xref: /openbmc/linux/drivers/gpu/drm/msm/adreno/a6xx_gpu.h (revision 84c31ee1)
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 
27 #define to_a6xx_gpu(x) container_of(x, struct a6xx_gpu, base)
28 
29 /*
30  * Given a register and a count, return a value to program into
31  * REG_CP_PROTECT_REG(n) - this will block both reads and writes for _len
32  * registers starting at _reg.
33  */
34 #define A6XX_PROTECT_RW(_reg, _len) \
35 	((1 << 31) | \
36 	(((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF))
37 
38 /*
39  * Same as above, but allow reads over the range. For areas of mixed use (such
40  * as performance counters) this allows us to protect a much larger range with a
41  * single register
42  */
43 #define A6XX_PROTECT_RDONLY(_reg, _len) \
44 	((((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF))
45 
46 static inline bool a6xx_has_gbif(struct adreno_gpu *gpu)
47 {
48 	if(adreno_is_a630(gpu))
49 		return false;
50 
51 	return true;
52 }
53 
54 int a6xx_gmu_resume(struct a6xx_gpu *gpu);
55 int a6xx_gmu_stop(struct a6xx_gpu *gpu);
56 
57 int a6xx_gmu_wait_for_idle(struct a6xx_gmu *gmu);
58 
59 bool a6xx_gmu_isidle(struct a6xx_gmu *gmu);
60 
61 int a6xx_gmu_set_oob(struct a6xx_gmu *gmu, enum a6xx_gmu_oob_state state);
62 void a6xx_gmu_clear_oob(struct a6xx_gmu *gmu, enum a6xx_gmu_oob_state state);
63 
64 int a6xx_gmu_init(struct a6xx_gpu *a6xx_gpu, struct device_node *node);
65 void a6xx_gmu_remove(struct a6xx_gpu *a6xx_gpu);
66 
67 void a6xx_gmu_set_freq(struct msm_gpu *gpu, struct dev_pm_opp *opp);
68 unsigned long a6xx_gmu_get_freq(struct msm_gpu *gpu);
69 
70 void a6xx_show(struct msm_gpu *gpu, struct msm_gpu_state *state,
71 		struct drm_printer *p);
72 
73 struct msm_gpu_state *a6xx_gpu_state_get(struct msm_gpu *gpu);
74 int a6xx_gpu_state_put(struct msm_gpu_state *state);
75 
76 #endif /* __A6XX_GPU_H__ */
77