xref: /netbsd-src/sys/dev/usb/usbdi.h (revision 220b5c059a84c51ea44107ea8951a57ffaecdc8c)
1 /*	$NetBSD: usbdi.h,v 1.56 2001/12/03 01:47:12 augustss 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  * 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,
51 	/* errors */
52 	USBD_PENDING_REQUESTS,
53 	USBD_NOT_STARTED,
54 	USBD_INVAL,
55 	USBD_NOMEM,
56 	USBD_CANCELLED,
57 	USBD_BAD_ADDRESS,
58 	USBD_IN_USE,
59 	USBD_NO_ADDR,
60 	USBD_SET_ADDR_FAILED,
61 	USBD_NO_POWER,
62 	USBD_TOO_DEEP,
63 	USBD_IOERROR,
64 	USBD_NOT_CONFIGURED,
65 	USBD_TIMEOUT,
66 	USBD_SHORT_XFER,
67 	USBD_STALLED,
68 	USBD_INTERRUPTED,
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 #if defined(__FreeBSD__)
92 #define USB_CDEV_MAJOR 108
93 #endif
94 
95 usbd_status usbd_open_pipe(usbd_interface_handle iface, u_int8_t address,
96 			   u_int8_t flags, usbd_pipe_handle *pipe);
97 usbd_status usbd_close_pipe(usbd_pipe_handle pipe);
98 usbd_status usbd_transfer(usbd_xfer_handle req);
99 usbd_xfer_handle usbd_alloc_xfer(usbd_device_handle);
100 usbd_status usbd_free_xfer(usbd_xfer_handle xfer);
101 void usbd_setup_xfer(usbd_xfer_handle xfer, usbd_pipe_handle pipe,
102 		     usbd_private_handle priv, void *buffer,
103 		     u_int32_t length, u_int16_t flags, u_int32_t timeout,
104 		     usbd_callback);
105 void usbd_setup_default_xfer(usbd_xfer_handle xfer, usbd_device_handle dev,
106 			     usbd_private_handle priv, u_int32_t timeout,
107 			     usb_device_request_t *req, void *buffer,
108 			     u_int32_t length, u_int16_t flags, usbd_callback);
109 void usbd_setup_isoc_xfer(usbd_xfer_handle xfer, usbd_pipe_handle pipe,
110 			  usbd_private_handle priv, u_int16_t *frlengths,
111 			  u_int32_t nframes, u_int16_t flags, usbd_callback);
112 void usbd_get_xfer_status(usbd_xfer_handle xfer, usbd_private_handle *priv,
113 			  void **buffer, u_int32_t *count, usbd_status *status);
114 usb_endpoint_descriptor_t *usbd_interface2endpoint_descriptor
115 			(usbd_interface_handle iface, u_int8_t address);
116 usbd_status usbd_abort_pipe(usbd_pipe_handle pipe);
117 usbd_status usbd_clear_endpoint_stall(usbd_pipe_handle pipe);
118 usbd_status usbd_clear_endpoint_stall_async(usbd_pipe_handle pipe);
119 usbd_status usbd_endpoint_count(usbd_interface_handle dev, u_int8_t *count);
120 usbd_status usbd_interface_count(usbd_device_handle dev, u_int8_t *count);
121 void usbd_interface2device_handle(usbd_interface_handle iface,
122 					 usbd_device_handle *dev);
123 usbd_status usbd_device2interface_handle(usbd_device_handle dev,
124 			      u_int8_t ifaceno, usbd_interface_handle *iface);
125 
126 usbd_device_handle usbd_pipe2device_handle(usbd_pipe_handle);
127 void *usbd_alloc_buffer(usbd_xfer_handle req, u_int32_t size);
128 void usbd_free_buffer(usbd_xfer_handle req);
129 void *usbd_get_buffer(usbd_xfer_handle xfer);
130 usbd_status usbd_sync_transfer(usbd_xfer_handle req);
131 usbd_status usbd_open_pipe_intr(usbd_interface_handle iface, u_int8_t address,
132 				u_int8_t flags, usbd_pipe_handle *pipe,
133 				usbd_private_handle priv, void *buffer,
134 				u_int32_t length, usbd_callback, int);
135 usbd_status usbd_do_request(usbd_device_handle pipe, usb_device_request_t *req,
136 			    void *data);
137 usbd_status usbd_do_request_async(usbd_device_handle pipe,
138 				  usb_device_request_t *req, void *data);
139 usbd_status usbd_do_request_flags(usbd_device_handle pipe,
140 				  usb_device_request_t *req,
141 				  void *data, u_int16_t flags, int *);
142 usbd_status usbd_do_request_flags_pipe(
143 	usbd_device_handle dev, usbd_pipe_handle pipe,
144 	usb_device_request_t *req, void *data, u_int16_t flags, int *actlen);
145 usb_interface_descriptor_t *usbd_get_interface_descriptor
146 				(usbd_interface_handle iface);
147 usb_config_descriptor_t *usbd_get_config_descriptor(usbd_device_handle dev);
148 usb_device_descriptor_t *usbd_get_device_descriptor(usbd_device_handle dev);
149 usbd_status usbd_set_interface(usbd_interface_handle, int);
150 int usbd_get_no_alts(usb_config_descriptor_t *, int);
151 usbd_status  usbd_get_interface(usbd_interface_handle iface, u_int8_t *aiface);
152 void usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di, int);
153 int usbd_get_interface_altindex(usbd_interface_handle iface);
154 
155 usb_interface_descriptor_t *usbd_find_idesc(usb_config_descriptor_t *cd,
156 					    int iindex, int ano);
157 usb_endpoint_descriptor_t *usbd_find_edesc(usb_config_descriptor_t *cd,
158 					   int ifaceidx, int altidx,
159 					   int endptidx);
160 
161 void usbd_dopoll(usbd_interface_handle);
162 void usbd_set_polling(usbd_device_handle iface, int on);
163 
164 const char *usbd_errstr(usbd_status err);
165 
166 void usbd_add_dev_event(int, usbd_device_handle);
167 void usbd_add_drv_event(int, usbd_device_handle, device_ptr_t);
168 
169 void usbd_devinfo(usbd_device_handle, int, char *);
170 const struct usbd_quirks *usbd_get_quirks(usbd_device_handle);
171 usb_endpoint_descriptor_t *usbd_get_endpoint_descriptor
172 			(usbd_interface_handle iface, u_int8_t address);
173 
174 usbd_status usbd_reload_device_desc(usbd_device_handle);
175 
176 int usbd_ratecheck(struct timeval *last);
177 
178 /*
179  * The usb_task structs form a queue of things to run in the USB event
180  * thread.  Normally this is just device discovery when a connect/disconnect
181  * has been detected.  But it may also be used by drivers that need to
182  * perform (short) tasks that must have a process context.
