Dr Andrew Scott
G7VAV
Senior Lecturer
School of Computing
and Communications
D35 InfoLab21
Lancaster University
Lancaster, LA1 4WA
United Kingdom
School of Computing
and Communications
D35 InfoLab21
Lancaster University
Lancaster, LA1 4WA
United Kingdom
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soundcard.h
0001: #ifndef SOUNDCARD_H 0002: #define SOUNDCARD_H 0003: /* 0004: * Copyright by Hannu Savolainen 1993-1997 0005: * 0006: * Redistribution and use in source and binary forms, with or without 0007: * modification, are permitted provided that the following conditions are 0008: * met: 1. Redistributions of source code must retain the above copyright 0009: * notice, this list of conditions and the following disclaimer. 2. 0010: * Redistributions in binary form must reproduce the above copyright notice, 0011: * this list of conditions and the following disclaimer in the documentation 0012: * and/or other materials provided with the distribution. 0013: * 0014: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY 0015: * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 0016: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 0017: * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 0018: * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 0019: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 0020: * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 0021: * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 0022: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 0023: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 0024: * SUCH DAMAGE. 0025: */ 0026: 0027: 0028: /* 0029: * OSS interface version. With versions earlier than 3.6 this value is 0030: * an integer with value less than 361. In versions 3.6 and later 0031: * it's a six digit hexadecimal value. For example value 0032: * of 0x030600 represents OSS version 3.6.0. 0033: * Use ioctl(fd, OSS_GETVERSION, &int) to get the version number of 0034: * the currently active driver. 0035: */ 0036: #define SOUND_VERSION 0x030802 0037: #define OPEN_SOUND_SYSTEM 0038: 0039: /* In Linux we need to be prepared for cross compiling */ 0040: #include <linux/ioctl.h> 0041: 0042: /* Endian macros. */ 0043: # include <endian.h> 0044: 0045: /* 0046: * Supported card ID numbers (Should be somewhere else?) 0047: */ 0048: 0049: #define SNDCARD_ADLIB 1 0050: #define SNDCARD_SB 2 0051: #define SNDCARD_PAS 3 0052: #define SNDCARD_GUS 4 0053: #define SNDCARD_MPU401 5 0054: #define SNDCARD_SB16 6 0055: #define SNDCARD_SB16MIDI 7 0056: #define SNDCARD_UART6850 8 0057: #define SNDCARD_GUS16 9 0058: #define SNDCARD_MSS 10 0059: #define SNDCARD_PSS 11 0060: #define SNDCARD_SSCAPE 12 0061: #define SNDCARD_PSS_MPU 13 0062: #define SNDCARD_PSS_MSS 14 0063: #define SNDCARD_SSCAPE_MSS 15 0064: #define SNDCARD_TRXPRO 16 0065: #define SNDCARD_TRXPRO_SB 17 0066: #define SNDCARD_TRXPRO_MPU 18 0067: #define SNDCARD_MAD16 19 0068: #define SNDCARD_MAD16_MPU 20 0069: #define SNDCARD_CS4232 21 0070: #define SNDCARD_CS4232_MPU 22 0071: #define SNDCARD_MAUI 23 0072: #define SNDCARD_PSEUDO_MSS 24 0073: #define SNDCARD_GUSPNP 25 0074: #define SNDCARD_UART401 26 0075: /* Sound card numbers 27 to N are reserved. Don't add more numbers here. */ 0076: 0077: /*********************************** 0078: * IOCTL Commands for /dev/sequencer 0079: */ 0080: 0081: #ifndef _SIOWR 0082: #if defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__))) 0083: /* Use already defined ioctl defines if they exist (except with Sun or Sparc) */ 0084: #define SIOCPARM_MASK IOCPARM_MASK 0085: #define SIOC_VOID IOC_VOID 0086: #define SIOC_OUT IOC_OUT 0087: #define SIOC_IN IOC_IN 0088: #define SIOC_INOUT IOC_INOUT 0089: #define _SIOC_SIZE _IOC_SIZE 0090: #define _SIOC_DIR _IOC_DIR 0091: #define _SIOC_NONE _IOC_NONE 0092: #define _SIOC_READ _IOC_READ 0093: #define _SIOC_WRITE _IOC_WRITE 0094: #define _SIO _IO 0095: #define _SIOR _IOR 0096: #define _SIOW _IOW 0097: #define _SIOWR _IOWR 0098: #else 0099: 0100: /* Ioctl's have the command encoded in the lower word, 0101: * and the size of any in or out parameters in the upper 0102: * word. The high 2 bits of the upper word are used 0103: * to encode the in/out status of the parameter; for now 0104: * we restrict parameters to at most 8191 bytes. 0105: */ 0106: /* #define SIOCTYPE (0xff<<8) */ 0107: #define SIOCPARM_MASK 0x1fff /* parameters must be < 8192 bytes */ 0108: #define SIOC_VOID 0x00000000 /* no parameters */ 0109: #define SIOC_OUT 0x20000000 /* copy out parameters */ 0110: #define SIOC_IN 0x40000000 /* copy in parameters */ 0111: #define SIOC_INOUT (SIOC_IN|SIOC_OUT) 0112: /* the 0x20000000 is so we can distinguish new ioctl's from old */ 0113: #define _SIO(x,y) ((int)(SIOC_VOID|(x<<8)|y)) 0114: #define _SIOR(x,y,t) ((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 0115: #define _SIOW(x,y,t) ((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 0116: /* this should be _SIORW, but stdio got there first */ 0117: #define _SIOWR(x,y,t) ((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 0118: #define _SIOC_SIZE(x) ((x>>16)&SIOCPARM_MASK) 0119: #define _SIOC_DIR(x) (x & 0xf0000000) 0120: #define _SIOC_NONE SIOC_VOID 0121: #define _SIOC_READ SIOC_OUT 0122: #define _SIOC_WRITE SIOC_IN 0123: # endif /* _IOWR */ 0124: #endif /* !_SIOWR */ 0125: 0126: #define SNDCTL_SEQ_RESET _SIO ('Q', 0) 0127: #define SNDCTL_SEQ_SYNC _SIO ('Q', 1) 0128: #define SNDCTL_SYNTH_INFO _SIOWR('Q', 2, struct synth_info) 0129: #define SNDCTL_SEQ_CTRLRATE _SIOWR('Q', 3, int) /* Set/get timer resolution (HZ) */ 0130: #define SNDCTL_SEQ_GETOUTCOUNT _SIOR ('Q', 4, int) 0131: #define SNDCTL_SEQ_GETINCOUNT _SIOR ('Q', 5, int) 0132: #define SNDCTL_SEQ_PERCMODE _SIOW ('Q', 6, int) 0133: #define SNDCTL_FM_LOAD_INSTR _SIOW ('Q', 7, struct sbi_instrument) /* Obsolete. Don't use!!!!!! */ 0134: #define SNDCTL_SEQ_TESTMIDI _SIOW ('Q', 8, int) 0135: #define SNDCTL_SEQ_RESETSAMPLES _SIOW ('Q', 9, int) 0136: #define SNDCTL_SEQ_NRSYNTHS _SIOR ('Q',10, int) 0137: #define SNDCTL_SEQ_NRMIDIS _SIOR ('Q',11, int) 0138: #define SNDCTL_MIDI_INFO _SIOWR('Q',12, struct midi_info) 0139: #define SNDCTL_SEQ_THRESHOLD _SIOW ('Q',13, int) 0140: #define SNDCTL_SYNTH_MEMAVL _SIOWR('Q',14, int) /* in=dev#, out=memsize */ 0141: #define SNDCTL_FM_4OP_ENABLE _SIOW ('Q',15, int) /* in=dev# */ 0142: #define SNDCTL_SEQ_PANIC _SIO ('Q',17) 0143: #define SNDCTL_SEQ_OUTOFBAND _SIOW ('Q',18, struct seq_event_rec) 0144: #define SNDCTL_SEQ_GETTIME _SIOR ('Q',19, int) 0145: #define