3764 lines
95 KiB
C
3764 lines
95 KiB
C
/* $NetBSD: uhci.c,v 1.170 2003/02/19 01:35:04 augustss Exp $ */
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/* Also already incorporated from NetBSD:
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* $NetBSD: uhci.c,v 1.172 2003/02/23 04:19:26 simonb Exp $
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* $NetBSD: uhci.c,v 1.173 2003/05/13 04:41:59 gson Exp $
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* $NetBSD: uhci.c,v 1.175 2003/09/12 16:18:08 mycroft Exp $
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* $NetBSD: uhci.c,v 1.176 2003/11/04 19:11:21 mycroft Exp $
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* $NetBSD: uhci.c,v 1.177 2003/12/29 08:17:10 toshii Exp $
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* $NetBSD: uhci.c,v 1.178 2004/03/02 16:32:05 martin Exp $
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* $NetBSD: uhci.c,v 1.180 2004/07/17 20:12:03 mycroft Exp $
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (lennart@augustsson.net) at
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* Carlstedt Research & Technology.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* USB Universal Host Controller driver.
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* Handles e.g. PIIX3 and PIIX4.
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*
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* UHCI spec: http://developer.intel.com/design/USB/UHCI11D.htm
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* USB spec: http://www.usb.org/developers/docs/usbspec.zip
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* PIIXn spec: ftp://download.intel.com/design/intarch/datashts/29055002.pdf
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* ftp://download.intel.com/design/intarch/datashts/29056201.pdf
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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#include <sys/device.h>
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#include <sys/select.h>
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#elif defined(__FreeBSD__)
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#include <sys/endian.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#if defined(DIAGNOSTIC) && defined(__i386__)
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#include <machine/cpu.h>
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#endif
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#endif
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#include <sys/proc.h>
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#include <sys/queue.h>
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#include <sys/sysctl.h>
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#include <machine/bus.h>
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#include <machine/endian.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdivar.h>
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#include <dev/usb/usb_mem.h>
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#include <dev/usb/usb_quirks.h>
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#include <dev/usb/uhcireg.h>
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#include <dev/usb/uhcivar.h>
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/* Use bandwidth reclamation for control transfers. Some devices choke on it. */
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/*#define UHCI_CTL_LOOP */
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#if defined(__FreeBSD__)
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#define delay(d) DELAY(d)
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#endif
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#define MS_TO_TICKS(ms) ((ms) * hz / 1000)
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#if defined(__OpenBSD__)
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struct cfdriver uhci_cd = {
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NULL, "uhci", DV_DULL
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};
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#endif
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#ifdef USB_DEBUG
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uhci_softc_t *thesc;
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#define DPRINTF(x) if (uhcidebug) printf x
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#define DPRINTFN(n,x) if (uhcidebug>(n)) printf x
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int uhcidebug = 0;
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int uhcinoloop = 0;
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SYSCTL_NODE(_hw_usb, OID_AUTO, uhci, CTLFLAG_RW, 0, "USB uhci");
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SYSCTL_INT(_hw_usb_uhci, OID_AUTO, debug, CTLFLAG_RW,
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&uhcidebug, 0, "uhci debug level");
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SYSCTL_INT(_hw_usb_uhci, OID_AUTO, loop, CTLFLAG_RW,
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&uhcinoloop, 0, "uhci noloop");
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#ifndef __NetBSD__
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#define bitmask_snprintf(q,f,b,l) snprintf((b), (l), "%b", (q), (f))
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#endif
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#else
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#define DPRINTF(x)
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#define DPRINTFN(n,x)
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#endif
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/*
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* The UHCI controller is little endian, so on big endian machines
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* the data strored in memory needs to be swapped.
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*/
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#if defined(__OpenBSD__)
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#if BYTE_ORDER == BIG_ENDIAN
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#define htole32(x) (bswap32(x))
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#define le32toh(x) (bswap32(x))
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#else
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#define htole32(x) (x)
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#define le32toh(x) (x)
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#endif
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#endif
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struct uhci_pipe {
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struct usbd_pipe pipe;
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int nexttoggle;
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u_char aborting;
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usbd_xfer_handle abortstart, abortend;
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/* Info needed for different pipe kinds. */
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union {
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/* Control pipe */
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struct {
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uhci_soft_qh_t *sqh;
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usb_dma_t reqdma;
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uhci_soft_td_t *setup, *stat;
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u_int length;
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} ctl;
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/* Interrupt pipe */
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struct {
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int npoll;
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int isread;
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uhci_soft_qh_t **qhs;
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} intr;
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/* Bulk pipe */
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struct {
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uhci_soft_qh_t *sqh;
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u_int length;
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int isread;
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} bulk;
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/* Iso pipe */
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struct iso {
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uhci_soft_td_t **stds;
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int next, inuse;
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} iso;
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} u;
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};
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static void uhci_globalreset(uhci_softc_t *);
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static usbd_status uhci_portreset(uhci_softc_t*, int);
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static void uhci_reset(uhci_softc_t *);
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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static void uhci_shutdown(void *v);
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static void uhci_power(int, void *);
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#endif
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static usbd_status uhci_run(uhci_softc_t *, int run);
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static uhci_soft_td_t *uhci_alloc_std(uhci_softc_t *);
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static void uhci_free_std(uhci_softc_t *, uhci_soft_td_t *);
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static uhci_soft_qh_t *uhci_alloc_sqh(uhci_softc_t *);
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static void uhci_free_sqh(uhci_softc_t *, uhci_soft_qh_t *);
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static usbd_status uhci_aux_dma_alloc(uhci_softc_t *, uhci_soft_td_t *,
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void *data, int len);
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static uhci_physaddr_t uhci_aux_dma_prepare(uhci_soft_td_t *, int);
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static void uhci_aux_dma_complete(uhci_soft_td_t *, int);
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#if 0
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static void uhci_enter_ctl_q(uhci_softc_t *, uhci_soft_qh_t *,
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uhci_intr_info_t *);
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static void uhci_exit_ctl_q(uhci_softc_t *, uhci_soft_qh_t *);
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#endif
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static void uhci_free_std_chain(uhci_softc_t *,
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uhci_soft_td_t *, uhci_soft_td_t *);
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static usbd_status uhci_alloc_std_chain(struct uhci_pipe *,
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uhci_softc_t *, int, int, u_int16_t,
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usbd_xfer_handle xfer,
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uhci_soft_td_t **, uhci_soft_td_t **);
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static void uhci_poll_hub(void *);
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static void uhci_waitintr(uhci_softc_t *, usbd_xfer_handle);
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static void uhci_check_intr(uhci_softc_t *, uhci_intr_info_t *);
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static void uhci_idone(uhci_intr_info_t *);
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static void uhci_abort_xfer(usbd_xfer_handle, usbd_status status);
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static void uhci_transfer_complete(usbd_xfer_handle xfer);
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static void uhci_timeout(void *);
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static void uhci_timeout_task(void *);
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static void uhci_add_ls_ctrl(uhci_softc_t *, uhci_soft_qh_t *);
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static void uhci_add_hs_ctrl(uhci_softc_t *, uhci_soft_qh_t *);
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static void uhci_add_bulk(uhci_softc_t *, uhci_soft_qh_t *);
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static void uhci_remove_ls_ctrl(uhci_softc_t *,uhci_soft_qh_t *);
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static void uhci_remove_hs_ctrl(uhci_softc_t *,uhci_soft_qh_t *);
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static void uhci_remove_bulk(uhci_softc_t *,uhci_soft_qh_t *);
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static int uhci_str(usb_string_descriptor_t *, int, char *);
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static void uhci_add_loop(uhci_softc_t *sc);
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static void uhci_rem_loop(uhci_softc_t *sc);
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static usbd_status uhci_setup_isoc(usbd_pipe_handle pipe);
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static void uhci_device_isoc_enter(usbd_xfer_handle);
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static usbd_status uhci_allocm(struct usbd_bus *, usb_dma_t *, u_int32_t);
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static void uhci_freem(struct usbd_bus *, usb_dma_t *);
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static usbd_xfer_handle uhci_allocx(struct usbd_bus *);
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static void uhci_freex(struct usbd_bus *, usbd_xfer_handle);
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static usbd_status uhci_device_ctrl_transfer(usbd_xfer_handle);
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static usbd_status uhci_device_ctrl_start(usbd_xfer_handle);
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static void uhci_device_ctrl_abort(usbd_xfer_handle);
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static void uhci_device_ctrl_close(usbd_pipe_handle);
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static void uhci_device_ctrl_done(usbd_xfer_handle);
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static usbd_status uhci_device_intr_transfer(usbd_xfer_handle);
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static usbd_status uhci_device_intr_start(usbd_xfer_handle);
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static void uhci_device_intr_abort(usbd_xfer_handle);
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static void uhci_device_intr_close(usbd_pipe_handle);
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static void uhci_device_intr_done(usbd_xfer_handle);
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static usbd_status uhci_device_bulk_transfer(usbd_xfer_handle);
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static usbd_status uhci_device_bulk_start(usbd_xfer_handle);
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static void uhci_device_bulk_abort(usbd_xfer_handle);
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static void uhci_device_bulk_close(usbd_pipe_handle);
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static void uhci_device_bulk_done(usbd_xfer_handle);
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static usbd_status uhci_device_isoc_transfer(usbd_xfer_handle);
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static usbd_status uhci_device_isoc_start(usbd_xfer_handle);
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static void uhci_device_isoc_abort(usbd_xfer_handle);
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static void uhci_device_isoc_close(usbd_pipe_handle);
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static void uhci_device_isoc_done(usbd_xfer_handle);
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static usbd_status uhci_root_ctrl_transfer(usbd_xfer_handle);
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static usbd_status uhci_root_ctrl_start(usbd_xfer_handle);
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static void uhci_root_ctrl_abort(usbd_xfer_handle);
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static void uhci_root_ctrl_close(usbd_pipe_handle);
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static void uhci_root_ctrl_done(usbd_xfer_handle);
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static usbd_status uhci_root_intr_transfer(usbd_xfer_handle);
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static usbd_status uhci_root_intr_start(usbd_xfer_handle);
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static void uhci_root_intr_abort(usbd_xfer_handle);
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static void uhci_root_intr_close(usbd_pipe_handle);
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static void uhci_root_intr_done(usbd_xfer_handle);
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static usbd_status uhci_open(usbd_pipe_handle);
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static void uhci_poll(struct usbd_bus *);
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static void uhci_softintr(void *);
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static usbd_status uhci_device_request(usbd_xfer_handle xfer);
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static void uhci_add_intr(uhci_softc_t *, uhci_soft_qh_t *);
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static void uhci_remove_intr(uhci_softc_t *, uhci_soft_qh_t *);
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static usbd_status uhci_device_setintr(uhci_softc_t *sc,
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struct uhci_pipe *pipe, int ival);
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static void uhci_device_clear_toggle(usbd_pipe_handle pipe);
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static void uhci_noop(usbd_pipe_handle pipe);
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static __inline uhci_soft_qh_t *uhci_find_prev_qh(uhci_soft_qh_t *,
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uhci_soft_qh_t *);
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#ifdef USB_DEBUG
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static void uhci_dump_all(uhci_softc_t *);
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static void uhci_dumpregs(uhci_softc_t *);
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static void uhci_dump_qhs(uhci_soft_qh_t *);
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static void uhci_dump_qh(uhci_soft_qh_t *);
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static void uhci_dump_tds(uhci_soft_td_t *);
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static void uhci_dump_td(uhci_soft_td_t *);
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static void uhci_dump_ii(uhci_intr_info_t *ii);
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void uhci_dump(void);
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#endif
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#define UBARR(sc) bus_space_barrier((sc)->iot, (sc)->ioh, 0, (sc)->sc_size, \
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BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE)
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#define UWRITE1(sc, r, x) \
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do { UBARR(sc); bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x)); \
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} while (/*CONSTCOND*/0)
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#define UWRITE2(sc, r, x) \
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do { UBARR(sc); bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x)); \
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} while (/*CONSTCOND*/0)
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#define UWRITE4(sc, r, x) \
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do { UBARR(sc); bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x)); \
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} while (/*CONSTCOND*/0)
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#define UREAD1(sc, r) (UBARR(sc), bus_space_read_1((sc)->iot, (sc)->ioh, (r)))
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#define UREAD2(sc, r) (UBARR(sc), bus_space_read_2((sc)->iot, (sc)->ioh, (r)))
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#define UREAD4(sc, r) (UBARR(sc), bus_space_read_4((sc)->iot, (sc)->ioh, (r)))
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#define UHCICMD(sc, cmd) UWRITE2(sc, UHCI_CMD, cmd)
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#define UHCISTS(sc) UREAD2(sc, UHCI_STS)
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#define UHCI_RESET_TIMEOUT 100 /* ms, reset timeout */
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#define UHCI_CURFRAME(sc) (UREAD2(sc, UHCI_FRNUM) & UHCI_FRNUM_MASK)
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#define UHCI_INTR_ENDPT 1
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struct usbd_bus_methods uhci_bus_methods = {
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uhci_open,
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uhci_softintr,
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uhci_poll,
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uhci_allocm,
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uhci_freem,
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uhci_allocx,
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uhci_freex,
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};
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struct usbd_pipe_methods uhci_root_ctrl_methods = {
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uhci_root_ctrl_transfer,
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uhci_root_ctrl_start,
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uhci_root_ctrl_abort,
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uhci_root_ctrl_close,
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uhci_noop,
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uhci_root_ctrl_done,
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};
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struct usbd_pipe_methods uhci_root_intr_methods = {
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uhci_root_intr_transfer,
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uhci_root_intr_start,
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uhci_root_intr_abort,
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uhci_root_intr_close,
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uhci_noop,
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uhci_root_intr_done,
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};
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struct usbd_pipe_methods uhci_device_ctrl_methods = {
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uhci_device_ctrl_transfer,
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uhci_device_ctrl_start,
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uhci_device_ctrl_abort,
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uhci_device_ctrl_close,
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uhci_noop,
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uhci_device_ctrl_done,
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};
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struct usbd_pipe_methods uhci_device_intr_methods = {
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uhci_device_intr_transfer,
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uhci_device_intr_start,
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uhci_device_intr_abort,
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uhci_device_intr_close,
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uhci_device_clear_toggle,
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uhci_device_intr_done,
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};
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struct usbd_pipe_methods uhci_device_bulk_methods = {
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uhci_device_bulk_transfer,
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uhci_device_bulk_start,
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uhci_device_bulk_abort,
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uhci_device_bulk_close,
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uhci_device_clear_toggle,
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uhci_device_bulk_done,
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};
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struct usbd_pipe_methods uhci_device_isoc_methods = {
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uhci_device_isoc_transfer,
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uhci_device_isoc_start,
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uhci_device_isoc_abort,
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uhci_device_isoc_close,
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uhci_noop,
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uhci_device_isoc_done,
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};
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#define uhci_add_intr_info(sc, ii) \
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LIST_INSERT_HEAD(&(sc)->sc_intrhead, (ii), list)
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#define uhci_del_intr_info(ii) \
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do { \
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LIST_REMOVE((ii), list); \
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(ii)->list.le_prev = NULL; \
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} while (0)
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#define uhci_active_intr_info(ii) ((ii)->list.le_prev != NULL)
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static __inline uhci_soft_qh_t *
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uhci_find_prev_qh(uhci_soft_qh_t *pqh, uhci_soft_qh_t *sqh)
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{
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DPRINTFN(15,("uhci_find_prev_qh: pqh=%p sqh=%p\n", pqh, sqh));
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for (; pqh->hlink != sqh; pqh = pqh->hlink) {
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#if defined(DIAGNOSTIC) || defined(USB_DEBUG)
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if (le32toh(pqh->qh.qh_hlink) & UHCI_PTR_T) {
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printf("uhci_find_prev_qh: QH not found\n");
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return (NULL);
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}
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#endif
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}
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return (pqh);
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}
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void
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uhci_globalreset(uhci_softc_t *sc)
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{
|
|
UHCICMD(sc, UHCI_CMD_GRESET); /* global reset */
|
|
usb_delay_ms(&sc->sc_bus, USB_BUS_RESET_DELAY); /* wait a little */
|
|
UHCICMD(sc, 0); /* do nothing */
|
|
}
|
|
|
|
usbd_status
|
|
uhci_init(uhci_softc_t *sc)
|
|
{
|
|
usbd_status err;
|
|
int i, j;
|
|
uhci_soft_qh_t *clsqh, *chsqh, *bsqh, *sqh, *lsqh;
|
|
uhci_soft_td_t *std;
|
|
|
|
DPRINTFN(1,("uhci_init: start\n"));
|
|
|
|
#ifdef USB_DEBUG
|
|
thesc = sc;
|
|
|
|
if (uhcidebug > 2)
|
|
uhci_dumpregs(sc);
|
|
#endif
|
|
|
|
UWRITE2(sc, UHCI_INTR, 0); /* disable interrupts */
|
|
uhci_globalreset(sc); /* reset the controller */
|
|
uhci_reset(sc);
|
|
|
|
/* Allocate and initialize real frame array. */
|
|
err = usb_allocmem(&sc->sc_bus,
|
|
UHCI_FRAMELIST_COUNT * sizeof(uhci_physaddr_t),
|
|
UHCI_FRAMELIST_ALIGN, &sc->sc_dma);
|
|
if (err)
|
|
return (err);
|
|
sc->sc_pframes = KERNADDR(&sc->sc_dma, 0);
|
|
UWRITE2(sc, UHCI_FRNUM, 0); /* set frame number to 0 */
|
|
UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma, 0)); /* set frame list*/
|
|
|
|
/*
|
|
* Allocate a TD, inactive, that hangs from the last QH.
