Home | History | Annotate | Download | only in drm
      1 /* radeon_drm.h -- Public header for the radeon driver -*- linux-c -*-
      2  *
      3  * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
      4  * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
      5  * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.
      6  * All rights reserved.
      7  *
      8  * Permission is hereby granted, free of charge, to any person obtaining a
      9  * copy of this software and associated documentation files (the "Software"),
     10  * to deal in the Software without restriction, including without limitation
     11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     12  * and/or sell copies of the Software, and to permit persons to whom the
     13  * Software is furnished to do so, subject to the following conditions:
     14  *
     15  * The above copyright notice and this permission notice (including the next
     16  * paragraph) shall be included in all copies or substantial portions of the
     17  * Software.
     18  *
     19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     22  * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
     23  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     24  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     25  * DEALINGS IN THE SOFTWARE.
     26  *
     27  * Authors:
     28  *    Kevin E. Martin <martin (at) valinux.com>
     29  *    Gareth Hughes <gareth (at) valinux.com>
     30  *    Keith Whitwell <keith (at) tungstengraphics.com>
     31  */
     32 
     33 #ifndef __RADEON_DRM_H__
     34 #define __RADEON_DRM_H__
     35 
     36 #include "drm.h"
     37 
     38 /* WARNING: If you change any of these defines, make sure to change the
     39  * defines in the X server file (radeon_sarea.h)
     40  */
     41 #ifndef __RADEON_SAREA_DEFINES__
     42 #define __RADEON_SAREA_DEFINES__
     43 
     44 /* Old style state flags, required for sarea interface (1.1 and 1.2
     45  * clears) and 1.2 drm_vertex2 ioctl.
     46  */
     47 #define RADEON_UPLOAD_CONTEXT		0x00000001
     48 #define RADEON_UPLOAD_VERTFMT		0x00000002
     49 #define RADEON_UPLOAD_LINE		0x00000004
     50 #define RADEON_UPLOAD_BUMPMAP		0x00000008
     51 #define RADEON_UPLOAD_MASKS		0x00000010
     52 #define RADEON_UPLOAD_VIEWPORT		0x00000020
     53 #define RADEON_UPLOAD_SETUP		0x00000040
     54 #define RADEON_UPLOAD_TCL		0x00000080
     55 #define RADEON_UPLOAD_MISC		0x00000100
     56 #define RADEON_UPLOAD_TEX0		0x00000200
     57 #define RADEON_UPLOAD_TEX1		0x00000400
     58 #define RADEON_UPLOAD_TEX2		0x00000800
     59 #define RADEON_UPLOAD_TEX0IMAGES	0x00001000
     60 #define RADEON_UPLOAD_TEX1IMAGES	0x00002000
     61 #define RADEON_UPLOAD_TEX2IMAGES	0x00004000
     62 #define RADEON_UPLOAD_CLIPRECTS		0x00008000	/* handled client-side */
     63 #define RADEON_REQUIRE_QUIESCENCE	0x00010000
     64 #define RADEON_UPLOAD_ZBIAS		0x00020000	/* version 1.2 and newer */
     65 #define RADEON_UPLOAD_ALL		0x003effff
     66 #define RADEON_UPLOAD_CONTEXT_ALL       0x003e01ff
     67 
     68 /* New style per-packet identifiers for use in cmd_buffer ioctl with
     69  * the RADEON_EMIT_PACKET command.  Comments relate new packets to old
     70  * state bits and the packet size:
     71  */
     72 #define RADEON_EMIT_PP_MISC                         0	/* context/7 */
     73 #define RADEON_EMIT_PP_CNTL                         1	/* context/3 */
     74 #define RADEON_EMIT_RB3D_COLORPITCH                 2	/* context/1 */
     75 #define RADEON_EMIT_RE_LINE_PATTERN                 3	/* line/2 */
     76 #define RADEON_EMIT_SE_LINE_WIDTH                   4	/* line/1 */
     77 #define RADEON_EMIT_PP_LUM_MATRIX                   5	/* bumpmap/1 */
     78 #define RADEON_EMIT_PP_ROT_MATRIX_0                 6	/* bumpmap/2 */
     79 #define RADEON_EMIT_RB3D_STENCILREFMASK             7	/* masks/3 */
     80 #define RADEON_EMIT_SE_VPORT_XSCALE                 8	/* viewport/6 */
     81 #define RADEON_EMIT_SE_CNTL                         9	/* setup/2 */
     82 #define RADEON_EMIT_SE_CNTL_STATUS                  10	/* setup/1 */
     83 #define RADEON_EMIT_RE_MISC                         11	/* misc/1 */
     84 #define RADEON_EMIT_PP_TXFILTER_0                   12	/* tex0/6 */
     85 #define RADEON_EMIT_PP_BORDER_COLOR_0               13	/* tex0/1 */
     86 #define RADEON_EMIT_PP_TXFILTER_1                   14	/* tex1/6 */
     87 #define RADEON_EMIT_PP_BORDER_COLOR_1               15	/* tex1/1 */
     88 #define RADEON_EMIT_PP_TXFILTER_2                   16	/* tex2/6 */
     89 #define RADEON_EMIT_PP_BORDER_COLOR_2               17	/* tex2/1 */
     90 #define RADEON_EMIT_SE_ZBIAS_FACTOR                 18	/* zbias/2 */
     91 #define RADEON_EMIT_SE_TCL_OUTPUT_VTX_FMT           19	/* tcl/11 */
     92 #define RADEON_EMIT_SE_TCL_MATERIAL_EMMISSIVE_RED   20	/* material/17 */
     93 #define R200_EMIT_PP_TXCBLEND_0                     21	/* tex0/4 */
     94 #define R200_EMIT_PP_TXCBLEND_1                     22	/* tex1/4 */
     95 #define R200_EMIT_PP_TXCBLEND_2                     23	/* tex2/4 */
     96 #define R200_EMIT_PP_TXCBLEND_3                     24	/* tex3/4 */
     97 #define R200_EMIT_PP_TXCBLEND_4                     25	/* tex4/4 */
     98 #define R200_EMIT_PP_TXCBLEND_5                     26	/* tex5/4 */
     99 #define R200_EMIT_PP_TXCBLEND_6                     27	/* /4 */
    100 #define R200_EMIT_PP_TXCBLEND_7                     28	/* /4 */
    101 #define R200_EMIT_TCL_LIGHT_MODEL_CTL_0             29	/* tcl/7 */
    102 #define R200_EMIT_TFACTOR_0                         30	/* tf/7 */
    103 #define R200_EMIT_VTX_FMT_0                         31	/* vtx/5 */
    104 #define R200_EMIT_VAP_CTL                           32	/* vap/1 */
    105 #define R200_EMIT_MATRIX_SELECT_0                   33	/* msl/5 */
    106 #define R200_EMIT_TEX_PROC_CTL_2                    34	/* tcg/5 */
    107 #define R200_EMIT_TCL_UCP_VERT_BLEND_CTL            35	/* tcl/1 */
