drivers/char/drm/i915_drv.h

   1 /* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
   2  */
   3 /*
   4  *
   5  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   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
  10  * "Software"), to deal in the Software without restriction, including
  11  * without limitation the rights to use, copy, modify, merge, publish,
  12  * distribute, sub license, and/or sell copies of the Software, and to
  13  * permit persons to whom the Software is furnished to do so, subject to
  14  * the following conditions:
  15  *
  16  * The above copyright notice and this permission notice (including the
  17  * next paragraph) shall be included in all copies or substantial portions
  18  * of the Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  21  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  23  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  24  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  25  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  26  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27  *
  28  */
  29
  30 #ifndef _I915_DRV_H_
  31 #define _I915_DRV_H_
  32
  33 /* General customization:
  34  */
  35
  36 #define DRIVER_AUTHOR           "Tungsten Graphics, Inc."
  37
  38 #define DRIVER_NAME             "i915"
  39 #define DRIVER_DESC             "Intel Graphics"
  40 #define DRIVER_DATE             "20060119"
  41
  42 /* Interface history:
  43  *
  44  * 1.1: Original.
  45  * 1.2: Add Power Management
  46  * 1.3: Add vblank support
  47  * 1.4: Fix cmdbuffer path, add heap destroy
  48  * 1.5: Add vblank pipe configuration
  49  * 1.6: - New ioctl for scheduling buffer swaps on vertical blank
  50  *      - Support vertical blank on secondary display pipe
  51  */
  52 #define DRIVER_MAJOR            1
  53 #define DRIVER_MINOR            6
  54 #define DRIVER_PATCHLEVEL       0
  55
  56 typedef struct _drm_i915_ring_buffer {
  57         int tail_mask;
  58         unsigned long Start;
  59         unsigned long End;
  60         unsigned long Size;
  61         u8 *virtual_start;
  62         int head;
  63         int tail;
  64         int space;
  65         drm_local_map_t map;
  66 } drm_i915_ring_buffer_t;
  67
  68 struct mem_block {
  69         struct mem_block *next;
  70         struct mem_block *prev;
  71         int start;
  72         int size;
  73         struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */
  74 };
  75
  76 typedef struct _drm_i915_vbl_swap {
  77         struct list_head head;
  78         drm_drawable_t drw_id;
  79         unsigned int pipe;
  80         unsigned int sequence;
  81 } drm_i915_vbl_swap_t;
  82
  83 typedef struct drm_i915_private {
  84         drm_local_map_t *sarea;
  85         drm_local_map_t *mmio_map;
  86
  87         drm_i915_sarea_t *sarea_priv;
  88         drm_i915_ring_buffer_t ring;
  89
  90         drm_dma_handle_t *status_page_dmah;
  91         void *hw_status_page;
  92         dma_addr_t dma_status_page;
  93         unsigned long counter;
  94         unsigned int status_gfx_addr;
  95         drm_local_map_t hws_map;
  96
  97         unsigned int cpp;
  98         int back_offset;
  99         int front_offset;
 100         int current_page;
 101         int page_flipping;
 102         int use_mi_batchbuffer_start;
 103
 104         wait_queue_head_t irq_queue;
 105         atomic_t irq_received;
 106         atomic_t irq_emitted;
 107
 108         int tex_lru_log_granularity;
 109         int allow_batchbuffer;
 110         struct mem_block *agp_heap;
 111         unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
 112         int vblank_pipe;
 113
 114         spinlock_t swaps_lock;
 115         drm_i915_vbl_swap_t vbl_swaps;
 116         unsigned int swaps_pending;
 117 } drm_i915_private_t;
 118
 119 extern struct drm_ioctl_desc i915_ioctls[];
 120 extern int i915_max_ioctl;
 121
 122                                 /* i915_dma.c */
 123 extern void i915_kernel_lost_context(struct drm_device * dev);
 124 extern int i915_driver_load(struct drm_device *, unsigned long flags);
 125 extern void i915_driver_lastclose(struct drm_device * dev);
 126 extern void i915_driver_preclose(struct drm_device *dev,
 127                                  struct drm_file *file_priv);
 128 extern int i915_driver_device_is_agp(struct drm_device * dev);
 129 extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
