Commit | Line | Data |
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424047e6 MB |
1 | /* |
2 | ||
3 | Broadcom B43 wireless driver | |
4 | IEEE 802.11n PHY support | |
5 | ||
6 | Copyright (c) 2008 Michael Buesch <mb@bu3sch.de> | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; see the file COPYING. If not, write to | |
20 | the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, | |
21 | Boston, MA 02110-1301, USA. | |
22 | ||
23 | */ | |
24 | ||
819d772b JL |
25 | #include <linux/delay.h> |
26 | #include <linux/types.h> | |
27 | ||
424047e6 | 28 | #include "b43.h" |
3d0da751 | 29 | #include "phy_n.h" |
53a6e234 | 30 | #include "tables_nphy.h" |
bbec398c | 31 | #include "main.h" |
424047e6 | 32 | |
f8187b5b RM |
33 | struct nphy_txgains { |
34 | u16 txgm[2]; | |
35 | u16 pga[2]; | |
36 | u16 pad[2]; | |
37 | u16 ipa[2]; | |
38 | }; | |
39 | ||
40 | struct 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 | ||
49 | struct 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 | }; | |
424047e6 | 57 | |
53a6e234 MB |
58 | void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna) |
59 | {//TODO | |
60 | } | |
61 | ||
18c8adeb | 62 | static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev) |
53a6e234 MB |
63 | {//TODO |
64 | } | |
65 | ||
18c8adeb MB |
66 | static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev, |
67 | bool ignore_tssi) | |
68 | {//TODO | |
69 | return B43_TXPWR_RES_DONE; | |
70 | } | |
71 | ||
d1591314 MB |
72 | static void b43_chantab_radio_upload(struct b43_wldev *dev, |
73 | const struct b43_nphy_channeltab_entry *e) | |
74 | { | |
75 | b43_radio_write16(dev, B2055_PLL_REF, e->radio_pll_ref); | |
76 | b43_radio_write16(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0); | |
77 | b43_radio_write16(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1); | |
78 | b43_radio_write16(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail); | |
79 | b43_radio_write16(dev, B2055_VCO_CAL1, e->radio_vco_cal1); | |
80 | b43_radio_write16(dev, B2055_VCO_CAL2, e->radio_vco_cal2); | |
81 | b43_radio_write16(dev, B2055_PLL_LFC1, e->radio_pll_lfc1); | |
82 | b43_radio_write16(dev, B2055_PLL_LFR1, e->radio_pll_lfr1); | |
83 | b43_radio_write16(dev, B2055_PLL_LFC2, e->radio_pll_lfc2); | |
84 | b43_radio_write16(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf); | |
85 | b43_radio_write16(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1); | |
86 | b43_radio_write16(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2); | |
87 | b43_radio_write16(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune); | |
88 | b43_radio_write16(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune); | |
89 | b43_radio_write16(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1); | |
90 | b43_radio_write16(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn); | |
91 | b43_radio_write16(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim); | |
92 | b43_radio_write16(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune); | |
93 | b43_radio_write16(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune); | |
94 | b43_radio_write16(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1); | |
95 | b43_radio_write16(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn); | |
96 | b43_radio_write16(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim); | |
97 | } | |
98 | ||
99 | static void b43_chantab_phy_upload(struct b43_wldev *dev, | |
100 | const struct b43_nphy_channeltab_entry *e) | |
101 | { | |
102 | b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a); | |
103 | b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2); | |
104 | b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3); | |
105 | b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4); | |
106 | b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5); | |
107 | b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6); | |
108 | } | |
109 | ||
110 | static void b43_nphy_tx_power_fix(struct b43_wldev *dev) | |
111 | { | |
112 | //TODO | |
113 | } | |
114 | ||
ef1a628d MB |
115 | /* Tune the hardware to a new channel. */ |
116 | static int nphy_channel_switch(struct b43_wldev *dev, unsigned int channel) | |
53a6e234 | 117 | { |
d1591314 MB |
118 | const struct b43_nphy_channeltab_entry *tabent; |
119 | ||
120 | tabent = b43_nphy_get_chantabent(dev, channel); | |
121 | if (!tabent) | |
122 | return -ESRCH; | |
123 | ||
124 | //FIXME enable/disable band select upper20 in RXCTL | |
125 | if (0 /*FIXME 5Ghz*/) | |
126 | b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, 0x20); | |
127 | else | |
128 | b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, 0x50); | |
129 | b43_chantab_radio_upload(dev, tabent); | |
130 | udelay(50); | |
131 | b43_radio_write16(dev, B2055_VCO_CAL10, 5); | |
132 | b43_radio_write16(dev, B2055_VCO_CAL10, 45); | |
133 | b43_radio_write16(dev, B2055_VCO_CAL10, 65); | |
134 | udelay(300); | |
135 | if (0 /*FIXME 5Ghz*/) | |
136 | b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ); | |
137 | else | |
138 | b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ); | |
139 | b43_chantab_phy_upload(dev, tabent); | |
140 | b43_nphy_tx_power_fix(dev); | |
53a6e234 | 141 | |
d1591314 | 142 | return 0; |
53a6e234 MB |
143 | } |
144 | ||
145 | static void b43_radio_init2055_pre(struct b43_wldev *dev) | |
146 | { | |
147 | b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, | |
148 | ~B43_NPHY_RFCTL_CMD_PORFORCE); | |
149 | b43_phy_set(dev, B43_NPHY_RFCTL_CMD, | |
150 | B43_NPHY_RFCTL_CMD_CHIP0PU | | |
151 | B43_NPHY_RFCTL_CMD_OEPORFORCE); | |
152 | b43_phy_set(dev, B43_NPHY_RFCTL_CMD, | |
153 | B43_NPHY_RFCTL_CMD_PORFORCE); | |
154 | } | |
155 | ||
156 | static void b43_radio_init2055_post(struct b43_wldev *dev) | |
157 | { | |
158 | struct ssb_sprom *sprom = &(dev->dev->bus->sprom); | |
159 | struct ssb_boardinfo *binfo = &(dev->dev->bus->boardinfo); | |
160 | int i; | |
161 | u16 val; | |
162 | ||
163 | b43_radio_mask(dev, B2055_MASTER1, 0xFFF3); | |
164 | msleep(1); | |
738f0f43 GS |
165 | if ((sprom->revision != 4) || |
166 | !(sprom->boardflags_hi & B43_BFH_RSSIINV)) { | |
53a6e234 MB |
167 | if ((binfo->vendor != PCI_VENDOR_ID_BROADCOM) || |
168 | (binfo->type != 0x46D) || | |
169 | (binfo->rev < 0x41)) { | |
170 | b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F); | |
171 | b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F); | |
172 | msleep(1); | |
173 | } | |
174 | } | |
175 | b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0x3F, 0x2C); | |
176 | msleep(1); | |
177 | b43_radio_write16(dev, B2055_CAL_MISC, 0x3C); | |
178 | msleep(1); | |
179 | b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE); | |
180 | msleep(1); | |
181 | b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80); | |
182 | msleep(1); | |
183 | b43_radio_set(dev, B2055_CAL_MISC, 0x1); | |
184 | msleep(1); | |
185 | b43_radio_set(dev, B2055_CAL_MISC, 0x40); | |
186 | msleep(1); | |
187 | for (i = 0; i < 100; i++) { | |
188 | val = b43_radio_read16(dev, B2055_CAL_COUT2); | |
189 | if (val & 0x80) | |
190 | break; | |
191 | udelay(10); | |
192 | } | |
193 | msleep(1); | |
194 | b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F); | |
195 | msleep(1); | |
ef1a628d | 196 | nphy_channel_switch(dev, dev->phy.channel); |
53a6e234 MB |
197 | b43_radio_write16(dev, B2055_C1_RX_BB_LPF, 0x9); |
198 | b43_radio_write16(dev, B2055_C2_RX_BB_LPF, 0x9); | |
199 | b43_radio_write16(dev, B2055_C1_RX_BB_MIDACHP, 0x83); | |
200 | b43_radio_write16(dev, B2055_C2_RX_BB_MIDACHP, 0x83); | |
201 | } | |
202 | ||
203 | /* Initialize a Broadcom 2055 N-radio */ | |
204 | static void b43_radio_init2055(struct b43_wldev *dev) | |
205 | { | |
206 | b43_radio_init2055_pre(dev); | |
207 | if (b43_status(dev) < B43_STAT_INITIALIZED) | |
208 | b2055_upload_inittab(dev, 0, 1); | |
209 | else | |
210 | b2055_upload_inittab(dev, 0/*FIXME on 5ghz band*/, 0); | |
211 | b43_radio_init2055_post(dev); | |
212 | } | |
213 | ||
214 | void b43_nphy_radio_turn_on(struct b43_wldev *dev) | |
215 | { | |
216 | b43_radio_init2055(dev); | |
217 | } | |
218 | ||
219 | void b43_nphy_radio_turn_off(struct b43_wldev *dev) | |
220 | { | |
221 | b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, | |
222 | ~B43_NPHY_RFCTL_CMD_EN); | |
223 | } | |
224 | ||
95b66bad MB |
225 | #define ntab_upload(dev, offset, data) do { \ |
226 | unsigned int i; \ | |
227 | for (i = 0; i < (offset##_SIZE); i++) \ | |
228 | b43_ntab_write(dev, (offset) + i, (data)[i]); \ | |
229 | } while (0) | |
230 | ||
4772ae10 RM |
231 | /* |
232 | * Upload the N-PHY tables. | |
233 | * http://bcm-v4.sipsolutions.net/802.11/PHY/N/InitTables | |
