usbdivar.h revision 1.80.12.3 1 /* $NetBSD: usbdivar.h,v 1.80.12.3 2007/06/22 10:12:25 itohy Exp $ */
2 /* $FreeBSD: src/sys/dev/usb/usbdivar.h,v 1.47 2006/09/07 00:06:42 imp 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 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the NetBSD
23 * Foundation, Inc. and its contributors.
24 * 4. Neither the name of The NetBSD Foundation nor the names of its
25 * contributors may be used to endorse or promote products derived
26 * from this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
39 */
40
41 #if defined(__NetBSD__)
42 #include <sys/callout.h>
43 #endif
44
45 struct usbd_xfer;
46 struct usbd_pipe;
47 struct mbuf;
48
49 struct usbd_endpoint {
50 usb_endpoint_descriptor_t *edesc;
51 int refcnt;
52 int savedtoggle;
53 };
54
55 enum usbd_waitflg {
56 U_NOWAIT, /* callee is not allowed to sleep */
57 U_WAITOK /* caller has context and callee is allowed to sleep */
58 };
59
60 enum usbd_maptype {
61 U_MAP_NONE, /* driver dosn't provide buffer to be mapped */
62 U_MAP_BUFFER, /* map plain buffer provided by driver */
63 U_MAP_MBUF /* map mbuf provided by driver */
64 };
65
66 struct usbd_bus_methods {
67 usbd_status (*open_pipe)(struct usbd_pipe *pipe);
68 void (*soft_intr)(void *);
69 void (*do_poll)(struct usbd_bus *);
70 usbd_status (*allocm)(struct usbd_bus *, usbd_xfer_handle,
71 void *, size_t);
72 void (*freem)(struct usbd_bus *, usbd_xfer_handle,
73 enum usbd_waitflg);
74 usbd_status (*map_alloc)(usbd_xfer_handle);
75 void (*map_free)(usbd_xfer_handle);
76 void (*mapm)(usbd_xfer_handle, void *, size_t);
77 usbd_status (*mapm_mbuf)(usbd_xfer_handle, struct mbuf *);
78 void (*unmapm)(usbd_xfer_handle);
79 struct usbd_xfer * (*allocx)(struct usbd_bus *, usbd_pipe_handle,
80 enum usbd_waitflg);
81 void (*freex)(struct usbd_bus *, struct usbd_xfer *);
82 };
83
84 struct usbd_pipe_methods {
85 usbd_status (*transfer)(usbd_xfer_handle xfer);
86 usbd_status (*start)(usbd_xfer_handle xfer);
87 void (*abort)(usbd_xfer_handle xfer);
88 void (*close)(usbd_pipe_handle pipe);
89 void (*cleartoggle)(usbd_pipe_handle pipe);
90 void (*done)(usbd_xfer_handle xfer);
91 };
92
93 struct usbd_tt {
94 struct usbd_hub *hub;
95 };
96
97 struct usbd_port {
98 usb_port_status_t status;
99 u_int16_t power; /* mA of current on port */
100 u_int8_t portno;
101 u_int8_t restartcnt;
102 #define USBD_RESTART_MAX 5
103 u_int8_t reattach;
104 struct usbd_device *device; /* Connected device */
105 struct usbd_device *parent; /* The ports hub */
106 struct usbd_tt *tt; /* Transaction translator (if any) */
107 };
108
109 struct usbd_hub {
110 usbd_status (*explore)(usbd_device_handle hub);
111 void *hubsoftc;
112 usb_hub_descriptor_t hubdesc;
113 struct usbd_port ports[1];
114 };
115
116 struct usb_softc;
117
118 /*****/
119
120 struct usbd_bus {
121 /* Filled by HC driver */
122 USBBASEDEVICE bdev; /* base device, host adapter */
123 const struct usbd_bus_methods *methods;
124 u_int32_t pipe_size; /* size of a pipe struct */
125 /* Filled by usb driver */
126 struct usbd_device *root_hub;
127 usbd_device_handle devices[USB_MAX_DEVICES];
128 char needs_explore;/* a hub a signalled a change */
129 char use_polling;
130 struct usb_softc *usbctl;
131 struct usb_device_stats stats;
132 int intr_context;
133 u_int no_intrs;
134 int usbrev; /* USB revision */
135 #define USBREV_UNKNOWN 0
136 #define USBREV_PRE_1_0 1
137 #define USBREV_1_0 2
138 #define USBREV_1_1 3
139 #define USBREV_2_0 4
140 #define USBREV_STR { "unknown", "pre 1.0", "1.0", "1.1", "2.0" }
141
142 #ifdef USB_USE_SOFTINTR
143 #ifdef __HAVE_GENERIC_SOFT_INTERRUPTS
