diff options
Diffstat (limited to 'drivers/misc/modem_if/modem_link_device_dpram.h')
| -rw-r--r-- | drivers/misc/modem_if/modem_link_device_dpram.h | 455 |
1 files changed, 178 insertions, 277 deletions
diff --git a/drivers/misc/modem_if/modem_link_device_dpram.h b/drivers/misc/modem_if/modem_link_device_dpram.h index c651e51..d9ef251 100644 --- a/drivers/misc/modem_if/modem_link_device_dpram.h +++ b/drivers/misc/modem_if/modem_link_device_dpram.h @@ -1,5 +1,4 @@ /* - * Copyright (C) 2011 Google, Inc. * Copyright (C) 2010 Samsung Electronics. * * This software is licensed under the terms of the GNU General Public @@ -12,227 +11,11 @@ * GNU General Public License for more details. * */ + #ifndef __MODEM_LINK_DEVICE_DPRAM_H__ #define __MODEM_LINK_DEVICE_DPRAM_H__ -#include <linux/spinlock.h> -#include <linux/wakelock.h> -#include <linux/workqueue.h> -#include <linux/timer.h> -#include <linux/platform_data/modem.h> - -#include "modem_prj.h" - -#define DPRAM_MAGIC_CODE 0xAA - -/* interrupt masks.*/ -#define INT_MASK_VALID 0x0080 -#define INT_MASK_CMD 0x0040 -#define INT_VALID(x) ((x) & INT_MASK_VALID) -#define INT_CMD_VALID(x) ((x) & INT_MASK_CMD) -#define INT_NON_CMD(x) (INT_MASK_VALID | (x)) -#define INT_CMD(x) (INT_MASK_VALID | INT_MASK_CMD | (x)) - -#define EXT_UDL_MASK 0xF000 -#define EXT_UDL_CMD(x) ((x) & EXT_UDL_MASK) -#define EXT_INT_VALID_MASK 0x8000 -#define EXT_CMD_VALID_MASK 0x4000 -#define UDL_CMD_VALID_MASK 0x2000 -#define EXT_INT_VALID(x) ((x) & EXT_INT_VALID_MASK) -#define EXT_CMD_VALID(x) ((x) & EXT_CMD_VALID_MASK) -#define UDL_CMD_VALID(x) ((x) & UDL_CMD_VALID_MASK) -#define INT_EXT_CMD(x) (EXT_INT_VALID_MASK | EXT_CMD_VALID_MASK | (x)) - -#define EXT_CMD_MASK(x) ((x) & 0x0FFF) -#define EXT_CMD_SET_SPEED_LOW 0x0011 -#define EXT_CMD_SET_SPEED_MID 0x0012 -#define EXT_CMD_SET_SPEED_HIGH 0x0013 - -#define UDL_RESULT_SUCCESS 0x1 -#define UDL_RESULT_FAIL 0x2 - -#define UDL_CMD_MASK(x) (((x) >> 8) & 0xF) -#define UDL_CMD_RECV_READY 0x1 -#define UDL_CMD_DL_START_REQ 0x2 -#define UDL_CMD_DL_START_RESP 0x3 -#define UDL_CMD_IMAGE_SEND_REQ 0x4 -#define UDL_CMD_SEND_DONE_RESP 0x5 -#define UDL_CMD_SEND_DONE_REQ 0x6 -#define UDL_CMD_UPDATE_DONE 0x7 -#define UDL_CMD_STATUS_UPDATE 0x8 -#define UDL_CMD_IMAGE_SEND_RESP 0x9 -#define UDL_CMD_EFS_CLEAR_RESP 0xB -#define UDL_CMD_ALARM_BOOT_OK 0xC -#define UDL_CMD_ALARM_BOOT_FAIL 0xD - -#define CMD_IMG_START_REQ 0x9200 -#define CMD_IMG_SEND_REQ 0x9400 -#define CMD_DL_SEND_DONE_REQ 0x9600 -#define CMD_UL_RECV_RESP 0x9601 -#define CMD_UL_RECV_DONE_RESP 0x9801 - -/* special interrupt cmd indicating modem boot failure. */ -#define INT_POWERSAFE_FAIL 0xDEAD - -#define INT_MASK_REQ_ACK_RFS 0x0400 /* Request RES_ACK_RFS */ -#define INT_MASK_RES_ACK_RFS 0x0200 /* Response of REQ_ACK_RFS */ -#define INT_MASK_SEND_RFS 0x0100 /* Indicate sending RFS data */ - -#define INT_MASK_REQ_ACK_F 0x0020 -#define INT_MASK_REQ_ACK_R 0x0010 -#define INT_MASK_RES_ACK_F 0x0008 -#define INT_MASK_RES_ACK_R 0x0004 -#define INT_MASK_SEND_F 0x0002 -#define INT_MASK_SEND_R 0x0001 - -#define INT_MASK_RES_ACK_SET \ - (INT_MASK_RES_ACK_F | INT_MASK_RES_ACK_R | INT_MASK_RES_ACK_RFS) - -#define INT_MASK_SEND_SET \ - (INT_MASK_SEND_F | INT_MASK_SEND_R | INT_MASK_SEND_RFS) - -#define INT_CMD_MASK(x) ((x) & 0xF) -#define INT_CMD_INIT_START 0x1 -#define INT_CMD_INIT_END 0x2 -#define INT_CMD_REQ_ACTIVE 0x3 -#define