int
oss_ioctl_audio(struct lwp *l, const struct oss_sys_ioctl_args *uap, register_t *retval)
{
/* {
syscallarg(int) fd;
syscallarg(u_long) com;
syscallarg(void *) data;
} */
file_t *fp;
u_long com;
struct audio_info tmpinfo;
struct audio_offset tmpoffs;
struct oss_audio_buf_info bufinfo;
struct oss_count_info cntinfo;
struct audio_encoding tmpenc;
u_int u;
int idat, idata;
int error = 0;
int (*ioctlf)(file_t *, u_long, void *);
if ((fp = fd_getfile(SCARG(uap, fd))) == NULL)
return (EBADF);
if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
error = EBADF;
goto out;
}
com = SCARG(uap, com);
DPRINTF(("oss_ioctl_audio: com=%08lx\n", com));
retval[0] = 0;
ioctlf = fp->f_ops->fo_ioctl;
switch (com) {
case OSS_SNDCTL_DSP_RESET:
error = ioctlf(fp, AUDIO_FLUSH, NULL);
if (error)
goto out;
break;
case OSS_SNDCTL_DSP_SYNC:
error = ioctlf(fp, AUDIO_DRAIN, NULL);
if (error)
goto out;
break;
case OSS_SNDCTL_DSP_POST:
/* This call is merely advisory, and may be a nop. */
break;
case OSS_SNDCTL_DSP_SPEED:
AUDIO_INITINFO(&tmpinfo);
error = copyin(SCARG(uap, data), &idat, sizeof idat);
if (error)
goto out;
tmpinfo.play.sample_rate =
tmpinfo.record.sample_rate = idat;
error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo);
DPRINTF(("oss_sys_ioctl: SNDCTL_DSP_SPEED %d = %d\n",
idat, error));
if (error)
goto out;
/* fall into ... */
case OSS_SOUND_PCM_READ_RATE:
error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo);
if (error)
goto out;
idat = tmpinfo.play.sample_rate;
error = copyout(&idat, SCARG(uap, data), sizeof idat);
if (error)
goto out;
break;
case OSS_SNDCTL_DSP_STEREO:
AUDIO_INITINFO(&tmpinfo);
error = copyin(SCARG(uap, data), &idat, sizeof idat);
if (error)
goto out;
tmpinfo.play.channels =
tmpinfo.record.channels = idat ? 2 : 1;
(void) ioctlf(fp, AUDIO_SETINFO, &tmpinfo);
error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo);
if (error)
goto out;
idat = tmpinfo.play.channels - 1;
error = copyout(&idat, SCARG(uap, data), sizeof idat);
if (error)
goto out;
break;
case OSS_SNDCTL_DSP_GETBLKSIZE:
error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo);
if (error)
goto out;
setblocksize(fp, &tmpinfo);
idat = tmpinfo.blocksize;
error = copyout(&idat, SCARG(uap, data), sizeof idat);
if (error)
goto out;
break;
case OSS_SNDCTL_DSP_SETFMT:
AUDIO_INITINFO(&tmpinfo);
error = copyin(SCARG(uap, data), &idat, sizeof idat);
if (error)
goto out;
switch (idat) {
case OSS_AFMT_MU_LAW:
tmpinfo.play.precision =
tmpinfo.record.precision = 8;
tmpinfo.play.encoding =
tmpinfo.record.encoding = AUDIO_ENCODING_ULAW;
break;
case OSS_AFMT_A_LAW:
tmpinfo.play.precision =
tmpinfo.record.precision = 8;
tmpinfo.play.encoding =
tmpinfo.record.encoding = AUDIO_ENCODING_ALAW;
break;
case OSS_AFMT_U8:
tmpinfo.play.precision =
tmpinfo.record.precision = 8;
tmpinfo.play.encoding =
tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR;
