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 #include <linux/moduleparam.h>
20 #include <linux/errno.h>
21 #include <linux/export.h>
23 #include <linux/mmc/sdio_func.h>
31 static const struct ath6kl_hw hw_list
[] = {
33 .id
= AR6003_HW_2_0_VERSION
,
34 .name
= "ar6003 hw 2.0",
35 .dataset_patch_addr
= 0x57e884,
36 .app_load_addr
= 0x543180,
37 .board_ext_data_addr
= 0x57e500,
38 .reserved_ram_size
= 6912,
39 .refclk_hz
= 26000000,
42 /* hw2.0 needs override address hardcoded */
43 .app_start_override_addr
= 0x944C00,
46 .dir
= AR6003_HW_2_0_FW_DIR
,
47 .otp
= AR6003_HW_2_0_OTP_FILE
,
48 .fw
= AR6003_HW_2_0_FIRMWARE_FILE
,
49 .tcmd
= AR6003_HW_2_0_TCMD_FIRMWARE_FILE
,
50 .patch
= AR6003_HW_2_0_PATCH_FILE
,
53 .fw_board
= AR6003_HW_2_0_BOARD_DATA_FILE
,
54 .fw_default_board
= AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE
,
57 .id
= AR6003_HW_2_1_1_VERSION
,
58 .name
= "ar6003 hw 2.1.1",
59 .dataset_patch_addr
= 0x57ff74,
60 .app_load_addr
= 0x1234,
61 .board_ext_data_addr
= 0x542330,
62 .reserved_ram_size
= 512,
63 .refclk_hz
= 26000000,
65 .testscript_addr
= 0x57ef74,
68 .dir
= AR6003_HW_2_1_1_FW_DIR
,
69 .otp
= AR6003_HW_2_1_1_OTP_FILE
,
70 .fw
= AR6003_HW_2_1_1_FIRMWARE_FILE
,
71 .tcmd
= AR6003_HW_2_1_1_TCMD_FIRMWARE_FILE
,
72 .patch
= AR6003_HW_2_1_1_PATCH_FILE
,
73 .utf
= AR6003_HW_2_1_1_UTF_FIRMWARE_FILE
,
74 .testscript
= AR6003_HW_2_1_1_TESTSCRIPT_FILE
,
77 .fw_board
= AR6003_HW_2_1_1_BOARD_DATA_FILE
,
78 .fw_default_board
= AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE
,
81 .id
= AR6004_HW_1_0_VERSION
,
82 .name
= "ar6004 hw 1.0",
83 .dataset_patch_addr
= 0x57e884,
84 .app_load_addr
= 0x1234,
85 .board_ext_data_addr
= 0x437000,
86 .reserved_ram_size
= 19456,
87 .board_addr
= 0x433900,
88 .refclk_hz
= 26000000,
92 .dir
= AR6004_HW_1_0_FW_DIR
,
93 .fw
= AR6004_HW_1_0_FIRMWARE_FILE
,
96 .fw_board
= AR6004_HW_1_0_BOARD_DATA_FILE
,
97 .fw_default_board
= AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE
,
100 .id
= AR6004_HW_1_1_VERSION
,
101 .name
= "ar6004 hw 1.1",
102 .dataset_patch_addr
= 0x57e884,
103 .app_load_addr
= 0x1234,
104 .board_ext_data_addr
= 0x437000,
105 .reserved_ram_size
= 11264,
106 .board_addr
= 0x43d400,
107 .refclk_hz
= 40000000,
111 .dir
= AR6004_HW_1_1_FW_DIR
,
112 .fw
= AR6004_HW_1_1_FIRMWARE_FILE
,
115 .fw_board
= AR6004_HW_1_1_BOARD_DATA_FILE
,
116 .fw_default_board
= AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE
,
121 * Include definitions here that can be used to tune the WLAN module
122 * behavior. Different customers can tune the behavior as per their needs,
127 * This configuration item enable/disable keepalive support.
128 * Keepalive support: In the absence of any data traffic to AP, null
129 * frames will be sent to the AP at periodic interval, to keep the association
130 * active. This configuration item defines the periodic interval.
131 * Use value of zero to disable keepalive support
132 * Default: 60 seconds
134 #define WLAN_CONFIG_KEEP_ALIVE_INTERVAL 60
137 * This configuration item sets the value of disconnect timeout
138 * Firmware delays sending the disconnec event to the host for this
139 * timeout after is gets disconnected from the current AP.
140 * If the firmware successly roams within the disconnect timeout
141 * it sends a new connect event
143 #define WLAN_CONFIG_DISCONNECT_TIMEOUT 10
146 #define ATH6KL_DATA_OFFSET 64
147 struct sk_buff
*ath6kl_buf_alloc(int size
)
152 /* Add chacheline space at front and back of buffer */
153 reserved
= (2 * L1_CACHE_BYTES
) + ATH6KL_DATA_OFFSET
+
154 sizeof(struct htc_packet
) + ATH6KL_HTC_ALIGN_BYTES
;
155 skb
= dev_alloc_skb(size
+ reserved
);
158 skb_reserve(skb
, reserved
- L1_CACHE_BYTES
);
162 void ath6kl_init_profile_info(struct ath6kl_vif
*vif
)
165 memset(vif
->ssid
, 0, sizeof(vif
->ssid
));
167 vif
->dot11_auth_mode
= OPEN_AUTH
;
168 vif
->auth_mode
= NONE_AUTH
;
169 vif
->prwise_crypto
= NONE_CRYPT
;
170 vif
->prwise_crypto_len
= 0;
171 vif
->grp_crypto
= NONE_CRYPT
;
172 vif
->grp_crypto_len
= 0;
173 memset(vif
->wep_key_list
, 0, sizeof(vif
->wep_key_list
));
174 memset(vif
->req_bssid
, 0, sizeof(vif
->req_bssid
));
175 memset(vif
->bssid
, 0, sizeof(vif
->bssid
));
179 static int ath6kl_set_host_app_area(struct ath6kl
*ar
)
182 struct host_app_area host_app_area
;
184 /* Fetch the address of the host_app_area_s
185 * instance in the host interest area */
186 address
= ath6kl_get_hi_item_addr(ar
, HI_ITEM(hi_app_host_interest
));
187 address
= TARG_VTOP(ar
->target_type
, address
);
189 if (ath6kl_diag_read32(ar
, address
, &data
))
192 address
= TARG_VTOP(ar
->target_type
, data
);
193 host_app_area
.wmi_protocol_ver
= cpu_to_le32(WMI_PROTOCOL_VERSION
);
194 if (ath6kl_diag_write(ar
, address
, (u8
*) &host_app_area
,
195 sizeof(struct host_app_area
)))
201 static inline void set_ac2_ep_map(struct ath6kl
