blob: 67748976ae7932f05f5bdc9da3ca7a6d2e8b6264 [file] [log] [blame]
Michael Buesch424047e2008-01-09 16:13:56 +01001/*
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 -050025#include <linux/delay.h>
26#include <linux/types.h>
27
Michael Buesch424047e2008-01-09 16:13:56 +010028#include "b43.h"
Michael Buesch3d0da752008-08-30 02:27:19 +020029#include "phy_n.h"
Michael Buesch53a6e232008-01-13 21:23:44 +010030#include "tables_nphy.h"
Rafał Miłeckibbec3982010-01-15 14:31:39 +010031#include "main.h"
Michael Buesch424047e2008-01-09 16:13:56 +010032
Rafał Miłeckif8187b52010-01-15 12:34:21 +010033struct nphy_txgains {
34 u16 txgm[2];
35 u16 pga[2];
36 u16 pad[2];
37 u16 ipa[2];
38};
39
40struct nphy_iqcal_params {
41 u16 txgm;
42 u16 pga;
43 u16 pad;
44 u16 ipa;
45 u16 cal_gain;
46 u16 ncorr[5];
47};
48
49struct nphy_iq_est {
50 s32 iq0_prod;
51 u32 i0_pwr;
52 u32 q0_pwr;
53 s32 iq1_prod;
54 u32 i1_pwr;
55 u32 q1_pwr;
56};
Michael Buesch424047e2008-01-09 16:13:56 +010057
Rafał Miłecki67c0d6e2010-01-17 13:04:02 +010058enum b43_nphy_rf_sequence {
59 B43_RFSEQ_RX2TX,
60 B43_RFSEQ_TX2RX,
61 B43_RFSEQ_RESET2RX,
62 B43_RFSEQ_UPDATE_GAINH,
63 B43_RFSEQ_UPDATE_GAINL,
64 B43_RFSEQ_UPDATE_GAINU,
65};
66
Rafał Miłecki9501fef2010-01-30 20:18:07 +010067static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
68 u8 *events, u8 *delays, u8 length);
Rafał Miłecki67c0d6e2010-01-17 13:04:02 +010069static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
70 enum b43_nphy_rf_sequence seq);
Rafał Miłecki67cbc3e2010-02-04 12:23:08 +010071static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
72 u16 value, u8 core, bool off);
73static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
74 u16 value, u8 core);
Rafał Miłecki67c0d6e2010-01-17 13:04:02 +010075
Michael Buesch53a6e232008-01-13 21:23:44 +010076void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
77{//TODO
78}
79
Michael Buesch18c8ade2008-08-28 19:33:40 +020080static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev)
Michael Buesch53a6e232008-01-13 21:23:44 +010081{//TODO
82}
83
Michael Buesch18c8ade2008-08-28 19:33:40 +020084static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev,
85 bool ignore_tssi)
86{//TODO
87 return B43_TXPWR_RES_DONE;
88}
89
Michael Bueschd1591312008-01-14 00:05:57 +010090static void b43_chantab_radio_upload(struct b43_wldev *dev,
91 const struct b43_nphy_channeltab_entry *e)
92{
Rafał Miłeckie5255ccc2010-02-27 13:03:35 +010093 b43_radio_write(dev, B2055_PLL_REF, e->radio_pll_ref);
94 b43_radio_write(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
95 b43_radio_write(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
96 b43_radio_write(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
97 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
98
99 b43_radio_write(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
100 b43_radio_write(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
101 b43_radio_write(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
102 b43_radio_write(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
103 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
104
105 b43_radio_write(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
106 b43_radio_write(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
107 b43_radio_write(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
108 b43_radio_write(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
109 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
110
111 b43_radio_write(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
112 b43_radio_write(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
113 b43_radio_write(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
114 b43_radio_write(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
115 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
116
117 b43_radio_write(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
118 b43_radio_write(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
119 b43_radio_write(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
120 b43_radio_write(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
121 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
122
123 b43_radio_write(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
124 b43_radio_write(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
Michael Bueschd1591312008-01-14 00:05:57 +0100125}
126
127static void b43_chantab_phy_upload(struct b43_wldev *dev,
128 const struct b43_nphy_channeltab_entry *e)
129{
130 b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a);
131 b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2);
132 b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3);
133 b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4);
134 b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5);
135 b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6);
136}
137
138static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
139{
140 //TODO
141}
142
Michael Bueschef1a6282008-08-27 18:53:02 +0200143/* Tune the hardware to a new channel. */
144static int nphy_channel_switch(struct b43_wldev *dev, unsigned int channel)
Michael Buesch53a6e232008-01-13 21:23:44 +0100145{
Michael Bueschd1591312008-01-14 00:05:57 +0100146 const struct b43_nphy_channeltab_entry *tabent;
Michael Buesch53a6e232008-01-13 21:23:44 +0100147
Michael Bueschd1591312008-01-14 00:05:57 +0100148 tabent = b43_nphy_get_chantabent(dev, channel);
149 if (!tabent)
150 return -ESRCH;
151
152 //FIXME enable/disable band select upper20 in RXCTL
153 if (0 /*FIXME 5Ghz*/)
154 b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, 0x20);
155 else
156 b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, 0x50);
157 b43_chantab_radio_upload(dev, tabent);
158 udelay(50);
159 b43_radio_write16(dev, B2055_VCO_CAL10, 5);
160 b43_radio_write16(dev, B2055_VCO_CAL10, 45);
161 b43_radio_write16(dev, B2055_VCO_CAL10, 65);
162 udelay(300);
163 if (0 /*FIXME 5Ghz*/)
164 b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
165 else
166 b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
167 b43_chantab_phy_upload(dev, tabent);
168 b43_nphy_tx_power_fix(dev);
169
170 return 0;
Michael Buesch53a6e232008-01-13 21:23:44 +0100171}
172
173static void b43_radio_init2055_pre(struct b43_wldev *dev)
174{
175 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
176 ~B43_NPHY_RFCTL_CMD_PORFORCE);
177 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
178 B43_NPHY_RFCTL_CMD_CHIP0PU |
179 B43_NPHY_RFCTL_CMD_OEPORFORCE);
180 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
181 B43_NPHY_RFCTL_CMD_PORFORCE);
182}
183
184static void b43_radio_init2055_post(struct b43_wldev *dev)
185{
Rafał Miłecki036cafe2010-02-27 13:03:36 +0100186 struct b43_phy_n *nphy = dev->phy.n;
Michael Buesch53a6e232008-01-13 21:23:44 +0100187 struct ssb_sprom *sprom = &(dev->dev->bus->sprom);
188 struct ssb_boardinfo *binfo = &(dev->dev->bus->boardinfo);
189 int i;
190 u16 val;
Rafał Miłecki036cafe2010-02-27 13:03:36 +0100191 bool workaround = false;
192
193 if (sprom->revision < 4)
194 workaround = (binfo->vendor != PCI_VENDOR_ID_BROADCOM ||
195 binfo->type != 0x46D ||
196 binfo->rev < 0x41);
197 else
198 workaround = ((sprom->boardflags_hi & B43_BFH_NOPA) == 0);
Michael Buesch53a6e232008-01-13 21:23:44 +0100199
200 b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
Rafał Miłecki036cafe2010-02-27 13:03:36 +0100201 if (workaround) {
202 b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
203 b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F);
Michael Buesch53a6e232008-01-13 21:23:44 +0100204 }
Rafał Miłecki036cafe2010-02-27 13:03:36 +0100205 b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C);
206 b43_radio_write(dev, B2055_CAL_MISC, 0x3C);
Michael Buesch53a6e232008-01-13 21:23:44 +0100207 b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
Michael Buesch53a6e232008-01-13 21:23:44 +0100208 b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
Michael Buesch53a6e232008-01-13 21:23:44 +0100209 b43_radio_set(dev, B2055_CAL_MISC, 0x1);
210 msleep(1);
211 b43_radio_set(dev, B2055_CAL_MISC, 0x40);
Rafał Miłecki036cafe2010-02-27 13:03:36 +0100212 for (i = 0; i < 200; i++) {
213 val = b43_radio_read(dev, B2055_CAL_COUT2);
214 if (val & 0x80) {
215 i = 0;
Michael Buesch53a6e232008-01-13 21:23:44 +0100216 break;
Rafał Miłecki036cafe2010-02-27 13:03:36 +0100217 }
Michael Buesch53a6e232008-01-13 21:23:44 +0100218 udelay(10);
219 }
Rafał Miłecki036cafe2010-02-27 13:03:36 +0100220 if (i)
221 b43err(dev->wl, "radio post init timeout\n");
Michael Buesch53a6e232008-01-13 21:23:44 +0100222 b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
Michael Bueschef1a6282008-08-27 18:53:02 +0200223 nphy_channel_switch(dev, dev->phy.channel);
Rafał Miłecki036cafe2010-02-27 13:03:36 +0100224 b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9);
225 b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9);
226 b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
227 b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
228 b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6);
229 b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6);
230 if (!nphy->gain_boost) {
231 b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2);
232 b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2);
233 } else {
234 b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD);
235 b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD);
236 }
237 udelay(2);
Michael Buesch53a6e232008-01-13 21:23:44 +0100238}
239
Rafał Miłeckic2b7aef2010-02-27 13:03:34 +0100240/*
241 * Initialize a Broadcom 2055 N-radio
242 * http://bcm-v4.sipsolutions.net/802.11/Radio/2055/Init
243 */
Michael Buesch53a6e232008-01-13 21:23:44 +0100244static void b43_radio_init2055(struct b43_wldev *dev)
245{
246 b43_radio_init2055_pre(dev);
247 if (b43_status(dev) < B43_STAT_INITIALIZED)
248 b2055_upload_inittab(dev, 0, 1);
249 else
250 b2055_upload_inittab(dev, 0/*FIXME on 5ghz band*/, 0);
251 b43_radio_init2055_post(dev);
252}
253
Rafał Miłecki4772ae12010-01-15 12:18:21 +0100254/*
255 * Upload the N-PHY tables.
256 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/InitTables
257 */
Michael Buesch95b66ba2008-01-18 01:09:25 +0100258static void b43_nphy_tables_init(struct b43_wldev *dev)
259{
Rafał Miłecki4772ae12010-01-15 12:18:21 +0100260 if (dev->phy.rev < 3)
261 b43_nphy_rev0_1_2_tables_init(dev);
262 else
263 b43_nphy_rev3plus_tables_init(dev);
Michael Buesch95b66ba2008-01-18 01:09:25 +0100264}
265
Rafał Miłeckie50cbcf2010-01-15 15:02:38 +0100266/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */
267static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable)
268{
269 struct b43_phy_n *nphy = dev->phy.n;
270 enum ieee80211_band band;
271 u16 tmp;
272
273 if (!enable) {
274 nphy->rfctrl_intc1_save = b43_phy_read(dev,
275 B43_NPHY_RFCTL_INTC1);
276 nphy->rfctrl_intc2_save = b43_phy_read(dev,
277 B43_NPHY_RFCTL_INTC2);
278 band = b43_current_band(dev->wl);
279 if (dev->phy.rev >= 3) {
280 if (band == IEEE80211_BAND_5GHZ)
281 tmp = 0x600;
282 else
283 tmp = 0x480;
284 } else {
285 if (band == IEEE80211_BAND_5GHZ)
286 tmp = 0x180;
287 else
288 tmp = 0x120;
289 }
290 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
291 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
292 } else {
293 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1,
294 nphy->rfctrl_intc1_save);
295 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2,
296 nphy->rfctrl_intc2_save);
297 }
298}
299
Rafał Miłeckife3e46e2010-01-15 15:51:55 +0100300/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */
301static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
302{
303 struct b43_phy_n *nphy = dev->phy.n;
304 u16 tmp;
305 enum ieee80211_band band = b43_current_band(dev->wl);
306 bool ipa = (nphy->ipa2g_on && band == IEEE80211_BAND_2GHZ) ||
307 (nphy->ipa5g_on && band == IEEE80211_BAND_5GHZ);
308
309 if (dev->phy.rev >= 3) {
310 if (ipa) {
311 tmp = 4;
312 b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
313 (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
314 }
315
316 tmp = 1;
317 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
318 (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
319 }
320}
321
Rafał Miłecki4a933c82010-01-15 13:36:43 +0100322/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BmacPhyClkFgc */
323static void b43_nphy_bmac_clock_fgc(struct b43_wldev *dev, bool force)
324{
325 u32 tmslow;
326
327 if (dev->phy.type != B43_PHYTYPE_N)
328 return;
329
330 tmslow = ssb_read32(dev->dev, SSB_TMSLOW);
331 if (force)
332 tmslow |= SSB_TMSLOW_FGC;
333 else
334 tmslow &= ~SSB_TMSLOW_FGC;
335 ssb_write32(dev->dev, SSB_TMSLOW, tmslow);
336}
337
338/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */
Michael Buesch95b66ba2008-01-18 01:09:25 +0100339static void b43_nphy_reset_cca(struct b43_wldev *dev)
340{
341 u16 bbcfg;
342
Rafał Miłecki4a933c82010-01-15 13:36:43 +0100343 b43_nphy_bmac_clock_fgc(dev, 1);
Michael Buesch95b66ba2008-01-18 01:09:25 +0100344 bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG);
Rafał Miłecki4a933c82010-01-15 13:36:43 +0100345 b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA);
346 udelay(1);
347 b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA);
348 b43_nphy_bmac_clock_fgc(dev, 0);
Rafał Miłecki67c0d6e2010-01-17 13:04:02 +0100349 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
Michael Buesch95b66ba2008-01-18 01:09:25 +0100350}
351
Rafał Miłeckiad9716e2010-01-17 13:03:40 +0100352/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */
353static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble)
354{
355 u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG);
356
357 mimocfg |= B43_NPHY_MIMOCFG_AUTO;
358 if (preamble == 1)
359 mimocfg |= B43_NPHY_MIMOCFG_GFMIX;
360 else
361 mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX;
362
363 b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg);
364}
365
Rafał Miłecki4f4ab6c2010-01-17 13:03:55 +0100366/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
367static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
368{
369 struct b43_phy_n *nphy = dev->phy.n;
370
371 bool override = false;
372 u16 chain = 0x33;
373
374 if (nphy->txrx_chain == 0) {
375 chain = 0x11;
376 override = true;
377 } else if (nphy->txrx_chain == 1) {
378 chain = 0x22;
379 override = true;
380 }
381
382 b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
383 ~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
384 chain);
385
386 if (override)
387 b43_phy_set(dev, B43_NPHY_RFSEQMODE,
388 B43_NPHY_RFSEQMODE_CAOVER);
389 else
390 b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
391 ~B43_NPHY_RFSEQMODE_CAOVER);
392}
393
Rafał Miłecki2faa6b82010-01-15 15:26:12 +0100394/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
395static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
396 u16 samps, u8 time, bool wait)
397{
398 int i;
399 u16 tmp;
400
401 b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps);
402 b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time);
403 if (wait)
404 b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE);
405 else
406 b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE);
407
408 b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START);
409
410 for (i = 1000; i; i--) {
411 tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD);
412 if (!(tmp & B43_NPHY_IQEST_CMD_START)) {
413 est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) |
414 b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0);
415 est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) |
416 b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0);
417 est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) |
418 b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0);
419
420 est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) |
421 b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1);
422 est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) |
423 b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1);
424 est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) |
425 b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1);
426 return;
427 }
428 udelay(10);
429 }
430 memset(est, 0, sizeof(*est));
431}
432
Rafał Miłeckia67162a2010-01-15 15:16:25 +0100433/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqCoeffs */
434static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write,
435 struct b43_phy_n_iq_comp *pcomp)
436{
437 if (write) {
438 b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPA0, pcomp->a0);
