xref: /titanic_41/usr/src/uts/intel/io/drm/i915_drv.h (revision bbb1277b6ec1b0daad4e3ed1a2b891d3e2ece2eb)
1 /* BEGIN CSTYLED */
2 
3 /* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
4  */
5 /*
6  *
7  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
8  * Copyright (c) 2009, Intel Corporation.
9  * All Rights Reserved.
10  *
11  * Permission is hereby granted, free of charge, to any person obtaining a
12  * copy of this software and associated documentation files (the
13  * "Software"), to deal in the Software without restriction, including
14  * without limitation the rights to use, copy, modify, merge, publish,
15  * distribute, sub license, and/or sell copies of the Software, and to
16  * permit persons to whom the Software is furnished to do so, subject to
17  * the following conditions:
18  *
19  * The above copyright notice and this permission notice (including the
20  * next paragraph) shall be included in all copies or substantial portions
21  * of the Software.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
24  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
26  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
27  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
28  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
29  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30  *
31  */
32 
33 /*
34  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
35  * Use is subject to license terms.
36  */
37 
38 #ifndef _I915_DRV_H
39 #define _I915_DRV_H
40 
41 /* General customization:
42  */
43 
44 #define DRIVER_AUTHOR		"Tungsten Graphics, Inc."
45 
46 #define DRIVER_NAME		"i915"
47 #define DRIVER_DESC		"Intel Graphics"
48 #define DRIVER_DATE		"20080730"
49 
50 #if defined(__SVR4) && defined(__sun)
51 #define spinlock_t kmutex_t
52 #endif
53 
54 #define I915_NUM_PIPE	2
55 
56 #define I915_NUM_PIPE  2
57 
58 /* Interface history:
59  *
60  * 1.1: Original.
61  * 1.2: Add Power Management
62  * 1.3: Add vblank support
63  * 1.4: Fix cmdbuffer path, add heap destroy
64  * 1.5: Add vblank pipe configuration
65  * 1.6: - New ioctl for scheduling buffer swaps on vertical blank
66  * 	    - Support vertical blank on secondary display pipe
67  */
68 #define DRIVER_MAJOR		1
69 #define DRIVER_MINOR		6
70 #define DRIVER_PATCHLEVEL	0
71 
72 #if defined(__linux__)
73 #define I915_HAVE_FENCE
74 #define I915_HAVE_BUFFER
75 #endif
76 #define	I915_HAVE_GEM	1
77 
78 typedef struct _drm_i915_ring_buffer {
79 	int tail_mask;
80 	unsigned long Size;
81 	u8 *virtual_start;
82 	int head;
83 	int tail;
84 	int space;
85 	drm_local_map_t map;
86 	struct drm_gem_object *ring_obj;
87 } drm_i915_ring_buffer_t;
88 
89 struct mem_block {
90 	struct mem_block *next;
91 	struct mem_block *prev;
92 	int start;
93 	int size;
94 	drm_file_t *filp;		/* 0: free, -1: heap, other: real files */
95 };
96 
97 typedef struct _drm_i915_vbl_swap {
98 	struct list_head head;
99 	drm_drawable_t drw_id;
100 	unsigned int plane;
101 	unsigned int sequence;
102 	int flip;
103 } drm_i915_vbl_swap_t;
104 
105 typedef struct s3_i915_private {
106 	ddi_acc_handle_t saveHandle;
107 	caddr_t saveAddr;
108 	uint32_t pgtbl_ctl;
109 	uint8_t saveLBB;
110 	uint32_t saveDSPACNTR;
111 	uint32_t saveDSPBCNTR;
112 	uint32_t saveDSPARB;
113 	uint32_t saveRENDERSTANDBY;
114 	uint32_t saveHWS;
115 	uint32_t savePIPEACONF;
116 	uint32_t savePIPEBCONF;
117 	uint32_t savePIPEASRC;
118 	uint32_t savePIPEBSRC;
119 	uint32_t saveFPA0;
120 	uint32_t saveFPA1;
121 	uint32_t saveDPLL_A;
122 	uint32_t saveDPLL_A_MD;
123 	uint32_t saveHTOTAL_A;
124 	uint32_t saveHBLANK_A;
125 	uint32_t saveHSYNC_A;
126 	uint32_t saveVTOTAL_A;
127 	uint32_t saveVBLANK_A;
128 	uint32_t saveVSYNC_A;
129 	uint32_t saveBCLRPAT_A;
130 	uint32_t saveDSPASTRIDE;
131 	uint32_t saveDSPASIZE;
132 	uint32_t saveDSPAPOS;
133 	uint32_t saveDSPABASE;
134 	uint32_t saveDSPASURF;
135 	uint32_t saveDSPATILEOFF;
136 	uint32_t savePFIT_PGM_RATIOS;
137 	uint32_t saveBLC_PWM_CTL;
138 	uint32_t saveBLC_PWM_CTL2;
139 	uint32_t saveFPB0;
140 	uint32_t saveFPB1;
141 	uint32_t saveDPLL_B;
142 	uint32_t saveDPLL_B_MD;
143 	uint32_t saveHTOTAL_B;
144 	uint32_t saveHBLANK_B;
145 	uint32_t saveHSYNC_B;
146 	uint32_t saveVTOTAL_B;
147 	uint32_t saveVBLANK_B;
148 	uint32_t saveVSYNC_B;
149 	uint32_t saveBCLRPAT_B;
150  	uint32_t saveDSPBSTRIDE;
151 	uint32_t saveDSPBSIZE;
152 	uint32_t saveDSPBPOS;
153 	uint32_t saveDSPBBASE;
154 	uint32_t saveDSPBSURF;
155 	uint32_t saveDSPBTILEOFF;
156 	uint32_t saveVCLK_DIVISOR_VGA0;
157 	uint32_t saveVCLK_DIVISOR_VGA1;
158 	uint32_t saveVCLK_POST_DIV;
159 	uint32_t saveVGACNTRL;
160 	uint32_t saveADPA;
161 	uint32_t saveLVDS;
162 	uint32_t saveLVDSPP_ON;
163 	uint32_t saveLVDSPP_OFF;
164 	uint32_t saveDVOA;
165 	uint32_t saveDVOB;
166 	uint32_t saveDVOC;
167 	uint32_t savePP_ON;
168 	uint32_t savePP_OFF;
169 	uint32_t savePP_CONTROL;
170 	uint32_t savePP_CYCLE;
171 	uint32_t savePFIT_CONTROL;
172 	uint32_t save_palette_a[256];
173 	uint32_t save_palette_b[256];
174 	uint32_t saveFBC_CFB_BASE;
175 	uint32_t saveFBC_LL_BASE;
176 	uint32_t saveFBC_CONTROL;
177 	uint32_t saveFBC_CONTROL2;
178 	uint32_t saveIER;
179 	uint32_t saveIIR;
180 	uint32_t saveIMR;
181 	uint32_t saveD_STATE;
182 	uint32_t saveCG_2D_DIS;
183 	uint32_t saveMI_ARB_STATE;
184 	uint32_t savePIPEASTAT;
185 	uint32_t savePIPEBSTAT;
186 	uint32_t saveCACHE_MODE_0;
187 	uint32_t saveSWF0[16];
188 	uint32_t saveSWF1[16];
189 	uint32_t saveSWF2[3];
190 	uint8_t saveMSR;
191 	uint8_t saveSR[8];
192 	uint8_t saveGR[25];
193 	uint8_t saveAR_INDEX;
194 	uint8_t saveAR[21];
195 	uint8_t saveDACMASK;
196 	uint8_t saveDACDATA[256*3]; /* 256 3-byte colors */
197 	uint8_t saveCR[37];
198 } s3_i915_private_t;
199 
200 struct drm_i915_error_state {
201 	u32 eir;
202 	u32 pgtbl_er;
203 	u32 pipeastat;
204 	u32 pipebstat;
205 	u32 ipeir;
206 	u32 ipehr;
207 	u32 instdone;
208 	u32 acthd;
209 	u32 instpm;
210 	u32 instps;
211 	u32 instdone1;
212 	u32 seqno;
213 	struct timeval time;
214 };
215 
216 typedef struct drm_i915_private {
217 	struct drm_device *dev;
218 
219 	drm_local_map_t *sarea;
220 	drm_local_map_t *mmio_map;
221 
222 	drm_i915_sarea_t *sarea_priv;
223 	drm_i915_ring_buffer_t ring;
224 
225  	drm_dma_handle_t *status_page_dmah;
226 	void *hw_status_page;
227 	dma_addr_t dma_status_page;
228 	uint32_t counter;
229 	unsigned int status_gfx_addr;
230 	drm_local_map_t hws_map;
231 	struct drm_gem_object *hws_obj;
232 
233 	unsigned int cpp;
234 	int back_offset;
235 	int front_offset;
236 	int current_page;
237 	int page_flipping;
238 
239 	wait_queue_head_t irq_queue;
240 	atomic_t irq_received;
241         /** Protects user_irq_refcount and irq_mask_reg */
242         spinlock_t user_irq_lock;
243         /** Refcount for i915_user_irq_get() versus i915_user_irq_put(). */
244         int user_irq_refcount;
245         /** Cached value of IMR to avoid reads in updating the bitfield */
246         int irq_mask_reg;
247 	uint32_t pipestat[2];
248 	/** splitted irq regs for graphics and display engine on IGDNG,
249 	irq_mask_reg is still used for display irq. */
250 	u32 gt_irq_mask_reg;
251 	u32 gt_irq_enable_reg;
252 	u32 de_irq_enable_reg;
253 
254 	int tex_lru_log_granularity;
255 	int allow_batchbuffer;
256 	struct mem_block *agp_heap;
257 	unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
258 	int vblank_pipe;
259 
260 	spinlock_t error_lock;
261 	struct drm_i915_error_state *first_error;
262 
263 	struct {
264 		struct drm_mm gtt_space;
265 
266 		drm_local_map_t gtt_mapping;
267 		/**
268 		 * List of objects currently involved in rendering from the
269 		 * ringbuffer.
270 		 *
271 		 * A reference is held on the buffer while on this list.
272 		 */
273 		struct list_head active_list;
274 
275 		/**
276 		 * List of objects which are not in the ringbuffer but which
277 		 * still have a write_domain which needs to be flushed before
278 		 * unbinding.
279 		 *
280 		 * A reference is held on the buffer while on this list.
281 		 */
282 		struct list_head flushing_list;
283 
284 		/**
285 		 * LRU list of objects which are not in the ringbuffer and
286 		 * are ready to unbind, but are still in the GTT.
287 		 *
288 		 * A reference is not held on the buffer while on this list,
289 		 * as merely being GTT-bound shouldn't prevent its being
290 		 * freed, and we'll pull it off the list in the free path.
291 		 */
292 		struct list_head inactive_list;
293 
294 		/**
295 		 * List of breadcrumbs associated with GPU requests currently
296 		 * outstanding.
