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soundcard.h

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1	#ifndef SOUNDCARD_H
2	#define SOUNDCARD_H
3	/*
4	* Copyright by Hannu Savolainen 1993-1997
5	*
6	* Redistribution and use in source and binary forms, with or without
7	* modification, are permitted provided that the following conditions are
8	* met: 1. Redistributions of source code must retain the above copyright
9	* notice, this list of conditions and the following disclaimer. 2.
10	* Redistributions in binary form must reproduce the above copyright notice,
11	* this list of conditions and the following disclaimer in the documentation
12	* and/or other materials provided with the distribution.
13	*
14	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
15	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17	* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
18	* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20	* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
21	* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24	* SUCH DAMAGE.
25	*/
26
27
28	/*
29	* OSS interface version. With versions earlier than 3.6 this value is
30	* an integer with value less than 361. In versions 3.6 and later
31	* it's a six digit hexadecimal value. For example value
32	* of 0x030600 represents OSS version 3.6.0.
33	* Use ioctl(fd, OSS_GETVERSION, &int) to get the version number of
34	* the currently active driver.
35	*/
36	#define SOUND_VERSION 0x030802
37	#define OPEN_SOUND_SYSTEM
38
39	/* In Linux we need to be prepared for cross compiling */
40	#include <linux/ioctl.h>
41
42	/* Endian macros. */
43	# include <endian.h>
44
45	/*
46	* Supported card ID numbers (Should be somewhere else?)
47	*/
48
49	#define SNDCARD_ADLIB 1
50	#define SNDCARD_SB 2
51	#define SNDCARD_PAS 3
52	#define SNDCARD_GUS 4
53	#define SNDCARD_MPU401 5
54	#define SNDCARD_SB16 6
55	#define SNDCARD_SB16MIDI 7
56	#define SNDCARD_UART6850 8
57	#define SNDCARD_GUS16 9
58	#define SNDCARD_MSS 10
59	#define SNDCARD_PSS 11
60	#define SNDCARD_SSCAPE 12
61	#define SNDCARD_PSS_MPU 13
62	#define SNDCARD_PSS_MSS 14
63	#define SNDCARD_SSCAPE_MSS 15
64	#define SNDCARD_TRXPRO 16
65	#define SNDCARD_TRXPRO_SB 17
66	#define SNDCARD_TRXPRO_MPU 18
67	#define SNDCARD_MAD16 19
68	#define SNDCARD_MAD16_MPU 20
69	#define SNDCARD_CS4232 21
70	#define SNDCARD_CS4232_MPU 22
71	#define SNDCARD_MAUI 23
72	#define SNDCARD_PSEUDO_MSS 24
73	#define SNDCARD_GUSPNP 25
74	#define SNDCARD_UART401 26
75	/* Sound card numbers 27 to N are reserved. Don't add more numbers here. */
76
77	/***********************************
78	* IOCTL Commands for /dev/sequencer
79	*/
80
81	#ifndef _SIOWR
82	#if defined(_IOWR) && (defined(_AIX) \|\| (!defined(sun) && !defined(sparc) && !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__)))
83	/* Use already defined ioctl defines if they exist (except with Sun or Sparc) */
84	#define SIOCPARM_MASK IOCPARM_MASK
85	#define SIOC_VOID IOC_VOID
86	#define SIOC_OUT IOC_OUT
87	#define SIOC_IN IOC_IN
88	#define SIOC_INOUT IOC_INOUT
89	#define _SIOC_SIZE _IOC_SIZE
90	#define _SIOC_DIR _IOC_DIR
91	#define _SIOC_NONE _IOC_NONE
92	#define _SIOC_READ _IOC_READ
93	#define _SIOC_WRITE _IOC_WRITE
94	#define _SIO _IO
95	#define _SIOR _IOR
96	#define _SIOW _IOW
97	#define _SIOWR _IOWR
98	#else
99
100	/* Ioctl's have the command encoded in the lower word,
101	* and the size of any in or out parameters in the upper
102	* word. The high 2 bits of the upper word are used
103	* to encode the in/out status of the parameter; for now
104	* we restrict parameters to at most 8191 bytes.
105	*/
106	/* #define SIOCTYPE (0xff<<8) */
107	#define SIOCPARM_MASK 0x1fff /* parameters must be < 8192 bytes */
108	#define SIOC_VOID 0x00000000 /* no parameters */
109	#define SIOC_OUT 0x20000000 /* copy out parameters */
110	#define SIOC_IN 0x40000000 /* copy in parameters */
111	#define SIOC_INOUT (SIOC_IN\|SIOC_OUT)
112	/* the 0x20000000 is so we can distinguish new ioctl's from old */
113	#define _SIO(x,y) ((int)(SIOC_VOID\|(x<<8)\|y))
114	#define _SIOR(x,y,t) ((int)(SIOC_OUT\|((sizeof(t)&SIOCPARM_MASK)<<16)\|(x<<8)\|y))
115	#define _SIOW(x,y,t) ((int)(SIOC_IN\|((sizeof(t)&SIOCPARM_MASK)<<16)\|(x<<8)\|y))
116	/* this should be _SIORW, but stdio got there first */
117	#define _SIOWR(x,y,t) ((int)(SIOC_INOUT\|((sizeof(t)&SIOCPARM_MASK)<<16)\|(x<<8)\|y))
118	#define _SIOC_SIZE(x) ((x>>16)&SIOCPARM_MASK)
119	#define _SIOC_DIR(x) (x & 0xf0000000)
120	#define _SIOC_NONE SIOC_VOID
121	#define _SIOC_READ SIOC_OUT
122	#define _SIOC_WRITE SIOC_IN
123	# endif /* _IOWR */
124	#endif /* !_SIOWR */
125
126	#define SNDCTL_SEQ_RESET _SIO ('Q', 0)
127	#define SNDCTL_SEQ_SYNC _SIO ('Q', 1)
128	#define SNDCTL_SYNTH_INFO _SIOWR('Q', 2, struct synth_info)
129	#define SNDCTL_SEQ_CTRLRATE _SIOWR('Q', 3, int) /* Set/get timer resolution (HZ) */
130	#define SNDCTL_SEQ_GETOUTCOUNT _SIOR ('Q', 4, int)
131	#define SNDCTL_SEQ_GETINCOUNT _SIOR ('Q', 5, int)
132	#define SNDCTL_SEQ_PERCMODE _SIOW ('Q', 6, int)
133	#define SNDCTL_FM_LOAD_INSTR _SIOW ('Q', 7, struct sbi_instrument) /* Obsolete. Don't use!!!!!! */
134	#define SNDCTL_SEQ_TESTMIDI _SIOW ('Q', 8, int)
135	#define SNDCTL_SEQ_RESETSAMPLES _SIOW ('Q', 9, int)
136	#define SNDCTL_SEQ_NRSYNTHS _SIOR ('Q',10, int)
137	#define SNDCTL_SEQ_NRMIDIS _SIOR ('Q',11, int)
138	#define SNDCTL_MIDI_INFO _SIOWR('Q',12, struct midi_info)
139	#define SNDCTL_SEQ_THRESHOLD _SIOW ('Q',13, int)
140	#define SNDCTL_SYNTH_MEMAVL _SIOWR('Q',14, int) /* in=dev#, out=memsize */
141	#define SNDCTL_FM_4OP_ENABLE _SIOW ('Q',15, int) /* in=dev# */
142	#define SNDCTL_SEQ_PANIC _SIO ('Q',17)
143	#define SNDCTL_SEQ_OUTOFBAND _SIOW ('Q',18, struct seq_event_rec)
144	#define SNDCTL_SEQ_GETTIME _SIOR ('Q',19, int)
