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Commit | Line | Data |
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0c817338 LF |
1 | /****************************************************************************** |
2 | * | |
a8d76066 | 3 | * Copyright(c) 2009-2012 Realtek Corporation. |
0c817338 LF |
4 | * |
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. | |
8 | * | |
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 | |
12 | * more details. | |
13 | * | |
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 | |
17 | * | |
18 | * The full GNU General Public License is included in this distribution in the | |
19 | * file called LICENSE. | |
20 | * | |
21 | * Contact Information: | |
22 | * wlanfae <wlanfae@realtek.com> | |
23 | * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, | |
24 | * Hsinchu 300, Taiwan. | |
25 | * | |
26 | * Larry Finger <Larry.Finger@lwfinger.net> | |
27 | * | |
28 | *****************************************************************************/ | |
29 | ||
0c817338 | 30 | #include "wifi.h" |
d273bb20 | 31 | #include "core.h" |
0c817338 LF |
32 | #include "pci.h" |
33 | #include "base.h" | |
34 | #include "ps.h" | |
c7cfe38e | 35 | #include "efuse.h" |
38506ece | 36 | #include <linux/interrupt.h> |
d273bb20 | 37 | #include <linux/export.h> |
f11bbfd8 | 38 | #include <linux/kmemleak.h> |
6f334c2b LF |
39 | #include <linux/module.h> |
40 | ||
41 | MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); | |
42 | MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); | |
43 | MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); | |
44 | MODULE_LICENSE("GPL"); | |
45 | MODULE_DESCRIPTION("PCI basic driver for rtlwifi"); | |
0c817338 LF |
46 | |
47 | static const u16 pcibridge_vendors[PCI_BRIDGE_VENDOR_MAX] = { | |
38506ece LF |
48 | INTEL_VENDOR_ID, |
49 | ATI_VENDOR_ID, | |
50 | AMD_VENDOR_ID, | |
51 | SIS_VENDOR_ID | |
0c817338 LF |
52 | }; |
53 | ||
c7cfe38e C |
54 | static const u8 ac_to_hwq[] = { |
55 | VO_QUEUE, | |
56 | VI_QUEUE, | |
57 | BE_QUEUE, | |
58 | BK_QUEUE | |
59 | }; | |
60 | ||
d3bb1429 | 61 | static u8 _rtl_mac_to_hwqueue(struct ieee80211_hw *hw, |
c7cfe38e C |
62 | struct sk_buff *skb) |
63 | { | |
64 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
d3bb1429 | 65 | __le16 fc = rtl_get_fc(skb); |
c7cfe38e C |
66 | u8 queue_index = skb_get_queue_mapping(skb); |
67 | ||
68 | if (unlikely(ieee80211_is_beacon(fc))) | |
69 | return BEACON_QUEUE; | |
26634c4b | 70 | if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc)) |
c7cfe38e C |
71 | return MGNT_QUEUE; |
72 | if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) | |
73 | if (ieee80211_is_nullfunc(fc)) | |
74 | return HIGH_QUEUE; | |
75 | ||
76 | return ac_to_hwq[queue_index]; | |
77 | } | |
78 | ||
0c817338 LF |
79 | /* Update PCI dependent default settings*/ |
80 | static void _rtl_pci_update_default_setting(struct ieee80211_hw *hw) | |
81 | { | |
82 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
83 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); | |
84 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
85 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
86 | u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor; | |
c7cfe38e | 87 | u8 init_aspm; |
0c817338 LF |
88 | |
89 | ppsc->reg_rfps_level = 0; | |
3db1cd5c | 90 | ppsc->support_aspm = false; |
0c817338 LF |
91 | |
92 | /*Update PCI ASPM setting */ | |
93 | ppsc->const_amdpci_aspm = rtlpci->const_amdpci_aspm; | |
94 | switch (rtlpci->const_pci_aspm) { | |
95 | case 0: | |
96 | /*No ASPM */ | |
97 | break; | |
98 | ||
99 | case 1: | |
100 | /*ASPM dynamically enabled/disable. */ | |
101 | ppsc->reg_rfps_level |= RT_RF_LPS_LEVEL_ASPM; | |
102 | break; | |
103 | ||
104 | case 2: | |
105 | /*ASPM with Clock Req dynamically enabled/disable. */ | |
106 | ppsc->reg_rfps_level |= (RT_RF_LPS_LEVEL_ASPM | | |
107 | RT_RF_OFF_LEVL_CLK_REQ); | |
108 | break; | |
109 | ||
110 | case 3: | |
111 | /* | |
112 | * Always enable ASPM and Clock Req | |
113 | * from initialization to halt. | |
114 | * */ | |
115 | ppsc->reg_rfps_level &= ~(RT_RF_LPS_LEVEL_ASPM); | |
116 | ppsc->reg_rfps_level |= (RT_RF_PS_LEVEL_ALWAYS_ASPM | | |
117 | RT_RF_OFF_LEVL_CLK_REQ); | |
118 | break; | |
119 | ||
120 | case 4: | |
121 | /* | |
122 | * Always enable ASPM without Clock Req | |
123 | * from initialization to halt. | |
124 | * */ | |
125 | ppsc->reg_rfps_level &= ~(RT_RF_LPS_LEVEL_ASPM | | |
126 | RT_RF_OFF_LEVL_CLK_REQ); | |
127 | ppsc->reg_rfps_level |= RT_RF_PS_LEVEL_ALWAYS_ASPM; | |
128 | break; | |
129 | } | |
130 | ||
131 | ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_HALT_NIC; | |
132 | ||
133 | /*Update Radio OFF setting */ | |
134 | switch (rtlpci->const_hwsw_rfoff_d3) { | |
135 | case 1: | |
136 | if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM) | |
137 | ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_ASPM; | |
138 | break; | |
139 | ||
140 | case 2: | |
141 | if (ppsc->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM) | |
142 | ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_ASPM; | |
143 | ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_HALT_NIC; | |
144 | break; | |
145 | ||
146 | case 3: | |
147 | ppsc->reg_rfps_level |= RT_RF_OFF_LEVL_PCI_D3; | |
148 | break; | |
149 | } | |
150 | ||
151 | /*Set HW definition to determine if it supports ASPM. */ | |
152 | switch (rtlpci->const_support_pciaspm) { | |
c7cfe38e C |
153 | case 0:{ |
154 | /*Not support ASPM. */ | |
155 | bool support_aspm = false; | |
156 | ppsc->support_aspm = support_aspm; | |
157 | break; | |
158 | } | |
159 | case 1:{ | |
160 | /*Support ASPM. */ | |
161 | bool support_aspm = true; | |
162 | bool support_backdoor = true; | |
163 | ppsc->support_aspm = support_aspm; | |
164 | ||
165 | /*if (priv->oem_id == RT_CID_TOSHIBA && | |
166 | !priv->ndis_adapter.amd_l1_patch) | |
167 | support_backdoor = false; */ | |
168 | ||
169 | ppsc->support_backdoor = support_backdoor; | |
170 | ||
171 | break; | |
172 | } | |
0c817338 LF |
173 | case 2: |
174 | /*ASPM value set by chipset. */ | |
c7cfe38e C |
175 | if (pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL) { |
176 | bool support_aspm = true; | |
177 | ppsc->support_aspm = support_aspm; | |
178 | } | |
0c817338 LF |
179 | break; |
180 | default: | |
181 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
f30d7507 | 182 | "switch case not processed\n"); |
0c817338 LF |
183 | break; |
184 | } | |
c7cfe38e C |
185 | |
186 | /* toshiba aspm issue, toshiba will set aspm selfly | |
187 | * so we should not set aspm in driver */ | |
188 | pci_read_config_byte(rtlpci->pdev, 0x80, &init_aspm); | |
189 | if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8192SE && | |
190 | init_aspm == 0x43) | |
191 | ppsc->support_aspm = false; | |
192 | } | |
193 | ||
0c817338 LF |
194 | static bool _rtl_pci_platform_switch_device_pci_aspm( |
195 | struct ieee80211_hw *hw, | |
196 | u8 value) | |
197 | { | |
198 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
c7cfe38e C |
199 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
200 | ||
201 | if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE) | |
202 | value |= 0x40; | |
0c817338 | 203 | |
0c817338 LF |
204 | pci_write_config_byte(rtlpci->pdev, 0x80, value); |
205 | ||
32473284 | 206 | return false; |
0c817338 LF |
207 | } |
208 | ||
209 | /*When we set 0x01 to enable clk request. Set 0x0 to disable clk req.*/ | |
1d73c51a | 210 | static void _rtl_pci_switch_clk_req(struct ieee80211_hw *hw, u8 value) |
0c817338 LF |
211 | { |
212 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
c7cfe38e | 213 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
0c817338 | 214 | |
0c817338 | 215 | pci_write_config_byte(rtlpci->pdev, 0x81, value); |
0c817338 | 216 | |
c7cfe38e C |
217 | if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) |
218 | udelay(100); | |
0c817338 LF |
219 | } |
220 | ||
221 | /*Disable RTL8192SE ASPM & Disable Pci Bridge ASPM*/ | |
222 | static void rtl_pci_disable_aspm(struct ieee80211_hw *hw) | |
223 | { | |
224 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
225 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); | |
226 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
227 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
228 | u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor; | |
0c817338 LF |
229 | u8 num4bytes = pcipriv->ndis_adapter.num4bytes; |
230 | /*Retrieve original configuration settings. */ | |
231 | u8 linkctrl_reg = pcipriv->ndis_adapter.linkctrl_reg; | |
232 | u16 pcibridge_linkctrlreg = pcipriv->ndis_adapter. | |
233 | pcibridge_linkctrlreg; | |
234 | u16 aspmlevel = 0; | |
32473284 | 235 | u8 tmp_u1b = 0; |
0c817338 | 236 | |
c7cfe38e C |
237 | if (!ppsc->support_aspm) |
238 | return; | |
239 | ||
0c817338 LF |
240 | if (pcibridge_vendor == PCI_BRIDGE_VENDOR_UNKNOWN) { |
241 | RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE, | |
f30d7507 | 242 | "PCI(Bridge) UNKNOWN\n"); |
0c817338 LF |
243 | |
244 | return; | |
245 | } | |
246 | ||
247 | if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) { | |
248 | RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_CLK_REQ); | |
249 | _rtl_pci_switch_clk_req(hw, 0x0); | |
250 | } | |
251 | ||
32473284 LF |
252 | /*for promising device will in L0 state after an I/O. */ |
253 | pci_read_config_byte(rtlpci->pdev, 0x80, &tmp_u1b); | |
0c817338 LF |
254 | |
255 | /*Set corresponding value. */ | |
256 | aspmlevel |= BIT(0) | BIT(1); | |
257 | linkctrl_reg &= ~aspmlevel; | |
258 | pcibridge_linkctrlreg &= ~(BIT(0) | BIT(1)); | |
259 | ||
260 | _rtl_pci_platform_switch_device_pci_aspm(hw, linkctrl_reg); | |
261 | udelay(50); | |
262 | ||
263 | /*4 Disable Pci Bridge ASPM */ | |
886e14b6 LF |
264 | pci_write_config_byte(rtlpci->pdev, (num4bytes << 2), |
265 | pcibridge_linkctrlreg); | |
0c817338 LF |
266 | |
267 | udelay(50); | |
0c817338 LF |
268 | } |
269 | ||
270 | /* | |
271 | *Enable RTL8192SE ASPM & Enable Pci Bridge ASPM for | |
272 | *power saving We should follow the sequence to enable | |
273 | *RTL8192SE first then enable Pci Bridge ASPM | |
274 | *or the system will show bluescreen. | |
275 | */ | |
276 | static void rtl_pci_enable_aspm(struct ieee80211_hw *hw) | |
277 | { | |
278 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
279 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); | |
280 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
281 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
0c817338 | 282 | u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor; |
0c817338 LF |
283 | u8 num4bytes = pcipriv->ndis_adapter.num4bytes; |
284 | u16 aspmlevel; | |
285 | u8 u_pcibridge_aspmsetting; | |
286 | u8 u_device_aspmsetting; | |
287 | ||
c7cfe38e C |
288 | if (!ppsc->support_aspm) |
289 | return; | |
290 | ||
0c817338 LF |
291 | if (pcibridge_vendor == PCI_BRIDGE_VENDOR_UNKNOWN) { |
292 | RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE, | |
f30d7507 | 293 | "PCI(Bridge) UNKNOWN\n"); |
0c817338 LF |
294 | return; |
295 | } | |
296 | ||
297 | /*4 Enable Pci Bridge ASPM */ | |
0c817338 LF |
298 | |
299 | u_pcibridge_aspmsetting = | |
300 | pcipriv->ndis_adapter.pcibridge_linkctrlreg | | |
301 | rtlpci->const_hostpci_aspm_setting; | |
302 | ||
303 | if (pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL) | |
304 | u_pcibridge_aspmsetting &= ~BIT(0); | |
305 | ||
886e14b6 LF |
306 | pci_write_config_byte(rtlpci->pdev, (num4bytes << 2), |
307 | u_pcibridge_aspmsetting); | |
0c817338 LF |
308 | |
309 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, | |
26634c4b | 310 | "PlatformEnableASPM(): Write reg[%x] = %x\n", |
f30d7507 JP |
311 | (pcipriv->ndis_adapter.pcibridge_pciehdr_offset + 0x10), |
312 | u_pcibridge_aspmsetting); | |
0c817338 LF |
313 | |
314 | udelay(50); | |
315 | ||
316 | /*Get ASPM level (with/without Clock Req) */ | |
317 | aspmlevel = rtlpci->const_devicepci_aspm_setting; | |
318 | u_device_aspmsetting = pcipriv->ndis_adapter.linkctrl_reg; | |
319 | ||
320 | /*_rtl_pci_platform_switch_device_pci_aspm(dev,*/ | |
321 | /*(priv->ndis_adapter.linkctrl_reg | ASPMLevel)); */ | |
322 | ||
323 | u_device_aspmsetting |= aspmlevel; | |
324 | ||
