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1 /*
2  * Copyright 2012 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * on the rights to use, copy, modify, merge, publish, distribute, sub
8  * license, and/or sell copies of the Software, and to permit persons to whom
9  * the Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
22  *
23  * Authors:
24  *      Christian König <christian.koenig@amd.com>
25  */
26 
27 #ifndef SI_PM4_H
28 #define SI_PM4_H
29 
30 #include "radeon/radeon_winsys.h"
31 
32 #define SI_PM4_MAX_DW		176
33 #define SI_PM4_MAX_BO		1
34 
35 // forward defines
36 struct si_context;
37 enum chip_class;
38 
39 struct si_pm4_state
40 {
41 	/* optional indirect buffer */
42 	struct r600_resource	*indirect_buffer;
43 
44 	/* PKT3_SET_*_REG handling */
45 	unsigned	last_opcode;
46 	unsigned	last_reg;
47 	unsigned	last_pm4;
48 
49 	/* commands for the DE */
50 	unsigned	ndw;
51 	uint32_t	pm4[SI_PM4_MAX_DW];
52 
53 	/* BO's referenced by this state */
54 	unsigned		nbo;
55 	struct r600_resource	*bo[SI_PM4_MAX_BO];
56 	enum radeon_bo_usage	bo_usage[SI_PM4_MAX_BO];
57 	enum radeon_bo_priority	bo_priority[SI_PM4_MAX_BO];
58 
59 	bool compute_pkt;
60 };
61 
62 void si_pm4_cmd_begin(struct si_pm4_state *state, unsigned opcode);
63 void si_pm4_cmd_add(struct si_pm4_state *state, uint32_t dw);
64 void si_pm4_cmd_end(struct si_pm4_state *state, bool predicate);
65 
66 void si_pm4_set_reg(struct si_pm4_state *state, unsigned reg, uint32_t val);
67 void si_pm4_add_bo(struct si_pm4_state *state,
68 		   struct r600_resource *bo,
69 		   enum radeon_bo_usage usage,
70 		   enum radeon_bo_priority priority);
71 void si_pm4_upload_indirect_buffer(struct si_context *sctx,
72 				   struct si_pm4_state *state);
73 
74 void si_pm4_clear_state(struct si_pm4_state *state);
75 void si_pm4_free_state_simple(struct si_pm4_state *state);
76 void si_pm4_free_state(struct si_context *sctx,
77 		       struct si_pm4_state *state,
78 		       unsigned idx);
79 
80 void si_pm4_emit(struct si_context *sctx, struct si_pm4_state *state);
81 void si_pm4_emit_dirty(struct si_context *sctx);
82 void si_pm4_reset_emitted(struct si_context *sctx);
83 
84 #endif
85