1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * PMac AWACS lowlevel functions
4 *
5 * Copyright (c) by Takashi Iwai <tiwai@suse.de>
6 * code based on dmasound.c.
7 */
8
9
10#include <linux/io.h>
11#include <asm/nvram.h>
12#include <linux/init.h>
13#include <linux/delay.h>
14#include <linux/of.h>
15#include <linux/slab.h>
16#include <sound/core.h>
17#include "pmac.h"
18
19
20#ifdef CONFIG_ADB_CUDA
21#define PMAC_AMP_AVAIL
22#endif
23
24#ifdef PMAC_AMP_AVAIL
25struct awacs_amp {
26 unsigned char amp_master;
27 unsigned char amp_vol[2][2];
28 unsigned char amp_tone[2];
29};
30
31#define CHECK_CUDA_AMP() (sys_ctrler == SYS_CTRLER_CUDA)
32
33#endif /* PMAC_AMP_AVAIL */
34
35
36static void snd_pmac_screamer_wait(struct snd_pmac *chip)
37{
38 long timeout = 2000;
39 while (!(in_le32(&chip->awacs->codec_stat) & MASK_VALID)) {
40 mdelay(1);
41 if (! --timeout) {
42 snd_printd("snd_pmac_screamer_wait timeout\n");
43 break;
44 }
45 }
46}
47
48/*
49 * write AWACS register
50 */
51static void
52snd_pmac_awacs_write(struct snd_pmac *chip, int val)
53{
54 long timeout = 5000000;
55
56 if (chip->model == PMAC_SCREAMER)
57 snd_pmac_screamer_wait(chip);
58 out_le32(&chip->awacs->codec_ctrl, val | (chip->subframe << 22));
59 while (in_le32(&chip->awacs->codec_ctrl) & MASK_NEWECMD) {
60 if (! --timeout) {
61 snd_printd("snd_pmac_awacs_write timeout\n");
62 break;
63 }
64 }
65}
66
67static void
68snd_pmac_awacs_write_reg(struct snd_pmac *chip, int reg, int val)
69{
70 snd_pmac_awacs_write(chip, val: val | (reg << 12));
71 chip->awacs_reg[reg] = val;
72}
73
74static void
75snd_pmac_awacs_write_noreg(struct snd_pmac *chip, int reg, int val)
76{
77 snd_pmac_awacs_write(chip, val: val | (reg << 12));
78}
79
80#ifdef CONFIG_PM
81/* Recalibrate chip */
82static void screamer_recalibrate(struct snd_pmac *chip)
83{
84 if (chip->model != PMAC_SCREAMER)
85 return;
86
87 /* Sorry for the horrible delays... I hope to get that improved
88 * by making the whole PM process asynchronous in a future version
89 */
90 snd_pmac_awacs_write_noreg(chip, reg: 1, val: chip->awacs_reg[1]);
91 if (chip->manufacturer == 0x1)
92 /* delay for broken crystal part */
93 msleep(msecs: 750);
94 snd_pmac_awacs_write_noreg(chip, reg: 1,
95 val: chip->awacs_reg[1] | MASK_RECALIBRATE |
96 MASK_CMUTE | MASK_AMUTE);
97 snd_pmac_awacs_write_noreg(chip, reg: 1, val: chip->awacs_reg[1]);
98 snd_pmac_awacs_write_noreg(chip, reg: 6, val: chip->awacs_reg[6]);
99}
100
101#else
102#define screamer_recalibrate(chip) /* NOP */
103#endif
104
105
106/*
107 * additional callback to set the pcm format
108 */
109static void snd_pmac_awacs_set_format(struct snd_pmac *chip)
110{
111 chip->awacs_reg[1] &= ~MASK_SAMPLERATE;
112 chip->awacs_reg[1] |= chip->rate_index << 3;
113 snd_pmac_awacs_write_reg(chip, reg: 1, val: chip->awacs_reg[1]);
114}
115
116
117/*
118 * AWACS volume callbacks
119 */
120/*
121 * volumes: 0-15 stereo
122 */
123static int snd_pmac_awacs_info_volume(struct snd_kcontrol *kcontrol,
124 struct snd_ctl_elem_info *uinfo)
125{
126 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
127 uinfo->count = 2;
128 uinfo->value.integer.min = 0;
129 uinfo->value.integer.max = 15;
130 return 0;
131}
132
133static int snd_pmac_awacs_get_volume(struct snd_kcontrol *kcontrol,
134 struct snd_ctl_elem_value *ucontrol)
135{
136 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
137 int reg = kcontrol->private_value & 0xff;
138 int lshift = (kcontrol->private_value >> 8) & 0xff;
139 int inverted = (kcontrol->private_value >> 16) & 1;
140 unsigned long flags;
141 int vol[2];
142
143 spin_lock_irqsave(&chip->reg_lock, flags);
144 vol[0] = (chip->awacs_reg[reg] >> lshift) & 0xf;
145 vol[1] = chip->awacs_reg[reg] & 0xf;
146 spin_unlock_irqrestore(lock: &chip->reg_lock, flags);
147 if (inverted) {
148 vol[0] = 0x0f - vol[0];
149 vol[1] = 0x0f - vol[1];
150 }
151 ucontrol->value.integer.value[0] = vol[0];
152 ucontrol->value.integer.value[1] = vol[1];
153 return 0;
154}
155
156static int snd_pmac_awacs_put_volume(struct snd_kcontrol *kcontrol,
157 struct snd_ctl_elem_value *ucontrol)
158{
159 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
160 int reg = kcontrol->private_value & 0xff;
161 int lshift = (kcontrol->private_value >> 8) & 0xff;
162 int inverted = (kcontrol->private_value >> 16) & 1;
163 int val, oldval;
164 unsigned long flags;
165 unsigned int vol[2];
166
167 vol[0] = ucontrol->value.integer.value[0];
168 vol[1] = ucontrol->value.integer.value[1];
169 if (vol[0] > 0x0f || vol[1] > 0x0f)
170 return -EINVAL;
171 if (inverted) {
172 vol[0] = 0x0f - vol[0];
173 vol[1] = 0x0f - vol[1];
174 }
175 vol[0] &= 0x0f;
176 vol[1] &= 0x0f;
177 spin_lock_irqsave(&chip->reg_lock, flags);
178 oldval = chip->awacs_reg[reg];
179 val = oldval & ~(0xf | (0xf << lshift));
