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Merge branch 'for-linus' of git://git.infradead.org/users/sameo/mfd-2.6
[linux-btrfs-devel.git] / sound / ppc / tumbler.c
blob9cea84c3e0c65e8d557618a4f82ecc2aa97d06db
1 /*
2 * PMac Tumbler/Snapper lowlevel functions
3 *
4 * Copyright (c) by Takashi Iwai <tiwai@suse.de>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 * Rene Rebe <rene.rebe@gmx.net>:
21 * * update from shadow registers on wakeup and headphone plug
22 * * automatically toggle DRC on headphone plug
23 *
24 */
25
26
27 #include <linux/init.h>
28 #include <linux/delay.h>
29 #include <linux/i2c.h>
30 #include <linux/kmod.h>
31 #include <linux/slab.h>
32 #include <linux/interrupt.h>
33 #include <linux/string.h>
34 #include <sound/core.h>
35 #include <asm/io.h>
36 #include <asm/irq.h>
37 #include <asm/machdep.h>
38 #include <asm/pmac_feature.h>
39 #include "pmac.h"
40 #include "tumbler_volume.h"
41
42 #undef DEBUG
43
44 #ifdef DEBUG
45 #define DBG(fmt...) printk(KERN_DEBUG fmt)
46 #else
47 #define DBG(fmt...)
48 #endif
49
50 #define IS_G4DA (of_machine_is_compatible("PowerMac3,4"))
51
52 /* i2c address for tumbler */
53 #define TAS_I2C_ADDR 0x34
54
55 /* registers */
56 #define TAS_REG_MCS 0x01 /* main control */
57 #define TAS_REG_DRC 0x02
58 #define TAS_REG_VOL 0x04
59 #define TAS_REG_TREBLE 0x05
60 #define TAS_REG_BASS 0x06
61 #define TAS_REG_INPUT1 0x07
62 #define TAS_REG_INPUT2 0x08
63
64 /* tas3001c */
65 #define TAS_REG_PCM TAS_REG_INPUT1
66
67 /* tas3004 */
68 #define TAS_REG_LMIX TAS_REG_INPUT1
69 #define TAS_REG_RMIX TAS_REG_INPUT2
70 #define TAS_REG_MCS2 0x43 /* main control 2 */
71 #define TAS_REG_ACS 0x40 /* analog control */
72
73 /* mono volumes for tas3001c/tas3004 */
74 enum {
75 VOL_IDX_PCM_MONO, /* tas3001c only */
76 VOL_IDX_BASS, VOL_IDX_TREBLE,
77 VOL_IDX_LAST_MONO
78 };
79
80 /* stereo volumes for tas3004 */
81 enum {
82 VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC,
83 VOL_IDX_LAST_MIX
84 };
85
86 struct pmac_gpio {
87 unsigned int addr;
88 u8 active_val;
89 u8 inactive_val;
90 u8 active_state;
91 };
92
93 struct pmac_tumbler {
94 struct pmac_keywest i2c;
95 struct pmac_gpio audio_reset;
96 struct pmac_gpio amp_mute;
97 struct pmac_gpio line_mute;
98 struct pmac_gpio line_detect;
99 struct pmac_gpio hp_mute;
100 struct pmac_gpio hp_detect;
101 int headphone_irq;
102 int lineout_irq;
103 unsigned int save_master_vol[2];
104 unsigned int master_vol[2];
105 unsigned int save_master_switch[2];
106 unsigned int master_switch[2];
107 unsigned int mono_vol[VOL_IDX_LAST_MONO];
108 unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */
109 int drc_range;
110 int drc_enable;
111 int capture_source;
112 int anded_reset;
113 int auto_mute_notify;
114 int reset_on_sleep;
115 u8 acs;
116 };
117
118
119 /*
120 */
121
122 static int send_init_client(struct pmac_keywest *i2c, unsigned int *regs)
123 {
124 while (*regs > 0) {
125 int err, count = 10;
126 do {
127 err = i2c_smbus_write_byte_data(i2c->client,
128 regs[0], regs[1]);
129 if (err >= 0)
130 break;
131 DBG("(W) i2c error %d\n", err);
132 mdelay(10);
133 } while (count--);
134 if (err < 0)
135 return -ENXIO;
136 regs += 2;
137 }
138 return 0;
139 }
140
141
142 static int tumbler_init_client(struct pmac_keywest *i2c)
143 {
144 static unsigned int regs[] = {
145 /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */
146 TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0,
147 0, /* terminator */
148 };
149 DBG("(I) tumbler init client\n");
150 return send_init_client(i2c, regs);
151 }
152
153 static int snapper_init_client(struct pmac_keywest *i2c)
154 {
155 static unsigned int regs[] = {
156 /* normal operation, SCLK=64fps, i2s output, 16bit width */
157 TAS_REG_MCS, (1<<6)|(2<<4)|0,
158 /* normal operation, all-pass mode */
159 TAS_REG_MCS2, (1<<1),
160 /* normal output, no deemphasis, A input, power-up, line-in */
161 TAS_REG_ACS, 0,
162 0, /* terminator */
163 };
164 DBG("(I) snapper init client\n");
165 return send_init_client(i2c, regs);
166 }
167
168 /*
169 * gpio access
170 */
171 #define do_gpio_write(gp, val) \
172 pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val)
173 #define do_gpio_read(gp) \
174 pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0)
175 #define tumbler_gpio_free(gp) /* NOP */
176
177 static void write_audio_gpio(struct pmac_gpio *gp, int active)
178 {
179 if (! gp->addr)
180 return;
181 active = active ? gp->active_val : gp->inactive_val;
182 do_gpio_write(gp, active);
183 DBG("(I) gpio %x write %d\n", gp->addr, active);
184 }
185
186 static int check_audio_gpio(struct pmac_gpio *gp)
187 {
188 int ret;
189
190 if (! gp->addr)
191 return 0;
192
193 ret = do_gpio_read(gp);
194
195 return (ret & 0x1) == (gp->active_val & 0x1);
196 }
197
198 static int read_audio_gpio(struct pmac_gpio *gp)
199 {
200 int ret;
201 if (! gp->addr)
202 return 0;
203 ret = do_gpio_read(gp);
204 ret = (ret & 0x02) !=0;
205 return ret == gp->active_state;
206 }
207
208 /*
209 * update master volume
210 */
211 static int tumbler_set_master_volume(struct pmac_tumbler *mix)
212 {
213 unsigned char block[6];
214 unsigned int left_vol, right_vol;
215
216 if (! mix->i2c.client)
217 return -ENODEV;
218
219 if (! mix->master_switch[0])
220 left_vol = 0;
221 else {
222 left_vol = mix->master_vol[0];
223 if (left_vol >= ARRAY_SIZE(master_volume_table))
