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1/******************************************************************************
2 *
3 * Copyright(c) 2009-2012 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
37static bool _rtl92c_phy_rf6052_config_parafile(struct ieee80211_hw *hw);
38
39void rtl92cu_phy_rf6052_set_bandwidth(struct ieee80211_hw *hw, u8 bandwidth)
40{
41 struct rtl_priv *rtlpriv = rtl_priv(hw);
42 struct rtl_phy *rtlphy = &(rtlpriv->phy);
43
44 switch (bandwidth) {
45 case HT_CHANNEL_WIDTH_20:
46 rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
47 0xfffff3ff) | 0x0400);
48 rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
49 rtlphy->rfreg_chnlval[0]);
50 break;
51 case HT_CHANNEL_WIDTH_20_40:
52 rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
53 0xfffff3ff));
54 rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
55 rtlphy->rfreg_chnlval[0]);
56 break;
57 default:
58 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
59 "unknown bandwidth: %#X\n", bandwidth);
60 break;
61 }
62}
63
64void rtl92cu_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw,
65 u8 *ppowerlevel)
66{
67 struct rtl_priv *rtlpriv = rtl_priv(hw);
68 struct rtl_phy *rtlphy = &(rtlpriv->phy);
69 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
70 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
71 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
72 u32 tx_agc[2] = { 0, 0 }, tmpval = 0;
73 bool turbo_scanoff = false;
74 u8 idx1, idx2;
75 u8 *ptr;
76
77 if (rtlhal->interface == INTF_PCI) {
78 if (rtlefuse->eeprom_regulatory != 0)
79 turbo_scanoff = true;
80 } else {
81 if ((rtlefuse->eeprom_regulatory != 0) ||
82 (rtlefuse->external_pa))
83 turbo_scanoff = true;
84 }
85 if (mac->act_scanning) {
86 tx_agc[RF90_PATH_A] = 0x3f3f3f3f;
87 tx_agc[RF90_PATH_B] = 0x3f3f3f3f;
88 if (turbo_scanoff) {
89 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
90 tx_agc[idx1] = ppowerlevel[idx1] |
91 (ppowerlevel[idx1] << 8) |
92 (ppowerlevel[idx1] << 16) |
93 (ppowerlevel[idx1] << 24);
94 if (rtlhal->interface == INTF_USB) {
95 if (tx_agc[idx1] > 0x20 &&
96 rtlefuse->external_pa)
97 tx_agc[idx1] = 0x20;
98 }
99 }
100 }
101 } else {
102 if (rtlpriv->dm.dynamic_txhighpower_lvl ==
103 TXHIGHPWRLEVEL_LEVEL1) {
104 tx_agc[RF90_PATH_A] = 0x10101010;
105 tx_agc[RF90_PATH_B] = 0x10101010;
106 } else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
107 TXHIGHPWRLEVEL_LEVEL1) {
108 tx_agc[RF90_PATH_A] = 0x00000000;
109 tx_agc[RF90_PATH_B] = 0x00000000;
110 } else{
111 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
112 tx_agc[idx1] = ppowerlevel[idx1] |
113 (ppowerlevel[idx1] << 8) |
114 (ppowerlevel[idx1] << 16) |
115 (ppowerlevel[idx1] << 24);
116 }
117 if (rtlefuse->eeprom_regulatory == 0) {
118 tmpval = (rtlphy->mcs_txpwrlevel_origoffset
119 [0][6]) +
120 (rtlphy->mcs_txpwrlevel_origoffset
121 [0][7] << 8);
122 tx_agc[RF90_PATH_A] += tmpval;
123 tmpval = (rtlphy->mcs_txpwrlevel_origoffset
124 [0][14]) +
125 (rtlphy->mcs_txpwrlevel_origoffset
126 [0][15] << 24);
127 tx_agc[RF90_PATH_B] += tmpval;
128 }
