139 lines
3.8 KiB
C
139 lines
3.8 KiB
C
/*
|
|
* dvbdev.h
|
|
*
|
|
* Copyright (C) 2000 Ralph Metzler & Marcus Metzler
|
|
* for convergence integrated media GmbH
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Lesser Public License
|
|
* as published by the Free Software Foundation; either version 2.1
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*
|
|
*/
|
|
|
|
#ifndef _DVBDEV_H_
|
|
#define _DVBDEV_H_
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/poll.h>
|
|
#include <linux/fs.h>
|
|
#include <linux/list.h>
|
|
#include <linux/smp_lock.h>
|
|
|
|
#define DVB_MAJOR 212
|
|
|
|
#define DVB_MAX_ADAPTERS 8
|
|
|
|
#define DVB_UNSET (-1)
|
|
|
|
#define DVB_DEVICE_VIDEO 0
|
|
#define DVB_DEVICE_AUDIO 1
|
|
#define DVB_DEVICE_SEC 2
|
|
#define DVB_DEVICE_FRONTEND 3
|
|
#define DVB_DEVICE_DEMUX 4
|
|
#define DVB_DEVICE_DVR 5
|
|
#define DVB_DEVICE_CA 6
|
|
#define DVB_DEVICE_NET 7
|
|
#define DVB_DEVICE_OSD 8
|
|
|
|
#define DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr) \
|
|
static short adapter_nr[] = \
|
|
{[0 ... (DVB_MAX_ADAPTERS - 1)] = DVB_UNSET }; \
|
|
module_param_array(adapter_nr, short, NULL, 0444); \
|
|
MODULE_PARM_DESC(adapter_nr, "DVB adapter numbers")
|
|
|
|
struct dvb_adapter {
|
|
int num;
|
|
struct list_head list_head;
|
|
struct list_head device_list;
|
|
const char *name;
|
|
u8 proposed_mac [6];
|
|
void* priv;
|
|
|
|
struct device *device;
|
|
|
|
struct module *module;
|
|
};
|
|
|
|
|
|
struct dvb_device {
|
|
struct list_head list_head;
|
|
struct file_operations *fops;
|
|
struct dvb_adapter *adapter;
|
|
int type;
|
|
u32 id;
|
|
|
|
/* in theory, 'users' can vanish now,
|
|
but I don't want to change too much now... */
|
|
int readers;
|
|
int writers;
|
|
int users;
|
|
|
|
wait_queue_head_t wait_queue;
|
|
/* don't really need those !? -- FIXME: use video_usercopy */
|
|
int (*kernel_ioctl)(struct inode *inode, struct file *file,
|
|
unsigned int cmd, void *arg);
|
|
|
|
void *priv;
|
|
};
|
|
|
|
|
|
extern int dvb_register_adapter(struct dvb_adapter *adap, const char *name,
|
|
struct module *module, struct device *device,
|
|
short *adapter_nums);
|
|
extern int dvb_unregister_adapter (struct dvb_adapter *adap);
|
|
|
|
extern int dvb_register_device (struct dvb_adapter *adap,
|
|
struct dvb_device **pdvbdev,
|
|
const struct dvb_device *template,
|
|
void *priv,
|
|
int type);
|
|
|
|
extern void dvb_unregister_device (struct dvb_device *dvbdev);
|
|
|
|
extern int dvb_generic_open (struct inode *inode, struct file *file);
|
|
extern int dvb_generic_release (struct inode *inode, struct file *file);
|
|
extern int dvb_generic_ioctl (struct inode *inode, struct file *file,
|
|
unsigned int cmd, unsigned long arg);
|
|
|
|
/* we don't mess with video_usercopy() any more,
|
|
we simply define out own dvb_usercopy(), which will hopefully become
|
|
generic_usercopy() someday... */
|
|
|
|
extern int dvb_usercopy(struct inode *inode, struct file *file,
|
|
unsigned int cmd, unsigned long arg,
|
|
int (*func)(struct inode *inode, struct file *file,
|
|
unsigned int cmd, void *arg));
|
|
|
|
/** generic DVB attach function. */
|
|
#ifdef CONFIG_MEDIA_ATTACH
|
|
#define dvb_attach(FUNCTION, ARGS...) ({ \
|
|
void *__r = NULL; \
|
|
typeof(&FUNCTION) __a = symbol_request(FUNCTION); \
|
|
if (__a) { \
|
|
__r = (void *) __a(ARGS); \
|
|
if (__r == NULL) \
|
|
symbol_put(FUNCTION); \
|
|
} else { \
|
|
printk(KERN_ERR "DVB: Unable to find symbol "#FUNCTION"()\n"); \
|
|
} \
|
|
__r; \
|
|
})
|
|
|
|
#else
|
|
#define dvb_attach(FUNCTION, ARGS...) ({ \
|
|
FUNCTION(ARGS); \
|
|
})
|
|
|
|
#endif
|
|
|
|
#endif /* #ifndef _DVBDEV_H_ */
|