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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...) printk(KERN_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, 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 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 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 snd_printk(KERN_ERR "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 snd_printk(KERN_ERR "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 snd_printk(KERN_ERR "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 if (! (mix = chip->mixer_data))
406 return -ENODEV;
407 ucontrol->value.integer.value[0] = mix->drc_range;
408 return 0;
409}
410
411static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol,
412 struct snd_ctl_elem_value *ucontrol)
413{
414 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
415 struct pmac_tumbler *mix;
416 unsigned int val;
417 int change;
418
419 if (! (mix = chip->mixer_data))
420 return -ENODEV;
421 val = ucontrol->value.integer.value[0];
422 if (chip->model == PMAC_TUMBLER) {
423 if (val > TAS3001_DRC_MAX)
424 return -EINVAL;
425 } else {
426 if (val > TAS3004_DRC_MAX)
427 return -EINVAL;
428 }
429 change = mix->drc_range != val;
430 if (change) {
431 mix->drc_range = val;
432 if (chip->model == PMAC_TUMBLER)
433 tumbler_set_drc(mix);
434 else
435 snapper_set_drc(mix);
436 }
437 return change;
438}
439
440static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol,
441 struct snd_ctl_elem_value *ucontrol)
442{
443 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
444 struct pmac_tumbler *mix;
445 if (! (mix = chip->mixer_data))
446 return -ENODEV;
447 ucontrol->value.integer.value[0] = mix->drc_enable;
448 return 0;
449}
450
451static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol,
452 struct snd_ctl_elem_value *ucontrol)
453{
454 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
455 struct pmac_tumbler *mix;
456 int change;
457
458 if (! (mix = chip->mixer_data))
459 return -ENODEV;
460 change = mix->drc_enable != ucontrol->value.integer.value[0];
461 if (change) {
462 mix->drc_enable = !!ucontrol->value.integer.value[0];
463 if (chip->model == PMAC_TUMBLER)
464 tumbler_set_drc(mix);
465 else
466 snapper_set_drc(mix);
467 }
468 return change;
469}
470
471
472/*
473 * mono volumes
474 */
475
476struct tumbler_mono_vol {
477 int index;
478 int reg;
479 int bytes;
480 unsigned int max;
481 unsigned int *table;
482};
483
484static int tumbler_set_mono_volume(struct pmac_tumbler *mix,
485 struct tumbler_mono_vol *info)
486{
487 unsigned char block[4];
488 unsigned int vol;
489 int i;
490
491 if (! mix->i2c.client)
492 return -ENODEV;
493
494 vol = mix->mono_vol[info->index];
495 if (vol >= info->max)
496 vol = info->max - 1;
497 vol = info->table[vol];
498 for (i = 0; i < info->bytes; i++)
499 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
500 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg,
501 info->bytes, block) < 0) {
502 snd_printk(KERN_ERR "failed to set mono volume %d\n",
503 info->index);
504 return -EINVAL;
505 }
506 return 0;
507}
508
509static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
510 struct snd_ctl_elem_info *uinfo)
511{
512 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
513
514 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
515 uinfo->count = 1;
516 uinfo->value.integer.min = 0;
517 uinfo->value.integer.max = info->max - 1;
518 return 0;
519}
520
521static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
522 struct snd_ctl_elem_value *ucontrol)
523{
524 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
525 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
526 struct pmac_tumbler *mix;
527 if (! (mix = chip->mixer_data))
528 return -ENODEV;
529 ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
530 return 0;
531}
532
533static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
534 struct snd_ctl_elem_value *ucontrol)
535{
536 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
537 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
538 struct pmac_tumbler *mix;
539 unsigned int vol;
540 int change;
541
542 if (! (mix = chip->mixer_data))
543 return -ENODEV;
544 vol = ucontrol->value.integer.value[0];
545 if (vol >= info->max)
546 return -EINVAL;
547 change = mix->mono_vol[info->index] != vol;
548 if (change) {
549 mix->mono_vol[info->index] = vol;
550 tumbler_set_mono_volume(mix, info);
551 }
552 return change;
553}
554
555/* TAS3001c mono volumes */
556static struct tumbler_mono_vol tumbler_pcm_vol_info = {
557 .index = VOL_IDX_PCM_MONO,
558 .reg = TAS_REG_PCM,
559 .bytes = 3,
560 .max = ARRAY_SIZE(mixer_volume_table),
561 .table = mixer_volume_table,
562};
563
564static struct tumbler_mono_vol tumbler_bass_vol_info = {
565 .index = VOL_IDX_BASS,
566 .reg = TAS_REG_BASS,
567 .bytes = 1,
568 .max = ARRAY_SIZE(bass_volume_table),
569 .table = bass_volume_table,
570};
571
572static struct tumbler_mono_vol tumbler_treble_vol_info = {
573 .index = VOL_IDX_TREBLE,
574 .reg = TAS_REG_TREBLE,
575 .bytes = 1,
576 .max = ARRAY_SIZE(treble_volume_table),
577 .table = treble_volume_table,
578};
579
580/* TAS3004 mono volumes */
581static struct tumbler_mono_vol snapper_bass_vol_info = {
582 .index = VOL_IDX_BASS,
583 .reg = TAS_REG_BASS,
584 .bytes = 1,
585 .max = ARRAY_SIZE(snapper_bass_volume_table),
586 .table = snapper_bass_volume_table,
587};
588
589static struct tumbler_mono_vol snapper_treble_vol_info = {
590 .index = VOL_IDX_TREBLE,
591 .reg = TAS_REG_TREBLE,
592 .bytes = 1,
593 .max = ARRAY_SIZE(snapper_treble_volume_table),
594 .table = snapper_treble_volume_table,
595};
596
597
598#define DEFINE_MONO(xname,type) { \
599 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
600 .name = xname, \
601 .info = tumbler_info_mono, \
602 .get = tumbler_get_mono, \
603 .put = tumbler_put_mono, \
604 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
605}
606
607#define DEFINE_SNAPPER_MONO(xname,type) { \
608 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
609 .name = xname, \
610 .info = tumbler_info_mono, \
611 .get = tumbler_get_mono, \
612 .put = tumbler_put_mono, \
613 .private_value = (unsigned long)(&snapper_##type##_vol_info), \
614}
615
616
617/*
618 * snapper mixer volumes
619 */
620
621static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
622{
623 int i, j, vol;
624 unsigned char block[9];
625
626 vol = mix->mix_vol[idx][ch];
627 if (vol >= ARRAY_SIZE(mixer_volume_table)) {
628 vol = ARRAY_SIZE(mixer_volume_table) - 1;
629 mix->mix_vol[idx][ch] = vol;
630 }
631
632 for (i = 0; i < 3; i++) {
633 vol = mix->mix_vol[i][ch];
634 vol = mixer_volume_table[vol];
635 for (j = 0; j < 3; j++)
636 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
637 }
638 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
639 9, block) < 0) {
640 snd_printk(KERN_ERR "failed to set mono volume %d\n", reg);
641 return -EINVAL;
642 }
643 return 0;
644}
645
646static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
647{
648 if (! mix->i2c.client)
649 return -ENODEV;
650 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
651 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
652 return -EINVAL;
653 return 0;
654}
655
