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Linux 2.6.31.8
[linux/fpc-iii.git] / sound / ppc / tumbler.c
blob08e584d1453af17d22d43547cebf7d0bdf50d75f
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 <sound/core.h>
34 #include <asm/io.h>
35 #include <asm/irq.h>
36 #include <asm/machdep.h>
37 #include <asm/pmac_feature.h>
38 #include "pmac.h"
39 #include "tumbler_volume.h"
40
41 #undef DEBUG
42
43 #ifdef DEBUG
44 #define DBG(fmt...) printk(KERN_DEBUG fmt)
45 #else
46 #define DBG(fmt...)
47 #endif
48
49 /* i2c address for tumbler */
50 #define TAS_I2C_ADDR 0x34
51
52 /* registers */
53 #define TAS_REG_MCS 0x01 /* main control */
54 #define TAS_REG_DRC 0x02
55 #define TAS_REG_VOL 0x04
56 #define TAS_REG_TREBLE 0x05
57 #define TAS_REG_BASS 0x06
58 #define TAS_REG_INPUT1 0x07
59 #define TAS_REG_INPUT2 0x08
60
61 /* tas3001c */
62 #define TAS_REG_PCM TAS_REG_INPUT1
63
64 /* tas3004 */
65 #define TAS_REG_LMIX TAS_REG_INPUT1
66 #define TAS_REG_RMIX TAS_REG_INPUT2
67 #define TAS_REG_MCS2 0x43 /* main control 2 */
68 #define TAS_REG_ACS 0x40 /* analog control */
69
70 /* mono volumes for tas3001c/tas3004 */
71 enum {
72 VOL_IDX_PCM_MONO, /* tas3001c only */
73 VOL_IDX_BASS, VOL_IDX_TREBLE,
74 VOL_IDX_LAST_MONO
75 };
76
77 /* stereo volumes for tas3004 */
78 enum {
79 VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC,
80 VOL_IDX_LAST_MIX
81 };
82
83 struct pmac_gpio {
84 unsigned int addr;
85 u8 active_val;
86 u8 inactive_val;
87 u8 active_state;
88 };
89
90 struct pmac_tumbler {
91 struct pmac_keywest i2c;
92 struct pmac_gpio audio_reset;
93 struct pmac_gpio amp_mute;
94 struct pmac_gpio line_mute;
95 struct pmac_gpio line_detect;
96 struct pmac_gpio hp_mute;
97 struct pmac_gpio hp_detect;
98 int headphone_irq;
99 int lineout_irq;
100 unsigned int save_master_vol[2];
101 unsigned int master_vol[2];
102 unsigned int save_master_switch[2];
103 unsigned int master_switch[2];
104 unsigned int mono_vol[VOL_IDX_LAST_MONO];
105 unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */
106 int drc_range;
107 int drc_enable;
108 int capture_source;
109 int anded_reset;
110 int auto_mute_notify;
111 int reset_on_sleep;
112 u8 acs;
113 };
114
115
116 /*
117 */
118
119 static int send_init_client(struct pmac_keywest *i2c, unsigned int *regs)
120 {
121 while (*regs > 0) {
122 int err, count = 10;
123 do {
124 err = i2c_smbus_write_byte_data(i2c->client,
125 regs[0], regs[1]);
126 if (err >= 0)
127 break;
128 DBG("(W) i2c error %d\n", err);
129 mdelay(10);
130 } while (count--);
131 if (err < 0)
132 return -ENXIO;
133 regs += 2;
134 }
135 return 0;
136 }
137
138
139 static int tumbler_init_client(struct pmac_keywest *i2c)
140 {
141 static unsigned int regs[] = {
142 /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */
143 TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0,
144 0, /* terminator */
145 };
146 DBG("(I) tumbler init client\n");
147 return send_init_client(i2c, regs);
148 }
149
150 static int snapper_init_client(struct pmac_keywest *i2c)
151 {
152 static unsigned int regs[] = {
153 /* normal operation, SCLK=64fps, i2s output, 16bit width */
154 TAS_REG_MCS, (1<<6)|(2<<4)|0,
155 /* normal operation, all-pass mode */
156 TAS_REG_MCS2, (1<<1),
157 /* normal output, no deemphasis, A input, power-up, line-in */
158 TAS_REG_ACS, 0,
159 0, /* terminator */
160 };
161 DBG("(I) snapper init client\n");
162 return send_init_client(i2c, regs);
163 }
164
165 /*
166 * gpio access
167 */
168 #define do_gpio_write(gp, val) \
169 pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val)
170 #define do_gpio_read(gp) \
171 pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0)
172 #define tumbler_gpio_free(gp) /* NOP */
173
174 static void write_audio_gpio(struct pmac_gpio *gp, int active)
175 {
176 if (! gp->addr)
177 return;
178 active = active ? gp->active_val : gp->inactive_val;
179 do_gpio_write(gp, active);
180 DBG("(I) gpio %x write %d\n", gp->addr, active);
181 }
182
183 static int check_audio_gpio(struct pmac_gpio *gp)
184 {
185 int ret;
186
187 if (! gp->addr)
188 return 0;
189
190 ret = do_gpio_read(gp);
191
192 return (ret & 0x1) == (gp->active_val & 0x1);
193 }
194
195 static int read_audio_gpio(struct pmac_gpio *gp)
196 {
197 int ret;
198 if (! gp->addr)
199 return 0;
200 ret = do_gpio_read(gp);
201 ret = (ret & 0x02) !=0;
202 return ret == gp->active_state;
203 }
204
205 /*
206 * update master volume
207 */
208 static int tumbler_set_master_volume(struct pmac_tumbler *mix)
209 {
210 unsigned char block[6];
211 unsigned int left_vol, right_vol;
212
213 if (! mix->i2c.client)
214 return -ENODEV;
215
216 if (! mix->master_switch[0])
217 left_vol = 0;
218 else {
219 left_vol = mix->master_vol[0];
220 if (left_vol >= ARRAY_SIZE(master_volume_table))
221 left_vol = ARRAY_SIZE(master_volume_table) - 1;
222 left_vol = master_volume_table[left_vol];
223 }
224 if (! mix->master_switch[1])
225 right_vol = 0;
226 else {
227 right_vol = mix->master_vol[1];
228 if (right_vol >= ARRAY_SIZE(master_volume_table))
229 right_vol = ARRAY_SIZE(master_volume_table) - 1;
230 right_vol = master_volume_table[right_vol];
231 }
232
