xref: /freebsd/sys/dev/usb/usbdi.h (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
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 #ifndef _USBDI_H_
42 #define _USBDI_H_
43 
44 typedef struct usbd_bus		*usbd_bus_handle;
45 typedef struct usbd_device	*usbd_device_handle;
46 typedef struct usbd_interface	*usbd_interface_handle;
47 typedef struct usbd_pipe	*usbd_pipe_handle;
48 typedef struct usbd_xfer	*usbd_xfer_handle;
49 typedef void			*usbd_private_handle;
50 
51 typedef enum {		/* keep in sync with usbd_status_msgs */
52 	USBD_NORMAL_COMPLETION = 0, /* must be 0 */
53 	USBD_IN_PROGRESS,	/* 1 */
54 	/* errors */
55 	USBD_PENDING_REQUESTS,	/* 2 */
56 	USBD_NOT_STARTED,	/* 3 */
57 	USBD_INVAL,		/* 4 */
58 	USBD_NOMEM,		/* 5 */
59 	USBD_CANCELLED,		/* 6 */
60 	USBD_BAD_ADDRESS,	/* 7 */
61 	USBD_IN_USE,		/* 8 */
62 	USBD_NO_ADDR,		/* 9 */
63 	USBD_SET_ADDR_FAILED,	/* 10 */
64 	USBD_NO_POWER,		/* 11 */
65 	USBD_TOO_DEEP,		/* 12 */
66 	USBD_IOERROR,		/* 13 */
67 	USBD_NOT_CONFIGURED,	/* 14 */
68 	USBD_TIMEOUT,		/* 15 */
69 	USBD_SHORT_XFER,	/* 16 */
70 	USBD_STALLED,		/* 17 */
71 	USBD_INTERRUPTED,	/* 18 */
72 
73 	USBD_ERROR_MAX		/* must be last */
74 } usbd_status;
75 
76 typedef void (*usbd_callback)(usbd_xfer_handle, usbd_private_handle,
77 			      usbd_status);
78 
79 /* Open flags */
80 #define USBD_EXCLUSIVE_USE	0x01
81 
82 /* Use default (specified by ep. desc.) interval on interrupt pipe */
83 #define USBD_DEFAULT_INTERVAL	(-1)
84 
85 /* Request flags */
86 #define USBD_NO_COPY		0x01	/* do not copy data to DMA buffer */
87 #define USBD_SYNCHRONOUS	0x02	/* wait for completion */
88 /* in usb.h #define USBD_SHORT_XFER_OK	0x04*/	/* allow short reads */
89 #define USBD_FORCE_SHORT_XFER	0x08	/* force last short packet on write */
90 
91 #define USBD_NO_TIMEOUT 0
92 #define USBD_DEFAULT_TIMEOUT 5000 /* ms = 5 s */
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 int usbd_get_speed(usbd_device_handle);
148 usbd_status usbd_set_interface(usbd_interface_handle, int);
149 int usbd_get_no_alts(usb_config_descriptor_t *, int);
150 usbd_status  usbd_get_interface(usbd_interface_handle, u_int8_t *);
151 void usbd_fill_deviceinfo(usbd_device_handle, struct usb_device_info *, int);
152 int usbd_get_interface_altindex(usbd_interface_handle);
153 
154 usb_interface_descriptor_t *usbd_find_idesc(usb_config_descriptor_t *,
155 					    int, int);
156 usb_endpoint_descriptor_t *usbd_find_edesc(usb_config_descriptor_t *,
157 					   int, int, int);
158 
159 void usbd_dopoll(usbd_interface_handle);
160 void usbd_set_polling(usbd_device_handle, int);
161 
162 const char *usbd_errstr(usbd_status);
163 
164 void usbd_add_dev_event(int, usbd_device_handle);
165 void usbd_add_drv_event(int, usbd_device_handle, device_t);
166 
167 void usbd_devinfo(usbd_device_handle, int, char *);
168 const struct usbd_quirks *usbd_get_quirks(usbd_device_handle);
169 usb_endpoint_descriptor_t *usbd_get_endpoint_descriptor
170 			(usbd_interface_handle, u_int8_t);
171 
172 usbd_status usbd_reload_device_desc(usbd_device_handle);
173 
174 int usbd_ratecheck(struct timeval *last);
175 
176 usbd_status usbd_get_string(usbd_device_handle dev, int si, char *buf,
177     size_t len);
178 
179 /* An iterator for descriptors. */
180 typedef struct {
181 	const uByte *cur;
182 	const uByte *end;
183 } usbd_desc_iter_t;
184 void usb_desc_iter_init(usbd_device_handle dev, usbd_desc_iter_t *iter);
185 const usb_descriptor_t *usb_desc_iter_next(usbd_desc_iter_t *iter);
186 
187 /*
188  * The usb_task structs form a queue of things to run in the USB event
189  * thread.  Normally this is just device discovery when a connect/disconnect
190  * has been detected.  But it may also be used by drivers that need to
191  * perform (short) tasks that must have a process context.
