?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
mfd: wm8350-i2c: Make sure the i2c regmap functions are compiled
[linux/fpc-iii.git] / drivers / net / wireless / rtlwifi / rtl8192se / trx.c
blobc240b7591cf0a2742727340a7a5803fd070487f4
1 /******************************************************************************
2 *
3 * Copyright(c) 2009-2012 Realtek Corporation.
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
30 #include "../wifi.h"
31 #include "../pci.h"
32 #include "../base.h"
33 #include "../stats.h"
34 #include "reg.h"
35 #include "def.h"
36 #include "phy.h"
37 #include "fw.h"
38 #include "trx.h"
39 #include "led.h"
40
41 static u8 _rtl92se_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 skb_queue)
42 {
43 __le16 fc = rtl_get_fc(skb);
44
45 if (unlikely(ieee80211_is_beacon(fc)))
46 return QSLT_BEACON;
47 if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
48 return QSLT_MGNT;
49 if (ieee80211_is_nullfunc(fc))
50 return QSLT_HIGH;
51
52 /* Kernel commit 1bf4bbb4024dcdab changed EAPOL packets to use
53 * queue V0 at priority 7; however, the RTL8192SE appears to have
54 * that queue at priority 6
55 */
56 if (skb->priority == 7)
57 return QSLT_VO;
58 return skb->priority;
59 }
60
61 static void _rtl92se_query_rxphystatus(struct ieee80211_hw *hw,
62 struct rtl_stats *pstats, u8 *pdesc,
63 struct rx_fwinfo *p_drvinfo,
64 bool packet_match_bssid,
65 bool packet_toself,
66 bool packet_beacon)
67 {
68 struct rtl_priv *rtlpriv = rtl_priv(hw);
69 struct phy_sts_cck_8192s_t *cck_buf;
70 struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
71 s8 rx_pwr_all = 0, rx_pwr[4];
72 u8 rf_rx_num = 0, evm, pwdb_all;
73 u8 i, max_spatial_stream;
74 u32 rssi, total_rssi = 0;
75 bool is_cck = pstats->is_cck;
76
77 pstats->packet_matchbssid = packet_match_bssid;
78 pstats->packet_toself = packet_toself;
79 pstats->packet_beacon = packet_beacon;
80 pstats->rx_mimo_sig_qual[0] = -1;
81 pstats->rx_mimo_sig_qual[1] = -1;
82
83 if (is_cck) {
84 u8 report, cck_highpwr;
85 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
86
87 if (ppsc->rfpwr_state == ERFON)
88 cck_highpwr = (u8) rtl_get_bbreg(hw,
89 RFPGA0_XA_HSSIPARAMETER2,
90 0x200);
91 else
92 cck_highpwr = false;
93
94 if (!cck_highpwr) {
95 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
96 report = cck_buf->cck_agc_rpt & 0xc0;
97 report = report >> 6;
98 switch (report) {
99 case 0x3:
100 rx_pwr_all = -40 - (cck_agc_rpt & 0x3e);
101 break;
102 case 0x2:
103 rx_pwr_all = -20 - (cck_agc_rpt & 0x3e);
104 break;
105 case 0x1:
106 rx_pwr_all = -2 - (cck_agc_rpt & 0x3e);
107 break;
108 case 0x0:
109 rx_pwr_all = 14 - (cck_agc_rpt & 0x3e);
110 break;
111 }
112 } else {
113 u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
114 report = p_drvinfo->cfosho[0] & 0x60;
115 report = report >> 5;
116 switch (report) {
117 case 0x3:
118 rx_pwr_all = -40 - ((cck_agc_rpt & 0x1f) << 1);
119 break;
120 case 0x2:
121 rx_pwr_all = -20 - ((cck_agc_rpt & 0x1f) << 1);
122 break;
123 case 0x1:
124 rx_pwr_all = -2 - ((cck_agc_rpt & 0x1f) << 1);
125 break;
126 case 0x0:
127 rx_pwr_all = 14 - ((cck_agc_rpt & 0x1f) << 1);
128 break;
129 }
130 }
131
132 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
