release/3.0.0

1 files changed, 0 insertions, 2228 deletions

diff --git a/sys/dev/usb/ohci.c b/sys/dev/usb/ohci.c
deleted file mode 100644
index 1cb64b33769ad..0000000000000
--- a/sys/dev/usb/ohci.c
+++ /dev/null
@@ -1,2228 +0,0 @@
-/*	$NetBSD: ohci.c,v 1.23 1999/01/07 02:06:05 augustss Exp $	*/
-/*	$FreeBSD$	*/
-
-/*
- * Copyright (c) 1998 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Lennart Augustsson (augustss@carlstedt.se) at
- * Carlstedt Research & Technology.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *        This product includes software developed by the NetBSD
- *        Foundation, Inc. and its contributors.
- * 4. Neither the name of The NetBSD Foundation nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- * USB Open Host Controller driver.
- *
- * OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf
- * USB spec: http://www.teleport.com/cgi-bin/mailmerge.cgi/~usb/cgiform.tpl
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/malloc.h>
-#if defined(__NetBSD__)
-#include <sys/device.h>
-#elif defined(__FreeBSD__)
-#include <sys/module.h>
-#include <sys/bus.h>
-#endif
-#include <sys/proc.h>
-#include <sys/queue.h>
-#include <sys/select.h>
-
-#include <machine/bus.h>
-#include <machine/endian.h>
-
-#include <dev/usb/usb.h>
-#include <dev/usb/usbdi.h>
-#include <dev/usb/usbdivar.h>
-#include <dev/usb/usb_quirks.h>
-#include <dev/usb/usb_mem.h>
-
-#include <dev/usb/ohcireg.h>
-#include <dev/usb/ohcivar.h>
-
-#if defined(__FreeBSD__)
-#include <machine/clock.h>
-
-#define delay(d)                DELAY(d)
-
-#endif
-
-/*
- * The OHCI controller is little endian, so on big endian machines
- * the data strored in memory needs to be swapped.
- */
-#if BYTE_ORDER == BIG_ENDIAN
-#define LE(x) (bswap32(x))
-#else
-#define LE(x) (x)
-#endif
-
-struct ohci_pipe;
-
-ohci_soft_ed_t *ohci_alloc_sed __P((ohci_softc_t *));
-void		ohci_free_sed __P((ohci_softc_t *, ohci_soft_ed_t *));
-
-ohci_soft_td_t *ohci_alloc_std __P((ohci_softc_t *));
-void		ohci_free_std __P((ohci_softc_t *, ohci_soft_td_t *));
-
-usbd_status	ohci_open __P((usbd_pipe_handle));
-void		ohci_poll __P((struct usbd_bus *));
-void		ohci_waitintr __P((ohci_softc_t *, usbd_request_handle));
-void		ohci_rhsc __P((ohci_softc_t *, usbd_request_handle));
-void		ohci_process_done __P((ohci_softc_t *, ohci_physaddr_t));
-void		ohci_ii_done __P((ohci_softc_t *, usbd_request_handle));
-void		ohci_ctrl_done __P((ohci_softc_t *, usbd_request_handle));
-void		ohci_intr_done __P((ohci_softc_t *, usbd_request_handle));
-void		ohci_bulk_done __P((ohci_softc_t *, usbd_request_handle));
-
-usbd_status	ohci_device_request __P((usbd_request_handle reqh));
-void		ohci_add_ed __P((ohci_soft_ed_t *, ohci_soft_ed_t *));
-void		ohci_rem_ed __P((ohci_soft_ed_t *, ohci_soft_ed_t *));
-void		ohci_hash_add_td __P((ohci_softc_t *, ohci_soft_td_t *));
-void		ohci_hash_rem_td __P((ohci_softc_t *, ohci_soft_td_t *));
-ohci_soft_td_t *ohci_hash_find_td __P((ohci_softc_t *, ohci_physaddr_t));
-
-usbd_status	ohci_root_ctrl_transfer __P((usbd_request_handle));
-usbd_status	ohci_root_ctrl_start __P((usbd_request_handle));
-void		ohci_root_ctrl_abort __P((usbd_request_handle));
-void		ohci_root_ctrl_close __P((usbd_pipe_handle));
-
-usbd_status	ohci_root_intr_transfer __P((usbd_request_handle));
-usbd_status	ohci_root_intr_start __P((usbd_request_handle));
-void		ohci_root_intr_abort __P((usbd_request_handle));
-void		ohci_root_intr_close __P((usbd_pipe_handle));
-
-usbd_status	ohci_device_ctrl_transfer __P((usbd_request_handle));
-usbd_status	ohci_device_ctrl_start __P((usbd_request_handle));
-void		ohci_device_ctrl_abort __P((usbd_request_handle));
-void		ohci_device_ctrl_close __P((usbd_pipe_handle));
-
-usbd_status	ohci_device_bulk_transfer __P((usbd_request_handle));
-usbd_status	ohci_device_bulk_start __P((usbd_request_handle));
-void		ohci_device_bulk_abort __P((usbd_request_handle));
-void		ohci_device_bulk_close __P((usbd_pipe_handle));
-
-usbd_status	ohci_device_intr_transfer __P((usbd_request_handle));
-usbd_status	ohci_device_intr_start __P((usbd_request_handle));
-void		ohci_device_intr_abort __P((usbd_request_handle));
-void		ohci_device_intr_close __P((usbd_pipe_handle));
-usbd_status	ohci_device_setintr __P((ohci_softc_t *sc, 
-					 struct ohci_pipe *pipe, int ival));
-
-int		ohci_str __P((usb_string_descriptor_t *, int, char *));
-
-void		ohci_timeout __P((void *));
-void		ohci_rhsc_able __P((ohci_softc_t *, int));
-
-#ifdef USB_DEBUG
-ohci_softc_t   *thesc;
-void		ohci_dumpregs __P((ohci_softc_t *));
-void		ohci_dump_tds __P((ohci_soft_td_t *));
-void		ohci_dump_td __P((ohci_soft_td_t *));
-void		ohci_dump_ed __P((ohci_soft_ed_t *));
-#endif
-
-#if defined(__NetBSD__)
-#define OWRITE4(sc, r, x) bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x))
-#define OREAD4(sc, r) bus_space_read_4((sc)->iot, (sc)->ioh, (r))
-#define OREAD2(sc, r) bus_space_read_2((sc)->iot, (sc)->ioh, (r))
-#elif defined(__FreeBSD__)
-#define OWRITE4(sc, r, x) *(u_int32_t *) ((sc)->sc_iobase + (r)) = x
-#define OREAD4(sc, r) (*(u_int32_t *) ((sc)->sc_iobase + (r)))
-#define OREAD2(sc, r) (*(u_int16_t *) ((sc)->sc_iobase + (r)))
-#endif
-
-/* Reverse the bits in a value 0 .. 31 */
-static u_int8_t revbits[OHCI_NO_INTRS] = 
-  { 0x00, 0x10, 0x08, 0x18, 0x04, 0x14, 0x0c, 0x1c,
-    0x02, 0x12, 0x0a, 0x1a, 0x06, 0x16, 0x0e, 0x1e,
-    0x01, 0x11, 0x09, 0x19, 0x05, 0x15, 0x0d, 0x1d,
-    0x03, 0x13, 0x0b, 0x1b, 0x07, 0x17, 0x0f, 0x1f };
-
-struct ohci_pipe {
-	struct usbd_pipe pipe;
-	ohci_soft_ed_t *sed;
-	ohci_soft_td_t *tail;
-	/* Info needed for different pipe kinds. */
-	union {
-		/* Control pipe */
-		struct {
-			usb_dma_t datadma;
-			usb_dma_t reqdma;
-			u_int length;
-			ohci_soft_td_t *setup, *xfer, *stat;
-		} ctl;
-		/* Interrupt pipe */
-		struct {
-			usb_dma_t datadma;
-			int nslots;
-			int pos;
-		} intr;
-		/* Bulk pipe */
-		struct {
-			usb_dma_t datadma;
-			u_int length;
-		} bulk;
-	} u;
-};
-
-#define OHCI_INTR_ENDPT 1
-
-struct usbd_methods ohci_root_ctrl_methods = {	
-	ohci_root_ctrl_transfer,
-	ohci_root_ctrl_start,
-	ohci_root_ctrl_abort,
-	ohci_root_ctrl_close,
-	0,
-};
-
-struct usbd_methods ohci_root_intr_methods = {	
-	ohci_root_intr_transfer,
-	ohci_root_intr_start,
-	ohci_root_intr_abort,
-	ohci_root_intr_close,
-	0,
-};
-
-struct usbd_methods ohci_device_ctrl_methods = {	
-	ohci_device_ctrl_transfer,
-	ohci_device_ctrl_start,
-	ohci_device_ctrl_abort,
-	ohci_device_ctrl_close,
-	0,
-};
-
-struct usbd_methods ohci_device_intr_methods = {	
-	ohci_device_intr_transfer,
-	ohci_device_intr_start,
-	ohci_device_intr_abort,
-	ohci_device_intr_close,
-};
-
-struct usbd_methods ohci_device_bulk_methods = {	
-	ohci_device_bulk_transfer,
-	ohci_device_bulk_start,
-	ohci_device_bulk_abort,
-	ohci_device_bulk_close,
-	0,
-};
-
-ohci_soft_ed_t *