|
|
* This is to avoid a bug in the PIIX that makes it run berserk
|
|
* otherwise.
|
|
*/
|
|
std = uhci_alloc_std(sc);
|
|
if (std == NULL)
|
|
return (USBD_NOMEM);
|
|
std->link.std = NULL;
|
|
std->td.td_link = htole32(UHCI_PTR_T);
|
|
std->td.td_status = htole32(0); /* inactive */
|
|
std->td.td_token = htole32(0);
|
|
std->td.td_buffer = htole32(0);
|
|
|
|
/* Allocate the dummy QH marking the end and used for looping the QHs.*/
|
|
lsqh = uhci_alloc_sqh(sc);
|
|
if (lsqh == NULL)
|
|
return (USBD_NOMEM);
|
|
lsqh->hlink = NULL;
|
|
lsqh->qh.qh_hlink = htole32(UHCI_PTR_T); /* end of QH chain */
|
|
lsqh->elink = std;
|
|
lsqh->qh.qh_elink = htole32(std->physaddr | UHCI_PTR_TD);
|
|
sc->sc_last_qh = lsqh;
|
|
|
|
/* Allocate the dummy QH where bulk traffic will be queued. */
|
|
bsqh = uhci_alloc_sqh(sc);
|
|
if (bsqh == NULL)
|
|
return (USBD_NOMEM);
|
|
bsqh->hlink = lsqh;
|
|
bsqh->qh.qh_hlink = htole32(lsqh->physaddr | UHCI_PTR_QH);
|
|
bsqh->elink = NULL;
|
|
bsqh->qh.qh_elink = htole32(UHCI_PTR_T);
|
|
sc->sc_bulk_start = sc->sc_bulk_end = bsqh;
|
|
|
|
/* Allocate dummy QH where high speed control traffic will be queued. */
|
|
chsqh = uhci_alloc_sqh(sc);
|
|
if (chsqh == NULL)
|
|
return (USBD_NOMEM);
|
|
chsqh->hlink = bsqh;
|
|
chsqh->qh.qh_hlink = htole32(bsqh->physaddr | UHCI_PTR_QH);
|
|
chsqh->elink = NULL;
|
|
chsqh->qh.qh_elink = htole32(UHCI_PTR_T);
|
|
sc->sc_hctl_start = sc->sc_hctl_end = chsqh;
|
|
|
|
/* Allocate dummy QH where control traffic will be queued. */
|
|
clsqh = uhci_alloc_sqh(sc);
|
|
if (clsqh == NULL)
|
|
return (USBD_NOMEM);
|
|
clsqh->hlink = chsqh;
|
|
clsqh->qh.qh_hlink = htole32(chsqh->physaddr | UHCI_PTR_QH);
|
|
clsqh->elink = NULL;
|
|
clsqh->qh.qh_elink = htole32(UHCI_PTR_T);
|
|
sc->sc_lctl_start = sc->sc_lctl_end = clsqh;
|
|
|
|
/*
|
|
* 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 == NULL || sqh == NULL)
|
|
return (USBD_NOMEM);
|
|
std->link.sqh = sqh;
|
|
std->td.td_link = htole32(sqh->physaddr | UHCI_PTR_QH);
|
|
std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */
|
|
std->td.td_token = htole32(0);
|
|
std->td.td_buffer = htole32(0);
|
|
sqh->hlink = clsqh;
|
|
sqh->qh.qh_hlink = htole32(clsqh->physaddr | UHCI_PTR_QH);
|
|
sqh->elink = NULL;
|
|
sqh->qh.qh_elink = htole32(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] = htole32(std->physaddr);
|
|
}
|
|
|
|
LIST_INIT(&sc->sc_intrhead);
|
|
|
|
STAILQ_INIT(&sc->sc_free_xfers);
|
|
|
|
usb_callout_init(sc->sc_poll_handle);
|
|
|
|
/* Set up the bus struct. */
|
|
sc->sc_bus.methods = &uhci_bus_methods;
|
|
sc->sc_bus.pipe_size = sizeof(struct uhci_pipe);
|
|
|
|
#if defined(__NetBSD__) || defined(__OpenBSD__)
|
|
sc->sc_suspend = PWR_RESUME;
|
|
sc->sc_powerhook = powerhook_establish(uhci_power, sc);
|
|
sc->sc_shutdownhook = shutdownhook_establish(uhci_shutdown, sc);
|
|
#endif
|
|
|
|
DPRINTFN(1,("uhci_init: enabling\n"));
|
|
UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE |
|
|
UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* enable interrupts */
|
|
|
|
UHCICMD(sc, UHCI_CMD_MAXP); /* Assume 64 byte packets at frame end */
|
|
|
|
return (uhci_run(sc, 1)); /* and here we go... */
|
|
}
|
|
|
|
#if defined(__NetBSD__) || defined(__OpenBSD__)
|
|
int
|
|
uhci_activate(device_t self, enum devact act)
|
|
{
|
|
struct uhci_softc *sc = (struct uhci_softc *)self;
|
|
int rv = 0;
|
|
|
|
switch (act) {
|
|
case DVACT_ACTIVATE:
|
|
return (EOPNOTSUPP);
|
|
|
|
case DVACT_DEACTIVATE:
|
|
if (sc->sc_child != NULL)
|
|
rv = config_deactivate(sc->sc_child);
|
|
break;
|
|
}
|
|
return (rv);
|
|
}
|
|
#endif
|
|
|
|
int
|
|
uhci_detach(struct uhci_softc *sc, int flags)
|
|
{
|
|
usbd_xfer_handle xfer;
|
|
int rv = 0;
|
|
|
|
#if defined(__NetBSD__) || defined(__OpenBSD__)
|
|
if (sc->sc_child != NULL)
|
|
rv = config_detach(sc->sc_child, flags);
|
|
|
|
if (rv != 0)
|
|
return (rv);
|
|
#else
|
|
sc->sc_dying = 1;
|
|
#endif
|
|
|
|
UWRITE2(sc, UHCI_INTR, 0); /* disable interrupts */
|
|
uhci_run(sc, 0);
|
|
|
|
#if defined(__NetBSD__) || defined(__OpenBSD__)
|
|
powerhook_disestablish(sc->sc_powerhook);
|
|
shutdownhook_disestablish(sc->sc_shutdownhook);
|
|
#endif
|
|
|
|
/* Free all xfers associated with this HC. */
|
|
for (;;) {
|
|
xfer = STAILQ_FIRST(&sc->sc_free_xfers);
|
|
if (xfer == NULL)
|
|
break;
|
|
STAILQ_REMOVE_HEAD(&sc->sc_free_xfers, next);
|
|
free(xfer, M_USB);
|
|
}
|
|
|
|
/* XXX free other data structures XXX */
|
|
usb_freemem(&sc->sc_bus, &sc->sc_dma);
|
|
|
|
return (rv);
|
|
}
|
|
|
|
usbd_status
|
|
uhci_allocm(struct usbd_bus *bus, usb_dma_t *dma, u_int32_t size)
|
|
{
|
|
return (usb_allocmem(bus, size, 0, dma));
|
|
}
|
|
|
|
void
|
|
uhci_freem(struct usbd_bus *bus, usb_dma_t *dma)
|
|
{
|
|
usb_freemem(bus, dma);
|
|
}
|
|
|
|
usbd_xfer_handle
|
|
uhci_allocx(struct usbd_bus *bus)
|
|
{
|
|
struct uhci_softc *sc = (struct uhci_softc *)bus;
|
|
usbd_xfer_handle xfer;
|
|
|
|
xfer = STAILQ_FIRST(&sc->sc_free_xfers);
|
|
if (xfer != NULL) {
|
|
STAILQ_REMOVE_HEAD(&sc->sc_free_xfers, next);
|
|
#ifdef DIAGNOSTIC
|
|
if (xfer->busy_free != XFER_FREE) {
|
|
printf("uhci_allocx: xfer=%p not free, 0x%08x\n", xfer,
|
|
xfer->busy_free);
|
|
}
|
|
#endif
|
|
} else {
|
|
xfer = malloc(sizeof(struct uhci_xfer), M_USB, M_NOWAIT);
|
|
}
|
|
if (xfer != NULL) {
|
|
memset(xfer, 0, sizeof (struct uhci_xfer));
|
|
UXFER(xfer)->iinfo.sc = sc;
|
|
usb_init_task(&UXFER(xfer)->abort_task, uhci_timeout_task,
|
|
xfer);
|
|
UXFER(xfer)->uhci_xfer_flags = 0;
|
|
#ifdef DIAGNOSTIC
|
|
UXFER(xfer)->iinfo.isdone = 1;
|
|
xfer->busy_free = XFER_BUSY;
|
|
#endif
|
|
}
|
|
return (xfer);
|
|
}
|
|
|
|
void
|
|
uhci_freex(struct usbd_bus *bus, usbd_xfer_handle xfer)
|
|
{
|
|
struct uhci_softc *sc = (struct uhci_softc *)bus;
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (xfer->busy_free != XFER_BUSY) {
|
|
printf("uhci_freex: xfer=%p not busy, 0x%08x\n", xfer,
|
|
xfer->busy_free);
|
|
return;
|
|
}
|
|
xfer->busy_free = XFER_FREE;
|
|
if (!UXFER(xfer)->iinfo.isdone) {
|
|
printf("uhci_freex: !isdone\n");
|
|
return;
|
|
}
|
|
#endif
|
|
STAILQ_INSERT_HEAD(&sc->sc_free_xfers, xfer, next);
|
|
}
|
|
|
|
/*
|
|
* Shut down the controller when the system is going down.
|
|
*/
|
|
void
|
|
uhci_shutdown(void *v)
|
|
{
|
|
uhci_softc_t *sc = v;
|
|
|
|
DPRINTF(("uhci_shutdown: stopping the HC\n"));
|
|
uhci_run(sc, 0); /* stop the controller */
|
|
}
|
|
|
|
/*
|
|
* Handle suspend/resume.
|
|
*
|
|
* We need to switch to polling mode here, because this routine is
|
|
* called from an interrupt context. This is all right since we
|
|
* are almost suspended anyway.
|
|
*/
|
|
void
|
|
uhci_power(int why, void *v)
|
|
{
|
|
uhci_softc_t *sc = v;
|
|
int cmd;
|
|
int s;
|
|
|
|
s = splhardusb();
|
|
cmd = UREAD2(sc, UHCI_CMD);
|
|
|
|
DPRINTF(("uhci_power: sc=%p, why=%d (was %d), cmd=0x%x\n",
|
|
sc, why, sc->sc_suspend, cmd));
|
|
|
|
if (why != PWR_RESUME) {
|
|
#ifdef USB_DEBUG
|
|
if (uhcidebug > 2)
|
|
uhci_dumpregs(sc);
|
|
#endif
|
|
if (sc->sc_intr_xfer != NULL)
|
|
usb_uncallout(sc->sc_poll_handle, uhci_poll_hub,
|
|
sc->sc_intr_xfer);
|
|
sc->sc_bus.use_polling++;
|
|
uhci_run(sc, 0); /* stop the controller */
|
|
cmd &= ~UHCI_CMD_RS;
|
|
|
|
/* save some state if BIOS doesn't */
|
|
sc->sc_saved_frnum = UREAD2(sc, UHCI_FRNUM);
|
|
sc->sc_saved_sof = UREAD1(sc, UHCI_SOF);
|
|
|
|
UWRITE2(sc, UHCI_INTR, 0); /* disable intrs */
|
|
|
|
UHCICMD(sc, cmd | UHCI_CMD_EGSM); /* enter global suspend */
|
|
usb_delay_ms(&sc->sc_bus, USB_RESUME_WAIT);
|
|
sc->sc_suspend = why;
|
|
sc->sc_bus.use_polling--;
|
|
DPRINTF(("uhci_power: cmd=0x%x\n", UREAD2(sc, UHCI_CMD)));
|
|
} else {
|
|
#ifdef DIAGNOSTIC
|
|
if (sc->sc_suspend == PWR_RESUME)
|
|
printf("uhci_power: weird, resume without suspend.\n");
|
|
#endif
|
|
sc->sc_bus.use_polling++;
|
|
sc->sc_suspend = why;
|
|
UWRITE2(sc, UHCI_INTR, 0); /* disable interrupts */
|
|
uhci_globalreset(sc); /* reset the controller */
|
|
uhci_reset(sc);
|
|
if (cmd & UHCI_CMD_RS)
|
|
uhci_run(sc, 0); /* in case BIOS has started it */
|
|
|
|
uhci_globalreset(sc);
|
|
uhci_reset(sc);
|
|
|
|
/* restore saved state */
|
|
UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma, 0));
|
|
UWRITE2(sc, UHCI_FRNUM, sc->sc_saved_frnum);
|
|
UWRITE1(sc, UHCI_SOF, sc->sc_saved_sof);
|
|
|
|
UHCICMD(sc, cmd | UHCI_CMD_FGR); /* force global resume */
|
|
usb_delay_ms(&sc->sc_bus, USB_RESUME_DELAY);
|
|
UHCICMD(sc, cmd & ~UHCI_CMD_EGSM); /* back to normal */
|
|
UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE |
|
|
UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* re-enable intrs */
|
|
UHCICMD(sc, UHCI_CMD_MAXP);
|
|
uhci_run(sc, 1); /* and start traffic again */
|
|
usb_delay_ms(&sc->sc_bus, USB_RESUME_RECOVERY);
|
|
sc->sc_bus.use_polling--;
|
|
if (sc->sc_intr_xfer != NULL)
|
|
usb_callout(sc->sc_poll_handle, sc->sc_ival,
|
|
uhci_poll_hub, sc->sc_intr_xfer);
|
|
#ifdef USB_DEBUG
|
|
if (uhcidebug > 2)
|
|
uhci_dumpregs(sc);
|
|
#endif
|
|
}
|
|
splx(s);
|
|
}
|
|
|
|
#ifdef USB_DEBUG
|
|
static void
|
|
uhci_dumpregs(uhci_softc_t *sc)
|
|
{
|
|
DPRINTFN(-1,("%s regs: cmd=%04x, sts=%04x, intr=%04x, frnum=%04x, "
|
|
"flbase=%08x, sof=%04x, portsc1=%04x, portsc2=%04x\n",
|
|
device_get_nameunit(sc->sc_bus.bdev),
|
|
UREAD2(sc, UHCI_CMD),
|
|
UREAD2(sc, UHCI_STS),
|
|
UREAD2(sc, UHCI_INTR),
|
|
UREAD2(sc, UHCI_FRNUM),
|
|
UREAD4(sc, UHCI_FLBASEADDR),
|
|
UREAD1(sc, UHCI_SOF),
|
|
UREAD2(sc, UHCI_PORTSC1),
|
|
UREAD2(sc, UHCI_PORTSC2)));
|
|
}
|
|
|
|
void
|
|
uhci_dump_td(uhci_soft_td_t *p)
|
|
{
|
|
char sbuf[128], sbuf2[128];
|
|
|
|
DPRINTFN(-1,("TD(%p) at %08lx = link=0x%08lx status=0x%08lx "
|
|
"token=0x%08lx buffer=0x%08lx\n",
|
|
p, (long)p->physaddr,
|
|
(long)le32toh(p->td.td_link),
|
|
(long)le32toh(p->td.td_status),
|
|
(long)le32toh(p->td.td_token),
|
|
(long)le32toh(p->td.td_buffer)));
|
|
|
|
bitmask_snprintf((u_int32_t)le32toh(p->td.td_link), "\20\1T\2Q\3VF",
|
|
sbuf, sizeof(sbuf));
|
|
bitmask_snprintf((u_int32_t)le32toh(p->td.td_status),
|
|
"\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27"
|
|
"STALLED\30ACTIVE\31IOC\32ISO\33LS\36SPD",
|
|
sbuf2, sizeof(sbuf2));
|
|
|
|
DPRINTFN(-1,(" %s %s,errcnt=%d,actlen=%d pid=%02x,addr=%d,endpt=%d,"
|
|
"D=%d,maxlen=%d\n", sbuf, sbuf2,
|
|
UHCI_TD_GET_ERRCNT(le32toh(p->td.td_status)),
|
|
UHCI_TD_GET_ACTLEN(le32toh(p->td.td_status)),
|
|
UHCI_TD_GET_PID(le32toh(p->td.td_token)),
|
|
UHCI_TD_GET_DEVADDR(le32toh(p->td.td_token)),
|
|
UHCI_TD_GET_ENDPT(le32toh(p->td.td_token)),
|
|
UHCI_TD_GET_DT(le32toh(p->td.td_token)),
|
|
UHCI_TD_GET_MAXLEN(le32toh(p->td.td_token))));
|
|
}
|
|
|
|
void
|
|
uhci_dump_qh(uhci_soft_qh_t *sqh)
|
|
{
|
|
DPRINTFN(-1,("QH(%p) at %08x: hlink=%08x elink=%08x\n", sqh,
|
|
(int)sqh->physaddr, le32toh(sqh->qh.qh_hlink),
|
|
le32toh(sqh->qh.qh_elink)));
|
|
}
|
|
|
|
|
|
#if 1
|
|
void
|
|
uhci_dump(void)
|
|
{
|
|
uhci_dump_all(thesc);
|
|
}
|
|
#endif
|
|
|
|
void
|
|
uhci_dump_all(uhci_softc_t *sc)
|
|
{
|
|
uhci_dumpregs(sc);
|
|
printf("intrs=%d\n", sc->sc_bus.no_intrs);
|
|
/*printf("framelist[i].link = %08x\n", sc->sc_framelist[0].link);*/
|
|
uhci_dump_qh(sc->sc_lctl_start);
|
|
}
|
|
|
|
|
|
void
|
|
uhci_dump_qhs(uhci_soft_qh_t *sqh)
|
|
{
|
|
uhci_dump_qh(sqh);
|
|
|
|
/* uhci_dump_qhs displays all the QHs and TDs from the given QH onwards
|
|
* Traverses sideways first, then down.
