sys/external/bsd/drm/dist/shared-core/via_drm.h

   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 #ifndef _VIA_DRM_H_
  25 #define _VIA_DRM_H_
  26
  27 /* WARNING: These defines must be the same as what the Xserver uses.
  28  * if you change them, you must change the defines in the Xserver.
  29  */
  30
  31 #ifndef _VIA_DEFINES_
  32 #define _VIA_DEFINES_
  33
  34
  35 #if !defined(__KERNEL__) && !defined(_KERNEL)
  36 #include "via_drmclient.h"
  37 #endif
  38
  39 /*
  40  * With the arrival of libdrm there is a need to version this file.
  41  * As usual, bump MINOR for new features, MAJOR for changes that create
  42  * backwards incompatibilities, (which should be avoided whenever possible).
  43  */
  44
  45 #define VIA_DRM_DRIVER_DATE             "20070202"
  46
  47 #define VIA_DRM_DRIVER_MAJOR            2
  48 #define VIA_DRM_DRIVER_MINOR            11
  49 #define VIA_DRM_DRIVER_PATCHLEVEL       1
  50 #define VIA_DRM_DRIVER_VERSION    (((VIA_DRM_DRIVER_MAJOR) << 16) | (VIA_DRM_DRIVER_MINOR))
  51
  52 #define VIA_NR_SAREA_CLIPRECTS          8
  53 #define VIA_NR_XVMC_PORTS              10
  54 #define VIA_NR_XVMC_LOCKS              5
  55 #define VIA_MAX_CACHELINE_SIZE    64
  56 #define XVMCLOCKPTR(saPriv,lockNo)                                      \
  57         ((volatile struct drm_hw_lock *)(((((unsigned long) (saPriv)->XvMCLockArea) + \
  58                                       (VIA_MAX_CACHELINE_SIZE - 1)) &   \
  59                                      ~(VIA_MAX_CACHELINE_SIZE - 1)) +   \
  60                                     VIA_MAX_CACHELINE_SIZE*(lockNo)))
  61 #define VIA_NR_TEX_REGIONS 64
  62
  63 #endif
  64
  65 #define DRM_VIA_FENCE_TYPE_ACCEL 0x00000002
  66
  67 /* VIA specific ioctls */
  68 #define DRM_VIA_ALLOCMEM        0x00
  69 #define DRM_VIA_FREEMEM         0x01
  70 #define DRM_VIA_AGP_INIT        0x02
  71 #define DRM_VIA_FB_INIT         0x03
  72 #define DRM_VIA_MAP_INIT        0x04
  73 #define DRM_VIA_DEC_FUTEX       0x05
  74 #define NOT_USED
  75 #define DRM_VIA_DMA_INIT        0x07
  76 #define DRM_VIA_CMDBUFFER       0x08
  77 #define DRM_VIA_FLUSH           0x09
  78 #define DRM_VIA_PCICMD          0x0a
  79 #define DRM_VIA_CMDBUF_SIZE     0x0b
  80 #define NOT_USED
  81 #define DRM_VIA_WAIT_IRQ        0x0d
  82 #define DRM_VIA_DMA_BLIT        0x0e
  83 #define DRM_VIA_BLIT_SYNC       0x0f
  84
  85 #define DRM_IOCTL_VIA_ALLOCMEM    DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_ALLOCMEM, drm_via_mem_t)
  86 #define DRM_IOCTL_VIA_FREEMEM     DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_FREEMEM, drm_via_mem_t)
  87 #define DRM_IOCTL_VIA_AGP_INIT    DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_AGP_INIT, drm_via_agp_t)
  88 #define DRM_IOCTL_VIA_FB_INIT     DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_FB_INIT, drm_via_fb_t)
  89 #define DRM_IOCTL_VIA_MAP_INIT    DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_MAP_INIT, drm_via_init_t)
  90 #define DRM_IOCTL_VIA_DEC_FUTEX   DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_DEC_FUTEX, drm_via_futex_t)
  91 #define DRM_IOCTL_VIA_DMA_INIT    DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_DMA_INIT, drm_via_dma_init_t)
  92 #define DRM_IOCTL_VIA_CMDBUFFER   DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_CMDBUFFER, drm_via_cmdbuffer_t)
  93 #define DRM_IOCTL_VIA_FLUSH       DRM_IO(  DRM_COMMAND_BASE + DRM_VIA_FLUSH)
  94 #define DRM_IOCTL_VIA_PCICMD      DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_PCICMD, drm_via_cmdbuffer_t)
