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| author | Omar Ramirez Luna <omar.ramirez@ti.com> | 2010-06-23 16:12:23 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-06-23 15:39:08 -0700 |
| commit | 6280238c13e16a105fe658e1b6e68380cbc9f055 (patch) | |
| tree | 199b6ab9d09fc4a02fa19eb0b89681ad58967e51 /drivers/staging/tidspbridge | |
| parent | 26f8db7d2e20218272cbf889edfdb8328b4cd9c3 (diff) | |
| download | kernel_samsung_smdk4412-6280238c13e16a105fe658e1b6e68380cbc9f055.zip kernel_samsung_smdk4412-6280238c13e16a105fe658e1b6e68380cbc9f055.tar.gz kernel_samsung_smdk4412-6280238c13e16a105fe658e1b6e68380cbc9f055.tar.bz2 | |
staging: ti dspbridge: add header files
Add TI's DSP Bridge driver header files
Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>
Signed-off-by: Kanigeri, Hari <h-kanigeri2@ti.com>
Signed-off-by: Ameya Palande <ameya.palande@nokia.com>
Signed-off-by: Guzman Lugo, Fernando <fernando.lugo@ti.com>
Signed-off-by: Hebbar, Shivananda <x0hebbar@ti.com>
Signed-off-by: Ramos Falcon, Ernesto <ernesto@ti.com>
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Anna, Suman <s-anna@ti.com>
Signed-off-by: Gupta, Ramesh <grgupta@ti.com>
Signed-off-by: Gomez Castellanos, Ivan <ivan.gomez@ti.com>
Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Signed-off-by: Armando Uribe De Leon <x0095078@ti.com>
Signed-off-by: Deepak Chitriki <deepak.chitriki@ti.com>
Signed-off-by: Menon, Nishanth <nm@ti.com>
Signed-off-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/tidspbridge')
75 files changed, 12890 insertions, 0 deletions
diff --git a/drivers/staging/tidspbridge/include/dspbridge/_chnl_sm.h b/drivers/staging/tidspbridge/include/dspbridge/_chnl_sm.h new file mode 100644 index 0000000..cdca172 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/_chnl_sm.h @@ -0,0 +1,181 @@ +/* + * _chnl_sm.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Private header file defining channel manager and channel objects for + * a shared memory channel driver. + * + * Shared between the modules implementing the shared memory channel class + * library. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef _CHNL_SM_ +#define _CHNL_SM_ + +#include <dspbridge/dspapi.h> +#include <dspbridge/dspdefs.h> + +#include <dspbridge/list.h> +#include <dspbridge/ntfy.h> + +/* + * These target side symbols define the beginning and ending addresses + * of shared memory buffer. They are defined in the *cfg.cmd file by + * cdb code. + */ +#define CHNL_SHARED_BUFFER_BASE_SYM "_SHM_BEG" +#define CHNL_SHARED_BUFFER_LIMIT_SYM "_SHM_END" +#define BRIDGEINIT_BIOSGPTIMER "_BRIDGEINIT_BIOSGPTIMER" +#define BRIDGEINIT_LOADMON_GPTIMER "_BRIDGEINIT_LOADMON_GPTIMER" + +#ifndef _CHNL_WORDSIZE +#define _CHNL_WORDSIZE 4 /* default _CHNL_WORDSIZE is 2 bytes/word */ +#endif + +#define MAXOPPS 16 + +/* Shared memory config options */ +#define SHM_CURROPP 0 /* Set current OPP in shm */ +#define SHM_OPPINFO 1 /* Set dsp voltage and freq table values */ +#define SHM_GETOPP 2 /* Get opp requested by DSP */ + +struct opp_table_entry { + u32 voltage; + u32 frequency; + u32 min_freq; + u32 max_freq; +}; + +struct opp_struct { + u32 curr_opp_pt; + u32 num_opp_pts; + struct opp_table_entry opp_point[MAXOPPS]; +}; + +/* Request to MPU */ +struct opp_rqst_struct { + u32 rqst_dsp_freq; + u32 rqst_opp_pt; +}; + +/* Info to MPU */ +struct load_mon_struct { + u32 curr_dsp_load; + u32 curr_dsp_freq; + u32 pred_dsp_load; + u32 pred_dsp_freq; +}; + +/* Structure in shared between DSP and PC for communication. */ +struct shm { + u32 dsp_free_mask; /* Written by DSP, read by PC. */ + u32 host_free_mask; /* Written by PC, read by DSP */ + + u32 input_full; /* Input channel has unread data. */ + u32 input_id; /* Channel for which input is available. */ + u32 input_size; /* Size of data block (in DSP words). */ + + u32 output_full; /* Output channel has unread data. */ + u32 output_id; /* Channel for which output is available. */ + u32 output_size; /* Size of data block (in DSP words). */ + + u32 arg; /* Arg for Issue/Reclaim (23 bits for 55x). */ + u32 resvd; /* Keep structure size even for 32-bit DSPs */ + + /* Operating Point structure */ + struct opp_struct opp_table_struct; + /* Operating Point Request structure */ + struct opp_rqst_struct opp_request; + /* load monitor information structure */ + struct load_mon_struct load_mon_info; +#ifdef CONFIG_BRIDGE_WDT3 + /* Flag for WDT enable/disable F/I clocks */ + u32 wdt_setclocks; + u32 wdt_overflow; /* WDT overflow time */ + char dummy[176]; /* padding to 256 byte boundary */ +#else + char dummy[184]; /* padding to 256 byte boundary */ +#endif + u32 shm_dbg_var[64]; /* shared memory debug variables */ +}; + + /* Channel Manager: only one created per board: */ +struct chnl_mgr { + /* Function interface to Bridge driver */ + struct bridge_drv_interface *intf_fxns; + struct io_mgr *hio_mgr; /* IO manager */ + /* Device this board represents */ + struct dev_object *hdev_obj; + + /* These fields initialized in bridge_chnl_create(): */ + u32 dw_output_mask; /* Host output channels w/ full buffers */ + u32 dw_last_output; /* Last output channel fired from DPC */ + /* Critical section object handle */ + spinlock_t chnl_mgr_lock; + u32 word_size; /* Size in bytes of DSP word */ + u8 max_channels; /* Total number of channels */ + u8 open_channels; /* Total number of open channels */ + struct chnl_object **ap_channel; /* Array of channels */ + u8 dw_type; /* Type of channel class library */ + /* If no shm syms, return for CHNL_Open */ + int chnl_open_status; +}; + +/* + * Channel: up to CHNL_MAXCHANNELS per board or if DSP-DMA supported then + * up to CHNL_MAXCHANNELS + CHNL_MAXDDMACHNLS per board. + */ +struct chnl_object { + /* Pointer back to channel manager */ + struct chnl_mgr *chnl_mgr_obj; + u32 chnl_id; /* Channel id */ + u8 dw_state; /* Current channel state */ + s8 chnl_mode; /* Chnl mode and attributes */ + /* Chnl I/O completion event (user mode) */ + void *user_event; + /* Abstract syncronization object */ + struct sync_object *sync_event; + u32 process; /* Process which created this channel */ + u32 pcb_arg; /* Argument to use with callback */ + struct lst_list *pio_requests; /* List of IOR's to driver */ + s32 cio_cs; /* Number of IOC's in queue */ + s32 cio_reqs; /* Number of IORequests in queue */ + s32 chnl_packets; /* Initial number of free Irps */ + /* List of IOC's from driver */ + struct lst_list *pio_completions; + struct lst_list *free_packets_list; /* List of free Irps */ + struct ntfy_object *ntfy_obj; + u32 bytes_moved; /* Total number of bytes transfered */ + + /* For DSP-DMA */ + + /* Type of chnl transport:CHNL_[PCPY][DDMA] */ + u32 chnl_type; +}; + +/* I/O Request/completion packet: */ +struct chnl_irp { + struct list_head link; /* Link to next CHIRP in queue. */ + /* Buffer to be filled/emptied. (User) */ + u8 *host_user_buf; + /* Buffer to be filled/emptied. (System) */ + u8 *host_sys_buf; + u32 dw_arg; /* Issue/Reclaim argument. */ + u32 dsp_tx_addr; /* Transfer address on DSP side. */ + u32 byte_size; /* Bytes transferred. */ + u32 buf_size; /* Actual buffer size when allocated. */ + u32 status; /* Status of IO completion. */ +}; + +#endif /* _CHNL_SM_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/brddefs.h b/drivers/staging/tidspbridge/include/dspbridge/brddefs.h new file mode 100644 index 0000000..f80d9a5 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/brddefs.h @@ -0,0 +1,39 @@ +/* + * brddefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Global BRD constants and types, shared between DSP API and Bridge driver. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef BRDDEFS_ +#define BRDDEFS_ + +/* platform status values */ +#define BRD_STOPPED 0x0 /* No Monitor Loaded, Not running. */ +#define BRD_IDLE 0x1 /* Monitor Loaded, but suspended. */ +#define BRD_RUNNING 0x2 /* Monitor loaded, and executing. */ +#define BRD_UNKNOWN 0x3 /* Board state is indeterminate. */ +#define BRD_SYNCINIT 0x4 +#define BRD_LOADED 0x5 +#define BRD_LASTSTATE BRD_LOADED /* Set to highest legal board state. */ +#define BRD_SLEEP_TRANSITION 0x6 /* Sleep transition in progress */ +#define BRD_HIBERNATION 0x7 /* MPU initiated hibernation */ +#define BRD_RETENTION 0x8 /* Retention mode */ +#define BRD_DSP_HIBERNATION 0x9 /* DSP initiated hibernation */ +#define BRD_ERROR 0xA /* Board state is Error */ + +/* BRD Object */ +struct brd_object; + +#endif /* BRDDEFS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/cfg.h b/drivers/staging/tidspbridge/include/dspbridge/cfg.h new file mode 100644 index 0000000..a2580f0 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/cfg.h @@ -0,0 +1,222 @@ +/* + * cfg.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * PM Configuration module. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef CFG_ +#define CFG_ +#include <dspbridge/host_os.h> +#include <dspbridge/cfgdefs.h> + +/* + * ======== cfg_exit ======== + * Purpose: + * Discontinue usage of the CFG module. + * Parameters: + * Returns: + * Requires: + * cfg_init(void) was previously called. + * Ensures: + * Resources acquired in cfg_init(void) are freed. + */ +extern void cfg_exit(void); + +/* + * ======== cfg_get_auto_start ======== + * Purpose: + * Retreive the autostart mask, if any, for this board. + * Parameters: + * dev_node_obj: Handle to the dev_node who's driver we are querying. + * pdwAutoStart: Ptr to location for 32 bit autostart mask. + * Returns: + * 0: Success. + * -EFAULT: dev_node_obj is invalid. + * -ENODATA: Unable to retreive resource. + * Requires: + * CFG initialized. + * Ensures: + * 0: *pdwAutoStart contains autostart mask for this devnode. + */ +extern int cfg_get_auto_start(IN struct cfg_devnode *dev_node_obj, + OUT u32 *pdwAutoStart); + +/* + * ======== cfg_get_cd_version ======== + * Purpose: + * Retrieves the version of the PM Class Driver. + * Parameters: + * pdwVersion: Ptr to u32 to contain version number upon return. + * Returns: + * 0: Success. pdwVersion contains Class Driver version in + * the form: 0xAABBCCDD where AABB is Major version and + * CCDD is Minor. + * -EPERM: Failure. + * Requires: + * CFG initialized. + * Ensures: + * 0: Success. + * else: *pdwVersion is NULL. + */ +extern int cfg_get_cd_version(OUT u32 *pdwVersion); + +/* + * ======== cfg_get_dev_object ======== + * Purpose: + * Retrieve the Device Object handle for a given devnode. + * Parameters: + * dev_node_obj: Platform's dev_node handle from which to retrieve + * value. + * pdwValue: Ptr to location to store the value. + * Returns: + * 0: Success. + * -EFAULT: dev_node_obj is invalid or phDevObject is invalid. + * -ENODATA: The resource is not available. + * Requires: + * CFG initialized. + * Ensures: + * 0: *pdwValue is set to the retrieved u32. + * else: *pdwValue is set to 0L. + */ +extern int cfg_get_dev_object(IN struct cfg_devnode *dev_node_obj, + OUT u32 *pdwValue); + +/* + * ======== cfg_get_exec_file ======== + * Purpose: + * Retreive the default executable, if any, for this board. + * Parameters: + * dev_node_obj: Handle to the dev_node who's driver we are querying. + * buf_size: Size of buffer. + * pstrExecFile: Ptr to character buf to hold ExecFile. + * Returns: + * 0: Success. + * -EFAULT: dev_node_obj is invalid or pstrExecFile is invalid. + * -ENODATA: The resource is not available. + * Requires: + * CFG initialized. + * Ensures: + * 0: Not more than buf_size bytes were copied into pstrExecFile, + * and *pstrExecFile contains default executable for this + * devnode. + */ +extern int cfg_get_exec_file(IN struct cfg_devnode *dev_node_obj, + IN u32 buf_size, OUT char *pstrExecFile); + +/* + * ======== cfg_get_object ======== + * Purpose: + * Retrieve the Driver Object handle From the Registry + * Parameters: + * pdwValue: Ptr to location to store the value. + * dw_type Type of Object to Get + * Returns: + * 0: Success. + * Requires: + * CFG initialized. + * Ensures: + * 0: *pdwValue is set to the retrieved u32(non-Zero). + * else: *pdwValue is set to 0L. + */ +extern int cfg_get_object(OUT u32 *pdwValue, u8 dw_type); + +/* + * ======== cfg_get_perf_value ======== + * Purpose: + * Retrieve a flag indicating whether PERF should log statistics for the + * PM class driver. + * Parameters: + * pfEnablePerf: Location to store flag. 0 indicates the key was + * not found, or had a zero value. A nonzero value + * means the key was found and had a nonzero value. + * Returns: + * Requires: + * pfEnablePerf != NULL; + * Ensures: + */ +extern void cfg_get_perf_value(OUT bool *pfEnablePerf); + +/* + * ======== cfg_get_zl_file ======== + * Purpose: + * Retreive the ZLFile, if any, for this board. + * Parameters: + * dev_node_obj: Handle to the dev_node who's driver we are querying. + * buf_size: Size of buffer. + * pstrZLFileName: Ptr to character buf to hold ZLFileName. + * Returns: + * 0: Success. + * -EFAULT: pstrZLFileName is invalid or dev_node_obj is invalid. + * -ENODATA: couldn't find the ZLFileName. + * Requires: + * CFG initialized. + * Ensures: + * 0: Not more than buf_size bytes were copied into + * pstrZLFileName, and *pstrZLFileName contains ZLFileName + * for this devnode. + */ +extern int cfg_get_zl_file(IN struct cfg_devnode *dev_node_obj, + IN u32 buf_size, OUT char *pstrZLFileName); + +/* + * ======== cfg_init ======== + * Purpose: + * Initialize the CFG module's private state. + * Parameters: + * Returns: + * TRUE if initialized; FALSE if error occured. + * Requires: + * Ensures: + * A requirement for each of the other public CFG functions. + */ +extern bool cfg_init(void); + +/* + * ======== cfg_set_dev_object ======== + * Purpose: + * Store the Device Object handle for a given devnode. + * Parameters: + * dev_node_obj: Platform's dev_node handle we are storing value with. + * dwValue: Arbitrary value to store. + * Returns: + * 0: Success. + * -EFAULT: dev_node_obj is invalid. + * -EPERM: Internal Error. + * Requires: + * CFG initialized. + * Ensures: + * 0: The Private u32 was successfully set. + */ +extern int cfg_set_dev_object(IN struct cfg_devnode *dev_node_obj, + IN u32 dwValue); + +/* + * ======== CFG_SetDrvObject ======== + * Purpose: + * Store the Driver Object handle. + * Parameters: + * dwValue: Arbitrary value to store. + * dw_type Type of Object to Store + * Returns: + * 0: Success. + * -EPERM: Internal Error. + * Requires: + * CFG initialized. + * Ensures: + * 0: The Private u32 was successfully set. + */ +extern int cfg_set_object(IN u32 dwValue, u8 dw_type); + +#endif /* CFG_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h b/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h new file mode 100644 index 0000000..38122db --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h @@ -0,0 +1,81 @@ +/* + * cfgdefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Global CFG constants and types, shared between DSP API and Bridge driver. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef CFGDEFS_ +#define CFGDEFS_ + +/* Maximum length of module search path. */ +#define CFG_MAXSEARCHPATHLEN 255 + +/* Maximum length of general paths. */ +#define CFG_MAXPATH 255 + +/* Host Resources: */ +#define CFG_MAXMEMREGISTERS 9 +#define CFG_MAXIOPORTS 20 +#define CFG_MAXIRQS 7 +#define CFG_MAXDMACHANNELS 7 + +/* IRQ flag */ +#define CFG_IRQSHARED 0x01 /* IRQ can be shared */ + +/* DSP Resources: */ +#define CFG_DSPMAXMEMTYPES 10 +#define CFG_DEFAULT_NUM_WINDOWS 1 /* We support only one window. */ + +/* A platform-related device handle: */ +struct cfg_devnode; + +/* + * Host resource structure. + */ +struct cfg_hostres { + u32 num_mem_windows; /* Set to default */ + /* This is the base.memory */ + u32 dw_mem_base[CFG_MAXMEMREGISTERS]; /* shm virtual address */ + u32 dw_mem_length[CFG_MAXMEMREGISTERS]; /* Length of the Base */ + u32 dw_mem_phys[CFG_MAXMEMREGISTERS]; /* shm Physical address */ + u8 birq_registers; /* IRQ Number */ + u8 birq_attrib; /* IRQ Attribute */ + u32 dw_offset_for_monitor; /* The Shared memory starts from + * dw_mem_base + this offset */ + /* + * Info needed by NODE for allocating channels to communicate with RMS: + * dw_chnl_offset: Offset of RMS channels. Lower channels are + * reserved. + * dw_chnl_buf_size: Size of channel buffer to send to RMS + * dw_num_chnls: Total number of channels + * (including reserved). + */ + u32 dw_chnl_offset; + u32 dw_chnl_buf_size; + u32 dw_num_chnls; + void __iomem *dw_per_base; + u32 dw_per_pm_base; + u32 dw_core_pm_base; + void __iomem *dw_dmmu_base; + void __iomem *dw_sys_ctrl_base; +}; + +struct cfg_dspmemdesc { + u32 mem_type; /* Type of memory. */ + u32 ul_min; /* Minimum amount of memory of this type. */ + u32 ul_max; /* Maximum amount of memory of this type. */ +}; + +#endif /* CFGDEFS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/chnl.h b/drivers/staging/tidspbridge/include/dspbridge/chnl.h new file mode 100644 index 0000000..89315dc --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/chnl.h @@ -0,0 +1,130 @@ +/* + * chnl.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * DSP API channel interface: multiplexes data streams through the single + * physical link managed by a Bridge driver. + * + * See DSP API chnl.h for more details. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef CHNL_ +#define CHNL_ + +#include <dspbridge/chnlpriv.h> + +/* + * ======== chnl_close ======== + * Purpose: + * Ensures all pending I/O on this channel is cancelled, discards all + * queued I/O completion notifications, then frees the resources allocated + * for this channel, and makes the corresponding logical channel id + * available for subsequent use. + * Parameters: + * chnl_obj: Channel object handle. + * Returns: + * 0: Success; + * -EFAULT: Invalid chnl_obj. + * Requires: + * chnl_init(void) called. + * No thread must be blocked on this channel's I/O completion event. + * Ensures: + * 0: The I/O completion event for this channel is freed. + * chnl_obj is no longer valid. + */ +extern int chnl_close(struct chnl_object *chnl_obj); + +/* + * ======== chnl_create ======== + * Purpose: + * Create a channel manager object, responsible for opening new channels + * and closing old ones for a given board. + * Parameters: + * phChnlMgr: Location to store a channel manager object on output. + * hdev_obj: Handle to a device object. + * pMgrAttrs: Channel manager attributes. + * pMgrAttrs->max_channels: Max channels + * pMgrAttrs->birq: Channel's I/O IRQ number. + * pMgrAttrs->irq_shared: TRUE if the IRQ is shareable. + * pMgrAttrs->word_size: DSP Word size in equivalent PC bytes.. + * Returns: + * 0: Success; + * -EFAULT: hdev_obj is invalid. + * -EINVAL: max_channels is 0. + * Invalid DSP word size (must be > 0). + * Invalid base address for DSP communications. + * -ENOMEM: Insufficient memory for requested resources. + * -EIO: Unable to plug channel ISR for configured IRQ. + * -ECHRNG: This manager cannot handle this many channels. + * -EEXIST: Channel manager already exists for this device. + * Requires: + * chnl_init(void) called. + * phChnlMgr != NULL. + * pMgrAttrs != NULL. + * Ensures: + * 0: Subsequent calls to chnl_create() for the same + * board without an intervening call to + * chnl_destroy() will fail. + */ +extern int chnl_create(OUT struct chnl_mgr **phChnlMgr, + struct dev_object *hdev_obj, + IN CONST struct chnl_mgrattrs *pMgrAttrs); + +/* + * ======== chnl_destroy ======== + * Purpose: + * Close all open channels, and destroy the channel manager. + * Parameters: + * hchnl_mgr: Channel manager object. + * Returns: + * 0: Success. + * -EFAULT: hchnl_mgr was invalid. + * Requires: + * chnl_init(void) called. + * Ensures: + * 0: Cancels I/O on each open channel. + * Closes each open channel. + * chnl_create may subsequently be called for the + * same board. + */ +extern int chnl_destroy(struct chnl_mgr *hchnl_mgr); + +/* + * ======== chnl_exit ======== + * Purpose: + * Discontinue usage of the CHNL module. + * Parameters: + * Returns: + * Requires: + * chnl_init(void) previously called. + * Ensures: + * Resources, if any acquired in chnl_init(void), are freed when the last + * client of CHNL calls chnl_exit(void). + */ +extern void chnl_exit(void); + +/* + * ======== chnl_init ======== + * Purpose: + * Initialize the CHNL module's private state. + * Parameters: + * Returns: + * TRUE if initialized; FALSE if error occurred. + * Requires: + * Ensures: + * A requirement for each of the other public CHNL functions. + */ +extern bool chnl_init(void); + +#endif /* CHNL_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/chnldefs.h b/drivers/staging/tidspbridge/include/dspbridge/chnldefs.h new file mode 100644 index 0000000..0fe3824 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/chnldefs.h @@ -0,0 +1,67 @@ +/* + * chnldefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * System-wide channel objects and constants. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef CHNLDEFS_ +#define CHNLDEFS_ + +/* Channel id option. */ +#define CHNL_PICKFREE (~0UL) /* Let manager pick a free channel. */ + +/* Channel manager limits: */ +#define CHNL_INITIOREQS 4 /* Default # of I/O requests. */ + +/* Channel modes */ +#define CHNL_MODETODSP 0 /* Data streaming to the DSP. */ +#define CHNL_MODEFROMDSP 1 /* Data streaming from the DSP. */ + +/* GetIOCompletion flags */ +#define CHNL_IOCINFINITE 0xffffffff /* Wait forever for IO completion. */ +#define CHNL_IOCNOWAIT 0x0 /* Dequeue an IOC, if available. */ + +/* IO Completion Record status: */ +#define CHNL_IOCSTATCOMPLETE 0x0000 /* IO Completed. */ +#define CHNL_IOCSTATCANCEL 0x0002 /* IO was cancelled */ +#define CHNL_IOCSTATTIMEOUT 0x0008 /* Wait for IOC timed out. */ +#define CHNL_IOCSTATEOS 0x8000 /* End Of Stream reached. */ + +/* Macros for checking I/O Completion status: */ +#define CHNL_IS_EOS(ioc) (ioc.status & CHNL_IOCSTATEOS) +#define CHNL_IS_IO_COMPLETE(ioc) (!(ioc.status & ~CHNL_IOCSTATEOS)) +#define CHNL_IS_IO_CANCELLED(ioc) (ioc.status & CHNL_IOCSTATCANCEL) +#define CHNL_IS_TIMED_OUT(ioc) (ioc.status & CHNL_IOCSTATTIMEOUT) + +/* Channel attributes: */ +struct chnl_attr { + u32 uio_reqs; /* Max # of preallocated I/O requests. */ + void *event_obj; /* User supplied auto-reset event object. */ + char *pstr_event_name; /* Ptr to name of user event object. */ + void *reserved1; /* Reserved for future use. */ + u32 reserved2; /* Reserved for future use. */ + +}; + +/* I/O completion record: */ +struct chnl_ioc { + void *pbuf; /* Buffer to be filled/emptied. */ + u32 byte_size; /* Bytes transferred. */ + u32 buf_size; /* Actual buffer size in bytes */ + u32 status; /* Status of IO completion. */ + u32 dw_arg; /* User argument associated with pbuf. */ +}; + +#endif /* CHNLDEFS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/chnlpriv.h b/drivers/staging/tidspbridge/include/dspbridge/chnlpriv.h new file mode 100644 index 0000000..fce5ebd --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/chnlpriv.h @@ -0,0 +1,101 @@ +/* + * chnlpriv.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Private channel header shared between DSPSYS, DSPAPI and + * Bridge driver modules. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef CHNLPRIV_ +#define CHNLPRIV_ + +#include <dspbridge/chnldefs.h> +#include <dspbridge/devdefs.h> +#include <dspbridge/sync.h> + +/* Channel manager limits: */ +#define CHNL_MAXCHANNELS 32 /* Max channels available per transport */ + +/* + * Trans port channel Id definitions:(must match dsp-side). + * + * For CHNL_MAXCHANNELS = 16: + * + * ChnlIds: + * 0-15 (PCPY) - transport 0) + * 16-31 (DDMA) - transport 1) + * 32-47 (ZCPY) - transport 2) + */ +#define CHNL_PCPY 0 /* Proc-copy transport 0 */ + +#define CHNL_MAXIRQ 0xff /* Arbitrarily large number. */ + +/* The following modes are private: */ +#define CHNL_MODEUSEREVENT 0x1000 /* User provided the channel event. */ +#define CHNL_MODEMASK 0x1001 + +/* Higher level channel states: */ +#define CHNL_STATEREADY 0 /* Channel ready for I/O. */ +#define CHNL_STATECANCEL 1 /* I/O was cancelled. */ +#define CHNL_STATEEOS 2 /* End Of Stream reached. */ + +/* Determine if user supplied an event for this channel: */ +#define CHNL_IS_USER_EVENT(mode) (mode & CHNL_MODEUSEREVENT) + +/* Macros for checking mode: */ +#define CHNL_IS_INPUT(mode) (mode & CHNL_MODEFROMDSP) +#define CHNL_IS_OUTPUT(mode) (!CHNL_IS_INPUT(mode)) + +/* Types of channel class libraries: */ +#define CHNL_TYPESM 1 /* Shared memory driver. */ +#define CHNL_TYPEBM 2 /* Bus Mastering driver. */ + +/* Max string length of channel I/O completion event name - change if needed */ +#define CHNL_MAXEVTNAMELEN 32 + +/* Max memory pages lockable in CHNL_PrepareBuffer() - change if needed */ +#define CHNL_MAXLOCKPAGES 64 + +/* Channel info. */ +struct chnl_info { + struct chnl_mgr *hchnl_mgr; /* Owning channel manager. */ + u32 cnhl_id; /* Channel ID. */ + void *event_obj; /* Channel I/O completion event. */ + /*Abstraction of I/O completion event. */ + struct sync_object *sync_event; + s8 dw_mode; /* Channel mode. */ + u8 dw_state; /* Current channel state. */ + u32 bytes_tx; /* Total bytes transferred. */ + u32 cio_cs; /* Number of IOCs in queue. */ + u32 cio_reqs; /* Number of IO Requests in queue. */ + u32 process; /* Process owning this channel. */ +}; + +/* Channel manager info: */ +struct chnl_mgrinfo { + u8 dw_type; /* Type of channel class library. */ + /* Channel handle, given the channel id. */ + struct chnl_object *chnl_obj; + u8 open_channels; /* Number of open channels. */ + u8 max_channels; /* total # of chnls supported */ +}; + +/* Channel Manager Attrs: */ +struct chnl_mgrattrs { + /* Max number of channels this manager can use. */ + u8 max_channels; + u32 word_size; /* DSP Word size. */ +}; + +#endif /* CHNLPRIV_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/clk.h b/drivers/staging/tidspbridge/include/dspbridge/clk.h new file mode 100644 index 0000000..61474bc --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/clk.h @@ -0,0 +1,101 @@ +/* + * clk.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Provides Clock functions. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef _CLK_H +#define _CLK_H + +enum dsp_clk_id { + DSP_CLK_IVA2 = 0, + DSP_CLK_GPT5, + DSP_CLK_GPT6, + DSP_CLK_GPT7, + DSP_CLK_GPT8, + DSP_CLK_WDT3, + DSP_CLK_MCBSP1, + DSP_CLK_MCBSP2, + DSP_CLK_MCBSP3, + DSP_CLK_MCBSP4, + DSP_CLK_MCBSP5, + DSP_CLK_SSI, + DSP_CLK_NOT_DEFINED +}; + +/* + * ======== dsp_clk_exit ======== + * Purpose: + * Discontinue usage of module; free resources when reference count + * reaches 0. + * Parameters: + * Returns: + * Requires: + * CLK initialized. + * Ensures: + * Resources used by module are freed when cRef reaches zero. + */ +extern void dsp_clk_exit(void); + +/* + * ======== dsp_clk_init ======== + * Purpose: + * Initializes private state of CLK module. + * Parameters: + * Returns: + * TRUE if initialized; FALSE if error occured. + * Requires: + * Ensures: + * CLK initialized. + */ +extern void dsp_clk_init(void); + +void dsp_gpt_wait_overflow(short int clk_id, unsigned int load); + +/* + * ======== dsp_clk_enable ======== + * Purpose: + * Enables the clock requested. + * Parameters: + * Returns: + * 0: Success. + * -EPERM: Error occured while enabling the clock. + * Requires: + * Ensures: + */ +extern int dsp_clk_enable(IN enum dsp_clk_id clk_id); + +u32 dsp_clock_enable_all(u32 dsp_per_clocks); + +/* + * ======== dsp_clk_disable ======== + * Purpose: + * Disables the clock requested. + * Parameters: + * Returns: + * 0: Success. + * -EPERM: Error occured while disabling the clock. + * Requires: + * Ensures: + */ +extern int dsp_clk_disable(IN enum dsp_clk_id clk_id); + +extern u32 dsp_clk_get_iva2_rate(void); + +u32 dsp_clock_disable_all(u32 dsp_per_clocks); + +extern void ssi_clk_prepare(bool FLAG); + +#endif /* _SYNC_H */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/cmm.h b/drivers/staging/tidspbridge/include/dspbridge/cmm.h new file mode 100644 index 0000000..3cf93aa --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/cmm.h @@ -0,0 +1,386 @@ +/* + * cmm.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * The Communication Memory Management(CMM) module provides shared memory + * management services for DSP/BIOS Bridge data streaming and messaging. + * Multiple shared memory segments can be registered with CMM. Memory is + * coelesced back to the appropriate pool when a buffer is freed. + * + * The CMM_Xlator[xxx] functions are used for node messaging and data + * streaming address translation to perform zero-copy inter-processor + * data transfer(GPP<->DSP). A "translator" object is created for a node or + * stream object that contains per thread virtual address information. This + * translator info is used at runtime to perform SM address translation + * to/from the DSP address space. + * + * Notes: + * cmm_xlator_alloc_buf - Used by Node and Stream modules for SM address + * translation. + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef CMM_ +#define CMM_ + +#include <dspbridge/devdefs.h> + +#include <dspbridge/cmmdefs.h> +#include <dspbridge/host_os.h> + +/* + * ======== cmm_calloc_buf ======== + * Purpose: + * Allocate memory buffers that can be used for data streaming or + * messaging. + * Parameters: + * hcmm_mgr: Cmm Mgr handle. + * usize: Number of bytes to allocate. + * pattr: Attributes of memory to allocate. + * pp_buf_va: Address of where to place VA. + * Returns: + * Pointer to a zero'd block of SM memory; + * NULL if memory couldn't be allocated, + * or if byte_size == 0, + * Requires: + * Valid hcmm_mgr. + * CMM initialized. + * Ensures: + * The returned pointer, if not NULL, points to a valid memory block of + * the size requested. + * + */ +extern void *cmm_calloc_buf(struct cmm_object *hcmm_mgr, + u32 usize, struct cmm_attrs *pattrs, + OUT void **pp_buf_va); + +/* + * ======== cmm_create ======== + * Purpose: + * Create a communication memory manager object. + * Parameters: + * ph_cmm_mgr: Location to store a communication manager handle on + * output. + * hdev_obj: Handle to a device object. + * pMgrAttrs: Comm mem manager attributes. + * Returns: + * 0: Success; + * -ENOMEM: Insufficient memory for requested resources. + * -EPERM: Failed to initialize critical sect sync object. + * + * Requires: + * cmm_init(void) called. + * ph_cmm_mgr != NULL. + * pMgrAttrs->ul_min_block_size >= 4 bytes. + * Ensures: + * + */ +extern int cmm_create(OUT struct cmm_object **ph_cmm_mgr, + struct dev_object *hdev_obj, + IN CONST struct cmm_mgrattrs *pMgrAttrs); + +/* + * ======== cmm_destroy ======== + * Purpose: + * Destroy the communication memory manager object. + * Parameters: + * hcmm_mgr: Cmm Mgr handle. + * bForce: Force deallocation of all cmm memory immediately if set TRUE. + * If FALSE, and outstanding allocations will return -EPERM + * status. + * Returns: + * 0: CMM object & resources deleted. + * -EPERM: Unable to free CMM object due to outstanding allocation. + * -EFAULT: Unable to free CMM due to bad handle. + * Requires: + * CMM is initialized. + * hcmm_mgr != NULL. + * Ensures: + * Memory resources used by Cmm Mgr are freed. + */ +extern int cmm_destroy(struct cmm_object *hcmm_mgr, bool bForce); + +/* + * ======== cmm_exit ======== + * Purpose: + * Discontinue usage of module. Cleanup CMM module if CMM cRef reaches zero. + * Parameters: + * n/a + * Returns: + * n/a + * Requires: + * CMM is initialized. + * Ensures: + */ +extern void cmm_exit(void); + +/* + * ======== cmm_free_buf ======== + * Purpose: + * Free the given buffer. + * Parameters: + * hcmm_mgr: Cmm Mgr handle. + * pbuf: Pointer to memory allocated by cmm_calloc_buf(). + * ul_seg_id: SM segment Id used in CMM_Calloc() attrs. + * Set to 0 to use default segment. + * Returns: + * 0 + * -EPERM + * Requires: + * CMM initialized. + * buf_pa != NULL + * Ensures: + * + */ +extern int cmm_free_buf(struct cmm_object *hcmm_mgr, + void *buf_pa, u32 ul_seg_id); + +/* + * ======== cmm_get_handle ======== + * Purpose: + * Return the handle to the cmm mgr for the given device obj. + * Parameters: + * hprocessor: Handle to a Processor. + * ph_cmm_mgr: Location to store the shared memory mgr handle on + * output. + * + * Returns: + * 0: Cmm Mgr opaque handle returned. + * -EFAULT: Invalid handle. + * Requires: + * ph_cmm_mgr != NULL + * hdev_obj != NULL + * Ensures: + */ +extern int cmm_get_handle(void *hprocessor, + OUT struct cmm_object **ph_cmm_mgr); + +/* + * ======== cmm_get_info ======== + * Purpose: + * Return the current SM and VM utilization information. + * Parameters: + * hcmm_mgr: Handle to a Cmm Mgr. + * cmm_info_obj: Location to store the Cmm information on output. + * + * Returns: + * 0: Success. + * -EFAULT: Invalid handle. + * -EINVAL Invalid input argument. + * Requires: + * Ensures: + * + */ +extern int cmm_get_info(struct cmm_object *hcmm_mgr, + OUT struct cmm_info *cmm_info_obj); + +/* + * ======== cmm_init ======== + * Purpose: + * Initializes private state of CMM module. + * Parameters: + * Returns: + * TRUE if initialized; FALSE if error occured. + * Requires: + * Ensures: + * CMM initialized. + */ +extern bool cmm_init(void); + +/* + * ======== cmm_register_gppsm_seg ======== + * Purpose: + * Register a block of SM with the CMM. + * Parameters: + * hcmm_mgr: Handle to a Cmm Mgr. + * lpGPPBasePA: GPP Base Physical address. + * ul_size: Size in GPP bytes. + * dwDSPAddrOffset GPP PA to DSP PA Offset. + * c_factor: Add offset if CMM_ADDTODSPPA, sub if CMM_SUBFROMDSPPA. + * dw_dsp_base: DSP virtual base byte address. + * ul_dsp_size: Size of DSP segment in bytes. + * pulSegId: Address to store segment Id. + * + * Returns: + * 0: Success. + * -EFAULT: Invalid hcmm_mgr handle. + * -EINVAL: Invalid input argument. + * -EPERM: Unable to register. + * - On success *pulSegId is a valid SM segment ID. + * Requires: + * ul_size > 0 + * pulSegId != NULL + * dw_gpp_base_pa != 0 + * c_factor = CMM_ADDTODSPPA || c_factor = CMM_SUBFROMDSPPA + * Ensures: + * + */ +extern int cmm_register_gppsm_seg(struct cmm_object *hcmm_mgr, + unsigned int dw_gpp_base_pa, + u32 ul_size, + u32 dwDSPAddrOffset, + s8 c_factor, + unsigned int dw_dsp_base, + u32 ul_dsp_size, + u32 *pulSegId, u32 dwGPPBaseBA); + +/* + * ======== cmm_un_register_gppsm_seg ======== + * Purpose: + * Unregister the given memory segment that was previously registered + * by cmm_register_gppsm_seg. + * Parameters: + * hcmm_mgr: Handle to a Cmm Mgr. + * ul_seg_id Segment identifier returned by cmm_register_gppsm_seg. + * Returns: + * 0: Success. + * -EFAULT: Invalid handle. + * -EINVAL: Invalid ul_seg_id. + * -EPERM: Unable to unregister for unknown reason. + * Requires: + * Ensures: + * + */ +extern int cmm_un_register_gppsm_seg(struct cmm_object *hcmm_mgr, + u32 ul_seg_id); + +/* + * ======== cmm_xlator_alloc_buf ======== + * Purpose: + * Allocate the specified SM buffer and create a local memory descriptor. + * Place on the descriptor on the translator's HaQ (Host Alloc'd Queue). + * Parameters: + * xlator: Handle to a Xlator object. + * pVaBuf: Virtual address ptr(client context) + * uPaSize: Size of SM memory to allocate. + * Returns: + * Ptr to valid physical address(Pa) of uPaSize bytes, NULL if failed. + * Requires: + * pVaBuf != 0. + * uPaSize != 0. + * Ensures: + * + */ +extern void *cmm_xlator_alloc_buf(struct cmm_xlatorobject *xlator, + void *pVaBuf, u32 uPaSize); + +/* + * ======== cmm_xlator_create ======== + * Purpose: + * Create a translator(xlator) object used for process specific Va<->Pa + * address translation. Node messaging and streams use this to perform + * inter-processor(GPP<->DSP) zero-copy data transfer. + * Parameters: + * phXlator: Address to place handle to a new Xlator handle. + * hcmm_mgr: Handle to Cmm Mgr associated with this translator. + * pXlatorAttrs: Translator attributes used for the client NODE or STREAM. + * Returns: + * 0: Success. + * -EINVAL: Bad input Attrs. + * -ENOMEM: Insufficient memory(local) for requested resources. + * Requires: + * phXlator != NULL + * hcmm_mgr != NULL + * pXlatorAttrs != NULL + * Ensures: + * + */ +extern int cmm_xlator_create(OUT struct cmm_xlatorobject **phXlator, + struct cmm_object *hcmm_mgr, + struct cmm_xlatorattrs *pXlatorAttrs); + +/* + * ======== cmm_xlator_delete ======== + * Purpose: + * Delete translator resources + * Parameters: + * xlator: handle to translator. + * bForce: bForce = TRUE will free XLators SM buffers/dscriptrs. + * Returns: + * 0: Success. + * -EFAULT: Bad translator handle. + * -EPERM: Unable to free translator resources. + * Requires: + * refs > 0 + * Ensures: + * + */ +extern int cmm_xlator_delete(struct cmm_xlatorobject *xlator, + bool bForce); + +/* + * ======== cmm_xlator_free_buf ======== + * Purpose: + * Free SM buffer and descriptor. + * Does not free client process VM. + * Parameters: + * xlator: handle to translator. + * pBufVa Virtual address of PA to free. + * Returns: + * 0: Success. + * -EFAULT: Bad translator handle. + * Requires: + * Ensures: + * + */ +extern int cmm_xlator_free_buf(struct cmm_xlatorobject *xlator, + void *pBufVa); + +/* + * ======== cmm_xlator_info ======== + * Purpose: + * Set/Get process specific "translator" address info. + * This is used to perform fast virtaul address translation + * for shared memory buffers between the GPP and DSP. + * Parameters: + * xlator: handle to translator. + * paddr: Virtual base address of segment. + * ul_size: Size in bytes. + * uSegId: Segment identifier of SM segment(s) + * set_info Set xlator fields if TRUE, else return base addr + * Returns: + * 0: Success. + * -EFAULT: Bad translator handle. + * Requires: + * (refs > 0) + * (paddr != NULL) + * (ul_size > 0) + * Ensures: + * + */ +extern int cmm_xlator_info(struct cmm_xlatorobject *xlator, + IN OUT u8 **paddr, + u32 ul_size, u32 uSegId, bool set_info); + +/* + * ======== cmm_xlator_translate ======== + * Purpose: + * Perform address translation VA<->PA for the specified stream or + * message shared memory buffer. + * Parameters: + * xlator: handle to translator. + * paddr address of buffer to translate. + * xType Type of address xlation. CMM_PA2VA or CMM_VA2PA. + * Returns: + * Valid address on success, else NULL. + * Requires: + * refs > 0 + * paddr != NULL + * xType >= CMM_VA2PA) && (xType <= CMM_DSPPA2PA) + * Ensures: + * + */ +extern void *cmm_xlator_translate(struct cmm_xlatorobject *xlator, + void *paddr, enum cmm_xlatetype xType); + +#endif /* CMM_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/cmmdefs.h b/drivers/staging/tidspbridge/include/dspbridge/cmmdefs.h new file mode 100644 index 0000000..fbff372 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/cmmdefs.h @@ -0,0 +1,105 @@ +/* + * cmmdefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Global MEM constants and types. + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef CMMDEFS_ +#define CMMDEFS_ + +#include <dspbridge/list.h> + +/* Cmm attributes used in cmm_create() */ +struct cmm_mgrattrs { + /* Minimum SM allocation; default 32 bytes. */ + u32 ul_min_block_size; +}; + +/* Attributes for CMM_AllocBuf() & CMM_AllocDesc() */ +struct cmm_attrs { + u32 ul_seg_id; /* 1,2... are SM segments. 0 is not. */ + u32 ul_alignment; /* 0,1,2,4....ul_min_block_size */ +}; + +/* + * DSPPa to GPPPa Conversion Factor. + * + * For typical platforms: + * converted Address = PaDSP + ( c_factor * addressToConvert). + */ +#define CMM_SUBFROMDSPPA -1 +#define CMM_ADDTODSPPA 1 + +#define CMM_ALLSEGMENTS 0xFFFFFF /* All SegIds */ +#define CMM_MAXGPPSEGS 1 /* Maximum # of SM segs */ + +/* + * SMSEGs are SM segments the DSP allocates from. + * + * This info is used by the GPP to xlate DSP allocated PAs. + */ + +struct cmm_seginfo { + u32 dw_seg_base_pa; /* Start Phys address of SM segment */ + /* Total size in bytes of segment: DSP+GPP */ + u32 ul_total_seg_size; + u32 dw_gpp_base_pa; /* Start Phys addr of Gpp SM seg */ + u32 ul_gpp_size; /* Size of Gpp SM seg in bytes */ + u32 dw_dsp_base_va; /* DSP virt base byte address */ + u32 ul_dsp_size; /* DSP seg size in bytes */ + /* # of current GPP allocations from this segment */ + u32 ul_in_use_cnt; + u32 dw_seg_base_va; /* Start Virt address of SM seg */ + +}; + +/* CMM useful information */ +struct cmm_info { + /* # of SM segments registered with this Cmm. */ + u32 ul_num_gppsm_segs; + /* Total # of allocations outstanding for CMM */ + u32 ul_total_in_use_cnt; + /* Min SM block size allocation from cmm_create() */ + u32 ul_min_block_size; + /* Info per registered SM segment. */ + struct cmm_seginfo seg_info[CMM_MAXGPPSEGS]; +}; + +/* XlatorCreate attributes */ +struct cmm_xlatorattrs { + u32 ul_seg_id; /* segment Id used for SM allocations */ + u32 dw_dsp_bufs; /* # of DSP-side bufs */ + u32 dw_dsp_buf_size; /* size of DSP-side bufs in GPP bytes */ + /* Vm base address alloc'd in client process context */ + void *vm_base; + /* dw_vm_size must be >= (dwMaxNumBufs * dwMaxSize) */ + u32 dw_vm_size; +}; + +/* + * Cmm translation types. Use to map SM addresses to process context. + */ +enum cmm_xlatetype { + CMM_VA2PA = 0, /* Virtual to GPP physical address xlation */ + CMM_PA2VA = 1, /* GPP Physical to virtual */ + CMM_VA2DSPPA = 2, /* Va to DSP Pa */ + CMM_PA2DSPPA = 3, /* GPP Pa to DSP Pa */ + CMM_DSPPA2PA = 4, /* DSP Pa to GPP Pa */ +}; + +struct cmm_object; +struct cmm_xlatorobject; + +#endif /* CMMDEFS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/cod.h b/drivers/staging/tidspbridge/include/dspbridge/cod.h new file mode 100644 index 0000000..c8e6098 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/cod.h @@ -0,0 +1,369 @@ +/* + * cod.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Code management module for DSPs. This module provides an interface + * interface for loading both static and dynamic code objects onto DSP + * systems. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef COD_ +#define COD_ + +#include <dspbridge/dblldefs.h> + +#define COD_MAXPATHLENGTH 255 +#define COD_TRACEBEG "SYS_PUTCBEG" +#define COD_TRACEEND "SYS_PUTCEND" +#define COD_TRACECURPOS "BRIDGE_SYS_PUTC_current" +#define COD_TRACESECT "trace" +#define COD_TRACEBEGOLD "PUTCBEG" +#define COD_TRACEENDOLD "PUTCEND" + +#define COD_NOLOAD DBLL_NOLOAD +#define COD_SYMB DBLL_SYMB + +/* COD code manager handle */ +struct cod_manager; + +/* COD library handle */ +struct cod_libraryobj; + +/* COD attributes */ +struct cod_attrs { + u32 ul_reserved; +}; + +/* + * Function prototypes for writing memory to a DSP system, allocating + * and freeing DSP memory. + */ +typedef u32(*cod_writefxn) (void *priv_ref, u32 ulDspAddr, + void *pbuf, u32 ul_num_bytes, u32 nMemSpace); + +/* + * ======== cod_close ======== + * Purpose: + * Close a library opened with cod_open(). + * Parameters: + * lib - Library handle returned by cod_open(). + * Returns: + * None. + * Requires: + * COD module initialized. + * valid lib. + * Ensures: + * + */ +extern void cod_close(struct cod_libraryobj *lib); + +/* + * ======== cod_create ======== + * Purpose: + * Create an object to manage code on a DSP system. This object can be + * used to load an initial program image with arguments that can later + * be expanded with dynamically loaded object files. + * Symbol table information is managed by this object and can be retrieved + * using the cod_get_sym_value() function. + * Parameters: + * phManager: created manager object + * pstrZLFile: ZL DLL filename, of length < COD_MAXPATHLENGTH. + * attrs: attributes to be used by this object. A NULL value + * will cause default attrs to be used. + * Returns: + * 0: Success. + * -ESPIPE: ZL_Create failed. + * -ENOSYS: attrs was not NULL. We don't yet support + * non default values of attrs. + * Requires: + * COD module initialized. + * pstrZLFile != NULL + * Ensures: + */ +extern int cod_create(OUT struct cod_manager **phManager, + char *pstrZLFile, + IN OPTIONAL CONST struct cod_attrs *attrs); + +/* + * ======== cod_delete ======== + * Purpose: + * Delete a code manager object. + * Parameters: + * cod_mgr_obj: handle of manager to be deleted + * Returns: + * None. + * Requires: + * COD module initialized. + * valid cod_mgr_obj. + * Ensures: + */ +extern void cod_delete(struct cod_manager *cod_mgr_obj); + +/* + * ======== cod_exit ======== + * Purpose: + * Discontinue usage of the COD module. + * Parameters: + * None. + * Returns: + * None. + * Requires: + * COD initialized. + * Ensures: + * Resources acquired in cod_init(void) are freed. + */ +extern void cod_exit(void); + +/* + * ======== cod_get_base_lib ======== + * Purpose: + * Get handle to the base image DBL library. + * Parameters: + * cod_mgr_obj: handle of manager to be deleted + * plib: location to store library handle on output. + * Returns: + * 0: Success. + * Requires: + * COD module initialized. + * valid cod_mgr_obj. + * plib != NULL. + * Ensures: + */ +extern int cod_get_base_lib(struct cod_manager *cod_mgr_obj, + struct dbll_library_obj **plib); + +/* + * ======== cod_get_base_name ======== + * Purpose: + * Get the name of the base image DBL library. + * Parameters: + * cod_mgr_obj: handle of manager to be deleted + * pszName: location to store library name on output. + * usize: size of name buffer. + * Returns: + * 0: Success. + * -EPERM: Buffer too small. + * Requires: + * COD module initialized. + * valid cod_mgr_obj. + * pszName != NULL. + * Ensures: + */ +extern int cod_get_base_name(struct cod_manager *cod_mgr_obj, + char *pszName, u32 usize); + +/* + * ======== cod_get_entry ======== + * Purpose: + * Retrieve the entry point of a loaded DSP program image + * Parameters: + * cod_mgr_obj: handle of manager to be deleted + * pulEntry: pointer to location for entry point + * Returns: + * 0: Success. + * Requires: + * COD module initialized. + * valid cod_mgr_obj. + * pulEntry != NULL. + * Ensures: + */ +extern int cod_get_entry(struct cod_manager *cod_mgr_obj, + u32 *pulEntry); + +/* + * ======== cod_get_loader ======== + * Purpose: + * Get handle to the DBL loader. + * Parameters: + * cod_mgr_obj: handle of manager to be deleted + * phLoader: location to store loader handle on output. + * Returns: + * 0: Success. + * Requires: + * COD module initialized. + * valid cod_mgr_obj. + * phLoader != NULL. + * Ensures: + */ +extern int cod_get_loader(struct cod_manager *cod_mgr_obj, + struct dbll_tar_obj **phLoader); + +/* + * ======== cod_get_section ======== + * Purpose: + * Retrieve the starting address and length of a section in the COFF file + * given the section name. + * Parameters: + * lib Library handle returned from cod_open(). + * pstrSect: name of the section, with or without leading "." + * puAddr: Location to store address. + * puLen: Location to store length. + * Returns: + * 0: Success + * -ESPIPE: Symbols could not be found or have not been loaded onto + * the board. + * Requires: + * COD module initialized. + * valid cod_mgr_obj. + * pstrSect != NULL; + * puAddr != NULL; + * puLen != NULL; + * Ensures: + * 0: *puAddr and *puLen contain the address and length of the + * section. + * else: *puAddr == 0 and *puLen == 0; + * + */ +extern int cod_get_section(struct cod_libraryobj *lib, + IN char *pstrSect, + OUT u32 *puAddr, OUT u32 *puLen); + +/* + * ======== cod_get_sym_value ======== + * Purpose: + * Retrieve the value for the specified symbol. The symbol is first + * searched for literally and then, if not found, searched for as a + * C symbol. + * Parameters: + * lib: library handle returned from cod_open(). + * pstrSymbol: name of the symbol + * value: value of the symbol + * Returns: + * 0: Success. + * -ESPIPE: Symbols could not be found or have not been loaded onto + * the board. + * Requires: + * COD module initialized. + * Valid cod_mgr_obj. + * pstrSym != NULL. + * pul_value != NULL. + * Ensures: + */ +extern int cod_get_sym_value(struct cod_manager *cod_mgr_obj, + IN char *pstrSym, OUT u32 * pul_value); + +/* + * ======== cod_init ======== + * Purpose: + * Initialize the COD module's private state. + * Parameters: + * None. + * Returns: + * TRUE if initialized; FALSE if error occured. + * Requires: + * Ensures: + * A requirement for each of the other public COD functions. + */ +extern bool cod_init(void); + +/* + * ======== cod_load_base ======== + * Purpose: + * Load the initial program image, optionally with command-line arguments, + * on the DSP system managed by the supplied handle. The program to be + * loaded must be the first element of the args array and must be a fully + * qualified pathname. + * Parameters: + * hmgr: manager to load the code with + * nArgc: number of arguments in the args array + * args: array of strings for arguments to DSP program + * write_fxn: board-specific function to write data to DSP system + * pArb: arbitrary pointer to be passed as first arg to write_fxn + * envp: array of environment strings for DSP exec. + * Returns: + * 0: Success. + * -EBADF: Failed to open target code. + * Requires: + * COD module initialized. + * hmgr is valid. + * nArgc > 0. + * aArgs != NULL. + * aArgs[0] != NULL. + * pfn_write != NULL. + * Ensures: + */ +extern int cod_load_base(struct cod_manager *cod_mgr_obj, + u32 nArgc, char *aArgs[], + cod_writefxn pfn_write, void *pArb, + char *envp[]); + +/* + * ======== cod_open ======== + * Purpose: + * Open a library for reading sections. Does not load or set the base. + * Parameters: + * hmgr: manager to load the code with + * pszCoffPath: Coff file to open. + * flags: COD_NOLOAD (don't load symbols) or COD_SYMB (load + * symbols). + * pLib: Handle returned that can be used in calls to cod_close + * and cod_get_section. + * Returns: + * S_OK: Success. + * -EBADF: Failed to open target code. + * Requires: + * COD module initialized. + * hmgr is valid. + * flags == COD_NOLOAD || flags == COD_SYMB. + * pszCoffPath != NULL. + * Ensures: + */ +extern int cod_open(struct cod_manager *hmgr, + IN char *pszCoffPath, + u32 flags, OUT struct cod_libraryobj **pLib); + +/* + * ======== cod_open_base ======== + * Purpose: + * Open base image for reading sections. Does not load the base. + * Parameters: + * hmgr: manager to load the code with + * pszCoffPath: Coff file to open. + * flags: Specifies whether to load symbols. + * Returns: + * 0: Success. + * -EBADF: Failed to open target code. + * Requires: + * COD module initialized. + * hmgr is valid. + * pszCoffPath != NULL. + * Ensures: + */ +extern int cod_open_base(struct cod_manager *hmgr, IN char *pszCoffPath, + dbll_flags flags); + +/* + * ======== cod_read_section ======== + * Purpose: + * Retrieve the content of a code section given the section name. + * Parameters: + * cod_mgr_obj - manager in which to search for the symbol + * pstrSect - name of the section, with or without leading "." + * pstrContent - buffer to store content of the section. + * Returns: + * 0: on success, error code on failure + * -ESPIPE: Symbols have not been loaded onto the board. + * Requires: + * COD module initialized. + * valid cod_mgr_obj. + * pstrSect != NULL; + * pstrContent != NULL; + * Ensures: + * 0: *pstrContent stores the content of the named section. + */ +extern int cod_read_section(struct cod_libraryobj *lib, + IN char *pstrSect, + OUT char *pstrContent, IN u32 cContentSize); + +#endif /* COD_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dbc.h b/drivers/staging/tidspbridge/include/dspbridge/dbc.h new file mode 100644 index 0000000..76f049e --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dbc.h @@ -0,0 +1,46 @@ +/* + * dbc.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * "Design by Contract" programming macros. + * + * Notes: + * Requires that the GT->ERROR function has been defaulted to a valid + * error handler for the given execution environment. + * + * Does not require that GT_init() be called. + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DBC_ +#define DBC_ + +/* Assertion Macros: */ +#ifdef CONFIG_BRIDGE_DEBUG + +#define DBC_ASSERT(exp) \ + if (!(exp)) \ + pr_err("%s, line %d: Assertion (" #exp ") failed.\n", \ + __FILE__, __LINE__) +#define DBC_REQUIRE DBC_ASSERT /* Function Precondition. */ +#define DBC_ENSURE DBC_ASSERT /* Function Postcondition. */ + +#else + +#define DBC_ASSERT(exp) {} +#define DBC_REQUIRE(exp) {} +#define DBC_ENSURE(exp) {} + +#endif /* DEBUG */ + +#endif /* DBC_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dbdcd.h b/drivers/staging/tidspbridge/include/dspbridge/dbdcd.h new file mode 100644 index 0000000..df172bc --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dbdcd.h @@ -0,0 +1,358 @@ +/* + * dbdcd.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Defines the DSP/BIOS Bridge Configuration Database (DCD) API. + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DBDCD_ +#define DBDCD_ + +#include <dspbridge/dbdcddef.h> +#include <dspbridge/host_os.h> +#include <dspbridge/nldrdefs.h> + +/* + * ======== dcd_auto_register ======== + * Purpose: + * This function automatically registers DCD objects specified in a + * special COFF section called ".dcd_register" + * Parameters: + * hdcd_mgr: A DCD manager handle. + * pszCoffPath: Pointer to name of COFF file containing DCD + * objects to be registered. + * Returns: + * 0: Success. + * -EACCES: Unable to find auto-registration/read/load section. + * -EFAULT: Invalid DCD_HMANAGER handle.. + * Requires: + * DCD initialized. + * Ensures: + * Note: + * Due to the DCD database construction, it is essential for a DCD-enabled + * COFF file to contain the right COFF sections, especially + * ".dcd_register", which is used for auto registration. + */ +extern int dcd_auto_register(IN struct dcd_manager *hdcd_mgr, + IN char *pszCoffPath); + +/* + * ======== dcd_auto_unregister ======== + * Purpose: + * This function automatically unregisters DCD objects specified in a + * special COFF section called ".dcd_register" + * Parameters: + * hdcd_mgr: A DCD manager handle. + * pszCoffPath: Pointer to name of COFF file containing + * DCD objects to be unregistered. + * Returns: + * 0: Success. + * -EACCES: Unable to find auto-registration/read/load section. + * -EFAULT: Invalid DCD_HMANAGER handle.. + * Requires: + * DCD initialized. + * Ensures: + * Note: + * Due to the DCD database construction, it is essential for a DCD-enabled + * COFF file to contain the right COFF sections, especially + * ".dcd_register", which is used for auto unregistration. + */ +extern int dcd_auto_unregister(IN struct dcd_manager *hdcd_mgr, + IN char *pszCoffPath); + +/* + * ======== dcd_create_manager ======== + * Purpose: + * This function creates a DCD module manager. + * Parameters: + * pszZlDllName: Pointer to a DLL name string. + * phDcdMgr: A pointer to a DCD manager handle. + * Returns: + * 0: Success. + * -ENOMEM: Unable to allocate memory for DCD manager handle. + * -EPERM: General failure. + * Requires: + * DCD initialized. + * pszZlDllName is non-NULL. + * phDcdMgr is non-NULL. + * Ensures: + * A DCD manager handle is created. + */ +extern int dcd_create_manager(IN char *pszZlDllName, + OUT struct dcd_manager **phDcdMgr); + +/* + * ======== dcd_destroy_manager ======== + * Purpose: + * This function destroys a DCD module manager. + * Parameters: + * hdcd_mgr: A DCD manager handle. + * Returns: + * 0: Success. + * -EFAULT: Invalid DCD manager handle. + * Requires: + * DCD initialized. + * Ensures: + */ +extern int dcd_destroy_manager(IN struct dcd_manager *hdcd_mgr); + +/* + * ======== dcd_enumerate_object ======== + * Purpose: + * This function enumerates currently visible DSP/BIOS Bridge objects + * and returns the UUID and type of each enumerated object. + * Parameters: + * cIndex: The object enumeration index. + * obj_type: Type of object to enumerate. + * uuid_obj: Pointer to a dsp_uuid object. + * Returns: + * 0: Success. + * -EPERM: Unable to enumerate through the DCD database. + * ENODATA: Enumeration completed. This is not an error code. + * Requires: + * DCD initialized. + * uuid_obj is a valid pointer. + * Ensures: + * Details: + * This function can be used in conjunction with dcd_get_object_def to + * retrieve object properties. + */ +extern int dcd_enumerate_object(IN s32 cIndex, + IN enum dsp_dcdobjtype obj_type, + OUT struct dsp_uuid *uuid_obj); + +/* + * ======== dcd_exit ======== + * Purpose: + * This function cleans up the DCD module. + * Parameters: + * Returns: + * Requires: + * DCD initialized. + * Ensures: + */ +extern void dcd_exit(void); + +/* + * ======== dcd_get_dep_libs ======== + * Purpose: + * Given the uuid of a library and size of array of uuids, this function + * fills the array with the uuids of all dependent libraries of the input + * library. + * Parameters: + * hdcd_mgr: A DCD manager handle. + * uuid_obj: Pointer to a dsp_uuid for a library. + * numLibs: Size of uuid array (number of library uuids). + * pDepLibUuids: Array of dependent library uuids to be filled in. + * pPersistentDepLibs: Array indicating if corresponding lib is persistent. + * phase: phase to obtain correct input library + * Returns: + * 0: Success. + * -ENOMEM: Memory allocation failure. + * -EACCES: Failure to read section containing library info. + * -EPERM: General failure. + * Requires: + * DCD initialized. + * Valid hdcd_mgr. + * uuid_obj != NULL + * pDepLibUuids != NULL. + * Ensures: + */ +extern int dcd_get_dep_libs(IN struct dcd_manager *hdcd_mgr, + IN struct dsp_uuid *uuid_obj, + u16 numLibs, + OUT struct dsp_uuid *pDepLibUuids, + OUT bool *pPersistentDepLibs, + IN enum nldr_phase phase); + +/* + * ======== dcd_get_num_dep_libs ======== + * Purpose: + * Given the uuid of a library, determine its number of dependent + * libraries. + * Parameters: + * hdcd_mgr: A DCD manager handle. + * uuid_obj: Pointer to a dsp_uuid for a library. + * pNumLibs: Size of uuid array (number of library uuids). + * pNumPersLibs: number of persistent dependent library. + * phase: Phase to obtain correct input library + * Returns: + * 0: Success. + * -ENOMEM: Memory allocation failure. + * -EACCES: Failure to read section containing library info. + * -EPERM: General failure. + * Requires: + * DCD initialized. + * Valid hdcd_mgr. + * uuid_obj != NULL + * pNumLibs != NULL. + * Ensures: + */ +extern int dcd_get_num_dep_libs(IN struct dcd_manager *hdcd_mgr, + IN struct dsp_uuid *uuid_obj, + OUT u16 *pNumLibs, + OUT u16 *pNumPersLibs, + IN enum nldr_phase phase); + +/* + * ======== dcd_get_library_name ======== + * Purpose: + * This function returns the name of a (dynamic) library for a given + * UUID. + * Parameters: + * hdcd_mgr: A DCD manager handle. + * uuid_obj: Pointer to a dsp_uuid that represents a unique DSP/BIOS + * Bridge object. + * pstrLibName: Buffer to hold library name. + * pdwSize: Contains buffer size. Set to string size on output. + * phase: Which phase to load + * phase_split: Are phases in multiple libraries + * Returns: + * 0: Success. + * -EPERM: General failure. + * Requires: + * DCD initialized. + * Valid hdcd_mgr. + * pstrLibName != NULL. + * uuid_obj != NULL + * pdwSize != NULL. + * Ensures: + */ +extern int dcd_get_library_name(IN struct dcd_manager *hdcd_mgr, + IN struct dsp_uuid *uuid_obj, + IN OUT char *pstrLibName, + IN OUT u32 *pdwSize, + IN enum nldr_phase phase, + OUT bool *phase_split); + +/* + * ======== dcd_get_object_def ======== + * Purpose: + * This function returns the properties/attributes of a DSP/BIOS Bridge + * object. + * Parameters: + * hdcd_mgr: A DCD manager handle. + * uuid_obj: Pointer to a dsp_uuid that represents a unique + * DSP/BIOS Bridge object. + * obj_type: The type of DSP/BIOS Bridge object to be + * referenced (node, processor, etc). + * pObjDef: Pointer to an object definition structure. A + * union of various possible DCD object types. + * Returns: + * 0: Success. + * -EACCES: Unable to access/read/parse/load content of object code + * section. + * -EPERM: General failure. + * -EFAULT: Invalid DCD_HMANAGER handle. + * Requires: + * DCD initialized. + * pObjUuid is non-NULL. + * pObjDef is non-NULL. + * Ensures: + */ +extern int dcd_get_object_def(IN struct dcd_manager *hdcd_mgr, + IN struct dsp_uuid *pObjUuid, + IN enum dsp_dcdobjtype obj_type, + OUT struct dcd_genericobj *pObjDef); + +/* + * ======== dcd_get_objects ======== + * Purpose: + * This function finds all DCD objects specified in a special + * COFF section called ".dcd_register", and for each object, + * call a "register" function. The "register" function may perform + * various actions, such as 1) register nodes in the node database, 2) + * unregister nodes from the node database, and 3) add overlay nodes. + * Parameters: + * hdcd_mgr: A DCD manager handle. + * pszCoffPath: Pointer to name of COFF file containing DCD + * objects. + * registerFxn: Callback fxn to be applied on each located + * DCD object. + * handle: Handle to pass to callback. + * Returns: + * 0: Success. + * -EACCES: Unable to access/read/parse/load content of object code + * section. + * -EFAULT: Invalid DCD_HMANAGER handle.. + * Requires: + * DCD initialized. + * Ensures: + * Note: + * Due to the DCD database construction, it is essential for a DCD-enabled + * COFF file to contain the right COFF sections, especially + * ".dcd_register", which is used for auto registration. + */ +extern int dcd_get_objects(IN struct dcd_manager *hdcd_mgr, + IN char *pszCoffPath, + dcd_registerfxn registerFxn, void *handle); + +/* + * ======== dcd_init ======== + * Purpose: + * This function initializes DCD. + * Parameters: + * Returns: + * FALSE: Initialization failed. + * TRUE: Initialization succeeded. + * Requires: + * Ensures: + * DCD initialized. + */ +extern bool dcd_init(void); + +/* + * ======== dcd_register_object ======== + * Purpose: + * This function registers a DSP/BIOS Bridge object in the DCD database. + * Parameters: + * uuid_obj: Pointer to a dsp_uuid that identifies a DSP/BIOS + * Bridge object. + * obj_type: Type of object. + * psz_path_name: Path to the object's COFF file. + * Returns: + * 0: Success. + * -EPERM: Failed to register object. + * Requires: + * DCD initialized. + * uuid_obj and szPathName are non-NULL values. + * obj_type is a valid type value. + * Ensures: + */ +extern int dcd_register_object(IN struct dsp_uuid *uuid_obj, + IN enum dsp_dcdobjtype obj_type, + IN char *psz_path_name); + +/* + * ======== dcd_unregister_object ======== + * Purpose: + * This function de-registers a valid DSP/BIOS Bridge object from the DCD + * database. + * Parameters: + * uuid_obj: Pointer to a dsp_uuid that identifies a DSP/BIOS Bridge + * object. + * obj_type: Type of object. + * Returns: + * 0: Success. + * -EPERM: Unable to de-register the specified object. + * Requires: + * DCD initialized. + * uuid_obj is a non-NULL value. + * obj_type is a valid type value. + * Ensures: + */ +extern int dcd_unregister_object(IN struct dsp_uuid *uuid_obj, + IN enum dsp_dcdobjtype obj_type); + +#endif /* _DBDCD_H */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dbdcddef.h b/drivers/staging/tidspbridge/include/dspbridge/dbdcddef.h new file mode 100644 index 0000000..47afc82 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dbdcddef.h @@ -0,0 +1,78 @@ +/* + * dbdcddef.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * DCD (DSP/BIOS Bridge Configuration Database) constants and types. + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DBDCDDEF_ +#define DBDCDDEF_ + +#include <dspbridge/dbdefs.h> +#include <dspbridge/mgrpriv.h> /* for mgr_processorextinfo */ + +/* + * The following defines are critical elements for the DCD module: + * + * - DCD_REGKEY enables DCD functions to locate registered DCD objects. + * - DCD_REGISTER_SECTION identifies the COFF section where the UUID of + * registered DCD objects are stored. + */ +#define DCD_REGKEY "Software\\TexasInstruments\\DspBridge\\DCD" +#define DCD_REGISTER_SECTION ".dcd_register" + +#define DCD_MAXPATHLENGTH 255 + +/* DCD Manager Object */ +struct dcd_manager; + +struct dcd_key_elem { + struct list_head link; /* Make it linked to a list */ + char name[DCD_MAXPATHLENGTH]; /* Name of a given value entry */ + char *path; /* Pointer to the actual data */ +}; + +/* DCD Node Properties */ +struct dcd_nodeprops { + struct dsp_ndbprops ndb_props; + u32 msg_segid; + u32 msg_notify_type; + char *pstr_create_phase_fxn; + char *pstr_delete_phase_fxn; + char *pstr_execute_phase_fxn; + char *pstr_i_alg_name; + + /* Dynamic load properties */ + u16 us_load_type; /* Static, dynamic, overlay */ + u32 ul_data_mem_seg_mask; /* Data memory requirements */ + u32 ul_code_mem_seg_mask; /* Code memory requirements */ +}; + +/* DCD Generic Object Type */ +struct dcd_genericobj { + union dcdObjUnion { + struct dcd_nodeprops node_obj; /* node object. */ + /* processor object. */ + struct dsp_processorinfo proc_info; + /* extended proc object (private) */ + struct mgr_processorextinfo ext_proc_obj; + } obj_data; +}; + +/* DCD Internal Callback Type */ +typedef int(*dcd_registerfxn) (IN struct dsp_uuid *uuid_obj, + IN enum dsp_dcdobjtype obj_type, + IN void *handle); + +#endif /* DBDCDDEF_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dbdefs.h b/drivers/staging/tidspbridge/include/dspbridge/dbdefs.h new file mode 100644 index 0000000..aba8a86 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dbdefs.h @@ -0,0 +1,546 @@ +/* + * dbdefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Global definitions and constants for DSP/BIOS Bridge. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DBDEFS_ +#define DBDEFS_ + +#include <linux/types.h> + +#include <dspbridge/dbtype.h> /* GPP side type definitions */ +#include <dspbridge/std.h> /* DSP/BIOS type definitions */ +#include <dspbridge/rms_sh.h> /* Types shared between GPP and DSP */ + +#define PG_SIZE4K 4096 +#define PG_MASK(pg_size) (~((pg_size)-1)) +#define PG_ALIGN_LOW(addr, pg_size) ((addr) & PG_MASK(pg_size)) +#define PG_ALIGN_HIGH(addr, pg_size) (((addr)+(pg_size)-1) & PG_MASK(pg_size)) + +/* API return value and calling convention */ +#define DBAPI int + +/* Infinite time value for the utimeout parameter to DSPStream_Select() */ +#define DSP_FOREVER (-1) + +/* Maximum length of node name, used in dsp_ndbprops */ +#define DSP_MAXNAMELEN 32 + +/* notify_type values for the RegisterNotify() functions. */ +#define DSP_SIGNALEVENT 0x00000001 + +/* Types of events for processors */ +#define DSP_PROCESSORSTATECHANGE 0x00000001 +#define DSP_PROCESSORATTACH 0x00000002 +#define DSP_PROCESSORDETACH 0x00000004 +#define DSP_PROCESSORRESTART 0x00000008 + +/* DSP exception events (DSP/BIOS and DSP MMU fault) */ +#define DSP_MMUFAULT 0x00000010 +#define DSP_SYSERROR 0x00000020 +#define DSP_EXCEPTIONABORT 0x00000300 +#define DSP_PWRERROR 0x00000080 +#define DSP_WDTOVERFLOW 0x00000040 + +/* IVA exception events (IVA MMU fault) */ +#define IVA_MMUFAULT 0x00000040 +/* Types of events for nodes */ +#define DSP_NODESTATECHANGE 0x00000100 +#define DSP_NODEMESSAGEREADY 0x00000200 + +/* Types of events for streams */ +#define DSP_STREAMDONE 0x00001000 +#define DSP_STREAMIOCOMPLETION 0x00002000 + +/* Handle definition representing the GPP node in DSPNode_Connect() calls */ +#define DSP_HGPPNODE 0xFFFFFFFF + +/* Node directions used in DSPNode_Connect() */ +#define DSP_TONODE 1 +#define DSP_FROMNODE 2 + +/* Define Node Minimum and Maximum Priorities */ +#define DSP_NODE_MIN_PRIORITY 1 +#define DSP_NODE_MAX_PRIORITY 15 + +/* Pre-Defined Message Command Codes available to user: */ +#define DSP_RMSUSERCODESTART RMS_USER /* Start of RMS user cmd codes */ +/* end of user codes */ +#define DSP_RMSUSERCODEEND (RMS_USER + RMS_MAXUSERCODES); +/* msg_ctrl contains SM buffer description */ +#define DSP_RMSBUFDESC RMS_BUFDESC + +/* Shared memory identifier for MEM segment named "SHMSEG0" */ +#define DSP_SHMSEG0 (u32)(-1) + +/* Processor ID numbers */ +#define DSP_UNIT 0 +#define IVA_UNIT 1 + +#define DSPWORD unsigned char +#define DSPWORDSIZE sizeof(DSPWORD) + +/* Success & Failure macros */ +#define DSP_SUCCEEDED(Status) likely((s32)(Status) >= 0) +#define DSP_FAILED(Status) unlikely((s32)(Status) < 0) + +/* Power control enumerations */ +#define PROC_PWRCONTROL 0x8070 + +#define PROC_PWRMGT_ENABLE (PROC_PWRCONTROL + 0x3) +#define PROC_PWRMGT_DISABLE (PROC_PWRCONTROL + 0x4) + +/* Bridge Code Version */ +#define BRIDGE_VERSION_CODE 333 + +#define MAX_PROFILES 16 + +/* DSP chip type */ +#define DSPTYPE64 0x99 + +/* Handy Macros */ +#define IS_VALID_PROC_EVENT(x) (((x) == 0) || (((x) & \ + (DSP_PROCESSORSTATECHANGE | \ + DSP_PROCESSORATTACH | \ + DSP_PROCESSORDETACH | \ + DSP_PROCESSORRESTART | \ + DSP_NODESTATECHANGE | \ + DSP_STREAMDONE | \ + DSP_STREAMIOCOMPLETION | \ + DSP_MMUFAULT | \ + DSP_SYSERROR | \ + DSP_WDTOVERFLOW | \ + DSP_PWRERROR)) && \ + !((x) & ~(DSP_PROCESSORSTATECHANGE | \ + DSP_PROCESSORATTACH | \ + DSP_PROCESSORDETACH | \ + DSP_PROCESSORRESTART | \ + DSP_NODESTATECHANGE | \ + DSP_STREAMDONE | \ + DSP_STREAMIOCOMPLETION | \ + DSP_MMUFAULT | \ + DSP_SYSERROR | \ + DSP_WDTOVERFLOW | \ + DSP_PWRERROR)))) + +#define IS_VALID_NODE_EVENT(x) (((x) == 0) || \ + (((x) & (DSP_NODESTATECHANGE | DSP_NODEMESSAGEREADY)) && \ + !((x) & ~(DSP_NODESTATECHANGE | DSP_NODEMESSAGEREADY)))) + +#define IS_VALID_STRM_EVENT(x) (((x) == 0) || (((x) & (DSP_STREAMDONE | \ + DSP_STREAMIOCOMPLETION)) && \ + !((x) & ~(DSP_STREAMDONE | \ + DSP_STREAMIOCOMPLETION)))) + +#define IS_VALID_NOTIFY_MASK(x) ((x) & DSP_SIGNALEVENT) + +/* The Node UUID structure */ +struct dsp_uuid { + u32 ul_data1; + u16 us_data2; + u16 us_data3; + u8 uc_data4; + u8 uc_data5; + u8 uc_data6[6]; +}; + +/* DCD types */ +enum dsp_dcdobjtype { + DSP_DCDNODETYPE, + DSP_DCDPROCESSORTYPE, + DSP_DCDLIBRARYTYPE, + DSP_DCDCREATELIBTYPE, + DSP_DCDEXECUTELIBTYPE, + DSP_DCDDELETELIBTYPE, + /* DSP_DCDMAXOBJTYPE is meant to be the last DCD object type */ + DSP_DCDMAXOBJTYPE +}; + +/* Processor states */ +enum dsp_procstate { + PROC_STOPPED, + PROC_LOADED, + PROC_RUNNING, + PROC_ERROR +}; + +/* + * Node types: Message node, task node, xDAIS socket node, and + * device node. _NODE_GPP is used when defining a stream connection + * between a task or socket node and the GPP. + * + */ +enum node_type { + NODE_DEVICE, + NODE_TASK, + NODE_DAISSOCKET, + NODE_MESSAGE, + NODE_GPP +}; + +/* + * ======== node_state ======== + * Internal node states. + */ +enum node_state { + NODE_ALLOCATED, + NODE_CREATED, + NODE_RUNNING, + NODE_PAUSED, + NODE_DONE, + NODE_CREATING, + NODE_STARTING, + NODE_PAUSING, + NODE_TERMINATING, + NODE_DELETING, +}; + +/* Stream states */ +enum dsp_streamstate { + STREAM_IDLE, + STREAM_READY, + STREAM_PENDING, + STREAM_DONE +}; + +/* Stream connect types */ +enum dsp_connecttype { + CONNECTTYPE_NODEOUTPUT, + CONNECTTYPE_GPPOUTPUT, + CONNECTTYPE_NODEINPUT, + CONNECTTYPE_GPPINPUT +}; + +/* Stream mode types */ +enum dsp_strmmode { + STRMMODE_PROCCOPY, /* Processor(s) copy stream data payloads */ + STRMMODE_ZEROCOPY, /* Strm buffer ptrs swapped no data copied */ + STRMMODE_LDMA, /* Local DMA : OMAP's System-DMA device */ + STRMMODE_RDMA /* Remote DMA: OMAP's DSP-DMA device */ +}; + +/* Resource Types */ +enum dsp_resourceinfotype { + DSP_RESOURCE_DYNDARAM = 0, + DSP_RESOURCE_DYNSARAM, + DSP_RESOURCE_DYNEXTERNAL, + DSP_RESOURCE_DYNSRAM, + DSP_RESOURCE_PROCLOAD +}; + +/* Memory Segment Types */ +enum dsp_memtype { + DSP_DYNDARAM = 0, + DSP_DYNSARAM, + DSP_DYNEXTERNAL, + DSP_DYNSRAM +}; + +/* Memory Flush Types */ +enum dsp_flushtype { + PROC_INVALIDATE_MEM = 0, + PROC_WRITEBACK_MEM, + PROC_WRITEBACK_INVALIDATE_MEM, +}; + +/* Memory Segment Status Values */ +struct dsp_memstat { + u32 ul_size; + u32 ul_total_free_size; + u32 ul_len_max_free_block; + u32 ul_num_free_blocks; + u32 ul_num_alloc_blocks; +}; + +/* Processor Load information Values */ +struct dsp_procloadstat { + u32 curr_load; + u32 predicted_load; + u32 curr_dsp_freq; + u32 predicted_freq; +}; + +/* Attributes for STRM connections between nodes */ +struct dsp_strmattr { + u32 seg_id; /* Memory segment on DSP to allocate buffers */ + u32 buf_size; /* Buffer size (DSP words) */ + u32 num_bufs; /* Number of buffers */ + u32 buf_alignment; /* Buffer alignment */ + u32 utimeout; /* Timeout for blocking STRM calls */ + enum dsp_strmmode strm_mode; /* mode of stream when opened */ + /* DMA chnl id if dsp_strmmode is LDMA or RDMA */ + u32 udma_chnl_id; + u32 udma_priority; /* DMA channel priority 0=lowest, >0=high */ +}; + +/* The dsp_cbdata structure */ +struct dsp_cbdata { + u32 cb_data; + u8 node_data[1]; +}; + +/* The dsp_msg structure */ +struct dsp_msg { + u32 dw_cmd; + u32 dw_arg1; + u32 dw_arg2; +}; + +/* The dsp_resourcereqmts structure for node's resource requirements */ +struct dsp_resourcereqmts { + u32 cb_struct; + u32 static_data_size; + u32 global_data_size; + u32 program_mem_size; + u32 uwc_execution_time; + u32 uwc_period; + u32 uwc_deadline; + u32 avg_exection_time; + u32 minimum_period; +}; + +/* + * The dsp_streamconnect structure describes a stream connection + * between two nodes, or between a node and the GPP + */ +struct dsp_streamconnect { + u32 cb_struct; + enum dsp_connecttype connect_type; + u32 this_node_stream_index; + void *connected_node; + struct dsp_uuid ui_connected_node_id; + u32 connected_node_stream_index; +}; + +struct dsp_nodeprofs { + u32 ul_heap_size; +}; + +/* The dsp_ndbprops structure reports the attributes of a node */ +struct dsp_ndbprops { + u32 cb_struct; + struct dsp_uuid ui_node_id; + char ac_name[DSP_MAXNAMELEN]; + enum node_type ntype; + u32 cache_on_gpp; + struct dsp_resourcereqmts dsp_resource_reqmts; + s32 prio; + u32 stack_size; + u32 sys_stack_size; + u32 stack_seg; + u32 message_depth; + u32 num_input_streams; + u32 num_output_streams; + u32 utimeout; + u32 count_profiles; /* Number of supported profiles */ + /* Array of profiles */ + struct dsp_nodeprofs node_profiles[MAX_PROFILES]; + u32 stack_seg_name; /* Stack Segment Name */ +}; + + /* The dsp_nodeattrin structure describes the attributes of a + * node client */ +struct dsp_nodeattrin { + u32 cb_struct; + s32 prio; + u32 utimeout; + u32 profile_id; + /* Reserved, for Bridge Internal use only */ + u32 heap_size; + void *pgpp_virt_addr; /* Reserved, for Bridge Internal use only */ +}; + + /* The dsp_nodeinfo structure is used to retrieve information + * about a node */ +struct dsp_nodeinfo { + u32 cb_struct; + struct dsp_ndbprops nb_node_database_props; + u32 execution_priority; + enum node_state ns_execution_state; + void *device_owner; + u32 number_streams; + struct dsp_streamconnect sc_stream_connection[16]; + u32 node_env; +}; + + /* The dsp_nodeattr structure describes the attributes of a node */ +struct dsp_nodeattr { + u32 cb_struct; + struct dsp_nodeattrin in_node_attr_in; + u32 node_attr_inputs; + u32 node_attr_outputs; + struct dsp_nodeinfo node_info; +}; + +/* + * Notification type: either the name of an opened event, or an event or + * window handle. + */ +struct dsp_notification { + char *ps_name; + void *handle; +}; + +/* The dsp_processorattrin structure describes the attributes of a processor */ +struct dsp_processorattrin { + u32 cb_struct; + u32 utimeout; +}; +/* + * The dsp_processorinfo structure describes basic capabilities of a + * DSP processor + */ +struct dsp_processorinfo { + u32 cb_struct; + int processor_family; + int processor_type; + u32 clock_rate; + u32 ul_internal_mem_size; + u32 ul_external_mem_size; + u32 processor_id; + int ty_running_rtos; + s32 node_min_priority; + s32 node_max_priority; +}; + +/* Error information of last DSP exception signalled to the GPP */ +struct dsp_errorinfo { + u32 dw_err_mask; + u32 dw_val1; + u32 dw_val2; + u32 dw_val3; +}; + +/* The dsp_processorstate structure describes the state of a DSP processor */ +struct dsp_processorstate { + u32 cb_struct; + enum dsp_procstate proc_state; + struct dsp_errorinfo err_info; +}; + +/* + * The dsp_resourceinfo structure is used to retrieve information about a + * processor's resources + */ +struct dsp_resourceinfo { + u32 cb_struct; + enum dsp_resourceinfotype resource_type; + union { + u32 ul_resource; + struct dsp_memstat mem_stat; + struct dsp_procloadstat proc_load_stat; + } result; +}; + +/* + * The dsp_streamattrin structure describes the attributes of a stream, + * including segment and alignment of data buffers allocated with + * DSPStream_AllocateBuffers(), if applicable + */ +struct dsp_streamattrin { + u32 cb_struct; + u32 utimeout; + u32 segment_id; + u32 buf_alignment; + u32 num_bufs; + enum dsp_strmmode strm_mode; + u32 udma_chnl_id; + u32 udma_priority; +}; + +/* The dsp_bufferattr structure describes the attributes of a data buffer */ +struct dsp_bufferattr { + u32 cb_struct; + u32 segment_id; + u32 buf_alignment; +}; + +/* + * The dsp_streaminfo structure is used to retrieve information + * about a stream. + */ +struct dsp_streaminfo { + u32 cb_struct; + u32 number_bufs_allowed; + u32 number_bufs_in_stream; + u32 ul_number_bytes; + void *sync_object_handle; + enum dsp_streamstate ss_stream_state; +}; + +/* DMM MAP attributes +It is a bit mask with each bit value indicating a specific attribute +bit 0 - GPP address type (user virtual=0, physical=1) +bit 1 - MMU Endianism (Big Endian=1, Little Endian=0) +bit 2 - MMU mixed page attribute (Mixed/ CPUES=1, TLBES =0) +bit 3 - MMU element size = 8bit (valid only for non mixed page entries) +bit 4 - MMU element size = 16bit (valid only for non mixed page entries) +bit 5 - MMU element size = 32bit (valid only for non mixed page entries) +bit 6 - MMU element size = 64bit (valid only for non mixed page entries) + +bit 14 - Input (read only) buffer +bit 15 - Output (writeable) buffer +*/ + +/* Types of mapping attributes */ + +/* MPU address is virtual and needs to be translated to physical addr */ +#define DSP_MAPVIRTUALADDR 0x00000000 +#define DSP_MAPPHYSICALADDR 0x00000001 + +/* Mapped data is big endian */ +#define DSP_MAPBIGENDIAN 0x00000002 +#define DSP_MAPLITTLEENDIAN 0x00000000 + +/* Element size is based on DSP r/w access size */ +#define DSP_MAPMIXEDELEMSIZE 0x00000004 + +/* + * Element size for MMU mapping (8, 16, 32, or 64 bit) + * Ignored if DSP_MAPMIXEDELEMSIZE enabled + */ +#define DSP_MAPELEMSIZE8 0x00000008 +#define DSP_MAPELEMSIZE16 0x00000010 +#define DSP_MAPELEMSIZE32 0x00000020 +#define DSP_MAPELEMSIZE64 0x00000040 + +#define DSP_MAPVMALLOCADDR 0x00000080 + +#define DSP_MAPDONOTLOCK 0x00000100 + +#define DSP_MAP_DIR_MASK 0x3FFF + +#define GEM_CACHE_LINE_SIZE 128 +#define GEM_L1P_PREFETCH_SIZE 128 + +/* + * Definitions from dbreg.h + */ + +#define DSPPROCTYPE_C64 6410 +#define IVAPROCTYPE_ARM7 470 + +#define REG_MGR_OBJECT 1 +#define REG_DRV_OBJECT 2 + +/* registry */ +#define DRVOBJECT "DrvObject" +#define MGROBJECT "MgrObject" + +/* Max registry path length. Also the max registry value length. */ +#define MAXREGPATHLENGTH 255 + +#endif /* DBDEFS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dbldefs.h b/drivers/staging/tidspbridge/include/dspbridge/dbldefs.h new file mode 100644 index 0000000..a47e7b8 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dbldefs.h @@ -0,0 +1,140 @@ +/* + * dbldefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DBLDEFS_ +#define DBLDEFS_ + +/* + * Bit masks for dbl_flags. + */ +#define DBL_NOLOAD 0x0 /* Don't load symbols, code, or data */ +#define DBL_SYMB 0x1 /* load symbols */ +#define DBL_CODE 0x2 /* load code */ +#define DBL_DATA 0x4 /* load data */ +#define DBL_DYNAMIC 0x8 /* dynamic load */ +#define DBL_BSS 0x20 /* Unitialized section */ + +#define DBL_MAXPATHLENGTH 255 + +/* + * ======== dbl_flags ======== + * Specifies whether to load code, data, or symbols + */ +typedef s32 dbl_flags; + +/* + * ======== dbl_sect_info ======== + * For collecting info on overlay sections + */ +struct dbl_sect_info { + const char *name; /* name of section */ + u32 sect_run_addr; /* run address of section */ + u32 sect_load_addr; /* load address of section */ + u32 size; /* size of section (target MAUs) */ + dbl_flags type; /* Code, data, or BSS */ +}; + +/* + * ======== dbl_symbol ======== + * (Needed for dynamic load library) + */ +struct dbl_symbol { + u32 value; +}; + +/* + * ======== dbl_alloc_fxn ======== + * Allocate memory function. Allocate or reserve (if reserved == TRUE) + * "size" bytes of memory from segment "space" and return the address in + * *dspAddr (or starting at *dspAddr if reserve == TRUE). Returns 0 on + * success, or an error code on failure. + */ +typedef s32(*dbl_alloc_fxn) (void *hdl, s32 space, u32 size, u32 align, + u32 *dspAddr, s32 seg_id, s32 req, bool reserved); + +/* + * ======== dbl_free_fxn ======== + * Free memory function. Free, or unreserve (if reserved == TRUE) "size" + * bytes of memory from segment "space" + */ +typedef bool(*dbl_free_fxn) (void *hdl, u32 addr, s32 space, u32 size, + bool reserved); + +/* + * ======== dbl_log_write_fxn ======== + * Function to call when writing data from a section, to log the info. + * Can be NULL if no logging is required. + */ +typedef int(*dbl_log_write_fxn) (void *handle, + struct dbl_sect_info *sect, u32 addr, + u32 bytes); + +/* + * ======== dbl_sym_lookup ======== + * Symbol lookup function - Find the symbol name and return its value. + * + * Parameters: + * handle - Opaque handle + * parg - Opaque argument. + * name - Name of symbol to lookup. + * sym - Location to store address of symbol structure. + * + * Returns: + * TRUE: Success (symbol was found). + * FALSE: Failed to find symbol. + */ +typedef bool(*dbl_sym_lookup) (void *handle, void *parg, void *rmm_handle, + const char *name, struct dbl_symbol ** sym); + +/* + * ======== dbl_write_fxn ======== + * Write memory function. Write "n" HOST bytes of memory to segment "mtype" + * starting at address "dspAddr" from the buffer "buf". The buffer is + * formatted as an array of words appropriate for the DSP. + */ +typedef s32(*dbl_write_fxn) (void *hdl, u32 dspAddr, void *buf, + u32 n, s32 mtype); + +/* + * ======== dbl_attrs ======== + */ +struct dbl_attrs { + dbl_alloc_fxn alloc; + dbl_free_fxn free; + void *rmm_handle; /* Handle to pass to alloc, free functions */ + dbl_write_fxn write; + void *input_params; /* Handle to pass to write, cinit function */ + + dbl_log_write_fxn log_write; + void *log_write_handle; + + /* Symbol matching function and handle to pass to it */ + dbl_sym_lookup sym_lookup; + void *sym_handle; + void *sym_arg; + + /* + * These file manipulation functions should be compatible with the + * "C" run time library functions of the same name. + */ + s32(*fread) (void *, size_t, size_t, void *); + s32(*fseek) (void *, long, int); + s32(*ftell) (void *); + s32(*fclose) (void *); + void *(*fopen) (const char *, const char *); +}; + +#endif /* DBLDEFS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dbll.h b/drivers/staging/tidspbridge/include/dspbridge/dbll.h new file mode 100644 index 0000000..54c6219 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dbll.h @@ -0,0 +1,59 @@ +/* + * dbll.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * DSP/BIOS Bridge Dynamic load library module interface. Function header + * comments are in the file dblldefs.h. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DBLL_ +#define DBLL_ + +#include <dspbridge/dbdefs.h> +#include <dspbridge/dblldefs.h> + +extern bool symbols_reloaded; + +extern void dbll_close(struct dbll_library_obj *lib); +extern int dbll_create(struct dbll_tar_obj **target_obj, + struct dbll_attrs *pattrs); +extern void dbll_delete(struct dbll_tar_obj *target); +extern void dbll_exit(void); +extern bool dbll_get_addr(struct dbll_library_obj *lib, char *name, + struct dbll_sym_val **ppSym); +extern void dbll_get_attrs(struct dbll_tar_obj *target, + struct dbll_attrs *pattrs); +extern bool dbll_get_c_addr(struct dbll_library_obj *lib, char *name, + struct dbll_sym_val **ppSym); +extern int dbll_get_sect(struct dbll_library_obj *lib, char *name, + u32 *paddr, u32 *psize); +extern bool dbll_init(void); +extern int dbll_load(struct dbll_library_obj *lib, + dbll_flags flags, + struct dbll_attrs *attrs, u32 * pEntry); +extern int dbll_load_sect(struct dbll_library_obj *lib, + char *sectName, struct dbll_attrs *attrs); +extern int dbll_open(struct dbll_tar_obj *target, char *file, + dbll_flags flags, struct dbll_library_obj **pLib); +extern int dbll_read_sect(struct dbll_library_obj *lib, + char *name, char *pbuf, u32 size); +extern void dbll_set_attrs(struct dbll_tar_obj *target, + struct dbll_attrs *pattrs); +extern void dbll_unload(struct dbll_library_obj *lib, struct dbll_attrs *attrs); +extern int dbll_unload_sect(struct dbll_library_obj *lib, + char *sectName, struct dbll_attrs *attrs); +bool dbll_find_dsp_symbol(struct dbll_library_obj *zl_lib, u32 address, + u32 offset_range, u32 *sym_addr_output, char *name_output); + +#endif /* DBLL_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dblldefs.h b/drivers/staging/tidspbridge/include/dspbridge/dblldefs.h new file mode 100644 index 0000000..f587106 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dblldefs.h @@ -0,0 +1,496 @@ +/* + * dblldefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DBLLDEFS_ +#define DBLLDEFS_ + +/* + * Bit masks for dbl_flags. + */ +#define DBLL_NOLOAD 0x0 /* Don't load symbols, code, or data */ +#define DBLL_SYMB 0x1 /* load symbols */ +#define DBLL_CODE 0x2 /* load code */ +#define DBLL_DATA 0x4 /* load data */ +#define DBLL_DYNAMIC 0x8 /* dynamic load */ +#define DBLL_BSS 0x20 /* Unitialized section */ + +#define DBLL_MAXPATHLENGTH 255 + +/* + * ======== DBLL_Target ======== + * + */ +struct dbll_tar_obj; + +/* + * ======== dbll_flags ======== + * Specifies whether to load code, data, or symbols + */ +typedef s32 dbll_flags; + +/* + * ======== DBLL_Library ======== + * + */ +struct dbll_library_obj; + +/* + * ======== dbll_sect_info ======== + * For collecting info on overlay sections + */ +struct dbll_sect_info { + const char *name; /* name of section */ + u32 sect_run_addr; /* run address of section */ + u32 sect_load_addr; /* load address of section */ + u32 size; /* size of section (target MAUs) */ + dbll_flags type; /* Code, data, or BSS */ +}; + +/* + * ======== dbll_sym_val ======== + * (Needed for dynamic load library) + */ +struct dbll_sym_val { + u32 value; +}; + +/* + * ======== dbll_alloc_fxn ======== + * Allocate memory function. Allocate or reserve (if reserved == TRUE) + * "size" bytes of memory from segment "space" and return the address in + * *dspAddr (or starting at *dspAddr if reserve == TRUE). Returns 0 on + * success, or an error code on failure. + */ +typedef s32(*dbll_alloc_fxn) (void *hdl, s32 space, u32 size, u32 align, + u32 *dspAddr, s32 seg_id, s32 req, + bool reserved); + +/* + * ======== dbll_close_fxn ======== + */ +typedef s32(*dbll_f_close_fxn) (void *); + +/* + * ======== dbll_free_fxn ======== + * Free memory function. Free, or unreserve (if reserved == TRUE) "size" + * bytes of memory from segment "space" + */ +typedef bool(*dbll_free_fxn) (void *hdl, u32 addr, s32 space, u32 size, + bool reserved); + +/* + * ======== dbll_f_open_fxn ======== + */ +typedef void *(*dbll_f_open_fxn) (const char *, const char *); + +/* + * ======== dbll_log_write_fxn ======== + * Function to call when writing data from a section, to log the info. + * Can be NULL if no logging is required. + */ +typedef int(*dbll_log_write_fxn) (void *handle, + struct dbll_sect_info *sect, u32 addr, + u32 bytes); + +/* + * ======== dbll_read_fxn ======== + */ +typedef s32(*dbll_read_fxn) (void *, size_t, size_t, void *); + +/* + * ======== dbll_seek_fxn ======== + */ +typedef s32(*dbll_seek_fxn) (void *, long, int); + +/* + * ======== dbll_sym_lookup ======== + * Symbol lookup function - Find the symbol name and return its value. + * + * Parameters: + * handle - Opaque handle + * parg - Opaque argument. + * name - Name of symbol to lookup. + * sym - Location to store address of symbol structure. + * + * Returns: + * TRUE: Success (symbol was found). + * FALSE: Failed to find symbol. + */ +typedef bool(*dbll_sym_lookup) (void *handle, void *parg, void *rmm_handle, + const char *name, struct dbll_sym_val ** sym); + +/* + * ======== dbll_tell_fxn ======== + */ +typedef s32(*dbll_tell_fxn) (void *); + +/* + * ======== dbll_write_fxn ======== + * Write memory function. Write "n" HOST bytes of memory to segment "mtype" + * starting at address "dspAddr" from the buffer "buf". The buffer is + * formatted as an array of words appropriate for the DSP. + */ +typedef s32(*dbll_write_fxn) (void *hdl, u32 dspAddr, void *buf, + u32 n, s32 mtype); + +/* + * ======== dbll_attrs ======== + */ +struct dbll_attrs { + dbll_alloc_fxn alloc; + dbll_free_fxn free; + void *rmm_handle; /* Handle to pass to alloc, free functions */ + dbll_write_fxn write; + void *input_params; /* Handle to pass to write, cinit function */ + bool base_image; + dbll_log_write_fxn log_write; + void *log_write_handle; + + /* Symbol matching function and handle to pass to it */ + dbll_sym_lookup sym_lookup; + void *sym_handle; + void *sym_arg; + + /* + * These file manipulation functions should be compatible with the + * "C" run time library functions of the same name. + */ + s32(*fread) (void *, size_t, size_t, void *); + s32(*fseek) (void *, long, int); + s32(*ftell) (void *); + s32(*fclose) (void *); + void *(*fopen) (const char *, const char *); +}; + +/* + * ======== dbll_close ======== + * Close library opened with dbll_open. + * Parameters: + * lib - Handle returned from dbll_open(). + * Returns: + * Requires: + * DBL initialized. + * Valid lib. + * Ensures: + */ +typedef void (*dbll_close_fxn) (struct dbll_library_obj *library); + +/* + * ======== dbll_create ======== + * Create a target object, specifying the alloc, free, and write functions. + * Parameters: + * target_obj - Location to store target handle on output. + * pattrs - Attributes. + * Returns: + * 0: Success. + * -ENOMEM: Memory allocation failed. + * Requires: + * DBL initialized. + * pattrs != NULL. + * target_obj != NULL; + * Ensures: + * Success: *target_obj != NULL. + * Failure: *target_obj == NULL. + */ +typedef int(*dbll_create_fxn) (struct dbll_tar_obj **target_obj, + struct dbll_attrs *attrs); + +/* + * ======== dbll_delete ======== + * Delete target object and free resources for any loaded libraries. + * Parameters: + * target - Handle returned from DBLL_Create(). + * Returns: + * Requires: + * DBL initialized. + * Valid target. + * Ensures: + */ +typedef void (*dbll_delete_fxn) (struct dbll_tar_obj *target); + +/* + * ======== dbll_exit ======== + * Discontinue use of DBL module. + * Parameters: + * Returns: + * Requires: + * refs > 0. + * Ensures: + * refs >= 0. + */ +typedef void (*dbll_exit_fxn) (void); + +/* + * ======== dbll_get_addr ======== + * Get address of name in the specified library. + * Parameters: + * lib - Handle returned from dbll_open(). + * name - Name of symbol + * ppSym - Location to store symbol address on output. + * Returns: + * TRUE: Success. + * FALSE: Symbol not found. + * Requires: + * DBL initialized. + * Valid library. + * name != NULL. + * ppSym != NULL. + * Ensures: + */ +typedef bool(*dbll_get_addr_fxn) (struct dbll_library_obj *lib, char *name, + struct dbll_sym_val **ppSym); + +/* + * ======== dbll_get_attrs ======== + * Retrieve the attributes of the target. + * Parameters: + * target - Handle returned from DBLL_Create(). + * pattrs - Location to store attributes on output. + * Returns: + * Requires: + * DBL initialized. + * Valid target. + * pattrs != NULL. + * Ensures: + */ +typedef void (*dbll_get_attrs_fxn) (struct dbll_tar_obj *target, + struct dbll_attrs *attrs); + +/* + * ======== dbll_get_c_addr ======== + * Get address of "C" name on the specified library. + * Parameters: + * lib - Handle returned from dbll_open(). + * name - Name of symbol + * ppSym - Location to store symbol address on output. + * Returns: + * TRUE: Success. + * FALSE: Symbol not found. + * Requires: + * DBL initialized. + * Valid target. + * name != NULL. + * ppSym != NULL. + * Ensures: + */ +typedef bool(*dbll_get_c_addr_fxn) (struct dbll_library_obj *lib, char *name, + struct dbll_sym_val **ppSym); + +/* + * ======== dbll_get_sect ======== + * Get address and size of a named section. + * Parameters: + * lib - Library handle returned from dbll_open(). + * name - Name of section. + * paddr - Location to store section address on output. + * psize - Location to store section size on output. + * Returns: + * 0: Success. + * -ENXIO: Section not found. + * Requires: + * DBL initialized. + * Valid lib. + * name != NULL. + * paddr != NULL; + * psize != NULL. + * Ensures: + */ +typedef int(*dbll_get_sect_fxn) (struct dbll_library_obj *lib, + char *name, u32 * addr, u32 * size); + +/* + * ======== dbll_init ======== + * Initialize DBL module. + * Parameters: + * Returns: + * TRUE: Success. + * FALSE: Failure. + * Requires: + * refs >= 0. + * Ensures: + * Success: refs > 0. + * Failure: refs >= 0. + */ +typedef bool(*dbll_init_fxn) (void); + +/* + * ======== dbll_load ======== + * Load library onto the target. + * + * Parameters: + * lib - Library handle returned from dbll_open(). + * flags - Load code, data and/or symbols. + * attrs - May contain alloc, free, and write function. + * pulEntry - Location to store program entry on output. + * Returns: + * 0: Success. + * -EBADF: File read failed. + * -EILSEQ: Failure in dynamic loader library. + * Requires: + * DBL initialized. + * Valid lib. + * pEntry != NULL. + * Ensures: + */ +typedef int(*dbll_load_fxn) (struct dbll_library_obj *lib, + dbll_flags flags, + struct dbll_attrs *attrs, u32 *entry); + +/* + * ======== dbll_load_sect ======== + * Load a named section from an library (for overlay support). + * Parameters: + * lib - Handle returned from dbll_open(). + * sectName - Name of section to load. + * attrs - Contains write function and handle to pass to it. + * Returns: + * 0: Success. + * -ENXIO: Section not found. + * -ENOSYS: Function not implemented. + * Requires: + * Valid lib. + * sectName != NULL. + * attrs != NULL. + * attrs->write != NULL. + * Ensures: + */ +typedef int(*dbll_load_sect_fxn) (struct dbll_library_obj *lib, + char *pszSectName, + struct dbll_attrs *attrs); + +/* + * ======== dbll_open ======== + * dbll_open() returns a library handle that can be used to load/unload + * the symbols/code/data via dbll_load()/dbll_unload(). + * Parameters: + * target - Handle returned from dbll_create(). + * file - Name of file to open. + * flags - If flags & DBLL_SYMB, load symbols. + * pLib - Location to store library handle on output. + * Returns: + * 0: Success. + * -ENOMEM: Memory allocation failure. + * -EBADF: File open/read failure. + * Unable to determine target type. + * Requires: + * DBL initialized. + * Valid target. + * file != NULL. + * pLib != NULL. + * dbll_attrs fopen function non-NULL. + * Ensures: + * Success: Valid *pLib. + * Failure: *pLib == NULL. + */ +typedef int(*dbll_open_fxn) (struct dbll_tar_obj *target, char *file, + dbll_flags flags, + struct dbll_library_obj **pLib); + +/* + * ======== dbll_read_sect ======== + * Read COFF section into a character buffer. + * Parameters: + * lib - Library handle returned from dbll_open(). + * name - Name of section. + * pbuf - Buffer to write section contents into. + * size - Buffer size + * Returns: + * 0: Success. + * -ENXIO: Named section does not exists. + * Requires: + * DBL initialized. + * Valid lib. + * name != NULL. + * pbuf != NULL. + * size != 0. + * Ensures: + */ +typedef int(*dbll_read_sect_fxn) (struct dbll_library_obj *lib, + char *name, char *content, + u32 uContentSize); + +/* + * ======== dbll_set_attrs ======== + * Set the attributes of the target. + * Parameters: + * target - Handle returned from dbll_create(). + * pattrs - New attributes. + * Returns: + * Requires: + * DBL initialized. + * Valid target. + * pattrs != NULL. + * Ensures: + */ +typedef void (*dbll_set_attrs_fxn) (struct dbll_tar_obj *target, + struct dbll_attrs *attrs); + +/* + * ======== dbll_unload ======== + * Unload library loaded with dbll_load(). + * Parameters: + * lib - Handle returned from dbll_open(). + * attrs - Contains free() function and handle to pass to it. + * Returns: + * Requires: + * DBL initialized. + * Valid lib. + * Ensures: + */ +typedef void (*dbll_unload_fxn) (struct dbll_library_obj *library, + struct dbll_attrs *attrs); + +/* + * ======== dbll_unload_sect ======== + * Unload a named section from an library (for overlay support). + * Parameters: + * lib - Handle returned from dbll_open(). + * sectName - Name of section to load. + * attrs - Contains free() function and handle to pass to it. + * Returns: + * 0: Success. + * -ENXIO: Named section not found. + * -ENOSYS + * Requires: + * DBL initialized. + * Valid lib. + * sectName != NULL. + * Ensures: + */ +typedef int(*dbll_unload_sect_fxn) (struct dbll_library_obj *lib, + char *pszSectName, + struct dbll_attrs *attrs); + +struct dbll_fxns { + dbll_close_fxn close_fxn; + dbll_create_fxn create_fxn; + dbll_delete_fxn delete_fxn; + dbll_exit_fxn exit_fxn; + dbll_get_attrs_fxn get_attrs_fxn; + dbll_get_addr_fxn get_addr_fxn; + dbll_get_c_addr_fxn get_c_addr_fxn; + dbll_get_sect_fxn get_sect_fxn; + dbll_init_fxn init_fxn; + dbll_load_fxn load_fxn; + dbll_load_sect_fxn load_sect_fxn; + dbll_open_fxn open_fxn; + dbll_read_sect_fxn read_sect_fxn; + dbll_set_attrs_fxn set_attrs_fxn; + dbll_unload_fxn unload_fxn; + dbll_unload_sect_fxn unload_sect_fxn; +}; + +#endif /* DBLDEFS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dbtype.h b/drivers/staging/tidspbridge/include/dspbridge/dbtype.h new file mode 100644 index 0000000..de65a82 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dbtype.h @@ -0,0 +1,88 @@ +/* + * dbtype.