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1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 | #ifndef SOUNDCARD_H #define SOUNDCARD_H /* * Copyright by Hannu Savolainen 1993-1997 * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. 2. * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * OSS interface version. With versions earlier than 3.6 this value is * an integer with value less than 361. In versions 3.6 and later * it's a six digit hexadecimal value. For example value * of 0x030600 represents OSS version 3.6.0. * Use ioctl(fd, OSS_GETVERSION, &int) to get the version number of * the currently active driver. */ #define SOUND_VERSION 0x030802 #define OPEN_SOUND_SYSTEM /* In Linux we need to be prepared for cross compiling */ #include <linux/ioctl.h> /* Endian macros. */ #ifdef __KERNEL__ # include <asm/byteorder.h> #else # include <endian.h> #endif /* * Supported card ID numbers (Should be somewhere else?) */ #define SNDCARD_ADLIB 1 #define SNDCARD_SB 2 #define SNDCARD_PAS 3 #define SNDCARD_GUS 4 #define SNDCARD_MPU401 5 #define SNDCARD_SB16 6 #define SNDCARD_SB16MIDI 7 #define SNDCARD_UART6850 8 #define SNDCARD_GUS16 9 #define SNDCARD_MSS 10 #define SNDCARD_PSS 11 #define SNDCARD_SSCAPE 12 #define SNDCARD_PSS_MPU 13 #define SNDCARD_PSS_MSS 14 #define SNDCARD_SSCAPE_MSS 15 #define SNDCARD_TRXPRO 16 #define SNDCARD_TRXPRO_SB 17 #define SNDCARD_TRXPRO_MPU 18 #define SNDCARD_MAD16 19 #define SNDCARD_MAD16_MPU 20 #define SNDCARD_CS4232 21 #define SNDCARD_CS4232_MPU 22 #define SNDCARD_MAUI 23 #define SNDCARD_PSEUDO_MSS 24 #define SNDCARD_GUSPNP 25 #define SNDCARD_UART401 26 /* Sound card numbers 27 to N are reserved. Don't add more numbers here. */ /*********************************** * IOCTL Commands for /dev/sequencer */ #ifndef _SIOWR #if defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__))) /* Use already defined ioctl defines if they exist (except with Sun or Sparc) */ #define SIOCPARM_MASK IOCPARM_MASK #define SIOC_VOID IOC_VOID #define SIOC_OUT IOC_OUT #define SIOC_IN IOC_IN #define SIOC_INOUT IOC_INOUT #define _SIOC_SIZE _IOC_SIZE #define _SIOC_DIR _IOC_DIR #define _SIOC_NONE _IOC_NONE #define _SIOC_READ _IOC_READ #define _SIOC_WRITE _IOC_WRITE #define _SIO _IO #define _SIOR _IOR #define _SIOW _IOW #define _SIOWR _IOWR #else /* Ioctl's have the command encoded in the lower word, * and the size of any in or out parameters in the upper * word. The high 2 bits of the upper word are used * to encode the in/out status of the parameter; for now * we restrict parameters to at most 8191 bytes. */ /* #define SIOCTYPE (0xff<<8) */ #define SIOCPARM_MASK 0x1fff /* parameters must be < 8192 bytes */ #define SIOC_VOID 0x00000000 /* no parameters */ #define SIOC_OUT 0x20000000 /* copy out parameters */ #define SIOC_IN 0x40000000 /* copy in parameters */ #define SIOC_INOUT (SIOC_IN|SIOC_OUT) /* the 0x20000000 is so we can distinguish new ioctl's from old */ #define _SIO(x,y) ((int)(SIOC_VOID|(x<<8)|y)) #define _SIOR(x,y,t) ((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) #define _SIOW(x,y,t) ((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) /* this should be _SIORW, but stdio got there first */ #define _SIOWR(x,y,t) ((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) #define _SIOC_SIZE(x) ((x>>16)&SIOCPARM_MASK) #define _SIOC_DIR(x) (x & 0xf0000000) #define _SIOC_NONE SIOC_VOID #define _SIOC_READ SIOC_OUT #define _SIOC_WRITE SIOC_IN # endif /* _IOWR */ #endif /* !_SIOWR */ #define SNDCTL_SEQ_RESET _SIO ('Q', 0) #define SNDCTL_SEQ_SYNC _SIO ('Q', 1) #define SNDCTL_SYNTH_INFO _SIOWR('Q', 2, struct synth_info) #define SNDCTL_SEQ_CTRLRATE _SIOWR('Q', 3, int) /* Set/get timer resolution (HZ) */ #define SNDCTL_SEQ_GETOUTCOUNT _SIOR ('Q', 4, int) #define SNDCTL_SEQ_GETINCOUNT _SIOR ('Q', 5, int) #define SNDCTL_SEQ_PERCMODE _SIOW ('Q', 6, int) #define SNDCTL_FM_LOAD_INSTR _SIOW ('Q', 7, struct sbi_instrument) /* Obsolete. Don't use!!!!!! */ #define SNDCTL_SEQ_TESTMIDI _SIOW ('Q', 8, int) #define SNDCTL_SEQ_RESETSAMPLES _SIOW ('Q', 9, int) #define SNDCTL_SEQ_NRSYNTHS _SIOR ('Q',10, int) #define SNDCTL_SEQ_NRMIDIS _SIOR ('Q',11, int) #define SNDCTL_MIDI_INFO _SIOWR('Q',12, struct midi_info) #define SNDCTL_SEQ_THRESHOLD _SIOW ('Q',13, int) #define SNDCTL_SYNTH_MEMAVL _SIOWR('Q',14, int) /* in=dev#, out=memsize */ #define SNDCTL_FM_4OP_ENABLE _SIOW ('Q',15, int) /* in=dev# */ #define SNDCTL_SEQ_PANIC _SIO ('Q',17) #define SNDCTL_SEQ_OUTOFBAND _SIOW ('Q',18, struct seq_event_rec) #define SNDCTL_SEQ_GETTIME _SIOR ('Q',19, int) #define SNDCTL_SYNTH_ID _SIOWR('Q',20, struct synth_info) #define SNDCTL_SYNTH_CONTROL _SIOWR('Q',21, struct synth_control) #define SNDCTL_SYNTH_REMOVESAMPLE _SIOWR('Q',22, struct remove_sample) typedef struct synth_control { int devno; /* Synthesizer # */ char data[4000]; /* Device spesific command/data record */ }synth_control; typedef struct remove_sample { int devno; /* Synthesizer # */ int bankno; /* MIDI bank # (0=General MIDI) */ int instrno; /* MIDI instrument number */ } remove_sample; typedef struct seq_event_rec { unsigned char arr[8]; } seq_event_rec; #define SNDCTL_TMR_TIMEBASE _SIOWR('T', 1, int) #define SNDCTL_TMR_START _SIO ('T', 2) #define SNDCTL_TMR_STOP _SIO ('T', 3) #define SNDCTL_TMR_CONTINUE _SIO ('T', 4) #define SNDCTL_TMR_TEMPO _SIOWR('T', 5, int) #define SNDCTL_TMR_SOURCE _SIOWR('T', 6, int) # define TMR_INTERNAL 