129 }
130 }
131 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
132 ptr = (u8 *) (&(tx_agc[idx1]));
133 for (idx2 = 0; idx2 < 4; idx2++) {
134 if (*ptr > RF6052_MAX_TX_PWR)
135 *ptr = RF6052_MAX_TX_PWR;
136 ptr++;
137 }
138 }
139 tmpval = tx_agc[RF90_PATH_A] & 0xff;
140 rtl_set_bbreg(hw, RTXAGC_A_CCK1_MCS32, MASKBYTE1, tmpval);
141
142 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
143 "CCK PWR 1M (rf-A) = 0x%x (reg 0x%x)\n",
144 tmpval, RTXAGC_A_CCK1_MCS32);
145
146 tmpval = tx_agc[RF90_PATH_A] >> 8;
147 if (mac->mode == WIRELESS_MODE_B)
148 tmpval = tmpval & 0xff00ffff;
149 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, 0xffffff00, tmpval);
150 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
151 "CCK PWR 2~11M (rf-A) = 0x%x (reg 0x%x)\n",
152 tmpval, RTXAGC_B_CCK11_A_CCK2_11);
153 tmpval = tx_agc[RF90_PATH_B] >> 24;
154 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, MASKBYTE0, tmpval);
155 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
156 "CCK PWR 11M (rf-B) = 0x%x (reg 0x%x)\n",
157 tmpval, RTXAGC_B_CCK11_A_CCK2_11);
158 tmpval = tx_agc[RF90_PATH_B] & 0x00ffffff;
159 rtl_set_bbreg(hw, RTXAGC_B_CCK1_55_MCS32, 0xffffff00, tmpval);
160 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
161 "CCK PWR 1~5.5M (rf-B) = 0x%x (reg 0x%x)\n",
162 tmpval, RTXAGC_B_CCK1_55_MCS32);
163}
164
165static void rtl92c_phy_get_power_base(struct ieee80211_hw *hw,
166 u8 *ppowerlevel, u8 channel,
167 u32 *ofdmbase, u32 *mcsbase)
168{
169 struct rtl_priv *rtlpriv = rtl_priv(hw);
170 struct rtl_phy *rtlphy = &(rtlpriv->phy);
171 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
172 u32 powerBase0, powerBase1;
173 u8 legacy_pwrdiff = 0, ht20_pwrdiff = 0;
174 u8 i, powerlevel[2];
175
176 for (i = 0; i < 2; i++) {
177 powerlevel[i] = ppowerlevel[i];
178 legacy_pwrdiff = rtlefuse->txpwr_legacyhtdiff[i][channel - 1];
179 powerBase0 = powerlevel[i] + legacy_pwrdiff;
180 powerBase0 = (powerBase0 << 24) | (powerBase0 << 16) |
181 (powerBase0 << 8) | powerBase0;
182 *(ofdmbase + i) = powerBase0;
183 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
184 " [OFDM power base index rf(%c) = 0x%x]\n",
185 i == 0 ? 'A' : 'B', *(ofdmbase + i));
186 }
187 for (i = 0; i < 2; i++) {
188 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20) {
189 ht20_pwrdiff = rtlefuse->txpwr_ht20diff[i][channel - 1];
190 powerlevel[i] += ht20_pwrdiff;
191 }
192 powerBase1 = powerlevel[i];
193 powerBase1 = (powerBase1 << 24) |
194 (powerBase1 << 16) | (powerBase1 << 8) | powerBase1;
195 *(mcsbase + i) = powerBase1;
196 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
197 " [MCS power base index rf(%c) = 0x%x]\n",
198 i == 0 ? 'A' : 'B', *(mcsbase + i));
199 }
200}
201
202static void _rtl92c_get_txpower_writeval_by_regulatory(struct ieee80211_hw *hw,
203 u8 channel, u8 index,
204 u32 *powerBase0,
205 u32 *powerBase1,
206 u32 *p_outwriteval)
207{
208 struct rtl_priv *rtlpriv = rtl_priv(hw);
209 struct rtl_phy *rtlphy = &(rtlpriv->phy);
210 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
211 u8 i, chnlgroup = 0, pwr_diff_limit[4];