    108 #define R200_EMIT_PP_TXFILTER_0                     36	/* tex0/6 */
    109 #define R200_EMIT_PP_TXFILTER_1                     37	/* tex1/6 */
    110 #define R200_EMIT_PP_TXFILTER_2                     38	/* tex2/6 */
    111 #define R200_EMIT_PP_TXFILTER_3                     39	/* tex3/6 */
    112 #define R200_EMIT_PP_TXFILTER_4                     40	/* tex4/6 */
    113 #define R200_EMIT_PP_TXFILTER_5                     41	/* tex5/6 */
    114 #define R200_EMIT_PP_TXOFFSET_0                     42	/* tex0/1 */
    115 #define R200_EMIT_PP_TXOFFSET_1                     43	/* tex1/1 */
    116 #define R200_EMIT_PP_TXOFFSET_2                     44	/* tex2/1 */
    117 #define R200_EMIT_PP_TXOFFSET_3                     45	/* tex3/1 */
    118 #define R200_EMIT_PP_TXOFFSET_4                     46	/* tex4/1 */
    119 #define R200_EMIT_PP_TXOFFSET_5                     47	/* tex5/1 */
    120 #define R200_EMIT_VTE_CNTL                          48	/* vte/1 */
    121 #define R200_EMIT_OUTPUT_VTX_COMP_SEL               49	/* vtx/1 */
    122 #define R200_EMIT_PP_TAM_DEBUG3                     50	/* tam/1 */
    123 #define R200_EMIT_PP_CNTL_X                         51	/* cst/1 */
    124 #define R200_EMIT_RB3D_DEPTHXY_OFFSET               52	/* cst/1 */
    125 #define R200_EMIT_RE_AUX_SCISSOR_CNTL               53	/* cst/1 */
    126 #define R200_EMIT_RE_SCISSOR_TL_0                   54	/* cst/2 */
    127 #define R200_EMIT_RE_SCISSOR_TL_1                   55	/* cst/2 */
    128 #define R200_EMIT_RE_SCISSOR_TL_2                   56	/* cst/2 */
    129 #define R200_EMIT_SE_VAP_CNTL_STATUS                57	/* cst/1 */
    130 #define R200_EMIT_SE_VTX_STATE_CNTL                 58	/* cst/1 */
    131 #define R200_EMIT_RE_POINTSIZE                      59	/* cst/1 */
    132 #define R200_EMIT_TCL_INPUT_VTX_VECTOR_ADDR_0       60	/* cst/4 */
    133 #define R200_EMIT_PP_CUBIC_FACES_0                  61
    134 #define R200_EMIT_PP_CUBIC_OFFSETS_0                62
    135 #define R200_EMIT_PP_CUBIC_FACES_1                  63
    136 #define R200_EMIT_PP_CUBIC_OFFSETS_1                64
    137 #define R200_EMIT_PP_CUBIC_FACES_2                  65
    138 #define R200_EMIT_PP_CUBIC_OFFSETS_2                66
    139 #define R200_EMIT_PP_CUBIC_FACES_3                  67
    140 #define R200_EMIT_PP_CUBIC_OFFSETS_3                68
    141 #define R200_EMIT_PP_CUBIC_FACES_4                  69
    142 #define R200_EMIT_PP_CUBIC_OFFSETS_4                70
    143 #define R200_EMIT_PP_CUBIC_FACES_5                  71
    144 #define R200_EMIT_PP_CUBIC_OFFSETS_5                72
    145 #define RADEON_EMIT_PP_TEX_SIZE_0                   73
    146 #define RADEON_EMIT_PP_TEX_SIZE_1                   74
    147 #define RADEON_EMIT_PP_TEX_SIZE_2                   75
    148 #define R200_EMIT_RB3D_BLENDCOLOR                   76
    149 #define R200_EMIT_TCL_POINT_SPRITE_CNTL             77
    150 #define RADEON_EMIT_PP_CUBIC_FACES_0                78
    151 #define RADEON_EMIT_PP_CUBIC_OFFSETS_T0             79
    152 #define RADEON_EMIT_PP_CUBIC_FACES_1                80
    153 #define RADEON_EMIT_PP_CUBIC_OFFSETS_T1             81
    154 #define RADEON_EMIT_PP_CUBIC_FACES_2                82
    155 #define RADEON_EMIT_PP_CUBIC_OFFSETS_T2             83
    156 #define R200_EMIT_PP_TRI_PERF_CNTL                  84
    157 #define R200_EMIT_PP_AFS_0                          85
    158 #define R200_EMIT_PP_AFS_1                          86
    159 #define R200_EMIT_ATF_TFACTOR                       87
    160 #define R200_EMIT_PP_TXCTLALL_0                     88
    161 #define R200_EMIT_PP_TXCTLALL_1                     89
    162 #define R200_EMIT_PP_TXCTLALL_2                     90
    163 #define R200_EMIT_PP_TXCTLALL_3                     91
    164 #define R200_EMIT_PP_TXCTLALL_4                     92
    165 #define R200_EMIT_PP_TXCTLALL_5                     93
    166 #define R200_EMIT_VAP_PVS_CNTL                      94
    167 #define RADEON_MAX_STATE_PACKETS                    95
    168 
    169 /* Commands understood by cmd_buffer ioctl.  More can be added but
    170  * obviously these can't be removed or changed:
    171  */
    172 #define RADEON_CMD_PACKET      1	/* emit one of the register packets above */
    173 #define RADEON_CMD_SCALARS     2	/* emit scalar data */
    174 #define RADEON_CMD_VECTORS     3	/* emit vector data */
    175 #define RADEON_CMD_DMA_DISCARD 4	/* discard current dma buf */
    176 #define RADEON_CMD_PACKET3     5	/* emit hw packet */
    177 #define RADEON_CMD_PACKET3_CLIP 6	/* emit hw packet wrapped in cliprects */
    178 #define RADEON_CMD_SCALARS2     7	/* r200 stopgap */
    179 #define RADEON_CMD_WAIT         8	/* emit hw wait commands -- note:
    180 					 *  doesn't make the cpu wait, just
    181 					 *  the graphics hardware */
    182 #define RADEON_CMD_VECLINEAR	9       /* another r200 stopgap */
    183 
    184 typedef union {
    185 	int i;
    186 	struct {
    187 		unsigned char cmd_type, pad0, pad1, pad2;
    188 	} header;
    189 	struct {
    190 		unsigned char cmd_type, packet_id, pad0, pad1;
    191 	} packet;
    192 	struct {
    193 		unsigned char cmd_type, offset, stride, count;
    194 	} scalars;
    195 	struct {
    196 		unsigned char cmd_type, offset, stride, count;
    197 	} vectors;
    198 	struct {
    199 		unsigned char cmd_type, addr_lo, addr_hi, count;
    200 	} veclinear;
    201 	struct {
    202 		unsigned char cmd_type, buf_idx, pad0, pad1;
    203 	} dma;
    204 	struct {
    205 		unsigned char cmd_type, flags, pad0, pad1;
    206 	} wait;
    207 } drm_radeon_cmd_header_t;
    208 
    209 #define RADEON_WAIT_2D  0x1
    210 #define RADEON_WAIT_3D  0x2
    211 
    212 /* Allowed parameters for R300_CMD_PACKET3
    213  */
    214 #define R300_CMD_PACKET3_CLEAR		0
    215 #define R300_CMD_PACKET3_RAW		1
    216 
    217 /* Commands understood by cmd_buffer ioctl for R300.