SNDCTL_SYNTH_ID _SIOWR('Q',20, struct synth_info) 0146: #define SNDCTL_SYNTH_CONTROL _SIOWR('Q',21, struct synth_control) 0147: #define SNDCTL_SYNTH_REMOVESAMPLE _SIOWR('Q',22, struct remove_sample) 0148: 0149: typedef struct synth_control 0150: { 0151: int devno; /* Synthesizer # */ 0152: char data[4000]; /* Device spesific command/data record */ 0153: }synth_control; 0154: 0155: typedef struct remove_sample 0156: { 0157: int devno; /* Synthesizer # */ 0158: int bankno; /* MIDI bank # (0=General MIDI) */ 0159: int instrno; /* MIDI instrument number */ 0160: } remove_sample; 0161: 0162: typedef struct seq_event_rec { 0163: unsigned char arr[8]; 0164: } seq_event_rec; 0165: 0166: #define SNDCTL_TMR_TIMEBASE _SIOWR('T', 1, int) 0167: #define SNDCTL_TMR_START _SIO ('T', 2) 0168: #define SNDCTL_TMR_STOP _SIO ('T', 3) 0169: #define SNDCTL_TMR_CONTINUE _SIO ('T', 4) 0170: #define SNDCTL_TMR_TEMPO _SIOWR('T', 5, int) 0171: #define SNDCTL_TMR_SOURCE _SIOWR('T', 6, int) 0172: # define TMR_INTERNAL 0x00000001 0173: # define TMR_EXTERNAL 0x00000002 0174: # define TMR_MODE_MIDI 0x00000010 0175: # define TMR_MODE_FSK 0x00000020 0176: # define TMR_MODE_CLS 0x00000040 0177: # define TMR_MODE_SMPTE 0x00000080 0178: #define SNDCTL_TMR_METRONOME _SIOW ('T', 7, int) 0179: #define SNDCTL_TMR_SELECT _SIOW ('T', 8, int) 0180: 0181: /* 0182: * Some big endian/little endian handling macros 0183: */ 0184: 0185: #define _LINUX_PATCHKEY_H_INDIRECT 0186: #include <linux/patchkey.h> 0187: #undef _LINUX_PATCHKEY_H_INDIRECT 0188: 0189: #if defined(__BYTE_ORDER) 0190: # if __BYTE_ORDER == __BIG_ENDIAN 0191: # define AFMT_S16_NE AFMT_S16_BE 0192: # elif __BYTE_ORDER == __LITTLE_ENDIAN 0193: # define AFMT_S16_NE AFMT_S16_LE 0194: # else 0195: # error "could not determine byte order" 0196: # endif 0197: #endif 0198: 0199: /* 0200: * Sample loading mechanism for internal synthesizers (/dev/sequencer) 0201: * The following patch_info structure has been designed to support 0202: * Gravis UltraSound. It tries to be universal format for uploading 0203: * sample based patches but is probably too limited. 0204: * 0205: * (PBD) As Hannu guessed, the GUS structure is too limited for 0206: * the WaveFront, but this is the right place for a constant definition. 0207: */ 0208: 0209: struct patch_info { 0210: unsigned short key; /* Use WAVE_PATCH here */ 0211: #define WAVE_PATCH _PATCHKEY(0x04) 0212: #define GUS_PATCH WAVE_PATCH 0213: #define WAVEFRONT_PATCH _PATCHKEY(0x06) 0214: 0215: short device_no; /* Synthesizer number */ 0216: short instr_no; /* Midi pgm# */ 0217: 0218: unsigned int mode; 0219: /* 0220: * The least significant byte has the same format than the GUS .PAT 0221: * files 0222: */ 0223: #define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 0224: #define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 0225: #define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 0226: #define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 0227: #define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 0228: #define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 0229: #define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 0230: #define WAVE_FAST_RELEASE 0x80 /* bit 7 = Shut off immediately after note off */ 0231: /* (use the env_rate/env_offs fields). */ 0232: /* Linux specific bits */ 0233: #define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 0234: #define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 0235: #define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 0236: #define WAVE_FRACTIONS 0x00080000 /* Fraction information is valid */ 0237: /* Reserved bits */ 0238: #define WAVE_ROM 0x40000000 /* For future use */ 0239: #define WAVE_MULAW 0x20000000 /* For future use */ 0240: /* Other bits must be zeroed */ 0241: 0242: int len; /* Size of the wave data in bytes */ 0243: int loop_start, loop_end; /* Byte offsets from the beginning */ 0244: 0245: /* 0246: * The base_freq and base_note fields are used when computing the 0247: * playback speed for a note. The base_note defines the tone frequency 0248: * which is heard if the sample is played using the base_freq as the 0249: * playback speed. 0250: * 0251: * The low_note and high_note fields define the minimum and maximum note 0252: * frequencies for which this sample is valid. It is possible to define 0253: * more than one samples for an instrument number at the same time. The 0254: * low_note and high_note fields are used to select the most suitable one. 0255: * 0256: * The fields base_note, high_note and low_note should contain 0257: * the note frequency multiplied by 1000. For example value for the 0258: * middle A is 440*1000. 0259: */ 0260: 0261: unsigned int base_freq; 0262: unsigned int base_note; 0263: unsigned int high_note; 0264: unsigned int low_note; 0265: int panning; /* -128=left, 127=right */ 0266: int detuning; 0267: 0268: /* New fields introduced in version 1.99.5 */ 0269: 0270: /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 0271: unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */ 0272: unsigned char env_offset[ 6 ]; /* 255 == 100% */ 0273: 0274: /* 0275: * The tremolo, vibrato and scale info are not supported yet. 0276: * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 0277: * WAVE_SCALE 0278: */ 0279: 0280: unsigned char tremolo_sweep; 0281: unsigned char tremolo_rate; 0282: unsigned char tremolo_depth; 0283: 0284: unsigned char vibrato_sweep; 0285: unsigned char vibrato_rate; 0286: unsigned char vibrato_depth; 0287: 0288: int scale_frequency; 0289: unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */ 0290: 0291: int volume; 0292: int fractions; 0293: int reserved1; 0294: int spare[2]; 0295: char data[1]; /* The waveform data starts here */ 0296: }; 0297: 0298: struct sysex_info { 0299: short key; /* Use SYSEX_PATCH or MAUI_PATCH here */ 0300: #define SYSEX_PATCH _PATCHKEY(0x05) 0301: #define MAUI_PATCH _PATCHKEY(0x06) 0302: short device_no; /* Synthesizer number */ 0303: int len; /* Size of the sysex data in bytes */ 0304: unsigned char data[1]; /* Sysex data starts here */ 0305: }; 0306: 0307: /* 0308: * /dev/sequencer input events. 0309: * 0310: * The data written to the /dev/sequencer is a stream of events. Events 0311: * are records of 4 or 8 bytes. The first byte defines the size. 0312: * Any number of events can be written with a write call. There 0313: * is a set of macros for sending these events. Use these macros if you 0314: * want to maximize portability of your program. 