1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/*
* Copyright (C) 2015 Etnaviv Project
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ETNAVIV_GPU_H__
#define __ETNAVIV_GPU_H__
#include <linux/clk.h>
#include <linux/regulator/consumer.h>
#include "etnaviv_drv.h"
struct etnaviv_gem_submit;
struct etnaviv_vram_mapping;
struct etnaviv_chip_identity {
/* Chip model. */
u32 model;
/* Revision value.*/
u32 revision;
/* Supported feature fields. */
u32 features;
/* Supported minor feature fields. */
u32 minor_features0;
/* Supported minor feature 1 fields. */
u32 minor_features1;
/* Supported minor feature 2 fields. */
u32 minor_features2;
/* Supported minor feature 3 fields. */
u32 minor_features3;
/* Supported minor feature 4 fields. */
u32 minor_features4;
/* Supported minor feature 5 fields. */
u32 minor_features5;
/* Number of streams supported. */
u32 stream_count;
/* Total number of temporary registers per thread. */
u32 register_max;
/* Maximum number of threads. */
u32 thread_count;
/* Number of shader cores. */
u32 shader_core_count;
/* Size of the vertex cache. */
u32 vertex_cache_size;
/* Number of entries in the vertex output buffer. */
u32 vertex_output_buffer_size;
/* Number of pixel pipes. */
u32 pixel_pipes;
/* Number of instructions. */
u32 instruction_count;
/* Number of constants. */
u32 num_constants;
/* Buffer size */
u32 buffer_size;
/* Number of varyings */
u8 varyings_count;
};
struct etnaviv_event {
bool used;
struct fence *fence;
};
struct etnaviv_cmdbuf;
struct etnaviv_gpu {
struct drm_device *drm;
struct device *dev;
struct mutex lock;
struct etnaviv_chip_identity identity;
struct etnaviv_file_private *lastctx;
bool switch_context;
/* 'ring'-buffer: */
struct etnaviv_cmdbuf *buffer;
int exec_state;
/* bus base address of memory */
u32 memory_base;
/* event management: */
struct etnaviv_event event[30];
struct completion event_free;
spinlock_t event_spinlock;
/* list of currently in-flight command buffers */
struct list_head active_cmd_list;
u32 idle_mask;
/* Fencing support */
u32 next_fence;
u32 active_fence;
u32 completed_fence;
u32 retired_fence;
wait_queue_head_t fence_event;
u64 fence_context;
spinlock_t fence_spinlock;
/* worker for handling active-list retiring: */
struct work_struct retire_work;
void __iomem *mmio;
int irq;
struct etnaviv_iommu *mmu;
/* Power Control: */
struct clk *clk_bus;
struct clk *clk_core;
struct clk *clk_shader;
/* Hang Detction: */
#define DRM_ETNAVIV_HANGCHECK_PERIOD 500 /* in ms */
#define DRM_ETNAVIV_HANGCHECK_JIFFIES msecs_to_jiffies(DRM_ETNAVIV_HANGCHECK_PERIOD)
struct timer_list hangcheck_timer;
u32 hangcheck_fence;
u32 hangcheck_dma_addr;
struct work_struct recover_work;
};
struct etnaviv_cmdbuf {
/* device this cmdbuf is allocated for */
struct etnaviv_gpu *gpu;
/* user context key, must be unique between all active users */
struct etnaviv_file_private *ctx;
/* cmdbuf properties */
void *vaddr;
dma_addr_t paddr;
u32 size;
u32 user_size;
/* vram node used if the cmdbuf is mapped through the MMUv2 */
struct drm_mm_node vram_node;
/* fence after which this buffer is to be disposed */
struct fence *fence;
/* target exec state */
u32 exec_state;
/* per GPU in-flight list */
struct list_head node;
/* BOs attached to this command buffer */
unsigned int nr_bos;
struct etnaviv_vram_mapping *bo_map[0];
};
static inline void gpu_write(struct etnaviv_gpu *gpu, u32 reg, u32 data)
{
etnaviv_writel(data, gpu->mmio + reg);
}
static inline u32 gpu_read(struct etnaviv_gpu *gpu, u32 reg)
{
return etnaviv_readl(gpu->mmio + reg);
}
static inline bool fence_completed(struct etnaviv_gpu *gpu, u32 fence)
{
return fence_after_eq(gpu->completed_fence, fence);
}
static inline bool fence_retired(struct etnaviv_gpu *gpu, u32 fence)
{
return fence_after_eq(gpu->retired_fence, fence);
}
int etnaviv_gpu_get_param(struct etnaviv_gpu *gpu, u32 param, u64 *value);
int etnaviv_gpu_init(struct etnaviv_gpu *gpu);
#ifdef CONFIG_DEBUG_FS
int etnaviv_gpu_debugfs(struct etnaviv_gpu *gpu, struct seq_file *m);
#endif
int etnaviv_gpu_fence_sync_obj(struct etnaviv_gem_object *etnaviv_obj,
unsigned int context, bool exclusive);
void etnaviv_gpu_retire(struct etnaviv_gpu *gpu);
int etnaviv_gpu_wait_fence_interruptible(struct etnaviv_gpu *gpu,
u32 fence, struct timespec *timeout);
int etnaviv_gpu_wait_obj_inactive(struct etnaviv_gpu *gpu,
struct etnaviv_gem_object *etnaviv_obj, struct timespec *timeout);
int etnaviv_gpu_submit(struct etnaviv_gpu *gpu,
struct etnaviv_gem_submit *submit, struct etnaviv_cmdbuf *cmdbuf);
struct etnaviv_cmdbuf *etnaviv_gpu_cmdbuf_new(struct etnaviv_gpu *gpu,
u32 size, size_t nr_bos);
void etnaviv_gpu_cmdbuf_free(struct etnaviv_cmdbuf *cmdbuf);
int etnaviv_gpu_pm_get_sync(struct etnaviv_gpu *gpu);
void etnaviv_gpu_pm_put(struct etnaviv_gpu *gpu);
int etnaviv_gpu_wait_idle(struct etnaviv_gpu *gpu, unsigned int timeout_ms);
void etnaviv_gpu_start_fe(struct etnaviv_gpu *gpu, u32 address, u16 prefetch);
extern struct platform_driver etnaviv_gpu_driver;
#endif /* __ETNAVIV_GPU_H__ */
|
