1 /*
2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
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  *      Jerome Glisse
25  */
26 #ifndef R600_H
27 #define R600_H
28 
29 #include "../../winsys/radeon/drm/radeon_winsys.h"
30 #include "util/u_double_list.h"
31 #include "util/u_transfer.h"
32 
33 #define R600_ERR(fmt, args...) \
34 	fprintf(stderr, "EE %s:%d %s - "fmt, __FILE__, __LINE__, __func__, ##args)
35 
36 struct winsys_handle;
37 
38 enum radeon_family {
39 	CHIP_UNKNOWN,
40 	CHIP_R600,
41 	CHIP_RV610,
42 	CHIP_RV630,
43 	CHIP_RV670,
44 	CHIP_RV620,
45 	CHIP_RV635,
46 	CHIP_RS780,
47 	CHIP_RS880,
48 	CHIP_RV770,
49 	CHIP_RV730,
50 	CHIP_RV710,
51 	CHIP_RV740,
52 	CHIP_CEDAR,
53 	CHIP_REDWOOD,
54 	CHIP_JUNIPER,
55 	CHIP_CYPRESS,
56 	CHIP_HEMLOCK,
57 	CHIP_PALM,
58 	CHIP_SUMO,
59 	CHIP_SUMO2,
60 	CHIP_BARTS,
61 	CHIP_TURKS,
62 	CHIP_CAICOS,
63 	CHIP_CAYMAN,
64 	CHIP_ARUBA,
65 	CHIP_LAST,
66 };
67 
68 enum chip_class {
69 	R600,
70 	R700,
71 	EVERGREEN,
72 	CAYMAN,
73 };
74 
75 struct r600_tiling_info {
76 	unsigned num_channels;
77 	unsigned num_banks;
78 	unsigned group_bytes;
79 };
80 
81 struct r600_resource {
82 	struct u_resource		b;
83 
84 	/* Winsys objects. */
85 	struct pb_buffer		*buf;
86 	struct radeon_winsys_cs_handle	*cs_buf;
87 
88 	/* Resource state. */
89 	unsigned			domains;
90 };
91 
92 #define R600_BLOCK_MAX_BO		32
93 #define R600_BLOCK_MAX_REG		128
94 
95 /* each range covers 9 bits of dword space = 512 dwords = 2k bytes */
96 /* there is a block entry for each register so 512 blocks */
97 /* we have no registers to read/write below 0x8000 (0x2000 in dw space) */
98 /* we use some fake offsets at 0x40000 to do evergreen sampler borders so take 0x42000 as a max bound*/
99 #define RANGE_OFFSET_START 0x8000
100 #define HASH_SHIFT 9
101 #define NUM_RANGES (0x42000 - RANGE_OFFSET_START) / (4 << HASH_SHIFT) /* 128 << 9 = 64k */
102 
103 #define CTX_RANGE_ID(offset) ((((offset - RANGE_OFFSET_START) >> 2) >> HASH_SHIFT) & 255)
104 #define CTX_BLOCK_ID(offset) (((offset - RANGE_OFFSET_START) >> 2) & ((1 << HASH_SHIFT) - 1))
105 
106 struct r600_pipe_reg {
107 	uint32_t			value;
108 	struct r600_block 		*block;
109 	struct r600_resource		*bo;
110 	enum radeon_bo_usage		bo_usage;
111 	uint32_t			id;
112 };
113 
114 struct r600_pipe_state {
115 	unsigned			id;
116 	unsigned			nregs;
117 	struct r600_pipe_reg		regs[R600_BLOCK_MAX_REG];
118 };
119 
120 #define R600_BLOCK_STATUS_ENABLED	(1 << 0)
121 #define R600_BLOCK_STATUS_DIRTY		(1 << 1)
122 
123 struct r600_block_reloc {
124 	struct r600_resource	*bo;
125 	enum radeon_bo_usage	bo_usage;
126 	unsigned		bo_pm4_index;
127 };
128 
129 struct r600_block {
130 	struct list_head	list;
131 	struct list_head	enable_list;
132 	unsigned		status;
133 	unsigned                flags;
134 	unsigned		start_offset;
135 	unsigned		pm4_ndwords;
136 	unsigned		nbo;
137 	uint16_t 		nreg;
138 	uint16_t                nreg_dirty;
139 	uint32_t		*reg;
140 	uint32_t		pm4[R600_BLOCK_MAX_REG];
141 	unsigned		pm4_bo_index[R600_BLOCK_MAX_REG];
142 	struct r600_block_reloc	reloc[R600_BLOCK_MAX_BO];
143 };
144 
145 struct r600_range {
146 	struct r600_block	**blocks;
147 };
148 
149 struct r600_query_buffer {
150 	/* The buffer where query results are stored. */
151 	struct r600_resource			*buf;
152 	/* Offset of the next free result after current query data */
153 	unsigned				results_end;
154 	/* If a query buffer is full, a new buffer is created and the old one
155 	 * is put in here. When we calculate the result, we sum up the samples
156 	 * from all buffers. */
