]> git.karo-electronics.de Git - linux-beck.git/blobdiff - drivers/net/wireless/ath/ath10k/core.c
ath10k: select board data based on BMI chip id and board id
[linux-beck.git] / drivers / net / wireless / ath / ath10k / core.c
index 25510679fd2ed643d81f782eb3edc37e9c9f9a86..13de3617d5abc3e76a5f7dc99eb96f9a500d9b42 100644 (file)
@@ -34,16 +34,19 @@ unsigned int ath10k_debug_mask;
 static unsigned int ath10k_cryptmode_param;
 static bool uart_print;
 static bool skip_otp;
+static bool rawmode;
 
 module_param_named(debug_mask, ath10k_debug_mask, uint, 0644);
 module_param_named(cryptmode, ath10k_cryptmode_param, uint, 0644);
 module_param(uart_print, bool, 0644);
 module_param(skip_otp, bool, 0644);
+module_param(rawmode, bool, 0644);
 
 MODULE_PARM_DESC(debug_mask, "Debugging mask");
 MODULE_PARM_DESC(uart_print, "Uart target debugging");
 MODULE_PARM_DESC(skip_otp, "Skip otp failure for calibration in testmode");
 MODULE_PARM_DESC(cryptmode, "Crypto mode: 0-hardware, 1-software");
+MODULE_PARM_DESC(rawmode, "Use raw 802.11 frame datapath");
 
 static const struct ath10k_hw_params ath10k_hw_params_list[] = {
        {
@@ -53,6 +56,8 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
                .uart_pin = 7,
                .has_shifted_cc_wraparound = true,
                .otp_exe_param = 0,
+               .channel_counters_freq_hz = 88000,
+               .max_probe_resp_desc_thres = 0,
                .fw = {
                        .dir = QCA988X_HW_2_0_FW_DIR,
                        .fw = QCA988X_HW_2_0_FW_FILE,
@@ -68,6 +73,8 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
                .patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
                .uart_pin = 6,
                .otp_exe_param = 0,
+               .channel_counters_freq_hz = 88000,
+               .max_probe_resp_desc_thres = 0,
                .fw = {
                        .dir = QCA6174_HW_2_1_FW_DIR,
                        .fw = QCA6174_HW_2_1_FW_FILE,
@@ -83,6 +90,8 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
                .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
                .uart_pin = 6,
                .otp_exe_param = 0,
+               .channel_counters_freq_hz = 88000,
+               .max_probe_resp_desc_thres = 0,
                .fw = {
                        .dir = QCA6174_HW_3_0_FW_DIR,
                        .fw = QCA6174_HW_3_0_FW_FILE,
@@ -98,6 +107,8 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
                .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
                .uart_pin = 6,
                .otp_exe_param = 0,
+               .channel_counters_freq_hz = 88000,
+               .max_probe_resp_desc_thres = 0,
                .fw = {
                        /* uses same binaries as hw3.0 */
                        .dir = QCA6174_HW_3_0_FW_DIR,
@@ -115,6 +126,8 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
                .uart_pin = 7,
                .otp_exe_param = 0x00000700,
                .continuous_frag_desc = true,
+               .channel_counters_freq_hz = 150000,
+               .max_probe_resp_desc_thres = 24,
                .fw = {
                        .dir = QCA99X0_HW_2_0_FW_DIR,
                        .fw = QCA99X0_HW_2_0_FW_FILE,
@@ -137,12 +150,17 @@ static const char *const ath10k_core_fw_feature_str[] = {
        [ATH10K_FW_FEATURE_IGNORE_OTP_RESULT] = "ignore-otp",
        [ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING] = "no-4addr-pad",
        [ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT] = "skip-clock-init",
+       [ATH10K_FW_FEATURE_RAW_MODE_SUPPORT] = "raw-mode",
 };
 
 static unsigned int ath10k_core_get_fw_feature_str(char *buf,
                                                   size_t buf_len,
                                                   enum ath10k_fw_features feat)
 {
+       /* make sure that ath10k_core_fw_feature_str[] gets updated */
+       BUILD_BUG_ON(ARRAY_SIZE(ath10k_core_fw_feature_str) !=
+                    ATH10K_FW_FEATURE_COUNT);
+
        if (feat >= ARRAY_SIZE(ath10k_core_fw_feature_str) ||
            WARN_ON(!ath10k_core_fw_feature_str[feat])) {
                return scnprintf(buf, buf_len, "bit%d", feat);
@@ -231,6 +249,17 @@ static int ath10k_init_configure_target(struct ath10k *ar)
                return ret;
        }
 
