diff options
Diffstat (limited to 'lib/libusb/libusb10.h')
| -rw-r--r-- | lib/libusb/libusb10.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/lib/libusb/libusb10.h b/lib/libusb/libusb10.h new file mode 100644 index 0000000..f1e5460 --- /dev/null +++ b/lib/libusb/libusb10.h @@ -0,0 +1,117 @@ +/* $FreeBSD$ */ +/*- + * Copyright (c) 2009 Sylvestre Gallon. All rights reserved. + * + * 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 AUTHOR 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 AUTHOR 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. + */ + +#ifndef __LIBUSB10_H__ +#define __LIBUSB10_H__ + +#ifndef LIBUSB_GLOBAL_INCLUDE_FILE +#include <sys/queue.h> +#endif + +#define GET_CONTEXT(ctx) (((ctx) == NULL) ? usbi_default_context : (ctx)) +#define UNEXPORTED __attribute__((__visibility__("hidden"))) +#define CTX_LOCK(ctx) pthread_mutex_lock(&(ctx)->ctx_lock) +#define CTX_TRYLOCK(ctx) pthread_mutex_trylock(&(ctx)->ctx_lock) +#define CTX_UNLOCK(ctx) pthread_mutex_unlock(&(ctx)->ctx_lock) + +#define DPRINTF(ctx, dbg, format, args...) do { \ + if ((ctx)->debug == dbg) { \ + switch (dbg) { \ + case LIBUSB_DEBUG_FUNCTION: \ + printf("LIBUSB_FUNCTION: " \ + format "\n", ## args); \ + break; \ + case LIBUSB_DEBUG_TRANSFER: \ + printf("LIBUSB_TRANSFER: " \ + format "\n", ## args); \ + break; \ + default: \ + break; \ + } \ + } \ +} while(0) + +/* internal structures */ + +struct libusb_super_pollfd { + TAILQ_ENTRY(libusb_super_pollfd) entry; + struct libusb20_device *pdev; + struct libusb_pollfd pollfd; +}; + +struct libusb_super_transfer { + TAILQ_ENTRY(libusb_super_transfer) entry; + uint8_t *curr_data; + uint32_t rem_len; + uint32_t last_len; + uint8_t state; +#define LIBUSB_SUPER_XFER_ST_NONE 0 +#define LIBUSB_SUPER_XFER_ST_PEND 1 +}; + +struct libusb_context { + int debug; + int debug_fixed; + int ctrl_pipe[2]; + int tr_done_ref; + int tr_done_gen; + + pthread_mutex_t ctx_lock; + pthread_cond_t ctx_cond; + pthread_t ctx_handler; +#define NO_THREAD ((pthread_t)-1) + + TAILQ_HEAD(, libusb_super_pollfd) pollfds; + TAILQ_HEAD(, libusb_super_transfer) tr_done; + + struct libusb_super_pollfd ctx_poll; + + libusb_pollfd_added_cb fd_added_cb; + libusb_pollfd_removed_cb fd_removed_cb; + void *fd_cb_user_data; +}; + +struct libusb_device { + int refcnt; + + uint32_t claimed_interfaces; + + struct libusb_super_pollfd dev_poll; + + struct libusb_context *ctx; + + TAILQ_HEAD(, libusb_super_transfer) tr_head; + + struct libusb20_device *os_priv; +}; + +extern struct libusb_context *usbi_default_context; + +void libusb10_add_pollfd(libusb_context *ctx, struct libusb_super_pollfd *pollfd, struct libusb20_device *pdev, int fd, short events); +void libusb10_remove_pollfd(libusb_context *ctx, struct libusb_super_pollfd *pollfd); +void libusb10_cancel_all_transfer(libusb_device *dev); + +#endif /* __LIBUSB10_H__ */ |
