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0001 /* radeon_drm.h -- Public header for the radeon driver -*- linux-c -*-
0002  *
0003  * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
0004  * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
0005  * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.
0006  * All rights reserved.
0007  *
0008  * Permission is hereby granted, free of charge, to any person obtaining a
0009  * copy of this software and associated documentation files (the "Software"),
0010  * to deal in the Software without restriction, including without limitation
0011  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0012  * and/or sell copies of the Software, and to permit persons to whom the
0013  * Software is furnished to do so, subject to the following conditions:
0014  *
0015  * The above copyright notice and this permission notice (including the next
0016  * paragraph) shall be included in all copies or substantial portions of the
0017  * Software.
0018  *
0019  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0020  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0021  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0022  * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
0023  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0024  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
0025  * DEALINGS IN THE SOFTWARE.
0026  *
0027  * Authors:
0028  *    Kevin E. Martin <martin@valinux.com>
0029  *    Gareth Hughes <gareth@valinux.com>
0030  *    Keith Whitwell <keith@tungstengraphics.com>
0031  */
0032 
0033 #ifndef __RADEON_DRM_H__
0034 #define __RADEON_DRM_H__
0035 
0036 #include "drm.h"
0037 
0038 #if defined(__cplusplus)
0039 extern "C" {
0040 #endif
0041 
0042 /* WARNING: If you change any of these defines, make sure to change the
0043  * defines in the X server file (radeon_sarea.h)
0044  */
0045 #ifndef __RADEON_SAREA_DEFINES__
0046 #define __RADEON_SAREA_DEFINES__
0047 
0048 /* Old style state flags, required for sarea interface (1.1 and 1.2
0049  * clears) and 1.2 drm_vertex2 ioctl.
0050  */
0051 #define RADEON_UPLOAD_CONTEXT       0x00000001
0052 #define RADEON_UPLOAD_VERTFMT       0x00000002
0053 #define RADEON_UPLOAD_LINE      0x00000004
0054 #define RADEON_UPLOAD_BUMPMAP       0x00000008
0055 #define RADEON_UPLOAD_MASKS     0x00000010
0056 #define RADEON_UPLOAD_VIEWPORT      0x00000020
0057 #define RADEON_UPLOAD_SETUP     0x00000040
0058 #define RADEON_UPLOAD_TCL       0x00000080
0059 #define RADEON_UPLOAD_MISC      0x00000100
0060 #define RADEON_UPLOAD_TEX0      0x00000200
0061 #define RADEON_UPLOAD_TEX1      0x00000400
0062 #define RADEON_UPLOAD_TEX2      0x00000800
0063 #define RADEON_UPLOAD_TEX0IMAGES    0x00001000
0064 #define RADEON_UPLOAD_TEX1IMAGES    0x00002000
0065 #define RADEON_UPLOAD_TEX2IMAGES    0x00004000
0066 #define RADEON_UPLOAD_CLIPRECTS     0x00008000  /* handled client-side */
0067 #define RADEON_REQUIRE_QUIESCENCE   0x00010000
0068 #define RADEON_UPLOAD_ZBIAS     0x00020000  /* version 1.2 and newer */
0069 #define RADEON_UPLOAD_ALL       0x003effff
0070 #define RADEON_UPLOAD_CONTEXT_ALL       0x003e01ff
0071 
0072 /* New style per-packet identifiers for use in cmd_buffer ioctl with
0073  * the RADEON_EMIT_PACKET command.  Comments relate new packets to old
0074  * state bits and the packet size:
0075  */
0076 #define RADEON_EMIT_PP_MISC                         0   /* context/7 */
0077 #define RADEON_EMIT_PP_CNTL                         1   /* context/3 */
0078 #define RADEON_EMIT_RB3D_COLORPITCH                 2   /* context/1 */
0079 #define RADEON_EMIT_RE_LINE_PATTERN                 3   /* line/2 */
0080 #define RADEON_EMIT_SE_LINE_WIDTH                   4   /* line/1 */
0081 #define RADEON_EMIT_PP_LUM_MATRIX                   5   /* bumpmap/1 */
0082 #define RADEON_EMIT_PP_ROT_MATRIX_0                 6   /* bumpmap/2 */
0083 #define RADEON_EMIT_RB3D_STENCILREFMASK             7   /* masks/3 */
0084 #define RADEON_EMIT_SE_VPORT_XSCALE                 8   /* viewport/6 */
0085 #define RADEON_EMIT_SE_CNTL                         9   /* setup/2 */
0086 #define RADEON_EMIT_SE_CNTL_STATUS                  10  /* setup/1 */
0087 #define RADEON_EMIT_RE_MISC                         11  /* misc/1 */
0088 #define RADEON_EMIT_PP_TXFILTER_0                   12  /* tex0/6 */
0089 #define RADEON_EMIT_PP_BORDER_COLOR_0               13  /* tex0/1 */
0090 #define RADEON_EMIT_PP_TXFILTER_1                   14  /* tex1/6 */
0091 #define RADEON_EMIT_PP_BORDER_COLOR_1               15  /* tex1/1 */
0092 #define RADEON_EMIT_PP_TXFILTER_2                   16  /* tex2/6 */
0093 #define RADEON_EMIT_PP_BORDER_COLOR_2               17  /* tex2/1 */
0094 #define RADEON_EMIT_SE_ZBIAS_FACTOR                 18  /* zbias/2 */
0095 #define RADEON_EMIT_SE_TCL_OUTPUT_VTX_FMT           19  /* tcl/11 */
0096 #define RADEON_EMIT_SE_TCL_MATERIAL_EMMISSIVE_RED   20  /* material/17 */
0097 #define R200_EMIT_PP_TXCBLEND_0                     21  /* tex0/4 */
0098 #define R200_EMIT_PP_TXCBLEND_1                     22  /* tex1/4 */
0099 #define R200_EMIT_PP_TXCBLEND_2                     23  /* tex2/4 */
0100 #define R200_EMIT_PP_TXCBLEND_3                     24  /* tex3/4 */
0101 #define R200_EMIT_PP_TXCBLEND_4                     25  /* tex4/4 */
0102 #define R200_EMIT_PP_TXCBLEND_5                     26  /* tex5/4 */
0103 #define R200_EMIT_PP_TXCBLEND_6                     27  /* /4 */
0104 #define R200_EMIT_PP_TXCBLEND_7                     28  /* /4 */
0105 #define R200_EMIT_TCL_LIGHT_MODEL_CTL_0             29  /* tcl/7 */
0106 #define R200_EMIT_TFACTOR_0                         30  /* tf/7 */
0107 #define R200_EMIT_VTX_FMT_0                         31  /* vtx/5 */
0108 #define R200_EMIT_VAP_CTL                           32  /* vap/1 */
0109 #define R200_EMIT_MATRIX_SELECT_0                   33  /* msl/5 */
0110 #define R200_EMIT_TEX_PROC_CTL_2                    34  /* tcg/5 */
