xref: /openbmc/linux/drivers/gpu/drm/i915/i915_drv.h (revision f15cbe6f1a4b4d9df59142fc8e4abb973302cf44)
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 
118 	/* Register state */
119 	u8 saveLBB;
120 	u32 saveDSPACNTR;
121 	u32 saveDSPBCNTR;
122 	u32 saveDSPARB;
123 	u32 savePIPEACONF;
124 	u32 savePIPEBCONF;
125 	u32 savePIPEASRC;
126 	u32 savePIPEBSRC;
127 	u32 saveFPA0;
128 	u32 saveFPA1;
129 	u32 saveDPLL_A;
130 	u32 saveDPLL_A_MD;
131 	u32 saveHTOTAL_A;
132 	u32 saveHBLANK_A;
133 	u32 saveHSYNC_A;
134 	u32 saveVTOTAL_A;
135 	u32 saveVBLANK_A;
136 	u32 saveVSYNC_A;
137 	u32 saveBCLRPAT_A;
138 	u32 savePIPEASTAT;
139 	u32 saveDSPASTRIDE;
140 	u32 saveDSPASIZE;
141 	u32 saveDSPAPOS;
142 	u32 saveDSPABASE;
143 	u32 saveDSPASURF;
144 	u32 saveDSPATILEOFF;
145 	u32 savePFIT_PGM_RATIOS;
146 	u32 saveBLC_PWM_CTL;
147 	u32 saveBLC_PWM_CTL2;
148 	u32 saveFPB0;
149 	u32 saveFPB1;
150 	u32 saveDPLL_B;
151 	u32 saveDPLL_B_MD;
152 	u32 saveHTOTAL_B;
153 	u32 saveHBLANK_B;
154 	u32 saveHSYNC_B;
155 	u32 saveVTOTAL_B;
156 	u32 saveVBLANK_B;
157 	u32 saveVSYNC_B;
158 	u32 saveBCLRPAT_B;
159 	u32 savePIPEBSTAT;
160 	u32 saveDSPBSTRIDE;
161 	u32 saveDSPBSIZE;
162 	u32 saveDSPBPOS;
163 	u32 saveDSPBBASE;
164 	u32 saveDSPBSURF;
165 	u32 saveDSPBTILEOFF;
166 	u32 saveVCLK_DIVISOR_VGA0;
167 	u32 saveVCLK_DIVISOR_VGA1;
168 	u32 saveVCLK_POST_DIV;
169 	u32 saveVGACNTRL;
170 	u32 saveADPA;
171 	u32 saveLVDS;
172 	u32 saveLVDSPP_ON;
173 	u32 saveLVDSPP_OFF;
174 	u32 saveDVOA;
175 	u32 saveDVOB;
176 	u32 saveDVOC;
177 	u32 savePP_ON;
178 	u32 savePP_OFF;
179 	u32 savePP_CONTROL;
180 	u32 savePP_CYCLE;
181 	u32 savePFIT_CONTROL;
182 	u32 save_palette_a[256];
183 	u32 save_palette_b[256];
184 	u32 saveFBC_CFB_BASE;
185 	u32 saveFBC_LL_BASE;
186 	u32 saveFBC_CONTROL;
187 	u32 saveFBC_CONTROL2;
188 	u32 saveIER;
189 	u32 saveIIR;
190 	u32 saveIMR;
191 	u32 saveCACHE_MODE_0;
192 	u32 saveD_STATE;
193 	u32 saveDSPCLK_GATE_D;
194 	u32 saveMI_ARB_STATE;
195 	u32 saveSWF0[16];
196 	u32 saveSWF1[16];
197 	u32 saveSWF2[3];
198 	u8 saveMSR;
199 	u8 saveSR[8];
200 	u8 saveGR[25];
201 	u8 saveAR_INDEX;
202 	u8 saveAR[21];
203 	u8 saveDACMASK;
204 	u8 saveDACDATA[256*3]; /* 256 3-byte colors */
205 	u8 saveCR[37];
206 } drm_i915_private_t;
207 
208 extern struct drm_ioctl_desc i915_ioctls[];
209 extern int i915_max_ioctl;
210 
211 				/* i915_dma.c */
212 extern void i915_kernel_lost_context(struct drm_device * dev);
213 extern int i915_driver_load(struct drm_device *, unsigned long flags);
214 extern int i915_driver_unload(struct drm_device *);
215 extern void i915_driver_lastclose(struct drm_device * dev);
216 extern void i915_driver_preclose(struct drm_device *dev,
217 				 struct drm_file *file_priv);
218 extern int i915_driver_device_is_agp(struct drm_device * dev);
219 extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
220 			      unsigned long arg);
221 
222 /* i915_irq.c */
223 extern int i915_irq_emit(struct drm_device *dev, void *data,
224 			 struct drm_file *file_priv);
225 extern int i915_irq_wait(struct drm_device *dev, void *data,
226 			 struct drm_file *file_priv);
227 
228 extern int i915_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence);
229 extern int i915_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
230 extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
231 extern void i915_driver_irq_preinstall(struct drm_device * dev);
232 extern void i915_driver_irq_postinstall(struct drm_device * dev);
233 extern void i915_driver_irq_uninstall(struct drm_device * dev);
234 extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
235 				struct drm_file *file_priv);
236 extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
237 				struct drm_file *file_priv);
238 extern int i915_vblank_swap(struct drm_device *dev, void *data,
239 			    struct drm_file *file_priv);
240 
241 /* i915_mem.c */
242 extern int i915_mem_alloc(struct drm_device *dev, void *data,
243 			  struct drm_file *file_priv);
244 extern int i915_mem_free(struct drm_device *dev, void *data,
245 			 struct drm_file *file_priv);
