Add acpibtn device. Remains disabled for now.

1 files changed, 154 insertions, 0 deletions

diff --git a/sys/dev/acpi/acpibtn.c b/sys/dev/acpi/acpibtn.c
new file mode 100644
index 00000000000..cbd4895c3f6
--- /dev/null
+++ b/sys/dev/acpi/acpibtn.c
@@ -0,0 +1,154 @@
+/* $OpenBSD: acpibtn.c,v 1.1 2006/02/20 00:48:10 marco Exp $ */
+/*
+ * Copyright (c) 2005 Marco Peereboom <marco@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/malloc.h>
+
+#include <machine/bus.h>
+
+#include <dev/acpi/acpireg.h>
+#include <dev/acpi/acpivar.h>
+#include <dev/acpi/acpidev.h>
+#include <dev/acpi/amltypes.h>
+#include <dev/acpi/dsdt.h>
+
+#include <sys/sensors.h>
+
+int acpibtn_match(struct device *, void *, void *);
+void acpibtn_attach(struct device *, struct device *, void *);
+int  acpibtn_notify(struct aml_node *, int, void *);
+
+struct acpibtn_softc {
+	struct device		sc_dev;
+
+	bus_space_tag_t		sc_iot;
+	bus_space_handle_t	sc_ioh;
+
+	struct acpi_softc	*sc_acpi;
+	struct aml_node		*sc_devnode;
+
+	int			sc_pwr_btn;
+	int			sc_lid_btn;
+	int			sc_sleep_btn;
+#if 0
+	struct sensor sens[3];	/* XXX debug only */
+#endif
+};
+
+
+#if 0
+void acpibtn_refresh(void *);
+#endif
+int acpibtn_getsta(struct acpibtn_softc *);
+
+struct cfattach acpibtn_ca = {
+	sizeof(struct acpibtn_softc), acpibtn_match, acpibtn_attach
+};
+
+struct cfdriver acpibtn_cd = {
+	NULL, "acpibtn", DV_DULL
+};
+
+int
+acpibtn_match(struct device *parent, void *match, void *aux)
+{
+	struct acpi_attach_args *aa = aux;
+	struct cfdata *cf = match;
+
+	/* sanity */
+	if (aa->aaa_name == NULL ||
+	    strcmp(aa->aaa_name, cf->cf_driver->cd_name) != 0 ||
+	    aa->aaa_table != NULL)
+		return (0);
+
+	return (1);
+}
+
+void
+acpibtn_attach(struct device *parent, struct device *self, void *aux)
+{
+	struct acpibtn_softc *sc = (struct acpibtn_softc *)self;
+	struct acpi_attach_args *aa = aux;
+
+	sc->sc_acpi = (struct acpi_softc *)parent;
+	sc->sc_devnode = aa->aaa_node->child;
+
+	acpibtn_getsta(sc); 
+
+	/* XXX print which buttons are available and state */
+	printf("\n");
+
+	aml_register_notify(sc->sc_devnode->parent, acpibtn_notify, sc);
+
+	/* XXX: fixme */
+	sc->sc_acpi->sc_pbtndev = sc->sc_devnode;
+	sc->sc_acpi->sc_sbtndev = sc->sc_devnode;
+#if 0
+	strlcpy(sc->sens[0].device, DEVNAME(sc), sizeof(sc->sens[0].device));
+	strlcpy(sc->sens[0].desc, "power supply", sizeof(sc->sens[2].desc));
+	sc->sens[0].type = SENSOR_INDICATOR;
+	sensor_add(&sc->sens[0]);
+	sc->sens[0].value = sc->sc_ac_stat;
+
+	if (sensor_task_register(sc, acpibtn_refresh, 10))
+		printf(", unable to register update task\n");
+#endif
+}
+
+#if 0
+/* XXX this is for debug only, remove later */
+void
+acpibtn_refresh(void *arg)
+{
+	struct acpibtn_softc *sc = arg;
+
+	acpibtn_getsta(sc); 
+
+	sc->sens[0].value = sc->sc_ac_stat;
+}
+#endif
+
+int
+acpibtn_getsta(struct acpibtn_softc *sc)
+{
+	struct aml_value res, env;
+	struct acpi_context *ctx;
+
+	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(10, "%s: no _STA\n",
+		    DEVNAME(sc));
+		/* XXX this should fall through */
+		return (1);
+	}
+
+	return (0);
+}
+
+int
+acpibtn_notify(struct aml_node *node, int notify_type, void *arg)
+{
+	struct acpibtn_softc *sc = arg;
+
+	printf("acpibtn_notify: %.2x %s\n", notify_type, sc->sc_devnode->name);
+	return (0);
+}