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/* $OpenBSD: usbdi.h,v 1.60 2013/11/19 14:04:07 pirofti Exp $ */
/* $NetBSD: usbdi.h,v 1.62 2002/07/11 21:14:35 augustss Exp $ */
/* $FreeBSD: src/sys/dev/usb/usbdi.h,v 1.18 1999/11/17 22:33:49 n_hibma Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson (lennart@augustsson.net) at
* Carlstedt Research & Technology.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
struct usbd_bus;
struct usbd_device;
struct usbd_interface;
struct usbd_pipe;
struct usbd_xfer;
typedef enum {
USBD_NORMAL_COMPLETION = 0, /* must be 0 */
USBD_IN_PROGRESS, /* 1 */
/* errors */
USBD_PENDING_REQUESTS, /* 2 */
USBD_NOT_STARTED, /* 3 */
USBD_INVAL, /* 4 */
USBD_NOMEM, /* 5 */
USBD_CANCELLED, /* 6 */
USBD_BAD_ADDRESS, /* 7 */
USBD_IN_USE, /* 8 */
USBD_NO_ADDR, /* 9 */
USBD_SET_ADDR_FAILED, /* 10 */
USBD_NO_POWER, /* 11 */
USBD_TOO_DEEP, /* 12 */
USBD_IOERROR, /* 13 */
USBD_NOT_CONFIGURED, /* 14 */
USBD_TIMEOUT, /* 15 */
USBD_SHORT_XFER, /* 16 */
USBD_STALLED, /* 17 */
USBD_INTERRUPTED, /* 18 */
USBD_ERROR_MAX /* must be last */
} usbd_status;
typedef void (*usbd_callback)(struct usbd_xfer *, void *, usbd_status);
/* Open flags */
#define USBD_EXCLUSIVE_USE 0x01
/* Use default (specified by ep. desc.) interval on interrupt pipe */
#define USBD_DEFAULT_INTERVAL (-1)
/* Request flags */
#define USBD_NO_COPY 0x01 /* do not copy data to DMA buffer */
#define USBD_SYNCHRONOUS 0x02 /* wait for completion */
/* in usb.h #define USBD_SHORT_XFER_OK 0x04*/ /* allow short reads */
#define USBD_FORCE_SHORT_XFER 0x08 /* force last short packet on write */
#define USBD_CATCH 0x10 /* catch signals while sleeping */
#define USBD_NO_TIMEOUT 0
#define USBD_DEFAULT_TIMEOUT 5000 /* ms = 5 s */
#define DEVINFOSIZE 1024
usbd_status usbd_open_pipe(struct usbd_interface *iface, u_int8_t address,
u_int8_t flags, struct usbd_pipe **pipe);
usbd_status usbd_close_pipe(struct usbd_pipe *pipe);
usbd_status usbd_transfer(struct usbd_xfer *req);
struct usbd_xfer *usbd_alloc_xfer(struct usbd_device *);
void usbd_free_xfer(struct usbd_xfer *xfer);
void usbd_setup_xfer(struct usbd_xfer *xfer, struct usbd_pipe *pipe,
void *priv, void *buffer, u_int32_t length, u_int16_t flags,
u_int32_t timeout, usbd_callback);
void usbd_setup_default_xfer(struct usbd_xfer *xfer, struct usbd_device *dev,
void *priv, u_int32_t timeout, usb_device_request_t *req,
void *buffer, u_int32_t length, u_int16_t flags, usbd_callback);
void usbd_setup_isoc_xfer(struct usbd_xfer *xfer, struct usbd_pipe *pipe,
void *priv, u_int16_t *frlengths, u_int32_t nframes,
u_int16_t flags, usbd_callback);
void usbd_get_xfer_status(struct usbd_xfer *xfer, void **priv,
void **buffer, u_int32_t *count, usbd_status *status);
usb_endpoint_descriptor_t *usbd_interface2endpoint_descriptor(
struct usbd_interface *iface, u_int8_t address);
void usbd_abort_pipe(struct usbd_pipe *pipe);
usbd_status usbd_clear_endpoint_stall(struct usbd_pipe *pipe);
usbd_status usbd_clear_endpoint_stall_async(struct usbd_pipe *pipe);
void usbd_clear_endpoint_toggle(struct usbd_pipe *pipe);
int usbd_endpoint_count(struct usbd_interface *dev, u_int8_t *count);
int usbd_interface_count(struct usbd_device *dev, u_int8_t *count);
usbd_status usbd_device2interface_handle(struct usbd_device *dev,
u_int8_t ifaceno, struct usbd_interface **iface);
void *usbd_alloc_buffer(struct usbd_xfer *xfer, u_int32_t size);
void usbd_free_buffer(struct usbd_xfer *xfer);
usbd_status usbd_open_pipe_intr(struct usbd_interface *iface, u_int8_t address,
u_int8_t flags, struct usbd_pipe **pipe, void *priv,
void *buffer, u_int32_t length, usbd_callback, int);
usbd_status usbd_do_request(struct usbd_device *pipe, usb_device_request_t *req,
void *data);
usbd_status usbd_do_request_async(struct usbd_device *pipe,
usb_device_request_t *req, void *data);
usbd_status usbd_do_request_flags(struct usbd_device *pipe,
usb_device_request_t *req, void *data, u_int16_t flags, int*, u_int32_t);
usb_interface_descriptor_t *usbd_get_interface_descriptor(
struct usbd_interface *iface);
usb_config_descriptor_t *usbd_get_config_descriptor(struct usbd_device *dev);
usb_device_descriptor_t *usbd_get_device_descriptor(struct usbd_device *dev);
usbd_status usbd_set_interface(struct usbd_interface *, int);
