usbdivar.h revision 1.80.12.5 1 /* $NetBSD: usbdivar.h,v 1.80.12.5 2009/11/12 08:17:31 uebayasi 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 /* XXX API change */
71 #if 0
72 usbd_status (*allocm)(struct usbd_bus *, usb_dma_t *,
73 u_int32_t bufsize);
74 void (*freem)(struct usbd_bus *, usb_dma_t *);
75 #else
76 usbd_status (*allocm)(struct usbd_bus *, usbd_xfer_handle,
77 void *, size_t);
78 void (*freem)(struct usbd_bus *, usbd_xfer_handle,
79 enum usbd_waitflg);
80 #endif
81 /* XXX API change */
82 #if 0
83 struct usbd_xfer * (*allocx)(struct usbd_bus *);
84 #else
85 struct usbd_xfer * (*allocx)(struct usbd_bus *, usbd_pipe_handle,
86 enum usbd_waitflg);
87 #endif
88 void (*freex)(struct usbd_bus *, struct usbd_xfer *);
89 usbd_status (*map_alloc)(usbd_xfer_handle);
90 void (*map_free)(usbd_xfer_handle);
91 void (*mapm)(usbd_xfer_handle, void *, size_t);
92 /* XXXUEBAYASI should not belong here */
93 usbd_status (*mapm_mbuf)(usbd_xfer_handle, struct mbuf *);
94 void (*unmapm)(usbd_xfer_handle);
95 };
96
97 struct usbd_pipe_methods {
98 usbd_status (*transfer)(usbd_xfer_handle xfer);
99 usbd_status (*start)(usbd_xfer_handle xfer);
100 void (*abort)(usbd_xfer_handle xfer);
101 void (*close)(usbd_pipe_handle pipe);
102 void (*cleartoggle)(usbd_pipe_handle pipe);
103 void (*done)(usbd_xfer_handle xfer);
104 };
105
106 struct usbd_tt {
107 struct usbd_hub *hub;
108 };
109
110 struct usbd_port {
111 usb_port_status_t status;
112 u_int16_t power; /* mA of current on port */
113 u_int8_t portno;
114 u_int8_t restartcnt;
115 #define USBD_RESTART_MAX 5
116 u_int8_t reattach;
117 struct usbd_device *device; /* Connected device */
118 struct usbd_device *parent; /* The ports hub */
119 struct usbd_tt *tt; /* Transaction translator (if any) */
120 };
121
122 struct usbd_hub {
123 usbd_status (*explore)(usbd_device_handle hub);
124 void *hubsoftc;
125 usb_hub_descriptor_t hubdesc;
126 struct usbd_port ports[1];
127 };
128
129 struct usb_softc;
130
131 /*****/
132
133 struct usbd_bus {
134 /* Filled by HC driver */
135 USBBASEDEVICE bdev; /* base device, host adapter */
136 const struct usbd_bus_methods *methods;
137 u_int32_t pipe_size; /* size of a pipe struct */
138 /* Filled by usb driver */
139 struct usbd_device *root_hub;
140 usbd_device_handle devices[USB_MAX_DEVICES];
141 char needs_explore;/* a hub a signalled a change */
142 char use_polling;
143 struct usb_softc *usbctl;
144 struct usb_device_stats stats;
145 int intr_context;
146 u_int no_intrs;
147 int usbrev; /* USB revision */
148 #define USBREV_UNKNOWN 0
149 #define USBREV_PRE_1_0 1
150 #define USBREV_1_0 2
151 #define USBREV_1_1 3
152 #define USBREV_2_0 4
153 #define USBREV_STR { "unknown", "pre 1.0", "1.0", "1.1", "2.0" }
154
155 #ifdef USB_USE_SOFTINTR
156 #ifdef __HAVE_GENERIC_SOFT_INTERRUPTS
157 void *soft; /* soft interrupt cookie */
158 #else
159 struct callout softi;
160 #endif
161 #endif
162 };
163
164 struct usbd_device {
165 struct usbd_bus *bus; /* our controller */
166 struct usbd_pipe *default_pipe; /* pipe 0 */
167 u_int8_t address; /* device addess */
168 u_int8_t config; /* current configuration # */
169 u_int8_t depth; /* distance from root hub */
170 u_int8_t speed; /* low/full/high speed */
171 u_int8_t self_powered; /* flag for self powered */
172 u_int16_t power; /* mA the device uses */
173 int16_t langid; /* language for strings */
