1/* $FreeBSD$ */
2/*-
3 * Copyright (c) 2001 The NetBSD Foundation, Inc.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to The NetBSD Foundation
7 * by Lennart Augustsson (lennart@augustsson.net).
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef _EHCI_H_
32#define	_EHCI_H_
33
34#define	EHCI_MAX_DEVICES MIN(USB_MAX_DEVICES, 128)
35
36/*
37 * Alignment NOTE: structures must be aligned so that the hardware can index
38 * without performing addition.
39 */
40#define	EHCI_FRAMELIST_ALIGN          0x1000	/* bytes */
41#define	EHCI_FRAMELIST_COUNT            1024	/* units */
42#define	EHCI_VIRTUAL_FRAMELIST_COUNT     128	/* units */
43
44#if ((8*EHCI_VIRTUAL_FRAMELIST_COUNT) < USB_MAX_HS_ISOC_FRAMES_PER_XFER)
45#error "maximum number of high-speed isochronous frames is higher than supported!"
46#endif
47
48#if (EHCI_VIRTUAL_FRAMELIST_COUNT < USB_MAX_FS_ISOC_FRAMES_PER_XFER)
49#error "maximum number of full-speed isochronous frames is higher than supported!"
50#endif
51
52/* Link types */
53#define	EHCI_LINK_TERMINATE	0x00000001
54#define	EHCI_LINK_TYPE(x)	((x) & 0x00000006)
55#define	EHCI_LINK_ITD		0x0
56#define	EHCI_LINK_QH		0x2
57#define	EHCI_LINK_SITD		0x4
58#define	EHCI_LINK_FSTN		0x6
59#define	EHCI_LINK_ADDR(x)	((x) &~ 0x1f)
60
61/* Structures alignment (bytes) */
62#define	EHCI_ITD_ALIGN	128
63#define	EHCI_SITD_ALIGN	64
64#define	EHCI_QTD_ALIGN	64
65#define	EHCI_QH_ALIGN	128
66#define	EHCI_FSTN_ALIGN	32
67/* Data buffers are divided into one or more pages */
68#define	EHCI_PAGE_SIZE	0x1000
69#if	((USB_PAGE_SIZE < EHCI_PAGE_SIZE) || (EHCI_PAGE_SIZE == 0) ||	\
70	(USB_PAGE_SIZE < EHCI_ITD_ALIGN) || (EHCI_ITD_ALIGN == 0) ||	\
71	(USB_PAGE_SIZE < EHCI_SITD_ALIGN) || (EHCI_SITD_ALIGN == 0) ||	\
72	(USB_PAGE_SIZE < EHCI_QTD_ALIGN) || (EHCI_QTD_ALIGN == 0) ||	\
73	(USB_PAGE_SIZE < EHCI_QH_ALIGN) || (EHCI_QH_ALIGN == 0) ||	\
74	(USB_PAGE_SIZE < EHCI_FSTN_ALIGN) || (EHCI_FSTN_ALIGN == 0))
75#error	"Invalid USB page size!"
76#endif
77
78
79/*
80 * Isochronous Transfer Descriptor.  This descriptor is used for high speed
81 * transfers only.
