2 * PMac Tumbler/Snapper lowlevel functions
4 * Copyright (c) by Takashi Iwai <tiwai@suse.de>
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.
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.
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
20 * Rene Rebe <rene.rebe@gmx.net>:
21 * * update from shadow registers on wakeup and headphone plug
22 * * automatically toggle DRC on headphone plug
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>
37 #include <asm/machdep.h>
38 #include <asm/pmac_feature.h>
40 #include "tumbler_volume.h"
45 #define DBG(fmt...) printk(fmt)
50 /* i2c address for tumbler */
51 #define TAS_I2C_ADDR 0x34
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
63 #define TAS_REG_PCM TAS_REG_INPUT1
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 */
71 /* mono volumes for tas3001c/tas3004 */
73 VOL_IDX_PCM_MONO, /* tas3001c only */
74 VOL_IDX_BASS, VOL_IDX_TREBLE,
78 /* stereo volumes for tas3004 */
80 VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC,
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;
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 */
111 int auto_mute_notify;
120 static int send_init_client(struct pmac_keywest *i2c, unsigned int *regs)
125 err = i2c_smbus_write_byte_data(i2c->client,
129 DBG("(W) i2c error %d\n", err);
140 static int tumbler_init_client(struct pmac_keywest *i2c)
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,
147 DBG("(I) tumbler init client\n");
148 return send_init_client(i2c, regs);
151 static int snapper_init_client(struct pmac_keywest *i2c)
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 */
162 DBG("(I) snapper init client\n");
163 return send_init_client(i2c, regs);
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 */
175 static void write_audio_gpio(struct pmac_gpio *gp, int active)
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);
184 static int check_audio_gpio(struct pmac_gpio *gp)
191 ret = do_gpio_read(gp);
193 return (ret & 0x1) == (gp->active_val & 0x1);
196 static int read_audio_gpio(struct pmac_gpio *gp)
201 ret = do_gpio_read(gp);
202 ret = (ret & 0x02) !=0;
203 return ret == gp->active_state;
207 * update master volume
209 static int tumbler_set_master_volume(struct pmac_tumbler *mix)
211 unsigned char block[6];
212 unsigned int left_vol, right_vol;
214 if (! mix->i2c.client)
217 if (! mix->master_switch[0])
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];
225 if (! mix->master_switch[1])
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];
234 block[0] = (left_vol >> 16) & 0xff;
235 block[1] = (left_vol >> 8) & 0xff;
236 block[2] = (left_vol >> 0) & 0xff;
238 block[3] = (right_vol >> 16) & 0xff;
239 block[4] = (right_vol >> 8) & 0xff;
240 block[5] = (right_vol >> 0) & 0xff;
242 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6,
244 snd_printk("failed to set volume \n");
252 static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol,
253 struct snd_ctl_elem_info *uinfo)
255 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
257 uinfo->value.integer.min = 0;
258 uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1;
262 static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol,
263 struct snd_ctl_elem_value *ucontrol)
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];
273 static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol,
274 struct snd_ctl_elem_value *ucontrol)
276 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
277 struct pmac_tumbler *mix = chip->mixer_data;
281 snd_assert(mix, return -ENODEV);
282 vol[0] = ucontrol->value.integer.value[0];
283 vol[1] = ucontrol->value.integer.value[1];
284 if (vol[0] >= ARRAY_SIZE(master_volume_table) ||
285 vol[1] >= ARRAY_SIZE(master_volume_table))
287 change = mix->master_vol[0] != vol[0] ||
288 mix->master_vol[1] != vol[1];
290 mix->master_vol[0] = vol[0];
291 mix->master_vol[1] = vol[1];
292 tumbler_set_master_volume(mix);
298 static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol,
299 struct snd_ctl_elem_value *ucontrol)
301 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
302 struct pmac_tumbler *mix = chip->mixer_data;