174 #define USBD_NOLANG (-1)
175 usb_event_cookie_t cookie; /* unique connection id */
176 struct usbd_port *powersrc; /* upstream hub port, or 0 */
177 struct usbd_device *myhub; /* upstream hub */
178 struct usbd_port *myhsport; /* closest high speed port */
179 struct usbd_endpoint def_ep; /* for pipe 0 */
180 usb_endpoint_descriptor_t def_ep_desc; /* for pipe 0 */
181 struct usbd_interface *ifaces; /* array of all interfaces */
182 usb_device_descriptor_t ddesc; /* device descriptor */
183 usb_config_descriptor_t *cdesc; /* full config descr */
184 const struct usbd_quirks *quirks; /* device quirks, always set */
185 struct usbd_hub *hub; /* only if this is a hub */
186 device_ptr_t *subdevs; /* sub-devices, 0 terminated */
187 uint8_t *ifacenums; /* sub-device interfacenumbers */
188 };
189
190 struct usbd_interface {
191 struct usbd_device *device;
192 usb_interface_descriptor_t *idesc;
193 int index;
194 int altindex;
195 struct usbd_endpoint *endpoints;
196 void *priv;
197 LIST_HEAD(, usbd_pipe) pipes;
198 };
199
200 struct usbd_pipe {
201 struct usbd_interface *iface;
202 struct usbd_device *device;
203 struct usbd_endpoint *endpoint;
204 int refcnt;
205 char running;
206 char aborting;
207 SIMPLEQ_HEAD(, usbd_xfer) queue;
208 LIST_ENTRY(usbd_pipe) next;
209
210 usbd_xfer_handle intrxfer; /* used for repeating requests */
211 char repeat;
212 int interval;
213
214 /* Filled by HC driver. */
215 const struct usbd_pipe_methods *methods;
216 };
217
218 struct usbd_xfer {
219 struct usbd_pipe *pipe;
220 void *priv;
221 void *buffer;
222 u_int32_t length;
223 u_int32_t actlen;
224 u_int16_t flags;
225 u_int32_t timeout;
226 usbd_status status;
227 usbd_callback callback;
228 volatile u_int8_t done;
229 #define XFER_DONE_BOTTOM 1
230 #define XFER_DONE_TOP 2
231 u_int8_t busy_free; /* used for DIAGNOSTIC */
232 #define XFER_FREE 0x46
233 #define XFER_BUSY 0x55
234 #define XFER_ONQU 0x9e
235
236 /* For control pipe */
237 usb_device_request_t request;
238
239 /* For isoc */
240 u_int16_t *frlengths;
241 int nframes;
242
243 /* For memory allocation */
244 struct usbd_device *device;
245 void *hcbuffer; /* buffer for HCI driver */
246 struct mbuf *mbuf_chain;
247
248 size_t bufsize;
249
250 u_int16_t rqflags;
251 #define URQ_REQUEST 0x0001 /* xfer->request valid */
252 #define URQ_AUTO_BUF 0x0010 /* automatically allocated buffer */
253 #define URQ_DEV_BUF 0x0020 /* driver requested to allocate buffer*/
254 #define URQ_DEV_MAP_PREPARED 0x0040 /* driver requested to prepare map */
255 #define URQ_DEV_MAP_BUFFER 0x0080 /* driver requested to map buffer */
256 #define URQ_DEV_MAP_MBUF 0x0100 /* driver requested to map mbuf */
257
258 #define URQ_MASK_DRV_REQUESTED_BUF \
259 (URQ_DEV_BUF | URQ_DEV_MAP_BUFFER | URQ_DEV_MAP_MBUF)
260 #define URQ_MASK_BUF (URQ_MASK_DRV_REQUESTED_BUF | URQ_AUTO_BUF)
261
262 SIMPLEQ_ENTRY(usbd_xfer) next;
263
264 void *hcpriv; /* private use by the HC driver */
265 u_int8_t hcflags; /* private use by the HC driver */
266 #define UXFER_ABORTING 0x01 /* xfer is aborting. */
267 #define UXFER_ABORTWAIT 0x02 /* abort completion is being awaited. */
268
269 usb_callout_t timeout_handle;
270 struct usb_task task;
271 };
272
273 void usbd_init(void);
274 void usbd_finish(void);
275
276 #ifdef USB_DEBUG
277 void usbd_dump_iface(struct usbd_interface *iface);
278 void usbd_dump_device(struct usbd_device *dev);