297 		 */
298 		struct list_head request_list;
299 
300 		uint32_t next_gem_seqno;
301 
302 		/**
303 		 * Waiting sequence number, if any
304 		 */
305 		uint32_t waiting_gem_seqno;
306 
307 		/**
308 		 * Last seq seen at irq time
309 		 */
310 		uint32_t irq_gem_seqno;
311 
312 		/**
313 		 * Flag if the X Server, and thus DRM, is not currently in
314 		 * control of the device.
315 		 *
316 		 * This is set between LeaveVT and EnterVT.  It needs to be
317 		 * replaced with a semaphore.  It also needs to be
318 		 * transitioned away from for kernel modesetting.
319 		 */
320 		int suspended;
321 
322 		/**
323 		 * Flag if the hardware appears to be wedged.
324 		 *
325 		 * This is set when attempts to idle the device timeout.
326 		 * It prevents command submission from occuring and makes
327 		 * every pending request fail
328 		 */
329 		int wedged;
330 
331 		/** Bit 6 swizzling required for X tiling */
332 		uint32_t bit_6_swizzle_x;
333 		/** Bit 6 swizzling required for Y tiling */
334 		uint32_t bit_6_swizzle_y;
335 	} mm;
336 
337 } drm_i915_private_t;
338 
339 struct drm_track {
340 	struct drm_track *next, *prev;
341 	caddr_t contain_ptr;
342 	struct drm_gem_object *obj;
343 	uint32_t name;
344 	uint64_t offset;
345 
346 };
347 
348 /** driver private structure attached to each drm_gem_object */
349 struct drm_i915_gem_object {
350 	/** This object's place on the active/flushing/inactive lists */
351 	struct list_head list;
352 
353 	struct drm_gem_object *obj;
354 
355 	/** Current space allocated to this object in the GTT, if any. */
356 	struct drm_mm_node *gtt_space;
357 
358 
359 	/**
360 	 * This is set if the object is on the active or flushing lists
361 	 * (has pending rendering), and is not set if it's on inactive (ready
362 	 * to be unbound).
363 	 */
364 	int active;
365 
366 	/**
367 	 * This is set if the object has been written to since last bound
368 	 * to the GTT
369 	 */
370 	int dirty;
371 
372 	/** AGP memory structure for our GTT binding. */
373 	int	agp_mem;
374 
375 	caddr_t *page_list;
376 
377 	pfn_t	*pfnarray;
378 	/**
379 	 * Current offset of the object in GTT space.
380 	 *
381 	 * This is the same as gtt_space->start
382 	 */
383 	uint32_t gtt_offset;
384 
385 	/** Boolean whether this object has a valid gtt offset. */
386 	int gtt_bound;
387 
388 	/** How many users have pinned this object in GTT space */
389 	int pin_count;
390 
391 	/** Breadcrumb of last rendering to the buffer. */
392 	uint32_t last_rendering_seqno;
393 
394 	/** Current tiling mode for the object. */
395 	uint32_t tiling_mode;
396 	uint32_t stride;
397 	/**
398 	 * Flagging of which individual pages are valid in GEM_DOMAIN_CPU when
399 	 * GEM_DOMAIN_CPU is not in the object's read domain.
400 	 */
401 	uint8_t *page_cpu_valid;
402 	/** User space pin count and filp owning the pin */
403 	uint32_t user_pin_count;
404 	struct drm_file *pin_filp;
405 	/**
406 	 * Used for checking the object doesn't appear more than once
407 	 * in an execbuffer object list.
408 	 */
409 	int in_execbuffer;
410 };
411 
412 /**
413  * Request queue structure.
414  *
415  * The request queue allows us to note sequence numbers that have been emitted
416  * and may be associated with active buffers to be retired.
417  *
418  * By keeping this list, we can avoid having to do questionable
419  * sequence-number comparisons on buffer last_rendering_seqnos, and associate
420  * an emission time with seqnos for tracking how far ahead of the GPU we are.
421  */
422 struct drm_i915_gem_request {
423 	struct list_head list;
424 
425 	/** GEM sequence number associated with this request. */
426 	uint32_t seqno;
427 
428 	/** Time at which this request was emitted, in jiffies. */
429 	unsigned long emitted_jiffies;
430 
431 	/** Cache domains that were flushed at the start of the request. */
432 	uint32_t flush_domains;
433 
434 };
435 
436 struct drm_i915_file_private {
437 	struct {
438 		uint32_t last_gem_seqno;
439 		uint32_t last_gem_throttle_seqno;
440 	} mm;
441 };
442 
443 
444 enum intel_chip_family {
445 	CHIP_I8XX = 0x01,
446 	CHIP_I9XX = 0x02,
447 	CHIP_I915 = 0x04,
448 	CHIP_I965 = 0x08,
449 };
450 
451 extern drm_ioctl_desc_t i915_ioctls[];
452 extern int i915_max_ioctl;
453 extern void i915_save_display(struct drm_device *dev);
454 extern void i915_restore_display(struct drm_device *dev);
455 
456 				/* i915_dma.c */
457 extern void i915_kernel_lost_context(drm_device_t * dev);
458 extern int i915_driver_load(struct drm_device *, unsigned long flags);
459 extern int i915_driver_unload(struct drm_device *dev);
460 extern int i915_driver_open(drm_device_t * dev, drm_file_t *file_priv);
461 extern void i915_driver_lastclose(drm_device_t * dev);
462 extern void i915_driver_preclose(drm_device_t * dev, drm_file_t *filp);
463 extern void i915_driver_postclose(drm_device_t * dev,
464 		    struct drm_file *file_priv);
465 extern int i915_driver_device_is_agp(drm_device_t * dev);
466 extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
467 			      unsigned long arg);
468 extern int i915_emit_box(struct drm_device *dev,
469 			struct drm_clip_rect __user *boxes,
470 			int i, int DR1, int DR4);
471 extern void i915_emit_breadcrumb(struct drm_device *dev);
472 extern void i915_emit_mi_flush(drm_device_t *dev, uint32_t flush);
473 extern void i915_handle_error(struct drm_device *dev);
474 
475 /* i915_irq.c */
476 extern int i915_irq_emit(DRM_IOCTL_ARGS);
477 extern int i915_irq_wait(DRM_IOCTL_ARGS);
478 
479 extern int i915_enable_vblank(struct drm_device *dev, int crtc);
480 extern void i915_disable_vblank(struct drm_device *dev, int crtc);
481 extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
482 extern u32 gm45_get_vblank_counter(struct drm_device *dev, int crtc);
483 extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
484 extern int i915_driver_irq_preinstall(drm_device_t * dev);
485 extern void i915_driver_irq_postinstall(drm_device_t * dev);
486 extern void i915_driver_irq_uninstall(drm_device_t * dev);
487 extern int i915_emit_irq(drm_device_t * dev);
488 extern int i915_vblank_swap(DRM_IOCTL_ARGS);
489 extern void i915_user_irq_on(drm_device_t * dev);
490 extern void i915_user_irq_off(drm_device_t * dev);
491 extern int i915_vblank_pipe_set(DRM_IOCTL_ARGS);
492 extern int i915_vblank_pipe_get(DRM_IOCTL_ARGS);
493 
494 /* i915_mem.c */
495 extern int i915_mem_alloc(DRM_IOCTL_ARGS);
496 extern int i915_mem_free(DRM_IOCTL_ARGS);
497 extern int i915_mem_init_heap(DRM_IOCTL_ARGS);
498 extern int i915_mem_destroy_heap(DRM_IOCTL_ARGS);
499 extern void i915_mem_takedown(struct mem_block **heap);
500 extern void i915_mem_release(drm_device_t * dev,
501 			     drm_file_t *filp, struct mem_block *heap);
502 extern struct mem_block **get_heap(drm_i915_private_t *, int);
503 extern struct mem_block *find_block_by_proc(struct mem_block *, drm_file_t *);
504 extern void mark_block(drm_device_t *, struct mem_block *, int);
505 extern void free_block(struct mem_block *);
506 
507 /* i915_gem.c */
508 int i915_gem_init_ioctl(DRM_IOCTL_ARGS);
509 int i915_gem_create_ioctl(DRM_IOCTL_ARGS);
510 int i915_gem_pread_ioctl(DRM_IOCTL_ARGS);
511 int i915_gem_pwrite_ioctl(DRM_IOCTL_ARGS);
512 int i915_gem_mmap_ioctl(DRM_IOCTL_ARGS);
513 int i915_gem_set_domain_ioctl(DRM_IOCTL_ARGS);
514 int i915_gem_sw_finish_ioctl(DRM_IOCTL_ARGS);
515 int i915_gem_execbuffer(DRM_IOCTL_ARGS);
516 int i915_gem_pin_ioctl(DRM_IOCTL_ARGS);
517 int i915_gem_unpin_ioctl(DRM_IOCTL_ARGS);
518 int i915_gem_busy_ioctl(DRM_IOCTL_ARGS);
519 int i915_gem_throttle_ioctl(DRM_IOCTL_ARGS);
520 int i915_gem_entervt_ioctl(DRM_IOCTL_ARGS);
521 int i915_gem_leavevt_ioctl(DRM_IOCTL_ARGS);
522 int i915_gem_set_tiling(DRM_IOCTL_ARGS);
523 int i915_gem_get_tiling(DRM_IOCTL_ARGS);
524 int i915_gem_get_aperture_ioctl(DRM_IOCTL_ARGS);
525 void i915_gem_load(struct drm_device *dev);
526 int i915_gem_init_object(struct drm_gem_object *obj);
527 void i915_gem_free_object(struct drm_gem_object *obj);
528 int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
529 void i915_gem_object_unpin(struct drm_gem_object *obj);
530 int i915_gem_object_unbind(struct drm_gem_object *obj, uint32_t type);
531 void i915_gem_lastclose(struct drm_device *dev);
532 uint32_t i915_get_gem_seqno(struct drm_device *dev);
533 void i915_gem_retire_requests(struct drm_device *dev);
534 void i915_gem_retire_work_handler(void *dev);
535 void i915_gem_clflush_object(struct drm_gem_object *obj);
536 int i915_gem_init_ringbuffer(struct drm_device *dev);
537 
538 /* i915_gem_tiling.c */
539 void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
540 
541 /* i915_gem_debug.c */
