FreeBSD/Linux Kernel Cross Reference
sys/dev/drm/radeon_drm.h

     /* radeon_drm.h -- Public header for the radeon driver -*- linux-c -*- */
     /*-
      * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
      * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
      * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.
      * All rights reserved.
      *
      * Permission is hereby granted, free of charge, to any person obtaining a
      * copy of this software and associated documentation files (the "Software"),
     * to deal in the Software without restriction, including without limitation
     * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     * and/or sell copies of the Software, and to permit persons to whom the
     * Software is furnished to do so, subject to the following conditions:
     *
     * The above copyright notice and this permission notice (including the next
     * paragraph) shall be included in all copies or substantial portions of the
     * Software.
     *
     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
     * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     * DEALINGS IN THE SOFTWARE.
     *
     * Authors:
     *    Kevin E. Martin <martin@valinux.com>
     *    Gareth Hughes <gareth@valinux.com>
     *    Keith Whitwell <keith@tungstengraphics.com>
     *
     * $FreeBSD$
     */
    
    #ifndef __RADEON_DRM_H__
    #define __RADEON_DRM_H__
    
    /* WARNING: If you change any of these defines, make sure to change the
     * defines in the X server file (radeon_sarea.h)
     */
    #ifndef __RADEON_SAREA_DEFINES__
    #define __RADEON_SAREA_DEFINES__
    
    /* Old style state flags, required for sarea interface (1.1 and 1.2
     * clears) and 1.2 drm_vertex2 ioctl.
     */
    #define RADEON_UPLOAD_CONTEXT           0x00000001
    #define RADEON_UPLOAD_VERTFMT           0x00000002
    #define RADEON_UPLOAD_LINE              0x00000004
    #define RADEON_UPLOAD_BUMPMAP           0x00000008
    #define RADEON_UPLOAD_MASKS             0x00000010
    #define RADEON_UPLOAD_VIEWPORT          0x00000020
    #define RADEON_UPLOAD_SETUP             0x00000040
    #define RADEON_UPLOAD_TCL               0x00000080
    #define RADEON_UPLOAD_MISC              0x00000100
    #define RADEON_UPLOAD_TEX0              0x00000200
    #define RADEON_UPLOAD_TEX1              0x00000400
    #define RADEON_UPLOAD_TEX2              0x00000800
    #define RADEON_UPLOAD_TEX0IMAGES        0x00001000
    #define RADEON_UPLOAD_TEX1IMAGES        0x00002000
    #define RADEON_UPLOAD_TEX2IMAGES        0x00004000
    #define RADEON_UPLOAD_CLIPRECTS         0x00008000 /* handled client-side */
    #define RADEON_REQUIRE_QUIESCENCE       0x00010000
    #define RADEON_UPLOAD_ZBIAS             0x00020000 /* version 1.2 and newer */
    #define RADEON_UPLOAD_ALL               0x003effff
    #define RADEON_UPLOAD_CONTEXT_ALL       0x003e01ff
    