0111 #define R200_EMIT_TCL_UCP_VERT_BLEND_CTL            35  /* tcl/1 */
0112 #define R200_EMIT_PP_TXFILTER_0                     36  /* tex0/6 */
0113 #define R200_EMIT_PP_TXFILTER_1                     37  /* tex1/6 */
0114 #define R200_EMIT_PP_TXFILTER_2                     38  /* tex2/6 */
0115 #define R200_EMIT_PP_TXFILTER_3                     39  /* tex3/6 */
0116 #define R200_EMIT_PP_TXFILTER_4                     40  /* tex4/6 */
0117 #define R200_EMIT_PP_TXFILTER_5                     41  /* tex5/6 */
0118 #define R200_EMIT_PP_TXOFFSET_0                     42  /* tex0/1 */
0119 #define R200_EMIT_PP_TXOFFSET_1                     43  /* tex1/1 */
0120 #define R200_EMIT_PP_TXOFFSET_2                     44  /* tex2/1 */
0121 #define R200_EMIT_PP_TXOFFSET_3                     45  /* tex3/1 */
0122 #define R200_EMIT_PP_TXOFFSET_4                     46  /* tex4/1 */
0123 #define R200_EMIT_PP_TXOFFSET_5                     47  /* tex5/1 */
0124 #define R200_EMIT_VTE_CNTL                          48  /* vte/1 */
0125 #define R200_EMIT_OUTPUT_VTX_COMP_SEL               49  /* vtx/1 */
0126 #define R200_EMIT_PP_TAM_DEBUG3                     50  /* tam/1 */
0127 #define R200_EMIT_PP_CNTL_X                         51  /* cst/1 */
0128 #define R200_EMIT_RB3D_DEPTHXY_OFFSET               52  /* cst/1 */
0129 #define R200_EMIT_RE_AUX_SCISSOR_CNTL               53  /* cst/1 */
0130 #define R200_EMIT_RE_SCISSOR_TL_0                   54  /* cst/2 */
0131 #define R200_EMIT_RE_SCISSOR_TL_1                   55  /* cst/2 */
0132 #define R200_EMIT_RE_SCISSOR_TL_2                   56  /* cst/2 */
0133 #define R200_EMIT_SE_VAP_CNTL_STATUS                57  /* cst/1 */
0134 #define R200_EMIT_SE_VTX_STATE_CNTL                 58  /* cst/1 */
0135 #define R200_EMIT_RE_POINTSIZE                      59  /* cst/1 */
0136 #define R200_EMIT_TCL_INPUT_VTX_VECTOR_ADDR_0       60  /* cst/4 */
0137 #define R200_EMIT_PP_CUBIC_FACES_0                  61
0138 #define R200_EMIT_PP_CUBIC_OFFSETS_0                62
0139 #define R200_EMIT_PP_CUBIC_FACES_1                  63
0140 #define R200_EMIT_PP_CUBIC_OFFSETS_1                64
0141 #define R200_EMIT_PP_CUBIC_FACES_2                  65
0142 #define R200_EMIT_PP_CUBIC_OFFSETS_2                66
0143 #define R200_EMIT_PP_CUBIC_FACES_3                  67
0144 #define R200_EMIT_PP_CUBIC_OFFSETS_3                68
0145 #define R200_EMIT_PP_CUBIC_FACES_4                  69
0146 #define R200_EMIT_PP_CUBIC_OFFSETS_4                70
0147 #define R200_EMIT_PP_CUBIC_FACES_5                  71
0148 #define R200_EMIT_PP_CUBIC_OFFSETS_5                72
0149 #define RADEON_EMIT_PP_TEX_SIZE_0                   73
0150 #define RADEON_EMIT_PP_TEX_SIZE_1                   74
0151 #define RADEON_EMIT_PP_TEX_SIZE_2                   75
0152 #define R200_EMIT_RB3D_BLENDCOLOR                   76
0153 #define R200_EMIT_TCL_POINT_SPRITE_CNTL             77
0154 #define RADEON_EMIT_PP_CUBIC_FACES_0                78
0155 #define RADEON_EMIT_PP_CUBIC_OFFSETS_T0             79
0156 #define RADEON_EMIT_PP_CUBIC_FACES_1                80
0157 #define RADEON_EMIT_PP_CUBIC_OFFSETS_T1             81
0158 #define RADEON_EMIT_PP_CUBIC_FACES_2                82
0159 #define RADEON_EMIT_PP_CUBIC_OFFSETS_T2             83
0160 #define R200_EMIT_PP_TRI_PERF_CNTL                  84
0161 #define R200_EMIT_PP_AFS_0                          85
0162 #define R200_EMIT_PP_AFS_1                          86
0163 #define R200_EMIT_ATF_TFACTOR                       87
0164 #define R200_EMIT_PP_TXCTLALL_0                     88
0165 #define R200_EMIT_PP_TXCTLALL_1                     89
0166 #define R200_EMIT_PP_TXCTLALL_2                     90
0167 #define R200_EMIT_PP_TXCTLALL_3                     91
0168 #define R200_EMIT_PP_TXCTLALL_4                     92
0169 #define R200_EMIT_PP_TXCTLALL_5                     93
0170 #define R200_EMIT_VAP_PVS_CNTL                      94
0171 #define RADEON_MAX_STATE_PACKETS                    95
0172 
0173 /* Commands understood by cmd_buffer ioctl.  More can be added but
0174  * obviously these can't be removed or changed:
0175  */
0176 #define RADEON_CMD_PACKET      1    /* emit one of the register packets above */
0177 #define RADEON_CMD_SCALARS     2    /* emit scalar data */
0178 #define RADEON_CMD_VECTORS     3    /* emit vector data */
0179 #define RADEON_CMD_DMA_DISCARD 4    /* discard current dma buf */
0180 #define RADEON_CMD_PACKET3     5    /* emit hw packet */
0181 #define RADEON_CMD_PACKET3_CLIP 6   /* emit hw packet wrapped in cliprects */
0182 #define RADEON_CMD_SCALARS2     7   /* r200 stopgap */
0183 #define RADEON_CMD_WAIT         8   /* emit hw wait commands -- note:
0184                      *  doesn't make the cpu wait, just
0185                      *  the graphics hardware */
0186 #define RADEON_CMD_VECLINEAR    9       /* another r200 stopgap */
0187 
0188 typedef union {
0189     int i;
0190     struct {
0191         unsigned char cmd_type, pad0, pad1, pad2;
0192     } header;
0193     struct {
0194         unsigned char cmd_type, packet_id, pad0, pad1;
0195     } packet;
0196     struct {
0197         unsigned char cmd_type, offset, stride, count;
0198     } scalars;
0199     struct {
0200         unsigned char cmd_type, offset, stride, count;
0201     } vectors;
0202     struct {
0203         unsigned char cmd_type, addr_lo, addr_hi, count;
0204     } veclinear;
0205     struct {
0206         unsigned char cmd_type, buf_idx, pad0, pad1;
0207     } dma;
0208     struct {
0209         unsigned char cmd_type, flags, pad0, pad1;
0210     } wait;
0211 } drm_radeon_cmd_header_t;
0212 
0213 #define RADEON_WAIT_2D  0x1
0214 #define RADEON_WAIT_3D  0x2
0215 
0216 /* Allowed parameters for R300_CMD_PACKET3
0217  */
0218 #define R300_CMD_PACKET3_CLEAR      0
0219 #define R300_CMD_PACKET3_RAW        1
0220 
0221 /* Commands understood by cmd_buffer ioctl for R300.
