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29#include <linux/slab.h>
30
31#include "b43.h"
32#include "phy_a.h"
33#include "phy_common.h"
34#include "wa.h"
35#include "tables.h"
36#include "main.h"
37
38
39
40static inline u16 channel2freq_a(u8 channel)
41{
42 B43_WARN_ON(channel > 200);
43
44 return (5000 + 5 * channel);
45}
46
47static inline u16 freq_r3A_value(u16 frequency)
48{
49 u16 value;
50
51 if (frequency < 5091)
52 value = 0x0040;
53 else if (frequency < 5321)
54 value = 0x0000;
55 else if (frequency < 5806)
56 value = 0x0080;
57 else
58 value = 0x0040;
59
60 return value;
61}
62
63#if 0
64
65static s8 b43_aphy_estimate_power_out(struct b43_wldev *dev, s8 tssi)
66{
67 struct b43_phy *phy = &dev->phy;
68 struct b43_phy_a *aphy = phy->a;
69 s8 dbm = 0;
70 s32 tmp;
71
72 tmp = (aphy->tgt_idle_tssi - aphy->cur_idle_tssi + tssi);
73 tmp += 0x80;
74 tmp = clamp_val(tmp, 0x00, 0xFF);
75 dbm = aphy->tssi2dbm[tmp];
76
77
78 return dbm;
79}
80#endif
81
82static void b43_radio_set_tx_iq(struct b43_wldev *dev)
83{
84 static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 };
85 static const u8 data_low[5] = { 0x00, 0x01, 0x05, 0x06, 0x0A };
86 u16 tmp = b43_radio_read16(dev, 0x001E);
87 int i, j;
88
89 for (i = 0; i < 5; i++) {
90 for (j = 0; j < 5; j++) {
91 if (tmp == (data_high[i] << 4 | data_low[j])) {
92 b43_phy_write(dev, 0x0069,
93 (i - j) << 8 | 0x00C0);
94 return;
95 }
96 }
97 }
98}
99
100static void aphy_channel_switch(struct b43_wldev *dev, unsigned int channel)
101{
102 u16 freq, r8, tmp;
103
104 freq = channel2freq_a(channel);
105
106 r8 = b43_radio_read16(dev, 0x0008);
107 b43_write16(dev, 0x03F0, freq);
108 b43_radio_write16(dev, 0x0008, r8);
109
110
111 tmp = b43_radio_read16(dev, 0x002E);
112 tmp &= 0x0080;
113
114 b43_radio_write16(dev, 0x002E, tmp);
115
116 if (freq >= 4920 && freq <= 5500) {
117
118
119
120
121 r8 = 3 * freq / 116;
122 }
123 b43_radio_write16(dev, 0x0007, (r8 << 4) | r8);
124 b43_radio_write16(dev, 0x0020, (r8 << 4) | r8);
125 b43_radio_write16(dev, 0x0021, (r8 << 4) | r8);
126 b43_radio_maskset(dev, 0x0022, 0x000F, (r8 << 4));
127 b43_radio_write16(dev, 0x002A, (r8 << 4));
128 b43_radio_write16(dev, 0x002B, (r8 << 4));
129 b43_radio_maskset(dev, 0x0008, 0x00F0, (r8 << 4));
130 b43_radio_maskset(dev, 0x0029, 0xFF0F, 0x00B0);
131 b43_radio_write16(dev, 0x0035, 0x00AA);
132 b43_radio_write16(dev, 0x0036, 0x0085);
133 b43_radio_maskset(dev, 0x003A, 0xFF20, freq_r3A_value(freq));
134 b43_radio_mask(dev, 0x003D, 0x00FF);
135 b43_radio_maskset(dev, 0x0081, 0xFF7F, 0x0080);
136 b43_radio_mask(dev, 0x0035, 0xFFEF);
137 b43_radio_maskset(dev, 0x0035, 0xFFEF, 0x0010);
138 b43_radio_set_tx_iq(dev);
139
140
141}
142
143static void b43_radio_init2060(struct b43_wldev *dev)
144{
145 b43_radio_write16(dev, 0x0004, 0x00C0);
146 b43_radio_write16(dev, 0x0005, 0x0008);
147 b43_radio_write16(dev, 0x0009, 0x0040);
148 b43_radio_write16(dev, 0x0005, 0x00AA);
149 b43_radio_write16(dev, 0x0032, 0x008F);
150 b43_radio_write16(dev, 0x0006, 0x008F);
151 b43_radio_write16(dev, 0x0034, 0x008F);
152 b43_radio_write16(dev, 0x002C, 0x0007);