542 void i915_gem_command_decode(uint32_t *data, int count,
543 				uint32_t hw_offset, struct drm_device *dev);
544 /* i915_gem_regdump.c */
545 int i915_reg_dump_show(struct drm_device *dev, void *v);
546 #ifdef I915_HAVE_FENCE
547 /* i915_fence.c */
548 
549 
550 extern void i915_fence_handler(drm_device_t *dev);
551 extern int i915_fence_emit_sequence(drm_device_t *dev, uint32_t class,
552 				    uint32_t flags,
553 				    uint32_t *sequence,
554 				    uint32_t *native_type);
555 extern void i915_poke_flush(drm_device_t *dev, uint32_t class);
556 extern int i915_fence_has_irq(drm_device_t *dev, uint32_t class, uint32_t flags);
557 #endif
558 
559 #ifdef I915_HAVE_BUFFER
560 /* i915_buffer.c */
561 extern drm_ttm_backend_t *i915_create_ttm_backend_entry(drm_device_t *dev);
562 extern int i915_fence_types(drm_buffer_object_t *bo, uint32_t *class, uint32_t *type);
563 extern int i915_invalidate_caches(drm_device_t *dev, uint32_t buffer_flags);
564 extern int i915_init_mem_type(drm_device_t *dev, uint32_t type,
565 			       drm_mem_type_manager_t *man);
566 extern uint32_t i915_evict_mask(drm_buffer_object_t *bo);
567 extern int i915_move(drm_buffer_object_t *bo, int evict,
568 	      	int no_wait, drm_bo_mem_reg_t *new_mem);
569 
570 #endif
571 
572 #define I915_READ(reg)          DRM_READ32(dev_priv->mmio_map, (reg))
573 #define I915_WRITE(reg,val)     DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
574 #define I915_READ16(reg) 	DRM_READ16(dev_priv->mmio_map, (reg))
575 #define I915_WRITE16(reg,val)	DRM_WRITE16(dev_priv->mmio_map, (reg), (val))
576 #define	S3_READ(reg)	\
577 	*(uint32_t volatile *)((uintptr_t)s3_priv->saveAddr + (reg))
578 #define	S3_WRITE(reg, val) \
579 	*(uint32_t volatile *)((uintptr_t)s3_priv->saveAddr + (reg)) = (val)
580 
581 #define I915_VERBOSE 0
582 #define I915_RING_VALIDATE 0
583 
584 #if I915_RING_VALIDATE
585 void i915_ring_validate(struct drm_device *dev, const char *func, int line);
586 #define I915_RING_DO_VALIDATE(dev) i915_ring_validate(dev, __FUNCTION__, __LINE__)
587 #else
588 #define I915_RING_DO_VALIDATE(dev)
589 #endif
590 
591 #define RING_LOCALS	unsigned int outring, ringmask, outcount; \
592                         volatile unsigned char *virt;
593 
594 
595 #define I915_RING_VALIDATE 0
596 
597 #if I915_RING_VALIDATE
598 void i915_ring_validate(struct drm_device *dev, const char *func, int line);
599 #define I915_RING_DO_VALIDATE(dev) i915_ring_validate(dev, __FUNCTION__, __LINE__)
600 #else
601 #define I915_RING_DO_VALIDATE(dev)
602 #endif
603 
604 #if I915_VERBOSE
605 #define BEGIN_LP_RING(n) do {				\
606 	DRM_DEBUG("BEGIN_LP_RING(%d)\n", (n));		\
607 	DRM_DEBUG("dev_priv->ring.virtual_start (%lx)\n", (dev_priv->ring.virtual_start));		\
608 	I915_RING_DO_VALIDATE(dev);			\
609 	if (dev_priv->ring.space < (n)*4)			\
610 		(void) i915_wait_ring(dev, (n)*4, __FUNCTION__);		\
611 	outcount = 0;					\
612 	outring = dev_priv->ring.tail;			\
613 	ringmask = dev_priv->ring.tail_mask;		\
614 	virt = dev_priv->ring.virtual_start;		\
615 } while (*"\0")
616 #else
617 #define BEGIN_LP_RING(n) do {				\
618 	I915_RING_DO_VALIDATE(dev);			\
619 	if (dev_priv->ring.space < (n)*4)			\
620 		(void) i915_wait_ring(dev, (n)*4, __FUNCTION__);		\
621 	outcount = 0;					\
622 	outring = dev_priv->ring.tail;			\
623 	ringmask = dev_priv->ring.tail_mask;		\
624 	virt = dev_priv->ring.virtual_start;		\
625 } while (*"\0")
626 #endif
627 
628 #if I915_VERBOSE
629 #define OUT_RING(n) do {					\
630 	DRM_DEBUG("   OUT_RING %x\n", (int)(n));	\
631 	*(volatile unsigned int *)(void *)(virt + outring) = (n);		\
632         outcount++;						\
633 	outring += 4;						\
634 	outring &= ringmask;					\
635 } while (*"\0")
636 #else
637 #define OUT_RING(n) do {					\
638 	*(volatile unsigned int *)(void *)(virt + outring) = (n);		\
639         outcount++;						\
640 	outring += 4;						\
641 	outring &= ringmask;					\
642 } while (*"\0")
643 #endif
644 
645 #if I915_VERBOSE
646 #define ADVANCE_LP_RING() do {						\
647 	DRM_DEBUG("ADVANCE_LP_RING %x\n", outring);	\
648 	I915_RING_DO_VALIDATE(dev);					\
649 	dev_priv->ring.tail = outring;					\
650 	dev_priv->ring.space -= outcount * 4;				\
651 	I915_WRITE(PRB0_TAIL, outring);			\
652 } while (*"\0")
653 #else
654 #define ADVANCE_LP_RING() do {						\
655 	I915_RING_DO_VALIDATE(dev);					\
656 	dev_priv->ring.tail = outring;					\
657 	dev_priv->ring.space -= outcount * 4;				\
658 	I915_WRITE(PRB0_TAIL, outring);			\
659 } while (*"\0")
660 #endif
661 
662 extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller);
663 
664 /* Extended config space */
665 #define LBB 0xf4
666 #define GDRST 0xc0
667 #define GDRST_FULL	(0<<2)
668 #define GDRST_RENDER	(1<<2)
669 #define GDRST_MEDIA	(3<<2)
670 
671 /* VGA stuff */
672 
673 #define VGA_ST01_MDA 0x3ba
674 #define VGA_ST01_CGA 0x3da
675 
676 #define VGA_MSR_WRITE 0x3c2
677 #define VGA_MSR_READ 0x3cc
678 #define   VGA_MSR_MEM_EN (1<<1)
679 #define   VGA_MSR_CGA_MODE (1<<0)
680 
681 #define VGA_SR_INDEX 0x3c4
682 #define VGA_SR_DATA 0x3c5
683 
684 #define VGA_AR_INDEX 0x3c0
685 #define   VGA_AR_VID_EN (1<<5)
686 #define VGA_AR_DATA_WRITE 0x3c0
687 #define VGA_AR_DATA_READ 0x3c1
688 
689 #define VGA_GR_INDEX 0x3ce
690 #define VGA_GR_DATA 0x3cf
691 /* GR05 */
692 #define   VGA_GR_MEM_READ_MODE_SHIFT 3
693 #define     VGA_GR_MEM_READ_MODE_PLANE 1
694 /* GR06 */
695 #define   VGA_GR_MEM_MODE_MASK 0xc
696 #define   VGA_GR_MEM_MODE_SHIFT 2
697 #define   VGA_GR_MEM_A0000_AFFFF 0
698 #define   VGA_GR_MEM_A0000_BFFFF 1
699 #define   VGA_GR_MEM_B0000_B7FFF 2
700 #define   VGA_GR_MEM_B0000_BFFFF 3
701 
702 #define VGA_DACMASK 0x3c6
703 #define VGA_DACRX 0x3c7
704 #define VGA_DACWX 0x3c8
705 #define VGA_DACDATA 0x3c9
706 
707 #define VGA_CR_INDEX_MDA 0x3b4
708 #define VGA_CR_DATA_MDA 0x3b5
709 #define VGA_CR_INDEX_CGA 0x3d4
710 #define VGA_CR_DATA_CGA 0x3d5
711 
712 
713 #define GFX_OP_USER_INTERRUPT 		((0<<29)|(2<<23))
714 #define GFX_OP_BREAKPOINT_INTERRUPT	((0<<29)|(1<<23))
715 #define CMD_REPORT_HEAD			(7<<23)
716 #define CMD_STORE_DWORD_IDX		((0x21<<23) | 0x1)
717 #define CMD_OP_BATCH_BUFFER  ((0x0<<29)|(0x30<<23)|0x1)
718 
719 #define INST_PARSER_CLIENT   0x00000000
720 #define INST_OP_FLUSH        0x02000000
721 #define INST_FLUSH_MAP_CACHE 0x00000001
722 
723 #define MI_INSTR(opcode, flags) (((opcode) << 23) | (flags))
724 #define MI_USER_INTERRUPT       MI_INSTR(2, (0 << 29))
725 #define MI_FLUSH         (0x04 << 23)
726 #define MI_NO_WRITE_FLUSH    (1 << 2)
727 #define MI_READ_FLUSH        (1 << 0)
728 #define MI_EXE_FLUSH         (1 << 1)
729 #define MI_STORE_DWORD_INDEX   MI_INSTR(0x21, 1)
730 #define	MI_STORE_DWORD_INDEX_SHIFT 2
731 
732 #define BB1_START_ADDR_MASK   (~0x7)
733 #define BB1_PROTECTED         (1<<0)
734 #define BB1_UNPROTECTED       (0<<0)
735 #define BB2_END_ADDR_MASK     (~0x7)
736 
737 #define	I915REG_PGTBL_CTRL	0x2020
738 #define IPEIR			0x02088
739 #define HWSTAM			0x02098
740 #define IIR			0x020a4
741 #define IMR		 	0x020a8
742 #define IER			0x020a0
743 #define INSTPM	      		0x020c0
744 #define ACTHD			0x020c8
745 #define PIPEASTAT		0x70024
746 #define PIPEBSTAT		0x71024
747 #define ACTHD_I965		0x02074
748 #define HWS_PGA			0x02080
749 #define IPEIR_I965	0x02064
750 #define IPEHR_I965	0x02068
751 #define INSTDONE_I965	0x0206c
752 #define INSTPS		0x02070 /* 965+ only */
753 #define INSTDONE1	0x0207c /* 965+ only */
754 #define IPEHR		0x0208c
755 #define INSTDONE	0x02090
756 #define EIR		0x020b0
757 #define EMR		0x020b4
758 #define ESR		0x020b8
759 #define   GM45_ERROR_PAGE_TABLE				(1<<5)
760 #define   GM45_ERROR_MEM_PRIV				(1<<4)
761 #define   I915_ERROR_PAGE_TABLE				(1<<4)
762 #define   GM45_ERROR_CP_PRIV				(1<<3)
763 #define   I915_ERROR_MEMORY_REFRESH			(1<<1)
764 #define   I915_ERROR_INSTRUCTION			(1<<0)
765 
766 #define PIPEA_FRMCOUNT_GM45    0x70040
767 #define PIPEA_FLIPCOUNT_GM45   0x70044
768 #define PIPEB_FRMCOUNT_GM45    0x71040
769 #define PIPEB_FLIPCOUNT_GM45   0x71044
770 
771 #define PIPE_VBLANK_INTERRUPT_ENABLE	(1UL<<17)
772 #define I915_VBLANK_CLEAR		(1UL<<1)
773 
774 #define SRX_INDEX		0x3c4
775 #define SRX_DATA		0x3c5
776 #define SR01			1
777 #define SR01_SCREEN_OFF 	(1<<5)
778 
779 #define PPCR			0x61204
780 #define PPCR_ON			(1<<0)
781 
782 #define DVOB			0x61140
783 #define DVOB_ON			(1<<31)
784 #define DVOC			0x61160
785 #define DVOC_ON			(1<<31)
786 #define LVDS			0x61180
787 #define LVDS_ON			(1<<31)
788 
789 #define ADPA			0x61100
790 #define ADPA_DPMS_MASK		(~(3<<10))
791 #define ADPA_DPMS_ON		(0<<10)
792 #define ADPA_DPMS_SUSPEND	(1<<10)
793 #define ADPA_DPMS_STANDBY	(2<<10)
794 #define ADPA_DPMS_OFF		(3<<10)
795 
796 #ifdef NOPID
