wifi: iwlwifi: Add support for LARI_CONFIG_CHANGE_CMD v11

Add support for enable/disable 11be for china and South Korea by
reading DSM function 12 from UEFI or ACPI and sending it to the FW.

Signed-off-by: Anjaneyulu <[email protected]>
Signed-off-by: Miri Korenblit <[email protected]>
Link: https://msgid.link/20240512152312.037613d03c87.I4e5ee63c0dbdd4bd6c48daee7b0c88462b702423@changeid
Signed-off-by: Johannes Berg <[email protected]>

Author: panjaney

drivers/net/wireless/intel/iwlwifi/fw/acpi.c

@@ -27,6 +27,7 @@ static const size_t acpi_dsm_size[DSM_FUNC_NUM_FUNCS] = {
 	[DSM_FUNC_FORCE_DISABLE_CHANNELS] =	sizeof(u32),
 	[DSM_FUNC_ENERGY_DETECTION_THRESHOLD] =	sizeof(u32),
 	[DSM_FUNC_RFI_CONFIG] =			sizeof(u32),
+	[DSM_FUNC_ENABLE_11BE] =		sizeof(u32),
 };
 
 static int iwl_acpi_get_handle(struct device *dev, acpi_string method,

drivers/net/wireless/intel/iwlwifi/fw/api/nvm-reg.h

@@ -23,7 +23,8 @@ enum iwl_regulatory_and_nvm_subcmd_ids {
 	 *	&struct iwl_lari_config_change_cmd_v4,
 	 *	&struct iwl_lari_config_change_cmd_v5,
 	 *	&struct iwl_lari_config_change_cmd_v6,
-	 *	&struct iwl_lari_config_change_cmd_v7 or
+	 *	&struct iwl_lari_config_change_cmd_v7,
+	 *	&struct iwl_lari_config_change_cmd_v10 or
 	 *	&struct iwl_lari_config_change_cmd
 	 */
 	LARI_CONFIG_CHANGE = 0x1,
@@ -648,7 +649,7 @@ struct iwl_lari_config_change_cmd_v7 {
 /* LARI_CHANGE_CONF_CMD_S_VER_9 */
 
 /**
- * struct iwl_lari_config_change_cmd - change LARI configuration
+ * struct iwl_lari_config_change_cmd_v10 - change LARI configuration
  * @config_bitmap: Bitmap of the config commands. Each bit will trigger a
  *	different predefined FW config operation.
  * @oem_uhb_allow_bitmap: Bitmap of UHB enabled MCC sets.
@@ -674,7 +675,7 @@ struct iwl_lari_config_change_cmd_v7 {
  *	bit1: enable 320Mhz in South Korea.
  *	bit 2 - 31: reserved.
  */
-struct iwl_lari_config_change_cmd {
+struct iwl_lari_config_change_cmd_v10 {
 	__le32 config_bitmap;
 	__le32 oem_uhb_allow_bitmap;
 	__le32 oem_11ax_allow_bitmap;
@@ -686,6 +687,51 @@ struct iwl_lari_config_change_cmd {
 } __packed;
 /* LARI_CHANGE_CONF_CMD_S_VER_10 */
 
+/**
+ * struct iwl_lari_config_change_cmd - change LARI configuration
+ * @config_bitmap: Bitmap of the config commands. Each bit will trigger a
+ *	different predefined FW config operation.
+ * @oem_uhb_allow_bitmap: Bitmap of UHB enabled MCC sets.
+ * @oem_11ax_allow_bitmap: Bitmap of 11ax allowed MCCs. There are two bits
+ *	per country, one to indicate whether to override and the other to
+ *	indicate the value to use.
+ * @oem_unii4_allow_bitmap: Bitmap of unii4 allowed MCCs.There are two bits
+ *	per country, one to indicate whether to override and the other to
+ *	indicate allow/disallow unii4 channels.
+ *	For LARI cmd version 11 - bits 0:5 are supported.
+ * @chan_state_active_bitmap: Bitmap to enable different bands per country
+ *	or region.
+ *	Each bit represents a country or region, and a band to activate
+ *	according to the BIOS definitions.
+ *	For LARI cmd version 11 - bits 0:4 are supported.
+ * @force_disable_channels_bitmap: Bitmap of disabled bands/channels.
+ *	Each bit represents a set of channels in a specific band that should be
+ *	disabled
+ * @edt_bitmap: Bitmap of energy detection threshold table.
+ *	Disable/enable the EDT optimization method for different band.
+ * @oem_320mhz_allow_bitmap: 320Mhz bandwidth enablement bitmap per MCC.
+ *	bit0: enable 320Mhz in Japan.
+ *	bit1: enable 320Mhz in South Korea.
+ *	bit 2 - 31: reserved.
+ * @oem_11be_allow_bitmap: Bitmap of 11be allowed MCCs. No need to mask out the
+ *	unsupported bits
+ *	bit0: enable 11be in China(CB/CN).
+ *	bit1: enable 11be in South Korea.
+ *	bit 2 - 31: reserved.
+ */
+struct iwl_lari_config_change_cmd {
+	__le32 config_bitmap;
+	__le32 oem_uhb_allow_bitmap;
+	__le32 oem_11ax_allow_bitmap;
+	__le32 oem_unii4_allow_bitmap;
+	__le32 chan_state_active_bitmap;
+	__le32 force_disable_channels_bitmap;
+	__le32 edt_bitmap;
+	__le32 oem_320mhz_allow_bitmap;
+	__le32 oem_11be_allow_bitmap;
+} __packed;
+/* LARI_CHANGE_CONF_CMD_S_VER_11 */
+
 /* Activate UNII-1 (5.2GHz) for World Wide */
 #define ACTIVATE_5G2_IN_WW_MASK	BIT(4)
 

