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gerrit-public.fairphone.software / kernel / msm-4.9 / e7797bf2c0297098056a95b6b03ea5a9a3285e36 / . / drivers / net / wireless / b43 / phy_n.c
blob: 905f1d7bac2004ab86ce7b0be4163226df0e1d09 [file] [log] [blame]
Michael Buesch424047e2008-01-09 16:13:56 +0100[diff] [blame]1/*
2
3 Broadcom B43 wireless driver
4 IEEE 802.11n PHY support
5
6 Copyright (c) 2008 Michael Buesch <mb@bu3sch.de>
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; see the file COPYING. If not, write to
20 the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
21 Boston, MA 02110-1301, USA.
22
23*/
24
John W. Linville819d7722008-01-17 16:57:10 -0500[diff] [blame]25#include <linux/delay.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +0900[diff] [blame]26#include <linux/slab.h>
John W. Linville819d7722008-01-17 16:57:10 -0500[diff] [blame]27#include <linux/types.h>
28
Michael Buesch424047e2008-01-09 16:13:56 +0100[diff] [blame]29#include "b43.h"
Michael Buesch3d0da752008-08-30 02:27:19 +0200[diff] [blame]30#include "phy_n.h"
Michael Buesch53a6e232008-01-13 21:23:44 +0100[diff] [blame]31#include "tables_nphy.h"
Rafał Miłecki6db507f2010-10-14 19:33:36 +0200[diff] [blame]32#include "radio_2055.h"
Rafał Miłecki5161bec2010-10-14 21:16:33 +0200[diff] [blame]33#include "radio_2056.h"
Rafał Miłeckibbec3982010-01-15 14:31:39 +0100[diff] [blame]34#include "main.h"
Michael Buesch424047e2008-01-09 16:13:56 +0100[diff] [blame]35
Rafał Miłeckif8187b52010-01-15 12:34:21 +0100[diff] [blame]36struct nphy_txgains {
37 u16 txgm[2];
38 u16 pga[2];
39 u16 pad[2];
40 u16 ipa[2];
41};
42
43struct nphy_iqcal_params {
44 u16 txgm;
45 u16 pga;
46 u16 pad;
47 u16 ipa;
48 u16 cal_gain;
49 u16 ncorr[5];
50};
51
52struct nphy_iq_est {
53 s32 iq0_prod;
54 u32 i0_pwr;
55 u32 q0_pwr;
56 s32 iq1_prod;
57 u32 i1_pwr;
58 u32 q1_pwr;
59};
Michael Buesch424047e2008-01-09 16:13:56 +0100[diff] [blame]60
Rafał Miłecki67c0d6e2010-01-17 13:04:02 +0100[diff] [blame]61enum b43_nphy_rf_sequence {
62 B43_RFSEQ_RX2TX,
63 B43_RFSEQ_TX2RX,
64 B43_RFSEQ_RESET2RX,
65 B43_RFSEQ_UPDATE_GAINH,
66 B43_RFSEQ_UPDATE_GAINL,
67 B43_RFSEQ_UPDATE_GAINU,
68};
69
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]70enum b43_nphy_rssi_type {
71 B43_NPHY_RSSI_X = 0,
72 B43_NPHY_RSSI_Y,
73 B43_NPHY_RSSI_Z,
74 B43_NPHY_RSSI_PWRDET,
75 B43_NPHY_RSSI_TSSI_I,
76 B43_NPHY_RSSI_TSSI_Q,
77 B43_NPHY_RSSI_TBD,
78};
79
Rafał Miłecki161d5402010-11-28 12:59:43 +0100[diff] [blame]80static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev,
81 bool enable);
Rafał Miłecki9501fef2010-01-30 20:18:07 +0100[diff] [blame]82static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
83 u8 *events, u8 *delays, u8 length);
Rafał Miłecki67c0d6e2010-01-17 13:04:02 +0100[diff] [blame]84static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
85 enum b43_nphy_rf_sequence seq);
Rafał Miłecki67cbc3e2010-02-04 12:23:08 +0100[diff] [blame]86static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
87 u16 value, u8 core, bool off);
88static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
89 u16 value, u8 core);
Rafał Miłecki67c0d6e2010-01-17 13:04:02 +0100[diff] [blame]90
Rafał Miłeckie5c407f2010-10-11 03:11:02 +0200[diff] [blame]91static inline bool b43_channel_type_is_40mhz(
92 enum nl80211_channel_type channel_type)
Rafał Miłecki902db912010-02-27 13:03:37 +0100[diff] [blame]93{
Rafał Miłeckie5c407f2010-10-11 03:11:02 +0200[diff] [blame]94 return (channel_type == NL80211_CHAN_HT40MINUS ||
95 channel_type == NL80211_CHAN_HT40PLUS);
Rafał Miłecki902db912010-02-27 13:03:37 +0100[diff] [blame]96}
97
Michael Buesch53a6e232008-01-13 21:23:44 +0100[diff] [blame]98void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
99{//TODO
100}
101
Michael Buesch18c8ade2008-08-28 19:33:40 +0200[diff] [blame]102static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev)
Michael Buesch53a6e232008-01-13 21:23:44 +0100[diff] [blame]103{//TODO
104}
105
Michael Buesch18c8ade2008-08-28 19:33:40 +0200[diff] [blame]106static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev,
107 bool ignore_tssi)
108{//TODO
109 return B43_TXPWR_RES_DONE;
110}
111
Michael Bueschd1591312008-01-14 00:05:57 +0100[diff] [blame]112static void b43_chantab_radio_upload(struct b43_wldev *dev,
Rafał Miłeckif19ebe72010-03-29 00:53:15 +0200[diff] [blame]113 const struct b43_nphy_channeltab_entry_rev2 *e)
Michael Bueschd1591312008-01-14 00:05:57 +0100[diff] [blame]114{
Rafał Miłeckie5255ccc2010-02-27 13:03:35 +0100[diff] [blame]115 b43_radio_write(dev, B2055_PLL_REF, e->radio_pll_ref);
116 b43_radio_write(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
117 b43_radio_write(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
118 b43_radio_write(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
119 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
120
121 b43_radio_write(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
122 b43_radio_write(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
123 b43_radio_write(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
124 b43_radio_write(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
125 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
126
127 b43_radio_write(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
128 b43_radio_write(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
129 b43_radio_write(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
130 b43_radio_write(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
131 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
132
133 b43_radio_write(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
134 b43_radio_write(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
135 b43_radio_write(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
136 b43_radio_write(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
137 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
138
139 b43_radio_write(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
140 b43_radio_write(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
141 b43_radio_write(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
142 b43_radio_write(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
143 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
144
145 b43_radio_write(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
146 b43_radio_write(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
Michael Bueschd1591312008-01-14 00:05:57 +0100[diff] [blame]147}
148
149static void b43_chantab_phy_upload(struct b43_wldev *dev,
Rafał Miłeckib15b3032010-03-29 00:53:13 +0200[diff] [blame]150 const struct b43_phy_n_sfo_cfg *e)
Michael Bueschd1591312008-01-14 00:05:57 +0100[diff] [blame]151{
152 b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a);
153 b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2);
154 b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3);
155 b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4);
156 b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5);
157 b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6);
158}
159
Rafał Miłecki161d5402010-11-28 12:59:43 +0100[diff] [blame]160/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlEnable */
161static void b43_nphy_tx_power_ctrl(struct b43_wldev *dev, bool enable)
162{
163 struct b43_phy_n *nphy = dev->phy.n;
164 u8 i;
165 u16 tmp;
166
167 if (nphy->hang_avoid)
168 b43_nphy_stay_in_carrier_search(dev, 1);
169
170 nphy->txpwrctrl = enable;
171 if (!enable) {
172 if (dev->phy.rev >= 3)
173 ; /* TODO */
174
175 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6840);
176 for (i = 0; i < 84; i++)
177 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
178
179 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6C40);
180 for (i = 0; i < 84; i++)
181 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
182
183 tmp = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
184 if (dev->phy.rev >= 3)
185 tmp |= B43_NPHY_TXPCTL_CMD_PCTLEN;
186 b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD, ~tmp);
187
188 if (dev->phy.rev >= 3) {
189 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
190 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
191 } else {
192 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
193 }
194
195 if (dev->phy.rev == 2)
196 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
197 ~B43_NPHY_BPHY_CTL3_SCALE, 0x53);
198 else if (dev->phy.rev < 2)
199 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
200 ~B43_NPHY_BPHY_CTL3_SCALE, 0x5A);
201
202 if (dev->phy.rev < 2 && 0)
203 ; /* TODO */
204 } else {
205 b43err(dev->wl, "enabling tx pwr ctrl not implemented yet\n");
206 }
207
208 if (nphy->hang_avoid)
209 b43_nphy_stay_in_carrier_search(dev, 0);
210}
211
212/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrFix */
Michael Bueschd1591312008-01-14 00:05:57 +0100[diff] [blame]213static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
214{
Rafał Miłecki161d5402010-11-28 12:59:43 +0100[diff] [blame]215 struct b43_phy_n *nphy = dev->phy.n;
216 struct ssb_sprom *sprom = &(dev->dev->bus->sprom);
217
218 u8 txpi[2], bbmult, i;
219 u16 tmp, radio_gain, dac_gain;
220 u16 freq = dev->phy.channel_freq;
221 u32 txgain;
222 /* u32 gaintbl; rev3+ */
223
224 if (nphy->hang_avoid)
225 b43_nphy_stay_in_carrier_search(dev, 1);
226
227 if (dev->phy.rev >= 3) {
228 txpi[0] = 40;
229 txpi[1] = 40;
230 } else if (sprom->revision < 4) {
231 txpi[0] = 72;
232 txpi[1] = 72;
233 } else {
234 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
235 txpi[0] = sprom->txpid2g[0];
236 txpi[1] = sprom->txpid2g[1];
237 } else if (freq >= 4900 && freq < 5100) {
238 txpi[0] = sprom->txpid5gl[0];
239 txpi[1] = sprom->txpid5gl[1];
240 } else if (freq >= 5100 && freq < 5500) {
241 txpi[0] = sprom->txpid5g[0];
242 txpi[1] = sprom->txpid5g[1];
243 } else if (freq >= 5500) {
244 txpi[0] = sprom->txpid5gh[0];
245 txpi[1] = sprom->txpid5gh[1];
246 } else {
247 txpi[0] = 91;
248 txpi[1] = 91;
249 }
250 }
251
252 /*
253 for (i = 0; i < 2; i++) {
254 nphy->txpwrindex[i].index_internal = txpi[i];
255 nphy->txpwrindex[i].index_internal_save = txpi[i];
256 }
257 */
258
259 for (i = 0; i < 2; i++) {
260 if (dev->phy.rev >= 3) {
261 /* TODO */
262 radio_gain = (txgain >> 16) & 0x1FFFF;
263 } else {
264 txgain = b43_ntab_tx_gain_rev0_1_2[txpi[i]];
265 radio_gain = (txgain >> 16) & 0x1FFF;
266 }
267
268 dac_gain = (txgain >> 8) & 0x3F;
269 bbmult = txgain & 0xFF;
270
271 if (dev->phy.rev >= 3) {
272 if (i == 0)
273 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
274 else
275 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
276 } else {
277 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
278 }
279
280 if (i == 0)
281 b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN1, dac_gain);
282 else
283 b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN2, dac_gain);
284
285 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D10 + i);
286 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, radio_gain);
287
288 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x3C57);
289 tmp = b43_phy_read(dev, B43_NPHY_TABLE_DATALO);
290
291 if (i == 0)
292 tmp = (tmp & 0x00FF) | (bbmult << 8);
293 else
294 tmp = (tmp & 0xFF00) | bbmult;
295
296 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x3C57);
297 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, tmp);
298
299 if (0)
300 ; /* TODO */
301 }
302
303 b43_phy_mask(dev, B43_NPHY_BPHY_CTL2, ~B43_NPHY_BPHY_CTL2_LUT);
304
305 if (nphy->hang_avoid)
306 b43_nphy_stay_in_carrier_search(dev, 0);
Michael Bueschd1591312008-01-14 00:05:57 +0100[diff] [blame]307}
308
Rafał Miłecki7955de02010-02-27 13:03:39 +0100[diff] [blame]309
310/* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2055Setup */
311static void b43_radio_2055_setup(struct b43_wldev *dev,
Rafał Miłeckif19ebe72010-03-29 00:53:15 +0200[diff] [blame]312 const struct b43_nphy_channeltab_entry_rev2 *e)
Rafał Miłecki7955de02010-02-27 13:03:39 +0100[diff] [blame]313{
314 B43_WARN_ON(dev->phy.rev >= 3);
315
316 b43_chantab_radio_upload(dev, e);
317 udelay(50);
Rafał Miłeckie58b1252010-03-29 00:53:16 +0200[diff] [blame]318 b43_radio_write(dev, B2055_VCO_CAL10, 0x05);
319 b43_radio_write(dev, B2055_VCO_CAL10, 0x45);
Rafał Miłecki7955de02010-02-27 13:03:39 +0100[diff] [blame]320 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
Rafał Miłeckie58b1252010-03-29 00:53:16 +0200[diff] [blame]321 b43_radio_write(dev, B2055_VCO_CAL10, 0x65);
Rafał Miłecki7955de02010-02-27 13:03:39 +0100[diff] [blame]322 udelay(300);
323}
324
Michael Buesch53a6e232008-01-13 21:23:44 +0100[diff] [blame]325static void b43_radio_init2055_pre(struct b43_wldev *dev)
326{
327 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
328 ~B43_NPHY_RFCTL_CMD_PORFORCE);
329 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
330 B43_NPHY_RFCTL_CMD_CHIP0PU |
331 B43_NPHY_RFCTL_CMD_OEPORFORCE);
332 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
333 B43_NPHY_RFCTL_CMD_PORFORCE);
334}
335
336static void b43_radio_init2055_post(struct b43_wldev *dev)
337{
Rafał Miłecki036cafe2010-02-27 13:03:36 +0100[diff] [blame]338 struct b43_phy_n *nphy = dev->phy.n;
Michael Buesch53a6e232008-01-13 21:23:44 +0100[diff] [blame]339 struct ssb_sprom *sprom = &(dev->dev->bus->sprom);
340 struct ssb_boardinfo *binfo = &(dev->dev->bus->boardinfo);
341 int i;
342 u16 val;
Rafał Miłecki036cafe2010-02-27 13:03:36 +0100[diff] [blame]343 bool workaround = false;
344
345 if (sprom->revision < 4)
346 workaround = (binfo->vendor != PCI_VENDOR_ID_BROADCOM ||
347 binfo->type != 0x46D ||
348 binfo->rev < 0x41);
349 else
Rafał Miłecki7a4db8f2010-10-22 17:43:48 +0200[diff] [blame]350 workaround =
351 !(sprom->boardflags2_lo & B43_BFL2_RXBB_INT_REG_DIS);
Michael Buesch53a6e232008-01-13 21:23:44 +0100[diff] [blame]352
353 b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
Rafał Miłecki036cafe2010-02-27 13:03:36 +0100[diff] [blame]354 if (workaround) {
355 b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
356 b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F);
Michael Buesch53a6e232008-01-13 21:23:44 +0100[diff] [blame]357 }
Rafał Miłecki036cafe2010-02-27 13:03:36 +0100[diff] [blame]358 b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C);
359 b43_radio_write(dev, B2055_CAL_MISC, 0x3C);
Michael Buesch53a6e232008-01-13 21:23:44 +0100[diff] [blame]360 b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
Michael Buesch53a6e232008-01-13 21:23:44 +0100[diff] [blame]361 b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
Michael Buesch53a6e232008-01-13 21:23:44 +0100[diff] [blame]362 b43_radio_set(dev, B2055_CAL_MISC, 0x1);
363 msleep(1);
364 b43_radio_set(dev, B2055_CAL_MISC, 0x40);
Rafał Miłecki036cafe2010-02-27 13:03:36 +0100[diff] [blame]365 for (i = 0; i < 200; i++) {
366 val = b43_radio_read(dev, B2055_CAL_COUT2);
367 if (val & 0x80) {
368 i = 0;
Michael Buesch53a6e232008-01-13 21:23:44 +0100[diff] [blame]369 break;
Rafał Miłecki036cafe2010-02-27 13:03:36 +0100[diff] [blame]370 }
Michael Buesch53a6e232008-01-13 21:23:44 +0100[diff] [blame]371 udelay(10);
372 }
Rafał Miłecki036cafe2010-02-27 13:03:36 +0100[diff] [blame]373 if (i)
374 b43err(dev->wl, "radio post init timeout\n");
Michael Buesch53a6e232008-01-13 21:23:44 +0100[diff] [blame]375 b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
Rafał Miłecki78159782010-10-06 07:50:08 +0200[diff] [blame]376 b43_switch_channel(dev, dev->phy.channel);
Rafał Miłecki036cafe2010-02-27 13:03:36 +0100[diff] [blame]377 b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9);
378 b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9);
379 b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
380 b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
381 b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6);
382 b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6);
383 if (!nphy->gain_boost) {
384 b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2);
385 b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2);
386 } else {
387 b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD);
388 b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD);
389 }
390 udelay(2);
Michael Buesch53a6e232008-01-13 21:23:44 +0100[diff] [blame]391}
392
Rafał Miłeckic2b7aef2010-02-27 13:03:34 +0100[diff] [blame]393/*
394 * Initialize a Broadcom 2055 N-radio
395 * http://bcm-v4.sipsolutions.net/802.11/Radio/2055/Init
396 */
Michael Buesch53a6e232008-01-13 21:23:44 +0100[diff] [blame]397static void b43_radio_init2055(struct b43_wldev *dev)
398{
399 b43_radio_init2055_pre(dev);
Rafał Miłeckia2d9bc62010-10-22 17:43:49 +0200[diff] [blame]400 if (b43_status(dev) < B43_STAT_INITIALIZED) {
401 /* Follow wl, not specs. Do not force uploading all regs */
402 b2055_upload_inittab(dev, 0, 0);
403 } else {
404 bool ghz5 = b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ;
405 b2055_upload_inittab(dev, ghz5, 0);
406 }
Michael Buesch53a6e232008-01-13 21:23:44 +0100[diff] [blame]407 b43_radio_init2055_post(dev);
408}
409
Rafał Miłecki4772ae12010-01-15 12:18:21 +0100[diff] [blame]410/*
Rafał Miłeckid817f4e2010-03-29 00:53:12 +0200[diff] [blame]411 * Initialize a Broadcom 2056 N-radio
412 * http://bcm-v4.sipsolutions.net/802.11/Radio/2056/Init
413 */
414static void b43_radio_init2056(struct b43_wldev *dev)
415{
416 /* TODO */
417}
418
419
420/*
Rafał Miłecki4772ae12010-01-15 12:18:21 +0100[diff] [blame]421 * Upload the N-PHY tables.
