xref: /netbsd/sys/dev/usb/usbdi.h (revision 6550d01e)
1 /*	$NetBSD: usbdi.h,v 1.79 2009/09/04 17:53:12 dyoung Exp $	*/
2 /*	$FreeBSD: src/sys/dev/usb/usbdi.h,v 1.18 1999/11/17 22:33:49 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 (lennart@augustsson.net) 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  *
21  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #ifndef _USBDI_H_
35 #define _USBDI_H_
36 
37 typedef struct usbd_bus		*usbd_bus_handle;
38 typedef struct usbd_device	*usbd_device_handle;
39 typedef struct usbd_interface	*usbd_interface_handle;
40 typedef struct usbd_pipe	*usbd_pipe_handle;
41 typedef struct usbd_xfer	*usbd_xfer_handle;
42 typedef void			*usbd_private_handle;
43 
44 typedef enum {		/* keep in sync with usbd_status_msgs */
45 	USBD_NORMAL_COMPLETION = 0, /* must be 0 */
46 	USBD_IN_PROGRESS,	/* 1 */
47 	/* errors */
48 	USBD_PENDING_REQUESTS,	/* 2 */
49 	USBD_NOT_STARTED,	/* 3 */
50 	USBD_INVAL,		/* 4 */
51 	USBD_NOMEM,		/* 5 */
52 	USBD_CANCELLED,		/* 6 */
53 	USBD_BAD_ADDRESS,	/* 7 */
54 	USBD_IN_USE,		/* 8 */
55 	USBD_NO_ADDR,		/* 9 */
56 	USBD_SET_ADDR_FAILED,	/* 10 */
57 	USBD_NO_POWER,		/* 11 */
58 	USBD_TOO_DEEP,		/* 12 */
59 	USBD_IOERROR,		/* 13 */
60 	USBD_NOT_CONFIGURED,	/* 14 */
61 	USBD_TIMEOUT,		/* 15 */
62 	USBD_SHORT_XFER,	/* 16 */
63 	USBD_STALLED,		/* 17 */
64 	USBD_INTERRUPTED,	/* 18 */
65 
66 	USBD_ERROR_MAX		/* must be last */
67 } usbd_status;
68 
69 typedef void (*usbd_callback)(usbd_xfer_handle, usbd_private_handle,
70 			      usbd_status);
71 
72 /* Open flags */
73 #define USBD_EXCLUSIVE_USE	0x01
74 
75 /* Use default (specified by ep. desc.) interval on interrupt pipe */
76 #define USBD_DEFAULT_INTERVAL	(-1)
77 
78 /* Request flags */
79 #define USBD_NO_COPY		0x01	/* do not copy data to DMA buffer */
80 #define USBD_SYNCHRONOUS	0x02	/* wait for completion */
81 /* in usb.h #define USBD_SHORT_XFER_OK	0x04*/	/* allow short reads */
82 #define USBD_FORCE_SHORT_XFER	0x08	/* force last short packet on write */
83 
84 #define USBD_NO_TIMEOUT 0
85 #define USBD_DEFAULT_TIMEOUT 5000 /* ms = 5 s */
86 #define	USBD_CONFIG_TIMEOUT  (3*USBD_DEFAULT_TIMEOUT)
87 
88 #if defined(__FreeBSD__)
89 #define USB_CDEV_MAJOR 108
90 #endif
91 
92 #define DEVINFOSIZE 1024
93 
94 usbd_status usbd_open_pipe(usbd_interface_handle, u_int8_t,
95 			   u_int8_t, usbd_pipe_handle *);
96 usbd_status usbd_close_pipe(usbd_pipe_handle);
97 usbd_status usbd_transfer(usbd_xfer_handle);
98 usbd_xfer_handle usbd_alloc_xfer(usbd_device_handle);
99 usbd_status usbd_free_xfer(usbd_xfer_handle);
100 void usbd_setup_xfer(usbd_xfer_handle, usbd_pipe_handle,
101 		     usbd_private_handle, void *,
102 		     u_int32_t, u_int16_t, u_int32_t,
103 		     usbd_callback);
104 void usbd_setup_default_xfer(usbd_xfer_handle, usbd_device_handle,
105 			     usbd_private_handle, u_int32_t,
106 			     usb_device_request_t *, void *,
107 			     u_int32_t, u_int16_t, usbd_callback);
108 void usbd_setup_isoc_xfer(usbd_xfer_handle, usbd_pipe_handle,
109 			  usbd_private_handle, u_int16_t *,
110 			  u_int32_t, u_int16_t, usbd_callback);
111 void usbd_get_xfer_status(usbd_xfer_handle, usbd_private_handle *,
112 			  void **, u_int32_t *, usbd_status *);
113 usb_endpoint_descriptor_t *usbd_interface2endpoint_descriptor
114 			(usbd_interface_handle, u_int8_t);
115 usbd_status usbd_abort_pipe(usbd_pipe_handle);
116 usbd_status usbd_abort_default_pipe(usbd_device_handle);
117 usbd_status usbd_clear_endpoint_stall(usbd_pipe_handle);
118 usbd_status usbd_clear_endpoint_stall_async(usbd_pipe_handle);
