xref: /freebsd/sys/dev/usb/usbdi.h (revision 298cf604ccf133b101c6fad42d1a078a1fac58ca)
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 #include <sys/eventhandler.h>
106 typedef void (*usb_dev_configured_t)(void *, struct usb_device *,
107     struct usb_attach_arg *);
108 EVENTHANDLER_DECLARE(usb_dev_configured, usb_dev_configured_t);
109 
110 /*
111  * The following macros are used used to convert milliseconds into
112  * HZ. We use 1024 instead of 1000 milliseconds per second to save a
113  * full division.
114  */
115 #define	USB_MS_HZ 1024
116 
117 #define	USB_MS_TO_TICKS(ms) \
118   (((uint32_t)((((uint32_t)(ms)) * ((uint32_t)(hz))) + USB_MS_HZ - 1)) / USB_MS_HZ)
119 
120 /*
121  * Common queue structure for USB transfers.
122  */
123 struct usb_xfer_queue {
124 	TAILQ_HEAD(, usb_xfer) head;
125 	struct usb_xfer *curr;		/* current USB transfer processed */
126 	void    (*command) (struct usb_xfer_queue *pq);
127 	uint8_t	recurse_1:1;
128 	uint8_t	recurse_2:1;
129 };
130 
131 /*
132  * The following structure defines an USB endpoint
133  * USB endpoint.
134  */
135 struct usb_endpoint {
136 	/* queue of USB transfers */
137 	struct usb_xfer_queue endpoint_q[USB_MAX_EP_STREAMS];
138 
139 	struct usb_endpoint_descriptor *edesc;
140 	struct usb_endpoint_ss_comp_descriptor *ecomp;
141 	struct usb_pipe_methods *methods;	/* set by HC driver */
142 
143 	uint16_t isoc_next;
144 
145 	uint8_t	toggle_next:1;		/* next data toggle value */
146 	uint8_t	is_stalled:1;		/* set if endpoint is stalled */
147 	uint8_t	is_synced:1;		/* set if we a synchronised */
148 	uint8_t	unused:5;
149 	uint8_t	iface_index;		/* not used by "default endpoint" */
150 
151 	uint8_t refcount_alloc;		/* allocation refcount */
152 	uint8_t refcount_bw;		/* bandwidth refcount */
153 #define	USB_EP_REF_MAX 0x3f
154 
155 	/* High-Speed resource allocation (valid if "refcount_bw" > 0) */
156 
157 	uint8_t	usb_smask;		/* USB start mask */
158 	uint8_t	usb_cmask;		/* USB complete mask */
159 	uint8_t	usb_uframe;		/* USB microframe */
160 
161 	/* USB endpoint mode, see USB_EP_MODE_XXX */
162 
163 	uint8_t ep_mode;
164 };
165 
166 /*
167  * The following structure defines an USB interface.
168  */
169 struct usb_interface {
170 	struct usb_interface_descriptor *idesc;
171 	device_t subdev;
172 	uint8_t	alt_index;
173 	uint8_t	parent_iface_index;
174 
175 	/* Linux compat */
176 	struct usb_host_interface *altsetting;
177 	struct usb_host_interface *cur_altsetting;
178 	struct usb_device *linux_udev;
179 	void   *bsd_priv_sc;		/* device specific information */
180 	char   *pnpinfo;		/* additional PnP-info for this interface */
181 	uint8_t	num_altsetting;		/* number of alternate settings */
182 	uint8_t	bsd_iface_index;
183 };
184 
185 /*
186  * The following structure defines a set of USB transfer flags.
187  */
188 struct usb_xfer_flags {
189 	uint8_t	force_short_xfer:1;	/* force a short transmit transfer
190 					 * last */
191 	uint8_t	short_xfer_ok:1;	/* allow short receive transfers */
192 	uint8_t	short_frames_ok:1;	/* allow short frames */
193 	uint8_t	pipe_bof:1;		/* block pipe on failure */
194 	uint8_t	proxy_buffer:1;		/* makes buffer size a factor of
195 					 * "max_frame_size" */
196 	uint8_t	ext_buffer:1;		/* uses external DMA buffer */
197 	uint8_t	manual_status:1;	/* non automatic status stage on
198 					 * control transfers */
199 	uint8_t	no_pipe_ok:1;		/* set if "USB_ERR_NO_PIPE" error can
200 					 * be ignored */
201 	uint8_t	stall_pipe:1;		/* set if the endpoint belonging to
202 					 * this USB transfer should be stalled
203 					 * before starting this transfer! */
204 	uint8_t pre_scale_frames:1;	/* "usb_config->frames" is
205 					 * assumed to give the
206 					 * buffering time in
207 					 * milliseconds and is
208 					 * converted into the nearest
209 					 * number of frames when the
210 					 * USB transfer is setup. This
211 					 * option only has effect for
212 					 * ISOCHRONOUS transfers.
