xref: /netbsd/sys/dev/isa/sbreg.h (revision bf9ec67e)
1 /*	$NetBSD: sbreg.h,v 1.29 1999/11/02 23:35:02 augustss Exp $	*/
2 
3 /*
4  * Copyright (c) 1991-1993 Regents of the University of California.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the Computer Systems
18  *	Engineering Group at Lawrence Berkeley Laboratory.
19  * 4. Neither the name of the University nor of the Laboratory may be used
20  *    to endorse or promote products derived from this software without
21  *    specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  *	From: Header: sbreg.h,v 1.3 93/07/18 14:07:28 mccanne Exp (LBL)
36  */
37 
38 /*
39  * SoundBlaster register definitions.
40  * See "The Developer Kit for Sound Blaster Series, User's Guide" for more
41  * complete information (avialable from Creative Labs, Inc.).  We refer
42  * to this documentation as "SBK".
43  *
44  * We handle two types of cards: the basic SB version 2.0+, and
45  * the SB PRO.  There are several distinct pieces of the hardware:
46  *
47  *   joystick port	(independent of I/O base address)
48  *   FM synth		(stereo on PRO)
49  *   mixer		(PRO only)
50  *   DSP (sic)
51  *   CD-ROM		(PRO only)
52  *
53  * The MIDI capabilities are handled by the DSP unit.
54  */
55 
56 /*
57  * Address map.  The SoundBlaster can be configured (via jumpers) for
58  * either base I/O address 0x220 or 0x240.  The encodings below give
59  * the offsets to specific SB ports.  SBP stands for SB port offset.
60  */
61 #define SBP_LFM_STATUS		0	/* R left FM status port */
62 #define SBP_LFM_ADDR		0	/* W left FM address register */
63 #define SBP_LFM_DATA		1	/* RW left FM data port */
64 #define SBP_RFM_STATUS		2	/* R right FM status port */
65 #define SBP_RFM_ADDR		2	/* W right FM address register */
66 #define SBP_RFM_DATA		3	/* RW right FM data port */
67 
68 #define SBP_FM_STATUS		8	/* R FM status port */
69 #define SBP_FM_ADDR		8	/* W FM address register */
70 #define SBP_FM_DATA		9	/* RW FM data port */
71 #define SBP_MIXER_ADDR		4	/* W mixer address register */
72 #define SBP_MIXER_DATA		5	/* RW mixer data port */
73 
74 #define	SBP_MIX_RESET		0x00	/* mixer reset port, value */
75 #define SBP_1335_MASTER_VOL	0x02
76 #define	SBP_1335_MIDI_VOL	0x06
77 #define	SBP_1335_CD_VOL		0x08
78 #define	SBP_1335_VOICE_VOL	0x0A
79 
80 #define	SBP_VOICE_VOL		0x04
81 #define	SBP_MIC_VOL		0x0A	/* warning: only one channel of volume... */
82 #define	SBP_MASTER_VOL		0x22
83 #define	SBP_MIDI_VOL		0x26
84 #define	SBP_CD_VOL		0x28
85 #define	SBP_LINE_VOL		0x2E
86 
87 #define	SBP_RECORD_SOURCE	0x0C
88 #define	SBP_STEREO		0x0E
89 #define		SBP_PLAYMODE_STEREO	0x2
90 #define		SBP_PLAYMODE_MONO	0x0
91 #define		SBP_PLAYMODE_MASK	0x2
92 #define	SBP_OUTFILTER		0x0E
93 #define	SBP_INFILTER		0x0C
94 
95 #define	SBP_RECORD_FROM(src, filteron, high) ((src) | (filteron) | (high))
96 #define		SBP_FILTER_ON		0x0
97 #define		SBP_FILTER_OFF		0x20
98 #define		SBP_IFILTER_MASK	0x28
99 #define		SBP_OFILTER_MASK	0x20
100 #define		SBP_IFILTER_LOW		0
