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 #ifndef __RADEON_DRM_H__
34 #define __RADEON_DRM_H__
35 
36 /* WARNING: If you change any of these defines, make sure to change the
37  * defines in the X server file (radeon_sarea.h)
38  */
39 #ifndef __RADEON_SAREA_DEFINES__
40 #define __RADEON_SAREA_DEFINES__
41 
42 /* Old style state flags, required for sarea interface (1.1 and 1.2
43  * clears) and 1.2 drm_vertex2 ioctl.
44  */
45 #define RADEON_UPLOAD_CONTEXT		0x00000001
46 #define RADEON_UPLOAD_VERTFMT		0x00000002
47 #define RADEON_UPLOAD_LINE		0x00000004
48 #define RADEON_UPLOAD_BUMPMAP		0x00000008
49 #define RADEON_UPLOAD_MASKS		0x00000010
50 #define RADEON_UPLOAD_VIEWPORT		0x00000020
51 #define RADEON_UPLOAD_SETUP		0x00000040
52 #define RADEON_UPLOAD_TCL		0x00000080
53 #define RADEON_UPLOAD_MISC		0x00000100
54 #define RADEON_UPLOAD_TEX0		0x00000200
55 #define RADEON_UPLOAD_TEX1		0x00000400
56 #define RADEON_UPLOAD_TEX2		0x00000800
57 #define RADEON_UPLOAD_TEX0IMAGES	0x00001000
58 #define RADEON_UPLOAD_TEX1IMAGES	0x00002000
59 #define RADEON_UPLOAD_TEX2IMAGES	0x00004000
60 #define RADEON_UPLOAD_CLIPRECTS		0x00008000 /* handled client-side */
61 #define RADEON_REQUIRE_QUIESCENCE	0x00010000
62 #define RADEON_UPLOAD_ZBIAS		0x00020000 /* version 1.2 and newer */
63 #define RADEON_UPLOAD_ALL		0x003effff
64 #define RADEON_UPLOAD_CONTEXT_ALL       0x003e01ff
65 
66 
67 /* New style per-packet identifiers for use in cmd_buffer ioctl with
68  * the RADEON_EMIT_PACKET command.  Comments relate new packets to old
69  * state bits and the packet size:
70  */
71 #define RADEON_EMIT_PP_MISC                         0 /* context/7 */
72 #define RADEON_EMIT_PP_CNTL                         1 /* context/3 */
73 #define RADEON_EMIT_RB3D_COLORPITCH                 2 /* context/1 */
74 #define RADEON_EMIT_RE_LINE_PATTERN                 3 /* line/2 */
75 #define RADEON_EMIT_SE_LINE_WIDTH                   4 /* line/1 */
76 #define RADEON_EMIT_PP_LUM_MATRIX                   5 /* bumpmap/1 */
77 #define RADEON_EMIT_PP_ROT_MATRIX_0                 6 /* bumpmap/2 */
78 #define RADEON_EMIT_RB3D_STENCILREFMASK             7 /* masks/3 */
79 #define RADEON_EMIT_SE_VPORT_XSCALE                 8 /* viewport/6 */
80 #define RADEON_EMIT_SE_CNTL                         9 /* setup/2 */
81 #define RADEON_EMIT_SE_CNTL_STATUS                  10 /* setup/1 */
82 #define RADEON_EMIT_RE_MISC                         11 /* misc/1 */
83 #define RADEON_EMIT_PP_TXFILTER_0                   12 /* tex0/6 */
84 #define RADEON_EMIT_PP_BORDER_COLOR_0               13 /* tex0/1 */
85 #define RADEON_EMIT_PP_TXFILTER_1                   14 /* tex1/6 */
86 #define RADEON_EMIT_PP_BORDER_COLOR_1               15 /* tex1/1 */
87 #define RADEON_EMIT_PP_TXFILTER_2                   16 /* tex2/6 */
88 #define RADEON_EMIT_PP_BORDER_COLOR_2               17 /* tex2/1 */
89 #define RADEON_EMIT_SE_ZBIAS_FACTOR                 18 /* zbias/2 */
