/* $OpenBSD: ac97.h,v 1.15 2003/07/15 13:20:31 couderc Exp $ */ /* * Copyright (c) 1999 Constantine Sapuntzakis * * Author: Constantine Sapuntzakis * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY CONSTANTINE SAPUNTZAKIS AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ struct ac97_codec_if; /* * This is the interface used to attach the AC97 compliant CODEC. */ enum ac97_host_flags { AC97_HOST_DONT_READ = 0x1, AC97_HOST_DONT_READANY = 0x2, AC97_HOST_SWAPPED_CHANNELS = 0x4 }; struct ac97_host_if { void *arg; int (*attach)(void *arg, struct ac97_codec_if *codecif); int (*read)(void *arg, u_int8_t reg, u_int16_t *val); int (*write)(void *arg, u_int8_t reg, u_int16_t val); void (*reset)(void *arg); enum ac97_host_flags (*flags)(void *arg); }; /* * This is the interface exported by the AC97 compliant CODEC */ struct ac97_codec_if_vtbl { int (*mixer_get_port)(struct ac97_codec_if *addr, mixer_ctrl_t *cp); int (*mixer_set_port)(struct ac97_codec_if *addr, mixer_ctrl_t *cp); int (*query_devinfo)(struct ac97_codec_if *addr, mixer_devinfo_t *cp); int (*get_portnum_by_name)(struct ac97_codec_if *addr, char *class, char *device, char *qualifier); /* * The AC97 codec driver records the various port settings. * This function can be used to restore the port settings, e.g. * after resume from a laptop suspend to disk. */ void (*restore_ports)(struct ac97_codec_if *addr); }; struct ac97_codec_if { struct ac97_codec_if_vtbl *vtbl; }; int ac97_attach(struct ac97_host_if *); int ac97_set_rate(struct ac97_codec_if *, struct audio_params *, int); #define AC97_REG_RESET 0x00 #define AC97_CAPS_MICIN 0x0001 #define AC97_CAPS_TONECTRL 0x0004 #define AC97_CAPS_SIMSTEREO 0x0008 #define AC97_CAPS_HEADPHONES 0x0010 #define AC97_CAPS_LOUDNESS 0x0020 #define AC97_CAPS_DAC18 0x0040 #define AC97_CAPS_DAC20 0x0080 #define AC97_CAPS_ADC18 0x0100 #define AC97_CAPS_ADC20 0x0200 #define AC97_CAPS_ENHANCEMENT_MASK 0xfc00 #define AC97_CAPS_ENHANCEMENT_SHIFT 10 #define AC97_CAPS_ENHANCEMENT(reg) (((reg) >> 10) & 0x1f) #define AC97_REG_MASTER_VOLUME 0x02 #define AC97_REG_HEADPHONE_VOLUME 0x04 #define AC97_REG_MASTER_VOLUME_MONO 0x06 #define AC97_REG_MASTER_TONE 0x08 #define AC97_REG_PCBEEP_VOLUME 0x0a #define AC97_REG_PHONE_VOLUME 0x0c #define AC97_REG_MIC_VOLUME 0x0e #define AC97_REG_LINEIN_VOLUME 0x10 #define AC97_REG_CD_VOLUME 0x12 #define AC97_REG_VIDEO_VOLUME 0x14 #define AC97_REG_AUX_VOLUME 0x16 #define AC97_REG_PCMOUT_VOLUME 0x18 #define AC97_REG_RECORD_SELECT 0x1a #define AC97_REG_RECORD_GAIN 0x1c #define AC97_REG_RECORD_GAIN_MIC 0x1e #define AC97_REG_GP 0x20 #define AC97_REG_3D_CONTROL 0x22 #define AC97_REG_MODEM_SAMPLE_RATE 0x24 #define AC97_REG_POWER 0x26 #define AC97_POWER_ADC 0x0001 #define AC97_POWER_DAC 0x0002 #define AC97_POWER_ANL 0x0004 #define AC97_POWER_REF 0x0008 #define AC97_POWER_IN 0x0100 #define AC97_POWER_OUT 0x0200 #define AC97_POWER_MIXER 0x0400 #define AC97_POWER_MIXER_VREF 0x0800 #define AC97_POWER_ACLINK 0x1000 #define AC97_POWER_CLK 0x2000 #define AC97_POWER_AUX 0x4000 #define AC97_POWER_EAMP 0x8000 /* Extended Audio Register Set */ #define AC97_REG_EXT_AUDIO_ID 0x28 #define AC97_REG_EXT_AUDIO_CTRL 0x2a #define AC97_EXT_AUDIO_VRA 0x0001 #define AC97_EXT_AUDIO_DRA 0x0002 #define AC97_EXT_AUDIO_SPDIF 0x0004 #define AC97_EXT_AUDIO_VRM 0x0008 #define AC97_EXT_AUDIO_DSA0 0x0010 #define AC97_EXT_AUDIO_DSA1 0x0020 #define AC97_EXT_AUDIO_CDAC 0x0040 #define AC97_EXT_AUDIO_SDAC 0x0080 #define AC97_EXT_AUDIO_LDAC 0x0100 #define AC97_EXT_AUDIO_AMAP 0x0200 #define AC97_EXT_AUDIO_REV_11 0x0000 #define AC97_EXT_AUDIO_REV_22 0x0400 #define AC97_EXT_AUDIO_REV_23 0x0800 #define AC97_EXT_AUDIO_REV_MASK 0x0c00 #define AC97_EXT_AUDIO_ID 0xc000 #define AC97_EXT_AUDIO_BITS "\020\01vra\02dra\03spdif\04vrm\05dsa0\06dsa1\07cdac\010sdac\011ldac\012amap\013rev0\014rev1\017id0\020id1" #define AC97_SINGLERATE 48000 #define AC97_REG_FRONT_DAC_RATE 0x2c #define AC97_REG_SURROUND_DAC_RATE 0x2e #define AC97_REG_PCM_DAC_RATE 0x30 #define AC97_REG_PCM_ADC_RATE 0x32 #define AC97_REG_MIC_ADC_RATE 0x34 #define AC97_REG_CENTER_LFE_VOLUME 0x36 #define AC97_REG_SURROUND_VOLUME 0x38 #define AC97_REG_SPDIF_CTRL 0x3a #define AC97_REG_SPDIF_CTRL_BITS "\02\01pro\02/audio\03copy\04pre\014l\017drs\020valid" #define AC97_REG_VENDOR_ID1 0x7c #define AC97_REG_VENDOR_ID2 0x7e #define AC97_VENDOR_ID_MASK 0xffffff00 /* Analog Devices codec specific data */ #define AC97_AD_REG_MISC 0x76 #define AC97_AD_MISC_MBG 0x0001 /* 0 */ #define AC97_AD_MISC_VREFD 0x0002 /* 1 */ #define AC97_AD_MISC_VREFH 0x0004 /* 2 */ #define AC97_AD_MISC_MADST 0x0008 /* 3 */ #define AC97_AD_MISC_MADPD 0x0020 /* 5 */ #define AC97_AD_MISC_FMXE 0x0100 /* 8 */ #define AC97_AD_MISC_DAM 0x0400 /*10 */ #define AC97_AD_MISC_MSPLT 0x1000 /*12 */ #define AC97_AD_MISC_DACZ 0x4000 /*14 */