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Bug fixes
[cbs-scheduler.git] / sound / ppc / tumbler.c
blob3eb2233854166e06a7c532f9ec2d555020c7d567
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
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("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("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("failed to set mono volume %d\n", info->index);
510 return -EINVAL;
511 }
512 return 0;
513 }
514
515 static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
516 struct snd_ctl_elem_info *uinfo)
517 {
518 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
519
520 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
521 uinfo->count = 1;
522 uinfo->value.integer.min = 0;
523 uinfo->value.integer.max = info->max - 1;
524 return 0;
525 }
526
527 static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
528 struct snd_ctl_elem_value *ucontrol)
529 {
530 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
531 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
532 struct pmac_tumbler *mix;
533 if (! (mix = chip->mixer_data))
534 return -ENODEV;
535 ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
536 return 0;
537 }
538
539 static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
540 struct snd_ctl_elem_value *ucontrol)
541 {
542 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
543 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
544 struct pmac_tumbler *mix;
545 unsigned int vol;
546 int change;
547
548 if (! (mix = chip->mixer_data))
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 */
562 static 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
570 static 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
578 static 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 */
587 static 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
595 static 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
627 static 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("failed to set mono volume %d\n", reg);
647 return -EINVAL;
648 }
649 return 0;
650 }
651
652 static 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
662 static 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
672 static 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 if (! (mix = chip->mixer_data))
679 return -ENODEV;
680 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
681 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
682 return 0;
683 }
684
685 static int snapper_put_mix(struct snd_kcontrol *kcontrol,
686 struct snd_ctl_elem_value *ucontrol)
687 {
688 int idx = (int)kcontrol->private_value;
689 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
690 struct pmac_tumbler *mix;
691 unsigned int vol[2];
692 int change;
693
694 if (! (mix = chip->mixer_data))
695 return -ENODEV;
696 vol[0] = ucontrol->value.integer.value[0];
697 vol[1] = ucontrol->value.integer.value[1];
698 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
699 vol[1] >= ARRAY_SIZE(mixer_volume_table))
700 return -EINVAL;
701 change = mix->mix_vol[idx][0] != vol[0] ||
702 mix->mix_vol[idx][1] != vol[1];
703 if (change) {
704 mix->mix_vol[idx][0] = vol[0];
705 mix->mix_vol[idx][1] = vol[1];
706 snapper_set_mix_vol(mix, idx);
707 }
708 return change;
709 }
710
711
712 /*
713 * mute switches. FIXME: Turn that into software mute when both outputs are muted
714 * to avoid codec reset on ibook M7
715 */
716
717 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
718
719 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
720 struct snd_ctl_elem_value *ucontrol)
721 {
722 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
723 struct pmac_tumbler *mix;
724 struct pmac_gpio *gp;
725 if (! (mix = chip->mixer_data))
726 return -ENODEV;
727 switch(kcontrol->private_value) {
728 case TUMBLER_MUTE_HP:
729 gp = &mix->hp_mute; break;
730 case TUMBLER_MUTE_AMP:
731 gp = &mix->amp_mute; break;
732 case TUMBLER_MUTE_LINE:
733 gp = &mix->line_mute; break;
734 default:
735 gp = NULL;
736 }
737 if (gp == NULL)
738 return -EINVAL;
739 ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
740 return 0;
741 }
742
743 static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
744 struct snd_ctl_elem_value *ucontrol)
745 {
746 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
747 struct pmac_tumbler *mix;
748 struct pmac_gpio *gp;
749 int val;
