3 * Copyright (c) 2008-2009 Hans Petter Selasky. All rights reserved.
4 * Copyright (c) 2007-2008 Daniel Drake. All rights reserved.
5 * Copyright (c) 2001 Johannes Erdfelt. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/endian.h>
34 #include <sys/types.h>
49 * Error codes. Most libusb20 functions return 0 on success or one of
50 * these codes on failure.
53 /** Success (no error) */
56 /** Input/output error */
57 LIBUSB20_ERROR_IO = -1,
59 /** Invalid parameter */
60 LIBUSB20_ERROR_INVALID_PARAM = -2,
62 /** Access denied (insufficient permissions) */
63 LIBUSB20_ERROR_ACCESS = -3,
65 /** No such device (it may have been disconnected) */
66 LIBUSB20_ERROR_NO_DEVICE = -4,
68 /** Entity not found */
69 LIBUSB20_ERROR_NOT_FOUND = -5,
72 LIBUSB20_ERROR_BUSY = -6,
74 /** Operation timed out */
75 LIBUSB20_ERROR_TIMEOUT = -7,
78 LIBUSB20_ERROR_OVERFLOW = -8,
81 LIBUSB20_ERROR_PIPE = -9,
83 /** System call interrupted (perhaps due to signal) */
84 LIBUSB20_ERROR_INTERRUPTED = -10,
86 /** Insufficient memory */
87 LIBUSB20_ERROR_NO_MEM = -11,
89 /** Operation not supported or unimplemented on this platform */
90 LIBUSB20_ERROR_NOT_SUPPORTED = -12,
93 LIBUSB20_ERROR_OTHER = -99,
97 * libusb20_tr_get_status() values */
98 enum libusb20_transfer_status {
99 /** Transfer completed without error. Note that this does not
100 * indicate that the entire amount of requested data was
102 LIBUSB20_TRANSFER_COMPLETED,
104 /** Callback code to start transfer */
105 LIBUSB20_TRANSFER_START,
107 /** Drain complete callback code */
108 LIBUSB20_TRANSFER_DRAINED,
110 /** Transfer failed */
111 LIBUSB20_TRANSFER_ERROR,
113 /** Transfer timed out */
114 LIBUSB20_TRANSFER_TIMED_OUT,
116 /** Transfer was cancelled */
117 LIBUSB20_TRANSFER_CANCELLED,
119 /** For bulk/interrupt endpoints: halt condition detected
120 * (endpoint stalled). For control endpoints: control request
122 LIBUSB20_TRANSFER_STALL,
124 /** Device was disconnected */
125 LIBUSB20_TRANSFER_NO_DEVICE,
127 /** Device sent more data than requested */
128 LIBUSB20_TRANSFER_OVERFLOW,
132 * libusb20_tr_set_flags() values */
133 enum libusb20_transfer_flags {
134 /** Report a short frame as error */
135 LIBUSB20_TRANSFER_SINGLE_SHORT_NOT_OK = 0x0001,
137 /** Multiple short frames are not allowed */
138 LIBUSB20_TRANSFER_MULTI_SHORT_NOT_OK = 0x0002,
140 /** All transmitted frames are short terminated */
141 LIBUSB20_TRANSFER_FORCE_SHORT = 0x0004,
143 /** Will do a clear-stall before xfer */
144 LIBUSB20_TRANSFER_DO_CLEAR_STALL = 0x0008,
148 * libusb20_dev_get_mode() values
150 enum libusb20_device_mode {
151 LIBUSB20_MODE_HOST, /* default */
152 LIBUSB20_MODE_DEVICE,
156 * libusb20_dev_get_speed() values
159 LIBUSB20_SPEED_UNKNOWN, /* default */
163 LIBUSB20_SPEED_VARIABLE,
164 LIBUSB20_SPEED_SUPER,
168 * libusb20_dev_set_power() values
174 LIBUSB20_POWER_SUSPEND,
175 LIBUSB20_POWER_RESUME,
178 struct usb_device_info;
179 struct libusb20_transfer;
180 struct libusb20_backend;
181 struct libusb20_backend_methods;
182 struct libusb20_device;
183 struct libusb20_device_methods;
184 struct libusb20_config;
185 struct LIBUSB20_CONTROL_SETUP_DECODED;
186 struct LIBUSB20_DEVICE_DESC_DECODED;
188 typedef void (libusb20_tr_callback_t)(struct libusb20_transfer *xfer);
190 struct libusb20_quirk {
191 uint16_t vid; /* vendor ID */
192 uint16_t pid; /* product ID */
193 uint16_t bcdDeviceLow; /* low revision value, inclusive */
194 uint16_t bcdDeviceHigh; /* high revision value, inclusive */
195 uint16_t reserved[2]; /* for the future */
196 /* quirk name, UQ_XXX, including terminating zero */
197 char quirkname[64 - 12];
