/* $NetBSD: acpi_quirks.c,v 1.22 2020/12/06 11:38:28 jmcneill Exp $ */

/* $NetBSD: acpi_quirks.c,v 1.22 2020/12/06 11:38:28 jmcneill Exp $ */

/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* 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 AUTHOR 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 AUTHOR 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.
*/

/*
* Copyright 2002 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Frank van der Linden 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.
*/

#include <sys/cdefs.h>

__KERNEL_RCSID(0, "$NetBSD: acpi_quirks.c,v 1.22 2020/12/06 11:38:28 jmcneill Exp $");

#include "opt_acpi.h"

#include <sys/param.h>

#include <dev/acpi/acpireg.h>
#include <dev/acpi/acpivar.h>

#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("acpi_quirks")

#define AQ_GT 0 /* > */
#define AQ_LT 1 /* < */
#define AQ_GTE 2 /* >= */
#define AQ_LTE 3 /* <= */
#define AQ_EQ 4 /* == */

static int acpi_quirks_revcmp(uint32_t, uint32_t, int);

static const struct acpi_quirk acpi_quirks[] = {

{ ACPI_SIG_FADT, "ASUS ", 0x30303031, AQ_LTE, "CUV4X-D ",
ACPI_QUIRK_BROKEN },

{ ACPI_SIG_FADT, "PTLTD ", 0x06040000, AQ_LTE, " FACP ",
ACPI_QUIRK_BROKEN },

{ ACPI_SIG_FADT, "NVIDIA", 0x06040000, AQ_EQ, "CK8 ",
ACPI_QUIRK_IRQ0 },

{ ACPI_SIG_FADT, "HP ", 0x06040012, AQ_LTE, "HWPC20F ",
ACPI_QUIRK_BROKEN },
};

static int
acpi_quirks_revcmp(uint32_t tabval, uint32_t wanted, int op)
{

switch (op) {

case AQ_GT:
return (tabval > wanted) ? 0 : 1;

case AQ_LT:
return (tabval < wanted) ? 0 : 1;

case AQ_LTE:
return (tabval <= wanted) ? 0 : 1;

case AQ_GTE:
return (tabval >= wanted) ? 0 : 1;

case AQ_EQ:
return (tabval == wanted) ? 0 : 1;

default:
return 1;
}
}

#ifdef ACPI_BLACKLIST_YEAR
static int
acpi_quirks_bios_year(void)
{
const char *datestr = pmf_get_platform("bios-date");
unsigned long date;

if (datestr == NULL)
return -1;

date = strtoul(datestr, NULL, 10);
if (date == 0 || date == ULONG_MAX)
return -1;
if (date < 19000000 || date > 99999999)
return -1;
return date / 10000;
}
#endif

/*
* Simple function to search the quirk table. Only to be
* used after AcpiLoadTables() has been successfully called.
*/
int
acpi_find_quirks(void)
{
ACPI_TABLE_HEADER fadt, dsdt, xsdt, *hdr;
const struct acpi_quirk *aq;
ACPI_STATUS rv;
size_t i, len;

#ifdef ACPI_BLACKLIST_YEAR
int year = acpi_quirks_bios_year();

if (year != -1 && year <= ACPI_BLACKLIST_YEAR)
return ACPI_QUIRK_OLDBIOS;
#endif

rv = AcpiGetTableHeader(ACPI_SIG_FADT, 0, &fadt);

if (ACPI_FAILURE(rv))
(void)memset(&fadt, 0, sizeof(fadt));

rv = AcpiGetTableHeader(ACPI_SIG_DSDT, 0, &dsdt);

if (ACPI_FAILURE(rv))
(void)memset(&dsdt, 0, sizeof(dsdt));

rv = AcpiGetTableHeader(ACPI_SIG_XSDT, 0, &xsdt);

if (ACPI_FAILURE(rv))
(void)memset(&xsdt, 0, sizeof(xsdt));

for (i = 0; i < __arraycount(acpi_quirks); i++) {

aq = &acpi_quirks[i];

if (strncmp(aq->aq_tabletype, ACPI_SIG_DSDT, 4) == 0)
hdr = &dsdt;
else if (strncmp(aq->aq_tabletype, ACPI_SIG_XSDT, 4) == 0)
hdr = &xsdt;
else if (strncmp(aq->aq_tabletype, ACPI_SIG_FADT, 4) == 0)
hdr = &fadt;
else {
continue;
}

len = strlen(aq->aq_oemid);

if (strncmp(aq->aq_oemid, hdr->OemId, len) != 0)
continue;

if (acpi_quirks_revcmp(aq->aq_oemrev,
hdr->OemRevision, aq->aq_cmpop) != 0)
continue;

len = strlen(aq->aq_tabid);

if (strncmp(aq->aq_tabid, hdr->OemTableId, len) != 0)
continue;

return aq->aq_quirks;
}

return 0;
}