797 #undef NOPID
798 #endif
799 #define NOPID                   0x2094
800 #define LP_RING     		0x2030
801 #define HP_RING     		0x2040
802 #define TAIL_ADDR		0x001FFFF8
803 #define HEAD_WRAP_COUNT     	0xFFE00000
804 #define HEAD_WRAP_ONE       	0x00200000
805 #define HEAD_ADDR           	0x001FFFFC
806 #define RING_START     		0x08
807 #define START_ADDR          	0x0xFFFFF000
808 #define RING_LEN       		0x0C
809 #define RING_NR_PAGES       	0x001FF000
810 #define RING_REPORT_MASK    	0x00000006
811 #define RING_REPORT_64K     	0x00000002
812 #define RING_REPORT_128K    	0x00000004
813 #define RING_NO_REPORT      	0x00000000
814 #define RING_VALID_MASK     	0x00000001
815 #define RING_VALID          	0x00000001
816 #define RING_INVALID        	0x00000000
817 #define PGTBL_ER		0x02024
818 #define PRB0_TAIL              0x02030
819 #define PRB0_HEAD              0x02034
820 #define PRB0_START		0x02038
821 #define PRB0_CTL               0x0203c
822 #define GFX_OP_SCISSOR         ((0x3<<29)|(0x1c<<24)|(0x10<<19))
823 #define SC_UPDATE_SCISSOR       (0x1<<1)
824 #define SC_ENABLE_MASK          (0x1<<0)
825 #define SC_ENABLE               (0x1<<0)
826 
827 #define GFX_OP_SCISSOR_INFO    ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
828 #define SCI_YMIN_MASK      (0xffff<<16)
829 #define SCI_XMIN_MASK      (0xffff<<0)
830 #define SCI_YMAX_MASK      (0xffff<<16)
831 #define SCI_XMAX_MASK      (0xffff<<0)
832 
833 #define GFX_OP_SCISSOR_ENABLE	 ((0x3<<29)|(0x1c<<24)|(0x10<<19))
834 #define GFX_OP_SCISSOR_RECT	 ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1)
835 #define GFX_OP_COLOR_FACTOR      ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
836 #define GFX_OP_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
837 #define GFX_OP_MAP_INFO          ((0x3<<29)|(0x1d<<24)|0x4)
838 #define GFX_OP_DESTBUFFER_VARS   ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
839 #define GFX_OP_DRAWRECT_INFO     ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
840 
841 #define GFX_OP_DRAWRECT_INFO_I965  ((0x7900<<16)|0x2)
842 
843 #define SRC_COPY_BLT_CMD                ((2<<29)|(0x43<<22)|4)
844 #define XY_SRC_COPY_BLT_CMD		((2<<29)|(0x53<<22)|6)
845 #define XY_SRC_COPY_BLT_WRITE_ALPHA	(1<<21)
846 #define XY_SRC_COPY_BLT_WRITE_RGB	(1<<20)
847 #define XY_SRC_COPY_BLT_SRC_TILED	(1<<15)
848 #define XY_SRC_COPY_BLT_DST_TILED	(1<<11)
849 
850 #define MI_BATCH_BUFFER 	((0x30<<23)|1)
851 #define MI_BATCH_BUFFER_START 	(0x31<<23)
852 #define MI_BATCH_BUFFER_END 	(0xA<<23)
853 #define MI_BATCH_NON_SECURE	(1)
854 
855 #define MI_BATCH_NON_SECURE_I965 (1<<8)
856 
857 #define MI_WAIT_FOR_EVENT       ((0x3<<23))
858 #define MI_WAIT_FOR_PLANE_B_FLIP      (1<<6)
859 #define MI_WAIT_FOR_PLANE_A_FLIP      (1<<2)
860 #define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1)
861 
862 #define MI_LOAD_SCAN_LINES_INCL  ((0x12<<23))
863 
864 #define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2)
865 #define ASYNC_FLIP                (1<<22)
866 #define DISPLAY_PLANE_A           (0<<20)
867 #define DISPLAY_PLANE_B           (1<<20)
868 
869 #define CMD_OP_DESTBUFFER_INFO	 ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
870 
871 /**
872  * Reads a dword out of the status page, which is written to from the command
873  * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or
874  * MI_STORE_DATA_IMM.
875  *
876  * The following dwords have a reserved meaning:
877  * 0x00: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
878  * 0x04: ring 0 head pointer
879  * 0x05: ring 1 head pointer (915-class)
880  * 0x06: ring 2 head pointer (915-class)
881  * 0x10-0x1b: Context status DWords (GM45)
882  * 0x1f: Last written status offset. (GM45)
883  *
884  * The area from dword 0x20 to 0x3ff is available for driver usage.
885  */
886 #define READ_HWSP(dev_priv, reg)  (((volatile u32*)(dev_priv->hw_status_page))[reg])
887 #define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX)
888 #define I915_GEM_HWS_INDEX		0x20
889 #define I915_BREADCRUMB_INDEX		0x21
890 
891 /*
892  * add here for S3 support
893  */
894 #define DPLL_A          0x06014
895 #define DPLL_B          0x06018
896 # define DPLL_VCO_ENABLE                        0x80000000 /* (1 << 31) */
897 # define DPLL_DVO_HIGH_SPEED                    (1 << 30)
898 # define DPLL_SYNCLOCK_ENABLE                   (1 << 29)
899 # define DPLL_VGA_MODE_DIS                      (1 << 28)
900 # define DPLLB_MODE_DAC_SERIAL                  (1 << 26) /* i915 */
901 # define DPLLB_MODE_LVDS                        (2 << 26) /* i915 */
902 # define DPLL_MODE_MASK                         (3 << 26)
903 # define DPLL_DAC_SERIAL_P2_CLOCK_DIV_10        (0 << 24) /* i915 */
904 # define DPLL_DAC_SERIAL_P2_CLOCK_DIV_5         (1 << 24) /* i915 */
905 # define DPLLB_LVDS_P2_CLOCK_DIV_14             (0 << 24) /* i915 */
906 # define DPLLB_LVDS_P2_CLOCK_DIV_7              (1 << 24) /* i915 */
907 # define DPLL_P2_CLOCK_DIV_MASK                 0x03000000 /* i915 */
908 # define DPLL_FPA01_P1_POST_DIV_MASK            0x00ff0000 /* i915 */
909 
910 /**
911  *  The i830 generation, in DAC/serial mode, defines p1 as two plus this
912  * bitfield, or just 2 if PLL_P1_DIVIDE_BY_TWO is set.
913  */
914 # define DPLL_FPA01_P1_POST_DIV_MASK_I830       0x001f0000
915 /**
916  * The i830 generation, in LVDS mode, defines P1 as the bit number set within
917  * this field (only one bit may be set).
918  */
919 # define DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS  0x003f0000
920 # define DPLL_FPA01_P1_POST_DIV_SHIFT           16
921 # define PLL_P2_DIVIDE_BY_4                     (1 << 23) /* i830, required in DVO non-gang */
922 # define PLL_P1_DIVIDE_BY_TWO                   (1 << 21) /* i830 */
923 # define PLL_REF_INPUT_DREFCLK                  (0 << 13)
924 # define PLL_REF_INPUT_TVCLKINA                 (1 << 13) /* i830 */
925 # define PLL_REF_INPUT_TVCLKINBC                (2 << 13) /* SDVO TVCLKIN */
926 # define PLLB_REF_INPUT_SPREADSPECTRUMIN        (3 << 13)
927 # define PLL_REF_INPUT_MASK                     (3 << 13)
928 # define PLL_LOAD_PULSE_PHASE_SHIFT             9
929 
930 /* IGDNG */
931 #define PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT	9
932 #define PLL_REF_SDVO_HDMI_MULTIPLIER_MASK	(7 << 9)
933 #define PLL_REF_SDVO_HDMI_MULTIPLIER(x)		(((x)-1) << 9)
934 #define DPLL_FPA1_P1_POST_DIV_SHIFT		0
935 #define DPLL_FPA1_P1_POST_DIV_MASK		0xff
936 
937 /*
938  * Parallel to Serial Load Pulse phase selection.
939  * Selects the phase for the 10X DPLL clock for the PCIe
940  * digital display port. The range is 4 to 13; 10 or more
941  * is just a flip delay. The default is 6
942  */
943 # define PLL_LOAD_PULSE_PHASE_MASK              (0xf << PLL_LOAD_PULSE_PHASE_SHIFT)
944 # define DISPLAY_RATE_SELECT_FPA1               (1 << 8)
945 
946 /**
947  * SDVO multiplier for 945G/GM. Not used on 965.
948  *
949  * \sa DPLL_MD_UDI_MULTIPLIER_MASK
950  */
951 # define SDVO_MULTIPLIER_MASK                   0x000000ff
952 # define SDVO_MULTIPLIER_SHIFT_HIRES            4
953 # define SDVO_MULTIPLIER_SHIFT_VGA              0
954 
955 /** @defgroup DPLL_MD
956  * @{
957  */
958 /** Pipe A SDVO/UDI clock multiplier/divider register for G965. */
959 #define DPLL_A_MD               0x0601c
960 /** Pipe B SDVO/UDI clock multiplier/divider register for G965. */
961 #define DPLL_B_MD               0x06020
962 /**
963  * UDI pixel divider, controlling how many pixels are stuffed into a packet.
964  *
965  * Value is pixels minus 1.  Must be set to 1 pixel for SDVO.
966  */
967 # define DPLL_MD_UDI_DIVIDER_MASK               0x3f000000
968 # define DPLL_MD_UDI_DIVIDER_SHIFT              24
969 /** UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */
970 # define DPLL_MD_VGA_UDI_DIVIDER_MASK           0x003f0000
971 # define DPLL_MD_VGA_UDI_DIVIDER_SHIFT          16
972 /**
973  * SDVO/UDI pixel multiplier.
974  *
975  * SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus
976  * clock rate is 10 times the DPLL clock.  At low resolution/refresh rate
977  * modes, the bus rate would be below the limits, so SDVO allows for stuffing
978  * dummy bytes in the datastream at an increased clock rate, with both sides of
979  * the link knowing how many bytes are fill.
980  *
981  * So, for a mode with a dotclock of 65Mhz, we would want to double the clock
982  * rate to 130Mhz to get a bus rate of 1.30Ghz.  The DPLL clock rate would be
983  * set to 130Mhz, and the SDVO multiplier set to 2x in this register and
984  * through an SDVO command.
985  *
986  * This register field has values of multiplication factor minus 1, with
987  * a maximum multiplier of 5 for SDVO.