200 #define LIBUSB20_MAX_FRAME_PRE_SCALE (1U << 31)
202 /* USB transfer operations */
203 int libusb20_tr_close(struct libusb20_transfer *xfer);
204 int libusb20_tr_open(struct libusb20_transfer *xfer, uint32_t max_buf_size, uint32_t max_frame_count, uint8_t ep_no);
205 struct libusb20_transfer *libusb20_tr_get_pointer(struct libusb20_device *pdev, uint16_t tr_index);
206 uint16_t libusb20_tr_get_time_complete(struct libusb20_transfer *xfer);
207 uint32_t libusb20_tr_get_actual_frames(struct libusb20_transfer *xfer);
208 uint32_t libusb20_tr_get_actual_length(struct libusb20_transfer *xfer);
209 uint32_t libusb20_tr_get_max_frames(struct libusb20_transfer *xfer);
210 uint32_t libusb20_tr_get_max_packet_length(struct libusb20_transfer *xfer);
211 uint32_t libusb20_tr_get_max_total_length(struct libusb20_transfer *xfer);
212 uint8_t libusb20_tr_get_status(struct libusb20_transfer *xfer);
213 uint8_t libusb20_tr_pending(struct libusb20_transfer *xfer);
214 void libusb20_tr_callback_wrapper(struct libusb20_transfer *xfer);
215 void libusb20_tr_clear_stall_sync(struct libusb20_transfer *xfer);
216 void libusb20_tr_drain(struct libusb20_transfer *xfer);
217 void libusb20_tr_set_buffer(struct libusb20_transfer *xfer, void *buffer, uint16_t fr_index);
218 void libusb20_tr_set_callback(struct libusb20_transfer *xfer, libusb20_tr_callback_t *cb);
219 void libusb20_tr_set_flags(struct libusb20_transfer *xfer, uint8_t flags);
220 uint32_t libusb20_tr_get_length(struct libusb20_transfer *xfer, uint16_t fr_index);
221 void libusb20_tr_set_length(struct libusb20_transfer *xfer, uint32_t length, uint16_t fr_index);
222 void libusb20_tr_set_priv_sc0(struct libusb20_transfer *xfer, void *sc0);
223 void libusb20_tr_set_priv_sc1(struct libusb20_transfer *xfer, void *sc1);
224 void libusb20_tr_set_timeout(struct libusb20_transfer *xfer, uint32_t timeout);
225 void libusb20_tr_set_total_frames(struct libusb20_transfer *xfer, uint32_t nFrames);
226 void libusb20_tr_setup_bulk(struct libusb20_transfer *xfer, void *pbuf, uint32_t length, uint32_t timeout);
227 void libusb20_tr_setup_control(struct libusb20_transfer *xfer, void *psetup, void *pbuf, uint32_t timeout);
228 void libusb20_tr_setup_intr(struct libusb20_transfer *xfer, void *pbuf, uint32_t length, uint32_t timeout);
229 void libusb20_tr_setup_isoc(struct libusb20_transfer *xfer, void *pbuf, uint32_t length, uint16_t fr_index);
230 uint8_t libusb20_tr_bulk_intr_sync(struct libusb20_transfer *xfer, void *pbuf, uint32_t length, uint32_t *pactlen, uint32_t timeout);
231 void libusb20_tr_start(struct libusb20_transfer *xfer);
232 void libusb20_tr_stop(struct libusb20_transfer *xfer);
233 void libusb20_tr_submit(struct libusb20_transfer *xfer);
234 void *libusb20_tr_get_priv_sc0(struct libusb20_transfer *xfer);
235 void *libusb20_tr_get_priv_sc1(struct libusb20_transfer *xfer);
238 /* USB device operations */
240 const char *libusb20_dev_get_backend_name(struct libusb20_device *pdev);
241 const char *libusb20_dev_get_desc(struct libusb20_device *pdev);
242 int libusb20_dev_close(struct libusb20_device *pdev);
243 int libusb20_dev_detach_kernel_driver(struct libusb20_device *pdev, uint8_t iface_index);
244 int libusb20_dev_set_config_index(struct libusb20_device *pdev, uint8_t configIndex);
245 int libusb20_dev_get_debug(struct libusb20_device *pdev);
246 int libusb20_dev_get_fd(struct libusb20_device *pdev);
247 int libusb20_dev_kernel_driver_active(struct libusb20_device *pdev, uint8_t iface_index);
248 int libusb20_dev_open(struct libusb20_device *pdev, uint16_t transfer_max);
