2 * Copyright (c) 2005-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #include <linux/module.h>
19 #include <linux/firmware.h>
31 unsigned int ath10k_debug_mask;
32 static bool uart_print;
33 static unsigned int ath10k_p2p;
36 module_param_named(debug_mask, ath10k_debug_mask, uint, 0644);
37 module_param(uart_print, bool, 0644);
38 module_param_named(p2p, ath10k_p2p, uint, 0644);
39 module_param(skip_otp, bool, 0644);
41 MODULE_PARM_DESC(debug_mask, "Debugging mask");
42 MODULE_PARM_DESC(uart_print, "Uart target debugging");
43 MODULE_PARM_DESC(p2p, "Enable ath10k P2P support");
44 MODULE_PARM_DESC(skip_otp, "Skip otp failure for calibration in testmode");
46 static const struct ath10k_hw_params ath10k_hw_params_list[] = {
48 .id = QCA988X_HW_2_0_VERSION,
49 .name = "qca988x hw2.0",
50 .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
52 .dir = QCA988X_HW_2_0_FW_DIR,
53 .fw = QCA988X_HW_2_0_FW_FILE,
54 .otp = QCA988X_HW_2_0_OTP_FILE,
55 .board = QCA988X_HW_2_0_BOARD_DATA_FILE,
60 static void ath10k_send_suspend_complete(struct ath10k *ar)
62 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot suspend complete\n");
64 complete(&ar->target_suspend);
67 static int ath10k_init_configure_target(struct ath10k *ar)
72 /* tell target which HTC version it is used*/
73 ret = ath10k_bmi_write32(ar, hi_app_host_interest,
74 HTC_PROTOCOL_VERSION);
76 ath10k_err(ar, "settings HTC version failed\n");
80 /* set the firmware mode to STA/IBSS/AP */
81 ret = ath10k_bmi_read32(ar, hi_option_flag, ¶m_host);
83 ath10k_err(ar, "setting firmware mode (1/2) failed\n");
87 /* TODO following parameters need to be re-visited. */
89 param_host |= (1 << HI_OPTION_NUM_DEV_SHIFT);
91 /* FIXME: Why FW_MODE_AP ??.*/
92 param_host |= (HI_OPTION_FW_MODE_AP << HI_OPTION_FW_MODE_SHIFT);
94 param_host |= (1 << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
96 param_host |= (0 << HI_OPTION_FW_BRIDGE_SHIFT);
98 param_host |= (0 << HI_OPTION_FW_SUBMODE_SHIFT);
100 ret = ath10k_bmi_write32(ar, hi_option_flag, param_host);
102 ath10k_err(ar, "setting firmware mode (2/2) failed\n");
106 /* We do all byte-swapping on the host */
107 ret = ath10k_bmi_write32(ar, hi_be, 0);
109 ath10k_err(ar, "setting host CPU BE mode failed\n");
113 /* FW descriptor/Data swap flags */
114 ret = ath10k_bmi_write32(ar, hi_fw_swap, 0);
117 ath10k_err(ar, "setting FW data/desc swap flags failed\n");
124 static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar,
129 const struct firmware *fw;
133 return ERR_PTR(-ENOENT);
138 snprintf(filename, sizeof(filename), "%s/%s", dir, file);
139 ret = request_firmware(&fw, filename, ar->dev);
146 static int ath10k_push_board_ext_data(struct ath10k *ar, const void *data,
149 u32 board_data_size = QCA988X_BOARD_DATA_SZ;
150 u32 board_ext_data_size = QCA988X_BOARD_EXT_DATA_SZ;
151 u32 board_ext_data_addr;
154 ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr);
156 ath10k_err(ar, "could not read board ext data addr (%d)\n",
161 ath10k_dbg(ar, ATH10K_DBG_BOOT,
162 "boot push board extended data addr 0x%x\n",
163 board_ext_data_addr);
165 if (board_ext_data_addr == 0)
168 if (data_len != (board_data_size + board_ext_data_size)) {
169 ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n",
170 data_len, board_data_size, board_ext_data_size);
174 ret = ath10k_bmi_write_memory(ar, board_ext_data_addr,
175 data + board_data_size,
176 board_ext_data_size);
178 ath10k_err(ar, "could not write board ext data (%d)\n", ret);
182 ret = ath10k_bmi_write32(ar, hi_board_ext_data_config,
183 (board_ext_data_size << 16) | 1);
185 ath10k_err(ar, "could not write board ext data bit (%d)\n",
