/* $NetBSD: dec_alphabook1.c,v 1.27 2012/10/13 17:58:54 jdc Exp $ */

/*
 * Copyright (c) 1995, 1996, 1997 Carnegie-Mellon University.
 * All rights reserved.
 *
 * Author: Chris G. Demetriou
 *
 * Permission to use, copy, modify and distribute this software and
 * its documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 *
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 *
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie the
 * rights to redistribute these changes.
 */
/*
 * Additional Copyright (c) 1997 by Matthew Jacob for NASA/Ames Research Center
 */

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/termios.h>
#include <sys/conf.h>
#include <dev/cons.h>

#include <machine/rpb.h>
#include <machine/autoconf.h>
#include <machine/cpuconf.h>

#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>

#include <dev/isa/isareg.h>
#include <dev/isa/isavar.h>
#include <dev/ic/i8042reg.h>
#include <dev/ic/pckbcvar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>

#include <alpha/pci/lcareg.h>
#include <alpha/pci/lcavar.h>

#include <scsi/scsi_all.h>
#include <scsi/scsiconf.h>

#include "pckbd.h"

#ifndef CONSPEED
#define CONSPEED TTYDEF_SPEED
#endif
static int comcnrate = CONSPEED;

void dec_alphabook1_init(void);
static void dec_alphabook1_cons_init(void);
static void dec_alphabook1_device_register(struct device *, void *);

const struct alpha_variation_table dec_alphabook1_variations[] = {
        { 0, "AlphaBook" },
        { 0, NULL },
};

void
dec_alphabook1_init(void)
{
        uint64_t variation;

        platform.family = "AlphaBook";

        if ((platform.model = alpha_dsr_sysname()) == NULL) {
                variation = hwrpb->rpb_variation & SV_ST_MASK;
                if ((platform.model = alpha_variation_name(variation,
                    dec_alphabook1_variations)) == NULL)
                        platform.model = alpha_unknown_sysname();
        }

        platform.iobus = "lca";
        platform.cons_init = dec_alphabook1_cons_init;
        platform.device_register = dec_alphabook1_device_register;
}

static void
dec_alphabook1_cons_init(void)
{
        struct ctb *ctb;
        struct lca_config *lcp;
        extern struct lca_config lca_configuration;

        lcp = &lca_configuration;
        lca_init(lcp, 0);

        ctb = (struct ctb *)(((char *)hwrpb) + hwrpb->rpb_ctb_off);

        switch (ctb->ctb_term_type) {
        case CTB_PRINTERPORT:
                /* serial console ... */
                /* XXX */
                {
                        /*
                         * Delay to allow PROM putchars to complete.
                         * FIFO depth * character time,
                         * character time = (1000000 / (defaultrate / 10))
                         */
                        DELAY(160000000 / comcnrate);

                        if(comcnattach(&lcp->lc_iot, 0x3f8, comcnrate,
                            COM_FREQ,
                            (TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8))
                                panic("can't init serial console");

                        break;
                }

        case CTB_GRAPHICS:
#if NPCKBD > 0
                /* display console ... */
                /* XXX */
                (void) pckbc_cnattach(&lcp->lc_iot, IO_KBD, KBCMDP, 0);

                if (CTB_TURBOSLOT_TYPE(ctb->ctb_turboslot) ==
                    CTB_TURBOSLOT_TYPE_ISA)
                        isa_display_console(&lcp->lc_iot, &lcp->lc_memt);
                else
                        pci_display_console(&lcp->lc_iot, &lcp->lc_memt,
                            &lcp->lc_pc, CTB_TURBOSLOT_BUS(ctb->ctb_turboslot),
                            CTB_TURBOSLOT_SLOT(ctb->ctb_turboslot), 0);
#else
                panic("not configured to use display && keyboard console");
#endif
                break;

        default:
                printf("ctb->ctb_term_type = 0x%lx\n",
                    (unsigned long)ctb->ctb_term_type);
                printf("ctb->ctb_turboslot = 0x%lx\n",
                    (unsigned long)ctb->ctb_turboslot);

                panic("consinit: unknown console type %lu",
                    (unsigned long)ctb->ctb_term_type);
        }
}

static void
dec_alphabook1_device_register(struct device *dev, void *aux)
{
        static int found, initted, diskboot, netboot;
        static struct device *pcidev, *ctrlrdev;
        struct bootdev_data *b = bootdev_data;
        struct device *parent = dev->dv_parent;
        struct cfdata *cf = dev->dv_cfdata;
        struct cfdriver *cd = cf->cf_driver;

        if (found)
                return;

        if (!initted) {
                diskboot = (strncasecmp(b->protocol, "SCSI", 4) == 0);
                netboot = (strncasecmp(b->protocol, "BOOTP", 5) == 0) ||
                    (strncasecmp(b->protocol, "MOP", 3) == 0);
#if 0
                printf("diskboot = %d, netboot = %d\n", diskboot, netboot);
#endif
                initted =1;
        }

        if (pcidev == NULL) {
                if (strcmp(cd->cd_name, "pci"))
                        return;
                else {
                        struct pcibus_attach_args *pba = aux;

                        if ((b->slot / 1000) != pba->pba_bus)
                                return;

                        pcidev = dev;
#if 0
                        printf("\npcidev = %s\n", device_xname(dev));
#endif
                        return;
                }
        }

        if (ctrlrdev == NULL) {
                if (parent != pcidev)
                        return;
                else {
                        struct pci_attach_args *pa = aux;
                        int slot;

                        slot = pa->pa_bus * 1000 + pa->pa_function * 100 +
                            pa->pa_device;
                        if (b->slot != slot)
                                return;

                        if (netboot) {
                                booted_device = dev;
#if 0
                                printf("\nbooted_device = %s\n", device_xname(dev));
#endif
                                found = 1;
                        } else {
                                ctrlrdev = dev;
#if 0
                                printf("\nctrlrdev = %s\n", device_xname(dev));
#endif
                        }
                        return;
                }
        }

        if (!diskboot)
                return;

        if (!strcmp(cd->cd_name, "sd") || !strcmp(cd->cd_name, "st") ||
            !strcmp(cd->cd_name, "cd")) {
                struct scsi_attach_args *sa = aux;
                struct scsi_link *periph = sa->sa_sc_link;
                int unit;

                if (parent->dv_parent != ctrlrdev)
                        return;

                unit = periph->target * 100 + periph->lun;
                if (b->unit != unit)
                        return;

                /* we've found it! */
                booted_device = dev;
#if 0
                printf("\nbooted_device = %s\n", device_xname(dev));
#endif
                found = 1;
        }
}