1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Tyler C. Sarna. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 * 31 * $FreeBSD$ 32 */ 33 34 #ifndef _VIA_H 35 #define _VIA_H 36 37 /* 38 * VIA Technologies VT82C686A Southbridge Audio Driver 39 * 40 * Documentation links: 41 * 42 * ftp://ftp.alsa-project.org/pub/manuals/via/686a.pdf 43 * ftp://ftp.alsa-project.org/pub/manuals/general/ac97r21.pdf 44 * ftp://ftp.alsa-project.org/pub/manuals/ad/AD1881_0.pdf (example AC'97 codec) 45 */ 46 47 #define VIA_AC97STATUS 0x40 48 #define VIA_AC97STATUS_RDY 0x01 49 #define VIA_AC97STATUS_LOWPWR 0x02 50 #define VIA_AC97STATUS_2RDY 0x04 51 52 #define VIA_ACLINKCTRL 0x41 53 #define VIA_ACLINK_EN 0x80 /* ac link enab */ 54 #define VIA_ACLINK_NRST 0x40 /* ~(ac reset) */ 55 #define VIA_ACLINK_SYNC 0x20 /* ac sync */ 56 #define VIA_ACLINK_VSR 0x08 /* var. samp. rate */ 57 #define VIA_ACLINK_SGD 0x04 /* SGD enab */ 58 #define VIA_ACLINK_FM 0x02 /* FM enab */ 59 #define VIA_ACLINK_SB 0x01 /* SB enab */ 60 #define VIA_ACLINK_DESIRED (VIA_ACLINK_EN|VIA_ACLINK_NRST|VIA_ACLINK_VSR|VIA_ACLINK_SGD) 61 #define VIA_PCICONF_FUNC_EN 0x42 62 63 #define VIA_PLAY_STAT 0x00 64 #define VIA_RECORD_STAT 0x10 65 #define VIA_RPSTAT_INTR 0x03 66 #define VIA_PLAY_CONTROL 0x01 67 #define VIA_RECORD_CONTROL 0x11 68 #define VIA_RPCTRL_START 0x80 69 #define VIA_RPCTRL_TERMINATE 0x40 70 #define VIA_PLAY_MODE 0x02 71 #define VIA_RECORD_MODE 0x12 72 #define VIA_RPMODE_INTR_FLAG 0x01 73 #define VIA_RPMODE_INTR_EOL 0x02 74 #define VIA_RPMODE_STEREO 0x10 75 #define VIA_RPMODE_16BIT 0x20 76 #define VIA_RPMODE_AUTOSTART 0x80 77 #define VIA_PLAY_DMAOPS_BASE 0x04 78 #define VIA_RECORD_DMAOPS_BASE 0x14 79 #define VIA_PLAY_DMAOPS_COUNT 0x0C 80 #define VIA_RECORD_DMAOPS_COUNT 0x1C 81 82 #define VIA_CODEC_CTL 0x80 83 #define VIA_CODEC_READ 0x00800000 84 #define VIA_CODEC_BUSY 0x01000000 85 #define VIA_CODEC_PRIVALID 0x02000000 86 #define VIA_CODEC_INDEX(x) ((x)<<16) 87 88 #endif /* _VIA_H */ 89