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,
50
.fw_otp = AR6003_HW_2_0_OTP_FILE,
51
.fw = AR6003_HW_2_0_FIRMWARE_FILE,
52
.fw_tcmd = AR6003_HW_2_0_TCMD_FIRMWARE_FILE,
53
.fw_patch = AR6003_HW_2_0_PATCH_FILE,
54
.fw_api2 = AR6003_HW_2_0_FIRMWARE_2_FILE,
55
.fw_board = AR6003_HW_2_0_BOARD_DATA_FILE,
56
.fw_default_board = AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE,
59
.id = AR6003_HW_2_1_1_VERSION,
60
.name = "ar6003 hw 2.1.1",
61
.dataset_patch_addr = 0x57ff74,
62
.app_load_addr = 0x1234,
63
.board_ext_data_addr = 0x542330,
64
.reserved_ram_size = 512,
65
.refclk_hz = 26000000,
68
.fw_otp = AR6003_HW_2_1_1_OTP_FILE,
69
.fw = AR6003_HW_2_1_1_FIRMWARE_FILE,
70
.fw_tcmd = AR6003_HW_2_1_1_TCMD_FIRMWARE_FILE,
71
.fw_patch = AR6003_HW_2_1_1_PATCH_FILE,
72
.fw_api2 = AR6003_HW_2_1_1_FIRMWARE_2_FILE,
73
.fw_board = AR6003_HW_2_1_1_BOARD_DATA_FILE,
74
.fw_default_board = AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE,
77
.id = AR6004_HW_1_0_VERSION,
78
.name = "ar6004 hw 1.0",
79
.dataset_patch_addr = 0x57e884,
80
.app_load_addr = 0x1234,
81
.board_ext_data_addr = 0x437000,
82
.reserved_ram_size = 19456,
83
.board_addr = 0x433900,
84
.refclk_hz = 26000000,
87
.fw = AR6004_HW_1_0_FIRMWARE_FILE,
88
.fw_api2 = AR6004_HW_1_0_FIRMWARE_2_FILE,
89
.fw_board = AR6004_HW_1_0_BOARD_DATA_FILE,
90
.fw_default_board = AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE,
93
.id = AR6004_HW_1_1_VERSION,
94
.name = "ar6004 hw 1.1",
95
.dataset_patch_addr = 0x57e884,
96
.app_load_addr = 0x1234,
97
.board_ext_data_addr = 0x437000,
98
.reserved_ram_size = 11264,
99
.board_addr = 0x43d400,
100
.refclk_hz = 40000000,
103
.fw = AR6004_HW_1_1_FIRMWARE_FILE,
104
.fw_api2 = AR6004_HW_1_1_FIRMWARE_2_FILE,
105
.fw_board = AR6004_HW_1_1_BOARD_DATA_FILE,
106
.fw_default_board = AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE,
111
* Include definitions here that can be used to tune the WLAN module
112
* behavior. Different customers can tune the behavior as per their needs,
117
* This configuration item enable/disable keepalive support.
118
* Keepalive support: In the absence of any data traffic to AP, null
119
* frames will be sent to the AP at periodic interval, to keep the association
120
* active. This configuration item defines the periodic interval.
121
* Use value of zero to disable keepalive support
122
* Default: 60 seconds
124
#define WLAN_CONFIG_KEEP_ALIVE_INTERVAL 60
127
* This configuration item sets the value of disconnect timeout
128
* Firmware delays sending the disconnec event to the host for this
129
* timeout after is gets disconnected from the current AP.
130
* If the firmware successly roams within the disconnect timeout
131
* it sends a new connect event
133
#define WLAN_CONFIG_DISCONNECT_TIMEOUT 10
136
#define ATH6KL_DATA_OFFSET 64
137
struct sk_buff *ath6kl_buf_alloc(int size)
142
/* Add chacheline space at front and back of buffer */
143
reserved = (2 * L1_CACHE_BYTES) + ATH6KL_DATA_OFFSET +
144
sizeof(struct htc_packet) + ATH6KL_HTC_ALIGN_BYTES;
145
skb = dev_alloc_skb(size + reserved);
148
skb_reserve(skb, reserved - L1_CACHE_BYTES);
152
void ath6kl_init_profile_info(struct ath6kl_vif *vif)
155
memset(vif->ssid, 0, sizeof(vif->ssid));
157
vif->dot11_auth_mode = OPEN_AUTH;
158
vif->auth_mode = NONE_AUTH;
159
vif->prwise_crypto = NONE_CRYPT;
160
vif->prwise_crypto_len = 0;
161
vif->grp_crypto = NONE_CRYPT;
162
vif->grp_crypto_len = 0;
163
memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list));
164
memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
165
memset(vif->bssid, 0, sizeof(vif->bssid));
169
static int ath6kl_set_host_app_area(struct ath6kl *ar)
172
struct host_app_area host_app_area;
174
/* Fetch the address of the host_app_area_s
175
* instance in the host interest area */
176
address = ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_app_host_interest));
177
address = TARG_VTOP(ar->target_type, address);
179
if (ath6kl_diag_read32(ar, address, &data))
182
address = TARG_VTOP(ar->target_type, data);
183
host_app_area.wmi_protocol_ver = cpu_to_le32(WMI_PROTOCOL_VERSION);
184
if (ath6kl_diag_write(ar, address, (u8 *) &host_app_area,
185
sizeof(struct host_app_area)))
191
static inline void set_ac2_ep_map(struct ath6kl *ar,
193
enum htc_endpoint_id ep)
195
ar->ac2ep_map[ac] = ep;
196
ar->ep2ac_map[ep] = ac;
199
/* connect to a service */
200
static int ath6kl_connectservice(struct ath6kl *ar,
201
struct htc_service_connect_req *con_req,
205
struct htc_service_connect_resp response;
207
memset(&response, 0, sizeof(response));
209
status = ath6kl_htc_conn_service(ar->htc_target, con_req, &response);
211
ath6kl_err("failed to connect to %s service status:%d\n",
216
switch (con_req->svc_id) {
217
case WMI_CONTROL_SVC:
218
if (test_bit(WMI_ENABLED, &ar->flag))
219
ath6kl_wmi_set_control_ep(ar->wmi, response.endpoint);
220
ar->ctrl_ep = response.endpoint;
222
case WMI_DATA_BE_SVC:
223
set_ac2_ep_map(ar, WMM_AC_BE, response.endpoint);
225
case WMI_DATA_BK_SVC:
226
set_ac2_ep_map(ar, WMM_AC_BK, response.endpoint);
228
case WMI_DATA_VI_SVC:
229
set_ac2_ep_map(ar, WMM_AC_VI, response.endpoint);
231
case WMI_DATA_VO_SVC:
232
set_ac2_ep_map(ar, WMM_AC_VO, response.endpoint);
235
ath6kl_err("service id is not mapped %d\n", con_req->svc_id);
242
static int ath6kl_init_service_ep(struct ath6kl *ar)
244
struct htc_service_connect_req connect;
246
memset(&connect, 0, sizeof(connect));
248
/* these fields are the same for all service endpoints */
249
connect.ep_cb.rx = ath6kl_rx;
250
connect.ep_cb.rx_refill = ath6kl_rx_refill;
251
connect.ep_cb.tx_full = ath6kl_tx_queue_full;
254
* Set the max queue depth so that our ath6kl_tx_queue_full handler
257
connect.max_txq_depth = MAX_DEFAULT_SEND_QUEUE_DEPTH;
258
connect.ep_cb.rx_refill_thresh = ATH6KL_MAX_RX_BUFFERS / 4;
259
if (!connect.ep_cb.rx_refill_thresh)
260
connect.ep_cb.rx_refill_thresh++;
262
/* connect to control service */
263
connect.svc_id = WMI_CONTROL_SVC;
264
if (ath6kl_connectservice(ar, &connect, "WMI CONTROL"))
267
connect.flags |= HTC_FLGS_TX_BNDL_PAD_EN;
270
* Limit the HTC message size on the send path, although e can
271
* receive A-MSDU frames of 4K, we will only send ethernet-sized
272
* (802.3) frames on the send path.
