drivers/char/drm/r128_drm.h

   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 /* WARNING: If you change any of these defines, make sure to change the
  37  * defines in the X server file (r128_sarea.h)
  38  */
  39 #ifndef __R128_SAREA_DEFINES__
  40 #define __R128_SAREA_DEFINES__
  41
  42 /* What needs to be changed for the current vertex buffer?
  43  */
  44 #define R128_UPLOAD_CONTEXT             0x001
  45 #define R128_UPLOAD_SETUP               0x002
  46 #define R128_UPLOAD_TEX0                0x004
  47 #define R128_UPLOAD_TEX1                0x008
  48 #define R128_UPLOAD_TEX0IMAGES          0x010
  49 #define R128_UPLOAD_TEX1IMAGES          0x020
  50 #define R128_UPLOAD_CORE                0x040
  51 #define R128_UPLOAD_MASKS               0x080
  52 #define R128_UPLOAD_WINDOW              0x100
  53 #define R128_UPLOAD_CLIPRECTS           0x200   /* handled client-side */
  54 #define R128_REQUIRE_QUIESCENCE         0x400
  55 #define R128_UPLOAD_ALL                 0x7ff
  56
  57 #define R128_FRONT                      0x1
  58 #define R128_BACK                       0x2
  59 #define R128_DEPTH                      0x4
  60
  61 /* Primitive types
  62  */
  63 #define R128_POINTS                     0x1
  64 #define R128_LINES                      0x2
  65 #define R128_LINE_STRIP                 0x3
  66 #define R128_TRIANGLES                  0x4
  67 #define R128_TRIANGLE_FAN               0x5
  68 #define R128_TRIANGLE_STRIP             0x6
  69
  70 /* Vertex/indirect buffer size
  71  */
  72 #define R128_BUFFER_SIZE                16384
  73
  74 /* Byte offsets for indirect buffer data
  75  */
  76 #define R128_INDEX_PRIM_OFFSET          20
  77 #define R128_HOSTDATA_BLIT_OFFSET       32
  78
  79 /* Keep these small for testing.
  80  */
  81 #define R128_NR_SAREA_CLIPRECTS         12
  82
  83 /* There are 2 heaps (local/AGP).  Each region within a heap is a
  84  *  minimum of 64k, and there are at most 64 of them per heap.
  85  */
  86 #define R128_LOCAL_TEX_HEAP             0
  87 #define R128_AGP_TEX_HEAP               1
  88 #define R128_NR_TEX_HEAPS               2
  89 #define R128_NR_TEX_REGIONS             64
  90 #define R128_LOG_TEX_GRANULARITY        16
  91
  92 #define R128_NR_CONTEXT_REGS            12
  93
  94 #define R128_MAX_TEXTURE_LEVELS         11
  95 #define R128_MAX_TEXTURE_UNITS          2
  96
  97 #endif                          /* __R128_SAREA_DEFINES__ */
  98
  99 typedef struct {
 100         /* Context state - can be written in one large chunk */
 101         unsigned int dst_pitch_offset_c;
 102         unsigned int dp_gui_master_cntl_c;
 103         unsigned int sc_top_left_c;
 104         unsigned int sc_bottom_right_c;
 105         unsigned int z_offset_c;
 106         unsigned int z_pitch_c;
 107         unsigned int z_sten_cntl_c;
 108         unsigned int tex_cntl_c;
 109         unsigned int misc_3d_state_cntl_reg;
 110         unsigned int texture_clr_cmp_clr_c;
 111         unsigned int texture_clr_cmp_msk_c;
 112         unsigned int fog_color_c;
 113
 114         /* Texture state */
 115         unsigned int tex_size_pitch_c;
 116         unsigned int constant_color_c;
 117
 118         /* Setup state */
 119         unsigned int pm4_vc_fpu_setup;
 120         unsigned int setup_cntl;
 121
 122         /* Mask state */
 123         unsigned int dp_write_mask;
 124         unsigned int sten_ref_mask_c;
 125         unsigned int plane_3d_mask_c;
 126
 127         /* Window state */
 128         unsigned int window_xy_offset;
 129
 130         /* Core state */
 131         unsigned int scale_3d_cntl;
 132 } drm_r128_context_regs_t;
 133
 134 /* Setup registers for each texture unit
 135  */
 136 typedef struct {
 137         unsigned int tex_cntl;
 138         unsigned int tex_combine_cntl;
 139         unsigned int tex_size_pitch;
 140         unsigned int tex_offset[R128_MAX_TEXTURE_LEVELS];
 141         unsigned int tex_border_color;
 142 } drm_r128_texture_regs_t;
 143
 144 typedef struct drm_r128_sarea {
 145         /* The channel for communication of state information to the kernel
 146          * on firing a vertex buffer.