183  */
184 struct usb_task {
185 	TAILQ_ENTRY(usb_task) next;
186 	void (*fun)(void *);
187 	void *arg;
188 	char onqueue;
189 };
190 
191 void usb_add_task(usbd_device_handle dev, struct usb_task *task);
192 void usb_rem_task(usbd_device_handle dev, struct usb_task *task);
193 #define usb_init_task(t, f, a) ((t)->fun = (f), (t)->arg = (a), (t)->onqueue = 0)
194 
195 struct usb_devno {
196 	u_int16_t ud_vendor;
197 	u_int16_t ud_product;
198 };
199 const struct usb_devno *usb_match_device(const struct usb_devno *tbl,
200 	u_int nentries, u_int sz, u_int16_t vendor, u_int16_t product);
201 #define usb_lookup(tbl, vendor, product) \
202 	usb_match_device((const struct usb_devno *)(tbl), sizeof (tbl) / sizeof ((tbl)[0]), sizeof ((tbl)[0]), (vendor), (product))
203 
204 /* NetBSD attachment information */
205 
206 /* Attach data */
207 struct usb_attach_arg {
208 	int			port;
209 	int			configno;
210 	int			ifaceno;
211 	int			vendor;
212 	int			product;
213 	int			release;
214 	int			matchlvl;
215 	usbd_device_handle	device;	/* current device */
216 	usbd_interface_handle	iface; /* current interface */
217 	int			usegeneric;
218 	usbd_interface_handle  *ifaces;	/* all interfaces */
219 	int			nifaces; /* number of interfaces */
220 };
221 
222 #if defined(__NetBSD__) || defined(__OpenBSD__)
223 /* Match codes. */
224 /* First five codes is for a whole device. */
225 #define UMATCH_VENDOR_PRODUCT_REV			14
226 #define UMATCH_VENDOR_PRODUCT				13
227 #define UMATCH_VENDOR_DEVCLASS_DEVPROTO			12
228 #define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO		11
229 #define UMATCH_DEVCLASS_DEVSUBCLASS			10
230 /* Next six codes are for interfaces. */
231 #define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE		 9
232 #define UMATCH_VENDOR_PRODUCT_CONF_IFACE		 8
233 #define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO		 7
234 #define UMATCH_VENDOR_IFACESUBCLASS			 6
235 #define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO	 5
236 #define UMATCH_IFACECLASS_IFACESUBCLASS			 4
237 #define UMATCH_IFACECLASS				 3
238 #define UMATCH_IFACECLASS_GENERIC			 2
239 /* Generic driver */
240 #define UMATCH_GENERIC					 1
241 /* No match */
242 #define UMATCH_NONE					 0
243 
244 #elif defined(__FreeBSD__)
245 /* FreeBSD needs values less than zero */
246 #define UMATCH_VENDOR_PRODUCT_REV			(-10)
247 #define UMATCH_VENDOR_PRODUCT				(-20)
248 #define UMATCH_VENDOR_DEVCLASS_DEVPROTO			(-30)
249 #define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO		(-40)
250 #define UMATCH_DEVCLASS_DEVSUBCLASS			(-50)
251 #define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE		(-60)
252 #define UMATCH_VENDOR_PRODUCT_CONF_IFACE		(-70)
253 #define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO		(-80)
254 #define UMATCH_VENDOR_IFACESUBCLASS			(-90)
255 #define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO	(-100)
256 #define UMATCH_IFACECLASS_IFACESUBCLASS			(-110)
257 #define UMATCH_IFACECLASS				(-120)
258 #define UMATCH_IFACECLASS_GENERIC			(-130)
259 #define UMATCH_GENERIC					(-140)
260 #define UMATCH_NONE					(ENXIO)
261 
262 #endif
263 
264 #if defined(__FreeBSD__)
265 int usbd_driver_load(module_t mod, int what, void *arg);
266 #endif
267 
268 /* XXX Perhaps USB should have its own levels? */
269 #ifdef USB_USE_SOFTINTR
270 #ifdef __HAVE_GENERIC_SOFT_INTERRUPTS
271 #define splusb splsoftnet
272 #else
273 #define	splusb splsoftclock
274 #endif /* __HAVE_GENERIC_SOFT_INTERRUPTS */
275 #else
276 #define splusb splbio
277 #endif /* USB_USE_SOFTINTR */
278 #define splhardusb splbio
279 #define IPL_USB IPL_BIO
280