224 left_vol = ARRAY_SIZE(master_volume_table) - 1;
225 left_vol = master_volume_table[left_vol];
226 }
227 if (! mix->master_switch[1])
228 right_vol = 0;
229 else {
230 right_vol = mix->master_vol[1];
231 if (right_vol >= ARRAY_SIZE(master_volume_table))
232 right_vol = ARRAY_SIZE(master_volume_table) - 1;
233 right_vol = master_volume_table[right_vol];
234 }
235
236 block[0] = (left_vol >> 16) & 0xff;
237 block[1] = (left_vol >> 8) & 0xff;
238 block[2] = (left_vol >> 0) & 0xff;
239
240 block[3] = (right_vol >> 16) & 0xff;
241 block[4] = (right_vol >> 8) & 0xff;
242 block[5] = (right_vol >> 0) & 0xff;
243
244 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6,
245 block) < 0) {
246 snd_printk(KERN_ERR "failed to set volume \n");
247 return -EINVAL;
248 }
249 DBG("(I) succeeded to set volume (%u, %u)\n", left_vol, right_vol);
250 return 0;
251 }
252
253
254 /* output volume */
255 static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol,
256 struct snd_ctl_elem_info *uinfo)
257 {
258 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
259 uinfo->count = 2;
260 uinfo->value.integer.min = 0;
261 uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1;
262 return 0;
263 }
264
265 static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol,
266 struct snd_ctl_elem_value *ucontrol)
267 {
268 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
269 struct pmac_tumbler *mix = chip->mixer_data;
270
271 ucontrol->value.integer.value[0] = mix->master_vol[0];
272 ucontrol->value.integer.value[1] = mix->master_vol[1];
273 return 0;
274 }
275
276 static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol,
277 struct snd_ctl_elem_value *ucontrol)
278 {
279 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
280 struct pmac_tumbler *mix = chip->mixer_data;
281 unsigned int vol[2];
282 int change;
283
284 vol[0] = ucontrol->value.integer.value[0];
285 vol[1] = ucontrol->value.integer.value[1];
286 if (vol[0] >= ARRAY_SIZE(master_volume_table) ||
287 vol[1] >= ARRAY_SIZE(master_volume_table))
288 return -EINVAL;
289 change = mix->master_vol[0] != vol[0] ||
290 mix->master_vol[1] != vol[1];
291 if (change) {
292 mix->master_vol[0] = vol[0];
293 mix->master_vol[1] = vol[1];
294 tumbler_set_master_volume(mix);
295 }
296 return change;
297 }
298
299 /* output switch */
300 static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol,
301 struct snd_ctl_elem_value *ucontrol)
302 {
303 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
304 struct pmac_tumbler *mix = chip->mixer_data;
305
306 ucontrol->value.integer.value[0] = mix->master_switch[0];
307 ucontrol->value.integer.value[1] = mix->master_switch[1];
308 return 0;
309 }
310
311 static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol,
312 struct snd_ctl_elem_value *ucontrol)
313 {
314 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
315 struct pmac_tumbler *mix = chip->mixer_data;
316 int change;
317
318 change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
319 mix->master_switch[1] != ucontrol->value.integer.value[1];
320 if (change) {
321 mix->master_switch[0] = !!ucontrol->value.integer.value[0];
322 mix->master_switch[1] = !!ucontrol->value.integer.value[1];
323 tumbler_set_master_volume(mix);
324 }
325 return change;
326 }
327
328
329 /*
330 * TAS3001c dynamic range compression
331 */
332
333 #define TAS3001_DRC_MAX 0x5f
334
335 static int tumbler_set_drc(struct pmac_tumbler *mix)
336 {
337 unsigned char val[2];
338
339 if (! mix->i2c.client)
340 return -ENODEV;
341
342 if (mix->drc_enable) {
343 val[0] = 0xc1; /* enable, 3:1 compression */
344 if (mix->drc_range > TAS3001_DRC_MAX)
345 val[1] = 0xf0;
346 else if (mix->drc_range < 0)
347 val[1] = 0x91;
348 else
349 val[1] = mix->drc_range + 0x91;
350 } else {
351 val[0] = 0;
352 val[1] = 0;
353 }
354
355 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
356 2, val) < 0) {
357 snd_printk(KERN_ERR "failed to set DRC\n");
358 return -EINVAL;
359 }
360 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
361 return 0;
362 }
363
364 /*
365 * TAS3004
366 */
367
368 #define TAS3004_DRC_MAX 0xef
369
370 static int snapper_set_drc(struct pmac_tumbler *mix)
371 {
372 unsigned char val[6];
373
374 if (! mix->i2c.client)
375 return -ENODEV;
376
377 if (mix->drc_enable)
378 val[0] = 0x50; /* 3:1 above threshold */
379 else
380 val[0] = 0x51; /* disabled */
381 val[1] = 0x02; /* 1:1 below threshold */
382 if (mix->drc_range > 0xef)
383 val[2] = 0xef;
384 else if (mix->drc_range < 0)
385 val[2] = 0x00;
386 else
387 val[2] = mix->drc_range;
388 val[3] = 0xb0;
389 val[4] = 0x60;
390 val[5] = 0xa0;
391
392 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
393 6, val) < 0) {
394 snd_printk(KERN_ERR "failed to set DRC\n");
395 return -EINVAL;
396 }
397 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
398 return 0;
399 }
400
401 static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol,
402 struct snd_ctl_elem_info *uinfo)
403 {
404 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
405 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
406 uinfo->count = 1;
407 uinfo->value.integer.min = 0;
408 uinfo->value.integer.max =
409 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
410 return 0;
411 }
412
413 static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol,
414 struct snd_ctl_elem_value *ucontrol)
415 {
416 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
