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TOMOYO Linux Cross Reference
Linux/include/uapi/linux/soundcard.h

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  1 /*
  2  * Copyright by Hannu Savolainen 1993-1997
  3  *
  4  * Redistribution and use in source and binary forms, with or without
  5  * modification, are permitted provided that the following conditions are
  6  * met: 1. Redistributions of source code must retain the above copyright
  7  * notice, this list of conditions and the following disclaimer. 2.
  8  * Redistributions in binary form must reproduce the above copyright notice,
  9  * this list of conditions and the following disclaimer in the documentation
 10  * and/or other materials provided with the distribution.
 11  *
 12  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
 13  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 14  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 15  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
 16  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 17  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 18  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 19  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 20  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 21  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 22  * SUCH DAMAGE.
 23  */
 24 #ifndef _UAPISOUNDCARD_H
 25 #define _UAPISOUNDCARD_H
 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 #ifndef __KERNEL__
 44 #  include <endian.h>
 45 #endif
 46 
 47 /*
 48  *      Supported card ID numbers (Should be somewhere else?)
 49  */
 50 
 51 #define SNDCARD_ADLIB           1
 52 #define SNDCARD_SB              2
 53 #define SNDCARD_PAS             3
 54 #define SNDCARD_GUS             4
 55 #define SNDCARD_MPU401          5
 56 #define SNDCARD_SB16            6
 57 #define SNDCARD_SB16MIDI        7
 58 #define SNDCARD_UART6850        8
 59 #define SNDCARD_GUS16           9
 60 #define SNDCARD_MSS             10
 61 #define SNDCARD_PSS             11
 62 #define SNDCARD_SSCAPE          12
 63 #define SNDCARD_PSS_MPU         13
 64 #define SNDCARD_PSS_MSS         14
 65 #define SNDCARD_SSCAPE_MSS      15
 66 #define SNDCARD_TRXPRO          16
 67 #define SNDCARD_TRXPRO_SB       17
 68 #define SNDCARD_TRXPRO_MPU      18
 69 #define SNDCARD_MAD16           19
 70 #define SNDCARD_MAD16_MPU       20
 71 #define SNDCARD_CS4232          21
 72 #define SNDCARD_CS4232_MPU      22
 73 #define SNDCARD_MAUI            23
 74 #define SNDCARD_PSEUDO_MSS      24
 75 #define SNDCARD_GUSPNP          25
 76 #define SNDCARD_UART401         26
 77 /* Sound card numbers 27 to N are reserved. Don't add more numbers here. */
 78 
 79 /***********************************
 80  * IOCTL Commands for /dev/sequencer
 81  */
 82 
 83 #ifndef _SIOWR
 84 #if defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__)))
 85 /* Use already defined ioctl defines if they exist (except with Sun or Sparc) */
 86 #define SIOCPARM_MASK   IOCPARM_MASK
 87 #define SIOC_VOID       IOC_VOID
 88 #define SIOC_OUT        IOC_OUT
 89 #define SIOC_IN         IOC_IN
 90 #define SIOC_INOUT      IOC_INOUT
 91 #define _SIOC_SIZE      _IOC_SIZE
 92 #define _SIOC_DIR       _IOC_DIR
 93 #define _SIOC_NONE      _IOC_NONE
 94 #define _SIOC_READ      _IOC_READ
 95 #define _SIOC_WRITE     _IOC_WRITE
 96 #define _SIO            _IO
 97 #define _SIOR           _IOR
 98 #define _SIOW           _IOW
 99 #define _SIOWR          _IOWR
100 #else
101 
102 /* Ioctl's have the command encoded in the lower word,
103  * and the size of any in or out parameters in the upper
104  * word.  The high 2 bits of the upper word are used
105  * to encode the in/out status of the parameter; for now
106  * we restrict parameters to at most 8191 bytes.
107  */
108 /* #define      SIOCTYPE                (0xff<<8) */
109 #define SIOCPARM_MASK   0x1fff          /* parameters must be < 8192 bytes */
110 #define SIOC_VOID       0x00000000      /* no parameters */
111 #define SIOC_OUT        0x20000000      /* copy out parameters */
112 #define SIOC_IN         0x40000000      /* copy in parameters */
113 #define SIOC_INOUT      (SIOC_IN|SIOC_OUT)
114 /* the 0x20000000 is so we can distinguish new ioctl's from old */
115 #define _SIO(x,y)       ((int)(SIOC_VOID|(x<<8)|y))
116 #define _SIOR(x,y,t)    ((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
117 #define _SIOW(x,y,t)    ((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
118 /* this should be _SIORW, but stdio got there first */
119 #define _SIOWR(x,y,t)   ((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
120 #define _SIOC_SIZE(x)   ((x>>16)&SIOCPARM_MASK) 
121 #define _SIOC_DIR(x)    (x & 0xf0000000)
122 #define _SIOC_NONE      SIOC_VOID
123 #define _SIOC_READ      SIOC_OUT
124 #define _SIOC_WRITE     SIOC_IN
125 #  endif /* _IOWR */
126 #endif  /* !_SIOWR */
127 
128 #define SNDCTL_SEQ_RESET                _SIO  ('Q', 0)
129 #define SNDCTL_SEQ_SYNC                 _SIO  ('Q', 1)
130 #define SNDCTL_SYNTH_INFO               _SIOWR('Q', 2, struct synth_info)
131 #define SNDCTL_SEQ_CTRLRATE             _SIOWR('Q', 3, int)     /* Set/get timer resolution (HZ) */
132 #define SNDCTL_SEQ_GETOUTCOUNT          _SIOR ('Q', 4, int)
133 #define SNDCTL_SEQ_GETINCOUNT           _SIOR ('Q', 5, int)
134 #define SNDCTL_SEQ_PERCMODE             _SIOW ('Q', 6, int)
135 #define SNDCTL_FM_LOAD_INSTR            _SIOW ('Q', 7, struct sbi_instrument)   /* Obsolete. Don't use!!!!!! */
136 #define SNDCTL_SEQ_TESTMIDI             _SIOW ('Q', 8, int)
137 #define SNDCTL_SEQ_RESETSAMPLES         _SIOW ('Q', 9, int)
138 #define SNDCTL_SEQ_NRSYNTHS             _SIOR ('Q',10, int)
139 #define SNDCTL_SEQ_NRMIDIS              _SIOR ('Q',11, int)
140 #define SNDCTL_MIDI_INFO                _SIOWR('Q',12, struct midi_info)
141 #define SNDCTL_SEQ_THRESHOLD            _SIOW ('Q',13, int)
142 #define SNDCTL_SYNTH_MEMAVL             _SIOWR('Q',14, int)     /* in=dev#, out=memsize */
143 #define SNDCTL_FM_4OP_ENABLE            _SIOW ('Q',15, int)     /* in=dev# */
144 #define SNDCTL_SEQ_PANIC                _SIO  ('Q',17)
145 #define SNDCTL_SEQ_OUTOFBAND            _SIOW ('Q',18, struct seq_event_rec)
146 #define SNDCTL_SEQ_GETTIME              _SIOR ('Q',19, int)
147 #define SNDCTL_SYNTH_ID                 _SIOWR('Q',20, struct synth_info)
148 #define SNDCTL_SYNTH_CONTROL            _SIOWR('Q',21, struct synth_control)
149 #define SNDCTL_SYNTH_REMOVESAMPLE       _SIOWR('Q',22, struct remove_sample)
150 
151 typedef struct synth_control
152 {
153         int devno;      /* Synthesizer # */
154         char data[4000]; /* Device spesific command/data record */
155 }synth_control;
156 
157 typedef struct remove_sample
158 {
159         int devno;      /* Synthesizer # */
160         int bankno;     /* MIDI bank # (0=General MIDI) */
161         int instrno;    /* MIDI instrument number */
162 } remove_sample;
163 
164 typedef struct seq_event_rec {
165                 unsigned char arr[8];
166 } seq_event_rec;
167 
168 #define SNDCTL_TMR_TIMEBASE             _SIOWR('T', 1, int)
169 #define SNDCTL_TMR_START                _SIO  ('T', 2)
170 #define SNDCTL_TMR_STOP                 _SIO  ('T', 3)
171 #define SNDCTL_TMR_CONTINUE             _SIO  ('T', 4)
172 #define SNDCTL_TMR_TEMPO                _SIOWR('T', 5, int)
173 #define SNDCTL_TMR_SOURCE               _SIOWR('T', 6, int)
174 #       define TMR_INTERNAL             0x00000001
175 #       define TMR_EXTERNAL             0x00000002
176 #               define TMR_MODE_MIDI    0x00000010
177 #               define TMR_MODE_FSK     0x00000020
178 #               define TMR_MODE_CLS     0x00000040
179 #               define TMR_MODE_SMPTE   0x00000080
180 #define SNDCTL_TMR_METRONOME            _SIOW ('T', 7, int)
181 #define SNDCTL_TMR_SELECT               _SIOW ('T', 8, int)
182 
183 /*
184  * Some big endian/little endian handling macros
185  */
186 
187 #define _LINUX_PATCHKEY_H_INDIRECT
188 #include <linux/patchkey.h>
189 #undef _LINUX_PATCHKEY_H_INDIRECT
190 
191 #if !defined(__KERNEL__)
192 # if defined(__BYTE_ORDER)
193 #  if __BYTE_ORDER == __BIG_ENDIAN
194 #    define AFMT_S16_NE AFMT_S16_BE
195 #  elif __BYTE_ORDER == __LITTLE_ENDIAN
196 #    define AFMT_S16_NE AFMT_S16_LE
197 #  else
198 #    error "could not determine byte order"
199 #  endif
200 # endif
201 #endif
202 
203 /*
204  *      Sample loading mechanism for internal synthesizers (/dev/sequencer)
205  *      The following patch_info structure has been designed to support
206  *      Gravis UltraSound. It tries to be universal format for uploading
207  *      sample based patches but is probably too limited.
