LXR linux-old/drivers/char/drm/savage

   1/*
   2 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
   3 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
   4 *
   5 * Permission is hereby granted, free of charge, to any person obtaining a
   6 * copy of this software and associated documentation files (the "Software"),
   7 * to deal in the Software without restriction, including without limitation
   8 * the rights to use, copy, modify, merge, publish, distribute, sub license,
   9 * and/or sell copies of the Software, and to permit persons to whom the
  10 * Software is furnished to do so, subject to the following conditions:
  11 *
  12 * The above copyright notice and this permission notice (including the
  13 * next paragraph) shall be included in all copies or substantial portions
  14 * of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19 * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22 * DEALINGS IN THE SOFTWARE.
  23 */
  24
  25#ifndef __SAVAGE_DRM_H__
  26#define __SAVAGE_DRM_H__
  27
  28#ifndef __SAVAGE_SAREA_DEFINES__
  29#define __SAVAGE_SAREA_DEFINES__
  30
  31#define DRM_SAVAGE_MEM_PAGE (1UL<<12)
  32#define DRM_SAVAGE_MEM_WORK 32
  33#define DRM_SAVAGE_MEM_LOCATION_PCI 1
  34#define DRM_SAVAGE_MEM_LOCATION_AGP 2
  35#define DRM_SAVAGE_DMA_AGP_SIZE (16*1024*1024)
  36
  37typedef struct drm_savage_alloc_cont_mem
  38{
  39        size_t size; /*size of buffer*/
  40        unsigned long type; /*4k page or word*/
  41        unsigned long alignment;
  42        unsigned long location; /*agp or pci*/
  43
  44        unsigned long phyaddress;
  45        unsigned long linear;
  46} drm_savage_alloc_cont_mem_t;
  47
  48typedef struct drm_savage_get_physcis_address
  49{
  50        unsigned long v_address;
  51        unsigned long p_address;
  52} drm_savage_get_physcis_address_t;
  53
  54/*ioctl number*/
  55#define DRM_IOCTL_SAVAGE_ALLOC_CONTINUOUS_MEM \
  56        DRM_IOWR(0x40,drm_savage_alloc_cont_mem_t)
  57#define DRM_IOCTL_SAVAGE_GET_PHYSICS_ADDRESS \
  58        DRM_IOWR(0x41, drm_savage_get_physcis_address_t)
  59#define DRM_IOCTL_SAVAGE_FREE_CONTINUOUS_MEM \
  60        DRM_IOWR(0x42, drm_savage_alloc_cont_mem_t)
  61
  62#define SAVAGE_FRONT            0x1
  63#define SAVAGE_BACK             0x2
  64#define SAVAGE_DEPTH            0x4
  65#define SAVAGE_STENCIL          0x8
  66
  67/* What needs to be changed for the current vertex dma buffer?
  68 */
  69#define SAVAGE_UPLOAD_CTX       0x1
  70#define SAVAGE_UPLOAD_TEX0      0x2
  71#define SAVAGE_UPLOAD_TEX1      0x4
  72#define SAVAGE_UPLOAD_PIPE      0x8  /* <- seems should be removed, Jiayo Hsu */
  73#define SAVAGE_UPLOAD_TEX0IMAGE 0x10 /* handled client-side */
  74#define SAVAGE_UPLOAD_TEX1IMAGE 0x20 /* handled client-side */
  75#define SAVAGE_UPLOAD_2D        0x40
  76#define SAVAGE_WAIT_AGE         0x80 /* handled client-side */
  77#define SAVAGE_UPLOAD_CLIPRECTS 0x100 /* handled client-side */
  78/*frank:add Buffer state 2001/11/15*/
  79#define SAVAGE_UPLOAD_BUFFERS 0x200
  80/* original marked off in MGA drivers , Jiayo Hsu Oct.23,2001 */
  81
  82/* Keep these small for testing.
  83 */
  84#define SAVAGE_NR_SAREA_CLIPRECTS       8
  85
  86/* 2 heaps (1 for card, 1 for agp), each divided into upto 128
  87 * regions, subject to a minimum region size of (1<<16) == 64k.
  88 *
  89 * Clients may subdivide regions internally, but when sharing between
  90 * clients, the region size is the minimum granularity.
  91 */
  92
  93#define SAVAGE_CARD_HEAP                0
  94#define SAVAGE_AGP_HEAP                 1
  95#define SAVAGE_NR_TEX_HEAPS             2
  96#define SAVAGE_NR_TEX_REGIONS           16   /* num. of global texture manage list element*/
  97#define SAVAGE_LOG_MIN_TEX_REGION_SIZE  16   /* each region 64K, Jiayo Hsu */
  98
  99#endif /* __SAVAGE_SAREA_DEFINES__ */
 100
 101/* drm_tex_region_t define in drm.h */
 102
 103typedef drm_tex_region_t drm_savage_tex_region_t;
 104
 105/* Setup registers for 2D, X server
 106 */
 107typedef struct {
 108        unsigned int pitch;
 109} drm_savage_server_regs_t;
 110
 111
 112typedef struct _drm_savage_sarea {
 113        /* The channel for communication of state information to the kernel
 114         * on firing a vertex dma buffer.