    218  * The interface has not been stabilized, so some of these may be removed
    219  * and eventually reordered before stabilization.
    220  */
    221 #define R300_CMD_PACKET0		1
    222 #define R300_CMD_VPU			2	/* emit vertex program upload */
    223 #define R300_CMD_PACKET3		3	/* emit a packet3 */
    224 #define R300_CMD_END3D			4	/* emit sequence ending 3d rendering */
    225 #define R300_CMD_CP_DELAY		5
    226 #define R300_CMD_DMA_DISCARD		6
    227 #define R300_CMD_WAIT			7
    228 #	define R300_WAIT_2D		0x1
    229 #	define R300_WAIT_3D		0x2
    230 /* these two defines are DOING IT WRONG - however
    231  * we have userspace which relies on using these.
    232  * The wait interface is backwards compat new
    233  * code should use the NEW_WAIT defines below
    234  * THESE ARE NOT BIT FIELDS
    235  */
    236 #	define R300_WAIT_2D_CLEAN	0x3
    237 #	define R300_WAIT_3D_CLEAN	0x4
    238 
    239 #	define R300_NEW_WAIT_2D_3D	0x3
    240 #	define R300_NEW_WAIT_2D_2D_CLEAN	0x4
    241 #	define R300_NEW_WAIT_3D_3D_CLEAN	0x6
    242 #	define R300_NEW_WAIT_2D_2D_CLEAN_3D_3D_CLEAN	0x8
    243 
    244 #define R300_CMD_SCRATCH		8
    245 #define R300_CMD_R500FP                 9
    246 
    247 typedef union {
    248 	unsigned int u;
    249 	struct {
    250 		unsigned char cmd_type, pad0, pad1, pad2;
    251 	} header;
    252 	struct {
    253 		unsigned char cmd_type, count, reglo, reghi;
    254 	} packet0;
    255 	struct {
    256 		unsigned char cmd_type, count, adrlo, adrhi;
    257 	} vpu;
    258 	struct {
    259 		unsigned char cmd_type, packet, pad0, pad1;
    260 	} packet3;
    261 	struct {
    262 		unsigned char cmd_type, packet;
    263 		unsigned short count;	/* amount of packet2 to emit */
    264 	} delay;
    265 	struct {
    266 		unsigned char cmd_type, buf_idx, pad0, pad1;
    267 	} dma;
    268 	struct {
    269 		unsigned char cmd_type, flags, pad0, pad1;
    270 	} wait;
    271 	struct {
    272 		unsigned char cmd_type, reg, n_bufs, flags;
    273 	} scratch;
    274 	struct {
    275 		unsigned char cmd_type, count, adrlo, adrhi_flags;
    276 	} r500fp;
    277 } drm_r300_cmd_header_t;
    278 
    279 #define RADEON_FRONT			0x1
    280 #define RADEON_BACK			0x2
    281 #define RADEON_DEPTH			0x4
    282 #define RADEON_STENCIL			0x8
    283 #define RADEON_CLEAR_FASTZ		0x80000000
    284 #define RADEON_USE_HIERZ		0x40000000
    285 #define RADEON_USE_COMP_ZBUF		0x20000000
    286 
    287 #define R500FP_CONSTANT_TYPE  (1 << 1)
    288 #define R500FP_CONSTANT_CLAMP (1 << 2)
    289 
    290 /* Primitive types
    291  */
    292 #define RADEON_POINTS			0x1
    293 #define RADEON_LINES			0x2
    294 #define RADEON_LINE_STRIP		0x3
    295 #define RADEON_TRIANGLES		0x4
    296 #define RADEON_TRIANGLE_FAN		0x5
    297 #define RADEON_TRIANGLE_STRIP		0x6
    298 
    299 /* Vertex/indirect buffer size
    300  */
    301 #define RADEON_BUFFER_SIZE		65536
    302 
    303 /* Byte offsets for indirect buffer data
    304  */
    305 #define RADEON_INDEX_PRIM_OFFSET	20
    306 
    307 #define RADEON_SCRATCH_REG_OFFSET	32
    308 
    309 #define R600_SCRATCH_REG_OFFSET         256
    310 
    311 #define RADEON_NR_SAREA_CLIPRECTS	12
    312 
    313 /* There are 2 heaps (local/GART).  Each region within a heap is a
    314  * minimum of 64k, and there are at most 64 of them per heap.
    315  */
    316 #define RADEON_LOCAL_TEX_HEAP		0
    317 #define RADEON_GART_TEX_HEAP		1
    318 #define RADEON_NR_TEX_HEAPS		2
    319 #define RADEON_NR_TEX_REGIONS		64
    320 #define RADEON_LOG_TEX_GRANULARITY	16
    321 
    322 #define RADEON_MAX_TEXTURE_LEVELS	12
    323 #define RADEON_MAX_TEXTURE_UNITS	3
    324 
    325 #define RADEON_MAX_SURFACES		8
    326 
    327 /* Blits have strict offset rules.  All blit offset must be aligned on
    328  * a 1K-byte boundary.
