usbdivar.h revision 1.83 1 /* $NetBSD: usbdivar.h,v 1.83 2008/03/28 17:14:46 drochner Exp $ */
2 /* $FreeBSD: src/sys/dev/usb/usbdivar.h,v 1.11 1999/11/17 22:33:51 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 * 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 /* From usb_mem.h */
46 DECLARE_USB_DMA_T;
47
48 struct usbd_xfer;
49 struct usbd_pipe;
50
51 struct usbd_endpoint {
52 usb_endpoint_descriptor_t *edesc;
53 int refcnt;
54 };
55
56 struct usbd_bus_methods {
57 usbd_status (*open_pipe)(struct usbd_pipe *pipe);
58 void (*soft_intr)(void *);
59 void (*do_poll)(struct usbd_bus *);
60 usbd_status (*allocm)(struct usbd_bus *, usb_dma_t *,
61 u_int32_t bufsize);
62 void (*freem)(struct usbd_bus *, usb_dma_t *);
63 struct usbd_xfer * (*allocx)(struct usbd_bus *);
64 void (*freex)(struct usbd_bus *, struct usbd_xfer *);
65 };
66
67 struct usbd_pipe_methods {
68 usbd_status (*transfer)(usbd_xfer_handle xfer);
69 usbd_status (*start)(usbd_xfer_handle xfer);
70 void (*abort)(usbd_xfer_handle xfer);
71 void (*close)(usbd_pipe_handle pipe);
72 void (*cleartoggle)(usbd_pipe_handle pipe);
73 void (*done)(usbd_xfer_handle xfer);
74 };
75
76 #if 0 /* notyet */
77 struct usbd_tt {
78 struct usbd_hub *hub;
79 };
80 #endif
81
82 struct usbd_port {
83 usb_port_status_t status;
84 u_int16_t power; /* mA of current on port */
85 u_int8_t portno;
86 u_int8_t restartcnt;
87 #define USBD_RESTART_MAX 5
88 u_int8_t reattach;
89 struct usbd_device *device; /* Connected device */
90 struct usbd_device *parent; /* The ports hub */
91 #if 0
92 struct usbd_tt *tt; /* Transaction translator (if any) */
93 #endif
94 };
95
96 struct usbd_hub {
97 usbd_status (*explore)(usbd_device_handle hub);
98 void *hubsoftc;
99 usb_hub_descriptor_t hubdesc;
100 struct usbd_port ports[1];
101 };
102
103 /*****/
104
105 struct usbd_bus {
106 /* Filled by HC driver */
107 void *hci_private;
108 const struct usbd_bus_methods *methods;
109 u_int32_t pipe_size; /* size of a pipe struct */
110 /* Filled by usb driver */
111 struct usbd_device *root_hub;
112 usbd_device_handle devices[USB_MAX_DEVICES];
113 char needs_explore;/* a hub a signalled a change */
114 char use_polling;
115 device_t usbctl;
116 struct usb_device_stats stats;
117 int intr_context;
118 u_int no_intrs;
119 int usbrev; /* USB revision */
120 #define USBREV_UNKNOWN 0
121 #define USBREV_PRE_1_0 1
122 #define USBREV_1_0 2
123 #define USBREV_1_1 3
124 #define USBREV_2_0 4
125 #define USBREV_STR { "unknown", "pre 1.0", "1.0", "1.1", "2.0" }
126
127 void *soft; /* soft interrupt cookie */
128 #if defined(__NetBSD__) || defined(__OpenBSD__)
129 bus_dma_tag_t dmatag; /* DMA tag */
130 #endif
131 };
132
133 struct usbd_device {
134 struct usbd_bus *bus; /* our controller */
135 struct usbd_pipe *default_pipe; /* pipe 0 */
136 u_int8_t address; /* device addess */
137 u_int8_t config; /* current configuration # */
138 u_int8_t depth; /* distance from root hub */
139 u_int8_t speed; /* low/full/high speed */
140 u_int8_t self_powered; /* flag for self powered */
141 u_int16_t power; /* mA the device uses */
142 int16_t langid; /* language for strings */
143 #define USBD_NOLANG (-1)
144 usb_event_cookie_t cookie; /* unique connection id */
145 struct usbd_port *powersrc; /* upstream hub port, or 0 */
146 struct usbd_device *myhub; /* upstream hub */
147 struct usbd_port *myhsport; /* closest high speed port */
148 struct usbd_endpoint def_ep; /* for pipe 0 */
149 usb_endpoint_descriptor_t def_ep_desc; /* for pipe 0 */