417 struct pmac_tumbler *mix;
418 if (! (mix = chip->mixer_data))
419 return -ENODEV;
420 ucontrol->value.integer.value[0] = mix->drc_range;
421 return 0;
422 }
423
424 static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol,
425 struct snd_ctl_elem_value *ucontrol)
426 {
427 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
428 struct pmac_tumbler *mix;
429 unsigned int val;
430 int change;
431
432 if (! (mix = chip->mixer_data))
433 return -ENODEV;
434 val = ucontrol->value.integer.value[0];
435 if (chip->model == PMAC_TUMBLER) {
436 if (val > TAS3001_DRC_MAX)
437 return -EINVAL;
438 } else {
439 if (val > TAS3004_DRC_MAX)
440 return -EINVAL;
441 }
442 change = mix->drc_range != val;
443 if (change) {
444 mix->drc_range = val;
445 if (chip->model == PMAC_TUMBLER)
446 tumbler_set_drc(mix);
447 else
448 snapper_set_drc(mix);
449 }
450 return change;
451 }
452
453 static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol,
454 struct snd_ctl_elem_value *ucontrol)
455 {
456 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
457 struct pmac_tumbler *mix;
458 if (! (mix = chip->mixer_data))
459 return -ENODEV;
460 ucontrol->value.integer.value[0] = mix->drc_enable;
461 return 0;
462 }
463
464 static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol,
465 struct snd_ctl_elem_value *ucontrol)
466 {
467 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
468 struct pmac_tumbler *mix;
469 int change;
470
471 if (! (mix = chip->mixer_data))
472 return -ENODEV;
473 change = mix->drc_enable != ucontrol->value.integer.value[0];
474 if (change) {
475 mix->drc_enable = !!ucontrol->value.integer.value[0];
476 if (chip->model == PMAC_TUMBLER)
477 tumbler_set_drc(mix);
478 else
479 snapper_set_drc(mix);
480 }
481 return change;
482 }
483
484
485 /*
486 * mono volumes
487 */
488
489 struct tumbler_mono_vol {
490 int index;
491 int reg;
492 int bytes;
493 unsigned int max;
494 unsigned int *table;
495 };
496
497 static int tumbler_set_mono_volume(struct pmac_tumbler *mix,
498 struct tumbler_mono_vol *info)
499 {
500 unsigned char block[4];
501 unsigned int vol;
502 int i;
503
504 if (! mix->i2c.client)
505 return -ENODEV;
506
507 vol = mix->mono_vol[info->index];
508 if (vol >= info->max)
509 vol = info->max - 1;
510 vol = info->table[vol];
511 for (i = 0; i < info->bytes; i++)
512 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
513 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg,
514 info->bytes, block) < 0) {
515 snd_printk(KERN_ERR "failed to set mono volume %d\n",
516 info->index);
517 return -EINVAL;
518 }
519 return 0;
520 }
521
522 static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
523 struct snd_ctl_elem_info *uinfo)
524 {
525 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
526
527 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
528 uinfo->count = 1;
529 uinfo->value.integer.min = 0;
530 uinfo->value.integer.max = info->max - 1;
531 return 0;
532 }
533
534 static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
535 struct snd_ctl_elem_value *ucontrol)
536 {
537 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
538 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
539 struct pmac_tumbler *mix;
540 if (! (mix = chip->mixer_data))
541 return -ENODEV;
542 ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
543 return 0;
544 }
545
546 static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
547 struct snd_ctl_elem_value *ucontrol)
548 {
549 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
550 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
551 struct pmac_tumbler *mix;
552 unsigned int vol;
553 int change;
554
555 if (! (mix = chip->mixer_data))
556 return -ENODEV;
557 vol = ucontrol->value.integer.value[0];
558 if (vol >= info->max)
559 return -EINVAL;
560 change = mix->mono_vol[info->index] != vol;
561 if (change) {
562 mix->mono_vol[info->index] = vol;
563 tumbler_set_mono_volume(mix, info);
564 }
565 return change;
566 }
567
568 /* TAS3001c mono volumes */
569 static struct tumbler_mono_vol tumbler_pcm_vol_info = {
570 .index = VOL_IDX_PCM_MONO,
571 .reg = TAS_REG_PCM,
572 .bytes = 3,
573 .max = ARRAY_SIZE(mixer_volume_table),
574 .table = mixer_volume_table,
575 };
576
577 static struct tumbler_mono_vol tumbler_bass_vol_info = {
578 .index = VOL_IDX_BASS,
579 .reg = TAS_REG_BASS,
580 .bytes = 1,
581 .max = ARRAY_SIZE(bass_volume_table),
582 .table = bass_volume_table,
583 };
584
585 static struct tumbler_mono_vol tumbler_treble_vol_info = {
586 .index = VOL_IDX_TREBLE,
587 .reg = TAS_REG_TREBLE,
588 .bytes = 1,
589 .max = ARRAY_SIZE(treble_volume_table),
590 .table = treble_volume_table,
591 };
592
593 /* TAS3004 mono volumes */
594 static struct tumbler_mono_vol snapper_bass_vol_info = {
595 .index = VOL_IDX_BASS,
596 .reg = TAS_REG_BASS,
597 .bytes = 1,
598 .max = ARRAY_SIZE(snapper_bass_volume_table),
599 .table = snapper_bass_volume_table,
600 };
601
602 static struct tumbler_mono_vol snapper_treble_vol_info = {
603 .index = VOL_IDX_TREBLE,
604 .reg = TAS_REG_TREBLE,
605 .bytes = 1,
606 .max = ARRAY_SIZE(snapper_treble_volume_table),
607 .table = snapper_treble_volume_table,
608 };
609
610
611 #define DEFINE_MONO(xname,type) { \
612 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
613 .name = xname, \
614 .info = tumbler_info_mono, \
615 .get = tumbler_get_mono, \