    
    /* New style per-packet identifiers for use in cmd_buffer ioctl with
     * the RADEON_EMIT_PACKET command.  Comments relate new packets to old
     * state bits and the packet size:
     */
    #define RADEON_EMIT_PP_MISC                         0 /* context/7 */
    #define RADEON_EMIT_PP_CNTL                         1 /* context/3 */
    #define RADEON_EMIT_RB3D_COLORPITCH                 2 /* context/1 */
    #define RADEON_EMIT_RE_LINE_PATTERN                 3 /* line/2 */
    #define RADEON_EMIT_SE_LINE_WIDTH                   4 /* line/1 */
    #define RADEON_EMIT_PP_LUM_MATRIX                   5 /* bumpmap/1 */
    #define RADEON_EMIT_PP_ROT_MATRIX_0                 6 /* bumpmap/2 */
    #define RADEON_EMIT_RB3D_STENCILREFMASK             7 /* masks/3 */
    #define RADEON_EMIT_SE_VPORT_XSCALE                 8 /* viewport/6 */
    #define RADEON_EMIT_SE_CNTL                         9 /* setup/2 */
    #define RADEON_EMIT_SE_CNTL_STATUS                  10 /* setup/1 */
    #define RADEON_EMIT_RE_MISC                         11 /* misc/1 */
    #define RADEON_EMIT_PP_TXFILTER_0                   12 /* tex0/6 */
    #define RADEON_EMIT_PP_BORDER_COLOR_0               13 /* tex0/1 */
    #define RADEON_EMIT_PP_TXFILTER_1                   14 /* tex1/6 */
    #define RADEON_EMIT_PP_BORDER_COLOR_1               15 /* tex1/1 */
    #define RADEON_EMIT_PP_TXFILTER_2                   16 /* tex2/6 */
    #define RADEON_EMIT_PP_BORDER_COLOR_2               17 /* tex2/1 */
    #define RADEON_EMIT_SE_ZBIAS_FACTOR                 18 /* zbias/2 */
    #define RADEON_EMIT_SE_TCL_OUTPUT_VTX_FMT           19 /* tcl/11 */
    #define RADEON_EMIT_SE_TCL_MATERIAL_EMMISSIVE_RED   20 /* material/17 */
    #define R200_EMIT_PP_TXCBLEND_0                     21 /* tex0/4 */
    #define R200_EMIT_PP_TXCBLEND_1                     22 /* tex1/4 */
    #define R200_EMIT_PP_TXCBLEND_2                     23 /* tex2/4 */
    #define R200_EMIT_PP_TXCBLEND_3                     24 /* tex3/4 */
    #define R200_EMIT_PP_TXCBLEND_4                     25 /* tex4/4 */
    #define R200_EMIT_PP_TXCBLEND_5                     26 /* tex5/4 */
   #define R200_EMIT_PP_TXCBLEND_6                     27 /* /4 */
   #define R200_EMIT_PP_TXCBLEND_7                     28 /* /4 */
   #define R200_EMIT_TCL_LIGHT_MODEL_CTL_0             29 /* tcl/7 */
   #define R200_EMIT_TFACTOR_0                         30 /* tf/7 */
   #define R200_EMIT_VTX_FMT_0                         31 /* vtx/5 */
   #define R200_EMIT_VAP_CTL                           32 /* vap/1 */
   #define R200_EMIT_MATRIX_SELECT_0                   33 /* msl/5 */
   #define R200_EMIT_TEX_PROC_CTL_2                    34 /* tcg/5 */
   #define R200_EMIT_TCL_UCP_VERT_BLEND_CTL            35 /* tcl/1 */
   #define R200_EMIT_PP_TXFILTER_0                     36 /* tex0/6 */
   #define R200_EMIT_PP_TXFILTER_1                     37 /* tex1/6 */
   #define R200_EMIT_PP_TXFILTER_2                     38 /* tex2/6 */
   #define R200_EMIT_PP_TXFILTER_3                     39 /* tex3/6 */
   #define R200_EMIT_PP_TXFILTER_4                     40 /* tex4/6 */
   #define R200_EMIT_PP_TXFILTER_5                     41 /* tex5/6 */
   #define R200_EMIT_PP_TXOFFSET_0                     42 /* tex0/1 */
   #define R200_EMIT_PP_TXOFFSET_1                     43 /* tex1/1 */
   #define R200_EMIT_PP_TXOFFSET_2                     44 /* tex2/1 */
   #define R200_EMIT_PP_TXOFFSET_3                     45 /* tex3/1 */
   #define R200_EMIT_PP_TXOFFSET_4                     46 /* tex4/1 */
   #define R200_EMIT_PP_TXOFFSET_5                     47 /* tex5/1 */
   #define R200_EMIT_VTE_CNTL                          48 /* vte/1 */
   #define R200_EMIT_OUTPUT_VTX_COMP_SEL               49 /* vtx/1 */
   #define R200_EMIT_PP_TAM_DEBUG3                     50 /* tam/1 */
   #define R200_EMIT_PP_CNTL_X                         51 /* cst/1 */
   #define R200_EMIT_RB3D_DEPTHXY_OFFSET               52 /* cst/1 */
   #define R200_EMIT_RE_AUX_SCISSOR_CNTL               53 /* cst/1 */
   #define R200_EMIT_RE_SCISSOR_TL_0                   54 /* cst/2 */
   #define R200_EMIT_RE_SCISSOR_TL_1                   55 /* cst/2 */
   #define R200_EMIT_RE_SCISSOR_TL_2                   56 /* cst/2 */
   #define R200_EMIT_SE_VAP_CNTL_STATUS                57 /* cst/1 */
   #define R200_EMIT_SE_VTX_STATE_CNTL                 58 /* cst/1 */
   #define R200_EMIT_RE_POINTSIZE                      59 /* cst/1 */
   #define R200_EMIT_TCL_INPUT_VTX_VECTOR_ADDR_0       60 /* cst/4 */
   #define R200_EMIT_PP_CUBIC_FACES_0                  61
   #define R200_EMIT_PP_CUBIC_OFFSETS_0                62
   #define R200_EMIT_PP_CUBIC_FACES_1                  63
   #define R200_EMIT_PP_CUBIC_OFFSETS_1                64
   #define R200_EMIT_PP_CUBIC_FACES_2                  65
   #define R200_EMIT_PP_CUBIC_OFFSETS_2                66
   #define R200_EMIT_PP_CUBIC_FACES_3                  67
   #define R200_EMIT_PP_CUBIC_OFFSETS_3                68
   #define R200_EMIT_PP_CUBIC_FACES_4                  69
   #define R200_EMIT_PP_CUBIC_OFFSETS_4                70
   #define R200_EMIT_PP_CUBIC_FACES_5                  71
   #define R200_EMIT_PP_CUBIC_OFFSETS_5                72
   #define RADEON_EMIT_PP_TEX_SIZE_0                   73
   #define RADEON_EMIT_PP_TEX_SIZE_1                   74
   #define RADEON_EMIT_PP_TEX_SIZE_2                   75
   #define R200_EMIT_RB3D_BLENDCOLOR                   76
   #define RADEON_MAX_STATE_PACKETS                    77
   
