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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.
*
* Nvidia GPU D-Notify driver header file
*/
#ifndef DRIVER_NVIDIA_GPU_H
#define DRIVER_NVIDIA_GPU_H
#define NVIDIA_GPU_ACOFF_DURATION (100 * MSEC)
enum d_notify_level {
D_NOTIFY_1 = 0,
D_NOTIFY_2,
D_NOTIFY_3,
D_NOTIFY_4,
D_NOTIFY_5,
D_NOTIFY_COUNT,
};
enum d_notify_policy_type {
/* High- or low-power A/C */
D_NOTIFY_AC,
/* Too low of A/C to still charge or DC with high battery SOC */
D_NOTIFY_AC_DC,
/* DC with medium or low battery SOC */
D_NOTIFY_DC,
};
struct d_notify_policy {
enum d_notify_policy_type power_source;
union {
struct {
unsigned int min_charger_watts;
} ac;
struct {
unsigned int max_battery_soc;
} dc;
};
};
#define AC_ATLEAST_W(W) \
{ \
.power_source = D_NOTIFY_AC, .ac.min_charger_watts = (W), \
}
#define AC_DC \
{ \
.power_source = D_NOTIFY_AC_DC, \
}
#define DC_ATMOST_SOC(S) \
{ \
.power_source = D_NOTIFY_DC, .dc.max_battery_soc = (S), \
}
void nvidia_gpu_init_policy(const struct d_notify_policy *policies);
/**
* Notify the host of assertion or deassertion of GPU over temperature.
*
* @param assert True for assert. False for deassert.
*/
void nvidia_gpu_over_temp(int assert);
#endif /* DRIVER_NVIDIA_GPU_H */
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