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-rw-r--r--sys/dev/usb/uhci.c2355
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diff --git a/sys/dev/usb/uhci.c b/sys/dev/usb/uhci.c
new file mode 100644
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--- /dev/null
+++ b/sys/dev/usb/uhci.c
@@ -0,0 +1,2355 @@
+/* $NetBSD: uhci.c,v 1.10 1998/08/02 22:30:52 augustss Exp $ */
+
+/*
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Author: Lennart Augustsson <augustss@carlstedt.se>
+ * 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 Universal Host Controller driver.
+ * Handles PIIX3 and PIIX4.
+ *
+ * Data sheets: ftp://download.intel.com/design/intarch/datashts/29055002.pdf
+ * ftp://download.intel.com/design/intarch/datashts/29056201.pdf
+ * UHCI spec: http://www.intel.com/design/usb/uhci11d.pdf
+ * USB spec: http://www.teleport.com/cgi-bin/mailmerge.cgi/~usb/cgiform.tpl
+ */
+
+#include <dev/usb/usb_port.h>
+
+#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 <dev/usb/usb.h>
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdivar.h>
+#include <dev/usb/usb_mem.h>
+#include <dev/usb/usb_quirks.h>
+
+#include <dev/usb/uhcireg.h>
+#include <dev/usb/uhcivar.h>
+
+#if defined(__FreeBSD__)
+#include <machine/clock.h>
+#include "dev/usb/queue.addendum.h"
+
+#define delay(d) DELAY(d)
+
+static struct callout_handle uhci_timeout_handle
+ = CALLOUT_HANDLE_INITIALIZER(&uhci_timeout_handle);
+static struct callout_handle uhci_timo_handle
+ = CALLOUT_HANDLE_INITIALIZER(&uhci_timo_handle);
+#endif
+
+#define MS_TO_TICKS(ms) ((ms) * hz / 1000)
+
+struct uhci_pipe {
+ struct usbd_pipe pipe;
+ uhci_intr_info_t *iinfo;
+ int newtoggle;
+ /* Info needed for different pipe kinds. */
+ union {
+ /* Control pipe */
+ struct {
+ uhci_soft_qh_t *sqh;
+ usb_dma_t reqdma;
+ usb_dma_t datadma;
+ uhci_soft_td_t *setup, *stat, *xferend;
+ u_int length;
+ } ctl;
+ /* Interrupt pipe */
+ struct {
+ usb_dma_t datadma;
+ int npoll;
+ uhci_soft_qh_t **qhs;
+ } intr;
+ /* Bulk pipe */
+ struct {
+ uhci_soft_qh_t *sqh;
+ usb_dma_t datadma;
+ u_int length;
+ int isread;
+ } bulk;
+ } u;
+};
+
+/*
+ * The uhci_intr_info free list can be global since they contain
+ * no dma specific data. The other free lists do.
+ */
+LIST_HEAD(, uhci_intr_info) uhci_ii_free;
+
+void uhci_busreset __P((uhci_softc_t *));
+void uhci_run __P((uhci_softc_t *, int run));
+uhci_soft_td_t *uhci_alloc_std __P((uhci_softc_t *));
+void uhci_free_std __P((uhci_softc_t *, uhci_soft_td_t *));
+uhci_soft_qh_t *uhci_alloc_sqh __P((uhci_softc_t *));
+void uhci_free_sqh __P((uhci_softc_t *, uhci_soft_qh_t *));
+uhci_intr_info_t *uhci_alloc_intr_info __P((uhci_softc_t *));
+void uhci_free_intr_info __P((uhci_intr_info_t *ii));
+void uhci_enter_ctl_q __P((uhci_softc_t *, uhci_soft_qh_t *,
+ uhci_intr_info_t *));
+void uhci_exit_ctl_q __P((uhci_softc_t *, uhci_soft_qh_t *));
+
+void uhci_free_std_chain __P((uhci_softc_t *,
+ uhci_soft_td_t *, uhci_soft_td_t *));
+usbd_status uhci_alloc_std_chain __P((struct uhci_pipe *, uhci_softc_t *,
+ int, int, usb_dma_t *,
+ uhci_soft_td_t **,
+ uhci_soft_td_t **));
+void uhci_timo __P((void *));
+void uhci_waitintr __P((uhci_softc_t *, usbd_request_handle));
+void uhci_check_intr __P((uhci_softc_t *, uhci_intr_info_t *));
+void uhci_ii_done __P((uhci_intr_info_t *, int));
+void uhci_timeout __P((void *));
+void uhci_wakeup_ctrl __P((void *, int, int, void *, int));
+void uhci_lock_frames __P((uhci_softc_t *));
+void uhci_unlock_frames __P((uhci_softc_t *));
+void uhci_add_ctrl __P((uhci_softc_t *, uhci_soft_qh_t *));
+void uhci_add_bulk __P((uhci_softc_t *, uhci_soft_qh_t *));
+void uhci_remove_ctrl __P((uhci_softc_t *, uhci_soft_qh_t *));
+void uhci_remove_bulk __P((uhci_softc_t *, uhci_soft_qh_t *));
+int uhci_str __P((usb_string_descriptor_t *, int, char *));
+
+void uhci_device_close __P((struct uhci_pipe *));
+
+void uhci_wakeup_cb __P((usbd_request_handle reqh));
+
+usbd_status uhci_device_ctrl_transfer __P((usbd_request_handle));
+void uhci_device_ctrl_abort __P((usbd_request_handle));
+void uhci_device_ctrl_close __P((usbd_pipe_handle));
+usbd_status uhci_device_intr_transfer __P((usbd_request_handle));
+void uhci_device_intr_abort __P((usbd_request_handle));
+void uhci_device_intr_close __P((usbd_pipe_handle));
+usbd_status uhci_device_bulk_transfer __P((usbd_request_handle));
+void uhci_device_bulk_abort __P((usbd_request_handle));
+void uhci_device_bulk_close __P((usbd_pipe_handle));
+
+usbd_status uhci_root_ctrl_transfer __P((usbd_request_handle));
+void uhci_root_ctrl_abort __P((usbd_request_handle));
+void uhci_root_ctrl_close __P((usbd_pipe_handle));
+usbd_status uhci_root_intr_transfer __P((usbd_request_handle));
+void uhci_root_intr_abort __P((usbd_request_handle));
+void uhci_root_intr_close __P((usbd_pipe_handle));
+
+usbd_status uhci_open __P((usbd_pipe_handle));
+void uhci_poll __P((struct usbd_bus *));
+
+usbd_status uhci_device_request __P((usbd_request_handle reqh));
+void uhci_ctrl_done __P((uhci_intr_info_t *ii));
+void uhci_bulk_done __P((uhci_intr_info_t *ii));
+
+void uhci_add_intr __P((uhci_softc_t *, int, uhci_soft_qh_t *));
+void uhci_remove_intr __P((uhci_softc_t *, int, uhci_soft_qh_t *));
+usbd_status uhci_device_setintr __P((uhci_softc_t *sc,
+ struct uhci_pipe *pipe, int ival));
+void uhci_intr_done __P((uhci_intr_info_t *ii));
+
+#ifdef USB_DEBUG
+static void uhci_dumpregs __P((uhci_softc_t *));
+void uhci_dump_tds __P((uhci_soft_td_t *));
+void uhci_dump_qh __P((uhci_soft_qh_t *));
+void uhci_dump __P((void));
+void uhci_dump_td __P((uhci_soft_td_t *));
+#endif
+
+#if defined(__NetBSD__)
+#define UWRITE2(sc, r, x) bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x))
+#define UWRITE4(sc, r, x) bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x))
+#define UREAD2(sc, r) bus_space_read_2((sc)->iot, (sc)->ioh, (r))
+#define UREAD4(sc, r) bus_space_read_4((sc)->iot, (sc)->ioh, (r))
+#elif defined(__FreeBSD__)
+#define UWRITE2(sc,r,x) outw((sc)->sc_iobase + (r), (x))
+#define UWRITE4(sc,r,x) outl((sc)->sc_iobase + (r), (x))
+#define UREAD2(sc,r) inw((sc)->sc_iobase + (r))
+#define UREAD4(sc,r) inl((sc)->sc_iobase + (r))
+#endif
+
+#define UHCICMD(sc, cmd) UWRITE2(sc, UHCI_CMD, cmd)
+#define UHCISTS(sc) UREAD2(sc, UHCI_STS)
+
+#define UHCI_RESET_TIMEOUT 100 /* reset timeout */
+#define UHCI_CTRL_TIMEOUT 500 /* control transaction timeout */
+#define UHCI_ISO_DELAY 50 /* delay of start of iso */
+
+#define UHCI_CURFRAME(sc) (UREAD2(sc, UHCI_FRNUM) & UHCI_FRNUM_MASK)
+
+#define UHCI_INTR_ENDPT 1
+
+struct usbd_methods uhci_root_ctrl_methods = {
+ uhci_root_ctrl_transfer,
+ uhci_root_ctrl_abort,
+ uhci_root_ctrl_close,
+ 0,
+};
+
+struct usbd_methods uhci_root_intr_methods = {
+ uhci_root_intr_transfer,
+ uhci_root_intr_abort,
+ uhci_root_intr_close,
+ 0,
+};
+
+struct usbd_methods uhci_device_ctrl_methods = {
+ uhci_device_ctrl_transfer,
+ uhci_device_ctrl_abort,
+ uhci_device_ctrl_close,
+ 0,
+};
+
+struct usbd_methods uhci_device_intr_methods = {
+ uhci_device_intr_transfer,
+ uhci_device_intr_abort,
+ uhci_device_intr_close,
+ 0,
+};
+
+struct usbd_methods uhci_device_bulk_methods = {
+ uhci_device_bulk_transfer,
+ uhci_device_bulk_abort,
+ uhci_device_bulk_close,
+ 0,
+};
+
+void
+uhci_busreset(sc)
+ uhci_softc_t *sc;
+{
+ UHCICMD(sc, UHCI_CMD_GRESET); /* global reset */
+ usbd_delay_ms(&sc->sc_bus, USB_RESET_DELAY); /* wait at least 10ms */
+ UHCICMD(sc, 0); /* do nothing */
+}
+
+usbd_status
+uhci_init(sc)
+ uhci_softc_t *sc;
+{
+ usbd_status r;
+ int i, j;
+ uhci_soft_qh_t *csqh, *bsqh, *sqh;
+ uhci_soft_td_t *std;
+ usb_dma_t dma;
+ static int uhci_global_init_done = 0;
+
+ DPRINTFN(1,("uhci_init: start\n"));
+
+ if (!uhci_global_init_done) {
+ uhci_global_init_done = 1;
+ LIST_INIT(&uhci_ii_free);
+ }
+
+#if defined(USB_DEBUG)
+ if (uhcidebug > 2)
+ uhci_dumpregs(sc);
+#endif
+
+ uhci_run(sc, 0); /* stop the controller */
+ UWRITE2(sc, UHCI_INTR, 0); /* disable interrupts */
+
+ /* Allocate and initialize real frame array. */
+ r = usb_allocmem(sc->sc_dmatag,
+ UHCI_FRAMELIST_COUNT * sizeof(uhci_physaddr_t),
+ UHCI_FRAMELIST_ALIGN, &dma);
+ if (r != USBD_NORMAL_COMPLETION)
+ return (r);
+ sc->sc_pframes = KERNADDR(&dma);
+ UWRITE2(sc, UHCI_FRNUM, 0); /* set frame number to 0 */
+ UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&dma)); /* set frame list */
+
+ uhci_busreset(sc);
+
+ /* Allocate the dummy QH where bulk traffic will be queued. */
+ bsqh = uhci_alloc_sqh(sc);
+ if (!bsqh)
+ return (USBD_NOMEM);
+ bsqh->qh->qh_hlink = UHCI_PTR_T; /* end of QH chain */
+ bsqh->qh->qh_elink = UHCI_PTR_T;
+ sc->sc_bulk_start = sc->sc_bulk_end = bsqh;
+
+ /* Allocate the dummy QH where control traffic will be queued. */
+ csqh = uhci_alloc_sqh(sc);
+ if (!csqh)
+ return (USBD_NOMEM);
+ csqh->qh->hlink = bsqh;
+ csqh->qh->qh_hlink = bsqh->physaddr | UHCI_PTR_Q;
+ csqh->qh->qh_elink = UHCI_PTR_T;
+ sc->sc_ctl_start = sc->sc_ctl_end = csqh;
+
+ /*
+ * Make all (virtual) frame list pointers point to the interrupt
+ * queue heads and the interrupt queue heads at the control
+ * queue head and point the physical frame list to the virtual.
