3 * Copyright (c) 2011 Atheros Communications 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/moduleparam.h>
19 #include <linux/errno.h>
21 #include <linux/mmc/sdio_func.h>
28 unsigned int debug_mask;
29 static unsigned int testmode;
30 static bool suspend_cutpower;
32 module_param(debug_mask, uint, 0644);
33 module_param(testmode, uint, 0644);
34 module_param(suspend_cutpower, bool, 0444);
36 static const struct ath6kl_hw hw_list[] = {
38 .id = AR6003_HW_2_0_VERSION,
39 .name = "ar6003 hw 2.0",
40 .dataset_patch_addr = 0x57e884,
41 .app_load_addr = 0x543180,
42 .board_ext_data_addr = 0x57e500,
43 .reserved_ram_size = 6912,
44 .refclk_hz = 26000000,
47 /* hw2.0 needs override address hardcoded */
48 .app_start_override_addr = 0x944C00,
51 .dir = AR6003_HW_2_0_FW_DIR,
52 .otp = AR6003_HW_2_0_OTP_FILE,
53 .fw = AR6003_HW_2_0_FIRMWARE_FILE,
54 .tcmd = AR6003_HW_2_0_TCMD_FIRMWARE_FILE,
55 .patch = AR6003_HW_2_0_PATCH_FILE,
56 .api2 = ATH6KL_FW_API2_FILE,
59 .fw_board = AR6003_HW_2_0_BOARD_DATA_FILE,
60 .fw_default_board = AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE,
63 .id = AR6003_HW_2_1_1_VERSION,
64 .name = "ar6003 hw 2.1.1",
65 .dataset_patch_addr = 0x57ff74,
66 .app_load_addr = 0x1234,
67 .board_ext_data_addr = 0x542330,
68 .reserved_ram_size = 512,
69 .refclk_hz = 26000000,
73 .dir = AR6003_HW_2_1_1_FW_DIR,
74 .otp = AR6003_HW_2_1_1_OTP_FILE,
75 .fw = AR6003_HW_2_1_1_FIRMWARE_FILE,
76 .tcmd = AR6003_HW_2_1_1_TCMD_FIRMWARE_FILE,
77 .patch = AR6003_HW_2_1_1_PATCH_FILE,
78 .api2 = ATH6KL_FW_API2_FILE,
81 .fw_board = AR6003_HW_2_1_1_BOARD_DATA_FILE,
82 .fw_default_board = AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE,
85 .id = AR6004_HW_1_0_VERSION,
86 .name = "ar6004 hw 1.0",
87 .dataset_patch_addr = 0x57e884,
88 .app_load_addr = 0x1234,
89 .board_ext_data_addr = 0x437000,
90 .reserved_ram_size = 19456,
91 .board_addr = 0x433900,
92 .refclk_hz = 26000000,
96 .dir = AR6004_HW_1_0_FW_DIR,
97 .fw = AR6004_HW_1_0_FIRMWARE_FILE,
98 .api2 = ATH6KL_FW_API2_FILE,
101 .fw_board = AR6004_HW_1_0_BOARD_DATA_FILE,
102 .fw_default_board = AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE,
105 .id = AR6004_HW_1_1_VERSION,
106 .name = "ar6004 hw 1.1",
107 .dataset_patch_addr = 0x57e884,
108 .app_load_addr = 0x1234,
109 .board_ext_data_addr = 0x437000,
110 .reserved_ram_size = 11264,
111 .board_addr = 0x43d400,
112 .refclk_hz = 40000000,
116 .dir = AR6004_HW_1_1_FW_DIR,
117 .fw = AR6004_HW_1_1_FIRMWARE_FILE,
118 .api2 = ATH6KL_FW_API2_FILE,
121 .fw_board = AR6004_HW_1_1_BOARD_DATA_FILE,
122 .fw_default_board = AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE,
127 * Include definitions here that can be used to tune the WLAN module
128 * behavior. Different customers can tune the behavior as per their needs,
133 * This configuration item enable/disable keepalive support.
134 * Keepalive support: In the absence of any data traffic to AP, null
135 * frames will be sent to the AP at periodic interval, to keep the association
136 * active. This configuration item defines the periodic interval.
137 * Use value of zero to disable keepalive support
138 * Default: 60 seconds
140 #define WLAN_CONFIG_KEEP_ALIVE_INTERVAL 60
143 * This configuration item sets the value of disconnect timeout
144 * Firmware delays sending the disconnec event to the host for this
145 * timeout after is gets disconnected from the current AP.
146 * If the firmware successly roams within the disconnect timeout
147 * it sends a new connect event
149 #define WLAN_CONFIG_DISCONNECT_TIMEOUT 10
152 #define ATH6KL_DATA_OFFSET 64
153 struct sk_buff *ath6kl_buf_alloc(int size)
158 /* Add chacheline space at front and back of buffer */
159 reserved = (2 * L1_CACHE_BYTES) + ATH6KL_DATA_OFFSET +
160 sizeof(struct htc_packet) + ATH6KL_HTC_ALIGN_BYTES;
161 skb = dev_alloc_skb(size + reserved);
164 skb_reserve(skb, reserved - L1_CACHE_BYTES);
168 void ath6kl_init_profile_info(struct ath6kl_vif *vif)
171 memset(vif->ssid, 0, sizeof(vif->ssid));
173 vif->dot11_auth_mode = OPEN_AUTH;
174 vif->auth_mode = NONE_AUTH;
175 vif->prwise_crypto = NONE_CRYPT;
176 vif->prwise_crypto_len = 0;
177 vif->grp_crypto = NONE_CRYPT;
178 vif->grp_crypto_len = 0;
179 memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list));
180 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
181 memset(vif->bssid, 0, sizeof(vif->bssid));
185 static int ath6kl_set_host_app_area(struct ath6kl *ar)
188 struct host_app_area host_app_area;
190 /* Fetch the address of the host_app_area_s
191 * instance in the host interest area */
192 address = ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_app_host_interest));
193 address = TARG_VTOP(ar->target_type, address);
195 if (ath6kl_diag_read32(ar, address, &data))
198 address = TARG_VTOP(ar->target_type, data);
199 host_app_area.wmi_protocol_ver = cpu_to_le32(WMI_PROTOCOL_VERSION);