422 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/InitTables
423 */
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]424static void b43_nphy_tables_init(struct b43_wldev *dev)
425{
Rafał Miłecki4772ae12010-01-15 12:18:21 +0100[diff] [blame]426 if (dev->phy.rev < 3)
427 b43_nphy_rev0_1_2_tables_init(dev);
428 else
429 b43_nphy_rev3plus_tables_init(dev);
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]430}
431
Rafał Miłeckie50cbcf2010-01-15 15:02:38 +0100[diff] [blame]432/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */
433static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable)
434{
435 struct b43_phy_n *nphy = dev->phy.n;
436 enum ieee80211_band band;
437 u16 tmp;
438
439 if (!enable) {
440 nphy->rfctrl_intc1_save = b43_phy_read(dev,
441 B43_NPHY_RFCTL_INTC1);
442 nphy->rfctrl_intc2_save = b43_phy_read(dev,
443 B43_NPHY_RFCTL_INTC2);
444 band = b43_current_band(dev->wl);
445 if (dev->phy.rev >= 3) {
446 if (band == IEEE80211_BAND_5GHZ)
447 tmp = 0x600;
448 else
449 tmp = 0x480;
450 } else {
451 if (band == IEEE80211_BAND_5GHZ)
452 tmp = 0x180;
453 else
454 tmp = 0x120;
455 }
456 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
457 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
458 } else {
459 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1,
460 nphy->rfctrl_intc1_save);
461 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2,
462 nphy->rfctrl_intc2_save);
463 }
464}
465
Rafał Miłeckife3e46e2010-01-15 15:51:55 +0100[diff] [blame]466/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */
467static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
468{
469 struct b43_phy_n *nphy = dev->phy.n;
470 u16 tmp;
471 enum ieee80211_band band = b43_current_band(dev->wl);
472 bool ipa = (nphy->ipa2g_on && band == IEEE80211_BAND_2GHZ) ||
473 (nphy->ipa5g_on && band == IEEE80211_BAND_5GHZ);
474
475 if (dev->phy.rev >= 3) {
476 if (ipa) {
477 tmp = 4;
478 b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
479 (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
480 }
481
482 tmp = 1;
483 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
484 (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
485 }
486}
487
Rafał Miłecki4a933c82010-01-15 13:36:43 +0100[diff] [blame]488/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BmacPhyClkFgc */
489static void b43_nphy_bmac_clock_fgc(struct b43_wldev *dev, bool force)
490{
491 u32 tmslow;
492
493 if (dev->phy.type != B43_PHYTYPE_N)
494 return;
495
496 tmslow = ssb_read32(dev->dev, SSB_TMSLOW);
497 if (force)
498 tmslow |= SSB_TMSLOW_FGC;
499 else
500 tmslow &= ~SSB_TMSLOW_FGC;
501 ssb_write32(dev->dev, SSB_TMSLOW, tmslow);
502}
503
504/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]505static void b43_nphy_reset_cca(struct b43_wldev *dev)
506{
507 u16 bbcfg;
508
Rafał Miłecki4a933c82010-01-15 13:36:43 +0100[diff] [blame]509 b43_nphy_bmac_clock_fgc(dev, 1);
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]510 bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG);
Rafał Miłecki4a933c82010-01-15 13:36:43 +0100[diff] [blame]511 b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA);
512 udelay(1);
513 b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA);
514 b43_nphy_bmac_clock_fgc(dev, 0);
Rafał Miłecki67c0d6e2010-01-17 13:04:02 +0100[diff] [blame]515 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]516}
517
Rafał Miłeckiad9716e2010-01-17 13:03:40 +0100[diff] [blame]518/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */
519static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble)
520{
521 u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG);
522
523 mimocfg |= B43_NPHY_MIMOCFG_AUTO;
524 if (preamble == 1)
525 mimocfg |= B43_NPHY_MIMOCFG_GFMIX;
526 else
527 mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX;
528
529 b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg);
530}
531
Rafał Miłecki4f4ab6c2010-01-17 13:03:55 +0100[diff] [blame]532/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
533static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
534{
535 struct b43_phy_n *nphy = dev->phy.n;
536
537 bool override = false;
538 u16 chain = 0x33;
539
540 if (nphy->txrx_chain == 0) {
541 chain = 0x11;
542 override = true;
543 } else if (nphy->txrx_chain == 1) {
544 chain = 0x22;
545 override = true;
546 }
547
548 b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
549 ~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
550 chain);
551
552 if (override)
553 b43_phy_set(dev, B43_NPHY_RFSEQMODE,
554 B43_NPHY_RFSEQMODE_CAOVER);
555 else
556 b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
557 ~B43_NPHY_RFSEQMODE_CAOVER);
558}
559
Rafał Miłecki2faa6b82010-01-15 15:26:12 +0100[diff] [blame]560/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
561static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
562 u16 samps, u8 time, bool wait)
563{
564 int i;
565 u16 tmp;
566
567 b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps);
568 b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time);
569 if (wait)
570 b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE);
571 else
572 b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE);
573
574 b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START);
575
576 for (i = 1000; i; i--) {
577 tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD);
578 if (!(tmp & B43_NPHY_IQEST_CMD_START)) {
579 est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) |
580 b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0);
581 est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) |
582 b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0);
583 est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) |
584 b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0);
585
586 est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) |
587 b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1);
588 est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) |
589 b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1);
590 est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) |
591 b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1);
592 return;
593 }
594 udelay(10);
595 }
596 memset(est, 0, sizeof(*est));
597}
598
Rafał Miłeckia67162a2010-01-15 15:16:25 +0100[diff] [blame]599/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqCoeffs */
600static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write,
601 struct b43_phy_n_iq_comp *pcomp)
602{
603 if (write) {
604 b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPA0, pcomp->a0);
605 b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPB0, pcomp->b0);
606 b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPA1, pcomp->a1);
607 b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPB1, pcomp->b1);
608 } else {
609 pcomp->a0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPA0);
610 pcomp->b0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPB0);
611 pcomp->a1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPA1);
612 pcomp->b1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPB1);
613 }
614}
615
Rafał Miłecki026816f2010-01-17 13:03:28 +0100[diff] [blame]616/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhyCleanup */
617static void b43_nphy_rx_cal_phy_cleanup(struct b43_wldev *dev, u8 core)
618{
619 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
620
621 b43_phy_write(dev, B43_NPHY_RFSEQCA, regs[0]);
622 if (core == 0) {
623 b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[1]);
624 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
625 } else {
626 b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
627 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
628 }
629 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[3]);
630 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[4]);
631 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, regs[5]);
632 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, regs[6]);
633 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, regs[7]);
634 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, regs[8]);
635 b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
636 b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
637}
638
639/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhySetup */
640static void b43_nphy_rx_cal_phy_setup(struct b43_wldev *dev, u8 core)
641{
642 u8 rxval, txval;
643 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
644
645 regs[0] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
646 if (core == 0) {
647 regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
648 regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
649 } else {
650 regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
651 regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
652 }
653 regs[3] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
654 regs[4] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
655 regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
656 regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
657 regs[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S1);
658 regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
659 regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
660 regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
661
662 b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
663 b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
664
Larry Fingeracd82aa2010-07-21 11:48:05 -0500[diff] [blame]665 b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
666 ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
Rafał Miłecki026816f2010-01-17 13:03:28 +0100[diff] [blame]667 ((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
668 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
669 ((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT));
670 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
671 (core << B43_NPHY_RFSEQCA_RXEN_SHIFT));
672 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS,
673 (core << B43_NPHY_RFSEQCA_TXDIS_SHIFT));
674
675 if (core == 0) {
676 b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007);
677 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007);
678 } else {
679 b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007);
680 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007);
681 }
682
Rafał Miłecki67cbc3e2010-02-04 12:23:08 +0100[diff] [blame]683 b43_nphy_rf_control_intc_override(dev, 2, 0, 3);
684 b43_nphy_rf_control_override(dev, 8, 0, 3, false);
Rafał Miłecki67c0d6e2010-01-17 13:04:02 +0100[diff] [blame]685 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
Rafał Miłecki026816f2010-01-17 13:03:28 +0100[diff] [blame]686
687 if (core == 0) {
688 rxval = 1;
689 txval = 8;
690 } else {
691 rxval = 4;
692 txval = 2;
693 }
Rafał Miłecki67cbc3e2010-02-04 12:23:08 +0100[diff] [blame]694 b43_nphy_rf_control_intc_override(dev, 1, rxval, (core + 1));
695 b43_nphy_rf_control_intc_override(dev, 1, txval, (2 - core));
Rafał Miłecki026816f2010-01-17 13:03:28 +0100[diff] [blame]696}
697
Rafał Miłecki34a56f22010-01-15 15:29:05 +0100[diff] [blame]698/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */
699static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask)
700{
701 int i;
702 s32 iq;
703 u32 ii;
704 u32 qq;
705 int iq_nbits, qq_nbits;
706 int arsh, brsh;
707 u16 tmp, a, b;
708
709 struct nphy_iq_est est;
710 struct b43_phy_n_iq_comp old;
711 struct b43_phy_n_iq_comp new = { };
712 bool error = false;
713
714 if (mask == 0)
715 return;
716
717 b43_nphy_rx_iq_coeffs(dev, false, &old);
718 b43_nphy_rx_iq_coeffs(dev, true, &new);
719 b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false);
720 new = old;
721
722 for (i = 0; i < 2; i++) {
723 if (i == 0 && (mask & 1)) {
724 iq = est.iq0_prod;
725 ii = est.i0_pwr;
726 qq = est.q0_pwr;
727 } else if (i == 1 && (mask & 2)) {
728 iq = est.iq1_prod;
729 ii = est.i1_pwr;
730 qq = est.q1_pwr;
731 } else {
Rafał Miłecki34a56f22010-01-15 15:29:05 +0100[diff] [blame]732 continue;
733 }
734
735 if (ii + qq < 2) {
736 error = true;
737 break;
738 }
739
740 iq_nbits = fls(abs(iq));
741 qq_nbits = fls(qq);
742
743 arsh = iq_nbits - 20;
744 if (arsh >= 0) {
745 a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh)));
746 tmp = ii >> arsh;
747 } else {
748 a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh)));
749 tmp = ii << -arsh;
750 }
751 if (tmp == 0) {
752 error = true;
753 break;
754 }
755 a /= tmp;
756
757 brsh = qq_nbits - 11;
758 if (brsh >= 0) {
759 b = (qq << (31 - qq_nbits));
760 tmp = ii >> brsh;
761 } else {
762 b = (qq << (31 - qq_nbits));
763 tmp = ii << -brsh;
764 }
765 if (tmp == 0) {
766 error = true;
767 break;
768 }
769 b = int_sqrt(b / tmp - a * a) - (1 << 10);
770
771 if (i == 0 && (mask & 0x1)) {
772 if (dev->phy.rev >= 3) {
773 new.a0 = a & 0x3FF;
774 new.b0 = b & 0x3FF;
775 } else {
776 new.a0 = b & 0x3FF;
777 new.b0 = a & 0x3FF;
778 }
779 } else if (i == 1 && (mask & 0x2)) {
780 if (dev->phy.rev >= 3) {
781 new.a1 = a & 0x3FF;
782 new.b1 = b & 0x3FF;
783 } else {
784 new.a1 = b & 0x3FF;
785 new.b1 = a & 0x3FF;
786 }
787 }
788 }
789
790 if (error)
791 new = old;
792
793 b43_nphy_rx_iq_coeffs(dev, true, &new);
794}
795
Rafał Miłecki09146402010-01-15 15:17:10 +0100[diff] [blame]796/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */
797static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
798{
799 u16 array[4];
800 int i;
801
802 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x3C50);
803 for (i = 0; i < 4; i++)
804 array[i] = b43_phy_read(dev, B43_NPHY_TABLE_DATALO);
805
806 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]);
807 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]);
808 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]);
809 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
810}
811
Rafał Miłeckibbec3982010-01-15 14:31:39 +0100[diff] [blame]812/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
Joe Perches20407ed2010-11-20 18:38:57 -0800[diff] [blame]813static void b43_nphy_write_clip_detection(struct b43_wldev *dev,
814 const u16 *clip_st)
Rafał Miłeckibbec3982010-01-15 14:31:39 +0100[diff] [blame]815{
816 b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]);
817 b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]);
818}
819
820/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
821static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
822{
823 clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES);
824 clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES);
825}
826
Rafał Miłecki8987a9e2010-02-27 13:03:33 +0100[diff] [blame]827/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */
828static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init)
829{
830 if (dev->phy.rev >= 3) {
831 if (!init)
832 return;
833 if (0 /* FIXME */) {
834 b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211);
835 b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222);
836 b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144);
837 b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188);
838 }
839 } else {
840 b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0);
841 b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0);
842
843 ssb_chipco_gpio_control(&dev->dev->bus->chipco, 0xFC00,
844 0xFC00);
845 b43_write32(dev, B43_MMIO_MACCTL,
846 b43_read32(dev, B43_MMIO_MACCTL) &
847 ~B43_MACCTL_GPOUTSMSK);
848 b43_write16(dev, B43_MMIO_GPIO_MASK,
849 b43_read16(dev, B43_MMIO_GPIO_MASK) | 0xFC00);
850 b43_write16(dev, B43_MMIO_GPIO_CONTROL,
851 b43_read16(dev, B43_MMIO_GPIO_CONTROL) & ~0xFC00);
852
853 if (init) {
854 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
855 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
856 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
857 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
858 }
859 }
860}
861
Rafał Miłeckibbec3982010-01-15 14:31:39 +0100[diff] [blame]862/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */
863static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val)
864{
865 u16 tmp;
866
867 if (dev->dev->id.revision == 16)
868 b43_mac_suspend(dev);
869
870 tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL);
871 tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN |
872 B43_NPHY_CLASSCTL_WAITEDEN);
873 tmp &= ~mask;
874 tmp |= (val & mask);
875 b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp);
876
877 if (dev->dev->id.revision == 16)
878 b43_mac_enable(dev);
879
880 return tmp;
881}
882
Rafał Miłecki5c1a1402010-01-15 15:10:54 +0100[diff] [blame]883/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */
884static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable)
885{
886 struct b43_phy *phy = &dev->phy;
887 struct b43_phy_n *nphy = phy->n;
888
889 if (enable) {
Joe Perches20407ed2010-11-20 18:38:57 -0800[diff] [blame]890 static const u16 clip[] = { 0xFFFF, 0xFFFF };
Rafał Miłecki5c1a1402010-01-15 15:10:54 +0100[diff] [blame]891 if (nphy->deaf_count++ == 0) {
892 nphy->classifier_state = b43_nphy_classifier(dev, 0, 0);
893 b43_nphy_classifier(dev, 0x7, 0);
894 b43_nphy_read_clip_detection(dev, nphy->clip_state);
895 b43_nphy_write_clip_detection(dev, clip);
896 }
897 b43_nphy_reset_cca(dev);
898 } else {
899 if (--nphy->deaf_count == 0) {
900 b43_nphy_classifier(dev, 0x7, nphy->classifier_state);
901 b43_nphy_write_clip_detection(dev, nphy->clip_state);
902 }
903 }
904}
905
Rafał Miłecki53ae8e82010-01-17 13:03:48 +0100[diff] [blame]906/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
907static void b43_nphy_stop_playback(struct b43_wldev *dev)
908{
909 struct b43_phy_n *nphy = dev->phy.n;
910 u16 tmp;
911
912 if (nphy->hang_avoid)
913 b43_nphy_stay_in_carrier_search(dev, 1);
914
915 tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
916 if (tmp & 0x1)
917 b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
918 else if (tmp & 0x2)
Larry Fingeracd82aa2010-07-21 11:48:05 -0500[diff] [blame]919 b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
Rafał Miłecki53ae8e82010-01-17 13:03:48 +0100[diff] [blame]920
921 b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);
922
923 if (nphy->bb_mult_save & 0x80000000) {
924 tmp = nphy->bb_mult_save & 0xFFFF;
Rafał Miłeckid41a3552010-01-18 00:21:17 +0100[diff] [blame]925 b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
Rafał Miłecki53ae8e82010-01-17 13:03:48 +0100[diff] [blame]926 nphy->bb_mult_save = 0;
927 }
928
929 if (nphy->hang_avoid)
930 b43_nphy_stay_in_carrier_search(dev, 0);
931}
932
Rafał Miłecki9442e5b2010-02-04 12:23:12 +0100[diff] [blame]933/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */
934static void b43_nphy_spur_workaround(struct b43_wldev *dev)
935{
936 struct b43_phy_n *nphy = dev->phy.n;
937
Rafał Miłecki204a6652010-10-14 19:33:34 +0200[diff] [blame]938 u8 channel = dev->phy.channel;
Rafał Miłecki9442e5b2010-02-04 12:23:12 +0100[diff] [blame]939 int tone[2] = { 57, 58 };
940 u32 noise[2] = { 0x3FF, 0x3FF };
941
942 B43_WARN_ON(dev->phy.rev < 3);
943
944 if (nphy->hang_avoid)
945 b43_nphy_stay_in_carrier_search(dev, 1);
946
Rafał Miłecki9442e5b2010-02-04 12:23:12 +0100[diff] [blame]947 if (nphy->gband_spurwar_en) {
948 /* TODO: N PHY Adjust Analog Pfbw (7) */
949 if (channel == 11 && dev->phy.is_40mhz)
950 ; /* TODO: N PHY Adjust Min Noise Var(2, tone, noise)*/
951 else
952 ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
953 /* TODO: N PHY Adjust CRS Min Power (0x1E) */
954 }
955
956 if (nphy->aband_spurwar_en) {
957 if (channel == 54) {
958 tone[0] = 0x20;
959 noise[0] = 0x25F;
960 } else if (channel == 38 || channel == 102 || channel == 118) {
961 if (0 /* FIXME */) {
962 tone[0] = 0x20;
963 noise[0] = 0x21F;
964 } else {
965 tone[0] = 0;
966 noise[0] = 0;
967 }
968 } else if (channel == 134) {
969 tone[0] = 0x20;
970 noise[0] = 0x21F;
971 } else if (channel == 151) {
972 tone[0] = 0x10;
973 noise[0] = 0x23F;
974 } else if (channel == 153 || channel == 161) {
975 tone[0] = 0x30;
976 noise[0] = 0x23F;
977 } else {
978 tone[0] = 0;
979 noise[0] = 0;
980 }
981
982 if (!tone[0] && !noise[0])
983 ; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/
984 else
985 ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
986 }
987
988 if (nphy->hang_avoid)
989 b43_nphy_stay_in_carrier_search(dev, 0);
990}
991
Rafał Miłeckid24019a2010-02-27 13:03:38 +0100[diff] [blame]992/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/AdjustLnaGainTbl */
993static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev)
994{
995 struct b43_phy_n *nphy = dev->phy.n;
996
997 u8 i;
998 s16 tmp;
999 u16 data[4];
1000 s16 gain[2];
1001 u16 minmax[2];
Joe Perches20407ed2010-11-20 18:38:57 -0800[diff] [blame]1002 static const u16 lna_gain[4] = { -2, 10, 19, 25 };
Rafał Miłeckid24019a2010-02-27 13:03:38 +0100[diff] [blame]1003
1004 if (nphy->hang_avoid)
1005 b43_nphy_stay_in_carrier_search(dev, 1);
1006
1007 if (nphy->gain_boost) {
1008 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
1009 gain[0] = 6;
1010 gain[1] = 6;
1011 } else {
Rafał Miłecki204a6652010-10-14 19:33:34 +0200[diff] [blame]1012 tmp = 40370 - 315 * dev->phy.channel;
Rafał Miłeckid24019a2010-02-27 13:03:38 +0100[diff] [blame]1013 gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1));
Rafał Miłecki204a6652010-10-14 19:33:34 +0200[diff] [blame]1014 tmp = 23242 - 224 * dev->phy.channel;
Rafał Miłeckid24019a2010-02-27 13:03:38 +0100[diff] [blame]1015 gain[1] = ((tmp >> 13) + ((tmp >> 12) & 1));
1016 }
1017 } else {
1018 gain[0] = 0;
1019 gain[1] = 0;
1020 }
1021
1022 for (i = 0; i < 2; i++) {
1023 if (nphy->elna_gain_config) {
1024 data[0] = 19 + gain[i];
1025 data[1] = 25 + gain[i];
1026 data[2] = 25 + gain[i];
1027 data[3] = 25 + gain[i];
1028 } else {
1029 data[0] = lna_gain[0] + gain[i];
1030 data[1] = lna_gain[1] + gain[i];
1031 data[2] = lna_gain[2] + gain[i];
1032 data[3] = lna_gain[3] + gain[i];
1033 }
Rafał Miłeckic0f05b92010-11-18 13:27:58 +0100[diff] [blame]1034 b43_ntab_write_bulk(dev, B43_NTAB16(i, 8), 4, data);