145	#define SNDCTL_SYNTH_ID _SIOWR('Q',20, struct synth_info)
146	#define SNDCTL_SYNTH_CONTROL _SIOWR('Q',21, struct synth_control)
147	#define SNDCTL_SYNTH_REMOVESAMPLE _SIOWR('Q',22, struct remove_sample)
148
149	typedef struct synth_control
150	{
151	int devno; /* Synthesizer # */
152	char data[4000]; /* Device spesific command/data record */
153	}synth_control;
154
155	typedef struct remove_sample
156	{
157	int devno; /* Synthesizer # */
158	int bankno; /* MIDI bank # (0=General MIDI) */
159	int instrno; /* MIDI instrument number */
160	} remove_sample;
161
162	typedef struct seq_event_rec {
163	unsigned char arr[8];
164	} seq_event_rec;
165
166	#define SNDCTL_TMR_TIMEBASE _SIOWR('T', 1, int)
167	#define SNDCTL_TMR_START _SIO ('T', 2)
168	#define SNDCTL_TMR_STOP _SIO ('T', 3)
169	#define SNDCTL_TMR_CONTINUE _SIO ('T', 4)
170	#define SNDCTL_TMR_TEMPO _SIOWR('T', 5, int)
171	#define SNDCTL_TMR_SOURCE _SIOWR('T', 6, int)
172	# define TMR_INTERNAL 0x00000001
173	# define TMR_EXTERNAL 0x00000002
174	# define TMR_MODE_MIDI 0x00000010
175	# define TMR_MODE_FSK 0x00000020
176	# define TMR_MODE_CLS 0x00000040
177	# define TMR_MODE_SMPTE 0x00000080
178	#define SNDCTL_TMR_METRONOME _SIOW ('T', 7, int)
179	#define SNDCTL_TMR_SELECT _SIOW ('T', 8, int)
180
181	/*
182	* Some big endian/little endian handling macros
183	*/
184
185	#define _LINUX_PATCHKEY_H_INDIRECT
186	#include <linux/patchkey.h>
187	#undef _LINUX_PATCHKEY_H_INDIRECT
188
189	#if defined(__BYTE_ORDER)
190	# if __BYTE_ORDER == __BIG_ENDIAN
191	# define AFMT_S16_NE AFMT_S16_BE
192	# elif __BYTE_ORDER == __LITTLE_ENDIAN
193	# define AFMT_S16_NE AFMT_S16_LE
194	# else
195	# error "could not determine byte order"
196	# endif
197	#endif
198
199	/*
200	* Sample loading mechanism for internal synthesizers (/dev/sequencer)
201	* The following patch_info structure has been designed to support
202	* Gravis UltraSound. It tries to be universal format for uploading
203	* sample based patches but is probably too limited.
204	*
205	* (PBD) As Hannu guessed, the GUS structure is too limited for
206	* the WaveFront, but this is the right place for a constant definition.
207	*/
208
209	struct patch_info {
210	unsigned short key; /* Use WAVE_PATCH here */
211	#define WAVE_PATCH _PATCHKEY(0x04)
212	#define GUS_PATCH WAVE_PATCH
213	#define WAVEFRONT_PATCH _PATCHKEY(0x06)
214
215	short device_no; /* Synthesizer number */
216	short instr_no; /* Midi pgm# */
217
218	unsigned int mode;
219	/*
220	* The least significant byte has the same format than the GUS .PAT
221	* files
222	*/
223	#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */
224	#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */
225	#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */
226	#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */
227	#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */
228	#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/
229	#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */
230	#define WAVE_FAST_RELEASE 0x80 /* bit 7 = Shut off immediately after note off */
231	/* (use the env_rate/env_offs fields). */
232	/* Linux specific bits */
233	#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */
234	#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */
235	#define WAVE_SCALE 0x00040000 /* The scaling info is valid */
236	#define WAVE_FRACTIONS 0x00080000 /* Fraction information is valid */
237	/* Reserved bits */
238	#define WAVE_ROM 0x40000000 /* For future use */
239	#define WAVE_MULAW 0x20000000 /* For future use */
240	/* Other bits must be zeroed */
241
242	int len; /* Size of the wave data in bytes */
243	int loop_start, loop_end; /* Byte offsets from the beginning */
244
245	/*
246	* The base_freq and base_note fields are used when computing the
247	* playback speed for a note. The base_note defines the tone frequency
248	* which is heard if the sample is played using the base_freq as the
249	* playback speed.
250	*
251	* The low_note and high_note fields define the minimum and maximum note
252	* frequencies for which this sample is valid. It is possible to define
253	* more than one samples for an instrument number at the same time. The
254	* low_note and high_note fields are used to select the most suitable one.
255	*
256	* The fields base_note, high_note and low_note should contain
257	* the note frequency multiplied by 1000. For example value for the
258	* middle A is 440*1000.
259	*/
260
261	unsigned int base_freq;
262	unsigned int base_note;
263	unsigned int high_note;
264	unsigned int low_note;
265	int panning; /* -128=left, 127=right */
266	int detuning;
267
268	/* New fields introduced in version 1.99.5 */
269
270	/* Envelope. Enabled by mode bit WAVE_ENVELOPES */
271	unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */
272	unsigned char env_offset[ 6 ]; /* 255 == 100% */
273
274	/*
275	* The tremolo, vibrato and scale info are not supported yet.
276	* Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
277	* WAVE_SCALE
278	*/
279
280	unsigned char tremolo_sweep;
281	unsigned char tremolo_rate;
282	unsigned char tremolo_depth;
283
284	unsigned char vibrato_sweep;
285	unsigned char vibrato_rate;
286	unsigned char vibrato_depth;
287
288	int scale_frequency;
289	unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */
290
291	int volume;
292	int fractions;
293	int reserved1;
294	int spare[2];
295	char data[1]; /* The waveform data starts here */
296	};
297
298	struct sysex_info {
299	short key; /* Use SYSEX_PATCH or MAUI_PATCH here */
300	#define SYSEX_PATCH _PATCHKEY(0x05)
301	#define MAUI_PATCH _PATCHKEY(0x06)
302	short device_no; /* Synthesizer number */
303	int len; /* Size of the sysex data in bytes */
304	unsigned char data[1]; /* Sysex data starts here */
305	};
306
307	/*
308	* /dev/sequencer input events.
