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 /**
24 * cur_ctx_seqno:
25 *
26 * The ctx->seqno value of the context with current pgtables
27 * installed. Tracked by seqno rather than pointer value to
28 * avoid dangling pointers, and cases where a ctx can be freed
29 * and a new one created with the same address.
30 */
31 int cur_ctx_seqno;
32
33 struct a6xx_gmu gmu;
34
35 struct drm_gem_object *shadow_bo;
36 uint64_t shadow_iova;
37 uint32_t *shadow;
38
39 bool has_whereami;
40
41 void __iomem *llc_mmio;
42 void *llc_slice;
43 void *htw_llc_slice;
44 bool have_mmu500;
45 };
46
47 #define to_a6xx_gpu(x) container_of(x, struct a6xx_gpu, base)
48
49 /*
50 * Given a register and a count, return a value to program into
51 * REG_CP_PROTECT_REG(n) - this will block both reads and writes for _len
52 * registers starting at _reg.
53 */
54 #define A6XX_PROTECT_NORDWR(_reg, _len) \
55 ((1 << 31) | \
56 (((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF))
57
58 /*
59 * Same as above, but allow reads over the range. For areas of mixed use (such
60 * as performance counters) this allows us to protect a much larger range with a
61 * single register
62 */
63 #define A6XX_PROTECT_RDONLY(_reg, _len) \
64 ((((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF))
65
a6xx_has_gbif(struct adreno_gpu * gpu)66 static inline bool a6xx_has_gbif(struct adreno_gpu *gpu)
67 {
68 if(adreno_is_a630(gpu))
69 return false;
70
71 return true;
72 }
73
74 #define shadowptr(_a6xx_gpu, _ring) ((_a6xx_gpu)->shadow_iova + \
75 ((_ring)->id * sizeof(uint32_t)))
76
77 int a6xx_gmu_resume(struct a6xx_gpu *gpu);
78 int a6xx_gmu_stop(struct a6xx_gpu *gpu);
79
80 int a6xx_gmu_wait_for_idle(struct a6xx_gmu *gmu);
81
82 bool a6xx_gmu_isidle(struct a6xx_gmu *gmu);
83
84 int a6xx_gmu_set_oob(struct a6xx_gmu *gmu, enum a6xx_gmu_oob_state state);
85 void a6xx_gmu_clear_oob(struct a6xx_gmu *gmu, enum a6xx_gmu_oob_state state);
86
87 int a6xx_gmu_init(struct a6xx_gpu *a6xx_gpu, struct device_node *node);
88 void a6xx_gmu_remove(struct a6xx_gpu *a6xx_gpu);
89
90 void a6xx_gmu_set_freq(struct msm_gpu *gpu, struct dev_pm_opp *opp);
91 unsigned long a6xx_gmu_get_freq(struct msm_gpu *gpu);
92
93 void a6xx_show(struct msm_gpu *gpu, struct msm_gpu_state *state,
94 struct drm_printer *p);
95
96 struct msm_gpu_state *a6xx_gpu_state_get(struct msm_gpu *gpu);
97 int a6xx_gpu_state_put(struct msm_gpu_state *state);
98
99 #endif /* __A6XX_GPU_H__ */
100