180 val |= vol[0] << lshift;
181 val |= vol[1];
182 if (oldval != val)
183 snd_pmac_awacs_write_reg(chip, reg, val);
184 spin_unlock_irqrestore(lock: &chip->reg_lock, flags);
185 return oldval != reg;
186}
187
188
189#define AWACS_VOLUME(xname, xreg, xshift, xinverted) \
190{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
191 .info = snd_pmac_awacs_info_volume, \
192 .get = snd_pmac_awacs_get_volume, \
193 .put = snd_pmac_awacs_put_volume, \
194 .private_value = (xreg) | ((xshift) << 8) | ((xinverted) << 16) }
195
196/*
197 * mute master/ogain for AWACS: mono
198 */
199static int snd_pmac_awacs_get_switch(struct snd_kcontrol *kcontrol,
200 struct snd_ctl_elem_value *ucontrol)
201{
202 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
203 int reg = kcontrol->private_value & 0xff;
204 int shift = (kcontrol->private_value >> 8) & 0xff;
205 int invert = (kcontrol->private_value >> 16) & 1;
206 int val;
207 unsigned long flags;
208
209 spin_lock_irqsave(&chip->reg_lock, flags);
210 val = (chip->awacs_reg[reg] >> shift) & 1;
211 spin_unlock_irqrestore(lock: &chip->reg_lock, flags);
212 if (invert)
213 val = 1 - val;
214 ucontrol->value.integer.value[0] = val;
215 return 0;
216}
217
218static int snd_pmac_awacs_put_switch(struct snd_kcontrol *kcontrol,
219 struct snd_ctl_elem_value *ucontrol)
220{
221 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
222 int reg = kcontrol->private_value & 0xff;
223 int shift = (kcontrol->private_value >> 8) & 0xff;
224 int invert = (kcontrol->private_value >> 16) & 1;
225 int mask = 1 << shift;
226 int val, changed;
227 unsigned long flags;
228
229 spin_lock_irqsave(&chip->reg_lock, flags);
230 val = chip->awacs_reg[reg] & ~mask;
231 if (ucontrol->value.integer.value[0] != invert)
232 val |= mask;
233 changed = chip->awacs_reg[reg] != val;
234 if (changed)
235 snd_pmac_awacs_write_reg(chip, reg, val);
236 spin_unlock_irqrestore(lock: &chip->reg_lock, flags);
237 return changed;
238}
239
240#define AWACS_SWITCH(xname, xreg, xshift, xinvert) \
241{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
242 .info = snd_pmac_boolean_mono_info, \
243 .get = snd_pmac_awacs_get_switch, \
244 .put = snd_pmac_awacs_put_switch, \
245 .private_value = (xreg) | ((xshift) << 8) | ((xinvert) << 16) }
246
247
248#ifdef PMAC_AMP_AVAIL
249/*
250 * controls for perch/whisper extension cards, e.g. G3 desktop
251 *
252 * TDA7433 connected via i2c address 0x45 (= 0x8a),
253 * accessed through cuda
254 */
255static void awacs_set_cuda(int reg, int val)
256{
257 struct adb_request req;
258 cuda_request(&req, NULL, 5, CUDA_PACKET, CUDA_GET_SET_IIC, 0x8a,
259 reg, val);
260 while (! req.complete)
261 cuda_poll();
262}
263
264/*
265 * level = 0 - 14, 7 = 0 dB
266 */
267static void awacs_amp_set_tone(struct awacs_amp *amp, int bass, int treble)
268{
269 amp->amp_tone[0] = bass;
270 amp->amp_tone[1] = treble;
271 if (bass > 7)
272 bass = (14 - bass) + 8;
273 if (treble > 7)
274 treble = (14 - treble) + 8;
275 awacs_set_cuda(2, (bass << 4) | treble);
276}
277
278/*
279 * vol = 0 - 31 (attenuation), 32 = mute bit, stereo
280 */
281static int awacs_amp_set_vol(struct awacs_amp *amp, int index,
282 int lvol, int rvol, int do_check)
283{
284 if (do_check && amp->amp_vol[index][0] == lvol &&
285 amp->amp_vol[index][1] == rvol)
286 return 0;
287 awacs_set_cuda(3 + index, lvol);
288 awacs_set_cuda(5 + index, rvol);
289 amp->amp_vol[index][0] = lvol;
290 amp->amp_vol[index][1] = rvol;
291 return 1;
292}
293
294/*
295 * 0 = -79 dB, 79 = 0 dB, 99 = +20 dB
296 */
297static void awacs_amp_set_master(struct awacs_amp *amp, int vol)
298{
299 amp->amp_master = vol;
300 if (vol <= 79)
301 vol = 32 + (79 - vol);
302 else
303 vol = 32 - (vol - 79);
304 awacs_set_cuda(1, vol);
305}
306
307static void awacs_amp_free(struct snd_pmac *chip)
308{
309 struct awacs_amp *amp = chip->mixer_data;
310 if (!amp)
311 return;
312 kfree(amp);
313 chip->mixer_data = NULL;
314 chip->mixer_free = NULL;
315}
316
317
318/*
319 * mixer controls
320 */
321static int snd_pmac_awacs_info_volume_amp(struct snd_kcontrol *kcontrol,
322 struct snd_ctl_elem_info *uinfo)
323{
324 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
325 uinfo->count = 2;
326 uinfo->value.integer.min = 0;
327 uinfo->value.integer.max = 31;
328 return 0;
329}
330
331static int snd_pmac_awacs_get_volume_amp(struct snd_kcontrol *kcontrol,
332 struct snd_ctl_elem_value *ucontrol)
333{
334 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
335 int index = kcontrol->private_value;
336 struct awacs_amp *amp = chip->mixer_data;
337
338 ucontrol->value.integer.value[0] = 31 - (amp->amp_vol[index][0] & 31);
339 ucontrol->value.integer.value[1] = 31 - (amp->amp_vol[index][1] & 31);
340 return 0;
341}
342