213 					 */
214 };
215 
216 /*
217  * The following structure define an USB configuration, that basically
218  * is used when setting up an USB transfer.
219  */
220 struct usb_config {
221 	usb_callback_t *callback;	/* USB transfer callback */
222 	usb_frlength_t bufsize;	/* total pipe buffer size in bytes */
223 	usb_frcount_t frames;		/* maximum number of USB frames */
224 	usb_timeout_t interval;	/* interval in milliseconds */
225 #define	USB_DEFAULT_INTERVAL	0
226 	usb_timeout_t timeout;		/* transfer timeout in milliseconds */
227 	struct usb_xfer_flags flags;	/* transfer flags */
228 	usb_stream_t stream_id;		/* USB3.0 specific */
229 	enum usb_hc_mode usb_mode;	/* host or device mode */
230 	uint8_t	type;			/* pipe type */
231 	uint8_t	endpoint;		/* pipe number */
232 	uint8_t	direction;		/* pipe direction */
233 	uint8_t	ep_index;		/* pipe index match to use */
234 	uint8_t	if_index;		/* "ifaces" index to use */
235 };
236 
237 /*
238  * Use these macro when defining USB device ID arrays if you want to
239  * have your driver module automatically loaded in host, device or
240  * both modes respectivly:
241  */
242 #define	STRUCT_USB_HOST_ID \
243     struct usb_device_id __section("usb_host_id")
244 #define	STRUCT_USB_DEVICE_ID \
245     struct usb_device_id __section("usb_device_id")
246 #define	STRUCT_USB_DUAL_ID \
247     struct usb_device_id __section("usb_dual_id")
248 
249 /*
250  * The following structure is used when looking up an USB driver for
251  * an USB device. It is inspired by the Linux structure called
252  * "usb_device_id".
253  */
254 struct usb_device_id {
255 
256 	/* Hook for driver specific information */
257 	unsigned long driver_info;
258 
259 	/* Used for product specific matches; the BCD range is inclusive */
260 	uint16_t idVendor;
261 	uint16_t idProduct;
262 	uint16_t bcdDevice_lo;
263 	uint16_t bcdDevice_hi;
264 
265 	/* Used for device class matches */
266 	uint8_t	bDeviceClass;
267 	uint8_t	bDeviceSubClass;
268 	uint8_t	bDeviceProtocol;
269 
270 	/* Used for interface class matches */
271 	uint8_t	bInterfaceClass;
272 	uint8_t	bInterfaceSubClass;
273 	uint8_t	bInterfaceProtocol;
274 
275 	/* Select which fields to match against */
276 	uint8_t	match_flag_vendor:1;
277 	uint8_t	match_flag_product:1;
278 	uint8_t	match_flag_dev_lo:1;
279 	uint8_t	match_flag_dev_hi:1;
280 
281 	uint8_t	match_flag_dev_class:1;
282 	uint8_t	match_flag_dev_subclass:1;
283 	uint8_t	match_flag_dev_protocol:1;
284 	uint8_t	match_flag_int_class:1;
285 
286 	uint8_t	match_flag_int_subclass:1;
287 	uint8_t	match_flag_int_protocol:1;
288 	uint8_t match_flag_unused:6;
289 
290 #if USB_HAVE_COMPAT_LINUX
291 	/* which fields to match against */
292 	uint16_t match_flags;
293 #define	USB_DEVICE_ID_MATCH_VENDOR		0x0001
294 #define	USB_DEVICE_ID_MATCH_PRODUCT		0x0002
295 #define	USB_DEVICE_ID_MATCH_DEV_LO		0x0004
296 #define	USB_DEVICE_ID_MATCH_DEV_HI		0x0008
297 #define	USB_DEVICE_ID_MATCH_DEV_CLASS		0x0010
298 #define	USB_DEVICE_ID_MATCH_DEV_SUBCLASS	0x0020
299 #define	USB_DEVICE_ID_MATCH_DEV_PROTOCOL	0x0040