200 if (ath6kl_diag_write(ar, address, (u8 *) &host_app_area,
201 sizeof(struct host_app_area)))
207 static inline void set_ac2_ep_map(struct ath6kl *ar,
209 enum htc_endpoint_id ep)
211 ar->ac2ep_map[ac] = ep;
212 ar->ep2ac_map[ep] = ac;
215 /* connect to a service */
216 static int ath6kl_connectservice(struct ath6kl *ar,
217 struct htc_service_connect_req *con_req,
221 struct htc_service_connect_resp response;
223 memset(&response, 0, sizeof(response));
225 status = ath6kl_htc_conn_service(ar->htc_target, con_req, &response);
227 ath6kl_err("failed to connect to %s service status:%d\n",
232 switch (con_req->svc_id) {
233 case WMI_CONTROL_SVC:
234 if (test_bit(WMI_ENABLED, &ar->flag))
235 ath6kl_wmi_set_control_ep(ar->wmi, response.endpoint);
236 ar->ctrl_ep = response.endpoint;
238 case WMI_DATA_BE_SVC:
239 set_ac2_ep_map(ar, WMM_AC_BE, response.endpoint);
241 case WMI_DATA_BK_SVC:
242 set_ac2_ep_map(ar, WMM_AC_BK, response.endpoint);
244 case WMI_DATA_VI_SVC:
245 set_ac2_ep_map(ar, WMM_AC_VI, response.endpoint);
247 case WMI_DATA_VO_SVC:
248 set_ac2_ep_map(ar, WMM_AC_VO, response.endpoint);
251 ath6kl_err("service id is not mapped %d\n", con_req->svc_id);
258 static int ath6kl_init_service_ep(struct ath6kl *ar)
260 struct htc_service_connect_req connect;
262 memset(&connect, 0, sizeof(connect));
264 /* these fields are the same for all service endpoints */
265 connect.ep_cb.rx = ath6kl_rx;
266 connect.ep_cb.rx_refill = ath6kl_rx_refill;
267 connect.ep_cb.tx_full = ath6kl_tx_queue_full;
270 * Set the max queue depth so that our ath6kl_tx_queue_full handler
273 connect.max_txq_depth = MAX_DEFAULT_SEND_QUEUE_DEPTH;
274 connect.ep_cb.rx_refill_thresh = ATH6KL_MAX_RX_BUFFERS / 4;
275 if (!connect.ep_cb.rx_refill_thresh)
276 connect.ep_cb.rx_refill_thresh++;
278 /* connect to control service */
279 connect.svc_id = WMI_CONTROL_SVC;
280 if (ath6kl_connectservice(ar, &connect, "WMI CONTROL"))
283 connect.flags |= HTC_FLGS_TX_BNDL_PAD_EN;
286 * Limit the HTC message size on the send path, although e can
287 * receive A-MSDU frames of 4K, we will only send ethernet-sized
288 * (802.3) frames on the send path.
290 connect.max_rxmsg_sz = WMI_MAX_TX_DATA_FRAME_LENGTH;
293 * To reduce the amount of committed memory for larger A_MSDU
294 * frames, use the recv-alloc threshold mechanism for larger
297 connect.ep_cb.rx_alloc_thresh = ATH6KL_BUFFER_SIZE;
298 connect.ep_cb.rx_allocthresh = ath6kl_alloc_amsdu_rxbuf;
301 * For the remaining data services set the connection flag to
302 * reduce dribbling, if configured to do so.
304 connect.conn_flags |= HTC_CONN_FLGS_REDUCE_CRED_DRIB;
305 connect.conn_flags &= ~HTC_CONN_FLGS_THRESH_MASK;
306 connect.conn_flags |= HTC_CONN_FLGS_THRESH_LVL_HALF;
308 connect.svc_id = WMI_DATA_BE_SVC;
310 if (ath6kl_connectservice(ar, &connect, "WMI DATA BE"))
313 /* connect to back-ground map this to WMI LOW_PRI */
314 connect.svc_id = WMI_DATA_BK_SVC;
315 if (ath6kl_connectservice(ar, &connect, "WMI DATA BK"))
318 /* connect to Video service, map this to to HI PRI */
319 connect.svc_id = WMI_DATA_VI_SVC;
320 if (ath6kl_connectservice(ar, &connect, "WMI DATA VI"))
324 * Connect to VO service, this is currently not mapped to a WMI
325 * priority stream due to historical reasons. WMI originally
326 * defined 3 priorities over 3 mailboxes We can change this when
327 * WMI is reworked so that priorities are not dependent on
330 connect.svc_id = WMI_DATA_VO_SVC;
331 if (ath6kl_connectservice(ar, &connect, "WMI DATA VO"))
337 void ath6kl_init_control_info(struct ath6kl_vif *vif)
339 ath6kl_init_profile_info(vif);
340 vif->def_txkey_index = 0;
341 memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list));
346 * Set HTC/Mbox operational parameters, this can only be called when the
347 * target is in the BMI phase.
349 static int ath6kl_set_htc_params(struct ath6kl *ar, u32 mbox_isr_yield_val,
355 blk_size = ar->mbox_info.block_size;
358 blk_size |= ((u32)htc_ctrl_buf) << 16;
360 /* set the host interest area for the block size */
361 status = ath6kl_bmi_write(ar,
362 ath6kl_get_hi_item_addr(ar,
363 HI_ITEM(hi_mbox_io_block_sz)),
367 ath6kl_err("bmi_write_memory for IO block size failed\n");
371 ath6kl_dbg(ATH6KL_DBG_TRC, "block size set: %d (target addr:0x%X)\n",
373 ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_mbox_io_block_sz)));
375 if (mbox_isr_yield_val) {
376 /* set the host interest area for the mbox ISR yield limit */
377 status = ath6kl_bmi_write(ar,
378 ath6kl_get_hi_item_addr(ar,
379 HI_ITEM(hi_mbox_isr_yield_limit)),
380 (u8 *)&mbox_isr_yield_val,
383 ath6kl_err("bmi_write_memory for yield limit failed\n");
392 static int ath6kl_target_config_wlan_params(struct ath6kl *ar, int idx)
398 * Configure the device for rx dot11 header rules. "0,0" are the
399 * default values. Required if checksum offload is needed. Set
400 * RxMetaVersion to 2.