+       /* Some devices have a special sanity check that verifies the PCI
+        * Device ID is written to this host interest var. It is known to be
+        * required to boot QCA6164.
+        */
+       ret = ath10k_bmi_write32(ar, hi_hci_uart_pwr_mgmt_params_ext,
+                                ar->dev_id);
+       if (ret) {
+               ath10k_err(ar, "failed to set pwr_mgmt_params: %d\n", ret);
+               return ret;
+       }
+
        return 0;
 }
 
@@ -419,6 +448,56 @@ out:
        return ret;
 }
 
+static int ath10k_core_get_board_id_from_otp(struct ath10k *ar)
+{
+       u32 result, address;
+       u8 board_id, chip_id;
+       int ret;
+
+       address = ar->hw_params.patch_load_addr;
+
+       if (!ar->otp_data || !ar->otp_len) {
+               ath10k_warn(ar,
+                           "failed to retrieve board id because of invalid otp\n");
+               return -ENODATA;
+       }
+
+       ath10k_dbg(ar, ATH10K_DBG_BOOT,
+                  "boot upload otp to 0x%x len %zd for board id\n",
+                  address, ar->otp_len);
+
+       ret = ath10k_bmi_fast_download(ar, address, ar->otp_data, ar->otp_len);
+       if (ret) {
+               ath10k_err(ar, "could not write otp for board id check: %d\n",
+                          ret);
+               return ret;
+       }
+
+       ret = ath10k_bmi_execute(ar, address, BMI_PARAM_GET_EEPROM_BOARD_ID,
+                                &result);
+       if (ret) {
+               ath10k_err(ar, "could not execute otp for board id check: %d\n",
+                          ret);
+               return ret;
+       }
+
+       board_id = MS(result, ATH10K_BMI_BOARD_ID_FROM_OTP);
+       chip_id = MS(result, ATH10K_BMI_CHIP_ID_FROM_OTP);
+
+       ath10k_dbg(ar, ATH10K_DBG_BOOT,
+                  "boot get otp board id result 0x%08x board_id %d chip_id %d\n",
+                  result, board_id, chip_id);
+
+       if ((result & ATH10K_BMI_BOARD_ID_STATUS_MASK) != 0)
+               return -EOPNOTSUPP;
+
+       ar->id.bmi_ids_valid = true;
+       ar->id.bmi_board_id = board_id;
+       ar->id.bmi_chip_id = chip_id;
+
+       return 0;
+}
+
 static int ath10k_download_and_run_otp(struct ath10k *ar)
 {
        u32 result, address = ar->hw_params.patch_load_addr;
@@ -457,8 +536,8 @@ static int ath10k_download_and_run_otp(struct ath10k *ar)
        ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result);
 
        if (!(skip_otp || test_bit(ATH10K_FW_FEATURE_IGNORE_OTP_RESULT,
-                                  ar->fw_features))
-           && result != 0) {
+                                  ar->fw_features)) &&
+           result != 0) {
                ath10k_err(ar, "otp calibration failed: %d", result);
                return -EINVAL;
        }
@@ -481,7 +560,7 @@ static int ath10k_download_fw(struct ath10k *ar, enum ath10k_firmware_mode mode)
                data_len = ar->firmware_len;
                mode_name = "normal";
                ret = ath10k_swap_code_seg_configure(ar,
-                               ATH10K_SWAP_CODE_SEG_BIN_TYPE_FW);
+                                                    ATH10K_SWAP_CODE_SEG_BIN_TYPE_FW);
                if (ret) {
                        ath10k_err(ar, "failed to configure fw code swap: %d\n",
                                   ret);
@@ -512,11 +591,18 @@ static int ath10k_download_fw(struct ath10k *ar, enum ath10k_firmware_mode mode)
        return ret;
 }
 
-static void ath10k_core_free_firmware_files(struct ath10k *ar)
+static void ath10k_core_free_board_files(struct ath10k *ar)
 {
        if (!IS_ERR(ar->board))
                release_firmware(ar->board);
 
+       ar->board = NULL;
+       ar->board_data = NULL;
+       ar->board_len = 0;
+}
+
+static void ath10k_core_free_firmware_files(struct ath10k *ar)
+{
        if (!IS_ERR(ar->otp))
                release_firmware(ar->otp);
 
@@ -528,10 +614,6 @@ static void ath10k_core_free_firmware_files(struct ath10k *ar)
 
        ath10k_swap_code_seg_release(ar);
 
