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