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/* Copyright 2022 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "cros_board_info.h"
#include "cros_cbi.h"
#include "fan.h"
#include "gpio/gpio.h"
#include "hooks.h"
#include <zephyr/devicetree.h>
#include <zephyr/drivers/gpio.h>
#include <zephyr/logging/log.h>
LOG_MODULE_DECLARE(skyrim, CONFIG_SKYRIM_LOG_LEVEL);
/*
* Skyrim fan support
*/
static void fan_init(void)
{
int ret;
uint32_t val;
uint32_t board_version;
/*
* Retrieve the fan config.
*/
ret = cros_cbi_get_fw_config(FW_FAN, &val);
if (ret != 0) {
LOG_ERR("Error retrieving CBI FW_CONFIG field %d", FW_FAN);
return;
}
ret = cbi_get_board_version(&board_version);
if (ret != EC_SUCCESS) {
LOG_ERR("Error retrieving CBI board version");
return;
}
if ((board_version >= 3) && (val != FW_FAN_PRESENT)) {
/* Disable the fan */
fan_set_count(0);
}
}
DECLARE_HOOK(HOOK_INIT, fan_init, HOOK_PRIO_POST_FIRST);
/*
* Pcore OCP support
* Note: early boards should note enable this interrupt as they are not
* correctly configured for it.
*/
__override bool board_supports_pcore_ocp(void)
{
uint32_t board_version;
if (cbi_get_board_version(&board_version) == EC_SUCCESS &&
board_version > 3)
return true;
return false;
}
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