torque
eace0bf8db
the readme is a ramble and there's no functionality (yet). couldn't ask for a better start.
212 lines
6.2 KiB
C
212 lines
6.2 KiB
C
/*
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* usbfs header structures
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* Copyright © 2007 Daniel Drake <dsd@gentoo.org>
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* Copyright © 2001 Johannes Erdfelt <johannes@erdfelt.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef LIBUSB_USBFS_H
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#define LIBUSB_USBFS_H
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#include <linux/magic.h>
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#include <linux/types.h>
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#define SYSFS_MOUNT_PATH "/sys"
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#define SYSFS_DEVICE_PATH SYSFS_MOUNT_PATH "/bus/usb/devices"
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struct usbfs_ctrltransfer {
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/* keep in sync with usbdevice_fs.h:usbdevfs_ctrltransfer */
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__u8 bmRequestType;
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__u8 bRequest;
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__u16 wValue;
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__u16 wIndex;
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__u16 wLength;
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__u32 timeout; /* in milliseconds */
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/* pointer to data */
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void *data;
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};
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struct usbfs_setinterface {
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/* keep in sync with usbdevice_fs.h:usbdevfs_setinterface */
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unsigned int interface;
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unsigned int altsetting;
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};
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#define USBFS_MAXDRIVERNAME 255
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struct usbfs_getdriver {
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unsigned int interface;
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char driver[USBFS_MAXDRIVERNAME + 1];
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};
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#define USBFS_URB_SHORT_NOT_OK 0x01
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#define USBFS_URB_ISO_ASAP 0x02
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#define USBFS_URB_BULK_CONTINUATION 0x04
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#define USBFS_URB_QUEUE_BULK 0x10
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#define USBFS_URB_ZERO_PACKET 0x40
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#define USBFS_URB_TYPE_ISO 0
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#define USBFS_URB_TYPE_INTERRUPT 1
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#define USBFS_URB_TYPE_CONTROL 2
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#define USBFS_URB_TYPE_BULK 3
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struct usbfs_iso_packet_desc {
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unsigned int length;
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unsigned int actual_length;
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unsigned int status;
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};
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#define MAX_BULK_BUFFER_LENGTH 16384
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#define MAX_CTRL_BUFFER_LENGTH 4096
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#define MAX_ISO_PACKETS_PER_URB 128
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struct usbfs_urb {
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unsigned char type;
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unsigned char endpoint;
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int status;
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unsigned int flags;
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void *buffer;
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int buffer_length;
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int actual_length;
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int start_frame;
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union {
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int number_of_packets; /* Only used for isoc urbs */
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unsigned int stream_id; /* Only used with bulk streams */
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};
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int error_count;
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unsigned int signr;
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void *usercontext;
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struct usbfs_iso_packet_desc iso_frame_desc[0];
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};
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struct usbfs_connectinfo {
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unsigned int devnum;
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unsigned char slow;
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};
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struct usbfs_ioctl {
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int ifno; /* interface 0..N ; negative numbers reserved */
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int ioctl_code; /* MUST encode size + direction of data so the
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* macros in <asm/ioctl.h> give correct values */
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void *data; /* param buffer (in, or out) */
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};
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#define USBFS_CAP_ZERO_PACKET 0x01
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#define USBFS_CAP_BULK_CONTINUATION 0x02
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#define USBFS_CAP_NO_PACKET_SIZE_LIM 0x04
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#define USBFS_CAP_BULK_SCATTER_GATHER 0x08
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#define USBFS_CAP_REAP_AFTER_DISCONNECT 0x10
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#define USBFS_DISCONNECT_CLAIM_IF_DRIVER 0x01
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#define USBFS_DISCONNECT_CLAIM_EXCEPT_DRIVER 0x02
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struct usbfs_disconnect_claim {
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unsigned int interface;
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unsigned int flags;
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char driver[USBFS_MAXDRIVERNAME + 1];
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};