439 b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPB0, pcomp->b0);
440 b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPA1, pcomp->a1);
441 b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPB1, pcomp->b1);
442 } else {
443 pcomp->a0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPA0);
444 pcomp->b0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPB0);
445 pcomp->a1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPA1);
446 pcomp->b1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPB1);
447 }
448}
449
Rafał Miłecki026816f2010-01-17 13:03:28 +0100450/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhyCleanup */
451static void b43_nphy_rx_cal_phy_cleanup(struct b43_wldev *dev, u8 core)
452{
453 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
454
455 b43_phy_write(dev, B43_NPHY_RFSEQCA, regs[0]);
456 if (core == 0) {
457 b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[1]);
458 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
459 } else {
460 b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
461 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
462 }
463 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[3]);
464 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[4]);
465 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, regs[5]);
466 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, regs[6]);
467 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, regs[7]);
468 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, regs[8]);
469 b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
470 b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
471}
472
473/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhySetup */
474static void b43_nphy_rx_cal_phy_setup(struct b43_wldev *dev, u8 core)
475{
476 u8 rxval, txval;
477 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
478
479 regs[0] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
480 if (core == 0) {
481 regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
482 regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
483 } else {
484 regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
485 regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
486 }
487 regs[3] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
488 regs[4] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
489 regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
490 regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
491 regs[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S1);
492 regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
493 regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
494 regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
495
496 b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
497 b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
498
499 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, (u16)~B43_NPHY_RFSEQCA_RXDIS,
500 ((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
501 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
502 ((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT));
503 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
504 (core << B43_NPHY_RFSEQCA_RXEN_SHIFT));
505 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS,
506 (core << B43_NPHY_RFSEQCA_TXDIS_SHIFT));
507
508 if (core == 0) {
509 b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007);
510 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007);
511 } else {
512 b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007);
513 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007);
514 }
515
Rafał Miłecki67cbc3e2010-02-04 12:23:08 +0100516 b43_nphy_rf_control_intc_override(dev, 2, 0, 3);
517 b43_nphy_rf_control_override(dev, 8, 0, 3, false);
Rafał Miłecki67c0d6e2010-01-17 13:04:02 +0100518 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
Rafał Miłecki026816f2010-01-17 13:03:28 +0100519
520 if (core == 0) {
521 rxval = 1;
522 txval = 8;
523 } else {
524 rxval = 4;
525 txval = 2;
526 }
Rafał Miłecki67cbc3e2010-02-04 12:23:08 +0100527 b43_nphy_rf_control_intc_override(dev, 1, rxval, (core + 1));
528 b43_nphy_rf_control_intc_override(dev, 1, txval, (2 - core));
Rafał Miłecki026816f2010-01-17 13:03:28 +0100529}
530
Rafał Miłecki34a56f22010-01-15 15:29:05 +0100531/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */
532static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask)
533{
534 int i;
535 s32 iq;
536 u32 ii;
537 u32 qq;
538 int iq_nbits, qq_nbits;
539 int arsh, brsh;
540 u16 tmp, a, b;
541
542 struct nphy_iq_est est;
543 struct b43_phy_n_iq_comp old;
544 struct b43_phy_n_iq_comp new = { };
545 bool error = false;
546
547 if (mask == 0)
548 return;
549
550 b43_nphy_rx_iq_coeffs(dev, false, &old);
551 b43_nphy_rx_iq_coeffs(dev, true, &new);
552 b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false);
553 new = old;
554
555 for (i = 0; i < 2; i++) {
556 if (i == 0 && (mask & 1)) {
557 iq = est.iq0_prod;
558 ii = est.i0_pwr;
559 qq = est.q0_pwr;
560 } else if (i == 1 && (mask & 2)) {
561 iq = est.iq1_prod;
562 ii = est.i1_pwr;
563 qq = est.q1_pwr;
564 } else {
565 B43_WARN_ON(1);
566 continue;
567 }
568
569 if (ii + qq < 2) {
570 error = true;
571 break;
572 }
573
574 iq_nbits = fls(abs(iq));
575 qq_nbits = fls(qq);
576
577 arsh = iq_nbits - 20;
578 if (arsh >= 0) {
579 a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh)));
580 tmp = ii >> arsh;
581 } else {
582 a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh)));
583 tmp = ii << -arsh;
584 }
585 if (tmp == 0) {
586 error = true;
587 break;
588 }
589 a /= tmp;
590
591 brsh = qq_nbits - 11;
592 if (brsh >= 0) {
593 b = (qq << (31 - qq_nbits));
594 tmp = ii >> brsh;
595 } else {
596 b = (qq << (31 - qq_nbits));
597 tmp = ii << -brsh;
598 }
599 if (tmp == 0) {
600 error = true;
601 break;
602 }
603 b = int_sqrt(b / tmp - a * a) - (1 << 10);
604
605 if (i == 0 && (mask & 0x1)) {
606 if (dev->phy.rev >= 3) {
607 new.a0 = a & 0x3FF;
608 new.b0 = b & 0x3FF;
609 } else {
610 new.a0 = b & 0x3FF;
611 new.b0 = a & 0x3FF;
612 }
613 } else if (i == 1 && (mask & 0x2)) {
614 if (dev->phy.rev >= 3) {
615 new.a1 = a & 0x3FF;
616 new.b1 = b & 0x3FF;
617 } else {
618 new.a1 = b & 0x3FF;
619 new.b1 = a & 0x3FF;
620 }
621 }
622 }
623
624 if (error)
625 new = old;
626
627 b43_nphy_rx_iq_coeffs(dev, true, &new);
628}
629
Rafał Miłecki09146402010-01-15 15:17:10 +0100630/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */
631static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
632{
633 u16 array[4];
634 int i;
635
636 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x3C50);
637 for (i = 0; i < 4; i++)
638 array[i] = b43_phy_read(dev, B43_NPHY_TABLE_DATALO);
639
640 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]);
641 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]);
642 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]);
643 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
644}
645
Rafał Miłeckibbec3982010-01-15 14:31:39 +0100646/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
647static void b43_nphy_write_clip_detection(struct b43_wldev *dev, u16 *clip_st)
648{
649 b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]);
650 b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]);
651}
652
653/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
654static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
655{
656 clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES);
657 clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES);
658}
659
Rafał Miłecki8987a9e2010-02-27 13:03:33 +0100660/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */
661static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init)
662{
663 if (dev->phy.rev >= 3) {
664 if (!init)
665 return;
666 if (0 /* FIXME */) {
667 b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211);
668 b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222);
669 b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144);
670 b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188);
671 }
672 } else {
673 b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0);
674 b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0);
675
676 ssb_chipco_gpio_control(&dev->dev->bus->chipco, 0xFC00,
677 0xFC00);
678 b43_write32(dev, B43_MMIO_MACCTL,
679 b43_read32(dev, B43_MMIO_MACCTL) &
680 ~B43_MACCTL_GPOUTSMSK);
681 b43_write16(dev, B43_MMIO_GPIO_MASK,
682 b43_read16(dev, B43_MMIO_GPIO_MASK) | 0xFC00);
683 b43_write16(dev, B43_MMIO_GPIO_CONTROL,
684 b43_read16(dev, B43_MMIO_GPIO_CONTROL) & ~0xFC00);
685
686 if (init) {
687 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
688 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
689 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
690 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
691 }
692 }
693}
694
Rafał Miłeckibbec3982010-01-15 14:31:39 +0100695/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */
696static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val)
697{
698 u16 tmp;
699
700 if (dev->dev->id.revision == 16)
701 b43_mac_suspend(dev);
702
703 tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL);
704 tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN |
705 B43_NPHY_CLASSCTL_WAITEDEN);
706 tmp &= ~mask;
707 tmp |= (val & mask);
708 b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp);
709
710 if (dev->dev->id.revision == 16)
711 b43_mac_enable(dev);
712
713 return tmp;
714}
715
Rafał Miłecki5c1a1402010-01-15 15:10:54 +0100716/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */
717static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable)
718{
719 struct b43_phy *phy = &dev->phy;
720 struct b43_phy_n *nphy = phy->n;
721
722 if (enable) {
723 u16 clip[] = { 0xFFFF, 0xFFFF };
724 if (nphy->deaf_count++ == 0) {
725 nphy->classifier_state = b43_nphy_classifier(dev, 0, 0);
726 b43_nphy_classifier(dev, 0x7, 0);
727 b43_nphy_read_clip_detection(dev, nphy->clip_state);
728 b43_nphy_write_clip_detection(dev, clip);
729 }
730 b43_nphy_reset_cca(dev);
731 } else {
732 if (--nphy->deaf_count == 0) {
733 b43_nphy_classifier(dev, 0x7, nphy->classifier_state);
734 b43_nphy_write_clip_detection(dev, nphy->clip_state);
735 }
736 }
737}
738
Rafał Miłecki53ae8e82010-01-17 13:03:48 +0100739/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
740static void b43_nphy_stop_playback(struct b43_wldev *dev)
741{
742 struct b43_phy_n *nphy = dev->phy.n;
743 u16 tmp;
744
745 if (nphy->hang_avoid)
746 b43_nphy_stay_in_carrier_search(dev, 1);
747
748 tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
749 if (tmp & 0x1)
750 b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
751 else if (tmp & 0x2)
752 b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, (u16)~0x8000);
753
754 b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);
755
756 if (nphy->bb_mult_save & 0x80000000) {
757 tmp = nphy->bb_mult_save & 0xFFFF;
Rafał Miłeckid41a3552010-01-18 00:21:17 +0100758 b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
Rafał Miłecki53ae8e82010-01-17 13:03:48 +0100759 nphy->bb_mult_save = 0;
760 }
761
762 if (nphy->hang_avoid)
763 b43_nphy_stay_in_carrier_search(dev, 0);
764}
765
Rafał Miłecki9442e5b2010-02-04 12:23:12 +0100766/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */
767static void b43_nphy_spur_workaround(struct b43_wldev *dev)
768{
769 struct b43_phy_n *nphy = dev->phy.n;
770
771 unsigned int channel;
772 int tone[2] = { 57, 58 };
773 u32 noise[2] = { 0x3FF, 0x3FF };
774
775 B43_WARN_ON(dev->phy.rev < 3);
776
777 if (nphy->hang_avoid)
778 b43_nphy_stay_in_carrier_search(dev, 1);
779
780 /* FIXME: channel = radio_chanspec */
781
782 if (nphy->gband_spurwar_en) {
783 /* TODO: N PHY Adjust Analog Pfbw (7) */
784 if (channel == 11 && dev->phy.is_40mhz)
785 ; /* TODO: N PHY Adjust Min Noise Var(2, tone, noise)*/
786 else
787 ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
788 /* TODO: N PHY Adjust CRS Min Power (0x1E) */
789 }
790
791 if (nphy->aband_spurwar_en) {
792 if (channel == 54) {
793 tone[0] = 0x20;
794 noise[0] = 0x25F;
795 } else if (channel == 38 || channel == 102 || channel == 118) {
796 if (0 /* FIXME */) {
797 tone[0] = 0x20;
798 noise[0] = 0x21F;
799 } else {
800 tone[0] = 0;
801 noise[0] = 0;
802 }
803 } else if (channel == 134) {
804 tone[0] = 0x20;
805 noise[0] = 0x21F;
806 } else if (channel == 151) {
807 tone[0] = 0x10;
808 noise[0] = 0x23F;
809 } else if (channel == 153 || channel == 161) {
810 tone[0] = 0x30;
811 noise[0] = 0x23F;
812 } else {
813 tone[0] = 0;
814 noise[0] = 0;
815 }
816
817 if (!tone[0] && !noise[0])
818 ; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/
819 else
820 ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
821 }
822
823 if (nphy->hang_avoid)
824 b43_nphy_stay_in_carrier_search(dev, 0);
825}
826
Rafał Miłeckief5127a2010-01-30 00:12:20 +0100827/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */
828static void b43_nphy_gain_crtl_workarounds(struct b43_wldev *dev)
829{
830 struct b43_phy_n *nphy = dev->phy.n;
831 u8 i, j;
832 u8 code;
833
834 /* TODO: for PHY >= 3
835 s8 *lna1_gain, *lna2_gain;
836 u8 *gain_db, *gain_bits;
837 u16 *rfseq_init;
838 u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 };
839 u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 };
840 */
841
842 u8 rfseq_events[3] = { 6, 8, 7 };
843 u8 rfseq_delays[3] = { 10, 30, 1 };
844
845 if (dev->phy.rev >= 3) {
846 /* TODO */
847 } else {
848 /* Set Clip 2 detect */
849 b43_phy_set(dev, B43_NPHY_C1_CGAINI,
850 B43_NPHY_C1_CGAINI_CL2DETECT);
851 b43_phy_set(dev, B43_NPHY_C2_CGAINI,
852 B43_NPHY_C2_CGAINI_CL2DETECT);
853
854 /* Set narrowband clip threshold */
855 b43_phy_set(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84);
856 b43_phy_set(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84);
857
858 if (!dev->phy.is_40mhz) {
859 /* Set dwell lengths */
860 b43_phy_set(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B);
861 b43_phy_set(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B);
862 b43_phy_set(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009);
863 b43_phy_set(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 0x0009);
864 }
865
866 /* Set wideband clip 2 threshold */
867 b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
868 ~B43_NPHY_C1_CLIPWBTHRES_CLIP2,
869 21);
870 b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
871 ~B43_NPHY_C2_CLIPWBTHRES_CLIP2,
872 21);
873
874 if (!dev->phy.is_40mhz) {
875 b43_phy_maskset(dev, B43_NPHY_C1_CGAINI,
876 ~B43_NPHY_C1_CGAINI_GAINBKOFF, 0x1);
877 b43_phy_maskset(dev, B43_NPHY_C2_CGAINI,
878 ~B43_NPHY_C2_CGAINI_GAINBKOFF, 0x1);
879 b43_phy_maskset(dev, B43_NPHY_C1_CCK_CGAINI,
880 ~B43_NPHY_C1_CCK_CGAINI_GAINBKOFF, 0x1);
881 b43_phy_maskset(dev, B43_NPHY_C2_CCK_CGAINI,
882 ~B43_NPHY_C2_CCK_CGAINI_GAINBKOFF, 0x1);
883 }
884
885 b43_phy_set(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
886
887 if (nphy->gain_boost) {
888 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ &&
889 dev->phy.is_40mhz)
890 code = 4;
891 else
892 code = 5;
893 } else {
894 code = dev->phy.is_40mhz ? 6 : 7;
895 }
896
897 /* Set HPVGA2 index */
898 b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN,
899 ~B43_NPHY_C1_INITGAIN_HPVGA2,
900 code << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT);
901 b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN,
902 ~B43_NPHY_C2_INITGAIN_HPVGA2,
903 code << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT);
904
905 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
906 b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
907 (code << 8 | 0x7C));
908 b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
909 (code << 8 | 0x7C));
910
911 /* TODO: b43_nphy_adjust_lna_gain_table(dev); */
912
913 if (nphy->elna_gain_config) {
914 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0808);
915 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
916 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
917 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
918 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
919
920 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0C08);
921 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
922 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
923 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
924 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
925
926 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
927 b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
928 (code << 8 | 0x74));