119 void usbd_clear_endpoint_toggle(usbd_pipe_handle);
120 usbd_status usbd_endpoint_count(usbd_interface_handle, u_int8_t *);
121 usbd_status usbd_interface_count(usbd_device_handle, u_int8_t *);
122 void usbd_interface2device_handle(usbd_interface_handle,
123 					 usbd_device_handle *);
124 usbd_status usbd_device2interface_handle(usbd_device_handle,
125 			      u_int8_t, usbd_interface_handle *);
126 
127 usbd_device_handle usbd_pipe2device_handle(usbd_pipe_handle);
128 void *usbd_alloc_buffer(usbd_xfer_handle, u_int32_t);
129 void usbd_free_buffer(usbd_xfer_handle);
130 void *usbd_get_buffer(usbd_xfer_handle);
131 usbd_status usbd_sync_transfer(usbd_xfer_handle);
132 usbd_status usbd_open_pipe_intr(usbd_interface_handle, u_int8_t,
133 				u_int8_t, usbd_pipe_handle *,
134 				usbd_private_handle, void *,
135 				u_int32_t, usbd_callback, int);
136 usbd_status usbd_do_request(usbd_device_handle, usb_device_request_t *, void *);
137 usbd_status usbd_do_request_async(usbd_device_handle,
138 				  usb_device_request_t *, void *);
139 usbd_status usbd_do_request_flags(usbd_device_handle, usb_device_request_t *,
140 				  void *, u_int16_t, int*, u_int32_t);
141 usbd_status usbd_do_request_flags_pipe(usbd_device_handle, usbd_pipe_handle,
142 	usb_device_request_t *, void *, u_int16_t, int *, u_int32_t);
143 usb_interface_descriptor_t *usbd_get_interface_descriptor
144 				(usbd_interface_handle);
145 usb_config_descriptor_t *usbd_get_config_descriptor(usbd_device_handle);
146 usb_device_descriptor_t *usbd_get_device_descriptor(usbd_device_handle);
147 usbd_status usbd_set_interface(usbd_interface_handle, int);
148 int usbd_get_no_alts(usb_config_descriptor_t *, int);
149 usbd_status  usbd_get_interface(usbd_interface_handle, u_int8_t *);
150 void usbd_fill_deviceinfo(usbd_device_handle, struct usb_device_info *, int);
151 #ifdef COMPAT_30
152 void usbd_fill_deviceinfo_old(usbd_device_handle, struct usb_device_info_old *,
153     int);
154 #endif
155 int usbd_get_interface_altindex(usbd_interface_handle);
156 
157 usb_interface_descriptor_t *usbd_find_idesc(usb_config_descriptor_t *,
158 					    int, int);
159 usb_endpoint_descriptor_t *usbd_find_edesc(usb_config_descriptor_t *,
160 					   int, int, int);
161 
162 void usbd_dopoll(usbd_interface_handle);
163 void usbd_set_polling(usbd_device_handle, int);
164 
165 const char *usbd_errstr(usbd_status);
166 
167 void usbd_add_dev_event(int, usbd_device_handle);
168 void usbd_add_drv_event(int, usbd_device_handle, device_t);
169 
170 char *usbd_devinfo_alloc(usbd_device_handle, int);
171 void usbd_devinfo_free(char *);
172 
173 const struct usbd_quirks *usbd_get_quirks(usbd_device_handle);
174 usb_endpoint_descriptor_t *usbd_get_endpoint_descriptor
175 			(usbd_interface_handle, u_int8_t);
176 
177 usbd_status usbd_reload_device_desc(usbd_device_handle);
178 
179 int usbd_ratecheck(struct timeval *);
180 
181 usbd_status usbd_get_string(usbd_device_handle, int, char *);
182 usbd_status usbd_get_string0(usbd_device_handle, int, char *, int);
183 
184 /* An iterator for descriptors. */
185 typedef struct {
186 	const uByte *cur;
187 	const uByte *end;
188 } usbd_desc_iter_t;
189 void usb_desc_iter_init(usbd_device_handle, usbd_desc_iter_t *);
190 const usb_descriptor_t *usb_desc_iter_next(usbd_desc_iter_t *);
191 
192 /*
193  * The usb_task structs form a queue of things to run in the USB event
194  * thread.  Normally this is just device discovery when a connect/disconnect
195  * has been detected.  But it may also be used by drivers that need to
196  * perform (short) tasks that must have a process context.
