1 /******************************************************************************
2 *
3 * Copyright(c) 2009-2013 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 * The full GNU General Public License is included in this distribution in the
15 * file called LICENSE.
16 *
17 * Contact Information:
18 * wlanfae <wlanfae@realtek.com>
19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20 * Hsinchu 300, Taiwan.
21 *
22 * Larry Finger <Larry.Finger@lwfinger.net>
23 *
24 *****************************************************************************/
25
26 #include "../wifi.h"
27 #include "reg.h"
28 #include "def.h"
29 #include "phy.h"
30 #include "rf.h"
31 #include "dm.h"
32
33 static bool _rtl88e_phy_rf6052_config_parafile(struct ieee80211_hw *hw);
34
rtl88e_phy_rf6052_set_bandwidth(struct ieee80211_hw * hw,u8 bandwidth)35 void rtl88e_phy_rf6052_set_bandwidth(struct ieee80211_hw *hw, u8 bandwidth)
36 {
37 struct rtl_priv *rtlpriv = rtl_priv(hw);
38 struct rtl_phy *rtlphy = &(rtlpriv->phy);
39
40 switch (bandwidth) {
41 case HT_CHANNEL_WIDTH_20:
42 rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
43 0xfffff3ff) | BIT(10) | BIT(11));
44 rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
45 rtlphy->rfreg_chnlval[0]);
46 break;
47 case HT_CHANNEL_WIDTH_20_40:
48 rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
49 0xfffff3ff) | BIT(10));
50 rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
51 rtlphy->rfreg_chnlval[0]);
52 break;
53 default:
54 pr_err("unknown bandwidth: %#X\n", bandwidth);
55 break;
56 }
57 }
58
rtl88e_phy_rf6052_set_cck_txpower(struct ieee80211_hw * hw,u8 * ppowerlevel)59 void rtl88e_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw,
60 u8 *ppowerlevel)
61 {
62 struct rtl_priv *rtlpriv = rtl_priv(hw);
63 struct rtl_phy *rtlphy = &(rtlpriv->phy);
64 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
65 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
66 u32 tx_agc[2] = {0, 0}, tmpval;
67 bool turbo_scanoff = false;
68 u8 idx1, idx2;
69 u8 *ptr;
70 u8 direction;
71 u32 pwrtrac_value;
72
73 if (rtlefuse->eeprom_regulatory != 0)
74 turbo_scanoff = true;
75
76 if (mac->act_scanning == true) {
77 tx_agc[RF90_PATH_A] = 0x3f3f3f3f;
78 tx_agc[RF90_PATH_B] = 0x3f3f3f3f;
79
80 if (turbo_scanoff) {
81 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
82 tx_agc[idx1] = ppowerlevel[idx1] |
83 (ppowerlevel[idx1] << 8) |
84 (ppowerlevel[idx1] << 16) |
85 (ppowerlevel[idx1] << 24);
86 }
87 }
88 } else {
89 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
90 tx_agc[idx1] = ppowerlevel[idx1] |
91 (ppowerlevel[idx1] << 8) |
92 (ppowerlevel[idx1] << 16) |
93 (ppowerlevel[idx1] << 24);
94 }
95
96 if (rtlefuse->eeprom_regulatory == 0) {
97 tmpval =
98 (rtlphy->mcs_txpwrlevel_origoffset[0][6]) +
99 (rtlphy->mcs_txpwrlevel_origoffset[0][7] <<
100 8);
101 tx_agc[RF90_PATH_A] += tmpval;
102
103 tmpval = (rtlphy->mcs_txpwrlevel_origoffset[0][14]) +
104 (rtlphy->mcs_txpwrlevel_origoffset[0][15] <<
105 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 rtl88e_dm_txpower_track_adjust(hw, 1, &direction, &pwrtrac_value);
119 if (direction == 1) {
120 tx_agc[0] += pwrtrac_value;
121 tx_agc[1] += pwrtrac_value;
122 } else if (direction == 2) {
123 tx_agc[0] -= pwrtrac_value;
124 tx_agc[1] -= pwrtrac_value;
125 }
126 tmpval = tx_agc[RF90_PATH_A] & 0xff;
127 rtl_set_bbreg(hw, RTXAGC_A_CCK1_MCS32, MASKBYTE1, tmpval);
128
129 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
130 "CCK PWR 1M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
131 RTXAGC_A_CCK1_MCS32);
132
133 tmpval = tx_agc[RF90_PATH_A] >> 8;
134
135 /*tmpval = tmpval & 0xff00ffff;*/
136
