1 /******************************************************************************
3 * Copyright(c) 2009-2012 Realtek Corporation.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
26 * Larry Finger <Larry.Finger@lwfinger.net>
28 *****************************************************************************/
36 #include <linux/export.h>
38 static const u16 pcibridge_vendors
[PCI_BRIDGE_VENDOR_MAX
] = {
45 static const u8 ac_to_hwq
[] = {
52 static u8
_rtl_mac_to_hwqueue(struct ieee80211_hw
*hw
,
55 struct rtl_hal
*rtlhal
= rtl_hal(rtl_priv(hw
));
56 __le16 fc
= rtl_get_fc(skb
);
57 u8 queue_index
= skb_get_queue_mapping(skb
);
59 if (unlikely(ieee80211_is_beacon(fc
)))
61 if (ieee80211_is_mgmt(fc
))
63 if (rtlhal
->hw_type
== HARDWARE_TYPE_RTL8192SE
)
64 if (ieee80211_is_nullfunc(fc
))
67 return ac_to_hwq
[queue_index
];
70 /* Update PCI dependent default settings*/
71 static void _rtl_pci_update_default_setting(struct ieee80211_hw
*hw
)
73 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
74 struct rtl_pci_priv
*pcipriv
= rtl_pcipriv(hw
);
75 struct rtl_ps_ctl
*ppsc
= rtl_psc(rtl_priv(hw
));
76 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
77 u8 pcibridge_vendor
= pcipriv
->ndis_adapter
.pcibridge_vendor
;
80 ppsc
->reg_rfps_level
= 0;
81 ppsc
->support_aspm
= false;
83 /*Update PCI ASPM setting */
84 ppsc
->const_amdpci_aspm
= rtlpci
->const_amdpci_aspm
;
85 switch (rtlpci
->const_pci_aspm
) {
91 /*ASPM dynamically enabled/disable. */
92 ppsc
->reg_rfps_level
|= RT_RF_LPS_LEVEL_ASPM
;
96 /*ASPM with Clock Req dynamically enabled/disable. */
97 ppsc
->reg_rfps_level
|= (RT_RF_LPS_LEVEL_ASPM
|
98 RT_RF_OFF_LEVL_CLK_REQ
);
103 * Always enable ASPM and Clock Req
104 * from initialization to halt.
106 ppsc
->reg_rfps_level
&= ~(RT_RF_LPS_LEVEL_ASPM
);
107 ppsc
->reg_rfps_level
|= (RT_RF_PS_LEVEL_ALWAYS_ASPM
|
108 RT_RF_OFF_LEVL_CLK_REQ
);
113 * Always enable ASPM without Clock Req
114 * from initialization to halt.
116 ppsc
->reg_rfps_level
&= ~(RT_RF_LPS_LEVEL_ASPM
|
117 RT_RF_OFF_LEVL_CLK_REQ
);
118 ppsc
->reg_rfps_level
|= RT_RF_PS_LEVEL_ALWAYS_ASPM
;
122 ppsc
->reg_rfps_level
|= RT_RF_OFF_LEVL_HALT_NIC
;
124 /*Update Radio OFF setting */
125 switch (rtlpci
->const_hwsw_rfoff_d3
) {
127 if (ppsc
->reg_rfps_level
& RT_RF_LPS_LEVEL_ASPM
)
128 ppsc
->reg_rfps_level
|= RT_RF_OFF_LEVL_ASPM
;
132 if (ppsc
->reg_rfps_level
& RT_RF_LPS_LEVEL_ASPM
)
133 ppsc
->reg_rfps_level
|= RT_RF_OFF_LEVL_ASPM
;
134 ppsc
->reg_rfps_level
|= RT_RF_OFF_LEVL_HALT_NIC
;
138 ppsc
->reg_rfps_level
|= RT_RF_OFF_LEVL_PCI_D3
;
142 /*Set HW definition to determine if it supports ASPM. */
143 switch (rtlpci
->const_support_pciaspm
) {
145 /*Not support ASPM. */
146 bool support_aspm
= false;
147 ppsc
->support_aspm
= support_aspm
;
152 bool support_aspm
= true;
153 bool support_backdoor
= true;
154 ppsc
->support_aspm
= support_aspm
;
156 /*if (priv->oem_id == RT_CID_TOSHIBA &&
157 !priv->ndis_adapter.amd_l1_patch)
158 support_backdoor = false; */
160 ppsc
->support_backdoor
= support_backdoor
;
165 /*ASPM value set by chipset. */
166 if (pcibridge_vendor
== PCI_BRIDGE_VENDOR_INTEL
) {
167 bool support_aspm
= true;
168 ppsc
->support_aspm
= support_aspm
;
172 RT_TRACE(rtlpriv
, COMP_ERR
, DBG_EMERG
,
173 "switch case not processed\n");
177 /* toshiba aspm issue, toshiba will set aspm selfly
178 * so we should not set aspm in driver */
179 pci_read_config_byte(rtlpci
->pdev
, 0x80, &init_aspm
);
180 if (rtlpriv
->rtlhal
.hw_type
== HARDWARE_TYPE_RTL8192SE
&&
182 ppsc
->support_aspm
= false;
185 static bool _rtl_pci_platform_switch_device_pci_aspm(
186 struct ieee80211_hw
*hw
,
189 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
190 struct rtl_hal
*rtlhal
= rtl_hal(rtl_priv(hw
));
192 if (rtlhal
->hw_type
!= HARDWARE_TYPE_RTL8192SE
)
195 pci_write_config_byte(rtlpci
->pdev
, 0x80, value
);
200 /*When we set 0x01 to enable clk request. Set 0x0 to disable clk req.*/
201 static void _rtl_pci_switch_clk_req(struct ieee80211_hw
*hw
, u8 value
)
203 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
204 struct rtl_hal
*rtlhal
= rtl_hal(rtl_priv(hw
));
206 pci_write_config_byte(rtlpci
->pdev
, 0x81, value
);
208 if (rtlhal
->hw_type
== HARDWARE_TYPE_RTL8192SE
)
212 /*Disable RTL8192SE ASPM & Disable Pci Bridge ASPM*/
213 static void rtl_pci_disable_aspm(struct ieee80211_hw
*hw
)
215 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
216 struct rtl_pci_priv
*pcipriv
= rtl_pcipriv(hw
);
217 struct rtl_ps_ctl
*ppsc
= rtl_psc(rtl_priv(hw
));
218 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
219 u8 pcibridge_vendor
= pcipriv
->ndis_adapter
.pcibridge_vendor
;
220 u8 num4bytes
= pcipriv
->ndis_adapter
.num4bytes
;
221 /*Retrieve original configuration settings. */
222 u8 linkctrl_reg
= pcipriv
->ndis_adapter
.linkctrl_reg
;
223 u16 pcibridge_linkctrlreg
= pcipriv
->ndis_adapter
.
224 pcibridge_linkctrlreg
;
228 if (!ppsc
->support_aspm
)
231 if (pcibridge_vendor
== PCI_BRIDGE_VENDOR_UNKNOWN
) {
232 RT_TRACE(rtlpriv
, COMP_POWER
, DBG_TRACE
,
233 "PCI(Bridge) UNKNOWN\n");
238 if (ppsc
->reg_rfps_level
& RT_RF_OFF_LEVL_CLK_REQ
) {
239 RT_CLEAR_PS_LEVEL(ppsc
, RT_RF_OFF_LEVL_CLK_REQ
);
240 _rtl_pci_switch_clk_req(hw
, 0x0);
243 /*for promising device will in L0 state after an I/O. */
244 pci_read_config_byte(rtlpci
->pdev
, 0x80, &tmp_u1b
);
246 /*Set corresponding value. */
247 aspmlevel
|= BIT(0) | BIT(1);
248 linkctrl_reg
&= ~aspmlevel
;
249 pcibridge_linkctrlreg
&= ~(BIT(0) | BIT(1));
251 _rtl_pci_platform_switch_device_pci_aspm(hw
, linkctrl_reg
);
254 /*4 Disable Pci Bridge ASPM */
255 pci_write_config_byte(rtlpci
->pdev
, (num4bytes
<< 2),
256 pcibridge_linkctrlreg
);
262 *Enable RTL8192SE ASPM & Enable Pci Bridge ASPM for
263 *power saving We should follow the sequence to enable
264 *RTL8192SE first then enable Pci Bridge ASPM
265 *or the system will show bluescreen.
