xref: /netbsd/sys/dev/ic/ac97reg.h (revision bf9ec67e)
1 /*	$NetBSD: ac97reg.h,v 1.4 2002/02/02 11:13:44 augustss Exp $	*/
2 
3 /*
4  * Copyright (c) 1999 Constantine Sapuntzakis
5  *
6  * Author:        Constantine Sapuntzakis <csapuntz@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_CODEC_DOES_MICVRA		0x0004
56 #define	AC97_REG_EXTENDED_STATUS	0x2a
57 #define		AC97_ENAB_VRA			0x0001
58 #define		AC97_ENAB_MICVRA		0x0004
59 #define	AC97_REG_PCM_FRONT_DAC_RATE	0x2c
60 #define	AC97_REG_PCM_SURR_DAC_RATE	0x2e
61 #define	AC97_REG_PCM_LFE_DAC_RATE	0x30
62 #define	AC97_REG_PCM_LR_ADC_RATE	0x32
63 #define	AC97_REG_PCM_MIC_ADC_RATE	0x34
64 #define	AC97_REG_CENTER_LFE_MASTER	0x36	/* center + LFE master volume */
65 #define	AC97_REG_SURR_MASTER		0x38	/* surround (rear) master vol */
66 				/*	0x3a	reserved	*/
67 
68 /* Modem -- 0x3c-0x58 */
69 
70 /* Vendor specific -- 0x5a-0x7b */
71 
72 #define	AC97_REG_VENDOR_ID1           0x7c
73 #define	AC97_REG_VENDOR_ID2           0x7e
74 
75 #define	AC97_CODEC_ID(a0, a1, a2, x)					\
76 	(((a0) << 24) | ((a1) << 16) | ((a2) << 8) | (x))
77 
78 #define	AC97_GET_CODEC_ID(id, cp)					\
79 do {									\
80 	(cp)[0] = ((id) >> 24) & 0xff;					\
81 	(cp)[1] = ((id) >> 16) & 0xff;					\
82 	(cp)[2] = ((id) >> 8)  & 0xff;					\
83 	(cp)[3] = (id) & 0xff;						\
84 } while (0)
85