1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2002 Orion Hodson <orion@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, WHETHERIN 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 THEPOSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31#ifndef _SYS_SOUND_PCI_VIA8233_H_
32#define _SYS_SOUND_PCI_VIA8233_H_
33
34/*
35 * VIA Technologies VT8233 Southbridge Audio Driver
36 *
37 * Documentation sources:
38 *
39 * o V8233C specs. from VIA, gratefully received under NDA.
40 * o AC97 R2.2 specs.
41 * o ALSA driver (very useful comments)
42 */
43
44#define	VIA_PCI_SPDIF		0x49
45#define		VIA_SPDIF_EN		0x08
46
47#define VIA_DXS0_BASE		0x00
48#define VIA_DXS1_BASE		0x10
49#define VIA_DXS2_BASE		0x20
50#define VIA_DXS3_BASE		0x30
51#define VIA_DXS_BASE(n)		(0x10 * (n))
52#define BASE_IS_VIA_DXS_REG(x)	((x) <= VIA_DXS3_BASE)
53
54#define VIA8233_RP_DXS_LVOL	      0x02
55#define VIA8233_RP_DXS_RVOL	      0x03
56#define 	VIA8233_DXS_MUTE		0x3f
57#define VIA8233_RP_DXS_RATEFMT	      0x08
58#define		VIA8233_DXS_STOP_INDEX		0xff000000
59#define 	VIA8233_DXS_RATEFMT_48K		0x000fffff
60#define		VIA8233_DXS_RATEFMT_STEREO	0x00100000
61#define		VIA8233_DXS_RATEFMT_16BIT	0x00200000
62
63#define VIA_PCI_ACLINK_STAT	0x40
64#	define VIA_PCI_ACLINK_C11_READY	0x20
65#	define VIA_PCI_ACLINK_C10_READY	0x10
66#	define VIA_PCI_ACLINK_C01_READY	0x04
67#	define VIA_PCI_ACLINK_LOW_POWER	0x02
68#	define VIA_PCI_ACLINK_C00_READY	0x01
69
70#define VIA_PCI_ACLINK_CTRL	0x41
71#	define VIA_PCI_ACLINK_EN	0x80
72#	define VIA_PCI_ACLINK_NRST	0x40
73#	define VIA_PCI_ACLINK_SYNC	0x20
74#	define VIA_PCI_ACLINK_SERIAL	0x10
75#	define VIA_PCI_ACLINK_VRATE	0x08
76#	define VIA_PCI_ACLINK_SGD	0x04
77#	define VIA_PCI_ACLINK_DESIRED 	(VIA_PCI_ACLINK_EN | 		      \
78					 VIA_PCI_ACLINK_NRST |		      \
79					 VIA_PCI_ACLINK_VRATE | 	      \
80					 VIA_PCI_ACLINK_SGD)
81
82#define VIA_MC_SGD_STATUS	0x40
83#define VIA_WR0_SGD_STATUS	0x60
84#define VIA_WR1_SGD_STATUS	0x70
85#	define SGD_STATUS_ACTIVE	0x80
86#	define SGD_STATUS_AT_STOP	0x40
87#	define SGD_STATUS_TRIGGER_Q	0x08
88#	define SGD_STATUS_STOP_I_S	0x04
89#	define SGD_STATUS_EOL		0x02
90#	define SGD_STATUS_FLAG		0x01
91#	define SGD_STATUS_INTR		(SGD_STATUS_EOL | SGD_STATUS_FLAG)
92
93#define VIA_WR_BASE(n)			(0x60 + (n) * 0x10)
94
95#define VIA_MC_SGD_CONTROL	0x41
96#define VIA_WR0_SGD_CONTROL	0x61
97#define VIA_WR1_SGD_CONTROL	0x71
98#	define SGD_CONTROL_START	0x80
99#	define SGD_CONTROL_STOP		0x40
100#	define SGD_CONTROL_AUTOSTART	0x20
101#	define SGD_CONTROL_PAUSE	0x08
102#	define SGD_CONTROL_I_STOP	0x04
103#	define SGD_CONTROL_I_EOL	0x02
104#	define SGD_CONTROL_I_FLAG	0x01
105
106#define VIA_MC_SGD_FORMAT	0x42
107#	define MC_SGD_16BIT		0x80
108#	define MC_SGD_8BIT		0x00
109#	define MC_SGD_CHANNELS(x)	(((x)& 0x07) << 4)
110
111#define VIA_WR0_SGD_FORMAT	0x62
112#define VIA_WR1_SGD_FORMAT	0x72
113#define VIA_WR_RP_SGD_FORMAT		0x02
114#	define WR_FIFO_ENABLE		0x40
115
116#define VIA_WR0_SGD_INPUT	0x63
117#define VIA_WR1_SGD_INPUT	0x73
118#	define WR_LINE_IN		0x00
119#	define WR_MIC_IN		0x04
120#	define WR_PRIMARY_CODEC		0x00
121#	define WR_SECONDARY_CODEC1	0x01
122#	define WR_SECONDARY_CODEC2	0x02
123#	define WR_SECONDARY_CODEC3	0x03
124
125#define VIA_MC_TABLE_PTR_BASE	0x44
126#define VIA_WR0_TABLE_PTR_BASE	0x64
127#define VIA_WR1_TABLE_PTR_BASE	0x74
128
129#define VIA_MC_SLOT_SELECT	0x48
130#	define SLOT3(x)			(x)
131#	define SLOT4(x)			((x) << 4)
132#	define SLOT7(x)			((x) << 8)
133#	define SLOT8(x)			((x) << 12)
134#	define SLOT6(x)			((x) << 16)
135#	define SLOT9(x)			((x) << 20)
136
137#define VIA_MC_CURRENT_COUNT	0x4c
138
139#define VIA_WR0_FORMAT		0x68
140#define VIA_WR1_FORMAT		0x78
141#	define WR_FORMAT_STOP_INDEX	0xff000000
142#	define WR_FORMAT_STEREO		0x00100000
143#	define WR_FORMAT_16BIT		0x00200000
144
145/* Relative offsets */
146#define VIA_RP_STATUS		0x00
147#define VIA_RP_CONTROL		0x01
148#define VIA_RP_TABLE_PTR	0x04
149#define VIA_RP_CURRENT_COUNT	0x0c
150
151#define VIA_AC97_CONTROL	0x80
152#	define VIA_AC97_CODECID11	0xc0000000
153#	define VIA_AC97_CODECID10	0x80000000
154#	define VIA_AC97_CODECID01	0x40000000
155#	define VIA_AC97_CODEC11_VALID	0x20000000
156#	define VIA_AC97_CODEC10_VALID	0x10000000
157#	define VIA_AC97_CODEC01_VALID	0x08000000
158#	define VIA_AC97_CODEC00_VALID	0x02000000
159#	define VIA_AC97_BUSY		0x01000000
160#	define VIA_AC97_READ		0x00800000
161#	define VIA_AC97_INDEX(x)	((x) << 16)
162#	define VIA_AC97_DATA(x)		((x) & 0xffff)
163
164#define         VIA_CODEC_BUSY                0x01000000
165#define         VIA_CODEC_PRIVALID            0x02000000
166#define         VIA_CODEC_INDEX(x)            ((x)<<16)
167
168#endif /* SYS_SOUND_PCI_VIA8233_H_ */
169