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>
33 unsigned int ath10k_debug_mask;
34 static unsigned int ath10k_cryptmode_param;
35 static bool uart_print;
39 module_param_named(debug_mask, ath10k_debug_mask, uint, 0644);
40 module_param_named(cryptmode, ath10k_cryptmode_param, uint, 0644);
41 module_param(uart_print, bool, 0644);
42 module_param(skip_otp, bool, 0644);
43 module_param(rawmode, bool, 0644);
45 MODULE_PARM_DESC(debug_mask, "Debugging mask");
46 MODULE_PARM_DESC(uart_print, "Uart target debugging");
47 MODULE_PARM_DESC(skip_otp, "Skip otp failure for calibration in testmode");
48 MODULE_PARM_DESC(cryptmode, "Crypto mode: 0-hardware, 1-software");
49 MODULE_PARM_DESC(rawmode, "Use raw 802.11 frame datapath");
51 static const struct ath10k_hw_params ath10k_hw_params_list[] = {
53 .id = QCA988X_HW_2_0_VERSION,
54 .name = "qca988x hw2.0",
55 .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
57 .has_shifted_cc_wraparound = true,
59 .channel_counters_freq_hz = 88000,
60 .max_probe_resp_desc_thres = 0,
62 .dir = QCA988X_HW_2_0_FW_DIR,
63 .fw = QCA988X_HW_2_0_FW_FILE,
64 .otp = QCA988X_HW_2_0_OTP_FILE,
65 .board = QCA988X_HW_2_0_BOARD_DATA_FILE,
66 .board_size = QCA988X_BOARD_DATA_SZ,
67 .board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
71 .id = QCA6174_HW_2_1_VERSION,
72 .name = "qca6174 hw2.1",
73 .patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
76 .channel_counters_freq_hz = 88000,
77 .max_probe_resp_desc_thres = 0,
79 .dir = QCA6174_HW_2_1_FW_DIR,
80 .fw = QCA6174_HW_2_1_FW_FILE,
81 .otp = QCA6174_HW_2_1_OTP_FILE,
82 .board = QCA6174_HW_2_1_BOARD_DATA_FILE,
83 .board_size = QCA6174_BOARD_DATA_SZ,
84 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
88 .id = QCA6174_HW_3_0_VERSION,
89 .name = "qca6174 hw3.0",
90 .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
93 .channel_counters_freq_hz = 88000,
94 .max_probe_resp_desc_thres = 0,
96 .dir = QCA6174_HW_3_0_FW_DIR,
97 .fw = QCA6174_HW_3_0_FW_FILE,
98 .otp = QCA6174_HW_3_0_OTP_FILE,
99 .board = QCA6174_HW_3_0_BOARD_DATA_FILE,
100 .board_size = QCA6174_BOARD_DATA_SZ,
101 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
105 .id = QCA6174_HW_3_2_VERSION,
106 .name = "qca6174 hw3.2",
107 .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
110 .channel_counters_freq_hz = 88000,
111 .max_probe_resp_desc_thres = 0,
113 /* uses same binaries as hw3.0 */
114 .dir = QCA6174_HW_3_0_FW_DIR,
115 .fw = QCA6174_HW_3_0_FW_FILE,
116 .otp = QCA6174_HW_3_0_OTP_FILE,
117 .board = QCA6174_HW_3_0_BOARD_DATA_FILE,
118 .board_size = QCA6174_BOARD_DATA_SZ,
119 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
123 .id = QCA99X0_HW_2_0_DEV_VERSION,
124 .name = "qca99x0 hw2.0",
125 .patch_load_addr = QCA99X0_HW_2_0_PATCH_LOAD_ADDR,
127 .otp_exe_param = 0x00000700,
128 .continuous_frag_desc = true,
129 .channel_counters_freq_hz = 150000,
130 .max_probe_resp_desc_thres = 24,
132 .dir = QCA99X0_HW_2_0_FW_DIR,
133 .fw = QCA99X0_HW_2_0_FW_FILE,
134 .otp = QCA99X0_HW_2_0_OTP_FILE,
135 .board = QCA99X0_HW_2_0_BOARD_DATA_FILE,
136 .board_size = QCA99X0_BOARD_DATA_SZ,
137 .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
142 static const char *const ath10k_core_fw_feature_str[] = {
143 [ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX] = "wmi-mgmt-rx",
144 [ATH10K_FW_FEATURE_WMI_10X] = "wmi-10.x",
145 [ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX] = "has-wmi-mgmt-tx",
146 [ATH10K_FW_FEATURE_NO_P2P] = "no-p2p",
147 [ATH10K_FW_FEATURE_WMI_10_2] = "wmi-10.2",
148 [ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT] = "multi-vif-ps",
149 [ATH10K_FW_FEATURE_WOWLAN_SUPPORT] = "wowlan",
150 [ATH10K_FW_FEATURE_IGNORE_OTP_RESULT] = "ignore-otp",
151 [ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING] = "no-4addr-pad",
152 [ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT] = "skip-clock-init",
153 [ATH10K_FW_FEATURE_RAW_MODE_SUPPORT] = "raw-mode",
156 static unsigned int ath10k_core_get_fw_feature_str(char *buf,
158 enum ath10k_fw_features feat)
160 /* make sure that ath10k_core_fw_feature_str[] gets updated */
161 BUILD_BUG_ON(ARRAY_SIZE(ath10k_core_fw_feature_str) !=
162 ATH10K_FW_FEATURE_COUNT);
164 if (feat >= ARRAY_SIZE(ath10k_core_fw_feature_str) ||
165 WARN_ON(!ath10k_core_fw_feature_str[feat])) {
166 return scnprintf(buf, buf_len, "bit%d", feat);
169 return scnprintf(buf, buf_len, "%s", ath10k_core_fw_feature_str[feat]);
172 void ath10k_core_get_fw_features_str(struct ath10k *ar,
176 unsigned int len = 0;
179 for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
180 if (test_bit(i, ar->fw_features)) {
182 len += scnprintf(buf + len, buf_len - len, ",");
184 len += ath10k_core_get_fw_feature_str(buf + len,
191 static void ath10k_send_suspend_complete(struct ath10k *ar)
193 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot suspend complete\n");
195 complete(&ar->target_suspend);
198 static int ath10k_init_configure_target(struct ath10k *ar)
203 /* tell target which HTC version it is used*/
204 ret = ath10k_bmi_write32(ar, hi_app_host_interest,
205 HTC_PROTOCOL_VERSION);
207 ath10k_err(ar, "settings HTC version failed\n");
211 /* set the firmware mode to STA/IBSS/AP */
212 ret = ath10k_bmi_read32(ar, hi_option_flag, ¶m_host);
214 ath10k_err(ar, "setting firmware mode (1/2) failed\n");
218 /* TODO following parameters need to be re-visited. */
220 param_host |= (1 << HI_OPTION_NUM_DEV_SHIFT);
222 /* FIXME: Why FW_MODE_AP ??.*/
223 param_host |= (HI_OPTION_FW_MODE_AP << HI_OPTION_FW_MODE_SHIFT);
224 /* mac_addr_method */
225 param_host |= (1 << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
226 /* firmware_bridge */
227 param_host |= (0 << HI_OPTION_FW_BRIDGE_SHIFT);
229 param_host |= (0 << HI_OPTION_FW_SUBMODE_SHIFT);
231 ret = ath10k_bmi_write32(ar, hi_option_flag, param_host);
233 ath10k_err(ar, "setting firmware mode (2/2) failed\n");
237 /* We do all byte-swapping on the host */
238 ret = ath10k_bmi_write32(ar, hi_be, 0);
240 ath10k_err(ar, "setting host CPU BE mode failed\n");
244 /* FW descriptor/Data swap flags */
245 ret = ath10k_bmi_write32(ar, hi_fw_swap, 0);
248 ath10k_err(ar, "setting FW data/desc swap flags failed\n");
252 /* Some devices have a special sanity check that verifies the PCI
253 * Device ID is written to this host interest var. It is known to be
254 * required to boot QCA6164.
