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;
34 module_param_named(debug_mask, ath10k_debug_mask, uint, 0644);
35 module_param(uart_print, bool, 0644);
36 module_param_named(p2p, ath10k_p2p, uint, 0644);
37 MODULE_PARM_DESC(debug_mask, "Debugging mask");
38 MODULE_PARM_DESC(uart_print, "Uart target debugging");
39 MODULE_PARM_DESC(p2p, "Enable ath10k P2P support");
41 static const struct ath10k_hw_params ath10k_hw_params_list[] = {
43 .id = QCA988X_HW_2_0_VERSION,
44 .name = "qca988x hw2.0",
45 .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
47 .dir = QCA988X_HW_2_0_FW_DIR,
48 .fw = QCA988X_HW_2_0_FW_FILE,
49 .otp = QCA988X_HW_2_0_OTP_FILE,
50 .board = QCA988X_HW_2_0_BOARD_DATA_FILE,
55 static void ath10k_send_suspend_complete(struct ath10k *ar)
57 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot suspend complete\n");
59 complete(&ar->target_suspend);
62 static int ath10k_init_configure_target(struct ath10k *ar)
67 /* tell target which HTC version it is used*/
68 ret = ath10k_bmi_write32(ar, hi_app_host_interest,
69 HTC_PROTOCOL_VERSION);
71 ath10k_err(ar, "settings HTC version failed\n");
75 /* set the firmware mode to STA/IBSS/AP */
76 ret = ath10k_bmi_read32(ar, hi_option_flag, ¶m_host);
78 ath10k_err(ar, "setting firmware mode (1/2) failed\n");
82 /* TODO following parameters need to be re-visited. */
84 param_host |= (1 << HI_OPTION_NUM_DEV_SHIFT);
86 /* FIXME: Why FW_MODE_AP ??.*/
87 param_host |= (HI_OPTION_FW_MODE_AP << HI_OPTION_FW_MODE_SHIFT);
89 param_host |= (1 << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
91 param_host |= (0 << HI_OPTION_FW_BRIDGE_SHIFT);
93 param_host |= (0 << HI_OPTION_FW_SUBMODE_SHIFT);
95 ret = ath10k_bmi_write32(ar, hi_option_flag, param_host);
97 ath10k_err(ar, "setting firmware mode (2/2) failed\n");
101 /* We do all byte-swapping on the host */
102 ret = ath10k_bmi_write32(ar, hi_be, 0);
104 ath10k_err(ar, "setting host CPU BE mode failed\n");
108 /* FW descriptor/Data swap flags */
109 ret = ath10k_bmi_write32(ar, hi_fw_swap, 0);
112 ath10k_err(ar, "setting FW data/desc swap flags failed\n");
119 static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar,
124 const struct firmware *fw;
128 return ERR_PTR(-ENOENT);
133 snprintf(filename, sizeof(filename), "%s/%s", dir, file);
134 ret = request_firmware(&fw, filename, ar->dev);
141 static int ath10k_push_board_ext_data(struct ath10k *ar)
143 u32 board_data_size = QCA988X_BOARD_DATA_SZ;
144 u32 board_ext_data_size = QCA988X_BOARD_EXT_DATA_SZ;
145 u32 board_ext_data_addr;
148 ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr);
150 ath10k_err(ar, "could not read board ext data addr (%d)\n",
155 ath10k_dbg(ar, ATH10K_DBG_BOOT,
156 "boot push board extended data addr 0x%x\n",
157 board_ext_data_addr);
159 if (board_ext_data_addr == 0)
162 if (ar->board_len != (board_data_size + board_ext_data_size)) {
163 ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n",
164 ar->board_len, board_data_size, board_ext_data_size);
168 ret = ath10k_bmi_write_memory(ar, board_ext_data_addr,
169 ar->board_data + board_data_size,
170 board_ext_data_size);
172 ath10k_err(ar, "could not write board ext data (%d)\n", ret);
176 ret = ath10k_bmi_write32(ar, hi_board_ext_data_config,
177 (board_ext_data_size << 16) | 1);
179 ath10k_err(ar, "could not write board ext data bit (%d)\n",
187 static int ath10k_download_board_data(struct ath10k *ar)
189 u32 board_data_size = QCA988X_BOARD_DATA_SZ;
193 ret = ath10k_push_board_ext_data(ar);
195 ath10k_err(ar, "could not push board ext data (%d)\n", ret);
199 ret = ath10k_bmi_read32(ar, hi_board_data, &address);
201 ath10k_err(ar, "could not read board data addr (%d)\n", ret);
205 ret = ath10k_bmi_write_memory(ar, address, ar->board_data,
206 min_t(u32, board_data_size,
209 ath10k_err(ar, "could not write board data (%d)\n", ret);