101 #define		SBP_IFILTER_HIGH	0x08
102 #define		SBP_FROM_MIC		0x00
103 #define		SBP_FROM_CD		0x02
104 #define		SBP_FROM_LINE		0x06
105 
106 #define SBP_SET_IRQ		0x80	/* Soft-configured irq (SB16-) */
107 #define SBP_SET_DRQ		0x81	/* Soft-configured drq (SB16-) */
108 #define	SBP_IRQ_STATUS		0x82	/* Pending IRQ status (SB16-) */
109 #define		SBP_IRQ_MPU401	0x04
110 #define		SBP_IRQ_DMA16	0x02
111 #define		SBP_IRQ_DMA8	0x01
112 #define SBP_MPU_ADDR		0x84	/* Vibra16 register */
113 
114 #define SB16P_MASTER_L		0x30
115 #define SB16P_VOICE_L		0x32
116 #define SB16P_MIDI_L		0x34
117 #define SB16P_CD_L		0x36
118 #define SB16P_LINE_L		0x38
119 #define SB16P_MIC_L		0x3a
120 #define SB16P_PCSPEAKER		0x3b
121 #define SB16P_OSWITCH		0x3c
122 #define SB16P_ISWITCH_L		0x3d
123 #define SB16P_ISWITCH_R		0x3e
124 #define 	SB16P_SW_MIC	0x01
125 #define 	SB16P_SW_CD_R	0x02
126 #define 	SB16P_SW_CD_L	0x04
127 #define 	SB16P_SW_CD	(SB16P_SW_CD_L|SB16P_SW_CD_R)
128 #define 	SB16P_SW_LINE_R	0x08
129 #define 	SB16P_SW_LINE_L	0x10
130 #define 	SB16P_SW_LINE	(SB16P_SW_LINE_L|SB16P_SW_LINE_R)
131 #define 	SB16P_SW_MIDI_R	0x20
132 #define 	SB16P_SW_MIDI_L	0x40
133 #define 	SB16P_SW_MIDI	(SB16P_SW_MIDI_L|SB16P_SW_MIDI_R)
134 #define SB16P_INPUT_GAIN_L	0x3f
135 #define SB16P_OUTPUT_GAIN_L	0x41
136 #define SB16P_TREBLE_L		0x44
137 #define SB16P_BASS_L		0x46
138 #define SB16P_L_TO_R(l) ((l)+1)
139 
140 #define SB16P_AGC		0x43
141 
142 #define SBP_RECORD_SOURCE_L	0x3d
143 #define SBP_RECORD_SOURCE_R	0x3e
144 #define 	SBP_MIDI_SRC_R	0x20
145 #define 	SBP_LINE_SRC_R	0x08
146 #define 	SBP_CD_SRC_R	0x02
147 #define 	SBP_MIC_SRC	0x01
148 #define SB_SRC_R_TO_L(x) ((x) << 1)
149 
150 #define SB_STEREO_GAIN(left, right) ((left) | ((right) >> 4))
151 #define SB_MIC_GAIN(v) ((v) >> 5)
152 
153 #define SB_ADJUST_MIC_GAIN(sc, x) sbdsp_adjust((x), ISSB16CLASS(sc) ? 0xf8 : 0xc0)
154 #define SB_ADJUST_GAIN(sc, x)     sbdsp_adjust((x), ISSB16CLASS(sc) ? 0xf8 : 0xe0)
155 #define SB_ADJUST_2_GAIN(sc, x)   sbdsp_adjust((x), 0xc0)
156 
157 #define SB_1335_GAIN(x) ((x) >> 4)
158 #define SB_1335_MASTER_GAIN(x) ((x) >> 5)
159 
160 #define SBP_DSP_RESET		6	/* W reset port */
161 #define 	SB_MAGIC	0xaa	/* card outputs on successful reset */
162 #define SBP_DSP_READ		10 	/* R read port */
163 #define SBP_DSP_WRITE		12	/* W write port */
164 #define SBP_DSP_WSTAT		12	/* R write status */
165 #define SBP_DSP_RSTAT		14	/* R read status */
166 #define 	SB_DSP_BUSY	0x80
167 #define 	SB_DSP_READY	0x80
168 #define	SBP_DSP_IRQACK8		14	/* R acknowledge DSP IRQ, 8-bit */
169 #define	SBP_DSP_IRQACK16	15	/* R acknowledge DSP IRQ, 16-bit */
170 #define SBP_CDROM_DATA		16	/* RW send cmds/recv data */
171 #define SBP_CDROM_STATUS	17	/* R status port */
172 #define SBP_CDROM_RESET		18	/* W reset register */
173 #define SBP_CDROM_ENABLE	19	/* W enable register */
174 
175 #define SBP_NPORT 24
176 #define SB_NPORT 16
177 #define SB_NMPUPORT 2
178 
179 /*
180  * DSP commands.  This unit handles MIDI and audio capabilities.
