1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009-2012 Realtek Corporation.*/
3
4 #include "../wifi.h"
5 #include "reg.h"
6 #include "def.h"
7 #include "phy.h"
8 #include "rf.h"
9 #include "dm.h"
10
11 static bool _rtl8723e_phy_rf6052_config_parafile(struct ieee80211_hw *hw);
12
rtl8723e_phy_rf6052_set_bandwidth(struct ieee80211_hw * hw,u8 bandwidth)13 void rtl8723e_phy_rf6052_set_bandwidth(struct ieee80211_hw *hw, u8 bandwidth)
14 {
15 struct rtl_priv *rtlpriv = rtl_priv(hw);
16 struct rtl_phy *rtlphy = &rtlpriv->phy;
17
18 switch (bandwidth) {
19 case HT_CHANNEL_WIDTH_20:
20 rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
21 0xfffff3ff) | 0x0400);
22 rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
23 rtlphy->rfreg_chnlval[0]);
24 break;
25 case HT_CHANNEL_WIDTH_20_40:
26 rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
27 0xfffff3ff));
28 rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
29 rtlphy->rfreg_chnlval[0]);
30 break;
31 default:
32 pr_err("unknown bandwidth: %#X\n", bandwidth);
33 break;
34 }
35 }
36
rtl8723e_phy_rf6052_set_cck_txpower(struct ieee80211_hw * hw,u8 * ppowerlevel)37 void rtl8723e_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw,
38 u8 *ppowerlevel)
39 {
40 struct rtl_priv *rtlpriv = rtl_priv(hw);
41 struct rtl_phy *rtlphy = &rtlpriv->phy;
42 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
43 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
44 u32 tx_agc[2] = {0, 0}, tmpval;
45 bool turbo_scanoff = false;
46 u8 idx1, idx2;
47 u8 *ptr;
48
49 if (rtlefuse->eeprom_regulatory != 0)
50 turbo_scanoff = true;
51
52 if (mac->act_scanning) {
53 tx_agc[RF90_PATH_A] = 0x3f3f3f3f;
54 tx_agc[RF90_PATH_B] = 0x3f3f3f3f;
55
56 if (turbo_scanoff) {
57 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B;
58 idx1++) {
59 tx_agc[idx1] = ppowerlevel[idx1] |
60 (ppowerlevel[idx1] << 8) |
61 (ppowerlevel[idx1] << 16) |
62 (ppowerlevel[idx1] << 24);
63 }
64 }
65 } else {
66 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
67 tx_agc[idx1] = ppowerlevel[idx1] |
68 (ppowerlevel[idx1] << 8) |
69 (ppowerlevel[idx1] << 16) |
70 (ppowerlevel[idx1] << 24);
71 }
72
73 if (rtlefuse->eeprom_regulatory == 0) {
74 tmpval =
75 (rtlphy->mcs_txpwrlevel_origoffset[0][6]) +
76 (rtlphy->mcs_txpwrlevel_origoffset[0][7] <<
77 8);
78 tx_agc[RF90_PATH_A] += tmpval;
79
80 tmpval = (rtlphy->mcs_txpwrlevel_origoffset[0][14]) +
81 (rtlphy->mcs_txpwrlevel_origoffset[0][15] <<
82 24);
83 tx_agc[RF90_PATH_B] += tmpval;
84 }
85 }
86
87 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
88 ptr = (u8 *)&tx_agc[idx1];
89 for (idx2 = 0; idx2 < 4; idx2++) {
90 if (*ptr > RF6052_MAX_TX_PWR)
91 *ptr = RF6052_MAX_TX_PWR;
92 ptr++;
93 }
94 }
95
96 tmpval = tx_agc[RF90_PATH_A] & 0xff;
97 rtl_set_bbreg(hw, RTXAGC_A_CCK1_MCS32, MASKBYTE1, tmpval);
98
99 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
100 "CCK PWR 1M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
