1 /*- 2 * Copyright (c) 2000 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by Tyler C. Sarna. 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 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the NetBSD 19 * Foundation, Inc. and its contributors. 20 * 4. Neither the name of The NetBSD Foundation nor the names of its 21 * contributors may be used to endorse or promote products derived 22 * from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 25 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 * 36 * $FreeBSD$ 37 */ 38 39 #ifndef _VIA_H 40 #define _VIA_H 41 42 /* 43 * VIA Technologies VT82C686A Southbridge Audio Driver 44 * 45 * Documentation links: 46 * 47 * ftp://ftp.alsa-project.org/pub/manuals/via/686a.pdf 48 * ftp://ftp.alsa-project.org/pub/manuals/general/ac97r21.pdf 49 * ftp://ftp.alsa-project.org/pub/manuals/ad/AD1881_0.pdf (example AC'97 codec) 50 */ 51 52 #define VIA_PCICONF_MISC 0x41 53 #define VIA_PCICONF_ACLINKENAB 0x80 /* ac link enab */ 54 #define VIA_PCICONF_ACNOTRST 0x40 /* ~(ac reset) */ 55 #define VIA_PCICONF_ACSYNC 0x20 /* ac sync */ 56 #define VIA_PCICONF_ACVSR 0x08 /* var. samp. rate */ 57 #define VIA_PCICONF_ACSGD 0x04 /* SGD enab */ 58 #define VIA_PCICONF_ACFM 0x02 /* FM enab */ 59 #define VIA_PCICONF_ACSB 0x01 /* SB enab */ 60 #define VIA_PCICONF_FUNC_EN 0x42 61 62 #define VIA_PLAY_STAT 0x00 63 #define VIA_RECORD_STAT 0x10 64 #define VIA_RPSTAT_INTR 0x03 65 #define VIA_PLAY_CONTROL 0x01 66 #define VIA_RECORD_CONTROL 0x11 67 #define VIA_RPCTRL_START 0x80 68 #define VIA_RPCTRL_TERMINATE 0x40 69 #define VIA_PLAY_MODE 0x02 70 #define VIA_RECORD_MODE 0x12 71 #define VIA_RPMODE_INTR_FLAG 0x01 72 #define VIA_RPMODE_INTR_EOL 0x02 73 #define VIA_RPMODE_STEREO 0x10 74 #define VIA_RPMODE_16BIT 0x20 75 #define VIA_RPMODE_AUTOSTART 0x80 76 #define VIA_PLAY_DMAOPS_BASE 0x04 77 #define VIA_RECORD_DMAOPS_BASE 0x14 78 #define VIA_PLAY_DMAOPS_COUNT 0x0C 79 #define VIA_RECORD_DMAOPS_COUNT 0x1C 80 81 #define VIA_CODEC_CTL 0x80 82 #define VIA_CODEC_READ 0x00800000 83 #define VIA_CODEC_BUSY 0x01000000 84 #define VIA_CODEC_PRIVALID 0x02000000 85 #define VIA_CODEC_INDEX(x) ((x)<<16) 86 87 #define AC97_REG_EXT_AUDIO_ID 0x28 88 #define AC97_CODEC_DOES_VRA 0x0001 89 #define AC97_CODEC_DOES_MICVRA 0x0008 90 #define AC97_REG_EXT_AUDIO_STAT 0x2A 91 #define AC97_ENAB_VRA 0x0001 92 #define AC97_ENAB_MICVRA 0x0008 93 #define AC97_REG_EXT_DAC_RATE 0x2C 94 #define AC97_REG_EXT_ADC_RATE 0x32 95 96 #endif /* _VIA_H */ 97