add a cardbus attachment for uhci. This code is based on the ohci_cardbus.c

and uhci_pci.c files.  ok dlg@

2 files changed, 219 insertions, 1 deletions

diff --git a/sys/dev/cardbus/files.cardbus b/sys/dev/cardbus/files.cardbus
index 0d2621054eb..11a125d3ff0 100644
--- a/sys/dev/cardbus/files.cardbus
+++ b/sys/dev/cardbus/files.cardbus
@@ -1,4 +1,4 @@
-#	$OpenBSD: files.cardbus,v 1.17 2005/04/11 08:09:32 dlg Exp $
+#	$OpenBSD: files.cardbus,v 1.18 2005/05/26 18:57:37 nate Exp $
 #	$NetBSD: files.cardbus,v 1.8 2000/01/26 06:37:24 thorpej Exp $
 #
 # files.cardbus
@@ -89,3 +89,9 @@ file	dev/cardbus/ohci_cardbus.c		ohci_cardbus
 #
 #attach	ahc at cardbus with ahc_cardbus: ahc_seeprom, smc93cx6
 #file	dev/cardbus/ahc_cardbus.c		ahc_cardbus
+
+#
+# UHCI USB controller
+#
+attach	uhci at cardbus with uhci_cardbus
+file	dev/cardbus/uhci_cardbus.c		uhci_cardbus
diff --git a/sys/dev/cardbus/uhci_cardbus.c b/sys/dev/cardbus/uhci_cardbus.c
new file mode 100644
index 00000000000..c9f28fec8ae
--- /dev/null
+++ b/sys/dev/cardbus/uhci_cardbus.c
@@ -0,0 +1,212 @@
+/*	$OpenBSD: uhci_cardbus.c,v 1.1 2005/05/26 18:57:37 nate 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>
+
+#include <dev/cardbus/cardbusvar.h>
+#include <dev/pci/pcidevs.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/uhcireg.h>
+#include <dev/usb/uhcivar.h>
+
+int	uhci_cardbus_match(struct device *, void *, void *);
+void	uhci_cardbus_attach(struct device *, struct device *, void *);
+int	uhci_cardbus_detach(device_ptr_t, int);
+
+struct uhci_cardbus_softc {
+	uhci_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 uhci_cardbus_ca = {
+	sizeof(struct uhci_cardbus_softc), uhci_cardbus_match,
+	    uhci_cardbus_attach, uhci_cardbus_detach, uhci_activate
+};
+
+#define CARDBUS_INTERFACE_UHCI PCI_INTERFACE_UHCI
+#define cardbus_findvendor pci_findvendor
+#define cardbus_devinfo pci_devinfo
+
+int
+uhci_cardbus_match(struct device *parent, void *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_UHCI)
+		return (1);
+ 
+	return (0);
+}
+
+void
+uhci_cardbus_attach(struct device *parent, struct device *self, void *aux)
+{
+	struct uhci_cardbus_softc *sc = (struct uhci_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;
+	usbd_status r;
+	const char *vendor;
+	const char *devname = sc->sc.sc_bus.bdev.dv_xname;
+
+	/* Map I/O registers */
+	if (Cardbus_mapreg_map(ct, PCI_CBIO, CARDBUS_MAPREG_TYPE_IO, 0,
+			   &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) {
+		printf("%s: can't map io space\n", devname);
+		return;
+	}
+
+	/* Disable interrupts, so we don't get any spurious ones. */
+	bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_INTR, 0);
+
+	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_io_open)(cc, 0, iob, iob + 0x40);
+#endif
+	(ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_IO_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_IO_ENABLE);
+
+	sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline,
+					   IPL_USB, uhci_intr, sc);
+	if (sc->sc_ih == NULL) {
+		printf("%s: couldn't establish interrupt\n", devname);
+		return;
+	}
+	printf(": irq %d\n", ca->ca_intrline);
+
+	/* Set LEGSUP register to its default value. */
+	cardbus_conf_write(cc, cf, ca->ca_tag, PCI_LEGSUP,
+			   PCI_LEGSUP_USBPIRQDEN);
+
+	switch(cardbus_conf_read(cc, cf, ca->ca_tag, PCI_USBREV) & PCI_USBREV_MASK) {
+	case PCI_USBREV_PRE_1_0:
+		sc->sc.sc_bus.usbrev = USBREV_PRE_1_0;
+		break;
+	case PCI_USBREV_1_0:
+		sc->sc.sc_bus.usbrev = USBREV_1_0;
+		break;
+	case PCI_USBREV_1_1:
+		sc->sc.sc_bus.usbrev = USBREV_1_1;
+		break;
+	default:
+		sc->sc.sc_bus.usbrev = USBREV_UNKNOWN;
+		break;
+	}
+
+	uhci_run(&sc->sc, 0);			/* stop the controller */
+						/* disable interrupts */
+	bus_space_barrier(sc->sc.iot, sc->sc.ioh, 0, sc->sc.sc_size,
+	    BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE);
+	bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_INTR, 0);
+
+	/* 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)
+		strlcpy(sc->sc.sc_vendor, vendor, sizeof (sc->sc.sc_vendor));
+	else
+		snprintf(sc->sc.sc_vendor, sizeof(sc->sc.sc_vendor),
+		    "vendor 0x%04x", CARDBUS_VENDOR(ca->ca_id));
+	
+	r = uhci_init(&sc->sc);
+	if (r != USBD_NORMAL_COMPLETION) {
+		printf("%s: init failed, error=%d\n", devname, r);
+		bus_space_unmap(sc->sc.iot, sc->sc.ioh, sc->sc.sc_size);
+		return;
+	}
+
+	/* Attach usb device. */
+	sc->sc.sc_child = config_found((void *)sc, &sc->sc.sc_bus,
+				       usbctlprint);
+}
+
+int
+uhci_cardbus_detach(device_ptr_t self, int flags)
+{
+	struct uhci_cardbus_softc *sc = (struct uhci_cardbus_softc *)self;
+	struct cardbus_devfunc *ct = sc->sc_ct;
+	int rv;
+
+	rv = uhci_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, PCI_CBIO, sc->sc.iot,
+		    sc->sc.ioh, sc->sc.sc_size);
+		sc->sc.sc_size = 0;
+	}
+
+	return (0);
+}