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Diffstat (limited to 'include/sound/ak4114.h')
| -rw-r--r-- | include/sound/ak4114.h | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/include/sound/ak4114.h b/include/sound/ak4114.h new file mode 100644 index 000000000..c478a806f --- /dev/null +++ b/include/sound/ak4114.h @@ -0,0 +1,202 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef __SOUND_AK4114_H +#define __SOUND_AK4114_H + +/* + * Routines for Asahi Kasei AK4114 + * Copyright (c) by Jaroslav Kysela <perex@perex.cz>, + */ + +/* 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<<6) /* 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<<6) /* Output Data Selector for TX1 pin */ +#define AK4114_OPS11 (1<<5) /* Output Data Selector for TX1 pin */ +#define AK4114_OPS10 (1<<4) /* Output Data Selector for TX1 pin */ +#define AK4114_TX0E (1<<3) /* TX0 Output Enable (1 = enable) */ +#define AK4114_OPS02 (1<<2) /* Output Data Selector for TX0 pin */ +#define AK4114_OPS01 (1<<1) /* Output Data Selector for TX0 pin */ +#define AK4114_OPS00 (1<<0) /* Output 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 15 + +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); + +enum { + AK4114_PARITY_ERRORS, + AK4114_V_BIT_ERRORS, + AK4114_QCRC_ERRORS, + AK4114_CCRC_ERRORS, + AK4114_NUM_ERRORS +}; + +struct ak4114 { + struct snd_card *card; + ak4114_write_t * write; + ak4114_read_t * read; + void * private_data; + atomic_t wq_processing; + struct mutex reinit_mutex; + spinlock_t lock; + unsigned char regmap[6]; + unsigned char txcsb[5]; + struct snd_kcontrol *kctls[AK4114_CONTROLS]; + struct snd_pcm_substream *playback_substream; + struct snd_pcm_substream *capture_substream; + unsigned long errors[AK4114_NUM_ERRORS]; + unsigned char rcs0; + unsigned char rcs1; + struct delayed_work work; + unsigned int check_flags; + 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, + const unsigned char pgm[6], const 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); + +#ifdef CONFIG_PM +void snd_ak4114_suspend(struct ak4114 *chip); +void snd_ak4114_resume(struct ak4114 *chip); +#else +static inline void snd_ak4114_suspend(struct ak4114 *chip) {} +static inline void snd_ak4114_resume(struct ak4114 *chip) {} +#endif + +#endif /* __SOUND_AK4114_H */ + |