    329  */
    330 #define RADEON_OFFSET_SHIFT             10
    331 #define RADEON_OFFSET_ALIGN             (1 << RADEON_OFFSET_SHIFT)
    332 #define RADEON_OFFSET_MASK              (RADEON_OFFSET_ALIGN - 1)
    333 
    334 #endif				/* __RADEON_SAREA_DEFINES__ */
    335 
    336 typedef struct {
    337 	unsigned int red;
    338 	unsigned int green;
    339 	unsigned int blue;
    340 	unsigned int alpha;
    341 } radeon_color_regs_t;
    342 
    343 typedef struct {
    344 	/* Context state */
    345 	unsigned int pp_misc;	/* 0x1c14 */
    346 	unsigned int pp_fog_color;
    347 	unsigned int re_solid_color;
    348 	unsigned int rb3d_blendcntl;
    349 	unsigned int rb3d_depthoffset;
    350 	unsigned int rb3d_depthpitch;
    351 	unsigned int rb3d_zstencilcntl;
    352 
    353 	unsigned int pp_cntl;	/* 0x1c38 */
    354 	unsigned int rb3d_cntl;
    355 	unsigned int rb3d_coloroffset;
    356 	unsigned int re_width_height;
    357 	unsigned int rb3d_colorpitch;
    358 	unsigned int se_cntl;
    359 
    360 	/* Vertex format state */
    361 	unsigned int se_coord_fmt;	/* 0x1c50 */
    362 
    363 	/* Line state */
    364 	unsigned int re_line_pattern;	/* 0x1cd0 */
    365 	unsigned int re_line_state;
    366 
    367 	unsigned int se_line_width;	/* 0x1db8 */
    368 
    369 	/* Bumpmap state */
    370 	unsigned int pp_lum_matrix;	/* 0x1d00 */
    371 
    372 	unsigned int pp_rot_matrix_0;	/* 0x1d58 */
    373 	unsigned int pp_rot_matrix_1;
    374 
    375 	/* Mask state */
    376 	unsigned int rb3d_stencilrefmask;	/* 0x1d7c */
    377 	unsigned int rb3d_ropcntl;
    378 	unsigned int rb3d_planemask;
    379 
    380 	/* Viewport state */
    381 	unsigned int se_vport_xscale;	/* 0x1d98 */
    382 	unsigned int se_vport_xoffset;
    383 	unsigned int se_vport_yscale;
    384 	unsigned int se_vport_yoffset;
    385 	unsigned int se_vport_zscale;
    386 	unsigned int se_vport_zoffset;
    387 
    388 	/* Setup state */
    389 	unsigned int se_cntl_status;	/* 0x2140 */
    390 
    391 	/* Misc state */
    392 	unsigned int re_top_left;	/* 0x26c0 */
    393 	unsigned int re_misc;
    394 } drm_radeon_context_regs_t;
    395 
    396 typedef struct {
    397 	/* Zbias state */
    398 	unsigned int se_zbias_factor;	/* 0x1dac */
    399 	unsigned int se_zbias_constant;
    400 } drm_radeon_context2_regs_t;
    401 
    402 /* Setup registers for each texture unit
    403  */
    404 typedef struct {
    405 	unsigned int pp_txfilter;
    406 	unsigned int pp_txformat;
    407 	unsigned int pp_txoffset;
    408 	unsigned int pp_txcblend;
    409 	unsigned int pp_txablend;
    410 	unsigned int pp_tfactor;
    411 	unsigned int pp_border_color;
    412 } drm_radeon_texture_regs_t;
    413 
    414 typedef struct {
    415 	unsigned int start;
    416 	unsigned int finish;
    417 	unsigned int prim:8;
    418 	unsigned int stateidx:8;
    419 	unsigned int numverts:16;	/* overloaded as offset/64 for elt prims */
    420 	unsigned int vc_format;	/* vertex format */
    421 } drm_radeon_prim_t;
    422 
    423 typedef struct {
    424 	drm_radeon_context_regs_t context;
    425 	drm_radeon_texture_regs_t tex[RADEON_MAX_TEXTURE_UNITS];
    426 	drm_radeon_context2_regs_t context2;
    427 	unsigned int dirty;
    428 } drm_radeon_state_t;
    429 
    430 typedef struct {
    431 	/* The channel for communication of state information to the
    432 	 * kernel on firing a vertex buffer with either of the
    433 	 * obsoleted vertex/index ioctls.
    434 	 */
    435 	drm_radeon_context_regs_t context_state;
    436 	drm_radeon_texture_regs_t tex_state[RADEON_MAX_TEXTURE_UNITS];
    437 	unsigned int dirty;
    438 	unsigned int vertsize;
    439 	unsigned int vc_format;
    440 
    441 	/* The current cliprects, or a subset thereof.
    442 	 */
    443 	struct drm_clip_rect boxes[RADEON_NR_SAREA_CLIPRECTS];
    444 	unsigned int nbox;
    445 
    446 	/* Counters for client-side throttling of rendering clients.
    447 	 */
    448 	unsigned int last_frame;
    449 	unsigned int last_dispatch;
    450 	unsigned int last_clear;
    451 
    452 	struct drm_tex_region tex_list[RADEON_NR_TEX_HEAPS][RADEON_NR_TEX_REGIONS +
    453 						       1];
    454 	unsigned int tex_age[RADEON_NR_TEX_HEAPS];
    455 	int ctx_owner;
    456 	int pfState;		/* number of 3d windows (0,1,2ormore) */
    457 	int pfCurrentPage;	/* which buffer is being displayed? */
    458 	int crtc2_base;		/* CRTC2 frame offset */
    459 	int tiling_enabled;	/* set by drm, read by 2d + 3d clients */
    460 } drm_radeon_sarea_t;
    461 
    462 /* WARNING: If you change any of these defines, make sure to change the
    463  * defines in the Xserver file (xf86drmRadeon.h)
    464  *
    465  * KW: actually it's illegal to change any of this (backwards compatibility).
    466  */
    467 
    468 /* Radeon specific ioctls
    469  * The device specific ioctl range is 0x40 to 0x79.
    470  */
    471 #define DRM_RADEON_CP_INIT    0x00
    472 #define DRM_RADEON_CP_START   0x01
    473 #define DRM_RADEON_CP_STOP    0x02
    474 #define DRM_RADEON_CP_RESET   0x03
    475 #define DRM_RADEON_CP_IDLE    0x04
    476 #define DRM_RADEON_RESET      0x05
    477 #define DRM_RADEON_FULLSCREEN 0x06
    478 #define DRM_RADEON_SWAP       0x07
    479 #define DRM_RADEON_CLEAR      0x08
    480 #define DRM_RADEON_VERTEX     0x09
    481 #define DRM_RADEON_INDICES    0x0A
    482 #define DRM_RADEON_NOT_USED
    483 #define DRM_RADEON_STIPPLE    0x0C
    484 #define DRM_RADEON_INDIRECT   0x0D
    485 #define DRM_RADEON_TEXTURE    0x0E
    486 #define DRM_RADEON_VERTEX2    0x0F
    487 #define DRM_RADEON_CMDBUF     0x10
    488 #define DRM_RADEON_GETPARAM   0x11
    489 #define DRM_RADEON_FLIP       0x12
    490 #define DRM_RADEON_ALLOC      0x13
    491 #define DRM_RADEON_FREE       0x14
    492 #define DRM_RADEON_INIT_HEAP  0x15
    493 #define DRM_RADEON_IRQ_EMIT   0x16
    494 #define DRM_RADEON_IRQ_WAIT   0x17
    495 #define DRM_RADEON_CP_RESUME  0x18
    496 #define DRM_RADEON_SETPARAM   0x19
    497 #define DRM_RADEON_SURF_ALLOC 0x1a
    498 #define DRM_RADEON_SURF_FREE  0x1b
    499 /* KMS ioctl */
    500 #define DRM_RADEON_GEM_INFO		0x1c
    501 #define DRM_RADEON_GEM_CREATE		0x1d
    502 #define DRM_RADEON_GEM_MMAP		0x1e
    503 #define DRM_RADEON_GEM_PREAD		0x21
    504 #define DRM_RADEON_GEM_PWRITE		0x22
    505 #define DRM_RADEON_GEM_SET_DOMAIN	0x23
    506 #define DRM_RADEON_GEM_WAIT_IDLE	0x24
    507 #define DRM_RADEON_CS			0x26
    508 #define DRM_RADEON_INFO			0x27
    509 #define DRM_RADEON_GEM_SET_TILING	0x28
    510 #define DRM_RADEON_GEM_GET_TILING	0x29
    511 #define DRM_RADEON_GEM_BUSY		0x2a
    512 #define DRM_RADEON_GEM_VA		0x2b
