iwlwifi: support version 3 of GEO_TX_POWER_LIMIT

Add support for the new version of the GEO_TX_POWER_LIMIT command.
This new version includes UHB values in the table, but for now, since
we don't have the ACPI values yet, we support the API, but don't set
the extra values.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200928121852.3700197ed1ed.Ia53fb9c4b5033683fd426d51a0ddc46fb444c805@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
index 838b2844e3d6765ff5720cc785466f7be1e9b57d..e93656e461eae1e6995b53298793a6832aab8f38 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
@@ -645,7 +645,7 @@ bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt)
 IWL_EXPORT_SYMBOL(iwl_sar_geo_support);
 
 int iwl_sar_geo_init(struct iwl_fw_runtime *fwrt,
-                    struct iwl_per_chain_offset_group_v1 *table)
+                    struct iwl_per_chain_offset *table, u32 n_bands)
 {
        int ret, i, j;
 
@@ -661,16 +661,11 @@ int iwl_sar_geo_init(struct iwl_fw_runtime *fwrt,
                return -ENOENT;
        }
 
-       BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES * ACPI_WGDS_NUM_BANDS *
-                    ACPI_WGDS_TABLE_SIZE + 1 !=  ACPI_WGDS_WIFI_DATA_SIZE);
-
-       BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES > IWL_NUM_GEO_PROFILES);
-
        for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) {
                struct iwl_per_chain_offset *chain =
                        (struct iwl_per_chain_offset *)&table[i];
 
-               for (j = 0; j < ACPI_WGDS_NUM_BANDS; j++) {
+               for (j = 0; j < n_bands; j++) {
                        u8 *value;
 
                        value = &fwrt->geo_profiles[i].values[j *

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.h b/drivers/net/wireless/intel/iwlwifi/fw/acpi.h
index 94fabe6cd3686a50ecba5b151732336555198232..9d08d74e69394b9ec98c405283de755f22776f14 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.h
@@ -196,7 +196,7 @@ int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt);
 bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt);
 
 int iwl_sar_geo_init(struct iwl_fw_runtime *fwrt,
-                    struct iwl_per_chain_offset_group_v1 *table);
+                    struct iwl_per_chain_offset *table, u32 n_bands);
 
 int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt, __le32 *black_list_array,
                     int *black_list_size);
@@ -269,8 +269,8 @@ static inline bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt)
        return false;
 }
 
-static inline int iwl_sar_geo_init(struct iwl_fw_runtime *fwrt,
-                                  struct iwl_per_chain_offset_group *table)
+static int iwl_sar_geo_init(struct iwl_fw_runtime *fwrt,
+                           struct iwl_per_chain_offset *table, u32 n_bands)
 {
        return -ENOENT;
 }

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/power.h b/drivers/net/wireless/intel/iwlwifi/fw/api/power.h
index c3111a1e9f5734e208ce48051f382be9976366bb..4e6ad1793d0a1528b6e6e0a9c6fdfe013c4d74e5 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/power.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/power.h
@@ -437,6 +437,8 @@ struct iwl_dev_tx_power_cmd {
 };
 
 #define IWL_NUM_GEO_PROFILES   3
+#define IWL_NUM_BANDS_PER_CHAIN_V1 2
+#define IWL_NUM_BANDS_PER_CHAIN_V2 3
 
 /**
  * enum iwl_geo_per_chain_offset_operation - type of operation
@@ -460,11 +462,6 @@ struct iwl_per_chain_offset {
        u8 chain_b;
 } __packed; /* PER_CHAIN_LIMIT_OFFSET_PER_CHAIN_S_VER_1 */
 
-struct iwl_per_chain_offset_group_v1 {
-       struct iwl_per_chain_offset lb;
-       struct iwl_per_chain_offset hb;
-} __packed; /* PER_CHAIN_LIMIT_OFFSET_GROUP_S_VER_1 */
-
 /**
  * struct iwl_geo_tx_power_profile_cmd_v1 - struct for GEO_TX_POWER_LIMIT cmd.
  * @ops: operations, value from &enum iwl_geo_per_chain_offset_operation
@@ -472,24 +469,37 @@ struct iwl_per_chain_offset_group_v1 {
  */
 struct iwl_geo_tx_power_profiles_cmd_v1 {
        __le32 ops;
-       struct iwl_per_chain_offset_group_v1 table[IWL_NUM_GEO_PROFILES];
+       struct iwl_per_chain_offset table[IWL_NUM_GEO_PROFILES][IWL_NUM_BANDS_PER_CHAIN_V1];
 } __packed; /* GEO_TX_POWER_LIMIT_VER_1 */
 