133
134 /* CCK gain is smaller than OFDM/MCS gain, */
135 /* so we add gain diff by experiences, the val is 6 */
136 pwdb_all += 6;
137 if (pwdb_all > 100)
138 pwdb_all = 100;
139 /* modify the offset to make the same gain index with OFDM. */
140 if (pwdb_all > 34 && pwdb_all <= 42)
141 pwdb_all -= 2;
142 else if (pwdb_all > 26 && pwdb_all <= 34)
143 pwdb_all -= 6;
144 else if (pwdb_all > 14 && pwdb_all <= 26)
145 pwdb_all -= 8;
146 else if (pwdb_all > 4 && pwdb_all <= 14)
147 pwdb_all -= 4;
148
149 pstats->rx_pwdb_all = pwdb_all;
150 pstats->recvsignalpower = rx_pwr_all;
151
152 if (packet_match_bssid) {
153 u8 sq;
154 if (pstats->rx_pwdb_all > 40) {
155 sq = 100;
156 } else {
157 sq = cck_buf->sq_rpt;
158 if (sq > 64)
159 sq = 0;
160 else if (sq < 20)
161 sq = 100;
162 else
163 sq = ((64 - sq) * 100) / 44;
164 }
165
166 pstats->signalquality = sq;
167 pstats->rx_mimo_sig_qual[0] = sq;
168 pstats->rx_mimo_sig_qual[1] = -1;
169 }
170 } else {
171 rtlpriv->dm.rfpath_rxenable[0] =
172 rtlpriv->dm.rfpath_rxenable[1] = true;
173 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
174 if (rtlpriv->dm.rfpath_rxenable[i])
175 rf_rx_num++;
176
177 rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &
178 0x3f) * 2) - 110;
179 rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
180 total_rssi += rssi;
181 rtlpriv->stats.rx_snr_db[i] =
182 (long)(p_drvinfo->rxsnr[i] / 2);
183
184 if (packet_match_bssid)
185 pstats->rx_mimo_signalstrength[i] = (u8) rssi;
186 }
187
188 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
189 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
190 pstats->rx_pwdb_all = pwdb_all;
191 pstats->rxpower = rx_pwr_all;
192 pstats->recvsignalpower = rx_pwr_all;
193
194 if (pstats->is_ht && pstats->rate >= DESC92_RATEMCS8 &&
195 pstats->rate <= DESC92_RATEMCS15)
196 max_spatial_stream = 2;
197 else
198 max_spatial_stream = 1;
199
200 for (i = 0; i < max_spatial_stream; i++) {
201 evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
202
203 if (packet_match_bssid) {
204 if (i == 0)
205 pstats->signalquality = (u8)(evm &
206 0xff);
207 pstats->rx_mimo_sig_qual[i] = (u8) (evm & 0xff);
208 }
209 }
210 }
211
212 if (is_cck)
213 pstats->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
214 pwdb_all));
215 else if (rf_rx_num != 0)
216 pstats->signalstrength = (u8) (rtl_signal_scale_mapping(hw,
217 total_rssi /= rf_rx_num));
218 }
219
220 static void _rtl92se_translate_rx_signal_stuff(struct ieee80211_hw *hw,
221 struct sk_buff *skb, struct rtl_stats *pstats,
222 u8 *pdesc, struct rx_fwinfo *p_drvinfo)
223 {
224 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
225 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
226
227 struct ieee80211_hdr *hdr;
228 u8 *tmp_buf;
229 u8 *praddr;
230 __le16 fc;
231 u16 type, cfc;
232 bool packet_matchbssid, packet_toself, packet_beacon = false;
233
234 tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
235
236 hdr = (struct ieee80211_hdr *)tmp_buf;
237 fc = hdr->frame_control;
238 cfc = le16_to_cpu(fc);
239 type = WLAN_FC_GET_TYPE(fc);
240 praddr = hdr->addr1;
241
242 packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
243 ether_addr_equal(mac->bssid,
