diff options
Diffstat (limited to 'sound/i2c/other/ak4xxx-adda.c')
| -rw-r--r-- | sound/i2c/other/ak4xxx-adda.c | 944 |
1 files changed, 944 insertions, 0 deletions
diff --git a/sound/i2c/other/ak4xxx-adda.c b/sound/i2c/other/ak4xxx-adda.c new file mode 100644 index 00000000..57ccba88 --- /dev/null +++ b/sound/i2c/other/ak4xxx-adda.c @@ -0,0 +1,944 @@ +/* + * ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4358 / AK4381 + * AD and DA converters + * + * Copyright (c) 2000-2004 Jaroslav Kysela <perex@perex.cz>, + * 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 <asm/io.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <sound/core.h> +#include <sound/control.h> +#include <sound/tlv.h> +#include <sound/ak4xxx-adda.h> +#include <sound/info.h> + +MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.de>"); +MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx AD/DA converters"); +MODULE_LICENSE("GPL"); + +/* write the given register and save the data to the cache */ +void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg, + unsigned char val) +{ + ak->ops.lock(ak, chip); + ak->ops.write(ak, chip, reg, val); + + /* save the data */ + snd_akm4xxx_set(ak, chip, reg, val); + ak->ops.unlock(ak, chip); +} + +EXPORT_SYMBOL(snd_akm4xxx_write); + +/* reset procedure for AK4524 and AK4528 */ +static void ak4524_reset(struct snd_akm4xxx *ak, int state) +{ + unsigned int chip; + unsigned char reg; + + for (chip = 0; chip < ak->num_dacs/2; chip++) { + snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03); + if (state) + continue; + /* DAC volumes */ + for (reg = 0x04; reg < ak->total_regs; reg++) + snd_akm4xxx_write(ak, chip, reg, + snd_akm4xxx_get(ak, chip, reg)); + } +} + +/* reset procedure for AK4355 and AK4358 */ +static void ak435X_reset(struct snd_akm4xxx *ak, int state) +{ + unsigned char reg; + + if (state) { + snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */ + return; + } + for (reg = 0x00; reg < ak->total_regs; reg++) + if (reg != 0x01) + snd_akm4xxx_write(ak, 0, reg, + snd_akm4xxx_get(ak, 0, reg)); + snd_akm4xxx_write(ak, 0, 0x01, 0x01); /* un-reset, unmute */ +} + +/* reset procedure for AK4381 */ +static void ak4381_reset(struct snd_akm4xxx *ak, int state) +{ + unsigned int chip; + unsigned char reg; + for (chip = 0; chip < ak->num_dacs/2; chip++) { + snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f); + if (state) + continue; + for (reg = 0x01; reg < ak->total_regs; reg++) + snd_akm4xxx_write(ak, chip, reg, + snd_akm4xxx_get(ak, chip, reg)); + } +} + +/* + * reset the AKM codecs + * @state: 1 = reset codec, 0 = restore the registers + * + * assert the reset operation and restores the register values to the chips. + */ +void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state) +{ + switch (ak->type) { + case SND_AK4524: + case SND_AK4528: + case SND_AK4620: + ak4524_reset(ak, state); + break; + case SND_AK4529: + /* FIXME: needed for ak4529? */ + break; + case SND_AK4355: + ak435X_reset(ak, state); + break; + case SND_AK4358: + ak435X_reset(ak, state); + break; + case SND_AK4381: + ak4381_reset(ak, state); + break; + default: + break; + } +} + +EXPORT_SYMBOL(snd_akm4xxx_reset); + + +/* + * Volume conversion table for non-linear volumes + * from -63.5dB (mute) to 0dB step 