616 .put = tumbler_put_mono, \
617 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
618 }
619
620 #define DEFINE_SNAPPER_MONO(xname,type) { \
621 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
622 .name = xname, \
623 .info = tumbler_info_mono, \
624 .get = tumbler_get_mono, \
625 .put = tumbler_put_mono, \
626 .private_value = (unsigned long)(&snapper_##type##_vol_info), \
627 }
628
629
630 /*
631 * snapper mixer volumes
632 */
633
634 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
635 {
636 int i, j, vol;
637 unsigned char block[9];
638
639 vol = mix->mix_vol[idx][ch];
640 if (vol >= ARRAY_SIZE(mixer_volume_table)) {
641 vol = ARRAY_SIZE(mixer_volume_table) - 1;
642 mix->mix_vol[idx][ch] = vol;
643 }
644
645 for (i = 0; i < 3; i++) {
646 vol = mix->mix_vol[i][ch];
647 vol = mixer_volume_table[vol];
648 for (j = 0; j < 3; j++)
649 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
650 }
651 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
652 9, block) < 0) {
653 snd_printk(KERN_ERR "failed to set mono volume %d\n", reg);
654 return -EINVAL;
655 }
656 return 0;
657 }
658
659 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
660 {
661 if (! mix->i2c.client)
662 return -ENODEV;
663 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
664 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
665 return -EINVAL;
666 return 0;
667 }
668
669 static int snapper_info_mix(struct snd_kcontrol *kcontrol,
670 struct snd_ctl_elem_info *uinfo)
671 {
672 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
673 uinfo->count = 2;
674 uinfo->value.integer.min = 0;
675 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
676 return 0;
677 }
678
679 static int snapper_get_mix(struct snd_kcontrol *kcontrol,
680 struct snd_ctl_elem_value *ucontrol)
681 {
682 int idx = (int)kcontrol->private_value;
683 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
684 struct pmac_tumbler *mix;
685 if (! (mix = chip->mixer_data))
686 return -ENODEV;
687 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
688 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
689 return 0;
690 }
691
692 static int snapper_put_mix(struct snd_kcontrol *kcontrol,
693 struct snd_ctl_elem_value *ucontrol)
694 {
695 int idx = (int)kcontrol->private_value;
696 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
697 struct pmac_tumbler *mix;
698 unsigned int vol[2];
699 int change;
700
701 if (! (mix = chip->mixer_data))
702 return -ENODEV;
703 vol[0] = ucontrol->value.integer.value[0];
704 vol[1] = ucontrol->value.integer.value[1];
705 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
706 vol[1] >= ARRAY_SIZE(mixer_volume_table))
707 return -EINVAL;
708 change = mix->mix_vol[idx][0] != vol[0] ||
709 mix->mix_vol[idx][1] != vol[1];
710 if (change) {
711 mix->mix_vol[idx][0] = vol[0];
712 mix->mix_vol[idx][1] = vol[1];
713 snapper_set_mix_vol(mix, idx);
714 }
715 return change;
716 }
717
718
719 /*
720 * mute switches. FIXME: Turn that into software mute when both outputs are muted
721 * to avoid codec reset on ibook M7
722 */
723
724 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
725
726 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
727 struct snd_ctl_elem_value *ucontrol)
728 {
729 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
730 struct pmac_tumbler *mix;
731 struct pmac_gpio *gp;
732 if (! (mix = chip->mixer_data))
733 return -ENODEV;
734 switch(kcontrol->private_value) {
735 case TUMBLER_MUTE_HP:
736 gp = &mix->hp_mute; break;
737 case TUMBLER_MUTE_AMP:
738 gp = &mix->amp_mute; break;
739 case TUMBLER_MUTE_LINE:
740 gp = &mix->line_mute; break;
741 default:
742 gp = NULL;
743 }
744 if (gp == NULL)
745 return -EINVAL;
746 ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
747 return 0;
748 }
749
750 static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
751 struct snd_ctl_elem_value *ucontrol)
752 {
753 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
754 struct pmac_tumbler *mix;
755 struct pmac_gpio *gp;
756 int val;
757 #ifdef PMAC_SUPPORT_AUTOMUTE
758 if (chip->update_automute && chip->auto_mute)
759 return 0; /* don't touch in the auto-mute mode */
760 #endif
761 if (! (mix = chip->mixer_data))
762 return -ENODEV;
763 switch(kcontrol->private_value) {
764 case TUMBLER_MUTE_HP:
765 gp = &mix->hp_mute; break;
766 case TUMBLER_MUTE_AMP:
767 gp = &mix->amp_mute; break;
768 case TUMBLER_MUTE_LINE:
769 gp = &mix->line_mute; break;
770 default:
771 gp = NULL;
772 }
773 if (gp == NULL)
774 return -EINVAL;
775 val = ! check_audio_gpio(gp);
776 if (val != ucontrol->value.integer.value[0]) {
777 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
778 return 1;
779 }
780 return 0;
781 }
782
783 static int snapper_set_capture_source(struct pmac_tumbler *mix)
784 {
785 if (! mix->i2c.client)
786 return -ENODEV;
787 if (mix->capture_source)
788 mix->acs |= 2;
789 else
790 mix->acs &= ~2;
791 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
792 }
793
794 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
795 struct snd_ctl_elem_info *uinfo)
796 {
797 static char *texts[2] = {
798 "Line", "Mic"
799 };
800 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
801 uinfo->count = 1;
802 uinfo->value.enumerated.items = 2;
803 if (uinfo->value.enumerated.item > 1)
804 uinfo->value.enumerated.item = 1;
805 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