193 static int ath10k_download_board_data(struct ath10k *ar, const void *data,
196 u32 board_data_size = QCA988X_BOARD_DATA_SZ;
200 ret = ath10k_push_board_ext_data(ar, data, data_len);
202 ath10k_err(ar, "could not push board ext data (%d)\n", ret);
206 ret = ath10k_bmi_read32(ar, hi_board_data, &address);
208 ath10k_err(ar, "could not read board data addr (%d)\n", ret);
212 ret = ath10k_bmi_write_memory(ar, address, data,
213 min_t(u32, board_data_size,
216 ath10k_err(ar, "could not write board data (%d)\n", ret);
220 ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1);
222 ath10k_err(ar, "could not write board data bit (%d)\n", ret);
230 static int ath10k_download_cal_file(struct ath10k *ar)
237 if (IS_ERR(ar->cal_file))
238 return PTR_ERR(ar->cal_file);
240 ret = ath10k_download_board_data(ar, ar->cal_file->data,
243 ath10k_err(ar, "failed to download cal_file data: %d\n", ret);
247 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot cal file downloaded\n");
252 static int ath10k_download_and_run_otp(struct ath10k *ar)
254 u32 result, address = ar->hw_params.patch_load_addr;
257 ret = ath10k_download_board_data(ar, ar->board_data, ar->board_len);
259 ath10k_err(ar, "failed to download board data: %d\n", ret);
263 /* OTP is optional */
265 if (!ar->otp_data || !ar->otp_len) {
266 ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %p otp_len %zd)!\n",
267 ar->otp_data, ar->otp_len);
271 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n",
272 address, ar->otp_len);
274 ret = ath10k_bmi_fast_download(ar, address, ar->otp_data, ar->otp_len);
276 ath10k_err(ar, "could not write otp (%d)\n", ret);
280 ret = ath10k_bmi_execute(ar, address, 0, &result);
282 ath10k_err(ar, "could not execute otp (%d)\n", ret);
286 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result);
288 if (!skip_otp && result != 0) {
289 ath10k_err(ar, "otp calibration failed: %d", result);
296 static int ath10k_download_fw(struct ath10k *ar, enum ath10k_firmware_mode mode)
298 u32 address, data_len;
299 const char *mode_name;
303 address = ar->hw_params.patch_load_addr;
306 case ATH10K_FIRMWARE_MODE_NORMAL:
307 data = ar->firmware_data;
308 data_len = ar->firmware_len;
309 mode_name = "normal";
311 case ATH10K_FIRMWARE_MODE_UTF:
312 data = ar->testmode.utf->data;
313 data_len = ar->testmode.utf->size;
317 ath10k_err(ar, "unknown firmware mode: %d\n", mode);
321 ath10k_dbg(ar, ATH10K_DBG_BOOT,
322 "boot uploading firmware image %p len %d mode %s\n",
323 data, data_len, mode_name);
325 ret = ath10k_bmi_fast_download(ar, address, data, data_len);
327 ath10k_err(ar, "failed to download %s firmware: %d\n",
335 static void ath10k_core_free_firmware_files(struct ath10k *ar)
337 if (ar->board && !IS_ERR(ar->board))
338 release_firmware(ar->board);
340 if (ar->otp && !IS_ERR(ar->otp))
341 release_firmware(ar->otp);
343 if (ar->firmware && !IS_ERR(ar->firmware))
344 release_firmware(ar->firmware);
346 if (ar->cal_file && !IS_ERR(ar->cal_file))
347 release_firmware(ar->cal_file);
350 ar->board_data = NULL;
358 ar->firmware_data = NULL;
359 ar->firmware_len = 0;
364 static int ath10k_fetch_cal_file(struct ath10k *ar)
368 /* cal-<bus>-<id>.bin */
369 scnprintf(filename, sizeof(filename), "cal-%s-%s.bin",
370 ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
372 ar->cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
373 if (IS_ERR(ar->cal_file))
374 /* calibration file is optional, don't print any warnings */
375 return PTR_ERR(ar->cal_file);
377 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found calibration file %s/%s\n",
378 ATH10K_FW_DIR, filename);
383 static int ath10k_core_fetch_firmware_api_1(struct ath10k *ar)