309	*
310	* The data written to the /dev/sequencer is a stream of events. Events
311	* are records of 4 or 8 bytes. The first byte defines the size.
312	* Any number of events can be written with a write call. There
313	* is a set of macros for sending these events. Use these macros if you
314	* want to maximize portability of your program.
315	*
316	* Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
317	* (All input events are currently 4 bytes long. Be prepared to support
318	* 8 byte events also. If you receive any event having first byte >= 128,
319	* it's a 8 byte event.
320	*
321	* The events are documented at the end of this file.
322	*
323	* Normal events (4 bytes)
324	* There is also a 8 byte version of most of the 4 byte events. The
325	* 8 byte one is recommended.
326	*/
327	#define SEQ_NOTEOFF 0
328	#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */
329	#define SEQ_NOTEON 1
330	#define SEQ_FMNOTEON SEQ_NOTEON
331	#define SEQ_WAIT TMR_WAIT_ABS
332	#define SEQ_PGMCHANGE 3
333	#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE
334	#define SEQ_SYNCTIMER TMR_START
335	#define SEQ_MIDIPUTC 5
336	#define SEQ_DRUMON 6 /* OBSOLETE */
337	#define SEQ_DRUMOFF 7 /* OBSOLETE */
338	#define SEQ_ECHO TMR_ECHO /* For synching programs with output */
339	#define SEQ_AFTERTOUCH 9
340	#define SEQ_CONTROLLER 10
341
342	/*******************************************
343	* Midi controller numbers
344	*******************************************
345	* Controllers 0 to 31 (0x00 to 0x1f) and
346	* 32 to 63 (0x20 to 0x3f) are continuous
347	* controllers.
348	* In the MIDI 1.0 these controllers are sent using
349	* two messages. Controller numbers 0 to 31 are used
350	* to send the MSB and the controller numbers 32 to 63
351	* are for the LSB. Note that just 7 bits are used in MIDI bytes.
352	*/
353
354	#define CTL_BANK_SELECT 0x00
355	#define CTL_MODWHEEL 0x01
356	#define CTL_BREATH 0x02
357	/* undefined 0x03 */
358	#define CTL_FOOT 0x04
359	#define CTL_PORTAMENTO_TIME 0x05
360	#define CTL_DATA_ENTRY 0x06
361	#define CTL_MAIN_VOLUME 0x07
362	#define CTL_BALANCE 0x08
363	/* undefined 0x09 */
364	#define CTL_PAN 0x0a
365	#define CTL_EXPRESSION 0x0b
366	/* undefined 0x0c */
367	/* undefined 0x0d */
368	/* undefined 0x0e */
369	/* undefined 0x0f */
370	#define CTL_GENERAL_PURPOSE1 0x10
371	#define CTL_GENERAL_PURPOSE2 0x11
372	#define CTL_GENERAL_PURPOSE3 0x12
373	#define CTL_GENERAL_PURPOSE4 0x13
374	/* undefined 0x14 - 0x1f */
375
376	/* undefined 0x20 */
377	/* The controller numbers 0x21 to 0x3f are reserved for the */
378	/* least significant bytes of the controllers 0x00 to 0x1f. */
379	/* These controllers are not recognised by the driver. */
380
381	/* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */
382	/* 0=OFF and 127=ON (intermediate values are possible) */
383	#define CTL_DAMPER_PEDAL 0x40
384	#define CTL_SUSTAIN 0x40 /* Alias */
385	#define CTL_HOLD 0x40 /* Alias */
386	#define CTL_PORTAMENTO 0x41
387	#define CTL_SOSTENUTO 0x42
388	#define CTL_SOFT_PEDAL 0x43
389	/* undefined 0x44 */
390	#define CTL_HOLD2 0x45
391	/* undefined 0x46 - 0x4f */
392
393	#define CTL_GENERAL_PURPOSE5 0x50
394	#define CTL_GENERAL_PURPOSE6 0x51
395	#define CTL_GENERAL_PURPOSE7 0x52
396	#define CTL_GENERAL_PURPOSE8 0x53
397	/* undefined 0x54 - 0x5a */
398	#define CTL_EXT_EFF_DEPTH 0x5b
399	#define CTL_TREMOLO_DEPTH 0x5c
400	#define CTL_CHORUS_DEPTH 0x5d
401	#define CTL_DETUNE_DEPTH 0x5e
402	#define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */
403	#define CTL_PHASER_DEPTH 0x5f
404	#define CTL_DATA_INCREMENT 0x60
405	#define CTL_DATA_DECREMENT 0x61
406	#define CTL_NONREG_PARM_NUM_LSB 0x62
407	#define CTL_NONREG_PARM_NUM_MSB 0x63
408	#define CTL_REGIST_PARM_NUM_LSB 0x64
409	#define CTL_REGIST_PARM_NUM_MSB 0x65
410	/* undefined 0x66 - 0x78 */
411	/* reserved 0x79 - 0x7f */
412
413	/* Pseudo controllers (not midi compatible) */
414	#define CTRL_PITCH_BENDER 255
415	#define CTRL_PITCH_BENDER_RANGE 254
416	#define CTRL_EXPRESSION 253 /* Obsolete */
417	#define CTRL_MAIN_VOLUME 252 /* Obsolete */
418	#define SEQ_BALANCE 11
419	#define SEQ_VOLMODE 12
420
421	/*
422	* Volume mode decides how volumes are used
423	*/
424
425	#define VOL_METHOD_ADAGIO 1
426	#define VOL_METHOD_LINEAR 2
427
428	/*
429	* Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
430	* input events.
431	*/
432
433	/*
434	* Event codes 0xf0 to 0xfc are reserved for future extensions.
435	*/
436
437	#define SEQ_FULLSIZE 0xfd /* Long events */
438	/*
439	* SEQ_FULLSIZE events are used for loading patches/samples to the
440	* synthesizer devices. These events are passed directly to the driver
441	* of the associated synthesizer device. There is no limit to the size
442	* of the extended events. These events are not queued but executed
443	* immediately when the write() is called (execution can take several
444	* seconds of time).
445	*
446	* When a SEQ_FULLSIZE message is written to the device, it must
447	* be written using exactly one write() call. Other events cannot
448	* be mixed to the same write.
449	*
450	* For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the
451	* /dev/sequencer. Don't write other data together with the instrument structure
452	* Set the key field of the structure to FM_PATCH. The device field is used to
453	* route the patch to the corresponding device.