-ohci_alloc_sed(sc)
-	ohci_softc_t *sc;
-{
-	ohci_soft_ed_t *sed;
-	usbd_status r;
-	int i, offs;
-	usb_dma_t dma;
-
-	if (!sc->sc_freeeds) {
-		DPRINTFN(2, ("ohci_alloc_sed: allocating chunk\n"));
-		sed = malloc(sizeof(ohci_soft_ed_t) * OHCI_ED_CHUNK, 
-			     M_USBDEV, M_NOWAIT);
-		if (!sed)
-			return 0;
-		r = usb_allocmem(sc->sc_dmatag, OHCI_ED_SIZE * OHCI_ED_CHUNK,
-				 OHCI_ED_ALIGN, &dma);
-		if (r != USBD_NORMAL_COMPLETION) {
-			free(sed, M_USBDEV);
-			return 0;
-		}
-		for(i = 0; i < OHCI_ED_CHUNK; i++, sed++) {
-			offs = i * OHCI_ED_SIZE;
-			sed->physaddr = DMAADDR(&dma) + offs;
-			sed->ed = (ohci_ed_t *)
-					((char *)KERNADDR(&dma) + offs);
-			sed->next = sc->sc_freeeds;
-			sc->sc_freeeds = sed;
-		}
-	}
-	sed = sc->sc_freeeds;
-	sc->sc_freeeds = sed->next;
-	memset(sed->ed, 0, OHCI_ED_SIZE);
-	sed->next = 0;
-	return sed;
-}
-
-void
-ohci_free_sed(sc, sed)
-	ohci_softc_t *sc;
-	ohci_soft_ed_t *sed;
-{
-	sed->next = sc->sc_freeeds;
-	sc->sc_freeeds = sed;
-}
-
-ohci_soft_td_t *
-ohci_alloc_std(sc)
-	ohci_softc_t *sc;
-{
-	ohci_soft_td_t *std;
-	usbd_status r;
-	int i, offs;
-	usb_dma_t dma;
-
-	if (!sc->sc_freetds) {
-		DPRINTFN(2, ("ohci_alloc_std: allocating chunk\n"));
-		std = malloc(sizeof(ohci_soft_td_t) * OHCI_TD_CHUNK, 
-			     M_USBDEV, M_NOWAIT);
-		if (!std)
-			return 0;
-		r = usb_allocmem(sc->sc_dmatag, OHCI_TD_SIZE * OHCI_TD_CHUNK,
-				 OHCI_TD_ALIGN, &dma);
-		if (r != USBD_NORMAL_COMPLETION) {
-			free(std, M_USBDEV);
-			return 0;
-		}
-		for(i = 0; i < OHCI_TD_CHUNK; i++, std++) {
-			offs = i * OHCI_TD_SIZE;
-			std->physaddr = DMAADDR(&dma) + offs;
-			std->td = (ohci_td_t *)
-					((char *)KERNADDR(&dma) + offs);
-			std->nexttd = sc->sc_freetds;
-			sc->sc_freetds = std;
-		}
-	}
-	std = sc->sc_freetds;
-	sc->sc_freetds = std->nexttd;
-	memset(std->td, 0, OHCI_TD_SIZE);
-	std->nexttd = 0;
-	return (std);
-}
-
-void
-ohci_free_std(sc, std)
-	ohci_softc_t *sc;
-	ohci_soft_td_t *std;
-{
-	std->nexttd = sc->sc_freetds;
-	sc->sc_freetds = std;
-}
-
-usbd_status
-ohci_init(sc)
-	ohci_softc_t *sc;
-{
-	ohci_soft_ed_t *sed, *psed;
-	usbd_status r;
-	int rev;
-	int i;
-	u_int32_t s, ctl, ival, hcr, fm, per;
-
-	DPRINTF(("ohci_init: start\n"));
-	rev = OREAD4(sc, OHCI_REVISION);
-	printf("%s: OHCI version %d.%d%s\n", USBDEVNAME(sc->sc_bus.bdev),
-	       OHCI_REV_HI(rev), OHCI_REV_LO(rev),
-	       OHCI_REV_LEGACY(rev) ? ", legacy support" : "");
-	if (OHCI_REV_HI(rev) != 1 || OHCI_REV_LO(rev) != 0) {
-		printf("%s: unsupported OHCI revision\n", 
-		       USBDEVNAME(sc->sc_bus.bdev));
-		return (USBD_INVAL);
-	}
-
-	for (i = 0; i < OHCI_HASH_SIZE; i++)
-		LIST_INIT(&sc->sc_hash_tds[i]);
-
-	/* Allocate the HCCA area. */
-	r = usb_allocmem(sc->sc_dmatag, OHCI_HCCA_SIZE, 
-			 OHCI_HCCA_ALIGN, &sc->sc_hccadma);
-	if (r != USBD_NORMAL_COMPLETION)
-		return (r);
-	sc->sc_hcca = (struct ohci_hcca *)KERNADDR(&sc->sc_hccadma);
-	memset(sc->sc_hcca, 0, OHCI_HCCA_SIZE);
-
-	sc->sc_eintrs = OHCI_NORMAL_INTRS;
-
-	sc->sc_ctrl_head = ohci_alloc_sed(sc);
-	if (!sc->sc_ctrl_head) {
-		r = USBD_NOMEM;
-		goto bad1;
-	}
-	sc->sc_ctrl_head->ed->ed_flags |= LE(OHCI_ED_SKIP);
-	sc->sc_bulk_head = ohci_alloc_sed(sc);
-	if (!sc->sc_bulk_head) {
-		r = USBD_NOMEM;
-		goto bad2;
-	}
-	sc->sc_bulk_head->ed->ed_flags |= LE(OHCI_ED_SKIP);
-
-	/* Allocate all the dummy EDs that make up the interrupt tree. */
-	for (i = 0; i < OHCI_NO_EDS; i++) {
-		sed = ohci_alloc_sed(sc);
-		if (!sed) {
-			while (--i >= 0)
-				ohci_free_sed(sc, sc->sc_eds[i]);
-			r = USBD_NOMEM;
-			goto bad3;
-		}
-		/* All ED fields are set to 0. */
-		sc->sc_eds[i] = sed;
-		sed->ed->ed_flags |= LE(OHCI_ED_SKIP);
-		if (i != 0) {
-			psed = sc->sc_eds[(i-1) / 2];
-			sed->next = psed;
-			sed->ed->ed_nexted = LE(psed->physaddr);
-		}
-	}
-	/* 
-	 * Fill HCCA interrupt table.  The bit reversal is to get
-	 * the tree set up properly to spread the interrupts.
-	 */
-	for (i = 0; i < OHCI_NO_INTRS; i++)
-		sc->sc_hcca->hcca_interrupt_table[revbits[i]] = 
-			LE(sc->sc_eds[OHCI_NO_EDS-OHCI_NO_INTRS+i]->physaddr);
-
-	/* Determine in what context we are running. */
-	ctl = OREAD4(sc, OHCI_CONTROL);
-	if (ctl & OHCI_IR) {
-		/* SMM active, request change */
-		DPRINTF(("ohci_init: SMM active, request owner change\n"));
-		s = OREAD4(sc, OHCI_COMMAND_STATUS);
-		OWRITE4(sc, OHCI_COMMAND_STATUS, s | OHCI_OCR);
-		for (i = 0; i < 100 && (ctl & OHCI_IR); i++) {
-			delay(1000);
-			ctl = OREAD4(sc, OHCI_CONTROL);
-		}
-		if ((ctl & OHCI_IR) == 0) {
-			printf("%s: SMM does not respond, resetting\n",
-			       USBDEVNAME(sc->sc_bus.bdev));
-			OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET);
-			goto reset;
-		}
-	} else if ((ctl & OHCI_HCFS_MASK) != OHCI_HCFS_RESET) {
-		/* BIOS started controller. */
-		DPRINTF(("ohci_init: BIOS active\n"));
-		if ((ctl & OHCI_HCFS_MASK) != OHCI_HCFS_OPERATIONAL) {
-			OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_OPERATIONAL);
-			delay(USB_RESUME_DELAY * 1000);
-		}
-	} else {
-		DPRINTF(("ohci_init: cold started\n"));
-	reset:
-		/* Controller was cold started. */
-		delay(USB_BUS_RESET_DELAY * 1000);
-	}
-
-	/*
-	 * This reset should not be necessary according to the OHCI spec, but
-	 * without it some controllers do not start.
-	 */
-	DPRINTF(("%s: resetting\n", USBDEVNAME(sc->sc_bus.bdev)));
-	OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET);
-	delay(USB_BUS_RESET_DELAY * 1000);
-
-	/* We now own the host controller and the bus has been reset. */
-	ival = OHCI_GET_IVAL(OREAD4(sc, OHCI_FM_INTERVAL));
-
-	OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_HCR); /* Reset HC */
-	/* Nominal time for a reset is 10 us. */
-	for (i = 0; i < 10; i++) {
-		delay(10);
-		hcr = OREAD4(sc, OHCI_COMMAND_STATUS) & OHCI_HCR;
-		if (!hcr)
-			break;
-	}
-	if (hcr) {
-		printf("%s: reset timeout\n", USBDEVNAME(sc->sc_bus.bdev));
-		r = USBD_IOERROR;
-		goto bad3;
-	}
-#ifdef USB_DEBUG
-	thesc = sc;
-	if (ohcidebug > 15)
-		ohci_dumpregs(sc);
-#endif
-
-	/* The controller is now in suspend state, we have 2ms to finish. */
-
-	/* Set up HC registers. */
-	OWRITE4(sc, OHCI_HCCA, DMAADDR(&sc->sc_hccadma));
-	OWRITE4(sc, OHCI_CONTROL_HEAD_ED, sc->sc_ctrl_head->physaddr);
-	OWRITE4(sc, OHCI_BULK_HEAD_ED, sc->sc_bulk_head->physaddr);
-	OWRITE4(sc, OHCI_INTERRUPT_DISABLE, OHCI_ALL_INTRS);
-	OWRITE4(sc, OHCI_INTERRUPT_ENABLE, sc->sc_eintrs | OHCI_MIE);
-	ctl = OREAD4(sc, OHCI_CONTROL);
-	ctl &= ~(OHCI_CBSR_MASK | OHCI_LES | OHCI_HCFS_MASK | OHCI_IR);
-	ctl |= OHCI_PLE | OHCI_IE | OHCI_CLE | OHCI_BLE |
-		OHCI_RATIO_1_4 | OHCI_HCFS_OPERATIONAL;
-	/* And finally start it! */
-	OWRITE4(sc, OHCI_CONTROL, ctl);
-
-	/*
-	 * The controller is now OPERATIONAL.  Set a some final
-	 * registers that should be set earlier, but that the
-	 * controller ignores when in the SUSPEND state.
