summaryrefslogtreecommitdiff
path: root/sys/dev/usb/usbdivar.h
blob: a40975d142068bc55f4e0058035ac8f67f9a5d16 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
/*	$OpenBSD: usbdivar.h,v 1.3 1999/08/27 09:00:30 fgsch Exp $	*/
/*	$NetBSD: usbdivar.h,v 1.24 1999/08/17 20:59:04 augustss Exp $	*/

/*
 * Copyright (c) 1998 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Lennart Augustsson (augustss@carlstedt.se) at
 * Carlstedt Research & Technology.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *        This product includes software developed by the NetBSD
 *        Foundation, Inc. and its contributors.
 * 4. Neither the name of The NetBSD Foundation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

struct usbd_request;
struct usbd_pipe;

struct usbd_endpoint {
	usb_endpoint_descriptor_t *edesc;
	int			refcnt;
};

struct usbd_methods {
	usbd_status	      (*transfer)__P((usbd_request_handle reqh));
	usbd_status	      (*start)__P((usbd_request_handle reqh));
	void		      (*abort)__P((usbd_request_handle reqh));
	void		      (*close)__P((usbd_pipe_handle pipe));
	void		      (*cleartoggle)__P((usbd_pipe_handle pipe));
	void		      (*done)__P((usbd_request_handle reqh));
	usbd_status	      (*isobuf)__P((usbd_pipe_handle pipe,
					    u_int32_t bufsize,u_int32_t nbuf));
};

struct usbd_port {
	usb_port_status_t	status;
	u_int16_t		power;	/* mA of current on port */
	u_int8_t		portno;
	u_int8_t		restartcnt;
#define USBD_RESTART_MAX 5
	struct usbd_device     *device;
	struct usbd_device     *parent;	/* The ports hub */
};

struct usbd_hub {
	usbd_status	      (*explore)__P((usbd_device_handle hub));
	void		       *hubsoftc;
	usb_hub_descriptor_t	hubdesc;
	struct usbd_port        ports[1];
};

struct usb_softc;

/*****/

struct usbd_bus {
	/* Filled by HC driver */
	bdevice			bdev; /* base device, host adapter */
	usbd_status	      (*open_pipe)__P((struct usbd_pipe *pipe));
	u_int32_t		pipe_size; /* size of a pipe struct */
	void		      (*do_poll)__P((struct usbd_bus *));
	/* Filled by usb driver */
	struct usbd_device     *root_hub;
	usbd_device_handle	devices[USB_MAX_DEVICES];
	char			needs_explore;/* a hub a signalled a change */
	char			use_polling;
	struct usb_softc       *usbctl;
	struct usb_device_stats	stats;
};

struct usbd_device {
	struct usbd_bus	       *bus;
	struct usbd_pipe       *default_pipe;
	u_int8_t		address;
	u_int8_t		depth;
	u_int8_t		lowspeed;
	u_int16_t		power;
	u_int8_t		self_powered;
	int			config;
	int			langid;	/* language to use for strings */
#define USBD_NOLANG (-1)
	struct usbd_port       *powersrc;
	struct usbd_endpoint	def_ep;	/* for pipe 0 */
	usb_endpoint_descriptor_t def_ep_desc; /* for pipe 0 */
	struct usbd_interface  *ifaces;
	usb_device_descriptor_t ddesc;
	usb_config_descriptor_t *cdesc;	/* full config descr */
	struct usbd_quirks     *quirks;
	struct usbd_hub	       *hub; /* only if this is a hub */
	struct device	      **subdevs;	/* sub-devices, 0 terminated */
};

struct usbd_interface {
	struct usbd_device     *device;
	usb_interface_descriptor_t *idesc;
	int			index;
	int			altindex;
	struct usbd_endpoint   *endpoints;
	void		       *priv;
	LIST_HEAD(, usbd_pipe)	pipes;
};

struct usbd_pipe {
	struct usbd_interface  *iface;
	struct usbd_device     *device;
	struct usbd_endpoint   *endpoint;
	int			refcnt;
	char			running;
	SIMPLEQ_HEAD(, usbd_request) queue;
	LIST_ENTRY(usbd_pipe)	next;

	usbd_request_handle     intrreqh; /* used for repeating requests */
	char			repeat;

