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
13extern bool hang_debug;
14
15struct 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
57static 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
65static 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
70static 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
75static 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
83int a6xx_gmu_resume(struct a6xx_gpu *gpu);
84int a6xx_gmu_stop(struct a6xx_gpu *gpu);
85
86int a6xx_gmu_wait_for_idle(struct a6xx_gmu *gmu);
87
88bool a6xx_gmu_isidle(struct a6xx_gmu *gmu);
89
90int a6xx_gmu_set_oob(struct a6xx_gmu *gmu, enum a6xx_gmu_oob_state state);
91void a6xx_gmu_clear_oob(struct a6xx_gmu *gmu, enum a6xx_gmu_oob_state state);
92
93int a6xx_gmu_init(struct a6xx_gpu *a6xx_gpu, struct device_node *node);
94int a6xx_gmu_wrapper_init(struct a6xx_gpu *a6xx_gpu, struct device_node *node);
95void a6xx_gmu_remove(struct a6xx_gpu *a6xx_gpu);
96
97void a6xx_gmu_set_freq(struct msm_gpu *gpu, struct dev_pm_opp *opp,
98 bool suspended);
99unsigned long a6xx_gmu_get_freq(struct msm_gpu *gpu);
100
101void a6xx_show(struct msm_gpu *gpu, struct msm_gpu_state *state,
102 struct drm_printer *p);
103
104struct msm_gpu_state *a6xx_gpu_state_get(struct msm_gpu *gpu);
105int a6xx_gpu_state_put(struct msm_gpu_state *state);
106
107void a6xx_bus_clear_pending_transactions(struct adreno_gpu *adreno_gpu, bool gx_off);
108void a6xx_gpu_sw_reset(struct msm_gpu *gpu, bool assert);
109
110#endif /* __A6XX_GPU_H__ */
111

source code of linux/drivers/gpu/drm/msm/adreno/a6xx_gpu.h