1 | /* SPDX-License-Identifier: GPL-2.0-or-later */
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2 | #ifndef __SOUND_AK4117_H
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3 | #define __SOUND_AK4117_H
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4 |
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5 | /*
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6 | * Routines for Asahi Kasei AK4117
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7 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz>,
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8 | */
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9 |
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10 | #define AK4117_REG_PWRDN 0x00 /* power down */
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11 | #define AK4117_REG_CLOCK 0x01 /* clock control */
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12 | #define AK4117_REG_IO 0x02 /* input/output control */
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13 | #define AK4117_REG_INT0_MASK 0x03 /* interrupt0 mask */
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14 | #define AK4117_REG_INT1_MASK 0x04 /* interrupt1 mask */
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15 | #define AK4117_REG_RCS0 0x05 /* receiver status 0 */
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16 | #define AK4117_REG_RCS1 0x06 /* receiver status 1 */
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17 | #define AK4117_REG_RCS2 0x07 /* receiver status 2 */
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18 | #define AK4117_REG_RXCSB0 0x08 /* RX channel status byte 0 */
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19 | #define AK4117_REG_RXCSB1 0x09 /* RX channel status byte 1 */
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20 | #define AK4117_REG_RXCSB2 0x0a /* RX channel status byte 2 */
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21 | #define AK4117_REG_RXCSB3 0x0b /* RX channel status byte 3 */
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22 | #define AK4117_REG_RXCSB4 0x0c /* RX channel status byte 4 */
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23 | #define AK4117_REG_Pc0 0x0d /* burst preamble Pc byte 0 */
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24 | #define AK4117_REG_Pc1 0x0e /* burst preamble Pc byte 1 */
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25 | #define AK4117_REG_Pd0 0x0f /* burst preamble Pd byte 0 */
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26 | #define AK4117_REG_Pd1 0x10 /* burst preamble Pd byte 1 */
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27 | #define AK4117_REG_QSUB_ADDR 0x11 /* Q-subcode address + control */
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28 | #define AK4117_REG_QSUB_TRACK 0x12 /* Q-subcode track */
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29 | #define AK4117_REG_QSUB_INDEX 0x13 /* Q-subcode index */
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30 | #define AK4117_REG_QSUB_MINUTE 0x14 /* Q-subcode minute */
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31 | #define AK4117_REG_QSUB_SECOND 0x15 /* Q-subcode second */
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32 | #define AK4117_REG_QSUB_FRAME 0x16 /* Q-subcode frame */
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33 | #define AK4117_REG_QSUB_ZERO 0x17 /* Q-subcode zero */
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34 | #define AK4117_REG_QSUB_ABSMIN 0x18 /* Q-subcode absolute minute */
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35 | #define AK4117_REG_QSUB_ABSSEC 0x19 /* Q-subcode absolute second */
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36 | #define AK4117_REG_QSUB_ABSFRM 0x1a /* Q-subcode absolute frame */
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37 |
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38 | /* sizes */
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39 | #define AK4117_REG_RXCSB_SIZE ((AK4117_REG_RXCSB4-AK4117_REG_RXCSB0)+1)
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40 | #define AK4117_REG_QSUB_SIZE ((AK4117_REG_QSUB_ABSFRM-AK4117_REG_QSUB_ADDR)+1)
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41 |
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42 | /* AK4117_REG_PWRDN bits */
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43 | #define AK4117_EXCT (1<<4) /* 0 = X'tal mode, 1 = external clock mode */
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44 | #define AK4117_XTL1 (1<<3) /* XTL1=0,XTL0=0 -> 11.2896Mhz; XTL1=0,XTL0=1 -> 12.288Mhz */
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45 | #define AK4117_XTL0 (1<<2) /* XTL1=1,XTL0=0 -> 24.576Mhz; XTL1=1,XTL0=1 -> use channel status */
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46 | #define AK4117_XTL_11_2896M (0)
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47 | #define AK4117_XTL_12_288M AK4117_XTL0
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48 | #define AK4117_XTL_24_576M AK4117_XTL1
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49 | #define AK4117_XTL_EXT (AK4117_XTL1|AK4117_XTL0)
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50 | #define AK4117_PWN (1<<1) /* 0 = power down, 1 = normal operation */
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51 | #define AK4117_RST (1<<0) /* 0 = reset & initialize (except this register), 1 = normal operation */
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52 |
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53 | /* AK4117_REQ_CLOCK bits */
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54 | #define AK4117_LP (1<<7) /* 0 = normal mode, 1 = low power mode (Fs up to 48kHz only) */
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55 | #define AK4117_PKCS1 (1<<6) /* master clock frequency at PLL mode (when LP == 0) */
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56 | #define AK4117_PKCS0 (1<<5)
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57 | #define AK4117_PKCS_512fs (0)
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58 | #define AK4117_PKCS_256fs AK4117_PKCS0
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59 | #define AK4117_PKCS_128fs AK4117_PKCS1
