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 _rtl92ce_phy_rf6052_config_parafile(struct ieee80211_hw *hw);
12
rtl92ce_phy_rf6052_set_bandwidth(struct ieee80211_hw * hw,u8 bandwidth)13 void rtl92ce_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
rtl92ce_phy_rf6052_set_cck_txpower(struct ieee80211_hw * hw,u8 * ppowerlevel)37 void rtl92ce_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; idx1++) {
58 tx_agc[idx1] = ppowerlevel[idx1] |
59 (ppowerlevel[idx1] << 8) |
60 (ppowerlevel[idx1] << 16) |
61 (ppowerlevel[idx1] << 24);
62 }
63 }
64 } else {
65 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
66 tx_agc[idx1] = ppowerlevel[idx1] |
67 (ppowerlevel[idx1] << 8) |
68 (ppowerlevel[idx1] << 16) |
69 (ppowerlevel[idx1] << 24);
70 }
71
72 if (rtlefuse->eeprom_regulatory == 0) {
73 tmpval = (rtlphy->mcs_offset[0][6]) +
74 (rtlphy->mcs_offset[0][7] << 8);
75 tx_agc[RF90_PATH_A] += tmpval;
76
77 tmpval = (rtlphy->mcs_offset[0][14]) +
78 (rtlphy->mcs_offset[0][15] << 24);
79 tx_agc[RF90_PATH_B] += tmpval;
80 }
81 }
82
83 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
84 ptr = (u8 *) (&(tx_agc[idx1]));
85 for (idx2 = 0; idx2 < 4; idx2++) {
86 if (*ptr > RF6052_MAX_TX_PWR)
87 *ptr = RF6052_MAX_TX_PWR;
88 ptr++;
89 }
90 }
91
92 tmpval = tx_agc[RF90_PATH_A] & 0xff;
93 rtl_set_bbreg(hw, RTXAGC_A_CCK1_MCS32, MASKBYTE1, tmpval);
94
95 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
96 "CCK PWR 1M (rf-A) = 0x%x (reg 0x%x)\n",
97 tmpval, RTXAGC_A_CCK1_MCS32);
98
99 tmpval = tx_agc[RF90_PATH_A] >> 8;
100
101 tmpval = tmpval & 0xff00ffff;
102
103 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, 0xffffff00, tmpval);
104
105 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
106 "CCK PWR 2~11M (rf-A) = 0x%x (reg 0x%x)\n",
107 tmpval, RTXAGC_B_CCK11_A_CCK2_11);
108
109 tmpval = tx_agc[RF90_PATH_B] >> 24;
110 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, MASKBYTE0, tmpval);
111
112 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
113 "CCK PWR 11M (rf-B) = 0x%x (reg 0x%x)\n",
114 tmpval, RTXAGC_B_CCK11_A_CCK2_11);
115
116 tmpval = tx_agc[RF90_PATH_B] & 0x00ffffff;
117 rtl_set_bbreg(hw, RTXAGC_B_CCK1_55_MCS32, 0xffffff00, tmpval);
118
119 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
120 "CCK PWR 1~5.5M (rf-B) = 0x%x (reg 0x%x)\n",
121 tmpval, RTXAGC_B_CCK1_55_MCS32);
122 }
123
rtl92c_phy_get_power_base(struct ieee80211_hw * hw,u8 * ppowerlevel,u8 channel,u32 * ofdmbase,u32 * mcsbase)124 static void rtl92c_phy_get_power_base(struct ieee80211_hw *hw,
125 u8 *ppowerlevel, u8 channel,
126 u32 *ofdmbase, u32 *mcsbase)
127 {
128 struct rtl_priv *rtlpriv = rtl_priv(hw);
129 struct rtl_phy *rtlphy = &(rtlpriv->phy);
130 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
131 u32 powerbase0, powerbase1;
132 u8 legacy_pwrdiff, ht20_pwrdiff;
133 u8 i, powerlevel[2];
134
135 for (i = 0; i < 2; i++) {
136 powerlevel[i] = ppowerlevel[i];
137 legacy_pwrdiff = rtlefuse->txpwr_legacyhtdiff[i][channel - 1];
138 powerbase0 = powerlevel[i] + legacy_pwrdiff;
139
140 powerbase0 = (powerbase0 << 24) | (powerbase0 << 16) |
141 (powerbase0 << 8) | powerbase0;
142 *(ofdmbase + i) = powerbase0;
143 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
144 " [OFDM power base index rf(%c) = 0x%x]\n",
