sb.h revision 70134 
1/*
2 * file: sbcard.h
3 * $FreeBSD: head/sys/dev/sound/isa/sb.h 70134 2000-12-18 01:36:41Z cg $
4 */
5
6/*
7 * sound blaster registers
8 */
9
10#define SBDSP_RST	0x6
11#define DSP_READ	0xA
12#define DSP_WRITE	0xC
13#define SBDSP_CMD	0xC
14#define SBDSP_STATUS	0xC
15#define DSP_DATA_AVAIL	0xE
16#define DSP_DATA_AVL16	0xF
17
18#define SB_MIX_ADDR	0x4
19#define SB_MIX_DATA	0x5
20#if 0
21#define OPL3_LEFT	(io_base + 0x0)
22#define OPL3_RIGHT	(io_base + 0x2)
23#define OPL3_BOTH	(io_base + 0x8)
24#endif
25
26/*
27 * DSP Commands. There are many, and in many cases they are used explicitly
28 */
29
30/* these are not used except for programmed I/O (not in this driver) */
31#define	DSP_DAC8		0x10	/* direct DAC output */
32#define	DSP_ADC8		0x20	/* direct ADC input */
33
34/* these should be used in the SB 1.0 */
35#define	DSP_CMD_DAC8		0x14	/* single cycle 8-bit dma out */
36#define	DSP_CMD_ADC8		0x24	/* single cycle 8-bit dma in */
37
38/* these should be used in the SB 2.0 and 2.01 */
39#define	DSP_CMD_DAC8_AUTO	0x1c	/* auto 8-bit dma out */
40#define	DSP_CMD_ADC8_AUTO	0x2c	/* auto 8-bit dma out */
41
42#define	DSP_CMD_HSSIZE		0x48	/* high speed dma count */
43#define	DSP_CMD_HSDAC_AUTO	0x90	/* high speed dac, auto */
44#define DSP_CMD_HSADC_AUTO      0x98    /* high speed adc, auto */
45
46/* SBPro commands. Some cards (JAZZ, SMW) also support 16 bits */
47
48	/* prepare for dma input */
49#define	DSP_CMD_DMAMODE(stereo, bit16) (0xA0 | (stereo ? 8:0) | (bit16 ? 4:0))
50
51#define	DSP_CMD_DAC2		0x16	/* 2-bit adpcm dma out (cont) */
52#define	DSP_CMD_DAC2S		0x17	/* 2-bit adpcm dma out (start) */
53
54#define	DSP_CMD_DAC2S_AUTO	0x1f	/* auto 2-bit adpcm dma out (start) */
55
56
57/* SB16 commands */
58#define	DSP_CMD_O16		0xb0
59#define	DSP_CMD_I16		0xb8
60#define	DSP_CMD_O8		0xc0
61#define	DSP_CMD_I8		0xc8
62
63#define	DSP_MODE_U8MONO		0x00
64#define	DSP_MODE_U8STEREO	0x20
65#define	DSP_MODE_S16MONO	0x10
66#define	DSP_MODE_S16STEREO	0x30
67
68#define DSP_CMD_SPKON		0xD1
69#define DSP_CMD_SPKOFF		0xD3
70#define DSP_CMD_SPKR(on)	(0xD1 | (on ? 0:2))
71
72#define	DSP_CMD_DMAPAUSE_8	0xD0
73#define	DSP_CMD_DMAPAUSE_16	0xD5
74#define	DSP_CMD_DMAEXIT_8	0xDA
75#define	DSP_CMD_DMAEXIT_16	0xD9
76#define	DSP_CMD_TCONST		0x40	/* set time constant */
77#define	DSP_CMD_HSDAC		0x91	/* high speed dac */
78#define DSP_CMD_HSADC           0x99    /* high speed adc */
79
80#define	DSP_CMD_GETVER		0xE1
81#define	DSP_CMD_GETID		0xE7	/* return id bytes */
82
83
84#define	DSP_CMD_OUT16		0x41	/* send parms for dma out on sb16 */
85#define	DSP_CMD_IN16		0x42	/* send parms for dma in on sb16 */
86#if 0 /*** unknown ***/
87#define	DSP_CMD_FA		0xFA	/* get version from prosonic*/
88#define	DSP_CMD_FB		0xFB	/* set irq/dma for prosonic*/
89#endif
90
91/*
92 * in fact, for the SB16, dma commands are as follows:
93 *
94 *  cmd, mode, len_low, len_high.