-	 */
-	fm = (OREAD4(sc, OHCI_FM_INTERVAL) & OHCI_FIT) ^ OHCI_FIT;
-	fm |= OHCI_FSMPS(ival) | ival;
-	OWRITE4(sc, OHCI_FM_INTERVAL, fm);
-	per = OHCI_PERIODIC(ival); /* 90% periodic */
-	OWRITE4(sc, OHCI_PERIODIC_START, per);
-
-	OWRITE4(sc, OHCI_RH_STATUS, OHCI_LPSC);	/* Enable port power */
-
-	sc->sc_noport = OHCI_GET_NDP(OREAD4(sc, OHCI_RH_DESCRIPTOR_A));
-
-#ifdef USB_DEBUG
-	if (ohcidebug > 5)
-		ohci_dumpregs(sc);
-#endif
-	
-	/* Set up the bus struct. */
-	sc->sc_bus.open_pipe = ohci_open;
-	sc->sc_bus.pipe_size = sizeof(struct ohci_pipe);
-	sc->sc_bus.do_poll = ohci_poll;
-
-	return (USBD_NORMAL_COMPLETION);
-
- bad3:
-	ohci_free_sed(sc, sc->sc_ctrl_head);
- bad2:
-	ohci_free_sed(sc, sc->sc_bulk_head);
- bad1:
-	usb_freemem(sc->sc_dmatag, &sc->sc_hccadma);
-	return (r);
-}
-
-#ifdef USB_DEBUG
-void ohcidump(void);
-void ohcidump(void) { ohci_dumpregs(thesc); }
-
-void
-ohci_dumpregs(sc)
-	ohci_softc_t *sc;
-{
-	printf("ohci_dumpregs: rev=0x%08x control=0x%08x command=0x%08x\n",
-	       OREAD4(sc, OHCI_REVISION),
-	       OREAD4(sc, OHCI_CONTROL),
-	       OREAD4(sc, OHCI_COMMAND_STATUS));
-	printf("               intrstat=0x%08x intre=0x%08x intrd=0x%08x\n",
-	       OREAD4(sc, OHCI_INTERRUPT_STATUS),
-	       OREAD4(sc, OHCI_INTERRUPT_ENABLE),
-	       OREAD4(sc, OHCI_INTERRUPT_DISABLE));
-	printf("               hcca=0x%08x percur=0x%08x ctrlhd=0x%08x\n",
-	       OREAD4(sc, OHCI_HCCA),
-	       OREAD4(sc, OHCI_PERIOD_CURRENT_ED),
-	       OREAD4(sc, OHCI_CONTROL_HEAD_ED));
-	printf("               ctrlcur=0x%08x bulkhd=0x%08x bulkcur=0x%08x\n",
-	       OREAD4(sc, OHCI_CONTROL_CURRENT_ED),
-	       OREAD4(sc, OHCI_BULK_HEAD_ED),
-	       OREAD4(sc, OHCI_BULK_CURRENT_ED));
-	printf("               done=0x%08x fmival=0x%08x fmrem=0x%08x\n",
-	       OREAD4(sc, OHCI_DONE_HEAD),
-	       OREAD4(sc, OHCI_FM_INTERVAL),
-	       OREAD4(sc, OHCI_FM_REMAINING));
-	printf("               fmnum=0x%08x perst=0x%08x lsthrs=0x%08x\n",
-	       OREAD4(sc, OHCI_FM_NUMBER),
-	       OREAD4(sc, OHCI_PERIODIC_START),
-	       OREAD4(sc, OHCI_LS_THRESHOLD));
-	printf("               desca=0x%08x descb=0x%08x stat=0x%08x\n",
-	       OREAD4(sc, OHCI_RH_DESCRIPTOR_A),
-	       OREAD4(sc, OHCI_RH_DESCRIPTOR_B),
-	       OREAD4(sc, OHCI_RH_STATUS));
-	printf("               port1=0x%08x port2=0x%08x\n",
-	       OREAD4(sc, OHCI_RH_PORT_STATUS(1)),
-	       OREAD4(sc, OHCI_RH_PORT_STATUS(2)));
-	printf("         HCCA: frame_number=0x%04x done_head=0x%08x\n",
-	       LE(sc->sc_hcca->hcca_frame_number),
-	       LE(sc->sc_hcca->hcca_done_head));
-}
-#endif
-
-int
-ohci_intr(p)
-	void *p;
-{
-	ohci_softc_t *sc = p;
-	u_int32_t intrs = 0, eintrs;
-	ohci_physaddr_t done;
-
-	/* In case the interrupt occurs before initialization has completed. */
-	if (sc == NULL || sc->sc_hcca == NULL) {	/* NWH added sc==0 */
-#ifdef DIAGNOSTIC
-		printf("ohci_intr: sc->sc_hcca == NULL\n");
-#endif
-		return (0);
-	}
-
-	done = LE(sc->sc_hcca->hcca_done_head);
-	if (done != 0) {
-		sc->sc_hcca->hcca_done_head = 0;
-		if (done & ~OHCI_DONE_INTRS)
-			intrs = OHCI_WDH;
-		if (done & OHCI_DONE_INTRS)
-			intrs |= OREAD4(sc, OHCI_INTERRUPT_STATUS);
-	} else
-		intrs = OREAD4(sc, OHCI_INTERRUPT_STATUS);
-	if (!intrs)
-		return (0);
-	intrs &= ~OHCI_MIE;
-	OWRITE4(sc, OHCI_INTERRUPT_STATUS, intrs); /* Acknowledge */
-	eintrs = intrs & sc->sc_eintrs;
-	if (!eintrs)
-		return (0);
-
-	sc->sc_intrs++;
-	DPRINTFN(7, ("ohci_intr: sc=%p intrs=%x(%x) eintr=%x\n", 
-		     sc, (u_int)intrs, OREAD4(sc, OHCI_INTERRUPT_STATUS),
-		     (u_int)eintrs));
-
-	if (eintrs & OHCI_SO) {
-		printf("%s: scheduling overrun\n",USBDEVNAME(sc->sc_bus.bdev));
-		/* XXX do what */
-		intrs &= ~OHCI_SO;
-	}
-	if (eintrs & OHCI_WDH) {
-		ohci_process_done(sc, done &~ OHCI_DONE_INTRS);
-		intrs &= ~OHCI_WDH;
-	}
-	if (eintrs & OHCI_RD) {
-		/* XXX process resume detect */
-	}
-	if (eintrs & OHCI_UE) {
-		printf("%s: unrecoverable error, controller halted\n",
-		       USBDEVNAME(sc->sc_bus.bdev));
-		OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET);
-		/* XXX what else */
-	}
-	if (eintrs & OHCI_RHSC) {
-		ohci_rhsc(sc, sc->sc_intrreqh);
-		intrs &= ~OHCI_RHSC;
-
-		/* 
-		 * Disable RHSC interrupt for now, because it will be
-		 * on until the port has been reset.
-		 */
-		ohci_rhsc_able(sc, 0);
-	}
-
-	/* Block unprocessed interrupts. XXX */
-	OWRITE4(sc, OHCI_INTERRUPT_DISABLE, intrs);
-	sc->sc_eintrs &= ~intrs;
-
-	return (1);
-}
-
-void
-ohci_rhsc_able(sc, on)
-	ohci_softc_t *sc;
-	int on;
-{
-	DPRINTFN(4, ("ohci_rhsc_able: on=%d\n", on));
-	if (on) {
-		sc->sc_eintrs |= OHCI_RHSC;
-		OWRITE4(sc, OHCI_INTERRUPT_ENABLE, OHCI_RHSC);
-	} else {
-		sc->sc_eintrs &= ~OHCI_RHSC;
-		OWRITE4(sc, OHCI_INTERRUPT_DISABLE, OHCI_RHSC);
-	}
-}
-
-#ifdef USB_DEBUG
-char *ohci_cc_strs[] = {
-	"NO_ERROR",
-	"CRC",
-	"BIT_STUFFING",
-	"DATA_TOGGLE_MISMATCH",
-	"STALL",
-	"DEVICE_NOT_RESPONDING",
-	"PID_CHECK_FAILURE",
-	"UNEXPECTED_PID",
-	"DATA_OVERRUN",
-	"DATA_UNDERRUN",
-	"BUFFER_OVERRUN",
-	"BUFFER_UNDERRUN",
-	"NOT_ACCESSED",
-};
-#endif
-
-void
-ohci_process_done(sc, done)
-	ohci_softc_t *sc;
-	ohci_physaddr_t done;
-{
-	ohci_soft_td_t *std = NULL, *sdone;
-	usbd_request_handle reqh;
-	int len, cc;
-
-	DPRINTFN(10,("ohci_process_done: done=0x%08lx\n", (u_long)done));
-
-	/* Reverse the done list. */
-	for (sdone = 0; done; done = LE(std->td->td_nexttd)) {
-		std = ohci_hash_find_td(sc, done);
-		std->dnext = sdone;
-		sdone = std;
-	}
-
-#ifdef USB_DEBUG
-	if (ohcidebug > 10) {
-		printf("ohci_process_done: TD done:\n");
-		ohci_dump_tds(sdone);
-	}
-#endif
-
-	for (std = sdone; std; std = std->dnext) {
-		reqh = std->reqh;
-		DPRINTFN(10, ("ohci_process_done: std=%p reqh=%p hcpriv=%p\n",
-				std, reqh, reqh->hcpriv));
-		cc = OHCI_TD_GET_CC(LE(std->td->td_flags));
-		if (cc == OHCI_CC_NO_ERROR) {
-			if (std->td->td_cbp == 0)
-				len = std->len;
-			else
-				len = LE(std->td->td_be) - 
-				      LE(std->td->td_cbp) + 1;
-			/* 
-			 * Only do a callback on the last stage of a transfer.
-			 * Others have hcpriv = 0.
-			 */
-			if ((reqh->pipe->endpoint->edesc->bmAttributes & 
-			     UE_XFERTYPE) == UE_CONTROL) {
-				/* For a control transfer the length is in
-				 * the xfer stage */
-				if (reqh->hcpriv == std) {
-					reqh->status = USBD_NORMAL_COMPLETION;
-					ohci_ii_done(sc, reqh);
-				} else
-					reqh->actlen = len;
-			} else {
-				if (reqh->hcpriv == std) {
-					reqh->actlen = len;
-					reqh->status = USBD_NORMAL_COMPLETION;
-					ohci_ii_done(sc, reqh);
-				}
-			}
-		} else {
-			ohci_soft_td_t *p, *n;
-			struct ohci_pipe *opipe = 
-				(struct ohci_pipe *)reqh->pipe;
-			DPRINTFN(-1,("ohci_process_done: error cc=%d (%s)\n",
-			 OHCI_TD_GET_CC(LE(std->td->td_flags)),
-			 ohci_cc_strs[OHCI_TD_GET_CC(LE(std->td->td_flags))]));
-			/*
-			 * Endpoint is halted.  First unlink all the TDs
-			 * belonging to the failed transfer, and then restart
-			 * the endpoint.
