48bae9ee88
the /dev/rmidiN devices, or with a sequencer interface via /dev/music. So far the only supported MIDI device is the MPU401 port on SoundBlaster (and only on SB on isapnp, since we do not have locators with multiple values yet).
126 lines
4.2 KiB
C
126 lines
4.2 KiB
C
/* $NetBSD: linux_ioctl.c,v 1.18 1998/08/07 00:00:57 augustss Exp $ */
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/*
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* Copyright (c) 1995 Frank van der Linden
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project
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* by Frank van der Linden
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "sequencer.h"
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/ioctl.h>
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#include <sys/mount.h>
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#include <sys/file.h>
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#include <sys/vnode.h>
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#include <sys/filedesc.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <sys/sockio.h>
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#include <sys/syscallargs.h>
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#include <compat/linux/linux_types.h>
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#include <compat/linux/linux_signal.h>
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#include <compat/linux/linux_syscallargs.h>
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#include <compat/linux/linux_ioctl.h>
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#include <compat/ossaudio/ossaudio.h>
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#define LINUX_TO_OSS(v) (v) /* do nothing, same ioctl() encoding */
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/*
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* Most ioctl command are just converted to their NetBSD values,
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* and passed on. The ones that take structure pointers and (flag)
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* values need some massaging. This is done the usual way by
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* allocating stackgap memory, letting the actual ioctl call do its
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* work there and converting back the data afterwards.
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*/
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int
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linux_sys_ioctl(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct linux_sys_ioctl_args /* {
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syscallarg(int) fd;
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syscallarg(u_long) com;
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syscallarg(caddr_t) data;
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} */ *uap = v;
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switch (LINUX_IOCGROUP(SCARG(uap, com))) {
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case 'M':
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return oss_ioctl_mixer(p, LINUX_TO_OSS(v), retval);
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case 'Q':
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return oss_ioctl_sequencer(p, LINUX_TO_OSS(v), retval);
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case 'P':
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return oss_ioctl_audio(p, LINUX_TO_OSS(v), retval);
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case 'S':
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return linux_ioctl_cdrom(p, uap, retval);
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case 'T':
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{
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#if NSEQUENCER > 0
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/*
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* Both termios and the MIDI sequncer use 'T' to identify
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* the ioctl, so we have to differntiate them in a different
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* way. We do it by indexing in the cdevsw with the major
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* device number and check if that is the sequencer entry.
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*/
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struct file *fp;
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struct filedesc *fdp;
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struct vnode *vp;
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struct vattr va;
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extern int sequencerioctl
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__P((dev_t, u_long, caddr_t, int, struct proc *));
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fdp = p->p_fd;
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if ((u_int)SCARG(uap, fd) >= fdp->fd_nfiles ||
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(fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL)
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return EBADF;
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vp = (struct vnode *)fp->f_data;
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if (vp->v_type == VCHR &&
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VOP_GETATTR(vp, &va, p->p_ucred, p) == 0 &&
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major(va.va_rdev) < nchrdev &&
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cdevsw[major(va.va_rdev)].d_ioctl == &sequencerioctl)
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return oss_ioctl_sequencer(p, (void*)LINUX_TO_OSS(uap),
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retval);
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else
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#endif
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return linux_ioctl_termios(p, uap, retval);
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}
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case 0x89:
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return linux_ioctl_socket(p, uap, retval);
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default:
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return linux_machdepioctl(p, uap, retval);
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}
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}
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