FreeBSD/Linux Kernel Cross Reference
sys/dev/drm/mach64_drm.h

     /* mach64_drm.h -- Public header for the mach64 driver -*- linux-c -*-
      * Created: Thu Nov 30 20:04:32 2000 by gareth@valinux.com
      */
     /*-
      * Copyright 2000 Gareth Hughes
      * Copyright 2002 Frank C. Earl
      * Copyright 2002-2003 Leif Delgass
      * 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
     * THE COPYRIGHT OWNER(S) 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>
     *    Frank C. Earl <fearl@airmail.net>
     *    Leif Delgass <ldelgass@retinalburn.net>
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD: releng/6.4/sys/dev/drm/mach64_drm.h 166475 2007-02-03 20:01:54Z flz $");
    
    #ifndef __MACH64_DRM_H__
    #define __MACH64_DRM_H__
    
    /* WARNING: If you change any of these defines, make sure to change the
     * defines in the Xserver file (mach64_sarea.h)
     */
    #ifndef __MACH64_SAREA_DEFINES__
    #define __MACH64_SAREA_DEFINES__
    
    /* What needs to be changed for the current vertex buffer?
     * GH: We're going to be pedantic about this.  We want the card to do as
     * little as possible, so let's avoid having it fetch a whole bunch of
     * register values that don't change all that often, if at all.
     */
    #define MACH64_UPLOAD_DST_OFF_PITCH     0x0001
    #define MACH64_UPLOAD_Z_OFF_PITCH       0x0002
    #define MACH64_UPLOAD_Z_ALPHA_CNTL      0x0004
    #define MACH64_UPLOAD_SCALE_3D_CNTL     0x0008
    #define MACH64_UPLOAD_DP_FOG_CLR        0x0010
    #define MACH64_UPLOAD_DP_WRITE_MASK     0x0020
    #define MACH64_UPLOAD_DP_PIX_WIDTH      0x0040
    #define MACH64_UPLOAD_SETUP_CNTL        0x0080
    #define MACH64_UPLOAD_MISC              0x0100
    #define MACH64_UPLOAD_TEXTURE           0x0200
    #define MACH64_UPLOAD_TEX0IMAGE         0x0400
    #define MACH64_UPLOAD_TEX1IMAGE         0x0800
    #define MACH64_UPLOAD_CLIPRECTS         0x1000  /* handled client-side */
    #define MACH64_UPLOAD_CONTEXT           0x00ff
    #define MACH64_UPLOAD_ALL               0x1fff
    
    /* DMA buffer size
     */
    #define MACH64_BUFFER_SIZE              16384
    
    /* Max number of swaps allowed on the ring
     * before the client must wait
     */
    #define MACH64_MAX_QUEUED_FRAMES        3U
    
    /* Byte offsets for host blit buffer data
     */
    #define MACH64_HOSTDATA_BLIT_OFFSET     104
    
    /* Keep these small for testing.
     */
    #define MACH64_NR_SAREA_CLIPRECTS       8
    
    #define MACH64_CARD_HEAP                0
    #define MACH64_AGP_HEAP                 1
    #define MACH64_NR_TEX_HEAPS             2
    #define MACH64_NR_TEX_REGIONS           64
    #define MACH64_LOG_TEX_GRANULARITY      16
    
    #define MACH64_TEX_MAXLEVELS            1
    
    #define MACH64_NR_CONTEXT_REGS          15
    #define MACH64_NR_TEXTURE_REGS          4
    
    #endif                          /* __MACH64_SAREA_DEFINES__ */
    
    typedef struct {
            unsigned int dst_off_pitch;
    
           unsigned int z_off_pitch;
           unsigned int z_cntl;
           unsigned int alpha_tst_cntl;
   
           unsigned int scale_3d_cntl;
   
           unsigned int sc_left_right;
           unsigned int sc_top_bottom;
   
           unsigned int dp_fog_clr;
           unsigned int dp_write_mask;
           unsigned int dp_pix_width;
           unsigned int dp_mix;
           unsigned int dp_src;
   
           unsigned int clr_cmp_cntl;
           unsigned int gui_traj_cntl;
   
           unsigned int setup_cntl;
   
           unsigned int tex_size_pitch;
           unsigned int tex_cntl;
           unsigned int secondary_tex_off;
           unsigned int tex_offset;
   } drm_mach64_context_regs_t;
   
   typedef struct drm_mach64_sarea {
           /* The channel for communication of state information to the kernel
            * on firing a vertex dma buffer.
            */
           drm_mach64_context_regs_t context_state;
           unsigned int dirty;
           unsigned int vertsize;
   
           /* The current cliprects, or a subset thereof.
            */
           drm_clip_rect_t boxes[MACH64_NR_SAREA_CLIPRECTS];
           unsigned int nbox;
   
           /* Counters for client-side throttling of rendering clients.
            */
           unsigned int frames_queued;
   