300 #define	USB_DEVICE_ID_MATCH_INT_CLASS		0x0080
301 #define	USB_DEVICE_ID_MATCH_INT_SUBCLASS	0x0100
302 #define	USB_DEVICE_ID_MATCH_INT_PROTOCOL	0x0200
303 #endif
304 } __aligned(32);
305 
306 /* check that the size of the structure above is correct */
307 extern char usb_device_id_assert[(sizeof(struct usb_device_id) == 32) ? 1 : -1];
308 
309 #define	USB_VENDOR(vend)			\
310   .match_flag_vendor = 1, .idVendor = (vend)
311 
312 #define	USB_PRODUCT(prod)			\
313   .match_flag_product = 1, .idProduct = (prod)
314 
315 #define	USB_VP(vend,prod)			\
316   USB_VENDOR(vend), USB_PRODUCT(prod)
317 
318 #define	USB_VPI(vend,prod,info)			\
319   USB_VENDOR(vend), USB_PRODUCT(prod), USB_DRIVER_INFO(info)
320 
321 #define	USB_DEV_BCD_GTEQ(lo)	/* greater than or equal */ \
322   .match_flag_dev_lo = 1, .bcdDevice_lo = (lo)
323 
324 #define	USB_DEV_BCD_LTEQ(hi)	/* less than or equal */ \
325   .match_flag_dev_hi = 1, .bcdDevice_hi = (hi)
326 
327 #define	USB_DEV_CLASS(dc)			\
328   .match_flag_dev_class = 1, .bDeviceClass = (dc)
329 
330 #define	USB_DEV_SUBCLASS(dsc)			\
331   .match_flag_dev_subclass = 1, .bDeviceSubClass = (dsc)
332 
333 #define	USB_DEV_PROTOCOL(dp)			\
334   .match_flag_dev_protocol = 1, .bDeviceProtocol = (dp)
335 
336 #define	USB_IFACE_CLASS(ic)			\
337   .match_flag_int_class = 1, .bInterfaceClass = (ic)
338 
339 #define	USB_IFACE_SUBCLASS(isc)			\
340   .match_flag_int_subclass = 1, .bInterfaceSubClass = (isc)
341 
342 #define	USB_IFACE_PROTOCOL(ip)			\
343   .match_flag_int_protocol = 1, .bInterfaceProtocol = (ip)
344 
345 #define	USB_IF_CSI(class,subclass,info)			\
346   USB_IFACE_CLASS(class), USB_IFACE_SUBCLASS(subclass), USB_DRIVER_INFO(info)
347 
348 #define	USB_DRIVER_INFO(n)			\
349   .driver_info = (n)
350 
351 #define	USB_GET_DRIVER_INFO(did)		\
352   (did)->driver_info
353 
354 /*
355  * The following structure keeps information that is used to match
356  * against an array of "usb_device_id" elements.
357  */
358 struct usbd_lookup_info {
359 	uint16_t idVendor;
360 	uint16_t idProduct;
361 	uint16_t bcdDevice;
362 	uint8_t	bDeviceClass;
363 	uint8_t	bDeviceSubClass;
364 	uint8_t	bDeviceProtocol;
365 	uint8_t	bInterfaceClass;
366 	uint8_t	bInterfaceSubClass;
367 	uint8_t	bInterfaceProtocol;
368 	uint8_t	bIfaceIndex;
369 	uint8_t	bIfaceNum;
370 	uint8_t	bConfigIndex;
371 	uint8_t	bConfigNum;
372 };
373 
374 /* Structure used by probe and attach */
375 
376 struct usb_attach_arg {
377 	struct usbd_lookup_info info;
378 	device_t temp_dev;		/* for internal use */
379 	unsigned long driver_info;	/* for internal use */
380 	void *driver_ivar;
381 	struct usb_device *device;	/* current device */
382 	struct usb_interface *iface;	/* current interface */
383 	enum usb_hc_mode usb_mode;	/* host or device mode */
384 	uint8_t	port;
385 	uint8_t dev_state;
386 #define UAA_DEV_READY		0
387 #define UAA_DEV_DISABLED	1
388 #define UAA_DEV_EJECTING	2
389 };
390 
391 /*
392  * The following is a wrapper for the callout structure to ease
393  * porting the code to other platforms.
