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Linux/include/uapi/drm/r128_drm.h

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  1 /* r128_drm.h -- Public header for the r128 driver -*- linux-c -*-
  2  * Created: Wed Apr  5 19:24:19 2000 by kevin@precisioninsight.com
  3  */
  4 /*
  5  * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
  6  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
  7  * All rights reserved.
  8  *
  9  * Permission is hereby granted, free of charge, to any person obtaining a
 10  * copy of this software and associated documentation files (the "Software"),
 11  * to deal in the Software without restriction, including without limitation
 12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 13  * and/or sell copies of the Software, and to permit persons to whom the
 14  * Software is furnished to do so, subject to the following conditions:
 15  *
 16  * The above copyright notice and this permission notice (including the next
 17  * paragraph) shall be included in all copies or substantial portions of the
 18  * Software.
 19  *
 20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 21  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 22  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 23  * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 24  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 25  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 26  * DEALINGS IN THE SOFTWARE.
 27  *
 28  * Authors:
 29  *    Gareth Hughes <gareth@valinux.com>
 30  *    Kevin E. Martin <martin@valinux.com>
 31  */
 32 
 33 #ifndef __R128_DRM_H__
 34 #define __R128_DRM_H__
 35 
 36 #include "drm.h"
 37 
 38 #if defined(__cplusplus)
 39 extern "C" {
 40 #endif
 41 
 42 /* WARNING: If you change any of these defines, make sure to change the
 43  * defines in the X server file (r128_sarea.h)
 44  */
 45 #ifndef __R128_SAREA_DEFINES__
 46 #define __R128_SAREA_DEFINES__
 47 
 48 /* What needs to be changed for the current vertex buffer?
 49  */
 50 #define R128_UPLOAD_CONTEXT             0x001
 51 #define R128_UPLOAD_SETUP               0x002
 52 #define R128_UPLOAD_TEX0                0x004
 53 #define R128_UPLOAD_TEX1                0x008
 54 #define R128_UPLOAD_TEX0IMAGES          0x010
 55 #define R128_UPLOAD_TEX1IMAGES          0x020
 56 #define R128_UPLOAD_CORE                0x040
 57 #define R128_UPLOAD_MASKS               0x080
 58 #define R128_UPLOAD_WINDOW              0x100
 59 #define R128_UPLOAD_CLIPRECTS           0x200   /* handled client-side */
 60 #define R128_REQUIRE_QUIESCENCE         0x400
 61 #define R128_UPLOAD_ALL                 0x7ff
 62 
 63 #define R128_FRONT                      0x1
 64 #define R128_BACK                       0x2
 65 #define R128_DEPTH                      0x4
 66 
 67 /* Primitive types
 68  */
 69 #define R128_POINTS                     0x1
 70 #define R128_LINES                      0x2
 71 #define R128_LINE_STRIP                 0x3
 72 #define R128_TRIANGLES                  0x4
 73 #define R128_TRIANGLE_FAN               0x5
 74 #define R128_TRIANGLE_STRIP             0x6
 75 
 76 /* Vertex/indirect buffer size
 77  */
 78 #define R128_BUFFER_SIZE                16384
 79 
 80 /* Byte offsets for indirect buffer data
 81  */
 82 #define R128_INDEX_PRIM_OFFSET          20
 83 #define R128_HOSTDATA_BLIT_OFFSET       32
 84 
 85 /* Keep these small for testing.
 86  */
 87 #define R128_NR_SAREA_CLIPRECTS         12
 88 
 89 /* There are 2 heaps (local/AGP).  Each region within a heap is a
 90  *  minimum of 64k, and there are at most 64 of them per heap.
 91  */
 92 #define R128_LOCAL_TEX_HEAP             0
 93 #define R128_AGP_TEX_HEAP               1
 94 #define R128_NR_TEX_HEAPS               2
 95 #define R128_NR_TEX_REGIONS             64
 96 #define R128_LOG_TEX_GRANULARITY        16
 97 
 98 #define R128_NR_CONTEXT_REGS            12
 99 
100 #define R128_MAX_TEXTURE_LEVELS         11
101 #define R128_MAX_TEXTURE_UNITS          2
102 
103 #endif                          /* __R128_SAREA_DEFINES__ */
104 
105 typedef struct {
106         /* Context state - can be written in one large chunk */
107         unsigned int dst_pitch_offset_c;
108         unsigned int dp_gui_master_cntl_c;
109         unsigned int sc_top_left_c;
110         unsigned int sc_bottom_right_c;
111         unsigned int z_offset_c;
112         unsigned int z_pitch_c;
113         unsigned int z_sten_cntl_c;
114         unsigned int tex_cntl_c;
115         unsigned int misc_3d_state_cntl_reg;
116         unsigned int texture_clr_cmp_clr_c;
117         unsigned int texture_clr_cmp_msk_c;
118         unsigned int fog_color_c;
119 
120         /* Texture state */
121         unsigned int tex_size_pitch_c;
122         unsigned int constant_color_c;
123 
124         /* Setup state */
125         unsigned int pm4_vc_fpu_setup;
126         unsigned int setup_cntl;
127 
128         /* Mask state */
129         unsigned int dp_write_mask;
130         unsigned int sten_ref_mask_c;
131         unsigned int plane_3d_mask_c;
132 
133         /* Window state */
134         unsigned int window_xy_offset;
135 
136         /* Core state */
137         unsigned int scale_3d_cntl;
138 } drm_r128_context_regs_t;
139 
140 /* Setup registers for each texture unit
141  */
142 typedef struct {
143         unsigned int tex_cntl;
144         unsigned int tex_combine_cntl;
145         unsigned int tex_size_pitch;
146         unsigned int tex_offset[R128_MAX_TEXTURE_LEVELS];
147         unsigned int tex_border_color;
148 } drm_r128_texture_regs_t;
149 
150 typedef struct drm_r128_sarea {
151         /* The channel for communication of state information to the kernel
152          * on firing a vertex buffer.