208  *
209  *      (PBD) As Hannu guessed, the GUS structure is too limited for 
210  *      the WaveFront, but this is the right place for a constant definition.
211  */
212 
213 struct patch_info {
214                 unsigned short key;             /* Use WAVE_PATCH here */
215 #define WAVE_PATCH         _PATCHKEY(0x04)
216 #define GUS_PATCH          WAVE_PATCH
217 #define WAVEFRONT_PATCH    _PATCHKEY(0x06)
218 
219                 short device_no;        /* Synthesizer number */
220                 short instr_no;         /* Midi pgm# */
221 
222                 unsigned int mode;
223 /*
224  * The least significant byte has the same format than the GUS .PAT
225  * files
226  */
227 #define WAVE_16_BITS    0x01    /* bit 0 = 8 or 16 bit wave data. */
228 #define WAVE_UNSIGNED   0x02    /* bit 1 = Signed - Unsigned data. */
229 #define WAVE_LOOPING    0x04    /* bit 2 = looping enabled-1. */
230 #define WAVE_BIDIR_LOOP 0x08    /* bit 3 = Set is bidirectional looping. */
231 #define WAVE_LOOP_BACK  0x10    /* bit 4 = Set is looping backward. */
232 #define WAVE_SUSTAIN_ON 0x20    /* bit 5 = Turn sustaining on. (Env. pts. 3)*/
233 #define WAVE_ENVELOPES  0x40    /* bit 6 = Enable envelopes - 1 */
234 #define WAVE_FAST_RELEASE 0x80  /* bit 7 = Shut off immediately after note off */
235                                 /*      (use the env_rate/env_offs fields). */
236 /* Linux specific bits */
237 #define WAVE_VIBRATO    0x00010000      /* The vibrato info is valid */
238 #define WAVE_TREMOLO    0x00020000      /* The tremolo info is valid */
239 #define WAVE_SCALE      0x00040000      /* The scaling info is valid */
240 #define WAVE_FRACTIONS  0x00080000      /* Fraction information is valid */
241 /* Reserved bits */
242 #define WAVE_ROM        0x40000000      /* For future use */
243 #define WAVE_MULAW      0x20000000      /* For future use */
244 /* Other bits must be zeroed */
245 
246                 int len;        /* Size of the wave data in bytes */
247                 int loop_start, loop_end; /* Byte offsets from the beginning */
248 
249 /* 
250  * The base_freq and base_note fields are used when computing the
251  * playback speed for a note. The base_note defines the tone frequency
252  * which is heard if the sample is played using the base_freq as the
253  * playback speed.
254  *
255  * The low_note and high_note fields define the minimum and maximum note
256  * frequencies for which this sample is valid. It is possible to define
257  * more than one samples for an instrument number at the same time. The
258  * low_note and high_note fields are used to select the most suitable one.
259  *
260  * The fields base_note, high_note and low_note should contain
261  * the note frequency multiplied by 1000. For example value for the
262  * middle A is 440*1000.
263  */
264 
265                 unsigned int base_freq;
266                 unsigned int base_note;
267                 unsigned int high_note;
268                 unsigned int low_note;
269                 int panning;    /* -128=left, 127=right */
270                 int detuning;
271 
272 /*      New fields introduced in version 1.99.5 */
273 
274        /* Envelope. Enabled by mode bit WAVE_ENVELOPES  */
275                 unsigned char   env_rate[ 6 ];   /* GUS HW ramping rate */
276                 unsigned char   env_offset[ 6 ]; /* 255 == 100% */
277 
278         /* 
279          * The tremolo, vibrato and scale info are not supported yet.
280          * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
281          * WAVE_SCALE
282          */
283 
284                 unsigned char   tremolo_sweep;
285                 unsigned char   tremolo_rate;
286                 unsigned char   tremolo_depth;
287         
288                 unsigned char   vibrato_sweep;
289                 unsigned char   vibrato_rate;
290                 unsigned char   vibrato_depth;
291 
292                 int             scale_frequency;
293                 unsigned int    scale_factor;           /* from 0 to 2048 or 0 to 2 */
294         
295                 int             volume;
296                 int             fractions;
297                 int             reserved1;
298                 int             spare[2];
299                 char data[1];   /* The waveform data starts here */
300         };
301 
302 struct sysex_info {
303                 short key;              /* Use SYSEX_PATCH or MAUI_PATCH here */
304 #define SYSEX_PATCH     _PATCHKEY(0x05)
305 #define MAUI_PATCH      _PATCHKEY(0x06)
306                 short device_no;        /* Synthesizer number */
307                 int len;        /* Size of the sysex data in bytes */
308                 unsigned char data[1];  /* Sysex data starts here */
309         };
310 
311 /*
312  * /dev/sequencer input events.
313  *
314  * The data written to the /dev/sequencer is a stream of events. Events
315  * are records of 4 or 8 bytes. The first byte defines the size. 
316  * Any number of events can be written with a write call. There
317  * is a set of macros for sending these events. Use these macros if you
318  * want to maximize portability of your program.
319  *
320  * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
321  * (All input events are currently 4 bytes long. Be prepared to support
322  * 8 byte events also. If you receive any event having first byte >= 128,
323  * it's a 8 byte event.
324  *
325  * The events are documented at the end of this file.
326  *
327  * Normal events (4 bytes)
328  * There is also a 8 byte version of most of the 4 byte events. The
329  * 8 byte one is recommended.
330  */
331 #define SEQ_NOTEOFF             0
332 #define SEQ_FMNOTEOFF           SEQ_NOTEOFF     /* Just old name */
333 #define SEQ_NOTEON              1
334 #define SEQ_FMNOTEON            SEQ_NOTEON
335 #define SEQ_WAIT                TMR_WAIT_ABS
336 #define SEQ_PGMCHANGE           3
337 #define SEQ_FMPGMCHANGE         SEQ_PGMCHANGE
338 #define SEQ_SYNCTIMER           TMR_START
339 #define SEQ_MIDIPUTC            5
340 #define SEQ_DRUMON              6       /*** OBSOLETE ***/
341 #define SEQ_DRUMOFF             7       /*** OBSOLETE ***/
342 #define SEQ_ECHO                TMR_ECHO        /* For synching programs with output */
343 #define SEQ_AFTERTOUCH          9
344 #define SEQ_CONTROLLER          10
345 
346 /*******************************************
347  *      Midi controller numbers
348  *******************************************
349  * Controllers 0 to 31 (0x00 to 0x1f) and
350  * 32 to 63 (0x20 to 0x3f) are continuous
351  * controllers.
352  * In the MIDI 1.0 these controllers are sent using
353  * two messages. Controller numbers 0 to 31 are used
354  * to send the MSB and the controller numbers 32 to 63
355  * are for the LSB. Note that just 7 bits are used in MIDI bytes.
