1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2001 Orion Hodson <O.Hodson@cs.ucl.ac.uk>
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
29/* ------------------------------------------------------------------------- */
30/* PCI Configuration Register Offsets */
31
32#define SV_PCI_COMPAT	0x10
33#define SV_PCI_ENHANCED 0x14
34#define SV_PCI_FMSYNTH	0x18
35#define SV_PCI_MIDI	0x1c
36#define SV_PCI_GAMES	0x20
37#define SV_PCI_DMAA	0x40
38#define SV_PCI_DMAC	0x48
39
40#define SV_PCI_DMAA_SIZE	0x10
41#define SV_PCI_DMAA_ALIGN	0x10
42#define SV_PCI_DMAC_SIZE	0x10
43#define SV_PCI_DMAC_ALIGN	0x10
44
45#define SV_PCI_ENHANCED_SIZE	0x08
46
47#define SV_PCI_DMA_ENABLE	0x00000001
48#define SV_PCI_DMA_EXTENDED	0x00000008
49
50/* ------------------------------------------------------------------------- */
51/* DMA Configuration Registers */
52
53#define SV_DMA_ADDR	0x00
54#define SV_DMA_COUNT	0x04
55
56#define	SV_DMA_MODE	0x0B
57#define 	SV_DMA_MODE_AUTO	0x10
58#define		SV_DMA_MODE_RD		0x04
59#define		SV_DMA_MODE_WR		0x08
60
61/* ------------------------------------------------------------------------- */
62/* Enhanced Mode Configuration Registers */
63
64#define SV_CM_CONTROL	0x00
65#define		SV_CM_CONTROL_ENHANCED	0x01
66#define		SV_CM_CONTROL_TEST	0x02
67#define		SV_CM_CONTROL_REVERB	0x04
68#define		SV_CM_CONTROL_PWS	0x08
69#define		SV_CM_CONTROL_INTA	0x20
70#define		SV_CM_CONTROL_RESET	0x80
71
72#define SV_CM_IMR	0x01
73#define		SV_CM_IMR_AMSK		0x01
74#define		SV_CM_IMR_CMSK		0x04
75#define		SV_CM_IMR_SMSK		0x08
76#define		SV_CM_IMR_UDM		0x40
77#define		SV_CM_IMR_MIDM		0x80
78
79#define SV_CM_STATUS	0x02
80#define		SV_CM_STATUS_AINT	0x01
81#define		SV_CM_STATUS_CINT	0x04
82#define		SV_CM_STATUS_SINT	0x08
83#define		SV_CM_STATUS_UDI	0x40
84#define		SV_CM_STATUS_MI		0x80
85
86#define SV_CM_INDEX	0x04
87#define		SV_CM_INDEX_MASK	0x3f
88#define		SV_CM_INDEX_MCE		0x40
89#define		SV_CM_INDEX_TRD		0x80
90
91#define SV_CM_DATA	0x05
92
93/* ------------------------------------------------------------------------- */
94/* Indexed Codec/Mixer Registers (left channels were applicable) */
95
96#define SV_REG_ADC_INPUT	0x00
97#define 	SV_INPUT_GAIN_MASK	0x0f
98#define		SV_INPUT_MICGAIN	0x10
99#define		SV_INPUT_CD		0x20
100#define 	SV_INPUT_DAC		0x40
101#define 	SV_INPUT_AUX2		0x60
102#define 	SV_INPUT_LINE		0x80
103#define 	SV_INPUT_AUX1		0xa0
104#define 	SV_INPUT_MIC		0xc0
105#define		SV_INPUT_MIXOUT		0xe0
106
107#define	SV_REG_AUX1		0x02
108#define	SV_REG_CD		0x04
109#define	SV_REG_LINE		0x06
110#define	SV_REG_MIC		0x08
111#define	SV_REG_SYNTH		0x0a
112#define	SV_REG_AUX2		0x0c
113#define	SV_REG_MIX		0x0e
