LXR linux/include/sound/ak4117.h

   1#ifndef __SOUND_AK4117_H
   2#define __SOUND_AK4117_H
   3
   4/*
   5 *  Routines for Asahi Kasei AK4117
   6 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>,
   7 *
   8 *
   9 *   This program is free software; you can redistribute it and/or modify
  10 *   it under the terms of the GNU General Public License as published by
  11 *   the Free Software Foundation; either version 2 of the License, or
  12 *   (at your option) any later version.
  13 *
  14 *   This program is distributed in the hope that it will be useful,
  15 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 *   GNU General Public License for more details.
  18 *
  19 *   You should have received a copy of the GNU General Public License
  20 *   along with this program; if not, write to the Free Software
  21 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  22 *
  23 */
  24
  25#define AK4117_REG_PWRDN        0x00    /* power down */
  26#define AK4117_REG_CLOCK        0x01    /* clock control */
  27#define AK4117_REG_IO           0x02    /* input/output control */
  28#define AK4117_REG_INT0_MASK    0x03    /* interrupt0 mask */
  29#define AK4117_REG_INT1_MASK    0x04    /* interrupt1 mask */
  30#define AK4117_REG_RCS0         0x05    /* receiver status 0 */
  31#define AK4117_REG_RCS1         0x06    /* receiver status 1 */
  32#define AK4117_REG_RCS2         0x07    /* receiver status 2 */
  33#define AK4117_REG_RXCSB0       0x08    /* RX channel status byte 0 */
  34#define AK4117_REG_RXCSB1       0x09    /* RX channel status byte 1 */
  35#define AK4117_REG_RXCSB2       0x0a    /* RX channel status byte 2 */
  36#define AK4117_REG_RXCSB3       0x0b    /* RX channel status byte 3 */
  37#define AK4117_REG_RXCSB4       0x0c    /* RX channel status byte 4 */
  38#define AK4117_REG_Pc0          0x0d    /* burst preamble Pc byte 0 */
  39#define AK4117_REG_Pc1          0x0e    /* burst preamble Pc byte 1 */
  40#define AK4117_REG_Pd0          0x0f    /* burst preamble Pd byte 0 */
  41#define AK4117_REG_Pd1          0x10    /* burst preamble Pd byte 1 */
  42#define AK4117_REG_QSUB_ADDR    0x11    /* Q-subcode address + control */
  43#define AK4117_REG_QSUB_TRACK   0x12    /* Q-subcode track */
  44#define AK4117_REG_QSUB_INDEX   0x13    /* Q-subcode index */
  45#define AK4117_REG_QSUB_MINUTE  0x14    /* Q-subcode minute */
  46#define AK4117_REG_QSUB_SECOND  0x15    /* Q-subcode second */
  47#define AK4117_REG_QSUB_FRAME   0x16    /* Q-subcode frame */
  48#define AK4117_REG_QSUB_ZERO    0x17    /* Q-subcode zero */
  49#define AK4117_REG_QSUB_ABSMIN  0x18    /* Q-subcode absolute minute */
  50#define AK4117_REG_QSUB_ABSSEC  0x19    /* Q-subcode absolute second */
  51#define AK4117_REG_QSUB_ABSFRM  0x1a    /* Q-subcode absolute frame */
  52
  53/* sizes */
  54#define AK4117_REG_RXCSB_SIZE   ((AK4117_REG_RXCSB4-AK4117_REG_RXCSB0)+1)
  55#define AK4117_REG_QSUB_SIZE    ((AK4117_REG_QSUB_ABSFRM-AK4117_REG_QSUB_ADDR)+1)
  56
  57/* AK4117_REG_PWRDN bits */
  58#define AK4117_EXCT             (1<<4)  /* 0 = X'tal mode, 1 = external clock mode */
  59#define AK4117_XTL1             (1<<3)  /* XTL1=0,XTL0=0 -> 11.2896Mhz; XTL1=0,XTL0=1 -> 12.288Mhz */
  60#define AK4117_XTL0             (1<<2)  /* XTL1=1,XTL0=0 -> 24.576Mhz; XTL1=1,XTL0=1 -> use channel status */
  61#define AK4117_XTL_11_2896M     (0)
  62#define AK4117_XTL_12_288M      AK4117_XTL0
  63#define AK4117_XTL_24_576M      AK4117_XTL1
  64#define AK4117_XTL_EXT          (AK4117_XTL1|AK4117_XTL0)
  65#define AK4117_PWN              (1<<1)  /* 0 = power down, 1 = normal operation */
  66#define AK4117_RST              (1<<0)  /* 0 = reset & initialize (except this register), 1 = normal operation */