    513 #define DRM_RADEON_GEM_OP		0x2c
    514 
    515 #define DRM_IOCTL_RADEON_CP_INIT    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CP_INIT, drm_radeon_init_t)
    516 #define DRM_IOCTL_RADEON_CP_START   DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_START)
    517 #define DRM_IOCTL_RADEON_CP_STOP    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CP_STOP, drm_radeon_cp_stop_t)
    518 #define DRM_IOCTL_RADEON_CP_RESET   DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_RESET)
    519 #define DRM_IOCTL_RADEON_CP_IDLE    DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_IDLE)
    520 #define DRM_IOCTL_RADEON_RESET      DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_RESET)
    521 #define DRM_IOCTL_RADEON_FULLSCREEN DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_FULLSCREEN, drm_radeon_fullscreen_t)
    522 #define DRM_IOCTL_RADEON_SWAP       DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_SWAP)
    523 #define DRM_IOCTL_RADEON_CLEAR      DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CLEAR, drm_radeon_clear_t)
    524 #define DRM_IOCTL_RADEON_VERTEX     DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_VERTEX, drm_radeon_vertex_t)
    525 #define DRM_IOCTL_RADEON_INDICES    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_INDICES, drm_radeon_indices_t)
    526 #define DRM_IOCTL_RADEON_STIPPLE    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_STIPPLE, drm_radeon_stipple_t)
    527 #define DRM_IOCTL_RADEON_INDIRECT   DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_INDIRECT, drm_radeon_indirect_t)
    528 #define DRM_IOCTL_RADEON_TEXTURE    DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_TEXTURE, drm_radeon_texture_t)
    529 #define DRM_IOCTL_RADEON_VERTEX2    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_VERTEX2, drm_radeon_vertex2_t)
    530 #define DRM_IOCTL_RADEON_CMDBUF     DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CMDBUF, drm_radeon_cmd_buffer_t)
    531 #define DRM_IOCTL_RADEON_GETPARAM   DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GETPARAM, drm_radeon_getparam_t)
    532 #define DRM_IOCTL_RADEON_FLIP       DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_FLIP)
    533 #define DRM_IOCTL_RADEON_ALLOC      DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_ALLOC, drm_radeon_mem_alloc_t)
    534 #define DRM_IOCTL_RADEON_FREE       DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_FREE, drm_radeon_mem_free_t)
    535 #define DRM_IOCTL_RADEON_INIT_HEAP  DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_INIT_HEAP, drm_radeon_mem_init_heap_t)
    536 #define DRM_IOCTL_RADEON_IRQ_EMIT   DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_IRQ_EMIT, drm_radeon_irq_emit_t)
    537 #define DRM_IOCTL_RADEON_IRQ_WAIT   DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_IRQ_WAIT, drm_radeon_irq_wait_t)
    538 #define DRM_IOCTL_RADEON_CP_RESUME  DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_RESUME)
    539 #define DRM_IOCTL_RADEON_SETPARAM   DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_SETPARAM, drm_radeon_setparam_t)
    540 #define DRM_IOCTL_RADEON_SURF_ALLOC DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_SURF_ALLOC, drm_radeon_surface_alloc_t)
    541 #define DRM_IOCTL_RADEON_SURF_FREE  DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_SURF_FREE, drm_radeon_surface_free_t)
    542 /* KMS */
    543 #define DRM_IOCTL_RADEON_GEM_INFO	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_INFO, struct drm_radeon_gem_info)
    544 #define DRM_IOCTL_RADEON_GEM_CREATE	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_CREATE, struct drm_radeon_gem_create)
    545 #define DRM_IOCTL_RADEON_GEM_MMAP	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_MMAP, struct drm_radeon_gem_mmap)
    546 #define DRM_IOCTL_RADEON_GEM_PREAD	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_PREAD, struct drm_radeon_gem_pread)
    547 #define DRM_IOCTL_RADEON_GEM_PWRITE	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_PWRITE, struct drm_radeon_gem_pwrite)
    548 #define DRM_IOCTL_RADEON_GEM_SET_DOMAIN	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_SET_DOMAIN, struct drm_radeon_gem_set_domain)
    549 #define DRM_IOCTL_RADEON_GEM_WAIT_IDLE	DRM_IOW(DRM_COMMAND_BASE + DRM_RADEON_GEM_WAIT_IDLE, struct drm_radeon_gem_wait_idle)
    550 #define DRM_IOCTL_RADEON_CS		DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_CS, struct drm_radeon_cs)
    551 #define DRM_IOCTL_RADEON_INFO		DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_INFO, struct drm_radeon_info)
    552 #define DRM_IOCTL_RADEON_GEM_SET_TILING	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_SET_TILING, struct drm_radeon_gem_set_tiling)
    553 #define DRM_IOCTL_RADEON_GEM_GET_TILING	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_GET_TILING, struct drm_radeon_gem_get_tiling)
    554 #define DRM_IOCTL_RADEON_GEM_BUSY	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_BUSY, struct drm_radeon_gem_busy)
    555 #define DRM_IOCTL_RADEON_GEM_VA		DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_VA, struct drm_radeon_gem_va)
    556 #define DRM_IOCTL_RADEON_GEM_OP		DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_OP, struct drm_radeon_gem_op)
    557 
    558 typedef struct drm_radeon_init {
    559 	enum {
    560 		RADEON_INIT_CP = 0x01,
    561 		RADEON_CLEANUP_CP = 0x02,
    562 		RADEON_INIT_R200_CP = 0x03,
    563 		RADEON_INIT_R300_CP = 0x04,
    564 		RADEON_INIT_R600_CP = 0x05
    565 	} func;
    566 	unsigned long sarea_priv_offset;
    567 	int is_pci;
    568 	int cp_mode;
    569 	int gart_size;
    570 	int ring_size;
    571 	int usec_timeout;
    572 
    573 	unsigned int fb_bpp;
    574 	unsigned int front_offset, front_pitch;
    575 	unsigned int back_offset, back_pitch;
    576 	unsigned int depth_bpp;
    577 	unsigned int depth_offset, depth_pitch;
    578 
    579 	unsigned long fb_offset;
    580 	unsigned long mmio_offset;
    581 	unsigned long ring_offset;
    582 	unsigned long ring_rptr_offset;
    583 	unsigned long buffers_offset;
    584 	unsigned long gart_textures_offset;
    585 } drm_radeon_init_t;
    586 
    587 typedef struct drm_radeon_cp_stop {
    588 	int flush;
    589 	int idle;
    590 } drm_radeon_cp_stop_t;
    591 
    592 typedef struct drm_radeon_fullscreen {
    593 	enum {
    594 		RADEON_INIT_FULLSCREEN = 0x01,
    595 		RADEON_CLEANUP_FULLSCREEN = 0x02
    596 	} func;
    597 } drm_radeon_fullscreen_t;
    598 
    599 #define CLEAR_X1	0
    600 #define CLEAR_Y1	1
    601 #define CLEAR_X2	2
    602 #define CLEAR_Y2	3
    603 #define CLEAR_DEPTH	4
    604 
    605 typedef union drm_radeon_clear_rect {
    606 	float f[5];
    607 	unsigned int ui[5];