+ */
+ for(i = 0; i < UHCI_VFRAMELIST_COUNT; i++) {
+ std = uhci_alloc_std(sc);
+ sqh = uhci_alloc_sqh(sc);
+ if (!std || !sqh)
+ return (USBD_NOMEM);
+ std->td->link.sqh = sqh;
+ std->td->td_link = sqh->physaddr | UHCI_PTR_Q;
+ std->td->td_status = UHCI_TD_IOS; /* iso, inactive */
+ std->td->td_token = 0;
+ std->td->td_buffer = 0;
+ sqh->qh->hlink = csqh;
+ sqh->qh->qh_hlink = csqh->physaddr | UHCI_PTR_Q;
+ sqh->qh->elink = 0;
+ sqh->qh->qh_elink = UHCI_PTR_T;
+ sc->sc_vframes[i].htd = std;
+ sc->sc_vframes[i].etd = std;
+ sc->sc_vframes[i].hqh = sqh;
+ sc->sc_vframes[i].eqh = sqh;
+ for (j = i;
+ j < UHCI_FRAMELIST_COUNT;
+ j += UHCI_VFRAMELIST_COUNT)
+ sc->sc_pframes[j] = std->physaddr;
+ }
+
+ LIST_INIT(&sc->sc_intrhead);
+
+ /* Set up the bus struct. */
+ sc->sc_bus.open_pipe = uhci_open;
+ sc->sc_bus.pipe_size = sizeof(struct uhci_pipe);
+ sc->sc_bus.do_poll = uhci_poll;
+
+ DPRINTFN(1,("uhci_init: enabling\n"));
+ UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE |
+ UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* enable interrupts */
+
+ uhci_run(sc, 1); /* and here we go... */
+ return (USBD_NORMAL_COMPLETION);
+}
+
+#ifdef USB_DEBUG
+static void
+uhci_dumpregs(sc)
+ uhci_softc_t *sc;
+{
+ DEVICE_MSG(sc->sc_bus.bdev,("regs: cmd=%04x, sts=%04x, intr=%04x, frnum=%04x, flbase=%08x, sof=%04x, portsc1=%04x, portsc2=%04x\n",
+ UREAD2(sc, UHCI_CMD),
+ UREAD2(sc, UHCI_STS),
+ UREAD2(sc, UHCI_INTR),
+ UREAD2(sc, UHCI_FRNUM),
+ UREAD2(sc, UHCI_FLBASEADDR),
+ UREAD2(sc, UHCI_SOF),
+ UREAD2(sc, UHCI_PORTSC1),
+ UREAD2(sc, UHCI_PORTSC2)));
+}
+
+int uhci_longtd = 1;
+
+void
+uhci_dump_td(p)
+ uhci_soft_td_t *p;
+{
+ printf("TD(%p) at %08lx = 0x%08lx 0x%08lx 0x%08lx 0x%08lx\n",
+ p, (long)p->physaddr,
+ (long)p->td->td_link,
+ (long)p->td->td_status,
+ (long)p->td->td_token,
+ (long)p->td->td_buffer);
+ if (uhci_longtd)
+#if defined(__NetBSD__)
+ printf(" %b %b,errcnt=%d,actlen=%d pid=%02x,addr=%d,endpt=%d,D=%d,maxlen=%d\n",
+ (long)p->td->td_link,
+ "\20\1T\2Q\3VF",
+ (long)p->td->td_status,
+ "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27STALLED\30ACTIVE\31IOC\32ISO\33LS\36SPD",
+ UHCI_TD_GET_ERRCNT(p->td->td_status),
+ UHCI_TD_GET_ACTLEN(p->td->td_status),
+ UHCI_TD_GET_PID(p->td->td_token),
+ UHCI_TD_GET_DEVADDR(p->td->td_token),
+ UHCI_TD_GET_ENDPT(p->td->td_token),
+ UHCI_TD_GET_DT(p->td->td_token),
+ UHCI_TD_GET_MAXLEN(p->td->td_token));
+#elif defined(__FreeBSD__)
+ printf(" Link=0x%08lx,Status=0x%08lx\n errcnt=%d,actlen=%d,pid=%02x,addr=%d,endpt=%d,D=%d,maxlen=%d\n",
+ (long)p->td->td_link,
+ (long)p->td->td_status,
+ UHCI_TD_GET_ERRCNT(p->td->td_status),
+ UHCI_TD_GET_ACTLEN(p->td->td_status),
+ UHCI_TD_GET_PID(p->td->td_token),
+ UHCI_TD_GET_DEVADDR(p->td->td_token),
+ UHCI_TD_GET_ENDPT(p->td->td_token),
+ UHCI_TD_GET_DT(p->td->td_token),
+ UHCI_TD_GET_MAXLEN(p->td->td_token));
+#endif
+
+}
+
+void
+uhci_dump_qh(p)
+ uhci_soft_qh_t *p;
+{
+ printf("QH(%p) at %08x: hlink=%08x elink=%08x\n", p, (int)p->physaddr,
+ p->qh->qh_hlink, p->qh->qh_elink);
+}
+
+
+#if 0
+void
+uhci_dump()
+{
+ uhci_softc_t *sc = uhci;
+
+ uhci_dumpregs(sc);
+ printf("intrs=%d\n", sc->sc_intrs);
+ printf("framelist[i].link = %08x\n", sc->sc_framelist[0].link);
+ uhci_dump_qh(sc->sc_ctl_start->qh->hlink);
+}
+#endif
+
+void
+uhci_dump_tds(std)
+ uhci_soft_td_t *std;
+{
+ uhci_soft_td_t *p;
+
+ for(p = std; p; p = p->td->link.std)
+ uhci_dump_td(p);
+}
+#endif
+
+/*
+ * This routine is executed periodically and simulates interrupts
+ * from the root controller interrupt pipe for port status change.
+ */
+void
+uhci_timo(addr)
+ void *addr;
+{
+ usbd_request_handle reqh = addr;
+ usbd_pipe_handle pipe = reqh->pipe;
+ uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus;
+ struct uhci_pipe *upipe = (struct uhci_pipe *)pipe;
+ int s;
+ u_char *p;
+
+ DPRINTFN(15, ("uhci_timo\n"));
+
+ p = KERNADDR(&upipe->u.intr.datadma);
+ p[0] = 0;
+ if (UREAD2(sc, UHCI_PORTSC1) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC))
+ p[0] |= 1<<1;
+ if (UREAD2(sc, UHCI_PORTSC2) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC))
+ p[0] |= 1<<2;
+ if (p[0] != 0) {
+ reqh->actlen = 1;
+ reqh->status = USBD_NORMAL_COMPLETION;
+ s = splusb();
+ reqh->xfercb(reqh);
+ splx(s);
+ }
+ if (reqh->pipe->intrreqh == reqh) {
+#if defined(__NetBSD__)
+ timeout(uhci_timo, reqh, sc->sc_ival);
+#elif defined(__FreeBSD__)
+ /* To avoid race conditions we first initialise the struct
+ * before we use it. The timeout might happen between the
+ * setting of the timeout and the setting of callout_handler
+ */
+ callout_handle_init(&reqh->callout_handler);
+ reqh->callout_handler = timeout(uhci_timo, reqh, sc->sc_ival);
+#endif
+ } else {
+ usb_freemem(sc->sc_dmatag, &upipe->u.intr.datadma);
+ }
+}
+
+
+void
+uhci_lock_frames(sc)
+ uhci_softc_t *sc;
+{
+ int s = splusb();
+ while (sc->sc_vflock) {
+ sc->sc_vflock |= UHCI_WANT_LOCK;
+ tsleep(&sc->sc_vflock, PRIBIO, "uhcqhl", 0);
+ }
+ sc->sc_vflock = UHCI_HAS_LOCK;
+ splx(s);
+}
+
+void
+uhci_unlock_frames(sc)
+ uhci_softc_t *sc;
+{
+ int s = splusb();
+ sc->sc_vflock &= ~UHCI_HAS_LOCK;
+ if (sc->sc_vflock & UHCI_WANT_LOCK)
+ wakeup(&sc->sc_vflock);
+ splx(s);
+}
+
+/*
+ * Allocate an interrupt information struct. A free list is kept
+ * for fast allocation.