244 (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 :
245 (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
246 hdr->addr3) &&
247 (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
248
249 packet_toself = packet_matchbssid &&
250 ether_addr_equal(praddr, rtlefuse->dev_addr);
251
252 if (ieee80211_is_beacon(fc))
253 packet_beacon = true;
254
255 _rtl92se_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
256 packet_matchbssid, packet_toself, packet_beacon);
257 rtl_process_phyinfo(hw, tmp_buf, pstats);
258 }
259
260 bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
261 struct ieee80211_rx_status *rx_status, u8 *pdesc,
262 struct sk_buff *skb)
263 {
264 struct rx_fwinfo *p_drvinfo;
265 u32 phystatus = (u32)GET_RX_STATUS_DESC_PHY_STATUS(pdesc);
266 struct ieee80211_hdr *hdr;
267 bool first_ampdu = false;
268
269 stats->length = (u16)GET_RX_STATUS_DESC_PKT_LEN(pdesc);
270 stats->rx_drvinfo_size = (u8)GET_RX_STATUS_DESC_DRVINFO_SIZE(pdesc) * 8;
271 stats->rx_bufshift = (u8)(GET_RX_STATUS_DESC_SHIFT(pdesc) & 0x03);
272 stats->icv = (u16)GET_RX_STATUS_DESC_ICV(pdesc);
273 stats->crc = (u16)GET_RX_STATUS_DESC_CRC32(pdesc);
274 stats->hwerror = (u16)(stats->crc | stats->icv);
275 stats->decrypted = !GET_RX_STATUS_DESC_SWDEC(pdesc);
276
277 stats->rate = (u8)GET_RX_STATUS_DESC_RX_MCS(pdesc);
278 stats->shortpreamble = (u16)GET_RX_STATUS_DESC_SPLCP(pdesc);
279 stats->isampdu = (bool)(GET_RX_STATUS_DESC_PAGGR(pdesc) == 1);
280 stats->isfirst_ampdu = (bool) ((GET_RX_STATUS_DESC_PAGGR(pdesc) == 1)
281 && (GET_RX_STATUS_DESC_FAGGR(pdesc) == 1));
282 stats->timestamp_low = GET_RX_STATUS_DESC_TSFL(pdesc);
283 stats->rx_is40Mhzpacket = (bool)GET_RX_STATUS_DESC_BW(pdesc);
284 stats->is_ht = (bool)GET_RX_STATUS_DESC_RX_HT(pdesc);
285 stats->is_cck = SE_RX_HAL_IS_CCK_RATE(pdesc);
286
287 if (stats->hwerror)
288 return false;
289
290 rx_status->freq = hw->conf.chandef.chan->center_freq;
291 rx_status->band = hw->conf.chandef.chan->band;
292
293 if (stats->crc)
294 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
295
296 if (stats->rx_is40Mhzpacket)
297 rx_status->flag |= RX_FLAG_40MHZ;
298
299 if (stats->is_ht)
300 rx_status->flag |= RX_FLAG_HT;
301
302 rx_status->flag |= RX_FLAG_MACTIME_START;
303
304 /* hw will set stats->decrypted true, if it finds the
305 * frame is open data frame or mgmt frame,
306 * hw will not decrypt robust managment frame
307 * for IEEE80211w but still set stats->decrypted
308 * true, so here we should set it back to undecrypted
309 * for IEEE80211w frame, and mac80211 sw will help
310 * to decrypt it */
311 if (stats->decrypted) {
312 hdr = (struct ieee80211_hdr *)(skb->data +
313 stats->rx_drvinfo_size + stats->rx_bufshift);
314
315 if (!hdr) {
316 /* during testing, hdr was NULL here */
317 return false;
318 }
319 if ((ieee80211_is_robust_mgmt_frame(hdr)) &&
320 (ieee80211_has_protected(hdr->frame_control)))
321 rx_status->flag &= ~RX_FLAG_DECRYPTED;
322 else
323 rx_status->flag |= RX_FLAG_DECRYPTED;
324 }
325
326 rx_status->rate_idx = rtlwifi_rate_mapping(hw,
327 stats->is_ht, stats->rate, first_ampdu);
328
329 rx_status->mactime = stats->timestamp_low;
330 if (phystatus) {
331 p_drvinfo = (struct rx_fwinfo *)(skb->data +
332 stats->rx_bufshift);