82 */
83struct ehci_itd {
84	volatile uint32_t itd_next;
85	volatile uint32_t itd_status[8];
86#define	EHCI_ITD_SET_LEN(x)	((x) << 16)
87#define	EHCI_ITD_GET_LEN(x)	(((x) >> 16) & 0xFFF)
88#define	EHCI_ITD_IOC		(1 << 15)
89#define	EHCI_ITD_SET_PG(x)	((x) << 12)
90#define	EHCI_ITD_GET_PG(x)	(((x) >> 12) & 0x7)
91#define	EHCI_ITD_SET_OFFS(x)	(x)
92#define	EHCI_ITD_GET_OFFS(x)	(((x) >> 0) & 0xFFF)
93#define	EHCI_ITD_ACTIVE		(1U << 31)
94#define	EHCI_ITD_DATABUFERR	(1 << 30)
95#define	EHCI_ITD_BABBLE		(1 << 29)
96#define	EHCI_ITD_XACTERR	(1 << 28)
97	volatile uint32_t itd_bp[7];
98	/* itd_bp[0] */
99#define	EHCI_ITD_SET_ADDR(x)	(x)
100#define	EHCI_ITD_GET_ADDR(x)	(((x) >> 0) & 0x7F)
101#define	EHCI_ITD_SET_ENDPT(x)	((x) << 8)
102#define	EHCI_ITD_GET_ENDPT(x)	(((x) >> 8) & 0xF)
103	/* itd_bp[1] */
104#define	EHCI_ITD_SET_DIR_IN	(1 << 11)
105#define	EHCI_ITD_SET_DIR_OUT	(0 << 11)
106#define	EHCI_ITD_SET_MPL(x)	(x)
107#define	EHCI_ITD_GET_MPL(x)	(((x) >> 0) & 0x7FF)
108	volatile uint32_t itd_bp_hi[7];
109/*
110 * Extra information needed:
111 */
112	uint32_t itd_self;
113	struct ehci_itd *next;
114	struct ehci_itd *prev;
115	struct ehci_itd *obj_next;
116	struct usb_page_cache *page_cache;
117} __aligned(EHCI_ITD_ALIGN);
118
119typedef struct ehci_itd ehci_itd_t;
120
121/*
122 * Split Transaction Isochronous Transfer Descriptor.  This descriptor is used
123 * for full speed transfers only.
124 */
125struct ehci_sitd {
126	volatile uint32_t sitd_next;
127	volatile uint32_t sitd_portaddr;
128#define	EHCI_SITD_SET_DIR_OUT	(0 << 31)
129#define	EHCI_SITD_SET_DIR_IN	(1U << 31)
130#define	EHCI_SITD_SET_ADDR(x)	(x)
131#define	EHCI_SITD_GET_ADDR(x)	((x) & 0x7F)
132#define	EHCI_SITD_SET_ENDPT(x)	((x) << 8)
133#define	EHCI_SITD_GET_ENDPT(x)	(((x) >> 8) & 0xF)
134#define	EHCI_SITD_GET_DIR(x)	((x) >> 31)
135#define	EHCI_SITD_SET_PORT(x)	((x) << 24)
136#define	EHCI_SITD_GET_PORT(x)	(((x) >> 24) & 0x7F)
137#define	EHCI_SITD_SET_HUBA(x)	((x) << 16)
138#define	EHCI_SITD_GET_HUBA(x)	(((x) >> 16) & 0x7F)
139	volatile uint32_t sitd_mask;
140#define	EHCI_SITD_SET_SMASK(x)	(x)
141#define	EHCI_SITD_SET_CMASK(x)	((x) << 8)
142	volatile uint32_t sitd_status;
143#define	EHCI_SITD_COMPLETE_SPLIT	(1<<1)
144#define	EHCI_SITD_START_SPLIT		(0<<1)
145#define	EHCI_SITD_MISSED_MICRO_FRAME	(1<<2)
146#define	EHCI_SITD_XACTERR		(1<<3)
147#define	EHCI_SITD_BABBLE		(1<<4)
148#define	EHCI_SITD_DATABUFERR		(1<<5)
149#define	EHCI_SITD_ERROR			(1<<6)
150#define	EHCI_SITD_ACTIVE		(1<<7)
151#define	EHCI_SITD_IOC			(1<<31)
152#define	EHCI_SITD_SET_LEN(len)		((len)<<16)
153#define	EHCI_SITD_GET_LEN(x)		(((x)>>16) & 0x3FF)
154	volatile uint32_t sitd_bp[2];
155	volatile uint32_t sitd_back;
156	volatile uint32_t sitd_bp_hi[2];
157/*
158 * Extra information needed:
159 */
160	uint32_t sitd_self;
