1 /******************************************************************************
2 *
3 * Copyright(c) 2009-2013 Realtek Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
25 *
26 * Larry Finger <Larry.Finger@lwfinger.net>
27 *
28 *****************************************************************************/
29
30 #include "../wifi.h"
31 #include "reg.h"
32 #include "def.h"
33 #include "phy.h"
34 #include "rf.h"
35 #include "dm.h"
36
rtl88e_phy_rf6052_set_bandwidth(struct ieee80211_hw * hw,u8 bandwidth)37 void rtl88e_phy_rf6052_set_bandwidth(struct ieee80211_hw *hw, u8 bandwidth)
38 {
39 struct rtl_priv *rtlpriv = rtl_priv(hw);
40 struct rtl_phy *rtlphy = &(rtlpriv->phy);
41
42 switch (bandwidth) {
43 case HT_CHANNEL_WIDTH_20:
44 rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
45 0xfffff3ff) | BIT(10) | BIT(11));
46 rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
47 rtlphy->rfreg_chnlval[0]);
48 break;
49 case HT_CHANNEL_WIDTH_20_40:
50 rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
51 0xfffff3ff) | BIT(10));
52 rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
53 rtlphy->rfreg_chnlval[0]);
54 break;
55 default:
56 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
57 "unknown bandwidth: %#X\n", bandwidth);
58 break;
59 }
60 }
61
rtl88e_phy_rf6052_set_cck_txpower(struct ieee80211_hw * hw,u8 * plevel)62 void rtl88e_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw,
63 u8 *plevel)
64 {
65 struct rtl_priv *rtlpriv = rtl_priv(hw);
66 struct rtl_phy *rtlphy = &(rtlpriv->phy);
67 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
68 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
69 u32 tx_agc[2] = {0, 0}, tmpval;
70 bool turbo_scanoff = false;
71 u8 idx1, idx2;
72 u8 *ptr;
73 u8 direction;
74 u32 pwrtrac_value;
75
76 if (rtlefuse->eeprom_regulatory != 0)
77 turbo_scanoff = true;
78
79 if (mac->act_scanning == true) {
80 tx_agc[RF90_PATH_A] = 0x3f3f3f3f;
81 tx_agc[RF90_PATH_B] = 0x3f3f3f3f;
82
83 if (turbo_scanoff) {
84 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
85 tx_agc[idx1] = plevel[idx1] |
86 (plevel[idx1] << 8) |
87 (plevel[idx1] << 16) |
88 (plevel[idx1] << 24);
89 }
90 }
91 } else {
92 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
93 tx_agc[idx1] = plevel[idx1] | (plevel[idx1] << 8) |
94 (plevel[idx1] << 16) |
95 (plevel[idx1] << 24);
96 }
97
98 if (rtlefuse->eeprom_regulatory == 0) {
99 tmpval = (rtlphy->mcs_offset[0][6]) +
100 (rtlphy->mcs_offset[0][7] << 8);
101 tx_agc[RF90_PATH_A] += tmpval;
102
103 tmpval = (rtlphy->mcs_offset[0][14]) +
104 (rtlphy->mcs_offset[0][15] << 24);
105 tx_agc[RF90_PATH_B] += tmpval;
106 }
107 }
108
109 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
110 ptr = (u8 *)(&(tx_agc[idx1]));
111 for (idx2 = 0; idx2 < 4; idx2++) {
112 if (*ptr > RF6052_MAX_TX_PWR)
113 *ptr = RF6052_MAX_TX_PWR;
114 ptr++;
115 }
116 }
117 rtl88e_dm_txpower_track_adjust(hw, 1, &direction, &pwrtrac_value);
118 if (direction == 1) {
119 tx_agc[0] += pwrtrac_value;
120 tx_agc[1] += pwrtrac_value;
121 } else if (direction == 2) {
122 tx_agc[0] -= pwrtrac_value;
123 tx_agc[1] -= pwrtrac_value;
124 }
125 tmpval = tx_agc[RF90_PATH_A] & 0xff;
126 rtl_set_bbreg(hw, RTXAGC_A_CCK1_MCS32, MASKBYTE1, tmpval);
127
128 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
