drivers/accel/ivpu/ivpu_pm.h

   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
  12 struct ivpu_device;
  13
  14 struct 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
  25 void ivpu_pm_init(struct ivpu_device *vdev);
  26 void ivpu_pm_enable(struct ivpu_device *vdev);
  27 void ivpu_pm_disable(struct ivpu_device *vdev);
  28 void ivpu_pm_cancel_recovery(struct ivpu_device *vdev);
  29
  30 int ivpu_pm_suspend_cb(struct device *dev);
  31 int ivpu_pm_resume_cb(struct device *dev);
  32 int ivpu_pm_runtime_suspend_cb(struct device *dev);
  33 int ivpu_pm_runtime_resume_cb(struct device *dev);
  34
  35 void ivpu_pm_reset_prepare_cb(struct pci_dev *pdev);
  36 void ivpu_pm_reset_done_cb(struct pci_dev *pdev);
  37
  38 int __must_check ivpu_rpm_get(struct ivpu_device *vdev);
  39 void ivpu_rpm_put(struct ivpu_device *vdev);
  40
  41 void ivpu_pm_trigger_recovery(struct ivpu_device *vdev, const char *reason);
  42 void ivpu_start_job_timeout_detection(struct ivpu_device *vdev);
  43 void ivpu_stop_job_timeout_detection(struct ivpu_device *vdev);
  44
  45 int ivpu_pm_dct_init(struct ivpu_device *vdev);
  46 int ivpu_pm_dct_enable(struct ivpu_device *vdev, u8 active_percent);
  47 int ivpu_pm_dct_disable(struct ivpu_device *vdev);
  48 void ivpu_pm_dct_irq_thread_handler(struct ivpu_device *vdev);
  49
  50 #endif /* __IVPU_PM_H__ */