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x86: cpa: move clflush_cache_range()
[wrt350n-kernel.git] / sound / ppc / tumbler.c
blob5821cdd0bec9c224ac50d63d544e59ec73dfe816
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 <sound/driver.h>
28 #include <linux/init.h>
29 #include <linux/delay.h>
30 #include <linux/i2c.h>
31 #include <linux/kmod.h>
32 #include <linux/slab.h>
33 #include <linux/interrupt.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(fmt)
46 #else
47 #define DBG(fmt...)
48 #endif
49
50 /* i2c address for tumbler */
51 #define TAS_I2C_ADDR 0x34
52
53 /* registers */
54 #define TAS_REG_MCS 0x01 /* main control */
55 #define TAS_REG_DRC 0x02
56 #define TAS_REG_VOL 0x04
57 #define TAS_REG_TREBLE 0x05
58 #define TAS_REG_BASS 0x06
59 #define TAS_REG_INPUT1 0x07
60 #define TAS_REG_INPUT2 0x08
61
62 /* tas3001c */
63 #define TAS_REG_PCM TAS_REG_INPUT1
64
65 /* tas3004 */
66 #define TAS_REG_LMIX TAS_REG_INPUT1
67 #define TAS_REG_RMIX TAS_REG_INPUT2
68 #define TAS_REG_MCS2 0x43 /* main control 2 */
69 #define TAS_REG_ACS 0x40 /* analog control */
70
71 /* mono volumes for tas3001c/tas3004 */
72 enum {
73 VOL_IDX_PCM_MONO, /* tas3001c only */
74 VOL_IDX_BASS, VOL_IDX_TREBLE,
75 VOL_IDX_LAST_MONO
76 };
77
78 /* stereo volumes for tas3004 */
79 enum {
80 VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC,
81 VOL_IDX_LAST_MIX
82 };
83
84 struct pmac_gpio {
85 unsigned int addr;
86 u8 active_val;
87 u8 inactive_val;
88 u8 active_state;
89 };
90
91 struct pmac_tumbler {
92 struct pmac_keywest i2c;
93 struct pmac_gpio audio_reset;
94 struct pmac_gpio amp_mute;
95 struct pmac_gpio line_mute;
96 struct pmac_gpio line_detect;
97 struct pmac_gpio hp_mute;
98 struct pmac_gpio hp_detect;
99 int headphone_irq;
100 int lineout_irq;
101 unsigned int save_master_vol[2];
102 unsigned int master_vol[2];
103 unsigned int save_master_switch[2];
104 unsigned int master_switch[2];
105 unsigned int mono_vol[VOL_IDX_LAST_MONO];
106 unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */
107 int drc_range;
108 int drc_enable;
109 int capture_source;
110 int anded_reset;
111 int auto_mute_notify;
112 int reset_on_sleep;
113 u8 acs;
114 };
115
116
117 /*
118 */
119
120 static int send_init_client(struct pmac_keywest *i2c, unsigned int *regs)
121 {
122 while (*regs > 0) {
123 int err, count = 10;
124 do {
125 err = i2c_smbus_write_byte_data(i2c->client,
126 regs[0], regs[1]);
127 if (err >= 0)
128 break;
129 DBG("(W) i2c error %d\n", err);
130 mdelay(10);
131 } while (count--);
132 if (err < 0)
133 return -ENXIO;
134 regs += 2;
135 }
136 return 0;
137 }
138
139
140 static int tumbler_init_client(struct pmac_keywest *i2c)
141 {
142 static unsigned int regs[] = {
143 /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */
144 TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0,
145 0, /* terminator */
146 };
147 DBG("(I) tumbler init client\n");
148 return send_init_client(i2c, regs);
149 }
150
151 static int snapper_init_client(struct pmac_keywest *i2c)
152 {
153 static unsigned int regs[] = {
154 /* normal operation, SCLK=64fps, i2s output, 16bit width */
155 TAS_REG_MCS, (1<<6)|(2<<4)|0,
156 /* normal operation, all-pass mode */
157 TAS_REG_MCS2, (1<<1),
158 /* normal output, no deemphasis, A input, power-up, line-in */
159 TAS_REG_ACS, 0,
160 0, /* terminator */
161 };
162 DBG("(I) snapper init client\n");
163 return send_init_client(i2c, regs);
164 }
165
166 /*
167 * gpio access
168 */
169 #define do_gpio_write(gp, val) \
170 pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val)
171 #define do_gpio_read(gp) \
172 pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0)
173 #define tumbler_gpio_free(gp) /* NOP */
174
175 static void write_audio_gpio(struct pmac_gpio *gp, int active)
176 {
177 if (! gp->addr)
178 return;
179 active = active ? gp->active_val : gp->inactive_val;
180 do_gpio_write(gp, active);
181 DBG("(I) gpio %x write %d\n", gp->addr, active);
182 }
183
184 static int check_audio_gpio(struct pmac_gpio *gp)
185 {
186 int ret;
187
188 if (! gp->addr)
189 return 0;
190
191 ret = do_gpio_read(gp);
192
193 return (ret & 0x1) == (gp->active_val & 0x1);
194 }
195
196 static int read_audio_gpio(struct pmac_gpio *gp)
197 {
198 int ret;
199 if (! gp->addr)
200 return 0;
201 ret = do_gpio_read(gp);
202 ret = (ret & 0x02) !=0;
203 return ret == gp->active_state;
204 }
205
206 /*
207 * update master volume
208 */
209 static int tumbler_set_master_volume(struct pmac_tumbler *mix)
210 {
211 unsigned char block[6];
212 unsigned int left_vol, right_vol;
213
214 if (! mix->i2c.client)
215 return -ENODEV;
216
217 if (! mix->master_switch[0])
218 left_vol = 0;
219 else {
220 left_vol = mix->master_vol[0];
221 if (left_vol >= ARRAY_SIZE(master_volume_table))
222 left_vol = ARRAY_SIZE(master_volume_table) - 1;
223 left_vol = master_volume_table[left_vol];
224 }
225 if (! mix->master_switch[1])
226 right_vol = 0;
227 else {
228 right_vol = mix->master_vol[1];
229 if (right_vol >= ARRAY_SIZE(master_volume_table))
230 right_vol = ARRAY_SIZE(master_volume_table) - 1;
231 right_vol = master_volume_table[right_vol];
232 }
233
234 block[0] = (left_vol >> 16) & 0xff;
235 block[1] = (left_vol >> 8) & 0xff;