0x00000001 # define TMR_EXTERNAL 0x00000002 # define TMR_MODE_MIDI 0x00000010 # define TMR_MODE_FSK 0x00000020 # define TMR_MODE_CLS 0x00000040 # define TMR_MODE_SMPTE 0x00000080 #define SNDCTL_TMR_METRONOME _SIOW ('T', 7, int) #define SNDCTL_TMR_SELECT _SIOW ('T', 8, int) /* * Some big endian/little endian handling macros */ #define _LINUX_PATCHKEY_H_INDIRECT #include <linux/patchkey.h> #undef _LINUX_PATCHKEY_H_INDIRECT #if defined(__KERNEL__) # if defined(__BIG_ENDIAN) # define AFMT_S16_NE AFMT_S16_BE # elif defined(__LITTLE_ENDIAN) # define AFMT_S16_NE AFMT_S16_LE # else # error "could not determine byte order" # endif #elif defined(__BYTE_ORDER) # if __BYTE_ORDER == __BIG_ENDIAN # define AFMT_S16_NE AFMT_S16_BE # elif __BYTE_ORDER == __LITTLE_ENDIAN # define AFMT_S16_NE AFMT_S16_LE # else # error "could not determine byte order" # endif #endif /* * Sample loading mechanism for internal synthesizers (/dev/sequencer) * The following patch_info structure has been designed to support * Gravis UltraSound. It tries to be universal format for uploading * sample based patches but is probably too limited. * * (PBD) As Hannu guessed, the GUS structure is too limited for * the WaveFront, but this is the right place for a constant definition. */ struct patch_info { unsigned short key; /* Use WAVE_PATCH here */ #define WAVE_PATCH _PATCHKEY(0x04) #define GUS_PATCH WAVE_PATCH #define WAVEFRONT_PATCH _PATCHKEY(0x06) short device_no; /* Synthesizer number */ short instr_no; /* Midi pgm# */ unsigned int mode; /* * The least significant byte has the same format than the GUS .PAT * files */ #define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ #define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ #define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ #define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ #define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ #define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ #define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ #define WAVE_FAST_RELEASE 0x80 /* bit 7 = Shut off immediately after note off */ /* (use the env_rate/env_offs fields). */ /* Linux specific bits */ #define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ #define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ #define WAVE_SCALE 0x00040000 /* The scaling info is valid */ #define WAVE_FRACTIONS 0x00080000 /* Fraction information is valid */ /* Reserved bits */ #define WAVE_ROM 0x40000000 /* For future use */ #define WAVE_MULAW 0x20000000 /* For future use */ /* Other bits must be zeroed */ int len; /* Size of the wave data in bytes */ int loop_start, loop_end; /* Byte offsets from the beginning */ /* * The base_freq and base_note fields are used when computing the * playback speed for a note. The base_note defines the tone frequency * which is heard if the sample is played using the base_freq as the * playback speed. * * The low_note and high_note fields define the minimum and maximum note * frequencies for which this sample is valid. It is possible to define * more than one samples for an instrument number at the same time. The * low_note and high_note fields are used to select the most suitable one. * * The fields base_note, high_note and low_note should contain * the note frequency multiplied by 1000. For example value for the * middle A is 440*1000. */ unsigned int base_freq; unsigned int base_note; unsigned int high_note; unsigned int low_note; int panning; /* -128=left, 127=right */ int detuning; /* New fields introduced in version 1.99.5 */ /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */ unsigned char env_offset[ 6 ]; /* 255 == 100% */ /* * The tremolo, vibrato and scale info are not supported yet. * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or * WAVE_SCALE */ unsigned char tremolo_sweep; unsigned char tremolo_rate; unsigned char tremolo_depth; unsigned char vibrato_sweep; unsigned char vibrato_rate; unsigned char vibrato_depth; int scale_frequency; unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */ int volume; int fractions; int reserved1; int spare[2]; char data[1]; /* The waveform data starts here */ }; struct sysex_info { short key; /* Use SYSEX_PATCH or MAUI_PATCH here */ #define SYSEX_PATCH _PATCHKEY(0x05) #define MAUI_PATCH _PATCHKEY(0x06) short device_no; /* Synthesizer number */ int len; /* Size of the sysex data in bytes */ unsigned char data[1]; /* Sysex data starts here */ }; /* * /dev/sequencer input events. * * The data written to the /dev/sequencer is a stream of events. Events * are records of 4 or 8 bytes. The first byte defines the size. * Any number of events can be written with a write call. There * is a set of macros for sending these events. Use these macros if you * want to maximize portability of your program. * * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. * (All input events are currently 4 bytes long. Be prepared to support * 8 byte events also. If you receive any event having first byte >= 128, * it's a 8 byte event. * * The events are documented at the end of this file. * * Normal events (4 bytes) * There is also a 8 byte version of most of the 4 byte events. The * 8 byte one is recommended. */ #define SEQ_NOTEOFF 0 #define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ #define SEQ_NOTEON 1 #define SEQ_FMNOTEON SEQ_NOTEON #define SEQ_WAIT TMR_WAIT_ABS #define SEQ_PGMCHANGE 