150 struct usbd_interface *ifaces; /* array of all interfaces */
151 usb_device_descriptor_t ddesc; /* device descriptor */
152 usb_config_descriptor_t *cdesc; /* full config descr */
153 const struct usbd_quirks *quirks; /* device quirks, always set */
154 struct usbd_hub *hub; /* only if this is a hub */
155 device_t *subdevs; /* sub-devices, 0 terminated */
156 };
157
158 struct usbd_interface {
159 struct usbd_device *device;
160 usb_interface_descriptor_t *idesc;
161 int index;
162 int altindex;
163 struct usbd_endpoint *endpoints;
164 void *priv;
165 LIST_HEAD(, usbd_pipe) pipes;
166 };
167
168 struct usbd_pipe {
169 struct usbd_interface *iface;
170 struct usbd_device *device;
171 struct usbd_endpoint *endpoint;
172 int refcnt;
173 char running;
174 char aborting;
175 SIMPLEQ_HEAD(, usbd_xfer) queue;
176 LIST_ENTRY(usbd_pipe) next;
177
178 usbd_xfer_handle intrxfer; /* used for repeating requests */
179 char repeat;
180 int interval;
181
182 /* Filled by HC driver. */
183 const struct usbd_pipe_methods *methods;
184 };
185
186 struct usbd_xfer {
187 struct usbd_pipe *pipe;
188 void *priv;
189 void *buffer;
190 u_int32_t length;
191 u_int32_t actlen;
192 u_int16_t flags;
193 u_int32_t timeout;
194 usbd_status status;
195 usbd_callback callback;
196 volatile u_int8_t done;
197 u_int8_t busy_free; /* used for DIAGNOSTIC */
198 #define XFER_FREE 0x46
199 #define XFER_BUSY 0x55
200 #define XFER_ONQU 0x9e
201
202 /* For control pipe */
203 usb_device_request_t request;
204
205 /* For isoc */
206 u_int16_t *frlengths;
207 int nframes;
208
209 /* For memory allocation */
210 struct usbd_device *device;
211 usb_dma_t dmabuf;
212
213 u_int8_t rqflags;
214 #define URQ_REQUEST 0x01
215 #define URQ_AUTO_DMABUF 0x10
216 #define URQ_DEV_DMABUF 0x20
217
218 SIMPLEQ_ENTRY(usbd_xfer) next;
219
220 void *hcpriv; /* private use by the HC driver */
221 u_int8_t hcflags; /* private use by the HC driver */
222 #define UXFER_ABORTING 0x01 /* xfer is aborting. */
223 #define UXFER_ABORTWAIT 0x02 /* abort completion is being awaited. */
224
225 usb_callout_t timeout_handle;
226 };
227
228 void usbd_init(void);
229 void usbd_finish(void);
230
231 #ifdef USB_DEBUG
232 void usbd_dump_iface(struct usbd_interface *iface);
233 void usbd_dump_device(struct usbd_device *dev);
234 void usbd_dump_endpoint(struct usbd_endpoint *endp);
235 void usbd_dump_queue(usbd_pipe_handle pipe);
236 void usbd_dump_pipe(usbd_pipe_handle pipe);
237 #endif
238
239 /* Routines from usb_subr.c */
240 int usbctlprint(void *, const char *);
241 void usb_delay_ms(usbd_bus_handle, u_int);
242 usbd_status usbd_reset_port(usbd_device_handle, int, usb_port_status_t *);
243 usbd_status usbd_setup_pipe(usbd_device_handle dev,
244 usbd_interface_handle iface,
245 struct usbd_endpoint *, int,
246 usbd_pipe_handle *pipe);
247 usbd_status usbd_new_device(device_ptr_t, usbd_bus_handle, int, int, int,
248 struct usbd_port *);
249 void usbd_remove_device(usbd_device_handle, struct usbd_port *);
250 int usbd_printBCD(char *, size_t, int);
251 usbd_status usbd_fill_iface_data(usbd_device_handle, int, int);
252 void usb_free_device(usbd_device_handle);
253
254 usbd_status usb_insert_transfer(usbd_xfer_handle);
255 void usb_transfer_complete(usbd_xfer_handle);
256 void usb_disconnect_port(struct usbd_port *, device_ptr_t);
257
258 /* Routines from usb.c */
259 void usb_needs_explore(usbd_device_handle);
260 void usb_needs_reattach(usbd_device_handle);
261 void usb_schedsoftintr(struct usbd_bus *);
262
263 /*
264 * XXX This check is extremely bogus. Bad Bad Bad.