267 static void rtl_pci_enable_aspm(struct ieee80211_hw
*hw
)
269 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
270 struct rtl_pci_priv
*pcipriv
= rtl_pcipriv(hw
);
271 struct rtl_ps_ctl
*ppsc
= rtl_psc(rtl_priv(hw
));
272 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
273 u8 pcibridge_busnum
= pcipriv
->ndis_adapter
.pcibridge_busnum
;
274 u8 pcibridge_devnum
= pcipriv
->ndis_adapter
.pcibridge_devnum
;
275 u8 pcibridge_funcnum
= pcipriv
->ndis_adapter
.pcibridge_funcnum
;
276 u8 pcibridge_vendor
= pcipriv
->ndis_adapter
.pcibridge_vendor
;
277 u8 num4bytes
= pcipriv
->ndis_adapter
.num4bytes
;
279 u8 u_pcibridge_aspmsetting
;
280 u8 u_device_aspmsetting
;
282 if (!ppsc
->support_aspm
)
285 if (pcibridge_vendor
== PCI_BRIDGE_VENDOR_UNKNOWN
) {
286 RT_TRACE(rtlpriv
, COMP_POWER
, DBG_TRACE
,
287 "PCI(Bridge) UNKNOWN\n");
291 /*4 Enable Pci Bridge ASPM */
293 u_pcibridge_aspmsetting
=
294 pcipriv
->ndis_adapter
.pcibridge_linkctrlreg
|
295 rtlpci
->const_hostpci_aspm_setting
;
297 if (pcibridge_vendor
== PCI_BRIDGE_VENDOR_INTEL
)
298 u_pcibridge_aspmsetting
&= ~BIT(0);
300 pci_write_config_byte(rtlpci
->pdev
, (num4bytes
<< 2),
301 u_pcibridge_aspmsetting
);
303 RT_TRACE(rtlpriv
, COMP_INIT
, DBG_LOUD
,
304 "PlatformEnableASPM():PciBridge busnumber[%x], DevNumbe[%x], funcnumber[%x], Write reg[%x] = %x\n",
305 pcibridge_busnum
, pcibridge_devnum
, pcibridge_funcnum
,
306 (pcipriv
->ndis_adapter
.pcibridge_pciehdr_offset
+ 0x10),
307 u_pcibridge_aspmsetting
);
311 /*Get ASPM level (with/without Clock Req) */
312 aspmlevel
= rtlpci
->const_devicepci_aspm_setting
;
313 u_device_aspmsetting
= pcipriv
->ndis_adapter
.linkctrl_reg
;
315 /*_rtl_pci_platform_switch_device_pci_aspm(dev,*/
316 /*(priv->ndis_adapter.linkctrl_reg | ASPMLevel)); */
318 u_device_aspmsetting
|= aspmlevel
;
320 _rtl_pci_platform_switch_device_pci_aspm(hw
, u_device_aspmsetting
);
322 if (ppsc
->reg_rfps_level
& RT_RF_OFF_LEVL_CLK_REQ
) {
323 _rtl_pci_switch_clk_req(hw
, (ppsc
->reg_rfps_level
&
324 RT_RF_OFF_LEVL_CLK_REQ
) ? 1 : 0);
325 RT_SET_PS_LEVEL(ppsc
, RT_RF_OFF_LEVL_CLK_REQ
);
330 static bool rtl_pci_get_amd_l1_patch(struct ieee80211_hw
*hw
)
332 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
338 pci_write_config_byte(rtlpci
->pdev
, 0xe0, 0xa0);
340 pci_read_config_byte(rtlpci
->pdev
, 0xe0, &offset_e0
);
342 if (offset_e0
== 0xA0) {
343 pci_read_config_dword(rtlpci
->pdev
, 0xe4, &offset_e4
);
344 if (offset_e4
& BIT(23))
351 static void rtl_pci_get_linkcontrol_field(struct ieee80211_hw
*hw
)
353 struct rtl_pci_priv
*pcipriv
= rtl_pcipriv(hw
);
354 struct rtl_pci
*rtlpci
= rtl_pcidev(pcipriv
);
355 u8 capabilityoffset
= pcipriv
->ndis_adapter
.pcibridge_pciehdr_offset
;
359 num4bbytes
= (capabilityoffset
+ 0x10) / 4;
361 /*Read Link Control Register */
362 pci_read_config_byte(rtlpci
->pdev
, (num4bbytes
<< 2), &linkctrl_reg
);
364 pcipriv
->ndis_adapter
.pcibridge_linkctrlreg
= linkctrl_reg
;
367 static void rtl_pci_parse_configuration(struct pci_dev
*pdev
,
368 struct ieee80211_hw
*hw
)
370 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
371 struct rtl_pci_priv
*pcipriv
= rtl_pcipriv(hw
);
377 /*Link Control Register */
378 pos
= pci_pcie_cap(pdev
);
379 pci_read_config_byte(pdev
, pos
+ PCI_EXP_LNKCTL
, &linkctrl_reg
);
380 pcipriv
->ndis_adapter
.linkctrl_reg
= linkctrl_reg
;
382 RT_TRACE(rtlpriv
, COMP_INIT
, DBG_TRACE
, "Link Control Register =%x\n",
383 pcipriv
->ndis_adapter
.linkctrl_reg
);
385 pci_read_config_byte(pdev
, 0x98, &tmp
);
387 pci_write_config_byte(pdev
, 0x98, tmp
);
390 pci_write_config_byte(pdev
, 0x70f, tmp
);
393 static void rtl_pci_init_aspm(struct ieee80211_hw
*hw
)
395 struct rtl_ps_ctl
*ppsc
= rtl_psc(rtl_priv(hw
));
397 _rtl_pci_update_default_setting(hw
);
399 if (ppsc
->reg_rfps_level
& RT_RF_PS_LEVEL_ALWAYS_ASPM
) {
400 /*Always enable ASPM & Clock Req. */
401 rtl_pci_enable_aspm(hw
);
402 RT_SET_PS_LEVEL(ppsc
, RT_RF_PS_LEVEL_ALWAYS_ASPM
);
407 static void _rtl_pci_io_handler_init(struct device
*dev
,
408 struct ieee80211_hw
*hw
)
410 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
412 rtlpriv
->io
.dev
= dev
;
414 rtlpriv
->io
.write8_async
= pci_write8_async
;
415 rtlpriv
->io
.write16_async
= pci_write16_async
;
416 rtlpriv
->io
.write32_async
= pci_write32_async
;
418 rtlpriv
->io
.read8_sync
= pci_read8_sync
;
419 rtlpriv
->io
.read16_sync
= pci_read16_sync
;
420 rtlpriv
->io
.read32_sync
= pci_read32_sync
;
424 static void _rtl_pci_io_handler_release(struct ieee80211_hw
*hw
)
428 static bool _rtl_update_earlymode_info(struct ieee80211_hw
*hw
,
429 struct sk_buff
*skb
, struct rtl_tcb_desc
*tcb_desc
, u8 tid
)
431 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
432 struct ieee80211_tx_info
*info
= IEEE80211_SKB_CB(skb
);
433 u8 additionlen
= FCS_LEN
;
434 struct sk_buff
*next_skb
;
436 /* here open is 4, wep/tkip is 8, aes is 12*/
437 if (info
->control
.hw_key
)
438 additionlen
+= info
->control
.hw_key
->icv_len
;
440 /* The most skb num is 6 */
441 tcb_desc
->empkt_num
= 0;
442 spin_lock_bh(&rtlpriv
->locks
.waitq_lock
);
443 skb_queue_walk(&rtlpriv
->mac80211
.skb_waitq
[tid
], next_skb
) {
444 struct ieee80211_tx_info
*next_info
;
446 next_info
= IEEE80211_SKB_CB(next_skb
);
447 if (next_info
->flags
& IEEE80211_TX_CTL_AMPDU
) {
448 tcb_desc
->empkt_len
[tcb_desc
->empkt_num
] =
449 next_skb
->len
+ additionlen
;
450 tcb_desc
->empkt_num
++;
455 if (skb_queue_is_last(&rtlpriv
->mac80211
.skb_waitq
[tid
],
459 if (tcb_desc
->empkt_num
>= 5)
462 spin_unlock_bh(&rtlpriv
->locks
.waitq_lock
);
467 /* just for early mode now */
468 static void _rtl_pci_tx_chk_waitq(struct ieee80211_hw
*hw
)
470 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
471 struct rtl_mac
*mac
= rtl_mac(rtl_priv(hw
));
472 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
473 struct sk_buff
*skb
= NULL
;
474 struct ieee80211_tx_info
*info
= NULL
;
477 if (!rtlpriv
->rtlhal
.earlymode_enable
)
480 /* we juse use em for BE/BK/VI/VO */
481 for (tid
= 7; tid
>= 0; tid
--) {
482 u8 hw_queue
= ac_to_hwq
[rtl_tid_to_ac(hw
, tid
)];
483 struct rtl8192_tx_ring
*ring
= &rtlpci
->tx_ring
[hw_queue
];
484 while (!mac
->act_scanning
&&
485 rtlpriv
->psc
.rfpwr_state
== ERFON
) {
486 struct rtl_tcb_desc tcb_desc
;
487 memset(&tcb_desc
, 0, sizeof(struct rtl_tcb_desc
));
489 spin_lock_bh(&rtlpriv
->locks
.waitq_lock
);
490 if (!skb_queue_empty(&mac
->skb_waitq
[tid
]) &&
491 (ring
->entries
- skb_queue_len(&ring
->queue
) > 5)) {
492 skb
= skb_dequeue(&mac
->skb_waitq
[tid
]);
494 spin_unlock_bh(&rtlpriv
->locks
.waitq_lock
);
497 spin_unlock_bh(&rtlpriv
->locks
.waitq_lock
);
499 /* Some macaddr can't do early mode. like
500 * multicast/broadcast/no_qos data */
501 info
= IEEE80211_SKB_CB(skb
);
502 if (info
->flags
& IEEE80211_TX_CTL_AMPDU
)
503 _rtl_update_earlymode_info(hw
, skb
,
506 rtlpriv
->intf_ops
->adapter_tx(hw
, skb
, &tcb_desc
);
512 static void _rtl_pci_tx_isr(struct ieee80211_hw
*hw
, int prio
)