387 if (ar->hw_params.fw.fw == NULL) {
388 ath10k_err(ar, "firmware file not defined\n");
392 if (ar->hw_params.fw.board == NULL) {
393 ath10k_err(ar, "board data file not defined");
397 ar->board = ath10k_fetch_fw_file(ar,
398 ar->hw_params.fw.dir,
399 ar->hw_params.fw.board);
400 if (IS_ERR(ar->board)) {
401 ret = PTR_ERR(ar->board);
402 ath10k_err(ar, "could not fetch board data (%d)\n", ret);
406 ar->board_data = ar->board->data;
407 ar->board_len = ar->board->size;
409 ar->firmware = ath10k_fetch_fw_file(ar,
410 ar->hw_params.fw.dir,
411 ar->hw_params.fw.fw);
412 if (IS_ERR(ar->firmware)) {
413 ret = PTR_ERR(ar->firmware);
414 ath10k_err(ar, "could not fetch firmware (%d)\n", ret);
418 ar->firmware_data = ar->firmware->data;
419 ar->firmware_len = ar->firmware->size;
421 /* OTP may be undefined. If so, don't fetch it at all */
422 if (ar->hw_params.fw.otp == NULL)
425 ar->otp = ath10k_fetch_fw_file(ar,
426 ar->hw_params.fw.dir,
427 ar->hw_params.fw.otp);
428 if (IS_ERR(ar->otp)) {
429 ret = PTR_ERR(ar->otp);
430 ath10k_err(ar, "could not fetch otp (%d)\n", ret);
434 ar->otp_data = ar->otp->data;
435 ar->otp_len = ar->otp->size;
440 ath10k_core_free_firmware_files(ar);
444 static int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name)
446 size_t magic_len, len, ie_len;
447 int ie_id, i, index, bit, ret;
448 struct ath10k_fw_ie *hdr;
452 /* first fetch the firmware file (firmware-*.bin) */
453 ar->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, name);
454 if (IS_ERR(ar->firmware)) {
455 ath10k_err(ar, "could not fetch firmware file '%s/%s': %ld\n",
456 ar->hw_params.fw.dir, name, PTR_ERR(ar->firmware));
457 return PTR_ERR(ar->firmware);
460 data = ar->firmware->data;
461 len = ar->firmware->size;
463 /* magic also includes the null byte, check that as well */
464 magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1;
466 if (len < magic_len) {
467 ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n",
468 ar->hw_params.fw.dir, name, len);
473 if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) {
474 ath10k_err(ar, "invalid firmware magic\n");
479 /* jump over the padding */
480 magic_len = ALIGN(magic_len, 4);
486 while (len > sizeof(struct ath10k_fw_ie)) {
487 hdr = (struct ath10k_fw_ie *)data;
489 ie_id = le32_to_cpu(hdr->id);
490 ie_len = le32_to_cpu(hdr->len);
493 data += sizeof(*hdr);
496 ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n",
503 case ATH10K_FW_IE_FW_VERSION:
504 if (ie_len > sizeof(ar->hw->wiphy->fw_version) - 1)
507 memcpy(ar->hw->wiphy->fw_version, data, ie_len);
508 ar->hw->wiphy->fw_version[ie_len] = '\0';
510 ath10k_dbg(ar, ATH10K_DBG_BOOT,
511 "found fw version %s\n",
512 ar->hw->wiphy->fw_version);
514 case ATH10K_FW_IE_TIMESTAMP:
515 if (ie_len != sizeof(u32))
518 timestamp = (__le32 *)data;
520 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n",
521 le32_to_cpup(timestamp));
523 case ATH10K_FW_IE_FEATURES:
524 ath10k_dbg(ar, ATH10K_DBG_BOOT,
525 "found firmware features ie (%zd B)\n",
528 for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
535 if (data[index] & (1 << bit)) {
536 ath10k_dbg(ar, ATH10K_DBG_BOOT,
537 "Enabling feature bit: %i\n",
539 __set_bit(i, ar->fw_features);
543 ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "",
545 sizeof(ar->fw_features));
547 case ATH10K_FW_IE_FW_IMAGE:
548 ath10k_dbg(ar, ATH10K_DBG_BOOT,
549 "found fw image ie (%zd B)\n",
552 ar->firmware_data = data;
553 ar->firmware_len = ie_len;
556 case ATH10K_FW_IE_OTP_IMAGE:
557 ath10k_dbg(ar, ATH10K_DBG_BOOT,
558 "found otp image ie (%zd B)\n",
562 ar->otp_len = ie_len;
566 ath10k_warn(ar, "Unknown FW IE: %u\n",