929 b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
930 (code << 8 | 0x74));
931 }
932
933 if (dev->phy.rev == 2) {
934 for (i = 0; i < 4; i++) {
935 b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
936 (0x0400 * i) + 0x0020);
937 for (j = 0; j < 21; j++)
938 b43_phy_write(dev,
939 B43_NPHY_TABLE_DATALO, 3 * j);
940 }
941
Rafał Miłecki9501fef2010-01-30 20:18:07 +0100942 b43_nphy_set_rf_sequence(dev, 5,
943 rfseq_events, rfseq_delays, 3);
Rafał Miłeckief5127a2010-01-30 00:12:20 +0100944 b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1,
945 (u16)~B43_NPHY_OVER_DGAIN_CCKDGECV,
946 0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT);
947
948 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
949 b43_phy_maskset(dev, B43_PHY_N(0xC5D),
950 0xFF80, 4);
951 }
952 }
953}
954
Rafał Miłecki28fd7da2010-01-30 00:12:19 +0100955/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
956static void b43_nphy_workarounds(struct b43_wldev *dev)
957{
958 struct ssb_bus *bus = dev->dev->bus;
959 struct b43_phy *phy = &dev->phy;
960 struct b43_phy_n *nphy = phy->n;
961
962 u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
963 u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
964
965 u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
966 u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
967
968 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
969 b43_nphy_classifier(dev, 1, 0);
970 else
971 b43_nphy_classifier(dev, 1, 1);
972
973 if (nphy->hang_avoid)
974 b43_nphy_stay_in_carrier_search(dev, 1);
975
976 b43_phy_set(dev, B43_NPHY_IQFLIP,
977 B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
978
979 if (dev->phy.rev >= 3) {
980 /* TODO */
981 } else {
982 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ &&
983 nphy->band5g_pwrgain) {
984 b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
985 b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8);
986 } else {
987 b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
988 b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
989 }
990
991 /* TODO: convert to b43_ntab_write? */
992 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2000);
993 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x000A);
994 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2010);
995 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x000A);
996 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2002);
997 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0xCDAA);
998 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2012);
999 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0xCDAA);
1000
1001 if (dev->phy.rev < 2) {
1002 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2008);
1003 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0000);
1004 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2018);
1005 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0000);
1006 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2007);
1007 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x7AAB);
1008 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2017);
1009 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x7AAB);
1010 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2006);
1011 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0800);
1012 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2016);
1013 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0800);
1014 }
1015
1016 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
1017 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
1018 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
1019 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
1020
1021 if (bus->sprom.boardflags2_lo & 0x100 &&
1022 bus->boardinfo.type == 0x8B) {
1023 delays1[0] = 0x1;
1024 delays1[5] = 0x14;
1025 }
Rafał Miłecki9501fef2010-01-30 20:18:07 +01001026 b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
1027 b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);
Rafał Miłecki28fd7da2010-01-30 00:12:19 +01001028
Rafał Miłeckief5127a2010-01-30 00:12:20 +01001029 b43_nphy_gain_crtl_workarounds(dev);
Rafał Miłecki28fd7da2010-01-30 00:12:19 +01001030
1031 if (dev->phy.rev < 2) {
1032 if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2)
1033 ; /*TODO: b43_mhf(dev, 2, 0x0010, 0x0010, 3);*/
1034 } else if (dev->phy.rev == 2) {
1035 b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0);
1036 b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0);
1037 }
1038
1039 if (dev->phy.rev < 2)
1040 b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL,
1041 ~B43_NPHY_SCRAM_SIGCTL_SCM);
1042
1043 /* Set phase track alpha and beta */
1044 b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125);
1045 b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3);
1046 b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105);
1047 b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E);
1048 b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD);
1049 b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);
1050
1051 b43_phy_mask(dev, B43_NPHY_PIL_DW1,
1052 (u16)~B43_NPHY_PIL_DW_64QAM);
1053 b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
1054 b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
1055 b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);
1056
1057 if (dev->phy.rev == 2)
1058 b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
1059 B43_NPHY_FINERX2_CGC_DECGC);
1060 }
1061
1062 if (nphy->hang_avoid)
1063 b43_nphy_stay_in_carrier_search(dev, 0);
1064}
1065
Rafał Miłecki5f6393e2010-02-04 13:08:08 +01001066/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */
1067static int b43_nphy_load_samples(struct b43_wldev *dev,
1068 struct b43_c32 *samples, u16 len) {
1069 struct b43_phy_n *nphy = dev->phy.n;
1070 u16 i;
1071 u32 *data;
1072
1073 data = kzalloc(len * sizeof(u32), GFP_KERNEL);
1074 if (!data) {
1075 b43err(dev->wl, "allocation for samples loading failed\n");
1076 return -ENOMEM;
1077 }
1078 if (nphy->hang_avoid)
1079 b43_nphy_stay_in_carrier_search(dev, 1);
1080
1081 for (i = 0; i < len; i++) {
1082 data[i] = (samples[i].i & 0x3FF << 10);
1083 data[i] |= samples[i].q & 0x3FF;
1084 }
1085 b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data);
1086
1087 kfree(data);
1088 if (nphy->hang_avoid)
1089 b43_nphy_stay_in_carrier_search(dev, 0);
1090 return 0;
1091}
1092
Rafał Miłecki59af0992010-01-22 01:53:16 +01001093/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GenLoadSamples */
1094static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max,
1095 bool test)
1096{
1097 int i;
Rafał Miłeckif2982182010-01-25 19:00:01 +01001098 u16 bw, len, rot, angle;
Larry Fingerda860472010-01-26 16:42:02 -06001099 struct b43_c32 *samples;
Rafał Miłeckif2982182010-01-25 19:00:01 +01001100
Rafał Miłecki59af0992010-01-22 01:53:16 +01001101
1102 bw = (dev->phy.is_40mhz) ? 40 : 20;
1103 len = bw << 3;
1104
1105 if (test) {
1106 if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX)
1107 bw = 82;
1108 else
1109 bw = 80;
1110
1111 if (dev->phy.is_40mhz)
1112 bw <<= 1;
1113
1114 len = bw << 1;
1115 }
1116
Larry Fingerda860472010-01-26 16:42:02 -06001117 samples = kzalloc(len * sizeof(struct b43_c32), GFP_KERNEL);
Rafał Miłecki40bd5202010-02-04 13:11:54 +01001118 if (!samples) {
1119 b43err(dev->wl, "allocation for samples generation failed\n");
1120 return 0;
1121 }
Rafał Miłecki59af0992010-01-22 01:53:16 +01001122 rot = (((freq * 36) / bw) << 16) / 100;
1123 angle = 0;
1124
Rafał Miłeckif2982182010-01-25 19:00:01 +01001125 for (i = 0; i < len; i++) {
1126 samples[i] = b43_cordic(angle);
1127 angle += rot;
1128 samples[i].q = CORDIC_CONVERT(samples[i].q * max);
1129 samples[i].i = CORDIC_CONVERT(samples[i].i * max);
Rafał Miłecki59af0992010-01-22 01:53:16 +01001130 }
1131
Rafał Miłecki5f6393e2010-02-04 13:08:08 +01001132 i = b43_nphy_load_samples(dev, samples, len);
Rafał Miłeckif2982182010-01-25 19:00:01 +01001133 kfree(samples);
Rafał Miłecki5f6393e2010-02-04 13:08:08 +01001134 return (i < 0) ? 0 : len;
Rafał Miłecki59af0992010-01-22 01:53:16 +01001135}
1136
Rafał Miłecki10a79872010-01-22 01:53:14 +01001137/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */
1138static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops,
1139 u16 wait, bool iqmode, bool dac_test)
1140{
1141 struct b43_phy_n *nphy = dev->phy.n;
1142 int i;
1143 u16 seq_mode;
1144 u32 tmp;
1145
1146 if (nphy->hang_avoid)
1147 b43_nphy_stay_in_carrier_search(dev, true);
1148
1149 if ((nphy->bb_mult_save & 0x80000000) == 0) {
1150 tmp = b43_ntab_read(dev, B43_NTAB16(15, 87));
1151 nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000;
1152 }
1153
1154 if (!dev->phy.is_40mhz)
1155 tmp = 0x6464;
1156 else
1157 tmp = 0x4747;
1158 b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
1159
1160 if (nphy->hang_avoid)
1161 b43_nphy_stay_in_carrier_search(dev, false);
1162
1163 b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1));
1164
1165 if (loops != 0xFFFF)
1166 b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1));
1167 else
1168 b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops);
1169
1170 b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait);
1171
1172 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
1173
1174 b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER);
1175 if (iqmode) {
1176 b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
1177 b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000);
1178 } else {
1179 if (dac_test)
1180 b43_phy_write(dev, B43_NPHY_SAMP_CMD, 5);
1181 else
1182 b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1);
1183 }
1184 for (i = 0; i < 100; i++) {
1185 if (b43_phy_read(dev, B43_NPHY_RFSEQST) & 1) {
1186 i = 0;
1187 break;
1188 }
1189 udelay(10);
1190 }
1191 if (i)
1192 b43err(dev->wl, "run samples timeout\n");
1193
1194 b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
1195}
1196
Rafał Miłecki59af0992010-01-22 01:53:16 +01001197/*
1198 * Transmits a known value for LO calibration
1199 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
1200 */
1201static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
1202 bool iqmode, bool dac_test)
1203{
1204 u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
1205 if (samp == 0)
1206 return -1;
1207 b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
1208 return 0;
1209}
1210
Rafał Miłecki6dcd9d92010-01-15 16:24:57 +01001211/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
1212static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
1213{
1214 struct b43_phy_n *nphy = dev->phy.n;
1215 int i, j;
1216 u32 tmp;
1217 u32 cur_real, cur_imag, real_part, imag_part;
1218
1219 u16 buffer[7];
1220
1221 if (nphy->hang_avoid)
1222 b43_nphy_stay_in_carrier_search(dev, true);
1223
Rafał Miłecki91458342010-01-18 00:21:35 +01001224 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
Rafał Miłecki6dcd9d92010-01-15 16:24:57 +01001225
1226 for (i = 0; i < 2; i++) {
1227 tmp = ((buffer[i * 2] & 0x3FF) << 10) |
1228 (buffer[i * 2 + 1] & 0x3FF);
1229 b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
1230 (((i + 26) << 10) | 320));
1231 for (j = 0; j < 128; j++) {
1232 b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
1233 ((tmp >> 16) & 0xFFFF));
1234 b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
1235 (tmp & 0xFFFF));
1236 }
1237 }
1238
1239 for (i = 0; i < 2; i++) {
1240 tmp = buffer[5 + i];
1241 real_part = (tmp >> 8) & 0xFF;
1242 imag_part = (tmp & 0xFF);
1243 b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
1244 (((i + 26) << 10) | 448));
1245
1246 if (dev->phy.rev >= 3) {
1247 cur_real = real_part;
1248 cur_imag = imag_part;
1249 tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
1250 }
1251
1252 for (j = 0; j < 128; j++) {
1253 if (dev->phy.rev < 3) {
1254 cur_real = (real_part * loscale[j] + 128) >> 8;
1255 cur_imag = (imag_part * loscale[j] + 128) >> 8;
1256 tmp = ((cur_real & 0xFF) << 8) |
1257 (cur_imag & 0xFF);
1258 }
1259 b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
1260 ((tmp >> 16) & 0xFFFF));
1261 b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
1262 (tmp & 0xFFFF));
1263 }
1264 }
1265
1266 if (dev->phy.rev >= 3) {
1267 b43_shm_write16(dev, B43_SHM_SHARED,
1268 B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF);
1269 b43_shm_write16(dev, B43_SHM_SHARED,
1270 B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF);
1271 }
1272
1273 if (nphy->hang_avoid)
1274 b43_nphy_stay_in_carrier_search(dev, false);
1275}
1276
Rafał Miłecki9501fef2010-01-30 20:18:07 +01001277/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRfSeq */
1278static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
1279 u8 *events, u8 *delays, u8 length)
1280{
1281 struct b43_phy_n *nphy = dev->phy.n;
1282 u8 i;
1283 u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F;
1284 u16 offset1 = cmd << 4;
1285 u16 offset2 = offset1 + 0x80;
1286
1287 if (nphy->hang_avoid)
1288 b43_nphy_stay_in_carrier_search(dev, true);
1289
1290 b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events);
1291 b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays);
1292
1293 for (i = length; i < 16; i++) {
1294 b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end);
1295 b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1);
1296 }
1297
1298 if (nphy->hang_avoid)
1299 b43_nphy_stay_in_carrier_search(dev, false);
1300}
1301
Rafał Miłecki67c0d6e2010-01-17 13:04:02 +01001302/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ForceRFSeq */
Michael Buesch95b66ba2008-01-18 01:09:25 +01001303static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
1304 enum b43_nphy_rf_sequence seq)
1305{
1306 static const u16 trigger[] = {
1307 [B43_RFSEQ_RX2TX] = B43_NPHY_RFSEQTR_RX2TX,
1308 [B43_RFSEQ_TX2RX] = B43_NPHY_RFSEQTR_TX2RX,
1309 [B43_RFSEQ_RESET2RX] = B43_NPHY_RFSEQTR_RST2RX,
1310 [B43_RFSEQ_UPDATE_GAINH] = B43_NPHY_RFSEQTR_UPGH,
1311 [B43_RFSEQ_UPDATE_GAINL] = B43_NPHY_RFSEQTR_UPGL,
1312 [B43_RFSEQ_UPDATE_GAINU] = B43_NPHY_RFSEQTR_UPGU,
1313 };
1314 int i;
Rafał Miłeckic57199b2010-01-17 13:04:08 +01001315 u16 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
Michael Buesch95b66ba2008-01-18 01:09:25 +01001316
1317 B43_WARN_ON(seq >= ARRAY_SIZE(trigger));
1318
1319 b43_phy_set(dev, B43_NPHY_RFSEQMODE,
1320 B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER);
1321 b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]);
1322 for (i = 0; i < 200; i++) {
1323 if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq]))
1324 goto ok;
1325 msleep(1);
1326 }
1327 b43err(dev->wl, "RF sequence status timeout\n");
1328ok:
Rafał Miłeckic57199b2010-01-17 13:04:08 +01001329 b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
Michael Buesch95b66ba2008-01-18 01:09:25 +01001330}
1331
Rafał Miłecki75377b22010-01-22 01:53:13 +01001332/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */
1333static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
1334 u16 value, u8 core, bool off)
1335{
1336 int i;
1337 u8 index = fls(field);
1338 u8 addr, en_addr, val_addr;
1339 /* we expect only one bit set */
Rafał Miłecki3ed0fac2010-01-25 18:59:58 +01001340 B43_WARN_ON(field & (~(1 << (index - 1))));
Rafał Miłecki75377b22010-01-22 01:53:13 +01001341
1342 if (dev->phy.rev >= 3) {
1343 const struct nphy_rf_control_override_rev3 *rf_ctrl;
1344 for (i = 0; i < 2; i++) {
1345 if (index == 0 || index == 16) {
1346 b43err(dev->wl,
1347 "Unsupported RF Ctrl Override call\n");
1348 return;
1349 }
1350
1351 rf_ctrl = &tbl_rf_control_override_rev3[index - 1];
1352 en_addr = B43_PHY_N((i == 0) ?
1353 rf_ctrl->en_addr0 : rf_ctrl->en_addr1);
1354 val_addr = B43_PHY_N((i == 0) ?
1355 rf_ctrl->val_addr0 : rf_ctrl->val_addr1);
1356
1357 if (off) {
1358 b43_phy_mask(dev, en_addr, ~(field));
1359 b43_phy_mask(dev, val_addr,
1360 ~(rf_ctrl->val_mask));
1361 } else {
1362 if (core == 0 || ((1 << core) & i) != 0) {
1363 b43_phy_set(dev, en_addr, field);
1364 b43_phy_maskset(dev, val_addr,
1365 ~(rf_ctrl->val_mask),
1366 (value << rf_ctrl->val_shift));
1367 }
1368 }
1369 }
1370 } else {
1371 const struct nphy_rf_control_override_rev2 *rf_ctrl;
1372 if (off) {
1373 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(field));
1374 value = 0;
1375 } else {
1376 b43_phy_set(dev, B43_NPHY_RFCTL_OVER, field);
1377 }
1378
1379 for (i = 0; i < 2; i++) {
1380 if (index <= 1 || index == 16) {
1381 b43err(dev->wl,
1382 "Unsupported RF Ctrl Override call\n");
1383 return;
1384 }
1385
1386 if (index == 2 || index == 10 ||
1387 (index >= 13 && index <= 15)) {
1388 core = 1;
1389 }
1390
1391 rf_ctrl = &tbl_rf_control_override_rev2[index - 2];
1392 addr = B43_PHY_N((i == 0) ?
