usbdi.h revision 1.95 1 /* $NetBSD: usbdi.h,v 1.95 2018/08/02 06:09:04 riastradh 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 struct usbd_bus;
38 struct usbd_device;
39 struct usbd_interface;
40 struct usbd_pipe;
41 struct usbd_xfer;
42
43 typedef enum { /* keep in sync with usbd_error_strs */
44 USBD_NORMAL_COMPLETION = 0, /* must be 0 */
45 USBD_IN_PROGRESS, /* 1 */
46 /* errors */
47 USBD_PENDING_REQUESTS, /* 2 */
48 USBD_NOT_STARTED, /* 3 */
49 USBD_INVAL, /* 4 */
50 USBD_NOMEM, /* 5 */
51 USBD_CANCELLED, /* 6 */
52 USBD_BAD_ADDRESS, /* 7 */
53 USBD_IN_USE, /* 8 */
54 USBD_NO_ADDR, /* 9 */
55 USBD_SET_ADDR_FAILED, /* 10 */
56 USBD_NO_POWER, /* 11 */
57 USBD_TOO_DEEP, /* 12 */
58 USBD_IOERROR, /* 13 */
59 USBD_NOT_CONFIGURED, /* 14 */
60 USBD_TIMEOUT, /* 15 */
61 USBD_SHORT_XFER, /* 16 */
62 USBD_STALLED, /* 17 */
63 USBD_INTERRUPTED, /* 18 */
64
65 USBD_ERROR_MAX /* must be last */
66 } usbd_status;
67
68 typedef void (*usbd_callback)(struct usbd_xfer *, void *, usbd_status);
69
70 /* Use default (specified by ep. desc.) interval on interrupt pipe */
71 #define USBD_DEFAULT_INTERVAL (-1)
72
73 /* Open flags */
74 #define USBD_EXCLUSIVE_USE 0x01
75 #define USBD_MPSAFE 0x80
76
77 /* Request flags */
78 #define USBD_SYNCHRONOUS 0x02 /* wait for completion */
79 /* in usb.h #define USBD_SHORT_XFER_OK 0x04*/ /* allow short reads */
80 #define USBD_FORCE_SHORT_XFER 0x08 /* force last short packet on write */
81 #define USBD_SYNCHRONOUS_SIG 0x10 /* if waiting for completion,
82 * also take signals */
83
84 #define USBD_NO_TIMEOUT 0
85 #define USBD_DEFAULT_TIMEOUT 5000 /* ms = 5 s */
86 #define USBD_CONFIG_TIMEOUT (3*USBD_DEFAULT_TIMEOUT)
87
88 #define DEVINFOSIZE 1024
89
90 usbd_status usbd_open_pipe_intr(struct usbd_interface *, uint8_t, uint8_t,
91 struct usbd_pipe **, void *, void *, uint32_t, usbd_callback, int);
92 usbd_status usbd_open_pipe(struct usbd_interface *, uint8_t, uint8_t,
93 struct usbd_pipe **);
94 usbd_status usbd_close_pipe(struct usbd_pipe *);
95
96 usbd_status usbd_transfer(struct usbd_xfer *);
97
98 void *usbd_get_buffer(struct usbd_xfer *);
99 struct usbd_pipe *usbd_get_pipe0(struct usbd_device *);
100
101 int usbd_create_xfer(struct usbd_pipe *, size_t, unsigned int, unsigned int,
102 struct usbd_xfer **);
103 void usbd_destroy_xfer(struct usbd_xfer *);
104
105 void usbd_setup_xfer(struct usbd_xfer *, void *, void *,
106 uint32_t, uint16_t, uint32_t, usbd_callback);
107
108 void usbd_setup_default_xfer(struct usbd_xfer *, struct usbd_device *,
109 void *, uint32_t, usb_device_request_t *, void *,
110 uint32_t, uint16_t, usbd_callback);
111
112 void usbd_setup_isoc_xfer(struct usbd_xfer *, void *, uint16_t *,
113 uint32_t, uint16_t, usbd_callback);
114
115 void usbd_get_xfer_status(struct usbd_xfer *, void **,
116 void **, uint32_t *, usbd_status *);
117
118 usb_endpoint_descriptor_t *usbd_interface2endpoint_descriptor
119 (struct usbd_interface *, uint8_t);
120
121 usbd_status usbd_abort_pipe(struct usbd_pipe *);
122 usbd_status usbd_abort_default_pipe(struct usbd_device *);
123
124 usbd_status usbd_clear_endpoint_stall(struct usbd_pipe *);
125 void usbd_clear_endpoint_stall_async(struct usbd_pipe *);
126
127 void usbd_clear_endpoint_toggle(struct usbd_pipe *);