236 block[2] = (left_vol >> 0) & 0xff;
237
238 block[3] = (right_vol >> 16) & 0xff;
239 block[4] = (right_vol >> 8) & 0xff;
240 block[5] = (right_vol >> 0) & 0xff;
241
242 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6,
243 block) < 0) {
244 snd_printk("failed to set volume \n");
245 return -EINVAL;
246 }
247 return 0;
248 }
249
250
251 /* output volume */
252 static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol,
253 struct snd_ctl_elem_info *uinfo)
254 {
255 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
256 uinfo->count = 2;
257 uinfo->value.integer.min = 0;
258 uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1;
259 return 0;
260 }
261
262 static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol,
263 struct snd_ctl_elem_value *ucontrol)
264 {
265 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
266 struct pmac_tumbler *mix = chip->mixer_data;
267 snd_assert(mix, return -ENODEV);
268 ucontrol->value.integer.value[0] = mix->master_vol[0];
269 ucontrol->value.integer.value[1] = mix->master_vol[1];
270 return 0;
271 }
272
273 static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol,
274 struct snd_ctl_elem_value *ucontrol)
275 {
276 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
277 struct pmac_tumbler *mix = chip->mixer_data;
278 int change;
279
280 snd_assert(mix, return -ENODEV);
281 change = mix->master_vol[0] != ucontrol->value.integer.value[0] ||
282 mix->master_vol[1] != ucontrol->value.integer.value[1];
283 if (change) {
284 mix->master_vol[0] = ucontrol->value.integer.value[0];
285 mix->master_vol[1] = ucontrol->value.integer.value[1];
286 tumbler_set_master_volume(mix);
287 }
288 return change;
289 }
290
291 /* output switch */
292 static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol,
293 struct snd_ctl_elem_value *ucontrol)
294 {
295 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
296 struct pmac_tumbler *mix = chip->mixer_data;
297 snd_assert(mix, return -ENODEV);
298 ucontrol->value.integer.value[0] = mix->master_switch[0];
299 ucontrol->value.integer.value[1] = mix->master_switch[1];
300 return 0;
301 }
302
303 static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol,
304 struct snd_ctl_elem_value *ucontrol)
305 {
306 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
307 struct pmac_tumbler *mix = chip->mixer_data;
308 int change;
309
310 snd_assert(mix, return -ENODEV);
311 change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
312 mix->master_switch[1] != ucontrol->value.integer.value[1];
313 if (change) {
314 mix->master_switch[0] = !!ucontrol->value.integer.value[0];
315 mix->master_switch[1] = !!ucontrol->value.integer.value[1];
316 tumbler_set_master_volume(mix);
317 }
318 return change;
319 }
320
321
322 /*
323 * TAS3001c dynamic range compression
324 */
325
326 #define TAS3001_DRC_MAX 0x5f
327
328 static int tumbler_set_drc(struct pmac_tumbler *mix)
329 {
330 unsigned char val[2];
331
332 if (! mix->i2c.client)
333 return -ENODEV;
334
335 if (mix->drc_enable) {
336 val[0] = 0xc1; /* enable, 3:1 compression */
337 if (mix->drc_range > TAS3001_DRC_MAX)
338 val[1] = 0xf0;
339 else if (mix->drc_range < 0)
340 val[1] = 0x91;
341 else
342 val[1] = mix->drc_range + 0x91;
343 } else {
344 val[0] = 0;
345 val[1] = 0;
346 }
347
348 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
349 2, val) < 0) {
350 snd_printk("failed to set DRC\n");
351 return -EINVAL;
352 }
353 return 0;
354 }
355
356 /*
357 * TAS3004
358 */
359
360 #define TAS3004_DRC_MAX 0xef
361
362 static int snapper_set_drc(struct pmac_tumbler *mix)
363 {
364 unsigned char val[6];
365
366 if (! mix->i2c.client)
367 return -ENODEV;
368
369 if (mix->drc_enable)
370 val[0] = 0x50; /* 3:1 above threshold */
371 else
372 val[0] = 0x51; /* disabled */
373 val[1] = 0x02; /* 1:1 below threshold */
374 if (mix->drc_range > 0xef)
375 val[2] = 0xef;
376 else if (mix->drc_range < 0)
377 val[2] = 0x00;
378 else
379 val[2] = mix->drc_range;
380 val[3] = 0xb0;
381 val[4] = 0x60;
382 val[5] = 0xa0;
383
384 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
385 6, val) < 0) {
386 snd_printk("failed to set DRC\n");
387 return -EINVAL;
388 }
389 return 0;
390 }
391
392 static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol,
393 struct snd_ctl_elem_info *uinfo)
394 {
395 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
396 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
397 uinfo->count = 1;
398 uinfo->value.integer.min = 0;
399 uinfo->value.integer.max =
400 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
401 return 0;
402 }
403
404 static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol,
405 struct snd_ctl_elem_value *ucontrol)
406 {
407 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
408 struct pmac_tumbler *mix;
409 if (! (mix = chip->mixer_data))
410 return -ENODEV;
411 ucontrol->value.integer.value[0] = mix->drc_range;
412 return 0;
413 }
414
415 static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol,
416 struct snd_ctl_elem_value *ucontrol)
417 {
418 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
419 struct pmac_tumbler *mix;
420 int change;
421
422 if (! (mix = chip->mixer_data))
423 return -ENODEV;