233 block[0] = (left_vol >> 16) & 0xff;
234 block[1] = (left_vol >> 8) & 0xff;
235 block[2] = (left_vol >> 0) & 0xff;
236
237 block[3] = (right_vol >> 16) & 0xff;
238 block[4] = (right_vol >> 8) & 0xff;
239 block[5] = (right_vol >> 0) & 0xff;
240
241 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6,
242 block) < 0) {
243 snd_printk(KERN_ERR "failed to set volume \n");
244 return -EINVAL;
245 }
246 return 0;
247 }
248
249
250 /* output volume */
251 static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol,
252 struct snd_ctl_elem_info *uinfo)
253 {
254 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
255 uinfo->count = 2;
256 uinfo->value.integer.min = 0;
257 uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1;
258 return 0;
259 }
260
261 static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol,
262 struct snd_ctl_elem_value *ucontrol)
263 {
264 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
265 struct pmac_tumbler *mix = chip->mixer_data;
266
267 ucontrol->value.integer.value[0] = mix->master_vol[0];
268 ucontrol->value.integer.value[1] = mix->master_vol[1];
269 return 0;
270 }
271
272 static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol,
273 struct snd_ctl_elem_value *ucontrol)
274 {
275 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
276 struct pmac_tumbler *mix = chip->mixer_data;
277 unsigned int vol[2];
278 int change;
279
280 vol[0] = ucontrol->value.integer.value[0];
281 vol[1] = ucontrol->value.integer.value[1];
282 if (vol[0] >= ARRAY_SIZE(master_volume_table) ||
283 vol[1] >= ARRAY_SIZE(master_volume_table))
284 return -EINVAL;
285 change = mix->master_vol[0] != vol[0] ||
286 mix->master_vol[1] != vol[1];
287 if (change) {
288 mix->master_vol[0] = vol[0];
289 mix->master_vol[1] = vol[1];
290 tumbler_set_master_volume(mix);
291 }
292 return change;
293 }
294
295 /* output switch */
296 static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol,
297 struct snd_ctl_elem_value *ucontrol)
298 {
299 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
300 struct pmac_tumbler *mix = chip->mixer_data;
301
302 ucontrol->value.integer.value[0] = mix->master_switch[0];
303 ucontrol->value.integer.value[1] = mix->master_switch[1];
304 return 0;
305 }
306
307 static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol,
308 struct snd_ctl_elem_value *ucontrol)
309 {
310 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
311 struct pmac_tumbler *mix = chip->mixer_data;
312 int change;
313
314 change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
315 mix->master_switch[1] != ucontrol->value.integer.value[1];
316 if (change) {
317 mix->master_switch[0] = !!ucontrol->value.integer.value[0];
318 mix->master_switch[1] = !!ucontrol->value.integer.value[1];
319 tumbler_set_master_volume(mix);
320 }
321 return change;
322 }
323
324
325 /*
326 * TAS3001c dynamic range compression
327 */
328
329 #define TAS3001_DRC_MAX 0x5f
330
331 static int tumbler_set_drc(struct pmac_tumbler *mix)
332 {
333 unsigned char val[2];
334
335 if (! mix->i2c.client)
336 return -ENODEV;
337
338 if (mix->drc_enable) {
339 val[0] = 0xc1; /* enable, 3:1 compression */
340 if (mix->drc_range > TAS3001_DRC_MAX)
341 val[1] = 0xf0;
342 else if (mix->drc_range < 0)
343 val[1] = 0x91;
344 else
345 val[1] = mix->drc_range + 0x91;
346 } else {
347 val[0] = 0;
348 val[1] = 0;
349 }
350
351 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
352 2, val) < 0) {
353 snd_printk(KERN_ERR "failed to set DRC\n");
354 return -EINVAL;
355 }
356 return 0;
357 }
358
359 /*
360 * TAS3004
361 */
362
363 #define TAS3004_DRC_MAX 0xef
364
365 static int snapper_set_drc(struct pmac_tumbler *mix)
366 {
367 unsigned char val[6];
368
369 if (! mix->i2c.client)
370 return -ENODEV;
371
372 if (mix->drc_enable)
373 val[0] = 0x50; /* 3:1 above threshold */
374 else
375 val[0] = 0x51; /* disabled */
376 val[1] = 0x02; /* 1:1 below threshold */
377 if (mix->drc_range > 0xef)
378 val[2] = 0xef;
379 else if (mix->drc_range < 0)
380 val[2] = 0x00;
381 else
382 val[2] = mix->drc_range;
383 val[3] = 0xb0;
384 val[4] = 0x60;
385 val[5] = 0xa0;
386
387 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
388 6, val) < 0) {
389 snd_printk(KERN_ERR "failed to set DRC\n");
390 return -EINVAL;
391 }
392 return 0;
393 }
394
395 static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol,
396 struct snd_ctl_elem_info *uinfo)
397 {
398 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
399 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
400 uinfo->count = 1;
401 uinfo->value.integer.min = 0;
402 uinfo->value.integer.max =
403 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
404 return 0;
405 }
406
407 static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol,
408 struct snd_ctl_elem_value *ucontrol)
409 {
410 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
411 struct pmac_tumbler *mix;
412 if (! (mix = chip->mixer_data))
413 return -ENODEV;
414 ucontrol->value.integer.value[0] = mix->drc_range;
415 return 0;
416 }
417
418 static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol,
419 struct snd_ctl_elem_value *ucontrol)
420 {
