release/src-rt-6.x/linux/linux-2.6/drivers/char/drm/i810_drv.h

   1 /* i810_drv.h -- Private header for the Matrox g200/g400 driver -*- linux-c -*-
   2  * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
   3  *
   4  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
   5  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
   6  * All rights reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the next
  16  * paragraph) shall be included in all copies or substantial portions of the
  17  * Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  23  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  24  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  25  * DEALINGS IN THE SOFTWARE.
  26  *
  27  * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
  28  *          Jeff Hartmann <jhartmann@valinux.com>
  29  *
  30  */
  31
  32 #ifndef _I810_DRV_H_
  33 #define _I810_DRV_H_
  34
  35 /* General customization:
  36  */
  37
  38 #define DRIVER_AUTHOR           "VA Linux Systems Inc."
  39
  40 #define DRIVER_NAME             "i810"
  41 #define DRIVER_DESC             "Intel i810"
  42 #define DRIVER_DATE             "20030605"
  43
  44 /* Interface history
  45  *
  46  * 1.1   - XFree86 4.1
  47  * 1.2   - XvMC interfaces
  48  *       - XFree86 4.2
  49  * 1.2.1 - Disable copying code (leave stub ioctls for backwards compatibility)
  50  *       - Remove requirement for interrupt (leave stubs again)
  51  * 1.3   - Add page flipping.
  52  * 1.4   - fix DRM interface
  53  */
  54 #define DRIVER_MAJOR            1
  55 #define DRIVER_MINOR            4
  56 #define DRIVER_PATCHLEVEL       0
  57
  58 typedef struct drm_i810_buf_priv {
  59         u32 *in_use;
  60         int my_use_idx;
  61         int currently_mapped;
  62         void *virtual;
  63         void *kernel_virtual;
  64         drm_local_map_t map;
  65 } drm_i810_buf_priv_t;
  66
  67 typedef struct _drm_i810_ring_buffer {
  68         int tail_mask;
  69         unsigned long Start;
  70         unsigned long End;
  71         unsigned long Size;
  72         u8 *virtual_start;
  73         int head;
  74         int tail;
  75         int space;
  76         drm_local_map_t map;
  77 } drm_i810_ring_buffer_t;
  78
  79 typedef struct drm_i810_private {
  80         drm_map_t *sarea_map;
  81         drm_map_t *mmio_map;
  82
  83         drm_i810_sarea_t *sarea_priv;
  84         drm_i810_ring_buffer_t ring;
  85
  86         void *hw_status_page;
  87         unsigned long counter;
  88
  89         dma_addr_t dma_status_page;
  90
  91         drm_buf_t *mmap_buffer;
  92
  93         u32 front_di1, back_di1, zi1;
  94
  95         int back_offset;
  96         int depth_offset;
  97         int overlay_offset;
  98         int overlay_physical;
  99         int w, h;
 100         int pitch;
 101         int back_pitch;
 102         int depth_pitch;
 103
 104         int do_boxes;
 105         int dma_used;
 106
 107         int current_page;
 108         int page_flipping;
 109
 110         wait_queue_head_t irq_queue;
 111         atomic_t irq_received;
 112         atomic_t irq_emitted;
 113
 114         int front_offset;
 115 } drm_i810_private_t;
 116
 117                                 /* i810_dma.c */
 118 extern int i810_driver_dma_quiescent(drm_device_t * dev);
 119 extern void i810_driver_reclaim_buffers_locked(drm_device_t * dev,
 120                                                struct file *filp);
 121 extern int i810_driver_load(struct drm_device *, unsigned long flags);
 122 extern void i810_driver_lastclose(drm_device_t * dev);
 123 extern void i810_driver_preclose(drm_device_t * dev, DRMFILE filp);
 124 extern void i810_driver_reclaim_buffers_locked(drm_device_t * dev,
 125                                                struct file *filp);
 126 extern int i810_driver_device_is_agp(drm_device_t * dev);
 127
 128 extern drm_ioctl_desc_t i810_ioctls[];
 129 extern int i810_max_ioctl;
 130
 131 #define I810_BASE(reg)          ((unsigned long) \
 132                                 dev_priv->mmio_map->handle)
 133 #define I810_ADDR(reg)          (I810_BASE(reg) + reg)
 134 #define I810_DEREF(reg)         *(__volatile__ int *)I810_ADDR(reg)
 135 #define I810_READ(reg)          I810_DEREF(reg)
 136 #define I810_WRITE(reg,val)     do { I810_DEREF(reg) = val; } while (0)
 137 #define I810_DEREF16(reg)       *(__volatile__ u16 *)I810_ADDR(reg)
 138 #define I810_READ16(reg)        I810_DEREF16(reg)
 139 #define I810_WRITE16(reg,val)   do { I810_DEREF16(reg) = val; } while (0)
 140
 141 #define I810_VERBOSE 0
 142 #define RING_LOCALS     unsigned int outring, ringmask; \
 143                         volatile char *virt;
