usbdi.h revision 1.108 1 /* $NetBSD: usbdi.h,v 1.108 2022/08/20 11:32:20 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 #include <sys/types.h>
38
39 #include <dev/usb/usb.h>
40
41 struct usbd_bus;
42 struct usbd_device;
43 struct usbd_interface;
44 struct usbd_pipe;
45 struct usbd_xfer;
46
47 typedef enum { /* keep in sync with usbd_error_strs */
48 USBD_NORMAL_COMPLETION = 0, /* must be 0 */
49 USBD_IN_PROGRESS, /* 1 */
50 /* errors */
51 USBD_PENDING_REQUESTS, /* 2 */
52 USBD_NOT_STARTED, /* 3 */
53 USBD_INVAL, /* 4 */
54 USBD_NOMEM, /* 5 */
55 USBD_CANCELLED, /* 6 */
56 USBD_BAD_ADDRESS, /* 7 */
57 USBD_IN_USE, /* 8 */
58 USBD_NO_ADDR, /* 9 */
59 USBD_SET_ADDR_FAILED, /* 10 */
60 USBD_NO_POWER, /* 11 */
61 USBD_TOO_DEEP, /* 12 */
62 USBD_IOERROR, /* 13 */
63 USBD_NOT_CONFIGURED, /* 14 */
64 USBD_TIMEOUT, /* 15 */
65 USBD_SHORT_XFER, /* 16 */
66 USBD_STALLED, /* 17 */
67 USBD_INTERRUPTED, /* 18 */
68
69 USBD_ERROR_MAX /* must be last */
70 } usbd_status;
71
72 typedef void (*usbd_callback)(struct usbd_xfer *, void *, usbd_status);
73
74 /* Use default (specified by ep. desc.) interval on interrupt pipe */
75 #define USBD_DEFAULT_INTERVAL (-1)
76
77 /* Open flags */
78 #define USBD_EXCLUSIVE_USE 0x01
79 #define USBD_MPSAFE 0x80
80
81 /* Request flags */
82 #define USBD_SYNCHRONOUS 0x02 /* wait for completion */
83 /* in usb.h #define USBD_SHORT_XFER_OK 0x04*/ /* allow short reads */
84 #define USBD_FORCE_SHORT_XFER 0x08 /* force last short packet on write */
85 #define USBD_SYNCHRONOUS_SIG 0x10 /* if waiting for completion,
86 * also take signals */
87
88 #define USBD_NO_TIMEOUT 0
89 #define USBD_DEFAULT_TIMEOUT 5000 /* ms = 5 s */
90 #define USBD_CONFIG_TIMEOUT (3*USBD_DEFAULT_TIMEOUT)
91
92 #define DEVINFOSIZE 1024
93
94 usbd_status usbd_open_pipe_intr(struct usbd_interface *, uint8_t, uint8_t,
95 struct usbd_pipe **, void *, void *, uint32_t, usbd_callback, int);
96 usbd_status usbd_open_pipe(struct usbd_interface *, uint8_t, uint8_t,
97 struct usbd_pipe **);
98 void usbd_close_pipe(struct usbd_pipe *);
99
100 usbd_status usbd_transfer(struct usbd_xfer *);
101
102 void *usbd_get_buffer(struct usbd_xfer *);
103 struct usbd_pipe *usbd_get_pipe0(struct usbd_device *);
104
105 int usbd_create_xfer(struct usbd_pipe *, size_t, unsigned int, unsigned int,
106 struct usbd_xfer **);
107 void usbd_destroy_xfer(struct usbd_xfer *);
108
109 void usbd_setup_xfer(struct usbd_xfer *, void *, void *,
110 uint32_t, uint16_t, uint32_t, usbd_callback);
111
112 void usbd_setup_default_xfer(struct usbd_xfer *, struct usbd_device *,
113 void *, uint32_t, usb_device_request_t *, void *,
114 uint32_t, uint16_t, usbd_callback);
115
116 void usbd_setup_isoc_xfer(struct usbd_xfer *, void *, uint16_t *,
117 uint32_t, uint16_t, usbd_callback);
118
119 void usbd_get_xfer_status(struct usbd_xfer *, void **,
120 void **, uint32_t *, usbd_status *);
121
122 usb_endpoint_descriptor_t *usbd_interface2endpoint_descriptor
123 (struct usbd_interface *, uint8_t);
124
125 void usbd_abort_pipe(struct usbd_pipe *);
126 void usbd_abort_default_pipe(struct usbd_device *);
127
128 void usbd_suspend_pipe(struct usbd_pipe *);
129 void usbd_resume_pipe(struct usbd_pipe *);
130
131 usbd_status usbd_clear_endpoint_stall(struct usbd_pipe *);
