tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2022-2024, Linaro Ltd
4 * Authors:
5 * Bjorn Andersson
6 * Dmitry Baryshkov
7 */
8
9#ifndef _LENOVO_YOGA_C630_DATA_H
10#define _LENOVO_YOGA_C630_DATA_H
11
12struct yoga_c630_ec;
13struct notifier_block;
14
15#define YOGA_C630_MOD_NAME "lenovo_yoga_c630"
16
17#define YOGA_C630_DEV_UCSI "ucsi"
18#define YOGA_C630_DEV_PSY "psy"
19
20int yoga_c630_ec_read8(struct yoga_c630_ec *ec, u8 addr);
21int yoga_c630_ec_read16(struct yoga_c630_ec *ec, u8 addr);
22
23int yoga_c630_ec_register_notify(struct yoga_c630_ec *ec, struct notifier_block *nb);
24void yoga_c630_ec_unregister_notify(struct yoga_c630_ec *ec, struct notifier_block *nb);
25
26#define YOGA_C630_UCSI_WRITE_SIZE 8
27#define YOGA_C630_UCSI_CCI_SIZE 4
28#define YOGA_C630_UCSI_DATA_SIZE 16
29#define YOGA_C630_UCSI_READ_SIZE (YOGA_C630_UCSI_CCI_SIZE + YOGA_C630_UCSI_DATA_SIZE)
30
31u16 yoga_c630_ec_ucsi_get_version(struct yoga_c630_ec *ec);
32int yoga_c630_ec_ucsi_write(struct yoga_c630_ec *ec,
33 const u8 req[YOGA_C630_UCSI_WRITE_SIZE]);
34int yoga_c630_ec_ucsi_read(struct yoga_c630_ec *ec,
35 u8 resp[YOGA_C630_UCSI_READ_SIZE]);
36
37#define LENOVO_EC_EVENT_USB 0x20
38#define LENOVO_EC_EVENT_UCSI 0x21
39#define LENOVO_EC_EVENT_HPD 0x22
40#define LENOVO_EC_EVENT_BAT_STATUS 0x24
41#define LENOVO_EC_EVENT_BAT_INFO 0x25
42#define LENOVO_EC_EVENT_BAT_ADPT_STATUS 0x37
43
44#endif