1 // SPDX-License-Identifier: BSD-3-Clause-Clear
3 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
6 #include <linux/module.h>
7 #include <linux/slab.h>
8 #include <linux/remoteproc.h>
9 #include <linux/firmware.h>
16 unsigned int ath11k_debug_mask;
17 EXPORT_SYMBOL(ath11k_debug_mask);
18 module_param_named(debug_mask, ath11k_debug_mask, uint, 0644);
19 MODULE_PARM_DESC(debug_mask, "Debugging mask");
21 static const struct ath11k_hw_params ath11k_hw_params[] = {
23 .hw_rev = ATH11K_HW_IPQ8074,
24 .name = "ipq8074 hw2.0",
26 .dir = "IPQ8074/hw2.0",
27 .board_size = 256 * 1024,
28 .cal_size = 256 * 1024,
31 .bdf_addr = 0x4B0C0000,
32 .hw_ops = &ipq8074_ops,
33 .ring_mask = &ath11k_hw_ring_mask_ipq8074,
34 .internal_sleep_clock = false,
35 .regs = &ipq8074_regs,
36 .host_ce_config = ath11k_host_ce_config_ipq8074,
38 .target_ce_config = ath11k_target_ce_config_wlan_ipq8074,
39 .target_ce_count = 11,
40 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq8074,
41 .svc_to_ce_map_len = 21,
42 .single_pdev_only = false,
43 .needs_band_to_mac = true,
44 .rxdma1_enable = true,
45 .num_rxmda_per_pdev = 1,
46 .rx_mac_buf_ring = false,
47 .vdev_start_delay = false,
48 .htt_peer_map_v2 = true,
52 .hw_rev = ATH11K_HW_IPQ6018_HW10,
53 .name = "ipq6018 hw1.0",
55 .dir = "IPQ6018/hw1.0",
56 .board_size = 256 * 1024,
57 .cal_size = 256 * 1024,
60 .bdf_addr = 0x4ABC0000,
61 .hw_ops = &ipq6018_ops,
62 .ring_mask = &ath11k_hw_ring_mask_ipq8074,
63 .internal_sleep_clock = false,
64 .regs = &ipq8074_regs,
65 .host_ce_config = ath11k_host_ce_config_ipq8074,
67 .target_ce_config = ath11k_target_ce_config_wlan_ipq8074,
68 .target_ce_count = 11,
69 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq6018,
70 .svc_to_ce_map_len = 19,
71 .single_pdev_only = false,
72 .needs_band_to_mac = true,
73 .rxdma1_enable = true,
74 .num_rxmda_per_pdev = 1,
75 .rx_mac_buf_ring = false,
76 .vdev_start_delay = false,
77 .htt_peer_map_v2 = true,
81 .name = "qca6390 hw2.0",
82 .hw_rev = ATH11K_HW_QCA6390_HW20,
84 .dir = "QCA6390/hw2.0",
85 .board_size = 256 * 1024,
86 .cal_size = 256 * 1024,
89 .bdf_addr = 0x4B0C0000,
90 .hw_ops = &qca6390_ops,
91 .ring_mask = &ath11k_hw_ring_mask_qca6390,
92 .internal_sleep_clock = true,
93 .regs = &qca6390_regs,
94 .host_ce_config = ath11k_host_ce_config_qca6390,
96 .target_ce_config = ath11k_target_ce_config_wlan_qca6390,
98 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390,
99 .svc_to_ce_map_len = 14,
100 .single_pdev_only = true,
101 .needs_band_to_mac = false,
102 .rxdma1_enable = false,
103 .num_rxmda_per_pdev = 2,
104 .rx_mac_buf_ring = true,
105 .vdev_start_delay = true,
106 .htt_peer_map_v2 = false,
111 static int ath11k_core_create_board_name(struct ath11k_base *ab, char *name,
114 scnprintf(name, name_len,
115 "bus=%s,qmi-chip-id=%d,qmi-board-id=%d",
116 ath11k_bus_str(ab->hif.bus),
117 ab->qmi.target.chip_id,