333 _rtl92se_translate_rx_signal_stuff(hw, skb, stats, pdesc,
334 p_drvinfo);
335 }
336
337 /*rx_status->qual = stats->signal; */
338 rx_status->signal = stats->recvsignalpower + 10;
339 /*rx_status->noise = -stats->noise; */
340
341 return true;
342 }
343
344 void rtl92se_tx_fill_desc(struct ieee80211_hw *hw,
345 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
346 struct ieee80211_tx_info *info,
347 struct ieee80211_sta *sta,
348 struct sk_buff *skb,
349 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
350 {
351 struct rtl_priv *rtlpriv = rtl_priv(hw);
352 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
353 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
354 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
355 u8 *pdesc = pdesc_tx;
356 u16 seq_number;
357 __le16 fc = hdr->frame_control;
358 u8 reserved_macid = 0;
359 u8 fw_qsel = _rtl92se_map_hwqueue_to_fwqueue(skb, hw_queue);
360 bool firstseg = (!(hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)));
361 bool lastseg = (!(hdr->frame_control &
362 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)));
363 dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
364 PCI_DMA_TODEVICE);
365 u8 bw_40 = 0;
366
367 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
368 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
369 "DMA mapping error");
370 return;
371 }
372 if (mac->opmode == NL80211_IFTYPE_STATION) {
373 bw_40 = mac->bw_40;
374 } else if (mac->opmode == NL80211_IFTYPE_AP ||
375 mac->opmode == NL80211_IFTYPE_ADHOC) {
376 if (sta)
377 bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
378 }
379
380 seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
381
382 rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
383
384 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE_RTL8192S);
385
386 if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
387 firstseg = true;
388 lastseg = true;
389 }
390
391 if (firstseg) {
392 if (rtlpriv->dm.useramask) {
393 /* set txdesc macId */
394 if (ptcb_desc->mac_id < 32) {
395 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
396 reserved_macid |= ptcb_desc->mac_id;
397 }
398 }
399 SET_TX_DESC_RSVD_MACID(pdesc, reserved_macid);
400
401 SET_TX_DESC_TXHT(pdesc, ((ptcb_desc->hw_rate >=
402 DESC92_RATEMCS0) ? 1 : 0));
403
404 if (rtlhal->version == VERSION_8192S_ACUT) {
405 if (ptcb_desc->hw_rate == DESC92_RATE1M ||
406 ptcb_desc->hw_rate == DESC92_RATE2M ||
407 ptcb_desc->hw_rate == DESC92_RATE5_5M ||
408 ptcb_desc->hw_rate == DESC92_RATE11M) {
409 ptcb_desc->hw_rate = DESC92_RATE12M;
410 }
411 }
412
413 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
414
415 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
416 SET_TX_DESC_TX_SHORT(pdesc, 0);
417
418 /* Aggregation related */
419 if (info->flags & IEEE80211_TX_CTL_AMPDU)
420 SET_TX_DESC_AGG_ENABLE(pdesc, 1);
421
422 /* For AMPDU, we must insert SSN into TX_DESC */
423 SET_TX_DESC_SEQ(pdesc, seq_number);
424
425 /* Protection mode related */
426 /* For 92S, if RTS/CTS are set, HW will execute RTS. */
427 /* We choose only one protection mode to execute */
428 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
429 !ptcb_desc->cts_enable) ? 1 : 0));