246 extern int i915_mem_init_heap(struct drm_device *dev, void *data,
247 			      struct drm_file *file_priv);
248 extern int i915_mem_destroy_heap(struct drm_device *dev, void *data,
249 				 struct drm_file *file_priv);
250 extern void i915_mem_takedown(struct mem_block **heap);
251 extern void i915_mem_release(struct drm_device * dev,
252 			     struct drm_file *file_priv, struct mem_block *heap);
253 
254 #define I915_READ(reg)          DRM_READ32(dev_priv->mmio_map, (reg))
255 #define I915_WRITE(reg,val)     DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
256 #define I915_READ16(reg)	DRM_READ16(dev_priv->mmio_map, (reg))
257 #define I915_WRITE16(reg,val)	DRM_WRITE16(dev_priv->mmio_map, (reg), (val))
258 
259 #define I915_VERBOSE 0
260 
261 #define RING_LOCALS	unsigned int outring, ringmask, outcount; \
262                         volatile char *virt;
263 
264 #define BEGIN_LP_RING(n) do {				\
265 	if (I915_VERBOSE)				\
266 		DRM_DEBUG("BEGIN_LP_RING(%d)\n", (n));	\
267 	if (dev_priv->ring.space < (n)*4)		\
268 		i915_wait_ring(dev, (n)*4, __func__);		\
269 	outcount = 0;					\
270 	outring = dev_priv->ring.tail;			\
271 	ringmask = dev_priv->ring.tail_mask;		\
272 	virt = dev_priv->ring.virtual_start;		\
273 } while (0)
274 
275 #define OUT_RING(n) do {					\
276 	if (I915_VERBOSE) DRM_DEBUG("   OUT_RING %x\n", (int)(n));	\
277 	*(volatile unsigned int *)(virt + outring) = (n);	\
278         outcount++;						\
279 	outring += 4;						\
280 	outring &= ringmask;					\
281 } while (0)
282 
283 #define ADVANCE_LP_RING() do {						\
284 	if (I915_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING %x\n", outring);	\
285 	dev_priv->ring.tail = outring;					\
286 	dev_priv->ring.space -= outcount * 4;				\
287 	I915_WRITE(LP_RING + RING_TAIL, outring);			\
288 } while(0)
289 
290 extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
291 
292 /* Extended config space */
293 #define LBB 0xf4
294 
295 /* VGA stuff */
296 
297 #define VGA_ST01_MDA 0x3ba
298 #define VGA_ST01_CGA 0x3da
299 
300 #define VGA_MSR_WRITE 0x3c2
301 #define VGA_MSR_READ 0x3cc
302 #define   VGA_MSR_MEM_EN (1<<1)
303 #define   VGA_MSR_CGA_MODE (1<<0)
304 
305 #define VGA_SR_INDEX 0x3c4
306 #define VGA_SR_DATA 0x3c5
307 
308 #define VGA_AR_INDEX 0x3c0
309 #define   VGA_AR_VID_EN (1<<5)
310 #define VGA_AR_DATA_WRITE 0x3c0
311 #define VGA_AR_DATA_READ 0x3c1
312 
313 #define VGA_GR_INDEX 0x3ce
314 #define VGA_GR_DATA 0x3cf
315 /* GR05 */
316 #define   VGA_GR_MEM_READ_MODE_SHIFT 3
317 #define     VGA_GR_MEM_READ_MODE_PLANE 1
318 /* GR06 */
319 #define   VGA_GR_MEM_MODE_MASK 0xc
320 #define   VGA_GR_MEM_MODE_SHIFT 2
321 #define   VGA_GR_MEM_A0000_AFFFF 0
322 #define   VGA_GR_MEM_A0000_BFFFF 1
323 #define   VGA_GR_MEM_B0000_B7FFF 2
324 #define   VGA_GR_MEM_B0000_BFFFF 3
325 
326 #define VGA_DACMASK 0x3c6
327 #define VGA_DACRX 0x3c7
328 #define VGA_DACWX 0x3c8
329 #define VGA_DACDATA 0x3c9
330 
331 #define VGA_CR_INDEX_MDA 0x3b4
332 #define VGA_CR_DATA_MDA 0x3b5
333 #define VGA_CR_INDEX_CGA 0x3d4
334 #define VGA_CR_DATA_CGA 0x3d5
335 
336 #define GFX_OP_USER_INTERRUPT		((0<<29)|(2<<23))
337 #define GFX_OP_BREAKPOINT_INTERRUPT	((0<<29)|(1<<23))
338 #define CMD_REPORT_HEAD			(7<<23)
339 #define CMD_STORE_DWORD_IDX		((0x21<<23) | 0x1)
340 #define CMD_OP_BATCH_BUFFER  ((0x0<<29)|(0x30<<23)|0x1)
341 
342 #define INST_PARSER_CLIENT   0x00000000
343 #define INST_OP_FLUSH        0x02000000
344 #define INST_FLUSH_MAP_CACHE 0x00000001
345 
346 #define BB1_START_ADDR_MASK   (~0x7)
347 #define BB1_PROTECTED         (1<<0)
348 #define BB1_UNPROTECTED       (0<<0)
349 #define BB2_END_ADDR_MASK     (~0x7)
350 
351 /* Framebuffer compression */
352 #define FBC_CFB_BASE		0x03200 /* 4k page aligned */
353 #define FBC_LL_BASE		0x03204 /* 4k page aligned */
354 #define FBC_CONTROL		0x03208
355 #define   FBC_CTL_EN		(1<<31)
356 #define   FBC_CTL_PERIODIC	(1<<30)
357 #define   FBC_CTL_INTERVAL_SHIFT (16)
358 #define   FBC_CTL_UNCOMPRESSIBLE (1<<14)
359 #define   FBC_CTL_STRIDE_SHIFT	(5)
360 #define   FBC_CTL_FENCENO	(1<<0)
361 #define FBC_COMMAND		0x0320c
362 #define   FBC_CMD_COMPRESS	(1<<0)