0222  * The interface has not been stabilized, so some of these may be removed
0223  * and eventually reordered before stabilization.
0224  */
0225 #define R300_CMD_PACKET0        1
0226 #define R300_CMD_VPU            2   /* emit vertex program upload */
0227 #define R300_CMD_PACKET3        3   /* emit a packet3 */
0228 #define R300_CMD_END3D          4   /* emit sequence ending 3d rendering */
0229 #define R300_CMD_CP_DELAY       5
0230 #define R300_CMD_DMA_DISCARD        6
0231 #define R300_CMD_WAIT           7
0232 #   define R300_WAIT_2D     0x1
0233 #   define R300_WAIT_3D     0x2
0234 /* these two defines are DOING IT WRONG - however
0235  * we have userspace which relies on using these.
0236  * The wait interface is backwards compat new 
0237  * code should use the NEW_WAIT defines below
0238  * THESE ARE NOT BIT FIELDS
0239  */
0240 #   define R300_WAIT_2D_CLEAN   0x3
0241 #   define R300_WAIT_3D_CLEAN   0x4
0242 
0243 #   define R300_NEW_WAIT_2D_3D  0x3
0244 #   define R300_NEW_WAIT_2D_2D_CLEAN    0x4
0245 #   define R300_NEW_WAIT_3D_3D_CLEAN    0x6
0246 #   define R300_NEW_WAIT_2D_2D_CLEAN_3D_3D_CLEAN    0x8
0247 
0248 #define R300_CMD_SCRATCH        8
0249 #define R300_CMD_R500FP                 9
0250 
0251 typedef union {
0252     unsigned int u;
0253     struct {
0254         unsigned char cmd_type, pad0, pad1, pad2;
0255     } header;
0256     struct {
0257         unsigned char cmd_type, count, reglo, reghi;
0258     } packet0;
0259     struct {
0260         unsigned char cmd_type, count, adrlo, adrhi;
0261     } vpu;
0262     struct {
0263         unsigned char cmd_type, packet, pad0, pad1;
0264     } packet3;
0265     struct {
0266         unsigned char cmd_type, packet;
0267         unsigned short count;   /* amount of packet2 to emit */
0268     } delay;
0269     struct {
0270         unsigned char cmd_type, buf_idx, pad0, pad1;
0271     } dma;
0272     struct {
0273         unsigned char cmd_type, flags, pad0, pad1;
0274     } wait;
0275     struct {
0276         unsigned char cmd_type, reg, n_bufs, flags;
0277     } scratch;
0278     struct {
0279         unsigned char cmd_type, count, adrlo, adrhi_flags;
0280     } r500fp;
0281 } drm_r300_cmd_header_t;
0282 
0283 #define RADEON_FRONT            0x1
0284 #define RADEON_BACK         0x2
0285 #define RADEON_DEPTH            0x4
0286 #define RADEON_STENCIL          0x8
0287 #define RADEON_CLEAR_FASTZ      0x80000000
0288 #define RADEON_USE_HIERZ        0x40000000
0289 #define RADEON_USE_COMP_ZBUF        0x20000000
0290 
0291 #define R500FP_CONSTANT_TYPE  (1 << 1)
0292 #define R500FP_CONSTANT_CLAMP (1 << 2)
0293 
0294 /* Primitive types
0295  */
0296 #define RADEON_POINTS           0x1
0297 #define RADEON_LINES            0x2
0298 #define RADEON_LINE_STRIP       0x3
0299 #define RADEON_TRIANGLES        0x4
0300 #define RADEON_TRIANGLE_FAN     0x5
0301 #define RADEON_TRIANGLE_STRIP       0x6
0302 
0303 /* Vertex/indirect buffer size
0304  */
0305 #define RADEON_BUFFER_SIZE      65536
0306 
0307 /* Byte offsets for indirect buffer data
0308  */
0309 #define RADEON_INDEX_PRIM_OFFSET    20
0310 
0311 #define RADEON_SCRATCH_REG_OFFSET   32
0312 
0313 #define R600_SCRATCH_REG_OFFSET         256
0314 
0315 #define RADEON_NR_SAREA_CLIPRECTS   12
0316 
0317 /* There are 2 heaps (local/GART).  Each region within a heap is a
0318  * minimum of 64k, and there are at most 64 of them per heap.
0319  */
0320 #define RADEON_LOCAL_TEX_HEAP       0
0321 #define RADEON_GART_TEX_HEAP        1
0322 #define RADEON_NR_TEX_HEAPS     2
0323 #define RADEON_NR_TEX_REGIONS       64
0324 #define RADEON_LOG_TEX_GRANULARITY  16
0325 
0326 #define RADEON_MAX_TEXTURE_LEVELS   12
0327 #define RADEON_MAX_TEXTURE_UNITS    3
0328 
0329 #define RADEON_MAX_SURFACES     8
0330 
0331 /* Blits have strict offset rules.  All blit offset must be aligned on
0332  * a 1K-byte boundary.