430 SET_TX_DESC_CTS_ENABLE(pdesc, ((ptcb_desc->cts_enable) ?
431 1 : 0));
432 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
433
434 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
435 SET_TX_DESC_RTS_BANDWIDTH(pdesc, 0);
436 SET_TX_DESC_RTS_SUB_CARRIER(pdesc, ptcb_desc->rts_sc);
437 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <=
438 DESC92_RATE54M) ?
439 (ptcb_desc->rts_use_shortpreamble ? 1 : 0)
440 : (ptcb_desc->rts_use_shortgi ? 1 : 0)));
441
442
443 /* Set Bandwidth and sub-channel settings. */
444 if (bw_40) {
445 if (ptcb_desc->packet_bw) {
446 SET_TX_DESC_TX_BANDWIDTH(pdesc, 1);
447 /* use duplicated mode */
448 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
449 } else {
450 SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
451 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
452 mac->cur_40_prime_sc);
453 }
454 } else {
455 SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
456 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
457 }
458
459 /* 3 Fill necessary field in First Descriptor */
460 /*DWORD 0*/
461 SET_TX_DESC_LINIP(pdesc, 0);
462 SET_TX_DESC_OFFSET(pdesc, 32);
463 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
464
465 /*DWORD 1*/
466 SET_TX_DESC_RA_BRSR_ID(pdesc, ptcb_desc->ratr_index);
467
468 /* Fill security related */
469 if (info->control.hw_key) {
470 struct ieee80211_key_conf *keyconf;
471
472 keyconf = info->control.hw_key;
473 switch (keyconf->cipher) {
474 case WLAN_CIPHER_SUITE_WEP40:
475 case WLAN_CIPHER_SUITE_WEP104:
476 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
477 break;
478 case WLAN_CIPHER_SUITE_TKIP:
479 SET_TX_DESC_SEC_TYPE(pdesc, 0x2);
480 break;
481 case WLAN_CIPHER_SUITE_CCMP:
482 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
483 break;
484 default:
485 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
486 break;
487
488 }
489 }
490
491 /* Set Packet ID */
492 SET_TX_DESC_PACKET_ID(pdesc, 0);
493
494 /* We will assign magement queue to BK. */
495 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
496
497 /* Alwasy enable all rate fallback range */
498 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
499
500 /* Fix: I don't kown why hw use 6.5M to tx when set it */
501 SET_TX_DESC_USER_RATE(pdesc,
502 ptcb_desc->use_driver_rate ? 1 : 0);
503
504 /* Set NON_QOS bit. */
505 if (!ieee80211_is_data_qos(fc))
506 SET_TX_DESC_NON_QOS(pdesc, 1);
507
508 }
509
510 /* Fill fields that are required to be initialized
511 * in all of the descriptors */
512 /*DWORD 0 */
513 SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
514 SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
515
516 /* DWORD 7 */
517 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
518
519 /* DOWRD 8 */
520 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
521
522 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
523 }
524
525 void rtl92se_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc,
526 bool firstseg, bool lastseg, struct sk_buff *skb)
527 {
528 struct rtl_priv *rtlpriv = rtl_priv(hw);
529 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
530 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
531 struct rtl_tcb_desc *tcb_desc = (struct rtl_tcb_desc *)(skb->cb);
532
533 dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
534 PCI_DMA_TODEVICE);
535
536 if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