514 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
515 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
517 struct rtl8192_tx_ring
*ring
= &rtlpci
->tx_ring
[prio
];
519 while (skb_queue_len(&ring
->queue
)) {
520 struct rtl_tx_desc
*entry
= &ring
->desc
[ring
->idx
];
522 struct ieee80211_tx_info
*info
;
526 u8 own
= (u8
) rtlpriv
->cfg
->ops
->get_desc((u8
*) entry
, true,
530 *beacon packet will only use the first
531 *descriptor defautly,and the own may not
532 *be cleared by the hardware
536 ring
->idx
= (ring
->idx
+ 1) % ring
->entries
;
538 skb
= __skb_dequeue(&ring
->queue
);
539 pci_unmap_single(rtlpci
->pdev
,
541 get_desc((u8
*) entry
, true,
542 HW_DESC_TXBUFF_ADDR
),
543 skb
->len
, PCI_DMA_TODEVICE
);
545 /* remove early mode header */
546 if (rtlpriv
->rtlhal
.earlymode_enable
)
547 skb_pull(skb
, EM_HDR_LEN
);
549 RT_TRACE(rtlpriv
, (COMP_INTR
| COMP_SEND
), DBG_TRACE
,
550 "new ring->idx:%d, free: skb_queue_len:%d, free: seq:%x\n",
552 skb_queue_len(&ring
->queue
),
553 *(u16
*) (skb
->data
+ 22));
555 if (prio
== TXCMD_QUEUE
) {
561 /* for sw LPS, just after NULL skb send out, we can
562 * sure AP kown we are sleeped, our we should not let
564 fc
= rtl_get_fc(skb
);
565 if (ieee80211_is_nullfunc(fc
)) {
566 if (ieee80211_has_pm(fc
)) {
567 rtlpriv
->mac80211
.offchan_delay
= true;
568 rtlpriv
->psc
.state_inap
= true;
570 rtlpriv
->psc
.state_inap
= false;
574 /* update tid tx pkt num */
575 tid
= rtl_get_tid(skb
);
577 rtlpriv
->link_info
.tidtx_inperiod
[tid
]++;
579 info
= IEEE80211_SKB_CB(skb
);
580 ieee80211_tx_info_clear_status(info
);
582 info
->flags
|= IEEE80211_TX_STAT_ACK
;
583 /*info->status.rates[0].count = 1; */
585 ieee80211_tx_status_irqsafe(hw
, skb
);
587 if ((ring
->entries
- skb_queue_len(&ring
->queue
))
590 RT_TRACE(rtlpriv
, COMP_ERR
, DBG_LOUD
,
591 "more desc left, wake skb_queue@%d, ring->idx = %d, skb_queue_len = 0x%d\n",
593 skb_queue_len(&ring
->queue
));
595 ieee80211_wake_queue(hw
,
596 skb_get_queue_mapping
603 if (((rtlpriv
->link_info
.num_rx_inperiod
+
604 rtlpriv
->link_info
.num_tx_inperiod
) > 8) ||
605 (rtlpriv
->link_info
.num_rx_inperiod
> 2)) {
606 schedule_work(&rtlpriv
->works
.lps_leave_work
);
610 static void _rtl_receive_one(struct ieee80211_hw
*hw
, struct sk_buff
*skb
,
611 struct ieee80211_rx_status rx_status
)
613 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
614 struct ieee80211_hdr
*hdr
= rtl_get_hdr(skb
);
615 __le16 fc
= rtl_get_fc(skb
);
616 bool unicast
= false;
617 struct sk_buff
*uskb
= NULL
;
621 memcpy(IEEE80211_SKB_RXCB(skb
), &rx_status
, sizeof(rx_status
));
623 if (is_broadcast_ether_addr(hdr
->addr1
)) {
625 } else if (is_multicast_ether_addr(hdr
->addr1
)) {
629 rtlpriv
->stats
.rxbytesunicast
+= skb
->len
;
632 rtl_is_special_data(hw
, skb
, false);
634 if (ieee80211_is_data(fc
)) {
635 rtlpriv
->cfg
->ops
->led_control(hw
, LED_CTL_RX
);
638 rtlpriv
->link_info
.num_rx_inperiod
++;
642 rtl_swlps_beacon(hw
, (void *)skb
->data
, skb
->len
);
643 rtl_recognize_peer(hw
, (void *)skb
->data
, skb
->len
);
644 if ((rtlpriv
->mac80211
.opmode
== NL80211_IFTYPE_AP
) &&
645 (rtlpriv
->rtlhal
.current_bandtype
== BAND_ON_2_4G
) &&
646 (ieee80211_is_beacon(fc
) || ieee80211_is_probe_resp(fc
)))
649 if (unlikely(!rtl_action_proc(hw
, skb
, false)))
652 uskb
= dev_alloc_skb(skb
->len
+ 128);
654 return; /* exit if allocation failed */
655 memcpy(IEEE80211_SKB_RXCB(uskb
), &rx_status
, sizeof(rx_status
));
656 pdata
= (u8
*)skb_put(uskb
, skb
->len
);
657 memcpy(pdata
, skb
->data
, skb
->len
);
659 ieee80211_rx_irqsafe(hw
, uskb
);
662 static void _rtl_pci_rx_interrupt(struct ieee80211_hw
*hw
)
664 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
665 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
666 int rx_queue_idx
= RTL_PCI_RX_MPDU_QUEUE
;
668 struct ieee80211_rx_status rx_status
= { 0 };
669 unsigned int count
= rtlpci
->rxringcount
;
674 struct rtl_stats stats
= {
679 int index
= rtlpci
->rx_ring
[rx_queue_idx
].idx
;
684 struct rtl_rx_desc
*pdesc
= &rtlpci
->rx_ring
[rx_queue_idx
].desc
[
687 struct sk_buff
*skb
= rtlpci
->rx_ring
[rx_queue_idx
].rx_buf
[
689 struct sk_buff
*new_skb
= NULL
;
691 own
= (u8
) rtlpriv
->cfg
->ops
->get_desc((u8
*) pdesc
,
694 /*wait data to be filled by hardware */
698 rtlpriv
->cfg
->ops
->query_rx_desc(hw
, &stats
,
702 if (stats
.crc
|| stats
.hwerror
)
705 new_skb
= dev_alloc_skb(rtlpci
->rxbuffersize
);
706 if (unlikely(!new_skb
)) {
707 RT_TRACE(rtlpriv
, (COMP_INTR
| COMP_RECV
), DBG_DMESG
,
708 "can't alloc skb for rx\n");
712 pci_unmap_single(rtlpci
->pdev
,
713 *((dma_addr_t
*) skb
->cb
),
714 rtlpci
->rxbuffersize
,
717 skb_put(skb
, rtlpriv
->cfg
->ops
->get_desc((u8
*) pdesc
, false,
719 skb_reserve(skb
, stats
.rx_drvinfo_size
+ stats
.rx_bufshift
);
722 * NOTICE This can not be use for mac80211,
723 * this is done in mac80211 code,
724 * if you done here sec DHCP will fail
725 * skb_trim(skb, skb->len - 4);
728 _rtl_receive_one(hw
, skb
, rx_status
);
730 if (((rtlpriv
->link_info
.num_rx_inperiod
+
731 rtlpriv
->link_info
.num_tx_inperiod
) > 8) ||
732 (rtlpriv
->link_info
.num_rx_inperiod
> 2)) {
733 schedule_work(&rtlpriv
->works
.lps_leave_work
);
736 dev_kfree_skb_any(skb
);
739 rtlpci
->rx_ring
[rx_queue_idx
].rx_buf
[index
] = skb
;
740 *((dma_addr_t
*) skb
->cb
) =
741 pci_map_single(rtlpci
->pdev
, skb_tail_pointer(skb
),
742 rtlpci
->rxbuffersize
,
746 bufferaddress
= (*((dma_addr_t
*)skb
->cb
));
748 rtlpriv
->cfg
->ops
->set_desc((u8
*) pdesc
, false,
750 (u8
*)&bufferaddress
);
751 rtlpriv
->cfg
->ops
->set_desc((u8
*)pdesc
, false,
753 (u8
*)&rtlpci
->rxbuffersize
);
755 if (index
== rtlpci
->rxringcount
- 1)
756 rtlpriv
->cfg
->ops
->set_desc((u8
*)pdesc
, false,
760 rtlpriv
->cfg
->ops
->set_desc((u8
*)pdesc
, false, HW_DESC_RXOWN
,
763 index
= (index
+ 1) % rtlpci
->rxringcount
;
766 rtlpci
->rx_ring
[rx_queue_idx
].idx
= index
;
769 static irqreturn_t
_rtl_pci_interrupt(int irq
, void *dev_id
)
771 struct ieee80211_hw
*hw
= dev_id
;
772 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
773 struct rtl_hal
*rtlhal
= rtl_hal(rtl_priv(hw
));
777 irqreturn_t ret
= IRQ_HANDLED
;
779 spin_lock_irqsave(&rtlpriv
->locks
.irq_th_lock
, flags
);
781 /*read ISR: 4/8bytes */
782 rtlpriv
->cfg
->ops
->interrupt_recognized(hw
, &inta
, &intb
);
784 /*Shared IRQ or HW disappared */
785 if (!inta
|| inta
== 0xffff) {
790 /*<1> beacon related */
791 if (inta
& rtlpriv
->cfg
->maps
[RTL_IMR_TBDOK
]) {
792 RT_TRACE(rtlpriv
, COMP_INTR
, DBG_TRACE
,
793 "beacon ok interrupt!\n");
796 if (unlikely(inta
& rtlpriv
->cfg
->maps
[RTL_IMR_TBDER
])) {
797 RT_TRACE(rtlpriv
, COMP_INTR
, DBG_TRACE
,
798 "beacon err interrupt!\n");
801 if (inta
& rtlpriv
->cfg
->maps
[RTL_IMR_BDOK
]) {
802 RT_TRACE(rtlpriv
, COMP_INTR
, DBG_TRACE
, "beacon interrupt!\n");
805 if (inta
& rtlpriv
->cfg
->maps
[RTL_IMR_BcnInt
]) {
806 RT_TRACE(rtlpriv
, COMP_INTR
, DBG_TRACE
,
807 "prepare beacon for interrupt!\n");
808 tasklet_schedule(&rtlpriv
->works
