aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/rtlwifi/rtl8723ae/rf.c
diff options
context:
space:
mode:
authorLarry Finger <Larry.Finger@lwfinger.net>2012-10-25 14:46:32 -0400
committerJohn W. Linville <linville@tuxdriver.com>2012-11-14 14:54:53 -0500
commitc592e631bcec4d858695eee8bf321d60390d38e9 (patch)
tree721760de02b9b0df3bc0294b77b7ba15b45d6e6b /drivers/net/wireless/rtlwifi/rtl8723ae/rf.c
parentb7fd76d114568d0b1e0d443049ed597b3a55f9c6 (diff)
rtlwifi: rtl8723ae: Add new driver
This patch is the addition of files for a new driver to handle the Realtek RTL8723AE wireless device. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: <chaoming_li@realsil.com.cn> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8723ae/rf.c')
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8723ae/rf.c505
1 files changed, 505 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8723ae/rf.c b/drivers/net/wireless/rtlwifi/rtl8723ae/rf.c
new file mode 100644
index 000000000000..50dd2fb2c93d
--- /dev/null
+++ b/drivers/net/wireless/rtlwifi/rtl8723ae/rf.c
@@ -0,0 +1,505 @@
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
37void rtl8723ae_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) | 0x0400);
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));
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
62void rtl8723ae_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw,
63 u8 *ppowerlevel)
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
74 if (rtlefuse->eeprom_regulatory != 0)
75 turbo_scanoff = true;
76
77 if (mac->act_scanning == true) {
78 tx_agc[RF90_PATH_A] = 0x3f3f3f3f;
79 tx_agc[RF90_PATH_B] = 0x3f3f3f3f;
80
81 if (turbo_scanoff) {
82 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
83 tx_agc[idx1] = ppowerlevel[idx1] |
84 (ppowerlevel[idx1] << 8) |
85 (ppowerlevel[idx1] << 16) |
86 (ppowerlevel[idx1] << 24);
87 }
88 }
89 } else {
90 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
91 tx_agc[idx1] = ppowerlevel[idx1] |
92 (ppowerlevel[idx1] << 8) |
93 (ppowerlevel[idx1] << 16) |
94 (ppowerlevel[idx1] << 24);
95 }
96
97 if (rtlefuse->eeprom_regulatory == 0) {
98 tmpval = (rtlphy->mcs_offset[0][6]) +
99 (rtlphy->mcs_offset[0][7] << 8);
100 tx_agc[RF90_PATH_A] += tmpval;
101
102 tmpval = (rtlphy->mcs_offset[0][14]) +
103 (rtlphy->mcs_offset[0][15] << 24);
104 tx_agc[RF90_PATH_B] += tmpval;
105 }
106 }
107
108 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
109 ptr = (u8 *) (&(tx_agc[idx1]));
110 for (idx2 = 0; idx2 < 4; idx2++) {
111 if (*ptr > RF6052_MAX_TX_PWR)
112 *ptr = RF6052_MAX_TX_PWR;
113 ptr++;
114 }
115 }
116
117 tmpval = tx_agc[RF90_PATH_A] & 0xff;
118 rtl_set_bbreg(hw, RTXAGC_A_CCK1_MCS32, MASKBYTE1, tmpval);
119
120 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
121 "CCK PWR 1M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
122 RTXAGC_A_CCK1_MCS32);
123
124 tmpval = tx_agc[RF90_PATH_A] >> 8;
125
126 tmpval = tmpval & 0xff00ffff;
127
128 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, 0xffffff00, tmpval);
129
130 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
131 "CCK PWR 2~11M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
132 RTXAGC_B_CCK11_A_CCK2_11);
133
134 tmpval = tx_agc[RF90_PATH_B] >> 24;
135 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, MASKBYTE0, tmpval);
