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: stable/11/sys/dev/usb/usbdi.h 368827 2020-12-30 01:11:12Z hselasky $
25 */
26#ifndef _USB_USBDI_H_
27#define _USB_USBDI_H_
28
29struct usb_fifo;
30struct usb_xfer;
31struct usb_device;
32struct usb_attach_arg;
33struct usb_interface;
34struct usb_endpoint;
35struct usb_page_cache;
36struct usb_page_search;
37struct usb_process;
38struct usb_proc_msg;
39struct usb_mbuf;
40struct usb_fs_privdata;
41struct mbuf;
42
43typedef 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
92typedef void (usb_callback_t)(struct usb_xfer *, usb_error_t);
93typedef void (usb_proc_callback_t)(struct usb_proc_msg *);
94typedef usb_error_t (usb_handle_req_t)(struct usb_device *,
95    struct usb_device_request *, const void **, uint16_t *);
96
97typedef int (usb_fifo_open_t)(struct usb_fifo *fifo, int fflags);
98typedef void (usb_fifo_close_t)(struct usb_fifo *fifo, int fflags);
99typedef int (usb_fifo_ioctl_t)(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags);
100typedef void (usb_fifo_cmd_t)(struct usb_fifo *fifo);
101typedef 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
108typedef void (*usb_dev_configured_t)(void *, struct usb_device *,
109    struct usb_attach_arg *);
110EVENTHANDLER_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 */
125struct 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	uint8_t	recurse_3:1;
132	uint8_t	reserved:5;
133};
134
135/*
136 * The following structure defines an USB endpoint
137 * USB endpoint.
138 */
139struct usb_endpoint {
140	/* queue of USB transfers */
141	struct usb_xfer_queue endpoint_q[USB_MAX_EP_STREAMS];
142
143	struct usb_endpoint_descriptor *edesc;
144	struct usb_endpoint_ss_comp_descriptor *ecomp;
145	const struct usb_pipe_methods *methods;	/* set by HC driver */
146
147	uint16_t isoc_next;
148
149	uint8_t	toggle_next:1;		/* next data toggle value */
150	uint8_t	is_stalled:1;		/* set if endpoint is stalled */
151	uint8_t	is_synced:1;		/* set if we a synchronised */
152	uint8_t	unused:5;
153	uint8_t	iface_index;		/* not used by "default endpoint" */
154
155	uint8_t refcount_alloc;		/* allocation refcount */
156	uint8_t refcount_bw;		/* bandwidth refcount */
157#define	USB_EP_REF_MAX 0x3f
158
159	/* High-Speed resource allocation (valid if "refcount_bw" > 0) */
160
161	uint8_t	usb_smask;		/* USB start mask */
162	uint8_t	usb_cmask;		/* USB complete mask */
163	uint8_t	usb_uframe;		/* USB microframe */
164
165	/* USB endpoint mode, see USB_EP_MODE_XXX */
166
167	uint8_t ep_mode;
168};
169
170/*
171 * The following structure defines an USB interface.
172 */
173struct usb_interface {
174	struct usb_interface_descriptor *idesc;
175	device_t subdev;
176	/* Total number of alternate settings, from 1 to 256 */
177	uint16_t num_altsetting;
178	/* Current alternate interface index, from 0 to 255 */
179	uint8_t	alt_index;
180	uint8_t	parent_iface_index;
181
182	/* Linux compat */
183	struct usb_host_interface *altsetting;
184	struct usb_host_interface *cur_altsetting;
185	struct usb_device *linux_udev;
186	void   *bsd_priv_sc;		/* device specific information */
187	char   *pnpinfo;		/* additional PnP-info for this interface */
188	uint8_t	bsd_iface_index;
189};
190
191/*
192 * The following structure defines a set of USB transfer flags.