101 RTXAGC_A_CCK1_MCS32);
102
103 tmpval = tx_agc[RF90_PATH_A] >> 8;
104
105 tmpval = tmpval & 0xff00ffff;
106
107 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, 0xffffff00, tmpval);
108
109 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
110 "CCK PWR 2~11M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
111 RTXAGC_B_CCK11_A_CCK2_11);
112
113 tmpval = tx_agc[RF90_PATH_B] >> 24;
114 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, MASKBYTE0, tmpval);
115
116 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
117 "CCK PWR 11M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
118 RTXAGC_B_CCK11_A_CCK2_11);
119
120 tmpval = tx_agc[RF90_PATH_B] & 0x00ffffff;
121 rtl_set_bbreg(hw, RTXAGC_B_CCK1_55_MCS32, 0xffffff00, tmpval);
122
123 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
124 "CCK PWR 1~5.5M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
125 RTXAGC_B_CCK1_55_MCS32);
126 }
127
rtl8723e_phy_get_power_base(struct ieee80211_hw * hw,u8 * ppowerlevel,u8 channel,u32 * ofdmbase,u32 * mcsbase)128 static void rtl8723e_phy_get_power_base(struct ieee80211_hw *hw,
129 u8 *ppowerlevel, u8 channel,
130 u32 *ofdmbase, u32 *mcsbase)
131 {
132 struct rtl_priv *rtlpriv = rtl_priv(hw);
133 struct rtl_phy *rtlphy = &rtlpriv->phy;
134 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
135 u32 powerbase0, powerbase1;
136 u8 legacy_pwrdiff, ht20_pwrdiff;
137 u8 i, powerlevel[2];
138
139 for (i = 0; i < 2; i++) {
140 powerlevel[i] = ppowerlevel[i];
141 legacy_pwrdiff = rtlefuse->txpwr_legacyhtdiff[i][channel - 1];
142 powerbase0 = powerlevel[i] + legacy_pwrdiff;
143
144 powerbase0 = (powerbase0 << 24) | (powerbase0 << 16) |
145 (powerbase0 << 8) | powerbase0;
146 *(ofdmbase + i) = powerbase0;
147 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
148 " [OFDM power base index rf(%c) = 0x%x]\n",
149 ((i == 0) ? 'A' : 'B'), *(ofdmbase + i));
150 }
151
152 for (i = 0; i < 2; i++) {
153 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20) {
154 ht20_pwrdiff =
155 rtlefuse->txpwr_ht20diff[i][channel - 1];
156 powerlevel[i] += ht20_pwrdiff;
157 }
158 powerbase1 = powerlevel[i];
159 powerbase1 = (powerbase1 << 24) |
160 (powerbase1 << 16) | (powerbase1 << 8) | powerbase1;
161
162 *(mcsbase + i) = powerbase1;
163
164 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
165 " [MCS power base index rf(%c) = 0x%x]\n",
166 ((i == 0) ? 'A' : 'B'), *(mcsbase + i));
167 }
168 }
169
get_txpower_writeval_by_reg(struct ieee80211_hw * hw,u8 channel,u8 index,u32 * powerbase0,u32 * powerbase1,u32 * p_outwriteval)170 static void get_txpower_writeval_by_reg(struct ieee80211_hw *hw,
171 u8 channel, u8 index,
172 u32 *powerbase0,
173 u32 *powerbase1,
174 u32 *p_outwriteval)
175 {
176 struct rtl_priv *rtlpriv = rtl_priv(hw);
177 struct rtl_phy *rtlphy = &rtlpriv->phy;
178 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
179 u8 i, chnlgroup = 0, pwr_diff_limit[4];
180 u32 writeval, customer_limit, rf;
181