454	*
455	* For wave table use struct patch_info. Initialize the key field
456	* to WAVE_PATCH.
457	*/
458	#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */
459	#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */
460
461	/*
462	* Record for FM patches
463	*/
464
465	typedef unsigned char sbi_instr_data[32];
466
467	struct sbi_instrument {
468	unsigned short key; /* FM_PATCH or OPL3_PATCH */
469	#define FM_PATCH _PATCHKEY(0x01)
470	#define OPL3_PATCH _PATCHKEY(0x03)
471	short device; /* Synth# (0-4) */
472	int channel; /* Program# to be initialized */
473	sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */
474	};
475
476	struct synth_info { /* Read only */
477	char name[30];
478	int device; /* 0-N. INITIALIZE BEFORE CALLING */
479	int synth_type;
480	#define SYNTH_TYPE_FM 0
481	#define SYNTH_TYPE_SAMPLE 1
482	#define SYNTH_TYPE_MIDI 2 /* Midi interface */
483
484	int synth_subtype;
485	#define FM_TYPE_ADLIB 0x00
486	#define FM_TYPE_OPL3 0x01
487	#define MIDI_TYPE_MPU401 0x401
488
489	#define SAMPLE_TYPE_BASIC 0x10
490	#define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC
491	#define SAMPLE_TYPE_WAVEFRONT 0x11
492
493	int perc_mode; /* No longer supported */
494	int nr_voices;
495	int nr_drums; /* Obsolete field */
496	int instr_bank_size;
497	unsigned int capabilities;
498	#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */
499	#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */
500	#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */
501	int dummies[19]; /* Reserve space */
502	};
503
504	struct sound_timer_info {
505	char name[32];
506	int caps;
507	};
508
509	#define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */
510
511	struct midi_info {
512	char name[30];
513	int device; /* 0-N. INITIALIZE BEFORE CALLING */
514	unsigned int capabilities; /* To be defined later */
515	int dev_type;
516	int dummies[18]; /* Reserve space */
517	};
518
519	/********************************************
520	* ioctl commands for the /dev/midi##
521	*/
522	typedef struct {
523	unsigned char cmd;
524	char nr_args, nr_returns;
525	unsigned char data[30];
526	} mpu_command_rec;
527
528	#define SNDCTL_MIDI_PRETIME _SIOWR('m', 0, int)
529	#define SNDCTL_MIDI_MPUMODE _SIOWR('m', 1, int)
530	#define SNDCTL_MIDI_MPUCMD _SIOWR('m', 2, mpu_command_rec)
531
532	/********************************************
533	* IOCTL commands for /dev/dsp and /dev/audio
534	*/
535
536	#define SNDCTL_DSP_RESET _SIO ('P', 0)
537	#define SNDCTL_DSP_SYNC _SIO ('P', 1)
538	#define SNDCTL_DSP_SPEED _SIOWR('P', 2, int)
539	#define SNDCTL_DSP_STEREO _SIOWR('P', 3, int)
540	#define SNDCTL_DSP_GETBLKSIZE _SIOWR('P', 4, int)
541	#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT
542	#define SNDCTL_DSP_CHANNELS _SIOWR('P', 6, int)
543	#define SOUND_PCM_WRITE_CHANNELS SNDCTL_DSP_CHANNELS
544	#define SOUND_PCM_WRITE_FILTER _SIOWR('P', 7, int)
545	#define SNDCTL_DSP_POST _SIO ('P', 8)
546	#define SNDCTL_DSP_SUBDIVIDE _SIOWR('P', 9, int)
547	#define SNDCTL_DSP_SETFRAGMENT _SIOWR('P',10, int)
548
549	/* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */
550	#define SNDCTL_DSP_GETFMTS _SIOR ('P',11, int) /* Returns a mask */
551	#define SNDCTL_DSP_SETFMT _SIOWR('P',5, int) /* Selects ONE fmt*/
552	# define AFMT_QUERY 0x00000000 /* Return current fmt */
553	# define AFMT_MU_LAW 0x00000001
554	# define AFMT_A_LAW 0x00000002
555	# define AFMT_IMA_ADPCM 0x00000004
556	# define AFMT_U8 0x00000008
557	# define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/
558	# define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */
559	# define AFMT_S8 0x00000040
560	# define AFMT_U16_LE 0x00000080 /* Little endian U16 */
561	# define AFMT_U16_BE 0x00000100 /* Big endian U16 */
562	# define AFMT_MPEG 0x00000200 /* MPEG (2) audio */
563	# define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */
564
565	/*
566	* Buffer status queries.
567	*/
568	typedef struct audio_buf_info {
569	int fragments; /* # of available fragments (partially usend ones not counted) */
570	int fragstotal; /* Total # of fragments allocated */
571	int fragsize; /* Size of a fragment in bytes */
572
573	int bytes; /* Available space in bytes (includes partially used fragments) */
574	/* Note! 'bytes' could be more than fragmentsfragsize /
575	} audio_buf_info;
576
577	#define SNDCTL_DSP_GETOSPACE _SIOR ('P',12, audio_buf_info)
578	#define SNDCTL_DSP_GETISPACE _SIOR ('P',13, audio_buf_info)
579	#define SNDCTL_DSP_NONBLOCK _SIO ('P',14)
580	#define SNDCTL_DSP_GETCAPS _SIOR ('P',15, int)
581	# define DSP_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */
582	# define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */
583	# define DSP_CAP_REALTIME 0x00000200 /* Real time capability */
584	# define DSP_CAP_BATCH 0x00000400 /* Device has some kind of */
585	/* internal buffers which may */
586	/* cause some delays and */
587	/* decrease precision of timing */
588	# define DSP_CAP_COPROC 0x00000800 /* Has a coprocessor */
589	/* Sometimes it's a DSP */
590	/* but usually not */
591	# define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */
592	# define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */
593	# define DSP_CAP_MULTI 0x00004000 /* support multiple open */
594	# define DSP_CAP_BIND 0x00008000 /* channel binding to front/rear/cneter/lfe */
595
596
597	#define SNDCTL_DSP_GETTRIGGER _SIOR ('P',16, int)
598	#define SNDCTL_DSP_SETTRIGGER _SIOW ('P',16, int)
599	# define PCM_ENABLE_INPUT 0x00000001
600	# define PCM_ENABLE_OUTPUT 0x00000002
601
602	typedef struct count_info {
603	int bytes; /* Total # of bytes processed */
604	int blocks; /* # of fragment transitions since last time */
605	int ptr; /* Current DMA pointer value */
606	} count_info;
607
608	#define SNDCTL_DSP_GETIPTR _SIOR ('P',17, count_info)
609	#define SNDCTL_DSP_GETOPTR _SIOR ('P',18, count_info)
610
611	typedef struct buffmem_desc {
612	unsigned *buffer;
613	int size;
614	} buffmem_desc;
615	#define SNDCTL_DSP_MAPINBUF _SIOR ('P', 19, buffmem_desc)
