2 * Copyright (c) 2010-2011 Atheros Communications Inc.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
21 MODULE_AUTHOR("Atheros Communications");
22 MODULE_LICENSE("Dual BSD/GPL");
23 MODULE_DESCRIPTION("Atheros driver 802.11n HTC based wireless devices");
25 static unsigned int ath9k_debug
= ATH_DBG_DEFAULT
;
26 module_param_named(debug
, ath9k_debug
, uint
, 0);
27 MODULE_PARM_DESC(debug
, "Debugging mask");
29 int htc_modparam_nohwcrypt
;
30 module_param_named(nohwcrypt
, htc_modparam_nohwcrypt
, int, 0444);
31 MODULE_PARM_DESC(nohwcrypt
, "Disable hardware encryption");
33 static int ath9k_htc_btcoex_enable
;
34 module_param_named(btcoex_enable
, ath9k_htc_btcoex_enable
, int, 0444);
35 MODULE_PARM_DESC(btcoex_enable
, "Enable wifi-BT coexistence");
37 static int ath9k_ps_enable
;
38 module_param_named(ps_enable
, ath9k_ps_enable
, int, 0444);
39 MODULE_PARM_DESC(ps_enable
, "Enable WLAN PowerSave");
41 int htc_use_dev_fw
= 0;
42 module_param_named(use_dev_fw
, htc_use_dev_fw
, int, 0444);
43 MODULE_PARM_DESC(use_dev_fw
, "Use development FW version");
45 #ifdef CONFIG_MAC80211_LEDS
46 int ath9k_htc_led_blink
= 1;
47 module_param_named(blink
, ath9k_htc_led_blink
, int, 0444);
48 MODULE_PARM_DESC(blink
, "Enable LED blink on activity");
50 static const struct ieee80211_tpt_blink ath9k_htc_tpt_blink
[] = {
51 { .throughput
= 0 * 1024, .blink_time
= 334 },
52 { .throughput
= 1 * 1024, .blink_time
= 260 },
53 { .throughput
= 5 * 1024, .blink_time
= 220 },
54 { .throughput
= 10 * 1024, .blink_time
= 190 },
55 { .throughput
= 20 * 1024, .blink_time
= 170 },
56 { .throughput
= 50 * 1024, .blink_time
= 150 },
57 { .throughput
= 70 * 1024, .blink_time
= 130 },
58 { .throughput
= 100 * 1024, .blink_time
= 110 },
59 { .throughput
= 200 * 1024, .blink_time
= 80 },
60 { .throughput
= 300 * 1024, .blink_time
= 50 },
64 static void ath9k_htc_op_ps_wakeup(struct ath_common
*common
)
66 ath9k_htc_ps_wakeup((struct ath9k_htc_priv
*) common
->priv
);
69 static void ath9k_htc_op_ps_restore(struct ath_common
*common
)
71 ath9k_htc_ps_restore((struct ath9k_htc_priv
*) common
->priv
);
74 static struct ath_ps_ops ath9k_htc_ps_ops
= {
75 .wakeup
= ath9k_htc_op_ps_wakeup
,
76 .restore
= ath9k_htc_op_ps_restore
,
79 static int ath9k_htc_wait_for_target(struct ath9k_htc_priv
*priv
)
81 unsigned long time_left
;
83 if (atomic_read(&priv
->htc
->tgt_ready
) > 0) {
84 atomic_dec(&priv
->htc
->tgt_ready
);
88 /* Firmware can take up to 50ms to get ready, to be safe use 1 second */
89 time_left
= wait_for_completion_timeout(&priv
->htc
->target_wait
, HZ
);
91 dev_err(priv
->dev
, "ath9k_htc: Target is unresponsive\n");
95 atomic_dec(&priv
->htc
->tgt_ready
);
100 static void ath9k_deinit_priv(struct ath9k_htc_priv
*priv
)
102 ath9k_hw_deinit(priv
->ah
);
107 static void ath9k_deinit_device(struct ath9k_htc_priv
*priv
)
109 struct ieee80211_hw
*hw
= priv
->hw
;
111 wiphy_rfkill_stop_polling(hw
->wiphy
);
112 ath9k_deinit_leds(priv
);
113 ath9k_htc_deinit_debug(priv
);
114 ieee80211_unregister_hw(hw
);
