Loading...
Note: File does not exist in v3.1.
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3
4 Broadcom B43 wireless driver
5
6 PHY workarounds.
7
8 Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it>
9 Copyright (c) 2005-2007 Michael Buesch <m@bues.ch>
10
11
12*/
13
14#include "b43.h"
15#include "main.h"
16#include "tables.h"
17#include "phy_common.h"
18#include "wa.h"
19
20void b43_wa_initgains(struct b43_wldev *dev)
21{
22 struct b43_phy *phy = &dev->phy;
23
24 b43_phy_write(dev, B43_PHY_LNAHPFCTL, 0x1FF9);
25 b43_phy_mask(dev, B43_PHY_LPFGAINCTL, 0xFF0F);
26 if (phy->rev <= 2)
27 b43_ofdmtab_write16(dev, B43_OFDMTAB_LPFGAIN, 0, 0x1FBF);
28 b43_radio_write16(dev, 0x0002, 0x1FBF);
29
30 b43_phy_write(dev, 0x0024, 0x4680);
31 b43_phy_write(dev, 0x0020, 0x0003);
32 b43_phy_write(dev, 0x001D, 0x0F40);
33 b43_phy_write(dev, 0x001F, 0x1C00);
34 if (phy->rev <= 3)
35 b43_phy_maskset(dev, 0x002A, 0x00FF, 0x0400);
36 else if (phy->rev == 5) {
37 b43_phy_maskset(dev, 0x002A, 0x00FF, 0x1A00);
38 b43_phy_write(dev, 0x00CC, 0x2121);
39 }
40 if (phy->rev >= 3)
41 b43_phy_write(dev, 0x00BA, 0x3ED5);
42}
43
44static void b43_wa_rssi_lt(struct b43_wldev *dev) /* RSSI lookup table */
45{
46 int i;
47
48 if (0 /* FIXME: For APHY.rev=2 this might be needed */) {
49 for (i = 0; i < 8; i++)
50 b43_ofdmtab_write16(dev, B43_OFDMTAB_RSSI, i, i + 8);
51 for (i = 8; i < 16; i++)
52 b43_ofdmtab_write16(dev, B43_OFDMTAB_RSSI, i, i - 8);
53 } else {
54 for (i = 0; i < 64; i++)
55 b43_ofdmtab_write16(dev, B43_OFDMTAB_RSSI, i, i);
56 }
57}
58
59static void b43_wa_analog(struct b43_wldev *dev)
60{
61 u16 ofdmrev;
62
63 ofdmrev = b43_phy_read(dev, B43_PHY_VERSION_OFDM) & B43_PHYVER_VERSION;
64 if (ofdmrev > 2) {
65 b43_phy_write(dev, B43_PHY_PWRDOWN, 0x1000);
66 } else {
67 b43_ofdmtab_write16(dev, B43_OFDMTAB_DAC, 3, 0x1044);
68 b43_ofdmtab_write16(dev, B43_OFDMTAB_DAC, 4, 0x7201);
69 b43_ofdmtab_write16(dev, B43_OFDMTAB_DAC, 6, 0x0040);
70 }
71}
72
73static void b43_wa_fft(struct b43_wldev *dev) /* Fine frequency table */
74{
75 int i;
76
77 for (i = 0; i < B43_TAB_FINEFREQG_SIZE; i++)
78 b43_ofdmtab_write16(dev, B43_OFDMTAB_DACRFPABB, i,
79 b43_tab_finefreqg[i]);
80}
81
82static void b43_wa_nft(struct b43_wldev *dev) /* Noise figure table */
83{
84 struct b43_phy *phy = &dev->phy;
85 int i;
86
87 if (phy->rev == 1)
88 for (i = 0; i < B43_TAB_NOISEG1_SIZE; i++)
89 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, i,
90 b43_tab_noiseg1[i]);
91 else
92 for (i = 0; i < B43_TAB_NOISEG2_SIZE; i++)
93 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, i,
94 b43_tab_noiseg2[i]);
95}
96
97static void b43_wa_rt(struct b43_wldev *dev) /* Rotor table */
98{
99 int i;
100
101 for (i = 0; i < B43_TAB_ROTOR_SIZE; i++)
102 b43_ofdmtab_write32(dev, B43_OFDMTAB_ROTOR, i, b43_tab_rotor[i]);
103}
104
105static void b43_write_nst(struct b43_wldev *dev, const u16 *nst)
106{
107 int i;
108
109 for (i = 0; i < B43_TAB_NOISESCALE_SIZE; i++)
110 b43_ofdmtab_write16(dev, B43_OFDMTAB_NOISESCALE, i, nst[i]);
