OpenCloudOS-Kernel/drivers/gpu/drm/msm/adreno/a5xx_gpu.h

61 lines
1.4 KiB
C

/* Copyright (c) 2016 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef __A5XX_GPU_H__
#define __A5XX_GPU_H__
#include "adreno_gpu.h"
/* Bringing over the hack from the previous targets */
#undef ROP_COPY
#undef ROP_XOR
#include "a5xx.xml.h"
struct a5xx_gpu {
struct adreno_gpu base;
struct platform_device *pdev;
struct drm_gem_object *pm4_bo;
uint64_t pm4_iova;
struct drm_gem_object *pfp_bo;
uint64_t pfp_iova;
struct drm_gem_object *gpmu_bo;
uint64_t gpmu_iova;
uint32_t gpmu_dwords;
uint32_t lm_leakage;
};
#define to_a5xx_gpu(x) container_of(x, struct a5xx_gpu, base)
int a5xx_power_init(struct msm_gpu *gpu);
void a5xx_gpmu_ucode_init(struct msm_gpu *gpu);
static inline int spin_usecs(struct msm_gpu *gpu, uint32_t usecs,
uint32_t reg, uint32_t mask, uint32_t value)
{
while (usecs--) {
udelay(1);
if ((gpu_read(gpu, reg) & mask) == value)
return 0;
cpu_relax();
}
return -ETIMEDOUT;
}
#endif /* __A5XX_GPU_H__ */