1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * PMac Tumbler/Snapper lowlevel functions
4 *
5 * Copyright (c) by Takashi Iwai <tiwai@suse.de>
6 *
7 * Rene Rebe <rene.rebe@gmx.net>:
8 * * update from shadow registers on wakeup and headphone plug
9 * * automatically toggle DRC on headphone plug
10 */
11
12
13 #include <linux/init.h>
14 #include <linux/delay.h>
15 #include <linux/i2c.h>
16 #include <linux/kmod.h>
17 #include <linux/slab.h>
18 #include <linux/interrupt.h>
19 #include <linux/string.h>
20 #include <linux/of_irq.h>
21 #include <linux/io.h>
22 #include <sound/core.h>
23 #include <asm/irq.h>
24 #include <asm/machdep.h>
25 #include <asm/pmac_feature.h>
26 #include "pmac.h"
27 #include "tumbler_volume.h"
28
29 #undef DEBUG
30
31 #ifdef DEBUG
32 #define DBG(fmt...) printk(KERN_DEBUG fmt)
33 #else
34 #define DBG(fmt...)
35 #endif
36
37 #define IS_G4DA (of_machine_is_compatible("PowerMac3,4"))
38
39 /* i2c address for tumbler */
40 #define TAS_I2C_ADDR 0x34
41
42 /* registers */
43 #define TAS_REG_MCS 0x01 /* main control */
44 #define TAS_REG_DRC 0x02
45 #define TAS_REG_VOL 0x04
46 #define TAS_REG_TREBLE 0x05
47 #define TAS_REG_BASS 0x06
48 #define TAS_REG_INPUT1 0x07
49 #define TAS_REG_INPUT2 0x08
50
51 /* tas3001c */
52 #define TAS_REG_PCM TAS_REG_INPUT1
53
54 /* tas3004 */
55 #define TAS_REG_LMIX TAS_REG_INPUT1
56 #define TAS_REG_RMIX TAS_REG_INPUT2
57 #define TAS_REG_MCS2 0x43 /* main control 2 */
58 #define TAS_REG_ACS 0x40 /* analog control */
59
60 /* mono volumes for tas3001c/tas3004 */
61 enum {
62 VOL_IDX_PCM_MONO, /* tas3001c only */
63 VOL_IDX_BASS, VOL_IDX_TREBLE,
64 VOL_IDX_LAST_MONO
65 };
66
67 /* stereo volumes for tas3004 */
68 enum {
69 VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC,
70 VOL_IDX_LAST_MIX
71 };
72
73 struct pmac_gpio {
74 unsigned int addr;
75 u8 active_val;
76 u8 inactive_val;
77 u8 active_state;
78 };
79
80 struct pmac_tumbler {
81 struct pmac_keywest i2c;
82 struct pmac_gpio audio_reset;
83 struct pmac_gpio amp_mute;
84 struct pmac_gpio line_mute;
85 struct pmac_gpio line_detect;
86 struct pmac_gpio hp_mute;
87 struct pmac_gpio hp_detect;
88 int headphone_irq;
89 int lineout_irq;
90 unsigned int save_master_vol[2];
91 unsigned int master_vol[2];
92 unsigned int save_master_switch[2];
93 unsigned int master_switch[2];
94 unsigned int mono_vol[VOL_IDX_LAST_MONO];
95 unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */
96 int drc_range;
97 int drc_enable;
98 int capture_source;
99 int anded_reset;
100 int auto_mute_notify;
101 int reset_on_sleep;
102 u8 acs;
103 };
104
105
106 /*
107 */
108
109 static int send_init_client(struct pmac_keywest *i2c, const unsigned int *regs)
110 {
111 while (*regs > 0) {
112 int err, count = 10;
113 do {
114 err = i2c_smbus_write_byte_data(i2c->client,
115 regs[0], regs[1]);
116 if (err >= 0)
117 break;
118 DBG("(W) i2c error %d\n", err);
119 mdelay(10);
120 } while (count--);
121 if (err < 0)
122 return -ENXIO;
123 regs += 2;
124 }
125 return 0;
126 }
127
128
129 static int tumbler_init_client(struct pmac_keywest *i2c)
130 {
131 static const unsigned int regs[] = {
132 /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */
133 TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0,
134 0, /* terminator */
135 };
136 DBG("(I) tumbler init client\n");
137 return send_init_client(i2c, regs);
138 }
139
140 static int snapper_init_client(struct pmac_keywest *i2c)
141 {
142 static const unsigned int regs[] = {
143 /* normal operation, SCLK=64fps, i2s output, 16bit width */
144 TAS_REG_MCS, (1<<6)|(2<<4)|0,
145 /* normal operation, all-pass mode */
146 TAS_REG_MCS2, (1<<1),
147 /* normal output, no deemphasis, A input, power-up, line-in */
148 TAS_REG_ACS, 0,
149 0, /* terminator */
150 };
151 DBG("(I) snapper init client\n");
152 return send_init_client(i2c, regs);
153 }
154
155 /*
156 * gpio access
157 */
158 #define do_gpio_write(gp, val) \
159 pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val)
160 #define do_gpio_read(gp) \
161 pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0)
162 #define tumbler_gpio_free(gp) /* NOP */
163
164 static void write_audio_gpio(struct pmac_gpio *gp, int active)
165 {
166 if (! gp->addr)
167 return;
168 active = active ? gp->active_val : gp->inactive_val;
169 do_gpio_write(gp, active);
170 DBG("(I) gpio %x write %d\n", gp->addr, active);
171 }
172
173 static int check_audio_gpio(struct pmac_gpio *gp)
174 {
175 int ret;
176
177 if (! gp->addr)
178 return 0;
179
180 ret = do_gpio_read(gp);
181
182 return (ret & 0x1) == (gp->active_val & 0x1);
183 }
184
185 static int read_audio_gpio(struct pmac_gpio *gp)
186 {
187 int ret;
188 if (! gp->addr)
189 return 0;
190 ret = do_gpio_read(gp);
191 ret = (ret & 0x02) !=0;
192 return ret == gp->active_state;
193 }
194
195 /*
196 * update master volume
197 */
198 static int tumbler_set_master_volume(struct pmac_tumbler *mix)
199 {
200 unsigned char block[6];
201 unsigned int left_vol, right_vol;
202
203 if (! mix->i2c.client)
204 return -ENODEV;
205
206 if (! mix->master_switch[0])
207 left_vol = 0;
208 else {
209 left_vol = mix->master_vol[0];
210 if (left_vol >= ARRAY_SIZE(master_volume_table))