   
   /* Commands understood by cmd_buffer ioctl.  More can be added but
    * obviously these can't be removed or changed:
    */
   #define RADEON_CMD_PACKET      1 /* emit one of the register packets above */
   #define RADEON_CMD_SCALARS     2 /* emit scalar data */
   #define RADEON_CMD_VECTORS     3 /* emit vector data */
   #define RADEON_CMD_DMA_DISCARD 4 /* discard current dma buf */
   #define RADEON_CMD_PACKET3     5 /* emit hw packet */
   #define RADEON_CMD_PACKET3_CLIP 6 /* emit hw packet wrapped in cliprects */
   #define RADEON_CMD_SCALARS2     7 /* r200 stopgap */
   #define RADEON_CMD_WAIT         8 /* emit hw wait commands -- note:
                                      *  doesn't make the cpu wait, just
                                      *  the graphics hardware */
   
   
   typedef union {
           int i;
           struct { 
                   unsigned char cmd_type, pad0, pad1, pad2;
           } header;
           struct { 
                   unsigned char cmd_type, packet_id, pad0, pad1;
           } packet;
           struct { 
                   unsigned char cmd_type, offset, stride, count; 
           } scalars;
           struct { 
                   unsigned char cmd_type, offset, stride, count; 
           } vectors;
           struct { 
                   unsigned char cmd_type, buf_idx, pad0, pad1; 
           } dma;
           struct { 
                   unsigned char cmd_type, flags, pad0, pad1; 
           } wait;
   } drm_radeon_cmd_header_t;
   
   #define RADEON_WAIT_2D  0x1
   #define RADEON_WAIT_3D  0x2
   
   
   #define RADEON_FRONT                    0x1
   #define RADEON_BACK                     0x2
   #define RADEON_DEPTH                    0x4
   #define RADEON_STENCIL                  0x8
   
   /* Primitive types
    */
   #define RADEON_POINTS                   0x1
   #define RADEON_LINES                    0x2
   #define RADEON_LINE_STRIP               0x3
   #define RADEON_TRIANGLES                0x4
   #define RADEON_TRIANGLE_FAN             0x5
   #define RADEON_TRIANGLE_STRIP           0x6
   
   /* Vertex/indirect buffer size
    */
   #define RADEON_BUFFER_SIZE              65536
   
   /* Byte offsets for indirect buffer data
    */
   #define RADEON_INDEX_PRIM_OFFSET        20
   
