1 /* SPDX-License-Identifier: GPL-2.0 or MIT */ 2 /* Copyright 2018 Marty E. Plummer <hanetzer@startmail.com> */ 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 53