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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * PMac Tumbler/Snapper lowlevel functions
4 *
5 * Copyright (c) by Takashi Iwai <tiwai@suse.de>
6 *
7 * Rene Rebe <rene.rebe@gmx.net>:
8 * * update from shadow registers on wakeup and headphone plug
9 * * automatically toggle DRC on headphone plug
10 */
11
12
13#include <linux/init.h>
14#include <linux/delay.h>
15#include <linux/i2c.h>
16#include <linux/kmod.h>
17#include <linux/slab.h>
18#include <linux/interrupt.h>
19#include <linux/string.h>
20#include <linux/of_irq.h>
21#include <linux/io.h>
22#include <sound/core.h>
23#include <asm/irq.h>
24#include <asm/machdep.h>
25#include <asm/pmac_feature.h>
26#include "pmac.h"
27#include "tumbler_volume.h"
28
29#undef DEBUG
30
31#ifdef DEBUG
32#define DBG(fmt...) pr_debug(fmt)
33#else
34#define DBG(fmt...)
35#endif
36
37#define IS_G4DA (of_machine_is_compatible("PowerMac3,4"))
38
39/* i2c address for tumbler */
40#define TAS_I2C_ADDR 0x34
41
42/* registers */
43#define TAS_REG_MCS 0x01 /* main control */
44#define TAS_REG_DRC 0x02
45#define TAS_REG_VOL 0x04
46#define TAS_REG_TREBLE 0x05
47#define TAS_REG_BASS 0x06
48#define TAS_REG_INPUT1 0x07
49#define TAS_REG_INPUT2 0x08
50
51/* tas3001c */
52#define TAS_REG_PCM TAS_REG_INPUT1
53
54/* tas3004 */
55#define TAS_REG_LMIX TAS_REG_INPUT1
56#define TAS_REG_RMIX TAS_REG_INPUT2
57#define TAS_REG_MCS2 0x43 /* main control 2 */
58#define TAS_REG_ACS 0x40 /* analog control */
59
60/* mono volumes for tas3001c/tas3004 */
61enum {
62 VOL_IDX_PCM_MONO, /* tas3001c only */
63 VOL_IDX_BASS, VOL_IDX_TREBLE,
64 VOL_IDX_LAST_MONO
65};
66
67/* stereo volumes for tas3004 */
68enum {
69 VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC,
70 VOL_IDX_LAST_MIX
71};
72
73struct pmac_gpio {
74 unsigned int addr;
75 u8 active_val;
76 u8 inactive_val;
77 u8 active_state;
78};
79
80struct pmac_tumbler {
81 struct pmac_keywest i2c;
82 struct pmac_gpio audio_reset;
83 struct pmac_gpio amp_mute;
84 struct pmac_gpio line_mute;
85 struct pmac_gpio line_detect;
86 struct pmac_gpio hp_mute;
87 struct pmac_gpio hp_detect;
88 int headphone_irq;
89 int lineout_irq;
90 unsigned int save_master_vol[2];
91 unsigned int master_vol[2];
92 unsigned int save_master_switch[2];
93 unsigned int master_switch[2];
94 unsigned int mono_vol[VOL_IDX_LAST_MONO];
95 unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */
96 int drc_range;
97 int drc_enable;
98 int capture_source;
99 int anded_reset;
100 int auto_mute_notify;
101 int reset_on_sleep;
102 u8 acs;
103};
104
105
106/*
107 */
108
109static int send_init_client(struct pmac_keywest *i2c, const unsigned int *regs)
110{
111 while (*regs > 0) {
112 int err, count = 10;
113 do {
114 err = i2c_smbus_write_byte_data(i2c->client,
115 regs[0], regs[1]);
116 if (err >= 0)
117 break;
118 DBG("(W) i2c error %d\n", err);
119 mdelay(10);
120 } while (count--);
121 if (err < 0)
122 return -ENXIO;
123 regs += 2;
124 }
125 return 0;
126}
127
128
129static int tumbler_init_client(struct pmac_keywest *i2c)
130{
131 static const unsigned int regs[] = {
132 /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */
133 TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0,
134 0, /* terminator */
135 };
136 DBG("(I) tumbler init client\n");
137 return send_init_client(i2c, regs);
138}
139
140static int snapper_init_client(struct pmac_keywest *i2c)
141{
142 static const unsigned int regs[] = {
143 /* normal operation, SCLK=64fps, i2s output, 16bit width */
144 TAS_REG_MCS, (1<<6)|(2<<4)|0,
145 /* normal operation, all-pass mode */
146 TAS_REG_MCS2, (1<<1),
147 /* normal output, no deemphasis, A input, power-up, line-in */
148 TAS_REG_ACS, 0,
149 0, /* terminator */
150 };
151 DBG("(I) snapper init client\n");
152 return send_init_client(i2c, regs);
153}
154
155/*
156 * gpio access
157 */
158#define do_gpio_write(gp, val) \
159 pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val)
160#define do_gpio_read(gp) \
161 pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0)
162#define tumbler_gpio_free(gp) /* NOP */
163
164static void write_audio_gpio(struct pmac_gpio *gp, int active)
165{
166 if (! gp->addr)
167 return;
168 active = active ? gp->active_val : gp->inactive_val;
169 do_gpio_write(gp, active);
170 DBG("(I) gpio %x write %d\n", gp->addr, active);
171}
172
173static int check_audio_gpio(struct pmac_gpio *gp)
174{
175 int ret;
176
177 if (! gp->addr)
178 return 0;
179
180 ret = do_gpio_read(gp);
181
182 return (ret & 0x1) == (gp->active_val & 0x1);
183}
184
185static int read_audio_gpio(struct pmac_gpio *gp)
186{
187 int ret;
188 if (! gp->addr)
189 return 0;
190 ret = do_gpio_read(gp);
191 ret = (ret & 0x02) !=0;
192 return ret == gp->active_state;
193}
194
195/*
196 * update master volume
197 */
198static int tumbler_set_master_volume(struct pmac_tumbler *mix)
199{
200 unsigned char block[6];
201 unsigned int left_vol, right_vol;
202
203 if (! mix->i2c.client)
204 return -ENODEV;
205
206 if (! mix->master_switch[0])
207 left_vol = 0;
208 else {
209 left_vol = mix->master_vol[0];
210 if (left_vol >= ARRAY_SIZE(master_volume_table))
211 left_vol = ARRAY_SIZE(master_volume_table) - 1;
212 left_vol = master_volume_table[left_vol];
213 }
214 if (! mix->master_switch[1])
215 right_vol = 0;
216 else {
217 right_vol = mix->master_vol[1];
218 if (right_vol >= ARRAY_SIZE(master_volume_table))
219 right_vol = ARRAY_SIZE(master_volume_table) - 1;
220 right_vol = master_volume_table[right_vol];
221 }
222
223 block[0] = (left_vol >> 16) & 0xff;
224 block[1] = (left_vol >> 8) & 0xff;
225 block[2] = (left_vol >> 0) & 0xff;
226
227 block[3] = (right_vol >> 16) & 0xff;
228 block[4] = (right_vol >> 8) & 0xff;
229 block[5] = (right_vol >> 0) & 0xff;
230
231 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6,
232 block) < 0) {
233 dev_err(&mix->i2c.client->dev, "failed to set volume\n");
234 return -EINVAL;
235 }
236 DBG("(I) succeeded to set volume (%u, %u)\n", left_vol, right_vol);
237 return 0;
238}
239
240
241/* output volume */
242static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol,
243 struct snd_ctl_elem_info *uinfo)
244{
245 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
246 uinfo->count = 2;
247 uinfo->value.integer.min = 0;
248 uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1;
249 return 0;
250}
251
252static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol,
253 struct snd_ctl_elem_value *ucontrol)
254{
255 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
256 struct pmac_tumbler *mix = chip->mixer_data;
257
258 ucontrol->value.integer.value[0] = mix->master_vol[0];
259 ucontrol->value.integer.value[1] = mix->master_vol[1];
260 return 0;
261}
262
263static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol,
264 struct snd_ctl_elem_value *ucontrol)
265{
266 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
267 struct pmac_tumbler *mix = chip->mixer_data;
268 unsigned int vol[2];
269 int change;
270
271 vol[0] = ucontrol->value.integer.value[0];
272 vol[1] = ucontrol->value.integer.value[1];
273 if (vol[0] >= ARRAY_SIZE(master_volume_table) ||
274 vol[1] >= ARRAY_SIZE(master_volume_table))
275 return -EINVAL;
276 change = mix->master_vol[0] != vol[0] ||
277 mix->master_vol[1] != vol[1];
278 if (change) {
279 mix->master_vol[0] = vol[0];
280 mix->master_vol[1] = vol[1];
281 tumbler_set_master_volume(mix);
282 }
283 return change;
284}
285
286/* output switch */
287static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol,
288 struct snd_ctl_elem_value *ucontrol)
289{
290 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
291 struct pmac_tumbler *mix = chip->mixer_data;
292
293 ucontrol->value.integer.value[0] = mix->master_switch[0];
294 ucontrol->value.integer.value[1] = mix->master_switch[1];
295 return 0;
296}
297
298static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol,
299 struct snd_ctl_elem_value *ucontrol)
300{
301 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
302 struct pmac_tumbler *mix = chip->mixer_data;
303 int change;
304
305 change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
306 mix->master_switch[1] != ucontrol->value.integer.value[1];
307 if (change) {
308 mix->master_switch[0] = !!ucontrol->value.integer.value[0];
309 mix->master_switch[1] = !!ucontrol->value.integer.value[1];
310 tumbler_set_master_volume(mix);
311 }
312 return change;
313}
314
315
316/*
317 * TAS3001c dynamic range compression
318 */
319
320#define TAS3001_DRC_MAX 0x5f
321
322static int tumbler_set_drc(struct pmac_tumbler *mix)
323{
324 unsigned char val[2];
325
326 if (! mix->i2c.client)
327 return -ENODEV;
328
329 if (mix->drc_enable) {
330 val[0] = 0xc1; /* enable, 3:1 compression */
331 if (mix->drc_range > TAS3001_DRC_MAX)
332 val[1] = 0xf0;
333 else if (mix->drc_range < 0)
334 val[1] = 0x91;
335 else
336 val[1] = mix->drc_range + 0x91;
337 } else {
338 val[0] = 0;
339 val[1] = 0;
340 }
341
342 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
343 2, val) < 0) {
344 dev_err(&mix->i2c.client->dev, "failed to set DRC\n");
345 return -EINVAL;
346 }
347 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
348 return 0;
349}
350
351/*
352 * TAS3004
353 */
354
355#define TAS3004_DRC_MAX 0xef
356
357static int snapper_set_drc(struct pmac_tumbler *mix)
358{
359 unsigned char val[6];
360
361 if (! mix->i2c.client)
362 return -ENODEV;
363
364 if (mix->drc_enable)
365 val[0] = 0x50; /* 3:1 above threshold */
366 else
367 val[0] = 0x51; /* disabled */
368 val[1] = 0x02; /* 1:1 below threshold */
369 if (mix->drc_range > 0xef)
370 val[2] = 0xef;
371 else if (mix->drc_range < 0)
372 val[2] = 0x00;
373 else
374 val[2] = mix->drc_range;
375 val[3] = 0xb0;
376 val[4] = 0x60;
377 val[5] = 0xa0;
378
379 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
380 6, val) < 0) {
381 dev_err(&mix->i2c.client->dev, "failed to set DRC\n");
382 return -EINVAL;
383 }
384 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
385 return 0;
386}
387
388static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol,
389 struct snd_ctl_elem_info *uinfo)
390{
391 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
392 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
393 uinfo->count = 1;
394 uinfo->value.integer.min = 0;
395 uinfo->value.integer.max =
396 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
397 return 0;
398}
399
400static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol,
401 struct snd_ctl_elem_value *ucontrol)
402{
403 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
404 struct pmac_tumbler *mix;
405 mix = chip->mixer_data;
406 if (!mix)
407 return -ENODEV;
408 ucontrol->value.integer.value[0] = mix->drc_range;
409 return 0;
410}
411
412static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol,
413 struct snd_ctl_elem_value *ucontrol)
