Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __SOUND_AK4114_H |
| 2 | #define __SOUND_AK4114_H |
| 3 | |
| 4 | /* |
| 5 | * Routines for Asahi Kasei AK4114 |
| 6 | * Copyright (c) by Jaroslav Kysela <perex@suse.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 | /* AK4114 registers */ |
| 26 | #define AK4114_REG_PWRDN 0x00 /* power down */ |
| 27 | #define AK4114_REG_FORMAT 0x01 /* format control */ |
| 28 | #define AK4114_REG_IO0 0x02 /* input/output control */ |
| 29 | #define AK4114_REG_IO1 0x03 /* input/output control */ |
| 30 | #define AK4114_REG_INT0_MASK 0x04 /* interrupt0 mask */ |
| 31 | #define AK4114_REG_INT1_MASK 0x05 /* interrupt1 mask */ |
| 32 | #define AK4114_REG_RCS0 0x06 /* receiver status 0 */ |
| 33 | #define AK4114_REG_RCS1 0x07 /* receiver status 1 */ |
| 34 | #define AK4114_REG_RXCSB0 0x08 /* RX channel status byte 0 */ |
| 35 | #define AK4114_REG_RXCSB1 0x09 /* RX channel status byte 1 */ |
| 36 | #define AK4114_REG_RXCSB2 0x0a /* RX channel status byte 2 */ |
| 37 | #define AK4114_REG_RXCSB3 0x0b /* RX channel status byte 3 */ |
| 38 | #define AK4114_REG_RXCSB4 0x0c /* RX channel status byte 4 */ |
| 39 | #define AK4114_REG_TXCSB0 0x0d /* TX channel status byte 0 */ |
| 40 | #define AK4114_REG_TXCSB1 0x0e /* TX channel status byte 1 */ |
| 41 | #define AK4114_REG_TXCSB2 0x0f /* TX channel status byte 2 */ |
| 42 | #define AK4114_REG_TXCSB3 0x10 /* TX channel status byte 3 */ |
| 43 | #define AK4114_REG_TXCSB4 0x11 /* TX channel status byte 4 */ |
| 44 | #define AK4114_REG_Pc0 0x12 /* burst preamble Pc byte 0 */ |
| 45 | #define AK4114_REG_Pc1 0x13 /* burst preamble Pc byte 1 */ |
| 46 | #define AK4114_REG_Pd0 0x14 /* burst preamble Pd byte 0 */ |
| 47 | #define AK4114_REG_Pd1 0x15 /* burst preamble Pd byte 1 */ |
| 48 | #define AK4114_REG_QSUB_ADDR 0x16 /* Q-subcode address + control */ |
| 49 | #define AK4114_REG_QSUB_TRACK 0x17 /* Q-subcode track */ |
| 50 | #define AK4114_REG_QSUB_INDEX 0x18 /* Q-subcode index */ |
| 51 | #define AK4114_REG_QSUB_MINUTE 0x19 /* Q-subcode minute */ |
| 52 | #define AK4114_REG_QSUB_SECOND 0x1a /* Q-subcode second */ |
| 53 | #define AK4114_REG_QSUB_FRAME 0x1b /* Q-subcode frame */ |
| 54 | #define AK4114_REG_QSUB_ZERO 0x1c /* Q-subcode zero */ |
| 55 | #define AK4114_REG_QSUB_ABSMIN 0x1d /* Q-subcode absolute minute */ |
| 56 | #define AK4114_REG_QSUB_ABSSEC 0x1e /* Q-subcode absolute second */ |
| 57 | #define AK4114_REG_QSUB_ABSFRM 0x1f /* Q-subcode absolute frame */ |
| 58 | |
| 59 | /* sizes */ |
| 60 | #define AK4114_REG_RXCSB_SIZE ((AK4114_REG_RXCSB4-AK4114_REG_RXCSB0)+1) |
| 61 | #define AK4114_REG_TXCSB_SIZE ((AK4114_REG_TXCSB4-AK4114_REG_TXCSB0)+1) |
| 62 | #define AK4114_REG_QSUB_SIZE ((AK4114_REG_QSUB_ABSFRM-AK4114_REG_QSUB_ADDR)+1) |
