Annotation of sys/dev/ic/ac97.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: ac97.h,v 1.19 2006/04/27 21:40:00 matthieu Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 1999 Constantine Sapuntzakis
! 5: *
! 6: * Author: Constantine Sapuntzakis <csapuntz@stanford.edu>
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: *
! 17: * THIS SOFTWARE IS PROVIDED BY CONSTANTINE SAPUNTZAKIS AND CONTRIBUTORS
! 18: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 19: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 20: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
! 21: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 22: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 23: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 24: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 25: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 26: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 27: * POSSIBILITY OF SUCH DAMAGE.
! 28: */
! 29:
! 30: struct ac97_codec_if;
! 31:
! 32: /*
! 33: * This is the interface used to attach the AC97 compliant CODEC.
! 34: */
! 35: enum ac97_host_flags {
! 36: AC97_HOST_DONT_READ = 0x1,
! 37: AC97_HOST_DONT_READANY = 0x2,
! 38: AC97_HOST_SWAPPED_CHANNELS = 0x4,
! 39: AC97_HOST_DONT_ENABLE_SPDIF = 0x8
! 40: };
! 41:
! 42: struct ac97_host_if {
! 43: void *arg;
! 44:
! 45: int (*attach)(void *arg, struct ac97_codec_if *codecif);
! 46: int (*read)(void *arg, u_int8_t reg, u_int16_t *val);
! 47: int (*write)(void *arg, u_int8_t reg, u_int16_t val);
! 48: void (*reset)(void *arg);
! 49:
! 50: enum ac97_host_flags (*flags)(void *arg);
! 51: };
! 52:
! 53: /*
! 54: * This is the interface exported by the AC97 compliant CODEC
! 55: */
! 56:
! 57: struct ac97_codec_if_vtbl {
! 58: int (*mixer_get_port)(struct ac97_codec_if *addr, mixer_ctrl_t *cp);
! 59: int (*mixer_set_port)(struct ac97_codec_if *addr, mixer_ctrl_t *cp);
! 60: int (*query_devinfo)(struct ac97_codec_if *addr, mixer_devinfo_t *cp);
! 61: int (*get_portnum_by_name)(struct ac97_codec_if *addr, char *class,
! 62: char *device, char *qualifier);
! 63:
! 64: /*
! 65: * The AC97 codec driver records the various port settings.
! 66: * This function can be used to restore the port settings, e.g.
! 67: * after resume from a laptop suspend to disk.
! 68: */
! 69: void (*restore_ports)(struct ac97_codec_if *addr);
! 70: };
! 71:
! 72: struct ac97_codec_if {
! 73: struct ac97_codec_if_vtbl *vtbl;
! 74: };
! 75:
! 76: int ac97_attach(struct ac97_host_if *);
! 77: int ac97_set_rate(struct ac97_codec_if *, struct audio_params *, int);
! 78:
! 79: #define AC97_REG_RESET 0x00
! 80: #define AC97_CAPS_MICIN 0x0001
! 81: #define AC97_CAPS_TONECTRL 0x0004
! 82: #define AC97_CAPS_SIMSTEREO 0x0008
! 83: #define AC97_CAPS_HEADPHONES 0x0010
! 84: #define AC97_CAPS_LOUDNESS 0x0020
! 85: #define AC97_CAPS_DAC18 0x0040
! 86: #define AC97_CAPS_DAC20 0x0080
! 87: #define AC97_CAPS_ADC18 0x0100
! 88: #define AC97_CAPS_ADC20 0x0200
! 89: #define AC97_CAPS_ENHANCEMENT_MASK 0xfc00
! 90: #define AC97_CAPS_ENHANCEMENT_SHIFT 10
! 91: #define AC97_CAPS_ENHANCEMENT(reg) (((reg) >> 10) & 0x1f)
! 92: #define AC97_REG_MASTER_VOLUME 0x02
! 93: #define AC97_REG_HEADPHONE_VOLUME 0x04
! 94: #define AC97_REG_MASTER_VOLUME_MONO 0x06
! 95: #define AC97_REG_MASTER_TONE 0x08
! 96: #define AC97_REG_PCBEEP_VOLUME 0x0a
! 97: #define AC97_REG_PHONE_VOLUME 0x0c
! 98: #define AC97_REG_MIC_VOLUME 0x0e
! 99: #define AC97_REG_LINEIN_VOLUME 0x10
! 100: #define AC97_REG_CD_VOLUME 0x12
! 101: #define AC97_REG_VIDEO_VOLUME 0x14
! 102: #define AC97_REG_AUX_VOLUME 0x16
! 103: #define AC97_REG_PCMOUT_VOLUME 0x18
! 104: #define AC97_REG_RECORD_SELECT 0x1a