343static int snd_pmac_awacs_put_volume_amp(struct snd_kcontrol *kcontrol,
344 struct snd_ctl_elem_value *ucontrol)
345{
346 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
347 int index = kcontrol->private_value;
348 int vol[2];
349 struct awacs_amp *amp = chip->mixer_data;
350
351 vol[0] = (31 - (ucontrol->value.integer.value[0] & 31))
352 | (amp->amp_vol[index][0] & 32);
353 vol[1] = (31 - (ucontrol->value.integer.value[1] & 31))
354 | (amp->amp_vol[index][1] & 32);
355 return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
356}
357
358static int snd_pmac_awacs_get_switch_amp(struct snd_kcontrol *kcontrol,
359 struct snd_ctl_elem_value *ucontrol)
360{
361 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
362 int index = kcontrol->private_value;
363 struct awacs_amp *amp = chip->mixer_data;
364
365 ucontrol->value.integer.value[0] = (amp->amp_vol[index][0] & 32)
366 ? 0 : 1;
367 ucontrol->value.integer.value[1] = (amp->amp_vol[index][1] & 32)
368 ? 0 : 1;
369 return 0;
370}
371
372static int snd_pmac_awacs_put_switch_amp(struct snd_kcontrol *kcontrol,
373 struct snd_ctl_elem_value *ucontrol)
374{
375 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
376 int index = kcontrol->private_value;
377 int vol[2];
378 struct awacs_amp *amp = chip->mixer_data;
379
380 vol[0] = (ucontrol->value.integer.value[0] ? 0 : 32)
381 | (amp->amp_vol[index][0] & 31);
382 vol[1] = (ucontrol->value.integer.value[1] ? 0 : 32)
383 | (amp->amp_vol[index][1] & 31);
384 return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
385}
386
387static int snd_pmac_awacs_info_tone_amp(struct snd_kcontrol *kcontrol,
388 struct snd_ctl_elem_info *uinfo)
389{
390 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
391 uinfo->count = 1;
392 uinfo->value.integer.min = 0;
393 uinfo->value.integer.max = 14;
394 return 0;
395}
396
397static int snd_pmac_awacs_get_tone_amp(struct snd_kcontrol *kcontrol,
398 struct snd_ctl_elem_value *ucontrol)
399{
400 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
401 int index = kcontrol->private_value;
402 struct awacs_amp *amp = chip->mixer_data;
403
404 ucontrol->value.integer.value[0] = amp->amp_tone[index];
405 return 0;
406}
407
408static int snd_pmac_awacs_put_tone_amp(struct snd_kcontrol *kcontrol,
409 struct snd_ctl_elem_value *ucontrol)
410{
411 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
412 int index = kcontrol->private_value;
413 struct awacs_amp *amp = chip->mixer_data;
414 unsigned int val;
415
416 val = ucontrol->value.integer.value[0];
417 if (val > 14)
418 return -EINVAL;
419 if (val != amp->amp_tone[index]) {
420 amp->amp_tone[index] = val;
421 awacs_amp_set_tone(amp, amp->amp_tone[0], amp->amp_tone[1]);
422 return 1;
423 }
424 return 0;
425}
426
427static int snd_pmac_awacs_info_master_amp(struct snd_kcontrol *kcontrol,
428 struct snd_ctl_elem_info *uinfo)
429{
430 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
431 uinfo->count = 1;
432 uinfo->value.integer.min = 0;
433 uinfo->value.integer.max = 99;
434 return 0;
435}
436
437static int snd_pmac_awacs_get_master_amp(struct snd_kcontrol *kcontrol,
438 struct snd_ctl_elem_value *ucontrol)
439{
440 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
441 struct awacs_amp *amp = chip->mixer_data;
442
443 ucontrol->value.integer.value[0] = amp->amp_master;
444 return 0;
445}
446
447static int snd_pmac_awacs_put_master_amp(struct snd_kcontrol *kcontrol,
448 struct snd_ctl_elem_value *ucontrol)
449{
450 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
451 struct awacs_amp *amp = chip->mixer_data;
452 unsigned int val;
453
454 val = ucontrol->value.integer.value[0];
455 if (val > 99)
456 return -EINVAL;
457 if (val != amp->amp_master) {
458 amp->amp_master = val;
459 awacs_amp_set_master(amp, amp->amp_master);
460 return 1;
461 }
462 return 0;
463}
464
465#define AMP_CH_SPK 0
466#define AMP_CH_HD 1
467
468static const struct snd_kcontrol_new snd_pmac_awacs_amp_vol[] = {
469 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
470 .name = "Speaker Playback Volume",
471 .info = snd_pmac_awacs_info_volume_amp,
472 .get = snd_pmac_awacs_get_volume_amp,
473 .put = snd_pmac_awacs_put_volume_amp,
474 .private_value = AMP_CH_SPK,
475 },
476 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
477 .name = "Headphone Playback Volume",
478 .info = snd_pmac_awacs_info_volume_amp,
479 .get = snd_pmac_awacs_get_volume_amp,
480 .put = snd_pmac_awacs_put_volume_amp,
481 .private_value = AMP_CH_HD,
482 },
483 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
484 .name = "Tone Control - Bass",
485 .info = snd_pmac_awacs_info_tone_amp,
486 .get = snd_pmac_awacs_get_tone_amp,
487 .put = snd_pmac_awacs_put_tone_amp,
488 .private_value = 0,
489 },
490 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