394  */
395 struct usb_callout {
396 	struct callout co;
397 };
398 #define	usb_callout_init_mtx(c,m,f) callout_init_mtx(&(c)->co,m,f)
399 #define	usb_callout_reset(c,t,f,d) callout_reset(&(c)->co,t,f,d)
400 #define	usb_callout_stop(c) callout_stop(&(c)->co)
401 #define	usb_callout_drain(c) callout_drain(&(c)->co)
402 #define	usb_callout_pending(c) callout_pending(&(c)->co)
403 
404 /* USB transfer states */
405 
406 #define	USB_ST_SETUP       0
407 #define	USB_ST_TRANSFERRED 1
408 #define	USB_ST_ERROR       2
409 
410 /* USB handle request states */
411 #define	USB_HR_NOT_COMPLETE	0
412 #define	USB_HR_COMPLETE_OK	1
413 #define	USB_HR_COMPLETE_ERR	2
414 
415 /*
416  * The following macro will return the current state of an USB
417  * transfer like defined by the "USB_ST_XXX" enums.
418  */
419 #define	USB_GET_STATE(xfer) (usbd_xfer_state(xfer))
420 
421 /*
422  * The following structure defines the USB process message header.
423  */
424 struct usb_proc_msg {
425 	TAILQ_ENTRY(usb_proc_msg) pm_qentry;
426 	usb_proc_callback_t *pm_callback;
427 	usb_size_t pm_num;
428 };
429 
430 #define	USB_FIFO_TX 0
431 #define	USB_FIFO_RX 1
432 
433 /*
434  * Locking note for the following functions.  All the
435  * "usb_fifo_cmd_t" and "usb_fifo_filter_t" functions are called
436  * locked. The others are called unlocked.
437  */
438 struct usb_fifo_methods {
439 	usb_fifo_open_t *f_open;
440 	usb_fifo_close_t *f_close;
441 	usb_fifo_ioctl_t *f_ioctl;
442 	/*
443 	 * NOTE: The post-ioctl callback is called after the USB reference
444 	 * gets locked in the IOCTL handler:
445 	 */
446 	usb_fifo_ioctl_t *f_ioctl_post;
447 	usb_fifo_cmd_t *f_start_read;
448 	usb_fifo_cmd_t *f_stop_read;
449 	usb_fifo_cmd_t *f_start_write;
450 	usb_fifo_cmd_t *f_stop_write;
451 	usb_fifo_filter_t *f_filter_read;
452 	usb_fifo_filter_t *f_filter_write;
453 	const char *basename[4];
454 	const char *postfix[4];
455 };
456 
457 struct usb_fifo_sc {
458 	struct usb_fifo *fp[2];
459 	struct usb_fs_privdata *dev;
460 };
461 
462 const char *usbd_errstr(usb_error_t error);
463 void	*usbd_find_descriptor(struct usb_device *udev, void *id,
464 	    uint8_t iface_index, uint8_t type, uint8_t type_mask,
465 	    uint8_t subtype, uint8_t subtype_mask);
466 struct usb_config_descriptor *usbd_get_config_descriptor(
467 	    struct usb_device *udev);
468 struct usb_device_descriptor *usbd_get_device_descriptor(
469 	    struct usb_device *udev);
470 struct usb_interface *usbd_get_iface(struct usb_device *udev,
471 	    uint8_t iface_index);
472 struct usb_interface_descriptor *usbd_get_interface_descriptor(
473 	    struct usb_interface *iface);
474 struct usb_endpoint *usbd_get_endpoint(struct usb_device *udev, uint8_t iface_index,
475 		    const struct usb_config *setup);
476 struct usb_endpoint *usbd_get_ep_by_addr(struct usb_device *udev, uint8_t ea_val);
477 usb_error_t	usbd_interface_count(struct usb_device *udev, uint8_t *count);
478 enum usb_hc_mode usbd_get_mode(struct usb_device *udev);
479 enum usb_dev_speed usbd_get_speed(struct usb_device *udev);
480 void	device_set_usb_desc(device_t dev);
481 void	usb_pause_mtx(struct mtx *mtx, int _ticks);
482 usb_error_t	usbd_set_pnpinfo(struct usb_device *udev,
483 			uint8_t iface_index, const char *pnpinfo);
484 usb_error_t	usbd_add_dynamic_quirk(struct usb_device *udev,
485 			uint16_t quirk);
486 usb_error_t	usbd_set_endpoint_mode(struct usb_device *udev,