118 ab->qmi.target.board_id);
120 ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot using board name '%s'\n", name);
125 const struct firmware *ath11k_core_firmware_request(struct ath11k_base *ab,
128 const struct firmware *fw;
133 return ERR_PTR(-ENOENT);
135 ath11k_core_create_firmware_path(ab, file, path, sizeof(path));
137 ret = firmware_request_nowarn(&fw, path, ab->dev);
141 ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot firmware request %s size %zu\n",
147 void ath11k_core_free_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd)
150 release_firmware(bd->fw);
152 memset(bd, 0, sizeof(*bd));
155 static int ath11k_core_parse_bd_ie_board(struct ath11k_base *ab,
156 struct ath11k_board_data *bd,
157 const void *buf, size_t buf_len,
158 const char *boardname,
161 const struct ath11k_fw_ie *hdr;
162 bool name_match_found;
163 int ret, board_ie_id;
165 const void *board_ie_data;
167 name_match_found = false;
169 /* go through ATH11K_BD_IE_BOARD_ elements */
170 while (buf_len > sizeof(struct ath11k_fw_ie)) {
172 board_ie_id = le32_to_cpu(hdr->id);
173 board_ie_len = le32_to_cpu(hdr->len);
174 board_ie_data = hdr->data;
176 buf_len -= sizeof(*hdr);
179 if (buf_len < ALIGN(board_ie_len, 4)) {
180 ath11k_err(ab, "invalid ATH11K_BD_IE_BOARD length: %zu < %zu\n",
181 buf_len, ALIGN(board_ie_len, 4));
186 switch (board_ie_id) {
187 case ATH11K_BD_IE_BOARD_NAME:
188 ath11k_dbg_dump(ab, ATH11K_DBG_BOOT, "board name", "",
189 board_ie_data, board_ie_len);
191 if (board_ie_len != strlen(boardname))
194 ret = memcmp(board_ie_data, boardname, strlen(boardname));
198 name_match_found = true;
199 ath11k_dbg(ab, ATH11K_DBG_BOOT,
200 "boot found match for name '%s'",
203 case ATH11K_BD_IE_BOARD_DATA:
204 if (!name_match_found)
208 ath11k_dbg(ab, ATH11K_DBG_BOOT,
209 "boot found board data for '%s'", boardname);
211 bd->data = board_ie_data;
212 bd->len = board_ie_len;
217 ath11k_warn(ab, "unknown ATH11K_BD_IE_BOARD found: %d\n",
222 /* jump over the padding */
223 board_ie_len = ALIGN(board_ie_len, 4);
225 buf_len -= board_ie_len;
236 static int ath11k_core_fetch_board_data_api_n(struct ath11k_base *ab,
237 struct ath11k_board_data *bd,
238 const char *boardname)
240 size_t len, magic_len;
242 char *filename, filepath[100];
244 struct ath11k_fw_ie *hdr;
247 filename = ATH11K_BOARD_API2_FILE;
250 bd->fw = ath11k_core_firmware_request(ab, filename);
253 return PTR_ERR(bd->fw);
258 ath11k_core_create_firmware_path(ab, filename,
259 filepath, sizeof(filepath));
261 /* magic has extra null byte padded */
262 magic_len = strlen(ATH11K_BOARD_MAGIC) + 1;
263 if (len < magic_len) {
264 ath11k_err(ab, "failed to find magic value in %s, file too short: %zu\n",
270 if (memcmp(data, ATH11K_BOARD_MAGIC, magic_len)) {
271 ath11k_err(ab, "found invalid board magic\n");
276 /* magic is padded to 4 bytes */
277 magic_len = ALIGN(magic_len, 4);