303 snd_assert(mix, return -ENODEV);
304 ucontrol->value.integer.value[0] = mix->master_switch[0];
305 ucontrol->value.integer.value[1] = mix->master_switch[1];
309 static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol,
310 struct snd_ctl_elem_value *ucontrol)
312 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
313 struct pmac_tumbler *mix = chip->mixer_data;
316 snd_assert(mix, return -ENODEV);
317 change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
318 mix->master_switch[1] != ucontrol->value.integer.value[1];
320 mix->master_switch[0] = !!ucontrol->value.integer.value[0];
321 mix->master_switch[1] = !!ucontrol->value.integer.value[1];
322 tumbler_set_master_volume(mix);
329 * TAS3001c dynamic range compression
332 #define TAS3001_DRC_MAX 0x5f
334 static int tumbler_set_drc(struct pmac_tumbler *mix)
336 unsigned char val[2];
338 if (! mix->i2c.client)
341 if (mix->drc_enable) {
342 val[0] = 0xc1; /* enable, 3:1 compression */
343 if (mix->drc_range > TAS3001_DRC_MAX)
345 else if (mix->drc_range < 0)
348 val[1] = mix->drc_range + 0x91;
354 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
356 snd_printk("failed to set DRC\n");
366 #define TAS3004_DRC_MAX 0xef
368 static int snapper_set_drc(struct pmac_tumbler *mix)
370 unsigned char val[6];
372 if (! mix->i2c.client)
376 val[0] = 0x50; /* 3:1 above threshold */
378 val[0] = 0x51; /* disabled */
379 val[1] = 0x02; /* 1:1 below threshold */
380 if (mix->drc_range > 0xef)
382 else if (mix->drc_range < 0)
385 val[2] = mix->drc_range;
390 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
392 snd_printk("failed to set DRC\n");
398 static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol,
399 struct snd_ctl_elem_info *uinfo)
401 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
402 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
404 uinfo->value.integer.min = 0;
405 uinfo->value.integer.max =
406 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
410 static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol,
411 struct snd_ctl_elem_value *ucontrol)
413 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
414 struct pmac_tumbler *mix;
415 if (! (mix = chip->mixer_data))
417 ucontrol->value.integer.value[0] = mix->drc_range;
421 static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol,
422 struct snd_ctl_elem_value *ucontrol)
424 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
425 struct pmac_tumbler *mix;
429 if (! (mix = chip->mixer_data))
431 val = ucontrol->value.integer.value[0];
432 if (chip->model == PMAC_TUMBLER) {
433 if (val > TAS3001_DRC_MAX)
436 if (val > TAS3004_DRC_MAX)
439 change = mix->drc_range != val;
441 mix->drc_range = val;
442 if (chip->model == PMAC_TUMBLER)
443 tumbler_set_drc(mix);
445 snapper_set_drc(mix);
450 static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol,
451 struct snd_ctl_elem_value *ucontrol)
453 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
454 struct pmac_tumbler *mix;
455 if (! (mix = chip->mixer_data))
457 ucontrol->value.integer.value[0] = mix->drc_enable;
461 static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol,
462 struct snd_ctl_elem_value *ucontrol)
464 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
465 struct pmac_tumbler *mix;
468 if (! (mix = chip->mixer_data))
470 change = mix->drc_enable != ucontrol->value.integer.value[0];
472 mix->drc_enable = !!ucontrol->value.integer.value[0];
473 if (chip->model == PMAC_TUMBLER)
474 tumbler_set_drc(mix);
476 snapper_set_drc(mix);
486 struct tumbler_mono_vol {
494 static int tumbler_set_mono_volume(struct pmac_tumbler *mix,
495 struct tumbler_mono_vol *info)
497 unsigned char block[4];
501 if (! mix->i2c.client)
504 vol = mix->mono_vol[info->index];
505 if (vol >= info->max)
507 vol = info->table[vol];
508 for (i = 0; i < info->bytes; i++)
509 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
510 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg,
511 info->bytes, block) < 0) {
512 snd_printk("failed to set mono volume %d\n", info->index);
518 static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
519 struct snd_ctl_elem_info *uinfo)
