diff options
Diffstat (limited to 'include/uapi/linux/usb')
-rw-r--r-- | include/uapi/linux/usb/ch9.h | 10 | ||||
-rw-r--r-- | include/uapi/linux/usb/functionfs.h | 146 | ||||
-rw-r--r-- | include/uapi/linux/usb/g_hid.h | 40 | ||||
-rw-r--r-- | include/uapi/linux/usb/gadgetfs.h | 2 | ||||
-rw-r--r-- | include/uapi/linux/usb/video.h | 58 |
5 files changed, 241 insertions, 15 deletions
diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h index 8a147abfc680..91f0f7e214a5 100644 --- a/include/uapi/linux/usb/ch9.h +++ b/include/uapi/linux/usb/ch9.h @@ -254,6 +254,9 @@ struct usb_ctrlrequest { #define USB_DT_DEVICE_CAPABILITY 0x10 #define USB_DT_WIRELESS_ENDPOINT_COMP 0x11 #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 */ @@ -329,9 +332,10 @@ struct usb_device_descriptor { #define USB_CLASS_USB_TYPE_C_BRIDGE 0x12 #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 /*-------------------------------------------------------------------------*/ @@ -763,6 +767,8 @@ struct usb_otg20_descriptor { #define USB_OTG_SRP (1 << 0) #define USB_OTG_HNP (1 << 1) /* swap host/device roles */ #define USB_OTG_ADP (1 << 2) /* support ADP */ +/* OTG 3.0 */ +#define USB_OTG_RSP (1 << 3) /* support RSP */ #define OTG_STS_SELECTOR 0xF000 /* OTG status selector */ /*-------------------------------------------------------------------------*/ diff --git a/include/uapi/linux/usb/functionfs.h b/include/uapi/linux/usb/functionfs.h index 078098e73fd3..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; @@ -86,25 +112,56 @@ struct usb_ext_prop_desc { __le16 wPropertyNameLength; } __attribute__((packed)); +/* Flags for usb_ffs_dmabuf_transfer_req->flags (none for now) */ +#define USB_FFS_DMABUF_TRANSFER_MASK 0x0 + +/** + * struct usb_ffs_dmabuf_transfer_req - Transfer request for a DMABUF object + * @fd: file descriptor of the DMABUF object + * @flags: one or more USB_FFS_DMABUF_TRANSFER_* flags + * @length: number of bytes used in this DMABUF for the data transfer. + * Should generally be set to the DMABUF's size. + */ +struct usb_ffs_dmabuf_transfer_req { + int fd; + __u32 flags; + __u64 length; +} __attribute__((packed)); + #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 @@ -112,71 +169,111 @@ struct usb_ext_prop_desc { * * 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 { @@ -198,7 +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 | * |-----+---------+-------------------+------------------------------------| @@ -290,6 +387,31 @@ struct usb_functionfs_event { #define FUNCTIONFS_ENDPOINT_DESC _IOR('g', 130, \ struct usb_endpoint_descriptor) +/* + * Attach the DMABUF object, identified by its file descriptor, to the + * data endpoint. Returns zero on success, and a negative errno value + * on error. + */ +#define FUNCTIONFS_DMABUF_ATTACH _IOW('g', 131, int) + +/* + * Detach the given DMABUF object, identified by its file descriptor, + * from the data endpoint. Returns zero on success, and a negative + * errno value on error. Note that closing the endpoint's file + * descriptor will automatically detach all attached DMABUFs. + */ +#define FUNCTIONFS_DMABUF_DETACH _IOW('g', 132, int) + +/* + * Enqueue the previously attached DMABUF to the transfer queue. + * The argument is a structure that packs the DMABUF's file descriptor, + * the size in bytes to transfer (which should generally correspond to + * the size of the DMABUF), and a 'flags' field which is unused + * for now. Returns zero on success, and a negative errno value on + * error. + */ +#define FUNCTIONFS_DMABUF_TRANSFER _IOW('g', 133, \ + struct usb_ffs_dmabuf_transfer_req) #endif /* _UAPI__LINUX_FUNCTIONFS_H__ */ 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..526b5155e23c 100644 --- a/include/uapi/linux/usb/video.h +++ b/include/uapi/linux/usb/video.h @@ -597,5 +597,63 @@ 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 */ |