3 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * This file describes internal structures.
31 #ifndef _LIBUSB20_INT_H_
32 #define _LIBUSB20_INT_H_
34 struct libusb20_device;
35 struct libusb20_backend;
36 struct libusb20_transfer;
37 struct libusb20_quirk;
39 union libusb20_session_data {
40 unsigned long session_data;
45 /* USB backend specific */
46 typedef const char *(libusb20_get_backend_name_t)(void);
47 typedef int (libusb20_root_get_dev_quirk_t)(struct libusb20_backend *pbe, uint16_t index, struct libusb20_quirk *pq);
48 typedef int (libusb20_root_get_quirk_name_t)(struct libusb20_backend *pbe, uint16_t index, struct libusb20_quirk *pq);
49 typedef int (libusb20_root_add_dev_quirk_t)(struct libusb20_backend *pbe, struct libusb20_quirk *pq);
50 typedef int (libusb20_root_remove_dev_quirk_t)(struct libusb20_backend *pbe, struct libusb20_quirk *pq);
51 typedef int (libusb20_close_device_t)(struct libusb20_device *pdev);
52 typedef int (libusb20_dev_get_info_t)(struct libusb20_device *pdev, struct usb_device_info *pinfo);
53 typedef int (libusb20_dev_get_iface_desc_t)(struct libusb20_device *pdev, uint8_t iface_index, char *buf, uint8_t len);
54 typedef int (libusb20_init_backend_t)(struct libusb20_backend *pbe);
55 typedef int (libusb20_open_device_t)(struct libusb20_device *pdev, uint16_t transfer_count_max);
56 typedef void (libusb20_exit_backend_t)(struct libusb20_backend *pbe);
57 typedef int (libusb20_root_set_template_t)(struct libusb20_backend *pbe, int temp);
58 typedef int (libusb20_root_get_template_t)(struct libusb20_backend *pbe, int *ptemp);
60 #define LIBUSB20_DEFINE(n,field) \
61 libusb20_##field##_t *field;
63 #define LIBUSB20_DECLARE(n,field) \
64 /* .field = */ n##_##field,
66 #define LIBUSB20_BACKEND(m,n) \
67 /* description of this backend */ \
68 m(n, get_backend_name) \
69 /* optional backend methods */ \
73 m(n, dev_get_iface_desc) \
74 m(n, root_get_dev_quirk) \
75 m(n, root_get_quirk_name) \
76 m(n, root_add_dev_quirk) \
77 m(n, root_remove_dev_quirk) \
78 m(n, root_set_template) \
79 m(n, root_get_template) \
80 /* mandatory device methods */ \
84 struct libusb20_backend_methods {
85 LIBUSB20_BACKEND(LIBUSB20_DEFINE,)
88 /* USB dummy methods */
89 typedef int (libusb20_dummy_int_t)(void);
90 typedef void (libusb20_dummy_void_t)(void);
92 /* USB device specific */
93 typedef int (libusb20_detach_kernel_driver_t)(struct libusb20_device *pdev, uint8_t iface_index);
94 typedef int (libusb20_do_request_sync_t)(struct libusb20_device *pdev, struct LIBUSB20_CONTROL_SETUP_DECODED *setup, void *data, uint16_t *pactlen, uint32_t timeout, uint8_t flags);
95 typedef int (libusb20_get_config_desc_full_t)(struct libusb20_device *pdev, uint8_t **ppbuf, uint16_t *plen, uint8_t index);
96 typedef int (libusb20_get_config_index_t)(struct libusb20_device *pdev, uint8_t *pindex);
97 typedef int (libusb20_kernel_driver_active_t)(struct libusb20_device *pdev, uint8_t iface_index);
98 typedef int (libusb20_process_t)(struct libusb20_device *pdev);
99 typedef int (libusb20_reset_device_t)(struct libusb20_device *pdev);
100 typedef int (libusb20_set_power_mode_t)(struct libusb20_device *pdev, uint8_t power_mode);
101 typedef int (libusb20_get_power_mode_t)(struct libusb20_device *pdev, uint8_t *power_mode);
102 typedef int (libusb20_set_alt_index_t)(struct libusb20_device *pdev, uint8_t iface_index, uint8_t alt_index);
103 typedef int (libusb20_set_config_index_t)(struct libusb20_device *pdev, uint8_t index);
104 typedef int (libusb20_check_connected_t)(struct libusb20_device *pdev);
106 /* USB transfer specific */
107 typedef int (libusb20_tr_open_t)(struct libusb20_transfer *xfer, uint32_t MaxBufSize, uint32_t MaxFrameCount, uint8_t ep_no);
108 typedef int (libusb20_tr_close_t)(struct libusb20_transfer *xfer);
109 typedef int (libusb20_tr_clear_stall_sync_t)(struct libusb20_transfer *xfer);
110 typedef void (libusb20_tr_submit_t)(struct libusb20_transfer *xfer);
111 typedef void (libusb20_tr_cancel_async_t)(struct libusb20_transfer *xfer);
113 #define LIBUSB20_DEVICE(m,n) \
114 m(n, detach_kernel_driver) \
115 m(n, do_request_sync) \
116 m(n, get_config_desc_full) \
117 m(n, get_config_index) \
118 m(n, kernel_driver_active) \
121 m(n, check_connected) \
122 m(n, set_power_mode) \
123 m(n, get_power_mode) \
124 m(n, set_alt_index) \
125 m(n, set_config_index) \
126 m(n, tr_cancel_async) \
127 m(n, tr_clear_stall_sync) \
132 struct libusb20_device_methods {
133 LIBUSB20_DEVICE(LIBUSB20_DEFINE,)
136 struct libusb20_backend {
137 TAILQ_HEAD(, libusb20_device) usb_devs;
138 const struct libusb20_backend_methods *methods;
141 struct libusb20_transfer {
142 struct libusb20_device *pdev; /* the USB device we belong to */
143 libusb20_tr_callback_t *callback;
144 void *priv_sc0; /* private client data */
145 void *priv_sc1; /* private client data */
147 * Pointer to a list of buffer pointers:
151 * Pointer to frame lengths, which are updated to actual length
152 * after the USB transfer completes:
155 uint32_t maxTotalLength;
156 uint32_t maxFrames; /* total number of frames */
157 uint32_t nFrames; /* total number of frames */
158 uint32_t aFrames; /* actual number of frames */
160 /* isochronous completion time in milliseconds */
161 uint16_t timeComplete;
163 uint16_t maxPacketLen;
164 uint8_t flags; /* see LIBUSB20_TRANSFER_XXX */
165 uint8_t status; /* see LIBUSB20_TRANSFER_XXX */
173 struct libusb20_device {
175 /* device descriptor */
176 struct LIBUSB20_DEVICE_DESC_DECODED ddesc;
178 /* device timestamp */
179 union libusb20_session_data session_data;
181 /* our device entry */
182 TAILQ_ENTRY(libusb20_device) dev_entry;
185 const struct libusb20_device_methods *methods;
187 /* backend methods */
188 const struct libusb20_backend_methods *beMethods;
190 /* list of USB transfers */
191 struct libusb20_transfer *pTransfer;
193 /* private backend data */
196 /* libUSB v0.1 and v1.0 compat data */
199 /* claimed interface */
200 uint8_t claimed_interface;
202 /* device file handle */
205 /* device file handle (control transfers only) */
208 /* debugging level */
211 /* number of USB transfers */
215 uint8_t device_address;
223 extern const struct libusb20_backend_methods libusb20_ugen20_backend;
224 extern const struct libusb20_backend_methods libusb20_linux_backend;
226 #endif /* _LIBUSB20_INT_H_ */