402 if (ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, idx,
403 ar->rx_meta_ver, 0, 0)) {
404 ath6kl_err("unable to set the rx frame format\n");
408 if (ar->conf_flags & ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN)
409 if ((ath6kl_wmi_pmparams_cmd(ar->wmi, idx, 0, 1, 0, 0, 1,
410 IGNORE_POWER_SAVE_FAIL_EVENT_DURING_SCAN)) != 0) {
411 ath6kl_err("unable to set power save fail event policy\n");
415 if (!(ar->conf_flags & ATH6KL_CONF_IGNORE_ERP_BARKER))
416 if ((ath6kl_wmi_set_lpreamble_cmd(ar->wmi, idx, 0,
417 WMI_DONOT_IGNORE_BARKER_IN_ERP)) != 0) {
418 ath6kl_err("unable to set barker preamble policy\n");
422 if (ath6kl_wmi_set_keepalive_cmd(ar->wmi, idx,
423 WLAN_CONFIG_KEEP_ALIVE_INTERVAL)) {
424 ath6kl_err("unable to set keep alive interval\n");
428 if (ath6kl_wmi_disctimeout_cmd(ar->wmi, idx,
429 WLAN_CONFIG_DISCONNECT_TIMEOUT)) {
430 ath6kl_err("unable to set disconnect timeout\n");
434 if (!(ar->conf_flags & ATH6KL_CONF_ENABLE_TX_BURST))
435 if (ath6kl_wmi_set_wmm_txop(ar->wmi, idx, WMI_TXOP_DISABLED)) {
436 ath6kl_err("unable to set txop bursting\n");
440 if (ar->p2p && (ar->vif_max == 1 || idx)) {
441 ret = ath6kl_wmi_info_req_cmd(ar->wmi, idx,
442 P2P_FLAG_CAPABILITIES_REQ |
443 P2P_FLAG_MACADDR_REQ |
444 P2P_FLAG_HMODEL_REQ);
446 ath6kl_dbg(ATH6KL_DBG_TRC, "failed to request P2P "
447 "capabilities (%d) - assuming P2P not "
453 if (ar->p2p && (ar->vif_max == 1 || idx)) {
454 /* Enable Probe Request reporting for P2P */
455 ret = ath6kl_wmi_probe_report_req_cmd(ar->wmi, idx, true);
457 ath6kl_dbg(ATH6KL_DBG_TRC, "failed to enable Probe "
458 "Request reporting (%d)\n", ret);
465 int ath6kl_configure_target(struct ath6kl *ar)
467 u32 param, ram_reserved_size;
468 u8 fw_iftype, fw_mode = 0, fw_submode = 0;
472 * Note: Even though the firmware interface type is
473 * chosen as BSS_STA for all three interfaces, can
474 * be configured to IBSS/AP as long as the fw submode
475 * remains normal mode (0 - AP, STA and IBSS). But
476 * due to an target assert in firmware only one interface is
477 * configured for now.
479 fw_iftype = HI_OPTION_FW_MODE_BSS_STA;
481 for (i = 0; i < ar->vif_max; i++)
482 fw_mode |= fw_iftype << (i * HI_OPTION_FW_MODE_BITS);
485 * By default, submodes :
486 * vif[0] - AP/STA/IBSS
487 * vif[1] - "P2P dev"/"P2P GO"/"P2P Client"
488 * vif[2] - "P2P dev"/"P2P GO"/"P2P Client"
491 for (i = 0; i < ar->max_norm_iface; i++)
492 fw_submode |= HI_OPTION_FW_SUBMODE_NONE <<
493 (i * HI_OPTION_FW_SUBMODE_BITS);
495 for (i = ar->max_norm_iface; i < ar->vif_max; i++)
496 fw_submode |= HI_OPTION_FW_SUBMODE_P2PDEV <<
497 (i * HI_OPTION_FW_SUBMODE_BITS);
499 if (ar->p2p && ar->vif_max == 1)
500 fw_submode = HI_OPTION_FW_SUBMODE_P2PDEV;
502 param = HTC_PROTOCOL_VERSION;
503 if (ath6kl_bmi_write(ar,
504 ath6kl_get_hi_item_addr(ar,
505 HI_ITEM(hi_app_host_interest)),
506 (u8 *)¶m, 4) != 0) {
507 ath6kl_err("bmi_write_memory for htc version failed\n");
511 /* set the firmware mode to STA/IBSS/AP */
514 if (ath6kl_bmi_read(ar,
515 ath6kl_get_hi_item_addr(ar,
516 HI_ITEM(hi_option_flag)),
517 (u8 *)¶m, 4) != 0) {
518 ath6kl_err("bmi_read_memory for setting fwmode failed\n");
522 param |= (ar->vif_max << HI_OPTION_NUM_DEV_SHIFT);
523 param |= fw_mode << HI_OPTION_FW_MODE_SHIFT;
524 param |= fw_submode << HI_OPTION_FW_SUBMODE_SHIFT;
526 param |= (0 << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
527 param |= (0 << HI_OPTION_FW_BRIDGE_SHIFT);
529 if (ath6kl_bmi_write(ar,
530 ath6kl_get_hi_item_addr(ar,
531 HI_ITEM(hi_option_flag)),
534 ath6kl_err("bmi_write_memory for setting fwmode failed\n");
538 ath6kl_dbg(ATH6KL_DBG_TRC, "firmware mode set\n");
541 * Hardcode the address use for the extended board data
542 * Ideally this should be pre-allocate by the OS at boot time
543 * But since it is a new feature and board data is loaded
544 * at init time, we have to workaround this from host.
545 * It is difficult to patch the firmware boot code,
546 * but possible in theory.