115 ath9k_rx_cleanup(priv
);
116 ath9k_tx_cleanup(priv
);
117 ath9k_deinit_priv(priv
);
120 static inline int ath9k_htc_connect_svc(struct ath9k_htc_priv
*priv
,
124 enum htc_endpoint_id
,
126 enum htc_endpoint_id
*ep_id
)
128 struct htc_service_connreq req
;
130 memset(&req
, 0, sizeof(struct htc_service_connreq
));
132 req
.service_id
= service_id
;
133 req
.ep_callbacks
.priv
= priv
;
134 req
.ep_callbacks
.rx
= ath9k_htc_rxep
;
135 req
.ep_callbacks
.tx
= tx
;
137 return htc_connect_service(priv
->htc
, &req
, ep_id
);
140 static int ath9k_init_htc_services(struct ath9k_htc_priv
*priv
, u16 devid
,
146 ret
= ath9k_wmi_connect(priv
->htc
, priv
->wmi
, &priv
->wmi_cmd_ep
);
151 ret
= ath9k_htc_connect_svc(priv
, WMI_BEACON_SVC
, ath9k_htc_beaconep
,
157 ret
= ath9k_htc_connect_svc(priv
, WMI_CAB_SVC
, ath9k_htc_txep
,
164 ret
= ath9k_htc_connect_svc(priv
, WMI_UAPSD_SVC
, ath9k_htc_txep
,
170 ret
= ath9k_htc_connect_svc(priv
, WMI_MGMT_SVC
, ath9k_htc_txep
,
176 ret
= ath9k_htc_connect_svc(priv
, WMI_DATA_BE_SVC
, ath9k_htc_txep
,
182 ret
= ath9k_htc_connect_svc(priv
, WMI_DATA_BK_SVC
, ath9k_htc_txep
,
188 ret
= ath9k_htc_connect_svc(priv
, WMI_DATA_VI_SVC
, ath9k_htc_txep
,
194 ret
= ath9k_htc_connect_svc(priv
, WMI_DATA_VO_SVC
, ath9k_htc_txep
,
200 * Setup required credits before initializing HTC.
201 * This is a bit hacky, but, since queuing is done in
202 * the HIF layer, shouldn't matter much.
205 if (IS_AR7010_DEVICE(drv_info
))
206 priv
->htc
->credits
= 45;
208 priv
->htc
->credits
= 33;
210 ret
= htc_init(priv
->htc
);
214 dev_info(priv
->dev
, "ath9k_htc: HTC initialized with %d credits\n",
220 dev_err(priv
->dev
, "ath9k_htc: Unable to initialize HTC services\n");
224 static void ath9k_reg_notifier(struct wiphy
*wiphy
,
225 struct regulatory_request
*request
)
227 struct ieee80211_hw
*hw
= wiphy_to_ieee80211_hw(wiphy
);
228 struct ath9k_htc_priv
*priv
= hw
->priv
;
230 ath_reg_notifier_apply(wiphy
, request
,
231 ath9k_hw_regulatory(priv
->ah
));
234 static unsigned int ath9k_regread(void *hw_priv
, u32 reg_offset
)
236 struct ath_hw
*ah
= (struct ath_hw
*) hw_priv
;
237 struct ath_common
*common
= ath9k_hw_common(ah
);
238 struct ath9k_htc_priv
*priv
= (struct ath9k_htc_priv
*) common
->priv
;
239 __be32 val
, reg
= cpu_to_be32(reg_offset
);
242 r
= ath9k_wmi_cmd(priv
->wmi
, WMI_REG_READ_CMDID
,
243 (u8
*) ®
, sizeof(reg
),
244 (u8
*) &val
, sizeof(val
),
247 ath_dbg(common
, WMI
, "REGISTER READ FAILED: (0x%04x, %d)\n",
252 return be32_to_cpu(val
);
255 static void ath9k_multi_regread(void *hw_priv
, u32
*addr
,
258 struct ath_hw
*ah
= (struct ath_hw
*) hw_priv
;
259 struct ath_common
*common
= ath9k_hw_common(ah
);
260 struct ath9k_htc_priv
*priv
= (struct ath9k_htc_priv
*) common
->priv
;
265 for (i
= 0; i
< count
; i
++) {
266 tmpaddr
[i
] = cpu_to_be32(addr
[i
]);
269 ret
= ath9k_wmi_cmd(priv
->wmi
, WMI_REG_READ_CMDID
,
270 (u8
*)tmpaddr
, sizeof(u32
) * count
,
271 (u8
*)tmpval
, sizeof(u32
) * count
,
275 "Multiple REGISTER READ FAILED (count: %d)\n", count
