freebsd-skq/sys/dev/acpi_support/acpi_sony.c
Warner Losh dbacb6c44d 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
2004-11-11 22:54:58 +00:00

173 lines
4.5 KiB
C

/*-
* 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;
}