211 left_vol = ARRAY_SIZE(master_volume_table) - 1;
212 left_vol = master_volume_table[left_vol];
213 }
214 if (! mix->master_switch[1])
215 right_vol = 0;
216 else {
217 right_vol = mix->master_vol[1];
218 if (right_vol >= ARRAY_SIZE(master_volume_table))
219 right_vol = ARRAY_SIZE(master_volume_table) - 1;
220 right_vol = master_volume_table[right_vol];
221 }
222
223 block[0] = (left_vol >> 16) & 0xff;
224 block[1] = (left_vol >> 8) & 0xff;
225 block[2] = (left_vol >> 0) & 0xff;
226
227 block[3] = (right_vol >> 16) & 0xff;
228 block[4] = (right_vol >> 8) & 0xff;
229 block[5] = (right_vol >> 0) & 0xff;
230
231 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6,
232 block) < 0) {
233 snd_printk(KERN_ERR "failed to set volume \n");
234 return -EINVAL;
235 }
236 DBG("(I) succeeded to set volume (%u, %u)\n", left_vol, right_vol);
237 return 0;
238 }
239
240
241 /* output volume */
242 static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol,
243 struct snd_ctl_elem_info *uinfo)
244 {
245 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
246 uinfo->count = 2;
247 uinfo->value.integer.min = 0;
248 uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1;
249 return 0;
250 }
251
252 static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol,
253 struct snd_ctl_elem_value *ucontrol)
254 {
255 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
256 struct pmac_tumbler *mix = chip->mixer_data;
257
258 ucontrol->value.integer.value[0] = mix->master_vol[0];
259 ucontrol->value.integer.value[1] = mix->master_vol[1];
260 return 0;
261 }
262
263 static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol,
264 struct snd_ctl_elem_value *ucontrol)
265 {
266 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
267 struct pmac_tumbler *mix = chip->mixer_data;
268 unsigned int vol[2];
269 int change;
270
271 vol[0] = ucontrol->value.integer.value[0];
272 vol[1] = ucontrol->value.integer.value[1];
273 if (vol[0] >= ARRAY_SIZE(master_volume_table) ||
274 vol[1] >= ARRAY_SIZE(master_volume_table))
275 return -EINVAL;
276 change = mix->master_vol[0] != vol[0] ||
277 mix->master_vol[1] != vol[1];
278 if (change) {
279 mix->master_vol[0] = vol[0];
280 mix->master_vol[1] = vol[1];
281 tumbler_set_master_volume(mix);
282 }
283 return change;
284 }
285
286 /* output switch */
287 static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol,
288 struct snd_ctl_elem_value *ucontrol)
289 {
290 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
291 struct pmac_tumbler *mix = chip->mixer_data;
292
293 ucontrol->value.integer.value[0] = mix->master_switch[0];
294 ucontrol->value.integer.value[1] = mix->master_switch[1];
295 return 0;
296 }
297
298 static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol,
299 struct snd_ctl_elem_value *ucontrol)
300 {
301 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
302 struct pmac_tumbler *mix = chip->mixer_data;
303 int change;
304
305 change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
306 mix->master_switch[1] != ucontrol->value.integer.value[1];
307 if (change) {
308 mix->master_switch[0] = !!ucontrol->value.integer.value[0];
309 mix->master_switch[1] = !!ucontrol->value.integer.value[1];
310 tumbler_set_master_volume(mix);
311 }
312 return change;
313 }
314
315
316 /*
317 * TAS3001c dynamic range compression
318 */
319
320 #define TAS3001_DRC_MAX 0x5f
321
322 static int tumbler_set_drc(struct pmac_tumbler *mix)
323 {
324 unsigned char val[2];
325
326 if (! mix->i2c.client)
327 return -ENODEV;
328
329 if (mix->drc_enable) {
330 val[0] = 0xc1; /* enable, 3:1 compression */
331 if (mix->drc_range > TAS3001_DRC_MAX)
332 val[1] = 0xf0;
333 else if (mix->drc_range < 0)
334 val[1] = 0x91;
335 else
336 val[1] = mix->drc_range + 0x91;
337 } else {
338 val[0] = 0;
339 val[1] = 0;
340 }
341
342 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
343 2, val) < 0) {
344 snd_printk(KERN_ERR "failed to set DRC\n");
345 return -EINVAL;
346 }
347 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
348 return 0;
349 }
350
351 /*
352 * TAS3004
353 */
354
355 #define TAS3004_DRC_MAX 0xef
356
357 static int snapper_set_drc(struct pmac_tumbler *mix)
358 {
359 unsigned char val[6];
360
361 if (! mix->i2c.client)
362 return -ENODEV;
363
364 if (mix->drc_enable)
365 val[0] = 0x50; /* 3:1 above threshold */
366 else
367 val[0] = 0x51; /* disabled */
368 val[1] = 0x02; /* 1:1 below threshold */
369 if (mix->drc_range > 0xef)
370 val[2] = 0xef;
371 else if (mix->drc_range < 0)
372 val[2] = 0x00;
373 else
374 val[2] = mix->drc_range;
375 val[3] = 0xb0;
376 val[4] = 0x60;
377 val[5] = 0xa0;
378
379 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
380 6, val) < 0) {
381 snd_printk(KERN_ERR "failed to set DRC\n");
382 return -EINVAL;
383 }
384 DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
385 return 0;
386 }
387
388 static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol,
389 struct snd_ctl_elem_info *uinfo)
390 {
391 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
392 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
393 uinfo->count = 1;
394 uinfo->value.integer.min = 0;
395 uinfo->value.integer.max =
