323 lines
9.2 KiB
C
323 lines
9.2 KiB
C
/* $FreeBSD$ */
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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 (augustss@carlstedt.se) 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 Open Host Controller driver.
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*
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* OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf
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*/
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/* The low level controller code for OHCI has been split into
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* PCI probes and OHCI specific code. This was done to facilitate the
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* sharing of code between *BSD's
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*/
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#include "opt_bus.h"
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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/module.h>
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#include <sys/bus.h>
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#include <sys/proc.h>
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#include <sys/queue.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <machine/resource.h>
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#include <pci/pcivar.h>
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#include <pci/pcireg.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/ohcireg.h>
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#include <dev/usb/ohcivar.h>
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#define PCI_OHCI_VENDORID_ALI 0x10b9
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#define PCI_OHCI_VENDORID_AMD756 0x1022
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#define PCI_OHCI_VENDORID_CMDTECH 0x1095
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#define PCI_OHCI_VENDORID_COMPAQ 0x0e11
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#define PCI_OHCI_VENDORID_NEC 0x1033
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#define PCI_OHCI_VENDORID_OPTI 0x1045
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#define PCI_OHCI_VENDORID_SIS 0x1039
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#define PCI_OHCI_DEVICEID_ALADDIN_V 0x523710b9
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static const char *ohci_device_aladdin_v = "AcerLabs M5237 (Aladdin-V) USB controller";
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#define PCI_OHCI_DEVICEID_AMD756 0x740c1022
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static const char *ohci_device_amd756 = "AMD-756 USB Controller";
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#define PCI_OHCI_DEVICEID_FIRELINK 0xc8611045
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static const char *ohci_device_firelink = "OPTi 82C861 (FireLink) USB controller";
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#define PCI_OHCI_DEVICEID_NEC 0x00351033
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static const char *ohci_device_nec = "NEC uPD 9210 USB controller";
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#define PCI_OHCI_DEVICEID_USB0670 0x06701095
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static const char *ohci_device_usb0670 = "CMD Tech 670 (USB0670) USB controller";
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#define PCI_OHCI_DEVICEID_USB0673 0x06731095
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static const char *ohci_device_usb0673 = "CMD Tech 673 (USB0673) USB controller";
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#define PCI_OHCI_DEVICEID_SIS5571 0x70011039
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static const char *ohci_device_sis5571 = "SiS 5571 USB controller";
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static const char *ohci_device_generic = "OHCI (generic) USB controller";
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#define PCI_OHCI_BASE_REG 0x10
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static int ohci_pci_attach(device_t self);
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static int ohci_pci_detach(device_t self);
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static const char *
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ohci_pci_match(device_t self)
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{
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u_int32_t device_id = pci_get_devid(self);
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switch(device_id) {
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case PCI_OHCI_DEVICEID_ALADDIN_V:
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return (ohci_device_aladdin_v);
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case PCI_OHCI_DEVICEID_AMD756:
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return (ohci_device_amd756);
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case PCI_OHCI_DEVICEID_USB0670:
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return (ohci_device_usb0670);
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case PCI_OHCI_DEVICEID_USB0673:
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return (ohci_device_usb0673);
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case PCI_OHCI_DEVICEID_FIRELINK:
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return (ohci_device_firelink);
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case PCI_OHCI_DEVICEID_NEC:
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return (ohci_device_nec);
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case PCI_OHCI_DEVICEID_SIS5571:
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return (ohci_device_sis5571);
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default:
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if ( pci_get_class(self) == PCIC_SERIALBUS
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&& pci_get_subclass(self) == PCIS_SERIALBUS_USB
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&& pci_get_progif(self) == PCI_INTERFACE_OHCI) {
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return (ohci_device_generic);
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}
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}
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return NULL; /* dunno */
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}
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static int
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ohci_pci_probe(device_t self)
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{
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const char *desc = ohci_pci_match(self);
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if (desc) {
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device_set_desc(self, desc);
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return 0;
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} else {
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return ENXIO;
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}
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}
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static int
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ohci_pci_attach(device_t self)
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{
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ohci_softc_t *sc = device_get_softc(self);
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int err;
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int rid;
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int intr;
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/* For the moment, put in a message stating what is wrong */
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intr = pci_read_config(self, PCIR_INTLINE, 1);
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if (intr == 0 || intr == 255) {
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device_printf(self, "Invalid irq %d\n", intr);
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#ifdef __i386__
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device_printf(self, "Please switch on USB support and switch PNP-OS to 'No' in BIOS\n");
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#endif
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return ENXIO;
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}
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/* XXX where does it say so in the spec? */
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sc->sc_bus.usbrev = USBREV_1_0;
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rid = PCI_CBMEM;
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sc->io_res = bus_alloc_resource(self, SYS_RES_MEMORY, &rid,
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0, ~0, 1, RF_ACTIVE);
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if (!sc->io_res) {
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device_printf(self, "Could not map memory\n");
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return ENXIO;
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}
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sc->iot = rman_get_bustag(sc->io_res);
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sc->ioh = rman_get_bushandle(sc->io_res);
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rid = 0;