Rafał Miłeckid24019a2010-02-27 13:03:38 +0100[diff] [blame]1035
1036 minmax[i] = 23 + gain[i];
1037 }
1038
1039 b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN, ~B43_NPHY_C1_MINGAIN,
1040 minmax[0] << B43_NPHY_C1_MINGAIN_SHIFT);
1041 b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN, ~B43_NPHY_C2_MINGAIN,
1042 minmax[1] << B43_NPHY_C2_MINGAIN_SHIFT);
1043
1044 if (nphy->hang_avoid)
1045 b43_nphy_stay_in_carrier_search(dev, 0);
1046}
1047
Rafał Miłeckief5127a2010-01-30 00:12:20 +0100[diff] [blame]1048/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */
Gábor Stefanike723ef32010-08-16 22:39:15 +0200[diff] [blame]1049static void b43_nphy_gain_ctrl_workarounds(struct b43_wldev *dev)
Rafał Miłeckief5127a2010-01-30 00:12:20 +0100[diff] [blame]1050{
1051 struct b43_phy_n *nphy = dev->phy.n;
1052 u8 i, j;
1053 u8 code;
Rafał Miłeckic0f05b92010-11-18 13:27:58 +0100[diff] [blame]1054 u16 tmp;
Rafał Miłeckief5127a2010-01-30 00:12:20 +0100[diff] [blame]1055
1056 /* TODO: for PHY >= 3
1057 s8 *lna1_gain, *lna2_gain;
1058 u8 *gain_db, *gain_bits;
1059 u16 *rfseq_init;
1060 u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 };
1061 u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 };
1062 */
1063
1064 u8 rfseq_events[3] = { 6, 8, 7 };
1065 u8 rfseq_delays[3] = { 10, 30, 1 };
1066
1067 if (dev->phy.rev >= 3) {
1068 /* TODO */
1069 } else {
1070 /* Set Clip 2 detect */
1071 b43_phy_set(dev, B43_NPHY_C1_CGAINI,
1072 B43_NPHY_C1_CGAINI_CL2DETECT);
1073 b43_phy_set(dev, B43_NPHY_C2_CGAINI,
1074 B43_NPHY_C2_CGAINI_CL2DETECT);
1075
1076 /* Set narrowband clip threshold */
Rafał Miłeckia5d35982010-11-18 13:27:59 +0100[diff] [blame]1077 b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84);
1078 b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84);
Rafał Miłeckief5127a2010-01-30 00:12:20 +0100[diff] [blame]1079
1080 if (!dev->phy.is_40mhz) {
1081 /* Set dwell lengths */
Rafał Miłeckia5d35982010-11-18 13:27:59 +0100[diff] [blame]1082 b43_phy_write(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B);
1083 b43_phy_write(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B);
1084 b43_phy_write(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009);
1085 b43_phy_write(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 0x0009);
Rafał Miłeckief5127a2010-01-30 00:12:20 +0100[diff] [blame]1086 }
1087
1088 /* Set wideband clip 2 threshold */
1089 b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
1090 ~B43_NPHY_C1_CLIPWBTHRES_CLIP2,
1091 21);
1092 b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
1093 ~B43_NPHY_C2_CLIPWBTHRES_CLIP2,
1094 21);
1095
1096 if (!dev->phy.is_40mhz) {
1097 b43_phy_maskset(dev, B43_NPHY_C1_CGAINI,
1098 ~B43_NPHY_C1_CGAINI_GAINBKOFF, 0x1);
1099 b43_phy_maskset(dev, B43_NPHY_C2_CGAINI,
1100 ~B43_NPHY_C2_CGAINI_GAINBKOFF, 0x1);
1101 b43_phy_maskset(dev, B43_NPHY_C1_CCK_CGAINI,
1102 ~B43_NPHY_C1_CCK_CGAINI_GAINBKOFF, 0x1);
1103 b43_phy_maskset(dev, B43_NPHY_C2_CCK_CGAINI,
1104 ~B43_NPHY_C2_CCK_CGAINI_GAINBKOFF, 0x1);
1105 }
1106
Rafał Miłeckia5d35982010-11-18 13:27:59 +0100[diff] [blame]1107 b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
Rafał Miłeckief5127a2010-01-30 00:12:20 +0100[diff] [blame]1108
1109 if (nphy->gain_boost) {
1110 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ &&
1111 dev->phy.is_40mhz)
1112 code = 4;
1113 else
1114 code = 5;
1115 } else {
1116 code = dev->phy.is_40mhz ? 6 : 7;
1117 }
1118
1119 /* Set HPVGA2 index */
1120 b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN,
1121 ~B43_NPHY_C1_INITGAIN_HPVGA2,
1122 code << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT);
1123 b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN,
1124 ~B43_NPHY_C2_INITGAIN_HPVGA2,
1125 code << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT);
1126
1127 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
Rafał Miłeckia5d35982010-11-18 13:27:59 +0100[diff] [blame]1128 /* specs say about 2 loops, but wl does 4 */
1129 for (i = 0; i < 4; i++)
1130 b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
1131 (code << 8 | 0x7C));
Rafał Miłeckief5127a2010-01-30 00:12:20 +0100[diff] [blame]1132
Rafał Miłeckid24019a2010-02-27 13:03:38 +0100[diff] [blame]1133 b43_nphy_adjust_lna_gain_table(dev);
Rafał Miłeckief5127a2010-01-30 00:12:20 +0100[diff] [blame]1134
1135 if (nphy->elna_gain_config) {
1136 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0808);
1137 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
1138 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
1139 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
1140 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
1141
1142 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0C08);
1143 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
1144 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
1145 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
1146 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
1147
1148 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
Rafał Miłeckia5d35982010-11-18 13:27:59 +0100[diff] [blame]1149 /* specs say about 2 loops, but wl does 4 */
1150 for (i = 0; i < 4; i++)
1151 b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
1152 (code << 8 | 0x74));
Rafał Miłeckief5127a2010-01-30 00:12:20 +0100[diff] [blame]1153 }
1154
1155 if (dev->phy.rev == 2) {
1156 for (i = 0; i < 4; i++) {
1157 b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
1158 (0x0400 * i) + 0x0020);
Rafał Miłeckic0f05b92010-11-18 13:27:58 +0100[diff] [blame]1159 for (j = 0; j < 21; j++) {
1160 tmp = j * (i < 2 ? 3 : 1);
Rafał Miłeckief5127a2010-01-30 00:12:20 +0100[diff] [blame]1161 b43_phy_write(dev,
Rafał Miłeckic0f05b92010-11-18 13:27:58 +0100[diff] [blame]1162 B43_NPHY_TABLE_DATALO, tmp);
1163 }
Rafał Miłeckief5127a2010-01-30 00:12:20 +0100[diff] [blame]1164 }
1165
Rafał Miłecki9501fef2010-01-30 20:18:07 +0100[diff] [blame]1166 b43_nphy_set_rf_sequence(dev, 5,
1167 rfseq_events, rfseq_delays, 3);
Rafał Miłeckief5127a2010-01-30 00:12:20 +0100[diff] [blame]1168 b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1,
Larry Fingeracd82aa2010-07-21 11:48:05 -0500[diff] [blame]1169 ~B43_NPHY_OVER_DGAIN_CCKDGECV & 0xFFFF,
Rafał Miłeckief5127a2010-01-30 00:12:20 +0100[diff] [blame]1170 0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT);
1171
1172 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
1173 b43_phy_maskset(dev, B43_PHY_N(0xC5D),
1174 0xFF80, 4);
1175 }
1176 }
1177}
1178
Rafał Miłecki28fd7da2010-01-30 00:12:19 +0100[diff] [blame]1179/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
1180static void b43_nphy_workarounds(struct b43_wldev *dev)
1181{
1182 struct ssb_bus *bus = dev->dev->bus;
1183 struct b43_phy *phy = &dev->phy;
1184 struct b43_phy_n *nphy = phy->n;
1185
1186 u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
1187 u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
1188
1189 u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
1190 u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
1191
Rafał Miłeckia5d35982010-11-18 13:27:59 +0100[diff] [blame]1192 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
Rafał Miłecki28fd7da2010-01-30 00:12:19 +0100[diff] [blame]1193 b43_nphy_classifier(dev, 1, 0);
1194 else
1195 b43_nphy_classifier(dev, 1, 1);
1196
1197 if (nphy->hang_avoid)
1198 b43_nphy_stay_in_carrier_search(dev, 1);
1199
1200 b43_phy_set(dev, B43_NPHY_IQFLIP,
1201 B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
1202
1203 if (dev->phy.rev >= 3) {
1204 /* TODO */
1205 } else {
1206 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ &&
1207 nphy->band5g_pwrgain) {
1208 b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
1209 b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8);
1210 } else {
1211 b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
1212 b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
1213 }
1214
1215 /* TODO: convert to b43_ntab_write? */
1216 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2000);
1217 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x000A);
1218 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2010);
1219 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x000A);
1220 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2002);
1221 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0xCDAA);
1222 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2012);
1223 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0xCDAA);
1224
1225 if (dev->phy.rev < 2) {
1226 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2008);
1227 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0000);
1228 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2018);
1229 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0000);
1230 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2007);
1231 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x7AAB);
1232 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2017);
1233 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x7AAB);
1234 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2006);
1235 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0800);
1236 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2016);
1237 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0800);
1238 }
1239
1240 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
1241 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
1242 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
1243 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
1244
1245 if (bus->sprom.boardflags2_lo & 0x100 &&
1246 bus->boardinfo.type == 0x8B) {
1247 delays1[0] = 0x1;
1248 delays1[5] = 0x14;
1249 }
Rafał Miłecki9501fef2010-01-30 20:18:07 +0100[diff] [blame]1250 b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
1251 b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);
Rafał Miłecki28fd7da2010-01-30 00:12:19 +0100[diff] [blame]1252
Gábor Stefanike723ef32010-08-16 22:39:15 +0200[diff] [blame]1253 b43_nphy_gain_ctrl_workarounds(dev);
Rafał Miłecki28fd7da2010-01-30 00:12:19 +0100[diff] [blame]1254
1255 if (dev->phy.rev < 2) {
1256 if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2)
Gábor Stefanike7f45d32010-08-16 22:39:14 +0200[diff] [blame]1257 b43_hf_write(dev, b43_hf_read(dev) |
1258 B43_HF_MLADVW);
Rafał Miłecki28fd7da2010-01-30 00:12:19 +0100[diff] [blame]1259 } else if (dev->phy.rev == 2) {
1260 b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0);
1261 b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0);
1262 }
1263
1264 if (dev->phy.rev < 2)
1265 b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL,
1266 ~B43_NPHY_SCRAM_SIGCTL_SCM);
1267
1268 /* Set phase track alpha and beta */
1269 b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125);
1270 b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3);
1271 b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105);
1272 b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E);
1273 b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD);
1274 b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);
1275
1276 b43_phy_mask(dev, B43_NPHY_PIL_DW1,
Larry Fingeracd82aa2010-07-21 11:48:05 -0500[diff] [blame]1277 ~B43_NPHY_PIL_DW_64QAM & 0xFFFF);
Rafał Miłecki28fd7da2010-01-30 00:12:19 +0100[diff] [blame]1278 b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
1279 b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
1280 b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);
1281
1282 if (dev->phy.rev == 2)
1283 b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
1284 B43_NPHY_FINERX2_CGC_DECGC);
1285 }
1286
1287 if (nphy->hang_avoid)
1288 b43_nphy_stay_in_carrier_search(dev, 0);
1289}
1290
Rafał Miłecki5f6393e2010-02-04 13:08:08 +0100[diff] [blame]1291/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */
1292static int b43_nphy_load_samples(struct b43_wldev *dev,
1293 struct b43_c32 *samples, u16 len) {
1294 struct b43_phy_n *nphy = dev->phy.n;
1295 u16 i;
1296 u32 *data;
1297
1298 data = kzalloc(len * sizeof(u32), GFP_KERNEL);
1299 if (!data) {
1300 b43err(dev->wl, "allocation for samples loading failed\n");
1301 return -ENOMEM;
1302 }
1303 if (nphy->hang_avoid)
1304 b43_nphy_stay_in_carrier_search(dev, 1);
1305
1306 for (i = 0; i < len; i++) {
1307 data[i] = (samples[i].i & 0x3FF << 10);
1308 data[i] |= samples[i].q & 0x3FF;
1309 }
1310 b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data);
1311
1312 kfree(data);
1313 if (nphy->hang_avoid)
1314 b43_nphy_stay_in_carrier_search(dev, 0);
1315 return 0;
1316}
1317
Rafał Miłecki59af0992010-01-22 01:53:16 +0100[diff] [blame]1318/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GenLoadSamples */
1319static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max,
1320 bool test)
1321{
1322 int i;
Rafał Miłeckif2982182010-01-25 19:00:01 +0100[diff] [blame]1323 u16 bw, len, rot, angle;
Larry Fingerda860472010-01-26 16:42:02 -0600[diff] [blame]1324 struct b43_c32 *samples;
Rafał Miłeckif2982182010-01-25 19:00:01 +0100[diff] [blame]1325
Rafał Miłecki59af0992010-01-22 01:53:16 +0100[diff] [blame]1326
1327 bw = (dev->phy.is_40mhz) ? 40 : 20;
1328 len = bw << 3;
1329
1330 if (test) {
1331 if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX)
1332 bw = 82;
1333 else
1334 bw = 80;
1335
1336 if (dev->phy.is_40mhz)
1337 bw <<= 1;
1338
1339 len = bw << 1;
1340 }
1341
Joe Perchesbaeb2ff2010-08-11 07:02:48 +0000[diff] [blame]1342 samples = kcalloc(len, sizeof(struct b43_c32), GFP_KERNEL);
Rafał Miłecki40bd5202010-02-04 13:11:54 +0100[diff] [blame]1343 if (!samples) {
1344 b43err(dev->wl, "allocation for samples generation failed\n");
1345 return 0;
1346 }
Rafał Miłecki59af0992010-01-22 01:53:16 +0100[diff] [blame]1347 rot = (((freq * 36) / bw) << 16) / 100;
1348 angle = 0;
1349
Rafał Miłeckif2982182010-01-25 19:00:01 +0100[diff] [blame]1350 for (i = 0; i < len; i++) {
1351 samples[i] = b43_cordic(angle);
1352 angle += rot;
1353 samples[i].q = CORDIC_CONVERT(samples[i].q * max);
1354 samples[i].i = CORDIC_CONVERT(samples[i].i * max);
Rafał Miłecki59af0992010-01-22 01:53:16 +0100[diff] [blame]1355 }
1356
Rafał Miłecki5f6393e2010-02-04 13:08:08 +0100[diff] [blame]1357 i = b43_nphy_load_samples(dev, samples, len);
Rafał Miłeckif2982182010-01-25 19:00:01 +0100[diff] [blame]1358 kfree(samples);
Rafał Miłecki5f6393e2010-02-04 13:08:08 +0100[diff] [blame]1359 return (i < 0) ? 0 : len;
Rafał Miłecki59af0992010-01-22 01:53:16 +0100[diff] [blame]1360}
1361
Rafał Miłecki10a79872010-01-22 01:53:14 +0100[diff] [blame]1362/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */
1363static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops,
1364 u16 wait, bool iqmode, bool dac_test)
1365{
1366 struct b43_phy_n *nphy = dev->phy.n;
1367 int i;
1368 u16 seq_mode;
1369 u32 tmp;
1370
1371 if (nphy->hang_avoid)
1372 b43_nphy_stay_in_carrier_search(dev, true);
1373
1374 if ((nphy->bb_mult_save & 0x80000000) == 0) {
1375 tmp = b43_ntab_read(dev, B43_NTAB16(15, 87));
1376 nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000;
1377 }
1378
1379 if (!dev->phy.is_40mhz)
1380 tmp = 0x6464;
1381 else
1382 tmp = 0x4747;
1383 b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
1384
1385 if (nphy->hang_avoid)
1386 b43_nphy_stay_in_carrier_search(dev, false);
1387
1388 b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1));
1389
1390 if (loops != 0xFFFF)
1391 b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1));
1392 else
1393 b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops);
1394
1395 b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait);
1396
1397 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
1398
1399 b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER);
1400 if (iqmode) {
1401 b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
1402 b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000);
1403 } else {
1404 if (dac_test)
1405 b43_phy_write(dev, B43_NPHY_SAMP_CMD, 5);
1406 else
1407 b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1);
1408 }
1409 for (i = 0; i < 100; i++) {
1410 if (b43_phy_read(dev, B43_NPHY_RFSEQST) & 1) {
1411 i = 0;
1412 break;
1413 }
1414 udelay(10);
1415 }
1416 if (i)
1417 b43err(dev->wl, "run samples timeout\n");
1418
1419 b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
1420}
1421
Rafał Miłecki59af0992010-01-22 01:53:16 +0100[diff] [blame]1422/*
1423 * Transmits a known value for LO calibration
1424 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
1425 */
1426static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
1427 bool iqmode, bool dac_test)
1428{
1429 u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
1430 if (samp == 0)
1431 return -1;
1432 b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
1433 return 0;
1434}
1435
Rafał Miłecki6dcd9d92010-01-15 16:24:57 +0100[diff] [blame]1436/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
1437static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
1438{
1439 struct b43_phy_n *nphy = dev->phy.n;
1440 int i, j;
1441 u32 tmp;
1442 u32 cur_real, cur_imag, real_part, imag_part;
1443
1444 u16 buffer[7];
1445
1446 if (nphy->hang_avoid)
1447 b43_nphy_stay_in_carrier_search(dev, true);
1448
Rafał Miłecki91458342010-01-18 00:21:35 +0100[diff] [blame]1449 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
Rafał Miłecki6dcd9d92010-01-15 16:24:57 +0100[diff] [blame]1450
1451 for (i = 0; i < 2; i++) {
1452 tmp = ((buffer[i * 2] & 0x3FF) << 10) |
1453 (buffer[i * 2 + 1] & 0x3FF);
1454 b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
1455 (((i + 26) << 10) | 320));
1456 for (j = 0; j < 128; j++) {
1457 b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
1458 ((tmp >> 16) & 0xFFFF));
1459 b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
1460 (tmp & 0xFFFF));
1461 }
1462 }
1463
1464 for (i = 0; i < 2; i++) {
1465 tmp = buffer[5 + i];
1466 real_part = (tmp >> 8) & 0xFF;
1467 imag_part = (tmp & 0xFF);
1468 b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
1469 (((i + 26) << 10) | 448));
1470
1471 if (dev->phy.rev >= 3) {
1472 cur_real = real_part;
1473 cur_imag = imag_part;
1474 tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
1475 }
1476
1477 for (j = 0; j < 128; j++) {
1478 if (dev->phy.rev < 3) {
1479 cur_real = (real_part * loscale[j] + 128) >> 8;
1480 cur_imag = (imag_part * loscale[j] + 128) >> 8;
1481 tmp = ((cur_real & 0xFF) << 8) |
1482 (cur_imag & 0xFF);
1483 }
1484 b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
1485 ((tmp >> 16) & 0xFFFF));
1486 b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
1487 (tmp & 0xFFFF));
1488 }
1489 }
1490
1491 if (dev->phy.rev >= 3) {
1492 b43_shm_write16(dev, B43_SHM_SHARED,
1493 B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF);
1494 b43_shm_write16(dev, B43_SHM_SHARED,
1495 B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF);
1496 }
1497
1498 if (nphy->hang_avoid)
1499 b43_nphy_stay_in_carrier_search(dev, false);
1500}
1501
Rafał Miłecki9501fef2010-01-30 20:18:07 +0100[diff] [blame]1502/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRfSeq */
1503static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
1504 u8 *events, u8 *delays, u8 length)
1505{
1506 struct b43_phy_n *nphy = dev->phy.n;
1507 u8 i;
1508 u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F;
1509 u16 offset1 = cmd << 4;
1510 u16 offset2 = offset1 + 0x80;
1511
1512 if (nphy->hang_avoid)
1513 b43_nphy_stay_in_carrier_search(dev, true);
1514
1515 b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events);
1516 b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays);
1517
1518 for (i = length; i < 16; i++) {
1519 b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end);
1520 b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1);
1521 }
1522
1523 if (nphy->hang_avoid)
1524 b43_nphy_stay_in_carrier_search(dev, false);
1525}
1526
Rafał Miłecki67c0d6e2010-01-17 13:04:02 +0100[diff] [blame]1527/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ForceRFSeq */
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]1528static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
1529 enum b43_nphy_rf_sequence seq)
1530{
1531 static const u16 trigger[] = {
1532 [B43_RFSEQ_RX2TX] = B43_NPHY_RFSEQTR_RX2TX,
1533 [B43_RFSEQ_TX2RX] = B43_NPHY_RFSEQTR_TX2RX,
1534 [B43_RFSEQ_RESET2RX] = B43_NPHY_RFSEQTR_RST2RX,
1535 [B43_RFSEQ_UPDATE_GAINH] = B43_NPHY_RFSEQTR_UPGH,
1536 [B43_RFSEQ_UPDATE_GAINL] = B43_NPHY_RFSEQTR_UPGL,
1537 [B43_RFSEQ_UPDATE_GAINU] = B43_NPHY_RFSEQTR_UPGU,
1538 };
1539 int i;
Rafał Miłeckic57199b2010-01-17 13:04:08 +0100[diff] [blame]1540 u16 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]1541
1542 B43_WARN_ON(seq >= ARRAY_SIZE(trigger));
1543
1544 b43_phy_set(dev, B43_NPHY_RFSEQMODE,
1545 B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER);
1546 b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]);
1547 for (i = 0; i < 200; i++) {
1548 if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq]))
1549 goto ok;
1550 msleep(1);
1551 }
1552 b43err(dev->wl, "RF sequence status timeout\n");
1553ok:
Rafał Miłeckic57199b2010-01-17 13:04:08 +0100[diff] [blame]1554 b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]1555}
1556
Rafał Miłecki75377b22010-01-22 01:53:13 +0100[diff] [blame]1557/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */
1558static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
1559 u16 value, u8 core, bool off)
1560{
1561 int i;
1562 u8 index = fls(field);
1563 u8 addr, en_addr, val_addr;
1564 /* we expect only one bit set */
Rafał Miłecki3ed0fac2010-01-25 18:59:58 +0100[diff] [blame]1565 B43_WARN_ON(field & (~(1 << (index - 1))));
Rafał Miłecki75377b22010-01-22 01:53:13 +0100[diff] [blame]1566
1567 if (dev->phy.rev >= 3) {
1568 const struct nphy_rf_control_override_rev3 *rf_ctrl;
1569 for (i = 0; i < 2; i++) {
1570 if (index == 0 || index == 16) {
1571 b43err(dev->wl,
1572 "Unsupported RF Ctrl Override call\n");
1573 return;
1574 }
1575
1576 rf_ctrl = &tbl_rf_control_override_rev3[index - 1];
1577 en_addr = B43_PHY_N((i == 0) ?
