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[ARM] 5278/1: i2c-pxa fast mode support
[linux-2.6/mini2440.git] / sound / ppc / tumbler.c
blob009df8dd37a8483a10987b948ecd3329dd1e556c
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(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("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 snd_assert(mix, return -ENODEV);
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 snd_assert(mix, return -ENODEV);
281 vol[0] = ucontrol->value.integer.value[0];
282 vol[1] = ucontrol->value.integer.value[1];
283 if (vol[0] >= ARRAY_SIZE(master_volume_table) ||
284 vol[1] >= ARRAY_SIZE(master_volume_table))
285 return -EINVAL;
286 change = mix->master_vol[0] != vol[0] ||
287 mix->master_vol[1] != vol[1];
288 if (change) {
289 mix->master_vol[0] = vol[0];
290 mix->master_vol[1] = vol[1];
291 tumbler_set_master_volume(mix);
292 }
293 return change;
294 }
295
296 /* output switch */
297 static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol,
298 struct snd_ctl_elem_value *ucontrol)
299 {
300 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
301 struct pmac_tumbler *mix = chip->mixer_data;
302 snd_assert(mix, return -ENODEV);
303 ucontrol->value.integer.value[0] = mix->master_switch[0];
304 ucontrol->value.integer.value[1] = mix->master_switch[1];
305 return 0;
306 }
307
308 static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol,
309 struct snd_ctl_elem_value *ucontrol)
310 {
311 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
312 struct pmac_tumbler *mix = chip->mixer_data;
313 int change;
314
315 snd_assert(mix, return -ENODEV);
316 change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
317 mix->master_switch[1] != ucontrol->value.integer.value[1];
318 if (change) {
319 mix->master_switch[0] = !!ucontrol->value.integer.value[0];
320 mix->master_switch[1] = !!ucontrol->value.integer.value[1];
321 tumbler_set_master_volume(mix);
322 }
323 return change;
324 }
325
326
327 /*
328 * TAS3001c dynamic range compression
329 */
330
331 #define TAS3001_DRC_MAX 0x5f
332
333 static int tumbler_set_drc(struct pmac_tumbler *mix)
334 {
335 unsigned char val[2];
336
337 if (! mix->i2c.client)
338 return -ENODEV;
339
340 if (mix->drc_enable) {
341 val[0] = 0xc1; /* enable, 3:1 compression */
342 if (mix->drc_range > TAS3001_DRC_MAX)
343 val[1] = 0xf0;
344 else if (mix->drc_range < 0)
345 val[1] = 0x91;
346 else
347 val[1] = mix->drc_range + 0x91;
348 } else {
349 val[0] = 0;
350 val[1] = 0;
351 }
352
353 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
354 2, val) < 0) {
355 snd_printk("failed to set DRC\n");
356 return -EINVAL;
357 }
358 return 0;
359 }
360
361 /*
362 * TAS3004
363 */
364
365 #define TAS3004_DRC_MAX 0xef
366
367 static int snapper_set_drc(struct pmac_tumbler *mix)
368 {
369 unsigned char val[6];
370
371 if (! mix->i2c.client)
372 return -ENODEV;
373
374 if (mix->drc_enable)
375 val[0] = 0x50; /* 3:1 above threshold */
376 else
377 val[0] = 0x51; /* disabled */
378 val[1] = 0x02; /* 1:1 below threshold */
379 if (mix->drc_range > 0xef)
380 val[2] = 0xef;
381 else if (mix->drc_range < 0)
382 val[2] = 0x00;
383 else
384 val[2] = mix->drc_range;
385 val[3] = 0xb0;
386 val[4] = 0x60;
387 val[5] = 0xa0;
388
389 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
390 6, val) < 0) {
391 snd_printk("failed to set DRC\n");
392 return -EINVAL;
393 }
394 return 0;
395 }
396
397 static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol,
398 struct snd_ctl_elem_info *uinfo)
399 {
400 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
401 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
402 uinfo->count = 1;
403 uinfo->value.integer.min = 0;
404 uinfo->value.integer.max =
