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/*-
* ichsmb_pci.c
*
* Author: Archie Cobbs <archie@freebsd.org>
* Copyright (c) 2000 Whistle Communications, Inc.
* All rights reserved.
* Author: Archie Cobbs <archie@freebsd.org>
*
* Subject to the following obligations and disclaimer of warranty, use and
* redistribution of this software, in source or object code forms, with or
* without modifications are expressly permitted by Whistle Communications;
* provided, however, that:
* 1. Any and all reproductions of the source or object code must include the
* copyright notice above and the following disclaimer of warranties; and
* 2. No rights are granted, in any manner or form, to use Whistle
* Communications, Inc. trademarks, including the mark "WHISTLE
* COMMUNICATIONS" on advertising, endorsements, or otherwise except as
* such appears in the above copyright notice or in the software.
*
* THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
* INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
* WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
* REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
* SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
* IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
* RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
* WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER 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 WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*
* Support for the SMBus controller logical device which is part of the
* Intel 81801AA/AB/BA/CA/DC/EB (ICH/ICH[02345]) I/O controller hub chips.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/errno.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/syslog.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/smbus/smbconf.h>
#include <dev/ichsmb/ichsmb_var.h>
#include <dev/ichsmb/ichsmb_reg.h>
/* PCI unique identifiers */
#define PCI_VENDOR_INTEL 0x8086
#define ID_82801AA 0x2413
#define ID_82801AB 0x2423
#define ID_82801BA 0x2443
#define ID_82801CA 0x2483
#define ID_82801DC 0x24C3
#define ID_82801EB 0x24D3
#define ID_82801FB 0x266A
#define ID_82801GB 0x27da
#define ID_82801H 0x283e
#define ID_82801I 0x2930
#define ID_EP80579 0x5032
#define ID_82801JI 0x3a30
#define ID_82801JD 0x3a60
#define ID_PCH 0x3b30
#define ID_6300ESB 0x25a4
#define ID_631xESB 0x269b
#define ID_DH89XXCC 0x2330
#define ID_PATSBURG 0x1d22
#define ID_CPT 0x1c22
#define ID_PPT 0x1e22
#define ID_AVOTON 0x1f3c
#define ID_COLETOCRK 0x23B0
#define ID_LPT 0x8c22
#define ID_LPTLP 0x9c22
#define ID_WCPT 0x8ca2
#define ID_WCPTLP 0x9ca2
#define ID_BAYTRAIL 0x0f12
#define ID_BRASWELL 0x2292
#define ID_WELLSBURG 0x8d22
#define ID_SRPT 0xa123
#define ID_SRPTLP 0x9d23
#define ID_DENVERTON 0x19df
#define ID_BROXTON 0x5ad4
#define ID_LEWISBURG 0xa1a3
#define ID_LEWISBURG2 0xa223
#define ID_KABYLAKE 0xa2a3
static const struct ichsmb_device {
uint16_t id;
const char *name;
} ichsmb_devices[] = {
{ ID_82801AA, "Intel 82801AA (ICH) SMBus controller" },
{ ID_82801AB, "Intel 82801AB (ICH0) SMBus controller" },
{ ID_82801BA, "Intel 82801BA (ICH2) SMBus controller" },
{ ID_82801CA, "Intel 82801CA (ICH3) SMBus controller" },
{ ID_82801DC, "Intel 82801DC (ICH4) SMBus controller" },
{ ID_82801EB, "Intel 82801EB (ICH5) SMBus controller" },
{ ID_82801FB, "Intel 82801FB (ICH6) SMBus controller" },
{ ID_82801GB, "Intel 82801GB (ICH7) SMBus controller" },
{ ID_82801H, "Intel 82801H (ICH8) SMBus controller" },
{ ID_82801I, "Intel 82801I (ICH9) SMBus controller" },
{ ID_82801GB, "Intel 82801GB (ICH7) SMBus controller" },
{ ID_82801H, "Intel 82801H (ICH8) SMBus controller" },
{ ID_82801I, "Intel 82801I (ICH9) SMBus controller" },
{ ID_EP80579, "Intel EP80579 SMBus controller" },
{ ID_82801JI, "Intel 82801JI (ICH10) SMBus controller" },
{ ID_82801JD, "Intel 82801JD (ICH10) SMBus controller" },
