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@valinux.com>
29  *    Gareth Hughes <gareth@valinux.com>
30  *    Keith Whitwell <keith@tungstengraphics.com>
31  */
32 
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD: stable/9/sys/dev/drm2/radeon/radeon_drm.h 254885 2013-08-25 19:37:15Z dumbbell $");
35 
36 #ifndef __RADEON_DRM_H__
37 #define __RADEON_DRM_H__
38 
39 #include <dev/drm2/drm.h>
40 
41 /* WARNING: If you change any of these defines, make sure to change the
42  * defines in the X server file (radeon_sarea.h)
43  */
44 #ifndef __RADEON_SAREA_DEFINES__
45 #define __RADEON_SAREA_DEFINES__
46 
47 /* Old style state flags, required for sarea interface (1.1 and 1.2
48  * clears) and 1.2 drm_vertex2 ioctl.
49  */
50 #define RADEON_UPLOAD_CONTEXT		0x00000001
51 #define RADEON_UPLOAD_VERTFMT		0x00000002
52 #define RADEON_UPLOAD_LINE		0x00000004
53 #define RADEON_UPLOAD_BUMPMAP		0x00000008
54 #define RADEON_UPLOAD_MASKS		0x00000010
55 #define RADEON_UPLOAD_VIEWPORT		0x00000020
56 #define RADEON_UPLOAD_SETUP		0x00000040
57 #define RADEON_UPLOAD_TCL		0x00000080
58 #define RADEON_UPLOAD_MISC		0x00000100
59 #define RADEON_UPLOAD_TEX0		0x00000200
60 #define RADEON_UPLOAD_TEX1		0x00000400
61 #define RADEON_UPLOAD_TEX2		0x00000800
62 #define RADEON_UPLOAD_TEX0IMAGES	0x00001000
63 #define RADEON_UPLOAD_TEX1IMAGES	0x00002000
64 #define RADEON_UPLOAD_TEX2IMAGES	0x00004000
65 #define RADEON_UPLOAD_CLIPRECTS		0x00008000	/* handled client-side */
66 #define RADEON_REQUIRE_QUIESCENCE	0x00010000
67 #define RADEON_UPLOAD_ZBIAS		0x00020000	/* version 1.2 and newer */
68 #define RADEON_UPLOAD_ALL		0x003effff
69 #define RADEON_UPLOAD_CONTEXT_ALL       0x003e01ff
70 
71 /* New style per-packet identifiers for use in cmd_buffer ioctl with
72  * the RADEON_EMIT_PACKET command.  Comments relate new packets to old
73  * state bits and the packet size:
74  */
75 #define RADEON_EMIT_PP_MISC                         0	/* context/7 */
76 #define RADEON_EMIT_PP_CNTL                         1	/* context/3 */
77 #define RADEON_EMIT_RB3D_COLORPITCH                 2	/* context/1 */
78 #define RADEON_EMIT_RE_LINE_PATTERN                 3	/* line/2 */
79 #define RADEON_EMIT_SE_LINE_WIDTH                   4	/* line/1 */
80 #define RADEON_EMIT_PP_LUM_MATRIX                   5	/* bumpmap/1 */
81 #define RADEON_EMIT_PP_ROT_MATRIX_0                 6	/* bumpmap/2 */
82 #define RADEON_EMIT_RB3D_STENCILREFMASK             7	/* masks/3 */
83 #define RADEON_EMIT_SE_VPORT_XSCALE                 8	/* viewport/6 */
84 #define RADEON_EMIT_SE_CNTL                         9	/* setup/2 */
85 #define RADEON_EMIT_SE_CNTL_STATUS                  10	/* setup/1 */
86 #define RADEON_EMIT_RE_MISC                         11	/* misc/1 */
87 #define RADEON_EMIT_PP_TXFILTER_0                   12	/* tex0/6 */
88 #define RADEON_EMIT_PP_BORDER_COLOR_0               13	/* tex0/1 */
89 #define RADEON_EMIT_PP_TXFILTER_1                   14	/* tex1/6 */
90 #define RADEON_EMIT_PP_BORDER_COLOR_1               15	/* tex1/1 */
91 #define RADEON_EMIT_PP_TXFILTER_2                   16	/* tex2/6 */
92 #define RADEON_EMIT_PP_BORDER_COLOR_2               17	/* tex2/1 */
93 #define RADEON_EMIT_SE_ZBIAS_FACTOR                 18	/* zbias/2 */
94 #define RADEON_EMIT_SE_TCL_OUTPUT_VTX_FMT           19	/* tcl/11 */
95 #define RADEON_EMIT_SE_TCL_MATERIAL_EMMISSIVE_RED   20	/* material/17 */
96 #define R200_EMIT_PP_TXCBLEND_0                     21	/* tex0/4 */
97 #define R200_EMIT_PP_TXCBLEND_1                     22	/* tex1/4 */
98 #define R200_EMIT_PP_TXCBLEND_2                     23	/* tex2/4 */
99 #define R200_EMIT_PP_TXCBLEND_3                     24	/* tex3/4 */
100 #define R200_EMIT_PP_TXCBLEND_4                     25	/* tex4/4 */
101 #define R200_EMIT_PP_TXCBLEND_5                     26	/* tex5/4 */
102 #define R200_EMIT_PP_TXCBLEND_6                     27	/* /4 */
103 #define R200_EMIT_PP_TXCBLEND_7                     28	/* /4 */
104 #define R200_EMIT_TCL_LIGHT_MODEL_CTL_0             29	/* tcl/7 */
105 #define R200_EMIT_TFACTOR_0                         30	/* tf/7 */
106 #define R200_EMIT_VTX_FMT_0                         31	/* vtx/5 */
107 #define R200_EMIT_VAP_CTL                           32	/* vap/1 */
108 #define R200_EMIT_MATRIX_SELECT_0                   33	/* msl/5 */
109 #define R200_EMIT_TEX_PROC_CTL_2                    34	/* tcg/5 */
110 #define R200_EMIT_TCL_UCP_VERT_BLEND_CTL            35	/* tcl/1 */
111 #define R200_EMIT_PP_TXFILTER_0                     36	/* tex0/6 */
112 #define R200_EMIT_PP_TXFILTER_1                     37	/* tex1/6 */
113 #define R200_EMIT_PP_TXFILTER_2                     38	/* tex2/6 */
114 #define R200_EMIT_PP_TXFILTER_3                     39	/* tex3/6 */
115 #define R200_EMIT_PP_TXFILTER_4                     40	/* tex4/6 */
116 #define R200_EMIT_PP_TXFILTER_5                     41	/* tex5/6 */
117 #define R200_EMIT_PP_TXOFFSET_0                     42	/* tex0/1 */
118 #define R200_EMIT_PP_TXOFFSET_1                     43	/* tex1/1 */