161	struct ehci_sitd *next;
162	struct ehci_sitd *prev;
163	struct ehci_sitd *obj_next;
164	struct usb_page_cache *page_cache;
165} __aligned(EHCI_SITD_ALIGN);
166
167typedef struct ehci_sitd ehci_sitd_t;
168
169/* Queue Element Transfer Descriptor */
170struct ehci_qtd {
171	volatile uint32_t qtd_next;
172	volatile uint32_t qtd_altnext;
173	volatile uint32_t qtd_status;
174#define	EHCI_QTD_GET_STATUS(x)	(((x) >>  0) & 0xff)
175#define	EHCI_QTD_SET_STATUS(x)  ((x) << 0)
176#define	EHCI_QTD_ACTIVE		0x80
177#define	EHCI_QTD_HALTED		0x40
178#define	EHCI_QTD_BUFERR		0x20
179#define	EHCI_QTD_BABBLE		0x10
180#define	EHCI_QTD_XACTERR	0x08
181#define	EHCI_QTD_MISSEDMICRO	0x04
182#define	EHCI_QTD_SPLITXSTATE	0x02
183#define	EHCI_QTD_PINGSTATE	0x01
184#define	EHCI_QTD_STATERRS	0x74
185#define	EHCI_QTD_GET_PID(x)	(((x) >>  8) & 0x3)
186#define	EHCI_QTD_SET_PID(x)	((x) <<  8)
187#define	EHCI_QTD_PID_OUT	0x0
188#define	EHCI_QTD_PID_IN		0x1
189#define	EHCI_QTD_PID_SETUP	0x2
190#define	EHCI_QTD_GET_CERR(x)	(((x) >> 10) &  0x3)
191#define	EHCI_QTD_SET_CERR(x)	((x) << 10)
192#define	EHCI_QTD_GET_C_PAGE(x)	(((x) >> 12) &  0x7)
193#define	EHCI_QTD_SET_C_PAGE(x)	((x) << 12)
194#define	EHCI_QTD_GET_IOC(x)	(((x) >> 15) &  0x1)
195#define	EHCI_QTD_IOC		0x00008000
196#define	EHCI_QTD_GET_BYTES(x)	(((x) >> 16) &  0x7fff)
197#define	EHCI_QTD_SET_BYTES(x)	((x) << 16)
198#define	EHCI_QTD_GET_TOGGLE(x)	(((x) >> 31) &  0x1)
199#define	EHCI_QTD_SET_TOGGLE(x)	((x) << 31)
200#define	EHCI_QTD_TOGGLE_MASK	0x80000000
201#define	EHCI_QTD_NBUFFERS	5
202#define	EHCI_QTD_PAYLOAD_MAX ((EHCI_QTD_NBUFFERS-1)*EHCI_PAGE_SIZE)
203	volatile uint32_t qtd_buffer[EHCI_QTD_NBUFFERS];
204	volatile uint32_t qtd_buffer_hi[EHCI_QTD_NBUFFERS];
205/*
206 * Extra information needed:
207 */
208	struct ehci_qtd *alt_next;
209	struct ehci_qtd *obj_next;
210	struct usb_page_cache *page_cache;
211	uint32_t qtd_self;
212	uint16_t len;
213} __aligned(EHCI_QTD_ALIGN);
214
215typedef struct ehci_qtd ehci_qtd_t;
216
217/* Queue Head Sub Structure */
218struct ehci_qh_sub {
219	volatile uint32_t qtd_next;
220	volatile uint32_t qtd_altnext;
221	volatile uint32_t qtd_status;
222	volatile uint32_t qtd_buffer[EHCI_QTD_NBUFFERS];
223	volatile uint32_t qtd_buffer_hi[EHCI_QTD_NBUFFERS];
224} __aligned(4);
225
226/* Queue Head */
227struct ehci_qh {
228	volatile uint32_t qh_link;
229	volatile uint32_t qh_endp;
230#define	EHCI_QH_GET_ADDR(x)	(((x) >>  0) & 0x7f)	/* endpoint addr */
231#define	EHCI_QH_SET_ADDR(x)	(x)
232#define	EHCI_QH_ADDRMASK	0x0000007f
233#define	EHCI_QH_GET_INACT(x)	(((x) >>  7) & 0x01)	/* inactivate on next */
234#define	EHCI_QH_INACT		0x00000080
235#define	EHCI_QH_GET_ENDPT(x)	(((x) >>  8) & 0x0f)	/* endpoint no */
236#define	EHCI_QH_SET_ENDPT(x)	((x) <<  8)
237#define	EHCI_QH_GET_EPS(x)	(((x) >> 12) & 0x03)	/* endpoint speed */
