3 * Copyright (c) 2011 Atheros Communications Inc.
4 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
21 #include <linux/moduleparam.h>
22 #include <linux/errno.h>
23 #include <linux/export.h>
25 #include <linux/mmc/sdio_func.h>
26 #include <linux/vmalloc.h>
35 static const struct ath6kl_hw hw_list[] = {
37 .id = AR6003_HW_2_0_VERSION,
38 .name = "ar6003 hw 2.0",
39 .dataset_patch_addr = 0x57e884,
40 .app_load_addr = 0x543180,
41 .board_ext_data_addr = 0x57e500,
42 .reserved_ram_size = 6912,
43 .refclk_hz = 26000000,
45 .flags = ATH6KL_HW_SDIO_CRC_ERROR_WAR,
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,
58 .fw_board = AR6003_HW_2_0_BOARD_DATA_FILE,
59 .fw_default_board = AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE,
62 .id = AR6003_HW_2_1_1_VERSION,
63 .name = "ar6003 hw 2.1.1",
64 .dataset_patch_addr = 0x57ff74,
65 .app_load_addr = 0x1234,
66 .board_ext_data_addr = 0x542330,
67 .reserved_ram_size = 512,
68 .refclk_hz = 26000000,
70 .testscript_addr = 0x57ef74,
71 .flags = ATH6KL_HW_SDIO_CRC_ERROR_WAR,
74 .dir = AR6003_HW_2_1_1_FW_DIR,
75 .otp = AR6003_HW_2_1_1_OTP_FILE,
76 .fw = AR6003_HW_2_1_1_FIRMWARE_FILE,
77 .tcmd = AR6003_HW_2_1_1_TCMD_FIRMWARE_FILE,
78 .patch = AR6003_HW_2_1_1_PATCH_FILE,
79 .utf = AR6003_HW_2_1_1_UTF_FIRMWARE_FILE,
80 .testscript = AR6003_HW_2_1_1_TESTSCRIPT_FILE,
83 .fw_board = AR6003_HW_2_1_1_BOARD_DATA_FILE,
84 .fw_default_board = AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE,
87 .id = AR6004_HW_1_0_VERSION,
88 .name = "ar6004 hw 1.0",
89 .dataset_patch_addr = 0x57e884,
90 .app_load_addr = 0x1234,
91 .board_ext_data_addr = 0x437000,
92 .reserved_ram_size = 19456,
93 .board_addr = 0x433900,
94 .refclk_hz = 26000000,
99 .dir = AR6004_HW_1_0_FW_DIR,
100 .fw = AR6004_HW_1_0_FIRMWARE_FILE,
103 .fw_board = AR6004_HW_1_0_BOARD_DATA_FILE,
104 .fw_default_board = AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE,
107 .id = AR6004_HW_1_1_VERSION,
108 .name = "ar6004 hw 1.1",
109 .dataset_patch_addr = 0x57e884,
110 .app_load_addr = 0x1234,
111 .board_ext_data_addr = 0x437000,
112 .reserved_ram_size = 11264,
113 .board_addr = 0x43d400,
114 .refclk_hz = 40000000,
118 .dir = AR6004_HW_1_1_FW_DIR,
119 .fw = AR6004_HW_1_1_FIRMWARE_FILE,
122 .fw_board = AR6004_HW_1_1_BOARD_DATA_FILE,
123 .fw_default_board = AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE,
126 .id = AR6004_HW_1_2_VERSION,
127 .name = "ar6004 hw 1.2",
128 .dataset_patch_addr = 0x436ecc,
129 .app_load_addr = 0x1234,
130 .board_ext_data_addr = 0x437000,
131 .reserved_ram_size = 9216,
132 .board_addr = 0x435c00,
133 .refclk_hz = 40000000,
138 .dir = AR6004_HW_1_2_FW_DIR,
139 .fw = AR6004_HW_1_2_FIRMWARE_FILE,
141 .fw_board = AR6004_HW_1_2_BOARD_DATA_FILE,
142 .fw_default_board = AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE,
145 .id = AR6004_HW_1_3_VERSION,
146 .name = "ar6004 hw 1.3",
147 .dataset_patch_addr = 0x437860,
148 .app_load_addr = 0x1234,
149 .board_ext_data_addr = 0x437000,
150 .reserved_ram_size = 7168,
151 .board_addr = 0x436400,
157 .dir = AR6004_HW_1_3_FW_DIR,
158 .fw = AR6004_HW_1_3_FIRMWARE_FILE,
159 .tcmd = AR6004_HW_1_3_TCMD_FIRMWARE_FILE,
160 .utf = AR6004_HW_1_3_UTF_FIRMWARE_FILE,
161 .testscript = AR6004_HW_1_3_TESTSCRIPT_FILE,
164 .fw_board = AR6004_HW_1_3_BOARD_DATA_FILE,
165 .fw_default_board = AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE,
168 .id = AR6004_HW_3_0_VERSION,
169 .name = "ar6004 hw 3.0",
170 .dataset_patch_addr = 0,
171 .app_load_addr = 0x1234,
172 .board_ext_data_addr = 0,
173 .reserved_ram_size = 7168,
174 .board_addr = 0x436400,
175 .testscript_addr = 0,
180 .dir = AR6004_HW_3_0_FW_DIR,
181 .fw = AR6004_HW_3_0_FIRMWARE_FILE,
182 .tcmd = AR6004_HW_3_0_TCMD_FIRMWARE_FILE,
183 .utf = AR6004_HW_3_0_UTF_FIRMWARE_FILE,
184 .testscript = AR6004_HW_3_0_TESTSCRIPT_FILE,
187 .fw_board = AR6004_HW_3_0_BOARD_DATA_FILE,
188 .fw_default_board = AR6004_HW_3_0_DEFAULT_BOARD_DATA_FILE,
193 * Include definitions here that can be used to tune the WLAN module
194 * behavior. Different customers can tune the behavior as per their needs,
199 * This configuration item enable/disable keepalive support.
200 * Keepalive support: In the absence of any data traffic to AP, null
201 * frames will be sent to the AP at periodic interval, to keep the association
202 * active. This configuration item defines the periodic interval.
203 * Use value of zero to disable keepalive support
204 * Default: 60 seconds
206 #define WLAN_CONFIG_KEEP_ALIVE_INTERVAL 60
209 * This configuration item sets the value of disconnect timeout
210 * Firmware delays sending the disconnec event to the host for this
211 * timeout after is gets disconnected from the current AP.
