diff options
| -rw-r--r-- | winsup/cygwin/ChangeLog | 17 | ||||
| -rw-r--r-- | winsup/cygwin/Makefile.in | 11 | ||||
| -rw-r--r-- | winsup/cygwin/autoload.cc | 36 | ||||
| -rw-r--r-- | winsup/cygwin/dtable.cc | 3 | ||||
| -rw-r--r-- | winsup/cygwin/fhandler.h | 25 | ||||
| -rw-r--r-- | winsup/cygwin/fhandler_dsp.cc | 604 | ||||
| -rw-r--r-- | winsup/cygwin/include/sys/soundcard.h | 1287 | ||||
| -rw-r--r-- | winsup/cygwin/path.cc | 7 |
8 files changed, 1979 insertions, 11 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index e429735..76dbfd1 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,20 @@ +Sun Apr 15 23:23:29 2001 Christopher Faylor <cgf@cygnus.com> + + * autoload.cc: Add winmm functions needed by fhandler_dsp.cc. + +Sun Apr 15 22:53:52 2001 Andy Younger <andylyounger@hotmail.com> + + * fhandler_dsp.cc: New file. Implements OSS like /dev/dsp. + * include/sys/soundcard.h: New file. User land includes for OSS + /dev/dsp. + * fhandler.h: Add new class fhandler_dev_dsp and a FH_OSS_DSP + definition. + * dtable.cc (dtable::build_fhandler): Allow creation of the /dev/dsp + device. + * path.cc (windows_device_names): Add /dev/dsp into list of device + names. + * Makefile.in (DLL_OFILES): Add fhandler_dsp.o. + Sun Apr 15 16:36:27 2001 Christopher Faylor <cgf@cygnus.com> * uname.c (uname): Default n in in86 to 6 if Windows returns > 6. diff --git a/winsup/cygwin/Makefile.in b/winsup/cygwin/Makefile.in index 456c894..438ff5f 100644 --- a/winsup/cygwin/Makefile.in +++ b/winsup/cygwin/Makefile.in @@ -114,11 +114,10 @@ EXTRA_OFILES=$(bupdir1)/libiberty/random.o $(bupdir1)/libiberty/strsignal.o DLL_IMPORTS:=$(w32api_lib)/libkernel32.a DLL_OFILES:=assert.o autoload.o cygheap.o dcrt0.o debug.o delqueue.o dir.o \ - dlfcn.o \ - dll_init.o dtable.o environ.o errno.o exceptions.o exec.o external.o \ - fcntl.o fhandler.o fhandler_clipboard.o fhandler_console.o \ - fhandler_floppy.o fhandler_mem.o fhandler_random.o fhandler_raw.o \ - fhandler_serial.o fhandler_socket.o fhandler_tape.o \ + dlfcn.o dll_init.o dtable.o environ.o errno.o exceptions.o exec.o \ + external.o fcntl.o fhandler.o fhandler_clipboard.o fhandler_console.o \ + fhandler_dsp.o fhandler_floppy.o fhandler_mem.o fhandler_random.o \ + fhandler_raw.o fhandler_serial.o fhandler_socket.o fhandler_tape.o \ fhandler_termios.o fhandler_tty.o fhandler_windows.o fhandler_zero.o \ fork.o glob.o grp.o heap.o init.o ioctl.o localtime.o malloc.o \ miscfuncs.o mmap.o net.o ntea.o passwd.o path.o pinfo.o pipe.o poll.o \ @@ -190,7 +189,7 @@ new-$(LIB_NAME): $(LIB_NAME) new-$(DLL_NAME): $(DLL_OFILES) $(DEF_FILE) $(DLL_IMPORTS) $(LIBC) $(LIBM) Makefile winver_stamp $(CXX) $(CXXFLAGS) -nostdlib -Wl,-shared -o $@ -e $(DLL_ENTRY) $(DEF_FILE) $(DLL_OFILES) version.o \ - winver.o $(DLL_IMPORTS) $(MALLOC_OBJ) $(LIBM) $(LIBC) -lstdc++ -lshell32 -luuid -lgcc + winver.o $(DLL_IMPORTS) $(MALLOC_OBJ) $(LIBM) $(LIBC) -lstdc++ -lgcc -lshell32 -luuid dll_ofiles: $(DLL_OFILES) diff --git a/winsup/cygwin/autoload.cc b/winsup/cygwin/autoload.cc index 831414b..8a99ea5 100644 --- a/winsup/cygwin/autoload.cc +++ b/winsup/cygwin/autoload.cc @@ -102,6 +102,8 @@ LoadDLLinitfunc (netapi32) netapi32_handle = h; else if (! netapi32_handle) api_fatal ("could not load netapi32.dll. %d", GetLastError ()); + + InterlockedDecrement (&here); return 0; } @@ -228,19 +230,38 @@ LoadDLLinitfunc (ole32) LoadDLLinitfunc (kernel32) { - extern void wsock_init (); HANDLE h; if ((h = LoadLibrary ("kernel32.dll")) != NULL) kernel32_handle = h; else if (!kernel32_handle) - api_fatal ("could not load wsock32.dll. Is TCP/IP installed?"); + api_fatal ("could not load kernel32.dll, %E"); else return 0; /* Already done by another thread? */ return 0; } +LoadDLLinitfunc (winmm) +{ + HANDLE h; + static NO_COPY LONG here = -1L; + + while (InterlockedIncrement (&here)) + { + InterlockedDecrement (&here); + Sleep (0); + } + + if ((h = LoadLibrary ("winmm.dll")) != NULL) + winmm_handle = h; + else if (! winmm_handle) + api_fatal ("could not load winmm.dll. %d", GetLastError ()); + + InterlockedDecrement (&here); + return 0; +} + static void __stdcall dummy_autoload (void) __attribute__ ((unused)); static void __stdcall dummy_autoload (void) @@ -396,5 +417,16 @@ LoadDLLfunc (CoCreateInstance, 20, ole32) LoadDLLinit (kernel32) LoadDLLfuncEx (SignalObjectAndWait, 16, kernel32, 1) + +LoadDLLinit (winmm) +LoadDLLfuncEx (waveOutGetNumDevs, 0, winmm, 1) +LoadDLLfuncEx (waveOutOpen, 24, winmm, 1) +LoadDLLfuncEx (waveOutReset, 4, winmm, 1) +LoadDLLfuncEx (waveOutClose, 4, winmm, 1) +LoadDLLfuncEx (waveOutGetVolume, 8, winmm, 1) +LoadDLLfuncEx (waveOutSetVolume, 8, winmm, 1) +LoadDLLfuncEx (waveOutUnprepareHeader, 12, winmm, 1) +LoadDLLfuncEx (waveOutPrepareHeader, 12, winmm, 1) +LoadDLLfuncEx (waveOutWrite, 12, winmm, 1) } } diff --git a/winsup/cygwin/dtable.cc b/winsup/cygwin/dtable.cc index 4c39035..b67949f 100644 --- a/winsup/cygwin/dtable.cc +++ b/winsup/cygwin/dtable.cc @@ -316,6 +316,9 @@ dtable::build_fhandler (int fd, DWORD dev, const char *name, int unit) case FH_CLIPBOARD: fh = new (buf) fhandler_dev_clipboard (name); break; + case FH_OSS_DSP: + fh = new (buf) fhandler_dev_dsp (name); + break; default: /* FIXME - this could recurse forever */ return build_fhandler (fd, name, NULL); diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h index 32ccacc..f99b093 100644 --- a/winsup/cygwin/fhandler.h +++ b/winsup/cygwin/fhandler.h @@ -88,7 +88,7 @@ enum FH_PIPEW = 0x0000000a, /* write end of a pipe */ FH_SOCKET = 0x0000000b, /* is a socket */ FH_WINDOWS = 0x0000000c, /* is a window */ - + FH_OSS_DSP = 0x0000000d, /* is the dsp audio device */ FH_SLOW = 0x00000010, /* "slow" device if below this */ /* Fast devices */ @@ -941,6 +941,29 @@ public: int ready_for_read (int fd, DWORD howlong, int ignra); }; +class fhandler_dev_dsp : public fhandler_base +{ +private: + int audioformat_; + int audiofreq_; + int audiobits_; + int audiochannels_; + bool setupwav(const char *pData, int nBytes); + +public: + fhandler_dev_dsp (const char *name = 0); + ~fhandler_dev_dsp(); + + int open (const char *path, int flags, mode_t mode = 0); + int write (const void *ptr, size_t len); + int read (void *ptr, size_t len); + int ioctl (unsigned int cmd, void *); + off_t lseek (off_t, int); + int close (void); + int dup (fhandler_base * child); + void dump (void); +}; + #if 0 /* You can't do this */ typedef union diff --git a/winsup/cygwin/fhandler_dsp.cc b/winsup/cygwin/fhandler_dsp.cc new file mode 100644 index 0000000..88cdd30 --- /dev/null +++ b/winsup/cygwin/fhandler_dsp.cc @@ -0,0 +1,604 @@ +/* fhandler_dev_dsp: code to emulate OSS sound model /dev/dsp + + Copyright 2001 Red Hat, Inc + + Written by Andy Younger (andy@snoogie.demon.co.uk) + +This file is part of Cygwin. + +This software is a copyrighted work licensed under the terms of the +Cygwin license. Please consult the file "CYGWIN_LICENSE" for +details. */ + +#include "winsup.h" +#include <stdio.h> +#include <errno.h> +#include "cygerrno.h" +#include "fhandler.h" +#include <windows.h> +#include <sys/soundcard.h> +#include <sys/fcntl.h> +#include <mmsystem.h> + +//------------------------------------------------------------------------ +// Simple encapsulation of the win32 audio device. +// +static void CALLBACK wave_callback(HWAVE hWave, UINT msg, DWORD instance, + DWORD param1, DWORD param2); +class Audio +{ +public: + enum { MAX_BLOCKS = 8, BLOCK_SIZE = 16384 }; + + Audio (); + ~Audio (); + + bool open (int rate, int bits, int channels, bool bCallback = false); + void close (); + int getvolume (); + void setvolume (int newVolume); + bool write (const void *pSampleData, int nBytes); + int blocks (); + void callback_sampledone (void *pData); + + int numbytesoutput (); + +private: + char *initialisebuffer (); + void waitforcallback (); + bool flush (); + + HWAVEOUT dev_; + volatile int nBlocksInQue_; + int nBytesWritten_; + char *buffer_; + int bufferIndex_; + CRITICAL_SECTION lock_; + char *freeblocks_[MAX_BLOCKS]; + + char bigwavebuffer_[MAX_BLOCKS * BLOCK_SIZE]; +}; + +Audio::Audio() +{ + int size = BLOCK_SIZE + sizeof(WAVEHDR); + + InitializeCriticalSection(&lock_); + memset(freeblocks_, 0, sizeof(freeblocks_)); + for (int i = 0; i < MAX_BLOCKS; i++) + { + char *pBuffer = &bigwavebuffer_[ i * size ]; + memset(pBuffer, 0, size); + freeblocks_[i] = pBuffer; + } +} + +Audio::~Audio() +{ + if (dev_) + close(); + DeleteCriticalSection(&lock_); +} + +bool +Audio::open(int rate, int bits, int channels, bool bCallback = false) +{ + WAVEFORMATEX format; + int nDevices = waveOutGetNumDevs(); + + nBytesWritten_ = 0L; + bufferIndex_ = 0; + buffer_ = 0L; + debug_printf("number devices %d\n", nDevices); + if (nDevices <= 0) + return false; + + debug_printf("trying to map device freq %d, bits %d, " + "channels %d, callback %d\n", rate, bits, channels, + bCallback); + + int bytesperSample = bits / 8; + + memset(&format, 0, sizeof(format)); + format.wFormatTag = WAVE_FORMAT_PCM; + format.wBitsPerSample = bits; + format.nChannels = channels; + format.nSamplesPerSec = rate; + format.nAvgBytesPerSec = format.nSamplesPerSec * format.nChannels * + bytesperSample; + format.nBlockAlign = format.nChannels * bytesperSample; + + nBlocksInQue_ = 0; + HRESULT res = waveOutOpen(&dev_, WAVE_MAPPER, &format, (DWORD)wave_callback, + (DWORD)this, bCallback ? CALLBACK_FUNCTION : 0); + if (res == S_OK) + { + debug_printf("Sucessfully opened!"); + return true; + } + else + { + debug_printf("failed to open"); + return false; + } +} + +void +Audio::close() +{ + if (dev_) + { + flush(); // force out last block whatever size.. + + while (blocks()) // block till finished.. + waitforcallback(); + + waveOutReset(dev_); + waveOutClose(dev_); + dev_ = 0L; + } + nBytesWritten_ = 0L; +} + +int +Audio::numbytesoutput() +{ + return nBytesWritten_; +} + +int +Audio::getvolume() +{ + DWORD volume; + + waveOutGetVolume(dev_, &volume); + return ((volume >> 16) + (volume & 0xffff)) >> 1; +} + +void +Audio::setvolume(int newVolume) +{ + waveOutSetVolume(dev_, (newVolume<<16)|newVolume); +} + +char * +Audio::initialisebuffer() +{ + EnterCriticalSection(&lock_); + WAVEHDR *pHeader = 0L; + for (int i = 0; i < MAX_BLOCKS; i++) + { + char *pData = freeblocks_[i]; + if (pData) + { + pHeader = (WAVEHDR *)pData; + if (pHeader->dwFlags & WHDR_DONE) + { + waveOutUnprepareHeader(dev_, pHeader, sizeof(WAVEHDR)); + } + freeblocks_[i] = 0L; + break; + } + } + LeaveCriticalSection(&lock_); + + if (pHeader) + { + memset(pHeader, 0, sizeof(WAVEHDR)); + pHeader->dwBufferLength = BLOCK_SIZE; + pHeader->lpData = (LPSTR)(&pHeader[1]); + return (char *)pHeader->lpData; + } + return 0L; +} + +bool +Audio::write(const void *pSampleData, int nBytes) +{ + // split up big blocks into smaller BLOCK_SIZE chunks + while (nBytes > BLOCK_SIZE) + { + write(pSampleData, BLOCK_SIZE); + nBytes -= BLOCK_SIZE; + pSampleData = (void *)((char *)pSampleData + BLOCK_SIZE); + } + + // Block till next sound is flushed + if (blocks() == MAX_BLOCKS) + waitforcallback(); + + // Allocate new wave buffer if necessary + if (buffer_ == 0L) + { + buffer_ = initialisebuffer(); + if (buffer_ == 0L) + return false; + } + + + // Handle gathering blocks into larger buffer + int sizeleft = BLOCK_SIZE - bufferIndex_; + if (nBytes < sizeleft) + { + memcpy(&buffer_[bufferIndex_], pSampleData, nBytes); + bufferIndex_ += nBytes; + nBytesWritten_ += nBytes; + return true; + } + + // flushing when we reach our limit of BLOCK_SIZE + memcpy(&buffer_[bufferIndex_], pSampleData, sizeleft); + bufferIndex_ += sizeleft; + nBytesWritten_ += sizeleft; + flush(); + + // change pointer to rest of sample, and size accordingly + pSampleData = (void *)((char *)pSampleData + sizeleft); + nBytes -= sizeleft; + + // if we still have some sample left over write it out + if (nBytes) + return write(pSampleData, nBytes); + + return true; +} + +// return number of blocks back. +int +Audio::blocks() +{ + EnterCriticalSection(&lock_); + int ret = nBlocksInQue_; + LeaveCriticalSection(&lock_); + return ret; +} + +// This is called on an interupt so use locking.. Note nBlocksInQue_ is +// modified by it so we should wrap all references to it in locks. +void +Audio::callback_sampledone(void *pData) +{ + EnterCriticalSection(&lock_); + + nBlocksInQue_--; + for (int i = 0; i < MAX_BLOCKS; i++) + if (!freeblocks_[i]) + { + freeblocks_[i] = (char *)pData; + break; + } + + LeaveCriticalSection(&lock_); +} + +void +Audio::waitforcallback() +{ + int n = blocks(); + if (!n) + return; + do + { + Sleep(250); + } + while (n == blocks()); +} + +bool +Audio::flush() +{ + if (!buffer_) + return false; + + // Send internal buffer out to the soundcard + WAVEHDR *pHeader = ((WAVEHDR *)buffer_) - 1; + pHeader->dwBufferLength = bufferIndex_; + if (waveOutPrepareHeader(dev_, pHeader, sizeof(WAVEHDR)) == S_OK && + waveOutWrite(dev_, pHeader, sizeof (WAVEHDR)) == S_OK) + { + EnterCriticalSection(&lock_); + nBlocksInQue_++; + LeaveCriticalSection(&lock_); + bufferIndex_ = 0; + buffer_ = 0L; + return true; + } + else + { + EnterCriticalSection(&lock_); + for (int i = 0; i < MAX_BLOCKS; i++) + if (!freeblocks_[i]) + { + freeblocks_[i] = (char *)pHeader; + break; + } + LeaveCriticalSection(&lock_); + } + return false; +} + +//------------------------------------------------------------------------ +// Call back routine +static void CALLBACK +wave_callback(HWAVE hWave, UINT msg, DWORD instance, DWORD param1, DWORD param2) +{ + if (msg == WOM_DONE) + { + Audio *ptr = (Audio *)instance; + ptr->callback_sampledone((void *)param1); + } +} + +//------------------------------------------------------------------------ +// /dev/dsp handler +static Audio s_audio; // static instance of the Audio handler + +//------------------------------------------------------------------------ +// wav file detection.. +#pragma pack(1) +struct wavchunk +{ + char id[4]; + unsigned int len; +}; +struct wavformat +{ + unsigned short wFormatTag; + unsigned short wChannels; + unsigned int dwSamplesPerSec; + unsigned int dwAvgBytesPerSec; + unsigned short wBlockAlign; + unsigned short wBitsPerSample; +}; +#pragma pack() + +bool +fhandler_dev_dsp::setupwav(const char *pData, int nBytes) +{ + int len; + const char *end = pData + nBytes; + + if (!(pData[0] == 'R' && pData[1] == 'I' && + pData[2] == 'F' && pData[3] == 'F')) + return false; + if (!(pData[8] == 'W' && pData[9] == 'A' && + pData[10] == 'V' && pData[11] == 'E')) + return false; + + len = *(int *)&pData[4]; + pData += 12; + while (len && pData < end) + { + wavchunk *pChunk = (wavchunk *)pData; + int blklen = pChunk->len; + if (pChunk->id[0] == 'f' && pChunk->id[1] == 'm' && + pChunk->id[2] == 't' && pChunk->id[3] == ' ') + { + wavformat *format = (wavformat *)(pChunk+1); + if ((char *)(format+1) > end) + return false; + + // Open up audio device with correct frequency for wav file + // + // FIXME: should through away all the header & not output + // it to the soundcard. + s_audio.close(); + if (s_audio.open(format->dwSamplesPerSec, format->wBitsPerSample, + format->wChannels) == false) + { + s_audio.open(audiofreq_, audiobits_, audiochannels_); + } + else + { + audiofreq_ = format->dwSamplesPerSec; + audiobits_ = format->wBitsPerSample; + audiochannels_ = format->wChannels; + } + return true; + } + + pData += blklen + sizeof(wavchunk); + } + return false; +} + +//------------------------------------------------------------------------ +fhandler_dev_dsp::fhandler_dev_dsp (const char *name) + : fhandler_base (FH_OSS_DSP, name) +{ + set_cb (sizeof *this); +} + +fhandler_dev_dsp::~fhandler_dev_dsp() +{ +} + +int +fhandler_dev_dsp::open (const char *path, int flags, mode_t mode = 0) +{ + // currently we only support writing + if ((flags & (O_WRONLY|O_RDONLY|O_RDWR)) != O_WRONLY) + return 0; + + set_flags(flags); + + // Work out initial sample format & frequency + if (strcmp(path, "/dev/dsp") == 0L) + { + // dev/dsp defaults + audioformat_ = AFMT_S8; + audiofreq_ = 8000; + audiobits_ = 8; + audiochannels_ = 1; + } + + if (s_audio.open(audiofreq_, audiobits_, audiochannels_)) + debug_printf("/dev/dsp: successfully opened\n"); + else + debug_printf("/dev/dsp: failed to open\n"); + return 1; +} + +int +fhandler_dev_dsp::write (const void *ptr, size_t len) +{ + if (s_audio.numbytesoutput() == 0) + { + // check for wave file & setup frequencys properly if possible. + setupwav((const char *)ptr, len); + + // Open