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 u8 dct_active_percent; 22 }; 23 24 void ivpu_pm_init(struct ivpu_device *vdev); 25 void ivpu_pm_enable(struct ivpu_device *vdev); 26 void ivpu_pm_disable(struct ivpu_device *vdev); 27 void ivpu_pm_disable_recovery(struct ivpu_device *vdev); 28 29 int ivpu_pm_suspend_cb(struct device *dev); 30 int ivpu_pm_resume_cb(struct device *dev); 31 int ivpu_pm_runtime_suspend_cb(struct device *dev); 32 int ivpu_pm_runtime_resume_cb(struct device *dev); 33 34 void ivpu_pm_reset_prepare_cb(struct pci_dev *pdev); 35 void ivpu_pm_reset_done_cb(struct pci_dev *pdev); 36 37 int __must_check ivpu_rpm_get(struct ivpu_device *vdev); 38 void ivpu_rpm_put(struct ivpu_device *vdev); 39 40 void ivpu_pm_trigger_recovery(struct ivpu_device *vdev, const char *reason); 41 void ivpu_start_job_timeout_detection(struct ivpu_device *vdev); 42 void ivpu_stop_job_timeout_detection(struct ivpu_device *vdev); 43 44 int ivpu_pm_dct_init(struct ivpu_device *vdev); 45 int ivpu_pm_dct_enable(struct ivpu_device *vdev, u8 active_percent); 46 int ivpu_pm_dct_disable(struct ivpu_device *vdev); 47 void ivpu_pm_irq_dct_work_fn(struct work_struct *work); 48 49 #endif /* __IVPU_PM_H__ */ 50