193 */
194struct usb_xfer_flags {
195	uint8_t	force_short_xfer:1;	/* force a short transmit transfer
196					 * last */
197	uint8_t	short_xfer_ok:1;	/* allow short receive transfers */
198	uint8_t	short_frames_ok:1;	/* allow short frames */
199	uint8_t	pipe_bof:1;		/* block pipe on failure */
200	uint8_t	proxy_buffer:1;		/* makes buffer size a factor of
201					 * "max_frame_size" */
202	uint8_t	ext_buffer:1;		/* uses external DMA buffer */
203	uint8_t	manual_status:1;	/* non automatic status stage on
204					 * control transfers */
205	uint8_t	no_pipe_ok:1;		/* set if "USB_ERR_NO_PIPE" error can
206					 * be ignored */
207	uint8_t	stall_pipe:1;		/* set if the endpoint belonging to
208					 * this USB transfer should be stalled
209					 * before starting this transfer! */
210	uint8_t pre_scale_frames:1;	/* "usb_config->frames" is
211					 * assumed to give the
212					 * buffering time in
213					 * milliseconds and is
214					 * converted into the nearest
215					 * number of frames when the
216					 * USB transfer is setup. This
217					 * option only has effect for
218					 * ISOCHRONOUS transfers.
219					 */
220};
221
222/*
223 * The following structure define an USB configuration, that basically
224 * is used when setting up an USB transfer.
225 */
226struct usb_config {
227	usb_callback_t *callback;	/* USB transfer callback */
228	usb_frlength_t bufsize;	/* total pipe buffer size in bytes */
229	usb_frcount_t frames;		/* maximum number of USB frames */
230	usb_timeout_t interval;	/* interval in milliseconds */
231#define	USB_DEFAULT_INTERVAL	0
232	usb_timeout_t timeout;		/* transfer timeout in milliseconds */
233	struct usb_xfer_flags flags;	/* transfer flags */
234	usb_stream_t stream_id;		/* USB3.0 specific */
235	enum usb_hc_mode usb_mode;	/* host or device mode */
236	uint8_t	type;			/* pipe type */
237	uint8_t	endpoint;		/* pipe number */
238	uint8_t	direction;		/* pipe direction */
239	uint8_t	ep_index;		/* pipe index match to use */
240	uint8_t	if_index;		/* "ifaces" index to use */
241};
242
243/*
244 * Use these macro when defining USB device ID arrays if you want to
245 * have your driver module automatically loaded in host, device or
246 * both modes respectively:
247 */
248#if USB_HAVE_ID_SECTION
249#define	STRUCT_USB_HOST_ID \
250    struct usb_device_id __section("usb_host_id")
251#define	STRUCT_USB_DEVICE_ID \
252    struct usb_device_id __section("usb_device_id")
253#define	STRUCT_USB_DUAL_ID \
254    struct usb_device_id __section("usb_dual_id")
255#else
256#define	STRUCT_USB_HOST_ID \
257    struct usb_device_id
258#define	STRUCT_USB_DEVICE_ID \
259    struct usb_device_id
260#define	STRUCT_USB_DUAL_ID \
261    struct usb_device_id
262#endif			/* USB_HAVE_ID_SECTION */
263
264/*
265 * The following structure is used when looking up an USB driver for
266 * an USB device. It is inspired by the Linux structure called
267 * "usb_device_id".