491 .name = "Tone Control - Treble",
492 .info = snd_pmac_awacs_info_tone_amp,
493 .get = snd_pmac_awacs_get_tone_amp,
494 .put = snd_pmac_awacs_put_tone_amp,
495 .private_value = 1,
496 },
497 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
498 .name = "Amp Master Playback Volume",
499 .info = snd_pmac_awacs_info_master_amp,
500 .get = snd_pmac_awacs_get_master_amp,
501 .put = snd_pmac_awacs_put_master_amp,
502 },
503};
504
505static const struct snd_kcontrol_new snd_pmac_awacs_amp_hp_sw = {
506 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
507 .name = "Headphone Playback Switch",
508 .info = snd_pmac_boolean_stereo_info,
509 .get = snd_pmac_awacs_get_switch_amp,
510 .put = snd_pmac_awacs_put_switch_amp,
511 .private_value = AMP_CH_HD,
512};
513
514static const struct snd_kcontrol_new snd_pmac_awacs_amp_spk_sw = {
515 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
516 .name = "Speaker Playback Switch",
517 .info = snd_pmac_boolean_stereo_info,
518 .get = snd_pmac_awacs_get_switch_amp,
519 .put = snd_pmac_awacs_put_switch_amp,
520 .private_value = AMP_CH_SPK,
521};
522
523#endif /* PMAC_AMP_AVAIL */
524
525
526/*
527 * mic boost for screamer
528 */
529static int snd_pmac_screamer_mic_boost_info(struct snd_kcontrol *kcontrol,
530 struct snd_ctl_elem_info *uinfo)
531{
532 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
533 uinfo->count = 1;
534 uinfo->value.integer.min = 0;
535 uinfo->value.integer.max = 3;
536 return 0;
537}
538
539static int snd_pmac_screamer_mic_boost_get(struct snd_kcontrol *kcontrol,
540 struct snd_ctl_elem_value *ucontrol)
541{
542 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
543 int val = 0;
544 unsigned long flags;
545
546 spin_lock_irqsave(&chip->reg_lock, flags);
547 if (chip->awacs_reg[6] & MASK_MIC_BOOST)
548 val |= 2;
549 if (chip->awacs_reg[0] & MASK_GAINLINE)
550 val |= 1;
551 spin_unlock_irqrestore(lock: &chip->reg_lock, flags);
552 ucontrol->value.integer.value[0] = val;
553 return 0;
554}
555
556static int snd_pmac_screamer_mic_boost_put(struct snd_kcontrol *kcontrol,
557 struct snd_ctl_elem_value *ucontrol)
558{
559 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
560 int changed = 0;
561 int val0, val6;
562 unsigned long flags;
563
564 spin_lock_irqsave(&chip->reg_lock, flags);
565 val0 = chip->awacs_reg[0] & ~MASK_GAINLINE;
566 val6 = chip->awacs_reg[6] & ~MASK_MIC_BOOST;
567 if (ucontrol->value.integer.value[0] & 1)
568 val0 |= MASK_GAINLINE;
569 if (ucontrol->value.integer.value[0] & 2)
570 val6 |= MASK_MIC_BOOST;
571 if (val0 != chip->awacs_reg[0]) {
572 snd_pmac_awacs_write_reg(chip, reg: 0, val: val0);
573 changed = 1;
574 }
575 if (val6 != chip->awacs_reg[6]) {
576 snd_pmac_awacs_write_reg(chip, reg: 6, val: val6);
577 changed = 1;
578 }
579 spin_unlock_irqrestore(lock: &chip->reg_lock, flags);
580 return changed;
581}
582
583/*
584 * lists of mixer elements
585 */
586static const struct snd_kcontrol_new snd_pmac_awacs_mixers[] = {
587 AWACS_SWITCH("Master Capture Switch", 1, SHIFT_LOOPTHRU, 0),
588 AWACS_VOLUME("Master Capture Volume", 0, 4, 0),
589/* AWACS_SWITCH("Unknown Playback Switch", 6, SHIFT_PAROUT0, 0), */
590};
591
592static const struct snd_kcontrol_new snd_pmac_screamer_mixers_beige[] = {
593 AWACS_VOLUME("Master Playback Volume", 2, 6, 1),
594 AWACS_VOLUME("Play-through Playback Volume", 5, 6, 1),
595 AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
596 AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_LINE, 0),
597};
598
599static const struct snd_kcontrol_new snd_pmac_screamer_mixers_lo[] = {
600 AWACS_VOLUME("Line out Playback Volume", 2, 6, 1),
601};
602
603static const struct snd_kcontrol_new snd_pmac_screamer_mixers_imac[] = {
604 AWACS_VOLUME("Play-through Playback Volume", 5, 6, 1),
605 AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
606};
607
608static const struct snd_kcontrol_new snd_pmac_screamer_mixers_g4agp[] = {
609 AWACS_VOLUME("Line out Playback Volume", 2, 6, 1),
610 AWACS_VOLUME("Master Playback Volume", 5, 6, 1),
611 AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
612 AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
613};
614
615static const struct snd_kcontrol_new snd_pmac_awacs_mixers_pmac7500[] = {
616 AWACS_VOLUME("Line out Playback Volume", 2, 6, 1),
617 AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
618 AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
619};
620
621static const struct snd_kcontrol_new snd_pmac_awacs_mixers_pmac5500[] = {
622 AWACS_VOLUME("Headphone Playback Volume", 2, 6, 1),
623};
624
625static const struct snd_kcontrol_new snd_pmac_awacs_mixers_pmac[] = {
626 AWACS_VOLUME("Master Playback Volume", 2, 6, 1),
627 AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
628};
629
630/* FIXME: is this correct order?