278 if (len < magic_len) {
279 ath11k_err(ab, "failed: %s too small to contain board data, len: %zu\n",
288 while (len > sizeof(struct ath11k_fw_ie)) {
289 hdr = (struct ath11k_fw_ie *)data;
290 ie_id = le32_to_cpu(hdr->id);
291 ie_len = le32_to_cpu(hdr->len);
296 if (len < ALIGN(ie_len, 4)) {
297 ath11k_err(ab, "invalid length for board ie_id %d ie_len %zu len %zu\n",
303 case ATH11K_BD_IE_BOARD:
304 ret = ath11k_core_parse_bd_ie_board(ab, bd, data,
309 /* no match found, continue */
312 /* there was an error, bail out */
314 /* either found or error, so stop searching */
318 /* jump over the padding */
319 ie_len = ALIGN(ie_len, 4);
326 if (!bd->data || !bd->len) {
328 "failed to fetch board data for %s from %s\n",
329 boardname, filepath);
337 ath11k_core_free_bdf(ab, bd);
341 static int ath11k_core_fetch_board_data_api_1(struct ath11k_base *ab,
342 struct ath11k_board_data *bd)
344 bd->fw = ath11k_core_firmware_request(ab, ATH11K_DEFAULT_BOARD_FILE);
346 return PTR_ERR(bd->fw);
348 bd->data = bd->fw->data;
349 bd->len = bd->fw->size;
354 #define BOARD_NAME_SIZE 100
355 int ath11k_core_fetch_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd)
357 char boardname[BOARD_NAME_SIZE];
360 ret = ath11k_core_create_board_name(ab, boardname, BOARD_NAME_SIZE);
362 ath11k_err(ab, "failed to create board name: %d", ret);
367 ret = ath11k_core_fetch_board_data_api_n(ab, bd, boardname);
372 ret = ath11k_core_fetch_board_data_api_1(ab, bd);
374 ath11k_err(ab, "failed to fetch board-2.bin or board.bin from %s\n",
375 ab->hw_params.fw.dir);
380 ath11k_dbg(ab, ATH11K_DBG_BOOT, "using board api %d\n", ab->bd_api);
384 static void ath11k_core_stop(struct ath11k_base *ab)
386 if (!test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags))
387 ath11k_qmi_firmware_stop(ab);
389 ath11k_wmi_detach(ab);
390 ath11k_dp_pdev_reo_cleanup(ab);
392 /* De-Init of components as needed */
395 static int ath11k_core_soc_create(struct ath11k_base *ab)
399 ret = ath11k_qmi_init_service(ab);
401 ath11k_err(ab, "failed to initialize qmi :%d\n", ret);
405 ret = ath11k_debug_soc_create(ab);
407 ath11k_err(ab, "failed to create ath11k debugfs\n");
411 ret = ath11k_hif_power_up(ab);
413 ath11k_err(ab, "failed to power up :%d\n", ret);
414 goto err_debugfs_reg;
420 ath11k_debug_soc_destroy(ab);
422 ath11k_qmi_deinit_service(ab);
426 static void ath11k_core_soc_destroy(struct ath11k_base *ab)
428 ath11k_debug_soc_destroy(ab);
431 ath11k_qmi_deinit_service(ab);
434 static int ath11k_core_pdev_create(struct ath11k_base *ab)
438 ret = ath11k_debug_pdev_create(ab);
440 ath11k_err(ab, "failed to create core pdev debugfs: %d\n", ret);
444 ret = ath11k_mac_register(ab);
446 ath11k_err(ab, "failed register the radio with mac80211: %d\n", ret);
450 ret = ath11k_dp_pdev_alloc(ab);
452 ath11k_err(ab, "failed to attach DP pdev: %d\n", ret);
453 goto err_mac_unregister;
456 ret = ath11k_thermal_register(ab);
