diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/ppc/daca.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/ppc/daca.c | 282 |
1 files changed, 0 insertions, 282 deletions
diff --git a/ANDROID_3.4.5/sound/ppc/daca.c b/ANDROID_3.4.5/sound/ppc/daca.c deleted file mode 100644 index 24200b7b..00000000 --- a/ANDROID_3.4.5/sound/ppc/daca.c +++ /dev/null @@ -1,282 +0,0 @@ -/* - * PMac DACA 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 - */ - - -#include <linux/init.h> -#include <linux/i2c.h> -#include <linux/kmod.h> -#include <linux/slab.h> -#include <sound/core.h> -#include "pmac.h" - -/* i2c address */ -#define DACA_I2C_ADDR 0x4d - -/* registers */ -#define DACA_REG_SR 0x01 -#define DACA_REG_AVOL 0x02 -#define DACA_REG_GCFG 0x03 - -/* maximum volume value */ -#define DACA_VOL_MAX 0x38 - - -struct pmac_daca { - struct pmac_keywest i2c; - int left_vol, right_vol; - unsigned int deemphasis : 1; - unsigned int amp_on : 1; -}; - - -/* - * initialize / detect DACA - */ -static int daca_init_client(struct pmac_keywest *i2c) -{ - unsigned short wdata = 0x00; - /* SR: no swap, 1bit delay, 32-48kHz */ - /* GCFG: power amp inverted, DAC on */ - if (i2c_smbus_write_byte_data(i2c->client, DACA_REG_SR, 0x08) < 0 || - i2c_smbus_write_byte_data(i2c->client, DACA_REG_GCFG, 0x05) < 0) - return -EINVAL; - return i2c_smbus_write_block_data(i2c->client, DACA_REG_AVOL, - 2, (unsigned char*)&wdata); -} - -/* - * update volume - */ -static int daca_set_volume(struct pmac_daca *mix) -{ - unsigned char data[2]; - - if (! mix->i2c.client) - return -ENODEV; - - if (mix->left_vol > DACA_VOL_MAX) - data[0] = DACA_VOL_MAX; - else - data[0] = mix->left_vol; - if (mix->right_vol > DACA_VOL_MAX) - data[1] = DACA_VOL_MAX; - else - data[1] = mix->right_vol; - data[1] |= mix->deemphasis ? 0x40 : 0; - if (i2c_smbus_write_block_data(mix->i2c.client, DACA_REG_AVOL, - 2, data) < 0) { - snd_printk(KERN_ERR "failed to set volume \n"); - return -EINVAL; - } - return 0; -} - - -/* deemphasis switch */ -#define daca_info_deemphasis snd_ctl_boolean_mono_info - -static int daca_get_deemphasis(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_daca *mix; - if (! (mix = chip->mixer_data)) - return -ENODEV; - ucontrol->value.integer.value[0] = mix->deemphasis ? 1 : 0; - return 0; -} - -static int daca_put_deemphasis(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_daca *mix; - int change; - - if (! (mix = chip->mixer_data)) - return -ENODEV; - change = mix->deemphasis != ucontrol->value.integer.value[0]; - if (change) { - mix->deemphasis = !!ucontrol->value.integer.value[0]; - daca_set_volume(mix); - } - return change; -} - -/* output volume */ -static int daca_info_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 = DACA_VOL_MAX; - return 0; -} - -static int daca_get_volume(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_daca *mix; - if (! (mix = chip->mixer_data)) - return -ENODEV; - ucontrol->value.integer.value[0] = mix->left_vol; - ucontrol->value.integer.value[1] = mix->right_vol; - return 0; -} - -static int daca_put_volume(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_daca *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] > DACA_VOL_MAX || vol[1] > DACA_VOL_MAX) - return -EINVAL; - change = mix->left_vol != vol[0] || - mix->right_vol != vol[1]; - if (change) { - mix->left_vol = vol[0]; - mix->right_vol = vol[1]; - daca_set_volume(mix); - } - return change; -} - -/* amplifier switch */ -#define daca_info_amp daca_info_deemphasis - -static int daca_get_amp(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_daca *mix; - if (! (mix = chip->mixer_data)) - return -ENODEV; - ucontrol->value.integer.value[0] = mix->amp_on ? 1 : 0; - return 0; -} - -static int daca_put_amp(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - struct pmac_daca *mix; - int change; - - if (! (mix = chip->mixer_data)) - return -ENODEV; - change = mix->amp_on != ucontrol->value.integer.value[0]; - if (change) { - mix->amp_on = !!ucontrol->value.integer.value[0]; - i2c_smbus_write_byte_data(mix->i2c.client, DACA_REG_GCFG, - mix->amp_on ? 0x05 : 0x04); - } - return change; -} - -static struct snd_kcontrol_new daca_mixers[] = { - { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Deemphasis Switch", - .info = daca_info_deemphasis, - .get = daca_get_deemphasis, - .put = daca_put_deemphasis - }, - { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Master Playback Volume", - .info = daca_info_volume, - .get = daca_get_volume, - .put = daca_put_volume - }, - { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Power Amplifier Switch", - .info = daca_info_amp, - .get = daca_get_amp, - .put = daca_put_amp - }, -}; - - -#ifdef CONFIG_PM -static void daca_resume(struct snd_pmac *chip) -{ - struct pmac_daca *mix = chip->mixer_data; - i2c_smbus_write_byte_data(mix->i2c.client, DACA_REG_SR, 0x08); - i2c_smbus_write_byte_data(mix->i2c.client, DACA_REG_GCFG, - mix->amp_on ? 0x05 : 0x04); - daca_set_volume(mix); -} -#endif /* CONFIG_PM */ - - -static void daca_cleanup(struct snd_pmac *chip) -{ - struct pmac_daca *mix = chip->mixer_data; - if (! mix) - return; - snd_pmac_keywest_cleanup(&mix->i2c); - kfree(mix); - chip->mixer_data = NULL; -} - -/* exported */ -int __devinit snd_pmac_daca_init(struct snd_pmac *chip) -{ - int i, err; - struct pmac_daca *mix; - - request_module("i2c-powermac"); - - mix = kzalloc(sizeof(*mix), GFP_KERNEL); - if (! mix) - return -ENOMEM; - chip->mixer_data = mix; - chip->mixer_free = daca_cleanup; - mix->amp_on = 1; /* default on */ - - mix->i2c.addr = DACA_I2C_ADDR; - mix->i2c.init_client = daca_init_client; - mix->i2c.name = "DACA"; - if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0) - return err; - - /* - * build mixers - */ - strcpy(chip->card->mixername, "PowerMac DACA"); - - for (i = 0; i < ARRAY_SIZE(daca_mixers); i++) { - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&daca_mixers[i], chip))) < 0) - return err; - } - -#ifdef CONFIG_PM - chip->resume = daca_resume; -#endif - - return 0; -} |