1 /******************************************************************************* 2 # Linux-UVC streaming input-plugin for MJPG-streamer # 3 # # 4 # This package work with the Logitech UVC based webcams with the mjpeg feature # 5 # # 6 # Copyright (C) 2005 2006 Laurent Pinchart && Michel Xhaard # 7 # 2007 Lucas van Staden # 8 # 2007 Tom Stöveken # 9 # # 10 # This program is free software; you can redistribute it and/or modify # 11 # it under the terms of the GNU General Public License as published by # 12 # the Free Software Foundation; either version 2 of the License, or # 13 # (at your option) any later version. # 14 # # 15 # This program is distributed in the hope that it will be useful, # 16 # but WITHOUT ANY WARRANTY; without even the implied warranty of # 17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # 18 # GNU General Public License for more details. # 19 # # 20 # You should have received a copy of the GNU General Public License # 21 # along with this program; if not, write to the Free Software # 22 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # 23 # # 24 *******************************************************************************/ 25 #ifndef _USB_VIDEO_H_ 26 #define _USB_VIDEO_H_ 27 28 #include <linux/kernel.h> 29 #include <linux/types.h> /* for videodev2.h */ 30 #include <linux/videodev2.h> 31 32 #ifdef USE_LIBV4L2 33 #include <libv4l2.h> 34 #define IOCTL_VIDEO(fd, req, value) v4l2_ioctl(fd, req, value) 35 #define OPEN_VIDEO(fd, flags) v4l2_open(fd, flags) 36 #define CLOSE_VIDEO(fd) v4l2_close(fd) 37 #else 38 #define IOCTL_VIDEO(fd, req, value) ioctl(fd, req, value) 39 #define OPEN_VIDEO(fd, flags) open(fd, flags) 40 #define CLOSE_VIDEO(fd) close(fd) 41 #endif 42 43 /* Compatibility */ 44 #include "uvc_compat.h" 45 46 /* 47 * Private V4L2 control identifiers. 48 */ 49 50 /* 51 * Dynamic controls 52 */ 53 /* Data types for UVC control data */ 54 enum uvc_control_data_type { 55 UVC_CTRL_DATA_TYPE_RAW = 0, 56 UVC_CTRL_DATA_TYPE_SIGNED, 57 UVC_CTRL_DATA_TYPE_UNSIGNED, 58 UVC_CTRL_DATA_TYPE_BOOLEAN, 59 UVC_CTRL_DATA_TYPE_ENUM, 60 UVC_CTRL_DATA_TYPE_BITMASK, 61 }; 62 63 #define UVC_CONTROL_SET_CUR (1 << 0) 64 #define UVC_CONTROL_GET_CUR (1 << 1) 65 #define UVC_CONTROL_GET_MIN (1 << 2) 66 #define UVC_CONTROL_GET_MAX (1 << 3) 67 #define UVC_CONTROL_GET_RES (1 << 4) 68 #define UVC_CONTROL_GET_DEF (1 << 5) 69 /* Control should be saved at suspend and restored at resume. */ 70 #define UVC_CONTROL_RESTORE (1 << 6) 71 72 #define UVC_CONTROL_GET_RANGE (UVC_CONTROL_GET_CUR | UVC_CONTROL_GET_MIN | \ 73 UVC_CONTROL_GET_MAX | UVC_CONTROL_GET_RES | \ 74 UVC_CONTROL_GET_DEF) 75 76 struct uvc_xu_control_info { 77 __u8 entity[16]; 78 __u8 index; 79 __u8 selector; 80 __u16 size; 81 __u32 flags; 82 }; 83 84 struct uvc_xu_control_mapping { 85 __u32 id; 86 __u8 name[32]; 87 __u8 entity[16]; 88 __u8 selector; 89 90 __u8 size; 91 __u8 offset; 92 enum v4l2_ctrl_type v4l2_type; 93 enum uvc_control_data_type data_type; 94 }; 95 96 struct uvc_xu_control { 97 __u8 unit; 98 __u8 selector; 99 __u16 size; 100 __u8 __user *data; 101 }; 102 103 #define UVCIOC_CTRL_ADD _IOW ('U', 1, struct uvc_xu_control_info) 104 #define UVCIOC_CTRL_MAP _IOWR ('U', 2, struct uvc_xu_control_mapping) 105 #define UVCIOC_CTRL_GET _IOWR ('U', 3, struct uvc_xu_control) 106 #define UVCIOC_CTRL_SET _IOW ('U', 4, struct uvc_xu_control) 107 108 109 110 #endif 111 112