/* Copyright (c) 2008-2013, The Linux Foundation. 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 #include #include #include #include #include #include #include #include #include #include /* Size of the USB buffers used for read and write*/ #define USB_MAX_OUT_BUF 4096 #define APPS_BUF_SIZE 4096 #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_USER 3 #define POOL_TYPE_WRITE_STRUCT 4 #define POOL_TYPE_HSIC 5 #define POOL_TYPE_HSIC_2 6 #define POOL_TYPE_HSIC_WRITE 11 #define POOL_TYPE_HSIC_2_WRITE 12 #define POOL_TYPE_ALL 10 #define MAX_SSID_PER_RANGE 200 #define MODEM_DATA 0 #define LPASS_DATA 1 #define WCNSS_DATA 2 #define APPS_DATA 3 #define SDIO_DATA 4 #define HSIC_DATA 5 #define HSIC_2_DATA 6 #define SMUX_DATA 10 #define APPS_PROC 1 /* * Each row contains First (uint32_t), Last (uint32_t), Actual * last (uint32_t) values along with the range of SSIDs * (MAX_SSID_PER_RANGE*uint32_t). * And there are MSG_MASK_TBL_CNT rows. */ #define MSG_MASK_SIZE ((MAX_SSID_PER_RANGE+3) * 4 * MSG_MASK_TBL_CNT) #define LOG_MASK_SIZE 8000 #define EVENT_MASK_SIZE 1000 #define USER_SPACE_DATA 8192 #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 CONTROL_CHAR 0x7E #define DIAG_CON_APSS (0x0001) /* Bit mask for APSS */ #define DIAG_CON_MPSS (0x0002) /* Bit mask for MPSS */ #define DIAG_CON_LPASS (0x0004) /* Bit mask for LPASS */ #define DIAG_CON_WCNSS (0x0008) /* Bit mask for WCNSS */ /* * The status bit masks when received in a signal handler are to be * used in conjunction with the peripheral list bit mask to determine the * status for a peripheral. For instance, 0x00010002 would denote an open * status on the MPSS */ #define DIAG_STATUS_OPEN (0x00010000) /* DCI channel open status mask */ #define DIAG_STATUS_CLOSED (0x00020000) /* DCI channel closed status mask */ #define MODE_REALTIME 1 #define MODE_NONREALTIME 0 #define NUM_SMD_DATA_CHANNELS 3 #define NUM_SMD_CONTROL_CHANNELS NUM_SMD_DATA_CHANNELS #define NUM_SMD_DCI_CHANNELS 1 #define NUM_SMD_CMD_CHANNELS 1 #define NUM_SMD_DCI_CMD_CHANNELS 1 #define SMD_DATA_TYPE 0 #define SMD_CNTL_TYPE 1 #define SMD_DCI_TYPE 2 #define SMD_CMD_TYPE 3 #define SMD_DCI_CMD_TYPE 4 /* Maximum number of pkt reg supported at initialization*/ extern int diag_max_reg; extern 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) /* List of remote processor supported */ enum remote_procs { MDM = 1, MDM2 = 2, MDM3 = 3, MDM4 = 4, QSC = 5, }; 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; }; struct diag_nrt_wake_lock { int enabled; int ref_count; int copy_count; struct wake_lock read_lock; spinlock_t read_spinlock; }; /* 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 diag_smd_info { int peripheral; /* The peripheral this smd channel communicates with */ int type; /* The type of smd channel (data, control, dci) */ uint16_t peripheral_mask; int encode_hdlc; /* Whether data is raw and needs to be hdlc encoded */ smd_channel_t *ch; smd_channel_t *ch_save; struct mutex smd_ch_mutex; int in_busy_1; int in_busy_2; unsigned char *buf_in_1; unsigned char *buf_in_2; unsigned char *buf_in_1_raw; unsigned char *buf_in_2_raw; struct diag_request *write_ptr_1; struct diag_request *write_ptr_2; struct diag_nrt_wake_lock nrt_lock; struct work_struct diag_read_smd_work; struct work_struct diag_notify_update_smd_work; int notify_context; /* * Function ptr for function to call to process the data that * was