1578 rf_ctrl->en_addr0 : rf_ctrl->en_addr1);
1579 val_addr = B43_PHY_N((i == 0) ?
1580 rf_ctrl->val_addr0 : rf_ctrl->val_addr1);
1581
1582 if (off) {
1583 b43_phy_mask(dev, en_addr, ~(field));
1584 b43_phy_mask(dev, val_addr,
1585 ~(rf_ctrl->val_mask));
1586 } else {
1587 if (core == 0 || ((1 << core) & i) != 0) {
1588 b43_phy_set(dev, en_addr, field);
1589 b43_phy_maskset(dev, val_addr,
1590 ~(rf_ctrl->val_mask),
1591 (value << rf_ctrl->val_shift));
1592 }
1593 }
1594 }
1595 } else {
1596 const struct nphy_rf_control_override_rev2 *rf_ctrl;
1597 if (off) {
1598 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(field));
1599 value = 0;
1600 } else {
1601 b43_phy_set(dev, B43_NPHY_RFCTL_OVER, field);
1602 }
1603
1604 for (i = 0; i < 2; i++) {
1605 if (index <= 1 || index == 16) {
1606 b43err(dev->wl,
1607 "Unsupported RF Ctrl Override call\n");
1608 return;
1609 }
1610
1611 if (index == 2 || index == 10 ||
1612 (index >= 13 && index <= 15)) {
1613 core = 1;
1614 }
1615
1616 rf_ctrl = &tbl_rf_control_override_rev2[index - 2];
1617 addr = B43_PHY_N((i == 0) ?
1618 rf_ctrl->addr0 : rf_ctrl->addr1);
1619
1620 if ((core & (1 << i)) != 0)
1621 b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask),
1622 (value << rf_ctrl->shift));
1623
1624 b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
1625 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1626 B43_NPHY_RFCTL_CMD_START);
1627 udelay(1);
1628 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE);
1629 }
1630 }
1631}
1632
Rafał Miłecki67cbc3e2010-02-04 12:23:08 +0100[diff] [blame]1633/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */
1634static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
1635 u16 value, u8 core)
1636{
1637 u8 i, j;
1638 u16 reg, tmp, val;
1639
1640 B43_WARN_ON(dev->phy.rev < 3);
1641 B43_WARN_ON(field > 4);
1642
1643 for (i = 0; i < 2; i++) {
1644 if ((core == 1 && i == 1) || (core == 2 && !i))
1645 continue;
1646
1647 reg = (i == 0) ?
1648 B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;
1649 b43_phy_mask(dev, reg, 0xFBFF);
1650
1651 switch (field) {
1652 case 0:
1653 b43_phy_write(dev, reg, 0);
1654 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
1655 break;
1656 case 1:
1657 if (!i) {
1658 b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC1,
1659 0xFC3F, (value << 6));
1660 b43_phy_maskset(dev, B43_NPHY_TXF_40CO_B1S1,
1661 0xFFFE, 1);
1662 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1663 B43_NPHY_RFCTL_CMD_START);
1664 for (j = 0; j < 100; j++) {
1665 if (b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_START) {
1666 j = 0;
1667 break;
1668 }
1669 udelay(10);
1670 }
1671 if (j)
1672 b43err(dev->wl,
1673 "intc override timeout\n");
1674 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1,
1675 0xFFFE);
1676 } else {
1677 b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC2,
1678 0xFC3F, (value << 6));
1679 b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
1680 0xFFFE, 1);
1681 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1682 B43_NPHY_RFCTL_CMD_RXTX);
1683 for (j = 0; j < 100; j++) {
1684 if (b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_RXTX) {
1685 j = 0;
1686 break;
1687 }
1688 udelay(10);
1689 }
1690 if (j)
1691 b43err(dev->wl,
1692 "intc override timeout\n");
1693 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
1694 0xFFFE);
1695 }
1696 break;
1697 case 2:
1698 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
1699 tmp = 0x0020;
1700 val = value << 5;
1701 } else {
1702 tmp = 0x0010;
1703 val = value << 4;
1704 }
1705 b43_phy_maskset(dev, reg, ~tmp, val);
1706 break;
1707 case 3:
1708 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
1709 tmp = 0x0001;
1710 val = value;
1711 } else {
1712 tmp = 0x0004;
1713 val = value << 2;
1714 }
1715 b43_phy_maskset(dev, reg, ~tmp, val);
1716 break;
1717 case 4:
1718 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
1719 tmp = 0x0002;
1720 val = value << 1;
1721 } else {
1722 tmp = 0x0008;
1723 val = value << 3;
1724 }
1725 b43_phy_maskset(dev, reg, ~tmp, val);
1726 break;
1727 }
1728 }
1729}
1730
Rafał Miłeckibec18642010-11-18 13:28:00 +0100[diff] [blame]1731/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BPHYInit */
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]1732static void b43_nphy_bphy_init(struct b43_wldev *dev)
1733{
1734 unsigned int i;
1735 u16 val;
1736
1737 val = 0x1E1F;
Rafał Miłeckifee613b2010-11-18 21:11:41 +0100[diff] [blame]1738 for (i = 0; i < 16; i++) {
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]1739 b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
1740 val -= 0x202;
1741 }
1742 val = 0x3E3F;
1743 for (i = 0; i < 16; i++) {
Rafał Miłeckifee613b2010-11-18 21:11:41 +0100[diff] [blame]1744 b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val);
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]1745 val -= 0x202;
1746 }
1747 b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
1748}
1749
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1750/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */
1751static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1752 s8 offset, u8 core, u8 rail,
1753 enum b43_nphy_rssi_type type)
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1754{
1755 u16 tmp;
1756 bool core1or5 = (core == 1) || (core == 5);
1757 bool core2or5 = (core == 2) || (core == 5);
1758
1759 offset = clamp_val(offset, -32, 31);
1760 tmp = ((scale & 0x3F) << 8) | (offset & 0x3F);
1761
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1762 if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_Z))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1763 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1764 if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_Z))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1765 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1766 if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_Z))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1767 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1768 if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_Z))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1769 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1770
1771 if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_X))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1772 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1773 if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_X))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1774 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1775 if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_X))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1776 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1777 if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_X))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1778 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1779
1780 if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_Y))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1781 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1782 if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_Y))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1783 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1784 if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_Y))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1785 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1786 if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_Y))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1787 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1788
1789 if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_TBD))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1790 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1791 if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_TBD))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1792 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1793 if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_TBD))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1794 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1795 if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_TBD))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1796 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1797
1798 if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_PWRDET))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1799 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1800 if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_PWRDET))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1801 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1802 if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_PWRDET))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1803 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1804 if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_PWRDET))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1805 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1806
1807 if (core1or5 && (type == B43_NPHY_RSSI_TSSI_I))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1808 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1809 if (core2or5 && (type == B43_NPHY_RSSI_TSSI_I))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1810 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1811
1812 if (core1or5 && (type == B43_NPHY_RSSI_TSSI_Q))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1813 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp);
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]1814 if (core2or5 && (type == B43_NPHY_RSSI_TSSI_Q))
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1815 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp);
1816}
1817
Rafał Miłecki99b82c42010-01-30 20:18:03 +0100[diff] [blame]1818static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1819{
1820 u16 val;
1821
Rafał Miłecki99b82c42010-01-30 20:18:03 +0100[diff] [blame]1822 if (type < 3)
1823 val = 0;
1824 else if (type == 6)
1825 val = 1;
1826 else if (type == 3)
1827 val = 2;
1828 else
1829 val = 3;
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1830
Rafał Miłecki99b82c42010-01-30 20:18:03 +0100[diff] [blame]1831 val = (val << 12) | (val << 14);
1832 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val);
1833 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val);
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1834
Rafał Miłecki99b82c42010-01-30 20:18:03 +0100[diff] [blame]1835 if (type < 3) {
1836 b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF,
1837 (type + 1) << 4);
1838 b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF,
1839 (type + 1) << 4);
1840 }
1841
Rafał Miłecki99b82c42010-01-30 20:18:03 +0100[diff] [blame]1842 if (code == 0) {
Rafał Miłecki99f6c2e2010-11-30 22:33:14 +0100[diff] [blame]1843 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x3000);
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1844 if (type < 3) {
Rafał Miłecki99f6c2e2010-11-30 22:33:14 +0100[diff] [blame]1845 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
1846 ~(B43_NPHY_RFCTL_CMD_RXEN |
1847 B43_NPHY_RFCTL_CMD_CORESEL));
1848 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
1849 ~(0x1 << 12 |
1850 0x1 << 5 |
1851 0x1 << 1 |
1852 0x1));
1853 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
1854 ~B43_NPHY_RFCTL_CMD_START);
Rafał Miłecki99b82c42010-01-30 20:18:03 +0100[diff] [blame]1855 udelay(20);
Rafał Miłecki99f6c2e2010-11-30 22:33:14 +0100[diff] [blame]1856 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1857 }
Rafał Miłecki99b82c42010-01-30 20:18:03 +0100[diff] [blame]1858 } else {
Rafał Miłecki99f6c2e2010-11-30 22:33:14 +0100[diff] [blame]1859 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x3000);
Rafał Miłecki99b82c42010-01-30 20:18:03 +0100[diff] [blame]1860 if (type < 3) {
1861 b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD,
Rafał Miłecki99f6c2e2010-11-30 22:33:14 +0100[diff] [blame]1862 ~(B43_NPHY_RFCTL_CMD_RXEN |
1863 B43_NPHY_RFCTL_CMD_CORESEL),
1864 (B43_NPHY_RFCTL_CMD_RXEN |
1865 code << B43_NPHY_RFCTL_CMD_CORESEL_SHIFT));
1866 b43_phy_set(dev, B43_NPHY_RFCTL_OVER,
1867 (0x1 << 12 |
1868 0x1 << 5 |
1869 0x1 << 1 |
1870 0x1));
1871 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1872 B43_NPHY_RFCTL_CMD_START);
Rafał Miłecki99b82c42010-01-30 20:18:03 +0100[diff] [blame]1873 udelay(20);
Rafał Miłecki99f6c2e2010-11-30 22:33:14 +0100[diff] [blame]1874 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
Rafał Miłecki3c956272010-01-15 14:38:32 +0100[diff] [blame]1875 }
1876 }
1877}
1878
Rafał Miłecki99b82c42010-01-30 20:18:03 +0100[diff] [blame]1879static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
1880{
Rafał Miłecki6e3b15a2010-01-30 20:18:04 +0100[diff] [blame]1881 struct b43_phy_n *nphy = dev->phy.n;
1882 u8 i;
1883 u16 reg, val;
1884
1885 if (code == 0) {
1886 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF);
1887 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF);
1888 b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF);
1889 b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF);
1890 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF);
1891 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF);
1892 b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3);
1893 b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3);
1894 } else {
1895 for (i = 0; i < 2; i++) {
1896 if ((code == 1 && i == 1) || (code == 2 && !i))
1897 continue;
1898
1899 reg = (i == 0) ?
1900 B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
1901 b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);
1902
1903 if (type < 3) {
1904 reg = (i == 0) ?
1905 B43_NPHY_AFECTL_C1 :
1906 B43_NPHY_AFECTL_C2;
1907 b43_phy_maskset(dev, reg, 0xFCFF, 0);
1908
1909 reg = (i == 0) ?
1910 B43_NPHY_RFCTL_LUT_TRSW_UP1 :
1911 B43_NPHY_RFCTL_LUT_TRSW_UP2;
1912 b43_phy_maskset(dev, reg, 0xFFC3, 0);
1913
1914 if (type == 0)
1915 val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8;
1916 else if (type == 1)
1917 val = 16;
1918 else
1919 val = 32;
1920 b43_phy_set(dev, reg, val);
1921
1922 reg = (i == 0) ?
1923 B43_NPHY_TXF_40CO_B1S0 :
1924 B43_NPHY_TXF_40CO_B32S1;
1925 b43_phy_set(dev, reg, 0x0020);
1926 } else {
1927 if (type == 6)
1928 val = 0x0100;
1929 else if (type == 3)
1930 val = 0x0200;
1931 else
1932 val = 0x0300;
1933
1934 reg = (i == 0) ?
1935 B43_NPHY_AFECTL_C1 :
1936 B43_NPHY_AFECTL_C2;
1937
1938 b43_phy_maskset(dev, reg, 0xFCFF, val);
1939 b43_phy_maskset(dev, reg, 0xF3FF, val << 2);
1940
1941 if (type != 3 && type != 6) {
1942 enum ieee80211_band band =
1943 b43_current_band(dev->wl);
1944
1945 if ((nphy->ipa2g_on &&
1946 band == IEEE80211_BAND_2GHZ) ||
1947 (nphy->ipa5g_on &&
1948 band == IEEE80211_BAND_5GHZ))
1949 val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
1950 else
1951 val = 0x11;
1952 reg = (i == 0) ? 0x2000 : 0x3000;
1953 reg |= B2055_PADDRV;
1954 b43_radio_write16(dev, reg, val);
1955
1956 reg = (i == 0) ?