521 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
523 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
525 uinfo->value.integer.min = 0;
526 uinfo->value.integer.max = info->max - 1;
530 static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
531 struct snd_ctl_elem_value *ucontrol)
533 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
534 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
535 struct pmac_tumbler *mix;
536 if (! (mix = chip->mixer_data))
538 ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
542 static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
543 struct snd_ctl_elem_value *ucontrol)
545 struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
546 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
547 struct pmac_tumbler *mix;
551 if (! (mix = chip->mixer_data))
553 vol = ucontrol->value.integer.value[0];
554 if (vol >= info->max)
556 change = mix->mono_vol[info->index] != vol;
558 mix->mono_vol[info->index] = vol;
559 tumbler_set_mono_volume(mix, info);
564 /* TAS3001c mono volumes */
565 static struct tumbler_mono_vol tumbler_pcm_vol_info = {
566 .index = VOL_IDX_PCM_MONO,
569 .max = ARRAY_SIZE(mixer_volume_table),
570 .table = mixer_volume_table,
573 static struct tumbler_mono_vol tumbler_bass_vol_info = {
574 .index = VOL_IDX_BASS,
577 .max = ARRAY_SIZE(bass_volume_table),
578 .table = bass_volume_table,
581 static struct tumbler_mono_vol tumbler_treble_vol_info = {
582 .index = VOL_IDX_TREBLE,
583 .reg = TAS_REG_TREBLE,
585 .max = ARRAY_SIZE(treble_volume_table),
586 .table = treble_volume_table,
589 /* TAS3004 mono volumes */
590 static struct tumbler_mono_vol snapper_bass_vol_info = {
591 .index = VOL_IDX_BASS,
594 .max = ARRAY_SIZE(snapper_bass_volume_table),
595 .table = snapper_bass_volume_table,
598 static struct tumbler_mono_vol snapper_treble_vol_info = {
599 .index = VOL_IDX_TREBLE,
600 .reg = TAS_REG_TREBLE,
602 .max = ARRAY_SIZE(snapper_treble_volume_table),
603 .table = snapper_treble_volume_table,
607 #define DEFINE_MONO(xname,type) { \
608 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
610 .info = tumbler_info_mono, \
611 .get = tumbler_get_mono, \
612 .put = tumbler_put_mono, \
613 .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
616 #define DEFINE_SNAPPER_MONO(xname,type) { \
617 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
619 .info = tumbler_info_mono, \
620 .get = tumbler_get_mono, \
621 .put = tumbler_put_mono, \
622 .private_value = (unsigned long)(&snapper_##type##_vol_info), \
627 * snapper mixer volumes
630 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
633 unsigned char block[9];
635 vol = mix->mix_vol[idx][ch];
636 if (vol >= ARRAY_SIZE(mixer_volume_table)) {
637 vol = ARRAY_SIZE(mixer_volume_table) - 1;
638 mix->mix_vol[idx][ch] = vol;
641 for (i = 0; i < 3; i++) {
642 vol = mix->mix_vol[i][ch];
643 vol = mixer_volume_table[vol];
644 for (j = 0; j < 3; j++)
645 block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
647 if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
649 snd_printk("failed to set mono volume %d\n", reg);
655 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
657 if (! mix->i2c.client)
659 if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
660 snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
665 static int snapper_info_mix(struct snd_kcontrol *kcontrol,
666 struct snd_ctl_elem_info *uinfo)
668 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
670 uinfo->value.integer.min = 0;
671 uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
675 static int snapper_get_mix(struct snd_kcontrol *kcontrol,
676 struct snd_ctl_elem_value *ucontrol)
678 int idx = (int)kcontrol->private_value;
679 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
680 struct pmac_tumbler *mix;
681 if (! (mix = chip->mixer_data))
683 ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
684 ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
688 static int snapper_put_mix(struct snd_kcontrol *kcontrol,
689 struct snd_ctl_elem_value *ucontrol)
691 int idx = (int)kcontrol->private_value;
692 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