458 ath11k_err(ab, "could not register thermal device: %d\n",
460 goto err_dp_pdev_free;
463 ret = ath11k_spectral_init(ab);
465 ath11k_err(ab, "failed to init spectral %d\n", ret);
466 goto err_thermal_unregister;
471 err_thermal_unregister:
472 ath11k_thermal_unregister(ab);
474 ath11k_dp_pdev_free(ab);
476 ath11k_mac_unregister(ab);
478 ath11k_debug_pdev_destroy(ab);
483 static void ath11k_core_pdev_destroy(struct ath11k_base *ab)
485 ath11k_spectral_deinit(ab);
486 ath11k_thermal_unregister(ab);
487 ath11k_mac_unregister(ab);
488 ath11k_hif_irq_disable(ab);
489 ath11k_dp_pdev_free(ab);
490 ath11k_debug_pdev_destroy(ab);
493 static int ath11k_core_start(struct ath11k_base *ab,
494 enum ath11k_firmware_mode mode)
498 ret = ath11k_qmi_firmware_start(ab, mode);
500 ath11k_err(ab, "failed to attach wmi: %d\n", ret);
504 ret = ath11k_wmi_attach(ab);
506 ath11k_err(ab, "failed to attach wmi: %d\n", ret);
507 goto err_firmware_stop;
510 ret = ath11k_htc_init(ab);
512 ath11k_err(ab, "failed to init htc: %d\n", ret);
516 ret = ath11k_hif_start(ab);
518 ath11k_err(ab, "failed to start HIF: %d\n", ret);
522 ret = ath11k_htc_wait_target(&ab->htc);
524 ath11k_err(ab, "failed to connect to HTC: %d\n", ret);
528 ret = ath11k_dp_htt_connect(&ab->dp);
530 ath11k_err(ab, "failed to connect to HTT: %d\n", ret);
534 ret = ath11k_wmi_connect(ab);
536 ath11k_err(ab, "failed to connect wmi: %d\n", ret);
540 ret = ath11k_htc_start(&ab->htc);
542 ath11k_err(ab, "failed to start HTC: %d\n", ret);
546 ret = ath11k_wmi_wait_for_service_ready(ab);
548 ath11k_err(ab, "failed to receive wmi service ready event: %d\n",
553 ret = ath11k_mac_allocate(ab);
555 ath11k_err(ab, "failed to create new hw device with mac80211 :%d\n",
560 ath11k_dp_pdev_pre_alloc(ab);
562 ret = ath11k_dp_pdev_reo_setup(ab);
564 ath11k_err(ab, "failed to initialize reo destination rings: %d\n", ret);
565 goto err_mac_destroy;
568 ret = ath11k_wmi_cmd_init(ab);
570 ath11k_err(ab, "failed to send wmi init cmd: %d\n", ret);
571 goto err_reo_cleanup;
574 ret = ath11k_wmi_wait_for_unified_ready(ab);
576 ath11k_err(ab, "failed to receive wmi unified ready event: %d\n",
578 goto err_reo_cleanup;
581 ret = ath11k_dp_tx_htt_h2t_ver_req_msg(ab);
583 ath11k_err(ab, "failed to send htt version request message: %d\n",
585 goto err_reo_cleanup;
591 ath11k_dp_pdev_reo_cleanup(ab);
593 ath11k_mac_destroy(ab);
597 ath11k_wmi_detach(ab);
599 ath11k_qmi_firmware_stop(ab);
604 int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab)
608 ret = ath11k_ce_init_pipes(ab);
610 ath11k_err(ab, "failed to initialize CE: %d\n", ret);
614 ret = ath11k_dp_alloc(ab);
616 ath11k_err(ab, "failed to init DP: %d\n", ret);
620 mutex_lock(&ab->core_lock);
621 ret = ath11k_core_start(ab, ATH11K_FIRMWARE_MODE_NORMAL);
623 ath11k_err(ab, "failed to start core: %d\n", ret);
627 ret = ath11k_core_pdev_create(ab);
