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linux-sg2042/include/sound/ak4114.h

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#ifndef __SOUND_AK4114_H
#define __SOUND_AK4114_H
/*
* Routines for Asahi Kasei AK4114
* Copyright (c) by Jaroslav Kysela <perex@suse.cz>,
*
*
* 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
*
*/
/* AK4114 registers */
#define AK4114_REG_PWRDN 0x00 /* power down */
#define AK4114_REG_FORMAT 0x01 /* format control */
#define AK4114_REG_IO0 0x02 /* input/output control */
#define AK4114_REG_IO1 0x03 /* input/output control */
#define AK4114_REG_INT0_MASK 0x04 /* interrupt0 mask */
#define AK4114_REG_INT1_MASK 0x05 /* interrupt1 mask */
#define AK4114_REG_RCS0 0x06 /* receiver status 0 */
#define AK4114_REG_RCS1 0x07 /* receiver status 1 */
#define AK4114_REG_RXCSB0 0x08 /* RX channel status byte 0 */
#define AK4114_REG_RXCSB1 0x09 /* RX channel status byte 1 */
#define AK4114_REG_RXCSB2 0x0a /* RX channel status byte 2 */
#define AK4114_REG_RXCSB3 0x0b /* RX channel status byte 3 */
#define AK4114_REG_RXCSB4 0x0c /* RX channel status byte 4 */
#define AK4114_REG_TXCSB0 0x0d /* TX channel status byte 0 */
#define AK4114_REG_TXCSB1 0x0e /* TX channel status byte 1 */
#define AK4114_REG_TXCSB2 0x0f /* TX channel status byte 2 */
#define AK4114_REG_TXCSB3 0x10 /* TX channel status byte 3 */
#define AK4114_REG_TXCSB4 0x11 /* TX channel status byte 4 */
#define AK4114_REG_Pc0 0x12 /* burst preamble Pc byte 0 */
#define AK4114_REG_Pc1 0x13 /* burst preamble Pc byte 1 */
#define AK4114_REG_Pd0 0x14 /* burst preamble Pd byte 0 */
#define AK4114_REG_Pd1 0x15 /* burst preamble Pd byte 1 */
#define AK4114_REG_QSUB_ADDR 0x16 /* Q-subcode address + control */
#define AK4114_REG_QSUB_TRACK 0x17 /* Q-subcode track */
#define AK4114_REG_QSUB_INDEX 0x18 /* Q-subcode index */
#define AK4114_REG_QSUB_MINUTE 0x19 /* Q-subcode minute */
#define AK4114_REG_QSUB_SECOND 0x1a /* Q-subcode second */
#define AK4114_REG_QSUB_FRAME 0x1b /* Q-subcode frame */
#define AK4114_REG_QSUB_ZERO 0x1c /* Q-subcode zero */
#define AK4114_REG_QSUB_ABSMIN 0x1d /* Q-subcode absolute minute */
#define AK4114_REG_QSUB_ABSSEC 0x1e /* Q-subcode absolute second */
#define AK4114_REG_QSUB_ABSFRM 0x1f /* Q-subcode absolute frame */
/* sizes */
#define AK4114_REG_RXCSB_SIZE ((AK4114_REG_RXCSB4-AK4114_REG_RXCSB0)+1)
#define AK4114_REG_TXCSB_SIZE ((AK4114_REG_TXCSB4-AK4114_REG_TXCSB0)+1)
#define AK4114_REG_QSUB_SIZE ((AK4114_REG_QSUB_ABSFRM-AK4114_REG_QSUB_ADDR)+1)
/* AK4117_REG_PWRDN bits */
#define AK4114_CS12 (1<<7) /* Channel Status Select */
#define AK4114_BCU (1<<6) /* Block Start & C/U Output Mode */
#define AK4114_CM1 (1<<5) /* Master Clock Operation Select */
#define AK4114_CM0 (1<<4) /* Master Clock Operation Select */
#define AK4114_OCKS1 (1<<3) /* Master Clock Frequency Select */
#define AK4114_OCKS0 (1<<2) /* Master Clock Frequency Select */
#define AK4114_PWN (1<<1) /* 0 = power down, 1 = normal operation */
#define AK4114_RST (1<<0) /* 0 = reset & initialize (except this register), 1 = normal operation */
/* AK4114_REQ_FORMAT bits */
