FreeBSD-5.3/sys/dev/puc/puc_pci.c
/* $NetBSD: puc.c,v 1.7 2000/07/29 17:43:38 jlam Exp $ */
/*-
* Copyright (c) 2002 JF Hay. All rights reserved.
* Copyright (c) 2000 M. Warner Losh. All rights reserved.
*
* 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 unmodified, 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 AUTHOR ``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 AUTHOR 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: src/sys/dev/puc/puc_pci.c,v 1.10 2004/05/30 20:08:38 phk Exp $");
/*
* Copyright (c) 1996, 1998, 1999
* Christopher G. Demetriou. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Christopher G. Demetriou
* for the NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/sys/dev/puc/puc_pci.c,v 1.10 2004/05/30 20:08:38 phk Exp $");
#include "opt_puc.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/malloc.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#define PUC_ENTRAILS 1
#include <dev/puc/pucvar.h>
extern const struct puc_device_description puc_devices[];
int puc_config_win877(struct puc_softc *);
static const struct puc_device_description *
puc_find_description(uint32_t vend, uint32_t prod, uint32_t svend,
uint32_t sprod)
{
int i;
#define checkreg(val, index) \
(((val) & puc_devices[i].rmask[(index)]) == puc_devices[i].rval[(index)])
for (i = 0; puc_devices[i].name != NULL; i++) {
if (checkreg(vend, PUC_REG_VEND) &&
checkreg(prod, PUC_REG_PROD) &&
checkreg(svend, PUC_REG_SVEND) &&
checkreg(sprod, PUC_REG_SPROD))
return (&puc_devices[i]);
}
#undef checkreg
return (NULL);
}
static int
puc_pci_probe(device_t dev)
{
uint32_t v1, v2, d1, d2;
const struct puc_device_description *desc;
if ((pci_read_config(dev, PCIR_HDRTYPE, 1) & PCIM_HDRTYPE) != 0)
return (ENXIO);
v1 = pci_read_config(dev, PCIR_VENDOR, 2);
d1 = pci_read_config(dev, PCIR_DEVICE, 2);
v2 = pci_read_config(dev, PCIR_SUBVEND_0, 2);
d2 = pci_read_config(dev, PCIR_SUBDEV_0, 2);
desc = puc_find_description(v1, d1, v2, d2);
if (desc == NULL)
return (ENXIO);
device_set_desc(dev, desc->name);
return (0);
}
static int
puc_pci_attach(device_t dev)
{
uint32_t v1, v2, d1, d2;
v1 = pci_read_config(dev, PCIR_VENDOR, 2);
d1 = pci_read_config(dev, PCIR_DEVICE, 2);
v2 = pci_read_config(dev, PCIR_SUBVEND_0, 2);
d2 = pci_read_config(dev, PCIR_SUBDEV_0, 2);
return (puc_attach(dev, puc_find_description(v1, d1, v2, d2)));
}
static device_method_t puc_pci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, puc_pci_probe),
DEVMETHOD(device_attach, puc_pci_attach),
DEVMETHOD(bus_alloc_resource, puc_alloc_resource),
DEVMETHOD(bus_release_resource, puc_release_resource),
DEVMETHOD(bus_get_resource, puc_get_resource),
DEVMETHOD(bus_read_ivar, puc_read_ivar),
DEVMETHOD(bus_setup_intr, puc_setup_intr),
DEVMETHOD(bus_teardown_intr, puc_teardown_intr),
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_driver_added, bus_generic_driver_added),