424 change = mix->drc_range != ucontrol->value.integer.value[0];
425 if (change) {
426 mix->drc_range = ucontrol->value.integer.value[0];
427 if (chip->model == PMAC_TUMBLER)
428 tumbler_set_drc(mix);
429 else
430 snapper_set_drc(mix);
431 }
432 return change;
433 }
434
435 static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol,
436 struct snd_ctl_elem_value *ucontrol)
437 {
438 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
439 struct pmac_tumbler *mix;
440 if (! (mix = chip->mixer_data))
441 return -ENODEV;
442 ucontrol->value.integer.value[0] = mix->drc_enable;
443 return 0;
444 }
445
446 static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol,
447 struct snd_ctl_elem_value *ucontrol)
448 {
449 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
450 struct pmac_tumbler *mix;
451 int change;
452
453 if (! (mix = chip->mixer_data))
454 return -ENODEV;
455 change = mix->drc_enable != ucontrol->value.integer.value[0];
456 if (change) {
457 mix->drc_enable = !!ucontrol->value.integer.value[0];
458 if (chip->model == PMAC_TUMBLER)
459 tumbler_set_drc(mix);
460 else
461 snapper_set_drc(mix);
462 }
463 return change;
464 }
465
466
467 /*
468 * mono volumes
469 */
470
471 struct tumbler_mono_vol {
472 int index;
473 int reg;
474 int bytes;
475 unsigned int max;
476 unsigned int *table;
477 };
478
479 static int tumbler_set_mono_volume(struct pmac_tumbler *mix,
480 struct tumbler_mono_vol *info)
481 {
482 unsigned char block[4];
483 unsigned int vol;
484 int i;
485
486 if (! mix->i2c.client)
487 return -ENODEV;
488
489 vol = mix->mono_vol[info->index];
490 if (vol >= info->max)
491 vol = info->max - 1;
492 vol = info->table[vol];
493 for (i = 0; i < info->bytes; i++)
494 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
495 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg,
496 info->bytes, block) < 0) {
497 snd_printk("failed to set mono volume %d\n", info->index);
498 return -EINVAL;
499 }
500 return 0;
501 }
502
503 static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
504 struct snd_ctl_elem_info *uinfo)
505 {
506 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
507
508 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
509 uinfo->count = 1;
510 uinfo->value.integer.min = 0;
511 uinfo->value.integer.max = info->max - 1;
512 return 0;
513 }
514
515 static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
516 struct snd_ctl_elem_value *ucontrol)
517 {
518 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
519 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
520 struct pmac_tumbler *mix;
521 if (! (mix = chip->mixer_data))
522 return -ENODEV;
523 ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
524 return 0;
525 }
526
527 static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
528 struct snd_ctl_elem_value *ucontrol)
529 {
530 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
531 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
532 struct pmac_tumbler *mix;
533 int change;
534
535 if (! (mix = chip->mixer_data))
536 return -ENODEV;
537 change = mix->mono_vol[info->index] != ucontrol->value.integer.value[0];
538 if (change) {
539 mix->mono_vol[info->index] = ucontrol->value.integer.value[0];
540 tumbler_set_mono_volume(mix, info);
541 }
542 return change;
543 }
544
545 /* TAS3001c mono volumes */
546 static struct tumbler_mono_vol tumbler_pcm_vol_info = {
547 .index = VOL_IDX_PCM_MONO,
548 .reg = TAS_REG_PCM,
549 .bytes = 3,
550 .max = ARRAY_SIZE(mixer_volume_table),
551 .table = mixer_volume_table,
552 };
553
554 static struct tumbler_mono_vol tumbler_bass_vol_info = {
555 .index = VOL_IDX_BASS,
556 .reg = TAS_REG_BASS,
557 .bytes = 1,
558 .max = ARRAY_SIZE(bass_volume_table),
559 .table = bass_volume_table,
560 };
561
562 static struct tumbler_mono_vol tumbler_treble_vol_info = {
563 .index = VOL_IDX_TREBLE,
564 .reg = TAS_REG_TREBLE,
565 .bytes = 1,
566 .max = ARRAY_SIZE(treble_volume_table),
567 .table = treble_volume_table,
568 };
569
570 /* TAS3004 mono volumes */
571 static struct tumbler_mono_vol snapper_bass_vol_info = {
572 .index = VOL_IDX_BASS,
573 .reg = TAS_REG_BASS,
574 .bytes = 1,
575 .max = ARRAY_SIZE(snapper_bass_volume_table),
576 .table = snapper_bass_volume_table,
577 };
578
579 static struct tumbler_mono_vol snapper_treble_vol_info = {
580 .index = VOL_IDX_TREBLE,
581 .reg = TAS_REG_TREBLE,
582 .bytes = 1,
583 .max = ARRAY_SIZE(snapper_treble_volume_table),
584 .table = snapper_treble_volume_table,
585 };
586
587
588 #define DEFINE_MONO(xname,type) { \
589 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
590 .name = xname, \
591 .info = tumbler_info_mono, \
592 .get = tumbler_get_mono, \
593 .put = tumbler_put_mono, \
594 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
595 }
596
597 #define DEFINE_SNAPPER_MONO(xname,type) { \
598 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
599 .name = xname, \
600 .info = tumbler_info_mono, \
601 .get = tumbler_get_mono, \
602 .put = tumbler_put_mono, \
603 .private_value = (unsigned long)(&snapper_##type##_vol_info), \
604 }
605
606
607 /*
608 * snapper mixer volumes
609 */
610
611 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
612 {
