src/gallium/drivers/r600/r600_asm.h

   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 #ifndef R600_ASM_H
  24 #define R600_ASM_H
  25
  26 #include "util/u_double_list.h"
  27
  28 #define NUM_OF_CYCLES 3
  29 #define NUM_OF_COMPONENTS 4
  30
  31 struct r600_bc_alu_src {
  32         unsigned                        sel;
  33         unsigned                        chan;
  34         unsigned                        neg;
  35         unsigned                        abs;
  36         unsigned                        rel;
  37 };
  38
  39 struct r600_bc_alu_dst {
  40         unsigned                        sel;
  41         unsigned                        chan;
  42         unsigned                        clamp;
  43         unsigned                        write;
  44         unsigned                        rel;
  45 };
  46
  47 struct r600_bc_alu {
  48         struct list_head                list;
  49         struct list_head                bs_list; /* bank swizzle list */
  50         struct r600_bc_alu_src          src[3];
  51         struct r600_bc_alu_dst          dst;
  52         unsigned                        inst;
  53         unsigned                        last;
  54         unsigned                        is_op3;
  55         unsigned                        predicate;
  56         unsigned                        nliteral;
  57         unsigned                        literal_added;
  58         unsigned                        bank_swizzle;
  59         unsigned                        bank_swizzle_force;
  60         u32                             value[4];
  61         int hw_gpr[NUM_OF_CYCLES][NUM_OF_COMPONENTS];
  62 };
  63
  64 struct r600_bc_tex {
  65         struct list_head                list;
  66         unsigned                        inst;
  67         unsigned                        resource_id;
  68         unsigned                        src_gpr;
  69         unsigned                        src_rel;
  70         unsigned                        dst_gpr;
  71         unsigned                        dst_rel;
  72         unsigned                        dst_sel_x;
  73         unsigned                        dst_sel_y;
  74         unsigned                        dst_sel_z;
  75         unsigned                        dst_sel_w;
  76         unsigned                        lod_bias;
  77         unsigned                        coord_type_x;
  78         unsigned                        coord_type_y;
  79         unsigned                        coord_type_z;
  80         unsigned                        coord_type_w;
  81         unsigned                        offset_x;
  82         unsigned                        offset_y;
  83         unsigned                        offset_z;
  84         unsigned                        sampler_id;
  85         unsigned                        src_sel_x;
  86         unsigned                        src_sel_y;
  87         unsigned                        src_sel_z;
  88         unsigned                        src_sel_w;
  89 };
  90
  91 struct r600_bc_vtx {
  92         struct list_head                list;
  93         unsigned                        inst;
  94         unsigned                        fetch_type;
  95         unsigned                        buffer_id;
  96         unsigned                        src_gpr;
  97         unsigned                        src_sel_x;
  98         unsigned                        mega_fetch_count;
  99         unsigned                        dst_gpr;
 100         unsigned                        dst_sel_x;
 101         unsigned                        dst_sel_y;
 102         unsigned                        dst_sel_z;
 103         unsigned                        dst_sel_w;
 104 };
 105
 106 struct r600_bc_output {
 107         unsigned                        array_base;
 108         unsigned                        type;
 109         unsigned                        end_of_program;
 110         unsigned                        inst;
 111         unsigned                        elem_size;
 112         unsigned                        gpr;
 113         unsigned                        swizzle_x;
 114         unsigned                        swizzle_y;
 115         unsigned                        swizzle_z;
 116         unsigned                        swizzle_w;
 117         unsigned                        barrier;
 118 };
 119
 120 struct r600_bc_cf {
 121         struct list_head                list;
 122         unsigned                        inst;
 123         unsigned                        addr;
 124         unsigned                        ndw;
 125         unsigned                        id;
 126         unsigned                        cond;
 127         unsigned                        pop_count;
 128         unsigned                        cf_addr; /* control flow addr */
 129         unsigned                        kcache0_mode;
 130         unsigned                        r6xx_uses_waterfall;
 131         struct list_head                alu;
 132         struct list_head                tex;
 133         struct list_head                vtx;
 134         struct r600_bc_output           output;
 135         struct r600_bc_alu              *curr_bs_head;
 136 };
 137
 138 #define FC_NONE 0
 139 #define FC_IF 1
 140 #define FC_LOOP 2
 141 #define FC_REP 3
 142 #define FC_PUSH_VPM 4
 143 #define FC_PUSH_WQM 5
 144
 145 struct r600_cf_stack_entry {
 146         int                             type;
 147         struct r600_bc_cf               *start;
 148         struct r600_bc_cf               **mid; /* used to store the else point */
 149         int                             num_mid;
 150 };
 151
 152 #define SQ_MAX_CALL_DEPTH 0x00000020
 153 struct r600_cf_callstack {
 154         unsigned                        fc_sp_before_entry;
 155         int                             sub_desc_index;
 156         int                             current;
 157         int                             max;
 158 };
 159
 160 struct r600_bc {
 161         enum radeon_family              family;
 162         int                             chiprev; /* 0 - r600, 1 - r700, 2 - evergreen */
 163         unsigned                        use_mem_constant;
 164         struct list_head                cf;
 165         struct r600_bc_cf               *cf_last;
 166         unsigned                        ndw;
 167         unsigned                        ncf;
 168         unsigned                        ngpr;
 169         unsigned                        nstack;
 170         unsigned                        nresource;
 171         unsigned                        force_add_cf;
 172         u32                             *bytecode;
 173         u32                             fc_sp;
 174         struct r600_cf_stack_entry      fc_stack[32];
 175         unsigned                        call_sp;
 176         struct r600_cf_callstack        callstack[SQ_MAX_CALL_DEPTH];
 177 };
 178
 179 int r600_bc_init(struct r600_bc *bc, enum radeon_family family);
 180 int r600_bc_add_alu(struct r600_bc *bc, const struct r600_bc_alu *alu);
 181 int r600_bc_add_literal(struct r600_bc *bc, const u32 *value);
 182 int r600_bc_add_vtx(struct r600_bc *bc, const struct r600_bc_vtx *vtx);
 183 int r600_bc_add_tex(struct r600_bc *bc, const struct r600_bc_tex *tex);
 184 int r600_bc_add_output(struct r600_bc *bc, const struct r600_bc_output *output);
 185 int r600_bc_build(struct r600_bc *bc);
 186 int r600_bc_add_cfinst(struct r600_bc *bc, int inst);
 187 int r600_bc_add_alu_type(struct r600_bc *bc, const struct r600_bc_alu *alu, int type);
 188
 189 #endif