// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2022-2024, Linaro Ltd
 * Authors:
 *    Bjorn Andersson
 *    Dmitry Baryshkov
 */

#ifndef _LENOVO_YOGA_C630_DATA_H
#define _LENOVO_YOGA_C630_DATA_H

struct yoga_c630_ec;
struct notifier_block;

#define YOGA_C630_MOD_NAME      "lenovo_yoga_c630"

#define YOGA_C630_DEV_UCSI      "ucsi"
#define YOGA_C630_DEV_PSY       "psy"

int yoga_c630_ec_read8(struct yoga_c630_ec *ec, u8 addr);
int yoga_c630_ec_read16(struct yoga_c630_ec *ec, u8 addr);

int yoga_c630_ec_register_notify(struct yoga_c630_ec *ec, struct notifier_block *nb);
void yoga_c630_ec_unregister_notify(struct yoga_c630_ec *ec, struct notifier_block *nb);

#define YOGA_C630_UCSI_WRITE_SIZE       8
#define YOGA_C630_UCSI_CCI_SIZE         4
#define YOGA_C630_UCSI_DATA_SIZE        16
#define YOGA_C630_UCSI_READ_SIZE        (YOGA_C630_UCSI_CCI_SIZE + YOGA_C630_UCSI_DATA_SIZE)

u16 yoga_c630_ec_ucsi_get_version(struct yoga_c630_ec *ec);
int yoga_c630_ec_ucsi_write(struct yoga_c630_ec *ec,
                            const u8 req[YOGA_C630_UCSI_WRITE_SIZE]);
int yoga_c630_ec_ucsi_read(struct yoga_c630_ec *ec,
                           u8 resp[YOGA_C630_UCSI_READ_SIZE]);

#define LENOVO_EC_EVENT_USB             0x20
#define LENOVO_EC_EVENT_UCSI            0x21
#define LENOVO_EC_EVENT_HPD             0x22
#define LENOVO_EC_EVENT_BAT_STATUS      0x24
#define LENOVO_EC_EVENT_BAT_INFO        0x25
#define LENOVO_EC_EVENT_BAT_ADPT_STATUS 0x37

#endif