750 #ifdef PMAC_SUPPORT_AUTOMUTE
751 if (chip->update_automute && chip->auto_mute)
752 return 0; /* don't touch in the auto-mute mode */
753 #endif
754 if (! (mix = chip->mixer_data))
755 return -ENODEV;
756 switch(kcontrol->private_value) {
757 case TUMBLER_MUTE_HP:
758 gp = &mix->hp_mute; break;
759 case TUMBLER_MUTE_AMP:
760 gp = &mix->amp_mute; break;
761 case TUMBLER_MUTE_LINE:
762 gp = &mix->line_mute; break;
763 default:
764 gp = NULL;
765 }
766 if (gp == NULL)
767 return -EINVAL;
768 val = ! check_audio_gpio(gp);
769 if (val != ucontrol->value.integer.value[0]) {
770 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
771 return 1;
772 }
773 return 0;
774 }
775
776 static int snapper_set_capture_source(struct pmac_tumbler *mix)
777 {
778 if (! mix->i2c.client)
779 return -ENODEV;
780 if (mix->capture_source)
781 mix->acs = mix->acs |= 2;
782 else
783 mix->acs &= ~2;
784 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
785 }
786
787 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
788 struct snd_ctl_elem_info *uinfo)
789 {
790 static char *texts[2] = {
791 "Line", "Mic"
792 };
793 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
794 uinfo->count = 1;
795 uinfo->value.enumerated.items = 2;
796 if (uinfo->value.enumerated.item > 1)
797 uinfo->value.enumerated.item = 1;
798 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
799 return 0;
800 }
801
802 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
803 struct snd_ctl_elem_value *ucontrol)
804 {
805 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
806 struct pmac_tumbler *mix = chip->mixer_data;
807
808 ucontrol->value.enumerated.item[0] = mix->capture_source;
809 return 0;
810 }
811
812 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
813 struct snd_ctl_elem_value *ucontrol)
814 {
815 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
816 struct pmac_tumbler *mix = chip->mixer_data;
817 int change;
818
819 change = ucontrol->value.enumerated.item[0] != mix->capture_source;
820 if (change) {
821 mix->capture_source = !!ucontrol->value.enumerated.item[0];
822 snapper_set_capture_source(mix);
823 }
824 return change;
825 }
826
827 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
828 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
829 .name = xname, \
830 .info = snapper_info_mix, \
831 .get = snapper_get_mix, \
832 .put = snapper_put_mix, \
833 .index = idx,\
834 .private_value = ofs, \
835 }
836
837
838 /*
839 */
840 static struct snd_kcontrol_new tumbler_mixers[] __initdata = {
841 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
842 .name = "Master Playback Volume",
843 .info = tumbler_info_master_volume,
844 .get = tumbler_get_master_volume,
845 .put = tumbler_put_master_volume
846 },
847 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
848 .name = "Master Playback Switch",
849 .info = snd_pmac_boolean_stereo_info,
850 .get = tumbler_get_master_switch,
851 .put = tumbler_put_master_switch
852 },
853 DEFINE_MONO("Tone Control - Bass", bass),
854 DEFINE_MONO("Tone Control - Treble", treble),
855 DEFINE_MONO("PCM Playback Volume", pcm),
856 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
857 .name = "DRC Range",
858 .info = tumbler_info_drc_value,
859 .get = tumbler_get_drc_value,
860 .put = tumbler_put_drc_value
861 },
862 };
863
864 static struct snd_kcontrol_new snapper_mixers[] __initdata = {
865 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
866 .name = "Master Playback Volume",
867 .info = tumbler_info_master_volume,
868 .get = tumbler_get_master_volume,
869 .put = tumbler_put_master_volume
870 },
871 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
872 .name = "Master Playback Switch",
873 .info = snd_pmac_boolean_stereo_info,
874 .get = tumbler_get_master_switch,
875 .put = tumbler_put_master_switch
876 },
877 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
878 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
879 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2),
880 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
881 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
882 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
883 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
884 .name = "DRC Range",
885 .info = tumbler_info_drc_value,
886 .get = tumbler_get_drc_value,
887 .put = tumbler_put_drc_value
888 },
