/* Copyright (c) 2008-2014, 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 #include "diagfwd_bridge.h" /* 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 (driver->itemsize_hdlc) #define DIAG_HDLC_BUF_SIZE 8195 #define MAX_SSID_PER_RANGE 200 #define ALL_PROC -1 #define MODEM_DATA 0 #define LPASS_DATA 1 #define WCNSS_DATA 2 #define SENSORS_DATA 3 #define LAST_PERIPHERAL SENSORS_DATA #define APPS_DATA (LAST_PERIPHERAL + 1) #define REMOTE_DATA 4 #define APPS_PROC 1 #define USER_SPACE_DATA 8192 #define PKT_SIZE 4096 #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 */ #define DIAG_CON_SENSORS (0x0016) #define DIAG_STM_MODEM 0x01 #define DIAG_STM_LPASS 0x02 #define DIAG_STM_WCNSS 0x04 #define DIAG_STM_APPS 0x08 #define DIAG_STM_SENSORS 0x16 #define DIAG_CMD_VERSION 0 #define DIAG_CMD_DOWNLOAD 0x3A #define DIAG_CMD_DIAG_SUBSYS 0x4B #define DIAG_CMD_LOG_CONFIG 0x73 #define DIAG_CMD_LOG_ON_DMND 0x78 #define DIAG_CMD_EXT_BUILD 0x7c #define DIAG_CMD_MSG_CONFIG 0x7D #define DIAG_CMD_GET_EVENT_MASK 0x81 #define DIAG_CMD_SET_EVENT_MASK 0x82 #define DIAG_CMD_EVENT_TOGGLE 0x60 #define DIAG_SS_DIAG 0x12 #define DIAG_SS_PARAMS 0x32 #define DIAG_DIAG_MAX_PKT_SZ 0x55 #define DIAG_DIAG_STM 0x214 #define DIAG_DIAG_POLL 0x03 #define DIAG_DEL_RSP_WRAP 0x04 #define DIAG_DEL_RSP_WRAP_CNT 0x05 #define DIAG_CMD_OP_LOG_DISABLE 0 #define DIAG_CMD_OP_GET_LOG_RANGE 1 #define DIAG_CMD_OP_SET_LOG_MASK 3 #define DIAG_CMD_OP_GET_LOG_MASK 4 #define DIAG_CMD_OP_GET_SSID_RANGE 1 #define DIAG_CMD_OP_GET_BUILD_MASK 2 #define DIAG_CMD_OP_GET_MSG_MASK 3 #define DIAG_CMD_OP_SET_MSG_MASK 4 #define DIAG_CMD_OP_SET_ALL_MSG_MASK 5 #define BAD_PARAM_RESPONSE_MESSAGE 20 #define MODE_CMD 41 #define RESET_ID 2 #define FEATURE_MASK_LEN 2 /* * 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_NONREALTIME 0 #define MODE_REALTIME 1 #define MODE_UNKNOWN 2 #define DIAG_BUFFERING_MODE_STREAMING 0 #define DIAG_BUFFERING_MODE_THRESHOLD 1 #define DIAG_BUFFERING_MODE_CIRCULAR 2 #define DIAG_MIN_WM_VAL 0 #define DIAG_MAX_WM_VAL 100 #define DEFAULT_LOW_WM_VAL 15 #define DEFAULT_HIGH_WM_VAL 85 #define NUM_SMD_DATA_CHANNELS 4 #define NUM_SMD_CONTROL_CHANNELS NUM_SMD_DATA_CHANNELS #define NUM_SMD_DCI_CHANNELS 4 #define NUM_SMD_CMD_CHANNELS 4 #define NUM_SMD_DCI_CMD_CHANNELS 4 /* * Number of stm processors includes all the peripherals and * apps.Added 1 below to indicate apps */ #define NUM_STM_PROCESSORS (NUM_SMD_CONTROL_CHANNELS + 1) /* * Indicates number of peripherals that can support DCI and Apps * processor. This doesn't mean that a peripheral has the * feature. */ #define NUM_DCI_PERIPHERALS (NUM_SMD_DATA_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 #define DIAG_PROC_DCI 1 #define DIAG_PROC_MEMORY_DEVICE 2 /* Flags to vote the DCI or Memory device process up or down when it becomes active or inactive */ #define VOTE_DOWN 0 #define VOTE_UP 1 #define DIAG_TS_SIZE 50 #define DIAG_MDM_BUF_SIZE 2048 /* The Maximum request size is 2k + DCI header + footer (6 bytes) */ #define DIAG_MDM_DCI_BUF_SIZE (2048 + 6) #define DIAG_LOCAL_PROC 0 #ifndef CONFIG_DIAGFWD_BRIDGE_CODE /* Local Processor only */ #define DIAG_NUM_PROC 1 #else /* Local Processor + Remote Devices */ #define DIAG_NUM_PROC (1 + NUM_REMOTE_DEV) #endif #define DIAG_WS_DCI 0 #define DIAG_WS_MD 1 #define DIAG_DATA_TYPE 1 #define DIAG_CNTL_TYPE 2 #define DIAG_DCI_TYPE 3 /* 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, QSC = 5, }; struct diag_pkt_header_t { uint8_t cmd_code; uint8_t subsys_id; uint16_t subsys_cmd_code; } __packed; 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_client_map { char name[20]; int pid; }; struct real_time_vote_t { int client_id; uint16_t proc; uint8_t real_time_vote; } __packed; struct real_time_query_t { int real_time; int proc; } __packed; struct diag_buffering_mode_t { uint8_t peripheral; uint8_t mode; uint8_t high_wm_val; uint8_t low_wm_val; } __packed; struct diag_ws_ref_t { int ref_count; int copy_count; spinlock_t lock; }; /* 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 /* * High level structure for storing Diag masks. * * @ptr: Pointer to the buffer that stores the masks * @mask_len: Length of the buffer pointed by ptr * @update_buf: Buffer for performing mask updates to peripherals * @update_buf_len: Length of the buffer pointed by buf * @status: status of the mask - all enable, disabled, valid * @lock: To protect access to the mask variables */ struct diag_mask_info { uint8_t *ptr; int mask_len; uint8_t *update_buf; int