diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/ppc/tumbler.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/ppc/tumbler.c | 1495 |
1 files changed, 0 insertions, 1495 deletions
diff --git a/ANDROID_3.4.5/sound/ppc/tumbler.c b/ANDROID_3.4.5/sound/ppc/tumbler.c deleted file mode 100644 index 9cea84c3..00000000 --- a/ANDROID_3.4.5/sound/ppc/tumbler.c +++ /dev/null @@ -1,1495 +0,0 @@ -/* - * PMac Tumbler/Snapper lowlevel functions - * - * Copyright (c) by Takashi Iwai <tiwai@suse.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Rene Rebe <rene.rebe@gmx.net>: - * * update from shadow registers on wakeup and headphone plug - * * automatically toggle DRC on headphone plug - * - */ - - -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/i2c.h> -#include <linux/kmod.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/string.h> -#include <sound/core.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/machdep.h> -#include <asm/pmac_feature.h> -#include "pmac.h" -#include "tumbler_volume.h" - -#undef DEBUG - -#ifdef DEBUG -#define DBG(fmt...) printk(KERN_DEBUG fmt) -#else -#define DBG(fmt...) -#endif - -#define IS_G4DA (of_machine_is_compatible("PowerMac3,4")) - -/* i2c address for tumbler */ -#define TAS_I2C_ADDR 0x34 - -/* registers */ -#define TAS_REG_MCS 0x01 /* main control */ -#define TAS_REG_DRC 0x02 -#define TAS_REG_VOL 0x04 -#define TAS_REG_TREBLE 0x05 -#define TAS_REG_BASS 0x06 -#define TAS_REG_INPUT1 0x07 -#define TAS_REG_INPUT2 0x08 - -/* tas3001c */ -#define TAS_REG_PCM TAS_REG_INPUT1 - -/* tas3004 */ -#define TAS_REG_LMIX TAS_REG_INPUT1 -#define TAS_REG_RMIX TAS_REG_INPUT2 -#define TAS_REG_MCS2 0x43 /* main control 2 */ -#define TAS_REG_ACS 0x40 /* analog control */ - -/* mono volumes for tas3001c/tas3004 */ -enum { - VOL_IDX_PCM_MONO, /* tas3001c only */ - VOL_IDX_BASS, VOL_IDX_TREBLE, - VOL_IDX_LAST_MONO -}; - -/* stereo volumes for tas3004 */ -enum { - VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC, - VOL_IDX_LAST_MIX -}; - -struct pmac_gpio { - unsigned int addr; - u8 active_val; - u8 inactive_val; - u8 active_state; -}; - -struct pmac_tumbler { - struct pmac_keywest i2c; - struct pmac_gpio audio_reset; - struct pmac_gpio amp_mute; - struct pmac_gpio line_mute; - struct pmac_gpio line_detect; - struct pmac_gpio hp_mute; - struct pmac_gpio hp_detect; - int headphone_irq; - int lineout_irq; - unsigned int save_master_vol[2]; - unsigned int master_vol[2]; - unsigned int save_master_switch[2]; - unsigned int master_switch[2]; - unsigned int mono_vol[VOL_IDX_LAST_MONO]; - unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */ - int drc_range; - int drc_enable; - int capture_source; - int anded_reset; - int auto_mute_notify; - int reset_on_sleep; - u8 acs; -}; - - -/* - */ - -static int send_init_client(struct pmac_keywest *i2c, unsigned int *regs) -{ - while (*regs > 0) { - int err, count = 10; - do { - err = i2c_smbus_write_byte_data(i2c->client, - regs[0], regs[1]); - if (err >= 0) - break; - DBG("(W) i2c error %d\n", err); - mdelay(10); - } while (count--); - if (err < 0) - return -ENXIO; - regs += 2; - } - return 0; -} - - -static int tumbler_init_client(struct pmac_keywest *i2c) -{ - static unsigned int regs[] = { - /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */ - TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0, - 0, /* terminator */ - }; - DBG("(I) tumbler init client\n"); - return send_init_client(i2c, regs); -} - -static int snapper_init_client(struct pmac_keywest *i2c) -{ - static unsigned int regs[] = { - /* normal operation, SCLK=64fps, i2s output, 16bit width */ - TAS_REG_MCS, (1<<6)|(2<<4)|0, - /* normal operation, all-pass mode */ - TAS_REG_MCS2, (1<<1), - /* normal output, no deemphasis, A input, power-up, line-in */ - TAS_REG_ACS, 0, - 0, /* terminator */ - }; - DBG("(I) snapper init client\n"); - return send_init_client(i2c, regs); -} - -/* - * gpio access - */ -#define do_gpio_write(gp, val) \ - pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val) -#define do_gpio_read(gp) \ - pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0) -#define tumbler_gpio_free(gp) /* NOP */ - -static void write_audio_gpio(struct pmac_gpio *gp, int active) -{ - if (! gp->addr) - return; - active = active ? gp->active_val : gp->inactive_val; - do_gpio_write(gp, active); - DBG("(I) gpio %x write %d\n", gp->addr, active); -} - -static int check_audio_gpio(struct pmac_gpio *gp) -{ - int ret; - - if (! gp->addr) - return 0; - - ret = do_gpio_read(gp); - - return (ret & 0x1) == (gp->active_val & 0x1); -} - -static int read_audio_gpio(struct pmac_gpio *gp) -{ - int ret; - if (! gp->addr) - return 0; - ret = do_gpio_read(gp); - ret = (ret & 0x02) !