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NetBSD/sys/dev/cardbus/ehci_cardbus.c

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/* $NetBSD: ehci_cardbus.c,v 1.2 2001/11/10 17:07:21 augustss Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson (lennart@augustsson.net) at
* Carlstedt Research & Technology.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <machine/bus.h>
#if defined pciinc
#include <dev/pci/pcidevs.h>
#endif
#include <dev/cardbus/cardbusvar.h>
#include <dev/cardbus/cardbusdevs.h>
#include <dev/cardbus/usb_cardbus.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdivar.h>
#include <dev/usb/usb_mem.h>
#include <dev/usb/ehcireg.h>
#include <dev/usb/ehcivar.h>
#ifdef EHCI_DEBUG
#define DPRINTF(x) if (ehcidebug) printf x
extern int ehcidebug;
#else
#define DPRINTF(x)
#endif
int ehci_cardbus_match(struct device *, struct cfdata *, void *);
void ehci_cardbus_attach(struct device *, struct device *, void *);
int ehci_cardbus_detach(device_ptr_t, int);
struct ehci_cardbus_softc {
ehci_softc_t sc;
cardbus_chipset_tag_t sc_cc;
cardbus_function_tag_t sc_cf;
cardbus_devfunc_t sc_ct;
void *sc_ih; /* interrupt vectoring */
};
struct cfattach ehci_cardbus_ca = {
sizeof(struct ehci_cardbus_softc), ehci_cardbus_match,
ehci_cardbus_attach, ehci_cardbus_detach, ehci_activate
};
#define CARDBUS_INTERFACE_EHCI PCI_INTERFACE_EHCI
#define CARDBUS_CBMEM PCI_CBMEM
#define cardbus_findvendor pci_findvendor
#define cardbus_devinfo pci_devinfo
static TAILQ_HEAD(, usb_cardbus) ehci_cardbus_alldevs =
TAILQ_HEAD_INITIALIZER(ehci_cardbus_alldevs);
int
ehci_cardbus_match(struct device *parent, struct cfdata *match, void *aux)
{
struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux;
if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS &&
CARDBUS_SUBCLASS(ca->ca_class) == CARDBUS_SUBCLASS_SERIALBUS_USB &&
CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_EHCI)
return (1);
return (0);
}
void
ehci_cardbus_attach(struct device *parent, struct device *self, void *aux)
{
struct ehci_cardbus_softc *sc = (struct ehci_cardbus_softc *)self;
struct cardbus_attach_args *ca = aux;
cardbus_devfunc_t ct = ca->ca_ct;
cardbus_chipset_tag_t cc = ct->ct_cc;
cardbus_function_tag_t cf = ct->ct_cf;
cardbusreg_t csr;
char devinfo[256];
usbd_status r;
char *vendor;
u_int ncomp;
const char *devname = sc->sc.sc_bus.bdev.dv_xname;
struct usb_cardbus *up;
cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo);
printf(": %s (rev. 0x%02x)\n", devinfo,
CARDBUS_REVISION(ca->ca_class));
/* Map I/O registers */
if (Cardbus_mapreg_map(ct, CARDBUS_CBMEM, CARDBUS_MAPREG_TYPE_MEM, 0,
&sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) {
printf("%s: can't map mem space\n", devname);
return;
}
sc->sc_cc = cc;
sc->sc_cf = cf;
sc->sc_ct = ct;
sc->sc.sc_bus.dmatag = ca->ca_dmat;
#if rbus
#else
XXX (ct->ct_cf->cardbus_mem_open)(cc, 0, iob, iob + 0x40);
#endif
(ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE);
(ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
/* Enable the device. */
csr = cardbus_conf_read(cc, cf, ca->ca_tag,
CARDBUS_COMMAND_STATUS_REG);
cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG,
csr | CARDBUS_COMMAND_MASTER_ENABLE
| CARDBUS_COMMAND_MEM_ENABLE);
/* Disable interrupts, so we don't get any spurious ones. */
sc->sc.sc_offs = EREAD1(&sc->sc, EHCI_CAPLENGTH);
DPRINTF(("%s: offs=%d\n", devname, sc->sc.sc_offs));
EOWRITE2(&sc->sc, EHCI_USBINTR, 0);
sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline,
IPL_USB, ehci_intr, sc);
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt\n", devname);
return;
}
printf("%s: interrupting at %d\n", devname, ca->ca_intrline);
/* Figure out vendor for root hub descriptor. */
vendor = cardbus_findvendor(ca->ca_id);
sc->sc.sc_id_vendor = CARDBUS_VENDOR(ca->ca_id);
if (vendor)
strncpy(sc->sc.sc_vendor, vendor,
sizeof(sc->sc.sc_vendor) - 1);
else
sprintf(sc->sc.sc_vendor, "vendor 0x%04x",
CARDBUS_VENDOR(ca->ca_id));
/*
* Find companion controllers. According to the spec they always
* have lower function numbers so they should be enumerated already.
*/
ncomp = 0;
TAILQ_FOREACH(up, &ehci_cardbus_alldevs, next) {
if (up->bus == ca->ca_bus && up->device == ca->ca_device) {
DPRINTF(("ehci_cardbus_attach: companion %s\n",
USBDEVNAME(up->usb->bdev)));
sc->sc.sc_comps[ncomp++] = up->usb;
if (ncomp >= EHCI_COMPANION_MAX)
break;
}
}
sc->sc.sc_ncomp = ncomp;
r = ehci_init(&sc->sc);
if (r != USBD_NORMAL_COMPLETION) {
printf("%s: init failed, error=%d\n", devname, r);
/* Avoid spurious interrupts. */
cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih);
sc->sc_ih = NULL;
return;
}
/* Attach usb device. */
sc->sc.sc_child = config_found((void *)sc, &sc->sc.sc_bus,
usbctlprint);
}
int
ehci_cardbus_detach(device_ptr_t self, int flags)
{
struct ehci_cardbus_softc *sc = (struct ehci_cardbus_softc *)self;
struct cardbus_devfunc *ct = sc->sc_ct;
int rv;
rv = ehci_detach(&sc->sc, flags);
if (rv)
return (rv);
if (sc->sc_ih != NULL) {
cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih);
sc->sc_ih = NULL;
}
if (sc->sc.sc_size) {
Cardbus_mapreg_unmap(ct, CARDBUS_CBMEM, sc->sc.iot,
sc->sc.ioh, sc->sc.sc_size);
sc->sc.sc_size = 0;
}
return (0);
}
void
usb_cardbus_add(struct usb_cardbus *up, struct cardbus_attach_args *ca, struct usbd_bus *bu)
{
TAILQ_INSERT_TAIL(&ehci_cardbus_alldevs, up, next);
up->bus = ca->ca_bus;
up->device = ca->ca_device;
up->function = ca->ca_function;
up->usb = bu;
}
void
usb_cardbus_rem(struct usb_cardbus *up)
{
TAILQ_REMOVE(&ehci_cardbus_alldevs, up, next);
}
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