405 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
406 return 0;
407 }
408
409 static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol,
410 struct snd_ctl_elem_value *ucontrol)
411 {
412 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
413 struct pmac_tumbler *mix;
414 if (! (mix = chip->mixer_data))
415 return -ENODEV;
416 ucontrol->value.integer.value[0] = mix->drc_range;
417 return 0;
418 }
419
420 static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol,
421 struct snd_ctl_elem_value *ucontrol)
422 {
423 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
424 struct pmac_tumbler *mix;
425 unsigned int val;
426 int change;
427
428 if (! (mix = chip->mixer_data))
429 return -ENODEV;
430 val = ucontrol->value.integer.value[0];
431 if (chip->model == PMAC_TUMBLER) {
432 if (val > TAS3001_DRC_MAX)
433 return -EINVAL;
434 } else {
435 if (val > TAS3004_DRC_MAX)
436 return -EINVAL;
437 }
438 change = mix->drc_range != val;
439 if (change) {
440 mix->drc_range = val;
441 if (chip->model == PMAC_TUMBLER)
442 tumbler_set_drc(mix);
443 else
444 snapper_set_drc(mix);
445 }
446 return change;
447 }
448
449 static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol,
450 struct snd_ctl_elem_value *ucontrol)
451 {
452 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
453 struct pmac_tumbler *mix;
454 if (! (mix = chip->mixer_data))
455 return -ENODEV;
456 ucontrol->value.integer.value[0] = mix->drc_enable;
457 return 0;
458 }
459
460 static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol,
461 struct snd_ctl_elem_value *ucontrol)
462 {
463 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
464 struct pmac_tumbler *mix;
465 int change;
466
467 if (! (mix = chip->mixer_data))
468 return -ENODEV;
469 change = mix->drc_enable != ucontrol->value.integer.value[0];
470 if (change) {
471 mix->drc_enable = !!ucontrol->value.integer.value[0];
472 if (chip->model == PMAC_TUMBLER)
473 tumbler_set_drc(mix);
474 else
475 snapper_set_drc(mix);
476 }
477 return change;
478 }
479
480
481 /*
482 * mono volumes
483 */
484
485 struct tumbler_mono_vol {
486 int index;
487 int reg;
488 int bytes;
489 unsigned int max;
490 unsigned int *table;
491 };
492
493 static int tumbler_set_mono_volume(struct pmac_tumbler *mix,
494 struct tumbler_mono_vol *info)
495 {
496 unsigned char block[4];
497 unsigned int vol;
498 int i;
499
500 if (! mix->i2c.client)
501 return -ENODEV;
502
503 vol = mix->mono_vol[info->index];
504 if (vol >= info->max)
505 vol = info->max - 1;
506 vol = info->table[vol];
507 for (i = 0; i < info->bytes; i++)
508 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
509 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg,
510 info->bytes, block) < 0) {
511 snd_printk("failed to set mono volume %d\n", info->index);
512 return -EINVAL;
513 }
514 return 0;
515 }
516
517 static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
518 struct snd_ctl_elem_info *uinfo)
519 {
520 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
521
522 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
523 uinfo->count = 1;
524 uinfo->value.integer.min = 0;
525 uinfo->value.integer.max = info->max - 1;
526 return 0;
527 }
528
529 static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
530 struct snd_ctl_elem_value *ucontrol)
531 {
532 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
533 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
534 struct pmac_tumbler *mix;
535 if (! (mix = chip->mixer_data))
536 return -ENODEV;
537 ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
538 return 0;
539 }
540
541 static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
542 struct snd_ctl_elem_value *ucontrol)
543 {
544 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