);
278 for (i
= 0; i
< count
; i
++) {
279 val
[i
] = be32_to_cpu(tmpval
[i
]);
283 static void ath9k_regwrite_multi(struct ath_common
*common
)
285 struct ath9k_htc_priv
*priv
= (struct ath9k_htc_priv
*) common
->priv
;
289 r
= ath9k_wmi_cmd(priv
->wmi
, WMI_REG_WRITE_CMDID
,
290 (u8
*) &priv
->wmi
->multi_write
,
291 sizeof(struct register_write
) * priv
->wmi
->multi_write_idx
,
292 (u8
*) &rsp_status
, sizeof(rsp_status
),
296 "REGISTER WRITE FAILED, multi len: %d\n",
297 priv
->wmi
->multi_write_idx
);
299 priv
->wmi
->multi_write_idx
= 0;
302 static void ath9k_regwrite_single(void *hw_priv
, u32 val
, u32 reg_offset
)
304 struct ath_hw
*ah
= (struct ath_hw
*) hw_priv
;
305 struct ath_common
*common
= ath9k_hw_common(ah
);
306 struct ath9k_htc_priv
*priv
= (struct ath9k_htc_priv
*) common
->priv
;
307 const __be32 buf
[2] = {
308 cpu_to_be32(reg_offset
),
313 r
= ath9k_wmi_cmd(priv
->wmi
, WMI_REG_WRITE_CMDID
,
314 (u8
*) &buf
, sizeof(buf
),
315 (u8
*) &val
, sizeof(val
),
318 ath_dbg(common
, WMI
, "REGISTER WRITE FAILED:(0x%04x, %d)\n",
323 static void ath9k_regwrite_buffer(void *hw_priv
, u32 val
, u32 reg_offset
)
325 struct ath_hw
*ah
= (struct ath_hw
*) hw_priv
;
326 struct ath_common
*common
= ath9k_hw_common(ah
);
327 struct ath9k_htc_priv
*priv
= (struct ath9k_htc_priv
*) common
->priv
;
329 mutex_lock(&priv
->wmi
->multi_write_mutex
);
331 /* Store the register/value */
332 priv
->wmi
->multi_write
[priv
->wmi
->multi_write_idx
].reg
=
333 cpu_to_be32(reg_offset
);
334 priv
->wmi
->multi_write
[priv
->wmi
->multi_write_idx
].val
=
337 priv
->wmi
->multi_write_idx
++;
339 /* If the buffer is full, send it out. */
340 if (priv
->wmi
->multi_write_idx
== MAX_CMD_NUMBER
)
341 ath9k_regwrite_multi(common
);
343 mutex_unlock(&priv
->wmi
->multi_write_mutex
);
346 static void ath9k_regwrite(void *hw_priv
, u32 val
, u32 reg_offset
)
348 struct ath_hw
*ah
= (struct ath_hw
*) hw_priv
;
349 struct ath_common
*common
= ath9k_hw_common(ah
);
350 struct ath9k_htc_priv
*priv
= (struct ath9k_htc_priv
*) common
->priv
;
352 if (atomic_read(&priv
->wmi
->mwrite_cnt
))
353 ath9k_regwrite_buffer(hw_priv
, val
, reg_offset
);
355 ath9k_regwrite_single(hw_priv
, val
, reg_offset
);
358 static void ath9k_enable_regwrite_buffer(void *hw_priv
)
360 struct ath_hw
*ah
= (struct ath_hw
*) hw_priv
;
361 struct ath_common
*common
= ath9k_hw_common(ah
);
362 struct ath9k_htc_priv
*priv
= (struct ath9k_htc_priv
*) common
->priv
;
364 atomic_inc(&priv
->wmi
->mwrite_cnt
);
367 static void ath9k_regwrite_flush(void *hw_priv
)
369 struct ath_hw
*ah
= (struct ath_hw
*) hw_priv
;
370 struct ath_common
*common
= ath9k_hw_common(ah
);
371 struct ath9k_htc_priv
*priv
= (struct ath9k_htc_priv
*) common
->priv
;
373 atomic_dec(&priv
->wmi
->mwrite_cnt
);
375 mutex_lock(&priv
->wmi
->multi_write_mutex
);
377 if (priv
->wmi
->multi_write_idx
)
378 ath9k_regwrite_multi(common
);
380 mutex_unlock(&priv
->wmi
->multi_write_mutex
);
383 static void ath9k_reg_rmw_buffer(void *hw_priv
,
384 u32 reg_offset
, u32 set