567 le32_to_cpu(hdr->id));
571 /* jump over the padding */
572 ie_len = ALIGN(ie_len, 4);
578 if (!ar->firmware_data || !ar->firmware_len) {
579 ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n",
580 ar->hw_params.fw.dir, name);
585 if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, ar->fw_features) &&
586 !test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) {
587 ath10k_err(ar, "feature bits corrupted: 10.2 feature requires 10.x feature to be set as well");
592 /* now fetch the board file */
593 if (ar->hw_params.fw.board == NULL) {
594 ath10k_err(ar, "board data file not defined");
599 ar->board = ath10k_fetch_fw_file(ar,
600 ar->hw_params.fw.dir,
601 ar->hw_params.fw.board);
602 if (IS_ERR(ar->board)) {
603 ret = PTR_ERR(ar->board);
604 ath10k_err(ar, "could not fetch board data '%s/%s' (%d)\n",
605 ar->hw_params.fw.dir, ar->hw_params.fw.board,
610 ar->board_data = ar->board->data;
611 ar->board_len = ar->board->size;
616 ath10k_core_free_firmware_files(ar);
620 static int ath10k_core_fetch_firmware_files(struct ath10k *ar)
624 /* calibration file is optional, don't check for any errors */
625 ath10k_fetch_cal_file(ar);
628 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
630 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API3_FILE);
635 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
637 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API2_FILE);
642 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
644 ret = ath10k_core_fetch_firmware_api_1(ar);
649 ath10k_dbg(ar, ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api);
654 static int ath10k_download_cal_data(struct ath10k *ar)
658 ret = ath10k_download_cal_file(ar);
660 ar->cal_mode = ATH10K_CAL_MODE_FILE;
664 ath10k_dbg(ar, ATH10K_DBG_BOOT,
665 "boot did not find a calibration file, try OTP next: %d\n",
668 ret = ath10k_download_and_run_otp(ar);
670 ath10k_err(ar, "failed to run otp: %d\n", ret);
674 ar->cal_mode = ATH10K_CAL_MODE_OTP;
677 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
678 ath10k_cal_mode_str(ar->cal_mode));
682 static int ath10k_init_uart(struct ath10k *ar)
687 * Explicitly setting UART prints to zero as target turns it on
688 * based on scratch registers.
690 ret = ath10k_bmi_write32(ar, hi_serial_enable, 0);
692 ath10k_warn(ar, "could not disable UART prints (%d)\n", ret);
699 ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, 7);
701 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
705 ret = ath10k_bmi_write32(ar, hi_serial_enable, 1);
707 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
711 /* Set the UART baud rate to 19200. */
712 ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200);
714 ath10k_warn(ar, "could not set the baud rate (%d)\n", ret);
718 ath10k_info(ar, "UART prints enabled\n");
722 static int ath10k_init_hw_params(struct ath10k *ar)
724 const struct ath10k_hw_params *uninitialized_var(hw_params);
727 for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) {
728 hw_params = &ath10k_hw_params_list[i];
730 if (hw_params->id == ar->target_version)
734 if (i == ARRAY_SIZE(ath10k_hw_params_list)) {
735 ath10k_err(ar, "Unsupported hardware version: 0x%x\n",
740 ar->hw_params = *hw_params;
742 ath10k_dbg(ar, ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n",
743 ar->hw_params.name, ar->target_version);
748 static void ath10k_core_restart(struct work_struct *work)
750 struct ath10k *ar = container_of(work, struct ath10k, restart_work);
752 set_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
754 /* Place a barrier to make sure the compiler doesn't reorder
755 * CRASH_FLUSH and calling other functions.
