1 /******************************************************************************
3 * Copyright(c) 2009-2010 Realtek Corporation.
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.
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
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
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
26 * Larry Finger <Larry.Finger@lwfinger.net>
28 *****************************************************************************/
31 #include "rtl8192c-reg.h"
32 #include "rtl8192c-def.h"
33 #include "rtl8192c-phy.h"
34 #include "rtl8192c-rf.h"
35 #include "rtl8192c-dm.h"
37 static bool _rtl92c_phy_rf6052_config_parafile(struct ieee80211_hw *hw);
39 void rtl92c_phy_rf6052_set_bandwidth(struct ieee80211_hw *hw, u8 bandwidth)
41 struct rtl_priv *rtlpriv = rtl_priv(hw);
42 struct rtl_phy *rtlphy = &(rtlpriv->phy);
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]);
51 case HT_CHANNEL_WIDTH_20_40:
52 rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
54 rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
55 rtlphy->rfreg_chnlval[0]);
58 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
59 ("unknown bandwidth: %#X\n", bandwidth));
64 void rtl92c_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw,
67 struct rtl_priv *rtlpriv = rtl_priv(hw);
68 struct rtl_phy *rtlphy = &(rtlpriv->phy);
69 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
70 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
71 u32 tx_agc[2] = {0, 0}, tmpval;
72 bool turbo_scanoff = false;
76 if (rtlefuse->eeprom_regulatory != 0)
79 if (mac->act_scanning == true) {
80 tx_agc[RF90_PATH_A] = 0x3f3f3f3f;
81 tx_agc[RF90_PATH_B] = 0x3f3f3f3f;
84 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
85 tx_agc[idx1] = ppowerlevel[idx1] |
86 (ppowerlevel[idx1] << 8) |
87 (ppowerlevel[idx1] << 16) |
88 (ppowerlevel[idx1] << 24);
92 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
93 tx_agc[idx1] = ppowerlevel[idx1] |
94 (ppowerlevel[idx1] << 8) |
95 (ppowerlevel[idx1] << 16) |
96 (ppowerlevel[idx1] << 24);
99 if (rtlefuse->eeprom_regulatory == 0) {
101 (rtlphy->mcs_txpwrlevel_origoffset[0][6]) +
102 (rtlphy->mcs_txpwrlevel_origoffset[0][7] <<
104 tx_agc[RF90_PATH_A] += tmpval;
106 tmpval = (rtlphy->mcs_txpwrlevel_origoffset[0][14]) +
107 (rtlphy->mcs_txpwrlevel_origoffset[0][15] <<
109 tx_agc[RF90_PATH_B] += tmpval;
113 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
114 ptr = (u8 *) (&(tx_agc[idx1]));
115 for (idx2 = 0; idx2 < 4; idx2++) {
116 if (*ptr > RF6052_MAX_TX_PWR)
117 *ptr = RF6052_MAX_TX_PWR;
122 tmpval = tx_agc[RF90_PATH_A] & 0xff;
123 rtl_set_bbreg(hw, RTXAGC_A_CCK1_MCS32, MASKBYTE1, tmpval);
125 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
126 ("CCK PWR 1M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
127 RTXAGC_A_CCK1_MCS32));
129 tmpval = tx_agc[RF90_PATH_A] >> 8;
131 if (mac->mode == WIRELESS_MODE_B)
132 tmpval = tmpval & 0xff00ffff;
134 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, 0xffffff00, tmpval);
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));
140 tmpval = tx_agc[RF90_PATH_B] >> 24;
141 rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, MASKBYTE0, tmpval);
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));
147 tmpval = tx_agc[RF90_PATH_B] & 0x00ffffff;
148 rtl_set_bbreg(hw, RTXAGC_B_CCK1_55_MCS32, 0xffffff00, tmpval);
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));
155 static void rtl92c_phy_get_power_base(struct ieee80211_hw *hw,
156 u8 *ppowerlevel, u8 channel,
157 u32 *ofdmbase, u32 *mcsbase)
159 struct rtl_priv *rtlpriv = rtl_priv(hw);
160 struct rtl_phy *rtlphy = &(rtlpriv->phy);
161 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
162 u32 powerBase0, powerBase1;
163 u8 legacy_pwrdiff, ht20_pwrdiff;
166 for (i = 0; i < 2; i++) {
167 powerlevel[i] = ppowerlevel[i];
168 legacy_pwrdiff = rtlefuse->txpwr_legacyhtdiff[i][channel - 1];
