80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* Huawei Matebook E Go Embedded Controller
|
|
*
|
|
* Copyright (C) 2024-2025 Pengyu Luo <mitltlatltl@gmail.com>
|
|
*/
|
|
|
|
#ifndef __HUAWEI_GAOKUN_EC_H__
|
|
#define __HUAWEI_GAOKUN_EC_H__
|
|
|
|
#define GAOKUN_UCSI_CCI_SIZE 4
|
|
#define GAOKUN_UCSI_MSGI_SIZE 16
|
|
#define GAOKUN_UCSI_READ_SIZE (GAOKUN_UCSI_CCI_SIZE + GAOKUN_UCSI_MSGI_SIZE)
|
|
#define GAOKUN_UCSI_WRITE_SIZE 24 /* 8B CTRL, 16B MSGO */
|
|
|
|
#define GAOKUN_UCSI_NO_PORT_UPDATE (-1)
|
|
|
|
#define GAOKUN_SMART_CHARGE_DATA_SIZE 4 /* mode, delay, start, end */
|
|
|
|
/* -------------------------------------------------------------------------- */
|
|
|
|
struct gaokun_ec;
|
|
struct gaokun_ucsi_reg;
|
|
struct notifier_block;
|
|
|
|
#define GAOKUN_MOD_NAME "huawei_gaokun_ec"
|
|
#define GAOKUN_DEV_PSY "psy"
|
|
#define GAOKUN_DEV_UCSI "ucsi"
|
|
|
|
/* -------------------------------------------------------------------------- */
|
|
/* Common API */
|
|
|
|
int gaokun_ec_register_notify(struct gaokun_ec *ec,
|
|
struct notifier_block *nb);
|
|
void gaokun_ec_unregister_notify(struct gaokun_ec *ec,
|
|
struct notifier_block *nb);
|
|
|
|
int gaokun_ec_read(struct gaokun_ec *ec, const u8 *req,
|
|
size_t resp_len, u8 *resp);
|
|
int gaokun_ec_write(struct gaokun_ec *ec, const u8 *req);
|
|
int gaokun_ec_read_byte(struct gaokun_ec *ec, const u8 *req, u8 *byte);
|
|
|
|
/* -------------------------------------------------------------------------- */
|
|
/* API for PSY */
|
|
|
|
int gaokun_ec_psy_multi_read(struct gaokun_ec *ec, u8 reg,
|
|
size_t resp_len, u8 *resp);
|
|
|
|
static inline int gaokun_ec_psy_read_byte(struct gaokun_ec *ec,
|
|
u8 reg, u8 *byte)
|
|
{
|
|
return gaokun_ec_psy_multi_read(ec, reg, sizeof(*byte), byte);
|
|
}
|
|
|
|
static inline int gaokun_ec_psy_read_word(struct gaokun_ec *ec,
|
|
u8 reg, u16 *word)
|
|
{
|
|
return gaokun_ec_psy_multi_read(ec, reg, sizeof(*word), (u8 *)word);
|
|
}
|
|
|
|
int gaokun_ec_psy_get_smart_charge(struct gaokun_ec *ec,
|
|
u8 resp[GAOKUN_SMART_CHARGE_DATA_SIZE]);
|
|
int gaokun_ec_psy_set_smart_charge(struct gaokun_ec *ec,
|
|
const u8 req[GAOKUN_SMART_CHARGE_DATA_SIZE]);
|
|
|
|
int gaokun_ec_psy_get_smart_charge_enable(struct gaokun_ec *ec, bool *on);
|
|
int gaokun_ec_psy_set_smart_charge_enable(struct gaokun_ec *ec, bool on);
|
|
|
|
/* -------------------------------------------------------------------------- */
|
|
/* API for UCSI */
|
|
|
|
int gaokun_ec_ucsi_read(struct gaokun_ec *ec, u8 resp[GAOKUN_UCSI_READ_SIZE]);
|
|
int gaokun_ec_ucsi_write(struct gaokun_ec *ec,
|
|
const u8 req[GAOKUN_UCSI_WRITE_SIZE]);
|
|
|
|
int gaokun_ec_ucsi_get_reg(struct gaokun_ec *ec, struct gaokun_ucsi_reg *ureg);
|
|
int gaokun_ec_ucsi_pan_ack(struct gaokun_ec *ec, int port_id);
|
|
|
|
#endif /* __HUAWEI_GAOKUN_EC_H__ */
|