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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __RATP_BB_H
#define __RATP_BB_H
#include <linux/stringify.h>
#define BB_RATP_TYPE_COMMAND 1
#define BB_RATP_TYPE_COMMAND_RETURN 2
#define BB_RATP_TYPE_CONSOLEMSG 3
#define BB_RATP_TYPE_PING 4
#define BB_RATP_TYPE_PONG 5
#define BB_RATP_TYPE_GETENV 6
#define BB_RATP_TYPE_GETENV_RETURN 7
#define BB_RATP_TYPE_FS 8
#define BB_RATP_TYPE_FS_RETURN 9
#define BB_RATP_TYPE_MD 10
#define BB_RATP_TYPE_MD_RETURN 11
#define BB_RATP_TYPE_MW 12
#define BB_RATP_TYPE_MW_RETURN 13
#define BB_RATP_TYPE_RESET 14
#define BB_RATP_TYPE_I2C_READ 15
#define BB_RATP_TYPE_I2C_READ_RETURN 16
#define BB_RATP_TYPE_I2C_WRITE 17
#define BB_RATP_TYPE_I2C_WRITE_RETURN 18
#define BB_RATP_TYPE_GPIO_GET_VALUE 19
#define BB_RATP_TYPE_GPIO_GET_VALUE_RETURN 20
#define BB_RATP_TYPE_GPIO_SET_VALUE 21
#define BB_RATP_TYPE_GPIO_SET_VALUE_RETURN 22
#define BB_RATP_TYPE_GPIO_SET_DIRECTION 23
#define BB_RATP_TYPE_GPIO_SET_DIRECTION_RETURN 24
struct ratp_bb {
uint16_t type;
uint16_t flags;
uint8_t data[];
};
struct ratp_bb_pkt {
unsigned int len;
uint8_t data[];
};
int barebox_ratp(struct console_device *cdev);
int barebox_ratp_fs_call(struct ratp_bb_pkt *tx, struct ratp_bb_pkt **rx);
int barebox_ratp_fs_mount(const char *path);
/*
* RATP commands definition
*/
struct ratp_command {
struct list_head list;
uint16_t request_id;
uint16_t response_id;
int (*cmd)(const struct ratp_bb *req,
int req_len,
struct ratp_bb **rsp,
int *rsp_len);
}
#ifdef __x86_64__
/* This is required because the linker will put symbols on a 64 bit alignment */
__attribute__((aligned(64)))
#endif
;
#define BAREBOX_RATP_CMD_START(_name) \
extern const struct ratp_command __barebox_ratp_cmd_##_name; \
const struct ratp_command __barebox_ratp_cmd_##_name \
__attribute__ ((unused,section (".barebox_ratp_cmd_" __stringify(_name)))) = {
#define BAREBOX_RATP_CMD_END \
};
int register_ratp_command(struct ratp_command *cmd);
#endif /* __RATP_BB_H */
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