616	#define SNDCTL_DSP_MAPOUTBUF _SIOR ('P', 20, buffmem_desc)
617	#define SNDCTL_DSP_SETSYNCRO _SIO ('P', 21)
618	#define SNDCTL_DSP_SETDUPLEX _SIO ('P', 22)
619	#define SNDCTL_DSP_GETODELAY _SIOR ('P', 23, int)
620
621	#define SNDCTL_DSP_GETCHANNELMASK _SIOWR('P', 64, int)
622	#define SNDCTL_DSP_BIND_CHANNEL _SIOWR('P', 65, int)
623	# define DSP_BIND_QUERY 0x00000000
624	# define DSP_BIND_FRONT 0x00000001
625	# define DSP_BIND_SURR 0x00000002
626	# define DSP_BIND_CENTER_LFE 0x00000004
627	# define DSP_BIND_HANDSET 0x00000008
628	# define DSP_BIND_MIC 0x00000010
629	# define DSP_BIND_MODEM1 0x00000020
630	# define DSP_BIND_MODEM2 0x00000040
631	# define DSP_BIND_I2S 0x00000080
632	# define DSP_BIND_SPDIF 0x00000100
633
634	#define SNDCTL_DSP_SETSPDIF _SIOW ('P', 66, int)
635	#define SNDCTL_DSP_GETSPDIF _SIOR ('P', 67, int)
636	# define SPDIF_PRO 0x0001
637	# define SPDIF_N_AUD 0x0002
638	# define SPDIF_COPY 0x0004
639	# define SPDIF_PRE 0x0008
640	# define SPDIF_CC 0x07f0
641	# define SPDIF_L 0x0800
642	# define SPDIF_DRS 0x4000
643	# define SPDIF_V 0x8000
644
645	/*
646	* Application's profile defines the way how playback underrun situations should be handled.
647	*
648	* APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the
649	* playback buffer whenever an underrun occurs. This consumes some time
650	* prevents looping the existing buffer.
651	* APF_CPUINTENS is intended to be set by CPU intensive applications which
652	* are likely to run out of time occasionally. In this mode the buffer cleanup is
653	* disabled which saves CPU time but also let's the previous buffer content to
654	* be played during the "pause" after the underrun.
655	*/
656	#define SNDCTL_DSP_PROFILE _SIOW ('P', 23, int)
657	#define APF_NORMAL 0 /* Normal applications */
658	#define APF_NETWORK 1 /* Underruns probably caused by an "external" delay */
659	#define APF_CPUINTENS 2 /* Underruns probably caused by "overheating" the CPU */
660
661	#define SOUND_PCM_READ_RATE _SIOR ('P', 2, int)
662	#define SOUND_PCM_READ_CHANNELS _SIOR ('P', 6, int)
663	#define SOUND_PCM_READ_BITS _SIOR ('P', 5, int)
664	#define SOUND_PCM_READ_FILTER _SIOR ('P', 7, int)
665
666	/* Some alias names */
667	#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT
668	#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED
669	#define SOUND_PCM_POST SNDCTL_DSP_POST
670	#define SOUND_PCM_RESET SNDCTL_DSP_RESET
671	#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC
672	#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE
673	#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT
674	#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS
675	#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT
676	#define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE
677	#define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE
678	#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK
679	#define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS
680	#define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER
681	#define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER
682	#define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO
683	#define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR
684	#define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR
685	#define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF
686	#define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF
687
688	/*
689	* ioctl calls to be used in communication with coprocessors and
690	* DSP chips.
691	*/
692
693	typedef struct copr_buffer {
694	int command; /* Set to 0 if not used */
695	int flags;
696	#define CPF_NONE 0x0000
697	#define CPF_FIRST 0x0001 /* First block */
698	#define CPF_LAST 0x0002 /* Last block */
699	int len;
700	int offs; /* If required by the device (0 if not used) */
701
702	unsigned char data[4000]; /* NOTE! 4000 is not 4k */
703	} copr_buffer;
704
705	typedef struct copr_debug_buf {
706	int command; /* Used internally. Set to 0 */
707	int parm1;
708	int parm2;
709	int flags;
710	int len; /* Length of data in bytes */
711	} copr_debug_buf;
712
713	typedef struct copr_msg {
714	int len;
715	unsigned char data[4000];
716	} copr_msg;
717
718	#define SNDCTL_COPR_RESET _SIO ('C', 0)
719	#define SNDCTL_COPR_LOAD _SIOWR('C', 1, copr_buffer)
720	#define SNDCTL_COPR_RDATA _SIOWR('C', 2, copr_debug_buf)
721	#define SNDCTL_COPR_RCODE _SIOWR('C', 3, copr_debug_buf)
722	#define SNDCTL_COPR_WDATA _SIOW ('C', 4, copr_debug_buf)
723	#define SNDCTL_COPR_WCODE _SIOW ('C', 5, copr_debug_buf)
724	#define SNDCTL_COPR_RUN _SIOWR('C', 6, copr_debug_buf)
725	#define SNDCTL_COPR_HALT _SIOWR('C', 7, copr_debug_buf)
726	#define SNDCTL_COPR_SENDMSG _SIOWR('C', 8, copr_msg)
727	#define SNDCTL_COPR_RCVMSG _SIOR ('C', 9, copr_msg)
728
729	/*********************************************
730	* IOCTL commands for /dev/mixer
731	*/
732
733	/*
734	* Mixer devices
735	*
736	* There can be up to 20 different analog mixer channels. The
737	* SOUND_MIXER_NRDEVICES gives the currently supported maximum.
738	* The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
739	* the devices supported by the particular mixer.
740	*/
741
742	#define SOUND_MIXER_NRDEVICES 25
743	#define SOUND_MIXER_VOLUME 0
744	#define SOUND_MIXER_BASS 1
745	#define SOUND_MIXER_TREBLE 2
746	#define SOUND_MIXER_SYNTH 3
747	#define SOUND_MIXER_PCM 4
748	#define SOUND_MIXER_SPEAKER 5
749	#define SOUND_MIXER_LINE 6
750	#define SOUND_MIXER_MIC 7
751	#define SOUND_MIXER_CD 8
752	#define SOUND_MIXER_IMIX 9 /* Recording monitor */
753	#define SOUND_MIXER_ALTPCM 10
754	#define SOUND_MIXER_RECLEV 11 /* Recording level */
755	#define SOUND_MIXER_IGAIN 12 /* Input gain */
756	#define SOUND_MIXER_OGAIN 13 /* Output gain */
757	/*
758	* The AD1848 codec and compatibles have three line level inputs
759	* (line, aux1 and aux2). Since each card manufacturer have assigned
760	* different meanings to these inputs, it's inpractical to assign
761	* specific meanings (line, cd, synth etc.) to them.
