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ALSA: bebob: Fix failure to detect source of clock for Terratec Phase 88
[linux/fpc-iii.git] / sound / ppc / tumbler.c
blobb9ffc17a47996230b4c1a808a225c90005f33981
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 <linux/of_irq.h>
35 #include <sound/core.h>
36 #include <asm/io.h>
37 #include <asm/irq.h>
38 #include <asm/machdep.h>
39 #include <asm/pmac_feature.h>
40 #include "pmac.h"
41 #include "tumbler_volume.h"
42
43 #undef DEBUG
44
45 #ifdef DEBUG
46 #define DBG(fmt...) printk(KERN_DEBUG fmt)
47 #else
48 #define DBG(fmt...)
49 #endif
50
51 #define IS_G4DA (of_machine_is_compatible("PowerMac3,4"))
52
53 /* i2c address for tumbler */
54 #define TAS_I2C_ADDR 0x34
55
56 /* registers */
57 #define TAS_REG_MCS 0x01 /* main control */
58 #define TAS_REG_DRC 0x02
59 #define TAS_REG_VOL 0x04
60 #define TAS_REG_TREBLE 0x05
61 #define TAS_REG_BASS 0x06
62 #define TAS_REG_INPUT1 0x07
63 #define TAS_REG_INPUT2 0x08
64
65 /* tas3001c */
66 #define TAS_REG_PCM TAS_REG_INPUT1
67
68 /* tas3004 */
69 #define TAS_REG_LMIX TAS_REG_INPUT1
70 #define TAS_REG_RMIX TAS_REG_INPUT2
71 #define TAS_REG_MCS2 0x43 /* main control 2 */
72 #define TAS_REG_ACS 0x40 /* analog control */
73
74 /* mono volumes for tas3001c/tas3004 */
75 enum {
76 VOL_IDX_PCM_MONO, /* tas3001c only */
77 VOL_IDX_BASS, VOL_IDX_TREBLE,
78 VOL_IDX_LAST_MONO
79 };
80
81 /* stereo volumes for tas3004 */
82 enum {
83 VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC,
84 VOL_IDX_LAST_MIX
85 };
86
87 struct pmac_gpio {
88 unsigned int addr;
89 u8 active_val;
90 u8 inactive_val;
91 u8 active_state;
92 };
93
94 struct pmac_tumbler {
95 struct pmac_keywest i2c;
96 struct pmac_gpio audio_reset;
97 struct pmac_gpio amp_mute;
98 struct pmac_gpio line_mute;
99 struct pmac_gpio line_detect;
100 struct pmac_gpio hp_mute;
101 struct pmac_gpio hp_detect;
102 int headphone_irq;
103 int lineout_irq;
104 unsigned int save_master_vol[2];
105 unsigned int master_vol[2];
106 unsigned int save_master_switch[2];
107 unsigned int master_switch[2];
108 unsigned int mono_vol[VOL_IDX_LAST_MONO];
109 unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */
110 int drc_range;
111 int drc_enable;
112 int capture_source;
113 int anded_reset;
114 int auto_mute_notify;
115 int reset_on_sleep;
116 u8 acs;
117 };
118
119
120 /*
121 */
122
123 static int send_init_client(struct pmac_keywest *i2c, unsigned int *regs)
124 {
125 while (*regs > 0) {
126 int err, count = 10;
127 do {
128 err = i2c_smbus_write_byte_data(i2c->client,
129 regs[0], regs[1]);
130 if (err >= 0)
131 break;
132 DBG("(W) i2c error %d\n", err);
133 mdelay(10);
134 } while (count--);
135 if (err < 0)
136 return -ENXIO;
137 regs += 2;
138 }
139 return 0;
140 }
141
142
143 static int tumbler_init_client(struct pmac_keywest *i2c)
144 {
145 static unsigned int regs[] = {
146 /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */
147 TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0,
148 0, /* terminator */
149 };
150 DBG("(I) tumbler init client\n");
151 return send_init_client(i2c, regs);
152 }
153
154 static int snapper_init_client(struct pmac_keywest *i2c)
155 {
156 static unsigned int regs[] = {
157 /* normal operation, SCLK=64fps, i2s output, 16bit width */
158 TAS_REG_MCS, (1<<6)|(2<<4)|0,
159 /* normal operation, all-pass mode */
160 TAS_REG_MCS2, (1<<1),
161 /* normal output, no deemphasis, A input, power-up, line-in */
162 TAS_REG_ACS, 0,
163 0, /* terminator */
164 };
165 DBG("(I) snapper init client\n");
166 return send_init_client(i2c, regs);
167 }
168
169 /*
170 * gpio access
171 */
172 #define do_gpio_write(gp, val) \
173 pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val)
174 #define do_gpio_read(gp) \
175 pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0)
176 #define tumbler_gpio_free(gp) /* NOP */
177
178 static void write_audio_gpio(struct pmac_gpio *gp, int active)
179 {
180 if (! gp->addr)
181 return;
182 active = active ? gp->active_val : gp->inactive_val;
183 do_gpio_write(gp, active);
184 DBG("(I) gpio %x write %d\n", gp->addr, active);
185 }
186
187 static int check_audio_gpio(struct pmac_gpio *gp)
188 {
189 int ret;
190
191 if (! gp->addr)
192 return 0;
193
194 ret = do_gpio_read(gp);
195
196 return (ret & 0x1) == (gp->active_val & 0x1);
197 }
198
199 static int read_audio_gpio(struct pmac_gpio *gp)
200 {
201 int ret;
202 if (! gp->addr)
203 return 0;
204 ret = do_gpio_read(gp);
205 ret = (ret & 0x02) !=0;
206 return ret == gp->active_state;
207 }
208
209 /*
210 * update master volume
211 */
212 static int tumbler_set_master_volume(struct pmac_tumbler *mix)
213 {
214 unsigned char block[6];
215 unsigned int left_vol, right_vol;
216
217 if (! mix->i2c.client)
218 return -ENODEV;
219
220 if (! mix->master_switch[0])
221 left_vol = 0;
222 else {
223 left_vol = mix->master_vol[0];
224 if (left_vol >= ARRAY_SIZE(master_volume_table))
225 left_vol = ARRAY_SIZE(master_volume_table) - 1;
226 left_vol = master_volume_table[left_vol];
227 }
228 if (! mix->master_switch[1])
229 right_vol = 0;
230 else {
231 right_vol = mix->master_vol[1];
232 if (right_vol >= ARRAY_SIZE(master_volume_table))
233 right_vol = ARRAY_SIZE(master_volume_table) - 1;
234 right_vol = master_volume_table[right_vol];
