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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Edge TPU driver SoC-specific APIs.
*
* Copyright (C) 2022 Google LLC
*/
#ifndef __EDGETPU_SOC_H__
#define __EDGETPU_SOC_H__
#include <linux/types.h>
#include "edgetpu-internal.h"
#include "edgetpu-kci.h"
/* SoC-specific calls for the following functions. */
/* Probe-time init */
int edgetpu_soc_init(struct edgetpu_dev *etdev);
/* Prep for running firmware: set access control, etc. */
int edgetpu_soc_prepare_firmware(struct edgetpu_dev *etdev);
/*
* Power management get TPU clock rate.
* @flags can be used by platform-specific code to pass additional flags to the SoC
* handler; for calls from generic code this value must be zero.
*/
long edgetpu_soc_pm_get_rate(struct edgetpu_dev *etdev, int flags);
/* Power management set TPU clock rate */
int edgetpu_soc_pm_set_rate(unsigned long rate);
/* Power down */
void edgetpu_soc_pm_power_down(struct edgetpu_dev *etdev);
/* Init SoC PM system */
int edgetpu_soc_pm_init(struct edgetpu_dev *etdev);
/* De-init SoC PM system */
void edgetpu_soc_pm_exit(struct edgetpu_dev *etdev);
/*
* Handle Reverse KCI commands for SoC family.
* Note: This will get called from the system's work queue.
* Code should not block for extended periods of time
*/
void edgetpu_soc_handle_reverse_kci(struct edgetpu_dev *etdev,
struct gcip_kci_response_element *resp);
/* Init thermal subsystem SoC specifics for TPU */
void edgetpu_soc_thermal_init(struct edgetpu_dev *etdev);
/* De-init thermal subsystem SoC specifics for TPU */
void edgetpu_soc_thermal_exit(struct edgetpu_dev *etdev);
#endif /* __EDGETPU_SOC_H__ */
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