ALSA: ak4113 support

* complete support for ak4113
* based on code for ak4114 and ak4117

Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Pavel Hofman 2009-09-16 22:25:37 +02:00 committed by Takashi Iwai
parent 8f34692f63
commit 42cfa276ae
3 changed files with 962 additions and 1 deletions

321
include/sound/ak4113.h Normal file
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@ -0,0 +1,321 @@
#ifndef __SOUND_AK4113_H
#define __SOUND_AK4113_H
/*
* Routines for Asahi Kasei AK4113
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>,
* Copyright (c) by Pavel Hofman <pavel.hofman@ivitera.com>,
*
*
* 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
*
*/
/* AK4113 registers */
/* power down */
#define AK4113_REG_PWRDN 0x00
/* format control */
#define AK4113_REG_FORMAT 0x01
/* input/output control */
#define AK4113_REG_IO0 0x02
/* input/output control */
#define AK4113_REG_IO1 0x03
/* interrupt0 mask */
#define AK4113_REG_INT0_MASK 0x04
/* interrupt1 mask */
#define AK4113_REG_INT1_MASK 0x05
/* DAT mask & DTS select */
#define AK4113_REG_DATDTS 0x06
/* receiver status 0 */
#define AK4113_REG_RCS0 0x07
/* receiver status 1 */
#define AK4113_REG_RCS1 0x08
/* receiver status 2 */
#define AK4113_REG_RCS2 0x09
/* RX channel status byte 0 */
#define AK4113_REG_RXCSB0 0x0a
/* RX channel status byte 1 */
#define AK4113_REG_RXCSB1 0x0b
/* RX channel status byte 2 */
#define AK4113_REG_RXCSB2 0x0c
/* RX channel status byte 3 */
#define AK4113_REG_RXCSB3 0x0d
/* RX channel status byte 4 */
#define AK4113_REG_RXCSB4 0x0e
/* burst preamble Pc byte 0 */
#define AK4113_REG_Pc0 0x0f
/* burst preamble Pc byte 1 */
#define AK4113_REG_Pc1 0x10
/* burst preamble Pd byte 0 */
#define AK4113_REG_Pd0 0x11
/* burst preamble Pd byte 1 */
#define AK4113_REG_Pd1 0x12
/* Q-subcode address + control */
#define AK4113_REG_QSUB_ADDR 0x13
/* Q-subcode track */
#define AK4113_REG_QSUB_TRACK 0x14
/* Q-subcode index */
#define AK4113_REG_QSUB_INDEX 0x15
/* Q-subcode minute */
#define AK4113_REG_QSUB_MINUTE 0x16
/* Q-subcode second */
#define AK4113_REG_QSUB_SECOND 0x17
/* Q-subcode frame */
#define AK4113_REG_QSUB_FRAME 0x18
/* Q-subcode zero */
#define AK4113_REG_QSUB_ZERO 0x19
/* Q-subcode absolute minute */
#define AK4113_REG_QSUB_ABSMIN 0x1a
/* Q-subcode absolute second */
#define AK4113_REG_QSUB_ABSSEC 0x1b
/* Q-subcode absolute frame */
#define AK4113_REG_QSUB_ABSFRM 0x1c
/* sizes */
#define AK4113_REG_RXCSB_SIZE ((AK4113_REG_RXCSB4-AK4113_REG_RXCSB0)+1)
#define AK4113_REG_QSUB_SIZE ((AK4113_REG_QSUB_ABSFRM-AK4113_REG_QSUB_ADDR)\
+1)
#define AK4113_WRITABLE_REGS (AK4113_REG_DATDTS + 1)
/* AK4113_REG_PWRDN bits */
/* Channel Status Select */
#define AK4113_CS12 (1<<7)
/* Block Start & C/U Output Mode */
#define AK4113_BCU (1<<6)
/* Master Clock Operation Select */
#define AK4113_CM1 (1<<5)
/* Master Clock Operation Select */
#define AK4113_CM0 (1<<4)
/* Master Clock Frequency Select */
#define AK4113_OCKS1 (1<<3)
/* Master Clock Frequency Select */
#define AK4113_OCKS0 (1<<2)
/* 0 = power down, 1 = normal operation */
#define AK4113_PWN (1<<1)
/* 0 = reset & initialize (except thisregister), 1 = normal operation */
#define AK4113_RST (1<<0)
/* AK4113_REQ_FORMAT bits */
/* V/TX Output select: 0 = Validity Flag Output, 1 = TX */
#define AK4113_VTX (1<<7)