| 63 | |
| 64 | /* AK4117_REG_PWRDN bits */ |
| 65 | #define AK4114_CS12 (1<<7) /* Channel Status Select */ |
| 66 | #define AK4114_BCU (1<<6) /* Block Start & C/U Output Mode */ |
| 67 | #define AK4114_CM1 (1<<5) /* Master Clock Operation Select */ |
| 68 | #define AK4114_CM0 (1<<4) /* Master Clock Operation Select */ |
| 69 | #define AK4114_OCKS1 (1<<3) /* Master Clock Frequency Select */ |
| 70 | #define AK4114_OCKS0 (1<<2) /* Master Clock Frequency Select */ |
| 71 | #define AK4114_PWN (1<<1) /* 0 = power down, 1 = normal operation */ |
| 72 | #define AK4114_RST (1<<0) /* 0 = reset & initialize (except this register), 1 = normal operation */ |
| 73 | |
| 74 | /* AK4114_REQ_FORMAT bits */ |
| 75 | #define AK4114_MONO (1<<7) /* Double Sampling Frequency Mode: 0 = stereo, 1 = mono */ |
| 76 | #define AK4114_DIF2 (1<<5) /* Audio Data Control */ |
| 77 | #define AK4114_DIF1 (1<<5) /* Audio Data Control */ |
| 78 | #define AK4114_DIF0 (1<<4) /* Audio Data Control */ |
| 79 | #define AK4114_DIF_16R (0) /* STDO: 16-bit, right justified */ |
| 80 | #define AK4114_DIF_18R (AK4114_DIF0) /* STDO: 18-bit, right justified */ |
| 81 | #define AK4114_DIF_20R (AK4114_DIF1) /* STDO: 20-bit, right justified */ |
| 82 | #define AK4114_DIF_24R (AK4114_DIF1|AK4114_DIF0) /* STDO: 24-bit, right justified */ |
| 83 | #define AK4114_DIF_24L (AK4114_DIF2) /* STDO: 24-bit, left justified */ |
| 84 | #define AK4114_DIF_24I2S (AK4114_DIF2|AK4114_DIF0) /* STDO: I2S */ |
| 85 | #define AK4114_DIF_I24L (AK4114_DIF2|AK4114_DIF1) /* STDO: 24-bit, left justified; LRCLK, BICK = Input */ |
| 86 | #define AK4114_DIF_I24I2S (AK4114_DIF2|AK4114_DIF1|AK4114_DIF0) /* STDO: I2S; LRCLK, BICK = Input */ |
| 87 | #define AK4114_DEAU (1<<3) /* Deemphasis Autodetect Enable (1 = enable) */ |
| 88 | #define AK4114_DEM1 (1<<2) /* 32kHz-48kHz Deemphasis Control */ |
| 89 | #define AK4114_DEM0 (1<<1) /* 32kHz-48kHz Deemphasis Control */ |
| 90 | #define AK4114_DEM_44KHZ (0) |
| 91 | #define AK4114_DEM_48KHZ (AK4114_DEM1) |
| 92 | #define AK4114_DEM_32KHZ (AK4114_DEM0|AK4114_DEM1) |
| 93 | #define AK4114_DEM_96KHZ (AK4114_DEM1) /* DFS must be set */ |
| 94 | #define AK4114_DFS (1<<0) /* 96kHz Deemphasis Control */ |
| 95 | |
| 96 | /* AK4114_REG_IO0 */ |
| 97 | #define AK4114_TX1E (1<<7) /* TX1 Output Enable (1 = enable) */ |
| 98 | #define AK4114_OPS12 (1<<2) /* Output Though Data Selector for TX1 pin */ |
| 99 | #define AK4114_OPS11 (1<<1) /* Output Though Data Selector for TX1 pin */ |
| 100 | #define AK4114_OPS10 (1<<0) /* Output Though Data Selector for TX1 pin */ |
| 101 | #define AK4114_TX0E (1<<3) /* TX0 Output Enable (1 = enable) */ |
| 102 | #define AK4114_OPS02 (1<<2) /* Output Though Data Selector for TX0 pin */ |
