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/* $OpenBSD: aac_pci.c,v 1.2 2001/06/12 15:40:29 niklas Exp $ */
/*-
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2000 BSDi
* Copyright (c) 2000 Niklas Hallqvist
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD: /c/ncvs/src/sys/dev/aac/aac_pci.c,v 1.1 2000/09/13 03:20:34 msmith Exp $
*/
/*
* This driver would not have rewritten for OpenBSD if it was not for the
* hardware dontion from Nocom. I want to thank them for their support.
* Of course, credit should go to Mike Smith for the original work he did
* in the FreeBSD driver where I found lots of inspiration.
* - Niklas Hallqvist
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/queue.h>
#include <machine/bus.h>
#include <machine/endian.h>
#include <machine/intr.h>
#include <scsi/scsi_all.h>
#include <scsi/scsiconf.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/ic/aacreg.h>
#include <dev/ic/aacvar.h>
int aac_pci_probe __P((struct device *, void *, void *));
void aac_pci_attach __P((struct device *, struct device *, void *));
struct aac_ident {
u_int16_t vendor;
u_int16_t device;
int hwif;
} aac_identifiers[] = {
{ PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_2SI, AAC_HWIF_I960RX },
{ PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_3DI, AAC_HWIF_I960RX },
{ PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_3SI, AAC_HWIF_I960RX },
{ PCI_VENDOR_ADP2, PCI_PRODUCT_ADP2_AAC2622, AAC_HWIF_I960RX },
{ PCI_VENDOR_ADP2, PCI_PRODUCT_ADP2_AAC364, AAC_HWIF_STRONGARM },
{ PCI_VENDOR_ADP2, PCI_PRODUCT_ADP2_AAC3642, AAC_HWIF_STRONGARM },
{ PCI_VENDOR_ADP2, PCI_PRODUCT_ADP2_PERC_2QC, AAC_HWIF_STRONGARM },
{ PCI_VENDOR_ADP2, PCI_PRODUCT_ADP2_PERC_3QC, AAC_HWIF_STRONGARM },
{ PCI_VENDOR_HP, PCI_PRODUCT_HP_NETRAID_4M, AAC_HWIF_STRONGARM },
{ 0, 0, 0 }
};
struct cfattach aac_pci_ca = {
sizeof (struct aac_softc), aac_pci_probe, aac_pci_attach
};
/*
* Determine whether this is one of our supported adapters.
*/
int
aac_pci_probe(parent, match, aux)
struct device *parent;
void *match;
void *aux;
{
struct pci_attach_args *pa = aux;
struct aac_ident *m;
for (m = aac_identifiers; m->vendor != 0; m++)
if (m->vendor == PCI_VENDOR(pa->pa_id) &&
m->device == PCI_PRODUCT(pa->pa_id))
return (1);
return (0);
}
void
aac_pci_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct pci_attach_args *pa = aux;
pci_chipset_tag_t pc = pa->pa_pc;
struct aac_softc *sc = (void *)self;
u_int16_t command;
bus_addr_t membase;
bus_size_t memsize;
pci_intr_handle_t ih;
const char *intrstr;
int state = 0;
struct aac_ident *m;
printf(": ");
/*
* Verify that the adapter is correctly set up in PCI space.
*/
command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
command |= PCI_COMMAND_MASTER_ENABLE;
pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
AAC_DPRINTF(AAC_D_MISC, ("pci command status reg 0x08x "));
if (!(command & PCI_COMMAND_MASTER_ENABLE)) {
printf("can't enable bus-master feature\n");
goto bail_out;
}
if (!(command & PCI_COMMAND_MEM_ENABLE)) {
printf("memory window not available\n");
goto bail_out;
}
/*
* Map control/status registers.
*/
if (pci_mapreg_map(pa, PCI_MAPREG_START,
PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_memt,
&sc->sc_memh, &membase, &memsize, AAC_REGSIZE)) {
printf("can't find mem space\n");
goto bail_out;
}
state++;
if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, pa->pa_intrline,
&ih)) {
printf("couldn't map interrupt\n");
goto bail_out;
}
intrstr = pci_intr_string(pc, ih);
sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, aac_intr, sc,
sc->sc_dev.dv_xname);
if (sc->sc_ih == NULL) {
printf("couldn't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
goto bail_out;
}
state++;
if (intrstr != NULL)
printf("%s\n", intrstr);
sc->sc_dmat = pa->pa_dmat;
for (m = aac_identifiers; m->vendor != 0; m++)
if (m->vendor == PCI_VENDOR(pa->pa_id) &&
m->device == PCI_PRODUCT(pa->pa_id)) {
sc->sc_hwif = m->hwif;
switch(sc->sc_hwif) {
case AAC_HWIF_I960RX:
AAC_DPRINTF(AAC_D_MISC,
("set hardware up for i960Rx"));
sc->sc_if = aac_rx_interface;
break;
case AAC_HWIF_STRONGARM:
AAC_DPRINTF(AAC_D_MISC,
("set hardware up for StrongARM"));
sc->sc_if = aac_sa_interface;
break;
}
break;
}
if (aac_attach(sc))
goto bail_out;
return;
bail_out:
if (state > 1)
pci_intr_disestablish(pc, sc->sc_ih);
if (state > 0)
bus_space_unmap(sc->sc_memt, sc->sc_memh, memsize);
return;
}
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