153 b43_radio_write16(dev, 0x0082, 0x0080);
154 b43_radio_write16(dev, 0x0080, 0x0000);
155 b43_radio_write16(dev, 0x003F, 0x00DA);
156 b43_radio_mask(dev, 0x0005, ~0x0008);
157 b43_radio_mask(dev, 0x0081, ~0x0010);
158 b43_radio_mask(dev, 0x0081, ~0x0020);
159 b43_radio_mask(dev, 0x0081, ~0x0020);
160 msleep(1);
161
162 b43_radio_maskset(dev, 0x0081, ~0x0020, 0x0010);
163 msleep(1);
164
165 b43_radio_maskset(dev, 0x0005, ~0x0008, 0x0008);
166 b43_radio_mask(dev, 0x0085, ~0x0010);
167 b43_radio_mask(dev, 0x0005, ~0x0008);
168 b43_radio_mask(dev, 0x0081, ~0x0040);
169 b43_radio_maskset(dev, 0x0081, ~0x0040, 0x0040);
170 b43_radio_write16(dev, 0x0005,
171 (b43_radio_read16(dev, 0x0081) & ~0x0008) | 0x0008);
172 b43_phy_write(dev, 0x0063, 0xDDC6);
173 b43_phy_write(dev, 0x0069, 0x07BE);
174 b43_phy_write(dev, 0x006A, 0x0000);
175
176 aphy_channel_switch(dev, dev->phy.ops->get_default_chan(dev));
177
178 msleep(1);
179}
180
181static void b43_phy_rssiagc(struct b43_wldev *dev, u8 enable)
182{
183 int i;
184
185 if (dev->phy.rev < 3) {
186 if (enable)
187 for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) {
188 b43_ofdmtab_write16(dev,
189 B43_OFDMTAB_LNAHPFGAIN1, i, 0xFFF8);
190 b43_ofdmtab_write16(dev,
191 B43_OFDMTAB_WRSSI, i, 0xFFF8);
192 }
193 else
194 for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) {
195 b43_ofdmtab_write16(dev,
196 B43_OFDMTAB_LNAHPFGAIN1, i, b43_tab_rssiagc1[i]);
197 b43_ofdmtab_write16(dev,
198 B43_OFDMTAB_WRSSI, i, b43_tab_rssiagc1[i]);
199 }
200 } else {
201 if (enable)
202 for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++)
203 b43_ofdmtab_write16(dev,
204 B43_OFDMTAB_WRSSI, i, 0x0820);
205 else
206 for (i = 0; i < B43_TAB_RSSIAGC2_SIZE; i++)
207 b43_ofdmtab_write16(dev,
208 B43_OFDMTAB_WRSSI, i, b43_tab_rssiagc2[i]);
209 }
210}
211
212static void b43_phy_ww(struct b43_wldev *dev)
213{
214 u16 b, curr_s, best_s = 0xFFFF;
215 int i;
216
217 b43_phy_mask(dev, B43_PHY_CRS0, ~B43_PHY_CRS0_EN);
218 b43_phy_set(dev, B43_PHY_OFDM(0x1B), 0x1000);
219 b43_phy_maskset(dev, B43_PHY_OFDM(0x82), 0xF0FF, 0x0300);
220 b43_radio_set(dev, 0x0009, 0x0080);
221 b43_radio_maskset(dev, 0x0012, 0xFFFC, 0x0002);
222 b43_wa_initgains(dev);
223 b43_phy_write(dev, B43_PHY_OFDM(0xBA), 0x3ED5);
224 b = b43_phy_read(dev, B43_PHY_PWRDOWN);
225 b43_phy_write(dev, B43_PHY_PWRDOWN, (b & 0xFFF8) | 0x0005);
226 b43_radio_set(dev, 0x0004, 0x0004);
227 for (i = 0x10; i <= 0x20; i++) {
228 b43_radio_write16(dev, 0x0013, i);
229 curr_s = b43_phy_read(dev, B43_PHY_OTABLEQ) & 0x00FF;
230 if (!curr_s) {
231 best_s = 0x0000;
232 break;
233 } else if (curr_s >= 0x0080)
234 curr_s = 0x0100 - curr_s;
235 if (curr_s < best_s)
236 best_s = curr_s;
237 }
238 b43_phy_write(dev, B43_PHY_PWRDOWN, b);
239 b43_radio_mask(dev, 0x0004, 0xFFFB);
240 b43_radio_write16(dev, 0x0013, best_s);
241 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 0, 0xFFEC);
242 b43_phy_write(dev, B43_PHY_OFDM(0xB7), 0x1E80);
243 b43_phy_write(dev, B43_PHY_OFDM(0xB6), 0x1C00);
244 b43_phy_write(dev, B43_PHY_OFDM(0xB5), 0x0EC0);
245 b43_phy_write(dev, B43_PHY_OFDM(0xB2), 0x00C0);
