1 /******************************************************************************
2 *
3 * Copyright(c) 2009-2010 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 "reg.h"
32 #include "def.h"
33 #include "phy.h"
34 #include "rf.h"
35 #include "dm.h"
36
37 static bool _rtl92ce_phy_rf6052_config_parafile(struct ieee80211_hw *hw);
38
rtl92ce_phy_rf6052_set_bandwidth(struct ieee80211_hw * hw,u8 bandwidth)39 void rtl92ce_phy_rf6052_set_bandwidth(struct ieee80211_hw *hw, u8 bandwidth)
40 {
41 struct rtl_priv *rtlpriv = rtl_priv(hw);
42 struct rtl_phy *rtlphy = &(rtlpriv->phy);
43
44 switch (bandwidth) {
45 case HT_CHANNEL_WIDTH_20:
46 rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
47 0xfffff3ff) | 0x0400);
48 rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
49 rtlphy->rfreg_chnlval[0]);
50 break;
51 case HT_CHANNEL_WIDTH_20_40:
52 rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
53 0xfffff3ff));
54 rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
55 rtlphy->rfreg_chnlval[0]);
56 break;
57 default:
58 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
59 ("unknown bandwidth: %#X\n", bandwidth));
60 break;
61 }
62 }
63
rtl92ce_phy_rf6052_set_cck_txpower(struct ieee80211_hw * hw,u8 * ppowerlevel)64 void rtl92ce_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw,
65 u8 *ppowerlevel)
66 {
67 struct rtl_priv *rtlpriv = rtl_priv(hw);
68 struct rtl_phy *rtlphy = &(rtlpriv->phy);
69 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
70 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
71 u32 tx_agc[2] = {0, 0}, tmpval;
72 bool turbo_scanoff = false;
73 u8 idx1, idx2;
74 u8 *ptr;
75
76 if (rtlefuse->eeprom_regulatory != 0)
77 turbo_scanoff = true;
78
79 if (mac->act_scanning) {
80 tx_agc[RF90_PATH_A] = 0x3f3f3f3f;
81 tx_agc[RF90_PATH_B] = 0x3f3f3f3f;
82
83 if (turbo_scanoff) {
84 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
85 tx_agc[idx1] = ppowerlevel[idx1] |
86 (ppowerlevel[idx1] << 8) |
87 (ppowerlevel[idx1] << 16) |
88 (ppowerlevel[idx1] << 24);
89 }
90 }
91 } else {
92 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
93 tx_agc[idx1] = ppowerlevel[idx1] |
94 (ppowerlevel[idx1] << 8) |
95 (ppowerlevel[idx1] << 16) |
96 (ppowerlevel[idx1] << 24);
97 }
98
99 if (rtlefuse->eeprom_regulatory == 0) {
100 tmpval =
101 (rtlphy->mcs_txpwrlevel_origoffset[0][6]) +
102 (rtlphy->mcs_txpwrlevel_origoffset[0][7] <<
103 8);
104 tx_agc[RF90_PATH_A] += tmpval;
105
106 tmpval = (rtlphy->mcs_txpwrlevel_origoffset[0][14]) +
107 (rtlphy->mcs_txpwrlevel_origoffset[0][15] <<
108 24);
109 tx_agc[RF90_PATH_B] += tmpval;
110 }
111 }
112
113 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
114 ptr = (u8 *) (&(tx_agc[idx1]));
115 for (idx2 = 0; idx2 < 4; idx2++) {
116 if (*ptr > RF6052_MAX_TX_PWR)
117 *ptr = RF6052_MAX_TX_PWR;
118 ptr++;
119 }
120 }
121
122 tmpval = tx_agc[RF90_PATH_A] & 0xff;
123 rtl_set_bbreg(hw, RTXAGC_A_CCK1_MCS32, MASKBYTE1, tmpval);
124
125 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