119 #define R200_EMIT_PP_TXOFFSET_2                     44	/* tex2/1 */
120 #define R200_EMIT_PP_TXOFFSET_3                     45	/* tex3/1 */
121 #define R200_EMIT_PP_TXOFFSET_4                     46	/* tex4/1 */
122 #define R200_EMIT_PP_TXOFFSET_5                     47	/* tex5/1 */
123 #define R200_EMIT_VTE_CNTL                          48	/* vte/1 */
124 #define R200_EMIT_OUTPUT_VTX_COMP_SEL               49	/* vtx/1 */
125 #define R200_EMIT_PP_TAM_DEBUG3                     50	/* tam/1 */
126 #define R200_EMIT_PP_CNTL_X                         51	/* cst/1 */
127 #define R200_EMIT_RB3D_DEPTHXY_OFFSET               52	/* cst/1 */
128 #define R200_EMIT_RE_AUX_SCISSOR_CNTL               53	/* cst/1 */
129 #define R200_EMIT_RE_SCISSOR_TL_0                   54	/* cst/2 */
130 #define R200_EMIT_RE_SCISSOR_TL_1                   55	/* cst/2 */
131 #define R200_EMIT_RE_SCISSOR_TL_2                   56	/* cst/2 */
132 #define R200_EMIT_SE_VAP_CNTL_STATUS                57	/* cst/1 */
133 #define R200_EMIT_SE_VTX_STATE_CNTL                 58	/* cst/1 */
134 #define R200_EMIT_RE_POINTSIZE                      59	/* cst/1 */
135 #define R200_EMIT_TCL_INPUT_VTX_VECTOR_ADDR_0       60	/* cst/4 */
136 #define R200_EMIT_PP_CUBIC_FACES_0                  61
137 #define R200_EMIT_PP_CUBIC_OFFSETS_0                62
138 #define R200_EMIT_PP_CUBIC_FACES_1                  63
139 #define R200_EMIT_PP_CUBIC_OFFSETS_1                64
140 #define R200_EMIT_PP_CUBIC_FACES_2                  65
141 #define R200_EMIT_PP_CUBIC_OFFSETS_2                66
142 #define R200_EMIT_PP_CUBIC_FACES_3                  67
143 #define R200_EMIT_PP_CUBIC_OFFSETS_3                68
144 #define R200_EMIT_PP_CUBIC_FACES_4                  69
145 #define R200_EMIT_PP_CUBIC_OFFSETS_4                70
146 #define R200_EMIT_PP_CUBIC_FACES_5                  71
147 #define R200_EMIT_PP_CUBIC_OFFSETS_5                72
148 #define RADEON_EMIT_PP_TEX_SIZE_0                   73
149 #define RADEON_EMIT_PP_TEX_SIZE_1                   74
150 #define RADEON_EMIT_PP_TEX_SIZE_2                   75
151 #define R200_EMIT_RB3D_BLENDCOLOR                   76
152 #define R200_EMIT_TCL_POINT_SPRITE_CNTL             77
153 #define RADEON_EMIT_PP_CUBIC_FACES_0                78
154 #define RADEON_EMIT_PP_CUBIC_OFFSETS_T0             79
155 #define RADEON_EMIT_PP_CUBIC_FACES_1                80
156 #define RADEON_EMIT_PP_CUBIC_OFFSETS_T1             81
157 #define RADEON_EMIT_PP_CUBIC_FACES_2                82
158 #define RADEON_EMIT_PP_CUBIC_OFFSETS_T2             83
159 #define R200_EMIT_PP_TRI_PERF_CNTL                  84
160 #define R200_EMIT_PP_AFS_0                          85
161 #define R200_EMIT_PP_AFS_1                          86
162 #define R200_EMIT_ATF_TFACTOR                       87
163 #define R200_EMIT_PP_TXCTLALL_0                     88
164 #define R200_EMIT_PP_TXCTLALL_1                     89
165 #define R200_EMIT_PP_TXCTLALL_2                     90
166 #define R200_EMIT_PP_TXCTLALL_3                     91
167 #define R200_EMIT_PP_TXCTLALL_4                     92
168 #define R200_EMIT_PP_TXCTLALL_5                     93
169 #define R200_EMIT_VAP_PVS_CNTL                      94
170 #define RADEON_MAX_STATE_PACKETS                    95
171 
172 /* Commands understood by cmd_buffer ioctl.  More can be added but
173  * obviously these can't be removed or changed:
174  */
175 #define RADEON_CMD_PACKET      1	/* emit one of the register packets above */
176 #define RADEON_CMD_SCALARS     2	/* emit scalar data */
177 #define RADEON_CMD_VECTORS     3	/* emit vector data */
178 #define RADEON_CMD_DMA_DISCARD 4	/* discard current dma buf */
179 #define RADEON_CMD_PACKET3     5	/* emit hw packet */
180 #define RADEON_CMD_PACKET3_CLIP 6	/* emit hw packet wrapped in cliprects */
181 #define RADEON_CMD_SCALARS2     7	/* r200 stopgap */
182 #define RADEON_CMD_WAIT         8	/* emit hw wait commands -- note:
183 					 *  doesn't make the cpu wait, just
184 					 *  the graphics hardware */
185 #define RADEON_CMD_VECLINEAR	9       /* another r200 stopgap */
186 
187 typedef union {
188 	int i;
189 	struct {
190 		unsigned char cmd_type, pad0, pad1, pad2;
191 	} header;
192 	struct {
193 		unsigned char cmd_type, packet_id, pad0, pad1;
194 	} packet;
195 	struct {
196 		unsigned char cmd_type, offset, stride, count;
197 	} scalars;
198 	struct {
199 		unsigned char cmd_type, offset, stride, count;
200 	} vectors;
201 	struct {
202 		unsigned char cmd_type, addr_lo, addr_hi, count;
203 	} veclinear;
204 	struct {
205 		unsigned char cmd_type, buf_idx, pad0, pad1;
206 	} dma;
207 	struct {
208 		unsigned char cmd_type, flags, pad0, pad1;
209 	} wait;
210 } drm_radeon_cmd_header_t;
211 
212 #define RADEON_WAIT_2D  0x1
213 #define RADEON_WAIT_3D  0x2
214 
215 /* Allowed parameters for R300_CMD_PACKET3
216  */
217 #define R300_CMD_PACKET3_CLEAR		0
218 #define R300_CMD_PACKET3_RAW		1
219 
220 /* Commands understood by cmd_buffer ioctl for R300.
