diff options
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a5xx_gpu.h')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a5xx_gpu.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h new file mode 100644 index 000000000000..1590f845d554 --- /dev/null +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h @@ -0,0 +1,60 @@ +/* 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__ */ |