*ar
,
203 enum htc_endpoint_id ep
)
205 ar
->ac2ep_map
[ac
] = ep
;
206 ar
->ep2ac_map
[ep
] = ac
;
209 /* connect to a service */
210 static int ath6kl_connectservice(struct ath6kl
*ar
,
211 struct htc_service_connect_req
*con_req
,
215 struct htc_service_connect_resp response
;
217 memset(&response
, 0, sizeof(response
));
219 status
= ath6kl_htc_conn_service(ar
->htc_target
, con_req
, &response
);
221 ath6kl_err("failed to connect to %s service status:%d\n",
226 switch (con_req
->svc_id
) {
227 case WMI_CONTROL_SVC
:
228 if (test_bit(WMI_ENABLED
, &ar
->flag
))
229 ath6kl_wmi_set_control_ep(ar
->wmi
, response
.endpoint
);
230 ar
->ctrl_ep
= response
.endpoint
;
232 case WMI_DATA_BE_SVC
:
233 set_ac2_ep_map(ar
, WMM_AC_BE
, response
.endpoint
);
235 case WMI_DATA_BK_SVC
:
236 set_ac2_ep_map(ar
, WMM_AC_BK
, response
.endpoint
);
238 case WMI_DATA_VI_SVC
:
239 set_ac2_ep_map(ar
, WMM_AC_VI
, response
.endpoint
);
241 case WMI_DATA_VO_SVC
:
242 set_ac2_ep_map(ar
, WMM_AC_VO
, response
.endpoint
);
245 ath6kl_err("service id is not mapped %d\n", con_req
->svc_id
);
252 static int ath6kl_init_service_ep(struct ath6kl
*ar
)
254 struct htc_service_connect_req connect
;
256 memset(&connect
, 0, sizeof(connect
));
258 /* these fields are the same for all service endpoints */
259 connect
.ep_cb
.rx
= ath6kl_rx
;
260 connect
.ep_cb
.rx_refill
= ath6kl_rx_refill
;
261 connect
.ep_cb
.tx_full
= ath6kl_tx_queue_full
;
264 * Set the max queue depth so that our ath6kl_tx_queue_full handler
267 connect
.max_txq_depth
= MAX_DEFAULT_SEND_QUEUE_DEPTH
;
268 connect
.ep_cb
.rx_refill_thresh
= ATH6KL_MAX_RX_BUFFERS
/ 4;
269 if (!connect
.ep_cb
.rx_refill_thresh
)
270 connect
.ep_cb
.rx_refill_thresh
++;
272 /* connect to control service */
273 connect
.svc_id
= WMI_CONTROL_SVC
;
274 if (ath6kl_connectservice(ar
, &connect
, "WMI CONTROL"))
277 connect
.flags
|= HTC_FLGS_TX_BNDL_PAD_EN
;
280 * Limit the HTC message size on the send path, although e can
281 * receive A-MSDU frames of 4K, we will only send ethernet-sized
282 * (802.3) frames on the send path.
284 connect
.max_rxmsg_sz
= WMI_MAX_TX_DATA_FRAME_LENGTH
;
287 * To reduce the amount of committed memory for larger A_MSDU
288 * frames, use the recv-alloc threshold mechanism for larger
291 connect
.ep_cb
.rx_alloc_thresh
= ATH6KL_BUFFER_SIZE
;
292 connect
.ep_cb
.rx_allocthresh
= ath6kl_alloc_amsdu_rxbuf
;
295 * For the remaining data services set the connection flag to
296 * reduce dribbling, if configured to do so.
298 connect
.conn_flags
|= HTC_CONN_FLGS_REDUCE_CRED_DRIB
;
299 connect
.conn_flags
&= ~HTC_CONN_FLGS_THRESH_MASK
;
300 connect
.conn_flags
|= HTC_CONN_FLGS_THRESH_LVL_HALF
;
302 connect
.svc_id
= WMI_DATA_BE_SVC
;
304 if (ath6kl_connectservice(ar
, &connect
, "WMI DATA BE"))
307 /* connect to back-ground map this to WMI LOW_PRI */
308 connect
.svc_id
= WMI_DATA_BK_SVC
;
309 if (ath6kl_connectservice(ar
, &connect
, "WMI DATA BK"))
312 /* connect to Video service, map this to to HI PRI */
313 connect
.svc_id
= WMI_DATA_VI_SVC
;
314 if (ath6kl_connectservice(ar
, &connect
, "WMI DATA VI"))
318 * Connect to VO service, this is currently not mapped to a WMI
319 * priority stream due to historical reasons. WMI originally
320 * defined 3 priorities over 3 mailboxes We can change this when
321 * WMI is reworked so that priorities are not dependent on
324 connect
.svc_id
= WMI_DATA_VO_SVC
;
325 if (ath6kl_connectservice(ar
, &connect
, "WMI DATA VO"))
331 void ath6kl_init_control_info(struct ath6kl_vif
*vif
)
333 ath6kl_init_profile_info(vif
);
334 vif
->def_txkey_index
= 0;
335 memset(vif
->wep_key_list
, 0, sizeof(vif
->wep_key_list
));
340 * Set HTC/Mbox operational parameters, this can only be called when the
341 * target is in the BMI phase.
343 static int ath6kl_set_htc_params(struct ath6kl
*ar
, u32 mbox_isr_yield_val
,
349 blk_size
= ar
->mbox_info
.block_size
;
352 blk_size
|= ((u32
)htc_ctrl_buf
) << 16;
354 /* set the host interest area for the block size */
355 status
= ath6kl_bmi_write(ar
,
356 ath6kl_get_hi_item_addr(ar
,
357 HI_ITEM(hi_mbox_io_block_sz
)),
361 ath6kl_err("bmi_write_memory for IO block size failed\n");
365 ath6kl_dbg(ATH6KL_DBG_TRC
, "block size set: %d (target addr:0x%X)\n",
367 ath6kl_get_hi_item_addr(ar
, HI_ITEM(hi_mbox_io_block_sz
)));
369 if (mbox_isr_yield_val
) {
370 /* set the host interest area for the mbox ISR yield limit */
371 status
= ath6kl_bmi_write(ar
,
372 ath6kl_get_hi_item_addr(ar
,
373 HI_ITEM(hi_mbox_isr_yield_limit
)),
374 (u8
*)&mbox_isr_yield_val
,
377 ath6kl_err("bmi_write_memory for yield limit failed\n");
386 static int ath6kl_target_config_wlan_params(struct ath6kl
*ar
, int idx
)
392 * Configure the device for rx dot11 header rules. "0,0" are the
393 * default values. Required if checksum offload is needed. Set
394 * RxMetaVersion to 2.
