1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2017, 2019 The Linux Foundation. All rights reserved. */
3
4 #ifndef __A6XX_GPU_H__
5 #define __A6XX_GPU_H__
6
7
8 #include "adreno_gpu.h"
9 #include "a6xx.xml.h"
10
11 #include "a6xx_gmu.h"
12
13 extern bool hang_debug;
14
15 struct a6xx_gpu {
16 struct adreno_gpu base;
17
18 struct drm_gem_object *sqe_bo;
19 uint64_t sqe_iova;
20
21 struct msm_ringbuffer *cur_ring;
22
23 struct a6xx_gmu gmu;
24
25 struct drm_gem_object *shadow_bo;
26 uint64_t shadow_iova;
27 uint32_t *shadow;
28
29 bool has_whereami;
30
31 void __iomem *llc_mmio;
32 void *llc_slice;
33 void *htw_llc_slice;
34 bool have_mmu500;
35 bool hung;
36 };
37
38 #define to_a6xx_gpu(x) container_of(x, struct a6xx_gpu, base)
39
40 /*
41 * Given a register and a count, return a value to program into
42 * REG_CP_PROTECT_REG(n) - this will block both reads and writes for _len
43 * registers starting at _reg.
44 */
45 #define A6XX_PROTECT_NORDWR(_reg, _len) \
46 ((1 << 31) | \
47 (((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF))
48
49 /*
50 * Same as above, but allow reads over the range. For areas of mixed use (such
51 * as performance counters) this allows us to protect a much larger range with a
52 * single register
53 */
54 #define A6XX_PROTECT_RDONLY(_reg, _len) \
55 ((((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF))
56
a6xx_has_gbif(struct adreno_gpu * gpu)57 static inline bool a6xx_has_gbif(struct adreno_gpu *gpu)
58 {
59 if(adreno_is_a630(gpu))
60 return false;
61
62 return true;
63 }
64
65 #define shadowptr(_a6xx_gpu, _ring) ((_a6xx_gpu)->shadow_iova + \
66 ((_ring)->id * sizeof(uint32_t)))
67
68 int a6xx_gmu_resume(struct a6xx_gpu *gpu);
69 int a6xx_gmu_stop(struct a6xx_gpu *gpu);
70
71 int a6xx_gmu_wait_for_idle(struct a6xx_gmu *gmu);
72
73 bool a6xx_gmu_isidle(struct a6xx_gmu *gmu);
74
75 int a6xx_gmu_set_oob(struct a6xx_gmu *gmu, enum a6xx_gmu_oob_state state);
76 void a6xx_gmu_clear_oob(struct a6xx_gmu *gmu, enum a6xx_gmu_oob_state state);
77
78 int a6xx_gmu_init(struct a6xx_gpu *a6xx_gpu, struct device_node *node);
79 void a6xx_gmu_remove(struct a6xx_gpu *a6xx_gpu);
80
81 void a6xx_gmu_set_freq(struct msm_gpu *gpu, struct dev_pm_opp *opp,
82 bool suspended);
83 unsigned long a6xx_gmu_get_freq(struct msm_gpu *gpu);
84
85 void a6xx_show(struct msm_gpu *gpu, struct msm_gpu_state *state,
86 struct drm_printer *p);
87
88 struct msm_gpu_state *a6xx_gpu_state_get(struct msm_gpu *gpu);
89 int a6xx_gpu_state_put(struct msm_gpu_state *state);
90
91 #endif /* __A6XX_GPU_H__ */
92