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      1 /**************************************************************************
      2  *
      3  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
      4  * All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the
      8  * "Software"), to deal in the Software without restriction, including
      9  * without limitation the rights to use, copy, modify, merge, publish,
     10  * distribute, sub license, and/or sell copies of the Software, and to
     11  * permit persons to whom the Software is furnished to do so, subject to
     12  * the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     15  * next paragraph) shall be included in all copies or substantial portions
     16  * of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
     22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  **************************************************************************/
     27 
     28 #define CMD_MI				(0x0 << 29)
     29 #define CMD_2D				(0x2 << 29)
     30 #define CMD_3D				(0x3 << 29)
     31 
     32 #define MI_NOOP				(CMD_MI | 0)
     33 
     34 #define MI_BATCH_BUFFER_END		(CMD_MI | 0xA << 23)
     35 
     36 #define MI_FLUSH			(CMD_MI | (4 << 23))
     37 #define FLUSH_MAP_CACHE				(1 << 0)
     38 #define INHIBIT_FLUSH_RENDER_CACHE		(1 << 2)
     39 
     40 #define MI_FLUSH_DW			(CMD_MI | (0x26 << 23) | 2)
     41 
     42 /* Stalls command execution waiting for the given events to have occurred. */
     43 #define MI_WAIT_FOR_EVENT               (CMD_MI | (0x3 << 23))
     44 #define MI_WAIT_FOR_PLANE_B_FLIP        (1<<6)
     45 #define MI_WAIT_FOR_PLANE_A_FLIP        (1<<2)
     46 
     47 #define MI_STORE_REGISTER_MEM		(CMD_MI | (0x24 << 23))
     48 # define MI_STORE_REGISTER_MEM_USE_GGTT		(1 << 22)
     49 
     50 /* p189 */
     51 #define _3DSTATE_LOAD_STATE_IMMEDIATE_1   (CMD_3D | (0x1d<<24) | (0x04<<16))
     52 #define I1_LOAD_S(n)                      (1<<(4+n))
     53 
     54 #define _3DSTATE_DRAWRECT_INFO		(CMD_3D | (0x1d<<24) | (0x80<<16) | 0x3)
     55 
     56 /** @{
     57  *
     58  * PIPE_CONTROL operation, a combination MI_FLUSH and register write with
     59  * additional flushing control.
     60  */
     61 #define _3DSTATE_PIPE_CONTROL		(CMD_3D | (3 << 27) | (2 << 24))
     62 #define PIPE_CONTROL_CS_STALL		(1 << 20)
     63 #define PIPE_CONTROL_GLOBAL_SNAPSHOT_COUNT_RESET	(1 << 19)
     64 #define PIPE_CONTROL_TLB_INVALIDATE	(1 << 18)
     65 #define PIPE_CONTROL_SYNC_GFDT		(1 << 17)
     66 #define PIPE_CONTROL_MEDIA_STATE_CLEAR	(1 << 16)
     67 #define PIPE_CONTROL_NO_WRITE		(0 << 14)
     68 #define PIPE_CONTROL_WRITE_IMMEDIATE	(1 << 14)
     69 #define PIPE_CONTROL_WRITE_DEPTH_COUNT	(2 << 14)
     70 #define PIPE_CONTROL_WRITE_TIMESTAMP	(3 << 14)
     71 #define PIPE_CONTROL_DEPTH_STALL	(1 << 13)
     72 #define PIPE_CONTROL_WRITE_FLUSH	(1 << 12)
     73 #define PIPE_CONTROL_INSTRUCTION_FLUSH	(1 << 11)
     74 #define PIPE_CONTROL_TC_FLUSH		(1 << 10) /* GM45+ only */
     75 #define PIPE_CONTROL_ISP_DIS		(1 << 9)
     76 #define PIPE_CONTROL_INTERRUPT_ENABLE	(1 << 8)
     77 /* GT */
     78 #define PIPE_CONTROL_VF_CACHE_INVALIDATE	(1 << 4)
     79 #define PIPE_CONTROL_CONST_CACHE_INVALIDATE	(1 << 3)
     80 #define PIPE_CONTROL_STATE_CACHE_INVALIDATE	(1 << 2)
     81 #define PIPE_CONTROL_STALL_AT_SCOREBOARD	(1 << 1)
     82 #define PIPE_CONTROL_DEPTH_CACHE_FLUSH		(1 << 0)
     83 #define PIPE_CONTROL_PPGTT_WRITE	(0 << 2)
     84 #define PIPE_CONTROL_GLOBAL_GTT_WRITE	(1 << 2)
     85 
     86 /** @} */
     87 
     88 /** @{
     89  * 915 definitions
     90  *
     91  * 915 documents say that bits 31:28 and 1 are "undefined, must be zero."