145 i == 0 ? 'A' : 'B', *(ofdmbase + i));
146 }
147
148 for (i = 0; i < 2; i++) {
149 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20) {
150 ht20_pwrdiff = rtlefuse->txpwr_ht20diff[i][channel - 1];
151 powerlevel[i] += ht20_pwrdiff;
152 }
153 powerbase1 = powerlevel[i];
154 powerbase1 = (powerbase1 << 24) |
155 (powerbase1 << 16) | (powerbase1 << 8) | powerbase1;
156
157 *(mcsbase + i) = powerbase1;
158
159 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
160 " [MCS power base index rf(%c) = 0x%x]\n",
161 i == 0 ? 'A' : 'B', *(mcsbase + i));
162 }
163 }
164
_rtl92c_get_txpower_writeval_by_regulatory(struct ieee80211_hw * hw,u8 channel,u8 index,u32 * powerbase0,u32 * powerbase1,u32 * p_outwriteval)165 static void _rtl92c_get_txpower_writeval_by_regulatory(struct ieee80211_hw *hw,
166 u8 channel, u8 index,
167 u32 *powerbase0,
168 u32 *powerbase1,
169 u32 *p_outwriteval)
170 {
171 struct rtl_priv *rtlpriv = rtl_priv(hw);
172 struct rtl_phy *rtlphy = &(rtlpriv->phy);
173 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
174 u8 i, chnlgroup = 0, pwr_diff_limit[4];
175 u32 writeval, customer_limit, rf;
176
177 for (rf = 0; rf < 2; rf++) {
178 switch (rtlefuse->eeprom_regulatory) {
179 case 0:
180 chnlgroup = 0;
181
182 writeval = rtlphy->mcs_offset[chnlgroup][index +
183 (rf ? 8 : 0)]
184 + ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
185
186 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
187 "RTK better performance, writeval(%c) = 0x%x\n",
188 rf == 0 ? 'A' : 'B', writeval);
189 break;
190 case 1:
191 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
192 writeval = ((index < 2) ? powerbase0[rf] :
193 powerbase1[rf]);
194
195 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
196 "Realtek regulatory, 40MHz, writeval(%c) = 0x%x\n",
197 rf == 0 ? 'A' : 'B', writeval);
198 } else {
199 if (rtlphy->pwrgroup_cnt == 1)
200 chnlgroup = 0;
201 if (rtlphy->pwrgroup_cnt >= 3) {
202 if (channel <= 3)
203 chnlgroup = 0;
204 else if (channel >= 4 && channel <= 9)
205 chnlgroup = 1;
206 else if (channel > 9)
207 chnlgroup = 2;
208 if (rtlphy->pwrgroup_cnt == 4)
209 chnlgroup++;
210 }
211
212 writeval = rtlphy->mcs_offset[chnlgroup]
213 [index + (rf ? 8 : 0)] + ((index < 2) ?
214 powerbase0[rf] :
215 powerbase1[rf]);
216
217 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
218 "Realtek regulatory, 20MHz, writeval(%c) = 0x%x\n",
219 rf == 0 ? 'A' : 'B', writeval);
220 }
221 break;
222 case 2:
223 writeval =
224 ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
225
226 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
227 "Better regulatory, writeval(%c) = 0x%x\n",
228 rf == 0 ? 'A' : 'B', writeval);
229 break;
230 case 3:
231 chnlgroup = 0;
232
233 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
234 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
235 "customer's limit, 40MHz rf(%c) = 0x%x\n",
236 rf == 0 ? 'A' : 'B',
237 rtlefuse->pwrgroup_ht40[rf][channel -
238 1]);
239 } else {
240 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
241 "customer's limit, 20MHz rf(%c) = 0x%x\n",
242 rf == 0 ? 'A' : 'B',
243 rtlefuse->pwrgroup_ht20[rf][channel -
244 1]);
245 }
246 for (i = 0; i < 4; i++) {
247 pwr_diff_limit[i] = (u8) ((rtlphy->mcs_offset
248 [chnlgroup][index +