break;
case OSS_AFMT_S8:
tmpinfo.play.precision =
tmpinfo.record.precision = 8;
tmpinfo.play.encoding =
tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR;
break;
case OSS_AFMT_S16_LE:
tmpinfo.play.precision =
tmpinfo.record.precision = 16;
tmpinfo.play.encoding =
tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR_LE;
break;
case OSS_AFMT_S16_BE:
tmpinfo.play.precision =
tmpinfo.record.precision = 16;
tmpinfo.play.encoding =
tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR_BE;
break;
case OSS_AFMT_U16_LE:
tmpinfo.play.precision =
tmpinfo.record.precision = 16;
tmpinfo.play.encoding =
tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR_LE;
break;
case OSS_AFMT_U16_BE:
tmpinfo.play.precision =
tmpinfo.record.precision = 16;
tmpinfo.play.encoding =
tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR_BE;
break;
default:
error = EINVAL;
goto out;
}
(void) ioctlf(fp, AUDIO_SETINFO, &tmpinfo);
/* fall into ... */
case OSS_SOUND_PCM_READ_BITS:
error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo);
if (error)
goto out;
switch (tmpinfo.play.encoding) {
case AUDIO_ENCODING_ULAW:
idat = OSS_AFMT_MU_LAW;
break;
case AUDIO_ENCODING_ALAW:
idat = OSS_AFMT_A_LAW;
break;
case AUDIO_ENCODING_SLINEAR_LE:
if (tmpinfo.play.precision == 16)
idat = OSS_AFMT_S16_LE;
else
idat = OSS_AFMT_S8;
break;
case AUDIO_ENCODING_SLINEAR_BE:
if (tmpinfo.play.precision == 16)
idat = OSS_AFMT_S16_BE;
else
idat = OSS_AFMT_S8;
break;
case AUDIO_ENCODING_ULINEAR_LE:
if (tmpinfo.play.precision == 16)
idat = OSS_AFMT_U16_LE;
else
idat = OSS_AFMT_U8;
break;
case AUDIO_ENCODING_ULINEAR_BE:
if (tmpinfo.play.precision == 16)
idat = OSS_AFMT_U16_BE;
else
idat = OSS_AFMT_U8;
break;
case AUDIO_ENCODING_ADPCM:
idat = OSS_AFMT_IMA_ADPCM;
break;
}
error = copyout(&idat, SCARG(uap, data), sizeof idat);
if (error)
goto out;
break;
case OSS_SNDCTL_DSP_CHANNELS:
AUDIO_INITINFO(&tmpinfo);
error = copyin(SCARG(uap, data), &idat, sizeof idat);
if (error)
goto out;
tmpinfo.play.channels =
tmpinfo.record.channels = idat;
(void) ioctlf(fp, AUDIO_SETINFO, &tmpinfo);
/* fall into ... */
case OSS_SOUND_PCM_READ_CHANNELS:
error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo);
if (error)
goto out;
idat = tmpinfo.play.channels;
error = copyout(&idat, SCARG(uap, data), sizeof idat);
if (error)
goto out;
break;
case OSS_SOUND_PCM_WRITE_FILTER:
case OSS_SOUND_PCM_READ_FILTER:
error = EINVAL; /* XXX unimplemented */
goto out;
case OSS_SNDCTL_DSP_SUBDIVIDE:
error = copyin(SCARG(uap, data), &idat, sizeof idat);
if (error)
goto out;
error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo);
setblocksize(fp, &tmpinfo);
if (error)
goto out;
if (idat == 0)
idat = tmpinfo.play.buffer_size / tmpinfo.blocksize;
idat = (tmpinfo.play.buffer_size / idat) & -4;
AUDIO_INITINFO(&tmpinfo);
tmpinfo.blocksize = idat;
error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo);