613 int i, j, vol;
614 unsigned char block[9];
615
616 vol = mix->mix_vol[idx][ch];
617 if (vol >= ARRAY_SIZE(mixer_volume_table)) {
618 vol = ARRAY_SIZE(mixer_volume_table) - 1;
619 mix->mix_vol[idx][ch] = vol;
620 }
621
622 for (i = 0; i < 3; i++) {
623 vol = mix->mix_vol[i][ch];
624 vol = mixer_volume_table[vol];
625 for (j = 0; j < 3; j++)
626 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
627 }
628 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
629 9, block) < 0) {
630 snd_printk("failed to set mono volume %d\n", reg);
631 return -EINVAL;
632 }
633 return 0;
634 }
635
636 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
637 {
638 if (! mix->i2c.client)
639 return -ENODEV;
640 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
641 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
642 return -EINVAL;
643 return 0;
644 }
645
646 static int snapper_info_mix(struct snd_kcontrol *kcontrol,
647 struct snd_ctl_elem_info *uinfo)
648 {
649 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
650 uinfo->count = 2;
651 uinfo->value.integer.min = 0;
652 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
653 return 0;
654 }
655
656 static int snapper_get_mix(struct snd_kcontrol *kcontrol,
657 struct snd_ctl_elem_value *ucontrol)
658 {
659 int idx = (int)kcontrol->private_value;
660 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
661 struct pmac_tumbler *mix;
662 if (! (mix = chip->mixer_data))
663 return -ENODEV;
664 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
665 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
666 return 0;
667 }
668
669 static int snapper_put_mix(struct snd_kcontrol *kcontrol,
670 struct snd_ctl_elem_value *ucontrol)
671 {
672 int idx = (int)kcontrol->private_value;
673 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
674 struct pmac_tumbler *mix;
675 int change;
676
677 if (! (mix = chip->mixer_data))
678 return -ENODEV;
679 change = mix->mix_vol[idx][0] != ucontrol->value.integer.value[0] ||
680 mix->mix_vol[idx][1] != ucontrol->value.integer.value[1];
681 if (change) {
682 mix->mix_vol[idx][0] = ucontrol->value.integer.value[0];
683 mix->mix_vol[idx][1] = ucontrol->value.integer.value[1];
684 snapper_set_mix_vol(mix, idx);
685 }
686 return change;
687 }
688
689
690 /*
691 * mute switches. FIXME: Turn that into software mute when both outputs are muted
692 * to avoid codec reset on ibook M7
693 */
694
695 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
696
697 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
698 struct snd_ctl_elem_value *ucontrol)
699 {
700 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
701 struct pmac_tumbler *mix;
702 struct pmac_gpio *gp;
703 if (! (mix = chip->mixer_data))
704 return -ENODEV;
705 switch(kcontrol->private_value) {
706 case TUMBLER_MUTE_HP:
707 gp = &mix->hp_mute; break;
708 case TUMBLER_MUTE_AMP:
709 gp = &mix->amp_mute; break;
710 case TUMBLER_MUTE_LINE:
711 gp = &mix->line_mute; break;
712 default:
713 gp = NULL;
714 }
715 if (gp == NULL)
716 return -EINVAL;
717 ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
718 return 0;
719 }
720
721 static int tumbler_put_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 int val;
728 #ifdef PMAC_SUPPORT_AUTOMUTE
729 if (chip->update_automute && chip->auto_mute)
730 return 0; /* don't touch in the auto-mute mode */
731 #endif
732 if (! (mix = chip->mixer_data))
733 return -ENODEV;
734 switch(kcontrol->private_value) {
735 case TUMBLER_MUTE_HP:
736 gp = &mix->hp_mute; break;
737 case TUMBLER_MUTE_AMP:
738 gp = &mix->amp_mute; break;
739 case TUMBLER_MUTE_LINE:
740 gp = &mix->line_mute; break;
741 default:
742 gp = NULL;
743 }
744 if (gp == NULL)
745 return -EINVAL;
746 val = ! check_audio_gpio(gp);
747 if (val != ucontrol->value.integer.value[0]) {
748 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
749 return 1;
750 }
751 return 0;
752 }
753
754 static int snapper_set_capture_source(struct pmac_tumbler *mix)
755 {
756 if (! mix->i2c.client)
757 return -ENODEV;
758 if (mix->capture_source)
759 mix->acs = mix->acs |= 2;
760 else
761 mix->acs &= ~2;
762 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
763 }
764
765 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
766 struct snd_ctl_elem_info *uinfo)
767 {
768 static char *texts[2] = {
769 "Line", "Mic"
770 };
771 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
772 uinfo->count = 1;
773 uinfo->value.enumerated.items = 2;
774 if (uinfo->value.enumerated.item > 1)
775 uinfo->value.enumerated.item = 1;
776 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
777 return 0;
778 }
779
780 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
781 struct snd_ctl_elem_value *ucontrol)
782 {
783 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
784 struct pmac_tumbler *mix = chip->mixer_data;
785
786 snd_assert(mix, return -ENODEV);
787 ucontrol->value.integer.value[0] = mix->capture_source;
788 return 0;
789 }
790
791 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
792 struct snd_ctl_elem_value *ucontrol)
793 {
794 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
795 struct pmac_tumbler *mix = chip->mixer_data;
796 int change;
797
798 snd_assert(mix, return -ENODEV);