249 (rf ? 8 : 0)] & (0x7f << (i * 8))) >>
250 (i * 8));
251
252 if (rtlphy->current_chan_bw ==
253 HT_CHANNEL_WIDTH_20_40) {
254 if (pwr_diff_limit[i] >
255 rtlefuse->
256 pwrgroup_ht40[rf][channel - 1])
257 pwr_diff_limit[i] =
258 rtlefuse->pwrgroup_ht40[rf]
259 [channel - 1];
260 } else {
261 if (pwr_diff_limit[i] >
262 rtlefuse->
263 pwrgroup_ht20[rf][channel - 1])
264 pwr_diff_limit[i] =
265 rtlefuse->pwrgroup_ht20[rf]
266 [channel - 1];
267 }
268 }
269
270 customer_limit = (pwr_diff_limit[3] << 24) |
271 (pwr_diff_limit[2] << 16) |
272 (pwr_diff_limit[1] << 8) | (pwr_diff_limit[0]);
273
274 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
275 "Customer's limit rf(%c) = 0x%x\n",
276 rf == 0 ? 'A' : 'B', customer_limit);
277
278 writeval = customer_limit +
279 ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
280
281 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
282 "Customer, writeval rf(%c)= 0x%x\n",
283 rf == 0 ? 'A' : 'B', writeval);
284 break;
285 default:
286 chnlgroup = 0;
287 writeval = rtlphy->mcs_offset[chnlgroup]
288 [index + (rf ? 8 : 0)]
289 + ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
290
291 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
292 "RTK better performance, writeval rf(%c) = 0x%x\n",
293 rf == 0 ? 'A' : 'B', writeval);
294 break;
295 }
296
297 if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
298 writeval = writeval - 0x06060606;
299 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
300 TXHIGHPWRLEVEL_BT2)
301 writeval = writeval - 0x0c0c0c0c;
302 *(p_outwriteval + rf) = writeval;
303 }
304 }
305
_rtl92c_write_ofdm_power_reg(struct ieee80211_hw * hw,u8 index,u32 * value)306 static void _rtl92c_write_ofdm_power_reg(struct ieee80211_hw *hw,
307 u8 index, u32 *value)
308 {
309 struct rtl_priv *rtlpriv = rtl_priv(hw);
310 struct rtl_phy *rtlphy = &(rtlpriv->phy);
311
312 u16 regoffset_a[6] = {
313 RTXAGC_A_RATE18_06, RTXAGC_A_RATE54_24,
314 RTXAGC_A_MCS03_MCS00, RTXAGC_A_MCS07_MCS04,
315 RTXAGC_A_MCS11_MCS08, RTXAGC_A_MCS15_MCS12
316 };
317 u16 regoffset_b[6] = {
318 RTXAGC_B_RATE18_06, RTXAGC_B_RATE54_24,
319 RTXAGC_B_MCS03_MCS00, RTXAGC_B_MCS07_MCS04,
320 RTXAGC_B_MCS11_MCS08, RTXAGC_B_MCS15_MCS12
321 };
322 u8 i, rf, pwr_val[4];
323 u32 writeval;
324 u16 regoffset;
325
326 for (rf = 0; rf < 2; rf++) {
327 writeval = value[rf];
328 for (i = 0; i < 4; i++) {
329 pwr_val[i] = (u8)((writeval & (0x7f <<
330 (i * 8))) >> (i * 8));
331
332 if (pwr_val[i] > RF6052_MAX_TX_PWR)
333 pwr_val[i] = RF6052_MAX_TX_PWR;
334 }
335 writeval = (pwr_val[3] << 24) | (pwr_val[2] << 16) |
336 (pwr_val[1] << 8) | pwr_val[0];
337
338 if (rf == 0)
339 regoffset = regoffset_a[index];
340 else
341 regoffset = regoffset_b[index];
342 rtl_set_bbreg(hw, regoffset, MASKDWORD, writeval);
343
344 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
345 "Set 0x%x = %08x\n", regoffset, writeval);
346
347 if (((get_rf_type(rtlphy) == RF_2T2R) &&
348 (regoffset == RTXAGC_A_MCS15_MCS12 ||
349 regoffset == RTXAGC_B_MCS15_MCS12)) ||
350 ((get_rf_type(rtlphy) != RF_2T2R) &&
351 (regoffset == RTXAGC_A_MCS07_MCS04 ||
352 regoffset == RTXAGC_B_MCS07_MCS04))) {
353
354 writeval = pwr_val[3];
355 if (regoffset == RTXAGC_A_MCS15_MCS12 ||
356 regoffset == RTXAGC_A_MCS07_MCS04)
357 regoffset = 0xc90;