256 ret = ath10k_bmi_write32(ar, hi_hci_uart_pwr_mgmt_params_ext,
259 ath10k_err(ar, "failed to set pwr_mgmt_params: %d\n", ret);
266 static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar,
271 const struct firmware *fw;
275 return ERR_PTR(-ENOENT);
280 snprintf(filename, sizeof(filename), "%s/%s", dir, file);
281 ret = request_firmware(&fw, filename, ar->dev);
288 static int ath10k_push_board_ext_data(struct ath10k *ar, const void *data,
291 u32 board_data_size = ar->hw_params.fw.board_size;
292 u32 board_ext_data_size = ar->hw_params.fw.board_ext_size;
293 u32 board_ext_data_addr;
296 ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr);
298 ath10k_err(ar, "could not read board ext data addr (%d)\n",
303 ath10k_dbg(ar, ATH10K_DBG_BOOT,
304 "boot push board extended data addr 0x%x\n",
305 board_ext_data_addr);
307 if (board_ext_data_addr == 0)
310 if (data_len != (board_data_size + board_ext_data_size)) {
311 ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n",
312 data_len, board_data_size, board_ext_data_size);
316 ret = ath10k_bmi_write_memory(ar, board_ext_data_addr,
317 data + board_data_size,
318 board_ext_data_size);
320 ath10k_err(ar, "could not write board ext data (%d)\n", ret);
324 ret = ath10k_bmi_write32(ar, hi_board_ext_data_config,
325 (board_ext_data_size << 16) | 1);
327 ath10k_err(ar, "could not write board ext data bit (%d)\n",
335 static int ath10k_download_board_data(struct ath10k *ar, const void *data,
338 u32 board_data_size = ar->hw_params.fw.board_size;
342 ret = ath10k_push_board_ext_data(ar, data, data_len);
344 ath10k_err(ar, "could not push board ext data (%d)\n", ret);
348 ret = ath10k_bmi_read32(ar, hi_board_data, &address);
350 ath10k_err(ar, "could not read board data addr (%d)\n", ret);
354 ret = ath10k_bmi_write_memory(ar, address, data,
355 min_t(u32, board_data_size,
358 ath10k_err(ar, "could not write board data (%d)\n", ret);
362 ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1);
364 ath10k_err(ar, "could not write board data bit (%d)\n", ret);
372 static int ath10k_download_cal_file(struct ath10k *ar)
379 if (IS_ERR(ar->cal_file))
380 return PTR_ERR(ar->cal_file);
382 ret = ath10k_download_board_data(ar, ar->cal_file->data,
385 ath10k_err(ar, "failed to download cal_file data: %d\n", ret);
389 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot cal file downloaded\n");
394 static int ath10k_download_cal_dt(struct ath10k *ar)
396 struct device_node *node;
401 node = ar->dev->of_node;
403 /* Device Tree is optional, don't print any warnings if
404 * there's no node for ath10k.