 144
 145 #define BEGIN_LP_RING(n) do {                                           \
 146         if (I810_VERBOSE)                                               \
 147            DRM_DEBUG("BEGIN_LP_RING(%d) in %s\n", n, __FUNCTION__);     \
 148         if (dev_priv->ring.space < n*4)                                 \
 149                 i810_wait_ring(dev, n*4);                               \
 150         dev_priv->ring.space -= n*4;                                    \
 151         outring = dev_priv->ring.tail;                                  \
 152         ringmask = dev_priv->ring.tail_mask;                            \
 153         virt = dev_priv->ring.virtual_start;                            \
 154 } while (0)
 155
 156 #define ADVANCE_LP_RING() do {                                  \
 157         if (I810_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING\n");       \
 158         dev_priv->ring.tail = outring;                          \
 159         I810_WRITE(LP_RING + RING_TAIL, outring);               \
 160 } while(0)
 161
 162 #define OUT_RING(n) do {                                                \
 163         if (I810_VERBOSE) DRM_DEBUG("   OUT_RING %x\n", (int)(n));      \
 164         *(volatile unsigned int *)(virt + outring) = n;                 \
 165         outring += 4;                                                   \
 166         outring &= ringmask;                                            \
 167 } while (0)
 168
 169 #define GFX_OP_USER_INTERRUPT           ((0<<29)|(2<<23))
 170 #define GFX_OP_BREAKPOINT_INTERRUPT     ((0<<29)|(1<<23))
 171 #define CMD_REPORT_HEAD                 (7<<23)
 172 #define CMD_STORE_DWORD_IDX             ((0x21<<23) | 0x1)
 173 #define CMD_OP_BATCH_BUFFER  ((0x0<<29)|(0x30<<23)|0x1)
 174
 175 #define INST_PARSER_CLIENT   0x00000000
 176 #define INST_OP_FLUSH        0x02000000
 177 #define INST_FLUSH_MAP_CACHE 0x00000001
 178
 179 #define BB1_START_ADDR_MASK   (~0x7)
 180 #define BB1_PROTECTED         (1<<0)
 181 #define BB1_UNPROTECTED       (0<<0)
 182 #define BB2_END_ADDR_MASK     (~0x7)
 183
 184 #define I810REG_HWSTAM          0x02098
 185 #define I810REG_INT_IDENTITY_R  0x020a4
 186 #define I810REG_INT_MASK_R      0x020a8
 187 #define I810REG_INT_ENABLE_R    0x020a0
 188
 189 #define LP_RING                 0x2030
 190 #define HP_RING                 0x2040
 191 #define RING_TAIL               0x00
 192 #define TAIL_ADDR               0x000FFFF8
 193 #define RING_HEAD               0x04
 194 #define HEAD_WRAP_COUNT         0xFFE00000
 195 #define HEAD_WRAP_ONE           0x00200000
 196 #define HEAD_ADDR               0x001FFFFC
 197 #define RING_START              0x08
 198 #define START_ADDR              0x00FFFFF8
 199 #define RING_LEN                0x0C
 200 #define RING_NR_PAGES           0x000FF000
 201 #define RING_REPORT_MASK        0x00000006
 202 #define RING_REPORT_64K         0x00000002
 203 #define RING_REPORT_128K        0x00000004
 204 #define RING_NO_REPORT          0x00000000
 205 #define RING_VALID_MASK         0x00000001
 206 #define RING_VALID              0x00000001
 207 #define RING_INVALID            0x00000000
 208
 209 #define GFX_OP_SCISSOR         ((0x3<<29)|(0x1c<<24)|(0x10<<19))
 210 #define SC_UPDATE_SCISSOR       (0x1<<1)
 211 #define SC_ENABLE_MASK          (0x1<<0)
 212 #define SC_ENABLE               (0x1<<0)
 213
 214 #define GFX_OP_SCISSOR_INFO    ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
 215 #define SCI_YMIN_MASK      (0xffff<<16)
 216 #define SCI_XMIN_MASK      (0xffff<<0)
 217 #define SCI_YMAX_MASK      (0xffff<<16)
 218 #define SCI_XMAX_MASK      (0xffff<<0)
 219
 220 #define GFX_OP_COLOR_FACTOR      ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
 221 #define GFX_OP_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
 222 #define GFX_OP_MAP_INFO          ((0x3<<29)|(0x1d<<24)|0x2)
 223 #define GFX_OP_DESTBUFFER_VARS   ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
 224 #define GFX_OP_DRAWRECT_INFO     ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
 225 #define GFX_OP_PRIMITIVE         ((0x3<<29)|(0x1f<<24))
 226
 227 #define CMD_OP_Z_BUFFER_INFO     ((0x0<<29)|(0x16<<23))
 228 #define CMD_OP_DESTBUFFER_INFO   ((0x0<<29)|(0x15<<23))
 229 #define CMD_OP_FRONTBUFFER_INFO  ((0x0<<29)|(0x14<<23))
 230 #define CMD_OP_WAIT_FOR_EVENT    ((0x0<<29)|(0x03<<23))
 231
 232 #define BR00_BITBLT_CLIENT   0x40000000
 233 #define BR00_OP_COLOR_BLT    0x10000000
 234 #define BR00_OP_SRC_COPY_BLT 0x10C00000
 235 #define BR13_SOLID_PATTERN   0x80000000
 236
 237 #define WAIT_FOR_PLANE_A_SCANLINES (1<<1)
 238 #define WAIT_FOR_PLANE_A_FLIP      (1<<2)
 239 #define WAIT_FOR_VBLANK (1<<3)
 240
 241 #endif