396 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
397 return 0;
398 }
399
400 static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol,
401 struct snd_ctl_elem_value *ucontrol)
402 {
403 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
404 struct pmac_tumbler *mix;
405 mix = chip->mixer_data;
406 if (!mix)
407 return -ENODEV;
408 ucontrol->value.integer.value[0] = mix->drc_range;
409 return 0;
410 }
411
412 static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol,
413 struct snd_ctl_elem_value *ucontrol)
414 {
415 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
416 struct pmac_tumbler *mix;
417 unsigned int val;
418 int change;
419
420 mix = chip->mixer_data;
421 if (!mix)
422 return -ENODEV;
423 val = ucontrol->value.integer.value[0];
424 if (chip->model == PMAC_TUMBLER) {
425 if (val > TAS3001_DRC_MAX)
426 return -EINVAL;
427 } else {
428 if (val > TAS3004_DRC_MAX)
429 return -EINVAL;
430 }
431 change = mix->drc_range != val;
432 if (change) {
433 mix->drc_range = val;
434 if (chip->model == PMAC_TUMBLER)
435 tumbler_set_drc(mix);
436 else
437 snapper_set_drc(mix);
438 }
439 return change;
440 }
441
442 static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol,
443 struct snd_ctl_elem_value *ucontrol)
444 {
445 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
446 struct pmac_tumbler *mix;
447 mix = chip->mixer_data;
448 if (!mix)
449 return -ENODEV;
450 ucontrol->value.integer.value[0] = mix->drc_enable;
451 return 0;
452 }
453
454 static int tumbler_put_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 int change;
460
461 mix = chip->mixer_data;
462 if (!mix)
463 return -ENODEV;
464 change = mix->drc_enable != ucontrol->value.integer.value[0];
465 if (change) {
466 mix->drc_enable = !!ucontrol->value.integer.value[0];
467 if (chip->model == PMAC_TUMBLER)
468 tumbler_set_drc(mix);
469 else
470 snapper_set_drc(mix);
471 }
472 return change;
473 }
474
475
476 /*
477 * mono volumes
478 */
479
480 struct tumbler_mono_vol {
481 int index;
482 int reg;
483 int bytes;
484 unsigned int max;
485 const unsigned int *table;
486 };
487
488 static int tumbler_set_mono_volume(struct pmac_tumbler *mix,
489 const struct tumbler_mono_vol *info)
490 {
491 unsigned char block[4];
492 unsigned int vol;
493 int i;
494
495 if (! mix->i2c.client)
496 return -ENODEV;
497
498 vol = mix->mono_vol[info->index];
499 if (vol >= info->max)
500 vol = info->max - 1;
501 vol = info->table[vol];
502 for (i = 0; i < info->bytes; i++)
503 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
504 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg,
505 info->bytes, block) < 0) {
506 snd_printk(KERN_ERR "failed to set mono volume %d\n",
507 info->index);
508 return -EINVAL;
509 }
510 return 0;
511 }
512
513 static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
514 struct snd_ctl_elem_info *uinfo)
515 {
516 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
517
518 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
519 uinfo->count = 1;
520 uinfo->value.integer.min = 0;
521 uinfo->value.integer.max = info->max - 1;
522 return 0;
523 }
524
525 static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
526 struct snd_ctl_elem_value *ucontrol)
527 {
528 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
529 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
530 struct pmac_tumbler *mix;
531 mix = chip->mixer_data;
532 if (!mix)
533 return -ENODEV;
534 ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
535 return 0;
536 }
537
538 static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
539 struct snd_ctl_elem_value *ucontrol)
540 {
541 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
542 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
543 struct pmac_tumbler *mix;
544 unsigned int vol;
545 int change;
546
547 mix = chip->mixer_data;
548 if (!mix)
549 return -ENODEV;
550 vol = ucontrol->value.integer.value[0];
551 if (vol >= info->max)
552 return -EINVAL;
553 change = mix->mono_vol[info->index] != vol;
554 if (change) {
555 mix->mono_vol[info->index] = vol;
556 tumbler_set_mono_volume(mix, info);
557 }
558 return change;
559 }
560
561 /* TAS3001c mono volumes */
562 static const struct tumbler_mono_vol tumbler_pcm_vol_info = {
563 .index = VOL_IDX_PCM_MONO,
564 .reg = TAS_REG_PCM,
565 .bytes = 3,
566 .max = ARRAY_SIZE(mixer_volume_table),
567 .table = mixer_volume_table,
568 };
569
570 static const struct tumbler_mono_vol tumbler_bass_vol_info = {
571 .index = VOL_IDX_BASS,
572 .reg = TAS_REG_BASS,
573 .bytes = 1,
574 .max = ARRAY_SIZE(bass_volume_table),
575 .table = bass_volume_table,
576 };
577
578 static const struct tumbler_mono_vol tumbler_treble_vol_info = {
579 .index = VOL_IDX_TREBLE,
580 .reg = TAS_REG_TREBLE,
581 .bytes = 1,
582 .max = ARRAY_SIZE(treble_volume_table),
583 .table = treble_volume_table,
584 };
585
586 /* TAS3004 mono volumes */
587 static const struct tumbler_mono_vol snapper_bass_vol_info = {
588 .index = VOL_IDX_BASS,
589 .reg = TAS_REG_BASS,
590 .bytes = 1,
591 .max = ARRAY_SIZE(snapper_bass_volume_table),
592 .table = snapper_bass_volume_table,
593 };
594
595 static const struct tumbler_mono_vol snapper_treble_vol_info = {
