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/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson (augustss@carlstedt.se) 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.
*
* 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/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/dev/usb/controller/ohci_pci.c 238134 2012-07-05 15:35:59Z mav $");
/*
* USB Open Host Controller driver.
*
* OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf
*/
/* The low level controller code for OHCI has been split into
* PCI probes and OHCI specific code. This was done to facilitate the
* sharing of code between *BSD's
*/
#include <sys/stdint.h>
#include <sys/stddef.h>
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/module.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/condvar.h>
#include <sys/sysctl.h>
#include <sys/sx.h>
#include <sys/unistd.h>
#include <sys/callout.h>
#include <sys/malloc.h>
#include <sys/priv.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usb_core.h>
#include <dev/usb/usb_busdma.h>
#include <dev/usb/usb_process.h>
#include <dev/usb/usb_util.h>
#include <dev/usb/usb_controller.h>
#include <dev/usb/usb_bus.h>
#include <dev/usb/usb_pci.h>
#include <dev/usb/controller/ohci.h>
#include <dev/usb/controller/ohcireg.h>
#include "usb_if.h"
#define PCI_OHCI_VENDORID_ACERLABS 0x10b9
#define PCI_OHCI_VENDORID_AMD 0x1022
#define PCI_OHCI_VENDORID_APPLE 0x106b
#define PCI_OHCI_VENDORID_ATI 0x1002
#define PCI_OHCI_VENDORID_CMDTECH 0x1095
#define PCI_OHCI_VENDORID_NEC 0x1033
#define PCI_OHCI_VENDORID_NVIDIA 0x12D2
#define PCI_OHCI_VENDORID_NVIDIA2 0x10DE
#define PCI_OHCI_VENDORID_OPTI 0x1045
#define PCI_OHCI_VENDORID_SIS 0x1039
#define PCI_OHCI_VENDORID_SUN 0x108e
#define PCI_OHCI_BASE_REG 0x10
static device_probe_t ohci_pci_probe;
static device_attach_t ohci_pci_attach;
static device_detach_t ohci_pci_detach;
static usb_take_controller_t ohci_pci_take_controller;
static int
ohci_pci_take_controller(device_t self)
{
uint32_t reg;
uint32_t int_line;
if (pci_get_powerstate(self) != PCI_POWERSTATE_D0) {
device_printf(self, "chip is in D%d mode "
"-- setting to D0\n", pci_get_powerstate(self));
reg = pci_read_config(self, PCI_CBMEM, 4);
int_line = pci_read_config(self, PCIR_INTLINE, 4);
pci_set_powerstate(self, PCI_POWERSTATE_D0);
pci_write_config(self, PCI_CBMEM, reg, 4);
pci_write_config(self, PCIR_INTLINE, int_line, 4);
}
return (0);
}
static const char *
ohci_pci_match(device_t self)
{
uint32_t device_id = pci_get_devid(self);
switch (device_id) {
case 0x523710b9:
return ("AcerLabs M5237 (Aladdin-V) USB controller");
case 0x740c1022:
return ("AMD-756 USB Controller");
case 0x74141022:
return ("AMD-766 USB Controller");
case 0x43741002:
return "ATI SB400 USB Controller";
case 0x43751002:
return "ATI SB400 USB Controller";
case 0x43971002:
return ("AMD SB7x0/SB8x0/SB9x0 USB controller");
case 0x43991002:
return ("AMD SB7x0/SB8x0/SB9x0 USB controller");
case 0x06701095:
return ("CMD Tech 670 (USB0670) USB controller");
case 0x06731095:
return ("CMD Tech 673 (USB0673) USB controller");
case 0xc8611045:
return ("OPTi 82C861 (FireLink) USB controller");
case 0x00351033:
return ("NEC uPD 9210 USB controller");
case 0x00d710de:
return ("nVidia nForce3 USB Controller");
case 0x036c10de:
return ("nVidia nForce MCP55 USB Controller");
case 0x03f110de:
return ("nVidia nForce MCP61 USB Controller");
case 0x0aa510de:
return ("nVidia nForce MCP79 USB Controller");
case 0x0aa710de:
return ("nVidia nForce MCP79 USB Controller");
case 0x0aa810de:
return ("nVidia nForce MCP79 USB Controller");
case 0x70011039:
return ("SiS 5571 USB controller");
case 0x1103108e:
return "Sun PCIO-2 USB controller";
case 0x0019106b:
return ("Apple KeyLargo USB controller");
default:
break;
}
if ((pci_get_class(self) == PCIC_SERIALBUS) &&
(pci_get_subclass(self) == PCIS_SERIALBUS_USB) &&
(pci_get_progif(self) == PCI_INTERFACE_OHCI)) {
return ("OHCI (generic) USB controller");
}
return (NULL);
}
static int
ohci_pci_probe(device_t self)
{
const char *desc = ohci_pci_match(self);
if (desc) {
device_set_desc(self, desc);
return (0);
} else {
return (ENXIO);
}
}
static int
ohci_pci_attach(device_t self)
{
ohci_softc_t *sc = device_get_softc(self);
int rid;
int err;
/* initialise some bus fields */
sc->sc_bus.parent = self;
sc->sc_bus.devices = sc->sc_devices;
sc->sc_bus.devices_max = OHCI_MAX_DEVICES;
/* get all DMA memory */
if (usb_bus_mem_alloc_all(&sc->sc_bus, USB_GET_DMA_TAG(self),
&ohci_iterate_hw_softc)) {
return (ENOMEM);
}
sc->sc_dev = self;
pci_enable_busmaster(self);
/*
* Some Sun PCIO-2 USB controllers have their intpin register
* bogusly set to 0, although it should be 4. Correct that.