INT_CMD_RES_ACTIVE 0x4 -#define INT_CMD_REQ_TIME_SYNC 0x5 -#define INT_CMD_CRASH_RESET 0x7 -#define INT_CMD_PHONE_START 0x8 -#define INT_CMD_ERR_DISPLAY 0x9 -#define INT_CMD_CRASH_EXIT 0x9 -#define INT_CMD_CP_DEEP_SLEEP 0xA -#define INT_CMD_NV_REBUILDING 0xB -#define INT_CMD_EMER_DOWN 0xC -#define INT_CMD_PIF_INIT_DONE 0xD -#define INT_CMD_SILENT_NV_REBUILDING 0xE -#define INT_CMD_NORMAL_PWR_OFF 0xF - -#define START_FLAG 0x7F -#define END_FLAG 0x7E - -#define DP_MAGIC_DMDL 0x4445444C -#define DP_MAGIC_UMDL 0x4445444D -#define DP_DPRAM_SIZE 0x4000 -#define DP_DEFAULT_WRITE_LEN 8168 -#define DP_DEFAULT_DUMP_LEN 16128 -#define DP_DUMP_HEADER_SIZE 7 - -#define UDL_TIMEOUT (50 * HZ) -#define UDL_SEND_TIMEOUT (200 * HZ) -#define FORCE_CRASH_ACK_TIMEOUT (5 * HZ) -#define DUMP_TIMEOUT (30 * HZ) -#define DUMP_START_TIMEOUT (100 * HZ) -#define DUMP_WAIT_TIMEOUT (HZ >> 10) /* 1/1024 second */ - -enum host_boot_mode { - HOST_BOOT_MODE_NORMAL, - HOST_BOOT_MODE_DUMP, -}; - -enum dpram_init_status { - DPRAM_INIT_STATE_NONE, - DPRAM_INIT_STATE_READY, -}; - -struct dpram_boot_img { - char *addr; - int size; - enum host_boot_mode mode; - unsigned req; - unsigned resp; -}; - -#define MAX_PAYLOAD_SIZE 0x2000 -struct dpram_boot_frame { - unsigned req; /* AP->CP request */ - unsigned resp; /* response expected by AP */ - ssize_t len; /* data size in the buffer */ - unsigned offset; /* offset to write into DPRAM */ - char data[MAX_PAYLOAD_SIZE]; -}; - -/* buffer type for modem image */ -struct dpram_dump_arg { - char *buff; /* pointer to the buffer */ - int buff_size; /* buffer size */ - unsigned req; /* AP->CP request */ - unsigned resp; /* CP->AP response */ - bool cmd; /* AP->CP command */ -}; - -struct dpram_boot_map { - u32 __iomem *magic; - u8 __iomem *buff; - u32 __iomem *req; - u32 __iomem *resp; - u32 size; -}; - -struct qc_dpram_boot_map { - u8 __iomem *buff; - u16 __iomem *frame_size; - u16 __iomem *tag; - u16 __iomem *count; -}; - -struct dpram_dload_map { - u32 __iomem *magic; - u8 __iomem *buff; -}; - -struct dpram_uload_map { - u32 __iomem *magic; - u8 __iomem *buff; -}; - -struct ul_header { - u8 bop; - u16 total_frame; - u16 curr_frame; - u16 len; -} __packed; - -struct dpram_udl_param { - unsigned char *addr; - unsigned int size; - unsigned int count; - unsigned int tag; -}; - -struct dpram_udl_check { - unsigned int total_size; - unsigned int rest_size; - unsigned int send_size; - unsigned int copy_start; - unsigned int copy_complete; - unsigned int boot_complete; -}; - -#define DP_BOOT_BUFF_OFFSET 4 -#define DP_DLOAD_BUFF_OFFSET 4 -#define DP_ULOAD_BUFF_OFFSET 4 -#define DP_BOOT_REQ_OFFSET 0 -#define DP_BOOT_RESP_OFFSET 8 - -#define MAX_WQ_NAME_LENGTH 64 - -#define DPRAM_MAX_RXBQ_SIZE 256 - -struct dpram_rxb { - u8 *buff; - unsigned size; - - u8 *data; - unsigned len; -}; - -struct dpram_rxb_queue { - int size; - int in; - int out; - struct dpram_rxb *rxb; -}; +#include "modem_link_device_memory.h" /* magic_code + @@ -282,38 +65,110 @@ struct dpram_ipc_16k_map { u16 mbx_ap2cp; }; -#define DP_MAX_NAME_LEN 32 +enum dpram_init_status { + DPRAM_INIT_STATE_NONE, + DPRAM_INIT_STATE_READY, +}; + +struct dpram_boot_frame { + unsigned req; /* AP->CP request */ + unsigned resp; /* response expected by AP */ + ssize_t len; /* data size in the buffer */ + unsigned offset; /* offset to write into DPRAM */ + char data[DP_MAX_PAYLOAD_SIZE]; +}; + +struct