     92  */
     93 #define S0_VB_OFFSET_MASK		0x0ffffffc
     94 #define S0_AUTO_CACHE_INV_DISABLE	(1<<0)
     95 /** @} */
     96 
     97 /** @{
     98  * 830 definitions
     99  */
    100 #define S0_VB_OFFSET_MASK_830		0xffffff80
    101 #define S0_VB_PITCH_SHIFT_830		1
    102 #define S0_VB_ENABLE_830		(1<<0)
    103 /** @} */
    104 
    105 #define S1_VERTEX_WIDTH_SHIFT          24
    106 #define S1_VERTEX_WIDTH_MASK           (0x3f<<24)
    107 #define S1_VERTEX_PITCH_SHIFT          16
    108 #define S1_VERTEX_PITCH_MASK           (0x3f<<16)
    109 
    110 #define TEXCOORDFMT_2D                 0x0
    111 #define TEXCOORDFMT_3D                 0x1
    112 #define TEXCOORDFMT_4D                 0x2
    113 #define TEXCOORDFMT_1D                 0x3
    114 #define TEXCOORDFMT_2D_16              0x4
    115 #define TEXCOORDFMT_4D_16              0x5
    116 #define TEXCOORDFMT_NOT_PRESENT        0xf
    117 #define S2_TEXCOORD_FMT0_MASK            0xf
    118 #define S2_TEXCOORD_FMT1_SHIFT           4
    119 #define S2_TEXCOORD_FMT(unit, type)    ((type)<<(unit*4))
    120 #define S2_TEXCOORD_NONE               (~0)
    121 #define S2_TEX_COUNT_SHIFT_830		12
    122 #define S2_VERTEX_1_WIDTH_SHIFT_830	0
    123 #define S2_VERTEX_0_WIDTH_SHIFT_830	6
    124 /* S3 not interesting */
    125 
    126 #define S4_POINT_WIDTH_SHIFT           23
    127 #define S4_POINT_WIDTH_MASK            (0x1ff<<23)
    128 #define S4_LINE_WIDTH_SHIFT            19
    129 #define S4_LINE_WIDTH_ONE              (0x2<<19)
    130 #define S4_LINE_WIDTH_MASK             (0xf<<19)
    131 #define S4_FLATSHADE_ALPHA             (1<<18)
    132 #define S4_FLATSHADE_FOG               (1<<17)
    133 #define S4_FLATSHADE_SPECULAR          (1<<16)
    134 #define S4_FLATSHADE_COLOR             (1<<15)
    135 #define S4_CULLMODE_BOTH	       (0<<13)
    136 #define S4_CULLMODE_NONE	       (1<<13)
    137 #define S4_CULLMODE_CW		       (2<<13)
    138 #define S4_CULLMODE_CCW		       (3<<13)
    139 #define S4_CULLMODE_MASK	       (3<<13)
    140 #define S4_VFMT_POINT_WIDTH            (1<<12)
    141 #define S4_VFMT_SPEC_FOG               (1<<11)
    142 #define S4_VFMT_COLOR                  (1<<10)
    143 #define S4_VFMT_DEPTH_OFFSET           (1<<9)
    144 #define S4_VFMT_XYZ     	       (1<<6)
    145 #define S4_VFMT_XYZW     	       (2<<6)
    146 #define S4_VFMT_XY     		       (3<<6)
    147 #define S4_VFMT_XYW     	       (4<<6)
    148 #define S4_VFMT_XYZW_MASK              (7<<6)
    149 #define S4_FORCE_DEFAULT_DIFFUSE       (1<<5)
    150 #define S4_FORCE_DEFAULT_SPECULAR      (1<<4)
    151 #define S4_LOCAL_DEPTH_OFFSET_ENABLE   (1<<3)
