xref: /freebsd/sys/dev/usb/usbdi.h (revision f05cddf9)
1 /*-
2  * Copyright (c) 2009 Andrew Thompson
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23  *
24  * $FreeBSD$
25  */
26 #ifndef _USB_USBDI_H_
27 #define _USB_USBDI_H_
28 
29 struct usb_fifo;
30 struct usb_xfer;
31 struct usb_device;
32 struct usb_attach_arg;
33 struct usb_interface;
34 struct usb_endpoint;
35 struct usb_page_cache;
36 struct usb_page_search;
37 struct usb_process;
38 struct usb_proc_msg;
39 struct usb_mbuf;
40 struct usb_fs_privdata;
41 struct mbuf;
42 
43 typedef enum {	/* keep in sync with usb_errstr_table */
44 	USB_ERR_NORMAL_COMPLETION = 0,
45 	USB_ERR_PENDING_REQUESTS,	/* 1 */
46 	USB_ERR_NOT_STARTED,		/* 2 */
47 	USB_ERR_INVAL,			/* 3 */
48 	USB_ERR_NOMEM,			/* 4 */
49 	USB_ERR_CANCELLED,		/* 5 */
50 	USB_ERR_BAD_ADDRESS,		/* 6 */
51 	USB_ERR_BAD_BUFSIZE,		/* 7 */
52 	USB_ERR_BAD_FLAG,		/* 8 */
53 	USB_ERR_NO_CALLBACK,		/* 9 */
54 	USB_ERR_IN_USE,			/* 10 */
55 	USB_ERR_NO_ADDR,		/* 11 */
56 	USB_ERR_NO_PIPE,		/* 12 */
57 	USB_ERR_ZERO_NFRAMES,		/* 13 */
58 	USB_ERR_ZERO_MAXP,		/* 14 */
59 	USB_ERR_SET_ADDR_FAILED,	/* 15 */
60 	USB_ERR_NO_POWER,		/* 16 */
61 	USB_ERR_TOO_DEEP,		/* 17 */
62 	USB_ERR_IOERROR,		/* 18 */
63 	USB_ERR_NOT_CONFIGURED,		/* 19 */
64 	USB_ERR_TIMEOUT,		/* 20 */
65 	USB_ERR_SHORT_XFER,		/* 21 */
66 	USB_ERR_STALLED,		/* 22 */
67 	USB_ERR_INTERRUPTED,		/* 23 */
68 	USB_ERR_DMA_LOAD_FAILED,	/* 24 */
69 	USB_ERR_BAD_CONTEXT,		/* 25 */
70 	USB_ERR_NO_ROOT_HUB,		/* 26 */
71 	USB_ERR_NO_INTR_THREAD,		/* 27 */
72 	USB_ERR_NOT_LOCKED,		/* 28 */
73 	USB_ERR_MAX
74 } usb_error_t;
75 
76 /*
77  * Flags for transfers
78  */
79 #define	USB_FORCE_SHORT_XFER	0x0001	/* force a short transmit last */
80 #define	USB_SHORT_XFER_OK	0x0004	/* allow short reads */
81 #define	USB_DELAY_STATUS_STAGE	0x0010	/* insert delay before STATUS stage */
82 #define	USB_USER_DATA_PTR	0x0020	/* internal flag */
83 #define	USB_MULTI_SHORT_OK	0x0040	/* allow multiple short frames */
84 #define	USB_MANUAL_STATUS	0x0080	/* manual ctrl status */
85 
86 #define	USB_NO_TIMEOUT 0
87 #define	USB_DEFAULT_TIMEOUT 5000	/* 5000 ms = 5 seconds */
88 
89 #if defined(_KERNEL)
90 /* typedefs */
91 
92 typedef void (usb_callback_t)(struct usb_xfer *, usb_error_t);
93 typedef void (usb_proc_callback_t)(struct usb_proc_msg *);
94 typedef usb_error_t (usb_handle_req_t)(struct usb_device *,
95     struct usb_device_request *, const void **, uint16_t *);
96 
97 typedef int (usb_fifo_open_t)(struct usb_fifo *fifo, int fflags);
98 typedef void (usb_fifo_close_t)(struct usb_fifo *fifo, int fflags);
99 typedef int (usb_fifo_ioctl_t)(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags);
100 typedef void (usb_fifo_cmd_t)(struct usb_fifo *fifo);
101 typedef void (usb_fifo_filter_t)(struct usb_fifo *fifo, struct usb_mbuf *m);
102 
103 
104 /* USB events */
105 #ifndef USB_GLOBAL_INCLUDE_FILE
106 #include <sys/eventhandler.h>
107 #endif
108 typedef void (*usb_dev_configured_t)(void *, struct usb_device *,
109     struct usb_attach_arg *);
110 EVENTHANDLER_DECLARE(usb_dev_configured, usb_dev_configured_t);
111 
112 /*
113  * The following macros are used used to convert milliseconds into
114  * HZ. We use 1024 instead of 1000 milliseconds per second to save a
115  * full division.