, u32 clr
)
386 struct ath_hw
*ah
= (struct ath_hw
*) hw_priv
;
387 struct ath_common
*common
= ath9k_hw_common(ah
);
388 struct ath9k_htc_priv
*priv
= (struct ath9k_htc_priv
*) common
->priv
;
392 mutex_lock(&priv
->wmi
->multi_rmw_mutex
);
394 /* Store the register/value */
395 priv
->wmi
->multi_rmw
[priv
->wmi
->multi_rmw_idx
].reg
=
396 cpu_to_be32(reg_offset
);
397 priv
->wmi
->multi_rmw
[priv
->wmi
->multi_rmw_idx
].set
=
399 priv
->wmi
->multi_rmw
[priv
->wmi
->multi_rmw_idx
].clr
=
402 priv
->wmi
->multi_rmw_idx
++;
404 /* If the buffer is full, send it out. */
405 if (priv
->wmi
->multi_rmw_idx
== MAX_RMW_CMD_NUMBER
) {
406 r
= ath9k_wmi_cmd(priv
->wmi
, WMI_REG_RMW_CMDID
,
407 (u8
*) &priv
->wmi
->multi_rmw
,
408 sizeof(struct register_write
) * priv
->wmi
->multi_rmw_idx
,
409 (u8
*) &rsp_status
, sizeof(rsp_status
),
413 "REGISTER RMW FAILED, multi len: %d\n",
414 priv
->wmi
->multi_rmw_idx
);
416 priv
->wmi
->multi_rmw_idx
= 0;
419 mutex_unlock(&priv
->wmi
->multi_rmw_mutex
);
422 static void ath9k_reg_rmw_flush(void *hw_priv
)
424 struct ath_hw
*ah
= (struct ath_hw
*) hw_priv
;
425 struct ath_common
*common
= ath9k_hw_common(ah
);
426 struct ath9k_htc_priv
*priv
= (struct ath9k_htc_priv
*) common
->priv
;
430 if (test_bit(HTC_FWFLAG_NO_RMW
, &priv
->fw_flags
))
433 atomic_dec(&priv
->wmi
->m_rmw_cnt
);
435 mutex_lock(&priv
->wmi
->multi_rmw_mutex
);
437 if (priv
->wmi
->multi_rmw_idx
) {
438 r
= ath9k_wmi_cmd(priv
->wmi
, WMI_REG_RMW_CMDID
,
439 (u8
*) &priv
->wmi
->multi_rmw
,
440 sizeof(struct register_rmw
) * priv
->wmi
->multi_rmw_idx
,
441 (u8
*) &rsp_status
, sizeof(rsp_status
),
445 "REGISTER RMW FAILED, multi len: %d\n",
446 priv
->wmi
->multi_rmw_idx
);
448 priv
->wmi
->multi_rmw_idx
= 0;
451 mutex_unlock(&priv
->wmi
->multi_rmw_mutex
);
454 static void ath9k_enable_rmw_buffer(void *hw_priv
)
456 struct ath_hw
*ah
= (struct ath_hw
*) hw_priv
;
457 struct ath_common
*common
= ath9k_hw_common(ah
);
458 struct ath9k_htc_priv
*priv
= (struct ath9k_htc_priv
*) common
->priv
;
460 if (test_bit(HTC_FWFLAG_NO_RMW
, &priv
->fw_flags
))
463 atomic_inc(&priv
->wmi
->m_rmw_cnt
);
466 static u32
ath9k_reg_rmw_single(void *hw_priv
,
467 u32 reg_offset
, u32 set
, u32 clr
)
469 struct ath_hw
*ah
= (struct ath_hw
*) hw_priv
;
470 struct ath_common
*common
= ath9k_hw_common(ah
);
471 struct ath9k_htc_priv
*priv
= (struct ath9k_htc_priv
*) common
->priv
;
472 struct register_rmw buf
, buf_ret
;
476 buf
.reg
= cpu_to_be32(reg_offset
);
477 buf
.set
= cpu_to_be32(set
);
478 buf
.clr
= cpu_to_be32(clr
);
480 ret
= ath9k_wmi_cmd(priv
->wmi
, WMI_REG_RMW_CMDID
,
481 (u8
*) &buf
, sizeof(buf
),
482 (u8
*) &buf_ret
, sizeof(buf_ret
),
485 ath_dbg(common
, WMI
, "REGISTER RMW FAILED:(0x%04x, %d)\n",
491 static u32
ath9k_reg_rmw(void *hw_priv
, u32 reg_offset
, u32 set
, u32 clr
)
493 struct ath_hw
*ah
= (struct ath_hw
*) hw_priv
;
494 struct ath_common
*common
= ath9k_hw_common(ah
);
495 struct ath9k_htc_priv
*priv
= (struct ath9k_htc_priv
*) common
->priv
;
497 if (test_bit(HTC_FWFLAG_NO_RMW