3 #define SEQ_FMPGMCHANGE SEQ_PGMCHANGE #define SEQ_SYNCTIMER TMR_START #define SEQ_MIDIPUTC 5 #define SEQ_DRUMON 6 /*** OBSOLETE ***/ #define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ #define SEQ_ECHO TMR_ECHO /* For synching programs with output */ #define SEQ_AFTERTOUCH 9 #define SEQ_CONTROLLER 10 /******************************************* * Midi controller numbers ******************************************* * Controllers 0 to 31 (0x00 to 0x1f) and * 32 to 63 (0x20 to 0x3f) are continuous * controllers. * In the MIDI 1.0 these controllers are sent using * two messages. Controller numbers 0 to 31 are used * to send the MSB and the controller numbers 32 to 63 * are for the LSB. Note that just 7 bits are used in MIDI bytes. */ #define CTL_BANK_SELECT 0x00 #define CTL_MODWHEEL 0x01 #define CTL_BREATH 0x02 /* undefined 0x03 */ #define CTL_FOOT 0x04 #define CTL_PORTAMENTO_TIME 0x05 #define CTL_DATA_ENTRY 0x06 #define CTL_MAIN_VOLUME 0x07 #define CTL_BALANCE 0x08 /* undefined 0x09 */ #define CTL_PAN 0x0a #define CTL_EXPRESSION 0x0b /* undefined 0x0c */ /* undefined 0x0d */ /* undefined 0x0e */ /* undefined 0x0f */ #define CTL_GENERAL_PURPOSE1 0x10 #define CTL_GENERAL_PURPOSE2 0x11 #define CTL_GENERAL_PURPOSE3 0x12 #define CTL_GENERAL_PURPOSE4 0x13 /* undefined 0x14 - 0x1f */ /* undefined 0x20 */ /* The controller numbers 0x21 to 0x3f are reserved for the */ /* least significant bytes of the controllers 0x00 to 0x1f. */ /* These controllers are not recognised by the driver. */ /* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */ /* 0=OFF and 127=ON (intermediate values are possible) */ #define CTL_DAMPER_PEDAL 0x40 #define CTL_SUSTAIN 0x40 /* Alias */ #define CTL_HOLD 0x40 /* Alias */ #define CTL_PORTAMENTO 0x41 #define CTL_SOSTENUTO 0x42 #define CTL_SOFT_PEDAL 0x43 /* undefined 0x44 */ #define CTL_HOLD2 0x45 /* undefined 0x46 - 0x4f */ #define CTL_GENERAL_PURPOSE5 0x50 #define CTL_GENERAL_PURPOSE6 0x51 #define CTL_GENERAL_PURPOSE7 0x52 #define CTL_GENERAL_PURPOSE8 0x53 /* undefined 0x54 - 0x5a */ #define CTL_EXT_EFF_DEPTH 0x5b #define CTL_TREMOLO_DEPTH 0x5c #define CTL_CHORUS_DEPTH 0x5d #define CTL_DETUNE_DEPTH 0x5e #define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */ #define CTL_PHASER_DEPTH 0x5f #define CTL_DATA_INCREMENT 0x60 #define CTL_DATA_DECREMENT 0x61 #define CTL_NONREG_PARM_NUM_LSB 0x62 #define CTL_NONREG_PARM_NUM_MSB 0x63 #define CTL_REGIST_PARM_NUM_LSB 0x64 #define CTL_REGIST_PARM_NUM_MSB 0x65 /* undefined 0x66 - 0x78 */ /* reserved 0x79 - 0x7f */ /* Pseudo controllers (not midi compatible) */ #define CTRL_PITCH_BENDER 255 #define CTRL_PITCH_BENDER_RANGE 254 #define CTRL_EXPRESSION 253 /* Obsolete */ #define CTRL_MAIN_VOLUME 252 /* Obsolete */ #define SEQ_BALANCE 11 #define SEQ_VOLMODE 12 /* * Volume mode decides how volumes are used */ #define VOL_METHOD_ADAGIO 1 #define VOL_METHOD_LINEAR 2 /* * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as * input events. */ /* * Event codes 0xf0 to 0xfc are reserved for future extensions. */ #define SEQ_FULLSIZE 0xfd /* Long events */ /* * SEQ_FULLSIZE events are used for loading patches/samples to the * synthesizer devices. These events are passed directly to the driver * of the associated synthesizer device. There is no limit to the size * of the extended events. These events are not queued but executed * immediately when the write() is called (execution can take several * seconds of time). * * When a SEQ_FULLSIZE message is written to the device, it must * be written using exactly one write() call. Other events cannot * be mixed to the same write. * * For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the * /dev/sequencer. Don't write other data together with the instrument structure * Set the key field of the structure to FM_PATCH. The device field is used to * route the patch to the corresponding device. * * For wave table use struct patch_info. Initialize the key field * to WAVE_PATCH. */ #define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ #define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ /* * Record for FM patches */ typedef unsigned char sbi_instr_data[32]; struct sbi_instrument { unsigned short key; /* FM_PATCH or OPL3_PATCH */ #define FM_PATCH _PATCHKEY(0x01) #define OPL3_PATCH _PATCHKEY(0x03) short device; /* Synth# (0-4) */ int channel; /* Program# to be initialized */ sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */ }; struct synth_info { /* Read only */ char name[30]; int device; /* 0-N. INITIALIZE BEFORE CALLING */ int synth_type; #define SYNTH_TYPE_FM 0 #define SYNTH_TYPE_SAMPLE 1 #define SYNTH_TYPE_MIDI 2 /* Midi interface */ int synth_subtype; #define FM_TYPE_ADLIB 0x00 #define FM_TYPE_OPL3 0x01 #define MIDI_TYPE_MPU401 0x401 #define SAMPLE_TYPE_BASIC 0x10 #define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC #define SAMPLE_TYPE_WAVEFRONT 0x11 int perc_mode; /* No longer supported */ int nr_voices; int nr_drums; /* Obsolete field */ int instr_bank_size; unsigned int capabilities; #define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ #define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ #define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ int dummies[19]; /* Reserve space */ }; struct sound_timer_info { char name[32]; int caps; }; #define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ struct midi_info { char name[30]; int