 130                               unsigned long arg);
 131
 132 /* i915_irq.c */
 133 extern int i915_irq_emit(struct drm_device *dev, void *data,
 134                          struct drm_file *file_priv);
 135 extern int i915_irq_wait(struct drm_device *dev, void *data,
 136                          struct drm_file *file_priv);
 137
 138 extern int i915_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence);
 139 extern int i915_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
 140 extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
 141 extern void i915_driver_irq_preinstall(struct drm_device * dev);
 142 extern void i915_driver_irq_postinstall(struct drm_device * dev);
 143 extern void i915_driver_irq_uninstall(struct drm_device * dev);
 144 extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
 145                                 struct drm_file *file_priv);
 146 extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
 147                                 struct drm_file *file_priv);
 148 extern int i915_vblank_swap(struct drm_device *dev, void *data,
 149                             struct drm_file *file_priv);
 150
 151 /* i915_mem.c */
 152 extern int i915_mem_alloc(struct drm_device *dev, void *data,
 153                           struct drm_file *file_priv);
 154 extern int i915_mem_free(struct drm_device *dev, void *data,
 155                          struct drm_file *file_priv);
 156 extern int i915_mem_init_heap(struct drm_device *dev, void *data,
 157                               struct drm_file *file_priv);
 158 extern int i915_mem_destroy_heap(struct drm_device *dev, void *data,
 159                                  struct drm_file *file_priv);
 160 extern void i915_mem_takedown(struct mem_block **heap);
 161 extern void i915_mem_release(struct drm_device * dev,
 162                              struct drm_file *file_priv, struct mem_block *heap);
 163
 164 #define I915_READ(reg)          DRM_READ32(dev_priv->mmio_map, (reg))
 165 #define I915_WRITE(reg,val)     DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
 166 #define I915_READ16(reg)        DRM_READ16(dev_priv->mmio_map, (reg))
 167 #define I915_WRITE16(reg,val)   DRM_WRITE16(dev_priv->mmio_map, (reg), (val))
 168
 169 #define I915_VERBOSE 0
 170
 171 #define RING_LOCALS     unsigned int outring, ringmask, outcount; \
 172                         volatile char *virt;
 173
 174 #define BEGIN_LP_RING(n) do {                           \
 175         if (I915_VERBOSE)                               \
 176                 DRM_DEBUG("BEGIN_LP_RING(%d) in %s\n",  \
 177                           (n), __FUNCTION__);           \
 178         if (dev_priv->ring.space < (n)*4)                       \
 179                 i915_wait_ring(dev, (n)*4, __FUNCTION__);               \
 180         outcount = 0;                                   \
 181         outring = dev_priv->ring.tail;                  \
 182         ringmask = dev_priv->ring.tail_mask;            \
 183         virt = dev_priv->ring.virtual_start;            \
 184 } while (0)
 185
 186 #define OUT_RING(n) do {                                        \
 187         if (I915_VERBOSE) DRM_DEBUG("   OUT_RING %x\n", (int)(n));      \
 188         *(volatile unsigned int *)(virt + outring) = (n);       \
 189         outcount++;                                             \
 190         outring += 4;                                           \
 191         outring &= ringmask;                                    \
 192 } while (0)
 193
 194 #define ADVANCE_LP_RING() do {                                          \
 195         if (I915_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING %x\n", outring);   \
 196         dev_priv->ring.tail = outring;                                  \
 197         dev_priv->ring.space -= outcount * 4;                           \
 198         I915_WRITE(LP_RING + RING_TAIL, outring);                       \
 199 } while(0)
 200
 201 extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 202
 203 #define GFX_OP_USER_INTERRUPT           ((0<<29)|(2<<23))
 204 #define GFX_OP_BREAKPOINT_INTERRUPT     ((0<<29)|(1<<23))
 205 #define CMD_REPORT_HEAD                 (7<<23)
 206 #define CMD_STORE_DWORD_IDX             ((0x21<<23) | 0x1)
 207 #define CMD_OP_BATCH_BUFFER  ((0x0<<29)|(0x30<<23)|0x1)
 208
 209 #define INST_PARSER_CLIENT   0x00000000
 210 #define INST_OP_FLUSH        0x02000000
