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GUI: Fix Tomato RAF theme for all builds. Compilation typo.
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / sound / ppc / tumbler.c
blob85305995fe9b131a96299d707a7634104963ae43
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 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
721
722 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
723 struct snd_ctl_elem_value *ucontrol)
724 {
725 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
726 struct pmac_tumbler *mix;
727 struct pmac_gpio *gp;
728 if (! (mix = chip->mixer_data))
729 return -ENODEV;
730 switch(kcontrol->private_value) {
731 case TUMBLER_MUTE_HP:
732 gp = &mix->hp_mute; break;
733 case TUMBLER_MUTE_AMP:
734 gp = &mix->amp_mute; break;
735 case TUMBLER_MUTE_LINE:
736 gp = &mix->line_mute; break;
737 default:
738 gp = NULL;
739 }
740 if (gp == NULL)
741 return -EINVAL;
742 ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
743 return 0;
744 }
745
746 static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
747 struct snd_ctl_elem_value *ucontrol)
748 {
749 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
750 struct pmac_tumbler *mix;
751 struct pmac_gpio *gp;
752 int val;
753 #ifdef PMAC_SUPPORT_AUTOMUTE
754 if (chip->update_automute && chip->auto_mute)
755 return 0; /* don't touch in the auto-mute mode */
756 #endif
757 if (! (mix = chip->mixer_data))
758 return -ENODEV;
759 switch(kcontrol->private_value) {
760 case TUMBLER_MUTE_HP:
761 gp = &mix->hp_mute; break;
762 case TUMBLER_MUTE_AMP:
763 gp = &mix->amp_mute; break;
764 case TUMBLER_MUTE_LINE:
765 gp = &mix->line_mute; break;
766 default:
767 gp = NULL;
768 }
769 if (gp == NULL)
770 return -EINVAL;
771 val = ! check_audio_gpio(gp);
772 if (val != ucontrol->value.integer.value[0]) {
773 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
774 return 1;
775 }
776 return 0;
777 }
778
779 static int snapper_set_capture_source(struct pmac_tumbler *mix)
780 {
781 if (! mix->i2c.client)
782 return -ENODEV;
783 if (mix->capture_source)
784 mix->acs = mix->acs |= 2;
785 else
786 mix->acs &= ~2;
787 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
788 }
789
790 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
791 struct snd_ctl_elem_info *uinfo)
792 {
793 static char *texts[2] = {
794 "Line", "Mic"
795 };
796 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
797 uinfo->count = 1;
798 uinfo->value.enumerated.items = 2;
799 if (uinfo->value.enumerated.item > 1)
800 uinfo->value.enumerated.item = 1;
801 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
802 return 0;
803 }
804
805 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
806 struct snd_ctl_elem_value *ucontrol)
807 {
808 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
809 struct pmac_tumbler *mix = chip->mixer_data;
810
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 change = ucontrol->value.enumerated.item[0] != mix->capture_source;
823 if (change) {
824 mix->capture_source = !!ucontrol->value.enumerated.item[0];
825 snapper_set_capture_source(mix);
826 }
827 return change;
828 }
829
830 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
831 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
832 .name = xname, \
833 .info = snapper_info_mix, \
834 .get = snapper_get_mix, \
835 .put = snapper_put_mix, \
836 .index = idx,\
837 .private_value = ofs, \
838 }
839
840
841 /*
842 */
843 static struct snd_kcontrol_new tumbler_mixers[] __devinitdata = {
844 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
845 .name = "Master Playback Volume",
846 .info = tumbler_info_master_volume,
847 .get = tumbler_get_master_volume,
848 .put = tumbler_put_master_volume
849 },
850 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
851 .name = "Master Playback Switch",
852 .info = snd_pmac_boolean_stereo_info,
853 .get = tumbler_get_master_switch,
854 .put = tumbler_put_master_switch
855 },
856 DEFINE_MONO("Tone Control - Bass", bass),