268 */
269struct usb_device_id {
270
271	/* Select which fields to match against */
272#if BYTE_ORDER == LITTLE_ENDIAN
273	uint16_t
274		match_flag_vendor:1,
275		match_flag_product:1,
276		match_flag_dev_lo:1,
277		match_flag_dev_hi:1,
278
279		match_flag_dev_class:1,
280		match_flag_dev_subclass:1,
281		match_flag_dev_protocol:1,
282		match_flag_int_class:1,
283
284		match_flag_int_subclass:1,
285		match_flag_int_protocol:1,
286		match_flag_unused:6;
287#else
288	uint16_t
289		match_flag_unused:6,
290		match_flag_int_protocol:1,
291		match_flag_int_subclass:1,
292
293		match_flag_int_class:1,
294		match_flag_dev_protocol:1,
295		match_flag_dev_subclass:1,
296		match_flag_dev_class:1,
297
298		match_flag_dev_hi:1,
299		match_flag_dev_lo:1,
300		match_flag_product:1,
301		match_flag_vendor:1;
302#endif
303
304	/* Used for product specific matches; the BCD range is inclusive */
305	uint16_t idVendor;
306	uint16_t idProduct;
307	uint16_t bcdDevice_lo;
308	uint16_t bcdDevice_hi;
309
310	/* Used for device class matches */
311	uint8_t	bDeviceClass;
312	uint8_t	bDeviceSubClass;
313	uint8_t	bDeviceProtocol;
314
315	/* Used for interface class matches */
316	uint8_t	bInterfaceClass;
317	uint8_t	bInterfaceSubClass;
318	uint8_t	bInterfaceProtocol;
319
320#if USB_HAVE_COMPAT_LINUX
321	/* which fields to match against */
322	uint16_t match_flags;
323#define	USB_DEVICE_ID_MATCH_VENDOR		0x0001
324#define	USB_DEVICE_ID_MATCH_PRODUCT		0x0002
325#define	USB_DEVICE_ID_MATCH_DEV_LO		0x0004
326#define	USB_DEVICE_ID_MATCH_DEV_HI		0x0008
327#define	USB_DEVICE_ID_MATCH_DEV_CLASS		0x0010
328#define	USB_DEVICE_ID_MATCH_DEV_SUBCLASS	0x0020
329#define	USB_DEVICE_ID_MATCH_DEV_PROTOCOL	0x0040
330#define	USB_DEVICE_ID_MATCH_INT_CLASS		0x0080
331#define	USB_DEVICE_ID_MATCH_INT_SUBCLASS	0x0100
332#define	USB_DEVICE_ID_MATCH_INT_PROTOCOL	0x0200
333#endif
334
335	/* Hook for driver specific information */
336	unsigned long driver_info;
337} __aligned(32);
338
339#define USB_STD_PNP_INFO "M16:mask;U16:vendor;U16:product;L16:release;G16:release;" \
340	"U8:devclass;U8:devsubclass;U8:devprotocol;" \
341	"U8:intclass;U8:intsubclass;U8:intprotocol;"
342#define USB_STD_PNP_HOST_INFO USB_STD_PNP_INFO "T:mode=host;"
343#define USB_STD_PNP_DEVICE_INFO USB_STD_PNP_INFO "T:mode=device;"
344#define USB_PNP_HOST_INFO(table)					\
345	MODULE_PNP_INFO(USB_STD_PNP_HOST_INFO, usb, table, table, sizeof(table[0]), \
346	    sizeof(table) / sizeof(table[0]))
347#define USB_PNP_DEVICE_INFO(table)					\
348	MODULE_PNP_INFO(USB_STD_PNP_DEVICE_INFO, usb, table, table, sizeof(table[0]), \
349	    sizeof(table) / sizeof(table[0]))
350#define USB_PNP_DUAL_INFO(table)					\
351	MODULE_PNP_INFO(USB_STD_PNP_INFO, usb, table, table, sizeof(table[0]), \
352	    sizeof(table) / sizeof(table[0]))
353
354/* check that the size of the structure above is correct */
355extern char usb_device_id_assert[(sizeof(struct usb_device_id) == 32) ? 1 : -1];
356
357#define	USB_VENDOR(vend)			\
358  .match_flag_vendor = 1, .idVendor = (vend)
359
360#define	USB_PRODUCT(prod)			\
361  .match_flag_product = 1, .idProduct = (prod)
362
363#define	USB_VP(vend,prod)			\
364  USB_VENDOR(vend), USB_PRODUCT(prod)
365
366#define	USB_VPI(vend,prod,info)			\
