6c89a5f102
- Significantly improve libusb10 support.
- Many minor issues fixed.
- P4 ID: 166189, 165853, 165991, 166052, 166069
Submitted by: hps
Approved by: re
114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2009 Sylvestre Gallon. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef __LIBUSB10_H__
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#define __LIBUSB10_H__
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#include <sys/queue.h>
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#define GET_CONTEXT(ctx) (((ctx) == NULL) ? usbi_default_context : (ctx))
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#define UNEXPORTED __attribute__((__visibility__("hidden")))
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#define CTX_LOCK(ctx) pthread_mutex_lock(&(ctx)->ctx_lock)
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#define CTX_TRYLOCK(ctx) pthread_mutex_trylock(&(ctx)->ctx_lock)
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#define CTX_UNLOCK(ctx) pthread_mutex_unlock(&(ctx)->ctx_lock)
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#define DPRINTF(ctx, dbg, format, args...) do { \
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if ((ctx)->debug == dbg) { \
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switch (dbg) { \
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case LIBUSB_DEBUG_FUNCTION: \
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printf("LIBUSB_FUNCTION: " \
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format "\n", ## args); \
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break; \
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case LIBUSB_DEBUG_TRANSFER: \
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printf("LIBUSB_TRANSFER: " \
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format "\n", ## args); \
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break; \
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default: \
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break; \
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} \
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} \
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} while(0)
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/* internal structures */
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struct libusb_super_pollfd {
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TAILQ_ENTRY(libusb_super_pollfd) entry;
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struct libusb20_device *pdev;
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struct libusb_pollfd pollfd;
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};
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struct libusb_super_transfer {
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TAILQ_ENTRY(libusb_super_transfer) entry;
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uint8_t *curr_data;
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uint32_t rem_len;
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uint32_t last_len;
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uint8_t flags;
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};
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struct libusb_context {
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int debug;
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int debug_fixed;
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int ctrl_pipe[2];
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int tr_done_ref;
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int tr_done_gen;
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pthread_mutex_t ctx_lock;
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pthread_cond_t ctx_cond;
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pthread_t ctx_handler;
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#define NO_THREAD ((pthread_t)-1)
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TAILQ_HEAD(, libusb_super_pollfd) pollfds;
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TAILQ_HEAD(, libusb_super_transfer) tr_done;
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struct libusb_super_pollfd ctx_poll;
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libusb_pollfd_added_cb fd_added_cb;
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libusb_pollfd_removed_cb fd_removed_cb;
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void *fd_cb_user_data;
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};
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struct libusb_device {
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int refcnt;
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uint32_t claimed_interfaces;
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struct libusb_super_pollfd dev_poll;
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struct libusb_context *ctx;
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TAILQ_HEAD(, libusb_super_transfer) tr_head;
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struct libusb20_device *os_priv;
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};
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extern struct libusb_context *usbi_default_context;
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void libusb10_add_pollfd(libusb_context *ctx, struct libusb_super_pollfd *pollfd, struct libusb20_device *pdev, int fd, short events);
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void libusb10_remove_pollfd(libusb_context *ctx, struct libusb_super_pollfd *pollfd);
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void libusb10_cancel_all_transfer(libusb_device *dev);
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#endif /* __LIBUSB10_H__ */
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