421 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
422 struct pmac_tumbler *mix;
423 unsigned int val;
424 int change;
425
426 if (! (mix = chip->mixer_data))
427 return -ENODEV;
428 val = ucontrol->value.integer.value[0];
429 if (chip->model == PMAC_TUMBLER) {
430 if (val > TAS3001_DRC_MAX)
431 return -EINVAL;
432 } else {
433 if (val > TAS3004_DRC_MAX)
434 return -EINVAL;
435 }
436 change = mix->drc_range != val;
437 if (change) {
438 mix->drc_range = val;
439 if (chip->model == PMAC_TUMBLER)
440 tumbler_set_drc(mix);
441 else
442 snapper_set_drc(mix);
443 }
444 return change;
445 }
446
447 static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol,
448 struct snd_ctl_elem_value *ucontrol)
449 {
450 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
451 struct pmac_tumbler *mix;
452 if (! (mix = chip->mixer_data))
453 return -ENODEV;
454 ucontrol->value.integer.value[0] = mix->drc_enable;
455 return 0;
456 }
457
458 static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol,
459 struct snd_ctl_elem_value *ucontrol)
460 {
461 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
462 struct pmac_tumbler *mix;
463 int change;
464
465 if (! (mix = chip->mixer_data))
466 return -ENODEV;
467 change = mix->drc_enable != ucontrol->value.integer.value[0];
468 if (change) {
469 mix->drc_enable = !!ucontrol->value.integer.value[0];
470 if (chip->model == PMAC_TUMBLER)
471 tumbler_set_drc(mix);
472 else
473 snapper_set_drc(mix);
474 }
475 return change;
476 }
477
478
479 /*
480 * mono volumes
481 */
482
483 struct tumbler_mono_vol {
484 int index;
485 int reg;
486 int bytes;
487 unsigned int max;
488 unsigned int *table;
489 };
490
491 static int tumbler_set_mono_volume(struct pmac_tumbler *mix,
492 struct tumbler_mono_vol *info)
493 {
494 unsigned char block[4];
495 unsigned int vol;
496 int i;
497
498 if (! mix->i2c.client)
499 return -ENODEV;
500
501 vol = mix->mono_vol[info->index];
502 if (vol >= info->max)
503 vol = info->max - 1;
504 vol = info->table[vol];
505 for (i = 0; i < info->bytes; i++)
506 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
507 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg,
508 info->bytes, block) < 0) {
509 snd_printk(KERN_ERR "failed to set mono volume %d\n",
510 info->index);
511 return -EINVAL;
512 }
513 return 0;
514 }
515
516 static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
517 struct snd_ctl_elem_info *uinfo)
518 {
519 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
520
521 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
522 uinfo->count = 1;
523 uinfo->value.integer.min = 0;
524 uinfo->value.integer.max = info->max - 1;
525 return 0;
526 }
527
528 static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
529 struct snd_ctl_elem_value *ucontrol)
530 {
531 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
532 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
533 struct pmac_tumbler *mix;
534 if (! (mix = chip->mixer_data))
535 return -ENODEV;
536 ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
537 return 0;
538 }
539
540 static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
541 struct snd_ctl_elem_value *ucontrol)
542 {
543 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
544 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
545 struct pmac_tumbler *mix;
546 unsigned int vol;
547 int change;
548
549 if (! (mix = chip->mixer_data))
550 return -ENODEV;
551 vol = ucontrol->value.integer.value[0];
552 if (vol >= info->max)
553 return -EINVAL;
554 change = mix->mono_vol[info->index] != vol;
555 if (change) {
556 mix->mono_vol[info->index] = vol;
557 tumbler_set_mono_volume(mix, info);
558 }
559 return change;
560 }
561
562 /* TAS3001c mono volumes */
563 static struct tumbler_mono_vol tumbler_pcm_vol_info = {
564 .index = VOL_IDX_PCM_MONO,
565 .reg = TAS_REG_PCM,
566 .bytes = 3,
567 .max = ARRAY_SIZE(mixer_volume_table),
568 .table = mixer_volume_table,
569 };
570
571 static struct tumbler_mono_vol tumbler_bass_vol_info = {
572 .index = VOL_IDX_BASS,
573 .reg = TAS_REG_BASS,
574 .bytes = 1,
575 .max = ARRAY_SIZE(bass_volume_table),
576 .table = bass_volume_table,
577 };
578
579 static struct tumbler_mono_vol tumbler_treble_vol_info = {
580 .index = VOL_IDX_TREBLE,
581 .reg = TAS_REG_TREBLE,
582 .bytes = 1,
583 .max = ARRAY_SIZE(treble_volume_table),
584 .table = treble_volume_table,
585 };
586
587 /* TAS3004 mono volumes */
588 static struct tumbler_mono_vol snapper_bass_vol_info = {
589 .index = VOL_IDX_BASS,
590 .reg = TAS_REG_BASS,
591 .bytes = 1,
592 .max = ARRAY_SIZE(snapper_bass_volume_table),
593 .table = snapper_bass_volume_table,
594 };
595
596 static struct tumbler_mono_vol snapper_treble_vol_info = {
597 .index = VOL_IDX_TREBLE,
598 .reg = TAS_REG_TREBLE,
599 .bytes = 1,
600 .max = ARRAY_SIZE(snapper_treble_volume_table),
601 .table = snapper_treble_volume_table,
602 };
603
604
605 #define DEFINE_MONO(xname,type) { \
606 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
607 .name = xname, \
608 .info = tumbler_info_mono, \
609 .get = tumbler_get_mono, \
610 .put = tumbler_put_mono, \
611 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