   #define RADEON_SCRATCH_REG_OFFSET       32
   
   #define RADEON_NR_SAREA_CLIPRECTS       12
   
   /* There are 2 heaps (local/GART).  Each region within a heap is a
    * minimum of 64k, and there are at most 64 of them per heap.
    */
   #define RADEON_LOCAL_TEX_HEAP           0
   #define RADEON_GART_TEX_HEAP            1
   #define RADEON_NR_TEX_HEAPS             2
   #define RADEON_NR_TEX_REGIONS           64
   #define RADEON_LOG_TEX_GRANULARITY      16
   
   #define RADEON_MAX_TEXTURE_LEVELS       12
   #define RADEON_MAX_TEXTURE_UNITS        3
   
   /* Blits have strict offset rules.  All blit offset must be aligned on
    * a 1K-byte boundary.
    */
   #define RADEON_OFFSET_SHIFT             10
   #define RADEON_OFFSET_ALIGN             (1 << RADEON_OFFSET_SHIFT)
   #define RADEON_OFFSET_MASK              (RADEON_OFFSET_ALIGN - 1)
   
   #endif /* __RADEON_SAREA_DEFINES__ */
   
   typedef struct {
           unsigned int red;
           unsigned int green;
           unsigned int blue;
           unsigned int alpha;
   } radeon_color_regs_t;
   
   typedef struct {
           /* Context state */
           unsigned int pp_misc;                           /* 0x1c14 */
           unsigned int pp_fog_color;
           unsigned int re_solid_color;
           unsigned int rb3d_blendcntl;
           unsigned int rb3d_depthoffset;
           unsigned int rb3d_depthpitch;
           unsigned int rb3d_zstencilcntl;
   
           unsigned int pp_cntl;                           /* 0x1c38 */
           unsigned int rb3d_cntl;
           unsigned int rb3d_coloroffset;
           unsigned int re_width_height;
           unsigned int rb3d_colorpitch;
           unsigned int se_cntl;
   
           /* Vertex format state */
           unsigned int se_coord_fmt;                      /* 0x1c50 */
   
           /* Line state */
           unsigned int re_line_pattern;                   /* 0x1cd0 */
           unsigned int re_line_state;
   
           unsigned int se_line_width;                     /* 0x1db8 */
   
           /* Bumpmap state */
           unsigned int pp_lum_matrix;                     /* 0x1d00 */
   
           unsigned int pp_rot_matrix_0;                   /* 0x1d58 */
           unsigned int pp_rot_matrix_1;
   
           /* Mask state */
           unsigned int rb3d_stencilrefmask;               /* 0x1d7c */
           unsigned int rb3d_ropcntl;
           unsigned int rb3d_planemask;
   
           /* Viewport state */
           unsigned int se_vport_xscale;                   /* 0x1d98 */
           unsigned int se_vport_xoffset;
           unsigned int se_vport_yscale;
           unsigned int se_vport_yoffset;
           unsigned int se_vport_zscale;
           unsigned int se_vport_zoffset;
   
           /* Setup state */
           unsigned int se_cntl_status;                    /* 0x2140 */
   
           /* Misc state */
           unsigned int re_top_left;                       /* 0x26c0 */
           unsigned int re_misc;
   } drm_radeon_context_regs_t;
   
   typedef struct {
           /* Zbias state */
           unsigned int se_zbias_factor;                   /* 0x1dac */
           unsigned int se_zbias_constant;
   } drm_radeon_context2_regs_t;
   
   
   /* Setup registers for each texture unit
    */
   typedef struct {
           unsigned int pp_txfilter;
           unsigned int pp_txformat;
           unsigned int pp_txoffset;
           unsigned int pp_txcblend;
           unsigned int pp_txablend;
           unsigned int pp_tfactor;
           unsigned int pp_border_color;
   } drm_radeon_texture_regs_t;
   
   typedef struct {
           unsigned int start;
           unsigned int finish;
           unsigned int prim:8;
           unsigned int stateidx:8;
           unsigned int numverts:16; /* overloaded as offset/64 for elt prims */
           unsigned int vc_format;   /* vertex format */
   } drm_radeon_prim_t;
   
   
   typedef struct {
           drm_radeon_context_regs_t context;
           drm_radeon_texture_regs_t tex[RADEON_MAX_TEXTURE_UNITS];
           drm_radeon_context2_regs_t context2;
           unsigned int dirty;
   } drm_radeon_state_t;
   
   
   typedef struct {
           /* The channel for communication of state information to the
            * kernel on firing a vertex buffer with either of the
            * obsoleted vertex/index ioctls.
            */
           drm_radeon_context_regs_t context_state;
           drm_radeon_texture_regs_t tex_state[RADEON_MAX_TEXTURE_UNITS];
           unsigned int dirty;
           unsigned int vertsize;
           unsigned int vc_format;
   