693 struct pmac_tumbler *mix;
697 if (! (mix = chip->mixer_data))
699 vol[0] = ucontrol->value.integer.value[0];
700 vol[1] = ucontrol->value.integer.value[1];
701 if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
702 vol[1] >= ARRAY_SIZE(mixer_volume_table))
704 change = mix->mix_vol[idx][0] != vol[0] ||
705 mix->mix_vol[idx][1] != vol[1];
707 mix->mix_vol[idx][0] = vol[0];
708 mix->mix_vol[idx][1] = vol[1];
709 snapper_set_mix_vol(mix, idx);
716 * mute switches. FIXME: Turn that into software mute when both outputs are muted
717 * to avoid codec reset on ibook M7
720 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
722 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
723 struct snd_ctl_elem_value *ucontrol)
725 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
726 struct pmac_tumbler *mix;
727 struct pmac_gpio *gp;
728 if (! (mix = chip->mixer_data))
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;
742 ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
746 static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
747 struct snd_ctl_elem_value *ucontrol)
749 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
750 struct pmac_tumbler *mix;
751 struct pmac_gpio *gp;
753 #ifdef PMAC_SUPPORT_AUTOMUTE
754 if (chip->update_automute && chip->auto_mute)
755 return 0; /* don't touch in the auto-mute mode */
757 if (! (mix = chip->mixer_data))
759 switch(kcontrol->private_value) {
760 case TUMBLER_MUTE_HP:
761 gp = &mix->hp_mute; break;
762 case TUMBLER_MUTE_AMP:
763 gp = &mix->amp_mute; break;
764 case TUMBLER_MUTE_LINE:
765 gp = &mix->line_mute; break;
771 val = ! check_audio_gpio(gp);
772 if (val != ucontrol->value.integer.value[0]) {
773 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
779 static int snapper_set_capture_source(struct pmac_tumbler *mix)
781 if (! mix->i2c.client)
783 if (mix->capture_source)
784 mix->acs = mix->acs |= 2;
787 return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
790 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
791 struct snd_ctl_elem_info *uinfo)
793 static char *texts[2] = {
796 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
798 uinfo->value.enumerated.items = 2;
799 if (uinfo->value.enumerated.item > 1)
800 uinfo->value.enumerated.item = 1;
801 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
805 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
806 struct snd_ctl_elem_value *ucontrol)
808 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
809 struct pmac_tumbler *mix = chip->mixer_data;
811 snd_assert(mix, return -ENODEV);
812 ucontrol->value.enumerated.item[0] = mix->capture_source;
816 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
817 struct snd_ctl_elem_value *ucontrol)
819 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
820 struct pmac_tumbler *mix = chip->mixer_data;
823 snd_assert(mix, return -ENODEV);
824 change = ucontrol->value.enumerated.item[0] != mix->capture_source;
826 mix->capture_source = !!ucontrol->value.enumerated.item[0];
827 snapper_set_capture_source(mix);
832 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
833 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
835 .info = snapper_info_mix, \
836 .get = snapper_get_mix, \
837 .put = snapper_put_mix, \
839 .private_value = ofs, \
845 static struct snd_kcontrol_new tumbler_mixers[] __initdata = {
846 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
847 .name = "Master Playback Volume",
848 .info = tumbler_info_master_volume,
849 .get = tumbler_get_master_volume,
850 .put = tumbler_put_master_volume
852 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
853 .name = "Master Playback Switch",
854 .info = snd_pmac_boolean_stereo_info,
855 .get = tumbler_get_master_switch,
856 .put = tumbler_put_master_switch
858 DEFINE_MONO("Tone Control - Bass", bass),
859 DEFINE_MONO("Tone Control - Treble", treble),
860 DEFINE_MONO("PCM Playback Volume", pcm),
861 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
863 .info = tumbler_info_drc_value,
864 .get = tumbler_get_drc_value,
865 .put = tumbler_put_drc_value
869 static struct snd_kcontrol_new snapper_mixers[] __initdata = {