234 | */ | |
95b66bad MB |
235 | static void b43_nphy_tables_init(struct b43_wldev *dev) |
236 | { | |
4772ae10 RM |
237 | if (dev->phy.rev < 3) |
238 | b43_nphy_rev0_1_2_tables_init(dev); | |
239 | else | |
240 | b43_nphy_rev3plus_tables_init(dev); | |
95b66bad MB |
241 | } |
242 | ||
243 | static void b43_nphy_workarounds(struct b43_wldev *dev) | |
244 | { | |
245 | struct b43_phy *phy = &dev->phy; | |
246 | unsigned int i; | |
247 | ||
248 | b43_phy_set(dev, B43_NPHY_IQFLIP, | |
249 | B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2); | |
95b66bad MB |
250 | if (1 /* FIXME band is 2.4GHz */) { |
251 | b43_phy_set(dev, B43_NPHY_CLASSCTL, | |
252 | B43_NPHY_CLASSCTL_CCKEN); | |
253 | } else { | |
254 | b43_phy_mask(dev, B43_NPHY_CLASSCTL, | |
255 | ~B43_NPHY_CLASSCTL_CCKEN); | |
256 | } | |
257 | b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8); | |
258 | b43_phy_write(dev, B43_NPHY_TXFRAMEDELAY, 8); | |
259 | ||
260 | /* Fixup some tables */ | |
261 | b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0xA); | |
262 | b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0xA); | |
263 | b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA); | |
264 | b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA); | |
265 | b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0); | |
266 | b43_ntab_write(dev, B43_NTAB16(8, 0x18), 0); | |
267 | b43_ntab_write(dev, B43_NTAB16(8, 0x07), 0x7AAB); | |
268 | b43_ntab_write(dev, B43_NTAB16(8, 0x17), 0x7AAB); | |
269 | b43_ntab_write(dev, B43_NTAB16(8, 0x06), 0x800); | |
270 | b43_ntab_write(dev, B43_NTAB16(8, 0x16), 0x800); | |
271 | ||
272 | b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8); | |
273 | b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301); | |
274 | b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8); | |
275 | b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301); | |
276 | ||
277 | //TODO set RF sequence | |
278 | ||
279 | /* Set narrowband clip threshold */ | |
280 | b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, 66); | |
281 | b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, 66); | |
282 | ||
283 | /* Set wideband clip 2 threshold */ | |
284 | b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES, | |
285 | ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, | |
286 | 21 << B43_NPHY_C1_CLIPWBTHRES_CLIP2_SHIFT); | |
287 | b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES, | |
288 | ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, | |
289 | 21 << B43_NPHY_C2_CLIPWBTHRES_CLIP2_SHIFT); | |
290 | ||
291 | /* Set Clip 2 detect */ | |
292 | b43_phy_set(dev, B43_NPHY_C1_CGAINI, | |
293 | B43_NPHY_C1_CGAINI_CL2DETECT); | |
294 | b43_phy_set(dev, B43_NPHY_C2_CGAINI, | |
295 | B43_NPHY_C2_CGAINI_CL2DETECT); | |
296 | ||
297 | if (0 /*FIXME*/) { | |
298 | /* Set dwell lengths */ | |
299 | b43_phy_write(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 43); | |
300 | b43_phy_write(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 43); | |
301 | b43_phy_write(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 9); | |
302 | b43_phy_write(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 9); | |
303 | ||
304 | /* Set gain backoff */ | |
305 | b43_phy_maskset(dev, B43_NPHY_C1_CGAINI, | |
306 | ~B43_NPHY_C1_CGAINI_GAINBKOFF, | |
307 | 1 << B43_NPHY_C1_CGAINI_GAINBKOFF_SHIFT); | |
308 | b43_phy_maskset(dev, B43_NPHY_C2_CGAINI, | |
309 | ~B43_NPHY_C2_CGAINI_GAINBKOFF, | |
310 | 1 << B43_NPHY_C2_CGAINI_GAINBKOFF_SHIFT); | |
311 | ||
312 | /* Set HPVGA2 index */ | |
313 | b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN, | |
314 | ~B43_NPHY_C1_INITGAIN_HPVGA2, | |
315 | 6 << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT); | |
316 | b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN, | |
317 | ~B43_NPHY_C2_INITGAIN_HPVGA2, | |
318 | 6 << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT); | |
319 | ||
320 | //FIXME verify that the specs really mean to use autoinc here. | |
321 | for (i = 0; i < 3; i++) | |
322 | b43_ntab_write(dev, B43_NTAB16(7, 0x106) + i, 0x673); | |
323 | } | |
324 | ||
325 | /* Set minimum gain value */ | |
326 | b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN, | |
327 | ~B43_NPHY_C1_MINGAIN, | |
328 | 23 << B43_NPHY_C1_MINGAIN_SHIFT); | |
329 | b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN, | |
330 | ~B43_NPHY_C2_MINGAIN, | |
331 | 23 << B43_NPHY_C2_MINGAIN_SHIFT); | |
332 | ||
333 | if (phy->rev < 2) { | |
334 | b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL, | |
335 | ~B43_NPHY_SCRAM_SIGCTL_SCM); | |
336 | } | |
337 | ||
338 | /* Set phase track alpha and beta */ | |
339 | b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125); | |
340 | b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3); | |
341 | b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105); | |
342 | b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E); | |
343 | b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD); | |
344 | b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20); | |
345 | } | |
346 | ||
e50cbcf6 RM |
347 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */ |
348 | static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable) | |
349 | { | |
350 | struct b43_phy_n *nphy = dev->phy.n; | |
351 | enum ieee80211_band band; | |
352 | u16 tmp; | |
353 | ||
354 | if (!enable) { | |
355 | nphy->rfctrl_intc1_save = b43_phy_read(dev, | |
356 | B43_NPHY_RFCTL_INTC1); | |
357 | nphy->rfctrl_intc2_save = b43_phy_read(dev, | |
358 | B43_NPHY_RFCTL_INTC2); | |
359 | band = b43_current_band(dev->wl); | |
360 | if (dev->phy.rev >= 3) { | |
361 | if (band == IEEE80211_BAND_5GHZ) | |
362 | tmp = 0x600; | |
363 | else | |
364 | tmp = 0x480; | |
365 | } else { | |
366 | if (band == IEEE80211_BAND_5GHZ) | |
367 | tmp = 0x180; | |
368 | else | |
369 | tmp = 0x120; | |
370 | } | |
371 | b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp); | |
372 | b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp); | |
373 | } else { | |
374 | b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, | |
375 | nphy->rfctrl_intc1_save); | |
376 | b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, | |
377 | nphy->rfctrl_intc2_save); | |
378 | } | |
379 | } | |
380 | ||
fe3e46e8 RM |
381 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */ |
382 | static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev) | |
383 | { | |
384 | struct b43_phy_n *nphy = dev->phy.n; | |
385 | u16 tmp; | |
386 | enum ieee80211_band band = b43_current_band(dev->wl); | |
387 | bool ipa = (nphy->ipa2g_on && band == IEEE80211_BAND_2GHZ) || | |
388 | (nphy->ipa5g_on && band == IEEE80211_BAND_5GHZ); | |
389 | ||
390 | if (dev->phy.rev >= 3) { | |
391 | if (ipa) { | |
392 | tmp = 4; | |
393 | b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2, | |
394 | (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp); | |
395 | } | |
396 | ||
397 | tmp = 1; | |
398 | b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2, | |
399 | (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp); | |
400 | } | |
401 | } | |
402 | ||
4a933c85 RM |
403 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BmacPhyClkFgc */ |
404 | static void b43_nphy_bmac_clock_fgc(struct b43_wldev *dev, bool force) | |
405 | { | |
406 | u32 tmslow; | |
407 | ||
408 | if (dev->phy.type != B43_PHYTYPE_N) | |
409 | return; | |
410 | ||
411 | tmslow = ssb_read32(dev->dev, SSB_TMSLOW); | |
412 | if (force) | |
413 | tmslow |= SSB_TMSLOW_FGC; | |
414 | else | |
415 | tmslow &= ~SSB_TMSLOW_FGC; | |
416 | ssb_write32(dev->dev, SSB_TMSLOW, tmslow); | |
417 | } | |
418 | ||
419 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */ | |
95b66bad MB |
420 | static void b43_nphy_reset_cca(struct b43_wldev *dev) |
421 | { | |
422 | u16 bbcfg; | |
423 | ||
4a933c85 | 424 | b43_nphy_bmac_clock_fgc(dev, 1); |
95b66bad | 425 | bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG); |
4a933c85 RM |
426 | b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA); |
427 | udelay(1); | |
428 | b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA); | |
429 | b43_nphy_bmac_clock_fgc(dev, 0); | |
430 | /* TODO: N PHY Force RF Seq with argument 2 */ | |
95b66bad MB |
431 | } |
432 | ||
2faa6b83 RM |
433 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */ |
434 | static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est, | |
435 | u16 samps, u8 time, bool wait) | |
436 | { | |
437 | int i; | |
438 | u16 tmp; | |
439 | ||
440 | b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps); | |
441 | b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time); | |
