/*
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* Analogy for Linux, device, subdevice, etc. related features
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*
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* @note Copyright (C) 1997-2000 David A. Schleef <ds@schleef.org>
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* @note Copyright (C) 2008 Alexis Berlemont <alexis.berlemont@free.fr>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*/
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#include <errno.h>
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#include <rtdm/analogy.h>
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#include "internal.h"
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#ifndef DOXYGEN_CPP
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int a4l_sys_devinfo(int fd, a4l_dvinfo_t * info)
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{
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return __sys_ioctl(fd, A4L_DEVINFO, info);
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}
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int a4l_sys_subdinfo(int fd, a4l_sbinfo_t * info)
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{
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return __sys_ioctl(fd, A4L_SUBDINFO, info);
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}
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int a4l_sys_nbchaninfo(int fd, unsigned int idx_subd, unsigned int *nb)
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{
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int ret;
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a4l_chinfo_arg_t arg = { idx_subd, NULL };
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if (nb == NULL)
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return -EINVAL;
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ret = __sys_ioctl(fd, A4L_NBCHANINFO, &arg);
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*nb = (unsigned long)arg.info;
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return ret;
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}
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int a4l_sys_chaninfo(int fd, unsigned int idx_subd, a4l_chinfo_t * info)
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{
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a4l_chinfo_arg_t arg = { idx_subd, info };
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return __sys_ioctl(fd, A4L_CHANINFO, &arg);
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}
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int a4l_sys_nbrnginfo(int fd,
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unsigned int idx_subd,
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unsigned int idx_chan, unsigned int *nb)
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{
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int ret;
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a4l_rnginfo_arg_t arg = { idx_subd, idx_chan, NULL };
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if (nb == NULL)
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return -EINVAL;
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ret = __sys_ioctl(fd, A4L_NBRNGINFO, &arg);
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*nb = (unsigned long)arg.info;
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return ret;
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}
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int a4l_sys_rnginfo(int fd,
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unsigned int idx_subd,
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unsigned int idx_chan, a4l_rnginfo_t * info)
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{
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a4l_rnginfo_arg_t arg = { idx_subd, idx_chan, info };
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return __sys_ioctl(fd, A4L_RNGINFO, &arg);
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}
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#endif /* !DOXYGEN_CPP */
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