279 void usbd_dump_endpoint(struct usbd_endpoint *endp);
280 void usbd_dump_queue(usbd_pipe_handle pipe);
281 void usbd_dump_pipe(usbd_pipe_handle pipe);
282 #endif
283
284 /* Routines from usb_subr.c */
285 int usbctlprint(void *, const char *);
286 void usb_delay_ms(usbd_bus_handle, u_int);
287 usbd_status usbd_reset_port(usbd_device_handle, int, usb_port_status_t *);
288 usbd_status usbd_setup_pipe(usbd_device_handle dev,
289 usbd_interface_handle iface,
290 struct usbd_endpoint *, int,
291 usbd_pipe_handle *pipe);
292 usbd_status usbd_new_device(device_ptr_t, usbd_bus_handle, int, int, int,
293 struct usbd_port *);
294 void usbd_remove_device(usbd_device_handle, struct usbd_port *);
295 int usbd_printBCD(char *, size_t, int);
296 usbd_status usbd_fill_iface_data(usbd_device_handle, int, int);
297 void usb_free_device(usbd_device_handle);
298
299 int usbd_xfer_isread(usbd_xfer_handle);
300 usbd_status usb_insert_transfer(usbd_xfer_handle);
301 void usb_transfer_complete(usbd_xfer_handle);
302 void usb_disconnect_port(struct usbd_port *, device_ptr_t);
303
304 /* Routines from usb.c */
305 void usb_needs_explore(usbd_device_handle);
306 void usb_needs_reattach(usbd_device_handle);
307 void usb_schedsoftintr(struct usbd_bus *);
308
309 /*
310 * XXX This check is extremely bogus. Bad Bad Bad.
311 */
312 #if defined(DIAGNOSTIC) && 0
313 #define SPLUSBCHECK \
314 do { int _s = splusb(), _su = splusb(); \
315 if (!cold && _s != _su) printf("SPLUSBCHECK failed 0x%x!=0x%x, %s:%d\n", \
316 _s, _su, __FILE__, __LINE__); \
317 splx(_s); \
318 } while (0)
319 #else
320 #define SPLUSBCHECK
321 #endif
322
323 /* Locator stuff. */
324
325 #if defined(__NetBSD__)
326 #include "locators.h"
327 #elif defined(__FreeBSD__) || defined(__OpenBSD__)
328 /* XXX these values are used to statically bind some elements in the USB tree
329 * to specific driver instances. This should be somehow emulated in FreeBSD
330 * but can be done later on.
331 * The values are copied from the files.usb file in the NetBSD sources.
332 */
333 #define UHUBCF_PORT_DEFAULT -1
334 #define UHUBCF_CONFIGURATION_DEFAULT -1
335 #define UHUBCF_INTERFACE_DEFAULT -1
336 #define UHUBCF_VENDOR_DEFAULT -1
337 #define UHUBCF_PRODUCT_DEFAULT -1
338 #define UHUBCF_RELEASE_DEFAULT -1
339 #endif
340
341 #if defined (__OpenBSD__)
342 #define UHUBCF_PORT 0
343 #define UHUBCF_CONFIGURATION 1
344 #define UHUBCF_INTERFACE 2
345 #define UHUBCF_VENDOR 3
346 #define UHUBCF_PRODUCT 4
347 #define UHUBCF_RELEASE 5
348 #endif
349
350 #define uhubcf_port cf_loc[USBDEVIFCF_PORT]
351 #define uhubcf_configuration cf_loc[USBDEVIFCF_CONFIGURATION]
352 #define uhubcf_interface cf_loc[USBDEVIFCF_INTERFACE]
353 #define uhubcf_vendor cf_loc[USBDEVIFCF_VENDOR]
354 #define uhubcf_product cf_loc[USBDEVIFCF_PRODUCT]
355 #define uhubcf_release cf_loc[USBDEVIFCF_RELEASE]
356 #define UHUB_UNK_PORT USBDEVIFCF_PORT_DEFAULT /* wildcarded 'port' */
357 #define UHUB_UNK_CONFIGURATION USBDEVIFCF_CONFIGURATION_DEFAULT /* wildcarded 'configuration' */
358 #define UHUB_UNK_INTERFACE USBDEVIFCF_INTERFACE_DEFAULT /* wildcarded 'interface' */
359 #define UHUB_UNK_VENDOR USBDEVIFCF_VENDOR_DEFAULT /* wildcarded 'vendor' */
360 #define UHUB_UNK_PRODUCT USBDEVIFCF_PRODUCT_DEFAULT /* wildcarded 'product' */
361 #define UHUB_UNK_RELEASE USBDEVIFCF_RELEASE_DEFAULT /* wildcarded 'release' */
362
363