396 if (ath6kl_wmi_set_rx_frame_format_cmd(ar
->wmi
, idx
,
397 ar
->rx_meta_ver
, 0, 0)) {
398 ath6kl_err("unable to set the rx frame format\n");
402 if (ar
->conf_flags
& ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN
)
403 if ((ath6kl_wmi_pmparams_cmd(ar
->wmi
, idx
, 0, 1, 0, 0, 1,
404 IGNORE_POWER_SAVE_FAIL_EVENT_DURING_SCAN
)) != 0) {
405 ath6kl_err("unable to set power save fail event policy\n");
409 if (!(ar
->conf_flags
& ATH6KL_CONF_IGNORE_ERP_BARKER
))
410 if ((ath6kl_wmi_set_lpreamble_cmd(ar
->wmi
, idx
, 0,
411 WMI_DONOT_IGNORE_BARKER_IN_ERP
)) != 0) {
412 ath6kl_err("unable to set barker preamble policy\n");
416 if (ath6kl_wmi_set_keepalive_cmd(ar
->wmi
, idx
,
417 WLAN_CONFIG_KEEP_ALIVE_INTERVAL
)) {
418 ath6kl_err("unable to set keep alive interval\n");
422 if (ath6kl_wmi_disctimeout_cmd(ar
->wmi
, idx
,
423 WLAN_CONFIG_DISCONNECT_TIMEOUT
)) {
424 ath6kl_err("unable to set disconnect timeout\n");
428 if (!(ar
->conf_flags
& ATH6KL_CONF_ENABLE_TX_BURST
))
429 if (ath6kl_wmi_set_wmm_txop(ar
->wmi
, idx
, WMI_TXOP_DISABLED
)) {
430 ath6kl_err("unable to set txop bursting\n");
434 if (ar
->p2p
&& (ar
->vif_max
== 1 || idx
)) {
435 ret
= ath6kl_wmi_info_req_cmd(ar
->wmi
, idx
,
436 P2P_FLAG_CAPABILITIES_REQ
|
437 P2P_FLAG_MACADDR_REQ
|
438 P2P_FLAG_HMODEL_REQ
);
440 ath6kl_dbg(ATH6KL_DBG_TRC
, "failed to request P2P "
441 "capabilities (%d) - assuming P2P not "
447 if (ar
->p2p
&& (ar
->vif_max
== 1 || idx
)) {
448 /* Enable Probe Request reporting for P2P */
449 ret
= ath6kl_wmi_probe_report_req_cmd(ar
->wmi
, idx
, true);
451 ath6kl_dbg(ATH6KL_DBG_TRC
, "failed to enable Probe "
452 "Request reporting (%d)\n", ret
);
459 int ath6kl_configure_target(struct ath6kl
*ar
)
461 u32 param
, ram_reserved_size
;
462 u8 fw_iftype
, fw_mode
= 0, fw_submode
= 0;
465 param
= !!(ar
->conf_flags
& ATH6KL_CONF_UART_DEBUG
);
466 if (ath6kl_bmi_write(ar
, ath6kl_get_hi_item_addr(ar
,
467 HI_ITEM(hi_serial_enable
)), (u8
*)¶m
, 4)) {
468 ath6kl_err("bmi_write_memory for uart debug failed\n");
473 * Note: Even though the firmware interface type is
474 * chosen as BSS_STA for all three interfaces, can
475 * be configured to IBSS/AP as long as the fw submode
476 * remains normal mode (0 - AP, STA and IBSS). But
477 * due to an target assert in firmware only one interface is
478 * configured for now.
480 fw_iftype
= HI_OPTION_FW_MODE_BSS_STA
;
482 for (i
= 0; i
< ar
->vif_max
; i
++)
483 fw_mode
|= fw_iftype
<< (i
* HI_OPTION_FW_MODE_BITS
);
486 * By default, submodes :
487 * vif[0] - AP/STA/IBSS
488 * vif[1] - "P2P dev"/"P2P GO"/"P2P Client"
489 * vif[2] - "P2P dev"/"P2P GO"/"P2P Client"
492 for (i
= 0; i
< ar
->max_norm_iface
; i
++)
493 fw_submode
|= HI_OPTION_FW_SUBMODE_NONE
<<
494 (i
* HI_OPTION_FW_SUBMODE_BITS
);
496 for (i
= ar
->max_norm_iface
; i
< ar
->vif_max
; i
++)
497 fw_submode
|= HI_OPTION_FW_SUBMODE_P2PDEV
<<
498 (i
* HI_OPTION_FW_SUBMODE_BITS
);
500 if (ar
->p2p
&& ar
->vif_max
== 1)
501 fw_submode
= HI_OPTION_FW_SUBMODE_P2PDEV
;
503 param
= HTC_PROTOCOL_VERSION
;
504 if (ath6kl_bmi_write(ar
,
505 ath6kl_get_hi_item_addr(ar
,
506 HI_ITEM(hi_app_host_interest
)),
507 (u8
*)¶m
, 4) != 0) {
508 ath6kl_err("bmi_write_memory for htc version failed\n");
512 /* set the firmware mode to STA/IBSS/AP */
515 if (ath6kl_bmi_read(ar
,
516 ath6kl_get_hi_item_addr(ar
,
517 HI_ITEM(hi_option_flag
)),
518 (u8
*)¶m
, 4) != 0) {
519 ath6kl_err("bmi_read_memory for setting fwmode failed\n");
523 param
|= (ar
->vif_max
<< HI_OPTION_NUM_DEV_SHIFT
);
524 param
|= fw_mode
<< HI_OPTION_FW_MODE_SHIFT
;
525 param
|= fw_submode
<< HI_OPTION_FW_SUBMODE_SHIFT
;
527 param
|= (0 << HI_OPTION_MAC_ADDR_METHOD_SHIFT
);
528 param
|= (0 << HI_OPTION_FW_BRIDGE_SHIFT
);
530 if (ath6kl_bmi_write(ar
,
531 ath6kl_get_hi_item_addr(ar
,
532 HI_ITEM(hi_option_flag
)),
535 ath6kl_err("bmi_write_memory for setting fwmode failed\n");
539 ath6kl_dbg(ATH6KL_DBG_TRC
, "firmware mode set\n");
542 * Hardcode the address use for the extended board data
543 * Ideally this should be pre-allocate by the OS at boot time
544 * But since it is a new feature and board data is loaded
545 * at init time, we have to workaround this from host.
546 * It is difficult to patch the firmware boot code,
547 * but possible in theory.