596 .index = VOL_IDX_TREBLE,
597 .reg = TAS_REG_TREBLE,
598 .bytes = 1,
599 .max = ARRAY_SIZE(snapper_treble_volume_table),
600 .table = snapper_treble_volume_table,
601 };
602
603
604 #define DEFINE_MONO(xname,type) { \
605 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
606 .name = xname, \
607 .info = tumbler_info_mono, \
608 .get = tumbler_get_mono, \
609 .put = tumbler_put_mono, \
610 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
611 }
612
613 #define DEFINE_SNAPPER_MONO(xname,type) { \
614 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
615 .name = xname, \
616 .info = tumbler_info_mono, \
617 .get = tumbler_get_mono, \
618 .put = tumbler_put_mono, \
619 .private_value = (unsigned long)(&snapper_##type##_vol_info), \
620 }
621
622
623 /*
624 * snapper mixer volumes
625 */
626
627 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
628 {
629 int i, j, vol;
630 unsigned char block[9];
631
632 vol = mix->mix_vol[idx][ch];
633 if (vol >= ARRAY_SIZE(mixer_volume_table)) {
634 vol = ARRAY_SIZE(mixer_volume_table) - 1;
635 mix->mix_vol[idx][ch] = vol;
636 }
637
638 for (i = 0; i < 3; i++) {
639 vol = mix->mix_vol[i][ch];
640 vol = mixer_volume_table[vol];
641 for (j = 0; j < 3; j++)
642 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
643 }
644 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
645 9, block) < 0) {
646 snd_printk(KERN_ERR "failed to set mono volume %d\n", reg);
647 return -EINVAL;
648 }
649 return 0;
650 }
651
652 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
653 {
654 if (! mix->i2c.client)
655 return -ENODEV;
656 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
657 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
658 return -EINVAL;
659 return 0;
660 }
661
662 static int snapper_info_mix(struct snd_kcontrol *kcontrol,
663 struct snd_ctl_elem_info *uinfo)
664 {
665 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
666 uinfo->count = 2;
667 uinfo->value.integer.min = 0;
668 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
669 return 0;
670 }
671
672 static int snapper_get_mix(struct snd_kcontrol *kcontrol,
673 struct snd_ctl_elem_value *ucontrol)
674 {
675 int idx = (int)kcontrol->private_value;
676 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
677 struct pmac_tumbler *mix;
678 mix = chip->mixer_data;
679 if (!mix)
680 return -ENODEV;
681 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
682 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
683 return 0;
684 }
685
686 static int snapper_put_mix(struct snd_kcontrol *kcontrol,
687 struct snd_ctl_elem_value *ucontrol)
688 {
689 int idx = (int)kcontrol->private_value;
690 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
691 struct pmac_tumbler *mix;
692 unsigned int vol[2];
693 int change;
694
695 mix = chip->mixer_data;
696 if (!mix)
697 return -ENODEV;
698 vol[0] = ucontrol->value.integer.value[0];
699 vol[1] = ucontrol->value.integer.value[1];
700 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
701 vol[1] >= ARRAY_SIZE(mixer_volume_table))
702 return -EINVAL;
703 change = mix->mix_vol[idx][0] != vol[0] ||
704 mix->mix_vol[idx][1] != vol[1];
705 if (change) {
706 mix->mix_vol[idx][0] = vol[0];
707 mix->mix_vol[idx][1] = vol[1];
708 snapper_set_mix_vol(mix, idx);
709 }
710 return change;
711 }
712
713
714 /*
715 * mute switches. FIXME: Turn that into software mute when both outputs are muted
716 * to avoid codec reset on ibook M7
717 */
718
719 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
720
721 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
722 struct snd_ctl_elem_value *ucontrol)
723 {
724 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
725 struct pmac_tumbler *mix;
726 struct pmac_gpio *gp;
727 mix = chip->mixer_data;
728 if (!mix)
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 mix = chip->mixer_data;
758 if (!mix)
759 return -ENODEV;
760 switch(kcontrol->private_value) {
761 case TUMBLER_MUTE_HP:
762 gp = &mix->hp_mute; break;
763 case TUMBLER_MUTE_AMP:
764 gp = &mix->amp_mute; break;
765 case TUMBLER_MUTE_LINE:
766 gp = &mix->line_mute; break;
767 default:
768 gp = NULL;
769 }
770 if (gp == NULL)
771 return -EINVAL;
772 val = ! check_audio_gpio(gp);
773 if (val != ucontrol->value.integer.value[0]) {
774 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
775 return 1;
776 }
777 return 0;
778 }
779
780 static int snapper_set_capture_source(struct pmac_tumbler *mix)
781 {
782 if (! mix->i2c.client)
783 return -ENODEV;
784 if (mix->capture_source)
785 mix->acs |= 2;
786 else
787 mix->acs &= ~2;
788 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
789 }
790
791 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
792 struct snd_ctl_elem_info *uinfo)
793 {
794 static const char * const texts[2] = {
795 "Line", "Mic"
796 };
797
798 return snd_ctl_enum_info(uinfo, 1, 2, texts);
799 }
800
801 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
802 struct snd_ctl_elem_value *ucontrol)
803 {
804 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
805 struct pmac_tumbler *mix = chip->mixer_data;
806
807 ucontrol->value.enumerated.item[0] = mix->capture_source;
808 return 0;
809 }
810
