usbdivar.h revision 1.52 1 /* $NetBSD: usbdivar.h,v 1.52 2000/03/25 18:02:33 augustss 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 (augustss (at) carlstedt.se) 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 #include <sys/callout.h>
42
43 /* From usb_mem.h */
44 DECLARE_USB_DMA_T;
45
46 struct usbd_xfer;
47 struct usbd_pipe;
48
49 struct usbd_endpoint {
50 usb_endpoint_descriptor_t *edesc;
51 int refcnt;
52 };
53
54 struct usbd_bus_methods {
55 usbd_status (*open_pipe)__P((struct usbd_pipe *pipe));
56 void (*soft_intr)__P((struct usbd_bus *));
57 void (*do_poll)__P((struct usbd_bus *));
58 usbd_status (*allocm)__P((struct usbd_bus *, usb_dma_t *,
59 u_int32_t bufsize));
60 void (*freem)__P((struct usbd_bus *, usb_dma_t *));
61 struct usbd_xfer * (*allocx)__P((struct usbd_bus *));
62 void (*freex)__P((struct usbd_bus *,
63 struct usbd_xfer *));
64 };
65
66 struct usbd_pipe_methods {
67 usbd_status (*transfer)__P((usbd_xfer_handle xfer));
68 usbd_status (*start)__P((usbd_xfer_handle xfer));
69 void (*abort)__P((usbd_xfer_handle xfer));
70 void (*close)__P((usbd_pipe_handle pipe));
71 void (*cleartoggle)__P((usbd_pipe_handle pipe));
72 void (*done)__P((usbd_xfer_handle xfer));
73 };
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 struct usbd_device *device;
82 struct usbd_device *parent; /* The ports hub */
83 };
84
85 struct usbd_hub {
86 usbd_status (*explore)__P((usbd_device_handle hub));
87 void *hubsoftc;
88 usb_hub_descriptor_t hubdesc;
89 struct usbd_port ports[1];
90 };
91
92 struct usb_softc;
93
94 /*****/
95
96 struct usbd_bus {
97 /* Filled by HC driver */
98 USBBASEDEVICE bdev; /* base device, host adapter */
99 struct usbd_bus_methods *methods;
100 u_int32_t pipe_size; /* size of a pipe struct */
101 /* Filled by usb driver */
102 struct usbd_device *root_hub;
103 usbd_device_handle devices[USB_MAX_DEVICES];
104 char needs_explore;/* a hub a signalled a change */
105 char use_polling;
106 struct usb_softc *usbctl;
107 struct usb_device_stats stats;
108 int intr_context;
109 u_int no_intrs;
110 int usbrev; /* USB revision */
111 #define USBREV_UNKNOWN 0
112 #define USBREV_PRE_1_0 1
113 #define USBREV_1_0 2
114 #define USBREV_1_1 3
115 #define USBREV_STR { "unknown", "pre 1.0", "1.0", "1.1" }
116
117 #if defined(__NetBSD__) || defined(__OpenBSD__)
118 bus_dma_tag_t dmatag; /* DMA tag */
119 #endif
120 };
121
122 struct usbd_device {
123 struct usbd_bus *bus; /* our controller */
124 struct usbd_pipe *default_pipe; /* pipe 0 */
125 u_int8_t address; /* device addess */
126 u_int8_t config; /* current configuration # */
127 u_int8_t depth; /* distance from root hub */
128 u_int8_t lowspeed; /* lowspeed flag */
129 u_int8_t self_powered; /* flag for self powered */
130 u_int16_t power; /* mA the device uses */
131 int16_t langid; /* language for strings */
132 #define USBD_NOLANG (-1)
133 usb_event_cookie_t cookie; /* unique connection id */
134 struct usbd_port *powersrc; /* upstream hub port, or 0 */
135 struct usbd_endpoint def_ep; /* for pipe 0 */
136 usb_endpoint_descriptor_t def_ep_desc; /* for pipe 0 */
137 struct usbd_interface *ifaces; /* array of all interfaces */
138 usb_device_descriptor_t ddesc; /* device descriptor */
139 usb_config_descriptor_t *cdesc; /* full config descr */
140 struct usbd_quirks *quirks; /* device quirks, always set */
141 struct usbd_hub *hub; /* only if this is a hub */
142 device_ptr_t *subdevs; /* sub-devices, 0 terminated */
143 };
144
145 struct usbd_interface {
146 struct usbd_device *device;
147 usb_interface_descriptor_t *idesc;
148 int index;
149 int altindex;
150 struct usbd_endpoint *endpoints;
151 void *priv;
152 LIST_HEAD(, usbd_pipe) pipes;
153 };
154
155 struct usbd_pipe {
156 struct usbd_interface *iface;
157 struct usbd_device *device;
158 struct usbd_endpoint *endpoint;
159 int refcnt;
160 char running;
161 SIMPLEQ_HEAD(, usbd_xfer) queue;
162 LIST_ENTRY(usbd_pipe) next;
163
164 usbd_xfer_handle intrxfer; /* used for repeating requests */
165 char repeat;
166 int interval;
167
168 usb_callout_t abort_handle;
169
170 /* Filled by HC driver. */
171 struct usbd_pipe_methods *methods;
172 };
