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
11static bool _rtl92c_phy_rf6052_config_parafile(struct ieee80211_hw *hw);
12
13void rtl92cu_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, rfpath: RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
23 data: 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, rfpath: RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
29 data: rtlphy->rfreg_chnlval[0]);
30 break;
31 default:
32 pr_err("unknown bandwidth: %#X\n", bandwidth);
33 break;
34 }
35}
36
37void rtl92cu_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 = 0;
45 u8 idx1, idx2;
46 u8 *ptr;
47
48 if (mac->act_scanning) {
49 tx_agc[RF90_PATH_A] = 0x3f3f3f3f;
50 tx_agc[RF90_PATH_B] = 0x3f3f3f3f;
51 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
52 tx_agc[idx1] = ppowerlevel[idx1] |
53 (ppowerlevel[idx1] << 8) |
54 (ppowerlevel[idx1] << 16) |
55 (ppowerlevel[idx1] << 24);
56 if (tx_agc[idx1] > 0x20 && rtlefuse->external_pa)
57 tx_agc[idx1] = 0x20;
58 }
59 } else {
60 if (rtlpriv->dm.dynamic_txhighpower_lvl ==
61 TXHIGHPWRLEVEL_LEVEL1) {
62 tx_agc[RF90_PATH_A] = 0x10101010;
63 tx_agc[RF90_PATH_B] = 0x10101010;
64 } else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
65 TXHIGHPWRLEVEL_LEVEL2) {
66 tx_agc[RF90_PATH_A] = 0x00000000;
67 tx_agc[RF90_PATH_B] = 0x00000000;
68 } else {
69 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
70 tx_agc[idx1] = ppowerlevel[idx1] |
71 (ppowerlevel[idx1] << 8) |
72 (ppowerlevel[idx1] << 16) |
73 (ppowerlevel[idx1] << 24);
74 }
75 if (rtlefuse->eeprom_regulatory == 0) {
76 tmpval = (rtlphy->mcs_offset[0][6]) +
77 (rtlphy->mcs_offset[0][7] << 8);
78 tx_agc[RF90_PATH_A] += tmpval;
79 tmpval = (rtlphy->mcs_offset[0][14]) +
80 (rtlphy->mcs_offset[0][15] << 24);
81 tx_agc[RF90_PATH_B] += tmpval;
82 }
83 }
84 }
85 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
86 ptr = (u8 *) (&(tx_agc[idx1]));
87 for (idx2 = 0; idx2 < 4; idx2++) {
88 if (*ptr > RF6052_MAX_TX_PWR)
89 *ptr = RF6052_MAX_TX_PWR;
90 ptr++;
91 }
92 }
93 tmpval = tx_agc[RF90_PATH_A] & 0xff;
94 rtl_set_bbreg(hw, RTXAGC_A_CCK1_MCS32, MASKBYTE1, data: tmpval);
95
96 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
97 "CCK PWR 1M (rf-A) = 0x%x (reg 0x%x)\n",
98 tmpval, RTXAGC_A_CCK1_MCS32);
99
100 tmpval = tx_agc[RF90_PATH_A] >> 8;
101 if (mac->mode == WIRELESS_MODE_B)
102 tmpval = tmpval & 0xff00ffff;
103 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, bitmask: 0xffffff00, data: tmpval);
104 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
105 "CCK PWR 2~11M (rf-A) = 0x%x (reg 0x%x)\n",
106 tmpval, RTXAGC_B_CCK11_A_CCK2_11);
107 tmpval = tx_agc[RF90_PATH_B] >> 24;
108 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, MASKBYTE0, data: tmpval);
109 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
110 "CCK PWR 11M (rf-B) = 0x%x (reg 0x%x)\n",
111 tmpval, RTXAGC_B_CCK11_A_CCK2_11);
112 tmpval = tx_agc[RF90_PATH_B] & 0x00ffffff;
113 rtl_set_bbreg(hw, RTXAGC_B_CCK1_55_MCS32, bitmask: 0xffffff00, data: tmpval);
114 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
115 "CCK PWR 1~5.5M (rf-B) = 0x%x (reg 0x%x)\n",
116 tmpval, RTXAGC_B_CCK1_55_MCS32);
117}
118
119static void rtl92c_phy_get_power_base(struct ieee80211_hw *hw,
120 u8 *ppowerlevel, u8 channel,
121 u32 *ofdmbase, u32 *mcsbase)
122{
123 struct rtl_priv *rtlpriv = rtl_priv(hw);
124 struct rtl_phy *rtlphy = &(rtlpriv->phy);
125 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
126 u32 powerbase0, powerbase1;
127 u8 legacy_pwrdiff = 0, ht20_pwrdiff = 0;
128 u8 i, powerlevel[2];
129
130 for (i = 0; i < 2; i++) {
131 powerlevel[i] = ppowerlevel[i];
132 legacy_pwrdiff = rtlefuse->txpwr_legacyhtdiff[i][channel - 1];
133 powerbase0 = powerlevel[i] + legacy_pwrdiff;
134 powerbase0 = (powerbase0 << 24) | (powerbase0 << 16) |
