usbdivar.h revision 1.43 1 /* $NetBSD: usbdivar.h,v 1.43 2000/01/16 09:43:43 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 /* From usb_mem.h */
42 DECLARE_USB_DMA_T;
43
44 struct usbd_xfer;
45 struct usbd_pipe;
46
47 struct usbd_endpoint {
48 usb_endpoint_descriptor_t *edesc;
49 int refcnt;
50 };
51
52 struct usbd_bus_methods {
53 usbd_status (*open_pipe)__P((struct usbd_pipe *pipe));
54 void (*do_poll)__P((struct usbd_bus *));
55 usbd_status (*allocm)__P((struct usbd_bus *, usb_dma_t *,
56 u_int32_t bufsize));
57 void (*freem)__P((struct usbd_bus *, usb_dma_t *));
58 };
59
60 struct usbd_pipe_methods {
61 usbd_status (*transfer)__P((usbd_xfer_handle xfer));
62 usbd_status (*start)__P((usbd_xfer_handle xfer));
63 void (*abort)__P((usbd_xfer_handle xfer));
64 void (*close)__P((usbd_pipe_handle pipe));
65 void (*cleartoggle)__P((usbd_pipe_handle pipe));
66 void (*done)__P((usbd_xfer_handle xfer));
67 };
68
69 struct usbd_port {
70 usb_port_status_t status;
71 u_int16_t power; /* mA of current on port */
72 u_int8_t portno;
73 u_int8_t restartcnt;
74 #define USBD_RESTART_MAX 5
75 struct usbd_device *device;
76 struct usbd_device *parent; /* The ports hub */
77 };
78
79 struct usbd_hub {
80 usbd_status (*explore)__P((usbd_device_handle hub));
81 void *hubsoftc;
82 usb_hub_descriptor_t hubdesc;
83 struct usbd_port ports[1];
84 };
85
86 struct usb_softc;
87
88 /*****/
89
90 struct usbd_bus {
91 /* Filled by HC driver */
92 USBBASEDEVICE bdev; /* base device, host adapter */
93 struct usbd_bus_methods *methods;
94 u_int32_t pipe_size; /* size of a pipe struct */
95 /* Filled by usb driver */
96 struct usbd_device *root_hub;
97 usbd_device_handle devices[USB_MAX_DEVICES];
98 char needs_explore;/* a hub a signalled a change */
99 char use_polling;
100 struct usb_softc *usbctl;
101 struct usb_device_stats stats;
102 int intr_context;
103 u_int no_intrs;
104 int usbrev; /* USB revision */
105 #define USBREV_UNKNOWN 0
106 #define USBREV_PRE_1_0 1
107 #define USBREV_1_0 2
108 #define USBREV_1_1 3
109 #define USBREV_STR { "unknown", "pre 1.0", "1.0", "1.1" }
110
111 #if defined(__NetBSD__) || defined(__OpenBSD__)
112 bus_dma_tag_t dmatag; /* DMA tag */
113 #endif
114 };
115
116 struct usbd_device {
117 struct usbd_bus *bus; /* our controller */
118 struct usbd_pipe *default_pipe; /* pipe 0 */
119 u_int8_t address; /* device addess */
120 u_int8_t config; /* current configuration # */
121 u_int8_t depth; /* distance from root hub */
122 u_int8_t lowspeed; /* lowspeed flag */
123 u_int8_t self_powered; /* flag for self powered */
124 u_int16_t power; /* mA the device uses */
125 int16_t langid; /* language for strings */
126 #define USBD_NOLANG (-1)
127 usb_event_cookie_t cookie; /* unique connection id */
128 struct usbd_port *powersrc; /* upstream hub port, or 0 */
129 struct usbd_endpoint def_ep; /* for pipe 0 */
130 usb_endpoint_descriptor_t def_ep_desc; /* for pipe 0 */
131 struct usbd_interface *ifaces; /* array of all interfaces */
132 usb_device_descriptor_t ddesc; /* device descriptor */
133 usb_config_descriptor_t *cdesc; /* full config descr */
134 struct usbd_quirks *quirks; /* device quirks, always set */
135 struct usbd_hub *hub; /* only if this is a hub */
136 device_ptr_t *subdevs; /* sub-devices, 0 terminated */
137 };
138
139 struct usbd_interface {
140 struct usbd_device *device;
141 usb_interface_descriptor_t *idesc;
142 int index;
143 int altindex;
144 struct usbd_endpoint *endpoints;
145 void *priv;
146 LIST_HEAD(, usbd_pipe) pipes;
147 };
148
149 struct usbd_pipe {
150 struct usbd_interface *iface;
151 struct usbd_device *device;
152 struct usbd_endpoint *endpoint;
153 int refcnt;
154 char running;
155 SIMPLEQ_HEAD(, usbd_xfer) queue;
156 LIST_ENTRY(usbd_pipe) next;
157
158 usbd_xfer_handle intrxfer; /* used for repeating requests */
159 char repeat;
160
161 /* Filled by HC driver. */
162 struct usbd_pipe_methods *methods;
163 };
164
165 struct usbd_xfer {
166 struct usbd_pipe *pipe;
167 void *priv;