656static int snapper_info_mix(struct snd_kcontrol *kcontrol,
657 struct snd_ctl_elem_info *uinfo)
658{
659 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
660 uinfo->count = 2;
661 uinfo->value.integer.min = 0;
662 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
663 return 0;
664}
665
666static int snapper_get_mix(struct snd_kcontrol *kcontrol,
667 struct snd_ctl_elem_value *ucontrol)
668{
669 int idx = (int)kcontrol->private_value;
670 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
671 struct pmac_tumbler *mix;
672 if (! (mix = chip->mixer_data))
673 return -ENODEV;
674 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
675 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
676 return 0;
677}
678
679static int snapper_put_mix(struct snd_kcontrol *kcontrol,
680 struct snd_ctl_elem_value *ucontrol)
681{
682 int idx = (int)kcontrol->private_value;
683 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
684 struct pmac_tumbler *mix;
685 unsigned int vol[2];
686 int change;
687
688 if (! (mix = chip->mixer_data))
689 return -ENODEV;
690 vol[0] = ucontrol->value.integer.value[0];
691 vol[1] = ucontrol->value.integer.value[1];
692 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
693 vol[1] >= ARRAY_SIZE(mixer_volume_table))
694 return -EINVAL;
695 change = mix->mix_vol[idx][0] != vol[0] ||
696 mix->mix_vol[idx][1] != vol[1];
697 if (change) {
698 mix->mix_vol[idx][0] = vol[0];
699 mix->mix_vol[idx][1] = vol[1];
700 snapper_set_mix_vol(mix, idx);
701 }
702 return change;
703}
704
705
706/*
707 * mute switches. FIXME: Turn that into software mute when both outputs are muted
708 * to avoid codec reset on ibook M7
709 */
710
711enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
712
713static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
714 struct snd_ctl_elem_value *ucontrol)
715{
716 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
717 struct pmac_tumbler *mix;
718 struct pmac_gpio *gp;
719 if (! (mix = chip->mixer_data))
720 return -ENODEV;
721 switch(kcontrol->private_value) {
722 case TUMBLER_MUTE_HP:
723 gp = &mix->hp_mute; break;
724 case TUMBLER_MUTE_AMP:
725 gp = &mix->amp_mute; break;
726 case TUMBLER_MUTE_LINE:
727 gp = &mix->line_mute; break;
728 default:
729 gp = NULL;
730 }
731 if (gp == NULL)
732 return -EINVAL;
733 ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
734 return 0;
735}
736
737static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
738 struct snd_ctl_elem_value *ucontrol)
739{
740 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
741 struct pmac_tumbler *mix;
742 struct pmac_gpio *gp;
743 int val;
744#ifdef PMAC_SUPPORT_AUTOMUTE
745 if (chip->update_automute && chip->auto_mute)
746 return 0; /* don't touch in the auto-mute mode */
747#endif
748 if (! (mix = chip->mixer_data))
749 return -ENODEV;
750 switch(kcontrol->private_value) {
751 case TUMBLER_MUTE_HP:
752 gp = &mix->hp_mute; break;
753 case TUMBLER_MUTE_AMP:
754 gp = &mix->amp_mute; break;
755 case TUMBLER_MUTE_LINE:
756 gp = &mix->line_mute; break;
757 default:
758 gp = NULL;
759 }
760 if (gp == NULL)
761 return -EINVAL;
762 val = ! check_audio_gpio(gp);
763 if (val != ucontrol->value.integer.value[0]) {
764 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
765 return 1;
766 }
767 return 0;
768}
769
770static int snapper_set_capture_source(struct pmac_tumbler *mix)
771{
772 if (! mix->i2c.client)
773 return -ENODEV;
774 if (mix->capture_source)
775 mix->acs |= 2;
776 else
777 mix->acs &= ~2;
778 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
779}
780
781static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
782 struct snd_ctl_elem_info *uinfo)
783{
784 static const char * const texts[2] = {
785 "Line", "Mic"
786 };
787
788 return snd_ctl_enum_info(uinfo, 1, 2, texts);
789}
790
791static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
792 struct snd_ctl_elem_value *ucontrol)
793{
794 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
795 struct pmac_tumbler *mix = chip->mixer_data;
796
797 ucontrol->value.enumerated.item[0] = mix->capture_source;
798 return 0;
799}
800
801static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
802 struct snd_ctl_elem_value *ucontrol)
803{
804 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
805 struct pmac_tumbler *mix = chip->mixer_data;
806 int change;
807
808 change = ucontrol->value.enumerated.item[0] != mix->capture_source;
809 if (change) {
810 mix->capture_source = !!ucontrol->value.enumerated.item[0];
811 snapper_set_capture_source(mix);
812 }
813 return change;
814}
815
816#define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
817 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
818 .name = xname, \
819 .info = snapper_info_mix, \
820 .get = snapper_get_mix, \
821 .put = snapper_put_mix, \
822 .index = idx,\
823 .private_value = ofs, \
824}
825
826
827/*
828 */
829static struct snd_kcontrol_new tumbler_mixers[] = {
830 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
831 .name = "Master Playback Volume",
832 .info = tumbler_info_master_volume,
833 .get = tumbler_get_master_volume,
834 .put = tumbler_put_master_volume
835 },
836 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
837 .name = "Master Playback Switch",
838 .info = snd_pmac_boolean_stereo_info,
839 .get = tumbler_get_master_switch,
840 .put = tumbler_put_master_switch
841 },
842 DEFINE_MONO("Tone Control - Bass", bass),
843 DEFINE_MONO("Tone Control - Treble", treble),
844 DEFINE_MONO("PCM Playback Volume", pcm),
845 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
846 .name = "DRC Range",
847 .info = tumbler_info_drc_value,
848 .get = tumbler_get_drc_value,
849 .put = tumbler_put_drc_value
850 },
851};
852
853static struct snd_kcontrol_new snapper_mixers[] = {
854 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
855 .name = "Master Playback Volume",
856 .info = tumbler_info_master_volume,
857 .get = tumbler_get_master_volume,
858 .put = tumbler_put_master_volume
859 },
860 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
861 .name = "Master Playback Switch",
862 .info = snd_pmac_boolean_stereo_info,
863 .get = tumbler_get_master_switch,
864 .put = tumbler_put_master_switch
865 },
866 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
867 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
868 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2),
869 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
870 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
871 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
872 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
873 .name = "DRC Range",
874 .info = tumbler_info_drc_value,
875 .get = tumbler_get_drc_value,
876 .put = tumbler_put_drc_value
877 },
878 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
879 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
880 .info = snapper_info_capture_source,
881 .get = snapper_get_capture_source,
882 .put = snapper_put_capture_source
883 },
884};
885
886static const struct snd_kcontrol_new tumbler_hp_sw = {
887 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
888 .name = "Headphone Playback Switch",
889 .info = snd_pmac_boolean_mono_info,
890 .get = tumbler_get_mute_switch,