audio device properly with callbacks. + s_audio.close(); + if (!s_audio.open(audiofreq_, audiobits_, audiochannels_, true)) + return 0; + } + + s_audio.write(ptr, len); + return len; +} + +int +fhandler_dev_dsp::read (void *ptr, size_t len) +{ + return len; +} + +off_t +fhandler_dev_dsp::lseek (off_t offset, int whence) +{ + return 0; +} + +int +fhandler_dev_dsp::close (void) +{ + s_audio.close(); + return 0; +} + +int +fhandler_dev_dsp::dup (fhandler_base * child) +{ + fhandler_dev_dsp *fhc = (fhandler_dev_dsp *)child; + + fhc->set_flags(get_flags()); + fhc->audiochannels_ = audiochannels_; + fhc->audiobits_ = audiobits_; + fhc->audiofreq_ = audiofreq_; + fhc->audioformat_ = audioformat_; + return 0; +} + +int +fhandler_dev_dsp::ioctl(unsigned int cmd, void *ptr) +{ + int *intptr = (int *)ptr; + switch (cmd) + { + #define CASE(a) case a : debug_printf("/dev/dsp: ioctl %s\n", #a); + + CASE(SNDCTL_DSP_RESET) + audioformat_ = AFMT_S8; + audiofreq_ = 8000; + audiobits_ = 8; + audiochannels_ = 1; + return 1; + + CASE(SNDCTL_DSP_GETBLKSIZE) + *intptr = Audio::BLOCK_SIZE; + break; + + CASE(SNDCTL_DSP_SETFMT) + { + int nBits = 0; + if (*intptr == AFMT_S16_LE) + nBits = 16; + else if (*intptr == AFMT_S8) + nBits = 8; + if (nBits) + { + s_audio.close(); + if (s_audio.open(audiofreq_, nBits, audiochannels_) == true) + { + audiobits_ = nBits; + return 1; + } + else + { + s_audio.open(audiofreq_, audiobits_, audiochannels_); + return -1; + } + } + } break; + + CASE(SNDCTL_DSP_SPEED) + s_audio.close(); + if (s_audio.open(*intptr, audiobits_, audiochannels_) == true) + { + audiofreq_ = *intptr; + return 1; + } + else + { + s_audio.open(audiofreq_, audiobits_, audiochannels_); + return -1; + } + break; + + CASE(SNDCTL_DSP_STEREO) + { + int nChannels = *intptr + 1; + + s_audio.close(); + if (s_audio.open(audiofreq_, audiobits_, nChannels) == true) + { + audiochannels_ = nChannels; + return 1; + } + else + { + s_audio.open(audiofreq_, audiobits_, audiochannels_); + return -1; + } + } break; + + CASE(SNDCTL_DSP_GETOSPACE) + { + audio_buf_info *p = (audio_buf_info *)ptr; + + int nBlocks = s_audio.blocks(); + int leftblocks = ((Audio::MAX_BLOCKS - nBlocks)-1); + if (leftblocks < 0) leftblocks = 0; + if (leftblocks > 1) + leftblocks = 1; + int left = leftblocks * Audio::BLOCK_SIZE; + + p->fragments = leftblocks; + p->fragstotal = Audio::MAX_BLOCKS; + p->fragsize = Audio::BLOCK_SIZE; + p->bytes = left; + + debug_printf("ptr: %p " + "nblocks: %d " + "leftblocks: %d " + "left bytes: %d ", ptr, nBlocks, leftblocks, left); + + + return 1; + } break; + + default: + debug_printf("/dev/dsp: ioctl not handled yet! FIXME:\n"); + break; + + #undef CASE + }; + return -1; +} + +void +fhandler_dev_dsp::dump () +{ + paranoid_printf("here, fhandler_dev_dsp"); +} + diff --git a/winsup/cygwin/include/sys/soundcard.h b/winsup/cygwin/include/sys/soundcard.h new file mode 100644 index 0000000..1a40bff --- /dev/null +++ b/winsup/cygwin/include/sys/soundcard.h @@ -0,0 +1,1287 @@ +#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> + +/* + * 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 + */ + +#if defined(_AIX) || defined(AIX) || defined(sparc) || defined(__sparc__) || defined(HPPA) || defined(PPC) +/* Big endian machines */ +# define _PATCHKEY(id) (0xfd00|id) +# define