*/
if (pci_get_devid(self) == 0x1103108e && pci_get_intpin(self) == 0)
pci_set_intpin(self, 4);
rid = PCI_CBMEM;
sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid,
RF_ACTIVE);
if (!sc->sc_io_res) {
device_printf(self, "Could not map memory\n");
goto error;
}
sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
sc->sc_io_size = rman_get_size(sc->sc_io_res);
rid = 0;
sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
RF_SHAREABLE | RF_ACTIVE);
if (sc->sc_irq_res == NULL) {
device_printf(self, "Could not allocate irq\n");
goto error;
}
sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
if (!sc->sc_bus.bdev) {
device_printf(self, "Could not add USB device\n");
goto error;
}
device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
/*
* ohci_pci_match will never return NULL if ohci_pci_probe
* succeeded
*/
device_set_desc(sc->sc_bus.bdev, ohci_pci_match(self));
switch (pci_get_vendor(self)) {
case PCI_OHCI_VENDORID_ACERLABS:
sprintf(sc->sc_vendor, "AcerLabs");
break;
case PCI_OHCI_VENDORID_AMD:
sprintf(sc->sc_vendor, "AMD");
break;
case PCI_OHCI_VENDORID_APPLE:
sprintf(sc->sc_vendor, "Apple");
break;
case PCI_OHCI_VENDORID_ATI:
sprintf(sc->sc_vendor, "ATI");
break;
case PCI_OHCI_VENDORID_CMDTECH:
sprintf(sc->sc_vendor, "CMDTECH");
break;
case PCI_OHCI_VENDORID_NEC:
sprintf(sc->sc_vendor, "NEC");
break;
case PCI_OHCI_VENDORID_NVIDIA:
case PCI_OHCI_VENDORID_NVIDIA2:
sprintf(sc->sc_vendor, "nVidia");
break;
case PCI_OHCI_VENDORID_OPTI:
sprintf(sc->sc_vendor, "OPTi");
break;
case PCI_OHCI_VENDORID_SIS:
sprintf(sc->sc_vendor, "SiS");
break;
case PCI_OHCI_VENDORID_SUN:
sprintf(sc->sc_vendor, "SUN");
break;
default:
if (bootverbose) {
device_printf(self, "(New OHCI DeviceId=0x%08x)\n",
pci_get_devid(self));
}
sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
}
/* sc->sc_bus.usbrev; set by ohci_init() */
#if (__FreeBSD_version >= 700031)
err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
NULL, (driver_intr_t *)ohci_interrupt, sc, &sc->sc_intr_hdl);
#else
err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
(driver_intr_t *)ohci_interrupt, sc, &sc->sc_intr_hdl);
#endif
if (err) {
device_printf(self, "Could not setup irq, %d\n", err);
sc->sc_intr_hdl = NULL;
goto error;
}
err = ohci_init(sc);
if (!err) {
err = device_probe_and_attach(sc->sc_bus.bdev);
}
if (err) {
device_printf(self, "USB init failed\n");
goto error;
}
return (0);
error:
ohci_pci_detach(self);
return (ENXIO);
}
static int
ohci_pci_detach(device_t self)
{
ohci_softc_t *sc = device_get_softc(self);
device_t bdev;
if (sc->sc_bus.bdev) {
bdev = sc->sc_bus.bdev;
device_detach(bdev);
device_delete_child(self, bdev);
}
/* during module unload there are lots of children leftover */
device_delete_children(self);
pci_disable_busmaster(self);
if (sc->sc_irq_res && sc->sc_intr_hdl) {
/*
* only call ohci_detach() after ohci_init()
*/
ohci_detach(sc);
int err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
if (err) {
/* XXX or should we panic? */
device_printf(self, "Could not tear down irq, %d\n",
err);
}
sc->sc_intr_hdl = NULL;
}
if (sc->sc_irq_res) {
bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);
sc->sc_irq_res = NULL;
}
if (sc->sc_io_res) {
bus_release_resource(self, SYS_RES_MEMORY, PCI_CBMEM,
sc->sc_io_res);
sc->sc_io_res = NULL;
}
usb_bus_mem_free_all(&sc->sc_bus, &ohci_iterate_hw_softc);
return (0);
}
static device_method_t ohci_pci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, ohci_pci_probe),
DEVMETHOD(device_attach, ohci_pci_attach),
DEVMETHOD(device_detach, ohci_pci_detach),
DEVMETHOD(device_suspend, bus_generic_suspend),
DEVMETHOD(device_resume, bus_generic_resume),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
DEVMETHOD(usb_take_controller, ohci_pci_take_controller),
DEVMETHOD_END
};
static driver_t ohci_driver = {
.name = "ohci",
.methods = ohci_pci_methods,
.size = sizeof(struct ohci_softc),
};
static devclass_t ohci_devclass;
DRIVER_MODULE(ohci, pci, ohci_driver, ohci_devclass, 0, 0);
MODULE_DEPEND(ohci, usb, 1, 1, 1);