116  */
117 #define	USB_MS_HZ 1024
118 
119 #define	USB_MS_TO_TICKS(ms) \
120   (((uint32_t)((((uint32_t)(ms)) * ((uint32_t)(hz))) + USB_MS_HZ - 1)) / USB_MS_HZ)
121 
122 /*
123  * Common queue structure for USB transfers.
124  */
125 struct usb_xfer_queue {
126 	TAILQ_HEAD(, usb_xfer) head;
127 	struct usb_xfer *curr;		/* current USB transfer processed */
128 	void    (*command) (struct usb_xfer_queue *pq);
129 	uint8_t	recurse_1:1;
130 	uint8_t	recurse_2:1;
131 };
132 
133 /*
134  * The following structure defines an USB endpoint
135  * USB endpoint.
136  */
137 struct usb_endpoint {
138 	/* queue of USB transfers */
139 	struct usb_xfer_queue endpoint_q[USB_MAX_EP_STREAMS];
140 
141 	struct usb_endpoint_descriptor *edesc;
142 	struct usb_endpoint_ss_comp_descriptor *ecomp;
143 	struct usb_pipe_methods *methods;	/* set by HC driver */
144 
145 	uint16_t isoc_next;
146 
147 	uint8_t	toggle_next:1;		/* next data toggle value */
148 	uint8_t	is_stalled:1;		/* set if endpoint is stalled */
149 	uint8_t	is_synced:1;		/* set if we a synchronised */
150 	uint8_t	unused:5;
151 	uint8_t	iface_index;		/* not used by "default endpoint" */
152 
153 	uint8_t refcount_alloc;		/* allocation refcount */
154 	uint8_t refcount_bw;		/* bandwidth refcount */
155 #define	USB_EP_REF_MAX 0x3f
156 
157 	/* High-Speed resource allocation (valid if "refcount_bw" > 0) */
158 
159 	uint8_t	usb_smask;		/* USB start mask */
160 	uint8_t	usb_cmask;		/* USB complete mask */
161 	uint8_t	usb_uframe;		/* USB microframe */
162 
163 	/* USB endpoint mode, see USB_EP_MODE_XXX */
164 
165 	uint8_t ep_mode;
166 };
167 
168 /*
169  * The following structure defines an USB interface.
170  */
171 struct usb_interface {
172 	struct usb_interface_descriptor *idesc;
173 	device_t subdev;
174 	uint8_t	alt_index;
175 	uint8_t	parent_iface_index;
176 
177 	/* Linux compat */
178 	struct usb_host_interface *altsetting;
179 	struct usb_host_interface *cur_altsetting;
180 	struct usb_device *linux_udev;
181 	void   *bsd_priv_sc;		/* device specific information */
182 	char   *pnpinfo;		/* additional PnP-info for this interface */
183 	uint8_t	num_altsetting;		/* number of alternate settings */
184 	uint8_t	bsd_iface_index;
185 };
186 
187 /*
188  * The following structure defines a set of USB transfer flags.