274
connect.max_rxmsg_sz = WMI_MAX_TX_DATA_FRAME_LENGTH;
277
* To reduce the amount of committed memory for larger A_MSDU
278
* frames, use the recv-alloc threshold mechanism for larger
281
connect.ep_cb.rx_alloc_thresh = ATH6KL_BUFFER_SIZE;
282
connect.ep_cb.rx_allocthresh = ath6kl_alloc_amsdu_rxbuf;
285
* For the remaining data services set the connection flag to
286
* reduce dribbling, if configured to do so.
288
connect.conn_flags |= HTC_CONN_FLGS_REDUCE_CRED_DRIB;
289
connect.conn_flags &= ~HTC_CONN_FLGS_THRESH_MASK;
290
connect.conn_flags |= HTC_CONN_FLGS_THRESH_LVL_HALF;
292
connect.svc_id = WMI_DATA_BE_SVC;
294
if (ath6kl_connectservice(ar, &connect, "WMI DATA BE"))
297
/* connect to back-ground map this to WMI LOW_PRI */
298
connect.svc_id = WMI_DATA_BK_SVC;
299
if (ath6kl_connectservice(ar, &connect, "WMI DATA BK"))
302
/* connect to Video service, map this to to HI PRI */
303
connect.svc_id = WMI_DATA_VI_SVC;
304
if (ath6kl_connectservice(ar, &connect, "WMI DATA VI"))
308
* Connect to VO service, this is currently not mapped to a WMI
309
* priority stream due to historical reasons. WMI originally
310
* defined 3 priorities over 3 mailboxes We can change this when
311
* WMI is reworked so that priorities are not dependent on
314
connect.svc_id = WMI_DATA_VO_SVC;
315
if (ath6kl_connectservice(ar, &connect, "WMI DATA VO"))
321
void ath6kl_init_control_info(struct ath6kl_vif *vif)
323
ath6kl_init_profile_info(vif);
324
vif->def_txkey_index = 0;
325
memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list));
330
* Set HTC/Mbox operational parameters, this can only be called when the
331
* target is in the BMI phase.
333
static int ath6kl_set_htc_params(struct ath6kl *ar, u32 mbox_isr_yield_val,
339
blk_size = ar->mbox_info.block_size;
342
blk_size |= ((u32)htc_ctrl_buf) << 16;
344
/* set the host interest area for the block size */
345
status = ath6kl_bmi_write(ar,
346
ath6kl_get_hi_item_addr(ar,
347
HI_ITEM(hi_mbox_io_block_sz)),
351
ath6kl_err("bmi_write_memory for IO block size failed\n");
355
ath6kl_dbg(ATH6KL_DBG_TRC, "block size set: %d (target addr:0x%X)\n",
357
ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_mbox_io_block_sz)));
359
if (mbox_isr_yield_val) {
360
/* set the host interest area for the mbox ISR yield limit */
361
status = ath6kl_bmi_write(ar,
362
ath6kl_get_hi_item_addr(ar,
363
HI_ITEM(hi_mbox_isr_yield_limit)),
364
(u8 *)&mbox_isr_yield_val,
367
ath6kl_err("bmi_write_memory for yield limit failed\n");
376
static int ath6kl_target_config_wlan_params(struct ath6kl *ar, int idx)
382
* Configure the device for rx dot11 header rules. "0,0" are the
383
* default values. Required if checksum offload is needed. Set
384
* RxMetaVersion to 2.
