diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/core.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/core.c | 355 |
1 files changed, 292 insertions, 63 deletions
diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 7226c23b9569..1129994fb105 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -39,17 +39,6 @@ MODULE_PARM_DESC(p2p, "Enable ath10k P2P support"); static const struct ath10k_hw_params ath10k_hw_params_list[] = { { - .id = QCA988X_HW_1_0_VERSION, - .name = "qca988x hw1.0", - .patch_load_addr = QCA988X_HW_1_0_PATCH_LOAD_ADDR, - .fw = { - .dir = QCA988X_HW_1_0_FW_DIR, - .fw = QCA988X_HW_1_0_FW_FILE, - .otp = QCA988X_HW_1_0_OTP_FILE, - .board = QCA988X_HW_1_0_BOARD_DATA_FILE, - }, - }, - { .id = QCA988X_HW_2_0_VERSION, .name = "qca988x hw2.0", .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR, @@ -64,33 +53,12 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { static void ath10k_send_suspend_complete(struct ath10k *ar) { - ath10k_dbg(ATH10K_DBG_CORE, "%s\n", __func__); + ath10k_dbg(ATH10K_DBG_BOOT, "boot suspend complete\n"); ar->is_target_paused = true; wake_up(&ar->event_queue); } -static int ath10k_check_fw_version(struct ath10k *ar) -{ - char version[32]; - - if (ar->fw_version_major >= SUPPORTED_FW_MAJOR && - ar->fw_version_minor >= SUPPORTED_FW_MINOR && - ar->fw_version_release >= SUPPORTED_FW_RELEASE && - ar->fw_version_build >= SUPPORTED_FW_BUILD) - return 0; - - snprintf(version, sizeof(version), "%u.%u.%u.%u", - SUPPORTED_FW_MAJOR, SUPPORTED_FW_MINOR, - SUPPORTED_FW_RELEASE, SUPPORTED_FW_BUILD); - - ath10k_warn("WARNING: Firmware version %s is not officially supported.\n", - ar->hw->wiphy->fw_version); - ath10k_warn("Please upgrade to version %s (or newer)\n", version); - - return 0; -} - static int ath10k_init_connect_htc(struct ath10k *ar) { int status; @@ -112,7 +80,7 @@ static int ath10k_init_connect_htc(struct ath10k *ar) goto timeout; } - ath10k_dbg(ATH10K_DBG_CORE, "core wmi ready\n"); + ath10k_dbg(ATH10K_DBG_BOOT, "boot wmi ready\n"); return 0; timeout: @@ -200,8 +168,7 @@ static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar, return fw; } -static int ath10k_push_board_ext_data(struct ath10k *ar, - const struct firmware *fw) +static int ath10k_push_board_ext_data(struct ath10k *ar) { u32 board_data_size = QCA988X_BOARD_DATA_SZ; u32 board_ext_data_size = QCA988X_BOARD_EXT_DATA_SZ; @@ -214,21 +181,21 @@ static int ath10k_push_board_ext_data(struct ath10k *ar, return ret; } - ath10k_dbg(ATH10K_DBG_CORE, - "ath10k: Board extended Data download addr: 0x%x\n", + ath10k_dbg(ATH10K_DBG_BOOT, + "boot push board extended data addr 0x%x\n", board_ext_data_addr); if (board_ext_data_addr == 0) return 0; - if (fw->size != (board_data_size + board_ext_data_size)) { + if (ar->board_len != (board_data_size + board_ext_data_size)) { ath10k_err("invalid board (ext) data sizes %zu != %d+%d\n", - fw->size, board_data_size, board_ext_data_size); + ar->board_len, board_data_size, board_ext_data_size); return -EINVAL; } ret = ath10k_bmi_write_memory(ar, board_ext_data_addr, - fw->data + board_data_size, + ar->board_data + board_data_size, board_ext_data_size); if (ret) { ath10k_err("could not write board ext data (%d)\n", ret); @@ -247,12 +214,11 @@ static int ath10k_push_board_ext_data(struct ath10k *ar, static int ath10k_download_board_data(struct ath10k *ar) { - const struct firmware *fw = ar->board_data; u32 board_data_size = QCA988X_BOARD_DATA_SZ; u32 address; int ret; - ret = ath10k_push_board_ext_data(ar, fw); + ret = ath10k_push_board_ext_data(ar); if (ret) { ath10k_err("could not push board ext data (%d)\n", ret); goto