414{
415 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
416 struct pmac_tumbler *mix;
417 unsigned int val;
418 int change;
419
420 mix = chip->mixer_data;
421 if (!mix)
422 return -ENODEV;
423 val = ucontrol->value.integer.value[0];
424 if (chip->model == PMAC_TUMBLER) {
425 if (val > TAS3001_DRC_MAX)
426 return -EINVAL;
427 } else {
428 if (val > TAS3004_DRC_MAX)
429 return -EINVAL;
430 }
431 change = mix->drc_range != val;
432 if (change) {
433 mix->drc_range = val;
434 if (chip->model == PMAC_TUMBLER)
435 tumbler_set_drc(mix);
436 else
437 snapper_set_drc(mix);
438 }
439 return change;
440}
441
442static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol,
443 struct snd_ctl_elem_value *ucontrol)
444{
445 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
446 struct pmac_tumbler *mix;
447 mix = chip->mixer_data;
448 if (!mix)
449 return -ENODEV;
450 ucontrol->value.integer.value[0] = mix->drc_enable;
451 return 0;
452}
453
454static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol,
455 struct snd_ctl_elem_value *ucontrol)
456{
457 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
458 struct pmac_tumbler *mix;
459 int change;
460
461 mix = chip->mixer_data;
462 if (!mix)
463 return -ENODEV;
464 change = mix->drc_enable != ucontrol->value.integer.value[0];
465 if (change) {
466 mix->drc_enable = !!ucontrol->value.integer.value[0];
467 if (chip->model == PMAC_TUMBLER)
468 tumbler_set_drc(mix);
469 else
470 snapper_set_drc(mix);
471 }
472 return change;
473}
474
475
476/*
477 * mono volumes
478 */
479
480struct tumbler_mono_vol {
481 int index;
482 int reg;
483 int bytes;
484 unsigned int max;
485 const unsigned int *table;
486};
487
488static int tumbler_set_mono_volume(struct pmac_tumbler *mix,
489 const struct tumbler_mono_vol *info)
490{
491 unsigned char block[4];
492 unsigned int vol;
493 int i;
494
495 if (! mix->i2c.client)
496 return -ENODEV;
497
498 vol = mix->mono_vol[info->index];
499 if (vol >= info->max)
500 vol = info->max - 1;
501 vol = info->table[vol];
502 for (i = 0; i < info->bytes; i++)
503 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
504 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg,
505 info->bytes, block) < 0) {
506 dev_err(&mix->i2c.client->dev, "failed to set mono volume %d\n",
507 info->index);
508 return -EINVAL;
509 }
510 return 0;
511}
512
513static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
514 struct snd_ctl_elem_info *uinfo)
515{
516 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
517
518 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
519 uinfo->count = 1;
520 uinfo->value.integer.min = 0;
521 uinfo->value.integer.max = info->max - 1;
522 return 0;
523}
524
525static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
526 struct snd_ctl_elem_value *ucontrol)
527{
528 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
529 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
530 struct pmac_tumbler *mix;
531 mix = chip->mixer_data;
532 if (!mix)
533 return -ENODEV;
534 ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
535 return 0;
536}
537
538static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
539 struct snd_ctl_elem_value *ucontrol)
540{
541 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
542 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
543 struct pmac_tumbler *mix;
544 unsigned int vol;
545 int change;
546
547 mix = chip->mixer_data;
548 if (!mix)
549 return -ENODEV;
550 vol = ucontrol->value.integer.value[0];
551 if (vol >= info->max)
552 return -EINVAL;
553 change = mix->mono_vol[info->index] != vol;
554 if (change) {
555 mix->mono_vol[info->index] = vol;
556 tumbler_set_mono_volume(mix, info);
557 }
558 return change;
559}
560
561/* TAS3001c mono volumes */
562static const struct tumbler_mono_vol tumbler_pcm_vol_info = {
563 .index = VOL_IDX_PCM_MONO,
564 .reg = TAS_REG_PCM,
565 .bytes = 3,
566 .max = ARRAY_SIZE(mixer_volume_table),
567 .table = mixer_volume_table,
568};
569
570static const struct tumbler_mono_vol tumbler_bass_vol_info = {
571 .index = VOL_IDX_BASS,
572 .reg = TAS_REG_BASS,
573 .bytes = 1,
574 .max = ARRAY_SIZE(bass_volume_table),
575 .table = bass_volume_table,
576};
577
578static const struct tumbler_mono_vol tumbler_treble_vol_info = {
579 .index = VOL_IDX_TREBLE,
580 .reg = TAS_REG_TREBLE,
581 .bytes = 1,
582 .max = ARRAY_SIZE(treble_volume_table),
583 .table = treble_volume_table,
584};
585
586/* TAS3004 mono volumes */
587static const struct tumbler_mono_vol snapper_bass_vol_info = {
588 .index = VOL_IDX_BASS,
589 .reg = TAS_REG_BASS,
590 .bytes = 1,
591 .max = ARRAY_SIZE(snapper_bass_volume_table),
592 .table = snapper_bass_volume_table,
593};
594
595static const struct tumbler_mono_vol snapper_treble_vol_info = {
596 .index = VOL_IDX_TREBLE,
597 .reg = TAS_REG_TREBLE,
598 .bytes = 1,
599 .max = ARRAY_SIZE(snapper_treble_volume_table),
600 .table = snapper_treble_volume_table,
601};
602
603
604#define DEFINE_MONO(xname,type) { \
605 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
606 .name = xname, \
607 .info = tumbler_info_mono, \
608 .get = tumbler_get_mono, \
609 .put = tumbler_put_mono, \
610 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
611}
612
613#define DEFINE_SNAPPER_MONO(xname,type) { \
614 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
615 .name = xname, \
616 .info = tumbler_info_mono, \
617 .get = tumbler_get_mono, \
618 .put = tumbler_put_mono, \
619 .private_value = (unsigned long)(&snapper_##type##_vol_info), \
620}
621
622
623/*
624 * snapper mixer volumes
625 */
626
627static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
628{
629 int i, j, vol;
630 unsigned char block[9];
631
632 vol = mix->mix_vol[idx][ch];
633 if (vol >= ARRAY_SIZE(mixer_volume_table)) {
634 vol = ARRAY_SIZE(mixer_volume_table) - 1;
635 mix->mix_vol[idx][ch] = vol;
636 }
637
638 for (i = 0; i < 3; i++) {
639 vol = mix->mix_vol[i][ch];
640 vol = mixer_volume_table[vol];
641 for (j = 0; j < 3; j++)
642 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
643 }
644 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
645 9, block) < 0) {
646 dev_err(&mix->i2c.client->dev,
647 "failed to set mono volume %d\n", reg);
648 return -EINVAL;
649 }
650 return 0;
651}
652
653static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
654{
655 if (! mix->i2c.client)
656 return -ENODEV;
657 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
658 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
659 return -EINVAL;
660 return 0;
661}
662
663static int snapper_info_mix(struct snd_kcontrol *kcontrol,
664 struct snd_ctl_elem_info *uinfo)
665{
666 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
667 uinfo->count = 2;
668 uinfo->value.integer.min = 0;
669 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
670 return 0;
671}
672
673static int snapper_get_mix(struct snd_kcontrol *kcontrol,
674 struct snd_ctl_elem_value *ucontrol)
675{
676 int idx = (int)kcontrol->private_value;
677 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
678 struct pmac_tumbler *mix;
679 mix = chip->mixer_data;
680 if (!mix)
681 return -ENODEV;
682 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
683 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
684 return 0;
685}
686
687static int snapper_put_mix(struct snd_kcontrol *kcontrol,
688 struct snd_ctl_elem_value *ucontrol)
689{
690 int idx = (int)kcontrol->private_value;
691 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
692 struct pmac_tumbler *mix;
693 unsigned int vol[2];
694 int change;
695
696 mix = chip->mixer_data;
697 if (!mix)
698 return -ENODEV;
699 vol[0] = ucontrol->value.integer.value[0];
700 vol[1] = ucontrol->value.integer.value[1];
701 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
702 vol[1] >= ARRAY_SIZE(mixer_volume_table))
703 return -EINVAL;
704 change = mix->mix_vol[idx][0] != vol[0] ||
705 mix->mix_vol[idx][1] != vol[1];
706 if (change) {
707 mix->mix_vol[idx][0] = vol[0];
708 mix->mix_vol[idx][1] = vol[1];
709 snapper_set_mix_vol(mix, idx);
710 }
711 return change;
712}
713
714
715/*
716 * mute switches. FIXME: Turn that into software mute when both outputs are muted
717 * to avoid codec reset on ibook M7
718 */
719
720enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
721
722static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
723 struct snd_ctl_elem_value *ucontrol)
724{
725 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
726 struct pmac_tumbler *mix;
727 struct pmac_gpio *gp;
728 mix = chip->mixer_data;
729 if (!mix)
730 return -ENODEV;
731 switch(kcontrol->private_value) {
732 case TUMBLER_MUTE_HP:
733 gp = &mix->hp_mute; break;
734 case TUMBLER_MUTE_AMP:
735 gp = &mix->amp_mute; break;
736 case TUMBLER_MUTE_LINE:
737 gp = &mix->line_mute; break;
738 default:
739 gp = NULL;
740 }
741 if (gp == NULL)
742 return -EINVAL;
743 ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
744 return 0;
745}
746
747static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
748 struct snd_ctl_elem_value *ucontrol)
749{
750 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
751 struct pmac_tumbler *mix;
752 struct pmac_gpio *gp;
753 int val;
754#ifdef PMAC_SUPPORT_AUTOMUTE
755 if (chip->update_automute && chip->auto_mute)
756 return 0; /* don't touch in the auto-mute mode */
757#endif
758 mix = chip->mixer_data;
759 if (!mix)
760 return -ENODEV;
761 switch(kcontrol->private_value) {
762 case TUMBLER_MUTE_HP:
763 gp = &mix->hp_mute; break;
764 case TUMBLER_MUTE_AMP:
765 gp = &mix->amp_mute; break;
766 case TUMBLER_MUTE_LINE:
767 gp = &mix->line_mute; break;
768 default:
769 gp = NULL;
770 }
771 if (gp == NULL)
772 return -EINVAL;
773 val = ! check_audio_gpio(gp);
774 if (val != ucontrol->value.integer.value[0]) {
775 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
776 return 1;
777 }
778 return 0;
779}
780
781static int snapper_set_capture_source(struct pmac_tumbler *mix)
782{
783 if (! mix->i2c.client)
784 return -ENODEV;
785 if (mix->capture_source)
786 mix->acs |= 2;
787 else
788 mix->acs &= ~2;
789 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
790}
791
792static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
793 struct snd_ctl_elem_info *uinfo)
794{
795 static const char * const texts[2] = {
796 "Line", "Mic"
797 };
798
799 return snd_ctl_enum_info(uinfo, 1, 2, texts);
800}
801
802static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
803 struct snd_ctl_elem_value *ucontrol)
804{
805 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
806 struct pmac_tumbler *mix = chip->mixer_data;
807
808 ucontrol->value.enumerated.item[0] = mix->capture_source;
809 return 0;
810}
811
812static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
813 struct snd_ctl_elem_value *ucontrol)
814{
815 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