/* Audio Data Control */
#define AK4113_DIF2 (1<<6)
/* Audio Data Control */
#define AK4113_DIF1 (1<<5)
/* Audio Data Control */
#define AK4113_DIF0 (1<<4)
/* Deemphasis Autodetect Enable (1 = enable) */
#define AK4113_DEAU (1<<3)
/* 32kHz-48kHz Deemphasis Control */
#define AK4113_DEM1 (1<<2)
/* 32kHz-48kHz Deemphasis Control */
#define AK4113_DEM0 (1<<1)
#define AK4113_DEM_OFF (AK4113_DEM0)
#define AK4113_DEM_44KHZ (0)
#define AK4113_DEM_48KHZ (AK4113_DEM1)
#define AK4113_DEM_32KHZ (AK4113_DEM0|AK4113_DEM1)
/* STDO: 16-bit, right justified */
#define AK4113_DIF_16R (0)
/* STDO: 18-bit, right justified */
#define AK4113_DIF_18R (AK4113_DIF0)
/* STDO: 20-bit, right justified */
#define AK4113_DIF_20R (AK4113_DIF1)
/* STDO: 24-bit, right justified */
#define AK4113_DIF_24R (AK4113_DIF1|AK4113_DIF0)
/* STDO: 24-bit, left justified */
#define AK4113_DIF_24L (AK4113_DIF2)
/* STDO: I2S */
#define AK4113_DIF_24I2S (AK4113_DIF2|AK4113_DIF0)
/* STDO: 24-bit, left justified; LRCLK, BICK = Input */
#define AK4113_DIF_I24L (AK4113_DIF2|AK4113_DIF1)
/* STDO: I2S; LRCLK, BICK = Input */
#define AK4113_DIF_I24I2S (AK4113_DIF2|AK4113_DIF1|AK4113_DIF0)
/* AK4113_REG_IO0 */
/* XTL1=0,XTL0=0 -> 11.2896Mhz; XTL1=0,XTL0=1 -> 12.288Mhz */
#define AK4113_XTL1 (1<<6)
/* XTL1=1,XTL0=0 -> 24.576Mhz; XTL1=1,XTL0=1 -> use channel status */
#define AK4113_XTL0 (1<<5)
/* Block Start Signal Output: 0 = U-bit, 1 = C-bit (req. BCU = 1) */
#define AK4113_UCE (1<<4)
/* TX Output Enable (1 = enable) */
#define AK4113_TXE (1<<3)
/* Output Through Data Selector for TX pin */
#define AK4113_OPS2 (1<<2)
/* Output Through Data Selector for TX pin */
#define AK4113_OPS1 (1<<1)
/* Output Through Data Selector for TX pin */
#define AK4113_OPS0 (1<<0)
/* 11.2896 MHz ref. Xtal freq. */
#define AK4113_XTL_11_2896M (0)
/* 12.288 MHz ref. Xtal freq. */
#define AK4113_XTL_12_288M (AK4113_XTL0)
/* 24.576 MHz ref. Xtal freq. */
#define AK4113_XTL_24_576M (AK4113_XTL1)
/* AK4113_REG_IO1 */
/* Interrupt 0 pin Hold */
#define AK4113_EFH1 (1<<7)
/* Interrupt 0 pin Hold */
#define AK4113_EFH0 (1<<6)
#define AK4113_EFH_512LRCLK (0)
#define AK4113_EFH_1024LRCLK (AK4113_EFH0)
#define AK4113_EFH_2048LRCLK (AK4113_EFH1)
#define AK4113_EFH_4096LRCLK (AK4113_EFH1|AK4113_EFH0)
/* PLL Lock Time: 0 = 384/fs, 1 = 1/fs */
#define AK4113_FAST (1<<5)
/* MCKO2 Output Select: 0 = CMx/OCKSx, 1 = Xtal */
#define AK4113_XMCK (1<<4)
/* MCKO2 Output Freq. Select: 0 = x1, 1 = x0.5 (req. XMCK = 1) */
#define AK4113_DIV (1<<3)
/* Input Recovery Data Select */
#define AK4113_IPS2 (1<<2)
/* Input Recovery Data Select */
#define AK4113_IPS1 (1<<1)
/* Input Recovery Data Select */
#define AK4113_IPS0 (1<<0)
#define AK4113_IPS(x) ((x)&7)
/* AK4113_REG_INT0_MASK && AK4113_REG_INT1_MASK*/
/* mask enable for QINT bit */
#define AK4113_MQI (1<<7)
/* mask enable for AUTO bit */
#define AK4113_MAUT (1<<6)
/* mask enable for CINT bit */
#define AK4113_MCIT (1<<5)
/* mask enable for UNLOCK bit */
#define AK4113_MULK (1<<4)
/* mask enable for V bit */
#define AK4113_V (1<<3)
/* mask enable for STC bit */
#define AK4113_STC (1<<2)
/* mask enable for AUDN bit */
#define AK4113_MAN (1<<1)
/* mask enable for PAR bit */
#define AK4113_MPR (1<<0)
/* AK4113_REG_DATDTS */
/* DAT Start ID Counter */
#define AK4113_DCNT (1<<4)