0.5dB + * + * Used for AK4524/AK4620 input/ouput attenuation, AK4528, and + * AK5365 input attenuation + */ +static const unsigned char vol_cvt_datt[128] = { + 0x00, 0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04, + 0x04, 0x04, 0x04, 0x05, 0x05, 0x05, 0x06, 0x06, + 0x06, 0x07, 0x07, 0x08, 0x08, 0x08, 0x09, 0x0a, + 0x0a, 0x0b, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x0f, + 0x10, 0x10, 0x11, 0x12, 0x12, 0x13, 0x13, 0x14, + 0x15, 0x16, 0x17, 0x17, 0x18, 0x19, 0x1a, 0x1c, + 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x23, + 0x24, 0x25, 0x26, 0x28, 0x29, 0x2a, 0x2b, 0x2d, + 0x2e, 0x30, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, + 0x37, 0x38, 0x39, 0x3b, 0x3c, 0x3e, 0x3f, 0x40, + 0x41, 0x42, 0x43, 0x44, 0x46, 0x47, 0x48, 0x4a, + 0x4b, 0x4d, 0x4e, 0x50, 0x51, 0x52, 0x53, 0x54, + 0x55, 0x56, 0x58, 0x59, 0x5b, 0x5c, 0x5e, 0x5f, + 0x60, 0x61, 0x62, 0x64, 0x65, 0x66, 0x67, 0x69, + 0x6a, 0x6c, 0x6d, 0x6f, 0x70, 0x71, 0x72, 0x73, + 0x75, 0x76, 0x77, 0x79, 0x7a, 0x7c, 0x7d, 0x7f, +}; + +/* + * dB tables + */ +static const DECLARE_TLV_DB_SCALE(db_scale_vol_datt, -6350, 50, 1); +static const DECLARE_TLV_DB_SCALE(db_scale_8bit, -12750, 50, 1); +static const DECLARE_TLV_DB_SCALE(db_scale_7bit, -6350, 50, 1); +static const DECLARE_TLV_DB_LINEAR(db_scale_linear, TLV_DB_GAIN_MUTE, 0); + +/* + * initialize all the ak4xxx chips + */ +void snd_akm4xxx_init(struct snd_akm4xxx *ak) +{ + static const unsigned char inits_ak4524[] = { + 0x00, 0x07, /* 0: all power up */ + 0x01, 0x00, /* 1: ADC/DAC reset */ + 0x02, 0x60, /* 2: 24bit I2S */ + 0x03, 0x19, /* 3: deemphasis off */ + 0x01, 0x03, /* 1: ADC/DAC enable */ + 0x04, 0x00, /* 4: ADC left muted */ + 0x05, 0x00, /* 5: ADC right muted */ + 0x06, 0x00, /* 6: DAC left muted */ + 0x07, 0x00, /* 7: DAC right muted */ + 0xff, 0xff + }; + static const unsigned char inits_ak4528[] = { + 0x00, 0x07, /* 0: all power up */ + 0x01, 0x00, /* 1: ADC/DAC reset */ + 0x02, 0x60, /* 2: 24bit I2S */ + 0x03, 0x0d, /* 3: deemphasis off, turn LR highpass filters on */ + 0x01, 0x03, /* 1: ADC/DAC enable */ + 0x04, 0x00, /* 4: ADC left muted */ + 0x05, 0x00, /* 5: ADC right muted */ + 0xff, 0xff + }; + static const unsigned char inits_ak4529[] = { + 0x09, 0x01, /* 9: ATS=0, RSTN=1 */ + 0x0a, 0x3f, /* A: all power up, no zero/overflow detection */ + 0x00, 0x0c, /* 0: TDM=0, 24bit I2S, SMUTE=0 */ + 0x01, 0x00, /* 1: ACKS=0, ADC, loop off */ + 0x02, 0xff, /* 2: LOUT1 muted */ + 0x03, 0xff, /* 3: ROUT1 muted */ + 0x04, 0xff, /* 4: LOUT2 muted */ + 0x05, 0xff, /* 5: ROUT2 muted */ + 0x06, 0xff, /* 6: LOUT3 muted */ + 0x07, 0xff, /* 7: ROUT3 muted */ + 0x0b, 0xff, /* B: LOUT4 muted */ + 0x0c, 0xff, /* C: ROUT4 muted */ + 0x08, 0x55, /* 8: deemphasis all off */ + 0xff, 0xff + }; + static const unsigned char inits_ak4355[] = { + 0x01, 0x02, /* 1: reset and soft-mute */ + 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect, + * disable DZF, sharp roll-off, RSTN#=0 */ + 0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */ + // 0x02, 0x2e, /* quad speed */ + 0x03, 0x01, /* 3: de-emphasis off */ + 0x04, 0x00, /* 4: LOUT1 volume muted */ + 0x05, 0x00, /* 5: ROUT1 volume muted */ + 0x06, 0x00, /* 6: LOUT2 volume muted */ + 0x07, 0x00, /* 7: ROUT2 volume muted */ + 0x08, 0x00, /* 