| #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); |
| |
| 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 */ |
| |