891 .put = tumbler_put_mute_switch,
892 .private_value = TUMBLER_MUTE_HP,
893};
894static const struct snd_kcontrol_new tumbler_speaker_sw = {
895 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
896 .name = "Speaker Playback Switch",
897 .info = snd_pmac_boolean_mono_info,
898 .get = tumbler_get_mute_switch,
899 .put = tumbler_put_mute_switch,
900 .private_value = TUMBLER_MUTE_AMP,
901};
902static const struct snd_kcontrol_new tumbler_lineout_sw = {
903 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
904 .name = "Line Out Playback Switch",
905 .info = snd_pmac_boolean_mono_info,
906 .get = tumbler_get_mute_switch,
907 .put = tumbler_put_mute_switch,
908 .private_value = TUMBLER_MUTE_LINE,
909};
910static const struct snd_kcontrol_new tumbler_drc_sw = {
911 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
912 .name = "DRC Switch",
913 .info = snd_pmac_boolean_mono_info,
914 .get = tumbler_get_drc_switch,
915 .put = tumbler_put_drc_switch
916};
917
918
919#ifdef PMAC_SUPPORT_AUTOMUTE
920/*
921 * auto-mute stuffs
922 */
923static int tumbler_detect_headphone(struct snd_pmac *chip)
924{
925 struct pmac_tumbler *mix = chip->mixer_data;
926 int detect = 0;
927
928 if (mix->hp_detect.addr)
929 detect |= read_audio_gpio(&mix->hp_detect);
930 return detect;
931}
932
933static int tumbler_detect_lineout(struct snd_pmac *chip)
934{
935 struct pmac_tumbler *mix = chip->mixer_data;
936 int detect = 0;
937
938 if (mix->line_detect.addr)
939 detect |= read_audio_gpio(&mix->line_detect);
940 return detect;
941}
942
943static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
944 struct snd_kcontrol *sw)
945{
946 if (check_audio_gpio(gp) != val) {
947 write_audio_gpio(gp, val);
948 if (do_notify)
949 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
950 &sw->id);
951 }
952}
953
954static struct work_struct device_change;
955static struct snd_pmac *device_change_chip;
956
957static void device_change_handler(struct work_struct *work)
958{
959 struct snd_pmac *chip = device_change_chip;
960 struct pmac_tumbler *mix;
961 int headphone, lineout;
962
963 if (!chip)
964 return;
965
966 mix = chip->mixer_data;
967 if (snd_BUG_ON(!mix))
968 return;
969
970 headphone = tumbler_detect_headphone(chip);
971 lineout = tumbler_detect_lineout(chip);
972
973 DBG("headphone: %d, lineout: %d\n", headphone, lineout);
974
975 if (headphone || lineout) {
976 /* unmute headphone/lineout & mute speaker */
977 if (headphone)
978 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
979 chip->master_sw_ctl);
980 if (lineout && mix->line_mute.addr != 0)
981 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
982 chip->lineout_sw_ctl);
983 if (mix->anded_reset)
984 msleep(10);
985 check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify,
986 chip->speaker_sw_ctl);
987 } else {
988 /* unmute speaker, mute others */
989 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
990 chip->speaker_sw_ctl);
991 if (mix->anded_reset)
992 msleep(10);
993 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
994 chip->master_sw_ctl);
995 if (mix->line_mute.addr != 0)
996 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
997 chip->lineout_sw_ctl);
998 }
999 if (mix->auto_mute_notify)
1000 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1001 &chip->hp_detect_ctl->id);
1002
1003#ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1004 mix->drc_enable = ! (headphone || lineout);
1005 if (mix->auto_mute_notify)
1006 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1007 &chip->drc_sw_ctl->id);
1008 if (chip->model == PMAC_TUMBLER)
1009 tumbler_set_drc(mix);
1010 else
1011 snapper_set_drc(mix);
1012#endif
1013
1014 /* reset the master volume so the correct amplification is applied */
1015 tumbler_set_master_volume(mix);
1016}
1017
1018static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1019{
1020 if (chip->auto_mute) {
1021 struct pmac_tumbler *mix;
1022 mix = chip->mixer_data;
1023 if (snd_BUG_ON(!mix))
1024 return;
1025 mix->auto_mute_notify = do_notify;
1026 schedule_work(&device_change);
1027 }
1028}
1029#endif /* PMAC_SUPPORT_AUTOMUTE */
1030
1031
1032/* interrupt - headphone plug changed */
1033static irqreturn_t headphone_intr(int irq, void *devid)
1034{
1035 struct snd_pmac *chip = devid;
1036 if (chip->update_automute && chip->initialized) {
1037 chip->update_automute(chip, 1);
1038 return IRQ_HANDLED;
1039 }
1040 return IRQ_NONE;
1041}
1042
1043/* look for audio-gpio device */
1044static struct device_node *find_audio_device(const char *name)
1045{
1046 struct device_node *gpiop;
1047 struct device_node *np;
1048
1049 gpiop = of_find_node_by_name(NULL, "gpio");
1050 if (! gpiop)
1051 return NULL;
1052
1053 for (np = of_get_next_child(gpiop, NULL); np;
1054 np = of_get_next_child(gpiop, np)) {
1055 const char *property = of_get_property(np, "audio-gpio", NULL);
1056 if (property && strcmp(property, name) == 0)
1057 break;
1058 }
1059 of_node_put(gpiop);
1060 return np;
1061}
1062
1063/* look for audio-gpio device */
1064static struct device_node *find_compatible_audio_device(const char *name)
1065{
1066 struct device_node *gpiop;
1067 struct device_node *np;
1068
1069 gpiop = of_find_node_by_name(NULL, "gpio");
1070 if (!gpiop)
1071 return NULL;
1072
1073 for (np = of_get_next_child(gpiop, NULL); np;
1074 np = of_get_next_child(gpiop, np)) {
1075 if (of_device_is_compatible(np, name))
1076 break;
1077 }
1078 of_node_put(gpiop);
1079 return np;
1080}
1081
1082/* find an audio device and get its address */
1083static long tumbler_find_device(const char *device, const char *platform,
1084 struct pmac_gpio *gp, int is_compatible)
1085{
1086 struct device_node *node;
1087 const u32 *base;
1088 u32 addr;
1089 long ret;
1090
1091 if (is_compatible)
1092 node = find_compatible_audio_device(device);
1093 else
1094 node = find_audio_device(device);
1095 if (! node) {
1096 DBG("(W) cannot find audio device %s !\n", device);
1097 snd_printdd("cannot find device %s\n", device);
1098 return -ENODEV;
1099 }
1100
1101 base = of_get_property(node, "AAPL,address", NULL);
1102 if (! base) {
1103 base = of_get_property(node, "reg", NULL);
1104 if (!base) {
1105 DBG("(E) cannot find address for device %s !\n", device);
1106 snd_printd("cannot find address for device %s\n", device);
1107 of_node_put(node);
1108 return -ENODEV;
1109 }
1110 addr = *base;
1111 if (addr < 0x50)
1112 addr += 0x50;
1113 } else
1114 addr = *base;
1115
1116 gp->addr = addr & 0x0000ffff;
1117 /* Try to find the active state, default to 0 ! */
1118 base = of_get_property(node, "audio-gpio-active-state", NULL);
1119 if (base) {
1120 gp->active_state = *base;
1121 gp->active_val = (*base) ? 0x5 : 0x4;
1122 gp->inactive_val = (*base) ? 0x4 : 0x5;
1123 } else {
1124 const u32 *prop = NULL;
1125 gp->active_state = IS_G4DA
1126 && !strncmp(device, "keywest-gpio1", 13);
1127 gp->active_val = 0x4;
1128 gp->inactive_val = 0x5;
1129 /* Here are some crude hacks to extract the GPIO polarity and
1130 * open collector informations out of the do-platform script
1131 * as we don't yet have an interpreter for these things
1132 */
1133 if (platform)
1134 prop = of_get_property(node, platform, NULL);
1135 if (prop) {
1136 if (prop[3] == 0x9 && prop[4] == 0x9) {
1137 gp->active_val = 0xd;
