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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / net / wireless / realtek / rtlwifi / rtl8821ae / rf.c
bloba6e56872e063950dd88eeb1f54f3fbe11e198b8d
1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009-2010 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 _rtl8821ae_phy_rf6052_config_parafile(struct ieee80211_hw *hw);
12
13 void rtl8821ae_phy_rf6052_set_bandwidth(struct ieee80211_hw *hw, u8 bandwidth)
14 {
15 switch (bandwidth) {
16 case HT_CHANNEL_WIDTH_20:
17 rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, BIT(11)|BIT(10), 3);
18 rtl_set_rfreg(hw, RF90_PATH_B, RF_CHNLBW, BIT(11)|BIT(10), 3);
19 break;
20 case HT_CHANNEL_WIDTH_20_40:
21 rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, BIT(11)|BIT(10), 1);
22 rtl_set_rfreg(hw, RF90_PATH_B, RF_CHNLBW, BIT(11)|BIT(10), 1);
23 break;
24 case HT_CHANNEL_WIDTH_80:
25 rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, BIT(11)|BIT(10), 0);
26 rtl_set_rfreg(hw, RF90_PATH_B, RF_CHNLBW, BIT(11)|BIT(10), 0);
27 break;
28 default:
29 pr_err("unknown bandwidth: %#X\n", bandwidth);
30 break;
31 }
32 }
33
34 void rtl8821ae_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw,
35 u8 *ppowerlevel)
36 {
37 struct rtl_priv *rtlpriv = rtl_priv(hw);
38 struct rtl_phy *rtlphy = &rtlpriv->phy;
39 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
40 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
41 u32 tx_agc[2] = {0, 0}, tmpval;
42 bool turbo_scanoff = false;
43 u8 idx1, idx2;
44 u8 *ptr;
45 u8 direction;
46 u32 pwrtrac_value;
47
48 if (rtlefuse->eeprom_regulatory != 0)
49 turbo_scanoff = true;
50
51 if (mac->act_scanning) {
52 tx_agc[RF90_PATH_A] = 0x3f3f3f3f;
53 tx_agc[RF90_PATH_B] = 0x3f3f3f3f;
54
55 if (turbo_scanoff) {
56 for (idx1 = RF90_PATH_A;
57 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 rtl8821ae_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];
104 rtl_set_bbreg(hw, RTXAGC_A_CCK11_CCK1, MASKDWORD, tmpval);
105
106 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
107 "CCK PWR 1~11M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
108 RTXAGC_A_CCK11_CCK1);
109
110 tmpval = tx_agc[RF90_PATH_B];
111 rtl_set_bbreg(hw, RTXAGC_B_CCK11_CCK1, MASKDWORD, tmpval);
112
113 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
114 "CCK PWR 11M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
115 RTXAGC_B_CCK11_CCK1);
116 }
117
118 static void rtl8821ae_phy_get_power_base(struct ieee80211_hw *hw,
119 u8 *ppowerlevel_ofdm,
120 u8 *ppowerlevel_bw20,
121 u8 *ppowerlevel_bw40, u8 channel,
122 u32 *ofdmbase, u32 *mcsbase)
123 {
124 struct rtl_priv *rtlpriv = rtl_priv(hw);
125 struct rtl_phy *rtlphy = &rtlpriv->phy;
126 u32 powerbase0, powerbase1;
127 u8 i, powerlevel[2];
128
129 for (i = 0; i < 2; i++) {
130 powerbase0 = ppowerlevel_ofdm[i];
131
132 powerbase0 = (powerbase0 << 24) | (powerbase0 << 16) |
133 (powerbase0 << 8) | powerbase0;
134 *(ofdmbase + i) = powerbase0;
135 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
136 " [OFDM power base index rf(%c) = 0x%x]\n",
137 ((i == 0) ? 'A' : 'B'), *(ofdmbase + i));
138 }
139
140 for (i = 0; i < 2; i++) {
141 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20)
142 powerlevel[i] = ppowerlevel_bw20[i];
143 else
144 powerlevel[i] = ppowerlevel_bw40[i];
145
146 powerbase1 = powerlevel[i];
147 powerbase1 = (powerbase1 << 24) |
148 (powerbase1 << 16) | (powerbase1 << 8) | powerbase1;
149
150 *(mcsbase + i) = powerbase1;
151
152 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
153 " [MCS power base index rf(%c) = 0x%x]\n",
154 ((i == 0) ? 'A' : 'B'), *(mcsbase + i));
155 }
156 }
157
158 static void get_txpower_writeval_by_regulatory(struct ieee80211_hw *hw,
159 u8 channel, u8 index,
160 u32 *powerbase0,
161 u32 *powerbase1,
162 u32 *p_outwriteval)
163 {
164 struct rtl_priv *rtlpriv = rtl_priv(hw);
165 struct rtl_phy *rtlphy = &rtlpriv->phy;
166 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
167 u8 i, chnlgroup = 0, pwr_diff_limit[4], pwr_diff = 0, customer_pwr_diff;
168 u32 writeval, customer_limit, rf;
169
170 for (rf = 0; rf < 2; rf++) {
171 switch (rtlefuse->eeprom_regulatory) {
172 case 0:
173 chnlgroup = 0;
174
175 writeval =
176 rtlphy->mcs_txpwrlevel_origoffset[chnlgroup][index +
177 (rf ? 8 : 0)]
178 + ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
179
180 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
181 "RTK better performance, writeval(%c) = 0x%x\n",
182 ((rf == 0) ? 'A' : 'B'), writeval);
183 break;
184 case 1:
185 if (rtlphy->pwrgroup_cnt == 1) {
186 chnlgroup = 0;
187 } else {
188 if (channel < 3)
189 chnlgroup = 0;
190 else if (channel < 6)
191 chnlgroup = 1;
192 else if (channel < 9)
193 chnlgroup = 2;
194 else if (channel < 12)
195 chnlgroup = 3;
196 else if (channel < 14)
197 chnlgroup = 4;
198 else if (channel == 14)
199 chnlgroup = 5;
200 }
201
202 writeval =
203 rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
204 [index + (rf ? 8 : 0)] + ((index < 2) ?
