iwlwifi: pcie: support 7265-D devices

Identify 7265-D devices using the hardware revision (they have the
same PCI IDs as 7265) and change the configuration for them taking
the differences (currently only the firmware image) into account.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

4 files changed, 75 insertions, 17 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-7000.c b/drivers/net/wireless/iwlwifi/iwl-7000.c
index b4e9bc7cc929..84d2a4280694 100644
--- a/drivers/net/wireless/iwlwifi/iwl-7000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-7000.c
@@ -102,6 +102,9 @@
 #define IWL7265_FW_PRE "iwlwifi-7265-"
 #define IWL7265_MODULE_FIRMWARE(api) IWL7265_FW_PRE __stringify(api) ".ucode"
 
+#define IWL7265D_FW_PRE "iwlwifi-7265D-"
+#define IWL7265D_MODULE_FIRMWARE(api) IWL7265_FW_PRE __stringify(api) ".ucode"
+
 #define NVM_HW_SECTION_NUM_FAMILY_7000          0
 
 static const struct iwl_base_params iwl7000_base_params = {
@@ -267,7 +270,38 @@ const struct iwl_cfg iwl7265_n_cfg = {
         .pwr_tx_backoffs = iwl7265_pwr_tx_backoffs,
 };
 
+const struct iwl_cfg iwl7265d_2ac_cfg = {
+        .name = "Intel(R) Dual Band Wireless AC 7265",
+        .fw_name_pre = IWL7265D_FW_PRE,
+        IWL_DEVICE_7000,
+        .ht_params = &iwl7265_ht_params,
+        .nvm_ver = IWL7265_NVM_VERSION,
+        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
+        .pwr_tx_backoffs = iwl7265_pwr_tx_backoffs,
+};
+
+const struct iwl_cfg iwl7265d_2n_cfg = {
+        .name = "Intel(R) Dual Band Wireless N 7265",
+        .fw_name_pre = IWL7265D_FW_PRE,
+        IWL_DEVICE_7000,
+        .ht_params = &iwl7265_ht_params,
+        .nvm_ver = IWL7265_NVM_VERSION,
+        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
+        .pwr_tx_backoffs = iwl7265_pwr_tx_backoffs,
+};
+
+const struct iwl_cfg iwl7265d_n_cfg = {
+        .name = "Intel(R) Wireless N 7265",
+        .fw_name_pre = IWL7265D_FW_PRE,
+        IWL_DEVICE_7000,
+        .ht_params = &iwl7265_ht_params,
+        .nvm_ver = IWL7265_NVM_VERSION,
+        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
+        .pwr_tx_backoffs = iwl7265_pwr_tx_backoffs,
+};
+
 MODULE_FIRMWARE(IWL7260_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
 MODULE_FIRMWARE(IWL3160_MODULE_FIRMWARE(IWL3160_UCODE_API_OK));
 MODULE_FIRMWARE(IWL3165_MODULE_FIRMWARE(IWL3160_UCODE_API_OK));
 MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
+MODULE_FIRMWARE(IWL7265D_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
diff --git a/drivers/net/wireless/iwlwifi/iwl-config.h b/drivers/net/wireless/iwlwifi/iwl-config.h
index c6ae4d4ec202..d43e90d894ec 100644
--- a/drivers/net/wireless/iwlwifi/iwl-config.h
+++ b/drivers/net/wireless/iwlwifi/iwl-config.h
@@ -364,6 +364,9 @@ extern const struct iwl_cfg iwl3165_2ac_cfg;
 extern const struct iwl_cfg iwl7265_2ac_cfg;
 extern const struct iwl_cfg iwl7265_2n_cfg;
 extern const struct iwl_cfg iwl7265_n_cfg;
+extern const struct iwl_cfg iwl7265d_2ac_cfg;
+extern const struct iwl_cfg iwl7265d_2n_cfg;
+extern const struct iwl_cfg iwl7265d_n_cfg;
 extern const struct iwl_cfg iwl8260_2n_cfg;
 extern const struct iwl_cfg iwl8260_2ac_cfg;
 extern const struct iwl_cfg iwl8260_2ac_sdio_cfg;
diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h
index 99657172ab85..aff63c3f5bf8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-csr.h
+++ b/drivers/net/wireless/iwlwifi/iwl-csr.h
@@ -309,23 +309,24 @@ enum {
 };
 
