Commit takawata-san's Sony Notebook Controller driver, integrated into

the tree.  Small tweaks were made by myself to eliminate unnecessary
includes and some other minor issues.  Last time I asked takawata-san
about this driver, he suggested I commit it.

Submitted by: takawata

1 files changed, 172 insertions, 0 deletions

diff --git a/sys/dev/acpica/acpi_snc.c b/sys/dev/acpica/acpi_snc.c
new file mode 100644
index 0000000..2bcb840
--- /dev/null
+++ b/sys/dev/acpica/acpi_snc.c
@@ -0,0 +1,172 @@
+/*-
+ * Copyright (c) 2004 Takanori Watanabe
+ * 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 AUTHOR 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 AUTHOR 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.
+ *
+ *	$FreeBSD$
+ */
+
+#include "opt_acpi.h"
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/bus.h>
+#include "acpi.h"
+#include "acpi_if.h"
+#include <sys/module.h>
+#include <dev/acpica/acpivar.h>
+#include <sys/sysctl.h>
+#define ACPI_SNC_GET_BRIGHTNESS "GBRT"
+#define ACPI_SNC_SET_BRIGHTNESS "SBRT"
+#define ACPI_SNC_GET_PID "GPID"
+/*
+ * SNY5001
+ *  [GS]BRT [GS]PBR [GS]CTR [GS]PCR [GS]CMI [CDPW GCDP]? GWDP PWAK PWRN 
+ *
+ */
+
+struct acpi_snc_softc {
+  int pid;
+};
+static struct acpi_snc_name_list
+{
+  char *nodename;
+  char *getmethod;
+  char *setmethod;
+  char *comment;
+}acpi_snc_oids[] = {
+  { "brightness", "GBRT", "SBRT", "Display Brightness"},
+  { "ctr", "GCTR", "SCTR", "??"},
+  { "pcr", "GPCR", "SPCR", "???"},
+#if 0
+  { "cmi", "GCMI", "SCMI", "????"},
+#endif
+  { "wdp", "GWDP", NULL, "?????"},
+  { "cdp", "GCDP", "CDPW", "??????"},  /*shares [\GL03]&0x8 flag*/
+  {NULL, NULL,NULL}
+};
+
+static int	acpi_snc_probe(device_t dev);
+static int	acpi_snc_attach(device_t dev);
+static int 	acpi_snc_detach(device_t dev);
+static int	sysctl_acpi_snc_gen_handler(SYSCTL_HANDLER_ARGS);
+
+static device_method_t acpi_snc_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe, acpi_snc_probe),
+	DEVMETHOD(device_attach, acpi_snc_attach),
+	DEVMETHOD(device_detach, acpi_snc_detach),
+
+	{0, 0}
+};
+
+static driver_t	acpi_snc_driver = {
+	"acpi_snc",
+	acpi_snc_methods,
+	sizeof(struct acpi_snc_softc),
+};
+
+static devclass_t acpi_snc_devclass;
+
+DRIVER_MODULE(acpi_snc, acpi, acpi_snc_driver, acpi_snc_devclass,
+	      0, 0);
+MODULE_DEPEND(acpi_snc, acpi, 1, 1, 1);
+static char    *sny_id[] = {"SNY5001", NULL};
+
+static int
+acpi_snc_probe(device_t dev)
+{
+	struct acpi_snc_softc *sc;
+	int		ret = ENXIO;
+
+	sc = device_get_softc(dev);
+
+	if (ACPI_ID_PROBE(device_get_parent(dev), dev, sny_id)) {
+		device_set_desc(dev, "Sony notebook controller");
+		ret = 0;
+	}
+	return (ret);
+}
+
+static int
+acpi_snc_attach(device_t dev)
+{
+	struct acpi_snc_softc *sc;
+	int i;
+	ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__);
+
+	sc = device_get_softc(dev);
+	
+	acpi_GetInteger(acpi_get_handle(dev), ACPI_SNC_GET_PID, &sc->pid);
+	device_printf(dev, "PID %x\n", sc->pid);
+
+	for(i = 0 ; acpi_snc_oids[i].nodename != NULL; i++){
+		SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
+				SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
+				i, acpi_snc_oids[i].nodename , CTLTYPE_INT |
+				((acpi_snc_oids[i].setmethod)? CTLFLAG_RW: CTLFLAG_RD),
+				dev, i,
+				sysctl_acpi_snc_gen_handler, "I",
+				acpi_snc_oids[i].comment);
+	}
+	
+	return_VALUE(0);
+}
+
+static int 
+acpi_snc_detach(device_t dev)
+{
+	return_VALUE(0);
+}
+#if 0
+static int
+acpi_snc_suspend(device_t dev)
+{
+	struct acpi_snc_softc *sc = device_get_softc(dev);
+	return_VALUE(0);
+}
+
+static int
+acpi_snc_resume(device_t dev)
+{
+	return (0);
+}
+#endif
+
+static int 
+sysctl_acpi_snc_gen_handler(SYSCTL_HANDLER_ARGS)
+{
+	device_t	dev = arg1;
+	int 	function = oidp->oid_arg2;
+	int		error = 0, val;
+
+
+	acpi_GetInteger(acpi_get_handle(dev), acpi_snc_oids[function].getmethod, &val);
+	error = sysctl_handle_int(oidp, &val, 0, req);
+
+	if (error || !req->newptr || !acpi_snc_oids[function].setmethod)
+		return error;
+
+	acpi_SetInteger(acpi_get_handle(dev), acpi_snc_oids[function].setmethod, val);
+	return 0;
+	
+}