^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #ifndef _USB_VIDEO_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define _USB_VIDEO_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #ifndef __KERNEL__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #error "The uvcvideo.h header is deprecated, use linux/uvcvideo.h instead."
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #endif /* __KERNEL__ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/poll.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/usb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/usb/video.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/uvcvideo.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/videodev2.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <media/media-device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <media/v4l2-device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <media/v4l2-event.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <media/v4l2-fh.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <media/videobuf2-v4l2.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) /* --------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * UVC constants
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define UVC_TERM_INPUT 0x0000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define UVC_TERM_OUTPUT 0x8000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define UVC_TERM_DIRECTION(term) ((term)->type & 0x8000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define UVC_ENTITY_TYPE(entity) ((entity)->type & 0x7fff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define UVC_ENTITY_IS_UNIT(entity) (((entity)->type & 0xff00) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define UVC_ENTITY_IS_TERM(entity) (((entity)->type & 0xff00) != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define UVC_ENTITY_IS_ITERM(entity) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) (UVC_ENTITY_IS_TERM(entity) && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) ((entity)->type & 0x8000) == UVC_TERM_INPUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define UVC_ENTITY_IS_OTERM(entity) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) (UVC_ENTITY_IS_TERM(entity) && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) ((entity)->type & 0x8000) == UVC_TERM_OUTPUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) /* ------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * GUIDs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define UVC_GUID_UVC_CAMERA \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define UVC_GUID_UVC_OUTPUT \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define UVC_GUID_UVC_MEDIA_TRANSPORT_INPUT \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define UVC_GUID_UVC_PROCESSING \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define UVC_GUID_UVC_SELECTOR \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define UVC_GUID_FORMAT_MJPEG \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) { 'M', 'J', 'P', 'G', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define UVC_GUID_FORMAT_YUY2 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) { 'Y', 'U', 'Y', '2', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define UVC_GUID_FORMAT_YUY2_ISIGHT \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) { 'Y', 'U', 'Y', '2', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 0x80, 0x00, 0x00, 0x00, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define UVC_GUID_FORMAT_NV12 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) { 'N', 'V', '1', '2', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define UVC_GUID_FORMAT_YV12 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) { 'Y', 'V', '1', '2', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define UVC_GUID_FORMAT_I420 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) { 'I', '4', '2', '0', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #define UVC_GUID_FORMAT_UYVY \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) { 'U', 'Y', 'V', 'Y', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #define UVC_GUID_FORMAT_Y800 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) { 'Y', '8', '0', '0', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define UVC_GUID_FORMAT_Y8 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) { 'Y', '8', ' ', ' ', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) #define UVC_GUID_FORMAT_Y10 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) { 'Y', '1', '0', ' ', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) #define UVC_GUID_FORMAT_Y12 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) { 'Y', '1', '2', ' ', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) #define UVC_GUID_FORMAT_Y16 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) { 'Y', '1', '6', ' ', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) #define UVC_GUID_FORMAT_BY8 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) { 'B', 'Y', '8', ' ', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) #define UVC_GUID_FORMAT_BA81 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) { 'B', 'A', '8', '1', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #define UVC_GUID_FORMAT_GBRG \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) { 'G', 'B', 'R', 'G', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) #define UVC_GUID_FORMAT_GRBG \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) { 'G', 'R', 'B', 'G', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) #define UVC_GUID_FORMAT_RGGB \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) { 'R', 'G', 'G', 'B', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) #define UVC_GUID_FORMAT_BG16 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) { 'B', 'G', '1', '6', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) #define UVC_GUID_FORMAT_GB16 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) { 'G', 'B', '1', '6', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) #define UVC_GUID_FORMAT_RG16 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) { 'R', 'G', '1', '6', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) #define UVC_GUID_FORMAT_GR16 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) { 'G', 'R', '1', '6', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) #define UVC_GUID_FORMAT_RGBP \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) { 'R', 'G', 'B', 'P', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) #define UVC_GUID_FORMAT_BGR3 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) { 0x7d, 0xeb, 0x36, 0xe4, 0x4f, 0x52, 0xce, 0x11, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) #define UVC_GUID_FORMAT_M420 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) { 'M', '4', '2', '0', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) #define UVC_GUID_FORMAT_H264 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) { 'H', '2', '6', '4', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) #define UVC_GUID_FORMAT_Y8I \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) { 'Y', '8', 'I', ' ', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) #define UVC_GUID_FORMAT_Y12I \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) { 'Y', '1', '2', 'I', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) #define UVC_GUID_FORMAT_Z16 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) { 'Z', '1', '6', ' ', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) #define UVC_GUID_FORMAT_RW10 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) { 'R', 'W', '1', '0', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) #define