  67
  68/* AK4117_REQ_CLOCK bits */
  69#define AK4117_LP               (1<<7)  /* 0 = normal mode, 1 = low power mode (Fs up to 48kHz only) */
  70#define AK4117_PKCS1            (1<<6)  /* master clock frequency at PLL mode (when LP == 0) */
  71#define AK4117_PKCS0            (1<<5)
  72#define AK4117_PKCS_512fs       (0)
  73#define AK4117_PKCS_256fs       AK4117_PKCS0
  74#define AK4117_PKCS_128fs       AK4117_PKCS1
  75#define AK4117_DIV              (1<<4)  /* 0 = MCKO == Fs, 1 = MCKO == Fs / 2; X'tal mode only */
  76#define AK4117_XCKS1            (1<<3)  /* master clock frequency at X'tal mode */
  77#define AK4117_XCKS0            (1<<2)
  78#define AK4117_XCKS_128fs       (0)
  79#define AK4117_XCKS_256fs       AK4117_XCKS0
  80#define AK4117_XCKS_512fs       AK4117_XCKS1
  81#define AK4117_XCKS_1024fs      (AK4117_XCKS1|AK4117_XCKS0)
  82#define AK4117_CM1              (1<<1)  /* MCKO operation mode select */
  83#define AK4117_CM0              (1<<0)
  84#define AK4117_CM_PLL           (0)             /* use RX input as master clock */
  85#define AK4117_CM_XTAL          (AK4117_CM0)    /* use X'tal as master clock */
  86#define AK4117_CM_PLL_XTAL      (AK4117_CM1)    /* use Rx input but X'tal when PLL loses lock */
  87#define AK4117_CM_MONITOR       (AK4117_CM0|AK4117_CM1) /* use X'tal as master clock, but use PLL for monitoring */
  88
  89/* AK4117_REG_IO */
  90#define AK4117_IPS              (1<<7)  /* Input Recovery Data Select, 0 = RX0, 1 = RX1 */
  91#define AK4117_UOUTE            (1<<6)  /* U-bit output enable to UOUT, 0 = disable, 1 = enable */
  92#define AK4117_CS12             (1<<5)  /* channel status select, 0 = channel1, 1 = channel2 */
  93#define AK4117_EFH2             (1<<4)  /* INT0 pin hold count select */
  94#define AK4117_EFH1             (1<<3)
  95#define AK4117_EFH_512LRCLK     (0)
  96#define AK4117_EFH_1024LRCLK    (AK4117_EFH1)
  97#define AK4117_EFH_2048LRCLK    (AK4117_EFH2)
  98#define AK4117_EFH_4096LRCLK    (AK4117_EFH1|AK4117_EFH2)
  99#define AK4117_DIF2             (1<<2)  /* audio data format control */
 100#define AK4117_DIF1             (1<<1)
 101#define AK4117_DIF0             (1<<0)
 102#define AK4117_DIF_16R          (0)                             /* STDO: 16-bit, right justified */
 103#define AK4117_DIF_18R          (AK4117_DIF0)                   /* STDO: 18-bit, right justified */
 104#define AK4117_DIF_20R          (AK4117_DIF1)                   /* STDO: 20-bit, right justified */
 105#define AK4117_DIF_24R          (AK4117_DIF1|AK4117_DIF0)       /* STDO: 24-bit, right justified */
 106#define AK4117_DIF_24L          (AK4117_DIF2)                   /* STDO: 24-bit, left justified */
 107#define AK4117_DIF_24I2S        (AK4117_DIF2|AK4117_DIF0)       /* STDO: I2S */
 108
 109/* AK4117_REG_INT0_MASK & AK4117_REG_INT1_MASK */
 110#define AK4117_MULK             (1<<7)  /* mask enable for UNLOCK bit */
 111#define AK4117_MPAR             (1<<6)  /* mask enable for PAR bit */
 112#define AK4117_MAUTO            (1<<5)  /* mask enable for AUTO bit */
 113#define AK4117_MV               (1<<4)  /* mask enable for V bit */
 114#define AK4117_MAUD             (1<<3)  /* mask enable for AUDION bit */
 115#define AK4117_MSTC             (1<<2)  /* mask enable for STC bit */
 116#define AK4117_MCIT             (1<<1)  /* mask enable for CINT bit */
 117#define AK4117_MQIT             (1<<0)  /* mask enable for QINT bit */
 118
 119/* AK4117_REG_RCS0 */
 120#define AK4117_UNLCK            (1<<7)  /* PLL lock status, 0 = lock, 1 = unlock */
 121#define AK4117_PAR              (1<<6)  /* parity error or biphase error status, 0 = no error, 1 = error */
