xref: /netbsd/sys/dev/usb/usbdi.h (revision bf9ec67e)
1 /*	$NetBSD: usbdi.h,v 1.61 2002/02/11 15:20:23 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,	/* 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 #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 void usbd_clear_endpoint_toggle(usbd_pipe_handle pipe);
120 usbd_status usbd_endpoint_count(usbd_interface_handle dev, u_int8_t *count);
121 usbd_status usbd_interface_count(usbd_device_handle dev, u_int8_t *count);
122 void usbd_interface2device_handle(usbd_interface_handle iface,
123 					 usbd_device_handle *dev);
124 usbd_status usbd_device2interface_handle(usbd_device_handle dev,
125 			      u_int8_t ifaceno, usbd_interface_handle *iface);
126 
127 usbd_device_handle usbd_pipe2device_handle(usbd_pipe_handle);
128 void *usbd_alloc_buffer(usbd_xfer_handle xfer, u_int32_t size);
129 void usbd_free_buffer(usbd_xfer_handle xfer);
130 void *usbd_get_buffer(usbd_xfer_handle xfer);
131 usbd_status usbd_sync_transfer(usbd_xfer_handle req);
132 usbd_status usbd_open_pipe_intr(usbd_interface_handle iface, u_int8_t address,
133 				u_int8_t flags, usbd_pipe_handle *pipe,
134 				usbd_private_handle priv, void *buffer,
135 				u_int32_t length, usbd_callback, int);
136 usbd_status usbd_do_request(usbd_device_handle pipe, usb_device_request_t *req,
137 			    void *data);
138 usbd_status usbd_do_request_async(usbd_device_handle pipe,
139 				  usb_device_request_t *req, void *data);
140 usbd_status usbd_do_request_flags(usbd_device_handle pipe,
141 				  usb_device_request_t *req,
142 				  void *data, u_int16_t flags, int*, u_int32_t);
143 usbd_status usbd_do_request_flags_pipe(
144 	usbd_device_handle dev, usbd_pipe_handle pipe,
145 	usb_device_request_t *req, void *data, u_int16_t flags, int *actlen,
146 	u_int32_t);
147 usb_interface_descriptor_t *usbd_get_interface_descriptor
148 				(usbd_interface_handle iface);
149 usb_config_descriptor_t *usbd_get_config_descriptor(usbd_device_handle dev);
150 usb_device_descriptor_t *usbd_get_device_descriptor(usbd_device_handle dev);
151 usbd_status usbd_set_interface(usbd_interface_handle, int);
152 int usbd_get_no_alts(usb_config_descriptor_t *, int);
153 usbd_status  usbd_get_interface(usbd_interface_handle iface, u_int8_t *aiface);
154 void usbd_fill_deviceinfo(usbd_device_handle, struct usb_device_info *, int);
155 int usbd_get_interface_altindex(usbd_interface_handle iface);
156 
157 usb_interface_descriptor_t *usbd_find_idesc(usb_config_descriptor_t *cd,
158 					    int iindex, int ano);
159 usb_endpoint_descriptor_t *usbd_find_edesc(usb_config_descriptor_t *cd,
160 					   int ifaceidx, int altidx,
161 					   int endptidx);
162 
163 void usbd_dopoll(usbd_interface_handle);
164 void usbd_set_polling(usbd_device_handle iface, int on);
165 
166 const char *usbd_errstr(usbd_status err);
167 
168 void usbd_add_dev_event(int, usbd_device_handle);
169 void usbd_add_drv_event(int, usbd_device_handle, device_ptr_t);
170 
171 void usbd_devinfo(usbd_device_handle, int, char *);
172 const struct usbd_quirks *usbd_get_quirks(usbd_device_handle);
173 usb_endpoint_descriptor_t *usbd_get_endpoint_descriptor
174 			(usbd_interface_handle iface, u_int8_t address);
175 
176 usbd_status usbd_reload_device_desc(usbd_device_handle);
177 
178 int usbd_ratecheck(struct timeval *last);
179 
180 /*
181  * The usb_task structs form a queue of things to run in the USB event
182  * thread.  Normally this is just device discovery when a connect/disconnect
183  * has been detected.  But it may also be used by drivers that need to
184  * perform (short) tasks that must have a process context.