213 ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1);
215 ath10k_err(ar, "could not write board data bit (%d)\n", ret);
223 static int ath10k_download_and_run_otp(struct ath10k *ar)
225 u32 result, address = ar->hw_params.patch_load_addr;
228 /* OTP is optional */
230 if (!ar->otp_data || !ar->otp_len) {
231 ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %p otp_len %zd)!\n",
232 ar->otp_data, ar->otp_len);
236 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n",
237 address, ar->otp_len);
239 ret = ath10k_bmi_fast_download(ar, address, ar->otp_data, ar->otp_len);
241 ath10k_err(ar, "could not write otp (%d)\n", ret);
245 ret = ath10k_bmi_execute(ar, address, 0, &result);
247 ath10k_err(ar, "could not execute otp (%d)\n", ret);
251 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result);
254 ath10k_err(ar, "otp calibration failed: %d", result);
261 static int ath10k_download_fw(struct ath10k *ar, enum ath10k_firmware_mode mode)
263 u32 address, data_len;
264 const char *mode_name;
268 address = ar->hw_params.patch_load_addr;
271 case ATH10K_FIRMWARE_MODE_NORMAL:
272 data = ar->firmware_data;
273 data_len = ar->firmware_len;
274 mode_name = "normal";
276 case ATH10K_FIRMWARE_MODE_UTF:
277 data = ar->testmode.utf->data;
278 data_len = ar->testmode.utf->size;
282 ath10k_err(ar, "unknown firmware mode: %d\n", mode);
286 ath10k_dbg(ar, ATH10K_DBG_BOOT,
287 "boot uploading firmware image %p len %d mode %s\n",
288 data, data_len, mode_name);
290 ret = ath10k_bmi_fast_download(ar, address, data, data_len);
292 ath10k_err(ar, "failed to download %s firmware: %d\n",
300 static void ath10k_core_free_firmware_files(struct ath10k *ar)
302 if (ar->board && !IS_ERR(ar->board))
303 release_firmware(ar->board);
305 if (ar->otp && !IS_ERR(ar->otp))
306 release_firmware(ar->otp);
308 if (ar->firmware && !IS_ERR(ar->firmware))
309 release_firmware(ar->firmware);
312 ar->board_data = NULL;
320 ar->firmware_data = NULL;
321 ar->firmware_len = 0;
324 static int ath10k_core_fetch_firmware_api_1(struct ath10k *ar)
328 if (ar->hw_params.fw.fw == NULL) {
329 ath10k_err(ar, "firmware file not defined\n");
333 if (ar->hw_params.fw.board == NULL) {
334 ath10k_err(ar, "board data file not defined");
338 ar->board = ath10k_fetch_fw_file(ar,
339 ar->hw_params.fw.dir,
340 ar->hw_params.fw.board);
341 if (IS_ERR(ar->board)) {
342 ret = PTR_ERR(ar->board);
343 ath10k_err(ar, "could not fetch board data (%d)\n", ret);
347 ar->board_data = ar->board->data;
348 ar->board_len = ar->board->size;
350 ar->firmware = ath10k_fetch_fw_file(ar,
351 ar->hw_params.fw.dir,
352 ar->hw_params.fw.fw);
353 if (IS_ERR(ar->firmware)) {
354 ret = PTR_ERR(ar->firmware);
355 ath10k_err(ar, "could not fetch firmware (%d)\n", ret);
359 ar->firmware_data = ar->firmware->data;
360 ar->firmware_len = ar->firmware->size;
362 /* OTP may be undefined. If so, don't fetch it at all */
363 if (ar->hw_params.fw.otp == NULL)
366 ar->otp = ath10k_fetch_fw_file(ar,
367 ar->hw_params.fw.dir,
368 ar->hw_params.fw.otp);
369 if (IS_ERR(ar->otp)) {
370 ret = PTR_ERR(ar->otp);
371 ath10k_err(ar, "could not fetch otp (%d)\n", ret);
375 ar->otp_data = ar->otp->data;
376 ar->otp_len = ar->otp->size;
381 ath10k_core_free_firmware_files(ar);
385 static int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name)
387 size_t magic_len, len, ie_len;
388 int ie_id, i, index, bit, ret;
389 struct ath10k_fw_ie *hdr;
393 /* first fetch the firmware file (firmware-*.bin) */
394 ar->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, name);
395 if (IS_ERR(ar->firmware)) {
396 ath10k_err(ar, "could not fetch firmware file '%s/%s': %ld\n",
397 ar->hw_params.fw.dir, name, PTR_ERR(ar->firmware));
398 return PTR_ERR(ar->firmware);
401 data = ar->firmware->data;
402 len = ar->firmware->size;
404 /* magic also includes the null byte, check that as well */