exit; @@ -264,8 +230,9 @@ static int ath10k_download_board_data(struct ath10k *ar) goto exit; } - ret = ath10k_bmi_write_memory(ar, address, fw->data, - min_t(u32, board_data_size, fw->size)); + ret = ath10k_bmi_write_memory(ar, address, ar->board_data, + min_t(u32, board_data_size, + ar->board_len)); if (ret) { ath10k_err("could not write board data (%d)\n", ret); goto exit; @@ -283,17 +250,16 @@ exit: static int ath10k_download_and_run_otp(struct ath10k *ar) { - const struct firmware *fw = ar->otp; u32 address = ar->hw_params.patch_load_addr; u32 exec_param; int ret; /* OTP is optional */ - if (!ar->otp) + if (!ar->otp_data || !ar->otp_len) return 0; - ret = ath10k_bmi_fast_download(ar, address, fw->data, fw->size); + ret = ath10k_bmi_fast_download(ar, address, ar->otp_data, ar->otp_len); if (ret) { ath10k_err("could not write otp (%d)\n", ret); goto exit; @@ -312,13 +278,13 @@ exit: static int ath10k_download_fw(struct ath10k *ar) { - const struct firmware *fw = ar->firmware; u32 address; int ret; address = ar->hw_params.patch_load_addr; - ret = ath10k_bmi_fast_download(ar, address, fw->data, fw->size); + ret = ath10k_bmi_fast_download(ar, address, ar->firmware_data, + ar->firmware_len); if (ret) { ath10k_err("could not write fw (%d)\n", ret); goto exit; @@ -330,8 +296,8 @@ exit: static void ath10k_core_free_firmware_files(struct ath10k *ar) { - if (ar->board_data && !IS_ERR(ar->board_data)) - release_firmware(ar->board_data); + if (ar->board && !IS_ERR(ar->board)) + release_firmware(ar->board); if (ar->otp && !IS_ERR(ar->otp)) release_firmware(ar->otp); @@ -339,12 +305,20 @@ static void ath10k_core_free_firmware_files(struct ath10k *ar) if (ar->firmware && !IS_ERR(ar->firmware)) release_firmware(ar->firmware); + ar->board = NULL; ar->board_data = NULL; + ar->board_len = 0; + ar->otp = NULL; + ar->otp_data = NULL; + ar->otp_len = 0; + ar->firmware = NULL; + ar->firmware_data = NULL; + ar->firmware_len = 0; } -static int ath10k_core_fetch_firmware_files(struct ath10k *ar) +static int ath10k_core_fetch_firmware_api_1(struct ath10k *ar) { int ret = 0; @@ -358,15 +332,18 @@ static int ath10k_core_fetch_firmware_files(struct ath10k *ar) return -EINVAL; } - ar->board_data = ath10k_fetch_fw_file(ar, - ar->hw_params.fw.dir, - ar->hw_params.fw.board); - if (IS_ERR(ar->board_data)) { - ret = PTR_ERR(ar->board_data); + ar->board = ath10k_fetch_fw_file(ar, + ar->hw_params.fw.dir, + ar->hw_params.fw.board); + if (IS_ERR(ar->board)) { + ret = PTR_ERR(ar->board); ath10k_err("could not fetch board data (%d)\n", ret); goto err; } + ar->board_data = ar->board->data; + ar->board_len = ar->board->size; + ar->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, ar->hw_params.fw.fw); @@ -376,6 +353,9 @@ static int ath10k_core_fetch_firmware_files(struct ath10k *ar) goto err; } + ar->firmware_data = ar->firmware->data; + ar->firmware_len = ar->firmware->size; + /* OTP may be undefined. If so, don't fetch it at all */ if (ar->hw_params.fw.otp == NULL) return 0; @@ -389,6 +369,172 @@ static int ath10k_core_fetch_firmware_files(struct ath10k *ar) goto err; } + ar->otp_data = ar->otp->data; + ar->otp_len = ar->otp->size; + + return 0; + +err: + ath10k_core_free_firmware_files(ar); + return ret; +} + +static int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name) +{ + size_t magic_len, len, ie_len; + int ie_id, i, index, bit, ret; + struct ath10k_fw_ie *hdr; + const u8 *data; + __le32 *timestamp; + + /* first fetch the firmware file (firmware-*.bin) */ + ar->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, name); + if (IS_ERR(ar->firmware)) { + ath10k_err("Could not fetch firmware