212 u32 writeVal, customer_limit, rf;
213
214 for (rf = 0; rf < 2; rf++) {
215 switch (rtlefuse->eeprom_regulatory) {
216 case 0:
217 chnlgroup = 0;
218 writeVal = rtlphy->mcs_txpwrlevel_origoffset
219 [chnlgroup][index + (rf ? 8 : 0)]
220 + ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
221 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
222 "RTK better performance,writeVal(%c) = 0x%x\n",
223 rf == 0 ? 'A' : 'B', writeVal);
224 break;
225 case 1:
226 if (rtlphy->pwrgroup_cnt == 1)
227 chnlgroup = 0;
228 if (rtlphy->pwrgroup_cnt >= 3) {
229 if (channel <= 3)
230 chnlgroup = 0;
231 else if (channel >= 4 && channel <= 9)
232 chnlgroup = 1;
233 else if (channel > 9)
234 chnlgroup = 2;
235 if (rtlphy->current_chan_bw ==
236 HT_CHANNEL_WIDTH_20)
237 chnlgroup++;
238 else
239 chnlgroup += 4;
240 }
241 writeVal = rtlphy->mcs_txpwrlevel_origoffset
242 [chnlgroup][index +
243 (rf ? 8 : 0)] +
244 ((index < 2) ? powerBase0[rf] :
245 powerBase1[rf]);
246 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
247 "Realtek regulatory, 20MHz, writeVal(%c) = 0x%x\n",
248 rf == 0 ? 'A' : 'B', writeVal);
249 break;
250 case 2:
251 writeVal = ((index < 2) ? powerBase0[rf] :
252 powerBase1[rf]);
253 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
254 "Better regulatory,writeVal(%c) = 0x%x\n",
255 rf == 0 ? 'A' : 'B', writeVal);
256 break;
257 case 3:
258 chnlgroup = 0;
259 if (rtlphy->current_chan_bw ==
260 HT_CHANNEL_WIDTH_20_40) {
261 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
262 "customer's limit, 40MHzrf(%c) = 0x%x\n",
263 rf == 0 ? 'A' : 'B',
264 rtlefuse->pwrgroup_ht40[rf]
265 [channel - 1]);
266 } else {
267 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
268 "customer's limit, 20MHz rf(%c) = 0x%x\n",
269 rf == 0 ? 'A' : 'B',
270 rtlefuse->pwrgroup_ht20[rf]
271 [channel - 1]);
272 }
273 for (i = 0; i < 4; i++) {
274 pwr_diff_limit[i] =
275 (u8) ((rtlphy->mcs_txpwrlevel_origoffset
276 [chnlgroup][index + (rf ? 8 : 0)]
277 & (0x7f << (i * 8))) >> (i * 8));
278 if (rtlphy->current_chan_bw ==
279 HT_CHANNEL_WIDTH_20_40) {
280 if (pwr_diff_limit[i] >
281 rtlefuse->pwrgroup_ht40[rf]
282 [channel - 1])
283 pwr_diff_limit[i] = rtlefuse->
284 pwrgroup_ht40[rf]
285 [channel - 1];
286 } else {
287 if (pwr_diff_limit[i] >
288 rtlefuse->pwrgroup_ht20[rf]
289 [channel - 1])
290 pwr_diff_limit[i] =
291 rtlefuse->pwrgroup_ht20[rf]
292 [channel - 1];
293 }
294 }
295 customer_limit = (pwr_diff_limit[3] << 24) |
296 (pwr_diff_limit[2] << 16) |
297 (pwr_diff_limit[1] << 8) | (pwr_diff_limit[0]);
298 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
299 "Customer's limit rf(%c) = 0x%x\n",
300 rf == 0 ? 'A' : 'B', customer_limit);
301 writeVal = customer_limit + ((index < 2) ?
302 powerBase0[rf] : powerBase1[rf]);
303 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
304 "Customer, writeVal rf(%c)= 0x%x\n",
305 rf == 0 ? 'A' : 'B', writeVal);
306 break;
307 default:
308 chnlgroup = 0;
309 writeVal = rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
310 [index + (rf ? 8 : 0)] + ((index < 2) ?