612 }
613
614 #define DEFINE_SNAPPER_MONO(xname,type) { \
615 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
616 .name = xname, \
617 .info = tumbler_info_mono, \
618 .get = tumbler_get_mono, \
619 .put = tumbler_put_mono, \
620 .private_value = (unsigned long)(&snapper_##type##_vol_info), \
621 }
622
623
624 /*
625 * snapper mixer volumes
626 */
627
628 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
629 {
630 int i, j, vol;
631 unsigned char block[9];
632
633 vol = mix->mix_vol[idx][ch];
634 if (vol >= ARRAY_SIZE(mixer_volume_table)) {
635 vol = ARRAY_SIZE(mixer_volume_table) - 1;
636 mix->mix_vol[idx][ch] = vol;
637 }
638
639 for (i = 0; i < 3; i++) {
640 vol = mix->mix_vol[i][ch];
641 vol = mixer_volume_table[vol];
642 for (j = 0; j < 3; j++)
643 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
644 }
645 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
646 9, block) < 0) {
647 snd_printk(KERN_ERR "failed to set mono volume %d\n", reg);
648 return -EINVAL;
649 }
650 return 0;
651 }
652
653 static 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
663 static 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
673 static 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 if (! (mix = chip->mixer_data))
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
686 static 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 if (! (mix = chip->mixer_data))
696 return -ENODEV;
697 vol[0] = ucontrol->value.integer.value[0];
698 vol[1] = ucontrol->value.integer.value[1];
699 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
700 vol[1] >= ARRAY_SIZE(mixer_volume_table))
701 return -EINVAL;
702 change = mix->mix_vol[idx][0] != vol[0] ||
703 mix->mix_vol[idx][1] != vol[1];
704 if (change) {
705 mix->mix_vol[idx][0] = vol[0];
706 mix->mix_vol[idx][1] = vol[1];
707 snapper_set_mix_vol(mix, idx);
708 }
709 return change;
710 }
711
712
713 /*
714 * mute switches. FIXME: Turn that into software mute when both outputs are muted
715 * to avoid codec reset on ibook M7
716 */
717
718 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
719
720 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
721 struct snd_ctl_elem_value *ucontrol)
722 {
723 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
724 struct pmac_tumbler *mix;
725 struct pmac_gpio *gp;
726 if (! (mix = chip->mixer_data))
727 return -ENODEV;
728 switch(kcontrol->private_value) {
729 case TUMBLER_MUTE_HP:
730 gp = &mix->hp_mute; break;
731 case TUMBLER_MUTE_AMP:
732 gp = &mix->amp_mute; break;
733 case TUMBLER_MUTE_LINE:
734 gp = &mix->line_mute; break;
735 default:
736 gp = NULL;
737 }
738 if (gp == NULL)
739 return -EINVAL;
740 ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
741 return 0;
742 }
743
744 static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
745 struct snd_ctl_elem_value *ucontrol)
746 {
747 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
748 struct pmac_tumbler *mix;
749 struct pmac_gpio *gp;
750 int val;
751 #ifdef PMAC_SUPPORT_AUTOMUTE
752 if (chip->update_automute && chip->auto_mute)
753 return 0; /* don't touch in the auto-mute mode */
754 #endif
755 if (! (mix = chip->mixer_data))
756 return -ENODEV;
757 switch(kcontrol->private_value) {
758 case TUMBLER_MUTE_HP:
759 gp = &mix->hp_mute; break;
760 case TUMBLER_MUTE_AMP:
761 gp = &mix->amp_mute; break;
762 case TUMBLER_MUTE_LINE:
763 gp = &mix->line_mute; break;
764 default:
765 gp = NULL;
766 }
767 if (gp == NULL)
768 return -EINVAL;
769 val = ! check_audio_gpio(gp);
770 if (val != ucontrol->value.integer.value[0]) {
771 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
772 return 1;
773 }
774 return 0;
775 }
776
777 static int snapper_set_capture_source(struct pmac_tumbler *mix)
778 {
779 if (! mix->i2c.client)
780 return -ENODEV;
781 if (mix->capture_source)
782 mix->acs = mix->acs |= 2;
783 else
784 mix->acs &= ~2;
785 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
786 }
787
788 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
789 struct snd_ctl_elem_info *uinfo)
790 {
791 static char *texts[2] = {
792 "Line", "Mic"
793 };
794 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
795 uinfo->count = 1;
796 uinfo->value.enumerated.items = 2;
797 if (uinfo->value.enumerated.item > 1)
798 uinfo->value.enumerated.item = 1;
799 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
800 return 0;
801 }
802
803 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
804 struct snd_ctl_elem_value *ucontrol)
805 {
806 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
807 struct pmac_tumbler *mix = chip->mixer_data;
808
809 ucontrol->value.enumerated.item[0] = mix->capture_source;
810 return 0;
811 }
812
813 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
814 struct snd_ctl_elem_value *ucontrol)
815 {
816 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
817 struct pmac_tumbler *mix = chip->mixer_data;
818 int change;
819
820 change = ucontrol->value.enumerated.item[0] != mix->capture_source;
821 if (change) {
822 mix->capture_source = !!ucontrol->value.enumerated.item[0];
823 snapper_set_capture_source(mix);
824 }
825 return change;
