ath10k: Populate HW params, WMI and HTT versions for WCN3990

firmware-5.bin file for WCN3990 contains just WMI and HTT versions and
firmware is loaded by PIL.

This change, populate the hw params for WCN3990 and parse
firmware-5.bin file for WMI and HTT versions.

CRs-Fixed: 2002151
Change-Id: Ic65d3696e9546fd428e608f4738e9fe53d61338f
Signed-off-by: Rajeev Kumar Sirasanagandla <rsirasan@codeaurora.org>

drivers/net/wireless/ath/ath10k/core.c

@@ -305,6 +305,21 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
 		.hw_ops = &qca99x0_ops,
 		.decap_align_bytes = 1,
 	},
+	{
+		.id = ATH10K_HW_WCN3990,
+		.dev_id = 0,
+		.name = "wcn3990 hw1.0",
+		.continuous_frag_desc = true,
+		.tx_chain_mask = 0x7,
+		.rx_chain_mask = 0x7,
+		.max_spatial_stream = 4,
+		.fw = {
+			.dir = WCN3990_HW_1_0_FW_DIR,
+		},
+		.sw_decrypt_mcast_mgmt = true,
+		.hw_ops = &wcn3990_ops,
+		.decap_align_bytes = 1,
+	},
 };
 
 static const char *const ath10k_core_fw_feature_str[] = {
@@ -1263,6 +1278,7 @@ int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name,
 		data += ie_len;
 	}
 
+	if (ar->is_bmi) {
 		if (!fw_file->firmware_data ||
 		    !fw_file->firmware_len) {
 			ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n",
@@ -1270,6 +1286,7 @@ int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name,
 			ret = -ENOMEDIUM;
 			goto err;
 		}
+	}
 
 	return 0;
 
@@ -1282,8 +1299,10 @@ static int ath10k_core_fetch_firmware_files(struct ath10k *ar)
 {
 	int ret;
 
+	if (ar->is_bmi) {
 		/* calibration file is optional, don't check for any errors */
 		ath10k_fetch_cal_file(ar);
+	}
 
 	ar->fw_api = 5;
 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
@@ -1574,8 +1593,6 @@ static int ath10k_core_init_firmware_features(struct ath10k *ar)
 {
 	struct ath10k_fw_file *fw_file = &ar->normal_mode_fw.fw_file;
 
-	init_fw_param(ar, &ar->normal_mode_fw.fw_file);
-
 	if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, fw_file->fw_features) &&
 	    !test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) {
 		ath10k_err(ar, "feature bits corrupted: 10.2 feature requires 10.x feature to be set as well");
@@ -1797,9 +1814,11 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
 	lockdep_assert_held(&ar->conf_mutex);
 
 	clear_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
-	if (!ar->qmi.is_qmi) {
+
 	ar->running_fw = fw;
 
+	if (ar->is_bmi) {
+
 		ath10k_bmi_start(ar);
 
 		if (ath10k_init_configure_target(ar)) {
@@ -1846,7 +1865,7 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
 		goto err;
 	}
 
-	if (!ar->qmi.is_qmi) {
+	if (ar->is_bmi) {
 		status = ath10k_bmi_done(ar);
 		if (status)
 			goto err;
@@ -2083,16 +2102,16 @@ static int ath10k_core_probe_fw(struct ath10k *ar)
 		return ret;
 	}
 
-	if (!ar->qmi.is_qmi) {
+	if (ar->is_bmi) {
 		memset(&target_info, 0, sizeof(target_info));
 		ret = ath10k_bmi_get_target_info(ar, &target_info);
 		if (ret) {
 			ath10k_err(ar, "could not get target info (%d)\n", ret);
 			goto err_power_down;
 		}
-
 		ar->target_version = target_info.version;
 		ar->hw->wiphy->hw_version = target_info.version;
+	}
 
 	ret = ath10k_init_hw_params(ar);
 	if (ret) {
@@ -2102,8 +2121,7 @@ static int ath10k_core_probe_fw(struct ath10k *ar)
 
 	ret = ath10k_core_fetch_firmware_files(ar);
 	if (ret) {
-			ath10k_err(ar, "could not fetch firmware files (%d)\n",
+		ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
-				   ret);
 		goto err_power_down;
 	}
 