806 return 0;
807 }
808
809 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
810 struct snd_ctl_elem_value *ucontrol)
811 {
812 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
813 struct pmac_tumbler *mix = chip->mixer_data;
814
815 ucontrol->value.enumerated.item[0] = mix->capture_source;
816 return 0;
817 }
818
819 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
820 struct snd_ctl_elem_value *ucontrol)
821 {
822 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
823 struct pmac_tumbler *mix = chip->mixer_data;
824 int change;
825
826 change = ucontrol->value.enumerated.item[0] != mix->capture_source;
827 if (change) {
828 mix->capture_source = !!ucontrol->value.enumerated.item[0];
829 snapper_set_capture_source(mix);
830 }
831 return change;
832 }
833
834 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
835 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
836 .name = xname, \
837 .info = snapper_info_mix, \
838 .get = snapper_get_mix, \
839 .put = snapper_put_mix, \
840 .index = idx,\
841 .private_value = ofs, \
842 }
843
844
845 /*
846 */
847 static struct snd_kcontrol_new tumbler_mixers[] __devinitdata = {
848 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
849 .name = "Master Playback Volume",
850 .info = tumbler_info_master_volume,
851 .get = tumbler_get_master_volume,
852 .put = tumbler_put_master_volume
853 },
854 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
855 .name = "Master Playback Switch",
856 .info = snd_pmac_boolean_stereo_info,
857 .get = tumbler_get_master_switch,
858 .put = tumbler_put_master_switch
859 },
860 DEFINE_MONO("Tone Control - Bass", bass),
861 DEFINE_MONO("Tone Control - Treble", treble),
862 DEFINE_MONO("PCM Playback Volume", pcm),
863 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
864 .name = "DRC Range",
865 .info = tumbler_info_drc_value,
866 .get = tumbler_get_drc_value,
867 .put = tumbler_put_drc_value
868 },
869 };
870
871 static struct snd_kcontrol_new snapper_mixers[] __devinitdata = {
872 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
873 .name = "Master Playback Volume",
874 .info = tumbler_info_master_volume,
875 .get = tumbler_get_master_volume,
876 .put = tumbler_put_master_volume
877 },
878 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
879 .name = "Master Playback Switch",
880 .info = snd_pmac_boolean_stereo_info,
881 .get = tumbler_get_master_switch,
882 .put = tumbler_put_master_switch
883 },
884 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
885 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
886 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2),
887 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
888 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
889 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
890 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
891 .name = "DRC Range",
892 .info = tumbler_info_drc_value,
893 .get = tumbler_get_drc_value,
894 .put = tumbler_put_drc_value
895 },
896 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
897 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
898 .info = snapper_info_capture_source,
899 .get = snapper_get_capture_source,
900 .put = snapper_put_capture_source
901 },
902 };
903
904 static struct snd_kcontrol_new tumbler_hp_sw __devinitdata = {
905 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
906 .name = "Headphone Playback Switch",
907 .info = snd_pmac_boolean_mono_info,
908 .get = tumbler_get_mute_switch,
909 .put = tumbler_put_mute_switch,
910 .private_value = TUMBLER_MUTE_HP,
911 };
912 static struct snd_kcontrol_new tumbler_speaker_sw __devinitdata = {
913 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
914 .name = "Speaker Playback Switch",
915 .info = snd_pmac_boolean_mono_info,
916 .get = tumbler_get_mute_switch,
917 .put = tumbler_put_mute_switch,
918 .private_value = TUMBLER_MUTE_AMP,
919 };
920 static struct snd_kcontrol_new tumbler_lineout_sw __devinitdata = {
921 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
922 .name = "Line Out Playback Switch",
923 .info = snd_pmac_boolean_mono_info,
924 .get = tumbler_get_mute_switch,
925 .put = tumbler_put_mute_switch,
926 .private_value = TUMBLER_MUTE_LINE,
927 };
928 static struct snd_kcontrol_new tumbler_drc_sw __devinitdata = {
929 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
930 .name = "DRC Switch",
931 .info = snd_pmac_boolean_mono_info,
932 .get = tumbler_get_drc_switch,
933 .put = tumbler_put_drc_switch
934 };
935
936
937 #ifdef PMAC_SUPPORT_AUTOMUTE
938 /*
939 * auto-mute stuffs
940 */
941 static int tumbler_detect_headphone(struct snd_pmac *chip)
942 {
943 struct pmac_tumbler *mix = chip->mixer_data;
944 int detect = 0;
945
946 if (mix->hp_detect.addr)
947 detect |= read_audio_gpio(&mix->hp_detect);
948 return detect;
949 }
950
951 static int tumbler_detect_lineout(struct snd_pmac *chip)
952 {
953 struct pmac_tumbler *mix = chip->mixer_data;
954 int detect = 0;
955
956 if (mix->line_detect.addr)
957 detect |= read_audio_gpio(&mix->line_detect);
958 return detect;
959 }
960
961 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
962 struct snd_kcontrol *sw)
963 {
964 if (check_audio_gpio(gp) != val) {
965 write_audio_gpio(gp, val);
966 if (do_notify)
967 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
968 &sw->id);
969 }
970 }
971
972 static struct work_struct device_change;