-       ar->board = NULL;
-       ar->board_data = NULL;
-       ar->board_len = 0;
-
        ar->otp = NULL;
        ar->otp_data = NULL;
        ar->otp_len = 0;
@@ -541,7 +623,6 @@ static void ath10k_core_free_firmware_files(struct ath10k *ar)
        ar->firmware_len = 0;
 
        ar->cal_file = NULL;
-
 }
 
 static int ath10k_fetch_cal_file(struct ath10k *ar)
@@ -563,68 +644,251 @@ static int ath10k_fetch_cal_file(struct ath10k *ar)
        return 0;
 }
 
-static int ath10k_core_fetch_spec_board_file(struct ath10k *ar)
+static int ath10k_core_fetch_board_data_api_1(struct ath10k *ar)
 {
-       char filename[100];
-
-       scnprintf(filename, sizeof(filename), "board-%s-%s.bin",
-                 ath10k_bus_str(ar->hif.bus), ar->spec_board_id);
+       if (!ar->hw_params.fw.board) {
+               ath10k_err(ar, "failed to find board file fw entry\n");
+               return -EINVAL;
+       }
 
-       ar->board = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, filename);
+       ar->board = ath10k_fetch_fw_file(ar,
+                                        ar->hw_params.fw.dir,
+                                        ar->hw_params.fw.board);
        if (IS_ERR(ar->board))
                return PTR_ERR(ar->board);
 
        ar->board_data = ar->board->data;
        ar->board_len = ar->board->size;
-       ar->spec_board_loaded = true;
 
        return 0;
 }
 
-static int ath10k_core_fetch_generic_board_file(struct ath10k *ar)
+static int ath10k_core_parse_bd_ie_board(struct ath10k *ar,
+                                        const void *buf, size_t buf_len,
+                                        const char *boardname)
 {
-       if (!ar->hw_params.fw.board) {
-               ath10k_err(ar, "failed to find board file fw entry\n");
-               return -EINVAL;
+       const struct ath10k_fw_ie *hdr;
+       bool name_match_found;
+       int ret, board_ie_id;
+       size_t board_ie_len;
+       const void *board_ie_data;
+
+       name_match_found = false;
+
+       /* go through ATH10K_BD_IE_BOARD_ elements */
+       while (buf_len > sizeof(struct ath10k_fw_ie)) {
+               hdr = buf;
+               board_ie_id = le32_to_cpu(hdr->id);
+               board_ie_len = le32_to_cpu(hdr->len);
+               board_ie_data = hdr->data;
+
+               buf_len -= sizeof(*hdr);
+               buf += sizeof(*hdr);
+
+               if (buf_len < ALIGN(board_ie_len, 4)) {
+                       ath10k_err(ar, "invalid ATH10K_BD_IE_BOARD length: %zu < %zu\n",
+                                  buf_len, ALIGN(board_ie_len, 4));
+                       ret = -EINVAL;
+                       goto out;
+               }
+
+               switch (board_ie_id) {
+               case ATH10K_BD_IE_BOARD_NAME:
+                       ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "board name", "",
+                                       board_ie_data, board_ie_len);
+
+                       if (board_ie_len != strlen(boardname))
+                               break;
+
+                       ret = memcmp(board_ie_data, boardname, strlen(boardname));
+                       if (ret)
+                               break;
+
+                       name_match_found = true;
+                       ath10k_dbg(ar, ATH10K_DBG_BOOT,
+                                  "boot found match for name '%s'",
+                                  boardname);
+                       break;
+               case ATH10K_BD_IE_BOARD_DATA:
+                       if (!name_match_found)
+                               /* no match found */
+                               break;
+
+                       ath10k_dbg(ar, ATH10K_DBG_BOOT,
+                                  "boot found board data for '%s'",
+                                  boardname);
+
+                       ar->board_data = board_ie_data;
+                       ar->board_len = board_ie_len;
+
+                       ret = 0;
+                       goto out;
+               default:
+                       ath10k_warn(ar, "unknown ATH10K_BD_IE_BOARD found: %d\n",
+                                   board_ie_id);
+                       break;
+               }
+
+               /* jump over the padding */
+               board_ie_len = ALIGN(board_ie_len, 4);
+
+               buf_len -= board_ie_len;
+               buf += board_ie_len;
        }
 
-       ar->board = ath10k_fetch_fw_file(ar,
-                                        ar->hw_params.fw.dir,
-                                        ar->hw_params.fw.board);
+       /* no match found */
+       ret = -ENOENT;
+
+out:
+       return ret;
+}
+
+static int ath10k_core_fetch_board_data_api_n(struct ath10k *ar,
+                                             const char *boardname,
+                                             const char *filename)
+{
+       size_t len, magic_len, ie_len;
+       struct ath10k_fw_ie *hdr;
+       const u8 *data;
+       int ret, ie_id;
+
+       ar->board = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, filename);
        if (IS_ERR(ar->board))
                return PTR_ERR(ar->board);
 