135 (powerbase0 << 8) | powerbase0;
136 *(ofdmbase + i) = powerbase0;
137 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
138 " [OFDM power base index rf(%c) = 0x%x]\n",
139 i == 0 ? 'A' : 'B', *(ofdmbase + i));
140 }
141 for (i = 0; i < 2; i++) {
142 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20) {
143 ht20_pwrdiff = rtlefuse->txpwr_ht20diff[i][channel - 1];
144 powerlevel[i] += ht20_pwrdiff;
145 }
146 powerbase1 = powerlevel[i];
147 powerbase1 = (powerbase1 << 24) |
148 (powerbase1 << 16) | (powerbase1 << 8) | powerbase1;
149 *(mcsbase + i) = powerbase1;
150 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
151 " [MCS power base index rf(%c) = 0x%x]\n",
152 i == 0 ? 'A' : 'B', *(mcsbase + i));
153 }
154}
155
156static void _rtl92c_get_txpower_writeval_by_regulatory(struct ieee80211_hw *hw,
157 u8 channel, u8 index,
158 u32 *powerbase0,
159 u32 *powerbase1,
160 u32 *p_outwriteval)
161{
162 struct rtl_priv *rtlpriv = rtl_priv(hw);
163 struct rtl_phy *rtlphy = &(rtlpriv->phy);
164 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
165 u8 i, chnlgroup = 0, pwr_diff_limit[4];
166 u32 writeval, customer_limit, rf;
167
168 for (rf = 0; rf < 2; rf++) {
169 switch (rtlefuse->eeprom_regulatory) {
170 case 0:
171 chnlgroup = 0;
172 writeval = rtlphy->mcs_offset
173 [chnlgroup][index + (rf ? 8 : 0)]
174 + ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
175 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
176 "RTK better performance,writeval(%c) = 0x%x\n",
177 rf == 0 ? 'A' : 'B', writeval);
178 break;
179 case 1:
180 if (rtlphy->pwrgroup_cnt == 1)
181 chnlgroup = 0;
182 if (rtlphy->pwrgroup_cnt >= 3) {
183 if (channel <= 3)
184 chnlgroup = 0;
185 else if (channel >= 4 && channel <= 9)
186 chnlgroup = 1;
187 else if (channel > 9)
188 chnlgroup = 2;
189 if (rtlphy->current_chan_bw ==
190 HT_CHANNEL_WIDTH_20)
191 chnlgroup++;
192 else
193 chnlgroup += 4;
194 }
195 writeval = rtlphy->mcs_offset[chnlgroup][index +
196 (rf ? 8 : 0)] +
197 ((index < 2) ? powerbase0[rf] :
198 powerbase1[rf]);
199 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
200 "Realtek regulatory, 20MHz, writeval(%c) = 0x%x\n",
201 rf == 0 ? 'A' : 'B', writeval);
202 break;
203 case 2:
204 writeval = ((index < 2) ? powerbase0[rf] :
205 powerbase1[rf]);
206 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
207 "Better regulatory,writeval(%c) = 0x%x\n",
208 rf == 0 ? 'A' : 'B', writeval);
209 break;
210 case 3:
211 chnlgroup = 0;
212 if (rtlphy->current_chan_bw ==
213 HT_CHANNEL_WIDTH_20_40) {
214 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
215 "customer's limit, 40MHzrf(%c) = 0x%x\n",
216 rf == 0 ? 'A' : 'B',
217 rtlefuse->pwrgroup_ht40[rf]
218 [channel - 1]);
219 } else {
220 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
221 "customer's limit, 20MHz rf(%c) = 0x%x\n",
222 rf == 0 ? 'A' : 'B',
223 rtlefuse->pwrgroup_ht20[rf]
224 [channel - 1]);
225 }
226 for (i = 0; i < 4; i++) {
227 pwr_diff_limit[i] = (u8) ((rtlphy->mcs_offset
228 [chnlgroup][index + (rf ? 8 : 0)]
229 & (0x7f << (i * 8))) >> (i * 8));
230 if (rtlphy->current_chan_bw ==
231 HT_CHANNEL_WIDTH_20_40) {
232 if (pwr_diff_limit[i] >
233 rtlefuse->pwrgroup_ht40[rf]
234 [channel - 1])
235 pwr_diff_limit[i] = rtlefuse->
236 pwrgroup_ht40[rf]
237 [channel - 1];
238 } else {
239 if (pwr_diff_limit[i] >
240 rtlefuse->pwrgroup_ht20[rf]
241 [channel - 1])
242 pwr_diff_limit[i] =
243 rtlefuse->pwrgroup_ht20[rf]
244 [channel - 1];
245 }
246 }
247 customer_limit = (pwr_diff_limit[3] << 24) |
248 (pwr_diff_limit[2] << 16) |
249 (pwr_diff_limit[1] << 8) | (pwr_diff_limit[0]);
250 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
251 "Customer's limit rf(%c) = 0x%x\n",
252 rf == 0 ? 'A' : 'B', customer_limit);
253 writeval = customer_limit + ((index < 2) ?