169 powerBase0 = powerlevel[i] + legacy_pwrdiff;
171 powerBase0 = (powerBase0 << 24) | (powerBase0 << 16) |
172 (powerBase0 << 8) | powerBase0;
173 *(ofdmbase + i) = powerBase0;
174 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
175 (" [OFDM power base index rf(%c) = 0x%x]\n",
176 ((i == 0) ? 'A' : 'B'), *(ofdmbase + i)));
179 for (i = 0; i < 2; i++) {
180 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20) {
181 ht20_pwrdiff = rtlefuse->txpwr_ht20diff[i][channel - 1];
182 powerlevel[i] += ht20_pwrdiff;
184 powerBase1 = powerlevel[i];
185 powerBase1 = (powerBase1 << 24) |
186 (powerBase1 << 16) | (powerBase1 << 8) | powerBase1;
188 *(mcsbase + i) = powerBase1;
190 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
191 (" [MCS power base index rf(%c) = 0x%x]\n",
192 ((i == 0) ? 'A' : 'B'), *(mcsbase + i)));
196 static void _rtl92c_get_txpower_writeval_by_regulatory(struct ieee80211_hw *hw,
197 u8 channel, u8 index,
202 struct rtl_priv *rtlpriv = rtl_priv(hw);
203 struct rtl_phy *rtlphy = &(rtlpriv->phy);
204 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
205 u8 i, chnlgroup, pwr_diff_limit[4];
206 u32 writeVal, customer_limit, rf;
208 for (rf = 0; rf < 2; rf++) {
209 switch (rtlefuse->eeprom_regulatory) {
214 rtlphy->mcs_txpwrlevel_origoffset[chnlgroup][index +
216 + ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
218 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
219 ("RTK better performance, "
220 "writeVal(%c) = 0x%x\n",
221 ((rf == 0) ? 'A' : 'B'), writeVal));
224 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
225 writeVal = ((index < 2) ? powerBase0[rf] :
228 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
229 ("Realtek regulatory, 40MHz, "
230 "writeVal(%c) = 0x%x\n",
231 ((rf == 0) ? 'A' : 'B'), writeVal));
233 if (rtlphy->pwrgroup_cnt == 1)
235 if (rtlphy->pwrgroup_cnt >= 3) {
238 else if (channel >= 4 && channel <= 9)
240 else if (channel > 9)
242 if (rtlphy->pwrgroup_cnt == 4)
247 rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
248 [index + (rf ? 8 : 0)] + ((index < 2) ?
252 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
253 ("Realtek regulatory, 20MHz, "
254 "writeVal(%c) = 0x%x\n",
255 ((rf == 0) ? 'A' : 'B'), writeVal));
260 ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
262 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
263 ("Better regulatory, "
264 "writeVal(%c) = 0x%x\n",
265 ((rf == 0) ? 'A' : 'B'), writeVal));
270 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
271 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
272 ("customer's limit, 40MHz "
274 ((rf == 0) ? 'A' : 'B'),
275 rtlefuse->pwrgroup_ht40[rf][channel -
278 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
279 ("customer's limit, 20MHz "
281 ((rf == 0) ? 'A' : 'B'),
282 rtlefuse->pwrgroup_ht20[rf][channel -
285 for (i = 0; i < 4; i++) {
287 (u8) ((rtlphy->mcs_txpwrlevel_origoffset
289 (rf ? 8 : 0)] & (0x7f << (i * 8))) >>
292 if (rtlphy->current_chan_bw ==
293 HT_CHANNEL_WIDTH_20_40) {
294 if (pwr_diff_limit[i] >
296 pwrgroup_ht40[rf][channel - 1])
298 rtlefuse->pwrgroup_ht40[rf]
301 if (pwr_diff_limit[i] >
303 pwrgroup_ht20[rf][channel - 1])
305 rtlefuse->pwrgroup_ht20[rf]
310 customer_limit = (pwr_diff_limit[3] << 24) |
311 (pwr_diff_limit[2] << 16) |
312 (pwr_diff_limit[1] << 8) | (pwr_diff_limit[0]);
314 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
315 ("Customer's limit rf(%c) = 0x%x\n",
316 ((rf == 0) ? 'A' : 'B'), customer_limit));
318 writeVal = customer_limit +
319 ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
321 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
322 ("Customer, writeVal rf(%c)= 0x%x\n",
323 ((rf == 0) ? 'A' : 'B'), writeVal));
328 rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
329 [index + (rf ? 8 : 0)]
330 + ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
332 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
