diff options
Diffstat (limited to 'drivers/char/diag/diagchar.h')
| -rw-r--r-- | drivers/char/diag/diagchar.h | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/drivers/char/diag/diagchar.h b/drivers/char/diag/diagchar.h new file mode 100644 index 0000000..5d5e62e --- /dev/null +++ b/drivers/char/diag/diagchar.h @@ -0,0 +1,275 @@ +/* Copyright (c) 2008-2012, Code Aurora Forum. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef DIAGCHAR_H +#define DIAGCHAR_H + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/mempool.h> +#include <linux/mutex.h> +#include <linux/workqueue.h> +#include <mach/msm_smd.h> +#include <linux/atomic.h> +#include <asm/mach-types.h> +/* Size of the USB buffers used for read and write*/ +#define USB_MAX_OUT_BUF 4096 +#define APPS_BUF_SIZE 2000 +#define IN_BUF_SIZE 16384 +#define MAX_IN_BUF_SIZE 32768 +#define MAX_SYNC_OBJ_NAME_SIZE 32 +/* Size of the buffer used for deframing a packet + reveived from the PC tool*/ +#define HDLC_MAX 4096 +#define HDLC_OUT_BUF_SIZE 8192 +#define POOL_TYPE_COPY 1 +#define POOL_TYPE_HDLC 2 +#define POOL_TYPE_WRITE_STRUCT 4 +#define POOL_TYPE_ALL 7 +#define MODEM_DATA 1 +#define QDSP_DATA 2 +#define APPS_DATA 3 +#define SDIO_DATA 4 +#define WCNSS_DATA 5 +#define HSIC_DATA 6 +#define MODEM_PROC 0 +#define APPS_PROC 1 +#define QDSP_PROC 2 +#define WCNSS_PROC 3 +#define MSG_MASK_SIZE 9500 +#define LOG_MASK_SIZE 8000 +#define EVENT_MASK_SIZE 1000 +#define USER_SPACE_DATA 8000 +#define PKT_SIZE 4096 +#define MAX_EQUIP_ID 15 +#define DIAG_CTRL_MSG_LOG_MASK 9 +#define DIAG_CTRL_MSG_EVENT_MASK 10 +#define DIAG_CTRL_MSG_F3_MASK 11 +#define ZERO_CFG_SUBPACKET_MAX 15 // zero_pky.patch by jagadish + +/* Maximum number of pkt reg supported at initialization*/ +extern unsigned int diag_max_reg; +extern unsigned int diag_threshold_reg; + +#define APPEND_DEBUG(ch) \ +do { \ + diag_debug_buf[diag_debug_buf_idx] = ch; \ + (diag_debug_buf_idx < 1023) ? \ + (diag_debug_buf_idx++) : (diag_debug_buf_idx = 0); \ +} while (0) + +struct diag_master_table { + uint16_t cmd_code; + uint16_t subsys_id; + uint32_t client_id; + uint16_t cmd_code_lo; + uint16_t cmd_code_hi; + int process_id; +}; + +struct bindpkt_params_per_process { + /* Name of the synchronization object associated with this proc */ + char sync_obj_name[MAX_SYNC_OBJ_NAME_SIZE]; + uint32_t count; /* Number of entries in this bind */ + struct bindpkt_params *params; /* first bind params */ +}; + +struct bindpkt_params { + uint16_t cmd_code; + uint16_t subsys_id; + uint16_t cmd_code_lo; + uint16_t cmd_code_hi; + /* For Central Routing, used to store Processor number */ + uint16_t proc_id; + uint32_t event_id; + uint32_t log_code; + /* For Central Routing, used to store SMD channel pointer */ + uint32_t client_id; +}; + +struct diag_write_device { + void *buf; + int length; +}; + +struct diag_client_map { + char name[20]; + int pid; +}; + +/* This structure is defined in USB header file */ +#ifndef CONFIG_DIAG_OVER_USB +struct diag_request { + char *buf; + int length; + int actual; + int status; + void *context; +}; +#endif + +struct diagchar_dev { + + /* State for the char driver */ + unsigned int major; + unsigned int minor_start; + int num; + struct cdev *cdev; + char *name; + int dropped_count; + struct class *diagchar_class; + int ref_count; + struct mutex diagchar_mutex; + wait_queue_head_t wait_q; + struct diag_client_map *client_map; + int *data_ready; + int num_clients; + int polling_reg_flag; + struct diag_write_device *buf_tbl; + int use_device_tree; + + /* Memory pool parameters */ + unsigned int itemsize; + unsigned int poolsize; + unsigned int itemsize_hdlc; + unsigned int poolsize_hdlc; + unsigned int itemsize_write_struct; + unsigned int poolsize_write_struct; + unsigned int debug_flag; + /* State for the mempool for the char driver */ + mempool_t *diagpool; + mempool_t *diag_hdlc_pool; + mempool_t *diag_write_struct_pool; + struct mutex diagmem_mutex; + int