889 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
890 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
891 .info = snapper_info_capture_source,
892 .get = snapper_get_capture_source,
893 .put = snapper_put_capture_source
894 },
895 };
896
897 static struct snd_kcontrol_new tumbler_hp_sw __initdata = {
898 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
899 .name = "Headphone Playback Switch",
900 .info = snd_pmac_boolean_mono_info,
901 .get = tumbler_get_mute_switch,
902 .put = tumbler_put_mute_switch,
903 .private_value = TUMBLER_MUTE_HP,
904 };
905 static struct snd_kcontrol_new tumbler_speaker_sw __initdata = {
906 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
907 .name = "PC Speaker Playback Switch",
908 .info = snd_pmac_boolean_mono_info,
909 .get = tumbler_get_mute_switch,
910 .put = tumbler_put_mute_switch,
911 .private_value = TUMBLER_MUTE_AMP,
912 };
913 static struct snd_kcontrol_new tumbler_lineout_sw __initdata = {
914 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
915 .name = "Line Out Playback Switch",
916 .info = snd_pmac_boolean_mono_info,
917 .get = tumbler_get_mute_switch,
918 .put = tumbler_put_mute_switch,
919 .private_value = TUMBLER_MUTE_LINE,
920 };
921 static struct snd_kcontrol_new tumbler_drc_sw __initdata = {
922 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
923 .name = "DRC Switch",
924 .info = snd_pmac_boolean_mono_info,
925 .get = tumbler_get_drc_switch,
926 .put = tumbler_put_drc_switch
927 };
928
929
930 #ifdef PMAC_SUPPORT_AUTOMUTE
931 /*
932 * auto-mute stuffs
933 */
934 static int tumbler_detect_headphone(struct snd_pmac *chip)
935 {
936 struct pmac_tumbler *mix = chip->mixer_data;
937 int detect = 0;
938
939 if (mix->hp_detect.addr)
940 detect |= read_audio_gpio(&mix->hp_detect);
941 return detect;
942 }
943
944 static int tumbler_detect_lineout(struct snd_pmac *chip)
945 {
946 struct pmac_tumbler *mix = chip->mixer_data;
947 int detect = 0;
948
949 if (mix->line_detect.addr)
950 detect |= read_audio_gpio(&mix->line_detect);
951 return detect;
952 }
953
954 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
955 struct snd_kcontrol *sw)
956 {
957 if (check_audio_gpio(gp) != val) {
958 write_audio_gpio(gp, val);
959 if (do_notify)
960 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
961 &sw->id);
962 }
963 }
964
965 static struct work_struct device_change;
966 static struct snd_pmac *device_change_chip;
967
968 static void device_change_handler(struct work_struct *work)
969 {
970 struct snd_pmac *chip = device_change_chip;
971 struct pmac_tumbler *mix;
972 int headphone, lineout;
973
974 if (!chip)
975 return;
976
977 mix = chip->mixer_data;
978 if (snd_BUG_ON(!mix))
979 return;
980
981 headphone = tumbler_detect_headphone(chip);
982 lineout = tumbler_detect_lineout(chip);
983
984 DBG("headphone: %d, lineout: %d\n", headphone, lineout);
985
986 if (headphone || lineout) {
987 /* unmute headphone/lineout & mute speaker */
988 if (headphone)
989 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
990 chip->master_sw_ctl);
991 if (lineout && mix->line_mute.addr != 0)
992 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
993 chip->lineout_sw_ctl);
994 if (mix->anded_reset)
995 msleep(10);
996 check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify,
997 chip->speaker_sw_ctl);
998 } else {
999 /* unmute speaker, mute others */
1000 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
1001 chip->speaker_sw_ctl);
1002 if (mix->anded_reset)
1003 msleep(10);
1004 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
1005 chip->master_sw_ctl);
1006 if (mix->line_mute.addr != 0)
1007 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
1008 chip->lineout_sw_ctl);
1009 }
1010 if (mix->auto_mute_notify)
1011 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1012 &chip->hp_detect_ctl->id);
1013
1014 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1015 mix->drc_enable = ! (headphone || lineout);
1016 if (mix->auto_mute_notify)
1017 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1018 &chip->drc_sw_ctl->id);
1019 if (chip->model == PMAC_TUMBLER)
1020 tumbler_set_drc(mix);
1021 else
1022 snapper_set_drc(mix);
1023 #endif
1024
1025 /* reset the master volume so the correct amplification is applied */
1026 tumbler_set_master_volume(mix);
1027 }
1028
1029 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1030 {