137 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, 0xffffff00, tmpval);
138
139 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
140 "CCK PWR 2~11M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
141 RTXAGC_B_CCK11_A_CCK2_11);
142
143 tmpval = tx_agc[RF90_PATH_B] >> 24;
144 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, MASKBYTE0, tmpval);
145
146 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
147 "CCK PWR 11M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
148 RTXAGC_B_CCK11_A_CCK2_11);
149
150 tmpval = tx_agc[RF90_PATH_B] & 0x00ffffff;
151 rtl_set_bbreg(hw, RTXAGC_B_CCK1_55_MCS32, 0xffffff00, tmpval);
152
153 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
154 "CCK PWR 1~5.5M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
155 RTXAGC_B_CCK1_55_MCS32);
156 }
157
rtl88e_phy_get_power_base(struct ieee80211_hw * hw,u8 * ppowerlevel_ofdm,u8 * ppowerlevel_bw20,u8 * ppowerlevel_bw40,u8 channel,u32 * ofdmbase,u32 * mcsbase)158 static void rtl88e_phy_get_power_base(struct ieee80211_hw *hw,
159 u8 *ppowerlevel_ofdm,
160 u8 *ppowerlevel_bw20,
161 u8 *ppowerlevel_bw40, u8 channel,
162 u32 *ofdmbase, u32 *mcsbase)
163 {
164 struct rtl_priv *rtlpriv = rtl_priv(hw);
165 struct rtl_phy *rtlphy = &(rtlpriv->phy);
166 u32 powerbase0, powerbase1;
167 u8 i, powerlevel[2];
168
169 for (i = 0; i < 2; i++) {
170 powerbase0 = ppowerlevel_ofdm[i];
171
172 powerbase0 = (powerbase0 << 24) | (powerbase0 << 16) |
173 (powerbase0 << 8) | powerbase0;
174 *(ofdmbase + i) = powerbase0;
175 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
176 " [OFDM power base index rf(%c) = 0x%x]\n",
177 ((i == 0) ? 'A' : 'B'), *(ofdmbase + i));
178 }
179
180 for (i = 0; i < 2; i++) {
181 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20)
182 powerlevel[i] = ppowerlevel_bw20[i];
183 else
184 powerlevel[i] = ppowerlevel_bw40[i];
185
186 powerbase1 = powerlevel[i];
187 powerbase1 = (powerbase1 << 24) |
188 (powerbase1 << 16) | (powerbase1 << 8) | powerbase1;
189
190 *(mcsbase + i) = powerbase1;
191
192 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
193 " [MCS power base index rf(%c) = 0x%x]\n",
194 ((i == 0) ? 'A' : 'B'), *(mcsbase + i));
195 }
196 }
197
_rtl88e_get_txpower_writeval_by_regulatory(struct ieee80211_hw * hw,u8 channel,u8 index,u32 * powerbase0,u32 * powerbase1,u32 * p_outwriteval)198 static void _rtl88e_get_txpower_writeval_by_regulatory(struct ieee80211_hw *hw,
199 u8 channel, u8 index,
200 u32 *powerbase0,
201 u32 *powerbase1,
202 u32 *p_outwriteval)
203 {
204 struct rtl_priv *rtlpriv = rtl_priv(hw);
205 struct rtl_phy *rtlphy = &(rtlpriv->phy);
206 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
207 u8 i, chnlgroup = 0, pwr_diff_limit[4], pwr_diff = 0, customer_pwr_diff;
208 u32 writeval, customer_limit, rf;
209
210 for (rf = 0; rf < 2; rf++) {
211 switch (rtlefuse->eeprom_regulatory) {
212 case 0:
213 chnlgroup = 0;
214
215 writeval =
216 rtlphy->mcs_txpwrlevel_origoffset
217 [chnlgroup][index + (rf ? 8 : 0)]
218 + ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
219
220 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
221 "RTK better performance, writeval(%c) = 0x%x\n",
222 ((rf == 0) ? 'A' : 'B'), writeval);
223 break;
224 case 1:
225 if (rtlphy->pwrgroup_cnt == 1) {
226 chnlgroup = 0;
227 } else {
228 if (channel < 3)
229 chnlgroup = 0;
230 else if (channel < 6)
231 chnlgroup = 1;
232 else if (channel < 9)
233 chnlgroup = 2;
234 else if (channel < 12)
235 chnlgroup = 3;
236 else if (channel < 14)
237 chnlgroup = 4;
238 else if (channel == 14)
239 chnlgroup = 5;
240 }
241
242 writeval =
243 rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
244 [index + (rf ? 8 : 0)] + ((index < 2) ?