8: LOUT3 volume muted */ + 0x09, 0x00, /* 9: ROUT3 volume muted */ + 0x0a, 0x00, /* a: DATT speed=0, ignore DZF */ + 0x01, 0x01, /* 1: un-reset, unmute */ + 0xff, 0xff + }; + static const unsigned char inits_ak4358[] = { + 0x01, 0x02, /* 1: reset and soft-mute */ + 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect, + * disable DZF, sharp roll-off, RSTN#=0 */ + 0x02, 0x4e, /* 2: DA's power up, normal speed, RSTN#=0 */ + /* 0x02, 0x6e,*/ /* quad speed */ + 0x03, 0x01, /* 3: de-emphasis off */ + 0x04, 0x00, /* 4: LOUT1 volume muted */ + 0x05, 0x00, /* 5: ROUT1 volume muted */ + 0x06, 0x00, /* 6: LOUT2 volume muted */ + 0x07, 0x00, /* 7: ROUT2 volume muted */ + 0x08, 0x00, /* 8: LOUT3 volume muted */ + 0x09, 0x00, /* 9: ROUT3 volume muted */ + 0x0b, 0x00, /* b: LOUT4 volume muted */ + 0x0c, 0x00, /* c: ROUT4 volume muted */ + 0x0a, 0x00, /* a: DATT speed=0, ignore DZF */ + 0x01, 0x01, /* 1: un-reset, unmute */ + 0xff, 0xff + }; + static const unsigned char inits_ak4381[] = { + 0x00, 0x0c, /* 0: mode3(i2s), disable auto-clock detect */ + 0x01, 0x02, /* 1: de-emphasis off, normal speed, + * sharp roll-off, DZF off */ + // 0x01, 0x12, /* quad speed */ + 0x02, 0x00, /* 2: DZF disabled */ + 0x03, 0x00, /* 3: LATT 0 */ + 0x04, 0x00, /* 4: RATT 0 */ + 0x00, 0x0f, /* 0: power-up, un-reset */ + 0xff, 0xff + }; + static const unsigned char inits_ak4620[] = { + 0x00, 0x07, /* 0: normal */ + 0x01, 0x00, /* 0: reset */ + 0x01, 0x02, /* 1: RSTAD */ + 0x01, 0x03, /* 1: RSTDA */ + 0x01, 0x0f, /* 1: normal */ + 0x02, 0x60, /* 2: 24bit I2S */ + 0x03, 0x01, /* 3: deemphasis off */ + 0x04, 0x00, /* 4: LIN muted */ + 0x05, 0x00, /* 5: RIN muted */ + 0x06, 0x00, /* 6: LOUT muted */ + 0x07, 0x00, /* 7: ROUT muted */ + 0xff, 0xff + }; + + int chip; + const unsigned char *ptr, *inits; + unsigned char reg, data; + + memset(ak->images, 0, sizeof(ak->images)); + memset(ak->volumes, 0, sizeof(ak->volumes)); + + switch (ak->type) { + case SND_AK4524: + inits = inits_ak4524; + ak->num_chips = ak->num_dacs / 2; + ak->name = "ak4524"; + ak->total_regs = 0x08; + break; + case SND_AK4528: + inits = inits_ak4528; + ak->num_chips = ak->num_dacs / 2; + ak->name = "ak4528"; + ak->total_regs = 0x06; + break; + case SND_AK4529: + inits = inits_ak4529; + ak->num_chips = 1; + ak->name = "ak4529"; + ak->total_regs = 0x0d; + break; + case SND_AK4355: + inits = inits_ak4355; + ak->num_chips = 1; + ak->name = "ak4355"; + ak->total_regs = 0x0b; + break; + case SND_AK4358: + inits = inits_ak4358; + ak->num_chips = 1; + ak->name = "ak4358"; + ak->total_regs = 0x10; + break; + case SND_AK4381: + inits = inits_ak4381; + ak->num_chips = ak->num_dacs / 2; + ak->name = "ak4381"; + ak->total_regs = 0x05; + break; + case SND_AK5365: + /* FIXME: any init sequence? */ + ak->num_chips = 1; + ak->name = "ak5365"; + ak->total_regs = 0x08; + return; + case SND_AK4620: + inits = inits_ak4620; + ak->num_chips = ak->num_dacs / 2; + ak->name = "ak4620"; + ak->total_regs = 0x08; + break; + default: + snd_BUG(); + return; + } + + for (chip = 0; chip < ak->num_chips; chip++) { + ptr = inits; + while (*ptr != 0xff) { + reg = *ptr++; + data = *ptr++; + snd_akm4xxx_write(ak, chip, reg, data); + udelay(10); + } + } +} + +EXPORT_SYMBOL(snd_akm4xxx_init); + +/* + * Mixer callbacks + */ +#define AK_IPGA (1<<20) /* including IPGA */ +#define AK_VOL_CVT (1<<21) /* need dB conversion */ +#define AK_NEEDSMSB (1<<22) /* need MSB update bit */ +#define AK_INVERT (1<<23) /* data is inverted */ +#define AK_GET_CHIP(val) (((val) >> 8) & 0xff) +#define AK_GET_ADDR(val) ((val) & 0xff) +#define AK_GET_SHIFT(val) (((val) >> 16) & 0x0f) +#define AK_GET_VOL_CVT(val) (((val) >> 21) & 1) +#define AK_GET_IPGA(val) (((val) >> 20) & 1) +#define AK_GET_NEEDSMSB(val) (((val) >> 22) & 1) +#define AK_GET_INVERT(val) (((val) >> 23) & 1) +#define AK_GET_MASK(val) (((val) >> 24) & 0xff) +#define AK_COMPOSE(chip,addr,shift,mask) \ + (((chip) << 8) | (addr) | ((shift) << 16) | ((mask) << 24)) + +static int snd_akm4xxx_volume_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + unsigned int mask = AK_GET_MASK(kcontrol->private_value); + + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = mask; + return 0; +} + +static int snd_akm4xxx_volume_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); + int chip = AK_GET_CHIP(kcontrol->private_value); + int addr = AK_GET_ADDR(kcontrol->private_value); + + ucontrol->value.integer.value[0] = snd_akm4xxx_get_vol(ak, chip, addr); + return 0; +} + +static int put_ak_reg(struct snd_kcontrol *kcontrol, int addr, + unsigned char nval) +{ + struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); + unsigned int mask = AK_GET_MASK(kcontrol->private_value); + int chip = AK_GET_CHIP(kcontrol->private_value); + + if (snd_akm4xxx_get_vol(ak, chip, addr) == nval) + return 0; + + snd_akm4xxx_set_vol(ak, chip, addr, nval); + if (AK_GET_VOL_CVT(kcontrol->private_value) && nval < 128) + nval = vol_cvt_datt[nval]; + if (AK_GET_IPGA(kcontrol->private_value) && nval >= 128) + nval++; /* need to correct + 1 since both 127 and 128 are 0dB */ + if (AK_GET_INVERT(kcontrol->private_value)) + nval = mask - nval; + if (AK_GET_NEEDSMSB(kcontrol->private_value)) + nval |= 0x80; + /* printk(KERN_DEBUG "DEBUG - AK writing reg: chip %x addr %x, + nval %x\n", chip, addr, nval); */ + snd_akm4xxx_write(ak, chip, addr, nval); + return 1; +} + +static int snd_akm4xxx_volume_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + unsigned int mask = AK_GET_MASK(kcontrol->private_value); + unsigned int val = ucontrol->value.integer.value[0]; + if (val > mask) + return -EINVAL; + return put_ak_reg(kcontrol, AK_GET_ADDR(kcontrol->private_value), val); +} + +static int snd_akm4xxx_stereo_volume_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + unsigned int mask = AK_GET_MASK(kcontrol->private_value); + + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 2; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = mask; + return 0; +} + +static int snd_akm4xxx_stereo_volume_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); + int chip = AK_GET_CHIP(kcontrol->private_value); + int addr = AK_GET_ADDR(kcontrol->private_value); + + ucontrol->value.integer.value[0] = snd_akm4xxx_get_vol(ak, chip, addr); + ucontrol->value.integer.value[1] = snd_akm4xxx_get_vol(ak, chip, addr+1); + return 0; +} + +static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + int addr = AK_GET_ADDR(kcontrol->private_value); + unsigned int mask = AK_GET_MASK(kcontrol->private_value); + unsigned int val[2]; + int