usbdi.h revision 1.87 1 /* $NetBSD: usbdi.h,v 1.87 2013/01/22 13:27:59 jmcneill Exp $ */
2 /* $FreeBSD: src/sys/dev/usb/usbdi.h,v 1.18 1999/11/17 22:33:49 n_hibma Exp $ */
3
4 /*
5 * Copyright (c) 1998 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Lennart Augustsson (lennart (at) augustsson.net) at
10 * Carlstedt Research & Technology.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 #ifndef _USBDI_H_
35 #define _USBDI_H_
36
37 typedef struct usbd_bus *usbd_bus_handle;
38 typedef struct usbd_device *usbd_device_handle;
39 typedef struct usbd_interface *usbd_interface_handle;
40 typedef struct usbd_pipe *usbd_pipe_handle;
41 typedef struct usbd_xfer *usbd_xfer_handle;
42 typedef void *usbd_private_handle;
43
44 typedef enum { /* keep in sync with usbd_error_strs */
45 USBD_NORMAL_COMPLETION = 0, /* must be 0 */
46 USBD_IN_PROGRESS, /* 1 */
47 /* errors */
48 USBD_PENDING_REQUESTS, /* 2 */
49 USBD_NOT_STARTED, /* 3 */
50 USBD_INVAL, /* 4 */
51 USBD_NOMEM, /* 5 */
52 USBD_CANCELLED, /* 6 */
53 USBD_BAD_ADDRESS, /* 7 */
54 USBD_IN_USE, /* 8 */
55 USBD_NO_ADDR, /* 9 */
56 USBD_SET_ADDR_FAILED, /* 10 */
57 USBD_NO_POWER, /* 11 */
58 USBD_TOO_DEEP, /* 12 */
59 USBD_IOERROR, /* 13 */
60 USBD_NOT_CONFIGURED, /* 14 */
61 USBD_TIMEOUT, /* 15 */
62 USBD_SHORT_XFER, /* 16 */
63 USBD_STALLED, /* 17 */
64 USBD_INTERRUPTED, /* 18 */
65
66 USBD_ERROR_MAX /* must be last */
67 } usbd_status;
68
69 typedef void (*usbd_callback)(usbd_xfer_handle, usbd_private_handle,
70 usbd_status);
71
72 /* Open flags */
73 #define USBD_EXCLUSIVE_USE 0x01
74 #define USBD_MPSAFE 0x80
75
76 /* Use default (specified by ep. desc.) interval on interrupt pipe */
77 #define USBD_DEFAULT_INTERVAL (-1)
78
79 /* Request flags */
80 #define USBD_NO_COPY 0x01 /* do not copy data to DMA buffer */
81 #define USBD_SYNCHRONOUS 0x02 /* wait for completion */
82 /* in usb.h #define USBD_SHORT_XFER_OK 0x04*/ /* allow short reads */
83 #define USBD_FORCE_SHORT_XFER 0x08 /* force last short packet on write */
84 #define USBD_SYNCHRONOUS_SIG 0x10 /* if waiting for completion,
85 * also take signals */
86
87 #define USBD_NO_TIMEOUT 0
88 #define USBD_DEFAULT_TIMEOUT 5000 /* ms = 5 s */
89 #define USBD_CONFIG_TIMEOUT (3*USBD_DEFAULT_TIMEOUT)
90
91 #define DEVINFOSIZE 1024
92
93 usbd_status usbd_open_pipe(usbd_interface_handle, u_int8_t,
94 u_int8_t, usbd_pipe_handle *);
95 usbd_status usbd_close_pipe(usbd_pipe_handle);
96 usbd_status usbd_transfer(usbd_xfer_handle);
97 usbd_xfer_handle usbd_alloc_xfer(usbd_device_handle);
98 usbd_status usbd_free_xfer(usbd_xfer_handle);
99 void usbd_setup_xfer(usbd_xfer_handle, usbd_pipe_handle,
100 usbd_private_handle, void *,
101 u_int32_t, u_int16_t, u_int32_t,
102 usbd_callback);
103 void usbd_setup_default_xfer(usbd_xfer_handle, usbd_device_handle,
104 usbd_private_handle, u_int32_t,
105 usb_device_request_t *, void *,
106 u_int32_t, u_int16_t, usbd_callback);
107 void usbd_setup_isoc_xfer(usbd_xfer_handle, usbd_pipe_handle,
108 usbd_private_handle, u_int16_t *,
109 u_int32_t, u_int16_t, usbd_callback);
110 void usbd_get_xfer_status(usbd_xfer_handle, usbd_private_handle *,
111 void **, u_int32_t *, usbd_status *);
112 usb_endpoint_descriptor_t *usbd_interface2endpoint_descriptor
113 (usbd_interface_handle, u_int8_t);
114 usbd_status usbd_abort_pipe(usbd_pipe_handle);
115 usbd_status usbd_abort_default_pipe(usbd_device_handle);
116 usbd_status usbd_clear_endpoint_stall(usbd_pipe_handle);
117 void usbd_clear_endpoint_stall_async(usbd_pipe_handle);
118 void usbd_clear_endpoint_toggle(usbd_pipe_handle);
119 usbd_status usbd_endpoint_count(usbd_interface_handle, u_int8_t *);