857 DEFINE_MONO("Tone Control - Treble", treble),
858 DEFINE_MONO("PCM Playback Volume", pcm),
859 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
860 .name = "DRC Range",
861 .info = tumbler_info_drc_value,
862 .get = tumbler_get_drc_value,
863 .put = tumbler_put_drc_value
864 },
865 };
866
867 static struct snd_kcontrol_new snapper_mixers[] __devinitdata = {
868 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
869 .name = "Master Playback Volume",
870 .info = tumbler_info_master_volume,
871 .get = tumbler_get_master_volume,
872 .put = tumbler_put_master_volume
873 },
874 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
875 .name = "Master Playback Switch",
876 .info = snd_pmac_boolean_stereo_info,
877 .get = tumbler_get_master_switch,
878 .put = tumbler_put_master_switch
879 },
880 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
881 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
882 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, 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",
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 __devinitdata = {
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 __devinitdata = {
909 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
910 .name = "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 __devinitdata = {
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 __devinitdata = {
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 if (snd_BUG_ON(!mix))
982 return;
983
984 headphone = tumbler_detect_headphone(chip);
985 lineout = tumbler_detect_lineout(chip);
986
987 DBG("headphone: %d, lineout: %d\n", headphone, lineout);
988
989 if (headphone || lineout) {
990 /* unmute headphone/lineout & mute speaker */
991 if (headphone)
992 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
993 chip->master_sw_ctl);
994 if (lineout && mix->line_mute.addr != 0)
995 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
996 chip->lineout_sw_ctl);
997 if (mix->anded_reset)
998 msleep(10);
999 check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify,
1000 chip->speaker_sw_ctl);
1001 } else {
1002 /* unmute speaker, mute others */
1003 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
1004 chip->speaker_sw_ctl);
1005 if (mix->anded_reset)
1006 msleep(10);
1007 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
1008 chip->master_sw_ctl);
1009 if (mix->line_mute.addr != 0)
1010 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
1011 chip->lineout_sw_ctl);
1012 }
1013 if (mix->auto_mute_notify)
1014 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1015 &chip->hp_detect_ctl->id);
1016
1017 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1018 mix->drc_enable = ! (headphone || lineout);
1019 if (mix->auto_mute_notify)
1020 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1021 &chip->drc_sw_ctl->id);
1022 if (chip->model == PMAC_TUMBLER)
1023 tumbler_set_drc(mix);
1024 else
1025 snapper_set_drc(mix);
1026 #endif
1027
1028 /* reset the master volume so the correct amplification is applied */
1029 tumbler_set_master_volume(mix);
1030 }
1031
1032 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1033 {
1034 if (chip->auto_mute) {
1035 struct pmac_tumbler *mix;
1036 mix = chip->mixer_data;
1037 if (snd_BUG_ON(!mix))
1038 return;
1039 mix->auto_mute_notify = do_notify;
1040 schedule_work(&device_change);
1041 }
1042 }
1043 #endif /* PMAC_SUPPORT_AUTOMUTE */
1044
1045
1046 /* interrupt - headphone plug changed */
1047 static irqreturn_t headphone_intr(int irq, void *devid)
1048 {
1049 struct snd_pmac *chip = devid;
1050 if (chip->update_automute && chip->initialized) {
1051 chip->update_automute(chip, 1);
1052 return IRQ_HANDLED;
1053 }
1054 return IRQ_NONE;
1055 }
1056
1057 /* look for audio-gpio device */
1058 static struct device_node *find_audio_device(const char *name)
1059 {
1060 struct device_node *gpiop;
1061 struct device_node *np;
1062
1063 gpiop = of_find_node_by_name(NULL, "gpio");
1064 if (! gpiop)
