/* $NetBSD: amdccp_acpi.c,v 1.2 2018/10/21 11:09:20 jmcneill Exp $ */
/*
* Copyright (c) 2018 Jonathan A. Kollasch
* 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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: amdccp_acpi.c,v 1.2 2018/10/21 11:09:20 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/cpu.h>
#include <sys/device.h>
#include <dev/acpi/acpireg.h>
#include <dev/acpi/acpivar.h>
#include <dev/ic/amdccpvar.h>
static int amdccp_acpi_match(device_t, cfdata_t, void *);
static void amdccp_acpi_attach(device_t, device_t, void *);
CFATTACH_DECL_NEW(amdccp_acpi, sizeof(struct amdccp_softc),
amdccp_acpi_match, amdccp_acpi_attach, NULL, NULL);
static const char * const compatible[] = {
"AMDI0C00",
NULL
};
static int
amdccp_acpi_match(device_t parent, cfdata_t cf, void *aux)
{
struct acpi_attach_args *aa = aux;
if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE)
return 0;
return acpi_match_hid(aa->aa_node->ad_devinfo, compatible);
}
static void
amdccp_acpi_attach(device_t parent, device_t self, void *aux)
{
struct amdccp_softc * const sc = device_private(self);
struct acpi_attach_args *aa = aux;
struct acpi_resources res;
struct acpi_mem *mem;
#if notyet
struct acpi_irq *irq;
#endif
ACPI_STATUS rv;
#if notyet
void *ih;
#endif
sc->sc_dev = self;
rv = acpi_resource_parse(sc->sc_dev, aa->aa_node->ad_handle, "_CRS",
&res, &acpi_resource_parse_ops_default);
if (ACPI_FAILURE(rv))
return;
mem = acpi_res_mem(&res, 0);
if (mem == NULL) {
aprint_error_dev(self, "couldn't find mem resource\n");
goto done;
}
#if notyet
irq = acpi_res_irq(&res, 0);
if (irq == NULL) {
aprint_error_dev(self, "couldn't find irq resource\n");
goto done;
}
#endif
sc->sc_bst = aa->aa_memt;
if (bus_space_map(aa->aa_memt, mem->ar_base, mem->ar_length, 0, &sc->sc_bsh) != 0) {
aprint_error_dev(self, "couldn't map registers\n");
goto done;
}
#if notyet
const int type = (irq->ar_type == ACPI_EDGE_SENSITIVE) ? IST_EDGE : IST_LEVEL;
ih = intr_establish(irq->ar_irq, IPL_VM, type | IST_MPSAFE, amdccp_intr, sc);
if (ih == NULL) {
aprint_error_dev(self, "couldn't install interrupt handler\n");
return;
}
#endif
amdccp_common_attach(sc);
done:
acpi_resource_cleanup(&res);
}