diff options
Diffstat (limited to 'sys/dev/acpi/acpicpu.c')
| -rw-r--r-- | sys/dev/acpi/acpicpu.c | 55 |
1 files changed, 46 insertions, 9 deletions
diff --git a/sys/dev/acpi/acpicpu.c b/sys/dev/acpi/acpicpu.c index bd937ada416..aa1c4ee84c1 100644 --- a/sys/dev/acpi/acpicpu.c +++ b/sys/dev/acpi/acpicpu.c @@ -1,4 +1,4 @@ -/* $OpenBSD: acpicpu.c,v 1.1 2006/02/26 02:49:28 marco Exp $ */ +/* $OpenBSD: acpicpu.c,v 1.2 2006/02/26 04:38:38 marco Exp $ */ /* * Copyright (c) 2005 Marco Peereboom <marco@openbsd.org> * @@ -44,9 +44,12 @@ struct acpicpu_softc { struct acpi_softc *sc_acpi; struct aml_node *sc_devnode; + + int sc_pss_len; + struct acpicpu_pss *sc_pss; }; -int acpicpu_getsta(struct acpicpu_softc *); +int acpicpu_getpss(struct acpicpu_softc *); struct cfattach acpicpu_ca = { sizeof(struct acpicpu_softc), acpicpu_match, acpicpu_attach @@ -76,31 +79,65 @@ acpicpu_attach(struct device *parent, struct device *self, void *aux) { struct acpicpu_softc *sc = (struct acpicpu_softc *)self; struct acpi_attach_args *aa = aux; + int i; sc->sc_acpi = (struct acpi_softc *)parent; sc->sc_devnode = aa->aaa_node->child; - acpicpu_getsta(sc); + sc->sc_pss = NULL; + + printf(": "); + if (acpicpu_getpss(sc)) { + /* XXX not the right test but has to do for now */ + printf("can't attach, no _PSS\n"); + return; + } - printf(":\n"); + for (i = 0; i < sc->sc_pss_len; i++) + printf("%d MHz %d mW ", sc->sc_pss[i].pss_core_freq, + sc->sc_pss[i].pss_power); + printf("\n"); - aml_register_notify(sc->sc_devnode->parent, aa->aaa_dev, acpicpu_notify, sc); + /* aml_register_notify(sc->sc_devnode->parent, aa->aaa_dev, acpicpu_notify, sc); */ } int -acpicpu_getsta(struct acpicpu_softc *sc) +acpicpu_getpss(struct acpicpu_softc *sc) { struct aml_value res, env; struct acpi_context *ctx; + int i; memset(&res, 0, sizeof(res)); memset(&env, 0, sizeof(env)); ctx = NULL; - if (aml_eval_name(sc->sc_acpi, sc->sc_devnode, "_STA", &res, &env)) { - dnprintf(20, "%s: no _STA\n", DEVNAME(sc)); - /* XXX not all buttons have _STA so FALLTROUGH */ + if (aml_eval_name(sc->sc_acpi, sc->sc_devnode, "_PSS", &res, &env)) { + dnprintf(20, "%s: no _PSS\n", DEVNAME(sc)); + return (1); } + + if (!sc->sc_pss) + sc->sc_pss = malloc(res.length * sizeof *sc->sc_pss, M_DEVBUF, + M_WAITOK); + memset(sc->sc_pss, 0, res.length * sizeof *sc->sc_pss); + + for (i = 0; i < res.length; i++) { + sc->sc_pss[i].pss_core_freq = aml_val2int(ctx, + res.v_package[i]->v_package[0]); + sc->sc_pss[i].pss_power = aml_val2int(ctx, + res.v_package[i]->v_package[1]); + sc->sc_pss[i].pss_trans_latency = aml_val2int(ctx, + res.v_package[i]->v_package[2]); + sc->sc_pss[i].pss_bus_latency = aml_val2int(ctx, + res.v_package[i]->v_package[3]); + sc->sc_pss[i].pss_ctrl = aml_val2int(ctx, + res.v_package[i]->v_package[4]); + sc->sc_pss[i].pss_status = aml_val2int(ctx, + res.v_package[i]->v_package[5]); + } + + sc->sc_pss_len = res.length; return (0); } |