update_buf_len; uint8_t status; struct mutex lock; }; 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; spinlock_t in_busy_lock; unsigned char *buf_in_1; unsigned char *buf_in_2; unsigned char *buf_in_1_raw; unsigned char *buf_in_2_raw; unsigned int buf_in_1_size; unsigned int buf_in_2_size; unsigned int buf_in_1_raw_size; unsigned int buf_in_2_raw_size; int buf_in_1_ctxt; int buf_in_2_ctxt; struct workqueue_struct *wq; struct work_struct diag_read_smd_work; struct work_struct diag_notify_update_smd_work; int notify_context; struct work_struct diag_general_smd_work; int general_context; uint8_t inited; /* * 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; struct device *diag_dev; 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; int use_device_tree; int supports_separate_cmdrsp; int supports_apps_hdlc_encoding; /* The state requested in the STM command */ int stm_state_requested[NUM_STM_PROCESSORS]; /* The current STM state */ int stm_state[NUM_STM_PROCESSORS]; /* Whether or not the peripheral supports STM */ int peripheral_supports_stm[NUM_SMD_CONTROL_CHANNELS]; /* Delayed response Variables */ uint16_t delayed_rsp_id; struct mutex delayed_rsp_mutex; /* DCI related variables */ struct list_head dci_req_list; struct list_head dci_client_list; 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; /* Sizes that reflect memory pool sizes */ unsigned int itemsize; unsigned int poolsize; unsigned int itemsize_hdlc; unsigned int poolsize_hdlc; unsigned int itemsize_dci; unsigned int poolsize_dci; unsigned int debug_flag; int used; /* Buffers for masks */ struct mutex diag_cntl_mutex; /* Members for Sending response */ unsigned char *encoded_rsp_buf; int encoded_rsp_len; uint8_t rsp_buf_busy; spinlock_t rsp_buf_busy_lock; int rsp_buf_ctxt; /* State for diag forwarding */ 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 rcvd_feature_mask[NUM_SMD_CONTROL_CHANNELS]; int separate_cmdrsp[NUM_SMD_CONTROL_CHANNELS]; uint8_t peripheral_feature[NUM_SMD_CONTROL_CHANNELS][FEATURE_MASK_LEN]; uint8_t mask_centralization[NUM_SMD_CONTROL_CHANNELS]; uint8_t peripheral_buffering_support[NUM_SMD_CONTROL_CHANNELS]; struct diag_buffering_mode_t buffering_mode[NUM_SMD_CONTROL_CHANNELS]; struct mutex mode_lock; unsigned char *apps_rsp_buf; unsigned char *user_space_data_buf; uint8_t user_space_data_busy; /* buffer for updating mask to peripherals */ unsigned char *buf_feature_mask_update; struct mutex diag_hdlc_mutex; unsigned char *hdlc_buf; unsigned hdlc_count; unsigned hdlc_escape; int in_busy_pktdata; /* Variables for non real time mode */ int real_time_mode[DIAG_NUM_PROC]; int real_time_update_busy; uint16_t proc_active_mask; uint16_t proc_rt_vote_mask[DIAG_NUM_PROC]; struct mutex real_time_mutex; struct work_struct diag_real_time_work; struct workqueue_struct *diag_real_time_wq; #ifdef CONFIG_DIAG_OVER_USB int usb_connected; #endif struct workqueue_struct *diag_wq; struct work_struct diag_drain_work; struct workqueue_struct *diag_cntl_wq; uint8_t log_on_demand_support; struct diag_master_table *table; uint8_t *pkt_buf; int pkt_length; uint8_t *dci_pkt_buf; /* For Apps DCI packets */ uint32_t dci_pkt_length; int in_busy_dcipktdata; int logging_mode; int mask_check; int logging_process_id; struct task_struct *socket_process; struct task_struct *callback_process; /* Power related variables */ struct diag_ws_ref_t dci_ws; struct diag_ws_ref_t md_ws; spinlock_t ws_lock; /* Pointers to Diag Masks */ struct diag_mask_info *msg_mask; struct diag_mask_info *log_mask; struct diag_mask_info *event_mask; struct diag_mask_info *build_time_mask; uint8_t msg_mask_tbl_count; uint16_t event_mask_size; uint16_t last_event_id; /* Variables for Mask Centralization */ uint16_t num_event_id[NUM_SMD_CONTROL_CHANNELS]; uint32_t num_equip_id[NUM_SMD_CONTROL_CHANNELS]; uint32_t max_ssid_count[NUM_SMD_CONTROL_CHANNELS]; #ifdef CONFIG_DIAGFWD_BRIDGE_CODE /* For sending command requests in callback mode */ unsigned char *cb_buf; int cb_buf_len; #endif }; extern struct diagchar_dev *driver; extern int wrap_enabled; extern uint16_t wrap_count; void diag_get_timestamp(char *time_str); int diag_find_polling_reg(int i); void check_drain_timer(void); int diag_get_remote(int remote_info); void diag_ws_init(void); void diag_ws_on_notify(void); void diag_ws_on_read(int type, int pkt_len); void diag_ws_on_copy(int type); void diag_ws_on_copy_fail(int type); void diag_ws_on_copy_complete(int type); void diag_ws_reset(int type); void diag_ws_release(void); #endif