120 usbd_status usbd_interface_count(usbd_device_handle, u_int8_t *);
121 void usbd_interface2device_handle(usbd_interface_handle,
122 usbd_device_handle *);
123 usbd_status usbd_device2interface_handle(usbd_device_handle,
124 u_int8_t, usbd_interface_handle *);
125
126 usbd_device_handle usbd_pipe2device_handle(usbd_pipe_handle);
127 void *usbd_alloc_buffer(usbd_xfer_handle, u_int32_t);
128 void usbd_free_buffer(usbd_xfer_handle);
129 void *usbd_get_buffer(usbd_xfer_handle);
130 usbd_status usbd_sync_transfer(usbd_xfer_handle);
131 usbd_status usbd_sync_transfer_sig(usbd_xfer_handle);
132 usbd_status usbd_open_pipe_intr(usbd_interface_handle, u_int8_t,
133 u_int8_t, usbd_pipe_handle *,
134 usbd_private_handle, void *,
135 u_int32_t, usbd_callback, int);
136 usbd_status usbd_do_request(usbd_device_handle, usb_device_request_t *, void *);
137 usbd_status usbd_do_request_async(usbd_device_handle,
138 usb_device_request_t *, void *);
139 usbd_status usbd_do_request_flags(usbd_device_handle, usb_device_request_t *,
140 void *, u_int16_t, int*, u_int32_t);
141 usbd_status usbd_do_request_flags_pipe(usbd_device_handle, usbd_pipe_handle,
142 usb_device_request_t *, void *, u_int16_t, int *, u_int32_t);
143 usb_interface_descriptor_t *usbd_get_interface_descriptor
144 (usbd_interface_handle);
145 usb_config_descriptor_t *usbd_get_config_descriptor(usbd_device_handle);
146 usb_device_descriptor_t *usbd_get_device_descriptor(usbd_device_handle);
147 usbd_status usbd_set_interface(usbd_interface_handle, int);
148 int usbd_get_no_alts(usb_config_descriptor_t *, int);
149 usbd_status usbd_get_interface(usbd_interface_handle, u_int8_t *);
150 void usbd_fill_deviceinfo(usbd_device_handle, struct usb_device_info *, int);
151 #ifdef COMPAT_30
152 void usbd_fill_deviceinfo_old(usbd_device_handle, struct usb_device_info_old *,
153 int);
154 #endif
155 int usbd_get_interface_altindex(usbd_interface_handle);
156
157 usb_interface_descriptor_t *usbd_find_idesc(usb_config_descriptor_t *,
158 int, int);
159 usb_endpoint_descriptor_t *usbd_find_edesc(usb_config_descriptor_t *,
160 int, int, int);
161
162 void usbd_dopoll(usbd_interface_handle);
163 void usbd_set_polling(usbd_device_handle, int);
164
165 const char *usbd_errstr(usbd_status);
166
167 void usbd_add_dev_event(int, usbd_device_handle);
168 void usbd_add_drv_event(int, usbd_device_handle, device_t);
169
170 char *usbd_devinfo_alloc(usbd_device_handle, int);
171 void usbd_devinfo_free(char *);
172
173 const struct usbd_quirks *usbd_get_quirks(usbd_device_handle);
174 usb_endpoint_descriptor_t *usbd_get_endpoint_descriptor
175 (usbd_interface_handle, u_int8_t);
176
177 usbd_status usbd_reload_device_desc(usbd_device_handle);
178
179 int usbd_ratecheck(struct timeval *);
180
181 usbd_status usbd_get_string(usbd_device_handle, int, char *);
182 usbd_status usbd_get_string0(usbd_device_handle, int, char *, int);
183
184 /* An iterator for descriptors. */
185 typedef struct {
186 const uByte *cur;
187 const uByte *end;
188 } usbd_desc_iter_t;
189 void usb_desc_iter_init(usbd_device_handle, usbd_desc_iter_t *);
190 const usb_descriptor_t *usb_desc_iter_next(usbd_desc_iter_t *);
191
192 /* Used to clear endpoint stalls from the softint */
193 void usbd_clear_endpoint_stall_async_cb(void *);
194
195 /*
196 * The usb_task structs form a queue of things to run in the USB event
197 * thread. Normally this is just device discovery when a connect/disconnect
198 * has been detected. But it may also be used by drivers that need to
199 * perform (short) tasks that must have a process context.