973 static struct snd_pmac *device_change_chip;
974
975 static void device_change_handler(struct work_struct *work)
976 {
977 struct snd_pmac *chip = device_change_chip;
978 struct pmac_tumbler *mix;
979 int headphone, lineout;
980
981 if (!chip)
982 return;
983
984 mix = chip->mixer_data;
985 if (snd_BUG_ON(!mix))
986 return;
987
988 headphone = tumbler_detect_headphone(chip);
989 lineout = tumbler_detect_lineout(chip);
990
991 DBG("headphone: %d, lineout: %d\n", headphone, lineout);
992
993 if (headphone || lineout) {
994 /* unmute headphone/lineout & mute speaker */
995 if (headphone)
996 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
997 chip->master_sw_ctl);
998 if (lineout && mix->line_mute.addr != 0)
999 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
1000 chip->lineout_sw_ctl);
1001 if (mix->anded_reset)
1002 msleep(10);
1003 check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify,
1004 chip->speaker_sw_ctl);
1005 } else {
1006 /* unmute speaker, mute others */
1007 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
1008 chip->speaker_sw_ctl);
1009 if (mix->anded_reset)
1010 msleep(10);
1011 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
1012 chip->master_sw_ctl);
1013 if (mix->line_mute.addr != 0)
1014 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
1015 chip->lineout_sw_ctl);
1016 }
1017 if (mix->auto_mute_notify)
1018 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1019 &chip->hp_detect_ctl->id);
1020
1021 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1022 mix->drc_enable = ! (headphone || lineout);
1023 if (mix->auto_mute_notify)
1024 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1025 &chip->drc_sw_ctl->id);
1026 if (chip->model == PMAC_TUMBLER)
1027 tumbler_set_drc(mix);
1028 else
1029 snapper_set_drc(mix);
1030 #endif
1031
1032 /* reset the master volume so the correct amplification is applied */
1033 tumbler_set_master_volume(mix);
1034 }
1035
1036 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1037 {
1038 if (chip->auto_mute) {
1039 struct pmac_tumbler *mix;
1040 mix = chip->mixer_data;
1041 if (snd_BUG_ON(!mix))
1042 return;
1043 mix->auto_mute_notify = do_notify;
1044 schedule_work(&device_change);
1045 }
1046 }
1047 #endif /* PMAC_SUPPORT_AUTOMUTE */
1048
1049
1050 /* interrupt - headphone plug changed */
1051 static irqreturn_t headphone_intr(int irq, void *devid)
1052 {
1053 struct snd_pmac *chip = devid;
1054 if (chip->update_automute && chip->initialized) {
1055 chip->update_automute(chip, 1);
1056 return IRQ_HANDLED;
1057 }
1058 return IRQ_NONE;
1059 }
1060
1061 /* look for audio-gpio device */
1062 static struct device_node *find_audio_device(const char *name)
1063 {
1064 struct device_node *gpiop;
1065 struct device_node *np;
1066
1067 gpiop = of_find_node_by_name(NULL, "gpio");
1068 if (! gpiop)
1069 return NULL;
1070
1071 for (np = of_get_next_child(gpiop, NULL); np;
1072 np = of_get_next_child(gpiop, np)) {
1073 const char *property = of_get_property(np, "audio-gpio", NULL);
1074 if (property && strcmp(property, name) == 0)
1075 break;
1076 }
1077 of_node_put(gpiop);
1078 return np;
1079 }
1080
1081 /* look for audio-gpio device */
1082 static struct device_node *find_compatible_audio_device(const char *name)
1083 {
1084 struct device_node *gpiop;
1085 struct device_node *np;
1086
1087 gpiop = of_find_node_by_name(NULL, "gpio");
1088 if (!gpiop)
1089 return NULL;
1090
1091 for (np = of_get_next_child(gpiop, NULL); np;
1092 np = of_get_next_child(gpiop, np)) {
1093 if (of_device_is_compatible(np, name))
1094 break;
1095 }
1096 of_node_put(gpiop);
1097 return np;
1098 }
1099
1100 /* find an audio device and get its address */
1101 static long tumbler_find_device(const char *device, const char *platform,
1102 struct pmac_gpio *gp, int is_compatible)
1103 {
1104 struct device_node *node;
1105 const u32 *base;
1106 u32 addr;
1107 long ret;
1108
1109 if (is_compatible)
1110 node = find_compatible_audio_device(device);
1111 else
1112 node = find_audio_device(device);
1113 if (! node) {
1114 DBG("(W) cannot find audio device %s !\n", device);
1115 snd_printdd("cannot find device %s\n", device);
1116 return -ENODEV;
1117 }
1118
1119 base = of_get_property(node, "AAPL,address", NULL);
1120 if (! base) {
1121 base = of_get_property(node, "reg", NULL);
1122 if (!base) {
1123 DBG("(E) cannot find address for device %s !\n", device);
1124 snd_printd("cannot find address for device %s\n", device);
1125 of_node_put(node);
1126 return -ENODEV;
1127 }
1128 addr = *base;
1129 if (addr < 0x50)
1130 addr += 0x50;
1131 } else
1132 addr = *base;
1133
1134 gp->addr = addr & 0x0000ffff;
1135 /* Try to find the active state, default to 0 ! */
1136 base = of_get_property(node, "audio-gpio-active-state", NULL);
1137 if (base) {
1138 gp->active_state = *base;
1139 gp->active_val = (*base) ? 0x5 : 0x4;
1140 gp->inactive_val = (*base) ? 0x4 : 0x5;
1141 } else {
1142 const u32 *prop = NULL;
1143 gp->active_state = IS_G4DA
1144 && !strncmp(device, "keywest-gpio1", 13);
1145 gp->active_val = 0x4;
1146 gp->inactive_val = 0x5;
1147 /* Here are some crude hacks to extract the GPIO polarity and
1148 * open collector informations out of the do-platform script
1149 * as we don't yet have an interpreter for these things
1150 */
1151 if (platform)
1152 prop = of_get_property(node, platform, NULL);
1153 if (prop) {