0315: * 0316: * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 0317: * (All input events are currently 4 bytes long. Be prepared to support 0318: * 8 byte events also. If you receive any event having first byte >= 128, 0319: * it's a 8 byte event. 0320: * 0321: * The events are documented at the end of this file. 0322: * 0323: * Normal events (4 bytes) 0324: * There is also a 8 byte version of most of the 4 byte events. The 0325: * 8 byte one is recommended. 0326: */ 0327: #define SEQ_NOTEOFF 0 0328: #define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 0329: #define SEQ_NOTEON 1 0330: #define SEQ_FMNOTEON SEQ_NOTEON 0331: #define SEQ_WAIT TMR_WAIT_ABS 0332: #define SEQ_PGMCHANGE 3 0333: #define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 0334: #define SEQ_SYNCTIMER TMR_START 0335: #define SEQ_MIDIPUTC 5 0336: #define SEQ_DRUMON 6 /*** OBSOLETE ***/ 0337: #define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 0338: #define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 0339: #define SEQ_AFTERTOUCH 9 0340: #define SEQ_CONTROLLER 10 0341: 0342: /******************************************* 0343: * Midi controller numbers 0344: ******************************************* 0345: * Controllers 0 to 31 (0x00 to 0x1f) and 0346: * 32 to 63 (0x20 to 0x3f) are continuous 0347: * controllers. 0348: * In the MIDI 1.0 these controllers are sent using 0349: * two messages. Controller numbers 0 to 31 are used 0350: * to send the MSB and the controller numbers 32 to 63 0351: * are for the LSB. Note that just 7 bits are used in MIDI bytes. 0352: */ 0353: 0354: #define CTL_BANK_SELECT 0x00 0355: #define CTL_MODWHEEL 0x01 0356: #define CTL_BREATH 0x02 0357: /* undefined 0x03 */ 0358: #define CTL_FOOT 0x04 0359: #define CTL_PORTAMENTO_TIME 0x05 0360: #define CTL_DATA_ENTRY 0x06 0361: #define CTL_MAIN_VOLUME 0x07 0362: #define CTL_BALANCE 0x08 0363: /* undefined 0x09 */ 0364: #define CTL_PAN 0x0a 0365: #define CTL_EXPRESSION 0x0b 0366: /* undefined 0x0c */ 0367: /* undefined 0x0d */ 0368: /* undefined 0x0e */ 0369: /* undefined 0x0f */ 0370: #define CTL_GENERAL_PURPOSE1 0x10 0371: #define CTL_GENERAL_PURPOSE2 0x11 0372: #define CTL_GENERAL_PURPOSE3 0x12 0373: #define CTL_GENERAL_PURPOSE4 0x13 0374: /* undefined 0x14 - 0x1f */ 0375: 0376: /* undefined 0x20 */ 0377: /* The controller numbers 0x21 to 0x3f are reserved for the */ 0378: /* least significant bytes of the controllers 0x00 to 0x1f. */ 0379: /* These controllers are not recognised by the driver. */ 0380: 0381: /* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */ 0382: /* 0=OFF and 127=ON (intermediate values are possible) */ 0383: #define CTL_DAMPER_PEDAL 0x40 0384: #define CTL_SUSTAIN 0x40 /* Alias */ 0385: #define CTL_HOLD 0x40 /* Alias */ 0386: #define CTL_PORTAMENTO 0x41 0387: #define CTL_SOSTENUTO 0x42 0388: #define CTL_SOFT_PEDAL 0x43 0389: /* undefined 0x44 */ 0390: #define CTL_HOLD2 0x45 0391: /* undefined 0x46 - 0x4f */ 0392: 0393: #define CTL_GENERAL_PURPOSE5 0x50 0394: #define CTL_GENERAL_PURPOSE6 0x51 0395: #define CTL_GENERAL_PURPOSE7 0x52 0396: #define CTL_GENERAL_PURPOSE8 0x53 0397: /* undefined 0x54 - 0x5a */ 0398: #define CTL_EXT_EFF_DEPTH 0x5b 0399: #define CTL_TREMOLO_DEPTH 0x5c 0400: #define CTL_CHORUS_DEPTH 0x5d 0401: #define CTL_DETUNE_DEPTH 0x5e 0402: #define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */ 0403: #define CTL_PHASER_DEPTH 0x5f 0404: #define CTL_DATA_INCREMENT 0x60 0405: #define CTL_DATA_DECREMENT 0x61 0406: #define CTL_NONREG_PARM_NUM_LSB 0x62 0407: #define CTL_NONREG_PARM_NUM_MSB 0x63 0408: #define CTL_REGIST_PARM_NUM_LSB 0x64 0409: #define CTL_REGIST_PARM_NUM_MSB 0x65 0410: /* undefined 0x66 - 0x78 */ 0411: /* reserved 0x79 - 0x7f */ 0412: 0413: /* Pseudo controllers (not midi compatible) */ 0414: #define CTRL_PITCH_BENDER 255 0415: #define CTRL_PITCH_BENDER_RANGE 254 0416: #define CTRL_EXPRESSION 253 /* Obsolete */ 0417: #define CTRL_MAIN_VOLUME 252 /* Obsolete */ 0418: #define SEQ_BALANCE 11 0419: #define SEQ_VOLMODE 12 0420: 0421: /* 0422: * Volume mode decides how volumes are used 0423: */ 0424: 0425: #define VOL_METHOD_ADAGIO 1 0426: #define VOL_METHOD_LINEAR 2 0427: 0428: /* 0429: * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 0430: * input events. 0431: */ 0432: 0433: /* 0434: * Event codes 0xf0 to 0xfc are reserved for future extensions. 0435: */ 0436: 0437: #define SEQ_FULLSIZE 0xfd /* Long events */ 0438: /* 0439: * SEQ_FULLSIZE events are used for loading patches/samples to the 0440: * synthesizer devices. These events are passed directly to the driver 0441: * of the associated synthesizer device. There is no limit to the size 0442: * of the extended events. These events are not queued but executed 0443: * immediately when the write() is called (execution can take several 0444: * seconds of time). 0445: * 0446: * When a SEQ_FULLSIZE message is written to the device, it must 0447: * be written using exactly one write() call. Other events cannot 0448: * be mixed to the same write. 0449: * 0450: * For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the 0451: * /dev/sequencer. Don't write other data together with the instrument structure 0452: * Set the key field of the structure to FM_PATCH. The device field is used to 0453: * route the patch to the corresponding device. 0454: * 0455: * For wave table use struct patch_info. Initialize the key field 0456: * to WAVE_PATCH. 0457: */ 0458: #define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 0459: #define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 0460: 0461: /* 0462: * Record for FM patches 0463: */ 0464: 0465: typedef unsigned char sbi_instr_data[32]; 0466: 0467: struct sbi_instrument { 0468: unsigned short key; /* FM_PATCH or OPL3_PATCH */ 0469: #define FM_PATCH _PATCHKEY(0x01) 0470: #define OPL3_PATCH _PATCHKEY(0x03) 0471: short device; /* Synth# (0-4) */ 0472: int channel; /* Program# to be initialized */ 0473: sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */ 0474: }; 0475: 0476: struct synth_info { /* Read only */ 0477: char name[30]; 0478: int device; /* 0-N. INITIALIZE BEFORE CALLING */ 0479: int synth_type; 0480: #define SYNTH_TYPE_FM 0 0481: #define SYNTH_TYPE_SAMPLE 1 0482: #define SYNTH_TYPE_MIDI 2 /* Midi interface */ 0483: 0484: int synth_subtype; 0485: #define FM_TYPE_ADLIB 0x00 0486: #define FM_TYPE_OPL3 0x01 0487: #define MIDI_TYPE_MPU401 0x401 0488: 0489: #define SAMPLE_TYPE_BASIC 0x10 0490: #define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 0491: #define