200 */
201 struct usb_task {
202 TAILQ_ENTRY(usb_task) next;
203 void (*fun)(void *);
204 void *arg;
205 int queue;
206 int flags;
207 };
208 #define USB_TASKQ_HC 0
209 #define USB_TASKQ_DRIVER 1
210 #define USB_NUM_TASKQS 2
211 #define USB_TASKQ_NAMES {"usbtask-hc", "usbtask-dr"}
212 #define USB_TASKQ_MPSAFE 0x80
213
214 void usb_add_task(usbd_device_handle, struct usb_task *, int);
215 void usb_rem_task(usbd_device_handle, struct usb_task *);
216 #define usb_init_task(t, f, a, fl) ((t)->fun = (f), (t)->arg = (a), (t)->queue = -1, (t)->flags = (fl))
217
218 struct usb_devno {
219 u_int16_t ud_vendor;
220 u_int16_t ud_product;
221 };
222 const struct usb_devno *usb_match_device(const struct usb_devno *,
223 u_int, u_int, u_int16_t, u_int16_t);
224 #define usb_lookup(tbl, vendor, product) \
225 usb_match_device((const struct usb_devno *)(tbl), sizeof (tbl) / sizeof ((tbl)[0]), sizeof ((tbl)[0]), (vendor), (product))
226 #define USB_PRODUCT_ANY 0xffff
227
228 /* NetBSD attachment information */
229
230 /* Attach data */
231 struct usb_attach_arg {
232 int port;
233 int vendor;
234 int product;
235 int release;
236 usbd_device_handle device; /* current device */
237 int class, subclass, proto;
238 int usegeneric;
239 };
240
241 struct usbif_attach_arg {
242 int port;
243 int configno;
244 int ifaceno;
245 int vendor;
246 int product;
247 int release;
248 usbd_device_handle device; /* current device */
249
250 usbd_interface_handle iface; /* current interface */
251 int class, subclass, proto;
252
253 /* XXX need accounting for interfaces not matched to */
254
255 usbd_interface_handle *ifaces; /* all interfaces */
256 int nifaces; /* number of interfaces */
257 };
258
259 /* Match codes. */
260 #define UMATCH_HIGHEST 15
261 /* First five codes is for a whole device. */
262 #define UMATCH_VENDOR_PRODUCT_REV 14
263 #define UMATCH_VENDOR_PRODUCT 13
264 #define UMATCH_VENDOR_DEVCLASS_DEVPROTO 12
265 #define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO 11
266 #define UMATCH_DEVCLASS_DEVSUBCLASS 10
267 /* Next six codes are for interfaces. */
268 #define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE 9
269 #define UMATCH_VENDOR_PRODUCT_CONF_IFACE 8
270 #define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO 7
271 #define UMATCH_VENDOR_IFACESUBCLASS 6
272 #define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO 5
273 #define UMATCH_IFACECLASS_IFACESUBCLASS 4
274 #define UMATCH_IFACECLASS 3
275 #define UMATCH_IFACECLASS_GENERIC 2
276 /* Generic driver */
277 #define UMATCH_GENERIC 1
278 /* No match */
279 #define UMATCH_NONE 0
280
281 #define splusb splsoftnet
282 #define splhardusb splbio
283 #define IPL_USB IPL_BIO
284 #define IPL_SOFTUSB IPL_SOFTNET
285
286 #endif /* _USBDI_H_ */
287