FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/isa/sb.h
1 /*-
2 * Copyright (c) 1997,1998 Luigi Rizzo
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: releng/7.3/sys/dev/sound/isa/sb.h 166425 2007-02-02 13:33:35Z joel $
27 */
28
29 #ifndef SB_H
30 #define SB_H
31
32 struct sbc_softc;
33 void sbc_lock(struct sbc_softc *);
34 void sbc_lockassert(struct sbc_softc *);
35 void sbc_unlock(struct sbc_softc *);
36
37 /*
38 * sound blaster registers
39 */
40
41 #define SBDSP_RST 0x6
42 #define DSP_READ 0xA
43 #define DSP_WRITE 0xC
44 #define SBDSP_CMD 0xC
45 #define SBDSP_STATUS 0xC
46 #define DSP_DATA_AVAIL 0xE
47 #define DSP_DATA_AVL16 0xF
48
49 #define SB_MIX_ADDR 0x4
50 #define SB_MIX_DATA 0x5
51 #if 0
52 #define OPL3_LEFT (io_base + 0x0)
53 #define OPL3_RIGHT (io_base + 0x2)
54 #define OPL3_BOTH (io_base + 0x8)
55 #endif
56
57 /*
58 * DSP Commands. There are many, and in many cases they are used explicitly
59 */
60
61 /* these are not used except for programmed I/O (not in this driver) */
62 #define DSP_DAC8 0x10 /* direct DAC output */
63 #define DSP_ADC8 0x20 /* direct ADC input */
64
65 /* these should be used in the SB 1.0 */
66 #define DSP_CMD_DAC8 0x14 /* single cycle 8-bit dma out */
67 #define DSP_CMD_ADC8 0x24 /* single cycle 8-bit dma in */
68
69 /* these should be used in the SB 2.0 and 2.01 */
70 #define DSP_CMD_DAC8_AUTO 0x1c /* auto 8-bit dma out */
71 #define DSP_CMD_ADC8_AUTO 0x2c /* auto 8-bit dma out */
72
73 #define DSP_CMD_HSSIZE 0x48 /* high speed dma count */
74 #define DSP_CMD_HSDAC_AUTO 0x90 /* high speed dac, auto */
75 #define DSP_CMD_HSADC_AUTO 0x98 /* high speed adc, auto */
76
77 /* SBPro commands. Some cards (JAZZ, SMW) also support 16 bits */
78
79 /* prepare for dma input */
80 #define DSP_CMD_DMAMODE(stereo, bit16) (0xA0 | (stereo ? 8:0) | (bit16 ? 4:0))
81
82 #define DSP_CMD_DAC2 0x16 /* 2-bit adpcm dma out (cont) */
83 #define DSP_CMD_DAC2S 0x17 /* 2-bit adpcm dma out (start) */
84
85 #define DSP_CMD_DAC2S_AUTO 0x1f /* auto 2-bit adpcm dma out (start) */
86
87
88 /* SB16 commands */
89 #define DSP_CMD_O16 0xb0
90 #define DSP_CMD_I16 0xb8
91 #define DSP_CMD_O8 0xc0
92 #define DSP_CMD_I8 0xc8
93
94 #define DSP_MODE_U8MONO 0x00
95 #define DSP_MODE_U8STEREO 0x20
96 #define DSP_MODE_S16MONO 0x10
97 #define DSP_MODE_S16STEREO 0x30
98
99 #define DSP_CMD_SPKON 0xD1
100 #define DSP_CMD_SPKOFF 0xD3
101 #define DSP_CMD_SPKR(on) (0xD1 | (on ? 0:2))
102
103 #define DSP_CMD_DMAPAUSE_8 0xD0
104 #define DSP_CMD_DMAPAUSE_16 0xD5
105 #define DSP_CMD_DMAEXIT_8 0xDA
106 #define DSP_CMD_DMAEXIT_16 0xD9
107 #define DSP_CMD_TCONST 0x40 /* set time constant */
108 #define DSP_CMD_HSDAC 0x91 /* high speed dac */
109 #define DSP_CMD_HSADC 0x99 /* high speed adc */
110
111 #define DSP_CMD_GETVER 0xE1
112 #define DSP_CMD_GETID 0xE7 /* return id bytes */
113
114
115 #define DSP_CMD_OUT16 0x41 /* send parms for dma out on sb16 */
116 #define DSP_CMD_IN16 0x42 /* send parms for dma in on sb16 */
117 #if 0 /*** unknown ***/
118 #define DSP_CMD_FA 0xFA /* get version from prosonic*/
119 #define DSP_CMD_FB 0xFB /* set irq/dma for prosonic*/
120 #endif
121
122 /*
123 * in fact, for the SB16, dma commands are as follows:
124 *
125 * cmd, mode, len_low, len_high.
