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/*
* Copyright (C) 2018 Marvell International Ltd.
*
* SPDX-License-Identifier: BSD-3-Clause
* https://spdx.org/licenses
*/
/* Driver for thermal unit located in Marvell ARMADA 8K and compatible SoCs */
#include <common/debug.h>
#include <drivers/marvell/thermal.h>
int marvell_thermal_init(struct tsen_config *tsen_cfg)
{
if (tsen_cfg->tsen_ready == 1) {
INFO("thermal sensor is already initialized\n");
return 0;
}
if (tsen_cfg->ptr_tsen_probe == NULL) {
ERROR("initial thermal sensor configuration is missing\n");
return -1;
}
if (tsen_cfg->ptr_tsen_probe(tsen_cfg)) {
ERROR("thermal sensor initialization failed\n");
return -1;
}
VERBOSE("thermal sensor was initialized\n");
return 0;
}
int marvell_thermal_read(struct tsen_config *tsen_cfg, int *temp)
{
if (temp == NULL) {
ERROR("NULL pointer for temperature read\n");
return -1;
}
if (tsen_cfg->ptr_tsen_read == NULL ||
tsen_cfg->tsen_ready == 0) {
ERROR("thermal sensor was not initialized\n");
return -1;
}
if (tsen_cfg->ptr_tsen_read(tsen_cfg, temp)) {
ERROR("temperature read failed\n");
return -1;
}
return 0;
}
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