35 lines
626 B
C
35 lines
626 B
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
|
||
|
|
#ifndef OCC_COMMON_H
|
||
|
|
#define OCC_COMMON_H
|
||
|
|
|
||
|
|
struct device;
|
||
|
|
|
||
|
|
#define OCC_RESP_DATA_BYTES 4089
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Same response format for all OCC versions.
|
||
|
|
* Allocate the largest possible response.
|
||
|
|
*/
|
||
|
|
struct occ_response {
|
||
|
|
u8 seq_no;
|
||
|
|
u8 cmd_type;
|
||
|
|
u8 return_status;
|
||
|
|
__be16 data_length;
|
||
|
|
u8 data[OCC_RESP_DATA_BYTES];
|
||
|
|
__be16 checksum;
|
||
|
|
} __packed;
|
||
|
|
|
||
|
|
struct occ {
|
||
|
|
struct device *bus_dev;
|
||
|
|
|
||
|
|
struct occ_response resp;
|
||
|
|
|
||
|
|
u8 poll_cmd_data; /* to perform OCC poll command */
|
||
|
|
int (*send_cmd)(struct occ *occ, u8 *cmd);
|
||
|
|
};
|
||
|
|
|
||
|
|
int occ_setup(struct occ *occ, const char *name);
|
||
|
|
|
||
|
|
#endif /* OCC_COMMON_H */
|