405 magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1;
407 if (len < magic_len) {
408 ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n",
409 ar->hw_params.fw.dir, name, len);
414 if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) {
415 ath10k_err(ar, "invalid firmware magic\n");
420 /* jump over the padding */
421 magic_len = ALIGN(magic_len, 4);
427 while (len > sizeof(struct ath10k_fw_ie)) {
428 hdr = (struct ath10k_fw_ie *)data;
430 ie_id = le32_to_cpu(hdr->id);
431 ie_len = le32_to_cpu(hdr->len);
434 data += sizeof(*hdr);
437 ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n",
444 case ATH10K_FW_IE_FW_VERSION:
445 if (ie_len > sizeof(ar->hw->wiphy->fw_version) - 1)
448 memcpy(ar->hw->wiphy->fw_version, data, ie_len);
449 ar->hw->wiphy->fw_version[ie_len] = '\0';
451 ath10k_dbg(ar, ATH10K_DBG_BOOT,
452 "found fw version %s\n",
453 ar->hw->wiphy->fw_version);
455 case ATH10K_FW_IE_TIMESTAMP:
456 if (ie_len != sizeof(u32))
459 timestamp = (__le32 *)data;
461 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n",
462 le32_to_cpup(timestamp));
464 case ATH10K_FW_IE_FEATURES:
465 ath10k_dbg(ar, ATH10K_DBG_BOOT,
466 "found firmware features ie (%zd B)\n",
469 for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
476 if (data[index] & (1 << bit)) {
477 ath10k_dbg(ar, ATH10K_DBG_BOOT,
478 "Enabling feature bit: %i\n",
480 __set_bit(i, ar->fw_features);
484 ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "",
486 sizeof(ar->fw_features));
488 case ATH10K_FW_IE_FW_IMAGE:
489 ath10k_dbg(ar, ATH10K_DBG_BOOT,
490 "found fw image ie (%zd B)\n",
493 ar->firmware_data = data;
494 ar->firmware_len = ie_len;
497 case ATH10K_FW_IE_OTP_IMAGE:
498 ath10k_dbg(ar, ATH10K_DBG_BOOT,
499 "found otp image ie (%zd B)\n",
503 ar->otp_len = ie_len;
507 ath10k_warn(ar, "Unknown FW IE: %u\n",
508 le32_to_cpu(hdr->id));
512 /* jump over the padding */
513 ie_len = ALIGN(ie_len, 4);
519 if (!ar->firmware_data || !ar->firmware_len) {
520 ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n",
521 ar->hw_params.fw.dir, name);
526 if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, ar->fw_features) &&
527 !test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) {
528 ath10k_err(ar, "feature bits corrupted: 10.2 feature requires 10.x feature to be set as well");
533 /* now fetch the board file */
534 if (ar->hw_params.fw.board == NULL) {
535 ath10k_err(ar, "board data file not defined");
540 ar->board = ath10k_fetch_fw_file(ar,
541 ar->hw_params.fw.dir,
542 ar->hw_params.fw.board);
543 if (IS_ERR(ar->board)) {
544 ret = PTR_ERR(ar->board);
545 ath10k_err(ar, "could not fetch board data '%s/%s' (%d)\n",
546 ar->hw_params.fw.dir, ar->hw_params.fw.board,
551 ar->board_data = ar->board->data;
552 ar->board_len = ar->board->size;
557 ath10k_core_free_firmware_files(ar);
561 static int ath10k_core_fetch_firmware_files(struct ath10k *ar)
566 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
568 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API3_FILE);
573 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
575 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API2_FILE);
580 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
582 ret = ath10k_core_fetch_firmware_api_1(ar);
587 ath10k_dbg(ar, ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api);
592 static int ath10k_init_download_firmware(struct ath10k *ar,
593 enum ath10k_firmware_mode mode)
597 ret = ath10k_download_board_data(ar);
599 ath10k_err(ar, "failed to download board data: %d\n", ret);
603 ret = ath10k_download_and_run_otp(ar);
605 ath10k_err(ar, "failed to run otp: %d\n", ret);
609 ret = ath10k_download_fw(ar, mode);
611 ath10k_err(ar, "failed to download firmware: %d\n", ret);
618 static int ath10k_init_uart(struct ath10k *ar)
623 * Explicitly setting UART prints to zero as target turns it on
624 * based on scratch registers.