SAMPLE_TYPE_WAVEFRONT 0x11 0492: 0493: int perc_mode; /* No longer supported */ 0494: int nr_voices; 0495: int nr_drums; /* Obsolete field */ 0496: int instr_bank_size; 0497: unsigned int capabilities; 0498: #define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 0499: #define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 0500: #define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 0501: int dummies[19]; /* Reserve space */ 0502: }; 0503: 0504: struct sound_timer_info { 0505: char name[32]; 0506: int caps; 0507: }; 0508: 0509: #define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ 0510: 0511: struct midi_info { 0512: char name[30]; 0513: int device; /* 0-N. INITIALIZE BEFORE CALLING */ 0514: unsigned int capabilities; /* To be defined later */ 0515: int dev_type; 0516: int dummies[18]; /* Reserve space */ 0517: }; 0518: 0519: /******************************************** 0520: * ioctl commands for the /dev/midi## 0521: */ 0522: typedef struct { 0523: unsigned char cmd; 0524: char nr_args, nr_returns; 0525: unsigned char data[30]; 0526: } mpu_command_rec; 0527: 0528: #define SNDCTL_MIDI_PRETIME _SIOWR('m', 0, int) 0529: #define SNDCTL_MIDI_MPUMODE _SIOWR('m', 1, int) 0530: #define SNDCTL_MIDI_MPUCMD _SIOWR('m', 2, mpu_command_rec) 0531: 0532: /******************************************** 0533: * IOCTL commands for /dev/dsp and /dev/audio 0534: */ 0535: 0536: #define SNDCTL_DSP_RESET _SIO ('P', 0) 0537: #define SNDCTL_DSP_SYNC _SIO ('P', 1) 0538: #define SNDCTL_DSP_SPEED _SIOWR('P', 2, int) 0539: #define SNDCTL_DSP_STEREO _SIOWR('P', 3, int) 0540: #define SNDCTL_DSP_GETBLKSIZE _SIOWR('P', 4, int) 0541: #define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 0542: #define SNDCTL_DSP_CHANNELS _SIOWR('P', 6, int) 0543: #define SOUND_PCM_WRITE_CHANNELS SNDCTL_DSP_CHANNELS 0544: #define SOUND_PCM_WRITE_FILTER _SIOWR('P', 7, int) 0545: #define SNDCTL_DSP_POST _SIO ('P', 8) 0546: #define SNDCTL_DSP_SUBDIVIDE _SIOWR('P', 9, int) 0547: #define SNDCTL_DSP_SETFRAGMENT _SIOWR('P',10, int) 0548: 0549: /* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */ 0550: #define SNDCTL_DSP_GETFMTS _SIOR ('P',11, int) /* Returns a mask */ 0551: #define SNDCTL_DSP_SETFMT _SIOWR('P',5, int) /* Selects ONE fmt*/ 0552: # define AFMT_QUERY 0x00000000 /* Return current fmt */ 0553: # define AFMT_MU_LAW 0x00000001 0554: # define AFMT_A_LAW 0x00000002 0555: # define AFMT_IMA_ADPCM 0x00000004 0556: # define AFMT_U8 0x00000008 0557: # define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/ 0558: # define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */ 0559: # define AFMT_S8 0x00000040 0560: # define AFMT_U16_LE 0x00000080 /* Little endian U16 */ 0561: # define AFMT_U16_BE 0x00000100 /* Big endian U16 */ 0562: # define AFMT_MPEG 0x00000200 /* MPEG (2) audio */ 0563: # define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */ 0564: 0565: /* 0566: * Buffer status queries. 0567: */ 0568: typedef struct audio_buf_info { 0569: int fragments; /* # of available fragments (partially usend ones not counted) */ 0570: int fragstotal; /* Total # of fragments allocated */ 0571: int fragsize; /* Size of a fragment in bytes */ 0572: 0573: int bytes; /* Available space in bytes (includes partially used fragments) */ 0574: /* Note! 'bytes' could be more than fragments*fragsize */ 0575: } audio_buf_info; 0576: 0577: #define SNDCTL_DSP_GETOSPACE _SIOR ('P',12, audio_buf_info) 0578: #define SNDCTL_DSP_GETISPACE _SIOR ('P',13, audio_buf_info) 0579: #define SNDCTL_DSP_NONBLOCK _SIO ('P',14) 0580: #define SNDCTL_DSP_GETCAPS _SIOR ('P',15, int) 0581: # define DSP_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */ 0582: # define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 0583: # define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ 0584: # define DSP_CAP_BATCH 0x00000400 /* Device has some kind of */ 0585: /* internal buffers which may */ 0586: /* cause some delays and */ 0587: /* decrease precision of timing */ 0588: # define DSP_CAP_COPROC 0x00000800 /* Has a coprocessor */ 0589: /* Sometimes it's a DSP */ 0590: /* but usually not */ 0591: # define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 0592: # define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ 0593: # define DSP_CAP_MULTI 0x00004000 /* support multiple open */ 0594: # define DSP_CAP_BIND 0x00008000 /* channel binding to front/rear/cneter/lfe */ 0595: 0596: 0597: #define SNDCTL_DSP_GETTRIGGER _SIOR ('P',16, int) 0598: #define SNDCTL_DSP_SETTRIGGER _SIOW ('P',16, int) 0599: # define PCM_ENABLE_INPUT 0x00000001 0600: # define PCM_ENABLE_OUTPUT 0x00000002 0601: 0602: typedef struct count_info { 0603: int bytes; /* Total # of bytes processed */ 0604: int blocks; /* # of fragment transitions since last time */ 0605: int ptr; /* Current DMA pointer value */ 0606: } count_info; 0607: 0608: #define SNDCTL_DSP_GETIPTR _SIOR ('P',17, count_info) 0609: #define SNDCTL_DSP_GETOPTR _SIOR ('P',18, count_info) 0610: 0611: typedef struct buffmem_desc { 0612: unsigned *buffer; 0613: int size; 0614: } buffmem_desc; 0615: #define SNDCTL_DSP_MAPINBUF _SIOR ('P', 19, buffmem_desc) 0616: #define SNDCTL_DSP_MAPOUTBUF _SIOR ('P', 20, buffmem_desc) 0617: #define SNDCTL_DSP_SETSYNCRO _SIO ('P', 21) 0618: #define SNDCTL_DSP_SETDUPLEX _SIO ('P', 22) 0619: #define SNDCTL_DSP_GETODELAY _SIOR ('P', 23, int) 0620: 0621: #define SNDCTL_DSP_GETCHANNELMASK _SIOWR('P', 64, int) 0622: #define SNDCTL_DSP_BIND_CHANNEL _SIOWR('P', 65, int) 0623: # define DSP_BIND_QUERY 0x00000000 0624: # define DSP_BIND_FRONT 0x00000001 0625: # define DSP_BIND_SURR 0x00000002 0626: # define DSP_BIND_CENTER_LFE 0x00000004 0627: # define DSP_BIND_HANDSET 0x00000008 0628: # define DSP_BIND_MIC 0x00000010 0629: # define DSP_BIND_MODEM1 0x00000020 0630: # define DSP_BIND_MODEM2 0x00000040 0631: # define DSP_BIND_I2S 0x00000080 0632: # define DSP_BIND_SPDIF 0x00000100 0633: 0634: #define SNDCTL_DSP_SETSPDIF _SIOW ('P', 66, int) 0635: #define SNDCTL_DSP_GETSPDIF _SIOR ('P', 67, int) 0636: # define SPDIF_PRO 0x0001 0637: # define SPDIF_N_AUD 0x0002 0638: # define SPDIF_COPY 0x0004 0639: # define SPDIF_PRE 0x0008 0640: # define SPDIF_CC 0x07f0 0641: # define SPDIF_L 0x0800 0642: # define SPDIF_DRS 0x4000 0643: # define SPDIF_V 0x8000 0644: 0645: /* 0646: * Application's profile defines the way how playback underrun situations should be handled. 0647: * 0648: * APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the 0649: * playback buffer whenever an underrun occurs. This consumes some time 0650: * prevents looping the existing buffer. 