129 "CCK PWR 1M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
130 RTXAGC_A_CCK1_MCS32);
131
132 tmpval = tx_agc[RF90_PATH_A] >> 8;
133
134 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, 0xffffff00, tmpval);
135
136 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
137 "CCK PWR 2~11M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
138 RTXAGC_B_CCK11_A_CCK2_11);
139
140 tmpval = tx_agc[RF90_PATH_B] >> 24;
141 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, MASKBYTE0, tmpval);
142
143 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
144 "CCK PWR 11M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
145 RTXAGC_B_CCK11_A_CCK2_11);
146
147 tmpval = tx_agc[RF90_PATH_B] & 0x00ffffff;
148 rtl_set_bbreg(hw, RTXAGC_B_CCK1_55_MCS32, 0xffffff00, tmpval);
149
150 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
151 "CCK PWR 1~5.5M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
152 RTXAGC_B_CCK1_55_MCS32);
153 }
154
rtl88e_phy_get_power_base(struct ieee80211_hw * hw,u8 * pwrlvlofdm,u8 * pwrlvlbw20,u8 * pwrlvlbw40,u8 channel,u32 * ofdmbase,u32 * mcsbase)155 static void rtl88e_phy_get_power_base(struct ieee80211_hw *hw,
156 u8 *pwrlvlofdm, u8 *pwrlvlbw20,
157 u8 *pwrlvlbw40, u8 channel,
158 u32 *ofdmbase, u32 *mcsbase)
159 {
160 struct rtl_priv *rtlpriv = rtl_priv(hw);
161 struct rtl_phy *rtlphy = &(rtlpriv->phy);
162 u32 base0, base1;
163 u8 i, powerlevel[2];
164
165 for (i = 0; i < 2; i++) {
166 base0 = pwrlvlofdm[i];
167
168 base0 = (base0 << 24) | (base0 << 16) |
169 (base0 << 8) | base0;
170 *(ofdmbase + i) = base0;
171 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
172 "[OFDM power base index rf(%c) = 0x%x]\n",
173 ((i == 0) ? 'A' : 'B'), *(ofdmbase + i));
174 }
175
176 for (i = 0; i < 2; i++) {
177 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20)
178 powerlevel[i] = pwrlvlbw20[i];
179 else
180 powerlevel[i] = pwrlvlbw40[i];
181 base1 = powerlevel[i];
182 base1 = (base1 << 24) |
183 (base1 << 16) | (base1 << 8) | base1;
184
185 *(mcsbase + i) = base1;
186
187 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
188 "[MCS power base index rf(%c) = 0x%x]\n",
189 ((i == 0) ? 'A' : 'B'), *(mcsbase + i));
190 }
191 }
192
get_txpwr_by_reg(struct ieee80211_hw * hw,u8 chan,u8 index,u32 * base0,u32 * base1,u32 * outval)193 static void get_txpwr_by_reg(struct ieee80211_hw *hw, u8 chan, u8 index,
194 u32 *base0, u32 *base1, u32 *outval)
195 {
196 struct rtl_priv *rtlpriv = rtl_priv(hw);
197 struct rtl_phy *rtlphy = &(rtlpriv->phy);
198 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
199 u8 i, chg = 0, pwr_lim[4], pwr_diff = 0, cust_pwr_dif;
200 u32 writeval, cust_lim, rf, tmp;
201 u8 ch = chan - 1;
202 u8 j;
203
204 for (rf = 0; rf < 2; rf++) {
205 j = index + (rf ? 8 : 0);
206 tmp = ((index < 2) ? base0[rf] : base1[rf]);
207 switch (rtlefuse->eeprom_regulatory) {
208 case 0:
209 chg = 0;
210
211 writeval = rtlphy->mcs_offset[chg][j] + tmp;
212
213 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
214 "RTK better performance, "
215 "writeval(%c) = 0x%x\n",
216 ((rf == 0) ? 'A' : 'B'), writeval);
217 break;
218 case 1:
219 if (rtlphy->pwrgroup_cnt == 1) {
220 chg = 0;
221 } else {
222 chg = chan / 3;
223 if (chan == 14)
224 chg = 5;
225 }
226 writeval = rtlphy->mcs_offset[chg][j] + tmp;
227
228 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