1065 return NULL;
1066
1067 for (np = of_get_next_child(gpiop, NULL); np;
1068 np = of_get_next_child(gpiop, np)) {
1069 const char *property = of_get_property(np, "audio-gpio", NULL);
1070 if (property && strcmp(property, name) == 0)
1071 break;
1072 }
1073 of_node_put(gpiop);
1074 return np;
1075 }
1076
1077 /* look for audio-gpio device */
1078 static struct device_node *find_compatible_audio_device(const char *name)
1079 {
1080 struct device_node *gpiop;
1081 struct device_node *np;
1082
1083 gpiop = of_find_node_by_name(NULL, "gpio");
1084 if (!gpiop)
1085 return NULL;
1086
1087 for (np = of_get_next_child(gpiop, NULL); np;
1088 np = of_get_next_child(gpiop, np)) {
1089 if (of_device_is_compatible(np, name))
1090 break;
1091 }
1092 of_node_put(gpiop);
1093 return np;
1094 }
1095
1096 /* find an audio device and get its address */
1097 static long tumbler_find_device(const char *device, const char *platform,
1098 struct pmac_gpio *gp, int is_compatible)
1099 {
1100 struct device_node *node;
1101 const u32 *base;
1102 u32 addr;
1103 long ret;
1104
1105 if (is_compatible)
1106 node = find_compatible_audio_device(device);
1107 else
1108 node = find_audio_device(device);
1109 if (! node) {
1110 DBG("(W) cannot find audio device %s !\n", device);
1111 snd_printdd("cannot find device %s\n", device);
1112 return -ENODEV;
1113 }
1114
1115 base = of_get_property(node, "AAPL,address", NULL);
1116 if (! base) {
1117 base = of_get_property(node, "reg", NULL);
1118 if (!base) {
1119 DBG("(E) cannot find address for device %s !\n", device);
1120 snd_printd("cannot find address for device %s\n", device);
1121 of_node_put(node);
1122 return -ENODEV;
1123 }
1124 addr = *base;
1125 if (addr < 0x50)
1126 addr += 0x50;
1127 } else
1128 addr = *base;
1129
1130 gp->addr = addr & 0x0000ffff;
1131 /* Try to find the active state, default to 0 ! */
1132 base = of_get_property(node, "audio-gpio-active-state", NULL);
1133 if (base) {
1134 gp->active_state = *base;
1135 gp->active_val = (*base) ? 0x5 : 0x4;
1136 gp->inactive_val = (*base) ? 0x4 : 0x5;
1137 } else {
1138 const u32 *prop = NULL;
1139 gp->active_state = IS_G4DA
1140 && !strncmp(device, "keywest-gpio1", 13);
1141 gp->active_val = 0x4;
1142 gp->inactive_val = 0x5;
1143 /* Here are some crude hacks to extract the GPIO polarity and
1144 * open collector informations out of the do-platform script
1145 * as we don't yet have an interpreter for these things
1146 */
1147 if (platform)
1148 prop = of_get_property(node, platform, NULL);
1149 if (prop) {
1150 if (prop[3] == 0x9 && prop[4] == 0x9) {
1151 gp->active_val = 0xd;
1152 gp->inactive_val = 0xc;
1153 }
1154 if (prop[3] == 0x1 && prop[4] == 0x1) {
1155 gp->active_val = 0x5;
1156 gp->inactive_val = 0x4;
1157 }
1158 }
1159 }
1160
1161 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
1162 device, gp->addr, gp->active_state);
1163
1164 ret = irq_of_parse_and_map(node, 0);
1165 of_node_put(node);
1166 return ret;
1167 }
1168
1169 /* reset audio */
1170 static void tumbler_reset_audio(struct snd_pmac *chip)
1171 {
1172 struct pmac_tumbler *mix = chip->mixer_data;
1173
1174 if (mix->anded_reset) {
1175 DBG("(I) codec anded reset !\n");
1176 write_audio_gpio(&mix->hp_mute, 0);
1177 write_audio_gpio(&mix->amp_mute, 0);
1178 msleep(200);
1179 write_audio_gpio(&mix->hp_mute, 1);
1180 write_audio_gpio(&mix->amp_mute, 1);
1181 msleep(100);
1182 write_audio_gpio(&mix->hp_mute, 0);
1183 write_audio_gpio(&mix->amp_mute, 0);
1184 msleep(100);
1185 } else {
1186 DBG("(I) codec normal reset !\n");
1187
1188 write_audio_gpio(&mix->audio_reset, 0);
1189 msleep(200);
1190 write_audio_gpio(&mix->audio_reset, 1);
1191 msleep(100);
1192 write_audio_gpio(&mix->audio_reset, 0);
1193 msleep(100);
1194 }
1195 }
1196
1197 #ifdef CONFIG_PM
1198 /* suspend mixer */
1199 static void tumbler_suspend(struct snd_pmac *chip)
1200 {
1201 struct pmac_tumbler *mix = chip->mixer_data;
1202
1203 if (mix->headphone_irq >= 0)
1204 disable_irq(mix->headphone_irq);
