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Diffstat (limited to 'include/sound/ak4117.h')
| -rw-r--r-- | include/sound/ak4117.h | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/include/sound/ak4117.h b/include/sound/ak4117.h new file mode 100644 index 000000000..3f6bf74d9 --- /dev/null +++ b/include/sound/ak4117.h @@ -0,0 +1,179 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef __SOUND_AK4117_H +#define __SOUND_AK4117_H + +/* + * Routines for Asahi Kasei AK4117 + * Copyright (c) by Jaroslav Kysela <perex@perex.cz>, + */ + +#define AK4117_REG_PWRDN 0x00 /* power down */ +#define AK4117_REG_CLOCK 0x01 /* clock control */ +#define AK4117_REG_IO 0x02 /* input/output control */ +#define AK4117_REG_INT0_MASK 0x03 /* interrupt0 mask */ +#define AK4117_REG_INT1_MASK 0x04 /* interrupt1 mask */ +#define AK4117_REG_RCS0 0x05 /* receiver status 0 */ +#define AK4117_REG_RCS1 0x06 /* receiver status 1 */ +#define AK4117_REG_RCS2 0x07 /* receiver status 2 */ +#define AK4117_REG_RXCSB0 0x08 /* RX channel status byte 0 */ +#define AK4117_REG_RXCSB1 0x09 /* RX channel status byte 1 */ +#define AK4117_REG_RXCSB2 0x0a /* RX channel status byte 2 */ +#define AK4117_REG_RXCSB3 0x0b /* RX channel status byte 3 */ +#define AK4117_REG_RXCSB4 0x0c /* RX channel status byte 4 */ +#define AK4117_REG_Pc0 0x0d /* burst preamble Pc byte 0 */ +#define AK4117_REG_Pc1 0x0e /* burst preamble Pc byte 1 */ +#define AK4117_REG_Pd0 0x0f /* burst preamble Pd byte 0 */ +#define AK4117_REG_Pd1 0x10 /* burst preamble Pd byte 1 */ +#define AK4117_REG_QSUB_ADDR 0x11 /* Q-subcode address + control */ +#define AK4117_REG_QSUB_TRACK 0x12 /* Q-subcode track */ +#define AK4117_REG_QSUB_INDEX 0x13 /* Q-subcode index */ +#define AK4117_REG_QSUB_MINUTE 0x14 /* Q-subcode minute */ +#define AK4117_REG_QSUB_SECOND 0x15 /* Q-subcode second */ +#define AK4117_REG_QSUB_FRAME 0x16 /* Q-subcode frame */ +#define AK4117_REG_QSUB_ZERO 0x17 /* Q-subcode zero */ +#define AK4117_REG_QSUB_ABSMIN 0x18 /* Q-subcode absolute minute */ +#define AK4117_REG_QSUB_ABSSEC 0x19 /* Q-subcode absolute second */ +#define AK4117_REG_QSUB_ABSFRM 0x1a /* Q-subcode absolute frame */ + +/* sizes */ +#define AK4117_REG_RXCSB_SIZE ((AK4117_REG_RXCSB4-AK4117_REG_RXCSB0)+1) +#define AK4117_REG_QSUB_SIZE ((AK4117_REG_QSUB_ABSFRM-AK4117_REG_QSUB_ADDR)+1) + +/* AK4117_REG_PWRDN bits */ +#define AK4117_EXCT (1<<4) /* 0 = X'tal mode, 1 = external clock mode */ +#define AK4117_XTL1 (1<<3) /* XTL1=0,XTL0=0 -> 11.2896Mhz; XTL1=0,XTL0=1 -> 12.288Mhz */ +#define AK4117_XTL0 (1<<2) /* XTL1=1,XTL0=0 -> 24.576Mhz; XTL1=1,XTL0=1 -> use channel status */ +#define AK4117_XTL_11_2896M (0) +#define AK4117_XTL_12_288M AK4117_XTL0 +#define AK4117_XTL_24_576M AK4117_XTL1 +#define AK4117_XTL_EXT (AK4117_XTL1|AK4117_XTL0) +#define AK4117_PWN (1<<1) /* 0 = power down, 1 = normal operation */ +#define AK4117_RST (1<<0) /* 0 = reset & initialize (except this register), 1 = normal operation */ + +/* AK4117_REQ_CLOCK bits */ +#define