192  */
193 struct usb_task {
194 	TAILQ_ENTRY(usb_task) next;
195 	void (*fun)(void *);
196 	void *arg;
197 	int queue;
198 };
199 #define USB_TASKQ_HC		0
200 #define USB_TASKQ_DRIVER	1
201 #define USB_NUM_TASKQS		2
202 #define USB_TASKQ_NAMES		{"usbtask-hc", "usbtask-dr"}
203 
204 void usb_add_task(usbd_device_handle, struct usb_task *, int queue);
205 void usb_rem_task(usbd_device_handle, struct usb_task *);
206 #define usb_init_task(t, f, a) ((t)->fun = (f), (t)->arg = (a), (t)->queue = -1)
207 
208 struct usb_devno {
209 	u_int16_t ud_vendor;
210 	u_int16_t ud_product;
211 };
212 const struct usb_devno *usb_match_device(const struct usb_devno *,
213 	u_int, u_int, u_int16_t, u_int16_t);
214 #define usb_lookup(tbl, vendor, product) \
215 	usb_match_device((const struct usb_devno *)(tbl), sizeof (tbl) / sizeof ((tbl)[0]), sizeof ((tbl)[0]), (vendor), (product))
216 #define	USB_PRODUCT_ANY		0xffff
217 
218 /* NetBSD attachment information */
219 
220 /* Attach data */
221 struct usb_attach_arg {
222 	int			port;
223 	int			configno;
224 	int			ifaceno;
225 	int			vendor;
226 	int			product;
227 	int			release;
228 	int			matchlvl;
229 	usbd_device_handle	device;	/* current device */
230 	usbd_interface_handle	iface; /* current interface */
231 	int			usegeneric;
232 	usbd_interface_handle  *ifaces;	/* all interfaces */
233 	int			nifaces; /* number of interfaces */
234 };
235 
236 /* FreeBSD needs values less than zero */
237 #define UMATCH_VENDOR_PRODUCT_REV			(-10)
238 #define UMATCH_VENDOR_PRODUCT				(-20)
239 #define UMATCH_VENDOR_DEVCLASS_DEVPROTO			(-30)
240 #define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO		(-40)
241 #define UMATCH_DEVCLASS_DEVSUBCLASS			(-50)
242 #define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE		(-60)
243 #define UMATCH_VENDOR_PRODUCT_CONF_IFACE		(-70)
244 #define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO		(-80)
245 #define UMATCH_VENDOR_IFACESUBCLASS			(-90)
246 #define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO	(-100)
247 #define UMATCH_IFACECLASS_IFACESUBCLASS			(-110)
248 #define UMATCH_IFACECLASS				(-120)
249 #define UMATCH_IFACECLASS_GENERIC			(-130)
250 #define UMATCH_GENERIC					(-140)
251 #define UMATCH_NONE					(ENXIO)
252 
253 #define USBD_SHOW_DEVICE_CLASS		0x1
254 #define USBD_SHOW_INTERFACE_CLASS	0x2
255 
256 int usbd_driver_load(module_t mod, int what, void *arg);
257 
258 static inline int
259 usb_get_port(device_t dev)
260 {
261 	struct usb_attach_arg *uap = device_get_ivars(dev);
262 	return (uap->port);
263 }
264 
265 static inline struct usbd_interface *
266 usb_get_iface(device_t dev)
267 {
268 	struct usb_attach_arg *uap = device_get_ivars(dev);
269 	return (uap->iface);
270 }
271 
272 /* XXX Perhaps USB should have its own levels? */
273 #ifdef USB_USE_SOFTINTR
274 #ifdef __HAVE_GENERIC_SOFT_INTERRUPTS
275 #define splusb splsoftnet
276 #else
277 #define	splusb splsoftclock
278 #endif /* __HAVE_GENERIC_SOFT_INTERRUPTS */
279 #else
280 #define splusb splbio
281 #endif /* USB_USE_SOFTINTR */
282 #define splhardusb splbio
283 #define IPL_USB IPL_BIO
284 
285 #endif /* _USBDI_H_ */
286