545 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
546 struct pmac_tumbler *mix;
547 unsigned int vol;
548 int change;
549
550 if (! (mix = chip->mixer_data))
551 return -ENODEV;
552 vol = ucontrol->value.integer.value[0];
553 if (vol >= info->max)
554 return -EINVAL;
555 change = mix->mono_vol[info->index] != vol;
556 if (change) {
557 mix->mono_vol[info->index] = vol;
558 tumbler_set_mono_volume(mix, info);
559 }
560 return change;
561 }
562
563 /* TAS3001c mono volumes */
564 static struct tumbler_mono_vol tumbler_pcm_vol_info = {
565 .index = VOL_IDX_PCM_MONO,
566 .reg = TAS_REG_PCM,
567 .bytes = 3,
568 .max = ARRAY_SIZE(mixer_volume_table),
569 .table = mixer_volume_table,
570 };
571
572 static struct tumbler_mono_vol tumbler_bass_vol_info = {
573 .index = VOL_IDX_BASS,
574 .reg = TAS_REG_BASS,
575 .bytes = 1,
576 .max = ARRAY_SIZE(bass_volume_table),
577 .table = bass_volume_table,
578 };
579
580 static struct tumbler_mono_vol tumbler_treble_vol_info = {
581 .index = VOL_IDX_TREBLE,
582 .reg = TAS_REG_TREBLE,
583 .bytes = 1,
584 .max = ARRAY_SIZE(treble_volume_table),
585 .table = treble_volume_table,
586 };
587
588 /* TAS3004 mono volumes */
589 static struct tumbler_mono_vol snapper_bass_vol_info = {
590 .index = VOL_IDX_BASS,
591 .reg = TAS_REG_BASS,
592 .bytes = 1,
593 .max = ARRAY_SIZE(snapper_bass_volume_table),
594 .table = snapper_bass_volume_table,
595 };
596
597 static struct tumbler_mono_vol snapper_treble_vol_info = {
598 .index = VOL_IDX_TREBLE,
599 .reg = TAS_REG_TREBLE,
600 .bytes = 1,
601 .max = ARRAY_SIZE(snapper_treble_volume_table),
602 .table = snapper_treble_volume_table,
603 };
604
605
606 #define DEFINE_MONO(xname,type) { \
607 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
608 .name = xname, \
609 .info = tumbler_info_mono, \
610 .get = tumbler_get_mono, \
611 .put = tumbler_put_mono, \
612 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
613 }
614
615 #define DEFINE_SNAPPER_MONO(xname,type) { \
616 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
617 .name = xname, \
618 .info = tumbler_info_mono, \
619 .get = tumbler_get_mono, \
620 .put = tumbler_put_mono, \
621 .private_value = (unsigned long)(&snapper_##type##_vol_info), \
622 }
623
624
625 /*
626 * snapper mixer volumes
627 */
628
629 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
630 {
631 int i, j, vol;
632 unsigned char block[9];
633
634 vol = mix->mix_vol[idx][ch];
635 if (vol >= ARRAY_SIZE(mixer_volume_table)) {
636 vol = ARRAY_SIZE(mixer_volume_table) - 1;
637 mix->mix_vol[idx][ch] = vol;
638 }
639
640 for (i = 0; i < 3; i++) {
641 vol = mix->mix_vol[i][ch];
642 vol = mixer_volume_table[vol];
643 for (j = 0; j < 3; j++)
644 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
645 }
646 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
647 9, block) < 0) {
648 snd_printk("failed to set mono volume %d\n", reg);
649 return -EINVAL;
650 }
651 return 0;
652 }
653
654 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
655 {
656 if (! mix->i2c.client)
657 return -ENODEV;
658 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
659 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
660 return -EINVAL;
661 return 0;
662 }
663
664 static int snapper_info_mix(struct snd_kcontrol *kcontrol,
665 struct snd_ctl_elem_info *uinfo)
666 {
667 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
668 uinfo->count = 2;
669 uinfo->value.integer.min = 0;
670 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
671 return 0;
672 }
673
674 static int snapper_get_mix(struct snd_kcontrol *kcontrol,
675 struct snd_ctl_elem_value *ucontrol)
676 {
677 int idx = (int)kcontrol->private_value;
678 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
