usbdivar.h revision 1.84 1 /* $NetBSD: usbdivar.h,v 1.84 2008/04/28 20:24:01 martin 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 *
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 #if defined(__NetBSD__)
35 #include <sys/callout.h>
36 #endif
37
38 /* From usb_mem.h */
39 DECLARE_USB_DMA_T;
40
41 struct usbd_xfer;
42 struct usbd_pipe;
43
44 struct usbd_endpoint {
45 usb_endpoint_descriptor_t *edesc;
46 int refcnt;
47 };
48
49 struct usbd_bus_methods {
50 usbd_status (*open_pipe)(struct usbd_pipe *pipe);
51 void (*soft_intr)(void *);
52 void (*do_poll)(struct usbd_bus *);
53 usbd_status (*allocm)(struct usbd_bus *, usb_dma_t *,
54 u_int32_t bufsize);
55 void (*freem)(struct usbd_bus *, usb_dma_t *);
56 struct usbd_xfer * (*allocx)(struct usbd_bus *);
57 void (*freex)(struct usbd_bus *, struct usbd_xfer *);
58 };
59
60 struct usbd_pipe_methods {
61 usbd_status (*transfer)(usbd_xfer_handle xfer);
62 usbd_status (*start)(usbd_xfer_handle xfer);
63 void (*abort)(usbd_xfer_handle xfer);
64 void (*close)(usbd_pipe_handle pipe);
65 void (*cleartoggle)(usbd_pipe_handle pipe);
66 void (*done)(usbd_xfer_handle xfer);
67 };
68
69 #if 0 /* notyet */
70 struct usbd_tt {
71 struct usbd_hub *hub;
72 };
73 #endif
74
75 struct usbd_port {
76 usb_port_status_t status;
77 u_int16_t power; /* mA of current on port */
78 u_int8_t portno;
79 u_int8_t restartcnt;
80 #define USBD_RESTART_MAX 5
81 u_int8_t reattach;
82 struct usbd_device *device; /* Connected device */
83 struct usbd_device *parent; /* The ports hub */
84 #if 0
85 struct usbd_tt *tt; /* Transaction translator (if any) */
86 #endif
87 };
88
89 struct usbd_hub {
90 usbd_status (*explore)(usbd_device_handle hub);
91 void *hubsoftc;
92 usb_hub_descriptor_t hubdesc;
93 struct usbd_port ports[1];
94 };
95
96 /*****/
97
98 struct usbd_bus {
99 /* Filled by HC driver */
100 void *hci_private;
101 const struct usbd_bus_methods *methods;
102 u_int32_t pipe_size; /* size of a pipe struct */
103 /* Filled by usb driver */
104 struct usbd_device *root_hub;
105 usbd_device_handle devices[USB_MAX_DEVICES];
106 char needs_explore;/* a hub a signalled a change */
107 char use_polling;
108 device_t usbctl;
109 struct usb_device_stats stats;
110 int intr_context;
111 u_int no_intrs;
112 int usbrev; /* USB revision */
113 #define USBREV_UNKNOWN 0
114 #define USBREV_PRE_1_0 1
115 #define USBREV_1_0 2
116 #define USBREV_1_1 3
117 #define USBREV_2_0 4
118 #define USBREV_STR { "unknown", "pre 1.0", "1.0", "1.1", "2.0" }
119
120 void *soft; /* soft interrupt cookie */
121 #if defined(__NetBSD__) || defined(__OpenBSD__)
122 bus_dma_tag_t dmatag; /* DMA tag */
123 #endif
124 };
125
126 struct usbd_device {
127 struct usbd_bus *bus; /* our controller */
128 struct usbd_pipe *default_pipe; /* pipe 0 */
129 u_int8_t address; /* device addess */
130 u_int8_t config; /* current configuration # */
131 u_int8_t depth; /* distance from root hub */
132 u_int8_t speed; /* low/full/high speed */
133 u_int8_t self_powered; /* flag for self powered */
134 u_int16_t power; /* mA the device uses */
135 int16_t langid; /* language for strings */
136 #define USBD_NOLANG (-1)
137 usb_event_cookie_t cookie; /* unique connection id */
138 struct usbd_port *powersrc; /* upstream hub port, or 0 */
139 struct usbd_device *myhub; /* upstream hub */
140 struct usbd_port *myhsport; /* closest high speed port */
141 struct usbd_endpoint def_ep; /* for pipe 0 */
142 usb_endpoint_descriptor_t def_ep_desc; /* for pipe 0 */
143 struct usbd_interface *ifaces; /* array of all interfaces */