1393 rf_ctrl->addr0 : rf_ctrl->addr1);
1394
1395 if ((core & (1 << i)) != 0)
1396 b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask),
1397 (value << rf_ctrl->shift));
1398
1399 b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
1400 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1401 B43_NPHY_RFCTL_CMD_START);
1402 udelay(1);
1403 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE);
1404 }
1405 }
1406}
1407
Rafał Miłecki67cbc3e2010-02-04 12:23:08 +01001408/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */
1409static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
1410 u16 value, u8 core)
1411{
1412 u8 i, j;
1413 u16 reg, tmp, val;
1414
1415 B43_WARN_ON(dev->phy.rev < 3);
1416 B43_WARN_ON(field > 4);
1417
1418 for (i = 0; i < 2; i++) {
1419 if ((core == 1 && i == 1) || (core == 2 && !i))
1420 continue;
1421
1422 reg = (i == 0) ?
1423 B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;
1424 b43_phy_mask(dev, reg, 0xFBFF);
1425
1426 switch (field) {
1427 case 0:
1428 b43_phy_write(dev, reg, 0);
1429 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
1430 break;
1431 case 1:
1432 if (!i) {
1433 b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC1,
1434 0xFC3F, (value << 6));
1435 b43_phy_maskset(dev, B43_NPHY_TXF_40CO_B1S1,
1436 0xFFFE, 1);
1437 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1438 B43_NPHY_RFCTL_CMD_START);
1439 for (j = 0; j < 100; j++) {
1440 if (b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_START) {
1441 j = 0;
1442 break;
1443 }
1444 udelay(10);
1445 }
1446 if (j)
1447 b43err(dev->wl,
1448 "intc override timeout\n");
1449 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1,
1450 0xFFFE);
1451 } else {
1452 b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC2,
1453 0xFC3F, (value << 6));
1454 b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
1455 0xFFFE, 1);
1456 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1457 B43_NPHY_RFCTL_CMD_RXTX);
1458 for (j = 0; j < 100; j++) {
1459 if (b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_RXTX) {
1460 j = 0;
1461 break;
1462 }
1463 udelay(10);
1464 }
1465 if (j)
1466 b43err(dev->wl,
1467 "intc override timeout\n");
1468 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
1469 0xFFFE);
1470 }
1471 break;
1472 case 2:
1473 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
1474 tmp = 0x0020;
1475 val = value << 5;
1476 } else {
1477 tmp = 0x0010;
1478 val = value << 4;
1479 }
1480 b43_phy_maskset(dev, reg, ~tmp, val);
1481 break;
1482 case 3:
1483 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
1484 tmp = 0x0001;
1485 val = value;
1486 } else {
1487 tmp = 0x0004;
1488 val = value << 2;
1489 }
1490 b43_phy_maskset(dev, reg, ~tmp, val);
1491 break;
1492 case 4:
1493 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
1494 tmp = 0x0002;
1495 val = value << 1;
1496 } else {
1497 tmp = 0x0008;
1498 val = value << 3;
1499 }
1500 b43_phy_maskset(dev, reg, ~tmp, val);
1501 break;
1502 }
1503 }
1504}
1505
Michael Buesch95b66ba2008-01-18 01:09:25 +01001506static void b43_nphy_bphy_init(struct b43_wldev *dev)
1507{
1508 unsigned int i;
1509 u16 val;
1510
1511 val = 0x1E1F;
1512 for (i = 0; i < 14; i++) {
1513 b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
1514 val -= 0x202;
1515 }
1516 val = 0x3E3F;
1517 for (i = 0; i < 16; i++) {
1518 b43_phy_write(dev, B43_PHY_N_BMODE(0x97 + i), val);
1519 val -= 0x202;
1520 }
1521 b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
1522}
1523
Rafał Miłecki3c956272010-01-15 14:38:32 +01001524/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */
1525static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
1526 s8 offset, u8 core, u8 rail, u8 type)
1527{
1528 u16 tmp;
1529 bool core1or5 = (core == 1) || (core == 5);
1530 bool core2or5 = (core == 2) || (core == 5);
1531
1532 offset = clamp_val(offset, -32, 31);
1533 tmp = ((scale & 0x3F) << 8) | (offset & 0x3F);
1534
1535 if (core1or5 && (rail == 0) && (type == 2))
1536 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp);
1537 if (core1or5 && (rail == 1) && (type == 2))
1538 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp);
1539 if (core2or5 && (rail == 0) && (type == 2))
1540 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp);
1541 if (core2or5 && (rail == 1) && (type == 2))
1542 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp);
1543 if (core1or5 && (rail == 0) && (type == 0))
1544 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp);
1545 if (core1or5 && (rail == 1) && (type == 0))
1546 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp);
1547 if (core2or5 && (rail == 0) && (type == 0))
1548 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp);
1549 if (core2or5 && (rail == 1) && (type == 0))
1550 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp);
1551 if (core1or5 && (rail == 0) && (type == 1))
1552 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp);
1553 if (core1or5 && (rail == 1) && (type == 1))
1554 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp);
1555 if (core2or5 && (rail == 0) && (type == 1))
1556 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp);
1557 if (core2or5 && (rail == 1) && (type == 1))
1558 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp);
1559 if (core1or5 && (rail == 0) && (type == 6))
1560 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp);
1561 if (core1or5 && (rail == 1) && (type == 6))
1562 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp);
1563 if (core2or5 && (rail == 0) && (type == 6))
1564 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp);
1565 if (core2or5 && (rail == 1) && (type == 6))
1566 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp);
1567 if (core1or5 && (rail == 0) && (type == 3))
1568 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp);
1569 if (core1or5 && (rail == 1) && (type == 3))
1570 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp);
1571 if (core2or5 && (rail == 0) && (type == 3))
1572 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp);
1573 if (core2or5 && (rail == 1) && (type == 3))
1574 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp);
1575 if (core1or5 && (type == 4))
1576 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp);
1577 if (core2or5 && (type == 4))
1578 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp);
1579 if (core1or5 && (type == 5))
1580 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp);
1581 if (core2or5 && (type == 5))
1582 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp);
1583}
1584
Rafał Miłecki99b82c42010-01-30 20:18:03 +01001585static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
Rafał Miłecki3c956272010-01-15 14:38:32 +01001586{
1587 u16 val;
1588
Rafał Miłecki99b82c42010-01-30 20:18:03 +01001589 if (type < 3)
1590 val = 0;
1591 else if (type == 6)
1592 val = 1;
1593 else if (type == 3)
1594 val = 2;
1595 else
1596 val = 3;
Rafał Miłecki3c956272010-01-15 14:38:32 +01001597
Rafał Miłecki99b82c42010-01-30 20:18:03 +01001598 val = (val << 12) | (val << 14);
1599 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val);
1600 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val);
Rafał Miłecki3c956272010-01-15 14:38:32 +01001601
Rafał Miłecki99b82c42010-01-30 20:18:03 +01001602 if (type < 3) {
1603 b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF,
1604 (type + 1) << 4);
1605 b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF,
1606 (type + 1) << 4);
1607 }
1608
1609 /* TODO use some definitions */
1610 if (code == 0) {
1611 b43_phy_maskset(dev, B43_NPHY_AFECTL_OVER, 0xCFFF, 0);
Rafał Miłecki3c956272010-01-15 14:38:32 +01001612 if (type < 3) {
Rafał Miłecki99b82c42010-01-30 20:18:03 +01001613 b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFEC7, 0);
1614 b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xEFDC, 0);
1615 b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFFFE, 0);
1616 udelay(20);
1617 b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xFFFE, 0);
Rafał Miłecki3c956272010-01-15 14:38:32 +01001618 }
Rafał Miłecki99b82c42010-01-30 20:18:03 +01001619 } else {
1620 b43_phy_maskset(dev, B43_NPHY_AFECTL_OVER, 0xCFFF,
1621 0x3000);
1622 if (type < 3) {
1623 b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD,
1624 0xFEC7, 0x0180);
1625 b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
1626 0xEFDC, (code << 1 | 0x1021));
1627 b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFFFE, 0x1);
1628 udelay(20);
1629 b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xFFFE, 0);
Rafał Miłecki3c956272010-01-15 14:38:32 +01001630 }
1631 }
1632}
1633
Rafał Miłecki99b82c42010-01-30 20:18:03 +01001634static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
1635{
Rafał Miłecki6e3b15a2010-01-30 20:18:04 +01001636 struct b43_phy_n *nphy = dev->phy.n;
1637 u8 i;
1638 u16 reg, val;
1639
1640 if (code == 0) {
1641 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF);
1642 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF);
1643 b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF);
1644 b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF);
1645 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF);
1646 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF);
1647 b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3);
1648 b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3);
1649 } else {
1650 for (i = 0; i < 2; i++) {
1651 if ((code == 1 && i == 1) || (code == 2 && !i))
1652 continue;
1653
1654 reg = (i == 0) ?
1655 B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
1656 b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);
1657
1658 if (type < 3) {
1659 reg = (i == 0) ?
1660 B43_NPHY_AFECTL_C1 :
1661 B43_NPHY_AFECTL_C2;
1662 b43_phy_maskset(dev, reg, 0xFCFF, 0);
1663
1664 reg = (i == 0) ?
1665 B43_NPHY_RFCTL_LUT_TRSW_UP1 :
1666 B43_NPHY_RFCTL_LUT_TRSW_UP2;
1667 b43_phy_maskset(dev, reg, 0xFFC3, 0);
1668
1669 if (type == 0)
1670 val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8;
1671 else if (type == 1)
1672 val = 16;
1673 else
1674 val = 32;
1675 b43_phy_set(dev, reg, val);
1676
1677 reg = (i == 0) ?
1678 B43_NPHY_TXF_40CO_B1S0 :
1679 B43_NPHY_TXF_40CO_B32S1;
1680 b43_phy_set(dev, reg, 0x0020);
1681 } else {
1682 if (type == 6)
1683 val = 0x0100;
1684 else if (type == 3)
1685 val = 0x0200;
1686 else
1687 val = 0x0300;
1688
1689 reg = (i == 0) ?
1690 B43_NPHY_AFECTL_C1 :
1691 B43_NPHY_AFECTL_C2;
1692
1693 b43_phy_maskset(dev, reg, 0xFCFF, val);
1694 b43_phy_maskset(dev, reg, 0xF3FF, val << 2);
1695
1696 if (type != 3 && type != 6) {
1697 enum ieee80211_band band =
1698 b43_current_band(dev->wl);
1699
1700 if ((nphy->ipa2g_on &&
1701 band == IEEE80211_BAND_2GHZ) ||
1702 (nphy->ipa5g_on &&
1703 band == IEEE80211_BAND_5GHZ))
1704 val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
1705 else
1706 val = 0x11;
1707 reg = (i == 0) ? 0x2000 : 0x3000;
1708 reg |= B2055_PADDRV;
1709 b43_radio_write16(dev, reg, val);
1710
1711 reg = (i == 0) ?
