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-rw-r--r--include/uapi/linux/usb/ch9.h24
-rw-r--r--include/uapi/linux/usb/functionfs.h105
-rw-r--r--include/uapi/linux/usb/g_hid.h40
-rw-r--r--include/uapi/linux/usb/gadgetfs.h2
-rw-r--r--include/uapi/linux/usb/video.h59
5 files changed, 215 insertions, 15 deletions
diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h
index 44d73ba8788d..8003243a4937 100644
--- a/include/uapi/linux/usb/ch9.h
+++ b/include/uapi/linux/usb/ch9.h
@@ -253,7 +253,13 @@ struct usb_ctrlrequest {
#define USB_DT_BOS 0x0f
#define USB_DT_DEVICE_CAPABILITY 0x10
#define USB_DT_WIRELESS_ENDPOINT_COMP 0x11
+/* From the eUSB2 spec */
+#define USB_DT_EUSB2_ISOC_ENDPOINT_COMP 0x12
+/* From Wireless USB spec */
#define USB_DT_WIRE_ADAPTER 0x21
+/* From USB Device Firmware Upgrade Specification, Revision 1.1 */
+#define USB_DT_DFU_FUNCTIONAL 0x21
+/* these are from the Wireless USB spec */
#define USB_DT_RPIPE 0x22
#define USB_DT_CS_RADIO_CONTROL 0x23
/* From the T10 UAS specification */
@@ -327,11 +333,13 @@ struct usb_device_descriptor {
#define USB_CLASS_AUDIO_VIDEO 0x10
#define USB_CLASS_BILLBOARD 0x11
#define USB_CLASS_USB_TYPE_C_BRIDGE 0x12
+#define USB_CLASS_MCTP 0x14
#define USB_CLASS_MISC 0xef
#define USB_CLASS_APP_SPEC 0xfe
-#define USB_CLASS_VENDOR_SPEC 0xff
+#define USB_SUBCLASS_DFU 0x01
-#define USB_SUBCLASS_VENDOR_SPEC 0xff
+#define USB_CLASS_VENDOR_SPEC 0xff
+#define USB_SUBCLASS_VENDOR_SPEC 0xff
/*-------------------------------------------------------------------------*/
@@ -671,6 +679,18 @@ static inline int usb_endpoint_interrupt_type(
/*-------------------------------------------------------------------------*/
+/* USB_DT_EUSB2_ISOC_ENDPOINT_COMP: eUSB2 Isoch Endpoint Companion descriptor */
+struct usb_eusb2_isoc_ep_comp_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __le16 wMaxPacketSize;
+ __le32 dwBytesPerInterval;
+} __attribute__ ((packed));
+
+#define USB_DT_EUSB2_ISOC_EP_COMP_SIZE 8
+
+/*-------------------------------------------------------------------------*/
+
/* USB_DT_SSP_ISOC_ENDPOINT_COMP: SuperSpeedPlus Isochronous Endpoint Companion
* descriptor
*/
diff --git a/include/uapi/linux/usb/functionfs.h b/include/uapi/linux/usb/functionfs.h
index 9f88de9c3d66..beef1752e36e 100644
--- a/include/uapi/linux/usb/functionfs.h
+++ b/include/uapi/linux/usb/functionfs.h
@@ -3,6 +3,7 @@
#define _UAPI__LINUX_FUNCTIONFS_H__
+#include <linux/const.h>
#include <linux/types.h>
#include <linux/ioctl.h>
@@ -37,6 +38,31 @@ struct usb_endpoint_descriptor_no_audio {
__u8 bInterval;
} __attribute__((packed));
+/**
+ * struct usb_dfu_functional_descriptor - DFU Functional descriptor
+ * @bLength: Size of the descriptor (bytes)
+ * @bDescriptorType: USB_DT_DFU_FUNCTIONAL
+ * @bmAttributes: DFU attributes
+ * @wDetachTimeOut: Maximum time to wait after DFU_DETACH (ms, le16)
+ * @wTransferSize: Maximum number of bytes per control-write (le16)
+ * @bcdDFUVersion: DFU Spec version (BCD, le16)
+ */
+struct usb_dfu_functional_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bmAttributes;
+ __le16 wDetachTimeOut;
+ __le16 wTransferSize;
+ __le16 bcdDFUVersion;
+} __attribute__ ((packed));
+
+/* from DFU functional descriptor bmAttributes */
+#define DFU_FUNC_ATT_CAN_DOWNLOAD _BITUL(0)
+#define DFU_FUNC_ATT_CAN_UPLOAD _BITUL(1)
+#define DFU_FUNC_ATT_MANIFEST_TOLERANT _BITUL(2)
+#define DFU_FUNC_ATT_WILL_DETACH _BITUL(3)
+
+
struct usb_functionfs_descs_head_v2 {
