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Edit File: ak4113.h

/* SPDX-License-Identifier: GPL-2.0-or-later */ #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>, */ /* 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); enum { AK4113_PARITY_ERRORS, AK4113_V_BIT_ERRORS, AK4113_QCRC_ERRORS, AK4113_CCRC_ERRORS, AK4113_NUM_ERRORS }; struct ak4113 { struct snd_card *card; ak4113_write_t *write; ak4113_read_t *read; void *private_data; atomic_t wq_processing; struct mutex reinit_mutex; spinlock_t lock; unsigned char regmap[AK4113_WRITABLE_REGS]; struct snd_kcontrol *kctls[AK4113_CONTROLS]; struct snd_pcm_substream *substream; unsigned long errors[AK4113_NUM_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); #ifdef CONFIG_PM void snd_ak4113_suspend(struct ak4113 *chip); void snd_ak4113_resume(struct ak4113 *chip); #else static inline void snd_ak4113_suspend(struct ak4113 *chip) {} static inline void snd_ak4113_resume(struct ak4113 *chip) {} #endif #endif /* __SOUND_AK4113_H */