90 #define RADEON_EMIT_SE_TCL_OUTPUT_VTX_FMT           19 /* tcl/11 */
91 #define RADEON_EMIT_SE_TCL_MATERIAL_EMMISSIVE_RED   20 /* material/17 */
92 #define R200_EMIT_PP_TXCBLEND_0                     21 /* tex0/4 */
93 #define R200_EMIT_PP_TXCBLEND_1                     22 /* tex1/4 */
94 #define R200_EMIT_PP_TXCBLEND_2                     23 /* tex2/4 */
95 #define R200_EMIT_PP_TXCBLEND_3                     24 /* tex3/4 */
96 #define R200_EMIT_PP_TXCBLEND_4                     25 /* tex4/4 */
97 #define R200_EMIT_PP_TXCBLEND_5                     26 /* tex5/4 */
98 #define R200_EMIT_PP_TXCBLEND_6                     27 /* /4 */
99 #define R200_EMIT_PP_TXCBLEND_7                     28 /* /4 */
100 #define R200_EMIT_TCL_LIGHT_MODEL_CTL_0             29 /* tcl/7 */
101 #define R200_EMIT_TFACTOR_0                         30 /* tf/7 */
102 #define R200_EMIT_VTX_FMT_0                         31 /* vtx/5 */
103 #define R200_EMIT_VAP_CTL                           32 /* vap/1 */
104 #define R200_EMIT_MATRIX_SELECT_0                   33 /* msl/5 */
105 #define R200_EMIT_TEX_PROC_CTL_2                    34 /* tcg/5 */
106 #define R200_EMIT_TCL_UCP_VERT_BLEND_CTL            35 /* tcl/1 */
107 #define R200_EMIT_PP_TXFILTER_0                     36 /* tex0/6 */
108 #define R200_EMIT_PP_TXFILTER_1                     37 /* tex1/6 */
109 #define R200_EMIT_PP_TXFILTER_2                     38 /* tex2/6 */
110 #define R200_EMIT_PP_TXFILTER_3                     39 /* tex3/6 */
111 #define R200_EMIT_PP_TXFILTER_4                     40 /* tex4/6 */
112 #define R200_EMIT_PP_TXFILTER_5                     41 /* tex5/6 */
113 #define R200_EMIT_PP_TXOFFSET_0                     42 /* tex0/1 */
114 #define R200_EMIT_PP_TXOFFSET_1                     43 /* tex1/1 */
115 #define R200_EMIT_PP_TXOFFSET_2                     44 /* tex2/1 */
116 #define R200_EMIT_PP_TXOFFSET_3                     45 /* tex3/1 */
117 #define R200_EMIT_PP_TXOFFSET_4                     46 /* tex4/1 */
118 #define R200_EMIT_PP_TXOFFSET_5                     47 /* tex5/1 */
119 #define R200_EMIT_VTE_CNTL                          48 /* vte/1 */
120 #define R200_EMIT_OUTPUT_VTX_COMP_SEL               49 /* vtx/1 */
121 #define R200_EMIT_PP_TAM_DEBUG3                     50 /* tam/1 */
122 #define R200_EMIT_PP_CNTL_X                         51 /* cst/1 */
123 #define R200_EMIT_RB3D_DEPTHXY_OFFSET               52 /* cst/1 */
124 #define R200_EMIT_RE_AUX_SCISSOR_CNTL               53 /* cst/1 */
125 #define R200_EMIT_RE_SCISSOR_TL_0                   54 /* cst/2 */
126 #define R200_EMIT_RE_SCISSOR_TL_1                   55 /* cst/2 */
127 #define R200_EMIT_RE_SCISSOR_TL_2                   56 /* cst/2 */
128 #define R200_EMIT_SE_VAP_CNTL_STATUS                57 /* cst/1 */
129 #define R200_EMIT_SE_VTX_STATE_CNTL                 58 /* cst/1 */
130 #define R200_EMIT_RE_POINTSIZE                      59 /* cst/1 */
131 #define R200_EMIT_TCL_INPUT_VTX_VECTOR_ADDR_0       60 /* cst/4 */