221  * The interface has not been stabilized, so some of these may be removed
222  * and eventually reordered before stabilization.
223  */
224 #define R300_CMD_PACKET0		1
225 #define R300_CMD_VPU			2	/* emit vertex program upload */
226 #define R300_CMD_PACKET3		3	/* emit a packet3 */
227 #define R300_CMD_END3D			4	/* emit sequence ending 3d rendering */
228 #define R300_CMD_CP_DELAY		5
229 #define R300_CMD_DMA_DISCARD		6
230 #define R300_CMD_WAIT			7
231 #	define R300_WAIT_2D		0x1
232 #	define R300_WAIT_3D		0x2
233 /* these two defines are DOING IT WRONG - however
234  * we have userspace which relies on using these.
235  * The wait interface is backwards compat new
236  * code should use the NEW_WAIT defines below
237  * THESE ARE NOT BIT FIELDS
238  */
239 #	define R300_WAIT_2D_CLEAN	0x3
240 #	define R300_WAIT_3D_CLEAN	0x4
241 
242 #	define R300_NEW_WAIT_2D_3D	0x3
243 #	define R300_NEW_WAIT_2D_2D_CLEAN	0x4
244 #	define R300_NEW_WAIT_3D_3D_CLEAN	0x6
245 #	define R300_NEW_WAIT_2D_2D_CLEAN_3D_3D_CLEAN	0x8
246 
247 #define R300_CMD_SCRATCH		8
248 #define R300_CMD_R500FP                 9
249 
250 typedef union {
251 	unsigned int u;
252 	struct {
253 		unsigned char cmd_type, pad0, pad1, pad2;
254 	} header;
255 	struct {
256 		unsigned char cmd_type, count, reglo, reghi;
257 	} packet0;
258 	struct {
259 		unsigned char cmd_type, count, adrlo, adrhi;
260 	} vpu;
261 	struct {
262 		unsigned char cmd_type, packet, pad0, pad1;
263 	} packet3;
264 	struct {
265 		unsigned char cmd_type, packet;
266 		unsigned short count;	/* amount of packet2 to emit */
267 	} delay;
268 	struct {
269 		unsigned char cmd_type, buf_idx, pad0, pad1;
270 	} dma;
271 	struct {
272 		unsigned char cmd_type, flags, pad0, pad1;
273 	} wait;
274 	struct {
275 		unsigned char cmd_type, reg, n_bufs, flags;
276 	} scratch;
277 	struct {
278 		unsigned char cmd_type, count, adrlo, adrhi_flags;
279 	} r500fp;
280 } drm_r300_cmd_header_t;
281 
282 #define RADEON_FRONT			0x1
283 #define RADEON_BACK			0x2
284 #define RADEON_DEPTH			0x4
285 #define RADEON_STENCIL			0x8
286 #define RADEON_CLEAR_FASTZ		0x80000000
287 #define RADEON_USE_HIERZ		0x40000000
288 #define RADEON_USE_COMP_ZBUF		0x20000000
289 
290 #define R500FP_CONSTANT_TYPE  (1 << 1)
291 #define R500FP_CONSTANT_CLAMP (1 << 2)
292 
293 /* Primitive types
294  */
295 #define RADEON_POINTS			0x1
296 #define RADEON_LINES			0x2
297 #define RADEON_LINE_STRIP		0x3
298 #define RADEON_TRIANGLES		0x4
299 #define RADEON_TRIANGLE_FAN		0x5
300 #define RADEON_TRIANGLE_STRIP		0x6
301 
302 /* Vertex/indirect buffer size
303  */
304 #define RADEON_BUFFER_SIZE		65536
305 
306 /* Byte offsets for indirect buffer data
307  */
308 #define RADEON_INDEX_PRIM_OFFSET	20
309 
310 #define RADEON_SCRATCH_REG_OFFSET	32
311 
312 #define R600_SCRATCH_REG_OFFSET         256
313 
314 #define RADEON_NR_SAREA_CLIPRECTS	12
315 
316 /* There are 2 heaps (local/GART).  Each region within a heap is a
317  * minimum of 64k, and there are at most 64 of them per heap.
