sb.h revision 74763 
1/*
2 * file: sbcard.h
3 * $FreeBSD: head/sys/dev/sound/isa/sb.h 74763 2001-03-24 23:10:29Z cg $
4 */
5
6#ifndef SB_H
7#define SB_H
8
9struct sbc_softc;
10void sbc_lock(struct sbc_softc *);
11void sbc_unlock(struct sbc_softc *);
12
13/*
14 * sound blaster registers
15 */
16
17#define SBDSP_RST	0x6
18#define DSP_READ	0xA
19#define DSP_WRITE	0xC
20#define SBDSP_CMD	0xC
21#define SBDSP_STATUS	0xC
22#define DSP_DATA_AVAIL	0xE
23#define DSP_DATA_AVL16	0xF
24
25#define SB_MIX_ADDR	0x4
26#define SB_MIX_DATA	0x5
27#if 0
28#define OPL3_LEFT	(io_base + 0x0)
29#define OPL3_RIGHT	(io_base + 0x2)
30#define OPL3_BOTH	(io_base + 0x8)
31#endif
32
33/*
34 * DSP Commands. There are many, and in many cases they are used explicitly
35 */
36
37/* these are not used except for programmed I/O (not in this driver) */
38#define	DSP_DAC8		0x10	/* direct DAC output */
39#define	DSP_ADC8		0x20	/* direct ADC input */
40
41/* these should be used in the SB 1.0 */
42#define	DSP_CMD_DAC8		0x14	/* single cycle 8-bit dma out */
43#define	DSP_CMD_ADC8		0x24	/* single cycle 8-bit dma in */
44
45/* these should be used in the SB 2.0 and 2.01 */
46#define	DSP_CMD_DAC8_AUTO	0x1c	/* auto 8-bit dma out */
47#define	DSP_CMD_ADC8_AUTO	0x2c	/* auto 8-bit dma out */
48
49#define	DSP_CMD_HSSIZE		0x48	/* high speed dma count */
50#define	DSP_CMD_HSDAC_AUTO	0x90	/* high speed dac, auto */
51#define DSP_CMD_HSADC_AUTO      0x98    /* high speed adc, auto */
52
53/* SBPro commands. Some cards (JAZZ, SMW) also support 16 bits */
54
55	/* prepare for dma input */
56#define	DSP_CMD_DMAMODE(stereo, bit16) (0xA0 | (stereo ? 8:0) | (bit16 ? 4:0))
57
58#define	DSP_CMD_DAC2		0x16	/* 2-bit adpcm dma out (cont) */
59#define	DSP_CMD_DAC2S		0x17	/* 2-bit adpcm dma out (start) */
60
61#define	DSP_CMD_DAC2S_AUTO	0x1f	/* auto 2-bit adpcm dma out (start) */
62
63
64/* SB16 commands */
65#define	DSP_CMD_O16		0xb0
66#define	DSP_CMD_I16		0xb8
67#define	DSP_CMD_O8		0xc0
68#define	DSP_CMD_I8		0xc8
69
70#define	DSP_MODE_U8MONO		0x00
71#define	DSP_MODE_U8STEREO	0x20
72#define	DSP_MODE_S16MONO	0x10
73#define	DSP_MODE_S16STEREO	0x30
74
75#define DSP_CMD_SPKON		0xD1
76#define DSP_CMD_SPKOFF		0xD3
77#define DSP_CMD_SPKR(on)	(0xD1 | (on ? 0:2))
78
79#define	DSP_CMD_DMAPAUSE_8	0xD0
80#define	DSP_CMD_DMAPAUSE_16	0xD5
81#define	DSP_CMD_DMAEXIT_8	0xDA
82#define	DSP_CMD_DMAEXIT_16	0xD9
83#define	DSP_CMD_TCONST		0x40	/* set time constant */
84#define	DSP_CMD_HSDAC		0x91	/* high speed dac */
85#define DSP_CMD_HSADC           0x99    /* high speed adc */
86
87#define	DSP_CMD_GETVER		0xE1
88#define	DSP_CMD_GETID		0xE7	/* return id bytes */
89
90
91#define	DSP_CMD_OUT16		0x41	/* send parms for dma out on sb16 */
92#define	DSP_CMD_IN16		0x42	/* send parms for dma in on sb16 */
93#if 0 /*** unknown ***/
94#define	DSP_CMD_FA		0xFA	/* get version from prosonic*/
95#define	DSP_CMD_FB		0xFB	/* set irq/dma for prosonic*/
96#endif
97
98/*
99 * in fact, for the SB16, dma commands are as follows:
100 *
101 *  cmd, mode, len_low, len_high.