367  USB_VENDOR(vend), USB_PRODUCT(prod), USB_DRIVER_INFO(info)
368
369#define	USB_DEV_BCD_GTEQ(lo)	/* greater than or equal */ \
370  .match_flag_dev_lo = 1, .bcdDevice_lo = (lo)
371
372#define	USB_DEV_BCD_LTEQ(hi)	/* less than or equal */ \
373  .match_flag_dev_hi = 1, .bcdDevice_hi = (hi)
374
375#define	USB_DEV_CLASS(dc)			\
376  .match_flag_dev_class = 1, .bDeviceClass = (dc)
377
378#define	USB_DEV_SUBCLASS(dsc)			\
379  .match_flag_dev_subclass = 1, .bDeviceSubClass = (dsc)
380
381#define	USB_DEV_PROTOCOL(dp)			\
382  .match_flag_dev_protocol = 1, .bDeviceProtocol = (dp)
383
384#define	USB_IFACE_CLASS(ic)			\
385  .match_flag_int_class = 1, .bInterfaceClass = (ic)
386
387#define	USB_IFACE_SUBCLASS(isc)			\
388  .match_flag_int_subclass = 1, .bInterfaceSubClass = (isc)
389
390#define	USB_IFACE_PROTOCOL(ip)			\
391  .match_flag_int_protocol = 1, .bInterfaceProtocol = (ip)
392
393#define	USB_IF_CSI(class,subclass,info)			\
394  USB_IFACE_CLASS(class), USB_IFACE_SUBCLASS(subclass), USB_DRIVER_INFO(info)
395
396#define	USB_DRIVER_INFO(n)			\
397  .driver_info = (n)
398
399#define	USB_GET_DRIVER_INFO(did)		\
400  (did)->driver_info
401
402/*
403 * The following structure keeps information that is used to match
404 * against an array of "usb_device_id" elements.
405 */
406struct usbd_lookup_info {
407	uint16_t idVendor;
408	uint16_t idProduct;
409	uint16_t bcdDevice;
410	uint8_t	bDeviceClass;
411	uint8_t	bDeviceSubClass;
412	uint8_t	bDeviceProtocol;
413	uint8_t	bInterfaceClass;
414	uint8_t	bInterfaceSubClass;
415	uint8_t	bInterfaceProtocol;
416	uint8_t	bIfaceIndex;
417	uint8_t	bIfaceNum;
418	uint8_t	bConfigIndex;
419	uint8_t	bConfigNum;
420};
421
422/* Structure used by probe and attach */
423
424struct usb_attach_arg {
425	struct usbd_lookup_info info;
426	device_t temp_dev;		/* for internal use */
427	unsigned long driver_info;	/* for internal use */
428	void *driver_ivar;
429	struct usb_device *device;	/* current device */
430	struct usb_interface *iface;	/* current interface */
431	enum usb_hc_mode usb_mode;	/* host or device mode */
432	uint8_t	port;
433	uint8_t dev_state;
434#define UAA_DEV_READY		0
435#define UAA_DEV_DISABLED	1
436#define UAA_DEV_EJECTING	2
437};
438
439/*
440 * The following is a wrapper for the callout structure to ease
441 * porting the code to other platforms.
442 */
443struct usb_callout {
444	struct callout co;
445};
446#define	usb_callout_init_mtx(c,m,f) callout_init_mtx(&(c)->co,m,f)
447#define	usb_callout_reset(c,t,f,d) callout_reset(&(c)->co,t,f,d)
448#define	usb_callout_stop(c) callout_stop(&(c)->co)
449#define	usb_callout_drain(c) callout_drain(&(c)->co)
450#define	usb_callout_pending(c) callout_pending(&(c)->co)
451
452/* USB transfer states */
453
454#define	USB_ST_SETUP       0
455#define	USB_ST_TRANSFERRED 1
456#define	USB_ST_ERROR       2
457
458/* USB handle request states */
459#define	USB_HR_NOT_COMPLETE	0
460#define	USB_HR_COMPLETE_OK	1
461#define	USB_HR_COMPLETE_ERR	2
462
463/*
464 * The following macro will return the current state of an USB
465 * transfer like defined by the "USB_ST_XXX" enums.
466 */
467#define	USB_GET_STATE(xfer) (usbd_xfer_state(xfer))
468
469/*
470 * The following structure defines the USB process message header.