550 param
= ar
->hw
.board_ext_data_addr
;
551 ram_reserved_size
= ar
->hw
.reserved_ram_size
;
553 if (ath6kl_bmi_write(ar
, ath6kl_get_hi_item_addr(ar
,
554 HI_ITEM(hi_board_ext_data
)),
555 (u8
*)¶m
, 4) != 0) {
556 ath6kl_err("bmi_write_memory for hi_board_ext_data failed\n");
560 if (ath6kl_bmi_write(ar
, ath6kl_get_hi_item_addr(ar
,
561 HI_ITEM(hi_end_ram_reserve_sz
)),
562 (u8
*)&ram_reserved_size
, 4) != 0) {
563 ath6kl_err("bmi_write_memory for hi_end_ram_reserve_sz failed\n");
567 /* set the block size for the target */
568 if (ath6kl_set_htc_params(ar
, MBOX_YIELD_LIMIT
, 0))
569 /* use default number of control buffers */
572 /* Configure GPIO AR600x UART */
573 param
= ar
->hw
.uarttx_pin
;
574 status
= ath6kl_bmi_write(ar
,
575 ath6kl_get_hi_item_addr(ar
,
576 HI_ITEM(hi_dbg_uart_txpin
)),
581 /* Configure target refclk_hz */
582 param
= ar
->hw
.refclk_hz
;
583 status
= ath6kl_bmi_write(ar
,
584 ath6kl_get_hi_item_addr(ar
,
585 HI_ITEM(hi_refclk_hz
)),
593 /* firmware upload */
594 static int ath6kl_get_fw(struct ath6kl
*ar
, const char *filename
,
595 u8
**fw
, size_t *fw_len
)
597 const struct firmware
*fw_entry
;
600 ret
= request_firmware(&fw_entry
, filename
, ar
->dev
);
604 *fw_len
= fw_entry
->size
;
605 *fw
= kmemdup(fw_entry
->data
, fw_entry
->size
, GFP_KERNEL
);
610 release_firmware(fw_entry
);
617 * Check the device tree for a board-id and use it to construct
618 * the pathname to the firmware file. Used (for now) to find a
619 * fallback to the "bdata.bin" file--typically a symlink to the
620 * appropriate board-specific file.
622 static bool check_device_tree(struct ath6kl
*ar
)
624 static const char *board_id_prop
= "atheros,board-id";
625 struct device_node
*node
;
626 char board_filename
[64];
627 const char *board_id
;
630 for_each_compatible_node(node
, NULL
, "atheros,ath6kl") {
631 board_id
= of_get_property(node
, board_id_prop
, NULL
);
632 if (board_id
== NULL
) {
633 ath6kl_warn("No \"%s\" property on %s node.\n",
634 board_id_prop
, node
->name
);
637 snprintf(board_filename
, sizeof(board_filename
),
638 "%s/bdata.%s.bin", ar
->hw
.fw
.dir
, board_id
);
640 ret
= ath6kl_get_fw(ar
, board_filename
, &ar
->fw_board
,
643 ath6kl_err("Failed to get DT board file %s: %d\n",
644 board_filename
, ret
);
652 static bool check_device_tree(struct ath6kl
*ar
)
656 #endif /* CONFIG_OF */
658 static int ath6kl_fetch_board_file(struct ath6kl
*ar
)
660 const char *filename
;
663 if (ar
->fw_board
!= NULL
)
666 if (WARN_ON(ar
->hw
.fw_board
== NULL
))
669 filename
= ar
->hw
.fw_board
;
671 ret
= ath6kl_get_fw(ar
, filename
, &ar
->fw_board
,
674 /* managed to get proper board file */
678 if (check_device_tree(ar
)) {
679 /* got board file from device tree */
683 /* there was no proper board file, try to use default instead */
684 ath6kl_warn("Failed to get board file %s (%d), trying to find default board file.\n",
687 filename
= ar
->hw
.fw_default_board
;
689 ret
= ath6kl_get_fw(ar
, filename
, &ar
->fw_board
,
692 ath6kl_err("Failed to get default board file %s: %d\n",
697 ath6kl_warn("WARNING! No proper board file was not found, instead using a default board file.\n");
698 ath6kl_warn("Most likely your hardware won't work as specified. Install correct board file!\n");
703 static int ath6kl_fetch_otp_file(struct ath6kl
*ar
)
708 if (ar
->fw_otp
!= NULL
)
711 if (ar
->hw
.fw
.otp
== NULL
) {
712 ath6kl_dbg(ATH6KL_DBG_BOOT
,
713 "no OTP file configured for this hw\n");
717 snprintf(filename
, sizeof(filename
), "%s/%s",
718 ar
->hw
.fw
.dir
, ar
->hw
.fw
.otp
);
720 ret
= ath6kl_get_fw(ar
, filename
, &ar
->fw_otp
,
723 ath6kl_err("Failed to get OTP file %s: %d\n",
731 static int ath6kl_fetch_testmode_file(struct ath6kl
*ar
)
736 if (ar
->testmode
== 0)
739 ath6kl_dbg(ATH6KL_DBG_BOOT
, "testmode %d\n", ar
->testmode
);
741 if (ar
->testmode
== 2) {
742 if (ar
->hw
.fw
.utf
== NULL
) {
743 ath6kl_warn("testmode 2 not supported\n");
747 snprintf(filename
, sizeof(filename
), "%s/%s",
748 ar
->hw
.fw
.dir
, ar
->hw
.fw
.utf
);
750 if (ar
->hw
.fw
.tcmd
== NULL
) {
751 ath6kl_warn("testmode 1 not supported\n");
755 snprintf(filename
, sizeof(filename
), "%s/%s",
756 ar
->hw
.fw
.dir
, ar
->hw
.fw
.tcmd
);
759 set_bit(TESTMODE
, &ar
->flag
);
761 ret
= ath6kl_get_fw(ar
, filename
, &ar
->fw
, &ar
->fw_len
);
763 ath6kl_err("Failed to get testmode %d firmware file %s: %d\n",
764 ar
->testmode
, filename
, ret
);
771 static int ath6kl_fetch_fw_file(struct ath6kl
*ar
)
779 /* FIXME: remove WARN_ON() as we won't support FW API 1 for long */
780 if (WARN_ON(ar
->hw
.fw
.fw
== NULL
))
783 snprintf(filename
, sizeof(filename
), "%s/%s",
784 ar
->hw
.fw
.dir
, ar
->hw
.fw
.fw
);
786 ret
= ath6kl_get_fw(ar