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60 | #define AK4117_DIV (1<<4) /* 0 = MCKO == Fs, 1 = MCKO == Fs / 2; X'tal mode only */
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61 | #define AK4117_XCKS1 (1<<3) /* master clock frequency at X'tal mode */
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62 | #define AK4117_XCKS0 (1<<2)
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63 | #define AK4117_XCKS_128fs (0)
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64 | #define AK4117_XCKS_256fs AK4117_XCKS0
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65 | #define AK4117_XCKS_512fs AK4117_XCKS1
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66 | #define AK4117_XCKS_1024fs (AK4117_XCKS1|AK4117_XCKS0)
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67 | #define AK4117_CM1 (1<<1) /* MCKO operation mode select */
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68 | #define AK4117_CM0 (1<<0)
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69 | #define AK4117_CM_PLL (0) /* use RX input as master clock */
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70 | #define AK4117_CM_XTAL (AK4117_CM0) /* use X'tal as master clock */
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71 | #define AK4117_CM_PLL_XTAL (AK4117_CM1) /* use Rx input but X'tal when PLL loses lock */
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72 | #define AK4117_CM_MONITOR (AK4117_CM0|AK4117_CM1) /* use X'tal as master clock, but use PLL for monitoring */
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73 |
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74 | /* AK4117_REG_IO */
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75 | #define AK4117_IPS (1<<7) /* Input Recovery Data Select, 0 = RX0, 1 = RX1 */
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76 | #define AK4117_UOUTE (1<<6) /* U-bit output enable to UOUT, 0 = disable, 1 = enable */
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77 | #define AK4117_CS12 (1<<5) /* channel status select, 0 = channel1, 1 = channel2 */
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78 | #define AK4117_EFH2 (1<<4) /* INT0 pin hold count select */
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79 | #define AK4117_EFH1 (1<<3)
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80 | #define AK4117_EFH_512LRCLK (0)
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81 | #define AK4117_EFH_1024LRCLK (AK4117_EFH1)
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82 | #define AK4117_EFH_2048LRCLK (AK4117_EFH2)
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83 | #define AK4117_EFH_4096LRCLK (AK4117_EFH1|AK4117_EFH2)
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84 | #define AK4117_DIF2 (1<<2) /* audio data format control */
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85 | #define AK4117_DIF1 (1<<1)
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86 | #define AK4117_DIF0 (1<<0)
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87 | #define AK4117_DIF_16R (0) /* STDO: 16-bit, right justified */
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88 | #define AK4117_DIF_18R (AK4117_DIF0) /* STDO: 18-bit, right justified */
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89 | #define AK4117_DIF_20R (AK4117_DIF1) /* STDO: 20-bit, right justified */
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90 | #define AK4117_DIF_24R (AK4117_DIF1|AK4117_DIF0) /* STDO: 24-bit, right justified */
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91 | #define AK4117_DIF_24L (AK4117_DIF2) /* STDO: 24-bit, left justified */
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92 | #define AK4117_DIF_24I2S (AK4117_DIF2|AK4117_DIF0) /* STDO: I2S */
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93 |
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94 | /* AK4117_REG_INT0_MASK & AK4117_REG_INT1_MASK */
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95 | #define AK4117_MULK (1<<7) /* mask enable for UNLOCK bit */
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96 | #define AK4117_MPAR (1<<6) /* mask enable for PAR bit */
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97 | #define AK4117_MAUTO (1<<5) /* mask enable for AUTO bit */
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98 | #define AK4117_MV (1<<4) /* mask enable for V bit */
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99 | #define AK4117_MAUD (1<<3) /* mask enable for AUDION bit */
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100 | #define AK4117_MSTC (1<<2) /* mask enable for STC bit */
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101 | #define AK4117_MCIT (1<<1) /* mask enable for CINT bit */
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102 | #define AK4117_MQIT (1<<0) /* mask enable for QINT bit */
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103 |
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104 | /* AK4117_REG_RCS0 */
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105 | #define AK4117_UNLCK (1<<7) /* PLL lock status, 0 = lock, 1 = unlock */
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106 | #define AK4117_PAR (1<<6) /* parity error or biphase error status, 0 = no error, 1 = error */
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107 | #define AK4117_AUTO (1<<5) /* Non-PCM or DTS stream auto detection, 0 = no detect, 1 = detect */
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108 | #define AK4117_V (1<<4) /* Validity bit, 0 = valid, 1 = invalid */
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109 | #define AK4117_AUDION (1<<3) /* audio bit output, 0 = audio, 1 = non-audio */
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110 | #define AK4117_STC (1<<2) /* sampling frequency or Pre-emphasis change, 0 = no detect, 1 = detect */
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111 | #define AK4117_CINT (1<<1) /* channel status buffer interrupt, 0 = no change, 1 = change */
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112 | #define AK4117_QINT (1<<0) /* Q-subcode buffer interrupt, 0 = no change, 1 = changed */
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113 |
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114 | /* AK4117_REG_RCS1 */