|
|
*
|
|
* QH1
|
|
* QH2
|
|
* No QH
|
|
* TD2.1
|
|
* TD2.2
|
|
* TD1.1
|
|
* etc.
|
|
*
|
|
* TD2.x being the TDs queued at QH2 and QH1 being referenced from QH1.
|
|
*/
|
|
|
|
|
|
if (sqh->hlink != NULL && !(le32toh(sqh->qh.qh_hlink) & UHCI_PTR_T))
|
|
uhci_dump_qhs(sqh->hlink);
|
|
else
|
|
DPRINTF(("No QH\n"));
|
|
|
|
if (sqh->elink != NULL && !(le32toh(sqh->qh.qh_elink) & UHCI_PTR_T))
|
|
uhci_dump_tds(sqh->elink);
|
|
else
|
|
DPRINTF(("No TD\n"));
|
|
}
|
|
|
|
void
|
|
uhci_dump_tds(uhci_soft_td_t *std)
|
|
{
|
|
uhci_soft_td_t *td;
|
|
|
|
for(td = std; td != NULL; td = td->link.std) {
|
|
uhci_dump_td(td);
|
|
|
|
/* Check whether the link pointer in this TD marks
|
|
* the link pointer as end of queue. This avoids
|
|
* printing the free list in case the queue/TD has
|
|
* already been moved there (seatbelt).
|
|
*/
|
|
if (le32toh(td->td.td_link) & UHCI_PTR_T ||
|
|
le32toh(td->td.td_link) == 0)
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
uhci_dump_ii(uhci_intr_info_t *ii)
|
|
{
|
|
usbd_pipe_handle pipe;
|
|
usb_endpoint_descriptor_t *ed;
|
|
usbd_device_handle dev;
|
|
|
|
#ifdef DIAGNOSTIC
|
|
#define DONE ii->isdone
|
|
#else
|
|
#define DONE 0
|
|
#endif
|
|
if (ii == NULL) {
|
|
printf("ii NULL\n");
|
|
return;
|
|
}
|
|
if (ii->xfer == NULL) {
|
|
printf("ii %p: done=%d xfer=NULL\n",
|
|
ii, DONE);
|
|
return;
|
|
}
|
|
pipe = ii->xfer->pipe;
|
|
if (pipe == NULL) {
|
|
printf("ii %p: done=%d xfer=%p pipe=NULL\n",
|
|
ii, DONE, ii->xfer);
|
|
return;
|
|
}
|
|
if (pipe->endpoint == NULL) {
|
|
printf("ii %p: done=%d xfer=%p pipe=%p pipe->endpoint=NULL\n",
|
|
ii, DONE, ii->xfer, pipe);
|
|
return;
|
|
}
|
|
if (pipe->device == NULL) {
|
|
printf("ii %p: done=%d xfer=%p pipe=%p pipe->device=NULL\n",
|
|
ii, DONE, ii->xfer, pipe);
|
|
return;
|
|
}
|
|
ed = pipe->endpoint->edesc;
|
|
dev = pipe->device;
|
|
printf("ii %p: done=%d xfer=%p dev=%p vid=0x%04x pid=0x%04x addr=%d pipe=%p ep=0x%02x attr=0x%02x\n",
|
|
ii, DONE, ii->xfer, dev,
|
|
UGETW(dev->ddesc.idVendor),
|
|
UGETW(dev->ddesc.idProduct),
|
|
dev->address, pipe,
|
|
ed->bEndpointAddress, ed->bmAttributes);
|
|
#undef DONE
|
|
}
|
|
|
|
void uhci_dump_iis(struct uhci_softc *sc);
|
|
void
|
|
uhci_dump_iis(struct uhci_softc *sc)
|
|
{
|
|
uhci_intr_info_t *ii;
|
|
|
|
printf("intr_info list:\n");
|
|
for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list))
|
|
uhci_dump_ii(ii);
|
|
}
|
|
|
|
void iidump(void);
|
|
void iidump(void) { uhci_dump_iis(thesc); }
|
|
|
|
#endif
|
|
|
|
/*
|
|
* This routine is executed periodically and simulates interrupts
|
|
* from the root controller interrupt pipe for port status change.
|
|
*/
|
|
void
|
|
uhci_poll_hub(void *addr)
|
|
{
|
|
usbd_xfer_handle xfer = addr;
|
|
usbd_pipe_handle pipe = xfer->pipe;
|
|
usbd_device_handle dev = pipe->device;
|
|
uhci_softc_t *sc = (uhci_softc_t *)dev->bus;
|
|
int s;
|
|
u_char *p;
|
|
|
|
DPRINTFN(20, ("uhci_poll_hub\n"));
|
|
|
|
usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer);
|
|
|
|
p = xfer->buffer;
|
|
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)
|
|
/* No change, try again in a while */
|
|
return;
|
|
|
|
xfer->actlen = 1;
|
|
xfer->status = USBD_NORMAL_COMPLETION;
|
|
s = splusb();
|
|
dev->bus->intr_context++;
|
|
uhci_transfer_complete(xfer);
|
|
dev->bus->intr_context--;
|
|
splx(s);
|
|
}
|
|
|
|
void
|
|
uhci_root_intr_done(usbd_xfer_handle xfer)
|
|
{
|
|
}
|
|
|
|
void
|
|
uhci_root_ctrl_done(usbd_xfer_handle xfer)
|
|
{
|
|
}
|
|
|
|
/*
|
|
* Let the last QH loop back to the high speed control transfer QH.
|
|
* This is what intel calls "bandwidth reclamation" and improves
|
|
* USB performance a lot for some devices.
|
|
* If we are already looping, just count it.
|
|
*/
|
|
void
|
|
uhci_add_loop(uhci_softc_t *sc) {
|
|
#ifdef USB_DEBUG
|
|
if (uhcinoloop)
|
|
return;
|
|
#endif
|
|
if (++sc->sc_loops == 1) {
|
|
DPRINTFN(5,("uhci_start_loop: add\n"));
|
|
/* Note, we don't loop back the soft pointer. */
|
|
sc->sc_last_qh->qh.qh_hlink =
|
|
htole32(sc->sc_hctl_start->physaddr | UHCI_PTR_QH);
|
|
}
|
|
}
|
|
|
|
void
|
|
uhci_rem_loop(uhci_softc_t *sc) {
|
|
#ifdef USB_DEBUG
|
|
if (uhcinoloop)
|
|
return;
|
|
#endif
|
|
if (--sc->sc_loops == 0) {
|
|
DPRINTFN(5,("uhci_end_loop: remove\n"));
|
|
sc->sc_last_qh->qh.qh_hlink = htole32(UHCI_PTR_T);
|
|
}
|
|
}
|
|
|
|
/* Add high speed control QH, called at splusb(). */
|
|
void
|
|
uhci_add_hs_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh)
|
|
{
|
|
uhci_soft_qh_t *eqh;
|
|
|
|
SPLUSBCHECK;
|
|
|
|
DPRINTFN(10, ("uhci_add_ctrl: sqh=%p\n", sqh));
|
|
eqh = sc->sc_hctl_end;
|
|
sqh->hlink = eqh->hlink;
|
|
sqh->qh.qh_hlink = eqh->qh.qh_hlink;
|
|
eqh->hlink = sqh;
|
|
eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH);
|
|
sc->sc_hctl_end = sqh;
|
|
#ifdef UHCI_CTL_LOOP
|
|
uhci_add_loop(sc);
|
|
#endif
|
|
}
|
|
|
|
/* Remove high speed control QH, called at splusb(). */
|
|
void
|
|
uhci_remove_hs_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh)
|
|
{
|
|
uhci_soft_qh_t *pqh;
|
|
|
|
SPLUSBCHECK;
|
|
|
|
DPRINTFN(10, ("uhci_remove_hs_ctrl: sqh=%p\n", sqh));
|
|
#ifdef UHCI_CTL_LOOP
|
|
uhci_rem_loop(sc);
|
|
#endif
|
|
/*
|
|
* The T bit should be set in the elink of the QH so that the HC
|
|
* doesn't follow the pointer. This condition may fail if the
|
|
* the transferred packet was short so that the QH still points
|
|
* at the last used TD.
|
|
* In this case we set the T bit and wait a little for the HC
|
|
* to stop looking at the TD.
|
|
*/
|
|
if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) {
|
|
sqh->qh.qh_elink = htole32(UHCI_PTR_T);
|
|
delay(UHCI_QH_REMOVE_DELAY);
|
|
}
|
|
|
|
pqh = uhci_find_prev_qh(sc->sc_hctl_start, sqh);
|
|
pqh->hlink = sqh->hlink;
|
|
pqh->qh.qh_hlink = sqh->qh.qh_hlink;
|
|
delay(UHCI_QH_REMOVE_DELAY);
|
|
if (sc->sc_hctl_end == sqh)
|
|
sc->sc_hctl_end = pqh;
|
|
}
|
|
|
|
/* Add low speed control QH, called at splusb(). */
|
|
void
|
|
uhci_add_ls_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh)
|
|
{
|
|
uhci_soft_qh_t *eqh;
|
|
|
|
SPLUSBCHECK;
|
|
|
|
DPRINTFN(10, ("uhci_add_ls_ctrl: sqh=%p\n", sqh));
|
|
eqh = sc->sc_lctl_end;
|
|
sqh->hlink = eqh->hlink;
|
|
sqh->qh.qh_hlink = eqh->qh.qh_hlink;
|
|
eqh->hlink = sqh;
|
|
eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH);
|
|
sc->sc_lctl_end = sqh;
|
|
}
|
|
|
|
/* Remove low speed control QH, called at splusb(). */
|
|
void
|
|
uhci_remove_ls_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh)
|
|
{
|
|
uhci_soft_qh_t *pqh;
|
|
|
|
SPLUSBCHECK;
|
|
|
|
DPRINTFN(10, ("uhci_remove_ls_ctrl: sqh=%p\n", sqh));
|
|
/* See comment in uhci_remove_hs_ctrl() */
|
|
if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) {
|
|
sqh->qh.qh_elink = htole32(UHCI_PTR_T);
|
|
delay(UHCI_QH_REMOVE_DELAY);
|
|
}
|
|
pqh = uhci_find_prev_qh(sc->sc_lctl_start, sqh);
|
|
pqh->hlink = sqh->hlink;
|
|
pqh->qh.qh_hlink = sqh->qh.qh_hlink;
|
|
delay(UHCI_QH_REMOVE_DELAY);
|
|
if (sc->sc_lctl_end == sqh)
|
|
sc->sc_lctl_end = pqh;
|
|
}
|
|
|
|
/* Add bulk QH, called at splusb(). */
|
|
void
|
|
uhci_add_bulk(uhci_softc_t *sc, uhci_soft_qh_t *sqh)
|
|
{
|
|
uhci_soft_qh_t *eqh;
|
|
|
|
SPLUSBCHECK;
|
|
|
|
DPRINTFN(10, ("uhci_add_bulk: sqh=%p\n", sqh));
|
|
eqh = sc->sc_bulk_end;
|
|
sqh->hlink = eqh->hlink;
|
|
sqh->qh.qh_hlink = eqh->qh.qh_hlink;
|
|
eqh->hlink = sqh;
|
|
eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH);
|
|
sc->sc_bulk_end = sqh;
|
|
uhci_add_loop(sc);
|
|
}
|
|
|
|
/* Remove bulk QH, called at splusb(). */
|
|
void
|
|
uhci_remove_bulk(uhci_softc_t *sc, uhci_soft_qh_t *sqh)
|
|
{
|
|
uhci_soft_qh_t *pqh;
|
|
|
|
SPLUSBCHECK;
|
|
|
|
DPRINTFN(10, ("uhci_remove_bulk: sqh=%p\n", sqh));
|
|
uhci_rem_loop(sc);
|
|
/* See comment in uhci_remove_hs_ctrl() */
|
|
if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) {
|
|
sqh->qh.qh_elink = htole32(UHCI_PTR_T);
|
|
delay(UHCI_QH_REMOVE_DELAY);
|
|
}
|
|
pqh = uhci_find_prev_qh(sc->sc_bulk_start, sqh);
|
|
pqh->hlink = sqh->hlink;
|
|
pqh->qh.qh_hlink = sqh->qh.qh_hlink;
|
|
delay(UHCI_QH_REMOVE_DELAY);
|
|
if (sc->sc_bulk_end == sqh)
|
|
sc->sc_bulk_end = pqh;
|
|
}
|
|
|
|
static int uhci_intr1(uhci_softc_t *);
|
|
|
|
int
|
|
uhci_intr(void *arg)
|
|
{
|
|
uhci_softc_t *sc = arg;
|
|
|
|
if (sc->sc_dying)
|
|
return (0);
|
|
|
|
DPRINTFN(15,("uhci_intr: real interrupt\n"));
|
|
if (sc->sc_bus.use_polling) {
|
|
#ifdef DIAGNOSTIC
|
|
printf("uhci_intr: ignored interrupt while polling\n");
|
|
#endif
|
|
return (0);
|
|
}
|
|
return (uhci_intr1(sc));
|
|
}
|
|
|
|
int
|
|
uhci_intr1(uhci_softc_t *sc)
|
|
{
|
|
|
|
int status;
|
|
int ack;
|
|
|
|
/*
|
|
* It can happen that an interrupt will be delivered to
|
|
* us before the device has been fully attached and the
|
|
* softc struct has been configured. Usually this happens
|
|
* when kldloading the USB support as a module after the
|
|
* system has been booted. If we detect this condition,
|
|
* we need to squelch the unwanted interrupts until we're
|
|
* ready for them.