205 powerbase0[rf] :
206 powerbase1[rf]);
207
208 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
209 "Realtek regulatory, 20MHz, writeval(%c) = 0x%x\n",
210 ((rf == 0) ? 'A' : 'B'), writeval);
211
212 break;
213 case 2:
214 writeval =
215 ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
216
217 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
218 "Better regulatory, writeval(%c) = 0x%x\n",
219 ((rf == 0) ? 'A' : 'B'), writeval);
220 break;
221 case 3:
222 chnlgroup = 0;
223
224 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
225 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
226 "customer's limit, 40MHz rf(%c) = 0x%x\n",
227 ((rf == 0) ? 'A' : 'B'),
228 rtlefuse->pwrgroup_ht40[rf][channel -
229 1]);
230 } else {
231 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
232 "customer's limit, 20MHz rf(%c) = 0x%x\n",
233 ((rf == 0) ? 'A' : 'B'),
234 rtlefuse->pwrgroup_ht20[rf][channel -
235 1]);
236 }
237
238 if (index < 2)
239 pwr_diff = rtlefuse->txpwr_legacyhtdiff[rf][channel-1];
240 else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20)
241 pwr_diff =
242 rtlefuse->txpwr_ht20diff[rf][channel-1];
243
244 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40)
245 customer_pwr_diff =
246 rtlefuse->pwrgroup_ht40[rf][channel-1];
247 else
248 customer_pwr_diff =
249 rtlefuse->pwrgroup_ht20[rf][channel-1];
250
251 if (pwr_diff > customer_pwr_diff)
252 pwr_diff = 0;
253 else
254 pwr_diff = customer_pwr_diff - pwr_diff;
255
256 for (i = 0; i < 4; i++) {
257 pwr_diff_limit[i] =
258 (u8)((rtlphy->mcs_txpwrlevel_origoffset
259 [chnlgroup][index + (rf ? 8 : 0)] &
260 (0x7f << (i * 8))) >> (i * 8));
261
262 if (pwr_diff_limit[i] > pwr_diff)
263 pwr_diff_limit[i] = pwr_diff;
264 }
265
266 customer_limit = (pwr_diff_limit[3] << 24) |
267 (pwr_diff_limit[2] << 16) |
268 (pwr_diff_limit[1] << 8) | (pwr_diff_limit[0]);
269
270 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
271 "Customer's limit rf(%c) = 0x%x\n",
272 ((rf == 0) ? 'A' : 'B'), customer_limit);
273
274 writeval = customer_limit +
275 ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
276
277 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
278 "Customer, writeval rf(%c)= 0x%x\n",
279 ((rf == 0) ? 'A' : 'B'), writeval);
280 break;
281 default:
282 chnlgroup = 0;
283 writeval =
284 rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
285 [index + (rf ? 8 : 0)]
286 + ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
287
288 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
289 "RTK better performance, writeval rf(%c) = 0x%x\n",
290 ((rf == 0) ? 'A' : 'B'), writeval);
291 break;
292 }
293
294 if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
295 writeval = writeval - 0x06060606;
296 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
297 TXHIGHPWRLEVEL_BT2)
298 writeval = writeval - 0x0c0c0c0c;
299 *(p_outwriteval + rf) = writeval;
300 }
301 }
302
303 static void _rtl8821ae_write_ofdm_power_reg(struct ieee80211_hw *hw,
304 u8 index, u32 *pvalue)
305 {
306 struct rtl_priv *rtlpriv = rtl_priv(hw);
307 u16 regoffset_a[6] = {
308 RTXAGC_A_OFDM18_OFDM6, RTXAGC_A_OFDM54_OFDM24,
309 RTXAGC_A_MCS03_MCS00, RTXAGC_A_MCS07_MCS04,
310 RTXAGC_A_MCS11_MCS08, RTXAGC_A_MCS15_MCS12
311 };
312 u16 regoffset_b[6] = {
313 RTXAGC_B_OFDM18_OFDM6, RTXAGC_B_OFDM54_OFDM24,
314 RTXAGC_B_MCS03_MCS00, RTXAGC_B_MCS07_MCS04,