826 }
827
828 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
829 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
830 .name = xname, \
831 .info = snapper_info_mix, \
832 .get = snapper_get_mix, \
833 .put = snapper_put_mix, \
834 .index = idx,\
835 .private_value = ofs, \
836 }
837
838
839 /*
840 */
841 static struct snd_kcontrol_new tumbler_mixers[] __devinitdata = {
842 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
843 .name = "Master Playback Volume",
844 .info = tumbler_info_master_volume,
845 .get = tumbler_get_master_volume,
846 .put = tumbler_put_master_volume
847 },
848 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
849 .name = "Master Playback Switch",
850 .info = snd_pmac_boolean_stereo_info,
851 .get = tumbler_get_master_switch,
852 .put = tumbler_put_master_switch
853 },
854 DEFINE_MONO("Tone Control - Bass", bass),
855 DEFINE_MONO("Tone Control - Treble", treble),
856 DEFINE_MONO("PCM Playback Volume", pcm),
857 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
858 .name = "DRC Range",
859 .info = tumbler_info_drc_value,
860 .get = tumbler_get_drc_value,
861 .put = tumbler_put_drc_value
862 },
863 };
864
865 static struct snd_kcontrol_new snapper_mixers[] __devinitdata = {
866 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
867 .name = "Master Playback Volume",
868 .info = tumbler_info_master_volume,
869 .get = tumbler_get_master_volume,
870 .put = tumbler_put_master_volume
871 },
872 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
873 .name = "Master Playback Switch",
874 .info = snd_pmac_boolean_stereo_info,
875 .get = tumbler_get_master_switch,
876 .put = tumbler_put_master_switch
877 },
878 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
879 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
880 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2),
881 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
882 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
883 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
884 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
885 .name = "DRC Range",
886 .info = tumbler_info_drc_value,
887 .get = tumbler_get_drc_value,
888 .put = tumbler_put_drc_value
889 },
890 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
891 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
892 .info = snapper_info_capture_source,
893 .get = snapper_get_capture_source,
894 .put = snapper_put_capture_source
895 },
896 };
897
898 static struct snd_kcontrol_new tumbler_hp_sw __devinitdata = {
899 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
900 .name = "Headphone Playback Switch",
901 .info = snd_pmac_boolean_mono_info,
902 .get = tumbler_get_mute_switch,
903 .put = tumbler_put_mute_switch,
904 .private_value = TUMBLER_MUTE_HP,
905 };
906 static struct snd_kcontrol_new tumbler_speaker_sw __devinitdata = {
907 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
908 .name = "PC Speaker Playback Switch",
909 .info = snd_pmac_boolean_mono_info,
910 .get = tumbler_get_mute_switch,
911 .put = tumbler_put_mute_switch,
912 .private_value = TUMBLER_MUTE_AMP,
913 };
914 static struct snd_kcontrol_new tumbler_lineout_sw __devinitdata = {
915 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
916 .name = "Line Out Playback Switch",
917 .info = snd_pmac_boolean_mono_info,
918 .get = tumbler_get_mute_switch,
919 .put = tumbler_put_mute_switch,
920 .private_value = TUMBLER_MUTE_LINE,
921 };
922 static struct snd_kcontrol_new tumbler_drc_sw __devinitdata = {
923 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
924 .name = "DRC Switch",
925 .info = snd_pmac_boolean_mono_info,
926 .get = tumbler_get_drc_switch,
927 .put = tumbler_put_drc_switch
928 };
929
930
931 #ifdef PMAC_SUPPORT_AUTOMUTE
932 /*
933 * auto-mute stuffs
934 */
935 static int tumbler_detect_headphone(struct snd_pmac *chip)
936 {
937 struct pmac_tumbler *mix = chip->mixer_data;
938 int detect = 0;
939
940 if (mix->hp_detect.addr)
941 detect |= read_audio_gpio(&mix->hp_detect);
942 return detect;
943 }
944
945 static int tumbler_detect_lineout(struct snd_pmac *chip)
946 {
947 struct pmac_tumbler *mix = chip->mixer_data;
948 int detect = 0;
949
950 if (mix->line_detect.addr)
951 detect |= read_audio_gpio(&mix->line_detect);
952 return detect;
953 }
954
955 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
956 struct snd_kcontrol *sw)
957 {
958 if (check_audio_gpio(gp) != val) {
959 write_audio_gpio(gp, val);
960 if (do_notify)
961 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
962 &sw->id);
963 }
964 }
965
966 static struct work_struct device_change;
967 static struct snd_pmac *device_change_chip;
968
969 static void device_change_handler(struct work_struct *work)
970 {
971 struct snd_pmac *chip = device_change_chip;
972 struct pmac_tumbler *mix;
973 int headphone, lineout;
974
975 if (!chip)
976 return;
977
978 mix = chip->mixer_data;
979 if (snd_BUG_ON(!mix))
980 return;
981
982 headphone = tumbler_detect_headphone(chip);
983 lineout = tumbler_detect_lineout(chip);
984
985 DBG("headphone: %d, lineout: %d\n", headphone, lineout);
986
987 if (headphone || lineout) {