136
137 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
138 "CCK PWR 11M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
139 RTXAGC_B_CCK11_A_CCK2_11);
140
141 tmpval = tx_agc[RF90_PATH_B] & 0x00ffffff;
142 rtl_set_bbreg(hw, RTXAGC_B_CCK1_55_MCS32, 0xffffff00, tmpval);
143
144 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
145 "CCK PWR 1~5.5M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
146 RTXAGC_B_CCK1_55_MCS32);
147}
148
149static void rtl8723ae_phy_get_power_base(struct ieee80211_hw *hw,
150 u8 *ppowerlevel, u8 channel,
151 u32 *ofdmbase, u32 *mcsbase)
152{
153 struct rtl_priv *rtlpriv = rtl_priv(hw);
154 struct rtl_phy *rtlphy = &(rtlpriv->phy);
155 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
156 u32 powerBase0, powerBase1;
157 u8 legacy_pwrdiff, ht20_pwrdiff;
158 u8 i, powerlevel[2];
159
160 for (i = 0; i < 2; i++) {
161 powerlevel[i] = ppowerlevel[i];
162 legacy_pwrdiff = rtlefuse->txpwr_legacyhtdiff[i][channel - 1];
163 powerBase0 = powerlevel[i] + legacy_pwrdiff;
164
165 powerBase0 = (powerBase0 << 24) | (powerBase0 << 16) |
166 (powerBase0 << 8) | powerBase0;
167 *(ofdmbase + i) = powerBase0;
168 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
169 " [OFDM power base index rf(%c) = 0x%x]\n",
170 ((i == 0) ? 'A' : 'B'), *(ofdmbase + i));
171 }
172
173 for (i = 0; i < 2; i++) {
174 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20) {
175 ht20_pwrdiff = rtlefuse->txpwr_ht20diff[i][channel - 1];
176 powerlevel[i] += ht20_pwrdiff;
177 }
178 powerBase1 = powerlevel[i];
179 powerBase1 = (powerBase1 << 24) |
180 (powerBase1 << 16) | (powerBase1 << 8) | powerBase1;
181
182 *(mcsbase + i) = powerBase1;
183
184 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
185 " [MCS power base index rf(%c) = 0x%x]\n",
186 ((i == 0) ? 'A' : 'B'), *(mcsbase + i));
187 }
188}
189
190static void rtl8723ae_get_txpwr_val_by_reg(struct ieee80211_hw *hw,
191 u8 channel, u8 index,
192 u32 *powerBase0,
193 u32 *powerBase1,
194 u32 *p_outwriteval)
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, chnlgroup = 0, pwr_diff_limit[4];
200 u32 writeVal, customer_limit, rf;
201
202 for (rf = 0; rf < 2; rf++) {
203 switch (rtlefuse->eeprom_regulatory) {
204 case 0:
205 chnlgroup = 0;
206
207 writeVal = rtlphy->mcs_offset[chnlgroup]
208 [index + (rf ? 8 : 0)] +
209 ((index < 2) ? powerBase0[rf] :
210 powerBase1[rf]);
211
212 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
213 "RTK better performance, "
214 "writeVal(%c) = 0x%x\n",
215 ((rf == 0) ? 'A' : 'B'), writeVal);
216 break;
217 case 1:
218 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
219 writeVal = ((index < 2) ? powerBase0[rf] :
220 powerBase1[rf]);
221
222 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
223 "Realtek regulatory, 40MHz, "
224 "writeVal(%c) = 0x%x\n",
225 ((rf == 0) ? 'A' : 'B'), writeVal);
226 } else {
227 if (rtlphy->pwrgroup_cnt == 1)
228 chnlgroup = 0;
229 if (rtlphy->pwrgroup_cnt >= 3) {
230 if (channel <= 3)
231 chnlgroup = 0;
232 else if (channel >= 4 && channel <= 9)
233 chnlgroup = 1;
234 else if (channel > 9)
235 chnlgroup = 2;
236 if (rtlphy->current_chan_bw ==
237 HT_CHANNEL_WIDTH_20)
238 chnlgroup++;
239 else
240 chnlgroup += 4;
241 }
242
243 writeVal = rtlphy->mcs_offset[chnlgroup]
244 [index + (rf ? 8 : 0)] + ((index < 2) ?
