diff options
Diffstat (limited to 'include/linux/videodev2.h')
-rw-r--r-- | include/linux/videodev2.h | 135 |
1 files changed, 9 insertions, 126 deletions
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index b3a848b6fb1c..bb58197ab6b9 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h | |||
@@ -1,29 +1,23 @@ | |||
1 | #ifndef __LINUX_VIDEODEV2_H | ||
2 | #define __LINUX_VIDEODEV2_H | ||
3 | /* | 1 | /* |
4 | * Video for Linux Two | 2 | * Video for Linux Two |
5 | * | 3 | * |
6 | * Header file for v4l or V4L2 drivers and applications, for | 4 | * Header file for v4l or V4L2 drivers and applications |
7 | * Linux kernels 2.2.x or 2.4.x. | 5 | * with public API. |
6 | * All kernel-specific stuff were moved to media/v4l2-dev.h, so | ||
7 | * no #if __KERNEL tests are allowed here | ||
8 | * | 8 | * |
9 | * See http://bytesex.org/v4l/ for API specs and other | 9 | * See http://linuxtv.org for more info |
10 | * v4l2 documentation. | ||
11 | * | 10 | * |
12 | * Author: Bill Dirks <bdirks@pacbell.net> | 11 | * Author: Bill Dirks <bdirks@pacbell.net> |
13 | * Justin Schoeman | 12 | * Justin Schoeman |
14 | * et al. | 13 | * et al. |
15 | */ | 14 | */ |
16 | #ifdef __KERNEL__ | 15 | #ifndef __LINUX_VIDEODEV2_H |
16 | #define __LINUX_VIDEODEV2_H | ||
17 | #include <linux/time.h> /* need struct timeval */ | 17 | #include <linux/time.h> /* need struct timeval */ |
18 | #include <linux/poll.h> | ||
19 | #include <linux/device.h> | ||
20 | #include <linux/mutex.h> | ||
21 | #endif | ||
22 | #include <linux/types.h> | 18 | #include <linux/types.h> |
23 | #include <linux/compiler.h> /* need __user */ | 19 | #include <linux/compiler.h> /* need __user */ |
24 | 20 | ||
25 | |||
26 | #define OBSOLETE_OWNER 1 /* It will be removed for 2.6.17 */ | ||
27 | #define HAVE_V4L2 1 | 21 | #define HAVE_V4L2 1 |
28 | 22 | ||
29 | /* | 23 | /* |
@@ -48,71 +42,6 @@ | |||
48 | #define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */ | 42 | #define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */ |
49 | #define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */ | 43 | #define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */ |
50 | 44 | ||
51 | #ifdef __KERNEL__ | ||
52 | |||
53 | /* Minor device allocation */ | ||
54 | #define MINOR_VFL_TYPE_GRABBER_MIN 0 | ||
55 | #define MINOR_VFL_TYPE_GRABBER_MAX 63 | ||
56 | #define MINOR_VFL_TYPE_RADIO_MIN 64 | ||
57 | #define MINOR_VFL_TYPE_RADIO_MAX 127 | ||
58 | #define MINOR_VFL_TYPE_VTX_MIN 192 | ||
59 | #define MINOR_VFL_TYPE_VTX_MAX 223 | ||
60 | #define MINOR_VFL_TYPE_VBI_MIN 224 | ||
61 | #define MINOR_VFL_TYPE_VBI_MAX 255 | ||
62 | |||
63 | #define VFL_TYPE_GRABBER 0 | ||
64 | #define VFL_TYPE_VBI 1 | ||
65 | #define VFL_TYPE_RADIO 2 | ||
66 | #define VFL_TYPE_VTX 3 | ||
67 | |||
68 | struct video_device | ||
69 | { | ||
70 | /* device info */ | ||
71 | struct device *dev; | ||
72 | char name[32]; | ||
73 | int type; /* v4l1 */ | ||
74 | int type2; /* v4l2 */ | ||
75 | int hardware; | ||
76 | int minor; | ||
77 | |||
78 | /* device ops + callbacks */ | ||
79 | const struct file_operations *fops; | ||
80 | void (*release)(struct video_device *vfd); | ||
81 | |||
82 | |||
83 | #if OBSOLETE_OWNER /* to be removed in 2.6.15 */ | ||
84 | /* obsolete -- fops->owner is used instead */ | ||
85 | struct module *owner; | ||
86 | /* dev->driver_data will be used instead some day. | ||
87 | * Use the video_{get|set}_drvdata() helper functions, | ||
88 | * so the switch over will be transparent for you. | ||
89 | * Or use {pci|usb}_{get|set}_drvdata() directly. */ | ||
90 | void *priv; | ||
91 | #endif | ||
92 | |||
93 | /* for videodev.c intenal usage -- please don't touch */ | ||
94 | int users; /* video_exclusive_{open|close} ... */ | ||
95 | struct mutex lock; /* ... helper function uses these */ | ||
96 | char devfs_name[64]; /* devfs */ | ||
97 | struct class_device class_dev; /* sysfs */ | ||
98 | }; | ||
99 | |||
100 | #define VIDEO_MAJOR 81 | ||
101 | |||
102 | extern int video_register_device(struct video_device *, int type, int nr); | ||
103 | extern void video_unregister_device(struct video_device *); | ||
