| /* |
| * 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 <sound/driver.h> |
| #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 <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(fmt) |
| #else |
| #define DBG(fmt...) |
| #endif |
| |
| /* 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 & 0xd) == (gp->active_val & 0xd); |
| } |
| |
| static int read_audio_gpio(struct pmac_gpio *gp) |
| { |
| int ret; |
| if (! gp->addr) |
| return 0; |
| ret = ((do_gpio_read(gp) & 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("failed to set volume \n"); |
| return -EINVAL; |
| } |
| 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; |
| snd_assert(mix, return -ENODEV); |
| 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; |
| int change; |
| |
| snd_assert(mix, return -ENODEV); |
| change = mix->master_vol[0] != ucontrol->value.integer.value[0] || |
| mix->master_vol[1] != ucontrol->value.integer.value[1]; |
| if (change) { |
| mix->master_vol[0] = ucontrol->value.integer.value[0]; |
| mix->master_vol[1] = ucontrol->value.integer.value[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; |
| snd_assert(mix, return -ENODEV); |
| 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; |
| |
| snd_assert(mix, return -ENODEV); |
| 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("failed to set DRC\n"); |
| return -EINVAL; |
| } |
| 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("failed to set DRC\n"); |
| return -EINVAL; |
| } |
| 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; |
| int change; |
| |
| if (! (mix = chip->mixer_data)) |
| return -ENODEV; |
| change = mix->drc_range != ucontrol->value.integer.value[0]; |
| if (change) { |
| mix->drc_range = ucontrol->value.integer.value[0]; |
| 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("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; |
| int change; |
| |
| if (! (mix = chip->mixer_data)) |
| return -ENODEV; |
| change = mix->mono_vol[info->index] != ucontrol->value.integer.value[0]; |
| if (change) { |
| mix->mono_vol[info->index] = ucontrol->value.integer.value[0]; |
| 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("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; |
| int change; |
| |
| if (! (mix = chip->mixer_data)) |
| return -ENODEV; |
| change = mix->mix_vol[idx][0] != ucontrol->value.integer.value[0] || |
| mix->mix_vol[idx][1] != ucontrol->value.integer.value[1]; |
| if (change) { |
| mix->mix_vol[idx][0] = ucontrol->value.integer.value[0]; |
| mix->mix_vol[idx][1] = ucontrol->value.integer.value[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 = 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; |
| |
| snd_assert(mix, return -ENODEV); |
| ucontrol->value.integer.value[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; |
| |
| snd_assert(mix, return -ENODEV); |
| change = ucontrol->value.integer.value[0] != mix->capture_source; |
| if (change) { |
| mix->capture_source = !!ucontrol->value.integer.value[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[] __initdata = { |
| { .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[] __initdata = { |
| { .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), |
| DEFINE_SNAPPER_MIX("PCM Playback Volume", 1, 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 __initdata = { |
| .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 __initdata = { |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = "PC 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 __initdata = { |
| .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 __initdata = { |
| .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 void device_change_handler(void *self) |
| { |
| struct snd_pmac *chip = self; |
| struct pmac_tumbler *mix; |
| int headphone, lineout; |
| |
| if (!chip) |
| return; |
| |
| mix = chip->mixer_data; |
| snd_assert(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, 1, 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; |
| snd_assert(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 pt_regs *regs) |
| { |
| 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 *np; |
| |
| if (! (np = find_devices("gpio"))) |
| return NULL; |
| |
| for (np = np->child; np; np = np->sibling) { |
| char *property = get_property(np, "audio-gpio", NULL); |
| if (property && strcmp(property, name) == 0) |
| return np; |
| } |
| return NULL; |
| } |
| |
| /* look for audio-gpio device */ |
| static struct device_node *find_compatible_audio_device(const char *name) |
| { |
| struct device_node *np; |
| |
| if (! (np = find_devices("gpio"))) |
| return NULL; |
| |
| for (np = np->child; np; np = np->sibling) { |
| if (device_is_compatible(np, name)) |
| return np; |
| } |
| return NULL; |
| } |
| |
| /* 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; |
| u32 *base, addr; |
| |
| 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 = (u32 *)get_property(node, "AAPL,address", NULL); |
| if (! base) { |
| base = (u32 *)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); |
| 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 = (u32 *)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 { |
| u32 *prop = NULL; |
| gp->active_state = 0; |
| 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 = (u32 *)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); |
| |
| return irq_of_parse_and_map(node, 0); |
| } |
| |
| /* 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; |
| |
| snd_assert(mix, return); |
| |
| 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 __init tumbler_init(struct snd_pmac *chip) |
| { |
| int irq; |
| struct pmac_tumbler *mix = chip->mixer_data; |
| snd_assert(mix, return -EINVAL); |
| |
| 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); |
| 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 __init snd_pmac_tumbler_init(struct snd_pmac *chip) |
| { |
| int i, err; |
| struct pmac_tumbler *mix; |
| u32 *paddr; |
| struct device_node *tas_node, *np; |
| char *chipname; |
| |
| #ifdef CONFIG_KMOD |
| if (current->fs->root) |
| request_module("i2c-powermac"); |
| #endif /* CONFIG_KMOD */ |
| |
| mix = kmalloc(sizeof(*mix), GFP_KERNEL); |
| if (! mix) |
| return -ENOMEM; |
| memset(mix, 0, sizeof(*mix)); |
| 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 (get_property(np, "has-anded-reset", NULL)) |
| mix->anded_reset = 1; |
| if (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 = find_devices("deq"); |
| if (tas_node == NULL) |
| tas_node = find_devices("codec"); |
| if (tas_node == NULL) |
| return -ENODEV; |
| |
| paddr = (u32 *)get_property(tas_node, "i2c-address", NULL); |
| if (paddr == NULL) |
| paddr = (u32 *)get_property(tas_node, "reg", NULL); |
| if (paddr) |
| mix->i2c.addr = (*paddr) >> 1; |
| else |
| mix->i2c.addr = TAS_I2C_ADDR; |
| |
| 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, (void *)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; |
| } |