132 #define R200_EMIT_PP_CUBIC_FACES_0                  61
133 #define R200_EMIT_PP_CUBIC_OFFSETS_0                62
134 #define R200_EMIT_PP_CUBIC_FACES_1                  63
135 #define R200_EMIT_PP_CUBIC_OFFSETS_1                64
136 #define R200_EMIT_PP_CUBIC_FACES_2                  65
137 #define R200_EMIT_PP_CUBIC_OFFSETS_2                66
138 #define R200_EMIT_PP_CUBIC_FACES_3                  67
139 #define R200_EMIT_PP_CUBIC_OFFSETS_3                68
140 #define R200_EMIT_PP_CUBIC_FACES_4                  69
141 #define R200_EMIT_PP_CUBIC_OFFSETS_4                70
142 #define R200_EMIT_PP_CUBIC_FACES_5                  71
143 #define R200_EMIT_PP_CUBIC_OFFSETS_5                72
144 #define RADEON_MAX_STATE_PACKETS                    73
145 
146 
147 /* Commands understood by cmd_buffer ioctl.  More can be added but
148  * obviously these can't be removed or changed:
149  */
150 #define RADEON_CMD_PACKET      1 /* emit one of the register packets above */
151 #define RADEON_CMD_SCALARS     2 /* emit scalar data */
152 #define RADEON_CMD_VECTORS     3 /* emit vector data */
153 #define RADEON_CMD_DMA_DISCARD 4 /* discard current dma buf */
154 #define RADEON_CMD_PACKET3     5 /* emit hw packet */
155 #define RADEON_CMD_PACKET3_CLIP 6 /* emit hw packet wrapped in cliprects */
156 #define RADEON_CMD_SCALARS2     7 /* r200 stopgap */
157 #define RADEON_CMD_WAIT         8 /* emit hw wait commands -- note:
158 				   *  doesn't make the cpu wait, just
159 				   *  the graphics hardware */
160 
161 
162 typedef union {
163 	int i;
164 	struct {
165 		unsigned char cmd_type, pad0, pad1, pad2;
166 	} header;
167 	struct {
168 		unsigned char cmd_type, packet_id, pad0, pad1;
169 	} packet;
170 	struct {
171 		unsigned char cmd_type, offset, stride, count;
172 	} scalars;
173 	struct {
174 		unsigned char cmd_type, offset, stride, count;
175 	} vectors;
176 	struct {
177 		unsigned char cmd_type, buf_idx, pad0, pad1;
178 	} dma;
179 	struct {
180 		unsigned char cmd_type, flags, pad0, pad1;
181 	} wait;
182 } drm_radeon_cmd_header_t;
183 
184 #define RADEON_WAIT_2D  0x1
185 #define RADEON_WAIT_3D  0x2
186 
187 
188 #define RADEON_FRONT			0x1
189 #define RADEON_BACK			0x2
190 #define RADEON_DEPTH			0x4
191 #define RADEON_STENCIL                  0x8
192 
193 /* Primitive types
194  */
195 #define RADEON_POINTS			0x1
196 #define RADEON_LINES			0x2
197 #define RADEON_LINE_STRIP		0x3
198 #define RADEON_TRIANGLES		0x4
199 #define RADEON_TRIANGLE_FAN		0x5
200 #define RADEON_TRIANGLE_STRIP		0x6
201 
202 /* Vertex/indirect buffer size
203  */
204 #define RADEON_BUFFER_SIZE		65536
205 
206 /* Byte offsets for indirect buffer data
207  */
208 #define RADEON_INDEX_PRIM_OFFSET	20
209 
210 #define RADEON_SCRATCH_REG_OFFSET	32
211 
212 #define RADEON_NR_SAREA_CLIPRECTS	12
213 
214 /* There are 2 heaps (local/AGP).  Each region within a heap is a
215  * minimum of 64k, and there are at most 64 of them per heap.