 147          */
 148         drm_r128_context_regs_t context_state;
 149         drm_r128_texture_regs_t tex_state[R128_MAX_TEXTURE_UNITS];
 150         unsigned int dirty;
 151         unsigned int vertsize;
 152         unsigned int vc_format;
 153
 154         /* The current cliprects, or a subset thereof.
 155          */
 156         struct drm_clip_rect boxes[R128_NR_SAREA_CLIPRECTS];
 157         unsigned int nbox;
 158
 159         /* Counters for client-side throttling of rendering clients.
 160          */
 161         unsigned int last_frame;
 162         unsigned int last_dispatch;
 163
 164         struct drm_tex_region tex_list[R128_NR_TEX_HEAPS][R128_NR_TEX_REGIONS + 1];
 165         unsigned int tex_age[R128_NR_TEX_HEAPS];
 166         int ctx_owner;
 167         int pfAllowPageFlip;    /* number of 3d windows (0,1,2 or more) */
 168         int pfCurrentPage;      /* which buffer is being displayed? */
 169 } drm_r128_sarea_t;
 170
 171 /* WARNING: If you change any of these defines, make sure to change the
 172  * defines in the Xserver file (xf86drmR128.h)
 173  */
 174
 175 /* Rage 128 specific ioctls
 176  * The device specific ioctl range is 0x40 to 0x79.
 177  */
 178 #define DRM_R128_INIT       0x00
 179 #define DRM_R128_CCE_START  0x01
 180 #define DRM_R128_CCE_STOP   0x02
 181 #define DRM_R128_CCE_RESET  0x03
 182 #define DRM_R128_CCE_IDLE   0x04
 183 /* 0x05 not used */
 184 #define DRM_R128_RESET      0x06
 185 #define DRM_R128_SWAP       0x07
 186 #define DRM_R128_CLEAR      0x08
 187 #define DRM_R128_VERTEX     0x09
 188 #define DRM_R128_INDICES    0x0a
 189 #define DRM_R128_BLIT       0x0b
 190 #define DRM_R128_DEPTH      0x0c
 191 #define DRM_R128_STIPPLE    0x0d
 192 /* 0x0e not used */
 193 #define DRM_R128_INDIRECT   0x0f
 194 #define DRM_R128_FULLSCREEN 0x10
 195 #define DRM_R128_CLEAR2     0x11
 196 #define DRM_R128_GETPARAM   0x12
 197 #define DRM_R128_FLIP       0x13
 198
 199 #define DRM_IOCTL_R128_INIT       DRM_IOW( DRM_COMMAND_BASE + DRM_R128_INIT, drm_r128_init_t)
 200 #define DRM_IOCTL_R128_CCE_START  DRM_IO(  DRM_COMMAND_BASE + DRM_R128_CCE_START)
 201 #define DRM_IOCTL_R128_CCE_STOP   DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CCE_STOP, drm_r128_cce_stop_t)
 202 #define DRM_IOCTL_R128_CCE_RESET  DRM_IO(  DRM_COMMAND_BASE + DRM_R128_CCE_RESET)
 203 #define DRM_IOCTL_R128_CCE_IDLE   DRM_IO(  DRM_COMMAND_BASE + DRM_R128_CCE_IDLE)
 204 /* 0x05 not used */
 205 #define DRM_IOCTL_R128_RESET      DRM_IO(  DRM_COMMAND_BASE + DRM_R128_RESET)
 206 #define DRM_IOCTL_R128_SWAP       DRM_IO(  DRM_COMMAND_BASE + DRM_R128_SWAP)
 207 #define DRM_IOCTL_R128_CLEAR      DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CLEAR, drm_r128_clear_t)
 208 #define DRM_IOCTL_R128_VERTEX     DRM_IOW( DRM_COMMAND_BASE + DRM_R128_VERTEX, drm_r128_vertex_t)
 209 #define DRM_IOCTL_R128_INDICES    DRM_IOW( DRM_COMMAND_BASE + DRM_R128_INDICES, drm_r128_indices_t)
 210 #define DRM_IOCTL_R128_BLIT       DRM_IOW( DRM_COMMAND_BASE + DRM_R128_BLIT, drm_r128_blit_t)
 211 #define DRM_IOCTL_R128_DEPTH      DRM_IOW( DRM_COMMAND_BASE + DRM_R128_DEPTH, drm_r128_depth_t)
 212 #define DRM_IOCTL_R128_STIPPLE    DRM_IOW( DRM_COMMAND_BASE + DRM_R128_STIPPLE, drm_r128_stipple_t)
 213 /* 0x0e not used */
 214 #define DRM_IOCTL_R128_INDIRECT   DRM_IOWR(DRM_COMMAND_BASE + DRM_R128_INDIRECT, drm_r128_indirect_t)
 215 #define DRM_IOCTL_R128_FULLSCREEN DRM_IOW( DRM_COMMAND_BASE + DRM_R128_FULLSCREEN, drm_r128_fullscreen_t)
 216 #define DRM_IOCTL_R128_CLEAR2     DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CLEAR2, drm_r128_clear2_t)
 217 #define DRM_IOCTL_R128_GETPARAM   DRM_IOWR( DRM_COMMAND_BASE + DRM_R128_GETPARAM, drm_r128_getparam_t)
 218 #define DRM_IOCTL_R128_FLIP       DRM_IO(  DRM_COMMAND_BASE + DRM_R128_FLIP)
 219
 220 typedef struct drm_r128_init {
 221         enum {
