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-rw-r--r--sys/dev/acpi/acpi.c5
-rw-r--r--sys/dev/acpi/acpipwrres.c210
-rw-r--r--sys/dev/acpi/files.acpi7
3 files changed, 220 insertions, 2 deletions
diff --git a/sys/dev/acpi/acpi.c b/sys/dev/acpi/acpi.c
index d67f471f3ef..86eb1722072 100644
--- a/sys/dev/acpi/acpi.c
+++ b/sys/dev/acpi/acpi.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: acpi.c,v 1.139 2009/06/03 00:36:59 pirofti Exp $ */
+/* $OpenBSD: acpi.c,v 1.140 2009/06/03 07:13:48 pirofti Exp $ */
/*
* Copyright (c) 2005 Thorsten Lockert <tholo@sigmasoft.com>
* Copyright (c) 2005 Jordan Hargrave <jordan@openbsd.org>
@@ -1479,6 +1479,9 @@ acpi_add_device(struct aml_node *node, void *arg)
case AML_OBJTYPE_THERMZONE:
aaa.aaa_name = "acpitz";
break;
+ case AML_OBJTYPE_POWERRSRC:
+ aaa.aaa_name = "acpipwrres";
+ break;
default:
return 0;
}
diff --git a/sys/dev/acpi/acpipwrres.c b/sys/dev/acpi/acpipwrres.c
new file mode 100644
index 00000000000..5f71cb9f20d
--- /dev/null
+++ b/sys/dev/acpi/acpipwrres.c
@@ -0,0 +1,210 @@
+/* $OpenBSD: acpipwrres.c,v 1.1 2009/06/03 07:13:48 pirofti Exp $ */
+/*
+ * Copyright (c) 2009 Paul Irofti <pirofti@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/proc.h>
+#include <sys/signalvar.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>
+
+int acpipwrres_match(struct device *, void *, void *);
+void acpipwrres_attach(struct device *, struct device *, void *);
+int acpipwrres_notify(struct aml_node *, int, void *);
+
+#define NOTIFY_PWRRES_OFF 0
+#define NOTIFY_PWRRES_ON 1
+
+#ifdef ACPIPWRRES_DEBUG
+#define DPRINTF(x) printf x
+#else
+#define DPRINTF(x)
+#endif
+
+struct acpipwrres_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;
+
+ TAILQ_HEAD(acpipwrres_cons_h, acpipwrres_consumer) sc_cons;
+
+ int sc_level;
+ int sc_order;
+ int sc_ncons;
+ int sc_state;
+#define ACPIPWRRES_OFF 0
+#define ACPIPWRRES_ON 1
+#define ACPIPWRRES_UNK -1
+};
+
+struct acpipwrres_consumer {
+ struct aml_node *cs_node;
+ TAILQ_ENTRY(acpipwrres_consumer) cs_link;
+};
+
+struct cfattach acpipwrres_ca = {
+ sizeof(struct acpipwrres_softc), acpipwrres_match, acpipwrres_attach
+};
+
+struct cfdriver acpipwrres_cd = {
+ NULL, "acpipwrres", DV_DULL
+};
+
+int acpipwrres_foundcons(struct aml_node *, void *);
+
+int
+acpipwrres_match(struct device *parent, void *match, void *aux)
+{
+ struct acpi_attach_args *aaa = aux;
+ struct cfdata *cf = match;
+
+ if (aaa->aaa_name == NULL || strcmp(aaa->aaa_name,
+ cf->cf_driver->cd_name) != 0 || aaa->aaa_table != NULL)
+ return (0);
+
+ return (1);
+}
+
+void
+acpipwrres_attach(struct device *parent, struct device *self, void *aux)
+{
+ struct acpipwrres_softc *sc = (struct acpipwrres_softc *)self;
+ struct acpi_attach_args *aaa = aux;
+ struct aml_value res;
+
+ extern struct aml_node aml_root;
+
+ sc->sc_acpi = (struct acpi_softc *)parent;
+ sc->sc_devnode = aaa->aaa_node;
+ memset(&res, 0, sizeof res);
+
+ printf(": %s\n", sc->sc_devnode->name);
+
+ aml_register_notify(sc->sc_devnode, aaa->aaa_dev,
+ acpipwrres_notify, sc, ACPIDEV_NOPOLL);
+
+ if (!aml_evalname(sc->sc_acpi, sc->sc_devnode, "_STA", 0, NULL, &res)) {
+ sc->sc_state = (int)aml_val2int(&res);
+ if (sc->sc_state != ACPIPWRRES_ON &&
+ sc->sc_state != ACPIPWRRES_OFF)