just read from the smd channel */ int (*process_smd_read_data)(struct diag_smd_info *smd_info, void *buf, int num_bytes); }; 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; wait_queue_head_t smd_wait_q; struct diag_client_map *client_map; int *data_ready; int num_clients; int polling_reg_flag; struct diag_write_device *buf_tbl; unsigned int buf_tbl_size; int use_device_tree; int supports_separate_cmdrsp; int supports_apps_hdlc_encoding; /* DCI related variables */ struct dci_pkt_req_tracking_tbl *req_tracking_tbl; struct diag_dci_client_tbl *dci_client_tbl; int dci_tag; int dci_client_id; struct mutex dci_mutex; int num_dci_client; unsigned char *apps_dci_buf; int dci_state; struct workqueue_struct *diag_dci_wq; /* Memory pool parameters */ unsigned int itemsize; unsigned int poolsize; unsigned int itemsize_hdlc; unsigned int poolsize_hdlc; unsigned int itemsize_user; unsigned int poolsize_user; 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_user_pool; mempool_t *diag_write_struct_pool; struct mutex diagmem_mutex; int count; int count_hdlc_pool; int count_user_pool; int count_write_struct_pool; int used; /* Buffers for masks */ struct mutex diag_cntl_mutex; struct diag_ctrl_event_mask *event_mask; struct diag_ctrl_log_mask *log_mask; struct diag_ctrl_msg_mask *msg_mask; struct diag_ctrl_feature_mask *feature_mask; /* State for diag forwarding */ int real_time_mode; struct diag_smd_info smd_data[NUM_SMD_DATA_CHANNELS]; struct diag_smd_info smd_cntl[NUM_SMD_CONTROL_CHANNELS]; struct diag_smd_info smd_dci[NUM_SMD_DCI_CHANNELS]; struct diag_smd_info smd_cmd[NUM_SMD_CMD_CHANNELS]; struct diag_smd_info smd_dci_cmd[NUM_SMD_DCI_CMD_CHANNELS]; int separate_cmdrsp[NUM_SMD_CONTROL_CHANNELS]; unsigned char *usb_buf_out; unsigned char *apps_rsp_buf; /* buffer for updating mask to peripherals */ unsigned char *buf_msg_mask_update; unsigned char *buf_log_mask_update; unsigned char *buf_event_mask_update; unsigned char *buf_feature_mask_update; int read_len_legacy; struct mutex diag_hdlc_mutex; unsigned char *hdlc_buf; unsigned hdlc_count; unsigned hdlc_escape; int in_busy_pktdata; #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; struct work_struct diag_usb_connect_work; struct work_struct diag_usb_disconnect_work; #endif struct workqueue_struct *diag_wq; struct work_struct diag_drain_work; struct workqueue_struct *diag_cntl_wq; uint8_t *msg_masks; uint8_t msg_status; uint8_t *log_masks; uint8_t log_status; int log_masks_length; uint8_t *event_masks; uint8_t event_status; uint8_t log_on_demand_support; struct diag_master_table *table; uint8_t *pkt_buf; int pkt_length; struct diag_request *usb_read_ptr; struct diag_request *write_ptr_svc; int logging_mode; int mask_check; int logging_process_id; struct task_struct *socket_process; struct task_struct *callback_process; #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_DIAGFWD_BRIDGE_CODE spinlock_t hsic_ready_spinlock; /* common for all bridges */ struct work_struct diag_connect_work; struct work_struct diag_disconnect_work; /* SGLTE variables */ int lcid; unsigned char *buf_in_smux; int in_busy_smux; int diag_smux_enabled; int smux_connected; struct diag_request *write_ptr_mdm; #endif }; extern struct diag_bridge_dev *diag_bridge; extern struct diag_hsic_dev *diag_hsic; extern struct diagchar_dev *driver; extern int wrap_enabled; extern uint16_t wrap_count; #endif