229 "Realtek regulatory, 20MHz, writeval(%c) = 0x%x\n",
230 ((rf == 0) ? 'A' : 'B'), writeval);
231 break;
232 case 2:
233 writeval = ((index < 2) ? base0[rf] : base1[rf]);
234
235 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
236 "Better regulatory, writeval(%c) = 0x%x\n",
237 ((rf == 0) ? 'A' : 'B'), writeval);
238 break;
239 case 3:
240 chg = 0;
241
242 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
243 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
244 "customer's limit, 40MHz rf(%c) = 0x%x\n",
245 ((rf == 0) ? 'A' : 'B'),
246 rtlefuse->pwrgroup_ht40[rf][ch]);
247 } else {
248 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
249 "customer's limit, 20MHz rf(%c) = 0x%x\n",
250 ((rf == 0) ? 'A' : 'B'),
251 rtlefuse->pwrgroup_ht20[rf][ch]);
252 }
253
254 if (index < 2)
255 pwr_diff = rtlefuse->txpwr_legacyhtdiff[rf][ch];
256 else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20)
257 pwr_diff = rtlefuse->txpwr_ht20diff[rf][ch];
258
259 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40)
260 cust_pwr_dif = rtlefuse->pwrgroup_ht40[rf][ch];
261 else
262 cust_pwr_dif = rtlefuse->pwrgroup_ht20[rf][ch];
263
264 if (pwr_diff > cust_pwr_dif)
265 pwr_diff = 0;
266 else
267 pwr_diff = cust_pwr_dif - pwr_diff;
268
269 for (i = 0; i < 4; i++) {
270 pwr_lim[i] = (u8)((rtlphy->mcs_offset[chg][j] &
271 (0x7f << (i * 8))) >> (i * 8));
272
273 if (pwr_lim[i] > pwr_diff)
274 pwr_lim[i] = pwr_diff;
275 }
276
277 cust_lim = (pwr_lim[3] << 24) | (pwr_lim[2] << 16) |
278 (pwr_lim[1] << 8) | (pwr_lim[0]);
279
280 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
281 "Customer's limit rf(%c) = 0x%x\n",
282 ((rf == 0) ? 'A' : 'B'), cust_lim);
283
284 writeval = cust_lim + tmp;
285
286 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
287 "Customer, writeval rf(%c) = 0x%x\n",
288 ((rf == 0) ? 'A' : 'B'), writeval);
289 break;
290 default:
291 chg = 0;
292 writeval = rtlphy->mcs_offset[chg][j] + tmp;
293
294 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
295 "RTK better performance, writeval "
296 "rf(%c) = 0x%x\n",
297 ((rf == 0) ? 'A' : 'B'), writeval);
298 break;
299 }
300
301 if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
302 writeval = writeval - 0x06060606;
303 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
304 TXHIGHPWRLEVEL_BT2)
305 writeval -= 0x0c0c0c0c;
306 *(outval + rf) = writeval;
307 }
308 }
309
write_ofdm_pwr(struct ieee80211_hw * hw,u8 index,u32 * pvalue)310 static void write_ofdm_pwr(struct ieee80211_hw *hw, u8 index, u32 *pvalue)
311 {
312 struct rtl_priv *rtlpriv = rtl_priv(hw);
313 u16 regoffset_a[6] = {
314 RTXAGC_A_RATE18_06, RTXAGC_A_RATE54_24,
315 RTXAGC_A_MCS03_MCS00, RTXAGC_A_MCS07_MCS04,
316 RTXAGC_A_MCS11_MCS08, RTXAGC_A_MCS15_MCS12
317 };
318 u16 regoffset_b[6] = {
319 RTXAGC_B_RATE18_06, RTXAGC_B_RATE54_24,
320 RTXAGC_B_MCS03_MCS00, RTXAGC_B_MCS07_MCS04,
321 RTXAGC_B_MCS11_MCS08, RTXAGC_B_MCS15_MCS12
322 };
323 u8 i, rf, pwr_val[4];
324 u32 writeval;
325 u16 regoffset;
326
327 for (rf = 0; rf < 2; rf++) {
328 writeval = pvalue[rf];
329 for (i = 0; i < 4; i++) {
330 pwr_val[i] = (u8) ((writeval & (0x7f <<
331 (i * 8))) >> (i * 8));
332
333 if (pwr_val[i] > RF6052_MAX_TX_PWR)
334 pwr_val[i] = RF6052_MAX_TX_PWR;
335 }
336 writeval = (pwr_val[3] << 24) | (pwr_val[2] << 16) |
