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Diffstat (limited to 'drivers/gpu/nvgpu/gk20a/ce2_gk20a.h')
-rw-r--r--drivers/gpu/nvgpu/gk20a/ce2_gk20a.h124
1 files changed, 124 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/gk20a/ce2_gk20a.h b/drivers/gpu/nvgpu/gk20a/ce2_gk20a.h
index 5ceb69e1..3b53834d 100644
--- a/drivers/gpu/nvgpu/gk20a/ce2_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/ce2_gk20a.h
@@ -28,4 +28,128 @@ void gk20a_init_ce2(struct gpu_ops *gops);
28void gk20a_ce2_isr(struct gk20a *g, u32 inst_id, u32 pri_base); 28void gk20a_ce2_isr(struct gk20a *g, u32 inst_id, u32 pri_base);
29void gk20a_ce2_nonstall_isr(struct gk20a *g, u32 inst_id, u32 pri_base); 29void gk20a_ce2_nonstall_isr(struct gk20a *g, u32 inst_id, u32 pri_base);
30 30
31/* CE command utility macros */
32#define NVGPU_CE_LOWER_ADDRESS_OFFSET_MASK 0xffffffff
33#define NVGPU_CE_UPPER_ADDRESS_OFFSET_MASK 0xff
34
35#define NVGPU_CE_COMMAND_BUF_SIZE 4096
36#define NVGPU_CE_MAX_COMMAND_BUFF_SIZE_PER_KICKOFF 128
37#define NVGPU_CE_MAX_COMMAND_BUFF_SIZE_FOR_TRACING 8
38
39typedef void (*ce_event_callback)(u32 ce_ctx_id, u32 ce_event_flag);
40
41/* dma launch_flags */
42enum {
43 /* location */
44 NVGPU_CE_SRC_LOCATION_COHERENT_SYSMEM = (1 << 0),
45 NVGPU_CE_SRC_LOCATION_NONCOHERENT_SYSMEM = (1 << 1),
46 NVGPU_CE_SRC_LOCATION_LOCAL_FB = (1 << 2),
47 NVGPU_CE_DST_LOCATION_COHERENT_SYSMEM = (1 << 3),
48 NVGPU_CE_DST_LOCATION_NONCOHERENT_SYSMEM = (1 << 4),
49 NVGPU_CE_DST_LOCATION_LOCAL_FB = (1 << 5),
50
51 /* memory layout */
52 NVGPU_CE_SRC_MEMORY_LAYOUT_PITCH = (1 << 6),
53 NVGPU_CE_SRC_MEMORY_LAYOUT_BLOCKLINEAR = (1 << 7),
54 NVGPU_CE_DST_MEMORY_LAYOUT_PITCH = (1 << 8),
55 NVGPU_CE_DST_MEMORY_LAYOUT_BLOCKLINEAR = (1 << 9),
56
57 /* transfer type */
58 NVGPU_CE_DATA_TRANSFER_TYPE_PIPELINED = (1 << 10),
59 NVGPU_CE_DATA_TRANSFER_TYPE_NON_PIPELINED = (1 << 11),
60};
61
62/* CE operation mode */
63enum {
64 NVGPU_CE_PHYS_MODE_TRANSFER = (1 << 0),
65 NVGPU_CE_MEMSET = (1 << 1),
66};
67
68/* CE event flags */
69enum {
70 NVGPU_CE_CONTEXT_JOB_COMPLETED = (1 << 0),
71 NVGPU_CE_CONTEXT_JOB_TIMEDOUT = (1 << 1),
72 NVGPU_CE_CONTEXT_SUSPEND = (1 << 2),
73 NVGPU_CE_CONTEXT_RESUME = (1 << 3),
74};
75
76/* CE app state machine flags */
77enum {
78 NVGPU_CE_ACTIVE = (1 << 0),
79 NVGPU_CE_SUSPEND = (1 << 1),
80};
81
82/* gpu context state machine flags */
83enum {
84 NVGPU_CE_GPU_CTX_ALLOCATED = (1 << 0),
85 NVGPU_CE_GPU_CTX_DELETED = (1 << 1),
86};
87
88/* global ce app db */
89struct gk20a_ce_app {
90 bool initialised;
91 struct mutex app_mutex;
92 int app_state;
93
94 struct list_head allocated_contexts;
95 u32 ctx_count;
96 u32 next_ctx_id;
97};
98
99/* ce context db */
100struct gk20a_gpu_ctx {
101 struct gk20a *g;
102 struct device *dev;
103 u32 ctx_id;
104 struct mutex gpu_ctx_mutex;
105 int gpu_ctx_state;
106 ce_event_callback user_event_callback;
107
108 /* channel related data */
109 struct channel_gk20a *ch;
110 struct vm_gk20a *vm;
111
112 /* cmd buf mem_desc */
113 struct mem_desc cmd_buf_mem;
114
115 struct list_head list;
116
117 u64 submitted_seq_number;
118 u64 completed_seq_number;
119
120 u32 cmd_buf_read_queue_offset;
121 u32 cmd_buf_end_queue_offset;
122};
123
124/* global CE app related apis */
125int gk20a_init_ce_support(struct gk20a *g);
126void gk20a_ce_suspend(struct gk20a *g);
127void gk20a_ce_destroy(struct gk20a *g);
128
129/* CE app utility functions */
130u32 gk20a_ce_create_context_with_cb(struct device *dev,
131 int runlist_id,
132 int priority,
133 int timeslice,
134 int runlist_level,
135 ce_event_callback user_event_callback);
136int gk20a_ce_execute_ops(struct device *dev,
137 u32 ce_ctx_id,
138 u64 src_buf,
139 u64 dst_buf,
140 u64 size,
141 unsigned int payload,
142 int launch_flags,
143 int request_operation,
144 struct gk20a_fence *gk20a_fence_in,
145 u32 submit_flags,
146 struct gk20a_fence **gk20a_fence_out);
147void gk20a_ce_delete_context(struct device *dev,
148 u32 ce_ctx_id);
149
150#ifdef CONFIG_DEBUG_FS
151/* CE app debugfs api */
152void gk20a_ce_debugfs_init(struct device *dev);
153#endif
154
31#endif /*__CE2_GK20A_H__*/ 155#endif /*__CE2_GK20A_H__*/