| 103 | #define AK4114_OPS01 (1<<1) /* Output Though Data Selector for TX0 pin */ |
| 104 | #define AK4114_OPS00 (1<<0) /* Output Though Data Selector for TX0 pin */ |
| 105 | |
| 106 | /* AK4114_REG_IO1 */ |
| 107 | #define AK4114_EFH1 (1<<7) /* Interrupt 0 pin Hold */ |
| 108 | #define AK4114_EFH0 (1<<6) /* Interrupt 0 pin Hold */ |
| 109 | #define AK4114_EFH_512 (0) |
| 110 | #define AK4114_EFH_1024 (AK4114_EFH0) |
| 111 | #define AK4114_EFH_2048 (AK4114_EFH1) |
| 112 | #define AK4114_EFH_4096 (AK4114_EFH1|AK4114_EFH0) |
| 113 | #define AK4114_UDIT (1<<5) /* U-bit Control for DIT (0 = fixed '0', 1 = recovered) */ |
| 114 | #define AK4114_TLR (1<<4) /* Double Sampling Frequency Select for DIT (0 = L channel, 1 = R channel) */ |
| 115 | #define AK4114_DIT (1<<3) /* TX1 out: 0 = Through Data (RX data), 1 = Transmit Data (DAUX data) */ |
| 116 | #define AK4114_IPS2 (1<<2) /* Input Recovery Data Select */ |
| 117 | #define AK4114_IPS1 (1<<1) /* Input Recovery Data Select */ |
| 118 | #define AK4114_IPS0 (1<<0) /* Input Recovery Data Select */ |
| 119 | #define AK4114_IPS(x) ((x)&7) |
| 120 | |
| 121 | /* AK4114_REG_INT0_MASK && AK4114_REG_INT1_MASK*/ |
| 122 | #define AK4117_MQI (1<<7) /* mask enable for QINT bit */ |
| 123 | #define AK4117_MAT (1<<6) /* mask enable for AUTO bit */ |
| 124 | #define AK4117_MCI (1<<5) /* mask enable for CINT bit */ |
| 125 | #define AK4117_MUL (1<<4) /* mask enable for UNLOCK bit */ |
| 126 | #define AK4117_MDTS (1<<3) /* mask enable for DTSCD bit */ |
| 127 | #define AK4117_MPE (1<<2) /* mask enable for PEM bit */ |
| 128 | #define AK4117_MAN (1<<1) /* mask enable for AUDN bit */ |
| 129 | #define AK4117_MPR (1<<0) /* mask enable for PAR bit */ |
| 130 | |
| 131 | /* AK4114_REG_RCS0 */ |
| 132 | #define AK4114_QINT (1<<7) /* Q-subcode buffer interrupt, 0 = no change, 1 = changed */ |
| 133 | #define AK4114_AUTO (1<<6) /* Non-PCM or DTS stream auto detection, 0 = no detect, 1 = detect */ |
| 134 | #define AK4114_CINT (1<<5) /* channel status buffer interrupt, 0 = no change, 1 = change */ |
| 135 | #define AK4114_UNLCK (1<<4) /* PLL lock status, 0 = lock, 1 = unlock */ |
| 136 | #define AK4114_DTSCD (1<<3) /* DTS-CD Detect, 0 = No detect, 1 = Detect */ |
| 137 | #define AK4114_PEM (1<<2) /* Pre-emphasis Detect, 0 = OFF, 1 = ON */ |
| 138 | #define AK4114_AUDION (1<<1) /* audio bit output, 0 = audio, 1 = non-audio */ |
| 139 | #define AK4114_PAR (1<<0) /* parity error or biphase error status, 0 = no error, 1 = error */ |
| 140 | |
| 141 | /* AK4114_REG_RCS1 */ |
| 142 | #define AK4114_FS3 (1<<7) /* sampling frequency detection */ |
| 143 | #define AK4114_FS2 (1<<6) |
| 144 | #define AK4114_FS1 (1<<5) |
| 145 | #define AK4114_FS0 (1<<4) |
| 146 | #define AK4114_FS_44100HZ (0) |