212 * If the firmware successly roams within the disconnect timeout
213 * it sends a new connect event
215 #define WLAN_CONFIG_DISCONNECT_TIMEOUT 10
218 #define ATH6KL_DATA_OFFSET 64
219 struct sk_buff *ath6kl_buf_alloc(int size)
224 /* Add chacheline space at front and back of buffer */
225 reserved = roundup((2 * L1_CACHE_BYTES) + ATH6KL_DATA_OFFSET +
226 sizeof(struct htc_packet) + ATH6KL_HTC_ALIGN_BYTES, 4);
227 skb = dev_alloc_skb(size + reserved);
230 skb_reserve(skb, reserved - L1_CACHE_BYTES);
234 void ath6kl_init_profile_info(struct ath6kl_vif *vif)
237 memset(vif->ssid, 0, sizeof(vif->ssid));
239 vif->dot11_auth_mode = OPEN_AUTH;
240 vif->auth_mode = NONE_AUTH;
241 vif->prwise_crypto = NONE_CRYPT;
242 vif->prwise_crypto_len = 0;
243 vif->grp_crypto = NONE_CRYPT;
244 vif->grp_crypto_len = 0;
245 memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list));
246 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
247 memset(vif->bssid, 0, sizeof(vif->bssid));
251 static int ath6kl_set_host_app_area(struct ath6kl *ar)
254 struct host_app_area host_app_area;
256 /* Fetch the address of the host_app_area_s
257 * instance in the host interest area */
258 address = ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_app_host_interest));
259 address = TARG_VTOP(ar->target_type, address);
261 if (ath6kl_diag_read32(ar, address, &data))
264 address = TARG_VTOP(ar->target_type, data);
265 host_app_area.wmi_protocol_ver = cpu_to_le32(WMI_PROTOCOL_VERSION);
266 if (ath6kl_diag_write(ar, address, (u8 *) &host_app_area,
267 sizeof(struct host_app_area)))
273 static inline void set_ac2_ep_map(struct ath6kl *ar,
275 enum htc_endpoint_id ep)
277 ar->ac2ep_map[ac] = ep;
278 ar->ep2ac_map[ep] = ac;
281 /* connect to a service */
282 static int ath6kl_connectservice(struct ath6kl *ar,
283 struct htc_service_connect_req *con_req,
287 struct htc_service_connect_resp response;
289 memset(&response, 0, sizeof(response));
291 status = ath6kl_htc_conn_service(ar->htc_target, con_req, &response);
293 ath6kl_err("failed to connect to %s service status:%d\n",
298 switch (con_req->svc_id) {
299 case WMI_CONTROL_SVC:
300 if (test_bit(WMI_ENABLED, &ar->flag))
301 ath6kl_wmi_set_control_ep(ar->wmi, response.endpoint);
302 ar->ctrl_ep = response.endpoint;
304 case WMI_DATA_BE_SVC:
305 set_ac2_ep_map(ar, WMM_AC_BE, response.endpoint);
307 case WMI_DATA_BK_SVC:
308 set_ac2_ep_map(ar, WMM_AC_BK, response.endpoint);
310 case WMI_DATA_VI_SVC:
311 set_ac2_ep_map(ar, WMM_AC_VI, response.endpoint);
313 case WMI_DATA_VO_SVC:
314 set_ac2_ep_map(ar, WMM_AC_VO, response.endpoint);
317 ath6kl_err("service id is not mapped %d\n", con_req->svc_id);
324 static int ath6kl_init_service_ep(struct ath6kl *ar)
326 struct htc_service_connect_req connect;
328 memset(&connect, 0, sizeof(connect));
330 /* these fields are the same for all service endpoints */
331 connect.ep_cb.tx_comp_multi = ath6kl_tx_complete;
332 connect.ep_cb.rx = ath6kl_rx;
333 connect.ep_cb.rx_refill = ath6kl_rx_refill;
334 connect.ep_cb.tx_full = ath6kl_tx_queue_full;
337 * Set the max queue depth so that our ath6kl_tx_queue_full handler
340 connect.max_txq_depth = MAX_DEFAULT_SEND_QUEUE_DEPTH;
341 connect.ep_cb.rx_refill_thresh = ATH6KL_MAX_RX_BUFFERS / 4;
342 if (!connect.ep_cb.rx_refill_thresh)
343 connect.ep_cb.rx_refill_thresh++;
345 /* connect to control service */
346 connect.svc_id = WMI_CONTROL_SVC;
347 if (ath6kl_connectservice(ar, &connect, "WMI CONTROL"))
350 connect.flags |= HTC_FLGS_TX_BNDL_PAD_EN;
353 * Limit the HTC message size on the send path, although e can
354 * receive A-MSDU frames of 4K, we will only send ethernet-sized
355 * (802.3) frames on the send path.
357 connect.max_rxmsg_sz = WMI_MAX_TX_DATA_FRAME_LENGTH;
360 * To reduce the amount of committed memory for larger A_MSDU
361 * frames, use the recv-alloc threshold mechanism for larger
364 connect.ep_cb.rx_alloc_thresh = ATH6KL_BUFFER_SIZE;
365 connect.ep_cb.rx_allocthresh = ath6kl_alloc_amsdu_rxbuf;
368 * For the remaining data services set the connection flag to
369 * reduce dribbling, if configured to do so.
371 connect.conn_flags |= HTC_CONN_FLGS_REDUCE_CRED_DRIB;
372 connect.conn_flags &= ~HTC_CONN_FLGS_THRESH_MASK;
373 connect.conn_flags |= HTC_CONN_FLGS_THRESH_LVL_HALF;
375 connect.svc_id = WMI_DATA_BE_SVC;
377 if (ath6kl_connectservice(ar, &connect, "WMI DATA BE"))
380 /* connect to back-ground map this to WMI LOW_PRI */
381 connect.svc_id = WMI_DATA_BK_SVC;
382 if (ath6kl_connectservice(ar, &connect, "WMI DATA BK"))
385 /* connect to Video service, map this to HI PRI */
386 connect.svc_id = WMI_DATA_VI_SVC;
387 if (ath6kl_connectservice(ar, &connect, "WMI DATA VI"))
391 * Connect to VO service, this is currently not mapped to a WMI
392 * priority stream due to historical reasons. WMI originally
393 * defined 3 priorities over 3 mailboxes We can change this when
394 * WMI is reworked so that priorities are not dependent on
397 connect.svc_id = WMI_DATA_VO_SVC;
398 if (ath6kl_connectservice(ar, &connect, "WMI DATA VO"))
404 void ath6kl_init_control_info(struct ath6kl_vif *vif)
406 ath6kl_init_profile_info(vif);
407 vif->def_txkey_index = 0;
408 memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list));
413 * Set HTC/Mbox operational parameters, this can only be called when the
414 * target is in the BMI phase.
416 static int ath6kl_set_htc_params(struct ath6kl *ar, u32 mbox_isr_yield_val,
422 blk_size = ar->mbox_info.block_size;
425 blk_size |= ((u32)htc_ctrl_buf) << 16;
427 /* set the host interest area for the block size */
428 status = ath6kl_bmi_write_hi32(ar, hi_mbox_io_block_sz, blk_size);
430 ath6kl_err("bmi_write_memory for IO block size failed\n");
434 ath6kl_dbg(ATH6KL_DBG_TRC, "block size set: %d (target addr:0x%X)\n",
436 ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_mbox_io_block_sz)));
438 if (mbox_isr_yield_val) {
439 /* set the host interest area for the mbox ISR yield limit */
440 status = ath6kl_bmi_write_hi32(ar, hi_mbox_isr_yield_limit,
443 ath6kl_err("bmi_write_memory for yield limit failed\n");
452 static int ath6kl_target_config_wlan_params(struct ath6kl *ar, int idx)
457 * Configure the device for rx dot11 header rules. "0,0" are the
458 * default values. Required if checksum offload is needed. Set
459 * RxMetaVersion to 2.