337 (pwr_val[1] << 8) | pwr_val[0];
338
339 if (rf == 0)
340 regoffset = regoffset_a[index];
341 else
342 regoffset = regoffset_b[index];
343 rtl_set_bbreg(hw, regoffset, MASKDWORD, writeval);
344
345 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
346 "Set 0x%x = %08x\n", regoffset, writeval);
347 }
348 }
349
rtl88e_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw * hw,u8 * pwrlvlofdm,u8 * pwrlvlbw20,u8 * pwrlvlbw40,u8 chan)350 void rtl88e_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw,
351 u8 *pwrlvlofdm,
352 u8 *pwrlvlbw20,
353 u8 *pwrlvlbw40, u8 chan)
354 {
355 u32 writeval[2], base0[2], base1[2];
356 u8 index;
357 u8 direction;
358 u32 pwrtrac_value;
359
360 rtl88e_phy_get_power_base(hw, pwrlvlofdm, pwrlvlbw20,
361 pwrlvlbw40, chan, &base0[0],
362 &base1[0]);
363
364 rtl88e_dm_txpower_track_adjust(hw, 1, &direction, &pwrtrac_value);
365
366 for (index = 0; index < 6; index++) {
367 get_txpwr_by_reg(hw, chan, index, &base0[0], &base1[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 write_ofdm_pwr(hw, index, &writeval[0]);
377 }
378 }
379
rf6052_conf_para(struct ieee80211_hw * hw)380 static bool rf6052_conf_para(struct ieee80211_hw *hw)
381 {
382 struct rtl_priv *rtlpriv = rtl_priv(hw);
383 struct rtl_phy *rtlphy = &(rtlpriv->phy);
384 u32 u4val = 0;
385 u8 rfpath;
386 bool rtstatus = true;
387 struct bb_reg_def *pphyreg;
388
389 for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) {
390 pphyreg = &rtlphy->phyreg_def[rfpath];
391
392 switch (rfpath) {
393 case RF90_PATH_A:
394 case RF90_PATH_C:
395 u4val = rtl_get_bbreg(hw, pphyreg->rfintfs,
396 BRFSI_RFENV);
397 break;
398 case RF90_PATH_B:
399 case RF90_PATH_D:
400 u4val = rtl_get_bbreg(hw, pphyreg->rfintfs,
401 BRFSI_RFENV << 16);
402 break;
403 }
404
405 rtl_set_bbreg(hw, pphyreg->rfintfe, BRFSI_RFENV << 16, 0x1);
406 udelay(1);
407
408 rtl_set_bbreg(hw, pphyreg->rfintfo, BRFSI_RFENV, 0x1);
409 udelay(1);
410
411 rtl_set_bbreg(hw, pphyreg->rfhssi_para2,
412 B3WIREADDREAALENGTH, 0x0);
413 udelay(1);
414
415 rtl_set_bbreg(hw, pphyreg->rfhssi_para2, B3WIREDATALENGTH, 0x0);
416 udelay(1);
417
418 switch (rfpath) {
419 case RF90_PATH_A:
420 rtstatus = rtl88e_phy_config_rf_with_headerfile(hw,
421 (enum radio_path)rfpath);
422 break;
423 case RF90_PATH_B:
424 rtstatus = rtl88e_phy_config_rf_with_headerfile(hw,
425 (enum radio_path)rfpath);
426 break;
427 case RF90_PATH_C:
428 break;
429 case RF90_PATH_D:
430 break;
431 }
432
433 switch (rfpath) {
434 case RF90_PATH_A:
435 case RF90_PATH_C:
436 rtl_set_bbreg(hw, pphyreg->rfintfs, BRFSI_RFENV, u4val);
437 break;
438 case RF90_PATH_B:
439 case RF90_PATH_D:
440 rtl_set_bbreg(hw, pphyreg->rfintfs, BRFSI_RFENV << 16,
441 u4val);
442 break;
443 }
444
445 if (rtstatus != true) {
446 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
447 "Radio[%d] Fail!!", rfpath);
448 return false;
449 }
450 }
451
452 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "\n");
453 return rtstatus;
454 }
455
rtl88e_phy_rf6052_config(struct ieee80211_hw * hw)456 bool rtl88e_phy_rf6052_config(struct ieee80211_hw *hw)
457 {
458 struct rtl_priv *rtlpriv = rtl_priv(hw);
459 struct rtl_phy *rtlphy = &(rtlpriv->phy);
460
461 if (rtlphy->rf_type == RF_1T1R)
462 rtlphy->num_total_rfpath = 1;
463 else
464 rtlphy->num_total_rfpath = 2;
465
466 return rf6052_conf_para(hw);
467 }
468