246 b43_phy_write(dev, B43_PHY_OFDM(0xB9), 0x1FFF);
247 b43_phy_maskset(dev, B43_PHY_OFDM(0xBB), 0xF000, 0x0053);
248 b43_phy_maskset(dev, B43_PHY_OFDM61, 0xFE1F, 0x0120);
249 b43_phy_maskset(dev, B43_PHY_OFDM(0x13), 0x0FFF, 0x3000);
250 b43_phy_maskset(dev, B43_PHY_OFDM(0x14), 0x0FFF, 0x3000);
251 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 6, 0x0017);
252 for (i = 0; i < 6; i++)
253 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, i, 0x000F);
254 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0D, 0x000E);
255 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0E, 0x0011);
256 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0F, 0x0013);
257 b43_phy_write(dev, B43_PHY_OFDM(0x33), 0x5030);
258 b43_phy_set(dev, B43_PHY_CRS0, B43_PHY_CRS0_EN);
259}
260
261static void hardware_pctl_init_aphy(struct b43_wldev *dev)
262{
263
264}
265
266void b43_phy_inita(struct b43_wldev *dev)
267{
268 struct b43_phy *phy = &dev->phy;
269
270
271
272
273 B43_WARN_ON((phy->type != B43_PHYTYPE_A) &&
274 (phy->type != B43_PHYTYPE_G));
275
276 might_sleep();
277
278 if (phy->rev >= 6) {
279 if (phy->type == B43_PHYTYPE_A)
280 b43_phy_mask(dev, B43_PHY_OFDM(0x1B), ~0x1000);
281 if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN)
282 b43_phy_set(dev, B43_PHY_ENCORE, 0x0010);
283 else
284 b43_phy_mask(dev, B43_PHY_ENCORE, ~0x1010);
285 }
286
287 b43_wa_all(dev);
288
289 if (phy->type == B43_PHYTYPE_A) {
290 if (phy->gmode && (phy->rev < 3))
291 b43_phy_set(dev, 0x0034, 0x0001);
292 b43_phy_rssiagc(dev, 0);
293
294 b43_phy_set(dev, B43_PHY_CRS0, B43_PHY_CRS0_EN);
295
296 b43_radio_init2060(dev);
297
298 if ((dev->dev->board_vendor == SSB_BOARDVENDOR_BCM) &&
299 ((dev->dev->board_type == SSB_BOARD_BU4306) ||
300 (dev->dev->board_type == SSB_BOARD_BU4309))) {
301 ;
302 }
303
304 if (phy->rev >= 3)
305 b43_phy_ww(dev);
306
307 hardware_pctl_init_aphy(dev);
308
309
310 }
311
312 if ((phy->type == B43_PHYTYPE_G) &&
313 (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL)) {
314 b43_phy_maskset(dev, B43_PHY_OFDM(0x6E), 0xE000, 0x3CF);
315 }
316}
317
318
319static int b43_aphy_init_tssi2dbm_table(struct b43_wldev *dev)
320{
321 struct b43_phy *phy = &dev->phy;
322 struct b43_phy_a *aphy = phy->a;
323 s16 pab0, pab1, pab2;
324
325 pab0 = (s16) (dev->dev->bus_sprom->pa1b0);
326 pab1 = (s16) (dev->dev->bus_sprom->pa1b1);
327 pab2 = (s16) (dev->dev->bus_sprom->pa1b2);
328
329 if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
330 pab0 != -1 && pab1 != -1 && pab2 != -1) {
331
332 if ((s8) dev->dev->bus_sprom->itssi_a != 0 &&
333 (s8) dev->dev->bus_sprom->itssi_a != -1)
334 aphy->tgt_idle_tssi =
335 (s8) (dev->dev->bus_sprom->itssi_a);
336 else
337 aphy->tgt_idle_tssi = 62;
338 aphy->tssi2dbm = b43_generate_dyn_tssi2dbm_tab(dev, pab0,
339 pab1, pab2);
340 if (!aphy->tssi2dbm)
341 return -ENOMEM;
342 } else {
343
344
345 aphy->tssi2dbm = NULL;
346 b43err(dev->wl, "Could not generate tssi2dBm "
347 "table (wrong SPROM info)!\n");
348 return -ENODEV;
349 }
350
351 return 0;
352}
353
354static int b43_aphy_op_allocate(struct b43_wldev *dev)