189  */
190 struct usb_xfer_flags {
191 	uint8_t	force_short_xfer:1;	/* force a short transmit transfer
192 					 * last */
193 	uint8_t	short_xfer_ok:1;	/* allow short receive transfers */
194 	uint8_t	short_frames_ok:1;	/* allow short frames */
195 	uint8_t	pipe_bof:1;		/* block pipe on failure */
196 	uint8_t	proxy_buffer:1;		/* makes buffer size a factor of
197 					 * "max_frame_size" */
198 	uint8_t	ext_buffer:1;		/* uses external DMA buffer */
199 	uint8_t	manual_status:1;	/* non automatic status stage on
200 					 * control transfers */
201 	uint8_t	no_pipe_ok:1;		/* set if "USB_ERR_NO_PIPE" error can
202 					 * be ignored */
203 	uint8_t	stall_pipe:1;		/* set if the endpoint belonging to
204 					 * this USB transfer should be stalled
205 					 * before starting this transfer! */
206 	uint8_t pre_scale_frames:1;	/* "usb_config->frames" is
207 					 * assumed to give the
208 					 * buffering time in
209 					 * milliseconds and is
210 					 * converted into the nearest
211 					 * number of frames when the
212 					 * USB transfer is setup. This
213 					 * option only has effect for
214 					 * ISOCHRONOUS transfers.
215 					 */
216 };
217 
218 /*
219  * The following structure define an USB configuration, that basically
220  * is used when setting up an USB transfer.
221  */
222 struct usb_config {
223 	usb_callback_t *callback;	/* USB transfer callback */
224 	usb_frlength_t bufsize;	/* total pipe buffer size in bytes */
225 	usb_frcount_t frames;		/* maximum number of USB frames */
226 	usb_timeout_t interval;	/* interval in milliseconds */
227 #define	USB_DEFAULT_INTERVAL	0
228 	usb_timeout_t timeout;		/* transfer timeout in milliseconds */
229 	struct usb_xfer_flags flags;	/* transfer flags */
230 	usb_stream_t stream_id;		/* USB3.0 specific */
231 	enum usb_hc_mode usb_mode;	/* host or device mode */
232 	uint8_t	type;			/* pipe type */
233 	uint8_t	endpoint;		/* pipe number */
234 	uint8_t	direction;		/* pipe direction */
235 	uint8_t	ep_index;		/* pipe index match to use */
236 	uint8_t	if_index;		/* "ifaces" index to use */
237 };
238 
239 /*
240  * Use these macro when defining USB device ID arrays if you want to
241  * have your driver module automatically loaded in host, device or
242  * both modes respectivly:
243  */
244 #if USB_HAVE_ID_SECTION
245 #define	STRUCT_USB_HOST_ID \
246     struct usb_device_id __section("usb_host_id")
247 #define	STRUCT_USB_DEVICE_ID \
248     struct usb_device_id __section("usb_device_id")
249 #define	STRUCT_USB_DUAL_ID \
250     struct usb_device_id __section("usb_dual_id")
251 #else
252 #define	STRUCT_USB_HOST_ID \
253     struct usb_device_id
254 #define	STRUCT_USB_DEVICE_ID \
255     struct usb_device_id
256 #define	STRUCT_USB_DUAL_ID \
257     struct usb_device_id
258 #endif			/* USB_HAVE_ID_SECTION */
259 
260 /*
261  * The following structure is used when looking up an USB driver for
262  * an USB device. It is inspired by the Linux structure called
263  * "usb_device_id".