if (error)
goto out;
idat = tmpinfo.play.buffer_size / tmpinfo.blocksize;
error = copyout(&idat, SCARG(uap, data), sizeof idat);
if (error)
goto out;
break;
case OSS_SNDCTL_DSP_SETFRAGMENT:
AUDIO_INITINFO(&tmpinfo);
error = copyin(SCARG(uap, data), &idat, sizeof idat);
if (error)
goto out;
if ((idat & 0xffff) < 4 || (idat & 0xffff) > 17) {
error = EINVAL;
goto out;
}
tmpinfo.blocksize = 1 << (idat & 0xffff);
tmpinfo.hiwat = (idat >> 16) & 0x7fff;
DPRINTF(("oss_audio: SETFRAGMENT blksize=%d, hiwat=%d\n",
tmpinfo.blocksize, tmpinfo.hiwat));
if (tmpinfo.hiwat == 0) /* 0 means set to max */
tmpinfo.hiwat = 65536;
(void) ioctlf(fp, AUDIO_SETINFO, &tmpinfo);
error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo);
if (error)
goto out;
u = tmpinfo.blocksize;
for(idat = 0; u > 1; idat++, u >>= 1)
;
idat |= (tmpinfo.hiwat & 0x7fff) << 16;
error = copyout(&idat, SCARG(uap, data), sizeof idat);
if (error)
goto out;
break;
case OSS_SNDCTL_DSP_GETFMTS:
for(idat = 0, tmpenc.index = 0;
ioctlf(fp, AUDIO_GETENC, &tmpenc) == 0;
tmpenc.index++) {
switch(tmpenc.encoding) {
case AUDIO_ENCODING_ULAW:
idat |= OSS_AFMT_MU_LAW;
break;
case AUDIO_ENCODING_ALAW:
idat |= OSS_AFMT_A_LAW;
break;
case AUDIO_ENCODING_SLINEAR:
idat |= OSS_AFMT_S8;
break;
case AUDIO_ENCODING_SLINEAR_LE:
if (tmpenc.precision == 16)
idat |= OSS_AFMT_S16_LE;
else
idat |= OSS_AFMT_S8;
break;
case AUDIO_ENCODING_SLINEAR_BE:
if (tmpenc.precision == 16)
idat |= OSS_AFMT_S16_BE;
else
idat |= OSS_AFMT_S8;
break;
case AUDIO_ENCODING_ULINEAR:
idat |= OSS_AFMT_U8;
break;
case AUDIO_ENCODING_ULINEAR_LE:
if (tmpenc.precision == 16)
idat |= OSS_AFMT_U16_LE;
else
idat |= OSS_AFMT_U8;
break;
case AUDIO_ENCODING_ULINEAR_BE:
if (tmpenc.precision == 16)
idat |= OSS_AFMT_U16_BE;
else
idat |= OSS_AFMT_U8;
break;
case AUDIO_ENCODING_ADPCM:
idat |= OSS_AFMT_IMA_ADPCM;
break;
default:
break;
}
}
DPRINTF(("oss_sys_ioctl: SNDCTL_DSP_GETFMTS = %x\n", idat));
error = copyout(&idat, SCARG(uap, data), sizeof idat);
if (error)
goto out;
break;
case OSS_SNDCTL_DSP_GETOSPACE:
error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo);
if (error)
goto out;
setblocksize(fp, &tmpinfo);
bufinfo.fragsize = tmpinfo.blocksize;
bufinfo.fragments = tmpinfo.hiwat -
(tmpinfo.play.seek + tmpinfo.blocksize - 1) /
tmpinfo.blocksize;
bufinfo.fragstotal = tmpinfo.hiwat;
bufinfo.bytes =
tmpinfo.hiwat * tmpinfo.blocksize - tmpinfo.play.seek;
error = copyout(&bufinfo, SCARG(uap, data), sizeof bufinfo);
if (error)
goto out;
break;
case OSS_SNDCTL_DSP_GETISPACE:
error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo);
if (error)
goto out;
setblocksize(fp, &tmpinfo);
bufinfo.fragsize = tmpinfo.blocksize;
bufinfo.fragments = tmpinfo.hiwat -
(tmpinfo.record.seek + tmpinfo.blocksize - 1) /
tmpinfo.blocksize;
bufinfo.fragstotal = tmpinfo.hiwat;
bufinfo.bytes =