442 | if (wait) | |
443 | b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE); | |
444 | else | |
445 | b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE); | |
446 | ||
447 | b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START); | |
448 | ||
449 | for (i = 1000; i; i--) { | |
450 | tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD); | |
451 | if (!(tmp & B43_NPHY_IQEST_CMD_START)) { | |
452 | est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) | | |
453 | b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0); | |
454 | est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) | | |
455 | b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0); | |
456 | est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) | | |
457 | b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0); | |
458 | ||
459 | est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) | | |
460 | b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1); | |
461 | est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) | | |
462 | b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1); | |
463 | est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) | | |
464 | b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1); | |
465 | return; | |
466 | } | |
467 | udelay(10); | |
468 | } | |
469 | memset(est, 0, sizeof(*est)); | |
470 | } | |
471 | ||
a67162ab RM |
472 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqCoeffs */ |
473 | static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write, | |
474 | struct b43_phy_n_iq_comp *pcomp) | |
475 | { | |
476 | if (write) { | |
477 | b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPA0, pcomp->a0); | |
478 | b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPB0, pcomp->b0); | |
479 | b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPA1, pcomp->a1); | |
480 | b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPB1, pcomp->b1); | |
481 | } else { | |
482 | pcomp->a0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPA0); | |
483 | pcomp->b0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPB0); | |
484 | pcomp->a1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPA1); | |
485 | pcomp->b1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPB1); | |
486 | } | |
487 | } | |
488 | ||
34a56f2c RM |
489 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */ |
490 | static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask) | |
491 | { | |
492 | int i; | |
493 | s32 iq; | |
494 | u32 ii; | |
495 | u32 qq; | |
496 | int iq_nbits, qq_nbits; | |
497 | int arsh, brsh; | |
498 | u16 tmp, a, b; | |
499 | ||
500 | struct nphy_iq_est est; | |
501 | struct b43_phy_n_iq_comp old; | |
502 | struct b43_phy_n_iq_comp new = { }; | |
503 | bool error = false; | |
504 | ||
505 | if (mask == 0) | |
506 | return; | |
507 | ||
508 | b43_nphy_rx_iq_coeffs(dev, false, &old); | |
509 | b43_nphy_rx_iq_coeffs(dev, true, &new); | |
510 | b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false); | |
511 | new = old; | |
512 | ||
513 | for (i = 0; i < 2; i++) { | |
514 | if (i == 0 && (mask & 1)) { | |
515 | iq = est.iq0_prod; | |
516 | ii = est.i0_pwr; | |
517 | qq = est.q0_pwr; | |
518 | } else if (i == 1 && (mask & 2)) { | |
519 | iq = est.iq1_prod; | |
520 | ii = est.i1_pwr; | |
521 | qq = est.q1_pwr; | |
522 | } else { | |
523 | B43_WARN_ON(1); | |
524 | continue; | |
525 | } | |
526 | ||
527 | if (ii + qq < 2) { | |
528 | error = true; | |
529 | break; | |
530 | } | |
531 | ||
532 | iq_nbits = fls(abs(iq)); | |
533 | qq_nbits = fls(qq); | |
534 | ||
535 | arsh = iq_nbits - 20; | |
536 | if (arsh >= 0) { | |
537 | a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh))); | |
538 | tmp = ii >> arsh; | |
539 | } else { | |
540 | a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh))); | |
541 | tmp = ii << -arsh; | |
542 | } | |
543 | if (tmp == 0) { | |
544 | error = true; | |
545 | break; | |
546 | } | |
547 | a /= tmp; | |
548 | ||
549 | brsh = qq_nbits - 11; | |
550 | if (brsh >= 0) { | |
551 | b = (qq << (31 - qq_nbits)); | |
552 | tmp = ii >> brsh; | |
553 | } else { | |
554 | b = (qq << (31 - qq_nbits)); | |
555 | tmp = ii << -brsh; | |
556 | } | |
557 | if (tmp == 0) { | |
558 | error = true; | |
559 | break; | |
560 | } | |
561 | b = int_sqrt(b / tmp - a * a) - (1 << 10); | |
562 | ||
563 | if (i == 0 && (mask & 0x1)) { | |
564 | if (dev->phy.rev >= 3) { | |
565 | new.a0 = a & 0x3FF; | |
566 | new.b0 = b & 0x3FF; | |
567 | } else { | |
568 | new.a0 = b & 0x3FF; | |
569 | new.b0 = a & 0x3FF; | |
570 | } | |
571 | } else if (i == 1 && (mask & 0x2)) { | |
572 | if (dev->phy.rev >= 3) { | |
573 | new.a1 = a & 0x3FF; | |
574 | new.b1 = b & 0x3FF; | |
575 | } else { | |
576 | new.a1 = b & 0x3FF; | |
577 | new.b1 = a & 0x3FF; | |
578 | } | |
579 | } | |
580 | } | |
581 | ||
582 | if (error) | |
583 | new = old; | |
584 | ||
585 | b43_nphy_rx_iq_coeffs(dev, true, &new); | |
586 | } | |
587 | ||
09146400 RM |
588 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */ |
589 | static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev) | |
590 | { | |
591 | u16 array[4]; | |
592 | int i; | |
593 | ||
594 | b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x3C50); | |
595 | for (i = 0; i < 4; i++) | |
596 | array[i] = b43_phy_read(dev, B43_NPHY_TABLE_DATALO); | |
597 | ||
598 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]); | |
599 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]); | |
600 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]); | |
601 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]); | |
602 | } | |
603 | ||
bbec398c RM |
604 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */ |
605 | static void b43_nphy_write_clip_detection(struct b43_wldev *dev, u16 *clip_st) | |
606 | { | |
607 | b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]); | |
608 | b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]); | |
609 | } | |
610 | ||
611 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */ | |
612 | static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st) | |
613 | { | |
614 | clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES); | |
615 | clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES); | |
616 | } | |
617 | ||
618 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */ | |
619 | static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val) | |
620 | { | |
621 | u16 tmp; | |
622 | ||
623 | if (dev->dev->id.revision == 16) | |
624 | b43_mac_suspend(dev); | |
625 | ||
626 | tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL); | |
627 | tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN | | |
628 | B43_NPHY_CLASSCTL_WAITEDEN); | |
629 | tmp &= ~mask; | |
630 | tmp |= (val & mask); | |
631 | b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp); | |
632 | ||
633 | if (dev->dev->id.revision == 16) | |
634 | b43_mac_enable(dev); | |
635 | ||
636 | return tmp; | |
637 | } | |
638 | ||
5c1a140a RM |
639 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */ |
640 | static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable) | |
641 | { | |
642 | struct b43_phy *phy = &dev->phy; | |
643 | struct b43_phy_n *nphy = phy->n; | |
644 | ||
645 | if (enable) { | |
646 | u16 clip[] = { 0xFFFF, 0xFFFF }; | |
647 | if (nphy->deaf_count++ == 0) { | |
648 | nphy->classifier_state = b43_nphy_classifier(dev, 0, 0); | |
649 | b43_nphy_classifier(dev, 0x7, 0); | |
650 | b43_nphy_read_clip_detection(dev, nphy->clip_state); | |
651 | b43_nphy_write_clip_detection(dev, clip); | |
652 | } | |
653 | b43_nphy_reset_cca(dev); | |
654 | } else { | |
655 | if (--nphy->deaf_count == 0) { | |
656 | b43_nphy_classifier(dev, 0x7, nphy->classifier_state); | |
657 | b43_nphy_write_clip_detection(dev, nphy->clip_state); | |
658 | } | |
659 | } | |
660 | } | |
661 | ||
95b66bad MB |
662 | enum b43_nphy_rf_sequence { |
663 | B43_RFSEQ_RX2TX, | |
664 | B43_RFSEQ_TX2RX, | |
665 | B43_RFSEQ_RESET2RX, | |
666 | B43_RFSEQ_UPDATE_GAINH, | |
667 | B43_RFSEQ_UPDATE_GAINL, | |
668 | B43_RFSEQ_UPDATE_GAINU, | |
669 | }; | |
670 | ||
671 | static void b43_nphy_force_rf_sequence(struct b43_wldev *dev, | |
672 | enum b43_nphy_rf_sequence seq) | |
673 | { | |
674 | static const u16 trigger[] = { | |
675 | [B43_RFSEQ_RX2TX] = B43_NPHY_RFSEQTR_RX2TX, | |
676 | [B43_RFSEQ_TX2RX] = B43_NPHY_RFSEQTR_TX2RX, | |
677 | [B43_RFSEQ_RESET2RX] = B43_NPHY_RFSEQTR_RST2RX, | |
678 | [B43_RFSEQ_UPDATE_GAINH] = B43_NPHY_RFSEQTR_UPGH, | |
679 | [B43_RFSEQ_UPDATE_GAINL] = B43_NPHY_RFSEQTR_UPGL, | |
680 | [B43_RFSEQ_UPDATE_GAINU] = B43_NPHY_RFSEQTR_UPGU, | |
681 | }; | |
682 | int i; | |
683 | ||
684 | B43_WARN_ON(seq >= ARRAY_SIZE(trigger)); | |
