xref: /freebsd/sys/dev/sound/isa/sb.h (revision f0adf7f5cdd241db2f2c817683191a6ef64a4e95)
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_lockassert(struct sbc_softc *);
12 void sbc_unlock(struct sbc_softc *);
13 
14 /*
15  * sound blaster registers
16  */
17 
18 #define SBDSP_RST	0x6
19 #define DSP_READ	0xA
20 #define DSP_WRITE	0xC
21 #define SBDSP_CMD	0xC
22 #define SBDSP_STATUS	0xC
23 #define DSP_DATA_AVAIL	0xE
24 #define DSP_DATA_AVL16	0xF
25 
26 #define SB_MIX_ADDR	0x4
27 #define SB_MIX_DATA	0x5
28 #if 0
29 #define OPL3_LEFT	(io_base + 0x0)
30 #define OPL3_RIGHT	(io_base + 0x2)
31 #define OPL3_BOTH	(io_base + 0x8)
32 #endif
33 
34 /*
35  * DSP Commands. There are many, and in many cases they are used explicitly
36  */
37 
38 /* these are not used except for programmed I/O (not in this driver) */
39 #define	DSP_DAC8		0x10	/* direct DAC output */
40 #define	DSP_ADC8		0x20	/* direct ADC input */
41 
42 /* these should be used in the SB 1.0 */
43 #define	DSP_CMD_DAC8		0x14	/* single cycle 8-bit dma out */
44 #define	DSP_CMD_ADC8		0x24	/* single cycle 8-bit dma in */
45 
46 /* these should be used in the SB 2.0 and 2.01 */
47 #define	DSP_CMD_DAC8_AUTO	0x1c	/* auto 8-bit dma out */
48 #define	DSP_CMD_ADC8_AUTO	0x2c	/* auto 8-bit dma out */
49 
50 #define	DSP_CMD_HSSIZE		0x48	/* high speed dma count */
51 #define	DSP_CMD_HSDAC_AUTO	0x90	/* high speed dac, auto */
52 #define DSP_CMD_HSADC_AUTO      0x98    /* high speed adc, auto */
53 
54 /* SBPro commands. Some cards (JAZZ, SMW) also support 16 bits */
55 
56 	/* prepare for dma input */
57 #define	DSP_CMD_DMAMODE(stereo, bit16) (0xA0 | (stereo ? 8:0) | (bit16 ? 4:0))
58 
59 #define	DSP_CMD_DAC2		0x16	/* 2-bit adpcm dma out (cont) */
60 #define	DSP_CMD_DAC2S		0x17	/* 2-bit adpcm dma out (start) */
61 
62 #define	DSP_CMD_DAC2S_AUTO	0x1f	/* auto 2-bit adpcm dma out (start) */
63 
64 
65 /* SB16 commands */
66 #define	DSP_CMD_O16		0xb0
67 #define	DSP_CMD_I16		0xb8
68 #define	DSP_CMD_O8		0xc0
69 #define	DSP_CMD_I8		0xc8
70 
71 #define	DSP_MODE_U8MONO		0x00
72 #define	DSP_MODE_U8STEREO	0x20
73 #define	DSP_MODE_S16MONO	0x10
74 #define	DSP_MODE_S16STEREO	0x30
75 
76 #define DSP_CMD_SPKON		0xD1
77 #define DSP_CMD_SPKOFF		0xD3
78 #define DSP_CMD_SPKR(on)	(0xD1 | (on ? 0:2))
79 
80 #define	DSP_CMD_DMAPAUSE_8	0xD0
81 #define	DSP_CMD_DMAPAUSE_16	0xD5
82 #define	DSP_CMD_DMAEXIT_8	0xDA
83 #define	DSP_CMD_DMAEXIT_16	0xD9
84 #define	DSP_CMD_TCONST		0x40	/* set time constant */
85 #define	DSP_CMD_HSDAC		0x91	/* high speed dac */
86 #define DSP_CMD_HSADC           0x99    /* high speed adc */
87 
88 #define	DSP_CMD_GETVER		0xE1
89 #define	DSP_CMD_GETID		0xE7	/* return id bytes */
90 
91 
92 #define	DSP_CMD_OUT16		0x41	/* send parms for dma out on sb16 */
93 #define	DSP_CMD_IN16		0x42	/* send parms for dma in on sb16 */
94 #if 0 /*** unknown ***/
95 #define	DSP_CMD_FA		0xFA	/* get version from prosonic*/
96 #define	DSP_CMD_FB		0xFB	/* set irq/dma for prosonic*/
97 #endif
98 
99 /*
100  * in fact, for the SB16, dma commands are as follows:
101  *
102  *  cmd, mode, len_low, len_high.
