diff options
Diffstat (limited to 'include/linux/usb/functionfs.h')
| -rw-r--r-- | include/linux/usb/functionfs.h | 167 |
1 files changed, 1 insertions, 166 deletions
diff --git a/include/linux/usb/functionfs.h b/include/linux/usb/functionfs.h index a843d0851364..65d0a88dbc67 100644 --- a/include/linux/usb/functionfs.h +++ b/include/linux/usb/functionfs.h @@ -1,171 +1,8 @@ #ifndef __LINUX_FUNCTIONFS_H__ #define __LINUX_FUNCTIONFS_H__ 1 +#include <uapi/linux/usb/functionfs.h> -#include <linux/types.h> -#include <linux/ioctl.h> - -#include <linux/usb/ch9.h> - - -enum { - FUNCTIONFS_DESCRIPTORS_MAGIC = 1, - FUNCTIONFS_STRINGS_MAGIC = 2 -}; - - -#ifndef __KERNEL__ - -/* Descriptor of an non-audio endpoint */ -struct usb_endpoint_descriptor_no_audio { - __u8 bLength; - __u8 bDescriptorType; - - __u8 bEndpointAddress; - __u8 bmAttributes; - __le16 wMaxPacketSize; - __u8 bInterval; -} __attribute__((packed)); - - -/* - * All numbers must be in little endian order. - */ - -struct usb_functionfs_descs_head { - __le32 magic; - __le32 length; - __le32 fs_count; - __le32 hs_count; -} __attribute__((packed)); - -/* - * Descriptors format: - * - * | off | name | type | description | - * |-----+-----------+--------------+--------------------------------------| - * | 0 | magic | LE32 | FUNCTIONFS_{FS,HS}_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 | - * - * descs are just valid USB descriptors and 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 | - */ - -struct usb_functionfs_strings_head { - __le32 magic; - __le32 length; - __le32 str_count; - __le32 lang_count; -} __attribute__((packed)); - -/* - * Strings format: - * - * | off | name | type | description | - * |-----+------------+-----------------------+----------------------------| - * | 0 | magic | LE32 | FUNCTIONFS_STRINGS_MAGIC | - * | 4 | length | LE32 | length of the data chunk | - * | 8 | str_count | LE32 | number of strings | - * | 12 | lang_count | LE32 | number of languages | - * | 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: - * - * | off | name | type | description | - * |-----+---------+-------------------+------------------------------------| - * | 0 | lang | LE16 | language code | - * | 2 | strings | String[str_count] | array of strings in given language | - * - * For each string there is one strings entry (ie. there are str_count - * string entries). Each String is a NUL terminated string encoded in - * UTF-8. - */ - -#endif - - -/* - * Events are delivered on the ep0 file descriptor, when the user mode driver - * reads from this file descriptor after writing the descriptors. Don't - * stop polling this descriptor. - */ - -enum usb_functionfs_event_type { - FUNCTIONFS_BIND, - FUNCTIONFS_UNBIND, - - FUNCTIONFS_ENABLE, - FUNCTIONFS_DISABLE, - - FUNCTIONFS_SETUP, - - FUNCTIONFS_SUSPEND, - FUNCTIONFS_RESUME -}; - -/* NOTE: this structure must stay the same size and layout on - * both 32-bit and 64-bit kernels. - */ -struct usb_functionfs_event { - union { - /* SETUP: packet; DATA phase i/o precedes next event - *(setup.bmRequestType & USB_DIR_IN) flags direction */ - struct usb_ctrlrequest setup; - } __attribute__((packed)) u; - - /* enum usb_functionfs_event_type */ - __u8 type; - __u8 _pad[3]; -} __attribute__((packed)); - - -/* Endpoint ioctls */ -/* The same as in gadgetfs */ - -/* IN transfers may be reported to the gadget driver as complete - * when the fifo is loaded, before the host reads the data; - * OUT transfers may be reported to the host's "client" driver as - * complete when they're sitting in the FIFO unread. - * THIS returns how many bytes are "unclaimed" in the endpoint fifo - * (needed for precise fault handling, when the hardware allows it) - */ -#define FUNCTIONFS_FIFO_STATUS _IO('g', 1) - -/* discards any unclaimed data in the fifo. */ -#define FUNCTIONFS_FIFO_FLUSH _IO('g', 2) - -/* resets endpoint halt+toggle; used to implement set_interface. - * some hardware (like pxa2xx) can't support this. - */ -#define FUNCTIONFS_CLEAR_HALT _IO('g', 3) - -/* Specific for functionfs */ - -/* - * Returns reverse mapping of an interface. Called on EP0. If there - * is no such interface returns -EDOM. If function is not active - * returns -ENODEV. - */ -#define FUNCTIONFS_INTERFACE_REVMAP _IO('g', 128) - -/* - * Returns real bEndpointAddress of an endpoint. If function is not - * active returns -ENODEV. - */ -#define FUNCTIONFS_ENDPOINT_REVMAP _IO('g', 129) - - -#ifdef __KERNEL__ struct ffs_data; struct usb_composite_dev; @@ -197,5 +34,3 @@ static void functionfs_release_dev_callback(struct ffs_data *ffs_data) #endif - -#endif |