799 change = ucontrol->value.integer.value[0] != mix->capture_source;
800 if (change) {
801 mix->capture_source = !!ucontrol->value.integer.value[0];
802 snapper_set_capture_source(mix);
803 }
804 return change;
805 }
806
807 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
808 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
809 .name = xname, \
810 .info = snapper_info_mix, \
811 .get = snapper_get_mix, \
812 .put = snapper_put_mix, \
813 .index = idx,\
814 .private_value = ofs, \
815 }
816
817
818 /*
819 */
820 static struct snd_kcontrol_new tumbler_mixers[] __initdata = {
821 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
822 .name = "Master Playback Volume",
823 .info = tumbler_info_master_volume,
824 .get = tumbler_get_master_volume,
825 .put = tumbler_put_master_volume
826 },
827 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
828 .name = "Master Playback Switch",
829 .info = snd_pmac_boolean_stereo_info,
830 .get = tumbler_get_master_switch,
831 .put = tumbler_put_master_switch
832 },
833 DEFINE_MONO("Tone Control - Bass", bass),
834 DEFINE_MONO("Tone Control - Treble", treble),
835 DEFINE_MONO("PCM Playback Volume", pcm),
836 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
837 .name = "DRC Range",
838 .info = tumbler_info_drc_value,
839 .get = tumbler_get_drc_value,
840 .put = tumbler_put_drc_value
841 },
842 };
843
844 static struct snd_kcontrol_new snapper_mixers[] __initdata = {
845 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
846 .name = "Master Playback Volume",
847 .info = tumbler_info_master_volume,
848 .get = tumbler_get_master_volume,
849 .put = tumbler_put_master_volume
850 },
851 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
852 .name = "Master Playback Switch",
853 .info = snd_pmac_boolean_stereo_info,
854 .get = tumbler_get_master_switch,
855 .put = tumbler_put_master_switch
856 },
857 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
858 DEFINE_SNAPPER_MIX("PCM Playback Volume", 1, VOL_IDX_PCM2),
859 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
860 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
861 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
862 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
863 .name = "DRC Range",
864 .info = tumbler_info_drc_value,
865 .get = tumbler_get_drc_value,
866 .put = tumbler_put_drc_value
867 },
868 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
869 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
870 .info = snapper_info_capture_source,
871 .get = snapper_get_capture_source,
872 .put = snapper_put_capture_source
873 },
874 };
875
876 static struct snd_kcontrol_new tumbler_hp_sw __initdata = {
877 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
878 .name = "Headphone Playback Switch",
879 .info = snd_pmac_boolean_mono_info,
880 .get = tumbler_get_mute_switch,
881 .put = tumbler_put_mute_switch,
882 .private_value = TUMBLER_MUTE_HP,
883 };
884 static struct snd_kcontrol_new tumbler_speaker_sw __initdata = {
885 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
886 .name = "PC Speaker Playback Switch",
887 .info = snd_pmac_boolean_mono_info,
888 .get = tumbler_get_mute_switch,
889 .put = tumbler_put_mute_switch,
890 .private_value = TUMBLER_MUTE_AMP,
891 };
892 static struct snd_kcontrol_new tumbler_lineout_sw __initdata = {
893 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
894 .name = "Line Out Playback Switch",
895 .info = snd_pmac_boolean_mono_info,
896 .get = tumbler_get_mute_switch,
897 .put = tumbler_put_mute_switch,
898 .private_value = TUMBLER_MUTE_LINE,
899 };
900 static struct snd_kcontrol_new tumbler_drc_sw __initdata = {
901 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
902 .name = "DRC Switch",
903 .info = snd_pmac_boolean_mono_info,
904 .get = tumbler_get_drc_switch,
905 .put = tumbler_put_drc_switch
906 };
907
908
909 #ifdef PMAC_SUPPORT_AUTOMUTE
910 /*
911 * auto-mute stuffs
912 */
913 static int tumbler_detect_headphone(struct snd_pmac *chip)
914 {
915 struct pmac_tumbler *mix = chip->mixer_data;
916 int detect = 0;
917
918 if (mix->hp_detect.addr)
919 detect |= read_audio_gpio(&mix->hp_detect);
920 return detect;
921 }
922
923 static int tumbler_detect_lineout(struct snd_pmac *chip)
924 {
925 struct pmac_tumbler *mix = chip->mixer_data;
926 int detect = 0;
927
928 if (mix->line_detect.addr)
929 detect |= read_audio_gpio(&mix->line_detect);
930 return detect;
931 }
932
933 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
934 struct snd_kcontrol *sw)
935 {
936 if (check_audio_gpio(gp) != val) {
937 write_audio_gpio(gp, val);
938 if (do_notify)
939 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
940 &sw->id);
941 }
942 }
943
944 static struct work_struct device_change;
945 static struct snd_pmac *device_change_chip;
946
947 static void device_change_handler(struct work_struct *work)
948 {
949 struct snd_pmac *chip = device_change_chip;
950 struct pmac_tumbler *mix;
951 int headphone, lineout;
952
953 if (!chip)
954 return;
955
956 mix = chip->mixer_data;
957 snd_assert(mix, return);
958
959 headphone = tumbler_detect_headphone(chip);
960 lineout = tumbler_detect_lineout(chip);
961