629 ath11k_err(ab, "failed to create pdev core: %d\n", ret);
632 ath11k_hif_irq_enable(ab);
633 mutex_unlock(&ab->core_lock);
638 ath11k_core_stop(ab);
639 ath11k_mac_destroy(ab);
642 mutex_unlock(&ab->core_lock);
646 static int ath11k_core_reconfigure_on_crash(struct ath11k_base *ab)
650 mutex_lock(&ab->core_lock);
651 ath11k_thermal_unregister(ab);
652 ath11k_hif_irq_disable(ab);
653 ath11k_dp_pdev_free(ab);
654 ath11k_spectral_deinit(ab);
656 ath11k_wmi_detach(ab);
657 ath11k_dp_pdev_reo_cleanup(ab);
658 mutex_unlock(&ab->core_lock);
661 ath11k_hal_srng_deinit(ab);
663 ab->free_vdev_map = (1LL << (ab->num_radios * TARGET_NUM_VDEVS)) - 1;
665 ret = ath11k_hal_srng_init(ab);
669 clear_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags);
671 ret = ath11k_core_qmi_firmware_ready(ab);
673 goto err_hal_srng_deinit;
675 clear_bit(ATH11K_FLAG_RECOVERY, &ab->dev_flags);
680 ath11k_hal_srng_deinit(ab);
684 void ath11k_core_halt(struct ath11k *ar)
686 struct ath11k_base *ab = ar->ab;
688 lockdep_assert_held(&ar->conf_mutex);
690 ar->num_created_vdevs = 0;
691 ar->allocated_vdev_map = 0;
693 ath11k_mac_scan_finish(ar);
694 ath11k_mac_peer_cleanup_all(ar);
695 cancel_delayed_work_sync(&ar->scan.timeout);
696 cancel_work_sync(&ar->regd_update_work);
698 rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx], NULL);
700 INIT_LIST_HEAD(&ar->arvifs);
701 idr_init(&ar->txmgmt_idr);
704 static void ath11k_core_restart(struct work_struct *work)
706 struct ath11k_base *ab = container_of(work, struct ath11k_base, restart_work);
708 struct ath11k_pdev *pdev;
711 spin_lock_bh(&ab->base_lock);
712 ab->stats.fw_crash_counter++;
713 spin_unlock_bh(&ab->base_lock);
715 for (i = 0; i < ab->num_radios; i++) {
716 pdev = &ab->pdevs[i];
718 if (!ar || ar->state == ATH11K_STATE_OFF)
721 ieee80211_stop_queues(ar->hw);
722 ath11k_mac_drain_tx(ar);
723 complete(&ar->scan.started);
724 complete(&ar->scan.completed);
725 complete(&ar->peer_assoc_done);
726 complete(&ar->install_key_done);
727 complete(&ar->vdev_setup_done);
728 complete(&ar->bss_survey_done);
729 complete(&ar->thermal.wmi_sync);
731 wake_up(&ar->dp.tx_empty_waitq);
732 idr_for_each(&ar->txmgmt_idr,
733 ath11k_mac_tx_mgmt_pending_free, ar);
734 idr_destroy(&ar->txmgmt_idr);
737 wake_up(&ab->wmi_ab.tx_credits_wq);
738 wake_up(&ab->peer_mapping_wq);
740 ret = ath11k_core_reconfigure_on_crash(ab);
742 ath11k_err(ab, "failed to reconfigure driver on crash recovery\n");
746 for (i = 0; i < ab->num_radios; i++) {
747 pdev = &ab->pdevs[i];
749 if (!ar || ar->state == ATH11K_STATE_OFF)
752 mutex_lock(&ar->conf_mutex);
755 case ATH11K_STATE_ON:
756 ar->state = ATH11K_STATE_RESTARTING;
757 ath11k_core_halt(ar);
758 ieee80211_restart_hw(ar->hw);
760 case ATH11K_STATE_OFF:
762 "cannot restart radio %d that hasn't been started\n",
765 case ATH11K_STATE_RESTARTING:
767 case ATH11K_STATE_RESTARTED:
768 ar->state = ATH11K_STATE_WEDGED;
770 case ATH11K_STATE_WEDGED:
772 "device is wedged, will not restart radio %d\n", i);
775 mutex_unlock(&ar->conf_mutex);
777 complete(&ab->driver_recovery);
780 static int ath11k_init_hw_params(struct ath11k_base *ab)
782 const struct ath11k_hw_params *hw_params = NULL;
785 for (i = 0; i < ARRAY_SIZE(ath11k_hw_params); i++) {
786 hw_params = &ath11k_hw_params[i];
788 if (hw_params->hw_rev == ab->hw_rev)
792 if (i == ARRAY_SIZE(ath11k_hw_params)) {
793 ath11k_err(ab, "Unsupported hardware version: 0x%x\n", ab->hw_rev);
797 ab->hw_params = *hw_params;
799 ath11k_dbg(ab, ATH11K_DBG_BOOT, "Hardware name %s\n", ab->hw_params.name);
804 int ath11k_core_pre_init(struct ath11k_base *ab)
808 ret = ath11k_init_hw_params(ab);
810 ath11k_err(ab, "failed to get hw params: %d\n", ret);
816 EXPORT_SYMBOL(ath11k_core_pre_init);
818 static int ath11k_core_get_rproc(struct ath11k_base *ab)
820 struct device *dev = ab->dev;
821 struct rproc *prproc;
822 phandle rproc_phandle;
824 if (ab->bus_params.mhi_support)
827 if (of_property_read_u32(dev->of_node, "qcom,rproc", &rproc_phandle)) {
828 ath11k_err(ab, "failed to get q6_rproc handle\n");
832 prproc = rproc_get_by_phandle(rproc_phandle);
834 ath11k_err(ab, "failed to get rproc\n");
837 ab->tgt_rproc = prproc;
842 int ath11k_core_init(struct ath11k_base *ab)
846 ret = ath11k_core_get_rproc(ab);
848 ath11k_err(ab, "failed to get rproc: %d\n", ret);
852 ret = ath11k_init_hw_params(ab);
854 ath11k_err(ab, "failed to get hw params %d\n", ret);
858 ret = ath11k_core_soc_create(ab);
860 ath11k_err(ab, "failed to create soc core: %d\n", ret);
866 EXPORT_SYMBOL(ath11k_core_init);
868 void ath11k_core_deinit(struct ath11k_base *ab)
870 mutex_lock(&ab->core_lock);
872 ath11k_core_pdev_destroy(ab);
873 ath11k_core_stop(ab);
875 mutex_unlock(&ab->core_lock);
877 ath11k_hif_power_down(ab);
878 ath11k_mac_destroy(ab);
879 ath11k_core_soc_destroy(ab);
881 EXPORT_SYMBOL(ath11k_core_deinit);
883 void ath11k_core_free(struct ath11k_base *ab)
887 EXPORT_SYMBOL(ath11k_core_free);
889 struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size,
891 const struct ath11k_bus_params *bus_params)
893 struct ath11k_base *ab;
895 ab = kzalloc(sizeof(*ab) + priv_size, GFP_KERNEL);
899 init_completion(&ab->driver_recovery);
901 ab->workqueue = create_singlethread_workqueue("ath11k_wq");
905 mutex_init(&ab->core_lock);
906 spin_lock_init(&ab->base_lock);
908 INIT_LIST_HEAD(&ab->peers);
909 init_waitqueue_head(&ab->peer_mapping_wq);
910 init_waitqueue_head(&ab->wmi_ab.tx_credits_wq);
911 INIT_WORK(&ab->restart_work, ath11k_core_restart);
912 timer_setup(&ab->rx_replenish_retry, ath11k_ce_rx_replenish_retry, 0);
914 ab->bus_params = *bus_params;
923 EXPORT_SYMBOL(ath11k_core_alloc);
925 MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11ax wireless LAN cards.");
926 MODULE_LICENSE("Dual BSD/GPL");