185  */
186 struct usb_task {
187 	TAILQ_ENTRY(usb_task) next;
188 	void (*fun)(void *);
189 	void *arg;
190 	char onqueue;
191 };
192 
193 void usb_add_task(usbd_device_handle dev, struct usb_task *task);
194 void usb_rem_task(usbd_device_handle dev, struct usb_task *task);
195 #define usb_init_task(t, f, a) ((t)->fun = (f), (t)->arg = (a), (t)->onqueue = 0)
196 
197 struct usb_devno {
198 	u_int16_t ud_vendor;
199 	u_int16_t ud_product;
200 };
201 const struct usb_devno *usb_match_device(const struct usb_devno *tbl,
202 	u_int nentries, u_int sz, u_int16_t vendor, u_int16_t product);
203 #define usb_lookup(tbl, vendor, product) \
204 	usb_match_device((const struct usb_devno *)(tbl), sizeof (tbl) / sizeof ((tbl)[0]), sizeof ((tbl)[0]), (vendor), (product))
205 #define	USB_PRODUCT_ANY		0xffff
206 
207 /* NetBSD attachment information */
208 
209 /* Attach data */
210 struct usb_attach_arg {
211 	int			port;
212 	int			configno;
213 	int			ifaceno;
214 	int			vendor;
215 	int			product;
216 	int			release;
217 	int			matchlvl;
218 	usbd_device_handle	device;	/* current device */
219 	usbd_interface_handle	iface; /* current interface */
220 	int			usegeneric;
221 	usbd_interface_handle  *ifaces;	/* all interfaces */
222 	int			nifaces; /* number of interfaces */
223 };
224 
225 #if defined(__NetBSD__) || defined(__OpenBSD__)
226 /* Match codes. */
227 /* First five codes is for a whole device. */
228 #define UMATCH_VENDOR_PRODUCT_REV			14
229 #define UMATCH_VENDOR_PRODUCT				13
230 #define UMATCH_VENDOR_DEVCLASS_DEVPROTO			12
231 #define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO		11
232 #define UMATCH_DEVCLASS_DEVSUBCLASS			10
233 /* Next six codes are for interfaces. */
234 #define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE		 9
235 #define UMATCH_VENDOR_PRODUCT_CONF_IFACE		 8
236 #define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO		 7
237 #define UMATCH_VENDOR_IFACESUBCLASS			 6
238 #define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO	 5
239 #define UMATCH_IFACECLASS_IFACESUBCLASS			 4
240 #define UMATCH_IFACECLASS				 3
241 #define UMATCH_IFACECLASS_GENERIC			 2
242 /* Generic driver */
243 #define UMATCH_GENERIC					 1
244 /* No match */
245 #define UMATCH_NONE					 0
246 
247 #elif defined(__FreeBSD__)
248 /* FreeBSD needs values less than zero */
249 #define UMATCH_VENDOR_PRODUCT_REV			(-10)
250 #define UMATCH_VENDOR_PRODUCT				(-20)
251 #define UMATCH_VENDOR_DEVCLASS_DEVPROTO			(-30)
252 #define UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO		(-40)
253 #define UMATCH_DEVCLASS_DEVSUBCLASS			(-50)
254 #define UMATCH_VENDOR_PRODUCT_REV_CONF_IFACE		(-60)
255 #define UMATCH_VENDOR_PRODUCT_CONF_IFACE		(-70)
256 #define UMATCH_VENDOR_IFACESUBCLASS_IFACEPROTO		(-80)
257 #define UMATCH_VENDOR_IFACESUBCLASS			(-90)
258 #define UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO	(-100)
259 #define UMATCH_IFACECLASS_IFACESUBCLASS			(-110)
260 #define UMATCH_IFACECLASS				(-120)
261 #define UMATCH_IFACECLASS_GENERIC			(-130)
262 #define UMATCH_GENERIC					(-140)
263 #define UMATCH_NONE					(ENXIO)
264 
265 #endif
266 
267 #if defined(__FreeBSD__)
268 int usbd_driver_load(module_t mod, int what, void *arg);
269 #endif
270 
271 /* XXX Perhaps USB should have its own levels? */
272 #ifdef USB_USE_SOFTINTR
273 #ifdef __HAVE_GENERIC_SOFT_INTERRUPTS
274 #define splusb splsoftnet
275 #else
276 #define	splusb splsoftclock
277 #endif /* __HAVE_GENERIC_SOFT_INTERRUPTS */
278 #else
279 #define splusb splbio
280 #endif /* USB_USE_SOFTINTR */
281 #define splhardusb splbio
282 #define IPL_USB IPL_BIO
283