1 /* Copyright (c) 2016 The Linux Foundation. All rights reserved. 2 * 3 * This program is free software; you can redistribute it and/or modify 4 * it under the terms of the GNU General Public License version 2 and 5 * only version 2 as published by the Free Software Foundation. 6 * 7 * This program is distributed in the hope that it will be useful, 8 * but WITHOUT ANY WARRANTY; without even the implied warranty of 9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 10 * GNU General Public License for more details. 11 * 12 */ 13 #ifndef __A5XX_GPU_H__ 14 #define __A5XX_GPU_H__ 15 16 #include "adreno_gpu.h" 17 18 /* Bringing over the hack from the previous targets */ 19 #undef ROP_COPY 20 #undef ROP_XOR 21 22 #include "a5xx.xml.h" 23 24 struct a5xx_gpu { 25 struct adreno_gpu base; 26 struct platform_device *pdev; 27 28 struct drm_gem_object *pm4_bo; 29 uint64_t pm4_iova; 30 31 struct drm_gem_object *pfp_bo; 32 uint64_t pfp_iova; 33 34 struct drm_gem_object *gpmu_bo; 35 uint64_t gpmu_iova; 36 uint32_t gpmu_dwords; 37 38 uint32_t lm_leakage; 39 40 struct device zap_dev; 41 }; 42 43 #define to_a5xx_gpu(x) container_of(x, struct a5xx_gpu, base) 44 45 int a5xx_power_init(struct msm_gpu *gpu); 46 void a5xx_gpmu_ucode_init(struct msm_gpu *gpu); 47 48 static inline int spin_usecs(struct msm_gpu *gpu, uint32_t usecs, 49 uint32_t reg, uint32_t mask, uint32_t value) 50 { 51 while (usecs--) { 52 udelay(1); 53 if ((gpu_read(gpu, reg) & mask) == value) 54 return 0; 55 cpu_relax(); 56 } 57 58 return -ETIMEDOUT; 59 } 60 61 bool a5xx_idle(struct msm_gpu *gpu); 62 63 #endif /* __A5XX_GPU_H__ */ 64