|
|
*/
|
|
if (sc->sc_bus.bdev == NULL) {
|
|
UWRITE2(sc, UHCI_STS, 0xFFFF); /* ack pending interrupts */
|
|
uhci_run(sc, 0); /* stop the controller */
|
|
UWRITE2(sc, UHCI_INTR, 0); /* disable interrupts */
|
|
return(0);
|
|
}
|
|
|
|
#ifdef USB_DEBUG
|
|
if (uhcidebug > 15) {
|
|
DPRINTF(("%s: uhci_intr1\n", device_get_nameunit(sc->sc_bus.bdev)));
|
|
uhci_dumpregs(sc);
|
|
}
|
|
#endif
|
|
status = UREAD2(sc, UHCI_STS) & UHCI_STS_ALLINTRS;
|
|
if (status == 0) /* The interrupt was not for us. */
|
|
return (0);
|
|
|
|
#if defined(DIAGNOSTIC) && defined(__NetBSD__)
|
|
if (sc->sc_suspend != PWR_RESUME)
|
|
printf("uhci_intr: suspended sts=0x%x\n", status);
|
|
#endif
|
|
|
|
if (sc->sc_suspend != PWR_RESUME) {
|
|
printf("%s: interrupt while not operating ignored\n",
|
|
device_get_nameunit(sc->sc_bus.bdev));
|
|
UWRITE2(sc, UHCI_STS, status); /* acknowledge the ints */
|
|
return (0);
|
|
}
|
|
|
|
ack = 0;
|
|
if (status & UHCI_STS_USBINT)
|
|
ack |= UHCI_STS_USBINT;
|
|
if (status & UHCI_STS_USBEI)
|
|
ack |= UHCI_STS_USBEI;
|
|
if (status & UHCI_STS_RD) {
|
|
ack |= UHCI_STS_RD;
|
|
#ifdef USB_DEBUG
|
|
printf("%s: resume detect\n", device_get_nameunit(sc->sc_bus.bdev));
|
|
#endif
|
|
}
|
|
if (status & UHCI_STS_HSE) {
|
|
ack |= UHCI_STS_HSE;
|
|
printf("%s: host system error\n", device_get_nameunit(sc->sc_bus.bdev));
|
|
}
|
|
if (status & UHCI_STS_HCPE) {
|
|
ack |= UHCI_STS_HCPE;
|
|
printf("%s: host controller process error\n",
|
|
device_get_nameunit(sc->sc_bus.bdev));
|
|
}
|
|
if (status & UHCI_STS_HCH) {
|
|
/* no acknowledge needed */
|
|
if (!sc->sc_dying) {
|
|
printf("%s: host controller halted\n",
|
|
device_get_nameunit(sc->sc_bus.bdev));
|
|
#ifdef USB_DEBUG
|
|
uhci_dump_all(sc);
|
|
#endif
|
|
}
|
|
sc->sc_dying = 1;
|
|
}
|
|
|
|
if (!ack)
|
|
return (0); /* nothing to acknowledge */
|
|
UWRITE2(sc, UHCI_STS, ack); /* acknowledge the ints */
|
|
|
|
sc->sc_bus.no_intrs++;
|
|
usb_schedsoftintr(&sc->sc_bus);
|
|
|
|
DPRINTFN(15, ("%s: uhci_intr: exit\n", device_get_nameunit(sc->sc_bus.bdev)));
|
|
|
|
return (1);
|
|
}
|
|
|
|
void
|
|
uhci_softintr(void *v)
|
|
{
|
|
uhci_softc_t *sc = v;
|
|
uhci_intr_info_t *ii, *nextii;
|
|
|
|
DPRINTFN(10,("%s: uhci_softintr (%d)\n", device_get_nameunit(sc->sc_bus.bdev),
|
|
sc->sc_bus.intr_context));
|
|
|
|
sc->sc_bus.intr_context++;
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
LIST_FOREACH_SAFE(ii, &sc->sc_intrhead, list, nextii)
|
|
uhci_check_intr(sc, ii);
|
|
|
|
#ifdef USB_USE_SOFTINTR
|
|
if (sc->sc_softwake) {
|
|
sc->sc_softwake = 0;
|
|
wakeup(&sc->sc_softwake);
|
|
}
|
|
#endif /* USB_USE_SOFTINTR */
|
|
|
|
sc->sc_bus.intr_context--;
|
|
}
|
|
|
|
/* Check for an interrupt. */
|
|
void
|
|
uhci_check_intr(uhci_softc_t *sc, uhci_intr_info_t *ii)
|
|
{
|
|
uhci_soft_td_t *std, *lstd;
|
|
u_int32_t status;
|
|
|
|
DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii));
|
|
#ifdef DIAGNOSTIC
|
|
if (ii == NULL) {
|
|
printf("uhci_check_intr: no ii? %p\n", ii);
|
|
return;
|
|
}
|
|
#endif
|
|
if (ii->xfer->status == USBD_CANCELLED ||
|
|
ii->xfer->status == USBD_TIMEOUT) {
|
|
DPRINTF(("uhci_check_intr: aborted xfer=%p\n", ii->xfer));
|
|
return;
|
|
}
|
|
|
|
if (ii->stdstart == NULL)
|
|
return;
|
|
lstd = ii->stdend;
|
|
#ifdef DIAGNOSTIC
|
|
if (lstd == NULL) {
|
|
printf("uhci_check_intr: std==0\n");
|
|
return;
|
|
}
|
|
#endif
|
|
/*
|
|
* If the last TD is still active we need to check whether there
|
|
* is an error somewhere in the middle, or whether there was a
|
|
* short packet (SPD and not ACTIVE).
|
|
*/
|
|
if (le32toh(lstd->td.td_status) & UHCI_TD_ACTIVE) {
|
|
DPRINTFN(12, ("uhci_check_intr: active ii=%p\n", ii));
|
|
for (std = ii->stdstart; std != lstd; std = std->link.std) {
|
|
status = le32toh(std->td.td_status);
|
|
/* If there's an active TD the xfer isn't done. */
|
|
if (status & UHCI_TD_ACTIVE)
|
|
break;
|
|
/* Any kind of error makes the xfer done. */
|
|
if (status & UHCI_TD_STALLED)
|
|
goto done;
|
|
/* We want short packets, and it is short: it's done */
|
|
if ((status & UHCI_TD_SPD) &&
|
|
UHCI_TD_GET_ACTLEN(status) <
|
|
UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token)))
|
|
goto done;
|
|
}
|
|
DPRINTFN(12, ("uhci_check_intr: ii=%p std=%p still active\n",
|
|
ii, ii->stdstart));
|
|
return;
|
|
}
|
|
done:
|
|
DPRINTFN(12, ("uhci_check_intr: ii=%p done\n", ii));
|
|
usb_uncallout(ii->xfer->timeout_handle, uhci_timeout, ii);
|
|
usb_rem_task(ii->xfer->pipe->device, &UXFER(ii->xfer)->abort_task);
|
|
uhci_idone(ii);
|
|
}
|
|
|
|
/* Called at splusb() */
|
|
void
|
|
uhci_idone(uhci_intr_info_t *ii)
|
|
{
|
|
usbd_xfer_handle xfer = ii->xfer;
|
|
struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
|
|
uhci_soft_td_t *std;
|
|
u_int32_t status = 0, nstatus;
|
|
int actlen;
|
|
|
|
DPRINTFN(12, ("uhci_idone: ii=%p\n", ii));
|
|
#ifdef DIAGNOSTIC
|
|
{
|
|
int s = splhigh();
|
|
if (ii->isdone) {
|
|
splx(s);
|
|
#ifdef USB_DEBUG
|
|
printf("uhci_idone: ii is done!\n ");
|
|
uhci_dump_ii(ii);
|
|
#else
|
|
printf("uhci_idone: ii=%p is done!\n", ii);
|
|
#endif
|
|
return;
|
|
}
|
|
ii->isdone = 1;
|
|
splx(s);
|
|
}
|
|
#endif
|
|
|
|
if (xfer->nframes != 0) {
|
|
/* Isoc transfer, do things differently. */
|
|
uhci_soft_td_t **stds = upipe->u.iso.stds;
|
|
int i, n, nframes, len;
|
|
|
|
DPRINTFN(5,("uhci_idone: ii=%p isoc ready\n", ii));
|
|
|
|
nframes = xfer->nframes;
|
|
actlen = 0;
|
|
n = UXFER(xfer)->curframe;
|
|
for (i = 0; i < nframes; i++) {
|
|
std = stds[n];
|
|
#ifdef USB_DEBUG
|
|
if (uhcidebug > 5) {
|
|
DPRINTFN(-1,("uhci_idone: isoc TD %d\n", i));
|
|
uhci_dump_td(std);
|
|
}
|
|
#endif
|
|
if (++n >= UHCI_VFRAMELIST_COUNT)
|
|
n = 0;
|
|
status = le32toh(std->td.td_status);
|
|
len = UHCI_TD_GET_ACTLEN(status);
|
|
xfer->frlengths[i] = len;
|
|
actlen += len;
|
|
}
|
|
upipe->u.iso.inuse -= nframes;
|
|
xfer->actlen = actlen;
|
|
xfer->status = USBD_NORMAL_COMPLETION;
|
|
goto end;
|
|
}
|
|
|
|
#ifdef USB_DEBUG
|
|
DPRINTFN(10, ("uhci_idone: ii=%p, xfer=%p, pipe=%p ready\n",
|
|
ii, xfer, upipe));
|
|
if (uhcidebug > 10)
|
|
uhci_dump_tds(ii->stdstart);
|
|
#endif
|
|
|
|
/* The transfer is done, compute actual length and status. */
|
|
actlen = 0;
|
|
for (std = ii->stdstart; std != NULL; std = std->link.std) {
|
|
nstatus = le32toh(std->td.td_status);
|
|
if (nstatus & UHCI_TD_ACTIVE)
|
|
break;
|
|
|
|
status = nstatus;
|
|
if (UHCI_TD_GET_PID(le32toh(std->td.td_token)) !=
|
|
UHCI_TD_PID_SETUP)
|
|
actlen += UHCI_TD_GET_ACTLEN(status);
|
|
else {
|
|
/*
|
|
* UHCI will report CRCTO in addition to a STALL or NAK
|
|
* for a SETUP transaction. See section 3.2.2, "TD
|
|
* CONTROL AND STATUS".
|
|
*/
|
|
if (status & (UHCI_TD_STALLED | UHCI_TD_NAK))
|
|
status &= ~UHCI_TD_CRCTO;
|
|
}
|
|
}
|
|
/* If there are left over TDs we need to update the toggle. */
|
|
if (std != NULL)
|
|
upipe->nexttoggle = UHCI_TD_GET_DT(le32toh(std->td.td_token));
|
|
|
|
status &= UHCI_TD_ERROR;
|
|
DPRINTFN(10, ("uhci_idone: actlen=%d, status=0x%x\n",
|
|
actlen, status));
|
|
xfer->actlen = actlen;
|
|
if (status != 0) {
|
|
#ifdef USB_DEBUG
|
|
char sbuf[128];
|
|
|
|
bitmask_snprintf((u_int32_t)status,
|
|
"\20\22BITSTUFF\23CRCTO\24NAK\25"
|
|
"BABBLE\26DBUFFER\27STALLED\30ACTIVE",
|
|
sbuf, sizeof(sbuf));
|
|
|
|
DPRINTFN((status == UHCI_TD_STALLED)*10,
|
|
("uhci_idone: error, addr=%d, endpt=0x%02x, "
|
|
"status 0x%s\n",
|
|
xfer->pipe->device->address,
|
|
xfer->pipe->endpoint->edesc->bEndpointAddress,
|
|
sbuf));
|
|
#endif
|
|
|
|
if (status == UHCI_TD_STALLED)
|
|
xfer->status = USBD_STALLED;
|
|
else
|
|
xfer->status = USBD_IOERROR; /* more info XXX */
|
|
} else {
|
|
xfer->status = USBD_NORMAL_COMPLETION;
|
|
}
|
|
|
|
end:
|
|
uhci_transfer_complete(xfer);
|
|
DPRINTFN(12, ("uhci_idone: ii=%p done\n", ii));
|
|
}
|
|
|
|
/*
|
|
* Called when a request does not complete.
|
|
*/
|
|
void
|
|
uhci_timeout(void *addr)
|
|
{
|
|
uhci_intr_info_t *ii = addr;
|
|
struct uhci_xfer *uxfer = UXFER(ii->xfer);
|
|
struct uhci_pipe *upipe = (struct uhci_pipe *)uxfer->xfer.pipe;
|
|
uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus;
|
|
|
|
DPRINTF(("uhci_timeout: uxfer=%p\n", uxfer));
|
|
|
|
if (sc->sc_dying) {
|
|
uhci_abort_xfer(&uxfer->xfer, USBD_TIMEOUT);
|
|
return;
|
|
}
|
|
|
|
/* Execute the abort in a process context. */
|
|
usb_add_task(uxfer->xfer.pipe->device, &uxfer->abort_task,
|
|
USB_TASKQ_HC);
|
|
}
|
|
|
|
void
|
|
uhci_timeout_task(void *addr)
|
|
{
|
|
usbd_xfer_handle xfer = addr;
|
|
int s;
|
|
|
|
DPRINTF(("uhci_timeout_task: xfer=%p\n", xfer));
|
|
|
|
s = splusb();
|
|
uhci_abort_xfer(xfer, USBD_TIMEOUT);
|
|
splx(s);
|
|
}
|
|
|
|
/*
|
|
* Wait here until controller claims to have an interrupt.
|
|
* Then call uhci_intr and return. Use timeout to avoid waiting
|
|
* too long.
|
|
* Only used during boot when interrupts are not enabled yet.
|
|
*/
|
|
void
|
|
uhci_waitintr(uhci_softc_t *sc, usbd_xfer_handle xfer)
|
|
{
|
|
int timo = xfer->timeout;
|
|
uhci_intr_info_t *ii;
|
|
|
|
DPRINTFN(10,("uhci_waitintr: timeout = %dms\n", timo));
|
|
|
|
xfer->status = USBD_IN_PROGRESS;
|
|
for (; timo >= 0; timo--) {
|
|
usb_delay_ms(&sc->sc_bus, 1);
|
|
DPRINTFN(20,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS)));
|
|
if (UREAD2(sc, UHCI_STS) & UHCI_STS_ALLINTRS)
|
|
uhci_intr1(sc);
|
|
if (xfer->status != USBD_IN_PROGRESS)
|
|
return;
|
|
}
|
|
|
|
/* Timeout */
|
|
DPRINTF(("uhci_waitintr: timeout\n"));
|
|
for (ii = LIST_FIRST(&sc->sc_intrhead);
|
|
ii != NULL && ii->xfer != xfer;
|
|
ii = LIST_NEXT(ii, list))
|
|
;
|
|
#ifdef DIAGNOSTIC
|
|
if (ii == NULL)
|
|
panic("uhci_waitintr: lost intr_info");
|
|
#endif
|
|
uhci_idone(ii);
|
|
}
|
|
|
|
void
|
|
uhci_poll(struct usbd_bus *bus)
|
|
{
|
|
uhci_softc_t *sc = (uhci_softc_t *)bus;
|
|
|
|
if (UREAD2(sc, UHCI_STS) & UHCI_STS_ALLINTRS)
|
|
uhci_intr1(sc);
|
|
}
|
|
|
|
void
|
|
uhci_reset(uhci_softc_t *sc)
|
|
{
|
|
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++)
|
|
usb_delay_ms(&sc->sc_bus, 1);
|
|
if (n >= UHCI_RESET_TIMEOUT)
|
|
printf("%s: controller did not reset\n",
|
|
device_get_nameunit(sc->sc_bus.bdev));
|
|
}
|
|
|
|
usbd_status
|
|
uhci_run(uhci_softc_t *sc, int run)
|
|
{
|
|
int s, n, running;
|
|
u_int16_t cmd;
|
|
|
|
run = run != 0;
|
|
s = splhardusb();
|
|
DPRINTF(("uhci_run: setting run=%d\n", run));
|
|
cmd = UREAD2(sc, UHCI_CMD);
|
|
if (run)
|
|
cmd |= UHCI_CMD_RS;
|
|
else
|
|
cmd &= ~UHCI_CMD_RS;
|
|
UHCICMD(sc, cmd);
|
|
for(n = 0; n < 10; n++) {
|
|
running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH);
|
|
/* return when we've entered the state we want */
|
|
if (run == running) {
|
|
splx(s);
|
|
DPRINTF(("uhci_run: done cmd=0x%x sts=0x%x\n",
|
|
UREAD2(sc, UHCI_CMD), UREAD2(sc, UHCI_STS)));
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
usb_delay_ms(&sc->sc_bus, 1);
|
|
}
|
|
splx(s);
|
|
printf("%s: cannot %s\n", device_get_nameunit(sc->sc_bus.bdev),
|
|
run ? "start" : "stop");
|
|
return (USBD_IOERROR);
|
|
}
|
|
|
|
/*
|
|
* 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 allocated chunk.