    152 #define S4_VFMT_FOG_PARAM              (1<<2)
    153 #define S4_SPRITE_POINT_ENABLE         (1<<1)
    154 #define S4_LINE_ANTIALIAS_ENABLE       (1<<0)
    155 
    156 #define S4_VFMT_MASK (S4_VFMT_POINT_WIDTH   | 	\
    157 		      S4_VFMT_SPEC_FOG      |	\
    158 		      S4_VFMT_COLOR         |	\
    159 		      S4_VFMT_DEPTH_OFFSET  |	\
    160 		      S4_VFMT_XYZW_MASK     |	\
    161 		      S4_VFMT_FOG_PARAM)
    162 
    163 
    164 #define S5_WRITEDISABLE_ALPHA          (1<<31)
    165 #define S5_WRITEDISABLE_RED            (1<<30)
    166 #define S5_WRITEDISABLE_GREEN          (1<<29)
    167 #define S5_WRITEDISABLE_BLUE           (1<<28)
    168 #define S5_WRITEDISABLE_MASK           (0xf<<28)
    169 #define S5_FORCE_DEFAULT_POINT_SIZE    (1<<27)
    170 #define S5_LAST_PIXEL_ENABLE           (1<<26)
    171 #define S5_GLOBAL_DEPTH_OFFSET_ENABLE  (1<<25)
    172 #define S5_FOG_ENABLE                  (1<<24)
    173 #define S5_STENCIL_REF_SHIFT           16
    174 #define S5_STENCIL_REF_MASK            (0xff<<16)
    175 #define S5_STENCIL_TEST_FUNC_SHIFT     13
    176 #define S5_STENCIL_TEST_FUNC_MASK      (0x7<<13)
    177 #define S5_STENCIL_FAIL_SHIFT          10
    178 #define S5_STENCIL_FAIL_MASK           (0x7<<10)
    179 #define S5_STENCIL_PASS_Z_FAIL_SHIFT   7
    180 #define S5_STENCIL_PASS_Z_FAIL_MASK    (0x7<<7)
    181 #define S5_STENCIL_PASS_Z_PASS_SHIFT   4
    182 #define S5_STENCIL_PASS_Z_PASS_MASK    (0x7<<4)
    183 #define S5_STENCIL_WRITE_ENABLE        (1<<3)
    184 #define S5_STENCIL_TEST_ENABLE         (1<<2)
    185 #define S5_COLOR_DITHER_ENABLE         (1<<1)
    186 #define S5_LOGICOP_ENABLE              (1<<0)
    187 
    188 
    189 #define S6_ALPHA_TEST_ENABLE           (1<<31)
    190 #define S6_ALPHA_TEST_FUNC_SHIFT       28
    191 #define S6_ALPHA_TEST_FUNC_MASK        (0x7<<28)
    192 #define S6_ALPHA_REF_SHIFT             20
    193 #define S6_ALPHA_REF_MASK              (0xff<<20)
    194 #define S6_DEPTH_TEST_ENABLE           (1<<19)
    195 #define S6_DEPTH_TEST_FUNC_SHIFT       16
    196 #define S6_DEPTH_TEST_FUNC_MASK        (0x7<<16)
    197 #define S6_CBUF_BLEND_ENABLE           (1<<15)
    198 #define S6_CBUF_BLEND_FUNC_SHIFT       12
    199 #define S6_CBUF_BLEND_FUNC_MASK        (0x7<<12)
    200 #define S6_CBUF_SRC_BLEND_FACT_SHIFT   8
    201 #define S6_CBUF_SRC_BLEND_FACT_MASK    (0xf<<8)
    202 #define S6_CBUF_DST_BLEND_FACT_SHIFT   4
    203 #define S6_CBUF_DST_BLEND_FACT_MASK    (0xf<<4)
    204 #define S6_DEPTH_WRITE_ENABLE          (1<<3)
    205 #define S6_COLOR_WRITE_ENABLE          (1<<2)
    206 #define S6_TRISTRIP_PV_SHIFT           0
    207 #define S6_TRISTRIP_PV_MASK            (0x3<<0)