-			 */
-			for (p = std->nexttd; p->reqh == reqh; p = n) {
-				n = p->nexttd;
-				ohci_hash_rem_td(sc, p);
-				ohci_free_std(sc, p);
-			}
-			/* clear halt */
-			opipe->sed->ed->ed_headp = LE(p->physaddr);
-			OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_CLF);
-			
-			if (cc == OHCI_CC_STALL)
-				reqh->status = USBD_STALLED;
-			else
-				reqh->status = USBD_IOERROR;
-			ohci_ii_done(sc, reqh);
-		}
-		ohci_hash_rem_td(sc, std);
-		ohci_free_std(sc, std);
-	}
-}
-
-void
-ohci_ii_done(sc, reqh)
-	ohci_softc_t *sc;
-	usbd_request_handle reqh;
-{
-	switch (reqh->pipe->endpoint->edesc->bmAttributes & UE_XFERTYPE) {
-	case UE_CONTROL:
-		ohci_ctrl_done(sc, reqh);
-		usb_start_next(reqh->pipe);
-		break;
-	case UE_INTERRUPT:
-		ohci_intr_done(sc, reqh);
-		break;
-	case UE_BULK:
-		ohci_bulk_done(sc, reqh);
-		usb_start_next(reqh->pipe);
-		break;
-	case UE_ISOCHRONOUS:
-		printf("ohci_process_done: ISO done?\n");
-		usb_start_next(reqh->pipe);
-		break;
-	}
-
-	/* And finally execute callback. */
-	reqh->xfercb(reqh);
-}
-
-void
-ohci_ctrl_done(sc, reqh)
-	ohci_softc_t *sc;
-	usbd_request_handle reqh;
-{
-	struct ohci_pipe *opipe = (struct ohci_pipe *)reqh->pipe;
-	u_int len = opipe->u.ctl.length;
-	usb_dma_t *dma;
-
-	DPRINTFN(10,("ohci_ctrl_done: reqh=%p\n", reqh));
-
-	if (!reqh->isreq) {
-		panic("ohci_ctrl_done: not a request\n");
-		return;
-	}
-
-	if (len != 0) {
-		dma = &opipe->u.ctl.datadma;
-		if (reqh->request.bmRequestType & UT_READ)
-			memcpy(reqh->buffer, KERNADDR(dma), len);
-		usb_freemem(sc->sc_dmatag, dma);
-	}
-	usb_untimeout(ohci_timeout, reqh, reqh->timo_handle);
-}
-
-void
-ohci_intr_done(sc, reqh)
-	ohci_softc_t *sc;
-	usbd_request_handle reqh;
-{
-	struct ohci_pipe *opipe = (struct ohci_pipe *)reqh->pipe;
-	usb_dma_t *dma;
-	ohci_soft_ed_t *sed = opipe->sed;
-	ohci_soft_td_t *xfer, *tail;
-
-
-	DPRINTFN(10,("ohci_intr_done: reqh=%p, actlen=%d\n", 
-		     reqh, reqh->actlen));
-
-	dma = &opipe->u.intr.datadma;
-	memcpy(reqh->buffer, KERNADDR(dma), reqh->actlen);
-
-	if (reqh->pipe->intrreqh == reqh) {
-		xfer = opipe->tail;
-		tail = ohci_alloc_std(sc); /* XXX should reuse TD */
-		if (!tail) {
-			reqh->status = USBD_NOMEM;
-			return;
-		}
-		tail->reqh = 0;
-		
-		xfer->td->td_flags = LE(
-			OHCI_TD_IN | OHCI_TD_NOCC | 
-			OHCI_TD_SET_DI(1) | OHCI_TD_TOGGLE_CARRY);
-		if (reqh->flags & USBD_SHORT_XFER_OK)
-			xfer->td->td_flags |= LE(OHCI_TD_R);
-		xfer->td->td_cbp = LE(DMAADDR(dma));
-		xfer->nexttd = tail;
-		xfer->td->td_nexttd = LE(tail->physaddr);
-		xfer->td->td_be = LE(LE(xfer->td->td_cbp) + reqh->length - 1);
-		xfer->len = reqh->length;
-		xfer->reqh = reqh;
-
-		reqh->hcpriv = xfer;
-
-		ohci_hash_add_td(sc, xfer);
-		sed->ed->ed_tailp = LE(tail->physaddr);
-		opipe->tail = tail;
-	} else {
-		usb_freemem(sc->sc_dmatag, dma);
-		usb_start_next(reqh->pipe);
-	}
-}
-
-void
-ohci_bulk_done(sc, reqh)
-	ohci_softc_t *sc;
-	usbd_request_handle reqh;
-{
-	struct ohci_pipe *opipe = (struct ohci_pipe *)reqh->pipe;
-	usb_dma_t *dma;
-
-
-	DPRINTFN(10,("ohci_bulk_done: reqh=%p, actlen=%d\n", 
-		     reqh, reqh->actlen));
-
-	dma = &opipe->u.bulk.datadma;
-	if (reqh->request.bmRequestType & UT_READ)
-		memcpy(reqh->buffer, KERNADDR(dma), reqh->actlen);
-	usb_freemem(sc->sc_dmatag, dma);
-	usb_untimeout(ohci_timeout, reqh, reqh->timo_handle);
-}
-
-void
-ohci_rhsc(sc, reqh)
-	ohci_softc_t *sc;
-	usbd_request_handle reqh;
-{
-	usbd_pipe_handle pipe;
-	struct ohci_pipe *opipe;
-	u_char *p;
-	int i, m;
-	int hstatus;
-
-	hstatus = OREAD4(sc, OHCI_RH_STATUS);
-	DPRINTF(("ohci_rhsc: sc=%p reqh=%p hstatus=0x%08x\n", 
-		 sc, reqh, hstatus));
-
-	if (reqh == 0) {
-		/* Just ignore the change. */
-		return;
-	}
-
-	pipe = reqh->pipe;
-	opipe = (struct ohci_pipe *)pipe;
-
-	p = KERNADDR(&opipe->u.intr.datadma);
-	m = min(sc->sc_noport, reqh->length * 8 - 1);
-	memset(p, 0, reqh->length);
-	for (i = 1; i <= m; i++) {
-		if (OREAD4(sc, OHCI_RH_PORT_STATUS(i)) >> 16)
-			p[i/8] |= 1 << (i%8);
-	}
-	DPRINTF(("ohci_rhsc: change=0x%02x\n", *p));
-	reqh->actlen = reqh->length;
-	reqh->status = USBD_NORMAL_COMPLETION;
-	reqh->xfercb(reqh);
-
-	if (reqh->pipe->intrreqh != reqh) {
-		sc->sc_intrreqh = 0;
-		usb_freemem(sc->sc_dmatag, &opipe->u.intr.datadma);
-		usb_start_next(reqh->pipe);
-	}
-}
-
-/*
- * Wait here until controller claims to have an interrupt.
- * Then call ohci_intr and return.  Use timeout to avoid waiting
- * too long.
- */
-void
-ohci_waitintr(sc, reqh)
-	ohci_softc_t *sc;
-	usbd_request_handle reqh;
-{
-	int timo = reqh->timeout;
-	int usecs;
-	u_int32_t intrs;
-
-	reqh->status = USBD_IN_PROGRESS;
-	for (usecs = timo * 1000000 / hz; usecs > 0; usecs -= 1000) {
-		usb_delay_ms(&sc->sc_bus, 1);
-		intrs = OREAD4(sc, OHCI_INTERRUPT_STATUS) & sc->sc_eintrs;
-		DPRINTFN(15,("ohci_waitintr: 0x%04x\n", intrs));
-#ifdef USB_DEBUG
-		if (ohcidebug > 15)
-			ohci_dumpregs(sc);
-#endif
-		if (intrs) {
-			ohci_intr(sc);
-			if (reqh->status != USBD_IN_PROGRESS)
-				return;
-		}
-	}
-
-	/* Timeout */
-	DPRINTF(("ohci_waitintr: timeout\n"));
-	reqh->status = USBD_TIMEOUT;
-	ohci_ii_done(sc, reqh);
-	/* XXX should free TD */
-}
-
-void
-ohci_poll(bus)
-	struct usbd_bus *bus;
-{
-	ohci_softc_t *sc = (ohci_softc_t *)bus;
-
-	if (OREAD4(sc, OHCI_INTERRUPT_STATUS) & sc->sc_eintrs)
-		ohci_intr(sc);
-}
-
-usbd_status
-ohci_device_request(reqh)
-	usbd_request_handle reqh;
-{
-	struct ohci_pipe *opipe = (struct ohci_pipe *)reqh->pipe;
-	usb_device_request_t *req = &reqh->request;
-	usbd_device_handle dev = opipe->pipe.device;
-	ohci_softc_t *sc = (ohci_softc_t *)dev->bus;
-	int addr = dev->address;
-	ohci_soft_td_t *setup, *xfer = 0, *stat, *next, *tail;
-	ohci_soft_ed_t *sed;
-	usb_dma_t *dmap;
-	int isread;
-	int len;
-	usbd_status r;
-	int s;
-
-	isread = req->bmRequestType & UT_READ;
-	len = UGETW(req->wLength);
-
-	DPRINTFN(3,("ohci_device_control type=0x%02x, request=0x%02x, "
-		    "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n",
-		    req->bmRequestType, req->bRequest, UGETW(req->wValue),
-		    UGETW(req->wIndex), len, addr, 
-		    opipe->pipe.endpoint->edesc->bEndpointAddress));
-
-	setup = opipe->tail;
-	stat = ohci_alloc_std(sc);
-	if (!stat) {
-		r = USBD_NOMEM;
-		goto bad1;
-	}
-	tail = ohci_alloc_std(sc);
-	if (!tail) {
-		r = USBD_NOMEM;
-		goto bad2;
-	}
-	tail->reqh = 0;
-
-	sed = opipe->sed;
-	dmap = &opipe->u.ctl.datadma;
-	opipe->u.ctl.length = len;
-
-	/* Update device address and length since they may have changed. */
-	/* XXX This only needs to be done once, but it's too early in open. */
-	sed->ed->ed_flags = LE(
-	 (LE(sed->ed->ed_flags) & ~(OHCI_ED_ADDRMASK | OHCI_ED_MAXPMASK)) |
-	 OHCI_ED_SET_FA(addr) |
-	 OHCI_ED_SET_MAXP(UGETW(opipe->pipe.endpoint->edesc->wMaxPacketSize)));
-
-	/* Set up data transaction */
-	if (len != 0) {
-		xfer = ohci_alloc_std(sc);
-		if (!xfer) {
-			r = USBD_NOMEM;
-			goto bad3;
-		}
-		r = usb_allocmem(sc->sc_dmatag, len, 0, dmap);
-		if (r != USBD_NORMAL_COMPLETION)
-			goto bad4;
-		xfer->td->td_flags = LE(
-			(isread ? OHCI_TD_IN : OHCI_TD_OUT) | OHCI_TD_NOCC |
-			OHCI_TD_TOGGLE_1 | OHCI_TD_NOINTR |
-			(reqh->flags & USBD_SHORT_XFER_OK ? OHCI_TD_R : 0));
-		xfer->td->td_cbp = LE(DMAADDR(dmap));
-		xfer->nexttd = stat;
-		xfer->td->td_nexttd = LE(stat->physaddr);
-		xfer->td->td_be = LE(LE(xfer->td->td_cbp) + len - 1);
-		xfer->len = len;
-		xfer->reqh = reqh;
-
-		next = xfer;
-	} else
-		next = stat;
-
-	memcpy(KERNADDR(&opipe->u.ctl.reqdma), req, sizeof *req);
-	if (!isread && len != 0)
-		memcpy(KERNADDR(dmap), reqh->buffer, len);
-
-	setup->td->td_flags = LE(OHCI_TD_SETUP | OHCI_TD_NOCC |
-				 OHCI_TD_TOGGLE_0 | OHCI_TD_NOINTR);
-	setup->td->td_cbp = LE(DMAADDR(&opipe->u.ctl.reqdma));
-	setup->nexttd = next;
-	setup->td->td_nexttd = LE(next->physaddr);
-	setup->td->td_be = LE(LE(setup->td->td_cbp) + sizeof *req - 1);
-	setup->len = 0;		/* XXX The number of byte we count */
-	setup->reqh = reqh;
-
-	stat->td->td_flags = LE(
-		(isread ? OHCI_TD_OUT : OHCI_TD_IN) | OHCI_TD_NOCC |
-		OHCI_TD_TOGGLE_1 | OHCI_TD_SET_DI(1));
-	stat->td->td_cbp = 0;
-	stat->nexttd = tail;
-	stat->td->td_nexttd = LE(tail->physaddr);
-	stat->td->td_be = 0;
-	stat->len = 0;
-	stat->reqh = reqh;
-
-	reqh->hcpriv = stat;
-
-#if USB_DEBUG
-	if (ohcidebug > 5) {
-		printf("ohci_device_request:\n");
-		ohci_dump_ed(sed);
-		ohci_dump_tds(setup);
-	}
-#endif
-
-	/* Insert ED in schedule */
-	s = splusb();
-	ohci_hash_add_td(sc, setup);
-	if (len != 0)
-		ohci_hash_add_td(sc, xfer);
-	ohci_hash_add_td(sc, stat);
-	sed->ed->ed_tailp = LE(tail->physaddr);
-	opipe->tail = tail;
-	OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_CLF);
-	if (reqh->timeout && !sc->sc_bus.use_polling) {
-                usb_timeout(ohci_timeout, reqh,
-			    MS_TO_TICKS(reqh->timeout), reqh->timo_handle);
-	}
-	splx(s);
-
-#if USB_DEBUG
-	if (ohcidebug > 5) {
-		delay(5000);
-		printf("ohci_device_request: status=%x\n",
-		       OREAD4(sc, OHCI_COMMAND_STATUS));
-		ohci_dump_ed(sed);
-		ohci_dump_tds(setup);
-	}
-#endif
-
-	return (USBD_NORMAL_COMPLETION);
-
- bad4:
-	ohci_free_std(sc, xfer);
- bad3:
-	ohci_free_std(sc, tail);
- bad2:
-	ohci_free_std(sc, stat);
- bad1:
-	return (r);
-}
-
-/*
- * Add an ED to the schedule.  Called at splusb().