111}
112
113static void b43_wa_nst(struct b43_wldev *dev) /* Noise scale table */
114{
115 struct b43_phy *phy = &dev->phy;
116
117 if (phy->rev >= 6) {
118 if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN)
119 b43_write_nst(dev, b43_tab_noisescaleg3);
120 else
121 b43_write_nst(dev, b43_tab_noisescaleg2);
122 } else {
123 b43_write_nst(dev, b43_tab_noisescaleg1);
124 }
125}
126
127static void b43_wa_art(struct b43_wldev *dev) /* ADV retard table */
128{
129 int i;
130
131 for (i = 0; i < B43_TAB_RETARD_SIZE; i++)
132 b43_ofdmtab_write32(dev, B43_OFDMTAB_ADVRETARD,
133 i, b43_tab_retard[i]);
134}
135
136static void b43_wa_msst(struct b43_wldev *dev) /* Min sigma square table */
137{
138 struct b43_phy *phy = &dev->phy;
139 int i;
140 const u16 *tab;
141
142 if (phy->type == B43_PHYTYPE_G) {
143 tab = b43_tab_sigmasqr2;
144 } else {
145 B43_WARN_ON(1);
146 return;
147 }
148
149 for (i = 0; i < B43_TAB_SIGMASQR_SIZE; i++) {
150 b43_ofdmtab_write16(dev, B43_OFDMTAB_MINSIGSQ,
151 i, tab[i]);
152 }
153}
154
155static void b43_wa_crs_ed(struct b43_wldev *dev)
156{
157 struct b43_phy *phy = &dev->phy;
158
159 if (phy->rev == 1) {
160 b43_phy_write(dev, B43_PHY_CRSTHRES1_R1, 0x4F19);
161 } else if (phy->rev == 2) {
162 b43_phy_write(dev, B43_PHY_CRSTHRES1, 0x1861);
163 b43_phy_write(dev, B43_PHY_CRSTHRES2, 0x0271);
164 b43_phy_set(dev, B43_PHY_ANTDWELL, 0x0800);
165 } else {
166 b43_phy_write(dev, B43_PHY_CRSTHRES1, 0x0098);
167 b43_phy_write(dev, B43_PHY_CRSTHRES2, 0x0070);
168 b43_phy_write(dev, B43_PHY_OFDM(0xC9), 0x0080);
169 b43_phy_set(dev, B43_PHY_ANTDWELL, 0x0800);
170 }
171}
172
173static void b43_wa_crs_thr(struct b43_wldev *dev)
174{
175 b43_phy_maskset(dev, B43_PHY_CRS0, ~0x03C0, 0xD000);
176}
177
178static void b43_wa_crs_blank(struct b43_wldev *dev)
179{
180 b43_phy_write(dev, B43_PHY_OFDM(0x2C), 0x005A);
181}
182
183static void b43_wa_cck_shiftbits(struct b43_wldev *dev)
184{
185 b43_phy_write(dev, B43_PHY_CCKSHIFTBITS, 0x0026);
186}
187
188static void b43_wa_wrssi_offset(struct b43_wldev *dev)
189{
190 int i;
191
192 if (dev->phy.rev == 1) {
193 for (i = 0; i < 16; i++) {
194 b43_ofdmtab_write16(dev, B43_OFDMTAB_WRSSI_R1,
195 i, 0x0020);
196 }
197 } else {
198 for (i = 0; i < 32; i++) {
199 b43_ofdmtab_write16(dev, B43_OFDMTAB_WRSSI,
200 i, 0x0820);
201 }
202 }
203}
204
205static void b43_wa_txpuoff_rxpuon(struct b43_wldev *dev)
206{
207 b43_ofdmtab_write16(dev, B43_OFDMTAB_UNKNOWN_0F, 2, 15);
208 b43_ofdmtab_write16(dev, B43_OFDMTAB_UNKNOWN_0F, 3, 20);
209}
210
211static void b43_wa_altagc(struct b43_wldev *dev)
212{
213 struct b43_phy *phy = &dev->phy;
214
215 if (phy->rev == 1) {
216 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 0, 254);
217 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 1, 13);
218 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 2, 19);
219 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 3, 25);
220 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, 0, 0x2710);