816 struct pmac_tumbler *mix = chip->mixer_data;
817 int change;
818
819 change = ucontrol->value.enumerated.item[0] != mix->capture_source;
820 if (change) {
821 mix->capture_source = !!ucontrol->value.enumerated.item[0];
822 snapper_set_capture_source(mix);
823 }
824 return change;
825}
826
827#define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
828 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
829 .name = xname, \
830 .info = snapper_info_mix, \
831 .get = snapper_get_mix, \
832 .put = snapper_put_mix, \
833 .index = idx,\
834 .private_value = ofs, \
835}
836
837
838/*
839 */
840static const struct snd_kcontrol_new tumbler_mixers[] = {
841 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
842 .name = "Master Playback Volume",
843 .info = tumbler_info_master_volume,
844 .get = tumbler_get_master_volume,
845 .put = tumbler_put_master_volume
846 },
847 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
848 .name = "Master Playback Switch",
849 .info = snd_pmac_boolean_stereo_info,
850 .get = tumbler_get_master_switch,
851 .put = tumbler_put_master_switch
852 },
853 DEFINE_MONO("Tone Control - Bass", bass),
854 DEFINE_MONO("Tone Control - Treble", treble),
855 DEFINE_MONO("PCM Playback Volume", pcm),
856 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
857 .name = "DRC Range",
858 .info = tumbler_info_drc_value,
859 .get = tumbler_get_drc_value,
860 .put = tumbler_put_drc_value
861 },
862};
863
864static const struct snd_kcontrol_new snapper_mixers[] = {
865 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
866 .name = "Master Playback Volume",
867 .info = tumbler_info_master_volume,
868 .get = tumbler_get_master_volume,
869 .put = tumbler_put_master_volume
870 },
871 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
872 .name = "Master Playback Switch",
873 .info = snd_pmac_boolean_stereo_info,
874 .get = tumbler_get_master_switch,
875 .put = tumbler_put_master_switch
876 },
877 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
878 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
879 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2),
880 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
881 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
882 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
883 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
884 .name = "DRC Range",
885 .info = tumbler_info_drc_value,
886 .get = tumbler_get_drc_value,
887 .put = tumbler_put_drc_value
888 },
889 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
890 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
891 .info = snapper_info_capture_source,
892 .get = snapper_get_capture_source,
893 .put = snapper_put_capture_source
894 },
895};
896
897static const struct snd_kcontrol_new tumbler_hp_sw = {
898 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
899 .name = "Headphone Playback Switch",
900 .info = snd_pmac_boolean_mono_info,
901 .get = tumbler_get_mute_switch,
902 .put = tumbler_put_mute_switch,
903 .private_value = TUMBLER_MUTE_HP,
904};
905static const struct snd_kcontrol_new tumbler_speaker_sw = {
906 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
907 .name = "Speaker Playback Switch",
908 .info = snd_pmac_boolean_mono_info,
909 .get = tumbler_get_mute_switch,
910 .put = tumbler_put_mute_switch,
911 .private_value = TUMBLER_MUTE_AMP,
912};
913static const struct snd_kcontrol_new tumbler_lineout_sw = {
914 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
915 .name = "Line Out Playback Switch",
916 .info = snd_pmac_boolean_mono_info,
917 .get = tumbler_get_mute_switch,
918 .put = tumbler_put_mute_switch,
919 .private_value = TUMBLER_MUTE_LINE,
920};
921static const struct snd_kcontrol_new tumbler_drc_sw = {
922 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
923 .name = "DRC Switch",
924 .info = snd_pmac_boolean_mono_info,
925 .get = tumbler_get_drc_switch,
926 .put = tumbler_put_drc_switch
927};
928
929
930#ifdef PMAC_SUPPORT_AUTOMUTE
931/*
932 * auto-mute stuffs
933 */
934static int tumbler_detect_headphone(struct snd_pmac *chip)
935{
936 struct pmac_tumbler *mix = chip->mixer_data;
937 int detect = 0;
938
939 if (mix->hp_detect.addr)
940 detect |= read_audio_gpio(&mix->hp_detect);
941 return detect;
942}
943
944static int tumbler_detect_lineout(struct snd_pmac *chip)
945{
946 struct pmac_tumbler *mix = chip->mixer_data;
947 int detect = 0;
948
949 if (mix->line_detect.addr)
950 detect |= read_audio_gpio(&mix->line_detect);
951 return detect;
952}
953
954static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
955 struct snd_kcontrol *sw)
956{
957 if (check_audio_gpio(gp) != val) {
958 write_audio_gpio(gp, val);
959 if (do_notify)
960 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
961 &sw->id);
962 }
963}
964
965static struct work_struct device_change;
966static struct snd_pmac *device_change_chip;
967
968static void device_change_handler(struct work_struct *work)
969{
970 struct snd_pmac *chip = device_change_chip;
971 struct pmac_tumbler *mix;
972 int headphone, lineout;
973
974 if (!chip)
975 return;
976
977 mix = chip->mixer_data;
978 if (snd_BUG_ON(!mix))
979 return;
980
981 headphone = tumbler_detect_headphone(chip);
982 lineout = tumbler_detect_lineout(chip);
983
984 DBG("headphone: %d, lineout: %d\n", headphone, lineout);
985
986 if (headphone || lineout) {
987 /* unmute headphone/lineout & mute speaker */
988 if (headphone)
989 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
990 chip->master_sw_ctl);
991 if (lineout && mix->line_mute.addr != 0)
992 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
993 chip->lineout_sw_ctl);
994 if (mix->anded_reset)
995 msleep(10);
996 check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify,
997 chip->speaker_sw_ctl);
998 } else {
999 /* unmute speaker, mute others */
1000 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
1001 chip->speaker_sw_ctl);
1002 if (mix->anded_reset)
1003 msleep(10);
1004 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
1005 chip->master_sw_ctl);
1006 if (mix->line_mute.addr != 0)
1007 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
1008 chip->lineout_sw_ctl);
1009 }
1010 if (mix->auto_mute_notify)
1011 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1012 &chip->hp_detect_ctl->id);
1013
1014#ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1015 mix->drc_enable = ! (headphone || lineout);
1016 if (mix->auto_mute_notify)
1017 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1018 &chip->drc_sw_ctl->id);
1019 if (chip->model == PMAC_TUMBLER)
1020 tumbler_set_drc(mix);
1021 else
1022 snapper_set_drc(mix);
1023#endif
1024
1025 /* reset the master volume so the correct amplification is applied */
1026 tumbler_set_master_volume(mix);
1027}
1028
1029static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1030{
1031 if (chip->auto_mute) {
1032 struct pmac_tumbler *mix;
1033 mix = chip->mixer_data;
1034 if (snd_BUG_ON(!mix))
1035 return;
1036 mix->auto_mute_notify = do_notify;
1037 schedule_work(&device_change);
1038 }
1039}
1040#endif /* PMAC_SUPPORT_AUTOMUTE */
1041
1042
1043/* interrupt - headphone plug changed */
1044static irqreturn_t headphone_intr(int irq, void *devid)
1045{
1046 struct snd_pmac *chip = devid;
1047 if (chip->update_automute && chip->initialized) {
1048 chip->update_automute(chip, 1);
1049 return IRQ_HANDLED;
1050 }
1051 return IRQ_NONE;
1052}
1053
1054/* look for audio-gpio device */
1055static struct device_node *find_audio_device(const char *name)
1056{
1057 struct device_node *gpiop;
1058 struct device_node *np;
1059
1060 gpiop = of_find_node_by_name(NULL, "gpio");
1061 if (! gpiop)
1062 return NULL;
1063
1064 for_each_child_of_node(gpiop, np) {
1065 const char *property = of_get_property(np, "audio-gpio", NULL);
1066 if (property && strcmp(property, name) == 0)
1067 break;
1068 }
1069 of_node_put(gpiop);
1070 return np;
1071}
1072
1073/* look for audio-gpio device */
1074static struct device_node *find_compatible_audio_device(const char *name)
1075{
1076 struct device_node *gpiop;
1077 struct device_node *np;
1078
1079 gpiop = of_find_node_by_name(NULL, "gpio");
1080 if (!gpiop)
1081 return NULL;
1082
1083 for_each_child_of_node(gpiop, np) {
1084 if (of_device_is_compatible(np, name))
1085 break;
1086 }
1087 of_node_put(gpiop);
1088 return np;
1089}
1090
1091/* find an audio device and get its address */
1092static long tumbler_find_device(const char *device, const char *platform,
1093 struct pmac_gpio *gp, int is_compatible)
1094{
1095 struct device_node *node;
1096 const u32 *base;
1097 u32 addr;
1098 long ret;
1099
1100 if (is_compatible)
1101 node = find_compatible_audio_device(device);
1102 else
1103 node = find_audio_device(device);
1104 if (! node) {
1105 DBG("(W) cannot find audio device %s !\n", device);
1106 return -ENODEV;
1107 }
1108
1109 base = of_get_property(node, "AAPL,address", NULL);
1110 if (! base) {
1111 base = of_get_property(node, "reg", NULL);
1112 if (!base) {
1113 DBG("(E) cannot find address for device %s !\n", device);
1114 of_node_put(node);
1115 return -ENODEV;
1116 }
1117 addr = *base;
1118 if (addr < 0x50)
1119 addr += 0x50;
1120 } else
1121 addr = *base;
1122
1123 gp->addr = addr & 0x0000ffff;
1124 /* Try to find the active state, default to 0 ! */
1125 base = of_get_property(node, "audio-gpio-active-state", NULL);
1126 if (base) {
1127 gp->active_state = *base;
1128 gp->active_val = (*base) ? 0x5 : 0x4;
1129 gp->inactive_val = (*base) ? 0x4 : 0x5;
1130 } else {
1131 const u32 *prop = NULL;
1132 gp->active_state = IS_G4DA
1133 && !strncmp(device, "keywest-gpio1", 13);
1134 gp->active_val = 0x4;
1135 gp->inactive_val = 0x5;
1136 /* Here are some crude hacks to extract the GPIO polarity and
1137 * open collector informations out of the do-platform script
1138 * as we don't yet have an interpreter for these things
1139 */
1140 if (platform)
1141 prop = of_get_property(node, platform, NULL);
1142 if (prop) {
1143 if (prop[3] == 0x9 && prop[4] == 0x9) {
1144 gp->active_val = 0xd;
1145 gp->inactive_val = 0xc;
1146 }
1147 if (prop[3] == 0x1 && prop[4] == 0x1) {
1148 gp->active_val = 0x5;
1149 gp->inactive_val = 0x4;
1150 }
1151 }
1152 }
1153
1154 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
1155 device, gp->addr, gp->active_state);
1156
1157 ret = irq_of_parse_and_map(node, 0);
1158 of_node_put(node);
1159 return ret;
1160}
1161
1162/* reset audio */
1163static void tumbler_reset_audio(struct snd_pmac *chip)
1164{
1165 struct pmac_tumbler *mix = chip->mixer_data;
1166
1167 if (mix->anded_reset) {
1168 DBG("(I) codec anded reset !\n");
1169 write_audio_gpio(&mix->hp_mute, 0);
1170 write_audio_gpio(&mix->amp_mute, 0);
1171 msleep(200);
1172 write_audio_gpio(&mix->hp_mute, 1);
1173 write_audio_gpio(&mix->amp_mute, 1);
1174 msleep(100);