811 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
812 struct snd_ctl_elem_value *ucontrol)
813 {
814 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
815 struct pmac_tumbler *mix = chip->mixer_data;
816 int change;
817
818 change = ucontrol->value.enumerated.item[0] != mix->capture_source;
819 if (change) {
820 mix->capture_source = !!ucontrol->value.enumerated.item[0];
821 snapper_set_capture_source(mix);
822 }
823 return change;
824 }
825
826 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
827 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
828 .name = xname, \
829 .info = snapper_info_mix, \
830 .get = snapper_get_mix, \
831 .put = snapper_put_mix, \
832 .index = idx,\
833 .private_value = ofs, \
834 }
835
836
837 /*
838 */
839 static const struct snd_kcontrol_new tumbler_mixers[] = {
840 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
841 .name = "Master Playback Volume",
842 .info = tumbler_info_master_volume,
843 .get = tumbler_get_master_volume,
844 .put = tumbler_put_master_volume
845 },
846 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
847 .name = "Master Playback Switch",
848 .info = snd_pmac_boolean_stereo_info,
849 .get = tumbler_get_master_switch,
850 .put = tumbler_put_master_switch
851 },
852 DEFINE_MONO("Tone Control - Bass", bass),
853 DEFINE_MONO("Tone Control - Treble", treble),
854 DEFINE_MONO("PCM Playback Volume", pcm),
855 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
856 .name = "DRC Range",
857 .info = tumbler_info_drc_value,
858 .get = tumbler_get_drc_value,
859 .put = tumbler_put_drc_value
860 },
861 };
862
863 static const struct snd_kcontrol_new snapper_mixers[] = {
864 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
865 .name = "Master Playback Volume",
866 .info = tumbler_info_master_volume,
867 .get = tumbler_get_master_volume,
868 .put = tumbler_put_master_volume
869 },
870 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
871 .name = "Master Playback Switch",
872 .info = snd_pmac_boolean_stereo_info,
873 .get = tumbler_get_master_switch,
874 .put = tumbler_put_master_switch
875 },
876 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
877 /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
878 DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2),
879 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
880 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
881 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
882 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
883 .name = "DRC Range",
884 .info = tumbler_info_drc_value,
885 .get = tumbler_get_drc_value,
886 .put = tumbler_put_drc_value
887 },
888 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
889 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
890 .info = snapper_info_capture_source,
891 .get = snapper_get_capture_source,
892 .put = snapper_put_capture_source
893 },
894 };
895
896 static const struct snd_kcontrol_new tumbler_hp_sw = {
897 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
898 .name = "Headphone Playback Switch",
899 .info = snd_pmac_boolean_mono_info,
900 .get = tumbler_get_mute_switch,
901 .put = tumbler_put_mute_switch,
902 .private_value = TUMBLER_MUTE_HP,
903 };
904 static const struct snd_kcontrol_new tumbler_speaker_sw = {
905 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
906 .name = "Speaker 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_AMP,
911 };
912 static const struct snd_kcontrol_new tumbler_lineout_sw = {
913 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
914 .name = "Line Out 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_LINE,
919 };
920 static const struct snd_kcontrol_new tumbler_drc_sw = {
921 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
922 .name = "DRC Switch",
923 .info = snd_pmac_boolean_mono_info,
924 .get = tumbler_get_drc_switch,
925 .put = tumbler_put_drc_switch
926 };
927
928
929 #ifdef PMAC_SUPPORT_AUTOMUTE
930 /*
931 * auto-mute stuffs
932 */
933 static int tumbler_detect_headphone(struct snd_pmac *chip)
934 {
935 struct pmac_tumbler *mix = chip->mixer_data;
936 int detect = 0;
937
938 if (mix->hp_detect.addr)
939 detect |= read_audio_gpio(&mix->hp_detect);
940 return detect;
941 }
942
943 static int tumbler_detect_lineout(struct snd_pmac *chip)
944 {
945 struct pmac_tumbler *mix = chip->mixer_data;
946 int detect = 0;
947
948 if (mix->line_detect.addr)
949 detect |= read_audio_gpio(&mix->line_detect);
950 return detect;
951 }
952
953 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
954 struct snd_kcontrol *sw)
955 {
956 if (check_audio_gpio(gp) != val) {
957 write_audio_gpio(gp, val);
958 if (do_notify)
959 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
960 &sw->id);
961 }
962 }
963
964 static struct work_struct device_change;
965 static struct snd_pmac *device_change_chip;
966
967 static void device_change_handler(struct work_struct *work)
968 {
969 struct snd_pmac *chip = device_change_chip;
970 struct pmac_tumbler *mix;
971 int headphone, lineout;
972
973 if (!chip)
974 return;
975
976 mix = chip->mixer_data;
977 if (snd_BUG_ON(!mix))
978 return;
979
980 headphone = tumbler_detect_headphone(chip);