988  */
989 # define DPLL_MD_UDI_MULTIPLIER_MASK            0x00003f00
990 # define DPLL_MD_UDI_MULTIPLIER_SHIFT           8
991 /** SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK.
992  * This best be set to the default value (3) or the CRT won't work. No,
993  * I don't entirely understand what this does...
994  */
995 # define DPLL_MD_VGA_UDI_MULTIPLIER_MASK        0x0000003f
996 # define DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT       0
997 /** @} */
998 
999 #define DPLL_TEST               0x606c
1000 # define DPLLB_TEST_SDVO_DIV_1                  (0 << 22)
1001 # define DPLLB_TEST_SDVO_DIV_2                  (1 << 22)
1002 # define DPLLB_TEST_SDVO_DIV_4                  (2 << 22)
1003 # define DPLLB_TEST_SDVO_DIV_MASK               (3 << 22)
1004 # define DPLLB_TEST_N_BYPASS                    (1 << 19)
1005 # define DPLLB_TEST_M_BYPASS                    (1 << 18)
1006 # define DPLLB_INPUT_BUFFER_ENABLE              (1 << 16)
1007 # define DPLLA_TEST_N_BYPASS                    (1 << 3)
1008 # define DPLLA_TEST_M_BYPASS                    (1 << 2)
1009 # define DPLLA_INPUT_BUFFER_ENABLE              (1 << 0)
1010 
1011 /*
1012  * Palette registers
1013  */
1014 #define PALETTE_A               0x0a000
1015 #define PALETTE_B               0x0a800
1016 
1017 /* MCH MMIO space */
1018 
1019 /*
1020  * MCHBAR mirror.
1021  *
1022  * This mirrors the MCHBAR MMIO space whose location is determined by
1023  * device 0 function 0's pci config register 0x44 or 0x48 and matches it in
1024  * every way.  It is not accessible from the CP register read instructions.
1025  *
1026  */
1027 #define MCHBAR_MIRROR_BASE	0x10000
1028 
1029 /** 915-945 and GM965 MCH register controlling DRAM channel access */
1030 #define DCC			0x10200
1031 #define DCC_ADDRESSING_MODE_SINGLE_CHANNEL		(0 << 0)
1032 #define DCC_ADDRESSING_MODE_DUAL_CHANNEL_ASYMMETRIC	(1 << 0)
1033 #define DCC_ADDRESSING_MODE_DUAL_CHANNEL_INTERLEAVED	(2 << 0)
1034 #define DCC_ADDRESSING_MODE_MASK			(3 << 0)
1035 #define DCC_CHANNEL_XOR_DISABLE				(1 << 10)
1036 #define DCC_CHANNEL_XOR_BIT_17				(1 << 9)
1037 
1038 /** 965 MCH register controlling DRAM channel configuration */
1039 #define C0DRB3			0x10206
1040 #define C1DRB3			0x10606
1041 
1042 /** GM965 GM45 render standby register */
1043 #define MCHBAR_RENDER_STANDBY	0x111B8
1044 
1045 #define FPA0            0x06040
1046 #define FPA1            0x06044
1047 #define FPB0            0x06048
1048 #define FPB1            0x0604c
1049 
1050 #define D_STATE         0x6104
1051 #define CG_2D_DIS       0x6200
1052 #define CG_3D_DIS       0x6204
1053 
1054 #define MI_ARB_STATE    0x20e4
1055 
1056 /*
1057  * Cache mode 0 reg.
1058  *  - Manipulating render cache behaviour is central
1059  *    to the concept of zone rendering, tuning this reg can help avoid
1060  *    unnecessary render cache reads and even writes (for z/stencil)
1061  *    at beginning and end of scene.
1062  *
1063  * - To change a bit, write to this reg with a mask bit set and the
1064  * bit of interest either set or cleared.  EG: (BIT<<16) | BIT to set.
1065  */
1066 #define CACHE_MODE_0   0x2120
1067 
1068 /* I830 CRTC registers */
1069 #define HTOTAL_A        0x60000
1070 #define HBLANK_A        0x60004
1071 #define HSYNC_A         0x60008
1072 #define VTOTAL_A        0x6000c
1073 #define VBLANK_A        0x60010
1074 #define VSYNC_A         0x60014
1075 #define PIPEASRC        0x6001c
1076 #define BCLRPAT_A       0x60020
1077 #define VSYNCSHIFT_A    0x60028
1078 
1079 #define HTOTAL_B        0x61000
1080 #define HBLANK_B        0x61004
1081 #define HSYNC_B         0x61008
1082 #define VTOTAL_B        0x6100c
1083 #define VBLANK_B        0x61010
1084 #define VSYNC_B         0x61014
1085 #define PIPEBSRC        0x6101c
1086 #define BCLRPAT_B       0x61020
1087 #define VSYNCSHIFT_B    0x61028
1088 
1089 #define DSPACNTR                0x70180
1090 #define DSPBCNTR                0x71180
1091 #define DISPLAY_PLANE_ENABLE                    (1<<31)
1092 #define DISPLAY_PLANE_DISABLE                   0
1093 #define DISPPLANE_GAMMA_ENABLE                  (1<<30)
1094 #define DISPPLANE_GAMMA_DISABLE                 0
1095 #define DISPPLANE_PIXFORMAT_MASK                (0xf<<26)
1096 #define DISPPLANE_8BPP                          (0x2<<26)
1097 #define DISPPLANE_15_16BPP                      (0x4<<26)
1098 #define DISPPLANE_16BPP                         (0x5<<26)
1099 #define DISPPLANE_32BPP_NO_ALPHA                (0x6<<26)
1100 #define DISPPLANE_32BPP                         (0x7<<26)
1101 #define DISPPLANE_STEREO_ENABLE                 (1<<25)
1102 #define DISPPLANE_STEREO_DISABLE                0
1103 #define DISPPLANE_SEL_PIPE_MASK                 (1<<24)
1104 #define DISPPLANE_SEL_PIPE_A                    0
1105 #define DISPPLANE_SEL_PIPE_B                    (1<<24)
1106 #define DISPPLANE_SRC_KEY_ENABLE                (1<<22)
1107 #define DISPPLANE_SRC_KEY_DISABLE               0
1108 #define DISPPLANE_LINE_DOUBLE                   (1<<20)
1109 #define DISPPLANE_NO_LINE_DOUBLE                0
1110 #define DISPPLANE_STEREO_POLARITY_FIRST         0
1111 #define DISPPLANE_STEREO_POLARITY_SECOND        (1<<18)
1112 /* plane B only */
1113 #define DISPPLANE_ALPHA_TRANS_ENABLE            (1<<15)
1114 #define DISPPLANE_ALPHA_TRANS_DISABLE           0
1115 #define DISPPLANE_SPRITE_ABOVE_DISPLAYA         0
1116 #define DISPPLANE_SPRITE_ABOVE_OVERLAY          (1)
1117 
1118 #define DSPABASE                0x70184
1119 #define DSPASTRIDE              0x70188
1120 
1121 #define DSPBBASE                0x71184
1122 #define DSPBADDR                DSPBBASE
1123 #define DSPBSTRIDE              0x71188
1124 
1125 #define DSPAKEYVAL              0x70194
1126 #define DSPAKEYMASK             0x70198
1127 
1128 #define DSPAPOS                 0x7018C /* reserved */
1129 #define DSPASIZE                0x70190
1130 #define DSPBPOS                 0x7118C
1131 #define DSPBSIZE                0x71190
1132 
1133 #define DSPASURF                0x7019C
1134 #define DSPATILEOFF             0x701A4
1135 
1136 #define DSPBSURF                0x7119C
1137 #define DSPBTILEOFF             0x711A4
1138 
1139 #define PIPEACONF 0x70008
1140 #define PIPEACONF_ENABLE        (1UL<<31)
1141 #define PIPEACONF_DISABLE       0
1142 #define PIPEACONF_DOUBLE_WIDE   (1<<30)
1143 #define I965_PIPECONF_ACTIVE    (1<<30)
1144 #define PIPEACONF_SINGLE_WIDE   0
1145 #define PIPEACONF_PIPE_UNLOCKED 0
1146 #define PIPEACONF_PIPE_LOCKED   (1<<25)
1147 #define PIPEACONF_PALETTE       0
1148 #define PIPEACONF_GAMMA         (1<<24)
1149 #define PIPECONF_FORCE_BORDER   (1<<25)
1150 #define PIPECONF_PROGRESSIVE    (0 << 21)
1151 #define PIPECONF_INTERLACE_W_FIELD_INDICATION   (6 << 21)
1152 #define PIPECONF_INTERLACE_FIELD_0_ONLY         (7 << 21)
1153 
1154 #define PIPEBCONF 0x71008
1155 #define PIPEBCONF_ENABLE        (1UL<<31)
1156 #define PIPEBCONF_DISABLE       0
1157 #define PIPEBCONF_DOUBLE_WIDE   (1<<30)
1158 #define PIPEBCONF_DISABLE       0
1159 #define PIPEBCONF_GAMMA         (1<<24)
1160 #define PIPEBCONF_PALETTE       0
1161 
1162 #define BLC_PWM_CTL             0x61254
1163 #define BACKLIGHT_MODULATION_FREQ_SHIFT         (17)
1164 
1165 #define BLC_PWM_CTL2            0x61250
1166 
1167 #define PFIT_CONTROL    0x61230
1168 #define PFIT_PGM_RATIOS 0x61234
1169 
1170 /**
1171  * Indicates that all dependencies of the panel are on:
1172  *
1173  * - PLL enabled
1174  * - pipe enabled
1175  * - LVDS/DVOB/DVOC on
1176  */
1177 #define PP_READY                               (1 << 30)
1178 #define PP_SEQUENCE_NONE                       (0 << 28)
1179 #define PP_SEQUENCE_ON                         (1 << 28)