+ */
+uhci_intr_info_t *
+uhci_alloc_intr_info(sc)
+ uhci_softc_t *sc;
+{
+ uhci_intr_info_t *ii;
+
+ ii = LIST_FIRST(&uhci_ii_free);
+ if (ii)
+ LIST_REMOVE(ii, list);
+ else {
+ ii = malloc(sizeof(uhci_intr_info_t), M_USBDEV, M_NOWAIT);
+ }
+ ii->sc = sc;
+ return ii;
+}
+
+void
+uhci_free_intr_info(ii)
+ uhci_intr_info_t *ii;
+{
+ LIST_INSERT_HEAD(&uhci_ii_free, ii, list); /* and put on free list */
+}
+
+/* Add control QH, called at splusb(). */
+void
+uhci_add_ctrl(sc, sqh)
+ uhci_softc_t *sc;
+ uhci_soft_qh_t *sqh;
+{
+ uhci_qh_t *eqh;
+
+ DPRINTFN(10, ("uhci_add_ctrl: sqh=%p\n", sqh));
+ eqh = sc->sc_ctl_end->qh;
+ sqh->qh->hlink = eqh->hlink;
+ sqh->qh->qh_hlink = eqh->qh_hlink;
+ eqh->hlink = sqh;
+ eqh->qh_hlink = sqh->physaddr | UHCI_PTR_Q;
+ sc->sc_ctl_end = sqh;
+}
+
+/* Remove control QH, called at splusb(). */
+void
+uhci_remove_ctrl(sc, sqh)
+ uhci_softc_t *sc;
+ uhci_soft_qh_t *sqh;
+{
+ uhci_soft_qh_t *pqh;
+
+ DPRINTFN(10, ("uhci_remove_ctrl: sqh=%p\n", sqh));
+ for (pqh = sc->sc_ctl_start; pqh->qh->hlink != sqh; pqh=pqh->qh->hlink)
+#if defined(DIAGNOSTIC) || defined(USB_DEBUG)
+ if (pqh->qh->qh_hlink & UHCI_PTR_T) {
+ printf("uhci_remove_ctrl: QH not found\n");
+ return;
+ }
+#else
+ ;
+#endif
+ pqh->qh->hlink = sqh->qh->hlink;
+ pqh->qh->qh_hlink = sqh->qh->qh_hlink;
+ if (sc->sc_ctl_end == sqh)
+ sc->sc_ctl_end = pqh;
+}
+
+/* Add bulk QH, called at splusb(). */
+void
+uhci_add_bulk(sc, sqh)
+ uhci_softc_t *sc;
+ uhci_soft_qh_t *sqh;
+{
+ uhci_qh_t *eqh;
+
+ DPRINTFN(10, ("uhci_add_bulk: sqh=%p\n", sqh));
+ eqh = sc->sc_bulk_end->qh;
+ sqh->qh->hlink = eqh->hlink;
+ sqh->qh->qh_hlink = eqh->qh_hlink;
+ eqh->hlink = sqh;
+ eqh->qh_hlink = sqh->physaddr | UHCI_PTR_Q;
+ sc->sc_bulk_end = sqh;
+}
+
+/* Remove bulk QH, called at splusb(). */
+void
+uhci_remove_bulk(sc, sqh)
+ uhci_softc_t *sc;
+ uhci_soft_qh_t *sqh;
+{
+ uhci_soft_qh_t *pqh;
+
+ DPRINTFN(10, ("uhci_remove_bulk: sqh=%p\n", sqh));
+ for (pqh = sc->sc_bulk_start; pqh->qh->hlink != sqh; pqh=pqh->qh->hlink)
+#if defined(DIAGNOSTIC) || defined(USB_DEBUG)
+ if (pqh->qh->qh_hlink & UHCI_PTR_T) {
+ printf("uhci_remove_bulk: QH not found\n");
+ return;
+ }
+#else
+ ;
+#endif
+ pqh->qh->hlink = sqh->qh->hlink;
+ pqh->qh->qh_hlink = sqh->qh->qh_hlink;
+ if (sc->sc_bulk_end == sqh)
+ sc->sc_bulk_end = pqh;
+}
+
+int
+uhci_intr(p)
+ void *p;
+{
+ uhci_softc_t *sc = p;
+ int status, ret;
+ uhci_intr_info_t *ii;
+
+ sc->sc_intrs++;
+#if defined(USB_DEBUG)
+ if (uhcidebug > 9)
+ uhci_dumpregs(sc);
+#endif
+ status = UREAD2(sc, UHCI_STS);
+ ret = 0;
+ if (status & UHCI_STS_USBINT) {
+ UWRITE2(sc, UHCI_STS, UHCI_STS_USBINT); /* acknowledge */
+ ret = 1;
+ }
+ if (status & UHCI_STS_USBEI) {
+ UWRITE2(sc, UHCI_STS, UHCI_STS_USBEI); /* acknowledge */
+ ret = 1;
+ }
+ if (status & UHCI_STS_RD) {
+ UWRITE2(sc, UHCI_STS, UHCI_STS_RD); /* acknowledge */
+ DEVICE_MSG(sc->sc_bus.bdev, ("resume detect\n"));
+ ret = 1;
+ }
+ if (status & UHCI_STS_HSE) {
+ UWRITE2(sc, UHCI_STS, UHCI_STS_HSE); /* acknowledge */
+ DEVICE_MSG(sc->sc_bus.bdev, ("Host System Error\n"));
+ ret = 1;
+ }
+ if (status & UHCI_STS_HCPE) {
+ UWRITE2(sc, UHCI_STS, UHCI_STS_HCPE); /* acknowledge */
+ DEVICE_MSG(sc->sc_bus.bdev, ("Host System Error\n"));
+ ret = 1;
+ }
+ if (status & UHCI_STS_HCH)
+ DEVICE_ERROR(sc->sc_bus.bdev, ("controller halted\n"));
+ if (!ret)
+ return 0;
+
+ /*
+ * Interrupts on UHCI really suck. When the host controller
+ * interrupts because a transfer is completed there is no
+ * way of knowing which transfer it was. You can scan down
+ * the TDs and QHs of the previous frame to limit the search,
+ * but that assumes that the interrupt was not delayed by more
+ * than 1 ms, which may not always be true (e.g. after debug
+ * output on a slow console).
+ * We scan all interrupt descriptors to see if any have
+ * completed.
+ */
+ for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list))
+ uhci_check_intr(sc, ii);
+
+ DPRINTFN(10, ("uhci_intr: exit\n"));
+ return 1;
+}
+
+/* Check for an interrupt. */
+void
+uhci_check_intr(sc, ii)
+ uhci_softc_t *sc;
+ uhci_intr_info_t *ii;
+{
+ struct uhci_pipe *upipe;
+ uhci_soft_td_t *std, *lstd;
+
+ DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii));
+#ifdef DIAGNOSTIC
+ if (!ii) {
+ printf("uhci_check_intr: no ii? %p\n", ii);
+ return;
+ }
+#endif
+ if (!ii->stdstart)
+ return;
+ lstd = ii->stdend;
+#ifdef DIAGNOSTIC
+ if (!lstd) {
+ printf("uhci_check_intr: std==0\n");
+ return;
+ }
+#endif
+ /* If the last TD is still active the whole transfer probably is. */
+ if (lstd->td->td_status & UHCI_TD_ACTIVE) {
+ DPRINTFN(15, ("uhci_check_intr: active ii=%p\n", ii));
+ for (std = ii->stdstart; std != lstd; std = std->td->link.std)
+ if (std->td->td_status & UHCI_TD_STALLED)
+ goto done;
+ DPRINTFN(15, ("uhci_check_intr: ii=%p still active\n", ii));
+ return;
+ }
+ done:
+ upipe = (struct uhci_pipe *)ii->reqh->pipe;
+ upipe->pipe.endpoint->toggle = upipe->newtoggle;
+ uhci_ii_done(ii, 0);
+#if defined(__NetBSD__)
+ untimeout(uhci_timeout, ii);
+#elif defined(__FreeBSD__)
+ untimeout(uhci_timeout, ii, ii->callout_handler);
+#endif
+}
+
+void
+uhci_ii_done(ii, timo)
+ uhci_intr_info_t *ii;
+ int timo;
+{
+ usbd_request_handle reqh = ii->reqh;
+ uhci_soft_td_t *std;
+ u_int32_t tst;
+ int len, status;
+
+ DPRINTFN(10, ("uhci_ii_done: ii=%p ready %d\n", ii, timo));
+
+#ifdef DIAGNOSTIC
+ {
+ int s = splhigh();
+ if (ii->isdone) {
+ printf("uhci_ii_done: is done!\n");
+ splx(s);
+ return;
+ }
+ ii->isdone = 1;
+ splx(s);
+ }
+#endif
+
+ /* The transfer is done, compute length and status. */
+ for (len = status = 0, std = ii->stdstart;
+ std != 0;
+ std = std->td->link.std) {
+ tst = std->td->td_status;
+ status |= tst;
+#ifdef USB_DEBUG
+ if ((tst & UHCI_TD_ERROR) && uhcidebug) {
+ printf("uhci_ii_done: intr error TD:\n");
+ uhci_dump_td(std);
+ }
+#endif
+ if (UHCI_TD_GET_PID(std->td->td_token) != UHCI_TD_PID_SETUP)
+ len += UHCI_TD_GET_ACTLEN(tst);
+ }
+ status &= UHCI_TD_ERROR;
+ /* NWH wrong func name also below, 'uhci_intr' 3 times
+ DPRINTFN(10, ("uhci_check_intr: len=%d, status=0x%x\n", len, status));
+ */
+ DPRINTFN(10, ("uhci_ii_done: len=%d\n", len));
+ if (status != 0) {
+#if defined(__NetBSD__)
+ DPRINTFN(-1+(status==UHCI_TD_STALLED),
+ ("uhci_ii_done: error, status 0x%b\n", (long)status,
+ "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27STALLED\30ACTIVE"));
+#elif defined(__FreeBSD__)
+ DPRINTFN(-1+(status==UHCI_TD_STALLED),
+ ("uhci_ii_done: error, status 0x%08lx\n", (long)status));
+#endif
+ if (status == UHCI_TD_STALLED)
+ reqh->status = USBD_STALLED;
+ else
+ reqh->status = USBD_IOERROR; /* more info XXX */
+ reqh->actlen = 0;
+ } else {
+ reqh->status = USBD_NORMAL_COMPLETION;
+ reqh->actlen = len;
+ }
+ if (timo) {
+ /* We got a timeout. Make sure transaction is not active. */
+ reqh->status = USBD_TIMEOUT;
+ for (std = ii->stdstart; std != 0; std = std->td->link.std)
+ std->td->td_status &= ~UHCI_TD_ACTIVE;
+ /* XXX should we wait 1 ms */
+ }
+ DPRINTFN(5, ("uhci_ii_done: calling handler ii=%p\n", ii));
+
+ switch (reqh->pipe->endpoint->edesc->bmAttributes & UE_XFERTYPE) {
+ case UE_CONTROL:
+ uhci_ctrl_done(ii);
+ break;
+ case UE_ISOCHRONOUS:
+ printf("uhci_ii_done: ISO??\n");
+ break;
+ case UE_BULK:
+ uhci_bulk_done(ii);
+ break;
+ case UE_INTERRUPT:
+ uhci_intr_done(ii);
+ break;
+ }
+
+ /* And finally execute callback. */
+ reqh->xfercb(reqh);
+}
+
+void
+uhci_timeout(addr)
+ void *addr;
+{
+ uhci_intr_info_t *ii = addr;
+ int s;
+
+ DPRINTF(("uhci_timeout: ii=%p\n", ii));
+ s = splusb();
+ uhci_ii_done(ii, 1);
+ splx(s);
+}
+
+/*
+ * Wait here until controller claims to have an interrupt.