235 }
236
237 block[0] = (left_vol >> 16) & 0xff;
238 block[1] = (left_vol >> 8) & 0xff;
239 block[2] = (left_vol >> 0) & 0xff;
240
241 block[3] = (right_vol >> 16) & 0xff;
242 block[4] = (right_vol >> 8) & 0xff;
243 block[5] = (right_vol >> 0) & 0xff;
244
245 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6,
246 block) < 0) {
247 snd_printk(KERN_ERR "failed to set volume \n");
248 return -EINVAL;
249 }
250 DBG("(I) succeeded to set volume (%u, %u)\n", left_vol, right_vol);
251 return 0;
252 }
253
254
255 /* output volume */
256 static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol,
257 struct snd_ctl_elem_info *uinfo)
258 {
259 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
260 uinfo->count = 2;
261 uinfo->value.integer.min = 0;
262 uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1;
263 return 0;
264 }
265
266 static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol,
267 struct snd_ctl_elem_value *ucontrol)
268 {
269 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
270 struct pmac_tumbler *mix = chip->mixer_data;
271
272 ucontrol->value.integer.value[0] = mix->master_vol[0];
273 ucontrol->value.integer.value[1] = mix->master_vol[1];
274 return 0;
275 }
276
277 static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol,
278 struct snd_ctl_elem_value *ucontrol)
279 {
280 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
281 struct pmac_tumbler *mix = chip->mixer_data;
282 unsigned int vol[2];
283 int change;
284
285 vol[0] = ucontrol->value.integer.value[0];
286 vol[1] = ucontrol->value.integer.value[1];
287 if (vol[0] >= ARRAY_SIZE(master_volume_table) ||
288 vol[1] >= ARRAY_SIZE(master_volume_table))
289 return -EINVAL;
290 change = mix->master_vol[0] != vol[0] ||
291 mix->master_vol[1] != vol[1];
292 if (change) {
293 mix->master_vol[0] = vol[0];
294 mix->master_vol[1] = vol[1];
295 tumbler_set_master_volume(mix);
296 }
297 return change;
298 }
299
300 /* output switch */
301 static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol,
302 struct snd_ctl_elem_value *ucontrol)
303 {
304 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
305 struct pmac_tumbler *mix = chip->mixer_data;
306
307 ucontrol->value.integer.value[0] = mix->master_switch[0];
308 ucontrol->value.integer.value[1] = mix->master_switch[1];
309 return 0;
310 }
311
312 static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol,
313 struct snd_ctl_elem_value *ucontrol)
314 {
315 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
316 struct pmac_tumbler *mix = chip->mixer_data;
317 int change;
318
319 change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
320 mix->master_switch[1] != ucontrol->value.integer.value[1];
321 if (change) {
322 mix->master_switch[0] = !!ucontrol->value.integer.value[0];
323 mix->master_switch[1] = !!ucontrol->value.integer.value[1];
324 tumbler_set_master_volume(mix);
325 }
326 return change;
327 }
328
329
330 /*
331 * TAS3001c dynamic range compression
332 */
333
334 #define TAS3001_DRC_MAX 0x5f
335
336 static int tumbler_set_drc(struct pmac_tumbler *mix)
337 {
338 unsigned char val[2];
339
340 if (! mix->i2c.client)
341 return -ENODEV;
342
343 if (mix->drc_enable) {
344 val[0] = 0xc1; /* enable, 3:1 compression */
345 if (mix->drc_range > TAS3001_DRC_MAX)
346 val[1] = 0xf0;
347 else if (mix->drc_range < 0)
348 val[1] = 0x91;
349 else
350 val[1] = mix->drc_range + 0x91;
351 } else {
352 val[0] = 0;
353 val[1] = 0;
354 }
355
356 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
357 2, val) < 0) {
358 snd_printk(KERN_ERR "failed to set DRC\n");
359 return -EINVAL;
360 }
361 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
362 return 0;
363 }
364
365 /*
366 * TAS3004
367 */
368
369 #define TAS3004_DRC_MAX 0xef
370
371 static int snapper_set_drc(struct pmac_tumbler *mix)
372 {
373 unsigned char val[6];
374
375 if (! mix->i2c.client)
376 return -ENODEV;
377
378 if (mix->drc_enable)
379 val[0] = 0x50; /* 3:1 above threshold */
380 else
381 val[0] = 0x51; /* disabled */
382 val[1] = 0x02; /* 1:1 below threshold */
383 if (mix->drc_range > 0xef)
384 val[2] = 0xef;
385 else if (mix->drc_range < 0)
386 val[2] = 0x00;
387 else
388 val[2] = mix->drc_range;
389 val[3] = 0xb0;
390 val[4] = 0x60;
391 val[5] = 0xa0;
392
393 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
394 6, val) < 0) {
395 snd_printk(KERN_ERR "failed to set DRC\n");
396 return -EINVAL;
397 }
398 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
399 return 0;
400 }
401
402 static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol,
403 struct snd_ctl_elem_info *uinfo)
404 {
405 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
406 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
407 uinfo->count = 1;
408 uinfo->value.integer.min = 0;
409 uinfo->value.integer.max =
410 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
411 return 0;
412 }
413
414 static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol,
415 struct snd_ctl_elem_value *ucontrol)
416 {
417 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
418 struct pmac_tumbler *mix;
419 if (! (mix = chip->mixer_data))
420 return -ENODEV;
421 ucontrol->value.integer.value[0] = mix->drc_range;
422 return 0;
423 }
424
425 static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol,