408 if (!of_get_property(node, "qcom,ath10k-calibration-data",
410 /* The calibration data node is optional */
414 if (data_len != QCA988X_CAL_DATA_LEN) {
415 ath10k_warn(ar, "invalid calibration data length in DT: %d\n",
421 data = kmalloc(data_len, GFP_KERNEL);
427 ret = of_property_read_u8_array(node, "qcom,ath10k-calibration-data",
430 ath10k_warn(ar, "failed to read calibration data from DT: %d\n",
435 ret = ath10k_download_board_data(ar, data, data_len);
437 ath10k_warn(ar, "failed to download calibration data from Device Tree: %d\n",
451 static int ath10k_core_get_board_id_from_otp(struct ath10k *ar)
454 u8 board_id, chip_id;
457 address = ar->hw_params.patch_load_addr;
459 if (!ar->otp_data || !ar->otp_len) {
461 "failed to retrieve board id because of invalid otp\n");
465 ath10k_dbg(ar, ATH10K_DBG_BOOT,
466 "boot upload otp to 0x%x len %zd for board id\n",
467 address, ar->otp_len);
469 ret = ath10k_bmi_fast_download(ar, address, ar->otp_data, ar->otp_len);
471 ath10k_err(ar, "could not write otp for board id check: %d\n",
476 ret = ath10k_bmi_execute(ar, address, BMI_PARAM_GET_EEPROM_BOARD_ID,
479 ath10k_err(ar, "could not execute otp for board id check: %d\n",
484 board_id = MS(result, ATH10K_BMI_BOARD_ID_FROM_OTP);
485 chip_id = MS(result, ATH10K_BMI_CHIP_ID_FROM_OTP);
487 ath10k_dbg(ar, ATH10K_DBG_BOOT,
488 "boot get otp board id result 0x%08x board_id %d chip_id %d\n",
489 result, board_id, chip_id);
491 if ((result & ATH10K_BMI_BOARD_ID_STATUS_MASK) != 0)
494 ar->id.bmi_ids_valid = true;
495 ar->id.bmi_board_id = board_id;
496 ar->id.bmi_chip_id = chip_id;
501 static int ath10k_download_and_run_otp(struct ath10k *ar)
503 u32 result, address = ar->hw_params.patch_load_addr;
504 u32 bmi_otp_exe_param = ar->hw_params.otp_exe_param;
507 ret = ath10k_download_board_data(ar, ar->board_data, ar->board_len);
509 ath10k_err(ar, "failed to download board data: %d\n", ret);
513 /* OTP is optional */
515 if (!ar->otp_data || !ar->otp_len) {
516 ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %p otp_len %zd)!\n",
517 ar->otp_data, ar->otp_len);
521 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n",
522 address, ar->otp_len);
524 ret = ath10k_bmi_fast_download(ar, address, ar->otp_data, ar->otp_len);
526 ath10k_err(ar, "could not write otp (%d)\n", ret);
530 ret = ath10k_bmi_execute(ar, address, bmi_otp_exe_param, &result);
532 ath10k_err(ar, "could not execute otp (%d)\n", ret);
536 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result);
538 if (!(skip_otp || test_bit(ATH10K_FW_FEATURE_IGNORE_OTP_RESULT,
541 ath10k_err(ar, "otp calibration failed: %d", result);
548 static int ath10k_download_fw(struct ath10k *ar, enum ath10k_firmware_mode mode)
550 u32 address, data_len;
551 const char *mode_name;
555 address = ar->hw_params.patch_load_addr;
558 case ATH10K_FIRMWARE_MODE_NORMAL:
559 data = ar->firmware_data;
560 data_len = ar->firmware_len;
561 mode_name = "normal";
562 ret = ath10k_swap_code_seg_configure(ar,
563 ATH10K_SWAP_CODE_SEG_BIN_TYPE_FW);
565 ath10k_err(ar, "failed to configure fw code swap: %d\n",
570 case ATH10K_FIRMWARE_MODE_UTF:
571 data = ar->testmode.utf->data;
572 data_len = ar->testmode.utf->size;
576 ath10k_err(ar, "unknown firmware mode: %d\n", mode);
580 ath10k_dbg(ar, ATH10K_DBG_BOOT,
581 "boot uploading firmware image %p len %d mode %s\n",
582 data, data_len, mode_name);
584 ret = ath10k_bmi_fast_download(ar, address, data, data_len);
586 ath10k_err(ar, "failed to download %s firmware: %d\n",
594 static void ath10k_core_free_board_files(struct ath10k *ar)
596 if (!IS_ERR(ar->board))
597 release_firmware(ar->board);
600 ar->board_data = NULL;
604 static void ath10k_core_free_firmware_files(struct ath10k *ar)
606 if (!IS_ERR(ar->otp))
607 release_firmware(ar->otp);
609 if (!IS_ERR(ar->firmware))
610 release_firmware(ar->firmware);
612 if (!IS_ERR(ar->cal_file))
613 release_firmware(ar->cal_file);
615 ath10k_swap_code_seg_release(ar);
622 ar->firmware_data = NULL;
623 ar->firmware_len = 0;
628 static int ath10k_fetch_cal_file(struct ath10k *ar)
632 /* cal-<bus>-<id>.bin */
633 scnprintf(filename, sizeof(filename), "cal-%s-%s.bin",
634 ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
636 ar->cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
637 if (IS_ERR(ar->cal_file))
638 /* calibration file is optional, don't print any warnings */
639 return PTR_ERR(ar->cal_file);
641 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found calibration file %s/%s\n",
642 ATH10K_FW_DIR, filename);
647 static int ath10k_core_fetch_board_data_api_1(struct ath10k *ar)
649 if (!ar->hw_params.fw.board) {
650 ath10k_err(ar, "failed to find board file fw entry\n");
654 ar->board = ath10k_fetch_fw_file(ar,
655 ar->hw_params.fw.dir,
656 ar->hw_params.fw.board);
657 if (IS_ERR(ar->board))
658 return PTR_ERR(ar->board);
660 ar->board_data = ar->board->data;
661 ar->board_len = ar->board->size;
666 static int ath10k_core_parse_bd_ie_board(struct ath10k *ar,
667 const void *buf, size_t buf_len,
668 const char *boardname)
670 const struct ath10k_fw_ie *hdr;
671 bool name_match_found;
672 int ret, board_ie_id;
674 const void *board_ie_data;
676 name_match_found = false;
678 /* go through ATH10K_BD_IE_BOARD_ elements */
679 while (buf_len > sizeof(struct ath10k_fw_ie)) {
681 board_ie_id = le32_to_cpu(hdr->id);
682 board_ie_len = le32_to_cpu(hdr->len);
683 board_ie_data = hdr->data;
685 buf_len -= sizeof(*hdr);
688 if (buf_len < ALIGN(board_ie_len, 4)) {
689 ath10k_err(ar, "invalid ATH10K_BD_IE_BOARD length: %zu < %zu\n",
690 buf_len, ALIGN(board_ie_len, 4));
695 switch (board_ie_id) {
696 case ATH10K_BD_IE_BOARD_NAME:
697 ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "board name", "",
698 board_ie_data, board_ie_len);
700 if (board_ie_len != strlen(boardname))
703 ret = memcmp(board_ie_data, boardname, strlen(boardname));
707 name_match_found = true;
708 ath10k_dbg(ar, ATH10K_DBG_BOOT,
709 "boot found match for name '%s'",
712 case ATH10K_BD_IE_BOARD_DATA:
713 if (!name_match_found)
717 ath10k_dbg(ar, ATH10K_DBG_BOOT,
718 "boot found board data for '%s'",
721 ar->board_data = board_ie_data;
722 ar->board_len = board_ie_len;
727 ath10k_warn(ar, "unknown ATH10K_BD_IE_BOARD found: %d\n",
732 /* jump over the padding */
733 board_ie_len = ALIGN(board_ie_len, 4);
735 buf_len -= board_ie_len;
746 static int ath10k_core_fetch_board_data_api_n(struct ath10k *ar,
747 const char *boardname,
748 const char *filename)
750 size_t len, magic_len, ie_len;
751 struct ath10k_fw_ie *hdr;
755 ar->board = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, filename);
756 if (IS_ERR(ar->board))