/* DTS-CD 16-bit Sync Word Detect */
#define AK4113_DTS16 (1<<3)
/* DTS-CD 14-bit Sync Word Detect */
#define AK4113_DTS14 (1<<2)
/* mask enable for DAT bit (if 1, no INT1 effect */
#define AK4113_MDAT1 (1<<1)
/* mask enable for DAT bit (if 1, no INT0 effect */
#define AK4113_MDAT0 (1<<0)
/* AK4113_REG_RCS0 */
/* Q-subcode buffer interrupt, 0 = no change, 1 = changed */
#define AK4113_QINT (1<<7)
/* Non-PCM or DTS stream auto detection, 0 = no detect, 1 = detect */
#define AK4113_AUTO (1<<6)
/* channel status buffer interrupt, 0 = no change, 1 = change */
#define AK4113_CINT (1<<5)
/* PLL lock status, 0 = lock, 1 = unlock */
#define AK4113_UNLCK (1<<4)
/* Validity bit, 0 = valid, 1 = invalid */
#define AK4113_V (1<<3)
/* sampling frequency or Pre-emphasis change, 0 = no detect, 1 = detect */
#define AK4113_STC (1<<2)
/* audio bit output, 0 = audio, 1 = non-audio */
#define AK4113_AUDION (1<<1)
/* parity error or biphase error status, 0 = no error, 1 = error */
#define AK4113_PAR (1<<0)
/* AK4113_REG_RCS1 */
/* sampling frequency detection */
#define AK4113_FS3 (1<<7)
#define AK4113_FS2 (1<<6)
#define AK4113_FS1 (1<<5)
#define AK4113_FS0 (1<<4)
/* Pre-emphasis detect, 0 = OFF, 1 = ON */
#define AK4113_PEM (1<<3)
/* DAT Start ID Detect, 0 = no detect, 1 = detect */
#define AK4113_DAT (1<<2)
/* DTS-CD bit audio stream detect, 0 = no detect, 1 = detect */
#define AK4113_DTSCD (1<<1)
/* Non-PCM bit stream detection, 0 = no detect, 1 = detect */
#define AK4113_NPCM (1<<0)
#define AK4113_FS_8000HZ (AK4113_FS3|AK4113_FS0)
#define AK4113_FS_11025HZ (AK4113_FS2|AK4113_FS0)
#define AK4113_FS_16000HZ (AK4113_FS2|AK4113_FS1|AK4113_FS0)
#define AK4113_FS_22050HZ (AK4113_FS2)
#define AK4113_FS_24000HZ (AK4113_FS2|AK4113_FS1)
#define AK4113_FS_32000HZ (AK4113_FS1|AK4113_FS0)
#define AK4113_FS_44100HZ (0)
#define AK4113_FS_48000HZ (AK4113_FS1)
#define AK4113_FS_64000HZ (AK4113_FS3|AK4113_FS1|AK4113_FS0)
#define AK4113_FS_88200HZ (AK4113_FS3)
#define AK4113_FS_96000HZ (AK4113_FS3|AK4113_FS1)
#define AK4113_FS_176400HZ (AK4113_FS3|AK4113_FS2)
#define AK4113_FS_192000HZ (AK4113_FS3|AK4113_FS2|AK4113_FS1)
/* AK4113_REG_RCS2 */
/* CRC for Q-subcode, 0 = no error, 1 = error */
#define AK4113_QCRC (1<<1)
/* CRC for channel status, 0 = no error, 1 = error */
#define AK4113_CCRC (1<<0)
/* flags for snd_ak4113_check_rate_and_errors() */
#define AK4113_CHECK_NO_STAT (1<<0) /* no statistics */
#define AK4113_CHECK_NO_RATE (1<<1) /* no rate check */
#define AK4113_CONTROLS 13
typedef void (ak4113_write_t)(void *private_data, unsigned char addr,
unsigned char data);
typedef unsigned char (ak4113_read_t)(void *private_data, unsigned char addr);
struct ak4113 {
struct snd_card *card;
ak4113_write_t *write;
ak4113_read_t *read;
void *private_data;
unsigned int init:1;
spinlock_t lock;
unsigned char regmap[AK4113_WRITABLE_REGS];
struct snd_kcontrol *kctls[AK4113_CONTROLS];
struct snd_pcm_substream *substream;
unsigned long parity_errors;
unsigned long v_bit_errors;
unsigned long qcrc_errors;
unsigned long ccrc_errors;
unsigned char rcs0;
unsigned char rcs1;
unsigned char rcs2;
struct delayed_work work;
unsigned int check_flags;
void *change_callback_private;
void (*change_callback)(struct ak4113 *ak4113, unsigned char c0,
unsigned char c1);
};
int snd_ak4113_create(struct snd_card *card, ak4113_read_t *read,