126 *
127 * cmd is a combination of DSP_DMA16 or DSP_DMA8 and
128 */
129
130 #define DSP_DMA16 0xb0
131 #define DSP_DMA8 0xc0
132 # define DSP_F16_DAC 0x00
133 # define DSP_F16_ADC 0x08
134 # define DSP_F16_AUTO 0x04
135 # define DSP_F16_FIFO_ON 0x02
136
137 /*
138 * mode is a combination of the following:
139 */
140 #define DSP_F16_STEREO 0x20
141 #define DSP_F16_SIGNED 0x10
142
143 #define IMODE_NONE 0
144 #define IMODE_OUTPUT PCM_ENABLE_OUTPUT
145 #define IMODE_INPUT PCM_ENABLE_INPUT
146 #define IMODE_INIT 3
147 #define IMODE_MIDI 4
148
149 #define NORMAL_MIDI 0
150 #define UART_MIDI 1
151
152 /*
153 * values used for bd_flags in SoundBlaster driver
154 */
155 #define BD_F_HISPEED 0x0001 /* doing high speed ... */
156
157 #if 0
158 #define BD_F_JAZZ16 0x0002 /* jazz16 detected */
159 #define BD_F_JAZZ16_2 0x0004 /* jazz16 type 2 */
160 #endif
161
162 #define BD_F_DUP_MIDI 0x0008 /* duplex midi */
163
164 #define BD_F_MIX_MASK 0x0070 /* up to 8 mixers (I know of 3) */
165 #define BD_F_MIX_CT1335 0x0010 /* CT1335 */
166 #define BD_F_MIX_CT1345 0x0020 /* CT1345 */
167 #define BD_F_MIX_CT1745 0x0030 /* CT1745 */
168
169 #define BD_F_SB16 0x0100 /* this is a SB16 */
170 #define BD_F_SB16X 0x0200 /* this is a vibra16X or clone */
171 #if 0
172 #define BD_F_MIDIBUSY 0x0400 /* midi busy */
173 #endif
174 #define BD_F_ESS 0x0800 /* this is an ESS chip */
175 #define BD_F_DMARUN 0x2000
176 #define BD_F_DMARUN2 0x4000
177
178 /*
179 * Mixer registers of SB Pro
180 */
181 #define VOC_VOL 0x04
182 #define MIC_VOL 0x0A
183 #define MIC_MIX 0x0A
184 #define RECORD_SRC 0x0C
185 #define IN_FILTER 0x0C
186 #define OUT_FILTER 0x0E
187 #define MASTER_VOL 0x22
188 #define FM_VOL 0x26
189 #define CD_VOL 0x28
190 #define LINE_VOL 0x2E
191 #define IRQ_NR 0x80
192 #define DMA_NR 0x81
193 #define IRQ_STAT 0x82
194
195 /*
196 * Additional registers on the SG NX Pro
197 */
198 #define COVOX_VOL 0x42
199 #define TREBLE_LVL 0x44
200 #define BASS_LVL 0x46
201
202 #define FREQ_HI (1 << 3)/* Use High-frequency ANFI filters */
203 #define FREQ_LOW 0 /* Use Low-frequency ANFI filters */
204 #define FILT_ON 0 /* Yes, 0 to turn it on, 1 for off */
205 #define FILT_OFF (1 << 5)
206
207 #define MONO_DAC 0x00
208 #define STEREO_DAC 0x02
209
210 /*
211 * Mixer registers of SB16
212 */
213 #define SB16_IMASK_L 0x3d
214 #define SB16_IMASK_R 0x3e
215 #define SB16_OMASK 0x3c
216 #endif
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