128 usbd_status usbd_endpoint_count(struct usbd_interface *, uint8_t *);
129
130 usbd_status usbd_interface_count(struct usbd_device *, uint8_t *);
131
132 void usbd_interface2device_handle(struct usbd_interface *, struct usbd_device **);
133 usbd_status usbd_device2interface_handle(struct usbd_device *,
134 uint8_t, struct usbd_interface **);
135
136 struct usbd_device *usbd_pipe2device_handle(struct usbd_pipe *);
137
138 usbd_status usbd_sync_transfer(struct usbd_xfer *);
139 usbd_status usbd_sync_transfer_sig(struct usbd_xfer *);
140
141 usbd_status usbd_do_request(struct usbd_device *, usb_device_request_t *, void *);
142 usbd_status usbd_request_async(struct usbd_device *, struct usbd_xfer *,
143 usb_device_request_t *, void *, usbd_callback);
144 usbd_status usbd_do_request_flags(struct usbd_device *, usb_device_request_t *,
145 void *, uint16_t, int *, uint32_t);
146
147 usb_interface_descriptor_t *
148 usbd_get_interface_descriptor(struct usbd_interface *);
149 usb_endpoint_descriptor_t *
150 usbd_get_endpoint_descriptor(struct usbd_interface *, uint8_t);
151
152 usb_config_descriptor_t *usbd_get_config_descriptor(struct usbd_device *);
153 usb_device_descriptor_t *usbd_get_device_descriptor(struct usbd_device *);
154
155 usbd_status usbd_set_interface(struct usbd_interface *, int);
156 usbd_status usbd_get_interface(struct usbd_interface *, uint8_t *);
157
158 int usbd_get_no_alts(usb_config_descriptor_t *, int);
159
160 void usbd_fill_deviceinfo(struct usbd_device *, struct usb_device_info *, int);
161 #ifdef COMPAT_30
162 void usbd_fill_deviceinfo_old(struct usbd_device *, struct usb_device_info_old *,
163 int);
164 #endif
165 int usbd_get_interface_altindex(struct usbd_interface *);
166
167 usb_interface_descriptor_t *usbd_find_idesc(usb_config_descriptor_t *,
168 int, int);
169 usb_endpoint_descriptor_t *usbd_find_edesc(usb_config_descriptor_t *,
170 int, int, int);
171
172 void usbd_dopoll(struct usbd_interface *);
173 void usbd_set_polling(struct usbd_device *, int);
174
175 const char *usbd_errstr(usbd_status);
176
177 void usbd_add_dev_event(int, struct usbd_device *);
178 void usbd_add_drv_event(int, struct usbd_device *, device_t);
179
180 char *usbd_devinfo_alloc(struct usbd_device *, int);
181 void usbd_devinfo_free(char *);
182
183 const struct usbd_quirks *usbd_get_quirks(struct usbd_device *);
184
185 usbd_status usbd_reload_device_desc(struct usbd_device *);
186
187 int usbd_ratecheck(struct timeval *);
188
189 usbd_status usbd_get_string(struct usbd_device *, int, char *);
190 usbd_status usbd_get_string0(struct usbd_device *, int, char *, int);
191
192 /* An iterator for descriptors. */
193 typedef struct {
194 const uByte *cur;
195 const uByte *end;
196 } usbd_desc_iter_t;
197 void usb_desc_iter_init(struct usbd_device *, usbd_desc_iter_t *);
198 const usb_descriptor_t *usb_desc_iter_next(usbd_desc_iter_t *);
199
200 /* Used to clear endpoint stalls from the softint */
201 void usbd_clear_endpoint_stall_task(void *);
202
203 /*
204 * The usb_task structs form a queue of things to run in the USB event
205 * thread. Normally this is just device discovery when a connect/disconnect
206 * has been detected. But it may also be used by drivers that need to
207 * perform (short) tasks that must have a process context.