__le32 magic;
__le32 length;
@@ -104,23 +130,38 @@ struct usb_ffs_dmabuf_transfer_req {
#ifndef __KERNEL__
-/*
+/**
+ * DOC: descriptors
+ *
* Descriptors format:
*
+ * +-----+-----------+--------------+--------------------------------------+
* | off | name | type | description |
- * |-----+-----------+--------------+--------------------------------------|
+ * +-----+-----------+--------------+--------------------------------------+
* | 0 | magic | LE32 | FUNCTIONFS_DESCRIPTORS_MAGIC_V2 |
+ * +-----+-----------+--------------+--------------------------------------+
* | 4 | length | LE32 | length of the whole data chunk |
+ * +-----+-----------+--------------+--------------------------------------+
* | 8 | flags | LE32 | combination of functionfs_flags |
+ * +-----+-----------+--------------+--------------------------------------+
* | | eventfd | LE32 | eventfd file descriptor |
+ * +-----+-----------+--------------+--------------------------------------+
* | | fs_count | LE32 | number of full-speed descriptors |
+ * +-----+-----------+--------------+--------------------------------------+
* | | hs_count | LE32 | number of high-speed descriptors |
+ * +-----+-----------+--------------+--------------------------------------+
* | | ss_count | LE32 | number of super-speed descriptors |
+ * +-----+-----------+--------------+--------------------------------------+
* | | os_count | LE32 | number of MS OS descriptors |
+ * +-----+-----------+--------------+--------------------------------------+
* | | fs_descrs | Descriptor[] | list of full-speed descriptors |
+ * +-----+-----------+--------------+--------------------------------------+
* | | hs_descrs | Descriptor[] | list of high-speed descriptors |
+ * +-----+-----------+--------------+--------------------------------------+
* | | ss_descrs | Descriptor[] | list of super-speed descriptors |
+ * +-----+-----------+--------------+--------------------------------------+
* | | os_descrs | OSDesc[] | list of MS OS descriptors |
+ * +-----+-----------+--------------+--------------------------------------+
*
* Depending on which flags are set, various fields may be missing in the
* structure. Any flags that are not recognised cause the whole block to be
@@ -128,71 +169,111 @@ struct usb_ffs_dmabuf_transfer_req {
*
* Legacy descriptors format (deprecated as of 3.14):
*
+ * +-----+-----------+--------------+--------------------------------------+
* | off | name | type | description |
- * |-----+-----------+--------------+--------------------------------------|
+ * +-----+-----------+--------------+--------------------------------------+
* | 0 | magic | LE32 | FUNCTIONFS_DESCRIPTORS_MAGIC |
+ * +-----+-----------+--------------+--------------------------------------+
* | 4 | length | LE32 | length of the whole data chunk |
+ * +-----+-----------+--------------+--------------------------------------+
* | 8 | fs_count | LE32 | number of full-speed descriptors |
+ * +-----+-----------+--------------+--------------------------------------+
* | 12 | hs_count | LE32 | number of high-speed descriptors |
+ * +-----+-----------+--------------+--------------------------------------+
* | 16 | fs_descrs | Descriptor[] | list of full-speed descriptors |
+ * +-----+-----------+--------------+--------------------------------------+
* | | hs_descrs | Descriptor[] | list of high-speed descriptors |
+ * +-----+-----------+--------------+--------------------------------------+
*
* All numbers must be in little endian order.