.irq_prepare_bcn_tasklet
);
812 if (unlikely(inta
& rtlpriv
->cfg
->maps
[RTL_IMR_TXFOVW
]))
813 RT_TRACE(rtlpriv
, COMP_ERR
, DBG_WARNING
, "IMR_TXFOVW!\n");
815 if (inta
& rtlpriv
->cfg
->maps
[RTL_IMR_MGNTDOK
]) {
816 RT_TRACE(rtlpriv
, COMP_INTR
, DBG_TRACE
,
817 "Manage ok interrupt!\n");
818 _rtl_pci_tx_isr(hw
, MGNT_QUEUE
);
821 if (inta
& rtlpriv
->cfg
->maps
[RTL_IMR_HIGHDOK
]) {
822 RT_TRACE(rtlpriv
, COMP_INTR
, DBG_TRACE
,
823 "HIGH_QUEUE ok interrupt!\n");
824 _rtl_pci_tx_isr(hw
, HIGH_QUEUE
);
827 if (inta
& rtlpriv
->cfg
->maps
[RTL_IMR_BKDOK
]) {
828 rtlpriv
->link_info
.num_tx_inperiod
++;
830 RT_TRACE(rtlpriv
, COMP_INTR
, DBG_TRACE
,
831 "BK Tx OK interrupt!\n");
832 _rtl_pci_tx_isr(hw
, BK_QUEUE
);
835 if (inta
& rtlpriv
->cfg
->maps
[RTL_IMR_BEDOK
]) {
836 rtlpriv
->link_info
.num_tx_inperiod
++;
838 RT_TRACE(rtlpriv
, COMP_INTR
, DBG_TRACE
,
839 "BE TX OK interrupt!\n");
840 _rtl_pci_tx_isr(hw
, BE_QUEUE
);
843 if (inta
& rtlpriv
->cfg
->maps
[RTL_IMR_VIDOK
]) {
844 rtlpriv
->link_info
.num_tx_inperiod
++;
846 RT_TRACE(rtlpriv
, COMP_INTR
, DBG_TRACE
,
847 "VI TX OK interrupt!\n");
848 _rtl_pci_tx_isr(hw
, VI_QUEUE
);
851 if (inta
& rtlpriv
->cfg
->maps
[RTL_IMR_VODOK
]) {
852 rtlpriv
->link_info
.num_tx_inperiod
++;
854 RT_TRACE(rtlpriv
, COMP_INTR
, DBG_TRACE
,
855 "Vo TX OK interrupt!\n");
856 _rtl_pci_tx_isr(hw
, VO_QUEUE
);
859 if (rtlhal
->hw_type
== HARDWARE_TYPE_RTL8192SE
) {
860 if (inta
& rtlpriv
->cfg
->maps
[RTL_IMR_COMDOK
]) {
861 rtlpriv
->link_info
.num_tx_inperiod
++;
863 RT_TRACE(rtlpriv
, COMP_INTR
, DBG_TRACE
,
864 "CMD TX OK interrupt!\n");
865 _rtl_pci_tx_isr(hw
, TXCMD_QUEUE
);
870 if (inta
& rtlpriv
->cfg
->maps
[RTL_IMR_ROK
]) {
871 RT_TRACE(rtlpriv
, COMP_INTR
, DBG_TRACE
, "Rx ok interrupt!\n");
872 _rtl_pci_rx_interrupt(hw
);
875 if (unlikely(inta
& rtlpriv
->cfg
->maps
[RTL_IMR_RDU
])) {
876 RT_TRACE(rtlpriv
, COMP_ERR
, DBG_WARNING
,
877 "rx descriptor unavailable!\n");
878 _rtl_pci_rx_interrupt(hw
);
881 if (unlikely(inta
& rtlpriv
->cfg
->maps
[RTL_IMR_RXFOVW
])) {
882 RT_TRACE(rtlpriv
, COMP_ERR
, DBG_WARNING
, "rx overflow !\n");
883 _rtl_pci_rx_interrupt(hw
);
886 if (rtlpriv
->rtlhal
.earlymode_enable
)
887 tasklet_schedule(&rtlpriv
->works
.irq_tasklet
);
890 spin_unlock_irqrestore(&rtlpriv
->locks
.irq_th_lock
, flags
);
894 static void _rtl_pci_irq_tasklet(struct ieee80211_hw
*hw
)
896 _rtl_pci_tx_chk_waitq(hw
);
899 static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw
*hw
)
901 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
902 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
903 struct rtl_mac
*mac
= rtl_mac(rtl_priv(hw
));
904 struct rtl8192_tx_ring
*ring
= NULL
;
905 struct ieee80211_hdr
*hdr
= NULL
;
906 struct ieee80211_tx_info
*info
= NULL
;
907 struct sk_buff
*pskb
= NULL
;
908 struct rtl_tx_desc
*pdesc
= NULL
;
909 struct rtl_tcb_desc tcb_desc
;
912 memset(&tcb_desc
, 0, sizeof(struct rtl_tcb_desc
));
913 ring
= &rtlpci
->tx_ring
[BEACON_QUEUE
];
914 pskb
= __skb_dequeue(&ring
->queue
);
918 /*NB: the beacon data buffer must be 32-bit aligned. */
919 pskb
= ieee80211_beacon_get(hw
, mac
->vif
);
922 hdr
= rtl_get_hdr(pskb
);
923 info
= IEEE80211_SKB_CB(pskb
);
924 pdesc
= &ring
->desc
[0];
925 rtlpriv
->cfg
->ops
->fill_tx_desc(hw
, hdr
, (u8
*) pdesc
,
926 info
, pskb
, BEACON_QUEUE
, &tcb_desc
);
928 __skb_queue_tail(&ring
->queue
, pskb
);
930 rtlpriv
->cfg
->ops
->set_desc((u8
*) pdesc
, true, HW_DESC_OWN
,
936 static void rtl_lps_leave_work_callback(struct work_struct
*work
)
938 struct rtl_works
*rtlworks
=
939 container_of(work
, struct rtl_works
, lps_leave_work
);
940 struct ieee80211_hw
*hw
= rtlworks
->hw
;
945 static void _rtl_pci_init_trx_var(struct ieee80211_hw
*hw
)
947 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
950 for (i
= 0; i
< RTL_PCI_MAX_TX_QUEUE_COUNT
; i
++)
951 rtlpci
->txringcount
[i
] = RT_TXDESC_NUM
;
954 *we just alloc 2 desc for beacon queue,
955 *because we just need first desc in hw beacon.
957 rtlpci
->txringcount
[BEACON_QUEUE
] = 2;
960 *BE queue need more descriptor for performance
961 *consideration or, No more tx desc will happen,
962 *and may cause mac80211 mem leakage.
964 rtlpci
->txringcount
[BE_QUEUE
] = RT_TXDESC_NUM_BE_QUEUE
;
966 rtlpci
->rxbuffersize
= 9100; /*2048/1024; */
967 rtlpci
->rxringcount
= RTL_PCI_MAX_RX_COUNT
; /*64; */
970 static void _rtl_pci_init_struct(struct ieee80211_hw
*hw
,
971 struct pci_dev
*pdev
)
973 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
974 struct rtl_mac
*mac
= rtl_mac(rtl_priv(hw
));
975 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
976 struct rtl_hal
*rtlhal
= rtl_hal(rtl_priv(hw
));
978 rtlpci
->up_first_time
= true;
979 rtlpci
->being_init_adapter
= false;
984 /*Tx/Rx related var */
985 _rtl_pci_init_trx_var(hw
);
987 /*IBSS*/ mac
->beacon_interval
= 100;
990 mac
->min_space_cfg
= 0;
991 mac
->max_mss_density
= 0;
992 /*set sane AMPDU defaults */
993 mac
->current_ampdu_density
= 7;
994 mac
->current_ampdu_factor
= 3;
997 rtlpci
->acm_method
= eAcmWay2_SW
;
1000 tasklet_init(&rtlpriv
->works
.irq_tasklet
,
1001 (void (*)(unsigned long))_rtl_pci_irq_tasklet
,
1003 tasklet_init(&rtlpriv
->works
.irq_prepare_bcn_tasklet
,
1004 (void (*)(unsigned long))_rtl_pci_prepare_bcn_tasklet
,
1006 INIT_WORK(&rtlpriv
->works
.lps_leave_work
, rtl_lps_leave_work_callback
);
1009 static int _rtl_pci_init_tx_ring(struct ieee80211_hw
*hw
,
1010 unsigned int prio
, unsigned int entries
)
1012 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
1013 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
1014 struct rtl_tx_desc
*ring
;
1016 u32 nextdescaddress
;
1019 ring
= pci_alloc_consistent(rtlpci
->pdev
,
1020 sizeof(*ring
) * entries
, &dma
);
1022 if (!ring
|| (unsigned long)ring
& 0xFF) {
1023 RT_TRACE(rtlpriv
, COMP_ERR
, DBG_EMERG
,
1024 "Cannot allocate TX ring (prio = %d)\n", prio
);
1028 memset(ring
, 0, sizeof(*ring
) * entries
);
1029 rtlpci
->tx_ring
[prio
].desc
= ring
;
1030 rtlpci
->tx_ring
[prio
].dma
= dma
;
1031 rtlpci
->tx_ring
[prio
].idx
= 0;
1032 rtlpci
->tx_ring
[prio
].entries
= entries
;
1033 skb_queue_head_init(&rtlpci
->tx_ring
[prio
].queue
);
1035 RT_TRACE(rtlpriv
, COMP_INIT
, DBG_LOUD
, "queue:%d, ring_addr:%p\n",
1038 for (i
= 0; i
< entries
; i
++) {
1039 nextdescaddress
= (u32
) dma
+
1040 ((i
+ 1) % entries
) *
1043 rtlpriv
->cfg
->ops
->set_desc((u8
*)&(ring
[i
]),
1044 true, HW_DESC_TX_NEXTDESC_ADDR
,
1045 (u8
*)&nextdescaddress
);
1051 static int _rtl_pci_init_rx_ring(struct ieee80211_hw
*hw
)
1053 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
1054 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
1055 struct rtl_rx_desc
*entry
= NULL
;
1056 int i
, rx_queue_idx
;
1060 *rx_queue_idx 0:RX_MPDU_QUEUE
1061 *rx_queue_idx 1:RX_CMD_QUEUE
1063 for (rx_queue_idx
= 0; rx_queue_idx
< RTL_PCI_MAX_RX_QUEUE
;
1065 rtlpci
->rx_ring
[rx_queue_idx
].desc
=
1066 pci_alloc_consistent(rtlpci
->pdev
,
1067 sizeof(*rtlpci
->rx_ring
[rx_queue_idx
].