1957 B43_NPHY_AFECTL_OVER1 :
1958 B43_NPHY_AFECTL_OVER;
1959 b43_phy_set(dev, reg, 0x0200);
1960 }
1961 }
1962 }
1963 }
Rafał Miłecki99b82c42010-01-30 20:18:03 +0100[diff] [blame]1964}
1965
1966/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
1967static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
1968{
1969 if (dev->phy.rev >= 3)
1970 b43_nphy_rev3_rssi_select(dev, code, type);
1971 else
1972 b43_nphy_rev2_rssi_select(dev, code, type);
1973}
1974
Rafał Miłeckidfb4aa52010-01-15 14:45:13 +0100[diff] [blame]1975/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
1976static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, u8 type, u8 *buf)
1977{
1978 int i;
1979 for (i = 0; i < 2; i++) {
1980 if (type == 2) {
1981 if (i == 0) {
1982 b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
1983 0xFC, buf[0]);
1984 b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
1985 0xFC, buf[1]);
1986 } else {
1987 b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM,
1988 0xFC, buf[2 * i]);
1989 b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
1990 0xFC, buf[2 * i + 1]);
1991 }
1992 } else {
1993 if (i == 0)
1994 b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
1995 0xF3, buf[0] << 2);
1996 else
1997 b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
1998 0xF3, buf[2 * i + 1] << 2);
1999 }
2000 }
2001}
2002
2003/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
2004static int b43_nphy_poll_rssi(struct b43_wldev *dev, u8 type, s32 *buf,
2005 u8 nsamp)
2006{
2007 int i;
2008 int out;
2009 u16 save_regs_phy[9];
2010 u16 s[2];
2011
2012 if (dev->phy.rev >= 3) {
2013 save_regs_phy[0] = b43_phy_read(dev,
2014 B43_NPHY_RFCTL_LUT_TRSW_UP1);
2015 save_regs_phy[1] = b43_phy_read(dev,
2016 B43_NPHY_RFCTL_LUT_TRSW_UP2);
2017 save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
2018 save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
2019 save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
2020 save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
2021 save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0);
2022 save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1);
Rafał Miłeckia529cec2010-11-18 21:11:42 +0100[diff] [blame]2023 } else if (dev->phy.rev == 2) {
2024 save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
2025 save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
2026 save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
2027 save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_RFCTL_CMD);
2028 save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
2029 save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
2030 save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
Rafał Miłeckidfb4aa52010-01-15 14:45:13 +0100[diff] [blame]2031 }
2032
2033 b43_nphy_rssi_select(dev, 5, type);
2034
2035 if (dev->phy.rev < 2) {
2036 save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
2037 b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5);
2038 }
2039
2040 for (i = 0; i < 4; i++)
2041 buf[i] = 0;
2042
2043 for (i = 0; i < nsamp; i++) {
2044 if (dev->phy.rev < 2) {
2045 s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT);
2046 s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT);
2047 } else {
2048 s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
2049 s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
2050 }
2051
2052 buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2;
2053 buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2;
2054 buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2;
2055 buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2;
2056 }
2057 out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 |
2058 (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF);
2059
2060 if (dev->phy.rev < 2)
2061 b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);
2062
2063 if (dev->phy.rev >= 3) {
2064 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
2065 save_regs_phy[0]);
2066 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
2067 save_regs_phy[1]);
2068 b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[2]);
2069 b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[3]);
2070 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]);
2071 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]);
2072 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]);
2073 b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]);
Rafał Miłeckia529cec2010-11-18 21:11:42 +0100[diff] [blame]2074 } else if (dev->phy.rev == 2) {
2075 b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
2076 b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
2077 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[2]);
2078 b43_phy_write(dev, B43_NPHY_RFCTL_CMD, save_regs_phy[3]);
2079 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, save_regs_phy[4]);
2080 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, save_regs_phy[5]);
2081 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, save_regs_phy[6]);
Rafał Miłeckidfb4aa52010-01-15 14:45:13 +0100[diff] [blame]2082 }
2083
2084 return out;
2085}
2086
Rafał Miłecki4cb99772010-01-15 13:40:58 +0100[diff] [blame]2087/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
2088static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]2089{
Rafał Miłecki90b97382010-01-15 14:48:21 +0100[diff] [blame]2090 int i, j;
2091 u8 state[4];
2092 u8 code, val;
2093 u16 class, override;
2094 u8 regs_save_radio[2];
2095 u16 regs_save_phy[2];
Rafał Miłecki8cbe6e62010-11-28 12:59:45 +0100[diff] [blame]2096
Rafał Miłecki90b97382010-01-15 14:48:21 +0100[diff] [blame]2097 s8 offset[4];
Rafał Miłecki8cbe6e62010-11-28 12:59:45 +0100[diff] [blame]2098 u8 core;
2099 u8 rail;
Rafał Miłecki90b97382010-01-15 14:48:21 +0100[diff] [blame]2100
2101 u16 clip_state[2];
2102 u16 clip_off[2] = { 0xFFFF, 0xFFFF };
2103 s32 results_min[4] = { };
2104 u8 vcm_final[4] = { };
2105 s32 results[4][4] = { };
2106 s32 miniq[4][2] = { };
2107
2108 if (type == 2) {
2109 code = 0;
2110 val = 6;
2111 } else if (type < 2) {
2112 code = 25;
2113 val = 4;
2114 } else {
2115 B43_WARN_ON(1);
2116 return;
2117 }
2118
2119 class = b43_nphy_classifier(dev, 0, 0);
2120 b43_nphy_classifier(dev, 7, 4);
2121 b43_nphy_read_clip_detection(dev, clip_state);
2122 b43_nphy_write_clip_detection(dev, clip_off);
2123
2124 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
2125 override = 0x140;
2126 else
2127 override = 0x110;
2128
2129 regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
2130 regs_save_radio[0] = b43_radio_read16(dev, B2055_C1_PD_RXTX);
2131 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
2132 b43_radio_write16(dev, B2055_C1_PD_RXTX, val);
2133
2134 regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
2135 regs_save_radio[1] = b43_radio_read16(dev, B2055_C2_PD_RXTX);
2136 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
2137 b43_radio_write16(dev, B2055_C2_PD_RXTX, val);
2138
2139 state[0] = b43_radio_read16(dev, B2055_C1_PD_RSSIMISC) & 0x07;
2140 state[1] = b43_radio_read16(dev, B2055_C2_PD_RSSIMISC) & 0x07;
2141 b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
2142 b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
2143 state[2] = b43_radio_read16(dev, B2055_C1_SP_RSSI) & 0x07;
2144 state[3] = b43_radio_read16(dev, B2055_C2_SP_RSSI) & 0x07;
2145
2146 b43_nphy_rssi_select(dev, 5, type);
2147 b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 0, type);
2148 b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 1, type);
2149
2150 for (i = 0; i < 4; i++) {
2151 u8 tmp[4];
2152 for (j = 0; j < 4; j++)
2153 tmp[j] = i;
2154 if (type != 1)
2155 b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
2156 b43_nphy_poll_rssi(dev, type, results[i], 8);
2157 if (type < 2)
2158 for (j = 0; j < 2; j++)
2159 miniq[i][j] = min(results[i][2 * j],
2160 results[i][2 * j + 1]);
2161 }
2162
2163 for (i = 0; i < 4; i++) {
2164 s32 mind = 40;
2165 u8 minvcm = 0;
2166 s32 minpoll = 249;
2167 s32 curr;
2168 for (j = 0; j < 4; j++) {
2169 if (type == 2)
2170 curr = abs(results[j][i]);
2171 else
2172 curr = abs(miniq[j][i / 2] - code * 8);
2173
2174 if (curr < mind) {
2175 mind = curr;
2176 minvcm = j;
2177 }
2178
2179 if (results[j][i] < minpoll)
2180 minpoll = results[j][i];
2181 }
2182 results_min[i] = minpoll;
2183 vcm_final[i] = minvcm;
2184 }
2185
2186 if (type != 1)
2187 b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
2188
2189 for (i = 0; i < 4; i++) {
2190 offset[i] = (code * 8) - results[vcm_final[i]][i];
2191
2192 if (offset[i] < 0)
2193 offset[i] = -((abs(offset[i]) + 4) / 8);
2194 else
2195 offset[i] = (offset[i] + 4) / 8;
2196
2197 if (results_min[i] == 248)
2198 offset[i] = code - 32;
2199
Rafał Miłecki8cbe6e62010-11-28 12:59:45 +0100[diff] [blame]2200 core = (i / 2) ? 2 : 1;
2201 rail = (i % 2) ? 1 : 0;
2202
2203 b43_nphy_scale_offset_rssi(dev, 0, offset[i], core, rail,
2204 type);
Rafał Miłecki90b97382010-01-15 14:48:21 +0100[diff] [blame]2205 }
2206
2207 b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
Rafał Miłecki0b81c232010-11-18 21:11:43 +0100[diff] [blame]2208 b43_radio_maskset(dev, B2055_C2_PD_RSSIMISC, 0xF8, state[1]);
Rafał Miłecki90b97382010-01-15 14:48:21 +0100[diff] [blame]2209
2210 switch (state[2]) {
2211 case 1:
2212 b43_nphy_rssi_select(dev, 1, 2);
2213 break;
2214 case 4:
2215 b43_nphy_rssi_select(dev, 1, 0);
2216 break;
2217 case 2:
2218 b43_nphy_rssi_select(dev, 1, 1);
2219 break;
2220 default:
2221 b43_nphy_rssi_select(dev, 1, 1);
2222 break;
2223 }
2224
2225 switch (state[3]) {
2226 case 1:
2227 b43_nphy_rssi_select(dev, 2, 2);
2228 break;
2229 case 4:
2230 b43_nphy_rssi_select(dev, 2, 0);
2231 break;
2232 default:
2233 b43_nphy_rssi_select(dev, 2, 1);
2234 break;
2235 }
2236
2237 b43_nphy_rssi_select(dev, 0, type);
2238
2239 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
2240 b43_radio_write16(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
2241 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
2242 b43_radio_write16(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);
2243
2244 b43_nphy_classifier(dev, 7, class);
2245 b43_nphy_write_clip_detection(dev, clip_state);
Rafał Miłecki8c1d5a72010-11-28 12:59:44 +0100[diff] [blame]2246 /* Specs don't say about reset here, but it makes wl and b43 dumps
2247 identical, it really seems wl performs this */
2248 b43_nphy_reset_cca(dev);
Rafał Miłecki4cb99772010-01-15 13:40:58 +0100[diff] [blame]2249}
2250
2251/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
2252static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
2253{
2254 /* TODO */
2255}
2256
2257/*
2258 * RSSI Calibration
2259 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal
2260 */
2261static void b43_nphy_rssi_cal(struct b43_wldev *dev)
2262{
2263 if (dev->phy.rev >= 3) {
2264 b43_nphy_rev3_rssi_cal(dev);
2265 } else {
Rafał Miłecki76b002b2010-11-30 22:33:15 +0100[diff] [blame]2266 b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Z);
2267 b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_X);
2268 b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Y);
Rafał Miłecki4cb99772010-01-15 13:40:58 +0100[diff] [blame]2269 }
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]2270}
2271
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]2272/*
Rafał Miłecki42e15472010-01-15 15:06:47 +0100[diff] [blame]2273 * Restore RSSI Calibration
2274 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal
2275 */
2276static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
2277{
2278 struct b43_phy_n *nphy = dev->phy.n;
2279
2280 u16 *rssical_radio_regs = NULL;
2281 u16 *rssical_phy_regs = NULL;
2282
2283 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
Rafał Miłecki204a6652010-10-14 19:33:34 +0200[diff] [blame]2284 if (!nphy->rssical_chanspec_2G.center_freq)
Rafał Miłecki42e15472010-01-15 15:06:47 +0100[diff] [blame]2285 return;
2286 rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
2287 rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
2288 } else {
Rafał Miłecki204a6652010-10-14 19:33:34 +0200[diff] [blame]2289 if (!nphy->rssical_chanspec_5G.center_freq)
Rafał Miłecki42e15472010-01-15 15:06:47 +0100[diff] [blame]2290 return;
2291 rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
2292 rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
2293 }
2294
2295 /* TODO use some definitions */
2296 b43_radio_maskset(dev, 0x602B, 0xE3, rssical_radio_regs[0]);
2297 b43_radio_maskset(dev, 0x702B, 0xE3, rssical_radio_regs[1]);
2298
2299 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]);
2300 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]);
2301 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]);
2302 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]);
2303
2304 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]);
2305 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]);
2306 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]);
2307 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]);
2308
2309 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]);
2310 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]);
2311 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]);
2312 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]);
2313}
2314
Rafał Miłecki2f258b72010-01-15 15:18:35 +0100[diff] [blame]2315/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetIpaGainTbl */
2316static const u32 *b43_nphy_get_ipa_gain_table(struct b43_wldev *dev)
2317{
2318 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2319 if (dev->phy.rev >= 6) {
2320 /* TODO If the chip is 47162
2321 return txpwrctrl_tx_gain_ipa_rev5 */
2322 return txpwrctrl_tx_gain_ipa_rev6;
2323 } else if (dev->phy.rev >= 5) {
2324 return txpwrctrl_tx_gain_ipa_rev5;
2325 } else {
2326 return txpwrctrl_tx_gain_ipa;
2327 }
2328 } else {
2329 return txpwrctrl_tx_gain_ipa_5g;
2330 }
2331}
2332
Rafał Miłeckic4a92002010-01-15 15:55:18 +0100[diff] [blame]2333/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */
2334static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
2335{
2336 struct b43_phy_n *nphy = dev->phy.n;
2337 u16 *save = nphy->tx_rx_cal_radio_saveregs;
Rafał Miłecki52cb5e92010-01-30 20:18:06 +0100[diff] [blame]2338 u16 tmp;
2339 u8 offset, i;
Rafał Miłeckic4a92002010-01-15 15:55:18 +0100[diff] [blame]2340
2341 if (dev->phy.rev >= 3) {
Rafał Miłecki52cb5e92010-01-30 20:18:06 +0100[diff] [blame]2342 for (i = 0; i < 2; i++) {
2343 tmp = (i == 0) ? 0x2000 : 0x3000;
2344 offset = i * 11;
2345
2346 save[offset + 0] = b43_radio_read16(dev, B2055_CAL_RVARCTL);
2347 save[offset + 1] = b43_radio_read16(dev, B2055_CAL_LPOCTL);
2348 save[offset + 2] = b43_radio_read16(dev, B2055_CAL_TS);
2349 save[offset + 3] = b43_radio_read16(dev, B2055_CAL_RCCALRTS);
2350 save[offset + 4] = b43_radio_read16(dev, B2055_CAL_RCALRTS);
2351 save[offset + 5] = b43_radio_read16(dev, B2055_PADDRV);
2352 save[offset + 6] = b43_radio_read16(dev, B2055_XOCTL1);
2353 save[offset + 7] = b43_radio_read16(dev, B2055_XOCTL2);
2354 save[offset + 8] = b43_radio_read16(dev, B2055_XOREGUL);
2355 save[offset + 9] = b43_radio_read16(dev, B2055_XOMISC);
2356 save[offset + 10] = b43_radio_read16(dev, B2055_PLL_LFC1);
2357
2358 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
2359 b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x0A);
2360 b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
2361 b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
2362 b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
2363 b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
2364 if (nphy->ipa5g_on) {
2365 b43_radio_write16(dev, tmp | B2055_PADDRV, 4);
2366 b43_radio_write16(dev, tmp | B2055_XOCTL1, 1);
2367 } else {
2368 b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
2369 b43_radio_write16(dev, tmp | B2055_XOCTL1, 0x2F);
2370 }
2371 b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
2372 } else {
2373 b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x06);
2374 b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
2375 b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
2376 b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
2377 b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
2378 b43_radio_write16(dev, tmp | B2055_XOCTL1, 0);
2379 if (nphy->ipa2g_on) {
2380 b43_radio_write16(dev, tmp | B2055_PADDRV, 6);
2381 b43_radio_write16(dev, tmp | B2055_XOCTL2,
2382 (dev->phy.rev < 5) ? 0x11 : 0x01);
2383 } else {
2384 b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
2385 b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
2386 }
2387 }
2388 b43_radio_write16(dev, tmp | B2055_XOREGUL, 0);
2389 b43_radio_write16(dev, tmp | B2055_XOMISC, 0);
2390 b43_radio_write16(dev, tmp | B2055_PLL_LFC1, 0);
2391 }
Rafał Miłeckic4a92002010-01-15 15:55:18 +0100[diff] [blame]2392 } else {
2393 save[0] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL1);
2394 b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL1, 0x29);
2395
2396 save[1] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL2);
2397 b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL2, 0x54);
2398
2399 save[2] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL1);
2400 b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL1, 0x29);
2401
2402 save[3] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL2);
2403 b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL2, 0x54);
2404
2405 save[3] = b43_radio_read16(dev, B2055_C1_PWRDET_RXTX);
2406 save[4] = b43_radio_read16(dev, B2055_C2_PWRDET_RXTX);
2407
2408 if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) &
2409 B43_NPHY_BANDCTL_5GHZ)) {
2410 b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x04);
2411 b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x04);
2412 } else {
2413 b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x20);
2414 b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x20);
2415 }
2416
2417 if (dev->phy.rev < 2) {
2418 b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20);
2419 b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20);
2420 } else {
2421 b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20);
2422 b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20);
2423 }
2424 }
2425}
2426
Rafał Miłeckie9762492010-01-15 16:08:25 +0100[diff] [blame]2427/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
2428static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
2429 struct nphy_txgains target,
2430 struct nphy_iqcal_params *params)
2431{
2432 int i, j, indx;
2433 u16 gain;
2434
2435 if (dev->phy.rev >= 3) {
2436 params->txgm = target.txgm[core];
2437 params->pga = target.pga[core];
2438 params->pad = target.pad[core];
2439 params->ipa = target.ipa[core];
2440 params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
2441 (params->pad << 4) | (params->ipa);
2442 for (j = 0; j < 5; j++)
2443 params->ncorr[j] = 0x79;
2444 } else {
2445 gain = (target.pad[core]) | (target.pga[core] << 4) |
2446 (target.txgm[core] << 8);
2447
2448 indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
2449 1 : 0;
2450 for (i = 0; i < 9; i++)
2451 if (tbl_iqcal_gainparams[indx][i][0] == gain)
2452 break;
2453 i = min(i, 8);
2454
2455 params->txgm = tbl_iqcal_gainparams[indx][i][1];
2456 params->pga = tbl_iqcal_gainparams[indx][i][2];
2457 params->pad = tbl_iqcal_gainparams[indx][i][3];
2458 params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
2459 (params->pad << 2);
2460 for (j = 0; j < 4; j++)
2461 params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
2462 }
2463}
2464
Rafał Miłeckide7ed0c2010-01-15 16:06:35 +0100[diff] [blame]2465/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
2466static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
2467{
2468 struct b43_phy_n *nphy = dev->phy.n;
2469 int i;
2470 u16 scale, entry;
2471
2472 u16 tmp = nphy->txcal_bbmult;
2473 if (core == 0)
2474 tmp >>= 8;
2475 tmp &= 0xff;
2476
2477 for (i = 0; i < 18; i++) {
2478 scale = (ladder_lo[i].percent * tmp) / 100;