426 struct snd_ctl_elem_value *ucontrol)
427 {
428 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
429 struct pmac_tumbler *mix;
430 unsigned int val;
431 int change;
432
433 if (! (mix = chip->mixer_data))
434 return -ENODEV;
435 val = ucontrol->value.integer.value[0];
436 if (chip->model == PMAC_TUMBLER) {
437 if (val > TAS3001_DRC_MAX)
438 return -EINVAL;
439 } else {
440 if (val > TAS3004_DRC_MAX)
441 return -EINVAL;
442 }
443 change = mix->drc_range != val;
444 if (change) {
445 mix->drc_range = val;
446 if (chip->model == PMAC_TUMBLER)
447 tumbler_set_drc(mix);
448 else
449 snapper_set_drc(mix);
450 }
451 return change;
452 }
453
454 static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol,
455 struct snd_ctl_elem_value *ucontrol)
456 {
457 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
458 struct pmac_tumbler *mix;
459 if (! (mix = chip->mixer_data))
460 return -ENODEV;
461 ucontrol->value.integer.value[0] = mix->drc_enable;
462 return 0;
463 }
464
465 static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol,
466 struct snd_ctl_elem_value *ucontrol)
467 {
468 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
469 struct pmac_tumbler *mix;
470 int change;
471
472 if (! (mix = chip->mixer_data))
473 return -ENODEV;
474 change = mix->drc_enable != ucontrol->value.integer.value[0];
475 if (change) {
476 mix->drc_enable = !!ucontrol->value.integer.value[0];
477 if (chip->model == PMAC_TUMBLER)
478 tumbler_set_drc(mix);
479 else
480 snapper_set_drc(mix);
481 }
482 return change;
483 }
484
485
486 /*
487 * mono volumes
488 */
489
490 struct tumbler_mono_vol {
491 int index;
492 int reg;
493 int bytes;
494 unsigned int max;
495 unsigned int *table;
496 };
497
498 static int tumbler_set_mono_volume(struct pmac_tumbler *mix,
499 struct tumbler_mono_vol *info)
500 {
501 unsigned char block[4];
502 unsigned int vol;
503 int i;
504
505 if (! mix->i2c.client)
506 return -ENODEV;
507
508 vol = mix->mono_vol[info->index];
509 if (vol >= info->max)
510 vol = info->max - 1;
511 vol = info->table[vol];
512 for (i = 0; i < info->bytes; i++)
513 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
514 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg,
515 info->bytes, block) < 0) {
516 snd_printk(KERN_ERR "failed to set mono volume %d\n",
517 info->index);
518 return -EINVAL;
519 }
520 return 0;
521 }
522
523 static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
524 struct snd_ctl_elem_info *uinfo)
525 {
526 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
527
528 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
529 uinfo->count = 1;
530 uinfo->value.integer.min = 0;
531 uinfo->value.integer.max = info->max - 1;
532 return 0;
533 }
534
535 static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
536 struct snd_ctl_elem_value *ucontrol)
537 {
538 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
539 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
540 struct pmac_tumbler *mix;
541 if (! (mix = chip->mixer_data))
542 return -ENODEV;
543 ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
544 return 0;
545 }
546
547 static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
548 struct snd_ctl_elem_value *ucontrol)
549 {
550 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
551 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
552 struct pmac_tumbler *mix;
553 unsigned int vol;
554 int change;
555
556 if (! (mix = chip->mixer_data))
557 return -ENODEV;
558 vol = ucontrol->value.integer.value[0];
559 if (vol >= info->max)
560 return -EINVAL;
561 change = mix->mono_vol[info->index] != vol;
562 if (change) {
563 mix->mono_vol[info->index] = vol;
564 tumbler_set_mono_volume(mix, info);
565 }
566 return change;
567 }
568
569 /* TAS3001c mono volumes */
570 static struct tumbler_mono_vol tumbler_pcm_vol_info = {
571 .index = VOL_IDX_PCM_MONO,
572 .reg = TAS_REG_PCM,
573 .bytes = 3,
574 .max = ARRAY_SIZE(mixer_volume_table),
575 .table = mixer_volume_table,
576 };
577
578 static struct tumbler_mono_vol tumbler_bass_vol_info = {
579 .index = VOL_IDX_BASS,
580 .reg = TAS_REG_BASS,
581 .bytes = 1,
582 .max = ARRAY_SIZE(bass_volume_table),
583 .table = bass_volume_table,
584 };
585
586 static struct tumbler_mono_vol tumbler_treble_vol_info = {
587 .index = VOL_IDX_TREBLE,
588 .reg = TAS_REG_TREBLE,
589 .bytes = 1,
590 .max = ARRAY_SIZE(treble_volume_table),
591 .table = treble_volume_table,
592 };
593
594 /* TAS3004 mono volumes */
595 static struct tumbler_mono_vol snapper_bass_vol_info = {
596 .index = VOL_IDX_BASS,
597 .reg = TAS_REG_BASS,
598 .bytes = 1,
599 .max = ARRAY_SIZE(snapper_bass_volume_table),
600 .table = snapper_bass_volume_table,
601 };
602
603 static struct tumbler_mono_vol snapper_treble_vol_info = {
604 .index = VOL_IDX_TREBLE,
605 .reg = TAS_REG_TREBLE,
606 .bytes = 1,
607 .max = ARRAY_SIZE(snapper_treble_volume_table),
608 .table = snapper_treble_volume_table,
609 };
610
611
612 #define DEFINE_MONO(xname,type) { \
613 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
614 .name = xname, \
615 .info = tumbler_info_mono, \
616 .get = tumbler_get_mono, \
617 .put = tumbler_put_mono, \
618 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
619 }
620
621 #define DEFINE_SNAPPER_MONO(xname,type) { \