549 param = ar->hw.board_ext_data_addr;
550 ram_reserved_size = ar->hw.reserved_ram_size;
552 if (ath6kl_bmi_write(ar, ath6kl_get_hi_item_addr(ar,
553 HI_ITEM(hi_board_ext_data)),
554 (u8 *)¶m, 4) != 0) {
555 ath6kl_err("bmi_write_memory for hi_board_ext_data failed\n");
559 if (ath6kl_bmi_write(ar, ath6kl_get_hi_item_addr(ar,
560 HI_ITEM(hi_end_ram_reserve_sz)),
561 (u8 *)&ram_reserved_size, 4) != 0) {
562 ath6kl_err("bmi_write_memory for hi_end_ram_reserve_sz failed\n");
566 /* set the block size for the target */
567 if (ath6kl_set_htc_params(ar, MBOX_YIELD_LIMIT, 0))
568 /* use default number of control buffers */
571 /* Configure GPIO AR600x UART */
572 param = ar->hw.uarttx_pin;
573 status = ath6kl_bmi_write(ar,
574 ath6kl_get_hi_item_addr(ar,
575 HI_ITEM(hi_dbg_uart_txpin)),
580 /* Configure target refclk_hz */
581 param = ar->hw.refclk_hz;
582 status = ath6kl_bmi_write(ar,
583 ath6kl_get_hi_item_addr(ar,
584 HI_ITEM(hi_refclk_hz)),
592 void ath6kl_core_free(struct ath6kl *ar)
594 wiphy_free(ar->wiphy);
597 void ath6kl_core_cleanup(struct ath6kl *ar)
599 ath6kl_hif_power_off(ar);
601 destroy_workqueue(ar->ath6kl_wq);
604 ath6kl_htc_cleanup(ar->htc_target);
606 ath6kl_cookie_cleanup(ar);
608 ath6kl_cleanup_amsdu_rxbufs(ar);
610 ath6kl_bmi_cleanup(ar);
612 ath6kl_debug_cleanup(ar);
619 ath6kl_deinit_ieee80211_hw(ar);
622 /* firmware upload */
623 static int ath6kl_get_fw(struct ath6kl *ar, const char *filename,
624 u8 **fw, size_t *fw_len)
626 const struct firmware *fw_entry;
629 ret = request_firmware(&fw_entry, filename, ar->dev);
633 *fw_len = fw_entry->size;
634 *fw = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL);
639 release_firmware(fw_entry);
646 * Check the device tree for a board-id and use it to construct
647 * the pathname to the firmware file. Used (for now) to find a
648 * fallback to the "bdata.bin" file--typically a symlink to the
649 * appropriate board-specific file.
651 static bool check_device_tree(struct ath6kl *ar)
653 static const char *board_id_prop = "atheros,board-id";
654 struct device_node *node;
655 char board_filename[64];
656 const char *board_id;
659 for_each_compatible_node(node, NULL, "atheros,ath6kl") {
660 board_id = of_get_property(node, board_id_prop, NULL);
661 if (board_id == NULL) {
662 ath6kl_warn("No \"%s\" property on %s node.\n",
663 board_id_prop, node->name);
666 snprintf(board_filename, sizeof(board_filename),
667 "%s/bdata.%s.bin", ar->hw.fw.dir, board_id);
669 ret = ath6kl_get_fw(ar, board_filename, &ar->fw_board,
672 ath6kl_err("Failed to get DT board file %s: %d\n",
673 board_filename, ret);
681 static bool check_device_tree(struct ath6kl *ar)
685 #endif /* CONFIG_OF */
687 static int ath6kl_fetch_board_file(struct ath6kl *ar)
689 const char *filename;
692 if (ar->fw_board != NULL)
695 if (WARN_ON(ar->hw.fw_board == NULL))
698 filename = ar->hw.fw_board;
700 ret = ath6kl_get_fw(ar, filename, &ar->fw_board,
703 /* managed to get proper board file */
707 if (check_device_tree(ar)) {
708 /* got board file from device tree */
712 /* there was no proper board file, try to use default instead */
713 ath6kl_warn("Failed to get board file %s (%d), trying to find default board file.\n",
716 filename = ar->hw.fw_default_board;
718 ret = ath6kl_get_fw(ar, filename, &ar->fw_board,
721 ath6kl_err("Failed to get default board file %s: %d\n",
726 ath6kl_warn("WARNING! No proper board file was not found, instead using a default board file.\n");
727 ath6kl_warn("Most likely your hardware won't work as specified. Install correct board file!\n");
732 static int ath6kl_fetch_otp_file(struct ath6kl *ar)
737 if (ar->fw_otp != NULL)
740 if (ar->hw.fw.otp == NULL) {
741 ath6kl_dbg(ATH6KL_DBG_BOOT,
742 "no OTP file configured for this hw\n");
746 snprintf(filename, sizeof(filename), "%s/%s",
747 ar->hw.fw.dir, ar->hw.fw.otp);
749 ret = ath6kl_get_fw(ar, filename, &ar->fw_otp,
752 ath6kl_err("Failed to get OTP file %s: %d\n",
760 static int ath6kl_fetch_fw_file(struct ath6kl *ar)
769 if (ar->hw.fw.tcmd == NULL) {
770 ath6kl_warn("testmode not supported\n");
774 snprintf(filename, sizeof(filename), "%s/%s",
775 ar->hw.fw.dir, ar->hw.fw.tcmd);
777 set_bit(TESTMODE, &ar->flag);