363 #define FBC_STATUS		0x03210
364 #define   FBC_STAT_COMPRESSING	(1<<31)
365 #define   FBC_STAT_COMPRESSED	(1<<30)
366 #define   FBC_STAT_MODIFIED	(1<<29)
367 #define   FBC_STAT_CURRENT_LINE	(1<<0)
368 #define FBC_CONTROL2		0x03214
369 #define   FBC_CTL_FENCE_DBL	(0<<4)
370 #define   FBC_CTL_IDLE_IMM	(0<<2)
371 #define   FBC_CTL_IDLE_FULL	(1<<2)
372 #define   FBC_CTL_IDLE_LINE	(2<<2)
373 #define   FBC_CTL_IDLE_DEBUG	(3<<2)
374 #define   FBC_CTL_CPU_FENCE	(1<<1)
375 #define   FBC_CTL_PLANEA	(0<<0)
376 #define   FBC_CTL_PLANEB	(1<<0)
377 #define FBC_FENCE_OFF		0x0321b
378 
379 #define FBC_LL_SIZE		(1536)
380 #define FBC_LL_PAD		(32)
381 
382 /* Interrupt bits:
383  */
384 #define USER_INT_FLAG    (1<<1)
385 #define VSYNC_PIPEB_FLAG (1<<5)
386 #define VSYNC_PIPEA_FLAG (1<<7)
387 #define HWB_OOM_FLAG     (1<<13) /* binner out of memory */
388 
389 #define I915REG_HWSTAM		0x02098
390 #define I915REG_INT_IDENTITY_R	0x020a4
391 #define I915REG_INT_MASK_R	0x020a8
392 #define I915REG_INT_ENABLE_R	0x020a0
393 
394 #define I915REG_PIPEASTAT	0x70024
395 #define I915REG_PIPEBSTAT	0x71024
396 
397 #define I915_VBLANK_INTERRUPT_ENABLE	(1UL<<17)
398 #define I915_VBLANK_CLEAR		(1UL<<1)
399 
400 #define SRX_INDEX		0x3c4
401 #define SRX_DATA		0x3c5
402 #define SR01			1
403 #define SR01_SCREEN_OFF		(1<<5)
404 
405 #define PPCR			0x61204
406 #define PPCR_ON			(1<<0)
407 
408 #define DVOB			0x61140
409 #define DVOB_ON			(1<<31)
410 #define DVOC			0x61160
411 #define DVOC_ON			(1<<31)
412 #define LVDS			0x61180
413 #define LVDS_ON			(1<<31)
414 
415 #define ADPA			0x61100
416 #define ADPA_DPMS_MASK		(~(3<<10))
417 #define ADPA_DPMS_ON		(0<<10)
418 #define ADPA_DPMS_SUSPEND	(1<<10)
419 #define ADPA_DPMS_STANDBY	(2<<10)
420 #define ADPA_DPMS_OFF		(3<<10)
421 
422 #define NOPID                   0x2094
423 #define LP_RING			0x2030
424 #define HP_RING			0x2040
425 /* The binner has its own ring buffer:
426  */
427 #define HWB_RING		0x2400
428 
429 #define RING_TAIL		0x00
430 #define TAIL_ADDR		0x001FFFF8
431 #define RING_HEAD		0x04
432 #define HEAD_WRAP_COUNT		0xFFE00000
433 #define HEAD_WRAP_ONE		0x00200000
434 #define HEAD_ADDR		0x001FFFFC
435 #define RING_START		0x08
436 #define START_ADDR		0x0xFFFFF000
437 #define RING_LEN		0x0C
438 #define RING_NR_PAGES		0x001FF000
439 #define RING_REPORT_MASK	0x00000006
440 #define RING_REPORT_64K		0x00000002
441 #define RING_REPORT_128K	0x00000004
442 #define RING_NO_REPORT		0x00000000
443 #define RING_VALID_MASK		0x00000001
444 #define RING_VALID		0x00000001
445 #define RING_INVALID		0x00000000
446 
447 /* Instruction parser error reg:
448  */
449 #define IPEIR			0x2088
450 
451 /* Scratch pad debug 0 reg:
452  */
453 #define SCPD0			0x209c
454 
455 /* Error status reg:
456  */
457 #define ESR			0x20b8
458 
459 /* Secondary DMA fetch address debug reg:
460  */
461 #define DMA_FADD_S		0x20d4
462 
463 /* Memory Interface Arbitration State
464  */
465 #define MI_ARB_STATE		0x20e4
466 
467 /* Cache mode 0 reg.
468  *  - Manipulating render cache behaviour is central
469  *    to the concept of zone rendering, tuning this reg can help avoid
470  *    unnecessary render cache reads and even writes (for z/stencil)
471  *    at beginning and end of scene.
472  *
473  * - To change a bit, write to this reg with a mask bit set and the
474  * bit of interest either set or cleared.  EG: (BIT<<16) | BIT to set.
475  */
476 #define Cache_Mode_0		0x2120
477 #define CACHE_MODE_0		0x2120
478 #define CM0_MASK_SHIFT          16
479 #define CM0_IZ_OPT_DISABLE      (1<<6)
480 #define CM0_ZR_OPT_DISABLE      (1<<5)
481 #define CM0_DEPTH_EVICT_DISABLE (1<<4)
482 #define CM0_COLOR_EVICT_DISABLE (1<<3)
483 #define CM0_DEPTH_WRITE_DISABLE (1<<1)
484 #define CM0_RC_OP_FLUSH_DISABLE (1<<0)
485 
486 
487 /* Graphics flush control.  A CPU write flushes the GWB of all writes.
488  * The data is discarded.
489  */
490 #define GFX_FLSH_CNTL		0x2170
491 
492 /* Binner control.  Defines the location of the bin pointer list:
493  */
494 #define BINCTL			0x2420
495 #define BC_MASK			(1 << 9)
496 
497 /* Binned scene info.
