1 /* $OpenBSD: ccp_acpi.c,v 1.4 2022/04/06 18:59:27 naddy Exp $ */ 2 /* 3 * Copyright (c) 2019 Mark Kettenis 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #include <sys/param.h> 19 #include <sys/systm.h> 20 21 #include <dev/acpi/acpireg.h> 22 #include <dev/acpi/acpivar.h> 23 #include <dev/acpi/acpidev.h> 24 #include <dev/acpi/amltypes.h> 25 #include <dev/acpi/dsdt.h> 26 27 #include <dev/ic/ccpvar.h> 28 29 struct ccp_acpi_softc { 30 struct ccp_softc sc; 31 struct acpi_softc *sc_acpi; 32 struct aml_node *sc_node; 33 }; 34 35 int ccp_acpi_match(struct device *, void *, void *); 36 void ccp_acpi_attach(struct device *, struct device *, void *); 37 38 const struct cfattach ccp_acpi_ca = { 39 sizeof(struct ccp_acpi_softc), ccp_acpi_match, ccp_acpi_attach 40 }; 41 42 const char *ccp_hids[] = { 43 "AMDI0C00", 44 NULL 45 }; 46 47 int 48 ccp_acpi_match(struct device *parent, void *match, void *aux) 49 { 50 struct acpi_attach_args *aaa = aux; 51 struct cfdata *cf = match; 52 53 if (aaa->aaa_naddr < 1) 54 return 0; 55 return acpi_matchhids(aaa, ccp_hids, cf->cf_driver->cd_name); 56 } 57 58 void 59 ccp_acpi_attach(struct device *parent, struct device *self, void *aux) 60 { 61 struct ccp_acpi_softc *sc = (struct ccp_acpi_softc *)self; 62 struct acpi_attach_args *aaa = aux; 63 64 sc->sc_acpi = (struct acpi_softc *)parent; 65 sc->sc_node = aaa->aaa_node; 66 printf(" %s", sc->sc_node->name); 67 68 printf(" addr 0x%llx/0x%llx", aaa->aaa_addr[0], aaa->aaa_size[0]); 69 70 sc->sc.sc_iot = aaa->aaa_bst[0]; 71 if (bus_space_map(sc->sc.sc_iot, aaa->aaa_addr[0], aaa->aaa_size[0], 72 0, &sc->sc.sc_ioh)) { 73 printf(": can't map registers\n"); 74 return; 75 } 76 77 ccp_attach(&sc->sc); 78 } 79