+ * Then call uhci_intr and return. Use timeout to avoid waiting
+ * too long.
+ */
+void
+uhci_waitintr(sc, reqh)
+ uhci_softc_t *sc;
+ usbd_request_handle reqh;
+{
+ int timo = reqh->timeout;
+ int usecs;
+ int hzs;
+
+ DPRINTFN(10,("uhci_waitintr: timout = %ds\n", timo));
+
+ reqh->status = USBD_IN_PROGRESS;
+ for (usecs = timo * 1000000 / hz; usecs > 0; usecs -= 100000) {
+ /* NWH replaced by usbd_delay_ms
+ delay(1000);
+ NWH and descreased frequency from 1ms to 100ms, see also usecs -=...
+ */
+ usbd_delay_ms(&(sc->sc_bus), 100);
+ /* NWH disabled
+ DPRINTFN(10,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS)));
+ */
+ if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) {
+ uhci_intr(sc);
+ if (reqh->status != USBD_IN_PROGRESS)
+ return;
+ }
+ }
+ reqh->status = USBD_TIMEOUT;
+ reqh->xfercb(reqh);
+}
+
+void
+uhci_poll(bus)
+ struct usbd_bus *bus;
+{
+ uhci_softc_t *sc = (uhci_softc_t *)bus;
+
+ if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT)
+ uhci_intr(sc);
+}
+
+#if 0
+void
+uhci_reset(p)
+ void *p;
+{
+ uhci_softc_t *sc = p;
+ int n;
+
+ UHCICMD(sc, UHCI_CMD_HCRESET);
+ /* The reset bit goes low when the controller is done. */
+ for (n = 0; n < UHCI_RESET_TIMEOUT &&
+ (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++)
+ delay(100);
+ if (n >= UHCI_RESET_TIMEOUT)
+ DEVICE_ERROR(sc->sc_bus.bdev, ("controller did not reset\n"));
+}
+#endif
+
+void
+uhci_run(sc, run)
+ uhci_softc_t *sc;
+ int run;
+{
+ int s, n, running;
+
+ run = run != 0;
+ s = splusb(); /* XXX really? */
+ running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH);
+ if (run == running) {
+ splx(s);
+ return;
+ }
+ UWRITE2(sc, UHCI_CMD, run ? UHCI_CMD_RS : 0);
+ for(n = 0; n < 100; n++) {
+ running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH);
+ /* return when we've entered the state we want */
+ if (run == running) {
+ splx(s);
+ return;
+ }
+ }
+ splx(s);
+ DEVICE_ERROR(sc->sc_bus.bdev, ("cannot %s\n", (run ? "start" : "stop")));
+}
+
+/*
+ * Memory management routines.
+ * uhci_alloc_std allocates TDs
+ * uhci_alloc_sqh allocates QHs
+ * These two routines do their own free list management,
+ * partly for speed, partly because allocating DMAable memory
+ * has page size granularaity so much memory would be wasted if
+ * only one TD/QH (32 bytes) was placed in each alloacted chunk.
+ */
+
+uhci_soft_td_t *
+uhci_alloc_std(sc)
+ uhci_softc_t *sc;
+{
+ uhci_soft_td_t *std;
+ usbd_status r;
+ int i;
+ usb_dma_t dma;
+
+ if (!sc->sc_freetds) {
+ DPRINTFN(2,("uhci_alloc_std: allocating chunk\n"));
+ std = malloc(sizeof(uhci_soft_td_t) * UHCI_TD_CHUNK,
+ M_USBDEV, M_NOWAIT);
+ if (!std)
+ return 0;
+ r = usb_allocmem(sc->sc_dmatag, UHCI_TD_SIZE * UHCI_TD_CHUNK,
+ UHCI_TD_ALIGN, &dma);
+ if (r != USBD_NORMAL_COMPLETION) {
+ free(std, M_USBDEV);
+ return 0;
+ }
+ for(i = 0; i < UHCI_TD_CHUNK; i++, std++) {
+ std->physaddr = DMAADDR(&dma) +
+ i * UHCI_TD_SIZE;
+ std->td = (uhci_td_t *)
+ ((char *)KERNADDR(&dma) + i * UHCI_TD_SIZE);
+ std->td->link.std = sc->sc_freetds;
+ sc->sc_freetds = std;
+ }
+ }
+ std = sc->sc_freetds;
+ sc->sc_freetds = std->td->link.std;
+ memset(std->td, 0, UHCI_TD_SIZE);
+ return std;
+}
+
+void
+uhci_free_std(sc, std)
+ uhci_softc_t *sc;
+ uhci_soft_td_t *std;
+{
+#ifdef DIAGNOSTIC
+#define TD_IS_FREE 0x12345678
+ if (std->td->td_token == TD_IS_FREE) {
+ printf("uhci_free_std: freeing free TD %p\n", std);
+ return;
+ }
+ std->td->td_token = TD_IS_FREE;
+#endif
+ std->td->link.std = sc->sc_freetds;
+ sc->sc_freetds = std;
+}
+
+uhci_soft_qh_t *
+uhci_alloc_sqh(sc)
+ uhci_softc_t *sc;
+{
+ uhci_soft_qh_t *sqh;
+ usbd_status r;
+ int i, offs;
+ usb_dma_t dma;
+
+ if (!sc->sc_freeqhs) {
+ DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n"));
+ sqh = malloc(sizeof(uhci_soft_qh_t) * UHCI_QH_CHUNK,
+ M_USBDEV, M_NOWAIT);
+ if (!sqh)
+ return 0;
+ r = usb_allocmem(sc->sc_dmatag, UHCI_QH_SIZE * UHCI_QH_CHUNK,
+ UHCI_QH_ALIGN, &dma);
+ if (r != USBD_NORMAL_COMPLETION) {
+ free(sqh, M_USBDEV);
+ return 0;
+ }
+ for(i = 0; i < UHCI_QH_CHUNK; i++, sqh++) {
+ offs = i * UHCI_QH_SIZE;
+ sqh->physaddr = DMAADDR(&dma) + offs;
+ sqh->qh = (uhci_qh_t *)
+ ((char *)KERNADDR(&dma) + offs);
+ sqh->qh->hlink = sc->sc_freeqhs;
+ sc->sc_freeqhs = sqh;
+ }
+ }
+ sqh = sc->sc_freeqhs;
+ sc->sc_freeqhs = sqh->qh->hlink;
+ memset(sqh->qh, 0, UHCI_QH_SIZE);
+ return sqh;
+}
+
+void
+uhci_free_sqh(sc, sqh)
+ uhci_softc_t *sc;
+ uhci_soft_qh_t *sqh;
+{
+ sqh->qh->hlink = sc->sc_freeqhs;
+ sc->sc_freeqhs = sqh;
+}
+
+/*
+ * Enter a list of transfers onto a control queue.