498  */
499 #define BINSCENE		0x2428
500 #define BS_OP_LOAD		(1 << 8)
501 #define BS_MASK			(1 << 22)
502 
503 /* Bin command parser debug reg:
504  */
505 #define BCPD			0x2480
506 
507 /* Bin memory control debug reg:
508  */
509 #define BMCD			0x2484
510 
511 /* Bin data cache debug reg:
512  */
513 #define BDCD			0x2488
514 
515 /* Binner pointer cache debug reg:
516  */
517 #define BPCD			0x248c
518 
519 /* Binner scratch pad debug reg:
520  */
521 #define BINSKPD			0x24f0
522 
523 /* HWB scratch pad debug reg:
524  */
525 #define HWBSKPD			0x24f4
526 
527 /* Binner memory pool reg:
528  */
529 #define BMP_BUFFER		0x2430
530 #define BMP_PAGE_SIZE_4K	(0 << 10)
531 #define BMP_BUFFER_SIZE_SHIFT	1
532 #define BMP_ENABLE		(1 << 0)
533 
534 /* Get/put memory from the binner memory pool:
535  */
536 #define BMP_GET			0x2438
537 #define BMP_PUT			0x2440
538 #define BMP_OFFSET_SHIFT	5
539 
540 /* 3D state packets:
541  */
542 #define GFX_OP_RASTER_RULES    ((0x3<<29)|(0x7<<24))
543 
544 #define GFX_OP_SCISSOR         ((0x3<<29)|(0x1c<<24)|(0x10<<19))
545 #define SC_UPDATE_SCISSOR       (0x1<<1)
546 #define SC_ENABLE_MASK          (0x1<<0)
547 #define SC_ENABLE               (0x1<<0)
548 
549 #define GFX_OP_LOAD_INDIRECT   ((0x3<<29)|(0x1d<<24)|(0x7<<16))
550 
551 #define GFX_OP_SCISSOR_INFO    ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
552 #define SCI_YMIN_MASK      (0xffff<<16)
553 #define SCI_XMIN_MASK      (0xffff<<0)
554 #define SCI_YMAX_MASK      (0xffff<<16)
555 #define SCI_XMAX_MASK      (0xffff<<0)
556 
557 #define GFX_OP_SCISSOR_ENABLE	 ((0x3<<29)|(0x1c<<24)|(0x10<<19))
558 #define GFX_OP_SCISSOR_RECT	 ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1)
559 #define GFX_OP_COLOR_FACTOR      ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
560 #define GFX_OP_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
561 #define GFX_OP_MAP_INFO          ((0x3<<29)|(0x1d<<24)|0x4)
562 #define GFX_OP_DESTBUFFER_VARS   ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
563 #define GFX_OP_DRAWRECT_INFO     ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
564 
565 #define GFX_OP_DRAWRECT_INFO_I965 ((0x7900<<16)|0x2)
566 
567 #define SRC_COPY_BLT_CMD                ((2<<29)|(0x43<<22)|4)
568 #define XY_SRC_COPY_BLT_CMD		((2<<29)|(0x53<<22)|6)
569 #define XY_SRC_COPY_BLT_WRITE_ALPHA	(1<<21)
570 #define XY_SRC_COPY_BLT_WRITE_RGB	(1<<20)
571 #define XY_SRC_COPY_BLT_SRC_TILED	(1<<15)
572 #define XY_SRC_COPY_BLT_DST_TILED	(1<<11)
573 
574 #define MI_BATCH_BUFFER		((0x30<<23)|1)
575 #define MI_BATCH_BUFFER_START	(0x31<<23)
576 #define MI_BATCH_BUFFER_END	(0xA<<23)
577 #define MI_BATCH_NON_SECURE	(1)
578 #define MI_BATCH_NON_SECURE_I965 (1<<8)
579 
580 #define MI_WAIT_FOR_EVENT       ((0x3<<23))
581 #define MI_WAIT_FOR_PLANE_B_FLIP      (1<<6)
582 #define MI_WAIT_FOR_PLANE_A_FLIP      (1<<2)
583 #define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1)
584 
585 #define MI_LOAD_SCAN_LINES_INCL  ((0x12<<23))
586 
587 #define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2)
588 #define ASYNC_FLIP                (1<<22)
589 #define DISPLAY_PLANE_A           (0<<20)
590 #define DISPLAY_PLANE_B           (1<<20)
591 
592 /* Display regs */
593 #define DSPACNTR                0x70180
594 #define DSPBCNTR                0x71180
595 #define DISPPLANE_SEL_PIPE_MASK                 (1<<24)
596 
597 /* Define the region of interest for the binner:
598  */
599 #define CMD_OP_BIN_CONTROL	 ((0x3<<29)|(0x1d<<24)|(0x84<<16)|4)
600 
601 #define CMD_OP_DESTBUFFER_INFO	 ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
602 
603 #define CMD_MI_FLUSH         (0x04 << 23)
604 #define MI_NO_WRITE_FLUSH    (1 << 2)
605 #define MI_READ_FLUSH        (1 << 0)
606 #define MI_EXE_FLUSH         (1 << 1)
607 #define MI_END_SCENE         (1 << 4) /* flush binner and incr scene count */
608 #define MI_SCENE_COUNT       (1 << 3) /* just increment scene count */
609 
610 #define BREADCRUMB_BITS 31
611 #define BREADCRUMB_MASK ((1U << BREADCRUMB_BITS) - 1)
612 
613 #define READ_BREADCRUMB(dev_priv)  (((volatile u32*)(dev_priv->hw_status_page))[5])
614 #define READ_HWSP(dev_priv, reg)  (((volatile u32*)(dev_priv->hw_status_page))[reg])
615 
616 #define BLC_PWM_CTL		0x61254
617 #define BACKLIGHT_MODULATION_FREQ_SHIFT		(17)
618 
619 #define BLC_PWM_CTL2		0x61250
620 /**
621  * This is the most significant 15 bits of the number of backlight cycles in a
622  * complete cycle of the modulated backlight control.
623  *
624  * The actual value is this field multiplied by two.
625  */
626 #define BACKLIGHT_MODULATION_FREQ_MASK		(0x7fff << 17)
627 #define BLM_LEGACY_MODE				(1 << 16)
628 /**
629  * This is the number of cycles out of the backlight modulation cycle for which
630  * the backlight is on.
631  *
632  * This field must be no greater than the number of cycles in the complete
633  * backlight modulation cycle.