102 *
103 * cmd is a combination of DSP_DMA16 or DSP_DMA8 and
104 */
105
106#define	DSP_DMA16		0xb0
107#define	DSP_DMA8		0xc0
108#   define DSP_F16_DAC		0x00
109#   define DSP_F16_ADC		0x08
110#   define DSP_F16_AUTO		0x04
111#   define DSP_F16_FIFO_ON	0x02
112
113/*
114 * mode is a combination of the following:
115 */
116#define DSP_F16_STEREO	0x20
117#define DSP_F16_SIGNED	0x10
118
119#define IMODE_NONE		0
120#define IMODE_OUTPUT		PCM_ENABLE_OUTPUT
121#define IMODE_INPUT		PCM_ENABLE_INPUT
122#define IMODE_INIT		3
123#define IMODE_MIDI		4
124
125#define NORMAL_MIDI	0
126#define UART_MIDI	1
127
128/*
129 * values used for bd_flags in SoundBlaster driver
130 */
131#define	BD_F_HISPEED	0x0001	/* doing high speed ... */
132
133#if 0
134#define	BD_F_JAZZ16	0x0002	/* jazz16 detected */
135#define	BD_F_JAZZ16_2	0x0004	/* jazz16 type 2 */
136#endif
137
138#define	BD_F_DUP_MIDI	0x0008	/* duplex midi */
139
140#define	BD_F_MIX_MASK	0x0070	/* up to 8 mixers (I know of 3) */
141#define	BD_F_MIX_CT1335	0x0010	/* CT1335		*/
142#define	BD_F_MIX_CT1345	0x0020	/* CT1345		*/
143#define	BD_F_MIX_CT1745	0x0030	/* CT1745		*/
144
145#define	BD_F_SB16	0x0100	/* this is a SB16 */
146#define	BD_F_SB16X	0x0200	/* this is a vibra16X or clone */
147#if 0
148#define	BD_F_MIDIBUSY	0x0400	/* midi busy */
149#endif
150#define	BD_F_ESS	0x0800	/* this is an ESS chip */
151#define BD_F_DMARUN	0x2000
152#define BD_F_DMARUN2	0x4000
153
154/*
155 * Mixer registers of SB Pro
156 */
157#define VOC_VOL		0x04
158#define MIC_VOL		0x0A
159#define MIC_MIX		0x0A
160#define RECORD_SRC	0x0C
161#define IN_FILTER	0x0C
162#define OUT_FILTER	0x0E
163#define MASTER_VOL	0x22
164#define FM_VOL		0x26
165#define CD_VOL		0x28
166#define LINE_VOL	0x2E
167#define IRQ_NR		0x80
168#define DMA_NR		0x81
169#define IRQ_STAT	0x82
170
171/*
172 * Additional registers on the SG NX Pro
173 */
174#define COVOX_VOL	0x42
175#define TREBLE_LVL	0x44
176#define BASS_LVL	0x46
177
178#define FREQ_HI         (1 << 3)/* Use High-frequency ANFI filters */
179#define FREQ_LOW        0	/* Use Low-frequency ANFI filters */
180#define FILT_ON         0	/* Yes, 0 to turn it on, 1 for off */
181#define FILT_OFF        (1 << 5)
182
183#define MONO_DAC	0x00
184#define STEREO_DAC	0x02
185
186/*
187 * Mixer registers of SB16
188 */
189#define SB16_IMASK_L	0x3d
190#define SB16_IMASK_R	0x3e
191#define SB16_OMASK	0x3c
192#endif
193