325 | _rtl_pci_platform_switch_device_pci_aspm(hw, u_device_aspmsetting); | |
326 | ||
327 | if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) { | |
328 | _rtl_pci_switch_clk_req(hw, (ppsc->reg_rfps_level & | |
329 | RT_RF_OFF_LEVL_CLK_REQ) ? 1 : 0); | |
330 | RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_CLK_REQ); | |
331 | } | |
c7cfe38e | 332 | udelay(100); |
0c817338 LF |
333 | } |
334 | ||
335 | static bool rtl_pci_get_amd_l1_patch(struct ieee80211_hw *hw) | |
336 | { | |
886e14b6 | 337 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
0c817338 LF |
338 | |
339 | bool status = false; | |
340 | u8 offset_e0; | |
341 | unsigned offset_e4; | |
342 | ||
886e14b6 | 343 | pci_write_config_byte(rtlpci->pdev, 0xe0, 0xa0); |
0c817338 | 344 | |
886e14b6 | 345 | pci_read_config_byte(rtlpci->pdev, 0xe0, &offset_e0); |
0c817338 LF |
346 | |
347 | if (offset_e0 == 0xA0) { | |
886e14b6 | 348 | pci_read_config_dword(rtlpci->pdev, 0xe4, &offset_e4); |
0c817338 LF |
349 | if (offset_e4 & BIT(23)) |
350 | status = true; | |
351 | } | |
352 | ||
353 | return status; | |
354 | } | |
355 | ||
26634c4b LF |
356 | static bool rtl_pci_check_buddy_priv(struct ieee80211_hw *hw, |
357 | struct rtl_priv **buddy_priv) | |
358 | { | |
359 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
360 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); | |
361 | bool find_buddy_priv = false; | |
362 | struct rtl_priv *tpriv = NULL; | |
363 | struct rtl_pci_priv *tpcipriv = NULL; | |
364 | ||
365 | if (!list_empty(&rtlpriv->glb_var->glb_priv_list)) { | |
366 | list_for_each_entry(tpriv, &rtlpriv->glb_var->glb_priv_list, | |
367 | list) { | |
368 | if (tpriv) { | |
369 | tpcipriv = (struct rtl_pci_priv *)tpriv->priv; | |
370 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, | |
371 | "pcipriv->ndis_adapter.funcnumber %x\n", | |
372 | pcipriv->ndis_adapter.funcnumber); | |
373 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, | |
374 | "tpcipriv->ndis_adapter.funcnumber %x\n", | |
375 | tpcipriv->ndis_adapter.funcnumber); | |
376 | ||
377 | if ((pcipriv->ndis_adapter.busnumber == | |
378 | tpcipriv->ndis_adapter.busnumber) && | |
379 | (pcipriv->ndis_adapter.devnumber == | |
380 | tpcipriv->ndis_adapter.devnumber) && | |
381 | (pcipriv->ndis_adapter.funcnumber != | |
382 | tpcipriv->ndis_adapter.funcnumber)) { | |
383 | find_buddy_priv = true; | |
384 | break; | |
385 | } | |
386 | } | |
387 | } | |
388 | } | |
389 | ||
390 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, | |
391 | "find_buddy_priv %d\n", find_buddy_priv); | |
392 | ||
393 | if (find_buddy_priv) | |
394 | *buddy_priv = tpriv; | |
395 | ||
396 | return find_buddy_priv; | |
397 | } | |
398 | ||
d3bb1429 | 399 | static void rtl_pci_get_linkcontrol_field(struct ieee80211_hw *hw) |
0c817338 LF |
400 | { |
401 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); | |
886e14b6 | 402 | struct rtl_pci *rtlpci = rtl_pcidev(pcipriv); |
0c817338 | 403 | u8 capabilityoffset = pcipriv->ndis_adapter.pcibridge_pciehdr_offset; |
0c817338 | 404 | u8 linkctrl_reg; |
c7cfe38e | 405 | u8 num4bbytes; |
0c817338 | 406 | |
c7cfe38e | 407 | num4bbytes = (capabilityoffset + 0x10) / 4; |
0c817338 LF |
408 | |
409 | /*Read Link Control Register */ | |
886e14b6 | 410 | pci_read_config_byte(rtlpci->pdev, (num4bbytes << 2), &linkctrl_reg); |
0c817338 LF |
411 | |
412 | pcipriv->ndis_adapter.pcibridge_linkctrlreg = linkctrl_reg; | |
413 | } | |
414 | ||
415 | static void rtl_pci_parse_configuration(struct pci_dev *pdev, | |
416 | struct ieee80211_hw *hw) | |
417 | { | |
418 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
419 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); | |
420 | ||
421 | u8 tmp; | |
332badc3 | 422 | u16 linkctrl_reg; |
0c817338 LF |
423 | |
424 | /*Link Control Register */ | |
332badc3 JL |
425 | pcie_capability_read_word(pdev, PCI_EXP_LNKCTL, &linkctrl_reg); |
426 | pcipriv->ndis_adapter.linkctrl_reg = (u8)linkctrl_reg; | |
0c817338 | 427 | |
f30d7507 JP |
428 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "Link Control Register =%x\n", |
429 | pcipriv->ndis_adapter.linkctrl_reg); | |
0c817338 LF |
430 | |
431 | pci_read_config_byte(pdev, 0x98, &tmp); | |
432 | tmp |= BIT(4); | |
433 | pci_write_config_byte(pdev, 0x98, tmp); | |
434 | ||
435 | tmp = 0x17; | |
436 | pci_write_config_byte(pdev, 0x70f, tmp); | |
437 | } | |
438 | ||
c7cfe38e | 439 | static void rtl_pci_init_aspm(struct ieee80211_hw *hw) |
0c817338 LF |
440 | { |
441 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
442 | ||
443 | _rtl_pci_update_default_setting(hw); | |
444 | ||
445 | if (ppsc->reg_rfps_level & RT_RF_PS_LEVEL_ALWAYS_ASPM) { | |
446 | /*Always enable ASPM & Clock Req. */ | |
447 | rtl_pci_enable_aspm(hw); | |
448 | RT_SET_PS_LEVEL(ppsc, RT_RF_PS_LEVEL_ALWAYS_ASPM); | |
449 | } | |
450 | ||
451 | } | |
452 | ||
0c817338 LF |
453 | static void _rtl_pci_io_handler_init(struct device *dev, |
454 | struct ieee80211_hw *hw) | |
455 | { | |
456 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
457 | ||
458 | rtlpriv->io.dev = dev; | |
459 | ||
460 | rtlpriv->io.write8_async = pci_write8_async; | |
461 | rtlpriv->io.write16_async = pci_write16_async; | |
462 | rtlpriv->io.write32_async = pci_write32_async; | |
463 | ||
464 | rtlpriv->io.read8_sync = pci_read8_sync; | |
465 | rtlpriv->io.read16_sync = pci_read16_sync; | |
466 | rtlpriv->io.read32_sync = pci_read32_sync; | |
467 | ||
468 | } | |
469 | ||
c7cfe38e C |
470 | static bool _rtl_update_earlymode_info(struct ieee80211_hw *hw, |
471 | struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc, u8 tid) | |
472 | { | |
473 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
474 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); | |
26634c4b | 475 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
c7cfe38e | 476 | struct sk_buff *next_skb; |
26634c4b | 477 | u8 additionlen = FCS_LEN; |
c7cfe38e C |
478 | |
479 | /* here open is 4, wep/tkip is 8, aes is 12*/ | |
480 | if (info->control.hw_key) | |
481 | additionlen += info->control.hw_key->icv_len; | |
482 | ||
483 | /* The most skb num is 6 */ | |
484 | tcb_desc->empkt_num = 0; | |
485 | spin_lock_bh(&rtlpriv->locks.waitq_lock); | |
486 | skb_queue_walk(&rtlpriv->mac80211.skb_waitq[tid], next_skb) { | |
487 | struct ieee80211_tx_info *next_info; | |
488 | ||
489 | next_info = IEEE80211_SKB_CB(next_skb); | |
490 | if (next_info->flags & IEEE80211_TX_CTL_AMPDU) { | |
491 | tcb_desc->empkt_len[tcb_desc->empkt_num] = | |
492 | next_skb->len + additionlen; | |
493 | tcb_desc->empkt_num++; | |
494 | } else { | |
495 | break; | |
496 | } | |
497 | ||
498 | if (skb_queue_is_last(&rtlpriv->mac80211.skb_waitq[tid], | |
499 | next_skb)) | |
500 | break; | |
501 | ||
26634c4b | 502 | if (tcb_desc->empkt_num >= rtlhal->max_earlymode_num) |
c7cfe38e C |
503 | break; |
504 | } | |
505 | spin_unlock_bh(&rtlpriv->locks.waitq_lock); | |
506 | ||
507 | return true; | |
508 | } | |
509 | ||
510 | /* just for early mode now */ | |
511 | static void _rtl_pci_tx_chk_waitq(struct ieee80211_hw *hw) | |
512 | { | |
513 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
514 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
515 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
516 | struct sk_buff *skb = NULL; | |
517 | struct ieee80211_tx_info *info = NULL; | |
26634c4b | 518 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
fb914ebf | 519 | int tid; |
c7cfe38e C |
520 | |
521 | if (!rtlpriv->rtlhal.earlymode_enable) | |
522 | return; | |
523 | ||
26634c4b LF |
524 | if (rtlpriv->dm.supp_phymode_switch && |
525 | (rtlpriv->easy_concurrent_ctl.switch_in_process || | |
526 | (rtlpriv->buddy_priv && | |
527 | rtlpriv->buddy_priv->easy_concurrent_ctl.switch_in_process))) | |
528 | return; | |
c7cfe38e C |
529 | /* we juse use em for BE/BK/VI/VO */ |
530 | for (tid = 7; tid >= 0; tid--) { | |
2a00def4 | 531 | u8 hw_queue = ac_to_hwq[rtl_tid_to_ac(tid)]; |
c7cfe38e C |
532 | struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; |
533 | while (!mac->act_scanning && | |
534 | rtlpriv->psc.rfpwr_state == ERFON) { | |
535 | struct rtl_tcb_desc tcb_desc; | |
536 | memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); | |
537 | ||
538 | spin_lock_bh(&rtlpriv->locks.waitq_lock); | |
539 | if (!skb_queue_empty(&mac->skb_waitq[tid]) && | |
26634c4b LF |
540 | (ring->entries - skb_queue_len(&ring->queue) > |
541 | rtlhal->max_earlymode_num)) { | |
c7cfe38e C |
542 | skb = skb_dequeue(&mac->skb_waitq[tid]); |
543 | } else { | |
544 | spin_unlock_bh(&rtlpriv->locks.waitq_lock); | |
545 | break; | |
546 | } | |
547 | spin_unlock_bh(&rtlpriv->locks.waitq_lock); | |
548 | ||
549 | /* Some macaddr can't do early mode. like | |
550 | * multicast/broadcast/no_qos data */ | |
551 | info = IEEE80211_SKB_CB(skb); | |
552 | if (info->flags & IEEE80211_TX_CTL_AMPDU) | |
553 | _rtl_update_earlymode_info(hw, skb, | |
554 | &tcb_desc, tid); | |
555 | ||
36323f81 | 556 | rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc); |
c7cfe38e C |
557 | } |
558 | } | |
559 | } | |
560 | ||
561 | ||
0c817338 LF |
562 | static void _rtl_pci_tx_isr(struct ieee80211_hw *hw, int prio) |
563 | { | |
564 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
565 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
566 | ||
567 | struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[prio]; | |
568 | ||
569 | while (skb_queue_len(&ring->queue)) { | |
0c817338 LF |
570 | struct sk_buff *skb; |
571 | struct ieee80211_tx_info *info; | |
c7cfe38e C |
572 | __le16 fc; |
573 | u8 tid; | |
38506ece | 574 | u8 *entry; |
0c817338 | 575 | |
38506ece LF |
576 | if (rtlpriv->use_new_trx_flow) |
577 | entry = (u8 *)(&ring->buffer_desc[ring->idx]); | |
578 | else | |
579 | entry = (u8 *)(&ring->desc[ring->idx]); | |
0c817338 | 580 | |
d0311314 TT |
581 | if (rtlpriv->cfg->ops->get_available_desc && |
582 | rtlpriv->cfg->ops->get_available_desc(hw, prio) <= 1) { | |
583 | RT_TRACE(rtlpriv, (COMP_INTR | COMP_SEND), DBG_DMESG, | |
584 | "no available desc!\n"); | |
585 | return; | |
586 | } | |
587 | ||
38506ece | 588 | if (!rtlpriv->cfg->ops->is_tx_desc_closed(hw, prio, ring->idx)) |
0c817338 LF |
589 | return; |
590 | ring->idx = (ring->idx + 1) % ring->entries; | |
591 | ||
592 | skb = __skb_dequeue(&ring->queue); | |
593 | pci_unmap_single(rtlpci->pdev, | |
d3bb1429 | 594 | rtlpriv->cfg->ops-> |
38506ece | 595 | get_desc((u8 *)entry, true, |
d3bb1429 | 596 | HW_DESC_TXBUFF_ADDR), |
0c817338 LF |
597 | skb->len, PCI_DMA_TODEVICE); |
598 | ||
c7cfe38e C |
599 | /* remove early mode header */ |
600 | if (rtlpriv->rtlhal.earlymode_enable) | |
601 | skb_pull(skb, EM_HDR_LEN); | |
602 | ||
0c817338 | 603 | RT_TRACE(rtlpriv, (COMP_INTR | COMP_SEND), DBG_TRACE, |
f30d7507 JP |
604 | "new ring->idx:%d, free: skb_queue_len:%d, free: seq:%x\n", |
605 | ring->idx, | |
606 | skb_queue_len(&ring->queue), | |
38506ece | 607 | *(u16 *)(skb->data + 22)); |
0c817338 | 608 | |
c7cfe38e C |
609 | if (prio == TXCMD_QUEUE) { |
610 | dev_kfree_skb(skb); | |
611 | goto tx_status_ok; | |
612 | ||
613 | } | |
614 | ||
615 | /* for sw LPS, just after NULL skb send out, we can | |
26634c4b LF |
616 | * sure AP knows we are sleeping, we should not let |
617 | * rf sleep | |
618 | */ | |
c7cfe38e C |
619 | fc = rtl_get_fc(skb); |
620 | if (ieee80211_is_nullfunc(fc)) { | |
621 | if (ieee80211_has_pm(fc)) { | |
9c050440 | 622 | rtlpriv->mac80211.offchan_delay = true; |
3db1cd5c | 623 | rtlpriv->psc.state_inap = true; |
c7cfe38e | 624 | } else { |
3db1cd5c | 625 | rtlpriv->psc.state_inap = false; |
c7cfe38e C |
626 | } |
627 | } | |
26634c4b LF |
628 | if (ieee80211_is_action(fc)) { |
629 | struct ieee80211_mgmt *action_frame = | |
630 | (struct ieee80211_mgmt *)skb->data; | |
631 | if (action_frame->u.action.u.ht_smps.action == | |
632 | WLAN_HT_ACTION_SMPS) { | |
633 | dev_kfree_skb(skb); | |
634 | goto tx_status_ok; | |
635 | } | |
636 | } | |
c7cfe38e C |
637 | |
638 | /* update tid tx pkt num */ | |
639 | tid = rtl_get_tid(skb); | |
640 | if (tid <= 7) | |
641 | rtlpriv->link_info.tidtx_inperiod[tid]++; | |
642 | ||
0c817338 LF |
643 | info = IEEE80211_SKB_CB(skb); |
644 | ieee80211_tx_info_clear_status(info); | |
645 | ||
646 | info->flags |= IEEE80211_TX_STAT_ACK; | |