UVC_GUID_FORMAT_INVZ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) { 'I', 'N', 'V', 'Z', 0x90, 0x2d, 0x58, 0x4a, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 0x92, 0x0b, 0x77, 0x3f, 0x1f, 0x2c, 0x55, 0x6b}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) #define UVC_GUID_FORMAT_INZI \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) { 'I', 'N', 'Z', 'I', 0x66, 0x1a, 0x42, 0xa2, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 0x90, 0x65, 0xd0, 0x18, 0x14, 0xa8, 0xef, 0x8a}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) #define UVC_GUID_FORMAT_INVI \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) { 'I', 'N', 'V', 'I', 0xdb, 0x57, 0x49, 0x5e, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 0x8e, 0x3f, 0xf4, 0x79, 0x53, 0x2b, 0x94, 0x6f}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) #define UVC_GUID_FORMAT_CNF4 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) { 'C', ' ', ' ', ' ', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) #define UVC_GUID_FORMAT_D3DFMT_L8 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) {0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) #define UVC_GUID_FORMAT_KSMEDIA_L8_IR \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {0x32, 0x00, 0x00, 0x00, 0x02, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) #define UVC_GUID_FORMAT_HEVC \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) { 'H', 'E', 'V', 'C', 0x00, 0x00, 0x10, 0x00, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) /* ------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) * Driver specific constants.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) #define DRIVER_VERSION "1.1.1"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) /* Number of isochronous URBs. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) #define UVC_URBS 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) /* Maximum number of packets per URB. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) #define UVC_MAX_PACKETS 32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) /* Maximum status buffer size in bytes of interrupt URB. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) #define UVC_MAX_STATUS_SIZE 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) #define UVC_CTRL_CONTROL_TIMEOUT 5000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) #define UVC_CTRL_STREAMING_TIMEOUT 5000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) /* Maximum allowed number of control mappings per device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) #define UVC_MAX_CONTROL_MAPPINGS 1024
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) #define UVC_MAX_CONTROL_MENU_ENTRIES 32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) /* Devices quirks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) #define UVC_QUIRK_STATUS_INTERVAL 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) #define UVC_QUIRK_PROBE_MINMAX 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) #define UVC_QUIRK_PROBE_EXTRAFIELDS 0x00000004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) #define UVC_QUIRK_BUILTIN_ISIGHT 0x00000008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) #define UVC_QUIRK_STREAM_NO_FID 0x00000010
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) #define UVC_QUIRK_IGNORE_SELECTOR_UNIT 0x00000020
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) #define UVC_QUIRK_FIX_BANDWIDTH 0x00000080
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) #define UVC_QUIRK_PROBE_DEF 0x00000100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) #define UVC_QUIRK_RESTRICT_FRAME_RATE 0x00000200
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) #define UVC_QUIRK_RESTORE_CTRLS_ON_INIT 0x00000400
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) #define UVC_QUIRK_FORCE_Y8 0x00000800
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) #define UVC_QUIRK_FORCE_BPP 0x00001000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) /* Format flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) #define UVC_FMT_FLAG_COMPRESSED 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) #define UVC_FMT_FLAG_STREAM 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) /* ------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) * Structures.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) struct uvc_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) /* TODO: Put the most frequently accessed fields at the beginning of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) * structures to maximize cache efficiency.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) struct uvc_control_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) struct list_head mappings;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) u8 entity[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) u8 index; /* Bit index in bmControls */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) u8 selector;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) u16 size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) u32 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) struct uvc_control_mapping {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) struct list_head ev_subs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) u32 id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) u8 name[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) u8 entity[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) u8 selector;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) u8 size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) u8 offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) enum v4l2_ctrl_type v4l2_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) u32 data_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) const struct uvc_menu_info *menu_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) u32 menu_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) u32 master_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) s32 master_manual;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) u32 slave_ids[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) s32 (*get)(struct uvc_control_mapping *mapping, u8 query,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) const u8 *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) void (*set)(struct uvc_control_mapping *mapping, s32 value,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) u8 *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) struct uvc_control {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) struct uvc_entity *entity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) struct uvc_control_info info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) u8 index; /* Used to match the uvc_control entry with a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) uvc_control_info. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) u8 dirty:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) loaded:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) modified:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) cached:1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) initialized:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) u8 *uvc_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) struct uvc_fh *handle; /* File handle that last changed the control. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) struct uvc_format_desc {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) u8 guid[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) u32 fcc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) /* The term 'entity' refers to both UVC units and UVC terminals.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) * The type field is either the terminal type (wTerminalType in the terminal