+ sc->sc_state = ACPIPWRRES_UNK;
+ } else
+ sc->sc_state = ACPIPWRRES_UNK;
+ DPRINTF(("%s: state = %d\n", DEVNAME(sc), sc->sc_state));
+ if (aml_evalnode(sc->sc_acpi, aaa->aaa_node, 0, NULL, &res) == 0) {
+ sc->sc_level = res.v_powerrsrc.pwr_level;
+ sc->sc_order = res.v_powerrsrc.pwr_order;
+ DPRINTF(("%s: level = %d, order %d\n", DEVNAME(sc),
+ sc->sc_level, sc->sc_order));
+ aml_freevalue(&res);
+ }
+
+ /* Get the list of consumers */
+ TAILQ_INIT(&sc->sc_cons);
+ aml_find_node(aml_root.child, "_PRW", acpipwrres_foundcons, sc);
+ aml_find_node(aml_root.child, "_PR0", acpipwrres_foundcons, sc);
+ aml_find_node(aml_root.child, "_PR1", acpipwrres_foundcons, sc);
+ aml_find_node(aml_root.child, "_PR2", acpipwrres_foundcons, sc);
+}
+
+int
+acpipwrres_notify(struct aml_node *node, int notify, void *arg)
+{
+ int fmatch = 0;
+ struct acpipwrres_consumer *cons;
+ struct acpipwrres_softc *sc = arg;
+ struct aml_value res;
+
+ memset(&res, 0, sizeof res);
+
+ TAILQ_FOREACH(cons, &sc->sc_cons, cs_link)
+ if (cons->cs_node == node) {
+ fmatch = 1;
+ break;
+ }
+ if (!fmatch)
+ return (0);
+
+ switch (notify) {
+ case NOTIFY_PWRRES_ON:
+ DPRINTF(("pwr: on devs %d\n", sc->sc_ncons));
+ if (sc->sc_ncons++ == 0)
+ aml_evalname(sc->sc_acpi, sc->sc_devnode, "_ON", 0, NULL,
+ &res);
+ aml_freevalue(&res);
+ break;
+ case NOTIFY_PWRRES_OFF:
+ DPRINTF(("pwr: off devs %d\n", sc->sc_ncons));
+ if (--sc->sc_ncons == 0)
+ aml_evalname(sc->sc_acpi, sc->sc_devnode, "_OFF", 0, NULL,
+ &res);
+ aml_freevalue(&res);
+ break;
+ default:
+ printf("%s: unknown event 0x%02x\n", DEVNAME(sc), notify);
+ break;
+ }
+
+ return (0);
+}
+
+int
+acpipwrres_foundcons(struct aml_node *node, void *arg)
+{
+ int i = 0;
+ struct acpipwrres_consumer *cons;
+ struct aml_node *pnode;
+ struct acpipwrres_softc *sc = (struct acpipwrres_softc *)arg;
+ struct aml_value res;
+
+ extern struct aml_node aml_root;
+
+ memset(&res, 0, sizeof res);
+
+ if (aml_evalnode(sc->sc_acpi, node, 0, NULL, &res) == -1) {
+ DPRINTF(("pwr: consumer not found\n"));
+ return (-1);
+ } else {
+ DPRINTF(("%s: node name %s\n", DEVNAME(sc), aml_nodename(node)));
+ if (!strcmp(node->name, "_PRW"))
+ i = 2; /* _PRW first two values are ints */
+ for (; i < res.length; i++) {
+ pnode = aml_searchname(&aml_root,
+ res.v_package[i]->v_string);
+ if (pnode == sc->sc_devnode) {
+ DPRINTF(("%s: consumer match\n", DEVNAME(sc)));
+ cons = malloc(sizeof *pnode, M_DEVBUF,
+ M_WAITOK | M_ZERO);
+ cons->cs_node = pnode;
+ TAILQ_INSERT_HEAD(&sc->sc_cons, cons, cs_link);
+ }
+ }
+ }
+
+ return (0);
+}
diff --git a/sys/dev/acpi/files.acpi b/sys/dev/acpi/files.acpi
index f3d4daf926d..be89febd85f 100644
--- a/sys/dev/acpi/files.acpi
+++ b/sys/dev/acpi/files.acpi
@@ -1,4 +1,4 @@
-# $OpenBSD: files.acpi,v 1.21 2009/06/03 00:36:59 pirofti Exp $
+# $OpenBSD: files.acpi,v 1.22 2009/06/03 07:13:48 pirofti Exp $
#
# Config file and device description for machine-independent ACPI code.
# Included by ports that need it.
@@ -86,3 +86,8 @@ file dev/acpi/acpivideo.c acpivideo
device acpivout
attach acpivout at acpivideo
file dev/acpi/acpivout.c acpivout
+
+# ACPI pwrres
+device acpipwrres
+attach acpipwrres at acpi
+file dev/acpi/acpipwrres.c acpipwrres
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 12:30:32 +0000