=0; - return ret == gp->active_state; -} - -/* - * update master volume - */ -static int tumbler_set_master_volume(struct pmac_tumbler *mix) -{ - unsigned char block[6]; - unsigned int left_vol, right_vol; - - if (! mix->i2c.client) - return -ENODEV; - - if (! mix->master_switch[0]) - left_vol = 0; - else { - left_vol = mix->master_vol[0]; - if (left_vol >= ARRAY_SIZE(master_volume_table)) - left_vol = ARRAY_SIZE(master_volume_table) - 1; - left_vol = master_volume_table[left_vol]; - } - if (! mix->master_switch[1]) - right_vol = 0; - else { - right_vol = mix->master_vol[1]; - if (right_vol >= ARRAY_SIZE(master_volume_table)) - right_vol = ARRAY_SIZE(master_volume_table) - 1; - right_vol = master_volume_table[right_vol]; - } - - block[0] = (left_vol >> 16) & 0xff; - block[1] = (left_vol >> 8) & 0xff; - block[2] = (left_vol >> 0) & 0xff; - - block[3] = (right_vol >> 16) & 0xff; - block[4] = (right_vol >> 8) & 0xff; - block[5] = (right_vol >> 0) & 0xff; - - if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6, - block) < 0) { - snd_printk(KERN_ERR "failed to set volume \n"); - return -EINVAL; - } - DBG("(I) succeeded to set volume (%u, %u)\n", left_vol, right_vol); - return 0; -} - - -/* output volume */ -static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->count = 2; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1; - return 0; -} - -static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_tumbler *mix = chip->mixer_data; - - ucontrol->value.integer.value[0] = mix->master_vol[0]; - ucontrol->value.integer.value[1] = mix->master_vol[1]; - return 0; -} - -static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_tumbler *mix = chip->mixer_data; - unsigned int vol[2]; - int change; - - vol[0] = ucontrol->value.integer.value[0]; - vol[1] = ucontrol->value.integer.value[1]; - if (vol[0] >= ARRAY_SIZE(master_volume_table) || - vol[1] >= ARRAY_SIZE(master_volume_table)) - return -EINVAL; - change = mix->master_vol[0] != vol[0] || - mix->master_vol[1] != vol[1]; - if (change) { - mix->master_vol[0] = vol[0]; - mix->master_vol[1] = vol[1]; - tumbler_set_master_volume(mix); - } - return change; -} - -/* output switch */ -static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_tumbler *mix = chip->mixer_data; - - ucontrol->value.integer.value[0] = mix->master_switch[0]; - ucontrol->value.integer.value[1] = mix->master_switch[1]; - return 0; -} - -static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_tumbler *mix = chip->mixer_data; - int change; - - change = mix->master_switch[0] != ucontrol->value.integer.value[0] || - mix->master_switch[1] != ucontrol->value.integer.value[1]; - if (change) { - mix->master_switch[0] = !!ucontrol->value.integer.value[0]; - mix->master_switch[1] = !!ucontrol->value.integer.value[1]; - tumbler_set_master_volume(mix); - } - return change; -} - - -/* - * TAS3001c dynamic range compression - */ - -#define TAS3001_DRC_MAX 0x5f - -static int tumbler_set_drc(struct pmac_tumbler *mix) -{ - unsigned char val[2]; - - if (! mix->i2c.client) - return -ENODEV; - - if (mix->drc_enable) { - val[0] = 0xc1; /* enable, 3:1 compression */ - if (mix->drc_range > TAS3001_DRC_MAX) - val[1] = 0xf0; - else if (mix->drc_range < 0) - val[1] = 0x91; - else - val[1] = mix->drc_range + 0x91; - } else { - val[0] = 0; - val[1] = 0; - } - - if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC, - 2, val) < 0) { - snd_printk(KERN_ERR "failed to set DRC\n"); - return -EINVAL; - } - DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]); - return 0; -} - -/* - * TAS3004 - */ - -#define TAS3004_DRC_MAX 0xef - -static int snapper_set_drc(struct pmac_tumbler *mix) -{ - unsigned char val[6]; - - if (! mix->i2c.client) - return -ENODEV; - - if (mix->drc_enable) - val[0] = 0x50; /* 3:1 above threshold */ - else - val[0] = 0x51; /* disabled */ - val[1] = 0x02; /* 1:1 below threshold */ - if (mix->drc_range > 0xef) - val[2] = 0xef; - else if (mix->drc_range < 0) - val[2] = 0x00; - else - val[2] = mix->drc_range; - val[3] = 0xb0; - val[4] = 0x60; - val[5] = 0xa0; - - if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC, - 6, val) < 0) { - snd_printk(KERN_ERR "failed to set DRC\n"); - return -EINVAL; - } - DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]); - return 0; -} - -static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->count = 1; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = - chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX; - return 0; -} - -static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_tumbler *mix; - if (! (mix = chip->mixer_data)) - return -ENODEV; - ucontrol->value.integer.value[0] = mix->drc_range; - return 