238#define	EHCI_QH_SET_EPS(x)	((x) << 12)
239#define	EHCI_QH_SPEED_FULL	0x0
240#define	EHCI_QH_SPEED_LOW	0x1
241#define	EHCI_QH_SPEED_HIGH	0x2
242#define	EHCI_QH_GET_DTC(x)	(((x) >> 14) & 0x01)	/* data toggle control */
243#define	EHCI_QH_DTC		0x00004000
244#define	EHCI_QH_GET_HRECL(x)	(((x) >> 15) & 0x01)	/* head of reclamation */
245#define	EHCI_QH_HRECL		0x00008000
246#define	EHCI_QH_GET_MPL(x)	(((x) >> 16) & 0x7ff)	/* max packet len */
247#define	EHCI_QH_SET_MPL(x)	((x) << 16)
248#define	EHCI_QH_MPLMASK		0x07ff0000
249#define	EHCI_QH_GET_CTL(x)	(((x) >> 27) & 0x01)	/* control endpoint */
250#define	EHCI_QH_CTL		0x08000000
251#define	EHCI_QH_GET_NRL(x)	(((x) >> 28) & 0x0f)	/* NAK reload */
252#define	EHCI_QH_SET_NRL(x)	((x) << 28)
253	volatile uint32_t qh_endphub;
254#define	EHCI_QH_GET_SMASK(x)	(((x) >>  0) & 0xff)	/* intr sched mask */
255#define	EHCI_QH_SET_SMASK(x)	((x) <<  0)
256#define	EHCI_QH_GET_CMASK(x)	(((x) >>  8) & 0xff)	/* split completion mask */
257#define	EHCI_QH_SET_CMASK(x)	((x) <<  8)
258#define	EHCI_QH_GET_HUBA(x)	(((x) >> 16) & 0x7f)	/* hub address */
259#define	EHCI_QH_SET_HUBA(x)	((x) << 16)
260#define	EHCI_QH_GET_PORT(x)	(((x) >> 23) & 0x7f)	/* hub port */
261#define	EHCI_QH_SET_PORT(x)	((x) << 23)
262#define	EHCI_QH_GET_MULT(x)	(((x) >> 30) & 0x03)	/* pipe multiplier */
263#define	EHCI_QH_SET_MULT(x)	((x) << 30)
264	volatile uint32_t qh_curqtd;
265	struct ehci_qh_sub qh_qtd;
266/*
267 * Extra information needed:
268 */
269	struct ehci_qh *next;
270	struct ehci_qh *prev;
271	struct ehci_qh *obj_next;
272	struct usb_page_cache *page_cache;
273	uint32_t qh_self;
274} __aligned(EHCI_QH_ALIGN);
275
276typedef struct ehci_qh ehci_qh_t;
277
278/* Periodic Frame Span Traversal Node */
279struct ehci_fstn {
280	volatile uint32_t fstn_link;
281	volatile uint32_t fstn_back;
282} __aligned(EHCI_FSTN_ALIGN);
283
284typedef struct ehci_fstn ehci_fstn_t;
285
286struct ehci_hw_softc {
287	struct usb_page_cache pframes_pc;
288	struct usb_page_cache terminate_pc;
289	struct usb_page_cache async_start_pc;
290	struct usb_page_cache intr_start_pc[EHCI_VIRTUAL_FRAMELIST_COUNT];
291	struct usb_page_cache isoc_hs_start_pc[EHCI_VIRTUAL_FRAMELIST_COUNT];
292	struct usb_page_cache isoc_fs_start_pc[EHCI_VIRTUAL_FRAMELIST_COUNT];
293
294	struct usb_page pframes_pg;
295	struct usb_page terminate_pg;
296	struct usb_page async_start_pg;
297	struct usb_page intr_start_pg[EHCI_VIRTUAL_FRAMELIST_COUNT];
298	struct usb_page isoc_hs_start_pg[EHCI_VIRTUAL_FRAMELIST_COUNT];
299	struct usb_page isoc_fs_start_pg[EHCI_VIRTUAL_FRAMELIST_COUNT];
300};
301
302struct ehci_config_desc {
303	struct usb_config_descriptor confd;
304	struct usb_interface_descriptor ifcd;
305	struct usb_endpoint_descriptor endpd;
306} __packed;
307