*
* Descriptor[] is an array of valid USB descriptors which have the following
* format:
*
+ * +-----+-----------------+------+--------------------------+
* | off | name | type | description |
- * |-----+-----------------+------+--------------------------|
+ * +-----+-----------------+------+--------------------------+
* | 0 | bLength | U8 | length of the descriptor |
+ * +-----+-----------------+------+--------------------------+
* | 1 | bDescriptorType | U8 | descriptor type |
+ * +-----+-----------------+------+--------------------------+
* | 2 | payload | | descriptor's payload |
+ * +-----+-----------------+------+--------------------------+
*
* OSDesc[] is an array of valid MS OS Feature Descriptors which have one of
* the following formats:
*
+ * +-----+-----------------+------+--------------------------+
* | off | name | type | description |
- * |-----+-----------------+------+--------------------------|
- * | 0 | inteface | U8 | related interface number |
+ * +-----+-----------------+------+--------------------------+
+ * | 0 | interface | U8 | related interface number |
+ * +-----+-----------------+------+--------------------------+
* | 1 | dwLength | U32 | length of the descriptor |
+ * +-----+-----------------+------+--------------------------+
* | 5 | bcdVersion | U16 | currently supported: 1 |
+ * +-----+-----------------+------+--------------------------+
* | 7 | wIndex | U16 | currently supported: 4 |
+ * +-----+-----------------+------+--------------------------+
* | 9 | bCount | U8 | number of ext. compat. |
+ * +-----+-----------------+------+--------------------------+
* | 10 | Reserved | U8 | 0 |
+ * +-----+-----------------+------+--------------------------+
* | 11 | ExtCompat[] | | list of ext. compat. d. |
+ * +-----+-----------------+------+--------------------------+
*
+ * +-----+-----------------+------+--------------------------+
* | off | name | type | description |
- * |-----+-----------------+------+--------------------------|
- * | 0 | inteface | U8 | related interface number |
+ * +-----+-----------------+------+--------------------------+
+ * | 0 | interface | U8 | related interface number |
+ * +-----+-----------------+------+--------------------------+
* | 1 | dwLength | U32 | length of the descriptor |
+ * +-----+-----------------+------+--------------------------+
* | 5 | bcdVersion | U16 | currently supported: 1 |
+ * +-----+-----------------+------+--------------------------+
* | 7 | wIndex | U16 | currently supported: 5 |
+ * +-----+-----------------+------+--------------------------+
* | 9 | wCount | U16 | number of ext. compat. |
+ * +-----+-----------------+------+--------------------------+
* | 11 | ExtProp[] | | list of ext. prop. d. |
+ * +-----+-----------------+------+--------------------------+
*
- * ExtCompat[] is an array of valid Extended Compatiblity descriptors
+ * ExtCompat[] is an array of valid Extended Compatibility descriptors
* which have the following format:
*
+ * +-----+-----------------------+------+-------------------------------------+
* | off | name | type | description |
- * |-----+-----------------------+------+-------------------------------------|
+ * +-----+-----------------------+------+-------------------------------------+
* | 0 | bFirstInterfaceNumber | U8 | index of the interface or of the 1st|
+ * +-----+-----------------------+------+-------------------------------------+
* | | | | interface in an IAD group |
+ * +-----+-----------------------+------+-------------------------------------+
* | 1 | Reserved | U8 | 1 |
+ * +-----+-----------------------+------+-------------------------------------+
* | 2 | CompatibleID | U8[8]| compatible ID string |
+ * +-----+-----------------------+------+-------------------------------------+
* | 10 | SubCompatibleID | U8[8]| subcompatible ID string |
+ * +-----+-----------------------+------+-------------------------------------+
* | 18 | Reserved | U8[6]| 0 |
+ * +-----+-----------------------+------+-------------------------------------+
*
* ExtProp[] is an array of valid Extended Properties descriptors
* which have the following format:
*
+ * +-----+-----------------------+------+-------------------------------------+
* | off | name | type | description |
- * |-----+-----------------------+------+-------------------------------------|
+ * +-----+-----------------------+------+-------------------------------------+
* | 0 | dwSize | U32 | length of the descriptor |
+ * +-----+-----------------------+------+-------------------------------------+
* | 4 | dwPropertyDataType | U32 | 1..7 |
+ * +-----+-----------------------+------+-------------------------------------+
* | 8 | wPropertyNameLength | U16 | bPropertyName length (NL) |
+ * +-----+-----------------------+------+-------------------------------------+
* | 10 | bPropertyName |U8[NL]| name of this property |
+ * +-----+-----------------------+------+-------------------------------------+
* |10+NL| dwPropertyDataLength | U32 | bPropertyData length (DL) |
+ * +-----+-----------------------+------+-------------------------------------+
* |14+NL| bProperty |U8[DL]| payload of this property |
+ * +-----+-----------------------+------+-------------------------------------+
*/
struct usb_functionfs_strings_head {
@@ -214,7 +295,7 @@ struct usb_functionfs_strings_head {
* | 16 | stringtab | StringTab[lang_count] | table of strings per lang |
*
* For each language there is one stringtab entry (ie. there are lang_count
- * stringtab entires). Each StringTab has following format:
+ * stringtab entries). Each StringTab has following format:
*
* | off | name | type | description |
* |-----+---------+-------------------+------------------------------------|
diff --git a/include/uapi/linux/usb/g_hid.h b/include/uapi/linux/usb/g_hid.h
new file mode 100644
index 000000000000..b965092db476
--- /dev/null
+++ b/include/uapi/linux/usb/g_hid.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+
+#ifndef __UAPI_LINUX_USB_G_HID_H
+#define __UAPI_LINUX_USB_G_HID_H
+
+#include <linux/types.h>
+
+/* Maximum HID report length for High-Speed USB (i.e. USB 2.0) */
+#define MAX_REPORT_LENGTH 64
+
+/**
+ * struct usb_hidg_report - response to GET_REPORT
+ * @report_id: report ID that this is a response for
+ * @userspace_req:
+ * !0 this report is used for any pending GET_REPORT request
+ * but wait on userspace to issue a new report on future requests
+ * 0 this report is to be used for any future GET_REPORT requests
+ * @length: length of the report response
+ * @data: report response
+ * @padding: padding for 32/64 bit compatibility
+ *
+ * Structure used by GADGET_HID_WRITE_GET_REPORT ioctl on /dev/hidg*.