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) * descriptor), or the unit type (bDescriptorSubtype in the unit descriptor).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) * As the bDescriptorSubtype field is one byte long, the type value will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) * always have a null MSB for units. All terminal types defined by the UVC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) * specification have a non-null MSB, so it is safe to use the MSB to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) * differentiate between units and terminals as long as the descriptor parsing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) * code makes sure terminal types have a non-null MSB.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) * For terminals, the type's most significant bit stores the terminal
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) * direction (either UVC_TERM_INPUT or UVC_TERM_OUTPUT). The type field should
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) * always be accessed with the UVC_ENTITY_* macros and never directly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) #define UVC_ENTITY_FLAG_DEFAULT (1 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) struct uvc_entity {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) struct list_head list; /* Entity as part of a UVC device. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) struct list_head chain; /* Entity as part of a video device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) * chain. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) unsigned int flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) u8 id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) u16 type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) char name[64];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) /* Media controller-related fields. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) struct video_device *vdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) struct v4l2_subdev subdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) unsigned int num_pads;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) unsigned int num_links;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) struct media_pad *pads;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) u16 wObjectiveFocalLengthMin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) u16 wObjectiveFocalLengthMax;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) u16 wOcularFocalLength;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) u8 bControlSize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) u8 *bmControls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) } camera;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) u8 bControlSize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) u8 *bmControls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) u8 bTransportModeSize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) u8 *bmTransportModes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) } media;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) } output;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) u16 wMaxMultiplier;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) u8 bControlSize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) u8 *bmControls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) u8 bmVideoStandards;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) } processing;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) } selector;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) u8 guidExtensionCode[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) u8 bNumControls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) u8 bControlSize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) u8 *bmControls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) u8 *bmControlsType;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) } extension;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) u8 bNrInPins;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) u8 *baSourceID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) unsigned int ncontrols;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) struct uvc_control *controls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) struct uvc_frame {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) u8 bFrameIndex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) u8 bmCapabilities;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) u16 wWidth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) u16 wHeight;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) u32 dwMinBitRate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) u32 dwMaxBitRate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) u32 dwMaxVideoFrameBufferSize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) u8 bFrameIntervalType;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) u32 dwDefaultFrameInterval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) u32 *dwFrameInterval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) struct uvc_format {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) u8 type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) u8 index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) u8 bpp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) enum v4l2_colorspace colorspace;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) enum v4l2_xfer_func xfer_func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) enum v4l2_ycbcr_encoding ycbcr_enc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) u32 fcc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) u32 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) char name[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) unsigned int nframes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) struct uvc_frame *frame;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) struct uvc_streaming_header {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) u8 bNumFormats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) u8 bEndpointAddress;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) u8 bTerminalLink;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) u8 bControlSize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) u8 *bmaControls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) /* The following fields are used by input headers only. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) u8 bmInfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) u8 bStillCaptureMethod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) u8 bTriggerSupport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) u8 bTriggerUsage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) enum uvc_buffer_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) UVC_BUF_STATE_IDLE = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) UVC_BUF_STATE_QUEUED = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) UVC_BUF_STATE_ACTIVE = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) UVC_BUF_STATE_READY = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) UVC_BUF_STATE_DONE = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) UVC_BUF_STATE_ERROR = 5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) struct uvc_buffer {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) struct vb2_v4l2_buffer buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) struct list_head queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) enum uvc_buffer_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) unsigned int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) void *mem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) unsigned int length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) unsigned int bytesused;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) u32 pts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) /* Asynchronous buffer handling. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) struct kref ref;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) #define UVC_QUEUE_DISCONNECTED (1 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) #define UVC_QUEUE_DROP_CORRUPTED (1 << 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) struct uvc_video_queue {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) struct vb2_queue queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) struct mutex mutex; /* Protects queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) unsigned int flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) unsigned int buf_used;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) spinlock_t irqlock; /* Protects irqqueue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) struct list_head irqqueue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) struct uvc_video_chain {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) struct uvc_device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) struct list_head entities; /* All entities */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) struct uvc_entity *processing; /* Processing unit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) struct uvc_entity *selector; /* Selector unit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) struct mutex ctrl_mutex; /* Protects ctrl.info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) struct v4l2_prio_state prio; /* V4L2 priority state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) u32 caps; /* V4L2 chain-wide caps */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) struct uvc_stats_frame {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) unsigned int size; /* Number of bytes captured */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) unsigned int first_data; /* Index of the first non-empty packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) unsigned int nb_packets; /* Number of packets */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) unsigned int nb_empty; /* Number of empty packets */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) unsigned int nb_invalid; /* Number of packets with an invalid header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) unsigned int nb_errors; /* Number of packets with the error bit set */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) unsigned int nb_pts; /* Number of packets with a PTS timestamp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) unsigned int nb_pts_diffs; /* Number of PTS differences inside a frame */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) unsigned int last_pts_diff; /* Index of the last PTS difference */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) bool has_initial_pts; /* Whether the first non-empty packet has a PTS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) bool has_early_pts; /* Whether a PTS is present before the first non-empty packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) u32 pts; /* PTS of the last packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) unsigned int nb_scr; /* Number of packets with a SCR timestamp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) unsigned int nb_scr_diffs; /* Number of SCR.STC differences inside a frame */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) u16 scr_sof; /* SCR.SOF of the last packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) u32 scr_stc; /* SCR.STC of the last packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) struct uvc_stats_stream {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) ktime_t start_ts; /* Stream start timestamp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) ktime_t stop_ts; /* Stream stop timestamp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) unsigned int nb_frames; /* Number of frames */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) unsigned int nb_packets; /* Number of packets */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) unsigned int nb_empty; /* Number of empty packets */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) unsigned int nb_invalid; /* Number of packets with an invalid header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) unsigned int nb_errors; /* Number of packets with the error bit set */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) unsigned int nb_pts_constant; /* Number of frames with constant PTS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) unsigned int nb_pts_early; /* Number of frames with early PTS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) unsigned int nb_pts_initial; /* Number of frames with initial PTS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) unsigned int nb_scr_count_ok; /* Number of frames with at least one SCR per non empty packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) unsigned int nb_scr_diffs_ok; /* Number of frames with varying SCR.STC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) unsigned int scr_sof_count; /* STC.SOF counter accumulated since stream start */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) unsigned int scr_sof; /* STC.SOF of the last packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) unsigned int min_sof; /* Minimum STC.SOF value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) unsigned int max_sof; /* Maximum STC.SOF value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) #define UVC_METADATA_BUF_SIZE 1024
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) * struct uvc_copy_op: Context structure to schedule asynchronous memcpy
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) * @buf: active buf object for this operation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) * @dst: copy destination address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) * @src: copy source address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) * @len: copy length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) struct uvc_copy_op {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) struct uvc_buffer *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) void *dst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) const __u8 *src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) size_t len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) * struct uvc_urb - URB context management structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) * @urb: the URB described by this context structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) * @stream: UVC streaming context
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) * @buffer: memory storage for the URB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) * @dma: DMA coherent addressing for the urb_buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) * @async_operations: counter to indicate the number of copy operations
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) * @copy_operations: work descriptors for asynchronous copy operations