870 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
871 .name = "Master Playback Volume",
872 .info = tumbler_info_master_volume,
873 .get = tumbler_get_master_volume,
874 .put = tumbler_put_master_volume
876 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
877 .name = "Master Playback Switch",
878 .info = snd_pmac_boolean_stereo_info,
879 .get = tumbler_get_master_switch,
880 .put = tumbler_put_master_switch
882 DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
883 DEFINE_SNAPPER_MIX("PCM Playback Volume", 1, VOL_IDX_PCM2),
884 DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
885 DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
886 DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
887 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
889 .info = tumbler_info_drc_value,
890 .get = tumbler_get_drc_value,
891 .put = tumbler_put_drc_value
893 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
894 .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
895 .info = snapper_info_capture_source,
896 .get = snapper_get_capture_source,
897 .put = snapper_put_capture_source
901 static struct snd_kcontrol_new tumbler_hp_sw __initdata = {
902 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
903 .name = "Headphone Playback Switch",
904 .info = snd_pmac_boolean_mono_info,
905 .get = tumbler_get_mute_switch,
906 .put = tumbler_put_mute_switch,
907 .private_value = TUMBLER_MUTE_HP,
909 static struct snd_kcontrol_new tumbler_speaker_sw __initdata = {
910 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
911 .name = "PC Speaker Playback Switch",
912 .info = snd_pmac_boolean_mono_info,
913 .get = tumbler_get_mute_switch,
914 .put = tumbler_put_mute_switch,
915 .private_value = TUMBLER_MUTE_AMP,
917 static struct snd_kcontrol_new tumbler_lineout_sw __initdata = {
918 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
919 .name = "Line Out Playback Switch",
920 .info = snd_pmac_boolean_mono_info,
921 .get = tumbler_get_mute_switch,
922 .put = tumbler_put_mute_switch,
923 .private_value = TUMBLER_MUTE_LINE,
925 static struct snd_kcontrol_new tumbler_drc_sw __initdata = {
926 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
927 .name = "DRC Switch",
928 .info = snd_pmac_boolean_mono_info,
929 .get = tumbler_get_drc_switch,
930 .put = tumbler_put_drc_switch
934 #ifdef PMAC_SUPPORT_AUTOMUTE
938 static int tumbler_detect_headphone(struct snd_pmac *chip)
940 struct pmac_tumbler *mix = chip->mixer_data;
943 if (mix->hp_detect.addr)
944 detect |= read_audio_gpio(&mix->hp_detect);
948 static int tumbler_detect_lineout(struct snd_pmac *chip)
950 struct pmac_tumbler *mix = chip->mixer_data;
953 if (mix->line_detect.addr)
954 detect |= read_audio_gpio(&mix->line_detect);
958 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
959 struct snd_kcontrol *sw)
961 if (check_audio_gpio(gp) != val) {
962 write_audio_gpio(gp, val);
964 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
969 static struct work_struct device_change;
970 static struct snd_pmac *device_change_chip;
972 static void device_change_handler(struct work_struct *work)
974 struct snd_pmac *chip = device_change_chip;
975 struct pmac_tumbler *mix;
976 int headphone, lineout;
981 mix = chip->mixer_data;
982 snd_assert(mix, return);
984 headphone = tumbler_detect_headphone(chip);
985 lineout = tumbler_detect_lineout(chip);
987 DBG("headphone: %d, lineout: %d\n", headphone, lineout);
989 if (headphone || lineout) {
990 /* unmute headphone/lineout & mute speaker */
992 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
993 chip->master_sw_ctl);
994 if (lineout && mix->line_mute.addr != 0)
995 check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
996 chip->lineout_sw_ctl);
997 if (mix->anded_reset)
999 check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify,
1000 chip->speaker_sw_ctl);
1002 /* unmute speaker, mute others */
1003 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
1004 chip->speaker_sw_ctl);
1005 if (mix->anded_reset)
1007 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
1008 chip->master_sw_ctl);
