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[mesa.git] / src / freedreno / ir2 / instr-a2xx.h
1 /*
2 * Copyright (c) 2012 Rob Clark <robdclark@gmail.com>
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * 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 NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24 #ifndef INSTR_A2XX_H_
25 #define INSTR_A2XX_H_
26
27 #define PACKED __attribute__((__packed__))
28
29 #include "util/u_math.h"
30 #include "adreno_common.xml.h"
31 #include "adreno_pm4.xml.h"
32 #include "a2xx.xml.h"
33
34
35 /*
36 * ALU instructions:
37 */
38
39 typedef enum {
40 ADDs = 0,
41 ADD_PREVs = 1,
42 MULs = 2,
43 MUL_PREVs = 3,
44 MUL_PREV2s = 4,
45 MAXs = 5,
46 MINs = 6,
47 SETEs = 7,
48 SETGTs = 8,
49 SETGTEs = 9,
50 SETNEs = 10,
51 FRACs = 11,
52 TRUNCs = 12,
53 FLOORs = 13,
54 EXP_IEEE = 14,
55 LOG_CLAMP = 15,
56 LOG_IEEE = 16,
57 RECIP_CLAMP = 17,
58 RECIP_FF = 18,
59 RECIP_IEEE = 19,
60 RECIPSQ_CLAMP = 20,
61 RECIPSQ_FF = 21,
62 RECIPSQ_IEEE = 22,
63 MOVAs = 23,
64 MOVA_FLOORs = 24,
65 SUBs = 25,
66 SUB_PREVs = 26,
67 PRED_SETEs = 27,
68 PRED_SETNEs = 28,
69 PRED_SETGTs = 29,
70 PRED_SETGTEs = 30,
71 PRED_SET_INVs = 31,
72 PRED_SET_POPs = 32,
73 PRED_SET_CLRs = 33,
74 PRED_SET_RESTOREs = 34,
75 KILLEs = 35,
76 KILLGTs = 36,
77 KILLGTEs = 37,
78 KILLNEs = 38,
79 KILLONEs = 39,
80 SQRT_IEEE = 40,
81 MUL_CONST_0 = 42,
82 MUL_CONST_1 = 43,
83 ADD_CONST_0 = 44,
84 ADD_CONST_1 = 45,
85 SUB_CONST_0 = 46,
86 SUB_CONST_1 = 47,
87 SIN = 48,
88 COS = 49,
89 RETAIN_PREV = 50,
90 SCALAR_NONE = 63,
91 } instr_scalar_opc_t;
92
93 typedef enum {
94 ADDv = 0,
95 MULv = 1,
96 MAXv = 2,
97 MINv = 3,
98 SETEv = 4,
99 SETGTv = 5,
100 SETGTEv = 6,
101 SETNEv = 7,
102 FRACv = 8,
103 TRUNCv = 9,
104 FLOORv = 10,
105 MULADDv = 11,
106 CNDEv = 12,
107 CNDGTEv = 13,
108 CNDGTv = 14,
109 DOT4v = 15,
110 DOT3v = 16,
111 DOT2ADDv = 17,
112 CUBEv = 18,
113 MAX4v = 19,
114 PRED_SETE_PUSHv = 20,
115 PRED_SETNE_PUSHv = 21,
116 PRED_SETGT_PUSHv = 22,
117 PRED_SETGTE_PUSHv = 23,
118 KILLEv = 24,
119 KILLGTv = 25,
120 KILLGTEv = 26,
121 KILLNEv = 27,
122 DSTv = 28,
123 MOVAv = 29,
124 VECTOR_NONE = 31,
125 } instr_vector_opc_t;
126
127 typedef struct PACKED {
128 /* dword0: */
129 uint8_t vector_dest : 6;
130 uint8_t vector_dest_rel : 1;
131 uint8_t low_precision_16b_fp : 1;
132 uint8_t scalar_dest : 6;
133 uint8_t scalar_dest_rel : 1;
134 uint8_t export_data : 1;
135 uint8_t vector_write_mask : 4;
136 uint8_t scalar_write_mask : 4;
137 uint8_t vector_clamp : 1;
138 uint8_t scalar_clamp : 1;
139 instr_scalar_opc_t scalar_opc : 6;
140 /* dword1: */
141 uint8_t src3_swiz : 8;
142 uint8_t src2_swiz : 8;
143 uint8_t src1_swiz : 8;
144 uint8_t src3_reg_negate : 1;
145 uint8_t src2_reg_negate : 1;
146 uint8_t src1_reg_negate : 1;
147 uint8_t pred_select : 2;
148 uint8_t relative_addr : 1;
149 uint8_t const_1_rel_abs : 1;
150 uint8_t const_0_rel_abs : 1;
151 /* dword2: */
152 union {
153 struct {
154 uint8_t src3_reg : 6;
155 uint8_t src3_reg_select : 1;
156 uint8_t src3_reg_abs : 1;
157 uint8_t src2_reg : 6;
158 uint8_t src2_reg_select : 1;