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) * @work: work queue entry for asynchronous decode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) struct uvc_urb {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) struct urb *urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) struct uvc_streaming *stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) char *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) dma_addr_t dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) unsigned int async_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) struct uvc_copy_op copy_operations[UVC_MAX_PACKETS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) struct work_struct work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) struct uvc_streaming {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) struct uvc_device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) struct video_device vdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) struct uvc_video_chain *chain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) atomic_t active;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) struct usb_interface *intf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) int intfnum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) u16 maxpsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) struct uvc_streaming_header header;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) enum v4l2_buf_type type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) unsigned int nformats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) struct uvc_format *format;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) struct uvc_streaming_control ctrl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) struct uvc_format *def_format;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) struct uvc_format *cur_format;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) struct uvc_frame *cur_frame;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) /* Protect access to ctrl, cur_format, cur_frame and hardware video
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) * probe control.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) struct mutex mutex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) /* Buffers queue. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) unsigned int frozen : 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) struct uvc_video_queue queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) struct workqueue_struct *async_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) void (*decode)(struct uvc_urb *uvc_urb, struct uvc_buffer *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) struct uvc_buffer *meta_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) struct video_device vdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) struct uvc_video_queue queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) u32 format;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) } meta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) /* Context data used by the bulk completion handler. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) u8 header[256];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) unsigned int header_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) int skip_payload;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) u32 payload_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) u32 max_payload_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) } bulk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) struct uvc_urb uvc_urb[UVC_URBS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) unsigned int urb_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) u32 sequence;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) u8 last_fid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) /* debugfs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) struct dentry *debugfs_dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) struct uvc_stats_frame frame;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) struct uvc_stats_stream stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) } stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) /* Timestamps support. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) struct uvc_clock {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) struct uvc_clock_sample {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) u32 dev_stc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) u16 dev_sof;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) u16 host_sof;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) ktime_t host_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) } *samples;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) unsigned int head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) unsigned int count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) unsigned int size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) u16 last_sof;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) u16 sof_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) u8 last_scr[6];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) spinlock_t lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) } clock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) #define for_each_uvc_urb(uvc_urb, uvc_streaming) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) for ((uvc_urb) = &(uvc_streaming)->uvc_urb[0]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) (uvc_urb) < &(uvc_streaming)->uvc_urb[UVC_URBS]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) ++(uvc_urb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) static inline u32 uvc_urb_index(const struct uvc_urb *uvc_urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) return uvc_urb - &uvc_urb->stream->uvc_urb[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) struct uvc_device_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) u32 quirks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) u32 meta_format;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) struct uvc_device {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) struct usb_device *udev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) struct usb_interface *intf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) unsigned long warnings;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) u32 quirks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) int intfnum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) char name[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) const struct uvc_device_info *info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) struct mutex lock; /* Protects users */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) unsigned int users;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) atomic_t nmappings;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) /* Video control interface */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) #ifdef CONFIG_MEDIA_CONTROLLER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) struct media_device mdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) struct v4l2_device vdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) u16 uvc_version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) u32 clock_frequency;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) struct list_head entities;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) struct list_head chains;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) /* Video Streaming interfaces */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) struct list_head streams;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) struct kref