, &priv
->fw_flags
)) {
500 val
= REG_READ(ah
, reg_offset
);
503 REG_WRITE(ah
, reg_offset
, val
);
508 if (atomic_read(&priv
->wmi
->m_rmw_cnt
))
509 ath9k_reg_rmw_buffer(hw_priv
, reg_offset
, set
, clr
);
511 ath9k_reg_rmw_single(hw_priv
, reg_offset
, set
, clr
);
516 static void ath_usb_read_cachesize(struct ath_common
*common
, int *csz
)
518 *csz
= L1_CACHE_BYTES
>> 2;
521 static bool ath_usb_eeprom_read(struct ath_common
*common
, u32 off
, u16
*data
)
523 struct ath_hw
*ah
= (struct ath_hw
*) common
->ah
;
525 (void)REG_READ(ah
, AR5416_EEPROM_OFFSET
+ (off
<< AR5416_EEPROM_S
));
527 if (!ath9k_hw_wait(ah
,
528 AR_EEPROM_STATUS_DATA
,
529 AR_EEPROM_STATUS_DATA_BUSY
|
530 AR_EEPROM_STATUS_DATA_PROT_ACCESS
, 0,
534 *data
= MS(REG_READ(ah
, AR_EEPROM_STATUS_DATA
),
535 AR_EEPROM_STATUS_DATA_VAL
);
540 static const struct ath_bus_ops ath9k_usb_bus_ops
= {
541 .ath_bus_type
= ATH_USB
,
542 .read_cachesize
= ath_usb_read_cachesize
,
543 .eeprom_read
= ath_usb_eeprom_read
,
546 static int ath9k_init_queues(struct ath9k_htc_priv
*priv
)
548 struct ath_common
*common
= ath9k_hw_common(priv
->ah
);
551 for (i
= 0; i
< ARRAY_SIZE(priv
->hwq_map
); i
++)
552 priv
->hwq_map
[i
] = -1;
554 priv
->beacon
.beaconq
= ath9k_hw_beaconq_setup(priv
->ah
);
555 if (priv
->beacon
.beaconq
== -1) {
556 ath_err(common
, "Unable to setup BEACON xmit queue\n");
560 priv
->cabq
= ath9k_htc_cabq_setup(priv
);
561 if (priv
->cabq
== -1) {
562 ath_err(common
, "Unable to setup CAB xmit queue\n");
566 if (!ath9k_htc_txq_setup(priv
, IEEE80211_AC_BE
)) {
567 ath_err(common
, "Unable to setup xmit queue for BE traffic\n");
571 if (!ath9k_htc_txq_setup(priv
, IEEE80211_AC_BK
)) {
572 ath_err(common
, "Unable to setup xmit queue for BK traffic\n");
575 if (!ath9k_htc_txq_setup(priv
, IEEE80211_AC_VI
)) {
576 ath_err(common
, "Unable to setup xmit queue for VI traffic\n");
579 if (!ath9k_htc_txq_setup(priv
, IEEE80211_AC_VO
)) {
580 ath_err(common
, "Unable to setup xmit queue for VO traffic\n");
590 static void ath9k_init_misc(struct ath9k_htc_priv
*priv
)
592 struct ath_common
*common
= ath9k_hw_common(priv
->ah
);
594 memcpy(common
->bssidmask
, ath_bcast_mac
, ETH_ALEN
);
596 common
->last_rssi
= ATH_RSSI_DUMMY_MARKER
;
597 priv
->ah
->opmode
= NL80211_IFTYPE_STATION
;
599 priv
->spec_priv
.ah
= priv
->ah
;
600 priv
->spec_priv
.spec_config
.enabled
= 0;
601 priv
->spec_priv
.spec_config
.short_repeat
= true;
602 priv
->spec_priv
.spec_config
.count
= 8;
603 priv
->spec_priv
.spec_config
.endless
= false;
604 priv
->spec_priv
.spec_config
.period
= 0x12;
605 priv
->spec_priv
.spec_config
.fft_period
= 0x02;
608 static int ath9k_init_priv(struct ath9k_htc_priv
*priv
,
609 u16 devid
, char *product
,
612 struct ath_hw
*ah
= NULL
;
613 struct ath_common
*common
;
614 int i
, ret
= 0, csz
= 0;
616 ah
= kzalloc(sizeof(struct ath_hw
), GFP_KERNEL
);
622 ah
->hw_version
.devid
= devid
;
623 ah
->hw_version
.usbdev
= drv_info
;
624 ah
->ah_flags
|= AH_USE_EEPROM
;
625 ah
->reg_ops
.read
= ath9k_regread