0; -} - -static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_tumbler *mix; - unsigned int val; - int change; - - if (! (mix = chip->mixer_data)) - return -ENODEV; - val = ucontrol->value.integer.value[0]; - if (chip->model == PMAC_TUMBLER) { - if (val > TAS3001_DRC_MAX) - return -EINVAL; - } else { - if (val > TAS3004_DRC_MAX) - return -EINVAL; - } - change = mix->drc_range != val; - if (change) { - mix->drc_range = val; - if (chip->model == PMAC_TUMBLER) - tumbler_set_drc(mix); - else - snapper_set_drc(mix); - } - return change; -} - -static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_tumbler *mix; - if (! (mix = chip->mixer_data)) - return -ENODEV; - ucontrol->value.integer.value[0] = mix->drc_enable; - return 0; -} - -static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_tumbler *mix; - int change; - - if (! (mix = chip->mixer_data)) - return -ENODEV; - change = mix->drc_enable != ucontrol->value.integer.value[0]; - if (change) { - mix->drc_enable = !!ucontrol->value.integer.value[0]; - if (chip->model == PMAC_TUMBLER) - tumbler_set_drc(mix); - else - snapper_set_drc(mix); - } - return change; -} - - -/* - * mono volumes - */ - -struct tumbler_mono_vol { - int index; - int reg; - int bytes; - unsigned int max; - unsigned int *table; -}; - -static int tumbler_set_mono_volume(struct pmac_tumbler *mix, - struct tumbler_mono_vol *info) -{ - unsigned char block[4]; - unsigned int vol; - int i; - - if (! mix->i2c.client) - return -ENODEV; - - vol = mix->mono_vol[info->index]; - if (vol >= info->max) - vol = info->max - 1; - vol = info->table[vol]; - for (i = 0; i < info->bytes; i++) - block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff; - if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg, - info->bytes, block) < 0) { - snd_printk(KERN_ERR "failed to set mono volume %d\n", - info->index); - return -EINVAL; - } - return 0; -} - -static int tumbler_info_mono(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; - - uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->count = 1; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = info->max - 1; - return 0; -} - -static int tumbler_get_mono(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_tumbler *mix; - if (! (mix = chip->mixer_data)) - return -ENODEV; - ucontrol->value.integer.value[0] = mix->mono_vol[info->index]; - return 0; -} - -static int tumbler_put_mono(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value; - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_tumbler *mix; - unsigned int vol; - int change; - - if (! (mix = chip->mixer_data)) - return -ENODEV; - vol = ucontrol->value.integer.value[0]; - if (vol >= info->max) - return -EINVAL; - change = mix->mono_vol[info->index] != vol; - if (change) { - mix->mono_vol[info->index] = vol; - tumbler_set_mono_volume(mix, info); - } - return change; -} - -/* TAS3001c mono volumes */ -static struct tumbler_mono_vol tumbler_pcm_vol_info = { - .index = VOL_IDX_PCM_MONO, - .reg = TAS_REG_PCM, - .bytes = 3, - .max = ARRAY_SIZE(mixer_volume_table), - .table = mixer_volume_table, -}; - -static struct tumbler_mono_vol tumbler_bass_vol_info = { - .index = VOL_IDX_BASS, - .reg = TAS_REG_BASS, - .bytes = 1, - .max = ARRAY_SIZE(bass_volume_table), - .table = bass_volume_table, -}; - -static struct tumbler_mono_vol tumbler_treble_vol_info = { - .index = VOL_IDX_TREBLE, - .reg = TAS_REG_TREBLE, - .bytes = 1, - .max = ARRAY_SIZE(treble_volume_table), - .table = treble_volume_table, -}; - -/* TAS3004 mono volumes */ -static struct tumbler_mono_vol snapper_bass_vol_info = { - .index = VOL_IDX_BASS, - .reg = TAS_REG_BASS, - .bytes = 1, - .max = ARRAY_SIZE(snapper_bass_volume_table), - .table = snapper_bass_volume_table, -}; - -static struct tumbler_mono_vol snapper_treble_vol_info = { - .index = VOL_IDX_TREBLE, - .reg = TAS_REG_TREBLE, - .bytes = 1, - .max = ARRAY_SIZE(snapper_treble_volume_table), - .table = snapper_treble_volume_table, -}; - - -#define DEFINE_MONO(xname,type) { \ - .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ - .name = xname, \ - .info = tumbler_info_mono, \ - .get = tumbler_get_mono, \ - .put = tumbler_put_mono, \ - .private_value = (unsigned long)(&tumbler_##type##_vol_info), \ -} - -#define DEFINE_SNAPPER_MONO(xname,type) { \ - .