    208 
    209 #define S7_DEPTH_OFFSET_CONST_MASK     ~0
    210 
    211 /* p143 */
    212 #define _3DSTATE_BUF_INFO_CMD	(CMD_3D | (0x1d<<24) | (0x8e<<16) | 1)
    213 /* Dword 1 */
    214 #define BUF_3D_ID_COLOR_BACK	(0x3<<24)
    215 #define BUF_3D_ID_DEPTH 	(0x7<<24)
    216 #define BUF_3D_USE_FENCE	(1<<23)
    217 #define BUF_3D_TILED_SURFACE	(1<<22)
    218 #define BUF_3D_TILE_WALK_X	0
    219 #define BUF_3D_TILE_WALK_Y	(1<<21)
    220 #define BUF_3D_PITCH(x)         (((x)/4)<<2)
    221 /* Dword 2 */
    222 #define BUF_3D_ADDR(x)		((x) & ~0x3)
    223 
    224 /* Primitive dispatch on 830-945 */
    225 #define _3DPRIMITIVE			(CMD_3D | (0x1f << 24))
    226 #define PRIM_INDIRECT            (1<<23)
    227 #define PRIM_INLINE              (0<<23)
    228 #define PRIM_INDIRECT_SEQUENTIAL (0<<17)
    229 #define PRIM_INDIRECT_ELTS       (1<<17)
    230 
    231 #define PRIM3D_TRILIST		(0x0<<18)
    232 #define PRIM3D_TRISTRIP 	(0x1<<18)
    233 #define PRIM3D_TRISTRIP_RVRSE	(0x2<<18)
    234 #define PRIM3D_TRIFAN		(0x3<<18)
    235 #define PRIM3D_POLY		(0x4<<18)
    236 #define PRIM3D_LINELIST 	(0x5<<18)
    237 #define PRIM3D_LINESTRIP	(0x6<<18)
    238 #define PRIM3D_RECTLIST 	(0x7<<18)
    239 #define PRIM3D_POINTLIST	(0x8<<18)
    240 #define PRIM3D_DIB		(0x9<<18)
    241 #define PRIM3D_MASK		(0x1f<<18)
    242 
    243 #define XY_SETUP_BLT_CMD		(CMD_2D | (0x01 << 22) | 6)
    244 
    245 #define XY_COLOR_BLT_CMD		(CMD_2D | (0x50 << 22) | 4)
    246 
    247 #define XY_SRC_COPY_BLT_CMD             (CMD_2D | (0x53 << 22) | 6)
    248 
    249 #define XY_TEXT_IMMEDIATE_BLIT_CMD	(CMD_2D | (0x31 << 22))
    250 # define XY_TEXT_BYTE_PACKED		(1 << 16)
    251 
    252 /* BR00 */
    253 #define XY_BLT_WRITE_ALPHA	(1 << 21)
    254 #define XY_BLT_WRITE_RGB	(1 << 20)
    255 #define XY_SRC_TILED		(1 << 15)
    256 #define XY_DST_TILED		(1 << 11)
    257 
    258 /* BR13 */
    259 #define BR13_8			(0x0 << 24)
    260 #define BR13_565		(0x1 << 24)
    261 #define BR13_8888		(0x3 << 24)
    262 
    263 #define FENCE_LINEAR 0
    264 #define FENCE_XMAJOR 1
    265 #define FENCE_YMAJOR 2
    266 
    267 #define SO_NUM_PRIM_STORAGE_NEEDED	0x2280
    268 #define SO_PRIM_STORAGE_NEEDED0_IVB	0x5240
    269 #define SO_PRIM_STORAGE_NEEDED1_IVB	0x5248
    270 #define SO_PRIM_STORAGE_NEEDED2_IVB	0x5250
    271 #define SO_PRIM_STORAGE_NEEDED3_IVB	0x5258
    272 
    273 #define SO_NUM_PRIMS_WRITTEN		0x2288
    274 #define SO_NUM_PRIMS_WRITTEN0_IVB	0x5200
    275 #define SO_NUM_PRIMS_WRITTEN1_IVB	0x5208
    276 #define SO_NUM_PRIMS_WRITTEN2_IVB	0x5210
    277 #define SO_NUM_PRIMS_WRITTEN3_IVB	0x5218
    278 
    279 #define TIMESTAMP                       0x2358
    280