197  */
198 struct usb_task {
199 	TAILQ_ENTRY(usb_task) next;
200 	void (*fun)(void *);
201 	void *arg;
202 	int queue;
203 };
204 #define	USB_TASKQ_HC		0
205 #define	USB_TASKQ_DRIVER	1
206 #define	USB_NUM_TASKQS		2
207 #define	USB_TASKQ_NAMES		{"usbtask-hc", "usbtask-dr"}
208 
209 void usb_add_task(usbd_device_handle, struct usb_task *, int);
210 void usb_rem_task(usbd_device_handle, struct usb_task *);
211 #define usb_init_task(t, f, a) ((t)->fun = (f), (t)->arg = (a), (t)->queue = -1)
212 
213 struct usb_devno {
214 	u_int16_t ud_vendor;
215 	u_int16_t ud_product;
216 };
217 const struct usb_devno *usb_match_device(const struct usb_devno *,
218 	u_int, u_int, u_int16_t, u_int16_t);
219 #define usb_lookup(tbl, vendor, product) \
220 	usb_match_device((const struct usb_devno *)(tbl), sizeof (tbl) / sizeof ((tbl)[0]), sizeof ((tbl)[0]), (vendor), (product))
221 #define	USB_PRODUCT_ANY		0xffff
222 
223 /* NetBSD attachment information */
224 
225 /* Attach data */
226 struct usb_attach_arg {
227 	int			port;
228 	int			vendor;
229 	int			product;
230 	int			release;
231 	usbd_device_handle	device;	/* current device */
232 	int			class, subclass, proto;
233 	int			usegeneric;
234 };
235 
236 struct usbif_attach_arg {
237 	int			port;
238 	int			configno;
239 	int			ifaceno;
240 	int			vendor;
241 	int			product;
242 	int			release;
243 	usbd_device_handle	device;	/* current device */
244 
245 	usbd_interface_handle	iface; /* current interface */
246 	int			class, subclass, proto;
247 
248 	/* XXX need accounting for interfaces not matched to */
249 
250 	usbd_interface_handle  *ifaces;	/* all interfaces */
251 	int			nifaces; /* number of interfaces */
252 };
253 
254 /* Match codes. */
255 #define UMATCH_HIGHEST					15
256 /* First five codes is for a whole device. */
257 #define UMATCH_VENDOR_PRODUCT_REV			14
258 #define UMATCH_VENDOR_PRODUCT				13
259 #define UMATCH_VENDOR_DEVCLASS_DEVPROTO			12
260 #define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO		11
261 #define UMATCH_DEVCLASS_DEVSUBCLASS			10
262 /* Next six codes are for interfaces. */
263 #define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE		 9
264 #define UMATCH_VENDOR_PRODUCT_CONF_IFACE		 8
265 #define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO		 7
266 #define UMATCH_VENDOR_IFACESUBCLASS			 6
267 #define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO	 5
268 #define UMATCH_IFACECLASS_IFACESUBCLASS			 4
269 #define UMATCH_IFACECLASS				 3
270 #define UMATCH_IFACECLASS_GENERIC			 2
271 /* Generic driver */
272 #define UMATCH_GENERIC					 1
273 /* No match */
274 #define UMATCH_NONE					 0
275 
276 /* XXX Perhaps USB should have its own levels? */
277 #define splusb splsoftnet
278 #define splhardusb splbio
279 #define IPL_USB IPL_BIO
280 #define splsoftusb splusb
281 #define IPL_SOFTUSB IPL_SOFTNET
282 #define IPL_HARDUSB IPL_USB
283 
284 
285 #endif /* _USBDI_H_ */
286