xref: /openbmc/linux/drivers/gpu/drm/msm/adreno/a6xx_gpu.h (revision 32c2e6dd)
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 	struct msm_file_private *cur_ctx;
23 
24 	struct a6xx_gmu gmu;
25 
26 	struct drm_gem_object *shadow_bo;
27 	uint64_t shadow_iova;
28 	uint32_t *shadow;
29 
30 	bool has_whereami;
31 
32 	void __iomem *llc_mmio;
33 	void *llc_slice;
34 	void *htw_llc_slice;
35 	bool have_mmu500;
36 
37 	struct opp_table *opp_table;
38 };
39 
40 #define to_a6xx_gpu(x) container_of(x, struct a6xx_gpu, base)
41 
42 /*
43  * Given a register and a count, return a value to program into
44  * REG_CP_PROTECT_REG(n) - this will block both reads and writes for _len
45  * registers starting at _reg.
46  */
47 #define A6XX_PROTECT_RW(_reg, _len) \
48 	((1 << 31) | \
49 	(((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF))
50 
51 /*
52  * Same as above, but allow reads over the range. For areas of mixed use (such
53  * as performance counters) this allows us to protect a much larger range with a
54  * single register
55  */
56 #define A6XX_PROTECT_RDONLY(_reg, _len) \
57 	((((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF))
58 
59 static inline bool a6xx_has_gbif(struct adreno_gpu *gpu)
60 {
61 	if(adreno_is_a630(gpu))
62 		return false;
63 
64 	return true;
65 }
66 
67 #define shadowptr(_a6xx_gpu, _ring) ((_a6xx_gpu)->shadow_iova + \
68 		((_ring)->id * sizeof(uint32_t)))
69 
70 int a6xx_gmu_resume(struct a6xx_gpu *gpu);
71 int a6xx_gmu_stop(struct a6xx_gpu *gpu);
72 
73 int a6xx_gmu_wait_for_idle(struct a6xx_gmu *gmu);
74 
75 bool a6xx_gmu_isidle(struct a6xx_gmu *gmu);
76 
77 int a6xx_gmu_set_oob(struct a6xx_gmu *gmu, enum a6xx_gmu_oob_state state);
78 void a6xx_gmu_clear_oob(struct a6xx_gmu *gmu, enum a6xx_gmu_oob_state state);
79 
80 int a6xx_gmu_init(struct a6xx_gpu *a6xx_gpu, struct device_node *node);
81 void a6xx_gmu_remove(struct a6xx_gpu *a6xx_gpu);
82 
83 void a6xx_gmu_set_freq(struct msm_gpu *gpu, struct dev_pm_opp *opp);
84 unsigned long a6xx_gmu_get_freq(struct msm_gpu *gpu);
85 
86 void a6xx_show(struct msm_gpu *gpu, struct msm_gpu_state *state,
87 		struct drm_printer *p);
88 
89 struct msm_gpu_state *a6xx_gpu_state_get(struct msm_gpu *gpu);
90 int a6xx_gpu_state_put(struct msm_gpu_state *state);
91 
92 #endif /* __A6XX_GPU_H__ */
93