file '%s': %ld\n", + name, PTR_ERR(ar->firmware)); + return PTR_ERR(ar->firmware); + } + + data = ar->firmware->data; + len = ar->firmware->size; + + /* magic also includes the null byte, check that as well */ + magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1; + + if (len < magic_len) { + ath10k_err("firmware image too small to contain magic: %zu\n", + len); + ret = -EINVAL; + goto err; + } + + if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) { + ath10k_err("Invalid firmware magic\n"); + ret = -EINVAL; + goto err; + } + + /* jump over the padding */ + magic_len = ALIGN(magic_len, 4); + + len -= magic_len; + data += magic_len; + + /* loop elements */ + 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 += sizeof(*hdr); + + if (len < ie_len) { + ath10k_err("Invalid length for FW IE %d (%zu < %zu)\n", + ie_id, len, ie_len); + ret = -EINVAL; + goto err; + } + + switch (ie_id) { + case ATH10K_FW_IE_FW_VERSION: + if (ie_len > sizeof(ar->hw->wiphy->fw_version) - 1) + break; + + memcpy(ar->hw->wiphy->fw_version, data, ie_len); + ar->hw->wiphy->fw_version[ie_len] = '\0'; + + ath10k_dbg(ATH10K_DBG_BOOT, + "found fw version %s\n", + ar->hw->wiphy->fw_version); + break; + case ATH10K_FW_IE_TIMESTAMP: + if (ie_len != sizeof(u32)) + break; + + timestamp = (__le32 *)data; + + ath10k_dbg(ATH10K_DBG_BOOT, "found fw timestamp %d\n", + le32_to_cpup(timestamp)); + break; + case ATH10K_FW_IE_FEATURES: + ath10k_dbg(ATH10K_DBG_BOOT, + "found firmware features ie (%zd B)\n", + ie_len); + + for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) { + index = i / 8; + bit = i % 8; + + if (index == ie_len) + break; + + if (data[index] & (1 << bit)) + __set_bit(i, ar->fw_features); + } + + ath10k_dbg_dump(ATH10K_DBG_BOOT, "features", "", + ar->fw_features, + sizeof(ar->fw_features)); + break; + case ATH10K_FW_IE_FW_IMAGE: + ath10k_dbg(ATH10K_DBG_BOOT, + "found fw image ie (%zd B)\n", + ie_len); + + ar->firmware_data = data; + ar->firmware_len = ie_len; + + break; + case ATH10K_FW_IE_OTP_IMAGE: + ath10k_dbg(ATH10K_DBG_BOOT, + "found otp image ie (%zd B)\n", + ie_len); + + ar->otp_data = data; + ar->otp_len = ie_len; + + break; + default: + ath10k_warn("Unknown FW IE: %u\n", + le32_to_cpu(hdr->id)); + break; + } + + /* jump over the padding */ + ie_len = ALIGN(ie_len, 4); + + len -= ie_len; + data += ie_len; + } + + if (!ar->firmware_data || !ar->firmware_len) { + ath10k_warn("No ATH10K_FW_IE_FW_IMAGE found from %s, skipping\n", + name); + ret = -ENOMEDIUM; + goto err; + } + + /* now fetch the board file */ + if (ar->hw_params.fw.board == NULL) { + ath10k_err("board data file not defined"); + ret = -EINVAL; + goto err; + } + + ar->board = ath10k_fetch_fw_file(ar, + ar->hw_params.fw.dir, + ar->hw_params.fw.board); + if (IS_ERR(ar->board)) { + ret = PTR_ERR(ar->board); + ath10k_err("could not fetch board data (%d)\n", ret); + goto err; + } + + ar->board_data = ar->board->data; + ar->board_len = ar->board->size; + return 0; err: @@ -396,6 +542,28 @@ err: return ret; } +static int ath10k_core_fetch_firmware_files(struct ath10k *ar) +{ + int ret; + + ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API2_FILE); + if (ret == 0) { + ar->fw_api = 2; + goto out; + } + + ret = ath10k_core_fetch_firmware_api_1(ar); + if (ret) + return ret; + + ar->fw_api = 1; + +out: + ath10k_dbg(ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api); + + return 0; +} + static int ath10k_init_download_firmware(struct ath10k *ar) { int ret; @@ -446,6 +614,13 @@ static int ath10k_init_uart(struct ath10k *ar) return ret; } + /* Set the UART baud rate to 19200. */ + ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200); + if (ret) { + ath10k_warn("could not set the baud rate (%d)\n", ret); + return ret; + } + ath10k_info("UART prints enabled\n"); return 0; } @@ -545,6 +720,9 @@ struct ath10k *ath10k_core_create(void *hif_priv, struct device *dev, INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work); skb_queue_head_init(&ar->offchan_tx_queue); + INIT_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work); + skb_queue_head_init(&ar->wmi_mgmt_tx_queue); + init_waitqueue_head(&ar->event_queue); INIT_WORK(&ar->restart_work, ath10k_core_restart); @@ -559,6 +737,8 @@ EXPORT_SYMBOL(ath10k_core_create); void ath10k_core_destroy(struct ath10k *ar) { + ath10k_debug_destroy(ar); + flush_workqueue(ar->workqueue); destroy_workqueue(ar->workqueue); @@ -570,6 +750,8 @@ int ath10k_core_start(struct ath10k *ar) { int status; + lockdep_assert_held(&ar->conf_mutex); + ath10k_bmi_start(ar); if (ath10k_init_configure_target(ar)) { @@ -620,10 +802,6 @@ int ath10k_core_start(struct ath10k *ar) ath10k_info("firmware %s booted\n", ar->hw->wiphy->fw_version); - status = ath10k_check_fw_version(ar); - if (status) - goto err_disconnect_htc; - status = ath10k_wmi_cmd_init(ar); if (status) { ath10k_err("could not send WMI init command (%d)\n", status); @@ -641,7 +819,12 @@ int ath10k_core_start(struct ath10k *ar) if (status) goto err_disconnect_htc; + status = ath10k_debug_start(ar); + if (status) + goto err_disconnect_htc; + ar->free_vdev_map = (1 << TARGET_NUM_VDEVS) - 1; + INIT_LIST_HEAD(&ar->arvifs); return 0; @@ -658,6 +841,9 @@ EXPORT_SYMBOL(ath10k_core_start); void ath10k_core_stop(struct ath10k *ar) { + lockdep_assert_held(&ar->conf_mutex); + + ath10k_debug_stop(ar); ath10k_htc_stop(&ar->htc); ath10k_htt_detach(&ar->htt); ath10k_wmi_detach(ar); @@ -704,23 +890,65 @@ static int ath10k_core_probe_fw(struct ath10k *ar) return ret; } + mutex_lock(&ar->conf_mutex); + ret = ath10k_core_start(ar); if (ret) { ath10k_err("could not init core (%d)\n", ret); ath10k_core_free_firmware_files(ar); ath10k_hif_power_down(ar); + mutex_unlock(&ar->conf_mutex); return ret; } ath10k_core_stop(ar); + + mutex_unlock(&ar->conf_mutex); + ath10k_hif_power_down(ar); return 0; } -int ath10k_core_register(struct ath10k *ar) +static int ath10k_core_check_chip_id(struct ath10k *ar) +{ + u32 hw_revision = MS(ar->chip_id, SOC_CHIP_ID_REV); + + ath10k_dbg(ATH10K_DBG_BOOT, "boot chip_id 0x%08x hw_revision 0x%x\n", + ar->chip_id, hw_revision); + + /* Check that we are not using hw1.0 (some of them have same pci id + * as hw2.0) before doing anything else as ath10k crashes horribly + * due to missing hw1.0 workarounds. */ + switch (hw_revision) { + case QCA988X_HW_1_0_CHIP_ID_REV: + ath10k_err("ERROR: qca988x hw1.0 is not supported\n"); + return -EOPNOTSUPP; + + case QCA988X_HW_2_0_CHIP_ID_REV: + /* known hardware revision, continue normally */ + return 0; + + default: + ath10k_warn("Warning: hardware revision unknown (0x%x), expect problems\n", + ar->chip_id); + return 0; + } + + return 0; +} + +int ath10k_core_register(struct ath10k *ar, u32 chip_id) { int status; + ar->chip_id = chip_id; + + status = ath10k_core_check_chip_id(ar); + if (status) { + ath10k_err("Unsupported chip id 0x%08x\n", ar->chip_id); + return status; + } + status = ath10k_core_probe_fw(ar); if (status) { ath10k_err("could not probe fw (%d)\n", status); @@ -755,6 +983,7 @@ void ath10k_core_unregister(struct ath10k *ar) * Otherwise we will fail to submit commands to FW and mac80211 will be * unhappy about callback failures. */ ath10k_mac_unregister(ar); + ath10k_core_free_firmware_files(ar); } EXPORT_SYMBOL(ath10k_core_unregister); |