386
if (ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, idx,
387
ar->rx_meta_ver, 0, 0)) {
388
ath6kl_err("unable to set the rx frame format\n");
392
if (ar->conf_flags & ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN)
393
if ((ath6kl_wmi_pmparams_cmd(ar->wmi, idx, 0, 1, 0, 0, 1,
394
IGNORE_POWER_SAVE_FAIL_EVENT_DURING_SCAN)) != 0) {
395
ath6kl_err("unable to set power save fail event policy\n");
399
if (!(ar->conf_flags & ATH6KL_CONF_IGNORE_ERP_BARKER))
400
if ((ath6kl_wmi_set_lpreamble_cmd(ar->wmi, idx, 0,
401
WMI_DONOT_IGNORE_BARKER_IN_ERP)) != 0) {
402
ath6kl_err("unable to set barker preamble policy\n");
406
if (ath6kl_wmi_set_keepalive_cmd(ar->wmi, idx,
407
WLAN_CONFIG_KEEP_ALIVE_INTERVAL)) {
408
ath6kl_err("unable to set keep alive interval\n");
412
if (ath6kl_wmi_disctimeout_cmd(ar->wmi, idx,
413
WLAN_CONFIG_DISCONNECT_TIMEOUT)) {
414
ath6kl_err("unable to set disconnect timeout\n");
418
if (!(ar->conf_flags & ATH6KL_CONF_ENABLE_TX_BURST))
419
if (ath6kl_wmi_set_wmm_txop(ar->wmi, idx, WMI_TXOP_DISABLED)) {
420
ath6kl_err("unable to set txop bursting\n");
424
if (ar->p2p && (ar->vif_max == 1 || idx)) {
425
ret = ath6kl_wmi_info_req_cmd(ar->wmi, idx,
426
P2P_FLAG_CAPABILITIES_REQ |
427
P2P_FLAG_MACADDR_REQ |
428
P2P_FLAG_HMODEL_REQ);
430
ath6kl_dbg(ATH6KL_DBG_TRC, "failed to request P2P "
431
"capabilities (%d) - assuming P2P not "
437
if (ar->p2p && (ar->vif_max == 1 || idx)) {
438
/* Enable Probe Request reporting for P2P */
439
ret = ath6kl_wmi_probe_report_req_cmd(ar->wmi, idx, true);
441
ath6kl_dbg(ATH6KL_DBG_TRC, "failed to enable Probe "
442
"Request reporting (%d)\n", ret);
449
int ath6kl_configure_target(struct ath6kl *ar)
451
u32 param, ram_reserved_size;
452
u8 fw_iftype, fw_mode = 0, fw_submode = 0;
456
* Note: Even though the firmware interface type is
457
* chosen as BSS_STA for all three interfaces, can
458
* be configured to IBSS/AP as long as the fw submode
459
* remains normal mode (0 - AP, STA and IBSS). But
460
* due to an target assert in firmware only one interface is
461
* configured for now.
463
fw_iftype = HI_OPTION_FW_MODE_BSS_STA;
465
for (i = 0; i < ar->vif_max; i++)
466
fw_mode |= fw_iftype << (i * HI_OPTION_FW_MODE_BITS);
469
* By default, submodes :
470
* vif[0] - AP/STA/IBSS
471
* vif[1] - "P2P dev"/"P2P GO"/"P2P Client"
472
* vif[2] - "P2P dev"/"P2P GO"/"P2P Client"
475
for (i = 0; i < ar->max_norm_iface; i++)
476
fw_submode |= HI_OPTION_FW_SUBMODE_NONE <<
477
(i * HI_OPTION_FW_SUBMODE_BITS);
479
for (i = ar->max_norm_iface; i < ar->vif_max; i++)
480
fw_submode |= HI_OPTION_FW_SUBMODE_P2PDEV <<
481
(i * HI_OPTION_FW_SUBMODE_BITS);
483
if (ar->p2p && ar->vif_max == 1)
484
fw_submode = HI_OPTION_FW_SUBMODE_P2PDEV;
486
param = HTC_PROTOCOL_VERSION;
487
if (ath6kl_bmi_write(ar,
488
ath6kl_get_hi_item_addr(ar,
489
HI_ITEM(hi_app_host_interest)),
490
(u8 *)¶m, 4) != 0) {
491
ath6kl_err("bmi_write_memory for htc version failed\n");
495
/* set the firmware mode to STA/IBSS/AP */
498
if (ath6kl_bmi_read(ar,
499
ath6kl_get_hi_item_addr(ar,
500
HI_ITEM(hi_option_flag)),
501
(u8 *)¶m, 4) != 0) {
502
ath6kl_err("bmi_read_memory for setting fwmode failed\n");
506
param |= (ar->vif_max << HI_OPTION_NUM_DEV_SHIFT);
507
param |= fw_mode << HI_OPTION_FW_MODE_SHIFT;
508
param |= fw_submode << HI_OPTION_FW_SUBMODE_SHIFT;
510
param |= (0 << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
511
param |= (0 << HI_OPTION_FW_BRIDGE_SHIFT);
513
if (ath6kl_bmi_write(ar,
514
ath6kl_get_hi_item_addr(ar,
515
HI_ITEM(hi_option_flag)),
518
ath6kl_err("bmi_write_memory for setting fwmode failed\n");
522
ath6kl_dbg(ATH6KL_DBG_TRC, "firmware mode set\n");
525
* Hardcode the address use for the extended board data
526
* Ideally this should be pre-allocate by the OS at boot time
527
* But since it is a new feature and board data is loaded
528
* at init time, we have to workaround this from host.
529
* It is difficult to patch the firmware boot code,
530
* but possible in theory.
533
param = ar->hw.board_ext_data_addr;
534
ram_reserved_size = ar->hw.reserved_ram_size;
536
if (ath6kl_bmi_write(ar, ath6kl_get_hi_item_addr(ar,
537
HI_ITEM(hi_board_ext_data)),
538
(u8 *)¶m, 4) != 0) {
539
ath6kl_err("bmi_write_memory for hi_board_ext_data failed\n");
543
if (ath6kl_bmi_write(ar, ath6kl_get_hi_item_addr(ar,
544
HI_ITEM(hi_end_ram_reserve_sz)),
545
(u8 *)&ram_reserved_size, 4) != 0) {
546
ath6kl_err("bmi_write_memory for hi_end_ram_reserve_sz failed\n");
550
/* set the block size for the target */
551
if (ath6kl_set_htc_params(ar, MBOX_YIELD_LIMIT, 0))
552
/* use default number of control buffers */
555
/* Configure GPIO AR600x UART */
556
param = ar->hw.uarttx_pin;
557
status = ath6kl_bmi_write(ar,
558
ath6kl_get_hi_item_addr(ar,
559
HI_ITEM(hi_dbg_uart_txpin)),
564
/* Configure target refclk_hz */
565
param = ar->hw.refclk_hz;
566
status = ath6kl_bmi_write(ar,
567
ath6kl_get_hi_item_addr(ar,
568
HI_ITEM(hi_refclk_hz)),
576
void ath6kl_core_free(struct ath6kl *ar)
578
wiphy_free(ar->wiphy);
581
void ath6kl_core_cleanup(struct ath6kl *ar)
583
ath6kl_hif_power_off(ar);
585
destroy_workqueue(ar->ath6kl_wq);
588
ath6kl_htc_cleanup(ar->htc_target);
590
ath6kl_cookie_cleanup(ar);
592
ath6kl_cleanup_amsdu_rxbufs(ar);
594
ath6kl_bmi_cleanup(ar);
596
ath6kl_debug_cleanup(ar);
603
ath6kl_deinit_ieee80211_hw(ar);
606
/* firmware upload */
607
static int ath6kl_get_fw(struct ath6kl *ar, const char *filename,
608
u8 **fw, size_t *fw_len)
610
const struct firmware *fw_entry;
613
ret = request_firmware(&fw_entry, filename, ar->dev);
617
*fw_len = fw_entry->size;
618
*fw = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL);
623
release_firmware(fw_entry);
629
static const char *get_target_ver_dir(const struct ath6kl *ar)
631
switch (ar->version.target_ver) {
632
case AR6003_HW_1_0_VERSION:
633
return "ath6k/AR6003/hw1.0";
634
case AR6003_HW_2_0_VERSION:
635
return "ath6k/AR6003/hw2.0";
636
case AR6003_HW_2_1_1_VERSION:
637
return "ath6k/AR6003/hw2.1.1";
639
ath6kl_warn("%s: unsupported target version 0x%x.\n", __func__,
640
ar->version.target_ver);
645
* Check the device tree for a board-id and use it to construct
646
* the pathname to the firmware file. Used (for now) to find a
647
* fallback to the "bdata.bin" file--typically a symlink to the
648
* appropriate board-specific file.