1712 B43_NPHY_AFECTL_OVER1 :
1713 B43_NPHY_AFECTL_OVER;
1714 b43_phy_set(dev, reg, 0x0200);
1715 }
1716 }
1717 }
1718 }
Rafał Miłecki99b82c42010-01-30 20:18:03 +01001719}
1720
1721/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
1722static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
1723{
1724 if (dev->phy.rev >= 3)
1725 b43_nphy_rev3_rssi_select(dev, code, type);
1726 else
1727 b43_nphy_rev2_rssi_select(dev, code, type);
1728}
1729
Rafał Miłeckidfb4aa52010-01-15 14:45:13 +01001730/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
1731static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, u8 type, u8 *buf)
1732{
1733 int i;
1734 for (i = 0; i < 2; i++) {
1735 if (type == 2) {
1736 if (i == 0) {
1737 b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
1738 0xFC, buf[0]);
1739 b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
1740 0xFC, buf[1]);
1741 } else {
1742 b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM,
1743 0xFC, buf[2 * i]);
1744 b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
1745 0xFC, buf[2 * i + 1]);
1746 }
1747 } else {
1748 if (i == 0)
1749 b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
1750 0xF3, buf[0] << 2);
1751 else
1752 b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
1753 0xF3, buf[2 * i + 1] << 2);
1754 }
1755 }
1756}
1757
1758/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
1759static int b43_nphy_poll_rssi(struct b43_wldev *dev, u8 type, s32 *buf,
1760 u8 nsamp)
1761{
1762 int i;
1763 int out;
1764 u16 save_regs_phy[9];
1765 u16 s[2];
1766
1767 if (dev->phy.rev >= 3) {
1768 save_regs_phy[0] = b43_phy_read(dev,
1769 B43_NPHY_RFCTL_LUT_TRSW_UP1);
1770 save_regs_phy[1] = b43_phy_read(dev,
1771 B43_NPHY_RFCTL_LUT_TRSW_UP2);
1772 save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
1773 save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
1774 save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
1775 save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
1776 save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0);
1777 save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1);
1778 }
1779
1780 b43_nphy_rssi_select(dev, 5, type);
1781
1782 if (dev->phy.rev < 2) {
1783 save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
1784 b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5);
1785 }
1786
1787 for (i = 0; i < 4; i++)
1788 buf[i] = 0;
1789
1790 for (i = 0; i < nsamp; i++) {
1791 if (dev->phy.rev < 2) {
1792 s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT);
1793 s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT);
1794 } else {
1795 s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
1796 s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
1797 }
1798
1799 buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2;
1800 buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2;
1801 buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2;
1802 buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2;
1803 }
1804 out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 |
1805 (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF);
1806
1807 if (dev->phy.rev < 2)
1808 b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);
1809
1810 if (dev->phy.rev >= 3) {
1811 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
1812 save_regs_phy[0]);
1813 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
1814 save_regs_phy[1]);
1815 b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[2]);
1816 b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[3]);
1817 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]);
1818 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]);
1819 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]);
1820 b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]);
1821 }
1822
1823 return out;
1824}
1825
Rafał Miłecki4cb99772010-01-15 13:40:58 +01001826/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
1827static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
Michael Buesch95b66ba2008-01-18 01:09:25 +01001828{
Rafał Miłecki90b97382010-01-15 14:48:21 +01001829 int i, j;
1830 u8 state[4];
1831 u8 code, val;
1832 u16 class, override;
1833 u8 regs_save_radio[2];
1834 u16 regs_save_phy[2];
1835 s8 offset[4];
1836
1837 u16 clip_state[2];
1838 u16 clip_off[2] = { 0xFFFF, 0xFFFF };
1839 s32 results_min[4] = { };
1840 u8 vcm_final[4] = { };
1841 s32 results[4][4] = { };
1842 s32 miniq[4][2] = { };
1843
1844 if (type == 2) {
1845 code = 0;
1846 val = 6;
1847 } else if (type < 2) {
1848 code = 25;
1849 val = 4;
1850 } else {
1851 B43_WARN_ON(1);
1852 return;
1853 }
1854
1855 class = b43_nphy_classifier(dev, 0, 0);
1856 b43_nphy_classifier(dev, 7, 4);
1857 b43_nphy_read_clip_detection(dev, clip_state);
1858 b43_nphy_write_clip_detection(dev, clip_off);
1859
1860 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
1861 override = 0x140;
1862 else
1863 override = 0x110;
1864
1865 regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
1866 regs_save_radio[0] = b43_radio_read16(dev, B2055_C1_PD_RXTX);
1867 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
1868 b43_radio_write16(dev, B2055_C1_PD_RXTX, val);
1869
1870 regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
1871 regs_save_radio[1] = b43_radio_read16(dev, B2055_C2_PD_RXTX);
1872 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
1873 b43_radio_write16(dev, B2055_C2_PD_RXTX, val);
1874
1875 state[0] = b43_radio_read16(dev, B2055_C1_PD_RSSIMISC) & 0x07;
1876 state[1] = b43_radio_read16(dev, B2055_C2_PD_RSSIMISC) & 0x07;
1877 b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
1878 b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
1879 state[2] = b43_radio_read16(dev, B2055_C1_SP_RSSI) & 0x07;
1880 state[3] = b43_radio_read16(dev, B2055_C2_SP_RSSI) & 0x07;
1881
1882 b43_nphy_rssi_select(dev, 5, type);
1883 b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 0, type);
1884 b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 1, type);
1885
1886 for (i = 0; i < 4; i++) {
1887 u8 tmp[4];
1888 for (j = 0; j < 4; j++)
1889 tmp[j] = i;
1890 if (type != 1)
1891 b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
1892 b43_nphy_poll_rssi(dev, type, results[i], 8);
1893 if (type < 2)
1894 for (j = 0; j < 2; j++)
1895 miniq[i][j] = min(results[i][2 * j],
1896 results[i][2 * j + 1]);
1897 }
1898
1899 for (i = 0; i < 4; i++) {
1900 s32 mind = 40;
1901 u8 minvcm = 0;
1902 s32 minpoll = 249;
1903 s32 curr;
1904 for (j = 0; j < 4; j++) {
1905 if (type == 2)
1906 curr = abs(results[j][i]);
1907 else
1908 curr = abs(miniq[j][i / 2] - code * 8);
1909
1910 if (curr < mind) {
1911 mind = curr;
1912 minvcm = j;
1913 }
1914
1915 if (results[j][i] < minpoll)
1916 minpoll = results[j][i];
1917 }
1918 results_min[i] = minpoll;
1919 vcm_final[i] = minvcm;
1920 }
1921
1922 if (type != 1)
1923 b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
1924
1925 for (i = 0; i < 4; i++) {
1926 offset[i] = (code * 8) - results[vcm_final[i]][i];
1927
1928 if (offset[i] < 0)
1929 offset[i] = -((abs(offset[i]) + 4) / 8);
1930 else
1931 offset[i] = (offset[i] + 4) / 8;
1932
1933 if (results_min[i] == 248)
1934 offset[i] = code - 32;
1935
1936 if (i % 2 == 0)
1937 b43_nphy_scale_offset_rssi(dev, 0, offset[i], 1, 0,
1938 type);
1939 else
1940 b43_nphy_scale_offset_rssi(dev, 0, offset[i], 2, 1,
1941 type);
1942 }
1943
1944 b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
1945 b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[1]);
1946
1947 switch (state[2]) {
1948 case 1:
1949 b43_nphy_rssi_select(dev, 1, 2);
1950 break;
1951 case 4:
1952 b43_nphy_rssi_select(dev, 1, 0);
1953 break;
1954 case 2:
1955 b43_nphy_rssi_select(dev, 1, 1);
1956 break;
1957 default:
1958 b43_nphy_rssi_select(dev, 1, 1);
1959 break;
1960 }
1961
1962 switch (state[3]) {
1963 case 1:
1964 b43_nphy_rssi_select(dev, 2, 2);
1965 break;
1966 case 4:
1967 b43_nphy_rssi_select(dev, 2, 0);
1968 break;
1969 default:
1970 b43_nphy_rssi_select(dev, 2, 1);
1971 break;
1972 }
1973
1974 b43_nphy_rssi_select(dev, 0, type);
1975
1976 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
1977 b43_radio_write16(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
1978 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
1979 b43_radio_write16(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);
1980
1981 b43_nphy_classifier(dev, 7, class);
1982 b43_nphy_write_clip_detection(dev, clip_state);
Rafał Miłecki4cb99772010-01-15 13:40:58 +01001983}
1984
1985/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
1986static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
1987{
1988 /* TODO */
1989}
1990
1991/*
1992 * RSSI Calibration
1993 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal
1994 */
1995static void b43_nphy_rssi_cal(struct b43_wldev *dev)
1996{
1997 if (dev->phy.rev >= 3) {
1998 b43_nphy_rev3_rssi_cal(dev);
1999 } else {
2000 b43_nphy_rev2_rssi_cal(dev, 2);
2001 b43_nphy_rev2_rssi_cal(dev, 0);
2002 b43_nphy_rev2_rssi_cal(dev, 1);
2003 }
Michael Buesch95b66ba2008-01-18 01:09:25 +01002004}
2005
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01002006/*
Rafał Miłecki42e15472010-01-15 15:06:47 +01002007 * Restore RSSI Calibration
2008 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal
2009 */
2010static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
2011{
2012 struct b43_phy_n *nphy = dev->phy.n;
2013
2014 u16 *rssical_radio_regs = NULL;
2015 u16 *rssical_phy_regs = NULL;
2016
2017 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2018 if (!nphy->rssical_chanspec_2G)
2019 return;
2020 rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
2021 rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
2022 } else {
2023 if (!nphy->rssical_chanspec_5G)
2024 return;
2025 rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
2026 rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
2027 }
2028
2029 /* TODO use some definitions */
2030 b43_radio_maskset(dev, 0x602B, 0xE3, rssical_radio_regs[0]);
2031 b43_radio_maskset(dev, 0x702B, 0xE3, rssical_radio_regs[1]);
2032
2033 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]);
2034 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]);
2035 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]);
2036 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]);
2037
2038 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]);
2039 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]);
2040 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]);
2041 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]);
2042
2043 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]);
2044 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]);
2045 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]);
2046 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]);
2047}
2048
Rafał Miłecki2f258b72010-01-15 15:18:35 +01002049/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetIpaGainTbl */
2050static const u32 *b43_nphy_get_ipa_gain_table(struct b43_wldev *dev)
2051{
2052 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2053 if (dev->phy.rev >= 6) {
2054 /* TODO If the chip is 47162
2055 return txpwrctrl_tx_gain_ipa_rev5 */
2056 return txpwrctrl_tx_gain_ipa_rev6;
2057 } else if (dev->phy.rev >= 5) {
2058 return txpwrctrl_tx_gain_ipa_rev5;
2059 } else {
2060 return txpwrctrl_tx_gain_ipa;
2061 }
2062 } else {
2063 return txpwrctrl_tx_gain_ipa_5g;
2064 }
2065}
2066
Rafał Miłeckic4a92002010-01-15 15:55:18 +01002067/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */
2068static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
2069{
2070 struct b43_phy_n *nphy = dev->phy.n;
2071 u16 *save = nphy->tx_rx_cal_radio_saveregs;
Rafał Miłecki52cb5e92010-01-30 20:18:06 +01002072 u16 tmp;
2073 u8 offset, i;
Rafał Miłeckic4a92002010-01-15 15:55:18 +01002074
2075 if (dev->phy.rev >= 3) {
Rafał Miłecki52cb5e92010-01-30 20:18:06 +01002076 for (i = 0; i < 2; i++) {
2077 tmp = (i == 0) ? 0x2000 : 0x3000;
2078 offset = i * 11;
2079
2080 save[offset + 0] = b43_radio_read16(dev, B2055_CAL_RVARCTL);
2081 save[offset + 1] = b43_radio_read16(dev, B2055_CAL_LPOCTL);
2082 save[offset + 2] = b43_radio_read16(dev, B2055_CAL_TS);
2083 save[offset + 3] = b43_radio_read16(dev, B2055_CAL_RCCALRTS);
2084 save[offset + 4] = b43_radio_read16(dev, B2055_CAL_RCALRTS);
2085 save[offset + 5] = b43_radio_read16(dev, B2055_PADDRV);
2086 save[offset + 6] = b43_radio_read16(dev, B2055_XOCTL1);
2087 save[offset + 7] = b43_radio_read16(dev, B2055_XOCTL2);
2088 save[offset + 8] = b43_radio_read16(dev, B2055_XOREGUL);
2089 save[offset + 9] = b43_radio_read16(dev, B2055_XOMISC);
2090 save[offset + 10] = b43_radio_read16(dev, B2055_PLL_LFC1);
2091
2092 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
2093 b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x0A);
2094 b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
2095 b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
2096 b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
2097 b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
2098 if (nphy->ipa5g_on) {
2099 b43_radio_write16(dev, tmp | B2055_PADDRV, 4);
2100 b43_radio_write16(dev, tmp | B2055_XOCTL1, 1);
2101 } else {
2102 b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
2103 b43_radio_write16(dev, tmp | B2055_XOCTL1, 0x2F);
2104 }
2105 b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
2106 } else {
2107 b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x06);
2108 b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
2109 b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
2110 b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
2111 b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
2112 b43_radio_write16(dev, tmp | B2055_XOCTL1, 0);
2113 if (nphy->ipa2g_on) {
2114 b43_radio_write16(dev, tmp | B2055_PADDRV, 6);
2115 b43_radio_write16(dev, tmp | B2055_XOCTL2,
2116 (dev->phy.rev < 5) ? 0x11 : 0x01);
2117 } else {
2118 b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
2119 b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
2120 }
2121 }
2122 b43_radio_write16(dev, tmp | B2055_XOREGUL, 0);
2123 b43_radio_write16(dev, tmp | B2055_XOMISC, 0);
2124 b43_radio_write16(dev, tmp | B2055_PLL_LFC1, 0);
2125 }
Rafał Miłeckic4a92002010-01-15 15:55:18 +01002126 } else {
2127 save[0] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL1);
2128 b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL1, 0x29);
2129
2130 save[1] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL2);
2131 b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL2, 0x54);
2132
2133 save[2] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL1);
2134 b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL1, 0x29);
2135
2136 save[3] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL2);
2137 b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL2, 0x54);
2138
2139 save[3] = b43_radio_read16(dev, B2055_C1_PWRDET_RXTX);
2140 save[4] = b43_radio_read16(dev, B2055_C2_PWRDET_RXTX);
2141
2142 if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) &
2143 B43_NPHY_BANDCTL_5GHZ)) {
2144 b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x04);
2145 b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x04);
2146 } else {
2147 b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x20);
2148 b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x20);
2149 }
2150
2151 if (dev->phy.rev < 2) {
2152 b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20);
2153 b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20);
2154 } else {
2155 b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20);
2156 b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20);
2157 }
2158 }
2159}
2160
Rafał Miłeckie9762492010-01-15 16:08:25 +01002161/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
2162static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