device; /* 0-N. INITIALIZE BEFORE CALLING */ unsigned int capabilities; /* To be defined later */ int dev_type; int dummies[18]; /* Reserve space */ }; /******************************************** * ioctl commands for the /dev/midi## */ typedef struct { unsigned char cmd; char nr_args, nr_returns; unsigned char data[30]; } mpu_command_rec; #define SNDCTL_MIDI_PRETIME _SIOWR('m', 0, int) #define SNDCTL_MIDI_MPUMODE _SIOWR('m', 1, int) #define SNDCTL_MIDI_MPUCMD _SIOWR('m', 2, mpu_command_rec) /******************************************** * IOCTL commands for /dev/dsp and /dev/audio */ #define SNDCTL_DSP_RESET _SIO ('P', 0) #define SNDCTL_DSP_SYNC _SIO ('P', 1) #define SNDCTL_DSP_SPEED _SIOWR('P', 2, int) #define SNDCTL_DSP_STEREO _SIOWR('P', 3, int) #define SNDCTL_DSP_GETBLKSIZE _SIOWR('P', 4, int) #define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT #define SNDCTL_DSP_CHANNELS _SIOWR('P', 6, int) #define SOUND_PCM_WRITE_CHANNELS SNDCTL_DSP_CHANNELS #define SOUND_PCM_WRITE_FILTER _SIOWR('P', 7, int) #define SNDCTL_DSP_POST _SIO ('P', 8) #define SNDCTL_DSP_SUBDIVIDE _SIOWR('P', 9, int) #define SNDCTL_DSP_SETFRAGMENT _SIOWR('P',10, int) /* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */ #define SNDCTL_DSP_GETFMTS _SIOR ('P',11, int) /* Returns a mask */ #define SNDCTL_DSP_SETFMT _SIOWR('P',5, int) /* Selects ONE fmt*/ # define AFMT_QUERY 0x00000000 /* Return current fmt */ # define AFMT_MU_LAW 0x00000001 # define AFMT_A_LAW 0x00000002 # define AFMT_IMA_ADPCM 0x00000004 # define AFMT_U8 0x00000008 # define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/ # define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */ # define AFMT_S8 0x00000040 # define AFMT_U16_LE 0x00000080 /* Little endian U16 */ # define AFMT_U16_BE 0x00000100 /* Big endian U16 */ # define AFMT_MPEG 0x00000200 /* MPEG (2) audio */ # define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */ /* * Buffer status queries. */ typedef struct audio_buf_info { int fragments; /* # of available fragments (partially usend ones not counted) */ int fragstotal; /* Total # of fragments allocated */ int fragsize; /* Size of a fragment in bytes */ int bytes; /* Available space in bytes (includes partially used fragments) */ /* Note! 'bytes' could be more than fragments*fragsize */ } audio_buf_info; #define SNDCTL_DSP_GETOSPACE _SIOR ('P',12, audio_buf_info) #define SNDCTL_DSP_GETISPACE _SIOR ('P',13, audio_buf_info) #define SNDCTL_DSP_NONBLOCK _SIO ('P',14) #define SNDCTL_DSP_GETCAPS _SIOR ('P',15, int) # define DSP_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */ # define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ # define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ # define DSP_CAP_BATCH 0x00000400 /* Device has some kind of */ /* internal buffers which may */ /* cause some delays and */ /* decrease precision of timing */ # define DSP_CAP_COPROC 0x00000800 /* Has a coprocessor */ /* Sometimes it's a DSP */ /* but usually not */ # define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ # define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ # define DSP_CAP_MULTI 0x00004000 /* support multiple open */ # define DSP_CAP_BIND 0x00008000 /* channel binding to front/rear/cneter/lfe */ #define SNDCTL_DSP_GETTRIGGER _SIOR ('P',16, int) #define SNDCTL_DSP_SETTRIGGER _SIOW ('P',16, int) # define PCM_ENABLE_INPUT 0x00000001 # define PCM_ENABLE_OUTPUT 0x00000002 typedef struct count_info { int bytes; /* Total # of bytes processed */ int blocks; /* # of fragment transitions since last time */ int ptr; /* Current DMA pointer value */ } count_info; #define SNDCTL_DSP_GETIPTR _SIOR ('P',17, count_info) #define SNDCTL_DSP_GETOPTR _SIOR ('P',18, count_info) typedef struct buffmem_desc { unsigned *buffer; int size; } buffmem_desc; #define SNDCTL_DSP_MAPINBUF _SIOR ('P', 19, buffmem_desc) #define SNDCTL_DSP_MAPOUTBUF _SIOR ('P', 20, buffmem_desc) #define SNDCTL_DSP_SETSYNCRO _SIO ('P', 21) #define SNDCTL_DSP_SETDUPLEX _SIO ('P', 22) #define SNDCTL_DSP_GETODELAY _SIOR ('P', 23, int) #define SNDCTL_DSP_GETCHANNELMASK _SIOWR('P', 64, int) #define SNDCTL_DSP_BIND_CHANNEL _SIOWR('P', 65, int) # define DSP_BIND_QUERY 0x00000000 # define DSP_BIND_FRONT 0x00000001 # define DSP_BIND_SURR 0x00000002 # define DSP_BIND_CENTER_LFE 0x00000004 # define DSP_BIND_HANDSET 0x00000008 # define DSP_BIND_MIC 0x00000010 # define DSP_BIND_MODEM1 0x00000020 # define DSP_BIND_MODEM2 0x00000040 # define DSP_BIND_I2S 0x00000080 # define DSP_BIND_SPDIF 0x00000100 #define SNDCTL_DSP_SETSPDIF _SIOW ('P', 66, int) #define SNDCTL_DSP_GETSPDIF _SIOR ('P', 67, int) # define SPDIF_PRO 0x0001 # define SPDIF_N_AUD 0x0002 # define SPDIF_COPY 0x0004 # define SPDIF_PRE 0x0008 # define SPDIF_CC 0x07f0 # define SPDIF_L 0x0800 # define SPDIF_DRS 0x4000 # define SPDIF_V 0x8000 /* * Application's profile defines the way how playback underrun situations should be handled. * * APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the * playback buffer whenever an underrun occurs. This consumes some time * prevents looping the existing buffer. * APF_CPUINTENS is intended to be set by CPU intensive applications which * are likely to run out of time occasionally. In this mode the buffer cleanup is * disabled which saves CPU time but also let's the previous buffer content to * be played during the "pause" after the underrun. */ #define