762	*/
763	#define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */
764	#define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */
765	#define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */
766	#define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */
767	#define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */
768	#define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */
769	#define SOUND_MIXER_PHONEIN 20 /* Phone input */
770	#define SOUND_MIXER_PHONEOUT 21 /* Phone output */
771	#define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */
772	#define SOUND_MIXER_RADIO 23 /* Radio in */
773	#define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */
774
775	/* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */
776	/* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */
777	#define SOUND_ONOFF_MIN 28
778	#define SOUND_ONOFF_MAX 30
779
780	/* Note! Number 31 cannot be used since the sign bit is reserved */
781	#define SOUND_MIXER_NONE 31
782
783	/*
784	* The following unsupported macros are no longer functional.
785	* Use SOUND_MIXER_PRIVATE# macros in future.
786	*/
787	#define SOUND_MIXER_ENHANCE SOUND_MIXER_NONE
788	#define SOUND_MIXER_MUTE SOUND_MIXER_NONE
789	#define SOUND_MIXER_LOUD SOUND_MIXER_NONE
790
791
792	#define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \
793	"Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \
794	"Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
795	"PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
796
797	#define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
798	"mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
799	"line1", "line2", "line3", "dig1", "dig2", "dig3", \
800	"phin", "phout", "video", "radio", "monitor"}
801
802	/* Device bitmask identifiers */
803
804	#define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */
805	#define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */
806	#define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */
807	#define SOUND_MIXER_CAPS 0xfc
808	# define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */
809	#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */
810	#define SOUND_MIXER_OUTSRC 0xfa /* Arg contains a bit for each input source to output */
811	#define SOUND_MIXER_OUTMASK 0xf9 /* Arg contains a bit for each supported input source to output */
812
813	/* Device mask bits */
814
815	#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME)
816	#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS)
817	#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE)
818	#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH)
819	#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM)
820	#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER)
821	#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE)
822	#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC)
823	#define SOUND_MASK_CD (1 << SOUND_MIXER_CD)
824	#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX)
825	#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM)
826	#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV)
827	#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN)
828	#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN)
829	#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1)
830	#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2)
831	#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3)
832	#define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1)
833	#define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2)
834	#define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3)
835	#define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN)
836	#define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT)
837	#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO)
838	#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO)
839	#define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR)
840
841	/* Obsolete macros */
842	#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE)
843	#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE)
844	#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD)
845
846	#define MIXER_READ(dev) _SIOR('M', dev, int)
847	#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME)
848	#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS)
849	#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE)
850	#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH)
851	#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM)
852	#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER)
853	#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE)
854	#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC)
855	#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD)
856	#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX)
857	#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM)
858	#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV)
859	#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN)
860	#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN)
861	#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1)
862	#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2)
863	#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3)
864
865	/* Obsolete macros */
866	#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE)
867	#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE)
868	#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD)
869
870	#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC)
871	#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK)
872	#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK)
873	#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS)
874	#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS)
875
876	#define MIXER_WRITE(dev) _SIOWR('M', dev, int)
877	#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME)
878	#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS)
879	#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE)
880	#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH)
881	#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM)
882	#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER)
883	#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE)
884	#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC)
885	#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD)
886	#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX)
887	#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM)
888	#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV)
889	#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN)
890	#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN)
891	#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1)
892	#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2)
893	#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3)
894
895	/* Obsolete macros */
896	#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE)
897	#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE)
898	#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD)
899
900	#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC)
901
902	typedef struct mixer_info
903	{
904	char id[16];
905	char name[32];
906	int modify_counter;
907	int fillers[10];
908	} mixer_info;
909
910	typedef struct _old_mixer_info /* Obsolete */
911	{
912	char id[16];
913	char name[32];
914	} _old_mixer_info;
915
916	#define SOUND_MIXER_INFO _SIOR ('M', 101, mixer_info)
917	#define SOUND_OLD_MIXER_INFO _SIOR ('M', 101, _old_mixer_info)
918
919	/*
920	* A mechanism for accessing "proprietary" mixer features. This method
921	* permits passing 128 bytes of arbitrary data between a mixer application
922	* and the mixer driver. Interpretation of the record is defined by
923	* the particular mixer driver.
924	*/
925	typedef unsigned char mixer_record[128];
926
927	#define SOUND_MIXER_ACCESS _SIOWR('M', 102, mixer_record)
928
929	/*
930	* Two ioctls for special souncard function
931	*/
932	#define SOUND_MIXER_AGC _SIOWR('M', 103, int)
933	#define SOUND_MIXER_3DSE _SIOWR('M', 104, int)
934
935	/*
936	* The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers.
937	* These features can be used when accessing device specific features.
938	*/
939	#define SOUND_MIXER_PRIVATE1 _SIOWR('M', 111, int)
940	#define SOUND_MIXER_PRIVATE2 _SIOWR('M', 112, int)
941	#define SOUND_MIXER_PRIVATE3 _SIOWR('M', 113, int)
942	#define SOUND_MIXER_PRIVATE4 _SIOWR('M', 114, int)
943	#define SOUND_MIXER_PRIVATE5 _SIOWR('M', 115, int)
944
945	/*
946	* SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used
947	* for querying current mixer settings from the driver and for loading
948	* default volume settings _prior_ activating the mixer (loading
949	* doesn't affect current state of the mixer hardware). These calls
950	* are for internal use only.
951	*/
952
953	typedef struct mixer_vol_table {
954	int num; /* Index to volume table */
955	char name[32];
956	int levels[32];
957	} mixer_vol_table;
958
959	#define SOUND_MIXER_GETLEVELS _SIOWR('M', 116, mixer_vol_table)
960	#define SOUND_MIXER_SETLEVELS _SIOWR('M', 117, mixer_vol_table)
961
962	/*
963	* An ioctl for identifying the driver version. It will return value
964	* of the SOUND_VERSION macro used when compiling the driver.
965	* This call was introduced in OSS version 3.6 and it will not work
966	* with earlier versions (returns EINVAL).
967	*/
968	#define OSS_GETVERSION _SIOR ('M', 118, int)
969
970	/*
971	* Level 2 event types for /dev/sequencer
972	*/
973
974	/*
975	* The 4 most significant bits of byte 0 specify the class of
976	* the event:
977	*
978	* 0x8X = system level events,
979	* 0x9X = device/port specific events, event[1] = device/port,
980	* The last 4 bits give the subtype:
981	* 0x02 = Channel event (event[3] = chn).
982	* 0x01 = note event (event[4] = note).
983	* (0x01 is not used alone but always with bit 0x02).