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ - .name = xname, \ - .info = tumbler_info_mono, \ - .get = tumbler_get_mono, \ - .put = tumbler_put_mono, \ - .private_value = (unsigned long)(&snapper_##type##_vol_info), \ -} - - -/* - * snapper mixer volumes - */ - -static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg) -{ - int i, j, vol; - unsigned char block[9]; - - vol = mix->mix_vol[idx][ch]; - if (vol >= ARRAY_SIZE(mixer_volume_table)) { - vol = ARRAY_SIZE(mixer_volume_table) - 1; - mix->mix_vol[idx][ch] = vol; - } - - for (i = 0; i < 3; i++) { - vol = mix->mix_vol[i][ch]; - vol = mixer_volume_table[vol]; - for (j = 0; j < 3; j++) - block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff; - } - if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg, - 9, block) < 0) { - snd_printk(KERN_ERR "failed to set mono volume %d\n", reg); - return -EINVAL; - } - return 0; -} - -static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx) -{ - if (! mix->i2c.client) - return -ENODEV; - if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 || - snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0) - return -EINVAL; - return 0; -} - -static int snapper_info_mix(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->count = 2; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1; - return 0; -} - -static int snapper_get_mix(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - int idx = (int)kcontrol->private_value; - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_tumbler *mix; - if (! (mix = chip->mixer_data)) - return -ENODEV; - ucontrol->value.integer.value[0] = mix->mix_vol[idx][0]; - ucontrol->value.integer.value[1] = mix->mix_vol[idx][1]; - return 0; -} - -static int snapper_put_mix(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - int idx = (int)kcontrol->private_value; - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_tumbler *mix; - unsigned int vol[2]; - int change; - - if (! (mix = chip->mixer_data)) - return -ENODEV; - vol[0] = ucontrol->value.integer.value[0]; - vol[1] = ucontrol->value.integer.value[1]; - if (vol[0] >= ARRAY_SIZE(mixer_volume_table) || - vol[1] >= ARRAY_SIZE(mixer_volume_table)) - return -EINVAL; - change = mix->mix_vol[idx][0] != vol[0] || - mix->mix_vol[idx][1] != vol[1]; - if (change) { - mix->mix_vol[idx][0] = vol[0]; - mix->mix_vol[idx][1] = vol[1]; - snapper_set_mix_vol(mix, idx); - } - return change; -} - - -/* - * mute switches. FIXME: Turn that into software mute when both outputs are muted - * to avoid codec reset on ibook M7 - */ - -enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE }; - -static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_tumbler *mix; - struct pmac_gpio *gp; - if (! (mix = chip->mixer_data)) - return -ENODEV; - switch(kcontrol->private_value) { - case TUMBLER_MUTE_HP: - gp = &mix->hp_mute; break; - case TUMBLER_MUTE_AMP: - gp = &mix->amp_mute; break; - case TUMBLER_MUTE_LINE: - gp = &mix->line_mute; break; - default: - gp = NULL; - } - if (gp == NULL) - return -EINVAL; - ucontrol->value.integer.value[0] = !check_audio_gpio(gp); - return 0; -} - -static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_tumbler *mix; - struct pmac_gpio *gp; - int val; -#ifdef PMAC_SUPPORT_AUTOMUTE - if (chip->update_automute && chip->auto_mute) - return 0; /* don't touch in the auto-mute mode */ -#endif - if (! (mix = chip->mixer_data)) - return -ENODEV; - switch(kcontrol->private_value) { - case TUMBLER_MUTE_HP: - gp = &mix->hp_mute; break; - case TUMBLER_MUTE_AMP: - gp = &mix->amp_mute; break; - case TUMBLER_MUTE_LINE: - gp = &mix->line_mute; break; - default: - gp = NULL; - } - if (gp == NULL) - return -EINVAL; - val = ! check_audio_gpio(gp); - if (val != ucontrol->value.integer.value[0]) { - write_audio_gpio(gp, ! ucontrol->value.integer.value[0]); - return 1; - } - return 0; -} - -static int snapper_set_capture_source(struct pmac_tumbler *mix) -{ - if (! mix->i2c.client) - return -ENODEV; - if (mix->capture_source) - mix->acs |= 2; - else - mix->acs &= ~2; - return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); -} - -static int snapper_info_capture_source(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - static char *texts[2] = { - "Line", "Mic" - }; - uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; - uinfo->count = 1; - uinfo->value.enumerated.items = 2; - if (uinfo->value.enumerated.item > 1) - uinfo->value.enumerated.item = 1; - strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); - return 0; -} - -static int snapper_get_capture_source(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_tumbler *mix = chip->mixer_data; - - ucontrol->value.enumerated.item[0] = mix->capture_source; - return 0; -} - -static int snapper_put_capture_source(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_tumbler *mix = chip->mixer_data; - int change; - - change = ucontrol->value.enumerated.item[0] != mix->capture_source; - if (change) { - mix->capture_source = !!ucontrol->value.enumerated.item[0]; - snapper_set_capture_source(mix); - } - return change; -} - -#define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \ - .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ - .name = xname, \ - .info = snapper_info_mix, \ - .get = snapper_get_mix, \ - .put = snapper_put_mix, \ - .index = idx,\ - .private_value = ofs, \ -} - - -/* - */ -static struct snd_kcontrol_new tumbler_mixers[] __devinitdata = { - { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Master Playback Volume", - .info = tumbler_info_master_volume, - .get = tumbler_get_master_volume, - .put = tumbler_put_master_volume - }, - { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Master Playback Switch", - .info = snd_pmac_boolean_stereo_info, - .get = tumbler_get_master_switch, - .put = tumbler_put_master_switch - }, - DEFINE_MONO("Tone Control - Bass", bass), - DEFINE_MONO("Tone Control - Treble", treble), - DEFINE_MONO("PCM Playback Volume", pcm), - { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "DRC Range", - .info = tumbler_info_drc_value, - .get = tumbler_get_drc_value, - .put = tumbler_put_drc_value - }, -}; - -static struct snd_kcontrol_new snapper_mixers[] __devinitdata = { - { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Master Playback Volume", - .info = tumbler_info_master_volume, - .get = tumbler_get_master_volume, - .put = tumbler_put_master_volume - }, - { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Master Playback Switch", - .info = snd_pmac_boolean_stereo_info, - .get = tumbler_get_master_switch, - .put = tumbler_put_master_switch - }, - DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM), - /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */ - DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2), - DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC), - DEFINE_SNAPPER_MONO("Tone Control - Bass", bass), - DEFINE_SNAPPER_MONO("Tone Control - Treble", treble), - { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "DRC Range", - .info = tumbler_info_drc_value, - .get = tumbler_get_drc_value, - .put = tumbler_put_drc_value - }, - { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */ - .info = snapper_info_capture_source, - .get = snapper_get_capture_source, - .put = snapper_put_capture_source - }, -}; - -static struct snd_kcontrol_new tumbler_hp_sw __devinitdata = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Headphone Playback Switch", - .info = snd_pmac_boolean_mono_info, - .get = tumbler_get_mute_switch, - .put = tumbler_put_mute_switch, - .private_value = TUMBLER_MUTE_HP, -}; -static struct snd_kcontrol_new tumbler_speaker_sw __devinitdata = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Speaker Playback Switch", - .info = snd_pmac_boolean_mono_info, - .get = tumbler_get_mute_switch, - .put = tumbler_put_mute_switch, - .private_value = TUMBLER_MUTE_AMP, -}; -static struct snd_kcontrol_new tumbler_lineout_sw __devinitdata = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Line Out Playback Switch", - .info = snd_pmac_boolean_mono_info, - .get = tumbler_get_mute_switch, - .put = tumbler_put_mute_switch, - .private_value = TUMBLER_MUTE_LINE, -}; -static struct snd_kcontrol_new tumbler_drc_sw __devinitdata = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "DRC Switch", - .info = snd_pmac_boolean_mono_info, - .get = tumbler_get_drc_switch, - .put = tumbler_put_drc_switch -}; - - -#ifdef PMAC_SUPPORT_AUTOMUTE -/* - * auto-mute stuffs - */ -static int tumbler_detect_headphone(struct snd_pmac *chip) -{ - struct pmac_tumbler *mix = chip->mixer_data; - int detect = 0; - - if (mix->hp_detect.addr) - detect |= read_audio_gpio(&mix->hp_detect); - return detect; -} - -static int tumbler_detect_lineout(struct snd_pmac *chip) -{ - struct pmac_tumbler *mix = chip->mixer_data; - int detect = 0; - - if (mix->line_detect.addr) - detect |= read_audio_gpio(&mix->line_detect); - return detect; -} - -static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify, - struct snd_kcontrol *sw) -{ - if (check_audio_gpio(gp) != val) { - write_audio_gpio(gp, val); - if (do_notify) - snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, - &sw->id); - } -} - -static struct work_struct device_change; -static struct snd_pmac *device_change_chip; - -static void device_change_handler(struct work_struct *work) -{ - struct snd_pmac *chip = device_change_chip; - struct pmac_tumbler *mix; - int headphone, lineout; - - if (!chip) - return; - - mix = chip->mixer_data; - if (snd_BUG_ON(!mix)) - return; - - headphone = tumbler_detect_headphone(chip); - lineout = tumbler_detect_lineout(chip); - - DBG("headphone: %d, lineout: %d\n", headphone, lineout); - - if (headphone || lineout) { - /* unmute headphone/lineout & mute speaker */ - if (headphone) - check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify, - chip->master_sw_ctl); - if (lineout && mix->line_mute.addr != 0) - check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify, - chip->lineout_sw_ctl); - if (mix->anded_reset) - msleep(10); - check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify, - chip->speaker_sw_ctl); - } else { - /* unmute speaker, mute others */ - check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify, - chip->speaker_sw_ctl); - if (mix->anded_reset) - msleep(10); - check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify, - chip->master_sw_ctl); - if (mix->line_mute.addr != 0) - check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify, - chip->lineout_sw_ctl); - } - if (mix->auto_mute_notify) - snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, - &chip->hp_detect_ctl->id); - -#ifdef CONFIG_SND_POWERMAC_AUTO_DRC - mix->drc_enable = ! (headphone || lineout); - if (mix->auto_mute_notify) - snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, - &chip->drc_sw_ctl->id); - if (chip->model == PMAC_TUMBLER) - tumbler_set_drc(mix); - else - snapper_set_drc(mix); -#endif - - /* reset the master volume so the correct amplification is applied */ - tumbler_set_master_volume(mix); -} - -static void tumbler_update_automute(struct snd_pmac *chip, int do_notify) -{ - if (chip->auto_mute) { - struct pmac_tumbler *mix; - mix = chip->mixer_data; - if (snd_BUG_ON(!mix)) - return; - mix->auto_mute_notify = do_notify; - schedule_work(&device_change); - } -} -#endif /* PMAC_SUPPORT_AUTOMUTE */ - - -/* interrupt - headphone plug changed */ -static irqreturn_t headphone_intr(int irq, void *devid) -{ - struct snd_pmac *chip = devid; - if (chip->update_automute && chip->initialized) { - chip->update_automute(chip, 1); - return IRQ_HANDLED; - } - return IRQ_NONE; -} - -/* look for audio-gpio device */ -static struct device_node *find_audio_device(const char *name) -{ - struct device_node *gpiop; - struct device_node *np; - - gpiop = of_find_node_by_name(NULL, "gpio"); - if (! gpiop) - return NULL; - - for (np = of_get_next_child(gpiop, NULL); np; - np = of_get_next_child(gpiop, np)) { - const char *property = of_get_property(np, "audio-gpio", NULL); - if (property && strcmp(property, name) == 0) - break; - } - of_node_put(gpiop); - return np; -} - -/* look for audio-gpio device */ -static struct device_node *find_compatible_audio_device(const char *name) -{ - struct device_node *gpiop; - struct device_node *np; - - gpiop = of_find_node_by_name(NULL, "gpio"); - if (!gpiop) - return NULL; - - for (np = of_get_next_child(gpiop, NULL); np; - np = of_get_next_child(gpiop, np)) { - if (of_device_is_compatible(np, name)) - break; - } - of_node_put(gpiop); - return np; -} - -/* find an audio device and get its address */ -static long tumbler_find_device(const char *device, const char *platform, - struct pmac_gpio *gp, int is_compatible) -{ - struct device_node *node; - const u32 *base; - u32 addr; - long ret; - - if (is_compatible) - node = find_compatible_audio_device(device); - else - node = find_audio_device(device); - if (! node) { - DBG("(W) cannot find audio device %s !\n", device); - snd_printdd("cannot find device %s\n", device); - return -ENODEV; - } - - base = of_get_property(node, "AAPL,address", NULL); - if (! base) { - base = of_get_property(node, "reg", NULL); - if (!base) { - DBG("(E) cannot find address for device %s !\n", device); - snd_printd("cannot find address for device %s\n", device); - of_node_put(node); - return -ENODEV; - } - addr = *base; - if (addr < 0x50) - addr += 0x50; - } else - addr = *base; - - gp->addr = addr & 0x0000ffff; - /* Try to find the active state, default to 0 ! */ - base = of_get_property(node, "audio-gpio-active-state", NULL); - if (base) { - gp->active_state = *base; - gp->active_val = (*base) ? 0x5 : 0x4; - gp->inactive_val = (*base) ? 0x4 : 0x5; - } else { - const u32 *prop = NULL; - gp->active_state = IS_G4DA - && !strncmp(device, "keywest-gpio1", 13); - gp->active_val = 0x4; - gp->inactive_val = 0x5; - /* Here are some crude hacks to extract the GPIO polarity and - * open collector informations out of the do-platform script - * as we don't yet have an interpreter for these things - */ - if (platform) - prop = of_get_property(node, platform, NULL); - if (prop) { - if (prop[3] == 0x9 && prop[4] == 0x9) { - gp->active_val = 0xd; - gp->inactive_val = 0xc; - } - if (prop[3] == 0x1 && prop[4] == 0x1) { - gp->active_val = 0x5; - gp->inactive_val = 0x4; - } - } - } - - DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n", - device, gp->addr, gp->active_state); - - ret = irq_of_parse_and_map(node, 0); - of_node_put(node); - return ret; -} - -/* reset audio */ -static void tumbler_reset_audio(struct snd_pmac *chip) -{ - struct pmac_tumbler *mix = chip->mixer_data; - - if (mix->anded_reset) { - DBG("(I) codec anded reset !