157 	struct r600_query_buffer		*previous;
158 };
159 
160 struct r600_query {
161 	/* The query buffer and how many results are in it. */
162 	struct r600_query_buffer		buffer;
163 	/* The type of query */
164 	unsigned				type;
165 	/* Size of the result in memory for both begin_query and end_query,
166 	 * this can be one or two numbers, or it could even be a size of a structure. */
167 	unsigned				result_size;
168 	/* The number of dwords for begin_query or end_query. */
169 	unsigned				num_cs_dw;
170 	/* linked list of queries */
171 	struct list_head			list;
172 };
173 
174 struct r600_so_target {
175 	struct pipe_stream_output_target b;
176 
177 	/* The buffer where BUFFER_FILLED_SIZE is stored. */
178 	struct r600_resource	*filled_size;
179 	unsigned		stride_in_dw;
180 	unsigned		so_index;
181 };
182 
183 #define R600_CONTEXT_DRAW_PENDING	(1 << 0)
184 #define R600_CONTEXT_DST_CACHES_DIRTY	(1 << 1)
185 #define R600_PARTIAL_FLUSH		(1 << 2)
186 
187 struct r600_context;
188 struct r600_screen;
189 
190 void r600_get_backend_mask(struct r600_context *ctx);
191 int r600_context_init(struct r600_context *ctx);
192 void r600_context_fini(struct r600_context *ctx);
193 void r600_context_pipe_state_emit(struct r600_context *ctx, struct r600_pipe_state *state, unsigned pkt_flags);
194 void r600_context_pipe_state_set(struct r600_context *ctx, struct r600_pipe_state *state);
195 void r600_context_flush(struct r600_context *ctx, unsigned flags);
196 
197 void r600_context_emit_fence(struct r600_context *ctx, struct r600_resource *fence,
198                              unsigned offset, unsigned value);
199 void r600_inval_shader_cache(struct r600_context *ctx);
200 void r600_inval_texture_cache(struct r600_context *ctx);
201 void r600_inval_vertex_cache(struct r600_context *ctx);
202 void r600_flush_framebuffer(struct r600_context *ctx, bool flush_now);
203 
204 void r600_context_streamout_begin(struct r600_context *ctx);
205 void r600_context_streamout_end(struct r600_context *ctx);
206 void r600_need_cs_space(struct r600_context *ctx, unsigned num_dw, boolean count_draw_in);
207 void r600_context_block_emit_dirty(struct r600_context *ctx, struct r600_block *block, unsigned pkt_flags);
208 
209 int evergreen_context_init(struct r600_context *ctx);
210 
211 void _r600_pipe_state_add_reg_bo(struct r600_context *ctx,
212 				 struct r600_pipe_state *state,
213 				 uint32_t offset, uint32_t value,
214 				 uint32_t range_id, uint32_t block_id,
215 				 struct r600_resource *bo,
216 				 enum radeon_bo_usage usage);
217 
218 void _r600_pipe_state_add_reg(struct r600_context *ctx,
219 			      struct r600_pipe_state *state,
220 			      uint32_t offset, uint32_t value,
221 			      uint32_t range_id, uint32_t block_id);
222 
223 void r600_pipe_state_add_reg_noblock(struct r600_pipe_state *state,
224 				     uint32_t offset, uint32_t value,
225 				     struct r600_resource *bo,
226 				     enum radeon_bo_usage usage);
227 
228 #define r600_pipe_state_add_reg_bo(state, offset, value, bo, usage) _r600_pipe_state_add_reg_bo(rctx, state, offset, value, CTX_RANGE_ID(offset), CTX_BLOCK_ID(offset), bo, usage)
229 #define r600_pipe_state_add_reg(state, offset, value) _r600_pipe_state_add_reg(rctx, state, offset, value, CTX_RANGE_ID(offset), CTX_BLOCK_ID(offset))
230 
r600_pipe_state_mod_reg(struct r600_pipe_state * state,uint32_t value)231 static inline void r600_pipe_state_mod_reg(struct r600_pipe_state *state,
232 					   uint32_t value)
233 {
234 	state->regs[state->nregs].value = value;
235 	state->nregs++;
236 }
237 
238 #endif
239