356  */
357 
358 #define    CTL_BANK_SELECT              0x00
359 #define    CTL_MODWHEEL                 0x01
360 #define    CTL_BREATH                   0x02
361 /*              undefined               0x03 */
362 #define    CTL_FOOT                     0x04
363 #define    CTL_PORTAMENTO_TIME          0x05
364 #define    CTL_DATA_ENTRY               0x06
365 #define    CTL_MAIN_VOLUME              0x07
366 #define    CTL_BALANCE                  0x08
367 /*              undefined               0x09 */
368 #define    CTL_PAN                      0x0a
369 #define    CTL_EXPRESSION               0x0b
370 /*              undefined               0x0c */
371 /*              undefined               0x0d */
372 /*              undefined               0x0e */
373 /*              undefined               0x0f */
374 #define    CTL_GENERAL_PURPOSE1 0x10
375 #define    CTL_GENERAL_PURPOSE2 0x11
376 #define    CTL_GENERAL_PURPOSE3 0x12
377 #define    CTL_GENERAL_PURPOSE4 0x13
378 /*              undefined               0x14 - 0x1f */
379 
380 /*              undefined               0x20 */
381 /* The controller numbers 0x21 to 0x3f are reserved for the */
382 /* least significant bytes of the controllers 0x00 to 0x1f. */
383 /* These controllers are not recognised by the driver. */
384 
385 /* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */
386 /* 0=OFF and 127=ON (intermediate values are possible) */
387 #define    CTL_DAMPER_PEDAL             0x40
388 #define    CTL_SUSTAIN                  0x40    /* Alias */
389 #define    CTL_HOLD                     0x40    /* Alias */
390 #define    CTL_PORTAMENTO               0x41
391 #define    CTL_SOSTENUTO                0x42
392 #define    CTL_SOFT_PEDAL               0x43
393 /*              undefined               0x44 */
394 #define    CTL_HOLD2                    0x45
395 /*              undefined               0x46 - 0x4f */
396 
397 #define    CTL_GENERAL_PURPOSE5 0x50
398 #define    CTL_GENERAL_PURPOSE6 0x51
399 #define    CTL_GENERAL_PURPOSE7 0x52
400 #define    CTL_GENERAL_PURPOSE8 0x53
401 /*              undefined               0x54 - 0x5a */
402 #define    CTL_EXT_EFF_DEPTH            0x5b
403 #define    CTL_TREMOLO_DEPTH            0x5c
404 #define    CTL_CHORUS_DEPTH             0x5d
405 #define    CTL_DETUNE_DEPTH             0x5e
406 #define    CTL_CELESTE_DEPTH            0x5e    /* Alias for the above one */
407 #define    CTL_PHASER_DEPTH             0x5f
408 #define    CTL_DATA_INCREMENT           0x60
409 #define    CTL_DATA_DECREMENT           0x61
410 #define    CTL_NONREG_PARM_NUM_LSB      0x62
411 #define    CTL_NONREG_PARM_NUM_MSB      0x63
412 #define    CTL_REGIST_PARM_NUM_LSB      0x64
413 #define    CTL_REGIST_PARM_NUM_MSB      0x65
414 /*              undefined               0x66 - 0x78 */
415 /*              reserved                0x79 - 0x7f */
416 
417 /* Pseudo controllers (not midi compatible) */
418 #define    CTRL_PITCH_BENDER            255
419 #define    CTRL_PITCH_BENDER_RANGE      254
420 #define    CTRL_EXPRESSION              253     /* Obsolete */
421 #define    CTRL_MAIN_VOLUME             252     /* Obsolete */
422 #define SEQ_BALANCE             11
423 #define SEQ_VOLMODE             12
424 
425 /*
426  * Volume mode decides how volumes are used
427  */
428 
429 #define VOL_METHOD_ADAGIO       1
430 #define VOL_METHOD_LINEAR       2
431 
432 /*
433  * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
434  *       input events.
435  */
436 
437 /*
438  * Event codes 0xf0 to 0xfc are reserved for future extensions.
439  */
440 
441 #define SEQ_FULLSIZE            0xfd    /* Long events */
442 /*
443  *      SEQ_FULLSIZE events are used for loading patches/samples to the
444  *      synthesizer devices. These events are passed directly to the driver
445  *      of the associated synthesizer device. There is no limit to the size
446  *      of the extended events. These events are not queued but executed
447  *      immediately when the write() is called (execution can take several
448  *      seconds of time). 
449  *
450  *      When a SEQ_FULLSIZE message is written to the device, it must
451  *      be written using exactly one write() call. Other events cannot
452  *      be mixed to the same write.
453  *      
454  *      For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the 
455  *      /dev/sequencer. Don't write other data together with the instrument structure
456  *      Set the key field of the structure to FM_PATCH. The device field is used to
457  *      route the patch to the corresponding device.
458  *
459  *      For wave table use struct patch_info. Initialize the key field
460  *      to WAVE_PATCH.
461  */
462 #define SEQ_PRIVATE             0xfe    /* Low level HW dependent events (8 bytes) */
463 #define SEQ_EXTENDED            0xff    /* Extended events (8 bytes) OBSOLETE */
464 
465 /*
466  * Record for FM patches
467  */
468 
469 typedef unsigned char sbi_instr_data[32];
470 
471 struct sbi_instrument {
472                 unsigned short  key;    /* FM_PATCH or OPL3_PATCH */
473 #define FM_PATCH        _PATCHKEY(0x01)
474 #define OPL3_PATCH      _PATCHKEY(0x03)
475                 short           device;         /*      Synth# (0-4)    */
476                 int             channel;        /*      Program# to be initialized      */
477                 sbi_instr_data  operators;      /*      Register settings for operator cells (.SBI format)      */
478         };
479 
480 struct synth_info {     /* Read only */
481                 char    name[30];
482                 int     device;         /* 0-N. INITIALIZE BEFORE CALLING */
483                 int     synth_type;
484 #define SYNTH_TYPE_FM                   0
485 #define SYNTH_TYPE_SAMPLE               1
486 #define SYNTH_TYPE_MIDI                 2       /* Midi interface */
487 
488                 int     synth_subtype;
489 #define FM_TYPE_ADLIB                   0x00
490 #define FM_TYPE_OPL3                    0x01
491 #define MIDI_TYPE_MPU401                0x401
492 
493 #define SAMPLE_TYPE_BASIC               0x10
494 #define SAMPLE_TYPE_GUS                 SAMPLE_TYPE_BASIC
495 #define SAMPLE_TYPE_WAVEFRONT           0x11
496 
497                 int     perc_mode;      /* No longer supported */
498                 int     nr_voices;
499                 int     nr_drums;       /* Obsolete field */
500                 int     instr_bank_size;
501                 unsigned int    capabilities;   
502 #define SYNTH_CAP_PERCMODE              0x00000001 /* No longer used */
503 #define SYNTH_CAP_OPL3                  0x00000002 /* Set if OPL3 supported */
504 #define SYNTH_CAP_INPUT                 0x00000004 /* Input (MIDI) device */
505                 int     dummies[19];    /* Reserve space */
506         };
507 
508 struct sound_timer_info {
509                 char name[32];
510                 int caps;
511         };
512 
513 #define MIDI_CAP_MPU401         1               /* MPU-401 intelligent mode */
514 
515 struct midi_info {
516                 char            name[30];
517                 int             device;         /* 0-N. INITIALIZE BEFORE CALLING */
518                 unsigned int    capabilities;   /* To be defined later */
519                 int             dev_type;
520                 int             dummies[18];    /* Reserve space */
521         };
522 
523 /********************************************
524  * ioctl commands for the /dev/midi##
525  */
526 typedef struct {
527                 unsigned char cmd;
528                 char nr_args, nr_returns;
529                 unsigned char data[30];
530         } mpu_command_rec;
531 
532 #define SNDCTL_MIDI_PRETIME             _SIOWR('m', 0, int)
533 #define SNDCTL_MIDI_MPUMODE             _SIOWR('m', 1, int)
534 #define SNDCTL_MIDI_MPUCMD              _SIOWR('m', 2, mpu_command_rec)
535 
536 /********************************************
537  * IOCTL commands for /dev/dsp and /dev/audio
538  */
539 
540 #define SNDCTL_DSP_RESET                _SIO  ('P', 0)
541 #define SNDCTL_DSP_SYNC                 _SIO  ('P', 1)
542 #define SNDCTL_DSP_SPEED                _SIOWR('P', 2, int)
543 #define SNDCTL_DSP_STEREO               _SIOWR('P', 3, int)
544 #define SNDCTL_DSP_GETBLKSIZE           _SIOWR('P', 4, int)
545 #define SNDCTL_DSP_SAMPLESIZE           SNDCTL_DSP_SETFMT
546 #define SNDCTL_DSP_CHANNELS             _SIOWR('P', 6, int)
547 #define SOUND_PCM_WRITE_CHANNELS        SNDCTL_DSP_CHANNELS
548 #define SOUND_PCM_WRITE_FILTER          _SIOWR('P', 7, int)
549 #define SNDCTL_DSP_POST                 _SIO  ('P', 8)
550 #define SNDCTL_DSP_SUBDIVIDE            _SIOWR('P', 9, int)
551 #define SNDCTL_DSP_SETFRAGMENT          _SIOWR('P',10, int)
552 
553 /*      Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */
554 #define SNDCTL_DSP_GETFMTS              _SIOR ('P',11, int) /* Returns a mask */
555 #define SNDCTL_DSP_SETFMT               _SIOWR('P',5, int) /* Selects ONE fmt*/
556 #       define AFMT_QUERY               0x00000000      /* Return current fmt */
557 #       define AFMT_MU_LAW              0x00000001
558 #       define AFMT_A_LAW               0x00000002
559 #       define AFMT_IMA_ADPCM           0x00000004
560 #       define AFMT_U8                  0x00000008
561 #       define AFMT_S16_LE              0x00000010      /* Little endian signed 16*/
562 #       define AFMT_S16_BE              0x00000020      /* Big endian signed 16 */
563 #       define AFMT_S8                  0x00000040
564 #       define AFMT_U16_LE              0x00000080      /* Little endian U16 */
565 #       define AFMT_U16_BE              0x00000100      /* Big endian U16 */
566 #       define AFMT_MPEG                0x00000200      /* MPEG (2) audio */
567 #       define AFMT_AC3         0x00000400      /* Dolby Digital AC3 */
568 
569 /*
570  * Buffer status queries.