 222                 R128_INIT_CCE = 0x01,
 223                 R128_CLEANUP_CCE = 0x02
 224         } func;
 225 #if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0)
 226         int sarea_priv_offset;
 227 #else
 228         unsigned long sarea_priv_offset;
 229 #endif
 230         int is_pci;
 231         int cce_mode;
 232         int cce_secure;
 233         int ring_size;
 234         int usec_timeout;
 235
 236         unsigned int fb_bpp;
 237         unsigned int front_offset, front_pitch;
 238         unsigned int back_offset, back_pitch;
 239         unsigned int depth_bpp;
 240         unsigned int depth_offset, depth_pitch;
 241         unsigned int span_offset;
 242
 243 #if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0)
 244         unsigned int fb_offset;
 245         unsigned int mmio_offset;
 246         unsigned int ring_offset;
 247         unsigned int ring_rptr_offset;
 248         unsigned int buffers_offset;
 249         unsigned int agp_textures_offset;
 250 #else
 251         unsigned long fb_offset;
 252         unsigned long mmio_offset;
 253         unsigned long ring_offset;
 254         unsigned long ring_rptr_offset;
 255         unsigned long buffers_offset;
 256         unsigned long agp_textures_offset;
 257 #endif
 258 } drm_r128_init_t;
 259
 260 typedef struct drm_r128_cce_stop {
 261         int flush;
 262         int idle;
 263 } drm_r128_cce_stop_t;
 264
 265 typedef struct drm_r128_clear {
 266         unsigned int flags;
 267 #if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0)
 268         int x, y, w, h;
 269 #endif
 270         unsigned int clear_color;
 271         unsigned int clear_depth;
 272 #if CONFIG_XFREE86_VERSION >= XFREE86_VERSION(4,1,0,0)
 273         unsigned int color_mask;
 274         unsigned int depth_mask;
 275 #endif
 276 } drm_r128_clear_t;
 277
 278 typedef struct drm_r128_vertex {
 279         int prim;
 280         int idx;                /* Index of vertex buffer */
 281         int count;              /* Number of vertices in buffer */
 282         int discard;            /* Client finished with buffer? */
 283 } drm_r128_vertex_t;
 284
 285 typedef struct drm_r128_indices {
 286         int prim;
 287         int idx;
 288         int start;
 289         int end;
 290         int discard;            /* Client finished with buffer? */
 291 } drm_r128_indices_t;
 292
 293 typedef struct drm_r128_blit {
 294         int idx;
 295         int pitch;
 296         int offset;
 297         int format;
 298         unsigned short x, y;
 299         unsigned short width, height;
 300 } drm_r128_blit_t;
 301
 302 typedef struct drm_r128_depth {
 303         enum {
 304                 R128_WRITE_SPAN = 0x01,
 305                 R128_WRITE_PIXELS = 0x02,
 306                 R128_READ_SPAN = 0x03,
 307                 R128_READ_PIXELS = 0x04
 308         } func;
 309         int n;
 310         int __user *x;
 311         int __user *y;
 312         unsigned int __user *buffer;
 313         unsigned char __user *mask;
 314 } drm_r128_depth_t;
 315
 316 typedef struct drm_r128_stipple {
 317         unsigned int __user *mask;
 318 } drm_r128_stipple_t;
 319
 320 typedef struct drm_r128_indirect {
 321         int idx;
 322         int start;
 323         int end;
 324         int discard;
 325 } drm_r128_indirect_t;
 326
 327 typedef struct drm_r128_fullscreen {
 328         enum {
 329                 R128_INIT_FULLSCREEN = 0x01,
 330                 R128_CLEANUP_FULLSCREEN = 0x02
 331         } func;
 332 } drm_r128_fullscreen_t;
 333
 334 /* 2.3: An ioctl to get parameters that aren't available to the 3d
 335  * client any other way.
 336  */
 337 #define R128_PARAM_IRQ_NR            1
 338
 339 typedef struct drm_r128_getparam {
 340         int param;
 341         void __user *value;
 342 } drm_r128_getparam_t;
 343
 344 #endif