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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / net / wireless / realtek / rtlwifi / rtl8723be / rf.c
blobaf72e489e31cdece2723f0de38e7d826fe88da48
1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009-2014 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 _rtl8723be_phy_rf6052_config_parafile(struct ieee80211_hw *hw);
12
13 void rtl8723be_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) | BIT(10) | BIT(11));
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) | BIT(10));
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
37 void rtl8723be_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 u8 direction;
49 u32 pwrtrac_value;
50
51 if (rtlefuse->eeprom_regulatory != 0)
52 turbo_scanoff = true;
53
54 if (mac->act_scanning) {
55 tx_agc[RF90_PATH_A] = 0x3f3f3f3f;
56 tx_agc[RF90_PATH_B] = 0x3f3f3f3f;
57
58 if (turbo_scanoff) {
59 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
60 tx_agc[idx1] = ppowerlevel[idx1] |
61 (ppowerlevel[idx1] << 8) |
62 (ppowerlevel[idx1] << 16) |
63 (ppowerlevel[idx1] << 24);
64 }
65 }
66 } else {
67 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
68 tx_agc[idx1] = ppowerlevel[idx1] |
69 (ppowerlevel[idx1] << 8) |
70 (ppowerlevel[idx1] << 16) |
71 (ppowerlevel[idx1] << 24);
72 }
73
74 if (rtlefuse->eeprom_regulatory == 0) {
75 tmpval =
76 (rtlphy->mcs_txpwrlevel_origoffset[0][6]) +
77 (rtlphy->mcs_txpwrlevel_origoffset[0][7] << 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 rtl8723be_dm_txpower_track_adjust(hw, 1, &direction, &pwrtrac_value);
96 if (direction == 1) {
97 tx_agc[0] += pwrtrac_value;
98 tx_agc[1] += pwrtrac_value;
99 } else if (direction == 2) {
100 tx_agc[0] -= pwrtrac_value;
101 tx_agc[1] -= pwrtrac_value;
102 }
103 tmpval = tx_agc[RF90_PATH_A] & 0xff;
104 rtl_set_bbreg(hw, RTXAGC_A_CCK1_MCS32, MASKBYTE1, tmpval);
105
106 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
107 "CCK PWR 1M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
108 RTXAGC_A_CCK1_MCS32);
109
110 tmpval = tx_agc[RF90_PATH_A] >> 8;
111
112 /*tmpval = tmpval & 0xff00ffff;*/
113
114 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, 0xffffff00, tmpval);
115
116 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
117 "CCK PWR 2~11M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
118 RTXAGC_B_CCK11_A_CCK2_11);
119
120 tmpval = tx_agc[RF90_PATH_B] >> 24;
121 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, MASKBYTE0, tmpval);
122
123 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
124 "CCK PWR 11M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
125 RTXAGC_B_CCK11_A_CCK2_11);
126
127 tmpval = tx_agc[RF90_PATH_B] & 0x00ffffff;
128 rtl_set_bbreg(hw, RTXAGC_B_CCK1_55_MCS32, 0xffffff00, tmpval);
129
130 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
131 "CCK PWR 1~5.5M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
132 RTXAGC_B_CCK1_55_MCS32);
133 }
134
135 static void rtl8723be_phy_get_power_base(struct ieee80211_hw *hw,
136 u8 *ppowerlevel_ofdm,
137 u8 *ppowerlevel_bw20,
138 u8 *ppowerlevel_bw40,
139 u8 channel, u32 *ofdmbase,
140 u32 *mcsbase)
141 {
142 struct rtl_priv *rtlpriv = rtl_priv(hw);
143 struct rtl_phy *rtlphy = &(rtlpriv->phy);
144 u32 powerbase0, powerbase1;
145 u8 i, powerlevel[2];
146
147 for (i = 0; i < 2; i++) {
148 powerbase0 = ppowerlevel_ofdm[i];
149
150 powerbase0 = (powerbase0 << 24) | (powerbase0 << 16) |
151 (powerbase0 << 8) | powerbase0;
152 *(ofdmbase + i) = powerbase0;
153 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
154 " [OFDM power base index rf(%c) = 0x%x]\n",
155 ((i == 0) ? 'A' : 'B'), *(ofdmbase + i));
156 }
157
158 for (i = 0; i < 2; i++) {
159 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20)
160 powerlevel[i] = ppowerlevel_bw20[i];
161 else
162 powerlevel[i] = ppowerlevel_bw40[i];
163
164 powerbase1 = powerlevel[i];