126 ("CCK PWR 1M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
127 RTXAGC_A_CCK1_MCS32));
128
129 tmpval = tx_agc[RF90_PATH_A] >> 8;
130
131 tmpval = tmpval & 0xff00ffff;
132
133 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, 0xffffff00, tmpval);
134
135 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
136 ("CCK PWR 2~11M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
137 RTXAGC_B_CCK11_A_CCK2_11));
138
139 tmpval = tx_agc[RF90_PATH_B] >> 24;
140 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, MASKBYTE0, tmpval);
141
142 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
143 ("CCK PWR 11M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
144 RTXAGC_B_CCK11_A_CCK2_11));
145
146 tmpval = tx_agc[RF90_PATH_B] & 0x00ffffff;
147 rtl_set_bbreg(hw, RTXAGC_B_CCK1_55_MCS32, 0xffffff00, tmpval);
148
149 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
150 ("CCK PWR 1~5.5M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
151 RTXAGC_B_CCK1_55_MCS32));
152 }
153
rtl92c_phy_get_power_base(struct ieee80211_hw * hw,u8 * ppowerlevel,u8 channel,u32 * ofdmbase,u32 * mcsbase)154 static void rtl92c_phy_get_power_base(struct ieee80211_hw *hw,
155 u8 *ppowerlevel, u8 channel,
156 u32 *ofdmbase, u32 *mcsbase)
157 {
158 struct rtl_priv *rtlpriv = rtl_priv(hw);
159 struct rtl_phy *rtlphy = &(rtlpriv->phy);
160 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
161 u32 powerBase0, powerBase1;
162 u8 legacy_pwrdiff, ht20_pwrdiff;
163 u8 i, powerlevel[2];
164
165 for (i = 0; i < 2; i++) {
166 powerlevel[i] = ppowerlevel[i];
167 legacy_pwrdiff = rtlefuse->txpwr_legacyhtdiff[i][channel - 1];
168 powerBase0 = powerlevel[i] + legacy_pwrdiff;
169
170 powerBase0 = (powerBase0 << 24) | (powerBase0 << 16) |
171 (powerBase0 << 8) | powerBase0;
172 *(ofdmbase + i) = powerBase0;
173 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
174 (" [OFDM power base index rf(%c) = 0x%x]\n",
175 ((i == 0) ? 'A' : 'B'), *(ofdmbase + i)));
176 }
177
178 for (i = 0; i < 2; i++) {
179 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20) {
180 ht20_pwrdiff = rtlefuse->txpwr_ht20diff[i][channel - 1];
181 powerlevel[i] += ht20_pwrdiff;
182 }
183 powerBase1 = powerlevel[i];
184 powerBase1 = (powerBase1 << 24) |
185 (powerBase1 << 16) | (powerBase1 << 8) | powerBase1;
186
187 *(mcsbase + i) = powerBase1;
188
189 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
190 (" [MCS power base index rf(%c) = 0x%x]\n",
191 ((i == 0) ? 'A' : 'B'), *(mcsbase + i)));
192 }
193 }
194
_rtl92c_get_txpower_writeval_by_regulatory(struct ieee80211_hw * hw,u8 channel,u8 index,u32 * powerBase0,u32 * powerBase1,u32 * p_outwriteval)195 static void _rtl92c_get_txpower_writeval_by_regulatory(struct ieee80211_hw *hw,
196 u8 channel, u8 index,
197 u32 *powerBase0,
198 u32 *powerBase1,
199 u32 *p_outwriteval)
200 {
201 struct rtl_priv *rtlpriv = rtl_priv(hw);
202 struct rtl_phy *rtlphy = &(rtlpriv->phy);
203 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
