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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>
This commit is contained in:
Laurent Pinchart 2014-09-16 17:45:56 +03:00
parent d865d00db9
commit f823b75f43
1 changed files with 152 additions and 152 deletions
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304
include/uapi/linux/usb/video.h
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@ -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 */