634  */
635 #define BACKLIGHT_DUTY_CYCLE_SHIFT		(0)
636 #define BACKLIGHT_DUTY_CYCLE_MASK		(0xffff)
637 
638 #define I915_GCFGC			0xf0
639 #define I915_LOW_FREQUENCY_ENABLE		(1 << 7)
640 #define I915_DISPLAY_CLOCK_190_200_MHZ		(0 << 4)
641 #define I915_DISPLAY_CLOCK_333_MHZ		(4 << 4)
642 #define I915_DISPLAY_CLOCK_MASK			(7 << 4)
643 
644 #define I855_HPLLCC			0xc0
645 #define I855_CLOCK_CONTROL_MASK			(3 << 0)
646 #define I855_CLOCK_133_200			(0 << 0)
647 #define I855_CLOCK_100_200			(1 << 0)
648 #define I855_CLOCK_100_133			(2 << 0)
649 #define I855_CLOCK_166_250			(3 << 0)
650 
651 /* p317, 319
652  */
653 #define VCLK2_VCO_M        0x6008 /* treat as 16 bit? (includes msbs) */
654 #define VCLK2_VCO_N        0x600a
655 #define VCLK2_VCO_DIV_SEL  0x6012
656 
657 #define VCLK_DIVISOR_VGA0   0x6000
658 #define VCLK_DIVISOR_VGA1   0x6004
659 #define VCLK_POST_DIV	    0x6010
660 /** Selects a post divisor of 4 instead of 2. */
661 # define VGA1_PD_P2_DIV_4	(1 << 15)
662 /** Overrides the p2 post divisor field */
663 # define VGA1_PD_P1_DIV_2	(1 << 13)
664 # define VGA1_PD_P1_SHIFT	8
665 /** P1 value is 2 greater than this field */
666 # define VGA1_PD_P1_MASK	(0x1f << 8)
667 /** Selects a post divisor of 4 instead of 2. */
668 # define VGA0_PD_P2_DIV_4	(1 << 7)
669 /** Overrides the p2 post divisor field */
670 # define VGA0_PD_P1_DIV_2	(1 << 5)
671 # define VGA0_PD_P1_SHIFT	0
672 /** P1 value is 2 greater than this field */
673 # define VGA0_PD_P1_MASK	(0x1f << 0)
674 
675 /* PCI D state control register */
676 #define D_STATE		0x6104
677 #define DSPCLK_GATE_D	0x6200
678 
679 /* I830 CRTC registers */
680 #define HTOTAL_A	0x60000
681 #define HBLANK_A	0x60004
682 #define HSYNC_A		0x60008
683 #define VTOTAL_A	0x6000c
684 #define VBLANK_A	0x60010
685 #define VSYNC_A		0x60014
686 #define PIPEASRC	0x6001c
687 #define BCLRPAT_A	0x60020
688 #define VSYNCSHIFT_A	0x60028
689 
690 #define HTOTAL_B	0x61000
691 #define HBLANK_B	0x61004
692 #define HSYNC_B		0x61008
693 #define VTOTAL_B	0x6100c
694 #define VBLANK_B	0x61010
695 #define VSYNC_B		0x61014
696 #define PIPEBSRC	0x6101c
697 #define BCLRPAT_B	0x61020
698 #define VSYNCSHIFT_B	0x61028
699 
700 #define PP_STATUS	0x61200
701 # define PP_ON					(1 << 31)
702 /**
703  * Indicates that all dependencies of the panel are on:
704  *
705  * - PLL enabled
706  * - pipe enabled
707  * - LVDS/DVOB/DVOC on
708  */
709 # define PP_READY				(1 << 30)
710 # define PP_SEQUENCE_NONE			(0 << 28)
711 # define PP_SEQUENCE_ON				(1 << 28)
712 # define PP_SEQUENCE_OFF			(2 << 28)
713 # define PP_SEQUENCE_MASK			0x30000000
714 #define PP_CONTROL	0x61204
715 # define POWER_TARGET_ON			(1 << 0)
716 
717 #define LVDSPP_ON       0x61208
718 #define LVDSPP_OFF      0x6120c
719 #define PP_CYCLE        0x61210
720 
721 #define PFIT_CONTROL	0x61230
722 # define PFIT_ENABLE				(1 << 31)
723 # define PFIT_PIPE_MASK				(3 << 29)
724 # define PFIT_PIPE_SHIFT			29
725 # define VERT_INTERP_DISABLE			(0 << 10)
726 # define VERT_INTERP_BILINEAR			(1 << 10)
727 # define VERT_INTERP_MASK			(3 << 10)
728 # define VERT_AUTO_SCALE			(1 << 9)
729 # define HORIZ_INTERP_DISABLE			(0 << 6)
730 # define HORIZ_INTERP_BILINEAR			(1 << 6)
731 # define HORIZ_INTERP_MASK			(3 << 6)
732 # define HORIZ_AUTO_SCALE			(1 << 5)
733 # define PANEL_8TO6_DITHER_ENABLE		(1 << 3)
734 
735 #define PFIT_PGM_RATIOS	0x61234
736 # define PFIT_VERT_SCALE_MASK			0xfff00000
737 # define PFIT_HORIZ_SCALE_MASK			0x0000fff0
738 
739 #define PFIT_AUTO_RATIOS	0x61238
740 
741 
742 #define DPLL_A		0x06014
743 #define DPLL_B		0x06018
744 # define DPLL_VCO_ENABLE			(1 << 31)
745 # define DPLL_DVO_HIGH_SPEED			(1 << 30)
746 # define DPLL_SYNCLOCK_ENABLE			(1 << 29)
747 # define DPLL_VGA_MODE_DIS			(1 << 28)
748 # define DPLLB_MODE_DAC_SERIAL			(1 << 26) /* i915 */
749 # define DPLLB_MODE_LVDS			(2 << 26) /* i915 */
750 # define DPLL_MODE_MASK				(3 << 26)
751 # define DPLL_DAC_SERIAL_P2_CLOCK_DIV_10	(0 << 24) /* i915 */
752 # define DPLL_DAC_SERIAL_P2_CLOCK_DIV_5		(1 << 24) /* i915 */
753 # define DPLLB_LVDS_P2_CLOCK_DIV_14		(0 << 24) /* i915 */
754 # define DPLLB_LVDS_P2_CLOCK_DIV_7		(1 << 24) /* i915 */
755 # define DPLL_P2_CLOCK_DIV_MASK			0x03000000 /* i915 */
756 # define DPLL_FPA01_P1_POST_DIV_MASK		0x00ff0000 /* i915 */
757 /**
758  *  The i830 generation, in DAC/serial mode, defines p1 as two plus this
759  * bitfield, or just 2 if PLL_P1_DIVIDE_BY_TWO is set.
760  */
761 # define DPLL_FPA01_P1_POST_DIV_MASK_I830	0x001f0000
762 /**
763  * The i830 generation, in LVDS mode, defines P1 as the bit number set within
764  * this field (only one bit may be set).
765  */
766 # define DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS	0x003f0000
767 # define DPLL_FPA01_P1_POST_DIV_SHIFT		16
768 # define PLL_P2_DIVIDE_BY_4			(1 << 23) /* i830, required in DVO non-gang */
769 # define PLL_P1_DIVIDE_BY_TWO			(1 << 21) /* i830 */
770 # define PLL_REF_INPUT_DREFCLK			(0 << 13)
771 # define PLL_REF_INPUT_TVCLKINA			(1 << 13) /* i830 */
772 # define PLL_REF_INPUT_TVCLKINBC		(2 << 13) /* SDVO TVCLKIN */
773 # define PLLB_REF_INPUT_SPREADSPECTRUMIN	(3 << 13)
774 # define PLL_REF_INPUT_MASK			(3 << 13)
775 # define PLL_LOAD_PULSE_PHASE_SHIFT		9
776 /*
777  * Parallel to Serial Load Pulse phase selection.