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115 | #define AK4117_DTSCD (1<<6) /* DTS-CD bit audio stream detect, 0 = no detect, 1 = detect */
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116 | #define AK4117_NPCM (1<<5) /* Non-PCM bit stream detection, 0 = no detect, 1 = detect */
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117 | #define AK4117_PEM (1<<4) /* Pre-emphasis detect, 0 = OFF, 1 = ON */
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118 | #define AK4117_FS3 (1<<3) /* sampling frequency detection */
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119 | #define AK4117_FS2 (1<<2)
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120 | #define AK4117_FS1 (1<<1)
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121 | #define AK4117_FS0 (1<<0)
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122 | #define AK4117_FS_44100HZ (0)
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123 | #define AK4117_FS_48000HZ (AK4117_FS1)
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124 | #define AK4117_FS_32000HZ (AK4117_FS1|AK4117_FS0)
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125 | #define AK4117_FS_88200HZ (AK4117_FS3)
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126 | #define AK4117_FS_96000HZ (AK4117_FS3|AK4117_FS1)
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127 | #define AK4117_FS_176400HZ (AK4117_FS3|AK4117_FS2)
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128 | #define AK4117_FS_192000HZ (AK4117_FS3|AK4117_FS2|AK4117_FS1)
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129 |
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130 | /* AK4117_REG_RCS2 */
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131 | #define AK4117_CCRC (1<<1) /* CRC for channel status, 0 = no error, 1 = error */
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132 | #define AK4117_QCRC (1<<0) /* CRC for Q-subcode, 0 = no error, 1 = error */
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133 |
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134 | /* flags for snd_ak4117_check_rate_and_errors() */
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135 | #define AK4117_CHECK_NO_STAT (1<<0) /* no statistics */
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136 | #define AK4117_CHECK_NO_RATE (1<<1) /* no rate check */
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137 |
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138 | #define AK4117_CONTROLS 13
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139 |
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140 | typedef void (ak4117_write_t)(void *private_data, unsigned char addr, unsigned char data);
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141 | typedef unsigned char (ak4117_read_t)(void *private_data, unsigned char addr);
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142 |
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143 | enum {
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144 | AK4117_PARITY_ERRORS,
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145 | AK4117_V_BIT_ERRORS,
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146 | AK4117_QCRC_ERRORS,
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147 | AK4117_CCRC_ERRORS,
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148 | AK4117_NUM_ERRORS
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149 | };
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150 |
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151 | struct ak4117 {
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152 | struct snd_card *card;
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153 | ak4117_write_t * write;
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154 | ak4117_read_t * read;
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155 | void * private_data;
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156 | unsigned int init: 1;
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157 | spinlock_t lock;
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158 | unsigned char regmap[5];
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159 | struct snd_kcontrol *kctls[AK4117_CONTROLS];
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160 | struct snd_pcm_substream *substream;
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161 | unsigned long errors[AK4117_NUM_ERRORS];
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162 | unsigned char rcs0;
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163 | unsigned char rcs1;
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164 | unsigned char rcs2;
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165 | struct timer_list timer; /* statistic timer */
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166 | void *change_callback_private;
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167 | void (*change_callback)(struct ak4117 *ak4117, unsigned char c0, unsigned char c1);
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168 | };
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169 |
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170 | int snd_ak4117_create(struct snd_card *card, ak4117_read_t *read, ak4117_write_t *write,
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171 | const unsigned char pgm[5], void *private_data, struct ak4117 **r_ak4117);
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172 | void snd_ak4117_reg_write(struct ak4117 *ak4117, unsigned char reg, unsigned char mask, unsigned char val);
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173 | void snd_ak4117_reinit(struct ak4117 *ak4117);
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174 | int snd_ak4117_build(struct ak4117 *ak4117, struct snd_pcm_substream *capture_substream);
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175 | int snd_ak4117_external_rate(struct ak4117 *ak4117);
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176 | int snd_ak4117_check_rate_and_errors(struct ak4117 *ak4117, unsigned int flags);
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177 |
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178 | #endif /* __SOUND_AK4117_H */
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179 |
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