2479 entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env;
Rafał Miłeckid41a3552010-01-18 00:21:17 +0100[diff] [blame]2480 b43_ntab_write(dev, B43_NTAB16(15, i), entry);
Rafał Miłeckide7ed0c2010-01-15 16:06:35 +0100[diff] [blame]2481
2482 scale = (ladder_iq[i].percent * tmp) / 100;
2483 entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;
Rafał Miłeckid41a3552010-01-18 00:21:17 +0100[diff] [blame]2484 b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry);
Rafał Miłeckide7ed0c2010-01-15 16:06:35 +0100[diff] [blame]2485 }
2486}
2487
Rafał Miłecki45ca6972010-01-22 01:53:15 +0100[diff] [blame]2488/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */
2489static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev)
2490{
2491 int i;
2492 for (i = 0; i < 15; i++)
2493 b43_phy_write(dev, B43_PHY_N(0x2C5 + i),
2494 tbl_tx_filter_coef_rev4[2][i]);
2495}
2496
2497/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */
2498static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev)
2499{
2500 int i, j;
2501 /* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */
Joe Perches20407ed2010-11-20 18:38:57 -0800[diff] [blame]2502 static const u16 offset[] = { 0x186, 0x195, 0x2C5 };
Rafał Miłecki45ca6972010-01-22 01:53:15 +0100[diff] [blame]2503
2504 for (i = 0; i < 3; i++)
2505 for (j = 0; j < 15; j++)
2506 b43_phy_write(dev, B43_PHY_N(offset[i] + j),
2507 tbl_tx_filter_coef_rev4[i][j]);
2508
2509 if (dev->phy.is_40mhz) {
2510 for (j = 0; j < 15; j++)
2511 b43_phy_write(dev, B43_PHY_N(offset[0] + j),
2512 tbl_tx_filter_coef_rev4[3][j]);
2513 } else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
2514 for (j = 0; j < 15; j++)
2515 b43_phy_write(dev, B43_PHY_N(offset[0] + j),
2516 tbl_tx_filter_coef_rev4[5][j]);
2517 }
2518
2519 if (dev->phy.channel == 14)
2520 for (j = 0; j < 15; j++)
2521 b43_phy_write(dev, B43_PHY_N(offset[0] + j),
2522 tbl_tx_filter_coef_rev4[6][j]);
2523}
2524
Rafał Miłeckib0022e12010-01-15 15:40:50 +0100[diff] [blame]2525/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
2526static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
2527{
2528 struct b43_phy_n *nphy = dev->phy.n;
2529
2530 u16 curr_gain[2];
2531 struct nphy_txgains target;
2532 const u32 *table = NULL;
2533
Rafał Miłecki161d5402010-11-28 12:59:43 +0100[diff] [blame]2534 if (!nphy->txpwrctrl) {
Rafał Miłeckib0022e12010-01-15 15:40:50 +0100[diff] [blame]2535 int i;
2536
2537 if (nphy->hang_avoid)
2538 b43_nphy_stay_in_carrier_search(dev, true);
Rafał Miłecki91458342010-01-18 00:21:35 +0100[diff] [blame]2539 b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain);
Rafał Miłeckib0022e12010-01-15 15:40:50 +0100[diff] [blame]2540 if (nphy->hang_avoid)
2541 b43_nphy_stay_in_carrier_search(dev, false);
2542
2543 for (i = 0; i < 2; ++i) {
2544 if (dev->phy.rev >= 3) {
2545 target.ipa[i] = curr_gain[i] & 0x000F;
2546 target.pad[i] = (curr_gain[i] & 0x00F0) >> 4;
2547 target.pga[i] = (curr_gain[i] & 0x0F00) >> 8;
2548 target.txgm[i] = (curr_gain[i] & 0x7000) >> 12;
2549 } else {
2550 target.ipa[i] = curr_gain[i] & 0x0003;
2551 target.pad[i] = (curr_gain[i] & 0x000C) >> 2;
2552 target.pga[i] = (curr_gain[i] & 0x0070) >> 4;
2553 target.txgm[i] = (curr_gain[i] & 0x0380) >> 7;
2554 }
2555 }
2556 } else {
2557 int i;
2558 u16 index[2];
2559 index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) &
2560 B43_NPHY_TXPCTL_STAT_BIDX) >>
2561 B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
2562 index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) &
2563 B43_NPHY_TXPCTL_STAT_BIDX) >>
2564 B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
2565
2566 for (i = 0; i < 2; ++i) {
2567 if (dev->phy.rev >= 3) {
2568 enum ieee80211_band band =
2569 b43_current_band(dev->wl);
2570
2571 if ((nphy->ipa2g_on &&
2572 band == IEEE80211_BAND_2GHZ) ||
2573 (nphy->ipa5g_on &&
2574 band == IEEE80211_BAND_5GHZ)) {
2575 table = b43_nphy_get_ipa_gain_table(dev);
2576 } else {
2577 if (band == IEEE80211_BAND_5GHZ) {
2578 if (dev->phy.rev == 3)
2579 table = b43_ntab_tx_gain_rev3_5ghz;
2580 else if (dev->phy.rev == 4)
2581 table = b43_ntab_tx_gain_rev4_5ghz;
2582 else
2583 table = b43_ntab_tx_gain_rev5plus_5ghz;
2584 } else {
2585 table = b43_ntab_tx_gain_rev3plus_2ghz;
2586 }
2587 }
2588
2589 target.ipa[i] = (table[index[i]] >> 16) & 0xF;
2590 target.pad[i] = (table[index[i]] >> 20) & 0xF;
2591 target.pga[i] = (table[index[i]] >> 24) & 0xF;
2592 target.txgm[i] = (table[index[i]] >> 28) & 0xF;
2593 } else {
2594 table = b43_ntab_tx_gain_rev0_1_2;
2595
2596 target.ipa[i] = (table[index[i]] >> 16) & 0x3;
2597 target.pad[i] = (table[index[i]] >> 18) & 0x3;
2598 target.pga[i] = (table[index[i]] >> 20) & 0x7;
2599 target.txgm[i] = (table[index[i]] >> 23) & 0x7;
2600 }
2601 }
2602 }
2603
2604 return target;
2605}
2606
Rafał Miłeckie53de672010-01-17 13:03:32 +0100[diff] [blame]2607/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhyCleanup */
2608static void b43_nphy_tx_cal_phy_cleanup(struct b43_wldev *dev)
2609{
2610 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
2611
2612 if (dev->phy.rev >= 3) {
2613 b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[0]);
2614 b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
2615 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
2616 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[3]);
2617 b43_phy_write(dev, B43_NPHY_BBCFG, regs[4]);
Rafał Miłeckid41a3552010-01-18 00:21:17 +0100[diff] [blame]2618 b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]);
2619 b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]);
Rafał Miłeckie53de672010-01-17 13:03:32 +0100[diff] [blame]2620 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[7]);
2621 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[8]);
2622 b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
2623 b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
2624 b43_nphy_reset_cca(dev);
2625 } else {
2626 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, regs[0]);
2627 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, regs[1]);
2628 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
Rafał Miłeckid41a3552010-01-18 00:21:17 +0100[diff] [blame]2629 b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]);
2630 b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]);
Rafał Miłeckie53de672010-01-17 13:03:32 +0100[diff] [blame]2631 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[5]);
2632 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[6]);
2633 }
2634}
2635
2636/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */
2637static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev)
2638{
2639 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
2640 u16 tmp;
2641
2642 regs[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
2643 regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
2644 if (dev->phy.rev >= 3) {
2645 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0xF0FF, 0x0A00);
2646 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0xF0FF, 0x0A00);
2647
2648 tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
2649 regs[2] = tmp;
2650 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, tmp | 0x0600);
2651
2652 tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
2653 regs[3] = tmp;
2654 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x0600);
2655
2656 regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG);
Larry Fingeracd82aa2010-07-21 11:48:05 -0500[diff] [blame]2657 b43_phy_mask(dev, B43_NPHY_BBCFG,
2658 ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
Rafał Miłeckie53de672010-01-17 13:03:32 +0100[diff] [blame]2659
Rafał Miłeckic643a662010-01-18 00:21:27 +0100[diff] [blame]2660 tmp = b43_ntab_read(dev, B43_NTAB16(8, 3));
Rafał Miłeckie53de672010-01-17 13:03:32 +0100[diff] [blame]2661 regs[5] = tmp;
Rafał Miłeckid41a3552010-01-18 00:21:17 +0100[diff] [blame]2662 b43_ntab_write(dev, B43_NTAB16(8, 3), 0);
Rafał Miłeckic643a662010-01-18 00:21:27 +0100[diff] [blame]2663
2664 tmp = b43_ntab_read(dev, B43_NTAB16(8, 19));
Rafał Miłeckie53de672010-01-17 13:03:32 +0100[diff] [blame]2665 regs[6] = tmp;
Rafał Miłeckid41a3552010-01-18 00:21:17 +0100[diff] [blame]2666 b43_ntab_write(dev, B43_NTAB16(8, 19), 0);
Rafał Miłeckie53de672010-01-17 13:03:32 +0100[diff] [blame]2667 regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
2668 regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
2669
Rafał Miłecki67cbc3e2010-02-04 12:23:08 +0100[diff] [blame]2670 b43_nphy_rf_control_intc_override(dev, 2, 1, 3);
2671 b43_nphy_rf_control_intc_override(dev, 1, 2, 1);
2672 b43_nphy_rf_control_intc_override(dev, 1, 8, 2);
Rafał Miłeckie53de672010-01-17 13:03:32 +0100[diff] [blame]2673
2674 regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
2675 regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
2676 b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
2677 b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
2678 } else {
2679 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, 0xA000);
2680 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, 0xA000);
2681 tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
2682 regs[2] = tmp;
2683 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000);
Rafał Miłeckic643a662010-01-18 00:21:27 +0100[diff] [blame]2684 tmp = b43_ntab_read(dev, B43_NTAB16(8, 2));
Rafał Miłeckie53de672010-01-17 13:03:32 +0100[diff] [blame]2685 regs[3] = tmp;
2686 tmp |= 0x2000;
Rafał Miłeckid41a3552010-01-18 00:21:17 +0100[diff] [blame]2687 b43_ntab_write(dev, B43_NTAB16(8, 2), tmp);
Rafał Miłeckic643a662010-01-18 00:21:27 +0100[diff] [blame]2688 tmp = b43_ntab_read(dev, B43_NTAB16(8, 18));
Rafał Miłeckie53de672010-01-17 13:03:32 +0100[diff] [blame]2689 regs[4] = tmp;
2690 tmp |= 0x2000;
Rafał Miłeckid41a3552010-01-18 00:21:17 +0100[diff] [blame]2691 b43_ntab_write(dev, B43_NTAB16(8, 18), tmp);
Rafał Miłeckie53de672010-01-17 13:03:32 +0100[diff] [blame]2692 regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
2693 regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
2694 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
2695 tmp = 0x0180;
2696 else
2697 tmp = 0x0120;
2698 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
2699 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
2700 }
2701}
2702
Rafał Miłeckibbc6dc12010-02-04 12:23:11 +0100[diff] [blame]2703/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */
2704static void b43_nphy_save_cal(struct b43_wldev *dev)
2705{
2706 struct b43_phy_n *nphy = dev->phy.n;
2707
2708 struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
2709 u16 *txcal_radio_regs = NULL;
Rafał Miłecki902db912010-02-27 13:03:37 +0100[diff] [blame]2710 struct b43_chanspec *iqcal_chanspec;
Rafał Miłeckibbc6dc12010-02-04 12:23:11 +0100[diff] [blame]2711 u16 *table = NULL;
2712
2713 if (nphy->hang_avoid)
2714 b43_nphy_stay_in_carrier_search(dev, 1);
2715
2716 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2717 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
2718 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
2719 iqcal_chanspec = &nphy->iqcal_chanspec_2G;
2720 table = nphy->cal_cache.txcal_coeffs_2G;
2721 } else {
2722 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
2723 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
2724 iqcal_chanspec = &nphy->iqcal_chanspec_5G;
2725 table = nphy->cal_cache.txcal_coeffs_5G;
2726 }
2727
2728 b43_nphy_rx_iq_coeffs(dev, false, rxcal_coeffs);
2729 /* TODO use some definitions */
2730 if (dev->phy.rev >= 3) {
2731 txcal_radio_regs[0] = b43_radio_read(dev, 0x2021);
2732 txcal_radio_regs[1] = b43_radio_read(dev, 0x2022);
2733 txcal_radio_regs[2] = b43_radio_read(dev, 0x3021);
2734 txcal_radio_regs[3] = b43_radio_read(dev, 0x3022);
2735 txcal_radio_regs[4] = b43_radio_read(dev, 0x2023);
2736 txcal_radio_regs[5] = b43_radio_read(dev, 0x2024);
2737 txcal_radio_regs[6] = b43_radio_read(dev, 0x3023);
2738 txcal_radio_regs[7] = b43_radio_read(dev, 0x3024);
2739 } else {
2740 txcal_radio_regs[0] = b43_radio_read(dev, 0x8B);
2741 txcal_radio_regs[1] = b43_radio_read(dev, 0xBA);
2742 txcal_radio_regs[2] = b43_radio_read(dev, 0x8D);
2743 txcal_radio_regs[3] = b43_radio_read(dev, 0xBC);
2744 }
Rafał Miłecki204a6652010-10-14 19:33:34 +0200[diff] [blame]2745 iqcal_chanspec->center_freq = dev->phy.channel_freq;
2746 iqcal_chanspec->channel_type = dev->phy.channel_type;
Rafał Miłecki5818e982010-10-14 19:33:35 +0200[diff] [blame]2747 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 8, table);
Rafał Miłeckibbc6dc12010-02-04 12:23:11 +0100[diff] [blame]2748
2749 if (nphy->hang_avoid)
2750 b43_nphy_stay_in_carrier_search(dev, 0);
2751}
2752
Rafał Miłecki2f258b72010-01-15 15:18:35 +0100[diff] [blame]2753/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */
2754static void b43_nphy_restore_cal(struct b43_wldev *dev)
2755{
2756 struct b43_phy_n *nphy = dev->phy.n;
2757
2758 u16 coef[4];
2759 u16 *loft = NULL;
2760 u16 *table = NULL;
2761
2762 int i;
2763 u16 *txcal_radio_regs = NULL;
2764 struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
2765
2766 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
Rafał Miłecki204a6652010-10-14 19:33:34 +0200[diff] [blame]2767 if (!nphy->iqcal_chanspec_2G.center_freq)
Rafał Miłecki2f258b72010-01-15 15:18:35 +0100[diff] [blame]2768 return;
2769 table = nphy->cal_cache.txcal_coeffs_2G;
2770 loft = &nphy->cal_cache.txcal_coeffs_2G[5];
2771 } else {
Rafał Miłecki204a6652010-10-14 19:33:34 +0200[diff] [blame]2772 if (!nphy->iqcal_chanspec_5G.center_freq)
Rafał Miłecki2f258b72010-01-15 15:18:35 +0100[diff] [blame]2773 return;
2774 table = nphy->cal_cache.txcal_coeffs_5G;
2775 loft = &nphy->cal_cache.txcal_coeffs_5G[5];
2776 }
2777
Rafał Miłecki2581b142010-01-18 00:21:21 +0100[diff] [blame]2778 b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table);
Rafał Miłecki2f258b72010-01-15 15:18:35 +0100[diff] [blame]2779
2780 for (i = 0; i < 4; i++) {
2781 if (dev->phy.rev >= 3)
2782 table[i] = coef[i];
2783 else
2784 coef[i] = 0;
2785 }
2786
Rafał Miłecki2581b142010-01-18 00:21:21 +0100[diff] [blame]2787 b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef);
2788 b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft);
2789 b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft);
Rafał Miłecki2f258b72010-01-15 15:18:35 +0100[diff] [blame]2790
2791 if (dev->phy.rev < 2)
2792 b43_nphy_tx_iq_workaround(dev);
2793
2794 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2795 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
2796 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
2797 } else {
2798 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
2799 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
2800 }
2801
2802 /* TODO use some definitions */
2803 if (dev->phy.rev >= 3) {
2804 b43_radio_write(dev, 0x2021, txcal_radio_regs[0]);
2805 b43_radio_write(dev, 0x2022, txcal_radio_regs[1]);
2806 b43_radio_write(dev, 0x3021, txcal_radio_regs[2]);
2807 b43_radio_write(dev, 0x3022, txcal_radio_regs[3]);
2808 b43_radio_write(dev, 0x2023, txcal_radio_regs[4]);
2809 b43_radio_write(dev, 0x2024, txcal_radio_regs[5]);
2810 b43_radio_write(dev, 0x3023, txcal_radio_regs[6]);
2811 b43_radio_write(dev, 0x3024, txcal_radio_regs[7]);
2812 } else {
2813 b43_radio_write(dev, 0x8B, txcal_radio_regs[0]);
2814 b43_radio_write(dev, 0xBA, txcal_radio_regs[1]);
2815 b43_radio_write(dev, 0x8D, txcal_radio_regs[2]);
2816 b43_radio_write(dev, 0xBC, txcal_radio_regs[3]);
2817 }
2818 b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs);
2819}
2820
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]2821/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalTxIqlo */
2822static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
2823 struct nphy_txgains target,
2824 bool full, bool mphase)
2825{
2826 struct b43_phy_n *nphy = dev->phy.n;
2827 int i;
2828 int error = 0;
2829 int freq;
2830 bool avoid = false;
2831 u8 length;
2832 u16 tmp, core, type, count, max, numb, last, cmd;
2833 const u16 *table;
2834 bool phy6or5x;
2835
2836 u16 buffer[11];
2837 u16 diq_start = 0;
2838 u16 save[2];
2839 u16 gain[2];
2840 struct nphy_iqcal_params params[2];
2841 bool updated[2] = { };
2842
2843 b43_nphy_stay_in_carrier_search(dev, true);
2844
2845 if (dev->phy.rev >= 4) {
2846 avoid = nphy->hang_avoid;
2847 nphy->hang_avoid = 0;
2848 }
2849
Rafał Miłecki91458342010-01-18 00:21:35 +0100[diff] [blame]2850 b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]2851
2852 for (i = 0; i < 2; i++) {
2853 b43_nphy_iq_cal_gain_params(dev, i, target, &params[i]);
2854 gain[i] = params[i].cal_gain;
2855 }
Rafał Miłecki2581b142010-01-18 00:21:21 +0100[diff] [blame]2856
2857 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]2858
2859 b43_nphy_tx_cal_radio_setup(dev);
Rafał Miłeckie53de672010-01-17 13:03:32 +0100[diff] [blame]2860 b43_nphy_tx_cal_phy_setup(dev);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]2861
2862 phy6or5x = dev->phy.rev >= 6 ||
2863 (dev->phy.rev == 5 && nphy->ipa2g_on &&
2864 b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ);
2865 if (phy6or5x) {
Rafał Miłecki38bb9022010-01-30 20:18:05 +0100[diff] [blame]2866 if (dev->phy.is_40mhz) {
2867 b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
2868 tbl_tx_iqlo_cal_loft_ladder_40);
2869 b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
2870 tbl_tx_iqlo_cal_iqimb_ladder_40);
2871 } else {
2872 b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
2873 tbl_tx_iqlo_cal_loft_ladder_20);
2874 b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
2875 tbl_tx_iqlo_cal_iqimb_ladder_20);
2876 }
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]2877 }
2878
2879 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9);
2880
Rafał Miłeckiaa4c7b22010-01-22 01:53:12 +0100[diff] [blame]2881 if (!dev->phy.is_40mhz)
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]2882 freq = 2500;
2883 else
2884 freq = 5000;
2885
2886 if (nphy->mphase_cal_phase_id > 2)
Rafał Miłecki10a79872010-01-22 01:53:14 +0100[diff] [blame]2887 b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8,
2888 0xFFFF, 0, true, false);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]2889 else
Rafał Miłecki59af0992010-01-22 01:53:16 +0100[diff] [blame]2890 error = b43_nphy_tx_tone(dev, freq, 250, true, false);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]2891
2892 if (error == 0) {
2893 if (nphy->mphase_cal_phase_id > 2) {
2894 table = nphy->mphase_txcal_bestcoeffs;
2895 length = 11;
2896 if (dev->phy.rev < 3)
2897 length -= 2;
2898 } else {
2899 if (!full && nphy->txiqlocal_coeffsvalid) {
2900 table = nphy->txiqlocal_bestc;
2901 length = 11;
2902 if (dev->phy.rev < 3)
2903 length -= 2;
2904 } else {
2905 full = true;
2906 if (dev->phy.rev >= 3) {
2907 table = tbl_tx_iqlo_cal_startcoefs_nphyrev3;
2908 length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS_REV3;
2909 } else {
2910 table = tbl_tx_iqlo_cal_startcoefs;
2911 length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS;
2912 }
2913 }
2914 }
2915
Rafał Miłecki2581b142010-01-18 00:21:21 +0100[diff] [blame]2916 b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]2917
2918 if (full) {
2919 if (dev->phy.rev >= 3)
2920 max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3;
2921 else
2922 max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL;
2923 } else {
2924 if (dev->phy.rev >= 3)
2925 max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL_REV3;
2926 else
2927 max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL;
2928 }
2929
2930 if (mphase) {
2931 count = nphy->mphase_txcal_cmdidx;
2932 numb = min(max,
2933 (u16)(count + nphy->mphase_txcal_numcmds));
2934 } else {
2935 count = 0;
2936 numb = max;
2937 }
2938
2939 for (; count < numb; count++) {
2940 if (full) {
2941 if (dev->phy.rev >= 3)
2942 cmd = tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[count];
2943 else
2944 cmd = tbl_tx_iqlo_cal_cmds_fullcal[count];
2945 } else {
2946 if (dev->phy.rev >= 3)
2947 cmd = tbl_tx_iqlo_cal_cmds_recal_nphyrev3[count];
2948 else
