]> Git Repo - linux.git/blob - drivers/gpu/drm/panthor/panthor_gpu.h
Merge tag 'cxl-for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
[linux.git] / drivers / gpu / drm / panthor / panthor_gpu.h
1 /* SPDX-License-Identifier: GPL-2.0 or MIT */
2 /* Copyright 2018 Marty E. Plummer <[email protected]> */
3 /* Copyright 2019 Collabora ltd. */
4
5 #ifndef __PANTHOR_GPU_H__
6 #define __PANTHOR_GPU_H__
7
8 struct panthor_device;
9
10 int panthor_gpu_init(struct panthor_device *ptdev);
11 void panthor_gpu_unplug(struct panthor_device *ptdev);
12 void panthor_gpu_suspend(struct panthor_device *ptdev);
13 void panthor_gpu_resume(struct panthor_device *ptdev);
14
15 int panthor_gpu_block_power_on(struct panthor_device *ptdev,
16                                const char *blk_name,
17                                u32 pwron_reg, u32 pwrtrans_reg,
18                                u32 rdy_reg, u64 mask, u32 timeout_us);
19 int panthor_gpu_block_power_off(struct panthor_device *ptdev,
20                                 const char *blk_name,
21                                 u32 pwroff_reg, u32 pwrtrans_reg,
22                                 u64 mask, u32 timeout_us);
23
24 /**
25  * panthor_gpu_power_on() - Power on the GPU block.
26  *
27  * Return: 0 on success, a negative error code otherwise.
28  */
29 #define panthor_gpu_power_on(ptdev, type, mask, timeout_us) \
30         panthor_gpu_block_power_on(ptdev, #type, \
31                                   type ## _PWRON_LO, \
32                                   type ## _PWRTRANS_LO, \
33                                   type ## _READY_LO, \
34                                   mask, timeout_us)
35
36 /**
37  * panthor_gpu_power_off() - Power off the GPU block.
38  *
39  * Return: 0 on success, a negative error code otherwise.
40  */
41 #define panthor_gpu_power_off(ptdev, type, mask, timeout_us) \
42         panthor_gpu_block_power_off(ptdev, #type, \
43                                    type ## _PWROFF_LO, \
44                                    type ## _PWRTRANS_LO, \
45                                    mask, timeout_us)
46
47 int panthor_gpu_l2_power_on(struct panthor_device *ptdev);
48 int panthor_gpu_flush_caches(struct panthor_device *ptdev,
49                              u32 l2, u32 lsc, u32 other);
50 int panthor_gpu_soft_reset(struct panthor_device *ptdev);
51
52 #endif
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