ak4113_write_t *write,
const unsigned char pgm[AK4113_WRITABLE_REGS],
void *private_data, struct ak4113 **r_ak4113);
void snd_ak4113_reg_write(struct ak4113 *ak4113, unsigned char reg,
unsigned char mask, unsigned char val);
void snd_ak4113_reinit(struct ak4113 *ak4113);
int snd_ak4113_build(struct ak4113 *ak4113,
struct snd_pcm_substream *capture_substream);
int snd_ak4113_external_rate(struct ak4113 *ak4113);
int snd_ak4113_check_rate_and_errors(struct ak4113 *ak4113, unsigned int flags);
#endif /* __SOUND_AK4113_H */

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@ -5,6 +5,7 @@
snd-ak4114-objs := ak4114.o
snd-ak4117-objs := ak4117.o
snd-ak4113-objs := ak4113.o
snd-ak4xxx-adda-objs := ak4xxx-adda.o
snd-pt2258-objs := pt2258.o
snd-tea575x-tuner-objs := tea575x-tuner.o
@ -12,5 +13,5 @@ snd-tea575x-tuner-objs := tea575x-tuner.o
# Module Dependency
obj-$(CONFIG_SND_PDAUDIOCF) += snd-ak4117.o
obj-$(CONFIG_SND_ICE1712) += snd-ak4xxx-adda.o
obj-$(CONFIG_SND_ICE1724) += snd-ak4114.o snd-ak4xxx-adda.o snd-pt2258.o
obj-$(CONFIG_SND_ICE1724) += snd-ak4114.o snd-ak4113.o snd-ak4xxx-adda.o snd-pt2258.o
obj-$(CONFIG_SND_FM801_TEA575X) += snd-tea575x-tuner.o

639
sound/i2c/other/ak4113.c Normal file
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@ -0,0 +1,639 @@
/*
* Routines for control of the AK4113 via I2C/4-wire serial interface
* IEC958 (S/PDIF) receiver by Asahi Kasei
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
* Copyright (c) by Pavel Hofman <pavel.hofman@ivitera.com>
*
*
* 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/slab.h>
#include <linux/delay.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/pcm.h>
#include <sound/ak4113.h>
#include <sound/asoundef.h>
#include <sound/info.h>
MODULE_AUTHOR("Pavel Hofman <pavel.hofman@ivitera.com>");
MODULE_DESCRIPTION("AK4113 IEC958 (S/PDIF) receiver by Asahi Kasei");
MODULE_LICENSE("GPL");
#define AK4113_ADDR 0x00 /* fixed address */
static void ak4113_stats(struct work_struct *work);
static void ak4113_init_regs(struct ak4113 *chip);
static void reg_write(struct ak4113 *ak4113, unsigned char reg,
unsigned char val)
{
ak4113->write(ak4113->private_data, reg, val);
if (reg < sizeof(ak4113->regmap))
ak4113->regmap[reg] = val;
}
static inline unsigned char reg_read(struct ak4113 *ak4113, unsigned char reg)
{
return ak4113->read(ak4113->private_data, reg);
}
static void snd_ak4113_free(struct ak4113 *chip)
{
chip->init = 1; /* don't schedule new work */
mb();
cancel_delayed_work(&chip->work);
flush_scheduled_work();
kfree(chip);
}
static int snd_ak4113_dev_free(struct snd_device *device)
{
struct ak4113 *chip = device->device_data;
snd_ak4113_free(chip);
return 0;
}
int snd_ak4113_create(struct snd_card *card, ak4113_read_t *read,
ak4113_write_t *write, const unsigned char pgm[5],
void *private_data, struct ak4113 **r_ak4113)
{
struct ak4113 *chip;
int err = 0;
unsigned char reg;
static struct snd_device_ops ops = {
.dev_free = snd_ak4113_dev_free,
};
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
if (chip == NULL)
return -ENOMEM;
spin_lock_init(&chip->lock);
chip->card = card;
chip->read = read;
chip->write = write;
chip->private_data = private_data;
INIT_DELAYED_WORK(&chip->work, ak4113_stats);
for (reg = 0; reg < AK4113_WRITABLE_REGS ; reg++)