|
|
*/
|
|
|
|
uhci_soft_td_t *
|
|
uhci_alloc_std(uhci_softc_t *sc)
|
|
{
|
|
uhci_soft_td_t *std;
|
|
usbd_status err;
|
|
int i, offs;
|
|
usb_dma_t dma;
|
|
|
|
if (sc->sc_freetds == NULL) {
|
|
DPRINTFN(2,("uhci_alloc_std: allocating chunk\n"));
|
|
err = usb_allocmem(&sc->sc_bus, UHCI_STD_SIZE * UHCI_STD_CHUNK,
|
|
UHCI_TD_ALIGN, &dma);
|
|
if (err)
|
|
return (0);
|
|
for(i = 0; i < UHCI_STD_CHUNK; i++) {
|
|
offs = i * UHCI_STD_SIZE;
|
|
std = KERNADDR(&dma, offs);
|
|
std->physaddr = DMAADDR(&dma, offs);
|
|
std->link.std = sc->sc_freetds;
|
|
std->aux_dma.block = NULL;
|
|
std->aux_data = NULL;
|
|
std->aux_len = 0;
|
|
sc->sc_freetds = std;
|
|
}
|
|
}
|
|
std = sc->sc_freetds;
|
|
sc->sc_freetds = std->link.std;
|
|
memset(&std->td, 0, sizeof(uhci_td_t));
|
|
return std;
|
|
}
|
|
|
|
void
|
|
uhci_free_std(uhci_softc_t *sc, uhci_soft_td_t *std)
|
|
{
|
|
#ifdef DIAGNOSTIC
|
|
#define TD_IS_FREE 0x12345678
|
|
if (le32toh(std->td.td_token) == TD_IS_FREE) {
|
|
printf("uhci_free_std: freeing free TD %p\n", std);
|
|
return;
|
|
}
|
|
std->td.td_token = htole32(TD_IS_FREE);
|
|
#endif
|
|
if (std->aux_dma.block != NULL) {
|
|
usb_freemem(&sc->sc_bus, &std->aux_dma);
|
|
std->aux_dma.block = NULL;
|
|
std->aux_data = NULL;
|
|
std->aux_len = 0;
|
|
}
|
|
std->link.std = sc->sc_freetds;
|
|
sc->sc_freetds = std;
|
|
}
|
|
|
|
uhci_soft_qh_t *
|
|
uhci_alloc_sqh(uhci_softc_t *sc)
|
|
{
|
|
uhci_soft_qh_t *sqh;
|
|
usbd_status err;
|
|
int i, offs;
|
|
usb_dma_t dma;
|
|
|
|
if (sc->sc_freeqhs == NULL) {
|
|
DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n"));
|
|
err = usb_allocmem(&sc->sc_bus, UHCI_SQH_SIZE * UHCI_SQH_CHUNK,
|
|
UHCI_QH_ALIGN, &dma);
|
|
if (err)
|
|
return (0);
|
|
for(i = 0; i < UHCI_SQH_CHUNK; i++) {
|
|
offs = i * UHCI_SQH_SIZE;
|
|
sqh = KERNADDR(&dma, offs);
|
|
sqh->physaddr = DMAADDR(&dma, offs);
|
|
sqh->hlink = sc->sc_freeqhs;
|
|
sc->sc_freeqhs = sqh;
|
|
}
|
|
}
|
|
sqh = sc->sc_freeqhs;
|
|
sc->sc_freeqhs = sqh->hlink;
|
|
memset(&sqh->qh, 0, sizeof(uhci_qh_t));
|
|
return (sqh);
|
|
}
|
|
|
|
void
|
|
uhci_free_sqh(uhci_softc_t *sc, uhci_soft_qh_t *sqh)
|
|
{
|
|
sqh->hlink = sc->sc_freeqhs;
|
|
sc->sc_freeqhs = sqh;
|
|
}
|
|
|
|
void
|
|
uhci_free_std_chain(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->link.std;
|
|
uhci_free_std(sc, std);
|
|
}
|
|
}
|
|
|
|
usbd_status
|
|
uhci_alloc_std_chain(struct uhci_pipe *upipe, uhci_softc_t *sc, int len,
|
|
int rd, u_int16_t flags, usbd_xfer_handle xfer,
|
|
uhci_soft_td_t **sp, uhci_soft_td_t **ep)
|
|
{
|
|
struct usb_dma_mapping *dma = &xfer->dmamap;
|
|
uhci_soft_td_t *p, *prevp, *startp;
|
|
int err, i, ntd, l, tog, maxp, seg, segoff;
|
|
u_int32_t status;
|
|
int addr = upipe->pipe.device->address;
|
|
int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress;
|
|
|
|
DPRINTFN(8, ("uhci_alloc_std_chain: addr=%d endpt=%d len=%d speed=%d "
|
|
"flags=0x%x\n", addr, UE_GET_ADDR(endpt), len,
|
|
upipe->pipe.device->speed, flags));
|
|
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;
|
|
if (len == 0)
|
|
flags |= USBD_FORCE_SHORT_XFER;
|
|
if ((flags & USBD_FORCE_SHORT_XFER) && len % maxp == 0)
|
|
ntd++;
|
|
DPRINTFN(10, ("uhci_alloc_std_chain: maxp=%d ntd=%d\n", maxp, ntd));
|
|
KASSERT(ntd > 0, ("uhci_alloc_std_chain: ntd=0"));
|
|
tog = upipe->nexttoggle;
|
|
prevp = NULL;
|
|
startp = NULL;
|
|
status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(3) | UHCI_TD_ACTIVE);
|
|
if (upipe->pipe.device->speed == USB_SPEED_LOW)
|
|
status |= UHCI_TD_LS;
|
|
if (flags & USBD_SHORT_XFER_OK)
|
|
status |= UHCI_TD_SPD;
|
|
seg = 0;
|
|
segoff = 0;
|
|
for (i = 0; i < ntd; i++) {
|
|
p = uhci_alloc_std(sc);
|
|
if (p == NULL) {
|
|
uhci_free_std_chain(sc, startp, NULL);
|
|
return (USBD_NOMEM);
|
|
}
|
|
p->link.std = NULL;
|
|
if (prevp != NULL) {
|
|
prevp->link.std = p;
|
|
prevp->td.td_link = htole32(p->physaddr | UHCI_PTR_VF |
|
|
UHCI_PTR_TD);
|
|
} else {
|
|
startp = p;
|
|
}
|
|
p->td.td_status = htole32(status);
|
|
if (i == ntd - 1) {
|
|
/* last TD */
|
|
l = len % maxp;
|
|
if (l == 0 && !(flags & USBD_FORCE_SHORT_XFER))
|
|
l = maxp;
|
|
*ep = p;
|
|
} else
|
|
l = maxp;
|
|
p->td.td_token =
|
|
htole32(rd ? UHCI_TD_IN (l, endpt, addr, tog) :
|
|
UHCI_TD_OUT(l, endpt, addr, tog));
|
|
|
|
KASSERT(seg < dma->nsegs || l == 0,
|
|
("uhci_alloc_std_chain: too few segments"));
|
|
if (l == 0) {
|
|
p->td.td_buffer = 0;
|
|
} else if (l > dma->segs[seg].ds_len - segoff) {
|
|
/* UHCI can't handle non-contiguous data. */
|
|
err = uhci_aux_dma_alloc(sc, p, (char *)xfer->buffer +
|
|
i * maxp, l);
|
|
if (err) {
|
|
uhci_free_std_chain(sc, startp, NULL);
|
|
return (err);
|
|
}
|
|
p->td.td_buffer = htole32(uhci_aux_dma_prepare(p, rd));
|
|
l -= dma->segs[seg].ds_len - segoff;
|
|
seg++;
|
|
KASSERT(seg < dma->nsegs,
|
|
("uhci_alloc_std_chain: too few segments 2"));
|
|
segoff = 0;
|
|
} else {
|
|
p->td.td_buffer = htole32(dma->segs[seg].ds_addr +
|
|
segoff);
|
|
}
|
|
segoff += l;
|
|
if (l > 0 && segoff >= dma->segs[seg].ds_len) {
|
|
KASSERT(segoff == dma->segs[seg].ds_len,
|
|
("uhci_alloc_std_chain: overlap"));
|
|
if (i * maxp + l != len) {
|
|
seg++;
|
|
segoff = 0;
|
|
}
|
|
}
|
|
prevp = p;
|
|
tog ^= 1;
|
|
}
|
|
prevp->td.td_link = htole32(UHCI_PTR_T | UHCI_PTR_VF | UHCI_PTR_TD);
|
|
upipe->nexttoggle = tog;
|
|
*sp = startp;
|
|
DPRINTFN(10, ("uhci_alloc_std_chain: nexttog=%d\n",
|
|
upipe->nexttoggle));
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
/*
|
|
* Allocate a physically contiguous buffer to handle cases where UHCI
|
|
* cannot handle a packet because it is not physically contiguous.
|
|
* If the usb_dma_t was already allocated this just ensures it is
|
|
* large enough for the specified size.
|
|
*/
|
|
static usbd_status
|
|
uhci_aux_dma_alloc(uhci_softc_t *sc, uhci_soft_td_t *std, void *data, int len)
|
|
{
|
|
int err, align;
|
|
|
|
if (std->aux_dma.block == NULL || std->aux_dma.block->size < len) {
|
|
/* Align to avoid crossing a page boundary. */
|
|
if (powerof2(len))
|
|
align = len;
|
|
else
|
|
align = 1 << fls(len);
|
|
|
|
if (std->aux_dma.block != NULL)
|
|
usb_freemem(&sc->sc_bus, &std->aux_dma);
|
|
std->aux_dma.block = NULL;
|
|
err = usb_allocmem(&sc->sc_bus, len, align, &std->aux_dma);
|
|
if (err)
|
|
return (err);
|
|
}
|
|
std->aux_data = data;
|
|
std->aux_len = len;
|
|
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
static uhci_physaddr_t
|
|
uhci_aux_dma_prepare(uhci_soft_td_t *std, int isread)
|
|
{
|
|
if (!isread) {
|
|
bcopy(std->aux_data, KERNADDR(&std->aux_dma, 0), std->aux_len);
|
|
bus_dmamap_sync(std->aux_dma.block->tag,
|
|
std->aux_dma.block->map, BUS_DMASYNC_PREWRITE);
|
|
}
|
|
|
|
return (DMAADDR(&std->aux_dma, 0));
|
|
}
|
|
|
|
static void
|
|
uhci_aux_dma_complete(uhci_soft_td_t *std, int isread)
|
|
{
|
|
if (isread) {
|
|
bus_dmamap_sync(std->aux_dma.block->tag,
|
|
std->aux_dma.block->map, BUS_DMASYNC_POSTREAD);
|
|
bcopy(KERNADDR(&std->aux_dma, 0), std->aux_data, std->aux_len);
|
|
}
|
|
}
|
|
|
|
void
|
|
uhci_device_clear_toggle(usbd_pipe_handle pipe)
|
|
{
|
|
struct uhci_pipe *upipe = (struct uhci_pipe *)pipe;
|
|
upipe->nexttoggle = 0;
|
|
}
|
|
|
|
void
|
|
uhci_noop(usbd_pipe_handle pipe)
|
|
{
|
|
}
|
|
|
|
usbd_status
|
|
uhci_device_bulk_transfer(usbd_xfer_handle xfer)
|
|
{
|
|
usbd_status err;
|
|
|
|
/* Insert last in queue. */
|
|
err = usb_insert_transfer(xfer);
|
|
if (err)
|
|
return (err);
|
|
|
|
/*
|
|
* Pipe isn't running (otherwise err would be USBD_INPROG),
|
|
* so start it first.
|
|
*/
|
|
return (uhci_device_bulk_start(STAILQ_FIRST(&xfer->pipe->queue)));
|
|
}
|
|
|
|
usbd_status
|
|
uhci_device_bulk_start(usbd_xfer_handle xfer)
|
|
{
|
|
struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
|
|
usbd_device_handle dev = upipe->pipe.device;
|
|
uhci_softc_t *sc = (uhci_softc_t *)dev->bus;
|
|
uhci_intr_info_t *ii = &UXFER(xfer)->iinfo;
|
|
uhci_soft_td_t *data, *dataend;
|
|
uhci_soft_qh_t *sqh;
|
|
usbd_status err;
|
|
int len, isread, endpt;
|
|
int s;
|
|
|
|
DPRINTFN(3, ("uhci_device_bulk_start: xfer=%p len=%d flags=%d ii=%p\n",
|
|
xfer, xfer->length, xfer->flags, ii));
|
|
|
|
if (sc->sc_dying)
|
|
return (USBD_IOERROR);
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (xfer->rqflags & URQ_REQUEST)
|
|
panic("uhci_device_bulk_transfer: a request");
|
|
#endif
|
|
|
|
len = xfer->length;
|
|
endpt = upipe->pipe.endpoint->edesc->bEndpointAddress;
|
|
isread = UE_GET_DIR(endpt) == UE_DIR_IN;
|
|
sqh = upipe->u.bulk.sqh;
|
|
|
|
upipe->u.bulk.isread = isread;
|
|
upipe->u.bulk.length = len;
|
|
|
|
err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, xfer,
|
|
&data, &dataend);
|
|
if (err)
|
|
return (err);
|
|
dataend->td.td_status |= htole32(UHCI_TD_IOC);
|
|
|
|
#ifdef USB_DEBUG
|
|
if (uhcidebug > 8) {
|
|
DPRINTF(("uhci_device_bulk_transfer: data(1)\n"));
|
|
uhci_dump_tds(data);
|
|
}
|
|
#endif
|
|
|
|
/* Set up interrupt info. */
|
|
ii->xfer = xfer;
|
|
ii->stdstart = data;
|
|
ii->stdend = dataend;
|
|
#ifdef DIAGNOSTIC
|
|
if (!ii->isdone) {
|
|
printf("uhci_device_bulk_transfer: not done, ii=%p\n", ii);
|
|
}
|
|
ii->isdone = 0;
|
|
#endif
|
|
|
|
sqh->elink = data;
|
|
sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD);
|
|
|
|
s = splusb();
|
|
uhci_add_bulk(sc, sqh);
|
|
uhci_add_intr_info(sc, ii);
|
|
|
|
if (xfer->timeout && !sc->sc_bus.use_polling) {
|
|
usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout),
|
|
uhci_timeout, ii);
|
|
}
|
|
xfer->status = USBD_IN_PROGRESS;
|
|
splx(s);
|
|
|
|
#ifdef USB_DEBUG
|
|
if (uhcidebug > 10) {
|
|
DPRINTF(("uhci_device_bulk_transfer: data(2)\n"));
|
|
uhci_dump_tds(data);
|
|
}
|
|
#endif
|
|
|
|
if (sc->sc_bus.use_polling)
|
|
uhci_waitintr(sc, xfer);
|
|
|
|
return (USBD_IN_PROGRESS);
|
|
}
|
|
|
|
/* Abort a device bulk request. */
|
|
void
|
|
uhci_device_bulk_abort(usbd_xfer_handle xfer)
|
|
{
|
|
DPRINTF(("uhci_device_bulk_abort:\n"));
|
|
uhci_abort_xfer(xfer, USBD_CANCELLED);
|
|
}
|
|
|
|
/*
|
|
* Abort a device request.
|
|
* If this routine is called at splusb() it guarantees that the request
|
|
* will be removed from the hardware scheduling and that the callback
|
|
* for it will be called with USBD_CANCELLED status.
|
|
* It's impossible to guarantee that the requested transfer will not
|
|
* have happened since the hardware runs concurrently.
|
|
* If the transaction has already happened we rely on the ordinary
|
|
* interrupt processing to process it.
|
|
*/
|
|
void
|
|
uhci_abort_xfer(usbd_xfer_handle xfer, usbd_status status)
|
|
{
|
|
struct uhci_xfer *uxfer = UXFER(xfer);
|
|
uhci_intr_info_t *ii = &uxfer->iinfo;
|
|
struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
|
|
uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus;
|
|
uhci_soft_td_t *std;
|
|
int s;
|
|
|
|
DPRINTFN(1,("uhci_abort_xfer: xfer=%p, status=%d\n", xfer, status));
|
|
|
|
if (sc->sc_dying) {
|
|
/* If we're dying, just do the software part. */
|
|
s = splusb();
|
|
xfer->status = status; /* make software ignore it */
|
|
usb_uncallout(xfer->timeout_handle, uhci_timeout, xfer);
|
|
usb_rem_task(xfer->pipe->device, &UXFER(xfer)->abort_task);
|
|
uhci_transfer_complete(xfer);
|
|
splx(s);
|
|
return;
|
|
}
|
|
|
|
if (xfer->device->bus->intr_context || !curproc)
|
|
panic("uhci_abort_xfer: not in process context");
|
|
|
|
/*
|
|
* If an abort is already in progress then just wait for it to
|
|
* complete and return.
|
|
*/
|
|
if (uxfer->uhci_xfer_flags & UHCI_XFER_ABORTING) {
|
|
DPRINTFN(2, ("uhci_abort_xfer: already aborting\n"));
|
|
/* No need to wait if we're aborting from a timeout. */
|
|
if (status == USBD_TIMEOUT)
|
|
return;
|
|
/* Override the status which might be USBD_TIMEOUT. */
|
|
xfer->status = status;
|
|
DPRINTFN(2, ("uhci_abort_xfer: waiting for abort to finish\n"));
|
|
uxfer->uhci_xfer_flags |= UHCI_XFER_ABORTWAIT;
|
|
while (uxfer->uhci_xfer_flags & UHCI_XFER_ABORTING)
|
|
tsleep(&uxfer->uhci_xfer_flags, PZERO, "uhciaw", 0);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Step 1: Make interrupt routine and hardware ignore xfer.
|
|
*/
|
|
s = splusb();
|
|
uxfer->uhci_xfer_flags |= UHCI_XFER_ABORTING;
|
|
xfer->status = status; /* make software ignore it */
|
|
usb_uncallout(xfer->timeout_handle, uhci_timeout, ii);
|
|
usb_rem_task(xfer->pipe->device, &UXFER(xfer)->abort_task);
|
|
DPRINTFN(1,("uhci_abort_xfer: stop ii=%p\n", ii));
|
|
for (std = ii->stdstart; std != NULL; std = std->link.std)
|
|
std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC));
|
|
splx(s);
|
|
|
|
/*
|
|
* Step 2: Wait until we know hardware has finished any possible
|
|
* use of the xfer. Also make sure the soft interrupt routine
|
|
* has run.