647 | /*info->status.rates[0].count = 1; */ | |
648 | ||
649 | ieee80211_tx_status_irqsafe(hw, skb); | |
650 | ||
d0311314 | 651 | if ((ring->entries - skb_queue_len(&ring->queue)) <= 4) { |
0c817338 | 652 | |
d0311314 | 653 | RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, |
4f4378de | 654 | "more desc left, wake skb_queue@%d, ring->idx = %d, skb_queue_len = 0x%x\n", |
f30d7507 JP |
655 | prio, ring->idx, |
656 | skb_queue_len(&ring->queue)); | |
0c817338 LF |
657 | |
658 | ieee80211_wake_queue(hw, | |
659 | skb_get_queue_mapping | |
660 | (skb)); | |
661 | } | |
c7cfe38e | 662 | tx_status_ok: |
0c817338 LF |
663 | skb = NULL; |
664 | } | |
665 | ||
666 | if (((rtlpriv->link_info.num_rx_inperiod + | |
667 | rtlpriv->link_info.num_tx_inperiod) > 8) || | |
668 | (rtlpriv->link_info.num_rx_inperiod > 2)) { | |
a269913c LF |
669 | rtlpriv->enter_ps = false; |
670 | schedule_work(&rtlpriv->works.lps_change_work); | |
0c817338 LF |
671 | } |
672 | } | |
673 | ||
38506ece | 674 | static int _rtl_pci_init_one_rxdesc(struct ieee80211_hw *hw, |
e9538cf4 LF |
675 | struct sk_buff *new_skb, u8 *entry, |
676 | int rxring_idx, int desc_idx) | |
fd854772 MM |
677 | { |
678 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
38506ece LF |
679 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
680 | u32 bufferaddress; | |
681 | u8 tmp_one = 1; | |
682 | struct sk_buff *skb; | |
683 | ||
e9538cf4 LF |
684 | if (likely(new_skb)) { |
685 | skb = new_skb; | |
686 | goto remap; | |
687 | } | |
38506ece LF |
688 | skb = dev_alloc_skb(rtlpci->rxbuffersize); |
689 | if (!skb) | |
690 | return 0; | |
38506ece | 691 | |
e9538cf4 | 692 | remap: |
38506ece LF |
693 | /* just set skb->cb to mapping addr for pci_unmap_single use */ |
694 | *((dma_addr_t *)skb->cb) = | |
695 | pci_map_single(rtlpci->pdev, skb_tail_pointer(skb), | |
696 | rtlpci->rxbuffersize, PCI_DMA_FROMDEVICE); | |
697 | bufferaddress = *((dma_addr_t *)skb->cb); | |
698 | if (pci_dma_mapping_error(rtlpci->pdev, bufferaddress)) | |
699 | return 0; | |
e9538cf4 | 700 | rtlpci->rx_ring[rxring_idx].rx_buf[desc_idx] = skb; |
38506ece LF |
701 | if (rtlpriv->use_new_trx_flow) { |
702 | rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false, | |
703 | HW_DESC_RX_PREPARE, | |
704 | (u8 *)&bufferaddress); | |
fd854772 | 705 | } else { |
38506ece LF |
706 | rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false, |
707 | HW_DESC_RXBUFF_ADDR, | |
708 | (u8 *)&bufferaddress); | |
709 | rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false, | |
710 | HW_DESC_RXPKT_LEN, | |
711 | (u8 *)&rtlpci->rxbuffersize); | |
712 | rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false, | |
713 | HW_DESC_RXOWN, | |
714 | (u8 *)&tmp_one); | |
fd854772 | 715 | } |
38506ece LF |
716 | return 1; |
717 | } | |
fd854772 | 718 | |
38506ece LF |
719 | /* inorder to receive 8K AMSDU we have set skb to |
720 | * 9100bytes in init rx ring, but if this packet is | |
721 | * not a AMSDU, this large packet will be sent to | |
722 | * TCP/IP directly, this cause big packet ping fail | |
723 | * like: "ping -s 65507", so here we will realloc skb | |
724 | * based on the true size of packet, Mac80211 | |
725 | * Probably will do it better, but does not yet. | |
726 | * | |
727 | * Some platform will fail when alloc skb sometimes. | |
728 | * in this condition, we will send the old skb to | |
729 | * mac80211 directly, this will not cause any other | |
730 | * issues, but only this packet will be lost by TCP/IP | |
731 | */ | |
732 | static void _rtl_pci_rx_to_mac80211(struct ieee80211_hw *hw, | |
733 | struct sk_buff *skb, | |
734 | struct ieee80211_rx_status rx_status) | |
735 | { | |
736 | if (unlikely(!rtl_action_proc(hw, skb, false))) { | |
737 | dev_kfree_skb_any(skb); | |
738 | } else { | |
739 | struct sk_buff *uskb = NULL; | |
740 | u8 *pdata; | |
741 | ||
742 | uskb = dev_alloc_skb(skb->len + 128); | |
743 | if (likely(uskb)) { | |
744 | memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status, | |
745 | sizeof(rx_status)); | |
746 | pdata = (u8 *)skb_put(uskb, skb->len); | |
747 | memcpy(pdata, skb->data, skb->len); | |
748 | dev_kfree_skb_any(skb); | |
749 | ieee80211_rx_irqsafe(hw, uskb); | |
750 | } else { | |
751 | ieee80211_rx_irqsafe(hw, skb); | |
752 | } | |
fd854772 | 753 | } |
38506ece | 754 | } |
fd854772 | 755 | |
38506ece LF |
756 | /*hsisr interrupt handler*/ |
757 | static void _rtl_pci_hs_interrupt(struct ieee80211_hw *hw) | |
758 | { | |
759 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
760 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
fd854772 | 761 | |
38506ece LF |
762 | rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[MAC_HSISR], |
763 | rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[MAC_HSISR]) | | |
764 | rtlpci->sys_irq_mask); | |
fd854772 MM |
765 | } |
766 | ||
0c817338 LF |
767 | static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) |
768 | { | |
769 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
770 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
38506ece | 771 | int rxring_idx = RTL_PCI_RX_MPDU_QUEUE; |
0c817338 LF |
772 | struct ieee80211_rx_status rx_status = { 0 }; |
773 | unsigned int count = rtlpci->rxringcount; | |
774 | u8 own; | |
775 | u8 tmp_one; | |
38506ece LF |
776 | bool unicast = false; |
777 | u8 hw_queue = 0; | |
778 | unsigned int rx_remained_cnt; | |
0c817338 LF |
779 | struct rtl_stats stats = { |
780 | .signal = 0, | |
0c817338 LF |
781 | .rate = 0, |
782 | }; | |
783 | ||
784 | /*RX NORMAL PKT */ | |
785 | while (count--) { | |
38506ece LF |
786 | struct ieee80211_hdr *hdr; |
787 | __le16 fc; | |
788 | u16 len; | |
789 | /*rx buffer descriptor */ | |
790 | struct rtl_rx_buffer_desc *buffer_desc = NULL; | |
791 | /*if use new trx flow, it means wifi info */ | |
792 | struct rtl_rx_desc *pdesc = NULL; | |
0c817338 | 793 | /*rx pkt */ |
38506ece LF |
794 | struct sk_buff *skb = rtlpci->rx_ring[rxring_idx].rx_buf[ |
795 | rtlpci->rx_ring[rxring_idx].idx]; | |
e9538cf4 | 796 | struct sk_buff *new_skb; |
38506ece LF |
797 | |
798 | if (rtlpriv->use_new_trx_flow) { | |
799 | rx_remained_cnt = | |
800 | rtlpriv->cfg->ops->rx_desc_buff_remained_cnt(hw, | |
801 | hw_queue); | |
d0311314 | 802 | if (rx_remained_cnt == 0) |
38506ece LF |
803 | return; |
804 | ||
805 | } else { /* rx descriptor */ | |
806 | pdesc = &rtlpci->rx_ring[rxring_idx].desc[ | |
807 | rtlpci->rx_ring[rxring_idx].idx]; | |
808 | ||
809 | own = (u8)rtlpriv->cfg->ops->get_desc((u8 *)pdesc, | |
810 | false, | |
811 | HW_DESC_OWN); | |
812 | if (own) /* wait data to be filled by hardware */ | |
813 | return; | |
814 | } | |
6633d649 | 815 | |
38506ece LF |
816 | /* Reaching this point means: data is filled already |
817 | * AAAAAAttention !!! | |
818 | * We can NOT access 'skb' before 'pci_unmap_single' | |
819 | */ | |
820 | pci_unmap_single(rtlpci->pdev, *((dma_addr_t *)skb->cb), | |
821 | rtlpci->rxbuffersize, PCI_DMA_FROMDEVICE); | |
822 | ||
e9538cf4 LF |
823 | /* get a new skb - if fail, old one will be reused */ |
824 | new_skb = dev_alloc_skb(rtlpci->rxbuffersize); | |
aeb2d2a4 | 825 | if (unlikely(!new_skb)) |
e9538cf4 | 826 | goto no_new; |
38506ece LF |
827 | if (rtlpriv->use_new_trx_flow) { |
828 | buffer_desc = | |
829 | &rtlpci->rx_ring[rxring_idx].buffer_desc | |
830 | [rtlpci->rx_ring[rxring_idx].idx]; | |
831 | /*means rx wifi info*/ | |
832 | pdesc = (struct rtl_rx_desc *)skb->data; | |
833 | } | |
834 | memset(&rx_status , 0 , sizeof(rx_status)); | |
2c333366 | 835 | rtlpriv->cfg->ops->query_rx_desc(hw, &stats, |
38506ece | 836 | &rx_status, (u8 *)pdesc, skb); |
2c333366 | 837 | |
38506ece LF |
838 | if (rtlpriv->use_new_trx_flow) |
839 | rtlpriv->cfg->ops->rx_check_dma_ok(hw, | |
840 | (u8 *)buffer_desc, | |
841 | hw_queue); | |
8db8ddf1 | 842 | |
38506ece LF |
843 | len = rtlpriv->cfg->ops->get_desc((u8 *)pdesc, false, |
844 | HW_DESC_RXPKT_LEN); | |
2c333366 | 845 | |
38506ece LF |
846 | if (skb->end - skb->tail > len) { |
847 | skb_put(skb, len); | |
848 | if (rtlpriv->use_new_trx_flow) | |
849 | skb_reserve(skb, stats.rx_drvinfo_size + | |
850 | stats.rx_bufshift + 24); | |
851 | else | |
852 | skb_reserve(skb, stats.rx_drvinfo_size + | |
853 | stats.rx_bufshift); | |
38506ece LF |
854 | } else { |
855 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, | |
856 | "skb->end - skb->tail = %d, len is %d\n", | |
857 | skb->end - skb->tail, len); | |
d0311314 TT |
858 | dev_kfree_skb_any(skb); |
859 | goto new_trx_end; | |
38506ece LF |
860 | } |
861 | /* handle command packet here */ | |
d1cd5ba4 LF |
862 | if (rtlpriv->cfg->ops->rx_command_packet && |
863 | rtlpriv->cfg->ops->rx_command_packet(hw, stats, skb)) { | |
38506ece | 864 | dev_kfree_skb_any(skb); |
d0311314 | 865 | goto new_trx_end; |
38506ece | 866 | } |
2c333366 MM |
867 | |
868 | /* | |
869 | * NOTICE This can not be use for mac80211, | |
870 | * this is done in mac80211 code, | |
38506ece | 871 | * if done here sec DHCP will fail |
2c333366 MM |
872 | * skb_trim(skb, skb->len - 4); |
873 | */ | |
874 | ||
38506ece LF |
875 | hdr = rtl_get_hdr(skb); |
876 | fc = rtl_get_fc(skb); | |
877 | ||
878 | if (!stats.crc && !stats.hwerror) { | |
879 | memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, | |
880 | sizeof(rx_status)); | |
881 | ||
882 | if (is_broadcast_ether_addr(hdr->addr1)) { | |
883 | ;/*TODO*/ | |
884 | } else if (is_multicast_ether_addr(hdr->addr1)) { | |
885 | ;/*TODO*/ | |
886 | } else { | |
887 | unicast = true; | |
888 | rtlpriv->stats.rxbytesunicast += skb->len; | |
889 | } | |
890 | rtl_is_special_data(hw, skb, false); | |
0c817338 | 891 | |
38506ece LF |
892 | if (ieee80211_is_data(fc)) { |
893 | rtlpriv->cfg->ops->led_control(hw, LED_CTL_RX); | |
894 | if (unicast) | |
895 | rtlpriv->link_info.num_rx_inperiod++; | |
896 | } | |
897 | /* static bcn for roaming */ | |
898 | rtl_beacon_statistic(hw, skb); | |
899 | rtl_p2p_info(hw, (void *)skb->data, skb->len); | |
900 | /* for sw lps */ | |
901 | rtl_swlps_beacon(hw, (void *)skb->data, skb->len); | |
902 | rtl_recognize_peer(hw, (void *)skb->data, skb->len); | |
903 | if ((rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) && | |
904 | (rtlpriv->rtlhal.current_bandtype == | |
905 | BAND_ON_2_4G) && | |
906 | (ieee80211_is_beacon(fc) || | |
907 | ieee80211_is_probe_resp(fc))) { | |
908 | dev_kfree_skb_any(skb); | |
909 | } else { | |
910 | _rtl_pci_rx_to_mac80211(hw, skb, rx_status); | |
911 | } | |
912 | } else { | |
913 | dev_kfree_skb_any(skb); | |
914 | } | |
d0311314 | 915 | new_trx_end: |
38506ece LF |
916 | if (rtlpriv->use_new_trx_flow) { |
917 | rtlpci->rx_ring[hw_queue].next_rx_rp += 1; | |
918 | rtlpci->rx_ring[hw_queue].next_rx_rp %= | |
919 | RTL_PCI_MAX_RX_COUNT; | |
920 | ||
921 | rx_remained_cnt--; | |
922 | rtl_write_word(rtlpriv, 0x3B4, | |
923 | rtlpci->rx_ring[hw_queue].next_rx_rp); | |
924 | } | |
2c333366 | 925 | if (((rtlpriv->link_info.num_rx_inperiod + |
a269913c LF |
926 | rtlpriv->link_info.num_tx_inperiod) > 8) || |
927 | (rtlpriv->link_info.num_rx_inperiod > 2)) { | |
928 | rtlpriv->enter_ps = false; | |
929 | schedule_work(&rtlpriv->works.lps_change_work); | |
2c333366 | 930 | } |
e9538cf4 LF |
931 | skb = new_skb; |
932 | no_new: | |
38506ece | 933 | if (rtlpriv->use_new_trx_flow) { |
e9538cf4 | 934 | _rtl_pci_init_one_rxdesc(hw, skb, (u8 *)buffer_desc, |
38506ece | 935 | rxring_idx, |
e9538cf4 | 936 | rtlpci->rx_ring[rxring_idx].idx); |
38506ece | 937 | } else { |
e9538cf4 LF |
938 | _rtl_pci_init_one_rxdesc(hw, skb, (u8 *)pdesc, |
939 | rxring_idx, | |
38506ece | 940 | rtlpci->rx_ring[rxring_idx].idx); |
38506ece LF |
941 | if (rtlpci->rx_ring[rxring_idx].idx == |
942 | rtlpci->rxringcount - 1) | |
943 | rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, | |
944 | false, | |
945 | HW_DESC_RXERO, | |
946 | (u8 *)&tmp_one); | |
947 | } | |
948 | rtlpci->rx_ring[rxring_idx].idx = | |
949 | (rtlpci->rx_ring[rxring_idx].idx + 1) % | |
950 | rtlpci->rxringcount; | |
0c817338 | 951 | } |
0c817338 LF |
952 | } |
953 | ||
0c817338 LF |
954 | static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id) |
955 | { | |
956 | struct ieee80211_hw *hw = dev_id; | |
38506ece | 957 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
0c817338 | 958 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
