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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2014-09-16 18:45:56 +0400
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2018-09-25 18:48:08 +0300
commitf823b75f43284c43f3792cae990d63c84dd1267d (patch)
tree20486e9f57805dd6c587ccfa1481929770ed8488 /include/uapi/linux/usb/video.h
parentd865d00db9e69eb2e6f7c4166e33e5047de497bc (diff)
downloadlinux-f823b75f43284c43f3792cae990d63c84dd1267d.tar.xz
usb: video: Fix endianness mismatches in descriptor structures
All UVC descriptors use little-endian format, update the data structures accordingly. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Tested-by: Paul Elder <paul.elder@ideasonboard.com>
Diffstat (limited to 'include/uapi/linux/usb/video.h')
-rw-r--r--include/uapi/linux/usb/video.h304
1 files changed, 152 insertions, 152 deletions
diff --git a/include/uapi/linux/usb/video.h b/include/uapi/linux/usb/video.h
index ff6cc6cb4227..d854cb19c42c 100644
--- a/include/uapi/linux/usb/video.h
+++ b/include/uapi/linux/usb/video.h
@@ -192,14 +192,14 @@ struct uvc_descriptor_header {
/* 3.7.2. Video Control Interface Header Descriptor */
struct uvc_header_descriptor {
- __u8 bLength;
- __u8 bDescriptorType;
- __u8 bDescriptorSubType;
- __u16 bcdUVC;
- __u16 wTotalLength;
- __u32 dwClockFrequency;
- __u8 bInCollection;
- __u8 baInterfaceNr[];
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubType;
+ __le16 bcdUVC;
+ __le16 wTotalLength;
+ __le32 dwClockFrequency;
+ __u8 bInCollection;
+ __u8 baInterfaceNr[];
} __attribute__((__packed__));
#define UVC_DT_HEADER_SIZE(n) (12+(n))
@@ -209,57 +209,57 @@ struct uvc_header_descriptor {
#define DECLARE_UVC_HEADER_DESCRIPTOR(n) \
struct UVC_HEADER_DESCRIPTOR(n) { \
- __u8 bLength; \
- __u8 bDescriptorType; \
- __u8 bDescriptorSubType; \
- __u16 bcdUVC; \
- __u16 wTotalLength; \
- __u32 dwClockFrequency; \
- __u8 bInCollection; \
- __u8 baInterfaceNr[n]; \
+ __u8 bLength; \
+ __u8 bDescriptorType; \
+ __u8 bDescriptorSubType; \
+ __le16 bcdUVC; \
+ __le16 wTotalLength; \
+ __le32 dwClockFrequency; \
+ __u8 bInCollection; \
+ __u8 baInterfaceNr[n]; \
} __attribute__ ((packed))
/* 3.7.2.1. Input Terminal Descriptor */
struct uvc_input_terminal_descriptor {
- __u8 bLength;
- __u8 bDescriptorType;
- __u8 bDescriptorSubType;
- __u8 bTerminalID;
- __u16 wTerminalType;
- __u8 bAssocTerminal;
- __u8 iTerminal;
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubType;
+ __u8 bTerminalID;
+ __le16 wTerminalType;
+ __u8 bAssocTerminal;
+ __u8 iTerminal;
} __attribute__((__packed__));
#define UVC_DT_INPUT_TERMINAL_SIZE 8
/* 3.7.2.2. Output Terminal Descriptor */
struct uvc_output_terminal_descriptor {
- __u8 bLength;
- __u8 bDescriptorType;
- __u8 bDescriptorSubType;
- __u8 bTerminalID;
- __u16 wTerminalType;