981 lineout = tumbler_detect_lineout(chip);
982
983 DBG("headphone: %d, lineout: %d\n", headphone, lineout);
984
985 if (headphone || lineout) {
986 /* unmute headphone/lineout & mute speaker */
987 if (headphone)
988 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
989 chip->master_sw_ctl);
990 if (lineout && mix->line_mute.addr != 0)
991 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
992 chip->lineout_sw_ctl);
993 if (mix->anded_reset)
994 msleep(10);
995 check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify,
996 chip->speaker_sw_ctl);
997 } else {
998 /* unmute speaker, mute others */
999 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
1000 chip->speaker_sw_ctl);
1001 if (mix->anded_reset)
1002 msleep(10);
1003 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
1004 chip->master_sw_ctl);
1005 if (mix->line_mute.addr != 0)
1006 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
1007 chip->lineout_sw_ctl);
1008 }
1009 if (mix->auto_mute_notify)
1010 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1011 &chip->hp_detect_ctl->id);
1012
1013 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1014 mix->drc_enable = ! (headphone || lineout);
1015 if (mix->auto_mute_notify)
1016 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1017 &chip->drc_sw_ctl->id);
1018 if (chip->model == PMAC_TUMBLER)
1019 tumbler_set_drc(mix);
1020 else
1021 snapper_set_drc(mix);
1022 #endif
1023
1024 /* reset the master volume so the correct amplification is applied */
1025 tumbler_set_master_volume(mix);
1026 }
1027
1028 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1029 {
1030 if (chip->auto_mute) {
1031 struct pmac_tumbler *mix;
1032 mix = chip->mixer_data;
1033 if (snd_BUG_ON(!mix))
1034 return;
1035 mix->auto_mute_notify = do_notify;
1036 schedule_work(&device_change);
1037 }
1038 }
1039 #endif /* PMAC_SUPPORT_AUTOMUTE */
1040
1041
1042 /* interrupt - headphone plug changed */
1043 static irqreturn_t headphone_intr(int irq, void *devid)
1044 {
1045 struct snd_pmac *chip = devid;
1046 if (chip->update_automute && chip->initialized) {
1047 chip->update_automute(chip, 1);
1048 return IRQ_HANDLED;
1049 }
1050 return IRQ_NONE;
1051 }
1052
1053 /* look for audio-gpio device */
1054 static struct device_node *find_audio_device(const char *name)
1055 {
1056 struct device_node *gpiop;
1057 struct device_node *np;
1058
1059 gpiop = of_find_node_by_name(NULL, "gpio");
1060 if (! gpiop)
1061 return NULL;
1062
1063 for_each_child_of_node(gpiop, np) {
1064 const char *property = of_get_property(np, "audio-gpio", NULL);
1065 if (property && strcmp(property, name) == 0)
1066 break;
1067 }
1068 of_node_put(gpiop);
1069 return np;
1070 }
1071
1072 /* look for audio-gpio device */
1073 static struct device_node *find_compatible_audio_device(const char *name)
1074 {
1075 struct device_node *gpiop;
1076 struct device_node *np;
1077
1078 gpiop = of_find_node_by_name(NULL, "gpio");
1079 if (!gpiop)
1080 return NULL;
1081
1082 for_each_child_of_node(gpiop, np) {
1083 if (of_device_is_compatible(np, name))
1084 break;
1085 }
1086 of_node_put(gpiop);
1087 return np;
1088 }
1089
1090 /* find an audio device and get its address */
1091 static long tumbler_find_device(const char *device, const char *platform,
1092 struct pmac_gpio *gp, int is_compatible)
1093 {
1094 struct device_node *node;
1095 const u32 *base;
1096 u32 addr;
1097 long ret;
1098
1099 if (is_compatible)
1100 node = find_compatible_audio_device(device);
1101 else
1102 node = find_audio_device(device);
1103 if (! node) {
1104 DBG("(W) cannot find audio device %s !\n", device);
1105 snd_printdd("cannot find device %s\n", device);
1106 return -ENODEV;
1107 }
1108
1109 base = of_get_property(node, "AAPL,address", NULL);
1110 if (! base) {
1111 base = of_get_property(node, "reg", NULL);
1112 if (!base) {
1113 DBG("(E) cannot find address for device %s !\n", device);
1114 snd_printd("cannot find address for device %s\n", device);
1115 of_node_put(node);
1116 return -ENODEV;
1117 }
1118 addr = *base;
1119 if (addr < 0x50)
1120 addr += 0x50;
1121 } else
1122 addr = *base;
1123
1124 gp->addr = addr & 0x0000ffff;
1125 /* Try to find the active state, default to 0 ! */
1126 base = of_get_property(node, "audio-gpio-active-state", NULL);
1127 if (base) {
1128 gp->active_state = *base;
1129 gp->active_val = (*base) ? 0x5 : 0x4;
1130 gp->inactive_val = (*base) ? 0x4 : 0x5;
1131 } else {
1132 const u32 *prop = NULL;
1133 gp->active_state = IS_G4DA
1134 && !strncmp(device, "keywest-gpio1", 13);
1135 gp->active_val = 0x4;
1136 gp->inactive_val = 0x5;
1137 /* Here are some crude hacks to extract the GPIO polarity and
1138 * open collector informations out of the do-platform script
1139 * as we don't yet have an interpreter for these things
1140 */
1141 if (platform)
1142 prop = of_get_property(node, platform, NULL);
1143 if (prop) {
1144 if (prop[3] == 0x9 && prop[4] == 0x9) {
1145 gp->active_val = 0xd;
1146 gp->inactive_val = 0xc;
1147 }
1148 if (prop[3] == 0x1 && prop[4] == 0x1) {
1149 gp->active_val = 0x5;
1150 gp->inactive_val = 0x4;
1151 }
1152 }
1153 }
1154
1155 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
