-/* $OpenBSD: linux_audio.c,v 1.2 1996/04/18 21:21:38 niklas Exp $ */
+/* $OpenBSD: linux_audio.c,v 1.3 1996/09/16 15:34:27 mickey Exp $ */
#include <sys/param.h>
#include <sys/proc.h>
if (error)
return error;
break;
+ case LINUX_SNDCTL_DSP_WRITE_CHANNELS:
+ AUDIO_INITINFO(&tmpinfo);
+ error = copyin(SCARG(uap, data), &idat, sizeof idat);
+ if (error)
+ return error;
+ tmpinfo.play.channels = idat;
+ (void) (*fp->f_ops->fo_ioctl)(fp, AUDIO_SETINFO, (caddr_t)&tmpinfo, p);
+ error = (*fp->f_ops->fo_ioctl)(fp, AUDIO_GETINFO, (caddr_t)&tmpinfo, p);
+ if (error)
+ return error;
+ idat = tmpinfo.play.channels;
+ error = copyout(&idat, SCARG(uap, data), sizeof idat);
+ if (error)
+ return error;
+ break;
case LINUX_SNDCTL_DSP_STEREO:
AUDIO_INITINFO(&tmpinfo);
error = copyin(SCARG(uap, data), &idat, sizeof idat);
error = (*fp->f_ops->fo_ioctl)(fp, AUDIO_GETINFO, (caddr_t)&tmpinfo, p);
if (error)
return error;
- /*XXXX*/
+ switch(tmpinfo.play.encoding) {
+ case AUDIO_ENCODING_LINEAR:
+ if (tmpinfo.play.precision == 8)
+ idat = LINUX_AFMT_U8;
+ else if (tmpinfo.play.precision == 16)
+ idat = LINUX_AFMT_S16_LE;
+ else return EINVAL;
+ break;
+ case AUDIO_ENCODING_ULAW:
+ idat = LINUX_AFMT_MU_LAW;
+ break;
+ case AUDIO_ENCODING_ALAW:
+ idat = LINUX_AFMT_A_LAW;
+ break;
+ default:
+ return EINVAL;
+ }
+ error = copyout(&idat, SCARG(uap, data), sizeof idat);
+ if (error)
+ return error;
break;
case LINUX_SNDCTL_DSP_SETFRAGMENT:
AUDIO_INITINFO(&tmpinfo);
-/* $OpenBSD: linux_audio.h,v 1.2 1996/04/18 21:21:38 niklas Exp $ */
+/* $OpenBSD: linux_audio.h,v 1.3 1996/09/16 15:34:28 mickey Exp $ */
#define LINUX_IOCPARM_MASK 0x7f /* parameters must be < 128 bytes */
#define LINUX_IOC_VOID 0x00000000 /* no parameters */
#define LINUX_SNDCTL_DSP_STEREO _LINUX_IOWR('P', 3, int)
#define LINUX_SNDCTL_DSP_GETBLKSIZE _LINUX_IOWR('P', 4, int)
#define LINUX_SNDCTL_DSP_SETFMT _LINUX_IOWR('P', 5, int)
+#define LINUX_SNDCTL_DSP_WRITE_CHANNELS _LINUX_IOWR('P', 6, int)
#define LINUX_SNDCTL_DSP_POST _LINUX_IO('P', 8)
#define LINUX_SNDCTL_DSP_SETFRAGMENT _LINUX_IOWR('P', 10, int)
#define LINUX_SNDCTL_DSP_GETFMTS _LINUX_IOR('P', 11, int)