182 for (rf = 0; rf < 2; rf++) {
183 switch (rtlefuse->eeprom_regulatory) {
184 case 0:
185 chnlgroup = 0;
186
187 writeval =
188 rtlphy->mcs_txpwrlevel_origoffset[chnlgroup][index +
189 (rf ? 8 : 0)]
190 + ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
191
192 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
193 "RTK better performance, writeval(%c) = 0x%x\n",
194 ((rf == 0) ? 'A' : 'B'), writeval);
195 break;
196 case 1:
197 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
198 writeval = ((index < 2) ? powerbase0[rf] :
199 powerbase1[rf]);
200
201 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
202 "Realtek regulatory, 40MHz, writeval(%c) = 0x%x\n",
203 ((rf == 0) ? 'A' : 'B'), writeval);
204 } else {
205 if (rtlphy->pwrgroup_cnt == 1)
206 chnlgroup = 0;
207 if (rtlphy->pwrgroup_cnt >= 3) {
208 if (channel <= 3)
209 chnlgroup = 0;
210 else if (channel >= 4 && channel <= 9)
211 chnlgroup = 1;
212 else if (channel > 9)
213 chnlgroup = 2;
214 if (rtlphy->current_chan_bw ==
215 HT_CHANNEL_WIDTH_20)
216 chnlgroup++;
217 else
218 chnlgroup += 4;
219 }
220
221 writeval =
222 rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
223 [index + (rf ? 8 : 0)] + ((index < 2) ?
224 powerbase0[rf] :
225 powerbase1[rf]);
226
227 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
228 "Realtek regulatory, 20MHz, writeval(%c) = 0x%x\n",
229 ((rf == 0) ? 'A' : 'B'), writeval);
230 }
231 break;
232 case 2:
233 writeval =
234 ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
235
236 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
237 "Better regulatory, writeval(%c) = 0x%x\n",
238 ((rf == 0) ? 'A' : 'B'), writeval);
239 break;
240 case 3:
241 chnlgroup = 0;
242
243 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
244 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
245 "customer's limit, 40MHz rf(%c) = 0x%x\n",
246 ((rf == 0) ? 'A' : 'B'),
247 rtlefuse->pwrgroup_ht40[rf][channel -
248 1]);
249 } else {
250 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
251 "customer's limit, 20MHz rf(%c) = 0x%x\n",
252 ((rf == 0) ? 'A' : 'B'),
253 rtlefuse->pwrgroup_ht20[rf][channel -
254 1]);
255 }
256 for (i = 0; i < 4; i++) {
257 pwr_diff_limit[i] =
258 (u8)((rtlphy->mcs_txpwrlevel_origoffset
259 [chnlgroup][index +
260 (rf ? 8 : 0)] & (0x7f <<
261 (i * 8))) >> (i * 8));
262
263 if (rtlphy->current_chan_bw ==
264 HT_CHANNEL_WIDTH_20_40) {
265 if (pwr_diff_limit[i] >
266 rtlefuse->
267 pwrgroup_ht40[rf][channel - 1])
268 pwr_diff_limit[i] =
269 rtlefuse->pwrgroup_ht40[rf]
270 [channel - 1];
271 } else {
272 if (pwr_diff_limit[i] >
273 rtlefuse->
274 pwrgroup_ht20[rf][channel - 1])
275 pwr_diff_limit[i] =
276 rtlefuse->pwrgroup_ht20[rf]
277 [channel - 1];
278 }
279 }
280
281 customer_limit = (pwr_diff_limit[3] << 24) |
282 (pwr_diff_limit[2] << 16) |
283 (pwr_diff_limit[1] << 8) | (pwr_diff_limit[0]);
284
285 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
286 "Customer's limit rf(%c) = 0x%x\n",