1068 desc
) * rtlpci
->rxringcount
,
1069 &rtlpci
->rx_ring
[rx_queue_idx
].dma
);
1071 if (!rtlpci
->rx_ring
[rx_queue_idx
].desc
||
1072 (unsigned long)rtlpci
->rx_ring
[rx_queue_idx
].desc
& 0xFF) {
1073 RT_TRACE(rtlpriv
, COMP_ERR
, DBG_EMERG
,
1074 "Cannot allocate RX ring\n");
1078 memset(rtlpci
->rx_ring
[rx_queue_idx
].desc
, 0,
1079 sizeof(*rtlpci
->rx_ring
[rx_queue_idx
].desc
) *
1080 rtlpci
->rxringcount
);
1082 rtlpci
->rx_ring
[rx_queue_idx
].idx
= 0;
1084 /* If amsdu_8k is disabled, set buffersize to 4096. This
1085 * change will reduce memory fragmentation.
1087 if (rtlpci
->rxbuffersize
> 4096 &&
1088 rtlpriv
->rtlhal
.disable_amsdu_8k
)
1089 rtlpci
->rxbuffersize
= 4096;
1091 for (i
= 0; i
< rtlpci
->rxringcount
; i
++) {
1092 struct sk_buff
*skb
=
1093 dev_alloc_skb(rtlpci
->rxbuffersize
);
1097 entry
= &rtlpci
->rx_ring
[rx_queue_idx
].desc
[i
];
1099 /*skb->dev = dev; */
1101 rtlpci
->rx_ring
[rx_queue_idx
].rx_buf
[i
] = skb
;
1104 *just set skb->cb to mapping addr
1105 *for pci_unmap_single use
1107 *((dma_addr_t
*) skb
->cb
) =
1108 pci_map_single(rtlpci
->pdev
, skb_tail_pointer(skb
),
1109 rtlpci
->rxbuffersize
,
1110 PCI_DMA_FROMDEVICE
);
1112 bufferaddress
= (*((dma_addr_t
*)skb
->cb
));
1113 rtlpriv
->cfg
->ops
->set_desc((u8
*)entry
, false,
1114 HW_DESC_RXBUFF_ADDR
,
1115 (u8
*)&bufferaddress
);
1116 rtlpriv
->cfg
->ops
->set_desc((u8
*)entry
, false,
1120 rtlpriv
->cfg
->ops
->set_desc((u8
*) entry
, false,
1125 rtlpriv
->cfg
->ops
->set_desc((u8
*) entry
, false,
1126 HW_DESC_RXERO
, (u8
*)&tmp_one
);
1131 static void _rtl_pci_free_tx_ring(struct ieee80211_hw
*hw
,
1134 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
1135 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
1136 struct rtl8192_tx_ring
*ring
= &rtlpci
->tx_ring
[prio
];
1138 while (skb_queue_len(&ring
->queue
)) {
1139 struct rtl_tx_desc
*entry
= &ring
->desc
[ring
->idx
];
1140 struct sk_buff
*skb
= __skb_dequeue(&ring
->queue
);
1142 pci_unmap_single(rtlpci
->pdev
,
1144 ops
->get_desc((u8
*) entry
, true,
1145 HW_DESC_TXBUFF_ADDR
),
1146 skb
->len
, PCI_DMA_TODEVICE
);
1148 ring
->idx
= (ring
->idx
+ 1) % ring
->entries
;
1151 pci_free_consistent(rtlpci
->pdev
,
1152 sizeof(*ring
->desc
) * ring
->entries
,
1153 ring
->desc
, ring
->dma
);
1157 static void _rtl_pci_free_rx_ring(struct rtl_pci
*rtlpci
)
1159 int i
, rx_queue_idx
;
1161 /*rx_queue_idx 0:RX_MPDU_QUEUE */
1162 /*rx_queue_idx 1:RX_CMD_QUEUE */
1163 for (rx_queue_idx
= 0; rx_queue_idx
< RTL_PCI_MAX_RX_QUEUE
;
1165 for (i
= 0; i
< rtlpci
->rxringcount
; i
++) {
1166 struct sk_buff
*skb
=
1167 rtlpci
->rx_ring
[rx_queue_idx
].rx_buf
[i
];
1171 pci_unmap_single(rtlpci
->pdev
,
1172 *((dma_addr_t
*) skb
->cb
),
1173 rtlpci
->rxbuffersize
,
1174 PCI_DMA_FROMDEVICE
);
1178 pci_free_consistent(rtlpci
->pdev
,
1179 sizeof(*rtlpci
->rx_ring
[rx_queue_idx
].
1180 desc
) * rtlpci
->rxringcount
,
1181 rtlpci
->rx_ring
[rx_queue_idx
].desc
,
1182 rtlpci
->rx_ring
[rx_queue_idx
].dma
);
1183 rtlpci
->rx_ring
[rx_queue_idx
].desc
= NULL
;
1187 static int _rtl_pci_init_trx_ring(struct ieee80211_hw
*hw
)
1189 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
1193 ret
= _rtl_pci_init_rx_ring(hw
);
1197 for (i
= 0; i
< RTL_PCI_MAX_TX_QUEUE_COUNT
; i
++) {
1198 ret
= _rtl_pci_init_tx_ring(hw
, i
,
1199 rtlpci
->txringcount
[i
]);
1201 goto err_free_rings
;
1207 _rtl_pci_free_rx_ring(rtlpci
);
1209 for (i
= 0; i
< RTL_PCI_MAX_TX_QUEUE_COUNT
; i
++)
1210 if (rtlpci
->tx_ring
[i
].desc
)
1211 _rtl_pci_free_tx_ring(hw
, i
);
1216 static int _rtl_pci_deinit_trx_ring(struct ieee80211_hw
*hw
)
1218 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
1222 _rtl_pci_free_rx_ring(rtlpci
);
1225 for (i
= 0; i
< RTL_PCI_MAX_TX_QUEUE_COUNT
; i
++)
1226 _rtl_pci_free_tx_ring(hw
, i
);
1231 int rtl_pci_reset_trx_ring(struct ieee80211_hw
*hw
)
1233 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
1234 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
1235 int i
, rx_queue_idx
;
1236 unsigned long flags
;
1239 /*rx_queue_idx 0:RX_MPDU_QUEUE */
1240 /*rx_queue_idx 1:RX_CMD_QUEUE */
1241 for (rx_queue_idx
= 0; rx_queue_idx
< RTL_PCI_MAX_RX_QUEUE
;
1244 *force the rx_ring[RX_MPDU_QUEUE/
1245 *RX_CMD_QUEUE].idx to the first one
1247 if (rtlpci
->rx_ring
[rx_queue_idx
].desc
) {
1248 struct rtl_rx_desc
*entry
= NULL
;
1250 for (i
= 0; i
< rtlpci
->rxringcount
; i
++) {
1251 entry
= &rtlpci
->rx_ring
[rx_queue_idx
].desc
[i
];
1252 rtlpriv
->cfg
->ops
->set_desc((u8
*) entry
,
1257 rtlpci
->rx_ring
[rx_queue_idx
].idx
= 0;
1262 *after reset, release previous pending packet,
1263 *and force the tx idx to the first one
1265 spin_lock_irqsave(&rtlpriv
->locks
.irq_th_lock
, flags
);
1266 for (i
= 0; i
< RTL_PCI_MAX_TX_QUEUE_COUNT
; i
++) {
1267 if (rtlpci
->tx_ring
[i
].desc
) {
1268 struct rtl8192_tx_ring
*ring
= &rtlpci
->tx_ring
[i
];
1270 while (skb_queue_len(&ring
->queue
)) {
1271 struct rtl_tx_desc
*entry
=
1272 &ring
->desc
[ring
->idx
];
1273 struct sk_buff
*skb
=
1274 __skb_dequeue(&ring
->queue
);
1276 pci_unmap_single(rtlpci
->pdev
,
1281 HW_DESC_TXBUFF_ADDR
),
1282 skb
->len
, PCI_DMA_TODEVICE
);
1284 ring
->idx
= (ring
->idx
+ 1) % ring
->entries
;
1290 spin_unlock_irqrestore(&rtlpriv
->locks
.irq_th_lock
, flags
);
1295 static bool rtl_pci_tx_chk_waitq_insert(struct ieee80211_hw
*hw
,
1296 struct sk_buff
*skb
)
1298 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
1299 struct ieee80211_tx_info
*info
= IEEE80211_SKB_CB(skb
);
1300 struct ieee80211_sta
*sta
= info
->control
.sta
;
1301 struct rtl_sta_info
*sta_entry
= NULL
;
1302 u8 tid
= rtl_get_tid(skb
);
1306 sta_entry
= (struct rtl_sta_info
*)sta
->drv_priv
;
1308 if (!rtlpriv
->rtlhal
.earlymode_enable
)
1310 if (sta_entry
->tids
[tid
].agg
.agg_state
!= RTL_AGG_OPERATIONAL
)
1312 if (_rtl_mac_to_hwqueue(hw
, skb
) > VO_QUEUE
)
1317 /* maybe every tid should be checked */
1318 if (!rtlpriv
->link_info
.higher_busytxtraffic