ref;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) /* Status Interrupt Endpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) struct usb_host_endpoint *int_ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) struct urb *int_urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) u8 *status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) struct input_dev *input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) char input_phys[64];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) struct uvc_ctrl_work {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) struct work_struct work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) struct urb *urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) struct uvc_video_chain *chain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) struct uvc_control *ctrl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) const void *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) } async_ctrl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) enum uvc_handle_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) UVC_HANDLE_PASSIVE = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) UVC_HANDLE_ACTIVE = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) struct uvc_fh {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) struct v4l2_fh vfh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) struct uvc_video_chain *chain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) struct uvc_streaming *stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) enum uvc_handle_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) struct uvc_driver {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) struct usb_driver driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) /* ------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) * Debugging, printing and logging
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) #define UVC_TRACE_PROBE (1 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) #define UVC_TRACE_DESCR (1 << 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) #define UVC_TRACE_CONTROL (1 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) #define UVC_TRACE_FORMAT (1 << 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) #define UVC_TRACE_CAPTURE (1 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) #define UVC_TRACE_CALLS (1 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) #define UVC_TRACE_FRAME (1 << 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) #define UVC_TRACE_SUSPEND (1 << 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) #define UVC_TRACE_STATUS (1 << 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) #define UVC_TRACE_VIDEO (1 << 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) #define UVC_TRACE_STATS (1 << 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) #define UVC_TRACE_CLOCK (1 << 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) #define UVC_WARN_MINMAX 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) #define UVC_WARN_PROBE_DEF 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) #define UVC_WARN_XU_GET_RES 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) extern unsigned int uvc_clock_param;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) extern unsigned int uvc_no_drop_param;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) extern unsigned int uvc_trace_param;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) extern unsigned int uvc_timeout_param;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) extern unsigned int uvc_hw_timestamps_param;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) #define uvc_trace(flag, msg...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) if (uvc_trace_param & flag) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) printk(KERN_DEBUG "uvcvideo: " msg); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) #define uvc_warn_once(dev, warn, msg...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) if (!test_and_set_bit(warn, &dev->warnings)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) printk(KERN_INFO "uvcvideo: " msg); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) #define uvc_printk(level, msg...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) printk(level "uvcvideo: " msg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) /* --------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) * Internal functions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) /* Core driver */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) extern struct uvc_driver uvc_driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) struct uvc_entity *uvc_entity_by_id(struct uvc_device *dev, int id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) /* Video buffers queue management. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) int uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) int drop_corrupted);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) void uvc_queue_release(struct uvc_video_queue *queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) int uvc_request_buffers(struct uvc_video_queue *queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) struct v4l2_requestbuffers *rb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) int uvc_query_buffer(struct uvc_video_queue *queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) struct v4l2_buffer *v4l2_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) int uvc_create_buffers(struct uvc_video_queue *queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) struct v4l2_create_buffers *v4l2_cb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) int uvc_queue_buffer(struct uvc_video_queue *queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) struct media_device *mdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) struct v4l2_buffer *v4l2_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) int uvc_export_buffer(struct uvc_video_queue *queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) struct v4l2_exportbuffer *exp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) int uvc_dequeue_buffer(struct uvc_video_queue *queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) struct v4l2_buffer *v4l2_buf, int nonblocking);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) int uvc_queue_streamon(struct uvc_video_queue *queue, enum v4l2_buf_type type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) int uvc_queue_streamoff(struct uvc_video_queue *queue, enum v4l2_buf_type type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) void uvc_queue_cancel(struct uvc_video_queue *queue, int disconnect);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) struct uvc_buffer *buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) struct uvc_buffer *uvc_queue_get_current_buffer(struct uvc_video_queue *queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) void uvc_queue_buffer_release(struct uvc_buffer *buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) int uvc_queue_mmap(struct uvc_video_queue *queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) struct vm_area_struct *vma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) __poll_t uvc_queue_poll(struct uvc_video_queue *queue, struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) poll_table *wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) #ifndef CONFIG_MMU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) unsigned long uvc_queue_get_unmapped_area(struct uvc_video_queue *queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) unsigned long pgoff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) int uvc_queue_allocated(struct uvc_video_queue *queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) static inline int uvc_queue_streaming(struct uvc_video_queue *queue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) return vb2_is_streaming(&queue->queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) /* V4L2 interface */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) extern const struct v4l2_ioctl_ops uvc_ioctl_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) extern const struct v4l2_file_operations uvc_fops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) /* Media controller */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) int uvc_mc_register_entities(struct uvc_video_chain *chain);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) void uvc_mc_cleanup_entity(struct uvc_entity *entity);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) /* Video */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) int uvc_video_init(struct uvc_streaming *stream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) int uvc_video_suspend(struct uvc_streaming *stream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) int uvc_video_resume(struct uvc_streaming *stream, int reset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) int uvc_video_start_streaming(struct uvc_streaming *stream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) void uvc_video_stop_streaming(struct uvc_streaming *stream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) int uvc_probe_video(struct uvc_streaming *stream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) struct uvc_streaming_control *probe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) int uvc_query_ctrl(struct uvc_device *dev, u8 query, u8 unit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) u8 intfnum, u8 cs, void *data, u16 size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) void uvc_video_clock_update(struct uvc_streaming *stream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) struct vb2_v4l2_buffer *vbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) struct uvc_buffer *buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) int uvc_meta_register(struct uvc_streaming *stream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) int uvc_register_video_device(struct uvc_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) struct uvc_streaming *stream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) struct video_device *vdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) struct uvc_video_queue *queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) enum v4l2_buf_type type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) const struct v4l2_file_operations *fops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) const struct v4l2_ioctl_ops *ioctl_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) /* Status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) int uvc_status_init(struct uvc_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) void uvc_status_unregister(struct uvc_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) void uvc_status_cleanup(struct uvc_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) int uvc_status_start(struct uvc_device *dev, gfp_t flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) void uvc_status_stop(struct uvc_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) /* Controls */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) extern const struct v4l2_subscribed_event_ops uvc_ctrl_sub_ev_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) int uvc_query_v4l2_ctrl(struct uvc_video_chain *chain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) struct v4l2_queryctrl *v4l2_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) int uvc_query_v4l2_menu(struct uvc_video_chain *chain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) struct v4l2_querymenu *query_menu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) int uvc_ctrl_add_mapping(struct uvc_video_chain *chain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) const struct uvc_control_mapping *mapping);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) int uvc_ctrl_init_device(struct uvc_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) void uvc_ctrl_cleanup_device(struct uvc_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) int uvc_ctrl_restore_values(struct uvc_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) bool uvc_ctrl_status_event(struct urb *urb, struct uvc_video_chain *chain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) struct uvc_control *ctrl, const u8 *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) int uvc_ctrl_begin(struct uvc_video_chain *chain);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) int __uvc_ctrl_commit(struct uvc_fh *handle, int rollback,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) const struct v4l2_ext_control *xctrls,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) unsigned int xctrls_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) static inline int uvc_ctrl_commit(struct uvc_fh *handle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) const struct v4l2_ext_control *xctrls,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) unsigned int xctrls_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) return __uvc_ctrl_commit(handle, 0, xctrls, xctrls_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) static inline int uvc_ctrl_rollback(struct uvc_fh *handle)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) return __uvc_ctrl_commit(handle, 1, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) int uvc_ctrl_get(struct uvc_video_chain *chain, struct v4l2_ext_control *xctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) int uvc_ctrl_set(struct uvc_fh *handle, struct v4l2_ext_control *xctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) int uvc_xu_ctrl_query(struct uvc_video_chain *chain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) struct uvc_xu_control_query *xqry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) /* Utility functions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) void uvc_simplify_fraction(u32 *numerator, u32 *denominator,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) unsigned int n_terms, unsigned int threshold);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) u32 uvc_fraction_to_interval(u32 numerator, u32 denominator);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) struct usb_host_endpoint *uvc_find_endpoint(struct usb_host_interface *alts,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) u8 epaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) /* Quirks support */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) void uvc_video_decode_isight(struct uvc_urb *uvc_urb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) struct uvc_buffer *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) struct uvc_buffer *meta_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) /* debugfs and statistics */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) void uvc_debugfs_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) void uvc_debugfs_cleanup(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) void uvc_debugfs_init_stream(struct uvc_streaming *stream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) void uvc_debugfs_cleanup_stream(struct uvc_streaming *stream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) size_t uvc_video_stats_dump(struct uvc_streaming *stream, char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) size_t size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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