168 void *buffer;
169 u_int32_t length;
170 u_int32_t actlen;
171 u_int16_t flags;
172 u_int32_t timeout;
173 usbd_status status;
174 usbd_callback callback;
175 __volatile char done;
176
177 /* For control pipe */
178 usb_device_request_t request;
179
180 /* For isoc */
181 u_int16_t *frlengths;
182 int nframes;
183
184 /* For memory allocation */
185 struct usbd_device *device;
186 usb_dma_t dmabuf;
187
188 int rqflags;
189 #define URQ_REQUEST 0x01
190 #define URQ_AUTO_DMABUF 0x10
191 #define URQ_DEV_DMABUF 0x20
192
193 SIMPLEQ_ENTRY(usbd_xfer) next;
194
195 void *hcpriv; /* private use by the HC driver */
196 int hcprivint; /* ditto */
197
198 #if defined(__FreeBSD__)
199 struct callout_handle timo_handle;
200 #endif
201 };
202
203 void usbd_init __P((void));
204 void usbd_finish __P((void));
205
206 /* Routines from usb_subr.c */
207 int usbctlprint __P((void *, const char *));
208 void usb_delay_ms __P((usbd_bus_handle, u_int));
209 void usbd_devinfo_vp __P((usbd_device_handle, char *, char *));
210 usbd_status usbd_reset_port __P((usbd_device_handle dev,
211 int port, usb_port_status_t *ps));
212 usbd_status usbd_setup_pipe __P((usbd_device_handle dev,
213 usbd_interface_handle iface,
214 struct usbd_endpoint *,
215 usbd_pipe_handle *pipe));
216 usbd_status usbd_new_device __P((device_ptr_t parent,
217 usbd_bus_handle bus, int depth,
218 int lowspeed, int port,
219 struct usbd_port *));
220 void usbd_remove_device __P((usbd_device_handle,
221 struct usbd_port *));
222 int usbd_printBCD __P((char *cp, int bcd));
223 usbd_status usbd_fill_iface_data __P((usbd_device_handle dev,
224 int i, int a));
225 void usb_free_device __P((usbd_device_handle));
226
227 usbd_status usb_insert_transfer __P((usbd_xfer_handle xfer));
228 void usb_transfer_complete __P((usbd_xfer_handle xfer));
229 void usb_disconnect_port __P((struct usbd_port *up, device_ptr_t));
230
231 /* Routines from usb.c */
232 int usb_bus_count __P((void));
233 void usb_needs_explore __P((usbd_bus_handle));
234
235 #ifdef DIAGNOSTIC
236 #define SPLUSBCHECK \
237 do { int _s = splusb(), _su = splusb(); \
238 extern int cold; \
239 if (!cold && _s != _su) printf("SPLUSBCHECK failed 0x%x!=0x%x, %s:%d\n", \
240 _s, _su, __FILE__, __LINE__); \
241 splx(_s); \
242 } while (0)
243 #else
244 #define SPLUSBCHECK
245 #endif
246
247 /* Locator stuff. */
248
249 #if defined(__NetBSD__)
250 #include "locators.h"
251 #elif defined(__FreeBSD__) || defined(__OpenBSD__)
252 /* XXX these values are used to statically bind some elements in the USB tree
253 * to specific driver instances. This should be somehow emulated in FreeBSD
254 * but can be done later on.
255 * The values are copied from the files.usb file in the NetBSD sources.
256 */
257 #define UHUBCF_PORT_DEFAULT -1
258 #define UHUBCF_CONFIGURATION_DEFAULT -1
259 #define UHUBCF_INTERFACE_DEFAULT -1
260 #define UHUBCF_VENDOR_DEFAULT -1
261 #define UHUBCF_PRODUCT_DEFAULT -1
262 #define UHUBCF_RELEASE_DEFAULT -1
263 #endif
264
265 #if defined (__OpenBSD__)
266 #define UHUBCF_PORT 0
267 #define UHUBCF_CONFIGURATION 1
268 #define UHUBCF_INTERFACE 2
269 #define UHUBCF_VENDOR 3
270 #define UHUBCF_PRODUCT 4
271 #define UHUBCF_RELEASE 5
272 #endif
273
274 #define uhubcf_port cf_loc[UHUBCF_PORT]
275 #define uhubcf_configuration cf_loc[UHUBCF_CONFIGURATION]
276 #define uhubcf_interface cf_loc[UHUBCF_INTERFACE]
277 #define uhubcf_vendor cf_loc[UHUBCF_VENDOR]
278 #define uhubcf_product cf_loc[UHUBCF_PRODUCT]
279 #define uhubcf_release cf_loc[UHUBCF_RELEASE]
280 #define UHUB_UNK_PORT UHUBCF_PORT_DEFAULT /* wildcarded 'port' */
281 #define UHUB_UNK_CONFIGURATION UHUBCF_CONFIGURATION_DEFAULT /* wildcarded 'configuration' */
282 #define UHUB_UNK_INTERFACE UHUBCF_INTERFACE_DEFAULT /* wildcarded 'interface' */
283 #define UHUB_UNK_VENDOR UHUBCF_VENDOR_DEFAULT /* wildcarded 'vendor' */
284 #define UHUB_UNK_PRODUCT UHUBCF_PRODUCT_DEFAULT /* wildcarded 'product' */
285 #define UHUB_UNK_RELEASE UHUBCF_RELEASE_DEFAULT /* wildcarded 'release' */
286
287