778  * Selects the phase for the 10X DPLL clock for the PCIe
779  * digital display port. The range is 4 to 13; 10 or more
780  * is just a flip delay. The default is 6
781  */
782 # define PLL_LOAD_PULSE_PHASE_MASK		(0xf << PLL_LOAD_PULSE_PHASE_SHIFT)
783 # define DISPLAY_RATE_SELECT_FPA1		(1 << 8)
784 
785 /**
786  * SDVO multiplier for 945G/GM. Not used on 965.
787  *
788  * \sa DPLL_MD_UDI_MULTIPLIER_MASK
789  */
790 # define SDVO_MULTIPLIER_MASK			0x000000ff
791 # define SDVO_MULTIPLIER_SHIFT_HIRES		4
792 # define SDVO_MULTIPLIER_SHIFT_VGA		0
793 
794 /** @defgroup DPLL_MD
795  * @{
796  */
797 /** Pipe A SDVO/UDI clock multiplier/divider register for G965. */
798 #define DPLL_A_MD		0x0601c
799 /** Pipe B SDVO/UDI clock multiplier/divider register for G965. */
800 #define DPLL_B_MD		0x06020
801 /**
802  * UDI pixel divider, controlling how many pixels are stuffed into a packet.
803  *
804  * Value is pixels minus 1.  Must be set to 1 pixel for SDVO.
805  */
806 # define DPLL_MD_UDI_DIVIDER_MASK		0x3f000000
807 # define DPLL_MD_UDI_DIVIDER_SHIFT		24
808 /** UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */
809 # define DPLL_MD_VGA_UDI_DIVIDER_MASK		0x003f0000
810 # define DPLL_MD_VGA_UDI_DIVIDER_SHIFT		16
811 /**
812  * SDVO/UDI pixel multiplier.
813  *
814  * SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus
815  * clock rate is 10 times the DPLL clock.  At low resolution/refresh rate
816  * modes, the bus rate would be below the limits, so SDVO allows for stuffing
817  * dummy bytes in the datastream at an increased clock rate, with both sides of
818  * the link knowing how many bytes are fill.
819  *
820  * So, for a mode with a dotclock of 65Mhz, we would want to double the clock
821  * rate to 130Mhz to get a bus rate of 1.30Ghz.  The DPLL clock rate would be
822  * set to 130Mhz, and the SDVO multiplier set to 2x in this register and
823  * through an SDVO command.
824  *
825  * This register field has values of multiplication factor minus 1, with
826  * a maximum multiplier of 5 for SDVO.
827  */
828 # define DPLL_MD_UDI_MULTIPLIER_MASK		0x00003f00
829 # define DPLL_MD_UDI_MULTIPLIER_SHIFT		8
830 /** SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK.
831  * This best be set to the default value (3) or the CRT won't work. No,
832  * I don't entirely understand what this does...
833  */
834 # define DPLL_MD_VGA_UDI_MULTIPLIER_MASK	0x0000003f
835 # define DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT	0
836 /** @} */
837 
838 #define DPLL_TEST		0x606c
839 # define DPLLB_TEST_SDVO_DIV_1			(0 << 22)
840 # define DPLLB_TEST_SDVO_DIV_2			(1 << 22)
841 # define DPLLB_TEST_SDVO_DIV_4			(2 << 22)
842 # define DPLLB_TEST_SDVO_DIV_MASK		(3 << 22)
843 # define DPLLB_TEST_N_BYPASS			(1 << 19)
844 # define DPLLB_TEST_M_BYPASS			(1 << 18)
845 # define DPLLB_INPUT_BUFFER_ENABLE		(1 << 16)
846 # define DPLLA_TEST_N_BYPASS			(1 << 3)
847 # define DPLLA_TEST_M_BYPASS			(1 << 2)
848 # define DPLLA_INPUT_BUFFER_ENABLE		(1 << 0)
849 
850 #define ADPA			0x61100
851 #define ADPA_DAC_ENABLE		(1<<31)
852 #define ADPA_DAC_DISABLE	0
853 #define ADPA_PIPE_SELECT_MASK	(1<<30)
854 #define ADPA_PIPE_A_SELECT	0
855 #define ADPA_PIPE_B_SELECT	(1<<30)
856 #define ADPA_USE_VGA_HVPOLARITY (1<<15)
857 #define ADPA_SETS_HVPOLARITY	0
858 #define ADPA_VSYNC_CNTL_DISABLE (1<<11)
859 #define ADPA_VSYNC_CNTL_ENABLE	0
860 #define ADPA_HSYNC_CNTL_DISABLE (1<<10)
861 #define ADPA_HSYNC_CNTL_ENABLE	0
862 #define ADPA_VSYNC_ACTIVE_HIGH	(1<<4)
863 #define ADPA_VSYNC_ACTIVE_LOW	0
864 #define ADPA_HSYNC_ACTIVE_HIGH	(1<<3)
865 #define ADPA_HSYNC_ACTIVE_LOW	0
866 
867 #define FPA0		0x06040
868 #define FPA1		0x06044
869 #define FPB0		0x06048
870 #define FPB1		0x0604c
871 # define FP_N_DIV_MASK				0x003f0000
872 # define FP_N_DIV_SHIFT				16
873 # define FP_M1_DIV_MASK				0x00003f00
874 # define FP_M1_DIV_SHIFT			8
875 # define FP_M2_DIV_MASK				0x0000003f
876 # define FP_M2_DIV_SHIFT			0
877 
878 
879 #define PORT_HOTPLUG_EN		0x61110
880 # define SDVOB_HOTPLUG_INT_EN			(1 << 26)
881 # define SDVOC_HOTPLUG_INT_EN			(1 << 25)
882 # define TV_HOTPLUG_INT_EN			(1 << 18)
883 # define CRT_HOTPLUG_INT_EN			(1 << 9)
884 # define CRT_HOTPLUG_FORCE_DETECT		(1 << 3)
885 
886 #define PORT_HOTPLUG_STAT	0x61114
887 # define CRT_HOTPLUG_INT_STATUS			(1 << 11)
888 # define TV_HOTPLUG_INT_STATUS			(1 << 10)
889 # define CRT_HOTPLUG_MONITOR_MASK		(3 << 8)
890 # define CRT_HOTPLUG_MONITOR_COLOR		(3 << 8)
891 # define CRT_HOTPLUG_MONITOR_MONO		(2 << 8)
892 # define CRT_HOTPLUG_MONITOR_NONE		(0 << 8)
893 # define SDVOC_HOTPLUG_INT_STATUS		(1 << 7)
894 # define SDVOB_HOTPLUG_INT_STATUS		(1 << 6)
895 
896 #define SDVOB			0x61140
897 #define SDVOC			0x61160
898 #define SDVO_ENABLE				(1 << 31)
899 #define SDVO_PIPE_B_SELECT			(1 << 30)
900 #define SDVO_STALL_SELECT			(1 << 29)
901 #define SDVO_INTERRUPT_ENABLE			(1 << 26)
902 /**
903  * 915G/GM SDVO pixel multiplier.