1175 write_audio_gpio(&mix->hp_mute, 0);
1176 write_audio_gpio(&mix->amp_mute, 0);
1177 msleep(100);
1178 } else {
1179 DBG("(I) codec normal reset !\n");
1180
1181 write_audio_gpio(&mix->audio_reset, 0);
1182 msleep(200);
1183 write_audio_gpio(&mix->audio_reset, 1);
1184 msleep(100);
1185 write_audio_gpio(&mix->audio_reset, 0);
1186 msleep(100);
1187 }
1188}
1189
1190#ifdef CONFIG_PM
1191/* suspend mixer */
1192static void tumbler_suspend(struct snd_pmac *chip)
1193{
1194 struct pmac_tumbler *mix = chip->mixer_data;
1195
1196 if (mix->headphone_irq >= 0)
1197 disable_irq(mix->headphone_irq);
1198 if (mix->lineout_irq >= 0)
1199 disable_irq(mix->lineout_irq);
1200 mix->save_master_switch[0] = mix->master_switch[0];
1201 mix->save_master_switch[1] = mix->master_switch[1];
1202 mix->save_master_vol[0] = mix->master_vol[0];
1203 mix->save_master_vol[1] = mix->master_vol[1];
1204 mix->master_switch[0] = mix->master_switch[1] = 0;
1205 tumbler_set_master_volume(mix);
1206 if (!mix->anded_reset) {
1207 write_audio_gpio(&mix->amp_mute, 1);
1208 write_audio_gpio(&mix->hp_mute, 1);
1209 }
1210 if (chip->model == PMAC_SNAPPER) {
1211 mix->acs |= 1;
1212 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1213 }
1214 if (mix->anded_reset) {
1215 write_audio_gpio(&mix->amp_mute, 1);
1216 write_audio_gpio(&mix->hp_mute, 1);
1217 } else
1218 write_audio_gpio(&mix->audio_reset, 1);
1219}
1220
1221/* resume mixer */
1222static void tumbler_resume(struct snd_pmac *chip)
1223{
1224 struct pmac_tumbler *mix = chip->mixer_data;
1225
1226 mix->acs &= ~1;
1227 mix->master_switch[0] = mix->save_master_switch[0];
1228 mix->master_switch[1] = mix->save_master_switch[1];
1229 mix->master_vol[0] = mix->save_master_vol[0];
1230 mix->master_vol[1] = mix->save_master_vol[1];
1231 tumbler_reset_audio(chip);
1232 if (mix->i2c.client && mix->i2c.init_client) {
1233 if (mix->i2c.init_client(&mix->i2c) < 0)
1234 dev_err(chip->card->dev, "tumbler_init_client error\n");
1235 } else
1236 dev_err(chip->card->dev, "tumbler: i2c is not initialized\n");
1237 if (chip->model == PMAC_TUMBLER) {
1238 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1239 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1240 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1241 tumbler_set_drc(mix);
1242 } else {
1243 snapper_set_mix_vol(mix, VOL_IDX_PCM);
1244 snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1245 snapper_set_mix_vol(mix, VOL_IDX_ADC);
1246 tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1247 tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1248 snapper_set_drc(mix);
1249 snapper_set_capture_source(mix);
1250 }
1251 tumbler_set_master_volume(mix);
1252 if (chip->update_automute)
1253 chip->update_automute(chip, 0);
1254 if (mix->headphone_irq >= 0) {
1255 unsigned char val;
1256
1257 enable_irq(mix->headphone_irq);
1258 /* activate headphone status interrupts */
1259 val = do_gpio_read(&mix->hp_detect);
1260 do_gpio_write(&mix->hp_detect, val | 0x80);
1261 }
1262 if (mix->lineout_irq >= 0)
1263 enable_irq(mix->lineout_irq);
1264}
1265#endif
1266
1267/* initialize tumbler */
1268static int tumbler_init(struct snd_pmac *chip)
1269{
1270 int irq;
1271 struct pmac_tumbler *mix = chip->mixer_data;
1272
1273 if (tumbler_find_device("audio-hw-reset",
1274 "platform-do-hw-reset",
1275 &mix->audio_reset, 0) < 0)
1276 tumbler_find_device("hw-reset",
1277 "platform-do-hw-reset",
1278 &mix->audio_reset, 1);
1279 if (tumbler_find_device("amp-mute",
1280 "platform-do-amp-mute",
1281 &mix->amp_mute, 0) < 0)
1282 tumbler_find_device("amp-mute",
1283 "platform-do-amp-mute",
1284 &mix->amp_mute, 1);
1285 if (tumbler_find_device("headphone-mute",
1286 "platform-do-headphone-mute",
1287 &mix->hp_mute, 0) < 0)
1288 tumbler_find_device("headphone-mute",
1289 "platform-do-headphone-mute",
1290 &mix->hp_mute, 1);
1291 if (tumbler_find_device("line-output-mute",
1292 "platform-do-lineout-mute",
1293 &mix->line_mute, 0) < 0)
1294 tumbler_find_device("line-output-mute",
1295 "platform-do-lineout-mute",
1296 &mix->line_mute, 1);
1297 irq = tumbler_find_device("headphone-detect",
1298 NULL, &mix->hp_detect, 0);
1299 if (irq <= 0)
1300 irq = tumbler_find_device("headphone-detect",
1301 NULL, &mix->hp_detect, 1);
1302 if (irq <= 0)
1303 irq = tumbler_find_device("keywest-gpio15",
1304 NULL, &mix->hp_detect, 1);
1305 mix->headphone_irq = irq;
1306 irq = tumbler_find_device("line-output-detect",
1307 NULL, &mix->line_detect, 0);
1308 if (irq <= 0)
1309 irq = tumbler_find_device("line-output-detect",
1310 NULL, &mix->line_detect, 1);
1311 if (IS_G4DA && irq <= 0)
1312 irq = tumbler_find_device("keywest-gpio16",
1313 NULL, &mix->line_detect, 1);
1314 mix->lineout_irq = irq;
1315
1316 tumbler_reset_audio(chip);
1317
1318 return 0;
1319}
1320
1321static void tumbler_cleanup(struct snd_pmac *chip)
1322{
1323 struct pmac_tumbler *mix = chip->mixer_data;
1324 if (! mix)
1325 return;
1326
1327 if (mix->headphone_irq >= 0)
1328 free_irq(mix->headphone_irq, chip);
1329 if (mix->lineout_irq >= 0)
1330 free_irq(mix->lineout_irq, chip);
1331 tumbler_gpio_free(&mix->audio_reset);
1332 tumbler_gpio_free(&mix->amp_mute);
1333 tumbler_gpio_free(&mix->hp_mute);
1334 tumbler_gpio_free(&mix->hp_detect);
1335 snd_pmac_keywest_cleanup(&mix->i2c);
1336 kfree(mix);
1337 chip->mixer_data = NULL;
1338}
1339
1340/* exported */
1341int snd_pmac_tumbler_init(struct snd_pmac *chip)
1342{
1343 int i, err;
1344 struct pmac_tumbler *mix;
1345 const u32 *paddr;
1346 struct device_node *tas_node, *np;
1347 char *chipname;
1348
1349 request_module("i2c-powermac");
1350
1351 mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1352 if (! mix)
1353 return -ENOMEM;
1354 mix->headphone_irq = -1;
1355
1356 chip->mixer_data = mix;
1357 chip->mixer_free = tumbler_cleanup;
1358 mix->anded_reset = 0;
1359 mix->reset_on_sleep = 1;
1360
1361 for_each_child_of_node(chip->node, np) {
1362 if (of_node_name_eq(np, "sound")) {
1363 if (of_property_read_bool(np, "has-anded-reset"))
1364 mix->anded_reset = 1;
1365 if (of_property_present(np, "layout-id"))
1366 mix->reset_on_sleep = 0;
1367 of_node_put(np);
1368 break;
1369 }
1370 }
1371 err = tumbler_init(chip);
1372 if (err < 0)
1373 return err;
1374
1375 /* set up TAS */
1376 tas_node = of_find_node_by_name(NULL, "deq");
1377 if (tas_node == NULL)
1378 tas_node = of_find_node_by_name(NULL, "codec");
1379 if (tas_node == NULL)
1380 return -ENODEV;
1381
1382 paddr = of_get_property(tas_node, "i2c-address", NULL);
1383 if (paddr == NULL)
1384 paddr = of_get_property(tas_node, "reg", NULL);
1385 if (paddr)
1386 mix->i2c.addr = (*paddr) >> 1;
1387 else
1388 mix->i2c.addr = TAS_I2C_ADDR;
1389 of_node_put(tas_node);
1390
1391 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1392
1393 if (chip->model == PMAC_TUMBLER) {
1394 mix->i2c.init_client = tumbler_init_client;
1395 mix->i2c.name = "TAS3001c";
1396 chipname = "Tumbler";
1397 } else {
1398 mix->i2c.init_client = snapper_init_client;
1399 mix->i2c.name = "TAS3004";
1400 chipname = "Snapper";
1401 }
1402
1403 err = snd_pmac_keywest_init(&mix->i2c);
1404 if (err < 0)
1405 return err;
1406
1407 /*
1408 * build mixers
1409 */
1410 sprintf(chip->card->mixername, "PowerMac %s", chipname);
1411
1412 if (chip->model == PMAC_TUMBLER) {
1413 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1414 err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip));
1415 if (err < 0)
1416 return err;
1417 }
1418 } else {
1419 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1420 err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip));
1421 if (err < 0)
1422 return err;
1423 }
1424 }
1425 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1426 err = snd_ctl_add(chip->card, chip->master_sw_ctl);
1427 if (err < 0)
1428 return err;
1429 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1430 err = snd_ctl_add(chip->card, chip->speaker_sw_ctl);
1431 if (err < 0)
1432 return err;
1433 if (mix->line_mute.addr != 0) {
1434 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1435 err = snd_ctl_add(chip->card, chip->lineout_sw_ctl);
1436 if (err < 0)
1437 return err;
1438 }
1439 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1440 err = snd_ctl_add(chip->card, chip->drc_sw_ctl);
1441 if (err < 0)
1442 return err;
1443
1444 /* set initial DRC range to 60% */
1445 if (chip->model == PMAC_TUMBLER)
1446 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1447 else
1448 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1449 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1450 if (chip->model == PMAC_TUMBLER)
1451 tumbler_set_drc(mix);
1452 else
1453 snapper_set_drc(mix);
1454
1455#ifdef CONFIG_PM
1456 chip->suspend = tumbler_suspend;
1457 chip->resume = tumbler_resume;
1458#endif
1459
1460 INIT_WORK(&device_change, device_change_handler);
1461 device_change_chip = chip;
1462
1463#ifdef PMAC_SUPPORT_AUTOMUTE
1464 if (mix->headphone_irq >= 0 || mix->lineout_irq >= 0) {
1465 err = snd_pmac_add_automute(chip);
1466 if (err < 0)
1467 return err;
1468 }
1469 chip->detect_headphone = tumbler_detect_headphone;
1470 chip->update_automute = tumbler_update_automute;
1471 tumbler_update_automute(chip, 0); /* update the status only */
1472
1473 /* activate headphone status interrupts */
1474 if (mix->headphone_irq >= 0) {
1475 unsigned char val;
1476 err = request_irq(mix->headphone_irq, headphone_intr, 0,
1477 "Sound Headphone Detection", chip);
1478 if (err < 0)
1479 return 0;
1480 /* activate headphone status interrupts */
1481 val = do_gpio_read(&mix->hp_detect);
1482 do_gpio_write(&mix->hp_detect, val | 0x80);
1483 }
1484 if (mix->lineout_irq >= 0) {
1485 unsigned char val;
1486 err = request_irq(mix->lineout_irq, headphone_intr, 0,
1487 "Sound Lineout Detection", chip);
1488 if (err < 0)
1489 return 0;
1490 /* activate headphone status interrupts */
1491 val = do_gpio_read(&mix->line_detect);
1492 do_gpio_write(&mix->line_detect, val | 0x80);
1493 }
1494#endif
1495
1496 return 0;
1497}
1/*
2 * PMac Tumbler/Snapper lowlevel functions
3 *
4 * Copyright (c) by Takashi Iwai <tiwai@suse.de>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 * Rene Rebe <rene.rebe@gmx.net>:
21 * * update from shadow registers on wakeup and headphone plug
22 * * automatically toggle DRC on headphone plug
23 *
24 */
25
26
27#include <linux/init.h>
28#include <linux/delay.h>
29#include <linux/i2c.h>
30#include <linux/kmod.h>
31#include <linux/slab.h>
32#include <linux/interrupt.h>
33#include <linux/string.h>
34#include <linux/of_irq.h>
35#include <linux/io.h>
36#include <sound/core.h>
37#include <asm/irq.h>
38#include <asm/machdep.h>
39#include <asm/pmac_feature.h>
40#include "pmac.h"
41#include "tumbler_volume.h"
42
43#undef DEBUG
44
45#ifdef DEBUG
46#define DBG(fmt...) printk(KERN_DEBUG fmt)
47#else
48#define DBG(fmt...)