[tid
])
1321 spin_lock_bh(&rtlpriv
->locks
.waitq_lock
);
1322 skb_queue_tail(&rtlpriv
->mac80211
.skb_waitq
[tid
], skb
);
1323 spin_unlock_bh(&rtlpriv
->locks
.waitq_lock
);
1328 static int rtl_pci_tx(struct ieee80211_hw
*hw
, struct sk_buff
*skb
,
1329 struct rtl_tcb_desc
*ptcb_desc
)
1331 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
1332 struct rtl_sta_info
*sta_entry
= NULL
;
1333 struct ieee80211_tx_info
*info
= IEEE80211_SKB_CB(skb
);
1334 struct ieee80211_sta
*sta
= info
->control
.sta
;
1335 struct rtl8192_tx_ring
*ring
;
1336 struct rtl_tx_desc
*pdesc
;
1338 u8 hw_queue
= _rtl_mac_to_hwqueue(hw
, skb
);
1339 unsigned long flags
;
1340 struct ieee80211_hdr
*hdr
= rtl_get_hdr(skb
);
1341 __le16 fc
= rtl_get_fc(skb
);
1342 u8
*pda_addr
= hdr
->addr1
;
1343 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
1350 if (ieee80211_is_auth(fc
)) {
1351 RT_TRACE(rtlpriv
, COMP_SEND
, DBG_DMESG
, "MAC80211_LINKING\n");
1355 if (rtlpriv
->psc
.sw_ps_enabled
) {
1356 if (ieee80211_is_data(fc
) && !ieee80211_is_nullfunc(fc
) &&
1357 !ieee80211_has_pm(fc
))
1358 hdr
->frame_control
|= cpu_to_le16(IEEE80211_FCTL_PM
);
1361 rtl_action_proc(hw
, skb
, true);
1363 if (is_multicast_ether_addr(pda_addr
))
1364 rtlpriv
->stats
.txbytesmulticast
+= skb
->len
;
1365 else if (is_broadcast_ether_addr(pda_addr
))
1366 rtlpriv
->stats
.txbytesbroadcast
+= skb
->len
;
1368 rtlpriv
->stats
.txbytesunicast
+= skb
->len
;
1370 spin_lock_irqsave(&rtlpriv
->locks
.irq_th_lock
, flags
);
1371 ring
= &rtlpci
->tx_ring
[hw_queue
];
1372 if (hw_queue
!= BEACON_QUEUE
)
1373 idx
= (ring
->idx
+ skb_queue_len(&ring
->queue
)) %
1378 pdesc
= &ring
->desc
[idx
];
1379 own
= (u8
) rtlpriv
->cfg
->ops
->get_desc((u8
*) pdesc
,
1382 if ((own
== 1) && (hw_queue
!= BEACON_QUEUE
)) {
1383 RT_TRACE(rtlpriv
, COMP_ERR
, DBG_WARNING
,
1384 "No more TX desc@%d, ring->idx = %d, idx = %d, skb_queue_len = 0x%d\n",
1385 hw_queue
, ring
->idx
, idx
,
1386 skb_queue_len(&ring
->queue
));
1388 spin_unlock_irqrestore(&rtlpriv
->locks
.irq_th_lock
, flags
);
1392 if (ieee80211_is_data_qos(fc
)) {
1393 tid
= rtl_get_tid(skb
);
1395 sta_entry
= (struct rtl_sta_info
*)sta
->drv_priv
;
1396 seq_number
= (le16_to_cpu(hdr
->seq_ctrl
) &
1397 IEEE80211_SCTL_SEQ
) >> 4;
1400 if (!ieee80211_has_morefrags(hdr
->frame_control
))
1401 sta_entry
->tids
[tid
].seq_number
= seq_number
;
1405 if (ieee80211_is_data(fc
))
1406 rtlpriv
->cfg
->ops
->led_control(hw
, LED_CTL_TX
);
1408 rtlpriv
->cfg
->ops
->fill_tx_desc(hw
, hdr
, (u8
*)pdesc
,
1409 info
, skb
, hw_queue
, ptcb_desc
);
1411 __skb_queue_tail(&ring
->queue
, skb
);
1413 rtlpriv
->cfg
->ops
->set_desc((u8
*)pdesc
, true,
1414 HW_DESC_OWN
, (u8
*)&temp_one
);
1417 if ((ring
->entries
- skb_queue_len(&ring
->queue
)) < 2 &&
1418 hw_queue
!= BEACON_QUEUE
) {
1420 RT_TRACE(rtlpriv
, COMP_ERR
, DBG_LOUD
,
1421 "less desc left, stop skb_queue@%d, ring->idx = %d, idx = %d, skb_queue_len = 0x%d\n",
1422 hw_queue
, ring
->idx
, idx
,
1423 skb_queue_len(&ring
->queue
));
1425 ieee80211_stop_queue(hw
, skb_get_queue_mapping(skb
));
1428 spin_unlock_irqrestore(&rtlpriv
->locks
.irq_th_lock
, flags
);
1430 rtlpriv
->cfg
->ops
->tx_polling(hw
, hw_queue
);
1435 static void rtl_pci_flush(struct ieee80211_hw
*hw
, bool drop
)
1437 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
1438 struct rtl_pci_priv
*pcipriv
= rtl_pcipriv(hw
);
1439 struct rtl_hal
*rtlhal
= rtl_hal(rtl_priv(hw
));
1442 struct rtl8192_tx_ring
*ring
;
1444 for (queue_id
= RTL_PCI_MAX_TX_QUEUE_COUNT
- 1; queue_id
>= 0;) {
1446 ring
= &pcipriv
->dev
.tx_ring
[queue_id
];
1447 queue_len
= skb_queue_len(&ring
->queue
);
1448 if (queue_len
== 0 || queue_id
== BEACON_QUEUE
||
1449 queue_id
== TXCMD_QUEUE
) {
1457 /* we just wait 1s for all queues */
1458 if (rtlpriv
->psc
.rfpwr_state
== ERFOFF
||
1459 is_hal_stop(rtlhal
) || i
>= 200)
1464 static void rtl_pci_deinit(struct ieee80211_hw
*hw
)
1466 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
1467 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
1469 _rtl_pci_deinit_trx_ring(hw
);
1471 synchronize_irq(rtlpci
->pdev
->irq
);
1472 tasklet_kill(&rtlpriv
->works
.irq_tasklet
);
1473 cancel_work_sync(&rtlpriv
->works
.lps_leave_work
);
1475 flush_workqueue(rtlpriv
->works
.rtl_wq
);
1476 destroy_workqueue(rtlpriv
->works
.rtl_wq
);
1480 static int rtl_pci_init(struct ieee80211_hw
*hw
, struct pci_dev
*pdev
)
1482 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
1485 _rtl_pci_init_struct(hw
, pdev
);
1487 err
= _rtl_pci_init_trx_ring(hw
);
1489 RT_TRACE(rtlpriv
, COMP_ERR
, DBG_EMERG
,
1490 "tx ring initialization failed\n");
1497 static int rtl_pci_start(struct ieee80211_hw
*hw
)
1499 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
1500 struct rtl_hal
*rtlhal
= rtl_hal(rtl_priv(hw
));
1501 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
1502 struct rtl_ps_ctl
*ppsc
= rtl_psc(rtl_priv(hw
));
1506 rtl_pci_reset_trx_ring(hw
);
1508 rtlpci
->driver_is_goingto_unload
= false;
1509 err
= rtlpriv
->cfg
->ops
->hw_init(hw
);
1511 RT_TRACE(rtlpriv
, COMP_INIT
, DBG_DMESG
,
1512 "Failed to config hardware!\n");
1516 rtlpriv
->cfg
->ops
->enable_interrupt(hw
);
1517 RT_TRACE(rtlpriv
, COMP_INIT
, DBG_LOUD
, "enable_interrupt OK\n");
1519 rtl_init_rx_config(hw
);
1521 /*should be after adapter start and interrupt enable. */
1522 set_hal_start(rtlhal
);
1524 RT_CLEAR_PS_LEVEL(ppsc
, RT_RF_OFF_LEVL_HALT_NIC
);
1526 rtlpci
->up_first_time
= false;
1528 RT_TRACE(rtlpriv
, COMP_INIT
, DBG_DMESG
, "OK\n");
1532 static void rtl_pci_stop(struct ieee80211_hw
*hw
)
1534 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
1535 struct rtl_pci
*rtlpci
= rtl_pcidev(rtl_pcipriv(hw
));
1536 struct rtl_ps_ctl
*ppsc
= rtl_psc(rtl_priv(hw
));
1537 struct rtl_hal
*rtlhal
= rtl_hal(rtl_priv(hw
));
1538 unsigned long flags
;
1539 u8 RFInProgressTimeOut
= 0;
1542 *should be before disable interrupt&adapter
1543 *and will do it immediately.
