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iwlwifi: mvm: support BIOS enable/disable for 11ax in Russia

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Read the new BIOS DSM and Pass to FW if to disable\enable
11ax for Russia according to the BIOS key. This is
needed to enable OEMs to control enable/disable 11ax in Russia.
Also add support for future "enable 11ax in country X" features.

Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210612142637.a705f7cedff8.I580f1021cabcc37e88f5ec5e9a6bbf00aae514b6@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Miri Korenblit 2021-06-12 14:32:34 +03:00 committed by Luca Coelho
parent adf6a0f8c0
commit 7119f02b5d
3 changed files with 63 additions and 22 deletions
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50
drivers/net/wireless/intel/iwlwifi/fw/acpi.c
View File

@ -163,6 +163,27 @@ int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func,
}
IWL_EXPORT_SYMBOL(iwl_acpi_get_dsm_u8);
/*
* Evaluate a DSM with no arguments and a u32 return value,
*/
int iwl_acpi_get_dsm_u32(struct device *dev, int rev, int func,
const guid_t *guid, u32 *value)
{
int ret;
u64 val;
ret = iwl_acpi_get_dsm_integer(dev, rev, func,
guid, &val, sizeof(u32));
if (ret < 0)
return ret;
/* cast val (u64) to be u32 */
*value = (u32)val;
return 0;
}
IWL_EXPORT_SYMBOL(iwl_acpi_get_dsm_u32);
union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
union acpi_object *data,
int data_size, int *tbl_rev)
@ -734,30 +755,35 @@ out:
__le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt)
{
u32 ret;
int ret;
u8 value;
__le32 config_bitmap = 0;
/*
** Evaluate func 'DSM_FUNC_ENABLE_INDONESIA_5G2'
*/
ret = iwl_acpi_eval_dsm_func(fwrt->dev, DSM_FUNC_ENABLE_INDONESIA_5G2);
ret = iwl_acpi_get_dsm_u8(fwrt->dev, 0,
DSM_FUNC_ENABLE_INDONESIA_5G2,
&iwl_guid, &value);
if (ret == DSM_VALUE_INDONESIA_ENABLE)
if (!ret && value == DSM_VALUE_INDONESIA_ENABLE)
config_bitmap |=
cpu_to_le32(LARI_CONFIG_ENABLE_5G2_IN_INDONESIA_MSK);
/*
** Evaluate func 'DSM_FUNC_DISABLE_SRD'
*/
ret = iwl_acpi_eval_dsm_func(fwrt->dev, DSM_FUNC_DISABLE_SRD);
if (ret == DSM_VALUE_SRD_PASSIVE)
config_bitmap |=
cpu_to_le32(LARI_CONFIG_CHANGE_ETSI_TO_PASSIVE_MSK);
else if (ret == DSM_VALUE_SRD_DISABLE)
config_bitmap |=
cpu_to_le32(LARI_CONFIG_CHANGE_ETSI_TO_DISABLED_MSK);
ret = iwl_acpi_get_dsm_u8(fwrt->dev, 0,
DSM_FUNC_DISABLE_SRD,
&iwl_guid, &value);
if (!ret) {
if (value == DSM_VALUE_SRD_PASSIVE)
config_bitmap |=
cpu_to_le32(LARI_CONFIG_CHANGE_ETSI_TO_PASSIVE_MSK);
else if (value == DSM_VALUE_SRD_DISABLE)
config_bitmap |=
cpu_to_le32(LARI_CONFIG_CHANGE_ETSI_TO_DISABLED_MSK);
}
return config_bitmap;
}

9
drivers/net/wireless/intel/iwlwifi/fw/acpi.h
View File

@ -116,6 +116,9 @@ void *iwl_acpi_get_object(struct device *dev, acpi_string method);
int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func,
const guid_t *guid, u8 *value);
int iwl_acpi_get_dsm_u32(struct device *dev, int rev, int func,
const guid_t *guid, u32 *value);
union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
union acpi_object *data,
int data_size, int *tbl_rev);
@ -182,6 +185,12 @@ static inline int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func,
return -ENOENT;
}
static inline int iwl_acpi_get_dsm_u32(struct device *dev, int rev, int func,
const guid_t *guid, u32 *value)
{
return -ENOENT;
}
static inline union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
union acpi_object *data,
int data_size,

26
drivers/net/wireless/intel/iwlwifi/mvm/fw.c
View File

@ -1139,14 +1139,19 @@ static u8 iwl_mvm_eval_dsm_rfi(struct iwl_mvm *mvm)
static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm)
{
int cmd_ret;
int ret;
u32 value;
struct iwl_lari_config_change_cmd_v3 cmd = {};
cmd.config_bitmap = iwl_acpi_get_lari_config_bitmap(&mvm->fwrt);
ret = iwl_acpi_get_dsm_u32((&mvm->fwrt)->dev, 0, DSM_FUNC_11AX_ENABLEMENT,
&iwl_guid, &value);
if (!ret)
cmd.oem_11ax_allow_bitmap = cpu_to_le32(value);
/* apply more config masks here */
if (cmd.config_bitmap) {
if (cmd.config_bitmap || cmd.oem_11ax_allow_bitmap) {
size_t cmd_size;
u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
REGULATORY_AND_NVM_GROUP,
@ -1159,16 +1164,17 @@ static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm)
cmd_size = sizeof(struct iwl_lari_config_change_cmd_v1);
IWL_DEBUG_RADIO(mvm,
"sending LARI_CONFIG_CHANGE, config_bitmap=0x%x\n",
le32_to_cpu(cmd.config_bitmap));
cmd_ret = iwl_mvm_send_cmd_pdu(mvm,
WIDE_ID(REGULATORY_AND_NVM_GROUP,
LARI_CONFIG_CHANGE),
0, cmd_size, &cmd);
if (cmd_ret < 0)
"sending LARI_CONFIG_CHANGE, config_bitmap=0x%x, oem_11ax_allow_bitmap=0x%x\n",
le32_to_cpu(cmd.config_bitmap),
le32_to_cpu(cmd.oem_11ax_allow_bitmap));
ret = iwl_mvm_send_cmd_pdu(mvm,
WIDE_ID(REGULATORY_AND_NVM_GROUP,
LARI_CONFIG_CHANGE),
0, cmd_size, &cmd);
if (ret < 0)
IWL_DEBUG_RADIO(mvm,
"Failed to send LARI_CONFIG_CHANGE (%d)\n",
cmd_ret);
ret);
}
}
#else /* CONFIG_ACPI */