{ 0, 0 }
};
static driver_t puc_pci_driver = {
"puc",
puc_pci_methods,
sizeof(struct puc_softc),
};
DRIVER_MODULE(puc, pci, puc_pci_driver, puc_devclass, 0, 0);
DRIVER_MODULE(puc, cardbus, puc_pci_driver, puc_devclass, 0, 0);
#define rdspio(indx) (bus_space_write_1(bst, bsh, efir, indx), \
bus_space_read_1(bst, bsh, efdr))
#define wrspio(indx,data) (bus_space_write_1(bst, bsh, efir, indx), \
bus_space_write_1(bst, bsh, efdr, data))
#ifdef PUC_DEBUG
static void
puc_print_win877(bus_space_tag_t bst, bus_space_handle_t bsh, u_int efir,
u_int efdr)
{
u_char cr00, cr01, cr04, cr09, cr0d, cr14, cr15, cr16, cr17;
u_char cr18, cr19, cr24, cr25, cr28, cr2c, cr31, cr32;
cr00 = rdspio(0x00);
cr01 = rdspio(0x01);
cr04 = rdspio(0x04);
cr09 = rdspio(0x09);
cr0d = rdspio(0x0d);
cr14 = rdspio(0x14);
cr15 = rdspio(0x15);
cr16 = rdspio(0x16);
cr17 = rdspio(0x17);
cr18 = rdspio(0x18);
cr19 = rdspio(0x19);
cr24 = rdspio(0x24);
cr25 = rdspio(0x25);
cr28 = rdspio(0x28);
cr2c = rdspio(0x2c);
cr31 = rdspio(0x31);
cr32 = rdspio(0x32);
printf("877T: cr00 %x, cr01 %x, cr04 %x, cr09 %x, cr0d %x, cr14 %x, "
"cr15 %x, cr16 %x, cr17 %x, cr18 %x, cr19 %x, cr24 %x, cr25 %x, "
"cr28 %x, cr2c %x, cr31 %x, cr32 %x\n", cr00, cr01, cr04, cr09,
cr0d, cr14, cr15, cr16, cr17,
cr18, cr19, cr24, cr25, cr28, cr2c, cr31, cr32);
}
#endif
int
puc_config_win877(struct puc_softc *sc)
{
u_char val;
u_int efir, efdr;
bus_space_tag_t bst;
bus_space_handle_t bsh;
struct resource *res;
res = sc->sc_bar_mappings[0].res;
bst = rman_get_bustag(res);
bsh = rman_get_bushandle(res);
/* configure the first W83877TF */
bus_space_write_1(bst, bsh, 0x250, 0x89);
efir = 0x251;
efdr = 0x252;
val = rdspio(0x09) & 0x0f;
if (val != 0x0c) {
printf("conf_win877: Oops not a W83877TF\n");
return (ENXIO);
}
#ifdef PUC_DEBUG
printf("before: ");
puc_print_win877(bst, bsh, efir, efdr);
#endif
val = rdspio(0x16);
val |= 0x04;
wrspio(0x16, val);
val &= ~0x04;
wrspio(0x16, val);
wrspio(0x24, 0x2e8 >> 2);
wrspio(0x25, 0x2f8 >> 2);
wrspio(0x17, 0x03);
wrspio(0x28, 0x43);
#ifdef PUC_DEBUG
printf("after: ");
puc_print_win877(bst, bsh, efir, efdr);
#endif
bus_space_write_1(bst, bsh, 0x250, 0xaa);
/* configure the second W83877TF */
bus_space_write_1(bst, bsh, 0x3f0, 0x87);
bus_space_write_1(bst, bsh, 0x3f0, 0x87);
efir = 0x3f0;
efdr = 0x3f1;
val = rdspio(0x09) & 0x0f;
if (val != 0x0c) {
printf("conf_win877: Oops not a W83877TF\n");
return(ENXIO);
}
#ifdef PUC_DEBUG
printf("before: ");
puc_print_win877(bst, bsh, efir, efdr);
#endif
val = rdspio(0x16);
val |= 0x04;
wrspio(0x16, val);
val &= ~0x04;
wrspio(0x16, val);
wrspio(0x24, 0x3e8 >> 2);
wrspio(0x25, 0x3f8 >> 2);
wrspio(0x17, 0x03);
wrspio(0x28, 0x43);
#ifdef PUC_DEBUG
printf("after: ");
puc_print_win877(bst, bsh, efir, efdr);
#endif
bus_space_write_1(bst, bsh, 0x3f0, 0xaa);
return (0);
}
#undef rdspio
#undef wrspio