311 powerBase0[rf] : powerBase1[rf]);
312 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
313 "RTK better performance, writeValrf(%c) = 0x%x\n",
314 rf == 0 ? 'A' : 'B', writeVal);
315 break;
316 }
317 if (rtlpriv->dm.dynamic_txhighpower_lvl ==
318 TXHIGHPWRLEVEL_LEVEL1)
319 writeVal = 0x14141414;
320 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
321 TXHIGHPWRLEVEL_LEVEL2)
322 writeVal = 0x00000000;
323 if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
324 writeVal = writeVal - 0x06060606;
325 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
326 TXHIGHPWRLEVEL_BT2)
327 writeVal = writeVal;
328 *(p_outwriteval + rf) = writeVal;
329 }
330}
331
332static void _rtl92c_write_ofdm_power_reg(struct ieee80211_hw *hw,
333 u8 index, u32 *pValue)
334{
335 struct rtl_priv *rtlpriv = rtl_priv(hw);
336 struct rtl_phy *rtlphy = &(rtlpriv->phy);
337 u16 regoffset_a[6] = {
338 RTXAGC_A_RATE18_06, RTXAGC_A_RATE54_24,
339 RTXAGC_A_MCS03_MCS00, RTXAGC_A_MCS07_MCS04,
340 RTXAGC_A_MCS11_MCS08, RTXAGC_A_MCS15_MCS12
341 };
342 u16 regoffset_b[6] = {
343 RTXAGC_B_RATE18_06, RTXAGC_B_RATE54_24,
344 RTXAGC_B_MCS03_MCS00, RTXAGC_B_MCS07_MCS04,
345 RTXAGC_B_MCS11_MCS08, RTXAGC_B_MCS15_MCS12
346 };
347 u8 i, rf, pwr_val[4];
348 u32 writeVal;
349 u16 regoffset;
350
351 for (rf = 0; rf < 2; rf++) {
352 writeVal = pValue[rf];
353 for (i = 0; i < 4; i++) {
354 pwr_val[i] = (u8)((writeVal & (0x7f << (i * 8))) >>
355 (i * 8));
356 if (pwr_val[i] > RF6052_MAX_TX_PWR)
357 pwr_val[i] = RF6052_MAX_TX_PWR;
358 }
359 writeVal = (pwr_val[3] << 24) | (pwr_val[2] << 16) |
360 (pwr_val[1] << 8) | pwr_val[0];
361 if (rf == 0)
362 regoffset = regoffset_a[index];
363 else
364 regoffset = regoffset_b[index];
365 rtl_set_bbreg(hw, regoffset, MASKDWORD, writeVal);
366 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
367 "Set 0x%x = %08x\n", regoffset, writeVal);
368 if (((get_rf_type(rtlphy) == RF_2T2R) &&
369 (regoffset == RTXAGC_A_MCS15_MCS12 ||
370 regoffset == RTXAGC_B_MCS15_MCS12)) ||
371 ((get_rf_type(rtlphy) != RF_2T2R) &&
372 (regoffset == RTXAGC_A_MCS07_MCS04 ||
373 regoffset == RTXAGC_B_MCS07_MCS04))) {
374 writeVal = pwr_val[3];
375 if (regoffset == RTXAGC_A_MCS15_MCS12 ||
376 regoffset == RTXAGC_A_MCS07_MCS04)
377 regoffset = 0xc90;
378 if (regoffset == RTXAGC_B_MCS15_MCS12 ||
379 regoffset == RTXAGC_B_MCS07_MCS04)
380 regoffset = 0xc98;
381 for (i = 0; i < 3; i++) {
382 writeVal = (writeVal > 6) ? (writeVal - 6) : 0;
383 rtl_write_byte(rtlpriv, (u32)(regoffset + i),
384 (u8)writeVal);
385 }
386 }
387 }
388}
389
390void rtl92cu_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw,
391 u8 *ppowerlevel, u8 channel)
392{
393 u32 writeVal[2], powerBase0[2], powerBase1[2];