264  */
265 struct usb_device_id {
266 
267 	/* Hook for driver specific information */
268 	unsigned long driver_info;
269 
270 	/* Used for product specific matches; the BCD range is inclusive */
271 	uint16_t idVendor;
272 	uint16_t idProduct;
273 	uint16_t bcdDevice_lo;
274 	uint16_t bcdDevice_hi;
275 
276 	/* Used for device class matches */
277 	uint8_t	bDeviceClass;
278 	uint8_t	bDeviceSubClass;
279 	uint8_t	bDeviceProtocol;
280 
281 	/* Used for interface class matches */
282 	uint8_t	bInterfaceClass;
283 	uint8_t	bInterfaceSubClass;
284 	uint8_t	bInterfaceProtocol;
285 
286 	/* Select which fields to match against */
287 	uint8_t	match_flag_vendor:1;
288 	uint8_t	match_flag_product:1;
289 	uint8_t	match_flag_dev_lo:1;
290 	uint8_t	match_flag_dev_hi:1;
291 
292 	uint8_t	match_flag_dev_class:1;
293 	uint8_t	match_flag_dev_subclass:1;
294 	uint8_t	match_flag_dev_protocol:1;
295 	uint8_t	match_flag_int_class:1;
296 
297 	uint8_t	match_flag_int_subclass:1;
298 	uint8_t	match_flag_int_protocol:1;
299 	uint8_t match_flag_unused:6;
300 
301 #if USB_HAVE_COMPAT_LINUX
302 	/* which fields to match against */
303 	uint16_t match_flags;
304 #define	USB_DEVICE_ID_MATCH_VENDOR		0x0001
305 #define	USB_DEVICE_ID_MATCH_PRODUCT		0x0002
306 #define	USB_DEVICE_ID_MATCH_DEV_LO		0x0004
307 #define	USB_DEVICE_ID_MATCH_DEV_HI		0x0008
308 #define	USB_DEVICE_ID_MATCH_DEV_CLASS		0x0010
309 #define	USB_DEVICE_ID_MATCH_DEV_SUBCLASS	0x0020
310 #define	USB_DEVICE_ID_MATCH_DEV_PROTOCOL	0x0040
311 #define	USB_DEVICE_ID_MATCH_INT_CLASS		0x0080
312 #define	USB_DEVICE_ID_MATCH_INT_SUBCLASS	0x0100
313 #define	USB_DEVICE_ID_MATCH_INT_PROTOCOL	0x0200
314 #endif
315 } __aligned(32);
316 
317 /* check that the size of the structure above is correct */
318 extern char usb_device_id_assert[(sizeof(struct usb_device_id) == 32) ? 1 : -1];
319 
320 #define	USB_VENDOR(vend)			\
321   .match_flag_vendor = 1, .idVendor = (vend)
322 
323 #define	USB_PRODUCT(prod)			\
324   .match_flag_product = 1, .idProduct = (prod)
325 
326 #define	USB_VP(vend,prod)			\
327   USB_VENDOR(vend), USB_PRODUCT(prod)
328 
329 #define	USB_VPI(vend,prod,info)			\
330   USB_VENDOR(vend), USB_PRODUCT(prod), USB_DRIVER_INFO(info)
331 
332 #define	USB_DEV_BCD_GTEQ(lo)	/* greater than or equal */ \
333   .match_flag_dev_lo = 1, .bcdDevice_lo = (lo)
334 
335 #define	USB_DEV_BCD_LTEQ(hi)	/* less than or equal */ \
336   .match_flag_dev_hi = 1, .bcdDevice_hi = (hi)
337 
338 #define	USB_DEV_CLASS(dc)			\
339   .match_flag_dev_class = 1, .bDeviceClass = (dc)
340 
341 #define	USB_DEV_SUBCLASS(dsc)			\
342   .match_flag_dev_subclass = 1, .bDeviceSubClass = (dsc)
343 
344 #define	USB_DEV_PROTOCOL(dp)			\
345   .match_flag_dev_protocol = 1, .bDeviceProtocol = (dp)
346 
347 #define	USB_IFACE_CLASS(ic)			\
348   .match_flag_int_class = 1, .bInterfaceClass = (ic)
349 
350 #define	USB_IFACE_SUBCLASS(isc)			\
351   .match_flag_int_subclass = 1, .bInterfaceSubClass = (isc)
352 
353 #define	USB_IFACE_PROTOCOL(ip)			\
354   .match_flag_int_protocol = 1, .bInterfaceProtocol = (ip)
355 
356 #define	USB_IF_CSI(class,subclass,info)			\
357   USB_IFACE_CLASS(class), USB_IFACE_SUBCLASS(subclass), USB_DRIVER_INFO(info)
358 
359 #define	USB_DRIVER_INFO(n)			\
360   .driver_info = (n)
361 
362 #define	USB_GET_DRIVER_INFO(did)		\
363   (did)->driver_info
364 
365 /*
366  * The following structure keeps information that is used to match
367  * against an array of "usb_device_id" elements.
