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 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #ifndef __R128_DRM_H__ 37 #define __R128_DRM_H__ 38 39 /* WARNING: If you change any of these defines, make sure to change the 40 * defines in the X server file (r128_sarea.h) 41 */ 42 #ifndef __R128_SAREA_DEFINES__ 43 #define __R128_SAREA_DEFINES__ 44 45 /* What needs to be changed for the current vertex buffer? 46 */ 47 #define R128_UPLOAD_CONTEXT 0x001 48 #define R128_UPLOAD_SETUP 0x002 49 #define R128_UPLOAD_TEX0 0x004 50 #define R128_UPLOAD_TEX1 0x008 51 #define R128_UPLOAD_TEX0IMAGES 0x010 52 #define R128_UPLOAD_TEX1IMAGES 0x020 53 #define R128_UPLOAD_CORE 0x040 54 #define R128_UPLOAD_MASKS 0x080 55 #define R128_UPLOAD_WINDOW 0x100 56 #define R128_UPLOAD_CLIPRECTS 0x200 /* handled client-side */ 57 #define R128_REQUIRE_QUIESCENCE 0x400 58 #define R128_UPLOAD_ALL 0x7ff 59 60 #define R128_FRONT 0x1 61 #define R128_BACK 0x2 62 #define R128_DEPTH 0x4 63 64 /* Primitive types 65 */ 66 #define R128_POINTS 0x1 67 #define R128_LINES 0x2 68 #define R128_LINE_STRIP 0x3 69 #define R128_TRIANGLES 0x4 70 #define R128_TRIANGLE_FAN 0x5 71 #define R128_TRIANGLE_STRIP 0x6 72 73 /* Vertex/indirect buffer size 74 */ 75 #define R128_BUFFER_SIZE 16384 76 77 /* Byte offsets for indirect buffer data 78 */ 79 #define R128_INDEX_PRIM_OFFSET 20 80 #define R128_HOSTDATA_BLIT_OFFSET 32 81 82 /* Keep these small for testing. 83 */ 84 #define R128_NR_SAREA_CLIPRECTS 12 85 86 /* There are 2 heaps (local/AGP). Each region within a heap is a 87 * minimum of 64k, and there are at most 64 of them per heap. 88 */ 89 #define R128_LOCAL_TEX_HEAP 0 90 #define R128_AGP_TEX_HEAP 1 91 #define R128_NR_TEX_HEAPS 2 92 #define R128_NR_TEX_REGIONS 64 93 #define R128_LOG_TEX_GRANULARITY 16 94 95 #define R128_NR_CONTEXT_REGS 12 96 97 #define R128_MAX_TEXTURE_LEVELS 11 98 #define R128_MAX_TEXTURE_UNITS 2 99 100 #endif /* __R128_SAREA_DEFINES__ */ 101 102 typedef struct { 103 /* Context state - can be written in one large chunk */ 104 unsigned int dst_pitch_offset_c; 105 unsigned int dp_gui_master_cntl_c; 106 unsigned int sc_top_left_c; 107 unsigned int sc_bottom_right_c; 108 unsigned int z_offset_c; 109 unsigned int z_pitch_c; 110 unsigned int z_sten_cntl_c; 111 unsigned int tex_cntl_c; 112 unsigned int misc_3d_state_cntl_reg; 113 unsigned int texture_clr_cmp_clr_c; 114 unsigned int texture_clr_cmp_msk_c; 115 unsigned int fog_color_c; 116 117 /* Texture state */ 118 unsigned int tex_size_pitch_c; 119 unsigned int constant_color_c; 120 121 /* Setup state */ 122 unsigned int pm4_vc_fpu_setup; 123 unsigned int setup_cntl; 124 125 /* Mask state */ 126 unsigned int dp_write_mask; 127 unsigned int sten_ref_mask_c; 128 unsigned int plane_3d_mask_c; 129 130 /* Window state */ 131 unsigned int window_xy_offset; 132 133 /* Core state */ 134 unsigned int scale_3d_cntl; 135 } drm_r128_context_regs_t; 136 137 /* Setup registers for each texture unit 138 */ 139 typedef struct { 140 unsigned int tex_cntl; 141 unsigned int tex_combine_cntl; 142 unsigned int tex_size_pitch; 143 unsigned int tex_offset[R128_MAX_TEXTURE_LEVELS]; 144 unsigned int tex_border_color; 145 } drm_r128_texture_regs_t; 146 147 typedef struct drm_r128_sarea { 148 /* The channel for communication of state information to the kernel 149 * on firing a vertex buffer. 