782 /* FIXME: remove WARN_ON() as we won't support FW API 1 for long */
783 if (WARN_ON(ar->hw.fw.fw == NULL))
786 snprintf(filename, sizeof(filename), "%s/%s",
787 ar->hw.fw.dir, ar->hw.fw.fw);
790 ret = ath6kl_get_fw(ar, filename, &ar->fw, &ar->fw_len);
792 ath6kl_err("Failed to get firmware file %s: %d\n",
800 static int ath6kl_fetch_patch_file(struct ath6kl *ar)
805 if (ar->fw_patch != NULL)
808 if (ar->hw.fw.patch == NULL)
811 snprintf(filename, sizeof(filename), "%s/%s",
812 ar->hw.fw.dir, ar->hw.fw.patch);
814 ret = ath6kl_get_fw(ar, filename, &ar->fw_patch,
817 ath6kl_err("Failed to get patch file %s: %d\n",
825 static int ath6kl_fetch_fw_api1(struct ath6kl *ar)
829 ret = ath6kl_fetch_otp_file(ar);
833 ret = ath6kl_fetch_fw_file(ar);
837 ret = ath6kl_fetch_patch_file(ar);
844 static int ath6kl_fetch_fw_api2(struct ath6kl *ar)
846 size_t magic_len, len, ie_len;
847 const struct firmware *fw;
848 struct ath6kl_fw_ie *hdr;
851 int ret, ie_id, i, index, bit;
854 if (ar->hw.fw.api2 == NULL)
857 snprintf(filename, sizeof(filename), "%s/%s",
858 ar->hw.fw.dir, ar->hw.fw.api2);
860 ret = request_firmware(&fw, filename, ar->dev);
867 /* magic also includes the null byte, check that as well */
868 magic_len = strlen(ATH6KL_FIRMWARE_MAGIC) + 1;
870 if (len < magic_len) {
875 if (memcmp(data, ATH6KL_FIRMWARE_MAGIC, magic_len) != 0) {
884 while (len > sizeof(struct ath6kl_fw_ie)) {
885 /* hdr is unaligned! */
886 hdr = (struct ath6kl_fw_ie *) data;
888 ie_id = le32_to_cpup(&hdr->id);
889 ie_len = le32_to_cpup(&hdr->len);
892 data += sizeof(*hdr);
900 case ATH6KL_FW_IE_OTP_IMAGE:
901 ath6kl_dbg(ATH6KL_DBG_BOOT, "found otp image ie (%zd B)\n",
904 ar->fw_otp = kmemdup(data, ie_len, GFP_KERNEL);
906 if (ar->fw_otp == NULL) {
911 ar->fw_otp_len = ie_len;
913 case ATH6KL_FW_IE_FW_IMAGE:
914 ath6kl_dbg(ATH6KL_DBG_BOOT, "found fw image ie (%zd B)\n",
917 ar->fw = kmemdup(data, ie_len, GFP_KERNEL);
919 if (ar->fw == NULL) {
926 case ATH6KL_FW_IE_PATCH_IMAGE:
927 ath6kl_dbg(ATH6KL_DBG_BOOT, "found patch image ie (%zd B)\n",
930 ar->fw_patch = kmemdup(data, ie_len, GFP_KERNEL);
932 if (ar->fw_patch == NULL) {
937 ar->fw_patch_len = ie_len;
939 case ATH6KL_FW_IE_RESERVED_RAM_SIZE:
940 val = (__le32 *) data;
941 ar->hw.reserved_ram_size = le32_to_cpup(val);
943 ath6kl_dbg(ATH6KL_DBG_BOOT,
944 "found reserved ram size ie 0x%d\n",
945 ar->hw.reserved_ram_size);
947 case ATH6KL_FW_IE_CAPABILITIES:
948 if (ie_len < DIV_ROUND_UP(ATH6KL_FW_CAPABILITY_MAX, 8))
951 ath6kl_dbg(ATH6KL_DBG_BOOT,
952 "found firmware capabilities ie (%zd B)\n",
955 for (i = 0; i < ATH6KL_FW_CAPABILITY_MAX; i++) {
959 if (data[index] & (1 << bit))
960 __set_bit(i, ar->fw_capabilities);
963 ath6kl_dbg_dump(ATH6KL_DBG_BOOT, "capabilities", "",
965 sizeof(ar->fw_capabilities));
967 case ATH6KL_FW_IE_PATCH_ADDR:
968 if (ie_len != sizeof(*val))
971 val = (__le32 *) data;
972 ar->hw.dataset_patch_addr = le32_to_cpup(val);
974 ath6kl_dbg(ATH6KL_DBG_BOOT,
975 "found patch address ie 0x%x\n",
976 ar->hw.dataset_patch_addr);
978 case ATH6KL_FW_IE_BOARD_ADDR:
979 if (ie_len != sizeof(*val))
982 val = (__le32 *) data;
983 ar->hw.board_addr = le32_to_cpup(val);
985 ath6kl_dbg(ATH6KL_DBG_BOOT,
986 "found board address ie 0x%x\n",
989 case ATH6KL_FW_IE_VIF_MAX:
990 if (ie_len != sizeof(*val))
993 val = (__le32 *) data;
994 ar->vif_max = min_t(unsigned int, le32_to_cpup(val),
997 if (ar->vif_max > 1 && !ar->p2p)
998 ar->max_norm_iface = 2;
1000 ath6kl_dbg(ATH6KL_DBG_BOOT,
1001 "found vif max ie %d\n", ar->vif_max);
1004 ath6kl_dbg(ATH6KL_DBG_BOOT, "Unknown fw ie: %u\n",
1005 le32_to_cpup(&hdr->id));
1015 release_firmware(fw);
1020 static int ath6kl_fetch_firmwares(struct ath6kl *ar)
1024 ret = ath6kl_fetch_board_file(ar);
1028 ret = ath6kl_fetch_fw_api2(ar);
1030 ath6kl_dbg(ATH6KL_DBG_BOOT, "using fw api 2\n");
1034 ret = ath6kl_fetch_fw_api1(ar);
1038 ath6kl_dbg(ATH6KL_DBG_BOOT, "using fw api 1\n");
1043 static int ath6kl_upload_board_file(struct ath6kl *ar)
1045 u32 board_address, board_ext_address, param;
1046 u32 board_data_size, board_ext_data_size;
1049 if (WARN_ON(ar->fw_board == NULL))
1053 * Determine where in Target RAM to write Board Data.
1054 * For AR6004, host determine Target RAM address for
1055 * writing board data.