  95 #define DRM_IOCTL_VIA_CMDBUF_SIZE DRM_IOWR( DRM_COMMAND_BASE + DRM_VIA_CMDBUF_SIZE, \
  96                                             drm_via_cmdbuf_size_t)
  97 #define DRM_IOCTL_VIA_WAIT_IRQ    DRM_IOWR( DRM_COMMAND_BASE + DRM_VIA_WAIT_IRQ, drm_via_irqwait_t)
  98 #define DRM_IOCTL_VIA_DMA_BLIT    DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_DMA_BLIT, drm_via_dmablit_t)
  99 #define DRM_IOCTL_VIA_BLIT_SYNC   DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_BLIT_SYNC, drm_via_blitsync_t)
 100
 101 /* Indices into buf.Setup where various bits of state are mirrored per
 102  * context and per buffer.  These can be fired at the card as a unit,
 103  * or in a piecewise fashion as required.
 104  */
 105
 106 #define VIA_TEX_SETUP_SIZE 8
 107
 108 /* Flags for clear ioctl
 109  */
 110 #define VIA_FRONT   0x1
 111 #define VIA_BACK    0x2
 112 #define VIA_DEPTH   0x4
 113 #define VIA_STENCIL 0x8
 114
 115 #define VIA_MEM_VIDEO   0       /* matches drm constant */
 116 #define VIA_MEM_AGP     1       /* matches drm constant */
 117 #define VIA_MEM_SYSTEM  2
 118 #define VIA_MEM_MIXED   3
 119 #define VIA_MEM_UNKNOWN 4
 120
 121 typedef struct {
 122         uint32_t offset;
 123         uint32_t size;
 124 } drm_via_agp_t;
 125
 126 typedef struct {
 127         uint32_t offset;
 128         uint32_t size;
 129 } drm_via_fb_t;
 130
 131 typedef struct {
 132         uint32_t context;
 133         uint32_t type;
 134         uint32_t size;
 135         unsigned long index;
 136         unsigned long offset;
 137 } drm_via_mem_t;
 138
 139 typedef struct _drm_via_init {
 140         enum {
 141                 VIA_INIT_MAP = 0x01,
 142                 VIA_CLEANUP_MAP = 0x02
 143         } func;
 144
 145         unsigned long sarea_priv_offset;
 146         unsigned long fb_offset;
 147         unsigned long mmio_offset;
 148         unsigned long agpAddr;
 149 } drm_via_init_t;
 150
 151 typedef struct _drm_via_futex {
 152         enum {
 153                 VIA_FUTEX_WAIT = 0x00,
 154                 VIA_FUTEX_WAKE = 0X01
 155         } func;
 156         uint32_t ms;
 157         uint32_t lock;
 158         uint32_t val;
 159 } drm_via_futex_t;
 160
 161 typedef struct _drm_via_dma_init {
 162         enum {
 163                 VIA_INIT_DMA = 0x01,
 164                 VIA_CLEANUP_DMA = 0x02,
 165                 VIA_DMA_INITIALIZED = 0x03
 166         } func;
 167
 168         unsigned long offset;
 169         unsigned long size;
 170         unsigned long reg_pause_addr;
 171 } drm_via_dma_init_t;
 172
 173 typedef struct _drm_via_cmdbuffer {
 174         char __user *buf;
 175         unsigned long size;
 176 } drm_via_cmdbuffer_t;
 177
 178 /* Warning: If you change the SAREA structure you must change the Xserver
 179  * structure as well */
 180
 181 typedef struct _drm_via_tex_region {
 182         unsigned char next, prev;       /* indices to form a circular LRU  */
 183         unsigned char inUse;    /* owned by a client, or free? */
 184         int age;                /* tracked by clients to update local LRU's */
 185 } drm_via_tex_region_t;
 186
 187 typedef struct _drm_via_sarea {
 188         unsigned int dirty;
 189         unsigned int nbox;
 190         struct drm_clip_rect boxes[VIA_NR_SAREA_CLIPRECTS];
 191         drm_via_tex_region_t texList[VIA_NR_TEX_REGIONS + 1];
 192         int texAge;             /* last time texture was uploaded */
 193         int ctxOwner;           /* last context to upload state */
 194         int vertexPrim;
 195
 196         /*
 197          * Below is for XvMC.