254 powerbase0[rf] : powerbase1[rf]);
255 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
256 "Customer, writeval rf(%c)= 0x%x\n",
257 rf == 0 ? 'A' : 'B', writeval);
258 break;
259 default:
260 chnlgroup = 0;
261 writeval = rtlphy->mcs_offset[chnlgroup]
262 [index + (rf ? 8 : 0)] + ((index < 2) ?
263 powerbase0[rf] : powerbase1[rf]);
264 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
265 "RTK better performance, writevalrf(%c) = 0x%x\n",
266 rf == 0 ? 'A' : 'B', writeval);
267 break;
268 }
269 if (rtlpriv->dm.dynamic_txhighpower_lvl ==
270 TXHIGHPWRLEVEL_LEVEL1)
271 writeval = 0x14141414;
272 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
273 TXHIGHPWRLEVEL_LEVEL2)
274 writeval = 0x00000000;
275 if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
276 writeval = writeval - 0x06060606;
277 *(p_outwriteval + rf) = writeval;
278 }
279}
280
281static void _rtl92c_write_ofdm_power_reg(struct ieee80211_hw *hw,
282 u8 index, u32 *value)
283{
284 struct rtl_priv *rtlpriv = rtl_priv(hw);
285 struct rtl_phy *rtlphy = &(rtlpriv->phy);
286 u16 regoffset_a[6] = {
287 RTXAGC_A_RATE18_06, RTXAGC_A_RATE54_24,
288 RTXAGC_A_MCS03_MCS00, RTXAGC_A_MCS07_MCS04,
289 RTXAGC_A_MCS11_MCS08, RTXAGC_A_MCS15_MCS12
290 };
291 u16 regoffset_b[6] = {
292 RTXAGC_B_RATE18_06, RTXAGC_B_RATE54_24,
293 RTXAGC_B_MCS03_MCS00, RTXAGC_B_MCS07_MCS04,
294 RTXAGC_B_MCS11_MCS08, RTXAGC_B_MCS15_MCS12
295 };
296 u8 i, rf, pwr_val[4];
297 u32 writeval;
298 u16 regoffset;
299
300 for (rf = 0; rf < 2; rf++) {
301 writeval = value[rf];
302 for (i = 0; i < 4; i++) {
303 pwr_val[i] = (u8)((writeval & (0x7f << (i * 8))) >>
304 (i * 8));
305 if (pwr_val[i] > RF6052_MAX_TX_PWR)
306 pwr_val[i] = RF6052_MAX_TX_PWR;
307 }
308 writeval = (pwr_val[3] << 24) | (pwr_val[2] << 16) |
309 (pwr_val[1] << 8) | pwr_val[0];
310 if (rf == 0)
311 regoffset = regoffset_a[index];
312 else
313 regoffset = regoffset_b[index];
314 rtl_set_bbreg(hw, regaddr: regoffset, MASKDWORD, data: writeval);
315 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
316 "Set 0x%x = %08x\n", regoffset, writeval);
317 if (((get_rf_type(rtlphy) == RF_2T2R) &&
318 (regoffset == RTXAGC_A_MCS15_MCS12 ||
319 regoffset == RTXAGC_B_MCS15_MCS12)) ||
320 ((get_rf_type(rtlphy) != RF_2T2R) &&
321 (regoffset == RTXAGC_A_MCS07_MCS04 ||
322 regoffset == RTXAGC_B_MCS07_MCS04))) {
323 writeval = pwr_val[3];
324 if (regoffset == RTXAGC_A_MCS15_MCS12 ||
325 regoffset == RTXAGC_A_MCS07_MCS04)
326 regoffset = 0xc90;
327 if (regoffset == RTXAGC_B_MCS15_MCS12 ||
328 regoffset == RTXAGC_B_MCS07_MCS04)
329 regoffset = 0xc98;
330 for (i = 0; i < 3; i++) {
331 if (i != 2)
332 writeval = (writeval > 8) ?