650
static bool check_device_tree(struct ath6kl *ar)
652
static const char *board_id_prop = "atheros,board-id";
653
struct device_node *node;
654
char board_filename[64];
655
const char *board_id;
658
for_each_compatible_node(node, NULL, "atheros,ath6kl") {
659
board_id = of_get_property(node, board_id_prop, NULL);
660
if (board_id == NULL) {
661
ath6kl_warn("No \"%s\" property on %s node.\n",
662
board_id_prop, node->name);
665
snprintf(board_filename, sizeof(board_filename),
666
"%s/bdata.%s.bin", get_target_ver_dir(ar), board_id);
668
ret = ath6kl_get_fw(ar, board_filename, &ar->fw_board,
671
ath6kl_err("Failed to get DT board file %s: %d\n",
672
board_filename, ret);
680
static bool check_device_tree(struct ath6kl *ar)
684
#endif /* CONFIG_OF */
686
static int ath6kl_fetch_board_file(struct ath6kl *ar)
688
const char *filename;
691
if (ar->fw_board != NULL)
694
if (WARN_ON(ar->hw.fw_board == NULL))
697
filename = ar->hw.fw_board;
699
ret = ath6kl_get_fw(ar, filename, &ar->fw_board,
702
/* managed to get proper board file */
706
if (check_device_tree(ar)) {
707
/* got board file from device tree */
711
/* there was no proper board file, try to use default instead */
712
ath6kl_warn("Failed to get board file %s (%d), trying to find default board file.\n",
715
filename = ar->hw.fw_default_board;
717
ret = ath6kl_get_fw(ar, filename, &ar->fw_board,
720
ath6kl_err("Failed to get default board file %s: %d\n",
725
ath6kl_warn("WARNING! No proper board file was not found, instead using a default board file.\n");
726
ath6kl_warn("Most likely your hardware won't work as specified. Install correct board file!\n");
731
static int ath6kl_fetch_otp_file(struct ath6kl *ar)
733
const char *filename;
736
if (ar->fw_otp != NULL)
739
if (ar->hw.fw_otp == NULL) {
740
ath6kl_dbg(ATH6KL_DBG_BOOT,
741
"no OTP file configured for this hw\n");
745
filename = ar->hw.fw_otp;
747
ret = ath6kl_get_fw(ar, filename, &ar->fw_otp,
750
ath6kl_err("Failed to get OTP file %s: %d\n",
758
static int ath6kl_fetch_fw_file(struct ath6kl *ar)
760
const char *filename;
767
if (ar->hw.fw_tcmd == NULL) {
768
ath6kl_warn("testmode not supported\n");
772
filename = ar->hw.fw_tcmd;
774
set_bit(TESTMODE, &ar->flag);
779
if (WARN_ON(ar->hw.fw == NULL))
782
filename = ar->hw.fw;
785
ret = ath6kl_get_fw(ar, filename, &ar->fw, &ar->fw_len);
787
ath6kl_err("Failed to get firmware file %s: %d\n",
795
static int ath6kl_fetch_patch_file(struct ath6kl *ar)
797
const char *filename;
800
if (ar->fw_patch != NULL)
803
if (ar->hw.fw_patch == NULL)
806
filename = ar->hw.fw_patch;
808
ret = ath6kl_get_fw(ar, filename, &ar->fw_patch,
811
ath6kl_err("Failed to get patch file %s: %d\n",
819
static int ath6kl_fetch_fw_api1(struct ath6kl *ar)
823
ret = ath6kl_fetch_otp_file(ar);
827
ret = ath6kl_fetch_fw_file(ar);
831
ret = ath6kl_fetch_patch_file(ar);
838
static int ath6kl_fetch_fw_api2(struct ath6kl *ar)
840
size_t magic_len, len, ie_len;
841
const struct firmware *fw;
842
struct ath6kl_fw_ie *hdr;
843
const char *filename;
845
int ret, ie_id, i, index, bit;
848
if (ar->hw.fw_api2 == NULL)
851
filename = ar->hw.fw_api2;
853
ret = request_firmware(&fw, filename, ar->dev);
860
/* magic also includes the null byte, check that as well */
861
magic_len = strlen(ATH6KL_FIRMWARE_MAGIC) + 1;
863
if (len < magic_len) {
868
if (memcmp(data, ATH6KL_FIRMWARE_MAGIC, magic_len) != 0) {
877
while (len > sizeof(struct ath6kl_fw_ie)) {
878
/* hdr is unaligned! */
879
hdr = (struct ath6kl_fw_ie *) data;
881
ie_id = le32_to_cpup(&hdr->id);
882
ie_len = le32_to_cpup(&hdr->len);
885
data += sizeof(*hdr);
893
case ATH6KL_FW_IE_OTP_IMAGE:
894
ath6kl_dbg(ATH6KL_DBG_BOOT, "found otp image ie (%zd B)\n",
897
ar->fw_otp = kmemdup(data, ie_len, GFP_KERNEL);
899
if (ar->fw_otp == NULL) {
904
ar->fw_otp_len = ie_len;
906
case ATH6KL_FW_IE_FW_IMAGE:
907
ath6kl_dbg(ATH6KL_DBG_BOOT, "found fw image ie (%zd B)\n",
910
ar->fw = kmemdup(data, ie_len, GFP_KERNEL);
912
if (ar->fw == NULL) {
919
case ATH6KL_FW_IE_PATCH_IMAGE:
920
ath6kl_dbg(ATH6KL_DBG_BOOT, "found patch image ie (%zd B)\n",
923
ar->fw_patch = kmemdup(data, ie_len, GFP_KERNEL);
925
if (ar->fw_patch == NULL) {
930
ar->fw_patch_len = ie_len;
932
case ATH6KL_FW_IE_RESERVED_RAM_SIZE:
933
val = (__le32 *) data;
934
ar->hw.reserved_ram_size = le32_to_cpup(val);
936
ath6kl_dbg(ATH6KL_DBG_BOOT,
937
"found reserved ram size ie 0x%d\n",
938
ar->hw.reserved_ram_size);
940
case ATH6KL_FW_IE_CAPABILITIES:
941
if (ie_len < DIV_ROUND_UP(ATH6KL_FW_CAPABILITY_MAX, 8))
944
ath6kl_dbg(ATH6KL_DBG_BOOT,
945
"found firmware capabilities ie (%zd B)\n",
948
for (i = 0; i < ATH6KL_FW_CAPABILITY_MAX; i++) {
952
if (data[index] & (1 << bit))
953
__set_bit(i, ar->fw_capabilities);
956
ath6kl_dbg_dump(ATH6KL_DBG_BOOT, "capabilities", "",
958
sizeof(ar->fw_capabilities));
960
case ATH6KL_FW_IE_PATCH_ADDR:
961
if (ie_len != sizeof(*val))
964
val = (__le32 *) data;
965
ar->hw.dataset_patch_addr = le32_to_cpup(val);
967
ath6kl_dbg(ATH6KL_DBG_BOOT,
968
"found patch address ie 0x%x\n",
969
ar->hw.dataset_patch_addr);
971
case ATH6KL_FW_IE_BOARD_ADDR:
972
if (ie_len != sizeof(*val))
975
val = (__le32 *) data;
976
ar->hw.board_addr = le32_to_cpup(val);
978
ath6kl_dbg(ATH6KL_DBG_BOOT,
979
"found board address ie 0x%x\n",
982
case ATH6KL_FW_IE_VIF_MAX:
983
if (ie_len != sizeof(*val))
986
val = (__le32 *) data;
987
ar->vif_max = min_t(unsigned int, le32_to_cpup(val),
990
if (ar->vif_max > 1 && !ar->p2p)
991
ar->max_norm_iface = 2;
993
ath6kl_dbg(ATH6KL_DBG_BOOT,
994
"found vif max ie %d\n", ar->vif_max);
997
ath6kl_dbg(ATH6KL_DBG_BOOT, "Unknown fw ie: %u\n",
998
le32_to_cpup(&hdr->id));
1008
release_firmware(fw);
1013
static int ath6kl_fetch_firmwares(struct ath6kl *ar)
1017
ret = ath6kl_fetch_board_file(ar);
1021
ret = ath6kl_fetch_fw_api2(ar);
1023
ath6kl_dbg(ATH6KL_DBG_BOOT, "using fw api 2\n");
1027
ret = ath6kl_fetch_fw_api1(ar);
1031
ath6kl_dbg(ATH6KL_DBG_BOOT, "using fw api 1\n");
1036
static int ath6kl_upload_board_file(struct ath6kl *ar)
1038
u32 board_address, board_ext_address, param;
1039
u32 board_data_size, board_ext_data_size;
1042
if (WARN_ON(ar->fw_board == NULL))
1046
* Determine where in Target RAM to write Board Data.
1047
* For AR6004, host determine Target RAM address for
1048
* writing board data.
1050
if (ar->hw.board_addr != 0) {
1051
board_address = ar->hw.board_addr;
1052
ath6kl_bmi_write(ar,
1053
ath6kl_get_hi_item_addr(ar,
1054
HI_ITEM(hi_board_data)),
1055
(u8 *) &board_address, 4);
1058
ath6kl_get_hi_item_addr(ar,
1059
HI_ITEM(hi_board_data)),
1060
(u8 *) &board_address, 4);
1063
/* determine where in target ram to write extended board data */
1065
ath6kl_get_hi_item_addr(ar,
1066
HI_ITEM(hi_board_ext_data)),
1067
(u8 *) &board_ext_address, 4);
1069
if (ar->target_type == TARGET_TYPE_AR6003 &&
1070
board_ext_address == 0) {
1071
ath6kl_err("Failed to get board file target address.\n");
1075
switch (ar->target_type) {
1076
case TARGET_TYPE_AR6003:
1077
board_data_size = AR6003_BOARD_DATA_SZ;
1078
board_ext_data_size = AR6003_BOARD_EXT_DATA_SZ;
1080
case TARGET_TYPE_AR6004:
1081
board_data_size = AR6004_BOARD_DATA_SZ;
1082
board_ext_data_size = AR6004_BOARD_EXT_DATA_SZ;
1090
if (board_ext_address &&
1091
ar->fw_board_len == (board_data_size + board_ext_data_size)) {
1093
/* write extended board data */
1094
ath6kl_dbg(ATH6KL_DBG_BOOT,
1095
"writing extended board data to 0x%x (%d B)\n",
1096
board_ext_address, board_ext_data_size);
1098
ret = ath6kl_bmi_write(ar, board_ext_address,
1099
ar->fw_board + board_data_size,
1100
board_ext_data_size);
1102
ath6kl_err("Failed to write extended board data: %d\n",
1107
/* record that extended board data is initialized */
1108
param = (board_ext_data_size << 16) | 1;
1110
ath6kl_bmi_write(ar,
1111
ath6kl_get_hi_item_addr(ar,
1112
HI_ITEM(hi_board_ext_data_config)),
1113
(unsigned char *) ¶m, 4);
1116
if (ar->fw_board_len < board_data_size) {
1117
ath6kl_err("Too small board file: %zu\n", ar->fw_board_len);
1122
ath6kl_dbg(ATH6KL_DBG_BOOT, "writing board file to 0x%x (%d B)\n",
1123
board_address, board_data_size);
1125
ret = ath6kl_bmi_write(ar, board_address, ar->fw_board,
1129
ath6kl_err("Board file bmi write failed: %d\n", ret);
1133
/* record the fact that Board Data IS initialized */
1135
ath6kl_bmi_write(ar,
1136
ath6kl_get_hi_item_addr(ar,
1137
HI_ITEM(hi_board_data_initialized)),
1143
static int ath6kl_upload_otp(struct ath6kl *ar)
1146
bool from_hw = false;
1149
if (ar->fw_otp == NULL)
1152
address = ar->hw.app_load_addr;
1154
ath6kl_dbg(ATH6KL_DBG_BOOT, "writing otp to 0x%x (%zd B)\n", address,
1157
ret = ath6kl_bmi_fast_download(ar, address, ar->fw_otp,
1160
ath6kl_err("Failed to upload OTP file: %d\n", ret);
1164
/* read firmware start address */
1165
ret = ath6kl_bmi_read(ar,
1166
ath6kl_get_hi_item_addr(ar,
1167
HI_ITEM(hi_app_start)),
1168
(u8 *) &address, sizeof(address));
1171