904  *
905  * Programmed value is multiplier - 1, up to 5x.
906  *
907  * \sa DPLL_MD_UDI_MULTIPLIER_MASK
908  */
909 #define SDVO_PORT_MULTIPLY_MASK			(7 << 23)
910 #define SDVO_PORT_MULTIPLY_SHIFT		23
911 #define SDVO_PHASE_SELECT_MASK			(15 << 19)
912 #define SDVO_PHASE_SELECT_DEFAULT		(6 << 19)
913 #define SDVO_CLOCK_OUTPUT_INVERT		(1 << 18)
914 #define SDVOC_GANG_MODE				(1 << 16)
915 #define SDVO_BORDER_ENABLE			(1 << 7)
916 #define SDVOB_PCIE_CONCURRENCY			(1 << 3)
917 #define SDVO_DETECTED				(1 << 2)
918 /* Bits to be preserved when writing */
919 #define SDVOB_PRESERVE_MASK			((1 << 17) | (1 << 16) | (1 << 14))
920 #define SDVOC_PRESERVE_MASK			(1 << 17)
921 
922 /** @defgroup LVDS
923  * @{
924  */
925 /**
926  * This register controls the LVDS output enable, pipe selection, and data
927  * format selection.
928  *
929  * All of the clock/data pairs are force powered down by power sequencing.
930  */
931 #define LVDS			0x61180
932 /**
933  * Enables the LVDS port.  This bit must be set before DPLLs are enabled, as
934  * the DPLL semantics change when the LVDS is assigned to that pipe.
935  */
936 # define LVDS_PORT_EN			(1 << 31)
937 /** Selects pipe B for LVDS data.  Must be set on pre-965. */
938 # define LVDS_PIPEB_SELECT		(1 << 30)
939 
940 /**
941  * Enables the A0-A2 data pairs and CLKA, containing 18 bits of color data per
942  * pixel.
943  */
944 # define LVDS_A0A2_CLKA_POWER_MASK	(3 << 8)
945 # define LVDS_A0A2_CLKA_POWER_DOWN	(0 << 8)
946 # define LVDS_A0A2_CLKA_POWER_UP	(3 << 8)
947 /**
948  * Controls the A3 data pair, which contains the additional LSBs for 24 bit
949  * mode.  Only enabled if LVDS_A0A2_CLKA_POWER_UP also indicates it should be
950  * on.
951  */
952 # define LVDS_A3_POWER_MASK		(3 << 6)
953 # define LVDS_A3_POWER_DOWN		(0 << 6)
954 # define LVDS_A3_POWER_UP		(3 << 6)
955 /**
956  * Controls the CLKB pair.  This should only be set when LVDS_B0B3_POWER_UP
957  * is set.
958  */
959 # define LVDS_CLKB_POWER_MASK		(3 << 4)
960 # define LVDS_CLKB_POWER_DOWN		(0 << 4)
961 # define LVDS_CLKB_POWER_UP		(3 << 4)
962 
963 /**
964  * Controls the B0-B3 data pairs.  This must be set to match the DPLL p2
965  * setting for whether we are in dual-channel mode.  The B3 pair will
966  * additionally only be powered up when LVDS_A3_POWER_UP is set.
967  */
968 # define LVDS_B0B3_POWER_MASK		(3 << 2)
969 # define LVDS_B0B3_POWER_DOWN		(0 << 2)
970 # define LVDS_B0B3_POWER_UP		(3 << 2)
971 
972 #define PIPEACONF 0x70008
973 #define PIPEACONF_ENABLE	(1<<31)
974 #define PIPEACONF_DISABLE	0
975 #define PIPEACONF_DOUBLE_WIDE	(1<<30)
976 #define I965_PIPECONF_ACTIVE	(1<<30)
977 #define PIPEACONF_SINGLE_WIDE	0
978 #define PIPEACONF_PIPE_UNLOCKED 0
979 #define PIPEACONF_PIPE_LOCKED	(1<<25)
980 #define PIPEACONF_PALETTE	0
981 #define PIPEACONF_GAMMA		(1<<24)
982 #define PIPECONF_FORCE_BORDER	(1<<25)
983 #define PIPECONF_PROGRESSIVE	(0 << 21)
984 #define PIPECONF_INTERLACE_W_FIELD_INDICATION	(6 << 21)
985 #define PIPECONF_INTERLACE_FIELD_0_ONLY		(7 << 21)
986 
987 #define DSPARB	  0x70030
988 #define DSPARB_CSTART_MASK	(0x7f << 7)
989 #define DSPARB_CSTART_SHIFT	7
990 #define DSPARB_BSTART_MASK	(0x7f)
991 #define DSPARB_BSTART_SHIFT	0
992 
993 #define PIPEBCONF 0x71008
994 #define PIPEBCONF_ENABLE	(1<<31)
995 #define PIPEBCONF_DISABLE	0
996 #define PIPEBCONF_DOUBLE_WIDE	(1<<30)
997 #define PIPEBCONF_DISABLE	0
998 #define PIPEBCONF_GAMMA		(1<<24)
999 #define PIPEBCONF_PALETTE	0
1000 
1001 #define PIPEBGCMAXRED		0x71010
1002 #define PIPEBGCMAXGREEN		0x71014
1003 #define PIPEBGCMAXBLUE		0x71018
1004 #define PIPEBSTAT		0x71024
1005 #define PIPEBFRAMEHIGH		0x71040
1006 #define PIPEBFRAMEPIXEL		0x71044
1007 
1008 #define DSPACNTR		0x70180
1009 #define DSPBCNTR		0x71180
1010 #define DISPLAY_PLANE_ENABLE			(1<<31)
1011 #define DISPLAY_PLANE_DISABLE			0
1012 #define DISPPLANE_GAMMA_ENABLE			(1<<30)
1013 #define DISPPLANE_GAMMA_DISABLE			0
1014 #define DISPPLANE_PIXFORMAT_MASK		(0xf<<26)
1015 #define DISPPLANE_8BPP				(0x2<<26)
1016 #define DISPPLANE_15_16BPP			(0x4<<26)
1017 #define DISPPLANE_16BPP				(0x5<<26)
1018 #define DISPPLANE_32BPP_NO_ALPHA		(0x6<<26)
1019 #define DISPPLANE_32BPP				(0x7<<26)
1020 #define DISPPLANE_STEREO_ENABLE			(1<<25)