, filename
, &ar
->fw
, &ar
->fw_len
);
788 ath6kl_err("Failed to get firmware file %s: %d\n",
796 static int ath6kl_fetch_patch_file(struct ath6kl
*ar
)
801 if (ar
->fw_patch
!= NULL
)
804 if (ar
->hw
.fw
.patch
== NULL
)
807 snprintf(filename
, sizeof(filename
), "%s/%s",
808 ar
->hw
.fw
.dir
, ar
->hw
.fw
.patch
);
810 ret
= ath6kl_get_fw(ar
, filename
, &ar
->fw_patch
,
813 ath6kl_err("Failed to get patch file %s: %d\n",
821 static int ath6kl_fetch_testscript_file(struct ath6kl
*ar
)
826 if (ar
->testmode
!= 2)
829 if (ar
->fw_testscript
!= NULL
)
832 if (ar
->hw
.fw
.testscript
== NULL
)
835 snprintf(filename
, sizeof(filename
), "%s/%s",
836 ar
->hw
.fw
.dir
, ar
->hw
.fw
.testscript
);
838 ret
= ath6kl_get_fw(ar
, filename
, &ar
->fw_testscript
,
839 &ar
->fw_testscript_len
);
841 ath6kl_err("Failed to get testscript file %s: %d\n",
849 static int ath6kl_fetch_fw_api1(struct ath6kl
*ar
)
853 ret
= ath6kl_fetch_otp_file(ar
);
857 ret
= ath6kl_fetch_fw_file(ar
);
861 ret
= ath6kl_fetch_patch_file(ar
);
865 ret
= ath6kl_fetch_testscript_file(ar
);
872 static int ath6kl_fetch_fw_apin(struct ath6kl
*ar
, const char *name
)
874 size_t magic_len
, len
, ie_len
;
875 const struct firmware
*fw
;
876 struct ath6kl_fw_ie
*hdr
;
879 int ret
, ie_id
, i
, index
, bit
;
882 snprintf(filename
, sizeof(filename
), "%s/%s", ar
->hw
.fw
.dir
, name
);
884 ret
= request_firmware(&fw
, filename
, ar
->dev
);
891 /* magic also includes the null byte, check that as well */
892 magic_len
= strlen(ATH6KL_FIRMWARE_MAGIC
) + 1;
894 if (len
< magic_len
) {
899 if (memcmp(data
, ATH6KL_FIRMWARE_MAGIC
, magic_len
) != 0) {
908 while (len
> sizeof(struct ath6kl_fw_ie
)) {
909 /* hdr is unaligned! */
910 hdr
= (struct ath6kl_fw_ie
*) data
;
912 ie_id
= le32_to_cpup(&hdr
->id
);
913 ie_len
= le32_to_cpup(&hdr
->len
);
916 data
+= sizeof(*hdr
);
924 case ATH6KL_FW_IE_OTP_IMAGE
:
925 ath6kl_dbg(ATH6KL_DBG_BOOT
, "found otp image ie (%zd B)\n",
928 ar
->fw_otp
= kmemdup(data
, ie_len
, GFP_KERNEL
);
930 if (ar
->fw_otp
== NULL
) {
935 ar
->fw_otp_len
= ie_len
;
937 case ATH6KL_FW_IE_FW_IMAGE
:
938 ath6kl_dbg(ATH6KL_DBG_BOOT
, "found fw image ie (%zd B)\n",
941 /* in testmode we already might have a fw file */
945 ar
->fw
= kmemdup(data
, ie_len
, GFP_KERNEL
);
947 if (ar
->fw
== NULL
) {
954 case ATH6KL_FW_IE_PATCH_IMAGE
:
955 ath6kl_dbg(ATH6KL_DBG_BOOT
, "found patch image ie (%zd B)\n",
958 ar
->fw_patch
= kmemdup(data
, ie_len
, GFP_KERNEL
);
960 if (ar
->fw_patch
== NULL
) {
965 ar
->fw_patch_len
= ie_len
;
967 case ATH6KL_FW_IE_RESERVED_RAM_SIZE
:
968 val
= (__le32
*) data
;
969 ar
->hw
.reserved_ram_size
= le32_to_cpup(val
);
971 ath6kl_dbg(ATH6KL_DBG_BOOT
,
972 "found reserved ram size ie 0x%d\n",
973 ar
->hw
.reserved_ram_size
);
975 case ATH6KL_FW_IE_CAPABILITIES
:
976 if (ie_len
< DIV_ROUND_UP(ATH6KL_FW_CAPABILITY_MAX
, 8))
979 ath6kl_dbg(ATH6KL_DBG_BOOT
,
980 "found firmware capabilities ie (%zd B)\n",
983 for (i
= 0; i
< ATH6KL_FW_CAPABILITY_MAX
; i
++) {
987 if (data
[index
] & (1 << bit
))
988 __set_bit(i
, ar
->fw_capabilities
);
991 ath6kl_dbg_dump(ATH6KL_DBG_BOOT
, "capabilities", "",
993 sizeof(ar
->fw_capabilities
));
995 case ATH6KL_FW_IE_PATCH_ADDR
:
996 if (ie_len
!= sizeof(*val
))
999 val
= (__le32
*) data
;
1000 ar
->hw
.dataset_patch_addr
= le32_to_cpup(val
);
1002 ath6kl_dbg(ATH6KL_DBG_BOOT
,
1003 "found patch address ie 0x%x\n",
1004 ar
->hw
.dataset_patch_addr
);
1006 case ATH6KL_FW_IE_BOARD_ADDR
:
1007 if (ie_len
!= sizeof(*val
))
1010 val
= (__le32
*) data
;
1011 ar
->hw
.board_addr
= le32_to_cpup(val
);
1013 ath6kl_dbg(ATH6KL_DBG_BOOT
,
1014 "found board address ie 0x%x\n",
1017 case ATH6KL_FW_IE_VIF_MAX
:
1018 if (ie_len
!= sizeof(*val
))
1021 val
= (__le32
*) data
;
1022 ar
->vif_max
= min_t(unsigned int, le32_to_cpup(val
),
1025 if (ar
->vif_max
> 1 && !ar
->p2p
)
1026 ar
->max_norm_iface
= 2;
1028 ath6kl_dbg(ATH6KL_DBG_BOOT
,
1029 "found vif max ie %d\n", ar
->vif_max
);
1032 ath6kl_dbg(ATH6KL_DBG_BOOT
, "Unknown fw ie: %u\n",
1033 le32_to_cpup(&hdr
->id
));
1043 release_firmware(fw
);
1048 int ath6kl_init_fetch_firmwares(struct ath6kl
*ar
)
1052 ret
= ath6kl_fetch_board_file(ar
);
1056 ret
= ath6kl_fetch_testmode_file(ar
);
1060 ret
= ath6kl_fetch_fw_apin(ar
, ATH6KL_FW_API3_FILE
);
1066 ret
= ath6kl_fetch_fw_apin(ar
, ATH6KL_FW_API2_FILE
);
1072 ret
= ath6kl_fetch_fw_api1(ar
);
1079 ath6kl_dbg(ATH6KL_DBG_BOOT
, "using fw api %d\n", ar
->fw_api
);
1084 static int ath6kl_upload_board_file(struct ath6kl
*ar
)
1086 u32 board_address
, board_ext_address
, param
;
1087 u32 board_data_size
, board_ext_data_size
;
1090 if (WARN_ON(ar
->fw_board
== NULL
))
1094 * Determine where in Target RAM to write Board Data.