759 ieee80211_stop_queues(ar->hw);
761 complete_all(&ar->scan.started);
762 complete_all(&ar->scan.completed);
763 complete_all(&ar->scan.on_channel);
764 complete_all(&ar->offchan_tx_completed);
765 complete_all(&ar->install_key_done);
766 complete_all(&ar->vdev_setup_done);
767 wake_up(&ar->htt.empty_tx_wq);
768 wake_up(&ar->wmi.tx_credits_wq);
769 wake_up(&ar->peer_mapping_wq);
771 mutex_lock(&ar->conf_mutex);
774 case ATH10K_STATE_ON:
775 ar->state = ATH10K_STATE_RESTARTING;
777 ath10k_scan_finish(ar);
778 ieee80211_restart_hw(ar->hw);
780 case ATH10K_STATE_OFF:
781 /* this can happen if driver is being unloaded
782 * or if the crash happens during FW probing */
783 ath10k_warn(ar, "cannot restart a device that hasn't been started\n");
785 case ATH10K_STATE_RESTARTING:
786 /* hw restart might be requested from multiple places */
788 case ATH10K_STATE_RESTARTED:
789 ar->state = ATH10K_STATE_WEDGED;
791 case ATH10K_STATE_WEDGED:
792 ath10k_warn(ar, "device is wedged, will not restart\n");
794 case ATH10K_STATE_UTF:
795 ath10k_warn(ar, "firmware restart in UTF mode not supported\n");
799 mutex_unlock(&ar->conf_mutex);
802 static void ath10k_core_init_max_sta_count(struct ath10k *ar)
804 if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) {
805 ar->max_num_peers = TARGET_10X_NUM_PEERS;
806 ar->max_num_stations = TARGET_10X_NUM_STATIONS;
808 ar->max_num_peers = TARGET_NUM_PEERS;
809 ar->max_num_stations = TARGET_NUM_STATIONS;
813 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode)
817 lockdep_assert_held(&ar->conf_mutex);
819 clear_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
821 ath10k_bmi_start(ar);
823 if (ath10k_init_configure_target(ar)) {
828 status = ath10k_download_cal_data(ar);
832 status = ath10k_download_fw(ar, mode);
836 status = ath10k_init_uart(ar);
840 ar->htc.htc_ops.target_send_suspend_complete =
841 ath10k_send_suspend_complete;
843 status = ath10k_htc_init(ar);
845 ath10k_err(ar, "could not init HTC (%d)\n", status);
849 status = ath10k_bmi_done(ar);
853 status = ath10k_wmi_attach(ar);
855 ath10k_err(ar, "WMI attach failed: %d\n", status);
859 status = ath10k_htt_init(ar);
861 ath10k_err(ar, "failed to init htt: %d\n", status);
865 status = ath10k_htt_tx_alloc(&ar->htt);
867 ath10k_err(ar, "failed to alloc htt tx: %d\n", status);
871 status = ath10k_htt_rx_alloc(&ar->htt);
873 ath10k_err(ar, "failed to alloc htt rx: %d\n", status);
874 goto err_htt_tx_detach;
877 status = ath10k_hif_start(ar);
879 ath10k_err(ar, "could not start HIF: %d\n", status);
880 goto err_htt_rx_detach;
883 status = ath10k_htc_wait_target(&ar->htc);
885 ath10k_err(ar, "failed to connect to HTC: %d\n", status);
889 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
890 status = ath10k_htt_connect(&ar->htt);
892 ath10k_err(ar, "failed to connect htt (%d)\n", status);
897 status = ath10k_wmi_connect(ar);
899 ath10k_err(ar, "could not connect wmi: %d\n", status);
903 status = ath10k_htc_start(&ar->htc);
905 ath10k_err(ar, "failed to start htc: %d\n", status);
909 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
910 status = ath10k_wmi_wait_for_service_ready(ar);
912 ath10k_warn(ar, "wmi service ready event not received");
918 ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n",
919 ar->hw->wiphy->fw_version);
921 status = ath10k_wmi_cmd_init(ar);
923 ath10k_err(ar, "could not send WMI init command (%d)\n",
928 status = ath10k_wmi_wait_for_unified_ready(ar);
930 ath10k_err(ar, "wmi unified ready event not received\n");
935 /* we don't care about HTT in UTF mode */
936 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
937 status = ath10k_htt_setup(&ar->htt);
939 ath10k_err(ar, "failed to setup htt: %d\n", status);
944 status = ath10k_debug_start(ar);
948 if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features))
949 ar->free_vdev_map = (1LL << TARGET_10X_NUM_VDEVS) - 1;
951 ar->free_vdev_map = (1LL << TARGET_NUM_VDEVS) - 1;
953 INIT_LIST_HEAD(&ar->arvifs);
960 ath10k_htt_rx_free(&ar->htt);
962 ath10k_htt_tx_free(&ar->htt);
964 ath10k_wmi_detach(ar);