49#endif
50
51#define IS_G4DA (of_machine_is_compatible("PowerMac3,4"))
52
53/* i2c address for tumbler */
54#define TAS_I2C_ADDR 0x34
55
56/* registers */
57#define TAS_REG_MCS 0x01 /* main control */
58#define TAS_REG_DRC 0x02
59#define TAS_REG_VOL 0x04
60#define TAS_REG_TREBLE 0x05
61#define TAS_REG_BASS 0x06
62#define TAS_REG_INPUT1 0x07
63#define TAS_REG_INPUT2 0x08
64
65/* tas3001c */
66#define TAS_REG_PCM TAS_REG_INPUT1
67
68/* tas3004 */
69#define TAS_REG_LMIX TAS_REG_INPUT1
70#define TAS_REG_RMIX TAS_REG_INPUT2
71#define TAS_REG_MCS2 0x43 /* main control 2 */
72#define TAS_REG_ACS 0x40 /* analog control */
73
74/* mono volumes for tas3001c/tas3004 */
75enum {
76 VOL_IDX_PCM_MONO, /* tas3001c only */
77 VOL_IDX_BASS, VOL_IDX_TREBLE,
78 VOL_IDX_LAST_MONO
79};
80
81/* stereo volumes for tas3004 */
82enum {
83 VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC,
84 VOL_IDX_LAST_MIX
85};
86
87struct pmac_gpio {
88 unsigned int addr;
89 u8 active_val;
90 u8 inactive_val;
91 u8 active_state;
92};
93
94struct pmac_tumbler {
95 struct pmac_keywest i2c;
96 struct pmac_gpio audio_reset;
97 struct pmac_gpio amp_mute;
98 struct pmac_gpio line_mute;
99 struct pmac_gpio line_detect;
100 struct pmac_gpio hp_mute;
101 struct pmac_gpio hp_detect;
102 int headphone_irq;
103 int lineout_irq;
104 unsigned int save_master_vol[2];
105 unsigned int master_vol[2];
106 unsigned int save_master_switch[2];
107 unsigned int master_switch[2];
108 unsigned int mono_vol[VOL_IDX_LAST_MONO];
109 unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */
110 int drc_range;
111 int drc_enable;
112 int capture_source;
113 int anded_reset;
114 int auto_mute_notify;
115 int reset_on_sleep;
116 u8 acs;
117};
118
119
120/*
121 */
122
123static int send_init_client(struct pmac_keywest *i2c, unsigned int *regs)
124{
125 while (*regs > 0) {
126 int err, count = 10;
127 do {
128 err = i2c_smbus_write_byte_data(i2c->client,
129 regs[0], regs[1]);
130 if (err >= 0)
131 break;
132 DBG("(W) i2c error %d\n", err);
133 mdelay(10);
134 } while (count--);
135 if (err < 0)
136 return -ENXIO;
137 regs += 2;
138 }
139 return 0;
140}
141
142
143static int tumbler_init_client(struct pmac_keywest *i2c)
144{
145 static unsigned int regs[] = {
146 /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */
147 TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0,
148 0, /* terminator */
149 };
150 DBG("(I) tumbler init client\n");
151 return send_init_client(i2c, regs);
152}
153
154static int snapper_init_client(struct pmac_keywest *i2c)
155{
156 static unsigned int regs[] = {
157 /* normal operation, SCLK=64fps, i2s output, 16bit width */
158 TAS_REG_MCS, (1<<6)|(2<<4)|0,
159 /* normal operation, all-pass mode */
160 TAS_REG_MCS2, (1<<1),
161 /* normal output, no deemphasis, A input, power-up, line-in */
162 TAS_REG_ACS, 0,
163 0, /* terminator */
164 };
165 DBG("(I) snapper init client\n");
166 return send_init_client(i2c, regs);
167}
168
169/*
170 * gpio access
171 */
172#define do_gpio_write(gp, val) \
173 pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val)
174#define do_gpio_read(gp) \
175 pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0)
176#define tumbler_gpio_free(gp) /* NOP */
177
178static void write_audio_gpio(struct pmac_gpio *gp, int active)
179{
180 if (! gp->addr)
181 return;
182 active = active ? gp->active_val : gp->inactive_val;
183 do_gpio_write(gp, active);
184 DBG("(I) gpio %x write %d\n", gp->addr, active);
185}
186
187static int check_audio_gpio(struct pmac_gpio *gp)
188{
189 int ret;
190
191 if (! gp->addr)
192 return 0;
193
194 ret = do_gpio_read(gp);
195
196 return (ret & 0x1) == (gp->active_val & 0x1);
197}
198
199static int read_audio_gpio(struct pmac_gpio *gp)
200{
201 int ret;
202 if (! gp->addr)
203 return 0;
204 ret = do_gpio_read(gp);
205 ret = (ret & 0x02) !=0;
206 return ret == gp->active_state;
207}
208
209/*
210 * update master volume
211 */
212static int tumbler_set_master_volume(struct pmac_tumbler *mix)
213{
214 unsigned char block[6];
215 unsigned int left_vol, right_vol;
216
217 if (! mix->i2c.client)
218 return -ENODEV;
219
220 if (! mix->master_switch[0])
221 left_vol = 0;
222 else {
223 left_vol = mix->master_vol[0];
224 if (left_vol >= ARRAY_SIZE(master_volume_table))
225 left_vol = ARRAY_SIZE(master_volume_table) - 1;
226 left_vol = master_volume_table[left_vol];
227 }
228 if (! mix->master_switch[1])
229 right_vol = 0;
230 else {
231 right_vol = mix->master_vol[1];
232 if (right_vol >= ARRAY_SIZE(master_volume_table))
233 right_vol = ARRAY_SIZE(master_volume_table) - 1;
234 right_vol = master_volume_table[right_vol];
235 }
236
237 block[0] = (left_vol >> 16) & 0xff;
238 block[1] = (left_vol >> 8) & 0xff;
239 block[2] = (left_vol >> 0) & 0xff;
240
241 block[3] = (right_vol >> 16) & 0xff;
242 block[4] = (right_vol >> 8) & 0xff;
243 block[5] = (right_vol >> 0) & 0xff;
244
245 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6,
246 block) < 0) {
247 snd_printk(KERN_ERR "failed to set volume \n");
248 return -EINVAL;
249 }
250 DBG("(I) succeeded to set volume (%u, %u)\n", left_vol, right_vol);
251 return 0;
252}
253
254
255/* output volume */
256static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol,
257 struct snd_ctl_elem_info *uinfo)
258{
259 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
260 uinfo->count = 2;
261 uinfo->value.integer.min = 0;
262 uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1;
263 return 0;
264}
265
266static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol,
267 struct snd_ctl_elem_value *ucontrol)
268{
269 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
270 struct pmac_tumbler *mix = chip->mixer_data;
271
272 ucontrol->value.integer.value[0] = mix->master_vol[0];
273 ucontrol->value.integer.value[1] = mix->master_vol[1];
274 return 0;
275}
276
277static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol,
278 struct snd_ctl_elem_value *ucontrol)
279{
280 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
281 struct pmac_tumbler *mix = chip->mixer_data;
282 unsigned int vol[2];
283 int change;
284
285 vol[0] = ucontrol->value.integer.value[0];
286 vol[1] = ucontrol->value.integer.value[1];
287 if (vol[0] >= ARRAY_SIZE(master_volume_table) ||
288 vol[1] >= ARRAY_SIZE(master_volume_table))
289 return -EINVAL;
290 change = mix->master_vol[0] != vol[0] ||
291 mix->master_vol[1] != vol[1];
292 if (change) {
293 mix->master_vol[0] = vol[0];
294 mix->master_vol[1] = vol[1];
295 tumbler_set_master_volume(mix);
296 }
297 return change;
298}
299
300/* output switch */
301static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol,
302 struct snd_ctl_elem_value *ucontrol)
303{
304 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
305 struct pmac_tumbler *mix = chip->mixer_data;
306
307 ucontrol->value.integer.value[0] = mix->master_switch[0];
308 ucontrol->value.integer.value[1] = mix->master_switch[1];
309 return 0;
310}
311
312static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol,
313 struct snd_ctl_elem_value *ucontrol)
314{
315 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
316 struct pmac_tumbler *mix = chip->mixer_data;
317 int change;
318
319 change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
320 mix->master_switch[1] != ucontrol->value.integer.value[1];
321 if (change) {
322 mix->master_switch[0] = !!ucontrol->value.integer.value[0];
323 mix->master_switch[1] = !!ucontrol->value.integer.value[1];
324 tumbler_set_master_volume(mix);
325 }
326 return change;
327}
328
329
330/*
331 * TAS3001c dynamic range compression
332 */
333
334#define TAS3001_DRC_MAX 0x5f
335
336static int tumbler_set_drc(struct pmac_tumbler *mix)
337{
338 unsigned char val[2];
339
340 if (! mix->i2c.client)
341 return -ENODEV;
342
343 if (mix->drc_enable) {
344 val[0] = 0xc1; /* enable, 3:1 compression */
345 if (mix->drc_range > TAS3001_DRC_MAX)
346 val[1] = 0xf0;
347 else if (mix->drc_range < 0)
348 val[1] = 0x91;
349 else
350 val[1] = mix->drc_range + 0x91;
351 } else {
352 val[0] = 0;
353 val[1] = 0;
354 }
355
356 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
357 2, val) < 0) {
358 snd_printk(KERN_ERR "failed to set DRC\n");
359 return -EINVAL;
360 }
361 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
362 return 0;
363}
364
365/*
366 * TAS3004
367 */
368
369#define TAS3004_DRC_MAX 0xef
370
371static int snapper_set_drc(struct pmac_tumbler *mix)
372{
373 unsigned char val[6];
374
375 if (! mix->i2c.client)
376 return -ENODEV;
377
378 if (mix->drc_enable)
379 val[0] = 0x50; /* 3:1 above threshold */
380 else
381 val[0] = 0x51; /* disabled */
382 val[1] = 0x02; /* 1:1 below threshold */
383 if (mix->drc_range > 0xef)
384 val[2] = 0xef;
385 else if (mix->drc_range < 0)
386 val[2] = 0x00;
387 else
388 val[2] = mix->drc_range;
389 val[3] = 0xb0;
390 val[4] = 0x60;
391 val[5] = 0xa0;
392
393 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
394 6, val) < 0) {
395 snd_printk(KERN_ERR "failed to set DRC\n");
396 return -EINVAL;
397 }
398 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
399 return 0;
400}
401
402static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol,
403 struct snd_ctl_elem_info *uinfo)
404{
405 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
406 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
407 uinfo->count = 1;
408 uinfo->value.integer.min = 0;
409 uinfo->value.integer.max =
410 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
411 return 0;
412}
413
414static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol,
415 struct snd_ctl_elem_value *ucontrol)
416{
417 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
418 struct pmac_tumbler *mix;
419 if (! (mix = chip->mixer_data))
420 return -ENODEV;
421 ucontrol->value.integer.value[0] = mix->drc_range;
422 return 0;
423}
424
425static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol,
426 struct snd_ctl_elem_value *ucontrol)
427{
428 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
429 struct pmac_tumbler *mix;
430 unsigned int val;
431 int change;
432
433 if (! (mix = chip->mixer_data))
434 return -ENODEV;
435 val = ucontrol->value.integer.value[0];
436 if (chip->model == PMAC_TUMBLER) {
437 if (val > TAS3001_DRC_MAX)
438 return -EINVAL;
439 } else {
440 if (val > TAS3004_DRC_MAX)
441 return -EINVAL;
442 }
443 change = mix->drc_range != val;
444 if (change) {