471 */
472struct usb_proc_msg {
473	TAILQ_ENTRY(usb_proc_msg) pm_qentry;
474	usb_proc_callback_t *pm_callback;
475	usb_size_t pm_num;
476};
477
478#define	USB_FIFO_TX 0
479#define	USB_FIFO_RX 1
480
481/*
482 * Locking note for the following functions.  All the
483 * "usb_fifo_cmd_t" and "usb_fifo_filter_t" functions are called
484 * locked. The others are called unlocked.
485 */
486struct usb_fifo_methods {
487	usb_fifo_open_t *f_open;
488	usb_fifo_close_t *f_close;
489	usb_fifo_ioctl_t *f_ioctl;
490	/*
491	 * NOTE: The post-ioctl callback is called after the USB reference
492	 * gets locked in the IOCTL handler:
493	 */
494	usb_fifo_ioctl_t *f_ioctl_post;
495	usb_fifo_cmd_t *f_start_read;
496	usb_fifo_cmd_t *f_stop_read;
497	usb_fifo_cmd_t *f_start_write;
498	usb_fifo_cmd_t *f_stop_write;
499	usb_fifo_filter_t *f_filter_read;
500	usb_fifo_filter_t *f_filter_write;
501	const char *basename[4];
502	const char *postfix[4];
503};
504
505struct usb_fifo_sc {
506	struct usb_fifo *fp[2];
507	struct usb_fs_privdata *dev;
508};
509
510const char *usbd_errstr(usb_error_t error);
511void	*usbd_find_descriptor(struct usb_device *udev, void *id,
512	    uint8_t iface_index, uint8_t type, uint8_t type_mask,
513	    uint8_t subtype, uint8_t subtype_mask);
514struct usb_config_descriptor *usbd_get_config_descriptor(
515	    struct usb_device *udev);
516struct usb_device_descriptor *usbd_get_device_descriptor(
517	    struct usb_device *udev);
518struct usb_interface *usbd_get_iface(struct usb_device *udev,
519	    uint8_t iface_index);
520struct usb_interface_descriptor *usbd_get_interface_descriptor(
521	    struct usb_interface *iface);
522struct usb_endpoint *usbd_get_endpoint(struct usb_device *udev, uint8_t iface_index,
523		    const struct usb_config *setup);
524struct usb_endpoint *usbd_get_ep_by_addr(struct usb_device *udev, uint8_t ea_val);
525usb_error_t	usbd_interface_count(struct usb_device *udev, uint8_t *count);
526enum usb_hc_mode usbd_get_mode(struct usb_device *udev);
527enum usb_dev_speed usbd_get_speed(struct usb_device *udev);
528void	device_set_usb_desc(device_t dev);
529void	usb_pause_mtx(struct mtx *mtx, int _ticks);
530usb_error_t	usbd_set_pnpinfo(struct usb_device *udev,
531			uint8_t iface_index, const char *pnpinfo);
532usb_error_t	usbd_add_dynamic_quirk(struct usb_device *udev,
533			uint16_t quirk);
534usb_error_t	usbd_set_endpoint_mode(struct usb_device *udev,
535			struct usb_endpoint *ep, uint8_t ep_mode);
536uint8_t		usbd_get_endpoint_mode(struct usb_device *udev,
537			struct usb_endpoint *ep);
538
539const struct usb_device_id *usbd_lookup_id_by_info(
540	    const struct usb_device_id *id, usb_size_t sizeof_id,
541	    const struct usbd_lookup_info *info);
542int	usbd_lookup_id_by_uaa(const struct usb_device_id *id,
543	    usb_size_t sizeof_id, struct usb_attach_arg *uaa);
544
545usb_error_t usbd_do_request_flags(struct usb_device *udev, struct mtx *mtx,
546		    struct usb_device_request *req, void *data, uint16_t flags,
547		    uint16_t *actlen, usb_timeout_t timeout);
548#define	usbd_do_request(u,m,r,d) \
549  usbd_do_request_flags(u,m,r,d,0,NULL,USB_DEFAULT_TIMEOUT)
