diff options
Diffstat (limited to 'drivers/usb/usbdevice_fs.h')
| -rw-r--r-- | drivers/usb/usbdevice_fs.h | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/drivers/usb/usbdevice_fs.h b/drivers/usb/usbdevice_fs.h new file mode 100644 index 000000000..a4bd5d154 --- /dev/null +++ b/drivers/usb/usbdevice_fs.h @@ -0,0 +1,168 @@ +/*****************************************************************************/ + +/* + * usbdevice_fs.h -- USB device file system. + * + * Copyright (C) 2000 + * Thomas Sailer (sailer@ife.ee.ethz.ch) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * History: + * 0.1 04.01.2000 Created + * + * $Id: usbdevice_fs.h,v 1.1 2000/01/06 18:40:41 tom Exp $ + */ + +/*****************************************************************************/ + +#ifndef _LINUX_USBDEVICE_FS_H +#define _LINUX_USBDEVICE_FS_H + +/* --------------------------------------------------------------------- */ + +#define USBDEVICE_SUPER_MAGIC 0x9fa2 + +/* usbdevfs ioctl codes */ + +struct usbdevfs_ctrltransfer { + __u8 requesttype; + __u8 request; + __u16 value; + __u16 index; + __u16 length; + __u32 timeout; /* in milliseconds */ + void *data; +}; + +struct usbdevfs_bulktransfer { + unsigned int ep; + unsigned int len; + unsigned int timeout; /* in milliseconds */ + void *data; +}; + +struct usbdevfs_setinterface { + unsigned int interface; + unsigned int altsetting; +}; + +struct usbdevfs_disconnectsignal { + unsigned int signr; + void *context; +}; + +#define USBDEVFS_URB_DISABLE_SPD 1 +#define USBDEVFS_URB_ISO_ASAP 2 + +#define USBDEVFS_URB_TYPE_ISO 0 +#define USBDEVFS_URB_TYPE_INTERRUPT 1 +#define USBDEVFS_URB_TYPE_CONTROL 2 +#define USBDEVFS_URB_TYPE_BULK 3 + +struct usbdevfs_iso_packet_desc { + unsigned int length; + unsigned int actual_length; + unsigned int status; +}; + +struct usbdevfs_urb { + unsigned char type; + unsigned char endpoint; + int status; + unsigned int flags; + void *buffer; + int buffer_length; + int actual_length; + int start_frame; + int number_of_packets; + int error_count; + unsigned int signr; /* signal to be sent on error, -1 if none should be sent */ + void *usercontext; + struct usbdevfs_iso_packet_desc iso_frame_desc[0]; +}; + +#define USBDEVFS_CONTROL _IOWR('U', 0, struct usbdevfs_ctrltransfer) +#define USBDEVFS_BULK _IOWR('U', 2, struct usbdevfs_bulktransfer) +#define USBDEVFS_RESETEP _IOR('U', 3, unsigned int) +#define USBDEVFS_SETINTERFACE _IOR('U', 4, struct usbdevfs_setinterface) +#define USBDEVFS_SETCONFIGURATION _IOR('U', 5, unsigned int) +#define USBDEVFS_SUBMITURB _IOR('U', 10, struct usbdevfs_urb) +#define USBDEVFS_DISCARDURB _IO('U', 11) +#define USBDEVFS_REAPURB _IOW('U', 12, void *) +#define USBDEVFS_REAPURBNDELAY _IOW('U', 13, void *) +#define USBDEVFS_DISCSIGNAL _IOR('U', 14, struct usbdevfs_disconnectsignal) +#define USBDEVFS_CLAIMINTERFACE _IOR('U', 15, unsigned int) +#define USBDEVFS_RELEASEINTERFACE _IOR('U', 16, unsigned int) + +/* --------------------------------------------------------------------- */ + +#ifdef __KERNEL__ + +#include <linux/config.h> +#include <linux/list.h> +#include <asm/semaphore.h> + +/* + * inode number macros + */ +#define ITYPE(x) ((x)&(0xf<<28)) +#define ISPECIAL (0<<28) +#define IBUS (1<<28) +#define IDEVICE (2<<28) +#define IBUSNR(x) (((x)>>8)&0xff) +#define IDEVNR(x) ((x)&0xff) + +#define IROOT 1 + +/* + * sigh. rwsemaphores do not (yet) work from modules + */ + +#define rw_semaphore semaphore +#define init_rwsem init_MUTEX +#define down_read down +#define down_write down +#define up_read up +#define up_write up + + +struct dev_state { + struct list_head list; /* state list */ + struct rw_semaphore devsem; /* protects modifications to dev (dev == NULL indicating disconnect) */ + struct usb_device *dev; + struct file *file; + spinlock_t lock; /* protects the async urb lists */ + struct list_head async_pending; + struct list_head async_completed; + wait_queue_head_t wait; /* wake up if a request completed */ + unsigned int discsignr; + struct task_struct *disctask; + void *disccontext; + unsigned long ifclaimed; +}; + +/* internal methods & data */ +extern struct usb_driver usbdevfs_driver; +extern struct file_operations usbdevfs_drivers_fops; +extern struct file_operations usbdevfs_devices_fops; +extern struct inode_operations usbdevfs_device_inode_operations; +extern void usbdevfs_conn_disc_event(void); + + +#endif /* __KERNEL__ */ + +/* --------------------------------------------------------------------- */ +#endif /* _LINUX_USBDEVICE_FS_H */ |