679 struct pmac_tumbler *mix;
680 if (! (mix = chip->mixer_data))
681 return -ENODEV;
682 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
683 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
684 return 0;
685 }
686
687 static int snapper_put_mix(struct snd_kcontrol *kcontrol,
688 struct snd_ctl_elem_value *ucontrol)
689 {
690 int idx = (int)kcontrol->private_value;
691 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
692 struct pmac_tumbler *mix;
693 unsigned int vol[2];
694 int change;
695
696 if (! (mix = chip->mixer_data))
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
719 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
720
721 static 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 if (! (mix = chip->mixer_data))
728 return -ENODEV;
729 switch(kcontrol->private_value) {
730 case TUMBLER_MUTE_HP:
731 gp = &mix->hp_mute; break;
732 case TUMBLER_MUTE_AMP:
733 gp = &mix->amp_mute; break;
734 case TUMBLER_MUTE_LINE:
735 gp = &mix->line_mute; break;
736 default:
737 gp = NULL;
738 }
739 if (gp == NULL)
740 return -EINVAL;
741 ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
742 return 0;
743 }
744
745 static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
746 struct snd_ctl_elem_value *ucontrol)
747 {
748 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
749 struct pmac_tumbler *mix;
750 struct pmac_gpio *gp;
751 int val;
752 #ifdef PMAC_SUPPORT_AUTOMUTE
753 if (chip->update_automute && chip->auto_mute)
754 return 0; /* don't touch in the auto-mute mode */
755 #endif
756 if (! (mix = chip->mixer_data))
757 return -ENODEV;
758 switch(kcontrol->private_value) {
759 case TUMBLER_MUTE_HP:
760 gp = &mix->hp_mute; break;
761 case TUMBLER_MUTE_AMP:
762 gp = &mix->amp_mute; break;
763 case TUMBLER_MUTE_LINE:
764 gp = &mix->line_mute; break;
765 default:
766 gp = NULL;
767 }
768 if (gp == NULL)
769 return -EINVAL;
770 val = ! check_audio_gpio(gp);
771 if (val != ucontrol->value.integer.value[0]) {
772 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
773 return 1;
774 }
775 return 0;
776 }
777
778 static int snapper_set_capture_source(struct pmac_tumbler *mix)
779 {
780 if (! mix->i2c.client)
781 return -ENODEV;
782 if (mix->capture_source)
783 mix->acs = mix->acs |= 2;
784 else
785 mix->acs &= ~2;
786 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
787 }
788
789 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
790 struct snd_ctl_elem_info *uinfo)
791 {
792 static char *texts[2] = {
793 "Line", "Mic"
794 };
795 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
796 uinfo->count = 1;
797 uinfo->value.enumerated.items = 2;
798 if (uinfo->value.enumerated.item > 1)
799 uinfo->value.enumerated.item = 1;
800 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
801 return 0;
802 }
803
804 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
805 struct snd_ctl_elem_value *ucontrol)
806 {
807 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
808 struct pmac_tumbler *mix = chip->mixer_data;
809
810 snd_assert(mix, return -ENODEV);
811 ucontrol->value.enumerated.item[0] = mix->capture_source;
812 return 0;
813 }
814
815 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
816 struct snd_ctl_elem_value *ucontrol)
817 {
818 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
819 struct pmac_tumbler *mix = chip->mixer_data;
820 int change;
821
822 snd_assert(mix, return -ENODEV);
823 change = ucontrol->value.enumerated.item[0] != mix->capture_source;
824 if (change) {
825 mix->capture_source = !!ucontrol->value.enumerated.item[0];
826 snapper_set_capture_source(mix);
827 }
828 return change;
829 }
830
831 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