318  */
319 #define RADEON_LOCAL_TEX_HEAP		0
320 #define RADEON_GART_TEX_HEAP		1
321 #define RADEON_NR_TEX_HEAPS		2
322 #define RADEON_NR_TEX_REGIONS		64
323 #define RADEON_LOG_TEX_GRANULARITY	16
324 
325 #define RADEON_MAX_TEXTURE_LEVELS	12
326 #define RADEON_MAX_TEXTURE_UNITS	3
327 
328 #define RADEON_MAX_SURFACES		8
329 
330 /* Blits have strict offset rules.  All blit offset must be aligned on
331  * a 1K-byte boundary.
332  */
333 #define RADEON_OFFSET_SHIFT             10
334 #define RADEON_OFFSET_ALIGN             (1 << RADEON_OFFSET_SHIFT)
335 #define RADEON_OFFSET_MASK              (RADEON_OFFSET_ALIGN - 1)
336 
337 #endif				/* __RADEON_SAREA_DEFINES__ */
338 
339 typedef struct {
340 	unsigned int red;
341 	unsigned int green;
342 	unsigned int blue;
343 	unsigned int alpha;
344 } radeon_color_regs_t;
345 
346 typedef struct {
347 	/* Context state */
348 	unsigned int pp_misc;	/* 0x1c14 */
349 	unsigned int pp_fog_color;
350 	unsigned int re_solid_color;
351 	unsigned int rb3d_blendcntl;
352 	unsigned int rb3d_depthoffset;
353 	unsigned int rb3d_depthpitch;
354 	unsigned int rb3d_zstencilcntl;
355 
356 	unsigned int pp_cntl;	/* 0x1c38 */
357 	unsigned int rb3d_cntl;
358 	unsigned int rb3d_coloroffset;
359 	unsigned int re_width_height;
360 	unsigned int rb3d_colorpitch;
361 	unsigned int se_cntl;
362 
363 	/* Vertex format state */
364 	unsigned int se_coord_fmt;	/* 0x1c50 */
365 
366 	/* Line state */
367 	unsigned int re_line_pattern;	/* 0x1cd0 */
368 	unsigned int re_line_state;
369 
370 	unsigned int se_line_width;	/* 0x1db8 */
371 
372 	/* Bumpmap state */
373 	unsigned int pp_lum_matrix;	/* 0x1d00 */
374 
375 	unsigned int pp_rot_matrix_0;	/* 0x1d58 */
376 	unsigned int pp_rot_matrix_1;
377 
378 	/* Mask state */
379 	unsigned int rb3d_stencilrefmask;	/* 0x1d7c */
380 	unsigned int rb3d_ropcntl;
381 	unsigned int rb3d_planemask;
382 
383 	/* Viewport state */
384 	unsigned int se_vport_xscale;	/* 0x1d98 */
385 	unsigned int se_vport_xoffset;
386 	unsigned int se_vport_yscale;
387 	unsigned int se_vport_yoffset;
388 	unsigned int se_vport_zscale;
389 	unsigned int se_vport_zoffset;
390 
391 	/* Setup state */
392 	unsigned int se_cntl_status;	/* 0x2140 */
393 
394 	/* Misc state */
395 	unsigned int re_top_left;	/* 0x26c0 */
396 	unsigned int re_misc;
397 } drm_radeon_context_regs_t;
398 
399 typedef struct {
400 	/* Zbias state */
401 	unsigned int se_zbias_factor;	/* 0x1dac */
402 	unsigned int se_zbias_constant;
403 } drm_radeon_context2_regs_t;
404 
405 /* Setup registers for each texture unit
406  */
407 typedef struct {
408 	unsigned int pp_txfilter;
409 	unsigned int pp_txformat;
410 	unsigned int pp_txoffset;
411 	unsigned int pp_txcblend;
412 	unsigned int pp_txablend;
413 	unsigned int pp_tfactor;
414 	unsigned int pp_border_color;
415 } drm_radeon_texture_regs_t;
416 
417 typedef struct {
418 	unsigned int start;
419 	unsigned int finish;
420 	unsigned int prim:8;
421 	unsigned int stateidx:8;
422 	unsigned int numverts:16;	/* overloaded as offset/64 for elt prims */
423 	unsigned int vc_format;	/* vertex format */
424 } drm_radeon_prim_t;
425 
426 typedef struct {
427 	drm_radeon_context_regs_t context;
428 	drm_radeon_texture_regs_t tex[RADEON_MAX_TEXTURE_UNITS];
429 	drm_radeon_context2_regs_t context2;
430 	unsigned int dirty;
431 } drm_radeon_state_t;
432 
433 typedef struct {
434 	/* The channel for communication of state information to the
435 	 * kernel on firing a vertex buffer with either of the
436 	 * obsoleted vertex/index ioctls.
437 	 */
438 	drm_radeon_context_regs_t context_state;
439 	drm_radeon_texture_regs_t tex_state[RADEON_MAX_TEXTURE_UNITS];
440 	unsigned int dirty;
441 	unsigned int vertsize;
442 	unsigned int vc_format;
443 
444 	/* The current cliprects, or a subset thereof.
445 	 */
446 	struct drm_clip_rect boxes[RADEON_NR_SAREA_CLIPRECTS];
447 	unsigned int nbox;
448 
449 	/* Counters for client-side throttling of rendering clients.
450 	 */
451 	unsigned int last_frame;
452 	unsigned int last_dispatch;
453 	unsigned int last_clear;
454 
455 	struct drm_tex_region tex_list[RADEON_NR_TEX_HEAPS][RADEON_NR_TEX_REGIONS +
456 						       1];
457 	unsigned int tex_age[RADEON_NR_TEX_HEAPS];
458 	int ctx_owner;
459 	int pfState;		/* number of 3d windows (0,1,2ormore) */
460 	int pfCurrentPage;	/* which buffer is being displayed? */
461 	int crtc2_base;		/* CRTC2 frame offset */
462 	int tiling_enabled;	/* set by drm, read by 2d + 3d clients */
463 } drm_radeon_sarea_t;
464 
465 /* WARNING: If you change any of these defines, make sure to change the
466  * defines in the Xserver file (xf86drmRadeon.h)
467  *
468  * KW: actually it's illegal to change any of this (backwards compatibility).