208 */
209 struct usb_task {
210 TAILQ_ENTRY(usb_task) next;
211 void (*fun)(void *);
212 void *arg;
213 volatile unsigned queue;
214 int flags;
215 };
216 #define USB_TASKQ_HC 0
217 #define USB_TASKQ_DRIVER 1
218 #define USB_NUM_TASKQS 2
219 #define USB_TASKQ_NAMES {"usbtask-hc", "usbtask-dr"}
220 #define USB_TASKQ_MPSAFE 0x80
221
222 void usb_add_task(struct usbd_device *, struct usb_task *, int);
223 void usb_rem_task(struct usbd_device *, struct usb_task *);
224 bool usb_rem_task_wait(struct usbd_device *, struct usb_task *, int,
225 kmutex_t *);
226 #define usb_init_task(t, f, a, fl) ((t)->fun = (f), (t)->arg = (a), (t)->queue = USB_NUM_TASKQS, (t)->flags = (fl))
227
228 struct usb_devno {
229 uint16_t ud_vendor;
230 uint16_t ud_product;
231 };
232 const struct usb_devno *usb_match_device(const struct usb_devno *,
233 u_int, u_int, uint16_t, uint16_t);
234 #define usb_lookup(tbl, vendor, product) \
235 usb_match_device((const struct usb_devno *)(tbl), sizeof(tbl) / sizeof((tbl)[0]), sizeof((tbl)[0]), (vendor), (product))
236 #define USB_PRODUCT_ANY 0xffff
237
238 /* NetBSD attachment information */
239
240 /* Attach data */
241 struct usb_attach_arg {
242 int uaa_port;
243 int uaa_vendor;
244 int uaa_product;
245 int uaa_release;
246 struct usbd_device * uaa_device; /* current device */
247 int uaa_class;
248 int uaa_subclass;
249 int uaa_proto;
250 int uaa_usegeneric;
251 };
252
253 struct usbif_attach_arg {
254 int uiaa_port;
255 int uiaa_configno;
256 int uiaa_ifaceno;
257 int uiaa_vendor;
258 int uiaa_product;
259 int uiaa_release;
260 struct usbd_device * uiaa_device; /* current device */
261
262 struct usbd_interface * uiaa_iface; /* current interface */
263 int uiaa_class;
264 int uiaa_subclass;
265 int uiaa_proto;
266
267 /* XXX need accounting for interfaces not matched to */
268
269 struct usbd_interface **uiaa_ifaces; /* all interfaces */
270 int uiaa_nifaces; /* number of interfaces */
271 };
272
273 /* Match codes. */
274 #define UMATCH_HIGHEST 15
275 /* First five codes is for a whole device. */
276 #define UMATCH_VENDOR_PRODUCT_REV 14
277 #define UMATCH_VENDOR_PRODUCT 13
278 #define UMATCH_VENDOR_DEVCLASS_DEVPROTO 12
279 #define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO 11
280 #define UMATCH_DEVCLASS_DEVSUBCLASS 10
281 /* Next six codes are for interfaces. */
282 #define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE 9
283 #define UMATCH_VENDOR_PRODUCT_CONF_IFACE 8
284 #define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO 7
285 #define UMATCH_VENDOR_IFACESUBCLASS 6
286 #define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO 5
287 #define UMATCH_IFACECLASS_IFACESUBCLASS 4
288 #define UMATCH_IFACECLASS 3
289 #define UMATCH_IFACECLASS_GENERIC 2
290 /* Generic driver */
291 #define UMATCH_GENERIC 1
292 /* No match */
293 #define UMATCH_NONE 0
294
295
296 /*
297 * IPL_USB is defined as IPL_VM for drivers that have not been made MP safe.
298 * IPL_VM (currently) takes the kernel lock.
299 *
300 * Eventually, IPL_USB can/should be changed
301 */
302 #define IPL_USB IPL_VM
303 #define splhardusb splvm
304
305 #define SOFTINT_USB SOFTINT_SERIAL
306 #define IPL_SOFTUSB IPL_SOFTSERIAL
307 #define splusb splsoftserial
308
309 #endif /* _USBDI_H_ */
310