! 105: #define AC97_REG_RECORD_GAIN 0x1c
! 106: #define AC97_REG_RECORD_GAIN_MIC 0x1e
! 107: #define AC97_REG_GP 0x20
! 108: #define AC97_REG_3D_CONTROL 0x22
! 109: #define AC97_REG_MODEM_SAMPLE_RATE 0x24
! 110: #define AC97_REG_POWER 0x26
! 111: #define AC97_POWER_ADC 0x0001
! 112: #define AC97_POWER_DAC 0x0002
! 113: #define AC97_POWER_ANL 0x0004
! 114: #define AC97_POWER_REF 0x0008
! 115: #define AC97_POWER_IN 0x0100
! 116: #define AC97_POWER_OUT 0x0200
! 117: #define AC97_POWER_MIXER 0x0400
! 118: #define AC97_POWER_MIXER_VREF 0x0800
! 119: #define AC97_POWER_ACLINK 0x1000
! 120: #define AC97_POWER_CLK 0x2000
! 121: #define AC97_POWER_AUX 0x4000
! 122: #define AC97_POWER_EAMP 0x8000
! 123: /* Extended Audio Register Set */
! 124: #define AC97_REG_EXT_AUDIO_ID 0x28
! 125: #define AC97_REG_EXT_AUDIO_CTRL 0x2a
! 126: #define AC97_EXT_AUDIO_VRA 0x0001
! 127: #define AC97_EXT_AUDIO_DRA 0x0002
! 128: #define AC97_EXT_AUDIO_SPDIF 0x0004
! 129: #define AC97_EXT_AUDIO_VRM 0x0008
! 130: #define AC97_EXT_AUDIO_DSA0 0x0010
! 131: #define AC97_EXT_AUDIO_DSA1 0x0020
! 132: #define AC97_EXT_AUDIO_CDAC 0x0040
! 133: #define AC97_EXT_AUDIO_SDAC 0x0080
! 134: #define AC97_EXT_AUDIO_LDAC 0x0100
! 135: #define AC97_EXT_AUDIO_AMAP 0x0200
! 136: #define AC97_EXT_AUDIO_REV_11 0x0000
! 137: #define AC97_EXT_AUDIO_REV_22 0x0400
! 138: #define AC97_EXT_AUDIO_REV_23 0x0800
! 139: #define AC97_EXT_AUDIO_REV_MASK 0x0c00
! 140: #define AC97_EXT_AUDIO_ID 0xc000
! 141: #define AC97_EXT_AUDIO_BITS "\020\01vra\02dra\03spdif\04vrm\05dsa0\06dsa1\07cdac\010sdac\011ldac\012amap\013rev0\014rev1\017id0\020id1"
! 142: #define AC97_SINGLERATE 48000
! 143: #define AC97_REG_FRONT_DAC_RATE 0x2c
! 144: #define AC97_REG_SURROUND_DAC_RATE 0x2e
! 145: #define AC97_REG_PCM_DAC_RATE 0x30
! 146: #define AC97_REG_PCM_ADC_RATE 0x32
! 147: #define AC97_REG_MIC_ADC_RATE 0x34
! 148: #define AC97_REG_CENTER_LFE_VOLUME 0x36
! 149: #define AC97_REG_SURROUND_VOLUME 0x38
! 150: #define AC97_REG_SPDIF_CTRL 0x3a
! 151: #define AC97_REG_SPDIF_CTRL_BITS "\02\01pro\02/audio\03copy\04pre\014l\017drs\020valid"
! 152:
! 153: #define AC97_REG_VENDOR_ID1 0x7c
! 154: #define AC97_REG_VENDOR_ID2 0x7e
! 155: #define AC97_VENDOR_ID_MASK 0xffffff00
! 156:
! 157: /* Analog Devices codec specific data */
! 158: #define AC97_AD_REG_MISC 0x76
! 159: #define AC97_AD_MISC_MBG0 0x0001 /* 0 */
! 160: #define AC97_AD_MISC_MBG1 0x0002 /* 1 */
! 161: #define AC97_AD_MISC_VREFD 0x0004 /* 2 */
! 162: #define AC97_AD_MISC_VREFH 0x0008 /* 3 */
! 163: #define AC97_AD_MISC_SRU 0x0010 /* 4 */
! 164: #define AC97_AD_MISC_LOSEL 0x0020 /* 5 */
! 165: #define AC97_AD_MISC_2CMIC 0x0040 /* 6 */
! 166: #define AC97_AD_MISC_SPRD 0x0080 /* 7 */
! 167: #define AC97_AD_MISC_DMIX0 0x0100 /* 8 */
! 168: #define AC97_AD_MISC_DMIX1 0x0200 /* 9 */
! 169: #define AC97_AD_MISC_HPSEL 0x0400 /*10 */
! 170: #define AC97_AD_MISC_CLDIS 0x0800 /*11 */
! 171: #define AC97_AD_MISC_LODIS 0x1000 /*12 */
! 172: #define AC97_AD_MISC_MSPLT 0x2000 /*13 */
! 173: #define AC97_AD_MISC_AC97NC 0x4000 /*14 */
! 174: #define AC97_AD_MISC_DACZ 0x8000 /*15 */
! 175:
! 176: /* Avance Logic codec specific data*/
! 177: #define AC97_AV_REG_MULTICH 0x6a
! 178: #define AC97_AV_MULTICH_MAGIC 0x8000
! 179: #define AC97_AV_REG_MISC 0x7a
! 180: #define AC97_AV_MISC_SPDIFEN 0x0002
! 181: #define AC97_AV_MISC_VREFDIS 0x1000
! 182:
! 183: /* Conexant codec specific data */
! 184: #define AC97_CX_REG_MISC 0x5c
! 185: #define AC97_CX_PCM 0x00
! 186: #define AC97_CX_AC3 0x02
! 187: #define AC97_CX_MASK 0x03
! 188: #define AC97_CX_COPYRIGHT 0x04
! 189: #define AC97_CX_SPDIFEN 0x08
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