2949 cmd = tbl_tx_iqlo_cal_cmds_recal[count];
2950 }
2951
2952 core = (cmd & 0x3000) >> 12;
2953 type = (cmd & 0x0F00) >> 8;
2954
2955 if (phy6or5x && updated[core] == 0) {
2956 b43_nphy_update_tx_cal_ladder(dev, core);
2957 updated[core] = 1;
2958 }
2959
2960 tmp = (params[core].ncorr[type] << 8) | 0x66;
2961 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp);
2962
2963 if (type == 1 || type == 3 || type == 4) {
Rafał Miłeckic643a662010-01-18 00:21:27 +0100[diff] [blame]2964 buffer[0] = b43_ntab_read(dev,
2965 B43_NTAB16(15, 69 + core));
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]2966 diq_start = buffer[0];
2967 buffer[0] = 0;
Rafał Miłeckid41a3552010-01-18 00:21:17 +0100[diff] [blame]2968 b43_ntab_write(dev, B43_NTAB16(15, 69 + core),
2969 0);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]2970 }
2971
2972 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMD, cmd);
2973 for (i = 0; i < 2000; i++) {
2974 tmp = b43_phy_read(dev, B43_NPHY_IQLOCAL_CMD);
2975 if (tmp & 0xC000)
2976 break;
2977 udelay(10);
2978 }
2979
Rafał Miłecki91458342010-01-18 00:21:35 +0100[diff] [blame]2980 b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
2981 buffer);
Rafał Miłecki2581b142010-01-18 00:21:21 +0100[diff] [blame]2982 b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length,
2983 buffer);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]2984
2985 if (type == 1 || type == 3 || type == 4)
2986 buffer[0] = diq_start;
2987 }
2988
2989 if (mphase)
2990 nphy->mphase_txcal_cmdidx = (numb >= max) ? 0 : numb;
2991
2992 last = (dev->phy.rev < 3) ? 6 : 7;
2993
2994 if (!mphase || nphy->mphase_cal_phase_id == last) {
Rafał Miłecki2581b142010-01-18 00:21:21 +0100[diff] [blame]2995 b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer);
Rafał Miłecki91458342010-01-18 00:21:35 +0100[diff] [blame]2996 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]2997 if (dev->phy.rev < 3) {
2998 buffer[0] = 0;
2999 buffer[1] = 0;
3000 buffer[2] = 0;
3001 buffer[3] = 0;
3002 }
Rafał Miłecki2581b142010-01-18 00:21:21 +0100[diff] [blame]3003 b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
3004 buffer);
Rafał Miłeckibc53e512010-04-01 23:11:10 +0200[diff] [blame]3005 b43_ntab_read_bulk(dev, B43_NTAB16(15, 101), 2,
Rafał Miłecki2581b142010-01-18 00:21:21 +0100[diff] [blame]3006 buffer);
3007 b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
3008 buffer);
3009 b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
3010 buffer);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]3011 length = 11;
3012 if (dev->phy.rev < 3)
3013 length -= 2;
Rafał Miłecki91458342010-01-18 00:21:35 +0100[diff] [blame]3014 b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
3015 nphy->txiqlocal_bestc);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]3016 nphy->txiqlocal_coeffsvalid = true;
Rafał Miłecki204a6652010-10-14 19:33:34 +0200[diff] [blame]3017 nphy->txiqlocal_chanspec.center_freq =
3018 dev->phy.channel_freq;
3019 nphy->txiqlocal_chanspec.channel_type =
3020 dev->phy.channel_type;
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]3021 } else {
3022 length = 11;
3023 if (dev->phy.rev < 3)
3024 length -= 2;
Rafał Miłecki91458342010-01-18 00:21:35 +0100[diff] [blame]3025 b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
3026 nphy->mphase_txcal_bestcoeffs);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]3027 }
3028
Rafał Miłecki53ae8e82010-01-17 13:03:48 +0100[diff] [blame]3029 b43_nphy_stop_playback(dev);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]3030 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0);
3031 }
3032
Rafał Miłeckie53de672010-01-17 13:03:32 +0100[diff] [blame]3033 b43_nphy_tx_cal_phy_cleanup(dev);
Rafał Miłecki2581b142010-01-18 00:21:21 +0100[diff] [blame]3034 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +0100[diff] [blame]3035
3036 if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id == last))
3037 b43_nphy_tx_iq_workaround(dev);
3038
3039 if (dev->phy.rev >= 4)
3040 nphy->hang_avoid = avoid;
3041
3042 b43_nphy_stay_in_carrier_search(dev, false);
3043
3044 return error;
3045}
3046
Rafał Miłecki984ff4f2010-02-04 12:23:10 +0100[diff] [blame]3047/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */
3048static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
3049{
3050 struct b43_phy_n *nphy = dev->phy.n;
3051 u8 i;
3052 u16 buffer[7];
3053 bool equal = true;
3054
Rafał Miłecki902db912010-02-27 13:03:37 +0100[diff] [blame]3055 if (!nphy->txiqlocal_coeffsvalid ||
Rafał Miłecki204a6652010-10-14 19:33:34 +0200[diff] [blame]3056 nphy->txiqlocal_chanspec.center_freq != dev->phy.channel_freq ||
3057 nphy->txiqlocal_chanspec.channel_type != dev->phy.channel_type)
Rafał Miłecki984ff4f2010-02-04 12:23:10 +0100[diff] [blame]3058 return;
3059
3060 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
3061 for (i = 0; i < 4; i++) {
3062 if (buffer[i] != nphy->txiqlocal_bestc[i]) {
3063 equal = false;
3064 break;
3065 }
3066 }
3067
3068 if (!equal) {
3069 b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4,
3070 nphy->txiqlocal_bestc);
3071 for (i = 0; i < 4; i++)
3072 buffer[i] = 0;
3073 b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
3074 buffer);
3075 b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
3076 &nphy->txiqlocal_bestc[5]);
3077 b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
3078 &nphy->txiqlocal_bestc[5]);
3079 }
3080}
3081
Rafał Miłecki15931e32010-01-15 16:20:56 +0100[diff] [blame]3082/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */
3083static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
3084 struct nphy_txgains target, u8 type, bool debug)
3085{
3086 struct b43_phy_n *nphy = dev->phy.n;
3087 int i, j, index;
3088 u8 rfctl[2];
3089 u8 afectl_core;
3090 u16 tmp[6];
3091 u16 cur_hpf1, cur_hpf2, cur_lna;
3092 u32 real, imag;
3093 enum ieee80211_band band;
3094
3095 u8 use;
3096 u16 cur_hpf;
3097 u16 lna[3] = { 3, 3, 1 };
3098 u16 hpf1[3] = { 7, 2, 0 };
3099 u16 hpf2[3] = { 2, 0, 0 };
Rafał Miłeckide9a47f2010-01-18 00:21:49 +0100[diff] [blame]3100 u32 power[3] = { };
Rafał Miłecki15931e32010-01-15 16:20:56 +0100[diff] [blame]3101 u16 gain_save[2];
3102 u16 cal_gain[2];
3103 struct nphy_iqcal_params cal_params[2];
3104 struct nphy_iq_est est;
3105 int ret = 0;
3106 bool playtone = true;
3107 int desired = 13;
3108
3109 b43_nphy_stay_in_carrier_search(dev, 1);
3110
3111 if (dev->phy.rev < 2)
Rafał Miłecki984ff4f2010-02-04 12:23:10 +0100[diff] [blame]3112 b43_nphy_reapply_tx_cal_coeffs(dev);
Rafał Miłecki91458342010-01-18 00:21:35 +0100[diff] [blame]3113 b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
Rafał Miłecki15931e32010-01-15 16:20:56 +0100[diff] [blame]3114 for (i = 0; i < 2; i++) {
3115 b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]);
3116 cal_gain[i] = cal_params[i].cal_gain;
3117 }
Rafał Miłecki2581b142010-01-18 00:21:21 +0100[diff] [blame]3118 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain);
Rafał Miłecki15931e32010-01-15 16:20:56 +0100[diff] [blame]3119
3120 for (i = 0; i < 2; i++) {
3121 if (i == 0) {
3122 rfctl[0] = B43_NPHY_RFCTL_INTC1;
3123 rfctl[1] = B43_NPHY_RFCTL_INTC2;
3124 afectl_core = B43_NPHY_AFECTL_C1;
3125 } else {
3126 rfctl[0] = B43_NPHY_RFCTL_INTC2;
3127 rfctl[1] = B43_NPHY_RFCTL_INTC1;
3128 afectl_core = B43_NPHY_AFECTL_C2;
3129 }
3130
3131 tmp[1] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
3132 tmp[2] = b43_phy_read(dev, afectl_core);
3133 tmp[3] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
3134 tmp[4] = b43_phy_read(dev, rfctl[0]);
3135 tmp[5] = b43_phy_read(dev, rfctl[1]);
3136
3137 b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
Larry Fingeracd82aa2010-07-21 11:48:05 -0500[diff] [blame]3138 ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
Rafał Miłecki15931e32010-01-15 16:20:56 +0100[diff] [blame]3139 ((1 - i) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
3140 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
3141 (1 - i));
3142 b43_phy_set(dev, afectl_core, 0x0006);
3143 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0006);
3144
3145 band = b43_current_band(dev->wl);
3146
3147 if (nphy->rxcalparams & 0xFF000000) {
3148 if (band == IEEE80211_BAND_5GHZ)
3149 b43_phy_write(dev, rfctl[0], 0x140);
3150 else
3151 b43_phy_write(dev, rfctl[0], 0x110);
3152 } else {
3153 if (band == IEEE80211_BAND_5GHZ)
3154 b43_phy_write(dev, rfctl[0], 0x180);
3155 else
3156 b43_phy_write(dev, rfctl[0], 0x120);
3157 }
3158
3159 if (band == IEEE80211_BAND_5GHZ)
3160 b43_phy_write(dev, rfctl[1], 0x148);
3161 else
3162 b43_phy_write(dev, rfctl[1], 0x114);
3163
3164 if (nphy->rxcalparams & 0x10000) {
3165 b43_radio_maskset(dev, B2055_C1_GENSPARE2, 0xFC,
3166 (i + 1));
3167 b43_radio_maskset(dev, B2055_C2_GENSPARE2, 0xFC,
3168 (2 - i));
3169 }
3170
Rafał Miłecki30115c22010-10-22 17:43:45 +0200[diff] [blame]3171 for (j = 0; j < 4; j++) {
Rafał Miłecki15931e32010-01-15 16:20:56 +0100[diff] [blame]3172 if (j < 3) {
3173 cur_lna = lna[j];
3174 cur_hpf1 = hpf1[j];
3175 cur_hpf2 = hpf2[j];
3176 } else {
3177 if (power[1] > 10000) {
3178 use = 1;
3179 cur_hpf = cur_hpf1;
3180 index = 2;
3181 } else {
3182 if (power[0] > 10000) {
3183 use = 1;
3184 cur_hpf = cur_hpf1;
3185 index = 1;
3186 } else {
3187 index = 0;
3188 use = 2;
3189 cur_hpf = cur_hpf2;
3190 }
3191 }
3192 cur_lna = lna[index];
3193 cur_hpf1 = hpf1[index];
3194 cur_hpf2 = hpf2[index];
3195 cur_hpf += desired - hweight32(power[index]);
3196 cur_hpf = clamp_val(cur_hpf, 0, 10);
3197 if (use == 1)
3198 cur_hpf1 = cur_hpf;
3199 else
3200 cur_hpf2 = cur_hpf;
3201 }
3202
3203 tmp[0] = ((cur_hpf2 << 8) | (cur_hpf1 << 4) |
3204 (cur_lna << 2));
Rafał Miłecki75377b22010-01-22 01:53:13 +0100[diff] [blame]3205 b43_nphy_rf_control_override(dev, 0x400, tmp[0], 3,
3206 false);
Rafał Miłeckide9a47f2010-01-18 00:21:49 +0100[diff] [blame]3207 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
Rafał Miłecki53ae8e82010-01-17 13:03:48 +0100[diff] [blame]3208 b43_nphy_stop_playback(dev);
Rafał Miłecki15931e32010-01-15 16:20:56 +0100[diff] [blame]3209
3210 if (playtone) {
Rafał Miłecki59af0992010-01-22 01:53:16 +0100[diff] [blame]3211 ret = b43_nphy_tx_tone(dev, 4000,
3212 (nphy->rxcalparams & 0xFFFF),
3213 false, false);
Rafał Miłecki15931e32010-01-15 16:20:56 +0100[diff] [blame]3214 playtone = false;
3215 } else {
Rafał Miłecki10a79872010-01-22 01:53:14 +0100[diff] [blame]3216 b43_nphy_run_samples(dev, 160, 0xFFFF, 0,
3217 false, false);
Rafał Miłecki15931e32010-01-15 16:20:56 +0100[diff] [blame]3218 }
3219
3220 if (ret == 0) {
3221 if (j < 3) {
3222 b43_nphy_rx_iq_est(dev, &est, 1024, 32,
3223 false);
3224 if (i == 0) {
3225 real = est.i0_pwr;
3226 imag = est.q0_pwr;
3227 } else {
3228 real = est.i1_pwr;
3229 imag = est.q1_pwr;
3230 }
3231 power[i] = ((real + imag) / 1024) + 1;
3232 } else {
3233 b43_nphy_calc_rx_iq_comp(dev, 1 << i);
3234 }
Rafał Miłecki53ae8e82010-01-17 13:03:48 +0100[diff] [blame]3235 b43_nphy_stop_playback(dev);
Rafał Miłecki15931e32010-01-15 16:20:56 +0100[diff] [blame]3236 }
3237
3238 if (ret != 0)
3239 break;
3240 }
3241
3242 b43_radio_mask(dev, B2055_C1_GENSPARE2, 0xFC);
3243 b43_radio_mask(dev, B2055_C2_GENSPARE2, 0xFC);
3244 b43_phy_write(dev, rfctl[1], tmp[5]);
3245 b43_phy_write(dev, rfctl[0], tmp[4]);
3246 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp[3]);
3247 b43_phy_write(dev, afectl_core, tmp[2]);
3248 b43_phy_write(dev, B43_NPHY_RFSEQCA, tmp[1]);
3249
3250 if (ret != 0)
3251 break;
3252 }
3253
Rafał Miłecki75377b22010-01-22 01:53:13 +0100[diff] [blame]3254 b43_nphy_rf_control_override(dev, 0x400, 0, 3, true);
Rafał Miłecki67c0d6e2010-01-17 13:04:02 +0100[diff] [blame]3255 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
Rafał Miłecki2581b142010-01-18 00:21:21 +0100[diff] [blame]3256 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
Rafał Miłecki15931e32010-01-15 16:20:56 +0100[diff] [blame]3257
3258 b43_nphy_stay_in_carrier_search(dev, 0);
3259
3260 return ret;
3261}
3262
3263static int b43_nphy_rev3_cal_rx_iq(struct b43_wldev *dev,
3264 struct nphy_txgains target, u8 type, bool debug)
3265{
3266 return -1;
3267}
3268
3269/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIq */
3270static int b43_nphy_cal_rx_iq(struct b43_wldev *dev,
3271 struct nphy_txgains target, u8 type, bool debug)
3272{
3273 if (dev->phy.rev >= 3)
3274 return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug);
3275 else
3276 return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug);
3277}
3278
Gábor Stefanikd2730b22010-08-16 22:39:16 +0200[diff] [blame]3279/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MacPhyClkSet */
3280static void b43_nphy_mac_phy_clock_set(struct b43_wldev *dev, bool on)
3281{
3282 u32 tmslow = ssb_read32(dev->dev, SSB_TMSLOW);
3283 if (on)
3284 tmslow |= SSB_TMSLOW_PHYCLK;
3285 else
3286 tmslow &= ~SSB_TMSLOW_PHYCLK;
3287 ssb_write32(dev->dev, SSB_TMSLOW, tmslow);
3288}
3289
Gábor Stefanik4e687b22010-08-16 22:39:17 +0200[diff] [blame]3290/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreSetState */
3291static void b43_nphy_set_rx_core_state(struct b43_wldev *dev, u8 mask)
3292{
3293 struct b43_phy *phy = &dev->phy;
3294 struct b43_phy_n *nphy = phy->n;
Rafał Miłecki0b81c232010-11-18 21:11:43 +0100[diff] [blame]3295 /* u16 buf[16]; it's rev3+ */
Gábor Stefanik4e687b22010-08-16 22:39:17 +0200[diff] [blame]3296
Rafał Miłecki049fbfe2010-08-22 21:47:32 +0200[diff] [blame]3297 nphy->phyrxchain = mask;
3298
Gábor Stefanik4e687b22010-08-16 22:39:17 +0200[diff] [blame]3299 if (0 /* FIXME clk */)
3300 return;
3301
3302 b43_mac_suspend(dev);
3303
3304 if (nphy->hang_avoid)
3305 b43_nphy_stay_in_carrier_search(dev, true);
3306
3307 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
3308 (mask & 0x3) << B43_NPHY_RFSEQCA_RXEN_SHIFT);
3309
Rafał Miłecki049fbfe2010-08-22 21:47:32 +0200[diff] [blame]3310 if ((mask & 0x3) != 0x3) {
Gábor Stefanik4e687b22010-08-16 22:39:17 +0200[diff] [blame]3311 b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 1);
3312 if (dev->phy.rev >= 3) {
3313 /* TODO */
3314 }
3315 } else {
3316 b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 0x1E);
3317 if (dev->phy.rev >= 3) {
3318 /* TODO */
3319 }
3320 }
3321
3322 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
3323
3324 if (nphy->hang_avoid)
3325 b43_nphy_stay_in_carrier_search(dev, false);
3326
3327 b43_mac_enable(dev);
3328}
3329
Rafał Miłecki42e15472010-01-15 15:06:47 +0100[diff] [blame]3330/*
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3331 * Init N-PHY
3332 * http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N
3333 */
Michael Buesch424047e2008-01-09 16:13:56 +0100[diff] [blame]3334int b43_phy_initn(struct b43_wldev *dev)
3335{
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3336 struct ssb_bus *bus = dev->dev->bus;
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]3337 struct b43_phy *phy = &dev->phy;
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3338 struct b43_phy_n *nphy = phy->n;
3339 u8 tx_pwr_state;
3340 struct nphy_txgains target;
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]3341 u16 tmp;
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3342 enum ieee80211_band tmp2;
3343 bool do_rssi_cal;
Michael Buesch424047e2008-01-09 16:13:56 +0100[diff] [blame]3344
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3345 u16 clip[2];
3346 bool do_cal = false;
3347
3348 if ((dev->phy.rev >= 3) &&
3349 (bus->sprom.boardflags_lo & B43_BFL_EXTLNA) &&
3350 (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) {
3351 chipco_set32(&dev->dev->bus->chipco, SSB_CHIPCO_CHIPCTL, 0x40);
3352 }
3353 nphy->deaf_count = 0;
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]3354 b43_nphy_tables_init(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3355 nphy->crsminpwr_adjusted = false;
3356 nphy->noisevars_adjusted = false;
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]3357
3358 /* Clear all overrides */
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3359 if (dev->phy.rev >= 3) {
3360 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0);
3361 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
3362 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0);
3363 b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0);
3364 } else {
3365 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
3366 }
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]3367 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0);
3368 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3369 if (dev->phy.rev < 6) {
3370 b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0);
3371 b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0);
3372 }
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]3373 b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
3374 ~(B43_NPHY_RFSEQMODE_CAOVER |
3375 B43_NPHY_RFSEQMODE_TROVER));
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3376 if (dev->phy.rev >= 3)
3377 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0);
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]3378 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0);
3379
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3380 if (dev->phy.rev <= 2) {
3381 tmp = (dev->phy.rev == 2) ? 0x3B : 0x40;
3382 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
3383 ~B43_NPHY_BPHY_CTL3_SCALE,
3384 tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT);
3385 }
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]3386 b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20);
3387 b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20);
3388
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3389 if (bus->sprom.boardflags2_lo & 0x100 ||
3390 (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE &&
3391 bus->boardinfo.type == 0x8B))
3392 b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0);
3393 else
3394 b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8);
3395 b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8);
3396 b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50);
3397 b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30);
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]3398
Rafał Miłeckiad9716e2010-01-17 13:03:40 +0100[diff] [blame]3399 b43_nphy_update_mimo_config(dev, nphy->preamble_override);
Rafał Miłecki4f4ab6c2010-01-17 13:03:55 +0100[diff] [blame]3400 b43_nphy_update_txrx_chain(dev);
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]3401
3402 if (phy->rev < 2) {
3403 b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8);
3404 b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4);
3405 }
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]3406
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3407 tmp2 = b43_current_band(dev->wl);
3408 if ((nphy->ipa2g_on && tmp2 == IEEE80211_BAND_2GHZ) ||
3409 (nphy->ipa5g_on && tmp2 == IEEE80211_BAND_5GHZ)) {
3410 b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1);
3411 b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F,
3412 nphy->papd_epsilon_offset[0] << 7);
3413 b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1);
3414 b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F,
3415 nphy->papd_epsilon_offset[1] << 7);
Rafał Miłecki45ca6972010-01-22 01:53:15 +0100[diff] [blame]3416 b43_nphy_int_pa_set_tx_dig_filters(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3417 } else if (phy->rev >= 5) {
Rafał Miłecki45ca6972010-01-22 01:53:15 +0100[diff] [blame]3418 b43_nphy_ext_pa_set_tx_dig_filters(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3419 }
3420
3421 b43_nphy_workarounds(dev);
3422
3423 /* Reset CCA, in init code it differs a little from standard way */
Rafał Miłecki730dd702010-01-15 16:38:07 +0100[diff] [blame]3424 b43_nphy_bmac_clock_fgc(dev, 1);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3425 tmp = b43_phy_read(dev, B43_NPHY_BBCFG);
3426 b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA);
3427 b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA);