245 powerbase0[rf] :
246 powerbase1[rf]);
247
248 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
249 "Realtek regulatory, 20MHz, writeval(%c) = 0x%x\n",
250 ((rf == 0) ? 'A' : 'B'), writeval);
251
252 break;
253 case 2:
254 writeval =
255 ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
256
257 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
258 "Better regulatory, writeval(%c) = 0x%x\n",
259 ((rf == 0) ? 'A' : 'B'), writeval);
260 break;
261 case 3:
262 chnlgroup = 0;
263
264 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
265 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
266 "customer's limit, 40MHz rf(%c) = 0x%x\n",
267 ((rf == 0) ? 'A' : 'B'),
268 rtlefuse->pwrgroup_ht40[rf][channel -
269 1]);
270 } else {
271 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
272 "customer's limit, 20MHz rf(%c) = 0x%x\n",
273 ((rf == 0) ? 'A' : 'B'),
274 rtlefuse->pwrgroup_ht20[rf][channel -
275 1]);
276 }
277
278 if (index < 2)
279 pwr_diff =
280 rtlefuse->txpwr_legacyhtdiff[rf][channel-1];
281 else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20)
282 pwr_diff =
283 rtlefuse->txpwr_ht20diff[rf][channel-1];
284
285 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40)
286 customer_pwr_diff =
287 rtlefuse->pwrgroup_ht40[rf][channel-1];
288 else
289 customer_pwr_diff =
290 rtlefuse->pwrgroup_ht20[rf][channel-1];
291
292 if (pwr_diff > customer_pwr_diff)
293 pwr_diff = 0;
294 else
295 pwr_diff = customer_pwr_diff - pwr_diff;
296
297 for (i = 0; i < 4; i++) {
298 pwr_diff_limit[i] =
299 (u8)((rtlphy->mcs_txpwrlevel_origoffset
300 [chnlgroup][index +
301 (rf ? 8 : 0)] & (0x7f <<
302 (i * 8))) >> (i * 8));
303
304 if (pwr_diff_limit[i] > pwr_diff)
305 pwr_diff_limit[i] = pwr_diff;
306 }
307
308 customer_limit = (pwr_diff_limit[3] << 24) |
309 (pwr_diff_limit[2] << 16) |
310 (pwr_diff_limit[1] << 8) | (pwr_diff_limit[0]);
311
312 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
313 "Customer's limit rf(%c) = 0x%x\n",
314 ((rf == 0) ? 'A' : 'B'), customer_limit);
315
316 writeval = customer_limit +
317 ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
318
319 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
320 "Customer, writeval rf(%c)= 0x%x\n",
321 ((rf == 0) ? 'A' : 'B'), writeval);
322 break;
323 default:
324 chnlgroup = 0;
325 writeval =
326 rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
327 [index + (rf ? 8 : 0)]
328 + ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
329
330 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
331 "RTK better performance, writeval rf(%c) = 0x%x\n",
332 ((rf == 0) ? 'A' : 'B'), writeval);
333 break;
334 }
335
336 if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
337 writeval = writeval - 0x06060606;
338 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
339 TXHIGHPWRLEVEL_BT2)
340 writeval = writeval - 0x0c0c0c0c;
341 *(p_outwriteval + rf) = writeval;
342 }
343 }
344
_rtl88e_write_ofdm_power_reg(struct ieee80211_hw * hw,u8 index,u32 * value)345 static void _rtl88e_write_ofdm_power_reg(struct ieee80211_hw *hw,
346 u8 index, u32 *value)
347 {
348 struct rtl_priv *rtlpriv = rtl_priv(hw);
349 u16 regoffset_a[6] = {
350 RTXAGC_A_RATE18_06, RTXAGC_A_RATE54_24,
351 RTXAGC_A_MCS03_MCS00, RTXAGC_A_MCS07_MCS04,
352 RTXAGC_A_MCS11_MCS08, RTXAGC_A_MCS15_MCS12
353 };
354 u16 regoffset_b[6] = {
355 RTXAGC_B_RATE18_06, RTXAGC_B_RATE54_24,
356 RTXAGC_B_MCS03_MCS00, RTXAGC_B_MCS07_MCS04,
357 RTXAGC_B_MCS11_MCS08, RTXAGC_B_MCS15_MCS12
358 };
359 u8 i, rf, pwr_val[4];
360 u32 writeval;
361 u16 regoffset;
362
363 for (rf = 0; rf < 2; rf++) {
364 writeval = value[rf];
365 for (i = 0; i < 4; i++) {
366 pwr_val[i] = (u8)((writeval & (0x7f <<