ath6kl_err("Failed to read hi_app_start: %d\n", ret);
1175
if (ar->hw.app_start_override_addr == 0) {
1176
ar->hw.app_start_override_addr = address;
1180
ath6kl_dbg(ATH6KL_DBG_BOOT, "app_start_override_addr%s 0x%x\n",
1181
from_hw ? " (from hw)" : "",
1182
ar->hw.app_start_override_addr);
1184
/* execute the OTP code */
1185
ath6kl_dbg(ATH6KL_DBG_BOOT, "executing OTP at 0x%x\n",
1186
ar->hw.app_start_override_addr);
1188
ath6kl_bmi_execute(ar, ar->hw.app_start_override_addr, ¶m);
1193
static int ath6kl_upload_firmware(struct ath6kl *ar)
1198
if (WARN_ON(ar->fw == NULL))
1201
address = ar->hw.app_load_addr;
1203
ath6kl_dbg(ATH6KL_DBG_BOOT, "writing firmware to 0x%x (%zd B)\n",
1204
address, ar->fw_len);
1206
ret = ath6kl_bmi_fast_download(ar, address, ar->fw, ar->fw_len);
1209
ath6kl_err("Failed to write firmware: %d\n", ret);
1214
* Set starting address for firmware
1215
* Don't need to setup app_start override addr on AR6004
1217
if (ar->target_type != TARGET_TYPE_AR6004) {
1218
address = ar->hw.app_start_override_addr;
1219
ath6kl_bmi_set_app_start(ar, address);
1224
static int ath6kl_upload_patch(struct ath6kl *ar)
1229
if (ar->fw_patch == NULL)
1232
address = ar->hw.dataset_patch_addr;
1234
ath6kl_dbg(ATH6KL_DBG_BOOT, "writing patch to 0x%x (%zd B)\n",
1235
address, ar->fw_patch_len);
1237
ret = ath6kl_bmi_write(ar, address, ar->fw_patch, ar->fw_patch_len);
1239
ath6kl_err("Failed to write patch file: %d\n", ret);
1244
ath6kl_bmi_write(ar,
1245
ath6kl_get_hi_item_addr(ar,
1246
HI_ITEM(hi_dset_list_head)),
1247
(unsigned char *) ¶m, 4);
1252
static int ath6kl_init_upload(struct ath6kl *ar)
1254
u32 param, options, sleep, address;
1257
if (ar->target_type != TARGET_TYPE_AR6003 &&
1258
ar->target_type != TARGET_TYPE_AR6004)
1261
/* temporarily disable system sleep */
1262
address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS;
1263
status = ath6kl_bmi_reg_read(ar, address, ¶m);
1269
param |= ATH6KL_OPTION_SLEEP_DISABLE;
1270
status = ath6kl_bmi_reg_write(ar, address, param);
1274
address = RTC_BASE_ADDRESS + SYSTEM_SLEEP_ADDRESS;
1275
status = ath6kl_bmi_reg_read(ar, address, ¶m);
1281
param |= SM(SYSTEM_SLEEP_DISABLE, 1);
1282
status = ath6kl_bmi_reg_write(ar, address, param);
1286
ath6kl_dbg(ATH6KL_DBG_TRC, "old options: %d, old sleep: %d\n",
1289
/* program analog PLL register */
1290
/* no need to control 40/44MHz clock on AR6004 */
1291
if (ar->target_type != TARGET_TYPE_AR6004) {
1292
status = ath6kl_bmi_reg_write(ar, ATH6KL_ANALOG_PLL_REGISTER,
1298
/* Run at 80/88MHz by default */
1299
param = SM(CPU_CLOCK_STANDARD, 1);
1301
address = RTC_BASE_ADDRESS + CPU_CLOCK_ADDRESS;
1302
status = ath6kl_bmi_reg_write(ar, address, param);
1308
address = RTC_BASE_ADDRESS + LPO_CAL_ADDRESS;
1309
param = SM(LPO_CAL_ENABLE, 1);
1310
status = ath6kl_bmi_reg_write(ar, address, param);
1314
/* WAR to avoid SDIO CRC err */
1315
if (ar->version.target_ver == AR6003_HW_2_0_VERSION) {
1316
ath6kl_err("temporary war to avoid sdio crc error\n");
1320
address = GPIO_BASE_ADDRESS + GPIO_PIN10_ADDRESS;
1321
status = ath6kl_bmi_reg_write(ar, address, param);
1325
address = GPIO_BASE_ADDRESS + GPIO_PIN11_ADDRESS;
1326
status = ath6kl_bmi_reg_write(ar, address, param);
1330
address = GPIO_BASE_ADDRESS + GPIO_PIN12_ADDRESS;
1331
status = ath6kl_bmi_reg_write(ar, address, param);
1335
address = GPIO_BASE_ADDRESS + GPIO_PIN13_ADDRESS;
1336
status = ath6kl_bmi_reg_write(ar, address, param);
1341
/* write EEPROM data to Target RAM */
1342
status = ath6kl_upload_board_file(ar);
1346
/* transfer One time Programmable data */
1347
status = ath6kl_upload_otp(ar);
1351
/* Download Target firmware */
1352
status = ath6kl_upload_firmware(ar);
1356
status = ath6kl_upload_patch(ar);
1360
/* Restore system sleep */
1361
address = RTC_BASE_ADDRESS + SYSTEM_SLEEP_ADDRESS;
1362
status = ath6kl_bmi_reg_write(ar, address, sleep);
1366
address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS;
1367
param = options | 0x20;
1368
status = ath6kl_bmi_reg_write(ar, address, param);
1375
static int ath6kl_init_hw_params(struct ath6kl *ar)
1377
const struct ath6kl_hw *hw;
1380
for (i = 0; i < ARRAY_SIZE(hw_list); i++) {
1383
if (hw->id == ar->version.target_ver)
1387
if (i == ARRAY_SIZE(hw_list)) {
1388
ath6kl_err("Unsupported hardware version: 0x%x\n",
1389
ar->version.target_ver);
1395
ath6kl_dbg(ATH6KL_DBG_BOOT,
1396
"target_ver 0x%x target_type 0x%x dataset_patch 0x%x app_load_addr 0x%x\n",