832 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
833 .name = xname, \
834 .info = snapper_info_mix, \
835 .get = snapper_get_mix, \
836 .put = snapper_put_mix, \
837 .index = idx,\
838 .private_value = ofs, \
839 }
840
841
842 /*
843 */
844 static struct snd_kcontrol_new tumbler_mixers[] __initdata = {
845 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
846 .name = "Master Playback Volume",
847 .info = tumbler_info_master_volume,
848 .get = tumbler_get_master_volume,
849 .put = tumbler_put_master_volume
850 },
851 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
852 .name = "Master Playback Switch",
853 .info = snd_pmac_boolean_stereo_info,
854 .get = tumbler_get_master_switch,
855 .put = tumbler_put_master_switch
856 },
857 DEFINE_MONO("Tone Control - Bass", bass),
858 DEFINE_MONO("Tone Control - Treble", treble),
859 DEFINE_MONO("PCM Playback Volume", pcm),
860 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
861 .name = "DRC Range",
862 .info = tumbler_info_drc_value,
863 .get = tumbler_get_drc_value,
864 .put = tumbler_put_drc_value
865 },
866 };
867
868 static struct snd_kcontrol_new snapper_mixers[] __initdata = {
869 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
870 .name = "Master Playback Volume",
871 .info = tumbler_info_master_volume,
872 .get = tumbler_get_master_volume,
873 .put = tumbler_put_master_volume
874 },
875 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
876 .name = "Master Playback Switch",
877 .info = snd_pmac_boolean_stereo_info,
878 .get = tumbler_get_master_switch,
879 .put = tumbler_put_master_switch
880 },
881 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
882 DEFINE_SNAPPER_MIX("PCM Playback Volume", 1, VOL_IDX_PCM2),
883 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
884 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
885 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
886 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
887 .name = "DRC Range",
888 .info = tumbler_info_drc_value,
889 .get = tumbler_get_drc_value,
890 .put = tumbler_put_drc_value
891 },
892 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
893 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
894 .info = snapper_info_capture_source,
895 .get = snapper_get_capture_source,
896 .put = snapper_put_capture_source
897 },
898 };
899
900 static struct snd_kcontrol_new tumbler_hp_sw __initdata = {
901 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
902 .name = "Headphone Playback Switch",
903 .info = snd_pmac_boolean_mono_info,
904 .get = tumbler_get_mute_switch,
905 .put = tumbler_put_mute_switch,
906 .private_value = TUMBLER_MUTE_HP,
907 };
908 static struct snd_kcontrol_new tumbler_speaker_sw __initdata = {
909 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
910 .name = "PC Speaker Playback Switch",
911 .info = snd_pmac_boolean_mono_info,
912 .get = tumbler_get_mute_switch,
913 .put = tumbler_put_mute_switch,
914 .private_value = TUMBLER_MUTE_AMP,
915 };
916 static struct snd_kcontrol_new tumbler_lineout_sw __initdata = {
917 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
918 .name = "Line Out Playback Switch",
919 .info = snd_pmac_boolean_mono_info,
920 .get = tumbler_get_mute_switch,
921 .put = tumbler_put_mute_switch,
922 .private_value = TUMBLER_MUTE_LINE,
923 };
924 static struct snd_kcontrol_new tumbler_drc_sw __initdata = {
925 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
926 .name = "DRC Switch",
927 .info = snd_pmac_boolean_mono_info,
928 .get = tumbler_get_drc_switch,
929 .put = tumbler_put_drc_switch
930 };
931
932
933 #ifdef PMAC_SUPPORT_AUTOMUTE
934 /*
935 * auto-mute stuffs
936 */
937 static int tumbler_detect_headphone(struct snd_pmac *chip)
938 {
