|  | #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, | 
|  | 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 */ | 
|  |  |