0651: * APF_CPUINTENS is intended to be set by CPU intensive applications which 0652: * are likely to run out of time occasionally. In this mode the buffer cleanup is 0653: * disabled which saves CPU time but also let's the previous buffer content to 0654: * be played during the "pause" after the underrun. 0655: */ 0656: #define SNDCTL_DSP_PROFILE _SIOW ('P', 23, int) 0657: #define APF_NORMAL 0 /* Normal applications */ 0658: #define APF_NETWORK 1 /* Underruns probably caused by an "external" delay */ 0659: #define APF_CPUINTENS 2 /* Underruns probably caused by "overheating" the CPU */ 0660: 0661: #define SOUND_PCM_READ_RATE _SIOR ('P', 2, int) 0662: #define SOUND_PCM_READ_CHANNELS _SIOR ('P', 6, int) 0663: #define SOUND_PCM_READ_BITS _SIOR ('P', 5, int) 0664: #define SOUND_PCM_READ_FILTER _SIOR ('P', 7, int) 0665: 0666: /* Some alias names */ 0667: #define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 0668: #define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 0669: #define SOUND_PCM_POST SNDCTL_DSP_POST 0670: #define SOUND_PCM_RESET SNDCTL_DSP_RESET 0671: #define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 0672: #define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 0673: #define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 0674: #define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 0675: #define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 0676: #define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 0677: #define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 0678: #define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 0679: #define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 0680: #define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 0681: #define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 0682: #define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 0683: #define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 0684: #define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 0685: #define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 0686: #define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 0687: 0688: /* 0689: * ioctl calls to be used in communication with coprocessors and 0690: * DSP chips. 0691: */ 0692: 0693: typedef struct copr_buffer { 0694: int command; /* Set to 0 if not used */ 0695: int flags; 0696: #define CPF_NONE 0x0000 0697: #define CPF_FIRST 0x0001 /* First block */ 0698: #define CPF_LAST 0x0002 /* Last block */ 0699: int len; 0700: int offs; /* If required by the device (0 if not used) */ 0701: 0702: unsigned char data[4000]; /* NOTE! 4000 is not 4k */ 0703: } copr_buffer; 0704: 0705: typedef struct copr_debug_buf { 0706: int command; /* Used internally. Set to 0 */ 0707: int parm1; 0708: int parm2; 0709: int flags; 0710: int len; /* Length of data in bytes */ 0711: } copr_debug_buf; 0712: 0713: typedef struct copr_msg { 0714: int len; 0715: unsigned char data[4000]; 0716: } copr_msg; 0717: 0718: #define SNDCTL_COPR_RESET _SIO ('C', 0) 0719: #define SNDCTL_COPR_LOAD _SIOWR('C', 1, copr_buffer) 0720: #define SNDCTL_COPR_RDATA _SIOWR('C', 2, copr_debug_buf) 0721: #define SNDCTL_COPR_RCODE _SIOWR('C', 3, copr_debug_buf) 0722: #define SNDCTL_COPR_WDATA _SIOW ('C', 4, copr_debug_buf) 0723: #define SNDCTL_COPR_WCODE _SIOW ('C', 5, copr_debug_buf) 0724: #define SNDCTL_COPR_RUN _SIOWR('C', 6, copr_debug_buf) 0725: #define SNDCTL_COPR_HALT _SIOWR('C', 7, copr_debug_buf) 0726: #define SNDCTL_COPR_SENDMSG _SIOWR('C', 8, copr_msg) 0727: #define SNDCTL_COPR_RCVMSG _SIOR ('C', 9, copr_msg) 0728: 0729: /********************************************* 0730: * IOCTL commands for /dev/mixer 0731: */ 0732: 0733: /* 0734: * Mixer devices 0735: * 0736: * There can be up to 20 different analog mixer channels. The 0737: * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 0738: * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 0739: * the devices supported by the particular mixer. 0740: */ 0741: 0742: #define SOUND_MIXER_NRDEVICES 25 0743: #define SOUND_MIXER_VOLUME 0 0744: #define SOUND_MIXER_BASS 1 0745: #define SOUND_MIXER_TREBLE 2 0746: #define SOUND_MIXER_SYNTH 3 0747: #define SOUND_MIXER_PCM 4 0748: #define SOUND_MIXER_SPEAKER 5 0749: #define SOUND_MIXER_LINE 6 0750: #define SOUND_MIXER_MIC 7 0751: #define SOUND_MIXER_CD 8 0752: #define SOUND_MIXER_IMIX 9 /* Recording monitor */ 0753: #define SOUND_MIXER_ALTPCM 10 0754: #define SOUND_MIXER_RECLEV 11 /* Recording level */ 0755: #define SOUND_MIXER_IGAIN 12 /* Input gain */ 0756: #define SOUND_MIXER_OGAIN 13 /* Output gain */ 0757: /* 0758: * The AD1848 codec and compatibles have three line level inputs 0759: * (line, aux1 and aux2). Since each card manufacturer have assigned 0760: * different meanings to these inputs, it's inpractical to assign 0761: * specific meanings (line, cd, synth etc.) to them. 0762: */ 0763: #define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 0764: #define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 0765: #define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 0766: #define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 0767: #define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 0768: #define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 0769: #define SOUND_MIXER_PHONEIN 20 /* Phone input */ 0770: #define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 0771: #define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 0772: #define SOUND_MIXER_RADIO 23 /* Radio in */ 0773: #define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 0774: 0775: /* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */ 0776: /* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */ 0777: #define SOUND_ONOFF_MIN 28 0778: #define SOUND_ONOFF_MAX 30 0779: 0780: /* Note! Number 31 cannot be used since the sign bit is reserved */ 0781: #define SOUND_MIXER_NONE 31 0782: 0783: /* 0784: * The following unsupported macros are no longer functional. 0785: * Use SOUND_MIXER_PRIVATE# macros in future. 