dpram_dump_arg { + char *buff; /* pointer to the buffer */ + int buff_size; /* buffer size */ + unsigned req; /* AP->CP request */ + unsigned resp; /* CP->AP response */ + int cmd; /* AP->CP command */ +}; + +/* DPRAM upload/download header */ +struct dpram_udl_header { + u8 bop; + u16 num_frames; + u16 curr_frame; + u16 len; +#ifdef CONFIG_CDMA_MODEM_CBP82 + u8 pad; +#endif +} __packed; + +#define MAX_DUMP_SKB_SIZE 4096 + +enum idpram_link_pm_states { + IDPRAM_PM_SUSPEND_PREPARE, + IDPRAM_PM_DPRAM_POWER_DOWN, + IDPRAM_PM_SUSPEND_START, + IDPRAM_PM_RESUME_START, + IDPRAM_PM_ACTIVE, +}; + +struct idpram_pm_data { + atomic_t pm_lock; + + enum idpram_link_pm_states pm_state; + + struct completion down_cmpl; + + struct wake_lock ap_wlock; + struct wake_lock hold_wlock; + struct delayed_work tx_dwork; + struct delayed_work resume_dwork; + + struct notifier_block pm_noti; + + unsigned resume_try_cnt; + + /* the last value in the mbx_cp2ap */ + unsigned last_msg; +}; + +struct dpram_link_device; struct dpram_ext_op; +struct idpram_pm_op; struct dpram_link_device { struct link_device ld; + enum dpram_type type; /* DPRAM type */ + enum ap_type ap; /* AP type for AP_IDPRAM */ + + /* Stirct I/O access (e.g. ioread16(), etc.) is required */ + bool strict_io_access; + /* DPRAM address and size */ - u8 __iomem *dp_base; /* DPRAM base virtual address */ - u32 dp_size; /* DPRAM size */ - enum dpram_type dp_type; /* DPRAM type */ + u8 __iomem *base; /* Virtual address of DPRAM */ + u32 size; /* DPRAM size */ + + /* DPRAM SFR */ + u8 __iomem *sfr_base; /* Virtual address of SFR */ + + /* Whether or not this DPRAM can go asleep */ + bool need_wake_up; /* DPRAM IRQ GPIO# */ - unsigned gpio_dpram_int; + unsigned gpio_int2ap; + unsigned gpio_cp_status; + unsigned gpio_cp_wakeup; + unsigned gpio_int2cp; /* DPRAM IRQ from CP */ int irq; unsigned long irq_flags; - char irq_name[DP_MAX_NAME_LEN]; + char irq_name[MIF_MAX_NAME_LEN]; /* Link to DPRAM control functions dependent on each platform */ - int max_ipc_dev; - struct modemlink_dpram_control *dpctl; + struct modemlink_dpram_data *dpram; /* Physical configuration -> logical configuration */ - union { - struct dpram_boot_map bt_map; - struct qc_dpram_boot_map qc_bt_map; - }; - - struct dpram_dload_map dl_map; - struct dpram_uload_map ul_map; + struct memif_boot_map bt_map; + struct memif_dload_map dl_map; + struct memif_uload_map ul_map; /* IPC device map */ struct dpram_ipc_map ipc_map; @@ -327,40 +182,40 @@ struct dpram_link_device { /* Wakelock for DPRAM device */ struct wake_lock wlock; - char wlock_name[DP_MAX_NAME_LEN]; + char wlock_name[MIF_MAX_NAME_LEN]; /* For booting */ unsigned boot_start_complete; - struct completion dpram_init_cmd; - struct completion modem_pif_init_done; /* For UDL */ - struct tasklet_struct ul_tsk; struct tasklet_struct dl_tsk; - struct completion udl_start_complete; - struct completion udl_cmd_complete; - struct dpram_udl_check udl_check; - struct dpram_udl_param udl_param; + struct completion udl_cmpl; - /* For CP RAM dump */ + /* + ** For CP crash dump + */ + bool forced_cp_crash; struct timer_list crash_ack_timer; - struct completion dump_start_complete; - struct completion dump_recv_done; - struct timer_list dump_timer; - int dump_rcvd; /* Count of dump packets received */ + struct timer_list crash_timer; + struct completion crash_cmpl; + /* If this