usbdivar.h revision 1.17 1 /* $NetBSD: usbdivar.h,v 1.17 1999/01/10 19:13:16 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 struct usbd_request;
41 struct usbd_pipe;
42
43 struct usbd_endpoint {
44 usb_endpoint_descriptor_t *edesc;
45 usbd_endpoint_state state;
46 int refcnt;
47 int toggle; /* XXX */
48 };
49
50 typedef void (*usbd_xfercb)__P((usbd_request_handle req));
51
52 struct usbd_methods {
53 usbd_status (*transfer)__P((usbd_request_handle reqh));
54 usbd_status (*start)__P((usbd_request_handle reqh));
55 void (*abort)__P((usbd_request_handle reqh));
56 void (*close)__P((usbd_pipe_handle pipe));
57 usbd_status (*isobuf)__P((usbd_pipe_handle pipe,
58 u_int32_t bufsize,u_int32_t nbuf));
59 };
60
61 struct usbd_port {
62 usb_port_status_t status;
63 u_int16_t power; /* mA of current on port */
64 u_int8_t portno;
65 u_int8_t restartcnt;
66 #define USBD_RESTART_MAX 5
67 struct usbd_device *device;
68 struct usbd_device *parent; /* The ports hub */
69 };
70
71 struct usbd_hub {
72 usbd_status (*explore)__P((usbd_device_handle hub));
73 void *hubsoftc;
74 usb_hub_descriptor_t hubdesc;
75 struct usbd_port ports[1];
76 };
77
78 struct usb_softc;
79
80 /*****/
81
82 struct usbd_bus {
83 /* Filled by HC driver */
84 bdevice bdev; /* base device, host adapter */
85 usbd_status (*open_pipe)__P((struct usbd_pipe *pipe));
86 u_int32_t pipe_size; /* size of a pipe struct */
87 void (*do_poll)__P((struct usbd_bus *));
88 /* Filled by usb driver */
89 struct usbd_device *root_hub;
90 usbd_device_handle devices[USB_MAX_DEVICES];
91 char needs_explore;/* a hub a signalled a change */
92 char use_polling;
93 struct usb_softc *usbctl;
94 struct usb_device_stats stats;
95 };
96
97 struct usbd_device {
98 struct usbd_bus *bus;
99 usbd_device_state state;
100 struct usbd_pipe *default_pipe;
101 u_int8_t address;
102 u_int8_t depth;
103 u_int8_t lowspeed;
104 u_int16_t power;
105 u_int8_t self_powered;
106 int config;
107 int langid; /* language to use for strings */
108 #define USBD_NOLANG (-1)
109 struct usbd_port *powersrc;
110 struct usbd_endpoint def_ep; /* for pipe 0 */
111 usb_endpoint_descriptor_t def_ep_desc; /* for pipe 0 */
112 struct usbd_interface *ifaces;
113 usb_device_descriptor_t ddesc;
114 usb_config_descriptor_t *cdesc; /* full config descr */
115 struct usbd_quirks *quirks;
116 struct usbd_hub *hub; /* only if this is a hub */
117 void *softc; /* device softc if attached */
118 };
119
120 struct usbd_interface {
121 struct usbd_device *device;
122 usbd_interface_state state;
123 usb_interface_descriptor_t *idesc;
124 int index;
125 int altindex;
126 struct usbd_endpoint *endpoints;
127 void *priv;
128 LIST_HEAD(, usbd_pipe) pipes;
129 };
130
131 struct usbd_pipe {
132 struct usbd_interface *iface;
133 struct usbd_device *device;
134 struct usbd_endpoint *endpoint;
135 usbd_pipe_state state;
136 int32_t refcnt;
137 char running;
138 SIMPLEQ_HEAD(, usbd_request) queue;
139 LIST_ENTRY(usbd_pipe) next;
140
141 void (*disco) __P((void *));
142 void *discoarg;
143
144 usbd_request_handle intrreqh; /* used for repeating requests */
145
146 /* Filled by HC driver. */
147 struct usbd_methods *methods;
148 };
149
150 struct usbd_request {
151 struct usbd_pipe *pipe;
152 void *priv;
153 void *buffer;
154 u_int32_t length;
155 u_int32_t actlen;
156 u_int16_t flags;
157 u_int32_t timeout;
158 usbd_status status;
159 usbd_callback callback;
160 usbd_xfercb xfercb;
161 u_int32_t retries;
162 char done;
163
164 usb_device_request_t request;
165 u_int8_t isreq;
166
167 SIMPLEQ_ENTRY(usbd_request) next;
168
169 void *hcpriv; /* XXX private use by the HC driver */
170
171 #if defined(__FreeBSD__)
172 struct callout_handle timo_handle;
173 #endif
174 };
175
176 void usbd_init __P((void));
177
178 /* Routines from usb_subr.c */
179 int usbctlprint __P((void *, const char *));
180 void usb_delay_ms __P((usbd_bus_handle, u_int));
181 void usbd_devinfo_vp __P((usbd_device_handle, char *, char *));
182 usbd_status usbd_reset_port __P((usbd_device_handle dev,
183 int port, usb_port_status_t *ps));
184 usbd_status usbd_setup_pipe __P((usbd_device_handle dev,
185 usbd_interface_handle iface,
186 struct usbd_endpoint *,
187 usbd_pipe_handle *pipe));
188 usbd_status usbd_new_device __P((bdevice *parent,
189 usbd_bus_handle bus, int depth,
190 int lowspeed, int port,
191 struct usbd_port *));
192 void usbd_remove_device __P((usbd_device_handle,
193 struct usbd_port *));
194 int usbd_printBCD __P((char *cp, int bcd));
195 usbd_status usb_insert_transfer __P((usbd_request_handle reqh));
196 void usb_start_next __P((usbd_pipe_handle pipe));
197 usbd_status usbd_fill_iface_data __P((usbd_device_handle dev,
198 int i, int a));
199
200 /* Routines from usb.c */
201 int usb_bus_count __P((void));
202 void usb_needs_explore __P((usbd_bus_handle));
203 #if 0
204 usbd_status usb_get_bus_handle __P((int, usbd_bus_handle *));
205 #endif
206
207 /* Locator stuff. */
208
209 #if defined(__NetBSD__)
210 #include "locators.h"
211 #elif defined(__FreeBSD__)
212 /* XXX these values are used to statically bind some elements in the USB tree
213 * to specific driver instances. This should be somehow emulated in FreeBSD
214 * but can be done later on.
215 * The values are copied from the files.usb file in the NetBSD sources.
216 */
217 #define UHUBCF_PORT_DEFAULT -1
218 #define UHUBCF_CONFIGURATION_DEFAULT -1
219 #define UHUBCF_INTERFACE_DEFAULT -1
220 #endif
221
222 #define uhubcf_port cf_loc[UHUBCF_PORT]
223 #define uhubcf_configuration cf_loc[UHUBCF_CONFIGURATION]
224 #define uhubcf_interface cf_loc[UHUBCF_INTERFACE]
225 #define UHUB_UNK_PORT UHUBCF_PORT_DEFAULT /* wildcarded 'port' */
226 #define UHUB_UNK_CONFIGURATION UHUBCF_CONFIGURATION_DEFAULT /* wildcarded 'configuration' */
227 #define UHUB_UNK_INTERFACE UHUBCF_INTERFACE_DEFAULT /* wildcarded 'interface' */
228
229