The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/pci/via82c686.h

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    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_AC97STATUS          0x40
   53 #define         VIA_AC97STATUS_RDY      0x01
   54 #define         VIA_AC97STATUS_LOWPWR   0x02
   55 #define         VIA_AC97STATUS_2RDY     0x04
   56 
   57 #define VIA_ACLINKCTRL          0x41
   58 #define         VIA_ACLINK_EN           0x80     /* ac link enab */
   59 #define         VIA_ACLINK_NRST         0x40     /* ~(ac reset) */
   60 #define         VIA_ACLINK_SYNC         0x20     /* ac sync */
   61 #define         VIA_ACLINK_VSR          0x08     /* var. samp. rate */
   62 #define         VIA_ACLINK_SGD          0x04     /* SGD enab */
   63 #define         VIA_ACLINK_FM           0x02     /* FM enab */
   64 #define         VIA_ACLINK_SB           0x01     /* SB enab */
   65 #define         VIA_ACLINK_DESIRED      (VIA_ACLINK_EN|VIA_ACLINK_NRST|VIA_ACLINK_VSR|VIA_ACLINK_SGD)
   66 #define VIA_PCICONF_FUNC_EN     0x42
   67 
   68 #define VIA_PLAY_STAT                 0x00
   69 #define VIA_RECORD_STAT               0x10
   70 #define         VIA_RPSTAT_INTR               0x03
   71 #define VIA_PLAY_CONTROL              0x01
   72 #define VIA_RECORD_CONTROL            0x11
   73 #define         VIA_RPCTRL_START              0x80
   74 #define         VIA_RPCTRL_TERMINATE          0x40
   75 #define VIA_PLAY_MODE                 0x02
   76 #define VIA_RECORD_MODE               0x12
   77 #define         VIA_RPMODE_INTR_FLAG          0x01
   78 #define         VIA_RPMODE_INTR_EOL           0x02
   79 #define         VIA_RPMODE_STEREO             0x10
   80 #define         VIA_RPMODE_16BIT              0x20
   81 #define         VIA_RPMODE_AUTOSTART          0x80
   82 #define VIA_PLAY_DMAOPS_BASE          0x04
   83 #define VIA_RECORD_DMAOPS_BASE        0x14
   84 #define VIA_PLAY_DMAOPS_COUNT         0x0C
   85 #define VIA_RECORD_DMAOPS_COUNT       0x1C
   86 
   87 #define VIA_CODEC_CTL                 0x80
   88 #define         VIA_CODEC_READ                0x00800000
   89 #define         VIA_CODEC_BUSY                0x01000000
   90 #define         VIA_CODEC_PRIVALID            0x02000000
   91 #define         VIA_CODEC_INDEX(x)            ((x)<<16)
   92 
   93 #endif /* _VIA_H */

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