368  */
369 struct usbd_lookup_info {
370 	uint16_t idVendor;
371 	uint16_t idProduct;
372 	uint16_t bcdDevice;
373 	uint8_t	bDeviceClass;
374 	uint8_t	bDeviceSubClass;
375 	uint8_t	bDeviceProtocol;
376 	uint8_t	bInterfaceClass;
377 	uint8_t	bInterfaceSubClass;
378 	uint8_t	bInterfaceProtocol;
379 	uint8_t	bIfaceIndex;
380 	uint8_t	bIfaceNum;
381 	uint8_t	bConfigIndex;
382 	uint8_t	bConfigNum;
383 };
384 
385 /* Structure used by probe and attach */
386 
387 struct usb_attach_arg {
388 	struct usbd_lookup_info info;
389 	device_t temp_dev;		/* for internal use */
390 	unsigned long driver_info;	/* for internal use */
391 	void *driver_ivar;
392 	struct usb_device *device;	/* current device */
393 	struct usb_interface *iface;	/* current interface */
394 	enum usb_hc_mode usb_mode;	/* host or device mode */
395 	uint8_t	port;
396 	uint8_t dev_state;
397 #define UAA_DEV_READY		0
398 #define UAA_DEV_DISABLED	1
399 #define UAA_DEV_EJECTING	2
400 };
401 
402 /*
403  * The following is a wrapper for the callout structure to ease
404  * porting the code to other platforms.
405  */
406 struct usb_callout {
407 	struct callout co;
408 };
409 #define	usb_callout_init_mtx(c,m,f) callout_init_mtx(&(c)->co,m,f)
410 #define	usb_callout_reset(c,t,f,d) callout_reset(&(c)->co,t,f,d)
411 #define	usb_callout_stop(c) callout_stop(&(c)->co)
412 #define	usb_callout_drain(c) callout_drain(&(c)->co)
413 #define	usb_callout_pending(c) callout_pending(&(c)->co)
414 
415 /* USB transfer states */
416 
417 #define	USB_ST_SETUP       0
418 #define	USB_ST_TRANSFERRED 1
419 #define	USB_ST_ERROR       2
420 
421 /* USB handle request states */
422 #define	USB_HR_NOT_COMPLETE	0
423 #define	USB_HR_COMPLETE_OK	1
424 #define	USB_HR_COMPLETE_ERR	2
425 
426 /*
427  * The following macro will return the current state of an USB
428  * transfer like defined by the "USB_ST_XXX" enums.
429  */
430 #define	USB_GET_STATE(xfer) (usbd_xfer_state(xfer))
431 
432 /*
433  * The following structure defines the USB process message header.
434  */
435 struct usb_proc_msg {
436 	TAILQ_ENTRY(usb_proc_msg) pm_qentry;
437 	usb_proc_callback_t *pm_callback;
438 	usb_size_t pm_num;
439 };
440 
441 #define	USB_FIFO_TX 0
442 #define	USB_FIFO_RX 1
443 
444 /*
445  * Locking note for the following functions.  All the
446  * "usb_fifo_cmd_t" and "usb_fifo_filter_t" functions are called
447  * locked. The others are called unlocked.