| 147 | #define AK4114_FS_48000HZ (AK4114_FS1) |
| 148 | #define AK4114_FS_32000HZ (AK4114_FS1|AK4114_FS0) |
| 149 | #define AK4114_FS_88200HZ (AK4114_FS3) |
| 150 | #define AK4114_FS_96000HZ (AK4114_FS3|AK4114_FS1) |
| 151 | #define AK4114_FS_176400HZ (AK4114_FS3|AK4114_FS2) |
| 152 | #define AK4114_FS_192000HZ (AK4114_FS3|AK4114_FS2|AK4114_FS1) |
| 153 | #define AK4114_V (1<<3) /* Validity of Channel Status, 0 = Valid, 1 = Invalid */ |
| 154 | #define AK4114_QCRC (1<<1) /* CRC for Q-subcode, 0 = no error, 1 = error */ |
| 155 | #define AK4114_CCRC (1<<0) /* CRC for channel status, 0 = no error, 1 = error */ |
| 156 | |
| 157 | /* flags for snd_ak4114_check_rate_and_errors() */ |
| 158 | #define AK4114_CHECK_NO_STAT (1<<0) /* no statistics */ |
| 159 | #define AK4114_CHECK_NO_RATE (1<<1) /* no rate check */ |
| 160 | |
| 161 | #define AK4114_CONTROLS 14 |
| 162 | |
| 163 | typedef void (ak4114_write_t)(void *private_data, unsigned char addr, unsigned char data); |
| 164 | typedef unsigned char (ak4114_read_t)(void *private_data, unsigned char addr); |
| 165 | |
| 166 | typedef struct ak4114 ak4114_t; |
| 167 | |
| 168 | struct ak4114 { |
| 169 | snd_card_t * card; |
| 170 | ak4114_write_t * write; |
| 171 | ak4114_read_t * read; |
| 172 | void * private_data; |
| 173 | unsigned int init: 1; |
| 174 | spinlock_t lock; |
| 175 | unsigned char regmap[7]; |
| 176 | unsigned char txcsb[5]; |
| 177 | snd_kcontrol_t *kctls[AK4114_CONTROLS]; |
| 178 | snd_pcm_substream_t *playback_substream; |
| 179 | snd_pcm_substream_t *capture_substream; |
| 180 | unsigned long parity_errors; |
| 181 | unsigned long v_bit_errors; |
| 182 | unsigned long qcrc_errors; |
| 183 | unsigned long ccrc_errors; |
| 184 | unsigned char rcs0; |
| 185 | unsigned char rcs1; |
| 186 | struct workqueue_struct *workqueue; |
| 187 | struct work_struct work; |
| 188 | void *change_callback_private; |
| 189 | void (*change_callback)(ak4114_t *ak4114, unsigned char c0, unsigned char c1); |
| 190 | }; |
| 191 | |
| 192 | int snd_ak4114_create(snd_card_t *card, |
| 193 | ak4114_read_t *read, ak4114_write_t *write, |
| 194 | unsigned char pgm[7], unsigned char txcsb[5], |
| 195 | void *private_data, ak4114_t **r_ak4114); |
| 196 | void snd_ak4114_reg_write(ak4114_t *ak4114, unsigned char reg, unsigned char mask, unsigned char val); |
| 197 | void snd_ak4114_reinit(ak4114_t *ak4114); |
| 198 | int snd_ak4114_build(ak4114_t *ak4114, |
| 199 | snd_pcm_substream_t *playback_substream, |
| 200 | snd_pcm_substream_t *capture_substream); |
| 201 | int snd_ak4114_external_rate(ak4114_t *ak4114); |
| 202 | int snd_ak4114_check_rate_and_errors(ak4114_t *ak4114, unsigned int flags); |
| 203 | |
| 204 | #endif /* __SOUND_AK4114_H */ |
| 205 | |