1205 if (mix->lineout_irq >= 0)
1206 disable_irq(mix->lineout_irq);
1207 mix->save_master_switch[0] = mix->master_switch[0];
1208 mix->save_master_switch[1] = mix->master_switch[1];
1209 mix->save_master_vol[0] = mix->master_vol[0];
1210 mix->save_master_vol[1] = mix->master_vol[1];
1211 mix->master_switch[0] = mix->master_switch[1] = 0;
1212 tumbler_set_master_volume(mix);
1213 if (!mix->anded_reset) {
1214 write_audio_gpio(&mix->amp_mute, 1);
1215 write_audio_gpio(&mix->hp_mute, 1);
1216 }
1217 if (chip->model == PMAC_SNAPPER) {
1218 mix->acs |= 1;
1219 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1220 }
1221 if (mix->anded_reset) {
1222 write_audio_gpio(&mix->amp_mute, 1);
1223 write_audio_gpio(&mix->hp_mute, 1);
1224 } else
1225 write_audio_gpio(&mix->audio_reset, 1);
1226 }
1227
1228 /* resume mixer */
1229 static void tumbler_resume(struct snd_pmac *chip)
1230 {
1231 struct pmac_tumbler *mix = chip->mixer_data;
1232
1233 mix->acs &= ~1;
1234 mix->master_switch[0] = mix->save_master_switch[0];
1235 mix->master_switch[1] = mix->save_master_switch[1];
1236 mix->master_vol[0] = mix->save_master_vol[0];
1237 mix->master_vol[1] = mix->save_master_vol[1];
1238 tumbler_reset_audio(chip);
1239 if (mix->i2c.client && mix->i2c.init_client) {
1240 if (mix->i2c.init_client(&mix->i2c) < 0)
1241 printk(KERN_ERR "tumbler_init_client error\n");
1242 } else
1243 printk(KERN_ERR "tumbler: i2c is not initialized\n");
1244 if (chip->model == PMAC_TUMBLER) {
1245 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1246 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1247 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1248 tumbler_set_drc(mix);
1249 } else {
1250 snapper_set_mix_vol(mix, VOL_IDX_PCM);
1251 snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1252 snapper_set_mix_vol(mix, VOL_IDX_ADC);
1253 tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1254 tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1255 snapper_set_drc(mix);
1256 snapper_set_capture_source(mix);
1257 }
1258 tumbler_set_master_volume(mix);
1259 if (chip->update_automute)
1260 chip->update_automute(chip, 0);
1261 if (mix->headphone_irq >= 0) {
1262 unsigned char val;
1263
1264 enable_irq(mix->headphone_irq);
1265 /* activate headphone status interrupts */
1266 val = do_gpio_read(&mix->hp_detect);
1267 do_gpio_write(&mix->hp_detect, val | 0x80);
1268 }
1269 if (mix->lineout_irq >= 0)
1270 enable_irq(mix->lineout_irq);
1271 }
1272 #endif
1273
1274 /* initialize tumbler */
1275 static int __devinit tumbler_init(struct snd_pmac *chip)
1276 {
1277 int irq;
1278 struct pmac_tumbler *mix = chip->mixer_data;
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 if (IS_G4DA && irq <= NO_IRQ)
1319 irq = tumbler_find_device("keywest-gpio16",
1320 NULL, &mix->line_detect, 1);
1321 mix->lineout_irq = irq;
1322
1323 tumbler_reset_audio(chip);
1324
1325 return 0;
1326 }
1327
1328 static void tumbler_cleanup(struct snd_pmac *chip)
1329 {
1330 struct pmac_tumbler *mix = chip->mixer_data;
1331 if (! mix)
1332 return;
1333
1334 if (mix->headphone_irq >= 0)
1335 free_irq(mix->headphone_irq, chip);
1336 if (mix->lineout_irq >= 0)
1337 free_irq(mix->lineout_irq, chip);
1338 tumbler_gpio_free(&mix->audio_reset);
1339 tumbler_gpio_free(&mix->amp_mute);
1340 tumbler_gpio_free(&mix->hp_mute);
1341 tumbler_gpio_free(&mix->hp_detect);
1342 snd_pmac_keywest_cleanup(&mix->i2c);
1343 kfree(mix);
1344 chip->mixer_data = NULL;
1345 }
1346
1347 /* exported */
1348 int __devinit snd_pmac_tumbler_init(struct snd_pmac *chip)
1349 {
1350 int i, err;
1351 struct pmac_tumbler *mix;
1352 const u32 *paddr;
1353 struct device_node *tas_node, *np;
1354 char *chipname;
1355
1356 request_module("i2c-powermac");
1357
1358 mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1359 if (! mix)
1360 return -ENOMEM;
1361 mix->headphone_irq = -1;
1362
1363 chip->mixer_data = mix;
1364 chip->mixer_free = tumbler_cleanup;
1365 mix->anded_reset = 0;
1366 mix->reset_on_sleep = 1;