+ * Called at splusb()
+ */
+void
+uhci_enter_ctl_q(sc, sqh, ii)
+ uhci_softc_t *sc;
+ uhci_soft_qh_t *sqh;
+ uhci_intr_info_t *ii;
+{
+ DPRINTFN(5, ("uhci_enter_ctl_q: sqh=%p\n", sqh));
+
+}
+
+void
+uhci_free_std_chain(sc, std, stdend)
+ uhci_softc_t *sc;
+ uhci_soft_td_t *std;
+ uhci_soft_td_t *stdend;
+{
+ uhci_soft_td_t *p;
+
+ for (; std != stdend; std = p) {
+ p = std->td->link.std;
+ uhci_free_std(sc, std);
+ }
+}
+
+usbd_status
+uhci_alloc_std_chain(upipe, sc, len, rd, dma, sp, ep)
+ struct uhci_pipe *upipe;
+ uhci_softc_t *sc;
+ int len, rd;
+ usb_dma_t *dma;
+ uhci_soft_td_t **sp, **ep;
+{
+ uhci_soft_td_t *p, *lastp;
+ uhci_physaddr_t lastlink;
+ u_int32_t ls;
+ int i, ntd, l, tog, maxp;
+ int addr = upipe->pipe.device->address;
+ int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress;
+
+ DPRINTFN(15, ("uhci_alloc_std_chain: len=%d\n", len));
+ if (len == 0) {
+ *sp = *ep = 0;
+ printf("uhci_alloc_std_chain: len=0\n");
+ return (USBD_NORMAL_COMPLETION);
+ }
+ ls = upipe->pipe.device->lowspeed ? UHCI_TD_LS : 0;
+ maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize);
+ if (maxp == 0) {
+ printf("uhci_alloc_std_chain: maxp=0\n");
+ return (USBD_INVAL);
+ }
+ ntd = (len + maxp - 1) / maxp;
+ tog = upipe->pipe.endpoint->toggle;
+ if (ntd % 2 == 0)
+ tog ^= 1;
+ upipe->newtoggle = tog ^ 1;
+ lastp = 0;
+ lastlink = UHCI_PTR_T;
+ ntd--;
+ for (i = ntd; i >= 0; i--) {
+ p = uhci_alloc_std(sc);
+ if (!p) {
+ uhci_free_std_chain(sc, lastp, 0);
+ return (USBD_NOMEM);
+ }
+ p->td->link.std = lastp;
+ p->td->td_link = lastlink;
+ lastp = p;
+ lastlink = p->physaddr;
+ p->td->td_status = UHCI_TD_SET_ERRCNT(2) | ls | UHCI_TD_ACTIVE;
+ if (i == ntd) {
+ /* last TD */
+ l = len % maxp;
+ if (l == 0) l = maxp;
+ *ep = p;
+ } else
+ l = maxp;
+ p->td->td_token =
+ rd ? UHCI_TD_IN (l, endpt, addr, tog) :
+ UHCI_TD_OUT(l, endpt, addr, tog);
+ p->td->td_buffer = DMAADDR(dma) + i * maxp;
+ tog ^= 1;
+ }
+ *sp = lastp;
+ /*upipe->pipe.endpoint->toggle = tog;*/
+ DPRINTFN(10, ("uhci_alloc_std_chain: oldtog=%d newtog=%d\n",
+ upipe->pipe.endpoint->toggle, upipe->newtoggle));
+ return (USBD_NORMAL_COMPLETION);
+}
+
+usbd_status
+uhci_device_bulk_transfer(reqh)
+ usbd_request_handle reqh;
+{
+ struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe;
+ usbd_device_handle dev = upipe->pipe.device;
+ uhci_softc_t *sc = (uhci_softc_t *)dev->bus;
+ uhci_intr_info_t *ii = upipe->iinfo;
+ uhci_soft_td_t *xfer, *xferend;
+ uhci_soft_qh_t *sqh;
+ usb_dma_t *dmap;
+ usbd_status r;
+ int len, isread;
+ int s;
+
+ DPRINTFN(3, ("uhci_device_bulk_transfer: reqh=%p buf=%p len=%d flags=%d\n",
+ reqh, reqh->buffer, reqh->length, reqh->flags));
+
+ if (reqh->isreq)
+ panic("uhci_device_bulk_transfer: a request\n");
+
+ len = reqh->length;
+ dmap = &upipe->u.bulk.datadma;
+ isread = reqh->pipe->endpoint->edesc->bEndpointAddress & UE_IN;
+ sqh = upipe->u.bulk.sqh;
+
+ upipe->u.bulk.isread = isread;
+ upipe->u.bulk.length = len;
+
+ r = usb_allocmem(sc->sc_dmatag, len, 0, dmap);
+ if (r != USBD_NORMAL_COMPLETION)
+ goto ret1;
+ r = uhci_alloc_std_chain(upipe, sc, len, isread,
+ dmap, &xfer, &xferend);
+ if (r != USBD_NORMAL_COMPLETION)
+ goto ret2;
+ xferend->td->td_status |= UHCI_TD_IOC;
+
+ if (!isread && len != 0)
+ memcpy(KERNADDR(dmap), reqh->buffer, len);
+
+#ifdef USB_DEBUG
+ if (uhcidebug > 10) {
+ printf("uhci_device_bulk_transfer: xfer(1)\n");
+ uhci_dump_tds(xfer);
+ }
+#endif
+
+ /* Set up interrupt info. */
+ ii->reqh = reqh;
+ ii->stdstart = xfer;
+ ii->stdend = xferend;
+#ifdef DIAGNOSTIC
+ ii->isdone = 0;
+#endif
+
+ sqh->qh->elink = xfer;
+ sqh->qh->qh_elink = xfer->physaddr;
+ sqh->intr_info = ii;
+
+ s = splusb();
+ uhci_add_bulk(sc, sqh);
+ LIST_INSERT_HEAD(&sc->sc_intrhead, ii, list);
+
+ if (reqh->timeout && !sc->sc_bus.use_polling)
+ timeout(uhci_timeout, ii, MS_TO_TICKS(reqh->timeout));
+ splx(s);
+
+#ifdef USB_DEBUG
+ if (uhcidebug > 10) {
+ printf("uhci_device_bulk_transfer: xfer(2)\n");
+ uhci_dump_tds(xfer);
+ }
+#endif
+
+ return (USBD_IN_PROGRESS);
+
+ ret2:
+ if (len != 0)
+ usb_freemem(sc->sc_dmatag, dmap);
+ ret1:
+ return (r);
+}
+
+/* Abort a device bulk request. */
+void
+uhci_device_bulk_abort(reqh)
+ usbd_request_handle reqh;
+{
+ /* XXX inactivate */
+ usbd_delay_ms(reqh->pipe->device->bus, 1); /* make sure it is finished */
+ /* XXX call done */
+}
+
+/* Close a device bulk pipe. */
+void
+uhci_device_bulk_close(pipe)
+ usbd_pipe_handle pipe;
+{
+ struct uhci_pipe *upipe = (struct uhci_pipe *)pipe;
+ usbd_device_handle dev = upipe->pipe.device;
+ uhci_softc_t *sc = (uhci_softc_t *)dev->bus;
+
+ uhci_free_sqh(sc, upipe->u.bulk.sqh);
+ uhci_free_intr_info(upipe->iinfo);
+ /* XXX free other resources */
+}
+
+usbd_status
+uhci_device_ctrl_transfer(reqh)
+ usbd_request_handle reqh;
+{
+ uhci_softc_t *sc = (uhci_softc_t *)reqh->pipe->device->bus;
+ usbd_status r;
+
+ if (!reqh->isreq)
+ panic("uhci_device_ctrl_transfer: not a request\n");
+
+ r = uhci_device_request(reqh);
+ if (r != USBD_NORMAL_COMPLETION)
+ return (r);
+
+ if (sc->sc_bus.use_polling)
+ uhci_waitintr(sc, reqh);
+ return (USBD_IN_PROGRESS);
+}
+
+usbd_status
+uhci_device_intr_transfer(reqh)
+ usbd_request_handle reqh;
+{
+ struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe;
+ usbd_device_handle dev = upipe->pipe.device;
+ uhci_softc_t *sc = (uhci_softc_t *)dev->bus;
+ uhci_intr_info_t *ii = upipe->iinfo;
+ uhci_soft_td_t *xfer, *xferend;
+ uhci_soft_qh_t *sqh;
+ usb_dma_t *dmap;
+ usbd_status r;
+ int len, i;
+ int s;
+
+ DPRINTFN(3, ("uhci_device_intr_transfer: reqh=%p buf=%p len=%d flags=%d\n",
+ reqh, reqh->buffer, reqh->length, reqh->flags));
+
+ if (reqh->isreq)
+ panic("uhci_device_intr_transfer: a request\n");
+
+ 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)
+ goto ret1;
+ r = uhci_alloc_std_chain(upipe, sc, len, 1, dmap, &xfer, &xferend);
+ if (r != USBD_NORMAL_COMPLETION)
+ goto ret2;
+ xferend->td->td_status |= UHCI_TD_IOC;
+
+#ifdef USB_DEBUG
+ if (uhcidebug > 10) {
+ printf("uhci_device_intr_transfer: xfer(1)\n");
+ uhci_dump_tds(xfer);
+ uhci_dump_qh(upipe->u.intr.qhs[0]);
+ }
+#endif
+
+ s = splusb();
+ /* Set up interrupt info. */
+ ii->reqh = reqh;
+ ii->stdstart = xfer;
+ ii->stdend = xferend;
+#ifdef DIAGNOSTIC
+ ii->isdone = 0;
+#endif
+
+DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", upipe->u.intr.qhs[0]));
+ for (i = 0; i < upipe->u.intr.npoll; i++) {
+ sqh = upipe->u.intr.qhs[i];
+ sqh->qh->elink = xfer;
+ sqh->qh->qh_elink = xfer->physaddr;
+ }
+ splx(s);
+
+#ifdef USB_DEBUG
+ if (uhcidebug > 10) {
+ printf("uhci_device_intr_transfer: xfer(2)\n");
+ uhci_dump_tds(xfer);
+ uhci_dump_qh(upipe->u.intr.qhs[0]);
+ }
+#endif
+
+ return (USBD_IN_PROGRESS);
+
+ ret2:
+ if (len != 0)
+ usb_freemem(sc->sc_dmatag, dmap);
+ ret1:
+ return (r);
+}
+
+/* Abort a device control request. */
+void
+uhci_device_ctrl_abort(reqh)
+ usbd_request_handle reqh;
+{
+ /* XXX inactivate */
+ usbd_delay_ms(reqh->pipe->device->bus, 1); /* make sure it is finished */
+ /* XXX call done */
+}
+
+/* Close a device control pipe. */
+void
+uhci_device_ctrl_close(pipe)
+ usbd_pipe_handle pipe;
+{
+ struct uhci_pipe *upipe = (struct uhci_pipe *)pipe;
+
+ uhci_free_intr_info(upipe->iinfo);
+ /* XXX free other resources */
+}
+
+/* Abort a device interrupt request. */
+void
+uhci_device_intr_abort(reqh)
+ usbd_request_handle reqh;
+{
+ struct uhci_pipe *upipe;
+
+ DPRINTFN(1, ("uhci_device_intr_abort: reqh=%p\n", reqh));
+ /* XXX inactivate */
+ usbd_delay_ms(reqh->pipe->device->bus, 2); /* make sure it is finished */
+ if (reqh->pipe->intrreqh == reqh) {
+ DPRINTF(("uhci_device_intr_abort: remove\n"));
+ reqh->pipe->intrreqh = 0;
+ upipe = (struct uhci_pipe *)reqh->pipe;
+ uhci_intr_done(upipe->u.intr.qhs[0]->intr_info);
+ }
+}
+
+/* Close a device interrupt pipe. */
+void
+uhci_device_intr_close(pipe)
+ usbd_pipe_handle pipe;
+{
+ struct uhci_pipe *upipe = (struct uhci_pipe *)pipe;
+ uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus;
+ int i, s, npoll;
+
+ upipe->iinfo->stdstart = 0; /* inactive */
+
+ /* Unlink descriptors from controller data structures. */
+ npoll = upipe->u.intr.npoll;
+ uhci_lock_frames(sc);
+ for (i = 0; i < npoll; i++)
+ uhci_remove_intr(sc, upipe->u.intr.qhs[i]->pos,
+ upipe->u.intr.qhs[i]);
+ uhci_unlock_frames(sc);
+
+ /*
+ * We now have to wait for any activity on the physical
+ * descriptors to stop.