626 ret = ath10k_bmi_write32(ar, hi_serial_enable, 0);
628 ath10k_warn(ar, "could not disable UART prints (%d)\n", ret);
635 ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, 7);
637 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
641 ret = ath10k_bmi_write32(ar, hi_serial_enable, 1);
643 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
647 /* Set the UART baud rate to 19200. */
648 ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200);
650 ath10k_warn(ar, "could not set the baud rate (%d)\n", ret);
654 ath10k_info(ar, "UART prints enabled\n");
658 static int ath10k_init_hw_params(struct ath10k *ar)
660 const struct ath10k_hw_params *uninitialized_var(hw_params);
663 for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) {
664 hw_params = &ath10k_hw_params_list[i];
666 if (hw_params->id == ar->target_version)
670 if (i == ARRAY_SIZE(ath10k_hw_params_list)) {
671 ath10k_err(ar, "Unsupported hardware version: 0x%x\n",
676 ar->hw_params = *hw_params;
678 ath10k_dbg(ar, ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n",
679 ar->hw_params.name, ar->target_version);
684 static void ath10k_core_restart(struct work_struct *work)
686 struct ath10k *ar = container_of(work, struct ath10k, restart_work);
688 mutex_lock(&ar->conf_mutex);
691 case ATH10K_STATE_ON:
692 ar->state = ATH10K_STATE_RESTARTING;
694 ath10k_scan_finish(ar);
695 ieee80211_restart_hw(ar->hw);
697 case ATH10K_STATE_OFF:
698 /* this can happen if driver is being unloaded
699 * or if the crash happens during FW probing */
700 ath10k_warn(ar, "cannot restart a device that hasn't been started\n");
702 case ATH10K_STATE_RESTARTING:
703 /* hw restart might be requested from multiple places */
705 case ATH10K_STATE_RESTARTED:
706 ar->state = ATH10K_STATE_WEDGED;
708 case ATH10K_STATE_WEDGED:
709 ath10k_warn(ar, "device is wedged, will not restart\n");
711 case ATH10K_STATE_UTF:
712 ath10k_warn(ar, "firmware restart in UTF mode not supported\n");
716 mutex_unlock(&ar->conf_mutex);
719 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode)
723 lockdep_assert_held(&ar->conf_mutex);
725 ath10k_bmi_start(ar);
727 if (ath10k_init_configure_target(ar)) {
732 status = ath10k_init_download_firmware(ar, mode);
736 status = ath10k_init_uart(ar);
740 ar->htc.htc_ops.target_send_suspend_complete =
741 ath10k_send_suspend_complete;
743 status = ath10k_htc_init(ar);
745 ath10k_err(ar, "could not init HTC (%d)\n", status);
749 status = ath10k_bmi_done(ar);
753 status = ath10k_wmi_attach(ar);
755 ath10k_err(ar, "WMI attach failed: %d\n", status);
759 status = ath10k_htt_init(ar);
761 ath10k_err(ar, "failed to init htt: %d\n", status);
765 status = ath10k_htt_tx_alloc(&ar->htt);
767 ath10k_err(ar, "failed to alloc htt tx: %d\n", status);
771 status = ath10k_htt_rx_alloc(&ar->htt);
773 ath10k_err(ar, "failed to alloc htt rx: %d\n", status);
774 goto err_htt_tx_detach;
777 status = ath10k_hif_start(ar);
779 ath10k_err(ar, "could not start HIF: %d\n", status);
780 goto err_htt_rx_detach;
783 status = ath10k_htc_wait_target(&ar->htc);
785 ath10k_err(ar, "failed to connect to HTC: %d\n", status);
789 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
790 status = ath10k_htt_connect(&ar->htt);
792 ath10k_err(ar, "failed to connect htt (%d)\n", status);
797 status = ath10k_wmi_connect(ar);
799 ath10k_err(ar, "could not connect wmi: %d\n", status);
803 status = ath10k_htc_start(&ar->htc);
805 ath10k_err(ar, "failed to start htc: %d\n", status);
809 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
810 status = ath10k_wmi_wait_for_service_ready(ar);
812 ath10k_warn(ar, "wmi service ready event not received");
818 ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n",
819 ar->hw->wiphy->fw_version);
821 status = ath10k_wmi_cmd_init(ar);
823 ath10k_err(ar, "could not send WMI init command (%d)\n",
828 status = ath10k_wmi_wait_for_unified_ready(ar);
830 ath10k_err(ar, "wmi unified ready event not received\n");
835 /* we don't care about HTT in UTF mode */
836 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
837 status = ath10k_htt_setup(&ar->htt);
839 ath10k_err(ar, "failed to setup htt: %d\n", status);
844 status = ath10k_debug_start(ar);
