xref: /freebsd/sys/dev/usb/usbdi.h (revision 63d45d7da0eac8efdeb765ac5caddfc2c5ca021e)
1 /*	$NetBSD: usbdi.h,v 1.64 2004/10/23 13:26:34 augustss Exp $	*/
2 /*	$FreeBSD$	*/
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  * 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 typedef struct usbd_bus		*usbd_bus_handle;
42 typedef struct usbd_device	*usbd_device_handle;
43 typedef struct usbd_interface	*usbd_interface_handle;
44 typedef struct usbd_pipe	*usbd_pipe_handle;
45 typedef struct usbd_xfer	*usbd_xfer_handle;
46 typedef void			*usbd_private_handle;
47 
48 typedef enum {		/* keep in sync with usbd_status_msgs */
49 	USBD_NORMAL_COMPLETION = 0, /* must be 0 */
50 	USBD_IN_PROGRESS,	/* 1 */
51 	/* errors */
52 	USBD_PENDING_REQUESTS,	/* 2 */
53 	USBD_NOT_STARTED,	/* 3 */
54 	USBD_INVAL,		/* 4 */
55 	USBD_NOMEM,		/* 5 */
56 	USBD_CANCELLED,		/* 6 */
57 	USBD_BAD_ADDRESS,	/* 7 */
58 	USBD_IN_USE,		/* 8 */
59 	USBD_NO_ADDR,		/* 9 */
60 	USBD_SET_ADDR_FAILED,	/* 10 */
61 	USBD_NO_POWER,		/* 11 */
62 	USBD_TOO_DEEP,		/* 12 */
63 	USBD_IOERROR,		/* 13 */
64 	USBD_NOT_CONFIGURED,	/* 14 */
65 	USBD_TIMEOUT,		/* 15 */
66 	USBD_SHORT_XFER,	/* 16 */
67 	USBD_STALLED,		/* 17 */
68 	USBD_INTERRUPTED,	/* 18 */
69 
70 	USBD_ERROR_MAX		/* must be last */
71 } usbd_status;
72 
73 typedef void (*usbd_callback)(usbd_xfer_handle, usbd_private_handle,
74 			      usbd_status);
75 
76 /* Open flags */
77 #define USBD_EXCLUSIVE_USE	0x01
78 
79 /* Use default (specified by ep. desc.) interval on interrupt pipe */
80 #define USBD_DEFAULT_INTERVAL	(-1)
81 
82 /* Request flags */
83 #define USBD_NO_COPY		0x01	/* do not copy data to DMA buffer */
84 #define USBD_SYNCHRONOUS	0x02	/* wait for completion */
85 /* in usb.h #define USBD_SHORT_XFER_OK	0x04*/	/* allow short reads */
86 #define USBD_FORCE_SHORT_XFER	0x08	/* force last short packet on write */
87 
88 #define USBD_NO_TIMEOUT 0
89 #define USBD_DEFAULT_TIMEOUT 5000 /* ms = 5 s */
90 
91 usbd_status usbd_open_pipe(usbd_interface_handle, u_int8_t,
92 			   u_int8_t, usbd_pipe_handle *);
93 usbd_status usbd_close_pipe(usbd_pipe_handle);
94 usbd_status usbd_transfer(usbd_xfer_handle);
95 usbd_xfer_handle usbd_alloc_xfer(usbd_device_handle);
96 usbd_status usbd_free_xfer(usbd_xfer_handle);
97 void usbd_setup_xfer(usbd_xfer_handle, usbd_pipe_handle,
98 		     usbd_private_handle, void *,
99 		     u_int32_t, u_int16_t, u_int32_t,
100 		     usbd_callback);
101 void usbd_setup_default_xfer(usbd_xfer_handle, usbd_device_handle,
102 			     usbd_private_handle, u_int32_t,
103 			     usb_device_request_t *, void *,
104 			     u_int32_t, u_int16_t, usbd_callback);
105 void usbd_setup_isoc_xfer(usbd_xfer_handle, usbd_pipe_handle,
106 			  usbd_private_handle, u_int16_t *,
107 			  u_int32_t, u_int16_t, usbd_callback);
108 void usbd_get_xfer_status(usbd_xfer_handle, usbd_private_handle *,
109 			  void **, u_int32_t *, usbd_status *);
110 usb_endpoint_descriptor_t *usbd_interface2endpoint_descriptor
111 			(usbd_interface_handle, u_int8_t);
112 usbd_status usbd_abort_pipe(usbd_pipe_handle);
113 usbd_status usbd_abort_default_pipe(usbd_device_handle);
114 usbd_status usbd_clear_endpoint_stall(usbd_pipe_handle);
115 usbd_status usbd_clear_endpoint_stall_async(usbd_pipe_handle);
116 void usbd_clear_endpoint_toggle(usbd_pipe_handle);
117 usbd_status usbd_endpoint_count(usbd_interface_handle, u_int8_t *);