939 struct pmac_tumbler *mix = chip->mixer_data;
940 int detect = 0;
941
942 if (mix->hp_detect.addr)
943 detect |= read_audio_gpio(&mix->hp_detect);
944 return detect;
945 }
946
947 static int tumbler_detect_lineout(struct snd_pmac *chip)
948 {
949 struct pmac_tumbler *mix = chip->mixer_data;
950 int detect = 0;
951
952 if (mix->line_detect.addr)
953 detect |= read_audio_gpio(&mix->line_detect);
954 return detect;
955 }
956
957 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
958 struct snd_kcontrol *sw)
959 {
960 if (check_audio_gpio(gp) != val) {
961 write_audio_gpio(gp, val);
962 if (do_notify)
963 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
964 &sw->id);
965 }
966 }
967
968 static struct work_struct device_change;
969 static struct snd_pmac *device_change_chip;
970
971 static void device_change_handler(struct work_struct *work)
972 {
973 struct snd_pmac *chip = device_change_chip;
974 struct pmac_tumbler *mix;
975 int headphone, lineout;
976
977 if (!chip)
978 return;
979
980 mix = chip->mixer_data;
981 snd_assert(mix, return);
982
983 headphone = tumbler_detect_headphone(chip);
984 lineout = tumbler_detect_lineout(chip);
985
986 DBG("headphone: %d, lineout: %d\n", headphone, lineout);
987
988 if (headphone || lineout) {
989 /* unmute headphone/lineout & mute speaker */
990 if (headphone)
991 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
992 chip->master_sw_ctl);
993 if (lineout && mix->line_mute.addr != 0)
994 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
995 chip->lineout_sw_ctl);
996 if (mix->anded_reset)
997 msleep(10);
998 check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify,
999 chip->speaker_sw_ctl);
1000 } else {
1001 /* unmute speaker, mute others */
1002 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
1003 chip->speaker_sw_ctl);
1004 if (mix->anded_reset)
1005 msleep(10);
1006 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
1007 chip->master_sw_ctl);
1008 if (mix->line_mute.addr != 0)
1009 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
1010 chip->lineout_sw_ctl);
1011 }
1012 if (mix->auto_mute_notify)
1013 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1014 &chip->hp_detect_ctl->id);
1015
1016 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1017 mix->drc_enable = ! (headphone || lineout);
1018 if (mix->auto_mute_notify)
1019 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1020 &chip->drc_sw_ctl->id);
1021 if (chip->model == PMAC_TUMBLER)
1022 tumbler_set_drc(mix);
1023 else
1024 snapper_set_drc(mix);
1025 #endif
1026
1027 /* reset the master volume so the correct amplification is applied */
1028 tumbler_set_master_volume(mix);
1029 }
1030
1031 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1032 {
1033 if (chip->auto_mute) {
1034 struct pmac_tumbler *mix;
1035 mix = chip->mixer_data;
1036 snd_assert(mix, 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 snd_assert(mix, return);
1231
1232 mix->acs &= ~1;
1233 mix->master_switch[0] = mix->save_master_switch[0];
1234 mix->master_switch[1] = mix->save_master_switch[1];
1235 mix->master_vol[0] = mix->save_master_vol[0];
1236 mix->master_vol[1] = mix->save_master_vol[1];
1237 tumbler_reset_audio(chip);
1238 if (mix->i2c.client && mix->i2c.init_client) {
1239 if (mix->i2c.init_client(&mix->i2c) < 0)
1240 printk(KERN_ERR "tumbler_init_client error\n");
1241 } else
1242 printk(KERN_ERR "tumbler: i2c is not initialized\n");
1243 if (chip->model == PMAC_TUMBLER) {
1244 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1245 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1246 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1247 tumbler_set_drc(mix);
1248 } else {
1249 snapper_set_mix_vol(mix, VOL_IDX_PCM);