1397
ar->version.target_ver, ar->target_type,
1398
ar->hw.dataset_patch_addr, ar->hw.app_load_addr);
1399
ath6kl_dbg(ATH6KL_DBG_BOOT,
1400
"app_start_override_addr 0x%x board_ext_data_addr 0x%x reserved_ram_size 0x%x",
1401
ar->hw.app_start_override_addr, ar->hw.board_ext_data_addr,
1402
ar->hw.reserved_ram_size);
1403
ath6kl_dbg(ATH6KL_DBG_BOOT,
1404
"refclk_hz %d uarttx_pin %d",
1405
ar->hw.refclk_hz, ar->hw.uarttx_pin);
1410
static const char *ath6kl_init_get_hif_name(enum ath6kl_hif_type type)
1413
case ATH6KL_HIF_TYPE_SDIO:
1415
case ATH6KL_HIF_TYPE_USB:
1422
int ath6kl_init_hw_start(struct ath6kl *ar)
1427
ath6kl_dbg(ATH6KL_DBG_BOOT, "hw start\n");
1429
ret = ath6kl_hif_power_on(ar);
1433
ret = ath6kl_configure_target(ar);
1437
ret = ath6kl_init_upload(ar);
1441
/* Do we need to finish the BMI phase */
1442
/* FIXME: return error from ath6kl_bmi_done() */
1443
if (ath6kl_bmi_done(ar)) {
1449
* The reason we have to wait for the target here is that the
1450
* driver layer has to init BMI in order to set the host block
1453
if (ath6kl_htc_wait_target(ar->htc_target)) {
1458
if (ath6kl_init_service_ep(ar)) {
1460
goto err_cleanup_scatter;
1463
/* setup credit distribution */
1464
ath6kl_credit_setup(ar->htc_target, &ar->credit_state_info);
1467
ret = ath6kl_htc_start(ar->htc_target);
1469
/* FIXME: call this */
1470
ath6kl_cookie_cleanup(ar);
1471
goto err_cleanup_scatter;
1474
/* Wait for Wmi event to be ready */
1475
timeleft = wait_event_interruptible_timeout(ar->event_wq,
1480
ath6kl_dbg(ATH6KL_DBG_BOOT, "firmware booted\n");
1483
if (test_and_clear_bit(FIRST_BOOT, &ar->flag)) {
1484
ath6kl_info("%s %s fw %s%s\n",
1486
ath6kl_init_get_hif_name(ar->hif_type),
1487
ar->wiphy->fw_version,
1488
test_bit(TESTMODE, &ar->flag) ? " testmode" : "");
1491
if (ar->version.abi_ver != ATH6KL_ABI_VERSION) {
1492
ath6kl_err("abi version mismatch: host(0x%x), target(0x%x)\n",
1493
ATH6KL_ABI_VERSION, ar->version.abi_ver);
1498
if (!timeleft || signal_pending(current)) {
1499
ath6kl_err("wmi is not ready or wait was interrupted\n");
1504
ath6kl_dbg(ATH6KL_DBG_TRC, "%s: wmi is ready\n", __func__);
1506
/* communicate the wmi protocol verision to the target */
1507
/* FIXME: return error */
1508
if ((ath6kl_set_host_app_area(ar)) != 0)
1509
ath6kl_err("unable to set the host app area\n");
1511
for (i = 0; i < ar->vif_max; i++) {
1512
ret = ath6kl_target_config_wlan_params(ar, i);
1517
ar->state = ATH6KL_STATE_ON;
1522
ath6kl_htc_stop(ar->htc_target);
1523
err_cleanup_scatter:
1524
ath6kl_hif_cleanup_scatter(ar);
1526
ath6kl_hif_power_off(ar);
1531
int ath6kl_init_hw_stop(struct ath6kl *ar)
1535
ath6kl_dbg(ATH6KL_DBG_BOOT, "hw stop\n");
1537
ath6kl_htc_stop(ar->htc_target);
1539
ath6kl_hif_stop(ar);
1541
ath6kl_bmi_reset(ar);
1543
ret = ath6kl_hif_power_off(ar);
1545
ath6kl_warn("failed to power off hif: %d\n", ret);
1547
ar->state = ATH6KL_STATE_OFF;
1552
int ath6kl_core_init(struct ath6kl *ar)
1554
struct ath6kl_bmi_target_info targ_info;
1555
struct net_device *ndev;
1558
ar->ath6kl_wq = create_singlethread_workqueue("ath6kl");
1562
ret = ath6kl_bmi_init(ar);
1567
* Turn on power to get hardware (target) version and leave power
1568
* on delibrately as we will boot the hardware anyway within few
1571
ret = ath6kl_hif_power_on(ar);
1573
goto err_bmi_cleanup;
1575
ret = ath6kl_bmi_get_target_info(ar, &targ_info);
1579
ar->version.target_ver = le32_to_cpu(targ_info.version);
1580
ar->target_type = le32_to_cpu(targ_info.type);
1581
ar->wiphy->hw_version = le32_to_cpu(targ_info.version);
1583
ret = ath6kl_init_hw_params(ar);
1587
ar->htc_target = ath6kl_htc_create(ar);
1589
if (!ar->htc_target) {
1594
ret = ath6kl_fetch_firmwares(ar);
1596
goto err_htc_cleanup;
1598
/* FIXME: we should free all firmwares in the error cases below */
1600
/* Indicate that WMI is enabled (although not ready yet) */
1601
set_bit(WMI_ENABLED, &ar->flag);
1602
ar->wmi = ath6kl_wmi_init(ar);
1604
ath6kl_err("failed to initialize wmi\n");
1606
goto err_htc_cleanup;
1609
ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi);
1611
ret = ath6kl_register_ieee80211_hw(ar);
1613
goto err_node_cleanup;
1615
ret = ath6kl_debug_init(ar);
1617
wiphy_unregister(ar->wiphy);
1618
goto err_node_cleanup;
1621
for (i = 0; i < ar->vif_max; i++)
1622
ar->avail_idx_map |= BIT(i);
1626
/* Add an initial station interface */
1627
ndev = ath6kl_interface_add(ar, "wlan%d", NL80211_IFTYPE_STATION, 0,