;
626 ah
->reg_ops
.multi_read
= ath9k_multi_regread
;
627 ah
->reg_ops
.write
= ath9k_regwrite
;
628 ah
->reg_ops
.enable_write_buffer
= ath9k_enable_regwrite_buffer
;
629 ah
->reg_ops
.write_flush
= ath9k_regwrite_flush
;
630 ah
->reg_ops
.enable_rmw_buffer
= ath9k_enable_rmw_buffer
;
631 ah
->reg_ops
.rmw_flush
= ath9k_reg_rmw_flush
;
632 ah
->reg_ops
.rmw
= ath9k_reg_rmw
;
635 common
= ath9k_hw_common(ah
);
636 common
->ops
= &ah
->reg_ops
;
637 common
->ps_ops
= &ath9k_htc_ps_ops
;
638 common
->bus_ops
= &ath9k_usb_bus_ops
;
640 common
->hw
= priv
->hw
;
642 common
->debug_mask
= ath9k_debug
;
643 common
->btcoex_enabled
= ath9k_htc_btcoex_enable
== 1;
644 set_bit(ATH_OP_INVALID
, &common
->op_flags
);
646 spin_lock_init(&priv
->beacon_lock
);
647 spin_lock_init(&priv
->tx
.tx_lock
);
648 mutex_init(&priv
->mutex
);
649 mutex_init(&priv
->htc_pm_lock
);
650 tasklet_init(&priv
->rx_tasklet
, ath9k_rx_tasklet
,
651 (unsigned long)priv
);
652 tasklet_init(&priv
->tx_failed_tasklet
, ath9k_tx_failed_tasklet
,
653 (unsigned long)priv
);
654 INIT_DELAYED_WORK(&priv
->ani_work
, ath9k_htc_ani_work
);
655 INIT_WORK(&priv
->ps_work
, ath9k_ps_work
);
656 INIT_WORK(&priv
->fatal_work
, ath9k_fatal_work
);
657 setup_timer(&priv
->tx
.cleanup_timer
, ath9k_htc_tx_cleanup_timer
,
658 (unsigned long)priv
);
661 * Cache line size is used to size and align various
662 * structures used to communicate with the hardware.
664 ath_read_cachesize(common
, &csz
);
665 common
->cachelsz
= csz
<< 2; /* convert to bytes */
667 ret
= ath9k_hw_init(ah
);
670 "Unable to initialize hardware; initialization status: %d\n",
675 ret
= ath9k_init_queues(priv
);
679 for (i
= 0; i
< ATH9K_HTC_MAX_BCN_VIF
; i
++)
680 priv
->beacon
.bslot
[i
] = NULL
;
681 priv
->beacon
.slottime
= ATH9K_SLOT_TIME_9
;
683 ath9k_cmn_init_channels_rates(common
);
684 ath9k_cmn_init_crypto(ah
);
685 ath9k_init_misc(priv
);
686 ath9k_htc_init_btcoex(priv
, product
);
700 static const struct ieee80211_iface_limit if_limits
[] = {
701 { .max
= 2, .types
= BIT(NL80211_IFTYPE_STATION
) |
702 BIT(NL80211_IFTYPE_P2P_CLIENT
) },
703 { .max
= 2, .types
= BIT(NL80211_IFTYPE_AP
) |
704 #ifdef CONFIG_MAC80211_MESH
705 BIT(NL80211_IFTYPE_MESH_POINT
) |
707 BIT(NL80211_IFTYPE_P2P_GO
) },
710 static const struct ieee80211_iface_combination if_comb
= {
712 .n_limits
= ARRAY_SIZE(if_limits
),
714 .num_different_channels
= 1,
717 static void ath9k_set_hw_capab(struct ath9k_htc_priv
*priv
,
718 struct ieee80211_hw
*hw
)
720 struct ath_hw
*ah
= priv
->ah
;
721 struct ath_common
*common
= ath9k_hw_common(priv
->ah
);
722 struct base_eep_header
*pBase
;
724 ieee80211_hw_set(hw
, HOST_BROADCAST_PS_BUFFERING
);
725 ieee80211_hw_set(hw
, MFP_CAPABLE
);
726 ieee80211_hw_set(hw
, REPORTS_TX_ACK_STATUS
);
727 ieee80211_hw_set(hw
, PS_NULLFUNC_STACK
);
728 ieee80211_hw_set(hw
, RX_INCLUDES_FCS
);
729 ieee80211_hw_set(hw
, HAS_RATE_CONTROL
);
730 ieee80211_hw_set(hw
, SPECTRUM_MGMT
);
731 ieee80211_hw_set(hw
, SIGNAL_DBM
);
732 ieee80211_hw_set(hw
, AMPDU_AGGREGATION
