| 1 | /*
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| 2 | * Copyright (c) 2010 Vojtech Horky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libdrv
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| 30 | * @addtogroup usb
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| 31 | * @{
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| 32 | */
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| 33 | /** @file
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| 34 | * @brief USB interface definition.
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| 35 | */
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| 36 |
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| 37 | #ifndef LIBDRV_USB_IFACE_H_
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| 38 | #define LIBDRV_USB_IFACE_H_
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| 39 |
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| 40 | #include "ddf/driver.h"
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| 41 | #include <async.h>
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| 42 | #include <usb/usb.h>
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| 43 |
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| 44 | typedef async_sess_t usb_dev_session_t;
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| 45 |
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| 46 | extern usb_dev_session_t *usb_dev_connect(devman_handle_t);
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| 47 | extern usb_dev_session_t *usb_dev_connect_to_self(ddf_dev_t *);
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| 48 | extern void usb_dev_disconnect(usb_dev_session_t *);
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| 49 |
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| 50 | extern int usb_get_my_interface(async_exch_t *, int *);
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| 51 | extern int usb_get_my_device_handle(async_exch_t *, devman_handle_t *);
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| 52 |
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| 53 | extern int usb_reserve_default_address(async_exch_t *, usb_speed_t);
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| 54 | extern int usb_release_default_address(async_exch_t *);
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| 55 |
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| 56 | extern int usb_device_enumerate(async_exch_t *, unsigned port);
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| 57 | extern int usb_device_remove(async_exch_t *, unsigned port);
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| 58 |
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| 59 | extern int usb_register_endpoint(async_exch_t *, usb_endpoint_t,
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| 60 | usb_transfer_type_t, usb_direction_t, size_t, unsigned, unsigned);
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| 61 | extern int usb_unregister_endpoint(async_exch_t *, usb_endpoint_t,
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| 62 | usb_direction_t);
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| 63 | extern int usb_read(async_exch_t *, usb_endpoint_t, uint64_t, void *, size_t,
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| 64 | size_t *);
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| 65 | extern int usb_write(async_exch_t *, usb_endpoint_t, uint64_t, const void *,
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| 66 | size_t);
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| 67 |
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| 68 | /** Callback for outgoing transfer. */
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| 69 | typedef void (*usb_iface_transfer_out_callback_t)(int, void *);
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| 70 |
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| 71 | /** Callback for incoming transfer. */
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| 72 | typedef void (*usb_iface_transfer_in_callback_t)(int, size_t, void *);
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| 73 |
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| 74 | /** USB device communication interface. */
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| 75 | typedef struct {
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| 76 | int (*get_my_interface)(ddf_fun_t *, int *);
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| 77 | int (*get_my_device_handle)(ddf_fun_t *, devman_handle_t *);
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| 78 |
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| 79 | int (*reserve_default_address)(ddf_fun_t *, usb_speed_t);
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| 80 | int (*release_default_address)(ddf_fun_t *);
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| 81 |
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| 82 | int (*device_enumerate)(ddf_fun_t *, unsigned);
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| 83 | int (*device_remove)(ddf_fun_t *, unsigned);
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| 84 |
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| 85 | int (*register_endpoint)(ddf_fun_t *, usb_endpoint_t,
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| 86 | usb_transfer_type_t, usb_direction_t, size_t, unsigned, unsigned);
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| 87 | int (*unregister_endpoint)(ddf_fun_t *, usb_endpoint_t,
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| 88 | usb_direction_t);
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| 89 |
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| 90 | int (*read)(ddf_fun_t *, usb_endpoint_t, uint64_t, uint8_t *, size_t,
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| 91 | usb_iface_transfer_in_callback_t, void *);
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| 92 | int (*write)(ddf_fun_t *, usb_endpoint_t, uint64_t, const uint8_t *,
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| 93 | size_t, usb_iface_transfer_out_callback_t, void *);
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| 94 | } usb_iface_t;
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| 95 |
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| 96 | #endif
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| 97 | /**
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| 98 | * @}
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| 99 | */
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