c7cfe38e | 959 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); |
0c817338 LF |
960 | unsigned long flags; |
961 | u32 inta = 0; | |
962 | u32 intb = 0; | |
de2e56ce | 963 | irqreturn_t ret = IRQ_HANDLED; |
0c817338 | 964 | |
38506ece LF |
965 | if (rtlpci->irq_enabled == 0) |
966 | return ret; | |
967 | ||
968 | spin_lock_irqsave(&rtlpriv->locks.irq_th_lock , flags); | |
969 | rtlpriv->cfg->ops->disable_interrupt(hw); | |
0c817338 LF |
970 | |
971 | /*read ISR: 4/8bytes */ | |
972 | rtlpriv->cfg->ops->interrupt_recognized(hw, &inta, &intb); | |
973 | ||
974 | /*Shared IRQ or HW disappared */ | |
0529c6b8 | 975 | if (!inta || inta == 0xffff) |
0c817338 LF |
976 | goto done; |
977 | ||
978 | /*<1> beacon related */ | |
979 | if (inta & rtlpriv->cfg->maps[RTL_IMR_TBDOK]) { | |
980 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, | |
f30d7507 | 981 | "beacon ok interrupt!\n"); |
0c817338 LF |
982 | } |
983 | ||
984 | if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_TBDER])) { | |
985 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, | |
f30d7507 | 986 | "beacon err interrupt!\n"); |
0c817338 LF |
987 | } |
988 | ||
989 | if (inta & rtlpriv->cfg->maps[RTL_IMR_BDOK]) { | |
f30d7507 | 990 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, "beacon interrupt!\n"); |
0c817338 LF |
991 | } |
992 | ||
e6deaf81 | 993 | if (inta & rtlpriv->cfg->maps[RTL_IMR_BCNINT]) { |
0c817338 | 994 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, |
f30d7507 | 995 | "prepare beacon for interrupt!\n"); |
0c817338 LF |
996 | tasklet_schedule(&rtlpriv->works.irq_prepare_bcn_tasklet); |
997 | } | |
998 | ||
38506ece LF |
999 | /*<2> Tx related */ |
1000 | if (unlikely(intb & rtlpriv->cfg->maps[RTL_IMR_TXFOVW])) | |
f30d7507 | 1001 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, "IMR_TXFOVW!\n"); |
0c817338 LF |
1002 | |
1003 | if (inta & rtlpriv->cfg->maps[RTL_IMR_MGNTDOK]) { | |
1004 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, | |
f30d7507 | 1005 | "Manage ok interrupt!\n"); |
0c817338 LF |
1006 | _rtl_pci_tx_isr(hw, MGNT_QUEUE); |
1007 | } | |
1008 | ||
1009 | if (inta & rtlpriv->cfg->maps[RTL_IMR_HIGHDOK]) { | |
1010 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, | |
f30d7507 | 1011 | "HIGH_QUEUE ok interrupt!\n"); |
0c817338 LF |
1012 | _rtl_pci_tx_isr(hw, HIGH_QUEUE); |
1013 | } | |
1014 | ||
1015 | if (inta & rtlpriv->cfg->maps[RTL_IMR_BKDOK]) { | |
1016 | rtlpriv->link_info.num_tx_inperiod++; | |
1017 | ||
1018 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, | |
f30d7507 | 1019 | "BK Tx OK interrupt!\n"); |
0c817338 LF |
1020 | _rtl_pci_tx_isr(hw, BK_QUEUE); |
1021 | } | |
1022 | ||
1023 | if (inta & rtlpriv->cfg->maps[RTL_IMR_BEDOK]) { | |
1024 | rtlpriv->link_info.num_tx_inperiod++; | |
1025 | ||
1026 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, | |
f30d7507 | 1027 | "BE TX OK interrupt!\n"); |
0c817338 LF |
1028 | _rtl_pci_tx_isr(hw, BE_QUEUE); |
1029 | } | |
1030 | ||
1031 | if (inta & rtlpriv->cfg->maps[RTL_IMR_VIDOK]) { | |
1032 | rtlpriv->link_info.num_tx_inperiod++; | |
1033 | ||
1034 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, | |
f30d7507 | 1035 | "VI TX OK interrupt!\n"); |
0c817338 LF |
1036 | _rtl_pci_tx_isr(hw, VI_QUEUE); |
1037 | } | |
1038 | ||
1039 | if (inta & rtlpriv->cfg->maps[RTL_IMR_VODOK]) { | |
1040 | rtlpriv->link_info.num_tx_inperiod++; | |
1041 | ||
1042 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, | |
f30d7507 | 1043 | "Vo TX OK interrupt!\n"); |
0c817338 LF |
1044 | _rtl_pci_tx_isr(hw, VO_QUEUE); |
1045 | } | |
1046 | ||
c7cfe38e C |
1047 | if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) { |
1048 | if (inta & rtlpriv->cfg->maps[RTL_IMR_COMDOK]) { | |
1049 | rtlpriv->link_info.num_tx_inperiod++; | |
1050 | ||
1051 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, | |
f30d7507 | 1052 | "CMD TX OK interrupt!\n"); |
c7cfe38e C |
1053 | _rtl_pci_tx_isr(hw, TXCMD_QUEUE); |
1054 | } | |
1055 | } | |
1056 | ||
38506ece | 1057 | /*<3> Rx related */ |
0c817338 | 1058 | if (inta & rtlpriv->cfg->maps[RTL_IMR_ROK]) { |
f30d7507 | 1059 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, "Rx ok interrupt!\n"); |
c7cfe38e | 1060 | _rtl_pci_rx_interrupt(hw); |
0c817338 LF |
1061 | } |
1062 | ||
1063 | if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_RDU])) { | |
1064 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, | |
f30d7507 | 1065 | "rx descriptor unavailable!\n"); |
c7cfe38e | 1066 | _rtl_pci_rx_interrupt(hw); |
0c817338 LF |
1067 | } |
1068 | ||
38506ece | 1069 | if (unlikely(intb & rtlpriv->cfg->maps[RTL_IMR_RXFOVW])) { |
f30d7507 | 1070 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, "rx overflow !\n"); |
c7cfe38e | 1071 | _rtl_pci_rx_interrupt(hw); |
0c817338 LF |
1072 | } |
1073 | ||
38506ece | 1074 | /*<4> fw related*/ |
26634c4b LF |
1075 | if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723AE) { |
1076 | if (inta & rtlpriv->cfg->maps[RTL_IMR_C2HCMD]) { | |
1077 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, | |
1078 | "firmware interrupt!\n"); | |
1079 | queue_delayed_work(rtlpriv->works.rtl_wq, | |
1080 | &rtlpriv->works.fwevt_wq, 0); | |
1081 | } | |
1082 | } | |
1083 | ||
38506ece LF |
1084 | /*<5> hsisr related*/ |
1085 | /* Only 8188EE & 8723BE Supported. | |
1086 | * If Other ICs Come in, System will corrupt, | |
1087 | * because maps[RTL_IMR_HSISR_IND] & maps[MAC_HSISR] | |
1088 | * are not initialized | |
1089 | */ | |
1090 | if (rtlhal->hw_type == HARDWARE_TYPE_RTL8188EE || | |
1091 | rtlhal->hw_type == HARDWARE_TYPE_RTL8723BE) { | |
1092 | if (unlikely(inta & rtlpriv->cfg->maps[RTL_IMR_HSISR_IND])) { | |
1093 | RT_TRACE(rtlpriv, COMP_INTR, DBG_TRACE, | |
1094 | "hsisr interrupt!\n"); | |
1095 | _rtl_pci_hs_interrupt(hw); | |
1096 | } | |
1097 | } | |
1098 | ||
c7cfe38e C |
1099 | if (rtlpriv->rtlhal.earlymode_enable) |
1100 | tasklet_schedule(&rtlpriv->works.irq_tasklet); | |
1101 | ||
0c817338 | 1102 | done: |
38506ece | 1103 | rtlpriv->cfg->ops->enable_interrupt(hw); |
0c817338 | 1104 | spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); |
de2e56ce | 1105 | return ret; |
0c817338 LF |
1106 | } |
1107 | ||
1108 | static void _rtl_pci_irq_tasklet(struct ieee80211_hw *hw) | |
1109 | { | |
c7cfe38e | 1110 | _rtl_pci_tx_chk_waitq(hw); |
0c817338 LF |
1111 | } |
1112 | ||
1113 | static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw) | |
1114 | { | |
1115 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1116 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
1117 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
c7cfe38e | 1118 | struct rtl8192_tx_ring *ring = NULL; |
0c817338 LF |
1119 | struct ieee80211_hdr *hdr = NULL; |
1120 | struct ieee80211_tx_info *info = NULL; | |
1121 | struct sk_buff *pskb = NULL; | |
1122 | struct rtl_tx_desc *pdesc = NULL; | |
c7cfe38e | 1123 | struct rtl_tcb_desc tcb_desc; |
f3355dd9 LF |
1124 | /*This is for new trx flow*/ |
1125 | struct rtl_tx_buffer_desc *pbuffer_desc = NULL; | |
0c817338 | 1126 | u8 temp_one = 1; |
be0b5e63 | 1127 | u8 *entry; |
0c817338 | 1128 | |
c7cfe38e | 1129 | memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); |
0c817338 LF |
1130 | ring = &rtlpci->tx_ring[BEACON_QUEUE]; |
1131 | pskb = __skb_dequeue(&ring->queue); | |
be0b5e63 LF |
1132 | if (rtlpriv->use_new_trx_flow) |
1133 | entry = (u8 *)(&ring->buffer_desc[ring->idx]); | |
1134 | else | |
1135 | entry = (u8 *)(&ring->desc[ring->idx]); | |
1136 | if (pskb) { | |
1137 | pci_unmap_single(rtlpci->pdev, | |
1138 | rtlpriv->cfg->ops->get_desc( | |
1139 | (u8 *)entry, true, HW_DESC_TXBUFF_ADDR), | |
1140 | pskb->len, PCI_DMA_TODEVICE); | |
0c817338 | 1141 | kfree_skb(pskb); |
be0b5e63 | 1142 | } |
0c817338 LF |
1143 | |
1144 | /*NB: the beacon data buffer must be 32-bit aligned. */ | |
1145 | pskb = ieee80211_beacon_get(hw, mac->vif); | |
1146 | if (pskb == NULL) | |
1147 | return; | |
c7cfe38e | 1148 | hdr = rtl_get_hdr(pskb); |
0c817338 | 1149 | info = IEEE80211_SKB_CB(pskb); |
0c817338 | 1150 | pdesc = &ring->desc[0]; |
38506ece LF |
1151 | if (rtlpriv->use_new_trx_flow) |
1152 | pbuffer_desc = &ring->buffer_desc[0]; | |
1153 | ||
1154 | rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc, | |
f3355dd9 LF |
1155 | (u8 *)pbuffer_desc, info, NULL, pskb, |
1156 | BEACON_QUEUE, &tcb_desc); | |
0c817338 LF |
1157 | |
1158 | __skb_queue_tail(&ring->queue, pskb); | |
1159 | ||
fb6eaf2c LF |
1160 | if (rtlpriv->use_new_trx_flow) { |
1161 | temp_one = 4; | |
1162 | rtlpriv->cfg->ops->set_desc(hw, (u8 *)pbuffer_desc, true, | |
1163 | HW_DESC_OWN, (u8 *)&temp_one); | |
1164 | } else { | |
1165 | rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, true, HW_DESC_OWN, | |
1166 | &temp_one); | |
1167 | } | |
0c817338 LF |
1168 | return; |
1169 | } | |
1170 | ||
1171 | static void _rtl_pci_init_trx_var(struct ieee80211_hw *hw) | |
1172 | { | |
1173 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
38506ece LF |
1174 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
1175 | struct rtl_hal *rtlhal = rtl_hal(rtlpriv); | |
0c817338 | 1176 | u8 i; |
38506ece LF |
1177 | u16 desc_num; |
1178 | ||
1179 | if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192EE) | |
1180 | desc_num = TX_DESC_NUM_92E; | |
1181 | else | |
1182 | desc_num = RT_TXDESC_NUM; | |
0c817338 LF |
1183 | |
1184 | for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) | |
38506ece | 1185 | rtlpci->txringcount[i] = desc_num; |
0c817338 LF |
1186 | |
1187 | /* | |
1188 | *we just alloc 2 desc for beacon queue, | |
1189 | *because we just need first desc in hw beacon. | |
1190 | */ | |
1191 | rtlpci->txringcount[BEACON_QUEUE] = 2; | |
1192 | ||
38506ece | 1193 | /*BE queue need more descriptor for performance |
0c817338 LF |
1194 | *consideration or, No more tx desc will happen, |
1195 | *and may cause mac80211 mem leakage. | |
1196 | */ | |
38506ece LF |
1197 | if (!rtl_priv(hw)->use_new_trx_flow) |
1198 | rtlpci->txringcount[BE_QUEUE] = RT_TXDESC_NUM_BE_QUEUE; | |
0c817338 LF |
1199 | |
1200 | rtlpci->rxbuffersize = 9100; /*2048/1024; */ | |
1201 | rtlpci->rxringcount = RTL_PCI_MAX_RX_COUNT; /*64; */ | |
1202 | } | |
1203 | ||
1204 | static void _rtl_pci_init_struct(struct ieee80211_hw *hw, | |
1205 | struct pci_dev *pdev) | |
1206 | { | |
1207 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1208 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
1209 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
1210 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
0c817338 LF |
1211 | |
1212 | rtlpci->up_first_time = true; | |
1213 | rtlpci->being_init_adapter = false; | |
1214 | ||
1215 | rtlhal->hw = hw; | |
1216 | rtlpci->pdev = pdev; | |
1217 | ||
0c817338 LF |
1218 | /*Tx/Rx related var */ |
1219 | _rtl_pci_init_trx_var(hw); | |
1220 | ||
c7cfe38e | 1221 | /*IBSS*/ mac->beacon_interval = 100; |
0c817338 | 1222 | |
c7cfe38e C |
1223 | /*AMPDU*/ |
1224 | mac->min_space_cfg = 0; | |
0c817338 LF |
1225 | mac->max_mss_density = 0; |
1226 | /*set sane AMPDU defaults */ | |
1227 | mac->current_ampdu_density = 7; | |
1228 | mac->current_ampdu_factor = 3; | |
1229 | ||
c7cfe38e | 1230 | /*QOS*/ |
2cddad3c | 1231 | rtlpci->acm_method = EACMWAY2_SW; |
0c817338 LF |
1232 | |
1233 | /*task */ | |
1234 | tasklet_init(&rtlpriv->works.irq_tasklet, | |
1235 | (void (*)(unsigned long))_rtl_pci_irq_tasklet, | |
1236 | (unsigned long)hw); | |
1237 | tasklet_init(&rtlpriv->works.irq_prepare_bcn_tasklet, | |
1238 | (void (*)(unsigned long))_rtl_pci_prepare_bcn_tasklet, | |
1239 | (unsigned long)hw); | |
a269913c LF |
1240 | INIT_WORK(&rtlpriv->works.lps_change_work, |
1241 | rtl_lps_change_work_callback); | |
0c817338 LF |
1242 | } |
1243 | ||
1244 | static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw, | |
1245 | unsigned int prio, unsigned int entries) | |
1246 | { | |
1247 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
1248 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
38506ece LF |
1249 | struct rtl_tx_buffer_desc *buffer_desc; |
1250 | struct rtl_tx_desc *desc; | |
1251 | dma_addr_t buffer_desc_dma, desc_dma; | |
0c817338 LF |
1252 | u32 nextdescaddress; |
1253 | int i; | |
1254 | ||
38506ece LF |
1255 | /* alloc tx buffer desc for new trx flow*/ |