\n"); - write_audio_gpio(&mix->hp_mute, 0); - write_audio_gpio(&mix->amp_mute, 0); - msleep(200); - write_audio_gpio(&mix->hp_mute, 1); - write_audio_gpio(&mix->amp_mute, 1); - msleep(100); - write_audio_gpio(&mix->hp_mute, 0); - write_audio_gpio(&mix->amp_mute, 0); - msleep(100); - } else { - DBG("(I) codec normal reset !\n"); - - write_audio_gpio(&mix->audio_reset, 0); - msleep(200); - write_audio_gpio(&mix->audio_reset, 1); - msleep(100); - write_audio_gpio(&mix->audio_reset, 0); - msleep(100); - } -} - -#ifdef CONFIG_PM -/* suspend mixer */ -static void tumbler_suspend(struct snd_pmac *chip) -{ - struct pmac_tumbler *mix = chip->mixer_data; - - if (mix->headphone_irq >= 0) - disable_irq(mix->headphone_irq); - if (mix->lineout_irq >= 0) - disable_irq(mix->lineout_irq); - mix->save_master_switch[0] = mix->master_switch[0]; - mix->save_master_switch[1] = mix->master_switch[1]; - mix->save_master_vol[0] = mix->master_vol[0]; - mix->save_master_vol[1] = mix->master_vol[1]; - mix->master_switch[0] = mix->master_switch[1] = 0; - tumbler_set_master_volume(mix); - if (!mix->anded_reset) { - write_audio_gpio(&mix->amp_mute, 1); - write_audio_gpio(&mix->hp_mute, 1); - } - if (chip->model == PMAC_SNAPPER) { - mix->acs |= 1; - i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs); - } - if (mix->anded_reset) { - write_audio_gpio(&mix->amp_mute, 1); - write_audio_gpio(&mix->hp_mute, 1); - } else - write_audio_gpio(&mix->audio_reset, 1); -} - -/* resume mixer */ -static void tumbler_resume(struct snd_pmac *chip) -{ - struct pmac_tumbler *mix = chip->mixer_data; - - mix->acs &= ~1; - mix->master_switch[0] = mix->save_master_switch[0]; - mix->master_switch[1] = mix->save_master_switch[1]; - mix->master_vol[0] = mix->save_master_vol[0]; - mix->master_vol[1] = mix->save_master_vol[1]; - tumbler_reset_audio(chip); - if (mix->i2c.client && mix->i2c.init_client) { - if (mix->i2c.init_client(&mix->i2c) < 0) - printk(KERN_ERR "tumbler_init_client error\n"); - } else - printk(KERN_ERR "tumbler: i2c is not initialized\n"); - if (chip->model == PMAC_TUMBLER) { - tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info); - tumbler_set_mono_volume(mix, &tumbler_bass_vol_info); - tumbler_set_mono_volume(mix, &tumbler_treble_vol_info); - tumbler_set_drc(mix); - } else { - snapper_set_mix_vol(mix, VOL_IDX_PCM); - snapper_set_mix_vol(mix, VOL_IDX_PCM2); - snapper_set_mix_vol(mix, VOL_IDX_ADC); - tumbler_set_mono_volume(mix, &snapper_bass_vol_info); - tumbler_set_mono_volume(mix, &snapper_treble_vol_info); - snapper_set_drc(mix); - snapper_set_capture_source(mix); - } - tumbler_set_master_volume(mix); - if (chip->update_automute) - chip->update_automute(chip, 0); - if (mix->headphone_irq >= 0) { - unsigned char val; - - enable_irq(mix->headphone_irq); - /* activate headphone status interrupts */ - val = do_gpio_read(&mix->hp_detect); - do_gpio_write(&mix->hp_detect, val | 0x80); - } - if (mix->lineout_irq >= 0) - enable_irq(mix->lineout_irq); -} -#endif - -/* initialize tumbler */ -static int __devinit tumbler_init(struct snd_pmac *chip) -{ - int irq; - struct pmac_tumbler *mix = chip->mixer_data; - - if (tumbler_find_device("audio-hw-reset", - "platform-do-hw-reset", - &mix->audio_reset, 0) < 0) - tumbler_find_device("hw-reset", - "platform-do-hw-reset", - &mix->audio_reset, 1); - if (tumbler_find_device("amp-mute", - "platform-do-amp-mute", - &mix->amp_mute, 0) < 0) - tumbler_find_device("amp-mute", - "platform-do-amp-mute", - &mix->amp_mute, 1); - if (tumbler_find_device("headphone-mute", - "platform-do-headphone-mute", - &mix->hp_mute, 0) < 0) - tumbler_find_device("headphone-mute", - "platform-do-headphone-mute", - &mix->hp_mute, 1); - if (tumbler_find_device("line-output-mute", - "platform-do-lineout-mute", - &mix->line_mute, 0) < 0) - tumbler_find_device("line-output-mute", - "platform-do-lineout-mute", - &mix->line_mute, 1); - irq = tumbler_find_device("headphone-detect", - NULL, &mix->hp_detect, 0); - if (irq <= NO_IRQ) - irq = tumbler_find_device("headphone-detect", - NULL, &mix->hp_detect, 1); - if (irq <= NO_IRQ) - irq = tumbler_find_device("keywest-gpio15", - NULL, &mix->hp_detect, 1); - mix->headphone_irq = irq; - irq = tumbler_find_device("line-output-detect", - NULL, &mix->line_detect, 0); - if (irq <= NO_IRQ) - irq = tumbler_find_device("line-output-detect", - NULL, &mix->line_detect, 1); - if (IS_G4DA && irq <= NO_IRQ) - irq = tumbler_find_device("keywest-gpio16", - NULL, &mix->line_detect, 