57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 or MIT */
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/* Copyright 2018 Marty E. Plummer <hanetzer@startmail.com> */
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/* Copyright 2019 Collabora ltd. */
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#ifndef __PANTHOR_GPU_H__
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#define __PANTHOR_GPU_H__
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#include <linux/types.h>
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struct panthor_device;
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int panthor_gpu_init(struct panthor_device *ptdev);
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void panthor_gpu_unplug(struct panthor_device *ptdev);
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void panthor_gpu_suspend(struct panthor_device *ptdev);
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void panthor_gpu_resume(struct panthor_device *ptdev);
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int panthor_gpu_block_power_on(struct panthor_device *ptdev,
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const char *blk_name,
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u32 pwron_reg, u32 pwrtrans_reg,
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u32 rdy_reg, u64 mask, u32 timeout_us);
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int panthor_gpu_block_power_off(struct panthor_device *ptdev,
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const char *blk_name,
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u32 pwroff_reg, u32 pwrtrans_reg,
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u64 mask, u32 timeout_us);
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/**
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* panthor_gpu_power_on() - Power on the GPU block.
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*
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* Return: 0 on success, a negative error code otherwise.
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*/
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#define panthor_gpu_power_on(ptdev, type, mask, timeout_us) \
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panthor_gpu_block_power_on(ptdev, #type, \
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type ## _PWRON_LO, \
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type ## _PWRTRANS_LO, \
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type ## _READY_LO, \
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mask, timeout_us)
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/**
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* panthor_gpu_power_off() - Power off the GPU block.
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*
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* Return: 0 on success, a negative error code otherwise.
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*/
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#define panthor_gpu_power_off(ptdev, type, mask, timeout_us) \
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panthor_gpu_block_power_off(ptdev, #type, \
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type ## _PWROFF_LO, \
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type ## _PWRTRANS_LO, \
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mask, timeout_us)
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int panthor_gpu_l2_power_on(struct panthor_device *ptdev);
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int panthor_gpu_flush_caches(struct panthor_device *ptdev,
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u32 l2, u32 lsc, u32 other);
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int panthor_gpu_soft_reset(struct panthor_device *ptdev);
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u64 panthor_gpu_read_timestamp(struct panthor_device *ptdev);
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u64 panthor_gpu_read_timestamp_offset(struct panthor_device *ptdev);
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#endif
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