include/linux/platform_data/lenovo-yoga-c630.h

   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
  12 struct yoga_c630_ec;
  13 struct 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
  20 int yoga_c630_ec_read8(struct yoga_c630_ec *ec, u8 addr);
  21 int yoga_c630_ec_read16(struct yoga_c630_ec *ec, u8 addr);
  22
  23 int yoga_c630_ec_register_notify(struct yoga_c630_ec *ec, struct notifier_block *nb);
  24 void 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
  31 u16 yoga_c630_ec_ucsi_get_version(struct yoga_c630_ec *ec);
  32 int yoga_c630_ec_ucsi_write(struct yoga_c630_ec *ec,
  33                             const u8 req[YOGA_C630_UCSI_WRITE_SIZE]);
  34 int 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