xref: /freebsd/sys/dev/sound/pcm/ac97.h (revision dd41de95a84d979615a2ef11df6850622bf6184e)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #define AC97_MUTE	0x8080
32 
33 #define AC97_REG_RESET	0x00
34 #define		AC97_CAP_MICCHANNEL	(1 << 0)
35 #define		AC97_CAP_TONE		(1 << 2)
36 #define		AC97_CAP_SIMSTEREO	(1 << 3)
37 #define		AC97_CAP_HEADPHONE	(1 << 4)
38 #define		AC97_CAP_LOUDNESS	(1 << 5)
39 #define		AC97_CAP_DAC_18		(1 << 6)
40 #define		AC97_CAP_DAC_20		(1 << 7)
41 #define		AC97_CAP_ADC_18		(1 << 8)
42 #define		AC97_CAP_ADC_20		(1 << 9)
43 #define AC97_MIX_MASTER	0x02
44 #define AC97_MIX_AUXOUT	0x04
45 #define AC97_MIX_MONO 	0x06
46 #define AC97_MIX_TONE	0x08
47 #define AC97_MIX_BEEP	0x0a
48 #define AC97_MIX_PHONE	0x0c
49 #define AC97_MIX_MIC	0x0e
50 #define AC97_MIX_LINE	0x10
51 #define AC97_MIX_CD	0x12
52 #define AC97_MIX_VIDEO	0x14
53 #define AC97_MIX_AUX	0x16
54 #define AC97_MIX_PCM	0x18
55 #define AC97_REG_RECSEL	0x1a
56 #define AC97_MIX_RGAIN	0x1c
57 #define AC97_MIX_MGAIN	0x1e
58 #define AC97_REG_GEN	0x20
59 #define AC97_REG_3D	0x22
60 #define AC97_REG_POWER	0x26
61 #define		AC97_POWER_ADC		(1 << 0)
62 #define		AC97_POWER_DAC		(1 << 1)
63 #define		AC97_POWER_ANL		(1 << 2)
64 #define		AC97_POWER_REF		(1 << 3)
65 #define		AC97_POWER_STATUS	(AC97_POWER_ADC | AC97_POWER_DAC | \
66 					 AC97_POWER_REF | AC97_POWER_ANL )
67 #define AC97_REGEXT_ID		0x28
68 #define 	AC97_EXTCAP_VRA		(1 << 0)
69 #define 	AC97_EXTCAP_DRA		(1 << 1)
70 #define 	AC97_EXTCAP_VRM		(1 << 3)
71 #define		AC97_EXTCAPS (AC97_EXTCAP_VRA | AC97_EXTCAP_DRA | AC97_EXTCAP_VRM)
72 #define		AC97_EXTCAP_SDAC	(1 << 7)
73 
74 #define AC97_REGEXT_STAT	0x2a
75 #define AC97_REGEXT_FDACRATE	0x2c
76 #define AC97_REGEXT_SDACRATE	0x2e
77 #define AC97_REGEXT_LDACRATE	0x30
78 #define AC97_REGEXT_LADCRATE	0x32
79 #define AC97_REGEXT_MADCRATE	0x34
80 #define AC97_MIXEXT_CLFE	0x36
81 #define AC97_MIXEXT_SURROUND	0x38
82 #define AC97_REG_ID1	0x7c
83 #define AC97_REG_ID2	0x7e
84 
85 #define	AC97_F_EAPD_INV		0x00000001
86 #define	AC97_F_RDCD_BUG		0x00000002
87 
88 #define AC97_DECLARE(name) static DEFINE_CLASS(name, name ## _methods, sizeof(struct kobj))
89 #define AC97_CREATE(dev, devinfo, cls) ac97_create(dev, devinfo, &cls ## _class)
90 
91 struct ac97_info;
92 
93 #include "ac97_if.h"
94 
95 extern kobj_class_t ac97_getmixerclass(void);
96 
97 struct ac97_info *ac97_create(device_t dev, void *devinfo, kobj_class_t cls);
98 void ac97_destroy(struct ac97_info *codec);
99 void ac97_setflags(struct ac97_info *codec, u_int32_t val);
100 u_int32_t ac97_getflags(struct ac97_info *codec);
101 int ac97_setrate(struct ac97_info *codec, int which, int rate);
102 int ac97_setextmode(struct ac97_info *codec, u_int16_t mode);
103 u_int16_t ac97_getextmode(struct ac97_info *codec);
104 u_int16_t ac97_getextcaps(struct ac97_info *codec);
105 u_int16_t ac97_getcaps(struct ac97_info *codec);
106 u_int32_t ac97_getsubvendor(struct ac97_info *codec);
107 
108 u_int16_t ac97_rdcd(struct ac97_info *codec, int reg);
109 void	  ac97_wrcd(struct ac97_info *codec, int reg, u_int16_t val);
110