0333  */
0334 #define RADEON_OFFSET_SHIFT             10
0335 #define RADEON_OFFSET_ALIGN             (1 << RADEON_OFFSET_SHIFT)
0336 #define RADEON_OFFSET_MASK              (RADEON_OFFSET_ALIGN - 1)
0337 
0338 #endif              /* __RADEON_SAREA_DEFINES__ */
0339 
0340 typedef struct {
0341     unsigned int red;
0342     unsigned int green;
0343     unsigned int blue;
0344     unsigned int alpha;
0345 } radeon_color_regs_t;
0346 
0347 typedef struct {
0348     /* Context state */
0349     unsigned int pp_misc;   /* 0x1c14 */
0350     unsigned int pp_fog_color;
0351     unsigned int re_solid_color;
0352     unsigned int rb3d_blendcntl;
0353     unsigned int rb3d_depthoffset;
0354     unsigned int rb3d_depthpitch;
0355     unsigned int rb3d_zstencilcntl;
0356 
0357     unsigned int pp_cntl;   /* 0x1c38 */
0358     unsigned int rb3d_cntl;
0359     unsigned int rb3d_coloroffset;
0360     unsigned int re_width_height;
0361     unsigned int rb3d_colorpitch;
0362     unsigned int se_cntl;
0363 
0364     /* Vertex format state */
0365     unsigned int se_coord_fmt;  /* 0x1c50 */
0366 
0367     /* Line state */
0368     unsigned int re_line_pattern;   /* 0x1cd0 */
0369     unsigned int re_line_state;
0370 
0371     unsigned int se_line_width; /* 0x1db8 */
0372 
0373     /* Bumpmap state */
0374     unsigned int pp_lum_matrix; /* 0x1d00 */
0375 
0376     unsigned int pp_rot_matrix_0;   /* 0x1d58 */
0377     unsigned int pp_rot_matrix_1;
0378 
0379     /* Mask state */
0380     unsigned int rb3d_stencilrefmask;   /* 0x1d7c */
0381     unsigned int rb3d_ropcntl;
0382     unsigned int rb3d_planemask;
0383 
0384     /* Viewport state */
0385     unsigned int se_vport_xscale;   /* 0x1d98 */
0386     unsigned int se_vport_xoffset;
0387     unsigned int se_vport_yscale;
0388     unsigned int se_vport_yoffset;
0389     unsigned int se_vport_zscale;
0390     unsigned int se_vport_zoffset;
0391 
0392     /* Setup state */
0393     unsigned int se_cntl_status;    /* 0x2140 */
0394 
0395     /* Misc state */
0396     unsigned int re_top_left;   /* 0x26c0 */
0397     unsigned int re_misc;
0398 } drm_radeon_context_regs_t;
0399 
0400 typedef struct {
0401     /* Zbias state */
0402     unsigned int se_zbias_factor;   /* 0x1dac */
0403     unsigned int se_zbias_constant;
0404 } drm_radeon_context2_regs_t;
0405 
0406 /* Setup registers for each texture unit
0407  */
0408 typedef struct {
0409     unsigned int pp_txfilter;
0410     unsigned int pp_txformat;
0411     unsigned int pp_txoffset;
0412     unsigned int pp_txcblend;
0413     unsigned int pp_txablend;
0414     unsigned int pp_tfactor;
0415     unsigned int pp_border_color;
0416 } drm_radeon_texture_regs_t;
0417 
0418 typedef struct {
0419     unsigned int start;
0420     unsigned int finish;
0421     unsigned int prim:8;
0422     unsigned int stateidx:8;
0423     unsigned int numverts:16;   /* overloaded as offset/64 for elt prims */
0424     unsigned int vc_format; /* vertex format */
0425 } drm_radeon_prim_t;
0426 
0427 typedef struct {
0428     drm_radeon_context_regs_t context;
0429     drm_radeon_texture_regs_t tex[RADEON_MAX_TEXTURE_UNITS];
0430     drm_radeon_context2_regs_t context2;
0431     unsigned int dirty;
0432 } drm_radeon_state_t;
0433 
0434 typedef struct {
0435     /* The channel for communication of state information to the
0436      * kernel on firing a vertex buffer with either of the
0437      * obsoleted vertex/index ioctls.
0438      */
0439     drm_radeon_context_regs_t context_state;
0440     drm_radeon_texture_regs_t tex_state[RADEON_MAX_TEXTURE_UNITS];
0441     unsigned int dirty;
0442     unsigned int vertsize;
0443     unsigned int vc_format;
0444 
0445     /* The current cliprects, or a subset thereof.
0446      */
0447     struct drm_clip_rect boxes[RADEON_NR_SAREA_CLIPRECTS];
0448     unsigned int nbox;
0449 
0450     /* Counters for client-side throttling of rendering clients.
0451      */
0452     unsigned int last_frame;
0453     unsigned int last_dispatch;
0454     unsigned int last_clear;
0455 
0456     struct drm_tex_region tex_list[RADEON_NR_TEX_HEAPS][RADEON_NR_TEX_REGIONS +
0457                                1];
0458     unsigned int tex_age[RADEON_NR_TEX_HEAPS];
0459     int ctx_owner;
0460     int pfState;        /* number of 3d windows (0,1,2ormore) */
0461     int pfCurrentPage;  /* which buffer is being displayed? */
0462     int crtc2_base;     /* CRTC2 frame offset */
0463     int tiling_enabled; /* set by drm, read by 2d + 3d clients */
0464 } drm_radeon_sarea_t;
0465 
0466 /* WARNING: If you change any of these defines, make sure to change the
0467  * defines in the Xserver file (xf86drmRadeon.h)
0468  *
0469  * KW: actually it's illegal to change any of this (backwards compatibility).
0470  */
0471 
0472 /* Radeon specific ioctls
0473  * The device specific ioctl range is 0x40 to 0x79.
0474  */
0475 #define DRM_RADEON_CP_INIT    0x00
0476 #define DRM_RADEON_CP_START   0x01
0477 #define DRM_RADEON_CP_STOP    0x02
0478 #define DRM_RADEON_CP_RESET   0x03
0479 #define DRM_RADEON_CP_IDLE    0x04
0480 #define DRM_RADEON_RESET      0x05
0481 #define DRM_RADEON_FULLSCREEN 0x06
0482 #define DRM_RADEON_SWAP       0x07
0483 #define DRM_RADEON_CLEAR      0x08
0484 #define DRM_RADEON_VERTEX     0x09
0485 #define DRM_RADEON_INDICES    0x0A
0486 #define DRM_RADEON_NOT_USED
0487 #define DRM_RADEON_STIPPLE    0x0C
0488 #define DRM_RADEON_INDIRECT   0x0D
0489 #define DRM_RADEON_TEXTURE    0x0E
0490 #define DRM_RADEON_VERTEX2    0x0F
0491 #define DRM_RADEON_CMDBUF     0x10
0492 #define DRM_RADEON_GETPARAM   0x11
0493 #define DRM_RADEON_FLIP       0x12
0494 #define DRM_RADEON_ALLOC      0x13
0495 #define DRM_RADEON_FREE       0x14
0496 #define DRM_RADEON_INIT_HEAP  0x15
0497 #define DRM_RADEON_IRQ_EMIT   0x16
0498 #define DRM_RADEON_IRQ_WAIT   0x17
0499 #define DRM_RADEON_CP_RESUME  0x18
0500 #define DRM_RADEON_SETPARAM   0x19
0501 #define DRM_RADEON_SURF_ALLOC 0x1a
0502 #define DRM_RADEON_SURF_FREE  0x1b
0503 /* KMS ioctl */
0504 #define DRM_RADEON_GEM_INFO     0x1c
0505 #define DRM_RADEON_GEM_CREATE       0x1d
0506 #define DRM_RADEON_GEM_MMAP     0x1e
0507 #define DRM_RADEON_GEM_PREAD        0x21
0508 #define DRM_RADEON_GEM_PWRITE       0x22
0509 #define DRM_RADEON_GEM_SET_DOMAIN   0x23
0510 #define DRM_RADEON_GEM_WAIT_IDLE    0x24
0511 #define DRM_RADEON_CS           0x26
0512 #define DRM_RADEON_INFO         0x27
0513 #define DRM_RADEON_GEM_SET_TILING   0x28
0514 #define DRM_RADEON_GEM_GET_TILING   0x29
0515 #define DRM_RADEON_GEM_BUSY     0x2a
0516 #define DRM_RADEON_GEM_VA       0x2b
0517 #define DRM_RADEON_GEM_OP       0x2c