631 * screamer (powerbook G3 pismo) seems to have different bits...
632 */
633static const struct snd_kcontrol_new snd_pmac_awacs_mixers2[] = {
634 AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_LINE, 0),
635 AWACS_SWITCH("Mic Capture Switch", 0, SHIFT_MUX_MIC, 0),
636};
637
638static const struct snd_kcontrol_new snd_pmac_screamer_mixers2[] = {
639 AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
640 AWACS_SWITCH("Mic Capture Switch", 0, SHIFT_MUX_LINE, 0),
641};
642
643static const struct snd_kcontrol_new snd_pmac_awacs_mixers2_pmac5500[] = {
644 AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
645};
646
647static const struct snd_kcontrol_new snd_pmac_awacs_master_sw =
648AWACS_SWITCH("Master Playback Switch", 1, SHIFT_HDMUTE, 1);
649
650static const struct snd_kcontrol_new snd_pmac_awacs_master_sw_imac =
651AWACS_SWITCH("Line out Playback Switch", 1, SHIFT_HDMUTE, 1);
652
653static const struct snd_kcontrol_new snd_pmac_awacs_master_sw_pmac5500 =
654AWACS_SWITCH("Headphone Playback Switch", 1, SHIFT_HDMUTE, 1);
655
656static const struct snd_kcontrol_new snd_pmac_awacs_mic_boost[] = {
657 AWACS_SWITCH("Mic Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
658};
659
660static const struct snd_kcontrol_new snd_pmac_screamer_mic_boost[] = {
661 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
662 .name = "Mic Boost Capture Volume",
663 .info = snd_pmac_screamer_mic_boost_info,
664 .get = snd_pmac_screamer_mic_boost_get,
665 .put = snd_pmac_screamer_mic_boost_put,
666 },
667};
668
669static const struct snd_kcontrol_new snd_pmac_awacs_mic_boost_pmac7500[] =
670{
671 AWACS_SWITCH("Line Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
672};
673
674static const struct snd_kcontrol_new snd_pmac_screamer_mic_boost_beige[] =
675{
676 AWACS_SWITCH("Line Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
677 AWACS_SWITCH("CD Boost Capture Switch", 6, SHIFT_MIC_BOOST, 0),
678};
679
680static const struct snd_kcontrol_new snd_pmac_screamer_mic_boost_imac[] =
681{
682 AWACS_SWITCH("Line Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
683 AWACS_SWITCH("Mic Boost Capture Switch", 6, SHIFT_MIC_BOOST, 0),
684};
685
686static const struct snd_kcontrol_new snd_pmac_awacs_speaker_vol[] = {
687 AWACS_VOLUME("Speaker Playback Volume", 4, 6, 1),
688};
689
690static const struct snd_kcontrol_new snd_pmac_awacs_speaker_sw =
691AWACS_SWITCH("Speaker Playback Switch", 1, SHIFT_SPKMUTE, 1);
692
693static const struct snd_kcontrol_new snd_pmac_awacs_speaker_sw_imac1 =
694AWACS_SWITCH("Speaker Playback Switch", 1, SHIFT_PAROUT1, 1);
695
696static const struct snd_kcontrol_new snd_pmac_awacs_speaker_sw_imac2 =
697AWACS_SWITCH("Speaker Playback Switch", 1, SHIFT_PAROUT1, 0);
698
699
700/*
701 * add new mixer elements to the card
702 */
703static int build_mixers(struct snd_pmac *chip, int nums,
704 const struct snd_kcontrol_new *mixers)
705{
706 int i, err;
707
708 for (i = 0; i < nums; i++) {
709 err = snd_ctl_add(card: chip->card, kcontrol: snd_ctl_new1(kcontrolnew: &mixers[i], private_data: chip));
710 if (err < 0)
711 return err;
712 }
713 return 0;
714}
715
716
717/*
718 * restore all registers
719 */
720static void awacs_restore_all_regs(struct snd_pmac *chip)
721{
722 snd_pmac_awacs_write_noreg(chip, reg: 0, val: chip->awacs_reg[0]);
723 snd_pmac_awacs_write_noreg(chip, reg: 1, val: chip->awacs_reg[1]);
724 snd_pmac_awacs_write_noreg(chip, reg: 2, val: chip->awacs_reg[2]);
725 snd_pmac_awacs_write_noreg(chip, reg: 4, val: chip->awacs_reg[4]);
726 if (chip->model == PMAC_SCREAMER) {
727 snd_pmac_awacs_write_noreg(chip, reg: 5, val: chip->awacs_reg[5]);
728 snd_pmac_awacs_write_noreg(chip, reg: 6, val: chip->awacs_reg[6]);
729 snd_pmac_awacs_write_noreg(chip, reg: 7, val: chip->awacs_reg[7]);
730 }
731}
732
733#ifdef CONFIG_PM
734static void snd_pmac_awacs_suspend(struct snd_pmac *chip)
735{
736 snd_pmac_awacs_write_noreg(chip, reg: 1, val: (chip->awacs_reg[1]
737 | MASK_AMUTE | MASK_CMUTE));
738}
739
740static void snd_pmac_awacs_resume(struct snd_pmac *chip)
741{
742 if (of_machine_is_compatible(compat: "PowerBook3,1")
743 || of_machine_is_compatible(compat: "PowerBook3,2")) {
744 msleep(msecs: 100);
745 snd_pmac_awacs_write_reg(chip, reg: 1,
746 val: chip->awacs_reg[1] & ~MASK_PAROUT);
747 msleep(msecs: 300);
748 }
749