    608 } drm_radeon_clear_rect_t;
    609 
    610 typedef struct drm_radeon_clear {
    611 	unsigned int flags;
    612 	unsigned int clear_color;
    613 	unsigned int clear_depth;
    614 	unsigned int color_mask;
    615 	unsigned int depth_mask;	/* misnamed field:  should be stencil */
    616 	drm_radeon_clear_rect_t *depth_boxes;
    617 } drm_radeon_clear_t;
    618 
    619 typedef struct drm_radeon_vertex {
    620 	int prim;
    621 	int idx;		/* Index of vertex buffer */
    622 	int count;		/* Number of vertices in buffer */
    623 	int discard;		/* Client finished with buffer? */
    624 } drm_radeon_vertex_t;
    625 
    626 typedef struct drm_radeon_indices {
    627 	int prim;
    628 	int idx;
    629 	int start;
    630 	int end;
    631 	int discard;		/* Client finished with buffer? */
    632 } drm_radeon_indices_t;
    633 
    634 /* v1.2 - obsoletes drm_radeon_vertex and drm_radeon_indices
    635  *      - allows multiple primitives and state changes in a single ioctl
    636  *      - supports driver change to emit native primitives
    637  */
    638 typedef struct drm_radeon_vertex2 {
    639 	int idx;		/* Index of vertex buffer */
    640 	int discard;		/* Client finished with buffer? */
    641 	int nr_states;
    642 	drm_radeon_state_t *state;
    643 	int nr_prims;
    644 	drm_radeon_prim_t *prim;
    645 } drm_radeon_vertex2_t;
    646 
    647 /* v1.3 - obsoletes drm_radeon_vertex2
    648  *      - allows arbitrarily large cliprect list
    649  *      - allows updating of tcl packet, vector and scalar state
    650  *      - allows memory-efficient description of state updates
    651  *      - allows state to be emitted without a primitive
    652  *           (for clears, ctx switches)
    653  *      - allows more than one dma buffer to be referenced per ioctl
    654  *      - supports tcl driver
    655  *      - may be extended in future versions with new cmd types, packets
    656  */
    657 typedef struct drm_radeon_cmd_buffer {
    658 	int bufsz;
    659 	char *buf;
    660 	int nbox;
    661 	struct drm_clip_rect *boxes;
    662 } drm_radeon_cmd_buffer_t;
    663 
    664 typedef struct drm_radeon_tex_image {
    665 	unsigned int x, y;	/* Blit coordinates */
    666 	unsigned int width, height;
    667 	const void *data;
    668 } drm_radeon_tex_image_t;
    669 
    670 typedef struct drm_radeon_texture {
    671 	unsigned int offset;
    672 	int pitch;
    673 	int format;
    674 	int width;		/* Texture image coordinates */
    675 	int height;
    676 	drm_radeon_tex_image_t *image;
    677 } drm_radeon_texture_t;
    678 
    679 typedef struct drm_radeon_stipple {
    680 	unsigned int *mask;
    681 } drm_radeon_stipple_t;
    682 
    683 typedef struct drm_radeon_indirect {
    684 	int idx;
    685 	int start;
    686 	int end;
    687 	int discard;
    688 } drm_radeon_indirect_t;
    689 
    690 /* enum for card type parameters */
    691 #define RADEON_CARD_PCI 0
    692 #define RADEON_CARD_AGP 1
    693 #define RADEON_CARD_PCIE 2
    694 
    695 /* 1.3: An ioctl to get parameters that aren't available to the 3d
    696  * client any other way.
    697  */
    698 #define RADEON_PARAM_GART_BUFFER_OFFSET    1	/* card offset of 1st GART buffer */
    699 #define RADEON_PARAM_LAST_FRAME            2
    700 #define RADEON_PARAM_LAST_DISPATCH         3
    701 #define RADEON_PARAM_LAST_CLEAR            4
    702 /* Added with DRM version 1.6. */
    703 #define RADEON_PARAM_IRQ_NR                5
    704 #define RADEON_PARAM_GART_BASE             6	/* card offset of GART base */
    705 /* Added with DRM version 1.8. */
    706 #define RADEON_PARAM_REGISTER_HANDLE       7	/* for drmMap() */
    707 #define RADEON_PARAM_STATUS_HANDLE         8
    708 #define RADEON_PARAM_SAREA_HANDLE          9
    709 #define RADEON_PARAM_GART_TEX_HANDLE       10
    710 #define RADEON_PARAM_SCRATCH_OFFSET        11
    711 #define RADEON_PARAM_CARD_TYPE             12
    712 #define RADEON_PARAM_VBLANK_CRTC           13   /* VBLANK CRTC */
    713 #define RADEON_PARAM_FB_LOCATION           14   /* FB location */
    714 #define RADEON_PARAM_NUM_GB_PIPES          15   /* num GB pipes */
    715 #define RADEON_PARAM_DEVICE_ID             16
    716 #define RADEON_PARAM_NUM_Z_PIPES           17   /* num Z pipes */
    717 
    718 typedef struct drm_radeon_getparam {
    719 	int param;
    720 	void *value;
    721 } drm_radeon_getparam_t;
    722 
    723 /* 1.6: Set up a memory manager for regions of shared memory:
    724  */
    725 #define RADEON_MEM_REGION_GART 1
    726 #define RADEON_MEM_REGION_FB   2
    727 
    728 typedef struct drm_radeon_mem_alloc {
    729 	int region;
    730 	int alignment;
    731 	int size;
    732 	int *region_offset;	/* offset from start of fb or GART */
    733 } drm_radeon_mem_alloc_t;
    734 
    735 typedef struct drm_radeon_mem_free {
    736 	int region;
    737 	int region_offset;
    738 } drm_radeon_mem_free_t;
    739 
    740 typedef struct drm_radeon_mem_init_heap {
    741 	int region;
    742 	int size;
    743 	int start;
    744 } drm_radeon_mem_init_heap_t;
    745 
    746 /* 1.6: Userspace can request & wait on irq's:
    747  */
    748 typedef struct drm_radeon_irq_emit {
    749 	int *irq_seq;
    750 } drm_radeon_irq_emit_t;
    751 
    752 typedef struct drm_radeon_irq_wait {
    753 	int irq_seq;
    754 } drm_radeon_irq_wait_t;
    755 
    756 /* 1.10: Clients tell the DRM where they think the framebuffer is located in
    757  * the card's address space, via a new generic ioctl to set parameters
    758  */
    759 
    760 typedef struct drm_radeon_setparam {
    761 	unsigned int param;
    762 	__s64 value;
    763 } drm_radeon_setparam_t;
    764 
    765 #define RADEON_SETPARAM_FB_LOCATION    1	/* determined framebuffer location */
    766 #define RADEON_SETPARAM_SWITCH_TILING  2	/* enable/disable color tiling */
    767 #define RADEON_SETPARAM_PCIGART_LOCATION 3	/* PCI Gart Location */
    768 #define RADEON_SETPARAM_NEW_MEMMAP 4		/* Use new memory map */
    769 #define RADEON_SETPARAM_PCIGART_TABLE_SIZE 5    /* PCI GART Table Size */
    770 #define RADEON_SETPARAM_VBLANK_CRTC 6           /* VBLANK CRTC */
    771 /* 1.14: Clients can allocate/free a surface
    772  */
    773 typedef struct drm_radeon_surface_alloc {
    774 	unsigned int address;
    775 	unsigned int size;
    776 	unsigned int flags;
    777 } drm_radeon_surface_alloc_t;
    778 
    779 typedef struct drm_radeon_surface_free {
    780 	unsigned int address;
    781 } drm_radeon_surface_free_t;
    782 
    783 #define	DRM_RADEON_VBLANK_CRTC1		1
    784 #define	DRM_RADEON_VBLANK_CRTC2		2
    785 
    786 /*
    787  * Kernel modesetting world below.