2163 struct nphy_txgains target,
2164 struct nphy_iqcal_params *params)
2165{
2166 int i, j, indx;
2167 u16 gain;
2168
2169 if (dev->phy.rev >= 3) {
2170 params->txgm = target.txgm[core];
2171 params->pga = target.pga[core];
2172 params->pad = target.pad[core];
2173 params->ipa = target.ipa[core];
2174 params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
2175 (params->pad << 4) | (params->ipa);
2176 for (j = 0; j < 5; j++)
2177 params->ncorr[j] = 0x79;
2178 } else {
2179 gain = (target.pad[core]) | (target.pga[core] << 4) |
2180 (target.txgm[core] << 8);
2181
2182 indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
2183 1 : 0;
2184 for (i = 0; i < 9; i++)
2185 if (tbl_iqcal_gainparams[indx][i][0] == gain)
2186 break;
2187 i = min(i, 8);
2188
2189 params->txgm = tbl_iqcal_gainparams[indx][i][1];
2190 params->pga = tbl_iqcal_gainparams[indx][i][2];
2191 params->pad = tbl_iqcal_gainparams[indx][i][3];
2192 params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
2193 (params->pad << 2);
2194 for (j = 0; j < 4; j++)
2195 params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
2196 }
2197}
2198
Rafał Miłeckide7ed0c2010-01-15 16:06:35 +01002199/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
2200static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
2201{
2202 struct b43_phy_n *nphy = dev->phy.n;
2203 int i;
2204 u16 scale, entry;
2205
2206 u16 tmp = nphy->txcal_bbmult;
2207 if (core == 0)
2208 tmp >>= 8;
2209 tmp &= 0xff;
2210
2211 for (i = 0; i < 18; i++) {
2212 scale = (ladder_lo[i].percent * tmp) / 100;
2213 entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env;
Rafał Miłeckid41a3552010-01-18 00:21:17 +01002214 b43_ntab_write(dev, B43_NTAB16(15, i), entry);
Rafał Miłeckide7ed0c2010-01-15 16:06:35 +01002215
2216 scale = (ladder_iq[i].percent * tmp) / 100;
2217 entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;
Rafał Miłeckid41a3552010-01-18 00:21:17 +01002218 b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry);
Rafał Miłeckide7ed0c2010-01-15 16:06:35 +01002219 }
2220}
2221
Rafał Miłecki45ca6972010-01-22 01:53:15 +01002222/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */
2223static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev)
2224{
2225 int i;
2226 for (i = 0; i < 15; i++)
2227 b43_phy_write(dev, B43_PHY_N(0x2C5 + i),
2228 tbl_tx_filter_coef_rev4[2][i]);
2229}
2230
2231/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */
2232static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev)
2233{
2234 int i, j;
2235 /* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */
2236 u16 offset[] = { 0x186, 0x195, 0x2C5 };
2237
2238 for (i = 0; i < 3; i++)
2239 for (j = 0; j < 15; j++)
2240 b43_phy_write(dev, B43_PHY_N(offset[i] + j),
2241 tbl_tx_filter_coef_rev4[i][j]);
2242
2243 if (dev->phy.is_40mhz) {
2244 for (j = 0; j < 15; j++)
2245 b43_phy_write(dev, B43_PHY_N(offset[0] + j),
2246 tbl_tx_filter_coef_rev4[3][j]);
2247 } else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
2248 for (j = 0; j < 15; j++)
2249 b43_phy_write(dev, B43_PHY_N(offset[0] + j),
2250 tbl_tx_filter_coef_rev4[5][j]);
2251 }
2252
2253 if (dev->phy.channel == 14)
2254 for (j = 0; j < 15; j++)
2255 b43_phy_write(dev, B43_PHY_N(offset[0] + j),
2256 tbl_tx_filter_coef_rev4[6][j]);
2257}
2258
Rafał Miłeckib0022e12010-01-15 15:40:50 +01002259/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
2260static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
2261{
2262 struct b43_phy_n *nphy = dev->phy.n;
2263
2264 u16 curr_gain[2];
2265 struct nphy_txgains target;
2266 const u32 *table = NULL;
2267
2268 if (nphy->txpwrctrl == 0) {
2269 int i;
2270
2271 if (nphy->hang_avoid)
2272 b43_nphy_stay_in_carrier_search(dev, true);
Rafał Miłecki91458342010-01-18 00:21:35 +01002273 b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain);
Rafał Miłeckib0022e12010-01-15 15:40:50 +01002274 if (nphy->hang_avoid)
2275 b43_nphy_stay_in_carrier_search(dev, false);
2276
2277 for (i = 0; i < 2; ++i) {
2278 if (dev->phy.rev >= 3) {
2279 target.ipa[i] = curr_gain[i] & 0x000F;
2280 target.pad[i] = (curr_gain[i] & 0x00F0) >> 4;
2281 target.pga[i] = (curr_gain[i] & 0x0F00) >> 8;
2282 target.txgm[i] = (curr_gain[i] & 0x7000) >> 12;
2283 } else {
2284 target.ipa[i] = curr_gain[i] & 0x0003;
2285 target.pad[i] = (curr_gain[i] & 0x000C) >> 2;
2286 target.pga[i] = (curr_gain[i] & 0x0070) >> 4;
2287 target.txgm[i] = (curr_gain[i] & 0x0380) >> 7;
2288 }
2289 }
2290 } else {
2291 int i;
2292 u16 index[2];
2293 index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) &
2294 B43_NPHY_TXPCTL_STAT_BIDX) >>
2295 B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
2296 index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) &
2297 B43_NPHY_TXPCTL_STAT_BIDX) >>
2298 B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
2299
2300 for (i = 0; i < 2; ++i) {
2301 if (dev->phy.rev >= 3) {
2302 enum ieee80211_band band =
2303 b43_current_band(dev->wl);
2304
2305 if ((nphy->ipa2g_on &&
2306 band == IEEE80211_BAND_2GHZ) ||
2307 (nphy->ipa5g_on &&
2308 band == IEEE80211_BAND_5GHZ)) {
2309 table = b43_nphy_get_ipa_gain_table(dev);
2310 } else {
2311 if (band == IEEE80211_BAND_5GHZ) {
2312 if (dev->phy.rev == 3)
2313 table = b43_ntab_tx_gain_rev3_5ghz;
2314 else if (dev->phy.rev == 4)
2315 table = b43_ntab_tx_gain_rev4_5ghz;
2316 else
2317 table = b43_ntab_tx_gain_rev5plus_5ghz;
2318 } else {
2319 table = b43_ntab_tx_gain_rev3plus_2ghz;
2320 }
2321 }
2322
2323 target.ipa[i] = (table[index[i]] >> 16) & 0xF;
2324 target.pad[i] = (table[index[i]] >> 20) & 0xF;
2325 target.pga[i] = (table[index[i]] >> 24) & 0xF;
2326 target.txgm[i] = (table[index[i]] >> 28) & 0xF;
2327 } else {
2328 table = b43_ntab_tx_gain_rev0_1_2;
2329
2330 target.ipa[i] = (table[index[i]] >> 16) & 0x3;
2331 target.pad[i] = (table[index[i]] >> 18) & 0x3;
2332 target.pga[i] = (table[index[i]] >> 20) & 0x7;
2333 target.txgm[i] = (table[index[i]] >> 23) & 0x7;
2334 }
2335 }
2336 }
2337
2338 return target;
2339}
2340
Rafał Miłeckie53de672010-01-17 13:03:32 +01002341/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhyCleanup */
2342static void b43_nphy_tx_cal_phy_cleanup(struct b43_wldev *dev)
2343{
2344 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
2345
2346 if (dev->phy.rev >= 3) {
2347 b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[0]);
2348 b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
2349 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
2350 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[3]);
2351 b43_phy_write(dev, B43_NPHY_BBCFG, regs[4]);
Rafał Miłeckid41a3552010-01-18 00:21:17 +01002352 b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]);
2353 b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]);
Rafał Miłeckie53de672010-01-17 13:03:32 +01002354 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[7]);
2355 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[8]);
2356 b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
2357 b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
2358 b43_nphy_reset_cca(dev);
2359 } else {
2360 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, regs[0]);
2361 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, regs[1]);
2362 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
Rafał Miłeckid41a3552010-01-18 00:21:17 +01002363 b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]);
2364 b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]);
Rafał Miłeckie53de672010-01-17 13:03:32 +01002365 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[5]);
2366 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[6]);
2367 }
2368}
2369
2370/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */
2371static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev)
2372{
2373 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
2374 u16 tmp;
2375
2376 regs[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
2377 regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
2378 if (dev->phy.rev >= 3) {
2379 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0xF0FF, 0x0A00);
2380 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0xF0FF, 0x0A00);
2381
2382 tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
2383 regs[2] = tmp;
2384 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, tmp | 0x0600);
2385
2386 tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
2387 regs[3] = tmp;
2388 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x0600);
2389
2390 regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG);
Rafał Miłeckide9a47f2010-01-18 00:21:49 +01002391 b43_phy_mask(dev, B43_NPHY_BBCFG, (u16)~B43_NPHY_BBCFG_RSTRX);
Rafał Miłeckie53de672010-01-17 13:03:32 +01002392
Rafał Miłeckic643a662010-01-18 00:21:27 +01002393 tmp = b43_ntab_read(dev, B43_NTAB16(8, 3));
Rafał Miłeckie53de672010-01-17 13:03:32 +01002394 regs[5] = tmp;
Rafał Miłeckid41a3552010-01-18 00:21:17 +01002395 b43_ntab_write(dev, B43_NTAB16(8, 3), 0);
Rafał Miłeckic643a662010-01-18 00:21:27 +01002396
2397 tmp = b43_ntab_read(dev, B43_NTAB16(8, 19));
Rafał Miłeckie53de672010-01-17 13:03:32 +01002398 regs[6] = tmp;
Rafał Miłeckid41a3552010-01-18 00:21:17 +01002399 b43_ntab_write(dev, B43_NTAB16(8, 19), 0);
Rafał Miłeckie53de672010-01-17 13:03:32 +01002400 regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
2401 regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
2402
Rafał Miłecki67cbc3e2010-02-04 12:23:08 +01002403 b43_nphy_rf_control_intc_override(dev, 2, 1, 3);
2404 b43_nphy_rf_control_intc_override(dev, 1, 2, 1);
2405 b43_nphy_rf_control_intc_override(dev, 1, 8, 2);
Rafał Miłeckie53de672010-01-17 13:03:32 +01002406
2407 regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
2408 regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
2409 b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
2410 b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
2411 } else {
2412 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, 0xA000);
2413 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, 0xA000);
2414 tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
2415 regs[2] = tmp;
2416 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000);
Rafał Miłeckic643a662010-01-18 00:21:27 +01002417 tmp = b43_ntab_read(dev, B43_NTAB16(8, 2));
Rafał Miłeckie53de672010-01-17 13:03:32 +01002418 regs[3] = tmp;
2419 tmp |= 0x2000;
Rafał Miłeckid41a3552010-01-18 00:21:17 +01002420 b43_ntab_write(dev, B43_NTAB16(8, 2), tmp);
Rafał Miłeckic643a662010-01-18 00:21:27 +01002421 tmp = b43_ntab_read(dev, B43_NTAB16(8, 18));
Rafał Miłeckie53de672010-01-17 13:03:32 +01002422 regs[4] = tmp;
2423 tmp |= 0x2000;
Rafał Miłeckid41a3552010-01-18 00:21:17 +01002424 b43_ntab_write(dev, B43_NTAB16(8, 18), tmp);
Rafał Miłeckie53de672010-01-17 13:03:32 +01002425 regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
2426 regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
2427 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
2428 tmp = 0x0180;
2429 else
2430 tmp = 0x0120;
2431 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
2432 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
2433 }
2434}
2435
Rafał Miłeckibbc6dc12010-02-04 12:23:11 +01002436/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */
2437static void b43_nphy_save_cal(struct b43_wldev *dev)
2438{
2439 struct b43_phy_n *nphy = dev->phy.n;
2440
2441 struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
2442 u16 *txcal_radio_regs = NULL;
2443 u8 *iqcal_chanspec;
2444 u16 *table = NULL;
2445
2446 if (nphy->hang_avoid)
2447 b43_nphy_stay_in_carrier_search(dev, 1);
2448
2449 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2450 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
2451 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
2452 iqcal_chanspec = &nphy->iqcal_chanspec_2G;
2453 table = nphy->cal_cache.txcal_coeffs_2G;
2454 } else {
2455 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
2456 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
2457 iqcal_chanspec = &nphy->iqcal_chanspec_5G;
2458 table = nphy->cal_cache.txcal_coeffs_5G;
2459 }
2460
2461 b43_nphy_rx_iq_coeffs(dev, false, rxcal_coeffs);
2462 /* TODO use some definitions */
2463 if (dev->phy.rev >= 3) {
2464 txcal_radio_regs[0] = b43_radio_read(dev, 0x2021);
2465 txcal_radio_regs[1] = b43_radio_read(dev, 0x2022);
2466 txcal_radio_regs[2] = b43_radio_read(dev, 0x3021);
2467 txcal_radio_regs[3] = b43_radio_read(dev, 0x3022);
2468 txcal_radio_regs[4] = b43_radio_read(dev, 0x2023);
2469 txcal_radio_regs[5] = b43_radio_read(dev, 0x2024);
2470 txcal_radio_regs[6] = b43_radio_read(dev, 0x3023);
2471 txcal_radio_regs[7] = b43_radio_read(dev, 0x3024);
2472 } else {
2473 txcal_radio_regs[0] = b43_radio_read(dev, 0x8B);
2474 txcal_radio_regs[1] = b43_radio_read(dev, 0xBA);
2475 txcal_radio_regs[2] = b43_radio_read(dev, 0x8D);
2476 txcal_radio_regs[3] = b43_radio_read(dev, 0xBC);
2477 }
2478 *iqcal_chanspec = nphy->radio_chanspec;
2479 b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 8, table);
2480
2481 if (nphy->hang_avoid)
2482 b43_nphy_stay_in_carrier_search(dev, 0);
2483}
2484
Rafał Miłecki2f258b72010-01-15 15:18:35 +01002485/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */
2486static void b43_nphy_restore_cal(struct b43_wldev *dev)
2487{
2488 struct b43_phy_n *nphy = dev->phy.n;
2489
2490 u16 coef[4];
2491 u16 *loft = NULL;
2492 u16 *table = NULL;
2493
2494 int i;
2495 u16 *txcal_radio_regs = NULL;
2496 struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
2497
2498 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2499 if (nphy->iqcal_chanspec_2G == 0)
2500 return;
2501 table = nphy->cal_cache.txcal_coeffs_2G;
2502 loft = &nphy->cal_cache.txcal_coeffs_2G[5];
2503 } else {
2504 if (nphy->iqcal_chanspec_5G == 0)
2505 return;
2506 table = nphy->cal_cache.txcal_coeffs_5G;
2507 loft = &nphy->cal_cache.txcal_coeffs_5G[5];
2508 }
2509
Rafał Miłecki2581b142010-01-18 00:21:21 +01002510 b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table);
Rafał Miłecki2f258b72010-01-15 15:18:35 +01002511
2512 for (i = 0; i < 4; i++) {
2513 if (dev->phy.rev >= 3)
2514 table[i] = coef[i];
2515 else
2516 coef[i] = 0;
2517 }
2518
Rafał Miłecki2581b142010-01-18 00:21:21 +01002519 b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef);
2520 b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft);
2521 b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft);
Rafał Miłecki2f258b72010-01-15 15:18:35 +01002522
2523 if (dev->phy.rev < 2)
2524 b43_nphy_tx_iq_workaround(dev);
2525
2526 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2527 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
2528 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
2529 } else {
2530 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
2531 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
2532 }
2533
2534 /* TODO use some definitions */
2535 if (dev->phy.rev >= 3) {
2536 b43_radio_write(dev, 0x2021, txcal_radio_regs[0]);
2537 b43_radio_write(dev, 0x2022, txcal_radio_regs[1]);
2538 b43_radio_write(dev, 0x3021, txcal_radio_regs[2]);
2539 b43_radio_write(dev, 0x3022, txcal_radio_regs[3]);
2540 b43_radio_write(dev, 0x2023, txcal_radio_regs[4]);
2541 b43_radio_write(dev, 0x2024, txcal_radio_regs[5]);
2542 b43_radio_write(dev, 0x3023, txcal_radio_regs[6]);
2543 b43_radio_write(dev, 0x3024, txcal_radio_regs[7]);
2544 } else {
2545 b43_radio_write(dev, 0x8B, txcal_radio_regs[0]);
2546 b43_radio_write(dev, 0xBA, txcal_radio_regs[1]);
2547 b43_radio_write(dev, 0x8D, txcal_radio_regs[2]);
2548 b43_radio_write(dev, 0xBC, txcal_radio_regs[3]);
2549 }
2550 b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs);
2551}
2552
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +01002553/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalTxIqlo */
2554static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