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * This header defines data types for DSP/BIOS Bridge APIs and device + * driver modules. It also defines the Hungarian prefix to use for each + * base type. + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DBTYPE_ +#define DBTYPE_ + +/*===========================================================================*/ +/* Argument specification syntax */ +/*===========================================================================*/ + +#ifndef IN +#define IN /* Following parameter is for input. */ +#endif + +#ifndef OUT +#define OUT /* Following parameter is for output. */ +#endif + +#ifndef OPTIONAL +#define OPTIONAL /* Function may optionally use previous parameter. */ +#endif + +#ifndef CONST +#define CONST const +#endif + +/*===========================================================================*/ +/* Boolean constants */ +/*===========================================================================*/ + +#ifndef FALSE +#define FALSE 0 +#endif +#ifndef TRUE +#define TRUE 1 +#endif + +/*===========================================================================*/ +/* NULL (Definition is language specific) */ +/*===========================================================================*/ + +#ifndef NULL +#define NULL ((void *)0) /* Null pointer. */ +#endif + +/*===========================================================================*/ +/* NULL character (normally used for string termination) */ +/*===========================================================================*/ + +#ifndef NULL_CHAR +#define NULL_CHAR '\0' /* Null character. */ +#endif + +/*===========================================================================*/ +/* Basic Type definitions (with Prefixes for Hungarian notation) */ +/*===========================================================================*/ + +#ifndef OMAPBRIDGE_TYPES +#define OMAPBRIDGE_TYPES +typedef volatile unsigned short reg_uword16; +#endif + +#define TEXT(x) x + +#define DLLIMPORT +#define DLLEXPORT + +/* Define DSPAPIDLL correctly in dspapi.h */ +#define _DSPSYSDLL32_ + +#endif /* DBTYPE_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dehdefs.h b/drivers/staging/tidspbridge/include/dspbridge/dehdefs.h new file mode 100644 index 0000000..09f8bf8 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dehdefs.h @@ -0,0 +1,32 @@ +/* + * dehdefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Definition for Bridge driver module DEH. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DEHDEFS_ +#define DEHDEFS_ + +#include <dspbridge/mbx_sh.h> /* shared mailbox codes */ + +/* DEH object manager */ +struct deh_mgr; + +/* Magic code used to determine if DSP signaled exception. */ +#define DEH_BASE MBX_DEH_BASE +#define DEH_USERS_BASE MBX_DEH_USERS_BASE +#define DEH_LIMIT MBX_DEH_LIMIT + +#endif /* _DEHDEFS_H */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dev.h b/drivers/staging/tidspbridge/include/dspbridge/dev.h new file mode 100644 index 0000000..434c128 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dev.h @@ -0,0 +1,702 @@ +/* + * dev.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Bridge Bridge driver device operations. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DEV_ +#define DEV_ + +/* ----------------------------------- Module Dependent Headers */ +#include <dspbridge/chnldefs.h> +#include <dspbridge/cmm.h> +#include <dspbridge/cod.h> +#include <dspbridge/dehdefs.h> +#include <dspbridge/nodedefs.h> +#include <dspbridge/dispdefs.h> +#include <dspbridge/dspdefs.h> +#include <dspbridge/dmm.h> +#include <dspbridge/host_os.h> + +/* ----------------------------------- This */ +#include <dspbridge/devdefs.h> + +/* + * ======== dev_brd_write_fxn ======== + * Purpose: + * Exported function to be used as the COD write function. This function + * is passed a handle to a DEV_hObject by ZL in pArb, then calls the + * device's bridge_brd_write() function. + * Parameters: + * pArb: Handle to a Device Object. + * hDevContext: Handle to Bridge driver defined device info. + * dwDSPAddr: Address on DSP board (Destination). + * pHostBuf: Pointer to host buffer (Source). + * ul_num_bytes: Number of bytes to transfer. + * ulMemType: Memory space on DSP to which to transfer. + * Returns: + * Number of bytes written. Returns 0 if the DEV_hObject passed in via + * pArb is invalid. + * Requires: + * DEV Initialized. + * pHostBuf != NULL + * Ensures: + */ +extern u32 dev_brd_write_fxn(void *pArb, + u32 ulDspAddr, + void *pHostBuf, u32 ul_num_bytes, u32 nMemSpace); + +/* + * ======== dev_create_device ======== + * Purpose: + * Called by the operating system to load the Bridge Driver for a + * 'Bridge device. + * Parameters: + * phDevObject: Ptr to location to receive the device object handle. + * driver_file_name: Name of Bridge driver PE DLL file to load. If the + * absolute path is not provided, the file is loaded + * through 'Bridge's module search path. + * pHostConfig: Host configuration information, to be passed down + * to the Bridge driver when bridge_dev_create() is called. + * pDspConfig: DSP resources, to be passed down to the Bridge driver + * when bridge_dev_create() is called. + * dev_node_obj: Platform specific device node. + * Returns: + * 0: Module is loaded, device object has been created + * -ENOMEM: Insufficient memory to create needed resources. + * -EPERM: Unable to find Bridge driver entry point function. + * -ESPIPE: Unable to load ZL DLL. + * Requires: + * DEV Initialized. + * phDevObject != NULL. + * driver_file_name != NULL. + * pHostConfig != NULL. + * pDspConfig != NULL. + * Ensures: + * 0: *phDevObject will contain handle to the new device object. + * Otherwise, does not create the device object, ensures the Bridge driver + * module is unloaded, and sets *phDevObject to NULL. + */ +extern int dev_create_device(OUT struct dev_object + **phDevObject, + IN CONST char *driver_file_name, + struct cfg_devnode *dev_node_obj); + +/* + * ======== dev_create_iva_device ======== + * Purpose: + * Called by the operating system to load the Bridge Driver for IVA. + * Parameters: + * phDevObject: Ptr to location to receive the device object handle. + * driver_file_name: Name of Bridge driver PE DLL file to load. If the + * absolute path is not provided, the file is loaded + * through 'Bridge's module search path. + * pHostConfig: Host configuration information, to be passed down + * to the Bridge driver when bridge_dev_create() is called. + * pDspConfig: DSP resources, to be passed down to the Bridge driver + * when bridge_dev_create() is called. + * dev_node_obj: Platform specific device node. + * Returns: + * 0: Module is loaded, device object has been created + * -ENOMEM: Insufficient memory to create needed resources. + * -EPERM: Unable to find Bridge driver entry point function. + * -ESPIPE: Unable to load ZL DLL. + * Requires: + * DEV Initialized. + * phDevObject != NULL. + * driver_file_name != NULL. + * pHostConfig != NULL. + * pDspConfig != NULL. + * Ensures: + * 0: *phDevObject will contain handle to the new device object. + * Otherwise, does not create the device object, ensures the Bridge driver + * module is unloaded, and sets *phDevObject to NULL. + */ +extern int dev_create_iva_device(OUT struct dev_object + **phDevObject, + IN CONST char *driver_file_name, + IN CONST struct cfg_hostres + *pHostConfig, + struct cfg_devnode *dev_node_obj); + +/* + * ======== dev_create2 ======== + * Purpose: + * After successful loading of the image from api_init_complete2 + * (PROC Auto_Start) or proc_load this fxn is called. This creates + * the Node Manager and updates the DEV Object. + * Parameters: + * hdev_obj: Handle to device object created with dev_create_device(). + * Returns: + * 0: Successful Creation of Node Manager + * -EPERM: Some Error Occurred. + * Requires: + * DEV Initialized + * Valid hdev_obj + * Ensures: + * 0 and hdev_obj->hnode_mgr != NULL + * else hdev_obj->hnode_mgr == NULL + */ +extern int dev_create2(IN struct dev_object *hdev_obj); + +/* + * ======== dev_destroy2 ======== + * Purpose: + * Destroys the Node manager for this device. + * Parameters: + * hdev_obj: Handle to device object created with dev_create_device(). + * Returns: + * 0: Successful Creation of Node Manager + * -EPERM: Some Error Occurred. + * Requires: + * DEV Initialized + * Valid hdev_obj + * Ensures: + * 0 and hdev_obj->hnode_mgr == NULL + * else -EPERM. + */ +extern int dev_destroy2(IN struct dev_object *hdev_obj); + +/* + * ======== dev_destroy_device ======== + * Purpose: + * Destroys the channel manager for this device, if any, calls + * bridge_dev_destroy(), and then attempts to unload the Bridge module. + * Parameters: + * hdev_obj: Handle to device object created with + * dev_create_device(). + * Returns: + * 0: Success. + * -EFAULT: Invalid hdev_obj. + * -EPERM: The Bridge driver failed it's bridge_dev_destroy() function. + * Requires: + * DEV Initialized. + * Ensures: + */ +extern int dev_destroy_device(struct dev_object + *hdev_obj); + +/* + * ======== dev_get_chnl_mgr ======== + * Purpose: + * Retrieve the handle to the channel manager created for this device. + * Parameters: + * hdev_obj: Handle to device object created with + * dev_create_device(). + * *phMgr: Ptr to location to store handle. + * Returns: + * 0: Success. + * -EFAULT: Invalid hdev_obj. + * Requires: + * phMgr != NULL. + * DEV Initialized. + * Ensures: + * 0: *phMgr contains a handle to a channel manager object, + * or NULL. + * else: *phMgr is NULL. + */ +extern int dev_get_chnl_mgr(struct dev_object *hdev_obj, + OUT struct chnl_mgr **phMgr); + +/* + * ======== dev_get_cmm_mgr ======== + * Purpose: + * Retrieve the handle to the shared memory manager created for this + * device. + * Parameters: + * hdev_obj: Handle to device object created with + * dev_create_device(). + * *phMgr: Ptr to location to store handle. + * Returns: + * 0: Success. + * -EFAULT: Invalid hdev_obj. + * Requires: + * phMgr != NULL. + * DEV Initialized. + * Ensures: + * 0: *phMgr contains a handle to a channel manager object, + * or NULL. + * else: *phMgr is NULL. + */ +extern int dev_get_cmm_mgr(struct dev_object *hdev_obj, + OUT struct cmm_object **phMgr); + +/* + * ======== dev_get_dmm_mgr ======== + * Purpose: + * Retrieve the handle to the dynamic memory manager created for this + * device. + * Parameters: + * hdev_obj: Handle to device object created with + * dev_create_device(). + * *phMgr: Ptr to location to store handle. + * Returns: + * 0: Success. + * -EFAULT: Invalid hdev_obj. + * Requires: + * phMgr != NULL. + * DEV Initialized. + * Ensures: + * 0: *phMgr contains a handle to a channel manager object, + * or NULL. + * else: *phMgr is NULL. + */ +extern int dev_get_dmm_mgr(struct dev_object *hdev_obj, + OUT struct dmm_object **phMgr); + +/* + * ======== dev_get_cod_mgr ======== + * Purpose: + * Retrieve the COD manager create for this device. + * Parameters: + * hdev_obj: Handle to device object created with + * dev_create_device(). + * *phCodMgr: Ptr to location to store handle. + * Returns: + * 0: Success. + * -EFAULT: Invalid hdev_obj. + * Requires: + * phCodMgr != NULL. + * DEV Initialized. + * Ensures: + * 0: *phCodMgr contains a handle to a COD manager object. + * else: *phCodMgr is NULL. + */ +extern int dev_get_cod_mgr(struct dev_object *hdev_obj, + OUT struct cod_manager **phCodMgr); + +/* + * ======== dev_get_deh_mgr ======== + * Purpose: + * Retrieve the DEH manager created for this device. + * Parameters: + * hdev_obj: Handle to device object created with dev_create_device(). + * *phDehMgr: Ptr to location to store handle. + * Returns: + * 0: Success. + * -EFAULT: Invalid hdev_obj. + * Requires: + * phDehMgr != NULL. + * DEH Initialized. + * Ensures: + * 0: *phDehMgr contains a handle to a DEH manager object. + * else: *phDehMgr is NULL. + */ +extern int dev_get_deh_mgr(struct dev_object *hdev_obj, + OUT struct deh_mgr **phDehMgr); + +/* + * ======== dev_get_dev_node ======== + * Purpose: + * Retrieve the platform specific device ID for this device. + * Parameters: + * hdev_obj: Handle to device object created with + * dev_create_device(). + * phDevNode: Ptr to location to get the device node handle. + * Returns: + * 0: Returns a DEVNODE in *dev_node_obj. + * -EFAULT: Invalid hdev_obj. + * Requires: + * phDevNode != NULL. + * DEV Initialized. + * Ensures: + * 0: *phDevNode contains a platform specific device ID; + * else: *phDevNode is NULL. + */ +extern int dev_get_dev_node(struct dev_object *hdev_obj, + OUT struct cfg_devnode **phDevNode); + +/* + * ======== dev_get_dev_type ======== + * Purpose: + * Retrieve the platform specific device ID for this device. + * Parameters: + * hdev_obj: Handle to device object created with + * dev_create_device(). + * phDevNode: Ptr to location to get the device node handle. + * Returns: + * 0: Success + * -EFAULT: Invalid hdev_obj. + * Requires: + * phDevNode != NULL. + * DEV Initialized. + * Ensures: + * 0: *phDevNode contains a platform specific device ID; + * else: *phDevNode is NULL. + */ +extern int dev_get_dev_type(struct dev_object *hdevObject, + u8 *dev_type); + +/* + * ======== dev_get_first ======== + * Purpose: + * Retrieve the first Device Object handle from an internal linked list of + * of DEV_OBJECTs maintained by DEV. + * Parameters: + * Returns: + * NULL if there are no device objects stored; else + * a valid DEV_HOBJECT. + * Requires: + * No calls to dev_create_device or dev_destroy_device (which my modify the + * internal device object list) may occur between calls to dev_get_first + * and dev_get_next. + * Ensures: + * The DEV_HOBJECT returned is valid. + * A subsequent call to dev_get_next will return the next device object in + * the list. + */ +extern struct dev_object *dev_get_first(void); + +/* + * ======== dev_get_intf_fxns ======== + * Purpose: + * Retrieve the Bridge driver interface function structure for the + * loaded Bridge driver. + * Parameters: + * hdev_obj: Handle to device object created with + * dev_create_device(). + * *ppIntfFxns: Ptr to location to store fxn interface. + * Returns: + * 0: Success. + * -EFAULT: Invalid hdev_obj. + * Requires: + * ppIntfFxns != NULL. + * DEV Initialized. + * Ensures: + * 0: *ppIntfFxns contains a pointer to the Bridge + * driver interface; + * else: *ppIntfFxns is NULL. + */ +extern int dev_get_intf_fxns(struct dev_object *hdev_obj, + OUT struct bridge_drv_interface **ppIntfFxns); + +/* + * ======== dev_get_io_mgr ======== + * Purpose: + * Retrieve the handle to the IO manager created for this device. + * Parameters: + * hdev_obj: Handle to device object created with + * dev_create_device(). + * *phMgr: Ptr to location to store handle. + * Returns: + * 0: Success. + * -EFAULT: Invalid hdev_obj. + * Requires: + * phMgr != NULL. + * DEV Initialized. + * Ensures: + * 0: *phMgr contains a handle to an IO manager object. + * else: *phMgr is NULL. + */ +extern int dev_get_io_mgr(struct dev_object *hdev_obj, + OUT struct io_mgr **phMgr); + +/* + * ======== dev_get_next ======== + * Purpose: + * Retrieve the next Device Object handle from an internal linked list of + * of DEV_OBJECTs maintained by DEV, after having previously called + * dev_get_first() and zero or more dev_get_next + * Parameters: + * hdev_obj: Handle to the device object returned from a previous + * call to dev_get_first() or dev_get_next(). + * Returns: + * NULL if there are no further device objects on the list or hdev_obj + * was invalid; + * else the next valid DEV_HOBJECT in the list. + * Requires: + * No calls to dev_create_device or dev_destroy_device (which my modify the + * internal device object list) may occur between calls to dev_get_first + * and dev_get_next. + * Ensures: + * The DEV_HOBJECT returned is valid. + * A subsequent call to dev_get_next will return the next device object in + * the list. + */ +extern struct dev_object *dev_get_next(struct dev_object + *hdev_obj); + +/* + * ========= dev_get_msg_mgr ======== + * Purpose: + * Retrieve the msg_ctrl Manager Handle from the DevObject. + * Parameters: + * hdev_obj: Handle to the Dev Object + * phMsgMgr: Location where msg_ctrl Manager handle will be returned. + * Returns: + * Requires: + * DEV Initialized. + * Valid hdev_obj. + * phNodeMgr != NULL. + * Ensures: + */ +extern void dev_get_msg_mgr(struct dev_object *hdev_obj, + OUT struct msg_mgr **phMsgMgr); + +/* + * ========= dev_get_node_manager ======== + * Purpose: + * Retrieve the Node Manager Handle from the DevObject. It is an + * accessor function + * Parameters: + * hdev_obj: Handle to the Dev Object + * phNodeMgr: Location where Handle to the Node Manager will be + * returned.. + * Returns: + * 0: Success + * -EFAULT: Invalid Dev Object handle. + * Requires: + * DEV Initialized. + * phNodeMgr is not null + * Ensures: + * 0: *phNodeMgr contains a handle to a Node manager object. + * else: *phNodeMgr is NULL. + */ +extern int dev_get_node_manager(struct dev_object + *hdev_obj, + OUT struct node_mgr **phNodeMgr); + +/* + * ======== dev_get_symbol ======== + * Purpose: + * Get the value of a symbol in the currently loaded program. + * Parameters: + * hdev_obj: Handle to device object created with + * dev_create_device(). + * pstrSym: Name of symbol to look up. + * pul_value: Ptr to symbol value. + * Returns: + * 0: Success. + * -EFAULT: Invalid hdev_obj. + * -ESPIPE: Symbols couldn not be found or have not been loaded onto + * the board. + * Requires: + * pstrSym != NULL. + * pul_value != NULL. + * DEV Initialized. + * Ensures: + * 0: *pul_value contains the symbol value; + */ +extern int dev_get_symbol(struct dev_object *hdev_obj, + IN CONST char *pstrSym, OUT u32 * pul_value); + +/* + * ======== dev_get_bridge_context ======== + * Purpose: + * Retrieve the Bridge Context handle, as returned by the + * bridge_dev_create fxn. + * Parameters: + * hdev_obj: Handle to device object created with dev_create_device() + * *phbridge_context: Ptr to location to store context handle. + * Returns: + * 0: Success. + * -EFAULT: Invalid hdev_obj. + * Requires: + * phbridge_context != NULL. + * DEV Initialized. + * Ensures: + * 0: *phbridge_context contains context handle; + * else: *phbridge_context is NULL; + */ +extern int dev_get_bridge_context(struct dev_object *hdev_obj, + OUT struct bridge_dev_context + **phbridge_context); + +/* + * ======== dev_exit ======== + * Purpose: + * Decrement reference count, and free resources when reference count is + * 0. + * Parameters: + * Returns: + * Requires: + * DEV is initialized. + * Ensures: + * When reference count == 0, DEV's private resources are freed. + */ +extern void dev_exit(void); + +/* + * ======== dev_init ======== + * Purpose: + * Initialize DEV's private state, keeping a reference count on each call. + * Parameters: + * Returns: + * TRUE if initialized; FALSE if error occured. + * Requires: + * Ensures: + * TRUE: A requirement for the other public DEV functions. + */ +extern bool dev_init(void); + +/* + * ======== dev_is_locked ======== + * Purpose: + * Predicate function to determine if the device has been + * locked by a client for exclusive access. + * Parameters: + * hdev_obj: Handle to device object created with + * dev_create_device(). + * Returns: + * 0: TRUE: device has been locked. + * 0: FALSE: device not locked. + * -EFAULT: hdev_obj was invalid. + * Requires: + * DEV Initialized. + * Ensures: + */ +extern int dev_is_locked(IN struct dev_object *hdev_obj); + +/* + * ======== dev_insert_proc_object ======== + * Purpose: + * Inserts the Processor Object into the List of PROC Objects + * kept in the DEV Object + * Parameters: + * proc_obj: Handle to the Proc Object + * hdev_obj Handle to the Dev Object + * bAttachedNew Specifies if there are already processors attached + * Returns: + * 0: Successfully inserted into the list + * Requires: + * proc_obj is not NULL + * hdev_obj is a valid handle to the DEV. + * DEV Initialized. + * List(of Proc object in Dev) Exists. + * Ensures: + * 0 & the PROC Object is inserted and the list is not empty + * Details: + * If the List of Proc Object is empty bAttachedNew is TRUE, it indicated + * this is the first Processor attaching. + * If it is False, there are already processors attached. + */ +extern int dev_insert_proc_object(IN struct dev_object + *hdev_obj, + IN u32 proc_obj, + OUT bool *pbAlreadyAttached); + +/* + * ======== dev_remove_proc_object ======== + * Purpose: + * Search for and remove a Proc object from the given list maintained + * by the DEV + * Parameters: + * p_proc_object: Ptr to ProcObject to insert. + * dev_obj: Ptr to Dev Object where the list is. + * pbAlreadyAttached: Ptr to return the bool + * Returns: + * 0: If successful. + * -EPERM Failure to Remove the PROC Object from the list + * Requires: + * DevObject is Valid + * proc_obj != 0 + * dev_obj->proc_list != NULL + * !LST_IS_EMPTY(dev_obj->proc_list) + * pbAlreadyAttached !=NULL + * Ensures: + * Details: + * List will be deleted when the DEV is destroyed. + * + */ +extern int dev_remove_proc_object(struct dev_object + *hdev_obj, u32 proc_obj); + +/* + * ======== dev_notify_clients ======== + * Purpose: + * Notify all clients of this device of a change in device status. + * Clients may include multiple users of BRD, as well as CHNL. + * This function is asychronous, and may be called by a timer event + * set up by a watchdog timer. + * Parameters: + * hdev_obj: Handle to device object created with dev_create_device(). + * ulStatus: A status word, most likely a BRD_STATUS. + * Returns: + * 0: All registered clients were asynchronously notified. + * -EINVAL: Invalid hdev_obj. + * Requires: + * DEV Initialized. + * Ensures: + * 0: Notifications are queued by the operating system to be + * delivered to clients. This function does not ensure that + * the notifications will ever be delivered. + */ +extern int dev_notify_clients(struct dev_object *hdev_obj, u32 ulStatus); + +/* + * ======== dev_remove_device ======== + * Purpose: + * Destroys the Device Object created by dev_start_device. + * Parameters: + * dev_node_obj: Device node as it is know to OS. + * Returns: + * 0: If success; + * <error code> Otherwise. + * Requires: + * Ensures: + */ +extern int dev_remove_device(struct cfg_devnode *dev_node_obj); + +/* + * ======== dev_set_chnl_mgr ======== + * Purpose: + * Set the channel manager for this device. + * Parameters: + * hdev_obj: Handle to device object created with + * dev_create_device(). + * hmgr: Handle to a channel manager, or NULL. + * Returns: + * 0: Success. + * -EFAULT: Invalid hdev_obj. + * Requires: + * DEV Initialized. + * Ensures: + */ +extern int dev_set_chnl_mgr(struct dev_object *hdev_obj, + struct chnl_mgr *hmgr); + +/* + * ======== dev_set_msg_mgr ======== + * Purpose: + * Set the Message manager for this device. + * Parameters: + * hdev_obj: Handle to device object created with dev_create_device(). + * hmgr: Handle to a message manager, or NULL. + * Returns: + * Requires: + * DEV Initialized. + * Ensures: + */ +extern void dev_set_msg_mgr(struct dev_object *hdev_obj, struct msg_mgr *hmgr); + +/* + * ======== dev_start_device ======== + * Purpose: + * Initializes the new device with bridge environment. This involves + * querying CM for allocated resources, querying the registry for + * necessary dsp resources (requested in the INF file), and using this + * information to create a bridge device object. + * Parameters: + * dev_node_obj: Device node as it is know to OS. + * Returns: + * 0: If success; + * <error code> Otherwise. + * Requires: + * DEV initialized. + * Ensures: + */ +extern int dev_start_device(struct cfg_devnode *dev_node_obj); + +#endif /* DEV_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/devdefs.h b/drivers/staging/tidspbridge/include/dspbridge/devdefs.h new file mode 100644 index 0000000..a2f9241 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/devdefs.h @@ -0,0 +1,26 @@ +/* + * devdefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Definition of common include typedef between dspdefs.h and dev.h. Required + * to break circular dependency between Bridge driver and DEV include files. + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DEVDEFS_ +#define DEVDEFS_ + +/* Bridge Device Object */ +struct dev_object; + +#endif /* DEVDEFS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/disp.h b/drivers/staging/tidspbridge/include/dspbridge/disp.h new file mode 100644 index 0000000..2fd14b0 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/disp.h @@ -0,0 +1,204 @@ +/* + * disp.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * DSP/BIOS Bridge Node Dispatcher. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DISP_ +#define DISP_ + +#include <dspbridge/dbdefs.h> +#include <dspbridge/nodedefs.h> +#include <dspbridge/nodepriv.h> +#include <dspbridge/dispdefs.h> + +/* + * ======== disp_create ======== + * Create a NODE Dispatcher object. This object handles the creation, + * deletion, and execution of nodes on the DSP target, through communication + * with the Resource Manager Server running on the target. Each NODE + * Manager object should have exactly one NODE Dispatcher. + * + * Parameters: + * phDispObject: Location to store node dispatcher object on output. + * hdev_obj: Device for this processor. + * pDispAttrs: Node dispatcher attributes. + * Returns: + * 0: Success; + * -ENOMEM: Insufficient memory for requested resources. + * -EPERM: Unable to create dispatcher. + * Requires: + * disp_init(void) called. + * pDispAttrs != NULL. + * hdev_obj != NULL. + * phDispObject != NULL. + * Ensures: + * 0: IS_VALID(*phDispObject). + * error: *phDispObject == NULL. + */ +extern int disp_create(OUT struct disp_object **phDispObject, + struct dev_object *hdev_obj, + IN CONST struct disp_attr *pDispAttrs); + +/* + * ======== disp_delete ======== + * Delete the NODE Dispatcher. + * + * Parameters: + * hDispObject: Node Dispatcher object. + * Returns: + * Requires: + * disp_init(void) called. + * Valid hDispObject. + * Ensures: + * hDispObject is invalid. + */ +extern void disp_delete(struct disp_object *hDispObject); + +/* + * ======== disp_exit ======== + * Discontinue usage of DISP module. + * + * Parameters: + * Returns: + * Requires: + * disp_init(void) previously called. + * Ensures: + * Any resources acquired in disp_init(void) will be freed when last DISP + * client calls disp_exit(void). + */ +extern void disp_exit(void); + +/* + * ======== disp_init ======== + * Initialize the DISP module. + * + * Parameters: + * Returns: + * TRUE if initialization succeeded, FALSE otherwise. + * Ensures: + */ +extern bool disp_init(void); + +/* + * ======== disp_node_change_priority ======== + * Change the priority of a node currently running on the target. + * + * Parameters: + * hDispObject: Node Dispatcher object. + * hnode: Node object representing a node currently + * allocated or running on the DSP. + * ulFxnAddress: Address of RMS function for changing priority. + * node_env: Address of node's environment structure. + * prio: New priority level to set node's priority to. + * Returns: + * 0: Success. + * -ETIME: A timeout occurred before the DSP responded. + * Requires: + * disp_init(void) called. + * Valid hDispObject. + * hnode != NULL. + * Ensures: + */ +extern int disp_node_change_priority(struct disp_object + *hDispObject, + struct node_object *hnode, + u32 ul_fxn_addr, + nodeenv node_env, s32 prio); + +/* + * ======== disp_node_create ======== + * Create a node on the DSP by remotely calling the node's create function. + * + * Parameters: + * hDispObject: Node Dispatcher object. + * hnode: Node handle obtained from node_allocate(). + * ul_fxn_addr: Address or RMS create node function. + * ul_create_fxn: Address of node's create function. + * pargs: Arguments to pass to RMS node create function. + * pNodeEnv: Location to store node environment pointer on + * output. + * Returns: + * 0: Success. + * -ETIME: A timeout occurred before the DSP responded. + * -EPERM: A failure occurred, unable to create node. + * Requires: + * disp_init(void) called. + * Valid hDispObject. + * pargs != NULL. + * hnode != NULL. + * pNodeEnv != NULL. + * node_get_type(hnode) != NODE_DEVICE. + * Ensures: + */ +extern int disp_node_create(struct disp_object *hDispObject, + struct node_object *hnode, + u32 ul_fxn_addr, + u32 ul_create_fxn, + IN CONST struct node_createargs + *pargs, OUT nodeenv *pNodeEnv); + +/* + * ======== disp_node_delete ======== + * Delete a node on the DSP by remotely calling the node's delete function. + * + * Parameters: + * hDispObject: Node Dispatcher object. + * hnode: Node object representing a node currently + * loaded on the DSP. + * ul_fxn_addr: Address or RMS delete node function. + * ul_delete_fxn: Address of node's delete function. + * node_env: Address of node's environment structure. + * Returns: + * 0: Success. + * -ETIME: A timeout occurred before the DSP responded. + * Requires: + * disp_init(void) called. + * Valid hDispObject. + * hnode != NULL. + * Ensures: + */ +extern int disp_node_delete(struct disp_object *hDispObject, + struct node_object *hnode, + u32 ul_fxn_addr, + u32 ul_delete_fxn, nodeenv node_env); + +/* + * ======== disp_node_run ======== + * Start execution of a node's execute phase, or resume execution of a node + * that has been suspended (via DISP_NodePause()) on the DSP. + * + * Parameters: + * hDispObject: Node Dispatcher object. + * hnode: Node object representing a node to be executed + * on the DSP. + * ul_fxn_addr: Address or RMS node execute function. + * ul_execute_fxn: Address of node's execute function. + * node_env: Address of node's environment structure. + * Returns: + * 0: Success. + * -ETIME: A timeout occurred before the DSP responded. + * Requires: + * disp_init(void) called. + * Valid hDispObject. + * hnode != NULL. + * Ensures: + */ +extern int disp_node_run(struct disp_object *hDispObject, + struct node_object *hnode, + u32 ul_fxn_addr, + u32 ul_execute_fxn, nodeenv node_env); + +#endif /* DISP_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dispdefs.h b/drivers/staging/tidspbridge/include/dspbridge/dispdefs.h new file mode 100644 index 0000000..946551a --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dispdefs.h @@ -0,0 +1,35 @@ +/* + * dispdefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Global DISP constants and types, shared by PROCESSOR, NODE, and DISP. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DISPDEFS_ +#define DISPDEFS_ + +struct disp_object; + +/* Node Dispatcher attributes */ +struct disp_attr { + u32 ul_chnl_offset; /* Offset of channel ids reserved for RMS */ + /* Size of buffer for sending data to RMS */ + u32 ul_chnl_buf_size; + int proc_family; /* eg, 5000 */ + int proc_type; /* eg, 5510 */ + void *reserved1; /* Reserved for future use. */ + u32 reserved2; /* Reserved for future use. */ +}; + +#endif /* DISPDEFS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dmm.h b/drivers/staging/tidspbridge/include/dspbridge/dmm.h new file mode 100644 index 0000000..1ce1b65 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dmm.h @@ -0,0 +1,75 @@ +/* + * dmm.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * The Dynamic Memory Mapping(DMM) module manages the DSP Virtual address + * space that can be directly mapped to any MPU buffer or memory region. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DMM_ +#define DMM_ + +#include <dspbridge/dbdefs.h> + +struct dmm_object; + +/* DMM attributes used in dmm_create() */ +struct dmm_mgrattrs { + u32 reserved; +}; + +#define DMMPOOLSIZE 0x4000000 + +/* + * ======== dmm_get_handle ======== + * Purpose: + * Return the dynamic memory manager object for this device. + * This is typically called from the client process. + */ + +extern int dmm_get_handle(void *hprocessor, + OUT struct dmm_object **phDmmMgr); + +extern int dmm_reserve_memory(struct dmm_object *dmm_mgr, + u32 size, u32 *prsv_addr); + +extern int dmm_un_reserve_memory(struct dmm_object *dmm_mgr, + u32 rsv_addr); + +extern int dmm_map_memory(struct dmm_object *dmm_mgr, u32 addr, + u32 size); + +extern int dmm_un_map_memory(struct dmm_object *dmm_mgr, + u32 addr, u32 *psize); + +extern int dmm_destroy(struct dmm_object *dmm_mgr); + +extern int dmm_delete_tables(struct dmm_object *dmm_mgr); + +extern int dmm_create(OUT struct dmm_object **phDmmMgr, + struct dev_object *hdev_obj, + IN CONST struct dmm_mgrattrs *pMgrAttrs); + +extern bool dmm_init(void); + +extern void dmm_exit(void); + +extern int dmm_create_tables(struct dmm_object *dmm_mgr, + u32 addr, u32 size); + +#ifdef DSP_DMM_DEBUG +u32 dmm_mem_map_dump(struct dmm_object *dmm_mgr); +#endif + +#endif /* DMM_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/drv.h b/drivers/staging/tidspbridge/include/dspbridge/drv.h new file mode 100644 index 0000000..66f12ef --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/drv.h @@ -0,0 +1,522 @@ +/* + * drv.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * DRV Resource allocation module. Driver Object gets Created + * at the time of Loading. It holds the List of Device Objects + * in the system. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DRV_ +#define DRV_ + +#include <dspbridge/devdefs.h> + +#include <dspbridge/drvdefs.h> + +#define DRV_ASSIGN 1 +#define DRV_RELEASE 0 + +/* Provide the DSP Internal memory windows that can be accessed from L3 address + * space */ + +#define OMAP_GEM_BASE 0x107F8000 +#define OMAP_DSP_SIZE 0x00720000 + +/* MEM1 is L2 RAM + L2 Cache space */ +#define OMAP_DSP_MEM1_BASE 0x5C7F8000 +#define OMAP_DSP_MEM1_SIZE 0x18000 +#define OMAP_DSP_GEM1_BASE 0x107F8000 + +/* MEM2 is L1P RAM/CACHE space */ +#define OMAP_DSP_MEM2_BASE 0x5CE00000 +#define OMAP_DSP_MEM2_SIZE 0x8000 +#define OMAP_DSP_GEM2_BASE 0x10E00000 + +/* MEM3 is L1D RAM/CACHE space */ +#define OMAP_DSP_MEM3_BASE 0x5CF04000 +#define OMAP_DSP_MEM3_SIZE 0x14000 +#define OMAP_DSP_GEM3_BASE 0x10F04000 + +#define OMAP_IVA2_PRM_BASE 0x48306000 +#define OMAP_IVA2_PRM_SIZE 0x1000 + +#define OMAP_IVA2_CM_BASE 0x48004000 +#define OMAP_IVA2_CM_SIZE 0x1000 + +#define OMAP_PER_CM_BASE 0x48005000 +#define OMAP_PER_CM_SIZE 0x1000 + +#define OMAP_PER_PRM_BASE 0x48307000 +#define OMAP_PER_PRM_SIZE 0x1000 + +#define OMAP_CORE_PRM_BASE 0x48306A00 +#define OMAP_CORE_PRM_SIZE 0x1000 + +#define OMAP_SYSC_BASE 0x48002000 +#define OMAP_SYSC_SIZE 0x1000 + +#define OMAP_DMMU_BASE 0x5D000000 +#define OMAP_DMMU_SIZE 0x1000 + +#define OMAP_PRCM_VDD1_DOMAIN 1 +#define OMAP_PRCM_VDD2_DOMAIN 2 + +/* GPP PROCESS CLEANUP Data structures */ + +/* New structure (member of process context) abstracts NODE resource info */ +struct node_res_object { + void *hnode; + s32 node_allocated; /* Node status */ + s32 heap_allocated; /* Heap status */ + s32 streams_allocated; /* Streams status */ + struct node_res_object *next; +}; + +/* used to cache dma mapping information */ +struct bridge_dma_map_info { + /* direction of DMA in action, or DMA_NONE */ + enum dma_data_direction dir; + /* number of elements requested by us */ + int num_pages; + /* number of elements returned from dma_map_sg */ + int sg_num; + /* list of buffers used in this DMA action */ + struct scatterlist *sg; +}; + +/* Used for DMM mapped memory accounting */ +struct dmm_map_object { + struct list_head link; + u32 dsp_addr; + u32 mpu_addr; + u32 size; + u32 num_usr_pgs; + struct page **pages; + struct bridge_dma_map_info dma_info; +}; + +/* Used for DMM reserved memory accounting */ +struct dmm_rsv_object { + struct list_head link; + u32 dsp_reserved_addr; +}; + +/* New structure (member of process context) abstracts DMM resource info */ +struct dspheap_res_object { + s32 heap_allocated; /* DMM status */ + u32 ul_mpu_addr; + u32 ul_dsp_addr; + u32 ul_dsp_res_addr; + u32 heap_size; + void *hprocessor; + struct dspheap_res_object *next; +}; + +/* New structure (member of process context) abstracts stream resource info */ +struct strm_res_object { + s32 stream_allocated; /* Stream status */ + void *hstream; + u32 num_bufs; + u32 dir; + struct strm_res_object *next; +}; + +/* Overall Bridge process resource usage state */ +enum gpp_proc_res_state { + PROC_RES_ALLOCATED, + PROC_RES_FREED +}; + +/* Bridge Data */ +struct drv_data { + char *base_img; + s32 shm_size; + int tc_wordswapon; + void *drv_object; + void *dev_object; + void *mgr_object; +}; + +/* Process Context */ +struct process_context { + /* Process State */ + enum gpp_proc_res_state res_state; + + /* Handle to Processor */ + void *hprocessor; + + /* DSP Node resources */ + struct node_res_object *node_list; + struct mutex node_mutex; + + /* DMM mapped memory resources */ + struct list_head dmm_map_list; + spinlock_t dmm_map_lock; + + /* DMM reserved memory resources */ + struct list_head dmm_rsv_list; + spinlock_t dmm_rsv_lock; + + /* DSP Heap resources */ + struct dspheap_res_object *pdspheap_list; + + /* Stream resources */ + struct strm_res_object *pstrm_list; + struct mutex strm_mutex; +}; + +/* + * ======== drv_create ======== + * Purpose: + * Creates the Driver Object. This is done during the driver loading. + * There is only one Driver Object in the DSP/BIOS Bridge. + * Parameters: + * phDrvObject: Location to store created DRV Object handle. + * Returns: + * 0: Sucess + * -ENOMEM: Failed in Memory allocation + * -EPERM: General Failure + * Requires: + * DRV Initialized (refs > 0 ) + * phDrvObject != NULL. + * Ensures: + * 0: - *phDrvObject is a valid DRV interface to the device. + * - List of DevObject Created and Initialized. + * - List of dev_node String created and intialized. + * - Registry is updated with the DRV Object. + * !0: DRV Object not created + * Details: + * There is one Driver Object for the Driver representing + * the driver itself. It contains the list of device + * Objects and the list of Device Extensions in the system. + * Also it can hold other neccessary + * information in its storage area. + */ +extern int drv_create(struct drv_object **phDrvObject); + +/* + * ======== drv_destroy ======== + * Purpose: + * destroys the Dev Object list, DrvExt list + * and destroy the DRV object + * Called upon driver unLoading.or unsuccesful loading of the driver. + * Parameters: + * hdrv_obj: Handle to Driver object . + * Returns: + * 0: Success. + * -EPERM: Failed to destroy DRV Object + * Requires: + * DRV Initialized (cRegs > 0 ) + * hdrv_obj is not NULL and a valid DRV handle . + * List of DevObject is Empty. + * List of DrvExt is Empty + * Ensures: + * 0: - DRV Object destroyed and hdrv_obj is not a valid + * DRV handle. + * - Registry is updated with "0" as the DRV Object. + */ +extern int drv_destroy(struct drv_object *hdrv_obj); + +/* + * ======== drv_exit ======== + * Purpose: + * Exit the DRV module, freeing any modules initialized in drv_init. + * Parameters: + * Returns: + * Requires: + * Ensures: + */ +extern void drv_exit(void); + +/* + * ======== drv_get_first_dev_object ======== + * Purpose: + * Returns the Ptr to the FirstDev Object in the List + * Parameters: + * Requires: + * DRV Initialized + * Returns: + * dw_dev_object: Ptr to the First Dev Object as a u32 + * 0 if it fails to retrieve the First Dev Object + * Ensures: + */ +extern u32 drv_get_first_dev_object(void); + +/* + * ======== drv_get_first_dev_extension ======== + * Purpose: + * Returns the Ptr to the First Device Extension in the List + * Parameters: + * Requires: + * DRV Initialized + * Returns: + * dw_dev_extension: Ptr to the First Device Extension as a u32 + * 0: Failed to Get the Device Extension + * Ensures: + */ +extern u32 drv_get_first_dev_extension(void); + +/* + * ======== drv_get_dev_object ======== + * Purpose: + * Given a index, returns a handle to DevObject from the list + * Parameters: + * hdrv_obj: Handle to the Manager + * phDevObject: Location to store the Dev Handle + * Requires: + * DRV Initialized + * index >= 0 + * hdrv_obj is not NULL and Valid DRV Object + * phDevObject is not NULL + * Device Object List not Empty + * Returns: + * 0: Success + * -EPERM: Failed to Get the Dev Object + * Ensures: + * 