1138 gp->inactive_val = 0xc;
1139 }
1140 if (prop[3] == 0x1 && prop[4] == 0x1) {
1141 gp->active_val = 0x5;
1142 gp->inactive_val = 0x4;
1143 }
1144 }
1145 }
1146
1147 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
1148 device, gp->addr, gp->active_state);
1149
1150 ret = irq_of_parse_and_map(node, 0);
1151 of_node_put(node);
1152 return ret;
1153}
1154
1155/* reset audio */
1156static void tumbler_reset_audio(struct snd_pmac *chip)
1157{
1158 struct pmac_tumbler *mix = chip->mixer_data;
1159
1160 if (mix->anded_reset) {
1161 DBG("(I) codec anded reset !\n");
1162 write_audio_gpio(&mix->hp_mute, 0);
1163 write_audio_gpio(&mix->amp_mute, 0);
1164 msleep(200);
1165 write_audio_gpio(&mix->hp_mute, 1);
1166 write_audio_gpio(&mix->amp_mute, 1);
1167 msleep(100);
1168 write_audio_gpio(&mix->hp_mute, 0);
1169 write_audio_gpio(&mix->amp_mute, 0);
1170 msleep(100);
1171 } else {
1172 DBG("(I) codec normal reset !\n");
1173
1174 write_audio_gpio(&mix->audio_reset, 0);
1175 msleep(200);
1176 write_audio_gpio(&mix->audio_reset, 1);
1177 msleep(100);
1178 write_audio_gpio(&mix->audio_reset, 0);
1179 msleep(100);
1180 }
1181}
1182
1183#ifdef CONFIG_PM
1184/* suspend mixer */
1185static void tumbler_suspend(struct snd_pmac *chip)
1186{
1187 struct pmac_tumbler *mix = chip->mixer_data;
1188
1189 if (mix->headphone_irq >= 0)
1190 disable_irq(mix->headphone_irq);
1191 if (mix->lineout_irq >= 0)
1192 disable_irq(mix->lineout_irq);
1193 mix->save_master_switch[0] = mix->master_switch[0];
1194 mix->save_master_switch[1] = mix->master_switch[1];
1195 mix->save_master_vol[0] = mix->master_vol[0];
1196 mix->save_master_vol[1] = mix->master_vol[1];
1197 mix->master_switch[0] = mix->master_switch[1] = 0;
1198 tumbler_set_master_volume(mix);
1199 if (!mix->anded_reset) {
1200 write_audio_gpio(&mix->amp_mute, 1);
1201 write_audio_gpio(&mix->hp_mute, 1);
1202 }
1203 if (chip->model == PMAC_SNAPPER) {
1204 mix->acs |= 1;
1205 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1206 }
1207 if (mix->anded_reset) {
1208 write_audio_gpio(&mix->amp_mute, 1);
1209 write_audio_gpio(&mix->hp_mute, 1);
1210 } else
1211 write_audio_gpio(&mix->audio_reset, 1);
1212}
1213
1214/* resume mixer */
1215static void tumbler_resume(struct snd_pmac *chip)
1216{
1217 struct pmac_tumbler *mix = chip->mixer_data;
1218
1219 mix->acs &= ~1;
1220 mix->master_switch[0] = mix->save_master_switch[0];
1221 mix->master_switch[1] = mix->save_master_switch[1];
1222 mix->master_vol[0] = mix->save_master_vol[0];
1223 mix->master_vol[1] = mix->save_master_vol[1];
1224 tumbler_reset_audio(chip);
1225 if (mix->i2c.client && mix->i2c.init_client) {
1226 if (mix->i2c.init_client(&mix->i2c) < 0)
1227 printk(KERN_ERR "tumbler_init_client error\n");
1228 } else
1229 printk(KERN_ERR "tumbler: i2c is not initialized\n");
1230 if (chip->model == PMAC_TUMBLER) {
1231 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1232 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1233 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1234 tumbler_set_drc(mix);
1235 } else {
1236 snapper_set_mix_vol(mix, VOL_IDX_PCM);
1237 snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1238 snapper_set_mix_vol(mix, VOL_IDX_ADC);
1239 tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1240 tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1241 snapper_set_drc(mix);
1242 snapper_set_capture_source(mix);
1243 }
1244 tumbler_set_master_volume(mix);
1245 if (chip->update_automute)
1246 chip->update_automute(chip, 0);
1247 if (mix->headphone_irq >= 0) {
1248 unsigned char val;
1249
1250 enable_irq(mix->headphone_irq);
1251 /* activate headphone status interrupts */
1252 val = do_gpio_read(&mix->hp_detect);
1253 do_gpio_write(&mix->hp_detect, val | 0x80);
1254 }
1255 if (mix->lineout_irq >= 0)
1256 enable_irq(mix->lineout_irq);
1257}
1258#endif
1259
1260/* initialize tumbler */
1261static int tumbler_init(struct snd_pmac *chip)
1262{
1263 int irq;
1264 struct pmac_tumbler *mix = chip->mixer_data;
1265
1266 if (tumbler_find_device("audio-hw-reset",
1267 "platform-do-hw-reset",
1268 &mix->audio_reset, 0) < 0)
1269 tumbler_find_device("hw-reset",
1270 "platform-do-hw-reset",
1271 &mix->audio_reset, 1);
1272 if (tumbler_find_device("amp-mute",
1273 "platform-do-amp-mute",
1274 &mix->amp_mute, 0) < 0)
1275 tumbler_find_device("amp-mute",
1276 "platform-do-amp-mute",
1277 &mix->amp_mute, 1);
1278 if (tumbler_find_device("headphone-mute",
1279 "platform-do-headphone-mute",
1280 &mix->hp_mute, 0) < 0)
1281 tumbler_find_device("headphone-mute",
1282 "platform-do-headphone-mute",
1283 &mix->hp_mute, 1);
1284 if (tumbler_find_device("line-output-mute",
1285 "platform-do-lineout-mute",
1286 &mix->line_mute, 0) < 0)
1287 tumbler_find_device("line-output-mute",
1288 "platform-do-lineout-mute",
1289 &mix->line_mute, 1);
1290 irq = tumbler_find_device("headphone-detect",
1291 NULL, &mix->hp_detect, 0);
1292 if (irq <= 0)
1293 irq = tumbler_find_device("headphone-detect",
1294 NULL, &mix->hp_detect, 1);
1295 if (irq <= 0)
1296 irq = tumbler_find_device("keywest-gpio15",
1297 NULL, &mix->hp_detect, 1);
1298 mix->headphone_irq = irq;
1299 irq = tumbler_find_device("line-output-detect",
1300 NULL, &mix->line_detect, 0);
1301 if (irq <= 0)
1302 irq = tumbler_find_device("line-output-detect",
1303 NULL, &mix->line_detect, 1);
1304 if (IS_G4DA && irq <= 0)
1305 irq = tumbler_find_device("keywest-gpio16",
1306 NULL, &mix->line_detect, 1);
1307 mix->lineout_irq = irq;
1308
1309 tumbler_reset_audio(chip);
1310
1311 return 0;
1312}
1313
1314static void tumbler_cleanup(struct snd_pmac *chip)
1315{
1316 struct pmac_tumbler *mix = chip->mixer_data;
1317 if (! mix)
1318 return;
1319
1320 if (mix->headphone_irq >= 0)
1321 free_irq(mix->headphone_irq, chip);
1322 if (mix->lineout_irq >= 0)
1323 free_irq(mix->lineout_irq, chip);
1324 tumbler_gpio_free(&mix->audio_reset);
1325 tumbler_gpio_free(&mix->amp_mute);
1326 tumbler_gpio_free(&mix->hp_mute);
1327 tumbler_gpio_free(&mix->hp_detect);
1328 snd_pmac_keywest_cleanup(&mix->i2c);
1329 kfree(mix);
1330 chip->mixer_data = NULL;
1331}
1332
1333/* exported */
1334int snd_pmac_tumbler_init(struct snd_pmac *chip)
1335{
1336 int i, err;
1337 struct pmac_tumbler *mix;
1338 const u32 *paddr;
1339 struct device_node *tas_node, *np;
1340 char *chipname;
1341
1342 request_module("i2c-powermac");
1343
1344 mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1345 if (! mix)
1346 return -ENOMEM;
1347 mix->headphone_irq = -1;
1348
1349 chip->mixer_data = mix;
1350 chip->mixer_free = tumbler_cleanup;
1351 mix->anded_reset = 0;
1352 mix->reset_on_sleep = 1;
1353
1354 for_each_child_of_node(chip->node, np) {
1355 if (of_node_name_eq(np, "sound")) {
1356 if (of_get_property(np, "has-anded-reset", NULL))
1357 mix->anded_reset = 1;
1358 if (of_get_property(np, "layout-id", NULL))
1359 mix->reset_on_sleep = 0;
1360 of_node_put(np);
1361 break;
1362 }
1363 }
1364 if ((err = tumbler_init(chip)) < 0)
1365 return err;
1366
1367 /* set up TAS */
1368 tas_node = of_find_node_by_name(NULL, "deq");
1369 if (tas_node == NULL)
1370 tas_node = of_find_node_by_name(NULL, "codec");
1371 if (tas_node == NULL)
1372 return -ENODEV;
1373
1374 paddr = of_get_property(tas_node, "i2c-address", NULL);