487 			struct usb_endpoint *ep, uint8_t ep_mode);
488 uint8_t		usbd_get_endpoint_mode(struct usb_device *udev,
489 			struct usb_endpoint *ep);
490 
491 const struct usb_device_id *usbd_lookup_id_by_info(
492 	    const struct usb_device_id *id, usb_size_t sizeof_id,
493 	    const struct usbd_lookup_info *info);
494 int	usbd_lookup_id_by_uaa(const struct usb_device_id *id,
495 	    usb_size_t sizeof_id, struct usb_attach_arg *uaa);
496 
497 usb_error_t usbd_do_request_flags(struct usb_device *udev, struct mtx *mtx,
498 		    struct usb_device_request *req, void *data, uint16_t flags,
499 		    uint16_t *actlen, usb_timeout_t timeout);
500 #define	usbd_do_request(u,m,r,d) \
501   usbd_do_request_flags(u,m,r,d,0,NULL,USB_DEFAULT_TIMEOUT)
502 
503 uint8_t	usbd_clear_stall_callback(struct usb_xfer *xfer1,
504 	    struct usb_xfer *xfer2);
505 uint8_t	usbd_get_interface_altindex(struct usb_interface *iface);
506 usb_error_t usbd_set_alt_interface_index(struct usb_device *udev,
507 	    uint8_t iface_index, uint8_t alt_index);
508 uint32_t usbd_get_isoc_fps(struct usb_device *udev);
509 usb_error_t usbd_transfer_setup(struct usb_device *udev,
510 	    const uint8_t *ifaces, struct usb_xfer **pxfer,
511 	    const struct usb_config *setup_start, uint16_t n_setup,
512 	    void *priv_sc, struct mtx *priv_mtx);
513 void	usbd_transfer_submit(struct usb_xfer *xfer);
514 void	usbd_transfer_clear_stall(struct usb_xfer *xfer);
515 void	usbd_transfer_drain(struct usb_xfer *xfer);
516 uint8_t	usbd_transfer_pending(struct usb_xfer *xfer);
517 void	usbd_transfer_start(struct usb_xfer *xfer);
518 void	usbd_transfer_stop(struct usb_xfer *xfer);
519 void	usbd_transfer_unsetup(struct usb_xfer **pxfer, uint16_t n_setup);
520 void	usbd_transfer_poll(struct usb_xfer **ppxfer, uint16_t max);
521 void	usbd_set_parent_iface(struct usb_device *udev, uint8_t iface_index,
522 	    uint8_t parent_index);
523 uint8_t	usbd_get_bus_index(struct usb_device *udev);
524 uint8_t	usbd_get_device_index(struct usb_device *udev);
525 void	usbd_set_power_mode(struct usb_device *udev, uint8_t power_mode);
526 uint8_t	usbd_filter_power_mode(struct usb_device *udev, uint8_t power_mode);
527 uint8_t	usbd_device_attached(struct usb_device *udev);
528 
529 usb_frlength_t
530 	usbd_xfer_old_frame_length(struct usb_xfer *xfer, usb_frcount_t frindex);
531 void	usbd_xfer_status(struct usb_xfer *xfer, int *actlen, int *sumlen,
532 	    int *aframes, int *nframes);
533 struct usb_page_cache *usbd_xfer_get_frame(struct usb_xfer *, usb_frcount_t);
534 void	*usbd_xfer_get_frame_buffer(struct usb_xfer *, usb_frcount_t);
535 void	*usbd_xfer_softc(struct usb_xfer *xfer);
536 void	*usbd_xfer_get_priv(struct usb_xfer *xfer);
537 void	usbd_xfer_set_priv(struct usb_xfer *xfer, void *);
538 void	usbd_xfer_set_interval(struct usb_xfer *xfer, int);
539 uint8_t	usbd_xfer_state(struct usb_xfer *xfer);
540 void	usbd_xfer_set_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex,
541 	    void *ptr, usb_frlength_t len);
542 void	usbd_xfer_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex,
543 	    void **ptr, int *len);
544 void	usbd_xfer_set_frame_offset(struct usb_xfer *xfer, usb_frlength_t offset,
545 	    usb_frcount_t frindex);
546 usb_frlength_t usbd_xfer_max_len(struct usb_xfer *xfer);
547 usb_frlength_t usbd_xfer_max_framelen(struct usb_xfer *xfer);
