FreeBSD/Linux Kernel Cross Reference
sys/dev/drm/r128_drm.h

     /* r128_drm.h -- Public header for the r128 driver -*- linux-c -*-
      * Created: Wed Apr  5 19:24:19 2000 by kevin@precisioninsight.com
      *
      * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
      * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
      * 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:
     *    Gareth Hughes <gareth@valinux.com>
     *    Kevin E. Martin <martin@valinux.com>
     *
     * $FreeBSD: releng/5.0/sys/dev/drm/r128_drm.h 95746 2002-04-29 18:18:42Z anholt $
     */
    
    #ifndef __R128_DRM_H__
    #define __R128_DRM_H__
    
    /* WARNING: If you change any of these defines, make sure to change the
     * defines in the X server file (r128_sarea.h)
     */
    #ifndef __R128_SAREA_DEFINES__
    #define __R128_SAREA_DEFINES__
    
    /* What needs to be changed for the current vertex buffer?
     */
    #define R128_UPLOAD_CONTEXT             0x001
    #define R128_UPLOAD_SETUP               0x002
    #define R128_UPLOAD_TEX0                0x004
    #define R128_UPLOAD_TEX1                0x008
    #define R128_UPLOAD_TEX0IMAGES          0x010
    #define R128_UPLOAD_TEX1IMAGES          0x020
    #define R128_UPLOAD_CORE                0x040
    #define R128_UPLOAD_MASKS               0x080
    #define R128_UPLOAD_WINDOW              0x100
    #define R128_UPLOAD_CLIPRECTS           0x200   /* handled client-side */
    #define R128_REQUIRE_QUIESCENCE         0x400
    #define R128_UPLOAD_ALL                 0x7ff
    
    #define R128_FRONT                      0x1
    #define R128_BACK                       0x2
    #define R128_DEPTH                      0x4
    
    /* Primitive types
     */
    #define R128_POINTS                     0x1
    #define R128_LINES                      0x2
    #define R128_LINE_STRIP                 0x3
    #define R128_TRIANGLES                  0x4
    #define R128_TRIANGLE_FAN               0x5
    #define R128_TRIANGLE_STRIP             0x6
    
    /* Vertex/indirect buffer size
     */
    #define R128_BUFFER_SIZE                16384
    
    /* Byte offsets for indirect buffer data
     */
    #define R128_INDEX_PRIM_OFFSET          20
    #define R128_HOSTDATA_BLIT_OFFSET       32
    
    /* Keep these small for testing.
     */
    #define R128_NR_SAREA_CLIPRECTS         12
    
    /* There are 2 heaps (local/AGP).  Each region within a heap is a
     *  minimum of 64k, and there are at most 64 of them per heap.
     */
    #define R128_LOCAL_TEX_HEAP             0
    #define R128_AGP_TEX_HEAP               1
    #define R128_NR_TEX_HEAPS               2
    #define R128_NR_TEX_REGIONS             64
    #define R128_LOG_TEX_GRANULARITY        16
    
    #define R128_NR_CONTEXT_REGS            12
    
    #define R128_MAX_TEXTURE_LEVELS         11
    #define R128_MAX_TEXTURE_UNITS          2
    
    #endif /* __R128_SAREA_DEFINES__ */
    
   typedef struct {
           /* Context state - can be written in one large chunk */
           unsigned int dst_pitch_offset_c;
           unsigned int dp_gui_master_cntl_c;
           unsigned int sc_top_left_c;
           unsigned int sc_bottom_right_c;
           unsigned int z_offset_c;
           unsigned int z_pitch_c;
           unsigned int z_sten_cntl_c;
           unsigned int tex_cntl_c;
           unsigned int misc_3d_state_cntl_reg;
           unsigned int texture_clr_cmp_clr_c;
           unsigned int texture_clr_cmp_msk_c;
           unsigned int fog_color_c;
   
           /* Texture state */
           unsigned int tex_size_pitch_c;
           unsigned int constant_color_c;
   
           /* Setup state */
           unsigned int pm4_vc_fpu_setup;
           unsigned int setup_cntl;
   
           /* Mask state */
           unsigned int dp_write_mask;
           unsigned int sten_ref_mask_c;
           unsigned int plane_3d_mask_c;
   
           /* Window state */
           unsigned int window_xy_offset;
   
           /* Core state */
           unsigned int scale_3d_cntl;
   } drm_r128_context_regs_t;
   
   /* Setup registers for each texture unit
    */
   typedef struct {
           unsigned int tex_cntl;
           unsigned int tex_combine_cntl;
           unsigned int tex_size_pitch;
           unsigned int tex_offset[R128_MAX_TEXTURE_LEVELS];
           unsigned int tex_border_color;
   } drm_r128_texture_regs_t;
   
   
   typedef struct drm_r128_sarea {
           /* The channel for communication of state information to the kernel
            * on firing a vertex buffer.
            */
           drm_r128_context_regs_t context_state;
           drm_r128_texture_regs_t tex_state[R128_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[R128_NR_SAREA_CLIPRECTS];
           unsigned int nbox;
   
