#ifndef SOUNDCARD_H #define SOUNDCARD_H /* * Copyright by Hannu Savolainen 1993 * * 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. * * */ /* * If you make modifications to this file, please contact me before * distributing the modified version. There is already enough * diversity in the world. * * Regards, * Hannu Savolainen * hannu@voxware.pp.fi * ********************************************************************** * PS. The Hacker's Guide to VoxWare available from * nic.funet.fi:pub/OS/Linux/ALPHA/sound. The file is * snd-sdk-doc-0.1.ps.gz (gzipped postscript). It contains * some useful information about programming with VoxWare. * (NOTE! The pub/OS/Linux/ALPHA/ directories are hidden. You have * to cd inside them before the files are accessible.) ********************************************************************** */ #define SOUND_VERSION 301 /* * 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_AWE32 25 /* * IOCTL Commands for /dev/sequencer */ #ifndef _IOWR #include #endif /* !_IOWR */ #include #define SNDCTL_SEQ_RESET _IO ('Q', 0) #define SNDCTL_SEQ_SYNC _IO ('Q', 1) #define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info) #define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer resolution (hz) */ #define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int) #define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int) #define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int) #define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */ #define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int) #define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int) #define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int) #define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int) #define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info) #define SNDCTL_SEQ_THRESHOLD _IOW ('Q',13, int) #define SNDCTL_SEQ_TRESHOLD SNDCTL_SEQ_THRESHOLD /* there was once a typo */ #define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */ #define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */ #define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info) #define SNDCTL_SEQ_PANIC _IO ('Q',17) #define SNDCTL_SEQ_OUTOFBAND _IOW ('Q',18, struct seq_event_rec) struct seq_event_rec { u_char arr[8]; }; #define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int) #define SNDCTL_TMR_START _IO ('T', 2) #define SNDCTL_TMR_STOP _IO ('T', 3) #define SNDCTL_TMR_CONTINUE _IO ('T', 4) #define SNDCTL_TMR_TEMPO _IOWR('T', 5, int) #define SNDCTL_TMR_SOURCE _IOWR('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 _IOW ('T', 7, int) #define SNDCTL_TMR_SELECT _IOW ('T', 8, int) /* * Endian aware patch key generation algorithm. */ #if defined(_AIX) || defined(AIX) # define _PATCHKEY(id) (0xfd00|id) #else # define _PATCHKEY(id) ((id<<8)|0xfd) #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 propably too limited. */ struct patch_info { /* u_short key; Use GUS_PATCH here */ short key; /* Use GUS_PATCH here */ #define GUS_PATCH _PATCHKEY(0x04) #define OBSOLETE_GUS_PATCH _PATCHKEY(0x02) short device_no; /* Synthesizer number */ short instr_no; /* Midi pgm# */ u_long 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 */ /* (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 */ /* Other bits must be zeroed */ long len; /* Size of the wave data in bytes */ long 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 a 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. */ u_int base_freq; u_long base_note; u_long high_note; u_long 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 */ u_char env_rate[ 6 ]; /* GUS HW ramping rate */ u_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 */ u_char tremolo_sweep; u_char tremolo_rate; u_char tremolo_depth; u_char vibrato_sweep; u_char vibrato_rate; u_char vibrato_depth; int scale_frequency; u_int scale_factor; /* from 0 to 2048 or 0 to 2 */ int volume; int spare[4]; char data[1]; /* The waveform data starts here */ }; struct sysex_info { short key; /* Use GUS_PATCH here */ #define SYSEX_PATCH _PATCHKEY(0x05) #define MAUI_PATCH _PATCHKEY(0x06) short device_no; /* Synthesizer number */ long len; /* Size of the sysex data in bytes */ u_char data[1]; /* Sysex data starts here */ }; /* * Patch management interface (/dev/sequencer, /dev/patmgr#) * Don't use these calls if you want to maintain compatibility with * the future versions of the driver. */ #define PS_NO_PATCHES 0 /* No patch support on device */ #define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */ #define PS_MGR_OK 2 /* Patch manager supported */ #define PS_MANAGED 3 /* Patch manager running */ #define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info) /* * The patmgr_info is a fixed size structure which is used for two * different purposes. The intended use is for communication between * the application using /dev/sequencer and the patch manager daemon * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)). * * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows * a patch manager daemon to read and write device parameters. This * ioctl available through /dev/sequencer also. Avoid using it since it's * extremely hardware dependent. In addition access trough /dev/sequencer * may confuse the patch manager daemon. */ struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */ u_long key; /* Don't worry. Reserved for communication between the patch manager and the driver. */ #define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */ #define PM_K_COMMAND 2 /* Request from a application */ #define PM_K_RESPONSE 3 /* From patmgr to application */ #define PM_ERROR 4 /* Error returned by the patmgr */ int device; int command; /* * Commands 0x000 to 0xfff reserved for patch manager programs */ #define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */ #define PMTYPE_FM2 1 /* 2 OP fm */ #define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */ #define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */ #define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */ #define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */ #define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */ #define PM_GET_PATCH 5 /* Return patch header of patch parm1 */ #define PM_SET_PATCH 6 /* Set patch header of patch parm1 */ #define PM_READ_PATCH 7 /* Read patch (wave) data */ #define PM_WRITE_PATCH 8 /* Write patch (wave) data */ /* * Commands 0x1000 to 0xffff are for communication between the patch manager * and the client */ #define _PM_LOAD_PATCH 0x100 /* * Commands above 0xffff reserved for device specific use */ long parm1; long parm2; long parm3; union { u_char data8[4000]; u_short data16[2000]; u_long data32[1000]; struct patch_info patch; } data; }; /* * When a patch manager daemon is present, it will be informed by the * driver when something important happens. For example when the * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is * returned. The command field contains the event type: */ #define PM_E_OPENED 1 /* /dev/sequencer opened */ #define PM_E_CLOSED 2 /* /dev/sequencer closed */ #define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */ #define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */ /* * /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 Gravis UltraSound use struct patch_info. Initialize the key field * to GUS_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 u_char sbi_instr_data[32]; struct sbi_instrument { u_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; /* Reg. 