 115         */
 116        unsigned int setup[28];    /* 3D context registers */
 117        drm_savage_server_regs_t server_state;
 118 
 119        unsigned int dirty;
 120        
 121        unsigned int vertsize;   /* vertext  size */
 122
 123        /* The current cliprects, or a subset thereof.
 124         */
 125        drm_clip_rect_t boxes[SAVAGE_NR_SAREA_CLIPRECTS];
 126        unsigned int nbox;
 127
 128        /* Information about the most recently used 3d drawable.  The
 129         * client fills in the req_* fields, the server fills in the
 130         * exported_ fields and puts the cliprects into boxes, above.
 131         *
 132         * The client clears the exported_drawable field before
 133         * clobbering the boxes data.
 134         */
 135        unsigned int req_drawable;       /* the X drawable id */
 136        unsigned int req_draw_buffer;    /* SAVAGE_FRONT or SAVAGE_BACK */
 137
 138        unsigned int exported_drawable;
 139        unsigned int exported_index;
 140        unsigned int exported_stamp;
 141        unsigned int exported_buffers;
 142        unsigned int exported_nfront;
 143        unsigned int exported_nback;
 144        int exported_back_x, exported_front_x, exported_w;
 145        int exported_back_y, exported_front_y, exported_h;
 146        drm_clip_rect_t exported_boxes[SAVAGE_NR_SAREA_CLIPRECTS];
 147
 148        /* Counters for aging textures and for client-side throttling.
 149         */
 150        unsigned int status[4];
 151
 152
 153        /* LRU lists for texture memory in agp space and on the card.
 154         */
 155        drm_tex_region_t texList[SAVAGE_NR_TEX_HEAPS][SAVAGE_NR_TEX_REGIONS+1];
 156        unsigned int texAge[SAVAGE_NR_TEX_HEAPS];
 157
 158        /* Mechanism to validate card state.
 159         */
 160        int ctxOwner;
 161        unsigned long shadow_status[64];/*too big?*/
 162
 163        /*agp offset*/
 164        unsigned long agp_offset;
 165} drm_savage_sarea_t,*drm_savage_sarea_ptr;
 166
 167
 168
 169typedef struct drm_savage_init {
 170
 171        unsigned long sarea_priv_offset;
 172
 173        int chipset;
 174        int sgram;
 175
 176        unsigned int maccess;
 177
 178        unsigned int fb_cpp;
 179        unsigned int front_offset, front_pitch;
 180        unsigned int back_offset, back_pitch;
 181
 182        unsigned int depth_cpp;
 183        unsigned int depth_offset, depth_pitch;
 184
 185        unsigned int texture_offset[SAVAGE_NR_TEX_HEAPS];
 186        unsigned int texture_size[SAVAGE_NR_TEX_HEAPS];
 187
 188        unsigned long fb_offset;
 189        unsigned long mmio_offset;
 190        unsigned long status_offset;
 191} drm_savage_init_t;
 192
 193typedef struct drm_savage_fullscreen {
 194        enum {
 195                SAVAGE_INIT_FULLSCREEN    = 0x01,
 196                SAVAGE_CLEANUP_FULLSCREEN = 0x02
 197        } func;
 198} drm_savage_fullscreen_t;
 199
 200typedef struct drm_savage_clear {
 201        unsigned int flags;
 202        unsigned int clear_color;
 203        unsigned int clear_depth;
 204        unsigned int color_mask;
 205        unsigned int depth_mask;
 206} drm_savage_clear_t;
 207
 208typedef struct drm_savage_vertex {
 209        int idx;                        /* buffer to queue */
 210        int used;                       /* bytes in use */
 211        int discard;                    /* client finished with buffer?  */
 212} drm_savage_vertex_t;
 213
 214typedef struct drm_savage_indices {
 215        int idx;                        /* buffer to queue */
 216        unsigned int start;
 217        unsigned int end;
 218        int discard;                    /* client finished with buffer?  */
 219} drm_savage_indices_t;
 220
 221typedef struct drm_savage_iload {
 222        int idx;
 223        unsigned int dstorg;
 224        unsigned int length;
 225} drm_savage_iload_t;
 226
 227typedef struct _drm_savage_blit {
 228        unsigned int planemask;
 229        unsigned int srcorg;
 230        unsigned int dstorg;
 231        int src_pitch, dst_pitch;
 232        int delta_sx, delta_sy;
 233        int delta_dx, delta_dy;
 234        int height, ydir;               /* flip image vertically */
 235        int source_pitch, dest_pitch;
 236} drm_savage_blit_t;
 237
 238#endif
 239