173
174 struct usbd_xfer {
175 struct usbd_pipe *pipe;
176 void *priv;
177 void *buffer;
178 u_int32_t length;
179 u_int32_t actlen;
180 u_int16_t flags;
181 u_int32_t timeout;
182 usbd_status status;
183 usbd_callback callback;
184 __volatile char done;
185 #ifdef DIAGNOSTIC
186 u_int32_t busy_free;
187 #define XFER_FREE 0x46524545
188 #define XFER_BUSY 0x42555357
189 #endif
190
191 /* For control pipe */
192 usb_device_request_t request;
193
194 /* For isoc */
195 u_int16_t *frlengths;
196 int nframes;
197
198 /* For memory allocation */
199 struct usbd_device *device;
200 usb_dma_t dmabuf;
201
202 int rqflags;
203 #define URQ_REQUEST 0x01
204 #define URQ_AUTO_DMABUF 0x10
205 #define URQ_DEV_DMABUF 0x20
206
207 SIMPLEQ_ENTRY(usbd_xfer) next;
208
209 void *hcpriv; /* private use by the HC driver */
210
211 usb_callout_t timeout_handle;
212 };
213
214 void usbd_init __P((void));
215 void usbd_finish __P((void));
216
217 /* Routines from usb_subr.c */
218 int usbctlprint __P((void *, const char *));
219 void usb_delay_ms __P((usbd_bus_handle, u_int));
220 void usbd_devinfo_vp __P((usbd_device_handle, char *, char *));
221 usbd_status usbd_reset_port __P((usbd_device_handle dev,
222 int port, usb_port_status_t *ps));
223 usbd_status usbd_setup_pipe __P((usbd_device_handle dev,
224 usbd_interface_handle iface,
225 struct usbd_endpoint *, int,
226 usbd_pipe_handle *pipe));
227 usbd_status usbd_new_device __P((device_ptr_t parent,
228 usbd_bus_handle bus, int depth,
229 int lowspeed, int port,
230 struct usbd_port *));
231 void usbd_remove_device __P((usbd_device_handle,
232 struct usbd_port *));
233 int usbd_printBCD __P((char *cp, int bcd));
234 usbd_status usbd_fill_iface_data __P((usbd_device_handle dev,
235 int i, int a));
236 void usb_free_device __P((usbd_device_handle));
237
238 usbd_status usb_insert_transfer __P((usbd_xfer_handle xfer));
239 void usb_transfer_complete __P((usbd_xfer_handle xfer));
240 void usb_disconnect_port __P((struct usbd_port *up, device_ptr_t));
241
242 /* Routines from usb.c */
243 void usb_needs_explore __P((usbd_bus_handle));
244 void usb_schedsoftintr __P((struct usbd_bus *));
245
246 #ifdef DIAGNOSTIC
247 #define SPLUSBCHECK \
248 do { int _s = splusb(), _su = splusb(); \
249 extern int cold; \
250 if (!cold && _s != _su) printf("SPLUSBCHECK failed 0x%x!=0x%x, %s:%d\n", \
251 _s, _su, __FILE__, __LINE__); \
252 splx(_s); \
253 } while (0)
254 #else
255 #define SPLUSBCHECK
256 #endif
257
258 /* Locator stuff. */
259
260 #if defined(__NetBSD__)
261 #include "locators.h"
262 #elif defined(__FreeBSD__) || defined(__OpenBSD__)
263 /* XXX these values are used to statically bind some elements in the USB tree
264 * to specific driver instances. This should be somehow emulated in FreeBSD
265 * but can be done later on.
266 * The values are copied from the files.usb file in the NetBSD sources.
267 */
268 #define UHUBCF_PORT_DEFAULT -1
269 #define UHUBCF_CONFIGURATION_DEFAULT -1
270 #define UHUBCF_INTERFACE_DEFAULT -1
271 #define UHUBCF_VENDOR_DEFAULT -1
272 #define UHUBCF_PRODUCT_DEFAULT -1
273 #define UHUBCF_RELEASE_DEFAULT -1
274 #endif
275
276 #if defined (__OpenBSD__)
277 #define UHUBCF_PORT 0
278 #define UHUBCF_CONFIGURATION 1
279 #define UHUBCF_INTERFACE 2
280 #define UHUBCF_VENDOR 3
281 #define UHUBCF_PRODUCT 4
282 #define UHUBCF_RELEASE 5
283 #endif
284
285 #define uhubcf_port cf_loc[UHUBCF_PORT]
286 #define uhubcf_configuration cf_loc[UHUBCF_CONFIGURATION]
287 #define uhubcf_interface cf_loc[UHUBCF_INTERFACE]
288 #define uhubcf_vendor cf_loc[UHUBCF_VENDOR]
289 #define uhubcf_product cf_loc[UHUBCF_PRODUCT]
290 #define uhubcf_release cf_loc[UHUBCF_RELEASE]
291 #define UHUB_UNK_PORT UHUBCF_PORT_DEFAULT /* wildcarded 'port' */
292 #define UHUB_UNK_CONFIGURATION UHUBCF_CONFIGURATION_DEFAULT /* wildcarded 'configuration' */
293 #define UHUB_UNK_INTERFACE UHUBCF_INTERFACE_DEFAULT /* wildcarded 'interface' */
294 #define UHUB_UNK_VENDOR UHUBCF_VENDOR_DEFAULT /* wildcarded 'vendor' */
295 #define UHUB_UNK_PRODUCT UHUBCF_PRODUCT_DEFAULT /* wildcarded 'product' */
296 #define UHUB_UNK_RELEASE UHUBCF_RELEASE_DEFAULT /* wildcarded 'release' */
297
298