0518 #define DRM_RADEON_GEM_USERPTR      0x2d
0519 
0520 #define DRM_IOCTL_RADEON_CP_INIT    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CP_INIT, drm_radeon_init_t)
0521 #define DRM_IOCTL_RADEON_CP_START   DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_START)
0522 #define DRM_IOCTL_RADEON_CP_STOP    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CP_STOP, drm_radeon_cp_stop_t)
0523 #define DRM_IOCTL_RADEON_CP_RESET   DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_RESET)
0524 #define DRM_IOCTL_RADEON_CP_IDLE    DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_IDLE)
0525 #define DRM_IOCTL_RADEON_RESET      DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_RESET)
0526 #define DRM_IOCTL_RADEON_FULLSCREEN DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_FULLSCREEN, drm_radeon_fullscreen_t)
0527 #define DRM_IOCTL_RADEON_SWAP       DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_SWAP)
0528 #define DRM_IOCTL_RADEON_CLEAR      DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CLEAR, drm_radeon_clear_t)
0529 #define DRM_IOCTL_RADEON_VERTEX     DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_VERTEX, drm_radeon_vertex_t)
0530 #define DRM_IOCTL_RADEON_INDICES    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_INDICES, drm_radeon_indices_t)
0531 #define DRM_IOCTL_RADEON_STIPPLE    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_STIPPLE, drm_radeon_stipple_t)
0532 #define DRM_IOCTL_RADEON_INDIRECT   DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_INDIRECT, drm_radeon_indirect_t)
0533 #define DRM_IOCTL_RADEON_TEXTURE    DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_TEXTURE, drm_radeon_texture_t)
0534 #define DRM_IOCTL_RADEON_VERTEX2    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_VERTEX2, drm_radeon_vertex2_t)
0535 #define DRM_IOCTL_RADEON_CMDBUF     DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CMDBUF, drm_radeon_cmd_buffer_t)
0536 #define DRM_IOCTL_RADEON_GETPARAM   DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GETPARAM, drm_radeon_getparam_t)
0537 #define DRM_IOCTL_RADEON_FLIP       DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_FLIP)
0538 #define DRM_IOCTL_RADEON_ALLOC      DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_ALLOC, drm_radeon_mem_alloc_t)
0539 #define DRM_IOCTL_RADEON_FREE       DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_FREE, drm_radeon_mem_free_t)
0540 #define DRM_IOCTL_RADEON_INIT_HEAP  DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_INIT_HEAP, drm_radeon_mem_init_heap_t)
0541 #define DRM_IOCTL_RADEON_IRQ_EMIT   DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_IRQ_EMIT, drm_radeon_irq_emit_t)
0542 #define DRM_IOCTL_RADEON_IRQ_WAIT   DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_IRQ_WAIT, drm_radeon_irq_wait_t)
0543 #define DRM_IOCTL_RADEON_CP_RESUME  DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_RESUME)
0544 #define DRM_IOCTL_RADEON_SETPARAM   DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_SETPARAM, drm_radeon_setparam_t)
0545 #define DRM_IOCTL_RADEON_SURF_ALLOC DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_SURF_ALLOC, drm_radeon_surface_alloc_t)
0546 #define DRM_IOCTL_RADEON_SURF_FREE  DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_SURF_FREE, drm_radeon_surface_free_t)
0547 /* KMS */
0548 #define DRM_IOCTL_RADEON_GEM_INFO   DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_INFO, struct drm_radeon_gem_info)
0549 #define DRM_IOCTL_RADEON_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_CREATE, struct drm_radeon_gem_create)
0550 #define DRM_IOCTL_RADEON_GEM_MMAP   DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_MMAP, struct drm_radeon_gem_mmap)
0551 #define DRM_IOCTL_RADEON_GEM_PREAD  DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_PREAD, struct drm_radeon_gem_pread)
0552 #define DRM_IOCTL_RADEON_GEM_PWRITE DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_PWRITE, struct drm_radeon_gem_pwrite)
0553 #define DRM_IOCTL_RADEON_GEM_SET_DOMAIN DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_SET_DOMAIN, struct drm_radeon_gem_set_domain)
0554 #define DRM_IOCTL_RADEON_GEM_WAIT_IDLE  DRM_IOW(DRM_COMMAND_BASE + DRM_RADEON_GEM_WAIT_IDLE, struct drm_radeon_gem_wait_idle)
0555 #define DRM_IOCTL_RADEON_CS     DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_CS, struct drm_radeon_cs)
0556 #define DRM_IOCTL_RADEON_INFO       DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_INFO, struct drm_radeon_info)
0557 #define DRM_IOCTL_RADEON_GEM_SET_TILING DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_SET_TILING, struct drm_radeon_gem_set_tiling)
0558 #define DRM_IOCTL_RADEON_GEM_GET_TILING DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_GET_TILING, struct drm_radeon_gem_get_tiling)
0559 #define DRM_IOCTL_RADEON_GEM_BUSY   DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_BUSY, struct drm_radeon_gem_busy)
0560 #define DRM_IOCTL_RADEON_GEM_VA     DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_VA, struct drm_radeon_gem_va)
0561 #define DRM_IOCTL_RADEON_GEM_OP     DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_OP, struct drm_radeon_gem_op)
0562 #define DRM_IOCTL_RADEON_GEM_USERPTR    DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_USERPTR, struct drm_radeon_gem_userptr)
0563 
0564 typedef struct drm_radeon_init {
0565     enum {
0566         RADEON_INIT_CP = 0x01,
0567         RADEON_CLEANUP_CP = 0x02,
0568         RADEON_INIT_R200_CP = 0x03,
0569         RADEON_INIT_R300_CP = 0x04,
0570         RADEON_INIT_R600_CP = 0x05
0571     } func;
0572     unsigned long sarea_priv_offset;
0573     int is_pci;
0574     int cp_mode;
0575     int gart_size;
0576     int ring_size;
0577     int usec_timeout;
0578 
0579     unsigned int fb_bpp;
0580     unsigned int front_offset, front_pitch;
0581     unsigned int back_offset, back_pitch;
0582     unsigned int depth_bpp;
0583     unsigned int depth_offset, depth_pitch;
0584 
0585     unsigned long fb_offset;
0586     unsigned long mmio_offset;
0587     unsigned long ring_offset;
0588     unsigned long ring_rptr_offset;
0589     unsigned long buffers_offset;
0590     unsigned long gart_textures_offset;
0591 } drm_radeon_init_t;
0592 
0593 typedef struct drm_radeon_cp_stop {
0594     int flush;
0595     int idle;
0596 } drm_radeon_cp_stop_t;
0597 
0598 typedef struct drm_radeon_fullscreen {
0599     enum {
0600         RADEON_INIT_FULLSCREEN = 0x01,
0601         RADEON_CLEANUP_FULLSCREEN = 0x02
0602     } func;
0603 } drm_radeon_fullscreen_t;
0604 
0605 #define CLEAR_X1    0
0606 #define CLEAR_Y1    1
0607 #define CLEAR_X2    2