chip->regmap[reg] = pgm[reg];
ak4113_init_regs(chip);
chip->rcs0 = reg_read(chip, AK4113_REG_RCS0) & ~(AK4113_QINT |
AK4113_CINT | AK4113_STC);
chip->rcs1 = reg_read(chip, AK4113_REG_RCS1);
chip->rcs2 = reg_read(chip, AK4113_REG_RCS2);
err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
if (err < 0)
goto __fail;
if (r_ak4113)
*r_ak4113 = chip;
return 0;
__fail:
snd_ak4113_free(chip);
return err < 0 ? err : -EIO;
}
EXPORT_SYMBOL_GPL(snd_ak4113_create);
void snd_ak4113_reg_write(struct ak4113 *chip, unsigned char reg,
unsigned char mask, unsigned char val)
{
if (reg >= AK4113_WRITABLE_REGS)
return;
reg_write(chip, reg, (chip->regmap[reg] & ~mask) | val);
}
EXPORT_SYMBOL_GPL(snd_ak4113_reg_write);
static void ak4113_init_regs(struct ak4113 *chip)
{
unsigned char old = chip->regmap[AK4113_REG_PWRDN], reg;
/* bring the chip to reset state and powerdown state */
reg_write(chip, AK4113_REG_PWRDN, old & ~(AK4113_RST|AK4113_PWN));
udelay(200);
/* release reset, but leave powerdown */
reg_write(chip, AK4113_REG_PWRDN, (old | AK4113_RST) & ~AK4113_PWN);
udelay(200);
for (reg = 1; reg < AK4113_WRITABLE_REGS; reg++)
reg_write(chip, reg, chip->regmap[reg]);
/* release powerdown, everything is initialized now */
reg_write(chip, AK4113_REG_PWRDN, old | AK4113_RST | AK4113_PWN);
}
void snd_ak4113_reinit(struct ak4113 *chip)
{
chip->init = 1;
mb();
flush_scheduled_work();
ak4113_init_regs(chip);
/* bring up statistics / event queing */
chip->init = 0;
if (chip->kctls[0])
schedule_delayed_work(&chip->work, HZ / 10);
}
EXPORT_SYMBOL_GPL(snd_ak4113_reinit);
static unsigned int external_rate(unsigned char rcs1)
{
switch (rcs1 & (AK4113_FS0|AK4113_FS1|AK4113_FS2|AK4113_FS3)) {
case AK4113_FS_8000HZ:
return 8000;
case AK4113_FS_11025HZ:
return 11025;
case AK4113_FS_16000HZ:
return 16000;
case AK4113_FS_22050HZ:
return 22050;
case AK4113_FS_24000HZ:
return 24000;
case AK4113_FS_32000HZ:
return 32000;
case AK4113_FS_44100HZ:
return 44100;
case AK4113_FS_48000HZ:
return 48000;
case AK4113_FS_64000HZ:
return 64000;
case AK4113_FS_88200HZ:
return 88200;
case AK4113_FS_96000HZ:
return 96000;
case AK4113_FS_176400HZ:
return 176400;
case AK4113_FS_192000HZ:
return 192000;
default:
return 0;
}
}
static int snd_ak4113_in_error_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = LONG_MAX;
return 0;
}
static int snd_ak4113_in_error_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
long *ptr;
spin_lock_irq(&chip->lock);
ptr = (long *)(((char *)chip) + kcontrol->private_value);
ucontrol->value.integer.value[0] = *ptr;
*ptr = 0;
spin_unlock_irq(&chip->lock);
return 0;
}
#define snd_ak4113_in_bit_info snd_ctl_boolean_mono_info
static int snd_ak4113_in_bit_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
unsigned char reg = kcontrol->private_value & 0xff;
unsigned char bit = (kcontrol->private_value >> 8) & 0xff;
unsigned char inv = (kcontrol->private_value >> 31) & 1;
ucontrol->value.integer.value[0] =
((reg_read(chip, reg) & (1 << bit)) ? 1 : 0) ^ inv;
return 0;
}
static int snd_ak4113_rx_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 5;
return 0;
}
static int snd_ak4113_rx_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
ucontrol->value.integer.value[0] =
(AK4113_IPS(chip->regmap[AK4113_REG_IO1]));
return 0;
}