    788  */
    789 #define RADEON_GEM_DOMAIN_CPU		0x1
    790 #define RADEON_GEM_DOMAIN_GTT		0x2
    791 #define RADEON_GEM_DOMAIN_VRAM		0x4
    792 
    793 struct drm_radeon_gem_info {
    794 	uint64_t	gart_size;
    795 	uint64_t	vram_size;
    796 	uint64_t	vram_visible;
    797 };
    798 
    799 #define RADEON_GEM_NO_BACKING_STORE 1
    800 
    801 struct drm_radeon_gem_create {
    802 	uint64_t	size;
    803 	uint64_t	alignment;
    804 	uint32_t	handle;
    805 	uint32_t	initial_domain;
    806 	uint32_t	flags;
    807 };
    808 
    809 #define RADEON_TILING_MACRO				0x1
    810 #define RADEON_TILING_MICRO				0x2
    811 #define RADEON_TILING_SWAP_16BIT			0x4
    812 #define RADEON_TILING_R600_NO_SCANOUT                   RADEON_TILING_SWAP_16BIT
    813 #define RADEON_TILING_SWAP_32BIT			0x8
    814 /* this object requires a surface when mapped - i.e. front buffer */
    815 #define RADEON_TILING_SURFACE				0x10
    816 #define RADEON_TILING_MICRO_SQUARE			0x20
    817 #define RADEON_TILING_EG_BANKW_SHIFT			8
    818 #define RADEON_TILING_EG_BANKW_MASK			0xf
    819 #define RADEON_TILING_EG_BANKH_SHIFT			12
    820 #define RADEON_TILING_EG_BANKH_MASK			0xf
    821 #define RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT	16
    822 #define RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK		0xf
    823 #define RADEON_TILING_EG_TILE_SPLIT_SHIFT		24
    824 #define RADEON_TILING_EG_TILE_SPLIT_MASK		0xf
    825 #define RADEON_TILING_EG_STENCIL_TILE_SPLIT_SHIFT	28
    826 #define RADEON_TILING_EG_STENCIL_TILE_SPLIT_MASK	0xf
    827 
    828 struct drm_radeon_gem_set_tiling {
    829 	uint32_t	handle;
    830 	uint32_t	tiling_flags;
    831 	uint32_t	pitch;
    832 };
    833 
    834 struct drm_radeon_gem_get_tiling {
    835 	uint32_t	handle;
    836 	uint32_t	tiling_flags;
    837 	uint32_t	pitch;
    838 };
    839 
    840 struct drm_radeon_gem_mmap {
    841 	uint32_t	handle;
    842 	uint32_t	pad;
    843 	uint64_t	offset;
    844 	uint64_t	size;
    845 	uint64_t	addr_ptr;
    846 };
    847 
    848 struct drm_radeon_gem_set_domain {
    849 	uint32_t	handle;
    850 	uint32_t	read_domains;
    851 	uint32_t	write_domain;
    852 };
    853 
    854 struct drm_radeon_gem_wait_idle {
    855 	uint32_t	handle;
    856 	uint32_t	pad;
    857 };
    858 
    859 struct drm_radeon_gem_busy {
    860 	uint32_t	handle;
    861 	uint32_t        domain;
    862 };
    863 
    864 struct drm_radeon_gem_pread {
    865 	/** Handle for the object being read. */
    866 	uint32_t handle;
    867 	uint32_t pad;
    868 	/** Offset into the object to read from */
    869 	uint64_t offset;
    870 	/** Length of data to read */
    871 	uint64_t size;
    872 	/** Pointer to write the data into. */
    873 	/* void *, but pointers are not 32/64 compatible */
    874 	uint64_t data_ptr;
    875 };
    876 
    877 struct drm_radeon_gem_pwrite {
    878 	/** Handle for the object being written to. */
    879 	uint32_t handle;
    880 	uint32_t pad;
    881 	/** Offset into the object to write to */
    882 	uint64_t offset;
    883 	/** Length of data to write */
    884 	uint64_t size;
    885 	/** Pointer to read the data from. */
    886 	/* void *, but pointers are not 32/64 compatible */
    887 	uint64_t data_ptr;
    888 };
    889 
    890 /* Sets or returns a value associated with a buffer. */
    891 struct drm_radeon_gem_op {
    892 	uint32_t	handle; /* buffer */
    893 	uint32_t	op;     /* RADEON_GEM_OP_* */
    894 	uint64_t	value;  /* input or return value */
    895 };
    896 
    897 #define RADEON_GEM_OP_GET_INITIAL_DOMAIN	0
    898 #define RADEON_GEM_OP_SET_INITIAL_DOMAIN	1
    899 
    900 #define RADEON_VA_MAP			1
    901 #define RADEON_VA_UNMAP			2
    902 
    903 #define RADEON_VA_RESULT_OK		0
    904 #define RADEON_VA_RESULT_ERROR		1
    905 #define RADEON_VA_RESULT_VA_EXIST	2
    906 
    907 #define RADEON_VM_PAGE_VALID		(1 << 0)
    908 #define RADEON_VM_PAGE_READABLE		(1 << 1)
    909 #define RADEON_VM_PAGE_WRITEABLE	(1 << 2)
    910 #define RADEON_VM_PAGE_SYSTEM		(1 << 3)
    911 #define RADEON_VM_PAGE_SNOOPED		(1 << 4)
    912 
    913 struct drm_radeon_gem_va {
    914 	uint32_t		handle;
    915 	uint32_t		operation;
    916 	uint32_t		vm_id;
    917 	uint32_t		flags;
    918 	uint64_t		offset;
    919 };
    920 
    921 #define RADEON_CHUNK_ID_RELOCS	0x01
    922 #define RADEON_CHUNK_ID_IB	0x02
    923 #define RADEON_CHUNK_ID_FLAGS	0x03
    924 #define RADEON_CHUNK_ID_CONST_IB	0x04
    925 
    926 /* The first dword of RADEON_CHUNK_ID_FLAGS is a uint32 of these flags: */
    927 #define RADEON_CS_KEEP_TILING_FLAGS 0x01
    928 #define RADEON_CS_USE_VM            0x02
    929 #define RADEON_CS_END_OF_FRAME      0x04 /* a hint from userspace which CS is the last one */
    930 /* The second dword of RADEON_CHUNK_ID_FLAGS is a uint32 that sets the ring type */
    931 #define RADEON_CS_RING_GFX          0
    932 #define RADEON_CS_RING_COMPUTE      1
    933 #define RADEON_CS_RING_DMA          2
    934 #define RADEON_CS_RING_UVD          3