216  */
217 #define RADEON_LOCAL_TEX_HEAP		0
218 #define RADEON_AGP_TEX_HEAP		1
219 #define RADEON_NR_TEX_HEAPS		2
220 #define RADEON_NR_TEX_REGIONS		64
221 #define RADEON_LOG_TEX_GRANULARITY	16
222 
223 #define RADEON_MAX_TEXTURE_LEVELS	12
224 #define RADEON_MAX_TEXTURE_UNITS	3
225 
226 #endif /* __RADEON_SAREA_DEFINES__ */
227 
228 typedef struct {
229 	unsigned int red;
230 	unsigned int green;
231 	unsigned int blue;
232 	unsigned int alpha;
233 } radeon_color_regs_t;
234 
235 typedef struct {
236 	/* Context state */
237 	unsigned int pp_misc;				/* 0x1c14 */
238 	unsigned int pp_fog_color;
239 	unsigned int re_solid_color;
240 	unsigned int rb3d_blendcntl;
241 	unsigned int rb3d_depthoffset;
242 	unsigned int rb3d_depthpitch;
243 	unsigned int rb3d_zstencilcntl;
244 
245 	unsigned int pp_cntl;				/* 0x1c38 */
246 	unsigned int rb3d_cntl;
247 	unsigned int rb3d_coloroffset;
248 	unsigned int re_width_height;
249 	unsigned int rb3d_colorpitch;
250 	unsigned int se_cntl;
251 
252 	/* Vertex format state */
253 	unsigned int se_coord_fmt;			/* 0x1c50 */
254 
255 	/* Line state */
256 	unsigned int re_line_pattern;			/* 0x1cd0 */
257 	unsigned int re_line_state;
258 
259 	unsigned int se_line_width;			/* 0x1db8 */
260 
261 	/* Bumpmap state */
262 	unsigned int pp_lum_matrix;			/* 0x1d00 */
263 
264 	unsigned int pp_rot_matrix_0;			/* 0x1d58 */
265 	unsigned int pp_rot_matrix_1;
266 
267 	/* Mask state */
268 	unsigned int rb3d_stencilrefmask;		/* 0x1d7c */
269 	unsigned int rb3d_ropcntl;
270 	unsigned int rb3d_planemask;
271 
272 	/* Viewport state */
273 	unsigned int se_vport_xscale;			/* 0x1d98 */
274 	unsigned int se_vport_xoffset;
275 	unsigned int se_vport_yscale;
276 	unsigned int se_vport_yoffset;
277 	unsigned int se_vport_zscale;
278 	unsigned int se_vport_zoffset;
279 
280 	/* Setup state */
281 	unsigned int se_cntl_status;			/* 0x2140 */
282 
283 	/* Misc state */
284 	unsigned int re_top_left;			/* 0x26c0 */
285 	unsigned int re_misc;
286 } drm_radeon_context_regs_t;
287 
288 typedef struct {
289 	/* Zbias state */
290 	unsigned int se_zbias_factor;			/* 0x1dac */
291 	unsigned int se_zbias_constant;
292 } drm_radeon_context2_regs_t;
293 
294 
295 /* Setup registers for each texture unit
296  */
297 typedef struct {
298 	unsigned int pp_txfilter;
299 	unsigned int pp_txformat;
300 	unsigned int pp_txoffset;
301 	unsigned int pp_txcblend;
302 	unsigned int pp_txablend;
303 	unsigned int pp_tfactor;
304 	unsigned int pp_border_color;
305 } drm_radeon_texture_regs_t;
306 
307 typedef struct {
308 	unsigned int start;
309 	unsigned int finish;
310 	unsigned int prim:8;
311 	unsigned int stateidx:8;
312 	unsigned int numverts:16; /* overloaded as offset/64 for elt prims */
313         unsigned int vc_format;   /* vertex format */
314 } drm_radeon_prim_t;
315 
316 
317 typedef struct {
318 	drm_radeon_context_regs_t context;
319 	drm_radeon_texture_regs_t tex[RADEON_MAX_TEXTURE_UNITS];
320 	drm_radeon_context2_regs_t context2;
321 	unsigned int dirty;
322 } drm_radeon_state_t;
323 
324 
325 typedef struct {
326 	unsigned char next, prev;
327 	unsigned char in_use;
328 	int age;
329 } drm_radeon_tex_region_t;
330 
331 typedef struct {
332 	/* The channel for communication of state information to the
333 	 * kernel on firing a vertex buffer with either of the
334 	 * obsoleted vertex/index ioctls.