537 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
538 "DMA mapping error");
539 return;
540 }
541 /* Clear all status */
542 CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_CMDDESC_SIZE_RTL8192S);
543
544 /* This bit indicate this packet is used for FW download. */
545 if (tcb_desc->cmd_or_init == DESC_PACKET_TYPE_INIT) {
546 /* For firmware downlaod we only need to set LINIP */
547 SET_TX_DESC_LINIP(pdesc, tcb_desc->last_inipkt);
548
549 /* 92SE must set as 1 for firmware download HW DMA error */
550 SET_TX_DESC_FIRST_SEG(pdesc, 1);
551 SET_TX_DESC_LAST_SEG(pdesc, 1);
552
553 /* 92SE need not to set TX packet size when firmware download */
554 SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
555 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
556 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
557
558 wmb();
559 SET_TX_DESC_OWN(pdesc, 1);
560 } else { /* H2C Command Desc format (Host TXCMD) */
561 /* 92SE must set as 1 for firmware download HW DMA error */
562 SET_TX_DESC_FIRST_SEG(pdesc, 1);
563 SET_TX_DESC_LAST_SEG(pdesc, 1);
564
565 SET_TX_DESC_OFFSET(pdesc, 0x20);
566
567 /* Buffer size + command header */
568 SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
569 /* Fixed queue of H2C command */
570 SET_TX_DESC_QUEUE_SEL(pdesc, 0x13);
571
572 SET_BITS_TO_LE_4BYTE(skb->data, 24, 7, rtlhal->h2c_txcmd_seq);
573
574 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
575 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
576
577 wmb();
578 SET_TX_DESC_OWN(pdesc, 1);
579
580 }
581 }
582
583 void rtl92se_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
584 {
585 if (istx) {
586 switch (desc_name) {
587 case HW_DESC_OWN:
588 wmb();
589 SET_TX_DESC_OWN(pdesc, 1);
590 break;
591 case HW_DESC_TX_NEXTDESC_ADDR:
592 SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
593 break;
594 default:
595 RT_ASSERT(false, "ERR txdesc :%d not process\n",
596 desc_name);
597 break;
598 }
599 } else {
600 switch (desc_name) {
601 case HW_DESC_RXOWN:
602 wmb();
603 SET_RX_STATUS_DESC_OWN(pdesc, 1);
604 break;
605 case HW_DESC_RXBUFF_ADDR:
606 SET_RX_STATUS__DESC_BUFF_ADDR(pdesc, *(u32 *) val);
607 break;
608 case HW_DESC_RXPKT_LEN:
609 SET_RX_STATUS_DESC_PKT_LEN(pdesc, *(u32 *) val);
610 break;
611 case HW_DESC_RXERO:
612 SET_RX_STATUS_DESC_EOR(pdesc, 1);
613 break;
614 default:
615 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
616 desc_name);
617 break;
618 }
619 }
620 }
621
622 u32 rtl92se_get_desc(u8 *desc, bool istx, u8 desc_name)
623 {
624 u32 ret = 0;
625
626 if (istx) {
627 switch (desc_name) {
628 case HW_DESC_OWN:
629 ret = GET_TX_DESC_OWN(desc);
630 break;
631 case HW_DESC_TXBUFF_ADDR:
632 ret = GET_TX_DESC_TX_BUFFER_ADDRESS(desc);
633 break;
634 default:
635 RT_ASSERT(false, "ERR txdesc :%d not process\n",
636 desc_name);
637 break;
638 }
639 } else {
640 switch (desc_name) {
641 case HW_DESC_OWN:
642 ret = GET_RX_STATUS_DESC_OWN(desc);
643 break;
644 case HW_DESC_RXPKT_LEN:
645 ret = GET_RX_STATUS_DESC_PKT_LEN(desc);
646 break;
647 default:
648 RT_ASSERT(false, "ERR rxdesc :%d not process\n",
649 desc_name);
650 break;
651 }
652 }
653 return ret;
654 }
655
656 void rtl92se_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
657 {
658 struct rtl_priv *rtlpriv = rtl_priv(hw);
659 rtl_write_word(rtlpriv, TP_POLL, BIT(0) << (hw_queue));
660 }
Linux with added FPC-III support