-       ar->board_data = ar->board->data;
-       ar->board_len = ar->board->size;
-       ar->spec_board_loaded = false;
+       data = ar->board->data;
+       len = ar->board->size;
+
+       /* magic has extra null byte padded */
+       magic_len = strlen(ATH10K_BOARD_MAGIC) + 1;
+       if (len < magic_len) {
+               ath10k_err(ar, "failed to find magic value in %s/%s, file too short: %zu\n",
+                          ar->hw_params.fw.dir, filename, len);
+               ret = -EINVAL;
+               goto err;
+       }
+
+       if (memcmp(data, ATH10K_BOARD_MAGIC, magic_len)) {
+               ath10k_err(ar, "found invalid board magic\n");
+               ret = -EINVAL;
+               goto err;
+       }
+
+       /* magic is padded to 4 bytes */
+       magic_len = ALIGN(magic_len, 4);
+       if (len < magic_len) {
+               ath10k_err(ar, "failed: %s/%s too small to contain board data, len: %zu\n",
+                          ar->hw_params.fw.dir, filename, len);
+               ret = -EINVAL;
+               goto err;
+       }
+
+       data += magic_len;
+       len -= magic_len;
+
+       while (len > sizeof(struct ath10k_fw_ie)) {
+               hdr = (struct ath10k_fw_ie *)data;
+               ie_id = le32_to_cpu(hdr->id);
+               ie_len = le32_to_cpu(hdr->len);
+
+               len -= sizeof(*hdr);
+               data = hdr->data;
+
+               if (len < ALIGN(ie_len, 4)) {
+                       ath10k_err(ar, "invalid length for board ie_id %d ie_len %zu len %zu\n",
+                                  ie_id, ie_len, len);
+                       ret = -EINVAL;
+                       goto err;
+               }
+
+               switch (ie_id) {
+               case ATH10K_BD_IE_BOARD:
+                       ret = ath10k_core_parse_bd_ie_board(ar, data, ie_len,
+                                                           boardname);
+                       if (ret == -ENOENT)
+                               /* no match found, continue */
+                               break;
+                       else if (ret)
+                               /* there was an error, bail out */
+                               goto err;
+
+                       /* board data found */
+                       goto out;
+               }
+
+               /* jump over the padding */
+               ie_len = ALIGN(ie_len, 4);
+
+               len -= ie_len;
+               data += ie_len;
+       }
+
+out:
+       if (!ar->board_data || !ar->board_len) {
+               ath10k_err(ar,
+                          "failed to fetch board data for %s from %s/%s\n",
+                          ar->hw_params.fw.dir, boardname, filename);
+               ret = -ENODATA;
+               goto err;
+       }
+
+       return 0;
+
+err:
+       ath10k_core_free_board_files(ar);
+       return ret;
+}
+
+static int ath10k_core_create_board_name(struct ath10k *ar, char *name,
+                                        size_t name_len)
+{
+       if (ar->id.bmi_ids_valid) {
+               scnprintf(name, name_len,
+                         "bus=%s,bmi-chip-id=%d,bmi-board-id=%d",
+                         ath10k_bus_str(ar->hif.bus),
+                         ar->id.bmi_chip_id,
+                         ar->id.bmi_board_id);
+               goto out;
+       }
+
+       scnprintf(name, name_len,
+                 "bus=%s,vendor=%04x,device=%04x,subsystem-vendor=%04x,subsystem-device=%04x",
+                 ath10k_bus_str(ar->hif.bus),
+                 ar->id.vendor, ar->id.device,
+                 ar->id.subsystem_vendor, ar->id.subsystem_device);
+
+out:
+       ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using board name '%s'\n", name);
 
        return 0;
 }
 
 static int ath10k_core_fetch_board_file(struct ath10k *ar)
 {
+       char boardname[100];
        int ret;
 
-       if (strlen(ar->spec_board_id) > 0) {
-               ret = ath10k_core_fetch_spec_board_file(ar);
-               if (ret) {
-                       ath10k_info(ar, "failed to load spec board file, falling back to generic: %d\n",
-                                   ret);
-                       goto generic;
-               }
-
-               ath10k_dbg(ar, ATH10K_DBG_BOOT, "found specific board file for %s\n",
-                          ar->spec_board_id);
-               return 0;
+       ret = ath10k_core_create_board_name(ar, boardname, sizeof(boardname));
+       if (ret) {
+               ath10k_err(ar, "failed to create board name: %d", ret);
+               return ret;
        }
 