 198          * We want the lock integers alone on, and aligned to, a cache line.
 199          * Therefore this somewhat strange construct.
 200          */
 201
 202         char XvMCLockArea[VIA_MAX_CACHELINE_SIZE * (VIA_NR_XVMC_LOCKS + 1)];
 203
 204         unsigned int XvMCDisplaying[VIA_NR_XVMC_PORTS];
 205         unsigned int XvMCSubPicOn[VIA_NR_XVMC_PORTS];
 206         unsigned int XvMCCtxNoGrabbed;  /* Last context to hold decoder */
 207
 208         /* Used by the 3d driver only at this point, for pageflipping:
 209          */
 210         unsigned int pfCurrentOffset;
 211 } drm_via_sarea_t;
 212
 213 typedef struct _drm_via_cmdbuf_size {
 214         enum {
 215                 VIA_CMDBUF_SPACE = 0x01,
 216                 VIA_CMDBUF_LAG = 0x02
 217         } func;
 218         int wait;
 219         uint32_t size;
 220 } drm_via_cmdbuf_size_t;
 221
 222 typedef enum {
 223         VIA_IRQ_ABSOLUTE = 0x0,
 224         VIA_IRQ_RELATIVE = 0x1,
 225         VIA_IRQ_SIGNAL = 0x10000000,
 226         VIA_IRQ_FORCE_SEQUENCE = 0x20000000
 227 } via_irq_seq_type_t;
 228
 229 #define VIA_IRQ_FLAGS_MASK 0xF0000000
 230
 231 enum drm_via_irqs {
 232         drm_via_irq_hqv0 = 0,
 233         drm_via_irq_hqv1,
 234         drm_via_irq_dma0_dd,
 235         drm_via_irq_dma0_td,
 236         drm_via_irq_dma1_dd,
 237         drm_via_irq_dma1_td,
 238         drm_via_irq_num
 239 };
 240
 241 struct drm_via_wait_irq_request {
 242         unsigned irq;
 243         via_irq_seq_type_t type;
 244         uint32_t sequence;
 245         uint32_t signal;
 246 };
 247
 248 typedef union drm_via_irqwait {
 249         struct drm_via_wait_irq_request request;
 250         struct drm_wait_vblank_reply reply;
 251 } drm_via_irqwait_t;
 252
 253 typedef struct drm_via_blitsync {
 254         uint32_t sync_handle;
 255         unsigned engine;
 256 } drm_via_blitsync_t;
 257
 258 /*
 259  * Below,"flags" is currently unused but will be used for possible future
 260  * extensions like kernel space bounce buffers for bad alignments and
 261  * blit engine busy-wait polling for better latency in the absence of
 262  * interrupts.
 263  */
 264
 265 typedef struct drm_via_dmablit {
 266         uint32_t num_lines;
 267         uint32_t line_length;
 268
 269         uint32_t fb_addr;
 270         uint32_t fb_stride;
 271
 272         unsigned char *mem_addr;
 273         uint32_t mem_stride;
 274
 275         uint32_t flags;
 276         int to_fb;
 277
 278         drm_via_blitsync_t sync;
 279 } drm_via_dmablit_t;
 280
 281
 282 #endif                          /* _VIA_DRM_H_ */