469  */
470 
471 /* Radeon specific ioctls
472  * The device specific ioctl range is 0x40 to 0x79.
473  */
474 #define DRM_RADEON_CP_INIT    0x00
475 #define DRM_RADEON_CP_START   0x01
476 #define DRM_RADEON_CP_STOP    0x02
477 #define DRM_RADEON_CP_RESET   0x03
478 #define DRM_RADEON_CP_IDLE    0x04
479 #define DRM_RADEON_RESET      0x05
480 #define DRM_RADEON_FULLSCREEN 0x06
481 #define DRM_RADEON_SWAP       0x07
482 #define DRM_RADEON_CLEAR      0x08
483 #define DRM_RADEON_VERTEX     0x09
484 #define DRM_RADEON_INDICES    0x0A
485 #define DRM_RADEON_NOT_USED
486 #define DRM_RADEON_STIPPLE    0x0C
487 #define DRM_RADEON_INDIRECT   0x0D
488 #define DRM_RADEON_TEXTURE    0x0E
489 #define DRM_RADEON_VERTEX2    0x0F
490 #define DRM_RADEON_CMDBUF     0x10
491 #define DRM_RADEON_GETPARAM   0x11
492 #define DRM_RADEON_FLIP       0x12
493 #define DRM_RADEON_ALLOC      0x13
494 #define DRM_RADEON_FREE       0x14
495 #define DRM_RADEON_INIT_HEAP  0x15
496 #define DRM_RADEON_IRQ_EMIT   0x16
497 #define DRM_RADEON_IRQ_WAIT   0x17
498 #define DRM_RADEON_CP_RESUME  0x18
499 #define DRM_RADEON_SETPARAM   0x19
500 #define DRM_RADEON_SURF_ALLOC 0x1a
501 #define DRM_RADEON_SURF_FREE  0x1b
502 /* KMS ioctl */
503 #define DRM_RADEON_GEM_INFO		0x1c
504 #define DRM_RADEON_GEM_CREATE		0x1d
505 #define DRM_RADEON_GEM_MMAP		0x1e
506 #define DRM_RADEON_GEM_PREAD		0x21
507 #define DRM_RADEON_GEM_PWRITE		0x22
508 #define DRM_RADEON_GEM_SET_DOMAIN	0x23
509 #define DRM_RADEON_GEM_WAIT_IDLE	0x24
510 #define DRM_RADEON_CS			0x26
511 #define DRM_RADEON_INFO			0x27
512 #define DRM_RADEON_GEM_SET_TILING	0x28
513 #define DRM_RADEON_GEM_GET_TILING	0x29
514 #define DRM_RADEON_GEM_BUSY		0x2a
515 #define DRM_RADEON_GEM_VA		0x2b
516 
517 #define DRM_IOCTL_RADEON_CP_INIT    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CP_INIT, drm_radeon_init_t)
518 #define DRM_IOCTL_RADEON_CP_START   DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_START)
519 #define DRM_IOCTL_RADEON_CP_STOP    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CP_STOP, drm_radeon_cp_stop_t)
520 #define DRM_IOCTL_RADEON_CP_RESET   DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_RESET)
521 #define DRM_IOCTL_RADEON_CP_IDLE    DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_IDLE)
522 #define DRM_IOCTL_RADEON_RESET      DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_RESET)
523 #define DRM_IOCTL_RADEON_FULLSCREEN DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_FULLSCREEN, drm_radeon_fullscreen_t)
524 #define DRM_IOCTL_RADEON_SWAP       DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_SWAP)
525 #define DRM_IOCTL_RADEON_CLEAR      DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CLEAR, drm_radeon_clear_t)
526 #define DRM_IOCTL_RADEON_VERTEX     DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_VERTEX, drm_radeon_vertex_t)
527 #define DRM_IOCTL_RADEON_INDICES    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_INDICES, drm_radeon_indices_t)
528 #define DRM_IOCTL_RADEON_STIPPLE    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_STIPPLE, drm_radeon_stipple_t)
529 #define DRM_IOCTL_RADEON_INDIRECT   DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_INDIRECT, drm_radeon_indirect_t)
530 #define DRM_IOCTL_RADEON_TEXTURE    DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_TEXTURE, drm_radeon_texture_t)
531 #define DRM_IOCTL_RADEON_VERTEX2    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_VERTEX2, drm_radeon_vertex2_t)
532 #define DRM_IOCTL_RADEON_CMDBUF     DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CMDBUF, drm_radeon_cmd_buffer_t)
533 #define DRM_IOCTL_RADEON_GETPARAM   DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GETPARAM, drm_radeon_getparam_t)
534 #define DRM_IOCTL_RADEON_FLIP       DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_FLIP)
535 #define DRM_IOCTL_RADEON_ALLOC      DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_ALLOC, drm_radeon_mem_alloc_t)
536 #define DRM_IOCTL_RADEON_FREE       DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_FREE, drm_radeon_mem_free_t)
537 #define DRM_IOCTL_RADEON_INIT_HEAP  DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_INIT_HEAP, drm_radeon_mem_init_heap_t)
538 #define DRM_IOCTL_RADEON_IRQ_EMIT   DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_IRQ_EMIT, drm_radeon_irq_emit_t)
539 #define DRM_IOCTL_RADEON_IRQ_WAIT   DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_IRQ_WAIT, drm_radeon_irq_wait_t)
540 #define DRM_IOCTL_RADEON_CP_RESUME  DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_RESUME)
541 #define DRM_IOCTL_RADEON_SETPARAM   DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_SETPARAM, drm_radeon_setparam_t)
542 #define DRM_IOCTL_RADEON_SURF_ALLOC DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_SURF_ALLOC, drm_radeon_surface_alloc_t)
543 #define DRM_IOCTL_RADEON_SURF_FREE  DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_SURF_FREE, drm_radeon_surface_free_t)
544 /* KMS */
545 #define DRM_IOCTL_RADEON_GEM_INFO	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_INFO, struct drm_radeon_gem_info)
546 #define DRM_IOCTL_RADEON_GEM_CREATE	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_CREATE, struct drm_radeon_gem_create)
547 #define DRM_IOCTL_RADEON_GEM_MMAP	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_MMAP, struct drm_radeon_gem_mmap)