- */
-void
-ohci_add_ed(sed, head)
-	ohci_soft_ed_t *sed; 
-	ohci_soft_ed_t *head; 
-{
-	sed->next = head->next;
-	sed->ed->ed_nexted = head->ed->ed_nexted;
-	head->next = sed;
-	head->ed->ed_nexted = LE(sed->physaddr);
-}
-
-/*
- * Remove an ED from the schedule.  Called at splusb().
- */
-void
-ohci_rem_ed(sed, head)
-	ohci_soft_ed_t *sed; 
-	ohci_soft_ed_t *head; 
-{
-	ohci_soft_ed_t *p; 
-
-	/* XXX */
-	for (p = head; p && p->next != sed; p = p->next)
-		;
-	if (!p)
-		panic("ohci_rem_ed: ED not found\n");
-	p->next = sed->next;
-	p->ed->ed_nexted = sed->ed->ed_nexted;
-}
-
-/*
- * When a transfer is completed the TD is added to the done queue by
- * the host controller.  This queue is the processed by software.
- * Unfortunately the queue contains the physical address of the TD
- * and we have no simple way to translate this back to a kernel address.
- * To make the translation possible (and fast) we use a hash table of
- * TDs currently in the schedule.  The physical address is used as the
- * hash value.
- */
-
-#define HASH(a) (((a) >> 4) % OHCI_HASH_SIZE)
-/* Called at splusb() */
-void
-ohci_hash_add_td(sc, std)
-	ohci_softc_t *sc;
-	ohci_soft_td_t *std;
-{
-	int h = HASH(std->physaddr);
-
-	LIST_INSERT_HEAD(&sc->sc_hash_tds[h], std, hnext);
-}
-
-/* Called at splusb() */
-void
-ohci_hash_rem_td(sc, std)
-	ohci_softc_t *sc;
-	ohci_soft_td_t *std;
-{
-	LIST_REMOVE(std, hnext);
-}
-
-ohci_soft_td_t *
-ohci_hash_find_td(sc, a)
-	ohci_softc_t *sc;
-	ohci_physaddr_t a;
-{
-	int h = HASH(a);
-	ohci_soft_td_t *std;
-
-	for (std = LIST_FIRST(&sc->sc_hash_tds[h]); 
-	     std != 0; 
-	     std = LIST_NEXT(std, hnext))
-		if (std->physaddr == a)
-			return (std);
-	panic("ohci_hash_find_td: addr 0x%08lx not found\n", (u_long)a);
-}
-
-void
-ohci_timeout(addr)
-	void *addr;
-{
-#if 0
-	usbd_request_handle *reqh = addr;
-	int s;
-
-	DPRINTF(("ohci_timeout: reqh=%p\n", reqh));
-	s = splusb();
-	/* XXX need to inactivate TD before calling interrupt routine */
-	ohci_XXX_done(reqh);
-	splx(s);
-#endif
-}
-
-#ifdef USB_DEBUG
-void
-ohci_dump_tds(std)
-	ohci_soft_td_t *std;
-{
-	for (; std; std = std->nexttd)
-		ohci_dump_td(std);
-}
-
-void
-ohci_dump_td(std)
-	ohci_soft_td_t *std;
-{
-	printf("TD(%p) at %08lx: %b delay=%d ec=%d cc=%d\ncbp=0x%08lx "
-	       "nexttd=0x%08lx be=0x%08lx\n", 
-	       std, (u_long)std->physaddr,
-	       (int)LE(std->td->td_flags),
-	       "\20\23R\24OUT\25IN\31TOG1\32SETTOGGLE",
-	       OHCI_TD_GET_DI(LE(std->td->td_flags)),
-	       OHCI_TD_GET_EC(LE(std->td->td_flags)),
-	       OHCI_TD_GET_CC(LE(std->td->td_flags)),
-	       (u_long)LE(std->td->td_cbp),
-	       (u_long)LE(std->td->td_nexttd), (u_long)LE(std->td->td_be));
-}
-
-void
-ohci_dump_ed(sed)
-	ohci_soft_ed_t *sed;
-{
-	printf("ED(%p) at %08lx: addr=%d endpt=%d maxp=%d %b\ntailp=0x%08lx "
-	       "headp=%b nexted=0x%08lx\n",
-	       sed, (u_long)sed->physaddr, 
-	       OHCI_ED_GET_FA(LE(sed->ed->ed_flags)),
-	       OHCI_ED_GET_EN(LE(sed->ed->ed_flags)),
-	       OHCI_ED_GET_MAXP(LE(sed->ed->ed_flags)),
-	       (int)LE(sed->ed->ed_flags),
-	       "\20\14OUT\15IN\16LOWSPEED\17SKIP\20ISO",
-	       (u_long)LE(sed->ed->ed_tailp),
-	       (int)LE(sed->ed->ed_headp), "\20\1HALT\2CARRY",
-	       (u_long)LE(sed->ed->ed_nexted));
-}
-#endif
-
-usbd_status
-ohci_open(pipe)
-	usbd_pipe_handle pipe;
-{
-	usbd_device_handle dev = pipe->device;
-	ohci_softc_t *sc = (ohci_softc_t *)dev->bus;
-	usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc;
-	struct ohci_pipe *opipe = (struct ohci_pipe *)pipe;
-	u_int8_t addr = dev->address;
-	ohci_soft_ed_t *sed;
-	ohci_soft_td_t *std;
-	usbd_status r;
-	int s;
-
-	DPRINTFN(1, ("ohci_open: pipe=%p, addr=%d, endpt=%d (%d)\n",
-		     pipe, addr, ed->bEndpointAddress, sc->sc_addr));
-	if (addr == sc->sc_addr) {
-		switch (ed->bEndpointAddress) {
-		case USB_CONTROL_ENDPOINT:
-			pipe->methods = &ohci_root_ctrl_methods;
-			break;
-		case UE_IN | OHCI_INTR_ENDPT:
-			pipe->methods = &ohci_root_intr_methods;
-			break;
-		default:
-			return (USBD_INVAL);
-		}
-	} else {
-		sed = ohci_alloc_sed(sc);
-		if (sed == 0)
-			goto bad0;
-	        std = ohci_alloc_std(sc);
-		if (std == 0)
-			goto bad1;
-		opipe->sed = sed;
-		opipe->tail = std;
-		sed->ed->ed_flags = LE(
-			OHCI_ED_SET_FA(addr) | 
-			OHCI_ED_SET_EN(ed->bEndpointAddress) |
-			OHCI_ED_DIR_TD | 
-			(dev->lowspeed ? OHCI_ED_SPEED : 0) | 
-			((ed->bmAttributes & UE_XFERTYPE) == UE_ISOCHRONOUS ?
-			 OHCI_ED_FORMAT_ISO : OHCI_ED_FORMAT_GEN) |
-			OHCI_ED_SET_MAXP(UGETW(ed->wMaxPacketSize)));
-		sed->ed->ed_headp = sed->ed->ed_tailp = LE(std->physaddr);
-
-		switch (ed->bmAttributes & UE_XFERTYPE) {
-		case UE_CONTROL:
-			pipe->methods = &ohci_device_ctrl_methods;
-			r = usb_allocmem(sc->sc_dmatag, 
-					 sizeof(usb_device_request_t), 
-					 0, &opipe->u.ctl.reqdma);
-			if (r != USBD_NORMAL_COMPLETION)
-				goto bad;
-			s = splusb();
-			ohci_add_ed(sed, sc->sc_ctrl_head);
-			splx(s);
-			break;
-		case UE_INTERRUPT:
-			pipe->methods = &ohci_device_intr_methods;
-			return (ohci_device_setintr(sc, opipe, ed->bInterval));
-		case UE_ISOCHRONOUS:
-			printf("ohci_open: open iso unimplemented\n");
-			return (USBD_XXX);
-		case UE_BULK:
-			pipe->methods = &ohci_device_bulk_methods;
-			s = splusb();
-			ohci_add_ed(sed, sc->sc_bulk_head);
-			splx(s);
-			break;
-		}
-	}
-	return (USBD_NORMAL_COMPLETION);
-
- bad:
-	ohci_free_std(sc, std);
- bad1:
-	ohci_free_sed(sc, sed);
- bad0:
-	return (USBD_NOMEM);
-	
-}
-
-/*
- * Data structures and routines to emulate the root hub.