355{
356 struct b43_phy_a *aphy;
357 int err;
358
359 aphy = kzalloc(sizeof(*aphy), GFP_KERNEL);
360 if (!aphy)
361 return -ENOMEM;
362 dev->phy.a = aphy;
363
364 err = b43_aphy_init_tssi2dbm_table(dev);
365 if (err)
366 goto err_free_aphy;
367
368 return 0;
369
370err_free_aphy:
371 kfree(aphy);
372 dev->phy.a = NULL;
373
374 return err;
375}
376
377static void b43_aphy_op_prepare_structs(struct b43_wldev *dev)
378{
379 struct b43_phy *phy = &dev->phy;
380 struct b43_phy_a *aphy = phy->a;
381 const void *tssi2dbm;
382 int tgt_idle_tssi;
383
384
385
386 tssi2dbm = aphy->tssi2dbm;
387 tgt_idle_tssi = aphy->tgt_idle_tssi;
388
389
390 memset(aphy, 0, sizeof(*aphy));
391
392 aphy->tssi2dbm = tssi2dbm;
393 aphy->tgt_idle_tssi = tgt_idle_tssi;
394
395
396
397}
398
399static void b43_aphy_op_free(struct b43_wldev *dev)
400{
401 struct b43_phy *phy = &dev->phy;
402 struct b43_phy_a *aphy = phy->a;
403
404 kfree(aphy->tssi2dbm);
405 aphy->tssi2dbm = NULL;
406
407 kfree(aphy);
408 dev->phy.a = NULL;
409}
410
411static int b43_aphy_op_init(struct b43_wldev *dev)
412{
413 b43_phy_inita(dev);
414
415 return 0;
416}
417
418static inline u16 adjust_phyreg(struct b43_wldev *dev, u16 offset)
419{
420
421 if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
422 offset &= ~B43_PHYROUTE;
423 offset |= B43_PHYROUTE_BASE;
424 }
425
426#if B43_DEBUG
427 if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
428
429 b43err(dev->wl, "Invalid EXT-G PHY access at "
430 "0x%04X on A-PHY\n", offset);
431 dump_stack();
432 }
433 if ((offset & B43_PHYROUTE) == B43_PHYROUTE_N_BMODE) {
434
435 b43err(dev->wl, "Invalid N-BMODE PHY access at "
436 "0x%04X on A-PHY\n", offset);
437 dump_stack();
438 }
439#endif
440
441 return offset;
442}
443
444static u16 b43_aphy_op_read(struct b43_wldev *dev, u16 reg)
445{
446 reg = adjust_phyreg(dev, reg);
447 b43_write16f(dev, B43_MMIO_PHY_CONTROL, reg);
448 return b43_read16(dev, B43_MMIO_PHY_DATA);
449}
450
451static void b43_aphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
452{
453 reg = adjust_phyreg(dev, reg);
454 b43_write16f(dev, B43_MMIO_PHY_CONTROL, reg);
455 b43_write16(dev, B43_MMIO_PHY_DATA, value);
456}
457
458static u16 b43_aphy_op_radio_read(struct b43_wldev *dev, u16 reg)
459{
460
461 B43_WARN_ON(reg == 1);
462
463 reg |= 0x40;
464
465 b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
466 return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
467}
468
469static void b43_aphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
470{
471
472 B43_WARN_ON(reg == 1);
473
474 b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
475 b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
476}
477
478static bool b43_aphy_op_supports_hwpctl(struct b43_wldev *dev)
479{
480 return (dev->phy.rev >= 5);
481}
482
483static void b43_aphy_op_software_rfkill(struct b43_wldev *dev,
484 bool blocked)
485{
486 struct b43_phy *phy = &dev->phy;
487
488 if (!blocked) {
489 if (phy->radio_on)
490 return;
491 b43_radio_write16(dev, 0x0004, 0x00C0);
492 b43_radio_write16(dev, 0x0005, 0x0008);
493 b43_phy_mask(dev, 0x0010, 0xFFF7);