622 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
623 .name = xname, \
624 .info = tumbler_info_mono, \
625 .get = tumbler_get_mono, \
626 .put = tumbler_put_mono, \
627 .private_value = (unsigned long)(&snapper_##type##_vol_info), \
628 }
629
630
631 /*
632 * snapper mixer volumes
633 */
634
635 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
636 {
637 int i, j, vol;
638 unsigned char block[9];
639
640 vol = mix->mix_vol[idx][ch];
641 if (vol >= ARRAY_SIZE(mixer_volume_table)) {
642 vol = ARRAY_SIZE(mixer_volume_table) - 1;
643 mix->mix_vol[idx][ch] = vol;
644 }
645
646 for (i = 0; i < 3; i++) {
647 vol = mix->mix_vol[i][ch];
648 vol = mixer_volume_table[vol];
649 for (j = 0; j < 3; j++)
650 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
651 }
652 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
653 9, block) < 0) {
654 snd_printk(KERN_ERR "failed to set mono volume %d\n", reg);
655 return -EINVAL;
656 }
657 return 0;
658 }
659
660 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
661 {
662 if (! mix->i2c.client)
663 return -ENODEV;
664 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
665 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
666 return -EINVAL;
667 return 0;
668 }
669
670 static int snapper_info_mix(struct snd_kcontrol *kcontrol,
671 struct snd_ctl_elem_info *uinfo)
672 {
673 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
674 uinfo->count = 2;
675 uinfo->value.integer.min = 0;
676 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
677 return 0;
678 }
679
680 static int snapper_get_mix(struct snd_kcontrol *kcontrol,
681 struct snd_ctl_elem_value *ucontrol)
682 {
683 int idx = (int)kcontrol->private_value;
684 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
685 struct pmac_tumbler *mix;
686 if (! (mix = chip->mixer_data))
687 return -ENODEV;
688 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
689 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
690 return 0;
691 }
692
693 static int snapper_put_mix(struct snd_kcontrol *kcontrol,
694 struct snd_ctl_elem_value *ucontrol)
695 {
696 int idx = (int)kcontrol->private_value;
697 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
698 struct pmac_tumbler *mix;
699 unsigned int vol[2];
700 int change;
701
702 if (! (mix = chip->mixer_data))
703 return -ENODEV;
704 vol[0] = ucontrol->value.integer.value[0];
705 vol[1] = ucontrol->value.integer.value[1];
706 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
707 vol[1] >= ARRAY_SIZE(mixer_volume_table))
708 return -EINVAL;
709 change = mix->mix_vol[idx][0] != vol[0] ||
710 mix->mix_vol[idx][1] != vol[1];
711 if (change) {
712 mix->mix_vol[idx][0] = vol[0];
713 mix->mix_vol[idx][1] = vol[1];
714 snapper_set_mix_vol(mix, idx);
715 }
716 return change;
717 }
718
719
720 /*
721 * mute switches. FIXME: Turn that into software mute when both outputs are muted
722 * to avoid codec reset on ibook M7
723 */
724
725 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
726
727 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
728 struct snd_ctl_elem_value *ucontrol)
729 {
730 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
731 struct pmac_tumbler *mix;
732 struct pmac_gpio *gp;
733 if (! (mix = chip->mixer_data))
734 return -ENODEV;
735 switch(kcontrol->private_value) {
736 case TUMBLER_MUTE_HP:
737 gp = &mix->hp_mute; break;
738 case TUMBLER_MUTE_AMP:
739 gp = &mix->amp_mute; break;
740 case TUMBLER_MUTE_LINE:
741 gp = &mix->line_mute; break;
742 default:
743 gp = NULL;
744 }
745 if (gp == NULL)
746 return -EINVAL;
747 ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
748 return 0;
749 }
750
751 static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
752 struct snd_ctl_elem_value *ucontrol)
753 {
754 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
755 struct pmac_tumbler *mix;
756 struct pmac_gpio *gp;
757 int val;
758 #ifdef PMAC_SUPPORT_AUTOMUTE
759 if (chip->update_automute && chip->auto_mute)
760 return 0; /* don't touch in the auto-mute mode */
761 #endif
762 if (! (mix = chip->mixer_data))
763 return -ENODEV;
764 switch(kcontrol->private_value) {
765 case TUMBLER_MUTE_HP:
766 gp = &mix->hp_mute; break;
767 case TUMBLER_MUTE_AMP:
768 gp = &mix->amp_mute; break;
769 case TUMBLER_MUTE_LINE:
770 gp = &mix->line_mute; break;
771 default:
772 gp = NULL;
773 }
774 if (gp == NULL)
775 return -EINVAL;
776 val = ! check_audio_gpio(gp);
777 if (val != ucontrol->value.integer.value[0]) {
778 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
779 return 1;
780 }
781 return 0;
782 }
783
784 static int snapper_set_capture_source(struct pmac_tumbler *mix)
785 {
786 if (! mix->i2c.client)
787 return -ENODEV;
788 if (mix->capture_source)
789 mix->acs |= 2;
790 else
791 mix->acs &= ~2;
792 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
793 }
794
795 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
796 struct snd_ctl_elem_info *uinfo)
797 {
798 static char *texts[2] = {
799 "Line", "Mic"
800 };
801 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
802 uinfo->count = 1;
803 uinfo->value.enumerated.items = 2;
804 if (uinfo->value.enumerated.item > 1)
805 uinfo->value.enumerated.item = 1;
806 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
807 return 0;
808 }
809
