diff options
Diffstat (limited to 'hardware/src/libusb/os/linux_usbfs.h')
| -rw-r--r-- | hardware/src/libusb/os/linux_usbfs.h | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/hardware/src/libusb/os/linux_usbfs.h b/hardware/src/libusb/os/linux_usbfs.h new file mode 100644 index 0000000..1238ffa --- /dev/null +++ b/hardware/src/libusb/os/linux_usbfs.h @@ -0,0 +1,211 @@ +/* + * usbfs header structures + * Copyright © 2007 Daniel Drake <dsd@gentoo.org> + * Copyright © 2001 Johannes Erdfelt <johannes@erdfelt.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef LIBUSB_USBFS_H +#define LIBUSB_USBFS_H + +#include <linux/magic.h> +#include <linux/types.h> + +#define SYSFS_MOUNT_PATH "/sys" +#define SYSFS_DEVICE_PATH SYSFS_MOUNT_PATH "/bus/usb/devices" + +struct usbfs_ctrltransfer { + /* keep in sync with usbdevice_fs.h:usbdevfs_ctrltransfer */ + __u8 bmRequestType; + __u8 bRequest; + __u16 wValue; + __u16 wIndex; + __u16 wLength; + __u32 timeout; /* in milliseconds */ + + /* pointer to data */ + void *data; +}; + +struct usbfs_setinterface { + /* keep in sync with usbdevice_fs.h:usbdevfs_setinterface */ + unsigned int interface; + unsigned int altsetting; +}; + +#define USBFS_MAXDRIVERNAME 255 + +struct usbfs_getdriver { + unsigned int interface; + char driver[USBFS_MAXDRIVERNAME + 1]; +}; + +#define USBFS_URB_SHORT_NOT_OK 0x01 +#define USBFS_URB_ISO_ASAP 0x02 +#define USBFS_URB_BULK_CONTINUATION 0x04 +#define USBFS_URB_QUEUE_BULK 0x10 +#define USBFS_URB_ZERO_PACKET 0x40 + +#define USBFS_URB_TYPE_ISO 0 +#define USBFS_URB_TYPE_INTERRUPT 1 +#define USBFS_URB_TYPE_CONTROL 2 +#define USBFS_URB_TYPE_BULK 3 + +struct usbfs_iso_packet_desc { + unsigned int length; + unsigned int actual_length; + unsigned int status; +}; + +#define MAX_BULK_BUFFER_LENGTH 16384 +#define MAX_CTRL_BUFFER_LENGTH 4096 + +#define MAX_ISO_PACKETS_PER_URB 128 + +struct usbfs_urb { + unsigned char type; + unsigned char endpoint; + int status; + unsigned int flags; + void *buffer; + int buffer_length; + int actual_length; + int start_frame; + union { + int number_of_packets; /* Only used for isoc urbs */ + unsigned int stream_id; /* Only used with bulk streams */ + }; + int error_count; + unsigned int signr; + void *usercontext; + struct usbfs_iso_packet_desc iso_frame_desc[0]; +}; + +struct usbfs_connectinfo { + unsigned int devnum; + unsigned char slow; +}; + +struct usbfs_ioctl { + int ifno; /* interface 0..N ; negative numbers reserved */ + int ioctl_code; /* MUST encode size + direction of data so the + * macros in <asm/ioctl.h> give correct values */ + void *data; /* param buffer (in, or out) */ +}; + +#define USBFS_CAP_ZERO_PACKET 0x01 +#define USBFS_CAP_BULK_CONTINUATION 0x02 +#define USBFS_CAP_NO_PACKET_SIZE_LIM 0x04 +#define USBFS_CAP_BULK_SCATTER_GATHER 0x08 +#define USBFS_CAP_REAP_AFTER_DISCONNECT 0x10 + +#define USBFS_DISCONNECT_CLAIM_IF_DRIVER 0x01 +#define USBFS_DISCONNECT_CLAIM_EXCEPT_DRIVER 0x02 + +struct usbfs_disconnect_claim { + unsigned int interface; + unsigned int flags; + char driver[USBFS_MAXDRIVERNAME + 1]; +}; + +struct usbfs_streams { + unsigned int num_streams; /* Not used by USBDEVFS_FREE_STREAMS */ + unsigned int num_eps; + unsigned char eps[0]; +}; + +#define USBFS_SPEED_UNKNOWN 0 +#define USBFS_SPEED_LOW 1 +#define USBFS_SPEED_FULL 2 +#define USBFS_SPEED_HIGH 3 +#define USBFS_SPEED_WIRELESS 4 +#define USBFS_SPEED_SUPER 5 +#define USBFS_SPEED_SUPER_PLUS 6 + +#define IOCTL_USBFS_CONTROL _IOWR('U', 0, struct usbfs_ctrltransfer) +#define IOCTL_USBFS_SETINTERFACE _IOR('U', 4, struct usbfs_setinterface) +#define IOCTL_USBFS_SETCONFIGURATION _IOR('U', 5, unsigned int) +#define IOCTL_USBFS_GETDRIVER _IOW('U', 8, struct usbfs_getdriver) +#define IOCTL_USBFS_SUBMITURB _IOR('U', 10, struct usbfs_urb) +#define IOCTL_USBFS_DISCARDURB _IO('U', 11) +#define IOCTL_USBFS_REAPURBNDELAY _IOW('U', 13, void *) +#define IOCTL_USBFS_CLAIMINTERFACE _IOR('U', 15, unsigned int) +#define IOCTL_USBFS_RELEASEINTERFACE _IOR('U', 16, unsigned int) +#define IOCTL_USBFS_CONNECTINFO _IOW('U', 17, struct usbfs_connectinfo) +#define IOCTL_USBFS_IOCTL _IOWR('U', 18, struct usbfs_ioctl) +#define IOCTL_USBFS_RESET _IO('U', 20) +#define IOCTL_USBFS_CLEAR_HALT _IOR('U', 21, unsigned int) +#define IOCTL_USBFS_DISCONNECT _IO('U', 22) +#define IOCTL_USBFS_CONNECT _IO('U', 23) +#define IOCTL_USBFS_GET_CAPABILITIES _IOR('U', 26, __u32) +#define IOCTL_USBFS_DISCONNECT_CLAIM _IOR('U', 27, struct usbfs_disconnect_claim) +#define IOCTL_USBFS_ALLOC_STREAMS _IOR('U', 28, struct usbfs_streams) +#define IOCTL_USBFS_FREE_STREAMS _IOR('U', 29, struct usbfs_streams) +#define IOCTL_USBFS_DROP_PRIVILEGES _IOW('U', 30, __u32) +#define IOCTL_USBFS_GET_SPEED _IO('U', 31) + +extern usbi_mutex_static_t linux_hotplug_lock; + +#ifdef HAVE_LIBUDEV +int linux_udev_start_event_monitor(void); +int linux_udev_stop_event_monitor(void); +int linux_udev_scan_devices(struct libusb_context *ctx); +void linux_udev_hotplug_poll(void); +#else +int linux_netlink_start_event_monitor(void); +int linux_netlink_stop_event_monitor(void); +void linux_netlink_hotplug_poll(void); +#endif + +static inline int linux_start_event_monitor(void) +{ +#if defined(HAVE_LIBUDEV) + return linux_udev_start_event_monitor(); +#elif !defined(__ANDROID__) + return linux_netlink_start_event_monitor(); +#else + return LIBUSB_SUCCESS; +#endif +} + +static inline void linux_stop_event_monitor(void) +{ +#if defined(HAVE_LIBUDEV) + linux_udev_stop_event_monitor(); +#elif !defined(__ANDROID__) + linux_netlink_stop_event_monitor(); +#endif +} + +static inline void linux_hotplug_poll(void) +{ +#if defined(HAVE_LIBUDEV) + linux_udev_hotplug_poll(); +#elif !defined(__ANDROID__) + linux_netlink_hotplug_poll(); +#endif +} + +void linux_hotplug_enumerate(uint8_t busnum, uint8_t devaddr, const char *sys_name); +void linux_device_disconnected(uint8_t busnum, uint8_t devaddr); + +int linux_get_device_address(struct libusb_context *ctx, int detached, + uint8_t *busnum, uint8_t *devaddr, const char *dev_node, + const char *sys_name, int fd); +int linux_enumerate_device(struct libusb_context *ctx, + uint8_t busnum, uint8_t devaddr, const char *sysfs_dir); + +#endif |