245 powerBase0[rf] :
246 powerBase1[rf]);
247
248 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
249 "Realtek regulatory, 20MHz, writeVal(%c) = 0x%x\n",
250 ((rf == 0) ? 'A' : 'B'), writeVal);
251 }
252 break;
253 case 2:
254 writeVal =
255 ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
256
257 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
258 "Better regulatory, writeVal(%c) = 0x%x\n",
259 ((rf == 0) ? 'A' : 'B'), writeVal);
260 break;
261 case 3:
262 chnlgroup = 0;
263
264 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
265 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
266 "customer's limit, 40MHz rf(%c) = 0x%x\n",
267 ((rf == 0) ? 'A' : 'B'),
268 rtlefuse->pwrgroup_ht40[rf][channel-1]);
269 } else {
270 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
271 "customer's limit, 20MHz rf(%c) = 0x%x\n",
272 ((rf == 0) ? 'A' : 'B'),
273 rtlefuse->pwrgroup_ht20[rf][channel-1]);
274 }
275 for (i = 0; i < 4; i++) {
276 pwr_diff_limit[i] =
277 (u8) ((rtlphy->mcs_offset
278 [chnlgroup][index + (rf ? 8 : 0)] &
279 (0x7f << (i * 8))) >> (i * 8));
280
281 if (rtlphy->current_chan_bw ==
282 HT_CHANNEL_WIDTH_20_40) {
283 if (pwr_diff_limit[i] >
284 rtlefuse->
285 pwrgroup_ht40[rf][channel - 1])
286 pwr_diff_limit[i] =
287 rtlefuse->pwrgroup_ht40[rf]
288 [channel - 1];
289 } else {
290 if (pwr_diff_limit[i] >
291 rtlefuse->
292 pwrgroup_ht20[rf][channel - 1])
293 pwr_diff_limit[i] =
294 rtlefuse->pwrgroup_ht20[rf]
295 [channel - 1];
296 }
297 }
298
299 customer_limit = (pwr_diff_limit[3] << 24) |
300 (pwr_diff_limit[2] << 16) |
301 (pwr_diff_limit[1] << 8) | (pwr_diff_limit[0]);
302
303 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
304 "Customer's limit rf(%c) = 0x%x\n",
305 ((rf == 0) ? 'A' : 'B'), customer_limit);
306
307 writeVal = customer_limit +
308 ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
309
310 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
311 "Customer, writeVal rf(%c)= 0x%x\n",
312 ((rf == 0) ? 'A' : 'B'), writeVal);
313 break;
314 default:
315 chnlgroup = 0;
316 writeVal = rtlphy->mcs_offset[chnlgroup][index +
317 (rf ? 8 : 0)] + ((index < 2) ? powerBase0[rf] :
318 powerBase1[rf]);
319
320 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
321 "RTK better performance, writeVal rf(%c) = 0x%x\n",
322 ((rf == 0) ? 'A' : 'B'), writeVal);
323 break;
324 }
325
326 if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
327 writeVal = writeVal - 0x06060606;
328 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
329 TXHIGHPWRLEVEL_BT2)
330 writeVal = writeVal - 0x0c0c0c0c;
331 *(p_outwriteval + rf) = writeVal;
332 }
333}
334
335static void _rtl8723ae_write_ofdm_power_reg(struct ieee80211_hw *hw,
336 u8 index, u32 *pValue)
337{
338 struct rtl_priv *rtlpriv = rtl_priv(hw);
339 struct rtl_phy *rtlphy = &(rtlpriv->phy);
340
341 u16 regoffset_a[6] = {
342 RTXAGC_A_RATE18_06, RTXAGC_A_RATE54_24,
343 RTXAGC_A_MCS03_MCS00, RTXAGC_A_MCS07_MCS04,
344 RTXAGC_A_MCS11_MCS08, RTXAGC_A_MCS15_MCS12
345 };
346 u16 regoffset_b[6] = {
347 RTXAGC_B_RATE18_06, RTXAGC_B_RATE54_24,
348 RTXAGC_B_MCS03_MCS00, RTXAGC_B_MCS07_MCS04,
349 RTXAGC_B_MCS11_MCS08, RTXAGC_B_MCS15_MCS12
350 };
351 u8 i, rf, pwr_val[4];
352 u32 writeVal;
353 u16 regoffset;
354
355 for (rf = 0; rf < 2; rf++) {
356 writeVal = pValue[rf];
357 for (i = 0; i < 4; i++) {
358 pwr_val[i] = (u8) ((writeVal & (0x7f <<
359 (i * 8))) >> (i * 8));
360
361 if (pwr_val[i] > RF6052_MAX_TX_PWR)
362 pwr_val[i] = RF6052_MAX_TX_PWR;
363 }
364 writeVal = (pwr_val[3] << 24) | (pwr_val[2] << 16) |
365 (pwr_val[1] << 8) | pwr_val[0];
366
367 if (rf == 0)
368 regoffset = regoffset_a[index];
369 else
370 regoffset = regoffset_b[index];