           /* The current cliprects, or a subset thereof.
            */
           drm_clip_rect_t boxes[RADEON_NR_SAREA_CLIPRECTS];
           unsigned int nbox;
   
           /* Counters for client-side throttling of rendering clients.
            */
           unsigned int last_frame;
           unsigned int last_dispatch;
           unsigned int last_clear;
   
           drm_tex_region_t tex_list[RADEON_NR_TEX_HEAPS][RADEON_NR_TEX_REGIONS+1];
           unsigned int tex_age[RADEON_NR_TEX_HEAPS];
           int ctx_owner;
           int pfState;                /* number of 3d windows (0,1,2ormore) */
           int pfCurrentPage;          /* which buffer is being displayed? */
           int crtc2_base;             /* CRTC2 frame offset */
   } drm_radeon_sarea_t;
   
   
   /* WARNING: If you change any of these defines, make sure to change the
    * defines in the Xserver file (xf86drmRadeon.h)
    *
    * KW: actually it's illegal to change any of this (backwards compatibility).
    */
   
   /* Radeon specific ioctls
    * The device specific ioctl range is 0x40 to 0x79.
    */
   #define DRM_RADEON_CP_INIT    0x00 
   #define DRM_RADEON_CP_START   0x01 
   #define DRM_RADEON_CP_STOP    0x02
   #define DRM_RADEON_CP_RESET   0x03
   #define DRM_RADEON_CP_IDLE    0x04
   #define DRM_RADEON_RESET      0x05 
   #define DRM_RADEON_FULLSCREEN 0x06
   #define DRM_RADEON_SWAP       0x07 
   #define DRM_RADEON_CLEAR      0x08 
   #define DRM_RADEON_VERTEX     0x09
   #define DRM_RADEON_INDICES    0x0A
   #define DRM_RADEON_NOT_USED
   #define DRM_RADEON_STIPPLE    0x0C
   #define DRM_RADEON_INDIRECT   0x0D
   #define DRM_RADEON_TEXTURE    0x0E
   #define DRM_RADEON_VERTEX2    0x0F
   #define DRM_RADEON_CMDBUF     0x10
   #define DRM_RADEON_GETPARAM   0x11
   #define DRM_RADEON_FLIP       0x12
   #define DRM_RADEON_ALLOC      0x13
   #define DRM_RADEON_FREE       0x14
   #define DRM_RADEON_INIT_HEAP  0x15
   #define DRM_RADEON_IRQ_EMIT   0x16
   #define DRM_RADEON_IRQ_WAIT   0x17
   #define DRM_RADEON_CP_RESUME  0x18
   #define DRM_RADEON_SETPARAM   0x19
   