757 return PTR_ERR(ar->board);
759 data = ar->board->data;
760 len = ar->board->size;
762 /* magic has extra null byte padded */
763 magic_len = strlen(ATH10K_BOARD_MAGIC) + 1;
764 if (len < magic_len) {
765 ath10k_err(ar, "failed to find magic value in %s/%s, file too short: %zu\n",
766 ar->hw_params.fw.dir, filename, len);
771 if (memcmp(data, ATH10K_BOARD_MAGIC, magic_len)) {
772 ath10k_err(ar, "found invalid board magic\n");
777 /* magic is padded to 4 bytes */
778 magic_len = ALIGN(magic_len, 4);
779 if (len < magic_len) {
780 ath10k_err(ar, "failed: %s/%s too small to contain board data, len: %zu\n",
781 ar->hw_params.fw.dir, filename, len);
789 while (len > sizeof(struct ath10k_fw_ie)) {
790 hdr = (struct ath10k_fw_ie *)data;
791 ie_id = le32_to_cpu(hdr->id);
792 ie_len = le32_to_cpu(hdr->len);
797 if (len < ALIGN(ie_len, 4)) {
798 ath10k_err(ar, "invalid length for board ie_id %d ie_len %zu len %zu\n",
805 case ATH10K_BD_IE_BOARD:
806 ret = ath10k_core_parse_bd_ie_board(ar, data, ie_len,
809 /* no match found, continue */
812 /* there was an error, bail out */
815 /* board data found */
819 /* jump over the padding */
820 ie_len = ALIGN(ie_len, 4);
827 if (!ar->board_data || !ar->board_len) {
829 "failed to fetch board data for %s from %s/%s\n",
830 ar->hw_params.fw.dir, boardname, filename);
838 ath10k_core_free_board_files(ar);
842 static int ath10k_core_create_board_name(struct ath10k *ar, char *name,
845 if (ar->id.bmi_ids_valid) {
846 scnprintf(name, name_len,
847 "bus=%s,bmi-chip-id=%d,bmi-board-id=%d",
848 ath10k_bus_str(ar->hif.bus),
850 ar->id.bmi_board_id);
854 scnprintf(name, name_len,
855 "bus=%s,vendor=%04x,device=%04x,subsystem-vendor=%04x,subsystem-device=%04x",
856 ath10k_bus_str(ar->hif.bus),
857 ar->id.vendor, ar->id.device,
858 ar->id.subsystem_vendor, ar->id.subsystem_device);
861 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using board name '%s'\n", name);
866 static int ath10k_core_fetch_board_file(struct ath10k *ar)
871 ret = ath10k_core_create_board_name(ar, boardname, sizeof(boardname));
873 ath10k_err(ar, "failed to create board name: %d", ret);
878 ret = ath10k_core_fetch_board_data_api_n(ar, boardname,
879 ATH10K_BOARD_API2_FILE);
884 ret = ath10k_core_fetch_board_data_api_1(ar);
886 ath10k_err(ar, "failed to fetch board data\n");
891 ath10k_dbg(ar, ATH10K_DBG_BOOT, "using board api %d\n", ar->bd_api);
895 static int ath10k_core_fetch_firmware_api_1(struct ath10k *ar)
899 if (ar->hw_params.fw.fw == NULL) {
900 ath10k_err(ar, "firmware file not defined\n");
904 ar->firmware = ath10k_fetch_fw_file(ar,
905 ar->hw_params.fw.dir,
906 ar->hw_params.fw.fw);
907 if (IS_ERR(ar->firmware)) {
908 ret = PTR_ERR(ar->firmware);
909 ath10k_err(ar, "could not fetch firmware (%d)\n", ret);
913 ar->firmware_data = ar->firmware->data;
914 ar->firmware_len = ar->firmware->size;
916 /* OTP may be undefined. If so, don't fetch it at all */
917 if (ar->hw_params.fw.otp == NULL)
920 ar->otp = ath10k_fetch_fw_file(ar,
921 ar->hw_params.fw.dir,
922 ar->hw_params.fw.otp);
923 if (IS_ERR(ar->otp)) {
924 ret = PTR_ERR(ar->otp);
925 ath10k_err(ar, "could not fetch otp (%d)\n", ret);
929 ar->otp_data = ar->otp->data;
930 ar->otp_len = ar->otp->size;
935 ath10k_core_free_firmware_files(ar);
939 static int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name)
941 size_t magic_len, len, ie_len;
942 int ie_id, i, index, bit, ret;
943 struct ath10k_fw_ie *hdr;
945 __le32 *timestamp, *version;
947 /* first fetch the firmware file (firmware-*.bin) */
948 ar->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, name);
949 if (IS_ERR(ar->firmware)) {
950 ath10k_err(ar, "could not fetch firmware file '%s/%s': %ld\n",
951 ar->hw_params.fw.dir, name, PTR_ERR(ar->firmware));
952 return PTR_ERR(ar->firmware);
955 data = ar->firmware->data;
956 len = ar->firmware->size;
958 /* magic also includes the null byte, check that as well */
959 magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1;
961 if (len < magic_len) {
962 ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n",
963 ar->hw_params.fw.dir, name, len);
968 if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) {
969 ath10k_err(ar, "invalid firmware magic\n");
974 /* jump over the padding */
975 magic_len = ALIGN(magic_len, 4);
981 while (len > sizeof(struct ath10k_fw_ie)) {
982 hdr = (struct ath10k_fw_ie *)data;
984 ie_id = le32_to_cpu(hdr->id);
985 ie_len = le32_to_cpu(hdr->len);
988 data += sizeof(*hdr);
991 ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n",
998 case ATH10K_FW_IE_FW_VERSION:
999 if (ie_len > sizeof(ar->hw->wiphy->fw_version) - 1)
1002 memcpy(ar->hw->wiphy->fw_version, data, ie_len);
1003 ar->hw->wiphy->fw_version[ie_len] = '\0';
1005 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1006 "found fw version %s\n",
1007 ar->hw->wiphy->fw_version);
1009 case ATH10K_FW_IE_TIMESTAMP:
1010 if (ie_len != sizeof(u32))
1013 timestamp = (__le32 *)data;
1015 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n",
1016 le32_to_cpup(timestamp));
1018 case ATH10K_FW_IE_FEATURES:
1019 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1020 "found firmware features ie (%zd B)\n",
1023 for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
1027 if (index == ie_len)
1030 if (data[index] & (1 << bit)) {
1031 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1032 "Enabling feature bit: %i\n",
1034 __set_bit(i, ar->fw_features);
1038 ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "",
1040 sizeof(ar->fw_features));
1042 case ATH10K_FW_IE_FW_IMAGE:
1043 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1044 "found fw image ie (%zd B)\n",
1047 ar->firmware_data = data;
1048 ar->firmware_len = ie_len;
1051 case ATH10K_FW_IE_OTP_IMAGE:
1052 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1053 "found otp image ie (%zd B)\n",
1056 ar->otp_data = data;
1057 ar->otp_len = ie_len;
1060 case ATH10K_FW_IE_WMI_OP_VERSION:
1061 if (ie_len != sizeof(u32))
1064 version = (__le32 *)data;
1066 ar->wmi.op_version = le32_to_cpup(version);
1068 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie wmi op version %d\n",
1069 ar->wmi.op_version);
1071 case ATH10K_FW_IE_HTT_OP_VERSION:
1072 if (ie_len != sizeof(u32))
1075 version = (__le32 *)data;
1077 ar->htt.op_version = le32_to_cpup(version);
1079 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie htt op version %d\n",
1080 ar->htt.op_version);
1082 case ATH10K_FW_IE_FW_CODE_SWAP_IMAGE:
1083 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1084 "found fw code swap image ie (%zd B)\n",
1086 ar->swap.firmware_codeswap_data = data;
1087 ar->swap.firmware_codeswap_len = ie_len;