1009 if (mix->line_mute.addr != 0)
1010 check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
1011 chip->lineout_sw_ctl);
1013 if (mix->auto_mute_notify)
1014 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1015 &chip->hp_detect_ctl->id);
1017 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1018 mix->drc_enable = ! (headphone || lineout);
1019 if (mix->auto_mute_notify)
1020 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1021 &chip->drc_sw_ctl->id);
1022 if (chip->model == PMAC_TUMBLER)
1023 tumbler_set_drc(mix);
1025 snapper_set_drc(mix);
1028 /* reset the master volume so the correct amplification is applied */
1029 tumbler_set_master_volume(mix);
1032 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1034 if (chip->auto_mute) {
1035 struct pmac_tumbler *mix;
1036 mix = chip->mixer_data;
1037 snd_assert(mix, return);
1038 mix->auto_mute_notify = do_notify;
1039 schedule_work(&device_change);
1042 #endif /* PMAC_SUPPORT_AUTOMUTE */
1045 /* interrupt - headphone plug changed */
1046 static irqreturn_t headphone_intr(int irq, void *devid)
1048 struct snd_pmac *chip = devid;
1049 if (chip->update_automute && chip->initialized) {
1050 chip->update_automute(chip, 1);
1056 /* look for audio-gpio device */
1057 static struct device_node *find_audio_device(const char *name)
1059 struct device_node *gpiop;
1060 struct device_node *np;
1062 gpiop = of_find_node_by_name(NULL, "gpio");
1066 for (np = of_get_next_child(gpiop, NULL); np;
1067 np = of_get_next_child(gpiop, np)) {
1068 const char *property = of_get_property(np, "audio-gpio", NULL);
1069 if (property && strcmp(property, name) == 0)
1076 /* look for audio-gpio device */
1077 static struct device_node *find_compatible_audio_device(const char *name)
1079 struct device_node *gpiop;
1080 struct device_node *np;
1082 gpiop = of_find_node_by_name(NULL, "gpio");
1086 for (np = of_get_next_child(gpiop, NULL); np;
1087 np = of_get_next_child(gpiop, np)) {
1088 if (of_device_is_compatible(np, name))
1095 /* find an audio device and get its address */
1096 static long tumbler_find_device(const char *device, const char *platform,
1097 struct pmac_gpio *gp, int is_compatible)
1099 struct device_node *node;
1105 node = find_compatible_audio_device(device);
1107 node = find_audio_device(device);
1109 DBG("(W) cannot find audio device %s !\n", device);
1110 snd_printdd("cannot find device %s\n", device);
1114 base = of_get_property(node, "AAPL,address", NULL);
1116 base = of_get_property(node, "reg", NULL);
1118 DBG("(E) cannot find address for device %s !\n", device);
1119 snd_printd("cannot find address for device %s\n", device);
1129 gp->addr = addr & 0x0000ffff;
1130 /* Try to find the active state, default to 0 ! */
1131 base = of_get_property(node, "audio-gpio-active-state", NULL);
1133 gp->active_state = *base;
1134 gp->active_val = (*base) ? 0x5 : 0x4;
1135 gp->inactive_val = (*base) ? 0x4 : 0x5;
1137 const u32 *prop = NULL;
1138 gp->active_state = 0;
1139 gp->active_val = 0x4;
1140 gp->inactive_val = 0x5;
1141 /* Here are some crude hacks to extract the GPIO polarity and
1142 * open collector informations out of the do-platform script
1143 * as we don't yet have an interpreter for these things
1146 prop = of_get_property(node, platform, NULL);
1148 if (prop[3] == 0x9 && prop[4] == 0x9) {
1149 gp->active_val = 0xd;
1150 gp->inactive_val = 0xc;
1152 if (prop[3] == 0x1 && prop[4] == 0x1) {
1153 gp->active_val = 0x5;
1154 gp->inactive_val = 0x4;
1159 DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
1160 device, gp->addr, gp->active_state);
1162 ret = irq_of_parse_and_map(node, 0);
1168 static void tumbler_reset_audio(struct snd_pmac *chip)
1170 struct pmac_tumbler *mix = chip->mixer_data;
1172 if (mix->anded_reset) {
1173 DBG("(I) codec anded reset !\n");
1174 write_audio_gpio(&mix->hp_mute, 0);
1175 write_audio_gpio(&mix->amp_mute, 0);
1177 write_audio_gpio(&mix->hp_mute, 1);
1178 write_audio_gpio(&mix->amp_mute, 1);
1180 write_audio_gpio(&mix->hp_mute, 0);
1181 write_audio_gpio(&mix->amp_mute, 0);
1184 DBG("(I) codec normal reset !\n");
1186 write_audio_gpio(&mix->audio_reset, 0);