0786: */ 0787: #define SOUND_MIXER_ENHANCE SOUND_MIXER_NONE 0788: #define SOUND_MIXER_MUTE SOUND_MIXER_NONE 0789: #define SOUND_MIXER_LOUD SOUND_MIXER_NONE 0790: 0791: 0792: #define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 0793: "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 0794: "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 0795: "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 0796: 0797: #define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 0798: "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 0799: "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 0800: "phin", "phout", "video", "radio", "monitor"} 0801: 0802: /* Device bitmask identifiers */ 0803: 0804: #define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */ 0805: #define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */ 0806: #define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */ 0807: #define SOUND_MIXER_CAPS 0xfc 0808: # define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */ 0809: #define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 0810: #define SOUND_MIXER_OUTSRC 0xfa /* Arg contains a bit for each input source to output */ 0811: #define SOUND_MIXER_OUTMASK 0xf9 /* Arg contains a bit for each supported input source to output */ 0812: 0813: /* Device mask bits */ 0814: 0815: #define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 0816: #define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 0817: #define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 0818: #define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 0819: #define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 0820: #define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 0821: #define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 0822: #define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 0823: #define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 0824: #define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 0825: #define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 0826: #define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 0827: #define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 0828: #define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 0829: #define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 0830: #define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 0831: #define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 0832: #define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 0833: #define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 0834: #define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 0835: #define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 0836: #define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 0837: #define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 0838: #define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 0839: #define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 0840: 0841: /* Obsolete macros */ 0842: #define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 0843: #define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 0844: #define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 0845: 0846: #define MIXER_READ(dev) _SIOR('M', dev, int) 0847: #define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 0848: #define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 0849: #define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 0850: #define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 0851: #define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 0852: #define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 0853: #define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 0854: #define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 0855: #define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 0856: #define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 0857: #define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 0858: #define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 0859: #define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 0860: #define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 0861: #define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 0862: #define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 0863: #define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 0864: 0865: /* Obsolete macros */ 0866: #define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 0867: #define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 0868: #define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 0869: 0870: #define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 0871: #define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 0872: #define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 0873: #define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 0874: #define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 0875: 0876: #define MIXER_WRITE(dev) _SIOWR('M', dev, int) 0877: #define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 0878: #define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 0879: #define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 0880: #define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 0881: #define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 0882: #define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 0883: #define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 0884: #define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 0885: #define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 0886: #define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 0887: #define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 0888: #define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 0889: #define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 0890: #define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 0891: #define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 0892: #define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 0893: #define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 0894: 0895: /* Obsolete macros */ 0896: #define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 0897: #define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 0898: #define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 0899: 0900: #define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 0901: 0902: typedef struct mixer_info 0903: { 0904: char id[16]; 0905: char name[32]; 0906: int modify_counter; 0907: int fillers[10]; 0908: } mixer_info; 0909: 0910: typedef struct _old_mixer_info /* Obsolete */ 0911: { 0912: char id[16]; 0913: char name[32]; 0914: } _old_mixer_info; 0915: 0916: #define SOUND_MIXER_INFO _SIOR ('M', 101, mixer_info) 0917: #define SOUND_OLD_MIXER_INFO _SIOR ('M', 101, _old_mixer_info) 0918: 0919: /* 0920: * A mechanism for accessing "proprietary" mixer features. This method 0921: * permits passing 128 bytes of arbitrary data between a mixer application 0922: * and the mixer driver. Interpretation of the record is defined by 0923: * the particular mixer driver. 