221 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, 1, 0x9B83);
222 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, 2, 0x9B83);
223 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, 3, 0x0F8D);
224 b43_phy_write(dev, B43_PHY_LMS, 4);
225 } else {
226 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0, 254);
227 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 1, 13);
228 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 2, 19);
229 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 3, 25);
230 }
231
232 b43_phy_maskset(dev, B43_PHY_CCKSHIFTBITS_WA, 0x00FF, 0x5700);
233 b43_phy_maskset(dev, B43_PHY_OFDM(0x1A), ~0x007F, 0x000F);
234 b43_phy_maskset(dev, B43_PHY_OFDM(0x1A), ~0x3F80, 0x2B80);
235 b43_phy_maskset(dev, B43_PHY_ANTWRSETT, 0xF0FF, 0x0300);
236 b43_radio_set(dev, 0x7A, 0x0008);
237 b43_phy_maskset(dev, B43_PHY_N1P1GAIN, ~0x000F, 0x0008);
238 b43_phy_maskset(dev, B43_PHY_P1P2GAIN, ~0x0F00, 0x0600);
239 b43_phy_maskset(dev, B43_PHY_N1N2GAIN, ~0x0F00, 0x0700);
240 b43_phy_maskset(dev, B43_PHY_N1P1GAIN, ~0x0F00, 0x0100);
241 if (phy->rev == 1) {
242 b43_phy_maskset(dev, B43_PHY_N1N2GAIN, ~0x000F, 0x0007);
243 }
244 b43_phy_maskset(dev, B43_PHY_OFDM(0x88), ~0x00FF, 0x001C);
245 b43_phy_maskset(dev, B43_PHY_OFDM(0x88), ~0x3F00, 0x0200);
246 b43_phy_maskset(dev, B43_PHY_OFDM(0x96), ~0x00FF, 0x001C);
247 b43_phy_maskset(dev, B43_PHY_OFDM(0x89), ~0x00FF, 0x0020);
248 b43_phy_maskset(dev, B43_PHY_OFDM(0x89), ~0x3F00, 0x0200);
249 b43_phy_maskset(dev, B43_PHY_OFDM(0x82), ~0x00FF, 0x002E);
250 b43_phy_maskset(dev, B43_PHY_OFDM(0x96), 0x00FF, 0x1A00);
251 b43_phy_maskset(dev, B43_PHY_OFDM(0x81), ~0x00FF, 0x0028);
252 b43_phy_maskset(dev, B43_PHY_OFDM(0x81), 0x00FF, 0x2C00);
253 if (phy->rev == 1) {
254 b43_phy_write(dev, B43_PHY_PEAK_COUNT, 0x092B);
255 b43_phy_maskset(dev, B43_PHY_OFDM(0x1B), ~0x001E, 0x0002);
256 } else {
257 b43_phy_mask(dev, B43_PHY_OFDM(0x1B), ~0x001E);
258 b43_phy_write(dev, B43_PHY_OFDM(0x1F), 0x287A);
259 b43_phy_maskset(dev, B43_PHY_LPFGAINCTL, ~0x000F, 0x0004);
260 if (phy->rev >= 6) {
261 b43_phy_write(dev, B43_PHY_OFDM(0x22), 0x287A);
262 b43_phy_maskset(dev, B43_PHY_LPFGAINCTL, 0x0FFF, 0x3000);
263 }
264 }
265 b43_phy_maskset(dev, B43_PHY_DIVSRCHIDX, 0x8080, 0x7874);
266 b43_phy_write(dev, B43_PHY_OFDM(0x8E), 0x1C00);
267 if (phy->rev == 1) {
268 b43_phy_maskset(dev, B43_PHY_DIVP1P2GAIN, ~0x0F00, 0x0600);
269 b43_phy_write(dev, B43_PHY_OFDM(0x8B), 0x005E);
270 b43_phy_maskset(dev, B43_PHY_ANTWRSETT, ~0x00FF, 0x001E);
271 b43_phy_write(dev, B43_PHY_OFDM(0x8D), 0x0002);
272 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3_R1, 0, 0);
273 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3_R1, 1, 7);
274 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3_R1, 2, 16);
275 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3_R1, 3, 28);
276 } else {
277 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3, 0, 0);
278 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3, 1, 7);
279 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3, 2, 16);
