sys/dev/sound/pci/via82c686.h

   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: src/sys/dev/sound/pci/via82c686.h,v 1.6 2003/03/26 05:35:38 orion Exp $
  37  * $DragonFly: src/sys/dev/sound/pci/via82c686.h,v 1.3 2007/01/04 21:47:02 corecode Exp $
  38  */
  39
  40 #ifndef _VIA_H
  41 #define _VIA_H
  42
  43 /*
  44  * VIA Technologies VT82C686A Southbridge Audio Driver
  45  *
  46  * Documentation links:
  47  *
  48  * ftp://ftp.alsa-project.org/pub/manuals/via/686a.pdf
  49  * ftp://ftp.alsa-project.org/pub/manuals/general/ac97r21.pdf
  50  * ftp://ftp.alsa-project.org/pub/manuals/ad/AD1881_0.pdf (example AC'97 codec)
  51  */
  52
  53 #define VIA_AC97STATUS          0x40
  54 #define         VIA_AC97STATUS_RDY      0x01
  55 #define         VIA_AC97STATUS_LOWPWR   0x02
  56 #define         VIA_AC97STATUS_2RDY     0x04
  57
  58 #define VIA_ACLINKCTRL          0x41
  59 #define         VIA_ACLINK_EN           0x80     /* ac link enab */
  60 #define         VIA_ACLINK_NRST         0x40     /* ~(ac reset) */
  61 #define         VIA_ACLINK_SYNC         0x20     /* ac sync */
  62 #define         VIA_ACLINK_VSR          0x08     /* var. samp. rate */
  63 #define         VIA_ACLINK_SGD          0x04     /* SGD enab */
  64 #define         VIA_ACLINK_FM           0x02     /* FM enab */
  65 #define         VIA_ACLINK_SB           0x01     /* SB enab */
  66 #define         VIA_ACLINK_DESIRED      (VIA_ACLINK_EN|VIA_ACLINK_NRST|VIA_ACLINK_VSR|VIA_ACLINK_SGD)
  67 #define VIA_PCICONF_FUNC_EN     0x42
  68
  69 #define VIA_PLAY_STAT                 0x00
  70 #define VIA_RECORD_STAT               0x10
  71 #define         VIA_RPSTAT_INTR               0x03
  72 #define VIA_PLAY_CONTROL              0x01
  73 #define VIA_RECORD_CONTROL            0x11
  74 #define         VIA_RPCTRL_START              0x80
  75 #define         VIA_RPCTRL_TERMINATE          0x40
  76 #define VIA_PLAY_MODE                 0x02
  77 #define VIA_RECORD_MODE               0x12
  78 #define         VIA_RPMODE_INTR_FLAG          0x01
  79 #define         VIA_RPMODE_INTR_EOL           0x02
  80 #define         VIA_RPMODE_STEREO             0x10
  81 #define         VIA_RPMODE_16BIT              0x20
  82 #define         VIA_RPMODE_AUTOSTART          0x80
  83 #define VIA_PLAY_DMAOPS_BASE          0x04
  84 #define VIA_RECORD_DMAOPS_BASE        0x14
  85 #define VIA_PLAY_DMAOPS_COUNT         0x0C
  86 #define VIA_RECORD_DMAOPS_COUNT       0x1C
  87
  88 #define VIA_CODEC_CTL                 0x80
  89 #define         VIA_CODEC_READ                0x00800000
  90 #define         VIA_CODEC_BUSY                0x01000000
  91 #define         VIA_CODEC_PRIVALID            0x02000000
  92 #define         VIA_CODEC_INDEX(x)            ((x)<<16)
  93
  94 #endif /* _VIA_H */