0608 #define CLEAR_Y2    3
0609 #define CLEAR_DEPTH 4
0610 
0611 typedef union drm_radeon_clear_rect {
0612     float f[5];
0613     unsigned int ui[5];
0614 } drm_radeon_clear_rect_t;
0615 
0616 typedef struct drm_radeon_clear {
0617     unsigned int flags;
0618     unsigned int clear_color;
0619     unsigned int clear_depth;
0620     unsigned int color_mask;
0621     unsigned int depth_mask;    /* misnamed field:  should be stencil */
0622     drm_radeon_clear_rect_t *depth_boxes;
0623 } drm_radeon_clear_t;
0624 
0625 typedef struct drm_radeon_vertex {
0626     int prim;
0627     int idx;        /* Index of vertex buffer */
0628     int count;      /* Number of vertices in buffer */
0629     int discard;        /* Client finished with buffer? */
0630 } drm_radeon_vertex_t;
0631 
0632 typedef struct drm_radeon_indices {
0633     int prim;
0634     int idx;
0635     int start;
0636     int end;
0637     int discard;        /* Client finished with buffer? */
0638 } drm_radeon_indices_t;
0639 
0640 /* v1.2 - obsoletes drm_radeon_vertex and drm_radeon_indices
0641  *      - allows multiple primitives and state changes in a single ioctl
0642  *      - supports driver change to emit native primitives
0643  */
0644 typedef struct drm_radeon_vertex2 {
0645     int idx;        /* Index of vertex buffer */
0646     int discard;        /* Client finished with buffer? */
0647     int nr_states;
0648     drm_radeon_state_t *state;
0649     int nr_prims;
0650     drm_radeon_prim_t *prim;
0651 } drm_radeon_vertex2_t;
0652 
0653 /* v1.3 - obsoletes drm_radeon_vertex2
0654  *      - allows arbitrarily large cliprect list
0655  *      - allows updating of tcl packet, vector and scalar state
0656  *      - allows memory-efficient description of state updates
0657  *      - allows state to be emitted without a primitive
0658  *           (for clears, ctx switches)
0659  *      - allows more than one dma buffer to be referenced per ioctl
0660  *      - supports tcl driver
0661  *      - may be extended in future versions with new cmd types, packets
0662  */
0663 typedef struct drm_radeon_cmd_buffer {
0664     int bufsz;
0665     char *buf;
0666     int nbox;
0667     struct drm_clip_rect *boxes;
0668 } drm_radeon_cmd_buffer_t;
0669 
0670 typedef struct drm_radeon_tex_image {
0671     unsigned int x, y;  /* Blit coordinates */
0672     unsigned int width, height;
0673     const void *data;
0674 } drm_radeon_tex_image_t;
0675 
0676 typedef struct drm_radeon_texture {
0677     unsigned int offset;
0678     int pitch;
0679     int format;
0680     int width;      /* Texture image coordinates */
0681     int height;
0682     drm_radeon_tex_image_t *image;
0683 } drm_radeon_texture_t;
0684 
0685 typedef struct drm_radeon_stipple {
0686     unsigned int *mask;
0687 } drm_radeon_stipple_t;
0688 
0689 typedef struct drm_radeon_indirect {
0690     int idx;
0691     int start;
0692     int end;
0693     int discard;
0694 } drm_radeon_indirect_t;
0695 
0696 /* enum for card type parameters */
0697 #define RADEON_CARD_PCI 0
0698 #define RADEON_CARD_AGP 1
0699 #define RADEON_CARD_PCIE 2
0700 
0701 /* 1.3: An ioctl to get parameters that aren't available to the 3d
0702  * client any other way.
0703  */
0704 #define RADEON_PARAM_GART_BUFFER_OFFSET    1    /* card offset of 1st GART buffer */
0705 #define RADEON_PARAM_LAST_FRAME            2
0706 #define RADEON_PARAM_LAST_DISPATCH         3
0707 #define RADEON_PARAM_LAST_CLEAR            4
0708 /* Added with DRM version 1.6. */
0709 #define RADEON_PARAM_IRQ_NR                5
0710 #define RADEON_PARAM_GART_BASE             6    /* card offset of GART base */
0711 /* Added with DRM version 1.8. */
0712 #define RADEON_PARAM_REGISTER_HANDLE       7    /* for drmMap() */
0713 #define RADEON_PARAM_STATUS_HANDLE         8
0714 #define RADEON_PARAM_SAREA_HANDLE          9
0715 #define RADEON_PARAM_GART_TEX_HANDLE       10
0716 #define RADEON_PARAM_SCRATCH_OFFSET        11
0717 #define RADEON_PARAM_CARD_TYPE             12
0718 #define RADEON_PARAM_VBLANK_CRTC           13   /* VBLANK CRTC */
0719 #define RADEON_PARAM_FB_LOCATION           14   /* FB location */
0720 #define RADEON_PARAM_NUM_GB_PIPES          15   /* num GB pipes */
0721 #define RADEON_PARAM_DEVICE_ID             16
0722 #define RADEON_PARAM_NUM_Z_PIPES           17   /* num Z pipes */
0723 
0724 typedef struct drm_radeon_getparam {
0725     int param;
0726     void *value;
0727 } drm_radeon_getparam_t;
0728 
0729 /* 1.6: Set up a memory manager for regions of shared memory:
0730  */
0731 #define RADEON_MEM_REGION_GART 1
0732 #define RADEON_MEM_REGION_FB   2
0733 
0734 typedef struct drm_radeon_mem_alloc {
0735     int region;
0736     int alignment;
0737     int size;
0738     int *region_offset; /* offset from start of fb or GART */
0739 } drm_radeon_mem_alloc_t;
0740 
0741 typedef struct drm_radeon_mem_free {
0742     int region;
0743     int region_offset;
0744 } drm_radeon_mem_free_t;
0745 
0746 typedef struct drm_radeon_mem_init_heap {
0747     int region;
0748     int size;
0749     int start;
0750 } drm_radeon_mem_init_heap_t;
0751 
0752 /* 1.6: Userspace can request & wait on irq's:
0753  */
0754 typedef struct drm_radeon_irq_emit {
0755     int *irq_seq;
0756 } drm_radeon_irq_emit_t;
0757 
0758 typedef struct drm_radeon_irq_wait {
0759     int irq_seq;
0760 } drm_radeon_irq_wait_t;
0761 
0762 /* 1.10: Clients tell the DRM where they think the framebuffer is located in
0763  * the card's address space, via a new generic ioctl to set parameters
0764  */
0765 
0766 typedef struct drm_radeon_setparam {
0767     unsigned int param;
0768     __s64 value;
0769 } drm_radeon_setparam_t;
0770 
0771 #define RADEON_SETPARAM_FB_LOCATION    1    /* determined framebuffer location */
0772 #define RADEON_SETPARAM_SWITCH_TILING  2    /* enable/disable color tiling */
0773 #define RADEON_SETPARAM_PCIGART_LOCATION 3  /* PCI Gart Location */
0774 #define RADEON_SETPARAM_NEW_MEMMAP 4        /* Use new memory map */
0775 #define RADEON_SETPARAM_PCIGART_TABLE_SIZE 5    /* PCI GART Table Size */
0776 #define RADEON_SETPARAM_VBLANK_CRTC 6           /* VBLANK CRTC */
0777 /* 1.14: Clients can allocate/free a surface
0778  */
0779 typedef struct drm_radeon_surface_alloc {
0780     unsigned int address;
0781     unsigned int size;
0782     unsigned int flags;
0783 } drm_radeon_surface_alloc_t;
0784 
0785 typedef struct drm_radeon_surface_free {
0786     unsigned int address;
0787 } drm_radeon_surface_free_t;
0788 
0789 #define DRM_RADEON_VBLANK_CRTC1     1
0790 #define DRM_RADEON_VBLANK_CRTC2     2
0791 
0792 /*
0793  * Kernel modesetting world below.