1095 * For AR6004, host determine Target RAM address for
1096 * writing board data.
1098 if (ar
->hw
.board_addr
!= 0) {
1099 board_address
= ar
->hw
.board_addr
;
1100 ath6kl_bmi_write(ar
,
1101 ath6kl_get_hi_item_addr(ar
,
1102 HI_ITEM(hi_board_data
)),
1103 (u8
*) &board_address
, 4);
1106 ath6kl_get_hi_item_addr(ar
,
1107 HI_ITEM(hi_board_data
)),
1108 (u8
*) &board_address
, 4);
1111 /* determine where in target ram to write extended board data */
1113 ath6kl_get_hi_item_addr(ar
,
1114 HI_ITEM(hi_board_ext_data
)),
1115 (u8
*) &board_ext_address
, 4);
1117 if (ar
->target_type
== TARGET_TYPE_AR6003
&&
1118 board_ext_address
== 0) {
1119 ath6kl_err("Failed to get board file target address.\n");
1123 switch (ar
->target_type
) {
1124 case TARGET_TYPE_AR6003
:
1125 board_data_size
= AR6003_BOARD_DATA_SZ
;
1126 board_ext_data_size
= AR6003_BOARD_EXT_DATA_SZ
;
1127 if (ar
->fw_board_len
> (board_data_size
+ board_ext_data_size
))
1128 board_ext_data_size
= AR6003_BOARD_EXT_DATA_SZ_V2
;
1130 case TARGET_TYPE_AR6004
:
1131 board_data_size
= AR6004_BOARD_DATA_SZ
;
1132 board_ext_data_size
= AR6004_BOARD_EXT_DATA_SZ
;
1140 if (board_ext_address
&&
1141 ar
->fw_board_len
== (board_data_size
+ board_ext_data_size
)) {
1143 /* write extended board data */
1144 ath6kl_dbg(ATH6KL_DBG_BOOT
,
1145 "writing extended board data to 0x%x (%d B)\n",
1146 board_ext_address
, board_ext_data_size
);
1148 ret
= ath6kl_bmi_write(ar
, board_ext_address
,
1149 ar
->fw_board
+ board_data_size
,
1150 board_ext_data_size
);
1152 ath6kl_err("Failed to write extended board data: %d\n",
1157 /* record that extended board data is initialized */
1158 param
= (board_ext_data_size
<< 16) | 1;
1160 ath6kl_bmi_write(ar
,
1161 ath6kl_get_hi_item_addr(ar
,
1162 HI_ITEM(hi_board_ext_data_config
)),
1163 (unsigned char *) ¶m
, 4);
1166 if (ar
->fw_board_len
< board_data_size
) {
1167 ath6kl_err("Too small board file: %zu\n", ar
->fw_board_len
);
1172 ath6kl_dbg(ATH6KL_DBG_BOOT
, "writing board file to 0x%x (%d B)\n",
1173 board_address
, board_data_size
);
1175 ret
= ath6kl_bmi_write(ar
, board_address
, ar
->fw_board
,
1179 ath6kl_err("Board file bmi write failed: %d\n", ret
);
1183 /* record the fact that Board Data IS initialized */
1185 ath6kl_bmi_write(ar
,
1186 ath6kl_get_hi_item_addr(ar
,
1187 HI_ITEM(hi_board_data_initialized
)),
1193 static int ath6kl_upload_otp(struct ath6kl
*ar
)
1196 bool from_hw
= false;
1199 if (ar
->fw_otp
== NULL
)
1202 address
= ar
->hw
.app_load_addr
;
1204 ath6kl_dbg(ATH6KL_DBG_BOOT
, "writing otp to 0x%x (%zd B)\n", address
,
1207 ret
= ath6kl_bmi_fast_download(ar
, address
, ar
->fw_otp
,
1210 ath6kl_err("Failed to upload OTP file: %d\n", ret
);
1214 /* read firmware start address */
1215 ret
= ath6kl_bmi_read(ar
,
1216 ath6kl_get_hi_item_addr(ar
,
1217 HI_ITEM(hi_app_start
)),
1218 (u8
*) &address
, sizeof(address
));
1221 ath6kl_err("Failed to read hi_app_start: %d\n", ret
);
1225 if (ar
->hw
.app_start_override_addr
== 0) {
1226 ar
->hw
.app_start_override_addr
= address
;
1230 ath6kl_dbg(ATH6KL_DBG_BOOT
, "app_start_override_addr%s 0x%x\n",
1231 from_hw
? " (from hw)" : "",
1232 ar
->hw
.app_start_override_addr
);
1234 /* execute the OTP code */
1235 ath6kl_dbg(ATH6KL_DBG_BOOT
, "executing OTP at 0x%x\n",
1236 ar
->hw
.app_start_override_addr
);
1238 ath6kl_bmi_execute(ar
, ar
->hw
.app_start_override_addr
, ¶m
);
1243 static int ath6kl_upload_firmware(struct ath6kl
*ar
)
1248 if (WARN_ON(ar
->fw
== NULL
))
1251 address
= ar
->hw
.app_load_addr
;
1253 ath6kl_dbg(ATH6KL_DBG_BOOT
, "writing firmware to 0x%x (%zd B)\n",
1254 address
, ar
->fw_len
);
1256 ret
= ath6kl_bmi_fast_download(ar
, address
, ar
->fw
, ar
->fw_len
);
1259 ath6kl_err("Failed to write firmware: %d\n", ret
);
1264 * Set starting address for firmware
1265 * Don't need to setup app_start override addr on AR6004
1267 if (ar
->target_type
!= TARGET_TYPE_AR6004
) {
1268 address
= ar
->hw
.app_start_override_addr
;
1269 ath6kl_bmi_set_app_start(ar
, address
);
1274 static int ath6kl_upload_patch(struct ath6kl
*ar
)
1279 if (ar
->fw_patch
== NULL
)
1282 address
= ar
->hw
.dataset_patch_addr
;
1284 ath6kl_dbg(ATH6KL_DBG_BOOT
, "writing patch to 0x%x (%zd B)\n",
1285 address
, ar
->fw_patch_len
);
1287 ret
= ath6kl_bmi_write(ar
, address
, ar
->fw_patch
, ar
->fw_patch_len
);
1289 ath6kl_err("Failed to write patch file: %d\n", ret
);
1294 ath6kl_bmi_write(ar
,
1295 ath6kl_get_hi_item_addr(ar
,
1296 HI_ITEM(hi_dset_list_head
)),
1297 (unsigned char *) ¶m
, 4);
1302 static int ath6kl_upload_testscript(struct ath6kl
*ar
)
1307 if (ar
->testmode
!= 2)
1310 if (ar
