panthor_hw.h

 1/* SPDX-License-Identifier: GPL-2.0 or MIT */
 2/* Copyright 2025 ARM Limited. All rights reserved. */
 3
 4#ifndef __PANTHOR_HW_H__
 5#define __PANTHOR_HW_H__
 6
 7#include "panthor_device.h"
 8#include "panthor_regs.h"
 9
10/**
11 * struct panthor_hw_ops - HW operations that are specific to a GPU
12 */
13struct panthor_hw_ops {
14	/** @soft_reset: Soft reset function pointer */
15	int (*soft_reset)(struct panthor_device *ptdev);
16
17	/** @l2_power_off: L2 power off function pointer */
18	void (*l2_power_off)(struct panthor_device *ptdev);
19
20	/** @l2_power_on: L2 power on function pointer */
21	int (*l2_power_on)(struct panthor_device *ptdev);
22};
23
24/**
25 * struct panthor_hw - GPU specific register mapping and functions
26 */
27struct panthor_hw {
28	/** @features: Bitmap containing panthor_hw_feature */
29
30	/** @ops: Panthor HW specific operations */
31	struct panthor_hw_ops ops;
32};
33
34int panthor_hw_init(struct panthor_device *ptdev);
35
36static inline int panthor_hw_soft_reset(struct panthor_device *ptdev)
37{
38	return ptdev->hw->ops.soft_reset(ptdev);
39}
40
41static inline int panthor_hw_l2_power_on(struct panthor_device *ptdev)
42{
43	return ptdev->hw->ops.l2_power_on(ptdev);
44}
45
46static inline void panthor_hw_l2_power_off(struct panthor_device *ptdev)
47{
48	ptdev->hw->ops.l2_power_off(ptdev);
49}
50
51static inline bool panthor_hw_has_pwr_ctrl(struct panthor_device *ptdev)
52{
53	return GPU_ARCH_MAJOR(ptdev->gpu_info.gpu_id) >= 14;
54}
55
56#endif /* __PANTHOR_HW_H__ */