103  *
104  * cmd is a combination of DSP_DMA16 or DSP_DMA8 and
105  */
106 
107 #define	DSP_DMA16		0xb0
108 #define	DSP_DMA8		0xc0
109 #   define DSP_F16_DAC		0x00
110 #   define DSP_F16_ADC		0x08
111 #   define DSP_F16_AUTO		0x04
112 #   define DSP_F16_FIFO_ON	0x02
113 
114 /*
115  * mode is a combination of the following:
116  */
117 #define DSP_F16_STEREO	0x20
118 #define DSP_F16_SIGNED	0x10
119 
120 #define IMODE_NONE		0
121 #define IMODE_OUTPUT		PCM_ENABLE_OUTPUT
122 #define IMODE_INPUT		PCM_ENABLE_INPUT
123 #define IMODE_INIT		3
124 #define IMODE_MIDI		4
125 
126 #define NORMAL_MIDI	0
127 #define UART_MIDI	1
128 
129 /*
130  * values used for bd_flags in SoundBlaster driver
131  */
132 #define	BD_F_HISPEED	0x0001	/* doing high speed ... */
133 
134 #if 0
135 #define	BD_F_JAZZ16	0x0002	/* jazz16 detected */
136 #define	BD_F_JAZZ16_2	0x0004	/* jazz16 type 2 */
137 #endif
138 
139 #define	BD_F_DUP_MIDI	0x0008	/* duplex midi */
140 
141 #define	BD_F_MIX_MASK	0x0070	/* up to 8 mixers (I know of 3) */
142 #define	BD_F_MIX_CT1335	0x0010	/* CT1335		*/
143 #define	BD_F_MIX_CT1345	0x0020	/* CT1345		*/
144 #define	BD_F_MIX_CT1745	0x0030	/* CT1745		*/
145 
146 #define	BD_F_SB16	0x0100	/* this is a SB16 */
147 #define	BD_F_SB16X	0x0200	/* this is a vibra16X or clone */
148 #if 0
149 #define	BD_F_MIDIBUSY	0x0400	/* midi busy */
150 #endif
151 #define	BD_F_ESS	0x0800	/* this is an ESS chip */
152 #define BD_F_DMARUN	0x2000
153 #define BD_F_DMARUN2	0x4000
154 
155 /*
156  * Mixer registers of SB Pro
157  */
158 #define VOC_VOL		0x04
159 #define MIC_VOL		0x0A
160 #define MIC_MIX		0x0A
161 #define RECORD_SRC	0x0C
162 #define IN_FILTER	0x0C
163 #define OUT_FILTER	0x0E
164 #define MASTER_VOL	0x22
165 #define FM_VOL		0x26
166 #define CD_VOL		0x28
167 #define LINE_VOL	0x2E
168 #define IRQ_NR		0x80
169 #define DMA_NR		0x81
170 #define IRQ_STAT	0x82
171 
172 /*
173  * Additional registers on the SG NX Pro
174  */
175 #define COVOX_VOL	0x42
176 #define TREBLE_LVL	0x44
177 #define BASS_LVL	0x46
178 
179 #define FREQ_HI         (1 << 3)/* Use High-frequency ANFI filters */
180 #define FREQ_LOW        0	/* Use Low-frequency ANFI filters */
181 #define FILT_ON         0	/* Yes, 0 to turn it on, 1 for off */
182 #define FILT_OFF        (1 << 5)
183 
184 #define MONO_DAC	0x00
185 #define STEREO_DAC	0x02
186 
187 /*
188  * Mixer registers of SB16
189  */
190 #define SB16_IMASK_L	0x3d
191 #define SB16_IMASK_R	0x3e
192 #define SB16_OMASK	0x3c
193 #endif
194