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/* Copyright (c) 2014-2016, 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 DIAG_MUX_H
#define DIAG_MUX_H
#include "diagchar.h"
struct diag_mux_state_t {
struct diag_logger_t *logger;
struct diag_logger_t *usb_ptr;
struct diag_logger_t *md_ptr;
unsigned int mux_mask;
unsigned int mode;
};
struct diag_mux_ops {
int (*open)(int id, int mode);
int (*close)(int id, int mode);
int (*read_done)(unsigned char *buf, int len, int id);
int (*write_done)(unsigned char *buf, int len, int buf_ctx,
int id);
};
#define DIAG_USB_MODE 0
#define DIAG_MEMORY_DEVICE_MODE 1
#define DIAG_NO_LOGGING_MODE 2
#define DIAG_MULTI_MODE 3
#define DIAG_MUX_LOCAL 0
#define DIAG_MUX_LOCAL_LAST 1
#define DIAG_MUX_BRIDGE_BASE DIAG_MUX_LOCAL_LAST
#define DIAG_MUX_MDM (DIAG_MUX_BRIDGE_BASE)
#define DIAG_MUX_MDM2 (DIAG_MUX_BRIDGE_BASE + 1)
#define DIAG_MUX_SMUX (DIAG_MUX_BRIDGE_BASE + 2)
#define DIAG_MUX_BRIDGE_LAST (DIAG_MUX_BRIDGE_BASE + 3)
#ifndef CONFIG_DIAGFWD_BRIDGE_CODE
#define NUM_MUX_PROC DIAG_MUX_LOCAL_LAST
#else
#define NUM_MUX_PROC DIAG_MUX_BRIDGE_LAST
#endif
struct diag_logger_ops {
void (*open)(void);
void (*close)(void);
int (*queue_read)(int id);
int (*write)(int id, unsigned char *buf, int len, int ctx);
int (*close_peripheral)(int id, uint8_t peripheral);
};
struct diag_logger_t {
int mode;
struct diag_mux_ops *ops[NUM_MUX_PROC];
struct diag_logger_ops *log_ops;
};
extern struct diag_mux_state_t *diag_mux;
int diag_mux_init(void);
void diag_mux_exit(void);
int diag_mux_register(int proc, int ctx, struct diag_mux_ops *ops);
int diag_mux_queue_read(int proc);
int diag_mux_write(int proc, unsigned char *buf, int len, int ctx);
int diag_mux_close_peripheral(int proc, uint8_t peripheral);
int diag_mux_open_all(struct diag_logger_t *logger);
int diag_mux_close_all(void);
int diag_mux_switch_logging(int *new_mode, int *peripheral_mask);
#endif
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