144 usb_device_descriptor_t ddesc; /* device descriptor */
145 usb_config_descriptor_t *cdesc; /* full config descr */
146 const struct usbd_quirks *quirks; /* device quirks, always set */
147 struct usbd_hub *hub; /* only if this is a hub */
148 device_t *subdevs; /* sub-devices, 0 terminated */
149 };
150
151 struct usbd_interface {
152 struct usbd_device *device;
153 usb_interface_descriptor_t *idesc;
154 int index;
155 int altindex;
156 struct usbd_endpoint *endpoints;
157 void *priv;
158 LIST_HEAD(, usbd_pipe) pipes;
159 };
160
161 struct usbd_pipe {
162 struct usbd_interface *iface;
163 struct usbd_device *device;
164 struct usbd_endpoint *endpoint;
165 int refcnt;
166 char running;
167 char aborting;
168 SIMPLEQ_HEAD(, usbd_xfer) queue;
169 LIST_ENTRY(usbd_pipe) next;
170
171 usbd_xfer_handle intrxfer; /* used for repeating requests */
172 char repeat;
173 int interval;
174
175 /* Filled by HC driver. */
176 const struct usbd_pipe_methods *methods;
177 };
178
179 struct usbd_xfer {
180 struct usbd_pipe *pipe;
181 void *priv;
182 void *buffer;
183 u_int32_t length;
184 u_int32_t actlen;
185 u_int16_t flags;
186 u_int32_t timeout;
187 usbd_status status;
188 usbd_callback callback;
189 volatile u_int8_t done;
190 u_int8_t busy_free; /* used for DIAGNOSTIC */
191 #define XFER_FREE 0x46
192 #define XFER_BUSY 0x55
193 #define XFER_ONQU 0x9e
194
195 /* For control pipe */
196 usb_device_request_t request;
197
198 /* For isoc */
199 u_int16_t *frlengths;
200 int nframes;
201
202 /* For memory allocation */
203 struct usbd_device *device;
204 usb_dma_t dmabuf;
205
206 u_int8_t rqflags;
207 #define URQ_REQUEST 0x01
208 #define URQ_AUTO_DMABUF 0x10
209 #define URQ_DEV_DMABUF 0x20
210
211 SIMPLEQ_ENTRY(usbd_xfer) next;
212
213 void *hcpriv; /* private use by the HC driver */
214 u_int8_t hcflags; /* private use by the HC driver */
215 #define UXFER_ABORTING 0x01 /* xfer is aborting. */
216 #define UXFER_ABORTWAIT 0x02 /* abort completion is being awaited. */
217
218 usb_callout_t timeout_handle;
219 };
220
221 void usbd_init(void);
222 void usbd_finish(void);
223
224 #ifdef USB_DEBUG
225 void usbd_dump_iface(struct usbd_interface *iface);
226 void usbd_dump_device(struct usbd_device *dev);
227 void usbd_dump_endpoint(struct usbd_endpoint *endp);
228 void usbd_dump_queue(usbd_pipe_handle pipe);
229 void usbd_dump_pipe(usbd_pipe_handle pipe);
230 #endif
231
232 /* Routines from usb_subr.c */
233 int usbctlprint(void *, const char *);
234 void usb_delay_ms(usbd_bus_handle, u_int);
235 usbd_status usbd_reset_port(usbd_device_handle, int, usb_port_status_t *);
236 usbd_status usbd_setup_pipe(usbd_device_handle dev,
237 usbd_interface_handle iface,
238 struct usbd_endpoint *, int,
239 usbd_pipe_handle *pipe);
240 usbd_status usbd_new_device(device_ptr_t, usbd_bus_handle, int, int, int,
241 struct usbd_port *);
242 void usbd_remove_device(usbd_device_handle, struct usbd_port *);
243 int usbd_printBCD(char *, size_t, int);
244 usbd_status usbd_fill_iface_data(usbd_device_handle, int, int);
245 void usb_free_device(usbd_device_handle);
246
247 usbd_status usb_insert_transfer(usbd_xfer_handle);
248 void usb_transfer_complete(usbd_xfer_handle);
249 void usb_disconnect_port(struct usbd_port *, device_ptr_t);
250
251 /* Routines from usb.c */
252 void usb_needs_explore(usbd_device_handle);
253 void usb_needs_reattach(usbd_device_handle);
254 void usb_schedsoftintr(struct usbd_bus *);
255
256 /*
257 * XXX This check is extremely bogus. Bad Bad Bad.