371 rtl_set_bbreg(hw, regoffset, MASKDWORD, writeVal);
372
373 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
374 "Set 0x%x = %08x\n", regoffset, writeVal);
375
376 if (((get_rf_type(rtlphy) == RF_2T2R) &&
377 (regoffset == RTXAGC_A_MCS15_MCS12 ||
378 regoffset == RTXAGC_B_MCS15_MCS12)) ||
379 ((get_rf_type(rtlphy) != RF_2T2R) &&
380 (regoffset == RTXAGC_A_MCS07_MCS04 ||
381 regoffset == RTXAGC_B_MCS07_MCS04))) {
382
383 writeVal = pwr_val[3];
384 if (regoffset == RTXAGC_A_MCS15_MCS12 ||
385 regoffset == RTXAGC_A_MCS07_MCS04)
386 regoffset = 0xc90;
387 if (regoffset == RTXAGC_B_MCS15_MCS12 ||
388 regoffset == RTXAGC_B_MCS07_MCS04)
389 regoffset = 0xc98;
390
391 for (i = 0; i < 3; i++) {
392 writeVal = (writeVal > 6) ? (writeVal - 6) : 0;
393 rtl_write_byte(rtlpriv, (u32) (regoffset + i),
394 (u8) writeVal);
395 }
396 }
397 }
398}
399
400void rtl8723ae_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw,
401 u8 *ppowerlevel, u8 channel)
402{
403 u32 writeVal[2], powerBase0[2], powerBase1[2];
404 u8 index;
405
406 rtl8723ae_phy_get_power_base(hw, ppowerlevel,
407 channel, &powerBase0[0], &powerBase1[0]);
408
409 for (index = 0; index < 6; index++) {
410 rtl8723ae_get_txpwr_val_by_reg(hw, channel, index,
411 &powerBase0[0],
412 &powerBase1[0],
413 &writeVal[0]);
414
415 _rtl8723ae_write_ofdm_power_reg(hw, index, &writeVal[0]);
416 }
417}
418
419static bool _rtl8723ae_phy_rf6052_config_parafile(struct ieee80211_hw *hw)
420{
421 struct rtl_priv *rtlpriv = rtl_priv(hw);
422 struct rtl_phy *rtlphy = &(rtlpriv->phy);
423 u32 u4_regvalue = 0;
424 u8 rfpath;
425 bool rtstatus = true;
426 struct bb_reg_def *pphyreg;
427
428 for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) {
429
430 pphyreg = &rtlphy->phyreg_def[rfpath];
431
432 switch (rfpath) {
433 case RF90_PATH_A:
434 case RF90_PATH_C:
435 u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
436 BRFSI_RFENV);
437 break;
438 case RF90_PATH_B:
439 case RF90_PATH_D:
440 u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
441 BRFSI_RFENV << 16);
442 break;
443 }
444
445 rtl_set_bbreg(hw, pphyreg->rfintfe, BRFSI_RFENV << 16, 0x1);
446 udelay(1);
447
448 rtl_set_bbreg(hw, pphyreg->rfintfo, BRFSI_RFENV, 0x1);
449 udelay(1);
450
451 rtl_set_bbreg(hw, pphyreg->rfhssi_para2,
452 B3WIREADDREAALENGTH, 0x0);
453 udelay(1);
454
455 rtl_set_bbreg(hw, pphyreg->rfhssi_para2, B3WIREDATALENGTH, 0x0);
456 udelay(1);
457
458 switch (rfpath) {
459 case RF90_PATH_A:
460 rtstatus = rtl8723ae_phy_config_rf_with_headerfile(hw,
461 (enum radio_path)rfpath);
462 break;
463 case RF90_PATH_B:
464 rtstatus = rtl8723ae_phy_config_rf_with_headerfile(hw,
465 (enum radio_path)rfpath);
466 break;
467 case RF90_PATH_C:
468 break;
469 case RF90_PATH_D:
470 break;
471 }
472 switch (rfpath) {
473 case RF90_PATH_A:
474 case RF90_PATH_C:
475 rtl_set_bbreg(hw, pphyreg->rfintfs,
476 BRFSI_RFENV, u4_regvalue);
477 break;
478 case RF90_PATH_B:
479 case RF90_PATH_D:
480 rtl_set_bbreg(hw, pphyreg->rfintfs,
481 BRFSI_RFENV << 16, u4_regvalue);
482 break;
483 }
484 if (rtstatus != true) {
485 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
486 "Radio[%d] Fail!!", rfpath);
487 return false;
488 }
489 }
490 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "<---\n");
491 return rtstatus;
492}
493
494bool rtl8723ae_phy_rf6052_config(struct ieee80211_hw *hw)
495{
496 struct rtl_priv *rtlpriv = rtl_priv(hw);
497 struct rtl_phy *rtlphy = &(rtlpriv->phy);
498
499 if (rtlphy->rf_type == RF_1T1R)
500 rtlphy->num_total_rfpath = 1;
501 else
502 rtlphy->num_total_rfpath = 2;
503
504 return _rtl8723ae_phy_rf6052_config_parafile(hw);
505}
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-06 15:14:02 -0400