685 | ||
686 | b43_phy_set(dev, B43_NPHY_RFSEQMODE, | |
687 | B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER); | |
688 | b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]); | |
689 | for (i = 0; i < 200; i++) { | |
690 | if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq])) | |
691 | goto ok; | |
692 | msleep(1); | |
693 | } | |
694 | b43err(dev->wl, "RF sequence status timeout\n"); | |
695 | ok: | |
696 | b43_phy_mask(dev, B43_NPHY_RFSEQMODE, | |
697 | ~(B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER)); | |
698 | } | |
699 | ||
700 | static void b43_nphy_bphy_init(struct b43_wldev *dev) | |
701 | { | |
702 | unsigned int i; | |
703 | u16 val; | |
704 | ||
705 | val = 0x1E1F; | |
706 | for (i = 0; i < 14; i++) { | |
707 | b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val); | |
708 | val -= 0x202; | |
709 | } | |
710 | val = 0x3E3F; | |
711 | for (i = 0; i < 16; i++) { | |
712 | b43_phy_write(dev, B43_PHY_N_BMODE(0x97 + i), val); | |
713 | val -= 0x202; | |
714 | } | |
715 | b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668); | |
716 | } | |
717 | ||
3c95627d RM |
718 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */ |
719 | static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale, | |
720 | s8 offset, u8 core, u8 rail, u8 type) | |
721 | { | |
722 | u16 tmp; | |
723 | bool core1or5 = (core == 1) || (core == 5); | |
724 | bool core2or5 = (core == 2) || (core == 5); | |
725 | ||
726 | offset = clamp_val(offset, -32, 31); | |
727 | tmp = ((scale & 0x3F) << 8) | (offset & 0x3F); | |
728 | ||
729 | if (core1or5 && (rail == 0) && (type == 2)) | |
730 | b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp); | |
731 | if (core1or5 && (rail == 1) && (type == 2)) | |
732 | b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp); | |
733 | if (core2or5 && (rail == 0) && (type == 2)) | |
734 | b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp); | |
735 | if (core2or5 && (rail == 1) && (type == 2)) | |
736 | b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp); | |
737 | if (core1or5 && (rail == 0) && (type == 0)) | |
738 | b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp); | |
739 | if (core1or5 && (rail == 1) && (type == 0)) | |
740 | b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp); | |
741 | if (core2or5 && (rail == 0) && (type == 0)) | |
742 | b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp); | |
743 | if (core2or5 && (rail == 1) && (type == 0)) | |
744 | b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp); | |
745 | if (core1or5 && (rail == 0) && (type == 1)) | |
746 | b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp); | |
747 | if (core1or5 && (rail == 1) && (type == 1)) | |
748 | b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp); | |
749 | if (core2or5 && (rail == 0) && (type == 1)) | |
750 | b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp); | |
751 | if (core2or5 && (rail == 1) && (type == 1)) | |
752 | b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp); | |
753 | if (core1or5 && (rail == 0) && (type == 6)) | |
754 | b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp); | |
755 | if (core1or5 && (rail == 1) && (type == 6)) | |
756 | b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp); | |
757 | if (core2or5 && (rail == 0) && (type == 6)) | |
758 | b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp); | |
759 | if (core2or5 && (rail == 1) && (type == 6)) | |
760 | b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp); | |
761 | if (core1or5 && (rail == 0) && (type == 3)) | |
762 | b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp); | |
763 | if (core1or5 && (rail == 1) && (type == 3)) | |
764 | b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp); | |
765 | if (core2or5 && (rail == 0) && (type == 3)) | |
766 | b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp); | |
767 | if (core2or5 && (rail == 1) && (type == 3)) | |
768 | b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp); | |
769 | if (core1or5 && (type == 4)) | |
770 | b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp); | |
771 | if (core2or5 && (type == 4)) | |
772 | b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp); | |
773 | if (core1or5 && (type == 5)) | |
774 | b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp); | |
775 | if (core2or5 && (type == 5)) | |
776 | b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp); | |
777 | } | |
778 | ||
779 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */ | |
780 | static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, u8 type) | |
781 | { | |
782 | u16 val; | |
783 | ||
784 | if (dev->phy.rev >= 3) { | |
785 | /* TODO */ | |
786 | } else { | |
787 | if (type < 3) | |
788 | val = 0; | |
789 | else if (type == 6) | |
790 | val = 1; | |
791 | else if (type == 3) | |
792 | val = 2; | |
793 | else | |
794 | val = 3; | |
795 | ||
796 | val = (val << 12) | (val << 14); | |
797 | b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val); | |
798 | b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val); | |
799 | ||
800 | if (type < 3) { | |
801 | b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF, | |
802 | (type + 1) << 4); | |
803 | b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF, | |
804 | (type + 1) << 4); | |
805 | } | |
806 | ||
807 | /* TODO use some definitions */ | |
808 | if (code == 0) { | |
809 | b43_phy_maskset(dev, B43_NPHY_AFECTL_OVER, 0xCFFF, 0); | |
810 | if (type < 3) { | |
811 | b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, | |
812 | 0xFEC7, 0); | |
813 | b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, | |
814 | 0xEFDC, 0); | |
815 | b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, | |
816 | 0xFFFE, 0); | |
817 | udelay(20); | |
818 | b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, | |
819 | 0xFFFE, 0); | |
820 | } | |
821 | } else { | |
822 | b43_phy_maskset(dev, B43_NPHY_AFECTL_OVER, 0xCFFF, | |
823 | 0x3000); | |
824 | if (type < 3) { | |
825 | b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, | |
826 | 0xFEC7, 0x0180); | |
827 | b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, | |
828 | 0xEFDC, (code << 1 | 0x1021)); | |
829 | b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, | |
830 | 0xFFFE, 0x0001); | |
831 | udelay(20); | |
832 | b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, | |
833 | 0xFFFE, 0); | |
834 | } | |
835 | } | |
836 | } | |
837 | } | |
838 | ||
dfb4aa5d RM |
839 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */ |
840 | static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, u8 type, u8 *buf) | |
841 | { | |
842 | int i; | |
843 | for (i = 0; i < 2; i++) { | |
844 | if (type == 2) { | |
845 | if (i == 0) { | |
846 | b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM, | |
847 | 0xFC, buf[0]); | |
848 | b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5, | |
849 | 0xFC, buf[1]); | |
850 | } else { | |
851 | b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM, | |
852 | 0xFC, buf[2 * i]); | |
853 | b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5, | |
854 | 0xFC, buf[2 * i + 1]); | |
855 | } | |
856 | } else { | |
857 | if (i == 0) | |
858 | b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5, | |
859 | 0xF3, buf[0] << 2); | |
860 | else | |
861 | b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5, | |
862 | 0xF3, buf[2 * i + 1] << 2); | |
863 | } | |
864 | } | |
865 | } | |
866 | ||
867 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */ | |
868 | static int b43_nphy_poll_rssi(struct b43_wldev *dev, u8 type, s32 *buf, | |
869 | u8 nsamp) | |
870 | { | |
871 | int i; | |
872 | int out; | |
873 | u16 save_regs_phy[9]; | |
874 | u16 s[2]; | |
875 | ||
876 | if (dev->phy.rev >= 3) { | |
877 | save_regs_phy[0] = b43_phy_read(dev, | |
878 | B43_NPHY_RFCTL_LUT_TRSW_UP1); | |
879 | save_regs_phy[1] = b43_phy_read(dev, | |
880 | B43_NPHY_RFCTL_LUT_TRSW_UP2); | |
881 | save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_C1); | |
882 | save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_AFECTL_C2); | |
883 | save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1); | |
884 | save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER); | |
885 | save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0); | |
886 | save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1); | |
887 | } | |
888 | ||
889 | b43_nphy_rssi_select(dev, 5, type); | |
890 | ||
891 | if (dev->phy.rev < 2) { | |
892 | save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL); | |
893 | b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5); | |
894 | } | |
895 | ||