968 EXPORT_SYMBOL(ath10k_core_start);
970 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt)
974 reinit_completion(&ar->target_suspend);
976 ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt);
978 ath10k_warn(ar, "could not suspend target (%d)\n", ret);
982 ret = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ);
985 ath10k_warn(ar, "suspend timed out - target pause event never came\n");
992 void ath10k_core_stop(struct ath10k *ar)
994 lockdep_assert_held(&ar->conf_mutex);
996 /* try to suspend target */
997 if (ar->state != ATH10K_STATE_RESTARTING &&
998 ar->state != ATH10K_STATE_UTF)
999 ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR);
1001 ath10k_debug_stop(ar);
1002 ath10k_hif_stop(ar);
1003 ath10k_htt_tx_free(&ar->htt);
1004 ath10k_htt_rx_free(&ar->htt);
1005 ath10k_wmi_detach(ar);
1007 EXPORT_SYMBOL(ath10k_core_stop);
1009 /* mac80211 manages fw/hw initialization through start/stop hooks. However in
1010 * order to know what hw capabilities should be advertised to mac80211 it is
1011 * necessary to load the firmware (and tear it down immediately since start
1012 * hook will try to init it again) before registering */
1013 static int ath10k_core_probe_fw(struct ath10k *ar)
1015 struct bmi_target_info target_info;
1018 ret = ath10k_hif_power_up(ar);
1020 ath10k_err(ar, "could not start pci hif (%d)\n", ret);
1024 memset(&target_info, 0, sizeof(target_info));
1025 ret = ath10k_bmi_get_target_info(ar, &target_info);
1027 ath10k_err(ar, "could not get target info (%d)\n", ret);
1028 ath10k_hif_power_down(ar);
1032 ar->target_version = target_info.version;
1033 ar->hw->wiphy->hw_version = target_info.version;
1035 ret = ath10k_init_hw_params(ar);
1037 ath10k_err(ar, "could not get hw params (%d)\n", ret);
1038 ath10k_hif_power_down(ar);
1042 ret = ath10k_core_fetch_firmware_files(ar);
1044 ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
1045 ath10k_hif_power_down(ar);
1049 ath10k_core_init_max_sta_count(ar);
1051 mutex_lock(&ar->conf_mutex);
1053 ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
1055 ath10k_err(ar, "could not init core (%d)\n", ret);
1056 ath10k_core_free_firmware_files(ar);
1057 ath10k_hif_power_down(ar);
1058 mutex_unlock(&ar->conf_mutex);
1062 ath10k_print_driver_info(ar);
1063 ath10k_core_stop(ar);
1065 mutex_unlock(&ar->conf_mutex);
1067 ath10k_hif_power_down(ar);
1071 static int ath10k_core_check_chip_id(struct ath10k *ar)
1073 u32 hw_revision = MS(ar->chip_id, SOC_CHIP_ID_REV);
1075 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot chip_id 0x%08x hw_revision 0x%x\n",
1076 ar->chip_id, hw_revision);
1078 /* Check that we are not using hw1.0 (some of them have same pci id
1079 * as hw2.0) before doing anything else as ath10k crashes horribly
1080 * due to missing hw1.0 workarounds. */
1081 switch (hw_revision) {
1082 case QCA988X_HW_1_0_CHIP_ID_REV:
1083 ath10k_err(ar, "ERROR: qca988x hw1.0 is not supported\n");
1086 case QCA988X_HW_2_0_CHIP_ID_REV:
1087 /* known hardware revision, continue normally */
1091 ath10k_warn(ar, "Warning: hardware revision unknown (0x%x), expect problems\n",
1099 static void ath10k_core_register_work(struct work_struct *work)
1101 struct ath10k *ar = container_of(work, struct ath10k, register_work);
1104 status = ath10k_core_probe_fw(ar);
1106 ath10k_err(ar, "could not probe fw (%d)\n", status);
1110 status = ath10k_mac_register(ar);
1112 ath10k_err(ar, "could not register to mac80211 (%d)\n", status);
1113 goto err_release_fw;
1116 status = ath10k_debug_register(ar);
1118 ath10k_err(ar, "unable to initialize debugfs\n");
1119 goto err_unregister_mac;
1122 status = ath10k_spectral_create(ar);
1124 ath10k_err(ar, "failed to initialize spectral\n");
1125 goto err_debug_destroy;
1128 set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags);
1132 ath10k_debug_destroy(ar);
1134 ath10k_mac_unregister(ar);
1136 ath10k_core_free_firmware_files(ar);
1138 /* TODO: It's probably a good idea to release device from the driver
1139 * but calling device_release_driver() here will cause a deadlock.