@@ -2112,9 +2130,9 @@ static int ath10k_core_probe_fw(struct ath10k *ar)
 	memcpy(ar->hw->wiphy->fw_version,
 	       ar->normal_mode_fw.fw_file.fw_version,
 	       sizeof(ar->hw->wiphy->fw_version));
-
 	ath10k_debug_print_hwfw_info(ar);
 
+	if (ar->is_bmi) {
 		ret = ath10k_core_pre_cal_download(ar);
 		if (ret) {
 			/* pre calibration data download is not necessary
@@ -2147,7 +2165,7 @@ static int ath10k_core_probe_fw(struct ath10k *ar)
 		goto err_free_firmware_files;
 	}
 
-	if (!ar->qmi.is_qmi) {
+	if (ar->is_bmi) {
 		ret = ath10k_swap_code_seg_init(ar,
 						&ar->normal_mode_fw.fw_file);
 		if (ret) {
@@ -2299,6 +2317,12 @@ struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
 	ar->hif.ops = hif_ops;
 	ar->hif.bus = bus;
 
+	/* By default, assume bmi is set, as most of the existing
+	 * chip sets are based on this, set to false explicitly
+	 * when current chip set does not support.
+	 */
+	ar->is_bmi = true;
+
 	switch (hw_rev) {
 	case ATH10K_HW_QCA988X:
 	case ATH10K_HW_QCA9887:
@@ -2326,7 +2350,8 @@ struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
 	case ATH10K_HW_WCN3990:
 		ar->regs = &wcn3990_regs;
 		ar->hw_values = &wcn3990_values;
-		ar->qmi.is_qmi = true;
+		/* WCN3990 chip set is non bmi based */
+		ar->is_bmi = false;
 		ar->fw_flags = &wcn3990_fw_flags;
 		break;
 	default:

drivers/net/wireless/ath/ath10k/core.h

@@ -138,11 +138,6 @@ struct ath10k_bmi {
 	bool done_sent;
 };
 
-struct ath10k_qmi {
-	bool fw_ready;
-	bool is_qmi;
-};
-
 struct ath10k_mem_chunk {
 	void *vaddr;
 	dma_addr_t paddr;
@@ -745,7 +740,6 @@ struct ath10k {
 	const struct ath10k_hw_regs *regs;
 	const struct ath10k_hw_values *hw_values;
 	struct ath10k_bmi bmi;
-	struct ath10k_qmi qmi;
 	struct ath10k_wmi wmi;
 	struct ath10k_htc htc;
 	struct ath10k_htt htt;
@@ -930,6 +924,8 @@ struct ath10k {
 	spinlock_t ce_lock; /* lock for CE access */
 	void *ce_states;
 	struct fw_flag *fw_flags;
+	/* set for bmi chip sets */
+	bool is_bmi;
 	/* must be last */
 	u8 drv_priv[0] __aligned(sizeof(void *));
 };

drivers/net/wireless/ath/ath10k/hw.c

@@ -271,3 +271,5 @@ static int ath10k_qca99x0_rx_desc_get_l3_pad_bytes(struct htt_rx_desc *rxd)
 const struct ath10k_hw_ops qca99x0_ops = {
 	.rx_desc_get_l3_pad_bytes = ath10k_qca99x0_rx_desc_get_l3_pad_bytes,
 };
+
+const struct ath10k_hw_ops wcn3990_ops = {0};

drivers/net/wireless/ath/ath10k/hw.h

@@ -128,6 +128,10 @@ enum qca9377_chip_id_rev {
 #define QCA4019_HW_1_0_BOARD_DATA_FILE "board.bin"
 #define QCA4019_HW_1_0_PATCH_LOAD_ADDR  0x1234
 
+/* WCN3990 1.0 definitions */
+#define WCN3990_HW_1_0_DEV_VERSION     ATH10K_HW_WCN3990
+#define WCN3990_HW_1_0_FW_DIR          "/etc/firmware"
+
 #define ATH10K_FW_API2_FILE		"firmware-2.bin"
 #define ATH10K_FW_API3_FILE		"firmware-3.bin"
 
@@ -434,6 +438,7 @@ struct ath10k_hw_ops {
 
 extern const struct ath10k_hw_ops qca988x_ops;
 extern const struct ath10k_hw_ops qca99x0_ops;
+extern const struct ath10k_hw_ops wcn3990_ops;
 
 static inline int
 ath10k_rx_desc_get_l3_pad_bytes(struct ath10k_hw_params *hw,