linux/include/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/* 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
  99typedef 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 */
 136typedef 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
 144typedef 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
 220typedef struct drm_r128_init {
 221        enum {
 222                R128_INIT_CCE = 0x01,
 223                R128_CLEANUP_CCE = 0x02
 224        } func;
 225        unsigned long sarea_priv_offset;
 226        int is_pci;
 227        int cce_mode;
 228        int cce_secure;
 229        int ring_size;
 230        int usec_timeout;
 231
 232        unsigned int fb_bpp;
 233        unsigned int front_offset, front_pitch;
 234        unsigned int back_offset, back_pitch;
 235        unsigned int depth_bpp;
 236        unsigned int depth_offset, depth_pitch;
 237        unsigned int span_offset;
 238
 239        unsigned long fb_offset;
 240        unsigned long mmio_offset;
 241        unsigned long ring_offset;
 242        unsigned long ring_rptr_offset;
 243        unsigned long buffers_offset;
 244        unsigned long agp_textures_offset;
 245} drm_r128_init_t;
 246
 247typedef struct drm_r128_cce_stop {
 248        int flush;
 249        int idle;
 250} drm_r128_cce_stop_t;
 251
 252typedef struct drm_r128_clear {
 253        unsigned int flags;
 254        unsigned int clear_color;
 255        unsigned int clear_depth;
 256        unsigned int color_mask;
 257        unsigned int depth_mask;
 258} drm_r128_clear_t;
 259
 260typedef struct drm_r128_vertex {
 261        int prim;
 262        int idx;                /* Index of vertex buffer */
 263        int count;              /* Number of vertices in buffer */
 264        int discard;            /* Client finished with buffer? */
 265} drm_r128_vertex_t;
 266
 267typedef struct drm_r128_indices {
 268        int prim;
 269        int idx;
 270        int start;
 271        int end;
 272        int discard;            /* Client finished with buffer? */
 273} drm_r128_indices_t;
 274
 275typedef struct drm_r128_blit {
 276        int idx;
 277        int pitch;
 278        int offset;
 279        int format;
 280        unsigned short x, y;
 281        unsigned short width, height;
 282} drm_r128_blit_t;
 283
 284typedef struct drm_r128_depth {
 285        enum {
 286                R128_WRITE_SPAN = 0x01,
 287                R128_WRITE_PIXELS = 0x02,
 288                R128_READ_SPAN = 0x03,
 289                R128_READ_PIXELS = 0x04
 290        } func;
 291        int n;
 292        int __user *x;
 293        int __user *y;
 294        unsigned int __user *buffer;
 295        unsigned char __user *mask;
 296} drm_r128_depth_t;
 297
 298typedef struct drm_r128_stipple {
 299        unsigned int __user *mask;
 300} drm_r128_stipple_t;
 301
 302typedef struct drm_r128_indirect {
 303        int idx;
 304        int start;
 305        int end;
 306        int discard;
 307} drm_r128_indirect_t;
 308
 309typedef struct drm_r128_fullscreen {
 310        enum {
 311                R128_INIT_FULLSCREEN = 0x01,
 312                R128_CLEANUP_FULLSCREEN = 0x02
 313        } func;
 314} drm_r128_fullscreen_t;
 315
 316/* 2.3: An ioctl to get parameters that aren't available to the 3d
 317 * client any other way.
 318 */
 319#define R128_PARAM_IRQ_NR            1
 320
 321typedef struct drm_r128_getparam {
 322        int param;
 323        void __user *value;
 324} drm_r128_getparam_t;
 325
 326#endif
 327
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