448  */
449 struct usb_fifo_methods {
450 	usb_fifo_open_t *f_open;
451 	usb_fifo_close_t *f_close;
452 	usb_fifo_ioctl_t *f_ioctl;
453 	/*
454 	 * NOTE: The post-ioctl callback is called after the USB reference
455 	 * gets locked in the IOCTL handler:
456 	 */
457 	usb_fifo_ioctl_t *f_ioctl_post;
458 	usb_fifo_cmd_t *f_start_read;
459 	usb_fifo_cmd_t *f_stop_read;
460 	usb_fifo_cmd_t *f_start_write;
461 	usb_fifo_cmd_t *f_stop_write;
462 	usb_fifo_filter_t *f_filter_read;
463 	usb_fifo_filter_t *f_filter_write;
464 	const char *basename[4];
465 	const char *postfix[4];
466 };
467 
468 struct usb_fifo_sc {
469 	struct usb_fifo *fp[2];
470 	struct usb_fs_privdata *dev;
471 };
472 
473 const char *usbd_errstr(usb_error_t error);
474 void	*usbd_find_descriptor(struct usb_device *udev, void *id,
475 	    uint8_t iface_index, uint8_t type, uint8_t type_mask,
476 	    uint8_t subtype, uint8_t subtype_mask);
477 struct usb_config_descriptor *usbd_get_config_descriptor(
478 	    struct usb_device *udev);
479 struct usb_device_descriptor *usbd_get_device_descriptor(
480 	    struct usb_device *udev);
481 struct usb_interface *usbd_get_iface(struct usb_device *udev,
482 	    uint8_t iface_index);
483 struct usb_interface_descriptor *usbd_get_interface_descriptor(
484 	    struct usb_interface *iface);
485 struct usb_endpoint *usbd_get_endpoint(struct usb_device *udev, uint8_t iface_index,
486 		    const struct usb_config *setup);
487 struct usb_endpoint *usbd_get_ep_by_addr(struct usb_device *udev, uint8_t ea_val);
488 usb_error_t	usbd_interface_count(struct usb_device *udev, uint8_t *count);
489 enum usb_hc_mode usbd_get_mode(struct usb_device *udev);
490 enum usb_dev_speed usbd_get_speed(struct usb_device *udev);
491 void	device_set_usb_desc(device_t dev);
492 void	usb_pause_mtx(struct mtx *mtx, int _ticks);
493 usb_error_t	usbd_set_pnpinfo(struct usb_device *udev,
494 			uint8_t iface_index, const char *pnpinfo);
495 usb_error_t	usbd_add_dynamic_quirk(struct usb_device *udev,
496 			uint16_t quirk);
497 usb_error_t	usbd_set_endpoint_mode(struct usb_device *udev,
498 			struct usb_endpoint *ep, uint8_t ep_mode);
499 uint8_t		usbd_get_endpoint_mode(struct usb_device *udev,
500 			struct usb_endpoint *ep);
501 
502 const struct usb_device_id *usbd_lookup_id_by_info(
503 	    const struct usb_device_id *id, usb_size_t sizeof_id,
504 	    const struct usbd_lookup_info *info);
505 int	usbd_lookup_id_by_uaa(const struct usb_device_id *id,
506 	    usb_size_t sizeof_id, struct usb_attach_arg *uaa);
507 
508 usb_error_t usbd_do_request_flags(struct usb_device *udev, struct mtx *mtx,
509 		    struct usb_device_request *req, void *data, uint16_t flags,
510 		    uint16_t *actlen, usb_timeout_t timeout);
511 #define	usbd_do_request(u,m,r,d) \
512   usbd_do_request_flags(u,m,r,d,0,NULL,USB_DEFAULT_TIMEOUT)
513 
514 uint8_t	usbd_clear_stall_callback(struct usb_xfer *xfer1,
515 	    struct usb_xfer *xfer2);