1256 | if (rtlpriv->use_new_trx_flow) { | |
1257 | buffer_desc = | |
1258 | pci_zalloc_consistent(rtlpci->pdev, | |
1259 | sizeof(*buffer_desc) * entries, | |
1260 | &buffer_desc_dma); | |
1261 | ||
1262 | if (!buffer_desc || (unsigned long)buffer_desc & 0xFF) { | |
1263 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
1264 | "Cannot allocate TX ring (prio = %d)\n", | |
1265 | prio); | |
1266 | return -ENOMEM; | |
1267 | } | |
1268 | ||
1269 | rtlpci->tx_ring[prio].buffer_desc = buffer_desc; | |
1270 | rtlpci->tx_ring[prio].buffer_desc_dma = buffer_desc_dma; | |
1271 | ||
1272 | rtlpci->tx_ring[prio].cur_tx_rp = 0; | |
1273 | rtlpci->tx_ring[prio].cur_tx_wp = 0; | |
1274 | rtlpci->tx_ring[prio].avl_desc = entries; | |
1275 | } | |
1276 | ||
1277 | /* alloc dma for this ring */ | |
1278 | desc = pci_zalloc_consistent(rtlpci->pdev, | |
1279 | sizeof(*desc) * entries, &desc_dma); | |
1280 | ||
1281 | if (!desc || (unsigned long)desc & 0xFF) { | |
0c817338 | 1282 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, |
f30d7507 | 1283 | "Cannot allocate TX ring (prio = %d)\n", prio); |
0c817338 LF |
1284 | return -ENOMEM; |
1285 | } | |
1286 | ||
38506ece LF |
1287 | rtlpci->tx_ring[prio].desc = desc; |
1288 | rtlpci->tx_ring[prio].dma = desc_dma; | |
1289 | ||
0c817338 LF |
1290 | rtlpci->tx_ring[prio].idx = 0; |
1291 | rtlpci->tx_ring[prio].entries = entries; | |
1292 | skb_queue_head_init(&rtlpci->tx_ring[prio].queue); | |
1293 | ||
f30d7507 | 1294 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "queue:%d, ring_addr:%p\n", |
38506ece LF |
1295 | prio, desc); |
1296 | ||
1297 | /* init every desc in this ring */ | |
1298 | if (!rtlpriv->use_new_trx_flow) { | |
1299 | for (i = 0; i < entries; i++) { | |
1300 | nextdescaddress = (u32)desc_dma + | |
1301 | ((i + 1) % entries) * | |
1302 | sizeof(*desc); | |
1303 | ||
1304 | rtlpriv->cfg->ops->set_desc(hw, (u8 *)&desc[i], | |
1305 | true, | |
1306 | HW_DESC_TX_NEXTDESC_ADDR, | |
1307 | (u8 *)&nextdescaddress); | |
1308 | } | |
0c817338 | 1309 | } |
0c817338 LF |
1310 | return 0; |
1311 | } | |
1312 | ||
38506ece | 1313 | static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw, int rxring_idx) |
0c817338 LF |
1314 | { |
1315 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
1316 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
38506ece | 1317 | int i; |
0c817338 | 1318 | |
38506ece LF |
1319 | if (rtlpriv->use_new_trx_flow) { |
1320 | struct rtl_rx_buffer_desc *entry = NULL; | |
1321 | /* alloc dma for this ring */ | |
1322 | rtlpci->rx_ring[rxring_idx].buffer_desc = | |
1323 | pci_zalloc_consistent(rtlpci->pdev, | |
1324 | sizeof(*rtlpci->rx_ring[rxring_idx]. | |
1325 | buffer_desc) * | |
1326 | rtlpci->rxringcount, | |
1327 | &rtlpci->rx_ring[rxring_idx].dma); | |
1328 | if (!rtlpci->rx_ring[rxring_idx].buffer_desc || | |
1329 | (ulong)rtlpci->rx_ring[rxring_idx].buffer_desc & 0xFF) { | |
0c817338 | 1330 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, |
f30d7507 | 1331 | "Cannot allocate RX ring\n"); |
0c817338 LF |
1332 | return -ENOMEM; |
1333 | } | |
1334 | ||
38506ece LF |
1335 | /* init every desc in this ring */ |
1336 | rtlpci->rx_ring[rxring_idx].idx = 0; | |
1337 | for (i = 0; i < rtlpci->rxringcount; i++) { | |
1338 | entry = &rtlpci->rx_ring[rxring_idx].buffer_desc[i]; | |
e9538cf4 | 1339 | if (!_rtl_pci_init_one_rxdesc(hw, NULL, (u8 *)entry, |
38506ece LF |
1340 | rxring_idx, i)) |
1341 | return -ENOMEM; | |
1342 | } | |
1343 | } else { | |
1344 | struct rtl_rx_desc *entry = NULL; | |
1345 | u8 tmp_one = 1; | |
1346 | /* alloc dma for this ring */ | |
1347 | rtlpci->rx_ring[rxring_idx].desc = | |
1348 | pci_zalloc_consistent(rtlpci->pdev, | |
1349 | sizeof(*rtlpci->rx_ring[rxring_idx]. | |
1350 | desc) * rtlpci->rxringcount, | |
1351 | &rtlpci->rx_ring[rxring_idx].dma); | |
1352 | if (!rtlpci->rx_ring[rxring_idx].desc || | |
1353 | (unsigned long)rtlpci->rx_ring[rxring_idx].desc & 0xFF) { | |
1354 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
1355 | "Cannot allocate RX ring\n"); | |
1356 | return -ENOMEM; | |
1357 | } | |
0c817338 | 1358 | |
38506ece LF |
1359 | /* init every desc in this ring */ |
1360 | rtlpci->rx_ring[rxring_idx].idx = 0; | |
0019a2c9 | 1361 | |
0c817338 | 1362 | for (i = 0; i < rtlpci->rxringcount; i++) { |
38506ece | 1363 | entry = &rtlpci->rx_ring[rxring_idx].desc[i]; |
e9538cf4 | 1364 | if (!_rtl_pci_init_one_rxdesc(hw, NULL, (u8 *)entry, |
38506ece LF |
1365 | rxring_idx, i)) |
1366 | return -ENOMEM; | |
0c817338 LF |
1367 | } |
1368 | ||
f3355dd9 | 1369 | rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false, |
2c208890 | 1370 | HW_DESC_RXERO, &tmp_one); |
0c817338 LF |
1371 | } |
1372 | return 0; | |
1373 | } | |
1374 | ||
1375 | static void _rtl_pci_free_tx_ring(struct ieee80211_hw *hw, | |
1376 | unsigned int prio) | |
1377 | { | |
1378 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1379 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
1380 | struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[prio]; | |
1381 | ||
38506ece | 1382 | /* free every desc in this ring */ |
0c817338 | 1383 | while (skb_queue_len(&ring->queue)) { |
38506ece | 1384 | u8 *entry; |
0c817338 LF |
1385 | struct sk_buff *skb = __skb_dequeue(&ring->queue); |
1386 | ||
38506ece LF |
1387 | if (rtlpriv->use_new_trx_flow) |
1388 | entry = (u8 *)(&ring->buffer_desc[ring->idx]); | |
1389 | else | |
1390 | entry = (u8 *)(&ring->desc[ring->idx]); | |
1391 | ||
0c817338 | 1392 | pci_unmap_single(rtlpci->pdev, |
d3bb1429 | 1393 | rtlpriv->cfg-> |
38506ece | 1394 | ops->get_desc((u8 *)entry, true, |
d3bb1429 | 1395 | HW_DESC_TXBUFF_ADDR), |
0c817338 LF |
1396 | skb->len, PCI_DMA_TODEVICE); |
1397 | kfree_skb(skb); | |
1398 | ring->idx = (ring->idx + 1) % ring->entries; | |
1399 | } | |
1400 | ||
38506ece LF |
1401 | /* free dma of this ring */ |
1402 | pci_free_consistent(rtlpci->pdev, | |
1403 | sizeof(*ring->desc) * ring->entries, | |
1404 | ring->desc, ring->dma); | |
1405 | ring->desc = NULL; | |
1406 | if (rtlpriv->use_new_trx_flow) { | |
7f66c2f9 | 1407 | pci_free_consistent(rtlpci->pdev, |
caea2172 | 1408 | sizeof(*ring->buffer_desc) * ring->entries, |
38506ece | 1409 | ring->buffer_desc, ring->buffer_desc_dma); |
caea2172 | 1410 | ring->buffer_desc = NULL; |
7f66c2f9 | 1411 | } |
0c817338 LF |
1412 | } |
1413 | ||
38506ece | 1414 | static void _rtl_pci_free_rx_ring(struct ieee80211_hw *hw, int rxring_idx) |
0c817338 | 1415 | { |
38506ece LF |
1416 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
1417 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
1418 | int i; | |
0c817338 | 1419 | |
38506ece LF |
1420 | /* free every desc in this ring */ |
1421 | for (i = 0; i < rtlpci->rxringcount; i++) { | |
1422 | struct sk_buff *skb = rtlpci->rx_ring[rxring_idx].rx_buf[i]; | |
0c817338 | 1423 | |
38506ece LF |
1424 | if (!skb) |
1425 | continue; | |
1426 | pci_unmap_single(rtlpci->pdev, *((dma_addr_t *)skb->cb), | |
1427 | rtlpci->rxbuffersize, PCI_DMA_FROMDEVICE); | |
1428 | kfree_skb(skb); | |
1429 | } | |
1430 | ||
1431 | /* free dma of this ring */ | |
1432 | if (rtlpriv->use_new_trx_flow) { | |
1433 | pci_free_consistent(rtlpci->pdev, | |
1434 | sizeof(*rtlpci->rx_ring[rxring_idx]. | |
1435 | buffer_desc) * rtlpci->rxringcount, | |
1436 | rtlpci->rx_ring[rxring_idx].buffer_desc, | |
1437 | rtlpci->rx_ring[rxring_idx].dma); | |
1438 | rtlpci->rx_ring[rxring_idx].buffer_desc = NULL; | |
1439 | } else { | |
1440 | pci_free_consistent(rtlpci->pdev, | |
1441 | sizeof(*rtlpci->rx_ring[rxring_idx].desc) * | |
1442 | rtlpci->rxringcount, | |
1443 | rtlpci->rx_ring[rxring_idx].desc, | |
1444 | rtlpci->rx_ring[rxring_idx].dma); | |
1445 | rtlpci->rx_ring[rxring_idx].desc = NULL; | |
0c817338 LF |
1446 | } |
1447 | } | |
1448 | ||
1449 | static int _rtl_pci_init_trx_ring(struct ieee80211_hw *hw) | |
1450 | { | |
1451 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
1452 | int ret; | |
38506ece | 1453 | int i, rxring_idx; |
0c817338 | 1454 | |
38506ece LF |
1455 | /* rxring_idx 0:RX_MPDU_QUEUE |
1456 | * rxring_idx 1:RX_CMD_QUEUE | |
1457 | */ | |
1458 | for (rxring_idx = 0; rxring_idx < RTL_PCI_MAX_RX_QUEUE; rxring_idx++) { | |
1459 | ret = _rtl_pci_init_rx_ring(hw, rxring_idx); | |
1460 | if (ret) | |
1461 | return ret; | |
1462 | } | |
0c817338 LF |
1463 | |
1464 | for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) { | |
1465 | ret = _rtl_pci_init_tx_ring(hw, i, | |
1466 | rtlpci->txringcount[i]); | |
1467 | if (ret) | |
1468 | goto err_free_rings; | |
1469 | } | |
1470 | ||
1471 | return 0; | |
1472 | ||
1473 | err_free_rings: | |
38506ece LF |
1474 | for (rxring_idx = 0; rxring_idx < RTL_PCI_MAX_RX_QUEUE; rxring_idx++) |
1475 | _rtl_pci_free_rx_ring(hw, rxring_idx); | |
0c817338 LF |
1476 | |
1477 | for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) | |
38506ece LF |
1478 | if (rtlpci->tx_ring[i].desc || |
1479 | rtlpci->tx_ring[i].buffer_desc) | |
0c817338 LF |
1480 | _rtl_pci_free_tx_ring(hw, i); |
1481 | ||
1482 | return 1; | |
1483 | } | |
1484 | ||
1485 | static int _rtl_pci_deinit_trx_ring(struct ieee80211_hw *hw) | |
1486 | { | |
38506ece | 1487 | u32 i, rxring_idx; |
0c817338 LF |
1488 | |
1489 | /*free rx rings */ | |
38506ece LF |
1490 | for (rxring_idx = 0; rxring_idx < RTL_PCI_MAX_RX_QUEUE; rxring_idx++) |
1491 | _rtl_pci_free_rx_ring(hw, rxring_idx); | |
0c817338 LF |
1492 | |
1493 | /*free tx rings */ | |
1494 | for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) | |
1495 | _rtl_pci_free_tx_ring(hw, i); | |
1496 | ||
1497 | return 0; | |
1498 | } | |
1499 | ||
1500 | int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw) | |
1501 | { | |
1502 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1503 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
38506ece | 1504 | int i, rxring_idx; |
0c817338 LF |
1505 | unsigned long flags; |
1506 | u8 tmp_one = 1; | |
38506ece LF |
1507 | u32 bufferaddress; |
1508 | /* rxring_idx 0:RX_MPDU_QUEUE */ | |
1509 | /* rxring_idx 1:RX_CMD_QUEUE */ | |
1510 | for (rxring_idx = 0; rxring_idx < RTL_PCI_MAX_RX_QUEUE; rxring_idx++) { | |
1511 | /* force the rx_ring[RX_MPDU_QUEUE/ | |
1512 | * RX_CMD_QUEUE].idx to the first one | |
1513 | *new trx flow, do nothing | |
1514 | */ | |
1515 | if (!rtlpriv->use_new_trx_flow && | |
1516 | rtlpci->rx_ring[rxring_idx].desc) { | |
0c817338 LF |
1517 | struct rtl_rx_desc *entry = NULL; |
1518 | ||
38506ece | 1519 | rtlpci->rx_ring[rxring_idx].idx = 0; |
0c817338 | 1520 | for (i = 0; i < rtlpci->rxringcount; i++) { |
38506ece LF |
1521 | entry = &rtlpci->rx_ring[rxring_idx].desc[i]; |
1522 | bufferaddress = | |
1523 | rtlpriv->cfg->ops->get_desc((u8 *)entry, | |
1524 | false , HW_DESC_RXBUFF_ADDR); | |
1525 | memset((u8 *)entry , 0 , | |
1526 | sizeof(*rtlpci->rx_ring | |
1527 | [rxring_idx].desc));/*clear one entry*/ | |
1528 | if (rtlpriv->use_new_trx_flow) { | |
1529 | rtlpriv->cfg->ops->set_desc(hw, | |
1530 | (u8 *)entry, false, | |
1531 | HW_DESC_RX_PREPARE, | |
1532 | (u8 *)&bufferaddress); | |
1533 | } else { | |
1534 | rtlpriv->cfg->ops->set_desc(hw, | |
1535 | (u8 *)entry, false, | |
1536 | HW_DESC_RXBUFF_ADDR, | |
1537 | (u8 *)&bufferaddress); | |
1538 | rtlpriv->cfg->ops->set_desc(hw, | |
1539 | (u8 *)entry, false, | |
1540 | HW_DESC_RXPKT_LEN, | |
1541 | (u8 *)&rtlpci->rxbuffersize); | |
1542 | rtlpriv->cfg->ops->set_desc(hw, | |
1543 | (u8 *)entry, false, | |
1544 | HW_DESC_RXOWN, | |
1545 | (u8 *)&tmp_one); | |
1546 | } | |
0c817338 | 1547 | } |
38506ece LF |
1548 | rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false, |
1549 | HW_DESC_RXERO, (u8 *)&tmp_one); | |
0c817338 | 1550 | } |
38506ece | 1551 | rtlpci->rx_ring[rxring_idx].idx = 0; |
0c817338 LF |
1552 | } |
1553 | ||
1554 | /* | |
1555 | *after reset, release previous pending packet, | |
1556 | *and force the tx idx to the first one | |
1557 | */ | |
38506ece | 1558 | spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); |
0c817338 | 1559 | for (i = 0; i < RTL_PCI_MAX_TX_QUEUE_COUNT; i++) { |
38506ece LF |
1560 | if (rtlpci->tx_ring[i].desc || |
1561 | rtlpci->tx_ring[i].buffer_desc) { | |
0c817338 LF |
1562 | struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[i]; |
1563 | ||
1564 | while (skb_queue_len(&ring->queue)) { | |