144 void *soft; /* soft interrupt cookie */
145 #else
146 struct callout softi;
147 #endif
148 #endif
149 };
150
151 struct usbd_device {
152 struct usbd_bus *bus; /* our controller */
153 struct usbd_pipe *default_pipe; /* pipe 0 */
154 u_int8_t address; /* device addess */
155 u_int8_t config; /* current configuration # */
156 u_int8_t depth; /* distance from root hub */
157 u_int8_t speed; /* low/full/high speed */
158 u_int8_t self_powered; /* flag for self powered */
159 u_int16_t power; /* mA the device uses */
160 int16_t langid; /* language for strings */
161 #define USBD_NOLANG (-1)
162 usb_event_cookie_t cookie; /* unique connection id */
163 struct usbd_port *powersrc; /* upstream hub port, or 0 */
164 struct usbd_device *myhub; /* upstream hub */
165 struct usbd_port *myhsport; /* closest high speed port */
166 struct usbd_endpoint def_ep; /* for pipe 0 */
167 usb_endpoint_descriptor_t def_ep_desc; /* for pipe 0 */
168 struct usbd_interface *ifaces; /* array of all interfaces */
169 usb_device_descriptor_t ddesc; /* device descriptor */
170 usb_config_descriptor_t *cdesc; /* full config descr */
171 const struct usbd_quirks *quirks; /* device quirks, always set */
172 struct usbd_hub *hub; /* only if this is a hub */
173 device_ptr_t *subdevs; /* sub-devices, 0 terminated */
174 uint8_t *ifacenums; /* sub-device interfacenumbers */
175 };
176
177 struct usbd_interface {
178 struct usbd_device *device;
179 usb_interface_descriptor_t *idesc;
180 int index;
181 int altindex;
182 struct usbd_endpoint *endpoints;
183 void *priv;
184 LIST_HEAD(, usbd_pipe) pipes;
185 };
186
187 struct usbd_pipe {
188 struct usbd_interface *iface;
189 struct usbd_device *device;
190 struct usbd_endpoint *endpoint;
191 int refcnt;
192 char running;
193 char aborting;
194 SIMPLEQ_HEAD(, usbd_xfer) queue;
195 LIST_ENTRY(usbd_pipe) next;
196
197 usbd_xfer_handle intrxfer; /* used for repeating requests */
198 char repeat;
199 int interval;
200
201 /* Filled by HC driver. */
202 const struct usbd_pipe_methods *methods;
203 };
204
205 struct usbd_xfer {
206 struct usbd_pipe *pipe;
207 void *priv;
208 void *buffer;
209 u_int32_t length;
210 u_int32_t actlen;
211 u_int16_t flags;
212 u_int32_t timeout;
213 usbd_status status;
214 usbd_callback callback;
215 volatile u_int8_t done;
216 #define XFER_DONE_BOTTOM 1
217 #define XFER_DONE_TOP 2
218 u_int8_t busy_free; /* used for DIAGNOSTIC */
219 #define XFER_FREE 0x46
220 #define XFER_BUSY 0x55
221 #define XFER_ONQU 0x9e
222
223 /* For control pipe */
224 usb_device_request_t request;
225
226 /* For isoc */
227 u_int16_t *frlengths;
228 int nframes;
229
230 /* For memory allocation */
231 struct usbd_device *device;
232 void *hcbuffer; /* buffer for HCI driver */
233
234 size_t bufsize;
235
236 u_int16_t rqflags;
237 #define URQ_REQUEST 0x0001 /* xfer->request valid */
238 #define URQ_AUTO_BUF 0x0010 /* automatically allocated buffer */
239 #define URQ_DEV_BUF 0x0020 /* driver requested to allocate buffer*/
240 #define URQ_DEV_MAP_PREPARED 0x0040 /* driver requested to prepare map */
241 #define URQ_DEV_MAP_BUFFER 0x0080 /* driver requested to map buffer */
242 #define URQ_DEV_MAP_MBUF 0x0100 /* driver requested to map mbuf */
243
244 #define URQ_MASK_DRV_REQUESTED_BUF \
245 (URQ_DEV_BUF | URQ_DEV_MAP_BUFFER | URQ_DEV_MAP_MBUF)
246 #define URQ_MASK_BUF (URQ_MASK_DRV_REQUESTED_BUF | URQ_AUTO_BUF)
247
248 SIMPLEQ_ENTRY(usbd_xfer) next;
249
250 void *hcpriv; /* private use by the HC driver */
251 u_int8_t hcflags; /* private use by the HC driver */
252 #define UXFER_ABORTING 0x01 /* xfer is aborting. */
253 #define UXFER_ABORTWAIT 0x02 /* abort completion is being awaited. */