- __u8 bAssocTerminal;
- __u8 bSourceID;
- __u8 iTerminal;
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubType;
+ __u8 bTerminalID;
+ __le16 wTerminalType;
+ __u8 bAssocTerminal;
+ __u8 bSourceID;
+ __u8 iTerminal;
} __attribute__((__packed__));
#define UVC_DT_OUTPUT_TERMINAL_SIZE 9
/* 3.7.2.3. Camera Terminal Descriptor */
struct uvc_camera_terminal_descriptor {
- __u8 bLength;
- __u8 bDescriptorType;
- __u8 bDescriptorSubType;
- __u8 bTerminalID;
- __u16 wTerminalType;
- __u8 bAssocTerminal;
- __u8 iTerminal;
- __u16 wObjectiveFocalLengthMin;
- __u16 wObjectiveFocalLengthMax;
- __u16 wOcularFocalLength;
- __u8 bControlSize;
- __u8 bmControls[3];
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubType;
+ __u8 bTerminalID;
+ __le16 wTerminalType;
+ __u8 bAssocTerminal;
+ __u8 iTerminal;
+ __le16 wObjectiveFocalLengthMin;
+ __le16 wObjectiveFocalLengthMax;
+ __le16 wOcularFocalLength;
+ __u8 bControlSize;
+ __u8 bmControls[3];
} __attribute__((__packed__));
#define UVC_DT_CAMERA_TERMINAL_SIZE(n) (15+(n))
@@ -293,15 +293,15 @@ struct UVC_SELECTOR_UNIT_DESCRIPTOR(n) { \
/* 3.7.2.5. Processing Unit Descriptor */
struct uvc_processing_unit_descriptor {
- __u8 bLength;
- __u8 bDescriptorType;
- __u8 bDescriptorSubType;
- __u8 bUnitID;
- __u8 bSourceID;
- __u16 wMaxMultiplier;
- __u8 bControlSize;
- __u8 bmControls[2];
- __u8 iProcessing;
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubType;
+ __u8 bUnitID;
+ __u8 bSourceID;
+ __le16 wMaxMultiplier;
+ __u8 bControlSize;
+ __u8 bmControls[2];
+ __u8 iProcessing;
} __attribute__((__packed__));
#define UVC_DT_PROCESSING_UNIT_SIZE(n) (9+(n))
@@ -343,29 +343,29 @@ struct UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) { \
/* 3.8.2.2. Video Control Interrupt Endpoint Descriptor */
struct uvc_control_endpoint_descriptor {
- __u8 bLength;
- __u8 bDescriptorType;
- __u8 bDescriptorSubType;
- __u16 wMaxTransferSize;
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubType;
+ __le16 wMaxTransferSize;
} __attribute__((__packed__));
#define UVC_DT_CONTROL_ENDPOINT_SIZE 5
/* 3.9.2.1. Input Header Descriptor */
struct uvc_input_header_descriptor {
- __u8 bLength;
- __u8 bDescriptorType;
- __u8 bDescriptorSubType;
- __u8 bNumFormats;
- __u16 wTotalLength;
- __u8 bEndpointAddress;
- __u8 bmInfo;
- __u8 bTerminalLink;
- __u8 bStillCaptureMethod;
- __u8 bTriggerSupport;
- __u8 bTriggerUsage;
- __u8 bControlSize;
- __u8 bmaControls[];
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubType;
+ __u8 bNumFormats;
+ __le16 wTotalLength;
+ __u8 bEndpointAddress;
+ __u8 bmInfo;
+ __u8 bTerminalLink;
+ __u8 bStillCaptureMethod;
+ __u8 bTriggerSupport;
+ __u8 bTriggerUsage;
+ __u8 bControlSize;
+ __u8 bmaControls[];
} __attribute__((__packed__));
#define UVC_DT_INPUT_HEADER_SIZE(n, p) (13+(n*p))