571  */
572 typedef struct audio_buf_info {
573                         int fragments;  /* # of available fragments (partially usend ones not counted) */
574                         int fragstotal; /* Total # of fragments allocated */
575                         int fragsize;   /* Size of a fragment in bytes */
576 
577                         int bytes;      /* Available space in bytes (includes partially used fragments) */
578                         /* Note! 'bytes' could be more than fragments*fragsize */
579                 } audio_buf_info;
580 
581 #define SNDCTL_DSP_GETOSPACE            _SIOR ('P',12, audio_buf_info)
582 #define SNDCTL_DSP_GETISPACE            _SIOR ('P',13, audio_buf_info)
583 #define SNDCTL_DSP_NONBLOCK             _SIO  ('P',14)
584 #define SNDCTL_DSP_GETCAPS              _SIOR ('P',15, int)
585 #       define DSP_CAP_REVISION         0x000000ff      /* Bits for revision level (0 to 255) */
586 #       define DSP_CAP_DUPLEX           0x00000100      /* Full duplex record/playback */
587 #       define DSP_CAP_REALTIME         0x00000200      /* Real time capability */
588 #       define DSP_CAP_BATCH            0x00000400      /* Device has some kind of */
589                                                         /* internal buffers which may */
590                                                         /* cause some delays and */
591                                                         /* decrease precision of timing */
592 #       define DSP_CAP_COPROC           0x00000800      /* Has a coprocessor */
593                                                         /* Sometimes it's a DSP */
594                                                         /* but usually not */
595 #       define DSP_CAP_TRIGGER          0x00001000      /* Supports SETTRIGGER */
596 #       define DSP_CAP_MMAP             0x00002000      /* Supports mmap() */
597 #       define DSP_CAP_MULTI            0x00004000      /* support multiple open */
598 #       define DSP_CAP_BIND             0x00008000      /* channel binding to front/rear/cneter/lfe */
599 
600 
601 #define SNDCTL_DSP_GETTRIGGER           _SIOR ('P',16, int)
602 #define SNDCTL_DSP_SETTRIGGER           _SIOW ('P',16, int)
603 #       define PCM_ENABLE_INPUT         0x00000001
604 #       define PCM_ENABLE_OUTPUT                0x00000002
605 
606 typedef struct count_info {
607                 int bytes;      /* Total # of bytes processed */
608                 int blocks;     /* # of fragment transitions since last time */
609                 int ptr;        /* Current DMA pointer value */
610         } count_info;
611 
612 #define SNDCTL_DSP_GETIPTR              _SIOR ('P',17, count_info)
613 #define SNDCTL_DSP_GETOPTR              _SIOR ('P',18, count_info)
614 
615 typedef struct buffmem_desc {
616                 unsigned *buffer;
617                 int size;
618         } buffmem_desc;
619 #define SNDCTL_DSP_MAPINBUF             _SIOR ('P', 19, buffmem_desc)
620 #define SNDCTL_DSP_MAPOUTBUF            _SIOR ('P', 20, buffmem_desc)
621 #define SNDCTL_DSP_SETSYNCRO            _SIO  ('P', 21)
622 #define SNDCTL_DSP_SETDUPLEX            _SIO  ('P', 22)
623 #define SNDCTL_DSP_GETODELAY            _SIOR ('P', 23, int)
624 
625 #define SNDCTL_DSP_GETCHANNELMASK               _SIOWR('P', 64, int)
626 #define SNDCTL_DSP_BIND_CHANNEL         _SIOWR('P', 65, int)
627 #       define DSP_BIND_QUERY           0x00000000
628 #       define DSP_BIND_FRONT           0x00000001
629 #       define DSP_BIND_SURR            0x00000002
630 #       define DSP_BIND_CENTER_LFE      0x00000004
631 #       define DSP_BIND_HANDSET         0x00000008
632 #       define DSP_BIND_MIC             0x00000010
633 #       define DSP_BIND_MODEM1          0x00000020
634 #       define DSP_BIND_MODEM2          0x00000040
635 #       define DSP_BIND_I2S             0x00000080
636 #       define DSP_BIND_SPDIF           0x00000100
637 
638 #define SNDCTL_DSP_SETSPDIF             _SIOW ('P', 66, int)
639 #define SNDCTL_DSP_GETSPDIF             _SIOR ('P', 67, int)
640 #       define SPDIF_PRO        0x0001
641 #       define SPDIF_N_AUD      0x0002
642 #       define SPDIF_COPY       0x0004
643 #       define SPDIF_PRE        0x0008
644 #       define SPDIF_CC         0x07f0
645 #       define SPDIF_L          0x0800
646 #       define SPDIF_DRS        0x4000
647 #       define SPDIF_V          0x8000
648 
649 /*
650  * Application's profile defines the way how playback underrun situations should be handled.
651  * 
652  *      APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the
653  *      playback buffer whenever an underrun occurs. This consumes some time
654  *      prevents looping the existing buffer.
655  *      APF_CPUINTENS is intended to be set by CPU intensive applications which
656  *      are likely to run out of time occasionally. In this mode the buffer cleanup is
657  *      disabled which saves CPU time but also let's the previous buffer content to
658  *      be played during the "pause" after the underrun.
