| /* Copyright (c) 2015-2018, 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 DIAGFWD_PERIPHERAL_H |
| #define DIAGFWD_PERIPHERAL_H |
| |
| #define PERIPHERAL_BUF_SZ 16384 |
| #define MAX_PERIPHERAL_BUF_SZ 32768 |
| #define MAX_PERIPHERAL_HDLC_BUF_SZ 65539 |
| |
| #define TRANSPORT_UNKNOWN -1 |
| #ifdef CONFIG_DIAG_USES_SMD |
| #define TRANSPORT_SMD 0 |
| #define TRANSPORT_SOCKET 1 |
| #define TRANSPORT_GLINK 2 |
| #define NUM_TRANSPORT 3 |
| #else |
| #define TRANSPORT_SOCKET 0 |
| #define TRANSPORT_GLINK 1 |
| #define NUM_TRANSPORT 2 |
| #endif |
| #define NUM_WRITE_BUFFERS 2 |
| #define PERIPHERAL_MASK(x) \ |
| ((x == PERIPHERAL_MODEM) ? DIAG_CON_MPSS : \ |
| ((x == PERIPHERAL_LPASS) ? DIAG_CON_LPASS : \ |
| ((x == PERIPHERAL_WCNSS) ? DIAG_CON_WCNSS : \ |
| ((x == PERIPHERAL_SENSORS) ? DIAG_CON_SENSORS : \ |
| ((x == PERIPHERAL_WDSP) ? DIAG_CON_WDSP : \ |
| ((x == PERIPHERAL_CDSP) ? DIAG_CON_CDSP : 0)))))) \ |
| |
| #define PERIPHERAL_STRING(x) \ |
| ((x == PERIPHERAL_MODEM) ? "MODEM" : \ |
| ((x == PERIPHERAL_LPASS) ? "LPASS" : \ |
| ((x == PERIPHERAL_WCNSS) ? "WCNSS" : \ |
| ((x == PERIPHERAL_SENSORS) ? "SENSORS" : \ |
| ((x == PERIPHERAL_WDSP) ? "WDSP" : \ |
| ((x == PERIPHERAL_CDSP) ? "CDSP" : "UNKNOWN")))))) \ |
| |
| struct diagfwd_buf_t { |
| unsigned char *data; |
| unsigned char *data_raw; |
| uint32_t len; |
| uint32_t len_raw; |
| atomic_t in_busy; |
| int ctxt; |
| }; |
| |
| struct diag_channel_ops { |
| void (*open)(struct diagfwd_info *fwd_info); |
| void (*close)(struct diagfwd_info *fwd_info); |
| void (*read_done)(struct diagfwd_info *fwd_info, |
| unsigned char *buf, int len); |
| }; |
| |
| struct diag_peripheral_ops { |
| void (*open)(void *ctxt); |
| void (*close)(void *ctxt); |
| int (*write)(void *ctxt, unsigned char *buf, int len); |
| int (*read)(void *ctxt, unsigned char *buf, int len, |
| struct diagfwd_buf_t *fwd_buf); |
| void (*queue_read)(void *ctxt); |
| }; |
| |
| struct diag_id_info { |
| uint8_t diagid_val; |
| uint8_t pd; |
| char *reg_str; |
| }; |
| |
| struct diagfwd_info { |
| uint8_t peripheral; |
| uint8_t type; |
| uint8_t transport; |
| uint8_t inited; |
| uint8_t ch_open; |
| uint8_t num_pd; |
| int cpd_len_1; |
| int cpd_len_2; |
| int upd_len[MAX_PERIPHERAL_UPD][2]; |
| atomic_t opened; |
| unsigned long read_bytes; |
| unsigned long write_bytes; |
| spinlock_t write_buf_lock; |
| struct mutex buf_mutex; |
| struct mutex data_mutex; |
| void *ctxt; |
| struct diag_id_info root_diag_id; |
| struct diag_id_info upd_diag_id[MAX_PERIPHERAL_UPD]; |
| struct diagfwd_buf_t *buf_1; |
| struct diagfwd_buf_t *buf_2; |
| struct diagfwd_buf_t *buf_upd[MAX_PERIPHERAL_UPD][2]; |
| struct diagfwd_buf_t *buf_ptr[NUM_WRITE_BUFFERS]; |
| struct diag_peripheral_ops *p_ops; |
| struct diag_channel_ops *c_ops; |
| }; |
| |
| extern struct diagfwd_info peripheral_info[NUM_TYPES][NUM_PERIPHERALS]; |
| |
| int diagfwd_peripheral_init(void); |
| void diagfwd_peripheral_exit(void); |
| |
| void diagfwd_close_transport(uint8_t transport, uint8_t peripheral); |
| |
| void diagfwd_open(uint8_t peripheral, uint8_t type); |
| void diagfwd_early_open(uint8_t peripheral); |
| |
| void diagfwd_late_open(struct diagfwd_info *fwd_info); |
| void diagfwd_close(uint8_t peripheral, uint8_t type); |
| |
| int diag_md_get_peripheral(int ctxt); |
| |
| int diagfwd_register(uint8_t transport, uint8_t peripheral, uint8_t type, |
| void *ctxt, struct diag_peripheral_ops *ops, |
| struct diagfwd_info **fwd_ctxt); |
| int diagfwd_cntl_register(uint8_t transport, uint8_t peripheral, void *ctxt, |
| struct diag_peripheral_ops *ops, |
| struct diagfwd_info **fwd_ctxt); |
| void diagfwd_deregister(uint8_t peripheral, uint8_t type, void *ctxt); |
| |
| int diagfwd_write(uint8_t peripheral, uint8_t type, void *buf, int len); |
| void diagfwd_write_done(uint8_t peripheral, uint8_t type, int buf_num); |
| void diagfwd_buffers_init(struct diagfwd_info *fwd_info); |
| |
| /* |
| * The following functions are called by the channels |
| */ |
| int diagfwd_channel_open(struct diagfwd_info *fwd_info); |
| int diagfwd_channel_close(struct diagfwd_info *fwd_info); |
| void diagfwd_channel_read(struct diagfwd_info *fwd_info); |
| int diagfwd_channel_read_done(struct diagfwd_info *fwd_info, |
| unsigned char *buf, uint32_t len); |
| int diagfwd_write_buffer_done(struct diagfwd_info *fwd_info, const void *ptr); |
| |
| #endif |