204 u8 i, chnlgroup = 0, pwr_diff_limit[4];
205 u32 writeVal, customer_limit, rf;
206
207 for (rf = 0; rf < 2; rf++) {
208 switch (rtlefuse->eeprom_regulatory) {
209 case 0:
210 chnlgroup = 0;
211
212 writeVal =
213 rtlphy->mcs_txpwrlevel_origoffset[chnlgroup][index +
214 (rf ? 8 : 0)]
215 + ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
216
217 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
218 ("RTK better performance, "
219 "writeVal(%c) = 0x%x\n",
220 ((rf == 0) ? 'A' : 'B'), writeVal));
221 break;
222 case 1:
223 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
224 writeVal = ((index < 2) ? powerBase0[rf] :
225 powerBase1[rf]);
226
227 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
228 ("Realtek regulatory, 40MHz, "
229 "writeVal(%c) = 0x%x\n",
230 ((rf == 0) ? 'A' : 'B'), writeVal));
231 } else {
232 if (rtlphy->pwrgroup_cnt == 1)
233 chnlgroup = 0;
234 if (rtlphy->pwrgroup_cnt >= 3) {
235 if (channel <= 3)
236 chnlgroup = 0;
237 else if (channel >= 4 && channel <= 9)
238 chnlgroup = 1;
239 else if (channel > 9)
240 chnlgroup = 2;
241 if (rtlphy->pwrgroup_cnt == 4)
242 chnlgroup++;
243 }
244
245 writeVal =
246 rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
247 [index + (rf ? 8 : 0)] + ((index < 2) ?
248 powerBase0[rf] :
249 powerBase1[rf]);
250
251 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
252 ("Realtek regulatory, 20MHz, "
253 "writeVal(%c) = 0x%x\n",
254 ((rf == 0) ? 'A' : 'B'), writeVal));
255 }
256 break;
257 case 2:
258 writeVal =
259 ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
260
261 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
262 ("Better regulatory, "
263 "writeVal(%c) = 0x%x\n",
264 ((rf == 0) ? 'A' : 'B'), writeVal));
265 break;
266 case 3:
267 chnlgroup = 0;
268
269 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
270 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
271 ("customer's limit, 40MHz "
272 "rf(%c) = 0x%x\n",
273 ((rf == 0) ? 'A' : 'B'),
274 rtlefuse->pwrgroup_ht40[rf][channel -
275 1]));
276 } else {
277 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
278 ("customer's limit, 20MHz "
279 "rf(%c) = 0x%x\n",
280 ((rf == 0) ? 'A' : 'B'),
281 rtlefuse->pwrgroup_ht20[rf][channel -
282 1]));
283 }
284 for (i = 0; i < 4; i++) {
285 pwr_diff_limit[i] =
286 (u8) ((rtlphy->mcs_txpwrlevel_origoffset
287 [chnlgroup][index +
288 (rf ? 8 : 0)] & (0x7f << (i * 8))) >>
289 (i * 8));
290
291 if (rtlphy->current_chan_bw ==
292 HT_CHANNEL_WIDTH_20_40) {
293 if (pwr_diff_limit[i] >
294 rtlefuse->
295 pwrgroup_ht40[rf][channel - 1])
296 pwr_diff_limit[i] =
297 rtlefuse->pwrgroup_ht40[rf]
298 [channel - 1];
299 } else {
300 if (pwr_diff_limit[i] >
301 rtlefuse->
302 pwrgroup_ht20[rf][channel - 1])
303 pwr_diff_limit[i] =
304 rtlefuse->pwrgroup_ht20[rf]
305 [channel - 1];
306 }
307 }
308
309 customer_limit = (pwr_diff_limit[3] << 24) |
310 (pwr_diff_limit[2] << 16) |
311 (pwr_diff_limit[1] << 8) | (pwr_diff_limit[0]);
312
313 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