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sc->irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1,
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RF_SHAREABLE | RF_ACTIVE);
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if (sc->irq_res == NULL) {
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device_printf(self, "Could not allocate irq\n");
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ohci_pci_detach(self);
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return ENXIO;
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}
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sc->sc_bus.bdev = device_add_child(self, "usb", -1);
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if (!sc->sc_bus.bdev) {
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device_printf(self, "Could not add USB device\n");
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ohci_pci_detach(self);
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return ENOMEM;
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}
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device_set_ivars(sc->sc_bus.bdev, sc);
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switch (pci_get_devid(self)) {
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case PCI_OHCI_DEVICEID_ALADDIN_V:
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device_set_desc(sc->sc_bus.bdev, ohci_device_aladdin_v);
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sprintf(sc->sc_vendor, "AcerLabs");
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break;
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case PCI_OHCI_DEVICEID_AMD756:
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device_set_desc(sc->sc_bus.bdev, ohci_device_amd756);
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sprintf(sc->sc_vendor, "AMD");
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break;
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case PCI_OHCI_DEVICEID_FIRELINK:
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device_set_desc(sc->sc_bus.bdev, ohci_device_firelink);
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sprintf(sc->sc_vendor, "OPTi");
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break;
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case PCI_OHCI_DEVICEID_NEC:
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device_set_desc(sc->sc_bus.bdev, ohci_device_nec);
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sprintf(sc->sc_vendor, "NEC");
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break;
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case PCI_OHCI_DEVICEID_USB0670:
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device_set_desc(sc->sc_bus.bdev, ohci_device_usb0670);
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sprintf(sc->sc_vendor, "CMDTECH");
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break;
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case PCI_OHCI_DEVICEID_USB0673:
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device_set_desc(sc->sc_bus.bdev, ohci_device_usb0673);
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sprintf(sc->sc_vendor, "CMDTECH");
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break;
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case PCI_OHCI_DEVICEID_SIS5571:
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device_set_desc(sc->sc_bus.bdev, ohci_device_sis5571);
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sprintf(sc->sc_vendor, "SiS");
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break;
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default:
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if (bootverbose)
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device_printf(self, "(New OHCI DeviceId=0x%08x)\n",
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pci_get_devid(self));
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device_set_desc(sc->sc_bus.bdev, ohci_device_generic);
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sprintf(sc->sc_vendor, "(unknown)");
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}
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err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_BIO,
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(driver_intr_t *) ohci_intr, sc, &sc->ih);
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if (err) {
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device_printf(self, "Could not setup irq, %d\n", err);
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ohci_pci_detach(self);
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return ENXIO;
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}
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err = ohci_init(sc);
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if (!err)
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err = device_probe_and_attach(sc->sc_bus.bdev);
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if (err) {
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device_printf(self, "USB init failed\n");
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ohci_pci_detach(self);
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return EIO;
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}
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return 0;
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}
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static int
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ohci_pci_detach(device_t self)
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{
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ohci_softc_t *sc = device_get_softc(self);
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/* XXX this code is not yet fit to be used as detach for
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* the OHCI controller
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*/
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/* disable interrupts that might have been switched on
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* in ohci_init
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*/
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if (sc->iot && sc->ioh)
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bus_space_write_4(sc->iot, sc->ioh,
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OHCI_INTERRUPT_DISABLE, OHCI_ALL_INTRS);
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if (sc->irq_res) {
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int err = bus_teardown_intr(self, sc->irq_res, sc->ih);
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if (err)
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/* XXX or should we panic? */
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device_printf(self, "Could not tear down irq, %d\n",
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err);
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sc->irq_res = NULL;
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}
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if (sc->sc_bus.bdev) {
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device_delete_child(self, sc->sc_bus.bdev);
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sc->sc_bus.bdev = NULL;
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}
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if (sc->irq_res) {
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bus_release_resource(self, SYS_RES_IOPORT, 0, sc->irq_res);
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sc->irq_res = NULL;
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}
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if (sc->io_res) {
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bus_release_resource(self, SYS_RES_MEMORY,PCI_CBMEM,sc->io_res);
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sc->io_res = NULL;
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sc->iot = 0;
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sc->ioh = 0;
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}
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return 0;
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}
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static device_method_t ohci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ohci_pci_probe),
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DEVMETHOD(device_attach, ohci_pci_attach),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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/* Bus interface */
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DEVMETHOD(bus_print_child, bus_generic_print_child),
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{ 0, 0 }
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};
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static driver_t ohci_driver = {
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"ohci",
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ohci_methods,
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sizeof(ohci_softc_t),
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};
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static devclass_t ohci_devclass;
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DRIVER_MODULE(ohci, pci, ohci_driver, ohci_devclass, 0, 0);
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