118 usbd_status usbd_interface_count(usbd_device_handle, u_int8_t *);
119 void usbd_interface2device_handle(usbd_interface_handle,
120 					 usbd_device_handle *);
121 usbd_status usbd_device2interface_handle(usbd_device_handle,
122 			      u_int8_t, usbd_interface_handle *);
123 
124 usbd_device_handle usbd_pipe2device_handle(usbd_pipe_handle);
125 void *usbd_alloc_buffer(usbd_xfer_handle, u_int32_t);
126 void usbd_free_buffer(usbd_xfer_handle);
127 void *usbd_get_buffer(usbd_xfer_handle);
128 usbd_status usbd_sync_transfer(usbd_xfer_handle);
129 usbd_status usbd_open_pipe_intr(usbd_interface_handle, u_int8_t,
130 				u_int8_t, usbd_pipe_handle *,
131 				usbd_private_handle, void *,
132 				u_int32_t, usbd_callback, int);
133 usbd_status usbd_do_request(usbd_device_handle, usb_device_request_t *, void *);
134 usbd_status usbd_do_request_async(usbd_device_handle,
135 				  usb_device_request_t *, void *);
136 usbd_status usbd_do_request_flags(usbd_device_handle, usb_device_request_t *,
137 				  void *, u_int16_t, int*, u_int32_t);
138 usbd_status usbd_do_request_flags_pipe(usbd_device_handle, usbd_pipe_handle,
139 	usb_device_request_t *, void *, u_int16_t, int *, u_int32_t);
140 usb_interface_descriptor_t *usbd_get_interface_descriptor
141 				(usbd_interface_handle);
142 usb_config_descriptor_t *usbd_get_config_descriptor(usbd_device_handle);
143 usb_device_descriptor_t *usbd_get_device_descriptor(usbd_device_handle);
144 int usbd_get_speed(usbd_device_handle);
145 usbd_status usbd_set_interface(usbd_interface_handle, int);
146 int usbd_get_no_alts(usb_config_descriptor_t *, int);
147 usbd_status  usbd_get_interface(usbd_interface_handle, u_int8_t *);
148 void usbd_fill_deviceinfo(usbd_device_handle, struct usb_device_info *, int);
149 int usbd_get_interface_altindex(usbd_interface_handle);
150 
151 usb_interface_descriptor_t *usbd_find_idesc(usb_config_descriptor_t *,
152 					    int, int);
153 usb_endpoint_descriptor_t *usbd_find_edesc(usb_config_descriptor_t *,
154 					   int, int, int);
155 
156 void usbd_dopoll(usbd_interface_handle);
157 void usbd_set_polling(usbd_device_handle, int);
158 
159 const char *usbd_errstr(usbd_status);
160 
161 void usbd_add_dev_event(int, usbd_device_handle);
162 void usbd_add_drv_event(int, usbd_device_handle, device_ptr_t);
163 
164 void usbd_devinfo(usbd_device_handle, int, char *);
165 const struct usbd_quirks *usbd_get_quirks(usbd_device_handle);
166 usb_endpoint_descriptor_t *usbd_get_endpoint_descriptor
167 			(usbd_interface_handle, u_int8_t);
168 
169 usbd_status usbd_reload_device_desc(usbd_device_handle);
170 
171 int usbd_ratecheck(struct timeval *last);
172 
173 usbd_status usbd_get_string(usbd_device_handle dev, int si, char *buf);
174 
175 /* An iterator for descriptors. */
176 typedef struct {
177 	const uByte *cur;
178 	const uByte *end;
179 } usbd_desc_iter_t;
180 void usb_desc_iter_init(usbd_device_handle dev, usbd_desc_iter_t *iter);
181 const usb_descriptor_t *usb_desc_iter_next(usbd_desc_iter_t *iter);
182 
183 /*
184  * The usb_task structs form a queue of things to run in the USB event
185  * thread.  Normally this is just device discovery when a connect/disconnect
186  * has been detected.  But it may also be used by drivers that need to
187  * perform (short) tasks that must have a process context.
