/*
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* Analogy for Linux, device related features
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*
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* Copyright (C) 1997-2000 David A. Schleef <ds@schleef.org>
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* Copyright (C) 2008 Alexis Berlemont <alexis.berlemont@free.fr>
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*
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* Xenomai is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Xenomai is distributed in the hope that it will be useful, but
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* 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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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Xenomai; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _COBALT_RTDM_ANALOGY_DEVICE_H
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#define _COBALT_RTDM_ANALOGY_DEVICE_H
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#include <rtdm/analogy/rtdm_helpers.h>
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#include <rtdm/analogy/transfer.h>
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#include <rtdm/analogy/driver.h>
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#define A4L_NB_DEVICES 10
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#define A4L_DEV_ATTACHED_NR 0
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struct a4l_device {
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/* Spinlock for global device use */
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rtdm_lock_t lock;
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/* Device specific flags */
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unsigned long flags;
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/* Driver assigned to this device thanks to attaching
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procedure */
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struct a4l_driver *driver;
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/* Hidden description stuff */
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struct list_head subdvsq;
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/* Context-dependent stuff */
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struct a4l_transfer transfer;
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/* Private data useful for drivers functioning */
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void *priv;
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};
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/* --- Devices tab related functions --- */
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void a4l_init_devs(void);
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int a4l_check_cleanup_devs(void);
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int a4l_rdproc_devs(struct seq_file *p, void *data);
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/* --- Context related function / macro --- */
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void a4l_set_dev(struct a4l_device_context *cxt);
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#define a4l_get_dev(x) ((x)->dev)
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/* --- Upper layer functions --- */
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int a4l_ioctl_devcfg(struct a4l_device_context * cxt, void *arg);
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int a4l_ioctl_devinfo(struct a4l_device_context * cxt, void *arg);
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#endif /* !_COBALT_RTDM_ANALOGY_DEVICE_H */
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