1); - mix->lineout_irq = irq; - - tumbler_reset_audio(chip); - - return 0; -} - -static void tumbler_cleanup(struct snd_pmac *chip) -{ - struct pmac_tumbler *mix = chip->mixer_data; - if (! mix) - return; - - if (mix->headphone_irq >= 0) - free_irq(mix->headphone_irq, chip); - if (mix->lineout_irq >= 0) - free_irq(mix->lineout_irq, chip); - tumbler_gpio_free(&mix->audio_reset); - tumbler_gpio_free(&mix->amp_mute); - tumbler_gpio_free(&mix->hp_mute); - tumbler_gpio_free(&mix->hp_detect); - snd_pmac_keywest_cleanup(&mix->i2c); - kfree(mix); - chip->mixer_data = NULL; -} - -/* exported */ -int __devinit snd_pmac_tumbler_init(struct snd_pmac *chip) -{ - int i, err; - struct pmac_tumbler *mix; - const u32 *paddr; - struct device_node *tas_node, *np; - char *chipname; - - request_module("i2c-powermac"); - - mix = kzalloc(sizeof(*mix), GFP_KERNEL); - if (! mix) - return -ENOMEM; - mix->headphone_irq = -1; - - chip->mixer_data = mix; - chip->mixer_free = tumbler_cleanup; - mix->anded_reset = 0; - mix->reset_on_sleep = 1; - - for (np = chip->node->child; np; np = np->sibling) { - if (!strcmp(np->name, "sound")) { - if (of_get_property(np, "has-anded-reset", NULL)) - mix->anded_reset = 1; - if (of_get_property(np, "layout-id", NULL)) - mix->reset_on_sleep = 0; - break; - } - } - if ((err = tumbler_init(chip)) < 0) - return err; - - /* set up TAS */ - tas_node = of_find_node_by_name(NULL, "deq"); - if (tas_node == NULL) - tas_node = of_find_node_by_name(NULL, "codec"); - if (tas_node == NULL) - return -ENODEV; - - paddr = of_get_property(tas_node, "i2c-address", NULL); - if (paddr == NULL) - paddr = of_get_property(tas_node, "reg", NULL); - if (paddr) - mix->i2c.addr = (*paddr) >> 1; - else - mix->i2c.addr = TAS_I2C_ADDR; - of_node_put(tas_node); - - DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr); - - if (chip->model == PMAC_TUMBLER) { - mix->i2c.init_client = tumbler_init_client; - mix->i2c.name = "TAS3001c"; - chipname = "Tumbler"; - } else { - mix->i2c.init_client = snapper_init_client; - mix->i2c.name = "TAS3004"; - chipname = "Snapper"; - } - - if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0) - return err; - - /* - * build mixers - */ - sprintf(chip->card->mixername, "PowerMac %s", chipname); - - if (chip->model == PMAC_TUMBLER) { - for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) { - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0) - return err; - } - } else { - for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) { - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0) - return err; - } - } - chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip); - if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0) - return err; - chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip); - if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0) - return err; - if (mix->line_mute.addr != 0) { - chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip); - if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0) - return err; - } - chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip); - if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0) - return err; - - /* set initial DRC range to 60% */ - if (chip->model == PMAC_TUMBLER) - mix->drc_range = (TAS3001_DRC_MAX * 6) / 10; - else - mix->drc_range = (TAS3004_DRC_MAX * 6) / 10; - mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */ - if (chip->model == PMAC_TUMBLER) - tumbler_set_drc(mix); - else - snapper_set_drc(mix); - -#ifdef CONFIG_PM - chip->suspend = tumbler_suspend; - chip->resume = tumbler_resume; -#endif - - INIT_WORK(&device_change, device_change_handler); - device_change_chip = chip; - -#ifdef PMAC_SUPPORT_AUTOMUTE - if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0) - && (err = snd_pmac_add_automute(chip)) < 0) - return err; - chip->detect_headphone = tumbler_detect_headphone; - chip->update_automute = tumbler_update_automute; - tumbler_update_automute(chip, 0); /* update the status only */ - - /* activate headphone status interrupts */ - if (mix->headphone_irq >= 0) { - unsigned char val; - if ((err = request_irq(mix->headphone_irq, headphone_intr, 0, - "Sound Headphone Detection", chip)) < 0) - return 0; - /* activate headphone status interrupts */ - val = do_gpio_read(&mix->hp_detect); - do_gpio_write(&mix->hp_detect, val | 0x80); - } - if (mix->lineout_irq >= 0) { - unsigned char val; - if ((err = request_irq(mix->lineout_irq, headphone_intr, 0, - "Sound Lineout Detection", chip)) < 0) - return 0; - /* activate headphone status interrupts */ - val = do_gpio_read(&mix->line_detect); - do_gpio_write(&mix->line_detect, val | 0x80); - } -#endif - - return 0; -} |