#define AK4114_MONO (1<<7) /* Double Sampling Frequency Mode: 0 = stereo, 1 = mono */
#define AK4114_DIF2 (1<<5) /* Audio Data Control */
#define AK4114_DIF1 (1<<5) /* Audio Data Control */
#define AK4114_DIF0 (1<<4) /* Audio Data Control */
#define AK4114_DIF_16R (0) /* STDO: 16-bit, right justified */
#define AK4114_DIF_18R (AK4114_DIF0) /* STDO: 18-bit, right justified */
#define AK4114_DIF_20R (AK4114_DIF1) /* STDO: 20-bit, right justified */
#define AK4114_DIF_24R (AK4114_DIF1|AK4114_DIF0) /* STDO: 24-bit, right justified */
#define AK4114_DIF_24L (AK4114_DIF2) /* STDO: 24-bit, left justified */
#define AK4114_DIF_24I2S (AK4114_DIF2|AK4114_DIF0) /* STDO: I2S */
#define AK4114_DIF_I24L (AK4114_DIF2|AK4114_DIF1) /* STDO: 24-bit, left justified; LRCLK, BICK = Input */
#define AK4114_DIF_I24I2S (AK4114_DIF2|AK4114_DIF1|AK4114_DIF0) /* STDO: I2S; LRCLK, BICK = Input */
#define AK4114_DEAU (1<<3) /* Deemphasis Autodetect Enable (1 = enable) */
#define AK4114_DEM1 (1<<2) /* 32kHz-48kHz Deemphasis Control */
#define AK4114_DEM0 (1<<1) /* 32kHz-48kHz Deemphasis Control */
#define AK4114_DEM_44KHZ (0)
#define AK4114_DEM_48KHZ (AK4114_DEM1)
#define AK4114_DEM_32KHZ (AK4114_DEM0|AK4114_DEM1)
#define AK4114_DEM_96KHZ (AK4114_DEM1) /* DFS must be set */
#define AK4114_DFS (1<<0) /* 96kHz Deemphasis Control */
/* AK4114_REG_IO0 */
#define AK4114_TX1E (1<<7) /* TX1 Output Enable (1 = enable) */
#define AK4114_OPS12 (1<<2) /* Output Though Data Selector for TX1 pin */
#define AK4114_OPS11 (1<<1) /* Output Though Data Selector for TX1 pin */
#define AK4114_OPS10 (1<<0) /* Output Though Data Selector for TX1 pin */
#define AK4114_TX0E (1<<3) /* TX0 Output Enable (1 = enable) */
#define AK4114_OPS02 (1<<2) /* Output Though Data Selector for TX0 pin */
#define AK4114_OPS01 (1<<1) /* Output Though Data Selector for TX0 pin */
#define AK4114_OPS00 (1<<0) /* Output Though Data Selector for TX0 pin */
/* AK4114_REG_IO1 */
#define AK4114_EFH1 (1<<7) /* Interrupt 0 pin Hold */
#define AK4114_EFH0 (1<<6) /* Interrupt 0 pin Hold */
#define AK4114_EFH_512 (0)
#define AK4114_EFH_1024 (AK4114_EFH0)
#define AK4114_EFH_2048 (AK4114_EFH1)
#define AK4114_EFH_4096 (AK4114_EFH1|AK4114_EFH0)
#define AK4114_UDIT (1<<5) /* U-bit Control for DIT (0 = fixed '0', 1 = recovered) */
#define AK4114_TLR (1<<4) /* Double Sampling Frequency Select for DIT (0 = L channel, 1 = R channel) */
#define AK4114_DIT (1<<3) /* TX1 out: 0 = Through Data (RX data), 1 = Transmit Data (DAUX data) */
#define AK4114_IPS2 (1<<2) /* Input Recovery Data Select */
#define AK4114_IPS1 (1<<1) /* Input Recovery Data Select */
#define AK4114_IPS0 (1<<0) /* Input Recovery Data Select */
#define AK4114_IPS(x) ((x)&7)
/* AK4114_REG_INT0_MASK && AK4114_REG_INT1_MASK*/
#define AK4117_MQI (1<<7) /* mask enable for QINT bit */
#define AK4117_MAT (1<<6) /* mask enable for AUTO bit */
#define AK4117_MCI (1<<5) /* mask enable for CINT bit */
#define AK4117_MUL (1<<4) /* mask enable for UNLOCK bit */
#define AK4117_MDTS (1<<3) /* mask enable for DTSCD bit */
#define AK4117_MPE (1<<2) /* mask enable for PEM bit */
#define AK4117_MAN (1<<1) /* mask enable for AUDN bit */
#define AK4117_MPR (1<<0) /* mask enable for PAR bit */
