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
27 struct drm_gem_object *pm4_bo;
28 uint64_t pm4_iova;
29
30 struct drm_gem_object *pfp_bo;
31 uint64_t pfp_iova;
32
33 struct drm_gem_object *gpmu_bo;
34 uint64_t gpmu_iova;
35 uint32_t gpmu_dwords;
36
37 uint32_t lm_leakage;
38 };
39
40 #define to_a5xx_gpu(x) container_of(x, struct a5xx_gpu, base)
41
42 int a5xx_power_init(struct msm_gpu *gpu);
43 void a5xx_gpmu_ucode_init(struct msm_gpu *gpu);
44
spin_usecs(struct msm_gpu * gpu,uint32_t usecs,uint32_t reg,uint32_t mask,uint32_t value)45 static inline int spin_usecs(struct msm_gpu *gpu, uint32_t usecs,
46 uint32_t reg, uint32_t mask, uint32_t value)
47 {
48 while (usecs--) {
49 udelay(1);
50 if ((gpu_read(gpu, reg) & mask) == value)
51 return 0;
52 cpu_relax();
53 }
54
55 return -ETIMEDOUT;
56 }
57
58 bool a5xx_idle(struct msm_gpu *gpu);
59 void a5xx_set_hwcg(struct msm_gpu *gpu, bool state);
60
61 #endif /* __A5XX_GPU_H__ */
62