src/gallium/drivers/r300/r300_chipset.h

   1 /*
   2  * Copyright 2008 Corbin Simpson <MostAwesomeDude@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  * 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 R300_CHIPSET_H
  24 #define R300_CHIPSET_H
  25
  26 #include "pipe/p_compiler.h"
  27
  28 /* these are sizes in dwords */
  29 #define R300_HIZ_LIMIT 10240
  30 #define RV530_HIZ_LIMIT 15360
  31
  32 /* rv3xx have only one pipe */
  33 #define PIPE_ZMASK_SIZE 4096
  34 #define RV3xx_ZMASK_SIZE 5120
  35
  36 /* Structure containing all the possible information about a specific Radeon
  37  * in the R3xx, R4xx, and R5xx families. */
  38 struct r300_capabilities {
  39     /* PCI ID */
  40     uint32_t pci_id;
  41     /* Chipset family */
  42     int family;
  43     /* The number of vertex floating-point units */
  44     unsigned num_vert_fpus;
  45     /* The number of fragment pipes */
  46     unsigned num_frag_pipes;
  47     /* The number of z pipes */
  48     unsigned num_z_pipes;
  49     /* The number of texture units. */
  50     unsigned num_tex_units;
  51     /* Whether or not TCL is physically present */
  52     boolean has_tcl;
  53     /* Some chipsets do not have HiZ RAM - other have varying amounts . */
  54     int hiz_ram;
  55     /*  some chipsets have zmask ram per pipe some don't */
  56     int zmask_ram;
  57     /* Whether or not this is RV350 or newer, including all r400 and r500
  58      * chipsets. The differences compared to the oldest r300 chips are:
  59      * - Blend LTE/GTE thresholds
  60      * - Better MACRO_SWITCH in texture tiling
  61      * - Half float vertex
  62      * - More HyperZ optimizations */
  63     boolean is_rv350;
  64     /* Whether or not this is R400. The differences compared their rv350
  65      * cousins are:
  66      * - Extended fragment shader registers
  67      * - 3DC texture compression (RGTC2) */
  68     boolean is_r400;
  69     /* Whether or not this is an RV515 or newer; R500s have many differences
  70      * that require extra consideration, compared to their rv350 cousins:
  71      * - Extra bit of width and height on texture sizes
  72      * - Blend color is split across two registers
  73      * - Universal Shader (US) block used for fragment shaders
  74      * - FP16 blending and multisampling
  75      * - Full RGTC texture compression
  76      * - 24-bit depth textures
  77      * - Stencil back-face reference value
  78      * - Ability to render up to 2^24 - 1 vertices with signed index offset */
  79     boolean is_r500;
  80     /* Whether or not the second pixel pipe is accessed with the high bit */
  81     boolean high_second_pipe;
  82 };
  83
  84 /* Enumerations for legibility and telling which card we're running on. */
  85 enum {
  86     CHIP_FAMILY_R300 = 0,
  87     CHIP_FAMILY_R350,
  88     CHIP_FAMILY_R360,
  89     CHIP_FAMILY_RV350,
  90     CHIP_FAMILY_RV370,
  91     CHIP_FAMILY_RV380,
  92     CHIP_FAMILY_R420,
  93     CHIP_FAMILY_R423,
  94     CHIP_FAMILY_R430,
  95     CHIP_FAMILY_R480,
  96     CHIP_FAMILY_R481,
  97     CHIP_FAMILY_RV410,
  98     CHIP_FAMILY_RS400,
  99     CHIP_FAMILY_RC410,
 100     CHIP_FAMILY_RS480,
 101     CHIP_FAMILY_RS482,
 102     CHIP_FAMILY_RS600,
 103     CHIP_FAMILY_RS690,
 104     CHIP_FAMILY_RS740,
 105     CHIP_FAMILY_RV515,
 106     CHIP_FAMILY_R520,
 107     CHIP_FAMILY_RV530,
 108     CHIP_FAMILY_R580,
 109     CHIP_FAMILY_RV560,
 110     CHIP_FAMILY_RV570
 111 };
 112
 113 void r300_parse_chipset(struct r300_capabilities* caps);
 114
 115 #endif /* R300_CHIPSET_H */