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 "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",
127 tmpval, 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",
137 tmpval, 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",
144 tmpval, 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",
151 tmpval, 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, writeVal(%c) = 0x%x\n",
219 rf == 0 ? 'A' : 'B', writeVal);
220 break;
221 case 1:
222 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
223 writeVal = ((index < 2) ? powerBase0[rf] :
224 powerBase1[rf]);
225
226 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
227 "Realtek regulatory, 40MHz, writeVal(%c) = 0x%x\n",
228 rf == 0 ? 'A' : 'B', writeVal);
229 } else {
230 if (rtlphy->pwrgroup_cnt == 1)
231 chnlgroup = 0;
232 if (rtlphy->pwrgroup_cnt >= 3) {
233 if (channel <= 3)
234 chnlgroup = 0;
235 else if (channel >= 4 && channel <= 9)
236 chnlgroup = 1;
237 else if (channel > 9)
238 chnlgroup = 2;
239 if (rtlphy->pwrgroup_cnt == 4)
240 chnlgroup++;
241 }
242
243 writeVal =
244 rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
245 [index + (rf ? 8 : 0)] + ((index < 2) ?
246 powerBase0[rf] :
247 powerBase1[rf]);
248
249 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
250 "Realtek regulatory, 20MHz, writeVal(%c) = 0x%x\n",
251 rf == 0 ? 'A' : 'B', writeVal);
252 }
253 break;
254 case 2:
255 writeVal =
256 ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
257
258 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
259 "Better regulatory, writeVal(%c) = 0x%x\n",
260 rf == 0 ? 'A' : 'B', writeVal);
261 break;
262 case 3:
263 chnlgroup = 0;
264
265 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
266 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
267 "customer's limit, 40MHz rf(%c) = 0x%x\n",
268 rf == 0 ? 'A' : 'B',
269 rtlefuse->pwrgroup_ht40[rf][channel -
270 1]);
271 } else {
272 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
273 "customer's limit, 20MHz rf(%c) = 0x%x\n",
274 rf == 0 ? 'A' : 'B',
275 rtlefuse->pwrgroup_ht20[rf][channel -
276 1]);
277 }
278 for (i = 0; i < 4; i++) {
279 pwr_diff_limit[i] =
280 (u8) ((rtlphy->mcs_txpwrlevel_origoffset
281 [chnlgroup][index +
282 (rf ? 8 : 0)] & (0x7f << (i * 8))) >>
283 (i * 8));
284
285 if (rtlphy->current_chan_bw ==
286 HT_CHANNEL_WIDTH_20_40) {
287 if (pwr_diff_limit[i] >
288 rtlefuse->
289 pwrgroup_ht40[rf][channel - 1])
290 pwr_diff_limit[i] =
291 rtlefuse->pwrgroup_ht40[rf]
292 [channel - 1];
293 } else {
294 if (pwr_diff_limit[i] >
295 rtlefuse->
296 pwrgroup_ht20[rf][channel - 1])
297 pwr_diff_limit[i] =
298 rtlefuse->pwrgroup_ht20[rf]
299 [channel - 1];
300 }
301 }
302
303 customer_limit = (pwr_diff_limit[3] << 24) |
304 (pwr_diff_limit[2] << 16) |
305 (pwr_diff_limit[1] << 8) | (pwr_diff_limit[0]);
306
307 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
308 "Customer's limit rf(%c) = 0x%x\n",
309 rf == 0 ? 'A' : 'B', customer_limit);
310
311 writeVal = customer_limit +
312 ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
313
314 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
315 "Customer, writeVal rf(%c)= 0x%x\n",
316 rf == 0 ? 'A' : 'B', writeVal);
317 break;
318 default:
319 chnlgroup = 0;
320 writeVal =
321 rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
322 [index + (rf ? 8 : 0)]
323 + ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
324
325 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
326 "RTK better performance, writeVal rf(%c) = 0x%x\n",
327 rf == 0 ? 'A' : 'B', writeVal);
328 break;
329 }
330
331 if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
332 writeVal = writeVal - 0x06060606;
333 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
334 TXHIGHPWRLEVEL_BT2)
335 writeVal = writeVal - 0x0c0c0c0c;
336 *(p_outwriteval + rf) = writeVal;
337 }
338 }
339
_rtl92c_write_ofdm_power_reg(struct ieee80211_hw * hw,u8 index,u32 * pValue)340 static void _rtl92c_write_ofdm_power_reg(struct ieee80211_hw *hw,
341 u8 index, u32 *pValue)
342 {
343 struct rtl_priv *rtlpriv = rtl_priv(hw);
344 struct rtl_phy *rtlphy = &(rtlpriv->phy);
345
346 u16 regoffset_a[6] = {
347 RTXAGC_A_RATE18_06, RTXAGC_A_RATE54_24,
348 RTXAGC_A_MCS03_MCS00, RTXAGC_A_MCS07_MCS04,
349 RTXAGC_A_MCS11_MCS08, RTXAGC_A_MCS15_MCS12
350 };
351 u16 regoffset_b[6] = {
352 RTXAGC_B_RATE18_06, RTXAGC_B_RATE54_24,
353 RTXAGC_B_MCS03_MCS00, RTXAGC_B_MCS07_MCS04,