1250 snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1251 snapper_set_mix_vol(mix, VOL_IDX_ADC);
1252 tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1253 tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1254 snapper_set_drc(mix);
1255 snapper_set_capture_source(mix);
1256 }
1257 tumbler_set_master_volume(mix);
1258 if (chip->update_automute)
1259 chip->update_automute(chip, 0);
1260 if (mix->headphone_irq >= 0) {
1261 unsigned char val;
1262
1263 enable_irq(mix->headphone_irq);
1264 /* activate headphone status interrupts */
1265 val = do_gpio_read(&mix->hp_detect);
1266 do_gpio_write(&mix->hp_detect, val | 0x80);
1267 }
1268 if (mix->lineout_irq >= 0)
1269 enable_irq(mix->lineout_irq);
1270 }
1271 #endif
1272
1273 /* initialize tumbler */
1274 static int __init tumbler_init(struct snd_pmac *chip)
1275 {
1276 int irq;
1277 struct pmac_tumbler *mix = chip->mixer_data;
1278 snd_assert(mix, return -EINVAL);
1279
1280 if (tumbler_find_device("audio-hw-reset",
1281 "platform-do-hw-reset",
1282 &mix->audio_reset, 0) < 0)
1283 tumbler_find_device("hw-reset",
1284 "platform-do-hw-reset",
1285 &mix->audio_reset, 1);
1286 if (tumbler_find_device("amp-mute",
1287 "platform-do-amp-mute",
1288 &mix->amp_mute, 0) < 0)
1289 tumbler_find_device("amp-mute",
1290 "platform-do-amp-mute",
1291 &mix->amp_mute, 1);
1292 if (tumbler_find_device("headphone-mute",
1293 "platform-do-headphone-mute",
1294 &mix->hp_mute, 0) < 0)
1295 tumbler_find_device("headphone-mute",
1296 "platform-do-headphone-mute",
1297 &mix->hp_mute, 1);
1298 if (tumbler_find_device("line-output-mute",
1299 "platform-do-lineout-mute",
1300 &mix->line_mute, 0) < 0)
1301 tumbler_find_device("line-output-mute",
1302 "platform-do-lineout-mute",
1303 &mix->line_mute, 1);
1304 irq = tumbler_find_device("headphone-detect",
1305 NULL, &mix->hp_detect, 0);
1306 if (irq <= NO_IRQ)
1307 irq = tumbler_find_device("headphone-detect",
1308 NULL, &mix->hp_detect, 1);
1309 if (irq <= NO_IRQ)
1310 irq = tumbler_find_device("keywest-gpio15",
1311 NULL, &mix->hp_detect, 1);
1312 mix->headphone_irq = irq;
1313 irq = tumbler_find_device("line-output-detect",
1314 NULL, &mix->line_detect, 0);
1315 if (irq <= NO_IRQ)
1316 irq = tumbler_find_device("line-output-detect",
1317 NULL, &mix->line_detect, 1);
1318 mix->lineout_irq = irq;
1319
1320 tumbler_reset_audio(chip);
1321
1322 return 0;
1323 }
1324
1325 static void tumbler_cleanup(struct snd_pmac *chip)
1326 {
1327 struct pmac_tumbler *mix = chip->mixer_data;
1328 if (! mix)
1329 return;
1330
1331 if (mix->headphone_irq >= 0)
1332 free_irq(mix->headphone_irq, chip);
1333 if (mix->lineout_irq >= 0)
1334 free_irq(mix->lineout_irq, chip);
1335 tumbler_gpio_free(&mix->audio_reset);
1336 tumbler_gpio_free(&mix->amp_mute);
1337 tumbler_gpio_free(&mix->hp_mute);
1338 tumbler_gpio_free(&mix->hp_detect);
1339 snd_pmac_keywest_cleanup(&mix->i2c);
1340 kfree(mix);
1341 chip->mixer_data = NULL;
1342 }
1343
1344 /* exported */
1345 int __init snd_pmac_tumbler_init(struct snd_pmac *chip)
1346 {
1347 int i, err;
1348 struct pmac_tumbler *mix;
1349 const u32 *paddr;
1350 struct device_node *tas_node, *np;
1351 char *chipname;
1352
1353 request_module("i2c-powermac");
1354
1355 mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1356 if (! mix)
1357 return -ENOMEM;
1358 mix->headphone_irq = -1;
1359
1360 chip->mixer_data = mix;
1361 chip->mixer_free = tumbler_cleanup;
1362 mix->anded_reset = 0;
1363 mix->reset_on_sleep = 1;
1364
1365 for (np = chip->node->child; np; np = np->sibling) {
1366 if (!strcmp(np->name, "sound")) {
1367 if (of_get_property(np, "has-anded-reset", NULL))
1368 mix->anded_reset = 1;
1369 if (of_get_property(np, "layout-id", NULL))
1370 mix->reset_on_sleep = 0;
1371 break;
1372 }
1373 }