1375 if (paddr == NULL)
1376 paddr = of_get_property(tas_node, "reg", NULL);
1377 if (paddr)
1378 mix->i2c.addr = (*paddr) >> 1;
1379 else
1380 mix->i2c.addr = TAS_I2C_ADDR;
1381 of_node_put(tas_node);
1382
1383 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1384
1385 if (chip->model == PMAC_TUMBLER) {
1386 mix->i2c.init_client = tumbler_init_client;
1387 mix->i2c.name = "TAS3001c";
1388 chipname = "Tumbler";
1389 } else {
1390 mix->i2c.init_client = snapper_init_client;
1391 mix->i2c.name = "TAS3004";
1392 chipname = "Snapper";
1393 }
1394
1395 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
1396 return err;
1397
1398 /*
1399 * build mixers
1400 */
1401 sprintf(chip->card->mixername, "PowerMac %s", chipname);
1402
1403 if (chip->model == PMAC_TUMBLER) {
1404 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1405 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
1406 return err;
1407 }
1408 } else {
1409 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1410 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
1411 return err;
1412 }
1413 }
1414 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1415 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
1416 return err;
1417 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1418 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
1419 return err;
1420 if (mix->line_mute.addr != 0) {
1421 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1422 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0)
1423 return err;
1424 }
1425 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1426 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
1427 return err;
1428
1429 /* set initial DRC range to 60% */
1430 if (chip->model == PMAC_TUMBLER)
1431 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1432 else
1433 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1434 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1435 if (chip->model == PMAC_TUMBLER)
1436 tumbler_set_drc(mix);
1437 else
1438 snapper_set_drc(mix);
1439
1440#ifdef CONFIG_PM
1441 chip->suspend = tumbler_suspend;
1442 chip->resume = tumbler_resume;
1443#endif
1444
1445 INIT_WORK(&device_change, device_change_handler);
1446 device_change_chip = chip;
1447
1448#ifdef PMAC_SUPPORT_AUTOMUTE
1449 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0)
1450 && (err = snd_pmac_add_automute(chip)) < 0)
1451 return err;
1452 chip->detect_headphone = tumbler_detect_headphone;
1453 chip->update_automute = tumbler_update_automute;
1454 tumbler_update_automute(chip, 0); /* update the status only */
1455
1456 /* activate headphone status interrupts */
1457 if (mix->headphone_irq >= 0) {
1458 unsigned char val;
1459 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0,
1460 "Sound Headphone Detection", chip)) < 0)
1461 return 0;
1462 /* activate headphone status interrupts */
1463 val = do_gpio_read(&mix->hp_detect);
1464 do_gpio_write(&mix->hp_detect, val | 0x80);
1465 }
1466 if (mix->lineout_irq >= 0) {
1467 unsigned char val;
1468 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0,
1469 "Sound Lineout Detection", chip)) < 0)
1470 return 0;
1471 /* activate headphone status interrupts */
1472 val = do_gpio_read(&mix->line_detect);
1473 do_gpio_write(&mix->line_detect, val | 0x80);
1474 }
1475#endif
1476
1477 return 0;
1478}
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...) printk(KERN_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 snd_printk(KERN_ERR "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 snd_printk(KERN_ERR "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 snd_printk(KERN_ERR "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 snd_printk(KERN_ERR "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 snd_printk(KERN_ERR "failed to set mono volume %d\n", reg);
647 return -EINVAL;
648 }
649 return 0;
650}
651
652static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
653{
654 if (! mix->i2c.client)
655 return -ENODEV;
656 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
657 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
658 return -EINVAL;
659 return 0;
660}
661
662static int snapper_info_mix(struct snd_kcontrol *kcontrol,
663 struct snd_ctl_elem_info *uinfo)
664{
665 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
666 uinfo->count = 2;
667 uinfo->value.integer.min = 0;
668 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
669 return 0;
670}
671
672static int snapper_get_mix(struct snd_kcontrol *kcontrol,
673 struct snd_ctl_elem_value *ucontrol)
674{
675 int idx = (int)kcontrol->private_value;
676 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
677 struct pmac_tumbler *mix;
678 mix = chip->mixer_data;
679 if (!mix)
680 return -ENODEV;
681 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
682 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
683 return 0;
684}
685
686static int snapper_put_mix(struct snd_kcontrol *kcontrol,
687 struct snd_ctl_elem_value *ucontrol)
688{
689 int idx = (int)kcontrol->private_value;
690 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
691 struct pmac_tumbler *mix;
692 unsigned int vol[2];
693 int change;
694
695 mix = chip->mixer_data;
696 if (!mix)
697 return -ENODEV;
698 vol[0] = ucontrol->value.integer.value[0];
699 vol[1] = ucontrol->value.integer.value[1];
700 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
701 vol[1] >= ARRAY_SIZE(mixer_volume_table))
702 return -EINVAL;
703 change = mix->mix_vol[idx][0] != vol[0] ||
704 mix->mix_vol[idx][1] != vol[1];
705 if (change) {
706 mix->mix_vol[idx][0] = vol[0];
707 mix->mix_vol[idx][1] = vol[1];
708 snapper_set_mix_vol(mix, idx);
709 }
710 return change;
711}
712
713
714/*
715 * mute switches. FIXME: Turn that into software mute when both outputs are muted
716 * to avoid codec reset on ibook M7
717 */
718
719enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
720
721static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
722 struct snd_ctl_elem_value *ucontrol)
723{
724 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
725 struct pmac_tumbler *mix;
726 struct pmac_gpio *gp;
727 mix = chip->mixer_data;
728 if (!mix)
729 return -ENODEV;
730 switch(kcontrol->private_value) {
731 case TUMBLER_MUTE_HP:
732 gp = &mix->hp_mute; break;
733 case TUMBLER_MUTE_AMP:
734 gp = &mix->amp_mute; break;
735 case TUMBLER_MUTE_LINE:
736 gp = &mix->line_mute; break;
737 default:
738 gp = NULL;
739 }
740 if (gp == NULL)
741 return -EINVAL;
742 ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
743 return 0;
744}
745
746static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
747 struct snd_ctl_elem_value *ucontrol)
748{
749 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
750 struct pmac_tumbler *mix;
751 struct pmac_gpio *gp;
752 int val;
753#ifdef PMAC_SUPPORT_AUTOMUTE
754 if (chip->update_automute && chip->auto_mute)
755 return 0; /* don't touch in the auto-mute mode */
756#endif
757 mix = chip->mixer_data;
758 if (!mix)
759 return -ENODEV;
760 switch(kcontrol->private_value) {
761 case TUMBLER_MUTE_HP:
762 gp = &mix->hp_mute; break;
763 case TUMBLER_MUTE_AMP:
764 gp = &mix->amp_mute; break;
765 case TUMBLER_MUTE_LINE:
766 gp = &mix->line_mute; break;
767 default:
768 gp = NULL;
769 }
770 if (gp == NULL)