   #define DRM_IOCTL_RADEON_CP_INIT    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CP_INIT, drm_radeon_init_t)
   #define DRM_IOCTL_RADEON_CP_START   DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_START)
   #define DRM_IOCTL_RADEON_CP_STOP    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CP_STOP, drm_radeon_cp_stop_t)
   #define DRM_IOCTL_RADEON_CP_RESET   DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_RESET)
   #define DRM_IOCTL_RADEON_CP_IDLE    DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_IDLE)
   #define DRM_IOCTL_RADEON_RESET      DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_RESET)
   #define DRM_IOCTL_RADEON_FULLSCREEN DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_FULLSCREEN, drm_radeon_fullscreen_t)
   #define DRM_IOCTL_RADEON_SWAP       DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_SWAP)
   #define DRM_IOCTL_RADEON_CLEAR      DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CLEAR, drm_radeon_clear_t)
   #define DRM_IOCTL_RADEON_VERTEX     DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_VERTEX, drm_radeon_vertex_t)
   #define DRM_IOCTL_RADEON_INDICES    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_INDICES, drm_radeon_indices_t)
   #define DRM_IOCTL_RADEON_STIPPLE    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_STIPPLE, drm_radeon_stipple_t)
   #define DRM_IOCTL_RADEON_INDIRECT   DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_INDIRECT, drm_radeon_indirect_t)
   #define DRM_IOCTL_RADEON_TEXTURE    DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_TEXTURE, drm_radeon_texture_t)
   #define DRM_IOCTL_RADEON_VERTEX2    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_VERTEX2, drm_radeon_vertex2_t)
   #define DRM_IOCTL_RADEON_CMDBUF     DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CMDBUF, drm_radeon_cmd_buffer_t)
   #define DRM_IOCTL_RADEON_GETPARAM   DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GETPARAM, drm_radeon_getparam_t)
   #define DRM_IOCTL_RADEON_FLIP       DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_FLIP)
   #define DRM_IOCTL_RADEON_ALLOC      DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_ALLOC, drm_radeon_mem_alloc_t)
   #define DRM_IOCTL_RADEON_FREE       DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_FREE, drm_radeon_mem_free_t)
   #define DRM_IOCTL_RADEON_INIT_HEAP  DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_INIT_HEAP, drm_radeon_mem_init_heap_t)
   #define DRM_IOCTL_RADEON_IRQ_EMIT   DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_IRQ_EMIT, drm_radeon_irq_emit_t)
   #define DRM_IOCTL_RADEON_IRQ_WAIT   DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_IRQ_WAIT, drm_radeon_irq_wait_t)
   #define DRM_IOCTL_RADEON_CP_RESUME  DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_RESUME)
   #define DRM_IOCTL_RADEON_SETPARAM   DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_SETPARAM, drm_radeon_setparam_t)
   
   typedef struct drm_radeon_init {
           enum {
                   RADEON_INIT_CP    = 0x01,
                   RADEON_CLEANUP_CP = 0x02,
                   RADEON_INIT_R200_CP = 0x03
           } func;
           unsigned long sarea_priv_offset;
           int is_pci;
           int cp_mode;
           int gart_size;
           int ring_size;
           int usec_timeout;
   
           unsigned int fb_bpp;
           unsigned int front_offset, front_pitch;
           unsigned int back_offset, back_pitch;
           unsigned int depth_bpp;
           unsigned int depth_offset, depth_pitch;
   
           unsigned long fb_offset;
           unsigned long mmio_offset;
           unsigned long ring_offset;
           unsigned long ring_rptr_offset;
           unsigned long buffers_offset;
           unsigned long gart_textures_offset;
   } drm_radeon_init_t;
   
   typedef struct drm_radeon_cp_stop {
           int flush;
           int idle;
   } drm_radeon_cp_stop_t;
   
   typedef struct drm_radeon_fullscreen {
           enum {
                   RADEON_INIT_FULLSCREEN    = 0x01,
                   RADEON_CLEANUP_FULLSCREEN = 0x02
           } func;
   } drm_radeon_fullscreen_t;
   
   #define CLEAR_X1        0
   #define CLEAR_Y1        1
   #define CLEAR_X2        2
   #define CLEAR_Y2        3
   #define CLEAR_DEPTH     4
   
   typedef union drm_radeon_clear_rect {
           float f[5];
           unsigned int ui[5];
   } drm_radeon_clear_rect_t;
   
   typedef struct drm_radeon_clear {
           unsigned int flags;
           unsigned int clear_color;
           unsigned int clear_depth;
           unsigned int color_mask;
           unsigned int depth_mask;   /* misnamed field:  should be stencil */
           drm_radeon_clear_rect_t *depth_boxes;
   } drm_radeon_clear_t;
   
   typedef struct drm_radeon_vertex {
           int prim;
           int idx;                        /* Index of vertex buffer */
           int count;                      /* Number of vertices in buffer */
           int discard;                    /* Client finished with buffer? */
   } drm_radeon_vertex_t;
   
   typedef struct drm_radeon_indices {
           int prim;
           int idx;
           int start;
           int end;
           int discard;                    /* Client finished with buffer? */
   } drm_radeon_indices_t;
   