+ */
+ usbd_delay_ms(&sc->sc_bus, 2);
+
+ for(i = 0; i < npoll; i++)
+ uhci_free_sqh(sc, upipe->u.intr.qhs[i]);
+ free(upipe->u.intr.qhs, M_USB);
+
+ s = splusb();
+ LIST_REMOVE(upipe->iinfo, list); /* remove from active list */
+ splx(s);
+ uhci_free_intr_info(upipe->iinfo);
+
+ /* XXX free other resources */
+}
+
+usbd_status
+uhci_device_request(reqh)
+ usbd_request_handle reqh;
+{
+ struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe;
+ usb_device_request_t *req = &reqh->request;
+ usbd_device_handle dev = upipe->pipe.device;
+ uhci_softc_t *sc = (uhci_softc_t *)dev->bus;
+ int addr = dev->address;
+ int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress;
+ uhci_intr_info_t *ii = upipe->iinfo;
+ uhci_soft_td_t *setup, *xfer, *stat, *next, *xferend;
+ uhci_soft_qh_t *sqh;
+ usb_dma_t *dmap;
+ int len;
+ u_int32_t ls;
+ usbd_status r;
+ int isread;
+ int s;
+
+ DPRINTFN(1,("uhci_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), UGETW(req->wLength),
+ addr, endpt));
+
+ ls = dev->lowspeed ? UHCI_TD_LS : 0;
+ isread = req->bmRequestType & UT_READ;
+ len = UGETW(req->wLength);
+
+ setup = upipe->u.ctl.setup;
+ stat = upipe->u.ctl.stat;
+ sqh = upipe->u.ctl.sqh;
+ dmap = &upipe->u.ctl.datadma;
+
+ /* Set up data transaction */
+ if (len != 0) {
+ r = usb_allocmem(sc->sc_dmatag, len, 0, dmap);
+ if (r != USBD_NORMAL_COMPLETION)
+ goto ret1;
+ upipe->pipe.endpoint->toggle = 1;
+ r = uhci_alloc_std_chain(upipe, sc, len, isread,
+ dmap, &xfer, &xferend);
+ if (r != USBD_NORMAL_COMPLETION)
+ goto ret2;
+ next = xfer;
+ xferend->td->link.std = stat;
+ xferend->td->td_link = stat->physaddr;
+ } else {
+ xfer = 0;
+ next = stat;
+ }
+ upipe->u.ctl.length = len;
+ upipe->u.ctl.xferend = xferend;
+
+ memcpy(KERNADDR(&upipe->u.ctl.reqdma), req, sizeof *req);
+ if (!isread && len != 0)
+ memcpy(KERNADDR(dmap), reqh->buffer, len);
+
+ setup->td->link.std = next;
+ setup->td->td_link = next->physaddr;
+ setup->td->td_status = UHCI_TD_SET_ERRCNT(2) | ls | UHCI_TD_ACTIVE;
+ setup->td->td_token = UHCI_TD_SETUP(sizeof *req, endpt, addr);
+ setup->td->td_buffer = DMAADDR(&upipe->u.ctl.reqdma);
+
+ stat->td->link.std = 0;
+ stat->td->td_link = UHCI_PTR_T;
+ stat->td->td_status = UHCI_TD_SET_ERRCNT(2) | ls |
+ UHCI_TD_ACTIVE | UHCI_TD_IOC;
+ stat->td->td_token =
+ isread ? UHCI_TD_OUT(0, endpt, addr, 1) :
+ UHCI_TD_IN (0, endpt, addr, 1);
+ stat->td->td_buffer = 0;
+
+#ifdef USB_DEBUG
+ if (uhcidebug > 20) {
+ printf("uhci_device_request: setup\n");
+ uhci_dump_td(setup);
+ printf("uhci_device_request: stat\n");
+ uhci_dump_td(stat);
+ }
+#endif
+
+ /* Set up interrupt info. */
+ ii->reqh = reqh;
+ ii->stdstart = setup;
+ ii->stdend = stat;
+#ifdef DIAGNOSTIC
+ ii->isdone = 0;
+#endif
+
+ sqh->qh->elink = setup;
+ sqh->qh->qh_elink = setup->physaddr;
+ sqh->intr_info = ii;
+
+ s = splusb();
+ uhci_add_ctrl(sc, sqh);
+ LIST_INSERT_HEAD(&sc->sc_intrhead, ii, list);
+#ifdef USB_DEBUG
+ if (uhcidebug > 12) {
+ uhci_soft_td_t *std;
+ uhci_soft_qh_t *xqh;
+ uhci_soft_qh_t *sxqh;
+ int maxqh = 0;
+ uhci_physaddr_t link;
+ printf("uhci_enter_ctl_q: follow from [0]\n");
+ for (std = sc->sc_vframes[0].htd, link = 0;
+ (link & UHCI_PTR_Q) == 0;
+ std = std->td->link.std) {
+ link = std->td->td_link;
+ uhci_dump_td(std);
+ }
+ for (sxqh = xqh = (uhci_soft_qh_t *)std;
+ xqh;
+ /* FIXME NWH seems to be a circular list ??
+ * checking for beginning of list end of list
+ * and printing a maximum of 5 QH's ...
+ xqh = xqh->qh->hlink)
+ */
+ xqh = (maxqh++ == 5 || xqh->qh->hlink==sxqh || xqh->qh->hlink==xqh? NULL : xqh->qh->hlink)) {
+ uhci_dump_qh(xqh);
+ uhci_dump_qh(sxqh);
+ }
+ printf("Enqueued QH:\n");
+ uhci_dump_qh(sqh);
+ uhci_dump_tds(sqh->qh->elink);
+ }
+#endif
+ if (reqh->timeout && !sc->sc_bus.use_polling)
+#if defined(__NetBSD__)
+ timeout(uhci_timeout, ii, MS_TO_TICKS(reqh->timeout));
+#elif defined(__FreeBSD__)
+ /* To avoid race conditions we first initialise the struct
+ * before we use it. The timeout may happen between the setting
+ * of the timeout and the setting of callout_handle
+ */
+ callout_handle_init(&ii->callout_handler);
+ ii->callout_handler = timeout(uhci_timeout, ii, MS_TO_TICKS(reqh->timeout));
+#endif
+ splx(s);
+
+ return (USBD_NORMAL_COMPLETION);
+
+ ret2:
+ if (len != 0)
+ usb_freemem(sc->sc_dmatag, dmap);
+ ret1:
+ return (r);
+}
+
+void
+uhci_intr_done(ii)
+ uhci_intr_info_t *ii;
+{
+ uhci_softc_t *sc = ii->sc;
+ usbd_request_handle reqh = ii->reqh;
+ struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe;
+ usb_dma_t *dma;
+ uhci_soft_qh_t *sqh;
+ int i, npoll;
+
+ DPRINTFN(5, ("uhci_intr_done: length=%d\n", reqh->actlen));
+
+ dma = &upipe->u.intr.datadma;
+ memcpy(reqh->buffer, KERNADDR(dma), reqh->actlen);
+ npoll = upipe->u.intr.npoll;
+ for(i = 0; i < npoll; i++) {
+ sqh = upipe->u.intr.qhs[i];
+ sqh->qh->elink = 0;
+ sqh->qh->qh_elink = UHCI_PTR_T;
+ }
+ uhci_free_std_chain(sc, ii->stdstart, 0);
+
+ /* XXX Wasteful. */
+ if (reqh->pipe->intrreqh == reqh) {
+ uhci_soft_td_t *xfer, *xferend;
+
+ /* This alloc cannot fail since we freed the chain above. */
+ uhci_alloc_std_chain(upipe, sc, reqh->length, 1, dma,
+ &xfer, &xferend);
+ xferend->td->td_status |= UHCI_TD_IOC;
+
+#ifdef USB_DEBUG
+ if (uhcidebug > 10) {
+ printf("uhci_device_intr_done: xfer(1)\n");
+ uhci_dump_tds(xfer);
+ uhci_dump_qh(upipe->u.intr.qhs[0]);
+ }
+#endif
+
+ ii->stdstart = xfer;
+ ii->stdend = xferend;
+#ifdef DIAGNOSTIC
+ ii->isdone = 0;
+#endif
+ for (i = 0; i < npoll; i++) {
+ sqh = upipe->u.intr.qhs[i];
+ sqh->qh->elink = xfer;
+ sqh->qh->qh_elink = xfer->physaddr;
+ }
+ } else {
+ usb_freemem(sc->sc_dmatag, dma);
+ ii->stdstart = 0; /* mark as inactive */
+ }
+}
+
+/* Deallocate request data structures */
+void
+uhci_ctrl_done(ii)
+ uhci_intr_info_t *ii;
+{
+ uhci_softc_t *sc = ii->sc;
+ usbd_request_handle reqh = ii->reqh;
+ struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe;
+ u_int len = upipe->u.ctl.length;
+ usb_dma_t *dma;
+ uhci_td_t *htd = ii->stdstart->td;
+
+#ifdef DIAGNOSTIC
+ if (!reqh->isreq)
+ panic("uhci_ctrl_done: not a request\n");
+#endif
+