           /* Counters for client-side throttling of rendering clients.
            */
           unsigned int last_frame;
           unsigned int last_dispatch;
   
           drm_tex_region_t tex_list[R128_NR_TEX_HEAPS][R128_NR_TEX_REGIONS+1];
           int tex_age[R128_NR_TEX_HEAPS];
           int ctx_owner;
   } drm_r128_sarea_t;
   
   
   /* WARNING: If you change any of these defines, make sure to change the
    * defines in the Xserver file (xf86drmR128.h)
    */
   
   /* Rage 128 specific ioctls */
   #define DRM_IOCTL_R128_INIT             DRM_IOW( 0x40, drm_r128_init_t)
   #define DRM_IOCTL_R128_CCE_START        DRM_IO(  0x41)
   #define DRM_IOCTL_R128_CCE_STOP         DRM_IOW( 0x42, drm_r128_cce_stop_t)
   #define DRM_IOCTL_R128_CCE_RESET        DRM_IO(  0x43)
   #define DRM_IOCTL_R128_CCE_IDLE         DRM_IO(  0x44)
   #define DRM_IOCTL_R128_RESET            DRM_IO(  0x46)
   #define DRM_IOCTL_R128_SWAP             DRM_IO(  0x47)
   #define DRM_IOCTL_R128_CLEAR            DRM_IOW( 0x48, drm_r128_clear_t)
   #define DRM_IOCTL_R128_VERTEX           DRM_IOW( 0x49, drm_r128_vertex_t)
   #define DRM_IOCTL_R128_INDICES          DRM_IOW( 0x4a, drm_r128_indices_t)
   #define DRM_IOCTL_R128_BLIT             DRM_IOW( 0x4b, drm_r128_blit_t)
   #define DRM_IOCTL_R128_DEPTH            DRM_IOW( 0x4c, drm_r128_depth_t)
   #define DRM_IOCTL_R128_STIPPLE          DRM_IOW( 0x4d, drm_r128_stipple_t)
   #define DRM_IOCTL_R128_INDIRECT         DRM_IOWR(0x4f, drm_r128_indirect_t)
   #define DRM_IOCTL_R128_FULLSCREEN       DRM_IOW( 0x50, drm_r128_fullscreen_t)
   
   typedef struct drm_r128_init {
           enum {
                   R128_INIT_CCE    = 0x01,
                   R128_CLEANUP_CCE = 0x02
           } func;
   #if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0)
           int sarea_priv_offset;
   #else
           unsigned long sarea_priv_offset;
   #endif
           int is_pci;
           int cce_mode;
           int cce_secure;
           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 int span_offset;
   
   #if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0)
           unsigned int fb_offset;
           unsigned int mmio_offset;
           unsigned int ring_offset;
           unsigned int ring_rptr_offset;
           unsigned int buffers_offset;
           unsigned int agp_textures_offset;
   #else
           unsigned long fb_offset;
           unsigned long mmio_offset;
           unsigned long ring_offset;
           unsigned long ring_rptr_offset;
           unsigned long buffers_offset;
           unsigned long agp_textures_offset;
   #endif
   } drm_r128_init_t;
   
   typedef struct drm_r128_cce_stop {
           int flush;
           int idle;
   } drm_r128_cce_stop_t;
   
   typedef struct drm_r128_clear {
           unsigned int flags;
   #if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0)
           int x, y, w, h;
   #endif
           unsigned int clear_color;
           unsigned int clear_depth;
   #if CONFIG_XFREE86_VERSION >= XFREE86_VERSION(4,1,0,0)
           unsigned int color_mask;
           unsigned int depth_mask;
   #endif
   } drm_r128_clear_t;
   
   typedef struct drm_r128_vertex {
           int prim;
           int idx;                        /* Index of vertex buffer */
           int count;                      /* Number of vertices in buffer */
           int discard;                    /* Client finished with buffer? */
   } drm_r128_vertex_t;
   
   typedef struct drm_r128_indices {
           int prim;
           int idx;
           int start;
           int end;
           int discard;                    /* Client finished with buffer? */
   } drm_r128_indices_t;
   
   typedef struct drm_r128_blit {
           int idx;
           int pitch;
           int offset;
           int format;
           unsigned short x, y;
           unsigned short width, height;
   } drm_r128_blit_t;
   
   typedef struct drm_r128_depth {
           enum {
                   R128_WRITE_SPAN         = 0x01,
                   R128_WRITE_PIXELS       = 0x02,
                   R128_READ_SPAN          = 0x03,
                   R128_READ_PIXELS        = 0x04
           } func;
           int n;
           int *x;
           int *y;
           unsigned int *buffer;
           unsigned char *mask;
   } drm_r128_depth_t;
   
   typedef struct drm_r128_stipple {
           unsigned int *mask;
   } drm_r128_stipple_t;
   
   typedef struct drm_r128_indirect {
           int idx;
           int start;
           int end;
           int discard;
   } drm_r128_indirect_t;
   
   typedef struct drm_r128_fullscreen {
           enum {
                   R128_INIT_FULLSCREEN    = 0x01,
                   R128_CLEANUP_FULLSCREEN = 0x02
           } func;
   } drm_r128_fullscreen_t;
   
   #endif

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