962 DBG("headphone: %d, lineout: %d\n", headphone, lineout);
963
964 if (headphone || lineout) {
965 /* unmute headphone/lineout & mute speaker */
966 if (headphone)
967 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
968 chip->master_sw_ctl);
969 if (lineout && mix->line_mute.addr != 0)
970 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
971 chip->lineout_sw_ctl);
972 if (mix->anded_reset)
973 msleep(10);
974 check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify,
975 chip->speaker_sw_ctl);
976 } else {
977 /* unmute speaker, mute others */
978 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
979 chip->speaker_sw_ctl);
980 if (mix->anded_reset)
981 msleep(10);
982 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
983 chip->master_sw_ctl);
984 if (mix->line_mute.addr != 0)
985 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
986 chip->lineout_sw_ctl);
987 }
988 if (mix->auto_mute_notify)
989 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
990 &chip->hp_detect_ctl->id);
991
992 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC
993 mix->drc_enable = ! (headphone || lineout);
994 if (mix->auto_mute_notify)
995 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
996 &chip->drc_sw_ctl->id);
997 if (chip->model == PMAC_TUMBLER)
998 tumbler_set_drc(mix);
999 else
1000 snapper_set_drc(mix);
1001 #endif
1002
1003 /* reset the master volume so the correct amplification is applied */
1004 tumbler_set_master_volume(mix);
1005 }
1006
1007 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1008 {
1009 if (chip->auto_mute) {
1010 struct pmac_tumbler *mix;
1011 mix = chip->mixer_data;
1012 snd_assert(mix, return);
1013 mix->auto_mute_notify = do_notify;
1014 schedule_work(&device_change);
1015 }
1016 }
1017 #endif /* PMAC_SUPPORT_AUTOMUTE */
1018
1019
1020 /* interrupt - headphone plug changed */
1021 static irqreturn_t headphone_intr(int irq, void *devid)
1022 {
1023 struct snd_pmac *chip = devid;
1024 if (chip->update_automute && chip->initialized) {
1025 chip->update_automute(chip, 1);
1026 return IRQ_HANDLED;
1027 }
1028 return IRQ_NONE;
1029 }
1030
1031 /* look for audio-gpio device */
1032 static struct device_node *find_audio_device(const char *name)
1033 {
1034 struct device_node *gpiop;
1035 struct device_node *np;
1036
1037 gpiop = of_find_node_by_name(NULL, "gpio");
1038 if (! gpiop)
1039 return NULL;
1040
1041 for (np = of_get_next_child(gpiop, NULL); np;
1042 np = of_get_next_child(gpiop, np)) {
1043 const char *property = of_get_property(np, "audio-gpio", NULL);
1044 if (property && strcmp(property, name) == 0)
1045 break;
1046 }
1047 of_node_put(gpiop);
1048 return np;
1049 }
1050
1051 /* look for audio-gpio device */
1052 static struct device_node *find_compatible_audio_device(const char *name)
1053 {
1054 struct device_node *gpiop;
1055 struct device_node *np;
1056
1057 gpiop = of_find_node_by_name(NULL, "gpio");
1058 if (!gpiop)
1059 return NULL;
1060
1061 for (np = of_get_next_child(gpiop, NULL); np;
1062 np = of_get_next_child(gpiop, np)) {
1063 if (of_device_is_compatible(np, name))
1064 break;
1065 }
1066 of_node_put(gpiop);
1067 return np;
1068 }
1069
1070 /* find an audio device and get its address */
1071 static long tumbler_find_device(const char *device, const char *platform,
1072 struct pmac_gpio *gp, int is_compatible)
1073 {
1074 struct device_node *node;
1075 const u32 *base;
1076 u32 addr;
1077 long ret;
1078
1079 if (is_compatible)
1080 node = find_compatible_audio_device(device);
1081 else
1082 node = find_audio_device(device);
1083 if (! node) {
1084 DBG("(W) cannot find audio device %s !\n", device);
1085 snd_printdd("cannot find device %s\n", device);
1086 return -ENODEV;
1087 }
1088
1089 base = of_get_property(node, "AAPL,address", NULL);
1090 if (! base) {
1091 base = of_get_property(node, "reg", NULL);
1092 if (!base) {
1093 DBG("(E) cannot find address for device %s !\n", device);
1094 snd_printd("cannot find address for device %s\n", device);
1095 of_node_put(node);
1096 return -ENODEV;
1097 }
1098 addr = *base;
1099 if (addr < 0x50)
1100 addr += 0x50;
1101 } else
1102 addr = *base;
1103
1104 gp->addr = addr & 0x0000ffff;
1105 /* Try to find the active state, default to 0 ! */
1106 base = of_get_property(node, "audio-gpio-active-state", NULL);
1107 if (base) {
1108 gp->active_state = *base;
1109 gp->active_val = (*base) ? 0x5 : 0x4;
1110 gp->inactive_val = (*base) ? 0x4 : 0x5;
1111 } else {
1112 const u32 *prop = NULL;
1113 gp->active_state = 0;
1114 gp->active_val = 0x4;
1115 gp->inactive_val = 0x5;
1116 /* Here are some crude hacks to extract the GPIO polarity and
1117 * open collector informations out of the do-platform script
1118 * as we don't yet have an interpreter for these things
1119 */
1120 if (platform)
1121 prop = of_get_property(node, platform, NULL);
1122 if (prop) {
1123 if (prop[3] == 0x9 && prop[4] == 0x9) {
1124 gp->active_val = 0xd;
1125 gp->inactive_val = 0xc;
1126 }
1127 if (prop[3] == 0x1 && prop[4] == 0x1) {
1128 gp->active_val = 0x5;
1129 gp->inactive_val = 0x4;
1130 }
1131 }
1132 }
1133
1134 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
1135 device, gp->addr, gp->active_state);
1136
