1 /* radeon_drm.h -- Public header for the radeon driver -*- linux-c -*-
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.
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:
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
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.
28 * Kevin E. Martin <martin@valinux.com>
29 * Gareth Hughes <gareth@valinux.com>
30 * Keith Whitwell <keith_whitwell@yahoo.com>
33 #ifndef __RADEON_DRM_H__
34 #define __RADEON_DRM_H__
36 /* WARNING: If you change any of these defines, make sure to change the
37 * defines in the X server file (radeon_sarea.h)
39 #ifndef __RADEON_SAREA_DEFINES__
40 #define __RADEON_SAREA_DEFINES__
42 /* Old style state flags, required for sarea interface (1.1 and 1.2
43 * clears) and 1.2 drm_vertex2 ioctl.
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
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:
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 RADEON_MAX_STATE_PACKETS 21
95 /* Commands understood by cmd_buffer ioctl. More can be added but
96 * obviously these can't be removed or changed:
98 #define RADEON_CMD_PACKET 1 /* emit one of the register packets above */
99 #define RADEON_CMD_SCALARS 2 /* emit scalar data */
100 #define RADEON_CMD_VECTORS 3 /* emit vector data */
101 #define RADEON_CMD_DMA_DISCARD 4 /* discard current dma buf */
102 #define RADEON_CMD_PACKET3 5 /* emit hw packet */
103 #define RADEON_CMD_PACKET3_CLIP 6 /* emit hw packet wrapped in cliprects */
109 char cmd_type, pad0, pad1, pad2;
112 char cmd_type, packet_id, pad0, pad1;
115 char cmd_type, offset, stride, count;
118 char cmd_type, offset, stride, count;
121 char cmd_type, buf_idx, pad0, pad1;
123 } drm_radeon_cmd_header_t;
126 #define RADEON_FRONT 0x1
127 #define RADEON_BACK 0x2
128 #define RADEON_DEPTH 0x4
129 #define RADEON_STENCIL 0x8
133 #define RADEON_POINTS 0x1
134 #define RADEON_LINES 0x2
135 #define RADEON_LINE_STRIP 0x3
136 #define RADEON_TRIANGLES 0x4
137 #define RADEON_TRIANGLE_FAN 0x5
138 #define RADEON_TRIANGLE_STRIP 0x6
140 /* Vertex/indirect buffer size
142 #define RADEON_BUFFER_SIZE 65536
144 /* Byte offsets for indirect buffer data
146 #define RADEON_INDEX_PRIM_OFFSET 20
148 #define RADEON_SCRATCH_REG_OFFSET 32
150 #define RADEON_NR_SAREA_CLIPRECTS 12
152 /* There are 2 heaps (local/AGP). Each region within a heap is a
153 * minimum of 64k, and there are at most 64 of them per heap.
155 #define RADEON_LOCAL_TEX_HEAP 0
156 #define RADEON_AGP_TEX_HEAP 1
157 #define RADEON_NR_TEX_HEAPS 2
158 #define RADEON_NR_TEX_REGIONS 64
159 #define RADEON_LOG_TEX_GRANULARITY 16
161 #define RADEON_MAX_TEXTURE_LEVELS 12
162 #define RADEON_MAX_TEXTURE_UNITS 3
164 #endif /* __RADEON_SAREA_DEFINES__ */
171 } radeon_color_regs_t;
175 unsigned int pp_misc; /* 0x1c14 */
176 unsigned int pp_fog_color;
177 unsigned int re_solid_color;
178 unsigned int rb3d_blendcntl;
179 unsigned int rb3d_depthoffset;
180 unsigned int rb3d_depthpitch;
181 unsigned int rb3d_zstencilcntl;
183 unsigned int pp_cntl; /* 0x1c38 */
184 unsigned int rb3d_cntl;
185 unsigned int rb3d_coloroffset;
186 unsigned int re_width_height;
187 unsigned int rb3d_colorpitch;
188 unsigned int se_cntl;
190 /* Vertex format state */
191 unsigned int se_coord_fmt; /* 0x1c50 */
194 unsigned int re_line_pattern; /* 0x1cd0 */
195 unsigned int re_line_state;
197 unsigned int se_line_width; /* 0x1db8 */
200 unsigned int pp_lum_matrix; /* 0x1d00 */
