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  *
  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: head/sys/dev/sound/pci/via82c686.h 192457 2009-05-20 18:31:11Z joel $
  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 */