tmpinfo.hiwat * tmpinfo.blocksize - tmpinfo.record.seek;
DPRINTF(("oss_sys_ioctl: SNDCTL_DSP_GETxSPACE = %d %d %d %d\n",
bufinfo.fragsize, bufinfo.fragments,
bufinfo.fragstotal, bufinfo.bytes));
error = copyout(&bufinfo, SCARG(uap, data), sizeof bufinfo);
if (error)
goto out;
break;
case OSS_SNDCTL_DSP_NONBLOCK:
idat = 1;
error = ioctlf(fp, FIONBIO, &idat);
if (error)
goto out;
break;
case OSS_SNDCTL_DSP_GETCAPS:
error = ioctlf(fp, AUDIO_GETPROPS, &idata);
if (error)
goto out;
idat = OSS_DSP_CAP_TRIGGER; /* pretend we have trigger */
if (idata & AUDIO_PROP_FULLDUPLEX)
idat |= OSS_DSP_CAP_DUPLEX;
if (idata & AUDIO_PROP_MMAP)
idat |= OSS_DSP_CAP_MMAP;
DPRINTF(("oss_sys_ioctl: SNDCTL_DSP_GETCAPS = %x\n", idat));
error = copyout(&idat, SCARG(uap, data), sizeof idat);
if (error)
goto out;
break;
#if 0
case OSS_SNDCTL_DSP_GETTRIGGER:
error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo);
if (error)
goto out;
idat = (tmpinfo.play.pause ? 0 : OSS_PCM_ENABLE_OUTPUT) |
(tmpinfo.record.pause ? 0 : OSS_PCM_ENABLE_INPUT);
error = copyout(&idat, SCARG(uap, data), sizeof idat);
if (error)
goto out;
break;
case OSS_SNDCTL_DSP_SETTRIGGER:
(void) ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo, p);
error = copyin(SCARG(uap, data), &idat, sizeof idat);
if (error)
goto out;
tmpinfo.play.pause = (idat & OSS_PCM_ENABLE_OUTPUT) == 0;
tmpinfo.record.pause = (idat & OSS_PCM_ENABLE_INPUT) == 0;
(void) ioctlf(fp, AUDIO_SETINFO, &tmpinfo);
error = copyout(&idat, SCARG(uap, data), sizeof idat);
if (error)
goto out;
break;
#else
case OSS_SNDCTL_DSP_GETTRIGGER:
case OSS_SNDCTL_DSP_SETTRIGGER:
/* XXX Do nothing for now. */
idat = OSS_PCM_ENABLE_OUTPUT;
error = copyout(&idat, SCARG(uap, data), sizeof idat);
goto out;
#endif
case OSS_SNDCTL_DSP_GETIPTR:
error = ioctlf(fp, AUDIO_GETIOFFS, &tmpoffs);
if (error)
goto out;
cntinfo.bytes = tmpoffs.samples;
cntinfo.blocks = tmpoffs.deltablks;
cntinfo.ptr = tmpoffs.offset;
error = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo);
if (error)
goto out;
break;
case OSS_SNDCTL_DSP_GETOPTR:
error = ioctlf(fp, AUDIO_GETOOFFS, &tmpoffs);
if (error)
goto out;
cntinfo.bytes = tmpoffs.samples;
cntinfo.blocks = tmpoffs.deltablks;
cntinfo.ptr = tmpoffs.offset;
error = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo);
if (error)
goto out;
break;
case OSS_SNDCTL_DSP_SETDUPLEX:
idat = 1;
error = ioctlf(fp, AUDIO_SETFD, &idat);
goto out;
case OSS_SNDCTL_DSP_MAPINBUF:
case OSS_SNDCTL_DSP_MAPOUTBUF:
case OSS_SNDCTL_DSP_SETSYNCRO:
error = EINVAL;
goto out;
case OSS_SNDCTL_DSP_GETODELAY:
error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo);
if (error)
goto out;
idat = tmpinfo.play.seek + tmpinfo.blocksize / 2;
error = copyout(&idat, SCARG(uap, data), sizeof idat);
if (error)
goto out;
break;
case OSS_SNDCTL_DSP_PROFILE:
/* This gives just a hint to the driver,
* implementing it as a NOP is ok
*/
break;
default:
error = EINVAL;
goto out;
}
out:
fd_putfile(SCARG(uap, fd));
return error;
}
static int
audio_ioctl(int fd, unsigned long com, void *argp)
{
struct audio_info tmpinfo;
struct audio_offset tmpoffs;
struct audio_buf_info bufinfo;
struct count_info cntinfo;
struct audio_encoding tmpenc;
struct audio_bufinfo tmpab;
u_long ldat;
u_int u;
int idat, idata;
int tempret, retval = 0, rerr = 0;
switch (com) {
case SNDCTL_DSP_RESET:
retval = ioctl(fd, AUDIO_FLUSH, 0);
rerr = errno;
break;
case SNDCTL_DSP_SYNC:
retval = ioctl(fd, AUDIO_DRAIN, 0);
rerr = errno;
break;
case SNDCTL_DSP_POST:
/* This call is merely advisory, and may be a nop. */
break;
case SNDCTL_DSP_SPEED:
AUDIO_INITINFO(&tmpinfo);
tmpinfo.play.sample_rate =
tmpinfo.record.sample_rate = INTARG;
retval = ioctl(fd, AUDIO_SETINFO, &tmpinfo);
rerr = errno;
/* FALLTHRU */
case SOUND_PCM_READ_RATE:
tempret = ioctl(fd, AUDIO_GETINFO, &tmpinfo);
if (retval >= 0) {
retval = tempret;
rerr = errno;
}
INTARG = tmpinfo.play.sample_rate;
break;
case SNDCTL_DSP_STEREO:
AUDIO_INITINFO(&tmpinfo);
tmpinfo.play.channels =
tmpinfo.record.channels = INTARG ? 2 : 1;
retval = ioctl(fd, AUDIO_SETINFO, &tmpinfo);
rerr = errno;
tempret = ioctl(fd, AUDIO_GETINFO, &tmpinfo);
if (retval >= 0) {
retval = tempret;
rerr = errno;
}
INTARG = tmpinfo.play.channels - 1;
break;
case SNDCTL_DSP_GETBLKSIZE:
retval = ioctl(fd, AUDIO_GETINFO, &tmpinfo);
rerr = errno;
setblocksize(fd, &tmpinfo);
INTARG = tmpinfo.blocksize;
break;
case SNDCTL_DSP_SETFMT:
AUDIO_INITINFO(&tmpinfo);
switch (INTARG) {
case AFMT_MU_LAW:
tmpinfo.play.precision =
tmpinfo.record.precision = 8;
tmpinfo.play.encoding =
tmpinfo.record.encoding = AUDIO_ENCODING_ULAW;
break;
case AFMT_A_LAW:
tmpinfo.play.precision =
tmpinfo.record.precision = 8;
tmpinfo.play.encoding =
tmpinfo.record.encoding = AUDIO_ENCODING_ALAW;
break;
case AFMT_U8:
tmpinfo.play.precision =
tmpinfo.record.precision = 8;
tmpinfo.play.encoding =
tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR;
break;
case AFMT_S8:
tmpinfo.play.precision =
tmpinfo.record.precision = 8;
tmpinfo.play.encoding =
tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR;
break;
case AFMT_S16_LE:
tmpinfo.play.precision =
tmpinfo.record.precision = 16;
tmpinfo.play.encoding =
tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR_LE;
break;
case AFMT_S16_BE:
tmpinfo.play.precision =
tmpinfo.record.precision = 16;
tmpinfo.play.encoding =
tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR_BE;
break;
case AFMT_U16_LE:
tmpinfo.play.precision =
tmpinfo.record.precision = 16;
tmpinfo.play.encoding =
tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR_LE;
break;
case AFMT_U16_BE:
tmpinfo.play.precision =
tmpinfo.record.precision = 16;
tmpinfo.play.encoding =
tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR_BE;
break;
default:
retval = -1;
rerr = EINVAL;
break;
}
