usbdivar.h revision 1.37 1 /* $NetBSD: usbdivar.h,v 1.37 1999/10/12 20:02:48 augustss Exp $ */
2
3 /*
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Lennart Augustsson (augustss (at) carlstedt.se) at
9 * Carlstedt Research & Technology.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 /* From usb_mem.h */
41 DECLARE_USB_DMA_T;
42
43 struct usbd_request;
44 struct usbd_pipe;
45
46 struct usbd_endpoint {
47 usb_endpoint_descriptor_t *edesc;
48 int refcnt;
49 };
50
51 struct usbd_bus_methods {
52 usbd_status (*open_pipe)__P((struct usbd_pipe *pipe));
53 void (*do_poll)__P((struct usbd_bus *));
54 usbd_status (*allocm)__P((struct usbd_bus *, usb_dma_t *,
55 u_int32_t bufsize));
56 void (*freem)__P((struct usbd_bus *, usb_dma_t *));
57 };
58
59 struct usbd_pipe_methods {
60 usbd_status (*transfer)__P((usbd_request_handle reqh));
61 usbd_status (*start)__P((usbd_request_handle reqh));
62 void (*abort)__P((usbd_request_handle reqh));
63 void (*close)__P((usbd_pipe_handle pipe));
64 void (*cleartoggle)__P((usbd_pipe_handle pipe));
65 void (*done)__P((usbd_request_handle reqh));
66 };
67
68 struct usbd_port {
69 usb_port_status_t status;
70 u_int16_t power; /* mA of current on port */
71 u_int8_t portno;
72 u_int8_t restartcnt;
73 #define USBD_RESTART_MAX 5
74 struct usbd_device *device;
75 struct usbd_device *parent; /* The ports hub */
76 };
77
78 struct usbd_hub {
79 usbd_status (*explore)__P((usbd_device_handle hub));
80 void *hubsoftc;
81 usb_hub_descriptor_t hubdesc;
82 struct usbd_port ports[1];
83 };
84
85 struct usb_softc;
86
87 /*****/
88
89 struct usbd_bus {
90 /* Filled by HC driver */
91 USBBASEDEVICE bdev; /* base device, host adapter */
92 struct usbd_bus_methods *methods;
93 u_int32_t pipe_size; /* size of a pipe struct */
94 /* Filled by usb driver */
95 struct usbd_device *root_hub;
96 usbd_device_handle devices[USB_MAX_DEVICES];
97 char needs_explore;/* a hub a signalled a change */
98 char use_polling;
99 struct usb_softc *usbctl;
100 struct usb_device_stats stats;
101 int intr_context;
102 u_int no_intrs;
103 #if defined(__NetBSD__) || defined(__OpenBSD__)
104 bus_dma_tag_t dmatag; /* DMA tag */
105 #endif
106 };
107
108 struct usbd_device {
109 struct usbd_bus *bus;
110 struct usbd_pipe *default_pipe;
111 u_int8_t address;
112 u_int8_t depth;
113 u_int8_t lowspeed;
114 u_int16_t power;
115 u_int8_t self_powered;
116 int config;
117 int langid; /* language to use for strings */
118 #define USBD_NOLANG (-1)
119 usb_event_cookie_t cookie; /* unique connection id */
120 struct usbd_port *powersrc;
121 struct usbd_endpoint def_ep; /* for pipe 0 */
122 usb_endpoint_descriptor_t def_ep_desc; /* for pipe 0 */
123 struct usbd_interface *ifaces;
124 usb_device_descriptor_t ddesc;
125 usb_config_descriptor_t *cdesc; /* full config descr */
126 struct usbd_quirks *quirks;
127 struct usbd_hub *hub; /* only if this is a hub */
128 device_ptr_t *subdevs; /* sub-devices, 0 terminated */
129 };
130
131 struct usbd_interface {
132 struct usbd_device *device;
133 usb_interface_descriptor_t *idesc;
134 int index;
135 int altindex;
136 struct usbd_endpoint *endpoints;
137 void *priv;
138 LIST_HEAD(, usbd_pipe) pipes;
139 };
140
141 struct usbd_pipe {
142 struct usbd_interface *iface;
143 struct usbd_device *device;
144 struct usbd_endpoint *endpoint;
145 int refcnt;
146 char running;
147 SIMPLEQ_HEAD(, usbd_request) queue;
148 LIST_ENTRY(usbd_pipe) next;
149
150 usbd_request_handle intrreqh; /* used for repeating requests */
151 char repeat;
152
153 /* Filled by HC driver. */
154 struct usbd_pipe_methods *methods;
155 };
156
157 struct usbd_request {
158 struct usbd_pipe *pipe;
159 void *priv;
160 void *buffer;
161 u_int32_t length;
162 u_int32_t actlen;
163 u_int16_t flags;
164 u_int32_t timeout;
165 usbd_status status;
166 usbd_callback callback;
