libusb20_int.h revision 194069
1/* $FreeBSD: head/lib/libusb/libusb20_int.h 194069 2009-06-12 16:07:06Z thompsa $ */ 2/*- 3 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. 13 * 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 24 * SUCH DAMAGE. 25 */ 26 27/* 28 * This file describes internal structures. 29 */ 30 31#ifndef _LIBUSB20_INT_H_ 32#define _LIBUSB20_INT_H_ 33 34struct libusb20_device; 35struct libusb20_backend; 36struct libusb20_transfer; 37struct libusb20_quirk; 38 39union libusb20_session_data { 40 unsigned long session_data; 41 struct timespec tv; 42 uint32_t plugtime; 43}; 44 45/* USB backend specific */ 46typedef const char *(libusb20_get_backend_name_t)(void); 47typedef int (libusb20_root_get_dev_quirk_t)(struct libusb20_backend *pbe, uint16_t index, struct libusb20_quirk *pq); 48typedef int (libusb20_root_get_quirk_name_t)(struct libusb20_backend *pbe, uint16_t index, struct libusb20_quirk *pq); 49typedef int (libusb20_root_add_dev_quirk_t)(struct libusb20_backend *pbe, struct libusb20_quirk *pq); 50typedef int (libusb20_root_remove_dev_quirk_t)(struct libusb20_backend *pbe, struct libusb20_quirk *pq); 51typedef int (libusb20_close_device_t)(struct libusb20_device *pdev); 52typedef int (libusb20_dev_get_info_t)(struct libusb20_device *pdev, struct usb_device_info *pinfo); 53typedef int (libusb20_dev_get_iface_desc_t)(struct libusb20_device *pdev, uint8_t iface_index, char *buf, uint8_t len); 54typedef int (libusb20_init_backend_t)(struct libusb20_backend *pbe); 55typedef int (libusb20_open_device_t)(struct libusb20_device *pdev, uint16_t transfer_count_max); 56typedef void (libusb20_exit_backend_t)(struct libusb20_backend *pbe); 57typedef int (libusb20_root_set_template_t)(struct libusb20_backend *pbe, int temp); 58typedef int (libusb20_root_get_template_t)(struct libusb20_backend *pbe, int *ptemp); 59 60#define LIBUSB20_DEFINE(n,field) \ 61 libusb20_##field##_t *field; 62 63#define LIBUSB20_DECLARE(n,field) \ 64 /* .field = */ n##_##field, 65 66#define LIBUSB20_BACKEND(m,n) \ 67 /* description of this backend */ \ 68 m(n, get_backend_name) \ 69 /* optional backend methods */ \ 70 m(n, init_backend) \ 71 m(n, exit_backend) \ 72 m(n, dev_get_info) \ 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 */ \ 81 m(n, open_device) \ 82 m(n, close_device) \ 83 84struct libusb20_backend_methods { 85 LIBUSB20_BACKEND(LIBUSB20_DEFINE,) 86}; 87 88/* USB dummy methods */ 89typedef int (libusb20_dummy_int_t)(void); 90typedef void (libusb20_dummy_void_t)(void); 91 92/* USB device specific */ 93typedef int (libusb20_detach_kernel_driver_t)(struct libusb20_device *pdev, uint8_t iface_index); 94typedef 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); 95typedef int (libusb20_get_config_desc_full_t)(struct libusb20_device *pdev, uint8_t **ppbuf, uint16_t *plen, uint8_t index); 96typedef int (libusb20_get_config_index_t)(struct libusb20_device *pdev, uint8_t *pindex); 97typedef int (libusb20_kernel_driver_active_t)(struct libusb20_device *pdev, uint8_t iface_index); 98typedef int (libusb20_process_t)(struct libusb20_device *pdev); 99typedef int (libusb20_reset_device_t)(struct libusb20_device *pdev); 100typedef int (libusb20_set_power_mode_t)(struct libusb20_device *pdev, uint8_t power_mode); 101typedef int (libusb20_get_power_mode_t)(struct libusb20_device *pdev, uint8_t *power_mode); 102typedef int (libusb20_set_alt_index_t)(struct libusb20_device *pdev, uint8_t iface_index, uint8_t alt_index); 103typedef int (libusb20_set_config_index_t)(struct libusb20_device *pdev, uint8_t index); 104 105/* USB transfer specific */ 106typedef int (libusb20_tr_open_t)(struct libusb20_transfer *xfer, uint32_t MaxBufSize, uint32_t MaxFrameCount, uint8_t ep_no); 107typedef int (libusb20_tr_close_t)(struct libusb20_transfer *xfer); 108typedef int (libusb20_tr_clear_stall_sync_t)(struct libusb20_transfer *xfer); 109typedef void (libusb20_tr_submit_t)(struct libusb20_transfer *xfer); 110typedef void (libusb20_tr_cancel_async_t)(struct libusb20_transfer *xfer); 111 112#define LIBUSB20_DEVICE(m,n) \ 113 m(n, detach_kernel_driver) \ 114 m(n, do_request_sync) \ 115 m(n, get_config_desc_full) \ 116 m(n, get_config_index) \ 117 m(n, kernel_driver_active) \ 118 m(n, process) \ 119 m(n, reset_device) \ 120 m(n, set_power_mode) \ 121 m(n, get_power_mode) \ 122 m(n, set_alt_index) \ 123 m(n, set_config_index) \ 124 m(n, tr_cancel_async) \ 125 m(n, tr_clear_stall_sync) \ 126 m(n, tr_close) \ 127 m(n, tr_open) \ 128 m(n, tr_submit) \ 129 130struct libusb20_device_methods { 131 LIBUSB20_DEVICE(LIBUSB20_DEFINE,) 132}; 133 134struct libusb20_backend { 135 TAILQ_HEAD(, libusb20_device) usb_devs; 136 const struct libusb20_backend_methods *methods; 137}; 138 139struct libusb20_transfer { 140 struct libusb20_device *pdev; /* the USB device we belong to */ 141 libusb20_tr_callback_t *callback; 142 void *priv_sc0; /* private client data */ 143 void *priv_sc1; /* private client data */ 144 /* 145 * Pointer to a list of buffer pointers: 146 */ 147 void **ppBuffer; 148 /* 149 * Pointer to frame lengths, which are updated to actual length 150 * after the USB transfer completes: 151 */ 152 uint32_t *pLength; 153 uint32_t maxTotalLength; 154 uint32_t maxFrames; /* total number of frames */ 155 uint32_t nFrames; /* total number of frames */ 156 uint32_t aFrames; /* actual number of frames */ 157 uint32_t timeout; 158 /* isochronous completion time in milliseconds */ 159 uint16_t timeComplete; 160 uint16_t trIndex; 161 uint16_t maxPacketLen; 162 uint8_t flags; /* see LIBUSB20_TRANSFER_XXX */ 163 uint8_t status; /* see LIBUSB20_TRANSFER_XXX */ 164 uint8_t is_opened; 165 uint8_t is_pending; 166 uint8_t is_cancel; 167 uint8_t is_draining; 168 uint8_t is_restart; 169}; 170 171struct libusb20_device { 172 173 /* device descriptor */ 174 struct LIBUSB20_DEVICE_DESC_DECODED ddesc; 175 176 /* device timestamp */ 177 union libusb20_session_data session_data; 178 179 /* our device entry */ 180 TAILQ_ENTRY(libusb20_device) dev_entry; 181 182 /* device methods */ 183 const struct libusb20_device_methods *methods; 184 185 /* backend methods */ 186 const struct libusb20_backend_methods *beMethods; 187 188 /* list of USB transfers */ 189 struct libusb20_transfer *pTransfer; 190 191 /* private backend data */ 192 void *privBeData; 193 194 /* libUSB v0.1 compat data */ 195 void *priv01Data; 196 197 /* claimed interface */ 198 uint8_t claimed_interface; 199 200 /* device file handle */ 201 int file; 202 203 /* device file handle (control transfers only) */ 204 int file_ctrl; 205 206 /* debugging level */ 207 int debug; 208 209 /* number of USB transfers */ 210 uint16_t nTransfer; 211 212 uint8_t bus_number; 213 uint8_t device_address; 214 uint8_t usb_mode; 215 uint8_t usb_speed; 216 uint8_t is_opened; 217 218 char usb_desc[96]; 219}; 220 221extern const struct libusb20_backend_methods libusb20_ugen20_backend; 222extern const struct libusb20_backend_methods libusb20_linux_backend; 223 224#endif /* _LIBUSB20_INT_H_ */ 225