1188 write_audio_gpio(&mix->audio_reset, 1);
1190 write_audio_gpio(&mix->audio_reset, 0);
1197 static void tumbler_suspend(struct snd_pmac *chip)
1199 struct pmac_tumbler *mix = chip->mixer_data;
1201 if (mix->headphone_irq >= 0)
1202 disable_irq(mix->headphone_irq);
1203 if (mix->lineout_irq >= 0)
1204 disable_irq(mix->lineout_irq);
1205 mix->save_master_switch[0] = mix->master_switch[0];
1206 mix->save_master_switch[1] = mix->master_switch[1];
1207 mix->save_master_vol[0] = mix->master_vol[0];
1208 mix->save_master_vol[1] = mix->master_vol[1];
1209 mix->master_switch[0] = mix->master_switch[1] = 0;
1210 tumbler_set_master_volume(mix);
1211 if (!mix->anded_reset) {
1212 write_audio_gpio(&mix->amp_mute, 1);
1213 write_audio_gpio(&mix->hp_mute, 1);
1215 if (chip->model == PMAC_SNAPPER) {
1217 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1219 if (mix->anded_reset) {
1220 write_audio_gpio(&mix->amp_mute, 1);
1221 write_audio_gpio(&mix->hp_mute, 1);
1223 write_audio_gpio(&mix->audio_reset, 1);
1227 static void tumbler_resume(struct snd_pmac *chip)
1229 struct pmac_tumbler *mix = chip->mixer_data;
1231 snd_assert(mix, return);
1234 mix->master_switch[0] = mix->save_master_switch[0];
1235 mix->master_switch[1] = mix->save_master_switch[1];
1236 mix->master_vol[0] = mix->save_master_vol[0];
1237 mix->master_vol[1] = mix->save_master_vol[1];
1238 tumbler_reset_audio(chip);
1239 if (mix->i2c.client && mix->i2c.init_client) {
1240 if (mix->i2c.init_client(&mix->i2c) < 0)
1241 printk(KERN_ERR "tumbler_init_client error\n");
1243 printk(KERN_ERR "tumbler: i2c is not initialized\n");
1244 if (chip->model == PMAC_TUMBLER) {
1245 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1246 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1247 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1248 tumbler_set_drc(mix);
1250 snapper_set_mix_vol(mix, VOL_IDX_PCM);
1251 snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1252 snapper_set_mix_vol(mix, VOL_IDX_ADC);
1253 tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1254 tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1255 snapper_set_drc(mix);
1256 snapper_set_capture_source(mix);
1258 tumbler_set_master_volume(mix);
1259 if (chip->update_automute)
1260 chip->update_automute(chip, 0);
1261 if (mix->headphone_irq >= 0) {
1264 enable_irq(mix->headphone_irq);
1265 /* activate headphone status interrupts */
1266 val = do_gpio_read(&mix->hp_detect);
1267 do_gpio_write(&mix->hp_detect, val | 0x80);
1269 if (mix->lineout_irq >= 0)
1270 enable_irq(mix->lineout_irq);
1274 /* initialize tumbler */
1275 static int __init tumbler_init(struct snd_pmac *chip)
1278 struct pmac_tumbler *mix = chip->mixer_data;
1279 snd_assert(mix, return -EINVAL);
1281 if (tumbler_find_device("audio-hw-reset",
1282 "platform-do-hw-reset",
1283 &mix->audio_reset, 0) < 0)
1284 tumbler_find_device("hw-reset",
1285 "platform-do-hw-reset",
1286 &mix->audio_reset, 1);
1287 if (tumbler_find_device("amp-mute",
1288 "platform-do-amp-mute",
1289 &mix->amp_mute, 0) < 0)
1290 tumbler_find_device("amp-mute",
1291 "platform-do-amp-mute",
1293 if (tumbler_find_device("headphone-mute",
1294 "platform-do-headphone-mute",
1295 &mix->hp_mute, 0) < 0)
1296 tumbler_find_device("headphone-mute",
1297 "platform-do-headphone-mute",
1299 if (tumbler_find_device("line-output-mute",
1300 "platform-do-lineout-mute",
1301 &mix->line_mute, 0) < 0)
1302 tumbler_find_device("line-output-mute",
1303 "platform-do-lineout-mute",
1304 &mix->line_mute, 1);
1305 irq = tumbler_find_device("headphone-detect",
1306 NULL, &mix->hp_detect, 0);
1308 irq = tumbler_find_device("headphone-detect",
1309 NULL, &mix->hp_detect, 1);
1311 irq = tumbler_find_device("keywest-gpio15",
1312 NULL, &mix->hp_detect, 1);
1313 mix->headphone_irq = irq;
1314 irq = tumbler_find_device("line-output-detect",
1315 NULL, &mix->line_detect, 0);
1317 irq = tumbler_find_device("line-output-detect",
1318 NULL, &mix->line_detect, 1);
1319 mix->lineout_irq = irq;
1321 tumbler_reset_audio(chip);
1326 static void tumbler_cleanup(struct snd_pmac *chip)
1328 struct pmac_tumbler *mix = chip->mixer_data;
1332 if (mix->headphone_irq >= 0)