153          */
154         drm_r128_context_regs_t context_state;
155         drm_r128_texture_regs_t tex_state[R128_MAX_TEXTURE_UNITS];
156         unsigned int dirty;
157         unsigned int vertsize;
158         unsigned int vc_format;
159 
160         /* The current cliprects, or a subset thereof.
161          */
162         struct drm_clip_rect boxes[R128_NR_SAREA_CLIPRECTS];
163         unsigned int nbox;
164 
165         /* Counters for client-side throttling of rendering clients.
166          */
167         unsigned int last_frame;
168         unsigned int last_dispatch;
169 
170         struct drm_tex_region tex_list[R128_NR_TEX_HEAPS][R128_NR_TEX_REGIONS + 1];
171         unsigned int tex_age[R128_NR_TEX_HEAPS];
172         int ctx_owner;
173         int pfAllowPageFlip;    /* number of 3d windows (0,1,2 or more) */
174         int pfCurrentPage;      /* which buffer is being displayed? */
175 } drm_r128_sarea_t;
176 
177 /* WARNING: If you change any of these defines, make sure to change the
178  * defines in the Xserver file (xf86drmR128.h)
179  */
180 
181 /* Rage 128 specific ioctls
182  * The device specific ioctl range is 0x40 to 0x79.
183  */
184 #define DRM_R128_INIT       0x00
185 #define DRM_R128_CCE_START  0x01
186 #define DRM_R128_CCE_STOP   0x02
187 #define DRM_R128_CCE_RESET  0x03
188 #define DRM_R128_CCE_IDLE   0x04
189 /* 0x05 not used */
190 #define DRM_R128_RESET      0x06
191 #define DRM_R128_SWAP       0x07
192 #define DRM_R128_CLEAR      0x08
193 #define DRM_R128_VERTEX     0x09
194 #define DRM_R128_INDICES    0x0a
195 #define DRM_R128_BLIT       0x0b
196 #define DRM_R128_DEPTH      0x0c
197 #define DRM_R128_STIPPLE    0x0d
198 /* 0x0e not used */
199 #define DRM_R128_INDIRECT   0x0f
200 #define DRM_R128_FULLSCREEN 0x10
201 #define DRM_R128_CLEAR2     0x11
202 #define DRM_R128_GETPARAM   0x12
203 #define DRM_R128_FLIP       0x13
204 
205 #define DRM_IOCTL_R128_INIT       DRM_IOW( DRM_COMMAND_BASE + DRM_R128_INIT, drm_r128_init_t)
206 #define DRM_IOCTL_R128_CCE_START  DRM_IO(  DRM_COMMAND_BASE + DRM_R128_CCE_START)
207 #define DRM_IOCTL_R128_CCE_STOP   DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CCE_STOP, drm_r128_cce_stop_t)
208 #define DRM_IOCTL_R128_CCE_RESET  DRM_IO(  DRM_COMMAND_BASE + DRM_R128_CCE_RESET)
209 #define DRM_IOCTL_R128_CCE_IDLE   DRM_IO(  DRM_COMMAND_BASE + DRM_R128_CCE_IDLE)
210 /* 0x05 not used */
211 #define DRM_IOCTL_R128_RESET      DRM_IO(  DRM_COMMAND_BASE + DRM_R128_RESET)
212 #define DRM_IOCTL_R128_SWAP       DRM_IO(  DRM_COMMAND_BASE + DRM_R128_SWAP)
213 #define DRM_IOCTL_R128_CLEAR      DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CLEAR, drm_r128_clear_t)
214 #define DRM_IOCTL_R128_VERTEX     DRM_IOW( DRM_COMMAND_BASE + DRM_R128_VERTEX, drm_r128_vertex_t)
215 #define DRM_IOCTL_R128_INDICES    DRM_IOW( DRM_COMMAND_BASE + DRM_R128_INDICES, drm_r128_indices_t)
216 #define DRM_IOCTL_R128_BLIT       DRM_IOW( DRM_COMMAND_BASE + DRM_R128_BLIT, drm_r128_blit_t)
217 #define DRM_IOCTL_R128_DEPTH      DRM_IOW( DRM_COMMAND_BASE + DRM_R128_DEPTH, drm_r128_depth_t)
218 #define DRM_IOCTL_R128_STIPPLE    DRM_IOW( DRM_COMMAND_BASE + DRM_R128_STIPPLE, drm_r128_stipple_t)
219 /* 0x0e not used */
220 #define DRM_IOCTL_R128_INDIRECT   DRM_IOWR(DRM_COMMAND_BASE + DRM_R128_INDIRECT, drm_r128_indirect_t)
221 #define DRM_IOCTL_R128_FULLSCREEN DRM_IOW( DRM_COMMAND_BASE + DRM_R128_FULLSCREEN, drm_r128_fullscreen_t)
222 #define DRM_IOCTL_R128_CLEAR2     DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CLEAR2, drm_r128_clear2_t)