750 awacs_restore_all_regs(chip);
751 if (chip->model == PMAC_SCREAMER) {
752 /* reset power bits in reg 6 */
753 mdelay(5);
754 snd_pmac_awacs_write_noreg(chip, reg: 6, val: chip->awacs_reg[6]);
755 }
756 screamer_recalibrate(chip);
757#ifdef PMAC_AMP_AVAIL
758 if (chip->mixer_data) {
759 struct awacs_amp *amp = chip->mixer_data;
760 awacs_amp_set_vol(amp, 0,
761 amp->amp_vol[0][0], amp->amp_vol[0][1], 0);
762 awacs_amp_set_vol(amp, 1,
763 amp->amp_vol[1][0], amp->amp_vol[1][1], 0);
764 awacs_amp_set_tone(amp, amp->amp_tone[0], amp->amp_tone[1]);
765 awacs_amp_set_master(amp, amp->amp_master);
766 }
767#endif
768}
769#endif /* CONFIG_PM */
770
771#define IS_PM7500 (of_machine_is_compatible("AAPL,7500") \
772 || of_machine_is_compatible("AAPL,8500") \
773 || of_machine_is_compatible("AAPL,9500"))
774#define IS_PM5500 (of_machine_is_compatible("AAPL,e411"))
775#define IS_BEIGE (of_machine_is_compatible("AAPL,Gossamer"))
776#define IS_IMAC1 (of_machine_is_compatible("PowerMac2,1"))
777#define IS_IMAC2 (of_machine_is_compatible("PowerMac2,2") \
778 || of_machine_is_compatible("PowerMac4,1"))
779#define IS_G4AGP (of_machine_is_compatible("PowerMac3,1"))
780#define IS_LOMBARD (of_machine_is_compatible("PowerBook1,1"))
781
782static int imac1, imac2;
783
784#ifdef PMAC_SUPPORT_AUTOMUTE
785/*
786 * auto-mute stuffs
787 */
788static int snd_pmac_awacs_detect_headphone(struct snd_pmac *chip)
789{
790 return (in_le32(&chip->awacs->codec_stat) & chip->hp_stat_mask) ? 1 : 0;
791}
792
793#ifdef PMAC_AMP_AVAIL
794static int toggle_amp_mute(struct awacs_amp *amp, int index, int mute)
795{
796 int vol[2];
797 vol[0] = amp->amp_vol[index][0] & 31;
798 vol[1] = amp->amp_vol[index][1] & 31;
799 if (mute) {
800 vol[0] |= 32;
801 vol[1] |= 32;
802 }
803 return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
804}
805#endif
806
807static void snd_pmac_awacs_update_automute(struct snd_pmac *chip, int do_notify)
808{
809 if (chip->auto_mute) {
810#ifdef PMAC_AMP_AVAIL
811 if (chip->mixer_data) {
812 struct awacs_amp *amp = chip->mixer_data;
813 int changed;
814 if (snd_pmac_awacs_detect_headphone(chip)) {
815 changed = toggle_amp_mute(amp, AMP_CH_HD, 0);
816 changed |= toggle_amp_mute(amp, AMP_CH_SPK, 1);
817 } else {
818 changed = toggle_amp_mute(amp, AMP_CH_HD, 1);
819 changed |= toggle_amp_mute(amp, AMP_CH_SPK, 0);
820 }
821 if (do_notify && ! changed)
822 return;
823 } else
824#endif
825 {
826 int reg = chip->awacs_reg[1]
827 | (MASK_HDMUTE | MASK_SPKMUTE);
828 if (imac1) {
829 reg &= ~MASK_SPKMUTE;
830 reg |= MASK_PAROUT1;
831 } else if (imac2) {
832 reg &= ~MASK_SPKMUTE;
833 reg &= ~MASK_PAROUT1;
834 }
835 if (snd_pmac_awacs_detect_headphone(chip))
836 reg &= ~MASK_HDMUTE;
837 else if (imac1)
838 reg &= ~MASK_PAROUT1;
839 else if (imac2)
840 reg |= MASK_PAROUT1;
841 else
842 reg &= ~MASK_SPKMUTE;
843 if (do_notify && reg == chip->awacs_reg[1])
844 return;
845 snd_pmac_awacs_write_reg(chip, reg: 1, val: reg);
846 }
847 if (do_notify) {
848 snd_ctl_notify(card: chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
849 id: &chip->master_sw_ctl->id);
850 snd_ctl_notify(card: chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
851 id: &chip->speaker_sw_ctl->id);
852 snd_ctl_notify(card: chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
853 id: &chip->hp_detect_ctl->id);
854 }
855 }
856}
857#endif /* PMAC_SUPPORT_AUTOMUTE */
858
859
860/*
861 * initialize chip
862 */
863int
864snd_pmac_awacs_init(struct snd_pmac *chip)
865{
866 int pm7500 = IS_PM7500;
867 int pm5500 = IS_PM5500;
868 int beige = IS_BEIGE;
869 int g4agp = IS_G4AGP;
870 int lombard = IS_LOMBARD;
871 int imac;
872 int err, vol;
873 struct snd_kcontrol *vmaster_sw, *vmaster_vol;
874 struct snd_kcontrol *master_vol, *speaker_vol;
875
876 imac1 = IS_IMAC1;
877 imac2 = IS_IMAC2;
878 imac = imac1 || imac2;
879 /* looks like MASK_GAINLINE triggers something, so we set here
880 * as start-up
881 */
882 chip->awacs_reg[0] = MASK_MUX_CD | 0xff | MASK_GAINLINE;
883 chip->awacs_reg[1] = MASK_CMUTE | MASK_AMUTE;
884 /* FIXME: Only machines with external SRS module need MASK_PAROUT */
885 if (chip->has_iic || chip->device_id == 0x5 ||
886 /* chip->_device_id == 0x8 || */
887 chip->device_id == 0xb)
888 chip->awacs_reg[1] |= MASK_PAROUT;
889 /* get default volume from nvram */
890 // vol = (~nvram_read_byte(0x1308) & 7) << 1;