354 RTXAGC_B_MCS11_MCS08, RTXAGC_B_MCS15_MCS12
355 };
356 u8 i, rf, pwr_val[4];
357 u32 writeVal;
358 u16 regoffset;
359
360 for (rf = 0; rf < 2; rf++) {
361 writeVal = pValue[rf];
362 for (i = 0; i < 4; i++) {
363 pwr_val[i] = (u8) ((writeVal & (0x7f <<
364 (i * 8))) >> (i * 8));
365
366 if (pwr_val[i] > RF6052_MAX_TX_PWR)
367 pwr_val[i] = RF6052_MAX_TX_PWR;
368 }
369 writeVal = (pwr_val[3] << 24) | (pwr_val[2] << 16) |
370 (pwr_val[1] << 8) | pwr_val[0];
371
372 if (rf == 0)
373 regoffset = regoffset_a[index];
374 else
375 regoffset = regoffset_b[index];
376 rtl_set_bbreg(hw, regoffset, MASKDWORD, writeVal);
377
378 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
379 "Set 0x%x = %08x\n", regoffset, writeVal);
380
381 if (((get_rf_type(rtlphy) == RF_2T2R) &&
382 (regoffset == RTXAGC_A_MCS15_MCS12 ||
383 regoffset == RTXAGC_B_MCS15_MCS12)) ||
384 ((get_rf_type(rtlphy) != RF_2T2R) &&
385 (regoffset == RTXAGC_A_MCS07_MCS04 ||
386 regoffset == RTXAGC_B_MCS07_MCS04))) {
387
388 writeVal = pwr_val[3];
389 if (regoffset == RTXAGC_A_MCS15_MCS12 ||
390 regoffset == RTXAGC_A_MCS07_MCS04)
391 regoffset = 0xc90;
392 if (regoffset == RTXAGC_B_MCS15_MCS12 ||
393 regoffset == RTXAGC_B_MCS07_MCS04)
394 regoffset = 0xc98;
395
396 for (i = 0; i < 3; i++) {
397 writeVal = (writeVal > 6) ? (writeVal - 6) : 0;
398 rtl_write_byte(rtlpriv, (u32) (regoffset + i),
399 (u8) writeVal);
400 }
401 }
402 }
403 }
404
rtl92ce_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw * hw,u8 * ppowerlevel,u8 channel)405 void rtl92ce_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw,
406 u8 *ppowerlevel, u8 channel)
407 {
408 u32 writeVal[2], powerBase0[2], powerBase1[2];
409 u8 index;
410
411 rtl92c_phy_get_power_base(hw, ppowerlevel,
412 channel, &powerBase0[0], &powerBase1[0]);
413
414 for (index = 0; index < 6; index++) {
415 _rtl92c_get_txpower_writeval_by_regulatory(hw,
416 channel, index,
417 &powerBase0[0],
418 &powerBase1[0],
419 &writeVal[0]);
420
421 _rtl92c_write_ofdm_power_reg(hw, index, &writeVal[0]);
422 }
423 }
424
rtl92ce_phy_rf6052_config(struct ieee80211_hw * hw)425 bool rtl92ce_phy_rf6052_config(struct ieee80211_hw *hw)
426 {
427 struct rtl_priv *rtlpriv = rtl_priv(hw);
428 struct rtl_phy *rtlphy = &(rtlpriv->phy);
429
430 if (rtlphy->rf_type == RF_1T1R)
431 rtlphy->num_total_rfpath = 1;
432 else
433 rtlphy->num_total_rfpath = 2;
434
435 return _rtl92ce_phy_rf6052_config_parafile(hw);
436
437 }
438
_rtl92ce_phy_rf6052_config_parafile(struct ieee80211_hw * hw)439 static bool _rtl92ce_phy_rf6052_config_parafile(struct ieee80211_hw *hw)
440 {
441 struct rtl_priv *rtlpriv = rtl_priv(hw);
442 struct rtl_phy *rtlphy = &(rtlpriv->phy);
443 u32 u4_regvalue = 0;
444 u8 rfpath;
445 bool rtstatus = true;
446 struct bb_reg_def *pphyreg;
447
448 for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) {
449
450 pphyreg = &rtlphy->phyreg_def[rfpath];
451
452 switch (rfpath) {
453 case RF90_PATH_A:
454 case RF90_PATH_C:
455 u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
456 BRFSI_RFENV);
457 break;
458 case RF90_PATH_B:
459 case RF90_PATH_D:
460 u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
461 BRFSI_RFENV << 16);
462 break;
463 }
464
465 rtl_set_bbreg(hw, pphyreg->rfintfe, BRFSI_RFENV << 16, 0x1);
466 udelay(1);
467
468 rtl_set_bbreg(hw, pphyreg->rfintfo, BRFSI_RFENV, 0x1);
469 udelay(1);
470
471 rtl_set_bbreg(hw, pphyreg->rfhssi_para2,
472 B3WIREADDREAALENGTH, 0x0);
473 udelay(1);
474
475 rtl_set_bbreg(hw, pphyreg->rfhssi_para2, B3WIREDATALENGTH, 0x0);
476 udelay(1);
477
478 switch (rfpath) {
479 case RF90_PATH_A:
480 rtstatus = rtl92c_phy_config_rf_with_headerfile(hw,
481 (enum radio_path)rfpath);
482 break;
483 case RF90_PATH_B:
484 rtstatus = rtl92c_phy_config_rf_with_headerfile(hw,
485 (enum radio_path)rfpath);
486 break;
487 case RF90_PATH_C:
488 break;
489 case RF90_PATH_D:
490 break;
491 }
492
493 switch (rfpath) {
494 case RF90_PATH_A:
495 case RF90_PATH_C:
496 rtl_set_bbreg(hw, pphyreg->rfintfs,
497 BRFSI_RFENV, u4_regvalue);
498 break;
499 case RF90_PATH_B:
500 case RF90_PATH_D:
501 rtl_set_bbreg(hw, pphyreg->rfintfs,
502 BRFSI_RFENV << 16, u4_regvalue);
503 break;
504 }
505
506 if (!rtstatus) {
507 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
508 "Radio[%d] Fail!!\n", rfpath);
509 return false;
510 }
511
512 }
513
514 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "<---\n");
515 return rtstatus;
516 }
517