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 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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 * $FreeBSD$ 30 */ 31 32 #ifndef _VIA_H 33 #define _VIA_H 34 35 /* 36 * VIA Technologies VT82C686A Southbridge Audio Driver 37 * 38 * Documentation links: 39 * 40 * ftp://ftp.alsa-project.org/pub/manuals/via/686a.pdf 41 * ftp://ftp.alsa-project.org/pub/manuals/general/ac97r21.pdf 42 * ftp://ftp.alsa-project.org/pub/manuals/ad/AD1881_0.pdf (example AC'97 codec) 43 */ 44 45 #define VIA_AC97STATUS 0x40 46 #define VIA_AC97STATUS_RDY 0x01 47 #define VIA_AC97STATUS_LOWPWR 0x02 48 #define VIA_AC97STATUS_2RDY 0x04 49 50 #define VIA_ACLINKCTRL 0x41 51 #define VIA_ACLINK_EN 0x80 /* ac link enab */ 52 #define VIA_ACLINK_NRST 0x40 /* ~(ac reset) */ 53 #define VIA_ACLINK_SYNC 0x20 /* ac sync */ 54 #define VIA_ACLINK_VSR 0x08 /* var. samp. rate */ 55 #define VIA_ACLINK_SGD 0x04 /* SGD enab */ 56 #define VIA_ACLINK_FM 0x02 /* FM enab */ 57 #define VIA_ACLINK_SB 0x01 /* SB enab */ 58 #define VIA_ACLINK_DESIRED (VIA_ACLINK_EN|VIA_ACLINK_NRST|VIA_ACLINK_VSR|VIA_ACLINK_SGD) 59 #define VIA_PCICONF_FUNC_EN 0x42 60 61 #define VIA_PLAY_STAT 0x00 62 #define VIA_RECORD_STAT 0x10 63 #define VIA_RPSTAT_INTR 0x03 64 #define VIA_PLAY_CONTROL 0x01 65 #define VIA_RECORD_CONTROL 0x11 66 #define VIA_RPCTRL_START 0x80 67 #define VIA_RPCTRL_TERMINATE 0x40 68 #define VIA_PLAY_MODE 0x02 69 #define VIA_RECORD_MODE 0x12 70 #define VIA_RPMODE_INTR_FLAG 0x01 71 #define VIA_RPMODE_INTR_EOL 0x02 72 #define VIA_RPMODE_STEREO 0x10 73 #define VIA_RPMODE_16BIT 0x20 74 #define VIA_RPMODE_AUTOSTART 0x80 75 #define VIA_PLAY_DMAOPS_BASE 0x04 76 #define VIA_RECORD_DMAOPS_BASE 0x14 77 #define VIA_PLAY_DMAOPS_COUNT 0x0C 78 #define VIA_RECORD_DMAOPS_COUNT 0x1C 79 80 #define VIA_CODEC_CTL 0x80 81 #define VIA_CODEC_READ 0x00800000 82 #define VIA_CODEC_BUSY 0x01000000 83 #define VIA_CODEC_PRIVALID 0x02000000 84 #define VIA_CODEC_INDEX(x) ((x)<<16) 85 86 #endif /* _VIA_H */ 87