0924: */ 0925: typedef unsigned char mixer_record[128]; 0926: 0927: #define SOUND_MIXER_ACCESS _SIOWR('M', 102, mixer_record) 0928: 0929: /* 0930: * Two ioctls for special souncard function 0931: */ 0932: #define SOUND_MIXER_AGC _SIOWR('M', 103, int) 0933: #define SOUND_MIXER_3DSE _SIOWR('M', 104, int) 0934: 0935: /* 0936: * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers. 0937: * These features can be used when accessing device specific features. 0938: */ 0939: #define SOUND_MIXER_PRIVATE1 _SIOWR('M', 111, int) 0940: #define SOUND_MIXER_PRIVATE2 _SIOWR('M', 112, int) 0941: #define SOUND_MIXER_PRIVATE3 _SIOWR('M', 113, int) 0942: #define SOUND_MIXER_PRIVATE4 _SIOWR('M', 114, int) 0943: #define SOUND_MIXER_PRIVATE5 _SIOWR('M', 115, int) 0944: 0945: /* 0946: * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used 0947: * for querying current mixer settings from the driver and for loading 0948: * default volume settings _prior_ activating the mixer (loading 0949: * doesn't affect current state of the mixer hardware). These calls 0950: * are for internal use only. 0951: */ 0952: 0953: typedef struct mixer_vol_table { 0954: int num; /* Index to volume table */ 0955: char name[32]; 0956: int levels[32]; 0957: } mixer_vol_table; 0958: 0959: #define SOUND_MIXER_GETLEVELS _SIOWR('M', 116, mixer_vol_table) 0960: #define SOUND_MIXER_SETLEVELS _SIOWR('M', 117, mixer_vol_table) 0961: 0962: /* 0963: * An ioctl for identifying the driver version. It will return value 0964: * of the SOUND_VERSION macro used when compiling the driver. 0965: * This call was introduced in OSS version 3.6 and it will not work 0966: * with earlier versions (returns EINVAL). 0967: */ 0968: #define OSS_GETVERSION _SIOR ('M', 118, int) 0969: 0970: /* 0971: * Level 2 event types for /dev/sequencer 0972: */ 0973: 0974: /* 0975: * The 4 most significant bits of byte 0 specify the class of 0976: * the event: 0977: * 0978: * 0x8X = system level events, 0979: * 0x9X = device/port specific events, event[1] = device/port, 0980: * The last 4 bits give the subtype: 0981: * 0x02 = Channel event (event[3] = chn). 0982: * 0x01 = note event (event[4] = note). 0983: * (0x01 is not used alone but always with bit 0x02). 0984: * event[2] = MIDI message code (0x80=note off etc.) 0985: * 0986: */ 0987: 0988: #define EV_SEQ_LOCAL 0x80 0989: #define EV_TIMING 0x81 0990: #define EV_CHN_COMMON 0x92 0991: #define EV_CHN_VOICE 0x93 0992: #define EV_SYSEX 0x94 0993: /* 0994: * Event types 200 to 220 are reserved for application use. 0995: * These numbers will not be used by the driver. 0996: */ 0997: 0998: /* 0999: * Events for event type EV_CHN_VOICE 1000: */ 1001: 1002: #define MIDI_NOTEOFF 0x80 1003: #define MIDI_NOTEON 0x90 1004: #define MIDI_KEY_PRESSURE 0xA0 1005: 1006: /* 1007: * Events for event type EV_CHN_COMMON 1008: */ 1009: 1010: #define MIDI_CTL_CHANGE 0xB0 1011: #define MIDI_PGM_CHANGE 0xC0 1012: #define MIDI_CHN_PRESSURE 0xD0 1013: #define MIDI_PITCH_BEND 0xE0 1014: 1015: #define MIDI_SYSTEM_PREFIX 0xF0 1016: 1017: /* 1018: * Timer event types 1019: */ 1020: #define TMR_WAIT_REL 1 /* Time relative to the prev time */ 1021: #define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 1022: #define TMR_STOP 3 1023: #define TMR_START 4 1024: #define TMR_CONTINUE 5 1025: #define TMR_TEMPO 6 1026: #define TMR_ECHO 8 1027: #define TMR_CLOCK 9 /* MIDI clock */ 1028: #define TMR_SPP 10 /* Song position pointer */ 1029: #define TMR_TIMESIG 11 /* Time signature */ 1030: 1031: /* 1032: * Local event types 1033: */ 1034: #define LOCL_STARTAUDIO 1 1035: 1036: /* 1037: * Some convenience macros to simplify programming of the 1038: * /dev/sequencer interface 1039: * 1040: * This is a legacy interface for applications written against 1041: * the OSSlib-3.8 style interface. It is no longer possible 1042: * to actually link against OSSlib with this header, but we 1043: * still provide these macros for programs using them. 1044: * 1045: * If you want to use OSSlib, it is recommended that you get 1046: * the GPL version of OSS-4.x and build against that version 1047: * of the header. 1048: * 1049: * We redefine the extern keyword so that make headers_check 1050: * does not complain about SEQ_USE_EXTBUF. 1051: */ 1052: #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 1053: 1054: void seqbuf_dump(void); /* This function must be provided by programs */ 1055: 1056: #define SEQ_PM_DEFINES int __foo_bar___ 1057: 1058: #define SEQ_LOAD_GMINSTR(dev, instr) 1059: #define SEQ_LOAD_GMDRUM(dev, drum) 1060: 1061: #define _SEQ_EXTERN extern 1062: #define SEQ_USE_EXTBUF() \ 1063: _SEQ_EXTERN unsigned char _seqbuf[]; \ 1064: _SEQ_EXTERN int _seqbuflen; _SEQ_EXTERN int _seqbufptr 1065: 1066: #ifndef USE_SIMPLE_MACROS 1067: /* Sample seqbuf_dump() implementation: 1068: * 1069: * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 1070: * 1071: * int seqfd; -- The file descriptor for /dev/sequencer. 1072: * 1073: * void 1074: * seqbuf_dump () 1075: * { 1076: * if (_seqbufptr) 1077: * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 1078: * { 1079: * perror ("write /dev/sequencer"); 1080: * exit (-1); 1081: * } 1082: * _seqbufptr = 0; 1083: * } 1084: */ 1085: 1086: #define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 1087: #define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump() 1088: #define _SEQ_ADVBUF(len) _seqbufptr += len 1089: #define SEQ_DUMPBUF seqbuf_dump 1090: #else 1091: /* 1092: * This variation of the sequencer macros is used just to format one event 1093: * using fixed buffer. 1094: * 1095: * The program using the macro library must define the following macros before 1096: * using this library. 1097: * 1098: * #define _seqbuf name of the buffer (unsigned char[]) 1099: * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 1100: * size of the event, this macro can be used. 1101: * Otherwise this must be defined as empty. 1102: * #define _seqbufptr Define the name of index variable or 0 if 1103: * not required. 