181  * The DSP can be reset, data/commands can be read or written to it,
182  * and it can generate interrupts.  Interrupts are generated for MIDI
183  * input or DMA completion.  They seem to have neglected the fact
184  * that it would be nice to have a MIDI transmission complete interrupt.
185  * Worse, the DMA engine is half-duplex.  This means you need to do
186  * (timed) programmed I/O to be able to record and play simulataneously.
187  */
188 #define SB_DSP_DACWRITE		0x10	/* programmed I/O write to DAC */
189 #define SB_DSP_WDMA		0x14	/* begin 8-bit linear DMA output */
190 #define SB_DSP_WDMA_2		0x16	/* begin 2-bit ADPCM DMA output */
191 #define	SB_DSP_WDMA_LOOP	0x1C	/* begin 8-bit linear DMA output loop */
192 #define SB_DSP_ADCREAD		0x20	/* programmed I/O read from ADC */
193 #define SB_DSP_RDMA		0x24	/* begin 8-bit linear DMA input */
194 #define	SB_DSP_RDMA_LOOP	0x2C	/* begin 8-bit linear DMA input loop */
195 #define SB_MIDI_POLL		0x30	/* initiate a polling read for MIDI */
196 #define SB_MIDI_READ		0x31	/* read a MIDI byte on recv intr */
197 #define SB_MIDI_UART_POLL	0x34	/* enter UART mode w/ read polling */
198 #define SB_MIDI_UART_INTR	0x35	/* enter UART mode w/ read intrs */
199 #define SB_MIDI_WRITE		0x38	/* write a MIDI byte (non-UART mode) */
200 #define SB_DSP_TIMECONST	0x40	/* set ADAC time constant */
201 #define	SB_DSP16_OUTPUTRATE	0x41	/* set ADAC output rate */
202 #define	SB_DSP16_INPUTRATE	0x42	/* set ADAC input rate */
203 #define SB_DSP_BLOCKSIZE	0x48	/* set blk size for high speed xfer */
204 #define SB_DSP_WDMA_4		0x74	/* begin 4-bit ADPCM DMA output */
205 #define SB_DSP_WDMA_2_6		0x76	/* begin 2.6-bit ADPCM DMA output */
206 #define SB_DSP_SILENCE		0x80	/* send a block of silence */
207 #define SB_DSP_HS_OUTPUT	0x90	/* set high speed mode for wdma */
208 #define SB_DSP_HS_INPUT		0x98	/* set high speed mode for rdma */
209 #define SB_DSP_RECORD_MONO	0xA0	/* set mono recording */
210 #define SB_DSP_RECORD_STEREO	0xA8	/* set stereo recording */
211 #define	SB_DSP16_WDMA_16	0xB6	/* begin 16-bit linear output */
212 #define	SB_DSP16_RDMA_16	0xBE	/* begin 16-bit linear input */
213 #define	SB_DSP16_WDMA_8		0xC6	/* begin 8-bit linear output */
214 #define	SB_DSP16_RDMA_8		0xCE	/* begin 8-bit linear input */
215 #define SB_DSP_HALT		0xd0	/* suspend 8-bit DMA */
216 #define SB_DSP_SPKR_ON		0xd1	/* turn speaker on */
217 #define SB_DSP_SPKR_OFF		0xd3	/* turn speaker off */
218 #define SB_DSP_CONT		0xd4	/* continue 8-bit DMA */
219 #define	SB_DSP16_HALT		0xd5	/* suspend 16-bit DMA */
220 #define	SB_DSP16_CONT		0xd6	/* continue 16-bit DMA */
221 #define SB_DSP_RD_SPKR		0xd8	/* get speaker status */
222 #define 	SB_SPKR_OFF	0x00
223 #define 	SB_SPKR_ON	0xff
224 #define SB_DSP_VERSION		0xe1	/* get version number */
225 
226 #define SB_BMODE_UNSIGNED	0x00
227 #define SB_BMODE_SIGNED		0x10
228 #define SB_BMODE_STEREO		0x20
229 
230 /* Some of these come from linux driver (It serves as convenient unencumbered
231    documentation) */
232 #define	JAZZ16_READ_VER		0xFA	/* 0x12 means ProSonic/Jazz16? */
233 #define		JAZZ16_VER_JAZZ	0x12
234 #define	JAZZ16_SET_DMAINTR	0xFB
235 
236 #define JAZZ16_CONFIG_PORT	0x201
237 #define	JAZZ16_WAKEUP		0xAF
238 #define	JAZZ16_SETBASE		0x50
239 
240 #define	JAZZ16_RECORD_STEREO	0xAC	/* 16-bit record */
241 #define	JAZZ16_RECORD_MONO	0xA4	/* 16-bit record */
242 
243 /*
244  * These come from Jazz16 chipset documentation, which doesn't include
245  * full register details, alas.  Their source code CD-ROM probably includes
246  * details, but it has an NDA attached.