1180 #define PP_SEQUENCE_OFF                        (2 << 28)
1181 #define PP_SEQUENCE_MASK                       0x30000000
1182 #define PP_CONTROL      0x61204
1183 #define POWER_TARGET_ON                        (1 << 0)
1184 
1185 #define LVDSPP_ON       0x61208
1186 #define LVDSPP_OFF      0x6120c
1187 #define PP_CYCLE        0x61210
1188 
1189 /* Framebuffer compression */
1190 #define FBC_CFB_BASE            0x03200 /* 4k page aligned */
1191 #define FBC_LL_BASE             0x03204 /* 4k page aligned */
1192 #define FBC_CONTROL             0x03208
1193 
1194 #define VGACNTRL                0x71400
1195 
1196 #define VCLK_DIVISOR_VGA0   0x6000
1197 #define VCLK_DIVISOR_VGA1   0x6004
1198 #define VCLK_POST_DIV       0x6010
1199 
1200 /* Framebuffer compression */
1201 #define FBC_CFB_BASE            0x03200 /* 4k page aligned */
1202 #define FBC_LL_BASE             0x03204 /* 4k page aligned */
1203 #define FBC_CONTROL             0x03208
1204 #define   FBC_CTL_EN            (1<<31)
1205 #define   FBC_CTL_PERIODIC      (1<<30)
1206 #define   FBC_CTL_INTERVAL_SHIFT (16)
1207 #define   FBC_CTL_UNCOMPRESSIBLE (1<<14)
1208 #define   FBC_CTL_STRIDE_SHIFT  (5)
1209 #define   FBC_CTL_FENCENO       (1<<0)
1210 #define	FBC_COMMAND             0x0320c
1211 #define   FBC_CMD_COMPRESS      (1<<0)
1212 #define FBC_STATUS              0x03210
1213 #define   FBC_STAT_COMPRESSING  (1<<31)
1214 #define   FBC_STAT_COMPRESSED   (1<<30)
1215 #define   FBC_STAT_MODIFIED     (1<<29)
1216 #define   FBC_STAT_CURRENT_LINE (1<<0)
1217 #define FBC_CONTROL2            0x03214
1218 #define   FBC_CTL_FENCE_DBL     (0<<4)
1219 #define   FBC_CTL_IDLE_IMM      (0<<2)
1220 #define   FBC_CTL_IDLE_FULL     (1<<2)
1221 #define   FBC_CTL_IDLE_LINE     (2<<2)
1222 #define   FBC_CTL_IDLE_DEBUG    (3<<2)
1223 #define   FBC_CTL_CPU_FENCE     (1<<1)
1224 #define   FBC_CTL_PLANEA        (0<<0)
1225 #define   FBC_CTL_PLANEB        (1<<0)
1226 #define FBC_FENCE_OFF           0x0321b
1227 
1228 #define FBC_LL_SIZE             (1536)
1229 #define FBC_LL_PAD              (32)
1230 
1231 #define	DSPARB                  0x70030
1232 
1233 #define PIPEAFRAMEHIGH          0x70040
1234 #define PIPEBFRAMEHIGH		0x71040
1235 #define PIPE_FRAME_HIGH_MASK    0x0000ffff
1236 #define PIPE_FRAME_HIGH_SHIFT   0
1237 #define PIPEAFRAMEPIXEL         0x70044
1238 #define PIPEBFRAMEPIXEL		0x71044
1239 
1240 #define PIPE_FRAME_LOW_MASK     0xff000000
1241 #define PIPE_FRAME_LOW_SHIFT    24
1242 
1243 /* Interrupt bits:
1244  */
1245 #define I915_PIPE_CONTROL_NOTIFY_INTERRUPT		(1<<18)
1246 #define I915_DISPLAY_PORT_INTERRUPT			(1<<17)
1247 #define I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT	(1<<15)
1248 #define I915_GMCH_THERMAL_SENSOR_EVENT_INTERRUPT	(1<<14)
1249 #define I915_HWB_OOM_INTERRUPT				(1<<13) /* binner out of memory */
1250 #define I915_SYNC_STATUS_INTERRUPT			(1<<12)
1251 #define I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT	(1<<11)
1252 #define I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT	(1<<10)
1253 #define I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT	(1<<9)
1254 #define I915_DISPLAY_PLANE_C_FLIP_PENDING_INTERRUPT	(1<<8)
1255 #define I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT		(1<<7)
1256 #define I915_DISPLAY_PIPE_A_EVENT_INTERRUPT		(1<<6)
1257 #define I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT		(1<<5)
1258 #define I915_DISPLAY_PIPE_B_EVENT_INTERRUPT		(1<<4)
1259 #define I915_DEBUG_INTERRUPT				(1<<2)
1260 #define I915_USER_INTERRUPT				(1<<1)
1261 #define	I915_ASLE_INTERRUPT				(1<<0)
1262 
1263 #define I915_FIFO_UNDERRUN_STATUS		(1UL<<31)
1264 #define I915_CRC_ERROR_ENABLE			(1UL<<29)
1265 #define I915_CRC_DONE_ENABLE			(1UL<<28)
1266 #define I915_GMBUS_EVENT_ENABLE			(1UL<<27)
1267 #define I915_VSYNC_INTERRUPT_ENABLE		(1UL<<25)
1268 #define I915_DISPLAY_LINE_COMPARE_ENABLE	(1UL<<24)
1269 #define I915_DPST_EVENT_ENABLE			(1UL<<23)
1270 #define I915_LEGACY_BLC_EVENT_ENABLE		(1UL<<22)
1271 #define I915_ODD_FIELD_INTERRUPT_ENABLE		(1UL<<21)
1272 #define I915_EVEN_FIELD_INTERRUPT_ENABLE	(1UL<<20)
1273 #define PIPE_START_VBLANK_INTERRUPT_ENABLE	(1UL<<18)	/* 965 or later */
1274 #define I915_VBLANK_INTERRUPT_ENABLE		(1UL<<17)
1275 #define I915_OVERLAY_UPDATED_ENABLE		(1UL<<16)
1276 #define I915_CRC_ERROR_INTERRUPT_STATUS		(1UL<<13)
1277 #define I915_CRC_DONE_INTERRUPT_STATUS		(1UL<<12)
1278 #define I915_GMBUS_INTERRUPT_STATUS		(1UL<<11)
1279 #define I915_VSYNC_INTERRUPT_STATUS		(1UL<<9)
1280 #define I915_DISPLAY_LINE_COMPARE_STATUS	(1UL<<8)
1281 #define I915_DPST_EVENT_STATUS			(1UL<<7)
1282 #define I915_LEGACY_BLC_EVENT_STATUS		(1UL<<6)
1283 #define I915_ODD_FIELD_INTERRUPT_STATUS		(1UL<<5)
1284 #define I915_EVEN_FIELD_INTERRUPT_STATUS	(1UL<<4)
1285 #define PIPE_START_VBLANK_INTERRUPT_STATUS	(1UL<<2)	/* 965 or later */
1286 #define PIPE_VBLANK_INTERRUPT_STATUS		(1UL<<1)
1287 #define I915_OVERLAY_UPDATED_STATUS		(1UL<<0)
1288 
1289 /* GM45+ just has to be different */
1290 #define PIPEA_FRMCOUNT_GM45    0x70040
1291 #define PIPEA_FLIPCOUNT_GM45   0x70044
1292 #define PIPEB_FRMCOUNT_GM45    0x71040
1293 #define PIPEB_FLIPCOUNT_GM45   0x71044
1294 
1295 /*
1296  * Some BIOS scratch area registers.  The 845 (and 830?) store the amount
1297  * of video memory available to the BIOS in SWF1.
1298  */
1299 
1300 #define SWF0                    0x71410
1301 
1302 /*
1303  * 855 scratch registers.
1304  */
1305 #define SWF10                   0x70410
1306 
1307 #define SWF30                   0x72414
1308 
1309 /* IGDNG */
1310 
1311 #define CPU_VGACNTRL	0x41000
1312 
1313 #define DIGITAL_PORT_HOTPLUG_CNTRL      0x44030
1314 #define  DIGITAL_PORTA_HOTPLUG_ENABLE           (1 << 4)
1315 #define  DIGITAL_PORTA_SHORT_PULSE_2MS          (0 << 2)
1316 #define  DIGITAL_PORTA_SHORT_PULSE_4_5MS        (1 << 2)
1317 #define  DIGITAL_PORTA_SHORT_PULSE_6MS          (2 << 2)
1318 #define  DIGITAL_PORTA_SHORT_PULSE_100MS        (3 << 2)
1319 #define  DIGITAL_PORTA_NO_DETECT                (0 << 0)
1320 #define  DIGITAL_PORTA_LONG_PULSE_DETECT_MASK   (1 << 1)
1321 #define  DIGITAL_PORTA_SHORT_PULSE_DETECT_MASK  (1 << 0)
1322 
1323 /* refresh rate hardware control */
1324 #define RR_HW_CTL       0x45300
1325 #define  RR_HW_LOW_POWER_FRAMES_MASK    0xff
1326 #define  RR_HW_HIGH_POWER_FRAMES_MASK   0xff00
1327 
1328 #define FDI_PLL_BIOS_0  0x46000
1329 #define FDI_PLL_BIOS_1  0x46004
1330 #define FDI_PLL_BIOS_2  0x46008
1331 #define DISPLAY_PORT_PLL_BIOS_0         0x4600c
1332 #define DISPLAY_PORT_PLL_BIOS_1         0x46010
1333 #define DISPLAY_PORT_PLL_BIOS_2         0x46014
1334 
1335 #define FDI_PLL_FREQ_CTL        0x46030
1336 #define  FDI_PLL_FREQ_CHANGE_REQUEST    (1<<24)
1337 #define  FDI_PLL_FREQ_LOCK_LIMIT_MASK   0xfff00
1338 #define  FDI_PLL_FREQ_DISABLE_COUNT_LIMIT_MASK  0xff
1339 
1340 
1341 #define PIPEA_DATA_M1           0x60030
1342 #define  TU_SIZE(x)             (((x)-1) << 25) /* default size 64 */
1343 #define  TU_SIZE_MASK           0x7e000000
1344 #define  PIPEA_DATA_M1_OFFSET   0
1345 #define PIPEA_DATA_N1           0x60034
1346 #define  PIPEA_DATA_N1_OFFSET   0
1347 
1348 #define PIPEA_DATA_M2           0x60038
1349 #define  PIPEA_DATA_M2_OFFSET   0
1350 #define PIPEA_DATA_N2           0x6003c
1351 #define  PIPEA_DATA_N2_OFFSET   0
1352 
1353 #define PIPEA_LINK_M1           0x60040
1354 #define  PIPEA_LINK_M1_OFFSET   0
1355 #define PIPEA_LINK_N1           0x60044
1356 #define  PIPEA_LINK_N1_OFFSET   0
1357 
1358 #define PIPEA_LINK_M2           0x60048
1359 #define  PIPEA_LINK_M2_OFFSET   0
1360 #define PIPEA_LINK_N2           0x6004c
1361 #define  PIPEA_LINK_N2_OFFSET   0
1362 
1363 /* PIPEB timing regs are same start from 0x61000 */
1364 