810 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
811 struct snd_ctl_elem_value *ucontrol)
812 {
813 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
814 struct pmac_tumbler *mix = chip->mixer_data;
815
816 ucontrol->value.enumerated.item[0] = mix->capture_source;
817 return 0;
818 }
819
820 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
821 struct snd_ctl_elem_value *ucontrol)
822 {
823 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
824 struct pmac_tumbler *mix = chip->mixer_data;
825 int change;
826
827 change = ucontrol->value.enumerated.item[0] != mix->capture_source;
828 if (change) {
829 mix->capture_source = !!ucontrol->value.enumerated.item[0];
830 snapper_set_capture_source(mix);
831 }
832 return change;
833 }
834
835 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
837 .name = xname, \
838 .info = snapper_info_mix, \
839 .get = snapper_get_mix, \
840 .put = snapper_put_mix, \
841 .index = idx,\
842 .private_value = ofs, \
843 }
844
845
846 /*
847 */
848 static struct snd_kcontrol_new tumbler_mixers[] = {
849 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
850 .name = "Master Playback Volume",
851 .info = tumbler_info_master_volume,
852 .get = tumbler_get_master_volume,
853 .put = tumbler_put_master_volume
854 },
855 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
856 .name = "Master Playback Switch",
857 .info = snd_pmac_boolean_stereo_info,
858 .get = tumbler_get_master_switch,
859 .put = tumbler_put_master_switch
860 },
861 DEFINE_MONO("Tone Control - Bass", bass),
862 DEFINE_MONO("Tone Control - Treble", treble),
863 DEFINE_MONO("PCM Playback Volume", pcm),
864 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
865 .name = "DRC Range",
866 .info = tumbler_info_drc_value,
867 .get = tumbler_get_drc_value,
868 .put = tumbler_put_drc_value
869 },
870 };
871
872 static struct snd_kcontrol_new snapper_mixers[] = {
873 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
874 .name = "Master Playback Volume",
875 .info = tumbler_info_master_volume,
876 .get = tumbler_get_master_volume,
877 .put = tumbler_put_master_volume
878 },
879 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
880 .name = "Master Playback Switch",
881 .info = snd_pmac_boolean_stereo_info,
882 .get = tumbler_get_master_switch,
883 .put = tumbler_put_master_switch
884 },
885 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
886 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
887 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2),
888 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
889 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
890 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
891 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
892 .name = "DRC Range",
893 .info = tumbler_info_drc_value,
894 .get = tumbler_get_drc_value,
895 .put = tumbler_put_drc_value
896 },
897 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
898 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
899 .info = snapper_info_capture_source,
900 .get = snapper_get_capture_source,
901 .put = snapper_put_capture_source
902 },
903 };
904
905 static struct snd_kcontrol_new tumbler_hp_sw = {
906 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
907 .name = "Headphone 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_HP,
912 };
913 static struct snd_kcontrol_new tumbler_speaker_sw = {
914 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
915 .name = "Speaker 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_AMP,
920 };
921 static struct snd_kcontrol_new tumbler_lineout_sw = {
922 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
923 .name = "Line Out Playback Switch",
924 .info = snd_pmac_boolean_mono_info,
925 .get = tumbler_get_mute_switch,
926 .put = tumbler_put_mute_switch,
927 .private_value = TUMBLER_MUTE_LINE,
928 };
929 static struct snd_kcontrol_new tumbler_drc_sw = {
930 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
931 .name = "DRC Switch",
932 .info = snd_pmac_boolean_mono_info,
933 .get = tumbler_get_drc_switch,
934 .put = tumbler_put_drc_switch
935 };
936
937
938 #ifdef PMAC_SUPPORT_AUTOMUTE
939 /*
940 * auto-mute stuffs
941 */
942 static int tumbler_detect_headphone(struct snd_pmac *chip)
943 {
944 struct pmac_tumbler *mix = chip->mixer_data;
945 int detect = 0;
946
947 if (mix->hp_detect.addr)
948 detect |= read_audio_gpio(&mix->hp_detect);
949 return detect;
950 }
951
952 static int tumbler_detect_lineout(struct snd_pmac *chip)
953 {
954 struct pmac_tumbler *mix = chip->mixer_data;
955 int detect = 0;
956
957 if (mix->line_detect.addr)
958 detect |= read_audio_gpio(&mix->line_detect);
959 return detect;
960 }
961
962 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
963 struct snd_kcontrol *sw)
964 {
965 if (check_audio_gpio(gp) != val) {
966 write_audio_gpio(gp, val);
967 if (do_notify)
968 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
969 &sw->id);
970 }
971 }
972
973 static struct work_struct device_change;
974 static struct snd_pmac *device_change_chip;
975
976 static void device_change_handler(struct work_struct *work)
977 {
978 struct snd_pmac *chip = device_change_chip;
979 struct pmac_tumbler *mix;
980 int headphone, lineout;
981
982 if (!chip)
983 return;
984