159 uint8_t src2_reg_abs : 1;
160 uint8_t src1_reg : 6;
161 uint8_t src1_reg_select : 1;
162 uint8_t src1_reg_abs : 1;
163 };
164 /* constants have full 8-bit index */
165 struct {
166 uint8_t src3_reg_byte : 8;
167 uint8_t src2_reg_byte : 8;
168 uint8_t src1_reg_byte : 8;
169 };
170 };
171 instr_vector_opc_t vector_opc : 5;
172 uint8_t src3_sel : 1;
173 uint8_t src2_sel : 1;
174 uint8_t src1_sel : 1;
175 } instr_alu_t;
176
177
178
179 /*
180 * CF instructions:
181 */
182
183 typedef enum {
184 NOP = 0,
185 EXEC = 1,
186 EXEC_END = 2,
187 COND_EXEC = 3,
188 COND_EXEC_END = 4,
189 COND_PRED_EXEC = 5,
190 COND_PRED_EXEC_END = 6,
191 LOOP_START = 7,
192 LOOP_END = 8,
193 COND_CALL = 9,
194 RETURN = 10,
195 COND_JMP = 11,
196 ALLOC = 12,
197 COND_EXEC_PRED_CLEAN = 13,
198 COND_EXEC_PRED_CLEAN_END = 14,
199 MARK_VS_FETCH_DONE = 15,
200 } instr_cf_opc_t;
201
202 typedef enum {
203 RELATIVE_ADDR = 0,
204 ABSOLUTE_ADDR = 1,
205 } instr_addr_mode_t;
206
207 typedef enum {
208 SQ_NO_ALLOC = 0,
209 SQ_POSITION = 1,
210 SQ_PARAMETER_PIXEL = 2,
211 SQ_MEMORY = 3,
212 } instr_alloc_type_t;
213
214 typedef struct PACKED {
215 uint16_t address : 9;
216 uint8_t reserved0 : 3;
217 uint8_t count : 3;
218 uint8_t yeild : 1;
219 uint16_t serialize : 12;
220 uint8_t vc : 6; /* vertex cache? */
221 uint8_t bool_addr : 8;
222 uint8_t condition : 1;
223 instr_addr_mode_t address_mode : 1;
224 instr_cf_opc_t opc : 4;
225 } instr_cf_exec_t;
226
227 typedef struct PACKED {
228 uint16_t address : 10;
229 uint8_t reserved0 : 6;
230 uint8_t loop_id : 5;
231 uint32_t reserved1 : 22;
232 instr_addr_mode_t address_mode : 1;
233 instr_cf_opc_t opc : 4;
234 } instr_cf_loop_t;
235
236 typedef struct PACKED {
237 uint16_t address : 10;
238 uint8_t reserved0 : 3;
239 uint8_t force_call : 1;
240 uint8_t predicated_jmp : 1;
241 uint32_t reserved1 : 18;
242 uint8_t direction : 1;
243 uint8_t bool_addr : 8;
244 uint8_t condition : 1;
245 instr_addr_mode_t address_mode : 1;
246 instr_cf_opc_t opc : 4;
247 } instr_cf_jmp_call_t;
248
249 typedef struct PACKED {
250 uint8_t size : 4;
251 uint64_t reserved0 : 36;
252 uint8_t no_serial : 1;
253 instr_alloc_type_t buffer_select : 2;
254 uint8_t alloc_mode : 1;
255 instr_cf_opc_t opc : 4;
256 } instr_cf_alloc_t;
257
258 typedef union PACKED {
259 instr_cf_exec_t exec;
260 instr_cf_loop_t loop;
261 instr_cf_jmp_call_t jmp_call;
262 instr_cf_alloc_t alloc;
263 struct PACKED {
264 uint64_t dummy : 44;
265 instr_cf_opc_t opc : 4;
266 };
267 } instr_cf_t;
268
269
270
271 /*
272 * FETCH instructions:
273 */
274
275 typedef enum {
276 VTX_FETCH = 0,
277 TEX_FETCH = 1,
278 TEX_GET_BORDER_COLOR_FRAC = 16,
279 TEX_GET_COMP_TEX_LOD = 17,
280 TEX_GET_GRADIENTS = 18,
281 TEX_GET_WEIGHTS = 19,
282 TEX_SET_TEX_LOD = 24,
283 TEX_SET_GRADIENTS_H = 25,
284 TEX_SET_GRADIENTS_V = 26,
285 TEX_RESERVED_4 = 27,
286 } instr_fetch_opc_t;
287
288 typedef enum {
289 TEX_FILTER_POINT = 0,
290 TEX_FILTER_LINEAR = 1,
291 TEX_FILTER_BASEMAP = 2, /* only applicable for mip-filter */
292 TEX_FILTER_USE_FETCH_CONST = 3,
293 } instr_tex_filter_t;
294
295 typedef enum {
296 ANISO_FILTER_DISABLED = 0,