 
-#define CSR_HW_REV_TYPE_MSK            (0x000FFF0)
-#define CSR_HW_REV_TYPE_5300           (0x0000020)
-#define CSR_HW_REV_TYPE_5350           (0x0000030)
-#define CSR_HW_REV_TYPE_5100           (0x0000050)
-#define CSR_HW_REV_TYPE_5150           (0x0000040)
-#define CSR_HW_REV_TYPE_1000           (0x0000060)
-#define CSR_HW_REV_TYPE_6x00           (0x0000070)
-#define CSR_HW_REV_TYPE_6x50           (0x0000080)
-#define CSR_HW_REV_TYPE_6150           (0x0000084)
-#define CSR_HW_REV_TYPE_6x05           (0x00000B0)
-#define CSR_HW_REV_TYPE_6x30           CSR_HW_REV_TYPE_6x05
-#define CSR_HW_REV_TYPE_6x35           CSR_HW_REV_TYPE_6x05
-#define CSR_HW_REV_TYPE_2x30           (0x00000C0)
-#define CSR_HW_REV_TYPE_2x00           (0x0000100)
-#define CSR_HW_REV_TYPE_105            (0x0000110)
-#define CSR_HW_REV_TYPE_135            (0x0000120)
-#define CSR_HW_REV_TYPE_NONE           (0x00001F0)
+#define CSR_HW_REV_TYPE_MSK             (0x000FFF0)
+#define CSR_HW_REV_TYPE_5300            (0x0000020)
+#define CSR_HW_REV_TYPE_5350            (0x0000030)
+#define CSR_HW_REV_TYPE_5100            (0x0000050)
+#define CSR_HW_REV_TYPE_5150            (0x0000040)
+#define CSR_HW_REV_TYPE_1000            (0x0000060)
+#define CSR_HW_REV_TYPE_6x00            (0x0000070)
+#define CSR_HW_REV_TYPE_6x50            (0x0000080)
+#define CSR_HW_REV_TYPE_6150            (0x0000084)
+#define CSR_HW_REV_TYPE_6x05            (0x00000B0)
+#define CSR_HW_REV_TYPE_6x30            CSR_HW_REV_TYPE_6x05
+#define CSR_HW_REV_TYPE_6x35            CSR_HW_REV_TYPE_6x05
+#define CSR_HW_REV_TYPE_2x30            (0x00000C0)
+#define CSR_HW_REV_TYPE_2x00            (0x0000100)
+#define CSR_HW_REV_TYPE_105             (0x0000110)
+#define CSR_HW_REV_TYPE_135             (0x0000120)
+#define CSR_HW_REV_TYPE_7265D           (0x0000210)
+#define CSR_HW_REV_TYPE_NONE            (0x00001F0)
 
 /* EEPROM REG */
 #define CSR_EEPROM_REG_READ_VALID_MSK   (0x00000001)
diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c
index 6ced8549eb3a..3ee8e3848876 100644
--- a/drivers/net/wireless/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/iwlwifi/pcie/drv.c
@@ -499,6 +499,7 @@ static void set_dflt_pwr_limit(struct iwl_trans *trans, struct pci_dev *pdev) {}
 static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
         const struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
+        const struct iwl_cfg *cfg_7265d __maybe_unused = NULL;
         struct iwl_trans *iwl_trans;
         struct iwl_trans_pcie *trans_pcie;
         int ret;
@@ -507,6 +508,25 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         if (IS_ERR(iwl_trans))
                 return PTR_ERR(iwl_trans);
 
+#if IS_ENABLED(CONFIG_IWLMVM)
+        /*
+         * special-case 7265D, it has the same PCI IDs.
+         *
+         * Note that because we already pass the cfg to the transport above,
+         * all the parameters that the transport uses must, until that is
+         * changed, be identical to the ones in the 7265D configuration.
+         */
+        if (cfg == &iwl7265_2ac_cfg)
+                cfg_7265d = &iwl7265d_2ac_cfg;
+        else if (cfg == &iwl7265_2n_cfg)
+                cfg_7265d = &iwl7265d_2n_cfg;
+        else if (cfg == &iwl7265_n_cfg)
+                cfg_7265d = &iwl7265d_n_cfg;
+        if (cfg_7265d &&
+            (iwl_trans->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_7265D)
+                cfg = cfg_7265d;
+#endif
+
         pci_set_drvdata(pdev, iwl_trans);
 
         trans_pcie = IWL_TRANS_GET_PCIE_TRANS(iwl_trans);