0794  */
0795 #define RADEON_GEM_DOMAIN_CPU       0x1
0796 #define RADEON_GEM_DOMAIN_GTT       0x2
0797 #define RADEON_GEM_DOMAIN_VRAM      0x4
0798 
0799 struct drm_radeon_gem_info {
0800     __u64   gart_size;
0801     __u64   vram_size;
0802     __u64   vram_visible;
0803 };
0804 
0805 #define RADEON_GEM_NO_BACKING_STORE (1 << 0)
0806 #define RADEON_GEM_GTT_UC       (1 << 1)
0807 #define RADEON_GEM_GTT_WC       (1 << 2)
0808 /* BO is expected to be accessed by the CPU */
0809 #define RADEON_GEM_CPU_ACCESS       (1 << 3)
0810 /* CPU access is not expected to work for this BO */
0811 #define RADEON_GEM_NO_CPU_ACCESS    (1 << 4)
0812 
0813 struct drm_radeon_gem_create {
0814     __u64   size;
0815     __u64   alignment;
0816     __u32   handle;
0817     __u32   initial_domain;
0818     __u32   flags;
0819 };
0820 
0821 /*
0822  * This is not a reliable API and you should expect it to fail for any
0823  * number of reasons and have fallback path that do not use userptr to
0824  * perform any operation.
0825  */
0826 #define RADEON_GEM_USERPTR_READONLY (1 << 0)
0827 #define RADEON_GEM_USERPTR_ANONONLY (1 << 1)
0828 #define RADEON_GEM_USERPTR_VALIDATE (1 << 2)
0829 #define RADEON_GEM_USERPTR_REGISTER (1 << 3)
0830 
0831 struct drm_radeon_gem_userptr {
0832     __u64       addr;
0833     __u64       size;
0834     __u32       flags;
0835     __u32       handle;
0836 };
0837 
0838 #define RADEON_TILING_MACRO             0x1
0839 #define RADEON_TILING_MICRO             0x2
0840 #define RADEON_TILING_SWAP_16BIT            0x4
0841 #define RADEON_TILING_R600_NO_SCANOUT                   RADEON_TILING_SWAP_16BIT
0842 #define RADEON_TILING_SWAP_32BIT            0x8
0843 /* this object requires a surface when mapped - i.e. front buffer */
0844 #define RADEON_TILING_SURFACE               0x10
0845 #define RADEON_TILING_MICRO_SQUARE          0x20
0846 #define RADEON_TILING_EG_BANKW_SHIFT            8
0847 #define RADEON_TILING_EG_BANKW_MASK         0xf
0848 #define RADEON_TILING_EG_BANKH_SHIFT            12
0849 #define RADEON_TILING_EG_BANKH_MASK         0xf
0850 #define RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT    16
0851 #define RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK     0xf
0852 #define RADEON_TILING_EG_TILE_SPLIT_SHIFT       24
0853 #define RADEON_TILING_EG_TILE_SPLIT_MASK        0xf
0854 #define RADEON_TILING_EG_STENCIL_TILE_SPLIT_SHIFT   28
0855 #define RADEON_TILING_EG_STENCIL_TILE_SPLIT_MASK    0xf
0856 
0857 struct drm_radeon_gem_set_tiling {
0858     __u32   handle;
0859     __u32   tiling_flags;
0860     __u32   pitch;
0861 };
0862 
0863 struct drm_radeon_gem_get_tiling {
0864     __u32   handle;
0865     __u32   tiling_flags;
0866     __u32   pitch;
0867 };
0868 
0869 struct drm_radeon_gem_mmap {
0870     __u32   handle;
0871     __u32   pad;
0872     __u64   offset;
0873     __u64   size;
0874     __u64   addr_ptr;
0875 };
0876 
0877 struct drm_radeon_gem_set_domain {
0878     __u32   handle;
0879     __u32   read_domains;
0880     __u32   write_domain;
0881 };
0882 
0883 struct drm_radeon_gem_wait_idle {
0884     __u32   handle;
0885     __u32   pad;
0886 };
0887 
0888 struct drm_radeon_gem_busy {
0889     __u32   handle;
0890     __u32        domain;
0891 };
0892 
0893 struct drm_radeon_gem_pread {
0894     /** Handle for the object being read. */
0895     __u32 handle;
0896     __u32 pad;
0897     /** Offset into the object to read from */
0898     __u64 offset;
0899     /** Length of data to read */
0900     __u64 size;
0901     /** Pointer to write the data into. */
0902     /* void *, but pointers are not 32/64 compatible */
0903     __u64 data_ptr;
0904 };
0905 
0906 struct drm_radeon_gem_pwrite {
0907     /** Handle for the object being written to. */
0908     __u32 handle;
0909     __u32 pad;
0910     /** Offset into the object to write to */
0911     __u64 offset;
0912     /** Length of data to write */
0913     __u64 size;
0914     /** Pointer to read the data from. */
0915     /* void *, but pointers are not 32/64 compatible */
0916     __u64 data_ptr;
0917 };
0918 
0919 /* Sets or returns a value associated with a buffer. */
0920 struct drm_radeon_gem_op {
0921     __u32   handle; /* buffer */
0922     __u32   op;     /* RADEON_GEM_OP_* */
0923     __u64   value;  /* input or return value */
0924 };
0925 
0926 #define RADEON_GEM_OP_GET_INITIAL_DOMAIN    0
0927 #define RADEON_GEM_OP_SET_INITIAL_DOMAIN    1
0928 
0929 #define RADEON_VA_MAP           1
0930 #define RADEON_VA_UNMAP         2
0931 
0932 #define RADEON_VA_RESULT_OK     0
0933 #define RADEON_VA_RESULT_ERROR      1
0934 #define RADEON_VA_RESULT_VA_EXIST   2
0935 
0936 #define RADEON_VM_PAGE_VALID        (1 << 0)
0937 #define RADEON_VM_PAGE_READABLE     (1 << 1)
0938 #define RADEON_VM_PAGE_WRITEABLE    (1 << 2)
0939 #define RADEON_VM_PAGE_SYSTEM       (1 << 3)
0940 #define RADEON_VM_PAGE_SNOOPED      (1 << 4)
0941 
0942 struct drm_radeon_gem_va {
0943     __u32       handle;
0944     __u32       operation;
0945     __u32       vm_id;
0946     __u32       flags;
0947     __u64       offset;
0948 };
0949 
0950 #define RADEON_CHUNK_ID_RELOCS  0x01
0951 #define RADEON_CHUNK_ID_IB  0x02
0952 #define RADEON_CHUNK_ID_FLAGS   0x03
0953 #define RADEON_CHUNK_ID_CONST_IB    0x04
0954 
0955 /* The first dword of RADEON_CHUNK_ID_FLAGS is a uint32 of these flags: */
