drivers/net/wireless/realtek/rtw89/acpi.h

   1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
   2 /* Copyright(c) 2021-2023  Realtek Corporation
   3  */
   4
   5 #ifndef __RTW89_ACPI_H__
   6 #define __RTW89_ACPI_H__
   7
   8 #include "core.h"
   9
  10 enum rtw89_acpi_dsm_func {
  11         RTW89_ACPI_DSM_FUNC_IDN_BAND_SUP = 2,
  12         RTW89_ACPI_DSM_FUNC_6G_DIS = 3,
  13         RTW89_ACPI_DSM_FUNC_6G_BP = 4,
  14         RTW89_ACPI_DSM_FUNC_TAS_EN = 5,
  15         RTW89_ACPI_DSM_FUNC_UNII4_SUP = 6,
  16         RTW89_ACPI_DSM_FUNC_6GHZ_SP_SUP = 7,
  17 };
  18
  19 enum rtw89_acpi_conf_unii4 {
  20         RTW89_ACPI_CONF_UNII4_FCC = BIT(0),
  21         RTW89_ACPI_CONF_UNII4_IC = BIT(1),
  22 };
  23
  24 enum rtw89_acpi_policy_mode {
  25         RTW89_ACPI_POLICY_BLOCK = 0,
  26         RTW89_ACPI_POLICY_ALLOW = 1,
  27 };
  28
  29 struct rtw89_acpi_country_code {
  30         /* below are allowed:
  31          * * ISO alpha2 country code
  32          * * EU for countries in Europe
  33          */
  34         char alpha2[2];
  35 } __packed;
  36
  37 struct rtw89_acpi_policy_6ghz {
  38         u8 signature[3];
  39         u8 rsvd;
  40         u8 policy_mode;
  41         u8 country_count;
  42         struct rtw89_acpi_country_code country_list[] __counted_by(country_count);
  43 } __packed;
  44
  45 enum rtw89_acpi_conf_6ghz_sp {
  46         RTW89_ACPI_CONF_6GHZ_SP_US = BIT(0),
  47 };
  48
  49 struct rtw89_acpi_policy_6ghz_sp {
  50         u8 signature[4];
  51         u8 revision;
  52         u8 override;
  53         u8 conf;
  54         u8 rsvd;
  55 } __packed;
  56
  57 struct rtw89_acpi_dsm_result {
  58         union {
  59                 u8 value;
  60                 /* caller needs to free it after using */
  61                 struct rtw89_acpi_policy_6ghz *policy_6ghz;
  62                 struct rtw89_acpi_policy_6ghz_sp *policy_6ghz_sp;
  63         } u;
  64 };
  65
  66 int rtw89_acpi_evaluate_dsm(struct rtw89_dev *rtwdev,
  67                             enum rtw89_acpi_dsm_func func,
  68                             struct rtw89_acpi_dsm_result *res);
  69
  70 #endif