/* $NetBSD: amdccp_acpi.c,v 1.5.18.1 2022/12/19 11:37:15 martin 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 __KERNEL_RCSID(0, "$NetBSD: amdccp_acpi.c,v 1.5.18.1 2022/12/19 11:37:15 martin Exp $"); #include #include #include #include #include #include #include #include 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 struct device_compatible_entry compat_data[] = { { .compat = "AMDI0C00" }, DEVICE_COMPAT_EOL }; static int amdccp_acpi_match(device_t parent, cfdata_t cf, void *aux) { struct acpi_attach_args *aa = aux; return acpi_compatible_match(aa, compat_data); } 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; 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; } 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 ih = acpi_intr_establish(self, (uint64_t)(uintptr_t)aa->aa_node->ad_handle, IPL_VM, true, amdccp_intr, sc, device_xname(self)); if (ih == NULL) { aprint_error_dev(self, "couldn't install interrupt handler\n"); return; } #endif amdccp_common_attach(sc); pmf_device_register(self, NULL, NULL); done: acpi_resource_cleanup(&res); }