249 int libusb20_dev_process(struct libusb20_device *pdev);
250 int libusb20_dev_request_sync(struct libusb20_device *pdev, struct LIBUSB20_CONTROL_SETUP_DECODED *setup, void *data, uint16_t *pactlen, uint32_t timeout, uint8_t flags);
251 int libusb20_dev_req_string_sync(struct libusb20_device *pdev, uint8_t index, uint16_t langid, void *ptr, uint16_t len);
252 int libusb20_dev_req_string_simple_sync(struct libusb20_device *pdev, uint8_t index, void *ptr, uint16_t len);
253 int libusb20_dev_reset(struct libusb20_device *pdev);
254 int libusb20_dev_check_connected(struct libusb20_device *pdev);
255 int libusb20_dev_set_power_mode(struct libusb20_device *pdev, uint8_t power_mode);
256 uint8_t libusb20_dev_get_power_mode(struct libusb20_device *pdev);
257 int libusb20_dev_get_port_path(struct libusb20_device *pdev, uint8_t *buf, uint8_t bufsize);
258 uint16_t libusb20_dev_get_power_usage(struct libusb20_device *pdev);
259 int libusb20_dev_set_alt_index(struct libusb20_device *pdev, uint8_t iface_index, uint8_t alt_index);
260 int libusb20_dev_get_info(struct libusb20_device *pdev, struct usb_device_info *pinfo);
261 int libusb20_dev_get_iface_desc(struct libusb20_device *pdev, uint8_t iface_index, char *buf, uint8_t len);
263 struct LIBUSB20_DEVICE_DESC_DECODED *libusb20_dev_get_device_desc(struct libusb20_device *pdev);
264 struct libusb20_config *libusb20_dev_alloc_config(struct libusb20_device *pdev, uint8_t config_index);
265 struct libusb20_device *libusb20_dev_alloc(void);
266 uint8_t libusb20_dev_get_address(struct libusb20_device *pdev);
267 uint8_t libusb20_dev_get_parent_address(struct libusb20_device *pdev);
268 uint8_t libusb20_dev_get_parent_port(struct libusb20_device *pdev);
269 uint8_t libusb20_dev_get_bus_number(struct libusb20_device *pdev);
270 uint8_t libusb20_dev_get_mode(struct libusb20_device *pdev);
271 uint8_t libusb20_dev_get_speed(struct libusb20_device *pdev);
272 uint8_t libusb20_dev_get_config_index(struct libusb20_device *pdev);
273 void libusb20_dev_free(struct libusb20_device *pdev);
274 void libusb20_dev_set_debug(struct libusb20_device *pdev, int debug);
275 void libusb20_dev_wait_process(struct libusb20_device *pdev, int timeout);
277 /* USB global operations */
279 int libusb20_be_get_dev_quirk(struct libusb20_backend *pbe, uint16_t index, struct libusb20_quirk *pq);
280 int libusb20_be_get_quirk_name(struct libusb20_backend *pbe, uint16_t index, struct libusb20_quirk *pq);
281 int libusb20_be_add_dev_quirk(struct libusb20_backend *pbe, struct libusb20_quirk *pq);
282 int libusb20_be_remove_dev_quirk(struct libusb20_backend *pbe, struct libusb20_quirk *pq);
283 int libusb20_be_get_template(struct libusb20_backend *pbe, int *ptemp);
284 int libusb20_be_set_template(struct libusb20_backend *pbe, int temp);
286 /* USB backend operations */
288 struct libusb20_backend *libusb20_be_alloc(const struct libusb20_backend_methods *methods);
289 struct libusb20_backend *libusb20_be_alloc_default(void);
290 struct libusb20_backend *libusb20_be_alloc_freebsd(void);
291 struct libusb20_backend *libusb20_be_alloc_linux(void);
292 struct libusb20_backend *libusb20_be_alloc_ugen20(void);
293 struct libusb20_device *libusb20_be_device_foreach(struct libusb20_backend *pbe, struct libusb20_device *pdev);
294 void libusb20_be_dequeue_device(struct libusb20_backend *pbe, struct libusb20_device *pdev);
295 void libusb20_be_enqueue_device(struct libusb20_backend *pbe, struct libusb20_device *pdev);
296 void libusb20_be_free(struct libusb20_backend *pbe);
300 const char *libusb20_strerror(int);
301 const char *libusb20_error_name(int);
311 #endif /* _LIBUSB20_H_ */