896 | for (i = 0; i < 4; i++) | |
897 | buf[i] = 0; | |
898 | ||
899 | for (i = 0; i < nsamp; i++) { | |
900 | if (dev->phy.rev < 2) { | |
901 | s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT); | |
902 | s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT); | |
903 | } else { | |
904 | s[0] = b43_phy_read(dev, B43_NPHY_RSSI1); | |
905 | s[1] = b43_phy_read(dev, B43_NPHY_RSSI2); | |
906 | } | |
907 | ||
908 | buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2; | |
909 | buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2; | |
910 | buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2; | |
911 | buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2; | |
912 | } | |
913 | out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 | | |
914 | (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF); | |
915 | ||
916 | if (dev->phy.rev < 2) | |
917 | b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]); | |
918 | ||
919 | if (dev->phy.rev >= 3) { | |
920 | b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, | |
921 | save_regs_phy[0]); | |
922 | b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, | |
923 | save_regs_phy[1]); | |
924 | b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[2]); | |
925 | b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[3]); | |
926 | b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]); | |
927 | b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]); | |
928 | b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]); | |
929 | b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]); | |
930 | } | |
931 | ||
932 | return out; | |
933 | } | |
934 | ||
4cb99775 RM |
935 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */ |
936 | static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type) | |
95b66bad | 937 | { |
90b9738d RM |
938 | int i, j; |
939 | u8 state[4]; | |
940 | u8 code, val; | |
941 | u16 class, override; | |
942 | u8 regs_save_radio[2]; | |
943 | u16 regs_save_phy[2]; | |
944 | s8 offset[4]; | |
945 | ||
946 | u16 clip_state[2]; | |
947 | u16 clip_off[2] = { 0xFFFF, 0xFFFF }; | |
948 | s32 results_min[4] = { }; | |
949 | u8 vcm_final[4] = { }; | |
950 | s32 results[4][4] = { }; | |
951 | s32 miniq[4][2] = { }; | |
952 | ||
953 | if (type == 2) { | |
954 | code = 0; | |
955 | val = 6; | |
956 | } else if (type < 2) { | |
957 | code = 25; | |
958 | val = 4; | |
959 | } else { | |
960 | B43_WARN_ON(1); | |
961 | return; | |
962 | } | |
963 | ||
964 | class = b43_nphy_classifier(dev, 0, 0); | |
965 | b43_nphy_classifier(dev, 7, 4); | |
966 | b43_nphy_read_clip_detection(dev, clip_state); | |
967 | b43_nphy_write_clip_detection(dev, clip_off); | |
968 | ||
969 | if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) | |
970 | override = 0x140; | |
971 | else | |
972 | override = 0x110; | |
973 | ||
974 | regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1); | |
975 | regs_save_radio[0] = b43_radio_read16(dev, B2055_C1_PD_RXTX); | |
976 | b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override); | |
977 | b43_radio_write16(dev, B2055_C1_PD_RXTX, val); | |
978 | ||
979 | regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2); | |
980 | regs_save_radio[1] = b43_radio_read16(dev, B2055_C2_PD_RXTX); | |
981 | b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override); | |
982 | b43_radio_write16(dev, B2055_C2_PD_RXTX, val); | |
983 | ||
984 | state[0] = b43_radio_read16(dev, B2055_C1_PD_RSSIMISC) & 0x07; | |
985 | state[1] = b43_radio_read16(dev, B2055_C2_PD_RSSIMISC) & 0x07; | |
986 | b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8); | |
987 | b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8); | |
988 | state[2] = b43_radio_read16(dev, B2055_C1_SP_RSSI) & 0x07; | |
989 | state[3] = b43_radio_read16(dev, B2055_C2_SP_RSSI) & 0x07; | |
990 | ||
991 | b43_nphy_rssi_select(dev, 5, type); | |
992 | b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 0, type); | |
993 | b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 1, type); | |
994 | ||
995 | for (i = 0; i < 4; i++) { | |
996 | u8 tmp[4]; | |
997 | for (j = 0; j < 4; j++) | |
998 | tmp[j] = i; | |
999 | if (type != 1) | |
1000 | b43_nphy_set_rssi_2055_vcm(dev, type, tmp); | |
1001 | b43_nphy_poll_rssi(dev, type, results[i], 8); | |
1002 | if (type < 2) | |
1003 | for (j = 0; j < 2; j++) | |
1004 | miniq[i][j] = min(results[i][2 * j], | |
1005 | results[i][2 * j + 1]); | |
1006 | } | |
1007 | ||
1008 | for (i = 0; i < 4; i++) { | |
1009 | s32 mind = 40; | |
1010 | u8 minvcm = 0; | |
1011 | s32 minpoll = 249; | |
1012 | s32 curr; | |
1013 | for (j = 0; j < 4; j++) { | |
1014 | if (type == 2) | |
1015 | curr = abs(results[j][i]); | |
1016 | else | |
1017 | curr = abs(miniq[j][i / 2] - code * 8); | |
1018 | ||
1019 | if (curr < mind) { | |
1020 | mind = curr; | |
1021 | minvcm = j; | |
1022 | } | |
1023 | ||
1024 | if (results[j][i] < minpoll) | |
1025 | minpoll = results[j][i]; | |
1026 | } | |
1027 | results_min[i] = minpoll; | |
1028 | vcm_final[i] = minvcm; | |
1029 | } | |
1030 | ||
1031 | if (type != 1) | |
1032 | b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final); | |
1033 | ||
1034 | for (i = 0; i < 4; i++) { | |
1035 | offset[i] = (code * 8) - results[vcm_final[i]][i]; | |
1036 | ||
1037 | if (offset[i] < 0) | |
1038 | offset[i] = -((abs(offset[i]) + 4) / 8); | |
1039 | else | |
1040 | offset[i] = (offset[i] + 4) / 8; | |
1041 | ||
1042 | if (results_min[i] == 248) | |
1043 | offset[i] = code - 32; | |
1044 | ||
1045 | if (i % 2 == 0) | |
1046 | b43_nphy_scale_offset_rssi(dev, 0, offset[i], 1, 0, | |
1047 | type); | |
1048 | else | |
1049 | b43_nphy_scale_offset_rssi(dev, 0, offset[i], 2, 1, | |
1050 | type); | |
1051 | } | |
1052 | ||
1053 | b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]); | |
1054 | b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[1]); | |
1055 | ||
1056 | switch (state[2]) { | |
1057 | case 1: | |
1058 | b43_nphy_rssi_select(dev, 1, 2); | |
1059 | break; | |
1060 | case 4: | |
1061 | b43_nphy_rssi_select(dev, 1, 0); | |
1062 | break; | |
1063 | case 2: | |
1064 | b43_nphy_rssi_select(dev, 1, 1); | |
1065 | break; | |
1066 | default: | |
1067 | b43_nphy_rssi_select(dev, 1, 1); | |
1068 | break; | |
1069 | } | |
1070 | ||
1071 | switch (state[3]) { | |
1072 | case 1: | |
1073 | b43_nphy_rssi_select(dev, 2, 2); | |
1074 | break; | |
1075 | case 4: | |
1076 | b43_nphy_rssi_select(dev, 2, 0); | |
1077 | break; | |
1078 | default: | |
1079 | b43_nphy_rssi_select(dev, 2, 1); | |
1080 | break; | |
1081 | } | |
1082 | ||
1083 | b43_nphy_rssi_select(dev, 0, type); | |
1084 | ||
1085 | b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]); | |
1086 | b43_radio_write16(dev, B2055_C1_PD_RXTX, regs_save_radio[0]); | |
1087 | b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]); | |
1088 | b43_radio_write16(dev, B2055_C2_PD_RXTX, regs_save_radio[1]); | |
1089 | ||
1090 | b43_nphy_classifier(dev, 7, class); | |
1091 | b43_nphy_write_clip_detection(dev, clip_state); | |
4cb99775 RM |
1092 | } |
1093 | ||
1094 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */ | |
1095 | static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev) | |
1096 | { | |
1097 | /* TODO */ | |
1098 | } | |
1099 | ||
1100 | /* | |
1101 | * RSSI Calibration | |
1102 | * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal | |
1103 | */ | |
1104 | static void b43_nphy_rssi_cal(struct b43_wldev *dev) | |
1105 | { | |
1106 | if (dev->phy.rev >= 3) { | |
1107 | b43_nphy_rev3_rssi_cal(dev); | |
1108 | } else { | |
1109 | b43_nphy_rev2_rssi_cal(dev, 2); | |
1110 | b43_nphy_rev2_rssi_cal(dev, 0); | |
1111 | b43_nphy_rev2_rssi_cal(dev, 1); | |
1112 | } | |
95b66bad MB |
1113 | } |
1114 | ||
42e1547e RM |
1115 | /* |
1116 | * Restore RSSI Calibration | |
1117 | * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal | |
1118 | */ | |
1119 | static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev) | |
1120 | { | |
1121 | struct b43_phy_n *nphy = dev->phy.n; | |
1122 | ||
1123 | u16 *rssical_radio_regs = NULL; | |
1124 | u16 *rssical_phy_regs = NULL; | |
1125 | ||
1126 | if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { | |
1127 | if (!nphy->rssical_chanspec_2G) | |
1128 | return; | |
1129 | rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G; | |
1130 | rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G; | |
1131 | } else { | |
1132 | if (!nphy->rssical_chanspec_5G) | |
1133 | return; | |
1134 | rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G; | |
1135 | rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G; | |
1136 | } | |
1137 | ||
1138 | /* TODO use some definitions */ | |