0: *phDevObject != NULL + * -EPERM: *phDevObject = NULL + */ +extern int drv_get_dev_object(u32 index, + struct drv_object *hdrv_obj, + struct dev_object **phDevObject); + +/* + * ======== drv_get_next_dev_object ======== + * Purpose: + * Returns the Ptr to the Next Device Object from the the List + * Parameters: + * hdev_obj: Handle to the Device Object + * Requires: + * DRV Initialized + * hdev_obj != 0 + * Returns: + * dw_dev_object: Ptr to the Next Dev Object as a u32 + * 0: If it fail to get the next Dev Object. + * Ensures: + */ +extern u32 drv_get_next_dev_object(u32 hdev_obj); + +/* + * ======== drv_get_next_dev_extension ======== + * Purpose: + * Returns the Ptr to the Next Device Extension from the the List + * Parameters: + * hDevExtension: Handle to the Device Extension + * Requires: + * DRV Initialized + * hDevExtension != 0. + * Returns: + * dw_dev_extension: Ptr to the Next Dev Extension + * 0: If it fail to Get the next Dev Extension + * Ensures: + */ +extern u32 drv_get_next_dev_extension(u32 hDevExtension); + +/* + * ======== drv_init ======== + * Purpose: + * Initialize the DRV module. + * Parameters: + * Returns: + * TRUE if success; FALSE otherwise. + * Requires: + * Ensures: + */ +extern int drv_init(void); + +/* + * ======== drv_insert_dev_object ======== + * Purpose: + * Insert a DeviceObject into the list of Driver object. + * Parameters: + * hdrv_obj: Handle to DrvObject + * hdev_obj: Handle to DeviceObject to insert. + * Returns: + * 0: If successful. + * -EPERM: General Failure: + * Requires: + * hdrv_obj != NULL and Valid DRV Handle. + * hdev_obj != NULL. + * Ensures: + * 0: Device Object is inserted and the List is not empty. + */ +extern int drv_insert_dev_object(struct drv_object *hdrv_obj, + struct dev_object *hdev_obj); + +/* + * ======== drv_remove_dev_object ======== + * Purpose: + * Search for and remove a Device object from the given list of Device Obj + * objects. + * Parameters: + * hdrv_obj: Handle to DrvObject + * hdev_obj: Handle to DevObject to Remove + * Returns: + * 0: Success. + * -EPERM: Unable to find dev_obj. + * Requires: + * hdrv_obj != NULL and a Valid DRV Handle. + * hdev_obj != NULL. + * List exists and is not empty. + * Ensures: + * List either does not exist (NULL), or is not empty if it does exist. + */ +extern int drv_remove_dev_object(struct drv_object *hdrv_obj, + struct dev_object *hdev_obj); + +/* + * ======== drv_request_resources ======== + * Purpose: + * Assigns the Resources or Releases them. + * Parameters: + * dw_context: Path to the driver Registry Key. + * pDevNodeString: Ptr to dev_node String stored in the Device Ext. + * Returns: + * TRUE if success; FALSE otherwise. + * Requires: + * Ensures: + * The Resources are assigned based on Bus type. + * The hardware is initialized. Resource information is + * gathered from the Registry(ISA, PCMCIA)or scanned(PCI) + * Resource structure is stored in the registry which will be + * later used by the CFG module. + */ +extern int drv_request_resources(IN u32 dw_context, + OUT u32 *pDevNodeString); + +/* + * ======== drv_release_resources ======== + * Purpose: + * Assigns the Resources or Releases them. + * Parameters: + * dw_context: Path to the driver Registry Key. + * hdrv_obj: Handle to the Driver Object. + * Returns: + * TRUE if success; FALSE otherwise. + * Requires: + * Ensures: + * The Resources are released based on Bus type. + * Resource structure is deleted from the registry + */ +extern int drv_release_resources(IN u32 dw_context, + struct drv_object *hdrv_obj); + +/** + * drv_request_bridge_res_dsp() - Reserves shared memory for bridge. + * @phost_resources: pointer to host resources. + */ +int drv_request_bridge_res_dsp(void **phost_resources); + +#ifdef CONFIG_BRIDGE_RECOVERY +void bridge_recover_schedule(void); +#endif + +/* + * ======== mem_ext_phys_pool_init ======== + * Purpose: + * Uses the physical memory chunk passed for internal consitent memory + * allocations. + * physical address based on the page frame address. + * Parameters: + * poolPhysBase starting address of the physical memory pool. + * poolSize size of the physical memory pool. + * Returns: + * none. + * Requires: + * - MEM initialized. + * - valid physical address for the base and size > 0 + */ +extern void mem_ext_phys_pool_init(IN u32 poolPhysBase, IN u32 poolSize); + +/* + * ======== mem_ext_phys_pool_release ======== + */ +extern void mem_ext_phys_pool_release(void); + +/* ======== mem_alloc_phys_mem ======== + * Purpose: + * Allocate physically contiguous, uncached memory + * Parameters: + * byte_size: Number of bytes to allocate. + * ulAlign: Alignment Mask. + * pPhysicalAddress: Physical address of allocated memory. + * Returns: + * Pointer to a block of memory; + * NULL if memory couldn't be allocated, or if byte_size == 0. + * Requires: + * MEM initialized. + * Ensures: + * The returned pointer, if not NULL, points to a valid memory block of + * the size requested. Returned physical address refers to physical + * location of memory. + */ +extern void *mem_alloc_phys_mem(IN u32 byte_size, + IN u32 ulAlign, OUT u32 *pPhysicalAddress); + +/* + * ======== mem_free_phys_mem ======== + * Purpose: + * Free the given block of physically contiguous memory. + * Parameters: + * pVirtualAddress: Pointer to virtual memory region allocated + * by mem_alloc_phys_mem(). + * pPhysicalAddress: Pointer to physical memory region allocated + * by mem_alloc_phys_mem(). + * byte_size: Size of the memory region allocated by mem_alloc_phys_mem(). + * Returns: + * Requires: + * MEM initialized. + * pVirtualAddress is a valid memory address returned by + * mem_alloc_phys_mem() + * Ensures: + * pVirtualAddress is no longer a valid pointer to memory. + */ +extern void mem_free_phys_mem(void *pVirtualAddress, + u32 pPhysicalAddress, u32 byte_size); + +/* + * ======== MEM_LINEAR_ADDRESS ======== + * Purpose: + * Get the linear address corresponding to the given physical address. + * Parameters: + * pPhysAddr: Physical address to be mapped. + * byte_size: Number of bytes in physical range to map. + * Returns: + * The corresponding linear address, or NULL if unsuccessful. + * Requires: + * MEM initialized. + * Ensures: + * Notes: + * If valid linear address is returned, be sure to call + * MEM_UNMAP_LINEAR_ADDRESS(). + */ +#define MEM_LINEAR_ADDRESS(pPhyAddr, byte_size) pPhyAddr + +/* + * ======== MEM_UNMAP_LINEAR_ADDRESS ======== + * Purpose: + * Unmap the linear address mapped in MEM_LINEAR_ADDRESS. + * Parameters: + * pBaseAddr: Ptr to mapped memory (as returned by MEM_LINEAR_ADDRESS()). + * Returns: + * Requires: + * - MEM initialized. + * - pBaseAddr is a valid linear address mapped in MEM_LINEAR_ADDRESS. + * Ensures: + * - pBaseAddr no longer points to a valid linear address. + */ +#define MEM_UNMAP_LINEAR_ADDRESS(pBaseAddr) {} + +#endif /* DRV_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/drvdefs.h b/drivers/staging/tidspbridge/include/dspbridge/drvdefs.h new file mode 100644 index 0000000..2920917 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/drvdefs.h @@ -0,0 +1,25 @@ +/* + * drvdefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Definition of common struct between dspdefs.h and drv.h. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DRVDEFS_ +#define DRVDEFS_ + +/* Bridge Driver Object */ +struct drv_object; + +#endif /* DRVDEFS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dspapi-ioctl.h b/drivers/staging/tidspbridge/include/dspbridge/dspapi-ioctl.h new file mode 100644 index 0000000..cc4e75b --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dspapi-ioctl.h @@ -0,0 +1,475 @@ +/* + * dspapi-ioctl.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Contains structures and commands that are used for interaction + * between the DDSP API and Bridge driver. + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DSPAPIIOCTL_ +#define DSPAPIIOCTL_ + +#include <dspbridge/cmm.h> +#include <dspbridge/strmdefs.h> +#include <dspbridge/dbdcd.h> + +union Trapped_Args { + + /* MGR Module */ + struct { + u32 node_id; + struct dsp_ndbprops __user *pndb_props; + u32 undb_props_size; + u32 __user *pu_num_nodes; + } args_mgr_enumnode_info; + + struct { + u32 processor_id; + struct dsp_processorinfo __user *processor_info; + u32 processor_info_size; + u32 __user *pu_num_procs; + } args_mgr_enumproc_info; + + struct { + struct dsp_uuid *uuid_obj; + enum dsp_dcdobjtype obj_type; + char *psz_path_name; + } args_mgr_registerobject; + + struct { + struct dsp_uuid *uuid_obj; + enum dsp_dcdobjtype obj_type; + } args_mgr_unregisterobject; + + struct { + struct dsp_notification __user *__user *anotifications; + u32 count; + u32 __user *pu_index; + u32 utimeout; + } args_mgr_wait; + + /* PROC Module */ + struct { + u32 processor_id; + struct dsp_processorattrin __user *attr_in; + void *__user *ph_processor; + } args_proc_attach; + + struct { + void *hprocessor; + u32 dw_cmd; + struct dsp_cbdata __user *pargs; + } args_proc_ctrl; + + struct { + void *hprocessor; + } args_proc_detach; + + struct { + void *hprocessor; + void *__user *node_tab; + u32 node_tab_size; + u32 __user *pu_num_nodes; + u32 __user *pu_allocated; + } args_proc_enumnode_info; + + struct { + void *hprocessor; + u32 resource_type; + struct dsp_resourceinfo *resource_info; + u32 resource_info_size; + } args_proc_enumresources; + + struct { + void *hprocessor; + struct dsp_processorstate __user *proc_state_obj; + u32 state_info_size; + } args_proc_getstate; + + struct { + void *hprocessor; + u8 __user *pbuf; + u8 __user *psize; + u32 max_size; + } args_proc_gettrace; + + struct { + void *hprocessor; + s32 argc_index; + char __user *__user *user_args; + char *__user *user_envp; + } args_proc_load; + + struct { + void *hprocessor; + u32 event_mask; + u32 notify_type; + struct dsp_notification __user *hnotification; + } args_proc_register_notify; + + struct { + void *hprocessor; + } args_proc_start; + + struct { + void *hprocessor; + u32 ul_size; + void *__user *pp_rsv_addr; + } args_proc_rsvmem; + + struct { + void *hprocessor; + u32 ul_size; + void *prsv_addr; + } args_proc_unrsvmem; + + struct { + void *hprocessor; + void *pmpu_addr; + u32 ul_size; + void *req_addr; + void *__user *pp_map_addr; + u32 ul_map_attr; + } args_proc_mapmem; + + struct { + void *hprocessor; + u32 ul_size; + void *map_addr; + } args_proc_unmapmem; + + struct { + void *hprocessor; + void *pmpu_addr; + u32 ul_size; + u32 dir; + } args_proc_dma; + + struct { + void *hprocessor; + void *pmpu_addr; + u32 ul_size; + u32 ul_flags; + } args_proc_flushmemory; + + struct { + void *hprocessor; + } args_proc_stop; + + struct { + void *hprocessor; + void *pmpu_addr; + u32 ul_size; + } args_proc_invalidatememory; + + /* NODE Module */ + struct { + void *hprocessor; + struct dsp_uuid __user *node_id_ptr; + struct dsp_cbdata __user *pargs; + struct dsp_nodeattrin __user *attr_in; + void *__user *ph_node; + } args_node_allocate; + + struct { + void *hnode; + u32 usize; + struct dsp_bufferattr __user *pattr; + u8 *__user *pbuffer; + } args_node_allocmsgbuf; + + struct { + void *hnode; + s32 prio; + } args_node_changepriority; + + struct { + void *hnode; + u32 stream_id; + void *other_node; + u32 other_stream; + struct dsp_strmattr __user *pattrs; + struct dsp_cbdata __user *conn_param; + } args_node_connect; + + struct { + void *hnode; + } args_node_create; + + struct { + void *hnode; + } args_node_delete; + + struct { + void *hnode; + struct dsp_bufferattr __user *pattr; + u8 *pbuffer; + } args_node_freemsgbuf; + + struct { + void *hnode; + struct dsp_nodeattr __user *pattr; + u32 attr_size; + } args_node_getattr; + + struct { + void *hnode; + struct dsp_msg __user *message; + u32 utimeout; + } args_node_getmessage; + + struct { + void *hnode; + } args_node_pause; + + struct { + void *hnode; + struct dsp_msg __user *message; + u32 utimeout; + } args_node_putmessage; + + struct { + void *hnode; + u32 event_mask; + u32 notify_type; + struct dsp_notification __user *hnotification; + } args_node_registernotify; + + struct { + void *hnode; + } args_node_run; + + struct { + void *hnode; + int __user *pstatus; + } args_node_terminate; + + struct { + void *hprocessor; + struct dsp_uuid __user *node_id_ptr; + struct dsp_ndbprops __user *node_props; + } args_node_getuuidprops; + + /* STRM module */ + + struct { + void *hstream; + u32 usize; + u8 *__user *ap_buffer; + u32 num_bufs; + } args_strm_allocatebuffer; + + struct { + void *hstream; + } args_strm_close; + + struct { + void *hstream; + u8 *__user *ap_buffer; + u32 num_bufs; + } args_strm_freebuffer; + + struct { + void *hstream; + void **ph_event; + } args_strm_geteventhandle; + + struct { + void *hstream; + struct stream_info __user *stream_info; + u32 stream_info_size; + } args_strm_getinfo; + + struct { + void *hstream; + bool flush_flag; + } args_strm_idle; + + struct { + void *hstream; + u8 *pbuffer; + u32 dw_bytes; + u32 dw_buf_size; + u32 dw_arg; + } args_strm_issue; + + struct { + void *hnode; + u32 direction; + u32 index; + struct strm_attr __user *attr_in; + void *__user *ph_stream; + } args_strm_open; + + struct { + void *hstream; + u8 *__user *buf_ptr; + u32 __user *bytes; + u32 __user *buf_size_ptr; + u32 __user *pdw_arg; + } args_strm_reclaim; + + struct { + void *hstream; + u32 event_mask; + u32 notify_type; + struct dsp_notification __user *hnotification; + } args_strm_registernotify; + + struct { + void *__user *stream_tab; + u32 strm_num; + u32 __user *pmask; + u32 utimeout; + } args_strm_select; + + /* CMM Module */ + struct { + struct cmm_object *hcmm_mgr; + u32 usize; + struct cmm_attrs *pattrs; + OUT void **pp_buf_va; + } args_cmm_allocbuf; + + struct { + struct cmm_object *hcmm_mgr; + void *buf_pa; + u32 ul_seg_id; + } args_cmm_freebuf; + + struct { + void *hprocessor; + struct cmm_object *__user *ph_cmm_mgr; + } args_cmm_gethandle; + + struct { + struct cmm_object *hcmm_mgr; + struct cmm_info __user *cmm_info_obj; + } args_cmm_getinfo; + + /* UTIL module */ + struct { + s32 util_argc; + char **pp_argv; + } args_util_testdll; +}; + +/* + * Dspbridge Ioctl numbering scheme + * + * 7 0 + * --------------------------------- + * | Module | Ioctl Number | + * --------------------------------- + * | x | x | x | 0 | 0 | 0 | 0 | 0 | + * --------------------------------- + */ + +/* Ioctl driver identifier */ +#define DB 0xDB + +/* + * Following are used to distinguish between module ioctls, this is needed + * in case new ioctls are introduced. + */ +#define DB_MODULE_MASK 0xE0 +#define DB_IOC_MASK 0x1F + +/* Ioctl module masks */ +#define DB_MGR 0x0 +#define DB_PROC 0x20 +#define DB_NODE 0x40 +#define DB_STRM 0x60 +#define DB_CMM 0x80 + +#define DB_MODULE_SHIFT 5 + +/* Used to calculate the ioctl per dspbridge module */ +#define DB_IOC(module, num) \ + (((module) & DB_MODULE_MASK) | ((num) & DB_IOC_MASK)) +/* Used to get dspbridge ioctl module */ +#define DB_GET_MODULE(cmd) ((cmd) & DB_MODULE_MASK) +/* Used to get dspbridge ioctl number */ +#define DB_GET_IOC(cmd) ((cmd) & DB_IOC_MASK) + +/* TODO: Remove deprecated and not implemented */ + +/* MGR Module */ +#define MGR_ENUMNODE_INFO _IOWR(DB, DB_IOC(DB_MGR, 0), unsigned long) +#define MGR_ENUMPROC_INFO _IOWR(DB, DB_IOC(DB_MGR, 1), unsigned long) +#define MGR_REGISTEROBJECT _IOWR(DB, DB_IOC(DB_MGR, 2), unsigned long) +#define MGR_UNREGISTEROBJECT _IOWR(DB, DB_IOC(DB_MGR, 3), unsigned long) +#define MGR_WAIT _IOWR(DB, DB_IOC(DB_MGR, 4), unsigned long) +/* MGR_GET_PROC_RES Deprecated */ +#define MGR_GET_PROC_RES _IOR(DB, DB_IOC(DB_MGR, 5), unsigned long) + +/* PROC Module */ +#define PROC_ATTACH _IOWR(DB, DB_IOC(DB_PROC, 0), unsigned long) +#define PROC_CTRL _IOR(DB, DB_IOC(DB_PROC, 1), unsigned long) +/* PROC_DETACH Deprecated */ +#define PROC_DETACH _IOR(DB, DB_IOC(DB_PROC, 2), unsigned long) +#define PROC_ENUMNODE _IOWR(DB, DB_IOC(DB_PROC, 3), unsigned long) +#define PROC_ENUMRESOURCES _IOWR(DB, DB_IOC(DB_PROC, 4), unsigned long) +#define PROC_GET_STATE _IOWR(DB, DB_IOC(DB_PROC, 5), unsigned long) +#define PROC_GET_TRACE _IOWR(DB, DB_IOC(DB_PROC, 6), unsigned long) +#define PROC_LOAD _IOW(DB, DB_IOC(DB_PROC, 7), unsigned long) +#define PROC_REGISTERNOTIFY _IOWR(DB, DB_IOC(DB_PROC, 8), unsigned long) +#define PROC_START _IOW(DB, DB_IOC(DB_PROC, 9), unsigned long) +#define PROC_RSVMEM _IOWR(DB, DB_IOC(DB_PROC, 10), unsigned long) +#define PROC_UNRSVMEM _IOW(DB, DB_IOC(DB_PROC, 11), unsigned long) +#define PROC_MAPMEM _IOWR(DB, DB_IOC(DB_PROC, 12), unsigned long) +#define PROC_UNMAPMEM _IOR(DB, DB_IOC(DB_PROC, 13), unsigned long) +#define PROC_FLUSHMEMORY _IOW(DB, DB_IOC(DB_PROC, 14), unsigned long) +#define PROC_STOP _IOWR(DB, DB_IOC(DB_PROC, 15), unsigned long) +#define PROC_INVALIDATEMEMORY _IOW(DB, DB_IOC(DB_PROC, 16), unsigned long) +#define PROC_BEGINDMA _IOW(DB, DB_IOC(DB_PROC, 17), unsigned long) +#define PROC_ENDDMA _IOW(DB, DB_IOC(DB_PROC, 18), unsigned long) + +/* NODE Module */ +#define NODE_ALLOCATE _IOWR(DB, DB_IOC(DB_NODE, 0), unsigned long) +#define NODE_ALLOCMSGBUF _IOWR(DB, DB_IOC(DB_NODE, 1), unsigned long) +#define NODE_CHANGEPRIORITY _IOW(DB, DB_IOC(DB_NODE, 2), unsigned long) +#define NODE_CONNECT _IOW(DB, DB_IOC(DB_NODE, 3), unsigned long) +#define NODE_CREATE _IOW(DB, DB_IOC(DB_NODE, 4), unsigned long) +#define NODE_DELETE _IOW(DB, DB_IOC(DB_NODE, 5), unsigned long) +#define NODE_FREEMSGBUF _IOW(DB, DB_IOC(DB_NODE, 6), unsigned long) +#define NODE_GETATTR _IOWR(DB, DB_IOC(DB_NODE, 7), unsigned long) +#define NODE_GETMESSAGE _IOWR(DB, DB_IOC(DB_NODE, 8), unsigned long) +#define NODE_PAUSE _IOW(DB, DB_IOC(DB_NODE, 9), unsigned long) +#define NODE_PUTMESSAGE _IOW(DB, DB_IOC(DB_NODE, 10), unsigned long) +#define NODE_REGISTERNOTIFY _IOWR(DB, DB_IOC(DB_NODE, 11), unsigned long) +#define NODE_RUN _IOW(DB, DB_IOC(DB_NODE, 12), unsigned long) +#define NODE_TERMINATE _IOWR(DB, DB_IOC(DB_NODE, 13), unsigned long) +#define NODE_GETUUIDPROPS _IOWR(DB, DB_IOC(DB_NODE, 14), unsigned long) + +/* STRM Module */ +#define STRM_ALLOCATEBUFFER _IOWR(DB, DB_IOC(DB_STRM, 0), unsigned long) +#define STRM_CLOSE _IOW(DB, DB_IOC(DB_STRM, 1), unsigned long) +#define STRM_FREEBUFFER _IOWR(DB, DB_IOC(DB_STRM, 2), unsigned long) +#define STRM_GETEVENTHANDLE _IO(DB, DB_IOC(DB_STRM, 3)) /* Not Impl'd */ +#define STRM_GETINFO _IOWR(DB, DB_IOC(DB_STRM, 4), unsigned long) +#define STRM_IDLE _IOW(DB, DB_IOC(DB_STRM, 5), unsigned long) +#define STRM_ISSUE _IOW(DB, DB_IOC(DB_STRM, 6), unsigned long) +#define STRM_OPEN _IOWR(DB, DB_IOC(DB_STRM, 7), unsigned long) +#define STRM_RECLAIM _IOWR(DB, DB_IOC(DB_STRM, 8), unsigned long) +#define STRM_REGISTERNOTIFY _IOWR(DB, DB_IOC(DB_STRM, 9), unsigned long) +#define STRM_SELECT _IOWR(DB, DB_IOC(DB_STRM, 10), unsigned long) + +/* CMM Module */ +#define CMM_ALLOCBUF _IO(DB, DB_IOC(DB_CMM, 0)) /* Not Impl'd */ +#define CMM_FREEBUF _IO(DB, DB_IOC(DB_CMM, 1)) /* Not Impl'd */ +#define CMM_GETHANDLE _IOR(DB, DB_IOC(DB_CMM, 2), unsigned long) +#define CMM_GETINFO _IOR(DB, DB_IOC(DB_CMM, 3), unsigned long) + +#endif /* DSPAPIIOCTL_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dspapi.h b/drivers/staging/tidspbridge/include/dspbridge/dspapi.h new file mode 100644 index 0000000..f84ac69 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dspapi.h @@ -0,0 +1,167 @@ +/* + * dspapi.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Includes the wrapper functions called directly by the + * DeviceIOControl interface. + * + * Notes: + * Bridge services exported to Bridge driver are initialized by the DSPAPI on + * behalf of the Bridge driver. Bridge driver must not call module Init/Exit + * functions. + * + * To ensure Bridge driver binary compatibility across different platforms, + * for the same processor, a Bridge driver must restrict its usage of system + * services to those exported by the DSPAPI library. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DSPAPI_ +#define DSPAPI_ + +#include <dspbridge/dspapi-ioctl.h> + +/* This BRD API Library Version: */ +#define BRD_API_MAJOR_VERSION (u32)8 /* .8x - Alpha, .9x - Beta, 1.x FCS */ +#define BRD_API_MINOR_VERSION (u32)0 + +/* + * ======== api_call_dev_ioctl ======== + * Purpose: + * Call the (wrapper) function for the corresponding API IOCTL. + * Parameters: + * cmd: IOCTL id, base 0. + * args: Argument structure. + * pResult: + * Returns: + * 0 if command called; -EINVAL if command not in IOCTL + * table. + * Requires: + * Ensures: + */ +extern int api_call_dev_ioctl(unsigned int cmd, + union Trapped_Args *args, + u32 *pResult, void *pr_ctxt); + +/* + * ======== api_init ======== + * Purpose: + * Initialize modules used by Bridge API. + * This procedure is called when the driver is loaded. + * Parameters: + * Returns: + * TRUE if success; FALSE otherwise. + * Requires: + * Ensures: + */ +extern bool api_init(void); + +/* + * ======== api_init_complete2 ======== + * Purpose: + * Perform any required bridge initialization which cannot + * be performed in api_init() or dev_start_device() due + * to the fact that some services are not yet + * completely initialized. + * Parameters: + * Returns: + * 0: Allow this device to load + * -EPERM: Failure. + * Requires: + * Bridge API initialized. + * Ensures: + */ +extern int api_init_complete2(void); + +/* + * ======== api_exit ======== + * Purpose: + * Exit all modules initialized in api_init(void). + * This procedure is called when the driver is unloaded. + * Parameters: + * Returns: + * Requires: + * api_init(void) was previously called. + * Ensures: + * Resources acquired in api_init(void) are freed. + */ +extern void api_exit(void); + +/* MGR wrapper functions */ +extern u32 mgrwrap_enum_node_info(union Trapped_Args *args, void *pr_ctxt); +extern u32 mgrwrap_enum_proc_info(union Trapped_Args *args, void *pr_ctxt); +extern u32 mgrwrap_register_object(union Trapped_Args *args, void *pr_ctxt); +extern u32 mgrwrap_unregister_object(union Trapped_Args *args, void *pr_ctxt); +extern u32 mgrwrap_wait_for_bridge_events(union Trapped_Args *args, + void *pr_ctxt); + +extern u32 mgrwrap_get_process_resources_info(union Trapped_Args *args, + void *pr_ctxt); + +/* CPRC (Processor) wrapper Functions */ +extern u32 procwrap_attach(union Trapped_Args *args, void *pr_ctxt); +extern u32 procwrap_ctrl(union Trapped_Args *args, void *pr_ctxt); +extern u32 procwrap_detach(union Trapped_Args *args, void *pr_ctxt); +extern u32 procwrap_enum_node_info(union Trapped_Args *args, void *pr_ctxt); +extern u32 procwrap_enum_resources(union Trapped_Args *args, void *pr_ctxt); +extern u32 procwrap_get_state(union Trapped_Args *args, void *pr_ctxt); +extern u32 procwrap_get_trace(union Trapped_Args *args, void *pr_ctxt); +extern u32 procwrap_load(union Trapped_Args *args, void *pr_ctxt); +extern u32 procwrap_register_notify(union Trapped_Args *args, void *pr_ctxt); +extern u32 procwrap_start(union Trapped_Args *args, void *pr_ctxt); +extern u32 procwrap_reserve_memory(union Trapped_Args *args, void *pr_ctxt); +extern u32 procwrap_un_reserve_memory(union Trapped_Args *args, void *pr_ctxt); +extern u32 procwrap_map(union Trapped_Args *args, void *pr_ctxt); +extern u32 procwrap_un_map(union Trapped_Args *args, void *pr_ctxt); +extern u32 procwrap_flush_memory(union Trapped_Args *args, void *pr_ctxt); +extern u32 procwrap_stop(union Trapped_Args *args, void *pr_ctxt); +extern u32 procwrap_invalidate_memory(union Trapped_Args *args, void *pr_ctxt); +extern u32 procwrap_begin_dma(union Trapped_Args *args, void *pr_ctxt); +extern u32 procwrap_end_dma(union Trapped_Args *args, void *pr_ctxt); + +/* NODE wrapper functions */ +extern u32 nodewrap_allocate(union Trapped_Args *args, void *pr_ctxt); +extern u32 nodewrap_alloc_msg_buf(union Trapped_Args *args, void *pr_ctxt); +extern u32 nodewrap_change_priority(union Trapped_Args *args, void *pr_ctxt); +extern u32 nodewrap_connect(union Trapped_Args *args, void *pr_ctxt); +extern u32 nodewrap_create(union Trapped_Args *args, void *pr_ctxt); +extern u32 nodewrap_delete(union Trapped_Args *args, void *pr_ctxt); +extern u32 nodewrap_free_msg_buf(union Trapped_Args *args, void *pr_ctxt); +extern u32 nodewrap_get_attr(union Trapped_Args *args, void *pr_ctxt); +extern u32 nodewrap_get_message(union Trapped_Args *args, void *pr_ctxt); +extern u32 nodewrap_pause(union Trapped_Args *args, void *pr_ctxt); +extern u32 nodewrap_put_message(union Trapped_Args *args, void *pr_ctxt); +extern u32 nodewrap_register_notify(union Trapped_Args *args, void *pr_ctxt); +extern u32 nodewrap_run(union Trapped_Args *args, void *pr_ctxt); +extern u32 nodewrap_terminate(union Trapped_Args *args, void *pr_ctxt); +extern u32 nodewrap_get_uuid_props(union Trapped_Args *args, void *pr_ctxt); + +/* STRM wrapper functions */ +extern u32 strmwrap_allocate_buffer(union Trapped_Args *args, void *pr_ctxt); +extern u32 strmwrap_close(union Trapped_Args *args, void *pr_ctxt); +extern u32 strmwrap_free_buffer(union Trapped_Args *args, void *pr_ctxt); +extern u32 strmwrap_get_event_handle(union Trapped_Args *args, void *pr_ctxt); +extern u32 strmwrap_get_info(union Trapped_Args *args, void *pr_ctxt); +extern u32 strmwrap_idle(union Trapped_Args *args, void *pr_ctxt); +extern u32 strmwrap_issue(union Trapped_Args *args, void *pr_ctxt); +extern u32 strmwrap_open(union Trapped_Args *args, void *pr_ctxt); +extern u32 strmwrap_reclaim(union Trapped_Args *args, void *pr_ctxt); +extern u32 strmwrap_register_notify(union Trapped_Args *args, void *pr_ctxt); +extern u32 strmwrap_select(union Trapped_Args *args, void *pr_ctxt); + +extern u32 cmmwrap_calloc_buf(union Trapped_Args *args, void *pr_ctxt); +extern u32 cmmwrap_free_buf(union Trapped_Args *args, void *pr_ctxt); +extern u32 cmmwrap_get_handle(union Trapped_Args *args, void *pr_ctxt); +extern u32 cmmwrap_get_info(union Trapped_Args *args, void *pr_ctxt); + +#endif /* DSPAPI_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dspchnl.h b/drivers/staging/tidspbridge/include/dspbridge/dspchnl.h new file mode 100644 index 0000000..5661bca --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dspchnl.h @@ -0,0 +1,72 @@ +/* + * dspchnl.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Declares the upper edge channel class library functions required by + * all Bridge driver / DSP API driver interface tables. These functions are + * implemented by every class of Bridge channel library. + * + * Notes: + * The function comment headers reside in dspdefs.h. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DSPCHNL_ +#define DSPCHNL_ + +extern int bridge_chnl_create(OUT struct chnl_mgr **phChnlMgr, + struct dev_object *hdev_obj, + IN CONST struct chnl_mgrattrs + *pMgrAttrs); + +extern int bridge_chnl_destroy(struct chnl_mgr *hchnl_mgr); + +extern int bridge_chnl_open(OUT struct chnl_object **phChnl, + struct chnl_mgr *hchnl_mgr, + s8 chnl_mode, + u32 uChnlId, + CONST IN OPTIONAL struct chnl_attr + *pattrs); + +extern int bridge_chnl_close(struct chnl_object *chnl_obj); + +extern int bridge_chnl_add_io_req(struct chnl_object *chnl_obj, + void *pHostBuf, + u32 byte_size, u32 buf_size, + OPTIONAL u32 dw_dsp_addr, u32 dw_arg); + +extern int bridge_chnl_get_ioc(struct chnl_object *chnl_obj, + u32 dwTimeOut, OUT struct chnl_ioc *pIOC); + +extern int bridge_chnl_cancel_io(struct chnl_object *chnl_obj); + +extern int bridge_chnl_flush_io(struct chnl_object *chnl_obj, + u32 dwTimeOut); + +extern int bridge_chnl_get_info(struct chnl_object *chnl_obj, + OUT struct chnl_info *pInfo); + +extern int bridge_chnl_get_mgr_info(struct chnl_mgr *hchnl_mgr, + u32 uChnlID, OUT struct chnl_mgrinfo + *pMgrInfo); + +extern int bridge_chnl_idle(struct chnl_object *chnl_obj, + u32 dwTimeOut, bool fFlush); + +extern int bridge_chnl_register_notify(struct chnl_object *chnl_obj, + u32 event_mask, + u32 notify_type, + struct dsp_notification + *hnotification); + +#endif /* DSPCHNL_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dspdefs.h b/drivers/staging/tidspbridge/include/dspbridge/dspdefs.h new file mode 100644 index 0000000..493f62e --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dspdefs.h @@ -0,0 +1,1128 @@ +/* + * dspdefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Bridge driver entry point and interface function declarations. + * + * Notes: + * The DSP API obtains it's function interface to + * the Bridge driver via a call to bridge_drv_entry(). + * + * Bridge services exported to Bridge drivers are initialized by the + * DSP API on behalf of the Bridge driver. + * + * Bridge function DBC Requires and Ensures are also made by the DSP API on + * behalf of the Bridge driver, to simplify the Bridge driver code. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DSPDEFS_ +#define DSPDEFS_ + +#include <dspbridge/brddefs.h> +#include <dspbridge/cfgdefs.h> +#include <dspbridge/chnlpriv.h> +#include <dspbridge/dehdefs.h> +#include <dspbridge/devdefs.h> +#include <dspbridge/iodefs.h> +#include <dspbridge/msgdefs.h> + +/* + * Any IOCTLS at or above this value are reserved for standard Bridge driver + * interfaces. + */ +#define BRD_RESERVEDIOCTLBASE 0x8000 + +/* Handle to Bridge driver's private device context. */ +struct bridge_dev_context; + +/*--------------------------------------------------------------------------- */ +/* BRIDGE DRIVER FUNCTION TYPES */ +/*--------------------------------------------------------------------------- */ + +/* + * ======== bridge_brd_monitor ======== + * Purpose: + * Bring the board to the BRD_IDLE (monitor) state. + * Parameters: + * hDevContext: Handle to Bridge driver defined device context. + * Returns: + * 0: Success. + * -ETIMEDOUT: Timeout occured waiting for a response from hardware. + * -EPERM: Other, unspecified error. + * Requires: + * hDevContext != NULL + * Ensures: + * 0: Board is in BRD_IDLE state; + * else: Board state is indeterminate. + */ +typedef int(*fxn_brd_monitor) (struct bridge_dev_context *hDevContext); + +/* + * ======== fxn_brd_setstate ======== + * Purpose: + * Sets the Bridge driver state + * Parameters: + * hDevContext: Handle to Bridge driver defined device info. + * ulBrdState: Board state + * Returns: + * 0: Success. + * -EPERM: Other, unspecified error. + * Requires: + * hDevContext != NULL; + * ulBrdState <= BRD_LASTSTATE. + * Ensures: + * ulBrdState <= BRD_LASTSTATE. + * Update the Board state to the specified state. + */ +typedef int(*fxn_brd_setstate) (struct bridge_dev_context + * hDevContext, u32 ulBrdState); + +/* + * ======== bridge_brd_start ======== + * Purpose: + * Bring board to the BRD_RUNNING (start) state. + * Parameters: + * hDevContext: Handle to Bridge driver defined device context. + * dwDSPAddr: DSP address at which to start execution. + * Returns: + * 0: Success. + * -ETIMEDOUT: Timeout occured waiting for a response from hardware. + * -EPERM: Other, unspecified error. + * Requires: + * hDevContext != NULL + * Board is in monitor (BRD_IDLE) state. + * Ensures: + * 0: Board is in BRD_RUNNING state. + * Interrupts to the PC are enabled. + * else: Board state is indeterminate. + */ +typedef int(*fxn_brd_start) (struct bridge_dev_context + * hDevContext, u32 dwDSPAddr); + +/* + * ======== bridge_brd_mem_copy ======== + * Purpose: + * Copy memory from one DSP address to another + * Parameters: + * dev_context: Pointer to context handle + * ulDspDestAddr: DSP address to copy to + * ulDspSrcAddr: DSP address to copy from + * ul_num_bytes: Number of bytes to copy + * ulMemType: What section of memory to copy to + * Returns: + * 0: Success. + * -EPERM: Other, unspecified error. + * Requires: + * dev_context != NULL + * Ensures: + * 0: Board is in BRD_RUNNING state. + * Interrupts to the PC are enabled. + * else: Board state is indeterminate. + */ +typedef int(*fxn_brd_memcopy) (struct bridge_dev_context + * hDevContext, + u32 ulDspDestAddr, + u32 ulDspSrcAddr, + u32 ul_num_bytes, u32 ulMemType); +/* + * ======== bridge_brd_mem_write ======== + * Purpose: + * Write a block of host memory into a DSP address, into a given memory + * space. Unlike bridge_brd_write, this API does reset the DSP + * Parameters: + * hDevContext: Handle to Bridge driver defined device info. + * dwDSPAddr: Address on DSP board (Destination). + * pHostBuf: Pointer to host buffer (Source). + * ul_num_bytes: Number of bytes to transfer. + * ulMemType: Memory space on DSP to which to transfer. + * Returns: + * 0: Success. + * -ETIMEDOUT: Timeout occured waiting for a response from hardware. + * -EPERM: Other, unspecified error. + * Requires: + * hDevContext != NULL; + * pHostBuf != NULL. + * Ensures: + */ +typedef int(*fxn_brd_memwrite) (struct bridge_dev_context + * hDevContext, + IN u8 *pHostBuf, + u32 dwDSPAddr, u32 ul_num_bytes, + u32 ulMemType); + +/* + * ======== bridge_brd_mem_map ======== + * Purpose: + * Map a MPU memory region to a DSP/IVA memory space + * Parameters: + * hDevContext: Handle to Bridge driver defined device info. + * ul_mpu_addr: MPU memory region start address. + * ulVirtAddr: DSP/IVA memory region u8 address. + * ul_num_bytes: Number of bytes to map. + * map_attrs: Mapping attributes (e.g. endianness). + * Returns: + * 0: Success. + * -EPERM: Other, unspecified error. + * Requires: + * hDevContext != NULL; + * Ensures: + */ +typedef int(*fxn_brd_memmap) (struct bridge_dev_context + * hDevContext, u32 ul_mpu_addr, + u32 ulVirtAddr, u32 ul_num_bytes, + u32 ulMapAttrs, + struct page **mapped_pages); + +/* + * ======== bridge_brd_mem_un_map ======== + * Purpose: + * UnMap an MPU memory region from DSP/IVA memory space + * Parameters: + * hDevContext: Handle to Bridge driver defined device info. + * ulVirtAddr: DSP/IVA memory region u8 address. + * ul_num_bytes: Number of bytes to unmap. + * Returns: + * 0: Success. + * -EPERM: Other, unspecified error. + * Requires: + * hDevContext != NULL; + * Ensures: + */ +typedef int(*fxn_brd_memunmap) (struct bridge_dev_context + * hDevContext, + u32 ulVirtAddr, u32 ul_num_bytes); + +/* + * ======== bridge_brd_stop ======== + * Purpose: + * Bring board to the BRD_STOPPED state. + * Parameters: + * hDevContext: Handle to Bridge driver defined device context. + * Returns: + * 0: Success. + * -ETIMEDOUT: Timeout occured waiting for a response from hardware. + * -EPERM: Other, unspecified error. + * Requires: + * hDevContext != NULL + * Ensures: + * 0: Board is in BRD_STOPPED (stop) state; + * Interrupts to the PC are disabled. + * else: Board state is indeterminate. + */ +typedef int(*fxn_brd_stop) (struct bridge_dev_context *hDevContext); + +/* + * ======== bridge_brd_status ======== + * Purpose: + * Report the current state of the board. + * Parameters: + * hDevContext: Handle to Bridge driver defined device context. + * pdwState: Ptr to BRD status variable. + * Returns: + * 0: + * Requires: + * pdwState != NULL; + * hDevContext != NULL + * Ensures: + * *pdwState is one of {BRD_STOPPED, BRD_IDLE, BRD_RUNNING, BRD_UNKNOWN}; + */ +typedef int(*fxn_brd_status) (struct bridge_dev_context *hDevContext, + int *pdwState); + +/* + * ======== bridge_brd_read ======== + * Purpose: + * Read a block of DSP memory, from a given memory space, into a host + * buffer. + * Parameters: + * hDevContext: Handle to Bridge driver defined device info. + * pHostBuf: Pointer to host buffer (Destination). + * dwDSPAddr: Address on DSP board (Source). + * ul_num_bytes: Number of bytes to transfer. + * ulMemType: Memory space on DSP from which to transfer. + * Returns: + * 0: Success. + * -ETIMEDOUT: Timeout occured waiting for a response from hardware. + * -EPERM: Other, unspecified error. + * Requires: + * hDevContext != NULL; + * pHostBuf != NULL. + * Ensures: + * Will not write more than ul_num_bytes bytes into pHostBuf. + */ +typedef int(*fxn_brd_read) (struct bridge_dev_context *hDevContext, + OUT u8 *pHostBuf, + u32 dwDSPAddr, + u32 ul_num_bytes, u32 ulMemType); + +/* + * ======== bridge_brd_write ======== + * Purpose: + * Write a block of host memory into a DSP address, into a given memory + * space. + * Parameters: + * hDevContext: Handle to Bridge driver defined device info. + * dwDSPAddr: Address on DSP board (Destination). + * pHostBuf: Pointer to host buffer (Source). + * ul_num_bytes: Number of bytes to transfer. + * ulMemType: Memory space on DSP to which to transfer. + * Returns: + * 0: Success. + * -ETIMEDOUT: Timeout occured waiting for a response from hardware. + * -EPERM: Other, unspecified error. + * Requires: + * hDevContext != NULL; + * pHostBuf != NULL. + * Ensures: + */ +typedef int(*fxn_brd_write) (struct bridge_dev_context *hDevContext, + IN u8 *pHostBuf, + u32 dwDSPAddr, + u32 ul_num_bytes, u32 ulMemType); + +/* + * ======== bridge_chnl_create ======== + * Purpose: + * Create a channel manager object, responsible for opening new channels + * and closing old ones for a given 'Bridge board. + * Parameters: + * phChnlMgr: Location to store a channel manager object on output. + * hdev_obj: Handle to a device object. + * pMgrAttrs: Channel manager attributes. + * pMgrAttrs->max_channels: Max channels + * pMgrAttrs->birq: Channel's I/O IRQ number. + * pMgrAttrs->irq_shared: TRUE if the IRQ is shareable. + * pMgrAttrs->word_size: DSP Word size in equivalent PC bytes.. + * pMgrAttrs->shm_base: Base physical address of shared memory, if any. + * pMgrAttrs->usm_length: Bytes of shared memory block. + * Returns: + * 0: Success; + * -ENOMEM: Insufficient memory for requested resources. + * -EIO: Unable to plug ISR for given IRQ. + * -EFAULT: Couldn't map physical address to a virtual one. + * Requires: + * phChnlMgr != NULL. + * pMgrAttrs != NULL + * pMgrAttrs field are all valid: + * 0 < max_channels <= CHNL_MAXCHANNELS. + * birq <= 15. + * word_size > 0. + * hdev_obj != NULL + * No channel manager exists for this board. + * Ensures: + */ +typedef int(*fxn_chnl_create) (OUT struct chnl_mgr + **phChnlMgr, + struct dev_object + * hdev_obj, + IN CONST struct + chnl_mgrattrs * pMgrAttrs); + +/* + * ======== bridge_chnl_destroy ======== + * Purpose: + * Close all open channels, and destroy the channel manager. + * Parameters: + * hchnl_mgr: Channel manager object. + * Returns: + * 0: Success. + * -EFAULT: hchnl_mgr was invalid. + * Requires: + * Ensures: + * 0: Cancels I/O on each open channel. Closes each open channel. + * chnl_create may subsequently be called for the same device. + */ +typedef int(*fxn_chnl_destroy) (struct chnl_mgr *hchnl_mgr); +/* + * ======== bridge_deh_notify ======== + * Purpose: + * When notified of DSP error, take appropriate action. + * Parameters: + * hdeh_mgr: Handle to DEH manager object. + * ulEventMask: Indicate the type of exception + * dwErrInfo: Error information + * Returns: + * + * Requires: + * hdeh_mgr != NULL; + * ulEventMask with a valid exception + * Ensures: + */ +typedef void (*fxn_deh_notify) (struct deh_mgr *hdeh_mgr, + u32 ulEventMask, u32 dwErrInfo); + +/* + * ======== bridge_chnl_open ======== + * Purpose: + * Open a new half-duplex channel to the DSP board. + * Parameters: + * phChnl: Location to store a channel object handle. + * hchnl_mgr: Handle to channel manager, as returned by + * CHNL_GetMgr(). + * chnl_mode: One of {CHNL_MODETODSP, CHNL_MODEFROMDSP} specifies + * direction of data transfer. + * uChnlId: If CHNL_PICKFREE is specified, the channel manager will + * select a free channel id (default); + * otherwise this field specifies the id of the channel. + * pattrs: Channel attributes. Attribute fields are as follows: + * pattrs->uio_reqs: Specifies the maximum number of I/O requests which can + * be pending at any given time. All request packets are + * preallocated when the channel is opened. + * pattrs->event_obj: This field allows the user to supply an auto reset + * event object for channel I/O completion notifications. + * It is the responsibility of the user to destroy this + * object AFTER closing the channel. + * This channel event object can be retrieved using + * CHNL_GetEventHandle(). + * pattrs->hReserved: The kernel mode handle of this event object. + * + * Returns: + * 0: Success. + * -EFAULT: hchnl_mgr is invalid. + * -ENOMEM: Insufficient memory for requested resources. + * -EINVAL: Invalid number of IOReqs. + * -ENOSR: No free channels available. + * -ECHRNG: Channel ID is out of range. + * -EALREADY: Channel is in use. + * -EIO: No free IO request packets available for + * queuing. + * Requires: + * phChnl != NULL. + * pattrs != NULL. + * pattrs->event_obj is a valid event handle. + * pattrs->hReserved is the kernel mode handle for pattrs->event_obj. + * Ensures: + * 0: *phChnl is a valid channel. + * else: *phChnl is set to NULL if (phChnl != NULL); + */ +typedef int(*fxn_chnl_open) (OUT struct chnl_object + **phChnl, + struct chnl_mgr *hchnl_mgr, + s8 chnl_mode, + u32 uChnlId, + CONST IN OPTIONAL struct + chnl_attr * pattrs); + +/* + * ======== bridge_chnl_close ======== + * Purpose: + * Ensures all pending I/O on this channel is cancelled, discards all + * queued I/O completion notifications, then frees the resources allocated + * for this channel, and makes the corresponding logical channel id + * available for subsequent use. + * Parameters: + * chnl_obj: Handle to a channel object. + * Returns: + * 0: Success; + * -EFAULT: Invalid chnl_obj. + * Requires: + * No thread must be blocked on this channel's I/O completion event. + * Ensures: + * 0: chnl_obj is no longer valid. + */ +typedef int(*fxn_chnl_close) (struct chnl_object *chnl_obj); + +/* + * ======== bridge_chnl_add_io_req ======== + * Purpose: + * Enqueue an I/O request for data transfer on a channel to the DSP. + * The direction (mode) is specified in the channel object. Note the DSP + * address is specified for channels opened in direct I/O mode. + * Parameters: + * chnl_obj: Channel object handle. + * pHostBuf: Host buffer address source. + * byte_size: Number of PC bytes to transfer. A zero value indicates + * that this buffer is the last in the output channel. + * A zero value is invalid for an input channel. + *! buf_size: Actual buffer size in host bytes. + * dw_dsp_addr: DSP address for transfer. (Currently ignored). + * dw_arg: A user argument that travels with the buffer. + * Returns: + * 0: Success; + * -EFAULT: Invalid chnl_obj or pHostBuf. + * -EPERM: User cannot mark EOS on an input channel. + * -ECANCELED: I/O has been cancelled on this channel. No further + * I/O is allowed. + * -EPIPE: End of stream was already marked on a previous + * IORequest on this channel. No further I/O is expected. + * -EINVAL: Buffer submitted to this output channel is larger than + * the size of the physical shared memory output window. + * Requires: + * Ensures: + * 0: The buffer will be transferred if the channel is ready; + * otherwise, will be queued for transfer when the channel becomes + * ready. In any case, notifications of I/O completion are + * asynchronous. + * If byte_size is 0 for an output channel, subsequent CHNL_AddIOReq's + * on this channel will fail with error code -EPIPE. The + * corresponding IOC for this I/O request will have its status flag + * set to CHNL_IOCSTATEOS. + */ +typedef int(*fxn_chnl_addioreq) (struct chnl_object + * chnl_obj, + void *pHostBuf, + u32 byte_size, + u32 buf_size, + OPTIONAL u32 dw_dsp_addr, u32 dw_arg); + +/* + * ======== bridge_chnl_get_ioc ======== + * Purpose: + * Dequeue an I/O completion record, which contains information about the + * completed I/O request. + * Parameters: + * chnl_obj: Channel object handle. + * dwTimeOut: A value of CHNL_IOCNOWAIT will simply dequeue the + * first available IOC. + * pIOC: On output, contains host buffer address, bytes + * transferred, and status of I/O completion. + * pIOC->status: See chnldefs.h. + * Returns: + * 0: Success. + * -EFAULT: Invalid chnl_obj or pIOC. + * -EREMOTEIO: CHNL_IOCNOWAIT was specified as the dwTimeOut parameter + * yet no I/O completions were queued. + * Requires: + * dwTimeOut == CHNL_IOCNOWAIT. + * Ensures: + * 0: if there are any remaining IOC's queued before this call + * returns, the channel event object will be left in a signalled + * state. + */ +typedef int(*fxn_chnl_getioc) (struct chnl_object *chnl_obj, + u32 dwTimeOut, + OUT struct chnl_ioc *pIOC); + +/* + * ======== bridge_chnl_cancel_io ======== + * Purpose: + * Return all I/O requests to the client which have not yet been + * transferred. The channel's I/O completion object is + * signalled, and all the I/O requests are queued as IOC's, with the + * status field set to CHNL_IOCSTATCANCEL. + * This call is typically used in abort situations, and is a prelude to + * chnl_close(); + * Parameters: + * chnl_obj: Channel object handle. + * Returns: + * 0: Success; + * -EFAULT: Invalid chnl_obj. + * Requires: + * Ensures: + * Subsequent I/O requests to this channel will not be accepted. + */ +typedef int(*fxn_chnl_cancelio) (struct chnl_object *chnl_obj); + +/* + * ======== bridge_chnl_flush_io ======== + * Purpose: + * For an output stream (to the DSP), indicates if any IO requests are in + * the output request queue. For input streams (from the DSP), will + * cancel all pending IO requests. + * Parameters: + * chnl_obj: Channel object handle. + * dwTimeOut: Timeout value for flush operation. + * Returns: + * 0: Success; + * S_CHNLIOREQUEST: Returned if any IORequests are in the output queue. + * -EFAULT: Invalid chnl_obj. + * Requires: + * Ensures: + * 0: No I/O requests will be pending on this channel. + */ +typedef int(*fxn_chnl_flushio) (struct chnl_object *chnl_obj, + u32 dwTimeOut); + +/* + * ======== bridge_chnl_get_info ======== + * Purpose: + * Retrieve information related to a channel. + * Parameters: + * chnl_obj: Handle to a valid channel object, or NULL. + * pInfo: Location to store channel info. + * Returns: + * 0: Success; + * -EFAULT: Invalid chnl_obj or pInfo. + * Requires: + * Ensures: + * 0: pInfo points to a filled in chnl_info struct, + * if (pInfo != NULL). + */ +typedef int(*fxn_chnl_getinfo) (struct chnl_object *chnl_obj, + OUT struct chnl_info *pChnlInfo); + +/* + * ======== bridge_chnl_get_mgr_info ======== + * Purpose: + * Retrieve information related to the channel manager. + * Parameters: + * hchnl_mgr: Handle to a valid channel manager, or NULL. + * uChnlID: Channel ID. + * pMgrInfo: Location to store channel manager info. + * Returns: + * 0: Success; + * -EFAULT: Invalid hchnl_mgr or pMgrInfo. + * -ECHRNG: Invalid channel ID. + * Requires: + * Ensures: + * 0: pMgrInfo points to a filled in chnl_mgrinfo + * struct, if (pMgrInfo != NULL). + */ +typedef int(*fxn_chnl_getmgrinfo) (struct chnl_mgr + * hchnl_mgr, + u32 uChnlID, + OUT struct chnl_mgrinfo *pMgrInfo); + +/* + * ======== bridge_chnl_idle ======== + * Purpose: + * Idle a channel. If this is an input channel, or if this is an output + * channel and fFlush is TRUE, all currently enqueued buffers will be + * dequeued (data discarded for output channel). + * If this is an output channel and fFlush is FALSE, this function + * will block until all currently buffered data is output, or the timeout + * specified has been reached. + * + * Parameters: + * chnl_obj: Channel object handle. + * dwTimeOut: If output channel and fFlush is FALSE, timeout value + * to wait for buffers to be output. (Not used for + * input channel). + * fFlush: If output channel and fFlush is TRUE, discard any + * currently buffered data. If FALSE, wait for currently + * buffered data to be output, or timeout, whichever + * occurs first. fFlush is ignored for input channel. + * Returns: + * 0: Success; + * -EFAULT: Invalid chnl_obj. + * -ETIMEDOUT: Timeout occured before channel could be idled. + * Requires: + * Ensures: + */ +typedef int(*fxn_chnl_idle) (struct chnl_object *chnl_obj, + u32 dwTimeOut, bool fFlush); + +/* + * ======== bridge_chnl_register_notify ======== + * Purpose: + * Register for notification of events on a channel. + * Parameters: + * chnl_obj: Channel object handle. + * event_mask: Type of events to be notified about: IO completion + * (DSP_STREAMIOCOMPLETION) or end of stream + * (DSP_STREAMDONE). + * notify_type: DSP_SIGNALEVENT. + * hnotification: Handle of a dsp_notification object. + * Returns: + * 0: Success. + * -ENOMEM: Insufficient memory. + * -EINVAL: event_mask is 0 and hnotification was not + * previously registered. + * -EFAULT: NULL hnotification, hnotification event name + * too long, or hnotification event name NULL. + * Requires: + * Valid chnl_obj. + * hnotification != NULL. + * (event_mask & ~(DSP_STREAMIOCOMPLETION | DSP_STREAMDONE)) == 0. + * notify_type == DSP_SIGNALEVENT. + * Ensures: + */ +typedef int(*fxn_chnl_registernotify) + (struct chnl_object *chnl_obj, + u32 event_mask, u32 notify_type, struct dsp_notification *hnotification); + +/* + * ======== bridge_dev_create ======== + * Purpose: + * Complete creation of the device object for this board. + * Parameters: + * phDevContext: Ptr to location to store a Bridge device context. + * hdev_obj: Handle to a Device Object, created and managed by DSP API. + * pConfig: Ptr to configuration parameters provided by the + * Configuration Manager during device loading. + * pDspConfig: DSP resources, as specified in the registry key for this + * device. + * Returns: + * 0: Success. + * -ENOMEM: Unable to allocate memory for device context. + * Requires: + * phDevContext != NULL; + * hdev_obj != NULL; + * pConfig != NULL; + * pDspConfig != NULL; + * Fields in pConfig and pDspConfig contain valid values. + * Ensures: + * 0: All Bridge driver specific DSP resource and other + * board context has been allocated. + * -ENOMEM: Bridge failed to allocate resources. + * Any acquired resources have been freed. The DSP API + * will not call bridge_dev_destroy() if + * bridge_dev_create() fails. + * Details: + * Called during the CONFIGMG's Device_Init phase. Based on host and + * DSP configuration information, create a board context, a handle to + * which is passed into other Bridge BRD and CHNL functions. The + * board context contains state information for the device. Since the + * addresses of all IN pointer parameters may be invalid when this + * function returns, they must not be stored into the device context + * structure. + */ +typedef int(*fxn_dev_create) (OUT struct bridge_dev_context + **phDevContext, + struct dev_object + * hdev_obj, + IN struct cfg_hostres + * pConfig); + +/* + * ======== bridge_dev_ctrl ======== + * Purpose: + * Bridge driver specific interface. + * Parameters: + * hDevContext: Handle to Bridge driver defined device info. + * dw_cmd: Bridge driver defined command code. + * pargs: Pointer to an arbitrary argument structure. + * Returns: + * 0 or -EPERM. Actual command error codes should be passed back in + * the pargs structure, and are defined by the Bridge driver implementor. + * Requires: + * All calls are currently assumed to be synchronous. There are no + * IOCTL completion routines provided. + * Ensures: + */ +typedef int(*fxn_dev_ctrl) (struct bridge_dev_context *hDevContext, + u32 dw_cmd, IN OUT void *pargs); + +/* + * ======== bridge_dev_destroy ======== + * Purpose: + * Deallocate Bridge device extension structures and all other resources + * acquired by the Bridge driver. + * No calls to other Bridge driver functions may subsequently + * occur, except for bridge_dev_create(). + * Parameters: + * hDevContext: Handle to Bridge driver defined device information. + * Returns: + * 0: Success. + * -EPERM: Failed to release a resource previously acquired. + * Requires: + * hDevContext != NULL; + * Ensures: + * 0: Device context is freed. + */ +typedef int(*fxn_dev_destroy) (struct bridge_dev_context *hDevContext); + +/* + * ======== bridge_deh_create ======== + * Purpose: + * Create an object that manages DSP exceptions from the GPP. + * Parameters: + * phDehMgr: Location to store DEH manager on output. + * hdev_obj: Handle to DEV object. + * Returns: + * 0: Success. + * -ENOMEM: Memory allocation failure. + * -EPERM: Creation failed. + * Requires: + * hdev_obj != NULL; + * phDehMgr != NULL; + * Ensures: + */ +typedef int(*fxn_deh_create) (OUT struct deh_mgr + **phDehMgr, struct dev_object *hdev_obj); + +/* + * ======== bridge_deh_destroy ======== + * Purpose: + * Destroy the DEH object. + * Parameters: + * hdeh_mgr: Handle to DEH manager object. + * Returns: + * 0: Success. + * -EPERM: Destroy failed. + * Requires: + * hdeh_mgr != NULL; + * Ensures: + */ +typedef int(*fxn_deh_destroy) (struct deh_mgr *hdeh_mgr); + +/* + * ======== bridge_deh_register_notify ======== + * Purpose: + * Register for DEH event notification. + * Parameters: + * hdeh_mgr: Handle to DEH manager object. + * Returns: + * 0: Success. + * -EPERM: Destroy failed. + * Requires: + * hdeh_mgr != NULL; + * Ensures: + */ +typedef int(*fxn_deh_registernotify) + (struct deh_mgr *hdeh_mgr, + u32 event_mask, u32 notify_type, struct dsp_notification *hnotification); + +/* + * ======== bridge_deh_get_info ======== + * Purpose: + * Get DSP exception info. + * Parameters: + * phDehMgr: Location to store DEH manager on output. + * pErrInfo: Ptr to error info structure. + * Returns: + * 0: Success. + * -EPERM: Creation failed. + * Requires: + * phDehMgr != NULL; + * pErrorInfo != NULL; + * Ensures: + */ +typedef int(*fxn_deh_getinfo) (struct deh_mgr *phDehMgr, + struct dsp_errorinfo *pErrInfo); + +/* + * ======== bridge_io_create ======== + * Purpose: + * Create an object that manages I/O between CHNL and msg_ctrl. + * Parameters: + * phIOMgr: Location to store IO manager on output. + * hchnl_mgr: Handle to channel manager. + * hmsg_mgr: Handle to message manager. + * Returns: + * 0: Success. + * -ENOMEM: Memory allocation failure. + * -EPERM: Creation failed. + * Requires: + * hdev_obj != NULL; + * Channel manager already created; + * Message manager already created; + * pMgrAttrs != NULL; + * phIOMgr != NULL; + * Ensures: + */ +typedef int(*fxn_io_create) (OUT struct io_mgr **phIOMgr, + struct dev_object *hdev_obj, + IN CONST struct io_attrs *pMgrAttrs); + +/* + * ======== bridge_io_destroy ======== + * Purpose: + * Destroy object created in bridge_io_create. + * Parameters: + * hio_mgr: IO Manager. + * Returns: + * 0: Success. + * -ENOMEM: Memory allocation failure. + * -EPERM: Creation failed. + * Requires: + * Valid hio_mgr; + * Ensures: + */ +typedef int(*fxn_io_destroy) (struct io_mgr *hio_mgr); + +/* + * ======== bridge_io_on_loaded ======== + * Purpose: + * Called whenever a program is loaded to update internal data. For + * example, if shared memory is used, this function would update the + * shared memory location and address. + * Parameters: + * hio_mgr: IO Manager. + * Returns: + * 0: Success. + * -EPERM: Internal failure occurred. + * Requires: + * Valid hio_mgr; + * Ensures: + */ +typedef int(*fxn_io_onloaded) (struct io_mgr *hio_mgr); + +/* + * ======== fxn_io_getprocload ======== + * Purpose: + * Called to get the Processor's current and predicted load + * Parameters: + * hio_mgr: IO Manager. + * pProcLoadStat Processor Load statistics + * Returns: + * 0: Success. + * -EPERM: Internal failure occurred. + * Requires: + * Valid hio_mgr; + * Ensures: + */ +typedef int(*fxn_io_getprocload) (struct io_mgr *hio_mgr, + struct dsp_procloadstat * + pProcLoadStat); + +/* + * ======== bridge_msg_create ======== + * Purpose: + * Create an object to manage message queues. Only one of these objects + * can exist per device object. + * Parameters: + * phMsgMgr: Location to store msg_ctrl manager on output. + * hdev_obj: Handle to a device object. + * msgCallback: Called whenever an RMS_EXIT message is received. + * Returns: + * 0: Success. + * -ENOMEM: Insufficient memory. + * Requires: + * phMsgMgr != NULL. + * msgCallback != NULL. + * hdev_obj != NULL. + * Ensures: + */ +typedef int(*fxn_msg_create) + (OUT struct msg_mgr **phMsgMgr, + struct dev_object *hdev_obj, msg_onexit msgCallback); + +/* + * ======== bridge_msg_create_queue ======== + * Purpose: + * Create a msg_ctrl queue for sending or receiving messages from a Message + * node on the DSP. + * Parameters: + * hmsg_mgr: msg_ctrl queue manager handle returned from + * bridge_msg_create. + * phMsgQueue: Location to store msg_ctrl queue on output. + * msgq_id: Identifier for messages (node environment pointer). + * max_msgs: Max number of simultaneous messages for the node. + * h: Handle passed to hmsg_mgr->msgCallback(). + * Returns: + * 0: Success. + * -ENOMEM: Insufficient memory. + * Requires: + * phMsgQueue != NULL. + * h != NULL. + * max_msgs > 0. + * Ensures: + * phMsgQueue !=NULL <==> 0. + */ +typedef int(*fxn_msg_createqueue) + (struct msg_mgr *hmsg_mgr, + OUT struct msg_queue **phMsgQueue, u32 msgq_id, u32 max_msgs, void *h); + +/* + * ======== bridge_msg_delete ======== + * Purpose: + * Delete a msg_ctrl manager allocated in bridge_msg_create(). + * Parameters: + * hmsg_mgr: Handle returned from bridge_msg_create(). + * Returns: + * Requires: + * Valid hmsg_mgr. + * Ensures: + */ +typedef void (*fxn_msg_delete) (struct msg_mgr *hmsg_mgr); + +/* + * ======== bridge_msg_delete_queue ======== + * Purpose: + * Delete a msg_ctrl queue allocated in bridge_msg_create_queue. + * Parameters: + * msg_queue_obj: Handle to msg_ctrl queue returned from + * bridge_msg_create_queue. + * Returns: + * Requires: + * Valid msg_queue_obj. + * Ensures: + */ +typedef void (*fxn_msg_deletequeue) (struct msg_queue *msg_queue_obj); + +/* + * ======== bridge_msg_get ======== + * Purpose: + * Get a message from a msg_ctrl queue. + * Parameters: + * msg_queue_obj: Handle to msg_ctrl queue returned from + * bridge_msg_create_queue. + * pmsg: Location to copy message into. + * utimeout: Timeout to wait for a message. + * Returns: + * 0: Success. + * -ETIME: Timeout occurred. + * -EPERM: No frames available for message (max_msgs too + * small). + * Requires: + * Valid msg_queue_obj. + * pmsg != NULL. + * Ensures: + */ +typedef int(*fxn_msg_get) (struct msg_queue *msg_queue_obj, + struct dsp_msg *pmsg, u32 utimeout); + +/* + * ======== bridge_msg_put ======== + * Purpose: + * Put a message onto a msg_ctrl queue. + * Parameters: + * msg_queue_obj: Handle to msg_ctrl queue returned from + * bridge_msg_create_queue. + * pmsg: Pointer to message. + * utimeout: Timeout to wait for a message. + * Returns: + * 0: Success. + * -ETIME: Timeout occurred. + * -EPERM: No frames available for message (max_msgs too + * small). + * Requires: + * Valid msg_queue_obj. + * pmsg != NULL. + * Ensures: + */ +typedef int(*fxn_msg_put) (struct msg_queue *msg_queue_obj, + IN CONST struct dsp_msg *pmsg, u32 utimeout); + +/* + * ======== bridge_msg_register_notify ======== + * Purpose: + * Register notification for when a message is ready. + * Parameters: + * msg_queue_obj: Handle to msg_ctrl queue returned from + * bridge_msg_create_queue. + * event_mask: Type of events to be notified about: Must be + * DSP_NODEMESSAGEREADY, or 0 to unregister. + * notify_type: DSP_SIGNALEVENT. + * hnotification: Handle of notification object. + * Returns: + * 0: Success. + * -ENOMEM: Insufficient memory. + * Requires: + * Valid msg_queue_obj. + * hnotification != NULL. + * notify_type == DSP_SIGNALEVENT. + * event_mask == DSP_NODEMESSAGEREADY || event_mask == 0. + * Ensures: + */ +typedef int(*fxn_msg_registernotify) + (struct msg_queue *msg_queue_obj, + u32 event_mask, u32 notify_type, struct dsp_notification *hnotification); + +/* + * ======== bridge_msg_set_queue_id ======== + * Purpose: + * Set message queue id to node environment. Allows bridge_msg_create_queue + * to be called in node_allocate, before the node environment is known. + * Parameters: + * msg_queue_obj: Handle to msg_ctrl queue returned from + * bridge_msg_create_queue. + * msgq_id: Node environment pointer. + * Returns: + * Requires: + * Valid msg_queue_obj. + * msgq_id != 0. + * Ensures: + */ +typedef void (*fxn_msg_setqueueid) (struct msg_queue *msg_queue_obj, + u32 msgq_id); + +/* + * Bridge Driver interface function table. + * + * The information in this table is filled in by the specific Bridge driver, + * and copied into the DSP API's own space. If any interface + * function field is set to a value of NULL, then the DSP API will + * consider that function not implemented, and return the error code + * -ENOSYS when a Bridge driver client attempts to call that function. + * + * This function table contains DSP API version numbers, which are used by the + * Bridge driver loader to help ensure backwards compatility between older + * Bridge drivers and newer DSP API. These must be set to + * BRD_API_MAJOR_VERSION and BRD_API_MINOR_VERSION, respectively. + * + * A Bridge driver need not export a CHNL interface. In this case, *all* of + * the bridge_chnl_* entries must be set to NULL. + */ +struct bridge_drv_interface { + u32 brd_api_major_version; /* Set to BRD_API_MAJOR_VERSION. */ + u32 brd_api_minor_version; /* Set to BRD_API_MINOR_VERSION. */ + fxn_dev_create pfn_dev_create; /* Create device context */ + fxn_dev_destroy pfn_dev_destroy; /* Destroy device context */ + fxn_dev_ctrl pfn_dev_cntrl; /* Optional vendor interface */ + fxn_brd_monitor pfn_brd_monitor; /* Load and/or start monitor */ + fxn_brd_start pfn_brd_start; /* Start DSP program. */ + fxn_brd_stop pfn_brd_stop; /* Stop/reset board. */ + fxn_brd_status pfn_brd_status; /* Get current board status. */ + fxn_brd_read pfn_brd_read; /* Read board memory */ + fxn_brd_write pfn_brd_write; /* Write board memory. */ + fxn_brd_setstate pfn_brd_set_state; /* Sets the Board State */ + fxn_brd_memcopy pfn_brd_mem_copy; /* Copies DSP Memory */ + fxn_brd_memwrite pfn_brd_mem_write; /* Write DSP Memory w/o halt */ + fxn_brd_memmap pfn_brd_mem_map; /* Maps MPU mem to DSP mem */ + fxn_brd_memunmap pfn_brd_mem_un_map; /* Unmaps MPU mem to DSP mem */ + fxn_chnl_create pfn_chnl_create; /* Create channel manager. */ + fxn_chnl_destroy pfn_chnl_destroy; /* Destroy channel manager. */ + fxn_chnl_open pfn_chnl_open; /* Create a new channel. */ + fxn_chnl_close pfn_chnl_close; /* Close a channel. */ + fxn_chnl_addioreq pfn_chnl_add_io_req; /* Req I/O on a channel. */ + fxn_chnl_getioc pfn_chnl_get_ioc; /* Wait for I/O completion. */ + fxn_chnl_cancelio pfn_chnl_cancel_io; /* Cancl I/O on a channel. */ + fxn_chnl_flushio pfn_chnl_flush_io; /* Flush I/O. */ + fxn_chnl_getinfo pfn_chnl_get_info; /* Get channel specific info */ + /* Get channel manager info. */ + fxn_chnl_getmgrinfo pfn_chnl_get_mgr_info; + fxn_chnl_idle pfn_chnl_idle; /* Idle the channel */ + /* Register for notif. */ + fxn_chnl_registernotify pfn_chnl_register_notify; + fxn_deh_create pfn_deh_create; /* Create DEH manager */ + fxn_deh_destroy pfn_deh_destroy; /* Destroy DEH manager */ + fxn_deh_notify pfn_deh_notify; /* Notify of DSP error */ + /* register for deh notif. */ + fxn_deh_registernotify pfn_deh_register_notify; + fxn_deh_getinfo pfn_deh_get_info; /* register for deh notif. */ + fxn_io_create pfn_io_create; /* Create IO manager */ + fxn_io_destroy pfn_io_destroy; /* Destroy IO manager */ + fxn_io_onloaded pfn_io_on_loaded; /* Notify of program loaded */ + /* Get Processor's current and predicted load */ + fxn_io_getprocload pfn_io_get_proc_load; + fxn_msg_create pfn_msg_create; /* Create message manager */ + /* Create message queue */ + fxn_msg_createqueue pfn_msg_create_queue; + fxn_msg_delete pfn_msg_delete; /* Delete message manager */ + /* Delete message queue */ + fxn_msg_deletequeue pfn_msg_delete_queue; + fxn_msg_get pfn_msg_get; /* Get a message */ + fxn_msg_put pfn_msg_put; /* Send a message */ + /* Register for notif. */ + fxn_msg_registernotify pfn_msg_register_notify; + /* Set message queue id */ + fxn_msg_setqueueid pfn_msg_set_queue_id; +}; + +/* + * ======== bridge_drv_entry ======== + * Purpose: + * Registers Bridge driver functions with the DSP API. Called only once + * by the DSP API. The caller will first check DSP API version + * compatibility, and then copy the interface functions into its own + * memory space. + * Parameters: + * ppDrvInterface Pointer to a location to receive a pointer to the + * Bridge driver interface. + * Returns: + * Requires: + * The code segment this function resides in must expect to be discarded + * after completion. + * Ensures: + * ppDrvInterface pointer initialized to Bridge driver's function + * interface. No system resources are acquired by this function. + * Details: + * Called during the Device_Init phase. + */ +void bridge_drv_entry(OUT struct bridge_drv_interface **ppDrvInterface, + IN CONST char *driver_file_name); + +#endif /* DSPDEFS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dspdeh.h b/drivers/staging/tidspbridge/include/dspbridge/dspdeh.h new file mode 100644 index 0000000..4394711 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dspdeh.h @@ -0,0 +1,47 @@ +/* + * dspdeh.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Defines upper edge DEH functions required by all Bridge driver/DSP API + * interface tables. + * + * Notes: + * Function comment headers reside with the function typedefs in dspdefs.h. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DSPDEH_ +#define DSPDEH_ + +#include <dspbridge/devdefs.h> + +#include <dspbridge/dehdefs.h> + +extern int bridge_deh_create(struct deh_mgr **ret_deh_mgr, + struct dev_object *hdev_obj); + +extern int bridge_deh_destroy(struct deh_mgr *deh_mgr); + +extern int bridge_deh_get_info(struct deh_mgr *deh_mgr, + struct dsp_errorinfo *pErrInfo); + +extern int bridge_deh_register_notify(struct deh_mgr *deh_mgr, + u32 event_mask, + u32 notify_type, + struct dsp_notification *hnotification); + +extern void bridge_deh_notify(struct deh_mgr *deh_mgr, + u32 ulEventMask, u32 dwErrInfo); + +extern void bridge_deh_release_dummy_mem(void); +#endif /* DSPDEH_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dspdrv.h b/drivers/staging/tidspbridge/include/dspbridge/dspdrv.h new file mode 100644 index 0000000..2dd4f8b --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dspdrv.h @@ -0,0 +1,62 @@ +/* + * dspdrv.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * This is the Stream Interface for the DSp API. + * All Device operations are performed via DeviceIOControl. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#if !defined _DSPDRV_H_ +#define _DSPDRV_H_ + +#define MAX_DEV 10 /* Max support of 10 devices */ + +/* + * ======== dsp_deinit ======== + * Purpose: + * This function is called by Device Manager to de-initialize a device. + * This function is not called by applications. + * Parameters: + * dwDeviceContext:Handle to the device context. The XXX_Init function + * creates and returns this identifier. + * Returns: + * TRUE indicates the device successfully de-initialized. Otherwise it + * returns FALSE. + * Requires: + * dwDeviceContext!= NULL. For a built in device this should never + * get called. + * Ensures: + */ +extern bool dsp_deinit(u32 dwDeviceContext); + +/* + * ======== dsp_init ======== + * Purpose: + * This function is called by Device Manager to initialize a device. + * This function is not called by applications + * Parameters: + * dw_context: Specifies a pointer to a string containing the registry + * path to the active key for the stream interface driver. + * HKEY_LOCAL_MACHINE\Drivers\Active + * Returns: + * Returns a handle to the device context created. This is the our actual + * Device Object representing the DSP Device instance. + * Requires: + * Ensures: + * Succeeded: device context > 0 + * Failed: device Context = 0 + */ +extern u32 dsp_init(OUT u32 *init_status); + +#endif diff --git a/drivers/staging/tidspbridge/include/dspbridge/dspio.h b/drivers/staging/tidspbridge/include/dspbridge/dspio.h new file mode 100644 index 0000000..275697a --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dspio.h @@ -0,0 +1,41 @@ +/* + * dspio.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Declares the upper edge IO functions required by all Bridge driver /DSP API + * interface tables. + * + * Notes: + * Function comment headers reside in dspdefs.h. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DSPIO_ +#define DSPIO_ + +#include <dspbridge/devdefs.h> +#include <dspbridge/iodefs.h> + +extern int bridge_io_create(OUT struct io_mgr **phIOMgr, + struct dev_object *hdev_obj, + IN CONST struct io_attrs *pMgrAttrs); + +extern int bridge_io_destroy(struct io_mgr *hio_mgr); + +extern int bridge_io_on_loaded(struct io_mgr *hio_mgr); + +extern int iva_io_on_loaded(struct io_mgr *hio_mgr); +extern int bridge_io_get_proc_load(IN struct io_mgr *hio_mgr, + OUT struct dsp_procloadstat *pProcStat); + +#endif /* DSPIO_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dspioctl.h b/drivers/staging/tidspbridge/include/dspbridge/dspioctl.h new file mode 100644 index 0000000..41e0594 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dspioctl.h @@ -0,0 +1,73 @@ +/* + * dspioctl.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Bridge driver BRD_IOCtl reserved command definitions. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DSPIOCTL_ +#define DSPIOCTL_ + +/* ------------------------------------ Hardware Abstraction Layer */ +#include <hw_defs.h> +#include <hw_mmu.h> + +/* + * Any IOCTLS at or above this value are reserved for standard Bridge driver + * interfaces. + */ +#define BRDIOCTL_RESERVEDBASE 0x8000 + +#define BRDIOCTL_CHNLREAD (BRDIOCTL_RESERVEDBASE + 0x10) +#define BRDIOCTL_CHNLWRITE (BRDIOCTL_RESERVEDBASE + 0x20) +#define BRDIOCTL_GETINTRCOUNT (BRDIOCTL_RESERVEDBASE + 0x30) +#define BRDIOCTL_RESETINTRCOUNT (BRDIOCTL_RESERVEDBASE + 0x40) +#define BRDIOCTL_INTERRUPTDSP (BRDIOCTL_RESERVEDBASE + 0x50) +/* DMMU */ +#define BRDIOCTL_SETMMUCONFIG (BRDIOCTL_RESERVEDBASE + 0x60) +/* PWR */ +#define BRDIOCTL_PWRCONTROL (BRDIOCTL_RESERVEDBASE + 0x70) + +/* attention, modifiers: + * Some of these control enumerations are made visible to user for power + * control, so any changes to this list, should also be updated in the user + * header file 'dbdefs.h' ***/ +/* These ioctls are reserved for PWR power commands for the DSP */ +#define BRDIOCTL_DEEPSLEEP (BRDIOCTL_PWRCONTROL + 0x0) +#define BRDIOCTL_EMERGENCYSLEEP (BRDIOCTL_PWRCONTROL + 0x1) +#define BRDIOCTL_WAKEUP (BRDIOCTL_PWRCONTROL + 0x2) +#define BRDIOCTL_PWRENABLE (BRDIOCTL_PWRCONTROL + 0x3) +#define BRDIOCTL_PWRDISABLE (BRDIOCTL_PWRCONTROL + 0x4) +#define BRDIOCTL_CLK_CTRL (BRDIOCTL_PWRCONTROL + 0x7) +/* DSP Initiated Hibernate */ +#define BRDIOCTL_PWR_HIBERNATE (BRDIOCTL_PWRCONTROL + 0x8) +#define BRDIOCTL_PRESCALE_NOTIFY (BRDIOCTL_PWRCONTROL + 0x9) +#define BRDIOCTL_POSTSCALE_NOTIFY (BRDIOCTL_PWRCONTROL + 0xA) +#define BRDIOCTL_CONSTRAINT_REQUEST (BRDIOCTL_PWRCONTROL + 0xB) + +/* Number of actual DSP-MMU TLB entrries */ +#define BRDIOCTL_NUMOFMMUTLB 32 + +struct bridge_ioctl_extproc { + u32 ul_dsp_va; /* DSP virtual address */ + u32 ul_gpp_pa; /* GPP physical address */ + /* GPP virtual address. __va does not work for ioremapped addresses */ + u32 ul_gpp_va; + u32 ul_size; /* Size of the mapped memory in bytes */ + enum hw_endianism_t endianism; + enum hw_mmu_mixed_size_t mixed_mode; + enum hw_element_size_t elem_size; +}; + +#endif /* DSPIOCTL_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dspmsg.h b/drivers/staging/tidspbridge/include/dspbridge/dspmsg.h new file mode 100644 index 0000000..a10634e --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dspmsg.h @@ -0,0 +1,56 @@ +/* + * dspmsg.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Declares the upper edge message class library functions required by + * all Bridge driver / DSP API interface tables. These functions are + * implemented by every class of Bridge driver channel library. + * + * Notes: + * Function comment headers reside in dspdefs.h. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DSPMSG_ +#define DSPMSG_ + +#include <dspbridge/msgdefs.h> + +extern int bridge_msg_create(OUT struct msg_mgr **phMsgMgr, + struct dev_object *hdev_obj, + msg_onexit msgCallback); + +extern int bridge_msg_create_queue(struct msg_mgr *hmsg_mgr, + OUT struct msg_queue **phMsgQueue, + u32 msgq_id, u32 max_msgs, void *h); + +extern void bridge_msg_delete(struct msg_mgr *hmsg_mgr); + +extern void bridge_msg_delete_queue(struct msg_queue *msg_queue_obj); + +extern int bridge_msg_get(struct msg_queue *msg_queue_obj, + struct dsp_msg *pmsg, u32 utimeout); + +extern int bridge_msg_put(struct msg_queue *msg_queue_obj, + IN CONST struct dsp_msg *pmsg, u32 utimeout); + +extern int bridge_msg_register_notify(struct msg_queue *msg_queue_obj, + u32 event_mask, + u32 notify_type, + struct dsp_notification + *hnotification); + +extern void bridge_msg_set_queue_id(struct msg_queue *msg_queue_obj, + u32 msgq_id); + +#endif /* DSPMSG_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dynamic_loader.h b/drivers/staging/tidspbridge/include/dspbridge/dynamic_loader.h new file mode 100644 index 0000000..4b109d1 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dynamic_loader.h @@ -0,0 +1,492 @@ +/* + * dynamic_loader.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef _DYNAMIC_LOADER_H_ +#define _DYNAMIC_LOADER_H_ +#include <linux/kernel.h> +#include <linux/types.h> + +/* + * Dynamic Loader + * + * The function of the dynamic loader is to load a "module" containing + * instructions for a "target" processor into that processor. In the process + * it assigns memory for the module, resolves symbol references made by the + * module, and remembers symbols defined by the module. + * + * The dynamic loader is parameterized for a particular system by 4 classes + * that supply the module and system specific functions it requires + */ + /* The read functions for the module image to be loaded */ +struct dynamic_loader_stream; + + /* This class defines "host" symbol and support functions */ +struct dynamic_loader_sym; + + /* This class defines the allocator for "target" memory */ +struct dynamic_loader_allocate; + + /* This class defines the copy-into-target-memory functions */ +struct dynamic_loader_initialize; + +/* + * Option flags to modify the behavior of module loading + */ +#define DLOAD_INITBSS 0x1 /* initialize BSS sections to zero */ +#define DLOAD_BIGEND 0x2 /* require big-endian load module */ +#define DLOAD_LITTLE 0x4 /* require little-endian load module */ + +/***************************************************************************** + * Procedure dynamic_load_module + * + * Parameters: + * module The input stream that supplies the module image + * syms Host-side symbol table and malloc/free functions + * alloc Target-side memory allocation + * init Target-side memory initialization, or NULL for symbol read only + * options Option flags DLOAD_* + * mhandle A module handle for use with Dynamic_Unload + * + * Effect: + * The module image is read using *module. Target storage for the new image is + * obtained from *alloc. Symbols defined and referenced by the module are + * managed using *syms. The image is then relocated and references resolved + * as necessary, and the resulting executable bits are placed into target memory + * using *init. + * + * Returns: + * On a successful load, a module handle is placed in *mhandle, and zero is + * returned. On error, the number of errors detected is returned. Individual + * errors are reported during the load process using syms->error_report(). + **************************************************************************** */ +extern int dynamic_load_module( + /* the source for the module image */ + struct dynamic_loader_stream *module, + /* host support for symbols and storage */ + struct dynamic_loader_sym *syms, + /* the target memory allocator */ + struct dynamic_loader_allocate *alloc, + /* the target memory initializer */ + struct dynamic_loader_initialize *init, + unsigned options, /* option flags */ + /* the returned module handle */ + void **mhandle); + +/***************************************************************************** + * Procedure dynamic_open_module + * + * Parameters: + * module The input stream that supplies the module image + * syms Host-side symbol table and malloc/free functions + * alloc Target-side memory allocation + * init Target-side memory initialization, or NULL for symbol read only + * options Option flags DLOAD_* + * mhandle A module handle for use with Dynamic_Unload + * + * Effect: + * The module image is read using *module. Target storage for the new image is + * obtained from *alloc. Symbols defined and referenced by the module are + * managed using *syms. The image is then relocated and references resolved + * as necessary, and the resulting executable bits are placed into target memory + * using *init. + * + * Returns: + * On a successful load, a module handle is placed in *mhandle, and zero is + * returned. On error, the number of errors detected is returned. Individual + * errors are reported during the load process using syms->error_report(). + **************************************************************************** */ +extern int dynamic_open_module( + /* the source for the module image */ + struct dynamic_loader_stream *module, + /* host support for symbols and storage */ + struct dynamic_loader_sym *syms, + /* the target memory allocator */ + struct dynamic_loader_allocate *alloc, + /* the target memory initializer */ + struct dynamic_loader_initialize *init, + unsigned options, /* option flags */ + /* the returned module handle */ + void **mhandle); + +/***************************************************************************** + * Procedure dynamic_unload_module + * + * Parameters: + * mhandle A module handle from dynamic_load_module + * syms Host-side symbol table and malloc/free functions + * alloc Target-side memory allocation + * + * Effect: + * The module specified by mhandle is unloaded. Unloading causes all + * target memory to be deallocated, all symbols defined by the module to + * be purged, and any host-side storage used by the dynamic loader for + * this module to be released. + * + * Returns: + * Zero for success. On error, the number of errors detected is returned. + * Individual errors are reported using syms->error_report(). + **************************************************************************** */ +extern int dynamic_unload_module(void *mhandle, /* the module + * handle */ + /* host support for symbols and + * storage */ + struct dynamic_loader_sym *syms, + /* the target memory allocator */ + struct dynamic_loader_allocate *alloc, + /* the target memory initializer */ + struct dynamic_loader_initialize *init); + +/***************************************************************************** + ***************************************************************************** + * A class used by the dynamic loader for input of the module image + ***************************************************************************** + **************************************************************************** */ +struct dynamic_loader_stream { +/* public: */ + /************************************************************************* + * read_buffer + * + * PARAMETERS : + * buffer Pointer to the buffer to fill + * bufsiz Amount of data desired in sizeof() units + * + * EFFECT : + * Reads the specified amount of data from the module input stream + * into the specified buffer. Returns the amount of data read in sizeof() + * units (which if less than the specification, represents an error). + * + * NOTES: + * In release 1 increments the file position by the number of bytes read + * + ************************************************************************ */ + int (*read_buffer) (struct dynamic_loader_stream *thisptr, + void *buffer, unsigned bufsiz); + + /************************************************************************* + * set_file_posn (release 1 only) + * + * PARAMETERS : + * posn Desired file position relative to start of file in sizeof() units. + * + * EFFECT : + * Adjusts the internal state of the stream object so that the next + * read_buffer call will begin to read at the specified offset from + * the beginning of the input module. Returns 0 for success, non-zero + * for failure. + * + ************************************************************************ */ + int (*set_file_posn) (struct dynamic_loader_stream *thisptr, + /* to be eliminated in release 2 */ + unsigned int posn); + +}; + +/***************************************************************************** + ***************************************************************************** + * A class used by the dynamic loader for symbol table support and + * miscellaneous host-side functions + ***************************************************************************** + **************************************************************************** */ + +typedef u32 ldr_addr; + +/* + * the structure of a symbol known to the dynamic loader + */ +struct dynload_symbol { + ldr_addr value; +}; + +struct dynamic_loader_sym { +/* public: */ + /************************************************************************* + * find_matching_symbol + * + * PARAMETERS : + * name The name of the desired symbol + * + * EFFECT : + * Locates a symbol matching the name specified. A pointer to the + * symbol is returned if it exists; 0 is returned if no such symbol is + * found. + * + ************************************************************************ */ + struct dynload_symbol *(*find_matching_symbol) + (struct dynamic_loader_sym *thisptr, const char *name); + + /************************************************************************* + * add_to_symbol_table + * + * PARAMETERS : + * nname Pointer to the name of the new symbol + * moduleid An opaque module id assigned by the dynamic loader + * + * EFFECT : + * The new symbol is added to the table. A pointer to the symbol is + * returned, or NULL is returned for failure. + * + * NOTES: + * It is permissible for this function to return NULL; the effect is that + * the named symbol will not be available to resolve references in + * subsequent loads. Returning NULL will not cause the current load + * to fail. + ************************************************************************ */ + struct dynload_symbol *(*add_to_symbol_table) + (struct dynamic_loader_sym * + thisptr, const char *nname, unsigned moduleid); + + /************************************************************************* + * purge_symbol_table + * + * PARAMETERS : + * moduleid An opaque module id assigned by the dynamic loader + * + * EFFECT : + * Each symbol in the symbol table whose moduleid matches the argument + * is removed from the table. + ************************************************************************ */ + void (*purge_symbol_table) (struct dynamic_loader_sym *thisptr, + unsigned moduleid); + + /************************************************************************* + * dload_allocate + * + * PARAMETERS : + * memsiz size of desired memory in sizeof() units + * + * EFFECT : + * Returns a pointer to some "host" memory for use by the dynamic + * loader, or NULL for failure. + * This function is serves as a replaceable form of "malloc" to + * allow the user to configure the memory usage of the dynamic loader. + ************************************************************************ */ + void *(*dload_allocate) (struct dynamic_loader_sym *thisptr, + unsigned memsiz); + + /************************************************************************* + * dload_deallocate + * + * PARAMETERS : + * memptr pointer to previously allocated memory + * + * EFFECT : + * Releases the previously allocated "host" memory. + ************************************************************************ */ + void (*dload_deallocate) (struct dynamic_loader_sym *thisptr, + void *memptr); + + /************************************************************************* + * error_report + * + * PARAMETERS : + * errstr pointer to an error string + * args additional arguments + * + * EFFECT : + * This function provides an error reporting interface for the dynamic + * loader. The error string and arguments are designed as for the + * library function vprintf. + ************************************************************************ */ + void (*error_report) (struct dynamic_loader_sym *thisptr, + const char *errstr, va_list args); + +}; /* class dynamic_loader_sym */ + +/***************************************************************************** + ***************************************************************************** + * A class used by the dynamic loader to allocate and deallocate target memory. + ***************************************************************************** + **************************************************************************** */ + +struct ldr_section_info { + /* Name of the memory section assigned at build time */ + const char *name; + ldr_addr run_addr; /* execution address of the section */ + ldr_addr load_addr; /* load address of the section */ + ldr_addr size; /* size of the section in addressable units */ +#ifndef _BIG_ENDIAN + u16 page; /* memory page or view */ + u16 type; /* one of the section types below */ +#else + u16 type; /* one of the section types below */ + u16 page; /* memory page or view */ +#endif + /* a context field for use by dynamic_loader_allocate; + * ignored but maintained by the dynamic loader */ + u32 context; +}; + +/* use this macro to extract type of section from ldr_section_info.type field */ +#define DLOAD_SECTION_TYPE(typeinfo) (typeinfo & 0xF) + +/* type of section to be allocated */ +#define DLOAD_TEXT 0 +#define DLOAD_DATA 1 +#define DLOAD_BSS 2 + /* internal use only, run-time cinit will be of type DLOAD_DATA */ +#define DLOAD_CINIT 3 + +struct dynamic_loader_allocate { +/* public: */ + + /************************************************************************* + * Function allocate + * + * Parameters: + * info A pointer to an information block for the section + * align The alignment of the storage in target AUs + * + * Effect: + * Allocates target memory for the specified section and fills in the + * load_addr and run_addr fields of the section info structure. Returns TRUE + * for success, FALSE for failure. + * + * Notes: + * Frequently load_addr and run_addr are the same, but if they are not + * load_addr is used with dynamic_loader_initialize, and run_addr is + * used for almost all relocations. This function should always initialize + * both fields. + ************************************************************************ */ + int (*dload_allocate) (struct dynamic_loader_allocate *thisptr, + struct ldr_section_info *info, unsigned align); + + /************************************************************************* + * Function deallocate + * + * Parameters: + * info A pointer to an information block for the section + * + * Effect: + * Releases the target memory previously allocated. + * + * Notes: + * The content of the info->name field is undefined on call to this function. + ************************************************************************ */ + void (*dload_deallocate) (struct dynamic_loader_allocate *thisptr, + struct ldr_section_info *info); + +}; /* class dynamic_loader_allocate */ + +/***************************************************************************** + ***************************************************************************** + * A class used by the dynamic loader to load data into a target. This class + * provides the interface-specific functions needed to load data. + ***************************************************************************** + **************************************************************************** */ + +struct dynamic_loader_initialize { +/* public: */ + /************************************************************************* + * Function connect + * + * Parameters: + * none + * + * Effect: + * Connect to the initialization interface. Returns TRUE for success, + * FALSE for failure. + * + * Notes: + * This function is called prior to use of any other functions in + * this interface. + ************************************************************************ */ + int (*connect) (struct dynamic_loader_initialize *thisptr); + + /************************************************************************* + * Function readmem + * + * Parameters: + * bufr Pointer to a word-aligned buffer for the result + * locn Target address of first data element + * info Section info for the section in which the address resides + * bytsiz Size of the data to be read in sizeof() units + * + * Effect: + * Fills the specified buffer with data from the target. Returns TRUE for + * success, FALSE for failure. + ************************************************************************ */ + int (*readmem) (struct dynamic_loader_initialize *thisptr, + void *bufr, + ldr_addr locn, + struct ldr_section_info *info, unsigned bytsiz); + + /************************************************************************* + * Function writemem + * + * Parameters: + * bufr Pointer to a word-aligned buffer of data + * locn Target address of first data element to be written + * info Section info for the section in which the address resides + * bytsiz Size of the data to be written in sizeof() units + * + * Effect: + * Writes the specified buffer to the target. Returns TRUE for success, + * FALSE for failure. + ************************************************************************ */ + int (*writemem) (struct dynamic_loader_initialize *thisptr, + void *bufr, + ldr_addr locn, + struct ldr_section_info *info, unsigned bytsiz); + + /************************************************************************* + * Function fillmem + * + * Parameters: + * locn Target address of first data element to be written + * info Section info for the section in which the address resides + * bytsiz Size of the data to be written in sizeof() units + * val Value to be written in each byte + * Effect: + * Fills the specified area of target memory. Returns TRUE for success, + * FALSE for failure. + ************************************************************************ */ + int (*fillmem) (struct dynamic_loader_initialize *thisptr, + ldr_addr locn, struct ldr_section_info *info, + unsigned bytsiz, unsigned val); + + /************************************************************************* + * Function execute + * + * Parameters: + * start Starting address + * + * Effect: + * The target code at the specified starting address is executed. + * + * Notes: + * This function is called at the end of the dynamic load process + * if the input module has specified a starting address. + ************************************************************************ */ + int (*execute) (struct dynamic_loader_initialize *thisptr, + ldr_addr start); + + /************************************************************************* + * Function release + * + * Parameters: + * none + * + * Effect: + * Releases the connection to the load interface. + * + * Notes: + * This function is called at the end of the dynamic load process. + ************************************************************************ */ + void (*release) (struct dynamic_loader_initialize *thisptr); + +}; /* class dynamic_loader_initialize */ + +#endif /* _DYNAMIC_LOADER_H_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/gb.h b/drivers/staging/tidspbridge/include/dspbridge/gb.h new file mode 100644 index 0000000..fda783a --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/gb.h @@ -0,0 +1,79 @@ +/* + * gb.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Generic bitmap manager. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef GB_ +#define GB_ + +#define GB_NOBITS (~0) +#include <dspbridge/host_os.h> + +struct gb_t_map; + +/* + * ======== gb_clear ======== + * Clear the bit in position bitn in the bitmap map. Bit positions are + * zero based. + */ + +extern void gb_clear(struct gb_t_map *map, u32 bitn); + +/* + * ======== gb_create ======== + * Create a bit map with len bits. Initially all bits are cleared. + */ + +extern struct gb_t_map *gb_create(u32 len); + +/* + * ======== gb_delete ======== + * Delete previously created bit map + */ + +extern void gb_delete(struct gb_t_map *map); + +/* + * ======== gb_findandset ======== + * Finds a clear bit, sets it, and returns the position + */ + +extern u32 gb_findandset(struct gb_t_map *map); + +/* + * ======== gb_minclear ======== + * gb_minclear returns the minimum clear bit position. If no bit is + * clear, gb_minclear returns -1. + */ +extern u32 gb_minclear(struct gb_t_map *map); + +/* + * ======== gb_set ======== + * Set the bit in position bitn in the bitmap map. Bit positions are + * zero based. + */ + +extern void gb_set(struct gb_t_map *map, u32 bitn); + +/* + * ======== gb_test ======== + * Returns TRUE if the bit in position bitn is set in map; otherwise + * gb_test returns FALSE. Bit positions are zero based. + */ + +extern bool gb_test(struct gb_t_map *map, u32 bitn); + +#endif /*GB_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/getsection.h b/drivers/staging/tidspbridge/include/dspbridge/getsection.h new file mode 100644 index 0000000..bdd8e20 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/getsection.h @@ -0,0 +1,108 @@ +/* + * getsection.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * This file provides an API add-on to the dynamic loader that allows the user + * to query section information and extract section data from dynamic load + * modules. + * + * Notes: + * Functions in this API assume that the supplied dynamic_loader_stream + * object supports the set_file_posn method. + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef _GETSECTION_H_ +#define _GETSECTION_H_ + +#include "dynamic_loader.h" + +/* + * Procedure dload_module_open + * + * Parameters: + * module The input stream that supplies the module image + * syms Host-side malloc/free and error reporting functions. + * Other methods are unused. + * + * Effect: + * Reads header information from a dynamic loader module using the specified + * stream object, and returns a handle for the module information. This + * handle may be used in subsequent query calls to obtain information + * contained in the module. + * + * Returns: + * NULL if an error is encountered, otherwise a module handle for use + * in subsequent operations. + */ +extern void *dload_module_open(struct dynamic_loader_stream + *module, struct dynamic_loader_sym + *syms); + +/* + * Procedure dload_get_section_info + * + * Parameters: + * minfo Handle from dload_module_open for this module + * sectionName Pointer to the string name of the section desired + * sectionInfo Address of a section info structure pointer to be initialized + * + * Effect: + * Finds the specified section in the module information, and fills in + * the provided ldr_section_info structure. + * + * Returns: + * TRUE for success, FALSE for section not found + */ +extern int dload_get_section_info(void *minfo, + const char *sectionName, + const struct ldr_section_info + **const sectionInfo); + +/* + * Procedure dload_get_section + * + * Parameters: + * minfo Handle from dload_module_open for this module + * sectionInfo Pointer to a section info structure for the desired section + * sectionData Buffer to contain the section initialized data + * + * Effect: + * Copies the initialized data for the specified section into the + * supplied buffer. + * + * Returns: + * TRUE for success, FALSE for section not found + */ +extern int dload_get_section(void *minfo, + const struct ldr_section_info *sectionInfo, + void *sectionData); + +/* + * Procedure dload_module_close + * + * Parameters: + * minfo Handle from dload_module_open for this module + * + * Effect: + * Releases any storage associated with the module handle. On return, + * the module handle is invalid. + * + * Returns: + * Zero for success. On error, the number of errors detected is returned. + * Individual errors are reported using syms->error_report(), where syms was + * an argument to dload_module_open + */ +extern void dload_module_close(void *minfo); + +#endif /* _GETSECTION_H_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/gh.h b/drivers/staging/tidspbridge/include/dspbridge/gh.h new file mode 100644 index 0000000..55c0489 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/gh.h @@ -0,0 +1,32 @@ +/* + * gh.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef GH_ +#define GH_ +#include <dspbridge/host_os.h> + +extern struct gh_t_hash_tab *gh_create(u16 max_bucket, u16 val_size, + u16(*hash) (void *, u16), + bool(*match) (void *, void *), + void (*delete) (void *)); +extern void gh_delete(struct gh_t_hash_tab *hash_tab); +extern void gh_exit(void); +extern void *gh_find(struct gh_t_hash_tab *hash_tab, void *key); +extern void gh_init(void); +extern void *gh_insert(struct gh_t_hash_tab *hash_tab, void *key, void *value); +void gh_iterate(struct gh_t_hash_tab *hash_tab, + void (*callback)(void *, void *), void *user_data); +#endif /* GH_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/gs.h b/drivers/staging/tidspbridge/include/dspbridge/gs.h new file mode 100644 index 0000000..f32d8d9 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/gs.h @@ -0,0 +1,59 @@ +/* + * gs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Memory allocation/release wrappers. This module allows clients to + * avoid OS spacific issues related to memory allocation. It also provides + * simple diagnostic capabilities to assist in the detection of memory + * leaks. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef GS_ +#define GS_ + +/* + * ======== gs_alloc ======== + * Alloc size bytes of space. Returns pointer to space + * allocated, otherwise NULL. + */ +extern void *gs_alloc(u32 size); + +/* + * ======== gs_exit ======== + * Module exit. Do not change to "#define gs_init()"; in + * some environments this operation must actually do some work! + */ +extern void gs_exit(void); + +/* + * ======== gs_free ======== + * Free space allocated by gs_alloc() or GS_calloc(). + */ +extern void gs_free(void *ptr); + +/* + * ======== gs_frees ======== + * Free space allocated by gs_alloc() or GS_calloc() and assert that + * the size of the allocation is size bytes. + */ +extern void gs_frees(void *ptr, u32 size); + +/* + * ======== gs_init ======== + * Module initialization. Do not change to "#define gs_init()"; in + * some environments this operation must actually do some work! + */ +extern void gs_init(void); + +#endif /*GS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/host_os.h b/drivers/staging/tidspbridge/include/dspbridge/host_os.h new file mode 100644 index 0000000..a91c136 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/host_os.h @@ -0,0 +1,89 @@ +/* + * host_os.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef _HOST_OS_H_ +#define _HOST_OS_H_ + +#include <asm/system.h> +#include <asm/atomic.h> +#include <linux/semaphore.h> +#include <linux/uaccess.h> +#include <linux/irq.h> +#include <linux/io.h> +#include <linux/syscalls.h> +#include <linux/version.h> +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/stddef.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/spinlock.h> +#include <linux/sched.h> +#include <linux/fs.h> +#include <linux/file.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/ctype.h> +#include <linux/mm.h> +#include <linux/device.h> +#include <linux/vmalloc.h> +#include <linux/ioport.h> +#include <linux/platform_device.h> +#include <dspbridge/dbtype.h> +#include <plat/clock.h> +#include <linux/clk.h> +#include <plat/mailbox.h> +#include <linux/pagemap.h> +#include <asm/cacheflush.h> +#include <linux/dma-mapping.h> + +/* TODO -- Remove, once BP defines them */ +#define INT_DSP_MMU_IRQ 28 + +struct dspbridge_platform_data { + void (*dsp_set_min_opp) (u8 opp_id); + u8(*dsp_get_opp) (void); + void (*cpu_set_freq) (unsigned long f); + unsigned long (*cpu_get_freq) (void); + unsigned long mpu_speed[6]; + + /* functions to write and read PRCM registers */ + void (*dsp_prm_write)(u32, s16 , u16); + u32 (*dsp_prm_read)(s16 , u16); + u32 (*dsp_prm_rmw_bits)(u32, u32, s16, s16); + void (*dsp_cm_write)(u32, s16 , u16); + u32 (*dsp_cm_read)(s16 , u16); + u32 (*dsp_cm_rmw_bits)(u32, u32, s16, s16); + + u32 phys_mempool_base; + u32 phys_mempool_size; +}; + +#define PRCM_VDD1 1 + +extern struct platform_device *omap_dspbridge_dev; +extern struct device *bridge; + +#if defined(CONFIG_TIDSPBRIDGE) || defined(CONFIG_TIDSPBRIDGE_MODULE) +extern void dspbridge_reserve_sdram(void); +#else +static inline void dspbridge_reserve_sdram(void) +{ +} +#endif + +extern unsigned long dspbridge_get_mempool_base(void); +#endif diff --git a/drivers/staging/tidspbridge/include/dspbridge/io.h b/drivers/staging/tidspbridge/include/dspbridge/io.h new file mode 100644 index 0000000..e1610f1 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/io.h @@ -0,0 +1,114 @@ +/* + * io.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * The io module manages IO between CHNL and msg_ctrl. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef IO_ +#define IO_ + +#include <dspbridge/cfgdefs.h> +#include <dspbridge/devdefs.h> + +#include <dspbridge/iodefs.h> + +/* + * ======== io_create ======== + * Purpose: + * Create an IO manager object, responsible for managing IO between + * CHNL and msg_ctrl. + * Parameters: + * phChnlMgr: Location to store a channel manager object on + * output. + * hdev_obj: Handle to a device object. + * pMgrAttrs: IO manager attributes. + * pMgrAttrs->birq: I/O IRQ number. + * pMgrAttrs->irq_shared: TRUE if the IRQ is shareable. + * pMgrAttrs->word_size: DSP Word size in equivalent PC bytes.. + * Returns: + * 0: Success; + * -ENOMEM: Insufficient memory for requested resources. + * -EIO: Unable to plug channel ISR for configured IRQ. + * -EINVAL: Invalid DSP word size (must be > 0). + * Invalid base address for DSP communications. + * Requires: + * io_init(void) called. + * phIOMgr != NULL. + * pMgrAttrs != NULL. + * Ensures: + */ +extern int io_create(OUT struct io_mgr **phIOMgr, + struct dev_object *hdev_obj, + IN CONST struct io_attrs *pMgrAttrs); + +/* + * ======== io_destroy ======== + * Purpose: + * Destroy the IO manager. + * Parameters: + * hio_mgr: IOmanager object. + * Returns: + * 0: Success. + * -EFAULT: hio_mgr was invalid. + * Requires: + * io_init(void) called. + * Ensures: + */ +extern int io_destroy(struct io_mgr *hio_mgr); + +/* + * ======== io_exit ======== + * Purpose: + * Discontinue usage of the IO module. + * Parameters: + * Returns: + * Requires: + * io_init(void) previously called. + * Ensures: + * Resources, if any acquired in io_init(void), are freed when the last + * client of IO calls io_exit(void). + */ +extern void io_exit(void); + +/* + * ======== io_init ======== + * Purpose: + * Initialize the IO module's private state. + * Parameters: + * Returns: + * TRUE if initialized; FALSE if error occurred. + * Requires: + * Ensures: + * A requirement for each of the other public CHNL functions. + */ +extern bool io_init(void); + +/* + * ======== io_on_loaded ======== + * Purpose: + * Called when a program is loaded so IO manager can update its + * internal state. + * Parameters: + * hio_mgr: IOmanager object. + * Returns: + * 0: Success. + * -EFAULT: hio_mgr was invalid. + * Requires: + * io_init(void) called. + * Ensures: + */ +extern int io_on_loaded(struct io_mgr *hio_mgr); + +#endif /* CHNL_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/io_sm.h b/drivers/staging/tidspbridge/include/dspbridge/io_sm.h new file mode 100644 index 0000000..3ffd542 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/io_sm.h @@ -0,0 +1,309 @@ +/* + * io_sm.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * IO dispatcher for a shared memory channel driver. + * Also, includes macros to simulate shm via port io calls. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef IOSM_ +#define IOSM_ + +#include <dspbridge/_chnl_sm.h> +#include <dspbridge/host_os.h> + +#include <dspbridge/iodefs.h> + +#define IO_INPUT 0 +#define IO_OUTPUT 1 +#define IO_SERVICE 2 +#define IO_MAXSERVICE IO_SERVICE + +#define DSP_FIELD_ADDR(type, field, base, wordsize) \ + ((((s32)&(((type *)0)->field)) / wordsize) + (u32)base) + +/* Access can be different SM access word size (e.g. 16/32 bit words) */ +#define IO_SET_VALUE(pContext, type, base, field, value) (base->field = value) +#define IO_GET_VALUE(pContext, type, base, field) (base->field) +#define IO_OR_VALUE(pContext, type, base, field, value) (base->field |= value) +#define IO_AND_VALUE(pContext, type, base, field, value) (base->field &= value) +#define IO_SET_LONG(pContext, type, base, field, value) (base->field = value) +#define IO_GET_LONG(pContext, type, base, field) (base->field) + +#ifdef CONFIG_BRIDGE_DVFS +/* The maximum number of OPPs that are supported */ +extern s32 dsp_max_opps; +/* The Vdd1 opp table information */ +extern u32 vdd1_dsp_freq[6][4]; +#endif + +/* + * ======== io_cancel_chnl ======== + * Purpose: + * Cancel IO on a given channel. + * Parameters: + * hio_mgr: IO Manager. + * ulChnl: Index of channel to cancel IO on. + * Returns: + * Requires: + * Valid hio_mgr. + * Ensures: + */ +extern void io_cancel_chnl(struct io_mgr *hio_mgr, u32 ulChnl); + +/* + * ======== io_dpc ======== + * Purpose: + * Deferred procedure call for shared memory channel driver ISR. Carries + * out the dispatch of I/O. + * Parameters: + * pRefData: Pointer to reference data registered via a call to + * DPC_Create(). + * Returns: + * Requires: + * Must not block. + * Must not acquire resources. + * All data touched must be locked in memory if running in kernel mode. + * Ensures: + * Non-preemptible (but interruptible). + */ +extern void io_dpc(IN OUT unsigned long pRefData); + +/* + * ======== io_mbox_msg ======== + * Purpose: + * Main interrupt handler for the shared memory Bridge channel manager. + * Calls the Bridge's chnlsm_isr to determine if this interrupt is ours, + * then schedules a DPC to dispatch I/O. + * Parameters: + * pRefData: Pointer to the channel manager object for this board. + * Set in an initial call to ISR_Install(). + * Returns: + * TRUE if interrupt handled; FALSE otherwise. + * Requires: + * Must be in locked memory if executing in kernel mode. + * Must only call functions which are in locked memory if Kernel mode. + * Must only call asynchronous services. + * Interrupts are disabled and EOI for this interrupt has been sent. + * Ensures: + */ +void io_mbox_msg(u32 msg); + +/* + * ======== io_request_chnl ======== + * Purpose: + * Request I/O from the DSP. Sets flags in shared memory, then interrupts + * the DSP. + * Parameters: + * hio_mgr: IO manager handle. + * pchnl: Ptr to the channel requesting I/O. + * iMode: Mode of channel: {IO_INPUT | IO_OUTPUT}. + * Returns: + * Requires: + * pchnl != NULL + * Ensures: + */ +extern void io_request_chnl(struct io_mgr *hio_mgr, + struct chnl_object *pchnl, + u8 iMode, OUT u16 *pwMbVal); + +/* + * ======== iosm_schedule ======== + * Purpose: + * Schedule DPC for IO. + * Parameters: + * pio_mgr: Ptr to a I/O manager. + * Returns: + * Requires: + * pchnl != NULL + * Ensures: + */ +extern void iosm_schedule(struct io_mgr *hio_mgr); + +/* + * DSP-DMA IO functions + */ + +/* + * ======== io_ddma_init_chnl_desc ======== + * Purpose: + * Initialize DSP DMA channel descriptor. + * Parameters: + * hio_mgr: Handle to a I/O manager. + * uDDMAChnlId: DDMA channel identifier. + * uNumDesc: Number of buffer descriptors(equals # of IOReqs & + * Chirps) + * pDsp: Dsp address; + * Returns: + * Requires: + * uDDMAChnlId < DDMA_MAXDDMACHNLS + * uNumDesc > 0 + * pVa != NULL + * pDspPa != NULL + * + * Ensures: + */ +extern void io_ddma_init_chnl_desc(struct io_mgr *hio_mgr, u32 uDDMAChnlId, + u32 uNumDesc, void *pDsp); + +/* + * ======== io_ddma_clear_chnl_desc ======== + * Purpose: + * Clear DSP DMA channel descriptor. + * Parameters: + * hio_mgr: Handle to a I/O manager. + * uDDMAChnlId: DDMA channel identifier. + * Returns: + * Requires: + * uDDMAChnlId < DDMA_MAXDDMACHNLS + * Ensures: + */ +extern void io_ddma_clear_chnl_desc(struct io_mgr *hio_mgr, u32 uDDMAChnlId); + +/* + * ======== io_ddma_request_chnl ======== + * Purpose: + * Request channel DSP-DMA from the DSP. Sets up SM descriptors and + * control fields in shared memory. + * Parameters: + * hio_mgr: Handle to a I/O manager. + * pchnl: Ptr to channel object + * chnl_packet_obj: Ptr to channel i/o request packet. + * Returns: + * Requires: + * pchnl != NULL + * pchnl->cio_reqs > 0 + * chnl_packet_obj != NULL + * Ensures: + */ +extern void io_ddma_request_chnl(struct io_mgr *hio_mgr, + struct chnl_object *pchnl, + struct chnl_irp *chnl_packet_obj, + OUT u16 *pwMbVal); + +/* + * Zero-copy IO functions + */ + +/* + * ======== io_ddzc_init_chnl_desc ======== + * Purpose: + * Initialize ZCPY channel descriptor. + * Parameters: + * hio_mgr: Handle to a I/O manager. + * uZId: zero-copy channel identifier. + * Returns: + * Requires: + * uDDMAChnlId < DDMA_MAXZCPYCHNLS + * hio_mgr != Null + * Ensures: + */ +extern void io_ddzc_init_chnl_desc(struct io_mgr *hio_mgr, u32 uZId); + +/* + * ======== io_ddzc_clear_chnl_desc ======== + * Purpose: + * Clear DSP ZC channel descriptor. + * Parameters: + * hio_mgr: Handle to a I/O manager. + * uChnlId: ZC channel identifier. + * Returns: + * Requires: + * hio_mgr is valid + * uChnlId < DDMA_MAXZCPYCHNLS + * Ensures: + */ +extern void io_ddzc_clear_chnl_desc(struct io_mgr *hio_mgr, u32 uChnlId); + +/* + * ======== io_ddzc_request_chnl ======== + * Purpose: + * Request zero-copy channel transfer. Sets up SM descriptors and + * control fields in shared memory. + * Parameters: + * hio_mgr: Handle to a I/O manager. + * pchnl: Ptr to channel object + * chnl_packet_obj: Ptr to channel i/o request packet. + * Returns: + * Requires: + * pchnl != NULL + * pchnl->cio_reqs > 0 + * chnl_packet_obj != NULL + * Ensures: + */ +extern void io_ddzc_request_chnl(struct io_mgr *hio_mgr, + struct chnl_object *pchnl, + struct chnl_irp *chnl_packet_obj, + OUT u16 *pwMbVal); + +/* + * ======== io_sh_msetting ======== + * Purpose: + * Sets the shared memory setting + * Parameters: + * hio_mgr: Handle to a I/O manager. + * desc: Shared memory type + * pargs: Ptr to shm setting + * Returns: + * Requires: + * hio_mgr != NULL + * pargs != NULL + * Ensures: + */ +extern int io_sh_msetting(struct io_mgr *hio_mgr, u8 desc, void *pargs); + +/* + * Misc functions for the CHNL_IO shared memory library: + */ + +/* Maximum channel bufsize that can be used. */ +extern u32 io_buf_size(struct io_mgr *hio_mgr); + +extern u32 io_read_value(struct bridge_dev_context *hDevContext, u32 dwDSPAddr); + +extern void io_write_value(struct bridge_dev_context *hDevContext, + u32 dwDSPAddr, u32 dwValue); + +extern u32 io_read_value_long(struct bridge_dev_context *hDevContext, + u32 dwDSPAddr); + +extern void io_write_value_long(struct bridge_dev_context *hDevContext, + u32 dwDSPAddr, u32 dwValue); + +extern void io_or_set_value(struct bridge_dev_context *hDevContext, + u32 dwDSPAddr, u32 dwValue); + +extern void io_and_set_value(struct bridge_dev_context *hDevContext, + u32 dwDSPAddr, u32 dwValue); + +extern void io_intr_dsp2(IN struct io_mgr *pio_mgr, IN u16 mb_val); + +extern void io_sm_init(void); + +/* + * ========print_dsp_trace_buffer ======== + * Print DSP tracebuffer. + */ +extern int print_dsp_trace_buffer(struct bridge_dev_context + *hbridge_context); + +int dump_dsp_stack(struct bridge_dev_context *bridge_context); + +void dump_dl_modules(struct bridge_dev_context *bridge_context); + +#ifndef DSP_TRACEBUF_DISABLED +void print_dsp_debug_trace(struct io_mgr *hio_mgr); +#endif + +#endif /* IOSM_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/iodefs.h b/drivers/staging/tidspbridge/include/dspbridge/iodefs.h new file mode 100644 index 0000000..8bd10a0 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/iodefs.h @@ -0,0 +1,36 @@ +/* + * iodefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * System-wide channel objects and constants. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef IODEFS_ +#define IODEFS_ + +#define IO_MAXIRQ 0xff /* Arbitrarily large number. */ + +/* IO Objects: */ +struct io_mgr; + +/* IO manager attributes: */ +struct io_attrs { + u8 birq; /* Channel's I/O IRQ number. */ + bool irq_shared; /* TRUE if the IRQ is shareable. */ + u32 word_size; /* DSP Word size. */ + u32 shm_base; /* Physical base address of shared memory. */ + u32 usm_length; /* Size (in bytes) of shared memory. */ +}; + +#endif /* IODEFS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/ldr.h b/drivers/staging/tidspbridge/include/dspbridge/ldr.h new file mode 100644 index 0000000..6a0269c --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/ldr.h @@ -0,0 +1,29 @@ +/* + * ldr.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Provide module loading services and symbol export services. + * + * Notes: + * This service is meant to be used by modules of the DSP/BIOS Bridge + * driver. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef LDR_ +#define LDR_ + +/* Loader objects: */ +struct ldr_module; + +#endif /* LDR_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/list.h b/drivers/staging/tidspbridge/include/dspbridge/list.h new file mode 100644 index 0000000..dc8ae09 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/list.h @@ -0,0 +1,225 @@ +/* + * list.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Declarations of list management control structures and definitions + * of inline list management functions. + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef LIST_ +#define LIST_ + +#include <dspbridge/host_os.h> +#include <linux/list.h> + +#define LST_IS_EMPTY(l) list_empty(&(l)->head) + +struct lst_list { + struct list_head head; +}; + +/* + * ======== lst_first ======== + * Purpose: + * Returns a pointer to the first element of the list, or NULL if the list + * is empty. + * Parameters: + * pList: Pointer to list control structure. + * Returns: + * Pointer to first list element, or NULL. + * Requires: + * - LST initialized. + * - pList != NULL. + * Ensures: + */ +static inline struct list_head *lst_first(struct lst_list *pList) +{ + if (pList && !list_empty(&pList->head)) + return pList->head.next; + return NULL; +} + +/* + * ======== lst_get_head ======== + * Purpose: + * Pops the head off the list and returns a pointer to it. + * Details: + * If the list is empty, returns NULL. + * Else, removes the element at the head of the list, making the next + * element the head of the list. + * The head is removed by making the tail element of the list point its + * "next" pointer at the next element after the head, and by making the + * "prev" pointer of the next element after the head point at the tail + * element. So the next element after the head becomes the new head of + * the list. + * Parameters: + * pList: Pointer to list control structure of list whose head + * element is to be removed + * Returns: + * Pointer to element that was at the head of the list (success) + * NULL No elements in list + * Requires: + * - LST initialized. + * - pList != NULL. + * Ensures: + * Notes: + * Because the tail of the list points forward (its "next" pointer) to + * the head of the list, and the head of the list points backward (its + * "prev" pointer) to the tail of the list, this list is circular. + */ +static inline struct list_head *lst_get_head(struct lst_list *pList) +{ + struct list_head *elem_list; + + if (!pList || list_empty(&pList->head)) + return NULL; + + elem_list = pList->head.next; + pList->head.next = elem_list->next; + elem_list->next->prev = &pList->head; + + return elem_list; +} + +/* + * ======== lst_init_elem ======== + * Purpose: + * Initializes a list element to default (cleared) values + * Details: + * Parameters: + * elem_list: Pointer to list element to be reset + * Returns: + * Requires: + * LST initialized. + * Ensures: + * Notes: + * This function must not be called to "reset" an element in the middle + * of a list chain -- that would break the chain. + * + */ +static inline void lst_init_elem(struct list_head *elem_list) +{ + if (elem_list) { + elem_list->next = NULL; + elem_list->prev = NULL; + } +} + +/* + * ======== lst_insert_before ======== + * Purpose: + * Insert the element before the existing element. + * Parameters: + * pList: Pointer to list control structure. + * elem_list: Pointer to element in list to insert. + * pElemExisting: Pointer to existing list element. + * Returns: + * Requires: + * - LST initialized. + * - pList != NULL. + * - elem_list != NULL. + * - pElemExisting != NULL. + * Ensures: + */ +static inline void lst_insert_before(struct lst_list *pList, + struct list_head *elem_list, + struct list_head *pElemExisting) +{ + if (pList && elem_list && pElemExisting) + list_add_tail(elem_list, pElemExisting); +} + +/* + * ======== lst_next ======== + * Purpose: + * Returns a pointer to the next element of the list, or NULL if the next + * element is the head of the list or the list is empty. + * Parameters: + * pList: Pointer to list control structure. + * cur_elem: Pointer to element in list to remove. + * Returns: + * Pointer to list element, or NULL. + * Requires: + * - LST initialized. + * - pList != NULL. + * - cur_elem != NULL. + * Ensures: + */ +static inline struct list_head *lst_next(struct lst_list *pList, + struct list_head *cur_elem) +{ + if (pList && !list_empty(&pList->head) && cur_elem && + (cur_elem->next != &pList->head)) + return cur_elem->next; + return NULL; +} + +/* + * ======== lst_put_tail ======== + * Purpose: + * Adds the specified element to the tail of the list + * Details: + * Sets new element's "prev" pointer to the address previously held by + * the head element's prev pointer. This is the previous tail member of + * the list. + * Sets the new head's prev pointer to the address of the element. + * Sets next pointer of the previous tail member of the list to point to + * the new element (rather than the head, which it had been pointing at). + * Sets new element's next pointer to the address of the head element. + * Sets head's prev pointer to the address of the new element. + * Parameters: + * pList: Pointer to list control structure to which *elem_list will be + * added + * elem_list: Pointer to list element to be added + * Returns: + * Void + * Requires: + * *elem_list and *pList must both exist. + * LST initialized. + * Ensures: + * Notes: + * Because the tail is always "just before" the head of the list (the + * tail's "next" pointer points at the head of the list, and the head's + * "prev" pointer points at the tail of the list), the list is circular. + */ +static inline void lst_put_tail(struct lst_list *pList, + struct list_head *elem_list) +{ + if (pList && elem_list) + list_add_tail(elem_list, &pList->head); +} + +/* + * ======== lst_remove_elem ======== + * Purpose: + * Removes (unlinks) the given element from the list, if the list is not + * empty. Does not free the list element. + * Parameters: + * pList: Pointer to list control structure. + * cur_elem: Pointer to element in list to remove. + * Returns: + * Requires: + * - LST initialized. + * - pList != NULL. + * - cur_elem != NULL. + * Ensures: + */ +static inline void lst_remove_elem(struct lst_list *pList, + struct list_head *cur_elem) +{ + if (pList && !list_empty(&pList->head) && cur_elem) + list_del_init(cur_elem); +} + +#endif /* LIST_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/mbx_sh.h b/drivers/staging/tidspbridge/include/dspbridge/mbx_sh.h new file mode 100644 index 0000000..289f6f3 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/mbx_sh.h @@ -0,0 +1,198 @@ +/* + * mbx_sh.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Definitions for shared mailbox cmd/data values.(used on both + * the GPP and DSP sides). + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +/* + * Bridge usage of OMAP mailbox 1 is determined by the "class" of the + * mailbox interrupt's cmd value received. The class value are defined + * as a bit (10 thru 15) being set. + * + * Note: Only 16 bits of each is used. Other 16 bit data reg available. + * + * 16 bit Mbx bit defns: + * + * A). Exception/Error handling (Module DEH) : class = 0. + * + * 15 10 0 + * --------------------------------- + * |0|0|0|0|0|0|x|x|x|x|x|x|x|x|x|x| + * --------------------------------- + * | (class) | (module specific) | + * + * + * B: DSP-DMA link driver channels (DDMA) : class = 1. + * + * 15 10 0 + * --------------------------------- + * |0|0|0|0|0|1|b|b|b|b|b|c|c|c|c|c| + * --------------------------------- + * | (class) | (module specific) | + * + * where b -> buffer index (32 DDMA buffers/chnl max) + * c -> channel Id (32 DDMA chnls max) + * + * + * C: Proc-copy link driver channels (PCPY) : class = 2. + * + * 15 10 0 + * --------------------------------- + * |0|0|0|0|1|0|x|x|x|x|x|x|x|x|x|x| + * --------------------------------- + * | (class) | (module specific) | + * + * + * D: Zero-copy link driver channels (DDZC) : class = 4. + * + * 15 10 0 + * --------------------------------- + * |0|0|0|1|0|0|x|x|x|x|x|c|c|c|c|c| + * --------------------------------- + * | (class) | (module specific) | + * + * where x -> not used + * c -> channel Id (32 ZCPY chnls max) + * + * + * E: Power management : class = 8. + * + * 15 10 0 + * --------------------------------- + * |0|0|1|0|0|0|x|x|x|x|x|c|c|c|c|c| + + * 0010 00xx xxxc cccc + * 0010 00nn pppp qqqq + * nn: + * 00 = reserved + * 01 = pwr state change + * 10 = opp pre-change + * 11 = opp post-change + * + * if nn = pwr state change: + * pppp = don't care + * qqqq: + * 0010 = hibernate + * 0010 0001 0000 0010 + * 0110 = retention + * 0010 0001 0000 0110 + * others reserved + * + * if nn = opp pre-change: + * pppp = current opp + * qqqq = next opp + * + * if nn = opp post-change: + * pppp = prev opp + * qqqq = current opp + * + * --------------------------------- + * | (class) | (module specific) | + * + * where x -> not used + * c -> Power management command + * + */ + +#ifndef _MBX_SH_H +#define _MBX_SH_H + +#define MBX_CLASS_MSK 0xFC00 /* Class bits are 10 thru 15 */ +#define MBX_VALUE_MSK 0x03FF /* Value is 0 thru 9 */ + +#define MBX_DEH_CLASS 0x0000 /* DEH owns Mbx INTR */ +#define MBX_DDMA_CLASS 0x0400 /* DSP-DMA link drvr chnls owns INTR */ +#define MBX_PCPY_CLASS 0x0800 /* PROC-COPY " */ +#define MBX_ZCPY_CLASS 0x1000 /* ZERO-COPY " */ +#define MBX_PM_CLASS 0x2000 /* Power Management */ +#define MBX_DBG_CLASS 0x4000 /* For debugging purpose */ + +/* + * Exception Handler codes + * Magic code used to determine if DSP signaled exception. + */ +#define MBX_DEH_BASE 0x0 +#define MBX_DEH_USERS_BASE 0x100 /* 256 */ +#define MBX_DEH_LIMIT 0x3FF /* 1023 */ +#define MBX_DEH_RESET 0x101 /* DSP RESET (DEH) */ +#define MBX_DEH_EMMU 0X103 /*DSP MMU FAULT RECOVERY */ + +/* + * Link driver command/status codes. + */ +/* DSP-DMA */ +#define MBX_DDMA_NUMCHNLBITS 5 /* # chnl Id: # bits available */ +#define MBX_DDMA_CHNLSHIFT 0 /* # of bits to shift */ +#define MBX_DDMA_CHNLMSK 0x01F /* bits 0 thru 4 */ + +#define MBX_DDMA_NUMBUFBITS 5 /* buffer index: # of bits avail */ +#define MBX_DDMA_BUFSHIFT (MBX_DDMA_NUMCHNLBITS + MBX_DDMA_CHNLSHIFT) +#define MBX_DDMA_BUFMSK 0x3E0 /* bits 5 thru 9 */ + +/* Zero-Copy */ +#define MBX_ZCPY_NUMCHNLBITS 5 /* # chnl Id: # bits available */ +#define MBX_ZCPY_CHNLSHIFT 0 /* # of bits to shift */ +#define MBX_ZCPY_CHNLMSK 0x01F /* bits 0 thru 4 */ + +/* Power Management Commands */ +#define MBX_PM_DSPIDLE (MBX_PM_CLASS + 0x0) +#define MBX_PM_DSPWAKEUP (MBX_PM_CLASS + 0x1) +#define MBX_PM_EMERGENCYSLEEP (MBX_PM_CLASS + 0x2) +#define MBX_PM_SLEEPUNTILRESTART (MBX_PM_CLASS + 0x3) +#define MBX_PM_DSPGLOBALIDLE_OFF (MBX_PM_CLASS + 0x4) +#define MBX_PM_DSPGLOBALIDLE_ON (MBX_PM_CLASS + 0x5) +#define MBX_PM_SETPOINT_PRENOTIFY (MBX_PM_CLASS + 0x6) +#define MBX_PM_SETPOINT_POSTNOTIFY (MBX_PM_CLASS + 0x7) +#define MBX_PM_DSPRETN (MBX_PM_CLASS + 0x8) +#define MBX_PM_DSPRETENTION (MBX_PM_CLASS + 0x8) +#define MBX_PM_DSPHIBERNATE (MBX_PM_CLASS + 0x9) +#define MBX_PM_HIBERNATE_EN (MBX_PM_CLASS + 0xA) +#define MBX_PM_OPP_REQ (MBX_PM_CLASS + 0xB) +#define MBX_PM_OPP_CHG (MBX_PM_CLASS + 0xC) + +#define MBX_PM_TYPE_MASK 0x0300 +#define MBX_PM_TYPE_PWR_CHNG 0x0100 +#define MBX_PM_TYPE_OPP_PRECHNG 0x0200 +#define MBX_PM_TYPE_OPP_POSTCHNG 0x0300 +#define MBX_PM_TYPE_OPP_MASK 0x0300 +#define MBX_PM_OPP_PRECHNG (MBX_PM_CLASS | MBX_PM_TYPE_OPP_PRECHNG) +/* DSP to MPU */ +#define MBX_PM_OPP_CHNG(OPP) (MBX_PM_CLASS | MBX_PM_TYPE_OPP_PRECHNG | (OPP)) +#define MBX_PM_RET (MBX_PM_CLASS | MBX_PM_TYPE_PWR_CHNG | 0x0006) +#define MBX_PM_HIB (MBX_PM_CLASS | MBX_PM_TYPE_PWR_CHNG | 0x0002) +#define MBX_PM_OPP1 0 +#define MBX_PM_OPP2 1 +#define MBX_PM_OPP3 2 +#define MBX_PM_OPP4 3 +#define MBX_OLDOPP_EXTRACT(OPPMSG) ((0x00F0 & (OPPMSG)) >> 4) +#define MBX_NEWOPP_EXTRACT(OPPMSG) (0x000F & (OPPMSG)) +#define MBX_PREVOPP_EXTRACT(OPPMSG) ((0x00F0 & (OPPMSG)) >> 4) +#define MBX_CUROPP_EXTRACT(OPPMSG) (0x000F & (OPPMSG)) + +/* Bridge Debug Commands */ +#define MBX_DBG_SYSPRINTF (MBX_DBG_CLASS + 0x0) + +/* + * Useful macros + */ +/* DSP-DMA channel */ +#define MBX_SETDDMAVAL(x, y) (MBX_DDMA_CLASS | (x << MBX_DDMA_BUFSHIFT) | \ + (y << MBX_DDMA_CHNLSHIFT)) + +/* Zero-Copy channel */ +#define MBX_SETZCPYVAL(x) (MBX_ZCPY_CLASS | (x << MBX_ZCPY_CHNLSHIFT)) + +#endif /* _MBX_SH_H */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/memdefs.h b/drivers/staging/tidspbridge/include/dspbridge/memdefs.h new file mode 100644 index 0000000..78d2c5d --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/memdefs.h @@ -0,0 +1,30 @@ +/* + * memdefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Global MEM constants and types, shared between Bridge driver and DSP API. + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef MEMDEFS_ +#define MEMDEFS_ + +/* + * MEM_VIRTUALSEGID is used by Node & Strm to access virtual address space in + * the correct client process context. + */ +#define MEM_SETVIRTUALSEGID 0x10000000 +#define MEM_GETVIRTUALSEGID 0x20000000 +#define MEM_MASKVIRTUALSEGID (MEM_SETVIRTUALSEGID | MEM_GETVIRTUALSEGID) + +#endif /* MEMDEFS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/mgr.h b/drivers/staging/tidspbridge/include/dspbridge/mgr.h new file mode 100644 index 0000000..ce418ae --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/mgr.h @@ -0,0 +1,205 @@ +/* + * mgr.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * This is the DSP API RM module interface. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef MGR_ +#define MGR_ + +#include <dspbridge/mgrpriv.h> + +#define MAX_EVENTS 32 + +/* + * ======== mgr_wait_for_bridge_events ======== + * Purpose: + * Block on any Bridge event(s) + * Parameters: + * anotifications : array of pointers to notification objects. + * count : number of elements in above array + * pu_index : index of signaled event object + * utimeout : timeout interval in milliseocnds + * Returns: + * 0 : Success. + * -ETIME : Wait timed out. *pu_index is undetermined. + * Details: + */ + +int mgr_wait_for_bridge_events(struct dsp_notification + **anotifications, + u32 count, OUT u32 *pu_index, + u32 utimeout); + +/* + * ======== mgr_create ======== + * Purpose: + * Creates the Manager Object. This is done during the driver loading. + * There is only one Manager Object in the DSP/BIOS Bridge. + * Parameters: + * phMgrObject: Location to store created MGR Object handle. + * dev_node_obj: Device object as known to the system. + * Returns: + * 0: Success + * -ENOMEM: Failed to Create the Object + * -EPERM: General Failure + * Requires: + * MGR Initialized (refs > 0 ) + * phMgrObject != NULL. + * Ensures: + * 0: *phMgrObject is a valid MGR interface to the device. + * MGR Object stores the DCD Manager Handle. + * MGR Object stored in the Regsitry. + * !0: MGR Object not created + * Details: + * DCD Dll is loaded and MGR Object stores the handle of the DLL. + */ +extern int mgr_create(OUT struct mgr_object **hmgr_obj, + struct cfg_devnode *dev_node_obj); + +/* + * ======== mgr_destroy ======== + * Purpose: + * Destroys the MGR object. Called upon driver unloading. + * Parameters: + * hmgr_obj: Handle to Manager object . + * Returns: + * 0: Success. + * DCD Manager freed; MGR Object destroyed; + * MGR Object deleted from the Registry. + * -EPERM: Failed to destroy MGR Object + * Requires: + * MGR Initialized (refs > 0 ) + * hmgr_obj is a valid MGR handle . + * Ensures: + * 0: MGR Object destroyed and hmgr_obj is Invalid MGR + * Handle. + */ +extern int mgr_destroy(struct mgr_object *hmgr_obj); + +/* + * ======== mgr_enum_node_info ======== + * Purpose: + * Enumerate and get configuration information about nodes configured + * in the node database. + * Parameters: + * node_id: The node index (base 0). + * pndb_props: Ptr to the dsp_ndbprops structure for output. + * undb_props_size: Size of the dsp_ndbprops structure. + * pu_num_nodes: Location where the number of nodes configured + * in the database will be returned. + * Returns: + * 0: Success. + * -EINVAL: Parameter node_id is > than the number of nodes. + * configutred in the system + * -EIDRM: During Enumeration there has been a change in + * the number of nodes configured or in the + * the properties of the enumerated nodes. + * -EPERM: Failed to querry the Node Data Base + * Requires: + * pNDBPROPS is not null + * undb_props_size >= sizeof(dsp_ndbprops) + * pu_num_nodes is not null + * MGR Initialized (refs > 0 ) + * Ensures: + * SUCCESS on successful retreival of data and *pu_num_nodes > 0 OR + * DSP_FAILED && *pu_num_nodes == 0. + * Details: + */ +extern int mgr_enum_node_info(u32 node_id, + OUT struct dsp_ndbprops *pndb_props, + u32 undb_props_size, + OUT u32 *pu_num_nodes); + +/* + * ======== mgr_enum_processor_info ======== + * Purpose: + * Enumerate and get configuration information about available DSP + * processors + * Parameters: + * processor_id: The processor index (zero-based). + * processor_info: Ptr to the dsp_processorinfo structure . + * processor_info_size: Size of dsp_processorinfo structure. + * pu_num_procs: Location where the number of DSPs configured + * in the database will be returned + * Returns: + * 0: Success. + * -EINVAL: Parameter processor_id is > than the number of + * DSP Processors in the system. + * -EPERM: Failed to querry the Node Data Base + * Requires: + * processor_info is not null + * pu_num_procs is not null + * processor_info_size >= sizeof(dsp_processorinfo) + * MGR Initialized (refs > 0 ) + * Ensures: + * SUCCESS on successful retreival of data and *pu_num_procs > 0 OR + * DSP_FAILED && *pu_num_procs == 0. + * Details: + */ +extern int mgr_enum_processor_info(u32 processor_id, + OUT struct dsp_processorinfo + *processor_info, + u32 processor_info_size, + OUT u8 *pu_num_procs); +/* + * ======== mgr_exit ======== + * Purpose: + * Decrement reference count, and free resources when reference count is + * 0. + * Parameters: + * Returns: + * Requires: + * MGR is initialized. + * Ensures: + * When reference count == 0, MGR's private resources are freed. + */ +extern void mgr_exit(void); + +/* + * ======== mgr_get_dcd_handle ======== + * Purpose: + * Retrieves the MGR handle. Accessor Function + * Parameters: + * hMGRHandle: Handle to the Manager Object + * phDCDHandle: Ptr to receive the DCD Handle. + * Returns: + * 0: Sucess + * -EPERM: Failure to get the Handle + * Requires: + * MGR is initialized. + * phDCDHandle != NULL + * Ensures: + * 0 and *phDCDHandle != NULL || + * -EPERM and *phDCDHandle == NULL + */ +extern int mgr_get_dcd_handle(IN struct mgr_object + *hMGRHandle, OUT u32 *phDCDHandle); + +/* + * ======== mgr_init ======== + * Purpose: + * Initialize MGR's private state, keeping a reference count on each + * call. Intializes the DCD. + * Parameters: + * Returns: + * TRUE if initialized; FALSE if error occured. + * Requires: + * Ensures: + * TRUE: A requirement for the other public MGR functions. + */ +extern bool mgr_init(void); + +#endif /* MGR_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/mgrpriv.h b/drivers/staging/tidspbridge/include/dspbridge/mgrpriv.h new file mode 100644 index 0000000..bca4e10 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/mgrpriv.h @@ -0,0 +1,45 @@ +/* + * mgrpriv.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Global MGR constants and types, shared by PROC, MGR, and DSP API. + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef MGRPRIV_ +#define MGRPRIV_ + +/* + * OMAP1510 specific + */ +#define MGR_MAXTLBENTRIES 32 + +/* RM MGR Object */ +struct mgr_object; + +struct mgr_tlbentry { + u32 ul_dsp_virt; /* DSP virtual address */ + u32 ul_gpp_phys; /* GPP physical address */ +}; + +/* + * The DSP_PROCESSOREXTINFO structure describes additional extended + * capabilities of a DSP processor not exposed to user. + */ +struct mgr_processorextinfo { + struct dsp_processorinfo ty_basic; /* user processor info */ + /* private dsp mmu entries */ + struct mgr_tlbentry ty_tlb[MGR_MAXTLBENTRIES]; +}; + +#endif /* MGRPRIV_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/msg.h b/drivers/staging/tidspbridge/include/dspbridge/msg.h new file mode 100644 index 0000000..baac5f3 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/msg.h @@ -0,0 +1,86 @@ +/* + * msg.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * DSP/BIOS Bridge msg_ctrl Module. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef MSG_ +#define MSG_ + +#include <dspbridge/devdefs.h> +#include <dspbridge/msgdefs.h> + +/* + * ======== msg_create ======== + * Purpose: + * Create an object to manage message queues. Only one of these objects + * can exist per device object. The msg_ctrl manager must be created before + * the IO Manager. + * Parameters: + * phMsgMgr: Location to store msg_ctrl manager handle on output. + * hdev_obj: The device object. + * msgCallback: Called whenever an RMS_EXIT message is received. + * Returns: + * Requires: + * msg_mod_init(void) called. + * phMsgMgr != NULL. + * hdev_obj != NULL. + * msgCallback != NULL. + * Ensures: + */ +extern int msg_create(OUT struct msg_mgr **phMsgMgr, + struct dev_object *hdev_obj, + msg_onexit msgCallback); + +/* + * ======== msg_delete ======== + * Purpose: + * Delete a msg_ctrl manager allocated in msg_create(). + * Parameters: + * hmsg_mgr: Handle returned from msg_create(). + * Returns: + * Requires: + * msg_mod_init(void) called. + * Valid hmsg_mgr. + * Ensures: + */ +extern void msg_delete(struct msg_mgr *hmsg_mgr); + +/* + * ======== msg_exit ======== + * Purpose: + * Discontinue usage of msg_ctrl module. + * Parameters: + * Returns: + * Requires: + * msg_mod_init(void) successfully called before. + * Ensures: + * Any resources acquired in msg_mod_init(void) will be freed when last + * msg_ctrl client calls msg_exit(void). + */ +extern void msg_exit(void); + +/* + * ======== msg_mod_init ======== + * Purpose: + * Initialize the msg_ctrl module. + * Parameters: + * Returns: + * TRUE if initialization succeeded, FALSE otherwise. + * Ensures: + */ +extern bool msg_mod_init(void); + +#endif /* MSG_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/msgdefs.h b/drivers/staging/tidspbridge/include/dspbridge/msgdefs.h new file mode 100644 index 0000000..fe24656 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/msgdefs.h @@ -0,0 +1,29 @@ +/* + * msgdefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Global msg_ctrl constants and types. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef MSGDEFS_ +#define MSGDEFS_ + +/* msg_ctrl Objects: */ +struct msg_mgr; +struct msg_queue; + +/* Function prototype for callback to be called on RMS_EXIT message received */ +typedef void (*msg_onexit) (void *h, s32 nStatus); + +#endif /* MSGDEFS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/nldr.h b/drivers/staging/tidspbridge/include/dspbridge/nldr.h new file mode 100644 index 0000000..073aa9f --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/nldr.h @@ -0,0 +1,55 @@ +/* + * nldr.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * DSP/BIOS Bridge dynamic loader interface. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#include <dspbridge/dbdefs.h> +#include <dspbridge/dbdcddef.h> +#include <dspbridge/dev.h> +#include <dspbridge/rmm.h> +#include <dspbridge/nldrdefs.h> + +#ifndef NLDR_ +#define NLDR_ + +extern int nldr_allocate(struct nldr_object *nldr_obj, + void *priv_ref, IN CONST struct dcd_nodeprops + *node_props, + OUT struct nldr_nodeobject **phNldrNode, + IN bool *pf_phase_split); + +extern int nldr_create(OUT struct nldr_object **phNldr, + struct dev_object *hdev_obj, + IN CONST struct nldr_attrs *pattrs); + +extern void nldr_delete(struct nldr_object *nldr_obj); +extern void nldr_exit(void); + +extern int nldr_get_fxn_addr(struct nldr_nodeobject *nldr_node_obj, + char *pstrFxn, u32 * pulAddr); + +extern int nldr_get_rmm_manager(struct nldr_object *hNldrObject, + OUT struct rmm_target_obj **phRmmMgr); + +extern bool nldr_init(void); +extern int nldr_load(struct nldr_nodeobject *nldr_node_obj, + enum nldr_phase phase); +extern int nldr_unload(struct nldr_nodeobject *nldr_node_obj, + enum nldr_phase phase); +int nldr_find_addr(struct nldr_nodeobject *nldr_node, u32 sym_addr, + u32 offset_range, void *offset_output, char *sym_name); + +#endif /* NLDR_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/nldrdefs.h b/drivers/staging/tidspbridge/include/dspbridge/nldrdefs.h new file mode 100644 index 0000000..9be0483 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/nldrdefs.h @@ -0,0 +1,293 @@ +/* + * nldrdefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Global Dynamic + static/overlay Node loader (NLDR) constants and types. + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef NLDRDEFS_ +#define NLDRDEFS_ + +#include <dspbridge/dbdcddef.h> +#include <dspbridge/devdefs.h> + +#define NLDR_MAXPATHLENGTH 255 +/* NLDR Objects: */ +struct nldr_object; +struct nldr_nodeobject; + +/* + * ======== nldr_loadtype ======== + * Load types for a node. Must match values in node.h55. + */ +enum nldr_loadtype { + NLDR_STATICLOAD, /* Linked in base image, not overlay */ + NLDR_DYNAMICLOAD, /* Dynamically loaded node */ + NLDR_OVLYLOAD /* Linked in base image, overlay node */ +}; + +/* + * ======== nldr_ovlyfxn ======== + * Causes code or data to be copied from load address to run address. This + * is the "cod_writefxn" that gets passed to the DBLL_Library and is used as + * the ZL write function. + * + * Parameters: + * priv_ref: Handle to identify the node. + * ulDspRunAddr: Run address of code or data. + * ulDspLoadAddr: Load address of code or data. + * ul_num_bytes: Number of (GPP) bytes to copy. + * nMemSpace: RMS_CODE or RMS_DATA. + * Returns: + * ul_num_bytes: Success. + * 0: Failure. + * Requires: + * Ensures: + */ +typedef u32(*nldr_ovlyfxn) (void *priv_ref, u32 ulDspRunAddr, + u32 ulDspLoadAddr, u32 ul_num_bytes, u32 nMemSpace); + +/* + * ======== nldr_writefxn ======== + * Write memory function. Used for dynamic load writes. + * Parameters: + * priv_ref: Handle to identify the node. + * ulDspAddr: Address of code or data. + * pbuf: Code or data to be written + * ul_num_bytes: Number of (GPP) bytes to write. + * nMemSpace: DBLL_DATA or DBLL_CODE. + * Returns: + * ul_num_bytes: Success. + * 0: Failure. + * Requires: + * Ensures: + */ +typedef u32(*nldr_writefxn) (void *priv_ref, + u32 ulDspAddr, void *pbuf, + u32 ul_num_bytes, u32 nMemSpace); + +/* + * ======== nldr_attrs ======== + * Attributes passed to nldr_create function. + */ +struct nldr_attrs { + nldr_ovlyfxn pfn_ovly; + nldr_writefxn pfn_write; + u16 us_dsp_word_size; + u16 us_dsp_mau_size; +}; + +/* + * ======== nldr_phase ======== + * Indicates node create, delete, or execute phase function. + */ +enum nldr_phase { + NLDR_CREATE, + NLDR_DELETE, + NLDR_EXECUTE, + NLDR_NOPHASE +}; + +/* + * Typedefs of loader functions imported from a DLL, or defined in a + * function table. + */ + +/* + * ======== nldr_allocate ======== + * Allocate resources to manage the loading of a node on the DSP. + * + * Parameters: + * nldr_obj: Handle of loader that will load the node. + * priv_ref: Handle to identify the node. + * node_props: Pointer to a dcd_nodeprops for the node. + * phNldrNode: Location to store node handle on output. This handle + * will be passed to nldr_load/nldr_unload. + * pf_phase_split: pointer to int variable referenced in node.c + * Returns: + * 0: Success. + * -ENOMEM: Insufficient memory on GPP. + * Requires: + * nldr_init(void) called. + * Valid nldr_obj. + * node_props != NULL. + * phNldrNode != NULL. + * Ensures: + * 0: IsValidNode(*phNldrNode). + * error: *phNldrNode == NULL. + */ +typedef int(*nldr_allocatefxn) (struct nldr_object *nldr_obj, + void *priv_ref, + IN CONST struct dcd_nodeprops + * node_props, + OUT struct nldr_nodeobject + **phNldrNode, + OUT bool *pf_phase_split); + +/* + * ======== nldr_create ======== + * Create a loader object. This object handles the loading and unloading of + * create, delete, and execute phase functions of nodes on the DSP target. + * + * Parameters: + * phNldr: Location to store loader handle on output. + * hdev_obj: Device for this processor. + * pattrs: Loader attributes. + * Returns: + * 0: Success; + * -ENOMEM: Insufficient memory for requested resources. + * Requires: + * nldr_init(void) called. + * phNldr != NULL. + * hdev_obj != NULL. + * pattrs != NULL. + * Ensures: + * 0: Valid *phNldr. + * error: *phNldr == NULL. + */ +typedef int(*nldr_createfxn) (OUT struct nldr_object **phNldr, + struct dev_object *hdev_obj, + IN CONST struct nldr_attrs *pattrs); + +/* + * ======== nldr_delete ======== + * Delete the NLDR loader. + * + * Parameters: + * nldr_obj: Node manager object. + * Returns: + * Requires: + * nldr_init(void) called. + * Valid nldr_obj. + * Ensures: + * nldr_obj invalid + */ +typedef void (*nldr_deletefxn) (struct nldr_object *nldr_obj); + +/* + * ======== nldr_exit ======== + * Discontinue usage of NLDR module. + * + * Parameters: + * Returns: + * Requires: + * nldr_init(void) successfully called before. + * Ensures: + * Any resources acquired in nldr_init(void) will be freed when last NLDR + * client calls nldr_exit(void). + */ +typedef void (*nldr_exitfxn) (void); + +/* + * ======== NLDR_Free ======== + * Free resources allocated in nldr_allocate. + * + * Parameters: + * nldr_node_obj: Handle returned from nldr_allocate(). + * Returns: + * Requires: + * nldr_init(void) called. + * Valid nldr_node_obj. + * Ensures: + */ +typedef void (*nldr_freefxn) (struct nldr_nodeobject *nldr_node_obj); + +/* + * ======== nldr_get_fxn_addr ======== + * Get address of create, delete, or execute phase function of a node on + * the DSP. + * + * Parameters: + * nldr_node_obj: Handle returned from nldr_allocate(). + * pstrFxn: Name of function. + * pulAddr: Location to store function address. + * Returns: + * 0: Success. + * -ESPIPE: Address of function not found. + * Requires: + * nldr_init(void) called. + * Valid nldr_node_obj. + * pulAddr != NULL; + * pstrFxn != NULL; + * Ensures: + */ +typedef int(*nldr_getfxnaddrfxn) (struct nldr_nodeobject + * nldr_node_obj, + char *pstrFxn, u32 * pulAddr); + +/* + * ======== nldr_init ======== + * Initialize the NLDR module. + * + * Parameters: + * Returns: + * TRUE if initialization succeeded, FALSE otherwise. + * Ensures: + */ +typedef bool(*nldr_initfxn) (void); + +/* + * ======== nldr_load ======== + * Load create, delete, or execute phase function of a node on the DSP. + * + * Parameters: + * nldr_node_obj: Handle returned from nldr_allocate(). + * phase: Type of function to load (create, delete, or execute). + * Returns: + * 0: Success. + * -ENOMEM: Insufficient memory on GPP. + * -ENXIO: Can't overlay phase because overlay memory + * is already in use. + * -EILSEQ: Failure in dynamic loader library. + * Requires: + * nldr_init(void) called. + * Valid nldr_node_obj. + * Ensures: + */ +typedef int(*nldr_loadfxn) (struct nldr_nodeobject *nldr_node_obj, + enum nldr_phase phase); + +/* + * ======== nldr_unload ======== + * Unload create, delete, or execute phase function of a node on the DSP. + * + * Parameters: + * nldr_node_obj: Handle returned from nldr_allocate(). + * phase: Node function to unload (create, delete, or execute). + * Returns: + * 0: Success. + * -ENOMEM: Insufficient memory on GPP. + * Requires: + * nldr_init(void) called. + * Valid nldr_node_obj. + * Ensures: + */ +typedef int(*nldr_unloadfxn) (struct nldr_nodeobject *nldr_node_obj, + enum nldr_phase phase); + +/* + * ======== node_ldr_fxns ======== + */ +struct node_ldr_fxns { + nldr_allocatefxn pfn_allocate; + nldr_createfxn pfn_create; + nldr_deletefxn pfn_delete; + nldr_exitfxn pfn_exit; + nldr_getfxnaddrfxn pfn_get_fxn_addr; + nldr_initfxn pfn_init; + nldr_loadfxn pfn_load; + nldr_unloadfxn pfn_unload; +}; + +#endif /* NLDRDEFS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/node.h b/drivers/staging/tidspbridge/include/dspbridge/node.h new file mode 100644 index 0000000..7587213 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/node.h @@ -0,0 +1,579 @@ +/* + * node.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * DSP/BIOS Bridge Node Manager. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef NODE_ +#define NODE_ + +#include <dspbridge/procpriv.h> + +#include <dspbridge/nodedefs.h> +#include <dspbridge/dispdefs.h> +#include <dspbridge/nldrdefs.h> +#include <dspbridge/drv.h> + +/* + * ======== node_allocate ======== + * Purpose: + * Allocate GPP resources to manage a node on the DSP. + * Parameters: + * hprocessor: Handle of processor that is allocating the node. + * pNodeId: Pointer to a dsp_uuid for the node. + * pargs: Optional arguments to be passed to the node. + * attr_in: Optional pointer to node attributes (priority, + * timeout...) + * ph_node: Location to store node handle on output. + * Returns: + * 0: Success. + * -ENOMEM: Insufficient memory on GPP. + * -ENOKEY: Node UUID has not been registered. + * -ESPIPE: iAlg functions not found for a DAIS node. + * -EDOM: attr_in != NULL and attr_in->prio out of + * range. + * -EPERM: A failure occured, unable to allocate node. + * -EBADR: Proccessor is not in the running state. + * Requires: + * node_init(void) called. + * hprocessor != NULL. + * pNodeId != NULL. + * ph_node != NULL. + * Ensures: + * 0: IsValidNode(*ph_node). + * error: *ph_node == NULL. + */ +extern int node_allocate(struct proc_object *hprocessor, + IN CONST struct dsp_uuid *pNodeId, + OPTIONAL IN CONST struct dsp_cbdata + *pargs, OPTIONAL IN CONST struct dsp_nodeattrin + *attr_in, + OUT struct node_object **ph_node, + struct process_context *pr_ctxt); + +/* + * ======== node_alloc_msg_buf ======== + * Purpose: + * Allocate and Prepare a buffer whose descriptor will be passed to a + * Node within a (dsp_msg)message + * Parameters: + * hnode: The node handle. + * usize: The size of the buffer to be allocated. + * pattr: Pointer to a dsp_bufferattr structure. + * pbuffer: Location to store the address of the allocated + * buffer on output. + * Returns: + * 0: Success. + * -EFAULT: Invalid node handle. + * -ENOMEM: Insufficent memory. + * -EPERM: General Failure. + * -EINVAL: Invalid Size. + * Requires: + * node_init(void) called. + * pbuffer != NULL. + * Ensures: + */ +extern int node_alloc_msg_buf(struct node_object *hnode, + u32 usize, OPTIONAL struct dsp_bufferattr + *pattr, OUT u8 **pbuffer); + +/* + * ======== node_change_priority ======== + * Purpose: + * Change the priority of an allocated node. + * Parameters: + * hnode: Node handle returned from node_allocate. + * prio: New priority level to set node's priority to. + * Returns: + * 0: Success. + * -EFAULT: Invalid hnode. + * -EDOM: prio is out of range. + * -EPERM: The specified node is not a task node. + * Unable to change node's runtime priority level. + * -EBADR: Node is not in the NODE_ALLOCATED, NODE_PAUSED, + * or NODE_RUNNING state. + * -ETIME: A timeout occurred before the DSP responded. + * Requires: + * node_init(void) called. + * Ensures: + * 0 && (Node's current priority == prio) + */ +extern int node_change_priority(struct node_object *hnode, s32 prio); + +/* + * ======== node_close_orphans ======== + * Purpose: + * Delete all nodes whose owning processor is being destroyed. + * Parameters: + * hnode_mgr: Node manager object. + * hProc: Handle to processor object being destroyed. + * Returns: + * 0: Success. + * -EPERM: Unable to delete all nodes belonging to hProc. + * Requires: + * Valid hnode_mgr. + * hProc != NULL. + * Ensures: + */ +extern int node_close_orphans(struct node_mgr *hnode_mgr, + struct proc_object *hProc); + +/* + * ======== node_connect ======== + * Purpose: + * Connect two nodes on the DSP, or a node on the DSP to the GPP. In the + * case that the connnection is being made between a node on the DSP and + * the GPP, one of the node handles (either hNode1 or hNode2) must be + * the constant NODE_HGPPNODE. + * Parameters: + * hNode1: Handle of first node to connect to second node. If + * this is a connection from the GPP to hNode2, hNode1 + * must be the constant NODE_HGPPNODE. Otherwise, hNode1 + * must be a node handle returned from a successful call + * to Node_Allocate(). + * hNode2: Handle of second node. Must be either NODE_HGPPNODE + * if this is a connection from DSP node to GPP, or a + * node handle returned from a successful call to + * node_allocate(). + * uStream1: Output stream index on first node, to be connected + * to second node's input stream. Value must range from + * 0 <= uStream1 < number of output streams. + * uStream2: Input stream index on second node. Value must range + * from 0 <= uStream2 < number of input streams. + * pattrs: Stream attributes (NULL ==> use defaults). + * conn_param: A pointer to a dsp_cbdata structure that defines + * connection parameter for device nodes to pass to DSP + * side. + * If the value of this parameter is NULL, then this API + * behaves like DSPNode_Connect. This parameter will have + * length of the string and the null terminated string in + * dsp_cbdata struct. This can be extended in future tp + * pass binary data. + * Returns: + * 0: Success. + * -EFAULT: Invalid hNode1 or hNode2. + * -ENOMEM: Insufficient host memory. + * -EINVAL: A stream index parameter is invalid. + * -EISCONN: A connection already exists for one of the + * indices uStream1 or uStream2. + * -EBADR: Either hNode1 or hNode2 is not in the + * NODE_ALLOCATED state. + * -ECONNREFUSED: No more connections available. + * -EPERM: Attempt to make an illegal connection (eg, + * Device node to device node, or device node to + * GPP), the two nodes are on different DSPs. + * Requires: + * node_init(void) called. + * Ensures: + */ +extern int node_connect(struct node_object *hNode1, + u32 uStream1, + struct node_object *hNode2, + u32 uStream2, + OPTIONAL IN struct dsp_strmattr *pattrs, + OPTIONAL IN struct dsp_cbdata + *conn_param); + +/* + * ======== node_create ======== + * Purpose: + * Create a node on the DSP by remotely calling the node's create + * function. If necessary, load code that contains the node's create + * function. + * Parameters: + * hnode: Node handle returned from node_allocate(). + * Returns: + * 0: Success. + * -EFAULT: Invalid hnode. + * -ESPIPE: Create function not found in the COFF file. + * -EBADR: Node is not in the NODE_ALLOCATED state. + * -ENOMEM: Memory allocation failure on the DSP. + * -ETIME: A timeout occurred before the DSP responded. + * -EPERM: A failure occurred, unable to create node. + * Requires: + * node_init(void) called. + * Ensures: + */ +extern int node_create(struct node_object *hnode); + +/* + * ======== node_create_mgr ======== + * Purpose: + * Create a NODE Manager object. This object handles the creation, + * deletion, and execution of nodes on the DSP target. The NODE Manager + * also maintains a pipe map of used and available node connections. + * Each DEV object should have exactly one NODE Manager object. + * + * Parameters: + * phNodeMgr: Location to store node manager handle on output. + * hdev_obj: Device for this processor. + * Returns: + * 0: Success; + * -ENOMEM: Insufficient memory for requested resources. + * -EPERM: General failure. + * Requires: + * node_init(void) called. + * phNodeMgr != NULL. + * hdev_obj != NULL. + * Ensures: + * 0: Valide *phNodeMgr. + * error: *phNodeMgr == NULL. + */ +extern int node_create_mgr(OUT struct node_mgr **phNodeMgr, + struct dev_object *hdev_obj); + +/* + * ======== node_delete ======== + * Purpose: + * Delete resources allocated in node_allocate(). If the node was + * created, delete the node on the DSP by remotely calling the node's + * delete function. Loads the node's delete function if necessary. + * GPP side resources are freed after node's delete function returns. + * Parameters: + * hnode: Node handle returned from node_allocate(). + * Returns: + * 0: Success. + * -EFAULT: Invalid hnode. + * -ETIME: A timeout occurred before the DSP responded. + * -EPERM: A failure occurred in deleting the node. + * -ESPIPE: Delete function not found in the COFF file. + * Requires: + * node_init(void) called. + * Ensures: + * 0: hnode is invalid. + */ +extern int node_delete(struct node_object *hnode, + struct process_context *pr_ctxt); + +/* + * ======== node_delete_mgr ======== + * Purpose: + * Delete the NODE Manager. + * Parameters: + * hnode_mgr: Node manager object. + * Returns: + * 0: Success. + * Requires: + * node_init(void) called. + * Valid hnode_mgr. + * Ensures: + */ +extern int node_delete_mgr(struct node_mgr *hnode_mgr); + +/* + * ======== node_enum_nodes ======== + * Purpose: + * Enumerate the nodes currently allocated for the DSP. + * Parameters: + * hnode_mgr: Node manager returned from node_create_mgr(). + * node_tab: Array to copy node handles into. + * node_tab_size: Number of handles that can be written to node_tab. + * pu_num_nodes: Location where number of node handles written to + * node_tab will be written. + * pu_allocated: Location to write total number of allocated nodes. + * Returns: + * 0: Success. + * -EINVAL: node_tab is too small to hold all node handles. + * Requires: + * Valid hnode_mgr. + * node_tab != NULL || node_tab_size == 0. + * pu_num_nodes != NULL. + * pu_allocated != NULL. + * Ensures: + * - (-EINVAL && *pu_num_nodes == 0) + * - || (0 && *pu_num_nodes <= node_tab_size) && + * (*pu_allocated == *pu_num_nodes) + */ +extern int node_enum_nodes(struct node_mgr *hnode_mgr, + void **node_tab, + u32 node_tab_size, + OUT u32 *pu_num_nodes, + OUT u32 *pu_allocated); + +/* + * ======== node_exit ======== + * Purpose: + * Discontinue usage of NODE module. + * Parameters: + * Returns: + * Requires: + * node_init(void) successfully called before. + * Ensures: + * Any resources acquired in node_init(void) will be freed when last NODE + * client calls node_exit(void). + */ +extern void node_exit(void); + +/* + * ======== node_free_msg_buf ======== + * Purpose: + * Free a message buffer previously allocated with node_alloc_msg_buf. + * Parameters: + * hnode: The node handle. + * pbuffer: (Address) Buffer allocated by node_alloc_msg_buf. + * pattr: Same buffer attributes passed to node_alloc_msg_buf. + * Returns: + * 0: Success. + * -EFAULT: Invalid node handle. + * -EPERM: Failure to free the buffer. + * Requires: + * node_init(void) called. + * pbuffer != NULL. + * Ensures: + */ +extern int node_free_msg_buf(struct node_object *hnode, + IN u8 *pbuffer, + OPTIONAL struct dsp_bufferattr + *pattr); + +/* + * ======== node_get_attr ======== + * Purpose: + * Copy the current attributes of the specified node into a dsp_nodeattr + * structure. + * Parameters: + * hnode: Node object allocated from node_allocate(). + * pattr: Pointer to dsp_nodeattr structure to copy node's + * attributes. + * attr_size: Size of pattr. + * Returns: + * 0: Success. + * -EFAULT: Invalid hnode. + * Requires: + * node_init(void) called. + * pattr != NULL. + * Ensures: + * 0: *pattrs contains the node's current attributes. + */ +extern int node_get_attr(struct node_object *hnode, + OUT struct dsp_nodeattr *pattr, u32 attr_size); + +/* + * ======== node_get_message ======== + * Purpose: + * Retrieve a message from a node on the DSP. The node must be either a + * message node, task node, or XDAIS socket node. + * If a message is not available, this function will block until a + * message is available, or the node's timeout value is reached. + * Parameters: + * hnode: Node handle returned from node_allocate(). + * message: Pointer to dsp_msg structure to copy the + * message into. + * utimeout: Timeout in milliseconds to wait for message. + * Returns: + * 0: Success. + * -EFAULT: Invalid hnode. + * -EPERM: Cannot retrieve messages from this type of node. + * Error occurred while trying to retrieve a message. + * -ETIME: Timeout occurred and no message is available. + * Requires: + * node_init(void) called. + * message != NULL. + * Ensures: + */ +extern int node_get_message(struct node_object *hnode, + OUT struct dsp_msg *message, u32 utimeout); + +/* + * ======== node_get_nldr_obj ======== + * Purpose: + * Retrieve the Nldr manager + * Parameters: + * hnode_mgr: Node Manager + * phNldrObj: Pointer to a Nldr manager handle + * Returns: + * 0: Success. + * -EFAULT: Invalid hnode. + * Ensures: + */ +extern int node_get_nldr_obj(struct node_mgr *hnode_mgr, + OUT struct nldr_object **phNldrObj); + +/* + * ======== node_init ======== + * Purpose: + * Initialize the NODE module. + * Parameters: + * Returns: + * TRUE if initialization succeeded, FALSE otherwise. + * Ensures: + */ +extern bool node_init(void); + +/* + * ======== node_on_exit ======== + * Purpose: + * Gets called when RMS_EXIT is received for a node. PROC needs to pass + * this function as a parameter to msg_create(). This function then gets + * called by the Bridge driver when an exit message for a node is received. + * Parameters: + * hnode: Handle of the node that the exit message is for. + * nStatus: Return status of the node's execute phase. + * Returns: + * Ensures: + */ +void node_on_exit(struct node_object *hnode, s32 nStatus); + +/* + * ======== node_pause ======== + * Purpose: + * Suspend execution of a node currently running on the DSP. + * Parameters: + * hnode: Node object representing a node currently + * running on the DSP. + * Returns: + * 0: Success. + * -EFAULT: Invalid hnode. + * -EPERM: Node is not a task or socket node. + * Failed to pause node. + * -ETIME: A timeout occurred before the DSP responded. + * DSP_EWRONGSTSATE: Node is not in NODE_RUNNING state. + * Requires: + * node_init(void) called. + * Ensures: + */ +extern int node_pause(struct node_object *hnode); + +/* + * ======== node_put_message ======== + * Purpose: + * Send a message to a message node, task node, or XDAIS socket node. + * This function will block until the message stream can accommodate + * the message, or a timeout occurs. The message will be copied, so Msg + * can be re-used immediately after return. + * Parameters: + * hnode: Node handle returned by node_allocate(). + * pmsg: Location of message to be sent to the node. + * utimeout: Timeout in msecs to wait. + * Returns: + * 0: Success. + * -EFAULT: Invalid hnode. + * -EPERM: Messages can't be sent to this type of node. + * Unable to send message. + * -ETIME: Timeout occurred before message could be set. + * -EBADR: Node is in invalid state for sending messages. + * Requires: + * node_init(void) called. + * pmsg != NULL. + * Ensures: + */ +extern int node_put_message(struct node_object *hnode, + IN CONST struct dsp_msg *pmsg, u32 utimeout); + +/* + * ======== node_register_notify ======== + * Purpose: + * Register to be notified on specific events for this node. + * Parameters: + * hnode: Node handle returned by node_allocate(). + * event_mask: Mask of types of events to be notified about. + * notify_type: Type of notification to be sent. + * hnotification: Handle to be used for notification. + * Returns: + * 0: Success. + * -EFAULT: Invalid hnode. + * -ENOMEM: Insufficient memory on GPP. + * -EINVAL: event_mask is invalid. + * -ENOSYS: Notification type specified by notify_type is not + * supported. + * Requires: + * node_init(void) called. + * hnotification != NULL. + * Ensures: + */ +extern int node_register_notify(struct node_object *hnode, + u32 event_mask, u32 notify_type, + struct dsp_notification + *hnotification); + +/* + * ======== node_run ======== + * Purpose: + * Start execution of a node's execute phase, or resume execution of + * a node that has been suspended (via node_pause()) on the DSP. Load + * the node's execute function if necessary. + * Parameters: + * hnode: Node object representing a node currently + * running on the DSP. + * Returns: + * 0: Success. + * -EFAULT: Invalid hnode. + * -EPERM: hnode doesn't represent a message, task or dais socket node. + * Unable to start or resume execution. + * -ETIME: A timeout occurred before the DSP responded. + * DSP_EWRONGSTSATE: Node is not in NODE_PAUSED or NODE_CREATED state. + * -ESPIPE: Execute function not found in the COFF file. + * Requires: + * node_init(void) called. + * Ensures: + */ +extern int node_run(struct node_object *hnode); + +/* + * ======== node_terminate ======== + * Purpose: + * Signal a node running on the DSP that it should exit its execute + * phase function. + * Parameters: + * hnode: Node object representing a node currently + * running on the DSP. + * pstatus: Location to store execute-phase function return + * value. + * Returns: + * 0: Success. + * -EFAULT: Invalid hnode. + * -ETIME: A timeout occurred before the DSP responded. + * -EPERM: Type of node specified cannot be terminated. + * Unable to terminate the node. + * -EBADR: Operation not valid for the current node state. + * Requires: + * node_init(void) called. + * pstatus != NULL. + * Ensures: + */ +extern int node_terminate(struct node_object *hnode, + OUT int *pstatus); + +/* + * ======== node_get_uuid_props ======== + * Purpose: + * Fetch Node properties given the UUID + * Parameters: + * + */ +extern int node_get_uuid_props(void *hprocessor, + IN CONST struct dsp_uuid *pNodeId, + OUT struct dsp_ndbprops + *node_props); + +/** + * node_find_addr() - Find the closest symbol to the given address. + * + * @node_mgr: Node manager handle + * @sym_addr: Given address to find the closest symbol + * @offset_range: offset range to look fo the closest symbol + * @sym_addr_output: Symbol Output address + * @sym_name: String with the symbol name of the closest symbol + * + * This function finds the closest symbol to the address where a MMU + * Fault occurred on the DSP side. + */ +int node_find_addr(struct node_mgr *node_mgr, u32 sym_addr, + u32 offset_range, void *sym_addr_output, + char *sym_name); + +enum node_state node_get_state(void *hnode); + +#endif /* NODE_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/nodedefs.h b/drivers/staging/tidspbridge/include/dspbridge/nodedefs.h new file mode 100644 index 0000000..fb9623d --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/nodedefs.h @@ -0,0 +1,28 @@ +/* + * nodedefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Global NODE constants and types, shared by PROCESSOR, NODE, and DISP. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef NODEDEFS_ +#define NODEDEFS_ + +#define NODE_SUSPENDEDPRI -1 + +/* NODE Objects: */ +struct node_mgr; +struct node_object; + +#endif /* NODEDEFS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/nodepriv.h b/drivers/staging/tidspbridge/include/dspbridge/nodepriv.h new file mode 100644 index 0000000..42e1a94 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/nodepriv.h @@ -0,0 +1,182 @@ +/* + * nodepriv.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Private node header shared by NODE and DISP. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef NODEPRIV_ +#define NODEPRIV_ + +#include <dspbridge/strmdefs.h> +#include <dspbridge/nodedefs.h> +#include <dspbridge/nldrdefs.h> + +/* DSP address of node environment structure */ +typedef u32 nodeenv; + +/* + * Node create structures + */ + +/* Message node */ +struct node_msgargs { + u32 max_msgs; /* Max # of simultaneous messages for node */ + u32 seg_id; /* Segment for allocating message buffers */ + u32 notify_type; /* Notify type (SEM_post, SWI_post, etc.) */ + u32 arg_length; /* Length in 32-bit words of arg data block */ + u8 *pdata; /* Argument data for node */ +}; + +struct node_strmdef { + u32 buf_size; /* Size of buffers for SIO stream */ + u32 num_bufs; /* max # of buffers in SIO stream at once */ + u32 seg_id; /* Memory segment id to allocate buffers */ + u32 utimeout; /* Timeout for blocking SIO calls */ + u32 buf_alignment; /* Buffer alignment */ + char *sz_device; /* Device name for stream */ +}; + +/* Task node */ +struct node_taskargs { + struct node_msgargs node_msg_args; + s32 prio; + u32 stack_size; + u32 sys_stack_size; + u32 stack_seg; + u32 udsp_heap_res_addr; /* DSP virtual heap address */ + u32 udsp_heap_addr; /* DSP virtual heap address */ + u32 heap_size; /* Heap size */ + u32 ugpp_heap_addr; /* GPP virtual heap address */ + u32 profile_id; /* Profile ID */ + u32 num_inputs; + u32 num_outputs; + u32 ul_dais_arg; /* Address of iAlg object */ + struct node_strmdef *strm_in_def; + struct node_strmdef *strm_out_def; +}; + +/* + * ======== node_createargs ======== + */ +struct node_createargs { + union { + struct node_msgargs node_msg_args; + struct node_taskargs task_arg_obj; + } asa; +}; + +/* + * ======== node_get_channel_id ======== + * Purpose: + * Get the channel index reserved for a stream connection between the + * host and a node. This index is reserved when node_connect() is called + * to connect the node with the host. This index should be passed to + * the CHNL_Open function when the stream is actually opened. + * Parameters: + * hnode: Node object allocated from node_allocate(). + * dir: Input (DSP_TONODE) or output (DSP_FROMNODE). + * index: Stream index. + * pulId: Location to store channel index. + * Returns: + * 0: Success. + * -EFAULT: Invalid hnode. + * -EPERM: Not a task or DAIS socket node. + * -EINVAL: The node's stream corresponding to index and dir + * is not a stream to or from the host. + * Requires: + * node_init(void) called. + * Valid dir. + * pulId != NULL. + * Ensures: + */ +extern int node_get_channel_id(struct node_object *hnode, + u32 dir, u32 index, OUT u32 *pulId); + +/* + * ======== node_get_strm_mgr ======== + * Purpose: + * Get the STRM manager for a node. + * Parameters: + * hnode: Node allocated with node_allocate(). + * phStrmMgr: Location to store STRM manager on output. + * Returns: + * 0: Success. + * -EFAULT: Invalid hnode. + * Requires: + * phStrmMgr != NULL. + * Ensures: + */ +extern int node_get_strm_mgr(struct node_object *hnode, + struct strm_mgr **phStrmMgr); + +/* + * ======== node_get_timeout ======== + * Purpose: + * Get the timeout value of a node. + * Parameters: + * hnode: Node allocated with node_allocate(), or DSP_HGPPNODE. + * Returns: + * Node's timeout value. + * Requires: + * Valid hnode. + * Ensures: + */ +extern u32 node_get_timeout(struct node_object *hnode); + +/* + * ======== node_get_type ======== + * Purpose: + * Get the type (device, message, task, or XDAIS socket) of a node. + * Parameters: + * hnode: Node allocated with node_allocate(), or DSP_HGPPNODE. + * Returns: + * Node type: NODE_DEVICE, NODE_TASK, NODE_XDAIS, or NODE_GPP. + * Requires: + * Valid hnode. + * Ensures: + */ +extern enum node_type node_get_type(struct node_object *hnode); + +/* + * ======== get_node_info ======== + * Purpose: + * Get node information without holding semaphore. + * Parameters: + * hnode: Node allocated with node_allocate(), or DSP_HGPPNODE. + * Returns: + * Node info: priority, device owner, no. of streams, execution state + * NDB properties. + * Requires: + * Valid hnode. + * Ensures: + */ +extern void get_node_info(struct node_object *hnode, + struct dsp_nodeinfo *pNodeInfo); + +/* + * ======== node_get_load_type ======== + * Purpose: + * Get the load type (dynamic, overlay, static) of a node. + * Parameters: + * hnode: Node allocated with node_allocate(), or DSP_HGPPNODE. + * Returns: + * Node type: NLDR_DYNAMICLOAD, NLDR_OVLYLOAD, NLDR_STATICLOAD + * Requires: + * Valid hnode. + * Ensures: + */ +extern enum nldr_loadtype node_get_load_type(struct node_object *hnode); + +#endif /* NODEPRIV_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/ntfy.h b/drivers/staging/tidspbridge/include/dspbridge/ntfy.h new file mode 100644 index 0000000..cbc8819 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/ntfy.h @@ -0,0 +1,217 @@ +/* + * ntfy.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Manage lists of notification events. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef NTFY_ +#define NTFY_ + +#include <dspbridge/host_os.h> +#include <dspbridge/dbdefs.h> +#include <dspbridge/sync.h> + +/** + * ntfy_object - head structure to nofify dspbridge events + * @head: List of notify objects + * @ntfy_lock: lock for list access. + * + */ +struct ntfy_object { + struct raw_notifier_head head;/* List of notifier objects */ + spinlock_t ntfy_lock; /* For critical sections */ +}; + +/** + * ntfy_event - structure store specify event to be notified + * @noti_block: List of notify objects + * @event: event that it respond + * @type: event type (only DSP_SIGNALEVENT supported) + * @sync_obj: sync_event used to set the event + * + */ +struct ntfy_event { + struct notifier_block noti_block; + u32 event; /* Events to be notified about */ + u32 type; /* Type of notification to be sent */ + struct sync_object sync_obj; +}; + + +/** + * dsp_notifier_event() - callback function to nofity events + * @this: pointer to itself struct notifier_block + * @event: event to be notified. + * @data: Currently not used. + * + */ +int dsp_notifier_event(struct notifier_block *this, unsigned long event, + void *data); + +/** + * ntfy_init() - Set the initial state of the ntfy_object structure. + * @no: pointer to ntfy_object structure. + * + * This function sets the initial state of the ntfy_object in order it + * can be used by the other ntfy functions. + */ + +static inline void ntfy_init(struct ntfy_object *no) +{ + spin_lock_init(&no->ntfy_lock); + RAW_INIT_NOTIFIER_HEAD(&no->head); +} + +/** + * ntfy_delete() - delete list of nofy events registered. + * @ntfy_obj: Pointer to the ntfy object structure. + * + * This function is used to remove all the notify events registered. + * unregister function is not needed in this function, to unregister + * a ntfy_event please look at ntfy_register function. + * + */ +static inline void ntfy_delete(struct ntfy_object *ntfy_obj) +{ + struct ntfy_event *ne; + struct notifier_block *nb; + + spin_lock_bh(&ntfy_obj->ntfy_lock); + nb = ntfy_obj->head.head; + while (nb) { + ne = container_of(nb, struct ntfy_event, noti_block); + nb = nb->next; + kfree(ne); + } + spin_unlock_bh(&ntfy_obj->ntfy_lock); +} + +/** + * ntfy_notify() - nofity all event register for an specific event. + * @ntfy_obj: Pointer to the ntfy_object structure. + * @event: event to be notified. + * + * This function traverses all the ntfy events registers and + * set the event with mach with @event. + */ +static inline void ntfy_notify(struct ntfy_object *ntfy_obj, u32 event) +{ + spin_lock_bh(&ntfy_obj->ntfy_lock); + raw_notifier_call_chain(&ntfy_obj->head, event, NULL); + spin_unlock_bh(&ntfy_obj->ntfy_lock); +} + + + +/** + * ntfy_init() - Create and initialize a ntfy_event structure. + * @event: event that the ntfy event will respond + * @type event type (only DSP_SIGNALEVENT supported) + * + * This function create a ntfy_event element and sets the event it will + * respond the ntfy_event in order it can be used by the other ntfy functions. + * In case of success it will return a pointer to the ntfy_event struct + * created. Otherwise it will return NULL; + */ + +static inline struct ntfy_event *ntfy_event_create(u32 event, u32 type) +{ + struct ntfy_event *ne; + ne = kmalloc(sizeof(struct ntfy_event), GFP_KERNEL); + if (ne) { + sync_init_event(&ne->sync_obj); + ne->noti_block.notifier_call = dsp_notifier_event; + ne->event = event; + ne->type = type; + } + return ne; +} + +/** + * ntfy_register() - register new ntfy_event into a given ntfy_object + * @ntfy_obj: Pointer to the ntfy_object structure. + * @noti: Pointer to the handle to be returned to the user space. + * @event event that the ntfy event will respond + * @type event type (only DSP_SIGNALEVENT supported) + * + * This function register a new ntfy_event into the ntfy_object list, + * which will respond to the @event passed. + * This function will return 0 in case of error. + * -EFAULT in case of bad pointers and + * DSP_EMemory in case of no memory to create ntfy_event. + */ +static inline int ntfy_register(struct ntfy_object *ntfy_obj, + struct dsp_notification *noti, + u32 event, u32 type) +{ + struct ntfy_event *ne; + int status = 0; + + if (!noti || !ntfy_obj) { + status = -EFAULT; + goto func_end; + } + if (!event) { + status = -EINVAL; + goto func_end; + } + ne = ntfy_event_create(event, type); + if (!ne) { + status = -ENOMEM; + goto func_end; + } + noti->handle = &ne->sync_obj; + + spin_lock_bh(&ntfy_obj->ntfy_lock); + raw_notifier_chain_register(&ntfy_obj->head, &ne->noti_block); + spin_unlock_bh(&ntfy_obj->ntfy_lock); +func_end: + return status; +} + +/** + * ntfy_unregister() - unregister a ntfy_event from a given ntfy_object + * @ntfy_obj: Pointer to the ntfy_object structure. + * @noti: Pointer to the event that will be removed. + * + * This function unregister a ntfy_event from the ntfy_object list, + * @noti contains the event which is wanted to be removed. + * This function will return 0 in case of error. + * -EFAULT in case of bad pointers and + * DSP_EMemory in case of no memory to create ntfy_event. + */ +static inline int ntfy_unregister(struct ntfy_object *ntfy_obj, + struct dsp_notification *noti) +{ + int status = 0; + struct ntfy_event *ne; + + if (!noti || !ntfy_obj) { + status = -EFAULT; + goto func_end; + } + + ne = container_of((struct sync_object *)noti, struct ntfy_event, + sync_obj); + spin_lock_bh(&ntfy_obj->ntfy_lock); + raw_notifier_chain_unregister(&ntfy_obj->head, + &ne->noti_block); + kfree(ne); + spin_unlock_bh(&ntfy_obj->ntfy_lock); +func_end: + return status; +} + +#endif /* NTFY_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/proc.h b/drivers/staging/tidspbridge/include/dspbridge/proc.h new file mode 100644 index 0000000..230828c --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/proc.h @@ -0,0 +1,621 @@ +/* + * proc.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * This is the DSP API RM module interface. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef PROC_ +#define PROC_ + +#include <dspbridge/cfgdefs.h> +#include <dspbridge/devdefs.h> +#include <dspbridge/drv.h> + +extern char *iva_img; + +/* + * ======== proc_attach ======== + * Purpose: + * Prepare for communication with a particular DSP processor, and return + * a handle to the processor object. The PROC Object gets created + * Parameters: + * processor_id : The processor index (zero-based). + * hmgr_obj : Handle to the Manager Object + * attr_in : Ptr to the dsp_processorattrin structure. + * A NULL value means use default values. + * ph_processor : Ptr to location to store processor handle. + * Returns: + * 0 : Success. + * -EPERM : General failure. + * -EFAULT : Invalid processor handle. + * 0: Success; Processor already attached. + * Requires: + * ph_processor != NULL. + * PROC Initialized. + * Ensures: + * -EPERM, and *ph_processor == NULL, OR + * Success and *ph_processor is a Valid Processor handle OR + * 0 and *ph_processor is a Valid Processor. + * Details: + * When attr_in is NULL, the default timeout value is 10 seconds. + */ +extern int proc_attach(u32 processor_id, + OPTIONAL CONST struct dsp_processorattrin + *attr_in, void **ph_processor, + struct process_context *pr_ctxt); + +/* + * ======== proc_auto_start ========= + * Purpose: + * A Particular device gets loaded with the default image + * if the AutoStart flag is set. + * Parameters: + * hdev_obj : Handle to the Device + * Returns: + * 0 : On Successful Loading + * -ENOENT : No DSP exec file found. + * -EPERM : General Failure + * Requires: + * hdev_obj != NULL. + * dev_node_obj != NULL. + * PROC Initialized. + * Ensures: + */ +extern int proc_auto_start(struct cfg_devnode *dev_node_obj, + struct dev_object *hdev_obj); + +/* + * ======== proc_ctrl ======== + * Purpose: + * Pass control information to the GPP device driver managing the DSP + * processor. This will be an OEM-only function, and not part of the + * 'Bridge application developer's API. + * Parameters: + * hprocessor : The processor handle. + * dw_cmd : Private driver IOCTL cmd ID. + * pargs : Ptr to an driver defined argument structure. + * Returns: + * 0 : SUCCESS + * -EFAULT : Invalid processor handle. + * -ETIME: A Timeout Occured before the Control information + * could be sent. + * -EPERM : General Failure. + * Requires: + * PROC Initialized. + * Ensures + * Details: + * This function Calls bridge_dev_ctrl. + */ +extern int proc_ctrl(void *hprocessor, + u32 dw_cmd, IN struct dsp_cbdata *pargs); + +/* + * ======== proc_detach ======== + * Purpose: + * Close a DSP processor and de-allocate all (GPP) resources reserved + * for it. The Processor Object is deleted. + * Parameters: + * pr_ctxt : The processor handle. + * Returns: + * 0 : Success. + * -EFAULT : InValid Handle. + * -EPERM : General failure. + * Requires: + * PROC Initialized. + * Ensures: + * PROC Object is destroyed. + */ +extern int proc_detach(struct process_context *pr_ctxt); + +/* + * ======== proc_enum_nodes ======== + * Purpose: + * Enumerate the nodes currently allocated on a processor. + * Parameters: + * hprocessor : The processor handle. + * node_tab : The first Location of an array allocated for node + * handles. + * node_tab_size: The number of (DSP_HNODE) handles that can be held + * to the memory the client has allocated for node_tab + * pu_num_nodes : Location where DSPProcessor_EnumNodes will return + * the number of valid handles written to node_tab + * pu_allocated : Location where DSPProcessor_EnumNodes will return + * the number of nodes that are allocated on the DSP. + * Returns: + * 0 : Success. + * -EFAULT : Invalid processor handle. + * -EINVAL : The amount of memory allocated for node_tab is + * insufficent. That is the number of nodes actually + * allocated on the DSP is greater than the value + * specified for node_tab_size. + * -EPERM : Unable to get Resource Information. + * Details: + * Requires + * pu_num_nodes is not NULL. + * pu_allocated is not NULL. + * node_tab is not NULL. + * PROC Initialized. + * Ensures: + * Details: + */ +extern int proc_enum_nodes(void *hprocessor, + void **node_tab, + IN u32 node_tab_size, + OUT u32 *pu_num_nodes, + OUT u32 *pu_allocated); + +/* + * ======== proc_get_resource_info ======== + * Purpose: + * Enumerate the resources currently available on a processor. + * Parameters: + * hprocessor : The processor handle. + * resource_type: Type of resource . + * resource_info: Ptr to the dsp_resourceinfo structure. + * resource_info_size: Size of the structure. + * Returns: + * 0 : Success. + * -EFAULT : Invalid processor handle. + * -EBADR: The processor is not in the PROC_RUNNING state. + * -ETIME: A timeout occured before the DSP responded to the + * querry. + * -EPERM : Unable to get Resource Information + * Requires: + * resource_info is not NULL. + * Parameter resource_type is Valid.