Author: takawata
Date: Wed May 8 12:53:21 2013
New Revision: 250363
URL: http://svnweb.freebsd.org/changeset/base/250363
Log:
A driver for Intel Rapid Start Technology ACPI device.
Note that it is just for 'Advanced' configuration for Rapid start technology.
Added:
head/sys/dev/acpi_support/acpi_rapidstart.c (contents, props changed)
head/sys/modules/acpi/acpi_rapidstart/
head/sys/modules/acpi/acpi_rapidstart/Makefile (contents, props changed)
Added: head/sys/dev/acpi_support/acpi_rapidstart.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/dev/acpi_support/acpi_rapidstart.c Wed May 8 12:53:21 2013
(r250363)
@@ -0,0 +1,133 @@
+/*-
+ * Copyright (c) 2013 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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include "opt_acpi.h"
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/bus.h>
+
+#include <contrib/dev/acpica/include/acpi.h>
+
+#include "acpi_if.h"
+#include <sys/module.h>
+#include <dev/acpica/acpivar.h>
+#include <sys/sysctl.h>
+static int sysctl_acpi_rapidstart_gen_handler(SYSCTL_HANDLER_ARGS);
+
+
+static struct acpi_rapidstart_name_list
+{
+ char *nodename;
+ char *getmethod;
+ char *setmethod;
+ char *comment;
+} acpi_rapidstart_oids[] ={
+ {"ffs","GFFS","SFFS","Flash Fast Store Flag"},
+ {"ftv","GFTV","SFTV","Time value"},
+ {NULL, NULL, NULL, NULL}
+};
+
+struct acpi_rapidstart_softc {
+ struct sysctl_ctx_list *sysctl_ctx;
+ struct sysctl_oid *sysctl_tree;
+
+};
+static char *rapidstart_ids[] = {"INT3392", NULL};
+static int
+acpi_rapidstart_probe(device_t dev)
+{
+ if (acpi_disabled("rapidstart") ||
+ ACPI_ID_PROBE(device_get_parent(dev), dev, rapidstart_ids) == NULL
||
+ device_get_unit(dev) != 0)
+ return (ENXIO);
+
+ device_set_desc(dev, "Intel Rapid Start ACPI device");
+
+ return (0);
+
+}
+
+static int
+acpi_rapidstart_attach(device_t dev)
+{
+ struct acpi_rapidstart_softc *sc;
+ int i;
+
+ sc = device_get_softc(dev);
+
+ sc->sysctl_ctx = device_get_sysctl_ctx(dev);
+ sc->sysctl_tree = device_get_sysctl_tree(dev);
+ for (i = 0 ; acpi_rapidstart_oids[i].nodename != NULL; i++){
+ SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
+ SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
+ i, acpi_rapidstart_oids[i].nodename , CTLTYPE_INT |
+ ((acpi_rapidstart_oids[i].setmethod)? CTLFLAG_RW:
CTLFLAG_RD),
+ dev, i, sysctl_acpi_rapidstart_gen_handler, "I",
+ acpi_rapidstart_oids[i].comment);
+ }
+ return (0);
+}
+
+static int
+sysctl_acpi_rapidstart_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_rapidstart_oids[function].getmethod, &val);
+ error = sysctl_handle_int(oidp, &val, 0, req);
+ if (error || !req->newptr || !acpi_rapidstart_oids[function].setmethod)
+ return (error);
+ acpi_SetInteger(acpi_get_handle(dev),
+ acpi_rapidstart_oids[function].setmethod, val);
+ return (0);
+}
+
+static device_method_t acpi_rapidstart_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, acpi_rapidstart_probe),
+ DEVMETHOD(device_attach, acpi_rapidstart_attach),
+
+ DEVMETHOD_END
+};
+
+static driver_t acpi_rapidstart_driver = {
+ "acpi_rapidstart",
+ acpi_rapidstart_methods,
+ sizeof(struct acpi_rapidstart_softc),
+};
+
+static devclass_t acpi_rapidstart_devclass;
+
+DRIVER_MODULE(acpi_rapidstart, acpi, acpi_rapidstart_driver,
acpi_rapidstart_devclass,
+ 0, 0);
+MODULE_DEPEND(acpi_rapidstart, acpi, 1, 1, 1);
+
Added: head/sys/modules/acpi/acpi_rapidstart/Makefile
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/modules/acpi/acpi_rapidstart/Makefile Wed May 8 12:53:21
2013 (r250363)
@@ -0,0 +1,8 @@
+# $FreeBSD$
+
+.PATH: ${.CURDIR}/../../../dev/acpi_support
+
+KMOD= acpi_rapidstart
+SRCS= acpi_rapidstart.c opt_acpi.h device_if.h bus_if.h acpi_if.h
+
+.include <bsd.kmod.mk>
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