1139 | b43_radio_maskset(dev, 0x602B, 0xE3, rssical_radio_regs[0]); | |
1140 | b43_radio_maskset(dev, 0x702B, 0xE3, rssical_radio_regs[1]); | |
1141 | ||
1142 | b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]); | |
1143 | b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]); | |
1144 | b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]); | |
1145 | b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]); | |
1146 | ||
1147 | b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]); | |
1148 | b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]); | |
1149 | b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]); | |
1150 | b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]); | |
1151 | ||
1152 | b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]); | |
1153 | b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]); | |
1154 | b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]); | |
1155 | b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]); | |
1156 | } | |
1157 | ||
2f258b74 RM |
1158 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetIpaGainTbl */ |
1159 | static const u32 *b43_nphy_get_ipa_gain_table(struct b43_wldev *dev) | |
1160 | { | |
1161 | if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { | |
1162 | if (dev->phy.rev >= 6) { | |
1163 | /* TODO If the chip is 47162 | |
1164 | return txpwrctrl_tx_gain_ipa_rev5 */ | |
1165 | return txpwrctrl_tx_gain_ipa_rev6; | |
1166 | } else if (dev->phy.rev >= 5) { | |
1167 | return txpwrctrl_tx_gain_ipa_rev5; | |
1168 | } else { | |
1169 | return txpwrctrl_tx_gain_ipa; | |
1170 | } | |
1171 | } else { | |
1172 | return txpwrctrl_tx_gain_ipa_5g; | |
1173 | } | |
1174 | } | |
1175 | ||
c4a92003 RM |
1176 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */ |
1177 | static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev) | |
1178 | { | |
1179 | struct b43_phy_n *nphy = dev->phy.n; | |
1180 | u16 *save = nphy->tx_rx_cal_radio_saveregs; | |
1181 | ||
1182 | if (dev->phy.rev >= 3) { | |
1183 | /* TODO */ | |
1184 | } else { | |
1185 | save[0] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL1); | |
1186 | b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL1, 0x29); | |
1187 | ||
1188 | save[1] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL2); | |
1189 | b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL2, 0x54); | |
1190 | ||
1191 | save[2] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL1); | |
1192 | b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL1, 0x29); | |
1193 | ||
1194 | save[3] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL2); | |
1195 | b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL2, 0x54); | |
1196 | ||
1197 | save[3] = b43_radio_read16(dev, B2055_C1_PWRDET_RXTX); | |
1198 | save[4] = b43_radio_read16(dev, B2055_C2_PWRDET_RXTX); | |
1199 | ||
1200 | if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) & | |
1201 | B43_NPHY_BANDCTL_5GHZ)) { | |
1202 | b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x04); | |
1203 | b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x04); | |
1204 | } else { | |
1205 | b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x20); | |
1206 | b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x20); | |
1207 | } | |
1208 | ||
1209 | if (dev->phy.rev < 2) { | |
1210 | b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20); | |
1211 | b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20); | |
1212 | } else { | |
1213 | b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20); | |
1214 | b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20); | |
1215 | } | |
1216 | } | |
1217 | } | |
1218 | ||
e9762492 RM |
1219 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */ |
1220 | static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core, | |
1221 | struct nphy_txgains target, | |
1222 | struct nphy_iqcal_params *params) | |
1223 | { | |
1224 | int i, j, indx; | |
1225 | u16 gain; | |
1226 | ||
1227 | if (dev->phy.rev >= 3) { | |
1228 | params->txgm = target.txgm[core]; | |
1229 | params->pga = target.pga[core]; | |
1230 | params->pad = target.pad[core]; | |
1231 | params->ipa = target.ipa[core]; | |
1232 | params->cal_gain = (params->txgm << 12) | (params->pga << 8) | | |
1233 | (params->pad << 4) | (params->ipa); | |
1234 | for (j = 0; j < 5; j++) | |
1235 | params->ncorr[j] = 0x79; | |
1236 | } else { | |
1237 | gain = (target.pad[core]) | (target.pga[core] << 4) | | |
1238 | (target.txgm[core] << 8); | |
1239 | ||
1240 | indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? | |
1241 | 1 : 0; | |
1242 | for (i = 0; i < 9; i++) | |
1243 | if (tbl_iqcal_gainparams[indx][i][0] == gain) | |
1244 | break; | |
1245 | i = min(i, 8); | |
1246 | ||
1247 | params->txgm = tbl_iqcal_gainparams[indx][i][1]; | |
1248 | params->pga = tbl_iqcal_gainparams[indx][i][2]; | |
1249 | params->pad = tbl_iqcal_gainparams[indx][i][3]; | |
1250 | params->cal_gain = (params->txgm << 7) | (params->pga << 4) | | |
1251 | (params->pad << 2); | |
1252 | for (j = 0; j < 4; j++) | |
1253 | params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j]; | |
1254 | } | |
1255 | } | |
1256 | ||
de7ed0c6 RM |
1257 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */ |
1258 | static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core) | |
1259 | { | |
1260 | struct b43_phy_n *nphy = dev->phy.n; | |
1261 | int i; | |
1262 | u16 scale, entry; | |
1263 | ||
1264 | u16 tmp = nphy->txcal_bbmult; | |
1265 | if (core == 0) | |
1266 | tmp >>= 8; | |
1267 | tmp &= 0xff; | |
1268 | ||
1269 | for (i = 0; i < 18; i++) { | |
1270 | scale = (ladder_lo[i].percent * tmp) / 100; | |
1271 | entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env; | |
1272 | /* TODO: Write an N PHY Table with ID 15, length 1, | |
1273 | offset i, width 16, and data entry */ | |
1274 | ||
1275 | scale = (ladder_iq[i].percent * tmp) / 100; | |
1276 | entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env; | |
1277 | /* TODO: Write an N PHY Table with ID 15, length 1, | |
1278 | offset i + 32, width 16, and data entry */ | |
1279 | } | |
1280 | } | |
1281 | ||
b0022e15 RM |
1282 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */ |
1283 | static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev) | |
1284 | { | |
1285 | struct b43_phy_n *nphy = dev->phy.n; | |
1286 | ||
1287 | u16 curr_gain[2]; | |
1288 | struct nphy_txgains target; | |
1289 | const u32 *table = NULL; | |
1290 | ||
1291 | if (nphy->txpwrctrl == 0) { | |
1292 | int i; | |
1293 | ||
1294 | if (nphy->hang_avoid) | |
1295 | b43_nphy_stay_in_carrier_search(dev, true); | |
1296 | /* TODO: Read an N PHY Table with ID 7, length 2, | |
1297 | offset 0x110, width 16, and curr_gain */ | |
1298 | if (nphy->hang_avoid) | |
1299 | b43_nphy_stay_in_carrier_search(dev, false); | |
1300 | ||
1301 | for (i = 0; i < 2; ++i) { | |
1302 | if (dev->phy.rev >= 3) { | |
1303 | target.ipa[i] = curr_gain[i] & 0x000F; | |
1304 | target.pad[i] = (curr_gain[i] & 0x00F0) >> 4; | |
1305 | target.pga[i] = (curr_gain[i] & 0x0F00) >> 8; | |
1306 | target.txgm[i] = (curr_gain[i] & 0x7000) >> 12; | |
1307 | } else { | |
1308 | target.ipa[i] = curr_gain[i] & 0x0003; | |
1309 | target.pad[i] = (curr_gain[i] & 0x000C) >> 2; | |
1310 | target.pga[i] = (curr_gain[i] & 0x0070) >> 4; | |
1311 | target.txgm[i] = (curr_gain[i] & 0x0380) >> 7; | |
1312 | } | |
1313 | } | |
1314 | } else { | |
1315 | int i; | |
1316 | u16 index[2]; | |
1317 | index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) & | |
1318 | B43_NPHY_TXPCTL_STAT_BIDX) >> | |
1319 | B43_NPHY_TXPCTL_STAT_BIDX_SHIFT; | |
1320 | index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) & | |
1321 | B43_NPHY_TXPCTL_STAT_BIDX) >> | |
1322 | B43_NPHY_TXPCTL_STAT_BIDX_SHIFT; | |
1323 | ||
1324 | for (i = 0; i < 2; ++i) { | |
1325 | if (dev->phy.rev >= 3) { | |
1326 | enum ieee80211_band band = | |
1327 | b43_current_band(dev->wl); | |
1328 | ||
1329 | if ((nphy->ipa2g_on && | |
1330 | band == IEEE80211_BAND_2GHZ) || | |
1331 | (nphy->ipa5g_on && | |
1332 | band == IEEE80211_BAND_5GHZ)) { | |
1333 | table = b43_nphy_get_ipa_gain_table(dev); | |
1334 | } else { | |
1335 | if (band == IEEE80211_BAND_5GHZ) { | |
1336 | if (dev->phy.rev == 3) | |
1337 | table = b43_ntab_tx_gain_rev3_5ghz; | |
1338 | else if (dev->phy.rev == 4) | |
1339 | table = b43_ntab_tx_gain_rev4_5ghz; | |
1340 | else | |
1341 | table = b43_ntab_tx_gain_rev5plus_5ghz; | |
1342 | } else { | |
1343 | table = b43_ntab_tx_gain_rev3plus_2ghz; | |
1344 | } | |
1345 | } | |
1346 | ||
1347 | target.ipa[i] = (table[index[i]] >> 16) & 0xF; | |
1348 | target.pad[i] = (table[index[i]] >> 20) & 0xF; | |