114#define	SV_REG_PCM		0x10
115#define		SV_DEFAULT_MAX		0x1f
116#define		SV_ADC_MAX		0x0f
117#define		SV_MIC_MAX		0x0f
118#define 	SV_PCM_MAX		0x3f
119#define 	SV_MUTE			0x80
120
121#define SV_REG_FORMAT		0x12
122#define		SV_AFMT_MONO	0x00
123#define		SV_AFMT_STEREO	0x01
124#define		SV_AFMT_S16	0x02
125#define		SV_AFMT_U8	0x00
126#define		SV_AFMT_DMAA(x)		(x)
127#define		SV_AFMT_DMAA_MSK	0x03
128#define		SV_AFMT_DMAC(x)		((x) << 4)
129#define		SV_AFMT_DMAC_MSK	0x30
130
131#define SV_REG_ENABLE		0x13
132#define		SV_PLAY_ENABLE		0x01
133#define		SV_RECORD_ENABLE	0x02
134#define		SV_PLAYBACK_PAUSE	0x04
135
136#define SV_REG_REVISION	0x15
137
138#define SV_REG_LOOPBACK	0x16
139#define		SV_LOOPBACK_ENABLE	0x01
140#define		SV_LOOPBACK_MAX		0x3f
141#define		SV_LOOPBACK_LEVEL(x)	((x) << 2)
142
143#define	SV_REG_DMAA_COUNT_HI	0x18
144#define	SV_REG_DMAA_COUNT_LO	0x19
145#define	SV_REG_DMAC_COUNT_HI	0x1c
146#define	SV_REG_DMAC_COUNT_LO	0x1d
147
148#define SV_REG_PCM_SAMPLING_LO	0x1e
149#define SV_REG_PCM_SAMPLING_HI	0x1f
150
151#define SV_REG_SYN_SAMPLING_LO 	0x20
152#define SV_REG_SYN_SAMPLING_HI 	0x21
153
154#define SV_REG_CLOCK_SOURCE	0x22
155#define		SV_CLOCK_ALTERNATE	0x10
156#define SV_REG_ALT_RATE	0x23
157
158#define SV_REG_ADC_PLLM	0x24
159#define SV_REG_ADC_PLLN	0x25
160#define 	SV_ADC_PLLN(x)		((x) & 0x1f)
161#define		SV_ADC_PLLR(x)		((x) << 5)
162
163#define SV_REG_SYNTH_PLLM	0x26
164#define SV_REG_SYNTH_PLLN	0x27
165#define 	SV_SYNTH_PLLN(x)	((x) & 0x1f)
166#define		SV_SYNTH_PLLR(x)	((x) << 5)
167
168#define SV_REG_SRS_SPACE	0x2c
169#define		SV_SRS_SPACE_100	0x00
170#define		SV_SRS_SPACE_75		0x01
171#define		SV_SRS_SPACE_50		0x02
172#define		SV_SRS_SPACE_25		0x03
173#define		SV_SRS_SPACE_0		0x04
174#define		SV_SRS_DISABLED		0x80
175
176#define	SV_REG_SRS_CENTER	0x2d
177#define		SV_SRS_CENTER_100	0x00
178#define		SV_SRS_CENTER_75	0x01
179#define		SV_SRS_CENTER_50	0x02
180#define		SV_SRS_CENTER_25	0x03
181#define		SV_SRS_CENTER_0		0x04
182
183#define SV_REG_ANALOG_PWR	0x30
184#define		SV_ANALOG_OFF_DAC	0x01
185#define		SV_ANALOG_OFF_ADC	0x08
186#define		SV_ANALOG_OFF_MIX	0x10
187#define		SV_ANALOG_OFF_SRS	0x20
188#define		SV_ANALOG_OFF_SPLL	0x40
189#define		SV_ANALOG_OFF_APLL	0x80
190#define		SV_ANALOG_OFF		0xf9
191
192#define	SV_REG_DIGITAL_PWR	0x31
193#define		SV_DIGITAL_OFF_SYN	0x01
194#define		SV_DIGITAL_OFF_MU	0x02
195#define		SV_DIGITAL_OFF_GP	0x04
196#define		SV_DIGITAL_OFF_BI	0x08
197#define		SV_DIGITAL_OFF		0x0f
198
199/* ------------------------------------------------------------------------- */
200/* ADC PLL constants */
201
202#define		SV_F_SCALE		512
203#define		SV_F_REF		24576000
204