SNDCTL_DSP_PROFILE _SIOW ('P', 23, int) #define APF_NORMAL 0 /* Normal applications */ #define APF_NETWORK 1 /* Underruns probably caused by an "external" delay */ #define APF_CPUINTENS 2 /* Underruns probably caused by "overheating" the CPU */ #define SOUND_PCM_READ_RATE _SIOR ('P', 2, int) #define SOUND_PCM_READ_CHANNELS _SIOR ('P', 6, int) #define SOUND_PCM_READ_BITS _SIOR ('P', 5, int) #define SOUND_PCM_READ_FILTER _SIOR ('P', 7, int) /* Some alias names */ #define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT #define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED #define SOUND_PCM_POST SNDCTL_DSP_POST #define SOUND_PCM_RESET SNDCTL_DSP_RESET #define SOUND_PCM_SYNC SNDCTL_DSP_SYNC #define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE #define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT #define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS #define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT #define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE #define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE #define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK #define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS #define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER #define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER #define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO #define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR #define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR #define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF #define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF /* * ioctl calls to be used in communication with coprocessors and * DSP chips. */ typedef struct copr_buffer { int command; /* Set to 0 if not used */ int flags; #define CPF_NONE 0x0000 #define CPF_FIRST 0x0001 /* First block */ #define CPF_LAST 0x0002 /* Last block */ int len; int offs; /* If required by the device (0 if not used) */ unsigned char data[4000]; /* NOTE! 4000 is not 4k */ } copr_buffer; typedef struct copr_debug_buf { int command; /* Used internally. Set to 0 */ int parm1; int parm2; int flags; int len; /* Length of data in bytes */ } copr_debug_buf; typedef struct copr_msg { int len; unsigned char data[4000]; } copr_msg; #define SNDCTL_COPR_RESET _SIO ('C', 0) #define SNDCTL_COPR_LOAD _SIOWR('C', 1, copr_buffer) #define SNDCTL_COPR_RDATA _SIOWR('C', 2, copr_debug_buf) #define SNDCTL_COPR_RCODE _SIOWR('C', 3, copr_debug_buf) #define SNDCTL_COPR_WDATA _SIOW ('C', 4, copr_debug_buf) #define SNDCTL_COPR_WCODE _SIOW ('C', 5, copr_debug_buf) #define SNDCTL_COPR_RUN _SIOWR('C', 6, copr_debug_buf) #define SNDCTL_COPR_HALT _SIOWR('C', 7, copr_debug_buf) #define SNDCTL_COPR_SENDMSG _SIOWR('C', 8, copr_msg) #define SNDCTL_COPR_RCVMSG _SIOR ('C', 9, copr_msg) /********************************************* * IOCTL commands for /dev/mixer */ /* * Mixer devices * * There can be up to 20 different analog mixer channels. The * SOUND_MIXER_NRDEVICES gives the currently supported maximum. * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells * the devices supported by the particular mixer. */ #define SOUND_MIXER_NRDEVICES 25 #define SOUND_MIXER_VOLUME 0 #define SOUND_MIXER_BASS 1 #define SOUND_MIXER_TREBLE 2 #define SOUND_MIXER_SYNTH 3 #define SOUND_MIXER_PCM 4 #define SOUND_MIXER_SPEAKER 5 #define SOUND_MIXER_LINE 6 #define SOUND_MIXER_MIC 7 #define SOUND_MIXER_CD 8 #define SOUND_MIXER_IMIX 9 /* Recording monitor */ #define SOUND_MIXER_ALTPCM 10 #define SOUND_MIXER_RECLEV 11 /* Recording level */ #define SOUND_MIXER_IGAIN 12 /* Input gain */ #define SOUND_MIXER_OGAIN 13 /* Output gain */ /* * The AD1848 codec and compatibles have three line level inputs * (line, aux1 and aux2). Since each card manufacturer have assigned * different meanings to these inputs, it's inpractical to assign * specific meanings (line, cd, synth etc.) to them. */ #define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ #define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ #define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ #define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ #define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ #define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ #define SOUND_MIXER_PHONEIN 20 /* Phone input */ #define SOUND_MIXER_PHONEOUT 21 /* Phone output */ #define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ #define SOUND_MIXER_RADIO 23 /* Radio in */ #define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ /* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */ /* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */ #define SOUND_ONOFF_MIN 28 #define SOUND_ONOFF_MAX 30 /* Note! Number 31 cannot be used since the sign bit is reserved */ #define SOUND_MIXER_NONE 31 /* * The following unsupported macros are no longer functional. * Use SOUND_MIXER_PRIVATE# macros in future. */ #define SOUND_MIXER_ENHANCE SOUND_MIXER_NONE #define SOUND_MIXER_MUTE SOUND_MIXER_NONE #define SOUND_MIXER_LOUD SOUND_MIXER_NONE #define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} #define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ "line1", "line2", "line3", "dig1", "dig2", "dig3", \ "phin", "phout", "video", "radio", "monitor"} /* Device bitmask identifiers */ #define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */ #define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */ #define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */ #define SOUND_MIXER_CAPS 0xfc # define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */ #define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ #define SOUND_MIXER_OUTSRC 0xfa /* Arg contains a bit for each input source to output */ #define SOUND_MIXER_OUTMASK 0xf9 /* Arg contains a bit for each supported input source to output */ /* Device mask bits */ #define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) #define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) #define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) #define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) #define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) #define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) #define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) #define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) #define SOUND_MASK_CD (1 << SOUND_MIXER_CD) #define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) #define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) #define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) #define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) #define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) #define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) #define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) #define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) #define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) #define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) #define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) #define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) #define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) #define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) #define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) #define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) /* Obsolete macros */ #define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) #define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) #define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) #define MIXER_READ(dev) _SIOR('M', dev, int) #define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) #define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) #define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) #define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) #define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) #define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) #define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) #define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) #define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) #define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) #define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) #define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) #define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) #define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) #define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) #define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) #define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) /* Obsolete macros */ #define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) #define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) #define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) #define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) #define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) #define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) #define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) #define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) #define MIXER_WRITE(dev) _SIOWR('M', dev, int) #define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) #define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) #define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) #define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) #define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) #define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) #define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) #define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) #define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) #define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) #define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) #define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) #define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) #define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) #define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) #define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) #define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) /* Obsolete macros */ #define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) #define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) #define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) #define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) typedef struct mixer_info { char id[16]; char name[32]; int modify_counter; int fillers[10]; } mixer_info; typedef struct _old_mixer_info /* Obsolete */ { char id[16]; char