           /* Texture memory LRU.
            */
           drm_tex_region_t tex_list[MACH64_NR_TEX_HEAPS][MACH64_NR_TEX_REGIONS +
                                                          1];
           unsigned int tex_age[MACH64_NR_TEX_HEAPS];
           int ctx_owner;
   } drm_mach64_sarea_t;
   
   /* WARNING: If you change any of these defines, make sure to change the
    * defines in the Xserver file (mach64_common.h)
    */
   
   /* Mach64 specific ioctls
    * The device specific ioctl range is 0x40 to 0x79.
    */
   
   #define DRM_MACH64_INIT           0x00
   #define DRM_MACH64_IDLE           0x01
   #define DRM_MACH64_RESET          0x02
   #define DRM_MACH64_SWAP           0x03
   #define DRM_MACH64_CLEAR          0x04
   #define DRM_MACH64_VERTEX         0x05
   #define DRM_MACH64_BLIT           0x06
   #define DRM_MACH64_FLUSH          0x07
   #define DRM_MACH64_GETPARAM       0x08
   
   #define DRM_IOCTL_MACH64_INIT           DRM_IOW( DRM_COMMAND_BASE + DRM_MACH64_INIT, drm_mach64_init_t)
   #define DRM_IOCTL_MACH64_IDLE           DRM_IO(  DRM_COMMAND_BASE + DRM_MACH64_IDLE )
   #define DRM_IOCTL_MACH64_RESET          DRM_IO(  DRM_COMMAND_BASE + DRM_MACH64_RESET )
   #define DRM_IOCTL_MACH64_SWAP           DRM_IO(  DRM_COMMAND_BASE + DRM_MACH64_SWAP )
   #define DRM_IOCTL_MACH64_CLEAR          DRM_IOW( DRM_COMMAND_BASE + DRM_MACH64_CLEAR, drm_mach64_clear_t)
   #define DRM_IOCTL_MACH64_VERTEX         DRM_IOW( DRM_COMMAND_BASE + DRM_MACH64_VERTEX, drm_mach64_vertex_t)
   #define DRM_IOCTL_MACH64_BLIT           DRM_IOW( DRM_COMMAND_BASE + DRM_MACH64_BLIT, drm_mach64_blit_t)
   #define DRM_IOCTL_MACH64_FLUSH          DRM_IO(  DRM_COMMAND_BASE + DRM_MACH64_FLUSH )
   #define DRM_IOCTL_MACH64_GETPARAM       DRM_IOWR( DRM_COMMAND_BASE + DRM_MACH64_GETPARAM, drm_mach64_getparam_t)
   
   /* Buffer flags for clears
    */
   #define MACH64_FRONT                    0x1
   #define MACH64_BACK                     0x2
   #define MACH64_DEPTH                    0x4
   
   /* Primitive types for vertex buffers
    */
   #define MACH64_PRIM_POINTS              0x00000000
   #define MACH64_PRIM_LINES               0x00000001
   #define MACH64_PRIM_LINE_LOOP           0x00000002
   #define MACH64_PRIM_LINE_STRIP          0x00000003
   #define MACH64_PRIM_TRIANGLES           0x00000004
   #define MACH64_PRIM_TRIANGLE_STRIP      0x00000005
   #define MACH64_PRIM_TRIANGLE_FAN        0x00000006
   #define MACH64_PRIM_QUADS               0x00000007
   #define MACH64_PRIM_QUAD_STRIP          0x00000008
   #define MACH64_PRIM_POLYGON             0x00000009
   
   typedef enum _drm_mach64_dma_mode_t {
           MACH64_MODE_DMA_ASYNC,
           MACH64_MODE_DMA_SYNC,
           MACH64_MODE_MMIO
   } drm_mach64_dma_mode_t;
   
   typedef struct drm_mach64_init {
           enum {
                   DRM_MACH64_INIT_DMA = 0x01,
                   DRM_MACH64_CLEANUP_DMA = 0x02
           } func;
   
           unsigned long sarea_priv_offset;
           int is_pci;
           drm_mach64_dma_mode_t dma_mode;
   
           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 buffers_offset;
           unsigned long agp_textures_offset;
   } drm_mach64_init_t;
   
   typedef struct drm_mach64_clear {
           unsigned int flags;
           int x, y, w, h;
           unsigned int clear_color;
           unsigned int clear_depth;
   } drm_mach64_clear_t;
   
   typedef struct drm_mach64_vertex {
           int prim;
           void *buf;              /* Address of vertex buffer */
           unsigned long used;     /* Number of bytes in buffer */
           int discard;            /* Client finished with buffer? */
   } drm_mach64_vertex_t;
   
   typedef struct drm_mach64_blit {
           int idx;
           int pitch;
           int offset;
           int format;
           unsigned short x, y;
           unsigned short width, height;
   } drm_mach64_blit_t;
   
   typedef struct drm_mach64_getparam {
           enum {
                   MACH64_PARAM_FRAMES_QUEUED = 0x01,
                   MACH64_PARAM_IRQ_NR = 0x02
           } param;
           void *value;
   } drm_mach64_getparam_t;
   
   #endif

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