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