132 void usbd_clear_endpoint_stall_async(struct usbd_pipe *);
133
134 void usbd_clear_endpoint_toggle(struct usbd_pipe *);
135 usbd_status usbd_endpoint_count(struct usbd_interface *, uint8_t *);
136
137 usbd_status usbd_interface_count(struct usbd_device *, uint8_t *);
138
139 void usbd_interface2device_handle(struct usbd_interface *, struct usbd_device **);
140 usbd_status usbd_device2interface_handle(struct usbd_device *,
141 uint8_t, struct usbd_interface **);
142
143 struct usbd_device *usbd_pipe2device_handle(struct usbd_pipe *);
144
145 usbd_status usbd_sync_transfer(struct usbd_xfer *);
146 usbd_status usbd_sync_transfer_sig(struct usbd_xfer *);
147
148 usbd_status usbd_do_request(struct usbd_device *, usb_device_request_t *, void *);
149 usbd_status usbd_do_request_flags(struct usbd_device *, usb_device_request_t *,
150 void *, uint16_t, int *, uint32_t);
151 usbd_status usbd_do_request_len(struct usbd_device *dev,
152 usb_device_request_t *req, size_t len, void *data, uint16_t flags,
153 int *actlen, uint32_t timeout);
154
155 usb_interface_descriptor_t *
156 usbd_get_interface_descriptor(struct usbd_interface *);
157 usb_endpoint_descriptor_t *
158 usbd_get_endpoint_descriptor(struct usbd_interface *, uint8_t);
159
160 usb_config_descriptor_t *usbd_get_config_descriptor(struct usbd_device *);
161 usb_device_descriptor_t *usbd_get_device_descriptor(struct usbd_device *);
162
163 usbd_status usbd_set_interface(struct usbd_interface *, int);
164 usbd_status usbd_get_interface(struct usbd_interface *, uint8_t *);
165
166 int usbd_get_no_alts(usb_config_descriptor_t *, int);
167
168 void usbd_fill_deviceinfo(struct usbd_device *, struct usb_device_info *, int);
169 int usbd_get_interface_altindex(struct usbd_interface *);
170
171 usb_interface_descriptor_t *usbd_find_idesc(usb_config_descriptor_t *,
172 int, int);
173 usb_endpoint_descriptor_t *usbd_find_edesc(usb_config_descriptor_t *,
174 int, int, int);
175
176 void usbd_dopoll(struct usbd_interface *);
177 void usbd_set_polling(struct usbd_device *, int);
178
179 const char *usbd_errstr(usbd_status);
180
181 void usbd_add_dev_event(int, struct usbd_device *);
182 void usbd_add_drv_event(int, struct usbd_device *, device_t);
183
184 char *usbd_devinfo_alloc(struct usbd_device *, int);
185 void usbd_devinfo_free(char *);
186
187 const struct usbd_quirks *usbd_get_quirks(struct usbd_device *);
188
189 usbd_status usbd_reload_device_desc(struct usbd_device *);
190
191 int usbd_ratecheck(struct timeval *);
192
193 usbd_status usbd_get_string(struct usbd_device *, int, char *);
194 usbd_status usbd_get_string0(struct usbd_device *, int, char *, int);
195
196 /* For use by HCI drivers, not USB device drivers */
197 void usbd_xfer_schedule_timeout(struct usbd_xfer *);
198 bool usbd_xfer_trycomplete(struct usbd_xfer *);
199 void usbd_xfer_abort(struct usbd_xfer *);
200
201 /* Used to clear endpoint stalls from the softint */
202 void usbd_clear_endpoint_stall_task(void *);
203
204 /*
205 * The usb_task structs form a queue of things to run in the USB event
206 * thread. Normally this is just device discovery when a connect/disconnect
207 * has been detected. But it may also be used by drivers that need to
208 * perform (short) tasks that must have a process context.