445 mix->drc_range = val;
446 if (chip->model == PMAC_TUMBLER)
447 tumbler_set_drc(mix);
448 else
449 snapper_set_drc(mix);
450 }
451 return change;
452}
453
454static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol,
455 struct snd_ctl_elem_value *ucontrol)
456{
457 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
458 struct pmac_tumbler *mix;
459 if (! (mix = chip->mixer_data))
460 return -ENODEV;
461 ucontrol->value.integer.value[0] = mix->drc_enable;
462 return 0;
463}
464
465static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol,
466 struct snd_ctl_elem_value *ucontrol)
467{
468 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
469 struct pmac_tumbler *mix;
470 int change;
471
472 if (! (mix = chip->mixer_data))
473 return -ENODEV;
474 change = mix->drc_enable != ucontrol->value.integer.value[0];
475 if (change) {
476 mix->drc_enable = !!ucontrol->value.integer.value[0];
477 if (chip->model == PMAC_TUMBLER)
478 tumbler_set_drc(mix);
479 else
480 snapper_set_drc(mix);
481 }
482 return change;
483}
484
485
486/*
487 * mono volumes
488 */
489
490struct tumbler_mono_vol {
491 int index;
492 int reg;
493 int bytes;
494 unsigned int max;
495 unsigned int *table;
496};
497
498static int tumbler_set_mono_volume(struct pmac_tumbler *mix,
499 struct tumbler_mono_vol *info)
500{
501 unsigned char block[4];
502 unsigned int vol;
503 int i;
504
505 if (! mix->i2c.client)
506 return -ENODEV;
507
508 vol = mix->mono_vol[info->index];
509 if (vol >= info->max)
510 vol = info->max - 1;
511 vol = info->table[vol];
512 for (i = 0; i < info->bytes; i++)
513 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
514 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg,
515 info->bytes, block) < 0) {
516 snd_printk(KERN_ERR "failed to set mono volume %d\n",
517 info->index);
518 return -EINVAL;
519 }
520 return 0;
521}
522
523static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
524 struct snd_ctl_elem_info *uinfo)
525{
526 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
527
528 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
529 uinfo->count = 1;
530 uinfo->value.integer.min = 0;
531 uinfo->value.integer.max = info->max - 1;
532 return 0;
533}
534
535static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
536 struct snd_ctl_elem_value *ucontrol)
537{
538 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
539 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
540 struct pmac_tumbler *mix;
541 if (! (mix = chip->mixer_data))
542 return -ENODEV;
543 ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
544 return 0;
545}
546
547static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
548 struct snd_ctl_elem_value *ucontrol)
549{
550 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
551 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
552 struct pmac_tumbler *mix;
553 unsigned int vol;
554 int change;
555
556 if (! (mix = chip->mixer_data))
557 return -ENODEV;
558 vol = ucontrol->value.integer.value[0];
559 if (vol >= info->max)
560 return -EINVAL;
561 change = mix->mono_vol[info->index] != vol;
562 if (change) {
563 mix->mono_vol[info->index] = vol;
564 tumbler_set_mono_volume(mix, info);
565 }
566 return change;
567}
568
569/* TAS3001c mono volumes */
570static struct tumbler_mono_vol tumbler_pcm_vol_info = {
571 .index = VOL_IDX_PCM_MONO,
572 .reg = TAS_REG_PCM,
573 .bytes = 3,
574 .max = ARRAY_SIZE(mixer_volume_table),
575 .table = mixer_volume_table,
576};
577
578static struct tumbler_mono_vol tumbler_bass_vol_info = {
579 .index = VOL_IDX_BASS,
580 .reg = TAS_REG_BASS,
581 .bytes = 1,
582 .max = ARRAY_SIZE(bass_volume_table),
583 .table = bass_volume_table,
584};
585
586static struct tumbler_mono_vol tumbler_treble_vol_info = {
587 .index = VOL_IDX_TREBLE,
588 .reg = TAS_REG_TREBLE,
589 .bytes = 1,
590 .max = ARRAY_SIZE(treble_volume_table),
591 .table = treble_volume_table,
592};
593
594/* TAS3004 mono volumes */
595static struct tumbler_mono_vol snapper_bass_vol_info = {
596 .index = VOL_IDX_BASS,
597 .reg = TAS_REG_BASS,
598 .bytes = 1,
599 .max = ARRAY_SIZE(snapper_bass_volume_table),
600 .table = snapper_bass_volume_table,
601};
602
603static struct tumbler_mono_vol snapper_treble_vol_info = {
604 .index = VOL_IDX_TREBLE,
605 .reg = TAS_REG_TREBLE,
606 .bytes = 1,
607 .max = ARRAY_SIZE(snapper_treble_volume_table),
608 .table = snapper_treble_volume_table,
609};
610
611
612#define DEFINE_MONO(xname,type) { \
613 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
614 .name = xname, \
615 .info = tumbler_info_mono, \
616 .get = tumbler_get_mono, \
617 .put = tumbler_put_mono, \
618 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
619}
620
621#define DEFINE_SNAPPER_MONO(xname,type) { \
622 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
623 .name = xname, \
624 .info = tumbler_info_mono, \
625 .get = tumbler_get_mono, \
626 .put = tumbler_put_mono, \
627 .private_value = (unsigned long)(&snapper_##type##_vol_info), \
628}
629
630
631/*
632 * snapper mixer volumes
633 */
634
635static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
636{
637 int i, j, vol;
638 unsigned char block[9];
639
640 vol = mix->mix_vol[idx][ch];
641 if (vol >= ARRAY_SIZE(mixer_volume_table)) {
642 vol = ARRAY_SIZE(mixer_volume_table) - 1;
643 mix->mix_vol[idx][ch] = vol;
644 }
645
646 for (i = 0; i < 3; i++) {
647 vol = mix->mix_vol[i][ch];
648 vol = mixer_volume_table[vol];
649 for (j = 0; j < 3; j++)
650 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
651 }
652 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
653 9, block) < 0) {
654 snd_printk(KERN_ERR "failed to set mono volume %d\n", reg);
655 return -EINVAL;
656 }
657 return 0;
658}
659
660static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
661{
662 if (! mix->i2c.client)
663 return -ENODEV;
664 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
665 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
666 return -EINVAL;
667 return 0;
668}
669
670static int snapper_info_mix(struct snd_kcontrol *kcontrol,
671 struct snd_ctl_elem_info *uinfo)
672{
673 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
674 uinfo->count = 2;
675 uinfo->value.integer.min = 0;
676 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
677 return 0;
678}
679
680static int snapper_get_mix(struct snd_kcontrol *kcontrol,
681 struct snd_ctl_elem_value *ucontrol)
682{
683 int idx = (int)kcontrol->private_value;
684 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
685 struct pmac_tumbler *mix;
686 if (! (mix = chip->mixer_data))
687 return -ENODEV;
688 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
689 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
690 return 0;
691}
692
693static int snapper_put_mix(struct snd_kcontrol *kcontrol,
694 struct snd_ctl_elem_value *ucontrol)
695{
696 int idx = (int)kcontrol->private_value;
697 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
698 struct pmac_tumbler *mix;
699 unsigned int vol[2];
700 int change;
701
702 if (! (mix = chip->mixer_data))
703 return -ENODEV;
704 vol[0] = ucontrol->value.integer.value[0];
705 vol[1] = ucontrol->value.integer.value[1];
706 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
707 vol[1] >= ARRAY_SIZE(mixer_volume_table))
708 return -EINVAL;
709 change = mix->mix_vol[idx][0] != vol[0] ||
710 mix->mix_vol[idx][1] != vol[1];
711 if (change) {
712 mix->mix_vol[idx][0] = vol[0];
713 mix->mix_vol[idx][1] = vol[1];
714 snapper_set_mix_vol(mix, idx);
715 }
716 return change;
717}
718
719
720/*
721 * mute switches. FIXME: Turn that into software mute when both outputs are muted
722 * to avoid codec reset on ibook M7
723 */
724
725enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
726
727static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
728 struct snd_ctl_elem_value *ucontrol)
729{
730 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
731 struct pmac_tumbler *mix;
732 struct pmac_gpio *gp;
733 if (! (mix = chip->mixer_data))
734 return -ENODEV;
735 switch(kcontrol->private_value) {
736 case TUMBLER_MUTE_HP:
737 gp = &mix->hp_mute; break;
738 case TUMBLER_MUTE_AMP:
739 gp = &mix->amp_mute; break;
740 case TUMBLER_MUTE_LINE:
741 gp = &mix->line_mute; break;
742 default:
743 gp = NULL;
744 }
745 if (gp == NULL)
746 return -EINVAL;
747 ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
748 return 0;
749}
750
751static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
752 struct snd_ctl_elem_value *ucontrol)
753{
754 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
755 struct pmac_tumbler *mix;
756 struct pmac_gpio *gp;
757 int val;
758#ifdef PMAC_SUPPORT_AUTOMUTE
759 if (chip->update_automute && chip->auto_mute)
760 return 0; /* don't touch in the auto-mute mode */
761#endif
762 if (! (mix = chip->mixer_data))
763 return -ENODEV;
764 switch(kcontrol->private_value) {
765 case TUMBLER_MUTE_HP:
766 gp = &mix->hp_mute; break;
767 case TUMBLER_MUTE_AMP:
768 gp = &mix->amp_mute; break;
769 case TUMBLER_MUTE_LINE:
770 gp = &mix->line_mute; break;
771 default:
772 gp = NULL;
773 }
774 if (gp == NULL)
775 return -EINVAL;
776 val = ! check_audio_gpio(gp);
777 if (val != ucontrol->value.integer.value[0]) {
778 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
779 return 1;
780 }
781 return 0;
782}
783
784static int snapper_set_capture_source(struct pmac_tumbler *mix)
785{
786 if (! mix->i2c.client)
787 return -ENODEV;
788 if (mix->capture_source)
789 mix->acs |= 2;
790 else
791 mix->acs &= ~2;
792 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
793}
794
795static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
796 struct snd_ctl_elem_info *uinfo)
797{
798 static const char * const texts[2] = {
799 "Line", "Mic"
800 };
801
802 return snd_ctl_enum_info(uinfo, 1, 2, texts);
803}
804
805static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
806 struct snd_ctl_elem_value *ucontrol)
807{
808 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
809 struct pmac_tumbler *mix = chip->mixer_data;
810
811 ucontrol->value.enumerated.item[0] = mix->capture_source;
812 return 0;
813}
814
815static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
816 struct snd_ctl_elem_value *ucontrol)
817{
818 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
819 struct pmac_tumbler *mix = chip->mixer_data;
820 int change;
821