771 return -EINVAL;
772 val = ! check_audio_gpio(gp);
773 if (val != ucontrol->value.integer.value[0]) {
774 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
775 return 1;
776 }
777 return 0;
778}
779
780static int snapper_set_capture_source(struct pmac_tumbler *mix)
781{
782 if (! mix->i2c.client)
783 return -ENODEV;
784 if (mix->capture_source)
785 mix->acs |= 2;
786 else
787 mix->acs &= ~2;
788 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
789}
790
791static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
792 struct snd_ctl_elem_info *uinfo)
793{
794 static const char * const texts[2] = {
795 "Line", "Mic"
796 };
797
798 return snd_ctl_enum_info(uinfo, 1, 2, texts);
799}
800
801static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
802 struct snd_ctl_elem_value *ucontrol)
803{
804 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
805 struct pmac_tumbler *mix = chip->mixer_data;
806
807 ucontrol->value.enumerated.item[0] = mix->capture_source;
808 return 0;
809}
810
811static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
812 struct snd_ctl_elem_value *ucontrol)
813{
814 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
815 struct pmac_tumbler *mix = chip->mixer_data;
816 int change;
817
818 change = ucontrol->value.enumerated.item[0] != mix->capture_source;
819 if (change) {
820 mix->capture_source = !!ucontrol->value.enumerated.item[0];
821 snapper_set_capture_source(mix);
822 }
823 return change;
824}
825
826#define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
827 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
828 .name = xname, \
829 .info = snapper_info_mix, \
830 .get = snapper_get_mix, \
831 .put = snapper_put_mix, \
832 .index = idx,\
833 .private_value = ofs, \
834}
835
836
837/*
838 */
839static const struct snd_kcontrol_new tumbler_mixers[] = {
840 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
841 .name = "Master Playback Volume",
842 .info = tumbler_info_master_volume,
843 .get = tumbler_get_master_volume,
844 .put = tumbler_put_master_volume
845 },
846 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
847 .name = "Master Playback Switch",
848 .info = snd_pmac_boolean_stereo_info,
849 .get = tumbler_get_master_switch,
850 .put = tumbler_put_master_switch
851 },
852 DEFINE_MONO("Tone Control - Bass", bass),
853 DEFINE_MONO("Tone Control - Treble", treble),
854 DEFINE_MONO("PCM Playback Volume", pcm),
855 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
856 .name = "DRC Range",
857 .info = tumbler_info_drc_value,
858 .get = tumbler_get_drc_value,
859 .put = tumbler_put_drc_value
860 },
861};
862
863static const struct snd_kcontrol_new snapper_mixers[] = {
864 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
865 .name = "Master Playback Volume",
866 .info = tumbler_info_master_volume,
867 .get = tumbler_get_master_volume,
868 .put = tumbler_put_master_volume
869 },
870 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
871 .name = "Master Playback Switch",
872 .info = snd_pmac_boolean_stereo_info,
873 .get = tumbler_get_master_switch,
874 .put = tumbler_put_master_switch
875 },
876 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
877 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
878 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2),
879 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
880 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
881 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
882 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
883 .name = "DRC Range",
884 .info = tumbler_info_drc_value,
885 .get = tumbler_get_drc_value,
886 .put = tumbler_put_drc_value
887 },
888 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
889 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
890 .info = snapper_info_capture_source,
891 .get = snapper_get_capture_source,
892 .put = snapper_put_capture_source
893 },
894};
895
896static const struct snd_kcontrol_new tumbler_hp_sw = {
897 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
898 .name = "Headphone Playback Switch",
899 .info = snd_pmac_boolean_mono_info,
900 .get = tumbler_get_mute_switch,
901 .put = tumbler_put_mute_switch,
902 .private_value = TUMBLER_MUTE_HP,
903};
904static const struct snd_kcontrol_new tumbler_speaker_sw = {
905 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
906 .name = "Speaker Playback Switch",
907 .info = snd_pmac_boolean_mono_info,
908 .get = tumbler_get_mute_switch,
909 .put = tumbler_put_mute_switch,
910 .private_value = TUMBLER_MUTE_AMP,
911};
912static const struct snd_kcontrol_new tumbler_lineout_sw = {
913 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
914 .name = "Line Out Playback Switch",
915 .info = snd_pmac_boolean_mono_info,
916 .get = tumbler_get_mute_switch,
917 .put = tumbler_put_mute_switch,
918 .private_value = TUMBLER_MUTE_LINE,
919};
920static const struct snd_kcontrol_new tumbler_drc_sw = {
921 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
922 .name = "DRC Switch",
923 .info = snd_pmac_boolean_mono_info,
924 .get = tumbler_get_drc_switch,
925 .put = tumbler_put_drc_switch
926};
927
928
929#ifdef PMAC_SUPPORT_AUTOMUTE
930/*
931 * auto-mute stuffs
932 */
933static int tumbler_detect_headphone(struct snd_pmac *chip)
934{
935 struct pmac_tumbler *mix = chip->mixer_data;
936 int detect = 0;
937
938 if (mix->hp_detect.addr)
939 detect |= read_audio_gpio(&mix->hp_detect);
940 return detect;
941}
942
943static int tumbler_detect_lineout(struct snd_pmac *chip)
944{
945 struct pmac_tumbler *mix = chip->mixer_data;
946 int detect = 0;
947
948 if (mix->line_detect.addr)
949 detect |= read_audio_gpio(&mix->line_detect);
950 return detect;
951}
952
953static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
954 struct snd_kcontrol *sw)
955{
956 if (check_audio_gpio(gp) != val) {
957 write_audio_gpio(gp, val);
958 if (do_notify)
959 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
960 &sw->id);
961 }
962}
963
964static struct work_struct device_change;
965static struct snd_pmac *device_change_chip;
966
967static void device_change_handler(struct work_struct *work)
968{
969 struct snd_pmac *chip = device_change_chip;
970 struct pmac_tumbler *mix;
971 int headphone, lineout;
972
973 if (!chip)
974 return;
975
976 mix = chip->mixer_data;
977 if (snd_BUG_ON(!mix))
978 return;
979
980 headphone = tumbler_detect_headphone(chip);
981 lineout = tumbler_detect_lineout(chip);
982
983 DBG("headphone: %d, lineout: %d\n", headphone, lineout);
984
985 if (headphone || lineout) {
986 /* unmute headphone/lineout & mute speaker */
987 if (headphone)
988 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
989 chip->master_sw_ctl);
990 if (lineout && mix->line_mute.addr != 0)
991 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
992 chip->lineout_sw_ctl);
993 if (mix->anded_reset)
994 msleep(10);
995 check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify,
996 chip->speaker_sw_ctl);
997 } else {
998 /* unmute speaker, mute others */
999 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
1000 chip->speaker_sw_ctl);
1001 if (mix->anded_reset)
1002 msleep(10);
1003 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
1004 chip->master_sw_ctl);