95 *
96 * cmd is a combination of DSP_DMA16 or DSP_DMA8 and
97 */
98
99#define	DSP_DMA16		0xb0
100#define	DSP_DMA8		0xc0
101#   define DSP_F16_DAC		0x00
102#   define DSP_F16_ADC		0x08
103#   define DSP_F16_AUTO		0x04
104#   define DSP_F16_FIFO_ON	0x02
105
106/*
107 * mode is a combination of the following:
108 */
109#define DSP_F16_STEREO	0x20
110#define DSP_F16_SIGNED	0x10
111
112#define IMODE_NONE		0
113#define IMODE_OUTPUT		PCM_ENABLE_OUTPUT
114#define IMODE_INPUT		PCM_ENABLE_INPUT
115#define IMODE_INIT		3
116#define IMODE_MIDI		4
117
118#define NORMAL_MIDI	0
119#define UART_MIDI	1
120
121/*
122 * values used for bd_flags in SoundBlaster driver
123 */
124#define	BD_F_HISPEED	0x0001	/* doing high speed ... */
125
126#if 0
127#define	BD_F_JAZZ16	0x0002	/* jazz16 detected */
128#define	BD_F_JAZZ16_2	0x0004	/* jazz16 type 2 */
129#endif
130
131#define	BD_F_DUP_MIDI	0x0008	/* duplex midi */
132
133#define	BD_F_MIX_MASK	0x0070	/* up to 8 mixers (I know of 3) */
134#define	BD_F_MIX_CT1335	0x0010	/* CT1335		*/
135#define	BD_F_MIX_CT1345	0x0020	/* CT1345		*/
136#define	BD_F_MIX_CT1745	0x0030	/* CT1745		*/
137
138#define	BD_F_SB16	0x0100	/* this is a SB16 */
139#define	BD_F_SB16X	0x0200	/* this is a vibra16X or clone */
140#if 0
141#define	BD_F_MIDIBUSY	0x0400	/* midi busy */
142#endif
143#define	BD_F_ESS	0x0800	/* this is an ESS chip */
144#define BD_F_DMARUN	0x2000
145#define BD_F_DMARUN2	0x4000
146
147/*
148 * Mixer registers of SB Pro
149 */
150#define VOC_VOL		0x04
151#define MIC_VOL		0x0A
152#define MIC_MIX		0x0A
153#define RECORD_SRC	0x0C
154#define IN_FILTER	0x0C
155#define OUT_FILTER	0x0E
156#define MASTER_VOL	0x22
157#define FM_VOL		0x26
158#define CD_VOL		0x28
159#define LINE_VOL	0x2E
160#define IRQ_NR		0x80
161#define DMA_NR		0x81
162#define IRQ_STAT	0x82
163
164/*
165 * Additional registers on the SG NX Pro
166 */
167#define COVOX_VOL	0x42
168#define TREBLE_LVL	0x44
169#define BASS_LVL	0x46
170
171#define FREQ_HI         (1 << 3)/* Use High-frequency ANFI filters */
172#define FREQ_LOW        0	/* Use Low-frequency ANFI filters */
173#define FILT_ON         0	/* Yes, 0 to turn it on, 1 for off */
174#define FILT_OFF        (1 << 5)
175
176#define MONO_DAC	0x00
177#define STEREO_DAC	0x02
178
179/*
180 * Mixer registers of SB16
181 */
182#define SB16_IMASK_L	0x3d
183#define SB16_IMASK_R	0x3e
184#define SB16_OMASK	0x3c
185
186
187
188