659  */
660 #define SNDCTL_DSP_PROFILE              _SIOW ('P', 23, int)
661 #define   APF_NORMAL    0       /* Normal applications */
662 #define   APF_NETWORK   1       /* Underruns probably caused by an "external" delay */
663 #define   APF_CPUINTENS 2       /* Underruns probably caused by "overheating" the CPU */
664 
665 #define SOUND_PCM_READ_RATE             _SIOR ('P', 2, int)
666 #define SOUND_PCM_READ_CHANNELS         _SIOR ('P', 6, int)
667 #define SOUND_PCM_READ_BITS             _SIOR ('P', 5, int)
668 #define SOUND_PCM_READ_FILTER           _SIOR ('P', 7, int)
669 
670 /* Some alias names */
671 #define SOUND_PCM_WRITE_BITS            SNDCTL_DSP_SETFMT
672 #define SOUND_PCM_WRITE_RATE            SNDCTL_DSP_SPEED
673 #define SOUND_PCM_POST                  SNDCTL_DSP_POST
674 #define SOUND_PCM_RESET                 SNDCTL_DSP_RESET
675 #define SOUND_PCM_SYNC                  SNDCTL_DSP_SYNC
676 #define SOUND_PCM_SUBDIVIDE             SNDCTL_DSP_SUBDIVIDE
677 #define SOUND_PCM_SETFRAGMENT           SNDCTL_DSP_SETFRAGMENT
678 #define SOUND_PCM_GETFMTS               SNDCTL_DSP_GETFMTS
679 #define SOUND_PCM_SETFMT                SNDCTL_DSP_SETFMT
680 #define SOUND_PCM_GETOSPACE             SNDCTL_DSP_GETOSPACE
681 #define SOUND_PCM_GETISPACE             SNDCTL_DSP_GETISPACE
682 #define SOUND_PCM_NONBLOCK              SNDCTL_DSP_NONBLOCK
683 #define SOUND_PCM_GETCAPS               SNDCTL_DSP_GETCAPS
684 #define SOUND_PCM_GETTRIGGER            SNDCTL_DSP_GETTRIGGER
685 #define SOUND_PCM_SETTRIGGER            SNDCTL_DSP_SETTRIGGER
686 #define SOUND_PCM_SETSYNCRO             SNDCTL_DSP_SETSYNCRO
687 #define SOUND_PCM_GETIPTR               SNDCTL_DSP_GETIPTR
688 #define SOUND_PCM_GETOPTR               SNDCTL_DSP_GETOPTR
689 #define SOUND_PCM_MAPINBUF              SNDCTL_DSP_MAPINBUF
690 #define SOUND_PCM_MAPOUTBUF             SNDCTL_DSP_MAPOUTBUF
691 
692 /*
693  * ioctl calls to be used in communication with coprocessors and
694  * DSP chips.
695  */
696 
697 typedef struct copr_buffer {
698                 int command;    /* Set to 0 if not used */
699                 int flags;
700 #define CPF_NONE                0x0000
701 #define CPF_FIRST               0x0001  /* First block */
702 #define CPF_LAST                0x0002  /* Last block */
703                 int len;
704                 int offs;       /* If required by the device (0 if not used) */
705 
706                 unsigned char data[4000]; /* NOTE! 4000 is not 4k */
707         } copr_buffer;
708 
709 typedef struct copr_debug_buf {
710                 int command;    /* Used internally. Set to 0 */
711                 int parm1;
712                 int parm2;
713                 int flags;      
714                 int len;        /* Length of data in bytes */
715         } copr_debug_buf;
716 
717 typedef struct copr_msg {
718                 int len;
719                 unsigned char data[4000];
720         } copr_msg;
721 
722 #define SNDCTL_COPR_RESET             _SIO  ('C',  0)
723 #define SNDCTL_COPR_LOAD              _SIOWR('C',  1, copr_buffer)
724 #define SNDCTL_COPR_RDATA             _SIOWR('C',  2, copr_debug_buf)
725 #define SNDCTL_COPR_RCODE             _SIOWR('C',  3, copr_debug_buf)
726 #define SNDCTL_COPR_WDATA             _SIOW ('C',  4, copr_debug_buf)
727 #define SNDCTL_COPR_WCODE             _SIOW ('C',  5, copr_debug_buf)
728 #define SNDCTL_COPR_RUN               _SIOWR('C',  6, copr_debug_buf)
729 #define SNDCTL_COPR_HALT              _SIOWR('C',  7, copr_debug_buf)
730 #define SNDCTL_COPR_SENDMSG           _SIOWR('C',  8, copr_msg)
731 #define SNDCTL_COPR_RCVMSG            _SIOR ('C',  9, copr_msg)
732 
733 /*********************************************
734  * IOCTL commands for /dev/mixer
735  */
736         
737 /* 
738  * Mixer devices
739  *
740  * There can be up to 20 different analog mixer channels. The
741  * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 
742  * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
743  * the devices supported by the particular mixer.
744  */
745 
746 #define SOUND_MIXER_NRDEVICES   25
747 #define SOUND_MIXER_VOLUME      0
748 #define SOUND_MIXER_BASS        1
749 #define SOUND_MIXER_TREBLE      2
750 #define SOUND_MIXER_SYNTH       3
751 #define SOUND_MIXER_PCM         4
752 #define SOUND_MIXER_SPEAKER     5
753 #define SOUND_MIXER_LINE        6
754 #define SOUND_MIXER_MIC         7
755 #define SOUND_MIXER_CD          8
756 #define SOUND_MIXER_IMIX        9       /*  Recording monitor  */
757 #define SOUND_MIXER_ALTPCM      10
758 #define SOUND_MIXER_RECLEV      11      /* Recording level */
759 #define SOUND_MIXER_IGAIN       12      /* Input gain */
760 #define SOUND_MIXER_OGAIN       13      /* Output gain */
761 /* 
762  * The AD1848 codec and compatibles have three line level inputs
763  * (line, aux1 and aux2). Since each card manufacturer have assigned
764  * different meanings to these inputs, it's inpractical to assign
765  * specific meanings (line, cd, synth etc.) to them.
766  */
767 #define SOUND_MIXER_LINE1       14      /* Input source 1  (aux1) */
768 #define SOUND_MIXER_LINE2       15      /* Input source 2  (aux2) */
769 #define SOUND_MIXER_LINE3       16      /* Input source 3  (line) */
770 #define SOUND_MIXER_DIGITAL1    17      /* Digital (input) 1 */
771 #define SOUND_MIXER_DIGITAL2    18      /* Digital (input) 2 */
772 #define SOUND_MIXER_DIGITAL3    19      /* Digital (input) 3 */
773 #define SOUND_MIXER_PHONEIN     20      /* Phone input */
774 #define SOUND_MIXER_PHONEOUT    21      /* Phone output */
775 #define SOUND_MIXER_VIDEO       22      /* Video/TV (audio) in */
776 #define SOUND_MIXER_RADIO       23      /* Radio in */
777 #define SOUND_MIXER_MONITOR     24      /* Monitor (usually mic) volume */
778 
779 /* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */
780 /* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */
781 #define SOUND_ONOFF_MIN         28
782 #define SOUND_ONOFF_MAX         30
783 
784 /* Note!        Number 31 cannot be used since the sign bit is reserved */
785 #define SOUND_MIXER_NONE        31
786 
787 /*
788  * The following unsupported macros are no longer functional.
789  * Use SOUND_MIXER_PRIVATE# macros in future.