516 uint8_t	usbd_get_interface_altindex(struct usb_interface *iface);
517 usb_error_t usbd_set_alt_interface_index(struct usb_device *udev,
518 	    uint8_t iface_index, uint8_t alt_index);
519 uint32_t usbd_get_isoc_fps(struct usb_device *udev);
520 usb_error_t usbd_transfer_setup(struct usb_device *udev,
521 	    const uint8_t *ifaces, struct usb_xfer **pxfer,
522 	    const struct usb_config *setup_start, uint16_t n_setup,
523 	    void *priv_sc, struct mtx *priv_mtx);
524 void	usbd_transfer_submit(struct usb_xfer *xfer);
525 void	usbd_transfer_clear_stall(struct usb_xfer *xfer);
526 void	usbd_transfer_drain(struct usb_xfer *xfer);
527 uint8_t	usbd_transfer_pending(struct usb_xfer *xfer);
528 void	usbd_transfer_start(struct usb_xfer *xfer);
529 void	usbd_transfer_stop(struct usb_xfer *xfer);
530 void	usbd_transfer_unsetup(struct usb_xfer **pxfer, uint16_t n_setup);
531 void	usbd_transfer_poll(struct usb_xfer **ppxfer, uint16_t max);
532 void	usbd_set_parent_iface(struct usb_device *udev, uint8_t iface_index,
533 	    uint8_t parent_index);
534 uint8_t	usbd_get_bus_index(struct usb_device *udev);
535 uint8_t	usbd_get_device_index(struct usb_device *udev);
536 void	usbd_set_power_mode(struct usb_device *udev, uint8_t power_mode);
537 uint8_t	usbd_filter_power_mode(struct usb_device *udev, uint8_t power_mode);
538 uint8_t	usbd_device_attached(struct usb_device *udev);
539 
540 usb_frlength_t
541 	usbd_xfer_old_frame_length(struct usb_xfer *xfer, usb_frcount_t frindex);
542 void	usbd_xfer_status(struct usb_xfer *xfer, int *actlen, int *sumlen,
543 	    int *aframes, int *nframes);
544 struct usb_page_cache *usbd_xfer_get_frame(struct usb_xfer *, usb_frcount_t);
545 void	*usbd_xfer_get_frame_buffer(struct usb_xfer *, usb_frcount_t);
546 void	*usbd_xfer_softc(struct usb_xfer *xfer);
547 void	*usbd_xfer_get_priv(struct usb_xfer *xfer);
548 void	usbd_xfer_set_priv(struct usb_xfer *xfer, void *);
549 void	usbd_xfer_set_interval(struct usb_xfer *xfer, int);
550 uint8_t	usbd_xfer_state(struct usb_xfer *xfer);
551 void	usbd_xfer_set_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex,
552 	    void *ptr, usb_frlength_t len);
553 void	usbd_xfer_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex,
554 	    void **ptr, int *len);
555 void	usbd_xfer_set_frame_offset(struct usb_xfer *xfer, usb_frlength_t offset,
556 	    usb_frcount_t frindex);
557 usb_frlength_t usbd_xfer_max_len(struct usb_xfer *xfer);
558 usb_frlength_t usbd_xfer_max_framelen(struct usb_xfer *xfer);
559 usb_frcount_t usbd_xfer_max_frames(struct usb_xfer *xfer);
560 uint8_t	usbd_xfer_get_fps_shift(struct usb_xfer *xfer);
561 usb_frlength_t usbd_xfer_frame_len(struct usb_xfer *xfer,
562 	    usb_frcount_t frindex);
563 void	usbd_xfer_set_frame_len(struct usb_xfer *xfer, usb_frcount_t frindex,
564 	    usb_frlength_t len);
565 void	usbd_xfer_set_timeout(struct usb_xfer *xfer, int timeout);
566 void	usbd_xfer_set_frames(struct usb_xfer *xfer, usb_frcount_t n);
