1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 * $FreeBSD$
29 */
30
31/* ------------------------------------------------------------------------- */
32/* PCI Configuration Register Offsets */
33
34#define SV_PCI_COMPAT	0x10
35#define SV_PCI_ENHANCED 0x14
36#define SV_PCI_FMSYNTH	0x18
37#define SV_PCI_MIDI	0x1c
38#define SV_PCI_GAMES	0x20
39#define SV_PCI_DMAA	0x40
40#define SV_PCI_DMAC	0x48
41
42#define SV_PCI_DMAA_SIZE	0x10
43#define SV_PCI_DMAA_ALIGN	0x10
44#define SV_PCI_DMAC_SIZE	0x10
45#define SV_PCI_DMAC_ALIGN	0x10
46
47#define SV_PCI_ENHANCED_SIZE	0x08
48
49#define SV_PCI_DMA_ENABLE	0x00000001
50#define SV_PCI_DMA_EXTENDED	0x00000008
51
52/* ------------------------------------------------------------------------- */
53/* DMA Configuration Registers */
54
55#define SV_DMA_ADDR	0x00
56#define SV_DMA_COUNT	0x04
57
58#define	SV_DMA_MODE	0x0B
59#define 	SV_DMA_MODE_AUTO	0x10
60#define		SV_DMA_MODE_RD		0x04
61#define		SV_DMA_MODE_WR		0x08
62
63/* ------------------------------------------------------------------------- */
64/* Enhanced Mode Configuration Registers */
65
66#define SV_CM_CONTROL	0x00
67#define		SV_CM_CONTROL_ENHANCED	0x01
68#define		SV_CM_CONTROL_TEST	0x02
69#define		SV_CM_CONTROL_REVERB	0x04
70#define		SV_CM_CONTROL_PWS	0x08
71#define		SV_CM_CONTROL_INTA	0x20
72#define		SV_CM_CONTROL_RESET	0x80
73
74#define SV_CM_IMR	0x01
75#define		SV_CM_IMR_AMSK		0x01
76#define		SV_CM_IMR_CMSK		0x04
77#define		SV_CM_IMR_SMSK		0x08
78#define		SV_CM_IMR_UDM		0x40
79#define		SV_CM_IMR_MIDM		0x80
80
81#define SV_CM_STATUS	0x02
82#define		SV_CM_STATUS_AINT	0x01
83#define		SV_CM_STATUS_CINT	0x04
84#define		SV_CM_STATUS_SINT	0x08
85#define		SV_CM_STATUS_UDI	0x40
86#define		SV_CM_STATUS_MI		0x80
87
88#define SV_CM_INDEX	0x04
89#define		SV_CM_INDEX_MASK	0x3f
90#define		SV_CM_INDEX_MCE		0x40
91#define		SV_CM_INDEX_TRD		0x80
92
93#define SV_CM_DATA	0x05
94
95/* ------------------------------------------------------------------------- */
96/* Indexed Codec/Mixer Registers (left channels were applicable) */
97
98#define SV_REG_ADC_INPUT	0x00
99#define 	SV_INPUT_GAIN_MASK	0x0f
100#define		SV_INPUT_MICGAIN	0x10
101#define		SV_INPUT_CD		0x20
102#define 	SV_INPUT_DAC		0x40
103#define 	SV_INPUT_AUX2		0x60
104#define 	SV_INPUT_LINE		0x80
105#define 	SV_INPUT_AUX1		0xa0
106#define 	SV_INPUT_MIC		0xc0
107#define		SV_INPUT_MIXOUT		0xe0
108
109#define	SV_REG_AUX1		0x02
110#define	SV_REG_CD		0x04
111#define	SV_REG_LINE		0x06
112#define	SV_REG_MIC		0x08
113#define	SV_REG_SYNTH		0x0a
114#define	SV_REG_AUX2		0x0c
115#define	SV_REG_MIX		0x0e
116#define	SV_REG_PCM		0x10
