xref: /freebsd/sys/dev/sound/isa/sb.h (revision ae83180158c4c937f170e31eff311b18c0286a93)
1 /*
2  * file: sbcard.h
3  * $FreeBSD$
4  */
5 
6 #ifndef SB_H
7 #define SB_H
8 
9 struct sbc_softc;
10 void sbc_lock(struct sbc_softc *);
11 void 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