333 ("RTK better performance, writeVal "
335 ((rf == 0) ? 'A' : 'B'), writeVal));
339 if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
340 writeVal = writeVal - 0x06060606;
341 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
343 writeVal = writeVal - 0x0c0c0c0c;
344 *(p_outwriteval + rf) = writeVal;
348 static void _rtl92c_write_ofdm_power_reg(struct ieee80211_hw *hw,
349 u8 index, u32 *pValue)
351 struct rtl_priv *rtlpriv = rtl_priv(hw);
352 struct rtl_phy *rtlphy = &(rtlpriv->phy);
354 u16 regoffset_a[6] = {
355 RTXAGC_A_RATE18_06, RTXAGC_A_RATE54_24,
356 RTXAGC_A_MCS03_MCS00, RTXAGC_A_MCS07_MCS04,
357 RTXAGC_A_MCS11_MCS08, RTXAGC_A_MCS15_MCS12
359 u16 regoffset_b[6] = {
360 RTXAGC_B_RATE18_06, RTXAGC_B_RATE54_24,
361 RTXAGC_B_MCS03_MCS00, RTXAGC_B_MCS07_MCS04,
362 RTXAGC_B_MCS11_MCS08, RTXAGC_B_MCS15_MCS12
364 u8 i, rf, pwr_val[4];
368 for (rf = 0; rf < 2; rf++) {
369 writeVal = pValue[rf];
370 for (i = 0; i < 4; i++) {
371 pwr_val[i] = (u8) ((writeVal & (0x7f <<
372 (i * 8))) >> (i * 8));
374 if (pwr_val[i] > RF6052_MAX_TX_PWR)
375 pwr_val[i] = RF6052_MAX_TX_PWR;
377 writeVal = (pwr_val[3] << 24) | (pwr_val[2] << 16) |
378 (pwr_val[1] << 8) | pwr_val[0];
381 regoffset = regoffset_a[index];
383 regoffset = regoffset_b[index];
384 rtl_set_bbreg(hw, regoffset, MASKDWORD, writeVal);
386 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
387 ("Set 0x%x = %08x\n", regoffset, writeVal));
389 if (((get_rf_type(rtlphy) == RF_2T2R) &&
390 (regoffset == RTXAGC_A_MCS15_MCS12 ||
391 regoffset == RTXAGC_B_MCS15_MCS12)) ||
392 ((get_rf_type(rtlphy) != RF_2T2R) &&
393 (regoffset == RTXAGC_A_MCS07_MCS04 ||
394 regoffset == RTXAGC_B_MCS07_MCS04))) {
396 writeVal = pwr_val[3];
397 if (regoffset == RTXAGC_A_MCS15_MCS12 ||
398 regoffset == RTXAGC_A_MCS07_MCS04)
400 if (regoffset == RTXAGC_B_MCS15_MCS12 ||
401 regoffset == RTXAGC_B_MCS07_MCS04)
404 for (i = 0; i < 3; i++) {
405 writeVal = (writeVal > 6) ? (writeVal - 6) : 0;
406 rtl_write_byte(rtlpriv, (u32) (regoffset + i),
413 void rtl92c_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw,
414 u8 *ppowerlevel, u8 channel)
416 u32 writeVal[2], powerBase0[2], powerBase1[2];
419 rtl92c_phy_get_power_base(hw, ppowerlevel,
420 channel, &powerBase0[0], &powerBase1[0]);
422 for (index = 0; index < 6; index++) {
423 _rtl92c_get_txpower_writeval_by_regulatory(hw,
429 _rtl92c_write_ofdm_power_reg(hw, index, &writeVal[0]);
433 bool rtl92c_phy_rf6052_config(struct ieee80211_hw *hw)
435 struct rtl_priv *rtlpriv = rtl_priv(hw);
436 struct rtl_phy *rtlphy = &(rtlpriv->phy);
438 if (rtlphy->rf_type == RF_1T1R)
439 rtlphy->num_total_rfpath = 1;
441 rtlphy->num_total_rfpath = 2;
443 return _rtl92c_phy_rf6052_config_parafile(hw);
446 static bool _rtl92c_phy_rf6052_config_parafile(struct ieee80211_hw *hw)
448 struct rtl_priv *rtlpriv = rtl_priv(hw);
449 struct rtl_phy *rtlphy = &(rtlpriv->phy);
453 struct bb_reg_def *pphyreg;
455 for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) {
457 pphyreg = &rtlphy->phyreg_def[rfpath];
462 u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
467 u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
472 rtl_set_bbreg(hw, pphyreg->rfintfe, BRFSI_RFENV << 16, 0x1);
475 rtl_set_bbreg(hw, pphyreg->rfintfo, BRFSI_RFENV, 0x1);
478 rtl_set_bbreg(hw, pphyreg->rfhssi_para2,
479 B3WIREADDREAALENGTH, 0x0);
482 rtl_set_bbreg(hw, pphyreg->rfhssi_para2, B3WIREDATALENGTH, 0x0);
487 rtstatus = rtl92c_phy_config_rf_with_headerfile(hw,
488 (enum radio_path) rfpath);
491 rtstatus = rtl92c_phy_config_rf_with_headerfile(hw,
492 (enum radio_path) rfpath);
503 rtl_set_bbreg(hw, pphyreg->rfintfs,
504 BRFSI_RFENV, u4_regvalue);
508 rtl_set_bbreg(hw, pphyreg->rfintfs,
509 BRFSI_RFENV << 16, u4_regvalue);
513 if (rtstatus != true) {
514 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
515 ("Radio[%d] Fail!!", rfpath));
521 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, ("<---\n"));