1057 if (ar->hw.board_addr != 0) {
1058 board_address = ar->hw.board_addr;
1059 ath6kl_bmi_write(ar,
1060 ath6kl_get_hi_item_addr(ar,
1061 HI_ITEM(hi_board_data)),
1062 (u8 *) &board_address, 4);
1065 ath6kl_get_hi_item_addr(ar,
1066 HI_ITEM(hi_board_data)),
1067 (u8 *) &board_address, 4);
1070 /* determine where in target ram to write extended board data */
1072 ath6kl_get_hi_item_addr(ar,
1073 HI_ITEM(hi_board_ext_data)),
1074 (u8 *) &board_ext_address, 4);
1076 if (ar->target_type == TARGET_TYPE_AR6003 &&
1077 board_ext_address == 0) {
1078 ath6kl_err("Failed to get board file target address.\n");
1082 switch (ar->target_type) {
1083 case TARGET_TYPE_AR6003:
1084 board_data_size = AR6003_BOARD_DATA_SZ;
1085 board_ext_data_size = AR6003_BOARD_EXT_DATA_SZ;
1087 case TARGET_TYPE_AR6004:
1088 board_data_size = AR6004_BOARD_DATA_SZ;
1089 board_ext_data_size = AR6004_BOARD_EXT_DATA_SZ;
1097 if (board_ext_address &&
1098 ar->fw_board_len == (board_data_size + board_ext_data_size)) {
1100 /* write extended board data */
1101 ath6kl_dbg(ATH6KL_DBG_BOOT,
1102 "writing extended board data to 0x%x (%d B)\n",
1103 board_ext_address, board_ext_data_size);
1105 ret = ath6kl_bmi_write(ar, board_ext_address,
1106 ar->fw_board + board_data_size,
1107 board_ext_data_size);
1109 ath6kl_err("Failed to write extended board data: %d\n",
1114 /* record that extended board data is initialized */
1115 param = (board_ext_data_size << 16) | 1;
1117 ath6kl_bmi_write(ar,
1118 ath6kl_get_hi_item_addr(ar,
1119 HI_ITEM(hi_board_ext_data_config)),
1120 (unsigned char *) ¶m, 4);
1123 if (ar->fw_board_len < board_data_size) {
1124 ath6kl_err("Too small board file: %zu\n", ar->fw_board_len);
1129 ath6kl_dbg(ATH6KL_DBG_BOOT, "writing board file to 0x%x (%d B)\n",
1130 board_address, board_data_size);
1132 ret = ath6kl_bmi_write(ar, board_address, ar->fw_board,
1136 ath6kl_err("Board file bmi write failed: %d\n", ret);
1140 /* record the fact that Board Data IS initialized */
1142 ath6kl_bmi_write(ar,
1143 ath6kl_get_hi_item_addr(ar,
1144 HI_ITEM(hi_board_data_initialized)),
1150 static int ath6kl_upload_otp(struct ath6kl *ar)
1153 bool from_hw = false;
1156 if (ar->fw_otp == NULL)
1159 address = ar->hw.app_load_addr;
1161 ath6kl_dbg(ATH6KL_DBG_BOOT, "writing otp to 0x%x (%zd B)\n", address,
1164 ret = ath6kl_bmi_fast_download(ar, address, ar->fw_otp,
1167 ath6kl_err("Failed to upload OTP file: %d\n", ret);
1171 /* read firmware start address */
1172 ret = ath6kl_bmi_read(ar,
1173 ath6kl_get_hi_item_addr(ar,
1174 HI_ITEM(hi_app_start)),
1175 (u8 *) &address, sizeof(address));
1178 ath6kl_err("Failed to read hi_app_start: %d\n", ret);
1182 if (ar->hw.app_start_override_addr == 0) {
1183 ar->hw.app_start_override_addr = address;
1187 ath6kl_dbg(ATH6KL_DBG_BOOT, "app_start_override_addr%s 0x%x\n",
1188 from_hw ? " (from hw)" : "",
1189 ar->hw.app_start_override_addr);
1191 /* execute the OTP code */
1192 ath6kl_dbg(ATH6KL_DBG_BOOT, "executing OTP at 0x%x\n",
1193 ar->hw.app_start_override_addr);
1195 ath6kl_bmi_execute(ar, ar->hw.app_start_override_addr, ¶m);
1200 static int ath6kl_upload_firmware(struct ath6kl *ar)
1205 if (WARN_ON(ar->fw == NULL))
1208 address = ar->hw.app_load_addr;
1210 ath6kl_dbg(ATH6KL_DBG_BOOT, "writing firmware to 0x%x (%zd B)\n",
1211 address, ar->fw_len);
1213 ret = ath6kl_bmi_fast_download(ar, address, ar->fw, ar->fw_len);
1216 ath6kl_err("Failed to write firmware: %d\n", ret);
1221 * Set starting address for firmware
1222 * Don't need to setup app_start override addr on AR6004
1224 if (ar->target_type != TARGET_TYPE_AR6004) {
1225 address = ar->hw.app_start_override_addr;
1226 ath6kl_bmi_set_app_start(ar, address);
1231 static int ath6kl_upload_patch(struct ath6kl *ar)
1236 if (ar->fw_patch == NULL)
1239 address = ar->hw.dataset_patch_addr;
1241 ath6kl_dbg(ATH6KL_DBG_BOOT, "writing patch to 0x%x (%zd B)\n",
1242 address, ar->fw_patch_len);
1244 ret = ath6kl_bmi_write(ar, address, ar->fw_patch, ar->fw_patch_len);
1246 ath6kl_err("Failed to write patch file: %d\n", ret);
1251 ath6kl_bmi_write(ar,
1252 ath6kl_get_hi_item_addr(ar,
1253 HI_ITEM(hi_dset_list_head)),
1254 (unsigned char *) ¶m, 4);
1259 static int ath6kl_init_upload(struct ath6kl *ar)
1261 u32 param, options, sleep, address;
1264 if (ar->target_type != TARGET_TYPE_AR6003 &&
1265 ar->target_type != TARGET_TYPE_AR6004)
1268 /* temporarily disable system sleep */
1269 address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS;
1270 status = ath6kl_bmi_reg_read(ar, address, ¶m);
1276 param |= ATH6KL_OPTION_SLEEP_DISABLE;
1277 status = ath6kl_bmi_reg_write(ar, address, param);
1281 address = RTC_BASE_ADDRESS + SYSTEM_SLEEP_ADDRESS;
1282 status = ath6kl_bmi_reg_read(ar, address, ¶m);
1288 param |= SM(SYSTEM_SLEEP_DISABLE, 1);
1289 status = ath6kl_bmi_reg_write(ar, address, param);
1293 ath6kl_dbg(ATH6KL_DBG_TRC, "old options: %d, old sleep: %d\n",
1296 /* program analog PLL register */
1297 /* no need to control 40/44MHz clock on AR6004 */
1298 if (ar->target_type != TARGET_TYPE_AR6004) {
1299 status = ath6kl_bmi_reg_write(ar, ATH6KL_ANALOG_PLL_REGISTER,
1305 /* Run at 80/88MHz by default */
1306 param = SM(CPU_CLOCK_STANDARD, 1);
1308 address = RTC_BASE_ADDRESS + CPU_CLOCK_ADDRESS;
1309 status = ath6kl_bmi_reg_write(ar, address, param);