333 (writeval - 8) : 0;
334 else
335 writeval = (writeval > 6) ?
336 (writeval - 6) : 0;
337 rtl_write_byte(rtlpriv, addr: (u32)(regoffset + i),
338 val8: (u8)writeval);
339 }
340 }
341 }
342}
343
344void rtl92cu_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw,
345 u8 *ppowerlevel, u8 channel)
346{
347 u32 writeval[2], powerbase0[2], powerbase1[2];
348 u8 index = 0;
349
350 rtl92c_phy_get_power_base(hw, ppowerlevel,
351 channel, ofdmbase: &powerbase0[0], mcsbase: &powerbase1[0]);
352 for (index = 0; index < 6; index++) {
353 _rtl92c_get_txpower_writeval_by_regulatory(hw,
354 channel, index,
355 powerbase0: &powerbase0[0],
356 powerbase1: &powerbase1[0],
357 p_outwriteval: &writeval[0]);
358 _rtl92c_write_ofdm_power_reg(hw, index, value: &writeval[0]);
359 }
360}
361
362bool rtl92cu_phy_rf6052_config(struct ieee80211_hw *hw)
363{
364 struct rtl_priv *rtlpriv = rtl_priv(hw);
365 struct rtl_phy *rtlphy = &(rtlpriv->phy);
366 bool rtstatus = true;
367 u8 b_reg_hwparafile = 1;
368
369 if (rtlphy->rf_type == RF_1T1R)
370 rtlphy->num_total_rfpath = 1;
371 else
372 rtlphy->num_total_rfpath = 2;
373 if (b_reg_hwparafile == 1)
374 rtstatus = _rtl92c_phy_rf6052_config_parafile(hw);
375 return rtstatus;
376}
377
378static bool _rtl92c_phy_rf6052_config_parafile(struct ieee80211_hw *hw)
379{
380 struct rtl_priv *rtlpriv = rtl_priv(hw);
381 struct rtl_phy *rtlphy = &(rtlpriv->phy);
382 u32 u4_regvalue = 0;
383 u8 rfpath;
384 bool rtstatus = true;
385 struct bb_reg_def *pphyreg;
386
387 for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) {
388 pphyreg = &rtlphy->phyreg_def[rfpath];
389 switch (rfpath) {
390 case RF90_PATH_A:
391 case RF90_PATH_C:
392 u4_regvalue = rtl_get_bbreg(hw, regaddr: pphyreg->rfintfs,
393 BRFSI_RFENV);
394 break;
395 case RF90_PATH_B:
396 case RF90_PATH_D:
397 u4_regvalue = rtl_get_bbreg(hw, regaddr: pphyreg->rfintfs,
398 BRFSI_RFENV << 16);
399 break;
400 }
401 rtl_set_bbreg(hw, regaddr: pphyreg->rfintfe, BRFSI_RFENV << 16, data: 0x1);
402 udelay(1);
403 rtl_set_bbreg(hw, regaddr: pphyreg->rfintfo, BRFSI_RFENV, data: 0x1);
404 udelay(1);
405 rtl_set_bbreg(hw, regaddr: pphyreg->rfhssi_para2,
406 B3WIREADDREAALENGTH, data: 0x0);
407 udelay(1);
408 rtl_set_bbreg(hw, regaddr: pphyreg->rfhssi_para2, B3WIREDATALENGTH, data: 0x0);
409 udelay(1);
410 switch (rfpath) {
411 case RF90_PATH_A:
412 case RF90_PATH_B:
413 rtstatus = rtl92cu_phy_config_rf_with_headerfile(hw,
414 rfpath: (enum radio_path) rfpath);
415 break;
416 case RF90_PATH_C:
417 break;
418 case RF90_PATH_D:
419 break;
420 }
421 switch (rfpath) {
422 case RF90_PATH_A:
423 case RF90_PATH_C:
424 rtl_set_bbreg(hw, regaddr: pphyreg->rfintfs,
425 BRFSI_RFENV, data: u4_regvalue);
426 break;
427 case RF90_PATH_B:
428 case RF90_PATH_D:
429 rtl_set_bbreg(hw, regaddr: pphyreg->rfintfs,
430 BRFSI_RFENV << 16, data: u4_regvalue);
431 break;
432 }
433 if (!rtstatus) {
434 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
435 "Radio[%d] Fail!!\n", rfpath);
436 goto phy_rf_cfg_fail;
437 }
438 }
439 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, "<---\n");
440phy_rf_cfg_fail:
441 return rtstatus;
442}
443

source code of linux/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/rf.c