1545 set_hal_stop(rtlhal
);
1547 rtlpriv
->cfg
->ops
->disable_interrupt(hw
);
1548 cancel_work_sync(&rtlpriv
->works
.lps_leave_work
);
1550 spin_lock_irqsave(&rtlpriv
->locks
.rf_ps_lock
, flags
);
1551 while (ppsc
->rfchange_inprogress
) {
1552 spin_unlock_irqrestore(&rtlpriv
->locks
.rf_ps_lock
, flags
);
1553 if (RFInProgressTimeOut
> 100) {
1554 spin_lock_irqsave(&rtlpriv
->locks
.rf_ps_lock
, flags
);
1558 RFInProgressTimeOut
++;
1559 spin_lock_irqsave(&rtlpriv
->locks
.rf_ps_lock
, flags
);
1561 ppsc
->rfchange_inprogress
= true;
1562 spin_unlock_irqrestore(&rtlpriv
->locks
.rf_ps_lock
, flags
);
1564 rtlpci
->driver_is_goingto_unload
= true;
1565 rtlpriv
->cfg
->ops
->hw_disable(hw
);
1566 /* some things are not needed if firmware not available */
1567 if (!rtlpriv
->max_fw_size
)
1569 rtlpriv
->cfg
->ops
->led_control(hw
, LED_CTL_POWER_OFF
);
1571 spin_lock_irqsave(&rtlpriv
->locks
.rf_ps_lock
, flags
);
1572 ppsc
->rfchange_inprogress
= false;
1573 spin_unlock_irqrestore(&rtlpriv
->locks
.rf_ps_lock
, flags
);
1575 rtl_pci_enable_aspm(hw
);
1578 static bool _rtl_pci_find_adapter(struct pci_dev
*pdev
,
1579 struct ieee80211_hw
*hw
)
1581 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
1582 struct rtl_pci_priv
*pcipriv
= rtl_pcipriv(hw
);
1583 struct rtl_hal
*rtlhal
= rtl_hal(rtl_priv(hw
));
1584 struct pci_dev
*bridge_pdev
= pdev
->bus
->self
;
1591 pcipriv
->ndis_adapter
.pcibridge_vendor
= PCI_BRIDGE_VENDOR_UNKNOWN
;
1592 venderid
= pdev
->vendor
;
1593 deviceid
= pdev
->device
;
1594 pci_read_config_byte(pdev
, 0x8, &revisionid
);
1595 pci_read_config_word(pdev
, 0x3C, &irqline
);
1597 /* PCI ID 0x10ec:0x8192 occurs for both RTL8192E, which uses
1598 * r8192e_pci, and RTL8192SE, which uses this driver. If the
1599 * revision ID is RTL_PCI_REVISION_ID_8192PCIE (0x01), then
1600 * the correct driver is r8192e_pci, thus this routine should
1603 if (deviceid
== RTL_PCI_8192SE_DID
&&
1604 revisionid
== RTL_PCI_REVISION_ID_8192PCIE
)
1607 if (deviceid
== RTL_PCI_8192_DID
||
1608 deviceid
== RTL_PCI_0044_DID
||
1609 deviceid
== RTL_PCI_0047_DID
||
1610 deviceid
== RTL_PCI_8192SE_DID
||
1611 deviceid
== RTL_PCI_8174_DID
||
1612 deviceid
== RTL_PCI_8173_DID
||
1613 deviceid
== RTL_PCI_8172_DID
||
1614 deviceid
== RTL_PCI_8171_DID
) {
1615 switch (revisionid
) {
1616 case RTL_PCI_REVISION_ID_8192PCIE
:
1617 RT_TRACE(rtlpriv
, COMP_INIT
, DBG_DMESG
,
1618 "8192 PCI-E is found - vid/did=%x/%x\n",
1619 venderid
, deviceid
);
1620 rtlhal
->hw_type
= HARDWARE_TYPE_RTL8192E
;
1622 case RTL_PCI_REVISION_ID_8192SE
:
1623 RT_TRACE(rtlpriv
, COMP_INIT
, DBG_DMESG
,
1624 "8192SE is found - vid/did=%x/%x\n",
1625 venderid
, deviceid
);
1626 rtlhal
->hw_type
= HARDWARE_TYPE_RTL8192SE
;
1629 RT_TRACE(rtlpriv
, COMP_ERR
, DBG_WARNING
,
1630 "Err: Unknown device - vid/did=%x/%x\n",
1631 venderid
, deviceid
);
1632 rtlhal
->hw_type
= HARDWARE_TYPE_RTL8192SE
;
1636 } else if (deviceid
== RTL_PCI_8192CET_DID
||
1637 deviceid
== RTL_PCI_8192CE_DID
||
1638 deviceid
== RTL_PCI_8191CE_DID
||
1639 deviceid
== RTL_PCI_8188CE_DID
) {
1640 rtlhal
->hw_type
= HARDWARE_TYPE_RTL8192CE
;
1641 RT_TRACE(rtlpriv
, COMP_INIT
, DBG_DMESG
,
1642 "8192C PCI-E is found - vid/did=%x/%x\n",
1643 venderid
, deviceid
);
1644 } else if (deviceid
== RTL_PCI_8192DE_DID
||
1645 deviceid
== RTL_PCI_8192DE_DID2
) {
1646 rtlhal
->hw_type
= HARDWARE_TYPE_RTL8192DE
;
1647 RT_TRACE(rtlpriv
, COMP_INIT
, DBG_DMESG
,
1648 "8192D PCI-E is found - vid/did=%x/%x\n",
1649 venderid
, deviceid
);
1651 RT_TRACE(rtlpriv
, COMP_ERR
, DBG_WARNING
,
1652 "Err: Unknown device - vid/did=%x/%x\n",
1653 venderid
, deviceid
);
1655 rtlhal
->hw_type
= RTL_DEFAULT_HARDWARE_TYPE
;
1658 if (rtlhal
->hw_type
== HARDWARE_TYPE_RTL8192DE
) {
1659 if (revisionid
== 0 || revisionid
== 1) {
1660 if (revisionid
== 0) {
1661 RT_TRACE(rtlpriv
, COMP_INIT
, DBG_LOUD
,
1662 "Find 92DE MAC0\n");
1663 rtlhal
->interfaceindex
= 0;
1664 } else if (revisionid
== 1) {
1665 RT_TRACE(rtlpriv
, COMP_INIT
, DBG_LOUD
,
1666 "Find 92DE MAC1\n");
1667 rtlhal
->interfaceindex
= 1;
1670 RT_TRACE(rtlpriv
, COMP_INIT
, DBG_LOUD
,
1671 "Unknown device - VendorID/DeviceID=%x/%x, Revision=%x\n",
1672 venderid
, deviceid
, revisionid
);
1673 rtlhal
->interfaceindex
= 0;
1677 pcipriv
->ndis_adapter
.busnumber
= pdev
->bus
->number
;
1678 pcipriv
->ndis_adapter
.devnumber
= PCI_SLOT(pdev
->devfn
);
1679 pcipriv
->ndis_adapter
.funcnumber
= PCI_FUNC(pdev
->devfn
);
1682 /*find bridge info if available */
1683 pcipriv
->ndis_adapter
.pcibridge_vendorid
= bridge_pdev
->vendor
;
1684 for (tmp
= 0; tmp
< PCI_BRIDGE_VENDOR_MAX
; tmp
++) {
1685 if (bridge_pdev
->vendor
== pcibridge_vendors
[tmp
]) {
1686 pcipriv
->ndis_adapter
.pcibridge_vendor
= tmp
;
1687 RT_TRACE(rtlpriv
, COMP_INIT
, DBG_DMESG
,
1688 "Pci Bridge Vendor is found index: %d\n",
1695 if (pcipriv
->ndis_adapter
.pcibridge_vendor
!=
1696 PCI_BRIDGE_VENDOR_UNKNOWN
) {
1697 pcipriv
->ndis_adapter
.pcibridge_busnum
=
1698 bridge_pdev
->bus
->number
;
1699 pcipriv
->ndis_adapter
.pcibridge_devnum
=
1700 PCI_SLOT(bridge_pdev
->devfn
);
1701 pcipriv
->ndis_adapter
.pcibridge_funcnum
=
1702 PCI_FUNC(bridge_pdev
->devfn
);
1703 pcipriv
->ndis_adapter
.pcibridge_pciehdr_offset
=
1704 pci_pcie_cap(bridge_pdev
);
1705 pcipriv
->ndis_adapter
.num4bytes
=
1706 (pcipriv
->ndis_adapter
.pcibridge_pciehdr_offset
+ 0x10) / 4;
1708 rtl_pci_get_linkcontrol_field(hw
);
1710 if (pcipriv
->ndis_adapter
.pcibridge_vendor
==
1711 PCI_BRIDGE_VENDOR_AMD
) {
1712 pcipriv
->ndis_adapter
.amd_l1_patch
=
1713 rtl_pci_get_amd_l1_patch(hw
);
1717 RT_TRACE(rtlpriv
, COMP_INIT
, DBG_DMESG
,
1718 "pcidev busnumber:devnumber:funcnumber:vendor:link_ctl %d:%d:%d:%x:%x\n",
1719 pcipriv
->ndis_adapter
.busnumber
,
1720 pcipriv
->ndis_adapter
.devnumber
,
1721 pcipriv
->ndis_adapter
.funcnumber
,
1722 pdev
->vendor
, pcipriv
->ndis_adapter
.linkctrl_reg
);
1724 RT_TRACE(rtlpriv
, COMP_INIT
, DBG_DMESG
,
1725 "pci_bridge busnumber:devnumber:funcnumber:vendor:pcie_cap:link_ctl_reg:amd %d:%d:%d:%x:%x:%x:%x\n",
1726 pcipriv
->ndis_adapter
.pcibridge_busnum
,
1727 pcipriv
->ndis_adapter
.pcibridge_devnum
,
1728 pcipriv
->ndis_adapter
.pcibridge_funcnum
,
1729 pcibridge_vendors
[pcipriv
->ndis_adapter
.pcibridge_vendor
],
1730 pcipriv
->ndis_adapter
.pcibridge_pciehdr_offset
,
1731 pcipriv
->ndis_adapter
.pcibridge_linkctrlreg
,
1732 pcipriv
->ndis_adapter
.amd_l1_patch
);
1734 rtl_pci_parse_configuration(pdev
, hw
);
1739 int __devinit
rtl_pci_probe(struct pci_dev
*pdev
,
1740 const struct pci_device_id
*id
)
1742 struct ieee80211_hw
*hw
= NULL
;
1744 struct rtl_priv
*rtlpriv
= NULL
;
1745 struct rtl_pci_priv
*pcipriv
= NULL
;