790  */
791 #define SOUND_MIXER_ENHANCE     SOUND_MIXER_NONE
792 #define SOUND_MIXER_MUTE        SOUND_MIXER_NONE
793 #define SOUND_MIXER_LOUD        SOUND_MIXER_NONE
794 
795 
796 #define SOUND_DEVICE_LABELS     {"Vol  ", "Bass ", "Trebl", "Synth", "Pcm  ", "Spkr ", "Line ", \
797                                  "Mic  ", "CD   ", "Mix  ", "Pcm2 ", "Rec  ", "IGain", "OGain", \
798                                  "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
799                                  "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
800 
801 #define SOUND_DEVICE_NAMES      {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
802                                  "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
803                                  "line1", "line2", "line3", "dig1", "dig2", "dig3", \
804                                  "phin", "phout", "video", "radio", "monitor"}
805 
806 /*      Device bitmask identifiers      */
807 
808 #define SOUND_MIXER_RECSRC      0xff    /* Arg contains a bit for each recording source */
809 #define SOUND_MIXER_DEVMASK     0xfe    /* Arg contains a bit for each supported device */
810 #define SOUND_MIXER_RECMASK     0xfd    /* Arg contains a bit for each supported recording source */
811 #define SOUND_MIXER_CAPS        0xfc
812 #       define SOUND_CAP_EXCL_INPUT     0x00000001      /* Only one recording source at a time */
813 #define SOUND_MIXER_STEREODEVS  0xfb    /* Mixer channels supporting stereo */
814 #define SOUND_MIXER_OUTSRC      0xfa    /* Arg contains a bit for each input source to output */
815 #define SOUND_MIXER_OUTMASK     0xf9    /* Arg contains a bit for each supported input source to output */
816 
817 /*      Device mask bits        */
818 
819 #define SOUND_MASK_VOLUME       (1 << SOUND_MIXER_VOLUME)
820 #define SOUND_MASK_BASS         (1 << SOUND_MIXER_BASS)
821 #define SOUND_MASK_TREBLE       (1 << SOUND_MIXER_TREBLE)
822 #define SOUND_MASK_SYNTH        (1 << SOUND_MIXER_SYNTH)
823 #define SOUND_MASK_PCM          (1 << SOUND_MIXER_PCM)
824 #define SOUND_MASK_SPEAKER      (1 << SOUND_MIXER_SPEAKER)
825 #define SOUND_MASK_LINE         (1 << SOUND_MIXER_LINE)
826 #define SOUND_MASK_MIC          (1 << SOUND_MIXER_MIC)
827 #define SOUND_MASK_CD           (1 << SOUND_MIXER_CD)
828 #define SOUND_MASK_IMIX         (1 << SOUND_MIXER_IMIX)
829 #define SOUND_MASK_ALTPCM       (1 << SOUND_MIXER_ALTPCM)
830 #define SOUND_MASK_RECLEV       (1 << SOUND_MIXER_RECLEV)
831 #define SOUND_MASK_IGAIN        (1 << SOUND_MIXER_IGAIN)
832 #define SOUND_MASK_OGAIN        (1 << SOUND_MIXER_OGAIN)
833 #define SOUND_MASK_LINE1        (1 << SOUND_MIXER_LINE1)
834 #define SOUND_MASK_LINE2        (1 << SOUND_MIXER_LINE2)
835 #define SOUND_MASK_LINE3        (1 << SOUND_MIXER_LINE3)
836 #define SOUND_MASK_DIGITAL1     (1 << SOUND_MIXER_DIGITAL1)
837 #define SOUND_MASK_DIGITAL2     (1 << SOUND_MIXER_DIGITAL2)
838 #define SOUND_MASK_DIGITAL3     (1 << SOUND_MIXER_DIGITAL3)
839 #define SOUND_MASK_PHONEIN      (1 << SOUND_MIXER_PHONEIN)
840 #define SOUND_MASK_PHONEOUT     (1 << SOUND_MIXER_PHONEOUT)
841 #define SOUND_MASK_RADIO        (1 << SOUND_MIXER_RADIO)
842 #define SOUND_MASK_VIDEO        (1 << SOUND_MIXER_VIDEO)
843 #define SOUND_MASK_MONITOR      (1 << SOUND_MIXER_MONITOR)
844 
845 /* Obsolete macros */
846 #define SOUND_MASK_MUTE         (1 << SOUND_MIXER_MUTE)
847 #define SOUND_MASK_ENHANCE      (1 << SOUND_MIXER_ENHANCE)
848 #define SOUND_MASK_LOUD         (1 << SOUND_MIXER_LOUD)
849 
850 #define MIXER_READ(dev)         _SIOR('M', dev, int)
851 #define SOUND_MIXER_READ_VOLUME         MIXER_READ(SOUND_MIXER_VOLUME)
852 #define SOUND_MIXER_READ_BASS           MIXER_READ(SOUND_MIXER_BASS)
853 #define SOUND_MIXER_READ_TREBLE         MIXER_READ(SOUND_MIXER_TREBLE)
854 #define SOUND_MIXER_READ_SYNTH          MIXER_READ(SOUND_MIXER_SYNTH)
855 #define SOUND_MIXER_READ_PCM            MIXER_READ(SOUND_MIXER_PCM)
856 #define SOUND_MIXER_READ_SPEAKER        MIXER_READ(SOUND_MIXER_SPEAKER)
857 #define SOUND_MIXER_READ_LINE           MIXER_READ(SOUND_MIXER_LINE)
858 #define SOUND_MIXER_READ_MIC            MIXER_READ(SOUND_MIXER_MIC)
859 #define SOUND_MIXER_READ_CD             MIXER_READ(SOUND_MIXER_CD)
860 #define SOUND_MIXER_READ_IMIX           MIXER_READ(SOUND_MIXER_IMIX)
861 #define SOUND_MIXER_READ_ALTPCM         MIXER_READ(SOUND_MIXER_ALTPCM)
862 #define SOUND_MIXER_READ_RECLEV         MIXER_READ(SOUND_MIXER_RECLEV)
863 #define SOUND_MIXER_READ_IGAIN          MIXER_READ(SOUND_MIXER_IGAIN)
864 #define SOUND_MIXER_READ_OGAIN          MIXER_READ(SOUND_MIXER_OGAIN)
865 #define SOUND_MIXER_READ_LINE1          MIXER_READ(SOUND_MIXER_LINE1)
866 #define SOUND_MIXER_READ_LINE2          MIXER_READ(SOUND_MIXER_LINE2)
867 #define SOUND_MIXER_READ_LINE3          MIXER_READ(SOUND_MIXER_LINE3)
868 
869 /* Obsolete macros */
870 #define SOUND_MIXER_READ_MUTE           MIXER_READ(SOUND_MIXER_MUTE)
871 #define SOUND_MIXER_READ_ENHANCE        MIXER_READ(SOUND_MIXER_ENHANCE)
872 #define SOUND_MIXER_READ_LOUD           MIXER_READ(SOUND_MIXER_LOUD)
873 
874 #define SOUND_MIXER_READ_RECSRC         MIXER_READ(SOUND_MIXER_RECSRC)
875 #define SOUND_MIXER_READ_DEVMASK        MIXER_READ(SOUND_MIXER_DEVMASK)
876 #define SOUND_MIXER_READ_RECMASK        MIXER_READ(SOUND_MIXER_RECMASK)
877 #define SOUND_MIXER_READ_STEREODEVS     MIXER_READ(SOUND_MIXER_STEREODEVS)
878 #define SOUND_MIXER_READ_CAPS           MIXER_READ(SOUND_MIXER_CAPS)
879 
880 #define MIXER_WRITE(dev)                _SIOWR('M', dev, int)
881 #define SOUND_MIXER_WRITE_VOLUME        MIXER_WRITE(SOUND_MIXER_VOLUME)
882 #define SOUND_MIXER_WRITE_BASS          MIXER_WRITE(SOUND_MIXER_BASS)
883 #define SOUND_MIXER_WRITE_TREBLE        MIXER_WRITE(SOUND_MIXER_TREBLE)
884 #define SOUND_MIXER_WRITE_SYNTH         MIXER_WRITE(SOUND_MIXER_SYNTH)
885 #define SOUND_MIXER_WRITE_PCM           MIXER_WRITE(SOUND_MIXER_PCM)
886 #define SOUND_MIXER_WRITE_SPEAKER       MIXER_WRITE(SOUND_MIXER_SPEAKER)
887 #define SOUND_MIXER_WRITE_LINE          MIXER_WRITE(SOUND_MIXER_LINE)
888 #define SOUND_MIXER_WRITE_MIC           MIXER_WRITE(SOUND_MIXER_MIC)
889 #define SOUND_MIXER_WRITE_CD            MIXER_WRITE(SOUND_MIXER_CD)
890 #define SOUND_MIXER_WRITE_IMIX          MIXER_WRITE(SOUND_MIXER_IMIX)
891 #define SOUND_MIXER_WRITE_ALTPCM        MIXER_WRITE(SOUND_MIXER_ALTPCM)
892 #define SOUND_MIXER_WRITE_RECLEV        MIXER_WRITE(SOUND_MIXER_RECLEV)
893 #define SOUND_MIXER_WRITE_IGAIN         MIXER_WRITE(SOUND_MIXER_IGAIN)
894 #define SOUND_MIXER_WRITE_OGAIN         MIXER_WRITE(SOUND_MIXER_OGAIN)
895 #define SOUND_MIXER_WRITE_LINE1         MIXER_WRITE(SOUND_MIXER_LINE1)
896 #define SOUND_MIXER_WRITE_LINE2         MIXER_WRITE(SOUND_MIXER_LINE2)
897 #define SOUND_MIXER_WRITE_LINE3         MIXER_WRITE(SOUND_MIXER_LINE3)
898 
899 /* Obsolete macros */
900 #define SOUND_MIXER_WRITE_MUTE          MIXER_WRITE(SOUND_MIXER_MUTE)
901 #define SOUND_MIXER_WRITE_ENHANCE       MIXER_WRITE(SOUND_MIXER_ENHANCE)
902 #define SOUND_MIXER_WRITE_LOUD          MIXER_WRITE(SOUND_MIXER_LOUD)
903 
904 #define SOUND_MIXER_WRITE_RECSRC        MIXER_WRITE(SOUND_MIXER_RECSRC)
905 
906 typedef struct mixer_info
907 {
908   char id[16];
909   char name[32];
910   int  modify_counter;
911   int fillers[10];
912 } mixer_info;
913 
914 typedef struct _old_mixer_info /* Obsolete */
915 {
916   char id[16];
917   char name[32];
918 } _old_mixer_info;
919 
920 #define SOUND_MIXER_INFO                _SIOR ('M', 101, mixer_info)
921 #define SOUND_OLD_MIXER_INFO            _SIOR ('M', 101, _old_mixer_info)
922 
923 /*
924  * A mechanism for accessing "proprietary" mixer features. This method
925  * permits passing 128 bytes of arbitrary data between a mixer application
926  * and the mixer driver. Interpretation of the record is defined by
927  * the particular mixer driver.