314 ("Customer's limit rf(%c) = 0x%x\n",
315 ((rf == 0) ? 'A' : 'B'), customer_limit));
316
317 writeVal = customer_limit +
318 ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
319
320 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
321 ("Customer, writeVal rf(%c)= 0x%x\n",
322 ((rf == 0) ? 'A' : 'B'), writeVal));
323 break;
324 default:
325 chnlgroup = 0;
326 writeVal =
327 rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
328 [index + (rf ? 8 : 0)]
329 + ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
330
331 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
332 ("RTK better performance, writeVal "
333 "rf(%c) = 0x%x\n",
334 ((rf == 0) ? 'A' : 'B'), writeVal));
335 break;
336 }
337
338 if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
339 writeVal = writeVal - 0x06060606;
340 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
341 TXHIGHPWRLEVEL_BT2)
342 writeVal = writeVal - 0x0c0c0c0c;
343 *(p_outwriteval + rf) = writeVal;
344 }
345 }
346
_rtl92c_write_ofdm_power_reg(struct ieee80211_hw * hw,u8 index,u32 * pValue)347 static void _rtl92c_write_ofdm_power_reg(struct ieee80211_hw *hw,
348 u8 index, u32 *pValue)
349 {
350 struct rtl_priv *rtlpriv = rtl_priv(hw);
351 struct rtl_phy *rtlphy = &(rtlpriv->phy);
352
353 u16 regoffset_a[6] = {
354 RTXAGC_A_RATE18_06, RTXAGC_A_RATE54_24,
355 RTXAGC_A_MCS03_MCS00, RTXAGC_A_MCS07_MCS04,
356 RTXAGC_A_MCS11_MCS08, RTXAGC_A_MCS15_MCS12
357 };
358 u16 regoffset_b[6] = {
359 RTXAGC_B_RATE18_06, RTXAGC_B_RATE54_24,
360 RTXAGC_B_MCS03_MCS00, RTXAGC_B_MCS07_MCS04,
361 RTXAGC_B_MCS11_MCS08, RTXAGC_B_MCS15_MCS12
362 };
363 u8 i, rf, pwr_val[4];
364 u32 writeVal;
365 u16 regoffset;
366
367 for (rf = 0; rf < 2; rf++) {
368 writeVal = pValue[rf];
369 for (i = 0; i < 4; i++) {
370 pwr_val[i] = (u8) ((writeVal & (0x7f <<
371 (i * 8))) >> (i * 8));
372
373 if (pwr_val[i] > RF6052_MAX_TX_PWR)
374 pwr_val[i] = RF6052_MAX_TX_PWR;
375 }
376 writeVal = (pwr_val[3] << 24) | (pwr_val[2] << 16) |
377 (pwr_val[1] << 8) | pwr_val[0];
378
379 if (rf == 0)
380 regoffset = regoffset_a[index];
381 else
382 regoffset = regoffset_b[index];
383 rtl_set_bbreg(hw, regoffset, MASKDWORD, writeVal);
384
385 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
386 ("Set 0x%x = %08x\n", regoffset, writeVal));
387
388 if (((get_rf_type(rtlphy) == RF_2T2R) &&
389 (regoffset == RTXAGC_A_MCS15_MCS12 ||
390 regoffset == RTXAGC_B_MCS15_MCS12)) ||
391 ((get_rf_type(rtlphy) != RF_2T2R) &&
392 (regoffset == RTXAGC_A_MCS07_MCS04 ||
393 regoffset == RTXAGC_B_MCS07_MCS04))) {
394
395 writeVal = pwr_val[3];
396 if (regoffset == RTXAGC_A_MCS15_MCS12 ||
397 regoffset == RTXAGC_A_MCS07_MCS04)
398 regoffset = 0xc90;
399 if (regoffset == RTXAGC_B_MCS15_MCS12 ||
400 regoffset == RTXAGC_B_MCS07_MCS04)
401 regoffset = 0xc98;
402
403 for (i = 0; i < 3; i++) {
404 writeVal = (writeVal > 6) ? (writeVal - 6) : 0;
405 rtl_write_byte(rtlpriv, (u32) (regoffset + i),
406 (u8) writeVal);
407 }
408 }
409 }
410 }
411
