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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | /* * 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_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 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); 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_DVB_CORE_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_ */ |