static int snd_ak4113_rx_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
int change;
u8 old_val;
spin_lock_irq(&chip->lock);
old_val = chip->regmap[AK4113_REG_IO1];
change = ucontrol->value.integer.value[0] != AK4113_IPS(old_val);
if (change)
reg_write(chip, AK4113_REG_IO1,
(old_val & (~AK4113_IPS(0xff))) |
(AK4113_IPS(ucontrol->value.integer.value[0])));
spin_unlock_irq(&chip->lock);
return change;
}
static int snd_ak4113_rate_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 192000;
return 0;
}
static int snd_ak4113_rate_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
ucontrol->value.integer.value[0] = external_rate(reg_read(chip,
AK4113_REG_RCS1));
return 0;
}
static int snd_ak4113_spdif_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
uinfo->count = 1;
return 0;
}
static int snd_ak4113_spdif_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
unsigned i;
for (i = 0; i < AK4113_REG_RXCSB_SIZE; i++)
ucontrol->value.iec958.status[i] = reg_read(chip,
AK4113_REG_RXCSB0 + i);
return 0;
}
static int snd_ak4113_spdif_mask_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
uinfo->count = 1;
return 0;
}
static int snd_ak4113_spdif_mask_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
memset(ucontrol->value.iec958.status, 0xff, AK4113_REG_RXCSB_SIZE);
return 0;
}
static int snd_ak4113_spdif_pinfo(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 0xffff;
uinfo->count = 4;
return 0;
}
static int snd_ak4113_spdif_pget(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
unsigned short tmp;
ucontrol->value.integer.value[0] = 0xf8f2;
ucontrol->value.integer.value[1] = 0x4e1f;
tmp = reg_read(chip, AK4113_REG_Pc0) |
(reg_read(chip, AK4113_REG_Pc1) << 8);
ucontrol->value.integer.value[2] = tmp;
tmp = reg_read(chip, AK4113_REG_Pd0) |
(reg_read(chip, AK4113_REG_Pd1) << 8);
ucontrol->value.integer.value[3] = tmp;
return 0;
}
static int snd_ak4113_spdif_qinfo(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
uinfo->count = AK4113_REG_QSUB_SIZE;
return 0;
}
static int snd_ak4113_spdif_qget(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
unsigned i;
for (i = 0; i < AK4113_REG_QSUB_SIZE; i++)
ucontrol->value.bytes.data[i] = reg_read(chip,
AK4113_REG_QSUB_ADDR + i);
return 0;
}
/* Don't forget to change AK4113_CONTROLS define!!! */
static struct snd_kcontrol_new snd_ak4113_iec958_controls[] = {
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = "IEC958 Parity Errors",
.access = SNDRV_CTL_ELEM_ACCESS_READ |
SNDRV_CTL_ELEM_ACCESS_VOLATILE,
.info = snd_ak4113_in_error_info,
.get = snd_ak4113_in_error_get,
.private_value = offsetof(struct ak4113, parity_errors),
},
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = "IEC958 V-Bit Errors",
.access = SNDRV_CTL_ELEM_ACCESS_READ |
SNDRV_CTL_ELEM_ACCESS_VOLATILE,
.info = snd_ak4113_in_error_info,
.get = snd_ak4113_in_error_get,
.private_value = offsetof(struct ak4113, v_bit_errors),
},
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = "IEC958 C-CRC Errors",
.access = SNDRV_CTL_ELEM_ACCESS_READ |
SNDRV_CTL_ELEM_ACCESS_VOLATILE,
.info = snd_ak4113_in_error_info,
.get = snd_ak4113_in_error_get,
.private_value = offsetof(struct ak4113, ccrc_errors),
},
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = "IEC958 Q-CRC Errors",
.access = SNDRV_CTL_ELEM_ACCESS_READ |
SNDRV_CTL_ELEM_ACCESS_VOLATILE,