258 */
259 #if defined(DIAGNOSTIC) && 0
260 #define SPLUSBCHECK \
261 do { int _s = splusb(), _su = splusb(); \
262 if (!cold && _s != _su) printf("SPLUSBCHECK failed 0x%x!=0x%x, %s:%d\n", \
263 _s, _su, __FILE__, __LINE__); \
264 splx(_s); \
265 } while (0)
266 #else
267 #define SPLUSBCHECK
268 #endif
269
270 /* Locator stuff. */
271
272 #if defined(__NetBSD__)
273 #include "locators.h"
274 #elif defined(__FreeBSD__) || defined(__OpenBSD__)
275 /* XXX these values are used to statically bind some elements in the USB tree
276 * to specific driver instances. This should be somehow emulated in FreeBSD
277 * but can be done later on.
278 * The values are copied from the files.usb file in the NetBSD sources.
279 */
280 #define UHUBCF_PORT_DEFAULT -1
281 #define UHUBCF_CONFIGURATION_DEFAULT -1
282 #define UHUBCF_INTERFACE_DEFAULT -1
283 #define UHUBCF_VENDOR_DEFAULT -1
284 #define UHUBCF_PRODUCT_DEFAULT -1
285 #define UHUBCF_RELEASE_DEFAULT -1
286 #endif
287
288 #if defined (__OpenBSD__)
289 #define UHUBCF_PORT 0
290 #define UHUBCF_CONFIGURATION 1
291 #define UHUBCF_INTERFACE 2
292 #define UHUBCF_VENDOR 3
293 #define UHUBCF_PRODUCT 4
294 #define UHUBCF_RELEASE 5
295 #endif
296
297 #define uhubcf_port cf_loc[USBDEVIFCF_PORT]
298 #define uhubcf_configuration cf_loc[USBDEVIFCF_CONFIGURATION]
299 #define uhubcf_interface cf_loc[USBDEVIFCF_INTERFACE]
300 #define uhubcf_vendor cf_loc[USBDEVIFCF_VENDOR]
301 #define uhubcf_product cf_loc[USBDEVIFCF_PRODUCT]
302 #define uhubcf_release cf_loc[USBDEVIFCF_RELEASE]
303 #define UHUB_UNK_PORT USBDEVIFCF_PORT_DEFAULT /* wildcarded 'port' */
304 #define UHUB_UNK_CONFIGURATION USBDEVIFCF_CONFIGURATION_DEFAULT /* wildcarded 'configuration' */
305 #define UHUB_UNK_INTERFACE USBDEVIFCF_INTERFACE_DEFAULT /* wildcarded 'interface' */
306 #define UHUB_UNK_VENDOR USBDEVIFCF_VENDOR_DEFAULT /* wildcarded 'vendor' */
307 #define UHUB_UNK_PRODUCT USBDEVIFCF_PRODUCT_DEFAULT /* wildcarded 'product' */
308 #define UHUB_UNK_RELEASE USBDEVIFCF_RELEASE_DEFAULT /* wildcarded 'release' */
309
310