548 #define DRM_IOCTL_RADEON_GEM_PREAD	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_PREAD, struct drm_radeon_gem_pread)
549 #define DRM_IOCTL_RADEON_GEM_PWRITE	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_PWRITE, struct drm_radeon_gem_pwrite)
550 #define DRM_IOCTL_RADEON_GEM_SET_DOMAIN	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_SET_DOMAIN, struct drm_radeon_gem_set_domain)
551 #define DRM_IOCTL_RADEON_GEM_WAIT_IDLE	DRM_IOW(DRM_COMMAND_BASE + DRM_RADEON_GEM_WAIT_IDLE, struct drm_radeon_gem_wait_idle)
552 #define DRM_IOCTL_RADEON_CS		DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_CS, struct drm_radeon_cs)
553 #define DRM_IOCTL_RADEON_INFO		DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_INFO, struct drm_radeon_info)
554 #define DRM_IOCTL_RADEON_GEM_SET_TILING	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_SET_TILING, struct drm_radeon_gem_set_tiling)
555 #define DRM_IOCTL_RADEON_GEM_GET_TILING	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_GET_TILING, struct drm_radeon_gem_get_tiling)
556 #define DRM_IOCTL_RADEON_GEM_BUSY	DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_BUSY, struct drm_radeon_gem_busy)
557 #define DRM_IOCTL_RADEON_GEM_VA		DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_VA, struct drm_radeon_gem_va)
558 
559 typedef struct drm_radeon_init {
560 	enum {
561 		RADEON_INIT_CP = 0x01,
562 		RADEON_CLEANUP_CP = 0x02,
563 		RADEON_INIT_R200_CP = 0x03,
564 		RADEON_INIT_R300_CP = 0x04,
565 		RADEON_INIT_R600_CP = 0x05
566 	} func;
567 	unsigned long sarea_priv_offset;
568 	int is_pci;
569 	int cp_mode;
570 	int gart_size;
571 	int ring_size;
572 	int usec_timeout;
573 
574 	unsigned int fb_bpp;
575 	unsigned int front_offset, front_pitch;
576 	unsigned int back_offset, back_pitch;
577 	unsigned int depth_bpp;
578 	unsigned int depth_offset, depth_pitch;
579 
580 	unsigned long fb_offset;
581 	unsigned long mmio_offset;
582 	unsigned long ring_offset;
583 	unsigned long ring_rptr_offset;
584 	unsigned long buffers_offset;
585 	unsigned long gart_textures_offset;
586 } drm_radeon_init_t;
587 
588 typedef struct drm_radeon_cp_stop {
589 	int flush;
590 	int idle;
591 } drm_radeon_cp_stop_t;
592 
593 typedef struct drm_radeon_fullscreen {
594 	enum {
595 		RADEON_INIT_FULLSCREEN = 0x01,
596 		RADEON_CLEANUP_FULLSCREEN = 0x02
597 	} func;
598 } drm_radeon_fullscreen_t;
599 
600 #define CLEAR_X1	0
601 #define CLEAR_Y1	1
602 #define CLEAR_X2	2
603 #define CLEAR_Y2	3
604 #define CLEAR_DEPTH	4
605 
606 typedef union drm_radeon_clear_rect {
607 	float f[5];
608 	unsigned int ui[5];
609 } drm_radeon_clear_rect_t;
610 
611 typedef struct drm_radeon_clear {
612 	unsigned int flags;
613 	unsigned int clear_color;
614 	unsigned int clear_depth;
615 	unsigned int color_mask;
616 	unsigned int depth_mask;	/* misnamed field:  should be stencil */
617 	drm_radeon_clear_rect_t __user *depth_boxes;
618 } drm_radeon_clear_t;
619 
620 typedef struct drm_radeon_vertex {
621 	int prim;
622 	int idx;		/* Index of vertex buffer */
623 	int count;		/* Number of vertices in buffer */
624 	int discard;		/* Client finished with buffer? */
625 } drm_radeon_vertex_t;
626 
627 typedef struct drm_radeon_indices {
628 	int prim;
629 	int idx;
630 	int start;
631 	int end;
632 	int discard;		/* Client finished with buffer? */
633 } drm_radeon_indices_t;
634 
635 /* v1.2 - obsoletes drm_radeon_vertex and drm_radeon_indices
636  *      - allows multiple primitives and state changes in a single ioctl
637  *      - supports driver change to emit native primitives
638  */
639 typedef struct drm_radeon_vertex2 {
640 	int idx;		/* Index of vertex buffer */
641 	int discard;		/* Client finished with buffer? */
642 	int nr_states;
643 	drm_radeon_state_t __user *state;
644 	int nr_prims;
645 	drm_radeon_prim_t __user *prim;
646 } drm_radeon_vertex2_t;
647 
648 /* v1.3 - obsoletes drm_radeon_vertex2
649  *      - allows arbitrarily large cliprect list
650  *      - allows updating of tcl packet, vector and scalar state
651  *      - allows memory-efficient description of state updates
652  *      - allows state to be emitted without a primitive
653  *           (for clears, ctx switches)
654  *      - allows more than one dma buffer to be referenced per ioctl
655  *      - supports tcl driver
656  *      - may be extended in future versions with new cmd types, packets
657  */
658 typedef struct drm_radeon_cmd_buffer {
659 	int bufsz;
660 	char __user *buf;
661 	int nbox;
662 	struct drm_clip_rect __user *boxes;
663 } drm_radeon_cmd_buffer_t;
664 
665 typedef struct drm_radeon_tex_image {
666 	unsigned int x, y;	/* Blit coordinates */
667 	unsigned int width, height;
668 	const void __user *data;
669 } drm_radeon_tex_image_t;
670 
671 typedef struct drm_radeon_texture {
672 	unsigned int offset;
673 	int pitch;
674 	int format;
675 	int width;		/* Texture image coordinates */
676 	int height;
677 	drm_radeon_tex_image_t __user *image;
678 } drm_radeon_texture_t;
679 
680 typedef struct drm_radeon_stipple {
681 	unsigned int __user *mask;
682 } drm_radeon_stipple_t;
683 
684 typedef struct drm_radeon_indirect {
685 	int idx;
686 	int start;
687 	int end;
688 	int discard;
689 } drm_radeon_indirect_t;
690 
691 /* enum for card type parameters */
692 #define RADEON_CARD_PCI 0
693 #define RADEON_CARD_AGP 1
694 #define RADEON_CARD_PCIE 2
695 
696 /* 1.3: An ioctl to get parameters that aren't available to the 3d
697  * client any other way.