	/* Filled by HC driver. */
	struct usbd_methods    *methods;
};

struct usbd_request {
	struct usbd_pipe       *pipe;
	void		       *priv;
	void		       *buffer;
	u_int32_t		length;
	u_int32_t		actlen;
	u_int16_t		flags;
	u_int32_t		timeout;
	usbd_status		status;
	usbd_callback		callback;
	char			done;

	usb_device_request_t	request;
	char			isreq;

	SIMPLEQ_ENTRY(usbd_request) next;

	void		       *hcpriv; /* XXX private use by the HC driver */

#if defined(__FreeBSD__)
	struct callout_handle  timo_handle;
#endif
};

void usbd_init __P((void));

/* Routines from usb_subr.c */
int		usbctlprint __P((void *, const char *));
void		usb_delay_ms __P((usbd_bus_handle, u_int));
void		usbd_devinfo_vp __P((usbd_device_handle, char *, char *));
usbd_status	usbd_reset_port __P((usbd_device_handle dev,
				     int port, usb_port_status_t *ps));
usbd_status	usbd_setup_pipe __P((usbd_device_handle dev,
				     usbd_interface_handle iface,
				     struct usbd_endpoint *,
				     usbd_pipe_handle *pipe));
usbd_status	usbd_new_device __P((bdevice *parent, 
				     usbd_bus_handle bus, int depth,
				     int lowspeed, int port, 
				     struct usbd_port *));
void		usbd_remove_device __P((usbd_device_handle,
					struct usbd_port *));
int		usbd_printBCD __P((char *cp, int bcd));
usbd_status	usbd_fill_iface_data __P((usbd_device_handle dev, 
					  int i, int a));
void		usb_free_device __P((usbd_device_handle));

usbd_status	usb_insert_transfer __P((usbd_request_handle reqh));
void		usb_transfer_complete __P((usbd_request_handle reqh));

/* Routines from usb.c */
int		usb_bus_count __P((void));
void		usb_needs_explore __P((usbd_bus_handle));
#if 0
usbd_status	usb_get_bus_handle __P((int, usbd_bus_handle *));
#endif

/* Locator stuff. */

#if defined(__NetBSD__)
#include "locators.h"
#elif defined(__FreeBSD__) || defined(__OpenBSD__)
/* XXX these values are used to statically bind some elements in the USB tree
 * to specific driver instances. This should be somehow emulated in FreeBSD
 * but can be done later on.
 * The values are copied from the files.usb file in the NetBSD sources.
 */
#define UHUBCF_PORT_DEFAULT -1
#define UHUBCF_CONFIGURATION_DEFAULT -1
#define UHUBCF_INTERFACE_DEFAULT -1
#define UHUBCF_VENDOR_DEFAULT -1
#define UHUBCF_PRODUCT_DEFAULT -1
#define UHUBCF_RELEASE_DEFAULT -1
#endif

#if defined (__OpenBSD__)
#define	UHUBCF_PORT		0
#define	UHUBCF_CONFIGURATION	1
#define	UHUBCF_INTERFACE	2
#define	UHUBCF_VENDOR		3
#define	UHUBCF_PRODUCT		4
#define	UHUBCF_RELEASE		5
#endif

#define	uhubcf_port		cf_loc[UHUBCF_PORT]
#define	uhubcf_configuration	cf_loc[UHUBCF_CONFIGURATION]
#define	uhubcf_interface	cf_loc[UHUBCF_INTERFACE]
#define	uhubcf_vendor		cf_loc[UHUBCF_VENDOR]
#define	uhubcf_product		cf_loc[UHUBCF_PRODUCT]
#define	uhubcf_release		cf_loc[UHUBCF_RELEASE]
#define	UHUB_UNK_PORT		UHUBCF_PORT_DEFAULT /* wildcarded 'port' */
#define	UHUB_UNK_CONFIGURATION	UHUBCF_CONFIGURATION_DEFAULT /* wildcarded 'configuration' */
#define	UHUB_UNK_INTERFACE	UHUBCF_INTERFACE_DEFAULT /* wildcarded 'interface' */
#define	UHUB_UNK_VENDOR		UHUBCF_VENDOR_DEFAULT /* wildcarded 'vendor' */
#define	UHUB_UNK_PRODUCT	UHUBCF_PRODUCT_DEFAULT /* wildcarded 'product' */
#define	UHUB_UNK_RELEASE	UHUBCF_RELEASE_DEFAULT /* wildcarded 'release' */