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ac97reg.h revision 1.3
      1 /*	$NetBSD: ac97reg.h,v 1.3 2001/01/05 03:32:46 augustss Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1999 Constantine Sapuntzakis
      5  *
      6  * Author:        Constantine Sapuntzakis <csapuntz (at) stanford.edu>
      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 CONSTANTINE SAPUNTZAKIS 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 AUTHOR 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 
     30 #define	AC97_REG_RESET			0x00
     31 #define	AC97_SOUND_ENHANCEMENT(reg)	(((reg) >> 10) & 0x1f)
     32 #define	AC97_REG_MASTER_VOLUME		0x02
     33 #define	AC97_REG_HEADPHONE_VOLUME	0x04
     34 #define	AC97_REG_MASTER_VOLUME_MONO	0x06
     35 #define	AC97_REG_MASTER_TONE		0x08
     36 #define	AC97_REG_PCBEEP_VOLUME		0x0a
     37 #define	AC97_REG_PHONE_VOLUME		0x0c
     38 #define	AC97_REG_MIC_VOLUME		0x0e
     39 #define	AC97_REG_LINEIN_VOLUME		0x10
     40 #define	AC97_REG_CD_VOLUME		0x12
     41 #define	AC97_REG_VIDEO_VOLUME		0x14
     42 #define	AC97_REG_AUX_VOLUME		0x16
     43 #define	AC97_REG_PCMOUT_VOLUME		0x18
     44 #define	AC97_REG_RECORD_SELECT		0x1a
     45 #define	AC97_REG_RECORD_GAIN		0x1c
     46 #define	AC97_REG_RECORD_GAIN_MIC	0x1e
     47 #define	AC97_REG_GP			0x20
     48 #define	AC97_REG_3D_CONTROL		0x22
     49 				/*	0x24	reserved	*/
     50 #define	AC97_REG_POWER			0x26
     51 
     52 /* AC'97 2.0 extensions -- 0x28-0x3a */
     53 #define	AC97_REG_EXTENDED_ID		0x28
     54 #define		AC97_CODEC_DOES_VRA		0x0001
     55 #define	AC97_REG_EXTENDED_STATUS	0x2a
     56 #define		AC97_ENAB_VRA			0x0001
     57 #define		AC97_ENAB_MICVRA		0x0004
     58 #define	AC97_REG_PCM_FRONT_DAC_RATE	0x2c
     59 #define	AC97_REG_PCM_SURR_DAC_RATE	0x2e
     60 #define	AC97_REG_PCM_LFE_DAC_RATE	0x30
     61 #define	AC97_REG_PCM_LR_ADC_RATE	0x32
     62 #define	AC97_REG_PCM_MIC_ADC_RATE	0x34
     63 #define	AC97_REG_CENTER_LFE_MASTER	0x36	/* center + LFE master volume */
     64 #define	AC97_REG_SURR_MASTER		0x38	/* surround (rear) master vol */
     65 				/*	0x3a	reserved	*/
     66 
     67 /* Modem -- 0x3c-0x58 */
     68 
     69 /* Vendor specific -- 0x5a-0x7b */
     70 
     71 #define	AC97_REG_VENDOR_ID1           0x7c
     72 #define	AC97_REG_VENDOR_ID2           0x7e
     73 
     74 #define	AC97_CODEC_ID(a0, a1, a2, x)					\
     75 	(((a0) << 24) | ((a1) << 16) | ((a2) << 8) | (x))
     76 
     77 #define	AC97_GET_CODEC_ID(id, cp)					\
     78 do {									\
     79 	(cp)[0] = ((id) >> 24) & 0xff;					\
     80 	(cp)[1] = ((id) >> 16) & 0xff;					\
     81 	(cp)[2] = ((id) >> 8)  & 0xff;					\
     82 	(cp)[3] = (id) & 0xff;						\
     83 } while (0)
     84