461 ret = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, idx,
462 ar->rx_meta_ver, 0, 0);
464 ath6kl_err("unable to set the rx frame format: %d\n", ret);
468 if (ar->conf_flags & ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN) {
469 ret = ath6kl_wmi_pmparams_cmd(ar->wmi, idx, 0, 1, 0, 0, 1,
470 IGNORE_PS_FAIL_DURING_SCAN);
472 ath6kl_err("unable to set power save fail event policy: %d\n",
478 if (!(ar->conf_flags & ATH6KL_CONF_IGNORE_ERP_BARKER)) {
479 ret = ath6kl_wmi_set_lpreamble_cmd(ar->wmi, idx, 0,
480 WMI_FOLLOW_BARKER_IN_ERP);
482 ath6kl_err("unable to set barker preamble policy: %d\n",
488 ret = ath6kl_wmi_set_keepalive_cmd(ar->wmi, idx,
489 WLAN_CONFIG_KEEP_ALIVE_INTERVAL);
491 ath6kl_err("unable to set keep alive interval: %d\n", ret);
495 ret = ath6kl_wmi_disctimeout_cmd(ar->wmi, idx,
496 WLAN_CONFIG_DISCONNECT_TIMEOUT);
498 ath6kl_err("unable to set disconnect timeout: %d\n", ret);
502 if (!(ar->conf_flags & ATH6KL_CONF_ENABLE_TX_BURST)) {
503 ret = ath6kl_wmi_set_wmm_txop(ar->wmi, idx, WMI_TXOP_DISABLED);
505 ath6kl_err("unable to set txop bursting: %d\n", ret);
510 if (ar->p2p && (ar->vif_max == 1 || idx)) {
511 ret = ath6kl_wmi_info_req_cmd(ar->wmi, idx,
512 P2P_FLAG_CAPABILITIES_REQ |
513 P2P_FLAG_MACADDR_REQ |
514 P2P_FLAG_HMODEL_REQ);
516 ath6kl_dbg(ATH6KL_DBG_TRC,
517 "failed to request P2P capabilities (%d) - assuming P2P not supported\n",
523 if (ar->p2p && (ar->vif_max == 1 || idx)) {
524 /* Enable Probe Request reporting for P2P */
525 ret = ath6kl_wmi_probe_report_req_cmd(ar->wmi, idx, true);
527 ath6kl_dbg(ATH6KL_DBG_TRC,
528 "failed to enable Probe Request reporting (%d)\n",
536 int ath6kl_configure_target(struct ath6kl *ar)
538 u32 param, ram_reserved_size;
539 u8 fw_iftype, fw_mode = 0, fw_submode = 0;
542 param = !!(ar->conf_flags & ATH6KL_CONF_UART_DEBUG);
543 if (ath6kl_bmi_write_hi32(ar, hi_serial_enable, param)) {
544 ath6kl_err("bmi_write_memory for uart debug failed\n");
549 * Note: Even though the firmware interface type is
550 * chosen as BSS_STA for all three interfaces, can
551 * be configured to IBSS/AP as long as the fw submode
552 * remains normal mode (0 - AP, STA and IBSS). But
553 * due to an target assert in firmware only one interface is
554 * configured for now.
556 fw_iftype = HI_OPTION_FW_MODE_BSS_STA;
558 for (i = 0; i < ar->vif_max; i++)
559 fw_mode |= fw_iftype << (i * HI_OPTION_FW_MODE_BITS);
562 * Submodes when fw does not support dynamic interface
564 * vif[0] - AP/STA/IBSS
565 * vif[1] - "P2P dev"/"P2P GO"/"P2P Client"
566 * vif[2] - "P2P dev"/"P2P GO"/"P2P Client"
567 * Otherwise, All the interface are initialized to p2p dev.
570 if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
571 ar->fw_capabilities)) {
572 for (i = 0; i < ar->vif_max; i++)
573 fw_submode |= HI_OPTION_FW_SUBMODE_P2PDEV <<
574 (i * HI_OPTION_FW_SUBMODE_BITS);
576 for (i = 0; i < ar->max_norm_iface; i++)
577 fw_submode |= HI_OPTION_FW_SUBMODE_NONE <<
578 (i * HI_OPTION_FW_SUBMODE_BITS);
580 for (i = ar->max_norm_iface; i < ar->vif_max; i++)
581 fw_submode |= HI_OPTION_FW_SUBMODE_P2PDEV <<
582 (i * HI_OPTION_FW_SUBMODE_BITS);
584 if (ar->p2p && ar->vif_max == 1)
585 fw_submode = HI_OPTION_FW_SUBMODE_P2PDEV;
588 if (ath6kl_bmi_write_hi32(ar, hi_app_host_interest,
589 HTC_PROTOCOL_VERSION) != 0) {
590 ath6kl_err("bmi_write_memory for htc version failed\n");
594 /* set the firmware mode to STA/IBSS/AP */
597 if (ath6kl_bmi_read_hi32(ar, hi_option_flag, ¶m) != 0) {
598 ath6kl_err("bmi_read_memory for setting fwmode failed\n");
602 param |= (ar->vif_max << HI_OPTION_NUM_DEV_SHIFT);
603 param |= fw_mode << HI_OPTION_FW_MODE_SHIFT;
604 param |= fw_submode << HI_OPTION_FW_SUBMODE_SHIFT;
606 param |= (0 << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
607 param |= (0 << HI_OPTION_FW_BRIDGE_SHIFT);
609 if (ath6kl_bmi_write_hi32(ar, hi_option_flag, param) != 0) {
610 ath6kl_err("bmi_write_memory for setting fwmode failed\n");
614 ath6kl_dbg(ATH6KL_DBG_TRC, "firmware mode set\n");
617 * Hardcode the address use for the extended board data
618 * Ideally this should be pre-allocate by the OS at boot time
619 * But since it is a new feature and board data is loaded
620 * at init time, we have to workaround this from host.
621 * It is difficult to patch the firmware boot code,
622 * but possible in theory.