1374 if ((err = tumbler_init(chip)) < 0)
1375 return err;
1376
1377 /* set up TAS */
1378 tas_node = of_find_node_by_name(NULL, "deq");
1379 if (tas_node == NULL)
1380 tas_node = of_find_node_by_name(NULL, "codec");
1381 if (tas_node == NULL)
1382 return -ENODEV;
1383
1384 paddr = of_get_property(tas_node, "i2c-address", NULL);
1385 if (paddr == NULL)
1386 paddr = of_get_property(tas_node, "reg", NULL);
1387 if (paddr)
1388 mix->i2c.addr = (*paddr) >> 1;
1389 else
1390 mix->i2c.addr = TAS_I2C_ADDR;
1391 of_node_put(tas_node);
1392
1393 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1394
1395 if (chip->model == PMAC_TUMBLER) {
1396 mix->i2c.init_client = tumbler_init_client;
1397 mix->i2c.name = "TAS3001c";
1398 chipname = "Tumbler";
1399 } else {
1400 mix->i2c.init_client = snapper_init_client;
1401 mix->i2c.name = "TAS3004";
1402 chipname = "Snapper";
1403 }
1404
1405 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
1406 return err;
1407
1408 /*
1409 * build mixers
1410 */
1411 sprintf(chip->card->mixername, "PowerMac %s", chipname);
1412
1413 if (chip->model == PMAC_TUMBLER) {
1414 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1415 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
1416 return err;
1417 }
1418 } else {
1419 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1420 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
1421 return err;
1422 }
1423 }
1424 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1425 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
1426 return err;
1427 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1428 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
1429 return err;
1430 if (mix->line_mute.addr != 0) {
1431 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1432 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0)
1433 return err;
1434 }
1435 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1436 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
1437 return err;
1438
1439 /* set initial DRC range to 60% */
1440 if (chip->model == PMAC_TUMBLER)
1441 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1442 else
1443 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1444 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1445 if (chip->model == PMAC_TUMBLER)
1446 tumbler_set_drc(mix);
1447 else
1448 snapper_set_drc(mix);
1449
1450 #ifdef CONFIG_PM
1451 chip->suspend = tumbler_suspend;
1452 chip->resume = tumbler_resume;
1453 #endif
1454
1455 INIT_WORK(&device_change, device_change_handler);
1456 device_change_chip = chip;
1457
1458 #ifdef PMAC_SUPPORT_AUTOMUTE
1459 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0)
1460 && (err = snd_pmac_add_automute(chip)) < 0)
1461 return err;
1462 chip->detect_headphone = tumbler_detect_headphone;
1463 chip->update_automute = tumbler_update_automute;
1464 tumbler_update_automute(chip, 0); /* update the status only */
1465
1466 /* activate headphone status interrupts */
1467 if (mix->headphone_irq >= 0) {
1468 unsigned char val;
1469 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0,
1470 "Sound Headphone Detection", chip)) < 0)
1471 return 0;
1472 /* activate headphone status interrupts */
1473 val = do_gpio_read(&mix->hp_detect);
1474 do_gpio_write(&mix->hp_detect, val | 0x80);
1475 }
1476 if (mix->lineout_irq >= 0) {
1477 unsigned char val;
1478 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0,
1479 "Sound Lineout Detection", chip)) < 0)
1480 return 0;
1481 /* activate headphone status interrupts */
1482 val = do_gpio_read(&mix->line_detect);
1483 do_gpio_write(&mix->line_detect, val | 0x80);
1484 }
1485 #endif
1486
1487 return 0;
1488 }
Support for the Chinese Samsung S3C2440 based development boards