- */
-usb_device_descriptor_t ohci_devd = {
-	USB_DEVICE_DESCRIPTOR_SIZE,
-	UDESC_DEVICE,		/* type */
-	{0x00, 0x01},		/* USB version */
-	UCLASS_HUB,		/* class */
-	USUBCLASS_HUB,		/* subclass */
-	0,			/* protocol */
-	64,			/* max packet */
-	{0},{0},{0x00,0x01},	/* device id */
-	1,2,0,			/* string indicies */
-	1			/* # of configurations */
-};
-
-usb_config_descriptor_t ohci_confd = {
-	USB_CONFIG_DESCRIPTOR_SIZE,
-	UDESC_CONFIG,
-	{USB_CONFIG_DESCRIPTOR_SIZE +
-	 USB_INTERFACE_DESCRIPTOR_SIZE +
-	 USB_ENDPOINT_DESCRIPTOR_SIZE},
-	1,
-	1,
-	0,
-	UC_SELF_POWERED,
-	0			/* max power */
-};
-
-usb_interface_descriptor_t ohci_ifcd = {
-	USB_INTERFACE_DESCRIPTOR_SIZE,
-	UDESC_INTERFACE,
-	0,
-	0,
-	1,
-	UCLASS_HUB,
-	USUBCLASS_HUB,
-	0,
-	0
-};
-
-usb_endpoint_descriptor_t ohci_endpd = {
-	USB_ENDPOINT_DESCRIPTOR_SIZE,
-	UDESC_ENDPOINT,
-	UE_IN | OHCI_INTR_ENDPT,
-	UE_INTERRUPT,
-	{8, 0},			/* max packet */
-	255
-};
-
-usb_hub_descriptor_t ohci_hubd = {
-	USB_HUB_DESCRIPTOR_SIZE,
-	UDESC_HUB,
-	0,
-	{0,0},
-	0,
-	0,
-	{0},
-};
-
-int
-ohci_str(p, l, s)
-	usb_string_descriptor_t *p;
-	int l;
-	char *s;
-{
-	int i;
-
-	if (l == 0)
-		return (0);
-	p->bLength = 2 * strlen(s) + 2;
-	if (l == 1)
-		return (1);
-	p->bDescriptorType = UDESC_STRING;
-	l -= 2;
-	for (i = 0; s[i] && l > 1; i++, l -= 2)
-		USETW2(p->bString[i], 0, s[i]);
-	return (2*i+2);
-}
-
-/*
- * Simulate a hardware hub by handling all the necessary requests.
- */
-usbd_status
-ohci_root_ctrl_transfer(reqh)
-	usbd_request_handle reqh;
-{
-	int s;
-	usbd_status r;
-
-	s = splusb();
-	r = usb_insert_transfer(reqh);
-	splx(s);
-	if (r != USBD_NORMAL_COMPLETION)
-		return (r);
-	else
-		return (ohci_root_ctrl_start(reqh));
-}
-
-usbd_status
-ohci_root_ctrl_start(reqh)
-	usbd_request_handle reqh;
-{
-	ohci_softc_t *sc = (ohci_softc_t *)reqh->pipe->device->bus;
-	usb_device_request_t *req;
-	void *buf;
-	int port, i;
-	int len, value, index, l, totlen = 0;
-	usb_port_status_t ps;
-	usb_hub_descriptor_t hubd;
-	usbd_status r;
-	u_int32_t v;
-
-	if (!reqh->isreq)
-		/* XXX panic */
-		return (USBD_INVAL);
-	req = &reqh->request;
-	buf = reqh->buffer;
-
-	DPRINTFN(4,("ohci_root_ctrl_control type=0x%02x request=%02x\n", 
-		    req->bmRequestType, req->bRequest));
-
-	len = UGETW(req->wLength);
-	value = UGETW(req->wValue);
-	index = UGETW(req->wIndex);
-#define C(x,y) ((x) | ((y) << 8))
-	switch(C(req->bRequest, req->bmRequestType)) {
-	case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE):
-	case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE):
-	case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT):
-		/* 
-		 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops
-		 * for the integrated root hub.
-		 */
-		break;
-	case C(UR_GET_CONFIG, UT_READ_DEVICE):
-		if (len > 0) {
-			*(u_int8_t *)buf = sc->sc_conf;
-			totlen = 1;
-		}
-		break;
-	case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE):
-		DPRINTFN(8,("ohci_root_ctrl_control wValue=0x%04x\n", value));
-		switch(value >> 8) {
-		case UDESC_DEVICE:
-			if ((value & 0xff) != 0) {
-				r = USBD_IOERROR;
-				goto ret;
-			}
-			totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE);
-			memcpy(buf, &ohci_devd, l);
-			break;
-		case UDESC_CONFIG:
-			if ((value & 0xff) != 0) {
-				r = USBD_IOERROR;
-				goto ret;
-			}
-			totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE);
-			memcpy(buf, &ohci_confd, l);
-			buf = (char *)buf + l;
-			len -= l;
-			l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE);
-			totlen += l;
-			memcpy(buf, &ohci_ifcd, l);
-			buf = (char *)buf + l;
-			len -= l;
-			l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE);
-			totlen += l;
-			memcpy(buf, &ohci_endpd, l);
-			break;
-		case UDESC_STRING:
-			if (len == 0)
-				break;
-			*(u_int8_t *)buf = 0;
-			totlen = 1;
-			switch (value & 0xff) {
-			case 1: /* Vendor */
-				totlen = ohci_str(buf, len, sc->sc_vendor);
-				break;
-			case 2: /* Product */
-				totlen = ohci_str(buf, len, "OHCI root hub");
-				break;
-			}
-			break;
-		default:
-			r = USBD_IOERROR;
-			goto ret;
-		}
-		break;
-	case C(UR_GET_INTERFACE, UT_READ_INTERFACE):
-		if (len > 0) {
-			*(u_int8_t *)buf = 0;
-			totlen = 1;
-		}
-		break;
-	case C(UR_GET_STATUS, UT_READ_DEVICE):
-		if (len > 1) {
-			USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED);
-			totlen = 2;
-		}
-		break;
-	case C(UR_GET_STATUS, UT_READ_INTERFACE):
-	case C(UR_GET_STATUS, UT_READ_ENDPOINT):
-		if (len > 1) {
-			USETW(((usb_status_t *)buf)->wStatus, 0);
-			totlen = 2;
-		}
-		break;
-	case C(UR_SET_ADDRESS, UT_WRITE_DEVICE):
-		if (value >= USB_MAX_DEVICES) {
-			r = USBD_IOERROR;
-			goto ret;
-		}
-		sc->sc_addr = value;
-		break;
-	case C(UR_SET_CONFIG, UT_WRITE_DEVICE):
-		if (value != 0 && value != 1) {
-			r = USBD_IOERROR;
-			goto ret;
-		}
-		sc->sc_conf = value;
-		break;
-	case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE):
-		break;
-	case C(UR_SET_FEATURE, UT_WRITE_DEVICE):
-	case C(UR_SET_FEATURE, UT_WRITE_INTERFACE):
-	case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT):
-		r = USBD_IOERROR;
-		goto ret;
-	case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE):
-		break;
-	case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT):
-		break;
-	/* Hub requests */
-	case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE):
-		break;
-	case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER):
-		DPRINTFN(8, ("ohci_root_ctrl_control: UR_CLEAR_PORT_FEATURE "
-			     "port=%d feature=%d\n",
-			     index, value));
-		if (index < 1 || index > sc->sc_noport) {
-			r = USBD_IOERROR;
-			goto ret;
-		}
-		port = OHCI_RH_PORT_STATUS(index);
-		switch(value) {
-		case UHF_PORT_ENABLE:
-			OWRITE4(sc, port, UPS_CURRENT_CONNECT_STATUS);
-			break;
-		case UHF_PORT_SUSPEND:
-			OWRITE4(sc, port, UPS_OVERCURRENT_INDICATOR);
-			break;
-		case UHF_PORT_POWER:
-			OWRITE4(sc, port, UPS_LOW_SPEED);
-			break;
-		case UHF_C_PORT_CONNECTION:
-			OWRITE4(sc, port, UPS_C_CONNECT_STATUS << 16);
-			break;
-		case UHF_C_PORT_ENABLE:
-			OWRITE4(sc, port, UPS_C_PORT_ENABLED << 16);
-			break;
-		case UHF_C_PORT_SUSPEND:
-			OWRITE4(sc, port, UPS_C_SUSPEND << 16);
-			break;
-		case UHF_C_PORT_OVER_CURRENT:
-			OWRITE4(sc, port, UPS_C_OVERCURRENT_INDICATOR << 16);
-			break;
-		case UHF_C_PORT_RESET:
-			OWRITE4(sc, port, UPS_C_PORT_RESET << 16);
-			break;
-		default:
-			r = USBD_IOERROR;
-			goto ret;
-		}
-		switch(value) {
-		case UHF_C_PORT_CONNECTION:
-		case UHF_C_PORT_ENABLE:
-		case UHF_C_PORT_SUSPEND:
-		case UHF_C_PORT_OVER_CURRENT:
-		case UHF_C_PORT_RESET:
-			/* Enable RHSC interrupt if condition is cleared. */
-			if ((OREAD4(sc, port) >> 16) == 0)
-				ohci_rhsc_able(sc, 1);
-			break;
-		default:
-			break;
-		}
-		break;
-	case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE):
-		if (value != 0) {
-			r = USBD_IOERROR;
-			goto ret;
-		}
-		v = OREAD4(sc, OHCI_RH_DESCRIPTOR_A);
-		hubd = ohci_hubd;
-		hubd.bNbrPorts = sc->sc_noport;
-		USETW(hubd.wHubCharacteristics,