297 ANISO_FILTER_MAX_1_1 = 1,
298 ANISO_FILTER_MAX_2_1 = 2,
299 ANISO_FILTER_MAX_4_1 = 3,
300 ANISO_FILTER_MAX_8_1 = 4,
301 ANISO_FILTER_MAX_16_1 = 5,
302 ANISO_FILTER_USE_FETCH_CONST = 7,
303 } instr_aniso_filter_t;
304
305 typedef enum {
306 ARBITRARY_FILTER_2X4_SYM = 0,
307 ARBITRARY_FILTER_2X4_ASYM = 1,
308 ARBITRARY_FILTER_4X2_SYM = 2,
309 ARBITRARY_FILTER_4X2_ASYM = 3,
310 ARBITRARY_FILTER_4X4_SYM = 4,
311 ARBITRARY_FILTER_4X4_ASYM = 5,
312 ARBITRARY_FILTER_USE_FETCH_CONST = 7,
313 } instr_arbitrary_filter_t;
314
315 typedef enum {
316 SAMPLE_CENTROID = 0,
317 SAMPLE_CENTER = 1,
318 } instr_sample_loc_t;
319
320 typedef enum a2xx_sq_surfaceformat instr_surf_fmt_t;
321
322 typedef struct PACKED {
323 /* dword0: */
324 instr_fetch_opc_t opc : 5;
325 uint8_t src_reg : 6;
326 uint8_t src_reg_am : 1;
327 uint8_t dst_reg : 6;
328 uint8_t dst_reg_am : 1;
329 uint8_t fetch_valid_only : 1;
330 uint8_t const_idx : 5;
331 uint8_t tx_coord_denorm : 1;
332 uint8_t src_swiz : 6;
333 /* dword1: */
334 uint16_t dst_swiz : 12;
335 instr_tex_filter_t mag_filter : 2;
336 instr_tex_filter_t min_filter : 2;
337 instr_tex_filter_t mip_filter : 2;
338 instr_aniso_filter_t aniso_filter : 3;
339 instr_arbitrary_filter_t arbitrary_filter : 3;
340 instr_tex_filter_t vol_mag_filter : 2;
341 instr_tex_filter_t vol_min_filter : 2;
342 uint8_t use_comp_lod : 1;
343 uint8_t use_reg_lod : 2; /* 0 for cube, 1 for 2d */
344 uint8_t pred_select : 1;
345 /* dword2: */
346 uint8_t use_reg_gradients : 1;
347 instr_sample_loc_t sample_location : 1;
348 uint8_t lod_bias : 7;
349 uint8_t unused : 7;
350 uint8_t offset_x : 5;
351 uint8_t offset_y : 5;
352 uint8_t offset_z : 5;
353 uint8_t pred_condition : 1;
354 } instr_fetch_tex_t;
355
356 typedef struct PACKED {
357 /* dword0: */
358 instr_fetch_opc_t opc : 5;
359 uint8_t src_reg : 6;
360 uint8_t src_reg_am : 1;
361 uint8_t dst_reg : 6;
362 uint8_t dst_reg_am : 1;
363 uint8_t must_be_one : 1;
364 uint8_t const_index : 5;
365 uint8_t const_index_sel : 2;
366 uint8_t reserved0 : 3;
367 uint8_t src_swiz : 2;
368 /* dword1: */
369 uint16_t dst_swiz : 12;
370 uint8_t format_comp_all : 1; /* '1' for signed, '0' for unsigned? */
371 uint8_t num_format_all : 1; /* '0' for normalized, '1' for unnormalized */
372 uint8_t signed_rf_mode_all : 1;
373 uint8_t reserved1 : 1;
374 instr_surf_fmt_t format : 6;
375 uint8_t reserved2 : 2;
376 uint8_t exp_adjust_all : 6;
377 uint8_t reserved3 : 1;
378 uint8_t pred_select : 1;
379 /* dword2: */
380 uint8_t stride : 8;
381 uint32_t offset : 22;
382 uint8_t reserved4 : 1;
383 uint8_t pred_condition : 1;
384 } instr_fetch_vtx_t;
385
386 typedef union PACKED {
387 instr_fetch_tex_t tex;
388 instr_fetch_vtx_t vtx;
389 struct PACKED {
390 /* dword0: */
391 instr_fetch_opc_t opc : 5;
392 uint32_t dummy0 : 27;
393 /* dword1: */
394 uint32_t dummy1 : 31;
395 uint8_t pred_select : 1;
396 /* dword2: */
397 uint32_t dummy2 : 31;
398 uint8_t pred_condition : 1;
399 };
400 } instr_fetch_t;
401
402 typedef union PACKED {
403 instr_alu_t alu;
404 instr_fetch_t fetch;
405 } instr_t;
406
407 #endif /* INSTR_H_ */