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/* Copyright 2013-2015 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <sensor.h>
#include <skiboot.h>
#include <device.h>
#include <opal.h>
#include <dts.h>
struct dt_node *sensor_node;
static int64_t opal_sensor_read(uint32_t sensor_hndl, int token,
uint32_t *sensor_data)
{
if (sensor_is_dts(sensor_hndl))
return dts_sensor_read(sensor_hndl, sensor_data);
if (platform.sensor_read)
return platform.sensor_read(sensor_hndl, token, sensor_data);
return OPAL_UNSUPPORTED;
}
void sensor_init(void)
{
sensor_node = dt_new(opal_node, "sensors");
dt_add_property_string(sensor_node, "compatible", "ibm,opal-sensor");
dts_sensor_create_nodes(sensor_node);
/* Register OPAL interface */
opal_register(OPAL_SENSOR_READ, opal_sensor_read, 3);
}
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