988 /* unmute headphone/lineout & mute speaker */
989 if (headphone)
990 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
991 chip->master_sw_ctl);
992 if (lineout && mix->line_mute.addr != 0)
993 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
994 chip->lineout_sw_ctl);
995 if (mix->anded_reset)
996 msleep(10);
997 check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify,
998 chip->speaker_sw_ctl);
999 } else {
1000 /* unmute speaker, mute others */
1001 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
1002 chip->speaker_sw_ctl);
1003 if (mix->anded_reset)
1004 msleep(10);
1005 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
1006 chip->master_sw_ctl);
1007 if (mix->line_mute.addr != 0)
1008 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
1009 chip->lineout_sw_ctl);
1010 }
1011 if (mix->auto_mute_notify)
1012 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1013 &chip->hp_detect_ctl->id);
1014
1015 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1016 mix->drc_enable = ! (headphone || lineout);
1017 if (mix->auto_mute_notify)
1018 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1019 &chip->drc_sw_ctl->id);
1020 if (chip->model == PMAC_TUMBLER)
1021 tumbler_set_drc(mix);
1022 else
1023 snapper_set_drc(mix);
1024 #endif
1025
1026 /* reset the master volume so the correct amplification is applied */
1027 tumbler_set_master_volume(mix);
1028 }
1029
1030 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1031 {
1032 if (chip->auto_mute) {
1033 struct pmac_tumbler *mix;
1034 mix = chip->mixer_data;
1035 if (snd_BUG_ON(!mix))
1036 return;
1037 mix->auto_mute_notify = do_notify;
1038 schedule_work(&device_change);
1039 }
1040 }
1041 #endif /* PMAC_SUPPORT_AUTOMUTE */
1042
1043
1044 /* interrupt - headphone plug changed */
1045 static irqreturn_t headphone_intr(int irq, void *devid)
1046 {
1047 struct snd_pmac *chip = devid;
1048 if (chip->update_automute && chip->initialized) {
1049 chip->update_automute(chip, 1);
1050 return IRQ_HANDLED;
1051 }
1052 return IRQ_NONE;
1053 }
1054
1055 /* look for audio-gpio device */
1056 static struct device_node *find_audio_device(const char *name)
1057 {
1058 struct device_node *gpiop;
1059 struct device_node *np;
1060
1061 gpiop = of_find_node_by_name(NULL, "gpio");
1062 if (! gpiop)
1063 return NULL;
1064
1065 for (np = of_get_next_child(gpiop, NULL); np;
1066 np = of_get_next_child(gpiop, np)) {
1067 const char *property = of_get_property(np, "audio-gpio", NULL);
1068 if (property && strcmp(property, name) == 0)
1069 break;
1070 }
1071 of_node_put(gpiop);
1072 return np;
1073 }
1074
1075 /* look for audio-gpio device */
1076 static struct device_node *find_compatible_audio_device(const char *name)
1077 {
1078 struct device_node *gpiop;
1079 struct device_node *np;
1080
1081 gpiop = of_find_node_by_name(NULL, "gpio");
1082 if (!gpiop)
1083 return NULL;
1084
1085 for (np = of_get_next_child(gpiop, NULL); np;
1086 np = of_get_next_child(gpiop, np)) {
1087 if (of_device_is_compatible(np, name))
1088 break;
1089 }
1090 of_node_put(gpiop);
1091 return np;
1092 }
1093
1094 /* find an audio device and get its address */
1095 static long tumbler_find_device(const char *device, const char *platform,
1096 struct pmac_gpio *gp, int is_compatible)
1097 {
1098 struct device_node *node;
1099 const u32 *base;
1100 u32 addr;
1101 long ret;
1102
1103 if (is_compatible)
1104 node = find_compatible_audio_device(device);
1105 else
1106 node = find_audio_device(device);
1107 if (! node) {
1108 DBG("(W) cannot find audio device %s !\n", device);
1109 snd_printdd("cannot find device %s\n", device);
1110 return -ENODEV;
1111 }
1112
1113 base = of_get_property(node, "AAPL,address", NULL);
1114 if (! base) {
1115 base = of_get_property(node, "reg", NULL);
1116 if (!base) {
1117 DBG("(E) cannot find address for device %s !\n", device);
1118 snd_printd("cannot find address for device %s\n", device);
1119 of_node_put(node);
1120 return -ENODEV;
1121 }
1122 addr = *base;
1123 if (addr < 0x50)
1124 addr += 0x50;
1125 } else
1126 addr = *base;
1127
1128 gp->addr = addr & 0x0000ffff;
1129 /* Try to find the active state, default to 0 ! */
1130 base = of_get_property(node, "audio-gpio-active-state", NULL);
1131 if (base) {
1132 gp->active_state = *base;
1133 gp->active_val = (*base) ? 0x5 : 0x4;
1134 gp->inactive_val = (*base) ? 0x4 : 0x5;
1135 } else {
1136 const u32 *prop = NULL;
1137 gp->active_state = 0;
1138 gp->active_val = 0x4;
1139 gp->inactive_val = 0x5;
1140 /* Here are some crude hacks to extract the GPIO polarity and
1141 * open collector informations out of the do-platform script
1142 * as we don't yet have an interpreter for these things
1143 */
1144 if (platform)
1145 prop = of_get_property(node, platform, NULL);
1146 if (prop) {
1147 if (prop[3] == 0x9 && prop[4] == 0x9) {
1148 gp->active_val = 0xd;
1149 gp->inactive_val = 0xc;
1150 }
1151 if (prop[3] == 0x1 && prop[4] == 0x1) {
1152 gp->active_val = 0x5;
1153 gp->inactive_val = 0x4;
1154 }
1155 }
1156 }
1157
1158 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
1159 device, gp->addr, gp->active_state);
1160