625 if ((ar->target_type == TARGET_TYPE_AR6003) ||
626 (ar->version.target_ver == AR6004_HW_1_3_VERSION) ||
627 (ar->version.target_ver == AR6004_HW_3_0_VERSION)) {
628 param = ar->hw.board_ext_data_addr;
629 ram_reserved_size = ar->hw.reserved_ram_size;
631 if (ath6kl_bmi_write_hi32(ar, hi_board_ext_data, param) != 0) {
632 ath6kl_err("bmi_write_memory for hi_board_ext_data failed\n");
636 if (ath6kl_bmi_write_hi32(ar, hi_end_ram_reserve_sz,
637 ram_reserved_size) != 0) {
638 ath6kl_err("bmi_write_memory for hi_end_ram_reserve_sz failed\n");
643 /* set the block size for the target */
644 if (ath6kl_set_htc_params(ar, MBOX_YIELD_LIMIT, 0))
645 /* use default number of control buffers */
648 /* Configure GPIO AR600x UART */
649 status = ath6kl_bmi_write_hi32(ar, hi_dbg_uart_txpin,
654 /* Only set the baud rate if we're actually doing debug */
655 if (ar->conf_flags & ATH6KL_CONF_UART_DEBUG) {
656 status = ath6kl_bmi_write_hi32(ar, hi_desired_baud_rate,
662 /* Configure target refclk_hz */
663 if (ar->hw.refclk_hz != 0) {
664 status = ath6kl_bmi_write_hi32(ar, hi_refclk_hz,
673 /* firmware upload */
674 static int ath6kl_get_fw(struct ath6kl *ar, const char *filename,
675 u8 **fw, size_t *fw_len)
677 const struct firmware *fw_entry;
680 ret = reject_firmware(&fw_entry, filename, ar->dev);
684 *fw_len = fw_entry->size;
685 *fw = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL);
690 release_firmware(fw_entry);
697 * Check the device tree for a board-id and use it to construct
698 * the pathname to the firmware file. /*(DEBLOBBED)*/
699 static bool check_device_tree(struct ath6kl *ar)
701 static const char *board_id_prop = "atheros,board-id";
702 struct device_node *node;
703 char board_filename[64];
704 const char *board_id;
707 for_each_compatible_node(node, NULL, "atheros,ath6kl") {
708 board_id = of_get_property(node, board_id_prop, NULL);
709 if (board_id == NULL) {
710 ath6kl_warn("No \"%s\" property on %s node.\n",
711 board_id_prop, node->name);
714 snprintf(board_filename, sizeof(board_filename),
715 "/*(DEBLOBBED)*/", ar->hw.fw.dir, board_id);
717 ret = ath6kl_get_fw(ar, board_filename, &ar->fw_board,
720 ath6kl_err("Failed to get DT board file %s: %d\n",
721 board_filename, ret);
730 static bool check_device_tree(struct ath6kl *ar)
734 #endif /* CONFIG_OF */
736 static int ath6kl_fetch_board_file(struct ath6kl *ar)
738 const char *filename;
741 if (ar->fw_board != NULL)
744 if (WARN_ON(ar->hw.fw_board == NULL))
747 filename = ar->hw.fw_board;
749 ret = ath6kl_get_fw(ar, filename, &ar->fw_board,
752 /* managed to get proper board file */
756 if (check_device_tree(ar)) {
757 /* got board file from device tree */
761 /* there was no proper board file, try to use default instead */
762 ath6kl_warn("Failed to get board file %s (%d), trying to find default board file.\n",
765 filename = ar->hw.fw_default_board;
767 ret = ath6kl_get_fw(ar, filename, &ar->fw_board,
770 ath6kl_err("Failed to get default board file %s: %d\n",
775 ath6kl_warn("WARNING! No proper board file was not found, instead using a default board file.\n");
776 ath6kl_warn("Most likely your hardware won't work as specified. Install correct board file!\n");
781 static int ath6kl_fetch_otp_file(struct ath6kl *ar)
786 if (ar->fw_otp != NULL)
789 if (ar->hw.fw.otp == NULL) {
790 ath6kl_dbg(ATH6KL_DBG_BOOT,
791 "no OTP file configured for this hw\n");
795 snprintf(filename, sizeof(filename), "%s/%s",
796 ar->hw.fw.dir, ar->hw.fw.otp);
798 ret = ath6kl_get_fw(ar, filename, &ar->fw_otp,
801 ath6kl_err("Failed to get OTP file %s: %d\n",
809 static int ath6kl_fetch_testmode_file(struct ath6kl *ar)
814 if (ar->testmode == 0)
817 ath6kl_dbg(ATH6KL_DBG_BOOT, "testmode %d\n", ar->testmode);
819 if (ar->testmode == 2) {
820 if (ar->hw.fw.utf == NULL) {
821 ath6kl_warn("testmode 2 not supported\n");
825 snprintf(filename, sizeof(filename), "%s/%s",
826 ar->hw.fw.dir, ar->hw.fw.utf);
828 if (ar->hw.fw.tcmd == NULL) {
829 ath6kl_warn("testmode 1 not supported\n");
833 snprintf(filename, sizeof(filename), "%s/%s",
834 ar->hw.fw.dir, ar->hw.fw.tcmd);
837 set_bit(TESTMODE, &ar->flag);
839 ret = ath6kl_get_fw(ar, filename, &ar->fw, &ar->fw_len);
841 ath6kl_err("Failed to get testmode %d firmware file %s: %d\n",
842 ar->testmode, filename, ret);
849 static int ath6kl_fetch_fw_file(struct ath6kl *ar)
857 /* FIXME: remove WARN_ON() as we won't support FW API 1 for long */
858 if (WARN_ON(ar->hw.fw.fw == NULL))
861 snprintf(filename, sizeof(filename), "%s/%s",
862 ar->hw.fw.dir, ar->hw.fw.fw);
864 ret = ath6kl_get_fw(ar, filename, &ar->fw, &ar->fw_len);
866 ath6kl_err("Failed to get firmware file %s: %d\n",
874 static int ath6kl_fetch_patch_file(struct ath6kl *ar)
879 if (ar->fw_patch != NULL)
882 if (ar->hw.fw.patch == NULL)
885 snprintf(filename, sizeof(filename), "%s/%s",
886 ar->hw.fw.dir, ar->hw.fw.patch);
888 ret = ath6kl_get_fw(ar, filename, &ar->fw_patch,
891 ath6kl_err("Failed to get patch file %s: %d\n",
899 static int ath6kl_fetch_testscript_file(struct ath6kl *ar)
904 if (ar->testmode != 2)
907 if (ar->fw_testscript != NULL)