1349 | target.pga[i] = (table[index[i]] >> 24) & 0xF; | |
1350 | target.txgm[i] = (table[index[i]] >> 28) & 0xF; | |
1351 | } else { | |
1352 | table = b43_ntab_tx_gain_rev0_1_2; | |
1353 | ||
1354 | target.ipa[i] = (table[index[i]] >> 16) & 0x3; | |
1355 | target.pad[i] = (table[index[i]] >> 18) & 0x3; | |
1356 | target.pga[i] = (table[index[i]] >> 20) & 0x7; | |
1357 | target.txgm[i] = (table[index[i]] >> 23) & 0x7; | |
1358 | } | |
1359 | } | |
1360 | } | |
1361 | ||
1362 | return target; | |
1363 | } | |
1364 | ||
2f258b74 RM |
1365 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */ |
1366 | static void b43_nphy_restore_cal(struct b43_wldev *dev) | |
1367 | { | |
1368 | struct b43_phy_n *nphy = dev->phy.n; | |
1369 | ||
1370 | u16 coef[4]; | |
1371 | u16 *loft = NULL; | |
1372 | u16 *table = NULL; | |
1373 | ||
1374 | int i; | |
1375 | u16 *txcal_radio_regs = NULL; | |
1376 | struct b43_phy_n_iq_comp *rxcal_coeffs = NULL; | |
1377 | ||
1378 | if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { | |
1379 | if (nphy->iqcal_chanspec_2G == 0) | |
1380 | return; | |
1381 | table = nphy->cal_cache.txcal_coeffs_2G; | |
1382 | loft = &nphy->cal_cache.txcal_coeffs_2G[5]; | |
1383 | } else { | |
1384 | if (nphy->iqcal_chanspec_5G == 0) | |
1385 | return; | |
1386 | table = nphy->cal_cache.txcal_coeffs_5G; | |
1387 | loft = &nphy->cal_cache.txcal_coeffs_5G[5]; | |
1388 | } | |
1389 | ||
1390 | /* TODO: Write an N PHY table with ID 15, length 4, offset 80, | |
1391 | width 16, and data from table */ | |
1392 | ||
1393 | for (i = 0; i < 4; i++) { | |
1394 | if (dev->phy.rev >= 3) | |
1395 | table[i] = coef[i]; | |
1396 | else | |
1397 | coef[i] = 0; | |
1398 | } | |
1399 | ||
1400 | /* TODO: Write an N PHY table with ID 15, length 4, offset 88, | |
1401 | width 16, and data from coef */ | |
1402 | /* TODO: Write an N PHY table with ID 15, length 2, offset 85, | |
1403 | width 16 and data from loft */ | |
1404 | /* TODO: Write an N PHY table with ID 15, length 2, offset 93, | |
1405 | width 16 and data from loft */ | |
1406 | ||
1407 | if (dev->phy.rev < 2) | |
1408 | b43_nphy_tx_iq_workaround(dev); | |
1409 | ||
1410 | if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { | |
1411 | txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G; | |
1412 | rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G; | |
1413 | } else { | |
1414 | txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G; | |
1415 | rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G; | |
1416 | } | |
1417 | ||
1418 | /* TODO use some definitions */ | |
1419 | if (dev->phy.rev >= 3) { | |
1420 | b43_radio_write(dev, 0x2021, txcal_radio_regs[0]); | |
1421 | b43_radio_write(dev, 0x2022, txcal_radio_regs[1]); | |
1422 | b43_radio_write(dev, 0x3021, txcal_radio_regs[2]); | |
1423 | b43_radio_write(dev, 0x3022, txcal_radio_regs[3]); | |
1424 | b43_radio_write(dev, 0x2023, txcal_radio_regs[4]); | |
1425 | b43_radio_write(dev, 0x2024, txcal_radio_regs[5]); | |
1426 | b43_radio_write(dev, 0x3023, txcal_radio_regs[6]); | |
1427 | b43_radio_write(dev, 0x3024, txcal_radio_regs[7]); | |
1428 | } else { | |
1429 | b43_radio_write(dev, 0x8B, txcal_radio_regs[0]); | |
1430 | b43_radio_write(dev, 0xBA, txcal_radio_regs[1]); | |
1431 | b43_radio_write(dev, 0x8D, txcal_radio_regs[2]); | |
1432 | b43_radio_write(dev, 0xBC, txcal_radio_regs[3]); | |
1433 | } | |
1434 | b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs); | |
1435 | } | |
1436 | ||
0988a7a1 RM |
1437 | /* |
1438 | * Init N-PHY | |
1439 | * http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N | |
1440 | */ | |
424047e6 MB |
1441 | int b43_phy_initn(struct b43_wldev *dev) |
1442 | { | |
0988a7a1 | 1443 | struct ssb_bus *bus = dev->dev->bus; |
95b66bad | 1444 | struct b43_phy *phy = &dev->phy; |
0988a7a1 RM |
1445 | struct b43_phy_n *nphy = phy->n; |
1446 | u8 tx_pwr_state; | |
1447 | struct nphy_txgains target; | |
95b66bad | 1448 | u16 tmp; |
0988a7a1 RM |
1449 | enum ieee80211_band tmp2; |
1450 | bool do_rssi_cal; | |
1451 | ||
1452 | u16 clip[2]; | |
1453 | bool do_cal = false; | |
95b66bad | 1454 | |
0988a7a1 RM |
1455 | if ((dev->phy.rev >= 3) && |
1456 | (bus->sprom.boardflags_lo & B43_BFL_EXTLNA) && | |
1457 | (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) { | |
1458 | chipco_set32(&dev->dev->bus->chipco, SSB_CHIPCO_CHIPCTL, 0x40); | |
1459 | } | |
1460 | nphy->deaf_count = 0; | |
95b66bad | 1461 | b43_nphy_tables_init(dev); |
0988a7a1 RM |
1462 | nphy->crsminpwr_adjusted = false; |
1463 | nphy->noisevars_adjusted = false; | |
95b66bad MB |
1464 | |
1465 | /* Clear all overrides */ | |
0988a7a1 RM |
1466 | if (dev->phy.rev >= 3) { |
1467 | b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0); | |
1468 | b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0); | |
1469 | b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0); | |
1470 | b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0); | |
1471 | } else { | |
1472 | b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0); | |
1473 | } | |
95b66bad MB |
1474 | b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0); |
1475 | b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0); | |
0988a7a1 RM |
1476 | if (dev->phy.rev < 6) { |
1477 | b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0); | |
1478 | b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0); | |
1479 | } | |
95b66bad MB |
1480 | b43_phy_mask(dev, B43_NPHY_RFSEQMODE, |
1481 | ~(B43_NPHY_RFSEQMODE_CAOVER | | |
1482 | B43_NPHY_RFSEQMODE_TROVER)); | |
0988a7a1 RM |
1483 | if (dev->phy.rev >= 3) |
1484 | b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0); | |
95b66bad MB |
1485 | b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0); |
1486 | ||
0988a7a1 RM |
1487 | if (dev->phy.rev <= 2) { |
1488 | tmp = (dev->phy.rev == 2) ? 0x3B : 0x40; | |
1489 | b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, | |
1490 | ~B43_NPHY_BPHY_CTL3_SCALE, | |
1491 | tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT); | |
1492 | } | |
95b66bad MB |
1493 | b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20); |
1494 | b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20); | |
1495 | ||
0988a7a1 RM |
1496 | if (bus->sprom.boardflags2_lo & 0x100 || |
1497 | (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE && | |
1498 | bus->boardinfo.type == 0x8B)) | |
1499 | b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0); | |
1500 | else | |
1501 | b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8); | |
1502 | b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8); | |
1503 | b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50); | |
1504 | b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30); | |
424047e6 | 1505 | |
0988a7a1 RM |
1506 | /* TODO MIMO-Config */ |
1507 | /* TODO Update TX/RX chain */ | |
95b66bad MB |
1508 | |
1509 | if (phy->rev < 2) { | |
1510 | b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8); | |
1511 | b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4); | |
1512 | } | |
0988a7a1 RM |
1513 | |
1514 | tmp2 = b43_current_band(dev->wl); | |
1515 | if ((nphy->ipa2g_on && tmp2 == IEEE80211_BAND_2GHZ) || | |
1516 | (nphy->ipa5g_on && tmp2 == IEEE80211_BAND_5GHZ)) { | |
1517 | b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1); | |
1518 | b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F, | |
1519 | nphy->papd_epsilon_offset[0] << 7); | |
1520 | b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1); | |
1521 | b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F, | |
1522 | nphy->papd_epsilon_offset[1] << 7); | |
1523 | /* TODO N PHY IPA Set TX Dig Filters */ | |
1524 | } else if (phy->rev >= 5) { | |
1525 | /* TODO N PHY Ext PA Set TX Dig Filters */ | |
1526 | } | |
1527 | ||
95b66bad | 1528 | b43_nphy_workarounds(dev); |
95b66bad | 1529 | |
0988a7a1 RM |
1530 | /* Reset CCA, in init code it differs a little from standard way */ |
1531 | /* b43_nphy_bmac_clock_fgc(dev, 1); */ | |
1532 | tmp = b43_phy_read(dev, B43_NPHY_BBCFG); | |
1533 | b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA); | |
1534 | b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA); | |
1535 | /* b43_nphy_bmac_clock_fgc(dev, 0); */ | |
1536 | ||
1537 | /* TODO N PHY MAC PHY Clock Set with argument 1 */ | |
1538 | ||
e50cbcf6 | 1539 | b43_nphy_pa_override(dev, false); |
95b66bad MB |
1540 | b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX); |
1541 | b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); | |
e50cbcf6 | 1542 | b43_nphy_pa_override(dev, true); |
0988a7a1 | 1543 | |
bbec398c RM |
1544 | b43_nphy_classifier(dev, 0, 0); |
1545 | b43_nphy_read_clip_detection(dev, clip); | |