1031 if (chip->auto_mute) {
1032 struct pmac_tumbler *mix;
1033 mix = chip->mixer_data;
1034 if (snd_BUG_ON(!mix))
1035 return;
1036 mix->auto_mute_notify = do_notify;
1037 schedule_work(&device_change);
1038 }
1039 }
1040 #endif /* PMAC_SUPPORT_AUTOMUTE */
1041
1042
1043 /* interrupt - headphone plug changed */
1044 static irqreturn_t headphone_intr(int irq, void *devid)
1045 {
1046 struct snd_pmac *chip = devid;
1047 if (chip->update_automute && chip->initialized) {
1048 chip->update_automute(chip, 1);
1049 return IRQ_HANDLED;
1050 }
1051 return IRQ_NONE;
1052 }
1053
1054 /* look for audio-gpio device */
1055 static struct device_node *find_audio_device(const char *name)
1056 {
1057 struct device_node *gpiop;
1058 struct device_node *np;
1059
1060 gpiop = of_find_node_by_name(NULL, "gpio");
1061 if (! gpiop)
1062 return NULL;
1063
1064 for (np = of_get_next_child(gpiop, NULL); np;
1065 np = of_get_next_child(gpiop, np)) {
1066 const char *property = of_get_property(np, "audio-gpio", NULL);
1067 if (property && strcmp(property, name) == 0)
1068 break;
1069 }
1070 of_node_put(gpiop);
1071 return np;
1072 }
1073
1074 /* look for audio-gpio device */
1075 static struct device_node *find_compatible_audio_device(const char *name)
1076 {
1077 struct device_node *gpiop;
1078 struct device_node *np;
1079
1080 gpiop = of_find_node_by_name(NULL, "gpio");
1081 if (!gpiop)
1082 return NULL;
1083
1084 for (np = of_get_next_child(gpiop, NULL); np;
1085 np = of_get_next_child(gpiop, np)) {
1086 if (of_device_is_compatible(np, name))
1087 break;
1088 }
1089 of_node_put(gpiop);
1090 return np;
1091 }
1092
1093 /* find an audio device and get its address */
1094 static long tumbler_find_device(const char *device, const char *platform,
1095 struct pmac_gpio *gp, int is_compatible)
1096 {
1097 struct device_node *node;
1098 const u32 *base;
1099 u32 addr;
1100 long ret;
1101
1102 if (is_compatible)
1103 node = find_compatible_audio_device(device);
1104 else
1105 node = find_audio_device(device);
1106 if (! node) {
1107 DBG("(W) cannot find audio device %s !\n", device);
1108 snd_printdd("cannot find device %s\n", device);
1109 return -ENODEV;
1110 }
1111
1112 base = of_get_property(node, "AAPL,address", NULL);
1113 if (! base) {
1114 base = of_get_property(node, "reg", NULL);
1115 if (!base) {
1116 DBG("(E) cannot find address for device %s !\n", device);
1117 snd_printd("cannot find address for device %s\n", device);
1118 of_node_put(node);
1119 return -ENODEV;
1120 }
1121 addr = *base;
1122 if (addr < 0x50)
1123 addr += 0x50;
1124 } else
1125 addr = *base;
1126
1127 gp->addr = addr & 0x0000ffff;
1128 /* Try to find the active state, default to 0 ! */
1129 base = of_get_property(node, "audio-gpio-active-state", NULL);
1130 if (base) {
1131 gp->active_state = *base;
1132 gp->active_val = (*base) ? 0x5 : 0x4;
1133 gp->inactive_val = (*base) ? 0x4 : 0x5;
1134 } else {
1135 const u32 *prop = NULL;
1136 gp->active_state = 0;
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 */
1166 static 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 */
1195 static 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 */
1225 static 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 */
1271 static int __init 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 <= NO_IRQ)
1303 irq = tumbler_find_device("headphone-detect",
1304 NULL, &mix->hp_detect, 1);
1305 if (irq <= NO_IRQ)
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 <= NO_IRQ)
1312 irq = tumbler_find_device("line-output-detect",
1313 NULL, &mix->line_detect, 1);
1314 mix->lineout_irq = irq;
1315
1316 tumbler_reset_audio(chip);
1317
1318 return 0;
1319 }
1320
1321 static void tumbler_cleanup(struct snd_pmac *chip)
1322 {
1323 struct pmac_tumbler *mix = chip->mixer_data;
1324 if (! mix)
1325 return;
1326
1327 if (mix->headphone_irq >= 0)
1328 free_irq(mix->headphone_irq, chip);
1329 if (mix->lineout_irq >= 0)
1330 free_irq(mix->lineout_irq, chip);
1331 tumbler_gpio_free(&mix->audio_reset);
1332 tumbler_gpio_free(&mix->amp_mute);
1333 tumbler_gpio_free(&mix->hp_mute);
1334 tumbler_gpio_free(&mix->hp_detect);
1335 snd_pmac_keywest_cleanup(&mix->i2c);
1336 kfree(mix);
1337 chip->mixer_data = NULL;
1338 }
1339
1340 /* exported */
1341 int __init snd_pmac_tumbler_init(struct snd_pmac *chip)
1342 {
1343 int i, err;
1344 struct pmac_tumbler *mix;