->fw_testscript
== NULL
)
1313 address
= ar
->hw
.testscript_addr
;
1315 ath6kl_dbg(ATH6KL_DBG_BOOT
, "writing testscript to 0x%x (%zd B)\n",
1316 address
, ar
->fw_testscript_len
);
1318 ret
= ath6kl_bmi_write(ar
, address
, ar
->fw_testscript
,
1319 ar
->fw_testscript_len
);
1321 ath6kl_err("Failed to write testscript file: %d\n", ret
);
1326 ath6kl_bmi_write(ar
,
1327 ath6kl_get_hi_item_addr(ar
,
1328 HI_ITEM(hi_ota_testscript
)),
1329 (unsigned char *) ¶m
, 4);
1332 ath6kl_bmi_write(ar
,
1333 ath6kl_get_hi_item_addr(ar
,
1334 HI_ITEM(hi_end_ram_reserve_sz
)),
1335 (unsigned char *) ¶m
, 4);
1338 ath6kl_bmi_write(ar
,
1339 ath6kl_get_hi_item_addr(ar
,
1340 HI_ITEM(hi_test_apps_related
)),
1341 (unsigned char *) ¶m
, 4);
1346 static int ath6kl_init_upload(struct ath6kl
*ar
)
1348 u32 param
, options
, sleep
, address
;
1351 if (ar
->target_type
!= TARGET_TYPE_AR6003
&&
1352 ar
->target_type
!= TARGET_TYPE_AR6004
)
1355 /* temporarily disable system sleep */
1356 address
= MBOX_BASE_ADDRESS
+ LOCAL_SCRATCH_ADDRESS
;
1357 status
= ath6kl_bmi_reg_read(ar
, address
, ¶m
);
1363 param
|= ATH6KL_OPTION_SLEEP_DISABLE
;
1364 status
= ath6kl_bmi_reg_write(ar
, address
, param
);
1368 address
= RTC_BASE_ADDRESS
+ SYSTEM_SLEEP_ADDRESS
;
1369 status
= ath6kl_bmi_reg_read(ar
, address
, ¶m
);
1375 param
|= SM(SYSTEM_SLEEP_DISABLE
, 1);
1376 status
= ath6kl_bmi_reg_write(ar
, address
, param
);
1380 ath6kl_dbg(ATH6KL_DBG_TRC
, "old options: %d, old sleep: %d\n",
1383 /* program analog PLL register */
1384 /* no need to control 40/44MHz clock on AR6004 */
1385 if (ar
->target_type
!= TARGET_TYPE_AR6004
) {
1386 status
= ath6kl_bmi_reg_write(ar
, ATH6KL_ANALOG_PLL_REGISTER
,
1392 /* Run at 80/88MHz by default */
1393 param
= SM(CPU_CLOCK_STANDARD
, 1);
1395 address
= RTC_BASE_ADDRESS
+ CPU_CLOCK_ADDRESS
;
1396 status
= ath6kl_bmi_reg_write(ar
, address
, param
);
1402 address
= RTC_BASE_ADDRESS
+ LPO_CAL_ADDRESS
;
1403 param
= SM(LPO_CAL_ENABLE
, 1);
1404 status
= ath6kl_bmi_reg_write(ar
, address
, param
);
1408 /* WAR to avoid SDIO CRC err */
1409 if (ar
->version
.target_ver
== AR6003_HW_2_0_VERSION
||
1410 ar
->version
.target_ver
== AR6003_HW_2_1_1_VERSION
) {
1411 ath6kl_err("temporary war to avoid sdio crc error\n");
1415 address
= GPIO_BASE_ADDRESS
+ GPIO_PIN10_ADDRESS
;
1416 status
= ath6kl_bmi_reg_write(ar
, address
, param
);
1420 address
= GPIO_BASE_ADDRESS
+ GPIO_PIN11_ADDRESS
;
1421 status
= ath6kl_bmi_reg_write(ar
, address
, param
);
1425 address
= GPIO_BASE_ADDRESS
+ GPIO_PIN12_ADDRESS
;
1426 status
= ath6kl_bmi_reg_write(ar
, address
, param
);
1430 address
= GPIO_BASE_ADDRESS
+ GPIO_PIN13_ADDRESS
;
1431 status
= ath6kl_bmi_reg_write(ar
, address
, param
);
1436 /* write EEPROM data to Target RAM */
1437 status
= ath6kl_upload_board_file(ar
);
1441 /* transfer One time Programmable data */
1442 status
= ath6kl_upload_otp(ar
);
1446 /* Download Target firmware */
1447 status
= ath6kl_upload_firmware(ar
);
1451 status
= ath6kl_upload_patch(ar
);
1455 /* Download the test script */
1456 status
= ath6kl_upload_testscript(ar
);
1460 /* Restore system sleep */
1461 address
= RTC_BASE_ADDRESS
+ SYSTEM_SLEEP_ADDRESS
;
1462 status
= ath6kl_bmi_reg_write(ar
, address
, sleep
);
1466 address
= MBOX_BASE_ADDRESS
+ LOCAL_SCRATCH_ADDRESS
;
1467 param
= options
| 0x20;
1468 status
= ath6kl_bmi_reg_write(ar
, address
, param
);
1475 int ath6kl_init_hw_params(struct ath6kl
*ar
)
1477 const struct ath6kl_hw
*uninitialized_var(hw
);
1480 for (i
= 0; i
< ARRAY_SIZE(hw_list
); i
++) {
1483 if (hw
->id
== ar
->version
.target_ver
)
1487 if (i
== ARRAY_SIZE(hw_list
)) {
1488 ath6kl_err("Unsupported hardware version: 0x%x\n",
1489 ar
->version
.target_ver
);
1495 ath6kl_dbg(ATH6KL_DBG_BOOT
,
1496 "target_ver 0x%x target_type 0x%x dataset_patch 0x%x app_load_addr 0x%x\n",
1497 ar
->version
.target_ver
, ar
->target_type
,
1498 ar
->hw
.dataset_patch_addr
, ar
->hw
.app_load_addr
);
1499 ath6kl_dbg(ATH6KL_DBG_BOOT
,
1500 "app_start_override_addr 0x%x board_ext_data_addr 0x%x reserved_ram_size 0x%x",
1501 ar
->hw
.app_start_override_addr
, ar
->hw
.board_ext_data_addr
,
1502 ar
->hw
.reserved_ram_size
);
1503 ath6kl_dbg(ATH6KL_DBG_BOOT
,
1504 "refclk_hz %d uarttx_pin %d",
1505 ar
->hw
.refclk_hz
, ar
->hw
.uarttx_pin
);
1510 static const char *ath6kl_init_get_hif_name(enum ath6kl_hif_type type
)
1513 case ATH6KL_HIF_TYPE_SDIO
:
1515 case ATH6KL_HIF_TYPE_USB
:
1522 int ath6kl_init_hw_start(struct ath6kl
*ar
)
1527 ath6kl_dbg(ATH6KL_DBG_BOOT
, "hw start\n");
1529 ret
= ath6kl_hif_power_on(ar
);
1533 ret
= ath6kl_configure_target(ar
);
1537 ret