38506ece LF |
1565 | u8 *entry; |
1566 | struct sk_buff *skb = | |
1567 | __skb_dequeue(&ring->queue); | |
1568 | if (rtlpriv->use_new_trx_flow) | |
1569 | entry = (u8 *)(&ring->buffer_desc | |
1570 | [ring->idx]); | |
1571 | else | |
1572 | entry = (u8 *)(&ring->desc[ring->idx]); | |
0c817338 LF |
1573 | |
1574 | pci_unmap_single(rtlpci->pdev, | |
d3bb1429 | 1575 | rtlpriv->cfg->ops-> |
0c817338 LF |
1576 | get_desc((u8 *) |
1577 | entry, | |
1578 | true, | |
d3bb1429 | 1579 | HW_DESC_TXBUFF_ADDR), |
0c817338 | 1580 | skb->len, PCI_DMA_TODEVICE); |
5a2766ab | 1581 | kfree_skb(skb); |
38506ece | 1582 | ring->idx = (ring->idx + 1) % ring->entries; |
0c817338 LF |
1583 | } |
1584 | ring->idx = 0; | |
1585 | } | |
1586 | } | |
38506ece | 1587 | spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); |
0c817338 | 1588 | |
0c817338 LF |
1589 | return 0; |
1590 | } | |
1591 | ||
c7cfe38e | 1592 | static bool rtl_pci_tx_chk_waitq_insert(struct ieee80211_hw *hw, |
36323f81 | 1593 | struct ieee80211_sta *sta, |
c7cfe38e | 1594 | struct sk_buff *skb) |
0c817338 | 1595 | { |
c7cfe38e | 1596 | struct rtl_priv *rtlpriv = rtl_priv(hw); |
c7cfe38e C |
1597 | struct rtl_sta_info *sta_entry = NULL; |
1598 | u8 tid = rtl_get_tid(skb); | |
0f015453 | 1599 | __le16 fc = rtl_get_fc(skb); |
c7cfe38e C |
1600 | |
1601 | if (!sta) | |
1602 | return false; | |
1603 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; | |
1604 | ||
1605 | if (!rtlpriv->rtlhal.earlymode_enable) | |
1606 | return false; | |
0f015453 LF |
1607 | if (ieee80211_is_nullfunc(fc)) |
1608 | return false; | |
1609 | if (ieee80211_is_qos_nullfunc(fc)) | |
1610 | return false; | |
1611 | if (ieee80211_is_pspoll(fc)) | |
1612 | return false; | |
c7cfe38e C |
1613 | if (sta_entry->tids[tid].agg.agg_state != RTL_AGG_OPERATIONAL) |
1614 | return false; | |
1615 | if (_rtl_mac_to_hwqueue(hw, skb) > VO_QUEUE) | |
1616 | return false; | |
1617 | if (tid > 7) | |
1618 | return false; | |
1619 | ||
1620 | /* maybe every tid should be checked */ | |
1621 | if (!rtlpriv->link_info.higher_busytxtraffic[tid]) | |
1622 | return false; | |
1623 | ||
1624 | spin_lock_bh(&rtlpriv->locks.waitq_lock); | |
1625 | skb_queue_tail(&rtlpriv->mac80211.skb_waitq[tid], skb); | |
1626 | spin_unlock_bh(&rtlpriv->locks.waitq_lock); | |
0c817338 | 1627 | |
c7cfe38e | 1628 | return true; |
0c817338 LF |
1629 | } |
1630 | ||
36323f81 TH |
1631 | static int rtl_pci_tx(struct ieee80211_hw *hw, |
1632 | struct ieee80211_sta *sta, | |
1633 | struct sk_buff *skb, | |
1634 | struct rtl_tcb_desc *ptcb_desc) | |
0c817338 LF |
1635 | { |
1636 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
c7cfe38e | 1637 | struct rtl_sta_info *sta_entry = NULL; |
0c817338 LF |
1638 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
1639 | struct rtl8192_tx_ring *ring; | |
1640 | struct rtl_tx_desc *pdesc; | |
f3355dd9 | 1641 | struct rtl_tx_buffer_desc *ptx_bd_desc = NULL; |
38506ece | 1642 | u16 idx; |
c7cfe38e | 1643 | u8 hw_queue = _rtl_mac_to_hwqueue(hw, skb); |
0c817338 | 1644 | unsigned long flags; |
c7cfe38e C |
1645 | struct ieee80211_hdr *hdr = rtl_get_hdr(skb); |
1646 | __le16 fc = rtl_get_fc(skb); | |
0c817338 LF |
1647 | u8 *pda_addr = hdr->addr1; |
1648 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
1649 | /*ssn */ | |
0c817338 LF |
1650 | u8 tid = 0; |
1651 | u16 seq_number = 0; | |
1652 | u8 own; | |
1653 | u8 temp_one = 1; | |
1654 | ||
0f015453 LF |
1655 | if (ieee80211_is_mgmt(fc)) |
1656 | rtl_tx_mgmt_proc(hw, skb); | |
c7cfe38e C |
1657 | |
1658 | if (rtlpriv->psc.sw_ps_enabled) { | |
1659 | if (ieee80211_is_data(fc) && !ieee80211_is_nullfunc(fc) && | |
1660 | !ieee80211_has_pm(fc)) | |
1661 | hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM); | |
1662 | } | |
0c817338 | 1663 | |
c7cfe38e | 1664 | rtl_action_proc(hw, skb, true); |
0c817338 LF |
1665 | |
1666 | if (is_multicast_ether_addr(pda_addr)) | |
1667 | rtlpriv->stats.txbytesmulticast += skb->len; | |
1668 | else if (is_broadcast_ether_addr(pda_addr)) | |
1669 | rtlpriv->stats.txbytesbroadcast += skb->len; | |
1670 | else | |
1671 | rtlpriv->stats.txbytesunicast += skb->len; | |
1672 | ||
1673 | spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); | |
0c817338 | 1674 | ring = &rtlpci->tx_ring[hw_queue]; |
38506ece LF |
1675 | if (hw_queue != BEACON_QUEUE) { |
1676 | if (rtlpriv->use_new_trx_flow) | |
1677 | idx = ring->cur_tx_wp; | |
1678 | else | |
1679 | idx = (ring->idx + skb_queue_len(&ring->queue)) % | |
1680 | ring->entries; | |
1681 | } else { | |
0c817338 | 1682 | idx = 0; |
38506ece | 1683 | } |
0c817338 LF |
1684 | |
1685 | pdesc = &ring->desc[idx]; | |
f3355dd9 LF |
1686 | if (rtlpriv->use_new_trx_flow) { |
1687 | ptx_bd_desc = &ring->buffer_desc[idx]; | |
1688 | } else { | |
1689 | own = (u8) rtlpriv->cfg->ops->get_desc((u8 *)pdesc, | |
1690 | true, HW_DESC_OWN); | |
0c817338 | 1691 | |
f3355dd9 LF |
1692 | if ((own == 1) && (hw_queue != BEACON_QUEUE)) { |
1693 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, | |
4f4378de | 1694 | "No more TX desc@%d, ring->idx = %d, idx = %d, skb_queue_len = 0x%x\n", |
f3355dd9 LF |
1695 | hw_queue, ring->idx, idx, |
1696 | skb_queue_len(&ring->queue)); | |
0c817338 | 1697 | |
f3355dd9 LF |
1698 | spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, |
1699 | flags); | |
1700 | return skb->len; | |
1701 | } | |
0c817338 LF |
1702 | } |
1703 | ||
d0311314 TT |
1704 | if (rtlpriv->cfg->ops->get_available_desc && |
1705 | rtlpriv->cfg->ops->get_available_desc(hw, hw_queue) == 0) { | |
1706 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, | |
1707 | "get_available_desc fail\n"); | |
1708 | spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, | |
1709 | flags); | |
1710 | return skb->len; | |
1711 | } | |
1712 | ||
0c817338 | 1713 | if (ieee80211_is_data_qos(fc)) { |
c7cfe38e C |
1714 | tid = rtl_get_tid(skb); |
1715 | if (sta) { | |
1716 | sta_entry = (struct rtl_sta_info *)sta->drv_priv; | |
1717 | seq_number = (le16_to_cpu(hdr->seq_ctrl) & | |
1718 | IEEE80211_SCTL_SEQ) >> 4; | |
1719 | seq_number += 1; | |
1720 | ||
1721 | if (!ieee80211_has_morefrags(hdr->frame_control)) | |
1722 | sta_entry->tids[tid].seq_number = seq_number; | |
1723 | } | |
0c817338 LF |
1724 | } |
1725 | ||
1726 | if (ieee80211_is_data(fc)) | |
1727 | rtlpriv->cfg->ops->led_control(hw, LED_CTL_TX); | |
1728 | ||
c7cfe38e | 1729 | rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc, |
f3355dd9 | 1730 | (u8 *)ptx_bd_desc, info, sta, skb, hw_queue, ptcb_desc); |
0c817338 LF |
1731 | |
1732 | __skb_queue_tail(&ring->queue, skb); | |
1733 | ||
f3355dd9 LF |
1734 | if (rtlpriv->use_new_trx_flow) { |
1735 | rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, true, | |
9cb76aa9 | 1736 | HW_DESC_OWN, &hw_queue); |
f3355dd9 LF |
1737 | } else { |
1738 | rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, true, | |
9cb76aa9 | 1739 | HW_DESC_OWN, &temp_one); |
f3355dd9 | 1740 | } |
0c817338 LF |
1741 | |
1742 | if ((ring->entries - skb_queue_len(&ring->queue)) < 2 && | |
1743 | hw_queue != BEACON_QUEUE) { | |
0c817338 | 1744 | RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD, |
4f4378de | 1745 | "less desc left, stop skb_queue@%d, ring->idx = %d, idx = %d, skb_queue_len = 0x%x\n", |
f30d7507 JP |
1746 | hw_queue, ring->idx, idx, |
1747 | skb_queue_len(&ring->queue)); | |
0c817338 LF |
1748 | |
1749 | ieee80211_stop_queue(hw, skb_get_queue_mapping(skb)); | |
1750 | } | |
1751 | ||
1752 | spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); | |
1753 | ||
1754 | rtlpriv->cfg->ops->tx_polling(hw, hw_queue); | |
1755 | ||
1756 | return 0; | |
1757 | } | |
1758 | ||
38506ece | 1759 | static void rtl_pci_flush(struct ieee80211_hw *hw, u32 queues, bool drop) |
c7cfe38e C |
1760 | { |
1761 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1762 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); | |
1763 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
26634c4b | 1764 | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
c7cfe38e C |
1765 | u16 i = 0; |
1766 | int queue_id; | |
1767 | struct rtl8192_tx_ring *ring; | |
1768 | ||
26634c4b LF |
1769 | if (mac->skip_scan) |
1770 | return; | |
1771 | ||
c7cfe38e C |
1772 | for (queue_id = RTL_PCI_MAX_TX_QUEUE_COUNT - 1; queue_id >= 0;) { |
1773 | u32 queue_len; | |
38506ece LF |
1774 | |
1775 | if (((queues >> queue_id) & 0x1) == 0) { | |
1776 | queue_id--; | |
1777 | continue; | |
1778 | } | |
c7cfe38e C |
1779 | ring = &pcipriv->dev.tx_ring[queue_id]; |
1780 | queue_len = skb_queue_len(&ring->queue); | |
1781 | if (queue_len == 0 || queue_id == BEACON_QUEUE || | |
1782 | queue_id == TXCMD_QUEUE) { | |
1783 | queue_id--; | |
1784 | continue; | |
1785 | } else { | |
1786 | msleep(20); | |
1787 | i++; | |
1788 | } | |
1789 | ||
1790 | /* we just wait 1s for all queues */ | |
1791 | if (rtlpriv->psc.rfpwr_state == ERFOFF || | |
1792 | is_hal_stop(rtlhal) || i >= 200) | |
1793 | return; | |
1794 | } | |
1795 | } | |
1796 | ||
d3bb1429 | 1797 | static void rtl_pci_deinit(struct ieee80211_hw *hw) |
0c817338 LF |
1798 | { |
1799 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1800 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
1801 | ||
1802 | _rtl_pci_deinit_trx_ring(hw); | |
1803 | ||
1804 | synchronize_irq(rtlpci->pdev->irq); | |
1805 | tasklet_kill(&rtlpriv->works.irq_tasklet); | |
a269913c | 1806 | cancel_work_sync(&rtlpriv->works.lps_change_work); |
0c817338 LF |
1807 | |
1808 | flush_workqueue(rtlpriv->works.rtl_wq); | |
1809 | destroy_workqueue(rtlpriv->works.rtl_wq); | |
1810 | ||
1811 | } | |
1812 | ||
d3bb1429 | 1813 | static int rtl_pci_init(struct ieee80211_hw *hw, struct pci_dev *pdev) |
0c817338 LF |
1814 | { |
1815 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1816 | int err; | |
1817 | ||
1818 | _rtl_pci_init_struct(hw, pdev); | |
1819 | ||
1820 | err = _rtl_pci_init_trx_ring(hw); | |
1821 | if (err) { | |
1822 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
f30d7507 | 1823 | "tx ring initialization failed\n"); |
12325280 | 1824 | return err; |
0c817338 LF |
1825 | } |
1826 | ||
12325280 | 1827 | return 0; |
0c817338 LF |
1828 | } |
1829 | ||
d3bb1429 | 1830 | static int rtl_pci_start(struct ieee80211_hw *hw) |
0c817338 LF |
1831 | { |
1832 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1833 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
1834 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
1835 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
1836 | ||
1837 | int err; | |
1838 | ||
1839 | rtl_pci_reset_trx_ring(hw); | |
1840 | ||
1841 | rtlpci->driver_is_goingto_unload = false; | |
08054200 LF |
1842 | if (rtlpriv->cfg->ops->get_btc_status && |
1843 | rtlpriv->cfg->ops->get_btc_status()) { | |
38506ece LF |
1844 | rtlpriv->btcoexist.btc_ops->btc_init_variables(rtlpriv); |
1845 | rtlpriv->btcoexist.btc_ops->btc_init_hal_vars(rtlpriv); | |
1846 | } | |
0c817338 LF |
1847 | err = rtlpriv->cfg->ops->hw_init(hw); |
1848 | if (err) { | |
1849 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
f30d7507 | 1850 | "Failed to config hardware!\n"); |
0c817338 LF |
1851 | return err; |
1852 | } | |
1853 | ||
1854 | rtlpriv->cfg->ops->enable_interrupt(hw); | |
f30d7507 | 1855 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "enable_interrupt OK\n"); |
0c817338 LF |
1856 | |
1857 | rtl_init_rx_config(hw); | |
1858 | ||
fb914ebf | 1859 | /*should be after adapter start and interrupt enable. */ |
0c817338 LF |
1860 | set_hal_start(rtlhal); |
1861 | ||
1862 | RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC); | |
1863 | ||
1864 | rtlpci->up_first_time = false; | |
1865 | ||
38506ece | 1866 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "rtl_pci_start OK\n"); |
0c817338 LF |
1867 | return 0; |
1868 | } | |
1869 | ||
d3bb1429 | 1870 | static void rtl_pci_stop(struct ieee80211_hw *hw) |
0c817338 LF |
1871 | { |
1872 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1873 | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | |
1874 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
1875 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
1876 | unsigned long flags; | |
1877 | u8 RFInProgressTimeOut = 0; | |
1878 | ||
38506ece LF |
1879 | if (rtlpriv->cfg->ops->get_btc_status()) |