@@ -375,32 +375,32 @@ struct uvc_input_header_descriptor {
#define DECLARE_UVC_INPUT_HEADER_DESCRIPTOR(n, p) \
struct UVC_INPUT_HEADER_DESCRIPTOR(n, p) { \
- __u8 bLength; \
- __u8 bDescriptorType; \
- __u8 bDescriptorSubType; \
- __u8 bNumFormats; \
- __u16 wTotalLength; \
- __u8 bEndpointAddress; \
- __u8 bmInfo; \
- __u8 bTerminalLink; \
- __u8 bStillCaptureMethod; \
- __u8 bTriggerSupport; \
- __u8 bTriggerUsage; \
- __u8 bControlSize; \
- __u8 bmaControls[p][n]; \
+ __u8 bLength; \
+ __u8 bDescriptorType; \
+ __u8 bDescriptorSubType; \
+ __u8 bNumFormats; \
+ __le16 wTotalLength; \
+ __u8 bEndpointAddress; \
+ __u8 bmInfo; \
+ __u8 bTerminalLink; \
+ __u8 bStillCaptureMethod; \
+ __u8 bTriggerSupport; \
+ __u8 bTriggerUsage; \
+ __u8 bControlSize; \
+ __u8 bmaControls[p][n]; \
} __attribute__ ((packed))
/* 3.9.2.2. Output Header Descriptor */
struct uvc_output_header_descriptor {
- __u8 bLength;
- __u8 bDescriptorType;
- __u8 bDescriptorSubType;
- __u8 bNumFormats;
- __u16 wTotalLength;
- __u8 bEndpointAddress;
- __u8 bTerminalLink;
- __u8 bControlSize;
- __u8 bmaControls[];
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubType;
+ __u8 bNumFormats;
+ __le16 wTotalLength;
+ __u8 bEndpointAddress;
+ __u8 bTerminalLink;
+ __u8 bControlSize;
+ __u8 bmaControls[];
} __attribute__((__packed__));
#define UVC_DT_OUTPUT_HEADER_SIZE(n, p) (9+(n*p))
@@ -410,15 +410,15 @@ struct uvc_output_header_descriptor {
#define DECLARE_UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) \
struct UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) { \
- __u8 bLength; \
- __u8 bDescriptorType; \
- __u8 bDescriptorSubType; \
- __u8 bNumFormats; \
- __u16 wTotalLength; \
- __u8 bEndpointAddress; \
- __u8 bTerminalLink; \
- __u8 bControlSize; \
- __u8 bmaControls[p][n]; \
+ __u8 bLength; \
+ __u8 bDescriptorType; \
+ __u8 bDescriptorSubType; \
+ __u8 bNumFormats; \
+ __le16 wTotalLength; \
+ __u8 bEndpointAddress; \
+ __u8 bTerminalLink; \
+ __u8 bControlSize; \
+ __u8 bmaControls[p][n]; \
} __attribute__ ((packed))
/* 3.9.2.6. Color matching descriptor */
@@ -473,19 +473,19 @@ struct uvc_format_uncompressed {
/* Uncompressed Payload - 3.1.2. Uncompressed Video Frame Descriptor */
struct uvc_frame_uncompressed {
- __u8 bLength;
- __u8 bDescriptorType;
- __u8 bDescriptorSubType;
- __u8 bFrameIndex;
- __u8 bmCapabilities;
- __u16 wWidth;
- __u16 wHeight;
- __u32 dwMinBitRate;
- __u32 dwMaxBitRate;
- __u32 dwMaxVideoFrameBufferSize;
- __u32 dwDefaultFrameInterval;
- __u8 bFrameIntervalType;
- __u32 dwFrameInterval[];
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubType;
+ __u8 bFrameIndex;
+ __u8 bmCapabilities;
+ __le16 wWidth;
+ __le16 wHeight;
+ __le32 dwMinBitRate;
+ __le32 dwMaxBitRate;
+ __le32 dwMaxVideoFrameBufferSize;
+ __le32 dwDefaultFrameInterval;