1315 address = RTC_BASE_ADDRESS + LPO_CAL_ADDRESS;
1316 param = SM(LPO_CAL_ENABLE, 1);
1317 status = ath6kl_bmi_reg_write(ar, address, param);
1321 /* WAR to avoid SDIO CRC err */
1322 if (ar->version.target_ver == AR6003_HW_2_0_VERSION) {
1323 ath6kl_err("temporary war to avoid sdio crc error\n");
1327 address = GPIO_BASE_ADDRESS + GPIO_PIN10_ADDRESS;
1328 status = ath6kl_bmi_reg_write(ar, address, param);
1332 address = GPIO_BASE_ADDRESS + GPIO_PIN11_ADDRESS;
1333 status = ath6kl_bmi_reg_write(ar, address, param);
1337 address = GPIO_BASE_ADDRESS + GPIO_PIN12_ADDRESS;
1338 status = ath6kl_bmi_reg_write(ar, address, param);
1342 address = GPIO_BASE_ADDRESS + GPIO_PIN13_ADDRESS;
1343 status = ath6kl_bmi_reg_write(ar, address, param);
1348 /* write EEPROM data to Target RAM */
1349 status = ath6kl_upload_board_file(ar);
1353 /* transfer One time Programmable data */
1354 status = ath6kl_upload_otp(ar);
1358 /* Download Target firmware */
1359 status = ath6kl_upload_firmware(ar);
1363 status = ath6kl_upload_patch(ar);
1367 /* Restore system sleep */
1368 address = RTC_BASE_ADDRESS + SYSTEM_SLEEP_ADDRESS;
1369 status = ath6kl_bmi_reg_write(ar, address, sleep);
1373 address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS;
1374 param = options | 0x20;
1375 status = ath6kl_bmi_reg_write(ar, address, param);
1382 static int ath6kl_init_hw_params(struct ath6kl *ar)
1384 const struct ath6kl_hw *hw;
1387 for (i = 0; i < ARRAY_SIZE(hw_list); i++) {
1390 if (hw->id == ar->version.target_ver)
1394 if (i == ARRAY_SIZE(hw_list)) {
1395 ath6kl_err("Unsupported hardware version: 0x%x\n",
1396 ar->version.target_ver);
1402 ath6kl_dbg(ATH6KL_DBG_BOOT,
1403 "target_ver 0x%x target_type 0x%x dataset_patch 0x%x app_load_addr 0x%x\n",
1404 ar->version.target_ver, ar->target_type,
1405 ar->hw.dataset_patch_addr, ar->hw.app_load_addr);
1406 ath6kl_dbg(ATH6KL_DBG_BOOT,
1407 "app_start_override_addr 0x%x board_ext_data_addr 0x%x reserved_ram_size 0x%x",
1408 ar->hw.app_start_override_addr, ar->hw.board_ext_data_addr,
1409 ar->hw.reserved_ram_size);
1410 ath6kl_dbg(ATH6KL_DBG_BOOT,
1411 "refclk_hz %d uarttx_pin %d",
1412 ar->hw.refclk_hz, ar->hw.uarttx_pin);
1417 static const char *ath6kl_init_get_hif_name(enum ath6kl_hif_type type)
1420 case ATH6KL_HIF_TYPE_SDIO:
1422 case ATH6KL_HIF_TYPE_USB:
1429 int ath6kl_init_hw_start(struct ath6kl *ar)
1434 ath6kl_dbg(ATH6KL_DBG_BOOT, "hw start\n");
1436 ret = ath6kl_hif_power_on(ar);
1440 ret = ath6kl_configure_target(ar);
1444 ret = ath6kl_init_upload(ar);
1448 /* Do we need to finish the BMI phase */
1449 /* FIXME: return error from ath6kl_bmi_done() */
1450 if (ath6kl_bmi_done(ar)) {
1456 * The reason we have to wait for the target here is that the
1457 * driver layer has to init BMI in order to set the host block
1460 if (ath6kl_htc_wait_target(ar->htc_target)) {
1465 if (ath6kl_init_service_ep(ar)) {
1467 goto err_cleanup_scatter;
1470 /* setup credit distribution */
1471 ath6kl_credit_setup(ar->htc_target, &ar->credit_state_info);
1474 ret = ath6kl_htc_start(ar->htc_target);
1476 /* FIXME: call this */
1477 ath6kl_cookie_cleanup(ar);
1478 goto err_cleanup_scatter;
1481 /* Wait for Wmi event to be ready */
1482 timeleft = wait_event_interruptible_timeout(ar->event_wq,
1487 ath6kl_dbg(ATH6KL_DBG_BOOT, "firmware booted\n");
1490 if (test_and_clear_bit(FIRST_BOOT, &ar->flag)) {
1491 ath6kl_info("%s %s fw %s%s\n",
1493 ath6kl_init_get_hif_name(ar->hif_type),
1494 ar->wiphy->fw_version,
1495 test_bit(TESTMODE, &ar->flag) ? " testmode" : "");
1498 if (ar->version.abi_ver != ATH6KL_ABI_VERSION) {
1499 ath6kl_err("abi version mismatch: host(0x%x), target(0x%x)\n",
1500 ATH6KL_ABI_VERSION, ar->version.abi_ver);
1505 if (!timeleft || signal_pending(current)) {
1506 ath6kl_err("wmi is not ready or wait was interrupted\n");
1511 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: wmi is ready\n", __func__);
1513 /* communicate the wmi protocol verision to the target */
1514 /* FIXME: return error */
1515 if ((ath6kl_set_host_app_area(ar)) != 0)
1516 ath6kl_err("unable to set the host app area\n");
1518 for (i = 0; i < ar->vif_max; i++) {
1519 ret = ath6kl_target_config_wlan_params(ar, i);
1524 ar->state = ATH6KL_STATE_ON;
1529 ath6kl_htc_stop(ar->htc_target);
1530 err_cleanup_scatter:
1531 ath6kl_hif_cleanup_scatter(ar);
1533 ath6kl_hif_power_off(ar);
1538 int ath6kl_init_hw_stop(struct ath6kl *ar)
1542 ath6kl_dbg(ATH6KL_DBG_BOOT, "hw stop\n");
1544 ath6kl_htc_stop(ar->htc_target);
1546 ath6kl_hif_stop(ar);
1548 ath6kl_bmi_reset(ar);
1550 ret = ath6kl_hif_power_off(ar);
1552 ath6kl_warn("failed to power off hif: %d\n", ret);
1554 ar->state = ATH6KL_STATE_OFF;
1559 int ath6kl_core_init(struct ath6kl *ar)
1561 struct ath6kl_bmi_target_info targ_info;
1562 struct net_device *ndev;
1565 ar->ath6kl_wq = create_singlethread_workqueue("ath6kl");
1569 ret = ath6kl_bmi_init(ar);
1574 * Turn on power to get hardware (target) version and leave power
1575 * on delibrately as we will boot the hardware anyway within few
1578 ret = ath6kl_hif_power_on(ar);
1580 goto err_bmi_cleanup;
1582 ret = ath6kl_bmi_get_target_info(ar, &targ_info);
1586 ar->version.target_ver = le32_to_cpu(targ_info.version);
1587 ar->target_type = le32_to_cpu(targ_info.type);
1588 ar->wiphy->hw_version = le32_to_cpu(targ_info.version);