 /**
- * struct iwl_geo_tx_power_profile_cmd - struct for GEO_TX_POWER_LIMIT cmd.
+ * struct iwl_geo_tx_power_profile_cmd_v2 - struct for GEO_TX_POWER_LIMIT cmd.
  * @ops: operations, value from &enum iwl_geo_per_chain_offset_operation
  * @table: offset profile per band.
  * @table_revision: BIOS table revision.
  */
 struct iwl_geo_tx_power_profiles_cmd_v2 {
        __le32 ops;
-       struct iwl_per_chain_offset_group_v1 table[IWL_NUM_GEO_PROFILES];
+       struct iwl_per_chain_offset table[IWL_NUM_GEO_PROFILES][IWL_NUM_BANDS_PER_CHAIN_V1];
        __le32 table_revision;
 } __packed; /* GEO_TX_POWER_LIMIT_VER_2 */
 
+/**
+ * struct iwl_geo_tx_power_profile_cmd_v3 - struct for GEO_TX_POWER_LIMIT cmd.
+ * @ops: operations, value from &enum iwl_geo_per_chain_offset_operation
+ * @table: offset profile per band.
+ * @table_revision: BIOS table revision.
+ */
+struct iwl_geo_tx_power_profiles_cmd_v3 {
+       __le32 ops;
+       struct iwl_per_chain_offset table[IWL_NUM_GEO_PROFILES][IWL_NUM_BANDS_PER_CHAIN_V2];
+       __le32 table_revision;
+} __packed; /* GEO_TX_POWER_LIMIT_VER_3 */
+
 union iwl_geo_tx_power_profiles_cmd {
        struct iwl_geo_tx_power_profiles_cmd_v1 v1;
        struct iwl_geo_tx_power_profiles_cmd_v2 v2;
+       struct iwl_geo_tx_power_profiles_cmd_v3 v3;
 };
 
 /**

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 644bd59cb0f07e62420db7b2431dbf66ffcd978d..06bb8ad84efb0439bcb7a6a2e764d0c8d649cf4c 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -787,13 +787,17 @@ int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
        u16 len;
        int ret;
        struct iwl_host_cmd cmd;
+       u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
+                                          PHY_OPS_GROUP, GEO_TX_POWER_LIMIT);
 
        /* the ops field is at the same spot for all versions, so set in v1 */
        geo_tx_cmd.v1.ops =
                cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
 
-       if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
-                      IWL_UCODE_TLV_API_SAR_TABLE_VER))
+       if (cmd_ver == 3)
+               len = sizeof(geo_tx_cmd.v3);
+       else if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
+                           IWL_UCODE_TLV_API_SAR_TABLE_VER))
                len = sizeof(geo_tx_cmd.v2);
        else
                len = sizeof(geo_tx_cmd.v1);
@@ -829,9 +833,12 @@ static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
        union iwl_geo_tx_power_profiles_cmd cmd;
        u16 len;
        int ret;
+       u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
+                                          PHY_OPS_GROUP, GEO_TX_POWER_LIMIT);
 
        /* the table is also at the same position both in v1 and v2 */
-       ret = iwl_sar_geo_init(&mvm->fwrt, cmd.v1.table);
+       ret = iwl_sar_geo_init(&mvm->fwrt, &cmd.v1.table[0][0],
+                              ACPI_WGDS_NUM_BANDS);
 
        /*
         * It is a valid scenario to not support SAR, or miss wgds table,
@@ -843,8 +850,11 @@ static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
        /* the ops field is at the same spot for all versions, so set in v1 */
        cmd.v1.ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES);
 
-       if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
-                      IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
+       if (cmd_ver == 3) {
+               len = sizeof(cmd.v3);
+               cmd.v3.table_revision = cpu_to_le32(mvm->fwrt.geo_rev);
+       } else if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
+                             IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
                len = sizeof(cmd.v2);
                cmd.v2.table_revision = cpu_to_le32(mvm->fwrt.geo_rev);
        } else {