2555 struct nphy_txgains target,
2556 bool full, bool mphase)
2557{
2558 struct b43_phy_n *nphy = dev->phy.n;
2559 int i;
2560 int error = 0;
2561 int freq;
2562 bool avoid = false;
2563 u8 length;
2564 u16 tmp, core, type, count, max, numb, last, cmd;
2565 const u16 *table;
2566 bool phy6or5x;
2567
2568 u16 buffer[11];
2569 u16 diq_start = 0;
2570 u16 save[2];
2571 u16 gain[2];
2572 struct nphy_iqcal_params params[2];
2573 bool updated[2] = { };
2574
2575 b43_nphy_stay_in_carrier_search(dev, true);
2576
2577 if (dev->phy.rev >= 4) {
2578 avoid = nphy->hang_avoid;
2579 nphy->hang_avoid = 0;
2580 }
2581
Rafał Miłecki91458342010-01-18 00:21:35 +01002582 b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +01002583
2584 for (i = 0; i < 2; i++) {
2585 b43_nphy_iq_cal_gain_params(dev, i, target, &params[i]);
2586 gain[i] = params[i].cal_gain;
2587 }
Rafał Miłecki2581b142010-01-18 00:21:21 +01002588
2589 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +01002590
2591 b43_nphy_tx_cal_radio_setup(dev);
Rafał Miłeckie53de672010-01-17 13:03:32 +01002592 b43_nphy_tx_cal_phy_setup(dev);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +01002593
2594 phy6or5x = dev->phy.rev >= 6 ||
2595 (dev->phy.rev == 5 && nphy->ipa2g_on &&
2596 b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ);
2597 if (phy6or5x) {
Rafał Miłecki38bb9022010-01-30 20:18:05 +01002598 if (dev->phy.is_40mhz) {
2599 b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
2600 tbl_tx_iqlo_cal_loft_ladder_40);
2601 b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
2602 tbl_tx_iqlo_cal_iqimb_ladder_40);
2603 } else {
2604 b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
2605 tbl_tx_iqlo_cal_loft_ladder_20);
2606 b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
2607 tbl_tx_iqlo_cal_iqimb_ladder_20);
2608 }
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +01002609 }
2610
2611 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9);
2612
Rafał Miłeckiaa4c7b22010-01-22 01:53:12 +01002613 if (!dev->phy.is_40mhz)
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +01002614 freq = 2500;
2615 else
2616 freq = 5000;
2617
2618 if (nphy->mphase_cal_phase_id > 2)
Rafał Miłecki10a79872010-01-22 01:53:14 +01002619 b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8,
2620 0xFFFF, 0, true, false);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +01002621 else
Rafał Miłecki59af0992010-01-22 01:53:16 +01002622 error = b43_nphy_tx_tone(dev, freq, 250, true, false);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +01002623
2624 if (error == 0) {
2625 if (nphy->mphase_cal_phase_id > 2) {
2626 table = nphy->mphase_txcal_bestcoeffs;
2627 length = 11;
2628 if (dev->phy.rev < 3)
2629 length -= 2;
2630 } else {
2631 if (!full && nphy->txiqlocal_coeffsvalid) {
2632 table = nphy->txiqlocal_bestc;
2633 length = 11;
2634 if (dev->phy.rev < 3)
2635 length -= 2;
2636 } else {
2637 full = true;
2638 if (dev->phy.rev >= 3) {
2639 table = tbl_tx_iqlo_cal_startcoefs_nphyrev3;
2640 length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS_REV3;
2641 } else {
2642 table = tbl_tx_iqlo_cal_startcoefs;
2643 length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS;
2644 }
2645 }
2646 }
2647
Rafał Miłecki2581b142010-01-18 00:21:21 +01002648 b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +01002649
2650 if (full) {
2651 if (dev->phy.rev >= 3)
2652 max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3;
2653 else
2654 max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL;
2655 } else {
2656 if (dev->phy.rev >= 3)
2657 max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL_REV3;
2658 else
2659 max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL;
2660 }
2661
2662 if (mphase) {
2663 count = nphy->mphase_txcal_cmdidx;
2664 numb = min(max,
2665 (u16)(count + nphy->mphase_txcal_numcmds));
2666 } else {
2667 count = 0;
2668 numb = max;
2669 }
2670
2671 for (; count < numb; count++) {
2672 if (full) {
2673 if (dev->phy.rev >= 3)
2674 cmd = tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[count];
2675 else
2676 cmd = tbl_tx_iqlo_cal_cmds_fullcal[count];
2677 } else {
2678 if (dev->phy.rev >= 3)
2679 cmd = tbl_tx_iqlo_cal_cmds_recal_nphyrev3[count];
2680 else
2681 cmd = tbl_tx_iqlo_cal_cmds_recal[count];
2682 }
2683
2684 core = (cmd & 0x3000) >> 12;
2685 type = (cmd & 0x0F00) >> 8;
2686
2687 if (phy6or5x && updated[core] == 0) {
2688 b43_nphy_update_tx_cal_ladder(dev, core);
2689 updated[core] = 1;
2690 }
2691
2692 tmp = (params[core].ncorr[type] << 8) | 0x66;
2693 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp);
2694
2695 if (type == 1 || type == 3 || type == 4) {
Rafał Miłeckic643a662010-01-18 00:21:27 +01002696 buffer[0] = b43_ntab_read(dev,
2697 B43_NTAB16(15, 69 + core));
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +01002698 diq_start = buffer[0];
2699 buffer[0] = 0;
Rafał Miłeckid41a3552010-01-18 00:21:17 +01002700 b43_ntab_write(dev, B43_NTAB16(15, 69 + core),
2701 0);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +01002702 }
2703
2704 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMD, cmd);
2705 for (i = 0; i < 2000; i++) {
2706 tmp = b43_phy_read(dev, B43_NPHY_IQLOCAL_CMD);
2707 if (tmp & 0xC000)
2708 break;
2709 udelay(10);
2710 }
2711
Rafał Miłecki91458342010-01-18 00:21:35 +01002712 b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
2713 buffer);
Rafał Miłecki2581b142010-01-18 00:21:21 +01002714 b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length,
2715 buffer);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +01002716
2717 if (type == 1 || type == 3 || type == 4)
2718 buffer[0] = diq_start;
2719 }
2720
2721 if (mphase)
2722 nphy->mphase_txcal_cmdidx = (numb >= max) ? 0 : numb;
2723
2724 last = (dev->phy.rev < 3) ? 6 : 7;
2725
2726 if (!mphase || nphy->mphase_cal_phase_id == last) {
Rafał Miłecki2581b142010-01-18 00:21:21 +01002727 b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer);
Rafał Miłecki91458342010-01-18 00:21:35 +01002728 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +01002729 if (dev->phy.rev < 3) {
2730 buffer[0] = 0;
2731 buffer[1] = 0;
2732 buffer[2] = 0;
2733 buffer[3] = 0;
2734 }
Rafał Miłecki2581b142010-01-18 00:21:21 +01002735 b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
2736 buffer);
2737 b43_ntab_write_bulk(dev, B43_NTAB16(15, 101), 2,
2738 buffer);
2739 b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
2740 buffer);
2741 b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
2742 buffer);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +01002743 length = 11;
2744 if (dev->phy.rev < 3)
2745 length -= 2;
Rafał Miłecki91458342010-01-18 00:21:35 +01002746 b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
2747 nphy->txiqlocal_bestc);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +01002748 nphy->txiqlocal_coeffsvalid = true;
2749 /* TODO: Set nphy->txiqlocal_chanspec to
2750 the current channel */
2751 } else {
2752 length = 11;
2753 if (dev->phy.rev < 3)
2754 length -= 2;
Rafał Miłecki91458342010-01-18 00:21:35 +01002755 b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
2756 nphy->mphase_txcal_bestcoeffs);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +01002757 }
2758
Rafał Miłecki53ae8e82010-01-17 13:03:48 +01002759 b43_nphy_stop_playback(dev);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +01002760 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0);
2761 }
2762
Rafał Miłeckie53de672010-01-17 13:03:32 +01002763 b43_nphy_tx_cal_phy_cleanup(dev);
Rafał Miłecki2581b142010-01-18 00:21:21 +01002764 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
Rafał Miłeckifb43b8e2010-01-15 16:10:48 +01002765
2766 if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id == last))
2767 b43_nphy_tx_iq_workaround(dev);
2768
2769 if (dev->phy.rev >= 4)
2770 nphy->hang_avoid = avoid;
2771
2772 b43_nphy_stay_in_carrier_search(dev, false);
2773
2774 return error;
2775}
2776
Rafał Miłecki984ff4f2010-02-04 12:23:10 +01002777/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */
2778static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
2779{
2780 struct b43_phy_n *nphy = dev->phy.n;
2781 u8 i;
2782 u16 buffer[7];
2783 bool equal = true;
2784
2785 if (!nphy->txiqlocal_coeffsvalid || 1 /* FIXME */)
2786 return;
2787
2788 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
2789 for (i = 0; i < 4; i++) {
2790 if (buffer[i] != nphy->txiqlocal_bestc[i]) {
2791 equal = false;
2792 break;
2793 }
2794 }
2795
2796 if (!equal) {
2797 b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4,
2798 nphy->txiqlocal_bestc);
2799 for (i = 0; i < 4; i++)
2800 buffer[i] = 0;
2801 b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
2802 buffer);
2803 b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
2804 &nphy->txiqlocal_bestc[5]);
2805 b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
2806 &nphy->txiqlocal_bestc[5]);
2807 }
2808}
2809
Rafał Miłecki15931e32010-01-15 16:20:56 +01002810/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */
2811static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
2812 struct nphy_txgains target, u8 type, bool debug)
2813{
2814 struct b43_phy_n *nphy = dev->phy.n;
2815 int i, j, index;
2816 u8 rfctl[2];
2817 u8 afectl_core;
2818 u16 tmp[6];
2819 u16 cur_hpf1, cur_hpf2, cur_lna;
2820 u32 real, imag;
2821 enum ieee80211_band band;
2822
2823 u8 use;
2824 u16 cur_hpf;
2825 u16 lna[3] = { 3, 3, 1 };
2826 u16 hpf1[3] = { 7, 2, 0 };
2827 u16 hpf2[3] = { 2, 0, 0 };
Rafał Miłeckide9a47f2010-01-18 00:21:49 +01002828 u32 power[3] = { };
Rafał Miłecki15931e32010-01-15 16:20:56 +01002829 u16 gain_save[2];
2830 u16 cal_gain[2];
2831 struct nphy_iqcal_params cal_params[2];
2832 struct nphy_iq_est est;
2833 int ret = 0;
2834 bool playtone = true;
2835 int desired = 13;
2836
2837 b43_nphy_stay_in_carrier_search(dev, 1);
2838
2839 if (dev->phy.rev < 2)
Rafał Miłecki984ff4f2010-02-04 12:23:10 +01002840 b43_nphy_reapply_tx_cal_coeffs(dev);
Rafał Miłecki91458342010-01-18 00:21:35 +01002841 b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
Rafał Miłecki15931e32010-01-15 16:20:56 +01002842 for (i = 0; i < 2; i++) {
2843 b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]);
2844 cal_gain[i] = cal_params[i].cal_gain;
2845 }
Rafał Miłecki2581b142010-01-18 00:21:21 +01002846 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain);
Rafał Miłecki15931e32010-01-15 16:20:56 +01002847
2848 for (i = 0; i < 2; i++) {
2849 if (i == 0) {
2850 rfctl[0] = B43_NPHY_RFCTL_INTC1;
2851 rfctl[1] = B43_NPHY_RFCTL_INTC2;
2852 afectl_core = B43_NPHY_AFECTL_C1;
2853 } else {
2854 rfctl[0] = B43_NPHY_RFCTL_INTC2;
2855 rfctl[1] = B43_NPHY_RFCTL_INTC1;
2856 afectl_core = B43_NPHY_AFECTL_C2;
2857 }
2858
2859 tmp[1] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
2860 tmp[2] = b43_phy_read(dev, afectl_core);
2861 tmp[3] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
2862 tmp[4] = b43_phy_read(dev, rfctl[0]);
2863 tmp[5] = b43_phy_read(dev, rfctl[1]);
2864
2865 b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
2866 (u16)~B43_NPHY_RFSEQCA_RXDIS,
2867 ((1 - i) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
2868 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
2869 (1 - i));
2870 b43_phy_set(dev, afectl_core, 0x0006);
2871 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0006);
2872
2873 band = b43_current_band(dev->wl);
2874
2875 if (nphy->rxcalparams & 0xFF000000) {
2876 if (band == IEEE80211_BAND_5GHZ)
2877 b43_phy_write(dev, rfctl[0], 0x140);
2878 else
2879 b43_phy_write(dev, rfctl[0], 0x110);
2880 } else {
2881 if (band == IEEE80211_BAND_5GHZ)
2882 b43_phy_write(dev, rfctl[0], 0x180);
2883 else
2884 b43_phy_write(dev, rfctl[0], 0x120);
2885 }
2886
2887 if (band == IEEE80211_BAND_5GHZ)
2888 b43_phy_write(dev, rfctl[1], 0x148);
2889 else
2890 b43_phy_write(dev, rfctl[1], 0x114);
2891
2892 if (nphy->rxcalparams & 0x10000) {
2893 b43_radio_maskset(dev, B2055_C1_GENSPARE2, 0xFC,
2894 (i + 1));
2895 b43_radio_maskset(dev, B2055_C2_GENSPARE2, 0xFC,
2896 (2 - i));
2897 }
2898
2899 for (j = 0; i < 4; j++) {
2900 if (j < 3) {
2901 cur_lna = lna[j];
2902 cur_hpf1 = hpf1[j];
2903 cur_hpf2 = hpf2[j];
2904 } else {
2905 if (power[1] > 10000) {
2906 use = 1;
2907 cur_hpf = cur_hpf1;
2908 index = 2;
2909 } else {
2910 if (power[0] > 10000) {
2911 use = 1;
2912 cur_hpf = cur_hpf1;
2913 index = 1;
2914 } else {
2915 index = 0;
2916 use = 2;
2917 cur_hpf = cur_hpf2;
2918 }
2919 }
2920 cur_lna = lna[index];
2921 cur_hpf1 = hpf1[index];
2922 cur_hpf2 = hpf2[index];
2923 cur_hpf += desired - hweight32(power[index]);
2924 cur_hpf = clamp_val(cur_hpf, 0, 10);
2925 if (use == 1)
2926 cur_hpf1 = cur_hpf;
2927 else
2928 cur_hpf2 = cur_hpf;
2929 }
2930
2931 tmp[0] = ((cur_hpf2 << 8) | (cur_hpf1 << 4) |
2932 (cur_lna << 2));
Rafał Miłecki75377b22010-01-22 01:53:13 +01002933 b43_nphy_rf_control_override(dev, 0x400, tmp[0], 3,
2934 false);
Rafał Miłeckide9a47f2010-01-18 00:21:49 +01002935 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
Rafał Miłecki53ae8e82010-01-17 13:03:48 +01002936 b43_nphy_stop_playback(dev);
Rafał Miłecki15931e32010-01-15 16:20:56 +01002937
2938 if (playtone) {
Rafał Miłecki59af0992010-01-22 01:53:16 +01002939 ret = b43_nphy_tx_tone(dev, 4000,
2940 (nphy->rxcalparams & 0xFFFF),
2941 false, false);
Rafał Miłecki15931e32010-01-15 16:20:56 +01002942 playtone = false;
2943 } else {
Rafał Miłecki10a79872010-01-22 01:53:14 +01002944 b43_nphy_run_samples(dev, 160, 0xFFFF, 0,
2945 false, false);
Rafał Miłecki15931e32010-01-15 16:20:56 +01002946 }
2947
2948 if (ret == 0) {
2949 if (j < 3) {
2950 b43_nphy_rx_iq_est(dev, &est, 1024, 32,
2951 false);
2952 if (i == 0) {
2953 real = est.i0_pwr;
2954 imag = est.q0_pwr;
2955 } else {
2956 real = est.i1_pwr;
2957 imag = est.q1_pwr;
2958 }
2959 power[i] = ((real + imag) / 1024) + 1;
2960 } else {
2961 b43_nphy_calc_rx_iq_comp(dev, 1 << i);
2962 }
Rafał Miłecki53ae8e82010-01-17 13:03:48 +01002963 b43_nphy_stop_playback(dev);
Rafał Miłecki15931e32010-01-15 16:20:56 +01002964 }
2965
2966 if (ret != 0)
2967 break;
2968 }
2969
2970 b43_radio_mask(dev, B2055_C1_GENSPARE2, 0xFC);
2971 b43_radio_mask(dev, B2055_C2_GENSPARE2, 0xFC);
2972 b43_phy_write(dev, rfctl[1], tmp[5]);
2973 b43_phy_write(dev, rfctl[0], tmp[4]);
2974 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp[3]);
2975 b43_phy_write(dev, afectl_core, tmp[2]);
2976 b43_phy_write(dev, B43_NPHY_RFSEQCA, tmp[1]);
2977
2978 if (ret != 0)
2979 break;
2980 }
2981
Rafał Miłecki75377b22010-01-22 01:53:13 +01002982 b43_nphy_rf_control_override(dev, 0x400, 0, 3, true);
Rafał Miłecki67c0d6e2010-01-17 13:04:02 +01002983 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
Rafał Miłecki2581b142010-01-18 00:21:21 +01002984 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
Rafał Miłecki15931e32010-01-15 16:20:56 +01002985
2986 b43_nphy_stay_in_carrier_search(dev, 0);
2987
2988 return ret;
2989}
2990
2991static int b43_nphy_rev3_cal_rx_iq(struct b43_wldev *dev,
2992 struct nphy_txgains target, u8 type, bool debug)
2993{
2994 return -1;
2995}
2996
2997/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIq */
2998static int b43_nphy_cal_rx_iq(struct b43_wldev *dev,
2999 struct nphy_txgains target, u8 type, bool debug)
3000{
3001 if (dev->phy.rev >= 3)
3002 return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug);
3003 else
3004 return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug);
3005}
3006
Rafał Miłecki42e15472010-01-15 15:06:47 +01003007/*
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003008 * Init N-PHY
3009 * http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N
3010 */
Michael Buesch424047e2008-01-09 16:13:56 +01003011int b43_phy_initn(struct b43_wldev *dev)
3012{
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003013 struct ssb_bus *bus = dev->dev->bus;
Michael Buesch95b66ba2008-01-18 01:09:25 +01003014 struct b43_phy *phy = &dev->phy;