1880 | rtlpriv->btcoexist.btc_ops->btc_halt_notify(); | |
1881 | ||
0c817338 | 1882 | /* |
fb914ebf | 1883 | *should be before disable interrupt&adapter |
0c817338 LF |
1884 | *and will do it immediately. |
1885 | */ | |
1886 | set_hal_stop(rtlhal); | |
1887 | ||
9278db62 | 1888 | rtlpci->driver_is_goingto_unload = true; |
0c817338 | 1889 | rtlpriv->cfg->ops->disable_interrupt(hw); |
a269913c | 1890 | cancel_work_sync(&rtlpriv->works.lps_change_work); |
0c817338 LF |
1891 | |
1892 | spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags); | |
1893 | while (ppsc->rfchange_inprogress) { | |
1894 | spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flags); | |
1895 | if (RFInProgressTimeOut > 100) { | |
1896 | spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags); | |
1897 | break; | |
1898 | } | |
1899 | mdelay(1); | |
1900 | RFInProgressTimeOut++; | |
1901 | spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags); | |
1902 | } | |
1903 | ppsc->rfchange_inprogress = true; | |
1904 | spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flags); | |
1905 | ||
0c817338 | 1906 | rtlpriv->cfg->ops->hw_disable(hw); |
b0302aba LF |
1907 | /* some things are not needed if firmware not available */ |
1908 | if (!rtlpriv->max_fw_size) | |
1909 | return; | |
0c817338 LF |
1910 | rtlpriv->cfg->ops->led_control(hw, LED_CTL_POWER_OFF); |
1911 | ||
1912 | spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags); | |
1913 | ppsc->rfchange_inprogress = false; | |
1914 | spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flags); | |
1915 | ||
1916 | rtl_pci_enable_aspm(hw); | |
1917 | } | |
1918 | ||
1919 | static bool _rtl_pci_find_adapter(struct pci_dev *pdev, | |
1920 | struct ieee80211_hw *hw) | |
1921 | { | |
1922 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
1923 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); | |
1924 | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
1925 | struct pci_dev *bridge_pdev = pdev->bus->self; | |
1926 | u16 venderid; | |
1927 | u16 deviceid; | |
c7cfe38e | 1928 | u8 revisionid; |
0c817338 LF |
1929 | u16 irqline; |
1930 | u8 tmp; | |
1931 | ||
fc7707a4 | 1932 | pcipriv->ndis_adapter.pcibridge_vendor = PCI_BRIDGE_VENDOR_UNKNOWN; |
0c817338 LF |
1933 | venderid = pdev->vendor; |
1934 | deviceid = pdev->device; | |
c7cfe38e | 1935 | pci_read_config_byte(pdev, 0x8, &revisionid); |
0c817338 LF |
1936 | pci_read_config_word(pdev, 0x3C, &irqline); |
1937 | ||
fa7ccfb1 LF |
1938 | /* PCI ID 0x10ec:0x8192 occurs for both RTL8192E, which uses |
1939 | * r8192e_pci, and RTL8192SE, which uses this driver. If the | |
1940 | * revision ID is RTL_PCI_REVISION_ID_8192PCIE (0x01), then | |
1941 | * the correct driver is r8192e_pci, thus this routine should | |
1942 | * return false. | |
1943 | */ | |
1944 | if (deviceid == RTL_PCI_8192SE_DID && | |
1945 | revisionid == RTL_PCI_REVISION_ID_8192PCIE) | |
1946 | return false; | |
1947 | ||
0c817338 LF |
1948 | if (deviceid == RTL_PCI_8192_DID || |
1949 | deviceid == RTL_PCI_0044_DID || | |
1950 | deviceid == RTL_PCI_0047_DID || | |
1951 | deviceid == RTL_PCI_8192SE_DID || | |
1952 | deviceid == RTL_PCI_8174_DID || | |
1953 | deviceid == RTL_PCI_8173_DID || | |
1954 | deviceid == RTL_PCI_8172_DID || | |
1955 | deviceid == RTL_PCI_8171_DID) { | |
c7cfe38e | 1956 | switch (revisionid) { |
0c817338 LF |
1957 | case RTL_PCI_REVISION_ID_8192PCIE: |
1958 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
f30d7507 JP |
1959 | "8192 PCI-E is found - vid/did=%x/%x\n", |
1960 | venderid, deviceid); | |
0c817338 | 1961 | rtlhal->hw_type = HARDWARE_TYPE_RTL8192E; |
0f015453 | 1962 | return false; |
0c817338 LF |
1963 | case RTL_PCI_REVISION_ID_8192SE: |
1964 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
f30d7507 JP |
1965 | "8192SE is found - vid/did=%x/%x\n", |
1966 | venderid, deviceid); | |
0c817338 LF |
1967 | rtlhal->hw_type = HARDWARE_TYPE_RTL8192SE; |
1968 | break; | |
1969 | default: | |
1970 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, | |
f30d7507 JP |
1971 | "Err: Unknown device - vid/did=%x/%x\n", |
1972 | venderid, deviceid); | |
0c817338 LF |
1973 | rtlhal->hw_type = HARDWARE_TYPE_RTL8192SE; |
1974 | break; | |
1975 | ||
1976 | } | |
0f015453 LF |
1977 | } else if (deviceid == RTL_PCI_8723AE_DID) { |
1978 | rtlhal->hw_type = HARDWARE_TYPE_RTL8723AE; | |
1979 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
1980 | "8723AE PCI-E is found - " | |
1981 | "vid/did=%x/%x\n", venderid, deviceid); | |
0c817338 LF |
1982 | } else if (deviceid == RTL_PCI_8192CET_DID || |
1983 | deviceid == RTL_PCI_8192CE_DID || | |
1984 | deviceid == RTL_PCI_8191CE_DID || | |
1985 | deviceid == RTL_PCI_8188CE_DID) { | |
1986 | rtlhal->hw_type = HARDWARE_TYPE_RTL8192CE; | |
1987 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
f30d7507 JP |
1988 | "8192C PCI-E is found - vid/did=%x/%x\n", |
1989 | venderid, deviceid); | |
c7cfe38e C |
1990 | } else if (deviceid == RTL_PCI_8192DE_DID || |
1991 | deviceid == RTL_PCI_8192DE_DID2) { | |
1992 | rtlhal->hw_type = HARDWARE_TYPE_RTL8192DE; | |
1993 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
f30d7507 JP |
1994 | "8192D PCI-E is found - vid/did=%x/%x\n", |
1995 | venderid, deviceid); | |
5c69177d LF |
1996 | } else if (deviceid == RTL_PCI_8188EE_DID) { |
1997 | rtlhal->hw_type = HARDWARE_TYPE_RTL8188EE; | |
1998 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, | |
1999 | "Find adapter, Hardware type is 8188EE\n"); | |
38506ece LF |
2000 | } else if (deviceid == RTL_PCI_8723BE_DID) { |
2001 | rtlhal->hw_type = HARDWARE_TYPE_RTL8723BE; | |
2002 | RT_TRACE(rtlpriv, COMP_INIT , DBG_LOUD, | |
2003 | "Find adapter, Hardware type is 8723BE\n"); | |
2004 | } else if (deviceid == RTL_PCI_8192EE_DID) { | |
2005 | rtlhal->hw_type = HARDWARE_TYPE_RTL8192EE; | |
2006 | RT_TRACE(rtlpriv, COMP_INIT , DBG_LOUD, | |
2007 | "Find adapter, Hardware type is 8192EE\n"); | |
2008 | } else if (deviceid == RTL_PCI_8821AE_DID) { | |
2009 | rtlhal->hw_type = HARDWARE_TYPE_RTL8821AE; | |
2010 | RT_TRACE(rtlpriv, COMP_INIT , DBG_LOUD, | |
2011 | "Find adapter, Hardware type is 8821AE\n"); | |
2012 | } else if (deviceid == RTL_PCI_8812AE_DID) { | |
2013 | rtlhal->hw_type = HARDWARE_TYPE_RTL8812AE; | |
2014 | RT_TRACE(rtlpriv, COMP_INIT , DBG_LOUD, | |
2015 | "Find adapter, Hardware type is 8812AE\n"); | |
0c817338 LF |
2016 | } else { |
2017 | RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, | |
f30d7507 JP |
2018 | "Err: Unknown device - vid/did=%x/%x\n", |
2019 | venderid, deviceid); | |
0c817338 LF |
2020 | |
2021 | rtlhal->hw_type = RTL_DEFAULT_HARDWARE_TYPE; | |
2022 | } | |
2023 | ||
c7cfe38e C |
2024 | if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192DE) { |
2025 | if (revisionid == 0 || revisionid == 1) { | |
2026 | if (revisionid == 0) { | |
f30d7507 JP |
2027 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, |
2028 | "Find 92DE MAC0\n"); | |
c7cfe38e C |
2029 | rtlhal->interfaceindex = 0; |
2030 | } else if (revisionid == 1) { | |
2031 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, | |
f30d7507 | 2032 | "Find 92DE MAC1\n"); |
c7cfe38e C |
2033 | rtlhal->interfaceindex = 1; |
2034 | } | |
2035 | } else { | |
2036 | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, | |
f30d7507 JP |
2037 | "Unknown device - VendorID/DeviceID=%x/%x, Revision=%x\n", |
2038 | venderid, deviceid, revisionid); | |
c7cfe38e C |
2039 | rtlhal->interfaceindex = 0; |
2040 | } | |
2041 | } | |
38506ece LF |
2042 | |
2043 | /* 92ee use new trx flow */ | |
2044 | if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192EE) | |
2045 | rtlpriv->use_new_trx_flow = true; | |
2046 | else | |
2047 | rtlpriv->use_new_trx_flow = false; | |
2048 | ||
0c817338 LF |
2049 | /*find bus info */ |
2050 | pcipriv->ndis_adapter.busnumber = pdev->bus->number; | |
2051 | pcipriv->ndis_adapter.devnumber = PCI_SLOT(pdev->devfn); | |
2052 | pcipriv->ndis_adapter.funcnumber = PCI_FUNC(pdev->devfn); | |
2053 | ||
38506ece LF |
2054 | /*find bridge info */ |
2055 | pcipriv->ndis_adapter.pcibridge_vendor = PCI_BRIDGE_VENDOR_UNKNOWN; | |
26634c4b LF |
2056 | /* some ARM have no bridge_pdev and will crash here |
2057 | * so we should check if bridge_pdev is NULL | |
2058 | */ | |
b6b67df3 LF |
2059 | if (bridge_pdev) { |
2060 | /*find bridge info if available */ | |
2061 | pcipriv->ndis_adapter.pcibridge_vendorid = bridge_pdev->vendor; | |
2062 | for (tmp = 0; tmp < PCI_BRIDGE_VENDOR_MAX; tmp++) { | |
2063 | if (bridge_pdev->vendor == pcibridge_vendors[tmp]) { | |
2064 | pcipriv->ndis_adapter.pcibridge_vendor = tmp; | |
2065 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
f30d7507 JP |
2066 | "Pci Bridge Vendor is found index: %d\n", |
2067 | tmp); | |
b6b67df3 LF |
2068 | break; |
2069 | } | |
0c817338 LF |
2070 | } |
2071 | } | |
2072 | ||
2073 | if (pcipriv->ndis_adapter.pcibridge_vendor != | |
2074 | PCI_BRIDGE_VENDOR_UNKNOWN) { | |
2075 | pcipriv->ndis_adapter.pcibridge_busnum = | |
2076 | bridge_pdev->bus->number; | |
2077 | pcipriv->ndis_adapter.pcibridge_devnum = | |
2078 | PCI_SLOT(bridge_pdev->devfn); | |
2079 | pcipriv->ndis_adapter.pcibridge_funcnum = | |
2080 | PCI_FUNC(bridge_pdev->devfn); | |
c7cfe38e C |
2081 | pcipriv->ndis_adapter.pcibridge_pciehdr_offset = |
2082 | pci_pcie_cap(bridge_pdev); | |
0c817338 LF |
2083 | pcipriv->ndis_adapter.num4bytes = |
2084 | (pcipriv->ndis_adapter.pcibridge_pciehdr_offset + 0x10) / 4; | |
2085 | ||
2086 | rtl_pci_get_linkcontrol_field(hw); | |
2087 | ||
2088 | if (pcipriv->ndis_adapter.pcibridge_vendor == | |
2089 | PCI_BRIDGE_VENDOR_AMD) { | |
2090 | pcipriv->ndis_adapter.amd_l1_patch = | |
2091 | rtl_pci_get_amd_l1_patch(hw); | |
2092 | } | |
2093 | } | |
2094 | ||
2095 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
f30d7507 JP |
2096 | "pcidev busnumber:devnumber:funcnumber:vendor:link_ctl %d:%d:%d:%x:%x\n", |
2097 | pcipriv->ndis_adapter.busnumber, | |
2098 | pcipriv->ndis_adapter.devnumber, | |
2099 | pcipriv->ndis_adapter.funcnumber, | |
2100 | pdev->vendor, pcipriv->ndis_adapter.linkctrl_reg); | |
0c817338 LF |
2101 | |
2102 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
f30d7507 JP |
2103 | "pci_bridge busnumber:devnumber:funcnumber:vendor:pcie_cap:link_ctl_reg:amd %d:%d:%d:%x:%x:%x:%x\n", |
2104 | pcipriv->ndis_adapter.pcibridge_busnum, | |
2105 | pcipriv->ndis_adapter.pcibridge_devnum, | |
2106 | pcipriv->ndis_adapter.pcibridge_funcnum, | |
2107 | pcibridge_vendors[pcipriv->ndis_adapter.pcibridge_vendor], | |
2108 | pcipriv->ndis_adapter.pcibridge_pciehdr_offset, | |
2109 | pcipriv->ndis_adapter.pcibridge_linkctrlreg, | |
2110 | pcipriv->ndis_adapter.amd_l1_patch); | |
0c817338 LF |
2111 | |
2112 | rtl_pci_parse_configuration(pdev, hw); | |
26634c4b | 2113 | list_add_tail(&rtlpriv->list, &rtlpriv->glb_var->glb_priv_list); |
0c817338 LF |
2114 | |
2115 | return true; | |
2116 | } | |
2117 | ||
94010fa0 AL |
2118 | static int rtl_pci_intr_mode_msi(struct ieee80211_hw *hw) |
2119 | { | |
2120 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
2121 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); | |
2122 | struct rtl_pci *rtlpci = rtl_pcidev(pcipriv); | |
2123 | int ret; | |
2124 | ||
2125 | ret = pci_enable_msi(rtlpci->pdev); | |
2126 | if (ret < 0) | |
2127 | return ret; | |
2128 | ||
2129 | ret = request_irq(rtlpci->pdev->irq, &_rtl_pci_interrupt, | |
2130 | IRQF_SHARED, KBUILD_MODNAME, hw); | |
2131 | if (ret < 0) { | |
2132 | pci_disable_msi(rtlpci->pdev); | |
2133 | return ret; | |
2134 | } | |
2135 | ||
2136 | rtlpci->using_msi = true; | |
2137 | ||
2138 | RT_TRACE(rtlpriv, COMP_INIT|COMP_INTR, DBG_DMESG, | |
2139 | "MSI Interrupt Mode!\n"); | |
2140 | return 0; | |
2141 | } | |
2142 | ||
2143 | static int rtl_pci_intr_mode_legacy(struct ieee80211_hw *hw) | |
2144 | { | |
2145 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
2146 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); | |
2147 | struct rtl_pci *rtlpci = rtl_pcidev(pcipriv); | |
2148 | int ret; | |
2149 | ||
2150 | ret = request_irq(rtlpci->pdev->irq, &_rtl_pci_interrupt, | |
2151 | IRQF_SHARED, KBUILD_MODNAME, hw); | |
2152 | if (ret < 0) | |
2153 | return ret; | |
2154 | ||
2155 | rtlpci->using_msi = false; | |
2156 | RT_TRACE(rtlpriv, COMP_INIT|COMP_INTR, DBG_DMESG, | |