1156 device, gp->addr, gp->active_state);
1157
1158 ret = irq_of_parse_and_map(node, 0);
1159 of_node_put(node);
1160 return ret;
1161 }
1162
1163 /* reset audio */
1164 static void tumbler_reset_audio(struct snd_pmac *chip)
1165 {
1166 struct pmac_tumbler *mix = chip->mixer_data;
1167
1168 if (mix->anded_reset) {
1169 DBG("(I) codec anded reset !\n");
1170 write_audio_gpio(&mix->hp_mute, 0);
1171 write_audio_gpio(&mix->amp_mute, 0);
1172 msleep(200);
1173 write_audio_gpio(&mix->hp_mute, 1);
1174 write_audio_gpio(&mix->amp_mute, 1);
1175 msleep(100);
1176 write_audio_gpio(&mix->hp_mute, 0);
1177 write_audio_gpio(&mix->amp_mute, 0);
1178 msleep(100);
1179 } else {
1180 DBG("(I) codec normal reset !\n");
1181
1182 write_audio_gpio(&mix->audio_reset, 0);
1183 msleep(200);
1184 write_audio_gpio(&mix->audio_reset, 1);
1185 msleep(100);
1186 write_audio_gpio(&mix->audio_reset, 0);
1187 msleep(100);
1188 }
1189 }
1190
1191 #ifdef CONFIG_PM
1192 /* suspend mixer */
1193 static void tumbler_suspend(struct snd_pmac *chip)
1194 {
1195 struct pmac_tumbler *mix = chip->mixer_data;
1196
1197 if (mix->headphone_irq >= 0)
1198 disable_irq(mix->headphone_irq);
1199 if (mix->lineout_irq >= 0)
1200 disable_irq(mix->lineout_irq);
1201 mix->save_master_switch[0] = mix->master_switch[0];
1202 mix->save_master_switch[1] = mix->master_switch[1];
1203 mix->save_master_vol[0] = mix->master_vol[0];
1204 mix->save_master_vol[1] = mix->master_vol[1];
1205 mix->master_switch[0] = mix->master_switch[1] = 0;
1206 tumbler_set_master_volume(mix);
1207 if (!mix->anded_reset) {
1208 write_audio_gpio(&mix->amp_mute, 1);
1209 write_audio_gpio(&mix->hp_mute, 1);
1210 }
1211 if (chip->model == PMAC_SNAPPER) {
1212 mix->acs |= 1;
1213 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1214 }
1215 if (mix->anded_reset) {
1216 write_audio_gpio(&mix->amp_mute, 1);
1217 write_audio_gpio(&mix->hp_mute, 1);
1218 } else
1219 write_audio_gpio(&mix->audio_reset, 1);
1220 }
1221
1222 /* resume mixer */
1223 static void tumbler_resume(struct snd_pmac *chip)
1224 {
1225 struct pmac_tumbler *mix = chip->mixer_data;
1226
1227 mix->acs &= ~1;
1228 mix->master_switch[0] = mix->save_master_switch[0];
1229 mix->master_switch[1] = mix->save_master_switch[1];
1230 mix->master_vol[0] = mix->save_master_vol[0];
1231 mix->master_vol[1] = mix->save_master_vol[1];
1232 tumbler_reset_audio(chip);
1233 if (mix->i2c.client && mix->i2c.init_client) {
1234 if (mix->i2c.init_client(&mix->i2c) < 0)
1235 printk(KERN_ERR "tumbler_init_client error\n");
1236 } else
1237 printk(KERN_ERR "tumbler: i2c is not initialized\n");
1238 if (chip->model == PMAC_TUMBLER) {
1239 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1240 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1241 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1242 tumbler_set_drc(mix);
1243 } else {
1244 snapper_set_mix_vol(mix, VOL_IDX_PCM);
1245 snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1246 snapper_set_mix_vol(mix, VOL_IDX_ADC);
1247 tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1248 tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1249 snapper_set_drc(mix);
1250 snapper_set_capture_source(mix);
1251 }
1252 tumbler_set_master_volume(mix);
1253 if (chip->update_automute)
1254 chip->update_automute(chip, 0);
1255 if (mix->headphone_irq >= 0) {
1256 unsigned char val;
1257
1258 enable_irq(mix->headphone_irq);
1259 /* activate headphone status interrupts */
1260 val = do_gpio_read(&mix->hp_detect);
1261 do_gpio_write(&mix->hp_detect, val | 0x80);
1262 }
1263 if (mix->lineout_irq >= 0)
1264 enable_irq(mix->lineout_irq);
1265 }
1266 #endif
1267
1268 /* initialize tumbler */
1269 static int tumbler_init(struct snd_pmac *chip)
1270 {
1271 int irq;
1272 struct pmac_tumbler *mix = chip->mixer_data;
1273
1274 if (tumbler_find_device("audio-hw-reset",
1275 "platform-do-hw-reset",
1276 &mix->audio_reset, 0) < 0)
1277 tumbler_find_device("hw-reset",
1278 "platform-do-hw-reset",
1279 &mix->audio_reset, 1);
1280 if (tumbler_find_device("amp-mute",
1281 "platform-do-amp-mute",
1282 &mix->amp_mute, 0) < 0)
1283 tumbler_find_device("amp-mute",
1284 "platform-do-amp-mute",
1285 &mix->amp_mute, 1);
1286 if (tumbler_find_device("headphone-mute",
1287 "platform-do-headphone-mute",
1288 &mix->hp_mute, 0) < 0)
1289 tumbler_find_device("headphone-mute",
1290 "platform-do-headphone-mute",
1291 &mix->hp_mute, 1);
1292 if (tumbler_find_device("line-output-mute",
1293 "platform-do-lineout-mute",
1294 &mix->line_mute, 0) < 0)
1295 tumbler_find_device("line-output-mute",
1296 "platform-do-lineout-mute",
1297 &mix->line_mute, 1);
1298 irq = tumbler_find_device("headphone-detect",
1299 NULL, &mix->hp_detect, 0);
1300 if (irq <= 0)
1301 irq = tumbler_find_device("headphone-detect",
1302 NULL, &mix->hp_detect, 1);
1303 if (irq <= 0)
1304 irq = tumbler_find_device("keywest-gpio15",
1305 NULL, &mix->hp_detect, 1);
1306 mix->headphone_irq = irq;
1307 irq = tumbler_find_device("line-output-detect",
1308 NULL, &mix->line_detect, 0);
1309 if (irq <= 0)
1310 irq = tumbler_find_device("line-output-detect",
1311 NULL, &mix->line_detect, 1);
1312 if (IS_G4DA && irq <= 0)
1313 irq = tumbler_find_device("keywest-gpio16",