-generic:
-       ret = ath10k_core_fetch_generic_board_file(ar);
+       ar->bd_api = 2;
+       ret = ath10k_core_fetch_board_data_api_n(ar, boardname,
+                                                ATH10K_BOARD_API2_FILE);
+       if (!ret)
+               goto success;
+
+       ar->bd_api = 1;
+       ret = ath10k_core_fetch_board_data_api_1(ar);
        if (ret) {
-               ath10k_err(ar, "failed to fetch generic board data: %d\n", ret);
+               ath10k_err(ar, "failed to fetch board data\n");
                return ret;
        }
 
+success:
+       ath10k_dbg(ar, ATH10K_DBG_BOOT, "using board api %d\n", ar->bd_api);
        return 0;
 }
 
@@ -856,12 +1120,6 @@ static int ath10k_core_fetch_firmware_files(struct ath10k *ar)
        /* calibration file is optional, don't check for any errors */
        ath10k_fetch_cal_file(ar);
 
-       ret = ath10k_core_fetch_board_file(ar);
-       if (ret) {
-               ath10k_err(ar, "failed to fetch board file: %d\n", ret);
-               return ret;
-       }
-
        ar->fw_api = 5;
        ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
 
@@ -1101,6 +1359,15 @@ static int ath10k_core_init_firmware_features(struct ath10k *ar)
        ar->htt.max_num_amsdu = ATH10K_HTT_MAX_NUM_AMSDU_DEFAULT;
        ar->htt.max_num_ampdu = ATH10K_HTT_MAX_NUM_AMPDU_DEFAULT;
 
+       if (rawmode) {
+               if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
+                             ar->fw_features)) {
+                       ath10k_err(ar, "rawmode = 1 requires support from firmware");
+                       return -EINVAL;
+               }
+               set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
+       }
+
        if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
                ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_RAW;
 
@@ -1225,10 +1492,10 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode)
                goto err;
 
        /* Some of of qca988x solutions are having global reset issue
-         * during target initialization. Bypassing PLL setting before
-         * downloading firmware and letting the SoC run on REF_CLK is
-         * fixing the problem. Corresponding firmware change is also needed
-         * to set the clock source once the target is initialized.
+        * during target initialization. Bypassing PLL setting before
+        * downloading firmware and letting the SoC run on REF_CLK is
+        * fixing the problem. Corresponding firmware change is also needed
+        * to set the clock source once the target is initialized.
         */
        if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT,
                     ar->fw_features)) {
@@ -1411,13 +1678,13 @@ int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt)
 void ath10k_core_stop(struct ath10k *ar)
 {
        lockdep_assert_held(&ar->conf_mutex);
+       ath10k_debug_stop(ar);
 
        /* try to suspend target */
        if (ar->state != ATH10K_STATE_RESTARTING &&
            ar->state != ATH10K_STATE_UTF)
                ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR);
 
-       ath10k_debug_stop(ar);
        ath10k_hif_stop(ar);
        ath10k_htt_tx_free(&ar->htt);
        ath10k_htt_rx_free(&ar->htt);
@@ -1462,6 +1729,19 @@ static int ath10k_core_probe_fw(struct ath10k *ar)
                goto err_power_down;
        }
 
+       ret = ath10k_core_get_board_id_from_otp(ar);
+       if (ret && ret != -EOPNOTSUPP) {
+               ath10k_err(ar, "failed to get board id from otp for qca99x0: %d\n",
+                          ret);
+               return ret;
+       }
+
+       ret = ath10k_core_fetch_board_file(ar);
+       if (ret) {
+               ath10k_err(ar, "failed to fetch board file: %d\n", ret);
+               goto err_free_firmware_files;
+       }
+
        ret = ath10k_core_init_firmware_features(ar);
        if (ret) {
                ath10k_err(ar, "fatal problem with firmware features: %d\n",
@@ -1589,6 +1869,7 @@ void ath10k_core_unregister(struct ath10k *ar)
        ath10k_testmode_destroy(ar);
 
        ath10k_core_free_firmware_files(ar);
+       ath10k_core_free_board_files(ar);
 
        ath10k_debug_unregister(ar);
 }
@@ -1698,6 +1979,7 @@ void ath10k_core_destroy(struct ath10k *ar)
        destroy_workqueue(ar->workqueue_aux);
 
        ath10k_debug_destroy(ar);
+       ath10k_wmi_free_host_mem(ar);
        ath10k_mac_destroy(ar);
 }
 EXPORT_SYMBOL(ath10k_core_destroy);