165 powerbase1 = (powerbase1 << 24) | (powerbase1 << 16) |
166 (powerbase1 << 8) | powerbase1;
167
168 *(mcsbase + i) = powerbase1;
169
170 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
171 " [MCS power base index rf(%c) = 0x%x]\n",
172 ((i == 0) ? 'A' : 'B'), *(mcsbase + i));
173 }
174 }
175
176 static void _rtl8723be_get_txpower_writeval_by_regulatory(
177 struct ieee80211_hw *hw,
178 u8 channel, u8 index,
179 u32 *powerbase0,
180 u32 *powerbase1,
181 u32 *p_outwriteval)
182 {
183 struct rtl_priv *rtlpriv = rtl_priv(hw);
184 struct rtl_phy *rtlphy = &(rtlpriv->phy);
185 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
186 u8 i, chnlgroup = 0, pwr_diff_limit[4], pwr_diff = 0, customer_pwr_diff;
187 u32 writeval, customer_limit, rf;
188
189 for (rf = 0; rf < 2; rf++) {
190 switch (rtlefuse->eeprom_regulatory) {
191 case 0:
192 chnlgroup = 0;
193
194 writeval =
195 rtlphy->mcs_txpwrlevel_origoffset[chnlgroup][index +
196 (rf ? 8 : 0)]
197 + ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
198
199 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
200 "RTK better performance, writeval(%c) = 0x%x\n",
201 ((rf == 0) ? 'A' : 'B'), writeval);
202 break;
203 case 1:
204 if (rtlphy->pwrgroup_cnt == 1) {
205 chnlgroup = 0;
206 } else {
207 if (channel < 3)
208 chnlgroup = 0;
209 else if (channel < 6)
210 chnlgroup = 1;
211 else if (channel < 9)
212 chnlgroup = 2;
213 else if (channel < 12)
214 chnlgroup = 3;
215 else if (channel < 14)
216 chnlgroup = 4;
217 else if (channel == 14)
218 chnlgroup = 5;
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
248 [rf][channel - 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
254 [rf][channel - 1]);
255 }
256
257 if (index < 2)
258 pwr_diff =
259 rtlefuse->txpwr_legacyhtdiff[rf][channel-1];
260 else if (rtlphy->current_chan_bw ==
261 HT_CHANNEL_WIDTH_20)
262 pwr_diff =
263 rtlefuse->txpwr_ht20diff[rf][channel-1];
264
265 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40)
266 customer_pwr_diff =
267 rtlefuse->pwrgroup_ht40[rf][channel-1];
268 else
269 customer_pwr_diff =
270 rtlefuse->pwrgroup_ht20[rf][channel-1];
271
272 if (pwr_diff > customer_pwr_diff)
273 pwr_diff = 0;
274 else
275 pwr_diff = customer_pwr_diff - pwr_diff;
276
277 for (i = 0; i < 4; i++) {
278 pwr_diff_limit[i] =
279 (u8)((rtlphy->mcs_txpwrlevel_origoffset
280 [chnlgroup][index + (rf ? 8 : 0)] &
281 (0x7f << (i * 8))) >> (i * 8));
282
283 if (pwr_diff_limit[i] > pwr_diff)
284 pwr_diff_limit[i] = pwr_diff;
285 }
286
287 customer_limit = (pwr_diff_limit[3] << 24) |
288 (pwr_diff_limit[2] << 16) |
289 (pwr_diff_limit[1] << 8) |
290 (pwr_diff_limit[0]);
291
292 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
293 "Customer's limit rf(%c) = 0x%x\n",
294 ((rf == 0) ? 'A' : 'B'), customer_limit);
295
296 writeval = customer_limit + ((index < 2) ?
297 powerbase0[rf] :
298 powerbase1[rf]);
299
300 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
301 "Customer, writeval rf(%c)= 0x%x\n",
302 ((rf == 0) ? 'A' : 'B'), writeval);
303 break;
304 default:
305 chnlgroup = 0;
306 writeval =
307 rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
308 [index + (rf ? 8 : 0)]
309 + ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
310
311 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
312 "RTK better performance, writeval rf(%c) = 0x%x\n",
313 ((rf == 0) ? 'A' : 'B'), writeval);
314 break;
315 }
316
317 if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
318 writeval = writeval - 0x06060606;
319 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
320 TXHIGHPWRLEVEL_BT2)
321 writeval = writeval - 0x0c0c0c0c;
322 *(p_outwriteval + rf) = writeval;
323 }
324 }
325
326 static void _rtl8723be_write_ofdm_power_reg(struct ieee80211_hw *hw,
327 u8 index, u32 *pvalue)
328 {
329 struct rtl_priv *rtlpriv = rtl_priv(hw);
330 u16 regoffset_a[6] = {
331 RTXAGC_A_RATE18_06, RTXAGC_A_RATE54_24,
332 RTXAGC_A_MCS03_MCS00, RTXAGC_A_MCS07_MCS04,