 211 #define INST_FLUSH_MAP_CACHE 0x00000001
 212
 213 #define BB1_START_ADDR_MASK   (~0x7)
 214 #define BB1_PROTECTED         (1<<0)
 215 #define BB1_UNPROTECTED       (0<<0)
 216 #define BB2_END_ADDR_MASK     (~0x7)
 217
 218 #define I915REG_HWSTAM          0x02098
 219 #define I915REG_INT_IDENTITY_R  0x020a4
 220 #define I915REG_INT_MASK_R      0x020a8
 221 #define I915REG_INT_ENABLE_R    0x020a0
 222
 223 #define I915REG_PIPEASTAT       0x70024
 224 #define I915REG_PIPEBSTAT       0x71024
 225
 226 #define I915_VBLANK_INTERRUPT_ENABLE    (1UL<<17)
 227 #define I915_VBLANK_CLEAR               (1UL<<1)
 228
 229 #define SRX_INDEX               0x3c4
 230 #define SRX_DATA                0x3c5
 231 #define SR01                    1
 232 #define SR01_SCREEN_OFF         (1<<5)
 233
 234 #define PPCR                    0x61204
 235 #define PPCR_ON                 (1<<0)
 236
 237 #define DVOB                    0x61140
 238 #define DVOB_ON                 (1<<31)
 239 #define DVOC                    0x61160
 240 #define DVOC_ON                 (1<<31)
 241 #define LVDS                    0x61180
 242 #define LVDS_ON                 (1<<31)
 243
 244 #define ADPA                    0x61100
 245 #define ADPA_DPMS_MASK          (~(3<<10))
 246 #define ADPA_DPMS_ON            (0<<10)
 247 #define ADPA_DPMS_SUSPEND       (1<<10)
 248 #define ADPA_DPMS_STANDBY       (2<<10)
 249 #define ADPA_DPMS_OFF           (3<<10)
 250
 251 #define NOPID                   0x2094
 252 #define LP_RING                 0x2030
 253 #define HP_RING                 0x2040
 254 #define RING_TAIL               0x00
 255 #define TAIL_ADDR               0x001FFFF8
 256 #define RING_HEAD               0x04
 257 #define HEAD_WRAP_COUNT         0xFFE00000
 258 #define HEAD_WRAP_ONE           0x00200000
 259 #define HEAD_ADDR               0x001FFFFC
 260 #define RING_START              0x08
 261 #define START_ADDR              0x0xFFFFF000
 262 #define RING_LEN                0x0C
 263 #define RING_NR_PAGES           0x001FF000
 264 #define RING_REPORT_MASK        0x00000006
 265 #define RING_REPORT_64K         0x00000002
 266 #define RING_REPORT_128K        0x00000004
 267 #define RING_NO_REPORT          0x00000000
 268 #define RING_VALID_MASK         0x00000001
 269 #define RING_VALID              0x00000001
 270 #define RING_INVALID            0x00000000
 271
 272 #define GFX_OP_SCISSOR         ((0x3<<29)|(0x1c<<24)|(0x10<<19))
 273 #define SC_UPDATE_SCISSOR       (0x1<<1)
 274 #define SC_ENABLE_MASK          (0x1<<0)
 275 #define SC_ENABLE               (0x1<<0)
 276
 277 #define GFX_OP_SCISSOR_INFO    ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
 278 #define SCI_YMIN_MASK      (0xffff<<16)
 279 #define SCI_XMIN_MASK      (0xffff<<0)
 280 #define SCI_YMAX_MASK      (0xffff<<16)
 281 #define SCI_XMAX_MASK      (0xffff<<0)
 282
 283 #define GFX_OP_SCISSOR_ENABLE    ((0x3<<29)|(0x1c<<24)|(0x10<<19))
 284 #define GFX_OP_SCISSOR_RECT      ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1)
 285 #define GFX_OP_COLOR_FACTOR      ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
 286 #define GFX_OP_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
 287 #define GFX_OP_MAP_INFO          ((0x3<<29)|(0x1d<<24)|0x4)
 288 #define GFX_OP_DESTBUFFER_VARS   ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
 289 #define GFX_OP_DRAWRECT_INFO     ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
 290
 291 #define GFX_OP_DRAWRECT_INFO_I965 ((0x7900<<16)|0x2)
 292
 293 #define XY_SRC_COPY_BLT_CMD             ((2<<29)|(0x53<<22)|6)
 294 #define XY_SRC_COPY_BLT_WRITE_ALPHA     (1<<21)
 295 #define XY_SRC_COPY_BLT_WRITE_RGB       (1<<20)
 296
 297 #define MI_BATCH_BUFFER         ((0x30<<23)|1)
 298 #define MI_BATCH_BUFFER_START   (0x31<<23)
 299 #define MI_BATCH_BUFFER_END     (0xA<<23)
 300 #define MI_BATCH_NON_SECURE     (1)
 301 #define MI_BATCH_NON_SECURE_I965 (1<<8)
 302
 303 #define MI_WAIT_FOR_EVENT       ((0x3<<23))
 304 #define MI_WAIT_FOR_PLANE_A_FLIP      (1<<2)
 305 #define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1)
 306
 307 #define MI_LOAD_SCAN_LINES_INCL  ((0x12<<23))
 308
 309 #define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2)
 310 #define ASYNC_FLIP                (1<<22)
 311
 312 #define CMD_OP_DESTBUFFER_INFO   ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
 313
 314 #define READ_BREADCRUMB(dev_priv) (((u32 *)(dev_priv->hw_status_page))[5])
 315
 316 #endif