1154 if (prop[3] == 0x9 && prop[4] == 0x9) {
1155 gp->active_val = 0xd;
1156 gp->inactive_val = 0xc;
1157 }
1158 if (prop[3] == 0x1 && prop[4] == 0x1) {
1159 gp->active_val = 0x5;
1160 gp->inactive_val = 0x4;
1161 }
1162 }
1163 }
1164
1165 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
1166 device, gp->addr, gp->active_state);
1167
1168 ret = irq_of_parse_and_map(node, 0);
1169 of_node_put(node);
1170 return ret;
1171 }
1172
1173 /* reset audio */
1174 static void tumbler_reset_audio(struct snd_pmac *chip)
1175 {
1176 struct pmac_tumbler *mix = chip->mixer_data;
1177
1178 if (mix->anded_reset) {
1179 DBG("(I) codec anded reset !\n");
1180 write_audio_gpio(&mix->hp_mute, 0);
1181 write_audio_gpio(&mix->amp_mute, 0);
1182 msleep(200);
1183 write_audio_gpio(&mix->hp_mute, 1);
1184 write_audio_gpio(&mix->amp_mute, 1);
1185 msleep(100);
1186 write_audio_gpio(&mix->hp_mute, 0);
1187 write_audio_gpio(&mix->amp_mute, 0);
1188 msleep(100);
1189 } else {
1190 DBG("(I) codec normal reset !\n");
1191
1192 write_audio_gpio(&mix->audio_reset, 0);
1193 msleep(200);
1194 write_audio_gpio(&mix->audio_reset, 1);
1195 msleep(100);
1196 write_audio_gpio(&mix->audio_reset, 0);
1197 msleep(100);
1198 }
1199 }
1200
1201 #ifdef CONFIG_PM
1202 /* suspend mixer */
1203 static void tumbler_suspend(struct snd_pmac *chip)
1204 {
1205 struct pmac_tumbler *mix = chip->mixer_data;
1206
1207 if (mix->headphone_irq >= 0)
1208 disable_irq(mix->headphone_irq);
1209 if (mix->lineout_irq >= 0)
1210 disable_irq(mix->lineout_irq);
1211 mix->save_master_switch[0] = mix->master_switch[0];
1212 mix->save_master_switch[1] = mix->master_switch[1];
1213 mix->save_master_vol[0] = mix->master_vol[0];
1214 mix->save_master_vol[1] = mix->master_vol[1];
1215 mix->master_switch[0] = mix->master_switch[1] = 0;
1216 tumbler_set_master_volume(mix);
1217 if (!mix->anded_reset) {
1218 write_audio_gpio(&mix->amp_mute, 1);
1219 write_audio_gpio(&mix->hp_mute, 1);
1220 }
1221 if (chip->model == PMAC_SNAPPER) {
1222 mix->acs |= 1;
1223 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1224 }
1225 if (mix->anded_reset) {
1226 write_audio_gpio(&mix->amp_mute, 1);
1227 write_audio_gpio(&mix->hp_mute, 1);
1228 } else
1229 write_audio_gpio(&mix->audio_reset, 1);
1230 }
1231
1232 /* resume mixer */
1233 static void tumbler_resume(struct snd_pmac *chip)
1234 {
1235 struct pmac_tumbler *mix = chip->mixer_data;
1236
1237 mix->acs &= ~1;
1238 mix->master_switch[0] = mix->save_master_switch[0];
1239 mix->master_switch[1] = mix->save_master_switch[1];
1240 mix->master_vol[0] = mix->save_master_vol[0];
1241 mix->master_vol[1] = mix->save_master_vol[1];
1242 tumbler_reset_audio(chip);
1243 if (mix->i2c.client && mix->i2c.init_client) {
1244 if (mix->i2c.init_client(&mix->i2c) < 0)
1245 printk(KERN_ERR "tumbler_init_client error\n");
1246 } else
1247 printk(KERN_ERR "tumbler: i2c is not initialized\n");
1248 if (chip->model == PMAC_TUMBLER) {
1249 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1250 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1251 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1252 tumbler_set_drc(mix);
1253 } else {
1254 snapper_set_mix_vol(mix, VOL_IDX_PCM);
1255 snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1256 snapper_set_mix_vol(mix, VOL_IDX_ADC);
1257 tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1258 tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1259 snapper_set_drc(mix);
1260 snapper_set_capture_source(mix);
1261 }
1262 tumbler_set_master_volume(mix);
1263 if (chip->update_automute)
1264 chip->update_automute(chip, 0);
1265 if (mix->headphone_irq >= 0) {
1266 unsigned char val;
1267
1268 enable_irq(mix->headphone_irq);
1269 /* activate headphone status interrupts */
1270 val = do_gpio_read(&mix->hp_detect);
1271 do_gpio_write(&mix->hp_detect, val | 0x80);
1272 }
1273 if (mix->lineout_irq >= 0)
1274 enable_irq(mix->lineout_irq);
1275 }
1276 #endif
1277
1278 /* initialize tumbler */
1279 static int __devinit tumbler_init(struct snd_pmac *chip)
1280 {
1281 int irq;
1282 struct pmac_tumbler *mix = chip->mixer_data;
1283
1284 if (tumbler_find_device("audio-hw-reset",
1285 "platform-do-hw-reset",
1286 &mix->audio_reset, 0) < 0)
1287 tumbler_find_device("hw-reset",
1288 "platform-do-hw-reset",
1289 &mix->audio_reset, 1);
1290 if (tumbler_find_device("amp-mute",
1291 "platform-do-amp-mute",
1292 &mix->amp_mute, 0) < 0)
1293 tumbler_find_device("amp-mute",
1294 "platform-do-amp-mute",
1295 &mix->amp_mute, 1);
1296 if (tumbler_find_device("headphone-mute",
1297 "platform-do-headphone-mute",
1298 &mix->hp_mute, 0) < 0)
1299 tumbler_find_device("headphone-mute",
1300 "platform-do-headphone-mute",
1301 &mix->hp_mute, 1);
1302 if (tumbler_find_device("line-output-mute",
1303 "platform-do-lineout-mute",
1304 &mix->line_mute, 0) < 0)
1305 tumbler_find_device("line-output-mute",
1306 "platform-do-lineout-mute",
1307 &mix->line_mute, 1);
1308 irq = tumbler_find_device("headphone-detect",
1309 NULL, &mix->hp_detect, 0);
1310 if (irq <= NO_IRQ)
1311 irq = tumbler_find_device("headphone-detect",
1312 NULL, &mix->hp_detect, 1);
1313 if (irq <= NO_IRQ)
1314 irq = tumbler_find_device("keywest-gpio15",
1315 NULL, &mix->hp_detect, 1);
1316 mix->headphone_irq = irq;
1317 irq = tumbler_find_device("line-output-detect",
1318 NULL, &mix->line_detect, 0);
1319 if (irq <= NO_IRQ)