848 if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features))
849 ar->free_vdev_map = (1 << TARGET_10X_NUM_VDEVS) - 1;
851 ar->free_vdev_map = (1 << TARGET_NUM_VDEVS) - 1;
853 INIT_LIST_HEAD(&ar->arvifs);
860 ath10k_htt_rx_free(&ar->htt);
862 ath10k_htt_tx_free(&ar->htt);
864 ath10k_wmi_detach(ar);
868 EXPORT_SYMBOL(ath10k_core_start);
870 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt)
874 reinit_completion(&ar->target_suspend);
876 ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt);
878 ath10k_warn(ar, "could not suspend target (%d)\n", ret);
882 ret = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ);
885 ath10k_warn(ar, "suspend timed out - target pause event never came\n");
892 void ath10k_core_stop(struct ath10k *ar)
894 lockdep_assert_held(&ar->conf_mutex);
896 /* try to suspend target */
897 if (ar->state != ATH10K_STATE_RESTARTING &&
898 ar->state != ATH10K_STATE_UTF)
899 ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR);
901 ath10k_debug_stop(ar);
903 ath10k_htt_tx_free(&ar->htt);
904 ath10k_htt_rx_free(&ar->htt);
905 ath10k_wmi_detach(ar);
907 EXPORT_SYMBOL(ath10k_core_stop);
909 /* mac80211 manages fw/hw initialization through start/stop hooks. However in
910 * order to know what hw capabilities should be advertised to mac80211 it is
911 * necessary to load the firmware (and tear it down immediately since start
912 * hook will try to init it again) before registering */
913 static int ath10k_core_probe_fw(struct ath10k *ar)
915 struct bmi_target_info target_info;
918 ret = ath10k_hif_power_up(ar);
920 ath10k_err(ar, "could not start pci hif (%d)\n", ret);
924 memset(&target_info, 0, sizeof(target_info));
925 ret = ath10k_bmi_get_target_info(ar, &target_info);
927 ath10k_err(ar, "could not get target info (%d)\n", ret);
928 ath10k_hif_power_down(ar);
932 ar->target_version = target_info.version;
933 ar->hw->wiphy->hw_version = target_info.version;
935 ret = ath10k_init_hw_params(ar);
937 ath10k_err(ar, "could not get hw params (%d)\n", ret);
938 ath10k_hif_power_down(ar);
942 ret = ath10k_core_fetch_firmware_files(ar);
944 ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
945 ath10k_hif_power_down(ar);
949 mutex_lock(&ar->conf_mutex);
951 ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
953 ath10k_err(ar, "could not init core (%d)\n", ret);
954 ath10k_core_free_firmware_files(ar);
955 ath10k_hif_power_down(ar);
956 mutex_unlock(&ar->conf_mutex);
960 ath10k_print_driver_info(ar);
961 ath10k_core_stop(ar);
963 mutex_unlock(&ar->conf_mutex);
965 ath10k_hif_power_down(ar);
969 static int ath10k_core_check_chip_id(struct ath10k *ar)
971 u32 hw_revision = MS(ar->chip_id, SOC_CHIP_ID_REV);
973 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot chip_id 0x%08x hw_revision 0x%x\n",
974 ar->chip_id, hw_revision);
976 /* Check that we are not using hw1.0 (some of them have same pci id
977 * as hw2.0) before doing anything else as ath10k crashes horribly
978 * due to missing hw1.0 workarounds. */
979 switch (hw_revision) {
980 case QCA988X_HW_1_0_CHIP_ID_REV:
981 ath10k_err(ar, "ERROR: qca988x hw1.0 is not supported\n");
984 case QCA988X_HW_2_0_CHIP_ID_REV:
985 /* known hardware revision, continue normally */
989 ath10k_warn(ar, "Warning: hardware revision unknown (0x%x), expect problems\n",
997 static void ath10k_core_register_work(struct work_struct *work)
999 struct ath10k *ar = container_of(work, struct ath10k, register_work);
1002 status = ath10k_core_probe_fw(ar);
1004 ath10k_err(ar, "could not probe fw (%d)\n", status);
1008 status = ath10k_mac_register(ar);
1010 ath10k_err(ar, "could not register to mac80211 (%d)\n", status);
1011 goto err_release_fw;
1014 status = ath10k_debug_register(ar);
1016 ath10k_err(ar, "unable to initialize debugfs\n");
1017 goto err_unregister_mac;
1020 status = ath10k_spectral_create(ar);
1022 ath10k_err(ar, "failed to initialize spectral\n");
1023 goto err_debug_destroy;
1026 set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags);
1030 ath10k_debug_destroy(ar);
1032 ath10k_mac_unregister(ar);
1034 ath10k_core_free_firmware_files(ar);
1036 /* TODO: It's probably a good idea to release device from the driver
1037 * but calling device_release_driver() here will cause a deadlock.