.info = snd_ak4113_in_error_info,
.get = snd_ak4113_in_error_get,
.private_value = offsetof(struct ak4113, qcrc_errors),
},
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = "IEC958 External Rate",
.access = SNDRV_CTL_ELEM_ACCESS_READ |
SNDRV_CTL_ELEM_ACCESS_VOLATILE,
.info = snd_ak4113_rate_info,
.get = snd_ak4113_rate_get,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.info = snd_ak4113_spdif_mask_info,
.get = snd_ak4113_spdif_mask_get,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
.access = SNDRV_CTL_ELEM_ACCESS_READ |
SNDRV_CTL_ELEM_ACCESS_VOLATILE,
.info = snd_ak4113_spdif_info,
.get = snd_ak4113_spdif_get,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = "IEC958 Preample Capture Default",
.access = SNDRV_CTL_ELEM_ACCESS_READ |
SNDRV_CTL_ELEM_ACCESS_VOLATILE,
.info = snd_ak4113_spdif_pinfo,
.get = snd_ak4113_spdif_pget,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = "IEC958 Q-subcode Capture Default",
.access = SNDRV_CTL_ELEM_ACCESS_READ |
SNDRV_CTL_ELEM_ACCESS_VOLATILE,
.info = snd_ak4113_spdif_qinfo,
.get = snd_ak4113_spdif_qget,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = "IEC958 Audio",
.access = SNDRV_CTL_ELEM_ACCESS_READ |
SNDRV_CTL_ELEM_ACCESS_VOLATILE,
.info = snd_ak4113_in_bit_info,
.get = snd_ak4113_in_bit_get,
.private_value = (1<<31) | (1<<8) | AK4113_REG_RCS0,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = "IEC958 Non-PCM Bitstream",
.access = SNDRV_CTL_ELEM_ACCESS_READ |
SNDRV_CTL_ELEM_ACCESS_VOLATILE,
.info = snd_ak4113_in_bit_info,
.get = snd_ak4113_in_bit_get,
.private_value = (0<<8) | AK4113_REG_RCS1,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = "IEC958 DTS Bitstream",
.access = SNDRV_CTL_ELEM_ACCESS_READ |
SNDRV_CTL_ELEM_ACCESS_VOLATILE,
.info = snd_ak4113_in_bit_info,
.get = snd_ak4113_in_bit_get,
.private_value = (1<<8) | AK4113_REG_RCS1,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = "AK4113 Input Select",
.access = SNDRV_CTL_ELEM_ACCESS_READ |
SNDRV_CTL_ELEM_ACCESS_WRITE,
.info = snd_ak4113_rx_info,
.get = snd_ak4113_rx_get,
.put = snd_ak4113_rx_put,
}
};
static void snd_ak4113_proc_regs_read(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct ak4113 *ak4113 = entry->private_data;
int reg, val;
/* all ak4113 registers 0x00 - 0x1c */
for (reg = 0; reg < 0x1d; reg++) {
val = reg_read(ak4113, reg);
snd_iprintf(buffer, "0x%02x = 0x%02x\n", reg, val);
}
}
static void snd_ak4113_proc_init(struct ak4113 *ak4113)
{
struct snd_info_entry *entry;
if (!snd_card_proc_new(ak4113->card, "ak4113", &entry))
snd_info_set_text_ops(entry, ak4113, snd_ak4113_proc_regs_read);
}
int snd_ak4113_build(struct ak4113 *ak4113,
struct snd_pcm_substream *cap_substream)
{
struct snd_kcontrol *kctl;
unsigned int idx;
int err;
if (snd_BUG_ON(!cap_substream))
return -EINVAL;
ak4113->substream = cap_substream;
for (idx = 0; idx < AK4113_CONTROLS; idx++) {
kctl = snd_ctl_new1(&snd_ak4113_iec958_controls[idx], ak4113);
if (kctl == NULL)
return -ENOMEM;
kctl->id.device = cap_substream->pcm->device;
kctl->id.subdevice = cap_substream->number;
err = snd_ctl_add(ak4113->card, kctl);
if (err < 0)
return err;
ak4113->kctls[idx] = kctl;
}
snd_ak4113_proc_init(ak4113);
/* trigger workq */
schedule_delayed_work(&ak4113->work, HZ / 10);
return 0;
}
EXPORT_SYMBOL_GPL(snd_ak4113_build);