1314 NULL, &mix->line_detect, 1);
1315 mix->lineout_irq = irq;
1316
1317 tumbler_reset_audio(chip);
1318
1319 return 0;
1320 }
1321
1322 static void tumbler_cleanup(struct snd_pmac *chip)
1323 {
1324 struct pmac_tumbler *mix = chip->mixer_data;
1325 if (! mix)
1326 return;
1327
1328 if (mix->headphone_irq >= 0)
1329 free_irq(mix->headphone_irq, chip);
1330 if (mix->lineout_irq >= 0)
1331 free_irq(mix->lineout_irq, chip);
1332 tumbler_gpio_free(&mix->audio_reset);
1333 tumbler_gpio_free(&mix->amp_mute);
1334 tumbler_gpio_free(&mix->hp_mute);
1335 tumbler_gpio_free(&mix->hp_detect);
1336 snd_pmac_keywest_cleanup(&mix->i2c);
1337 kfree(mix);
1338 chip->mixer_data = NULL;
1339 }
1340
1341 /* exported */
1342 int snd_pmac_tumbler_init(struct snd_pmac *chip)
1343 {
1344 int i, err;
1345 struct pmac_tumbler *mix;
1346 const u32 *paddr;
1347 struct device_node *tas_node, *np;
1348 char *chipname;
1349
1350 request_module("i2c-powermac");
1351
1352 mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1353 if (! mix)
1354 return -ENOMEM;
1355 mix->headphone_irq = -1;
1356
1357 chip->mixer_data = mix;
1358 chip->mixer_free = tumbler_cleanup;
1359 mix->anded_reset = 0;
1360 mix->reset_on_sleep = 1;
1361
1362 for_each_child_of_node(chip->node, np) {
1363 if (of_node_name_eq(np, "sound")) {
1364 if (of_property_read_bool(np, "has-anded-reset"))
1365 mix->anded_reset = 1;
1366 if (of_property_present(np, "layout-id"))
1367 mix->reset_on_sleep = 0;
1368 of_node_put(np);
1369 break;
1370 }
1371 }
1372 err = tumbler_init(chip);
1373 if (err < 0)
1374 return err;
1375
1376 /* set up TAS */
1377 tas_node = of_find_node_by_name(NULL, "deq");
1378 if (tas_node == NULL)
1379 tas_node = of_find_node_by_name(NULL, "codec");
1380 if (tas_node == NULL)
1381 return -ENODEV;
1382
1383 paddr = of_get_property(tas_node, "i2c-address", NULL);
1384 if (paddr == NULL)
1385 paddr = of_get_property(tas_node, "reg", NULL);
1386 if (paddr)
1387 mix->i2c.addr = (*paddr) >> 1;
1388 else
1389 mix->i2c.addr = TAS_I2C_ADDR;
1390 of_node_put(tas_node);
1391
1392 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1393
1394 if (chip->model == PMAC_TUMBLER) {
1395 mix->i2c.init_client = tumbler_init_client;
1396 mix->i2c.name = "TAS3001c";
1397 chipname = "Tumbler";
1398 } else {
1399 mix->i2c.init_client = snapper_init_client;
1400 mix->i2c.name = "TAS3004";
1401 chipname = "Snapper";
1402 }
1403
1404 err = snd_pmac_keywest_init(&mix->i2c);
1405 if (err < 0)
1406 return err;
1407
1408 /*
1409 * build mixers
1410 */
1411 sprintf(chip->card->mixername, "PowerMac %s", chipname);
1412
1413 if (chip->model == PMAC_TUMBLER) {
1414 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1415 err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip));
1416 if (err < 0)
1417 return err;
1418 }
1419 } else {
1420 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1421 err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip));
1422 if (err < 0)
1423 return err;
1424 }
1425 }
1426 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1427 err = snd_ctl_add(chip->card, chip->master_sw_ctl);
1428 if (err < 0)
1429 return err;
1430 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1431 err = snd_ctl_add(chip->card, chip->speaker_sw_ctl);
1432 if (err < 0)
1433 return err;
1434 if (mix->line_mute.addr != 0) {
1435 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1436 err = snd_ctl_add(chip->card, chip->lineout_sw_ctl);
1437 if (err < 0)
1438 return err;
1439 }
1440 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1441 err = snd_ctl_add(chip->card, chip->drc_sw_ctl);
1442 if (err < 0)
1443 return err;
1444
1445 /* set initial DRC range to 60% */
1446 if (chip->model == PMAC_TUMBLER)
1447 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1448 else
1449 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1450 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1451 if (chip->model == PMAC_TUMBLER)
1452 tumbler_set_drc(mix);
1453 else
1454 snapper_set_drc(mix);
1455
1456 #ifdef CONFIG_PM
1457 chip->suspend = tumbler_suspend;
1458 chip->resume = tumbler_resume;
1459 #endif
1460
1461 INIT_WORK(&device_change, device_change_handler);
1462 device_change_chip = chip;
1463
1464 #ifdef PMAC_SUPPORT_AUTOMUTE
1465 if (mix->headphone_irq >= 0 || mix->lineout_irq >= 0) {
1466 err = snd_pmac_add_automute(chip);
1467 if (err < 0)
1468 return err;
1469 }
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 err = request_irq(mix->headphone_irq, headphone_intr, 0,
1478 "Sound Headphone Detection", chip);
1479 if (err < 0)
1480 return 0;
1481 /* activate headphone status interrupts */
1482 val = do_gpio_read(&mix->hp_detect);
1483 do_gpio_write(&mix->hp_detect, val | 0x80);
1484 }
1485 if (mix->lineout_irq >= 0) {
1486 unsigned char val;
1487 err = request_irq(mix->lineout_irq, headphone_intr, 0,
1488 "Sound Lineout Detection", chip);
1489 if (err < 0)
1490 return 0;
1491 /* activate headphone status interrupts */
1492 val = do_gpio_read(&mix->line_detect);
1493 do_gpio_write(&mix->line_detect, val | 0x80);
1494 }
1495 #endif
1496
1497 return 0;
1498 }
1499
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