550
551uint8_t	usbd_clear_stall_callback(struct usb_xfer *xfer1,
552	    struct usb_xfer *xfer2);
553uint8_t	usbd_get_interface_altindex(struct usb_interface *iface);
554usb_error_t usbd_set_alt_interface_index(struct usb_device *udev,
555	    uint8_t iface_index, uint8_t alt_index);
556uint32_t usbd_get_isoc_fps(struct usb_device *udev);
557uint32_t usbd_get_max_frame_length(const struct usb_endpoint_descriptor *,
558    const struct usb_endpoint_ss_comp_descriptor *,
559    enum usb_dev_speed);
560usb_error_t usbd_transfer_setup(struct usb_device *udev,
561	    const uint8_t *ifaces, struct usb_xfer **pxfer,
562	    const struct usb_config *setup_start, uint16_t n_setup,
563	    void *priv_sc, struct mtx *priv_mtx);
564void	usbd_transfer_submit(struct usb_xfer *xfer);
565void	usbd_transfer_clear_stall(struct usb_xfer *xfer);
566void	usbd_transfer_drain(struct usb_xfer *xfer);
567uint8_t	usbd_transfer_pending(struct usb_xfer *xfer);
568void	usbd_transfer_start(struct usb_xfer *xfer);
569void	usbd_transfer_stop(struct usb_xfer *xfer);
570void	usbd_transfer_unsetup(struct usb_xfer **pxfer, uint16_t n_setup);
571void	usbd_transfer_poll(struct usb_xfer **ppxfer, uint16_t max);
572void	usbd_set_parent_iface(struct usb_device *udev, uint8_t iface_index,
573	    uint8_t parent_index);
574uint8_t	usbd_get_bus_index(struct usb_device *udev);
575uint8_t	usbd_get_device_index(struct usb_device *udev);
576void	usbd_set_power_mode(struct usb_device *udev, uint8_t power_mode);
577uint8_t	usbd_filter_power_mode(struct usb_device *udev, uint8_t power_mode);
578uint8_t	usbd_device_attached(struct usb_device *udev);
579
580usb_frlength_t
581	usbd_xfer_old_frame_length(struct usb_xfer *xfer, usb_frcount_t frindex);
582void	usbd_xfer_status(struct usb_xfer *xfer, int *actlen, int *sumlen,
583	    int *aframes, int *nframes);
584struct usb_page_cache *usbd_xfer_get_frame(struct usb_xfer *, usb_frcount_t);
585void	*usbd_xfer_get_frame_buffer(struct usb_xfer *, usb_frcount_t);
586void	*usbd_xfer_softc(struct usb_xfer *xfer);
587void	*usbd_xfer_get_priv(struct usb_xfer *xfer);
588void	usbd_xfer_set_priv(struct usb_xfer *xfer, void *);
589void	usbd_xfer_set_interval(struct usb_xfer *xfer, int);
590uint8_t	usbd_xfer_state(struct usb_xfer *xfer);
591void	usbd_xfer_set_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex,
592	    void *ptr, usb_frlength_t len);
593void	usbd_xfer_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex,
594	    void **ptr, int *len);
595void	usbd_xfer_set_frame_offset(struct usb_xfer *xfer, usb_frlength_t offset,
596	    usb_frcount_t frindex);
597usb_frlength_t usbd_xfer_max_len(struct usb_xfer *xfer);
598usb_frlength_t usbd_xfer_max_framelen(struct usb_xfer *xfer);
599usb_frcount_t usbd_xfer_max_frames(struct usb_xfer *xfer);
600uint8_t	usbd_xfer_get_fps_shift(struct usb_xfer *xfer);
601usb_frlength_t usbd_xfer_frame_len(struct usb_xfer *xfer,
602	    usb_frcount_t frindex);
603void	usbd_xfer_set_frame_len(struct usb_xfer *xfer, usb_frcount_t frindex,
604	    usb_frlength_t len);
605void	usbd_xfer_set_timeout(struct usb_xfer *xfer, int timeout);