1137 ret = irq_of_parse_and_map(node, 0);
1138 of_node_put(node);
1139 return ret;
1140 }
1141
1142 /* reset audio */
1143 static void tumbler_reset_audio(struct snd_pmac *chip)
1144 {
1145 struct pmac_tumbler *mix = chip->mixer_data;
1146
1147 if (mix->anded_reset) {
1148 DBG("(I) codec anded reset !\n");
1149 write_audio_gpio(&mix->hp_mute, 0);
1150 write_audio_gpio(&mix->amp_mute, 0);
1151 msleep(200);
1152 write_audio_gpio(&mix->hp_mute, 1);
1153 write_audio_gpio(&mix->amp_mute, 1);
1154 msleep(100);
1155 write_audio_gpio(&mix->hp_mute, 0);
1156 write_audio_gpio(&mix->amp_mute, 0);
1157 msleep(100);
1158 } else {
1159 DBG("(I) codec normal reset !\n");
1160
1161 write_audio_gpio(&mix->audio_reset, 0);
1162 msleep(200);
1163 write_audio_gpio(&mix->audio_reset, 1);
1164 msleep(100);
1165 write_audio_gpio(&mix->audio_reset, 0);
1166 msleep(100);
1167 }
1168 }
1169
1170 #ifdef CONFIG_PM
1171 /* suspend mixer */
1172 static void tumbler_suspend(struct snd_pmac *chip)
1173 {
1174 struct pmac_tumbler *mix = chip->mixer_data;
1175
1176 if (mix->headphone_irq >= 0)
1177 disable_irq(mix->headphone_irq);
1178 if (mix->lineout_irq >= 0)
1179 disable_irq(mix->lineout_irq);
1180 mix->save_master_switch[0] = mix->master_switch[0];
1181 mix->save_master_switch[1] = mix->master_switch[1];
1182 mix->save_master_vol[0] = mix->master_vol[0];
1183 mix->save_master_vol[1] = mix->master_vol[1];
1184 mix->master_switch[0] = mix->master_switch[1] = 0;
1185 tumbler_set_master_volume(mix);
1186 if (!mix->anded_reset) {
1187 write_audio_gpio(&mix->amp_mute, 1);
1188 write_audio_gpio(&mix->hp_mute, 1);
1189 }
1190 if (chip->model == PMAC_SNAPPER) {
1191 mix->acs |= 1;
1192 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1193 }
1194 if (mix->anded_reset) {
1195 write_audio_gpio(&mix->amp_mute, 1);
1196 write_audio_gpio(&mix->hp_mute, 1);
1197 } else
1198 write_audio_gpio(&mix->audio_reset, 1);
1199 }
1200
1201 /* resume mixer */
1202 static void tumbler_resume(struct snd_pmac *chip)
1203 {
1204 struct pmac_tumbler *mix = chip->mixer_data;
1205
1206 snd_assert(mix, return);
1207
1208 mix->acs &= ~1;
1209 mix->master_switch[0] = mix->save_master_switch[0];
1210 mix->master_switch[1] = mix->save_master_switch[1];
1211 mix->master_vol[0] = mix->save_master_vol[0];
1212 mix->master_vol[1] = mix->save_master_vol[1];
1213 tumbler_reset_audio(chip);
1214 if (mix->i2c.client && mix->i2c.init_client) {
1215 if (mix->i2c.init_client(&mix->i2c) < 0)
1216 printk(KERN_ERR "tumbler_init_client error\n");
1217 } else
1218 printk(KERN_ERR "tumbler: i2c is not initialized\n");
1219 if (chip->model == PMAC_TUMBLER) {
1220 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1221 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1222 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1223 tumbler_set_drc(mix);
1224 } else {
1225 snapper_set_mix_vol(mix, VOL_IDX_PCM);
1226 snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1227 snapper_set_mix_vol(mix, VOL_IDX_ADC);
1228 tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1229 tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1230 snapper_set_drc(mix);
1231 snapper_set_capture_source(mix);
1232 }
1233 tumbler_set_master_volume(mix);
1234 if (chip->update_automute)
1235 chip->update_automute(chip, 0);
1236 if (mix->headphone_irq >= 0) {
1237 unsigned char val;
1238
1239 enable_irq(mix->headphone_irq);
1240 /* activate headphone status interrupts */
1241 val = do_gpio_read(&mix->hp_detect);
1242 do_gpio_write(&mix->hp_detect, val | 0x80);
1243 }
1244 if (mix->lineout_irq >= 0)
1245 enable_irq(mix->lineout_irq);
1246 }
1247 #endif
1248
1249 /* initialize tumbler */
1250 static int __init tumbler_init(struct snd_pmac *chip)
1251 {
1252 int irq;
1253 struct pmac_tumbler *mix = chip->mixer_data;
1254 snd_assert(mix, return -EINVAL);
1255
1256 if (tumbler_find_device("audio-hw-reset",
1257 "platform-do-hw-reset",
1258 &mix->audio_reset, 0) < 0)
1259 tumbler_find_device("hw-reset",
1260 "platform-do-hw-reset",
1261 &mix->audio_reset, 1);
1262 if (tumbler_find_device("amp-mute",
1263 "platform-do-amp-mute",
1264 &mix->amp_mute, 0) < 0)
1265 tumbler_find_device("amp-mute",
1266 "platform-do-amp-mute",
1267 &mix->amp_mute, 1);
1268 if (tumbler_find_device("headphone-mute",
1269 "platform-do-headphone-mute",
1270 &mix->hp_mute, 0) < 0)
1271 tumbler_find_device("headphone-mute",
1272 "platform-do-headphone-mute",
1273 &mix->hp_mute, 1);
1274 if (tumbler_find_device("line-output-mute",
1275 "platform-do-lineout-mute",
1276 &mix->line_mute, 0) < 0)
1277 tumbler_find_device("line-output-mute",
1278 "platform-do-lineout-mute",
1279 &mix->line_mute, 1);
1280 irq = tumbler_find_device("headphone-detect",
1281 NULL, &mix->hp_detect, 0);
1282 if (irq <= NO_IRQ)
1283 irq = tumbler_find_device("headphone-detect",
1284 NULL, &mix->hp_detect, 1);
1285 if (irq <= NO_IRQ)
1286 irq = tumbler_find_device("keywest-gpio15",
1287 NULL, &mix->hp_detect, 1);
1288 mix->headphone_irq = irq;
1289 irq = tumbler_find_device("line-output-detect",
1290 NULL, &mix->line_detect, 0);
1291 if (irq <= NO_IRQ)
1292 irq = tumbler_find_device("line-output-detect",
1293 NULL, &mix->line_detect, 1);
1294 mix->lineout_irq = irq;
1295