-		      (v & OHCI_NPS ? UHD_PWR_NO_SWITCH : 
-		       v & OHCI_PSM ? UHD_PWR_GANGED : UHD_PWR_INDIVIDUAL)
-		      /* XXX overcurrent */
-		      );
-		hubd.bPwrOn2PwrGood = OHCI_GET_POTPGT(v);
-		v = OREAD4(sc, OHCI_RH_DESCRIPTOR_B);
-		for (i = 0, l = sc->sc_noport; l > 0; i++, l -= 8, v >>= 8) 
-			hubd.DeviceRemovable[i++] = (u_int8_t)v;
-		hubd.bDescLength = USB_HUB_DESCRIPTOR_SIZE + i;
-		l = min(len, hubd.bDescLength);
-		totlen = l;
-		memcpy(buf, &hubd, l);
-		break;
-	case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE):
-		if (len != 4) {
-			r = USBD_IOERROR;
-			goto ret;
-		}
-		memset(buf, 0, len); /* ? XXX */
-		totlen = len;
-		break;
-	case C(UR_GET_STATUS, UT_READ_CLASS_OTHER):
-		DPRINTFN(8,("ohci_root_ctrl_transfer: get port status i=%d\n",
-			    index));
-		if (index < 1 || index > sc->sc_noport) {
-			r = USBD_IOERROR;
-			goto ret;
-		}
-		if (len != 4) {
-			r = USBD_IOERROR;
-			goto ret;
-		}
-		v = OREAD4(sc, OHCI_RH_PORT_STATUS(index));
-		DPRINTFN(8,("ohci_root_ctrl_transfer: port status=0x%04x\n",
-			    v));
-		USETW(ps.wPortStatus, v);
-		USETW(ps.wPortChange, v >> 16);
-		l = min(len, sizeof ps);
-		memcpy(buf, &ps, l);
-		totlen = l;
-		break;
-	case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE):
-		r = USBD_IOERROR;
-		goto ret;
-	case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE):
-		break;
-	case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER):
-		if (index < 1 || index > sc->sc_noport) {
-			r = USBD_IOERROR;
-			goto ret;
-		}
-		port = OHCI_RH_PORT_STATUS(index);
-		switch(value) {
-		case UHF_PORT_ENABLE:
-			OWRITE4(sc, port, UPS_PORT_ENABLED);
-			break;
-		case UHF_PORT_SUSPEND:
-			OWRITE4(sc, port, UPS_SUSPEND);
-			break;
-		case UHF_PORT_RESET:
-			DPRINTFN(5,("ohci_root_ctrl_transfer: reset port %d\n",
-				    index));
-			OWRITE4(sc, port, UPS_RESET);
-			for (i = 0; i < 10; i++) {
-				usb_delay_ms(&sc->sc_bus, 10);
-				if ((OREAD4(sc, port) & UPS_RESET) == 0)
-					break;
-			}
-			DPRINTFN(8,("ohci port %d reset, status = 0x%04x\n",
-				    index, OREAD4(sc, port)));
-			break;
-		case UHF_PORT_POWER:
-			DPRINTFN(2,("ohci_root_ctrl_transfer: set port power "
-				    "%d\n", index));
-			OWRITE4(sc, port, UPS_PORT_POWER);
-			break;
-		default:
-			r = USBD_IOERROR;
-			goto ret;
-		}
-		break;
-	default:
-		r = USBD_IOERROR;
-		goto ret;
-	}
-	reqh->actlen = totlen;
-	r = USBD_NORMAL_COMPLETION;
- ret:
-	reqh->status = r;
-	reqh->xfercb(reqh);
-	usb_start_next(reqh->pipe);
-	return (USBD_IN_PROGRESS);
-}
-
-/* Abort a root control request. */
-void
-ohci_root_ctrl_abort(reqh)
-	usbd_request_handle reqh;
-{
-	/* Nothing to do, all transfers are synchronous. */
-}
-
-/* Close the root pipe. */
-void
-ohci_root_ctrl_close(pipe)
-	usbd_pipe_handle pipe;
-{
-	DPRINTF(("ohci_root_ctrl_close\n"));
-}
-
-usbd_status
-ohci_root_intr_transfer(reqh)
-	usbd_request_handle reqh;
-{
-	int s;
-	usbd_status r;
-
-	s = splusb();
-	r = usb_insert_transfer(reqh);
-	splx(s);
-	if (r != USBD_NORMAL_COMPLETION)
-		return (r);
-	else
-		return (ohci_root_intr_start(reqh));
-}
-
-usbd_status
-ohci_root_intr_start(reqh)
-	usbd_request_handle reqh;
-{
-	usbd_pipe_handle pipe = reqh->pipe;
-	ohci_softc_t *sc = (ohci_softc_t *)pipe->device->bus;
-	struct ohci_pipe *upipe = (struct ohci_pipe *)pipe;
-	usb_dma_t *dmap;
-	usbd_status r;
-	int len;
-
-	len = reqh->length;
-	dmap = &upipe->u.intr.datadma;
-	if (len == 0)
-		return (USBD_INVAL); /* XXX should it be? */
-
-	r = usb_allocmem(sc->sc_dmatag, len, 0, dmap);
-	if (r != USBD_NORMAL_COMPLETION)
-		return (r);
-	sc->sc_intrreqh = reqh;
-
-	return (USBD_IN_PROGRESS);
-}
-
-/* Abort a root interrupt request. */
-void
-ohci_root_intr_abort(reqh)
-	usbd_request_handle reqh;
-{
-	/* No need to abort. */
-}
-
-/* Close the root pipe. */
-void
-ohci_root_intr_close(pipe)
-	usbd_pipe_handle pipe;
-{
-	ohci_softc_t *sc = (ohci_softc_t *)pipe->device->bus;
-	sc->sc_intrreqh = 0;
-	
-	DPRINTF(("ohci_root_intr_close\n"));
-}
-
-/************************/
-
-usbd_status
-ohci_device_ctrl_transfer(reqh)
-	usbd_request_handle reqh;
-{
-	int s;
-	usbd_status r;
-
-	s = splusb();
-	r = usb_insert_transfer(reqh);
-	splx(s);
-	if (r != USBD_NORMAL_COMPLETION)
-		return (r);
-	else
-		return (ohci_device_ctrl_start(reqh));
-}
-
-usbd_status
-ohci_device_ctrl_start(reqh)
-	usbd_request_handle reqh;
-{
-	ohci_softc_t *sc = (ohci_softc_t *)reqh->pipe->device->bus;
-	usbd_status r;
-
-	if (!reqh->isreq) {
-		/* XXX panic */
-		printf("ohci_device_ctrl_transfer: not a request\n");
-		return (USBD_INVAL);
-	}
-
-	r = ohci_device_request(reqh);
-	if (r != USBD_NORMAL_COMPLETION)
-		return (r);
-
-	if (sc->sc_bus.use_polling)
-		ohci_waitintr(sc, reqh);
-	return (USBD_IN_PROGRESS);
-}
-
-/* Abort a device control request. */
-void
-ohci_device_ctrl_abort(reqh)
-	usbd_request_handle reqh;
-{
-	/* XXX inactivate */
-	usb_delay_ms(reqh->pipe->device->bus, 1); /* make sure it is donw */
-	/* XXX call done */
-}
-
-/* Close a device control pipe. */
-void
-ohci_device_ctrl_close(pipe)
-	usbd_pipe_handle pipe;
-{
-	struct ohci_pipe *opipe = (struct ohci_pipe *)pipe;
-	ohci_softc_t *sc = (ohci_softc_t *)pipe->device->bus;
-	ohci_soft_ed_t *sed = opipe->sed;
-	int s;
-
-	s = splusb();
-	sed->ed->ed_flags |= LE(OHCI_ED_SKIP);
-	if ((LE(sed->ed->ed_tailp) & OHCI_TAILMASK) != LE(sed->ed->ed_headp))
-		usb_delay_ms(&sc->sc_bus, 2);
-	ohci_rem_ed(sed, sc->sc_ctrl_head);
-	splx(s);
-	ohci_free_std(sc, opipe->tail);
-	ohci_free_sed(sc, opipe->sed);
-	/* XXX free other resources */
-}
-
-/************************/
-
-usbd_status
-ohci_device_bulk_transfer(reqh)
-	usbd_request_handle reqh;
-{
-	int s;
-	usbd_status r;
-
-	s = splusb();
-	r = usb_insert_transfer(reqh);
-	splx(s);
-	if (r != USBD_NORMAL_COMPLETION)
-		return (r);
-	else
-		return (ohci_device_bulk_start(reqh));
-}
-
-usbd_status
-ohci_device_bulk_start(reqh)
-	usbd_request_handle reqh;
-{
-	struct ohci_pipe *opipe = (struct ohci_pipe *)reqh->pipe;
-	usbd_device_handle dev = opipe->pipe.device;
-	ohci_softc_t *sc = (ohci_softc_t *)dev->bus;
-	int addr = dev->address;
-	ohci_soft_td_t *xfer, *tail;
-	ohci_soft_ed_t *sed;
-	usb_dma_t *dmap;
-	usbd_status r;
-	int s, len, isread;
-
-	if (reqh->isreq) {
-		/* XXX panic */
-		printf("ohci_device_bulk_transfer: a request\n");
-		return (USBD_INVAL);
-	}
-
-	len = reqh->length;
-	dmap = &opipe->u.bulk.datadma;
-	isread = reqh->pipe->endpoint->edesc->bEndpointAddress & UE_IN;
-	sed = opipe->sed;
-
-	opipe->u.bulk.length = len;
-
-	r = usb_allocmem(sc->sc_dmatag, len, 0, dmap);
-	if (r != USBD_NORMAL_COMPLETION)
-		goto ret1;
-
-	tail = ohci_alloc_std(sc);
-	if (!tail) {
-		r = USBD_NOMEM;
-		goto ret2;
-	}
-	tail->reqh = 0;
-
-	/* Update device address */
-	sed->ed->ed_flags = LE(
-		(LE(sed->ed->ed_flags) & ~OHCI_ED_ADDRMASK) |
-		OHCI_ED_SET_FA(addr));
-
-	/* Set up data transaction */
-	xfer = opipe->tail;
-	xfer->td->td_flags = LE(
-		(isread ? OHCI_TD_IN : OHCI_TD_OUT) | OHCI_TD_NOCC |
-		OHCI_TD_SET_DI(1) | OHCI_TD_TOGGLE_CARRY |
-		(reqh->flags & USBD_SHORT_XFER_OK ? OHCI_TD_R : 0));