= ath6kl_init_upload(ar
);
1541 /* Do we need to finish the BMI phase */
1542 /* FIXME: return error from ath6kl_bmi_done() */
1543 if (ath6kl_bmi_done(ar
)) {
1549 * The reason we have to wait for the target here is that the
1550 * driver layer has to init BMI in order to set the host block
1553 if (ath6kl_htc_wait_target(ar
->htc_target
)) {
1558 if (ath6kl_init_service_ep(ar
)) {
1560 goto err_cleanup_scatter
;
1563 /* setup credit distribution */
1564 ath6kl_credit_setup(ar
->htc_target
, &ar
->credit_state_info
);
1567 ret
= ath6kl_htc_start(ar
->htc_target
);
1569 /* FIXME: call this */
1570 ath6kl_cookie_cleanup(ar
);
1571 goto err_cleanup_scatter
;
1574 /* Wait for Wmi event to be ready */
1575 timeleft
= wait_event_interruptible_timeout(ar
->event_wq
,
1580 ath6kl_dbg(ATH6KL_DBG_BOOT
, "firmware booted\n");
1583 if (test_and_clear_bit(FIRST_BOOT
, &ar
->flag
)) {
1584 ath6kl_info("%s %s fw %s api %d%s\n",
1586 ath6kl_init_get_hif_name(ar
->hif_type
),
1587 ar
->wiphy
->fw_version
,
1589 test_bit(TESTMODE
, &ar
->flag
) ? " testmode" : "");
1592 if (ar
->version
.abi_ver
!= ATH6KL_ABI_VERSION
) {
1593 ath6kl_err("abi version mismatch: host(0x%x), target(0x%x)\n",
1594 ATH6KL_ABI_VERSION
, ar
->version
.abi_ver
);
1599 if (!timeleft
|| signal_pending(current
)) {
1600 ath6kl_err("wmi is not ready or wait was interrupted\n");
1605 ath6kl_dbg(ATH6KL_DBG_TRC
, "%s: wmi is ready\n", __func__
);
1607 /* communicate the wmi protocol verision to the target */
1608 /* FIXME: return error */
1609 if ((ath6kl_set_host_app_area(ar
)) != 0)
1610 ath6kl_err("unable to set the host app area\n");
1612 for (i
= 0; i
< ar
->vif_max
; i
++) {
1613 ret
= ath6kl_target_config_wlan_params(ar
, i
);
1618 ar
->state
= ATH6KL_STATE_ON
;
1623 ath6kl_htc_stop(ar
->htc_target
);
1624 err_cleanup_scatter
:
1625 ath6kl_hif_cleanup_scatter(ar
);
1627 ath6kl_hif_power_off(ar
);
1632 int ath6kl_init_hw_stop(struct ath6kl
*ar
)
1636 ath6kl_dbg(ATH6KL_DBG_BOOT
, "hw stop\n");
1638 ath6kl_htc_stop(ar
->htc_target
);
1640 ath6kl_hif_stop(ar
);
1642 ath6kl_bmi_reset(ar
);
1644 ret
= ath6kl_hif_power_off(ar
);
1646 ath6kl_warn("failed to power off hif: %d\n", ret
);
1648 ar
->state
= ATH6KL_STATE_OFF
;
1653 /* FIXME: move this to cfg80211.c and rename to ath6kl_cfg80211_vif_stop() */
1654 void ath6kl_cleanup_vif(struct ath6kl_vif
*vif
, bool wmi_ready
)
1656 static u8 bcast_mac
[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1659 netif_stop_queue(vif
->ndev
);
1661 clear_bit(WLAN_ENABLED
, &vif
->flags
);
1664 discon_issued
= test_bit(CONNECTED
, &vif
->flags
) ||
1665 test_bit(CONNECT_PEND
, &vif
->flags
);
1666 ath6kl_disconnect(vif
);
1667 del_timer(&vif
->disconnect_timer
);
1670 ath6kl_disconnect_event(vif
, DISCONNECT_CMD
,
1671 (vif
->nw_type
& AP_NETWORK
) ?
1672 bcast_mac
: vif
->bssid
,
1676 if (vif
->scan_req
) {
1677 cfg80211_scan_done(vif
->scan_req
, true);
1678 vif
->scan_req
= NULL
;
1682 void ath6kl_stop_txrx(struct ath6kl
*ar
)
1684 struct ath6kl_vif
*vif
, *tmp_vif
;
1687 set_bit(DESTROY_IN_PROGRESS
, &ar
->flag
);
1689 if (down_interruptible(&ar
->sem
)) {
1690 ath6kl_err("down_interruptible failed\n");
1694 for (i
= 0; i
< AP_MAX_NUM_STA
; i
++)
1695 aggr_reset_state(ar
->sta_list
[i
].aggr_conn
);
1697 spin_lock_bh(&ar
->list_lock
);
1698 list_for_each_entry_safe(vif
, tmp_vif
, &ar
->vif_list
, list
) {
1699 list_del(&vif
->list
);
1700 spin_unlock_bh(&ar
->list_lock
);
1701 ath6kl_cleanup_vif(vif
, test_bit(WMI_READY
, &ar
->flag
));
1703 ath6kl_cfg80211_vif_cleanup(vif
);
1705 spin_lock_bh(&ar
->list_lock
);
1707 spin_unlock_bh(&ar
->list_lock
);
1709 clear_bit(WMI_READY
, &ar
->flag
);
1712 * After wmi_shudown all WMI events will be dropped. We
1713 * need to cleanup the buffers allocated in AP mode and
1714 * give disconnect notification to stack, which usually
1715 * happens in the disconnect_event. Simulate the disconnect
1716 * event by calling the function directly. Sometimes
1717 * disconnect_event will be received when the debug logs
1720 ath6kl_wmi_shutdown(ar
->wmi
);
1722 clear_bit(WMI_ENABLED
, &ar
->flag
);
1723 if (ar
->htc_target
) {
1724 ath6kl_dbg(ATH6KL_DBG_TRC
, "%s: shut down htc\n", __func__
);
1725 ath6kl_htc_stop(ar
->htc_target
);
1729 * Try to reset the device if we can. The driver may have been
1730 * configure NOT to reset the target during a debug session.
1732 ath6kl_dbg(ATH6KL_DBG_TRC
,
1733 "attempting to reset target on instance destroy\n");
1734 ath6kl_reset_device(ar
, ar
->target_type
, true, true);
1736 clear_bit(WLAN_ENABLED
, &ar
->flag
);
1740 EXPORT_SYMBOL(ath6kl_stop_txrx
);