150 */ 151 drm_r128_context_regs_t context_state; 152 drm_r128_texture_regs_t tex_state[R128_MAX_TEXTURE_UNITS]; 153 unsigned int dirty; 154 unsigned int vertsize; 155 unsigned int vc_format; 156 157 /* The current cliprects, or a subset thereof. 158 */ 159 struct drm_clip_rect boxes[R128_NR_SAREA_CLIPRECTS]; 160 unsigned int nbox; 161 162 /* Counters for client-side throttling of rendering clients. 163 */ 164 unsigned int last_frame; 165 unsigned int last_dispatch; 166 167 struct drm_tex_region tex_list[R128_NR_TEX_HEAPS][R128_NR_TEX_REGIONS + 1]; 168 unsigned int tex_age[R128_NR_TEX_HEAPS]; 169 int ctx_owner; 170 int pfAllowPageFlip; /* number of 3d windows (0,1,2 or more) */ 171 int pfCurrentPage; /* which buffer is being displayed? */ 172 } drm_r128_sarea_t; 173 174 /* WARNING: If you change any of these defines, make sure to change the 175 * defines in the Xserver file (xf86drmR128.h) 176 */ 177 178 /* Rage 128 specific ioctls 179 * The device specific ioctl range is 0x40 to 0x79. 180 */ 181 #define DRM_R128_INIT 0x00 182 #define DRM_R128_CCE_START 0x01 183 #define DRM_R128_CCE_STOP 0x02 184 #define DRM_R128_CCE_RESET 0x03 185 #define DRM_R128_CCE_IDLE 0x04 186 /* 0x05 not used */ 187 #define DRM_R128_RESET 0x06 188 #define DRM_R128_SWAP 0x07 189 #define DRM_R128_CLEAR 0x08 190 #define DRM_R128_VERTEX 0x09 191 #define DRM_R128_INDICES 0x0a 192 #define DRM_R128_BLIT 0x0b 193 #define DRM_R128_DEPTH 0x0c 194 #define DRM_R128_STIPPLE 0x0d 195 /* 0x0e not used */ 196 #define DRM_R128_INDIRECT 0x0f 197 #define DRM_R128_FULLSCREEN 0x10 198 #define DRM_R128_CLEAR2 0x11 199 #define DRM_R128_GETPARAM 0x12 200 #define DRM_R128_FLIP 0x13 201 202 #define DRM_IOCTL_R128_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_R128_INIT, drm_r128_init_t) 203 #define DRM_IOCTL_R128_CCE_START DRM_IO( DRM_COMMAND_BASE + DRM_R128_CCE_START) 204 #define DRM_IOCTL_R128_CCE_STOP DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CCE_STOP, drm_r128_cce_stop_t) 205 #define DRM_IOCTL_R128_CCE_RESET DRM_IO( DRM_COMMAND_BASE + DRM_R128_CCE_RESET) 206 #define DRM_IOCTL_R128_CCE_IDLE DRM_IO( DRM_COMMAND_BASE + DRM_R128_CCE_IDLE) 207 /* 0x05 not used */ 208 #define DRM_IOCTL_R128_RESET DRM_IO( DRM_COMMAND_BASE + DRM_R128_RESET) 209 #define DRM_IOCTL_R128_SWAP DRM_IO( DRM_COMMAND_BASE + DRM_R128_SWAP) 210 #define DRM_IOCTL_R128_CLEAR DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CLEAR, drm_r128_clear_t) 211 #define DRM_IOCTL_R128_VERTEX DRM_IOW( DRM_COMMAND_BASE + DRM_R128_VERTEX, drm_r128_vertex_t) 212 #define DRM_IOCTL_R128_INDICES DRM_IOW( DRM_COMMAND_BASE + DRM_R128_INDICES, drm_r128_indices_t) 213 #define DRM_IOCTL_R128_BLIT DRM_IOW( DRM_COMMAND_BASE + DRM_R128_BLIT, drm_r128_blit_t) 214 #define DRM_IOCTL_R128_DEPTH DRM_IOW( DRM_COMMAND_BASE + DRM_R128_DEPTH, drm_r128_depth_t) 215 #define DRM_IOCTL_R128_STIPPLE DRM_IOW( DRM_COMMAND_BASE + DRM_R128_STIPPLE, drm_r128_stipple_t) 216 /* 0x0e not used */ 217 #define DRM_IOCTL_R128_INDIRECT DRM_IOWR(DRM_COMMAND_BASE + DRM_R128_INDIRECT, drm_r128_indirect_t) 218 #define DRM_IOCTL_R128_FULLSCREEN DRM_IOW( DRM_COMMAND_BASE + DRM_R128_FULLSCREEN, drm_r128_fullscreen_t) 219 #define DRM_IOCTL_R128_CLEAR2 DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CLEAR2, drm_r128_clear2_t) 220 #define DRM_IOCTL_R128_GETPARAM DRM_IOWR( DRM_COMMAND_BASE + DRM_R128_GETPARAM, drm_r128_getparam_t) 221 #define DRM_IOCTL_R128_FLIP DRM_IO( DRM_COMMAND_BASE + DRM_R128_FLIP) 222 223 typedef struct drm_r128_init { 224 enum { 225 R128_INIT_CCE = 0x01, 226 R128_CLEANUP_CCE = 0x02 227 } func; 228 unsigned long sarea_priv_offset; 229 int is_pci; 230 int cce_mode; 231 int cce_secure; 232 int ring_size; 233 int usec_timeout; 234 235 unsigned int fb_bpp; 236 unsigned int front_offset, front_pitch; 237 unsigned int back_offset, back_pitch; 238 unsigned int depth_bpp; 239 unsigned int depth_offset, depth_pitch; 240 unsigned int span_offset; 241 242 unsigned long fb_offset; 243 unsigned long mmio_offset; 244 unsigned long ring_offset; 245 unsigned long ring_rptr_offset; 246 unsigned long buffers_offset; 247 unsigned long agp_textures_offset; 248 } drm_r128_init_t; 249 250 typedef struct drm_r128_cce_stop { 251 int flush; 252 int idle; 253 } drm_r128_cce_stop_t; 254 255 typedef struct drm_r128_clear { 256 unsigned int flags; 257 unsigned int clear_color; 258 unsigned int clear_depth; 259 unsigned int color_mask; 260 unsigned int depth_mask; 261 } drm_r128_clear_t; 262 263 typedef struct drm_r128_vertex { 264 int prim; 265 int idx; /* Index of vertex buffer */ 266 int count; /* Number of vertices in buffer */ 267 int discard; /* Client finished with buffer? */ 268 } drm_r128_vertex_t; 269 270 typedef struct drm_r128_indices { 271 int prim; 272 int idx; 273 int start; 274 int end; 275 int discard; /* Client finished with buffer? */ 276 } drm_r128_indices_t; 277 278 typedef struct drm_r128_blit { 279 int idx; 280 int pitch; 281 int offset; 282 int format; 283 unsigned short x, y; 284 unsigned short width, height; 285 } drm_r128_blit_t; 286 287 typedef struct drm_r128_depth { 288 enum { 289 R128_WRITE_SPAN = 0x01, 290 R128_WRITE_PIXELS = 0x02, 291 R128_READ_SPAN = 0x03, 292 R128_READ_PIXELS = 0x04 293 } func; 294 int n; 295 int __user *x; 296 int __user *y; 297 unsigned int __user *buffer; 298 unsigned char __user *mask; 299 } drm_r128_depth_t; 300 301 typedef struct drm_r128_stipple { 302 unsigned int __user *mask; 303 } drm_r128_stipple_t; 304 305 typedef struct drm_r128_indirect { 306 int idx; 307 int start; 308 int end; 309 int discard; 310 } drm_r128_indirect_t; 311 312 typedef struct drm_r128_fullscreen { 313 enum { 314 R128_INIT_FULLSCREEN = 0x01, 315 R128_CLEANUP_FULLSCREEN = 0x02 316 } func; 317 } drm_r128_fullscreen_t; 318 319 /* 2.3: An ioctl to get parameters that aren't available to the 3d 320 * client any other way. 321 */ 322 #define R128_PARAM_IRQ_NR 1 323 324 typedef struct drm_r128_getparam { 325 int param; 326 void __user *value; 327 } drm_r128_getparam_t; 328 329 #endif 330