891 // vol = ((pmac_xpram_read( 8 ) & 7 ) << 1 );
892 vol = 0x0f; /* no, on alsa, muted as default */
893 vol = vol + (vol << 6);
894 chip->awacs_reg[2] = vol;
895 chip->awacs_reg[4] = vol;
896 if (chip->model == PMAC_SCREAMER) {
897 /* FIXME: screamer has loopthru vol control */
898 chip->awacs_reg[5] = vol;
899 /* FIXME: maybe should be vol << 3 for PCMCIA speaker */
900 chip->awacs_reg[6] = MASK_MIC_BOOST;
901 chip->awacs_reg[7] = 0;
902 }
903
904 awacs_restore_all_regs(chip);
905 chip->manufacturer = (in_le32(&chip->awacs->codec_stat) >> 8) & 0xf;
906 screamer_recalibrate(chip);
907
908 chip->revision = (in_le32(&chip->awacs->codec_stat) >> 12) & 0xf;
909#ifdef PMAC_AMP_AVAIL
910 if (chip->revision == 3 && chip->has_iic && CHECK_CUDA_AMP()) {
911 struct awacs_amp *amp = kzalloc(sizeof(*amp), GFP_KERNEL);
912 if (! amp)
913 return -ENOMEM;
914 chip->mixer_data = amp;
915 chip->mixer_free = awacs_amp_free;
916 /* mute and zero vol */
917 awacs_amp_set_vol(amp, 0, 63, 63, 0);
918 awacs_amp_set_vol(amp, 1, 63, 63, 0);
919 awacs_amp_set_tone(amp, 7, 7); /* 0 dB */
920 awacs_amp_set_master(amp, 79); /* 0 dB */
921 }
922#endif /* PMAC_AMP_AVAIL */
923
924 if (chip->hp_stat_mask == 0) {
925 /* set headphone-jack detection bit */
926 switch (chip->model) {
927 case PMAC_AWACS:
928 chip->hp_stat_mask = pm7500 || pm5500 ? MASK_HDPCONN
929 : MASK_LOCONN;
930 break;
931 case PMAC_SCREAMER:
932 switch (chip->device_id) {
933 case 0x08:
934 case 0x0B:
935 chip->hp_stat_mask = imac
936 ? MASK_LOCONN_IMAC |
937 MASK_HDPLCONN_IMAC |
938 MASK_HDPRCONN_IMAC
939 : MASK_HDPCONN;
940 break;
941 case 0x00:
942 case 0x05:
943 chip->hp_stat_mask = MASK_LOCONN;
944 break;
945 default:
946 chip->hp_stat_mask = MASK_HDPCONN;
947 break;
948 }
949 break;
950 default:
951 snd_BUG();
952 break;
953 }
954 }
955
956 /*
957 * build mixers
958 */
959 strcpy(p: chip->card->mixername, q: "PowerMac AWACS");
960
961 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mixers),
962 mixers: snd_pmac_awacs_mixers);
963 if (err < 0)
964 return err;
965 if (beige || g4agp)
966 ;
967 else if (chip->model == PMAC_SCREAMER || pm5500)
968 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_screamer_mixers2),
969 mixers: snd_pmac_screamer_mixers2);
970 else if (!pm7500)
971 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mixers2),
972 mixers: snd_pmac_awacs_mixers2);
973 if (err < 0)
974 return err;
975 if (pm5500) {
976 err = build_mixers(chip,
977 ARRAY_SIZE(snd_pmac_awacs_mixers2_pmac5500),
978 mixers: snd_pmac_awacs_mixers2_pmac5500);
979 if (err < 0)
980 return err;
981 }
982 master_vol = NULL;
983 if (pm7500)
984 err = build_mixers(chip,
985 ARRAY_SIZE(snd_pmac_awacs_mixers_pmac7500),
986 mixers: snd_pmac_awacs_mixers_pmac7500);
987 else if (pm5500)
988 err = snd_ctl_add(card: chip->card,
989 kcontrol: (master_vol = snd_ctl_new1(kcontrolnew: snd_pmac_awacs_mixers_pmac5500,
990 private_data: chip)));
991 else if (beige)
992 err = build_mixers(chip,
993 ARRAY_SIZE(snd_pmac_screamer_mixers_beige),
994 mixers: snd_pmac_screamer_mixers_beige);
995 else if (imac || lombard) {
996 err = snd_ctl_add(card: chip->card,
997 kcontrol: (master_vol = snd_ctl_new1(kcontrolnew: snd_pmac_screamer_mixers_lo,
998 private_data: chip)));
999 if (err < 0)
1000 return err;
1001 err = build_mixers(chip,
1002 ARRAY_SIZE(snd_pmac_screamer_mixers_imac),
1003 mixers: snd_pmac_screamer_mixers_imac);
1004 } else if (g4agp)
1005 err = build_mixers(chip,
1006 ARRAY_SIZE(snd_pmac_screamer_mixers_g4agp),
1007 mixers: snd_pmac_screamer_mixers_g4agp);
1008 else
1009 err = build_mixers(chip,
1010 ARRAY_SIZE(snd_pmac_awacs_mixers_pmac),
1011 mixers: snd_pmac_awacs_mixers_pmac);
1012 if (err < 0)
1013 return err;
1014 chip->master_sw_ctl = snd_ctl_new1(kcontrolnew: (pm7500 || imac || g4agp || lombard)
1015 ? &snd_pmac_awacs_master_sw_imac
1016 : pm5500
1017 ? &snd_pmac_awacs_master_sw_pmac5500
1018 : &snd_pmac_awacs_master_sw, private_data: chip);
1019 err = snd_ctl_add(card: chip->card, kcontrol: chip->master_sw_ctl);
1020 if (err < 0)
1021 return err;
1022#ifdef PMAC_AMP_AVAIL
1023 if (chip->mixer_data) {
1024 /* use amplifier. the signal is connected from route A
1025 * to the amp. the amp has its headphone and speaker
1026 * volumes and mute switches, so we use them instead of
1027 * screamer registers.