822 change = ucontrol->value.enumerated.item[0] != mix->capture_source;
823 if (change) {
824 mix->capture_source = !!ucontrol->value.enumerated.item[0];
825 snapper_set_capture_source(mix);
826 }
827 return change;
828}
829
830#define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
831 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
832 .name = xname, \
833 .info = snapper_info_mix, \
834 .get = snapper_get_mix, \
835 .put = snapper_put_mix, \
836 .index = idx,\
837 .private_value = ofs, \
838}
839
840
841/*
842 */
843static struct snd_kcontrol_new tumbler_mixers[] = {
844 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
845 .name = "Master Playback Volume",
846 .info = tumbler_info_master_volume,
847 .get = tumbler_get_master_volume,
848 .put = tumbler_put_master_volume
849 },
850 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
851 .name = "Master Playback Switch",
852 .info = snd_pmac_boolean_stereo_info,
853 .get = tumbler_get_master_switch,
854 .put = tumbler_put_master_switch
855 },
856 DEFINE_MONO("Tone Control - Bass", bass),
857 DEFINE_MONO("Tone Control - Treble", treble),
858 DEFINE_MONO("PCM Playback Volume", pcm),
859 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
860 .name = "DRC Range",
861 .info = tumbler_info_drc_value,
862 .get = tumbler_get_drc_value,
863 .put = tumbler_put_drc_value
864 },
865};
866
867static struct snd_kcontrol_new snapper_mixers[] = {
868 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
869 .name = "Master Playback Volume",
870 .info = tumbler_info_master_volume,
871 .get = tumbler_get_master_volume,
872 .put = tumbler_put_master_volume
873 },
874 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
875 .name = "Master Playback Switch",
876 .info = snd_pmac_boolean_stereo_info,
877 .get = tumbler_get_master_switch,
878 .put = tumbler_put_master_switch
879 },
880 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
881 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
882 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2),
883 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
884 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
885 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
886 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
887 .name = "DRC Range",
888 .info = tumbler_info_drc_value,
889 .get = tumbler_get_drc_value,
890 .put = tumbler_put_drc_value
891 },
892 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
893 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
894 .info = snapper_info_capture_source,
895 .get = snapper_get_capture_source,
896 .put = snapper_put_capture_source
897 },
898};
899
900static struct snd_kcontrol_new tumbler_hp_sw = {
901 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
902 .name = "Headphone Playback Switch",
903 .info = snd_pmac_boolean_mono_info,
904 .get = tumbler_get_mute_switch,
905 .put = tumbler_put_mute_switch,
906 .private_value = TUMBLER_MUTE_HP,
907};
908static struct snd_kcontrol_new tumbler_speaker_sw = {
909 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
910 .name = "Speaker Playback Switch",
911 .info = snd_pmac_boolean_mono_info,
912 .get = tumbler_get_mute_switch,
913 .put = tumbler_put_mute_switch,
914 .private_value = TUMBLER_MUTE_AMP,
915};
916static struct snd_kcontrol_new tumbler_lineout_sw = {
917 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
918 .name = "Line Out Playback Switch",
919 .info = snd_pmac_boolean_mono_info,
920 .get = tumbler_get_mute_switch,
921 .put = tumbler_put_mute_switch,
922 .private_value = TUMBLER_MUTE_LINE,
923};
924static struct snd_kcontrol_new tumbler_drc_sw = {
925 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
926 .name = "DRC Switch",
927 .info = snd_pmac_boolean_mono_info,
928 .get = tumbler_get_drc_switch,
929 .put = tumbler_put_drc_switch
930};
931
932
933#ifdef PMAC_SUPPORT_AUTOMUTE
934/*
935 * auto-mute stuffs
936 */
937static int tumbler_detect_headphone(struct snd_pmac *chip)
938{
939 struct pmac_tumbler *mix = chip->mixer_data;
940 int detect = 0;
941
942 if (mix->hp_detect.addr)
943 detect |= read_audio_gpio(&mix->hp_detect);
944 return detect;
945}
946
947static int tumbler_detect_lineout(struct snd_pmac *chip)
948{
949 struct pmac_tumbler *mix = chip->mixer_data;
950 int detect = 0;
951
952 if (mix->line_detect.addr)
953 detect |= read_audio_gpio(&mix->line_detect);
954 return detect;
955}
956
957static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
958 struct snd_kcontrol *sw)
959{
960 if (check_audio_gpio(gp) != val) {
961 write_audio_gpio(gp, val);
962 if (do_notify)
963 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
964 &sw->id);
965 }
966}
967
968static struct work_struct device_change;
969static struct snd_pmac *device_change_chip;
970
971static void device_change_handler(struct work_struct *work)
972{
973 struct snd_pmac *chip = device_change_chip;
974 struct pmac_tumbler *mix;
975 int headphone, lineout;
976
977 if (!chip)
978 return;
979
980 mix = chip->mixer_data;
981 if (snd_BUG_ON(!mix))
982 return;
983
984 headphone = tumbler_detect_headphone(chip);
985 lineout = tumbler_detect_lineout(chip);
986
987 DBG("headphone: %d, lineout: %d\n", headphone, lineout);
988
989 if (headphone || lineout) {
990 /* unmute headphone/lineout & mute speaker */
991 if (headphone)
992 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
993 chip->master_sw_ctl);
994 if (lineout && mix->line_mute.addr != 0)
995 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
996 chip->lineout_sw_ctl);
997 if (mix->anded_reset)
998 msleep(10);
999 check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify,
1000 chip->speaker_sw_ctl);
1001 } else {
1002 /* unmute speaker, mute others */
1003 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
1004 chip->speaker_sw_ctl);
1005 if (mix->anded_reset)
1006 msleep(10);
1007 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
1008 chip->master_sw_ctl);
1009 if (mix->line_mute.addr != 0)
1010 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
1011 chip->lineout_sw_ctl);
1012 }
1013 if (mix->auto_mute_notify)
1014 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1015 &chip->hp_detect_ctl->id);
1016
1017#ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1018 mix->drc_enable = ! (headphone || lineout);
1019 if (mix->auto_mute_notify)
1020 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1021 &chip->drc_sw_ctl->id);
1022 if (chip->model == PMAC_TUMBLER)
1023 tumbler_set_drc(mix);
1024 else
1025 snapper_set_drc(mix);
1026#endif
1027
1028 /* reset the master volume so the correct amplification is applied */
1029 tumbler_set_master_volume(mix);
1030}
1031
1032static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1033{
1034 if (chip->auto_mute) {
1035 struct pmac_tumbler *mix;
1036 mix = chip->mixer_data;
1037 if (snd_BUG_ON(!mix))
1038 return;
1039 mix->auto_mute_notify = do_notify;
1040 schedule_work(&device_change);
1041 }
1042}
1043#endif /* PMAC_SUPPORT_AUTOMUTE */
1044
1045
1046/* interrupt - headphone plug changed */
1047static irqreturn_t headphone_intr(int irq, void *devid)
1048{
1049 struct snd_pmac *chip = devid;
1050 if (chip->update_automute && chip->initialized) {
1051 chip->update_automute(chip, 1);
1052 return IRQ_HANDLED;
1053 }
1054 return IRQ_NONE;
1055}
1056
1057/* look for audio-gpio device */
1058static struct device_node *find_audio_device(const char *name)
1059{
1060 struct device_node *gpiop;
1061 struct device_node *np;
1062
1063 gpiop = of_find_node_by_name(NULL, "gpio");
1064 if (! gpiop)
1065 return NULL;
1066
1067 for (np = of_get_next_child(gpiop, NULL); np;
1068 np = of_get_next_child(gpiop, np)) {
1069 const char *property = of_get_property(np, "audio-gpio", NULL);
1070 if (property && strcmp(property, name) == 0)
1071 break;
1072 }
1073 of_node_put(gpiop);
1074 return np;
1075}
1076
1077/* look for audio-gpio device */
1078static struct device_node *find_compatible_audio_device(const char *name)
1079{
1080 struct device_node *gpiop;
1081 struct device_node *np;
1082
1083 gpiop = of_find_node_by_name(NULL, "gpio");
1084 if (!gpiop)
1085 return NULL;
1086
1087 for (np = of_get_next_child(gpiop, NULL); np;
1088 np = of_get_next_child(gpiop, np)) {
1089 if (of_device_is_compatible(np, name))
1090 break;
1091 }
1092 of_node_put(gpiop);
1093 return np;
1094}
1095
1096/* find an audio device and get its address */
1097static long tumbler_find_device(const char *device, const char *platform,
1098 struct pmac_gpio *gp, int is_compatible)
1099{
1100 struct device_node *node;
1101 const u32 *base;
1102 u32 addr;
1103 long ret;
1104
1105 if (is_compatible)
1106 node = find_compatible_audio_device(device);
1107 else
1108 node = find_audio_device(device);
1109 if (! node) {
1110 DBG("(W) cannot find audio device %s !\n", device);
1111 snd_printdd("cannot find device %s\n", device);
1112 return -ENODEV;
1113 }
1114
1115 base = of_get_property(node, "AAPL,address", NULL);
1116 if (! base) {
1117 base = of_get_property(node, "reg", NULL);
1118 if (!base) {
1119 DBG("(E) cannot find address for device %s !\n", device);
1120 snd_printd("cannot find address for device %s\n", device);
1121 of_node_put(node);
1122 return -ENODEV;
1123 }
1124 addr = *base;
1125 if (addr < 0x50)
1126 addr += 0x50;
1127 } else
1128 addr = *base;
1129
1130 gp->addr = addr & 0x0000ffff;
1131 /* Try to find the active state, default to 0 ! */
1132 base = of_get_property(node, "audio-gpio-active-state", NULL);
1133 if (base) {
1134 gp->active_state = *base;
1135 gp->active_val = (*base) ? 0x5 : 0x4;
1136 gp->inactive_val = (*base) ? 0x4 : 0x5;
1137 } else {
1138 const u32 *prop = NULL;
1139 gp->active_state = IS_G4DA
1140 && !strncmp(device, "keywest-gpio1", 13);
1141 gp->active_val = 0x4;
1142 gp->inactive_val = 0x5;
1143 /* Here are some crude hacks to extract the GPIO polarity and
1144 * open collector informations out of the do-platform script
1145 * as we don't yet have an interpreter for these things
1146 */
1147 if (platform)
1148 prop = of_get_property(node, platform, NULL);
1149 if (prop) {
1150 if (prop[3] == 0x9 && prop[4] == 0x9) {
1151 gp->active_val = 0xd;
1152 gp->inactive_val = 0xc;
1153 }
1154 if (prop[3] == 0x1 && prop[4] == 0x1) {
1155 gp->active_val = 0x5;
1156 gp->inactive_val = 0x4;
1157 }
1158 }
1159 }
1160
1161 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