1144 int ath10k_core_register(struct ath10k *ar, u32 chip_id)
1148 ar->chip_id = chip_id;
1150 status = ath10k_core_check_chip_id(ar);
1152 ath10k_err(ar, "Unsupported chip id 0x%08x\n", ar->chip_id);
1156 queue_work(ar->workqueue, &ar->register_work);
1160 EXPORT_SYMBOL(ath10k_core_register);
1162 void ath10k_core_unregister(struct ath10k *ar)
1164 cancel_work_sync(&ar->register_work);
1166 if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags))
1169 /* Stop spectral before unregistering from mac80211 to remove the
1170 * relayfs debugfs file cleanly. Otherwise the parent debugfs tree
1171 * would be already be free'd recursively, leading to a double free.
1173 ath10k_spectral_destroy(ar);
1175 /* We must unregister from mac80211 before we stop HTC and HIF.
1176 * Otherwise we will fail to submit commands to FW and mac80211 will be
1177 * unhappy about callback failures. */
1178 ath10k_mac_unregister(ar);
1180 ath10k_testmode_destroy(ar);
1182 ath10k_core_free_firmware_files(ar);
1184 ath10k_debug_unregister(ar);
1186 EXPORT_SYMBOL(ath10k_core_unregister);
1188 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
1189 enum ath10k_bus bus,
1190 const struct ath10k_hif_ops *hif_ops)
1195 ar = ath10k_mac_create(priv_size);
1199 ar->ath_common.priv = ar;
1200 ar->ath_common.hw = ar->hw;
1202 ar->p2p = !!ath10k_p2p;
1205 ar->hif.ops = hif_ops;
1208 init_completion(&ar->scan.started);
1209 init_completion(&ar->scan.completed);
1210 init_completion(&ar->scan.on_channel);
1211 init_completion(&ar->target_suspend);
1213 init_completion(&ar->install_key_done);
1214 init_completion(&ar->vdev_setup_done);
1216 INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work);
1218 ar->workqueue = create_singlethread_workqueue("ath10k_wq");
1222 mutex_init(&ar->conf_mutex);
1223 spin_lock_init(&ar->data_lock);
1225 INIT_LIST_HEAD(&ar->peers);
1226 init_waitqueue_head(&ar->peer_mapping_wq);
1227 init_waitqueue_head(&ar->htt.empty_tx_wq);
1228 init_waitqueue_head(&ar->wmi.tx_credits_wq);
1230 init_completion(&ar->offchan_tx_completed);
1231 INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work);
1232 skb_queue_head_init(&ar->offchan_tx_queue);
1234 INIT_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work);
1235 skb_queue_head_init(&ar->wmi_mgmt_tx_queue);
1237 INIT_WORK(&ar->register_work, ath10k_core_register_work);
1238 INIT_WORK(&ar->restart_work, ath10k_core_restart);
1240 ret = ath10k_debug_create(ar);
1247 destroy_workqueue(ar->workqueue);
1250 ath10k_mac_destroy(ar);
1254 EXPORT_SYMBOL(ath10k_core_create);
1256 void ath10k_core_destroy(struct ath10k *ar)
1258 flush_workqueue(ar->workqueue);
1259 destroy_workqueue(ar->workqueue);
1261 ath10k_debug_destroy(ar);
1262 ath10k_mac_destroy(ar);
1264 EXPORT_SYMBOL(ath10k_core_destroy);
1266 MODULE_AUTHOR("Qualcomm Atheros");
1267 MODULE_DESCRIPTION("Core module for QCA988X PCIe devices.");
1268 MODULE_LICENSE("Dual BSD/GPL");