);
735 ieee80211_hw_set(hw
, SUPPORTS_PS
);
737 hw
->wiphy
->interface_modes
=
738 BIT(NL80211_IFTYPE_STATION
) |
739 BIT(NL80211_IFTYPE_ADHOC
) |
740 BIT(NL80211_IFTYPE_AP
) |
741 BIT(NL80211_IFTYPE_P2P_GO
) |
742 BIT(NL80211_IFTYPE_P2P_CLIENT
) |
743 BIT(NL80211_IFTYPE_MESH_POINT
) |
744 BIT(NL80211_IFTYPE_OCB
);
746 hw
->wiphy
->iface_combinations
= &if_comb
;
747 hw
->wiphy
->n_iface_combinations
= 1;
749 hw
->wiphy
->flags
&= ~WIPHY_FLAG_PS_ON_BY_DEFAULT
;
751 hw
->wiphy
->flags
|= WIPHY_FLAG_IBSS_RSN
|
752 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
|
753 WIPHY_FLAG_HAS_CHANNEL_SWITCH
;
755 hw
->wiphy
->flags
|= WIPHY_FLAG_SUPPORTS_TDLS
;
758 hw
->max_listen_interval
= 1;
760 hw
->vif_data_size
= sizeof(struct ath9k_htc_vif
);
761 hw
->sta_data_size
= sizeof(struct ath9k_htc_sta
);
763 /* tx_frame_hdr is larger than tx_mgmt_hdr anyway */
764 hw
->extra_tx_headroom
= sizeof(struct tx_frame_hdr
) +
765 sizeof(struct htc_frame_hdr
) + 4;
767 if (priv
->ah
->caps
.hw_caps
& ATH9K_HW_CAP_2GHZ
)
768 hw
->wiphy
->bands
[IEEE80211_BAND_2GHZ
] =
769 &common
->sbands
[IEEE80211_BAND_2GHZ
];
770 if (priv
->ah
->caps
.hw_caps
& ATH9K_HW_CAP_5GHZ
)
771 hw
->wiphy
->bands
[IEEE80211_BAND_5GHZ
] =
772 &common
->sbands
[IEEE80211_BAND_5GHZ
];
774 ath9k_cmn_reload_chainmask(ah
);
776 pBase
= ath9k_htc_get_eeprom_base(priv
);
778 hw
->wiphy
->available_antennas_rx
= pBase
->rxMask
;
779 hw
->wiphy
->available_antennas_tx
= pBase
->txMask
;
782 SET_IEEE80211_PERM_ADDR(hw
, common
->macaddr
);
785 static int ath9k_init_firmware_version(struct ath9k_htc_priv
*priv
)
787 struct ieee80211_hw
*hw
= priv
->hw
;
788 struct wmi_fw_version cmd_rsp
;
791 memset(&cmd_rsp
, 0, sizeof(cmd_rsp
));
793 WMI_CMD(WMI_GET_FW_VERSION
);
797 priv
->fw_version_major
= be16_to_cpu(cmd_rsp
.major
);
798 priv
->fw_version_minor
= be16_to_cpu(cmd_rsp
.minor
);
800 snprintf(hw
->wiphy
->fw_version
, sizeof(hw
->wiphy
->fw_version
), "%d.%d",
801 priv
->fw_version_major
,
802 priv
->fw_version_minor
);
804 dev_info(priv
->dev
, "ath9k_htc: FW Version: %d.%d\n",
805 priv
->fw_version_major
,
806 priv
->fw_version_minor
);
809 * Check if the available FW matches the driver's
812 if (priv
->fw_version_major
!= MAJOR_VERSION_REQ
||
813 priv
->fw_version_minor
< MINOR_VERSION_REQ
) {
814 dev_err(priv
->dev
, "ath9k_htc: Please upgrade to FW version %d.%d\n",
815 MAJOR_VERSION_REQ
, MINOR_VERSION_REQ
);
819 if (priv
->fw_version_major
== 1 && priv
->fw_version_minor
< 4)
820 set_bit(HTC_FWFLAG_NO_RMW
, &priv
->fw_flags
);
822 dev_info(priv
->dev
, "FW RMW support: %s\n",
823 test_bit(HTC_FWFLAG_NO_RMW
, &priv
->fw_flags
) ? "Off" : "On");
828 static int ath9k_init_device(struct ath9k_htc_priv
*priv
,
829 u16 devid
, char *product
, u32 drv_info
)
831 struct ieee80211_hw
*hw
= priv
->hw
;
832 struct ath_common
*common
;
835 struct ath_regulatory
*reg
;
838 /* Bring up device */
839 error
= ath9k_init_priv(priv
, devid
, product
, drv_info
);
844 common
= ath9k_hw_common(ah
);
845 ath9k_set_hw_capab(priv
, hw
);