928  */
929 typedef unsigned char mixer_record[128];
930 
931 #define SOUND_MIXER_ACCESS              _SIOWR('M', 102, mixer_record)
932 
933 /*
934  * Two ioctls for special souncard function
935  */
936 #define SOUND_MIXER_AGC  _SIOWR('M', 103, int)
937 #define SOUND_MIXER_3DSE  _SIOWR('M', 104, int)
938 
939 /*
940  * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers.
941  * These features can be used when accessing device specific features.
942  */
943 #define SOUND_MIXER_PRIVATE1            _SIOWR('M', 111, int)
944 #define SOUND_MIXER_PRIVATE2            _SIOWR('M', 112, int)
945 #define SOUND_MIXER_PRIVATE3            _SIOWR('M', 113, int)
946 #define SOUND_MIXER_PRIVATE4            _SIOWR('M', 114, int)
947 #define SOUND_MIXER_PRIVATE5            _SIOWR('M', 115, int)
948 
949 /*
950  * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used
951  * for querying current mixer settings from the driver and for loading
952  * default volume settings _prior_ activating the mixer (loading
953  * doesn't affect current state of the mixer hardware). These calls
954  * are for internal use only.
955  */
956 
957 typedef struct mixer_vol_table {
958   int num;      /* Index to volume table */
959   char name[32];
960   int levels[32];
961 } mixer_vol_table;
962 
963 #define SOUND_MIXER_GETLEVELS           _SIOWR('M', 116, mixer_vol_table)
964 #define SOUND_MIXER_SETLEVELS           _SIOWR('M', 117, mixer_vol_table)
965 
966 /* 
967  * An ioctl for identifying the driver version. It will return value
968  * of the SOUND_VERSION macro used when compiling the driver.
969  * This call was introduced in OSS version 3.6 and it will not work
970  * with earlier versions (returns EINVAL).
971  */
972 #define OSS_GETVERSION                  _SIOR ('M', 118, int)
973 
974 /*
975  * Level 2 event types for /dev/sequencer
976  */
977 
978 /*
979  * The 4 most significant bits of byte 0 specify the class of
980  * the event: 
981  *
982  *      0x8X = system level events,
983  *      0x9X = device/port specific events, event[1] = device/port,
984  *              The last 4 bits give the subtype:
985  *                      0x02    = Channel event (event[3] = chn).
986  *                      0x01    = note event (event[4] = note).
987  *                      (0x01 is not used alone but always with bit 0x02).
988  *             event[2] = MIDI message code (0x80=note off etc.)
989  *
990  */
991 
992 #define EV_SEQ_LOCAL            0x80
993 #define EV_TIMING               0x81
994 #define EV_CHN_COMMON           0x92
995 #define EV_CHN_VOICE            0x93
996 #define EV_SYSEX                0x94
997 /*
998  * Event types 200 to 220 are reserved for application use.
999  * These numbers will not be used by the driver.
1000  */
1001 
1002 /*
1003  * Events for event type EV_CHN_VOICE
1004  */
1005 
1006 #define MIDI_NOTEOFF            0x80
1007 #define MIDI_NOTEON             0x90
1008 #define MIDI_KEY_PRESSURE       0xA0
1009 
1010 /*
1011  * Events for event type EV_CHN_COMMON
1012  */
1013 
1014 #define MIDI_CTL_CHANGE         0xB0
1015 #define MIDI_PGM_CHANGE         0xC0
1016 #define MIDI_CHN_PRESSURE       0xD0
1017 #define MIDI_PITCH_BEND         0xE0
1018 
1019 #define MIDI_SYSTEM_PREFIX      0xF0
1020 
1021 /*
1022  * Timer event types
1023  */
1024 #define TMR_WAIT_REL            1       /* Time relative to the prev time */
1025 #define TMR_WAIT_ABS            2       /* Absolute time since TMR_START */
1026 #define TMR_STOP                3
1027 #define TMR_START               4
1028 #define TMR_CONTINUE            5
1029 #define TMR_TEMPO               6
1030 #define TMR_ECHO                8
1031 #define TMR_CLOCK               9       /* MIDI clock */
1032 #define TMR_SPP                 10      /* Song position pointer */
1033 #define TMR_TIMESIG             11      /* Time signature */
1034 
1035 /*
1036  *      Local event types
1037  */
1038 #define LOCL_STARTAUDIO         1
1039 
1040 #if !defined(__KERNEL__) || defined(USE_SEQ_MACROS)
1041 /*
1042  *      Some convenience macros to simplify programming of the
1043  *      /dev/sequencer interface
1044  *
1045  *      This is a legacy interface for applications written against
1046  *      the OSSlib-3.8 style interface. It is no longer possible
1047  *      to actually link against OSSlib with this header, but we
1048  *      still provide these macros for programs using them.
1049  *
1050  *      If you want to use OSSlib, it is recommended that you get
1051  *      the GPL version of OSS-4.x and build against that version
1052  *      of the header.
1053  *
1054  *      We redefine the extern keyword so that usr/include/headers_check.pl
1055  *      does not complain about SEQ_USE_EXTBUF.
1056  */
1057 #define SEQ_DECLAREBUF()                SEQ_USE_EXTBUF()
1058 
1059 void seqbuf_dump(void); /* This function must be provided by programs */
1060 
1061 #define SEQ_PM_DEFINES int __foo_bar___
1062 
1063 #define SEQ_LOAD_GMINSTR(dev, instr)
1064 #define SEQ_LOAD_GMDRUM(dev, drum)
1065 
1066 #define _SEQ_EXTERN extern
1067 #define SEQ_USE_EXTBUF() \
1068                 _SEQ_EXTERN unsigned char _seqbuf[]; \
1069                 _SEQ_EXTERN int _seqbuflen; _SEQ_EXTERN int _seqbufptr
1070 
1071 #ifndef USE_SIMPLE_MACROS
1072 /* Sample seqbuf_dump() implementation:
1073  *
1074  *      SEQ_DEFINEBUF (2048);   -- Defines a buffer for 2048 bytes
1075  *
1076  *      int seqfd;              -- The file descriptor for /dev/sequencer.
1077  *
1078  *      void
1079  *      seqbuf_dump ()
1080  *      {
1081  *        if (_seqbufptr)
1082  *          if (write (seqfd, _seqbuf, _seqbufptr) == -1)
1083  *            {
1084  *              perror ("write /dev/sequencer");
1085  *              exit (-1);
1086  *            }
1087  *        _seqbufptr = 0;
1088  *      }
1089  */
1090 
1091 #define SEQ_DEFINEBUF(len)              unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
1092 #define _SEQ_NEEDBUF(len)               if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump()
1093 #define _SEQ_ADVBUF(len)                _seqbufptr += len
1094 #define SEQ_DUMPBUF                     seqbuf_dump
1095 #else
1096 /*
1097  * This variation of the sequencer macros is used just to format one event
1098  * using fixed buffer.
1099  * 
1100  * The program using the macro library must define the following macros before
1101  * using this library.
1102  *
1103  * #define _seqbuf               name of the buffer (unsigned char[]) 
1104  * #define _SEQ_ADVBUF(len)      If the applic needs to know the exact
1105  *                               size of the event, this macro can be used.
1106  *                               Otherwise this must be defined as empty.
1107  * #define _seqbufptr            Define the name of index variable or 0 if
1108  *                               not required. 