2157 | "Pin-based Interrupt Mode!\n"); | |
2158 | return 0; | |
2159 | } | |
2160 | ||
2161 | static int rtl_pci_intr_mode_decide(struct ieee80211_hw *hw) | |
2162 | { | |
2163 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); | |
2164 | struct rtl_pci *rtlpci = rtl_pcidev(pcipriv); | |
2165 | int ret; | |
2166 | ||
2167 | if (rtlpci->msi_support) { | |
2168 | ret = rtl_pci_intr_mode_msi(hw); | |
2169 | if (ret < 0) | |
2170 | ret = rtl_pci_intr_mode_legacy(hw); | |
2171 | } else { | |
2172 | ret = rtl_pci_intr_mode_legacy(hw); | |
2173 | } | |
2174 | return ret; | |
2175 | } | |
2176 | ||
9e2ff36b | 2177 | int rtl_pci_probe(struct pci_dev *pdev, |
0c817338 LF |
2178 | const struct pci_device_id *id) |
2179 | { | |
2180 | struct ieee80211_hw *hw = NULL; | |
2181 | ||
2182 | struct rtl_priv *rtlpriv = NULL; | |
2183 | struct rtl_pci_priv *pcipriv = NULL; | |
2184 | struct rtl_pci *rtlpci; | |
2185 | unsigned long pmem_start, pmem_len, pmem_flags; | |
2186 | int err; | |
2187 | ||
2188 | err = pci_enable_device(pdev); | |
2189 | if (err) { | |
9d833ed7 JP |
2190 | RT_ASSERT(false, "%s : Cannot enable new PCI device\n", |
2191 | pci_name(pdev)); | |
0c817338 LF |
2192 | return err; |
2193 | } | |
2194 | ||
2195 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) { | |
2196 | if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { | |
9d833ed7 JP |
2197 | RT_ASSERT(false, |
2198 | "Unable to obtain 32bit DMA for consistent allocations\n"); | |
3d86b930 TG |
2199 | err = -ENOMEM; |
2200 | goto fail1; | |
0c817338 LF |
2201 | } |
2202 | } | |
2203 | ||
2204 | pci_set_master(pdev); | |
2205 | ||
2206 | hw = ieee80211_alloc_hw(sizeof(struct rtl_pci_priv) + | |
2207 | sizeof(struct rtl_priv), &rtl_ops); | |
2208 | if (!hw) { | |
2209 | RT_ASSERT(false, | |
9d833ed7 | 2210 | "%s : ieee80211 alloc failed\n", pci_name(pdev)); |
0c817338 LF |
2211 | err = -ENOMEM; |
2212 | goto fail1; | |
2213 | } | |
2214 | ||
2215 | SET_IEEE80211_DEV(hw, &pdev->dev); | |
2216 | pci_set_drvdata(pdev, hw); | |
2217 | ||
2218 | rtlpriv = hw->priv; | |
26634c4b | 2219 | rtlpriv->hw = hw; |
0c817338 LF |
2220 | pcipriv = (void *)rtlpriv->priv; |
2221 | pcipriv->dev.pdev = pdev; | |
b0302aba | 2222 | init_completion(&rtlpriv->firmware_loading_complete); |
38506ece LF |
2223 | /*proximity init here*/ |
2224 | rtlpriv->proximity.proxim_on = false; | |
2225 | ||
2226 | pcipriv = (void *)rtlpriv->priv; | |
2227 | pcipriv->dev.pdev = pdev; | |
0c817338 | 2228 | |
c7cfe38e C |
2229 | /* init cfg & intf_ops */ |
2230 | rtlpriv->rtlhal.interface = INTF_PCI; | |
2231 | rtlpriv->cfg = (struct rtl_hal_cfg *)(id->driver_data); | |
2232 | rtlpriv->intf_ops = &rtl_pci_ops; | |
6f334c2b | 2233 | rtlpriv->glb_var = &rtl_global_var; |
c7cfe38e | 2234 | |
0c817338 LF |
2235 | /* |
2236 | *init dbgp flags before all | |
2237 | *other functions, because we will | |
2238 | *use it in other funtions like | |
2239 | *RT_TRACE/RT_PRINT/RTL_PRINT_DATA | |
2240 | *you can not use these macro | |
2241 | *before this | |
2242 | */ | |
2243 | rtl_dbgp_flag_init(hw); | |
2244 | ||
2245 | /* MEM map */ | |
2246 | err = pci_request_regions(pdev, KBUILD_MODNAME); | |
2247 | if (err) { | |
9d833ed7 | 2248 | RT_ASSERT(false, "Can't obtain PCI resources\n"); |
3d86b930 | 2249 | goto fail1; |
0c817338 LF |
2250 | } |
2251 | ||
c7cfe38e C |
2252 | pmem_start = pci_resource_start(pdev, rtlpriv->cfg->bar_id); |
2253 | pmem_len = pci_resource_len(pdev, rtlpriv->cfg->bar_id); | |
2254 | pmem_flags = pci_resource_flags(pdev, rtlpriv->cfg->bar_id); | |
0c817338 LF |
2255 | |
2256 | /*shared mem start */ | |
2257 | rtlpriv->io.pci_mem_start = | |
c7cfe38e C |
2258 | (unsigned long)pci_iomap(pdev, |
2259 | rtlpriv->cfg->bar_id, pmem_len); | |
0c817338 | 2260 | if (rtlpriv->io.pci_mem_start == 0) { |
9d833ed7 | 2261 | RT_ASSERT(false, "Can't map PCI mem\n"); |
3d86b930 | 2262 | err = -ENOMEM; |
0c817338 LF |
2263 | goto fail2; |
2264 | } | |
2265 | ||
2266 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
f30d7507 JP |
2267 | "mem mapped space: start: 0x%08lx len:%08lx flags:%08lx, after map:0x%08lx\n", |
2268 | pmem_start, pmem_len, pmem_flags, | |
2269 | rtlpriv->io.pci_mem_start); | |
0c817338 LF |
2270 | |
2271 | /* Disable Clk Request */ | |
2272 | pci_write_config_byte(pdev, 0x81, 0); | |
2273 | /* leave D3 mode */ | |
2274 | pci_write_config_byte(pdev, 0x44, 0); | |
2275 | pci_write_config_byte(pdev, 0x04, 0x06); | |
2276 | pci_write_config_byte(pdev, 0x04, 0x07); | |
2277 | ||
0c817338 | 2278 | /* find adapter */ |
3d86b930 TG |
2279 | if (!_rtl_pci_find_adapter(pdev, hw)) { |
2280 | err = -ENODEV; | |
fa7ccfb1 | 2281 | goto fail3; |
3d86b930 | 2282 | } |
0c817338 LF |
2283 | |
2284 | /* Init IO handler */ | |
2285 | _rtl_pci_io_handler_init(&pdev->dev, hw); | |
2286 | ||
2287 | /*like read eeprom and so on */ | |
2288 | rtlpriv->cfg->ops->read_eeprom_info(hw); | |
2289 | ||
7d63a5f9 LF |
2290 | if (rtlpriv->cfg->ops->init_sw_vars(hw)) { |
2291 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Can't init_sw_vars\n"); | |
2292 | err = -ENODEV; | |
2293 | goto fail3; | |
2294 | } | |
2295 | rtlpriv->cfg->ops->init_sw_leds(hw); | |
2296 | ||
2297 | /*aspm */ | |
2298 | rtl_pci_init_aspm(hw); | |
2299 | ||
0c817338 LF |
2300 | /* Init mac80211 sw */ |
2301 | err = rtl_init_core(hw); | |
2302 | if (err) { | |
2303 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
f30d7507 | 2304 | "Can't allocate sw for mac80211\n"); |
0c817338 LF |
2305 | goto fail3; |
2306 | } | |
2307 | ||
2308 | /* Init PCI sw */ | |
12325280 | 2309 | err = rtl_pci_init(hw, pdev); |
0c817338 | 2310 | if (err) { |
f30d7507 | 2311 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Failed to init PCI\n"); |
0c817338 LF |
2312 | goto fail3; |
2313 | } | |
2314 | ||
38506ece LF |
2315 | err = ieee80211_register_hw(hw); |
2316 | if (err) { | |
2317 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
2318 | "Can't register mac80211 hw.\n"); | |
574e02ab LF |
2319 | err = -ENODEV; |
2320 | goto fail3; | |
2321 | } | |
38506ece | 2322 | rtlpriv->mac80211.mac80211_registered = 1; |
574e02ab | 2323 | |
0c817338 LF |
2324 | err = sysfs_create_group(&pdev->dev.kobj, &rtl_attribute_group); |
2325 | if (err) { | |
2326 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
f30d7507 | 2327 | "failed to create sysfs device attributes\n"); |
0c817338 LF |
2328 | goto fail3; |
2329 | } | |
2330 | ||
38506ece LF |
2331 | /*init rfkill */ |
2332 | rtl_init_rfkill(hw); /* Init PCI sw */ | |
2333 | ||
0c817338 | 2334 | rtlpci = rtl_pcidev(pcipriv); |
94010fa0 | 2335 | err = rtl_pci_intr_mode_decide(hw); |
0c817338 LF |
2336 | if (err) { |
2337 | RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, | |
f30d7507 JP |
2338 | "%s: failed to register IRQ handler\n", |
2339 | wiphy_name(hw->wiphy)); | |
0c817338 | 2340 | goto fail3; |
0c817338 | 2341 | } |
b0302aba | 2342 | rtlpci->irq_alloc = 1; |
0c817338 | 2343 | |
38506ece | 2344 | set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status); |
0c817338 LF |
2345 | return 0; |
2346 | ||
2347 | fail3: | |
38506ece | 2348 | pci_set_drvdata(pdev, NULL); |
0c817338 | 2349 | rtl_deinit_core(hw); |
0c817338 LF |
2350 | |
2351 | if (rtlpriv->io.pci_mem_start != 0) | |
62e63975 | 2352 | pci_iounmap(pdev, (void __iomem *)rtlpriv->io.pci_mem_start); |
0c817338 LF |
2353 | |
2354 | fail2: | |
2355 | pci_release_regions(pdev); | |
b0302aba | 2356 | complete(&rtlpriv->firmware_loading_complete); |
0c817338 LF |
2357 | |
2358 | fail1: | |
3d86b930 TG |
2359 | if (hw) |
2360 | ieee80211_free_hw(hw); | |
0c817338 LF |
2361 | pci_disable_device(pdev); |
2362 | ||
3d86b930 | 2363 | return err; |
0c817338 LF |
2364 | |
2365 | } | |
2366 | EXPORT_SYMBOL(rtl_pci_probe); | |
2367 | ||
2368 | void rtl_pci_disconnect(struct pci_dev *pdev) | |
2369 | { | |
2370 | struct ieee80211_hw *hw = pci_get_drvdata(pdev); | |
2371 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); | |
2372 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
2373 | struct rtl_pci *rtlpci = rtl_pcidev(pcipriv); | |
2374 | struct rtl_mac *rtlmac = rtl_mac(rtlpriv); | |
2375 | ||
b0302aba LF |
2376 | /* just in case driver is removed before firmware callback */ |
2377 | wait_for_completion(&rtlpriv->firmware_loading_complete); | |
0c817338 LF |
2378 | clear_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status); |
2379 | ||
2380 | sysfs_remove_group(&pdev->dev.kobj, &rtl_attribute_group); | |
2381 | ||
2382 | /*ieee80211_unregister_hw will call ops_stop */ | |
2383 | if (rtlmac->mac80211_registered == 1) { | |
2384 | ieee80211_unregister_hw(hw); | |
2385 | rtlmac->mac80211_registered = 0; | |
2386 | } else { | |
2387 | rtl_deinit_deferred_work(hw); | |
2388 | rtlpriv->intf_ops->adapter_stop(hw); | |
2389 | } | |
44eb65cf | 2390 | rtlpriv->cfg->ops->disable_interrupt(hw); |
0c817338 LF |
2391 | |
2392 | /*deinit rfkill */ | |
2393 | rtl_deinit_rfkill(hw); | |
2394 | ||
2395 | rtl_pci_deinit(hw); | |
2396 | rtl_deinit_core(hw); | |
0c817338 LF |
2397 | rtlpriv->cfg->ops->deinit_sw_vars(hw); |
2398 | ||
2399 | if (rtlpci->irq_alloc) { | |
26634c4b | 2400 | synchronize_irq(rtlpci->pdev->irq); |
0c817338 LF |
2401 | free_irq(rtlpci->pdev->irq, hw); |
2402 | rtlpci->irq_alloc = 0; | |
2403 | } | |
2404 | ||
94010fa0 AL |
2405 | if (rtlpci->using_msi) |
2406 | pci_disable_msi(rtlpci->pdev); | |
2407 | ||
26634c4b | 2408 | list_del(&rtlpriv->list); |
0c817338 | 2409 | if (rtlpriv->io.pci_mem_start != 0) { |
62e63975 | 2410 | pci_iounmap(pdev, (void __iomem *)rtlpriv->io.pci_mem_start); |
0c817338 LF |
2411 | pci_release_regions(pdev); |
2412 | } | |
2413 | ||
2414 | pci_disable_device(pdev); | |
c7cfe38e C |
2415 | |
2416 | rtl_pci_disable_aspm(hw); | |
2417 | ||
38506ece LF |
2418 | pci_set_drvdata(pdev, NULL); |
2419 | ||
0c817338 LF |
2420 | ieee80211_free_hw(hw); |
2421 | } | |
2422 | EXPORT_SYMBOL(rtl_pci_disconnect); | |
2423 | ||
244a77e9 | 2424 | #ifdef CONFIG_PM_SLEEP |
0c817338 LF |
2425 | /*************************************** |
2426 | kernel pci power state define: | |
2427 | PCI_D0 ((pci_power_t __force) 0) | |
2428 | PCI_D1 ((pci_power_t __force) 1) | |
2429 | PCI_D2 ((pci_power_t __force) 2) | |
2430 | PCI_D3hot ((pci_power_t __force) 3) | |
2431 | PCI_D3cold ((pci_power_t __force) 4) | |
2432 | PCI_UNKNOWN ((pci_power_t __force) 5) | |
2433 | ||
2434 | This function is called when system | |
2435 | goes into suspend state mac80211 will | |
2436 | call rtl_mac_stop() from the mac80211 | |
2437 | suspend function first, So there is | |
2438 | no need to call hw_disable here. | |
2439 | ****************************************/ | |
603be388 | 2440 | int rtl_pci_suspend(struct device *dev) |
0c817338 | 2441 | { |
603be388 | 2442 | struct pci_dev *pdev = to_pci_dev(dev); |
c7cfe38e C |
2443 | struct ieee80211_hw *hw = pci_get_drvdata(pdev); |
2444 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
2445 | ||
2446 | rtlpriv->cfg->ops->hw_suspend(hw); | |
2447 | rtl_deinit_rfkill(hw); | |
2448 | ||
0c817338 LF |
2449 | return 0; |
2450 | } | |
2451 | EXPORT_SYMBOL(rtl_pci_suspend); | |
2452 | ||
603be388 | 2453 | int rtl_pci_resume(struct device *dev) |
0c817338 | 2454 | { |
603be388 | 2455 | struct pci_dev *pdev = to_pci_dev(dev); |
c7cfe38e C |
2456 | struct ieee80211_hw *hw = pci_get_drvdata(pdev); |
2457 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
0c817338 | 2458 | |
c7cfe38e C |
2459 | rtlpriv->cfg->ops->hw_resume(hw); |
2460 | rtl_init_rfkill(hw); | |
0c817338 LF |
2461 | return 0; |
2462 | } | |
2463 | EXPORT_SYMBOL(rtl_pci_resume); | |
244a77e9 | 2464 | #endif /* CONFIG_PM_SLEEP */ |
0c817338 LF |
2465 | |
2466 | struct rtl_intf_ops rtl_pci_ops = { | |
c7cfe38e | 2467 | .read_efuse_byte = read_efuse_byte, |
0c817338 LF |
2468 | .adapter_start = rtl_pci_start, |
2469 | .adapter_stop = rtl_pci_stop, | |
26634c4b | 2470 | .check_buddy_priv = rtl_pci_check_buddy_priv, |
0c817338 | 2471 | .adapter_tx = rtl_pci_tx, |
c7cfe38e | 2472 | .flush = rtl_pci_flush, |
0c817338 | 2473 | .reset_trx_ring = rtl_pci_reset_trx_ring, |
c7cfe38e | 2474 | .waitq_insert = rtl_pci_tx_chk_waitq_insert, |
0c817338 LF |
2475 | |
2476 | .disable_aspm = rtl_pci_disable_aspm, | |
2477 | .enable_aspm = rtl_pci_enable_aspm, | |
2478 | }; |