308union ehci_hub_desc {
309	struct usb_status stat;
310	struct usb_port_status ps;
311	struct usb_hub_descriptor hubd;
312	uint8_t	temp[128];
313};
314
315typedef struct ehci_softc {
316	struct ehci_hw_softc sc_hw;
317	struct usb_bus sc_bus;		/* base device */
318	struct usb_callout sc_tmo_pcd;
319	struct usb_callout sc_tmo_poll;
320	union ehci_hub_desc sc_hub_desc;
321
322	struct usb_device *sc_devices[EHCI_MAX_DEVICES];
323	struct resource *sc_io_res;
324	struct resource *sc_irq_res;
325	struct ehci_qh *sc_async_p_last;
326	struct ehci_qh *sc_intr_p_last[EHCI_VIRTUAL_FRAMELIST_COUNT];
327	struct ehci_sitd *sc_isoc_fs_p_last[EHCI_VIRTUAL_FRAMELIST_COUNT];
328	struct ehci_itd *sc_isoc_hs_p_last[EHCI_VIRTUAL_FRAMELIST_COUNT];
329	void   *sc_intr_hdl;
330	bus_size_t sc_io_size;
331	bus_space_tag_t sc_io_tag;
332	bus_space_handle_t sc_io_hdl;
333
334	uint32_t sc_terminate_self;	/* TD short packet termination pointer */
335	uint32_t sc_eintrs;
336
337	uint16_t sc_intr_stat[EHCI_VIRTUAL_FRAMELIST_COUNT];
338	uint16_t sc_id_vendor;		/* vendor ID for root hub */
339	uint16_t sc_flags;		/* chip specific flags */
340#define	EHCI_SCFLG_NORESTERM	0x0004	/* don't terminate reset sequence */
341#define	EHCI_SCFLG_BIGEDESC	0x0008	/* big-endian byte order descriptors */
342#define	EHCI_SCFLG_TT		0x0020	/* transaction translator present */
343#define	EHCI_SCFLG_LOSTINTRBUG	0x0040	/* workaround for VIA / ATI chipsets */
344#define	EHCI_SCFLG_IAADBUG	0x0080	/* workaround for nVidia chipsets */
345#define	EHCI_SCFLG_DONTRESET	0x0100	/* don't reset ctrl. in ehci_init() */
346#define	EHCI_SCFLG_DONEINIT	0x1000	/* ehci_init() has been called. */
347
348	uint8_t	sc_offs;		/* offset to operational registers */
349	uint8_t	sc_doorbell_disable;	/* set on doorbell failure */
350	uint8_t	sc_noport;
351	uint8_t	sc_addr;		/* device address */
352	uint8_t	sc_conf;		/* device configuration */
353	uint8_t	sc_isreset;
354	uint8_t	sc_hub_idata[8];
355
356	char	sc_vendor[16];		/* vendor string for root hub */
357
358	void	(*sc_vendor_post_reset)(struct ehci_softc *sc);
359	uint16_t (*sc_vendor_get_port_speed)(struct ehci_softc *sc,
360	    uint16_t index);
361
362} ehci_softc_t;
363
364#define	EREAD1(sc, a)	bus_space_read_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (a))
365#define	EREAD2(sc, a)	bus_space_read_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (a))
366#define	EREAD4(sc, a)	bus_space_read_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (a))
367#define	EWRITE1(sc, a, x)						\
368	    bus_space_write_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (a), (x))
369#define	EWRITE2(sc, a, x)						\
370	    bus_space_write_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (a), (x))
371#define	EWRITE4(sc, a, x)						\