1633
ath6kl_err("Failed to instantiate a network device\n");
1635
wiphy_unregister(ar->wiphy);
1636
goto err_debug_init;
1640
ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n",
1641
__func__, ndev->name, ndev, ar);
1643
/* setup access class priority mappings */
1644
ar->ac_stream_pri_map[WMM_AC_BK] = 0; /* lowest */
1645
ar->ac_stream_pri_map[WMM_AC_BE] = 1;
1646
ar->ac_stream_pri_map[WMM_AC_VI] = 2;
1647
ar->ac_stream_pri_map[WMM_AC_VO] = 3; /* highest */
1649
/* give our connected endpoints some buffers */
1650
ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep);
1651
ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]);
1653
/* allocate some buffers that handle larger AMSDU frames */
1654
ath6kl_refill_amsdu_rxbufs(ar, ATH6KL_MAX_AMSDU_RX_BUFFERS);
1656
ath6kl_cookie_init(ar);
1658
ar->conf_flags = ATH6KL_CONF_IGNORE_ERP_BARKER |
1659
ATH6KL_CONF_ENABLE_11N | ATH6KL_CONF_ENABLE_TX_BURST;
1661
if (suspend_cutpower)
1662
ar->conf_flags |= ATH6KL_CONF_SUSPEND_CUTPOWER;
1664
ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
1665
WIPHY_FLAG_HAVE_AP_SME |
1666
WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
1667
WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
1669
if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities))
1670
ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
1672
ar->wiphy->probe_resp_offload =
1673
NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
1674
NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
1675
NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P |
1676
NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U;
1678
set_bit(FIRST_BOOT, &ar->flag);
1680
ret = ath6kl_init_hw_start(ar);
1682
ath6kl_err("Failed to start hardware: %d\n", ret);
1683
goto err_rxbuf_cleanup;
1687
* Set mac address which is received in ready event
1688
* FIXME: Move to ath6kl_interface_add()
1690
memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
1695
ath6kl_htc_flush_rx_buf(ar->htc_target);
1696
ath6kl_cleanup_amsdu_rxbufs(ar);
1698
ath6kl_deinit_if_data(netdev_priv(ndev));
1700
wiphy_unregister(ar->wiphy);
1702
ath6kl_debug_cleanup(ar);
1704
ath6kl_wmi_shutdown(ar->wmi);
1705
clear_bit(WMI_ENABLED, &ar->flag);
1708
ath6kl_htc_cleanup(ar->htc_target);
1710
ath6kl_hif_power_off(ar);
1712
ath6kl_bmi_cleanup(ar);
1714
destroy_workqueue(ar->ath6kl_wq);
1719
void ath6kl_cleanup_vif(struct ath6kl_vif *vif, bool wmi_ready)
1721
static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1724
netif_stop_queue(vif->ndev);
1726
clear_bit(WLAN_ENABLED, &vif->flags);
1729
discon_issued = test_bit(CONNECTED, &vif->flags) ||
1730
test_bit(CONNECT_PEND, &vif->flags);
1731
ath6kl_disconnect(vif);
1732
del_timer(&vif->disconnect_timer);
1735
ath6kl_disconnect_event(vif, DISCONNECT_CMD,
1736
(vif->nw_type & AP_NETWORK) ?
1737
bcast_mac : vif->bssid,
1741
if (vif->scan_req) {
1742
cfg80211_scan_done(vif->scan_req, true);
1743
vif->scan_req = NULL;
1747
void ath6kl_stop_txrx(struct ath6kl *ar)
1749
struct ath6kl_vif *vif, *tmp_vif;
1751
set_bit(DESTROY_IN_PROGRESS, &ar->flag);
1753
if (down_interruptible(&ar->sem)) {
1754
ath6kl_err("down_interruptible failed\n");
1758
spin_lock_bh(&ar->list_lock);
1759
list_for_each_entry_safe(vif, tmp_vif, &ar->vif_list, list) {
1760
list_del(&vif->list);
1761
spin_unlock_bh(&ar->list_lock);
1762
ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag));
1764
ath6kl_deinit_if_data(vif);
1766
spin_lock_bh(&ar->list_lock);
1768
spin_unlock_bh(&ar->list_lock);
1770
clear_bit(WMI_READY, &ar->flag);
1773
* After wmi_shudown all WMI events will be dropped. We
1774
* need to cleanup the buffers allocated in AP mode and
1775
* give disconnect notification to stack, which usually
1776
* happens in the disconnect_event. Simulate the disconnect
1777
* event by calling the function directly. Sometimes
1778
* disconnect_event will be received when the debug logs
1781
ath6kl_wmi_shutdown(ar->wmi);
1783
clear_bit(WMI_ENABLED, &ar->flag);
1784
if (ar->htc_target) {
1785
ath6kl_dbg(ATH6KL_DBG_TRC, "%s: shut down htc\n", __func__);
1786
ath6kl_htc_stop(ar->htc_target);
1790
* Try to reset the device if we can. The driver may have been
1791
* configure NOT to reset the target during a debug session.
1793
ath6kl_dbg(ATH6KL_DBG_TRC,
1794
"attempting to reset target on instance destroy\n");
1795
ath6kl_reset_device(ar, ar->target_type, true, true);
1797
clear_bit(WLAN_ENABLED, &ar->flag);