|
|
*/
|
|
usb_delay_ms(upipe->pipe.device->bus, 2); /* Hardware finishes in 1ms */
|
|
s = splusb();
|
|
#ifdef USB_USE_SOFTINTR
|
|
sc->sc_softwake = 1;
|
|
#endif /* USB_USE_SOFTINTR */
|
|
usb_schedsoftintr(&sc->sc_bus);
|
|
#ifdef USB_USE_SOFTINTR
|
|
DPRINTFN(1,("uhci_abort_xfer: tsleep\n"));
|
|
tsleep(&sc->sc_softwake, PZERO, "uhciab", 0);
|
|
#endif /* USB_USE_SOFTINTR */
|
|
splx(s);
|
|
|
|
/*
|
|
* Step 3: Execute callback.
|
|
*/
|
|
DPRINTFN(1,("uhci_abort_xfer: callback\n"));
|
|
s = splusb();
|
|
#ifdef DIAGNOSTIC
|
|
ii->isdone = 1;
|
|
#endif
|
|
/* Do the wakeup first to avoid touching the xfer after the callback. */
|
|
uxfer->uhci_xfer_flags &= ~UHCI_XFER_ABORTING;
|
|
if (uxfer->uhci_xfer_flags & UHCI_XFER_ABORTWAIT) {
|
|
uxfer->uhci_xfer_flags &= ~UHCI_XFER_ABORTWAIT;
|
|
wakeup(&uxfer->uhci_xfer_flags);
|
|
}
|
|
uhci_transfer_complete(xfer);
|
|
splx(s);
|
|
}
|
|
|
|
/*
|
|
* Perform any UHCI-specific transfer completion operations, then
|
|
* call usb_transfer_complete().
|
|
*/
|
|
static void
|
|
uhci_transfer_complete(usbd_xfer_handle xfer)
|
|
{
|
|
uhci_intr_info_t *ii = &UXFER(xfer)->iinfo;
|
|
struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
|
|
uhci_soft_td_t *p;
|
|
int i, isread, n;
|
|
|
|
/* XXX, must be an easier way to detect reads... */
|
|
isread = ((xfer->rqflags & URQ_REQUEST) &&
|
|
(xfer->request.bmRequestType & UT_READ)) ||
|
|
(xfer->pipe->endpoint->edesc->bEndpointAddress & UE_DIR_IN);
|
|
|
|
/* Copy back from any auxillary buffers after a read operation. */
|
|
if (xfer->nframes == 0) {
|
|
for (p = ii->stdstart; p != NULL; p = p->link.std) {
|
|
if (p->aux_data != NULL)
|
|
uhci_aux_dma_complete(p, isread);
|
|
}
|
|
} else {
|
|
if (xfer->nframes != 0) {
|
|
/* Isoc transfer, do things differently. */
|
|
n = UXFER(xfer)->curframe;
|
|
for (i = 0; i < xfer->nframes; i++) {
|
|
p = upipe->u.iso.stds[n];
|
|
if (p->aux_data != NULL)
|
|
uhci_aux_dma_complete(p, isread);
|
|
if (++n >= UHCI_VFRAMELIST_COUNT)
|
|
n = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
usb_transfer_complete(xfer);
|
|
}
|
|
|
|
/* Close a device bulk pipe. */
|
|
void
|
|
uhci_device_bulk_close(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);
|
|
pipe->endpoint->savedtoggle = upipe->nexttoggle;
|
|
}
|
|
|
|
usbd_status
|
|
uhci_device_ctrl_transfer(usbd_xfer_handle xfer)
|
|
{
|
|
usbd_status err;
|
|
|
|
/* Insert last in queue. */
|
|
err = usb_insert_transfer(xfer);
|
|
if (err)
|
|
return (err);
|
|
|
|
/*
|
|
* Pipe isn't running (otherwise err would be USBD_INPROG),
|
|
* so start it first.
|
|
*/
|
|
return (uhci_device_ctrl_start(STAILQ_FIRST(&xfer->pipe->queue)));
|
|
}
|
|
|
|
usbd_status
|
|
uhci_device_ctrl_start(usbd_xfer_handle xfer)
|
|
{
|
|
uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus;
|
|
usbd_status err;
|
|
|
|
if (sc->sc_dying)
|
|
return (USBD_IOERROR);
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (!(xfer->rqflags & URQ_REQUEST))
|
|
panic("uhci_device_ctrl_transfer: not a request");
|
|
#endif
|
|
|
|
err = uhci_device_request(xfer);
|
|
if (err)
|
|
return (err);
|
|
|
|
if (sc->sc_bus.use_polling)
|
|
uhci_waitintr(sc, xfer);
|
|
return (USBD_IN_PROGRESS);
|
|
}
|
|
|
|
usbd_status
|
|
uhci_device_intr_transfer(usbd_xfer_handle xfer)
|
|
{
|
|
usbd_status err;
|
|
|
|
/* Insert last in queue. */
|
|
err = usb_insert_transfer(xfer);
|
|
if (err)
|
|
return (err);
|
|
|
|
/*
|
|
* Pipe isn't running (otherwise err would be USBD_INPROG),
|
|
* so start it first.
|
|
*/
|
|
return (uhci_device_intr_start(STAILQ_FIRST(&xfer->pipe->queue)));
|
|
}
|
|
|
|
usbd_status
|
|
uhci_device_intr_start(usbd_xfer_handle xfer)
|
|
{
|
|
struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
|
|
usbd_device_handle dev = upipe->pipe.device;
|
|
uhci_softc_t *sc = (uhci_softc_t *)dev->bus;
|
|
uhci_intr_info_t *ii = &UXFER(xfer)->iinfo;
|
|
uhci_soft_td_t *data, *dataend;
|
|
uhci_soft_qh_t *sqh;
|
|
usbd_status err;
|
|
int isread, endpt;
|
|
int i, s;
|
|
|
|
if (sc->sc_dying)
|
|
return (USBD_IOERROR);
|
|
|
|
DPRINTFN(3,("uhci_device_intr_transfer: xfer=%p len=%d flags=%d\n",
|
|
xfer, xfer->length, xfer->flags));
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (xfer->rqflags & URQ_REQUEST)
|
|
panic("uhci_device_intr_transfer: a request");
|
|
#endif
|
|
|
|
endpt = upipe->pipe.endpoint->edesc->bEndpointAddress;
|
|
isread = UE_GET_DIR(endpt) == UE_DIR_IN;
|
|
sqh = upipe->u.bulk.sqh;
|
|
|
|
upipe->u.intr.isread = isread;
|
|
|
|
err = uhci_alloc_std_chain(upipe, sc, xfer->length, isread, xfer->flags,
|
|
xfer, &data, &dataend);
|
|
if (err)
|
|
return (err);
|
|
dataend->td.td_status |= htole32(UHCI_TD_IOC);
|
|
|
|
#ifdef USB_DEBUG
|
|
if (uhcidebug > 10) {
|
|
DPRINTF(("uhci_device_intr_transfer: data(1)\n"));
|
|
uhci_dump_tds(data);
|
|
uhci_dump_qh(upipe->u.intr.qhs[0]);
|
|
}
|
|
#endif
|
|
|
|
s = splusb();
|
|
/* Set up interrupt info. */
|
|
ii->xfer = xfer;
|
|
ii->stdstart = data;
|
|
ii->stdend = dataend;
|
|
#ifdef DIAGNOSTIC
|
|
if (!ii->isdone) {
|
|
printf("uhci_device_intr_transfer: not done, ii=%p\n", ii);
|
|
}
|
|
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->elink = data;
|
|
sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD);
|
|
}
|
|
uhci_add_intr_info(sc, ii);
|
|
xfer->status = USBD_IN_PROGRESS;
|
|
splx(s);
|
|
|
|
#ifdef USB_DEBUG
|
|
if (uhcidebug > 10) {
|
|
DPRINTF(("uhci_device_intr_transfer: data(2)\n"));
|
|
uhci_dump_tds(data);
|
|
uhci_dump_qh(upipe->u.intr.qhs[0]);
|
|
}
|
|
#endif
|
|
|
|
return (USBD_IN_PROGRESS);
|
|
}
|
|
|
|
/* Abort a device control request. */
|
|
void
|
|
uhci_device_ctrl_abort(usbd_xfer_handle xfer)
|
|
{
|
|
DPRINTF(("uhci_device_ctrl_abort:\n"));
|
|
uhci_abort_xfer(xfer, USBD_CANCELLED);
|
|
}
|
|
|
|
/* Close a device control pipe. */
|
|
void
|
|
uhci_device_ctrl_close(usbd_pipe_handle pipe)
|
|
{
|
|
}
|
|
|
|
/* Abort a device interrupt request. */
|
|
void
|
|
uhci_device_intr_abort(usbd_xfer_handle xfer)
|
|
{
|
|
DPRINTFN(1,("uhci_device_intr_abort: xfer=%p\n", xfer));
|
|
if (xfer->pipe->intrxfer == xfer) {
|
|
DPRINTFN(1,("uhci_device_intr_abort: remove\n"));
|
|
xfer->pipe->intrxfer = NULL;
|
|
}
|
|
uhci_abort_xfer(xfer, USBD_CANCELLED);
|
|
}
|
|
|
|
/* Close a device interrupt pipe. */
|
|
void
|
|
uhci_device_intr_close(usbd_pipe_handle pipe)
|
|
{
|
|
struct uhci_pipe *upipe = (struct uhci_pipe *)pipe;
|
|
uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus;
|
|
int i, npoll;
|
|
int s;
|
|
|
|
/* Unlink descriptors from controller data structures. */
|
|
npoll = upipe->u.intr.npoll;
|
|
s = splusb();
|
|
for (i = 0; i < npoll; i++)
|
|
uhci_remove_intr(sc, upipe->u.intr.qhs[i]);
|
|
splx(s);
|
|
|
|
/*
|
|
* We now have to wait for any activity on the physical
|
|
* descriptors to stop.
|
|
*/
|
|
usb_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_USBHC);
|
|
|
|
/* XXX free other resources */
|
|
}
|
|
|
|
usbd_status
|
|
uhci_device_request(usbd_xfer_handle xfer)
|
|
{
|
|
struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
|
|
usb_device_request_t *req = &xfer->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 = &UXFER(xfer)->iinfo;
|
|
uhci_soft_td_t *setup, *data, *stat, *next, *dataend;
|
|
uhci_soft_qh_t *sqh;
|
|
int len;
|
|
u_int32_t ls;
|
|
usbd_status err;
|
|
int isread;
|
|
int s;
|
|
|
|
DPRINTFN(3,("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->speed == USB_SPEED_LOW ? 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;
|
|
|
|
/* Set up data transaction */
|
|
if (len != 0) {
|
|
upipe->nexttoggle = 1;
|
|
err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags,
|
|
xfer, &data, &dataend);
|
|
if (err)
|
|
return (err);
|
|
next = data;
|
|
dataend->link.std = stat;
|
|
dataend->td.td_link = htole32(stat->physaddr | UHCI_PTR_VF | UHCI_PTR_TD);
|
|
} else {
|
|
next = stat;
|
|
}
|
|
upipe->u.ctl.length = len;
|
|
|
|
memcpy(KERNADDR(&upipe->u.ctl.reqdma, 0), req, sizeof *req);
|
|
|
|
setup->link.std = next;
|
|
setup->td.td_link = htole32(next->physaddr | UHCI_PTR_VF | UHCI_PTR_TD);
|
|
setup->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls |
|
|
UHCI_TD_ACTIVE);
|
|
setup->td.td_token = htole32(UHCI_TD_SETUP(sizeof *req, endpt, addr));
|
|
setup->td.td_buffer = htole32(DMAADDR(&upipe->u.ctl.reqdma, 0));
|
|
|
|
stat->link.std = NULL;
|
|
stat->td.td_link = htole32(UHCI_PTR_T);
|
|
stat->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls |
|
|
UHCI_TD_ACTIVE | UHCI_TD_IOC);
|
|
stat->td.td_token =
|
|
htole32(isread ? UHCI_TD_OUT(0, endpt, addr, 1) :
|
|
UHCI_TD_IN (0, endpt, addr, 1));
|
|
stat->td.td_buffer = htole32(0);
|
|
|
|
#ifdef USB_DEBUG
|
|
if (uhcidebug > 10) {
|
|
DPRINTF(("uhci_device_request: before transfer\n"));
|
|
uhci_dump_tds(setup);
|
|
}
|
|
#endif
|
|
|
|
/* Set up interrupt info. */
|
|
ii->xfer = xfer;
|
|
ii->stdstart = setup;
|
|
ii->stdend = stat;
|
|
#ifdef DIAGNOSTIC
|
|
if (!ii->isdone) {
|
|
printf("uhci_device_request: not done, ii=%p\n", ii);
|
|
}
|
|
ii->isdone = 0;
|
|
#endif
|
|
|
|
sqh->elink = setup;
|
|
sqh->qh.qh_elink = htole32(setup->physaddr | UHCI_PTR_TD);
|
|
|
|
s = splusb();
|
|
if (dev->speed == USB_SPEED_LOW)
|
|
uhci_add_ls_ctrl(sc, sqh);
|
|
else
|
|
uhci_add_hs_ctrl(sc, sqh);
|
|
uhci_add_intr_info(sc, ii);
|
|
#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;
|
|
DPRINTF(("uhci_enter_ctl_q: follow from [0]\n"));
|
|
for (std = sc->sc_vframes[0].htd, link = 0;
|
|
(link & UHCI_PTR_QH) == 0;
|
|
std = std->link.std) {
|
|
link = le32toh(std->td.td_link);
|
|
uhci_dump_td(std);
|
|
}
|
|
sxqh = (uhci_soft_qh_t *)std;
|
|
uhci_dump_qh(sxqh);
|
|
for (xqh = sxqh;
|
|
xqh != NULL;
|
|
xqh = (maxqh++ == 5 || xqh->hlink == sxqh ||
|
|
xqh->hlink == xqh ? NULL : xqh->hlink)) {
|
|
uhci_dump_qh(xqh);
|
|
}
|
|
DPRINTF(("Enqueued QH:\n"));
|
|
uhci_dump_qh(sqh);
|
|
uhci_dump_tds(sqh->elink);
|
|
}
|
|
#endif
|
|
if (xfer->timeout && !sc->sc_bus.use_polling) {
|
|
usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout),
|
|
uhci_timeout, ii);
|
|
}
|
|
xfer->status = USBD_IN_PROGRESS;
|
|
splx(s);
|
|
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
usbd_status
|
|
uhci_device_isoc_transfer(usbd_xfer_handle xfer)
|
|
{
|
|
usbd_status err;
|
|
|
|
DPRINTFN(5,("uhci_device_isoc_transfer: xfer=%p\n", xfer));
|
|
|
|
/* Put it on our queue, */
|
|
err = usb_insert_transfer(xfer);
|
|
|
|
/* bail out on error, */
|
|
if (err && err != USBD_IN_PROGRESS)
|
|
return (err);
|
|
|
|
/* XXX should check inuse here */
|
|
|
|
/* insert into schedule, */
|
|
uhci_device_isoc_enter(xfer);
|
|
|
|
/* and start if the pipe wasn't running */
|
|
if (!err)
|
|
uhci_device_isoc_start(STAILQ_FIRST(&xfer->pipe->queue));
|
|
|
|
return (err);
|
|
}
|
|
|
|
void
|
|
uhci_device_isoc_enter(usbd_xfer_handle xfer)
|
|
{
|
|
struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
|
|
usbd_device_handle dev = upipe->pipe.device;
|
|
uhci_softc_t *sc = (uhci_softc_t *)dev->bus;
|
|
struct iso *iso = &upipe->u.iso;
|
|
uhci_soft_td_t *std;
|
|
void *dataptr;
|
|
u_int32_t len, status;
|
|
int err, s, i, isread, next, nframes, seg, segoff;
|
|
|
|
DPRINTFN(5,("uhci_device_isoc_enter: used=%d next=%d xfer=%p "
|
|
"nframes=%d\n",
|
|
iso->inuse, iso->next, xfer, xfer->nframes));
|
|
|
|
if (sc->sc_dying)
|
|
return;
|
|
|
|
if (xfer->status == USBD_IN_PROGRESS) {
|
|
/* This request has already been entered into the frame list */
|
|
printf("uhci_device_isoc_enter: xfer=%p in frame list\n", xfer);
|
|
/* XXX */
|
|
}
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (iso->inuse >= UHCI_VFRAMELIST_COUNT)
|
|
printf("uhci_device_isoc_enter: overflow!\n");
|
|
#endif
|
|
|
|
next = iso->next;
|
|
if (next == -1) {
|
|
/* Not in use yet, schedule it a few frames ahead. */
|
|
next = (UREAD2(sc, UHCI_FRNUM) + 3) % UHCI_VFRAMELIST_COUNT;
|
|
DPRINTFN(2,("uhci_device_isoc_enter: start next=%d\n", next));
|
|
}
|
|
|
|
xfer->status = USBD_IN_PROGRESS;
|
|
UXFER(xfer)->curframe = next;
|
|
|
|
seg = 0;
|
|
segoff = 0;
|
|
dataptr = xfer->allocbuf; /* Normal buffers not possible for isoc? */
|
|
isread = xfer->pipe->endpoint->edesc->bEndpointAddress & UE_DIR_IN;
|
|
status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(0) |
|
|
UHCI_TD_ACTIVE |
|
|
UHCI_TD_IOS);
|
|
nframes = xfer->nframes;
|
|
s = splusb();
|
|
for (i = 0; i < nframes; i++) {
|
|
std = iso->stds[next];
|
|
if (++next >= UHCI_VFRAMELIST_COUNT)
|
|
next = 0;
|
|
len = xfer->frlengths[i];
|
|
KASSERT(seg < xfer->dmamap.nsegs,
|
|
("uhci_device_isoc_enter: too few segments"));
|
|
if (len + segoff > xfer->dmamap.segs[seg].ds_len) {
|
|
/* UHCI can't handle non-contiguous data. */
|
|
err = uhci_aux_dma_alloc(sc, std, dataptr, len);
|
|
/* XXX */
|
|
if (err)
|
|
printf("uhci_device_isoc_enter: aux alloc\n");
|
|
std->td.td_buffer = htole32(uhci_aux_dma_prepare(std,
|
|
isread));
|
|
segoff += len;
|
|
while (segoff >= xfer->dmamap.segs[seg].ds_len) {
|
|
KASSERT(seg < xfer->dmamap.nsegs - 1 ||
|
|
segoff == xfer->dmamap.segs[seg].ds_len,
|
|
("uhci_device_isoc_enter: overlap2"));
|
|
segoff -= xfer->dmamap.segs[seg].ds_len;
|
|
seg++;
|
|
}
|
|
} else {
|
|
std->td.td_buffer =
|
|
htole32(xfer->dmamap.segs[seg].ds_addr + segoff);
|
|
segoff += len;
|
|
if (segoff >= xfer->dmamap.segs[seg].ds_len) {
|
|
KASSERT(segoff == xfer->dmamap.segs[seg].ds_len,
|
|
("uhci_device_isoc_enter: overlap"));
|
|
segoff = 0;
|
|
seg++;
|
|
}
|
|
}
|
|
if (i == nframes - 1)
|
|
status |= UHCI_TD_IOC;
|
|
std->td.td_status = htole32(status);
|
|
std->td.td_token &= htole32(~UHCI_TD_MAXLEN_MASK);
|
|
std->td.td_token |= htole32(UHCI_TD_SET_MAXLEN(len));
|
|
#ifdef USB_DEBUG
|
|
if (uhcidebug > 5) {
|
|
DPRINTFN(5,("uhci_device_isoc_enter: TD %d\n", i));
|
|
uhci_dump_td(std);
|
|
}
|
|
#endif
|
|
dataptr = (char *)dataptr + len;
|
|
}
|
|
iso->next = next;
|
|
iso->inuse += xfer->nframes;
|
|
|
|
splx(s);
|
|
}
|
|
|
|
usbd_status
|
|
uhci_device_isoc_start(usbd_xfer_handle xfer)
|
|
{
|
|
struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
|
|
uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus;
|
|
uhci_intr_info_t *ii = &UXFER(xfer)->iinfo;
|
|
uhci_soft_td_t *end;
|
|
int s, i;
|
|
|
|
DPRINTFN(5,("uhci_device_isoc_start: xfer=%p\n", xfer));
|
|
|
|
if (sc->sc_dying)
|
|
return (USBD_IOERROR);
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (xfer->status != USBD_IN_PROGRESS)
|
|
printf("uhci_device_isoc_start: not in progress %p\n", xfer);
|
|
#endif
|
|
|
|
/* Find the last TD */
|
|
i = UXFER(xfer)->curframe + xfer->nframes;
|
|
if (i >= UHCI_VFRAMELIST_COUNT)
|
|
i -= UHCI_VFRAMELIST_COUNT;
|
|
end = upipe->u.iso.stds[i];
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (end == NULL) {
|
|
printf("uhci_device_isoc_start: end == NULL\n");
|
|
return (USBD_INVAL);
|
|
}
|
|
#endif
|
|
|
|
s = splusb();
|
|
|
|
/* Set up interrupt info. */
|
|
ii->xfer = xfer;
|
|
ii->stdstart = end;
|
|
ii->stdend = end;
|
|
#ifdef DIAGNOSTIC
|
|
if (!ii->isdone)
|
|
printf("uhci_device_isoc_start: not done, ii=%p\n", ii);
|
|
ii->isdone = 0;
|
|
#endif
|
|
uhci_add_intr_info(sc, ii);
|
|
|
|
splx(s);
|
|
|
|
return (USBD_IN_PROGRESS);
|
|
}
|
|
|
|
void
|
|
uhci_device_isoc_abort(usbd_xfer_handle xfer)
|
|
{
|
|
struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
|
|
uhci_soft_td_t **stds = upipe->u.iso.stds;
|
|
uhci_soft_td_t *std;
|
|
int i, n, s, nframes, maxlen, len;
|
|
|
|
s = splusb();
|
|
|
|
/* Transfer is already done. */
|
|
if (xfer->status != USBD_NOT_STARTED &&
|
|
xfer->status != USBD_IN_PROGRESS) {
|
|
splx(s);
|
|
return;
|
|
}
|
|
|
|
/* Give xfer the requested abort code. */
|
|
xfer->status = USBD_CANCELLED;
|
|
|
|
/* make hardware ignore it, */
|
|
nframes = xfer->nframes;
|
|
n = UXFER(xfer)->curframe;
|
|
maxlen = 0;
|
|
for (i = 0; i < nframes; i++) {
|
|
std = stds[n];
|
|
std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC));
|
|
len = UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token));
|
|
if (len > maxlen)
|
|
maxlen = len;
|
|
if (++n >= UHCI_VFRAMELIST_COUNT)
|
|
n = 0;
|
|
}
|
|
|
|
/* and wait until we are sure the hardware has finished. */
|
|
delay(maxlen);
|
|
|
|
#ifdef DIAGNOSTIC
|
|
UXFER(xfer)->iinfo.isdone = 1;
|
|
#endif
|
|
/* Run callback and remove from interrupt list. */
|
|
uhci_transfer_complete(xfer);
|
|
|
|
splx(s);
|
|
}
|
|
|
|
void
|
|
uhci_device_isoc_close(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_soft_td_t *std, *vstd;
|
|
struct iso *iso;
|
|
int i, s;
|
|
|
|
/*
|
|
* Make sure all TDs are marked as inactive.
|
|
* Wait for completion.
|
|
* Unschedule.
|
|
* Deallocate.
|
|
*/
|
|
iso = &upipe->u.iso;
|
|
|
|
for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++)
|
|
iso->stds[i]->td.td_status &= htole32(~UHCI_TD_ACTIVE);
|
|
usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */
|
|
|
|
s = splusb();
|
|
for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) {
|
|
std = iso->stds[i];
|
|
for (vstd = sc->sc_vframes[i].htd;
|
|
vstd != NULL && vstd->link.std != std;
|
|
vstd = vstd->link.std)
|
|
;
|
|
if (vstd == NULL) {
|
|
/*panic*/
|
|
printf("uhci_device_isoc_close: %p not found\n", std);
|
|
splx(s);
|
|
return;
|
|
}
|
|
vstd->link = std->link;
|
|
vstd->td.td_link = std->td.td_link;
|
|
uhci_free_std(sc, std);
|
|
}
|
|
splx(s);
|
|
|
|
free(iso->stds, M_USBHC);
|
|
}
|
|
|
|
usbd_status
|
|
uhci_setup_isoc(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;
|
|
int addr = upipe->pipe.device->address;
|
|
int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress;
|
|
int rd = UE_GET_DIR(endpt) == UE_DIR_IN;
|
|
uhci_soft_td_t *std, *vstd;
|
|
u_int32_t token;
|
|
struct iso *iso;
|
|
int i, s;
|
|
|
|
iso = &upipe->u.iso;
|
|
iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *),
|
|
M_USBHC, M_WAITOK);
|
|
|
|
token = rd ? UHCI_TD_IN (0, endpt, addr, 0) :
|
|
UHCI_TD_OUT(0, endpt, addr, 0);
|
|
|
|
/* Allocate the TDs and mark as inactive; */
|
|
for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) {
|
|
std = uhci_alloc_std(sc);
|
|
if (std == 0)
|
|
goto bad;
|
|
std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */
|
|
std->td.td_token = htole32(token);
|
|
iso->stds[i] = std;
|
|
}
|
|
|
|
/* Insert TDs into schedule. */
|
|
s = splusb();
|
|
for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) {
|
|
std = iso->stds[i];
|
|
vstd = sc->sc_vframes[i].htd;
|
|
std->link = vstd->link;
|
|
std->td.td_link = vstd->td.td_link;
|
|
vstd->link.std = std;
|
|
vstd->td.td_link = htole32(std->physaddr | UHCI_PTR_TD);
|
|
}
|
|
splx(s);
|
|
|
|
iso->next = -1;
|
|
iso->inuse = 0;
|
|
|
|
return (USBD_NORMAL_COMPLETION);
|
|
|
|
bad:
|
|
while (--i >= 0)
|
|
uhci_free_std(sc, iso->stds[i]);
|
|
free(iso->stds, M_USBHC);
|
|
return (USBD_NOMEM);
|
|
}
|
|
|
|
void
|
|
uhci_device_isoc_done(usbd_xfer_handle xfer)
|
|
{
|
|
uhci_intr_info_t *ii = &UXFER(xfer)->iinfo;
|
|
|
|
DPRINTFN(4, ("uhci_isoc_done: length=%d\n", xfer->actlen));
|
|
|
|
if (ii->xfer != xfer)
|
|
/* Not on interrupt list, ignore it. */
|
|
return;
|
|
|
|
if (!uhci_active_intr_info(ii))
|
|
return;
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (xfer->busy_free != XFER_BUSY) {
|
|
printf("uhci_device_isoc_done: xfer=%p not busy 0x%08x\n",
|
|
xfer, xfer->busy_free);
|
|
return;
|
|
}
|
|
|
|
if (ii->stdend == NULL) {
|
|
printf("uhci_device_isoc_done: xfer=%p stdend==NULL\n", xfer);
|
|
#ifdef USB_DEBUG
|
|
uhci_dump_ii(ii);
|
|
#endif
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
/* Turn off the interrupt since it is active even if the TD is not. */
|
|
ii->stdend->td.td_status &= htole32(~UHCI_TD_IOC);
|
|
|
|
uhci_del_intr_info(ii); /* remove from active list */
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (ii->stdend == NULL) {
|
|
printf("uhci_device_isoc_done: xfer=%p stdend==NULL\n", xfer);
|
|
#ifdef USB_DEBUG
|
|
uhci_dump_ii(ii);
|
|
#endif
|
|
return;
|
|
}
|
|
#endif
|
|
ii->stdstart = NULL;
|
|
ii->stdend = NULL;
|
|
}
|
|
|
|
void
|
|
uhci_device_intr_done(usbd_xfer_handle xfer)
|
|
{
|
|
uhci_intr_info_t *ii = &UXFER(xfer)->iinfo;
|
|
uhci_softc_t *sc = ii->sc;
|
|
struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
|
|
uhci_soft_qh_t *sqh;
|
|
int i, npoll;
|
|
|
|
DPRINTFN(5, ("uhci_device_intr_done: length=%d\n", xfer->actlen));
|
|
|
|
npoll = upipe->u.intr.npoll;
|
|
for(i = 0; i < npoll; i++) {
|
|
sqh = upipe->u.intr.qhs[i];
|
|
sqh->elink = NULL;
|
|
sqh->qh.qh_elink = htole32(UHCI_PTR_T);
|
|
}
|
|
uhci_free_std_chain(sc, ii->stdstart, NULL);
|
|
|
|
/* XXX Wasteful. */
|
|
if (xfer->pipe->repeat) {
|
|
uhci_soft_td_t *data, *dataend;
|
|
|
|
DPRINTFN(5,("uhci_device_intr_done: requeing\n"));
|
|
|
|
/* This alloc cannot fail since we freed the chain above. */
|
|
uhci_alloc_std_chain(upipe, sc, xfer->length,
|
|
upipe->u.intr.isread, xfer->flags, xfer,
|
|
&data, &dataend);
|
|
dataend->td.td_status |= htole32(UHCI_TD_IOC);
|
|
|
|
#ifdef USB_DEBUG
|
|
if (uhcidebug > 10) {
|
|
DPRINTF(("uhci_device_intr_done: data(1)\n"));
|
|
uhci_dump_tds(data);
|
|
uhci_dump_qh(upipe->u.intr.qhs[0]);
|
|
}
|
|
#endif
|
|
|
|
ii->stdstart = data;
|
|
ii->stdend = dataend;
|
|
#ifdef DIAGNOSTIC
|
|
if (!ii->isdone) {
|
|
printf("uhci_device_intr_done: not done, ii=%p\n", ii);
|
|
}
|
|
ii->isdone = 0;
|
|
#endif
|
|
for (i = 0; i < npoll; i++) {
|
|
sqh = upipe->u.intr.qhs[i];
|
|
sqh->elink = data;
|
|
sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD);
|
|
}
|
|
xfer->status = USBD_IN_PROGRESS;
|
|
/* The ii is already on the examined list, just leave it. */
|
|
} else {
|
|
DPRINTFN(5,("uhci_device_intr_done: removing\n"));
|
|
if (uhci_active_intr_info(ii)) {
|
|
uhci_del_intr_info(ii);
|
|
ii->stdstart = NULL;
|
|
ii->stdend = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Deallocate request data structures */
|
|
void
|
|
uhci_device_ctrl_done(usbd_xfer_handle xfer)
|
|
{
|
|
uhci_intr_info_t *ii = &UXFER(xfer)->iinfo;
|
|
uhci_softc_t *sc = ii->sc;
|
|
struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (!(xfer->rqflags & URQ_REQUEST))
|
|
panic("uhci_device_ctrl_done: not a request");
|
|
#endif
|
|
|
|
if (!uhci_active_intr_info(ii))
|
|
return;
|
|
|
|
uhci_del_intr_info(ii); /* remove from active list */
|
|
|
|
if (upipe->pipe.device->speed == USB_SPEED_LOW)
|
|
uhci_remove_ls_ctrl(sc, upipe->u.ctl.sqh);
|
|
else
|
|
uhci_remove_hs_ctrl(sc, upipe->u.ctl.sqh);
|
|
|
|
if (upipe->u.ctl.length != 0)
|
|
uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend);
|
|
ii->stdstart = NULL;
|
|
ii->stdend = NULL;
|
|
|
|
DPRINTFN(5, ("uhci_device_ctrl_done: length=%d\n", xfer->actlen));
|
|
}
|
|
|
|
/* Deallocate request data structures */
|
|
void
|
|
uhci_device_bulk_done(usbd_xfer_handle xfer)
|
|
{
|
|
uhci_intr_info_t *ii = &UXFER(xfer)->iinfo;
|
|
uhci_softc_t *sc = ii->sc;
|
|
struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
|
|
|
|
DPRINTFN(5,("uhci_device_bulk_done: xfer=%p ii=%p sc=%p upipe=%p\n",
|
|
xfer, ii, sc, upipe));
|
|
|
|
if (!uhci_active_intr_info(ii))
|
|
return;
|
|
|
|
uhci_del_intr_info(ii); /* remove from active list */
|
|
|
|
uhci_remove_bulk(sc, upipe->u.bulk.sqh);
|
|
|
|
uhci_free_std_chain(sc, ii->stdstart, NULL);
|
|
ii->stdstart = NULL;
|
|
ii->stdend = NULL;
|
|
|
|
DPRINTFN(5, ("uhci_device_bulk_done: length=%d\n", xfer->actlen));
|
|
}
|
|
|
|
/* Add interrupt QH, called with vflock. */
|
|
void
|
|
uhci_add_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh)
|
|
{
|
|
struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos];
|
|
uhci_soft_qh_t *eqh;
|
|
|
|
DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", sqh->pos, sqh));
|
|
|
|
eqh = vf->eqh;
|
|
sqh->hlink = eqh->hlink;
|
|
sqh->qh.qh_hlink = eqh->qh.qh_hlink;
|
|
eqh->hlink = sqh;
|
|
eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH);
|
|
vf->eqh = sqh;
|
|
vf->bandwidth++;
|
|
}
|
|
|
|
/* Remove interrupt QH. */
|
|
void
|
|
uhci_remove_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh)
|
|
{
|
|
struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos];
|
|
uhci_soft_qh_t *pqh;
|
|
|
|
DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", sqh->pos, sqh));
|
|
|
|
/* See comment in uhci_remove_ctrl() */
|
|
if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) {
|
|
sqh->qh.qh_elink = htole32(UHCI_PTR_T);
|
|
delay(UHCI_QH_REMOVE_DELAY);
|
|
}
|
|
|
|
pqh = uhci_find_prev_qh(vf->hqh, sqh);
|
|
pqh->hlink = sqh->hlink;
|
|
pqh->qh.qh_hlink = sqh->qh.qh_hlink;
|
|
delay(UHCI_QH_REMOVE_DELAY);
|
|
if (vf->eqh == sqh)
|
|
vf->eqh = pqh;
|
|
vf->bandwidth--;
|
|
}
|
|
|
|
usbd_status
|
|
uhci_device_setintr(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_device_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_device_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_USBHC, 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_device_setintr: bw=%d offs=%d\n", bestbw, bestoffs));
|
|
|
|
for(i = 0; i < npoll; i++) {
|
|
upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc);
|
|
sqh->elink = NULL;
|
|
sqh->qh.qh_elink = htole32(UHCI_PTR_T);
|
|
sqh->pos = MOD(i * ival + bestoffs);
|
|
}
|
|
#undef MOD
|
|
|
|
s = splusb();
|
|
/* Enter QHs into the controller data structures. */
|
|
for(i = 0; i < npoll; i++)
|
|
uhci_add_intr(sc, upipe->u.intr.qhs[i]);
|
|
splx(s);
|
|
|
|
DPRINTFN(5, ("uhci_device_setintr: returns %p\n", upipe));
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
/* Open a new pipe. */
|
|
usbd_status
|
|
uhci_open(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 err;
|
|
int ival;
|
|
|
|
DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n",
|
|
pipe, pipe->device->address,
|
|
ed->bEndpointAddress, sc->sc_addr));
|
|
|
|
upipe->aborting = 0;
|
|
upipe->nexttoggle = pipe->endpoint->savedtoggle;
|
|
|
|
if (pipe->device->address == sc->sc_addr) {
|
|
switch (ed->bEndpointAddress) {
|
|
case USB_CONTROL_ENDPOINT:
|
|
pipe->methods = &uhci_root_ctrl_methods;
|
|
break;
|
|
case UE_DIR_IN | UHCI_INTR_ENDPT:
|
|
pipe->methods = &uhci_root_intr_methods;
|
|
break;
|
|
default:
|
|
return (USBD_INVAL);
|
|
}
|
|
} else {
|
|
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 == NULL)
|
|
goto bad;
|
|
upipe->u.ctl.setup = uhci_alloc_std(sc);
|
|
if (upipe->u.ctl.setup == NULL) {
|
|
uhci_free_sqh(sc, upipe->u.ctl.sqh);
|
|
goto bad;
|
|
}
|
|
upipe->u.ctl.stat = uhci_alloc_std(sc);
|
|
if (upipe->u.ctl.stat == NULL) {
|
|
uhci_free_sqh(sc, upipe->u.ctl.sqh);
|
|
uhci_free_std(sc, upipe->u.ctl.setup);
|
|
goto bad;
|
|
}
|
|
err = usb_allocmem(&sc->sc_bus,
|
|
sizeof(usb_device_request_t),
|
|
0, &upipe->u.ctl.reqdma);
|
|
if (err) {
|
|
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;
|
|
ival = pipe->interval;
|
|
if (ival == USBD_DEFAULT_INTERVAL)
|
|
ival = ed->bInterval;
|
|
return (uhci_device_setintr(sc, upipe, ival));
|
|
case UE_ISOCHRONOUS:
|
|
pipe->methods = &uhci_device_isoc_methods;
|
|
return (uhci_setup_isoc(pipe));
|
|
case UE_BULK:
|
|
pipe->methods = &uhci_device_bulk_methods;
|
|
upipe->u.bulk.sqh = uhci_alloc_sqh(sc);
|
|
if (upipe->u.bulk.sqh == NULL)
|
|
goto bad;
|
|
break;
|
|
}
|
|
}
|
|
return (USBD_NORMAL_COMPLETION);
|
|
|
|
bad:
|
|
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 */
|
|
UDCLASS_HUB, /* class */
|
|
UDSUBCLASS_HUB, /* subclass */
|
|
UDPROTO_FSHUB, /* 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,
|
|
UICLASS_HUB,
|
|
UISUBCLASS_HUB,
|
|
UIPROTO_FSHUB,
|
|
0
|
|
};
|
|
|
|
usb_endpoint_descriptor_t uhci_endpd = {
|
|
USB_ENDPOINT_DESCRIPTOR_SIZE,
|
|
UDESC_ENDPOINT,
|
|
UE_DIR_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 */
|
|
};
|
|
|
|
int
|
|
uhci_str(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);
|
|
}
|
|
|
|
/*
|
|
* The USB hub protocol requires that SET_FEATURE(PORT_RESET) also
|
|
* enables the port, and also states that SET_FEATURE(PORT_ENABLE)
|
|
* should not be used by the USB subsystem. As we cannot issue a
|
|
* SET_FEATURE(PORT_ENABLE) externally, we must ensure that the port
|
|
* will be enabled as part of the reset.
