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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2020-2024 Intel Corporation
4 */
5
6#ifndef __IVPU_PM_H__
7#define __IVPU_PM_H__
8
9#include <linux/rwsem.h>
10#include <linux/types.h>
11
12struct ivpu_device;
13
14struct ivpu_pm_info {
15 struct ivpu_device *vdev;
16 struct delayed_work job_timeout_work;
17 struct work_struct recovery_work;
18 struct rw_semaphore reset_lock;
19 atomic_t reset_counter;
20 atomic_t reset_pending;
21 bool is_warmboot;
22 u8 dct_active_percent;
23};
24
25void ivpu_pm_init(struct ivpu_device *vdev);
26void ivpu_pm_enable(struct ivpu_device *vdev);
27void ivpu_pm_disable(struct ivpu_device *vdev);
28void ivpu_pm_cancel_recovery(struct ivpu_device *vdev);
29
30int ivpu_pm_suspend_cb(struct device *dev);
31int ivpu_pm_resume_cb(struct device *dev);
32int ivpu_pm_runtime_suspend_cb(struct device *dev);
33int ivpu_pm_runtime_resume_cb(struct device *dev);
34
35void ivpu_pm_reset_prepare_cb(struct pci_dev *pdev);
36void ivpu_pm_reset_done_cb(struct pci_dev *pdev);
37
38int __must_check ivpu_rpm_get(struct ivpu_device *vdev);
39void ivpu_rpm_put(struct ivpu_device *vdev);
40
41void ivpu_pm_trigger_recovery(struct ivpu_device *vdev, const char *reason);
42void ivpu_start_job_timeout_detection(struct ivpu_device *vdev);
43void ivpu_stop_job_timeout_detection(struct ivpu_device *vdev);
44
45int ivpu_pm_dct_init(struct ivpu_device *vdev);
46int ivpu_pm_dct_enable(struct ivpu_device *vdev, u8 active_percent);
47int ivpu_pm_dct_disable(struct ivpu_device *vdev);
48void ivpu_pm_dct_irq_thread_handler(struct ivpu_device *vdev);
49
50#endif /* __IVPU_PM_H__ */