985 mix = chip->mixer_data;
986 if (snd_BUG_ON(!mix))
987 return;
988
989 headphone = tumbler_detect_headphone(chip);
990 lineout = tumbler_detect_lineout(chip);
991
992 DBG("headphone: %d, lineout: %d\n", headphone, lineout);
993
994 if (headphone || lineout) {
995 /* unmute headphone/lineout & mute speaker */
996 if (headphone)
997 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
998 chip->master_sw_ctl);
999 if (lineout && mix->line_mute.addr != 0)
1000 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
1001 chip->lineout_sw_ctl);
1002 if (mix->anded_reset)
1003 msleep(10);
1004 check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify,
1005 chip->speaker_sw_ctl);
1006 } else {
1007 /* unmute speaker, mute others */
1008 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
1009 chip->speaker_sw_ctl);
1010 if (mix->anded_reset)
1011 msleep(10);
1012 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
1013 chip->master_sw_ctl);
1014 if (mix->line_mute.addr != 0)
1015 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
1016 chip->lineout_sw_ctl);
1017 }
1018 if (mix->auto_mute_notify)
1019 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1020 &chip->hp_detect_ctl->id);
1021
1022 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1023 mix->drc_enable = ! (headphone || lineout);
1024 if (mix->auto_mute_notify)
1025 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1026 &chip->drc_sw_ctl->id);
1027 if (chip->model == PMAC_TUMBLER)
1028 tumbler_set_drc(mix);
1029 else
1030 snapper_set_drc(mix);
1031 #endif
1032
1033 /* reset the master volume so the correct amplification is applied */
1034 tumbler_set_master_volume(mix);
1035 }
1036
1037 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1038 {
1039 if (chip->auto_mute) {
1040 struct pmac_tumbler *mix;
1041 mix = chip->mixer_data;
1042 if (snd_BUG_ON(!mix))
1043 return;
1044 mix->auto_mute_notify = do_notify;
1045 schedule_work(&device_change);
1046 }
1047 }
1048 #endif /* PMAC_SUPPORT_AUTOMUTE */
1049
1050
1051 /* interrupt - headphone plug changed */
1052 static irqreturn_t headphone_intr(int irq, void *devid)
1053 {
1054 struct snd_pmac *chip = devid;
1055 if (chip->update_automute && chip->initialized) {
1056 chip->update_automute(chip, 1);
1057 return IRQ_HANDLED;
1058 }
1059 return IRQ_NONE;
1060 }
1061
1062 /* look for audio-gpio device */
1063 static struct device_node *find_audio_device(const char *name)
1064 {
1065 struct device_node *gpiop;
1066 struct device_node *np;
1067
1068 gpiop = of_find_node_by_name(NULL, "gpio");
1069 if (! gpiop)
1070 return NULL;
1071
1072 for (np = of_get_next_child(gpiop, NULL); np;
1073 np = of_get_next_child(gpiop, np)) {
1074 const char *property = of_get_property(np, "audio-gpio", NULL);
1075 if (property && strcmp(property, name) == 0)
1076 break;
1077 }
1078 of_node_put(gpiop);
1079 return np;
1080 }
1081
1082 /* look for audio-gpio device */
1083 static struct device_node *find_compatible_audio_device(const char *name)
1084 {
1085 struct device_node *gpiop;
1086 struct device_node *np;
1087
1088 gpiop = of_find_node_by_name(NULL, "gpio");
1089 if (!gpiop)
1090 return NULL;
1091
1092 for (np = of_get_next_child(gpiop, NULL); np;
1093 np = of_get_next_child(gpiop, np)) {
1094 if (of_device_is_compatible(np, name))
1095 break;
1096 }
1097 of_node_put(gpiop);
1098 return np;
1099 }
1100
1101 /* find an audio device and get its address */
1102 static long tumbler_find_device(const char *device, const char *platform,
1103 struct pmac_gpio *gp, int is_compatible)
1104 {
1105 struct device_node *node;
1106 const u32 *base;
1107 u32 addr;
1108 long ret;
1109
1110 if (is_compatible)
1111 node = find_compatible_audio_device(device);
1112 else
1113 node = find_audio_device(device);
1114 if (! node) {
1115 DBG("(W) cannot find audio device %s !\n", device);
1116 snd_printdd("cannot find device %s\n", device);
1117 return -ENODEV;
1118 }
1119
1120 base = of_get_property(node, "AAPL,address", NULL);
1121 if (! base) {
1122 base = of_get_property(node, "reg", NULL);
1123 if (!base) {
1124 DBG("(E) cannot find address for device %s !\n", device);
1125 snd_printd("cannot find address for device %s\n", device);
1126 of_node_put(node);
1127 return -ENODEV;
1128 }
1129 addr = *base;
1130 if (addr < 0x50)
1131 addr += 0x50;
1132 } else
1133 addr = *base;
1134
1135 gp->addr = addr & 0x0000ffff;
1136 /* Try to find the active state, default to 0 ! */
1137 base = of_get_property(node, "audio-gpio-active-state", NULL);
1138 if (base) {
1139 gp->active_state = *base;
1140 gp->active_val = (*base) ? 0x5 : 0x4;
1141 gp->inactive_val = (*base) ? 0x4 : 0x5;
1142 } else {
1143 const u32 *prop = NULL;
1144 gp->active_state = IS_G4DA
1145 && !strncmp(device, "keywest-gpio1", 13);
1146 gp->active_val = 0x4;
1147 gp->inactive_val = 0x5;
1148 /* Here are some crude hacks to extract the GPIO polarity and
1149 * open collector informations out of the do-platform script
1150 * as we don't yet have an interpreter for these things
1151 */
1152 if (platform)
1153 prop = of_get_property(node, platform, NULL);
1154 if (prop) {
1155 if (prop[3] == 0x9 && prop[4] == 0x9) {
1156 gp->active_val = 0xd;
1157 gp->inactive_val = 0xc;
1158 }
1159 if (prop[3] == 0x1 && prop[4] == 0x1) {
1160 gp->active_val = 0x5;