+ */
+struct usb_hidg_report {
+ __u8 report_id;
+ __u8 userspace_req;
+ __u16 length;
+ __u8 data[MAX_REPORT_LENGTH];
+ __u8 padding[4];
+};
+
+/* The 'g' code is used by gadgetfs and hid gadget ioctl requests.
+ * Don't add any colliding codes to either driver, and keep
+ * them in unique ranges.
+ */
+
+#define GADGET_HID_READ_GET_REPORT_ID _IOR('g', 0x41, __u8)
+#define GADGET_HID_WRITE_GET_REPORT _IOW('g', 0x42, struct usb_hidg_report)
+
+#endif /* __UAPI_LINUX_USB_G_HID_H */
diff --git a/include/uapi/linux/usb/gadgetfs.h b/include/uapi/linux/usb/gadgetfs.h
index 835473910a49..9754822b2a40 100644
--- a/include/uapi/linux/usb/gadgetfs.h
+++ b/include/uapi/linux/usb/gadgetfs.h
@@ -62,7 +62,7 @@ struct usb_gadgetfs_event {
};
-/* The 'g' code is also used by printer gadget ioctl requests.
+/* The 'g' code is also used by printer and hid gadget ioctl requests.
* Don't add any colliding codes to either driver, and keep
* them in unique ranges (size 0x20 for now).
*/
diff --git a/include/uapi/linux/usb/video.h b/include/uapi/linux/usb/video.h
index 2ff0e8a3a683..e1d9f5773187 100644
--- a/include/uapi/linux/usb/video.h
+++ b/include/uapi/linux/usb/video.h
@@ -104,6 +104,7 @@
#define UVC_CT_ROLL_ABSOLUTE_CONTROL 0x0f
#define UVC_CT_ROLL_RELATIVE_CONTROL 0x10
#define UVC_CT_PRIVACY_CONTROL 0x11
+#define UVC_CT_REGION_OF_INTEREST_CONTROL 0x14
/* A.9.5. Processing Unit Control Selectors */
#define UVC_PU_CONTROL_UNDEFINED 0x00
@@ -597,5 +598,63 @@ struct UVC_FRAME_MJPEG(n) { \
__le32 dwFrameInterval[n]; \
} __attribute__ ((packed))
+/* Frame Based Payload - 3.1.1. Frame Based Video Format Descriptor */
+struct uvc_format_framebased {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubType;
+ __u8 bFormatIndex;
+ __u8 bNumFrameDescriptors;
+ __u8 guidFormat[16];
+ __u8 bBitsPerPixel;
+ __u8 bDefaultFrameIndex;
+ __u8 bAspectRatioX;
+ __u8 bAspectRatioY;
+ __u8 bmInterfaceFlags;
+ __u8 bCopyProtect;
+ __u8 bVariableSize;
+} __attribute__((__packed__));
+
+#define UVC_DT_FORMAT_FRAMEBASED_SIZE 28
+
+/* Frame Based Payload - 3.1.2. Frame Based Video Frame Descriptor */
+struct uvc_frame_framebased {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubType;
+ __u8 bFrameIndex;
+ __u8 bmCapabilities;
+ __u16 wWidth;
+ __u16 wHeight;
+ __u32 dwMinBitRate;
+ __u32 dwMaxBitRate;
+ __u32 dwDefaultFrameInterval;
+ __u8 bFrameIntervalType;
+ __u32 dwBytesPerLine;
+ __u32 dwFrameInterval[];
+} __attribute__((__packed__));
+
+#define UVC_DT_FRAME_FRAMEBASED_SIZE(n) (26+4*(n))
+
+#define UVC_FRAME_FRAMEBASED(n) \
+ uvc_frame_framebased_##n
+
+#define DECLARE_UVC_FRAME_FRAMEBASED(n) \
+struct UVC_FRAME_FRAMEBASED(n) { \
+ __u8 bLength; \
+ __u8 bDescriptorType; \
+ __u8 bDescriptorSubType; \
+ __u8 bFrameIndex; \
+ __u8 bmCapabilities; \
+ __u16 wWidth; \
+ __u16 wHeight; \
+ __u32 dwMinBitRate; \
+ __u32 dwMaxBitRate; \
+ __u32 dwDefaultFrameInterval; \
+ __u8 bFrameIntervalType; \
+ __u32 dwBytesPerLine; \
+ __u32 dwFrameInterval[n]; \
+} __attribute__ ((packed))
+
#endif /* __LINUX_USB_VIDEO_H */
generated by cgit (git 2.34.1) at 2025-07-25 08:17:52 +0000