1746 struct rtl_pci
*rtlpci
;
1747 unsigned long pmem_start
, pmem_len
, pmem_flags
;
1750 err
= pci_enable_device(pdev
);
1752 RT_ASSERT(false, "%s : Cannot enable new PCI device\n",
1757 if (!pci_set_dma_mask(pdev
, DMA_BIT_MASK(32))) {
1758 if (pci_set_consistent_dma_mask(pdev
, DMA_BIT_MASK(32))) {
1760 "Unable to obtain 32bit DMA for consistent allocations\n");
1766 pci_set_master(pdev
);
1768 hw
= ieee80211_alloc_hw(sizeof(struct rtl_pci_priv
) +
1769 sizeof(struct rtl_priv
), &rtl_ops
);
1772 "%s : ieee80211 alloc failed\n", pci_name(pdev
));
1777 SET_IEEE80211_DEV(hw
, &pdev
->dev
);
1778 pci_set_drvdata(pdev
, hw
);
1781 pcipriv
= (void *)rtlpriv
->priv
;
1782 pcipriv
->dev
.pdev
= pdev
;
1783 init_completion(&rtlpriv
->firmware_loading_complete
);
1785 /* init cfg & intf_ops */
1786 rtlpriv
->rtlhal
.interface
= INTF_PCI
;
1787 rtlpriv
->cfg
= (struct rtl_hal_cfg
*)(id
->driver_data
);
1788 rtlpriv
->intf_ops
= &rtl_pci_ops
;
1791 *init dbgp flags before all
1792 *other functions, because we will
1793 *use it in other funtions like
1794 *RT_TRACE/RT_PRINT/RTL_PRINT_DATA
1795 *you can not use these macro
1798 rtl_dbgp_flag_init(hw
);
1801 err
= pci_request_regions(pdev
, KBUILD_MODNAME
);
1803 RT_ASSERT(false, "Can't obtain PCI resources\n");
1807 pmem_start
= pci_resource_start(pdev
, rtlpriv
->cfg
->bar_id
);
1808 pmem_len
= pci_resource_len(pdev
, rtlpriv
->cfg
->bar_id
);
1809 pmem_flags
= pci_resource_flags(pdev
, rtlpriv
->cfg
->bar_id
);
1811 /*shared mem start */
1812 rtlpriv
->io
.pci_mem_start
=
1813 (unsigned long)pci_iomap(pdev
,
1814 rtlpriv
->cfg
->bar_id
, pmem_len
);
1815 if (rtlpriv
->io
.pci_mem_start
== 0) {
1816 RT_ASSERT(false, "Can't map PCI mem\n");
1821 RT_TRACE(rtlpriv
, COMP_INIT
, DBG_DMESG
,
1822 "mem mapped space: start: 0x%08lx len:%08lx flags:%08lx, after map:0x%08lx\n",
1823 pmem_start
, pmem_len
, pmem_flags
,
1824 rtlpriv
->io
.pci_mem_start
);
1826 /* Disable Clk Request */
1827 pci_write_config_byte(pdev
, 0x81, 0);
1829 pci_write_config_byte(pdev
, 0x44, 0);
1830 pci_write_config_byte(pdev
, 0x04, 0x06);
1831 pci_write_config_byte(pdev
, 0x04, 0x07);
1834 if (!_rtl_pci_find_adapter(pdev
, hw
)) {
1839 /* Init IO handler */
1840 _rtl_pci_io_handler_init(&pdev
->dev
, hw
);
1842 /*like read eeprom and so on */
1843 rtlpriv
->cfg
->ops
->read_eeprom_info(hw
);
1845 if (rtlpriv
->cfg
->ops
->init_sw_vars(hw
)) {
1846 RT_TRACE(rtlpriv
, COMP_ERR
, DBG_EMERG
, "Can't init_sw_vars\n");
1851 rtlpriv
->cfg
->ops
->init_sw_leds(hw
);
1854 rtl_pci_init_aspm(hw
);
1856 /* Init mac80211 sw */
1857 err
= rtl_init_core(hw
);
1859 RT_TRACE(rtlpriv
, COMP_ERR
, DBG_EMERG
,
1860 "Can't allocate sw for mac80211\n");
1865 err
= !rtl_pci_init(hw
, pdev
);
1867 RT_TRACE(rtlpriv
, COMP_ERR
, DBG_EMERG
, "Failed to init PCI\n");
1871 err
= sysfs_create_group(&pdev
->dev
.kobj
, &rtl_attribute_group
);
1873 RT_TRACE(rtlpriv
, COMP_ERR
, DBG_EMERG
,
1874 "failed to create sysfs device attributes\n");
1878 rtlpci
= rtl_pcidev(pcipriv
);
1879 err
= request_irq(rtlpci
->pdev
->irq
, &_rtl_pci_interrupt
,
1880 IRQF_SHARED
, KBUILD_MODNAME
, hw
);
1882 RT_TRACE(rtlpriv
, COMP_INIT
, DBG_DMESG
,
1883 "%s: failed to register IRQ handler\n",
1884 wiphy_name(hw
->wiphy
));
1887 rtlpci
->irq_alloc
= 1;
1892 rtl_deinit_core(hw
);
1893 _rtl_pci_io_handler_release(hw
);
1895 if (rtlpriv
->io
.pci_mem_start
!= 0)
1896 pci_iounmap(pdev
, (void __iomem
*)rtlpriv
->io
.pci_mem_start
);
1899 pci_release_regions(pdev
);
1900 complete(&rtlpriv
->firmware_loading_complete
);
1904 ieee80211_free_hw(hw
);
1905 pci_set_drvdata(pdev
, NULL
);
1906 pci_disable_device(pdev
);
1911 EXPORT_SYMBOL(rtl_pci_probe
);
1913 void rtl_pci_disconnect(struct pci_dev
*pdev
)
1915 struct ieee80211_hw
*hw
= pci_get_drvdata(pdev
);
1916 struct rtl_pci_priv
*pcipriv
= rtl_pcipriv(hw
);
1917 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
1918 struct rtl_pci
*rtlpci
= rtl_pcidev(pcipriv
);
1919 struct rtl_mac
*rtlmac
= rtl_mac(rtlpriv
);
1921 /* just in case driver is removed before firmware callback */
1922 wait_for_completion(&rtlpriv
->firmware_loading_complete
);
1923 clear_bit(RTL_STATUS_INTERFACE_START
, &rtlpriv
->status
);
1925 sysfs_remove_group(&pdev
->dev
.kobj
, &rtl_attribute_group
);
1927 /*ieee80211_unregister_hw will call ops_stop */
1928 if (rtlmac
->mac80211_registered
== 1) {
1929 ieee80211_unregister_hw(hw
);
1930 rtlmac
->mac80211_registered
= 0;
1932 rtl_deinit_deferred_work(hw
);
1933 rtlpriv
->intf_ops
->adapter_stop(hw
);
1937 rtl_deinit_rfkill(hw
);
1940 rtl_deinit_core(hw
);
1941 _rtl_pci_io_handler_release(hw
);
1942 rtlpriv
->cfg
->ops
->deinit_sw_vars(hw
);
1944 if (rtlpci
->irq_alloc
) {
1945 free_irq(rtlpci
->pdev
->irq
, hw
);
1946 rtlpci
->irq_alloc
= 0;
1949 if (rtlpriv
->io
.pci_mem_start
!= 0) {
1950 pci_iounmap(pdev
, (void __iomem
*)rtlpriv
->io
.pci_mem_start
);
1951 pci_release_regions(pdev
);
1954 pci_disable_device(pdev
);
1956 rtl_pci_disable_aspm(hw
);
1958 pci_set_drvdata(pdev
, NULL
);
1960 ieee80211_free_hw(hw
);
1962 EXPORT_SYMBOL(rtl_pci_disconnect
);
1964 /***************************************
1965 kernel pci power state define:
1966 PCI_D0 ((pci_power_t __force) 0)
1967 PCI_D1 ((pci_power_t __force) 1)
1968 PCI_D2 ((pci_power_t __force) 2)
1969 PCI_D3hot ((pci_power_t __force) 3)
1970 PCI_D3cold ((pci_power_t __force) 4)
1971 PCI_UNKNOWN ((pci_power_t __force) 5)
1973 This function is called when system
1974 goes into suspend state mac80211 will
1975 call rtl_mac_stop() from the mac80211
1976 suspend function first, So there is
1977 no need to call hw_disable here.
1978 ****************************************/
1979 int rtl_pci_suspend(struct device
*dev
)
1981 struct pci_dev
*pdev
= to_pci_dev(dev
);
1982 struct ieee80211_hw
*hw
= pci_get_drvdata(pdev
);
1983 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
1985 rtlpriv
->cfg
->ops
->hw_suspend(hw
);
1986 rtl_deinit_rfkill(hw
);
1990 EXPORT_SYMBOL(rtl_pci_suspend
);
1992 int rtl_pci_resume(struct device
*dev
)
1994 struct pci_dev
*pdev
= to_pci_dev(dev
);
1995 struct ieee80211_hw
*hw
= pci_get_drvdata(pdev
);
1996 struct rtl_priv
*rtlpriv
= rtl_priv(hw
);
1998 rtlpriv
->cfg
->ops
->hw_resume(hw
);
1999 rtl_init_rfkill(hw
);
2002 EXPORT_SYMBOL(rtl_pci_resume
);
2004 struct rtl_intf_ops rtl_pci_ops
= {
2005 .read_efuse_byte
= read_efuse_byte
,
2006 .adapter_start
= rtl_pci_start
,
2007 .adapter_stop
= rtl_pci_stop
,
2008 .adapter_tx
= rtl_pci_tx
,
2009 .flush
= rtl_pci_flush
,
2010 .reset_trx_ring
= rtl_pci_reset_trx_ring
,
2011 .waitq_insert
= rtl_pci_tx_chk_waitq_insert
,
2013 .disable_aspm
= rtl_pci_disable_aspm
,
2014 .enable_aspm
= rtl_pci_enable_aspm
,