117#define		SV_DEFAULT_MAX		0x1f
118#define		SV_ADC_MAX		0x0f
119#define		SV_MIC_MAX		0x0f
120#define 	SV_PCM_MAX		0x3f
121#define 	SV_MUTE			0x80
122
123#define SV_REG_FORMAT		0x12
124#define		SV_AFMT_MONO	0x00
125#define		SV_AFMT_STEREO	0x01
126#define		SV_AFMT_S16	0x02
127#define		SV_AFMT_U8	0x00
128#define		SV_AFMT_DMAA(x)		(x)
129#define		SV_AFMT_DMAA_MSK	0x03
130#define		SV_AFMT_DMAC(x)		((x) << 4)
131#define		SV_AFMT_DMAC_MSK	0x30
132
133#define SV_REG_ENABLE		0x13
134#define		SV_PLAY_ENABLE		0x01
135#define		SV_RECORD_ENABLE	0x02
136#define		SV_PLAYBACK_PAUSE	0x04
137
138#define SV_REG_REVISION	0x15
139
140#define SV_REG_LOOPBACK	0x16
141#define		SV_LOOPBACK_ENABLE	0x01
142#define		SV_LOOPBACK_MAX		0x3f
143#define		SV_LOOPBACK_LEVEL(x)	((x) << 2)
144
145#define	SV_REG_DMAA_COUNT_HI	0x18
146#define	SV_REG_DMAA_COUNT_LO	0x19
147#define	SV_REG_DMAC_COUNT_HI	0x1c
148#define	SV_REG_DMAC_COUNT_LO	0x1d
149
150#define SV_REG_PCM_SAMPLING_LO	0x1e
151#define SV_REG_PCM_SAMPLING_HI	0x1f
152
153#define SV_REG_SYN_SAMPLING_LO 	0x20
154#define SV_REG_SYN_SAMPLING_HI 	0x21
155
156#define SV_REG_CLOCK_SOURCE	0x22
157#define		SV_CLOCK_ALTERNATE	0x10
158#define SV_REG_ALT_RATE	0x23
159
160#define SV_REG_ADC_PLLM	0x24
161#define SV_REG_ADC_PLLN	0x25
162#define 	SV_ADC_PLLN(x)		((x) & 0x1f)
163#define		SV_ADC_PLLR(x)		((x) << 5)
164
165#define SV_REG_SYNTH_PLLM	0x26
166#define SV_REG_SYNTH_PLLN	0x27
167#define 	SV_SYNTH_PLLN(x)	((x) & 0x1f)
168#define		SV_SYNTH_PLLR(x)	((x) << 5)
169
170#define SV_REG_SRS_SPACE	0x2c
171#define		SV_SRS_SPACE_100	0x00
172#define		SV_SRS_SPACE_75		0x01
173#define		SV_SRS_SPACE_50		0x02
174#define		SV_SRS_SPACE_25		0x03
175#define		SV_SRS_SPACE_0		0x04
176#define		SV_SRS_DISABLED		0x80
177
178#define	SV_REG_SRS_CENTER	0x2d
179#define		SV_SRS_CENTER_100	0x00
180#define		SV_SRS_CENTER_75	0x01
181#define		SV_SRS_CENTER_50	0x02
182#define		SV_SRS_CENTER_25	0x03
183#define		SV_SRS_CENTER_0		0x04
184
185#define SV_REG_ANALOG_PWR	0x30
186#define		SV_ANALOG_OFF_DAC	0x01
187#define		SV_ANALOG_OFF_ADC	0x08
188#define		SV_ANALOG_OFF_MIX	0x10
189#define		SV_ANALOG_OFF_SRS	0x20
190#define		SV_ANALOG_OFF_SPLL	0x40
191#define		SV_ANALOG_OFF_APLL	0x80
192#define		SV_ANALOG_OFF		0xf9
193
194#define	SV_REG_DIGITAL_PWR	0x31
195#define		SV_DIGITAL_OFF_SYN	0x01
196#define		SV_DIGITAL_OFF_MU	0x02
197#define		SV_DIGITAL_OFF_GP	0x04
198#define		SV_DIGITAL_OFF_BI	0x08
199#define		SV_DIGITAL_OFF		0x0f
200
201/* ------------------------------------------------------------------------- */
202/* ADC PLL constants */
203
204#define		SV_F_SCALE		512
205#define		SV_F_REF		24576000
206