910 if (ar->hw.fw.testscript == NULL)
913 snprintf(filename, sizeof(filename), "%s/%s",
914 ar->hw.fw.dir, ar->hw.fw.testscript);
916 ret = ath6kl_get_fw(ar, filename, &ar->fw_testscript,
917 &ar->fw_testscript_len);
919 ath6kl_err("Failed to get testscript file %s: %d\n",
927 static int ath6kl_fetch_fw_api1(struct ath6kl *ar)
931 ret = ath6kl_fetch_otp_file(ar);
935 ret = ath6kl_fetch_fw_file(ar);
939 ret = ath6kl_fetch_patch_file(ar);
943 ret = ath6kl_fetch_testscript_file(ar);
950 static int ath6kl_fetch_fw_apin(struct ath6kl *ar, const char *name)
952 size_t magic_len, len, ie_len;
953 const struct firmware *fw;
954 struct ath6kl_fw_ie *hdr;
957 int ret, ie_id, i, index, bit;
960 snprintf(filename, sizeof(filename), "%s/%s", ar->hw.fw.dir, name);
962 ret = reject_firmware(&fw, filename, ar->dev);
964 ath6kl_err("Failed request firmware, rv: %d\n", ret);
971 /* magic also includes the null byte, check that as well */
972 magic_len = strlen(ATH6KL_FIRMWARE_MAGIC) + 1;
974 if (len < magic_len) {
975 ath6kl_err("Magic length is invalid, len: %zd magic_len: %zd\n",
981 if (memcmp(data, ATH6KL_FIRMWARE_MAGIC, magic_len) != 0) {
982 ath6kl_err("Magic is invalid, magic_len: %zd\n",
992 while (len > sizeof(struct ath6kl_fw_ie)) {
993 /* hdr is unaligned! */
994 hdr = (struct ath6kl_fw_ie *) data;
996 ie_id = le32_to_cpup(&hdr->id);
997 ie_len = le32_to_cpup(&hdr->len);
1000 data += sizeof(*hdr);
1002 ath6kl_dbg(ATH6KL_DBG_BOOT, "ie-id: %d len: %zd (0x%zx)\n",
1003 ie_id, ie_len, ie_len);
1006 ath6kl_err("IE len is invalid, len: %zd ie_len: %zd ie-id: %d\n",
1007 len, ie_len, ie_id);
1013 case ATH6KL_FW_IE_FW_VERSION:
1014 strlcpy(ar->wiphy->fw_version, data,
1015 min(sizeof(ar->wiphy->fw_version), ie_len+1));
1017 ath6kl_dbg(ATH6KL_DBG_BOOT,
1018 "found fw version %s\n",
1019 ar->wiphy->fw_version);
1021 case ATH6KL_FW_IE_OTP_IMAGE:
1022 ath6kl_dbg(ATH6KL_DBG_BOOT, "found otp image ie (%zd B)\n",
1025 ar->fw_otp = kmemdup(data, ie_len, GFP_KERNEL);
1027 if (ar->fw_otp == NULL) {
1028 ath6kl_err("fw_otp cannot be allocated\n");
1033 ar->fw_otp_len = ie_len;
1035 case ATH6KL_FW_IE_FW_IMAGE:
1036 ath6kl_dbg(ATH6KL_DBG_BOOT, "found fw image ie (%zd B)\n",
1039 /* in testmode we already might have a fw file */
1043 ar->fw = vmalloc(ie_len);
1045 if (ar->fw == NULL) {
1046 ath6kl_err("fw storage cannot be allocated, len: %zd\n", ie_len);
1051 memcpy(ar->fw, data, ie_len);
1052 ar->fw_len = ie_len;
1054 case ATH6KL_FW_IE_PATCH_IMAGE:
1055 ath6kl_dbg(ATH6KL_DBG_BOOT, "found patch image ie (%zd B)\n",
1058 ar->fw_patch = kmemdup(data, ie_len, GFP_KERNEL);
1060 if (ar->fw_patch == NULL) {
1061 ath6kl_err("fw_patch storage cannot be allocated, len: %zd\n", ie_len);
1066 ar->fw_patch_len = ie_len;
1068 case ATH6KL_FW_IE_RESERVED_RAM_SIZE:
1069 val = (__le32 *) data;
1070 ar->hw.reserved_ram_size = le32_to_cpup(val);
1072 ath6kl_dbg(ATH6KL_DBG_BOOT,
1073 "found reserved ram size ie %d\n",
1074 ar->hw.reserved_ram_size);
1076 case ATH6KL_FW_IE_CAPABILITIES:
1077 ath6kl_dbg(ATH6KL_DBG_BOOT,
1078 "found firmware capabilities ie (%zd B)\n",
1081 for (i = 0; i < ATH6KL_FW_CAPABILITY_MAX; i++) {
1085 if (index == ie_len)
1088 if (data[index] & (1 << bit))
1089 __set_bit(i, ar->fw_capabilities);
1092 ath6kl_dbg_dump(ATH6KL_DBG_BOOT, "capabilities", "",
1093 ar->fw_capabilities,
1094 sizeof(ar->fw_capabilities));
1096 case ATH6KL_FW_IE_PATCH_ADDR:
1097 if (ie_len != sizeof(*val))
1100 val = (__le32 *) data;
1101 ar->hw.dataset_patch_addr = le32_to_cpup(val);
1103 ath6kl_dbg(ATH6KL_DBG_BOOT,
1104 "found patch address ie 0x%x\n",
1105 ar->hw.dataset_patch_addr);
1107 case ATH6KL_FW_IE_BOARD_ADDR:
1108 if (ie_len != sizeof(*val))
1111 val = (__le32 *) data;
1112 ar->hw.board_addr = le32_to_cpup(val);
1114 ath6kl_dbg(ATH6KL_DBG_BOOT,
1115 "found board address ie 0x%x\n",
1118 case ATH6KL_FW_IE_VIF_MAX:
1119 if (ie_len != sizeof(*val))
1122 val = (__le32 *) data;
1123 ar->vif_max = min_t(unsigned int, le32_to_cpup(val),
1126 if (ar->vif_max > 1 && !ar->p2p)
1127 ar->max_norm_iface = 2;
1129 ath6kl_dbg(ATH6KL_DBG_BOOT,
1130 "found vif max ie %d\n", ar->vif_max);
1133 ath6kl_dbg(ATH6KL_DBG_BOOT, "Unknown fw ie: %u\n",
1134 le32_to_cpup(&hdr->id));
1144 release_firmware(fw);
1149 int ath6kl_init_fetch_firmwares(struct ath6kl *ar)
1153 ret = ath6kl_fetch_board_file(ar);
1157 ret = ath6kl_fetch_testmode_file(ar);
1161 ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API5_FILE);
1167 ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API4_FILE);
1173 ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API3_FILE);
1179 ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API2_FILE);
1185 ret = ath6kl_fetch_fw_api1(ar);
1192 ath6kl_dbg(ATH6KL_DBG_BOOT, "using fw api %d\n", ar->fw_api);
1197 static int ath6kl_upload_board_file(struct ath6kl *ar)
1199 u32 board_address, board_ext_address, param;
1200 u32 board_data_size, board_ext_data_size;
1203 if (WARN_ON(ar->fw_board == NULL))
1207 * Determine where in Target RAM to write Board Data.
1208 * For AR6004, host determine Target RAM address for
1209 * writing board data.