1104: */ 1105: #define _SEQ_NEEDBUF(len) /* empty */ 1106: #endif 1107: 1108: #define SEQ_VOLUME_MODE(dev, mode) {_SEQ_NEEDBUF(8);\ 1109: _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1110: _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 1111: _seqbuf[_seqbufptr+2] = (dev);\ 1112: _seqbuf[_seqbufptr+3] = (mode);\ 1113: _seqbuf[_seqbufptr+4] = 0;\ 1114: _seqbuf[_seqbufptr+5] = 0;\ 1115: _seqbuf[_seqbufptr+6] = 0;\ 1116: _seqbuf[_seqbufptr+7] = 0;\ 1117: _SEQ_ADVBUF(8);} 1118: 1119: /* 1120: * Midi voice messages 1121: */ 1122: 1123: #define _CHN_VOICE(dev, event, chn, note, parm) \ 1124: {_SEQ_NEEDBUF(8);\ 1125: _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1126: _seqbuf[_seqbufptr+1] = (dev);\ 1127: _seqbuf[_seqbufptr+2] = (event);\ 1128: _seqbuf[_seqbufptr+3] = (chn);\ 1129: _seqbuf[_seqbufptr+4] = (note);\ 1130: _seqbuf[_seqbufptr+5] = (parm);\ 1131: _seqbuf[_seqbufptr+6] = (0);\ 1132: _seqbuf[_seqbufptr+7] = 0;\ 1133: _SEQ_ADVBUF(8);} 1134: 1135: #define SEQ_START_NOTE(dev, chn, note, vol) \ 1136: _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1137: 1138: #define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1139: _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1140: 1141: #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1142: _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1143: 1144: /* 1145: * Midi channel messages 1146: */ 1147: 1148: #define _CHN_COMMON(dev, event, chn, p1, p2, w14) \ 1149: {_SEQ_NEEDBUF(8);\ 1150: _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1151: _seqbuf[_seqbufptr+1] = (dev);\ 1152: _seqbuf[_seqbufptr+2] = (event);\ 1153: _seqbuf[_seqbufptr+3] = (chn);\ 1154: _seqbuf[_seqbufptr+4] = (p1);\ 1155: _seqbuf[_seqbufptr+5] = (p2);\ 1156: *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1157: _SEQ_ADVBUF(8);} 1158: /* 1159: * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1160: * sending any MIDI bytes but it's absolutely not possible. Trying to do 1161: * so _will_ cause problems with MPU401 intelligent mode). 1162: * 1163: * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1164: * sent by calling SEQ_SYSEX() several times (there must be no other events 1165: * between them). First sysex fragment must have 0xf0 in the first byte 1166: * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1167: * between these sysex start and end markers cannot be larger than 0x7f. Also 1168: * lengths of each fragments (except the last one) must be 6. 1169: * 1170: * Breaking the above rules may work with some MIDI ports but is likely to 1171: * cause fatal problems with some other devices (such as MPU401). 1172: */ 1173: #define SEQ_SYSEX(dev, buf, len) \ 1174: {int ii, ll=(len); \ 1175: unsigned char *bufp=buf;\ 1176: if (ll>6)ll=6;\ 1177: _SEQ_NEEDBUF(8);\ 1178: _seqbuf[_seqbufptr] = EV_SYSEX;\ 1179: _seqbuf[_seqbufptr+1] = (dev);\ 1180: for(ii=0;ii<ll;ii++)\ 1181: _seqbuf[_seqbufptr+ii+2] = bufp[ii];\ 1182: for(ii=ll;ii<6;ii++)\ 1183: _seqbuf[_seqbufptr+ii+2] = 0xff;\ 1184: _SEQ_ADVBUF(8);} 1185: 1186: #define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1187: _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1188: 1189: #define SEQ_SET_PATCH SEQ_PGM_CHANGE 1190: #define SEQ_PGM_CHANGE(dev, chn, patch) \ 1191: _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1192: 1193: #define SEQ_CONTROL(dev, chn, controller, value) \ 1194: _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1195: 1196: #define SEQ_BENDER(dev, chn, value) \ 1197: _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1198: 1199: 1200: #define SEQ_V2_X_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\ 1201: _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1202: _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1203: _seqbuf[_seqbufptr+2] = (dev);\ 1204: _seqbuf[_seqbufptr+3] = (voice);\ 1205: _seqbuf[_seqbufptr+4] = (controller);\ 1206: _seqbuf[_seqbufptr+5] = ((value)&0xff);\ 1207: _seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\ 1208: _seqbuf[_seqbufptr+7] = 0;\ 1209: _SEQ_ADVBUF(8);} 1210: /* 1211: * The following 5 macros are incorrectly implemented and obsolete. 1212: * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1213: */ 1214: #define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1215: #define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1216: #define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1217: #define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1218: #define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1219: 1220: /* 1221: * Timing and synchronization macros 1222: */ 1223: 1224: #define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\ 1225: _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1226: _seqbuf[_seqbufptr+1] = (ev); \ 1227: _seqbuf[_seqbufptr+2] = 0;\ 1228: _seqbuf[_seqbufptr+3] = 0;\ 1229: *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1230: _SEQ_ADVBUF(8);} 1231: 1232: #define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1233: #define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1234: #define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1235: #define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1236: #define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1237: #define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1238: #define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1239: #define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1240: #define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1241: 1242: /* 1243: * Local control events 1244: */ 1245: 1246: #define _LOCAL_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\ 1247: _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1248: _seqbuf[_seqbufptr+1] = (ev); \ 1249: _seqbuf[_seqbufptr+2] = 0;\ 1250: _seqbuf[_seqbufptr+3] = 0;\ 1251: *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1252: _SEQ_ADVBUF(8);} 1253: 1254: #define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1255: /* 1256: * Events for the level 1 interface only 1257: */ 1258: 1259: #define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\ 1260: _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1261: _seqbuf[_seqbufptr+1] = (byte);\ 1262: _seqbuf[_seqbufptr+2] = (device);\ 1263: _seqbuf[_seqbufptr+3] = 0;\ 1264: _SEQ_ADVBUF(4);} 1265: 1266: /* 1267: * Patch loading. 1268: */ 1269: #define SEQ_WRPATCH(patchx, len) \ 1270: {if (_seqbufptr) SEQ_DUMPBUF();\ 1271: if (write(seqfd, (char*)(patchx), len)==-1) \ 1272: perror("Write patch: /dev/sequencer");} 1273: #define SEQ_WRPATCH2(patchx, len) \ 1274: (SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len)) 1275: 1276: #endif 1277:
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