int usbd_get_no_alts(usb_config_descriptor_t *, int);
void usbd_fill_deviceinfo(struct usbd_device *, struct usb_device_info *, int);
usb_config_descriptor_t *usbd_get_cdesc(struct usbd_device *, int, int *);
int usbd_get_interface_altindex(struct usbd_interface *iface);
usb_interface_descriptor_t *usbd_find_idesc(usb_config_descriptor_t *cd,
int iindex, int ano);
usb_endpoint_descriptor_t *usbd_find_edesc(usb_config_descriptor_t *cd,
int ifaceidx, int altidx, int endptidx);
void usbd_dopoll(struct usbd_device *);
void usbd_set_polling(struct usbd_device *iface, int on);
const char *usbd_errstr(usbd_status err);
const struct usbd_quirks *usbd_get_quirks(struct usbd_device *);
usb_endpoint_descriptor_t *usbd_get_endpoint_descriptor(
struct usbd_interface *iface, u_int8_t address);
usbd_status usbd_reload_device_desc(struct usbd_device *);
int usbd_ratecheck(struct timeval *last);
int usbd_get_devcnt(struct usbd_device *);
void usbd_claim_iface(struct usbd_device *, int);
int usbd_iface_claimed(struct usbd_device *, int);
int usbd_is_dying(struct usbd_device *);
void usbd_deactivate(struct usbd_device *);
void usbd_ref_incr(struct usbd_device *);
void usbd_ref_decr(struct usbd_device *);
void usbd_ref_wait(struct usbd_device *);
/* An iterator for descriptors. */
struct usbd_desc_iter {
const uByte *cur;
const uByte *end;
};
void usbd_desc_iter_init(struct usbd_device *, struct usbd_desc_iter *);
const usb_descriptor_t *usbd_desc_iter_next(struct usbd_desc_iter *);
/*
* The usb_task structs form a queue of things to run in the USB task
* threads. Normally this is just device discovery when a connect/disconnect
* has been detected. But it may also be used by drivers that need to
* perform (short) tasks that must have a process context.
*/
struct usb_task {
TAILQ_ENTRY(usb_task) next;
struct usbd_device *dev;
void (*fun)(void *);
void *arg;
char type;
#define USB_TASK_TYPE_GENERIC 0
#define USB_TASK_TYPE_EXPLORE 1
#define USB_TASK_TYPE_ABORT 2
u_int state;
#define USB_TASK_STATE_NONE 0x0
#define USB_TASK_STATE_ONQ 0x1
#define USB_TASK_STATE_RUN 0x2
};
void usb_add_task(struct usbd_device *, struct usb_task *);
void usb_rem_task(struct usbd_device *, struct usb_task *);
void usb_wait_task(struct usbd_device *, struct usb_task *);
void usb_rem_wait_task(struct usbd_device *, struct usb_task *);
#define usb_init_task(t, f, a, y) \
((t)->fun = (f), \
(t)->arg = (a), \
(t)->type = (y), \
(t)->state = USB_TASK_STATE_NONE)
struct usb_devno {
u_int16_t ud_vendor;
u_int16_t ud_product;
};
const struct usb_devno *usbd_match_device(const struct usb_devno *tbl,
u_int nentries, u_int sz, u_int16_t vendor, u_int16_t product);
#define usb_lookup(tbl, vendor, product) \
usbd_match_device((const struct usb_devno *)(tbl), sizeof (tbl) / sizeof ((tbl)[0]), sizeof ((tbl)[0]), (vendor), (product))
#define USB_PRODUCT_ANY 0xffff
/* Attach data */
struct usb_attach_arg {
int port;
int configno;
int ifaceno;
int vendor;
int product;
int release;
struct usbd_device *device; /* current device */
struct usbd_interface *iface; /* current interface */
int usegeneric;
struct usbd_interface **ifaces;/* all interfaces */
int nifaces; /* number of interfaces */
};
/* Match codes. */
/* First five codes is for a whole device. */
#define UMATCH_VENDOR_PRODUCT_REV 14
#define UMATCH_VENDOR_PRODUCT 13
#define UMATCH_VENDOR_DEVCLASS_DEVPROTO 12
#define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO 11
#define UMATCH_DEVCLASS_DEVSUBCLASS 10
/* Next six codes are for interfaces. */
#define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE 9
#define UMATCH_VENDOR_PRODUCT_CONF_IFACE 8
#define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO 7
#define UMATCH_VENDOR_IFACESUBCLASS 6
#define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO 5
#define UMATCH_IFACECLASS_IFACESUBCLASS 4
#define UMATCH_IFACECLASS 3
#define UMATCH_IFACECLASS_GENERIC 2
/* Generic driver */
#define UMATCH_GENERIC 1
/* No match */
#define UMATCH_NONE 0
/* XXX Perhaps USB should have its own levels? */
#define splusb splsoftnet
#if 0
#define SPLUSBCHECK splsoftassert(IPL_SOFTNET)
#else
#define SPLUSBCHECK do { /* nothing */ } while (0)
#endif
#define splhardusb splbio
#define IPL_USB IPL_BIO
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