1162 device, gp->addr, gp->active_state);
1163
1164 ret = irq_of_parse_and_map(node, 0);
1165 of_node_put(node);
1166 return ret;
1167}
1168
1169/* reset audio */
1170static void tumbler_reset_audio(struct snd_pmac *chip)
1171{
1172 struct pmac_tumbler *mix = chip->mixer_data;
1173
1174 if (mix->anded_reset) {
1175 DBG("(I) codec anded reset !\n");
1176 write_audio_gpio(&mix->hp_mute, 0);
1177 write_audio_gpio(&mix->amp_mute, 0);
1178 msleep(200);
1179 write_audio_gpio(&mix->hp_mute, 1);
1180 write_audio_gpio(&mix->amp_mute, 1);
1181 msleep(100);
1182 write_audio_gpio(&mix->hp_mute, 0);
1183 write_audio_gpio(&mix->amp_mute, 0);
1184 msleep(100);
1185 } else {
1186 DBG("(I) codec normal reset !\n");
1187
1188 write_audio_gpio(&mix->audio_reset, 0);
1189 msleep(200);
1190 write_audio_gpio(&mix->audio_reset, 1);
1191 msleep(100);
1192 write_audio_gpio(&mix->audio_reset, 0);
1193 msleep(100);
1194 }
1195}
1196
1197#ifdef CONFIG_PM
1198/* suspend mixer */
1199static void tumbler_suspend(struct snd_pmac *chip)
1200{
1201 struct pmac_tumbler *mix = chip->mixer_data;
1202
1203 if (mix->headphone_irq >= 0)
1204 disable_irq(mix->headphone_irq);
1205 if (mix->lineout_irq >= 0)
1206 disable_irq(mix->lineout_irq);
1207 mix->save_master_switch[0] = mix->master_switch[0];
1208 mix->save_master_switch[1] = mix->master_switch[1];
1209 mix->save_master_vol[0] = mix->master_vol[0];
1210 mix->save_master_vol[1] = mix->master_vol[1];
1211 mix->master_switch[0] = mix->master_switch[1] = 0;
1212 tumbler_set_master_volume(mix);
1213 if (!mix->anded_reset) {
1214 write_audio_gpio(&mix->amp_mute, 1);
1215 write_audio_gpio(&mix->hp_mute, 1);
1216 }
1217 if (chip->model == PMAC_SNAPPER) {
1218 mix->acs |= 1;
1219 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1220 }
1221 if (mix->anded_reset) {
1222 write_audio_gpio(&mix->amp_mute, 1);
1223 write_audio_gpio(&mix->hp_mute, 1);
1224 } else
1225 write_audio_gpio(&mix->audio_reset, 1);
1226}
1227
1228/* resume mixer */
1229static void tumbler_resume(struct snd_pmac *chip)
1230{
1231 struct pmac_tumbler *mix = chip->mixer_data;
1232
1233 mix->acs &= ~1;
1234 mix->master_switch[0] = mix->save_master_switch[0];
1235 mix->master_switch[1] = mix->save_master_switch[1];
1236 mix->master_vol[0] = mix->save_master_vol[0];
1237 mix->master_vol[1] = mix->save_master_vol[1];
1238 tumbler_reset_audio(chip);
1239 if (mix->i2c.client && mix->i2c.init_client) {
1240 if (mix->i2c.init_client(&mix->i2c) < 0)
1241 printk(KERN_ERR "tumbler_init_client error\n");
1242 } else
1243 printk(KERN_ERR "tumbler: i2c is not initialized\n");
1244 if (chip->model == PMAC_TUMBLER) {
1245 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1246 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1247 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1248 tumbler_set_drc(mix);
1249 } else {
1250 snapper_set_mix_vol(mix, VOL_IDX_PCM);
1251 snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1252 snapper_set_mix_vol(mix, VOL_IDX_ADC);
1253 tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1254 tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1255 snapper_set_drc(mix);
1256 snapper_set_capture_source(mix);
1257 }
1258 tumbler_set_master_volume(mix);
1259 if (chip->update_automute)
1260 chip->update_automute(chip, 0);
1261 if (mix->headphone_irq >= 0) {
1262 unsigned char val;
1263
1264 enable_irq(mix->headphone_irq);
1265 /* activate headphone status interrupts */
1266 val = do_gpio_read(&mix->hp_detect);
1267 do_gpio_write(&mix->hp_detect, val | 0x80);
1268 }
1269 if (mix->lineout_irq >= 0)
1270 enable_irq(mix->lineout_irq);
1271}
1272#endif
1273
1274/* initialize tumbler */
1275static int tumbler_init(struct snd_pmac *chip)
1276{
1277 int irq;
1278 struct pmac_tumbler *mix = chip->mixer_data;
1279
1280 if (tumbler_find_device("audio-hw-reset",
1281 "platform-do-hw-reset",
1282 &mix->audio_reset, 0) < 0)
1283 tumbler_find_device("hw-reset",
1284 "platform-do-hw-reset",
1285 &mix->audio_reset, 1);
1286 if (tumbler_find_device("amp-mute",
1287 "platform-do-amp-mute",
1288 &mix->amp_mute, 0) < 0)
1289 tumbler_find_device("amp-mute",
1290 "platform-do-amp-mute",
1291 &mix->amp_mute, 1);
1292 if (tumbler_find_device("headphone-mute",
1293 "platform-do-headphone-mute",
1294 &mix->hp_mute, 0) < 0)
1295 tumbler_find_device("headphone-mute",
1296 "platform-do-headphone-mute",
1297 &mix->hp_mute, 1);
1298 if (tumbler_find_device("line-output-mute",
1299 "platform-do-lineout-mute",
1300 &mix->line_mute, 0) < 0)
1301 tumbler_find_device("line-output-mute",
1302 "platform-do-lineout-mute",
1303 &mix->line_mute, 1);
1304 irq = tumbler_find_device("headphone-detect",
1305 NULL, &mix->hp_detect, 0);
1306 if (irq <= NO_IRQ)
1307 irq = tumbler_find_device("headphone-detect",
1308 NULL, &mix->hp_detect, 1);
1309 if (irq <= NO_IRQ)
1310 irq = tumbler_find_device("keywest-gpio15",
1311 NULL, &mix->hp_detect, 1);
1312 mix->headphone_irq = irq;
1313 irq = tumbler_find_device("line-output-detect",
1314 NULL, &mix->line_detect, 0);
1315 if (irq <= NO_IRQ)
1316 irq = tumbler_find_device("line-output-detect",
1317 NULL, &mix->line_detect, 1);
1318 if (IS_G4DA && irq <= NO_IRQ)
1319 irq = tumbler_find_device("keywest-gpio16",
1320 NULL, &mix->line_detect, 1);
1321 mix->lineout_irq = irq;
1322
1323 tumbler_reset_audio(chip);
1324
1325 return 0;
1326}
1327
1328static void tumbler_cleanup(struct snd_pmac *chip)
1329{
1330 struct pmac_tumbler *mix = chip->mixer_data;
1331 if (! mix)
1332 return;
1333
1334 if (mix->headphone_irq >= 0)
1335 free_irq(mix->headphone_irq, chip);
1336 if (mix->lineout_irq >= 0)
1337 free_irq(mix->lineout_irq, chip);
1338 tumbler_gpio_free(&mix->audio_reset);
1339 tumbler_gpio_free(&mix->amp_mute);
1340 tumbler_gpio_free(&mix->hp_mute);
1341 tumbler_gpio_free(&mix->hp_detect);
1342 snd_pmac_keywest_cleanup(&mix->i2c);
1343 kfree(mix);
1344 chip->mixer_data = NULL;
1345}
1346
1347/* exported */
1348int snd_pmac_tumbler_init(struct snd_pmac *chip)
1349{
1350 int i, err;
1351 struct pmac_tumbler *mix;
1352 const u32 *paddr;
1353 struct device_node *tas_node, *np;
1354 char *chipname;
1355
1356 request_module("i2c-powermac");
1357
1358 mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1359 if (! mix)
1360 return -ENOMEM;
1361 mix->headphone_irq = -1;
1362
1363 chip->mixer_data = mix;
1364 chip->mixer_free = tumbler_cleanup;
1365 mix->anded_reset = 0;
1366 mix->reset_on_sleep = 1;
1367
1368 for (np = chip->node->child; np; np = np->sibling) {
1369 if (!strcmp(np->name, "sound")) {
1370 if (of_get_property(np, "has-anded-reset", NULL))
1371 mix->anded_reset = 1;
1372 if (of_get_property(np, "layout-id", NULL))
1373 mix->reset_on_sleep = 0;
1374 break;
1375 }
1376 }
1377 if ((err = tumbler_init(chip)) < 0)
1378 return err;
1379
1380 /* set up TAS */
1381 tas_node = of_find_node_by_name(NULL, "deq");
1382 if (tas_node == NULL)
1383 tas_node = of_find_node_by_name(NULL, "codec");
1384 if (tas_node == NULL)
1385 return -ENODEV;
1386
1387 paddr = of_get_property(tas_node, "i2c-address", NULL);
1388 if (paddr == NULL)
1389 paddr = of_get_property(tas_node, "reg", NULL);
1390 if (paddr)
1391 mix->i2c.addr = (*paddr) >> 1;
1392 else
1393 mix->i2c.addr = TAS_I2C_ADDR;
1394 of_node_put(tas_node);
1395
1396 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1397
1398 if (chip->model == PMAC_TUMBLER) {
1399 mix->i2c.init_client = tumbler_init_client;
1400 mix->i2c.name = "TAS3001c";
1401 chipname = "Tumbler";
1402 } else {
1403 mix->i2c.init_client = snapper_init_client;
1404 mix->i2c.name = "TAS3004";
1405 chipname = "Snapper";
1406 }
1407
1408 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
1409 return err;
1410
1411 /*
1412 * build mixers
1413 */
1414 sprintf(chip->card->mixername, "PowerMac %s", chipname);
1415
1416 if (chip->model == PMAC_TUMBLER) {
1417 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1418 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
1419 return err;
1420 }
1421 } else {
1422 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1423 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
1424 return err;
1425 }
1426 }
1427 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1428 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
1429 return err;
1430 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1431 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
1432 return err;
1433 if (mix->line_mute.addr != 0) {
1434 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1435 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0)
1436 return err;
1437 }
1438 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1439 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
1440 return err;
1441
1442 /* set initial DRC range to 60% */
1443 if (chip->model == PMAC_TUMBLER)
1444 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1445 else
1446 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1447 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1448 if (chip->model == PMAC_TUMBLER)
1449 tumbler_set_drc(mix);
1450 else
1451 snapper_set_drc(mix);
1452
1453#ifdef CONFIG_PM
1454 chip->suspend = tumbler_suspend;
1455 chip->resume = tumbler_resume;
1456#endif
1457
1458 INIT_WORK(&device_change, device_change_handler);
1459 device_change_chip = chip;
1460
1461#ifdef PMAC_SUPPORT_AUTOMUTE
1462 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0)
1463 && (err = snd_pmac_add_automute(chip)) < 0)
1464 return err;
1465 chip->detect_headphone = tumbler_detect_headphone;
1466 chip->update_automute = tumbler_update_automute;
1467 tumbler_update_automute(chip, 0); /* update the status only */
1468
1469 /* activate headphone status interrupts */
1470 if (mix->headphone_irq >= 0) {
1471 unsigned char val;
1472 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0,
1473 "Sound Headphone Detection", chip)) < 0)
1474 return 0;
1475 /* activate headphone status interrupts */
1476 val = do_gpio_read(&mix->hp_detect);
1477 do_gpio_write(&mix->hp_detect, val | 0x80);
1478 }
1479 if (mix->lineout_irq >= 0) {
1480 unsigned char val;
1481 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0,
1482 "Sound Lineout Detection", chip)) < 0)
1483 return 0;
1484 /* activate headphone status interrupts */
1485 val = do_gpio_read(&mix->line_detect);
1486 do_gpio_write(&mix->line_detect, val | 0x80);
1487 }
1488#endif
1489
1490 return 0;
1491}