188  */
189 struct usb_task {
190 	TAILQ_ENTRY(usb_task) next;
191 	void (*fun)(void *);
192 	void *arg;
193 	char onqueue;
194 };
195 
196 void usb_add_task(usbd_device_handle, struct usb_task *);
197 void usb_rem_task(usbd_device_handle, struct usb_task *);
198 #define usb_init_task(t, f, a) ((t)->fun = (f), (t)->arg = (a), (t)->onqueue = 0)
199 
200 struct usb_devno {
201 	u_int16_t ud_vendor;
202 	u_int16_t ud_product;
203 };
204 const struct usb_devno *usb_match_device(const struct usb_devno *,
205 	u_int, u_int, u_int16_t, u_int16_t);
206 #define usb_lookup(tbl, vendor, product) \
207 	usb_match_device((const struct usb_devno *)(tbl), sizeof (tbl) / sizeof ((tbl)[0]), sizeof ((tbl)[0]), (vendor), (product))
208 #define	USB_PRODUCT_ANY		0xffff
209 
210 /* NetBSD attachment information */
211 
212 /* Attach data */
213 struct usb_attach_arg {
214 	int			port;
215 	int			configno;
216 	int			ifaceno;
217 	int			vendor;
218 	int			product;
219 	int			release;
220 	int			matchlvl;
221 	usbd_device_handle	device;	/* current device */
222 	usbd_interface_handle	iface; /* current interface */
223 	int			usegeneric;
224 	usbd_interface_handle  *ifaces;	/* all interfaces */
225 	int			nifaces; /* number of interfaces */
226 };
227 
228 #if defined(__NetBSD__) || defined(__OpenBSD__)
229 /* Match codes. */
230 /* First five codes is for a whole device. */
231 #define UMATCH_VENDOR_PRODUCT_REV			14
232 #define UMATCH_VENDOR_PRODUCT				13
233 #define UMATCH_VENDOR_DEVCLASS_DEVPROTO			12
234 #define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO		11
235 #define UMATCH_DEVCLASS_DEVSUBCLASS			10
236 /* Next six codes are for interfaces. */
237 #define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE		 9
238 #define UMATCH_VENDOR_PRODUCT_CONF_IFACE		 8
239 #define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO		 7
240 #define UMATCH_VENDOR_IFACESUBCLASS			 6
241 #define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO	 5
242 #define UMATCH_IFACECLASS_IFACESUBCLASS			 4
243 #define UMATCH_IFACECLASS				 3
244 #define UMATCH_IFACECLASS_GENERIC			 2
245 /* Generic driver */
246 #define UMATCH_GENERIC					 1
247 /* No match */
248 #define UMATCH_NONE					 0
249 
250 #elif defined(__FreeBSD__)
251 /* FreeBSD needs values less than zero */
252 #define UMATCH_VENDOR_PRODUCT_REV			(-10)
253 #define UMATCH_VENDOR_PRODUCT				(-20)
254 #define UMATCH_VENDOR_DEVCLASS_DEVPROTO			(-30)
255 #define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO		(-40)
256 #define UMATCH_DEVCLASS_DEVSUBCLASS			(-50)
257 #define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE		(-60)
258 #define UMATCH_VENDOR_PRODUCT_CONF_IFACE		(-70)
259 #define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO		(-80)
260 #define UMATCH_VENDOR_IFACESUBCLASS			(-90)
261 #define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO	(-100)
262 #define UMATCH_IFACECLASS_IFACESUBCLASS			(-110)
263 #define UMATCH_IFACECLASS				(-120)
264 #define UMATCH_IFACECLASS_GENERIC			(-130)
265 #define UMATCH_GENERIC					(-140)
266 #define UMATCH_NONE					(ENXIO)
267 
268 #endif
269 
270 #define USBD_SHOW_DEVICE_CLASS		0x1
271 #define USBD_SHOW_INTERFACE_CLASS	0x2
272 
273 #if defined(__FreeBSD__)
274 int usbd_driver_load(module_t mod, int what, void *arg);
275 #endif
276 
277 /* XXX Perhaps USB should have its own levels? */
278 #ifdef USB_USE_SOFTINTR
279 #ifdef __HAVE_GENERIC_SOFT_INTERRUPTS
280 #define splusb splsoftnet
281 #else
282 #define	splusb splsoftclock
283 #endif /* __HAVE_GENERIC_SOFT_INTERRUPTS */
284 #else
285 #define splusb splbio
286 #endif /* USB_USE_SOFTINTR */
287 #define splhardusb splbio
288 #define IPL_USB IPL_BIO
289