1590 ret = ath6kl_init_hw_params(ar);
1594 ar->htc_target = ath6kl_htc_create(ar);
1596 if (!ar->htc_target) {
1601 ret = ath6kl_fetch_firmwares(ar);
1603 goto err_htc_cleanup;
1605 /* FIXME: we should free all firmwares in the error cases below */
1607 /* Indicate that WMI is enabled (although not ready yet) */
1608 set_bit(WMI_ENABLED, &ar->flag);
1609 ar->wmi = ath6kl_wmi_init(ar);
1611 ath6kl_err("failed to initialize wmi\n");
1613 goto err_htc_cleanup;
1616 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi);
1618 ret = ath6kl_register_ieee80211_hw(ar);
1620 goto err_node_cleanup;
1622 ret = ath6kl_debug_init(ar);
1624 wiphy_unregister(ar->wiphy);
1625 goto err_node_cleanup;
1628 for (i = 0; i < ar->vif_max; i++)
1629 ar->avail_idx_map |= BIT(i);
1633 /* Add an initial station interface */
1634 ndev = ath6kl_interface_add(ar, "wlan%d", NL80211_IFTYPE_STATION, 0,
1640 ath6kl_err("Failed to instantiate a network device\n");
1642 wiphy_unregister(ar->wiphy);
1643 goto err_debug_init;
1647 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n",
1648 __func__, ndev->name, ndev, ar);
1650 /* setup access class priority mappings */
1651 ar->ac_stream_pri_map[WMM_AC_BK] = 0; /* lowest */
1652 ar->ac_stream_pri_map[WMM_AC_BE] = 1;
1653 ar->ac_stream_pri_map[WMM_AC_VI] = 2;
1654 ar->ac_stream_pri_map[WMM_AC_VO] = 3; /* highest */
1656 /* give our connected endpoints some buffers */
1657 ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep);
1658 ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]);
1660 /* allocate some buffers that handle larger AMSDU frames */
1661 ath6kl_refill_amsdu_rxbufs(ar, ATH6KL_MAX_AMSDU_RX_BUFFERS);
1663 ath6kl_cookie_init(ar);
1665 ar->conf_flags = ATH6KL_CONF_IGNORE_ERP_BARKER |
1666 ATH6KL_CONF_ENABLE_11N | ATH6KL_CONF_ENABLE_TX_BURST;
1668 if (suspend_cutpower)
1669 ar->conf_flags |= ATH6KL_CONF_SUSPEND_CUTPOWER;
1671 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
1672 WIPHY_FLAG_HAVE_AP_SME |
1673 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
1674 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
1676 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities))
1677 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
1679 ar->wiphy->probe_resp_offload =
1680 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
1681 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
1682 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P |
1683 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U;
1685 set_bit(FIRST_BOOT, &ar->flag);
1687 ret = ath6kl_init_hw_start(ar);
1689 ath6kl_err("Failed to start hardware: %d\n", ret);
1690 goto err_rxbuf_cleanup;
1694 * Set mac address which is received in ready event
1695 * FIXME: Move to ath6kl_interface_add()
1697 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
1702 ath6kl_htc_flush_rx_buf(ar->htc_target);
1703 ath6kl_cleanup_amsdu_rxbufs(ar);
1705 ath6kl_deinit_if_data(netdev_priv(ndev));
1707 wiphy_unregister(ar->wiphy);
1709 ath6kl_debug_cleanup(ar);
1711 ath6kl_wmi_shutdown(ar->wmi);
1712 clear_bit(WMI_ENABLED, &ar->flag);
1715 ath6kl_htc_cleanup(ar->htc_target);
1717 ath6kl_hif_power_off(ar);
1719 ath6kl_bmi_cleanup(ar);
1721 destroy_workqueue(ar->ath6kl_wq);
1726 void ath6kl_cleanup_vif(struct ath6kl_vif *vif, bool wmi_ready)
1728 static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1731 netif_stop_queue(vif->ndev);
1733 clear_bit(WLAN_ENABLED, &vif->flags);
1736 discon_issued = test_bit(CONNECTED, &vif->flags) ||
1737 test_bit(CONNECT_PEND, &vif->flags);
1738 ath6kl_disconnect(vif);
1739 del_timer(&vif->disconnect_timer);
1742 ath6kl_disconnect_event(vif, DISCONNECT_CMD,
1743 (vif->nw_type & AP_NETWORK) ?
1744 bcast_mac : vif->bssid,
1748 if (vif->scan_req) {
1749 cfg80211_scan_done(vif->scan_req, true);
1750 vif->scan_req = NULL;
1754 void ath6kl_stop_txrx(struct ath6kl *ar)
1756 struct ath6kl_vif *vif, *tmp_vif;
1758 set_bit(DESTROY_IN_PROGRESS, &ar->flag);
1760 if (down_interruptible(&ar->sem)) {
1761 ath6kl_err("down_interruptible failed\n");
1765 spin_lock_bh(&ar->list_lock);
1766 list_for_each_entry_safe(vif, tmp_vif, &ar->vif_list, list) {
1767 list_del(&vif->list);
1768 spin_unlock_bh(&ar->list_lock);
1769 ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag));
1771 ath6kl_deinit_if_data(vif);
1773 spin_lock_bh(&ar->list_lock);
1775 spin_unlock_bh(&ar->list_lock);
1777 clear_bit(WMI_READY, &ar->flag);
1780 * After wmi_shudown all WMI events will be dropped. We
1781 * need to cleanup the buffers allocated in AP mode and
1782 * give disconnect notification to stack, which usually
1783 * happens in the disconnect_event. Simulate the disconnect
1784 * event by calling the function directly. Sometimes
1785 * disconnect_event will be received when the debug logs
1788 ath6kl_wmi_shutdown(ar->wmi);
1790 clear_bit(WMI_ENABLED, &ar->flag);
1791 if (ar->htc_target) {
1792 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: shut down htc\n", __func__);
1793 ath6kl_htc_stop(ar->htc_target);
1797 * Try to reset the device if we can. The driver may have been
1798 * configure NOT to reset the target during a debug session.
1800 ath6kl_dbg(ATH6KL_DBG_TRC,
1801 "attempting to reset target on instance destroy\n");
1802 ath6kl_reset_device(ar, ar->target_type, true, true);
1804 clear_bit(WLAN_ENABLED, &ar->flag);