223 #define DRM_IOCTL_R128_GETPARAM   DRM_IOWR( DRM_COMMAND_BASE + DRM_R128_GETPARAM, drm_r128_getparam_t)
224 #define DRM_IOCTL_R128_FLIP       DRM_IO(  DRM_COMMAND_BASE + DRM_R128_FLIP)
225 
226 typedef struct drm_r128_init {
227         enum {
228                 R128_INIT_CCE = 0x01,
229                 R128_CLEANUP_CCE = 0x02
230         } func;
231         unsigned long sarea_priv_offset;
232         int is_pci;
233         int cce_mode;
234         int cce_secure;
235         int ring_size;
236         int usec_timeout;
237 
238         unsigned int fb_bpp;
239         unsigned int front_offset, front_pitch;
240         unsigned int back_offset, back_pitch;
241         unsigned int depth_bpp;
242         unsigned int depth_offset, depth_pitch;
243         unsigned int span_offset;
244 
245         unsigned long fb_offset;
246         unsigned long mmio_offset;
247         unsigned long ring_offset;
248         unsigned long ring_rptr_offset;
249         unsigned long buffers_offset;
250         unsigned long agp_textures_offset;
251 } drm_r128_init_t;
252 
253 typedef struct drm_r128_cce_stop {
254         int flush;
255         int idle;
256 } drm_r128_cce_stop_t;
257 
258 typedef struct drm_r128_clear {
259         unsigned int flags;
260         unsigned int clear_color;
261         unsigned int clear_depth;
262         unsigned int color_mask;
263         unsigned int depth_mask;
264 } drm_r128_clear_t;
265 
266 typedef struct drm_r128_vertex {
267         int prim;
268         int idx;                /* Index of vertex buffer */
269         int count;              /* Number of vertices in buffer */
270         int discard;            /* Client finished with buffer? */
271 } drm_r128_vertex_t;
272 
273 typedef struct drm_r128_indices {
274         int prim;
275         int idx;
276         int start;
277         int end;
278         int discard;            /* Client finished with buffer? */
279 } drm_r128_indices_t;
280 
281 typedef struct drm_r128_blit {
282         int idx;
283         int pitch;
284         int offset;
285         int format;
286         unsigned short x, y;
287         unsigned short width, height;
288 } drm_r128_blit_t;
289 
290 typedef struct drm_r128_depth {
291         enum {
292                 R128_WRITE_SPAN = 0x01,
293                 R128_WRITE_PIXELS = 0x02,
294                 R128_READ_SPAN = 0x03,
295                 R128_READ_PIXELS = 0x04
296         } func;
297         int n;
298         int __user *x;
299         int __user *y;
300         unsigned int __user *buffer;
301         unsigned char __user *mask;
302 } drm_r128_depth_t;
303 
304 typedef struct drm_r128_stipple {
305         unsigned int __user *mask;
306 } drm_r128_stipple_t;
307 
308 typedef struct drm_r128_indirect {
309         int idx;
310         int start;
311         int end;
312         int discard;
313 } drm_r128_indirect_t;
314 
315 typedef struct drm_r128_fullscreen {
316         enum {
317                 R128_INIT_FULLSCREEN = 0x01,
318                 R128_CLEANUP_FULLSCREEN = 0x02
319         } func;
320 } drm_r128_fullscreen_t;
321 
322 /* 2.3: An ioctl to get parameters that aren't available to the 3d
323  * client any other way.
324  */
325 #define R128_PARAM_IRQ_NR            1
326 
327 typedef struct drm_r128_getparam {
328         int param;
329         void __user *value;
330 } drm_r128_getparam_t;
331 
332 #if defined(__cplusplus)
333 }
334 #endif
335 
336 #endif
337 

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