1090 ath10k_warn(ar, "Unknown FW IE: %u\n",
1091 le32_to_cpu(hdr->id));
1095 /* jump over the padding */
1096 ie_len = ALIGN(ie_len, 4);
1102 if (!ar->firmware_data || !ar->firmware_len) {
1103 ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n",
1104 ar->hw_params.fw.dir, name);
1112 ath10k_core_free_firmware_files(ar);
1116 static int ath10k_core_fetch_firmware_files(struct ath10k *ar)
1120 /* calibration file is optional, don't check for any errors */
1121 ath10k_fetch_cal_file(ar);
1124 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1126 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API5_FILE);
1131 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1133 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API4_FILE);
1138 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1140 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API3_FILE);
1145 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1147 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API2_FILE);
1152 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1154 ret = ath10k_core_fetch_firmware_api_1(ar);
1159 ath10k_dbg(ar, ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api);
1164 static int ath10k_download_cal_data(struct ath10k *ar)
1168 ret = ath10k_download_cal_file(ar);
1170 ar->cal_mode = ATH10K_CAL_MODE_FILE;
1174 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1175 "boot did not find a calibration file, try DT next: %d\n",
1178 ret = ath10k_download_cal_dt(ar);
1180 ar->cal_mode = ATH10K_CAL_MODE_DT;
1184 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1185 "boot did not find DT entry, try OTP next: %d\n",
1188 ret = ath10k_download_and_run_otp(ar);
1190 ath10k_err(ar, "failed to run otp: %d\n", ret);
1194 ar->cal_mode = ATH10K_CAL_MODE_OTP;
1197 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
1198 ath10k_cal_mode_str(ar->cal_mode));
1202 static int ath10k_init_uart(struct ath10k *ar)
1207 * Explicitly setting UART prints to zero as target turns it on
1208 * based on scratch registers.
1210 ret = ath10k_bmi_write32(ar, hi_serial_enable, 0);
1212 ath10k_warn(ar, "could not disable UART prints (%d)\n", ret);
1219 ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, ar->hw_params.uart_pin);
1221 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
1225 ret = ath10k_bmi_write32(ar, hi_serial_enable, 1);
1227 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
1231 /* Set the UART baud rate to 19200. */
1232 ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200);
1234 ath10k_warn(ar, "could not set the baud rate (%d)\n", ret);
1238 ath10k_info(ar, "UART prints enabled\n");
1242 static int ath10k_init_hw_params(struct ath10k *ar)
1244 const struct ath10k_hw_params *uninitialized_var(hw_params);
1247 for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) {
1248 hw_params = &ath10k_hw_params_list[i];
1250 if (hw_params->id == ar->target_version)
1254 if (i == ARRAY_SIZE(ath10k_hw_params_list)) {
1255 ath10k_err(ar, "Unsupported hardware version: 0x%x\n",
1256 ar->target_version);
1260 ar->hw_params = *hw_params;
1262 ath10k_dbg(ar, ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n",
1263 ar->hw_params.name, ar->target_version);
1268 static void ath10k_core_restart(struct work_struct *work)
1270 struct ath10k *ar = container_of(work, struct ath10k, restart_work);
1272 set_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
1274 /* Place a barrier to make sure the compiler doesn't reorder
1275 * CRASH_FLUSH and calling other functions.
1279 ieee80211_stop_queues(ar->hw);
1280 ath10k_drain_tx(ar);
1281 complete_all(&ar->scan.started);
1282 complete_all(&ar->scan.completed);
1283 complete_all(&ar->scan.on_channel);
1284 complete_all(&ar->offchan_tx_completed);
1285 complete_all(&ar->install_key_done);
1286 complete_all(&ar->vdev_setup_done);
1287 complete_all(&ar->thermal.wmi_sync);
1288 wake_up(&ar->htt.empty_tx_wq);
1289 wake_up(&ar->wmi.tx_credits_wq);
1290 wake_up(&ar->peer_mapping_wq);
1292 mutex_lock(&ar->conf_mutex);
1294 switch (ar->state) {
1295 case ATH10K_STATE_ON:
1296 ar->state = ATH10K_STATE_RESTARTING;
1297 ath10k_hif_stop(ar);
1298 ath10k_scan_finish(ar);
1299 ieee80211_restart_hw(ar->hw);
1301 case ATH10K_STATE_OFF:
1302 /* this can happen if driver is being unloaded
1303 * or if the crash happens during FW probing */
1304 ath10k_warn(ar, "cannot restart a device that hasn't been started\n");
1306 case ATH10K_STATE_RESTARTING:
1307 /* hw restart might be requested from multiple places */
1309 case ATH10K_STATE_RESTARTED:
1310 ar->state = ATH10K_STATE_WEDGED;
1312 case ATH10K_STATE_WEDGED:
1313 ath10k_warn(ar, "device is wedged, will not restart\n");
1315 case ATH10K_STATE_UTF:
1316 ath10k_warn(ar, "firmware restart in UTF mode not supported\n");
1320 mutex_unlock(&ar->conf_mutex);
1323 static int ath10k_core_init_firmware_features(struct ath10k *ar)
1325 if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, ar->fw_features) &&
1326 !test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) {
1327 ath10k_err(ar, "feature bits corrupted: 10.2 feature requires 10.x feature to be set as well");
1331 if (ar->wmi.op_version >= ATH10K_FW_WMI_OP_VERSION_MAX) {
1332 ath10k_err(ar, "unsupported WMI OP version (max %d): %d\n",
1333 ATH10K_FW_WMI_OP_VERSION_MAX, ar->wmi.op_version);
1337 ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_NATIVE_WIFI;
1338 switch (ath10k_cryptmode_param) {
1339 case ATH10K_CRYPT_MODE_HW:
1340 clear_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
1341 clear_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
1343 case ATH10K_CRYPT_MODE_SW:
1344 if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
1346 ath10k_err(ar, "cryptmode > 0 requires raw mode support from firmware");
1350 set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
1351 set_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
1354 ath10k_info(ar, "invalid cryptmode: %d\n",
1355 ath10k_cryptmode_param);
1359 ar->htt.max_num_amsdu = ATH10K_HTT_MAX_NUM_AMSDU_DEFAULT;
1360 ar->htt.max_num_ampdu = ATH10K_HTT_MAX_NUM_AMPDU_DEFAULT;
1363 if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
1365 ath10k_err(ar, "rawmode = 1 requires support from firmware");
1368 set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
1371 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
1372 ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_RAW;
1376 * Firmware A-MSDU aggregation breaks with RAW Tx encap mode
1377 * and causes enormous performance issues (malformed frames,
1380 * Disabling A-MSDU makes RAW mode stable with heavy traffic
1381 * albeit a bit slower compared to regular operation.
