xref: /freebsd/sys/dev/sound/isa/sb.h (revision 1669d8afc64812c8d2d1d147ae1fd42ff441e1b1)
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  * $FreeBSD$
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
217