count; + int count_hdlc_pool; + int count_write_struct_pool; + int used; + /* Buffers for masks */ + struct diag_ctrl_event_mask *event_mask; + struct diag_ctrl_log_mask *log_mask; + struct diag_ctrl_msg_mask *msg_mask; + /* State for diag forwarding */ + unsigned char *buf_in_1; + unsigned char *buf_in_2; + unsigned char *buf_in_cntl; + unsigned char *buf_in_qdsp_1; + unsigned char *buf_in_qdsp_2; + unsigned char *buf_in_qdsp_cntl; + unsigned char *buf_in_wcnss_1; + unsigned char *buf_in_wcnss_2; + unsigned char *buf_in_wcnss_cntl; + unsigned char *usb_buf_out; + unsigned char *apps_rsp_buf; + unsigned char *user_space_data; + /* buffer for updating mask to peripherals */ + unsigned char *buf_msg_mask_update; + unsigned char *buf_log_mask_update; + unsigned char *buf_event_mask_update; + smd_channel_t *ch; + smd_channel_t *ch_cntl; + smd_channel_t *chqdsp; + smd_channel_t *chqdsp_cntl; + smd_channel_t *ch_wcnss; + smd_channel_t *ch_wcnss_cntl; + int in_busy_1; + int in_busy_2; + int in_busy_qdsp_1; + int in_busy_qdsp_2; + int in_busy_wcnss_1; + int in_busy_wcnss_2; + int read_len_legacy; + unsigned char *hdlc_buf; + unsigned hdlc_count; + unsigned hdlc_escape; +#ifdef CONFIG_DIAG_OVER_USB + int usb_connected; + struct usb_diag_ch *legacy_ch; + struct work_struct diag_proc_hdlc_work; + struct work_struct diag_read_work; +#endif + struct workqueue_struct *diag_wq; + struct work_struct diag_drain_work; + struct work_struct diag_read_smd_work; + struct work_struct diag_read_smd_cntl_work; + struct work_struct diag_read_smd_qdsp_work; + struct work_struct diag_read_smd_qdsp_cntl_work; + struct work_struct diag_read_smd_wcnss_work; + struct work_struct diag_read_smd_wcnss_cntl_work; + struct workqueue_struct *diag_cntl_wq; + struct work_struct diag_modem_mask_update_work; + struct work_struct diag_qdsp_mask_update_work; + struct work_struct diag_wcnss_mask_update_work; + uint8_t *msg_masks; + uint8_t *log_masks; + int log_masks_length; + uint8_t *event_masks; + struct diag_master_table *table; + uint8_t *pkt_buf; + int pkt_length; + struct diag_request *write_ptr_1; + struct diag_request *write_ptr_2; + struct diag_request *usb_read_ptr; + struct diag_request *write_ptr_svc; + struct diag_request *write_ptr_qdsp_1; + struct diag_request *write_ptr_qdsp_2; + struct diag_request *write_ptr_wcnss_1; + struct diag_request *write_ptr_wcnss_2; + int logging_mode; + int sub_logging_mode; + int mask_check; + int logging_process_id; +#ifdef CONFIG_DIAG_SDIO_PIPE + unsigned char *buf_in_sdio; + unsigned char *usb_buf_mdm_out; + struct sdio_channel *sdio_ch; + int read_len_mdm; + int in_busy_sdio; + struct usb_diag_ch *mdm_ch; + struct work_struct diag_read_mdm_work; + struct workqueue_struct *diag_sdio_wq; + struct work_struct diag_read_sdio_work; + struct work_struct diag_close_sdio_work; + struct diag_request *usb_read_mdm_ptr; + struct diag_request *write_ptr_mdm; +#endif +#ifdef CONFIG_DIAG_HSIC_PIPE + unsigned char *buf_in_hsic; + unsigned char *usb_buf_mdm_out; + int hsic_initialized; + int hsic_ch; + int hsic_device_enabled; + int hsic_device_opened; + int hsic_suspend; + int read_len_mdm; + int in_busy_hsic_read_on_mdm; + int in_busy_hsic_write_on_mdm; + int in_busy_hsic_write; + int in_busy_hsic_read; + int usb_mdm_connected; + unsigned int zero_cfg_mode; // zero_pky.patch by jagadish + unsigned int zero_cfg_index; // zero_pky.patch by jagadish + unsigned int zero_cfg_packet_lens_index; // zero_pky.patch by jagadish + struct usb_diag_ch *mdm_ch; + struct workqueue_struct *diag_hsic_wq; + struct work_struct diag_read_mdm_work; + struct work_struct diag_read_hsic_work; + struct work_struct diag_zero_cfg_hsic_work; // zero_pky.patch by jagadish + struct work_struct diag_disconnect_work; + struct work_struct diag_usb_read_complete_work; + struct diag_request *usb_read_mdm_ptr; + struct diag_request *write_ptr_mdm; +#endif +}; + +extern struct diagchar_dev *driver; +#endif |