change; + + val[0] = ucontrol->value.integer.value[0]; + val[1] = ucontrol->value.integer.value[1]; + if (val[0] > mask || val[1] > mask) + return -EINVAL; + change = put_ak_reg(kcontrol, addr, val[0]); + change |= put_ak_reg(kcontrol, addr + 1, val[1]); + return change; +} + +static int snd_akm4xxx_deemphasis_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + static char *texts[4] = { + "44.1kHz", "Off", "48kHz", "32kHz", + }; + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + uinfo->value.enumerated.items = 4; + if (uinfo->value.enumerated.item >= 4) + uinfo->value.enumerated.item = 3; + strcpy(uinfo->value.enumerated.name, + texts[uinfo->value.enumerated.item]); + return 0; +} + +static int snd_akm4xxx_deemphasis_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); + int chip = AK_GET_CHIP(kcontrol->private_value); + int addr = AK_GET_ADDR(kcontrol->private_value); + int shift = AK_GET_SHIFT(kcontrol->private_value); + ucontrol->value.enumerated.item[0] = + (snd_akm4xxx_get(ak, chip, addr) >> shift) & 3; + return 0; +} + +static int snd_akm4xxx_deemphasis_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); + int chip = AK_GET_CHIP(kcontrol->private_value); + int addr = AK_GET_ADDR(kcontrol->private_value); + int shift = AK_GET_SHIFT(kcontrol->private_value); + unsigned char nval = ucontrol->value.enumerated.item[0] & 3; + int change; + + nval = (nval << shift) | + (snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift)); + change = snd_akm4xxx_get(ak, chip, addr) != nval; + if (change) + snd_akm4xxx_write(ak, chip, addr, nval); + return change; +} + +#define ak4xxx_switch_info snd_ctl_boolean_mono_info + +static int ak4xxx_switch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); + int chip = AK_GET_CHIP(kcontrol->private_value); + int addr = AK_GET_ADDR(kcontrol->private_value); + int shift = AK_GET_SHIFT(kcontrol->private_value); + int invert = AK_GET_INVERT(kcontrol->private_value); + /* we observe the (1<<shift) bit only */ + unsigned char val = snd_akm4xxx_get(ak, chip, addr) & (1<<shift); + if (invert) + val = ! val; + ucontrol->value.integer.value[0] = (val & (1<<shift)) != 0; + return 0; +} + +static int ak4xxx_switch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); + int chip = AK_GET_CHIP(kcontrol->private_value); + int addr = AK_GET_ADDR(kcontrol->private_value); + int shift = AK_GET_SHIFT(kcontrol->private_value); + int invert = AK_GET_INVERT(kcontrol->private_value); + long flag = ucontrol->value.integer.value[0]; + unsigned char val, oval; + int change; + + if (invert) + flag = ! flag; + oval = snd_akm4xxx_get(ak, chip, addr); + if (flag) + val = oval | (1<<shift); + else + val = oval & ~(1<<shift); + change = (oval != val); + if (change) + snd_akm4xxx_write(ak, chip, addr, val); + return change; +} + +#define AK5365_NUM_INPUTS 5 + +static int ak4xxx_capture_num_inputs(struct snd_akm4xxx *ak, int mixer_ch) +{ + int num_names; + const char **input_names; + + input_names = ak->adc_info[mixer_ch].input_names; + num_names = 0; + while (num_names < AK5365_NUM_INPUTS && input_names[num_names]) + ++num_names; + return num_names; +} + +static int ak4xxx_capture_source_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); + int mixer_ch = AK_GET_SHIFT(kcontrol->private_value); + const char **input_names; + int num_names, idx; + + num_names = ak4xxx_capture_num_inputs(ak, mixer_ch); + if (!num_names) + return -EINVAL; + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + uinfo->value.enumerated.items = num_names; + idx = uinfo->value.enumerated.item; + if (idx >= num_names) + return -EINVAL; + input_names = ak->adc_info[mixer_ch].input_names; + strncpy(uinfo->value.enumerated.name, input_names[idx], + sizeof(uinfo->value.enumerated.name)); + return 0; +} + +static int ak4xxx_capture_source_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); + int chip = AK_GET_CHIP(kcontrol->private_value); + int addr = AK_GET_ADDR(kcontrol->private_value); + int mask = AK_GET_MASK(kcontrol->private_value); + unsigned char val; + + val = snd_akm4xxx_get(ak, chip, addr) & mask; + ucontrol->value.enumerated.item[0] = val; + return 0; +} + +static int ak4xxx_capture_source_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); + int mixer_ch = AK_GET_SHIFT(kcontrol->private_value); + int chip = AK_GET_CHIP(kcontrol->private_value); + int addr = AK_GET_ADDR(kcontrol->private_value); + int mask = AK_GET_MASK(kcontrol->private_value); + unsigned char oval, val; + int num_names = ak4xxx_capture_num_inputs(ak, mixer_ch); + + if (ucontrol->value.enumerated.item[0] >= num_names) + return -EINVAL; + + oval = snd_akm4xxx_get(ak, chip, addr); + val = oval & ~mask; + val |= ucontrol->value.enumerated.item[0] & mask; + if (val != oval) { + snd_akm4xxx_write(ak, chip, addr, val); + return 1; + } + return 0; +} + +/* + * build AK4xxx controls + */ + +static int build_dac_controls(struct snd_akm4xxx *ak) +{ + int idx, err, mixer_ch, num_stereo; + struct snd_kcontrol_new knew; + + mixer_ch = 0; + for (idx = 0; idx < ak->num_dacs; ) { + /* mute control for Revolution 7.1 - AK4381 */ + if (ak->type == SND_AK4381 + && ak->dac_info[mixer_ch].switch_name) { + memset(&knew, 0, sizeof(knew)); + knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + knew.count = 1; + knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; + knew.name = ak->dac_info[mixer_ch].switch_name; + knew.info = ak4xxx_switch_info; + knew.get = ak4xxx_switch_get; + knew.put = ak4xxx_switch_put; + knew.access = 0; + /* register 1, bit 0 (SMUTE): 0 = normal operation, + 1 = mute */ + knew.private_value = + AK_COMPOSE(idx/2, 1, 0, 0) | AK_INVERT; + err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak)); + if (err < 0) + return err; + } + memset(&knew, 0, sizeof(knew)); + if (! ak->dac_info || ! ak->dac_info[mixer_ch].name) { + knew.name = "DAC Volume"; + knew.index = mixer_ch + ak->idx_offset * 2; + num_stereo = 1; + } else { + knew.name = ak->dac_info[mixer_ch].name; + num_stereo = ak->dac_info[mixer_ch].num_channels; + } + knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + knew.count = 1; + knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ; + if (num_stereo == 2) { + knew.info = snd_akm4xxx_stereo_volume_info; + knew.get = snd_akm4xxx_stereo_volume_get; + knew.put = snd_akm4xxx_stereo_volume_put; + } else { + knew.info = snd_akm4xxx_volume_info; + knew.get = snd_akm4xxx_volume_get; + knew.put = snd_akm4xxx_volume_put; + } + switch (ak->type) { + case SND_AK4524: + /* register 6 & 7 */ + knew.private_value = + AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127) | + AK_VOL_CVT; + knew.tlv.p = db_scale_vol_datt; + break; + case SND_AK4528: + /* register 4 & 5 */ + knew.private_value = + AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127) | + AK_VOL_CVT; + knew.tlv.p = db_scale_vol_datt; + break; + case SND_AK4529: { + /* registers 2-7 and b,c */ + int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb; + knew.private_value = + AK_COMPOSE(0, val, 0, 255) | AK_INVERT; + knew.tlv.p = db_scale_8bit; + break; + } + case SND_AK4355: + /* register 4-9, chip #0 only */ + knew.private_value = AK_COMPOSE(0, idx + 4, 0, 255); + knew.tlv.p = db_scale_8bit; + break; + case SND_AK4358: { + /* register 4-9 and 11-12, chip #0 only */ + int addr = idx < 6 ? idx + 4 : idx + 5; + knew.private_value = + AK_COMPOSE(0, addr, 0, 127) | AK_NEEDSMSB; + knew.tlv.p = db_scale_7bit; + break; + } + case SND_AK4381: + /* register 3 & 4 */ + knew.private_value = + AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255); + knew.tlv.p = db_scale_linear; + break; + case SND_AK4620: + /* register 6 & 7 */ + knew.private_value = + AK_COMPOSE(idx/2, (idx%2) + 6, 0, 255); + knew.tlv.p = db_scale_linear; + break; + default: + return -EINVAL; + } + + err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak)); + if (err < 0) + return err; + + idx += num_stereo; + mixer_ch++; + } + return 0; +} + +static int build_adc_controls(struct snd_akm4xxx *ak) +{ + int idx, err, mixer_ch, num_stereo, max_steps; + struct snd_kcontrol_new knew; + + mixer_ch = 0; + if (ak->type == SND_AK4528) + return 0; /* no controls */ + for (idx = 0; idx < ak->num_adcs;) { + memset(&knew, 0, sizeof(knew)); + if (! ak->adc_info || ! ak->adc_info[mixer_ch].name) { + knew.name = "ADC Volume"; + knew.index = mixer_ch + ak->idx_offset * 2; + num_stereo = 1; + } else { + knew.name = ak->adc_info[mixer_ch].name; + num_stereo = ak->adc_info[mixer_ch].num_channels; + } + knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + knew.count = 1; + knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ; + if (num_stereo == 2) { + knew.info = snd_akm4xxx_stereo_volume_info; + knew.get = snd_akm4xxx_stereo_volume_get; + knew.put = snd_akm4xxx_stereo_volume_put; + } else { + knew.info = snd_akm4xxx_volume_info; + knew.get = snd_akm4xxx_volume_get; + knew.put = snd_akm4xxx_volume_put; + } + /* register 4 & 5 */ + if (ak->type == SND_AK5365) + max_steps = 152; + else + max_steps = 164; + knew.private_value = + AK_COMPOSE(idx/2, (idx%2) + 4, 0, max_steps) | + AK_VOL_CVT | AK_IPGA; + knew.tlv.p = db_scale_vol_datt; + err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak)); + if (err < 0) + return err; + + if (ak->type == SND_AK5365 && (idx % 2) == 0) { + if (! ak->adc_info || + ! ak->adc_info[mixer_ch].switch_name) { + knew.name = "Capture Switch"; + knew.index = mixer_ch + ak->idx_offset * 2; + } else + knew.name = ak->adc_info[mixer_ch].switch_name; + knew.info = ak4xxx_switch_info; + knew.get = ak4xxx_switch_get; + knew.put = ak4xxx_switch_put; + knew.access = 0; + /* register 2, bit 0 (SMUTE): 0 = normal operation, + 1 = mute */ + knew.private_value = + AK_COMPOSE(idx/2, 2, 0, 0) | AK_INVERT; + err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak)); + if (err < 0) + return err; + + memset(&knew, 