+ LIST_REMOVE(ii, list); /* remove from active list */
+
+ uhci_remove_ctrl(sc, upipe->u.ctl.sqh);
+
+ if (len != 0) {
+ dma = &upipe->u.ctl.datadma;
+ if (reqh->request.bmRequestType & UT_READ)
+ memcpy(reqh->buffer, KERNADDR(dma), len);
+ uhci_free_std_chain(sc, htd->link.std, ii->stdend);
+ usb_freemem(sc->sc_dmatag, dma);
+ }
+ DPRINTFN(5, ("uhci_ctrl_done: length=%d\n", reqh->actlen));
+}
+
+/* Deallocate request data structures */
+void
+uhci_bulk_done(ii)
+ uhci_intr_info_t *ii;
+{
+ uhci_softc_t *sc = ii->sc;
+ usbd_request_handle reqh = ii->reqh;
+ struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe;
+ u_int len = upipe->u.bulk.length;
+ usb_dma_t *dma;
+ uhci_td_t *htd = ii->stdstart->td;
+
+ LIST_REMOVE(ii, list); /* remove from active list */
+
+ uhci_remove_bulk(sc, upipe->u.bulk.sqh);
+
+ if (len != 0) {
+ dma = &upipe->u.bulk.datadma;
+ if (upipe->u.bulk.isread && len != 0)
+ memcpy(reqh->buffer, KERNADDR(dma), len);
+ uhci_free_std_chain(sc, htd->link.std, 0);
+ usb_freemem(sc->sc_dmatag, dma);
+ }
+ DPRINTFN(4, ("uhci_bulk_done: length=%d\n", reqh->actlen));
+ /* XXX compute new toggle */
+}
+
+/* Add interrupt QH, called with vflock. */
+void
+uhci_add_intr(sc, n, sqh)
+ uhci_softc_t *sc;
+ int n;
+ uhci_soft_qh_t *sqh;
+{
+ struct uhci_vframe *vf = &sc->sc_vframes[n];
+ uhci_qh_t *eqh;
+
+ DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", n, sqh));
+ eqh = vf->eqh->qh;
+ sqh->qh->hlink = eqh->hlink;
+ sqh->qh->qh_hlink = eqh->qh_hlink;
+ eqh->hlink = sqh;
+ eqh->qh_hlink = sqh->physaddr | UHCI_PTR_Q;
+ vf->eqh = sqh;
+ vf->bandwidth++;
+}
+
+/* Remove interrupt QH, called with vflock. */
+void
+uhci_remove_intr(sc, n, sqh)
+ uhci_softc_t *sc;
+ int n;
+ uhci_soft_qh_t *sqh;
+{
+ struct uhci_vframe *vf = &sc->sc_vframes[n];
+ uhci_soft_qh_t *pqh;
+
+ DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", n, sqh));
+
+ for (pqh = vf->hqh; pqh->qh->hlink != sqh; pqh = pqh->qh->hlink)
+#if defined(DIAGNOSTIC) || defined(USB_DEBUG)
+ if (pqh->qh->qh_hlink & UHCI_PTR_T) {
+ printf("uhci_remove_intr: QH not found\n");
+ return;
+ }
+#else
+ ;
+#endif
+ pqh->qh->hlink = sqh->qh->hlink;
+ pqh->qh->qh_hlink = sqh->qh->qh_hlink;
+ if (vf->eqh == sqh)
+ vf->eqh = pqh;
+ vf->bandwidth--;
+}
+
+usbd_status
+uhci_device_setintr(sc, upipe, ival)
+ uhci_softc_t *sc;
+ struct uhci_pipe *upipe;
+ int ival;
+{
+ uhci_soft_qh_t *sqh;
+ int i, npoll, s;
+ u_int bestbw, bw, bestoffs, offs;
+
+ DPRINTFN(2, ("uhci_setintr: pipe=%p\n", upipe));
+ if (ival == 0) {
+ printf("uhci_setintr: 0 interval\n");
+ return (USBD_INVAL);
+ }
+
+ if (ival > UHCI_VFRAMELIST_COUNT)
+ ival = UHCI_VFRAMELIST_COUNT;
+ npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival;
+ DPRINTFN(2, ("uhci_setintr: ival=%d npoll=%d\n", ival, npoll));
+
+ upipe->u.intr.npoll = npoll;
+ upipe->u.intr.qhs =
+ malloc(npoll * sizeof(uhci_soft_qh_t *), M_USB, M_WAITOK);
+
+ /*
+ * Figure out which offset in the schedule that has most
+ * bandwidth left over.
+ */
+#define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1))
+ for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) {
+ for (bw = i = 0; i < npoll; i++)
+ bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth;
+ if (bw < bestbw) {
+ bestbw = bw;
+ bestoffs = offs;
+ }
+ }
+ DPRINTFN(1, ("uhci_setintr: bw=%d offs=%d\n", bestbw, bestoffs));
+
+ upipe->iinfo->stdstart = 0;
+ for(i = 0; i < npoll; i++) {
+ upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc);
+ sqh->qh->elink = 0;
+ sqh->qh->qh_elink = UHCI_PTR_T;
+ sqh->pos = MOD(i * ival + bestoffs);
+ sqh->intr_info = upipe->iinfo;
+ }
+#undef MOD
+
+ s = splusb();
+ LIST_INSERT_HEAD(&sc->sc_intrhead, upipe->iinfo, list);
+ splx(s);
+
+ uhci_lock_frames(sc);
+ /* Enter QHs into the controller data structures. */
+ for(i = 0; i < npoll; i++)
+ uhci_add_intr(sc, upipe->u.intr.qhs[i]->pos,
+ upipe->u.intr.qhs[i]);
+ uhci_unlock_frames(sc);
+
+ DPRINTFN(5, ("uhci_setintr: returns %p\n", upipe));
+ return (USBD_NORMAL_COMPLETION);
+}
+
+/* Open a new pipe. */
+usbd_status
+uhci_open(pipe)
+ usbd_pipe_handle pipe;
+{
+ uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus;
+ struct uhci_pipe *upipe = (struct uhci_pipe *)pipe;
+ usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc;
+ usbd_status r;
+
+ DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n",
+ pipe, pipe->device->address,
+ ed->bEndpointAddress, sc->sc_addr));
+ if (pipe->device->address == sc->sc_addr) {
+ switch (ed->bEndpointAddress) {
+ case USB_CONTROL_ENDPOINT:
+ pipe->methods = &uhci_root_ctrl_methods;
+ break;
+ case UE_IN | UHCI_INTR_ENDPT:
+ pipe->methods = &uhci_root_intr_methods;
+ break;
+ default:
+ return (USBD_INVAL);
+ }
+ } else {
+ upipe->iinfo = uhci_alloc_intr_info(sc);
+ if (upipe->iinfo == 0)
+ return (USBD_NOMEM);
+ switch (ed->bmAttributes & UE_XFERTYPE) {
+ case UE_CONTROL:
+ pipe->methods = &uhci_device_ctrl_methods;
+ upipe->u.ctl.sqh = uhci_alloc_sqh(sc);
+ if (upipe->u.ctl.sqh == 0)
+ goto bad;
+ upipe->u.ctl.setup = uhci_alloc_std(sc);
+ if (upipe->u.ctl.setup == 0) {
+ uhci_free_sqh(sc, upipe->u.ctl.sqh);
+ goto bad;
+ }
+ upipe->u.ctl.stat = uhci_alloc_std(sc);
+ if (upipe->u.ctl.stat == 0) {
+ uhci_free_sqh(sc, upipe->u.ctl.sqh);
+ uhci_free_std(sc, upipe->u.ctl.setup);
+ goto bad;
+ }
+ r = usb_allocmem(sc->sc_dmatag,
+ sizeof(usb_device_request_t),
+ 0, &upipe->u.ctl.reqdma);
+ if (r != USBD_NORMAL_COMPLETION) {
+ uhci_free_sqh(sc, upipe->u.ctl.sqh);
+ uhci_free_std(sc, upipe->u.ctl.setup);
+ uhci_free_std(sc, upipe->u.ctl.stat);
+ goto bad;
+ }
+ break;
+ case UE_INTERRUPT:
+ pipe->methods = &uhci_device_intr_methods;
+ return (uhci_device_setintr(sc, upipe, ed->bInterval));
+ case UE_ISOCHRONOUS:
+ printf("uhci_open: iso not implemented\n");
+ return (USBD_XXX);
+ case UE_BULK:
+ pipe->methods = &uhci_device_bulk_methods;
+ upipe->u.bulk.sqh = uhci_alloc_sqh(sc);
+ if (upipe->u.bulk.sqh == 0)
+ goto bad;
+ break;
+ }
+ }
+ return (USBD_NORMAL_COMPLETION);
+
+ bad:
+ uhci_free_intr_info(upipe->iinfo);
+ return (USBD_NOMEM);
+}
+
+/*
+ * Data structures and routines to emulate the root hub.