367 (i * 8))) >> (i * 8));
368
369 if (pwr_val[i] > RF6052_MAX_TX_PWR)
370 pwr_val[i] = RF6052_MAX_TX_PWR;
371 }
372 writeval = (pwr_val[3] << 24) | (pwr_val[2] << 16) |
373 (pwr_val[1] << 8) | pwr_val[0];
374
375 if (rf == 0)
376 regoffset = regoffset_a[index];
377 else
378 regoffset = regoffset_b[index];
379 rtl_set_bbreg(hw, regoffset, MASKDWORD, writeval);
380
381 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
382 "Set 0x%x = %08x\n", regoffset, writeval);
383 }
384 }
385
rtl88e_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw * hw,u8 * ppowerlevel_ofdm,u8 * ppowerlevel_bw20,u8 * ppowerlevel_bw40,u8 channel)386 void rtl88e_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw,
387 u8 *ppowerlevel_ofdm,
388 u8 *ppowerlevel_bw20,
389 u8 *ppowerlevel_bw40, u8 channel)
390 {
391 u32 writeval[2], powerbase0[2], powerbase1[2];
392 u8 index;
393 u8 direction;
394 u32 pwrtrac_value;
395
396 rtl88e_phy_get_power_base(hw, ppowerlevel_ofdm,
397 ppowerlevel_bw20, ppowerlevel_bw40,
398 channel, &powerbase0[0], &powerbase1[0]);
399
400 rtl88e_dm_txpower_track_adjust(hw, 1, &direction, &pwrtrac_value);
401
402 for (index = 0; index < 6; index++) {
403 _rtl88e_get_txpower_writeval_by_regulatory(hw,
404 channel, index,
405 &powerbase0[0],
406 &powerbase1[0],
407 &writeval[0]);
408 if (direction == 1) {
409 writeval[0] += pwrtrac_value;
410 writeval[1] += pwrtrac_value;
411 } else if (direction == 2) {
412 writeval[0] -= pwrtrac_value;
413 writeval[1] -= pwrtrac_value;
414 }
415 _rtl88e_write_ofdm_power_reg(hw, index, &writeval[0]);
416 }
417 }
418
rtl88e_phy_rf6052_config(struct ieee80211_hw * hw)419 bool rtl88e_phy_rf6052_config(struct ieee80211_hw *hw)
420 {
421 struct rtl_priv *rtlpriv = rtl_priv(hw);
422 struct rtl_phy *rtlphy = &(rtlpriv->phy);
423
424 if (rtlphy->rf_type == RF_1T1R)
425 rtlphy->num_total_rfpath = 1;
426 else
427 rtlphy->num_total_rfpath = 2;
428
429 return _rtl88e_phy_rf6052_config_parafile(hw);
430 }
431
_rtl88e_phy_rf6052_config_parafile(struct ieee80211_hw * hw)432 static bool _rtl88e_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 pphyreg = &rtlphy->phyreg_def[rfpath];
443
444 switch (rfpath) {
445 case RF90_PATH_A:
446 case RF90_PATH_C:
447 u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
448 BRFSI_RFENV);
449 break;
450 case RF90_PATH_B:
451 case RF90_PATH_D:
452 u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
453 BRFSI_RFENV << 16);
454 break;
455 }
456
457 rtl_set_bbreg(hw, pphyreg->rfintfe, BRFSI_RFENV << 16, 0x1);
458 udelay(1);
459
460 rtl_set_bbreg(hw, pphyreg->rfintfo, BRFSI_RFENV, 0x1);
461 udelay(1);
462
463 rtl_set_bbreg(hw, pphyreg->rfhssi_para2,
464 B3WIREADDREAALENGTH, 0x0);
465 udelay(1);
466
467 rtl_set_bbreg(hw, pphyreg->rfhssi_para2, B3WIREDATALENGTH, 0x0);
468 udelay(1);
469
470 switch (rfpath) {
471 case RF90_PATH_A:
472 rtstatus = rtl88e_phy_config_rf_with_headerfile(hw,
473 (enum radio_path)rfpath);
474 break;
475 case RF90_PATH_B:
476 rtstatus = rtl88e_phy_config_rf_with_headerfile(hw,
477 (enum radio_path)rfpath);
478 break;
479 case RF90_PATH_C:
480 break;
481 case RF90_PATH_D:
482 break;
483 }
484
485 switch (rfpath) {
486 case RF90_PATH_A:
487 case RF90_PATH_C:
488 rtl_set_bbreg(hw, pphyreg->rfintfs,
489 BRFSI_RFENV, u4_regvalue);
490 break;
491 case RF90_PATH_B:
492 case RF90_PATH_D:
493 rtl_set_bbreg(hw, pphyreg->rfintfs,
494 BRFSI_RFENV << 16, u4_regvalue);
495 break;
496 }
497
498 if (rtstatus != true) {
499 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
500 "Radio[%d] Fail!!\n", rfpath);
501 return false;
502 }
503
504 }
505
506 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "\n");
507 return rtstatus;
508 }
509