254
255 usb_callout_t timeout_handle;
256 struct usb_task task;
257 };
258
259 void usbd_init(void);
260 void usbd_finish(void);
261
262 #ifdef USB_DEBUG
263 void usbd_dump_iface(struct usbd_interface *iface);
264 void usbd_dump_device(struct usbd_device *dev);
265 void usbd_dump_endpoint(struct usbd_endpoint *endp);
266 void usbd_dump_queue(usbd_pipe_handle pipe);
267 void usbd_dump_pipe(usbd_pipe_handle pipe);
268 #endif
269
270 /* Routines from usb_subr.c */
271 int usbctlprint(void *, const char *);
272 void usb_delay_ms(usbd_bus_handle, u_int);
273 usbd_status usbd_reset_port(usbd_device_handle, int, usb_port_status_t *);
274 usbd_status usbd_setup_pipe(usbd_device_handle dev,
275 usbd_interface_handle iface,
276 struct usbd_endpoint *, int,
277 usbd_pipe_handle *pipe);
278 usbd_status usbd_new_device(device_ptr_t, usbd_bus_handle, int, int, int,
279 struct usbd_port *);
280 void usbd_remove_device(usbd_device_handle, struct usbd_port *);
281 int usbd_printBCD(char *, size_t, int);
282 usbd_status usbd_fill_iface_data(usbd_device_handle, int, int);
283 void usb_free_device(usbd_device_handle);
284
285 int usbd_xfer_isread(usbd_xfer_handle);
286 usbd_status usb_insert_transfer(usbd_xfer_handle);
287 void usb_transfer_complete(usbd_xfer_handle);
288 void usb_disconnect_port(struct usbd_port *, device_ptr_t);
289
290 /* Routines from usb.c */
291 void usb_needs_explore(usbd_device_handle);
292 void usb_needs_reattach(usbd_device_handle);
293 void usb_schedsoftintr(struct usbd_bus *);
294
295 /*
296 * XXX This check is extremely bogus. Bad Bad Bad.
297 */
298 #if defined(DIAGNOSTIC) && 0
299 #define SPLUSBCHECK \
300 do { int _s = splusb(), _su = splusb(); \
301 if (!cold && _s != _su) printf("SPLUSBCHECK failed 0x%x!=0x%x, %s:%d\n", \
302 _s, _su, __FILE__, __LINE__); \
303 splx(_s); \
304 } while (0)
305 #else
306 #define SPLUSBCHECK
307 #endif
308
309 /* Locator stuff. */
310
311 #if defined(__NetBSD__)
312 #include "locators.h"
313 #elif defined(__FreeBSD__) || defined(__OpenBSD__)
314 /* XXX these values are used to statically bind some elements in the USB tree
315 * to specific driver instances. This should be somehow emulated in FreeBSD
316 * but can be done later on.
317 * The values are copied from the files.usb file in the NetBSD sources.
318 */
319 #define UHUBCF_PORT_DEFAULT -1
320 #define UHUBCF_CONFIGURATION_DEFAULT -1
321 #define UHUBCF_INTERFACE_DEFAULT -1
322 #define UHUBCF_VENDOR_DEFAULT -1
323 #define UHUBCF_PRODUCT_DEFAULT -1
324 #define UHUBCF_RELEASE_DEFAULT -1
325 #endif
326
327 #if defined (__OpenBSD__)
328 #define UHUBCF_PORT 0
329 #define UHUBCF_CONFIGURATION 1
330 #define UHUBCF_INTERFACE 2
331 #define UHUBCF_VENDOR 3
332 #define UHUBCF_PRODUCT 4
333 #define UHUBCF_RELEASE 5
334 #endif
335
336 #define uhubcf_port cf_loc[USBDEVIFCF_PORT]
337 #define uhubcf_configuration cf_loc[USBDEVIFCF_CONFIGURATION]
338 #define uhubcf_interface cf_loc[USBDEVIFCF_INTERFACE]
339 #define uhubcf_vendor cf_loc[USBDEVIFCF_VENDOR]
340 #define uhubcf_product cf_loc[USBDEVIFCF_PRODUCT]
341 #define uhubcf_release cf_loc[USBDEVIFCF_RELEASE]
342 #define UHUB_UNK_PORT USBDEVIFCF_PORT_DEFAULT /* wildcarded 'port' */
343 #define UHUB_UNK_CONFIGURATION USBDEVIFCF_CONFIGURATION_DEFAULT /* wildcarded 'configuration' */
344 #define UHUB_UNK_INTERFACE USBDEVIFCF_INTERFACE_DEFAULT /* wildcarded 'interface' */
345 #define UHUB_UNK_VENDOR USBDEVIFCF_VENDOR_DEFAULT /* wildcarded 'vendor' */
346 #define UHUB_UNK_PRODUCT USBDEVIFCF_PRODUCT_DEFAULT /* wildcarded 'product' */
347 #define UHUB_UNK_RELEASE USBDEVIFCF_RELEASE_DEFAULT /* wildcarded 'release' */
348
349