265 */
266 #if defined(DIAGNOSTIC) && 0
267 #define SPLUSBCHECK \
268 do { int _s = splusb(), _su = splusb(); \
269 if (!cold && _s != _su) printf("SPLUSBCHECK failed 0x%x!=0x%x, %s:%d\n", \
270 _s, _su, __FILE__, __LINE__); \
271 splx(_s); \
272 } while (0)
273 #else
274 #define SPLUSBCHECK
275 #endif
276
277 /* Locator stuff. */
278
279 #if defined(__NetBSD__)
280 #include "locators.h"
281 #elif defined(__FreeBSD__) || defined(__OpenBSD__)
282 /* XXX these values are used to statically bind some elements in the USB tree
283 * to specific driver instances. This should be somehow emulated in FreeBSD
284 * but can be done later on.
285 * The values are copied from the files.usb file in the NetBSD sources.
286 */
287 #define UHUBCF_PORT_DEFAULT -1
288 #define UHUBCF_CONFIGURATION_DEFAULT -1
289 #define UHUBCF_INTERFACE_DEFAULT -1
290 #define UHUBCF_VENDOR_DEFAULT -1
291 #define UHUBCF_PRODUCT_DEFAULT -1
292 #define UHUBCF_RELEASE_DEFAULT -1
293 #endif
294
295 #if defined (__OpenBSD__)
296 #define UHUBCF_PORT 0
297 #define UHUBCF_CONFIGURATION 1
298 #define UHUBCF_INTERFACE 2
299 #define UHUBCF_VENDOR 3
300 #define UHUBCF_PRODUCT 4
301 #define UHUBCF_RELEASE 5
302 #endif
303
304 #define uhubcf_port cf_loc[USBDEVIFCF_PORT]
305 #define uhubcf_configuration cf_loc[USBDEVIFCF_CONFIGURATION]
306 #define uhubcf_interface cf_loc[USBDEVIFCF_INTERFACE]
307 #define uhubcf_vendor cf_loc[USBDEVIFCF_VENDOR]
308 #define uhubcf_product cf_loc[USBDEVIFCF_PRODUCT]
309 #define uhubcf_release cf_loc[USBDEVIFCF_RELEASE]
310 #define UHUB_UNK_PORT USBDEVIFCF_PORT_DEFAULT /* wildcarded 'port' */
311 #define UHUB_UNK_CONFIGURATION USBDEVIFCF_CONFIGURATION_DEFAULT /* wildcarded 'configuration' */
312 #define UHUB_UNK_INTERFACE USBDEVIFCF_INTERFACE_DEFAULT /* wildcarded 'interface' */
313 #define UHUB_UNK_VENDOR USBDEVIFCF_VENDOR_DEFAULT /* wildcarded 'vendor' */
314 #define UHUB_UNK_PRODUCT USBDEVIFCF_PRODUCT_DEFAULT /* wildcarded 'product' */
315 #define UHUB_UNK_RELEASE USBDEVIFCF_RELEASE_DEFAULT /* wildcarded 'release' */
316
317