335 	 */
336 	drm_radeon_context_regs_t context_state;
337 	drm_radeon_texture_regs_t tex_state[RADEON_MAX_TEXTURE_UNITS];
338 	unsigned int dirty;
339 	unsigned int vertsize;
340 	unsigned int vc_format;
341 
342 	/* The current cliprects, or a subset thereof.
343 	 */
344 	drm_clip_rect_t boxes[RADEON_NR_SAREA_CLIPRECTS];
345 	unsigned int nbox;
346 
347 	/* Counters for client-side throttling of rendering clients.
348 	 */
349 	unsigned int last_frame;
350 	unsigned int last_dispatch;
351 	unsigned int last_clear;
352 
353 	drm_radeon_tex_region_t tex_list[RADEON_NR_TEX_HEAPS][RADEON_NR_TEX_REGIONS+1];
354 	int tex_age[RADEON_NR_TEX_HEAPS];
355 	int ctx_owner;
356         int pfState;                /* number of 3d windows (0,1,2ormore) */
357         int pfCurrentPage;	    /* which buffer is being displayed? */
358 	int crtc2_base;		    /* CRTC2 frame offset */
359 } drm_radeon_sarea_t;
360 
361 
362 /* WARNING: If you change any of these defines, make sure to change the
363  * defines in the Xserver file (xf86drmRadeon.h)
364  *
365  * KW: actually it's illegal to change any of this (backwards compatibility).
366  */
367 
368 /* Radeon specific ioctls
369  * The device specific ioctl range is 0x40 to 0x79.
370  */
371 #define DRM_IOCTL_RADEON_CP_INIT    DRM_IOW( 0x40, drm_radeon_init_t)
372 #define DRM_IOCTL_RADEON_CP_START   DRM_IO(  0x41)
373 #define DRM_IOCTL_RADEON_CP_STOP    DRM_IOW( 0x42, drm_radeon_cp_stop_t)
374 #define DRM_IOCTL_RADEON_CP_RESET   DRM_IO(  0x43)
375 #define DRM_IOCTL_RADEON_CP_IDLE    DRM_IO(  0x44)
376 #define DRM_IOCTL_RADEON_RESET      DRM_IO(  0x45)
377 #define DRM_IOCTL_RADEON_FULLSCREEN DRM_IOW( 0x46, drm_radeon_fullscreen_t)
378 #define DRM_IOCTL_RADEON_SWAP       DRM_IO(  0x47)
379 #define DRM_IOCTL_RADEON_CLEAR      DRM_IOW( 0x48, drm_radeon_clear_t)
380 #define DRM_IOCTL_RADEON_VERTEX     DRM_IOW( 0x49, drm_radeon_vertex_t)
381 #define DRM_IOCTL_RADEON_INDICES    DRM_IOW( 0x4a, drm_radeon_indices_t)
382 #define DRM_IOCTL_RADEON_STIPPLE    DRM_IOW( 0x4c, drm_radeon_stipple_t)
383 #define DRM_IOCTL_RADEON_INDIRECT   DRM_IOWR(0x4d, drm_radeon_indirect_t)
384 #define DRM_IOCTL_RADEON_TEXTURE    DRM_IOWR(0x4e, drm_radeon_texture_t)
385 #define DRM_IOCTL_RADEON_VERTEX2    DRM_IOW( 0x4f, drm_radeon_vertex2_t)
386 #define DRM_IOCTL_RADEON_CMDBUF     DRM_IOW( 0x50, drm_radeon_cmd_buffer_t)
387 #define DRM_IOCTL_RADEON_GETPARAM   DRM_IOWR(0x51, drm_radeon_getparam_t)
388 #define DRM_IOCTL_RADEON_FLIP	    DRM_IO(  0x52)
389 #define DRM_IOCTL_RADEON_ALLOC      DRM_IOWR( 0x53, drm_radeon_mem_alloc_t)
390 #define DRM_IOCTL_RADEON_FREE       DRM_IOW( 0x54, drm_radeon_mem_free_t)
391 #define DRM_IOCTL_RADEON_INIT_HEAP  DRM_IOW( 0x55, drm_radeon_mem_init_heap_t)