287 ((rf == 0) ? 'A' : 'B'), customer_limit);
288
289 writeval = customer_limit +
290 ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
291
292 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
293 "Customer, writeval rf(%c)= 0x%x\n",
294 ((rf == 0) ? 'A' : 'B'), writeval);
295 break;
296 default:
297 chnlgroup = 0;
298 writeval =
299 rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
300 [index + (rf ? 8 : 0)]
301 + ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
302
303 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
304 "RTK better performance, writeval rf(%c) = 0x%x\n",
305 ((rf == 0) ? 'A' : 'B'), writeval);
306 break;
307 }
308
309 if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
310 writeval = writeval - 0x06060606;
311 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
312 TXHIGHPWRLEVEL_BT2)
313 writeval = writeval - 0x0c0c0c0c;
314 *(p_outwriteval + rf) = writeval;
315 }
316 }
317
_rtl8723e_write_ofdm_power_reg(struct ieee80211_hw * hw,u8 index,u32 * pvalue)318 static void _rtl8723e_write_ofdm_power_reg(struct ieee80211_hw *hw,
319 u8 index, u32 *pvalue)
320 {
321 struct rtl_priv *rtlpriv = rtl_priv(hw);
322 struct rtl_phy *rtlphy = &rtlpriv->phy;
323
324 u16 regoffset_a[6] = {
325 RTXAGC_A_RATE18_06, RTXAGC_A_RATE54_24,
326 RTXAGC_A_MCS03_MCS00, RTXAGC_A_MCS07_MCS04,
327 RTXAGC_A_MCS11_MCS08, RTXAGC_A_MCS15_MCS12
328 };
329 u16 regoffset_b[6] = {
330 RTXAGC_B_RATE18_06, RTXAGC_B_RATE54_24,
331 RTXAGC_B_MCS03_MCS00, RTXAGC_B_MCS07_MCS04,
332 RTXAGC_B_MCS11_MCS08, RTXAGC_B_MCS15_MCS12
333 };
334 u8 i, rf, pwr_val[4];
335 u32 writeval;
336 u16 regoffset;
337
338 for (rf = 0; rf < 2; rf++) {
339 writeval = pvalue[rf];
340 for (i = 0; i < 4; i++) {
341 pwr_val[i] = (u8)((writeval & (0x7f <<
342 (i * 8))) >> (i * 8));
343
344 if (pwr_val[i] > RF6052_MAX_TX_PWR)
345 pwr_val[i] = RF6052_MAX_TX_PWR;
346 }
347 writeval = (pwr_val[3] << 24) | (pwr_val[2] << 16) |
348 (pwr_val[1] << 8) | pwr_val[0];
349
350 if (rf == 0)
351 regoffset = regoffset_a[index];
352 else
353 regoffset = regoffset_b[index];
354 rtl_set_bbreg(hw, regoffset, MASKDWORD, writeval);
355
356 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
357 "Set 0x%x = %08x\n", regoffset, writeval);
358
359 if (((get_rf_type(rtlphy) == RF_2T2R) &&
360 (regoffset == RTXAGC_A_MCS15_MCS12 ||
361 regoffset == RTXAGC_B_MCS15_MCS12)) ||
362 ((get_rf_type(rtlphy) != RF_2T2R) &&
363 (regoffset == RTXAGC_A_MCS07_MCS04 ||
364 regoffset == RTXAGC_B_MCS07_MCS04))) {
365
366 writeval = pwr_val[3];
367 if (regoffset == RTXAGC_A_MCS15_MCS12 ||
368 regoffset == RTXAGC_A_MCS07_MCS04)
369 regoffset = 0xc90;
370 if (regoffset == RTXAGC_B_MCS15_MCS12 ||
371 regoffset == RTXAGC_B_MCS07_MCS04)
372 regoffset = 0xc98;
373
374 for (i = 0; i < 3; i++) {
375 writeval = (writeval > 6) ? (writeval - 6) : 0;
376 rtl_write_byte(rtlpriv, (u32) (regoffset + i),
377 (u8)writeval);
378 }
379 }
380 }
381 }
382
