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