333 RTXAGC_A_MCS11_MCS08, RTXAGC_A_MCS15_MCS12
334 };
335 u16 regoffset_b[6] = {
336 RTXAGC_B_RATE18_06, RTXAGC_B_RATE54_24,
337 RTXAGC_B_MCS03_MCS00, RTXAGC_B_MCS07_MCS04,
338 RTXAGC_B_MCS11_MCS08, RTXAGC_B_MCS15_MCS12
339 };
340 u8 i, rf, pwr_val[4];
341 u32 writeval;
342 u16 regoffset;
343
344 for (rf = 0; rf < 2; rf++) {
345 writeval = pvalue[rf];
346 for (i = 0; i < 4; i++) {
347 pwr_val[i] = (u8)((writeval & (0x7f <<
348 (i * 8))) >> (i * 8));
349
350 if (pwr_val[i] > RF6052_MAX_TX_PWR)
351 pwr_val[i] = RF6052_MAX_TX_PWR;
352 }
353 writeval = (pwr_val[3] << 24) | (pwr_val[2] << 16) |
354 (pwr_val[1] << 8) | pwr_val[0];
355
356 if (rf == 0)
357 regoffset = regoffset_a[index];
358 else
359 regoffset = regoffset_b[index];
360 rtl_set_bbreg(hw, regoffset, MASKDWORD, writeval);
361
362 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
363 "Set 0x%x = %08x\n", regoffset, writeval);
364 }
365 }
366
367 void rtl8723be_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw,
368 u8 *ppowerlevel_ofdm,
369 u8 *ppowerlevel_bw20,
370 u8 *ppowerlevel_bw40, u8 channel)
371 {
372 u32 writeval[2], powerbase0[2], powerbase1[2];
373 u8 index;
374 u8 direction;
375 u32 pwrtrac_value;
376
377 rtl8723be_phy_get_power_base(hw, ppowerlevel_ofdm, ppowerlevel_bw20,
378 ppowerlevel_bw40, channel,
379 &powerbase0[0], &powerbase1[0]);
380
381 rtl8723be_dm_txpower_track_adjust(hw, 1, &direction, &pwrtrac_value);
382
383 for (index = 0; index < 6; index++) {
384 _rtl8723be_get_txpower_writeval_by_regulatory(hw,
385 channel, index,
386 &powerbase0[0],
387 &powerbase1[0],
388 &writeval[0]);
389 if (direction == 1) {
390 writeval[0] += pwrtrac_value;
391 writeval[1] += pwrtrac_value;
392 } else if (direction == 2) {
393 writeval[0] -= pwrtrac_value;
394 writeval[1] -= pwrtrac_value;
395 }
396 _rtl8723be_write_ofdm_power_reg(hw, index, &writeval[0]);
397 }
398 }
399
400 bool rtl8723be_phy_rf6052_config(struct ieee80211_hw *hw)
401 {
402 struct rtl_priv *rtlpriv = rtl_priv(hw);
403 struct rtl_phy *rtlphy = &(rtlpriv->phy);
404
405 if (rtlphy->rf_type == RF_1T1R)
406 rtlphy->num_total_rfpath = 1;
407 else
408 rtlphy->num_total_rfpath = 2;
409
410 return _rtl8723be_phy_rf6052_config_parafile(hw);
411
412 }
413
414 static bool _rtl8723be_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 pphyreg = &rtlphy->phyreg_def[rfpath];
425
426 switch (rfpath) {
427 case RF90_PATH_A:
428 case RF90_PATH_C:
429 u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
430 BRFSI_RFENV);
431 break;
432 case RF90_PATH_B:
433 case RF90_PATH_D:
434 u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
435 BRFSI_RFENV << 16);
436 break;
437 }
438
439 rtl_set_bbreg(hw, pphyreg->rfintfe, BRFSI_RFENV << 16, 0x1);
440 udelay(1);
441
442 rtl_set_bbreg(hw, pphyreg->rfintfo, BRFSI_RFENV, 0x1);
443 udelay(1);
444
445 rtl_set_bbreg(hw, pphyreg->rfhssi_para2,
446 B3WIREADDREAALENGTH, 0x0);
447 udelay(1);
448
449 rtl_set_bbreg(hw, pphyreg->rfhssi_para2, B3WIREDATALENGTH, 0x0);
450 udelay(1);
451
452 switch (rfpath) {
453 case RF90_PATH_A:
454 rtstatus = rtl8723be_phy_config_rf_with_headerfile(hw,
455 (enum radio_path)rfpath);
456 break;
457 case RF90_PATH_B:
458 rtstatus = rtl8723be_phy_config_rf_with_headerfile(hw,
459 (enum radio_path)rfpath);
460 break;
461 case RF90_PATH_C:
462 break;
463 case RF90_PATH_D:
464 break;
465 }
466
467 switch (rfpath) {
468 case RF90_PATH_A:
469 case RF90_PATH_C:
470 rtl_set_bbreg(hw, pphyreg->rfintfs,
471 BRFSI_RFENV, u4_regvalue);
472 break;
473 case RF90_PATH_B:
474 case RF90_PATH_D:
475 rtl_set_bbreg(hw, pphyreg->rfintfs,
476 BRFSI_RFENV << 16, u4_regvalue);
477 break;
478 }
479
480 if (!rtstatus) {
481 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
482 "Radio[%d] Fail!!\n", rfpath);
483 return false;
484 }
485 }
486
487 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "\n");
488 return rtstatus;
489 }
Linux with added FPC-III support