drivers/net/wireless/intel/iwlwifi/fw/regulatory.c

@@ -497,9 +497,12 @@ static size_t iwl_get_lari_config_cmd_size(u8 cmd_ver)
 	size_t cmd_size;
 
 	switch (cmd_ver) {
-	case 10:
+	case 11:
 		cmd_size = sizeof(struct iwl_lari_config_change_cmd);
 		break;
+	case 10:
+		cmd_size = sizeof(struct iwl_lari_config_change_cmd_v10);
+		break;
 	case 9:
 	case 8:
 	case 7:
@@ -580,14 +583,19 @@ int iwl_fill_lari_config(struct iwl_fw_runtime *fwrt,
 	if (!ret)
 		cmd->oem_320mhz_allow_bitmap = cpu_to_le32(value);
 
+	ret = iwl_bios_get_dsm(fwrt, DSM_FUNC_ENABLE_11BE, &value);
+	if (!ret)
+		cmd->oem_11be_allow_bitmap = cpu_to_le32(value);
+
 	if (cmd->config_bitmap ||
 	    cmd->oem_uhb_allow_bitmap ||
 	    cmd->oem_11ax_allow_bitmap ||
 	    cmd->oem_unii4_allow_bitmap ||
 	    cmd->chan_state_active_bitmap ||
 	    cmd->force_disable_channels_bitmap ||
 	    cmd->edt_bitmap ||
-	    cmd->oem_320mhz_allow_bitmap) {
+	    cmd->oem_320mhz_allow_bitmap ||
+	    cmd->oem_11be_allow_bitmap) {
 		IWL_DEBUG_RADIO(fwrt,
 				"sending LARI_CONFIG_CHANGE, config_bitmap=0x%x, oem_11ax_allow_bitmap=0x%x\n",
 				le32_to_cpu(cmd->config_bitmap),
@@ -605,6 +613,9 @@ int iwl_fill_lari_config(struct iwl_fw_runtime *fwrt,
 				"sending LARI_CONFIG_CHANGE, edt_bitmap=0x%x, oem_320mhz_allow_bitmap=0x%x\n",
 				le32_to_cpu(cmd->edt_bitmap),
 				le32_to_cpu(cmd->oem_320mhz_allow_bitmap));
+		IWL_DEBUG_RADIO(fwrt,
+				"sending LARI_CONFIG_CHANGE, oem_11be_allow_bitmap=0x%x\n",
+				le32_to_cpu(cmd->oem_11be_allow_bitmap));
 	} else {
 		return 1;
 	}

drivers/net/wireless/intel/iwlwifi/fw/regulatory.h

@@ -115,7 +115,8 @@ enum iwl_dsm_funcs {
 	DSM_FUNC_FORCE_DISABLE_CHANNELS = 9,
 	DSM_FUNC_ENERGY_DETECTION_THRESHOLD = 10,
 	DSM_FUNC_RFI_CONFIG = 11,
-	DSM_FUNC_NUM_FUNCS = 12,
+	DSM_FUNC_ENABLE_11BE = 12,
+	DSM_FUNC_NUM_FUNCS = 13,
 };
 
 enum iwl_dsm_values_srd {