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 SAMPLE_TYPE_GUS 0x10 int perc_mode; /* No longer supported */ int nr_voices; int nr_drums; /* Obsolete field */ int instr_bank_size; u_long 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 */ u_long capabilities; /* To be defined later */ int dev_type; int dummies[18]; /* Reserve space */ }; /******************************************** * ioctl commands for the /dev/midi## */ typedef struct { u_char cmd; char nr_args, nr_returns; u_char data[30]; } mpu_command_rec; #define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int) #define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int) #define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec) /******************************************** * IOCTL commands for /dev/dsp and /dev/audio */ #define SNDCTL_DSP_RESET _IO ('P', 0) #define SNDCTL_DSP_SYNC _IO ('P', 1) #define SNDCTL_DSP_SPEED _IOWR('P', 2, int) #define SNDCTL_DSP_STEREO _IOWR('P', 3, int) #define SNDCTL_DSP_GETBLKSIZE _IOR('P', 4, int) #define SNDCTL_DSP_SETBLKSIZE _IOW('P', 4, int) #define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT #define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int) #define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int) #define SNDCTL_DSP_POST _IO ('P', 8) #define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int) #define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int) /* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */ #define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */ #define SNDCTL_DSP_SETFMT _IOWR('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 */ /* * Buffer status queries. */ typedef struct audio_buf_info { int fragments; /* # of available fragments (partially used * 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 _IOR ('P',12, audio_buf_info) #define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info) #define SNDCTL_DSP_NONBLOCK _IO ('P',14) #define SNDCTL_DSP_GETCAPS _IOR ('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 SNDCTL_DSP_GETCAPS _IOR ('P',15, int) #define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int) #define SNDCTL_DSP_SETTRIGGER _IOW ('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 _IOR ('P',17, count_info) #define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info) typedef struct buffmem_desc { caddr_t buffer; int size; } buffmem_desc; #define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc) #define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc) #define SNDCTL_DSP_SETSYNCRO _IO ('P', 21) #define SOUND_PCM_READ_RATE _IOR ('P', 2, int) #define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int) #define SOUND_PCM_READ_BITS _IOR ('P', 5, int) #define SOUND_PCM_READ_FILTER _IOR ('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) */ u_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; u_char data[4000]; } copr_msg; #define SNDCTL_COPR_RESET _IO ('C', 0) #define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer) #define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf) #define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf) #define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf) #define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf) #define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf) #define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf) #define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg) #define SNDCTL_COPR_RCVMSG _IOR ('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 17 #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) */ /* 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 #define SOUND_MIXER_MUTE 28 /* 0 or 1 */ #define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */ #define SOUND_MIXER_LOUD 30 /* 0 or 1 */ /* Note! Number 31 cannot be used since the sign bit is reserved */ #define SOUND_DEVICE_LABELS { \ "Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ "Line1", "Line2", "Line3"} #define SOUND_DEVICE_NAMES { \ "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ "line1", "line2", "line3"} /* Device bitmask identifiers */ #define SOUND_MIXER_RECSRC 0xff /* 1 bit per recording source */ #define SOUND_MIXER_DEVMASK 0xfe /* 1 bit per supported device */ #define SOUND_MIXER_RECMASK 0xfd /* 1 bit per supp. recording source */ #define SOUND_MIXER_CAPS 0xfc #define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only 1 rec. src at a time */ #define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ /* 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_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) _IOR('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) #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) _IOWR('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) #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) /* * 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(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS) /* * Some convenience macros to simplify programming of the * /dev/sequencer interface * * These macros define the API which should be used when possible. */ #ifndef USE_SIMPLE_MACROS void seqbuf_dump(void); /* This function must be provided by programs */ /* 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) \ u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 #define SEQ_USE_EXTBUF() \ extern u_char _seqbuf[]; \ extern int _seqbuflen;extern int _seqbufptr #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() #define SEQ_PM_DEFINES struct patmgr_info _pm_info #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 (u_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 PM_LOAD_PATCH(dev, bank, pgm) \ (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \ _pm_info.parm1 = bank, _pm_info.parm2 = 1, \ ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) #define PM_LOAD_PATCHES(dev, bank, pgm) \ (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ _pm_info.device=dev, bcopy( pgm, _pm_info.data.data8, 128), \ _pm_info.parm1 = bank, _pm_info.parm2 = 128, \ ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) #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 i, l=(len); if (l>6)l=6;\ _SEQ_NEEDBUF(8);\ _seqbuf[_seqbufptr] = EV_SYSEX;\ for(i=0;i