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Diffstat (limited to '')
| -rw-r--r-- | include/sound/ak4113.h | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/include/sound/ak4113.h b/include/sound/ak4113.h new file mode 100644 index 0000000000..9ac342ba86 --- /dev/null +++ b/include/sound/ak4113.h @@ -0,0 +1,320 @@ +/* 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 */ + |