Rafał Miłecki730dd702010-01-15 16:38:07 +0100[diff] [blame]3428 b43_nphy_bmac_clock_fgc(dev, 0);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3429
Gábor Stefanikd2730b22010-08-16 22:39:16 +0200[diff] [blame]3430 b43_nphy_mac_phy_clock_set(dev, true);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3431
Rafał Miłeckie50cbcf2010-01-15 15:02:38 +0100[diff] [blame]3432 b43_nphy_pa_override(dev, false);
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]3433 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
3434 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
Rafał Miłeckie50cbcf2010-01-15 15:02:38 +0100[diff] [blame]3435 b43_nphy_pa_override(dev, true);
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]3436
Rafał Miłeckibbec3982010-01-15 14:31:39 +0100[diff] [blame]3437 b43_nphy_classifier(dev, 0, 0);
3438 b43_nphy_read_clip_detection(dev, clip);
Rafał Miłeckibec18642010-11-18 13:28:00 +0100[diff] [blame]3439 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
3440 b43_nphy_bphy_init(dev);
3441
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3442 tx_pwr_state = nphy->txpwrctrl;
Rafał Miłecki161d5402010-11-28 12:59:43 +0100[diff] [blame]3443 b43_nphy_tx_power_ctrl(dev, false);
3444 b43_nphy_tx_power_fix(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3445 /* TODO N PHY TX Power Control Idle TSSI */
3446 /* TODO N PHY TX Power Control Setup */
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]3447
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3448 if (phy->rev >= 3) {
3449 /* TODO */
3450 } else {
Rafał Miłecki2581b142010-01-18 00:21:21 +0100[diff] [blame]3451 b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128,
3452 b43_ntab_tx_gain_rev0_1_2);
3453 b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128,
3454 b43_ntab_tx_gain_rev0_1_2);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3455 }
3456
3457 if (nphy->phyrxchain != 3)
Gábor Stefanik4e687b22010-08-16 22:39:17 +0200[diff] [blame]3458 b43_nphy_set_rx_core_state(dev, nphy->phyrxchain);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3459 if (nphy->mphase_cal_phase_id > 0)
3460 ;/* TODO PHY Periodic Calibration Multi-Phase Restart */
3461
3462 do_rssi_cal = false;
3463 if (phy->rev >= 3) {
3464 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
Rafał Miłecki204a6652010-10-14 19:33:34 +0200[diff] [blame]3465 do_rssi_cal = !nphy->rssical_chanspec_2G.center_freq;
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3466 else
Rafał Miłecki204a6652010-10-14 19:33:34 +0200[diff] [blame]3467 do_rssi_cal = !nphy->rssical_chanspec_5G.center_freq;
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3468
3469 if (do_rssi_cal)
Rafał Miłecki4cb99772010-01-15 13:40:58 +0100[diff] [blame]3470 b43_nphy_rssi_cal(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3471 else
Rafał Miłecki42e15472010-01-15 15:06:47 +0100[diff] [blame]3472 b43_nphy_restore_rssi_cal(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3473 } else {
Rafał Miłecki4cb99772010-01-15 13:40:58 +0100[diff] [blame]3474 b43_nphy_rssi_cal(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3475 }
3476
3477 if (!((nphy->measure_hold & 0x6) != 0)) {
3478 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
Rafał Miłecki204a6652010-10-14 19:33:34 +0200[diff] [blame]3479 do_cal = !nphy->iqcal_chanspec_2G.center_freq;
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3480 else
Rafał Miłecki204a6652010-10-14 19:33:34 +0200[diff] [blame]3481 do_cal = !nphy->iqcal_chanspec_5G.center_freq;
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3482
3483 if (nphy->mute)
3484 do_cal = false;
3485
3486 if (do_cal) {
Rafał Miłeckib0022e12010-01-15 15:40:50 +0100[diff] [blame]3487 target = b43_nphy_get_tx_gains(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3488
3489 if (nphy->antsel_type == 2)
Rafał Miłecki8987a9e2010-02-27 13:03:33 +0100[diff] [blame]3490 b43_nphy_superswitch_init(dev, true);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3491 if (nphy->perical != 2) {
Rafał Miłecki90b97382010-01-15 14:48:21 +0100[diff] [blame]3492 b43_nphy_rssi_cal(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3493 if (phy->rev >= 3) {
3494 nphy->cal_orig_pwr_idx[0] =
3495 nphy->txpwrindex[0].index_internal;
3496 nphy->cal_orig_pwr_idx[1] =
3497 nphy->txpwrindex[1].index_internal;
3498 /* TODO N PHY Pre Calibrate TX Gain */
Rafał Miłeckib0022e12010-01-15 15:40:50 +0100[diff] [blame]3499 target = b43_nphy_get_tx_gains(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3500 }
Rafał Miłeckie7797bf2010-11-30 22:33:16 +0100[diff] [blame^]3501 if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false))
3502 if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
3503 b43_nphy_save_cal(dev);
3504 } else if (nphy->mphase_cal_phase_id == 0)
3505 ;/* N PHY Periodic Calibration with arg 3 */
3506 } else {
3507 b43_nphy_restore_cal(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3508 }
3509 }
3510
Rafał Miłecki6dcd9d92010-01-15 16:24:57 +0100[diff] [blame]3511 b43_nphy_tx_pwr_ctrl_coef_setup(dev);
Rafał Miłecki161d5402010-11-28 12:59:43 +0100[diff] [blame]3512 b43_nphy_tx_power_ctrl(dev, tx_pwr_state);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +0100[diff] [blame]3513 b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015);
3514 b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
3515 if (phy->rev >= 3 && phy->rev <= 6)
3516 b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0014);
Rafał Miłeckife3e46e2010-01-15 15:51:55 +0100[diff] [blame]3517 b43_nphy_tx_lp_fbw(dev);
Rafał Miłecki9442e5b2010-02-04 12:23:12 +0100[diff] [blame]3518 if (phy->rev >= 3)
3519 b43_nphy_spur_workaround(dev);
Michael Buesch95b66ba2008-01-18 01:09:25 +0100[diff] [blame]3520
3521 b43err(dev->wl, "IEEE 802.11n devices are not supported, yet.\n");
Michael Buesch53a6e232008-01-13 21:23:44 +0100[diff] [blame]3522 return 0;
Michael Buesch424047e2008-01-09 16:13:56 +0100[diff] [blame]3523}
Michael Bueschef1a6282008-08-27 18:53:02 +0200[diff] [blame]3524
Rafał Miłecki1b69ec72010-02-27 13:03:40 +0100[diff] [blame]3525/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */
Rafał Miłeckia656b6a2010-10-11 03:11:01 +0200[diff] [blame]3526static void b43_nphy_channel_setup(struct b43_wldev *dev,
Rafał Miłeckib15b3032010-03-29 00:53:13 +0200[diff] [blame]3527 const struct b43_phy_n_sfo_cfg *e,
Rafał Miłeckia656b6a2010-10-11 03:11:01 +0200[diff] [blame]3528 struct ieee80211_channel *new_channel)
Rafał Miłecki1b69ec72010-02-27 13:03:40 +0100[diff] [blame]3529{
3530 struct b43_phy *phy = &dev->phy;
3531 struct b43_phy_n *nphy = dev->phy.n;
3532
Rafał Miłecki087de742010-10-11 03:11:03 +0200[diff] [blame]3533 u16 old_band_5ghz;
Rafał Miłecki1b69ec72010-02-27 13:03:40 +0100[diff] [blame]3534 u32 tmp32;
3535
Rafał Miłecki087de742010-10-11 03:11:03 +0200[diff] [blame]3536 old_band_5ghz =
3537 b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
3538 if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
Rafał Miłecki1b69ec72010-02-27 13:03:40 +0100[diff] [blame]3539 tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
3540 b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
3541 b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
3542 b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
3543 b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
Rafał Miłecki087de742010-10-11 03:11:03 +0200[diff] [blame]3544 } else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
Rafał Miłecki1b69ec72010-02-27 13:03:40 +0100[diff] [blame]3545 b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
3546 tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
3547 b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
Larry Fingeracd82aa2010-07-21 11:48:05 -0500[diff] [blame]3548 b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF);
Rafał Miłecki1b69ec72010-02-27 13:03:40 +0100[diff] [blame]3549 b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
3550 }
3551
3552 b43_chantab_phy_upload(dev, e);
3553
Rafał Miłeckia656b6a2010-10-11 03:11:01 +0200[diff] [blame]3554 if (new_channel->hw_value == 14) {
Rafał Miłecki1b69ec72010-02-27 13:03:40 +0100[diff] [blame]3555 b43_nphy_classifier(dev, 2, 0);
3556 b43_phy_set(dev, B43_PHY_B_TEST, 0x0800);
3557 } else {
3558 b43_nphy_classifier(dev, 2, 2);
Rafał Miłeckia656b6a2010-10-11 03:11:01 +0200[diff] [blame]3559 if (new_channel->band == IEEE80211_BAND_2GHZ)
Rafał Miłecki1b69ec72010-02-27 13:03:40 +0100[diff] [blame]3560 b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
3561 }
3562
Rafał Miłecki161d5402010-11-28 12:59:43 +0100[diff] [blame]3563 if (!nphy->txpwrctrl)
Rafał Miłecki1b69ec72010-02-27 13:03:40 +0100[diff] [blame]3564 b43_nphy_tx_power_fix(dev);
3565
3566 if (dev->phy.rev < 3)
3567 b43_nphy_adjust_lna_gain_table(dev);
3568
3569 b43_nphy_tx_lp_fbw(dev);
3570
3571 if (dev->phy.rev >= 3 && 0) {
3572 /* TODO */
3573 }
3574
3575 b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830);
3576
3577 if (phy->rev >= 3)
3578 b43_nphy_spur_workaround(dev);
3579}
3580
Rafał Miłeckieff66c52010-02-27 13:03:41 +0100[diff] [blame]3581/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */
Rafał Miłeckia656b6a2010-10-11 03:11:01 +0200[diff] [blame]3582static int b43_nphy_set_channel(struct b43_wldev *dev,
3583 struct ieee80211_channel *channel,
3584 enum nl80211_channel_type channel_type)
Rafał Miłeckieff66c52010-02-27 13:03:41 +0100[diff] [blame]3585{
Rafał Miłeckia656b6a2010-10-11 03:11:01 +0200[diff] [blame]3586 struct b43_phy *phy = &dev->phy;
Rafał Miłeckieff66c52010-02-27 13:03:41 +0100[diff] [blame]3587
Rafał Miłeckif19ebe72010-03-29 00:53:15 +0200[diff] [blame]3588 const struct b43_nphy_channeltab_entry_rev2 *tabent_r2;
3589 const struct b43_nphy_channeltab_entry_rev3 *tabent_r3;
Rafał Miłeckieff66c52010-02-27 13:03:41 +0100[diff] [blame]3590
3591 u8 tmp;
Rafał Miłeckieff66c52010-02-27 13:03:41 +0100[diff] [blame]3592
3593 if (dev->phy.rev >= 3) {
Rafał Miłeckif2a6d6a2010-10-11 03:19:22 +0200[diff] [blame]3594 tabent_r3 = b43_nphy_get_chantabent_rev3(dev,
3595 channel->center_freq);
Rafał Miłeckif19ebe72010-03-29 00:53:15 +0200[diff] [blame]3596 tabent_r3 = NULL;
3597 if (!tabent_r3)
3598 return -ESRCH;
Rafał Miłeckiffd2d9b2010-03-29 00:53:14 +0200[diff] [blame]3599 } else {
Rafał Miłeckia656b6a2010-10-11 03:11:01 +0200[diff] [blame]3600 tabent_r2 = b43_nphy_get_chantabent_rev2(dev,
3601 channel->hw_value);
Rafał Miłeckif19ebe72010-03-29 00:53:15 +0200[diff] [blame]3602 if (!tabent_r2)
Rafał Miłeckiffd2d9b2010-03-29 00:53:14 +0200[diff] [blame]3603 return -ESRCH;
Rafał Miłeckieff66c52010-02-27 13:03:41 +0100[diff] [blame]3604 }
3605
Rafał Miłecki204a6652010-10-14 19:33:34 +0200[diff] [blame]3606 /* Channel is set later in common code, but we need to set it on our
3607 own to let this function's subcalls work properly. */
3608 phy->channel = channel->hw_value;
3609 phy->channel_freq = channel->center_freq;
Rafał Miłeckieff66c52010-02-27 13:03:41 +0100[diff] [blame]3610
Rafał Miłeckie5c407f2010-10-11 03:11:02 +0200[diff] [blame]3611 if (b43_channel_type_is_40mhz(phy->channel_type) !=
3612 b43_channel_type_is_40mhz(channel_type))
3613 ; /* TODO: BMAC BW Set (channel_type) */
Rafał Miłeckieff66c52010-02-27 13:03:41 +0100[diff] [blame]3614
Rafał Miłeckia656b6a2010-10-11 03:11:01 +0200[diff] [blame]3615 if (channel_type == NL80211_CHAN_HT40PLUS)
3616 b43_phy_set(dev, B43_NPHY_RXCTL,
3617 B43_NPHY_RXCTL_BSELU20);
3618 else if (channel_type == NL80211_CHAN_HT40MINUS)
3619 b43_phy_mask(dev, B43_NPHY_RXCTL,
3620 ~B43_NPHY_RXCTL_BSELU20);
Rafał Miłeckieff66c52010-02-27 13:03:41 +0100[diff] [blame]3621
3622 if (dev->phy.rev >= 3) {
Rafał Miłeckia656b6a2010-10-11 03:11:01 +0200[diff] [blame]3623 tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 4 : 0;
Rafał Miłeckieff66c52010-02-27 13:03:41 +0100[diff] [blame]3624 b43_radio_maskset(dev, 0x08, 0xFFFB, tmp);
Rafał Miłeckif19ebe72010-03-29 00:53:15 +0200[diff] [blame]3625 /* TODO: PHY Radio2056 Setup (dev, tabent_r3); */
Rafał Miłeckia656b6a2010-10-11 03:11:01 +0200[diff] [blame]3626 b43_nphy_channel_setup(dev, &(tabent_r3->phy_regs), channel);
Rafał Miłeckieff66c52010-02-27 13:03:41 +0100[diff] [blame]3627 } else {
Rafał Miłeckia656b6a2010-10-11 03:11:01 +0200[diff] [blame]3628 tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 0x0020 : 0x0050;
Rafał Miłeckieff66c52010-02-27 13:03:41 +0100[diff] [blame]3629 b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp);
Rafał Miłeckif19ebe72010-03-29 00:53:15 +0200[diff] [blame]3630 b43_radio_2055_setup(dev, tabent_r2);
Rafał Miłeckia656b6a2010-10-11 03:11:01 +0200[diff] [blame]3631 b43_nphy_channel_setup(dev, &(tabent_r2->phy_regs), channel);
Rafał Miłeckieff66c52010-02-27 13:03:41 +0100[diff] [blame]3632 }
3633
3634 return 0;
3635}
3636
Michael Bueschef1a6282008-08-27 18:53:02 +0200[diff] [blame]3637static int b43_nphy_op_allocate(struct b43_wldev *dev)
3638{
3639 struct b43_phy_n *nphy;
3640
3641 nphy = kzalloc(sizeof(*nphy), GFP_KERNEL);
3642 if (!nphy)
3643 return -ENOMEM;
3644 dev->phy.n = nphy;
3645
Michael Bueschef1a6282008-08-27 18:53:02 +0200[diff] [blame]3646 return 0;
3647}
3648
Michael Bueschfb111372008-09-02 13:00:34 +0200[diff] [blame]3649static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
3650{
3651 struct b43_phy *phy = &dev->phy;
3652 struct b43_phy_n *nphy = phy->n;
3653
3654 memset(nphy, 0, sizeof(*nphy));
3655
Rafał Miłecki0b81c232010-11-18 21:11:43 +0100[diff] [blame]3656 nphy->gain_boost = true; /* this way we follow wl, assume it is true */
3657 nphy->txrx_chain = 2; /* sth different than 0 and 1 for now */
3658 nphy->phyrxchain = 3; /* to avoid b43_nphy_set_rx_core_state like wl */
Rafał Miłecki8c1d5a72010-11-28 12:59:44 +0100[diff] [blame]3659 nphy->perical = 2; /* avoid additional rssi cal on init (like wl) */
Michael Bueschfb111372008-09-02 13:00:34 +0200[diff] [blame]3660}
3661
3662static void b43_nphy_op_free(struct b43_wldev *dev)
3663{
3664 struct b43_phy *phy = &dev->phy;
3665 struct b43_phy_n *nphy = phy->n;
3666
3667 kfree(nphy);
3668 phy->n = NULL;
3669}
3670
Michael Bueschef1a6282008-08-27 18:53:02 +0200[diff] [blame]3671static int b43_nphy_op_init(struct b43_wldev *dev)
3672{
Michael Bueschfb111372008-09-02 13:00:34 +0200[diff] [blame]3673 return b43_phy_initn(dev);
Michael Bueschef1a6282008-08-27 18:53:02 +0200[diff] [blame]3674}
3675
3676static inline void check_phyreg(struct b43_wldev *dev, u16 offset)
3677{
3678#if B43_DEBUG
3679 if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
3680 /* OFDM registers are onnly available on A/G-PHYs */
3681 b43err(dev->wl, "Invalid OFDM PHY access at "
3682 "0x%04X on N-PHY\n", offset);
3683 dump_stack();
3684 }
3685 if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
3686 /* Ext-G registers are only available on G-PHYs */
3687 b43err(dev->wl, "Invalid EXT-G PHY access at "
3688 "0x%04X on N-PHY\n", offset);
3689 dump_stack();
3690 }
3691#endif /* B43_DEBUG */
3692}
3693
3694static u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg)
3695{
3696 check_phyreg(dev, reg);
3697 b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
3698 return b43_read16(dev, B43_MMIO_PHY_DATA);
3699}
3700
3701static void b43_nphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
3702{
3703 check_phyreg(dev, reg);
3704 b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
3705 b43_write16(dev, B43_MMIO_PHY_DATA, value);
3706}
3707
3708static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg)
3709{
3710 /* Register 1 is a 32-bit register. */
3711 B43_WARN_ON(reg == 1);
3712 /* N-PHY needs 0x100 for read access */
3713 reg |= 0x100;
3714
3715 b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
3716 return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
3717}
3718
3719static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
3720{
3721 /* Register 1 is a 32-bit register. */
3722 B43_WARN_ON(reg == 1);
3723
3724 b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
3725 b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
3726}
3727
Rafał Miłeckic2b7aef2010-02-27 13:03:34 +0100[diff] [blame]3728/* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
Michael Bueschef1a6282008-08-27 18:53:02 +0200[diff] [blame]3729static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
Johannes Berg19d337d2009-06-02 13:01:37 +0200[diff] [blame]3730 bool blocked)
Rafał Miłeckic2b7aef2010-02-27 13:03:34 +0100[diff] [blame]3731{
3732 if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
3733 b43err(dev->wl, "MAC not suspended\n");
3734
3735 if (blocked) {
3736 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
3737 ~B43_NPHY_RFCTL_CMD_CHIP0PU);
3738 if (dev->phy.rev >= 3) {
3739 b43_radio_mask(dev, 0x09, ~0x2);
3740
3741 b43_radio_write(dev, 0x204D, 0);
3742 b43_radio_write(dev, 0x2053, 0);
3743 b43_radio_write(dev, 0x2058, 0);
3744 b43_radio_write(dev, 0x205E, 0);
3745 b43_radio_mask(dev, 0x2062, ~0xF0);
3746 b43_radio_write(dev, 0x2064, 0);
3747
3748 b43_radio_write(dev, 0x304D, 0);
3749 b43_radio_write(dev, 0x3053, 0);
3750 b43_radio_write(dev, 0x3058, 0);
3751 b43_radio_write(dev, 0x305E, 0);
3752 b43_radio_mask(dev, 0x3062, ~0xF0);
3753 b43_radio_write(dev, 0x3064, 0);
3754 }
3755 } else {
3756 if (dev->phy.rev >= 3) {
Rafał Miłeckid817f4e2010-03-29 00:53:12 +0200[diff] [blame]3757 b43_radio_init2056(dev);
Rafał Miłecki78159782010-10-06 07:50:08 +0200[diff] [blame]3758 b43_switch_channel(dev, dev->phy.channel);
Rafał Miłeckic2b7aef2010-02-27 13:03:34 +0100[diff] [blame]3759 } else {
3760 b43_radio_init2055(dev);
3761 }
3762 }
Michael Bueschef1a6282008-08-27 18:53:02 +0200[diff] [blame]3763}
3764
Michael Bueschcb24f572008-09-03 12:12:20 +0200[diff] [blame]3765static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
3766{
3767 b43_phy_write(dev, B43_NPHY_AFECTL_OVER,
3768 on ? 0 : 0x7FFF);
3769}
3770
Michael Bueschef1a6282008-08-27 18:53:02 +0200[diff] [blame]3771static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
3772 unsigned int new_channel)
3773{
Rafał Miłeckia656b6a2010-10-11 03:11:01 +0200[diff] [blame]3774 struct ieee80211_channel *channel = dev->wl->hw->conf.channel;
3775 enum nl80211_channel_type channel_type = dev->wl->hw->conf.channel_type;
Rafał Miłecki5e7ee092010-10-06 07:50:06 +0200[diff] [blame]3776
Michael Bueschef1a6282008-08-27 18:53:02 +0200[diff] [blame]3777 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3778 if ((new_channel < 1) || (new_channel > 14))
3779 return -EINVAL;
3780 } else {
3781 if (new_channel > 200)
3782 return -EINVAL;
3783 }
3784
Rafał Miłeckia656b6a2010-10-11 03:11:01 +0200[diff] [blame]3785 return b43_nphy_set_channel(dev, channel, channel_type);
Michael Bueschef1a6282008-08-27 18:53:02 +0200[diff] [blame]3786}
3787
3788static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev)
3789{
3790 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
3791 return 1;
3792 return 36;
3793}
3794
Michael Bueschef1a6282008-08-27 18:53:02 +0200[diff] [blame]3795const struct b43_phy_operations b43_phyops_n = {
3796 .allocate = b43_nphy_op_allocate,
Michael Bueschfb111372008-09-02 13:00:34 +0200[diff] [blame]3797 .free = b43_nphy_op_free,
3798 .prepare_structs = b43_nphy_op_prepare_structs,
Michael Bueschef1a6282008-08-27 18:53:02 +0200[diff] [blame]3799 .init = b43_nphy_op_init,
Michael Bueschef1a6282008-08-27 18:53:02 +0200[diff] [blame]3800 .phy_read = b43_nphy_op_read,
3801 .phy_write = b43_nphy_op_write,
3802 .radio_read = b43_nphy_op_radio_read,
3803 .radio_write = b43_nphy_op_radio_write,
3804 .software_rfkill = b43_nphy_op_software_rfkill,
Michael Bueschcb24f572008-09-03 12:12:20 +0200[diff] [blame]3805 .switch_analog = b43_nphy_op_switch_analog,
Michael Bueschef1a6282008-08-27 18:53:02 +0200[diff] [blame]3806 .switch_channel = b43_nphy_op_switch_channel,
3807 .get_default_chan = b43_nphy_op_get_default_chan,
Michael Buesch18c8ade2008-08-28 19:33:40 +0200[diff] [blame]3808 .recalc_txpower = b43_nphy_op_recalc_txpower,
3809 .adjust_txpower = b43_nphy_op_adjust_txpower,
Michael Bueschef1a6282008-08-27 18:53:02 +0200[diff] [blame]3810};