int snd_ak4113_external_rate(struct ak4113 *ak4113)
{
unsigned char rcs1;
rcs1 = reg_read(ak4113, AK4113_REG_RCS1);
return external_rate(rcs1);
}
EXPORT_SYMBOL_GPL(snd_ak4113_external_rate);
int snd_ak4113_check_rate_and_errors(struct ak4113 *ak4113, unsigned int flags)
{
struct snd_pcm_runtime *runtime =
ak4113->substream ? ak4113->substream->runtime : NULL;
unsigned long _flags;
int res = 0;
unsigned char rcs0, rcs1, rcs2;
unsigned char c0, c1;
rcs1 = reg_read(ak4113, AK4113_REG_RCS1);
if (flags & AK4113_CHECK_NO_STAT)
goto __rate;
rcs0 = reg_read(ak4113, AK4113_REG_RCS0);
rcs2 = reg_read(ak4113, AK4113_REG_RCS2);
spin_lock_irqsave(&ak4113->lock, _flags);
if (rcs0 & AK4113_PAR)
ak4113->parity_errors++;
if (rcs0 & AK4113_V)
ak4113->v_bit_errors++;
if (rcs2 & AK4113_CCRC)
ak4113->ccrc_errors++;
if (rcs2 & AK4113_QCRC)
ak4113->qcrc_errors++;
c0 = (ak4113->rcs0 & (AK4113_QINT | AK4113_CINT | AK4113_STC |
AK4113_AUDION | AK4113_AUTO | AK4113_UNLCK)) ^
(rcs0 & (AK4113_QINT | AK4113_CINT | AK4113_STC |
AK4113_AUDION | AK4113_AUTO | AK4113_UNLCK));
c1 = (ak4113->rcs1 & (AK4113_DTSCD | AK4113_NPCM | AK4113_PEM |
AK4113_DAT | 0xf0)) ^
(rcs1 & (AK4113_DTSCD | AK4113_NPCM | AK4113_PEM |
AK4113_DAT | 0xf0));
ak4113->rcs0 = rcs0 & ~(AK4113_QINT | AK4113_CINT | AK4113_STC);
ak4113->rcs1 = rcs1;
ak4113->rcs2 = rcs2;
spin_unlock_irqrestore(&ak4113->lock, _flags);
if (rcs0 & AK4113_PAR)
snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
&ak4113->kctls[0]->id);
if (rcs0 & AK4113_V)
snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
&ak4113->kctls[1]->id);
if (rcs2 & AK4113_CCRC)
snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
&ak4113->kctls[2]->id);
if (rcs2 & AK4113_QCRC)
snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
&ak4113->kctls[3]->id);
/* rate change */
if (c1 & 0xf0)
snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
&ak4113->kctls[4]->id);
if ((c1 & AK4113_PEM) | (c0 & AK4113_CINT))
snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
&ak4113->kctls[6]->id);
if (c0 & AK4113_QINT)
snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
&ak4113->kctls[8]->id);
if (c0 & AK4113_AUDION)
snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
&ak4113->kctls[9]->id);
if (c1 & AK4113_NPCM)
snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
&ak4113->kctls[10]->id);
if (c1 & AK4113_DTSCD)
snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
&ak4113->kctls[11]->id);
if (ak4113->change_callback && (c0 | c1) != 0)
ak4113->change_callback(ak4113, c0, c1);
__rate:
/* compare rate */
res = external_rate(rcs1);
if (!(flags & AK4113_CHECK_NO_RATE) && runtime &&
(runtime->rate != res)) {
snd_pcm_stream_lock_irqsave(ak4113->substream, _flags);
if (snd_pcm_running(ak4113->substream)) {
/*printk(KERN_DEBUG "rate changed (%i <- %i)\n",
* runtime->rate, res); */
snd_pcm_stop(ak4113->substream,
SNDRV_PCM_STATE_DRAINING);
wake_up(&runtime->sleep);
res = 1;
}
snd_pcm_stream_unlock_irqrestore(ak4113->substream, _flags);
}
return res;
}
EXPORT_SYMBOL_GPL(snd_ak4113_check_rate_and_errors);
static void ak4113_stats(struct work_struct *work)
{
struct ak4113 *chip = container_of(work, struct ak4113, work.work);
if (!chip->init)
snd_ak4113_check_rate_and_errors(chip, chip->check_flags);
schedule_delayed_work(&chip->work, HZ / 10);
}