1042 int ath10k_core_register(struct ath10k *ar, u32 chip_id)
1046 ar->chip_id = chip_id;
1048 status = ath10k_core_check_chip_id(ar);
1050 ath10k_err(ar, "Unsupported chip id 0x%08x\n", ar->chip_id);
1054 queue_work(ar->workqueue, &ar->register_work);
1058 EXPORT_SYMBOL(ath10k_core_register);
1060 void ath10k_core_unregister(struct ath10k *ar)
1062 cancel_work_sync(&ar->register_work);
1064 if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags))
1067 /* Stop spectral before unregistering from mac80211 to remove the
1068 * relayfs debugfs file cleanly. Otherwise the parent debugfs tree
1069 * would be already be free'd recursively, leading to a double free.
1071 ath10k_spectral_destroy(ar);
1073 /* We must unregister from mac80211 before we stop HTC and HIF.
1074 * Otherwise we will fail to submit commands to FW and mac80211 will be
1075 * unhappy about callback failures. */
1076 ath10k_mac_unregister(ar);
1078 ath10k_testmode_destroy(ar);
1080 ath10k_core_free_firmware_files(ar);
1082 ath10k_debug_unregister(ar);
1084 EXPORT_SYMBOL(ath10k_core_unregister);
1086 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
1087 const struct ath10k_hif_ops *hif_ops)
1092 ar = ath10k_mac_create(priv_size);
1096 ar->ath_common.priv = ar;
1097 ar->ath_common.hw = ar->hw;
1099 ar->p2p = !!ath10k_p2p;
1102 ar->hif.ops = hif_ops;
1104 init_completion(&ar->scan.started);
1105 init_completion(&ar->scan.completed);
1106 init_completion(&ar->scan.on_channel);
1107 init_completion(&ar->target_suspend);
1109 init_completion(&ar->install_key_done);
1110 init_completion(&ar->vdev_setup_done);
1112 INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work);
1114 ar->workqueue = create_singlethread_workqueue("ath10k_wq");
1118 mutex_init(&ar->conf_mutex);
1119 spin_lock_init(&ar->data_lock);
1121 INIT_LIST_HEAD(&ar->peers);
1122 init_waitqueue_head(&ar->peer_mapping_wq);
1124 init_completion(&ar->offchan_tx_completed);
1125 INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work);
1126 skb_queue_head_init(&ar->offchan_tx_queue);
1128 INIT_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work);
1129 skb_queue_head_init(&ar->wmi_mgmt_tx_queue);
1131 INIT_WORK(&ar->register_work, ath10k_core_register_work);
1132 INIT_WORK(&ar->restart_work, ath10k_core_restart);
1134 ret = ath10k_debug_create(ar);
1141 destroy_workqueue(ar->workqueue);
1144 ath10k_mac_destroy(ar);
1148 EXPORT_SYMBOL(ath10k_core_create);
1150 void ath10k_core_destroy(struct ath10k *ar)
1152 flush_workqueue(ar->workqueue);
1153 destroy_workqueue(ar->workqueue);
1155 ath10k_debug_destroy(ar);
1156 ath10k_mac_destroy(ar);
1158 EXPORT_SYMBOL(ath10k_core_destroy);
1160 MODULE_AUTHOR("Qualcomm Atheros");
1161 MODULE_DESCRIPTION("Core module for QCA988X PCIe devices.");
1162 MODULE_LICENSE("Dual BSD/GPL");