1211 if (ar->hw.board_addr != 0) {
1212 board_address = ar->hw.board_addr;
1213 ath6kl_bmi_write_hi32(ar, hi_board_data,
1216 ret = ath6kl_bmi_read_hi32(ar, hi_board_data, &board_address);
1218 ath6kl_err("Failed to get board file target address.\n");
1223 /* determine where in target ram to write extended board data */
1224 ret = ath6kl_bmi_read_hi32(ar, hi_board_ext_data, &board_ext_address);
1226 ath6kl_err("Failed to get extended board file target address.\n");
1230 if (ar->target_type == TARGET_TYPE_AR6003 &&
1231 board_ext_address == 0) {
1232 ath6kl_err("Failed to get board file target address.\n");
1236 switch (ar->target_type) {
1237 case TARGET_TYPE_AR6003:
1238 board_data_size = AR6003_BOARD_DATA_SZ;
1239 board_ext_data_size = AR6003_BOARD_EXT_DATA_SZ;
1240 if (ar->fw_board_len > (board_data_size + board_ext_data_size))
1241 board_ext_data_size = AR6003_BOARD_EXT_DATA_SZ_V2;
1243 case TARGET_TYPE_AR6004:
1244 board_data_size = AR6004_BOARD_DATA_SZ;
1245 board_ext_data_size = AR6004_BOARD_EXT_DATA_SZ;
1252 if (board_ext_address &&
1253 ar->fw_board_len == (board_data_size + board_ext_data_size)) {
1254 /* write extended board data */
1255 ath6kl_dbg(ATH6KL_DBG_BOOT,
1256 "writing extended board data to 0x%x (%d B)\n",
1257 board_ext_address, board_ext_data_size);
1259 ret = ath6kl_bmi_write(ar, board_ext_address,
1260 ar->fw_board + board_data_size,
1261 board_ext_data_size);
1263 ath6kl_err("Failed to write extended board data: %d\n",
1268 /* record that extended board data is initialized */
1269 param = (board_ext_data_size << 16) | 1;
1271 ath6kl_bmi_write_hi32(ar, hi_board_ext_data_config, param);
1274 if (ar->fw_board_len < board_data_size) {
1275 ath6kl_err("Too small board file: %zu\n", ar->fw_board_len);
1280 ath6kl_dbg(ATH6KL_DBG_BOOT, "writing board file to 0x%x (%d B)\n",
1281 board_address, board_data_size);
1283 ret = ath6kl_bmi_write(ar, board_address, ar->fw_board,
1287 ath6kl_err("Board file bmi write failed: %d\n", ret);
1291 /* record the fact that Board Data IS initialized */
1292 if ((ar->version.target_ver == AR6004_HW_1_3_VERSION) ||
1293 (ar->version.target_ver == AR6004_HW_3_0_VERSION))
1294 param = board_data_size;
1298 ath6kl_bmi_write_hi32(ar, hi_board_data_initialized, param);
1303 static int ath6kl_upload_otp(struct ath6kl *ar)
1306 bool from_hw = false;
1309 if (ar->fw_otp == NULL)
1312 address = ar->hw.app_load_addr;
1314 ath6kl_dbg(ATH6KL_DBG_BOOT, "writing otp to 0x%x (%zd B)\n", address,
1317 ret = ath6kl_bmi_fast_download(ar, address, ar->fw_otp,
1320 ath6kl_err("Failed to upload OTP file: %d\n", ret);
1324 /* read firmware start address */
1325 ret = ath6kl_bmi_read_hi32(ar, hi_app_start, &address);
1328 ath6kl_err("Failed to read hi_app_start: %d\n", ret);
1332 if (ar->hw.app_start_override_addr == 0) {
1333 ar->hw.app_start_override_addr = address;
1337 ath6kl_dbg(ATH6KL_DBG_BOOT, "app_start_override_addr%s 0x%x\n",
1338 from_hw ? " (from hw)" : "",
1339 ar->hw.app_start_override_addr);
1341 /* execute the OTP code */
1342 ath6kl_dbg(ATH6KL_DBG_BOOT, "executing OTP at 0x%x\n",
1343 ar->hw.app_start_override_addr);
1345 ath6kl_bmi_execute(ar, ar->hw.app_start_override_addr, ¶m);
1350 static int ath6kl_upload_firmware(struct ath6kl *ar)
1355 if (WARN_ON(ar->fw == NULL))
1358 address = ar->hw.app_load_addr;
1360 ath6kl_dbg(ATH6KL_DBG_BOOT, "writing firmware to 0x%x (%zd B)\n",
1361 address, ar->fw_len);
1363 ret = ath6kl_bmi_fast_download(ar, address, ar->fw, ar->fw_len);
1366 ath6kl_err("Failed to write firmware: %d\n", ret);
1371 * Set starting address for firmware
1372 * Don't need to setup app_start override addr on AR6004
1374 if (ar->target_type != TARGET_TYPE_AR6004) {
1375 address = ar->hw.app_start_override_addr;
1376 ath6kl_bmi_set_app_start(ar, address);
1381 static int ath6kl_upload_patch(struct ath6kl *ar)
1386 if (ar->fw_patch == NULL)
1389 address = ar->hw.dataset_patch_addr;
1391 ath6kl_dbg(ATH6KL_DBG_BOOT, "writing patch to 0x%x (%zd B)\n",
1392 address, ar->fw_patch_len);
1394 ret = ath6kl_bmi_write(ar, address, ar->fw_patch, ar->fw_patch_len);
1396 ath6kl_err("Failed to write patch file: %d\n", ret);
1400 ath6kl_bmi_write_hi32(ar, hi_dset_list_head, address);
1405 static int ath6kl_upload_testscript(struct ath6kl *ar)
1410 if (ar->testmode != 2)
1413 if (ar->fw_testscript == NULL)
1416 address = ar->hw.testscript_addr;
1418 ath6kl_dbg(ATH6KL_DBG_BOOT, "writing testscript to 0x%x (%zd B)\n",
1419 address, ar->fw_testscript_len);
1421 ret = ath6kl_bmi_write(ar, address, ar->fw_testscript,
1422 ar->fw_testscript_len);
1424 ath6kl_err("Failed to write testscript file: %d\n", ret);
1428 ath6kl_bmi_write_hi32(ar, hi_ota_testscript, address);
1430 if ((ar->version.target_ver != AR6004_HW_1_3_VERSION) &&
1431 (ar->version.target_ver != AR6004_HW_3_0_VERSION))
1432 ath6kl_bmi_write_hi32(ar, hi_end_ram_reserve_sz, 4096);
1434 ath6kl_bmi_write_hi32(ar, hi_test_apps_related, 1);
1439 static int ath6kl_init_upload(struct ath6kl *ar)
1441 u32 param, options, sleep, address;
1444 if (ar->target_type != TARGET_TYPE_AR6003 &&
1445 ar->target_type != TARGET_TYPE_AR6004)
1448 /* temporarily disable system sleep */
1449 address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS;
1450 status = ath6kl_bmi_reg_read(ar, address, ¶m);
1456 param |= ATH6KL_OPTION_SLEEP_DISABLE;
1457 status = ath6kl_bmi_reg_write(ar, address, param);