167 __volatile char done;
168
169 /* For control pipe */
170 usb_device_request_t request;
171
172 /* For isoc */
173 u_int16_t *frlengths;
174 int nframes;
175
176 /* For memory allocation */
177 struct usbd_device *device;
178 usb_dma_t dmabuf;
179
180 int rqflags;
181 #define URQ_REQUEST 0x01
182 #define URQ_AUTO_DMABUF 0x10
183 #define URQ_DEV_DMABUF 0x20
184
185 SIMPLEQ_ENTRY(usbd_request) next;
186
187 void *hcpriv; /* private use by the HC driver */
188 int hcprivint; /* ditto */
189
190 #if defined(__FreeBSD__)
191 struct callout_handle timo_handle;
192 #endif
193 };
194
195 void usbd_init __P((void));
196 void usbd_finish __P((void));
197
198 /* Routines from usb_subr.c */
199 int usbctlprint __P((void *, const char *));
200 void usb_delay_ms __P((usbd_bus_handle, u_int));
201 void usbd_devinfo_vp __P((usbd_device_handle, char *, char *));
202 usbd_status usbd_reset_port __P((usbd_device_handle dev,
203 int port, usb_port_status_t *ps));
204 usbd_status usbd_setup_pipe __P((usbd_device_handle dev,
205 usbd_interface_handle iface,
206 struct usbd_endpoint *,
207 usbd_pipe_handle *pipe));
208 usbd_status usbd_new_device __P((device_ptr_t parent,
209 usbd_bus_handle bus, int depth,
210 int lowspeed, int port,
211 struct usbd_port *));
212 void usbd_remove_device __P((usbd_device_handle,
213 struct usbd_port *));
214 int usbd_printBCD __P((char *cp, int bcd));
215 usbd_status usbd_fill_iface_data __P((usbd_device_handle dev,
216 int i, int a));
217 void usb_free_device __P((usbd_device_handle));
218
219 usbd_status usb_insert_transfer __P((usbd_request_handle reqh));
220 void usb_transfer_complete __P((usbd_request_handle reqh));
221 void usb_disconnect_port __P((struct usbd_port *up, device_ptr_t));
222
223 /* Routines from usb.c */
224 int usb_bus_count __P((void));
225 void usb_needs_explore __P((usbd_bus_handle));
226
227 #ifdef DIAGNOSTIC
228 #define SPLUSBCHECK \
229 do { int _s = splusb(), _su = splusb(); \
230 if (_s != _su) printf("SPLUSBCHECK failed 0x%x!=0x%x, %s:%d\n", \
231 _s, _su, __FILE__, __LINE__); \
232 } while (0)
233 #else
234 #define SPLUSBCHECK
235 #endif
236
237 /* Locator stuff. */
238
239 #if defined(__NetBSD__)
240 #include "locators.h"
241 #elif defined(__FreeBSD__) || defined(__OpenBSD__)
242 /* XXX these values are used to statically bind some elements in the USB tree
243 * to specific driver instances. This should be somehow emulated in FreeBSD
244 * but can be done later on.
245 * The values are copied from the files.usb file in the NetBSD sources.
246 */
247 #define UHUBCF_PORT_DEFAULT -1
248 #define UHUBCF_CONFIGURATION_DEFAULT -1
249 #define UHUBCF_INTERFACE_DEFAULT -1
250 #define UHUBCF_VENDOR_DEFAULT -1
251 #define UHUBCF_PRODUCT_DEFAULT -1
252 #define UHUBCF_RELEASE_DEFAULT -1
253 #endif
254
255 #if defined (__OpenBSD__)
256 #define UHUBCF_PORT 0
257 #define UHUBCF_CONFIGURATION 1
258 #define UHUBCF_INTERFACE 2
259 #define UHUBCF_VENDOR 3
260 #define UHUBCF_PRODUCT 4
261 #define UHUBCF_RELEASE 5
262 #endif
263
264 #define uhubcf_port cf_loc[UHUBCF_PORT]
265 #define uhubcf_configuration cf_loc[UHUBCF_CONFIGURATION]
266 #define uhubcf_interface cf_loc[UHUBCF_INTERFACE]
267 #define uhubcf_vendor cf_loc[UHUBCF_VENDOR]
268 #define uhubcf_product cf_loc[UHUBCF_PRODUCT]
269 #define uhubcf_release cf_loc[UHUBCF_RELEASE]
270 #define UHUB_UNK_PORT UHUBCF_PORT_DEFAULT /* wildcarded 'port' */
271 #define UHUB_UNK_CONFIGURATION UHUBCF_CONFIGURATION_DEFAULT /* wildcarded 'configuration' */
272 #define UHUB_UNK_INTERFACE UHUBCF_INTERFACE_DEFAULT /* wildcarded 'interface' */
273 #define UHUB_UNK_VENDOR UHUBCF_VENDOR_DEFAULT /* wildcarded 'vendor' */
274 #define UHUB_UNK_PRODUCT UHUBCF_PRODUCT_DEFAULT /* wildcarded 'product' */
275 #define UHUB_UNK_RELEASE UHUBCF_RELEASE_DEFAULT /* wildcarded 'release' */
276
277