+ __u8 bFrameIntervalType;
+ __le32 dwFrameInterval[];
} __attribute__((__packed__));
#define UVC_DT_FRAME_UNCOMPRESSED_SIZE(n) (26+4*(n))
@@ -495,19 +495,19 @@ struct uvc_frame_uncompressed {
#define DECLARE_UVC_FRAME_UNCOMPRESSED(n) \
struct UVC_FRAME_UNCOMPRESSED(n) { \
- __u8 bLength; \
- __u8 bDescriptorType; \
- __u8 bDescriptorSubType; \
- __u8 bFrameIndex; \
- __u8 bmCapabilities; \
- __u16 wWidth; \
- __u16 wHeight; \
- __u32 dwMinBitRate; \
- __u32 dwMaxBitRate; \
- __u32 dwMaxVideoFrameBufferSize; \
- __u32 dwDefaultFrameInterval; \
- __u8 bFrameIntervalType; \
- __u32 dwFrameInterval[n]; \
+ __u8 bLength; \
+ __u8 bDescriptorType; \
+ __u8 bDescriptorSubType; \
+ __u8 bFrameIndex; \
+ __u8 bmCapabilities; \
+ __le16 wWidth; \
+ __le16 wHeight; \
+ __le32 dwMinBitRate; \
+ __le32 dwMaxBitRate; \
+ __le32 dwMaxVideoFrameBufferSize; \
+ __le32 dwDefaultFrameInterval; \
+ __u8 bFrameIntervalType; \
+ __le32 dwFrameInterval[n]; \
} __attribute__ ((packed))
/* MJPEG Payload - 3.1.1. MJPEG Video Format Descriptor */
@@ -529,19 +529,19 @@ struct uvc_format_mjpeg {
/* MJPEG Payload - 3.1.2. MJPEG Video Frame Descriptor */
struct uvc_frame_mjpeg {
- __u8 bLength;
- __u8 bDescriptorType;
- __u8 bDescriptorSubType;
- __u8 bFrameIndex;
- __u8 bmCapabilities;
- __u16 wWidth;
- __u16 wHeight;
- __u32 dwMinBitRate;
- __u32 dwMaxBitRate;
- __u32 dwMaxVideoFrameBufferSize;
- __u32 dwDefaultFrameInterval;
- __u8 bFrameIntervalType;
- __u32 dwFrameInterval[];
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubType;
+ __u8 bFrameIndex;
+ __u8 bmCapabilities;
+ __le16 wWidth;
+ __le16 wHeight;
+ __le32 dwMinBitRate;
+ __le32 dwMaxBitRate;
+ __le32 dwMaxVideoFrameBufferSize;
+ __le32 dwDefaultFrameInterval;
+ __u8 bFrameIntervalType;
+ __le32 dwFrameInterval[];
} __attribute__((__packed__));
#define UVC_DT_FRAME_MJPEG_SIZE(n) (26+4*(n))
@@ -551,19 +551,19 @@ struct uvc_frame_mjpeg {
#define DECLARE_UVC_FRAME_MJPEG(n) \
struct UVC_FRAME_MJPEG(n) { \
- __u8 bLength; \
- __u8 bDescriptorType; \
- __u8 bDescriptorSubType; \
- __u8 bFrameIndex; \
- __u8 bmCapabilities; \
- __u16 wWidth; \
- __u16 wHeight; \
- __u32 dwMinBitRate; \
- __u32 dwMaxBitRate; \
- __u32 dwMaxVideoFrameBufferSize; \
- __u32 dwDefaultFrameInterval; \
- __u8 bFrameIntervalType; \
- __u32 dwFrameInterval[n]; \
+ __u8 bLength; \
+ __u8 bDescriptorType; \
+ __u8 bDescriptorSubType; \
+ __u8 bFrameIndex; \
+ __u8 bmCapabilities; \
+ __le16 wWidth; \
+ __le16 wHeight; \
+ __le32 dwMinBitRate; \
+ __le32 dwMaxBitRate; \
+ __le32 dwMaxVideoFrameBufferSize; \
+ __le32 dwDefaultFrameInterval; \
+ __u8 bFrameIntervalType; \
+ __le32 dwFrameInterval[n]; \
} __attribute__ ((packed))
#endif /* __LINUX_USB_VIDEO_H */
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-11 17:31:39 +0300