567 void	usbd_xfer_set_stall(struct usb_xfer *xfer);
568 int	usbd_xfer_is_stalled(struct usb_xfer *xfer);
569 void	usbd_xfer_set_flag(struct usb_xfer *xfer, int flag);
570 void	usbd_xfer_clr_flag(struct usb_xfer *xfer, int flag);
571 uint16_t usbd_xfer_get_timestamp(struct usb_xfer *xfer);
572 
573 void	usbd_copy_in(struct usb_page_cache *cache, usb_frlength_t offset,
574 	    const void *ptr, usb_frlength_t len);
575 int	usbd_copy_in_user(struct usb_page_cache *cache, usb_frlength_t offset,
576 	    const void *ptr, usb_frlength_t len);
577 void	usbd_copy_out(struct usb_page_cache *cache, usb_frlength_t offset,
578 	    void *ptr, usb_frlength_t len);
579 int	usbd_copy_out_user(struct usb_page_cache *cache, usb_frlength_t offset,
580 	    void *ptr, usb_frlength_t len);
581 void	usbd_get_page(struct usb_page_cache *pc, usb_frlength_t offset,
582 	    struct usb_page_search *res);
583 void	usbd_m_copy_in(struct usb_page_cache *cache, usb_frlength_t dst_offset,
584 	    struct mbuf *m, usb_size_t src_offset, usb_frlength_t src_len);
585 void	usbd_frame_zero(struct usb_page_cache *cache, usb_frlength_t offset,
586 	    usb_frlength_t len);
587 void	usbd_start_re_enumerate(struct usb_device *udev);
588 
589 int	usb_fifo_attach(struct usb_device *udev, void *priv_sc,
590 	    struct mtx *priv_mtx, struct usb_fifo_methods *pm,
591 	    struct usb_fifo_sc *f_sc, uint16_t unit, int16_t subunit,
592 	    uint8_t iface_index, uid_t uid, gid_t gid, int mode);
593 void	usb_fifo_detach(struct usb_fifo_sc *f_sc);
594 int	usb_fifo_alloc_buffer(struct usb_fifo *f, uint32_t bufsize,
595 	    uint16_t nbuf);
596 void	usb_fifo_free_buffer(struct usb_fifo *f);
597 uint32_t usb_fifo_put_bytes_max(struct usb_fifo *fifo);
598 void	usb_fifo_put_data(struct usb_fifo *fifo, struct usb_page_cache *pc,
599 	    usb_frlength_t offset, usb_frlength_t len, uint8_t what);
600 void	usb_fifo_put_data_linear(struct usb_fifo *fifo, void *ptr,
601 	    usb_size_t len, uint8_t what);
602 uint8_t	usb_fifo_put_data_buffer(struct usb_fifo *f, void *ptr, usb_size_t len);
603 void	usb_fifo_put_data_error(struct usb_fifo *fifo);
604 uint8_t	usb_fifo_get_data(struct usb_fifo *fifo, struct usb_page_cache *pc,
605 	    usb_frlength_t offset, usb_frlength_t len, usb_frlength_t *actlen,
606 	    uint8_t what);
607 uint8_t	usb_fifo_get_data_linear(struct usb_fifo *fifo, void *ptr,
608 	    usb_size_t len, usb_size_t *actlen, uint8_t what);
609 uint8_t	usb_fifo_get_data_buffer(struct usb_fifo *f, void **pptr,
610 	    usb_size_t *plen);
611 void	usb_fifo_reset(struct usb_fifo *f);
612 void	usb_fifo_wakeup(struct usb_fifo *f);
613 void	usb_fifo_get_data_error(struct usb_fifo *fifo);
614 void	*usb_fifo_softc(struct usb_fifo *fifo);
615 void	usb_fifo_set_close_zlp(struct usb_fifo *, uint8_t);
616 void	usb_fifo_set_write_defrag(struct usb_fifo *, uint8_t);
617 void	usb_fifo_free(struct usb_fifo *f);
618 #endif /* _KERNEL */
619 #endif /* _USB_USBDI_H_ */
620