   /* v1.2 - obsoletes drm_radeon_vertex and drm_radeon_indices
    *      - allows multiple primitives and state changes in a single ioctl
    *      - supports driver change to emit native primitives
    */
   typedef struct drm_radeon_vertex2 {
           int idx;                        /* Index of vertex buffer */
           int discard;                    /* Client finished with buffer? */
           int nr_states;
           drm_radeon_state_t *state;
           int nr_prims;
           drm_radeon_prim_t *prim;
   } drm_radeon_vertex2_t;
   
   /* v1.3 - obsoletes drm_radeon_vertex2
    *      - allows arbitarily large cliprect list 
    *      - allows updating of tcl packet, vector and scalar state
    *      - allows memory-efficient description of state updates
    *      - allows state to be emitted without a primitive 
    *           (for clears, ctx switches)
    *      - allows more than one dma buffer to be referenced per ioctl
    *      - supports tcl driver
    *      - may be extended in future versions with new cmd types, packets
    */
   typedef struct drm_radeon_cmd_buffer {
           int bufsz;
           char *buf;
           int nbox;
           drm_clip_rect_t *boxes;
   } drm_radeon_cmd_buffer_t;
   
   typedef struct drm_radeon_tex_image {
           unsigned int x, y;              /* Blit coordinates */
           unsigned int width, height;
           const void *data;
   } drm_radeon_tex_image_t;
   
   typedef struct drm_radeon_texture {
           unsigned int offset;
           int pitch;
           int format;
           int width;                      /* Texture image coordinates */
           int height;
           drm_radeon_tex_image_t *image;
   } drm_radeon_texture_t;
   
   typedef struct drm_radeon_stipple {
           unsigned int *mask;
   } drm_radeon_stipple_t;
   
   typedef struct drm_radeon_indirect {
           int idx;
           int start;
           int end;
           int discard;
   } drm_radeon_indirect_t;
   
   
   /* 1.3: An ioctl to get parameters that aren't available to the 3d
    * client any other way.  
    */
   #define RADEON_PARAM_GART_BUFFER_OFFSET    1 /* card offset of 1st GART buffer */
   #define RADEON_PARAM_LAST_FRAME            2
   #define RADEON_PARAM_LAST_DISPATCH         3
   #define RADEON_PARAM_LAST_CLEAR            4
   /* Added with DRM version 1.6. */
   #define RADEON_PARAM_IRQ_NR                5
   #define RADEON_PARAM_GART_BASE             6 /* card offset of GART base */
   /* Added with DRM version 1.8. */
   #define RADEON_PARAM_REGISTER_HANDLE       7 /* for drmMap() */
   #define RADEON_PARAM_STATUS_HANDLE         8
   #define RADEON_PARAM_SAREA_HANDLE          9
   #define RADEON_PARAM_GART_TEX_HANDLE       10
   #define RADEON_PARAM_SCRATCH_OFFSET        11
   
   typedef struct drm_radeon_getparam {
           int param;
           void *value;
   } drm_radeon_getparam_t;
   
   /* 1.6: Set up a memory manager for regions of shared memory:
    */
   #define RADEON_MEM_REGION_GART 1
   #define RADEON_MEM_REGION_FB   2
   
   typedef struct drm_radeon_mem_alloc {
           int region;
           int alignment;
           int size;
           int *region_offset;     /* offset from start of fb or GART */
   } drm_radeon_mem_alloc_t;
   
   typedef struct drm_radeon_mem_free {
           int region;
           int region_offset;
   } drm_radeon_mem_free_t;
   
   typedef struct drm_radeon_mem_init_heap {
           int region;
           int size;
           int start;      
   } drm_radeon_mem_init_heap_t;
   
   
   /* 1.6: Userspace can request & wait on irq's:
    */
   typedef struct drm_radeon_irq_emit {
           int *irq_seq;
   } drm_radeon_irq_emit_t;
   
   typedef struct drm_radeon_irq_wait {
           int irq_seq;
   } drm_radeon_irq_wait_t;
   
   
   /* 1.10: Clients tell the DRM where they think the framebuffer is located in
    * the card's address space, via a new generic ioctl to set parameters
    */
   
   typedef struct drm_radeon_setparam {
           unsigned int param;
           int64_t      value;
   } drm_radeon_setparam_t;
   
   #define RADEON_SETPARAM_FB_LOCATION    1 /* determined framebuffer location */
   
   
   #endif

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