1296 tumbler_reset_audio(chip);
1297
1298 return 0;
1299 }
1300
1301 static void tumbler_cleanup(struct snd_pmac *chip)
1302 {
1303 struct pmac_tumbler *mix = chip->mixer_data;
1304 if (! mix)
1305 return;
1306
1307 if (mix->headphone_irq >= 0)
1308 free_irq(mix->headphone_irq, chip);
1309 if (mix->lineout_irq >= 0)
1310 free_irq(mix->lineout_irq, chip);
1311 tumbler_gpio_free(&mix->audio_reset);
1312 tumbler_gpio_free(&mix->amp_mute);
1313 tumbler_gpio_free(&mix->hp_mute);
1314 tumbler_gpio_free(&mix->hp_detect);
1315 snd_pmac_keywest_cleanup(&mix->i2c);
1316 kfree(mix);
1317 chip->mixer_data = NULL;
1318 }
1319
1320 /* exported */
1321 int __init snd_pmac_tumbler_init(struct snd_pmac *chip)
1322 {
1323 int i, err;
1324 struct pmac_tumbler *mix;
1325 const u32 *paddr;
1326 struct device_node *tas_node, *np;
1327 char *chipname;
1328
1329 #ifdef CONFIG_KMOD
1330 if (current->fs->root)
1331 request_module("i2c-powermac");
1332 #endif /* CONFIG_KMOD */
1333
1334 mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1335 if (! mix)
1336 return -ENOMEM;
1337 mix->headphone_irq = -1;
1338
1339 chip->mixer_data = mix;
1340 chip->mixer_free = tumbler_cleanup;
1341 mix->anded_reset = 0;
1342 mix->reset_on_sleep = 1;
1343
1344 for (np = chip->node->child; np; np = np->sibling) {
1345 if (!strcmp(np->name, "sound")) {
1346 if (of_get_property(np, "has-anded-reset", NULL))
1347 mix->anded_reset = 1;
1348 if (of_get_property(np, "layout-id", NULL))
1349 mix->reset_on_sleep = 0;
1350 break;
1351 }
1352 }
1353 if ((err = tumbler_init(chip)) < 0)
1354 return err;
1355
1356 /* set up TAS */
1357 tas_node = of_find_node_by_name(NULL, "deq");
1358 if (tas_node == NULL)
1359 tas_node = of_find_node_by_name(NULL, "codec");
1360 if (tas_node == NULL)
1361 return -ENODEV;
1362
1363 paddr = of_get_property(tas_node, "i2c-address", NULL);
1364 if (paddr == NULL)
1365 paddr = of_get_property(tas_node, "reg", NULL);
1366 if (paddr)
1367 mix->i2c.addr = (*paddr) >> 1;
1368 else
1369 mix->i2c.addr = TAS_I2C_ADDR;
1370 of_node_put(tas_node);
1371
1372 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1373
1374 if (chip->model == PMAC_TUMBLER) {
1375 mix->i2c.init_client = tumbler_init_client;
1376 mix->i2c.name = "TAS3001c";
1377 chipname = "Tumbler";
1378 } else {
1379 mix->i2c.init_client = snapper_init_client;
1380 mix->i2c.name = "TAS3004";
1381 chipname = "Snapper";
1382 }
1383
1384 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
1385 return err;
1386
1387 /*
1388 * build mixers
1389 */
1390 sprintf(chip->card->mixername, "PowerMac %s", chipname);
1391
1392 if (chip->model == PMAC_TUMBLER) {
1393 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1394 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
1395 return err;
1396 }
1397 } else {
1398 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1399 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
1400 return err;
1401 }
1402 }
1403 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1404 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
1405 return err;
1406 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1407 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
1408 return err;
1409 if (mix->line_mute.addr != 0) {
1410 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1411 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0)
1412 return err;
1413 }
1414 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1415 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
1416 return err;
1417
1418 /* set initial DRC range to 60% */
1419 if (chip->model == PMAC_TUMBLER)
1420 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1421 else
1422 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1423 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1424 if (chip->model == PMAC_TUMBLER)
1425 tumbler_set_drc(mix);
1426 else
1427 snapper_set_drc(mix);
1428
1429 #ifdef CONFIG_PM
1430 chip->suspend = tumbler_suspend;
1431 chip->resume = tumbler_resume;
1432 #endif
1433
1434 INIT_WORK(&device_change, device_change_handler);
1435 device_change_chip = chip;
1436
1437 #ifdef PMAC_SUPPORT_AUTOMUTE
1438 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0)
1439 && (err = snd_pmac_add_automute(chip)) < 0)
1440 return err;
1441 chip->detect_headphone = tumbler_detect_headphone;
1442 chip->update_automute = tumbler_update_automute;
1443 tumbler_update_automute(chip, 0); /* update the status only */
1444
1445 /* activate headphone status interrupts */
1446 if (mix->headphone_irq >= 0) {
1447 unsigned char val;
1448 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0,
1449 "Sound Headphone Detection", chip)) < 0)
1450 return 0;
1451 /* activate headphone status interrupts */
1452 val = do_gpio_read(&mix->hp_detect);
1453 do_gpio_write(&mix->hp_detect, val | 0x80);
1454 }
1455 if (mix->lineout_irq >= 0) {
1456 unsigned char val;
1457 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0,
1458 "Sound Lineout Detection", chip)) < 0)
1459 return 0;
1460 /* activate headphone status interrupts */
1461 val = do_gpio_read(&mix->line_detect);
1462 do_gpio_write(&mix->line_detect, val | 0x80);
1463 }
1464 #endif
1465
1466 return 0;
1467 }
WRT350N Kernel Patches