1161 gp->inactive_val = 0x4;
1162 }
1163 }
1164 }
1165
1166 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
1167 device, gp->addr, gp->active_state);
1168
1169 ret = irq_of_parse_and_map(node, 0);
1170 of_node_put(node);
1171 return ret;
1172 }
1173
1174 /* reset audio */
1175 static void tumbler_reset_audio(struct snd_pmac *chip)
1176 {
1177 struct pmac_tumbler *mix = chip->mixer_data;
1178
1179 if (mix->anded_reset) {
1180 DBG("(I) codec anded reset !\n");
1181 write_audio_gpio(&mix->hp_mute, 0);
1182 write_audio_gpio(&mix->amp_mute, 0);
1183 msleep(200);
1184 write_audio_gpio(&mix->hp_mute, 1);
1185 write_audio_gpio(&mix->amp_mute, 1);
1186 msleep(100);
1187 write_audio_gpio(&mix->hp_mute, 0);
1188 write_audio_gpio(&mix->amp_mute, 0);
1189 msleep(100);
1190 } else {
1191 DBG("(I) codec normal reset !\n");
1192
1193 write_audio_gpio(&mix->audio_reset, 0);
1194 msleep(200);
1195 write_audio_gpio(&mix->audio_reset, 1);
1196 msleep(100);
1197 write_audio_gpio(&mix->audio_reset, 0);
1198 msleep(100);
1199 }
1200 }
1201
1202 #ifdef CONFIG_PM
1203 /* suspend mixer */
1204 static void tumbler_suspend(struct snd_pmac *chip)
1205 {
1206 struct pmac_tumbler *mix = chip->mixer_data;
1207
1208 if (mix->headphone_irq >= 0)
1209 disable_irq(mix->headphone_irq);
1210 if (mix->lineout_irq >= 0)
1211 disable_irq(mix->lineout_irq);
1212 mix->save_master_switch[0] = mix->master_switch[0];
1213 mix->save_master_switch[1] = mix->master_switch[1];
1214 mix->save_master_vol[0] = mix->master_vol[0];
1215 mix->save_master_vol[1] = mix->master_vol[1];
1216 mix->master_switch[0] = mix->master_switch[1] = 0;
1217 tumbler_set_master_volume(mix);
1218 if (!mix->anded_reset) {
1219 write_audio_gpio(&mix->amp_mute, 1);
1220 write_audio_gpio(&mix->hp_mute, 1);
1221 }
1222 if (chip->model == PMAC_SNAPPER) {
1223 mix->acs |= 1;
1224 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1225 }
1226 if (mix->anded_reset) {
1227 write_audio_gpio(&mix->amp_mute, 1);
1228 write_audio_gpio(&mix->hp_mute, 1);
1229 } else
1230 write_audio_gpio(&mix->audio_reset, 1);
1231 }
1232
1233 /* resume mixer */
1234 static void tumbler_resume(struct snd_pmac *chip)
1235 {
1236 struct pmac_tumbler *mix = chip->mixer_data;
1237
1238 mix->acs &= ~1;
1239 mix->master_switch[0] = mix->save_master_switch[0];
1240 mix->master_switch[1] = mix->save_master_switch[1];
1241 mix->master_vol[0] = mix->save_master_vol[0];
1242 mix->master_vol[1] = mix->save_master_vol[1];
1243 tumbler_reset_audio(chip);
1244 if (mix->i2c.client && mix->i2c.init_client) {
1245 if (mix->i2c.init_client(&mix->i2c) < 0)
1246 printk(KERN_ERR "tumbler_init_client error\n");
1247 } else
1248 printk(KERN_ERR "tumbler: i2c is not initialized\n");
1249 if (chip->model == PMAC_TUMBLER) {
1250 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1251 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1252 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1253 tumbler_set_drc(mix);
1254 } else {
1255 snapper_set_mix_vol(mix, VOL_IDX_PCM);
1256 snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1257 snapper_set_mix_vol(mix, VOL_IDX_ADC);
1258 tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1259 tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1260 snapper_set_drc(mix);
1261 snapper_set_capture_source(mix);
1262 }
1263 tumbler_set_master_volume(mix);
1264 if (chip->update_automute)
1265 chip->update_automute(chip, 0);
1266 if (mix->headphone_irq >= 0) {
1267 unsigned char val;
1268
1269 enable_irq(mix->headphone_irq);
1270 /* activate headphone status interrupts */
1271 val = do_gpio_read(&mix->hp_detect);
1272 do_gpio_write(&mix->hp_detect, val | 0x80);
1273 }
1274 if (mix->lineout_irq >= 0)
1275 enable_irq(mix->lineout_irq);
1276 }
1277 #endif
1278
1279 /* initialize tumbler */
1280 static int tumbler_init(struct snd_pmac *chip)
1281 {
1282 int irq;
1283 struct pmac_tumbler *mix = chip->mixer_data;
1284
1285 if (tumbler_find_device("audio-hw-reset",
1286 "platform-do-hw-reset",
1287 &mix->audio_reset, 0) < 0)
1288 tumbler_find_device("hw-reset",
1289 "platform-do-hw-reset",
1290 &mix->audio_reset, 1);
1291 if (tumbler_find_device("amp-mute",
1292 "platform-do-amp-mute",
1293 &mix->amp_mute, 0) < 0)
1294 tumbler_find_device("amp-mute",
1295 "platform-do-amp-mute",
1296 &mix->amp_mute, 1);
1297 if (tumbler_find_device("headphone-mute",
1298 "platform-do-headphone-mute",
1299 &mix->hp_mute, 0) < 0)
1300 tumbler_find_device("headphone-mute",
1301 "platform-do-headphone-mute",
1302 &mix->hp_mute, 1);
1303 if (tumbler_find_device("line-output-mute",
1304 "platform-do-lineout-mute",
1305 &mix->line_mute, 0) < 0)
1306 tumbler_find_device("line-output-mute",
1307 "platform-do-lineout-mute",
1308 &mix->line_mute, 1);
1309 irq = tumbler_find_device("headphone-detect",
1310 NULL, &mix->hp_detect, 0);
1311 if (irq <= NO_IRQ)
1312 irq = tumbler_find_device("headphone-detect",
1313 NULL, &mix->hp_detect, 1);
1314 if (irq <= NO_IRQ)
1315 irq = tumbler_find_device("keywest-gpio15",
1316 NULL, &mix->hp_detect, 1);
1317 mix->headphone_irq = irq;
1318 irq = tumbler_find_device("line-output-detect",
1319 NULL, &mix->line_detect, 0);
1320 if (irq <= NO_IRQ)
1321 irq = tumbler_find_device("line-output-detect",
1322 NULL, &mix->line_detect, 1);