1320 irq = tumbler_find_device("line-output-detect",
1321 NULL, &mix->line_detect, 1);
1322 if (IS_G4DA && irq <= NO_IRQ)
1323 irq = tumbler_find_device("keywest-gpio16",
1324 NULL, &mix->line_detect, 1);
1325 mix->lineout_irq = irq;
1326
1327 tumbler_reset_audio(chip);
1328
1329 return 0;
1330 }
1331
1332 static void tumbler_cleanup(struct snd_pmac *chip)
1333 {
1334 struct pmac_tumbler *mix = chip->mixer_data;
1335 if (! mix)
1336 return;
1337
1338 if (mix->headphone_irq >= 0)
1339 free_irq(mix->headphone_irq, chip);
1340 if (mix->lineout_irq >= 0)
1341 free_irq(mix->lineout_irq, chip);
1342 tumbler_gpio_free(&mix->audio_reset);
1343 tumbler_gpio_free(&mix->amp_mute);
1344 tumbler_gpio_free(&mix->hp_mute);
1345 tumbler_gpio_free(&mix->hp_detect);
1346 snd_pmac_keywest_cleanup(&mix->i2c);
1347 kfree(mix);
1348 chip->mixer_data = NULL;
1349 }
1350
1351 /* exported */
1352 int __devinit snd_pmac_tumbler_init(struct snd_pmac *chip)
1353 {
1354 int i, err;
1355 struct pmac_tumbler *mix;
1356 const u32 *paddr;
1357 struct device_node *tas_node, *np;
1358 char *chipname;
1359
1360 request_module("i2c-powermac");
1361
1362 mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1363 if (! mix)
1364 return -ENOMEM;
1365 mix->headphone_irq = -1;
1366
1367 chip->mixer_data = mix;
1368 chip->mixer_free = tumbler_cleanup;
1369 mix->anded_reset = 0;
1370 mix->reset_on_sleep = 1;
1371
1372 for (np = chip->node->child; np; np = np->sibling) {
1373 if (!strcmp(np->name, "sound")) {
1374 if (of_get_property(np, "has-anded-reset", NULL))
1375 mix->anded_reset = 1;
1376 if (of_get_property(np, "layout-id", NULL))
1377 mix->reset_on_sleep = 0;
1378 break;
1379 }
1380 }
1381 if ((err = tumbler_init(chip)) < 0)
1382 return err;
1383
1384 /* set up TAS */
1385 tas_node = of_find_node_by_name(NULL, "deq");
1386 if (tas_node == NULL)
1387 tas_node = of_find_node_by_name(NULL, "codec");
1388 if (tas_node == NULL)
1389 return -ENODEV;
1390
1391 paddr = of_get_property(tas_node, "i2c-address", NULL);
1392 if (paddr == NULL)
1393 paddr = of_get_property(tas_node, "reg", NULL);
1394 if (paddr)
1395 mix->i2c.addr = (*paddr) >> 1;
1396 else
1397 mix->i2c.addr = TAS_I2C_ADDR;
1398 of_node_put(tas_node);
1399
1400 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1401
1402 if (chip->model == PMAC_TUMBLER) {
1403 mix->i2c.init_client = tumbler_init_client;
1404 mix->i2c.name = "TAS3001c";
1405 chipname = "Tumbler";
1406 } else {
1407 mix->i2c.init_client = snapper_init_client;
1408 mix->i2c.name = "TAS3004";
1409 chipname = "Snapper";
1410 }
1411
1412 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
1413 return err;
1414
1415 /*
1416 * build mixers
1417 */
1418 sprintf(chip->card->mixername, "PowerMac %s", chipname);
1419
1420 if (chip->model == PMAC_TUMBLER) {
1421 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1422 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
1423 return err;
1424 }
1425 } else {
1426 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1427 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
1428 return err;
1429 }
1430 }
1431 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1432 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
1433 return err;
1434 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1435 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
1436 return err;
1437 if (mix->line_mute.addr != 0) {
1438 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1439 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0)
1440 return err;
1441 }
1442 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1443 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
1444 return err;
1445
1446 /* set initial DRC range to 60% */
1447 if (chip->model == PMAC_TUMBLER)
1448 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1449 else
1450 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1451 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1452 if (chip->model == PMAC_TUMBLER)
1453 tumbler_set_drc(mix);
1454 else
1455 snapper_set_drc(mix);
1456
1457 #ifdef CONFIG_PM
1458 chip->suspend = tumbler_suspend;
1459 chip->resume = tumbler_resume;
1460 #endif
1461
1462 INIT_WORK(&device_change, device_change_handler);
1463 device_change_chip = chip;
1464
1465 #ifdef PMAC_SUPPORT_AUTOMUTE
1466 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0)
1467 && (err = snd_pmac_add_automute(chip)) < 0)
1468 return err;
1469 chip->detect_headphone = tumbler_detect_headphone;
1470 chip->update_automute = tumbler_update_automute;
1471 tumbler_update_automute(chip, 0); /* update the status only */
1472
1473 /* activate headphone status interrupts */
1474 if (mix->headphone_irq >= 0) {
1475 unsigned char val;
1476 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0,
1477 "Sound Headphone Detection", chip)) < 0)
1478 return 0;
1479 /* activate headphone status interrupts */
1480 val = do_gpio_read(&mix->hp_detect);
1481 do_gpio_write(&mix->hp_detect, val | 0x80);
1482 }
1483 if (mix->lineout_irq >= 0) {
1484 unsigned char val;
1485 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0,
1486 "Sound Lineout Detection", chip)) < 0)
1487 return 0;
1488 /* activate headphone status interrupts */
1489 val = do_gpio_read(&mix->line_detect);
1490 do_gpio_write(&mix->line_detect, val | 0x80);
1491 }
1492 #endif
1493
1494 return 0;
1495 }
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