494 b43_phy_mask(dev, 0x0011, 0xFFF7);
495 b43_radio_init2060(dev);
496 } else {
497 b43_radio_write16(dev, 0x0004, 0x00FF);
498 b43_radio_write16(dev, 0x0005, 0x00FB);
499 b43_phy_set(dev, 0x0010, 0x0008);
500 b43_phy_set(dev, 0x0011, 0x0008);
501 }
502}
503
504static int b43_aphy_op_switch_channel(struct b43_wldev *dev,
505 unsigned int new_channel)
506{
507 if (new_channel > 200)
508 return -EINVAL;
509 aphy_channel_switch(dev, new_channel);
510
511 return 0;
512}
513
514static unsigned int b43_aphy_op_get_default_chan(struct b43_wldev *dev)
515{
516 return 36;
517}
518
519static void b43_aphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
520{
521 struct b43_phy *phy = &dev->phy;
522 u16 tmp;
523 int autodiv = 0;
524
525 if (antenna == B43_ANTENNA_AUTO0 || antenna == B43_ANTENNA_AUTO1)
526 autodiv = 1;
527
528 b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ANTDIVHELP);
529
530 b43_phy_maskset(dev, B43_PHY_BBANDCFG, ~B43_PHY_BBANDCFG_RXANT,
531 (autodiv ? B43_ANTENNA_AUTO1 : antenna) <<
532 B43_PHY_BBANDCFG_RXANT_SHIFT);
533
534 if (autodiv) {
535 tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
536 if (antenna == B43_ANTENNA_AUTO1)
537 tmp &= ~B43_PHY_ANTDWELL_AUTODIV1;
538 else
539 tmp |= B43_PHY_ANTDWELL_AUTODIV1;
540 b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
541 }
542 if (phy->rev < 3)
543 b43_phy_maskset(dev, B43_PHY_ANTDWELL, 0xFF00, 0x24);
544 else {
545 b43_phy_set(dev, B43_PHY_OFDM61, 0x10);
546 if (phy->rev == 3) {
547 b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT, 0x1D);
548 b43_phy_write(dev, B43_PHY_ADIVRELATED, 8);
549 } else {
550 b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT, 0x3A);
551 b43_phy_maskset(dev, B43_PHY_ADIVRELATED, 0xFF00, 8);
552 }
553 }
554
555 b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ANTDIVHELP);
556}
557
558static void b43_aphy_op_adjust_txpower(struct b43_wldev *dev)
559{
560}
561
562static enum b43_txpwr_result b43_aphy_op_recalc_txpower(struct b43_wldev *dev,
563 bool ignore_tssi)
564{
565 return B43_TXPWR_RES_DONE;
566}
567
568static void b43_aphy_op_pwork_15sec(struct b43_wldev *dev)
569{
570}
571
572static void b43_aphy_op_pwork_60sec(struct b43_wldev *dev)
573{
574}
575
576static const struct b43_phy_operations b43_phyops_a = {
577 .allocate = b43_aphy_op_allocate,
578 .free = b43_aphy_op_free,
579 .prepare_structs = b43_aphy_op_prepare_structs,
580 .init = b43_aphy_op_init,
581 .phy_read = b43_aphy_op_read,
582 .phy_write = b43_aphy_op_write,
583 .radio_read = b43_aphy_op_radio_read,
584 .radio_write = b43_aphy_op_radio_write,
585 .supports_hwpctl = b43_aphy_op_supports_hwpctl,
586 .software_rfkill = b43_aphy_op_software_rfkill,
587 .switch_analog = b43_phyop_switch_analog_generic,
588 .switch_channel = b43_aphy_op_switch_channel,
589 .get_default_chan = b43_aphy_op_get_default_chan,
590 .set_rx_antenna = b43_aphy_op_set_rx_antenna,
591 .recalc_txpower = b43_aphy_op_recalc_txpower,
592 .adjust_txpower = b43_aphy_op_adjust_txpower,
593 .pwork_15sec = b43_aphy_op_pwork_15sec,
594 .pwork_60sec = b43_aphy_op_pwork_60sec,
595};
596