 122#define AK4117_AUTO             (1<<5)  /* Non-PCM or DTS stream auto detection, 0 = no detect, 1 = detect */
 123#define AK4117_V                (1<<4)  /* Validity bit, 0 = valid, 1 = invalid */
 124#define AK4117_AUDION           (1<<3)  /* audio bit output, 0 = audio, 1 = non-audio */
 125#define AK4117_STC              (1<<2)  /* sampling frequency or Pre-emphasis change, 0 = no detect, 1 = detect */
 126#define AK4117_CINT             (1<<1)  /* channel status buffer interrupt, 0 = no change, 1 = change */
 127#define AK4117_QINT             (1<<0)  /* Q-subcode buffer interrupt, 0 = no change, 1 = changed */
 128
 129/* AK4117_REG_RCS1 */
 130#define AK4117_DTSCD            (1<<6)  /* DTS-CD bit audio stream detect, 0 = no detect, 1 = detect */
 131#define AK4117_NPCM             (1<<5)  /* Non-PCM bit stream detection, 0 = no detect, 1 = detect */
 132#define AK4117_PEM              (1<<4)  /* Pre-emphasis detect, 0 = OFF, 1 = ON */
 133#define AK4117_FS3              (1<<3)  /* sampling frequency detection */
 134#define AK4117_FS2              (1<<2)
 135#define AK4117_FS1              (1<<1)
 136#define AK4117_FS0              (1<<0)
 137#define AK4117_FS_44100HZ       (0)
 138#define AK4117_FS_48000HZ       (AK4117_FS1)
 139#define AK4117_FS_32000HZ       (AK4117_FS1|AK4117_FS0)
 140#define AK4117_FS_88200HZ       (AK4117_FS3)
 141#define AK4117_FS_96000HZ       (AK4117_FS3|AK4117_FS1)
 142#define AK4117_FS_176400HZ      (AK4117_FS3|AK4117_FS2)
 143#define AK4117_FS_192000HZ      (AK4117_FS3|AK4117_FS2|AK4117_FS1)
 144
 145/* AK4117_REG_RCS2 */
 146#define AK4117_CCRC             (1<<1)  /* CRC for channel status, 0 = no error, 1 = error */
 147#define AK4117_QCRC             (1<<0)  /* CRC for Q-subcode, 0 = no error, 1 = error */
 148
 149/* flags for snd_ak4117_check_rate_and_errors() */
 150#define AK4117_CHECK_NO_STAT    (1<<0)  /* no statistics */
 151#define AK4117_CHECK_NO_RATE    (1<<1)  /* no rate check */
 152
 153#define AK4117_CONTROLS         13
 154
 155typedef void (ak4117_write_t)(void *private_data, unsigned char addr, unsigned char data);
 156typedef unsigned char (ak4117_read_t)(void *private_data, unsigned char addr);
 157
 158struct ak4117 {
 159        struct snd_card *card;
 160        ak4117_write_t * write;
 161        ak4117_read_t * read;
 162        void * private_data;
 163        unsigned int init: 1;
 164        spinlock_t lock;
 165        unsigned char regmap[5];
 166        struct snd_kcontrol *kctls[AK4117_CONTROLS];
 167        struct snd_pcm_substream *substream;
 168        unsigned long parity_errors;
 169        unsigned long v_bit_errors;
 170        unsigned long qcrc_errors;
 171        unsigned long ccrc_errors;
 172        unsigned char rcs0;
 173        unsigned char rcs1;
 174        unsigned char rcs2;
 175        struct timer_list timer;        /* statistic timer */
 176        void *change_callback_private;
 177        void (*change_callback)(struct ak4117 *ak4117, unsigned char c0, unsigned char c1);
 178};
 179
 180int snd_ak4117_create(struct snd_card *card, ak4117_read_t *read, ak4117_write_t *write,
 181                      const unsigned char pgm[5], void *private_data, struct ak4117 **r_ak4117);
 182void snd_ak4117_reg_write(struct ak4117 *ak4117, unsigned char reg, unsigned char mask, unsigned char val);
 183void snd_ak4117_reinit(struct ak4117 *ak4117);
 184int snd_ak4117_build(struct ak4117 *ak4117, struct snd_pcm_substream *capture_substream);
 185int snd_ak4117_external_rate(struct ak4117 *ak4117);
 186int snd_ak4117_check_rate_and_errors(struct ak4117 *ak4117, unsigned int flags);
 187
 188#endif /* __SOUND_AK4117_H */
 189
 190