rtl8723e_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw * hw,u8 * ppowerlevel,u8 channel)383 void rtl8723e_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw,
384 u8 *ppowerlevel, u8 channel)
385 {
386 u32 writeval[2], powerbase0[2], powerbase1[2];
387 u8 index;
388
389 rtl8723e_phy_get_power_base(hw, ppowerlevel,
390 channel, &powerbase0[0], &powerbase1[0]);
391
392 for (index = 0; index < 6; index++) {
393 get_txpower_writeval_by_reg(hw, channel, index, &powerbase0[0],
394 &powerbase1[0],
395 &writeval[0]);
396
397 _rtl8723e_write_ofdm_power_reg(hw, index, &writeval[0]);
398 }
399 }
400
rtl8723e_phy_rf6052_config(struct ieee80211_hw * hw)401 bool rtl8723e_phy_rf6052_config(struct ieee80211_hw *hw)
402 {
403 struct rtl_priv *rtlpriv = rtl_priv(hw);
404 struct rtl_phy *rtlphy = &rtlpriv->phy;
405
406 if (rtlphy->rf_type == RF_1T1R)
407 rtlphy->num_total_rfpath = 1;
408 else
409 rtlphy->num_total_rfpath = 2;
410
411 return _rtl8723e_phy_rf6052_config_parafile(hw);
412 }
413
_rtl8723e_phy_rf6052_config_parafile(struct ieee80211_hw * hw)414 static bool _rtl8723e_phy_rf6052_config_parafile(struct ieee80211_hw *hw)
415 {
416 struct rtl_priv *rtlpriv = rtl_priv(hw);
417 struct rtl_phy *rtlphy = &rtlpriv->phy;
418 u32 u4_regvalue = 0;
419 u8 rfpath;
420 bool rtstatus = true;
421 struct bb_reg_def *pphyreg;
422
423 for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) {
424
425 pphyreg = &rtlphy->phyreg_def[rfpath];
426
427 switch (rfpath) {
428 case RF90_PATH_A:
429 case RF90_PATH_C:
430 u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
431 BRFSI_RFENV);
432 break;
433 case RF90_PATH_B:
434 case RF90_PATH_D:
435 u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
436 BRFSI_RFENV << 16);
437 break;
438 }
439
440 rtl_set_bbreg(hw, pphyreg->rfintfe, BRFSI_RFENV << 16, 0x1);
441 udelay(1);
442
443 rtl_set_bbreg(hw, pphyreg->rfintfo, BRFSI_RFENV, 0x1);
444 udelay(1);
445
446 rtl_set_bbreg(hw, pphyreg->rfhssi_para2,
447 B3WIREADDREAALENGTH, 0x0);
448 udelay(1);
449
450 rtl_set_bbreg(hw, pphyreg->rfhssi_para2, B3WIREDATALENGTH, 0x0);
451 udelay(1);
452
453 switch (rfpath) {
454 case RF90_PATH_A:
455 rtstatus = rtl8723e_phy_config_rf_with_headerfile(hw,
456 (enum radio_path)rfpath);
457 break;
458 case RF90_PATH_B:
459 rtstatus =
460 rtl8723e_phy_config_rf_with_headerfile(hw,
461 (enum radio_path)rfpath);
462 break;
463 case RF90_PATH_C:
464 break;
465 case RF90_PATH_D:
466 break;
467 }
468
469 switch (rfpath) {
470 case RF90_PATH_A:
471 case RF90_PATH_C:
472 rtl_set_bbreg(hw, pphyreg->rfintfs,
473 BRFSI_RFENV, u4_regvalue);
474 break;
475 case RF90_PATH_B:
476 case RF90_PATH_D:
477 rtl_set_bbreg(hw, pphyreg->rfintfs,
478 BRFSI_RFENV << 16, u4_regvalue);
479 break;
480 }
481
482 if (!rtstatus) {
483 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
484 "Radio[%d] Fail!!\n", rfpath);
485 return false;
486 }
487 }
488
489 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, "\n");
490 return rtstatus;
491 }
492