0988a7a1 RM |
1546 | tx_pwr_state = nphy->txpwrctrl; |
1547 | /* TODO N PHY TX power control with argument 0 | |
1548 | (turning off power control) */ | |
1549 | /* TODO Fix the TX Power Settings */ | |
1550 | /* TODO N PHY TX Power Control Idle TSSI */ | |
1551 | /* TODO N PHY TX Power Control Setup */ | |
1552 | ||
1553 | if (phy->rev >= 3) { | |
1554 | /* TODO */ | |
1555 | } else { | |
1556 | /* TODO Write an N PHY table with ID 26, length 128, offset 192, width 32, and the data from Rev 2 TX Power Control Table */ | |
1557 | /* TODO Write an N PHY table with ID 27, length 128, offset 192, width 32, and the data from Rev 2 TX Power Control Table */ | |
1558 | } | |
95b66bad | 1559 | |
0988a7a1 RM |
1560 | if (nphy->phyrxchain != 3) |
1561 | ;/* TODO N PHY RX Core Set State with phyrxchain as argument */ | |
1562 | if (nphy->mphase_cal_phase_id > 0) | |
1563 | ;/* TODO PHY Periodic Calibration Multi-Phase Restart */ | |
1564 | ||
1565 | do_rssi_cal = false; | |
1566 | if (phy->rev >= 3) { | |
1567 | if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) | |
1568 | do_rssi_cal = (nphy->rssical_chanspec_2G == 0); | |
1569 | else | |
1570 | do_rssi_cal = (nphy->rssical_chanspec_5G == 0); | |
1571 | ||
1572 | if (do_rssi_cal) | |
4cb99775 | 1573 | b43_nphy_rssi_cal(dev); |
0988a7a1 | 1574 | else |
42e1547e | 1575 | b43_nphy_restore_rssi_cal(dev); |
0988a7a1 | 1576 | } else { |
4cb99775 | 1577 | b43_nphy_rssi_cal(dev); |
0988a7a1 RM |
1578 | } |
1579 | ||
1580 | if (!((nphy->measure_hold & 0x6) != 0)) { | |
1581 | if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) | |
1582 | do_cal = (nphy->iqcal_chanspec_2G == 0); | |
1583 | else | |
1584 | do_cal = (nphy->iqcal_chanspec_5G == 0); | |
1585 | ||
1586 | if (nphy->mute) | |
1587 | do_cal = false; | |
1588 | ||
1589 | if (do_cal) { | |
b0022e15 | 1590 | target = b43_nphy_get_tx_gains(dev); |
0988a7a1 RM |
1591 | |
1592 | if (nphy->antsel_type == 2) | |
1593 | ;/*TODO NPHY Superswitch Init with argument 1*/ | |
1594 | if (nphy->perical != 2) { | |
90b9738d | 1595 | b43_nphy_rssi_cal(dev); |
0988a7a1 RM |
1596 | if (phy->rev >= 3) { |
1597 | nphy->cal_orig_pwr_idx[0] = | |
1598 | nphy->txpwrindex[0].index_internal; | |
1599 | nphy->cal_orig_pwr_idx[1] = | |
1600 | nphy->txpwrindex[1].index_internal; | |
1601 | /* TODO N PHY Pre Calibrate TX Gain */ | |
b0022e15 | 1602 | target = b43_nphy_get_tx_gains(dev); |
0988a7a1 RM |
1603 | } |
1604 | } | |
1605 | } | |
1606 | } | |
1607 | ||
1608 | /* | |
1609 | if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false)) { | |
1610 | if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0) | |
1611 | Call N PHY Save Cal | |
1612 | else if (nphy->mphase_cal_phase_id == 0) | |
1613 | N PHY Periodic Calibration with argument 3 | |
1614 | } else { | |
1615 | b43_nphy_restore_cal(dev); | |
1616 | } | |
1617 | */ | |
1618 | ||
1619 | /* b43_nphy_tx_pwr_ctrl_coef_setup(dev); */ | |
1620 | /* TODO N PHY TX Power Control Enable with argument tx_pwr_state */ | |
1621 | b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015); | |
1622 | b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320); | |
1623 | if (phy->rev >= 3 && phy->rev <= 6) | |
1624 | b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0014); | |
fe3e46e8 | 1625 | b43_nphy_tx_lp_fbw(dev); |
0988a7a1 | 1626 | /* TODO N PHY Spur Workaround */ |
95b66bad MB |
1627 | |
1628 | b43err(dev->wl, "IEEE 802.11n devices are not supported, yet.\n"); | |
53a6e234 | 1629 | return 0; |
424047e6 | 1630 | } |
ef1a628d MB |
1631 | |
1632 | static int b43_nphy_op_allocate(struct b43_wldev *dev) | |
1633 | { | |
1634 | struct b43_phy_n *nphy; | |
1635 | ||
1636 | nphy = kzalloc(sizeof(*nphy), GFP_KERNEL); | |
1637 | if (!nphy) | |
1638 | return -ENOMEM; | |
1639 | dev->phy.n = nphy; | |
1640 | ||
ef1a628d MB |
1641 | return 0; |
1642 | } | |
1643 | ||
fb11137a | 1644 | static void b43_nphy_op_prepare_structs(struct b43_wldev *dev) |
ef1a628d | 1645 | { |
fb11137a MB |
1646 | struct b43_phy *phy = &dev->phy; |
1647 | struct b43_phy_n *nphy = phy->n; | |
ef1a628d | 1648 | |
fb11137a | 1649 | memset(nphy, 0, sizeof(*nphy)); |
ef1a628d | 1650 | |
fb11137a | 1651 | //TODO init struct b43_phy_n |
ef1a628d MB |
1652 | } |
1653 | ||
fb11137a | 1654 | static void b43_nphy_op_free(struct b43_wldev *dev) |
ef1a628d | 1655 | { |
fb11137a MB |
1656 | struct b43_phy *phy = &dev->phy; |
1657 | struct b43_phy_n *nphy = phy->n; | |
ef1a628d | 1658 | |
ef1a628d | 1659 | kfree(nphy); |
fb11137a MB |
1660 | phy->n = NULL; |
1661 | } | |
1662 | ||
1663 | static int b43_nphy_op_init(struct b43_wldev *dev) | |
1664 | { | |
1665 | return b43_phy_initn(dev); | |
ef1a628d MB |
1666 | } |
1667 | ||
1668 | static inline void check_phyreg(struct b43_wldev *dev, u16 offset) | |
1669 | { | |
1670 | #if B43_DEBUG | |
1671 | if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) { | |
1672 | /* OFDM registers are onnly available on A/G-PHYs */ | |
1673 | b43err(dev->wl, "Invalid OFDM PHY access at " | |
1674 | "0x%04X on N-PHY\n", offset); | |
1675 | dump_stack(); | |
1676 | } | |
1677 | if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) { | |
1678 | /* Ext-G registers are only available on G-PHYs */ | |
1679 | b43err(dev->wl, "Invalid EXT-G PHY access at " | |
1680 | "0x%04X on N-PHY\n", offset); | |
1681 | dump_stack(); | |
1682 | } | |
1683 | #endif /* B43_DEBUG */ | |
1684 | } | |
1685 | ||
1686 | static u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg) | |
1687 | { | |
1688 | check_phyreg(dev, reg); | |
1689 | b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); | |
1690 | return b43_read16(dev, B43_MMIO_PHY_DATA); | |
1691 | } | |
1692 | ||
1693 | static void b43_nphy_op_write(struct b43_wldev *dev, u16 reg, u16 value) | |
1694 | { | |
1695 | check_phyreg(dev, reg); | |
1696 | b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); | |
1697 | b43_write16(dev, B43_MMIO_PHY_DATA, value); | |
1698 | } | |
1699 | ||
1700 | static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg) | |
1701 | { | |
1702 | /* Register 1 is a 32-bit register. */ | |
1703 | B43_WARN_ON(reg == 1); | |
1704 | /* N-PHY needs 0x100 for read access */ | |
1705 | reg |= 0x100; | |
1706 | ||
1707 | b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); | |
1708 | return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW); | |
1709 | } | |
1710 | ||
1711 | static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value) | |
1712 | { | |
1713 | /* Register 1 is a 32-bit register. */ | |
1714 | B43_WARN_ON(reg == 1); | |
1715 | ||
1716 | b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); | |
1717 | b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value); | |
1718 | } | |
1719 | ||
1720 | static void b43_nphy_op_software_rfkill(struct b43_wldev *dev, | |
19d337df | 1721 | bool blocked) |
ef1a628d MB |
1722 | {//TODO |
1723 | } | |
1724 | ||
cb24f57f MB |
1725 | static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on) |
1726 | { | |
1727 | b43_phy_write(dev, B43_NPHY_AFECTL_OVER, | |
1728 | on ? 0 : 0x7FFF); | |
1729 | } | |
1730 | ||
ef1a628d MB |
1731 | static int b43_nphy_op_switch_channel(struct b43_wldev *dev, |
1732 | unsigned int new_channel) | |
1733 | { | |
1734 | if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { | |
1735 | if ((new_channel < 1) || (new_channel > 14)) | |
1736 | return -EINVAL; | |
1737 | } else { | |
1738 | if (new_channel > 200) | |
1739 | return -EINVAL; | |
1740 | } | |
1741 | ||
1742 | return nphy_channel_switch(dev, new_channel); | |
1743 | } | |
1744 | ||
1745 | static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev) | |
1746 | { | |
1747 | if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) | |
1748 | return 1; | |
1749 | return 36; | |
1750 | } | |
1751 | ||
ef1a628d MB |
1752 | const struct b43_phy_operations b43_phyops_n = { |
1753 | .allocate = b43_nphy_op_allocate, | |
fb11137a MB |
1754 | .free = b43_nphy_op_free, |
1755 | .prepare_structs = b43_nphy_op_prepare_structs, | |
ef1a628d | 1756 | .init = b43_nphy_op_init, |
ef1a628d MB |
1757 | .phy_read = b43_nphy_op_read, |
1758 | .phy_write = b43_nphy_op_write, | |
1759 | .radio_read = b43_nphy_op_radio_read, | |
1760 | .radio_write = b43_nphy_op_radio_write, | |
1761 | .software_rfkill = b43_nphy_op_software_rfkill, | |
cb24f57f | 1762 | .switch_analog = b43_nphy_op_switch_analog, |
ef1a628d MB |
1763 | .switch_channel = b43_nphy_op_switch_channel, |
1764 | .get_default_chan = b43_nphy_op_get_default_chan, | |
18c8adeb MB |
1765 | .recalc_txpower = b43_nphy_op_recalc_txpower, |
1766 | .adjust_txpower = b43_nphy_op_adjust_txpower, | |
ef1a628d | 1767 | }; |