1365 #define PIPEB_DATA_M1           0x61030
1366 #define  PIPEB_DATA_M1_OFFSET   0
1367 #define PIPEB_DATA_N1           0x61034
1368 #define  PIPEB_DATA_N1_OFFSET   0
1369 
1370 #define PIPEB_DATA_M2           0x61038
1371 #define  PIPEB_DATA_M2_OFFSET   0
1372 #define PIPEB_DATA_N2           0x6103c
1373 #define  PIPEB_DATA_N2_OFFSET   0
1374 
1375 #define PIPEB_LINK_M1           0x61040
1376 #define  PIPEB_LINK_M1_OFFSET   0
1377 #define PIPEB_LINK_N1           0x61044
1378 #define  PIPEB_LINK_N1_OFFSET   0
1379 
1380 #define PIPEB_LINK_M2           0x61048
1381 #define  PIPEB_LINK_M2_OFFSET   0
1382 #define PIPEB_LINK_N2           0x6104c
1383 #define  PIPEB_LINK_N2_OFFSET   0
1384 
1385 /* CPU panel fitter */
1386 #define PFA_CTL_1               0x68080
1387 #define PFB_CTL_1               0x68880
1388 #define  PF_ENABLE              (1<<31)
1389 
1390 /* legacy palette */
1391 #define LGC_PALETTE_A           0x4a000
1392 #define LGC_PALETTE_B           0x4a800
1393 
1394 /* interrupts */
1395 #define DE_MASTER_IRQ_CONTROL   (0x80000000)
1396 #define DE_SPRITEB_FLIP_DONE    (1 << 29)
1397 #define DE_SPRITEA_FLIP_DONE    (1 << 28)
1398 #define DE_PLANEB_FLIP_DONE     (1 << 27)
1399 #define DE_PLANEA_FLIP_DONE     (1 << 26)
1400 #define DE_PCU_EVENT            (1 << 25)
1401 #define DE_GTT_FAULT            (1 << 24)
1402 #define DE_POISON               (1 << 23)
1403 #define DE_PERFORM_COUNTER      (1 << 22)
1404 #define DE_PCH_EVENT            (1 << 21)
1405 #define DE_AUX_CHANNEL_A        (1 << 20)
1406 #define DE_DP_A_HOTPLUG         (1 << 19)
1407 #define DE_GSE                  (1 << 18)
1408 #define DE_PIPEB_VBLANK         (1 << 15)
1409 #define DE_PIPEB_EVEN_FIELD     (1 << 14)
1410 #define DE_PIPEB_ODD_FIELD      (1 << 13)
1411 #define DE_PIPEB_LINE_COMPARE   (1 << 12)
1412 #define DE_PIPEB_VSYNC          (1 << 11)
1413 #define DE_PIPEB_FIFO_UNDERRUN  (1 << 8)
1414 #define DE_PIPEA_VBLANK         (1 << 7)
1415 #define DE_PIPEA_EVEN_FIELD     (1 << 6)
1416 #define DE_PIPEA_ODD_FIELD      (1 << 5)
1417 #define DE_PIPEA_LINE_COMPARE   (1 << 4)
1418 #define DE_PIPEA_VSYNC          (1 << 3)
1419 #define DE_PIPEA_FIFO_UNDERRUN  (1 << 0)
1420 
1421 #define DEISR   0x44000
1422 #define DEIMR   0x44004
1423 #define DEIIR   0x44008
1424 #define DEIER   0x4400c
1425 
1426 /* GT interrupt */
1427 #define GT_SYNC_STATUS          (1 << 2)
1428 #define GT_USER_INTERRUPT       (1 << 0)
1429 
1430 #define GTISR   0x44010
1431 #define GTIMR   0x44014
1432 #define GTIIR   0x44018
1433 #define GTIER   0x4401c
1434 
1435 /* PCH */
1436 
1437 /* south display engine interrupt */
1438 #define SDE_CRT_HOTPLUG         (1 << 11)
1439 #define SDE_PORTD_HOTPLUG       (1 << 10)
1440 #define SDE_PORTC_HOTPLUG       (1 << 9)
1441 #define SDE_PORTB_HOTPLUG       (1 << 8)
1442 #define SDE_SDVOB_HOTPLUG       (1 << 6)
1443 
1444 #define SDEISR  0xc4000
1445 #define SDEIMR  0xc4004
1446 #define SDEIIR  0xc4008
1447 #define SDEIER  0xc400c
1448 
1449 /* digital port hotplug */
1450 #define PCH_PORT_HOTPLUG        0xc4030
1451 #define PORTD_HOTPLUG_ENABLE            (1 << 20)
1452 #define PORTD_PULSE_DURATION_2ms        (0)
1453 #define PORTD_PULSE_DURATION_4_5ms      (1 << 18)
1454 #define PORTD_PULSE_DURATION_6ms        (2 << 18)
1455 #define PORTD_PULSE_DURATION_100ms      (3 << 18)
1456 #define PORTD_HOTPLUG_NO_DETECT         (0)
1457 #define PORTD_HOTPLUG_SHORT_DETECT      (1 << 16)
1458 #define PORTD_HOTPLUG_LONG_DETECT       (1 << 17)
1459 #define PORTC_HOTPLUG_ENABLE            (1 << 12)
1460 #define PORTC_PULSE_DURATION_2ms        (0)
1461 #define PORTC_PULSE_DURATION_4_5ms      (1 << 10)
1462 #define PORTC_PULSE_DURATION_6ms        (2 << 10)
1463 #define PORTC_PULSE_DURATION_100ms      (3 << 10)
1464 #define PORTC_HOTPLUG_NO_DETECT         (0)
1465 #define PORTC_HOTPLUG_SHORT_DETECT      (1 << 8)
1466 #define PORTC_HOTPLUG_LONG_DETECT       (1 << 9)
1467 #define PORTB_HOTPLUG_ENABLE            (1 << 4)
1468 #define PORTB_PULSE_DURATION_2ms        (0)
1469 #define PORTB_PULSE_DURATION_4_5ms      (1 << 2)
1470 #define PORTB_PULSE_DURATION_6ms        (2 << 2)
1471 #define PORTB_PULSE_DURATION_100ms      (3 << 2)
1472 #define PORTB_HOTPLUG_NO_DETECT         (0)
1473 #define PORTB_HOTPLUG_SHORT_DETECT      (1 << 0)
1474 #define PORTB_HOTPLUG_LONG_DETECT       (1 << 1)
1475 
1476 #define PCH_GPIOA               0xc5010
1477 #define PCH_GPIOB               0xc5014
1478 #define PCH_GPIOC               0xc5018
1479 #define PCH_GPIOD               0xc501c
1480 #define PCH_GPIOE               0xc5020
1481 #define PCH_GPIOF               0xc5024
1482 
1483 #define PCH_DPLL_A              0xc6014
1484 #define PCH_DPLL_B              0xc6018
1485 
1486 #define PCH_FPA0                0xc6040
1487 #define PCH_FPA1                0xc6044
1488 #define PCH_FPB0                0xc6048
1489 #define PCH_FPB1                0xc604c
1490 
1491 #define PCH_DPLL_TEST           0xc606c
1492 
1493 #define PCH_DREF_CONTROL        0xC6200
1494 #define  DREF_CONTROL_MASK      0x7fc3
1495 #define  DREF_CPU_SOURCE_OUTPUT_DISABLE         (0<<13)
1496 #define  DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD      (2<<13)
1497 #define  DREF_CPU_SOURCE_OUTPUT_NONSPREAD       (3<<13)
1498 #define  DREF_CPU_SOURCE_OUTPUT_MASK		(3<<13)
1499 #define  DREF_SSC_SOURCE_DISABLE                (0<<11)
1500 #define  DREF_SSC_SOURCE_ENABLE                 (2<<11)
1501 #define  DREF_SSC_SOURCE_MASK			(2<<11)
1502 #define  DREF_NONSPREAD_SOURCE_DISABLE          (0<<9)
1503 #define  DREF_NONSPREAD_CK505_ENABLE		(1<<9)
1504 #define  DREF_NONSPREAD_SOURCE_ENABLE           (2<<9)
1505 #define  DREF_NONSPREAD_SOURCE_MASK		(2<<9)
1506 #define  DREF_SUPERSPREAD_SOURCE_DISABLE        (0<<7)
1507 #define  DREF_SUPERSPREAD_SOURCE_ENABLE         (2<<7)
1508 #define  DREF_SSC4_DOWNSPREAD                   (0<<6)
1509 #define  DREF_SSC4_CENTERSPREAD                 (1<<6)
1510 #define  DREF_SSC1_DISABLE                      (0<<1)
1511 #define  DREF_SSC1_ENABLE                       (1<<1)
1512 #define  DREF_SSC4_DISABLE                      (0)
1513 #define  DREF_SSC4_ENABLE                       (1)
1514 
1515 #define PCH_RAWCLK_FREQ         0xc6204
1516 #define  FDL_TP1_TIMER_SHIFT    12
1517 #define  FDL_TP1_TIMER_MASK     (3<<12)
1518 #define  FDL_TP2_TIMER_SHIFT    10
1519 #define  FDL_TP2_TIMER_MASK     (3<<10)
1520 #define  RAWCLK_FREQ_MASK       0x3ff
1521 
1522 #define PCH_DPLL_TMR_CFG        0xc6208
1523 
1524 #define PCH_SSC4_PARMS          0xc6210
1525 #define PCH_SSC4_AUX_PARMS      0xc6214
1526 
1527 /* transcoder */
1528 
1529 #define TRANS_HTOTAL_A          0xe0000
1530 #define  TRANS_HTOTAL_SHIFT     16
1531 #define  TRANS_HACTIVE_SHIFT    0
1532 #define TRANS_HBLANK_A          0xe0004
1533 #define  TRANS_HBLANK_END_SHIFT 16
1534 #define  TRANS_HBLANK_START_SHIFT 0
1535 #define TRANS_HSYNC_A           0xe0008
1536 #define  TRANS_HSYNC_END_SHIFT  16
1537 #define  TRANS_HSYNC_START_SHIFT 0
1538 #define TRANS_VTOTAL_A          0xe000c
1539 #define  TRANS_VTOTAL_SHIFT     16
1540 #define  TRANS_VACTIVE_SHIFT    0
1541 #define TRANS_VBLANK_A          0xe0010
1542 #define  TRANS_VBLANK_END_SHIFT 16
1543 #define  TRANS_VBLANK_START_SHIFT 0
1544 #define TRANS_VSYNC_A           0xe0014
1545 #define  TRANS_VSYNC_END_SHIFT  16
1546 #define  TRANS_VSYNC_START_SHIFT 0
1547 
1548 #define TRANSA_DATA_M1          0xe0030
1549 #define TRANSA_DATA_N1          0xe0034
1550 #define TRANSA_DATA_M2          0xe0038
1551 #define TRANSA_DATA_N2          0xe003c
1552 #define TRANSA_DP_LINK_M1       0xe0040
1553 #define TRANSA_DP_LINK_N1       0xe0044
1554 #define TRANSA_DP_LINK_M2       0xe0048
1555 #define TRANSA_DP_LINK_N2       0xe004c