1323 if (IS_G4DA && irq <= NO_IRQ)
1324 irq = tumbler_find_device("keywest-gpio16",
1325 NULL, &mix->line_detect, 1);
1326 mix->lineout_irq = irq;
1327
1328 tumbler_reset_audio(chip);
1329
1330 return 0;
1331 }
1332
1333 static void tumbler_cleanup(struct snd_pmac *chip)
1334 {
1335 struct pmac_tumbler *mix = chip->mixer_data;
1336 if (! mix)
1337 return;
1338
1339 if (mix->headphone_irq >= 0)
1340 free_irq(mix->headphone_irq, chip);
1341 if (mix->lineout_irq >= 0)
1342 free_irq(mix->lineout_irq, chip);
1343 tumbler_gpio_free(&mix->audio_reset);
1344 tumbler_gpio_free(&mix->amp_mute);
1345 tumbler_gpio_free(&mix->hp_mute);
1346 tumbler_gpio_free(&mix->hp_detect);
1347 snd_pmac_keywest_cleanup(&mix->i2c);
1348 kfree(mix);
1349 chip->mixer_data = NULL;
1350 }
1351
1352 /* exported */
1353 int snd_pmac_tumbler_init(struct snd_pmac *chip)
1354 {
1355 int i, err;
1356 struct pmac_tumbler *mix;
1357 const u32 *paddr;
1358 struct device_node *tas_node, *np;
1359 char *chipname;
1360
1361 request_module("i2c-powermac");
1362
1363 mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1364 if (! mix)
1365 return -ENOMEM;
1366 mix->headphone_irq = -1;
1367
1368 chip->mixer_data = mix;
1369 chip->mixer_free = tumbler_cleanup;
1370 mix->anded_reset = 0;
1371 mix->reset_on_sleep = 1;
1372
1373 for (np = chip->node->child; np; np = np->sibling) {
1374 if (!strcmp(np->name, "sound")) {
1375 if (of_get_property(np, "has-anded-reset", NULL))
1376 mix->anded_reset = 1;
1377 if (of_get_property(np, "layout-id", NULL))
1378 mix->reset_on_sleep = 0;
1379 break;
1380 }
1381 }
1382 if ((err = tumbler_init(chip)) < 0)
1383 return err;
1384
1385 /* set up TAS */
1386 tas_node = of_find_node_by_name(NULL, "deq");
1387 if (tas_node == NULL)
1388 tas_node = of_find_node_by_name(NULL, "codec");
1389 if (tas_node == NULL)
1390 return -ENODEV;
1391
1392 paddr = of_get_property(tas_node, "i2c-address", NULL);
1393 if (paddr == NULL)
1394 paddr = of_get_property(tas_node, "reg", NULL);
1395 if (paddr)
1396 mix->i2c.addr = (*paddr) >> 1;
1397 else
1398 mix->i2c.addr = TAS_I2C_ADDR;
1399 of_node_put(tas_node);
1400
1401 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1402
1403 if (chip->model == PMAC_TUMBLER) {
1404 mix->i2c.init_client = tumbler_init_client;
1405 mix->i2c.name = "TAS3001c";
1406 chipname = "Tumbler";
1407 } else {
1408 mix->i2c.init_client = snapper_init_client;
1409 mix->i2c.name = "TAS3004";
1410 chipname = "Snapper";
1411 }
1412
1413 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
1414 return err;
1415
1416 /*
1417 * build mixers
1418 */
1419 sprintf(chip->card->mixername, "PowerMac %s", chipname);
1420
1421 if (chip->model == PMAC_TUMBLER) {
1422 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1423 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
1424 return err;
1425 }
1426 } else {
1427 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1428 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
1429 return err;
1430 }
1431 }
1432 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1433 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
1434 return err;
1435 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1436 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
1437 return err;
1438 if (mix->line_mute.addr != 0) {
1439 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1440 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0)
1441 return err;
1442 }
1443 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1444 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
1445 return err;
1446
1447 /* set initial DRC range to 60% */
1448 if (chip->model == PMAC_TUMBLER)
1449 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1450 else
1451 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1452 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1453 if (chip->model == PMAC_TUMBLER)
1454 tumbler_set_drc(mix);
1455 else
1456 snapper_set_drc(mix);
1457
1458 #ifdef CONFIG_PM
1459 chip->suspend = tumbler_suspend;
1460 chip->resume = tumbler_resume;
1461 #endif
1462
1463 INIT_WORK(&device_change, device_change_handler);
1464 device_change_chip = chip;
1465
1466 #ifdef PMAC_SUPPORT_AUTOMUTE
1467 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0)
1468 && (err = snd_pmac_add_automute(chip)) < 0)
1469 return err;
1470 chip->detect_headphone = tumbler_detect_headphone;
1471 chip->update_automute = tumbler_update_automute;
1472 tumbler_update_automute(chip, 0); /* update the status only */
1473
1474 /* activate headphone status interrupts */
1475 if (mix->headphone_irq >= 0) {
1476 unsigned char val;
1477 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0,
1478 "Sound Headphone Detection", chip)) < 0)
1479 return 0;
1480 /* activate headphone status interrupts */
1481 val = do_gpio_read(&mix->hp_detect);
1482 do_gpio_write(&mix->hp_detect, val | 0x80);
1483 }
1484 if (mix->lineout_irq >= 0) {
1485 unsigned char val;
1486 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0,
1487 "Sound Lineout Detection", chip)) < 0)
1488 return 0;
1489 /* activate headphone status interrupts */
1490 val = do_gpio_read(&mix->line_detect);
1491 do_gpio_write(&mix->line_detect, val | 0x80);
1492 }
1493 #endif
1494
1495 return 0;
1496 }
Linux with added FPC-III support