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/* $OpenBSD: ciss_pci.c,v 1.2 2005/07/09 21:47:20 mickey Exp $ */
/*
* Copyright (c) 2005 Michael Shalayeff
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pcivar.h>
#include <machine/bus.h>
#include <scsi/scsi_all.h>
#include <scsi/scsi_disk.h>
#include <scsi/scsiconf.h>
#include <dev/ic/cissreg.h>
#include <dev/ic/cissvar.h>
#define CISS_BAR 0x10
int ciss_pci_find_device(void *);
int ciss_pci_match(struct device *, void *, void *);
void ciss_pci_attach(struct device *, struct device *, void *);
struct cfattach ciss_pci_ca = {
sizeof(struct ciss_softc), ciss_pci_match, ciss_pci_attach
};
const struct pci_matchid ciss_pci_devices[] = {
{ PCI_VENDOR_COMPAQ, PCI_PRODUCT_COMPAQ_CSA532 },
{ PCI_VENDOR_COMPAQ, PCI_PRODUCT_COMPAQ_CSA5300 },
{ PCI_VENDOR_COMPAQ, PCI_PRODUCT_COMPAQ_CSA5300_2 },
{ PCI_VENDOR_COMPAQ, PCI_PRODUCT_COMPAQ_CSA5312 },
{ PCI_VENDOR_COMPAQ, PCI_PRODUCT_COMPAQ_CSA5i },
{ PCI_VENDOR_COMPAQ, PCI_PRODUCT_COMPAQ_CSA5i_2 },
{ PCI_VENDOR_COMPAQ, PCI_PRODUCT_COMPAQ_CSA641 },
{ PCI_VENDOR_COMPAQ, PCI_PRODUCT_COMPAQ_CSA642 },
{ PCI_VENDOR_COMPAQ, PCI_PRODUCT_COMPAQ_CSA6400 },
{ PCI_VENDOR_COMPAQ, PCI_PRODUCT_COMPAQ_CSA6400EM },
{ PCI_VENDOR_COMPAQ, PCI_PRODUCT_COMPAQ_CSA6422 },
{ PCI_VENDOR_HP, PCI_PRODUCT_HP_HPSAV100 },
{ PCI_VENDOR_HP, PCI_PRODUCT_HP_HPSAP800 },
{ PCI_VENDOR_HP, PCI_PRODUCT_HP_HPSAP600 },
{ PCI_VENDOR_HP, PCI_PRODUCT_HP_HPSAE400 },
};
#define CISS_PCI_NDEVS sizeof(ciss_pci_devices)/sizeof(ciss_pci_devices[0])
int
ciss_pci_match(struct device *parent, void *match, void *aux)
{
struct pci_attach_args *pa = aux;
return pci_matchbyid(pa, ciss_pci_devices, CISS_PCI_NDEVS);
}
void
ciss_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct ciss_softc *sc = (struct ciss_softc *)self;
struct pci_attach_args *pa = aux;
bus_size_t size, cfgsz;
pci_intr_handle_t ih;
const char *intrstr;
int cfg_bar, memtype;
memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, CISS_BAR);
if (memtype != (PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT) &&
memtype != (PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT)) {
printf(": wrong BAR type\n");
return;
}
if (pci_mapreg_map(pa, CISS_BAR, memtype, 0,
&sc->iot, &sc->ioh, NULL, &size, 0)) {
printf(": can't map controller i/o space\n");
return;
}
sc->dmat = pa->pa_dmat;
sc->iem = CISS_READYENA;
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_COMPAQ &&
(PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_COMPAQ_CSA5i ||
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_COMPAQ_CSA532 ||
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_COMPAQ_CSA5312))
sc->iem = CISS_READYENAB;
cfg_bar = bus_space_read_2(sc->iot, sc->ioh, CISS_CFG_BAR);
sc->cfgoff = bus_space_read_4(sc->iot, sc->ioh, CISS_CFG_OFF);
if (cfg_bar != CISS_BAR) {
if (pci_mapreg_map(pa, cfg_bar, PCI_MAPREG_TYPE_MEM, 0,
NULL, &sc->cfg_ioh, NULL, &cfgsz, 0)) {
printf(": can't map controller config space\n");
bus_space_unmap(sc->iot, sc->ioh, size);
return;
}
} else {
sc->cfg_ioh = sc->ioh;
cfgsz = size;
}
if (sc->cfgoff + sizeof(struct ciss_config) > cfgsz) {
printf(": unfit config space\n");
bus_space_unmap(sc->iot, sc->ioh, size);
if (cfg_bar != CISS_BAR)
bus_space_unmap(sc->iot, sc->cfg_ioh, cfgsz);
return;
}
/* disable interrupts until ready */
bus_space_write_4(sc->iot, sc->ioh, CISS_IMR,
bus_space_read_4(sc->iot, sc->ioh, CISS_IMR) | sc->iem);
/* enable bus mastering (should not it be mi?) */
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
PCI_COMMAND_MASTER_ENABLE);
if (pci_intr_map(pa, &ih)) {
printf(": can't map interrupt\n");
bus_space_unmap(sc->iot, sc->ioh, size);
if (cfg_bar != CISS_BAR)
bus_space_unmap(sc->iot, sc->cfg_ioh, cfgsz);
return;
}
intrstr = pci_intr_string(pa->pa_pc, ih);
sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, ciss_intr, sc,
sc->sc_dev.dv_xname);
if (!sc->sc_ih) {
printf(": can't establish interrupt");
if (intrstr)
printf(" at %s", intrstr);
printf("\n");
bus_space_unmap(sc->iot, sc->ioh, size);
if (cfg_bar != CISS_BAR)
bus_space_unmap(sc->iot, sc->cfg_ioh, cfgsz);
}
printf(": %s\n%s", intrstr, sc->sc_dev.dv_xname);
if (ciss_attach(sc)) {
pci_intr_disestablish(pa->pa_pc, sc->sc_ih);
sc->sc_ih = NULL;
bus_space_unmap(sc->iot, sc->ioh, size);
if (cfg_bar != CISS_BAR)
bus_space_unmap(sc->iot, sc->cfg_ioh, cfgsz);
return;
}
/* enable interrupts now */
bus_space_write_4(sc->iot, sc->ioh, CISS_IMR,
bus_space_read_4(sc->iot, sc->ioh, CISS_IMR) & ~sc->iem);
}
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