if (retval == -1) {
break;
} else {
retval = ioctl(fd, AUDIO_SETINFO, &tmpinfo);
rerr = errno;
}
/* FALLTHRU */
case SOUND_PCM_READ_BITS:
(void) ioctl(fd, AUDIO_GETINFO, &tmpinfo);
switch (tmpinfo.play.encoding) {
case AUDIO_ENCODING_ULAW:
idat = AFMT_MU_LAW;
break;
case AUDIO_ENCODING_ALAW:
idat = AFMT_A_LAW;
break;
case AUDIO_ENCODING_SLINEAR_LE:
if (tmpinfo.play.precision == 16)
idat = AFMT_S16_LE;
else
idat = AFMT_S8;
break;
case AUDIO_ENCODING_SLINEAR_BE:
if (tmpinfo.play.precision == 16)
idat = AFMT_S16_BE;
else
idat = AFMT_S8;
break;
case AUDIO_ENCODING_ULINEAR_LE:
if (tmpinfo.play.precision == 16)
idat = AFMT_U16_LE;
else
idat = AFMT_U8;
break;
case AUDIO_ENCODING_ULINEAR_BE:
if (tmpinfo.play.precision == 16)
idat = AFMT_U16_BE;
else
idat = AFMT_U8;
break;
case AUDIO_ENCODING_ADPCM:
idat = AFMT_IMA_ADPCM;
break;
default:
idat = AFMT_MU_LAW; /* XXX default encoding */
break;
}
INTARG = idat;
break;
case SNDCTL_DSP_CHANNELS:
AUDIO_INITINFO(&tmpinfo);
tmpinfo.play.channels =
tmpinfo.record.channels = INTARG;
retval = ioctl(fd, AUDIO_SETINFO, &tmpinfo);
rerr = errno;
/* FALLTHRU */
case SOUND_PCM_READ_CHANNELS:
tempret = ioctl(fd, AUDIO_GETINFO, &tmpinfo);
if (retval >= 0) {
retval = tempret;
rerr = errno;
}
INTARG = tmpinfo.play.channels;
break;
case SOUND_PCM_WRITE_FILTER:
case SOUND_PCM_READ_FILTER:
rerr = EINVAL;
retval = -1; /* XXX unimplemented */
break;
case SNDCTL_DSP_SUBDIVIDE:
retval = ioctl(fd, AUDIO_GETINFO, &tmpinfo);
if (retval < 0)
return retval;
setblocksize(fd, &tmpinfo);
idat = INTARG;
if (idat == 0)
idat = tmpinfo.play.buffer_size / tmpinfo.blocksize;
idat = (tmpinfo.play.buffer_size / idat) & -4;
AUDIO_INITINFO(&tmpinfo);
tmpinfo.blocksize = idat;
retval = ioctl(fd, AUDIO_SETINFO, &tmpinfo);
if (retval < 0)
return retval;
INTARG = tmpinfo.play.buffer_size / tmpinfo.blocksize;
break;
case SNDCTL_DSP_SETFRAGMENT:
AUDIO_INITINFO(&tmpinfo);
idat = INTARG;
if ((idat & 0xffff) < 4 || (idat & 0xffff) > 17)
return EINVAL;
tmpinfo.blocksize = 1 << (idat & 0xffff);
tmpinfo.hiwat = ((unsigned)idat >> 16) & 0x7fff;
if (tmpinfo.hiwat == 0) /* 0 means set to max */
tmpinfo.hiwat = 65536;
retval = ioctl(fd, AUDIO_SETINFO, &tmpinfo);
rerr = errno;
tempret = ioctl(fd, AUDIO_GETINFO, &tmpinfo);
if (retval >= 0) {
retval = tempret;
rerr = errno;
}
u = tmpinfo.blocksize;
for(idat = 0; u > 1; idat++, u >>= 1)
;
idat |= (tmpinfo.hiwat & 0x7fff) << 16;
INTARG = idat;
break;
case SNDCTL_DSP_GETFMTS:
for(idat = 0, tmpenc.index = 0;
ioctl(fd, AUDIO_GETENC, &tmpenc) == 0;
tmpenc.index++) {
switch(tmpenc.encoding) {
case AUDIO_ENCODING_ULAW:
idat |= AFMT_MU_LAW;
break;
case AUDIO_ENCODING_ALAW:
idat |= AFMT_A_LAW;
break;
case AUDIO_ENCODING_SLINEAR:
idat |= AFMT_S8;
break;
case AUDIO_ENCODING_SLINEAR_LE:
if (tmpenc.precision == 16)
idat |= AFMT_S16_LE;
else
idat |= AFMT_S8;
break;
case AUDIO_ENCODING_SLINEAR_BE:
if (tmpenc.precision == 16)
idat |= AFMT_S16_BE;
else
idat |= AFMT_S8;
break;
case AUDIO_ENCODING_ULINEAR:
idat |= AFMT_U8;
break;
case AUDIO_ENCODING_ULINEAR_LE:
if (tmpenc.precision == 16)
idat |= AFMT_U16_LE;
else
idat |= AFMT_U8;
break;
case AUDIO_ENCODING_ULINEAR_BE:
if (tmpenc.precision == 16)
idat |= AFMT_U16_BE;
else
idat |= AFMT_U8;
break;
case AUDIO_ENCODING_ADPCM:
idat |= AFMT_IMA_ADPCM;
break;
default:
break;
}
}
INTARG = idat;
break;
case SNDCTL_DSP_GETOSPACE:
retval = ioctl(fd, AUDIO_GETPRINFO, &tmpab);
rerr = errno;
bufinfo.fragsize = tmpab.blksize;
bufinfo.fragstotal = tmpab.hiwat;
bufinfo.bytes = tmpab.hiwat * tmpab.blksize - tmpab.seek;
if (tmpab.blksize != 0)
bufinfo.fragments = bufinfo.bytes / tmpab.blksize;
else
bufinfo.fragments = 0;
*(struct audio_buf_info *)argp = bufinfo;
break;
case SNDCTL_DSP_GETISPACE:
retval = ioctl(fd, AUDIO_GETRRINFO, &tmpab);
rerr = errno;
bufinfo.fragsize = tmpab.blksize;
bufinfo.fragstotal = tmpab.hiwat;
bufinfo.bytes = tmpab.seek;
if (tmpab.blksize != 0 )
bufinfo.fragments = bufinfo.bytes / tmpab.blksize;
else
bufinfo.fragments = 0;
*(struct audio_buf_info *)argp = bufinfo;
break;
case SNDCTL_DSP_NONBLOCK:
idat = 1;
retval = ioctl(fd, FIONBIO, &idat);
rerr = errno;
break;
case SNDCTL_DSP_GETCAPS:
retval = ioctl(fd, AUDIO_GETPROPS, &idata);
rerr = errno;
idat = DSP_CAP_TRIGGER;
if (idata & AUDIO_PROP_FULLDUPLEX)
idat |= DSP_CAP_DUPLEX;
if (idata & AUDIO_PROP_MMAP)
idat |= DSP_CAP_MMAP;
INTARG = idat;
break;
case SNDCTL_DSP_SETTRIGGER:
idat = INTARG;
AUDIO_INITINFO(&tmpinfo);
if (idat & PCM_ENABLE_OUTPUT)
tmpinfo.play.pause = 0;
if (idat & PCM_ENABLE_INPUT)
tmpinfo.record.pause = 0;
retval = ioctl(fd, AUDIO_SETINFO, &tmpinfo);
rerr = errno;
/* FALLTHRU */
case SNDCTL_DSP_GETTRIGGER:
tempret = ioctl(fd, AUDIO_GETINFO, &tmpinfo);
if (retval >= 0) {
retval = tempret;
rerr = errno;
}
idat = (tmpinfo.play.pause ? 0 : PCM_ENABLE_OUTPUT) |
(tmpinfo.record.pause ? 0 : PCM_ENABLE_INPUT);
INTARG = idat;
break;
case SNDCTL_DSP_GETIPTR:
retval = ioctl(fd, AUDIO_GETIOFFS, &tmpoffs);
rerr = errno;
cntinfo.bytes = tmpoffs.samples;
cntinfo.blocks = tmpoffs.deltablks;
cntinfo.ptr = tmpoffs.offset;
*(struct count_info *)argp = cntinfo;
break;
case SNDCTL_DSP_GETOPTR:
retval = ioctl(fd, AUDIO_GETOOFFS, &tmpoffs);
rerr = errno;
cntinfo.bytes = tmpoffs.samples;
cntinfo.blocks = tmpoffs.deltablks;
cntinfo.ptr = tmpoffs.offset;
*(struct count_info *)argp = cntinfo;
break;
case SNDCTL_DSP_SETDUPLEX:
idat = 1;
retval = ioctl(fd, AUDIO_SETFD, &idat);
rerr = errno;
break;
case SNDCTL_DSP_GETODELAY:
retval = ioctl(fd, AUDIO_WSEEK, &ldat);
INTARG = (int)ldat;
break;
case SNDCTL_DSP_MAPINBUF:
case SNDCTL_DSP_MAPOUTBUF:
case SNDCTL_DSP_SETSYNCRO:
case SNDCTL_DSP_PROFILE:
rerr = EINVAL;
retval = -1; /* XXX unimplemented */
break;
default:
rerr = EINVAL;
retval = -1;
break;
}
errno = rerr;
return retval;
}