AK4117_LP (1<<7) /* 0 = normal mode, 1 = low power mode (Fs up to 48kHz only) */ +#define AK4117_PKCS1 (1<<6) /* master clock frequency at PLL mode (when LP == 0) */ +#define AK4117_PKCS0 (1<<5) +#define AK4117_PKCS_512fs (0) +#define AK4117_PKCS_256fs AK4117_PKCS0 +#define AK4117_PKCS_128fs AK4117_PKCS1 +#define AK4117_DIV (1<<4) /* 0 = MCKO == Fs, 1 = MCKO == Fs / 2; X'tal mode only */ +#define AK4117_XCKS1 (1<<3) /* master clock frequency at X'tal mode */ +#define AK4117_XCKS0 (1<<2) +#define AK4117_XCKS_128fs (0) +#define AK4117_XCKS_256fs AK4117_XCKS0 +#define AK4117_XCKS_512fs AK4117_XCKS1 +#define AK4117_XCKS_1024fs (AK4117_XCKS1|AK4117_XCKS0) +#define AK4117_CM1 (1<<1) /* MCKO operation mode select */ +#define AK4117_CM0 (1<<0) +#define AK4117_CM_PLL (0) /* use RX input as master clock */ +#define AK4117_CM_XTAL (AK4117_CM0) /* use X'tal as master clock */ +#define AK4117_CM_PLL_XTAL (AK4117_CM1) /* use Rx input but X'tal when PLL loses lock */ +#define AK4117_CM_MONITOR (AK4117_CM0|AK4117_CM1) /* use X'tal as master clock, but use PLL for monitoring */ + +/* AK4117_REG_IO */ +#define AK4117_IPS (1<<7) /* Input Recovery Data Select, 0 = RX0, 1 = RX1 */ +#define AK4117_UOUTE (1<<6) /* U-bit output enable to UOUT, 0 = disable, 1 = enable */ +#define AK4117_CS12 (1<<5) /* channel status select, 0 = channel1, 1 = channel2 */ +#define AK4117_EFH2 (1<<4) /* INT0 pin hold count select */ +#define AK4117_EFH1 (1<<3) +#define AK4117_EFH_512LRCLK (0) +#define AK4117_EFH_1024LRCLK (AK4117_EFH1) +#define AK4117_EFH_2048LRCLK (AK4117_EFH2) +#define AK4117_EFH_4096LRCLK (AK4117_EFH1|AK4117_EFH2) +#define AK4117_DIF2 (1<<2) /* audio data format control */ +#define AK4117_DIF1 (1<<1) +#define AK4117_DIF0 (1<<0) +#define AK4117_DIF_16R (0) /* STDO: 16-bit, right justified */ +#define AK4117_DIF_18R (AK4117_DIF0) /* STDO: 18-bit, right justified */ +#define AK4117_DIF_20R (AK4117_DIF1) /* STDO: 20-bit, right justified */ +#define AK4117_DIF_24R (AK4117_DIF1|AK4117_DIF0) /* STDO: 24-bit, right justified */ +#define AK4117_DIF_24L (AK4117_DIF2) /* STDO: 24-bit, left justified */ +#define AK4117_DIF_24I2S (AK4117_DIF2|AK4117_DIF0) /* STDO: I2S */ + +/* AK4117_REG_INT0_MASK & AK4117_REG_INT1_MASK */ +#define AK4117_MULK (1<<7) /* mask enable for UNLOCK bit */ +#define AK4117_MPAR (1<<6) /* mask enable for PAR bit */ +#define AK4117_MAUTO (1<<5) /* mask enable for AUTO bit */ +#define AK4117_MV (1<<4) /* mask enable for V bit */ +#define AK4117_MAUD (1<<3) /* mask enable for AUDION bit */ +#define AK4117_MSTC (1<<2) /* mask enable for STC bit */ +#define AK4117_MCIT (1<<1) /* mask enable for CINT bit */ +#define AK4117_MQIT (1<<0) /* mask enable for QINT bit */ + +/* AK4117_REG_RCS0 */ +#define AK4117_UNLCK (1<<7) /* PLL lock status, 0 = lock, 1 = unlock */ +#define AK4117_PAR (1<<6) /* parity error or biphase error status, 0 = no error, 1 = error */ +#define AK4117_AUTO (1<<5) /* Non-PCM or DTS stream auto detection, 0 = no detect, 1 = detect */ +#define