1345 const u32 *paddr;
1346 struct device_node *tas_node, *np;
1347 char *chipname;
1348
1349 request_module("i2c-powermac");
1350
1351 mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1352 if (! mix)
1353 return -ENOMEM;
1354 mix->headphone_irq = -1;
1355
1356 chip->mixer_data = mix;
1357 chip->mixer_free = tumbler_cleanup;
1358 mix->anded_reset = 0;
1359 mix->reset_on_sleep = 1;
1360
1361 for (np = chip->node->child; np; np = np->sibling) {
1362 if (!strcmp(np->name, "sound")) {
1363 if (of_get_property(np, "has-anded-reset", NULL))
1364 mix->anded_reset = 1;
1365 if (of_get_property(np, "layout-id", NULL))
1366 mix->reset_on_sleep = 0;
1367 break;
1368 }
1369 }
1370 if ((err = tumbler_init(chip)) < 0)
1371 return err;
1372
1373 /* set up TAS */
1374 tas_node = of_find_node_by_name(NULL, "deq");
1375 if (tas_node == NULL)
1376 tas_node = of_find_node_by_name(NULL, "codec");
1377 if (tas_node == NULL)
1378 return -ENODEV;
1379
1380 paddr = of_get_property(tas_node, "i2c-address", NULL);
1381 if (paddr == NULL)
1382 paddr = of_get_property(tas_node, "reg", NULL);
1383 if (paddr)
1384 mix->i2c.addr = (*paddr) >> 1;
1385 else
1386 mix->i2c.addr = TAS_I2C_ADDR;
1387 of_node_put(tas_node);
1388
1389 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1390
1391 if (chip->model == PMAC_TUMBLER) {
1392 mix->i2c.init_client = tumbler_init_client;
1393 mix->i2c.name = "TAS3001c";
1394 chipname = "Tumbler";
1395 } else {
1396 mix->i2c.init_client = snapper_init_client;
1397 mix->i2c.name = "TAS3004";
1398 chipname = "Snapper";
1399 }
1400
1401 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
1402 return err;
1403
1404 /*
1405 * build mixers
1406 */
1407 sprintf(chip->card->mixername, "PowerMac %s", chipname);
1408
1409 if (chip->model == PMAC_TUMBLER) {
1410 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1411 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
1412 return err;
1413 }
1414 } else {
1415 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1416 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
1417 return err;
1418 }
1419 }
1420 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1421 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
1422 return err;
1423 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1424 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
1425 return err;
1426 if (mix->line_mute.addr != 0) {
1427 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1428 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0)
1429 return err;
1430 }
1431 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1432 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
1433 return err;
1434
1435 /* set initial DRC range to 60% */
1436 if (chip->model == PMAC_TUMBLER)
1437 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1438 else
1439 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1440 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1441 if (chip->model == PMAC_TUMBLER)
1442 tumbler_set_drc(mix);
1443 else
1444 snapper_set_drc(mix);
1445
1446 #ifdef CONFIG_PM
1447 chip->suspend = tumbler_suspend;
1448 chip->resume = tumbler_resume;
1449 #endif
1450
1451 INIT_WORK(&device_change, device_change_handler);
1452 device_change_chip = chip;
1453
1454 #ifdef PMAC_SUPPORT_AUTOMUTE
1455 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0)
1456 && (err = snd_pmac_add_automute(chip)) < 0)
1457 return err;
1458 chip->detect_headphone = tumbler_detect_headphone;
1459 chip->update_automute = tumbler_update_automute;
1460 tumbler_update_automute(chip, 0); /* update the status only */
1461
1462 /* activate headphone status interrupts */
1463 if (mix->headphone_irq >= 0) {
1464 unsigned char val;
1465 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0,
1466 "Sound Headphone Detection", chip)) < 0)
1467 return 0;
1468 /* activate headphone status interrupts */
1469 val = do_gpio_read(&mix->hp_detect);
1470 do_gpio_write(&mix->hp_detect, val | 0x80);
1471 }
1472 if (mix->lineout_irq >= 0) {
1473 unsigned char val;
1474 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0,
1475 "Sound Lineout Detection", chip)) < 0)
1476 return 0;
1477 /* activate headphone status interrupts */
1478 val = do_gpio_read(&mix->line_detect);
1479 do_gpio_write(&mix->line_detect, val | 0x80);
1480 }
1481 #endif
1482
1483 return 0;
1484 }
A cbs scheduler for rt-kernel