372	    bus_space_write_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (a), (x))
373#define	EOREAD1(sc, a)							\
374	    bus_space_read_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (sc)->sc_offs+(a))
375#define	EOREAD2(sc, a)							\
376	    bus_space_read_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (sc)->sc_offs+(a))
377#define	EOREAD4(sc, a)							\
378	    bus_space_read_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (sc)->sc_offs+(a))
379#define	EOWRITE1(sc, a, x)						\
380	    bus_space_write_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (sc)->sc_offs+(a), (x))
381#define	EOWRITE2(sc, a, x)						\
382	    bus_space_write_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (sc)->sc_offs+(a), (x))
383#define	EOWRITE4(sc, a, x)						\
384	    bus_space_write_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (sc)->sc_offs+(a), (x))
385
386#ifdef USB_EHCI_BIG_ENDIAN_DESC
387/*
388 * Handle byte order conversion between host and ``host controller''.
389 * Typically the latter is little-endian but some controllers require
390 * big-endian in which case we may need to manually swap.
391 */
392static __inline uint32_t
393htohc32(const struct ehci_softc *sc, const uint32_t v)
394{
395	return sc->sc_flags & EHCI_SCFLG_BIGEDESC ? htobe32(v) : htole32(v);
396}
397
398static __inline uint16_t
399htohc16(const struct ehci_softc *sc, const uint16_t v)
400{
401	return sc->sc_flags & EHCI_SCFLG_BIGEDESC ? htobe16(v) : htole16(v);
402}
403
404static __inline uint32_t
405hc32toh(const struct ehci_softc *sc, const uint32_t v)
406{
407	return sc->sc_flags & EHCI_SCFLG_BIGEDESC ? be32toh(v) : le32toh(v);
408}
409
410static __inline uint16_t
411hc16toh(const struct ehci_softc *sc, const uint16_t v)
412{
413	return sc->sc_flags & EHCI_SCFLG_BIGEDESC ? be16toh(v) : le16toh(v);
414}
415#else
416/*
417 * Normal little-endian only conversion routines.
418 */
419static __inline uint32_t
420htohc32(const struct ehci_softc *sc, const uint32_t v)
421{
422	return htole32(v);
423}
424
425static __inline uint16_t
426htohc16(const struct ehci_softc *sc, const uint16_t v)
427{
428	return htole16(v);
429}
430
431static __inline uint32_t
432hc32toh(const struct ehci_softc *sc, const uint32_t v)
433{
434	return le32toh(v);
435}
436
437static __inline uint16_t
438hc16toh(const struct ehci_softc *sc, const uint16_t v)
439{
440	return le16toh(v);
441}
442#endif
443
444usb_bus_mem_cb_t ehci_iterate_hw_softc;
445
446usb_error_t ehci_reset(ehci_softc_t *sc);
447usb_error_t ehci_init(ehci_softc_t *sc);
448void	ehci_detach(struct ehci_softc *sc);
449void	ehci_interrupt(ehci_softc_t *sc);
450uint16_t ehci_get_port_speed_portsc(struct ehci_softc *sc, uint16_t index);
451uint16_t ehci_get_port_speed_hostc(struct ehci_softc *sc, uint16_t index);
452
453#endif					/* _EHCI_H_ */
454