0956 #define RADEON_CS_KEEP_TILING_FLAGS 0x01
0957 #define RADEON_CS_USE_VM            0x02
0958 #define RADEON_CS_END_OF_FRAME      0x04 /* a hint from userspace which CS is the last one */
0959 /* The second dword of RADEON_CHUNK_ID_FLAGS is a uint32 that sets the ring type */
0960 #define RADEON_CS_RING_GFX          0
0961 #define RADEON_CS_RING_COMPUTE      1
0962 #define RADEON_CS_RING_DMA          2
0963 #define RADEON_CS_RING_UVD          3
0964 #define RADEON_CS_RING_VCE          4
0965 /* The third dword of RADEON_CHUNK_ID_FLAGS is a sint32 that sets the priority */
0966 /* 0 = normal, + = higher priority, - = lower priority */
0967 
0968 struct drm_radeon_cs_chunk {
0969     __u32       chunk_id;
0970     __u32       length_dw;
0971     __u64       chunk_data;
0972 };
0973 
0974 /* drm_radeon_cs_reloc.flags */
0975 #define RADEON_RELOC_PRIO_MASK      (0xf << 0)
0976 
0977 struct drm_radeon_cs_reloc {
0978     __u32       handle;
0979     __u32       read_domains;
0980     __u32       write_domain;
0981     __u32       flags;
0982 };
0983 
0984 struct drm_radeon_cs {
0985     __u32       num_chunks;
0986     __u32       cs_id;
0987     /* this points to __u64 * which point to cs chunks */
0988     __u64       chunks;
0989     /* updates to the limits after this CS ioctl */
0990     __u64       gart_limit;
0991     __u64       vram_limit;
0992 };
0993 
0994 #define RADEON_INFO_DEVICE_ID       0x00
0995 #define RADEON_INFO_NUM_GB_PIPES    0x01
0996 #define RADEON_INFO_NUM_Z_PIPES     0x02
0997 #define RADEON_INFO_ACCEL_WORKING   0x03
0998 #define RADEON_INFO_CRTC_FROM_ID    0x04
0999 #define RADEON_INFO_ACCEL_WORKING2  0x05
1000 #define RADEON_INFO_TILING_CONFIG   0x06
1001 #define RADEON_INFO_WANT_HYPERZ     0x07
1002 #define RADEON_INFO_WANT_CMASK      0x08 /* get access to CMASK on r300 */
1003 #define RADEON_INFO_CLOCK_CRYSTAL_FREQ  0x09 /* clock crystal frequency */
1004 #define RADEON_INFO_NUM_BACKENDS    0x0a /* DB/backends for r600+ - need for OQ */
1005 #define RADEON_INFO_NUM_TILE_PIPES  0x0b /* tile pipes for r600+ */
1006 #define RADEON_INFO_FUSION_GART_WORKING 0x0c /* fusion writes to GTT were broken before this */
1007 #define RADEON_INFO_BACKEND_MAP     0x0d /* pipe to backend map, needed by mesa */
1008 /* virtual address start, va < start are reserved by the kernel */
1009 #define RADEON_INFO_VA_START        0x0e
1010 /* maximum size of ib using the virtual memory cs */
1011 #define RADEON_INFO_IB_VM_MAX_SIZE  0x0f
1012 /* max pipes - needed for compute shaders */
1013 #define RADEON_INFO_MAX_PIPES       0x10
1014 /* timestamp for GL_ARB_timer_query (OpenGL), returns the current GPU clock */
1015 #define RADEON_INFO_TIMESTAMP       0x11
1016 /* max shader engines (SE) - needed for geometry shaders, etc. */
1017 #define RADEON_INFO_MAX_SE      0x12
1018 /* max SH per SE */
1019 #define RADEON_INFO_MAX_SH_PER_SE   0x13
1020 /* fast fb access is enabled */
1021 #define RADEON_INFO_FASTFB_WORKING  0x14
1022 /* query if a RADEON_CS_RING_* submission is supported */
1023 #define RADEON_INFO_RING_WORKING    0x15
1024 /* SI tile mode array */
1025 #define RADEON_INFO_SI_TILE_MODE_ARRAY  0x16
1026 /* query if CP DMA is supported on the compute ring */
1027 #define RADEON_INFO_SI_CP_DMA_COMPUTE   0x17
1028 /* CIK macrotile mode array */
1029 #define RADEON_INFO_CIK_MACROTILE_MODE_ARRAY    0x18
1030 /* query the number of render backends */
1031 #define RADEON_INFO_SI_BACKEND_ENABLED_MASK 0x19
1032 /* max engine clock - needed for OpenCL */
1033 #define RADEON_INFO_MAX_SCLK        0x1a
1034 /* version of VCE firmware */
1035 #define RADEON_INFO_VCE_FW_VERSION  0x1b
1036 /* version of VCE feedback */
1037 #define RADEON_INFO_VCE_FB_VERSION  0x1c
1038 #define RADEON_INFO_NUM_BYTES_MOVED 0x1d
1039 #define RADEON_INFO_VRAM_USAGE      0x1e
1040 #define RADEON_INFO_GTT_USAGE       0x1f
1041 #define RADEON_INFO_ACTIVE_CU_COUNT 0x20
1042 #define RADEON_INFO_CURRENT_GPU_TEMP    0x21
1043 #define RADEON_INFO_CURRENT_GPU_SCLK    0x22
1044 #define RADEON_INFO_CURRENT_GPU_MCLK    0x23
1045 #define RADEON_INFO_READ_REG        0x24
1046 #define RADEON_INFO_VA_UNMAP_WORKING    0x25
1047 #define RADEON_INFO_GPU_RESET_COUNTER   0x26
1048 
1049 struct drm_radeon_info {
1050     __u32       request;
1051     __u32       pad;
1052     __u64       value;
1053 };
1054 
1055 /* Those correspond to the tile index to use, this is to explicitly state
1056  * the API that is implicitly defined by the tile mode array.
1057  */
1058 #define SI_TILE_MODE_COLOR_LINEAR_ALIGNED   8
1059 #define SI_TILE_MODE_COLOR_1D           13
1060 #define SI_TILE_MODE_COLOR_1D_SCANOUT       9
1061 #define SI_TILE_MODE_COLOR_2D_8BPP      14
1062 #define SI_TILE_MODE_COLOR_2D_16BPP     15
1063 #define SI_TILE_MODE_COLOR_2D_32BPP     16
1064 #define SI_TILE_MODE_COLOR_2D_64BPP     17
1065 #define SI_TILE_MODE_COLOR_2D_SCANOUT_16BPP 11
1066 #define SI_TILE_MODE_COLOR_2D_SCANOUT_32BPP 12
1067 #define SI_TILE_MODE_DEPTH_STENCIL_1D       4
1068 #define SI_TILE_MODE_DEPTH_STENCIL_2D       0
1069 #define SI_TILE_MODE_DEPTH_STENCIL_2D_2AA   3
1070 #define SI_TILE_MODE_DEPTH_STENCIL_2D_4AA   3
1071 #define SI_TILE_MODE_DEPTH_STENCIL_2D_8AA   2
1072 
1073 #define CIK_TILE_MODE_DEPTH_STENCIL_1D      5
1074 
1075 #if defined(__cplusplus)
1076 }
1077 #endif
1078 
1079 #endif