rtl92ce_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw * hw,u8 * ppowerlevel,u8 channel)412 void rtl92ce_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw,
413 u8 *ppowerlevel, u8 channel)
414 {
415 u32 writeVal[2], powerBase0[2], powerBase1[2];
416 u8 index;
417
418 rtl92c_phy_get_power_base(hw, ppowerlevel,
419 channel, &powerBase0[0], &powerBase1[0]);
420
421 for (index = 0; index < 6; index++) {
422 _rtl92c_get_txpower_writeval_by_regulatory(hw,
423 channel, index,
424 &powerBase0[0],
425 &powerBase1[0],
426 &writeVal[0]);
427
428 _rtl92c_write_ofdm_power_reg(hw, index, &writeVal[0]);
429 }
430 }
431
rtl92ce_phy_rf6052_config(struct ieee80211_hw * hw)432 bool rtl92ce_phy_rf6052_config(struct ieee80211_hw *hw)
433 {
434 struct rtl_priv *rtlpriv = rtl_priv(hw);
435 struct rtl_phy *rtlphy = &(rtlpriv->phy);
436
437 if (rtlphy->rf_type == RF_1T1R)
438 rtlphy->num_total_rfpath = 1;
439 else
440 rtlphy->num_total_rfpath = 2;
441
442 return _rtl92ce_phy_rf6052_config_parafile(hw);
443
444 }
445
_rtl92ce_phy_rf6052_config_parafile(struct ieee80211_hw * hw)446 static bool _rtl92ce_phy_rf6052_config_parafile(struct ieee80211_hw *hw)
447 {
448 struct rtl_priv *rtlpriv = rtl_priv(hw);
449 struct rtl_phy *rtlphy = &(rtlpriv->phy);
450 u32 u4_regvalue = 0;
451 u8 rfpath;
452 bool rtstatus = true;
453 struct bb_reg_def *pphyreg;
454
455 for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) {
456
457 pphyreg = &rtlphy->phyreg_def[rfpath];
458
459 switch (rfpath) {
460 case RF90_PATH_A:
461 case RF90_PATH_C:
462 u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
463 BRFSI_RFENV);
464 break;
465 case RF90_PATH_B:
466 case RF90_PATH_D:
467 u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
468 BRFSI_RFENV << 16);
469 break;
470 }
471
472 rtl_set_bbreg(hw, pphyreg->rfintfe, BRFSI_RFENV << 16, 0x1);
473 udelay(1);
474
475 rtl_set_bbreg(hw, pphyreg->rfintfo, BRFSI_RFENV, 0x1);
476 udelay(1);
477
478 rtl_set_bbreg(hw, pphyreg->rfhssi_para2,
479 B3WIREADDREAALENGTH, 0x0);
480 udelay(1);
481
482 rtl_set_bbreg(hw, pphyreg->rfhssi_para2, B3WIREDATALENGTH, 0x0);
483 udelay(1);
484
485 switch (rfpath) {
486 case RF90_PATH_A:
487 rtstatus = rtl92c_phy_config_rf_with_headerfile(hw,
488 (enum radio_path)rfpath);
489 break;
490 case RF90_PATH_B:
491 rtstatus = rtl92c_phy_config_rf_with_headerfile(hw,
492 (enum radio_path)rfpath);
493 break;
494 case RF90_PATH_C:
495 break;
496 case RF90_PATH_D:
497 break;
498 }
499
500 switch (rfpath) {
501 case RF90_PATH_A:
502 case RF90_PATH_C:
503 rtl_set_bbreg(hw, pphyreg->rfintfs,
504 BRFSI_RFENV, u4_regvalue);
505 break;
506 case RF90_PATH_B:
507 case RF90_PATH_D:
508 rtl_set_bbreg(hw, pphyreg->rfintfs,
509 BRFSI_RFENV << 16, u4_regvalue);
510 break;
511 }
512
513 if (rtstatus != true) {
514 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
515 ("Radio[%d] Fail!!", rfpath));
516 return false;
517 }
518
519 }
520
521 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, ("<---\n"));
522 return rtstatus;
523 }
524