|
|
*
|
|
* On the VT83C572, the port cannot be successfully enabled until the
|
|
* outstanding "port enable change" and "connection status change"
|
|
* events have been reset.
|
|
*/
|
|
static usbd_status
|
|
uhci_portreset(uhci_softc_t *sc, int index)
|
|
{
|
|
int lim, port, x;
|
|
|
|
if (index == 1)
|
|
port = UHCI_PORTSC1;
|
|
else if (index == 2)
|
|
port = UHCI_PORTSC2;
|
|
else
|
|
return (USBD_IOERROR);
|
|
|
|
x = URWMASK(UREAD2(sc, port));
|
|
UWRITE2(sc, port, x | UHCI_PORTSC_PR);
|
|
|
|
usb_delay_ms(&sc->sc_bus, USB_PORT_ROOT_RESET_DELAY);
|
|
|
|
DPRINTFN(3,("uhci port %d reset, status0 = 0x%04x\n",
|
|
index, UREAD2(sc, port)));
|
|
|
|
x = URWMASK(UREAD2(sc, port));
|
|
UWRITE2(sc, port, x & ~UHCI_PORTSC_PR);
|
|
|
|
delay(100);
|
|
|
|
DPRINTFN(3,("uhci port %d reset, status1 = 0x%04x\n",
|
|
index, UREAD2(sc, port)));
|
|
|
|
x = URWMASK(UREAD2(sc, port));
|
|
UWRITE2(sc, port, x | UHCI_PORTSC_PE);
|
|
|
|
for (lim = 10; --lim > 0;) {
|
|
usb_delay_ms(&sc->sc_bus, USB_PORT_RESET_DELAY);
|
|
|
|
x = UREAD2(sc, port);
|
|
|
|
DPRINTFN(3,("uhci port %d iteration %u, status = 0x%04x\n",
|
|
index, lim, x));
|
|
|
|
if (!(x & UHCI_PORTSC_CCS)) {
|
|
/*
|
|
* No device is connected (or was disconnected
|
|
* during reset). Consider the port reset.
|
|
* The delay must be long enough to ensure on
|
|
* the initial iteration that the device
|
|
* connection will have been registered. 50ms
|
|
* appears to be sufficient, but 20ms is not.
|
|
*/
|
|
DPRINTFN(3,("uhci port %d loop %u, device detached\n",
|
|
index, lim));
|
|
break;
|
|
}
|
|
|
|
if (x & (UHCI_PORTSC_POEDC | UHCI_PORTSC_CSC)) {
|
|
/*
|
|
* Port enabled changed and/or connection
|
|
* status changed were set. Reset either or
|
|
* both raised flags (by writing a 1 to that
|
|
* bit), and wait again for state to settle.
|
|
*/
|
|
UWRITE2(sc, port, URWMASK(x) |
|
|
(x & (UHCI_PORTSC_POEDC | UHCI_PORTSC_CSC)));
|
|
continue;
|
|
}
|
|
|
|
if (x & UHCI_PORTSC_PE)
|
|
/* Port is enabled */
|
|
break;
|
|
|
|
UWRITE2(sc, port, URWMASK(x) | UHCI_PORTSC_PE);
|
|
}
|
|
|
|
DPRINTFN(3,("uhci port %d reset, status2 = 0x%04x\n",
|
|
index, UREAD2(sc, port)));
|
|
|
|
if (lim <= 0) {
|
|
DPRINTFN(1,("uhci port %d reset timed out\n", index));
|
|
return (USBD_TIMEOUT);
|
|
}
|
|
|
|
sc->sc_isreset = 1;
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
/*
|
|
* Simulate a hardware hub by handling all the necessary requests.
|
|
*/
|
|
usbd_status
|
|
uhci_root_ctrl_transfer(usbd_xfer_handle xfer)
|
|
{
|
|
usbd_status err;
|
|
|
|
/* Insert last in queue. */
|
|
err = usb_insert_transfer(xfer);
|
|
if (err)
|
|
return (err);
|
|
|
|
/*
|
|
* Pipe isn't running (otherwise err would be USBD_INPROG),
|
|
* so start it first.
|
|
*/
|
|
return (uhci_root_ctrl_start(STAILQ_FIRST(&xfer->pipe->queue)));
|
|
}
|
|
|
|
usbd_status
|
|
uhci_root_ctrl_start(usbd_xfer_handle xfer)
|
|
{
|
|
uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus;
|
|
usb_device_request_t *req;
|
|
void *buf = NULL;
|
|
int port, x;
|
|
int s, len, value, index, status, change, l, totlen = 0;
|
|
usb_port_status_t ps;
|
|
usbd_status err;
|
|
|
|
if (sc->sc_dying)
|
|
return (USBD_IOERROR);
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (!(xfer->rqflags & URQ_REQUEST))
|
|
panic("uhci_root_ctrl_transfer: not a request");
|
|
#endif
|
|
req = &xfer->request;
|
|
|
|
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);
|
|
|
|
if (len != 0)
|
|
buf = xfer->buffer;
|
|
|
|
#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(2,("uhci_root_ctrl_control wValue=0x%04x\n", value));
|
|
switch(value >> 8) {
|
|
case UDESC_DEVICE:
|
|
if ((value & 0xff) != 0) {
|
|
err = USBD_IOERROR;
|
|
goto ret;
|
|
}
|
|
totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE);
|
|
USETW(uhci_devd.idVendor, sc->sc_id_vendor);
|
|
memcpy(buf, &uhci_devd, l);
|
|
break;
|
|
case UDESC_CONFIG:
|
|
if ((value & 0xff) != 0) {
|
|
err = 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:
|
|
err = 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) {
|
|
err = USBD_IOERROR;
|
|
goto ret;
|
|
}
|
|
sc->sc_addr = value;
|
|
break;
|
|
case C(UR_SET_CONFIG, UT_WRITE_DEVICE):
|
|
if (value != 0 && value != 1) {
|
|
err = 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):
|
|
err = 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 {
|
|
err = USBD_IOERROR;
|
|
goto ret;
|
|
}
|
|
switch(value) {
|
|
case UHF_PORT_ENABLE:
|
|
x = URWMASK(UREAD2(sc, port));
|
|
UWRITE2(sc, port, x & ~UHCI_PORTSC_PE);
|
|
break;
|
|
case UHF_PORT_SUSPEND:
|
|
x = URWMASK(UREAD2(sc, port));
|
|
UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP);
|
|
break;
|
|
case UHF_PORT_RESET:
|
|
x = URWMASK(UREAD2(sc, port));
|
|
UWRITE2(sc, port, x & ~UHCI_PORTSC_PR);
|
|
break;
|
|
case UHF_C_PORT_CONNECTION:
|
|
x = URWMASK(UREAD2(sc, port));
|
|
UWRITE2(sc, port, x | UHCI_PORTSC_CSC);
|
|
break;
|
|
case UHF_C_PORT_ENABLE:
|
|
x = URWMASK(UREAD2(sc, port));
|
|
UWRITE2(sc, port, x | UHCI_PORTSC_POEDC);
|
|
break;
|
|
case UHF_C_PORT_OVER_CURRENT:
|
|
x = URWMASK(UREAD2(sc, port));
|
|
UWRITE2(sc, port, x | UHCI_PORTSC_OCIC);
|
|
break;
|
|
case UHF_C_PORT_RESET:
|
|
sc->sc_isreset = 0;
|
|
err = 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:
|
|
err = 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 {
|
|
err = 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 & 0xff) != 0) {
|
|
err = 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) {
|
|
err = 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 {
|
|
err = USBD_IOERROR;
|
|
goto ret;
|
|
}
|
|
if (len != 4) {
|
|
err = 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):
|
|
err = 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 {
|
|
err = USBD_IOERROR;
|
|
goto ret;
|
|
}
|
|
switch(value) {
|
|
case UHF_PORT_ENABLE:
|
|
x = URWMASK(UREAD2(sc, port));
|
|
UWRITE2(sc, port, x | UHCI_PORTSC_PE);
|
|
break;
|
|
case UHF_PORT_SUSPEND:
|
|
x = URWMASK(UREAD2(sc, port));
|
|
UWRITE2(sc, port, x | UHCI_PORTSC_SUSP);
|
|
break;
|
|
case UHF_PORT_RESET:
|
|
err = uhci_portreset(sc, index);
|
|
goto ret;
|
|
case UHF_PORT_POWER:
|
|
/* Pretend we turned on power */
|
|
err = USBD_NORMAL_COMPLETION;
|
|
goto ret;
|
|
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_LOW_SPEED:
|
|
case UHF_C_PORT_SUSPEND:
|
|
case UHF_C_PORT_RESET:
|
|
default:
|
|
err = USBD_IOERROR;
|
|
goto ret;
|
|
}
|
|
break;
|
|
default:
|
|
err = USBD_IOERROR;
|
|
goto ret;
|
|
}
|
|
xfer->actlen = totlen;
|
|
err = USBD_NORMAL_COMPLETION;
|
|
ret:
|
|
xfer->status = err;
|
|
s = splusb();
|
|
uhci_transfer_complete(xfer);
|
|
splx(s);
|
|
return (USBD_IN_PROGRESS);
|
|
}
|
|
|
|
/* Abort a root control request. */
|
|
void
|
|
uhci_root_ctrl_abort(usbd_xfer_handle xfer)
|
|
{
|
|
/* Nothing to do, all transfers are synchronous. */
|
|
}
|
|
|
|
/* Close the root pipe. */
|
|
void
|
|
uhci_root_ctrl_close(usbd_pipe_handle pipe)
|
|
{
|
|
DPRINTF(("uhci_root_ctrl_close\n"));
|
|
}
|
|
|
|
/* Abort a root interrupt request. */
|
|
void
|
|
uhci_root_intr_abort(usbd_xfer_handle xfer)
|
|
{
|
|
uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus;
|
|
|
|
usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, xfer);
|
|
sc->sc_intr_xfer = NULL;
|
|
|
|
if (xfer->pipe->intrxfer == xfer) {
|
|
DPRINTF(("uhci_root_intr_abort: remove\n"));
|
|
xfer->pipe->intrxfer = 0;
|
|
}
|
|
xfer->status = USBD_CANCELLED;
|
|
#ifdef DIAGNOSTIC
|
|
UXFER(xfer)->iinfo.isdone = 1;
|
|
#endif
|
|
uhci_transfer_complete(xfer);
|
|
}
|
|
|
|
usbd_status
|
|
uhci_root_intr_transfer(usbd_xfer_handle xfer)
|
|
{
|
|
usbd_status err;
|
|
|
|
/* Insert last in queue. */
|
|
err = usb_insert_transfer(xfer);
|
|
if (err)
|
|
return (err);
|
|
|
|
/*
|
|
* Pipe isn't running (otherwise err would be USBD_INPROG),
|
|
* so start it first.
|
|
*/
|
|
return (uhci_root_intr_start(STAILQ_FIRST(&xfer->pipe->queue)));
|
|
}
|
|
|
|
/* Start a transfer on the root interrupt pipe */
|
|
usbd_status
|
|
uhci_root_intr_start(usbd_xfer_handle xfer)
|
|
{
|
|
usbd_pipe_handle pipe = xfer->pipe;
|
|
uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus;
|
|
|
|
DPRINTFN(3, ("uhci_root_intr_start: xfer=%p len=%d flags=%d\n",
|
|
xfer, xfer->length, xfer->flags));
|
|
|
|
if (sc->sc_dying)
|
|
return (USBD_IOERROR);
|
|
|
|
sc->sc_ival = MS_TO_TICKS(xfer->pipe->endpoint->edesc->bInterval);
|
|
usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer);
|
|
sc->sc_intr_xfer = xfer;
|
|
return (USBD_IN_PROGRESS);
|
|
}
|
|
|
|
/* Close the root interrupt pipe. */
|
|
void
|
|
uhci_root_intr_close(usbd_pipe_handle pipe)
|
|
{
|
|
uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus;
|
|
|
|
usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, sc->sc_intr_xfer);
|
|
sc->sc_intr_xfer = NULL;
|
|
DPRINTF(("uhci_root_intr_close\n"));
|
|
}
|