1021 #define DISPPLANE_STEREO_DISABLE		0
1022 #define DISPPLANE_SEL_PIPE_MASK			(1<<24)
1023 #define DISPPLANE_SEL_PIPE_A			0
1024 #define DISPPLANE_SEL_PIPE_B			(1<<24)
1025 #define DISPPLANE_SRC_KEY_ENABLE		(1<<22)
1026 #define DISPPLANE_SRC_KEY_DISABLE		0
1027 #define DISPPLANE_LINE_DOUBLE			(1<<20)
1028 #define DISPPLANE_NO_LINE_DOUBLE		0
1029 #define DISPPLANE_STEREO_POLARITY_FIRST		0
1030 #define DISPPLANE_STEREO_POLARITY_SECOND	(1<<18)
1031 /* plane B only */
1032 #define DISPPLANE_ALPHA_TRANS_ENABLE		(1<<15)
1033 #define DISPPLANE_ALPHA_TRANS_DISABLE		0
1034 #define DISPPLANE_SPRITE_ABOVE_DISPLAYA		0
1035 #define DISPPLANE_SPRITE_ABOVE_OVERLAY		(1)
1036 
1037 #define DSPABASE		0x70184
1038 #define DSPASTRIDE		0x70188
1039 
1040 #define DSPBBASE		0x71184
1041 #define DSPBADDR		DSPBBASE
1042 #define DSPBSTRIDE		0x71188
1043 
1044 #define DSPAKEYVAL		0x70194
1045 #define DSPAKEYMASK		0x70198
1046 
1047 #define DSPAPOS			0x7018C /* reserved */
1048 #define DSPASIZE		0x70190
1049 #define DSPBPOS			0x7118C
1050 #define DSPBSIZE		0x71190
1051 
1052 #define DSPASURF		0x7019C
1053 #define DSPATILEOFF		0x701A4
1054 
1055 #define DSPBSURF		0x7119C
1056 #define DSPBTILEOFF		0x711A4
1057 
1058 #define VGACNTRL		0x71400
1059 # define VGA_DISP_DISABLE			(1 << 31)
1060 # define VGA_2X_MODE				(1 << 30)
1061 # define VGA_PIPE_B_SELECT			(1 << 29)
1062 
1063 /*
1064  * Some BIOS scratch area registers.  The 845 (and 830?) store the amount
1065  * of video memory available to the BIOS in SWF1.
1066  */
1067 
1068 #define SWF0			0x71410
1069 
1070 /*
1071  * 855 scratch registers.
1072  */
1073 #define SWF10			0x70410
1074 
1075 #define SWF30			0x72414
1076 
1077 /*
1078  * Overlay registers.  These are overlay registers accessed via MMIO.
1079  * Those loaded via the overlay register page are defined in i830_video.c.
1080  */
1081 #define OVADD			0x30000
1082 
1083 #define DOVSTA			0x30008
1084 #define OC_BUF			(0x3<<20)
1085 
1086 #define OGAMC5			0x30010
1087 #define OGAMC4			0x30014
1088 #define OGAMC3			0x30018
1089 #define OGAMC2			0x3001c
1090 #define OGAMC1			0x30020
1091 #define OGAMC0			0x30024
1092 /*
1093  * Palette registers
1094  */
1095 #define PALETTE_A		0x0a000
1096 #define PALETTE_B		0x0a800
1097 
1098 #define IS_I830(dev) ((dev)->pci_device == 0x3577)
1099 #define IS_845G(dev) ((dev)->pci_device == 0x2562)
1100 #define IS_I85X(dev) ((dev)->pci_device == 0x3582)
1101 #define IS_I855(dev) ((dev)->pci_device == 0x3582)
1102 #define IS_I865G(dev) ((dev)->pci_device == 0x2572)
1103 
1104 #define IS_I915G(dev) ((dev)->pci_device == 0x2582 || (dev)->pci_device == 0x258a)
1105 #define IS_I915GM(dev) ((dev)->pci_device == 0x2592)
1106 #define IS_I945G(dev) ((dev)->pci_device == 0x2772)
1107 #define IS_I945GM(dev) ((dev)->pci_device == 0x27A2 ||\
1108 		        (dev)->pci_device == 0x27AE)
1109 #define IS_I965G(dev) ((dev)->pci_device == 0x2972 || \
1110 		       (dev)->pci_device == 0x2982 || \
1111 		       (dev)->pci_device == 0x2992 || \
1112 		       (dev)->pci_device == 0x29A2 || \
1113 		       (dev)->pci_device == 0x2A02 || \
1114 		       (dev)->pci_device == 0x2A12 || \
1115 		       (dev)->pci_device == 0x2A42 || \
1116 		       (dev)->pci_device == 0x2E02 || \
1117 		       (dev)->pci_device == 0x2E12 || \
1118 		       (dev)->pci_device == 0x2E22)
1119 
1120 #define IS_I965GM(dev) ((dev)->pci_device == 0x2A02)
1121 
1122 #define IS_IGD_GM(dev) ((dev)->pci_device == 0x2A42)
1123 
1124 #define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \
1125 		     (dev)->pci_device == 0x2E12 || \
1126 		     (dev)->pci_device == 0x2E22)
1127 
1128 #define IS_G33(dev)    ((dev)->pci_device == 0x29C2 ||	\
1129 			(dev)->pci_device == 0x29B2 ||	\
1130 			(dev)->pci_device == 0x29D2)
1131 
1132 #define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \
1133 		      IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev))
1134 
1135 #define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
1136 			IS_I945GM(dev) || IS_I965GM(dev) || IS_IGD_GM(dev))
1137 
1138 #define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_IGD_GM(dev) || IS_G4X(dev))
1139 
1140 #define PRIMARY_RINGBUFFER_SIZE         (128*1024)
1141 
1142 #endif
1143