/* AK4114_REG_RCS0 */
#define AK4114_QINT (1<<7) /* Q-subcode buffer interrupt, 0 = no change, 1 = changed */
#define AK4114_AUTO (1<<6) /* Non-PCM or DTS stream auto detection, 0 = no detect, 1 = detect */
#define AK4114_CINT (1<<5) /* channel status buffer interrupt, 0 = no change, 1 = change */
#define AK4114_UNLCK (1<<4) /* PLL lock status, 0 = lock, 1 = unlock */
#define AK4114_DTSCD (1<<3) /* DTS-CD Detect, 0 = No detect, 1 = Detect */
#define AK4114_PEM (1<<2) /* Pre-emphasis Detect, 0 = OFF, 1 = ON */
#define AK4114_AUDION (1<<1) /* audio bit output, 0 = audio, 1 = non-audio */
#define AK4114_PAR (1<<0) /* parity error or biphase error status, 0 = no error, 1 = error */
/* AK4114_REG_RCS1 */
#define AK4114_FS3 (1<<7) /* sampling frequency detection */
#define AK4114_FS2 (1<<6)
#define AK4114_FS1 (1<<5)
#define AK4114_FS0 (1<<4)
#define AK4114_FS_44100HZ (0)
#define AK4114_FS_48000HZ (AK4114_FS1)
#define AK4114_FS_32000HZ (AK4114_FS1|AK4114_FS0)
#define AK4114_FS_88200HZ (AK4114_FS3)
#define AK4114_FS_96000HZ (AK4114_FS3|AK4114_FS1)
#define AK4114_FS_176400HZ (AK4114_FS3|AK4114_FS2)
#define AK4114_FS_192000HZ (AK4114_FS3|AK4114_FS2|AK4114_FS1)
#define AK4114_V (1<<3) /* Validity of Channel Status, 0 = Valid, 1 = Invalid */
#define AK4114_QCRC (1<<1) /* CRC for Q-subcode, 0 = no error, 1 = error */
#define AK4114_CCRC (1<<0) /* CRC for channel status, 0 = no error, 1 = error */
/* flags for snd_ak4114_check_rate_and_errors() */
#define AK4114_CHECK_NO_STAT (1<<0) /* no statistics */
#define AK4114_CHECK_NO_RATE (1<<1) /* no rate check */
#define AK4114_CONTROLS 14
typedef void (ak4114_write_t)(void *private_data, unsigned char addr, unsigned char data);
typedef unsigned char (ak4114_read_t)(void *private_data, unsigned char addr);
struct ak4114 {
struct snd_card *card;
ak4114_write_t * write;
ak4114_read_t * read;
void * private_data;
unsigned int init: 1;
spinlock_t lock;
unsigned char regmap[7];
unsigned char txcsb[5];
struct snd_kcontrol *kctls[AK4114_CONTROLS];
struct snd_pcm_substream *playback_substream;
struct snd_pcm_substream *capture_substream;
unsigned long parity_errors;
unsigned long v_bit_errors;
unsigned long qcrc_errors;
unsigned long ccrc_errors;
unsigned char rcs0;
unsigned char rcs1;
struct workqueue_struct *workqueue;
struct work_struct work;
void *change_callback_private;
void (*change_callback)(struct ak4114 *ak4114, unsigned char c0, unsigned char c1);
};
int snd_ak4114_create(struct snd_card *card,
ak4114_read_t *read, ak4114_write_t *write,
unsigned char pgm[7], unsigned char txcsb[5],
void *private_data, struct ak4114 **r_ak4114);
void snd_ak4114_reg_write(struct ak4114 *ak4114, unsigned char reg, unsigned char mask, unsigned char val);
void snd_ak4114_reinit(struct ak4114 *ak4114);
int snd_ak4114_build(struct ak4114 *ak4114,
struct snd_pcm_substream *playback_substream,
struct snd_pcm_substream *capture_substream);
int snd_ak4114_external_rate(struct ak4114 *ak4114);
int snd_ak4114_check_rate_and_errors(struct ak4114 *ak4114, unsigned int flags);
#endif /* __SOUND_AK4114_H */
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