/* $NetBSD: hpcioman.c,v 1.21 2021/08/07 16:19:11 thorpej Exp $ */

/* $NetBSD: hpcioman.c,v 1.21 2021/08/07 16:19:11 thorpej Exp $ */

/*-
* Copyright (c) 1999-2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by UCHIYAMA Yasushi.
*
* 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.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: hpcioman.c,v 1.21 2021/08/07 16:19:11 thorpej Exp $");

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

#include <machine/config_hook.h>
#include <machine/platid.h>
#include <machine/platid_mask.h>

#include <sys/bus.h>
#include <dev/hpc/hpciovar.h>
#include <dev/hpc/hpciomanvar.h>

#include "locators.h"

int hpcioman_match(device_t, cfdata_t, void *);
void hpcioman_attach(device_t, device_t, void *);
int hpcioman_print(void *, const char *);
int hpcioman_search(device_t, cfdata_t, const int *, void *);

CFATTACH_DECL_NEW(hpcioman, 0,
hpcioman_match, hpcioman_attach, NULL, NULL);

int
hpcioman_match(device_t parent, cfdata_t cf, void *aux)
{
struct hpcio_attach_args *haa = aux;
platid_mask_t mask;

if (strcmp(haa->haa_busname, HPCIO_BUSNAME))
return (0);
/* select platform */
mask = PLATID_DEREF(cf->cf_loc[HPCIOIFCF_PLATFORM]);

return (platid_match(&platid, &mask));
}

void
hpcioman_attach(device_t parent, device_t self, void *aux)
{
printf("\n");

config_search(self, aux,
CFARGS(.search = hpcioman_search));
}

int
hpcioman_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
{
struct hpcio_attach_args *haa = aux;
struct hpcioman_attach_args hma;

/* get io chip */
hma.hma_hc = (*haa->haa_getchip)(haa->haa_sc, cf->cf_iochip);

/* interrupt mode */
if (cf->cf_level != HPCIOMANCF_LEVEL_DEFAULT) {
switch (cf->cf_hold) {
case 1:
hma.hma_intr_mode = HPCIO_INTR_HOLD;
break;
case 0:
case HPCIOMANCF_HOLD_DEFAULT:
default:
hma.hma_intr_mode = HPCIO_INTR_THROUGH;
break;
}
hma.hma_intr_mode |= HPCIO_INTR_LEVEL;
if (cf->cf_level == 0)
hma.hma_intr_mode |= HPCIO_INTR_LOW;
else
hma.hma_intr_mode |= HPCIO_INTR_HIGH;
} else {
switch (cf->cf_hold) {
case 0:
hma.hma_intr_mode = HPCIO_INTR_THROUGH;
break;
case 1:
case HPCIOMANCF_HOLD_DEFAULT:
default:
hma.hma_intr_mode = HPCIO_INTR_HOLD;
break;
}
hma.hma_intr_mode |= HPCIO_INTR_EDGE;
switch (cf->cf_edge) {
case 1:
hma.hma_intr_mode |= HPCIO_INTR_POSEDGE;
break;
case 2:
hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE;
break;
case 0:
case 3:
case HPCIOMANCF_EDGE_DEFAULT:
hma.hma_intr_mode |= HPCIO_INTR_POSEDGE;
hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE;
break;
default:
printf("%s(%d): invalid configuration, edge=%d",
__FILE__, __LINE__, cf->cf_edge);
break;
}
}

hma.hma_type = cf->cf_type;
hma.hma_id = cf->cf_id;
hma.hma_port = cf->cf_port;
if (cf->cf_active == 0) {
hma.hma_on = 0;
hma.hma_off = 1;
} else {
hma.hma_on = 1;
hma.hma_off = 0;
}
hma.hma_initvalue = -1; /* none */
if (cf->cf_initvalue != HPCIOMANCF_INITVALUE_DEFAULT) {
if (cf->cf_initvalue == 0)
hma.hma_initvalue = hma.hma_off;
else
hma.hma_initvalue = hma.hma_on;
}
hma.hma_connect = cf->cf_connect;

config_attach(parent, cf, &hma, hpcioman_print, CFARGS_NONE);

return (0);
}

int
hpcioman_print(void *aux, const char *pnp)
{
struct hpcioman_attach_args *hma = aux;
int type = hma->hma_type;

if (!pnp) {
aprint_normal(" iochip %s, port %d, type %d, id %d",
hma->hma_hc ? hma->hma_hc->hc_name : "not found",
hma->hma_port, type, hma->hma_id);
if (type == CONFIG_HOOK_BUTTONEVENT ||
type == CONFIG_HOOK_PMEVENT ||
type == CONFIG_HOOK_EVENT ||
type == CONFIG_HOOK_PCIINTR) {
if (hma->hma_intr_mode & HPCIO_INTR_EDGE)
aprint_normal (", interrupt edge [%s%s]",
(hma->hma_intr_mode&HPCIO_INTR_POSEDGE)
? "p" : "",
(hma->hma_intr_mode&HPCIO_INTR_NEGEDGE)
? "n" : "");
else
aprint_normal (", interrupt level %s",
(hma->hma_intr_mode&HPCIO_INTR_HIGH) ?
"high" : "low");
}
if (hma->hma_initvalue != -1)
aprint_normal(", initial value %d", hma->hma_initvalue);
if (hma->hma_on == 0)
aprint_normal(", active low");
}

return (QUIET);
}