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struct usbfs_streams {
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unsigned int num_streams; /* Not used by USBDEVFS_FREE_STREAMS */
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unsigned int num_eps;
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unsigned char eps[0];
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};
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#define USBFS_SPEED_UNKNOWN 0
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#define USBFS_SPEED_LOW 1
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#define USBFS_SPEED_FULL 2
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#define USBFS_SPEED_HIGH 3
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#define USBFS_SPEED_WIRELESS 4
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#define USBFS_SPEED_SUPER 5
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#define USBFS_SPEED_SUPER_PLUS 6
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#define IOCTL_USBFS_CONTROL _IOWR('U', 0, struct usbfs_ctrltransfer)
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#define IOCTL_USBFS_SETINTERFACE _IOR('U', 4, struct usbfs_setinterface)
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#define IOCTL_USBFS_SETCONFIGURATION _IOR('U', 5, unsigned int)
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#define IOCTL_USBFS_GETDRIVER _IOW('U', 8, struct usbfs_getdriver)
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#define IOCTL_USBFS_SUBMITURB _IOR('U', 10, struct usbfs_urb)
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#define IOCTL_USBFS_DISCARDURB _IO('U', 11)
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#define IOCTL_USBFS_REAPURBNDELAY _IOW('U', 13, void *)
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#define IOCTL_USBFS_CLAIMINTERFACE _IOR('U', 15, unsigned int)
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#define IOCTL_USBFS_RELEASEINTERFACE _IOR('U', 16, unsigned int)
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#define IOCTL_USBFS_CONNECTINFO _IOW('U', 17, struct usbfs_connectinfo)
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#define IOCTL_USBFS_IOCTL _IOWR('U', 18, struct usbfs_ioctl)
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#define IOCTL_USBFS_RESET _IO('U', 20)
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#define IOCTL_USBFS_CLEAR_HALT _IOR('U', 21, unsigned int)
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#define IOCTL_USBFS_DISCONNECT _IO('U', 22)
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#define IOCTL_USBFS_CONNECT _IO('U', 23)
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#define IOCTL_USBFS_GET_CAPABILITIES _IOR('U', 26, __u32)
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#define IOCTL_USBFS_DISCONNECT_CLAIM _IOR('U', 27, struct usbfs_disconnect_claim)
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#define IOCTL_USBFS_ALLOC_STREAMS _IOR('U', 28, struct usbfs_streams)
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#define IOCTL_USBFS_FREE_STREAMS _IOR('U', 29, struct usbfs_streams)
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#define IOCTL_USBFS_DROP_PRIVILEGES _IOW('U', 30, __u32)
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#define IOCTL_USBFS_GET_SPEED _IO('U', 31)
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extern usbi_mutex_static_t linux_hotplug_lock;
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#ifdef HAVE_LIBUDEV
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int linux_udev_start_event_monitor(void);
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int linux_udev_stop_event_monitor(void);
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int linux_udev_scan_devices(struct libusb_context *ctx);
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void linux_udev_hotplug_poll(void);
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#else
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int linux_netlink_start_event_monitor(void);
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int linux_netlink_stop_event_monitor(void);
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void linux_netlink_hotplug_poll(void);
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#endif
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static inline int linux_start_event_monitor(void)
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{
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#if defined(HAVE_LIBUDEV)
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return linux_udev_start_event_monitor();
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#elif !defined(__ANDROID__)
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return linux_netlink_start_event_monitor();
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#else
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return LIBUSB_SUCCESS;
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#endif
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}
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static inline void linux_stop_event_monitor(void)
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{
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#if defined(HAVE_LIBUDEV)
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linux_udev_stop_event_monitor();
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#elif !defined(__ANDROID__)
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linux_netlink_stop_event_monitor();
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#endif
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}
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static inline void linux_hotplug_poll(void)
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{
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#if defined(HAVE_LIBUDEV)
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linux_udev_hotplug_poll();
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#elif !defined(__ANDROID__)
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linux_netlink_hotplug_poll();
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#endif
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}
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void linux_hotplug_enumerate(uint8_t busnum, uint8_t devaddr, const char *sys_name);
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void linux_device_disconnected(uint8_t busnum, uint8_t devaddr);
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int linux_get_device_address(struct libusb_context *ctx, int detached,
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uint8_t *busnum, uint8_t *devaddr, const char *dev_node,
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const char *sys_name, int fd);
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int linux_enumerate_device(struct libusb_context *ctx,
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uint8_t busnum, uint8_t devaddr, const char *sysfs_dir);
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#endif
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