104 | extern int video_usercopy(struct inode *inode, struct file *file, | ||
105 | unsigned int cmd, unsigned long arg, | ||
106 | int (*func)(struct inode *inode, struct file *file, | ||
107 | unsigned int cmd, void *arg)); | ||
108 | |||
109 | /* helper functions to alloc / release struct video_device, the | ||
110 | later can be used for video_device->release() */ | ||
111 | struct video_device *video_device_alloc(void); | ||
112 | void video_device_release(struct video_device *vfd); | ||
113 | |||
114 | #endif | ||
115 | |||
116 | /* | 45 | /* |
117 | * M I S C E L L A N E O U S | 46 | * M I S C E L L A N E O U S |
118 | */ | 47 | */ |
@@ -1098,6 +1027,7 @@ struct v4l2_streamparm | |||
1098 | #endif | 1027 | #endif |
1099 | #define VIDIOC_LOG_STATUS _IO ('V', 70) | 1028 | #define VIDIOC_LOG_STATUS _IO ('V', 70) |
1100 | 1029 | ||
1030 | #ifdef __OLD_VIDIOC_ | ||
1101 | /* for compatibility, will go away some day */ | 1031 | /* for compatibility, will go away some day */ |
1102 | #define VIDIOC_OVERLAY_OLD _IOWR ('V', 14, int) | 1032 | #define VIDIOC_OVERLAY_OLD _IOWR ('V', 14, int) |
1103 | #define VIDIOC_S_PARM_OLD _IOW ('V', 22, struct v4l2_streamparm) | 1033 | #define VIDIOC_S_PARM_OLD _IOW ('V', 22, struct v4l2_streamparm) |
@@ -1105,57 +1035,10 @@ struct v4l2_streamparm | |||
1105 | #define VIDIOC_G_AUDIO_OLD _IOWR ('V', 33, struct v4l2_audio) | 1035 | #define VIDIOC_G_AUDIO_OLD _IOWR ('V', 33, struct v4l2_audio) |
1106 | #define VIDIOC_G_AUDOUT_OLD _IOWR ('V', 49, struct v4l2_audioout) | 1036 | #define VIDIOC_G_AUDOUT_OLD _IOWR ('V', 49, struct v4l2_audioout) |
1107 | #define VIDIOC_CROPCAP_OLD _IOR ('V', 58, struct v4l2_cropcap) | 1037 | #define VIDIOC_CROPCAP_OLD _IOR ('V', 58, struct v4l2_cropcap) |
1108 | |||
1109 | #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ | ||
1110 | |||
1111 | |||
1112 | #ifdef __KERNEL__ | ||
1113 | /* | ||
1114 | * | ||
1115 | * V 4 L 2 D R I V E R H E L P E R A P I | ||
1116 | * | ||
1117 | * Some commonly needed functions for drivers (v4l2-common.o module) | ||
1118 | */ | ||
1119 | #include <linux/fs.h> | ||
1120 | |||
1121 | /* Video standard functions */ | ||
1122 | extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs); | ||
1123 | extern int v4l2_video_std_construct(struct v4l2_standard *vs, | ||
1124 | int id, char *name); | ||
1125 | |||
1126 | /* prority handling */ | ||
1127 | struct v4l2_prio_state { | ||
1128 | atomic_t prios[4]; | ||
1129 | }; | ||
1130 | int v4l2_prio_init(struct v4l2_prio_state *global); | ||
1131 | int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local, | ||
1132 | enum v4l2_priority new); | ||
1133 | int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local); | ||
1134 | int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local); | ||
1135 | enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global); | ||
1136 | int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local); | ||
1137 | |||
1138 | /* names for fancy debug output */ | ||
1139 | extern char *v4l2_field_names[]; | ||
1140 | extern char *v4l2_type_names[]; | ||
1141 | |||
1142 | /* Compatibility layer interface -- v4l1-compat module */ | ||
1143 | typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file, | ||
1144 | unsigned int cmd, void *arg); | ||
1145 | |||
1146 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | ||
1147 | int v4l_compat_translate_ioctl(struct inode *inode, struct file *file, | ||
1148 | int cmd, void *arg, v4l2_kioctl driver_ioctl); | ||
1149 | #else | ||
1150 | #define v4l_compat_translate_ioctl(inode,file,cmd,arg,ioctl) -EINVAL | ||
1151 | #endif | 1038 | #endif |
1152 | 1039 | ||
1153 | /* 32 Bits compatibility layer for 64 bits processors */ | 1040 | #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ |
1154 | extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd, | ||
1155 | unsigned long arg); | ||
1156 | |||
1157 | 1041 | ||
1158 | #endif /* __KERNEL__ */ | ||
1159 | #endif /* __LINUX_VIDEODEV2_H */ | 1042 | #endif /* __LINUX_VIDEODEV2_H */ |
1160 | 1043 | ||
1161 | /* | 1044 | /* |