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/* $OpenBSD: i82365_pci.c,v 1.16 2024/05/24 06:02:53 jsg Exp $ */
/* $NetBSD: i82365_pci.c,v 1.11 2000/02/24 03:42:44 itohy Exp $ */
/*
* Copyright (c) 1997 Marc Horowitz. 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 Marc Horowitz.
* 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.
*/
/*
* XXX this driver frontend is *very* i386 dependent and should be relocated
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <dev/ic/i82365reg.h>
#include <dev/ic/i82365var.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/i82365_pcivar.h>
#include <dev/isa/i82365_isavar.h>
/*
* PCI constants.
* XXX These should be in a common file!
*/
#define PCI_CBIO 0x10 /* Configuration Base IO Address */
int pcic_pci_match(struct device *, void *, void *);
void pcic_pci_attach(struct device *, struct device *, void *);
const struct cfattach pcic_pci_ca = {
sizeof(struct pcic_pci_softc), pcic_pci_match, pcic_pci_attach
};
static struct pcmcia_chip_functions pcic_pci_functions = {
pcic_chip_mem_alloc,
pcic_chip_mem_free,
pcic_chip_mem_map,
pcic_chip_mem_unmap,
pcic_chip_io_alloc,
pcic_chip_io_free,
pcic_chip_io_map,
pcic_chip_io_unmap,
/* XXX */
pcic_isa_chip_intr_establish,
pcic_isa_chip_intr_disestablish,
pcic_isa_chip_intr_string,
pcic_chip_socket_enable,
pcic_chip_socket_disable,
};
int
pcic_pci_match(struct device *parent, void *match, void *aux)
{
struct pci_attach_args *pa = (struct pci_attach_args *) aux;
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_CIRRUS &&
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CIRRUS_CL_PD6729)
return (1);
return (0);
}
void
pcic_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct pcic_softc *sc = (void *) self;
struct pcic_pci_softc *psc = (void *) self;
struct pcic_handle *h;
struct pci_attach_args *pa = aux;
pci_chipset_tag_t pc = pa->pa_pc;
bus_space_tag_t memt = pa->pa_memt;
bus_space_handle_t memh;
bus_size_t size;
int irq, i;
if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
&sc->iot, &sc->ioh, NULL, &size, 0)) {
printf(": can't map i/o space\n");
return;
}
/*
* XXX need some memory for mapping pcmcia cards into. Ideally, this
* would be completely dynamic. Practically this doesn't work,
* because the extent mapper doesn't know about all the devices all
* the time. With ISA we could finesse the issue by specifying the
* memory region in the config line. We can't do that here, so we
* cheat for now. Jason Thorpe, you are my Savior, come up with a fix
* :-)
*/
/* Map mem space. */
if (bus_space_map(memt, 0xd0000, 0x10000, 0, &memh)) {
printf(": can't map mem space");
bus_space_unmap(sc->iot, sc->ioh, size);
return;
}
sc->membase = 0xd0000;
sc->subregionmask = (1 << (0x10000 / PCIC_MEM_PAGESIZE)) - 1;
/* same deal for io allocation */
sc->iobase = 0x400;
sc->iosize = 0xbff;
/* end XXX */
sc->pct = (pcmcia_chipset_tag_t) & pcic_pci_functions;
sc->memt = memt;
sc->memh = memh;
printf("\n");
pcic_attach(sc);
pcic_attach_sockets(sc);
/*
* Check to see if we're using PCI or ISA interrupts. I don't
* know of any i386 systems that use the 6729 in PCI interrupt
* mode, but maybe when the PCMCIA code runs on other platforms
* we'll need to fix this.
*/
pcic_write(&sc->handle[0], PCIC_CIRRUS_EXTENDED_INDEX,
PCIC_CIRRUS_EXT_CONTROL_1);
if ((pcic_read(&sc->handle[0], PCIC_CIRRUS_EXTENDED_DATA) &
PCIC_CIRRUS_EXT_CONTROL_1_PCI_INTR_MASK)) {
printf("%s: PCI interrupts not supported\n",
sc->dev.dv_xname);
return;
}
psc->intr_est = pcic_pci_machdep_intr_est(pc);
irq = pcic_intr_find(sc, IST_EDGE);
/* Map and establish the interrupt. */
if (irq) {
sc->ih = pcic_pci_machdep_pcic_intr_establish(sc, pcic_intr);
if (sc->ih == NULL) {
printf("%s: couldnt map interrupt\n", sc->dev.dv_xname);
bus_space_unmap(memt, memh, 0x10000);
bus_space_unmap(sc->iot, sc->ioh, size);
return;
}
}
sc->irq = irq;
if (irq) {
printf("%s: irq %d, ", sc->dev.dv_xname, irq);
/* Set up the pcic to interrupt on card detect. */
for (i = 0; i < PCIC_NSLOTS; i++) {
h = &sc->handle[i];
if (h->flags & PCIC_FLAG_SOCKETP) {
pcic_write(h, PCIC_CSC_INTR,
(sc->irq << PCIC_CSC_INTR_IRQ_SHIFT) |
PCIC_CSC_INTR_CD_ENABLE);
}
}
} else
printf("%s: no irq, ", sc->dev.dv_xname);
printf("polling enabled\n");
if (sc->poll_established == 0) {
timeout_set(&sc->poll_timeout, pcic_poll_intr, sc);
timeout_add_msec(&sc->poll_timeout, 500);
sc->poll_established = 1;
}
}
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