1333 free_irq(mix->headphone_irq, chip);
1334 if (mix->lineout_irq >= 0)
1335 free_irq(mix->lineout_irq, chip);
1336 tumbler_gpio_free(&mix->audio_reset);
1337 tumbler_gpio_free(&mix->amp_mute);
1338 tumbler_gpio_free(&mix->hp_mute);
1339 tumbler_gpio_free(&mix->hp_detect);
1340 snd_pmac_keywest_cleanup(&mix->i2c);
1342 chip->mixer_data = NULL;
1346 int __init snd_pmac_tumbler_init(struct snd_pmac *chip)
1349 struct pmac_tumbler *mix;
1351 struct device_node *tas_node, *np;
1355 if (current->fs->root)
1356 request_module("i2c-powermac");
1357 #endif /* CONFIG_KMOD */
1359 mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1362 mix->headphone_irq = -1;
1364 chip->mixer_data = mix;
1365 chip->mixer_free = tumbler_cleanup;
1366 mix->anded_reset = 0;
1367 mix->reset_on_sleep = 1;
1369 for (np = chip->node->child; np; np = np->sibling) {
1370 if (!strcmp(np->name, "sound")) {
1371 if (of_get_property(np, "has-anded-reset", NULL))
1372 mix->anded_reset = 1;
1373 if (of_get_property(np, "layout-id", NULL))
1374 mix->reset_on_sleep = 0;
1378 if ((err = tumbler_init(chip)) < 0)
1382 tas_node = of_find_node_by_name(NULL, "deq");
1383 if (tas_node == NULL)
1384 tas_node = of_find_node_by_name(NULL, "codec");
1385 if (tas_node == NULL)
1388 paddr = of_get_property(tas_node, "i2c-address", NULL);
1390 paddr = of_get_property(tas_node, "reg", NULL);
1392 mix->i2c.addr = (*paddr) >> 1;
1394 mix->i2c.addr = TAS_I2C_ADDR;
1395 of_node_put(tas_node);
1397 DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1399 if (chip->model == PMAC_TUMBLER) {
1400 mix->i2c.init_client = tumbler_init_client;
1401 mix->i2c.name = "TAS3001c";
1402 chipname = "Tumbler";
1404 mix->i2c.init_client = snapper_init_client;
1405 mix->i2c.name = "TAS3004";
1406 chipname = "Snapper";
1409 if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
1415 sprintf(chip->card->mixername, "PowerMac %s", chipname);
1417 if (chip->model == PMAC_TUMBLER) {
1418 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1419 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
1423 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1424 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
1428 chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1429 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
1431 chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1432 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
1434 if (mix->line_mute.addr != 0) {
1435 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1436 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0)
1439 chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1440 if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
1443 /* set initial DRC range to 60% */
1444 if (chip->model == PMAC_TUMBLER)
1445 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1447 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1448 mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1449 if (chip->model == PMAC_TUMBLER)
1450 tumbler_set_drc(mix);
1452 snapper_set_drc(mix);
1455 chip->suspend = tumbler_suspend;
1456 chip->resume = tumbler_resume;
1459 INIT_WORK(&device_change, device_change_handler);
1460 device_change_chip = chip;
1462 #ifdef PMAC_SUPPORT_AUTOMUTE
1463 if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0)
1464 && (err = snd_pmac_add_automute(chip)) < 0)
1466 chip->detect_headphone = tumbler_detect_headphone;
1467 chip->update_automute = tumbler_update_automute;
1468 tumbler_update_automute(chip, 0); /* update the status only */
1470 /* activate headphone status interrupts */
1471 if (mix->headphone_irq >= 0) {
1473 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0,
1474 "Sound Headphone Detection", chip)) < 0)
1476 /* activate headphone status interrupts */
1477 val = do_gpio_read(&mix->hp_detect);
1478 do_gpio_write(&mix->hp_detect, val | 0x80);
1480 if (mix->lineout_irq >= 0) {
1482 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0,
1483 "Sound Lineout Detection", chip)) < 0)
1485 /* activate headphone status interrupts */
1486 val = do_gpio_read(&mix->line_detect);
1487 do_gpio_write(&mix->line_detect, val | 0x80);