1461 address = RTC_BASE_ADDRESS + SYSTEM_SLEEP_ADDRESS;
1462 status = ath6kl_bmi_reg_read(ar, address, ¶m);
1468 param |= SM(SYSTEM_SLEEP_DISABLE, 1);
1469 status = ath6kl_bmi_reg_write(ar, address, param);
1473 ath6kl_dbg(ATH6KL_DBG_TRC, "old options: %d, old sleep: %d\n",
1476 /* program analog PLL register */
1477 /* no need to control 40/44MHz clock on AR6004 */
1478 if (ar->target_type != TARGET_TYPE_AR6004) {
1479 status = ath6kl_bmi_reg_write(ar, ATH6KL_ANALOG_PLL_REGISTER,
1485 /* Run at 80/88MHz by default */
1486 param = SM(CPU_CLOCK_STANDARD, 1);
1488 address = RTC_BASE_ADDRESS + CPU_CLOCK_ADDRESS;
1489 status = ath6kl_bmi_reg_write(ar, address, param);
1495 address = RTC_BASE_ADDRESS + LPO_CAL_ADDRESS;
1496 param = SM(LPO_CAL_ENABLE, 1);
1497 status = ath6kl_bmi_reg_write(ar, address, param);
1501 /* WAR to avoid SDIO CRC err */
1502 if (ar->hw.flags & ATH6KL_HW_SDIO_CRC_ERROR_WAR) {
1503 ath6kl_err("temporary war to avoid sdio crc error\n");
1506 address = GPIO_BASE_ADDRESS + GPIO_PIN9_ADDRESS;
1507 status = ath6kl_bmi_reg_write(ar, address, param);
1513 address = GPIO_BASE_ADDRESS + GPIO_PIN10_ADDRESS;
1514 status = ath6kl_bmi_reg_write(ar, address, param);
1518 address = GPIO_BASE_ADDRESS + GPIO_PIN11_ADDRESS;
1519 status = ath6kl_bmi_reg_write(ar, address, param);
1523 address = GPIO_BASE_ADDRESS + GPIO_PIN12_ADDRESS;
1524 status = ath6kl_bmi_reg_write(ar, address, param);
1528 address = GPIO_BASE_ADDRESS + GPIO_PIN13_ADDRESS;
1529 status = ath6kl_bmi_reg_write(ar, address, param);
1534 /* write EEPROM data to Target RAM */
1535 status = ath6kl_upload_board_file(ar);
1539 /* transfer One time Programmable data */
1540 status = ath6kl_upload_otp(ar);
1544 /* Download Target firmware */
1545 status = ath6kl_upload_firmware(ar);
1549 status = ath6kl_upload_patch(ar);
1553 /* Download the test script */
1554 status = ath6kl_upload_testscript(ar);
1558 /* Restore system sleep */
1559 address = RTC_BASE_ADDRESS + SYSTEM_SLEEP_ADDRESS;
1560 status = ath6kl_bmi_reg_write(ar, address, sleep);
1564 address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS;
1565 param = options | 0x20;
1566 status = ath6kl_bmi_reg_write(ar, address, param);
1573 int ath6kl_init_hw_params(struct ath6kl *ar)
1575 const struct ath6kl_hw *uninitialized_var(hw);
1578 for (i = 0; i < ARRAY_SIZE(hw_list); i++) {
1581 if (hw->id == ar->version.target_ver)
1585 if (i == ARRAY_SIZE(hw_list)) {
1586 ath6kl_err("Unsupported hardware version: 0x%x\n",
1587 ar->version.target_ver);
1593 ath6kl_dbg(ATH6KL_DBG_BOOT,
1594 "target_ver 0x%x target_type 0x%x dataset_patch 0x%x app_load_addr 0x%x\n",
1595 ar->version.target_ver, ar->target_type,
1596 ar->hw.dataset_patch_addr, ar->hw.app_load_addr);
1597 ath6kl_dbg(ATH6KL_DBG_BOOT,
1598 "app_start_override_addr 0x%x board_ext_data_addr 0x%x reserved_ram_size 0x%x",
1599 ar->hw.app_start_override_addr, ar->hw.board_ext_data_addr,
1600 ar->hw.reserved_ram_size);
1601 ath6kl_dbg(ATH6KL_DBG_BOOT,
1602 "refclk_hz %d uarttx_pin %d",
1603 ar->hw.refclk_hz, ar->hw.uarttx_pin);
1608 static const char *ath6kl_init_get_hif_name(enum ath6kl_hif_type type)
1611 case ATH6KL_HIF_TYPE_SDIO:
1613 case ATH6KL_HIF_TYPE_USB:
1621 static const struct fw_capa_str_map {
1625 { ATH6KL_FW_CAPABILITY_HOST_P2P, "host-p2p" },
1626 { ATH6KL_FW_CAPABILITY_SCHED_SCAN, "sched-scan" },
1627 { ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, "sta-p2pdev-duplex" },
1628 { ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT, "inactivity-timeout" },
1629 { ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, "rsn-cap-override" },
1630 { ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, "wow-mc-filter" },
1631 { ATH6KL_FW_CAPABILITY_BMISS_ENHANCE, "bmiss-enhance" },
1632 { ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST, "sscan-match-list" },
1633 { ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD, "rssi-scan-thold" },
1634 { ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR, "custom-mac-addr" },
1635 { ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, "tx-err-notify" },
1636 { ATH6KL_FW_CAPABILITY_REGDOMAIN, "regdomain" },
1637 { ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, "sched-scan-v2" },
1638 { ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL, "hb-poll" },
1639 { ATH6KL_FW_CAPABILITY_64BIT_RATES, "64bit-rates" },
1640 { ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS, "ap-inactivity-mins" },
1641 { ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT, "map-lp-endpoint" },
1642 { ATH6KL_FW_CAPABILITY_RATETABLE_MCS15, "ratetable-mcs15" },
1643 { ATH6KL_FW_CAPABILITY_NO_IP_CHECKSUM, "no-ip-checksum" },
1646 static const char *ath6kl_init_get_fw_capa_name(unsigned int id)
1650 for (i = 0; i < ARRAY_SIZE(fw_capa_map); i++) {
1651 if (fw_capa_map[i].id == id)
1652 return fw_capa_map[i].name;
1658 static void ath6kl_init_get_fwcaps(struct ath6kl *ar, char *buf, size_t buf_len)
1660 u8 *data = (u8 *) ar->fw_capabilities;
1661 size_t trunc_len, len = 0;
1663 char *trunc = "...";
1665 for (i = 0; i < ATH6KL_FW_CAPABILITY_MAX; i++) {
1669 if (index >= sizeof(ar->fw_capabilities) * 4)
1672 if (buf_len - len < 4) {
1673 ath6kl_warn("firmware capability buffer too small!\n");
1675 /* add "..." to the end of string */
1676 trunc_len = strlen(trunc) + 1;
1677 strncpy(buf + buf_len - trunc_len, trunc, trunc_len);