1161 ret = irq_of_parse_and_map(node, 0);
1162 of_node_put(node);
1163 return ret;
1164 }
1165
1166 /* reset audio */
1167 static void tumbler_reset_audio(struct snd_pmac *chip)
1168 {
1169 struct pmac_tumbler *mix = chip->mixer_data;
1170
1171 if (mix->anded_reset) {
1172 DBG("(I) codec anded reset !\n");
1173 write_audio_gpio(&mix->hp_mute, 0);
1174 write_audio_gpio(&mix->amp_mute, 0);
1175 msleep(200);
1176 write_audio_gpio(&mix->hp_mute, 1);
1177 write_audio_gpio(&mix->amp_mute, 1);
1178 msleep(100);
1179 write_audio_gpio(&mix->hp_mute, 0);
1180 write_audio_gpio(&mix->amp_mute, 0);
1181 msleep(100);
1182 } else {
1183 DBG("(I) codec normal reset !\n");
1184
1185 write_audio_gpio(&mix->audio_reset, 0);
1186 msleep(200);
1187 write_audio_gpio(&mix->audio_reset, 1);
1188 msleep(100);
1189 write_audio_gpio(&mix->audio_reset, 0);
1190 msleep(100);
1191 }
1192 }
1193
1194 #ifdef CONFIG_PM
1195 /* suspend mixer */
1196 static void tumbler_suspend(struct snd_pmac *chip)
1197 {
1198 struct pmac_tumbler *mix = chip->mixer_data;
1199
1200 if (mix->headphone_irq >= 0)
1201 disable_irq(mix->headphone_irq);
1202 if (mix->lineout_irq >= 0)
1203 disable_irq(mix->lineout_irq);
1204 mix->save_master_switch[0] = mix->master_switch[0];
1205 mix->save_master_switch[1] = mix->master_switch[1];
1206 mix->save_master_vol[0] = mix->master_vol[0];
1207 mix->save_master_vol[1] = mix->master_vol[1];
1208 mix->master_switch[0] = mix->master_switch[1] = 0;
1209 tumbler_set_master_volume(mix);
1210 if (!mix->anded_reset) {
1211 write_audio_gpio(&mix->amp_mute, 1);
1212 write_audio_gpio(&mix->hp_mute, 1);
1213 }
1214 if (chip->model == PMAC_SNAPPER) {
1215 mix->acs |= 1;
1216 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1217 }
1218 if (mix->anded_reset) {
1219 write_audio_gpio(&mix->amp_mute, 1);
1220 write_audio_gpio(&mix->hp_mute, 1);
1221 } else
1222 write_audio_gpio(&mix->audio_reset, 1);
1223 }
1224
1225 /* resume mixer */
1226 static void tumbler_resume(struct snd_pmac *chip)
1227 {
1228 struct pmac_tumbler *mix = chip->mixer_data;
1229
1230 mix->acs &= ~1;
1231 mix->master_switch[0] = mix->save_master_switch[0];
1232 mix->master_switch[1] = mix->save_master_switch[1];
1233 mix->master_vol[0] = mix->save_master_vol[0];
1234 mix->master_vol[1] = mix->save_master_vol[1];
1235 tumbler_reset_audio(chip);
1236 if (mix->i2c.client && mix->i2c.init_client) {
1237 if (mix->i2c.init_client(&mix->i2c) < 0)
1238 printk(KERN_ERR "tumbler_init_client error\n");
1239 } else
1240 printk(KERN_ERR "tumbler: i2c is not initialized\n");
1241 if (chip->model == PMAC_TUMBLER) {
1242 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1243 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1244 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1245 tumbler_set_drc(mix);
1246 } else {
1247 snapper_set_mix_vol(mix, VOL_IDX_PCM);
1248 snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1249 snapper_set_mix_vol(mix, VOL_IDX_ADC);
1250 tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1251 tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1252 snapper_set_drc(mix);
1253 snapper_set_capture_source(mix);
1254 }
1255 tumbler_set_master_volume(mix);
1256 if (chip->update_automute)
1257 chip->update_automute(chip, 0);
1258 if (mix->headphone_irq >= 0) {
1259 unsigned char val;
1260
1261 enable_irq(mix->headphone_irq);
1262 /* activate headphone status interrupts */
1263 val = do_gpio_read(&mix->hp_detect);
1264 do_gpio_write(&mix->hp_detect, val | 0x80);
1265 }
1266 if (mix->lineout_irq >= 0)
1267 enable_irq(mix->lineout_irq);
1268 }
1269 #endif
1270
1271 /* initialize tumbler */
1272 static int __devinit tumbler_init(struct snd_pmac *chip)
1273 {
1274 int irq;
1275 struct pmac_tumbler *mix = chip->mixer_data;
1276
1277 if (tumbler_find_device("audio-hw-reset",
1278 "platform-do-hw-reset",
1279 &mix->audio_reset, 0) < 0)
1280 tumbler_find_device("hw-reset",
1281 "platform-do-hw-reset",
1282 &mix->audio_reset, 1);
1283 if (tumbler_find_device("amp-mute",
1284 "platform-do-amp-mute",
1285 &mix->amp_mute, 0) < 0)
1286 tumbler_find_device("amp-mute",
1287 "platform-do-amp-mute",
1288 &mix->amp_mute, 1);
1289 if (tumbler_find_device("headphone-mute",
1290 "platform-do-headphone-mute",
1291 &mix->hp_mute, 0) < 0)
1292 tumbler_find_device("headphone-mute",
1293 "platform-do-headphone-mute",
1294 &mix->hp_mute, 1);
1295 if (tumbler_find_device("line-output-mute",
1296 "platform-do-lineout-mute",
1297 &mix->line_mute, 0) < 0)
1298 tumbler_find_device("line-output-mute",
1299 "platform-do-lineout-mute",
1300 &mix->line_mute, 1);
1301 irq = tumbler_find_device("headphone-detect",
1302 NULL, &mix->hp_detect, 0);
1303 if (irq <= NO_IRQ)
1304 irq = tumbler_find_device("headphone-detect",
1305 NULL, &mix->hp_detect, 1);
1306 if (irq <= NO_IRQ)
1307 irq = tumbler_find_device("keywest-gpio15",
1308 NULL, &mix->hp_detect, 1);
1309 mix->headphone_irq = irq;
1310 irq = tumbler_find_device("line-output-detect",
1311 NULL, &mix->line_detect, 0);
1312 if (irq <= NO_IRQ)
1313 irq = tumbler_find_device("line-output-detect",
1314 NULL, &mix->line_detect, 1);
1315 mix->lineout_irq = irq;
1316