1383 ar->htt.max_num_amsdu = 1;
1386 /* Backwards compatibility for firmwares without
1387 * ATH10K_FW_IE_WMI_OP_VERSION.
1389 if (ar->wmi.op_version == ATH10K_FW_WMI_OP_VERSION_UNSET) {
1390 if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) {
1391 if (test_bit(ATH10K_FW_FEATURE_WMI_10_2,
1393 ar->wmi.op_version = ATH10K_FW_WMI_OP_VERSION_10_2;
1395 ar->wmi.op_version = ATH10K_FW_WMI_OP_VERSION_10_1;
1397 ar->wmi.op_version = ATH10K_FW_WMI_OP_VERSION_MAIN;
1401 switch (ar->wmi.op_version) {
1402 case ATH10K_FW_WMI_OP_VERSION_MAIN:
1403 ar->max_num_peers = TARGET_NUM_PEERS;
1404 ar->max_num_stations = TARGET_NUM_STATIONS;
1405 ar->max_num_vdevs = TARGET_NUM_VDEVS;
1406 ar->htt.max_num_pending_tx = TARGET_NUM_MSDU_DESC;
1407 ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
1409 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
1411 case ATH10K_FW_WMI_OP_VERSION_10_1:
1412 case ATH10K_FW_WMI_OP_VERSION_10_2:
1413 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
1414 ar->max_num_peers = TARGET_10X_NUM_PEERS;
1415 ar->max_num_stations = TARGET_10X_NUM_STATIONS;
1416 ar->max_num_vdevs = TARGET_10X_NUM_VDEVS;
1417 ar->htt.max_num_pending_tx = TARGET_10X_NUM_MSDU_DESC;
1418 ar->fw_stats_req_mask = WMI_STAT_PEER;
1419 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
1421 case ATH10K_FW_WMI_OP_VERSION_TLV:
1422 ar->max_num_peers = TARGET_TLV_NUM_PEERS;
1423 ar->max_num_stations = TARGET_TLV_NUM_STATIONS;
1424 ar->max_num_vdevs = TARGET_TLV_NUM_VDEVS;
1425 ar->max_num_tdls_vdevs = TARGET_TLV_NUM_TDLS_VDEVS;
1426 ar->htt.max_num_pending_tx = TARGET_TLV_NUM_MSDU_DESC;
1427 ar->wow.max_num_patterns = TARGET_TLV_NUM_WOW_PATTERNS;
1428 ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
1430 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
1432 case ATH10K_FW_WMI_OP_VERSION_10_4:
1433 ar->max_num_peers = TARGET_10_4_NUM_PEERS;
1434 ar->max_num_stations = TARGET_10_4_NUM_STATIONS;
1435 ar->num_active_peers = TARGET_10_4_ACTIVE_PEERS;
1436 ar->max_num_vdevs = TARGET_10_4_NUM_VDEVS;
1437 ar->num_tids = TARGET_10_4_TGT_NUM_TIDS;
1438 ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC;
1439 ar->fw_stats_req_mask = WMI_STAT_PEER;
1440 ar->max_spatial_stream = WMI_10_4_MAX_SPATIAL_STREAM;
1442 case ATH10K_FW_WMI_OP_VERSION_UNSET:
1443 case ATH10K_FW_WMI_OP_VERSION_MAX:
1448 /* Backwards compatibility for firmwares without
1449 * ATH10K_FW_IE_HTT_OP_VERSION.
1451 if (ar->htt.op_version == ATH10K_FW_HTT_OP_VERSION_UNSET) {
1452 switch (ar->wmi.op_version) {
1453 case ATH10K_FW_WMI_OP_VERSION_MAIN:
1454 ar->htt.op_version = ATH10K_FW_HTT_OP_VERSION_MAIN;
1456 case ATH10K_FW_WMI_OP_VERSION_10_1:
1457 case ATH10K_FW_WMI_OP_VERSION_10_2:
1458 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
1459 ar->htt.op_version = ATH10K_FW_HTT_OP_VERSION_10_1;
1461 case ATH10K_FW_WMI_OP_VERSION_TLV:
1462 ar->htt.op_version = ATH10K_FW_HTT_OP_VERSION_TLV;
1464 case ATH10K_FW_WMI_OP_VERSION_10_4:
1465 case ATH10K_FW_WMI_OP_VERSION_UNSET:
1466 case ATH10K_FW_WMI_OP_VERSION_MAX:
1475 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode)
1479 lockdep_assert_held(&ar->conf_mutex);
1481 clear_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
1483 ath10k_bmi_start(ar);
1485 if (ath10k_init_configure_target(ar)) {
1490 status = ath10k_download_cal_data(ar);
1494 /* Some of of qca988x solutions are having global reset issue
1495 * during target initialization. Bypassing PLL setting before
1496 * downloading firmware and letting the SoC run on REF_CLK is
1497 * fixing the problem. Corresponding firmware change is also needed
1498 * to set the clock source once the target is initialized.