392 #define DRM_IOCTL_RADEON_IRQ_EMIT   DRM_IOWR( 0x56, drm_radeon_irq_emit_t)
393 #define DRM_IOCTL_RADEON_IRQ_WAIT   DRM_IOW( 0x57, drm_radeon_irq_wait_t)
394 
395 typedef struct drm_radeon_init {
396 	enum {
397 		RADEON_INIT_CP    = 0x01,
398 		RADEON_CLEANUP_CP = 0x02,
399 		RADEON_INIT_R200_CP = 0x03,
400 	} func;
401 	unsigned long sarea_priv_offset;
402 	int is_pci;
403 	int cp_mode;
404 	int agp_size;
405 	int ring_size;
406 	int usec_timeout;
407 
408 	unsigned int fb_bpp;
409 	unsigned int front_offset, front_pitch;
410 	unsigned int back_offset, back_pitch;
411 	unsigned int depth_bpp;
412 	unsigned int depth_offset, depth_pitch;
413 
414 	unsigned long fb_offset;
415 	unsigned long mmio_offset;
416 	unsigned long ring_offset;
417 	unsigned long ring_rptr_offset;
418 	unsigned long buffers_offset;
419 	unsigned long agp_textures_offset;
420 } drm_radeon_init_t;
421 
422 typedef struct drm_radeon_cp_stop {
423 	int flush;
424 	int idle;
425 } drm_radeon_cp_stop_t;
426 
427 typedef struct drm_radeon_fullscreen {
428 	enum {
429 		RADEON_INIT_FULLSCREEN    = 0x01,
430 		RADEON_CLEANUP_FULLSCREEN = 0x02
431 	} func;
432 } drm_radeon_fullscreen_t;
433 
434 #define CLEAR_X1	0
435 #define CLEAR_Y1	1
436 #define CLEAR_X2	2
437 #define CLEAR_Y2	3
438 #define CLEAR_DEPTH	4
439 
440 typedef union drm_radeon_clear_rect {
441 	float f[5];
442 	unsigned int ui[5];
443 } drm_radeon_clear_rect_t;
444 
445 typedef struct drm_radeon_clear {
446 	unsigned int flags;
447 	unsigned int clear_color;
448 	unsigned int clear_depth;
449 	unsigned int color_mask;
450 	unsigned int depth_mask;   /* misnamed field:  should be stencil */
451 	drm_radeon_clear_rect_t *depth_boxes;
452 } drm_radeon_clear_t;
453 
454 typedef struct drm_radeon_vertex {
455 	int prim;
456 	int idx;			/* Index of vertex buffer */
457 	int count;			/* Number of vertices in buffer */
458 	int discard;			/* Client finished with buffer? */
459 } drm_radeon_vertex_t;
460 
461 typedef struct drm_radeon_indices {
462 	int prim;
463 	int idx;
464 	int start;
465 	int end;
466 	int discard;			/* Client finished with buffer? */
467 } drm_radeon_indices_t;
468 
469 /* v1.2 - obsoletes drm_radeon_vertex and drm_radeon_indices
470  *      - allows multiple primitives and state changes in a single ioctl
471  *      - supports driver change to emit native primitives
472  */
473 typedef struct drm_radeon_vertex2 {
474 	int idx;			/* Index of vertex buffer */
475 	int discard;			/* Client finished with buffer? */
476 	int nr_states;
477 	drm_radeon_state_t *state;
478 	int nr_prims;
479 	drm_radeon_prim_t *prim;
480 } drm_radeon_vertex2_t;
481 
482 /* v1.3 - obsoletes drm_radeon_vertex2