984	* event[2] = MIDI message code (0x80=note off etc.)
985	*
986	*/
987
988	#define EV_SEQ_LOCAL 0x80
989	#define EV_TIMING 0x81
990	#define EV_CHN_COMMON 0x92
991	#define EV_CHN_VOICE 0x93
992	#define EV_SYSEX 0x94
993	/*
994	* Event types 200 to 220 are reserved for application use.
995	* These numbers will not be used by the driver.
996	*/
997
998	/*
999	* Events for event type EV_CHN_VOICE
1000	*/
1001
1002	#define MIDI_NOTEOFF 0x80
1003	#define MIDI_NOTEON 0x90
1004	#define MIDI_KEY_PRESSURE 0xA0
1005
1006	/*
1007	* Events for event type EV_CHN_COMMON
1008	*/
1009
1010	#define MIDI_CTL_CHANGE 0xB0
1011	#define MIDI_PGM_CHANGE 0xC0
1012	#define MIDI_CHN_PRESSURE 0xD0
1013	#define MIDI_PITCH_BEND 0xE0
1014
1015	#define MIDI_SYSTEM_PREFIX 0xF0
1016
1017	/*
1018	* Timer event types
1019	*/
1020	#define TMR_WAIT_REL 1 /* Time relative to the prev time */
1021	#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */
1022	#define TMR_STOP 3
1023	#define TMR_START 4
1024	#define TMR_CONTINUE 5
1025	#define TMR_TEMPO 6
1026	#define TMR_ECHO 8
1027	#define TMR_CLOCK 9 /* MIDI clock */
1028	#define TMR_SPP 10 /* Song position pointer */
1029	#define TMR_TIMESIG 11 /* Time signature */
1030
1031	/*
1032	* Local event types
1033	*/
1034	#define LOCL_STARTAUDIO 1
1035
1036	/*
1037	* Some convenience macros to simplify programming of the
1038	* /dev/sequencer interface
1039	*
1040	* These macros define the API which should be used when possible.
1041	*/
1042	#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF()
1043
1044	void seqbuf_dump(void); /* This function must be provided by programs */
1045
1046	extern int OSS_init(int seqfd, int buflen);
1047	extern void OSS_seqbuf_dump(int fd, unsigned char *buf, int buflen);
1048	extern void OSS_seq_advbuf(int len, int fd, unsigned char *buf, int buflen);
1049	extern void OSS_seq_needbuf(int len, int fd, unsigned char *buf, int buflen);
1050	extern void OSS_patch_caching(int dev, int chn, int patch,
1051	int fd, unsigned char *buf, int buflen);
1052	extern void OSS_drum_caching(int dev, int chn, int patch,
1053	int fd, unsigned char *buf, int buflen);
1054	extern void OSS_write_patch(int fd, unsigned char *buf, int len);
1055	extern int OSS_write_patch2(int fd, unsigned char *buf, int len);
1056
1057	#define SEQ_PM_DEFINES int __foo_bar___
1058	#ifdef OSSLIB
1059	# define SEQ_USE_EXTBUF() \
1060	extern unsigned char *_seqbuf; \
1061	extern int _seqbuflen;extern int _seqbufptr
1062	# define SEQ_DEFINEBUF(len) SEQ_USE_EXTBUF();static int _requested_seqbuflen=len
1063	# define _SEQ_ADVBUF(len) OSS_seq_advbuf(len, seqfd, _seqbuf, _seqbuflen)
1064	# define _SEQ_NEEDBUF(len) OSS_seq_needbuf(len, seqfd, _seqbuf, _seqbuflen)
1065	# define SEQ_DUMPBUF() OSS_seqbuf_dump(seqfd, _seqbuf, _seqbuflen)
1066
1067	# define SEQ_LOAD_GMINSTR(dev, instr) \
1068	OSS_patch_caching(dev, -1, instr, seqfd, _seqbuf, _seqbuflen)
1069	# define SEQ_LOAD_GMDRUM(dev, drum) \
1070	OSS_drum_caching(dev, -1, drum, seqfd, _seqbuf, _seqbuflen)
1071	#else /* !OSSLIB */
1072
1073	# define SEQ_LOAD_GMINSTR(dev, instr)
1074	# define SEQ_LOAD_GMDRUM(dev, drum)
1075
1076	# define SEQ_USE_EXTBUF() \
1077	extern unsigned char _seqbuf[]; \
1078	extern int _seqbuflen;extern int _seqbufptr
1079
1080	#ifndef USE_SIMPLE_MACROS
1081	/* Sample seqbuf_dump() implementation:
1082	*
1083	* SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes
1084	*
1085	* int seqfd; -- The file descriptor for /dev/sequencer.
1086	*
1087	* void
1088	* seqbuf_dump ()
1089	* {
1090	* if (_seqbufptr)
1091	* if (write (seqfd, _seqbuf, _seqbufptr) == -1)
1092	* {
1093	* perror ("write /dev/sequencer");
1094	* exit (-1);
1095	* }
1096	* _seqbufptr = 0;
1097	* }
1098	*/
1099
1100	#define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
1101	#define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump()
1102	#define _SEQ_ADVBUF(len) _seqbufptr += len
1103	#define SEQ_DUMPBUF seqbuf_dump
1104	#else
1105	/*
1106	* This variation of the sequencer macros is used just to format one event
1107	* using fixed buffer.
1108	*
1109	* The program using the macro library must define the following macros before
1110	* using this library.
1111	*
1112	* #define _seqbuf name of the buffer (unsigned char[])
1113	* #define _SEQ_ADVBUF(len) If the applic needs to know the exact
1114	* size of the event, this macro can be used.
1115	* Otherwise this must be defined as empty.
1116	* #define _seqbufptr Define the name of index variable or 0 if
1117	* not required.