247  */
248 #define	JAZZ16_DIR_PB 		0x10
249 #define	JAZZ16_SINGLE_PB	0x14
250 #define	JAZZ16_SINGLE_ALAW_PB 	0x17
251 #define	JAZZ16_CONT_PB		0x1C
252 #define	JAZZ16_CONT_ALAW_PB 	0x1F
253 #define	JAZZ16_DIR_PCM_REC	0x20
254 #define	JAZZ16_SINGLE_REC	0x24
255 #define	JAZZ16_SINGLE_ALAW_REC 	0x27
256 #define	JAZZ16_CONT_REC		0x2C
257 #define	JAZZ16_CONT_ALAW_REC 	0x2F
258 #define	JAZZ16_SINGLE_ADPCM_PB 	0x74
259 #define	JAZZ16_SINGLE_MULAW_PB 	0x77
260 #define	JAZZ16_CONT_ADPCM_PB 	0x7C
261 #define	JAZZ16_SINGLE_ADPCM_REC 0x84
262 #define	JAZZ16_SINGLE_MULAW_REC 0x87
263 #define	JAZZ16_CONT_ADPCM_REC 	0x8C
264 #define	JAZZ16_CONT_MULAW_REC 	0x8F
265 #define	JAZZ16_CONT_PB_XX 	0x90
266 #define	JAZZ16_SINGLE_PB_XX	0x91
267 #define	JAZZ16_SINGLE_REC_XX	0x98
268 #define	JAZZ16_CONT_REC_XX	0x99
269 
270 
271 /*
272  * The ADPCM encodings are differential, meaning each sample represents
273  * a difference to add to a running sum.  The inital value is called the
274  * reference, or reference byte.  Any of the ADPCM DMA transfers can specify
275  * that the given transfer begins with a reference byte by or'ing
276  * in the bit below.
277  */
278 #define SB_DSP_REFERENCE	1
279 
280 /*
281  * Macros to detect valid hardware configuration data.
282  */
283 #define SBP_IRQ_VALID(irq)  ((irq) == 5 || (irq) == 7 || (irq) == 9 || (irq) == 10 || (irq) == 15)
284 #define SB_IRQ_VALID(irq)   ((irq) == 3 || (irq) == 5 || (irq) == 7 || (irq) == 9)
285 
286 #define SB16_DRQ_VALID(chan) ((chan) == 0 || (chan) == 1 || (chan) == 3 || \
287 			      (chan) == 5 || (chan) == 6 || (chan) == 7)
288 #define SBP_DRQ_VALID(chan) ((chan) == 0 || (chan) == 1 || (chan) == 3)
289 #define SB_DRQ_VALID(chan)  ((chan) == 1)
290 
291 #define SB_BASE_VALID(base) ((base) == 0x220 || (base) == 0x240 || (base) == 0x260)
292 
293 #define SB_INPUT_RATE	0
294 #define SB_OUTPUT_RATE	1
295 
296