name[32]; } _old_mixer_info; #define SOUND_MIXER_INFO _SIOR ('M', 101, mixer_info) #define SOUND_OLD_MIXER_INFO _SIOR ('M', 101, _old_mixer_info) /* * A mechanism for accessing "proprietary" mixer features. This method * permits passing 128 bytes of arbitrary data between a mixer application * and the mixer driver. Interpretation of the record is defined by * the particular mixer driver. */ typedef unsigned char mixer_record[128]; #define SOUND_MIXER_ACCESS _SIOWR('M', 102, mixer_record) /* * Two ioctls for special souncard function */ #define SOUND_MIXER_AGC _SIOWR('M', 103, int) #define SOUND_MIXER_3DSE _SIOWR('M', 104, int) /* * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers. * These features can be used when accessing device specific features. */ #define SOUND_MIXER_PRIVATE1 _SIOWR('M', 111, int) #define SOUND_MIXER_PRIVATE2 _SIOWR('M', 112, int) #define SOUND_MIXER_PRIVATE3 _SIOWR('M', 113, int) #define SOUND_MIXER_PRIVATE4 _SIOWR('M', 114, int) #define SOUND_MIXER_PRIVATE5 _SIOWR('M', 115, int) /* * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used * for querying current mixer settings from the driver and for loading * default volume settings _prior_ activating the mixer (loading * doesn't affect current state of the mixer hardware). These calls * are for internal use only. */ typedef struct mixer_vol_table { int num; /* Index to volume table */ char name[32]; int levels[32]; } mixer_vol_table; #define SOUND_MIXER_GETLEVELS _SIOWR('M', 116, mixer_vol_table) #define SOUND_MIXER_SETLEVELS _SIOWR('M', 117, mixer_vol_table) /* * An ioctl for identifying the driver version. It will return value * of the SOUND_VERSION macro used when compiling the driver. * This call was introduced in OSS version 3.6 and it will not work * with earlier versions (returns EINVAL). */ #define OSS_GETVERSION _SIOR ('M', 118, int) /* * Level 2 event types for /dev/sequencer */ /* * The 4 most significant bits of byte 0 specify the class of * the event: * * 0x8X = system level events, * 0x9X = device/port specific events, event[1] = device/port, * The last 4 bits give the subtype: * 0x02 = Channel event (event[3] = chn). * 0x01 = note event (event[4] = note). * (0x01 is not used alone but always with bit 0x02). * event[2] = MIDI message code (0x80=note off etc.) * */ #define EV_SEQ_LOCAL 0x80 #define EV_TIMING 0x81 #define EV_CHN_COMMON 0x92 #define EV_CHN_VOICE 0x93 #define EV_SYSEX 0x94 /* * Event types 200 to 220 are reserved for application use. * These numbers will not be used by the driver. */ /* * Events for event type EV_CHN_VOICE */ #define MIDI_NOTEOFF 0x80 #define MIDI_NOTEON 0x90 #define MIDI_KEY_PRESSURE 0xA0 /* * Events for event type EV_CHN_COMMON */ #define MIDI_CTL_CHANGE 0xB0 #define MIDI_PGM_CHANGE 0xC0 #define MIDI_CHN_PRESSURE 0xD0 #define MIDI_PITCH_BEND 0xE0 #define MIDI_SYSTEM_PREFIX 0xF0 /* * Timer event types */ #define TMR_WAIT_REL 1 /* Time relative to the prev time */ #define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ #define TMR_STOP 3 #define TMR_START 4 #define TMR_CONTINUE 5 #define TMR_TEMPO 6 #define TMR_ECHO 8 #define TMR_CLOCK 9 /* MIDI clock */ #define TMR_SPP 10 /* Song position pointer */ #define TMR_TIMESIG 11 /* Time signature */ /* * Local event types */ #define LOCL_STARTAUDIO 1 #if !defined(__KERNEL__) || defined(USE_SEQ_MACROS) /* * Some convenience macros to simplify programming of the * /dev/sequencer interface * * This is a legacy interface for applications written against * the OSSlib-3.8 style interface. It is no longer possible * to actually link against OSSlib with this header, but we * still provide these macros for programs using them. * * If you want to use OSSlib, it is recommended that you get * the GPL version of OSS-4.x and build against that version * of the header. * * We redefine the extern keyword so that make headers_check * does not complain about SEQ_USE_EXTBUF. */ #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() void seqbuf_dump(void); /* This function must be provided by programs */ #define SEQ_PM_DEFINES int __foo_bar___ #define SEQ_LOAD_GMINSTR(dev, instr) #define SEQ_LOAD_GMDRUM(dev, drum) #define _SEQ_EXTERN extern #define SEQ_USE_EXTBUF() \ _SEQ_EXTERN unsigned char _seqbuf[]; \ _SEQ_EXTERN int _seqbuflen; _SEQ_EXTERN int _seqbufptr #ifndef USE_SIMPLE_MACROS /* Sample seqbuf_dump() implementation: * * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes * * int seqfd; -- The file descriptor for /dev/sequencer. * * void * seqbuf_dump () * { * if (_seqbufptr) * if (write (seqfd, _seqbuf, _seqbufptr) == -1) * { * perror ("write /dev/sequencer"); * exit (-1); * } * _seqbufptr = 0; * } */ #define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 #define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump() #define _SEQ_ADVBUF(len) _seqbufptr += len #define SEQ_DUMPBUF seqbuf_dump #else /* * This variation of the sequencer macros is used just to format one event * using fixed buffer. * * The program using the macro library must define the following macros before * using this library. * * #define _seqbuf name of the buffer (unsigned char[]) * #define _SEQ_ADVBUF(len) If the applic needs to know the exact * size of the event, this macro can be used. * Otherwise this must be defined as empty. * #define _seqbufptr Define the name of index variable or 0 if * not required. */ #define _SEQ_NEEDBUF(len) /* empty */ #endif #define SEQ_VOLUME_MODE(dev, mode) {_SEQ_NEEDBUF(8);\ _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ _seqbuf[_seqbufptr+2] = (dev);\ _seqbuf[_seqbufptr+3] = (mode);\ _seqbuf[_seqbufptr+4] = 0;\ _seqbuf[_seqbufptr+5] = 0;\ _seqbuf[_seqbufptr+6] = 0;\ _seqbuf[_seqbufptr+7] = 0;\ _SEQ_ADVBUF(8);} /* * Midi voice messages */ #define _CHN_VOICE(dev, event, chn, note, parm) \ {_SEQ_NEEDBUF(8);\ _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ _seqbuf[_seqbufptr+1] = (dev);\ _seqbuf[_seqbufptr+2] = (event);\ _seqbuf[_seqbufptr+3] = (chn);\ _seqbuf[_seqbufptr+4] = (note);\ _seqbuf[_seqbufptr+5] = (parm);\ _seqbuf[_seqbufptr+6] = (0);\ _seqbuf[_seqbufptr+7] = 0;\ _SEQ_ADVBUF(8);} #define SEQ_START_NOTE(dev, chn, note, vol) \ _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) #define SEQ_STOP_NOTE(dev, chn, note, vol) \ _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) /* * Midi channel messages */ #define _CHN_COMMON(dev, event, chn, p1, p2, w14) \ {_SEQ_NEEDBUF(8);\ _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ _seqbuf[_seqbufptr+1] = (dev);\ _seqbuf[_seqbufptr+2] = (event);\ _seqbuf[_seqbufptr+3] = (chn);\ _seqbuf[_seqbufptr+4] = (p1);\ _seqbuf[_seqbufptr+5] = (p2);\ *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ _SEQ_ADVBUF(8);} /* * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits * sending any MIDI bytes but it's absolutely not possible. Trying to do * so _will_ cause problems with MPU401 intelligent mode). * * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be * sent by calling SEQ_SYSEX() several times (there must be no other events * between them). First sysex fragment must have 0xf0 in the first byte * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte * between these sysex start and end markers cannot be larger than 0x7f. Also * lengths of each fragments (except the last one) must be 6. * * Breaking the above rules may work with some MIDI ports but is likely to * cause fatal problems with some other devices (such as MPU401). */ #define SEQ_SYSEX(dev, buf, len) \ {int ii, ll=(len); \ unsigned char *bufp=buf;\ if (ll>6)ll=6;\ _SEQ_NEEDBUF(8);\ _seqbuf[_seqbufptr] = EV_SYSEX;\ _seqbuf[_seqbufptr+1] = (dev);\ for(ii=0;ii<ll;ii++)\ _seqbuf[_seqbufptr+ii+2] = bufp[ii];\ for(ii=ll;ii<6;ii++)\ _seqbuf[_seqbufptr+ii+2] = 0xff;\ _SEQ_ADVBUF(8);} #define SEQ_CHN_PRESSURE(dev, chn, pressure) \ _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) #define SEQ_SET_PATCH SEQ_PGM_CHANGE #define SEQ_PGM_CHANGE(dev, chn, patch) \ _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) #define SEQ_CONTROL(dev, chn, controller, value) \ _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) #define SEQ_BENDER(dev, chn, value) \ _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) #define SEQ_V2_X_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\ _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ _seqbuf[_seqbufptr+2] = (dev);\ _seqbuf[_seqbufptr+3] = (voice);\ _seqbuf[_seqbufptr+4] = (controller);\ _seqbuf[_seqbufptr+5] = ((value)&0xff);\ _seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\ _seqbuf[_seqbufptr+7] = 0;\ _SEQ_ADVBUF(8);} /* * The following 5 macros are incorrectly implemented and obsolete. * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. */ #define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) #define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) #define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) #define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) #define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) /* * Timing and syncronization macros */ #define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\ _seqbuf[_seqbufptr+0] = EV_TIMING; \ _seqbuf[_seqbufptr+1] = (ev); \ _seqbuf[_seqbufptr+2] = 0;\ _seqbuf[_seqbufptr+3] = 0;\ *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ _SEQ_ADVBUF(8);} #define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) #define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) #define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) #define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) #define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) #define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) #define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) #define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) #define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) /* * Local control events */ #define _LOCAL_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\ _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ _seqbuf[_seqbufptr+1] = (ev); \ _seqbuf[_seqbufptr+2] = 0;\ _seqbuf[_seqbufptr+3] = 0;\ *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ _SEQ_ADVBUF(8);} #define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) /* * Events for the level 1 interface only */ #define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\ _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ _seqbuf[_seqbufptr+1] = (byte);\ _seqbuf[_seqbufptr+2] = (device);\ _seqbuf[_seqbufptr+3] = 0;\ _SEQ_ADVBUF(4);} /* * Patch loading. */ #define SEQ_WRPATCH(patchx, len) \ {if (_seqbufptr) SEQ_DUMPBUF();\ if (write(seqfd, (char*)(patchx), len)==-1) \ perror("Write patch: /dev/sequencer");} #define SEQ_WRPATCH2(patchx, len) \ (SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len)) #endif #endif |