698  */
699 #define RADEON_PARAM_GART_BUFFER_OFFSET    1	/* card offset of 1st GART buffer */
700 #define RADEON_PARAM_LAST_FRAME            2
701 #define RADEON_PARAM_LAST_DISPATCH         3
702 #define RADEON_PARAM_LAST_CLEAR            4
703 /* Added with DRM version 1.6. */
704 #define RADEON_PARAM_IRQ_NR                5
705 #define RADEON_PARAM_GART_BASE             6	/* card offset of GART base */
706 /* Added with DRM version 1.8. */
707 #define RADEON_PARAM_REGISTER_HANDLE       7	/* for drmMap() */
708 #define RADEON_PARAM_STATUS_HANDLE         8
709 #define RADEON_PARAM_SAREA_HANDLE          9
710 #define RADEON_PARAM_GART_TEX_HANDLE       10
711 #define RADEON_PARAM_SCRATCH_OFFSET        11
712 #define RADEON_PARAM_CARD_TYPE             12
713 #define RADEON_PARAM_VBLANK_CRTC           13   /* VBLANK CRTC */
714 #define RADEON_PARAM_FB_LOCATION           14   /* FB location */
715 #define RADEON_PARAM_NUM_GB_PIPES          15   /* num GB pipes */
716 #define RADEON_PARAM_DEVICE_ID             16
717 #define RADEON_PARAM_NUM_Z_PIPES           17   /* num Z pipes */
718 
719 typedef struct drm_radeon_getparam {
720 	int param;
721 	void __user *value;
722 } drm_radeon_getparam_t;
723 
724 /* 1.6: Set up a memory manager for regions of shared memory:
725  */
726 #define RADEON_MEM_REGION_GART 1
727 #define RADEON_MEM_REGION_FB   2
728 
729 typedef struct drm_radeon_mem_alloc {
730 	int region;
731 	int alignment;
732 	int size;
733 	int __user *region_offset;	/* offset from start of fb or GART */
734 } drm_radeon_mem_alloc_t;
735 
736 typedef struct drm_radeon_mem_free {
737 	int region;
738 	int region_offset;
739 } drm_radeon_mem_free_t;
740 
741 typedef struct drm_radeon_mem_init_heap {
742 	int region;
743 	int size;
744 	int start;
745 } drm_radeon_mem_init_heap_t;
746 
747 /* 1.6: Userspace can request & wait on irq's:
748  */
749 typedef struct drm_radeon_irq_emit {
750 	int __user *irq_seq;
751 } drm_radeon_irq_emit_t;
752 
753 typedef struct drm_radeon_irq_wait {
754 	int irq_seq;
755 } drm_radeon_irq_wait_t;
756 
757 /* 1.10: Clients tell the DRM where they think the framebuffer is located in
758  * the card's address space, via a new generic ioctl to set parameters
759  */
760 
761 typedef struct drm_radeon_setparam {
762 	unsigned int param;
763 	int64_t value;
764 } drm_radeon_setparam_t;
765 
766 #define RADEON_SETPARAM_FB_LOCATION    1	/* determined framebuffer location */
767 #define RADEON_SETPARAM_SWITCH_TILING  2	/* enable/disable color tiling */
768 #define RADEON_SETPARAM_PCIGART_LOCATION 3	/* PCI Gart Location */
769 #define RADEON_SETPARAM_NEW_MEMMAP 4		/* Use new memory map */
770 #define RADEON_SETPARAM_PCIGART_TABLE_SIZE 5    /* PCI GART Table Size */
771 #define RADEON_SETPARAM_VBLANK_CRTC 6           /* VBLANK CRTC */
772 /* 1.14: Clients can allocate/free a surface
773  */
774 typedef struct drm_radeon_surface_alloc {
775 	unsigned int address;
776 	unsigned int size;
777 	unsigned int flags;
778 } drm_radeon_surface_alloc_t;
779 
780 typedef struct drm_radeon_surface_free {
781 	unsigned int address;
782 } drm_radeon_surface_free_t;
783 
784 #define	DRM_RADEON_VBLANK_CRTC1		1
785 #define	DRM_RADEON_VBLANK_CRTC2		2
786 
787 /*
788  * Kernel modesetting world below.