-	xfer->td->td_cbp = LE(DMAADDR(dmap));
-	xfer->nexttd = tail;
-	xfer->td->td_nexttd = LE(tail->physaddr);
-	xfer->td->td_be = LE(LE(xfer->td->td_cbp) + len - 1);
-	xfer->len = len;
-	xfer->reqh = reqh;
-
-	reqh->hcpriv = xfer;
-
-	if (!isread)
-		memcpy(KERNADDR(dmap), reqh->buffer, len);
-
-	/* Insert ED in schedule */
-	s = splusb();
-	ohci_hash_add_td(sc, xfer);
-	sed->ed->ed_tailp = LE(tail->physaddr);
-	opipe->tail = tail;
-	OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_BLF);
-	if (reqh->timeout && !sc->sc_bus.use_polling) {
-                usb_timeout(ohci_timeout, reqh,
-			    MS_TO_TICKS(reqh->timeout), reqh->timo_handle);
-	}
-	splx(s);
-
-	return (USBD_IN_PROGRESS);
-
- ret2:
-	usb_freemem(sc->sc_dmatag, dmap);
- ret1:
-	return (r);
-}
-
-/* Abort a device bulk request. */
-void
-ohci_device_bulk_abort(reqh)
-	usbd_request_handle reqh;
-{
-#if 0
-	sed->ed->ed_flags |= LE(OHCI_ED_SKIP);
-	if ((LE(sed->ed->ed_tailp) & OHCI_TAILMASK) != LE(sed->ed->ed_headp))
-		usb_delay_ms(reqh->pipe->device->bus, 2);
-#endif
-	/* XXX inactivate */
-	usb_delay_ms(reqh->pipe->device->bus, 1); /* make sure it is done */
-	/* XXX call done */
-}
-
-/* Close a device bulk pipe. */
-void
-ohci_device_bulk_close(pipe)
-	usbd_pipe_handle pipe;
-{
-	struct ohci_pipe *opipe = (struct ohci_pipe *)pipe;
-	usbd_device_handle dev = opipe->pipe.device;
-	ohci_softc_t *sc = (ohci_softc_t *)dev->bus;
-	int s;
-
-	s = splusb();
-	ohci_rem_ed(opipe->sed, sc->sc_bulk_head);
-	splx(s);
-	ohci_free_std(sc, opipe->tail);
-	ohci_free_sed(sc, opipe->sed);
-	/* XXX free other resources */
-}
-
-/************************/
-
-usbd_status
-ohci_device_intr_transfer(reqh)
-	usbd_request_handle reqh;
-{
-	int s;
-	usbd_status r;
-
-	s = splusb();
-	r = usb_insert_transfer(reqh);
-	splx(s);
-	if (r != USBD_NORMAL_COMPLETION)
-		return (r);
-	else
-		return (ohci_device_intr_start(reqh));
-}
-
-usbd_status
-ohci_device_intr_start(reqh)
-	usbd_request_handle reqh;
-{
-	struct ohci_pipe *opipe = (struct ohci_pipe *)reqh->pipe;
-	usbd_device_handle dev = opipe->pipe.device;
-	ohci_softc_t *sc = (ohci_softc_t *)dev->bus;
-	ohci_soft_ed_t *sed = opipe->sed;
-	ohci_soft_td_t *xfer, *tail;
-	usb_dma_t *dmap;
-	usbd_status r;
-	int len;
-	int s;
-
-	DPRINTFN(3, ("ohci_device_intr_transfer: reqh=%p buf=%p len=%d "
-		     "flags=%d priv=%p\n",
-		 reqh, reqh->buffer, reqh->length, reqh->flags, reqh->priv));
-
-	if (reqh->isreq)
-		panic("ohci_device_intr_transfer: a request\n");
-
-	len = reqh->length;
-	dmap = &opipe->u.intr.datadma;
-	if (len == 0)
-		return (USBD_INVAL); /* XXX should it be? */
-
-	xfer = opipe->tail;
-	tail = ohci_alloc_std(sc);
-	if (!tail) {
-		r = USBD_NOMEM;
-		goto ret1;
-	}
-	tail->reqh = 0;
-
-	r = usb_allocmem(sc->sc_dmatag, len, 0, dmap);
-	if (r != USBD_NORMAL_COMPLETION)
-		goto ret2;
-
-	xfer->td->td_flags = LE(
-		OHCI_TD_IN | OHCI_TD_NOCC | 
-		OHCI_TD_SET_DI(1) | OHCI_TD_TOGGLE_CARRY);
-	if (reqh->flags & USBD_SHORT_XFER_OK)
-		xfer->td->td_flags |= LE(OHCI_TD_R);
-	xfer->td->td_cbp = LE(DMAADDR(dmap));
-	xfer->nexttd = tail;
-	xfer->td->td_nexttd = LE(tail->physaddr);
-	xfer->td->td_be = LE(LE(xfer->td->td_cbp) + len - 1);
-	xfer->len = len;
-	xfer->reqh = reqh;
-
-	reqh->hcpriv = xfer;
-
-#if USB_DEBUG
-	if (ohcidebug > 5) {
-		printf("ohci_device_intr_transfer:\n");
-		ohci_dump_ed(sed);
-		ohci_dump_tds(xfer);
-	}
-#endif
-
-	/* Insert ED in schedule */
-	s = splusb();
-	ohci_hash_add_td(sc, xfer);
-	sed->ed->ed_tailp = LE(tail->physaddr);
-	opipe->tail = tail;
-#if 0
-	if (reqh->timeout && !sc->sc_bus.use_polling) {
-                usb_timeout(ohci_timeout, reqh,
-			    MS_TO_TICKS(reqh->timeout), reqh->timo_handle);
-	}
-#endif
-	sed->ed->ed_flags &= LE(~OHCI_ED_SKIP);
-
-#ifdef USB_DEBUG
-	if (ohcidebug > 5) {
-		delay(5000);
-		printf("ohci_device_intr_transfer: status=%x\n",
-		       OREAD4(sc, OHCI_COMMAND_STATUS));
-		ohci_dump_ed(sed);
-		ohci_dump_tds(xfer);
-	}
-#endif
-	/* moved splx(s) because of indefinite printing of TD's */
-	splx(s);
-
-	return (USBD_IN_PROGRESS);
-
- ret2:
-	ohci_free_std(sc, xfer);
- ret1:
-	return (r);
-}
-
-/* Abort a device control request. */
-void
-ohci_device_intr_abort(reqh)
-	usbd_request_handle reqh;
-{
-	/* XXX inactivate */
-	usb_delay_ms(reqh->pipe->device->bus, 1); /* make sure it is done */
-	if (reqh->pipe->intrreqh == reqh) {
-		DPRINTF(("ohci_device_intr_abort: remove\n"));
-		reqh->pipe->intrreqh = 0;
-		ohci_intr_done((ohci_softc_t *)reqh->pipe->device->bus, reqh);
-	}
-}
-
-/* Close a device interrupt pipe. */
-void
-ohci_device_intr_close(pipe)
-	usbd_pipe_handle pipe;
-{
-	struct ohci_pipe *opipe = (struct ohci_pipe *)pipe;
-	ohci_softc_t *sc = (ohci_softc_t *)pipe->device->bus;
-	int nslots = opipe->u.intr.nslots;
-	int pos = opipe->u.intr.pos;
-	int j;
-	ohci_soft_ed_t *p, *sed = opipe->sed;
-	int s;
-
-	DPRINTFN(1,("ohci_device_intr_close: pipe=%p nslots=%d pos=%d\n",
-		    pipe, nslots, pos));
-	s = splusb();
-	sed->ed->ed_flags |= LE(OHCI_ED_SKIP);
-	if ((sed->ed->ed_tailp & LE(OHCI_TAILMASK)) != sed->ed->ed_headp)
-		usb_delay_ms(&sc->sc_bus, 2);
-
-	for (p = sc->sc_eds[pos]; p && p->next != sed; p = p->next)
-		;
-	if (!p)
-		panic("ohci_device_intr_close: ED not found\n");
-	p->next = sed->next;
-	p->ed->ed_nexted = sed->ed->ed_nexted;
-	splx(s);
-
-	for (j = 0; j < nslots; j++)
-		--sc->sc_bws[pos * nslots + j];
-
-	ohci_free_std(sc, opipe->tail);
-	ohci_free_sed(sc, opipe->sed);
-	/* XXX free other resources */
-}
-
-usbd_status
-ohci_device_setintr(sc, opipe, ival)
-	ohci_softc_t *sc;
-	struct ohci_pipe *opipe;
-	int ival;
-{
-	int i, j, s, best;
-	u_int npoll, slow, shigh, nslots;
-	u_int bestbw, bw;
-	ohci_soft_ed_t *hsed, *sed = opipe->sed;
-
-	DPRINTFN(2, ("ohci_setintr: pipe=%p\n", opipe));
-	if (ival == 0) {
-		printf("ohci_setintr: 0 interval\n");
-		return (USBD_INVAL);
-	}
-
-	npoll = OHCI_NO_INTRS;
-	while (npoll > ival)
-		npoll /= 2;
-	DPRINTFN(2, ("ohci_setintr: ival=%d npoll=%d\n", ival, npoll));
-
-	/*
-	 * We now know which level in the tree the ED must go into.
-	 * Figure out which slot has most bandwidth left over.
-	 * Slots to examine:
-	 * npoll
-	 * 1	0
-	 * 2	1 2
-	 * 4	3 4 5 6
-	 * 8	7 8 9 10 11 12 13 14
-	 * N    (N-1) .. (N-1+N-1)
-	 */
-	slow = npoll-1;
-	shigh = slow + npoll;
-	nslots = OHCI_NO_INTRS / npoll;
-	for (best = i = slow, bestbw = ~0; i < shigh; i++) {
-		bw = 0;
-		for (j = 0; j < nslots; j++)
-			bw += sc->sc_bws[i * nslots + j];
-		if (bw < bestbw) {
-			best = i;
-			bestbw = bw;
-		}
-	}
-	DPRINTFN(2, ("ohci_setintr: best=%d(%d..%d) bestbw=%d\n", 
-		     best, slow, shigh, bestbw));
-
-	s = splusb();
-	hsed = sc->sc_eds[best];
-	sed->next = hsed->next;
-	sed->ed->ed_nexted = hsed->ed->ed_nexted;
-	hsed->next = sed;
-	hsed->ed->ed_nexted = LE(sed->physaddr);
-	splx(s);
-
-	for (j = 0; j < nslots; j++)
-		++sc->sc_bws[best * nslots + j];
-	opipe->u.intr.nslots = nslots;
-	opipe->u.intr.pos = best;
-
-	DPRINTFN(5, ("ohci_setintr: returns %p\n", opipe));
-	return (USBD_NORMAL_COMPLETION);
-}
-