1367
1368 for (np = chip->node->child; np; np = np->sibling) {
1369 if (!strcmp(np->name, "sound")) {
1370 if (of_get_property(np, "has-anded-reset", NULL))
1371 mix->anded_reset = 1;
1372 if (of_get_property(np, "layout-id", NULL))
1373 mix->reset_on_sleep = 0;
1374 break;
1375 }
1376 }
1377 if ((err = tumbler_init(chip)) < 0)
1378 return err;
1379
1380 /* set up TAS */
1381 tas_node = of_find_node_by_name(NULL, "deq");
1382 if (tas_node == NULL)
1383 tas_node = of_find_node_by_name(NULL, "codec");
1384 if (tas_node == NULL)
1385 return -ENODEV;
1386
1387 paddr = of_get_property(tas_node, "i2c-address", NULL);
1388 if (paddr == NULL)
1389 paddr = of_get_property(tas_node, "reg", NULL);
1390 if (paddr)
1391 mix->i2c.addr = (*paddr) >> 1;
1392 else
1393 mix->i2c.addr = TAS_I2C_ADDR;
1394 of_node_put(tas_node);
1395
1396 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1397
1398 if (chip->model == PMAC_TUMBLER) {
1399 mix->i2c.init_client = tumbler_init_client;
1400 mix->i2c.name = "TAS3001c";
1401 chipname = "Tumbler";
1402 } else {
1403 mix->i2c.init_client = snapper_init_client;
1404 mix->i2c.name = "TAS3004";
1405 chipname = "Snapper";
1406 }
1407
1408 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
1409 return err;
1410
1411 /*
1412 * build mixers
1413 */
1414 sprintf(chip->card->mixername, "PowerMac %s", chipname);
1415
1416 if (chip->model == PMAC_TUMBLER) {
1417 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1418 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
1419 return err;
1420 }
1421 } else {
1422 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1423 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
1424 return err;
1425 }
1426 }
1427 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1428 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
1429 return err;
1430 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1431 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
1432 return err;
1433 if (mix->line_mute.addr != 0) {
1434 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1435 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0)
1436 return err;
1437 }
1438 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1439 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
1440 return err;
1441
1442 /* set initial DRC range to 60% */
1443 if (chip->model == PMAC_TUMBLER)
1444 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1445 else
1446 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1447 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1448 if (chip->model == PMAC_TUMBLER)
1449 tumbler_set_drc(mix);
1450 else
1451 snapper_set_drc(mix);
1452
1453 #ifdef CONFIG_PM
1454 chip->suspend = tumbler_suspend;
1455 chip->resume = tumbler_resume;
1456 #endif
1457
1458 INIT_WORK(&device_change, device_change_handler);
1459 device_change_chip = chip;
1460
1461 #ifdef PMAC_SUPPORT_AUTOMUTE
1462 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0)
1463 && (err = snd_pmac_add_automute(chip)) < 0)
1464 return err;
1465 chip->detect_headphone = tumbler_detect_headphone;
1466 chip->update_automute = tumbler_update_automute;
1467 tumbler_update_automute(chip, 0); /* update the status only */
1468
1469 /* activate headphone status interrupts */
1470 if (mix->headphone_irq >= 0) {
1471 unsigned char val;
1472 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0,
1473 "Sound Headphone Detection", chip)) < 0)
1474 return 0;
1475 /* activate headphone status interrupts */
1476 val = do_gpio_read(&mix->hp_detect);
1477 do_gpio_write(&mix->hp_detect, val | 0x80);
1478 }
1479 if (mix->lineout_irq >= 0) {
1480 unsigned char val;
1481 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0,
1482 "Sound Lineout Detection", chip)) < 0)
1483 return 0;
1484 /* activate headphone status interrupts */
1485 val = do_gpio_read(&mix->line_detect);
1486 do_gpio_write(&mix->line_detect, val | 0x80);
1487 }
1488 #endif
1489
1490 return 0;
1491 }
Tomato firmware and modifications.