AFMT_S16_NE AFMT_S16_BE +#else +# define _PATCHKEY(id) ((id<<8)|0xfd) +# define AFMT_S16_NE AFMT_S16_LE +#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 + +/* + * 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(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. + */ +#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() + +void seqbuf_dump(void); /* This function must be provided by programs */ + +extern int OSS_init(int seqfd, int buflen); +extern void OSS_seqbuf_dump(int fd, unsigned char *buf, int buflen); +extern void OSS_seq_advbuf(int len, int fd, unsigned char *buf, int buflen); +extern void OSS_seq_needbuf(int len, int fd, unsigned char *buf, int buflen); +extern void OSS_patch_caching(int dev, int chn, int patch, + int fd, unsigned char *buf, int buflen); +extern void OSS_drum_caching(int dev, int chn, int patch, + int fd, unsigned char *buf, int buflen); +extern void OSS_write_patch(int fd, unsigned char *buf, int len); +extern int OSS_write_patch2(int fd, unsigned char *buf, int len); + +#define SEQ_PM_DEFINES int __foo_bar___ +#ifdef OSSLIB +# define SEQ_USE_EXTBUF() \ + extern unsigned char *_seqbuf; \ + extern int _seqbuflen;extern int _seqbufptr +# define SEQ_DEFINEBUF(len) SEQ_USE_EXTBUF();static int _requested_seqbuflen=len +# define _SEQ_ADVBUF(len) OSS_seq_advbuf(len, seqfd, _seqbuf, _seqbuflen) +# define _SEQ_NEEDBUF(len) OSS_seq_needbuf(len, seqfd, _seqbuf, _seqbuflen) +# define SEQ_DUMPBUF() OSS_seqbuf_dump(seqfd, _seqbuf, _seqbuflen) + +# define SEQ_LOAD_GMINSTR(dev, instr) \ + OSS_patch_caching(dev, -1, instr, seqfd, _seqbuf, _seqbuflen) +# define SEQ_LOAD_GMDRUM(dev, drum) \ + OSS_drum_caching(dev, -1, drum, seqfd, _seqbuf, _seqbuflen) +#else /* !OSSLIB */ + +# define SEQ_LOAD_GMINSTR(dev, instr) +# define SEQ_LOAD_GMDRUM(dev, drum) + +# define SEQ_USE_EXTBUF() \ + extern unsigned char _seqbuf[]; \ + extern int _seqbuflen;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 +#endif /* !OSSLIB */ + +#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 +#ifdef OSSLIB +# define SEQ_PGM_CHANGE(dev, chn, patch) \ + {OSS_patch_caching(dev, chn, patch, seqfd, _seqbuf, _seqbuflen); \ + _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0);} +#else +# define SEQ_PGM_CHANGE(dev, chn, patch) \ + _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) +#endif + +#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. + */ +#ifdef OSSLIB +# define SEQ_WRPATCH(patchx, len) \ + OSS_write_patch(seqfd, (char*)(patchx), len) +# define SEQ_WRPATCH2(patchx, len) \ + OSS_write_patch2(seqfd, (char*)(patchx), len) +#else +# 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 +#endif diff --git a/winsup/cygwin/path.cc b/winsup/cygwin/path.cc index 1bf126f..b7a6705 100644 --- a/winsup/cygwin/path.cc +++ b/winsup/cygwin/path.cc @@ -535,8 +535,9 @@ const char *windows_device_names[] = "\\dev\\pipew", "\\dev\\socket", "\\dev\\windows", - - NULL, NULL, NULL, + "\\dev\\dsp", + + NULL, NULL, "\\dev\\disk", "\\dev\\fd%d", @@ -602,6 +603,8 @@ get_device_number (const char *name, int &unit, BOOL from_conv) devn = FH_PTYM; else if (deveq ("windows")) devn = FH_WINDOWS; + else if (deveq ("dsp")) + devn = FH_OSS_DSP; else if (deveq ("conin")) devn = FH_CONIN; else if (deveq ("conout")) |