202 unsigned int pp_rot_matrix_0; /* 0x1d58 */
203 unsigned int pp_rot_matrix_1;
206 unsigned int rb3d_stencilrefmask; /* 0x1d7c */
207 unsigned int rb3d_ropcntl;
208 unsigned int rb3d_planemask;
211 unsigned int se_vport_xscale; /* 0x1d98 */
212 unsigned int se_vport_xoffset;
213 unsigned int se_vport_yscale;
214 unsigned int se_vport_yoffset;
215 unsigned int se_vport_zscale;
216 unsigned int se_vport_zoffset;
219 unsigned int se_cntl_status; /* 0x2140 */
222 unsigned int re_top_left; /* 0x26c0 */
223 unsigned int re_misc;
224 } drm_radeon_context_regs_t;
228 unsigned int se_zbias_factor; /* 0x1dac */
229 unsigned int se_zbias_constant;
230 } drm_radeon_context2_regs_t;
233 /* Setup registers for each texture unit
236 unsigned int pp_txfilter;
237 unsigned int pp_txformat;
238 unsigned int pp_txoffset;
239 unsigned int pp_txcblend;
240 unsigned int pp_txablend;
241 unsigned int pp_tfactor;
242 unsigned int pp_border_color;
243 } drm_radeon_texture_regs_t;
249 unsigned int stateidx:8;
250 unsigned int numverts:16; /* overloaded as offset/64 for elt prims */
251 unsigned int vc_format; /* vertex format */
256 drm_radeon_context_regs_t context;
257 drm_radeon_texture_regs_t tex[RADEON_MAX_TEXTURE_UNITS];
258 drm_radeon_context2_regs_t context2;
260 } drm_radeon_state_t;
264 unsigned char next, prev;
265 unsigned char in_use;
267 } drm_radeon_tex_region_t;
270 /* The channel for communication of state information to the
271 * kernel on firing a vertex buffer with either of the
272 * obsoleted vertex/index ioctls.
274 drm_radeon_context_regs_t context_state;
275 drm_radeon_texture_regs_t tex_state[RADEON_MAX_TEXTURE_UNITS];
277 unsigned int vertsize;
278 unsigned int vc_format;
280 /* The current cliprects, or a subset thereof.
282 drm_clip_rect_t boxes[RADEON_NR_SAREA_CLIPRECTS];
285 /* Counters for client-side throttling of rendering clients.
287 unsigned int last_frame;
288 unsigned int last_dispatch;
289 unsigned int last_clear;
291 drm_radeon_tex_region_t tex_list[RADEON_NR_TEX_HEAPS][RADEON_NR_TEX_REGIONS+1];
292 int tex_age[RADEON_NR_TEX_HEAPS];
294 int pfState; /* number of 3d windows (0,1,2ormore) */
295 int pfCurrentPage; /* which buffer is being displayed? */
296 } drm_radeon_sarea_t;
299 /* WARNING: If you change any of these defines, make sure to change the
300 * defines in the Xserver file (xf86drmRadeon.h)
302 * KW: actually it's illegal to change any of this (backwards compatibility).
305 /* Radeon specific ioctls
306 * The device specific ioctl range is 0x40 to 0x79.
308 #define DRM_IOCTL_RADEON_CP_INIT DRM_IOW( 0x40, drm_radeon_init_t)
309 #define DRM_IOCTL_RADEON_CP_START DRM_IO( 0x41)
310 #define DRM_IOCTL_RADEON_CP_STOP DRM_IOW( 0x42, drm_radeon_cp_stop_t)
311 #define DRM_IOCTL_RADEON_CP_RESET DRM_IO( 0x43)
312 #define DRM_IOCTL_RADEON_CP_IDLE DRM_IO( 0x44)
313 #define DRM_IOCTL_RADEON_RESET DRM_IO( 0x45)
314 #define DRM_IOCTL_RADEON_FULLSCREEN DRM_IOW( 0x46, drm_radeon_fullscreen_t)
315 #define DRM_IOCTL_RADEON_SWAP DRM_IO( 0x47)
316 #define DRM_IOCTL_RADEON_CLEAR DRM_IOW( 0x48, drm_radeon_clear_t)
317 #define DRM_IOCTL_RADEON_VERTEX DRM_IOW( 0x49, drm_radeon_vertex_t)
318 #define DRM_IOCTL_RADEON_INDICES DRM_IOW( 0x4a, drm_radeon_indices_t)
319 #define DRM_IOCTL_RADEON_STIPPLE DRM_IOW( 0x4c, drm_radeon_stipple_t)
320 #define DRM_IOCTL_RADEON_INDIRECT DRM_IOWR(0x4d, drm_radeon_indirect_t)
321 #define DRM_IOCTL_RADEON_TEXTURE DRM_IOWR(0x4e, drm_radeon_texture_t)