1028 * in this case, it seems the route C is not used.
1029 */
1030 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_amp_vol),
1031 snd_pmac_awacs_amp_vol);
1032 if (err < 0)
1033 return err;
1034 /* overwrite */
1035 chip->master_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_amp_hp_sw,
1036 chip);
1037 err = snd_ctl_add(chip->card, chip->master_sw_ctl);
1038 if (err < 0)
1039 return err;
1040 chip->speaker_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_amp_spk_sw,
1041 chip);
1042 err = snd_ctl_add(chip->card, chip->speaker_sw_ctl);
1043 if (err < 0)
1044 return err;
1045 } else
1046#endif /* PMAC_AMP_AVAIL */
1047 {
1048 /* route A = headphone, route C = speaker */
1049 err = snd_ctl_add(card: chip->card,
1050 kcontrol: (speaker_vol = snd_ctl_new1(kcontrolnew: snd_pmac_awacs_speaker_vol,
1051 private_data: chip)));
1052 if (err < 0)
1053 return err;
1054 chip->speaker_sw_ctl = snd_ctl_new1(kcontrolnew: imac1
1055 ? &snd_pmac_awacs_speaker_sw_imac1
1056 : imac2
1057 ? &snd_pmac_awacs_speaker_sw_imac2
1058 : &snd_pmac_awacs_speaker_sw, private_data: chip);
1059 err = snd_ctl_add(card: chip->card, kcontrol: chip->speaker_sw_ctl);
1060 if (err < 0)
1061 return err;
1062 }
1063
1064 if (pm5500 || imac || lombard) {
1065 vmaster_sw = snd_ctl_make_virtual_master(
1066 name: "Master Playback Switch", tlv: (unsigned int *) NULL);
1067 err = snd_ctl_add_follower_uncached(master: vmaster_sw,
1068 follower: chip->master_sw_ctl);
1069 if (err < 0)
1070 return err;
1071 err = snd_ctl_add_follower_uncached(master: vmaster_sw,
1072 follower: chip->speaker_sw_ctl);
1073 if (err < 0)
1074 return err;
1075 err = snd_ctl_add(card: chip->card, kcontrol: vmaster_sw);
1076 if (err < 0)
1077 return err;
1078 vmaster_vol = snd_ctl_make_virtual_master(
1079 name: "Master Playback Volume", tlv: (unsigned int *) NULL);
1080 err = snd_ctl_add_follower(master: vmaster_vol, follower: master_vol);
1081 if (err < 0)
1082 return err;
1083 err = snd_ctl_add_follower(master: vmaster_vol, follower: speaker_vol);
1084 if (err < 0)
1085 return err;
1086 err = snd_ctl_add(card: chip->card, kcontrol: vmaster_vol);
1087 if (err < 0)
1088 return err;
1089 }
1090
1091 if (beige || g4agp)
1092 err = build_mixers(chip,
1093 ARRAY_SIZE(snd_pmac_screamer_mic_boost_beige),
1094 mixers: snd_pmac_screamer_mic_boost_beige);
1095 else if (imac)
1096 err = build_mixers(chip,
1097 ARRAY_SIZE(snd_pmac_screamer_mic_boost_imac),
1098 mixers: snd_pmac_screamer_mic_boost_imac);
1099 else if (chip->model == PMAC_SCREAMER)
1100 err = build_mixers(chip,
1101 ARRAY_SIZE(snd_pmac_screamer_mic_boost),
1102 mixers: snd_pmac_screamer_mic_boost);
1103 else if (pm7500)
1104 err = build_mixers(chip,
1105 ARRAY_SIZE(snd_pmac_awacs_mic_boost_pmac7500),
1106 mixers: snd_pmac_awacs_mic_boost_pmac7500);
1107 else
1108 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mic_boost),
1109 mixers: snd_pmac_awacs_mic_boost);
1110 if (err < 0)
1111 return err;
1112
1113 /*
1114 * set lowlevel callbacks
1115 */
1116 chip->set_format = snd_pmac_awacs_set_format;
1117#ifdef CONFIG_PM
1118 chip->suspend = snd_pmac_awacs_suspend;
1119 chip->resume = snd_pmac_awacs_resume;
1120#endif
1121#ifdef PMAC_SUPPORT_AUTOMUTE
1122 err = snd_pmac_add_automute(chip);
1123 if (err < 0)
1124 return err;
1125 chip->detect_headphone = snd_pmac_awacs_detect_headphone;
1126 chip->update_automute = snd_pmac_awacs_update_automute;
1127 snd_pmac_awacs_update_automute(chip, do_notify: 0); /* update the status only */
1128#endif
1129 if (chip->model == PMAC_SCREAMER) {
1130 snd_pmac_awacs_write_noreg(chip, reg: 6, val: chip->awacs_reg[6]);
1131 snd_pmac_awacs_write_noreg(chip, reg: 0, val: chip->awacs_reg[0]);
1132 }
1133
1134 return 0;
1135}
1136

source code of linux/sound/ppc/awacs.c