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003015 struct b43_phy_n *nphy = phy->n;
3016 u8 tx_pwr_state;
3017 struct nphy_txgains target;
Michael Buesch95b66ba2008-01-18 01:09:25 +01003018 u16 tmp;
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003019 enum ieee80211_band tmp2;
3020 bool do_rssi_cal;
Michael Buesch424047e2008-01-09 16:13:56 +01003021
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003022 u16 clip[2];
3023 bool do_cal = false;
3024
3025 if ((dev->phy.rev >= 3) &&
3026 (bus->sprom.boardflags_lo & B43_BFL_EXTLNA) &&
3027 (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) {
3028 chipco_set32(&dev->dev->bus->chipco, SSB_CHIPCO_CHIPCTL, 0x40);
3029 }
3030 nphy->deaf_count = 0;
Michael Buesch95b66ba2008-01-18 01:09:25 +01003031 b43_nphy_tables_init(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003032 nphy->crsminpwr_adjusted = false;
3033 nphy->noisevars_adjusted = false;
Michael Buesch95b66ba2008-01-18 01:09:25 +01003034
3035 /* Clear all overrides */
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003036 if (dev->phy.rev >= 3) {
3037 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0);
3038 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
3039 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0);
3040 b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0);
3041 } else {
3042 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
3043 }
Michael Buesch95b66ba2008-01-18 01:09:25 +01003044 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0);
3045 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003046 if (dev->phy.rev < 6) {
3047 b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0);
3048 b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0);
3049 }
Michael Buesch95b66ba2008-01-18 01:09:25 +01003050 b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
3051 ~(B43_NPHY_RFSEQMODE_CAOVER |
3052 B43_NPHY_RFSEQMODE_TROVER));
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003053 if (dev->phy.rev >= 3)
3054 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0);
Michael Buesch95b66ba2008-01-18 01:09:25 +01003055 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0);
3056
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003057 if (dev->phy.rev <= 2) {
3058 tmp = (dev->phy.rev == 2) ? 0x3B : 0x40;
3059 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
3060 ~B43_NPHY_BPHY_CTL3_SCALE,
3061 tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT);
3062 }
Michael Buesch95b66ba2008-01-18 01:09:25 +01003063 b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20);
3064 b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20);
3065
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003066 if (bus->sprom.boardflags2_lo & 0x100 ||
3067 (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE &&
3068 bus->boardinfo.type == 0x8B))
3069 b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0);
3070 else
3071 b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8);
3072 b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8);
3073 b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50);
3074 b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30);
Michael Buesch95b66ba2008-01-18 01:09:25 +01003075
Rafał Miłeckiad9716e2010-01-17 13:03:40 +01003076 b43_nphy_update_mimo_config(dev, nphy->preamble_override);
Rafał Miłecki4f4ab6c2010-01-17 13:03:55 +01003077 b43_nphy_update_txrx_chain(dev);
Michael Buesch95b66ba2008-01-18 01:09:25 +01003078
3079 if (phy->rev < 2) {
3080 b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8);
3081 b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4);
3082 }
Michael Buesch95b66ba2008-01-18 01:09:25 +01003083
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003084 tmp2 = b43_current_band(dev->wl);
3085 if ((nphy->ipa2g_on && tmp2 == IEEE80211_BAND_2GHZ) ||
3086 (nphy->ipa5g_on && tmp2 == IEEE80211_BAND_5GHZ)) {
3087 b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1);
3088 b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F,
3089 nphy->papd_epsilon_offset[0] << 7);
3090 b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1);
3091 b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F,
3092 nphy->papd_epsilon_offset[1] << 7);
Rafał Miłecki45ca6972010-01-22 01:53:15 +01003093 b43_nphy_int_pa_set_tx_dig_filters(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003094 } else if (phy->rev >= 5) {
Rafał Miłecki45ca6972010-01-22 01:53:15 +01003095 b43_nphy_ext_pa_set_tx_dig_filters(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003096 }
3097
3098 b43_nphy_workarounds(dev);
3099
3100 /* Reset CCA, in init code it differs a little from standard way */
Rafał Miłecki730dd702010-01-15 16:38:07 +01003101 b43_nphy_bmac_clock_fgc(dev, 1);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003102 tmp = b43_phy_read(dev, B43_NPHY_BBCFG);
3103 b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA);
3104 b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA);
Rafał Miłecki730dd702010-01-15 16:38:07 +01003105 b43_nphy_bmac_clock_fgc(dev, 0);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003106
3107 /* TODO N PHY MAC PHY Clock Set with argument 1 */
3108
Rafał Miłeckie50cbcf2010-01-15 15:02:38 +01003109 b43_nphy_pa_override(dev, false);
Michael Buesch95b66ba2008-01-18 01:09:25 +01003110 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
3111 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
Rafał Miłeckie50cbcf2010-01-15 15:02:38 +01003112 b43_nphy_pa_override(dev, true);
Michael Buesch95b66ba2008-01-18 01:09:25 +01003113
Rafał Miłeckibbec3982010-01-15 14:31:39 +01003114 b43_nphy_classifier(dev, 0, 0);
3115 b43_nphy_read_clip_detection(dev, clip);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003116 tx_pwr_state = nphy->txpwrctrl;
3117 /* TODO N PHY TX power control with argument 0
3118 (turning off power control) */
3119 /* TODO Fix the TX Power Settings */
3120 /* TODO N PHY TX Power Control Idle TSSI */
3121 /* TODO N PHY TX Power Control Setup */
Michael Buesch95b66ba2008-01-18 01:09:25 +01003122
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003123 if (phy->rev >= 3) {
3124 /* TODO */
3125 } else {
Rafał Miłecki2581b142010-01-18 00:21:21 +01003126 b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128,
3127 b43_ntab_tx_gain_rev0_1_2);
3128 b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128,
3129 b43_ntab_tx_gain_rev0_1_2);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003130 }
3131
3132 if (nphy->phyrxchain != 3)
3133 ;/* TODO N PHY RX Core Set State with phyrxchain as argument */
3134 if (nphy->mphase_cal_phase_id > 0)
3135 ;/* TODO PHY Periodic Calibration Multi-Phase Restart */
3136
3137 do_rssi_cal = false;
3138 if (phy->rev >= 3) {
3139 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
3140 do_rssi_cal = (nphy->rssical_chanspec_2G == 0);
3141 else
3142 do_rssi_cal = (nphy->rssical_chanspec_5G == 0);
3143
3144 if (do_rssi_cal)
Rafał Miłecki4cb99772010-01-15 13:40:58 +01003145 b43_nphy_rssi_cal(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003146 else
Rafał Miłecki42e15472010-01-15 15:06:47 +01003147 b43_nphy_restore_rssi_cal(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003148 } else {
Rafał Miłecki4cb99772010-01-15 13:40:58 +01003149 b43_nphy_rssi_cal(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003150 }
3151
3152 if (!((nphy->measure_hold & 0x6) != 0)) {
3153 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
3154 do_cal = (nphy->iqcal_chanspec_2G == 0);
3155 else
3156 do_cal = (nphy->iqcal_chanspec_5G == 0);
3157
3158 if (nphy->mute)
3159 do_cal = false;
3160
3161 if (do_cal) {
Rafał Miłeckib0022e12010-01-15 15:40:50 +01003162 target = b43_nphy_get_tx_gains(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003163
3164 if (nphy->antsel_type == 2)
Rafał Miłecki8987a9e2010-02-27 13:03:33 +01003165 b43_nphy_superswitch_init(dev, true);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003166 if (nphy->perical != 2) {
Rafał Miłecki90b97382010-01-15 14:48:21 +01003167 b43_nphy_rssi_cal(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003168 if (phy->rev >= 3) {
3169 nphy->cal_orig_pwr_idx[0] =
3170 nphy->txpwrindex[0].index_internal;
3171 nphy->cal_orig_pwr_idx[1] =
3172 nphy->txpwrindex[1].index_internal;
3173 /* TODO N PHY Pre Calibrate TX Gain */
Rafał Miłeckib0022e12010-01-15 15:40:50 +01003174 target = b43_nphy_get_tx_gains(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003175 }
3176 }
3177 }
3178 }
3179
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003180 if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false)) {
3181 if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
Rafał Miłeckibbc6dc12010-02-04 12:23:11 +01003182 b43_nphy_save_cal(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003183 else if (nphy->mphase_cal_phase_id == 0)
Rafał Miłecki15931e32010-01-15 16:20:56 +01003184 ;/* N PHY Periodic Calibration with argument 3 */
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003185 } else {
3186 b43_nphy_restore_cal(dev);
3187 }
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003188
Rafał Miłecki6dcd9d92010-01-15 16:24:57 +01003189 b43_nphy_tx_pwr_ctrl_coef_setup(dev);
Rafał Miłecki0988a7a2010-01-15 13:27:29 +01003190 /* TODO N PHY TX Power Control Enable with argument tx_pwr_state */
3191 b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015);
3192 b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
3193 if (phy->rev >= 3 && phy->rev <= 6)
3194 b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0014);
Rafał Miłeckife3e46e2010-01-15 15:51:55 +01003195 b43_nphy_tx_lp_fbw(dev);
Rafał Miłecki9442e5b2010-02-04 12:23:12 +01003196 if (phy->rev >= 3)
3197 b43_nphy_spur_workaround(dev);
Michael Buesch95b66ba2008-01-18 01:09:25 +01003198
3199 b43err(dev->wl, "IEEE 802.11n devices are not supported, yet.\n");
Michael Buesch53a6e232008-01-13 21:23:44 +01003200 return 0;
Michael Buesch424047e2008-01-09 16:13:56 +01003201}
Michael Bueschef1a6282008-08-27 18:53:02 +02003202
3203static int b43_nphy_op_allocate(struct b43_wldev *dev)
3204{
3205 struct b43_phy_n *nphy;
3206
3207 nphy = kzalloc(sizeof(*nphy), GFP_KERNEL);
3208 if (!nphy)
3209 return -ENOMEM;
3210 dev->phy.n = nphy;
3211
Michael Bueschef1a6282008-08-27 18:53:02 +02003212 return 0;
3213}
3214
Michael Bueschfb111372008-09-02 13:00:34 +02003215static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
3216{
3217 struct b43_phy *phy = &dev->phy;
3218 struct b43_phy_n *nphy = phy->n;
3219
3220 memset(nphy, 0, sizeof(*nphy));
3221
3222 //TODO init struct b43_phy_n
3223}
3224
3225static void b43_nphy_op_free(struct b43_wldev *dev)
3226{
3227 struct b43_phy *phy = &dev->phy;
3228 struct b43_phy_n *nphy = phy->n;
3229
3230 kfree(nphy);
3231 phy->n = NULL;
3232}
3233
Michael Bueschef1a6282008-08-27 18:53:02 +02003234static int b43_nphy_op_init(struct b43_wldev *dev)
3235{
Michael Bueschfb111372008-09-02 13:00:34 +02003236 return b43_phy_initn(dev);
Michael Bueschef1a6282008-08-27 18:53:02 +02003237}
3238
3239static inline void check_phyreg(struct b43_wldev *dev, u16 offset)
3240{
3241#if B43_DEBUG
3242 if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
3243 /* OFDM registers are onnly available on A/G-PHYs */
3244 b43err(dev->wl, "Invalid OFDM PHY access at "
3245 "0x%04X on N-PHY\n", offset);
3246 dump_stack();
3247 }
3248 if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
3249 /* Ext-G registers are only available on G-PHYs */
3250 b43err(dev->wl, "Invalid EXT-G PHY access at "
3251 "0x%04X on N-PHY\n", offset);
3252 dump_stack();
3253 }
3254#endif /* B43_DEBUG */
3255}
3256
3257static u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg)
3258{
3259 check_phyreg(dev, reg);
3260 b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
3261 return b43_read16(dev, B43_MMIO_PHY_DATA);
3262}
3263
3264static void b43_nphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
3265{
3266 check_phyreg(dev, reg);
3267 b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
3268 b43_write16(dev, B43_MMIO_PHY_DATA, value);
3269}
3270
3271static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg)
3272{
3273 /* Register 1 is a 32-bit register. */
3274 B43_WARN_ON(reg == 1);
3275 /* N-PHY needs 0x100 for read access */
3276 reg |= 0x100;
3277
3278 b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
3279 return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
3280}
3281
3282static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
3283{
3284 /* Register 1 is a 32-bit register. */
3285 B43_WARN_ON(reg == 1);
3286
3287 b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
3288 b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
3289}
3290
Rafał Miłeckic2b7aef2010-02-27 13:03:34 +01003291/* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
Michael Bueschef1a6282008-08-27 18:53:02 +02003292static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
Johannes Berg19d337d2009-06-02 13:01:37 +02003293 bool blocked)
Rafał Miłeckic2b7aef2010-02-27 13:03:34 +01003294{
3295 if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
3296 b43err(dev->wl, "MAC not suspended\n");
3297
3298 if (blocked) {
3299 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
3300 ~B43_NPHY_RFCTL_CMD_CHIP0PU);
3301 if (dev->phy.rev >= 3) {
3302 b43_radio_mask(dev, 0x09, ~0x2);
3303
3304 b43_radio_write(dev, 0x204D, 0);
3305 b43_radio_write(dev, 0x2053, 0);
3306 b43_radio_write(dev, 0x2058, 0);
3307 b43_radio_write(dev, 0x205E, 0);
3308 b43_radio_mask(dev, 0x2062, ~0xF0);
3309 b43_radio_write(dev, 0x2064, 0);
3310
3311 b43_radio_write(dev, 0x304D, 0);
3312 b43_radio_write(dev, 0x3053, 0);
3313 b43_radio_write(dev, 0x3058, 0);
3314 b43_radio_write(dev, 0x305E, 0);
3315 b43_radio_mask(dev, 0x3062, ~0xF0);
3316 b43_radio_write(dev, 0x3064, 0);
3317 }
3318 } else {
3319 if (dev->phy.rev >= 3) {
3320 /* TODO: b43_radio_init2056(dev); */
3321 /* TODO: PHY Set Channel Spec (dev, radio_chanspec) */
3322 } else {
3323 b43_radio_init2055(dev);
3324 }
3325 }
Michael Bueschef1a6282008-08-27 18:53:02 +02003326}
3327
Michael Bueschcb24f572008-09-03 12:12:20 +02003328static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
3329{
3330 b43_phy_write(dev, B43_NPHY_AFECTL_OVER,
3331 on ? 0 : 0x7FFF);
3332}
3333
Michael Bueschef1a6282008-08-27 18:53:02 +02003334static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
3335 unsigned int new_channel)
3336{
3337 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3338 if ((new_channel < 1) || (new_channel > 14))
3339 return -EINVAL;
3340 } else {
3341 if (new_channel > 200)
3342 return -EINVAL;
3343 }
3344
3345 return nphy_channel_switch(dev, new_channel);
3346}
3347
3348static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev)
3349{
3350 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
3351 return 1;
3352 return 36;
3353}
3354
Michael Bueschef1a6282008-08-27 18:53:02 +02003355const struct b43_phy_operations b43_phyops_n = {
3356 .allocate = b43_nphy_op_allocate,
Michael Bueschfb111372008-09-02 13:00:34 +02003357 .free = b43_nphy_op_free,
3358 .prepare_structs = b43_nphy_op_prepare_structs,
Michael Bueschef1a6282008-08-27 18:53:02 +02003359 .init = b43_nphy_op_init,
Michael Bueschef1a6282008-08-27 18:53:02 +02003360 .phy_read = b43_nphy_op_read,
3361 .phy_write = b43_nphy_op_write,
3362 .radio_read = b43_nphy_op_radio_read,
3363 .radio_write = b43_nphy_op_radio_write,
3364 .software_rfkill = b43_nphy_op_software_rfkill,
Michael Bueschcb24f572008-09-03 12:12:20 +02003365 .switch_analog = b43_nphy_op_switch_analog,
Michael Bueschef1a6282008-08-27 18:53:02 +02003366 .switch_channel = b43_nphy_op_switch_channel,
3367 .get_default_chan = b43_nphy_op_get_default_chan,
Michael Buesch18c8ade2008-08-28 19:33:40 +02003368 .recalc_txpower = b43_nphy_op_recalc_txpower,
3369 .adjust_txpower = b43_nphy_op_adjust_txpower,
Michael Bueschef1a6282008-08-27 18:53:02 +02003370};