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linux/include/sound/ak4117.h
Thomas Gleixner 1a59d1b8e0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1334 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:35 -07:00

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/* 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 */
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