322 #define DRM_IOCTL_RADEON_VERTEX2 DRM_IOW( 0x4f, drm_radeon_vertex_t)
323 #define DRM_IOCTL_RADEON_CMDBUF DRM_IOW( 0x50, drm_radeon_cmd_buffer_t)
324 #define DRM_IOCTL_RADEON_GETPARAM DRM_IOWR(0x51, drm_radeon_getparam_t)
325 #define DRM_IOCTL_RADEON_FLIP DRM_IO( 0x52)
327 typedef struct drm_radeon_init {
329 RADEON_INIT_CP = 0x01,
330 RADEON_CLEANUP_CP = 0x02
332 unsigned long sarea_priv_offset;
340 unsigned int front_offset, front_pitch;
341 unsigned int back_offset, back_pitch;
342 unsigned int depth_bpp;
343 unsigned int depth_offset, depth_pitch;
345 unsigned long fb_offset;
346 unsigned long mmio_offset;
347 unsigned long ring_offset;
348 unsigned long ring_rptr_offset;
349 unsigned long buffers_offset;
350 unsigned long agp_textures_offset;
353 typedef struct drm_radeon_cp_stop {
356 } drm_radeon_cp_stop_t;
358 typedef struct drm_radeon_fullscreen {
360 RADEON_INIT_FULLSCREEN = 0x01,
361 RADEON_CLEANUP_FULLSCREEN = 0x02
363 } drm_radeon_fullscreen_t;
369 #define CLEAR_DEPTH 4
371 typedef union drm_radeon_clear_rect {
374 } drm_radeon_clear_rect_t;
376 typedef struct drm_radeon_clear {
378 unsigned int clear_color;
379 unsigned int clear_depth;
380 unsigned int color_mask;
381 unsigned int depth_mask; /* misnamed field: should be stencil */
382 drm_radeon_clear_rect_t *depth_boxes;
383 } drm_radeon_clear_t;
385 typedef struct drm_radeon_vertex {
387 int idx; /* Index of vertex buffer */
388 int count; /* Number of vertices in buffer */
389 int discard; /* Client finished with buffer? */
390 } drm_radeon_vertex_t;
392 typedef struct drm_radeon_indices {
397 int discard; /* Client finished with buffer? */
398 } drm_radeon_indices_t;
400 /* v1.2 - obsoletes drm_radeon_vertex and drm_radeon_indices
401 * - allows multiple primitives and state changes in a single ioctl
402 * - supports driver change to emit native primitives
404 typedef struct drm_radeon_vertex2 {
405 int idx; /* Index of vertex buffer */
406 int discard; /* Client finished with buffer? */
408 drm_radeon_state_t *state;
410 drm_radeon_prim_t *prim;
411 } drm_radeon_vertex2_t;
413 /* v1.3 - obsoletes drm_radeon_vertex2
414 * - allows arbitarily large cliprect list
415 * - allows updating of tcl packet, vector and scalar state
416 * - allows memory-efficient description of state updates
417 * - allows state to be emitted without a primitive
418 * (for clears, ctx switches)
419 * - allows more than one dma buffer to be referenced per ioctl
420 * - supports tcl driver
421 * - may be extended in future versions with new cmd types, packets
423 typedef struct drm_radeon_cmd_buffer {
427 drm_clip_rect_t *boxes;
428 } drm_radeon_cmd_buffer_t;
430 typedef struct drm_radeon_tex_image {
431 unsigned int x, y; /* Blit coordinates */
432 unsigned int width, height;
434 } drm_radeon_tex_image_t;
436 typedef struct drm_radeon_texture {
440 int width; /* Texture image coordinates */
442 drm_radeon_tex_image_t *image;
443 } drm_radeon_texture_t;
445 typedef struct drm_radeon_stipple {
447 } drm_radeon_stipple_t;
449 typedef struct drm_radeon_indirect {
454 } drm_radeon_indirect_t;
457 /* 1.3: An ioctl to get parameters that aren't available to the 3d
458 * client any other way.
460 #define RADEON_PARAM_AGP_BUFFER_OFFSET 0x1
461 #define RADEON_PARAM_LAST_FRAME 0x2
462 #define RADEON_PARAM_LAST_DISPATCH 0x3
463 #define RADEON_PARAM_LAST_CLEAR 0x4
465 typedef struct drm_radeon_getparam {
468 } drm_radeon_getparam_t;