1317 tumbler_reset_audio(chip);
1318
1319 return 0;
1320 }
1321
1322 static void tumbler_cleanup(struct snd_pmac *chip)
1323 {
1324 struct pmac_tumbler *mix = chip->mixer_data;
1325 if (! mix)
1326 return;
1327
1328 if (mix->headphone_irq >= 0)
1329 free_irq(mix->headphone_irq, chip);
1330 if (mix->lineout_irq >= 0)
1331 free_irq(mix->lineout_irq, chip);
1332 tumbler_gpio_free(&mix->audio_reset);
1333 tumbler_gpio_free(&mix->amp_mute);
1334 tumbler_gpio_free(&mix->hp_mute);
1335 tumbler_gpio_free(&mix->hp_detect);
1336 snd_pmac_keywest_cleanup(&mix->i2c);
1337 kfree(mix);
1338 chip->mixer_data = NULL;
1339 }
1340
1341 /* exported */
1342 int __devinit snd_pmac_tumbler_init(struct snd_pmac *chip)
1343 {
1344 int i, err;
1345 struct pmac_tumbler *mix;
1346 const u32 *paddr;
1347 struct device_node *tas_node, *np;
1348 char *chipname;
1349
1350 request_module("i2c-powermac");
1351
1352 mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1353 if (! mix)
1354 return -ENOMEM;
1355 mix->headphone_irq = -1;
1356
1357 chip->mixer_data = mix;
1358 chip->mixer_free = tumbler_cleanup;
1359 mix->anded_reset = 0;
1360 mix->reset_on_sleep = 1;
1361
1362 for (np = chip->node->child; np; np = np->sibling) {
1363 if (!strcmp(np->name, "sound")) {
1364 if (of_get_property(np, "has-anded-reset", NULL))
1365 mix->anded_reset = 1;
1366 if (of_get_property(np, "layout-id", NULL))
1367 mix->reset_on_sleep = 0;
1368 break;
1369 }
1370 }
1371 if ((err = tumbler_init(chip)) < 0)
1372 return err;
1373
1374 /* set up TAS */
1375 tas_node = of_find_node_by_name(NULL, "deq");
1376 if (tas_node == NULL)
1377 tas_node = of_find_node_by_name(NULL, "codec");
1378 if (tas_node == NULL)
1379 return -ENODEV;
1380
1381 paddr = of_get_property(tas_node, "i2c-address", NULL);
1382 if (paddr == NULL)
1383 paddr = of_get_property(tas_node, "reg", NULL);
1384 if (paddr)
1385 mix->i2c.addr = (*paddr) >> 1;
1386 else
1387 mix->i2c.addr = TAS_I2C_ADDR;
1388 of_node_put(tas_node);
1389
1390 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1391
1392 if (chip->model == PMAC_TUMBLER) {
1393 mix->i2c.init_client = tumbler_init_client;
1394 mix->i2c.name = "TAS3001c";
1395 chipname = "Tumbler";
1396 } else {
1397 mix->i2c.init_client = snapper_init_client;
1398 mix->i2c.name = "TAS3004";
1399 chipname = "Snapper";
1400 }
1401
1402 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
1403 return err;
1404
1405 /*
1406 * build mixers
1407 */
1408 sprintf(chip->card->mixername, "PowerMac %s", chipname);
1409
1410 if (chip->model == PMAC_TUMBLER) {
1411 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1412 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
1413 return err;
1414 }
1415 } else {
1416 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1417 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
1418 return err;
1419 }
1420 }
1421 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1422 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
1423 return err;
1424 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1425 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
1426 return err;
1427 if (mix->line_mute.addr != 0) {
1428 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1429 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0)
1430 return err;
1431 }
1432 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1433 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
1434 return err;
1435
1436 /* set initial DRC range to 60% */
1437 if (chip->model == PMAC_TUMBLER)
1438 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1439 else
1440 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1441 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1442 if (chip->model == PMAC_TUMBLER)
1443 tumbler_set_drc(mix);
1444 else
1445 snapper_set_drc(mix);
1446
1447 #ifdef CONFIG_PM
1448 chip->suspend = tumbler_suspend;
1449 chip->resume = tumbler_resume;
1450 #endif
1451
1452 INIT_WORK(&device_change, device_change_handler);
1453 device_change_chip = chip;
1454
1455 #ifdef PMAC_SUPPORT_AUTOMUTE
1456 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0)
1457 && (err = snd_pmac_add_automute(chip)) < 0)
1458 return err;
1459 chip->detect_headphone = tumbler_detect_headphone;
1460 chip->update_automute = tumbler_update_automute;
1461 tumbler_update_automute(chip, 0); /* update the status only */
1462
1463 /* activate headphone status interrupts */
1464 if (mix->headphone_irq >= 0) {
1465 unsigned char val;
1466 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0,
1467 "Sound Headphone Detection", chip)) < 0)
1468 return 0;
1469 /* activate headphone status interrupts */
1470 val = do_gpio_read(&mix->hp_detect);
1471 do_gpio_write(&mix->hp_detect, val | 0x80);
1472 }
1473 if (mix->lineout_irq >= 0) {
1474 unsigned char val;
1475 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0,
1476 "Sound Lineout Detection", chip)) < 0)
1477 return 0;
1478 /* activate headphone status interrupts */
1479 val = do_gpio_read(&mix->line_detect);
1480 do_gpio_write(&mix->line_detect, val | 0x80);
1481 }
1482 #endif
1483
1484 return 0;
1485 }
Linux with added FPC-III support