315 RTXAGC_B_MCS11_MCS08, RTXAGC_B_MCS15_MCS12
316 };
317 u8 i, rf, pwr_val[4];
318 u32 writeval;
319 u16 regoffset;
320
321 for (rf = 0; rf < 2; rf++) {
322 writeval = pvalue[rf];
323 for (i = 0; i < 4; i++) {
324 pwr_val[i] = (u8)((writeval & (0x7f <<
325 (i * 8))) >> (i * 8));
326
327 if (pwr_val[i] > RF6052_MAX_TX_PWR)
328 pwr_val[i] = RF6052_MAX_TX_PWR;
329 }
330 writeval = (pwr_val[3] << 24) | (pwr_val[2] << 16) |
331 (pwr_val[1] << 8) | pwr_val[0];
332
333 if (rf == 0)
334 regoffset = regoffset_a[index];
335 else
336 regoffset = regoffset_b[index];
337 rtl_set_bbreg(hw, regoffset, MASKDWORD, writeval);
338
339 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
340 "Set 0x%x = %08x\n", regoffset, writeval);
341 }
342 }
343
344 void rtl8821ae_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw,
345 u8 *ppowerlevel_ofdm,
346 u8 *ppowerlevel_bw20,
347 u8 *ppowerlevel_bw40,
348 u8 channel)
349 {
350 u32 writeval[2], powerbase0[2], powerbase1[2];
351 u8 index;
352 u8 direction;
353 u32 pwrtrac_value;
354
355 rtl8821ae_phy_get_power_base(hw, ppowerlevel_ofdm,
356 ppowerlevel_bw20,
357 ppowerlevel_bw40,
358 channel,
359 &powerbase0[0],
360 &powerbase1[0]);
361
362 rtl8821ae_dm_txpower_track_adjust(hw, 1, &direction, &pwrtrac_value);
363
364 for (index = 0; index < 6; index++) {
365 get_txpower_writeval_by_regulatory(hw, channel, index,
366 &powerbase0[0],
367 &powerbase1[0],
368 &writeval[0]);
369 if (direction == 1) {
370 writeval[0] += pwrtrac_value;
371 writeval[1] += pwrtrac_value;
372 } else if (direction == 2) {
373 writeval[0] -= pwrtrac_value;
374 writeval[1] -= pwrtrac_value;
375 }
376 _rtl8821ae_write_ofdm_power_reg(hw, index, &writeval[0]);
377 }
378 }
379
380 bool rtl8821ae_phy_rf6052_config(struct ieee80211_hw *hw)
381 {
382 struct rtl_priv *rtlpriv = rtl_priv(hw);
383 struct rtl_phy *rtlphy = &rtlpriv->phy;
384
385 if (rtlphy->rf_type == RF_1T1R)
386 rtlphy->num_total_rfpath = 1;
387 else
388 rtlphy->num_total_rfpath = 2;
389
390 return _rtl8821ae_phy_rf6052_config_parafile(hw);
391 }
392
393 static bool _rtl8821ae_phy_rf6052_config_parafile(struct ieee80211_hw *hw)
394 {
395 struct rtl_priv *rtlpriv = rtl_priv(hw);
396 struct rtl_phy *rtlphy = &rtlpriv->phy;
397 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
398 u8 rfpath;
399 bool rtstatus = true;
400
401 for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) {
402 switch (rfpath) {
403 case RF90_PATH_A: {
404 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
405 rtstatus =
406 rtl8812ae_phy_config_rf_with_headerfile(hw,
407 (enum radio_path)rfpath);
408 else
409 rtstatus =
410 rtl8821ae_phy_config_rf_with_headerfile(hw,
411 (enum radio_path)rfpath);
412 break;
413 }
414 case RF90_PATH_B:
415 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
416 rtstatus =
417 rtl8812ae_phy_config_rf_with_headerfile(hw,
418 (enum radio_path)rfpath);
419 else
420 rtstatus =
421 rtl8821ae_phy_config_rf_with_headerfile(hw,
422 (enum radio_path)rfpath);
423 break;
424 case RF90_PATH_C:
425 break;
426 case RF90_PATH_D:
427 break;
428 }
429
430 if (!rtstatus) {
431 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
432 "Radio[%d] Fail!!\n", rfpath);
433 return false;
434 }
435 }
436
437 /*put arrays in dm.c*/
438 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "\n");
439 return rtstatus;
440 }
Linux with added FPC-III support