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Viewing changes to roms/skiboot/core/sensor.c

  • Committer: Phil Dennis-Jordan
  • Date: 2017-07-21 08:03:43 UTC
  • mfrom: (1.1.1)
  • Revision ID: phil@philjordan.eu-20170721080343-2yr2vdj7713czahv
New upstream release 2.9.0.

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