1109  */
1110 #define _SEQ_NEEDBUF(len)       /* empty */
1111 #endif
1112 
1113 #define SEQ_VOLUME_MODE(dev, mode)      {_SEQ_NEEDBUF(8);\
1114                                         _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1115                                         _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
1116                                         _seqbuf[_seqbufptr+2] = (dev);\
1117                                         _seqbuf[_seqbufptr+3] = (mode);\
1118                                         _seqbuf[_seqbufptr+4] = 0;\
1119                                         _seqbuf[_seqbufptr+5] = 0;\
1120                                         _seqbuf[_seqbufptr+6] = 0;\
1121                                         _seqbuf[_seqbufptr+7] = 0;\
1122                                         _SEQ_ADVBUF(8);}
1123 
1124 /*
1125  * Midi voice messages
1126  */
1127 
1128 #define _CHN_VOICE(dev, event, chn, note, parm) \
1129                                         {_SEQ_NEEDBUF(8);\
1130                                         _seqbuf[_seqbufptr] = EV_CHN_VOICE;\
1131                                         _seqbuf[_seqbufptr+1] = (dev);\
1132                                         _seqbuf[_seqbufptr+2] = (event);\
1133                                         _seqbuf[_seqbufptr+3] = (chn);\
1134                                         _seqbuf[_seqbufptr+4] = (note);\
1135                                         _seqbuf[_seqbufptr+5] = (parm);\
1136                                         _seqbuf[_seqbufptr+6] = (0);\
1137                                         _seqbuf[_seqbufptr+7] = 0;\
1138                                         _SEQ_ADVBUF(8);}
1139 
1140 #define SEQ_START_NOTE(dev, chn, note, vol) \
1141                 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
1142 
1143 #define SEQ_STOP_NOTE(dev, chn, note, vol) \
1144                 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
1145 
1146 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
1147                 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
1148 
1149 /*
1150  * Midi channel messages
1151  */
1152 
1153 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) \
1154                                         {_SEQ_NEEDBUF(8);\
1155                                         _seqbuf[_seqbufptr] = EV_CHN_COMMON;\
1156                                         _seqbuf[_seqbufptr+1] = (dev);\
1157                                         _seqbuf[_seqbufptr+2] = (event);\
1158                                         _seqbuf[_seqbufptr+3] = (chn);\
1159                                         _seqbuf[_seqbufptr+4] = (p1);\
1160                                         _seqbuf[_seqbufptr+5] = (p2);\
1161                                         *(short *)&_seqbuf[_seqbufptr+6] = (w14);\
1162                                         _SEQ_ADVBUF(8);}
1163 /*
1164  * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
1165  * sending any MIDI bytes but it's absolutely not possible. Trying to do
1166  * so _will_ cause problems with MPU401 intelligent mode).
1167  *
1168  * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 
1169  * sent by calling SEQ_SYSEX() several times (there must be no other events
1170  * between them). First sysex fragment must have 0xf0 in the first byte
1171  * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
1172  * between these sysex start and end markers cannot be larger than 0x7f. Also
1173  * lengths of each fragments (except the last one) must be 6.
1174  *
1175  * Breaking the above rules may work with some MIDI ports but is likely to
1176  * cause fatal problems with some other devices (such as MPU401).
1177  */
1178 #define SEQ_SYSEX(dev, buf, len) \
1179                                         {int ii, ll=(len); \
1180                                          unsigned char *bufp=buf;\
1181                                          if (ll>6)ll=6;\
1182                                         _SEQ_NEEDBUF(8);\
1183                                         _seqbuf[_seqbufptr] = EV_SYSEX;\
1184                                         _seqbuf[_seqbufptr+1] = (dev);\
1185                                         for(ii=0;ii<ll;ii++)\
1186                                            _seqbuf[_seqbufptr+ii+2] = bufp[ii];\
1187                                         for(ii=ll;ii<6;ii++)\
1188                                            _seqbuf[_seqbufptr+ii+2] = 0xff;\
1189                                         _SEQ_ADVBUF(8);}
1190 
1191 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \
1192                 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
1193 
1194 #define SEQ_SET_PATCH SEQ_PGM_CHANGE
1195 #define SEQ_PGM_CHANGE(dev, chn, patch) \
1196                 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
1197 
1198 #define SEQ_CONTROL(dev, chn, controller, value) \
1199                 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
1200 
1201 #define SEQ_BENDER(dev, chn, value) \
1202                 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
1203 
1204 
1205 #define SEQ_V2_X_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\
1206                                         _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1207                                         _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
1208                                         _seqbuf[_seqbufptr+2] = (dev);\
1209                                         _seqbuf[_seqbufptr+3] = (voice);\
1210                                         _seqbuf[_seqbufptr+4] = (controller);\
1211                                         _seqbuf[_seqbufptr+5] = ((value)&0xff);\
1212                                         _seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\
1213                                         _seqbuf[_seqbufptr+7] = 0;\
1214                                         _SEQ_ADVBUF(8);}
1215 /*
1216  * The following 5 macros are incorrectly implemented and obsolete.
1217  * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
1218  */
1219 #define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
1220 #define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
1221 #define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
1222 #define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
1223 #define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
1224 
1225 /*
1226  * Timing and synchronization macros
1227  */
1228 
1229 #define _TIMER_EVENT(ev, parm)          {_SEQ_NEEDBUF(8);\
1230                                         _seqbuf[_seqbufptr+0] = EV_TIMING; \
1231                                         _seqbuf[_seqbufptr+1] = (ev); \
1232                                         _seqbuf[_seqbufptr+2] = 0;\
1233                                         _seqbuf[_seqbufptr+3] = 0;\
1234                                         *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
1235                                         _SEQ_ADVBUF(8);}
1236 
1237 #define SEQ_START_TIMER()               _TIMER_EVENT(TMR_START, 0)
1238 #define SEQ_STOP_TIMER()                _TIMER_EVENT(TMR_STOP, 0)
1239 #define SEQ_CONTINUE_TIMER()            _TIMER_EVENT(TMR_CONTINUE, 0)
1240 #define SEQ_WAIT_TIME(ticks)            _TIMER_EVENT(TMR_WAIT_ABS, ticks)
1241 #define SEQ_DELTA_TIME(ticks)           _TIMER_EVENT(TMR_WAIT_REL, ticks)
1242 #define SEQ_ECHO_BACK(key)              _TIMER_EVENT(TMR_ECHO, key)
1243 #define SEQ_SET_TEMPO(value)            _TIMER_EVENT(TMR_TEMPO, value)
1244 #define SEQ_SONGPOS(pos)                _TIMER_EVENT(TMR_SPP, pos)
1245 #define SEQ_TIME_SIGNATURE(sig)         _TIMER_EVENT(TMR_TIMESIG, sig)
1246 
1247 /*
1248  * Local control events
1249  */
1250 
1251 #define _LOCAL_EVENT(ev, parm)          {_SEQ_NEEDBUF(8);\
1252                                         _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
1253                                         _seqbuf[_seqbufptr+1] = (ev); \
1254                                         _seqbuf[_seqbufptr+2] = 0;\
1255                                         _seqbuf[_seqbufptr+3] = 0;\
1256                                         *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
1257                                         _SEQ_ADVBUF(8);}
1258 
1259 #define SEQ_PLAYAUDIO(devmask)          _LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
1260 /*
1261  * Events for the level 1 interface only 
1262  */
1263 
1264 #define SEQ_MIDIOUT(device, byte)       {_SEQ_NEEDBUF(4);\
1265                                         _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
1266                                         _seqbuf[_seqbufptr+1] = (byte);\
1267                                         _seqbuf[_seqbufptr+2] = (device);\
1268                                         _seqbuf[_seqbufptr+3] = 0;\
1269                                         _SEQ_ADVBUF(4);}
1270 
1271 /*
1272  * Patch loading.
1273  */
1274 #define SEQ_WRPATCH(patchx, len) \
1275                 {if (_seqbufptr) SEQ_DUMPBUF();\
1276                  if (write(seqfd, (char*)(patchx), len)==-1) \
1277                     perror("Write patch: /dev/sequencer");}
1278 #define SEQ_WRPATCH2(patchx, len) \
1279                 (SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len))
1280 
1281 #endif
1282 #endif /* _UAPISOUNDCARD_H */
1283 

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