{ ID_PCH, "Intel PCH SMBus controller" },
{ ID_6300ESB, "Intel 6300ESB (ICH) SMBus controller" },
{ ID_631xESB, "Intel 631xESB/6321ESB (ESB2) SMBus controller" },
{ ID_DH89XXCC, "Intel DH89xxCC SMBus controller" },
{ ID_PATSBURG, "Intel Patsburg SMBus controller" },
{ ID_CPT, "Intel Cougar Point SMBus controller" },
{ ID_PPT, "Intel Panther Point SMBus controller" },
{ ID_AVOTON, "Intel Avoton SMBus controller" },
{ ID_LPT, "Intel Lynx Point SMBus controller" },
{ ID_LPTLP, "Intel Lynx Point-LP SMBus controller" },
{ ID_WCPT, "Intel Wildcat Point SMBus controller" },
{ ID_WCPTLP, "Intel Wildcat Point-LP SMBus controller" },
{ ID_BAYTRAIL, "Intel Baytrail SMBus controller" },
{ ID_BRASWELL, "Intel Braswell SMBus controller" },
{ ID_COLETOCRK, "Intel Coleto Creek SMBus controller" },
{ ID_WELLSBURG, "Intel Wellsburg SMBus controller" },
{ ID_SRPT, "Intel Sunrise Point-H SMBus controller" },
{ ID_SRPTLP, "Intel Sunrise Point-LP SMBus controller" },
{ ID_DENVERTON, "Intel Denverton SMBus controller" },
{ ID_BROXTON, "Intel Broxton SMBus controller" },
{ ID_LEWISBURG, "Intel Lewisburg SMBus controller" },
{ ID_LEWISBURG2,"Intel Lewisburg SMBus controller" },
{ ID_KABYLAKE, "Intel Kaby Lake SMBus controller" },
{ 0, NULL },
};
/* Internal functions */
static int ichsmb_pci_probe(device_t dev);
static int ichsmb_pci_attach(device_t dev);
/*Use generic one for now*/
#if 0
static int ichsmb_pci_detach(device_t dev);
#endif
/* Device methods */
static device_method_t ichsmb_pci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, ichsmb_pci_probe),
DEVMETHOD(device_attach, ichsmb_pci_attach),
DEVMETHOD(device_detach, ichsmb_detach),
/* SMBus methods */
DEVMETHOD(smbus_callback, ichsmb_callback),
DEVMETHOD(smbus_quick, ichsmb_quick),
DEVMETHOD(smbus_sendb, ichsmb_sendb),
DEVMETHOD(smbus_recvb, ichsmb_recvb),
DEVMETHOD(smbus_writeb, ichsmb_writeb),
DEVMETHOD(smbus_writew, ichsmb_writew),
DEVMETHOD(smbus_readb, ichsmb_readb),
DEVMETHOD(smbus_readw, ichsmb_readw),
DEVMETHOD(smbus_pcall, ichsmb_pcall),
DEVMETHOD(smbus_bwrite, ichsmb_bwrite),
DEVMETHOD(smbus_bread, ichsmb_bread),
DEVMETHOD_END
};
static driver_t ichsmb_pci_driver = {
"ichsmb",
ichsmb_pci_methods,
sizeof(struct ichsmb_softc)
};
static devclass_t ichsmb_pci_devclass;
DRIVER_MODULE(ichsmb, pci, ichsmb_pci_driver, ichsmb_pci_devclass, 0, 0);
static int
ichsmb_pci_probe(device_t dev)
{
const struct ichsmb_device *device;
if (pci_get_vendor(dev) != PCI_VENDOR_INTEL)
return (ENXIO);
for (device = ichsmb_devices; device->name != NULL; device++) {
if (pci_get_device(dev) == device->id) {
device_set_desc(dev, device->name);
return (ichsmb_probe(dev));
}
}
return (ENXIO);
}
static int
ichsmb_pci_attach(device_t dev)
{
const sc_p sc = device_get_softc(dev);
int error;
/* Initialize private state */
bzero(sc, sizeof(*sc));
sc->ich_cmd = -1;
sc->dev = dev;
/* Allocate an I/O range */
sc->io_rid = ICH_SMB_BASE;
sc->io_res = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT,
&sc->io_rid, 16, RF_ACTIVE);
if (sc->io_res == NULL)
sc->io_res = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT,
&sc->io_rid, 32, RF_ACTIVE);
if (sc->io_res == NULL) {
device_printf(dev, "can't map I/O\n");
error = ENXIO;
goto fail;
}
/* Allocate interrupt */
sc->irq_rid = 0;
sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
&sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
if (sc->irq_res == NULL) {
device_printf(dev, "can't get IRQ\n");
error = ENXIO;
goto fail;
}
/* Enable device */
pci_write_config(dev, ICH_HOSTC, ICH_HOSTC_HST_EN, 1);
/* Done */
error = ichsmb_attach(dev);
if (error)
goto fail;
return (0);
fail:
/* Attach failed, release resources */
ichsmb_release_resources(sc);
return (error);
}
MODULE_DEPEND(ichsmb, pci, 1, 1, 1);
MODULE_DEPEND(ichsmb, smbus, SMBUS_MINVER, SMBUS_PREFVER, SMBUS_MAXVER);
MODULE_VERSION(ichsmb, 1);
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