1500 if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT,
1502 status = ath10k_bmi_write32(ar, hi_skip_clock_init, 1);
1504 ath10k_err(ar, "could not write to skip_clock_init: %d\n",
1510 status = ath10k_download_fw(ar, mode);
1514 status = ath10k_init_uart(ar);
1518 ar->htc.htc_ops.target_send_suspend_complete =
1519 ath10k_send_suspend_complete;
1521 status = ath10k_htc_init(ar);
1523 ath10k_err(ar, "could not init HTC (%d)\n", status);
1527 status = ath10k_bmi_done(ar);
1531 status = ath10k_wmi_attach(ar);
1533 ath10k_err(ar, "WMI attach failed: %d\n", status);
1537 status = ath10k_htt_init(ar);
1539 ath10k_err(ar, "failed to init htt: %d\n", status);
1540 goto err_wmi_detach;
1543 status = ath10k_htt_tx_alloc(&ar->htt);
1545 ath10k_err(ar, "failed to alloc htt tx: %d\n", status);
1546 goto err_wmi_detach;
1549 status = ath10k_htt_rx_alloc(&ar->htt);
1551 ath10k_err(ar, "failed to alloc htt rx: %d\n", status);
1552 goto err_htt_tx_detach;
1555 status = ath10k_hif_start(ar);
1557 ath10k_err(ar, "could not start HIF: %d\n", status);
1558 goto err_htt_rx_detach;
1561 status = ath10k_htc_wait_target(&ar->htc);
1563 ath10k_err(ar, "failed to connect to HTC: %d\n", status);
1567 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
1568 status = ath10k_htt_connect(&ar->htt);
1570 ath10k_err(ar, "failed to connect htt (%d)\n", status);
1575 status = ath10k_wmi_connect(ar);
1577 ath10k_err(ar, "could not connect wmi: %d\n", status);
1581 status = ath10k_htc_start(&ar->htc);
1583 ath10k_err(ar, "failed to start htc: %d\n", status);
1587 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
1588 status = ath10k_wmi_wait_for_service_ready(ar);
1590 ath10k_warn(ar, "wmi service ready event not received");
1595 ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n",
1596 ar->hw->wiphy->fw_version);
1598 status = ath10k_wmi_cmd_init(ar);
1600 ath10k_err(ar, "could not send WMI init command (%d)\n",
1605 status = ath10k_wmi_wait_for_unified_ready(ar);
1607 ath10k_err(ar, "wmi unified ready event not received\n");
1611 /* If firmware indicates Full Rx Reorder support it must be used in a
1612 * slightly different manner. Let HTT code know.
1614 ar->htt.rx_ring.in_ord_rx = !!(test_bit(WMI_SERVICE_RX_FULL_REORDER,
1617 status = ath10k_htt_rx_ring_refill(ar);
1619 ath10k_err(ar, "failed to refill htt rx ring: %d\n", status);
1623 /* we don't care about HTT in UTF mode */
1624 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
1625 status = ath10k_htt_setup(&ar->htt);
1627 ath10k_err(ar, "failed to setup htt: %d\n", status);
1632 status = ath10k_debug_start(ar);
1636 ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1;
1638 INIT_LIST_HEAD(&ar->arvifs);
1643 ath10k_hif_stop(ar);
1645 ath10k_htt_rx_free(&ar->htt);
1647 ath10k_htt_tx_free(&ar->htt);
1649 ath10k_wmi_detach(ar);
1653 EXPORT_SYMBOL(ath10k_core_start);
1655 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt)
1658 unsigned long time_left;
1660 reinit_completion(&ar->target_suspend);
1662 ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt);
1664 ath10k_warn(ar, "could not suspend target (%d)\n", ret);
1668 time_left = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ);
1671 ath10k_warn(ar, "suspend timed out - target pause event never came\n");
1678 void ath10k_core_stop(struct ath10k *ar)
1680 lockdep_assert_held(&ar->conf_mutex);
1681 ath10k_debug_stop(ar);
1683 /* try to suspend target */
1684 if (ar->state != ATH10K_STATE_RESTARTING &&
1685 ar->state != ATH10K_STATE_UTF)
1686 ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR);
1688 ath10k_hif_stop(ar);
1689 ath10k_htt_tx_free(&ar->htt);
1690 ath10k_htt_rx_free(&ar->htt);
1691 ath10k_wmi_detach(ar);
1693 EXPORT_SYMBOL(ath10k_core_stop);
1695 /* mac80211 manages fw/hw initialization through start/stop hooks. However in
1696 * order to know what hw capabilities should be advertised to mac80211 it is
1697 * necessary to load the firmware (and tear it down immediately since start
1698 * hook will try to init it again) before registering */
1699 static int ath10k_core_probe_fw(struct ath10k *ar)
1701 struct bmi_target_info target_info;
1704 ret = ath10k_hif_power_up(ar);
1706 ath10k_err(ar, "could not start pci hif (%d)\n", ret);
1710 memset(&target_info, 0, sizeof(target_info));
1711 ret = ath10k_bmi_get_target_info(ar, &target_info);
1713 ath10k_err(ar, "could not get target info (%d)\n", ret);
1714 goto err_power_down;
1717 ar->target_version = target_info.version;
1718 ar->hw->wiphy->hw_version = target_info.version;
1720 ret = ath10k_init_hw_params(ar);
1722 ath10k_err(ar, "could not get hw params (%d)\n", ret);
1723 goto err_power_down;
1726 ret = ath10k_core_fetch_firmware_files(ar);
1728 ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
1729 goto err_power_down;
1732 ret = ath10k_core_get_board_id_from_otp(ar);
1733 if (ret && ret != -EOPNOTSUPP) {
1734 ath10k_err(ar, "failed to get board id from otp for qca99x0: %d\n",
1739 ret = ath10k_core_fetch_board_file(ar);
1741 ath10k_err(ar, "failed to fetch board file: %d\n", ret);
1742 goto err_free_firmware_files;
1745 ret = ath10k_core_init_firmware_features(ar);
1747 ath10k_err(ar, "fatal problem with firmware features: %d\n",
1749 goto err_free_firmware_files;
1752 ret = ath10k_swap_code_seg_init(ar);
1754 ath10k_err(ar, "failed to initialize code swap segment: %d\n",
1756 goto err_free_firmware_files;
1759 mutex_lock(&ar->conf_mutex);
1761 ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
1763 ath10k_err(ar, "could not init core (%d)\n", ret);
1767 ath10k_print_driver_info(ar);
1768 ath10k_core_stop(ar);
1770 mutex_unlock(&ar->conf_mutex);
1772 ath10k_hif_power_down(ar);
1776 mutex_unlock(&ar->conf_mutex);
1778 err_free_firmware_files:
1779 ath10k_core_free_firmware_files(ar);
1782 ath10k_hif_power_down(ar);
1787 static void ath10k_core_register_work(struct work_struct *work)
1789 struct ath10k *ar = container_of(work, struct ath10k, register_work);
1792 status = ath10k_core_probe_fw(ar);
1794 ath10k_err(ar, "could not probe fw (%d)\n", status);
1798 status = ath10k_mac_register(ar);
1800 ath10k_err(ar, "could not register to mac80211 (%d)\n", status);
1801 goto err_release_fw;
1804 status = ath10k_debug_register(ar);
1806 ath10k_err(ar, "unable to initialize debugfs\n");
1807 goto err_unregister_mac;
1810 status = ath10k_spectral_create(ar);
1812 ath10k_err(ar, "failed to initialize spectral\n");
1813 goto err_debug_destroy;
1816 status = ath10k_thermal_register(ar);
1818 ath10k_err(ar, "could not register thermal device: %d\n",
1820 goto err_spectral_destroy;
1823 set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags);
1826 err_spectral_destroy:
1827 ath10k_spectral_destroy(ar);
1829 ath10k_debug_destroy(ar);
1831 ath10k_mac_unregister(ar);
1833 ath10k_core_free_firmware_files(ar);
1835 /* TODO: It's probably a good idea to release device from the driver
1836 * but calling device_release_driver() here will cause a deadlock.