1682 if (data[index] & (1 << bit)) {
1683 len += scnprintf(buf + len, buf_len - len, "%s,",
1684 ath6kl_init_get_fw_capa_name(i));
1688 /* overwrite the last comma */
1695 static int ath6kl_init_hw_reset(struct ath6kl *ar)
1697 ath6kl_dbg(ATH6KL_DBG_BOOT, "cold resetting the device");
1699 return ath6kl_diag_write32(ar, RESET_CONTROL_ADDRESS,
1700 cpu_to_le32(RESET_CONTROL_COLD_RST));
1703 static int __ath6kl_init_hw_start(struct ath6kl *ar)
1709 ath6kl_dbg(ATH6KL_DBG_BOOT, "hw start\n");
1711 ret = ath6kl_hif_power_on(ar);
1715 ret = ath6kl_configure_target(ar);
1719 ret = ath6kl_init_upload(ar);
1723 /* Do we need to finish the BMI phase */
1724 ret = ath6kl_bmi_done(ar);
1729 * The reason we have to wait for the target here is that the
1730 * driver layer has to init BMI in order to set the host block
1733 ret = ath6kl_htc_wait_target(ar->htc_target);
1735 if (ret == -ETIMEDOUT) {
1737 * Most likely USB target is in odd state after reboot and
1738 * needs a reset. A cold reset makes the whole device
1739 * disappear from USB bus and initialisation starts from
1742 ath6kl_warn("htc wait target timed out, resetting device\n");
1743 ath6kl_init_hw_reset(ar);
1746 ath6kl_err("htc wait target failed: %d\n", ret);
1750 ret = ath6kl_init_service_ep(ar);
1752 ath6kl_err("Endpoint service initilisation failed: %d\n", ret);
1753 goto err_cleanup_scatter;
1756 /* setup credit distribution */
1757 ath6kl_htc_credit_setup(ar->htc_target, &ar->credit_state_info);
1760 ret = ath6kl_htc_start(ar->htc_target);
1762 /* FIXME: call this */
1763 ath6kl_cookie_cleanup(ar);
1764 goto err_cleanup_scatter;
1767 /* Wait for Wmi event to be ready */
1768 timeleft = wait_event_interruptible_timeout(ar->event_wq,
1772 if (timeleft <= 0) {
1773 clear_bit(WMI_READY, &ar->flag);
1774 ath6kl_err("wmi is not ready or wait was interrupted: %ld\n",
1780 ath6kl_dbg(ATH6KL_DBG_BOOT, "firmware booted\n");
1782 if (test_and_clear_bit(FIRST_BOOT, &ar->flag)) {
1783 ath6kl_info("%s %s fw %s api %d%s\n",
1785 ath6kl_init_get_hif_name(ar->hif_type),
1786 ar->wiphy->fw_version,
1788 test_bit(TESTMODE, &ar->flag) ? " testmode" : "");
1789 ath6kl_init_get_fwcaps(ar, buf, sizeof(buf));
1790 ath6kl_info("firmware supports: %s\n", buf);
1793 if (ar->version.abi_ver != ATH6KL_ABI_VERSION) {
1794 ath6kl_err("abi version mismatch: host(0x%x), target(0x%x)\n",
1795 ATH6KL_ABI_VERSION, ar->version.abi_ver);
1800 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: wmi is ready\n", __func__);
1802 /* communicate the wmi protocol verision to the target */
1803 /* FIXME: return error */
1804 if ((ath6kl_set_host_app_area(ar)) != 0)
1805 ath6kl_err("unable to set the host app area\n");
1807 for (i = 0; i < ar->vif_max; i++) {
1808 ret = ath6kl_target_config_wlan_params(ar, i);
1816 ath6kl_htc_stop(ar->htc_target);
1817 err_cleanup_scatter:
1818 ath6kl_hif_cleanup_scatter(ar);
1820 ath6kl_hif_power_off(ar);
1825 int ath6kl_init_hw_start(struct ath6kl *ar)
1829 err = __ath6kl_init_hw_start(ar);
1832 ar->state = ATH6KL_STATE_ON;
1836 static int __ath6kl_init_hw_stop(struct ath6kl *ar)
1840 ath6kl_dbg(ATH6KL_DBG_BOOT, "hw stop\n");
1842 ath6kl_htc_stop(ar->htc_target);
1844 ath6kl_hif_stop(ar);
1846 ath6kl_bmi_reset(ar);
1848 ret = ath6kl_hif_power_off(ar);
1850 ath6kl_warn("failed to power off hif: %d\n", ret);
1855 int ath6kl_init_hw_stop(struct ath6kl *ar)
1859 err = __ath6kl_init_hw_stop(ar);
1862 ar->state = ATH6KL_STATE_OFF;
1866 void ath6kl_init_hw_restart(struct ath6kl *ar)
1868 clear_bit(WMI_READY, &ar->flag);
1870 ath6kl_cfg80211_stop_all(ar);
1872 if (__ath6kl_init_hw_stop(ar)) {
1873 ath6kl_dbg(ATH6KL_DBG_RECOVERY, "Failed to stop during fw error recovery\n");
1877 if (__ath6kl_init_hw_start(ar)) {
1878 ath6kl_dbg(ATH6KL_DBG_RECOVERY, "Failed to restart during fw error recovery\n");
1883 void ath6kl_stop_txrx(struct ath6kl *ar)
1885 struct ath6kl_vif *vif, *tmp_vif;
1888 set_bit(DESTROY_IN_PROGRESS, &ar->flag);
1890 if (down_interruptible(&ar->sem)) {
1891 ath6kl_err("down_interruptible failed\n");
1895 for (i = 0; i < AP_MAX_NUM_STA; i++)
1896 aggr_reset_state(ar->sta_list[i].aggr_conn);
1898 spin_lock_bh(&ar->list_lock);
1899 list_for_each_entry_safe(vif, tmp_vif, &ar->vif_list, list) {
1900 list_del(&vif->list);
1901 spin_unlock_bh(&ar->list_lock);
1902 ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag));
1904 ath6kl_cfg80211_vif_cleanup(vif);
1906 spin_lock_bh(&ar->list_lock);
1908 spin_unlock_bh(&ar->list_lock);
1910 clear_bit(WMI_READY, &ar->flag);
1912 if (ar->fw_recovery.enable)
1913 del_timer_sync(&ar->fw_recovery.hb_timer);
1916 * After wmi_shudown all WMI events will be dropped. We
1917 * need to cleanup the buffers allocated in AP mode and
1918 * give disconnect notification to stack, which usually
1919 * happens in the disconnect_event. Simulate the disconnect
1920 * event by calling the function directly. Sometimes
1921 * disconnect_event will be received when the debug logs
1924 ath6kl_wmi_shutdown(ar->wmi);
1926 clear_bit(WMI_ENABLED, &ar->flag);
1927 if (ar->htc_target) {
1928 ath6kl_dbg(ATH6KL_DBG_TRC, "%s: shut down htc\n", __func__);
1929 ath6kl_htc_stop(ar->htc_target);
1933 * Try to reset the device if we can. The driver may have been
1934 * configure NOT to reset the target during a debug session.
1936 ath6kl_init_hw_reset(ar);
1940 EXPORT_SYMBOL(ath6kl_stop_txrx);