548 usb_frcount_t usbd_xfer_max_frames(struct usb_xfer *xfer);
549 uint8_t	usbd_xfer_get_fps_shift(struct usb_xfer *xfer);
550 usb_frlength_t usbd_xfer_frame_len(struct usb_xfer *xfer,
551 	    usb_frcount_t frindex);
552 void	usbd_xfer_set_frame_len(struct usb_xfer *xfer, usb_frcount_t frindex,
553 	    usb_frlength_t len);
554 void	usbd_xfer_set_timeout(struct usb_xfer *xfer, int timeout);
555 void	usbd_xfer_set_frames(struct usb_xfer *xfer, usb_frcount_t n);
556 void	usbd_xfer_set_stall(struct usb_xfer *xfer);
557 int	usbd_xfer_is_stalled(struct usb_xfer *xfer);
558 void	usbd_xfer_set_flag(struct usb_xfer *xfer, int flag);
559 void	usbd_xfer_clr_flag(struct usb_xfer *xfer, int flag);
560 uint16_t usbd_xfer_get_timestamp(struct usb_xfer *xfer);
561 
562 void	usbd_copy_in(struct usb_page_cache *cache, usb_frlength_t offset,
563 	    const void *ptr, usb_frlength_t len);
564 int	usbd_copy_in_user(struct usb_page_cache *cache, usb_frlength_t offset,
565 	    const void *ptr, usb_frlength_t len);
566 void	usbd_copy_out(struct usb_page_cache *cache, usb_frlength_t offset,
567 	    void *ptr, usb_frlength_t len);
568 int	usbd_copy_out_user(struct usb_page_cache *cache, usb_frlength_t offset,
569 	    void *ptr, usb_frlength_t len);
570 void	usbd_get_page(struct usb_page_cache *pc, usb_frlength_t offset,
571 	    struct usb_page_search *res);
572 void	usbd_m_copy_in(struct usb_page_cache *cache, usb_frlength_t dst_offset,
573 	    struct mbuf *m, usb_size_t src_offset, usb_frlength_t src_len);
574 void	usbd_frame_zero(struct usb_page_cache *cache, usb_frlength_t offset,
575 	    usb_frlength_t len);
576 void	usbd_start_re_enumerate(struct usb_device *udev);
577 
578 int	usb_fifo_attach(struct usb_device *udev, void *priv_sc,
579 	    struct mtx *priv_mtx, struct usb_fifo_methods *pm,
580 	    struct usb_fifo_sc *f_sc, uint16_t unit, int16_t subunit,
581 	    uint8_t iface_index, uid_t uid, gid_t gid, int mode);
582 void	usb_fifo_detach(struct usb_fifo_sc *f_sc);
583 int	usb_fifo_alloc_buffer(struct usb_fifo *f, uint32_t bufsize,
584 	    uint16_t nbuf);
585 void	usb_fifo_free_buffer(struct usb_fifo *f);
586 uint32_t usb_fifo_put_bytes_max(struct usb_fifo *fifo);
587 void	usb_fifo_put_data(struct usb_fifo *fifo, struct usb_page_cache *pc,
588 	    usb_frlength_t offset, usb_frlength_t len, uint8_t what);
589 void	usb_fifo_put_data_linear(struct usb_fifo *fifo, void *ptr,
590 	    usb_size_t len, uint8_t what);
591 uint8_t	usb_fifo_put_data_buffer(struct usb_fifo *f, void *ptr, usb_size_t len);
592 void	usb_fifo_put_data_error(struct usb_fifo *fifo);
593 uint8_t	usb_fifo_get_data(struct usb_fifo *fifo, struct usb_page_cache *pc,
594 	    usb_frlength_t offset, usb_frlength_t len, usb_frlength_t *actlen,
595 	    uint8_t what);
596 uint8_t	usb_fifo_get_data_linear(struct usb_fifo *fifo, void *ptr,
597 	    usb_size_t len, usb_size_t *actlen, uint8_t what);
598 uint8_t	usb_fifo_get_data_buffer(struct usb_fifo *f, void **pptr,
599 	    usb_size_t *plen);
600 void	usb_fifo_reset(struct usb_fifo *f);
601 void	usb_fifo_wakeup(struct usb_fifo *f);
602 void	usb_fifo_get_data_error(struct usb_fifo *fifo);
603 void	*usb_fifo_softc(struct usb_fifo *fifo);
604 void	usb_fifo_set_close_zlp(struct usb_fifo *, uint8_t);
605 void	usb_fifo_set_write_defrag(struct usb_fifo *, uint8_t);
606 void	usb_fifo_free(struct usb_fifo *f);
607 #endif /* _KERNEL */
608 #endif /* _USB_USBDI_H_ */
609