209 */
210 struct usb_task {
211 TAILQ_ENTRY(usb_task) next;
212 void (*fun)(void *);
213 void *arg;
214 volatile unsigned queue;
215 int flags;
216 };
217 #define USB_TASKQ_HC 0
218 #define USB_TASKQ_DRIVER 1
219 #define USB_NUM_TASKQS 2
220 #define USB_TASKQ_NAMES {"usbtask-hc", "usbtask-dr"}
221 #define USB_TASKQ_MPSAFE 0x80
222
223 void usb_add_task(struct usbd_device *, struct usb_task *, int);
224 bool usb_rem_task(struct usbd_device *, struct usb_task *);
225 bool usb_rem_task_wait(struct usbd_device *, struct usb_task *, int,
226 kmutex_t *);
227 bool usb_task_pending(struct usbd_device *, struct usb_task *);
228 #define usb_init_task(t, f, a, fl) ((t)->fun = (f), (t)->arg = (a), (t)->queue = USB_NUM_TASKQS, (t)->flags = (fl))
229
230 bool usb_in_event_thread(device_t);
231
232 struct usb_devno {
233 uint16_t ud_vendor;
234 uint16_t ud_product;
235 };
236 const struct usb_devno *usb_match_device(const struct usb_devno *,
237 u_int, u_int, uint16_t, uint16_t);
238 #define usb_lookup(tbl, vendor, product) \
239 usb_match_device((const struct usb_devno *)(tbl), sizeof(tbl) / sizeof((tbl)[0]), sizeof((tbl)[0]), (vendor), (product))
240 #define USB_PRODUCT_ANY 0xffff
241
242 /* compat callbacks */
243 void usbd_devinfo_vp(struct usbd_device *, char *, size_t, char *, size_t,
244 int, int);
245 int usbd_printBCD(char *, size_t, int);
246
247
248 /* NetBSD attachment information */
249
250 /* Attach data */
251 struct usb_attach_arg {
252 int uaa_port;
253 int uaa_vendor;
254 int uaa_product;
255 int uaa_release;
256 struct usbd_device * uaa_device; /* current device */
257 int uaa_class;
258 int uaa_subclass;
259 int uaa_proto;
260 int uaa_usegeneric;
261 };
262
263 struct usbif_attach_arg {
264 int uiaa_port;
265 int uiaa_configno;
266 int uiaa_ifaceno;
267 int uiaa_vendor;
268 int uiaa_product;
269 int uiaa_release;
270 struct usbd_device * uiaa_device; /* current device */
271
272 struct usbd_interface * uiaa_iface; /* current interface */
273 int uiaa_class;
274 int uiaa_subclass;
275 int uiaa_proto;
276
277 /* XXX need accounting for interfaces not matched to */
278
279 struct usbd_interface **uiaa_ifaces; /* all interfaces */
280 int uiaa_nifaces; /* number of interfaces */
281 };
282
283 /* Match codes. */
284 #define UMATCH_HIGHEST 15
285 /* First five codes is for a whole device. */
286 #define UMATCH_VENDOR_PRODUCT_REV 14
287 #define UMATCH_VENDOR_PRODUCT 13
288 #define UMATCH_VENDOR_DEVCLASS_DEVPROTO 12
289 #define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO 11
290 #define UMATCH_DEVCLASS_DEVSUBCLASS 10
291 /* Next six codes are for interfaces. */
292 #define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE 9
293 #define UMATCH_VENDOR_PRODUCT_CONF_IFACE 8
294 #define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO 7
295 #define UMATCH_VENDOR_IFACESUBCLASS 6
296 #define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO 5
297 #define UMATCH_IFACECLASS_IFACESUBCLASS 4
298 #define UMATCH_IFACECLASS 3
299 #define UMATCH_IFACECLASS_GENERIC 2
300 /* Generic driver */
301 #define UMATCH_GENERIC 1
302 /* No match */
303 #define UMATCH_NONE 0
304
305
306 /*
307 * IPL_USB is defined as IPL_VM for drivers that have not been made MP safe.
308 * IPL_VM (currently) takes the kernel lock.
309 *
310 * Eventually, IPL_USB can/should be changed
311 */
312 #define IPL_USB IPL_VM
313 #define splhardusb splvm
314
315 #define SOFTINT_USB SOFTINT_SERIAL
316 #define IPL_SOFTUSB IPL_SOFTSERIAL
317 #define splusb splsoftserial
318
319 #endif /* _USBDI_H_ */
320