358 if (regoffset == RTXAGC_B_MCS15_MCS12 ||
359 regoffset == RTXAGC_B_MCS07_MCS04)
360 regoffset = 0xc98;
361
362 for (i = 0; i < 3; i++) {
363 writeval = (writeval > 6) ? (writeval - 6) : 0;
364 rtl_write_byte(rtlpriv, (u32) (regoffset + i),
365 (u8)writeval);
366 }
367 }
368 }
369 }
370
rtl92ce_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw * hw,u8 * ppowerlevel,u8 channel)371 void rtl92ce_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw,
372 u8 *ppowerlevel, u8 channel)
373 {
374 u32 writeval[2], powerbase0[2], powerbase1[2];
375 u8 index;
376
377 rtl92c_phy_get_power_base(hw, ppowerlevel,
378 channel, &powerbase0[0], &powerbase1[0]);
379
380 for (index = 0; index < 6; index++) {
381 _rtl92c_get_txpower_writeval_by_regulatory(hw,
382 channel, index,
383 &powerbase0[0],
384 &powerbase1[0],
385 &writeval[0]);
386
387 _rtl92c_write_ofdm_power_reg(hw, index, &writeval[0]);
388 }
389 }
390
rtl92ce_phy_rf6052_config(struct ieee80211_hw * hw)391 bool rtl92ce_phy_rf6052_config(struct ieee80211_hw *hw)
392 {
393 struct rtl_priv *rtlpriv = rtl_priv(hw);
394 struct rtl_phy *rtlphy = &(rtlpriv->phy);
395
396 if (rtlphy->rf_type == RF_1T1R)
397 rtlphy->num_total_rfpath = 1;
398 else
399 rtlphy->num_total_rfpath = 2;
400
401 return _rtl92ce_phy_rf6052_config_parafile(hw);
402
403 }
404
_rtl92ce_phy_rf6052_config_parafile(struct ieee80211_hw * hw)405 static bool _rtl92ce_phy_rf6052_config_parafile(struct ieee80211_hw *hw)
406 {
407 struct rtl_priv *rtlpriv = rtl_priv(hw);
408 struct rtl_phy *rtlphy = &(rtlpriv->phy);
409 u32 u4_regvalue = 0;
410 u8 rfpath;
411 bool rtstatus = true;
412 struct bb_reg_def *pphyreg;
413
414 for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) {
415
416 pphyreg = &rtlphy->phyreg_def[rfpath];
417
418 switch (rfpath) {
419 case RF90_PATH_A:
420 case RF90_PATH_C:
421 u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
422 BRFSI_RFENV);
423 break;
424 case RF90_PATH_B:
425 case RF90_PATH_D:
426 u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
427 BRFSI_RFENV << 16);
428 break;
429 }
430
431 rtl_set_bbreg(hw, pphyreg->rfintfe, BRFSI_RFENV << 16, 0x1);
432 udelay(1);
433
434 rtl_set_bbreg(hw, pphyreg->rfintfo, BRFSI_RFENV, 0x1);
435 udelay(1);
436
437 rtl_set_bbreg(hw, pphyreg->rfhssi_para2,
438 B3WIREADDREAALENGTH, 0x0);
439 udelay(1);
440
441 rtl_set_bbreg(hw, pphyreg->rfhssi_para2, B3WIREDATALENGTH, 0x0);
442 udelay(1);
443
444 switch (rfpath) {
445 case RF90_PATH_A:
446 rtstatus = rtl92c_phy_config_rf_with_headerfile(hw,
447 (enum radio_path)rfpath);
448 break;
449 case RF90_PATH_B:
450 rtstatus = rtl92c_phy_config_rf_with_headerfile(hw,
451 (enum radio_path)rfpath);
452 break;
453 case RF90_PATH_C:
454 break;
455 case RF90_PATH_D:
456 break;
457 }
458
459 switch (rfpath) {
460 case RF90_PATH_A:
461 case RF90_PATH_C:
462 rtl_set_bbreg(hw, pphyreg->rfintfs,
463 BRFSI_RFENV, u4_regvalue);
464 break;
465 case RF90_PATH_B:
466 case RF90_PATH_D:
467 rtl_set_bbreg(hw, pphyreg->rfintfs,
468 BRFSI_RFENV << 16, u4_regvalue);
469 break;
470 }
471
472 if (!rtstatus) {
473 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
474 "Radio[%d] Fail!!\n", rfpath);
475 return false;
476 }
477
478 }
479
480 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, "<---\n");
481 return rtstatus;
482 }
483