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
43  * _len + 1 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 
a6xx_llc_rmw(struct a6xx_gpu * a6xx_gpu,u32 reg,u32 mask,u32 or)65 static inline void a6xx_llc_rmw(struct a6xx_gpu *a6xx_gpu, u32 reg, u32 mask, u32 or)
66 {
67 	return msm_rmw(a6xx_gpu->llc_mmio + (reg << 2), mask, or);
68 }
69 
a6xx_llc_read(struct a6xx_gpu * a6xx_gpu,u32 reg)70 static inline u32 a6xx_llc_read(struct a6xx_gpu *a6xx_gpu, u32 reg)
71 {
72 	return msm_readl(a6xx_gpu->llc_mmio + (reg << 2));
73 }
74 
a6xx_llc_write(struct a6xx_gpu * a6xx_gpu,u32 reg,u32 value)75 static inline void a6xx_llc_write(struct a6xx_gpu *a6xx_gpu, u32 reg, u32 value)
76 {
77 	msm_writel(value, a6xx_gpu->llc_mmio + (reg << 2));
78 }
79 
80 #define shadowptr(_a6xx_gpu, _ring) ((_a6xx_gpu)->shadow_iova + \
81 		((_ring)->id * sizeof(uint32_t)))
82 
83 int a6xx_gmu_resume(struct a6xx_gpu *gpu);
84 int a6xx_gmu_stop(struct a6xx_gpu *gpu);
85 
86 int a6xx_gmu_wait_for_idle(struct a6xx_gmu *gmu);
87 
88 bool a6xx_gmu_isidle(struct a6xx_gmu *gmu);
89 
90 int a6xx_gmu_set_oob(struct a6xx_gmu *gmu, enum a6xx_gmu_oob_state state);
91 void a6xx_gmu_clear_oob(struct a6xx_gmu *gmu, enum a6xx_gmu_oob_state state);
92 
93 int a6xx_gmu_init(struct a6xx_gpu *a6xx_gpu, struct device_node *node);
94 int a6xx_gmu_wrapper_init(struct a6xx_gpu *a6xx_gpu, struct device_node *node);
95 void a6xx_gmu_remove(struct a6xx_gpu *a6xx_gpu);
96 
97 void a6xx_gmu_set_freq(struct msm_gpu *gpu, struct dev_pm_opp *opp,
98 		       bool suspended);
99 unsigned long a6xx_gmu_get_freq(struct msm_gpu *gpu);
100 
101 void a6xx_show(struct msm_gpu *gpu, struct msm_gpu_state *state,
102 		struct drm_printer *p);
103 
104 struct msm_gpu_state *a6xx_gpu_state_get(struct msm_gpu *gpu);
105 int a6xx_gpu_state_put(struct msm_gpu_state *state);
106 
107 void a6xx_bus_clear_pending_transactions(struct adreno_gpu *adreno_gpu, bool gx_off);
108 void a6xx_gpu_sw_reset(struct msm_gpu *gpu, bool assert);
109 
110 #endif /* __A6XX_GPU_H__ */
111