1841 int ath10k_core_register(struct ath10k *ar, u32 chip_id)
1843 ar->chip_id = chip_id;
1844 queue_work(ar->workqueue, &ar->register_work);
1848 EXPORT_SYMBOL(ath10k_core_register);
1850 void ath10k_core_unregister(struct ath10k *ar)
1852 cancel_work_sync(&ar->register_work);
1854 if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags))
1857 ath10k_thermal_unregister(ar);
1858 /* Stop spectral before unregistering from mac80211 to remove the
1859 * relayfs debugfs file cleanly. Otherwise the parent debugfs tree
1860 * would be already be free'd recursively, leading to a double free.
1862 ath10k_spectral_destroy(ar);
1864 /* We must unregister from mac80211 before we stop HTC and HIF.
1865 * Otherwise we will fail to submit commands to FW and mac80211 will be
1866 * unhappy about callback failures. */
1867 ath10k_mac_unregister(ar);
1869 ath10k_testmode_destroy(ar);
1871 ath10k_core_free_firmware_files(ar);
1872 ath10k_core_free_board_files(ar);
1874 ath10k_debug_unregister(ar);
1876 EXPORT_SYMBOL(ath10k_core_unregister);
1878 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
1879 enum ath10k_bus bus,
1880 enum ath10k_hw_rev hw_rev,
1881 const struct ath10k_hif_ops *hif_ops)
1886 ar = ath10k_mac_create(priv_size);
1890 ar->ath_common.priv = ar;
1891 ar->ath_common.hw = ar->hw;
1893 ar->hw_rev = hw_rev;
1894 ar->hif.ops = hif_ops;
1898 case ATH10K_HW_QCA988X:
1899 ar->regs = &qca988x_regs;
1900 ar->hw_values = &qca988x_values;
1902 case ATH10K_HW_QCA6174:
1903 ar->regs = &qca6174_regs;
1904 ar->hw_values = &qca6174_values;
1906 case ATH10K_HW_QCA99X0:
1907 ar->regs = &qca99x0_regs;
1908 ar->hw_values = &qca99x0_values;
1911 ath10k_err(ar, "unsupported core hardware revision %d\n",
1917 init_completion(&ar->scan.started);
1918 init_completion(&ar->scan.completed);
1919 init_completion(&ar->scan.on_channel);
1920 init_completion(&ar->target_suspend);
1921 init_completion(&ar->wow.wakeup_completed);
1923 init_completion(&ar->install_key_done);
1924 init_completion(&ar->vdev_setup_done);
1925 init_completion(&ar->thermal.wmi_sync);
1927 INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work);
1929 ar->workqueue = create_singlethread_workqueue("ath10k_wq");
1933 ar->workqueue_aux = create_singlethread_workqueue("ath10k_aux_wq");
1934 if (!ar->workqueue_aux)
1937 mutex_init(&ar->conf_mutex);
1938 spin_lock_init(&ar->data_lock);
1940 INIT_LIST_HEAD(&ar->peers);
1941 init_waitqueue_head(&ar->peer_mapping_wq);
1942 init_waitqueue_head(&ar->htt.empty_tx_wq);
1943 init_waitqueue_head(&ar->wmi.tx_credits_wq);
1945 init_completion(&ar->offchan_tx_completed);
1946 INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work);
1947 skb_queue_head_init(&ar->offchan_tx_queue);
1949 INIT_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work);
1950 skb_queue_head_init(&ar->wmi_mgmt_tx_queue);
1952 INIT_WORK(&ar->register_work, ath10k_core_register_work);
1953 INIT_WORK(&ar->restart_work, ath10k_core_restart);
1955 ret = ath10k_debug_create(ar);
1957 goto err_free_aux_wq;
1962 destroy_workqueue(ar->workqueue_aux);
1964 destroy_workqueue(ar->workqueue);
1967 ath10k_mac_destroy(ar);
1971 EXPORT_SYMBOL(ath10k_core_create);
1973 void ath10k_core_destroy(struct ath10k *ar)
1975 flush_workqueue(ar->workqueue);
1976 destroy_workqueue(ar->workqueue);
1978 flush_workqueue(ar->workqueue_aux);
1979 destroy_workqueue(ar->workqueue_aux);
1981 ath10k_debug_destroy(ar);
1982 ath10k_wmi_free_host_mem(ar);
1983 ath10k_mac_destroy(ar);
1985 EXPORT_SYMBOL(ath10k_core_destroy);
1987 MODULE_AUTHOR("Qualcomm Atheros");
1988 MODULE_DESCRIPTION("Core module for QCA988X PCIe devices.");
1989 MODULE_LICENSE("Dual BSD/GPL");