0, sizeof(knew)); + knew.name = ak->adc_info[mixer_ch].selector_name; + if (!knew.name) { + knew.name = "Capture Channel"; + knew.index = mixer_ch + ak->idx_offset * 2; + } + + knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + knew.info = ak4xxx_capture_source_info; + knew.get = ak4xxx_capture_source_get; + knew.put = ak4xxx_capture_source_put; + knew.access = 0; + /* input selector control: reg. 1, bits 0-2. + * mis-use 'shift' to pass mixer_ch */ + knew.private_value + = AK_COMPOSE(idx/2, 1, mixer_ch, 0x07); + err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak)); + if (err < 0) + return err; + } + + idx += num_stereo; + mixer_ch++; + } + return 0; +} + +static int build_deemphasis(struct snd_akm4xxx *ak, int num_emphs) +{ + int idx, err; + struct snd_kcontrol_new knew; + + for (idx = 0; idx < num_emphs; idx++) { + memset(&knew, 0, sizeof(knew)); + knew.name = "Deemphasis"; + knew.index = idx + ak->idx_offset; + knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + knew.count = 1; + knew.info = snd_akm4xxx_deemphasis_info; + knew.get = snd_akm4xxx_deemphasis_get; + knew.put = snd_akm4xxx_deemphasis_put; + switch (ak->type) { + case SND_AK4524: + case SND_AK4528: + case SND_AK4620: + /* register 3 */ + knew.private_value = AK_COMPOSE(idx, 3, 0, 0); + break; + case SND_AK4529: { + int shift = idx == 3 ? 6 : (2 - idx) * 2; + /* register 8 with shift */ + knew.private_value = AK_COMPOSE(0, 8, shift, 0); + break; + } + case SND_AK4355: + case SND_AK4358: + knew.private_value = AK_COMPOSE(idx, 3, 0, 0); + break; + case SND_AK4381: + knew.private_value = AK_COMPOSE(idx, 1, 1, 0); + break; + default: + return -EINVAL; + } + err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak)); + if (err < 0) + return err; + } + return 0; +} + +#ifdef CONFIG_PROC_FS +static void proc_regs_read(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) +{ + struct snd_akm4xxx *ak = entry->private_data; + int reg, val, chip; + for (chip = 0; chip < ak->num_chips; chip++) { + for (reg = 0; reg < ak->total_regs; reg++) { + val = snd_akm4xxx_get(ak, chip, reg); + snd_iprintf(buffer, "chip %d: 0x%02x = 0x%02x\n", chip, + reg, val); + } + } +} + +static int proc_init(struct snd_akm4xxx *ak) +{ + struct snd_info_entry *entry; + int err; + err = snd_card_proc_new(ak->card, ak->name, &entry); + if (err < 0) + return err; + snd_info_set_text_ops(entry, ak, proc_regs_read); + return 0; +} +#else /* !CONFIG_PROC_FS */ +static int proc_init(struct snd_akm4xxx *ak) { return 0; } +#endif + +int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak) +{ + int err, num_emphs; + + err = build_dac_controls(ak); + if (err < 0) + return err; + + err = build_adc_controls(ak); + if (err < 0) + return err; + if (ak->type == SND_AK4355 || ak->type == SND_AK4358) + num_emphs = 1; + else if (ak->type == SND_AK4620) + num_emphs = 0; + else + num_emphs = ak->num_dacs / 2; + err = build_deemphasis(ak, num_emphs); + if (err < 0) + return err; + err = proc_init(ak); + if (err < 0) + return err; + + return 0; +} +EXPORT_SYMBOL(snd_akm4xxx_build_controls); + +static int __init alsa_akm4xxx_module_init(void) +{ + return 0; +} + +static void __exit alsa_akm4xxx_module_exit(void) +{ +} + +module_init(alsa_akm4xxx_module_init) +module_exit(alsa_akm4xxx_module_exit) |