AK4117_V (1<<4) /* Validity bit, 0 = valid, 1 = invalid */ +#define AK4117_AUDION (1<<3) /* audio bit output, 0 = audio, 1 = non-audio */ +#define AK4117_STC (1<<2) /* sampling frequency or Pre-emphasis change, 0 = no detect, 1 = detect */ +#define AK4117_CINT (1<<1) /* channel status buffer interrupt, 0 = no change, 1 = change */ +#define AK4117_QINT (1<<0) /* Q-subcode buffer interrupt, 0 = no change, 1 = changed */ + +/* AK4117_REG_RCS1 */ +#define AK4117_DTSCD (1<<6) /* DTS-CD bit audio stream detect, 0 = no detect, 1 = detect */ +#define AK4117_NPCM (1<<5) /* Non-PCM bit stream detection, 0 = no detect, 1 = detect */ +#define AK4117_PEM (1<<4) /* Pre-emphasis detect, 0 = OFF, 1 = ON */ +#define AK4117_FS3 (1<<3) /* sampling frequency detection */ +#define AK4117_FS2 (1<<2) +#define AK4117_FS1 (1<<1) +#define AK4117_FS0 (1<<0) +#define AK4117_FS_44100HZ (0) +#define AK4117_FS_48000HZ (AK4117_FS1) +#define AK4117_FS_32000HZ (AK4117_FS1|AK4117_FS0) +#define AK4117_FS_88200HZ (AK4117_FS3) +#define AK4117_FS_96000HZ (AK4117_FS3|AK4117_FS1) +#define AK4117_FS_176400HZ (AK4117_FS3|AK4117_FS2) +#define AK4117_FS_192000HZ (AK4117_FS3|AK4117_FS2|AK4117_FS1) + +/* AK4117_REG_RCS2 */ +#define AK4117_CCRC (1<<1) /* CRC for channel status, 0 = no error, 1 = error */ +#define AK4117_QCRC (1<<0) /* CRC for Q-subcode, 0 = no error, 1 = error */ + +/* flags for snd_ak4117_check_rate_and_errors() */ +#define AK4117_CHECK_NO_STAT (1<<0) /* no statistics */ +#define AK4117_CHECK_NO_RATE (1<<1) /* no rate check */ + +#define AK4117_CONTROLS 13 + +typedef void (ak4117_write_t)(void *private_data, unsigned char addr, unsigned char data); +typedef unsigned char (ak4117_read_t)(void *private_data, unsigned char addr); + +enum { + AK4117_PARITY_ERRORS, + AK4117_V_BIT_ERRORS, + AK4117_QCRC_ERRORS, + AK4117_CCRC_ERRORS, + AK4117_NUM_ERRORS +}; + +struct ak4117 { + struct snd_card *card; + ak4117_write_t * write; + ak4117_read_t * read; + void * private_data; + unsigned int init: 1; + spinlock_t lock; + unsigned char regmap[5]; + struct snd_kcontrol *kctls[AK4117_CONTROLS]; + struct snd_pcm_substream *substream; + unsigned long errors[AK4117_NUM_ERRORS]; + unsigned char rcs0; + unsigned char rcs1; + unsigned char rcs2; + struct timer_list timer; /* statistic timer */ + void *change_callback_private; + void (*change_callback)(struct ak4117 *ak4117, unsigned char c0, unsigned char c1); +}; + +int snd_ak4117_create(struct snd_card *card, ak4117_read_t *read, ak4117_write_t *write, + const unsigned char pgm[5], void *private_data, struct ak4117 **r_ak4117); +void snd_ak4117_reg_write(struct ak4117 *ak4117, unsigned char reg, unsigned char mask, unsigned char val); +void snd_ak4117_reinit(struct ak4117 *ak4117); +int snd_ak4117_build(struct ak4117 *ak4117, struct snd_pcm_substream *capture_substream); +int snd_ak4117_external_rate(struct ak4117 *ak4117); +int snd_ak4117_check_rate_and_errors(struct ak4117 *ak4117, unsigned int flags); + +#endif /* __SOUND_AK4117_H */ + |