    935 #define RADEON_CS_RING_VCE          4
    936 /* The third dword of RADEON_CHUNK_ID_FLAGS is a sint32 that sets the priority */
    937 /* 0 = normal, + = higher priority, - = lower priority */
    938 
    939 struct drm_radeon_cs_chunk {
    940 	uint32_t		chunk_id;
    941 	uint32_t		length_dw;
    942 	uint64_t		chunk_data;
    943 };
    944 
    945 /* drm_radeon_cs_reloc.flags */
    946 
    947 struct drm_radeon_cs_reloc {
    948 	uint32_t		handle;
    949 	uint32_t		read_domains;
    950 	uint32_t		write_domain;
    951 	uint32_t		flags;
    952 };
    953 
    954 struct drm_radeon_cs {
    955 	uint32_t		num_chunks;
    956 	uint32_t		cs_id;
    957 	/* this points to uint64_t * which point to cs chunks */
    958 	uint64_t		chunks;
    959 	/* updates to the limits after this CS ioctl */
    960 	uint64_t		gart_limit;
    961 	uint64_t		vram_limit;
    962 };
    963 
    964 #define RADEON_INFO_DEVICE_ID		0x00
    965 #define RADEON_INFO_NUM_GB_PIPES	0x01
    966 #define RADEON_INFO_NUM_Z_PIPES 	0x02
    967 #define RADEON_INFO_ACCEL_WORKING	0x03
    968 #define RADEON_INFO_CRTC_FROM_ID	0x04
    969 #define RADEON_INFO_ACCEL_WORKING2	0x05
    970 #define RADEON_INFO_TILING_CONFIG	0x06
    971 #define RADEON_INFO_WANT_HYPERZ		0x07
    972 #define RADEON_INFO_WANT_CMASK		0x08 /* get access to CMASK on r300 */
    973 #define RADEON_INFO_CLOCK_CRYSTAL_FREQ	0x09 /* clock crystal frequency */
    974 #define RADEON_INFO_NUM_BACKENDS	0x0a /* DB/backends for r600+ - need for OQ */
    975 #define RADEON_INFO_NUM_TILE_PIPES	0x0b /* tile pipes for r600+ */
    976 #define RADEON_INFO_FUSION_GART_WORKING	0x0c /* fusion writes to GTT were broken before this */
    977 #define RADEON_INFO_BACKEND_MAP		0x0d /* pipe to backend map, needed by mesa */
    978 /* virtual address start, va < start are reserved by the kernel */
    979 #define RADEON_INFO_VA_START		0x0e
    980 /* maximum size of ib using the virtual memory cs */
    981 #define RADEON_INFO_IB_VM_MAX_SIZE	0x0f
    982 /* max pipes - needed for compute shaders */
    983 #define RADEON_INFO_MAX_PIPES		0x10
    984 /* timestamp for GL_ARB_timer_query (OpenGL), returns the current GPU clock */
    985 #define RADEON_INFO_TIMESTAMP		0x11
    986 /* max shader engines (SE) - needed for geometry shaders, etc. */
    987 #define RADEON_INFO_MAX_SE		0x12
    988 /* max SH per SE */
    989 #define RADEON_INFO_MAX_SH_PER_SE	0x13
    990 /* fast fb access is enabled */
    991 #define RADEON_INFO_FASTFB_WORKING	0x14
    992 /* query if a RADEON_CS_RING_* submission is supported */
    993 #define RADEON_INFO_RING_WORKING	0x15
    994 /* SI tile mode array */
    995 #define RADEON_INFO_SI_TILE_MODE_ARRAY	0x16
    996 /* query if CP DMA is supported on the compute ring */
    997 #define RADEON_INFO_SI_CP_DMA_COMPUTE	0x17
    998 /* CIK macrotile mode array */
    999 #define RADEON_INFO_CIK_MACROTILE_MODE_ARRAY	0x18
   1000 /* query the number of render backends */
   1001 #define RADEON_INFO_SI_BACKEND_ENABLED_MASK	0x19
   1002 /* max engine clock - needed for OpenCL */
   1003 #define RADEON_INFO_MAX_SCLK		0x1a
   1004 /* version of VCE firmware */
   1005 #define RADEON_INFO_VCE_FW_VERSION	0x1b
   1006 /* version of VCE feedback */
   1007 #define RADEON_INFO_VCE_FB_VERSION	0x1c
   1008 #define RADEON_INFO_NUM_BYTES_MOVED	0x1d
   1009 #define RADEON_INFO_VRAM_USAGE		0x1e
   1010 #define RADEON_INFO_GTT_USAGE		0x1f
   1011 
   1012 
   1013 struct drm_radeon_info {
   1014 	uint32_t		request;
   1015 	uint32_t		pad;
   1016 	uint64_t		value;
   1017 };
   1018 
   1019 /* Those correspond to the tile index to use, this is to explicitly state
   1020  * the API that is implicitly defined by the tile mode array.
   1021  */
   1022 #define SI_TILE_MODE_COLOR_LINEAR_ALIGNED	8
   1023 #define SI_TILE_MODE_COLOR_1D			13
   1024 #define SI_TILE_MODE_COLOR_1D_SCANOUT		9
   1025 #define SI_TILE_MODE_COLOR_2D_8BPP		14
   1026 #define SI_TILE_MODE_COLOR_2D_16BPP		15
   1027 #define SI_TILE_MODE_COLOR_2D_32BPP		16
   1028 #define SI_TILE_MODE_COLOR_2D_64BPP		17
   1029 #define SI_TILE_MODE_COLOR_2D_SCANOUT_16BPP	11
   1030 #define SI_TILE_MODE_COLOR_2D_SCANOUT_32BPP	12
   1031 #define SI_TILE_MODE_DEPTH_STENCIL_1D		4
   1032 #define SI_TILE_MODE_DEPTH_STENCIL_2D		0
   1033 #define SI_TILE_MODE_DEPTH_STENCIL_2D_2AA	3
   1034 #define SI_TILE_MODE_DEPTH_STENCIL_2D_4AA	3
   1035 #define SI_TILE_MODE_DEPTH_STENCIL_2D_8AA	2
   1036 
   1037 #define CIK_TILE_MODE_COLOR_2D			14
   1038 #define CIK_TILE_MODE_COLOR_2D_SCANOUT		10
   1039 #define CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_64       0
   1040 #define CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_128      1
   1041 #define CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_256      2
   1042 #define CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_512      3
   1043 #define CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_ROW_SIZE 4
   1044 #define CIK_TILE_MODE_DEPTH_STENCIL_1D		5
   1045 
   1046 #endif
   1047