394 u8 index = 0;
395
396 rtl92c_phy_get_power_base(hw, ppowerlevel,
397 channel, &powerBase0[0], &powerBase1[0]);
398 for (index = 0; index < 6; index++) {
399 _rtl92c_get_txpower_writeval_by_regulatory(hw,
400 channel, index,
401 &powerBase0[0],
402 &powerBase1[0],
403 &writeVal[0]);
404 _rtl92c_write_ofdm_power_reg(hw, index, &writeVal[0]);
405 }
406}
407
408bool rtl92cu_phy_rf6052_config(struct ieee80211_hw *hw)
409{
410 struct rtl_priv *rtlpriv = rtl_priv(hw);
411 struct rtl_phy *rtlphy = &(rtlpriv->phy);
412 bool rtstatus = true;
413 u8 b_reg_hwparafile = 1;
414
415 if (rtlphy->rf_type == RF_1T1R)
416 rtlphy->num_total_rfpath = 1;
417 else
418 rtlphy->num_total_rfpath = 2;
419 if (b_reg_hwparafile == 1)
420 rtstatus = _rtl92c_phy_rf6052_config_parafile(hw);
421 return rtstatus;
422}
423
424static bool _rtl92c_phy_rf6052_config_parafile(struct ieee80211_hw *hw)
425{
426 struct rtl_priv *rtlpriv = rtl_priv(hw);
427 struct rtl_phy *rtlphy = &(rtlpriv->phy);
428 u32 u4_regvalue = 0;
429 u8 rfpath;
430 bool rtstatus = true;
431 struct bb_reg_def *pphyreg;
432
433 for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) {
434 pphyreg = &rtlphy->phyreg_def[rfpath];
435 switch (rfpath) {
436 case RF90_PATH_A:
437 case RF90_PATH_C:
438 u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
439 BRFSI_RFENV);
440 break;
441 case RF90_PATH_B:
442 case RF90_PATH_D:
443 u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
444 BRFSI_RFENV << 16);
445 break;
446 }
447 rtl_set_bbreg(hw, pphyreg->rfintfe, BRFSI_RFENV << 16, 0x1);
448 udelay(1);
449 rtl_set_bbreg(hw, pphyreg->rfintfo, BRFSI_RFENV, 0x1);
450 udelay(1);
451 rtl_set_bbreg(hw, pphyreg->rfhssi_para2,
452 B3WIREADDREAALENGTH, 0x0);
453 udelay(1);
454 rtl_set_bbreg(hw, pphyreg->rfhssi_para2, B3WIREDATALENGTH, 0x0);
455 udelay(1);
456 switch (rfpath) {
457 case RF90_PATH_A:
458 rtstatus = rtl92cu_phy_config_rf_with_headerfile(hw,
459 (enum radio_path) rfpath);
460 break;
461 case RF90_PATH_B:
462 rtstatus = rtl92cu_phy_config_rf_with_headerfile(hw,
463 (enum radio_path) rfpath);
464 break;
465 case RF90_PATH_C:
466 break;
467 case RF90_PATH_D:
468 break;
469 }
470 switch (rfpath) {
471 case RF90_PATH_A:
472 case RF90_PATH_C:
473 rtl_set_bbreg(hw, pphyreg->rfintfs,
474 BRFSI_RFENV, u4_regvalue);
475 break;
476 case RF90_PATH_B:
477 case RF90_PATH_D:
478 rtl_set_bbreg(hw, pphyreg->rfintfs,
479 BRFSI_RFENV << 16, u4_regvalue);
480 break;
481 }
482 if (!rtstatus) {
483 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
484 "Radio[%d] Fail!!", rfpath);
485 goto phy_rf_cfg_fail;
486 }
487 }
488 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "<---\n");
489 return rtstatus;
490phy_rf_cfg_fail:
491 return rtstatus;
492}