1118	*/
1119	#define _SEQ_NEEDBUF(len) /* empty */
1120	#endif
1121	#endif /* !OSSLIB */
1122
1123	#define SEQ_VOLUME_MODE(dev, mode) {_SEQ_NEEDBUF(8);\
1124	_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1125	_seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
1126	_seqbuf[_seqbufptr+2] = (dev);\
1127	_seqbuf[_seqbufptr+3] = (mode);\
1128	_seqbuf[_seqbufptr+4] = 0;\
1129	_seqbuf[_seqbufptr+5] = 0;\
1130	_seqbuf[_seqbufptr+6] = 0;\
1131	_seqbuf[_seqbufptr+7] = 0;\
1132	_SEQ_ADVBUF(8);}
1133
1134	/*
1135	* Midi voice messages
1136	*/
1137
1138	#define _CHN_VOICE(dev, event, chn, note, parm) \
1139	{_SEQ_NEEDBUF(8);\
1140	_seqbuf[_seqbufptr] = EV_CHN_VOICE;\
1141	_seqbuf[_seqbufptr+1] = (dev);\
1142	_seqbuf[_seqbufptr+2] = (event);\
1143	_seqbuf[_seqbufptr+3] = (chn);\
1144	_seqbuf[_seqbufptr+4] = (note);\
1145	_seqbuf[_seqbufptr+5] = (parm);\
1146	_seqbuf[_seqbufptr+6] = (0);\
1147	_seqbuf[_seqbufptr+7] = 0;\
1148	_SEQ_ADVBUF(8);}
1149
1150	#define SEQ_START_NOTE(dev, chn, note, vol) \
1151	_CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
1152
1153	#define SEQ_STOP_NOTE(dev, chn, note, vol) \
1154	_CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
1155
1156	#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
1157	_CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
1158
1159	/*
1160	* Midi channel messages
1161	*/
1162
1163	#define _CHN_COMMON(dev, event, chn, p1, p2, w14) \
1164	{_SEQ_NEEDBUF(8);\
1165	_seqbuf[_seqbufptr] = EV_CHN_COMMON;\
1166	_seqbuf[_seqbufptr+1] = (dev);\
1167	_seqbuf[_seqbufptr+2] = (event);\
1168	_seqbuf[_seqbufptr+3] = (chn);\
1169	_seqbuf[_seqbufptr+4] = (p1);\
1170	_seqbuf[_seqbufptr+5] = (p2);\
1171	(short )&_seqbuf[_seqbufptr+6] = (w14);\
1172	_SEQ_ADVBUF(8);}
1173	/*
1174	* SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
1175	* sending any MIDI bytes but it's absolutely not possible. Trying to do
1176	* so _will_ cause problems with MPU401 intelligent mode).
1177	*
1178	* Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be
1179	* sent by calling SEQ_SYSEX() several times (there must be no other events
1180	* between them). First sysex fragment must have 0xf0 in the first byte
1181	* and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
1182	* between these sysex start and end markers cannot be larger than 0x7f. Also
1183	* lengths of each fragments (except the last one) must be 6.
1184	*
1185	* Breaking the above rules may work with some MIDI ports but is likely to
1186	* cause fatal problems with some other devices (such as MPU401).
1187	*/
1188	#define SEQ_SYSEX(dev, buf, len) \
1189	{int ii, ll=(len); \
1190	unsigned char *bufp=buf;\
1191	if (ll>6)ll=6;\
1192	_SEQ_NEEDBUF(8);\
1193	_seqbuf[_seqbufptr] = EV_SYSEX;\
1194	_seqbuf[_seqbufptr+1] = (dev);\
1195	for(ii=0;ii<ll;ii++)\
1196	_seqbuf[_seqbufptr+ii+2] = bufp[ii];\
1197	for(ii=ll;ii<6;ii++)\
1198	_seqbuf[_seqbufptr+ii+2] = 0xff;\
1199	_SEQ_ADVBUF(8);}
1200
1201	#define SEQ_CHN_PRESSURE(dev, chn, pressure) \
1202	_CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
1203
1204	#define SEQ_SET_PATCH SEQ_PGM_CHANGE
1205	#ifdef OSSLIB
1206	# define SEQ_PGM_CHANGE(dev, chn, patch) \
1207	{OSS_patch_caching(dev, chn, patch, seqfd, _seqbuf, _seqbuflen); \
1208	_CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0);}
1209	#else
1210	# define SEQ_PGM_CHANGE(dev, chn, patch) \
1211	_CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
1212	#endif
1213
1214	#define SEQ_CONTROL(dev, chn, controller, value) \
1215	_CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
1216
1217	#define SEQ_BENDER(dev, chn, value) \
1218	_CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
1219
1220
1221	#define SEQ_V2_X_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\
1222	_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1223	_seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
1224	_seqbuf[_seqbufptr+2] = (dev);\
1225	_seqbuf[_seqbufptr+3] = (voice);\
1226	_seqbuf[_seqbufptr+4] = (controller);\
1227	_seqbuf[_seqbufptr+5] = ((value)&0xff);\
1228	_seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\
1229	_seqbuf[_seqbufptr+7] = 0;\
1230	_SEQ_ADVBUF(8);}
1231	/*
1232	* The following 5 macros are incorrectly implemented and obsolete.
1233	* Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
1234	*/
1235	#define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
1236	#define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
1237	#define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
1238	#define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
1239	#define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
1240
1241	/*
1242	* Timing and syncronization macros
1243	*/
1244
1245	#define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
1246	_seqbuf[_seqbufptr+0] = EV_TIMING; \
1247	_seqbuf[_seqbufptr+1] = (ev); \
1248	_seqbuf[_seqbufptr+2] = 0;\
1249	_seqbuf[_seqbufptr+3] = 0;\
1250	(unsigned int )&_seqbuf[_seqbufptr+4] = (parm); \
1251	_SEQ_ADVBUF(8);}
1252
1253	#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0)
1254	#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0)
1255	#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0)
1256	#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks)
1257	#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks)
1258	#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key)
1259	#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value)
1260	#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos)
1261	#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig)
1262
1263	/*
1264	* Local control events
1265	*/
1266
1267	#define _LOCAL_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
1268	_seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
1269	_seqbuf[_seqbufptr+1] = (ev); \
1270	_seqbuf[_seqbufptr+2] = 0;\
1271	_seqbuf[_seqbufptr+3] = 0;\
1272	(unsigned int )&_seqbuf[_seqbufptr+4] = (parm); \
1273	_SEQ_ADVBUF(8);}
1274
1275	#define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
1276	/*
1277	* Events for the level 1 interface only
1278	*/
1279
1280	#define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\
1281	_seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
1282	_seqbuf[_seqbufptr+1] = (byte);\
1283	_seqbuf[_seqbufptr+2] = (device);\
1284	_seqbuf[_seqbufptr+3] = 0;\
1285	_SEQ_ADVBUF(4);}
1286
1287	/*
1288	* Patch loading.
1289	*/
1290	#ifdef OSSLIB
1291	# define SEQ_WRPATCH(patchx, len) \
1292	OSS_write_patch(seqfd, (char*)(patchx), len)
1293	# define SEQ_WRPATCH2(patchx, len) \
1294	OSS_write_patch2(seqfd, (char*)(patchx), len)
1295	#else
1296	# define SEQ_WRPATCH(patchx, len) \
1297	{if (_seqbufptr) SEQ_DUMPBUF();\
1298	if (write(seqfd, (char*)(patchx), len)==-1) \
1299	perror("Write patch: /dev/sequencer");}
1300	# define SEQ_WRPATCH2(patchx, len) \
1301	(SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len))
1302	#endif
1303
1304	#endif

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source: svn/trunk/newcon3bcm2_21bu/toolchain/mips-linux-uclibc/include/linux/soundcard.h

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