1005 if (mix->line_mute.addr != 0)
1006 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
1007 chip->lineout_sw_ctl);
1008 }
1009 if (mix->auto_mute_notify)
1010 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1011 &chip->hp_detect_ctl->id);
1012
1013#ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1014 mix->drc_enable = ! (headphone || lineout);
1015 if (mix->auto_mute_notify)
1016 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1017 &chip->drc_sw_ctl->id);
1018 if (chip->model == PMAC_TUMBLER)
1019 tumbler_set_drc(mix);
1020 else
1021 snapper_set_drc(mix);
1022#endif
1023
1024 /* reset the master volume so the correct amplification is applied */
1025 tumbler_set_master_volume(mix);
1026}
1027
1028static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1029{
1030 if (chip->auto_mute) {
1031 struct pmac_tumbler *mix;
1032 mix = chip->mixer_data;
1033 if (snd_BUG_ON(!mix))
1034 return;
1035 mix->auto_mute_notify = do_notify;
1036 schedule_work(&device_change);
1037 }
1038}
1039#endif /* PMAC_SUPPORT_AUTOMUTE */
1040
1041
1042/* interrupt - headphone plug changed */
1043static irqreturn_t headphone_intr(int irq, void *devid)
1044{
1045 struct snd_pmac *chip = devid;
1046 if (chip->update_automute && chip->initialized) {
1047 chip->update_automute(chip, 1);
1048 return IRQ_HANDLED;
1049 }
1050 return IRQ_NONE;
1051}
1052
1053/* look for audio-gpio device */
1054static struct device_node *find_audio_device(const char *name)
1055{
1056 struct device_node *gpiop;
1057 struct device_node *np;
1058
1059 gpiop = of_find_node_by_name(NULL, "gpio");
1060 if (! gpiop)
1061 return NULL;
1062
1063 for (np = of_get_next_child(gpiop, NULL); np;
1064 np = of_get_next_child(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 (np = of_get_next_child(gpiop, NULL); np;
1084 np = of_get_next_child(gpiop, np)) {
1085 if (of_device_is_compatible(np, name))
1086 break;
1087 }
1088 of_node_put(gpiop);
1089 return np;
1090}
1091
1092/* find an audio device and get its address */
1093static long tumbler_find_device(const char *device, const char *platform,
1094 struct pmac_gpio *gp, int is_compatible)
1095{
1096 struct device_node *node;
1097 const u32 *base;
1098 u32 addr;
1099 long ret;
1100
1101 if (is_compatible)
1102 node = find_compatible_audio_device(device);
1103 else
1104 node = find_audio_device(device);
1105 if (! node) {
1106 DBG("(W) cannot find audio device %s !\n", device);
1107 snd_printdd("cannot find device %s\n", device);
1108 return -ENODEV;
1109 }
1110
1111 base = of_get_property(node, "AAPL,address", NULL);
1112 if (! base) {
1113 base = of_get_property(node, "reg", NULL);
1114 if (!base) {
1115 DBG("(E) cannot find address for device %s !\n", device);
1116 snd_printd("cannot find address for device %s\n", device);
1117 of_node_put(node);
1118 return -ENODEV;
1119 }
1120 addr = *base;
1121 if (addr < 0x50)
1122 addr += 0x50;
1123 } else
1124 addr = *base;
1125
1126 gp->addr = addr & 0x0000ffff;
1127 /* Try to find the active state, default to 0 ! */
1128 base = of_get_property(node, "audio-gpio-active-state", NULL);
1129 if (base) {
1130 gp->active_state = *base;
1131 gp->active_val = (*base) ? 0x5 : 0x4;
1132 gp->inactive_val = (*base) ? 0x4 : 0x5;
1133 } else {
1134 const u32 *prop = NULL;
1135 gp->active_state = IS_G4DA
1136 && !strncmp(device, "keywest-gpio1", 13);
1137 gp->active_val = 0x4;
1138 gp->inactive_val = 0x5;
1139 /* Here are some crude hacks to extract the GPIO polarity and
1140 * open collector informations out of the do-platform script
1141 * as we don't yet have an interpreter for these things
1142 */
1143 if (platform)
1144 prop = of_get_property(node, platform, NULL);
1145 if (prop) {
1146 if (prop[3] == 0x9 && prop[4] == 0x9) {
1147 gp->active_val = 0xd;
1148 gp->inactive_val = 0xc;
1149 }
1150 if (prop[3] == 0x1 && prop[4] == 0x1) {
1151 gp->active_val = 0x5;
1152 gp->inactive_val = 0x4;
1153 }
1154 }
1155 }
1156
1157 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
1158 device, gp->addr, gp->active_state);
1159
1160 ret = irq_of_parse_and_map(node, 0);
1161 of_node_put(node);
1162 return ret;
1163}
1164
1165/* reset audio */
1166static void tumbler_reset_audio(struct snd_pmac *chip)
1167{
1168 struct pmac_tumbler *mix = chip->mixer_data;
1169
1170 if (mix->anded_reset) {
1171 DBG("(I) codec anded reset !\n");
1172 write_audio_gpio(&mix->hp_mute, 0);
1173 write_audio_gpio(&mix->amp_mute, 0);
1174 msleep(200);
1175 write_audio_gpio(&mix->hp_mute, 1);
1176 write_audio_gpio(&mix->amp_mute, 1);
1177 msleep(100);
1178 write_audio_gpio(&mix->hp_mute, 0);
1179 write_audio_gpio(&mix->amp_mute, 0);
1180 msleep(100);
1181 } else {
1182 DBG("(I) codec normal reset !\n");
1183
1184 write_audio_gpio(&mix->audio_reset, 0);
1185 msleep(200);
1186 write_audio_gpio(&mix->audio_reset, 1);
1187 msleep(100);
1188 write_audio_gpio(&mix->audio_reset, 0);
1189 msleep(100);
1190 }
1191}
1192
1193#ifdef CONFIG_PM
1194/* suspend mixer */
1195static void tumbler_suspend(struct snd_pmac *chip)
1196{
1197 struct pmac_tumbler *mix = chip->mixer_data;
1198
1199 if (mix->headphone_irq >= 0)
1200 disable_irq(mix->headphone_irq);
1201 if (mix->lineout_irq >= 0)
1202 disable_irq(mix->lineout_irq);
1203 mix->save_master_switch[0] = mix->master_switch[0];
1204 mix->save_master_switch[1] = mix->master_switch[1];
1205 mix->save_master_vol[0] = mix->master_vol[0];
1206 mix->save_master_vol[1] = mix->master_vol[1];
1207 mix->master_switch[0] = mix->master_switch[1] = 0;
1208 tumbler_set_master_volume(mix);
1209 if (!mix->anded_reset) {
1210 write_audio_gpio(&mix->amp_mute, 1);
1211 write_audio_gpio(&mix->hp_mute, 1);
1212 }
1213 if (chip->model == PMAC_SNAPPER) {
1214 mix->acs |= 1;
1215 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1216 }
1217 if (mix->anded_reset) {
1218 write_audio_gpio(&mix->amp_mute, 1);
1219 write_audio_gpio(&mix->hp_mute, 1);
1220 } else
1221 write_audio_gpio(&mix->audio_reset, 1);
1222}
1223
1224/* resume mixer */
1225static void tumbler_resume(struct snd_pmac *chip)
1226{
1227 struct pmac_tumbler *mix = chip->mixer_data;
1228
1229 mix->acs &= ~1;
1230 mix->master_switch[0] = mix->save_master_switch[0];
1231 mix->master_switch[1] = mix->save_master_switch[1];
1232 mix->master_vol[0] = mix->save_master_vol[0];
1233 mix->master_vol[1] = mix->save_master_vol[1];
1234 tumbler_reset_audio(chip);
1235 if (mix->i2c.client && mix->i2c.init_client) {
1236 if (mix->i2c.init_client(&mix->i2c) < 0)
1237 printk(KERN_ERR "tumbler_init_client error\n");
1238 } else
1239 printk(KERN_ERR "tumbler: i2c is not initialized\n");
1240 if (chip->model == PMAC_TUMBLER) {
1241 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1242 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1243 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1244 tumbler_set_drc(mix);
1245 } else {
1246 snapper_set_mix_vol(mix, VOL_IDX_PCM);
1247 snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1248 snapper_set_mix_vol(mix, VOL_IDX_ADC);
1249 tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1250 tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1251 snapper_set_drc(mix);
1252 snapper_set_capture_source(mix);
1253 }
1254 tumbler_set_master_volume(mix);
1255 if (chip->update_automute)
1256 chip->update_automute(chip, 0);