789  */
790 #define RADEON_GEM_DOMAIN_CPU		0x1
791 #define RADEON_GEM_DOMAIN_GTT		0x2
792 #define RADEON_GEM_DOMAIN_VRAM		0x4
793 
794 struct drm_radeon_gem_info {
795 	uint64_t	gart_size;
796 	uint64_t	vram_size;
797 	uint64_t	vram_visible;
798 };
799 
800 #define RADEON_GEM_NO_BACKING_STORE 1
801 
802 struct drm_radeon_gem_create {
803 	uint64_t	size;
804 	uint64_t	alignment;
805 	uint32_t	handle;
806 	uint32_t	initial_domain;
807 	uint32_t	flags;
808 };
809 
810 #define RADEON_TILING_MACRO				0x1
811 #define RADEON_TILING_MICRO				0x2
812 #define RADEON_TILING_SWAP_16BIT			0x4
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 #define RADEON_VA_MAP			1
891 #define RADEON_VA_UNMAP			2
892 
893 #define RADEON_VA_RESULT_OK		0
894 #define RADEON_VA_RESULT_ERROR		1
895 #define RADEON_VA_RESULT_VA_EXIST	2
896 
897 #define RADEON_VM_PAGE_VALID		(1 << 0)
898 #define RADEON_VM_PAGE_READABLE		(1 << 1)
899 #define RADEON_VM_PAGE_WRITEABLE	(1 << 2)
900 #define RADEON_VM_PAGE_SYSTEM		(1 << 3)
901 #define RADEON_VM_PAGE_SNOOPED		(1 << 4)
902 
903 struct drm_radeon_gem_va {
904 	uint32_t		handle;
905 	uint32_t		operation;
906 	uint32_t		vm_id;
907 	uint32_t		flags;
908 	uint64_t		offset;
909 };
910 
911 #define RADEON_CHUNK_ID_RELOCS	0x01
912 #define RADEON_CHUNK_ID_IB	0x02
913 #define RADEON_CHUNK_ID_FLAGS	0x03
914 #define RADEON_CHUNK_ID_CONST_IB	0x04
915 
916 /* The first dword of RADEON_CHUNK_ID_FLAGS is a uint32 of these flags: */
917 #define RADEON_CS_KEEP_TILING_FLAGS 0x01
918 #define RADEON_CS_USE_VM            0x02
919 #define RADEON_CS_END_OF_FRAME      0x04 /* a hint from userspace which CS is the last one */
920 /* The second dword of RADEON_CHUNK_ID_FLAGS is a uint32 that sets the ring type */
921 #define RADEON_CS_RING_GFX          0
922 #define RADEON_CS_RING_COMPUTE      1
923 #define RADEON_CS_RING_DMA          2
924 /* The third dword of RADEON_CHUNK_ID_FLAGS is a sint32 that sets the priority */
925 /* 0 = normal, + = higher priority, - = lower priority */
926 
927 struct drm_radeon_cs_chunk {
928 	uint32_t		chunk_id;
929 	uint32_t		length_dw;
930 	uint64_t		chunk_data;
931 };
932 
933 /* drm_radeon_cs_reloc.flags */
934 
935 struct drm_radeon_cs_reloc {
936 	uint32_t		handle;
937 	uint32_t		read_domains;
938 	uint32_t		write_domain;
939 	uint32_t		flags;
940 };
941 
942 struct drm_radeon_cs {
943 	uint32_t		num_chunks;
944 	uint32_t		cs_id;
945 	/* this points to uint64_t * which point to cs chunks */
946 	uint64_t		chunks;
947 	/* updates to the limits after this CS ioctl */
948 	uint64_t		gart_limit;
949 	uint64_t		vram_limit;
950 };
951 
952 #define RADEON_INFO_DEVICE_ID		0x00
953 #define RADEON_INFO_NUM_GB_PIPES	0x01
954 #define RADEON_INFO_NUM_Z_PIPES 	0x02
955 #define RADEON_INFO_ACCEL_WORKING	0x03
956 #define RADEON_INFO_CRTC_FROM_ID	0x04
957 #define RADEON_INFO_ACCEL_WORKING2	0x05
958 #define RADEON_INFO_TILING_CONFIG	0x06
959 #define RADEON_INFO_WANT_HYPERZ		0x07
960 #define RADEON_INFO_WANT_CMASK		0x08 /* get access to CMASK on r300 */
961 #define RADEON_INFO_CLOCK_CRYSTAL_FREQ	0x09 /* clock crystal frequency */
962 #define RADEON_INFO_NUM_BACKENDS	0x0a /* DB/backends for r600+ - need for OQ */
963 #define RADEON_INFO_NUM_TILE_PIPES	0x0b /* tile pipes for r600+ */
964 #define RADEON_INFO_FUSION_GART_WORKING	0x0c /* fusion writes to GTT were broken before this */
965 #define RADEON_INFO_BACKEND_MAP		0x0d /* pipe to backend map, needed by mesa */
966 /* virtual address start, va < start are reserved by the kernel */
967 #define RADEON_INFO_VA_START		0x0e
968 /* maximum size of ib using the virtual memory cs */
969 #define RADEON_INFO_IB_VM_MAX_SIZE	0x0f
970 /* max pipes - needed for compute shaders */
971 #define RADEON_INFO_MAX_PIPES		0x10
972 /* timestamp for GL_ARB_timer_query (OpenGL), returns the current GPU clock */
973 #define RADEON_INFO_TIMESTAMP		0x11
974 /* max shader engines (SE) - needed for geometry shaders, etc. */
975 #define RADEON_INFO_MAX_SE		0x12
976 /* max SH per SE */
977 #define RADEON_INFO_MAX_SH_PER_SE	0x13
978 
979 struct drm_radeon_info {
980 	uint32_t		request;
981 	uint32_t		pad;
982 	uint64_t		value;
983 };
984 
985 #endif
986