field is wanted to be used, it must be initialized only in + * the "ld->dump_start" method. + */ + struct delayed_work crash_dwork; + /* Count of CP crash dump packets received */ + int crash_rcvd; /* For locking TX process */ spinlock_t tx_lock[MAX_IPC_DEV]; + /* For retransmission under DPRAM flow control after TXQ full state */ + unsigned long res_ack_wait_timeout; + atomic_t res_required[MAX_IPC_DEV]; + struct completion req_ack_cmpl[MAX_IPC_DEV]; + /* For efficient RX process */ - struct tasklet_struct rx_tsk; - struct dpram_rxb_queue rxbq[MAX_IPC_DEV]; + struct delayed_work rx_dwork; struct io_device *iod[MAX_IPC_DEV]; - bool use_skb; - struct sk_buff_head skb_rxq[MAX_IPC_DEV]; - - /* For retransmission after buffer full state */ - atomic_t res_required[MAX_IPC_DEV]; /* For wake-up/sleep control */ atomic_t accessing; @@ -369,45 +224,53 @@ struct dpram_link_device { u8 *buff; /* DPRAM IPC initialization status */ - int dpram_init_status; + int init_status; /* Alias to device-specific IOCTL function */ int (*ext_ioctl)(struct dpram_link_device *dpld, struct io_device *iod, unsigned int cmd, unsigned long arg); /* Alias to DPRAM IRQ handler */ - irqreturn_t (*irq_handler)(int irq, void *data); + irq_handler_t irq_handler; - /* For DPRAM dump */ - void (*dpram_dump)(struct link_device *ld, char *buff); + /* For DPRAM logging */ + struct mem_status_queue stat_list; + struct trace_data_queue trace_list; /* Common operations for each DPRAM */ - void (*clear_intr)(struct dpram_link_device *dpld); u16 (*recv_intr)(struct dpram_link_device *dpld); void (*send_intr)(struct dpram_link_device *dpld, u16 mask); u16 (*get_magic)(struct dpram_link_device *dpld); void (*set_magic)(struct dpram_link_device *dpld, u16 value); u16 (*get_access)(struct dpram_link_device *dpld); void (*set_access)(struct dpram_link_device *dpld, u16 value); - u32 (*get_tx_head)(struct dpram_link_device *dpld, int id); - u32 (*get_tx_tail)(struct dpram_link_device *dpld, int id); - void (*set_tx_head)(struct dpram_link_device *dpld, int id, u32 head); - void (*set_tx_tail)(struct dpram_link_device *dpld, int id, u32 tail); - u8 *(*get_tx_buff)(struct dpram_link_device *dpld, int id); - u32 (*get_tx_buff_size)(struct dpram_link_device *dpld, int id); - u32 (*get_rx_head)(struct dpram_link_device *dpld, int id); - u32 (*get_rx_tail)(struct dpram_link_device *dpld, int id); - void (*set_rx_head)(struct dpram_link_device *dpld, int id, u32 head); - void (*set_rx_tail)(struct dpram_link_device *dpld, int id, u32 tail); - u8 *(*get_rx_buff)(struct dpram_link_device *dpld, int id); - u32 (*get_rx_buff_size)(struct dpram_link_device *dpld, int id); + u32 (*get_txq_head)(struct dpram_link_device *dpld, int id); + u32 (*get_txq_tail)(struct dpram_link_device *dpld, int id); + void (*set_txq_head)(struct dpram_link_device *dpld, int id, u32 in); + void (*set_txq_tail)(struct dpram_link_device *dpld, int id, u32 out); + u8 *(*get_txq_buff)(struct dpram_link_device *dpld, int id); + u32 (*get_txq_buff_size)(struct dpram_link_device *dpld, int id); + u32 (*get_rxq_head)(struct dpram_link_device *dpld, int id); + u32 (*get_rxq_tail)(struct dpram_link_device *dpld, int id); + void (*set_rxq_head)(struct dpram_link_device *dpld, int id, u32 in); + void (*set_rxq_tail)(struct dpram_link_device *dpld, int id, u32 out); + u8 *(*get_rxq_buff)(struct dpram_link_device *dpld, int id); + u32 (*get_rxq_buff_size)(struct dpram_link_device *dpld, int id); u16 (*get_mask_req_ack)(struct dpram_link_device *dpld, int id); u16 (*get_mask_res_ack)(struct dpram_link_device *dpld, int id); u16 (*get_mask_send)(struct dpram_link_device *dpld, int id); - void (*ipc_rx_handler)(struct dpram_link_device *dpld, u16 int2ap); + void (*get_dpram_status)(struct dpram_link_device *dpld, + enum circ_dir_type, struct mem_status *stat); + void (*ipc_rx_handler)(struct dpram_link_device *dpld, + struct mem_status *stat); + void (*reset_dpram_ipc)(struct dpram_link_device *dpld); /* Extended operations for various modems */ struct dpram_ext_op *ext_op; + + /* Power management (PM) for AP_IDPRAM */ + struct idpram_pm_data pm_data; + struct idpram_pm_op *pm_op; }; /* converts from struct link_device* to struct xxx_link_device* */ @@ -415,27 +278,65 @@ struct dpram_link_device { container_of(linkdev, struct dpram_link_device, ld) struct dpram_ext_op { + /* flag for checking whether or not a dpram_ext_op instance exists */ int exist; + /* methods for setting up DPRAM maps */ void (*init_boot_map)(struct dpram_link_device *dpld); void (*init_dl_map)(struct dpram_link_device *dpld); void (*init_ul_map)(struct dpram_link_device *dpld); + void (*init_ipc_map)(struct dpram_link_device *dpld); - int (*download_binary)(struct dpram_link_device *dpld, - struct sk_buff *skb); + /* methods for CP booting */ + int (*xmit_boot)(struct dpram_link_device *dpld, unsigned long arg); + int (*xmit_binary)(struct dpram_link_device *dpld, struct sk_buff *skb); + /* methods for DPRAM command handling */ + void (*cmd_handler)(struct dpram_link_device *dpld, u16 cmd); void (*cp_start_handler)(struct dpram_link_device *dpld); + /* method for CP firmware upgrade */ + int (*firm_update)(struct dpram_link_device *dpld, unsigned long arg); + + /* methods for CP crash dump */ void (*crash_log)(struct dpram_link_device *dpld); int (*dump_start)(struct dpram_link_device *dpld); - int (*dump_update)(struct dpram_link_device *dpld, void *arg); + int (*dump_update)(struct dpram_link_device *dpld, unsigned long arg); + int (*dump_finish)(struct dpram_link_device *dpld, unsigned long arg); + /* IOCTL extension */ int (*ioctl)(struct dpram_link_device *dpld, struct io_device *iod, - unsigned int cmd, unsigned long arg); + unsigned int cmd, unsigned long arg); - irqreturn_t (*irq_handler)(int irq, void *data); + /* methods for interrupt handling */ + irq_handler_t irq_handler; + void (*clear_int2ap)(struct dpram_link_device *dpld); + + /* methods for power management */ + int (*wakeup)(struct dpram_link_device *dpld); + void (*sleep)(struct dpram_link_device *dpld); }; struct dpram_ext_op *dpram_get_ext_op(enum modem_t modem); +struct idpram_pm_op { + /* flag for checking whether or not a idpram_pm_op instance exists */ + int exist; + int (*pm_init)(struct dpram_link_device *dpld, struct modem_data *modem, + void (*pm_tx_func)(struct work_struct *work)); + void (*power_down)(struct dpram_link_device *dpld); + void (*power_up)(struct dpram_link_device *dpld); + void (*halt_suspend)(struct dpram_link_device *dpld); + bool (*locked)(struct dpram_link_device *dpld); + bool (*int2cp_possible)(struct dpram_link_device *dpld); +}; + +struct idpram_pm_op *idpram_get_pm_op(enum ap_type id); + +#if 1 +#endif + +extern void set_sromc_access(bool access); + #endif + |