/*      $NetBSD: adv_cardbus.c,v 1.31 2022/09/25 17:33:19 thorpej Exp $ */

/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/

/*
* this file was brought from ahc_cardbus.c and adv_pci.c
* and modified by YAMAMOTO Takashi.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: adv_cardbus.c,v 1.31 2022/09/25 17:33:19 thorpej Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/queue.h>
#include <sys/device.h>

#include <sys/bus.h>
#include <sys/intr.h>

#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsiconf.h>

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

#include <dev/cardbus/cardbusvar.h>
#include <dev/pci/pcidevs.h>

#include <dev/ic/advlib.h>
#include <dev/ic/adv.h>

#define ADV_CARDBUS_IOBA PCI_BAR0
#define ADV_CARDBUS_MMBA PCI_BAR1

#define ADV_CARDBUS_DEBUG
#define ADV_CARDBUS_ALLOW_MEMIO

#define DEVNAME(sc) device_xname((sc)->sc_dev)

struct adv_cardbus_softc {
       struct asc_softc sc_adv;        /* real ADV */

       /* CardBus-specific goo. */
       cardbus_devfunc_t sc_ct;        /* our CardBus devfuncs */
       pcitag_t sc_tag;

       int     sc_bar;
       pcireg_t        sc_csr;
       bus_size_t sc_size;
};

int     adv_cardbus_match(device_t, cfdata_t, void *);
void    adv_cardbus_attach(device_t, device_t, void *);
int     adv_cardbus_detach(device_t, int);

CFATTACH_DECL_NEW(adv_cardbus, sizeof(struct adv_cardbus_softc),
   adv_cardbus_match, adv_cardbus_attach, adv_cardbus_detach, NULL);

int
adv_cardbus_match(device_t parent, cfdata_t match, void *aux)
{
       struct cardbus_attach_args *ca = aux;

       if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_ADVSYS &&
           PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_ADVSYS_ULTRA)
               return (1);

       return (0);
}

void
adv_cardbus_attach(device_t parent, device_t self, void *aux)
{
       struct cardbus_attach_args *ca = aux;
       struct adv_cardbus_softc *csc = device_private(self);
       struct asc_softc *sc = &csc->sc_adv;
       cardbus_devfunc_t ct = ca->ca_ct;
       bus_space_tag_t iot;
       bus_space_handle_t ioh;
       pcireg_t reg;
       u_int8_t latency = 0x20;

       sc->sc_dev = self;
       sc->sc_flags = 0;

       if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_ADVSYS) {
               switch (PCI_PRODUCT(ca->ca_id)) {
               case PCI_PRODUCT_ADVSYS_1200A:
                       aprint_normal(": AdvanSys ASC1200A SCSI adapter\n");
                       latency = 0;
                       break;

               case PCI_PRODUCT_ADVSYS_1200B:
                       aprint_normal(": AdvanSys ASC1200B SCSI adapter\n");
                       latency = 0;
                       break;

               case PCI_PRODUCT_ADVSYS_ULTRA:
                       switch (PCI_REVISION(ca->ca_class)) {
                       case ASC_PCI_REVISION_3050:
                               aprint_normal(": AdvanSys ABP-9xxUA "
                                   "SCSI adapter\n");
                               break;

                       case ASC_PCI_REVISION_3150:
                               aprint_normal(": AdvanSys ABP-9xxU "
                                   "SCSI adapter\n");
                               break;
                       }
                       break;

               default:
                       aprint_error(": unknown model!\n");
                       return;
               }
       }

       csc->sc_ct = ct;
       csc->sc_tag = ca->ca_tag;

       /*
        * Map the device.
        */
       csc->sc_csr = PCI_COMMAND_MASTER_ENABLE;

#ifdef ADV_CARDBUS_ALLOW_MEMIO
       if (Cardbus_mapreg_map(csc->sc_ct, ADV_CARDBUS_MMBA,
           PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
           &iot, &ioh, NULL, &csc->sc_size) == 0) {
#ifdef ADV_CARDBUS_DEBUG
               printf("%s: memio enabled\n", DEVNAME(sc));
#endif
               csc->sc_bar = ADV_CARDBUS_MMBA;
               csc->sc_csr |= PCI_COMMAND_MEM_ENABLE;
       } else
#endif
       if (Cardbus_mapreg_map(csc->sc_ct, ADV_CARDBUS_IOBA,
           PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, &csc->sc_size) == 0) {
#ifdef ADV_CARDBUS_DEBUG
               printf("%s: io enabled\n", DEVNAME(sc));
#endif
               csc->sc_bar = ADV_CARDBUS_IOBA;
               csc->sc_csr |= PCI_COMMAND_IO_ENABLE;
       } else {
               csc->sc_bar = 0;
               aprint_error_dev(self, "unable to map device registers\n");
               return;
       }

       /* Enable the appropriate bits in the PCI CSR. */
       reg = Cardbus_conf_read(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG);
       reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE);
       reg |= csc->sc_csr;
       Cardbus_conf_write(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg);

       /*
        * Make sure the latency timer is set to some reasonable
        * value.
        */
       reg = Cardbus_conf_read(ct, ca->ca_tag, PCI_BHLC_REG);
       if (PCI_LATTIMER(reg) < latency) {
               reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
               reg |= (latency << PCI_LATTIMER_SHIFT);
               Cardbus_conf_write(ct, ca->ca_tag, PCI_BHLC_REG, reg);
       }

       ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT);
       ASC_SET_CHIP_STATUS(iot, ioh, 0);

       sc->sc_iot = iot;
       sc->sc_ioh = ioh;
       sc->sc_dmat = ca->ca_dmat;
       sc->pci_device_id = ca->ca_id;
       sc->bus_type = ASC_IS_PCI;
       sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh);

       /*
        * Initialize the board
        */
       if (adv_init(sc)) {
               aprint_error_dev(self, "adv_init failed\n");
               return;
       }

       /*
        * Establish the interrupt.
        */
       sc->sc_ih = Cardbus_intr_establish(ct, IPL_BIO, adv_intr, sc);
       if (sc->sc_ih == NULL) {
               aprint_error_dev(self, "unable to establish interrupt\n");
               return;
       }

       /*
        * Attach.
        */
       adv_attach(sc);
}

int
adv_cardbus_detach(device_t self, int flags)
{
       struct adv_cardbus_softc *csc = device_private(self);
       struct asc_softc *sc = &csc->sc_adv;

       int rv;

       rv = adv_detach(sc, flags);
       if (rv)
               return rv;

       if (sc->sc_ih) {
               Cardbus_intr_disestablish(csc->sc_ct, sc->sc_ih);
               sc->sc_ih = 0;
       }

       if (csc->sc_bar != 0) {
               Cardbus_mapreg_unmap(csc->sc_ct, csc->sc_bar,
                   sc->sc_iot, sc->sc_ioh, csc->sc_size);
               csc->sc_bar = 0;
       }

       return 0;
}

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