606void	usbd_xfer_set_frames(struct usb_xfer *xfer, usb_frcount_t n);
607void	usbd_xfer_set_stall(struct usb_xfer *xfer);
608int	usbd_xfer_is_stalled(struct usb_xfer *xfer);
609void	usbd_xfer_set_flag(struct usb_xfer *xfer, int flag);
610void	usbd_xfer_clr_flag(struct usb_xfer *xfer, int flag);
611uint16_t usbd_xfer_get_timestamp(struct usb_xfer *xfer);
612uint8_t usbd_xfer_maxp_was_clamped(struct usb_xfer *xfer);
613
614void	usbd_copy_in(struct usb_page_cache *cache, usb_frlength_t offset,
615	    const void *ptr, usb_frlength_t len);
616int	usbd_copy_in_user(struct usb_page_cache *cache, usb_frlength_t offset,
617	    const void *ptr, usb_frlength_t len);
618void	usbd_copy_out(struct usb_page_cache *cache, usb_frlength_t offset,
619	    void *ptr, usb_frlength_t len);
620int	usbd_copy_out_user(struct usb_page_cache *cache, usb_frlength_t offset,
621	    void *ptr, usb_frlength_t len);
622void	usbd_get_page(struct usb_page_cache *pc, usb_frlength_t offset,
623	    struct usb_page_search *res);
624void	usbd_m_copy_in(struct usb_page_cache *cache, usb_frlength_t dst_offset,
625	    struct mbuf *m, usb_size_t src_offset, usb_frlength_t src_len);
626void	usbd_frame_zero(struct usb_page_cache *cache, usb_frlength_t offset,
627	    usb_frlength_t len);
628void	usbd_start_re_enumerate(struct usb_device *udev);
629usb_error_t
630	usbd_start_set_config(struct usb_device *, uint8_t);
631
632int	usb_fifo_attach(struct usb_device *udev, void *priv_sc,
633	    struct mtx *priv_mtx, struct usb_fifo_methods *pm,
634	    struct usb_fifo_sc *f_sc, uint16_t unit, int16_t subunit,
635	    uint8_t iface_index, uid_t uid, gid_t gid, int mode);
636void	usb_fifo_detach(struct usb_fifo_sc *f_sc);
637int	usb_fifo_alloc_buffer(struct usb_fifo *f, uint32_t bufsize,
638	    uint16_t nbuf);
639void	usb_fifo_free_buffer(struct usb_fifo *f);
640uint32_t usb_fifo_put_bytes_max(struct usb_fifo *fifo);
641void	usb_fifo_put_data(struct usb_fifo *fifo, struct usb_page_cache *pc,
642	    usb_frlength_t offset, usb_frlength_t len, uint8_t what);
643void	usb_fifo_put_data_linear(struct usb_fifo *fifo, void *ptr,
644	    usb_size_t len, uint8_t what);
645uint8_t	usb_fifo_put_data_buffer(struct usb_fifo *f, void *ptr, usb_size_t len);
646void	usb_fifo_put_data_error(struct usb_fifo *fifo);
647uint8_t	usb_fifo_get_data(struct usb_fifo *fifo, struct usb_page_cache *pc,
648	    usb_frlength_t offset, usb_frlength_t len, usb_frlength_t *actlen,
649	    uint8_t what);
650uint8_t	usb_fifo_get_data_linear(struct usb_fifo *fifo, void *ptr,
651	    usb_size_t len, usb_size_t *actlen, uint8_t what);
652uint8_t	usb_fifo_get_data_buffer(struct usb_fifo *f, void **pptr,
653	    usb_size_t *plen);
654void	usb_fifo_reset(struct usb_fifo *f);
655void	usb_fifo_wakeup(struct usb_fifo *f);
656void	usb_fifo_get_data_error(struct usb_fifo *fifo);
657void	*usb_fifo_softc(struct usb_fifo *fifo);
658void	usb_fifo_set_close_zlp(struct usb_fifo *, uint8_t);
659void	usb_fifo_set_write_defrag(struct usb_fifo *, uint8_t);
660void	usb_fifo_free(struct usb_fifo *f);
661#endif /* _KERNEL */
662#endif /* _USB_USBDI_H_ */
663