[TBD] + * resource_info_size is >= sizeof dsp_resourceinfo struct. + * PROC Initialized. + * Ensures: + * Details: + * This function currently returns + * -ENOSYS, and does not write any data to the resource_info struct. + */ +extern int proc_get_resource_info(void *hprocessor, + u32 resource_type, + OUT struct dsp_resourceinfo + *resource_info, + u32 resource_info_size); + +/* + * ======== proc_exit ======== + * Purpose: + * Decrement reference count, and free resources when reference count is + * 0. + * Parameters: + * Returns: + * Requires: + * PROC is initialized. + * Ensures: + * When reference count == 0, PROC's private resources are freed. + */ +extern void proc_exit(void); + +/* + * ======== proc_get_dev_object ========= + * Purpose: + * Returns the DEV Hanlde for a given Processor handle + * Parameters: + * hprocessor : Processor Handle + * phDevObject : Location to store the DEV Handle. + * Returns: + * 0 : Success; *phDevObject has Dev handle + * -EPERM : Failure; *phDevObject is zero. + * Requires: + * phDevObject is not NULL + * PROC Initialized. + * Ensures: + * 0 : *phDevObject is not NULL + * -EPERM : *phDevObject is NULL. + */ +extern int proc_get_dev_object(void *hprocessor, + struct dev_object **phDevObject); + +/* + * ======== proc_init ======== + * Purpose: + * Initialize PROC's private state, keeping a reference count on each + * call. + * Parameters: + * Returns: + * TRUE if initialized; FALSE if error occured. + * Requires: + * Ensures: + * TRUE: A requirement for the other public PROC functions. + */ +extern bool proc_init(void); + +/* + * ======== proc_get_state ======== + * Purpose: + * Report the state of the specified DSP processor. + * Parameters: + * hprocessor : The processor handle. + * proc_state_obj : Ptr to location to store the dsp_processorstate + * structure. + * state_info_size: Size of dsp_processorstate. + * Returns: + * 0 : Success. + * -EFAULT : Invalid processor handle. + * -EPERM : General failure while querying processor state. + * Requires: + * proc_state_obj is not NULL + * state_info_size is >= than the size of dsp_processorstate structure. + * PROC Initialized. + * Ensures: + * Details: + */ +extern int proc_get_state(void *hprocessor, OUT struct dsp_processorstate + *proc_state_obj, u32 state_info_size); + +/* + * ======== PROC_GetProcessorID ======== + * Purpose: + * Report the state of the specified DSP processor. + * Parameters: + * hprocessor : The processor handle. + * procID : Processor ID + * + * Returns: + * 0 : Success. + * -EFAULT : Invalid processor handle. + * -EPERM : General failure while querying processor state. + * Requires: + * proc_state_obj is not NULL + * state_info_size is >= than the size of dsp_processorstate structure. + * PROC Initialized. + * Ensures: + * Details: + */ +extern int proc_get_processor_id(void *hprocessor, u32 * procID); + +/* + * ======== proc_get_trace ======== + * Purpose: + * Retrieve the trace buffer from the specified DSP processor. + * Parameters: + * hprocessor : The processor handle. + * pbuf : Ptr to buffer to hold trace output. + * max_size : Maximum size of the output buffer. + * Returns: + * 0 : Success. + * -EFAULT : Invalid processor handle. + * -EPERM : General failure while retireving processor trace + * Buffer. + * Requires: + * pbuf is not NULL + * max_size is > 0. + * PROC Initialized. + * Ensures: + * Details: + */ +extern int proc_get_trace(void *hprocessor, u8 * pbuf, u32 max_size); + +/* + * ======== proc_load ======== + * Purpose: + * Reset a processor and load a new base program image. + * This will be an OEM-only function. + * Parameters: + * hprocessor: The processor handle. + * argc_index: The number of Arguments(strings)in the aArgV[] + * user_args: An Array of Arguments(Unicode Strings) + * user_envp: An Array of Environment settings(Unicode Strings) + * Returns: + * 0: Success. + * -ENOENT: The DSP Execuetable was not found. + * -EFAULT: Invalid processor handle. + * -EPERM : Unable to Load the Processor + * Requires: + * user_args is not NULL + * argc_index is > 0 + * PROC Initialized. + * Ensures: + * Success and ProcState == PROC_LOADED + * or DSP_FAILED status. + * Details: + * Does not implement access rights to control which GPP application + * can load the processor. + */ +extern int proc_load(void *hprocessor, + IN CONST s32 argc_index, IN CONST char **user_args, + IN CONST char **user_envp); + +/* + * ======== proc_register_notify ======== + * Purpose: + * Register to be notified of specific processor events + * Parameters: + * hprocessor : The processor handle. + * event_mask : Mask of types of events to be notified about. + * notify_type : Type of notification to be sent. + * hnotification: Handle to be used for notification. + * Returns: + * 0 : Success. + * -EFAULT : Invalid processor handle or hnotification. + * -EINVAL : Parameter event_mask is Invalid + * DSP_ENOTIMP : The notification type specified in uNotifyMask + * is not supported. + * -EPERM : Unable to register for notification. + * Requires: + * hnotification is not NULL + * PROC Initialized. + * Ensures: + * Details: + */ +extern int proc_register_notify(void *hprocessor, + u32 event_mask, u32 notify_type, + struct dsp_notification + *hnotification); + +/* + * ======== proc_notify_clients ======== + * Purpose: + * Notify the Processor Clients + * Parameters: + * hProc : The processor handle. + * uEvents : Event to be notified about. + * Returns: + * 0 : Success. + * -EFAULT : Invalid processor handle. + * -EPERM : Failure to Set or Reset the Event + * Requires: + * uEvents is Supported or Valid type of Event + * hProc is a valid handle + * PROC Initialized. + * Ensures: + */ +extern int proc_notify_clients(void *hProc, u32 uEvents); + +/* + * ======== proc_notify_all_clients ======== + * Purpose: + * Notify the Processor Clients + * Parameters: + * hProc : The processor handle. + * uEvents : Event to be notified about. + * Returns: + * 0 : Success. + * -EFAULT : Invalid processor handle. + * -EPERM : Failure to Set or Reset the Event + * Requires: + * uEvents is Supported or Valid type of Event + * hProc is a valid handle + * PROC Initialized. + * Ensures: + * Details: + * NODE And STRM would use this function to notify their clients + * about the state changes in NODE or STRM. + */ +extern int proc_notify_all_clients(void *hProc, u32 uEvents); + +/* + * ======== proc_start ======== + * Purpose: + * Start a processor running. + * Processor must be in PROC_LOADED state. + * This will be an OEM-only function, and not part of the 'Bridge + * application developer's API. + * Parameters: + * hprocessor : The processor handle. + * Returns: + * 0 : Success. + * -EFAULT : Invalid processor handle. + * -EBADR: Processor is not in PROC_LOADED state. + * -EPERM : Unable to start the processor. + * Requires: + * PROC Initialized. + * Ensures: + * Success and ProcState == PROC_RUNNING or DSP_FAILED status. + * Details: + */ +extern int proc_start(void *hprocessor); + +/* + * ======== proc_stop ======== + * Purpose: + * Start a processor running. + * Processor must be in PROC_LOADED state. + * This will be an OEM-only function, and not part of the 'Bridge + * application developer's API. + * Parameters: + * hprocessor : The processor handle. + * Returns: + * 0 : Success. + * -EFAULT : Invalid processor handle. + * -EBADR: Processor is not in PROC_LOADED state. + * -EPERM : Unable to start the processor. + * Requires: + * PROC Initialized. + * Ensures: + * Success and ProcState == PROC_RUNNING or DSP_FAILED status. + * Details: + */ +extern int proc_stop(void *hprocessor); + +/* + * ======== proc_end_dma ======== + * Purpose: + * Begin a DMA transfer + * Parameters: + * hprocessor : The processor handle. + * pmpu_addr : Buffer start address + * ul_size : Buffer size + * dir : The direction of the transfer + * Requires: + * Memory was previously mapped. + */ +extern int proc_end_dma(void *hprocessor, void *pmpu_addr, u32 ul_size, + enum dma_data_direction dir); +/* + * ======== proc_begin_dma ======== + * Purpose: + * Begin a DMA transfer + * Parameters: + * hprocessor : The processor handle. + * pmpu_addr : Buffer start address + * ul_size : Buffer size + * dir : The direction of the transfer + * Requires: + * Memory was previously mapped. + */ +extern int proc_begin_dma(void *hprocessor, void *pmpu_addr, u32 ul_size, + enum dma_data_direction dir); + +/* + * ======== proc_flush_memory ======== + * Purpose: + * Flushes a buffer from the MPU data cache. + * Parameters: + * hprocessor : The processor handle. + * pmpu_addr : Buffer start address + * ul_size : Buffer size + * ul_flags : Reserved. + * Returns: + * 0 : Success. + * -EFAULT : Invalid processor handle. + * -EPERM : General failure. + * Requires: + * PROC Initialized. + * Ensures: + * Details: + * All the arguments are currently ignored. + */ +extern int proc_flush_memory(void *hprocessor, + void *pmpu_addr, u32 ul_size, u32 ul_flags); + +/* + * ======== proc_invalidate_memory ======== + * Purpose: + * Invalidates a buffer from the MPU data cache. + * Parameters: + * hprocessor : The processor handle. + * pmpu_addr : Buffer start address + * ul_size : Buffer size + * Returns: + * 0 : Success. + * -EFAULT : Invalid processor handle. + * -EPERM : General failure. + * Requires: + * PROC Initialized. + * Ensures: + * Details: + * All the arguments are currently ignored. + */ +extern int proc_invalidate_memory(void *hprocessor, + void *pmpu_addr, u32 ul_size); + +/* + * ======== proc_map ======== + * Purpose: + * Maps a MPU buffer to DSP address space. + * Parameters: + * hprocessor : The processor handle. + * pmpu_addr : Starting address of the memory region to map. + * ul_size : Size of the memory region to map. + * req_addr : Requested DSP start address. Offset-adjusted actual + * mapped address is in the last argument. + * pp_map_addr : Ptr to DSP side mapped u8 address. + * ul_map_attr : Optional endianness attributes, virt to phys flag. + * Returns: + * 0 : Success. + * -EFAULT : Invalid processor handle. + * -EPERM : General failure. + * -ENOMEM : MPU side memory allocation error. + * -ENOENT : Cannot find a reserved region starting with this + * : address. + * Requires: + * pmpu_addr is not NULL + * ul_size is not zero + * pp_map_addr is not NULL + * PROC Initialized. + * Ensures: + * Details: + */ +extern int proc_map(void *hprocessor, + void *pmpu_addr, + u32 ul_size, + void *req_addr, + void **pp_map_addr, u32 ul_map_attr, + struct process_context *pr_ctxt); + +/* + * ======== proc_reserve_memory ======== + * Purpose: + * Reserve a virtually contiguous region of DSP address space. + * Parameters: + * hprocessor : The processor handle. + * ul_size : Size of the address space to reserve. + * pp_rsv_addr : Ptr to DSP side reserved u8 address. + * Returns: + * 0 : Success. + * -EFAULT : Invalid processor handle. + * -EPERM : General failure. + * -ENOMEM : Cannot reserve chunk of this size. + * Requires: + * pp_rsv_addr is not NULL + * PROC Initialized. + * Ensures: + * Details: + */ +extern int proc_reserve_memory(void *hprocessor, + u32 ul_size, void **pp_rsv_addr, + struct process_context *pr_ctxt); + +/* + * ======== proc_un_map ======== + * Purpose: + * Removes a MPU buffer mapping from the DSP address space. + * Parameters: + * hprocessor : The processor handle. + * map_addr : Starting address of the mapped memory region. + * Returns: + * 0 : Success. + * -EFAULT : Invalid processor handle. + * -EPERM : General failure. + * -ENOENT : Cannot find a mapped region starting with this + * : address. + * Requires: + * map_addr is not NULL + * PROC Initialized. + * Ensures: + * Details: + */ +extern int proc_un_map(void *hprocessor, void *map_addr, + struct process_context *pr_ctxt); + +/* + * ======== proc_un_reserve_memory ======== + * Purpose: + * Frees a previously reserved region of DSP address space. + * Parameters: + * hprocessor : The processor handle. + * prsv_addr : Ptr to DSP side reservedBYTE address. + * Returns: + * 0 : Success. + * -EFAULT : Invalid processor handle. + * -EPERM : General failure. + * -ENOENT : Cannot find a reserved region starting with this + * : address. + * Requires: + * prsv_addr is not NULL + * PROC Initialized. + * Ensures: + * Details: + */ +extern int proc_un_reserve_memory(void *hprocessor, + void *prsv_addr, + struct process_context *pr_ctxt); + +#endif /* PROC_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/procpriv.h b/drivers/staging/tidspbridge/include/dspbridge/procpriv.h new file mode 100644 index 0000000..77d1f0e --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/procpriv.h @@ -0,0 +1,25 @@ +/* + * procpriv.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Global PROC constants and types, shared by PROC, MGR and DSP API. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef PROCPRIV_ +#define PROCPRIV_ + +/* RM PROC Object */ +struct proc_object; + +#endif /* PROCPRIV_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/pwr.h b/drivers/staging/tidspbridge/include/dspbridge/pwr.h new file mode 100644 index 0000000..63ccf8c --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/pwr.h @@ -0,0 +1,107 @@ +/* + * pwr.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef PWR_ +#define PWR_ + +#include <dspbridge/dbdefs.h> +#include <dspbridge/pwr_sh.h> + +/* + * ======== pwr_sleep_dsp ======== + * Signal the DSP to go to sleep. + * + * Parameters: + * sleepCode: New sleep state for DSP. (Initially, valid codes + * are PWR_DEEPSLEEP or PWR_EMERGENCYDEEPSLEEP; both of + * these codes will simply put the DSP in deep sleep.) + * + * timeout: Maximum time (msec) that PWR should wait for + * confirmation that the DSP sleep state has been + * reached. If PWR should simply send the command to + * the DSP to go to sleep and then return (i.e., + * asynchrounous sleep), the timeout should be + * specified as zero. + * + * Returns: + * 0: Success. + * 0: Success, but the DSP was already asleep. + * -EINVAL: The specified sleepCode is not supported. + * -ETIME: A timeout occured while waiting for DSP sleep + * confirmation. + * -EPERM: General failure, unable to send sleep command to + * the DSP. + */ +extern int pwr_sleep_dsp(IN CONST u32 sleepCode, IN CONST u32 timeout); + +/* + * ======== pwr_wake_dsp ======== + * Signal the DSP to wake from sleep. + * + * Parameters: + * timeout: Maximum time (msec) that PWR should wait for + * confirmation that the DSP is awake. If PWR should + * simply send a command to the DSP to wake and then + * return (i.e., asynchrounous wake), timeout should + * be specified as zero. + * + * Returns: + * 0: Success. + * 0: Success, but the DSP was already awake. + * -ETIME: A timeout occured while waiting for wake + * confirmation. + * -EPERM: General failure, unable to send wake command to + * the DSP. + */ +extern int pwr_wake_dsp(IN CONST u32 timeout); + +/* + * ======== pwr_pm_pre_scale ======== + * Prescale notification to DSP. + * + * Parameters: + * voltage_domain: The voltage domain for which notification is sent + * level: The level of voltage domain + * + * Returns: + * 0: Success. + * 0: Success, but the DSP was already awake. + * -ETIME: A timeout occured while waiting for wake + * confirmation. + * -EPERM: General failure, unable to send wake command to + * the DSP. + */ +extern int pwr_pm_pre_scale(IN u16 voltage_domain, u32 level); + +/* + * ======== pwr_pm_post_scale ======== + * PostScale notification to DSP. + * + * Parameters: + * voltage_domain: The voltage domain for which notification is sent + * level: The level of voltage domain + * + * Returns: + * 0: Success. + * 0: Success, but the DSP was already awake. + * -ETIME: A timeout occured while waiting for wake + * confirmation. + * -EPERM: General failure, unable to send wake command to + * the DSP. + */ +extern int pwr_pm_post_scale(IN u16 voltage_domain, u32 level); + +#endif /* PWR_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/pwr_sh.h b/drivers/staging/tidspbridge/include/dspbridge/pwr_sh.h new file mode 100644 index 0000000..1b4a090 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/pwr_sh.h @@ -0,0 +1,33 @@ +/* + * pwr_sh.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Power Manager shared definitions (used on both GPP and DSP sides). + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef PWR_SH_ +#define PWR_SH_ + +#include <dspbridge/mbx_sh.h> + +/* valid sleep command codes that can be sent by GPP via mailbox: */ +#define PWR_DEEPSLEEP MBX_PM_DSPIDLE +#define PWR_EMERGENCYDEEPSLEEP MBX_PM_EMERGENCYSLEEP +#define PWR_SLEEPUNTILRESTART MBX_PM_SLEEPUNTILRESTART +#define PWR_WAKEUP MBX_PM_DSPWAKEUP +#define PWR_AUTOENABLE MBX_PM_PWRENABLE +#define PWR_AUTODISABLE MBX_PM_PWRDISABLE +#define PWR_RETENTION MBX_PM_DSPRETN + +#endif /* PWR_SH_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/resourcecleanup.h b/drivers/staging/tidspbridge/include/dspbridge/resourcecleanup.h new file mode 100644 index 0000000..b452a71 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/resourcecleanup.h @@ -0,0 +1,63 @@ +/* + * resourcecleanup.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#include <dspbridge/nodepriv.h> +#include <dspbridge/drv.h> + +extern int drv_get_proc_ctxt_list(struct process_context **pPctxt, + struct drv_object *hdrv_obj); + +extern int drv_insert_proc_context(struct drv_object *hDrVObject, + void *hPCtxt); + +extern int drv_remove_all_dmm_res_elements(void *ctxt); + +extern int drv_remove_all_node_res_elements(void *ctxt); + +extern int drv_proc_set_pid(void *ctxt, s32 process); + +extern int drv_remove_all_resources(void *pPctxt); + +extern int drv_remove_proc_context(struct drv_object *hDRVObject, + void *pr_ctxt); + +extern int drv_get_node_res_element(void *hnode, void *node_res, + void *ctxt); + +extern int drv_insert_node_res_element(void *hnode, void *node_res, + void *ctxt); + +extern void drv_proc_node_update_heap_status(void *hNodeRes, s32 status); + +extern int drv_remove_node_res_element(void *node_res, void *status); + +extern void drv_proc_node_update_status(void *hNodeRes, s32 status); + +extern int drv_proc_update_strm_res(u32 num_bufs, void *strm_res); + +extern int drv_proc_insert_strm_res_element(void *hStrm, + void *strm_res, + void *pPctxt); + +extern int drv_get_strm_res_element(void *hStrm, void *strm_res, + void *ctxt); + +extern int drv_proc_remove_strm_res_element(void *strm_res, + void *ctxt); + +extern int drv_remove_all_strm_res_elements(void *ctxt); + +extern enum node_state node_get_state(void *hnode); diff --git a/drivers/staging/tidspbridge/include/dspbridge/rmm.h b/drivers/staging/tidspbridge/include/dspbridge/rmm.h new file mode 100644 index 0000000..d36a8c3 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/rmm.h @@ -0,0 +1,181 @@ +/* + * rmm.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * This memory manager provides general heap management and arbitrary + * alignment for any number of memory segments, and management of overlay + * memory. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef RMM_ +#define RMM_ + +/* + * ======== rmm_addr ======== + * DSP address + segid + */ +struct rmm_addr { + u32 addr; + s32 segid; +}; + +/* + * ======== rmm_segment ======== + * Memory segment on the DSP available for remote allocations. + */ +struct rmm_segment { + u32 base; /* Base of the segment */ + u32 length; /* Size of the segment (target MAUs) */ + s32 space; /* Code or data */ + u32 number; /* Number of Allocated Blocks */ +}; + +/* + * ======== RMM_Target ======== + */ +struct rmm_target_obj; + +/* + * ======== rmm_alloc ======== + * + * rmm_alloc is used to remotely allocate or reserve memory on the DSP. + * + * Parameters: + * target - Target returned from rmm_create(). + * segid - Memory segment to allocate from. + * size - Size (target MAUS) to allocate. + * align - alignment. + * dspAddr - If reserve is FALSE, the location to store allocated + * address on output, otherwise, the DSP address to + * reserve. + * reserve - If TRUE, reserve the memory specified by dspAddr. + * Returns: + * 0: Success. + * -ENOMEM: Memory allocation on GPP failed. + * -ENXIO: Cannot "allocate" overlay memory because it's + * already in use. + * Requires: + * RMM initialized. + * Valid target. + * dspAddr != NULL. + * size > 0 + * reserve || target->num_segs > 0. + * Ensures: + */ +extern int rmm_alloc(struct rmm_target_obj *target, u32 segid, u32 size, + u32 align, u32 *dspAdr, bool reserve); + +/* + * ======== rmm_create ======== + * Create a target object with memory segments for remote allocation. If + * seg_tab == NULL or num_segs == 0, memory can only be reserved through + * rmm_alloc(). + * + * Parameters: + * target_obj: - Location to store target on output. + * seg_tab: - Table of memory segments. + * num_segs: - Number of memory segments. + * Returns: + * 0: Success. + * -ENOMEM: Memory allocation failed. + * Requires: + * RMM initialized. + * target_obj != NULL. + * num_segs == 0 || seg_tab != NULL. + * Ensures: + * Success: Valid *target_obj. + * Failure: *target_obj == NULL. + */ +extern int rmm_create(struct rmm_target_obj **target_obj, + struct rmm_segment seg_tab[], u32 num_segs); + +/* + * ======== rmm_delete ======== + * Delete target allocated in rmm_create(). + * + * Parameters: + * target - Target returned from rmm_create(). + * Returns: + * Requires: + * RMM initialized. + * Valid target. + * Ensures: + */ +extern void rmm_delete(struct rmm_target_obj *target); + +/* + * ======== rmm_exit ======== + * Exit the RMM module + * + * Parameters: + * Returns: + * Requires: + * rmm_init successfully called. + * Ensures: + */ +extern void rmm_exit(void); + +/* + * ======== rmm_free ======== + * Free or unreserve memory allocated through rmm_alloc(). + * + * Parameters: + * target: - Target returned from rmm_create(). + * segid: - Segment of memory to free. + * dspAddr: - Address to free or unreserve. + * size: - Size of memory to free or unreserve. + * reserved: - TRUE if memory was reserved only, otherwise FALSE. + * Returns: + * Requires: + * RMM initialized. + * Valid target. + * reserved || segid < target->num_segs. + * reserve || [dspAddr, dspAddr + size] is a valid memory range. + * Ensures: + */ +extern bool rmm_free(struct rmm_target_obj *target, u32 segid, u32 dspAddr, + u32 size, bool reserved); + +/* + * ======== rmm_init ======== + * Initialize the RMM module + * + * Parameters: + * Returns: + * TRUE: Success. + * FALSE: Failure. + * Requires: + * Ensures: + */ +extern bool rmm_init(void); + +/* + * ======== rmm_stat ======== + * Obtain memory segment status + * + * Parameters: + * segid: Segment ID of the dynamic loading segment. + * pMemStatBuf: Pointer to allocated buffer into which memory stats are + * placed. + * Returns: + * TRUE: Success. + * FALSE: Failure. + * Requires: + * segid < target->num_segs + * Ensures: + */ +extern bool rmm_stat(struct rmm_target_obj *target, enum dsp_memtype segid, + struct dsp_memstat *pMemStatBuf); + +#endif /* RMM_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/rms_sh.h b/drivers/staging/tidspbridge/include/dspbridge/rms_sh.h new file mode 100644 index 0000000..7bc5574 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/rms_sh.h @@ -0,0 +1,95 @@ +/* + * rms_sh.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * DSP/BIOS Bridge Resource Manager Server shared definitions (used on both + * GPP and DSP sides). + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef RMS_SH_ +#define RMS_SH_ + +#include <dspbridge/rmstypes.h> + +/* Node Types: */ +#define RMS_TASK 1 /* Task node */ +#define RMS_DAIS 2 /* xDAIS socket node */ +#define RMS_MSG 3 /* Message node */ + +/* Memory Types: */ +#define RMS_CODE 0 /* Program space */ +#define RMS_DATA 1 /* Data space */ +#define RMS_IO 2 /* I/O space */ + +/* RM Server Command and Response Buffer Sizes: */ +#define RMS_COMMANDBUFSIZE 256 /* Size of command buffer */ +#define RMS_RESPONSEBUFSIZE 16 /* Size of response buffer */ + +/* Pre-Defined Command/Response Codes: */ +#define RMS_EXIT 0x80000000 /* GPP->Node: shutdown */ +#define RMS_EXITACK 0x40000000 /* Node->GPP: ack shutdown */ +#define RMS_BUFDESC 0x20000000 /* Arg1 SM buf, Arg2 SM size */ +#define RMS_KILLTASK 0x10000000 /* GPP->Node: Kill Task */ +#define RMS_USER 0x0 /* Start of user-defined msg codes */ +#define RMS_MAXUSERCODES 0xfff /* Maximum user defined C/R Codes */ + +/* RM Server RPC Command Structure: */ +struct rms_command { + rms_word fxn; /* Server function address */ + rms_word arg1; /* First argument */ + rms_word arg2; /* Second argument */ + rms_word data; /* Function-specific data array */ +}; + +/* + * The rms_strm_def structure defines the parameters for both input and output + * streams, and is passed to a node's create function. + */ +struct rms_strm_def { + rms_word bufsize; /* Buffer size (in DSP words) */ + rms_word nbufs; /* Max number of bufs in stream */ + rms_word segid; /* Segment to allocate buffers */ + rms_word align; /* Alignment for allocated buffers */ + rms_word timeout; /* Timeout (msec) for blocking calls */ + char name[1]; /* Device Name (terminated by '\0') */ +}; + +/* Message node create args structure: */ +struct rms_msg_args { + rms_word max_msgs; /* Max # simultaneous msgs to node */ + rms_word segid; /* Mem segment for NODE_allocMsgBuf */ + rms_word notify_type; /* Type of message notification */ + rms_word arg_length; /* Length (in DSP chars) of arg data */ + rms_word arg_data; /* Arg data for node */ +}; + +/* Partial task create args structure */ +struct rms_more_task_args { + rms_word priority; /* Task's runtime priority level */ + rms_word stack_size; /* Task's stack size */ + rms_word sysstack_size; /* Task's system stack size (55x) */ + rms_word stack_seg; /* Memory segment for task's stack */ + rms_word heap_addr; /* base address of the node memory heap in + * external memory (DSP virtual address) */ + rms_word heap_size; /* size in MAUs of the node memory heap in + * external memory */ + rms_word misc; /* Misc field. Not used for 'normal' + * task nodes; for xDAIS socket nodes + * specifies the IALG_Fxn pointer. + */ + /* # input STRM definition structures */ + rms_word num_input_streams; +}; + +#endif /* RMS_SH_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/rmstypes.h b/drivers/staging/tidspbridge/include/dspbridge/rmstypes.h new file mode 100644 index 0000000..3c31f5e --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/rmstypes.h @@ -0,0 +1,28 @@ +/* + * rmstypes.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * DSP/BIOS Bridge Resource Manager Server shared data type definitions. + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef RMSTYPES_ +#define RMSTYPES_ +#include <linux/types.h> +/* + * DSP-side definitions. + */ +#include <dspbridge/std.h> +typedef u32 rms_word; + +#endif /* RMSTYPES_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/services.h b/drivers/staging/tidspbridge/include/dspbridge/services.h new file mode 100644 index 0000000..eb26c86 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/services.h @@ -0,0 +1,50 @@ +/* + * services.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Provide loading and unloading of SERVICES modules. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef SERVICES_ +#define SERVICES_ + +#include <dspbridge/host_os.h> +/* + * ======== services_exit ======== + * Purpose: + * Discontinue usage of module; free resources when reference count + * reaches 0. + * Parameters: + * Returns: + * Requires: + * SERVICES initialized. + * Ensures: + * Resources used by module are freed when cRef reaches zero. + */ +extern void services_exit(void); + +/* + * ======== services_init ======== + * Purpose: + * Initializes SERVICES modules. + * Parameters: + * Returns: + * TRUE if all modules initialized; otherwise FALSE. + * Requires: + * Ensures: + * SERVICES modules initialized. + */ +extern bool services_init(void); + +#endif /* SERVICES_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/std.h b/drivers/staging/tidspbridge/include/dspbridge/std.h new file mode 100644 index 0000000..7e09fec --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/std.h @@ -0,0 +1,94 @@ +/* + * std.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Copyright (C) 2008 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef STD_ +#define STD_ + +#include <linux/types.h> + +/* + * ======== _TI_ ======== + * _TI_ is defined for all TI targets + */ +#if defined(_29_) || defined(_30_) || defined(_40_) || defined(_50_) || \ + defined(_54_) || defined(_55_) || defined(_6x_) || defined(_80_) || \ + defined(_28_) || defined(_24_) +#define _TI_ 1 +#endif + +/* + * ======== _FLOAT_ ======== + * _FLOAT_ is defined for all targets that natively support floating point + */ +#if defined(_SUN_) || defined(_30_) || defined(_40_) || defined(_67_) || \ + defined(_80_) +#define _FLOAT_ 1 +#endif + +/* + * ======== _FIXED_ ======== + * _FIXED_ is defined for all fixed point target architectures + */ +#if defined(_29_) || defined(_50_) || defined(_54_) || defined(_55_) || \ + defined(_62_) || defined(_64_) || defined(_28_) +#define _FIXED_ 1 +#endif + +/* + * ======== _TARGET_ ======== + * _TARGET_ is defined for all target architectures (as opposed to + * host-side software) + */ +#if defined(_FIXED_) || defined(_FLOAT_) +#define _TARGET_ 1 +#endif + +/* + * 8, 16, 32-bit type definitions + * + * Sm* - 8-bit type + * Md* - 16-bit type + * Lg* - 32-bit type + * + * *s32 - signed type + * *u32 - unsigned type + * *Bits - unsigned type (bit-maps) + */ + +/* + * Aliases for standard C types + */ + +typedef s32(*fxn) (void); /* generic function type */ + +#ifndef NULL +#define NULL 0 +#endif + +/* + * These macros are used to cast 'Arg' types to 's32' or 'Ptr'. + * These macros were added for the 55x since Arg is not the same + * size as s32 and Ptr in 55x large model. + */ +#if defined(_28l_) || defined(_55l_) +#define ARG_TO_INT(A) ((s32)((long)(A) & 0xffff)) +#define ARG_TO_PTR(A) ((Ptr)(A)) +#else +#define ARG_TO_INT(A) ((s32)(A)) +#define ARG_TO_PTR(A) ((Ptr)(A)) +#endif + +#endif /* STD_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/strm.h b/drivers/staging/tidspbridge/include/dspbridge/strm.h new file mode 100644 index 0000000..b85a460 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/strm.h @@ -0,0 +1,404 @@ +/* + * strm.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * DSPBridge Stream Manager. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef STRM_ +#define STRM_ + +#include <dspbridge/dev.h> + +#include <dspbridge/strmdefs.h> +#include <dspbridge/proc.h> + +/* + * ======== strm_allocate_buffer ======== + * Purpose: + * Allocate data buffer(s) for use with a stream. + * Parameter: + * hStrm: Stream handle returned from strm_open(). + * usize: Size (GPP bytes) of the buffer(s). + * num_bufs: Number of buffers to allocate. + * ap_buffer: Array to hold buffer addresses. + * Returns: + * 0: Success. + * -EFAULT: Invalid hStrm. + * -ENOMEM: Insufficient memory. + * -EPERM: Failure occurred, unable to allocate buffers. + * -EINVAL: usize must be > 0 bytes. + * Requires: + * strm_init(void) called. + * ap_buffer != NULL. + * Ensures: + */ +extern int strm_allocate_buffer(struct strm_object *hStrm, + u32 usize, + OUT u8 **ap_buffer, + u32 num_bufs, + struct process_context *pr_ctxt); + +/* + * ======== strm_close ======== + * Purpose: + * Close a stream opened with strm_open(). + * Parameter: + * hStrm: Stream handle returned from strm_open(). + * Returns: + * 0: Success. + * -EFAULT: Invalid hStrm. + * -EPIPE: Some data buffers issued to the stream have not + * been reclaimed. + * -EPERM: Failure to close stream. + * Requires: + * strm_init(void) called. + * Ensures: + */ +extern int strm_close(struct strm_object *hStrm, + struct process_context *pr_ctxt); + +/* + * ======== strm_create ======== + * Purpose: + * Create a STRM manager object. This object holds information about the + * device needed to open streams. + * Parameters: + * phStrmMgr: Location to store handle to STRM manager object on + * output. + * dev_obj: Device for this processor. + * Returns: + * 0: Success; + * -ENOMEM: Insufficient memory for requested resources. + * -EPERM: General failure. + * Requires: + * strm_init(void) called. + * phStrmMgr != NULL. + * dev_obj != NULL. + * Ensures: + * 0: Valid *phStrmMgr. + * error: *phStrmMgr == NULL. + */ +extern int strm_create(OUT struct strm_mgr **phStrmMgr, + struct dev_object *dev_obj); + +/* + * ======== strm_delete ======== + * Purpose: + * Delete the STRM Object. + * Parameters: + * strm_mgr_obj: Handle to STRM manager object from strm_create. + * Returns: + * Requires: + * strm_init(void) called. + * Valid strm_mgr_obj. + * Ensures: + * strm_mgr_obj is not valid. + */ +extern void strm_delete(struct strm_mgr *strm_mgr_obj); + +/* + * ======== strm_exit ======== + * Purpose: + * Discontinue usage of STRM module. + * Parameters: + * Returns: + * Requires: + * strm_init(void) successfully called before. + * Ensures: + */ +extern void strm_exit(void); + +/* + * ======== strm_free_buffer ======== + * Purpose: + * Free buffer(s) allocated with strm_allocate_buffer. + * Parameter: + * hStrm: Stream handle returned from strm_open(). + * ap_buffer: Array containing buffer addresses. + * num_bufs: Number of buffers to be freed. + * Returns: + * 0: Success. + * -EFAULT: Invalid stream handle. + * -EPERM: Failure occurred, unable to free buffers. + * Requires: + * strm_init(void) called. + * ap_buffer != NULL. + * Ensures: + */ +extern int strm_free_buffer(struct strm_object *hStrm, + u8 **ap_buffer, u32 num_bufs, + struct process_context *pr_ctxt); + +/* + * ======== strm_get_event_handle ======== + * Purpose: + * Get stream's user event handle. This function is used when closing + * a stream, so the event can be closed. + * Parameter: + * hStrm: Stream handle returned from strm_open(). + * ph_event: Location to store event handle on output. + * Returns: + * 0: Success. + * -EFAULT: Invalid hStrm. + * Requires: + * strm_init(void) called. + * ph_event != NULL. + * Ensures: + */ +extern int strm_get_event_handle(struct strm_object *hStrm, + OUT void **ph_event); + +/* + * ======== strm_get_info ======== + * Purpose: + * Get information about a stream. User's dsp_streaminfo is contained + * in stream_info struct. stream_info also contains Bridge private info. + * Parameters: + * hStrm: Stream handle returned from strm_open(). + * stream_info: Location to store stream info on output. + * uSteamInfoSize: Size of user's dsp_streaminfo structure. + * Returns: + * 0: Success. + * -EFAULT: Invalid hStrm. + * -EINVAL: stream_info_size < sizeof(dsp_streaminfo). + * -EPERM: Unable to get stream info. + * Requires: + * strm_init(void) called. + * stream_info != NULL. + * Ensures: + */ +extern int strm_get_info(struct strm_object *hStrm, + OUT struct stream_info *stream_info, + u32 stream_info_size); + +/* + * ======== strm_idle ======== + * Purpose: + * Idle a stream and optionally flush output data buffers. + * If this is an output stream and fFlush is TRUE, all data currently + * enqueued will be discarded. + * If this is an output stream and fFlush is FALSE, this function + * will block until all currently buffered data is output, or the timeout + * specified has been reached. + * After a successful call to strm_idle(), all buffers can immediately + * be reclaimed. + * Parameters: + * hStrm: Stream handle returned from strm_open(). + * fFlush: If TRUE, discard output buffers. + * Returns: + * 0: Success. + * -EFAULT: Invalid hStrm. + * -ETIME: A timeout occurred before the stream could be idled. + * -EPERM: Unable to idle stream. + * Requires: + * strm_init(void) called. + * Ensures: + */ +extern int strm_idle(struct strm_object *hStrm, bool fFlush); + +/* + * ======== strm_init ======== + * Purpose: + * Initialize the STRM module. + * Parameters: + * Returns: + * TRUE if initialization succeeded, FALSE otherwise. + * Requires: + * Ensures: + */ +extern bool strm_init(void); + +/* + * ======== strm_issue ======== + * Purpose: + * Send a buffer of data to a stream. + * Parameters: + * hStrm: Stream handle returned from strm_open(). + * pbuf: Pointer to buffer of data to be sent to the stream. + * ul_bytes: Number of bytes of data in the buffer. + * ul_buf_size: Actual buffer size in bytes. + * dw_arg: A user argument that travels with the buffer. + * Returns: + * 0: Success. + * -EFAULT: Invalid hStrm. + * -ENOSR: The stream is full. + * -EPERM: Failure occurred, unable to issue buffer. + * Requires: + * strm_init(void) called. + * pbuf != NULL. + * Ensures: + */ +extern int strm_issue(struct strm_object *hStrm, IN u8 * pbuf, + u32 ul_bytes, u32 ul_buf_size, IN u32 dw_arg); + +/* + * ======== strm_open ======== + * Purpose: + * Open a stream for sending/receiving data buffers to/from a task of + * DAIS socket node on the DSP. + * Parameters: + * hnode: Node handle returned from node_allocate(). + * dir: DSP_TONODE or DSP_FROMNODE. + * index: Stream index. + * pattr: Pointer to structure containing attributes to be + * applied to stream. Cannot be NULL. + * phStrm: Location to store stream handle on output. + * Returns: + * 0: Success. + * -EFAULT: Invalid hnode. + * -EPERM: Invalid direction. + * hnode is not a task or DAIS socket node. + * Unable to open stream. + * -EINVAL: Invalid index. + * Requires: + * strm_init(void) called. + * phStrm != NULL. + * pattr != NULL. + * Ensures: + * 0: *phStrm is valid. + * error: *phStrm == NULL. + */ +extern int strm_open(struct node_object *hnode, u32 dir, + u32 index, IN struct strm_attr *pattr, + OUT struct strm_object **phStrm, + struct process_context *pr_ctxt); + +/* + * ======== strm_prepare_buffer ======== + * Purpose: + * Prepare a data buffer not allocated by DSPStream_AllocateBuffers() + * for use with a stream. + * Parameter: + * hStrm: Stream handle returned from strm_open(). + * usize: Size (GPP bytes) of the buffer. + * pbuffer: Buffer address. + * Returns: + * 0: Success. + * -EFAULT: Invalid hStrm. + * -EPERM: Failure occurred, unable to prepare buffer. + * Requires: + * strm_init(void) called. + * pbuffer != NULL. + * Ensures: + */ +extern int strm_prepare_buffer(struct strm_object *hStrm, + u32 usize, u8 *pbuffer); + +/* + * ======== strm_reclaim ======== + * Purpose: + * Request a buffer back from a stream. + * Parameters: + * hStrm: Stream handle returned from strm_open(). + * buf_ptr: Location to store pointer to reclaimed buffer. + * pulBytes: Location where number of bytes of data in the + * buffer will be written. + * pulBufSize: Location where actual buffer size will be written. + * pdw_arg: Location where user argument that travels with + * the buffer will be written. + * Returns: + * 0: Success. + * -EFAULT: Invalid hStrm. + * -ETIME: A timeout occurred before a buffer could be + * retrieved. + * -EPERM: Failure occurred, unable to reclaim buffer. + * Requires: + * strm_init(void) called. + * buf_ptr != NULL. + * pulBytes != NULL. + * pdw_arg != NULL. + * Ensures: + */ +extern int strm_reclaim(struct strm_object *hStrm, + OUT u8 **buf_ptr, u32 * pulBytes, + u32 *pulBufSize, u32 *pdw_arg); + +/* + * ======== strm_register_notify ======== + * Purpose: + * Register to be notified on specific events for this stream. + * Parameters: + * hStrm: Stream handle returned by strm_open(). + * event_mask: Mask of types of events to be notified about. + * notify_type: Type of notification to be sent. + * hnotification: Handle to be used for notification. + * Returns: + * 0: Success. + * -EFAULT: Invalid hStrm. + * -ENOMEM: Insufficient memory on GPP. + * -EINVAL: event_mask is invalid. + * -ENOSYS: Notification type specified by notify_type is not + * supported. + * Requires: + * strm_init(void) called. + * hnotification != NULL. + * Ensures: + */ +extern int strm_register_notify(struct strm_object *hStrm, + u32 event_mask, u32 notify_type, + struct dsp_notification + *hnotification); + +/* + * ======== strm_select ======== + * Purpose: + * Select a ready stream. + * Parameters: + * strm_tab: Array of stream handles returned from strm_open(). + * nStrms: Number of stream handles in array. + * pmask: Location to store mask of ready streams on output. + * utimeout: Timeout value (milliseconds). + * Returns: + * 0: Success. + * -EDOM: nStrms out of range. + + * -EFAULT: Invalid stream handle in array. + * -ETIME: A timeout occurred before a stream became ready. + * -EPERM: Failure occurred, unable to select a stream. + * Requires: + * strm_init(void) called. + * strm_tab != NULL. + * nStrms > 0. + * pmask != NULL. + * Ensures: + * 0: *pmask != 0 || utimeout == 0. + * Error: *pmask == 0. + */ +extern int strm_select(IN struct strm_object **strm_tab, + u32 nStrms, OUT u32 *pmask, u32 utimeout); + +/* + * ======== strm_unprepare_buffer ======== + * Purpose: + * Unprepare a data buffer that was previously prepared for a stream + * with DSPStream_PrepareBuffer(), and that will no longer be used with + * the stream. + * Parameter: + * hStrm: Stream handle returned from strm_open(). + * usize: Size (GPP bytes) of the buffer. + * pbuffer: Buffer address. + * Returns: + * 0: Success. + * -EFAULT: Invalid hStrm. + * -EPERM: Failure occurred, unable to unprepare buffer. + * Requires: + * strm_init(void) called. + * pbuffer != NULL. + * Ensures: + */ +extern int strm_unprepare_buffer(struct strm_object *hStrm, + u32 usize, u8 *pbuffer); + +#endif /* STRM_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/strmdefs.h b/drivers/staging/tidspbridge/include/dspbridge/strmdefs.h new file mode 100644 index 0000000..b363f79 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/strmdefs.h @@ -0,0 +1,46 @@ +/* + * strmdefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Global STRM constants and types. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef STRMDEFS_ +#define STRMDEFS_ + +#define STRM_MAXEVTNAMELEN 32 + +struct strm_mgr; + +struct strm_object; + +struct strm_attr { + void *user_event; + char *pstr_event_name; + void *virt_base; /* Process virtual base address of + * mapped SM */ + u32 ul_virt_size; /* Size of virtual space in bytes */ + struct dsp_streamattrin *stream_attr_in; +}; + +struct stream_info { + enum dsp_strmmode strm_mode; /* transport mode of + * stream(DMA, ZEROCOPY..) */ + u32 segment_id; /* Segment strm allocs from. 0 is local mem */ + void *virt_base; /* " " Stream'process virt base */ + struct dsp_streaminfo *user_strm; /* User's stream information + * returned */ +}; + +#endif /* STRMDEFS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/sync.h b/drivers/staging/tidspbridge/include/dspbridge/sync.h new file mode 100644 index 0000000..e2651e7 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/sync.h @@ -0,0 +1,109 @@ +/* + * sync.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Provide synchronization services. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef _SYNC_H +#define _SYNC_H + +#include <dspbridge/dbdefs.h> + + +/* Special timeout value indicating an infinite wait: */ +#define SYNC_INFINITE 0xffffffff + +/** + * struct sync_object - the basic sync_object structure + * @comp: use to signal events + * @multi_comp: use to signal multiple events. + * + */ +struct sync_object{ + struct completion comp; + struct completion *multi_comp; +}; + +/** + * sync_init_event() - set initial state for a sync_event element + * @event: event to be initialized. + * + * Set the initial state for a sync_event element. + */ + +static inline void sync_init_event(struct sync_object *event) +{ + init_completion(&event->comp); + event->multi_comp = NULL; +} + +/** + * sync_reset_event() - reset a sync_event element + * @event: event to be reset. + * + * This function reset to the initial state to @event. + */ + +static inline void sync_reset_event(struct sync_object *event) +{ + INIT_COMPLETION(event->comp); + event->multi_comp = NULL; +} + +/** + * sync_set_event() - set or signal and specified event + * @event: Event to be set.. + * + * set the @event, if there is an thread waiting for the event + * it will be waken up, this function only wakes one thread. + */ + +void sync_set_event(struct sync_object *event); + +/** + * sync_wait_on_event() - waits for a event to be set. + * @event: events to wait for it. + * @timeout timeout on waiting for the evetn. + * + * This functios will wait until @event is set or until timeout. In case of + * success the function will return 0 and + * in case of timeout the function will return -ETIME + */ + +static inline int sync_wait_on_event(struct sync_object *event, + unsigned timeout) +{ + return wait_for_completion_timeout(&event->comp, + msecs_to_jiffies(timeout)) ? 0 : -ETIME; +} + +/** + * sync_wait_on_multiple_events() - waits for multiple events to be set. + * @events: Array of events to wait for them. + * @count: number of elements of the array. + * @timeout timeout on waiting for the evetns. + * @pu_index index of the event set. + * + * This functios will wait until any of the array element is set or until + * timeout. In case of success the function will return 0 and + * @pu_index will store the index of the array element set and in case + * of timeout the function will return -ETIME. + */ + +int sync_wait_on_multiple_events(struct sync_object **events, + unsigned count, unsigned timeout, + unsigned *index); + +#endif /* _SYNC_H */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/utildefs.h b/drivers/staging/tidspbridge/include/dspbridge/utildefs.h new file mode 100644 index 0000000..8fe5414 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/utildefs.h @@ -0,0 +1,39 @@ +/* + * utildefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Global UTIL constants and types, shared between DSP API and DSPSYS. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef UTILDEFS_ +#define UTILDEFS_ + +/* constants taken from configmg.h */ +#define UTIL_MAXMEMREGS 9 +#define UTIL_MAXIOPORTS 20 +#define UTIL_MAXIRQS 7 +#define UTIL_MAXDMACHNLS 7 + +/* misc. constants */ +#define UTIL_MAXARGVS 10 + +/* Platform specific important info */ +struct util_sysinfo { + /* Granularity of page protection; usually 1k or 4k */ + u32 dw_page_size; + u32 dw_allocation_granularity; /* VM granularity, usually 64K */ + u32 dw_number_of_processors; /* Used as sanity check */ +}; + +#endif /* UTILDEFS_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/uuidutil.h b/drivers/staging/tidspbridge/include/dspbridge/uuidutil.h new file mode 100644 index 0000000..d7d0962 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/uuidutil.h @@ -0,0 +1,62 @@ +/* + * uuidutil.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * This file contains the specification of UUID helper functions. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef UUIDUTIL_ +#define UUIDUTIL_ + +#define MAXUUIDLEN 37 + +/* + * ======== uuid_uuid_to_string ======== + * Purpose: + * Converts a dsp_uuid to an ANSI string. + * Parameters: + * uuid_obj: Pointer to a dsp_uuid object. + * pszUuid: Pointer to a buffer to receive a NULL-terminated UUID + * string. + * size: Maximum size of the pszUuid string. + * Returns: + * Requires: + * uuid_obj & pszUuid are non-NULL values. + * Ensures: + * Lenghth of pszUuid is less than MAXUUIDLEN. + * Details: + * UUID string limit currently set at MAXUUIDLEN. + */ +void uuid_uuid_to_string(IN struct dsp_uuid *uuid_obj, OUT char *pszUuid, + s32 size); + +/* + * ======== uuid_uuid_from_string ======== + * Purpose: + * Converts an ANSI string to a dsp_uuid. + * Parameters: + * pszUuid: Pointer to a string that represents a dsp_uuid object. + * uuid_obj: Pointer to a dsp_uuid object. + * Returns: + * Requires: + * uuid_obj & pszUuid are non-NULL values. + * Ensures: + * Details: + * We assume the string representation of a UUID has the following format: + * "12345678_1234_1234_1234_123456789abc". + */ +extern void uuid_uuid_from_string(IN char *pszUuid, + OUT struct dsp_uuid *uuid_obj); + +#endif /* UUIDUTIL_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/wdt.h b/drivers/staging/tidspbridge/include/dspbridge/wdt.h new file mode 100644 index 0000000..4c00ba5 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/wdt.h @@ -0,0 +1,79 @@ +/* + * wdt.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * IO dispatcher for a shared memory channel driver. + * + * Copyright (C) 2010 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ +#ifndef __DSP_WDT3_H_ +#define __DSP_WDT3_H_ + +/* WDT defines */ +#define OMAP3_WDT3_ISR_OFFSET 0x0018 + + +/** + * struct dsp_wdt_setting - the basic dsp_wdt_setting structure + * @reg_base: pointer to the base of the wdt registers + * @sm_wdt: pointer to flags in shared memory + * @wdt3_tasklet tasklet to manage wdt event + * @fclk handle to wdt3 functional clock + * @iclk handle to wdt3 interface clock + * + * This struct is used in the function to manage wdt3. + */ + +struct dsp_wdt_setting { + void __iomem *reg_base; + struct shm *sm_wdt; + struct tasklet_struct wdt3_tasklet; + struct clk *fclk; + struct clk *iclk; +}; + +/** + * dsp_wdt_init() - initialize wdt3 module. + * + * This function initilize to wdt3 module, so that + * other wdt3 function can be used. + */ +int dsp_wdt_init(void); + +/** + * dsp_wdt_exit() - initialize wdt3 module. + * + * This function frees all resources allocated for wdt3 module. + */ +void dsp_wdt_exit(void); + +/** + * dsp_wdt_enable() - enable/disable wdt3 + * @enable: bool value to enable/disable wdt3 + * + * This function enables or disables wdt3 base on @enable value. + * + */ +void dsp_wdt_enable(bool enable); + +/** + * dsp_wdt_sm_set() - store pointer to the share memory + * @data: pointer to dspbridge share memory + * + * This function is used to pass a valid pointer to share memory, + * so that the flags can be set in order DSP side can read them. + * + */ +void dsp_wdt_sm_set(void *data); + +#endif + |