+ */
+usb_device_descriptor_t uhci_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 uhci_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 uhci_ifcd = {
+ USB_INTERFACE_DESCRIPTOR_SIZE,
+ UDESC_INTERFACE,
+ 0,
+ 0,
+ 1,
+ UCLASS_HUB,
+ USUBCLASS_HUB,
+ 0,
+ 0
+};
+
+usb_endpoint_descriptor_t uhci_endpd = {
+ USB_ENDPOINT_DESCRIPTOR_SIZE,
+ UDESC_ENDPOINT,
+ UE_IN | UHCI_INTR_ENDPT,
+ UE_INTERRUPT,
+ {8},
+ 255
+};
+
+usb_hub_descriptor_t uhci_hubd_piix = {
+ USB_HUB_DESCRIPTOR_SIZE,
+ UDESC_HUB,
+ 2,
+ { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 },
+ 50, /* power on to power good */
+ 0,
+ { 0x00 }, /* both ports are removable */
+ { 0x00 }, /* no ports can power down individually */
+};
+
+int
+uhci_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
+uhci_root_ctrl_transfer(reqh)
+ usbd_request_handle reqh;
+{
+ uhci_softc_t *sc = (uhci_softc_t *)reqh->pipe->device->bus;
+ usb_device_request_t *req;
+ void *buf;
+ int port, x;
+ int len, value, index, status, change, l, totlen = 0;
+ usb_port_status_t ps;
+ usbd_status r;
+
+ if (!reqh->isreq)
+ panic("uhci_root_ctrl_transfer: not a request\n");
+ req = &reqh->request;
+ buf = reqh->buffer;
+
+ DPRINTFN(2,("uhci_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_STALL 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(2,("uhci_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, &uhci_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, &uhci_confd, l);
+ buf = (char *)buf + l;
+ len -= l;
+ l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE);
+ totlen += l;
+ memcpy(buf, &uhci_ifcd, l);
+ buf = (char *)buf + l;
+ len -= l;
+ l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE);
+ totlen += l;
+ memcpy(buf, &uhci_endpd, l);
+ break;
+ case UDESC_STRING:
+ if (len == 0)
+ break;
+ *(u_int8_t *)buf = 0;
+ totlen = 1;
+ switch (value & 0xff) {
+ case 1: /* Vendor */
+ totlen = uhci_str(buf, len, sc->sc_vendor);
+ break;
+ case 2: /* Product */
+ totlen = uhci_str(buf, len, "UHCI 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(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE port=%d feature=%d\n",
+ index, value));
+ if (index == 1)
+ port = UHCI_PORTSC1;
+ else if (index == 2)
+ port = UHCI_PORTSC2;
+ else {
+ r = USBD_IOERROR;
+ goto ret;
+ }
+ switch(value) {
+ case UHF_PORT_ENABLE:
+ x = UREAD2(sc, port);
+ UWRITE2(sc, port, x & ~UHCI_PORTSC_PE);
+ break;
+ case UHF_PORT_SUSPEND:
+ x = UREAD2(sc, port);
+ UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP);
+ break;
+ case UHF_PORT_RESET:
+ x = UREAD2(sc, port);
+ UWRITE2(sc, port, x & ~UHCI_PORTSC_PR);
+ break;
+ case UHF_C_PORT_CONNECTION:
+ x = UREAD2(sc, port);
+ UWRITE2(sc, port, x | UHCI_PORTSC_CSC);
+ break;
+ case UHF_C_PORT_ENABLE:
+ x = UREAD2(sc, port);
+ UWRITE2(sc, port, x | UHCI_PORTSC_POEDC);
+ break;
+ case UHF_C_PORT_OVER_CURRENT:
+ x = UREAD2(sc, port);
+ UWRITE2(sc, port, x | UHCI_PORTSC_OCIC);
+ break;
+ case UHF_C_PORT_RESET:
+ sc->sc_isreset = 0;
+ r = USBD_NORMAL_COMPLETION;
+ goto ret;
+ case UHF_PORT_CONNECTION:
+ case UHF_PORT_OVER_CURRENT:
+ case UHF_PORT_POWER:
+ case UHF_PORT_LOW_SPEED:
+ case UHF_C_PORT_SUSPEND:
+ default:
+ r = USBD_IOERROR;
+ goto ret;
+ }
+ break;
+ case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER):
+ if (index == 1)
+ port = UHCI_PORTSC1;
+ else if (index == 2)
+ port = UHCI_PORTSC2;
+ else {
+ r = USBD_IOERROR;
+ goto ret;
+ }
+ if (len > 0) {
+ *(u_int8_t *)buf =
+ (UREAD2(sc, port) & UHCI_PORTSC_LS) >>
+ UHCI_PORTSC_LS_SHIFT;
+ totlen = 1;
+ }
+ break;
+ case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE):
+ if (value != 0) {
+ r = USBD_IOERROR;
+ goto ret;
+ }
+ l = min(len, USB_HUB_DESCRIPTOR_SIZE);
+ totlen = l;
+ memcpy(buf, &uhci_hubd_piix, l);
+ break;
+ case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE):
+ if (len != 4) {
+ r = USBD_IOERROR;
+ goto ret;
+ }
+ memset(buf, 0, len);
+ totlen = len;
+ break;
+ case C(UR_GET_STATUS, UT_READ_CLASS_OTHER):
+ if (index == 1)
+ port = UHCI_PORTSC1;
+ else if (index == 2)
+ port = UHCI_PORTSC2;
+ else {
+ r = USBD_IOERROR;
+ goto ret;
+ }
+ if (len != 4) {
+ r = USBD_IOERROR;
+ goto ret;
+ }
+ x = UREAD2(sc, port);
+ status = change = 0;
+ if (x & UHCI_PORTSC_CCS )
+ status |= UPS_CURRENT_CONNECT_STATUS;
+ if (x & UHCI_PORTSC_CSC )
+ change |= UPS_C_CONNECT_STATUS;
+ if (x & UHCI_PORTSC_PE )
+ status |= UPS_PORT_ENABLED;
+ if (x & UHCI_PORTSC_POEDC)
+ change |= UPS_C_PORT_ENABLED;
+ if (x & UHCI_PORTSC_OCI )
+ status |= UPS_OVERCURRENT_INDICATOR;
+ if (x & UHCI_PORTSC_OCIC )
+ change |= UPS_C_OVERCURRENT_INDICATOR;
+ if (x & UHCI_PORTSC_SUSP )
+ status |= UPS_SUSPEND;
+ if (x & UHCI_PORTSC_LSDA )
+ status |= UPS_LOW_SPEED;
+ status |= UPS_PORT_POWER;
+ if (sc->sc_isreset)
+ change |= UPS_C_PORT_RESET;
+ USETW(ps.wPortStatus, status);
+ USETW(ps.wPortChange, change);
+ 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)
+ port = UHCI_PORTSC1;
+ else if (index == 2)
+ port = UHCI_PORTSC2;
+ else {
+ r = USBD_IOERROR;
+ goto ret;
+ }
+ switch(value) {
+ case UHF_PORT_ENABLE:
+ x = UREAD2(sc, port);
+ UWRITE2(sc, port, x | UHCI_PORTSC_PE);
+ break;
+ case UHF_PORT_SUSPEND:
+ x = UREAD2(sc, port);
+ UWRITE2(sc, port, x | UHCI_PORTSC_SUSP);
+ break;
+ case UHF_PORT_RESET:
+ x = UREAD2(sc, port);
+ UWRITE2(sc, port, x | UHCI_PORTSC_PR);
+ usbd_delay_ms(&sc->sc_bus, 10);
+ UWRITE2(sc, port, x & ~UHCI_PORTSC_PR);
+ delay(100);
+ x = UREAD2(sc, port);
+ UWRITE2(sc, port, x | UHCI_PORTSC_PE);
+ delay(100);
+ DPRINTFN(3,("uhci port %d reset, status = 0x%04x\n",
+ index, UREAD2(sc, port)));
+ sc->sc_isreset = 1;
+ break;
+ case UHF_C_PORT_CONNECTION:
+ case UHF_C_PORT_ENABLE:
+ case UHF_C_PORT_OVER_CURRENT:
+ case UHF_PORT_CONNECTION:
+ case UHF_PORT_OVER_CURRENT:
+ case UHF_PORT_POWER:
+ case UHF_PORT_LOW_SPEED:
+ case UHF_C_PORT_SUSPEND:
+ case UHF_C_PORT_RESET:
+ 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);
+ return (USBD_IN_PROGRESS);
+}
+
+/* Abort a root control request. */
+void
+uhci_root_ctrl_abort(reqh)
+ usbd_request_handle reqh;
+{
+ /* Nothing to do, all transfers are syncronous. */
+}
+
+/* Close the root pipe. */
+void
+uhci_root_ctrl_close(pipe)
+ usbd_pipe_handle pipe;
+{
+#if defined(__NetBSD__)
+ untimeout(uhci_timo, pipe->intrreqh);
+#elif defined(__FreeBSD__)
+ untimeout(uhci_timo, pipe->intrreqh, pipe->intrreqh->callout_handler);
+#endif
+ DPRINTF(("uhci_root_ctrl_close\n"));
+}
+
+/* Abort a root interrupt request. */
+void
+uhci_root_intr_abort(reqh)
+ usbd_request_handle reqh;
+{
+#if defined(__NetBSD__)
+ untimeout(uhci_timo, reqh);
+#elif defined(__FreeBSD__)
+ untimeout(uhci_timo, reqh, reqh->callout_handler);
+#endif
+}
+
+/* Start a transfer on the root interrupt pipe */
+usbd_status
+uhci_root_intr_transfer(reqh)
+ usbd_request_handle reqh;
+{
+ usbd_pipe_handle pipe = reqh->pipe;
+ uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus;
+ struct uhci_pipe *upipe = (struct uhci_pipe *)pipe;
+ usb_dma_t *dmap;
+ usbd_status r;
+ int len;
+
+ DPRINTFN(3, ("uhci_root_intr_transfer: reqh=%p buf=%p len=%d flags=%d\n",
+ reqh, reqh->buffer, reqh->length, reqh->flags));
+
+ 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_ival = MS_TO_TICKS(reqh->pipe->endpoint->edesc->bInterval);
+#if defined(__NetBSD__)
+ timeout(uhci_timo, reqh, sc->sc_ival);
+#elif defined(__FreeBSD__)
+ /* To avoid race conditions we first initialise the struct
+ * before we use it. The timeout happen between the setting
+ * of the timeout and the setting of callout_handle
+ */
+ callout_handle_init(&reqh->callout_handler);
+ reqh->callout_handler = timeout(uhci_timo, reqh, sc->sc_ival);
+#endif
+ return (USBD_IN_PROGRESS);
+}
+
+/* Close the root interrupt pipe. */
+void
+uhci_root_intr_close(pipe)
+ usbd_pipe_handle pipe;
+{
+#if defined(__NetBSD__)
+ untimeout(uhci_timo, pipe->intrreqh);
+#elif defined(__FreeBSD__)
+ untimeout(uhci_timo, pipe->intrreqh, pipe->intrreqh->callout_handler);
+#endif
+ DPRINTF(("uhci_root_intr_close\n"));
+}
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