847 error
= ath9k_init_firmware_version(priv
);
851 /* Initialize regulatory */
852 error
= ath_regd_init(&common
->regulatory
, priv
->hw
->wiphy
,
857 reg
= &common
->regulatory
;
860 error
= ath9k_tx_init(priv
);
865 error
= ath9k_rx_init(priv
);
869 ath9k_hw_disable(priv
->ah
);
870 #ifdef CONFIG_MAC80211_LEDS
871 /* must be initialized before ieee80211_register_hw */
872 priv
->led_cdev
.default_trigger
= ieee80211_create_tpt_led_trigger(priv
->hw
,
873 IEEE80211_TPT_LEDTRIG_FL_RADIO
, ath9k_htc_tpt_blink
,
874 ARRAY_SIZE(ath9k_htc_tpt_blink
));
877 /* Register with mac80211 */
878 error
= ieee80211_register_hw(hw
);
882 /* Handle world regulatory */
883 if (!ath_is_world_regd(reg
)) {
884 error
= regulatory_hint(hw
->wiphy
, reg
->alpha2
);
889 error
= ath9k_htc_init_debug(priv
->ah
);
891 ath_err(common
, "Unable to create debugfs files\n");
895 ath_dbg(common
, CONFIG
,
896 "WMI:%d, BCN:%d, CAB:%d, UAPSD:%d, MGMT:%d, BE:%d, BK:%d, VI:%d, VO:%d\n",
907 ath9k_hw_name(priv
->ah
, hw_name
, sizeof(hw_name
));
908 wiphy_info(hw
->wiphy
, "%s\n", hw_name
);
910 ath9k_init_leds(priv
);
911 ath9k_start_rfkill_poll(priv
);
916 ieee80211_unregister_hw(hw
);
918 ath9k_rx_cleanup(priv
);
920 ath9k_tx_cleanup(priv
);
926 ath9k_deinit_priv(priv
);
931 int ath9k_htc_probe_device(struct htc_target
*htc_handle
, struct device
*dev
,
932 u16 devid
, char *product
, u32 drv_info
)
934 struct ieee80211_hw
*hw
;
935 struct ath9k_htc_priv
*priv
;
938 hw
= ieee80211_alloc_hw(sizeof(struct ath9k_htc_priv
), &ath9k_htc_ops
);
944 priv
->htc
= htc_handle
;
946 htc_handle
->drv_priv
= priv
;
947 SET_IEEE80211_DEV(hw
, priv
->dev
);
949 ret
= ath9k_htc_wait_for_target(priv
);
953 priv
->wmi
= ath9k_init_wmi(priv
);
959 ret
= ath9k_init_htc_services(priv
, devid
, drv_info
);
963 ret
= ath9k_init_device(priv
, devid
, product
, drv_info
);
970 ath9k_deinit_wmi(priv
);
972 ieee80211_free_hw(hw
);
976 void ath9k_htc_disconnect_device(struct htc_target
*htc_handle
, bool hotunplug
)
978 if (htc_handle
->drv_priv
) {
980 /* Check if the device has been yanked out. */
982 htc_handle
->drv_priv
->ah
->ah_flags
|= AH_UNPLUGGED
;
984 ath9k_deinit_device(htc_handle
->drv_priv
);
985 ath9k_deinit_wmi(htc_handle
->drv_priv
);
986 ieee80211_free_hw(htc_handle
->drv_priv
->hw
);
992 void ath9k_htc_suspend(struct htc_target
*htc_handle
)
994 ath9k_htc_setpower(htc_handle
->drv_priv
, ATH9K_PM_FULL_SLEEP
);
997 int ath9k_htc_resume(struct htc_target
*htc_handle
)
999 struct ath9k_htc_priv
*priv
= htc_handle
->drv_priv
;
1002 ret
= ath9k_htc_wait_for_target(priv
);
1006 ret
= ath9k_init_htc_services(priv
, priv
->ah
->hw_version
.devid
,
1007 priv
->ah
->hw_version
.usbdev
);
1008 ath9k_configure_leds(priv
);
1014 static int __init
ath9k_htc_init(void)
1016 if (ath9k_hif_usb_init() < 0) {
1017 pr_err("No USB devices found, driver not installed\n");
1023 module_init(ath9k_htc_init
);
1025 static void __exit
ath9k_htc_exit(void)
1027 ath9k_hif_usb_exit();
1028 pr_info("Driver unloaded\n");
1030 module_exit(ath9k_htc_exit
);