/* $NetBSD: mpt_pci.c,v 1.26 2018/12/02 13:17:19 jdolecek Exp $ */

/* $NetBSD: mpt_pci.c,v 1.26 2018/12/02 13:17:19 jdolecek Exp $ */

/*
* Copyright (c) 2003 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Jason R. Thorpe for Wasabi Systems, Inc.
*
* 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 for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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.
*/

/*
* Additional contributions by Garrett D'Amore on behalf of TELES AG.
*/

/*
* mpt_pci.c:
*
* NetBSD PCI-specific routines for LSI Fusion adapters.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: mpt_pci.c,v 1.26 2018/12/02 13:17:19 jdolecek Exp $");

#include <dev/ic/mpt.h> /* pulls in all headers */

#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>

#define MPT_PCI_MMBA (PCI_MAPREG_START+0x04)

struct mpt_pci_softc {
mpt_softc_t sc_mpt;

pci_chipset_tag_t sc_pc;
pcitag_t sc_tag;

void *sc_ih;

/* Saved volatile PCI configuration registers. */
pcireg_t sc_pci_csr;
pcireg_t sc_pci_bhlc;
pcireg_t sc_pci_io_bar;
pcireg_t sc_pci_mem0_bar[2];
pcireg_t sc_pci_mem1_bar[2];
pcireg_t sc_pci_rom_bar;
pcireg_t sc_pci_int;
pcireg_t sc_pci_pmcsr;
};

#define MPP_F_FC 0x01 /* Fibre Channel adapter */
#define MPP_F_DUAL 0x02 /* Dual port adapter */

static const struct mpt_pci_product {
pci_vendor_id_t mpp_vendor;
pci_product_id_t mpp_product;
} mpt_pci_products[] = {
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_1030 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC909 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC909A },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929_1 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919_1},
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929X },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919X },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929X },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC939X },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC949X },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064A },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064E },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064E_2 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1066 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1066E },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068_2 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068E },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068E_2 },
{ 0, 0 }
};

static int
mpt_pci_match(device_t parent, cfdata_t cf, void *aux)
{
struct pci_attach_args *pa = aux;
const struct mpt_pci_product *mpp;

for (mpp = mpt_pci_products; mpp->mpp_vendor != 0; mpp++) {
if (PCI_VENDOR(pa->pa_id) == mpp->mpp_vendor &&
PCI_PRODUCT(pa->pa_id) == mpp->mpp_product)
return (1);
}

return (0);
}

static void
mpt_pci_attach(device_t parent, device_t self, void *aux)
{
struct mpt_pci_softc *psc = device_private(self);
mpt_softc_t *mpt = &psc->sc_mpt;
struct pci_attach_args *pa = aux;
pci_intr_handle_t ih;
const char *intrstr;
pcireg_t reg, memtype;
bus_space_tag_t memt;
bus_space_handle_t memh;
int memh_valid;
char intrbuf[PCI_INTRSTR_LEN];

pci_aprint_devinfo(pa, NULL);

psc->sc_pc = pa->pa_pc;
psc->sc_tag = pa->pa_tag;

mpt->sc_dev = self;
mpt->sc_dmat = pa->pa_dmat;

/*
* Map the device.
*/
memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, MPT_PCI_MMBA);
switch (memtype) {
case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
memh_valid = (pci_mapreg_map(pa, MPT_PCI_MMBA,
memtype, 0, &memt, &memh, NULL, NULL) == 0);
break;

default:
memh_valid = 0;
}

if (memh_valid) {
mpt->sc_st = memt;
mpt->sc_sh = memh;
} else {
aprint_error_dev(self, "unable to map device registers\n");
return;
}

/*
* Make sure the PCI command register is properly configured.
*/
reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
reg |= PCI_COMMAND_MASTER_ENABLE;
/* XXX PCI_COMMAND_INVALIDATE_ENABLE */
/* XXX PCI_COMMAND_PARITY_ENABLE */
/* XXX PCI_COMMAND_SERR_ENABLE */
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);

/*
* Disable split transactions on the 53c1020 and 53c1030 for
* revisions older than 8.
*/
if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SYMBIOS_1030) &&
(PCI_REVISION(pa->pa_class) < 0x08)) {
aprint_normal_dev(mpt->sc_dev, "applying 1030 quirk\n");
reg = pci_conf_read(pa->pa_pc, pa->pa_tag, 0x68);
reg &= 0x8fffff;
pci_conf_write(pa->pa_pc, pa->pa_tag, 0x68, reg);
}

/*
* Ensure that the ROM is disabled.
*/
reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM);
reg &= ~1;
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM, reg);

/*
* Map and establish our interrupt.
*/
if (pci_intr_map(pa, &ih) != 0) {
aprint_error_dev(mpt->sc_dev, "unable to map interrupt\n");
return;
}
intrstr = pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf));
psc->sc_ih = pci_intr_establish_xname(pa->pa_pc, ih, IPL_BIO, mpt_intr,
mpt, device_xname(mpt->sc_dev));
if (psc->sc_ih == NULL) {
aprint_error_dev(mpt->sc_dev, "unable to establish interrupt");
if (intrstr != NULL)
aprint_error(" at %s", intrstr);
aprint_error("\n");
return;
}
aprint_normal_dev(mpt->sc_dev, "interrupting at %s\n", intrstr);

/* Disable interrupts on the part. */
mpt_disable_ints(mpt);

/* Allocate DMA memory. */
if (mpt_dma_mem_alloc(mpt) != 0) {
aprint_error_dev(self, "unable to allocate DMA memory\n");
return;
}

/* Initialize the hardware. */
if (mpt_init(mpt, MPT_DB_INIT_HOST) != 0) {
/* Error message already printed. */
return;
}

/* Attach to scsipi. */
mpt_scsipi_attach(mpt);
}

CFATTACH_DECL_NEW(mpt_pci, sizeof(struct mpt_pci_softc),
mpt_pci_match, mpt_pci_attach, NULL, NULL);