483  *      - allows arbitarily large cliprect list
484  *      - allows updating of tcl packet, vector and scalar state
485  *      - allows memory-efficient description of state updates
486  *      - allows state to be emitted without a primitive
487  *           (for clears, ctx switches)
488  *      - allows more than one dma buffer to be referenced per ioctl
489  *      - supports tcl driver
490  *      - may be extended in future versions with new cmd types, packets
491  */
492 typedef struct drm_radeon_cmd_buffer {
493 	int bufsz;
494 	char *buf;
495 	int nbox;
496 	drm_clip_rect_t *boxes;
497 } drm_radeon_cmd_buffer_t;
498 
499 typedef struct drm_radeon_tex_image {
500 	unsigned int x, y;		/* Blit coordinates */
501 	unsigned int width, height;
502 	const void *data;
503 } drm_radeon_tex_image_t;
504 
505 typedef struct drm_radeon_texture {
506 	int offset;
507 	int pitch;
508 	int format;
509 	int width;			/* Texture image coordinates */
510 	int height;
511 	drm_radeon_tex_image_t *image;
512 } drm_radeon_texture_t;
513 
514 typedef struct drm_radeon_stipple {
515 	unsigned int *mask;
516 } drm_radeon_stipple_t;
517 
518 typedef struct drm_radeon_indirect {
519 	int idx;
520 	int start;
521 	int end;
522 	int discard;
523 } drm_radeon_indirect_t;
524 
525 
526 /* 1.3: An ioctl to get parameters that aren't available to the 3d
527  * client any other way.
528  */
529 #define RADEON_PARAM_AGP_BUFFER_OFFSET     1 /* card offset of 1st agp buffer */
530 #define RADEON_PARAM_LAST_FRAME            2
531 #define RADEON_PARAM_LAST_DISPATCH         3
532 #define RADEON_PARAM_LAST_CLEAR            4
533 #define RADEON_PARAM_IRQ_NR                5
534 #define RADEON_PARAM_AGP_BASE              6 /* card offset of agp base */
535 
536 typedef struct drm_radeon_getparam {
537 	int param;
538 	int *value;
539 } drm_radeon_getparam_t;
540 
541 /* 1.6: Set up a memory manager for regions of shared memory:
542  */
543 #define RADEON_MEM_REGION_AGP 1
544 #define RADEON_MEM_REGION_FB  2
545 
546 typedef struct drm_radeon_mem_alloc {
547 	int region;
548 	int alignment;
549 	int size;
550 	int *region_offset;	/* offset from start of fb or agp */
551 } drm_radeon_mem_alloc_t;
552 
553 typedef struct drm_radeon_mem_free {
554 	int region;
555 	int region_offset;
556 } drm_radeon_mem_free_t;
557 
558 typedef struct drm_radeon_mem_init_heap {
559 	int region;
560 	int size;
561 	int start;
562 } drm_radeon_mem_init_heap_t;
563 
564 
565 /* 1.6: Userspace can request & wait on irq's:
566  */
567 typedef struct drm_radeon_irq_emit {
568 	int *irq_seq;
569 } drm_radeon_irq_emit_t;
570 
571 typedef struct drm_radeon_irq_wait {
572 	int irq_seq;
573 } drm_radeon_irq_wait_t;
574 
575 
576 #endif
577