280 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3, 3, 28);
281 }
282 if (phy->rev >= 6) {
283 b43_phy_mask(dev, B43_PHY_OFDM(0x26), ~0x0003);
284 b43_phy_mask(dev, B43_PHY_OFDM(0x26), ~0x1000);
285 }
286 b43_phy_read(dev, B43_PHY_VERSION_OFDM); /* Dummy read */
287}
288
289static void b43_wa_tr_ltov(struct b43_wldev *dev) /* TR Lookup Table Original Values */
290{
291 b43_gtab_write(dev, B43_GTAB_ORIGTR, 0, 0x7654);
292}
293
294static void b43_wa_cpll_nonpilot(struct b43_wldev *dev)
295{
296 b43_ofdmtab_write16(dev, B43_OFDMTAB_UNKNOWN_11, 0, 0);
297 b43_ofdmtab_write16(dev, B43_OFDMTAB_UNKNOWN_11, 1, 0);
298}
299
300static void b43_wa_boards_g(struct b43_wldev *dev)
301{
302 struct ssb_sprom *sprom = dev->dev->bus_sprom;
303 struct b43_phy *phy = &dev->phy;
304
305 if (dev->dev->board_vendor != SSB_BOARDVENDOR_BCM ||
306 dev->dev->board_type != SSB_BOARD_BU4306 ||
307 dev->dev->board_rev != 0x17) {
308 if (phy->rev < 2) {
309 b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX_R1, 1, 0x0002);
310 b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX_R1, 2, 0x0001);
311 } else {
312 b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 1, 0x0002);
313 b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 2, 0x0001);
314 if ((sprom->boardflags_lo & B43_BFL_EXTLNA) &&
315 (phy->rev >= 7)) {
316 b43_phy_mask(dev, B43_PHY_EXTG(0x11), 0xF7FF);
317 b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 0x0020, 0x0001);
318 b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 0x0021, 0x0001);
319 b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 0x0022, 0x0001);
320 b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 0x0023, 0x0000);
321 b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 0x0000, 0x0000);
322 b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 0x0003, 0x0002);
323 }
324 }
325 }
326 if (sprom->boardflags_lo & B43_BFL_FEM) {
327 b43_phy_write(dev, B43_PHY_GTABCTL, 0x3120);
328 b43_phy_write(dev, B43_PHY_GTABDATA, 0xC480);
329 }
330}
331
332void b43_wa_all(struct b43_wldev *dev)
333{
334 struct b43_phy *phy = &dev->phy;
335
336 if (phy->type == B43_PHYTYPE_G) {
337 switch (phy->rev) {
338 case 1://XXX review rev1
339 b43_wa_crs_ed(dev);
340 b43_wa_crs_thr(dev);
341 b43_wa_crs_blank(dev);
342 b43_wa_cck_shiftbits(dev);
343 b43_wa_fft(dev);
344 b43_wa_nft(dev);
345 b43_wa_rt(dev);
346 b43_wa_nst(dev);
347 b43_wa_art(dev);
348 b43_wa_wrssi_offset(dev);
349 b43_wa_altagc(dev);
350 break;
351 case 2:
352 case 6:
353 case 7:
354 case 8:
355 case 9:
356 b43_wa_tr_ltov(dev);
357 b43_wa_crs_ed(dev);
358 b43_wa_rssi_lt(dev);
359 b43_wa_nft(dev);
360 b43_wa_nst(dev);
361 b43_wa_msst(dev);
362 b43_wa_wrssi_offset(dev);
363 b43_wa_altagc(dev);
364 b43_wa_analog(dev);
365 b43_wa_txpuoff_rxpuon(dev);
366 break;
367 default:
368 B43_WARN_ON(1);
369 }
370 b43_wa_boards_g(dev);
371 } else { /* No N PHY support so far, LP PHY is in phy_lp.c */
372 B43_WARN_ON(1);
373 }
374
375 b43_wa_cpll_nonpilot(dev);
376}