1257 if (mix->headphone_irq >= 0) {
1258 unsigned char val;
1259
1260 enable_irq(mix->headphone_irq);
1261 /* activate headphone status interrupts */
1262 val = do_gpio_read(&mix->hp_detect);
1263 do_gpio_write(&mix->hp_detect, val | 0x80);
1264 }
1265 if (mix->lineout_irq >= 0)
1266 enable_irq(mix->lineout_irq);
1267}
1268#endif
1269
1270/* initialize tumbler */
1271static int tumbler_init(struct snd_pmac *chip)
1272{
1273 int irq;
1274 struct pmac_tumbler *mix = chip->mixer_data;
1275
1276 if (tumbler_find_device("audio-hw-reset",
1277 "platform-do-hw-reset",
1278 &mix->audio_reset, 0) < 0)
1279 tumbler_find_device("hw-reset",
1280 "platform-do-hw-reset",
1281 &mix->audio_reset, 1);
1282 if (tumbler_find_device("amp-mute",
1283 "platform-do-amp-mute",
1284 &mix->amp_mute, 0) < 0)
1285 tumbler_find_device("amp-mute",
1286 "platform-do-amp-mute",
1287 &mix->amp_mute, 1);
1288 if (tumbler_find_device("headphone-mute",
1289 "platform-do-headphone-mute",
1290 &mix->hp_mute, 0) < 0)
1291 tumbler_find_device("headphone-mute",
1292 "platform-do-headphone-mute",
1293 &mix->hp_mute, 1);
1294 if (tumbler_find_device("line-output-mute",
1295 "platform-do-lineout-mute",
1296 &mix->line_mute, 0) < 0)
1297 tumbler_find_device("line-output-mute",
1298 "platform-do-lineout-mute",
1299 &mix->line_mute, 1);
1300 irq = tumbler_find_device("headphone-detect",
1301 NULL, &mix->hp_detect, 0);
1302 if (irq <= 0)
1303 irq = tumbler_find_device("headphone-detect",
1304 NULL, &mix->hp_detect, 1);
1305 if (irq <= 0)
1306 irq = tumbler_find_device("keywest-gpio15",
1307 NULL, &mix->hp_detect, 1);
1308 mix->headphone_irq = irq;
1309 irq = tumbler_find_device("line-output-detect",
1310 NULL, &mix->line_detect, 0);
1311 if (irq <= 0)
1312 irq = tumbler_find_device("line-output-detect",
1313 NULL, &mix->line_detect, 1);
1314 if (IS_G4DA && irq <= 0)
1315 irq = tumbler_find_device("keywest-gpio16",
1316 NULL, &mix->line_detect, 1);
1317 mix->lineout_irq = irq;
1318
1319 tumbler_reset_audio(chip);
1320
1321 return 0;
1322}
1323
1324static void tumbler_cleanup(struct snd_pmac *chip)
1325{
1326 struct pmac_tumbler *mix = chip->mixer_data;
1327 if (! mix)
1328 return;
1329
1330 if (mix->headphone_irq >= 0)
1331 free_irq(mix->headphone_irq, chip);
1332 if (mix->lineout_irq >= 0)
1333 free_irq(mix->lineout_irq, chip);
1334 tumbler_gpio_free(&mix->audio_reset);
1335 tumbler_gpio_free(&mix->amp_mute);
1336 tumbler_gpio_free(&mix->hp_mute);
1337 tumbler_gpio_free(&mix->hp_detect);
1338 snd_pmac_keywest_cleanup(&mix->i2c);
1339 kfree(mix);
1340 chip->mixer_data = NULL;
1341}
1342
1343/* exported */
1344int snd_pmac_tumbler_init(struct snd_pmac *chip)
1345{
1346 int i, err;
1347 struct pmac_tumbler *mix;
1348 const u32 *paddr;
1349 struct device_node *tas_node, *np;
1350 char *chipname;
1351
1352 request_module("i2c-powermac");
1353
1354 mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1355 if (! mix)
1356 return -ENOMEM;
1357 mix->headphone_irq = -1;
1358
1359 chip->mixer_data = mix;
1360 chip->mixer_free = tumbler_cleanup;
1361 mix->anded_reset = 0;
1362 mix->reset_on_sleep = 1;
1363
1364 for_each_child_of_node(chip->node, np) {
1365 if (of_node_name_eq(np, "sound")) {
1366 if (of_get_property(np, "has-anded-reset", NULL))
1367 mix->anded_reset = 1;
1368 if (of_get_property(np, "layout-id", NULL))
1369 mix->reset_on_sleep = 0;
1370 of_node_put(np);
1371 break;
1372 }
1373 }
1374 err = tumbler_init(chip);
1375 if (err < 0)
1376 return err;
1377
1378 /* set up TAS */
1379 tas_node = of_find_node_by_name(NULL, "deq");
1380 if (tas_node == NULL)
1381 tas_node = of_find_node_by_name(NULL, "codec");
1382 if (tas_node == NULL)
1383 return -ENODEV;
1384
1385 paddr = of_get_property(tas_node, "i2c-address", NULL);
1386 if (paddr == NULL)
1387 paddr = of_get_property(tas_node, "reg", NULL);
1388 if (paddr)
1389 mix->i2c.addr = (*paddr) >> 1;
1390 else
1391 mix->i2c.addr = TAS_I2C_ADDR;
1392 of_node_put(tas_node);
1393
1394 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1395
1396 if (chip->model == PMAC_TUMBLER) {
1397 mix->i2c.init_client = tumbler_init_client;
1398 mix->i2c.name = "TAS3001c";
1399 chipname = "Tumbler";
1400 } else {
1401 mix->i2c.init_client = snapper_init_client;
1402 mix->i2c.name = "TAS3004";
1403 chipname = "Snapper";
1404 }
1405
1406 err = snd_pmac_keywest_init(&mix->i2c);
1407 if (err < 0)
1408 return err;
1409
1410 /*
1411 * build mixers
1412 */
1413 sprintf(chip->card->mixername, "PowerMac %s", chipname);
1414
1415 if (chip->model == PMAC_TUMBLER) {
1416 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1417 err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip));
1418 if (err < 0)
1419 return err;
1420 }
1421 } else {
1422 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1423 err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip));
1424 if (err < 0)
1425 return err;
1426 }
1427 }
1428 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1429 err = snd_ctl_add(chip->card, chip->master_sw_ctl);
1430 if (err < 0)
1431 return err;
1432 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1433 err = snd_ctl_add(chip->card, chip->speaker_sw_ctl);
1434 if (err < 0)
1435 return err;
1436 if (mix->line_mute.addr != 0) {
1437 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1438 err = snd_ctl_add(chip->card, chip->lineout_sw_ctl);
1439 if (err < 0)
1440 return err;
1441 }
1442 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1443 err = snd_ctl_add(chip->card, chip->drc_sw_ctl);
1444 if (err < 0)
1445 return err;
1446
1447 /* set initial DRC range to 60% */
1448 if (chip->model == PMAC_TUMBLER)
1449 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1450 else
1451 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1452 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1453 if (chip->model == PMAC_TUMBLER)
1454 tumbler_set_drc(mix);
1455 else
1456 snapper_set_drc(mix);
1457
1458#ifdef CONFIG_PM
1459 chip->suspend = tumbler_suspend;
1460 chip->resume = tumbler_resume;
1461#endif
1462
1463 INIT_WORK(&device_change, device_change_handler);
1464 device_change_chip = chip;
1465
1466#ifdef PMAC_SUPPORT_AUTOMUTE
1467 if (mix->headphone_irq >= 0 || mix->lineout_irq >= 0) {
1468 err = snd_pmac_add_automute(chip);
1469 if (err < 0)
1470 return err;
1471 }
1472 chip->detect_headphone = tumbler_detect_headphone;
1473 chip->update_automute = tumbler_update_automute;
1474 tumbler_update_automute(chip, 0); /* update the status only */
1475
1476 /* activate headphone status interrupts */
1477 if (mix->headphone_irq >= 0) {
1478 unsigned char val;
1479 err = request_irq(mix->headphone_irq, headphone_intr, 0,
1480 "Sound Headphone Detection", chip);
1481 if (err < 0)
1482 return 0;
1483 /* activate headphone status interrupts */
1484 val = do_gpio_read(&mix->hp_detect);
1485 do_gpio_write(&mix->hp_detect, val | 0x80);
1486 }
1487 if (mix->lineout_irq >= 0) {
1488 unsigned char val;
1489 err = request_irq(mix->lineout_irq, headphone_intr, 0,
1490 "Sound Lineout Detection", chip);
1491 if (err < 0)
1492 return 0;
1493 /* activate headphone status interrupts */
1494 val = do_gpio_read(&mix->line_detect);
1495 do_gpio_write(&mix->line_detect, val | 0x80);
1496 }
1497#endif
1498
1499 return 0;
1500}