1556 
1557 #define TRANS_HTOTAL_B          0xe1000
1558 #define TRANS_HBLANK_B          0xe1004
1559 #define TRANS_HSYNC_B           0xe1008
1560 #define TRANS_VTOTAL_B          0xe100c
1561 #define TRANS_VBLANK_B          0xe1010
1562 #define TRANS_VSYNC_B           0xe1014
1563 
1564 #define TRANSB_DATA_M1          0xe1030
1565 #define TRANSB_DATA_N1          0xe1034
1566 #define TRANSB_DATA_M2          0xe1038
1567 #define TRANSB_DATA_N2          0xe103c
1568 #define TRANSB_DP_LINK_M1       0xe1040
1569 #define TRANSB_DP_LINK_N1       0xe1044
1570 #define TRANSB_DP_LINK_M2       0xe1048
1571 #define TRANSB_DP_LINK_N2       0xe104c
1572 
1573 #define TRANSACONF              0xf0008
1574 #define TRANSBCONF              0xf1008
1575 #define  TRANS_DISABLE          (0<<31)
1576 #define  TRANS_ENABLE           (1<<31)
1577 #define  TRANS_STATE_MASK       (1<<30)
1578 #define  TRANS_STATE_DISABLE    (0<<30)
1579 #define  TRANS_STATE_ENABLE     (1<<30)
1580 #define  TRANS_FSYNC_DELAY_HB1  (0<<27)
1581 #define  TRANS_FSYNC_DELAY_HB2  (1<<27)
1582 #define  TRANS_FSYNC_DELAY_HB3  (2<<27)
1583 #define  TRANS_FSYNC_DELAY_HB4  (3<<27)
1584 #define  TRANS_DP_AUDIO_ONLY    (1<<26)
1585 #define  TRANS_DP_VIDEO_AUDIO   (0<<26)
1586 #define  TRANS_PROGRESSIVE      (0<<21)
1587 #define  TRANS_8BPC             (0<<5)
1588 #define  TRANS_10BPC            (1<<5)
1589 #define  TRANS_6BPC             (2<<5)
1590 #define  TRANS_12BPC            (3<<5)
1591 
1592 #define FDI_RXA_CHICKEN         0xc200c
1593 #define FDI_RXB_CHICKEN         0xc2010
1594 #define  FDI_RX_PHASE_SYNC_POINTER_ENABLE       (1)
1595 
1596 /* CPU: FDI_TX */
1597 #define FDI_TXA_CTL             0x60100
1598 #define FDI_TXB_CTL             0x61100
1599 #define  FDI_TX_DISABLE         (0<<31)
1600 #define  FDI_TX_ENABLE          (1<<31)
1601 #define  FDI_LINK_TRAIN_PATTERN_1       (0<<28)
1602 #define  FDI_LINK_TRAIN_PATTERN_2       (1<<28)
1603 #define  FDI_LINK_TRAIN_PATTERN_IDLE    (2<<28)
1604 #define  FDI_LINK_TRAIN_NONE            (3<<28)
1605 #define  FDI_LINK_TRAIN_VOLTAGE_0_4V    (0<<25)
1606 #define  FDI_LINK_TRAIN_VOLTAGE_0_6V    (1<<25)
1607 #define  FDI_LINK_TRAIN_VOLTAGE_0_8V    (2<<25)
1608 #define  FDI_LINK_TRAIN_VOLTAGE_1_2V    (3<<25)
1609 #define  FDI_LINK_TRAIN_PRE_EMPHASIS_NONE (0<<22)
1610 #define  FDI_LINK_TRAIN_PRE_EMPHASIS_1_5X (1<<22)
1611 #define  FDI_LINK_TRAIN_PRE_EMPHASIS_2X   (2<<22)
1612 #define  FDI_LINK_TRAIN_PRE_EMPHASIS_3X   (3<<22)
1613 #define  FDI_DP_PORT_WIDTH_X1           (0<<19)
1614 #define  FDI_DP_PORT_WIDTH_X2           (1<<19)
1615 #define  FDI_DP_PORT_WIDTH_X3           (2<<19)
1616 #define  FDI_DP_PORT_WIDTH_X4           (3<<19)
1617 #define  FDI_TX_ENHANCE_FRAME_ENABLE    (1<<18)
1618 /* IGDNG: hardwired to 1 */
1619 #define  FDI_TX_PLL_ENABLE              (1<<14)
1620 /* both Tx and Rx */
1621 #define  FDI_SCRAMBLING_ENABLE          (0<<7)
1622 #define  FDI_SCRAMBLING_DISABLE         (1<<7)
1623 
1624 /* FDI_RX, FDI_X is hard-wired to Transcoder_X */
1625 #define FDI_RXA_CTL             0xf000c
1626 #define FDI_RXB_CTL             0xf100c
1627 #define  FDI_RX_ENABLE          (1<<31)
1628 #define  FDI_RX_DISABLE         (0<<31)
1629 /* train, dp width same as FDI_TX */
1630 #define  FDI_DP_PORT_WIDTH_X8           (7<<19)
1631 #define  FDI_8BPC                       (0<<16)
1632 #define  FDI_10BPC                      (1<<16)
1633 #define  FDI_6BPC                       (2<<16)
1634 #define  FDI_12BPC                      (3<<16)
1635 #define  FDI_LINK_REVERSE_OVERWRITE     (1<<15)
1636 #define  FDI_DMI_LINK_REVERSE_MASK      (1<<14)
1637 #define  FDI_RX_PLL_ENABLE              (1<<13)
1638 #define  FDI_FS_ERR_CORRECT_ENABLE      (1<<11)
1639 #define  FDI_FE_ERR_CORRECT_ENABLE      (1<<10)
1640 #define  FDI_FS_ERR_REPORT_ENABLE       (1<<9)
1641 #define  FDI_FE_ERR_REPORT_ENABLE       (1<<8)
1642 #define  FDI_RX_ENHANCE_FRAME_ENABLE    (1<<6)
1643 #define  FDI_SEL_RAWCLK                 (0<<4)
1644 #define  FDI_SEL_PCDCLK                 (1<<4)
1645 
1646 #define FDI_RXA_MISC            0xf0010
1647 #define FDI_RXB_MISC            0xf1010
1648 #define FDI_RXA_TUSIZE1         0xf0030
1649 #define FDI_RXA_TUSIZE2         0xf0038
1650 #define FDI_RXB_TUSIZE1         0xf1030
1651 #define FDI_RXB_TUSIZE2         0xf1038
1652 
1653 /* FDI_RX interrupt register format */
1654 #define FDI_RX_INTER_LANE_ALIGN         (1<<10)
1655 #define FDI_RX_SYMBOL_LOCK              (1<<9) /* train 2 */
1656 #define FDI_RX_BIT_LOCK                 (1<<8) /* train 1 */
1657 #define FDI_RX_TRAIN_PATTERN_2_FAIL     (1<<7)
1658 #define FDI_RX_FS_CODE_ERR              (1<<6)
1659 #define FDI_RX_FE_CODE_ERR              (1<<5)
1660 #define FDI_RX_SYMBOL_ERR_RATE_ABOVE    (1<<4)
1661 #define FDI_RX_HDCP_LINK_FAIL           (1<<3)
1662 #define FDI_RX_PIXEL_FIFO_OVERFLOW      (1<<2)
1663 #define FDI_RX_CROSS_CLOCK_OVERFLOW     (1<<1)
1664 #define FDI_RX_SYMBOL_QUEUE_OVERFLOW    (1<<0)
1665 
1666 #define FDI_RXA_IIR             0xf0014
1667 #define FDI_RXA_IMR             0xf0018
1668 #define FDI_RXB_IIR             0xf1014
1669 #define FDI_RXB_IMR             0xf1018
1670 
1671 #define FDI_PLL_CTL_1           0xfe000
1672 #define FDI_PLL_CTL_2           0xfe004
1673 
1674 /* CRT */
1675 #define PCH_ADPA                0xe1100
1676 #define  ADPA_TRANS_SELECT_MASK (1<<30)
1677 #define  ADPA_TRANS_A_SELECT    0
1678 #define  ADPA_TRANS_B_SELECT    (1<<30)
1679 #define  ADPA_CRT_HOTPLUG_MASK  0x03ff0000 /* bit 25-16 */
1680 #define  ADPA_CRT_HOTPLUG_MONITOR_NONE  (0<<24)
1681 #define  ADPA_CRT_HOTPLUG_MONITOR_MASK  (3<<24)
1682 #define  ADPA_CRT_HOTPLUG_MONITOR_COLOR (3<<24)
1683 #define  ADPA_CRT_HOTPLUG_MONITOR_MONO  (2<<24)
1684 #define  ADPA_CRT_HOTPLUG_ENABLE        (1<<23)
1685 #define  ADPA_CRT_HOTPLUG_PERIOD_64     (0<<22)
1686 #define  ADPA_CRT_HOTPLUG_PERIOD_128    (1<<22)
1687 #define  ADPA_CRT_HOTPLUG_WARMUP_5MS    (0<<21)
1688 #define  ADPA_CRT_HOTPLUG_WARMUP_10MS   (1<<21)
1689 #define  ADPA_CRT_HOTPLUG_SAMPLE_2S     (0<<20)
1690 #define  ADPA_CRT_HOTPLUG_SAMPLE_4S     (1<<20)
1691 #define  ADPA_CRT_HOTPLUG_VOLTAGE_40    (0<<18)
1692 #define  ADPA_CRT_HOTPLUG_VOLTAGE_50    (1<<18)
1693 #define  ADPA_CRT_HOTPLUG_VOLTAGE_60    (2<<18)
1694 #define  ADPA_CRT_HOTPLUG_VOLTAGE_70    (3<<18)
1695 #define  ADPA_CRT_HOTPLUG_VOLREF_325MV  (0<<17)
1696 #define  ADPA_CRT_HOTPLUG_VOLREF_475MV  (1<<17)
1697 #define  ADPA_CRT_HOTPLUG_FORCE_TRIGGER (1<<16)
1698 
1699 /* or SDVOB */
1700 #define HDMIB   0xe1140
1701 #define  PORT_ENABLE    (1 << 31)
1702 #define  TRANSCODER_A   (0)
1703 #define  TRANSCODER_B   (1 << 30)
1704 #define  COLOR_FORMAT_8bpc      (0)
1705 #define  COLOR_FORMAT_12bpc     (3 << 26)
1706 #define  SDVOB_HOTPLUG_ENABLE   (1 << 23)
1707 #define  SDVO_ENCODING          (0)
1708 #define  TMDS_ENCODING          (2 << 10)
1709 #define  NULL_PACKET_VSYNC_ENABLE       (1 << 9)
1710 #define  SDVOB_BORDER_ENABLE    (1 << 7)
1711 #define  AUDIO_ENABLE           (1 << 6)
1712 #define  VSYNC_ACTIVE_HIGH      (1 << 4)
1713 #define  HSYNC_ACTIVE_HIGH      (1 << 3)
1714 #define  PORT_DETECTED          (1 << 2)
1715 
1716 #define HDMIC   0xe1150
1717 #define HDMID   0xe1160
1718 
1719 #define PCH_LVDS	0xe1180
1720 #define  LVDS_DETECTED	(1 << 1)
1721 
1722 #define BLC_PWM_CPU_CTL2	0x48250
1723 #define  PWM_ENABLE		(1 << 31)
1724 #define  PWM_PIPE_A		(0 << 29)
1725 #define  PWM_PIPE_B		(1 << 29)
1726 #define BLC_PWM_CPU_CTL		0x48254
1727 
1728 #define BLC_PWM_PCH_CTL1	0xc8250
1729 #define  PWM_PCH_ENABLE		(1 << 31)
1730 #define  PWM_POLARITY_ACTIVE_LOW	(1 << 29)
1731 #define  PWM_POLARITY_ACTIVE_HIGH	(0 << 29)
1732 #define  PWM_POLARITY_ACTIVE_LOW2	(1 << 28)
1733 #define  PWM_POLARITY_ACTIVE_HIGH2	(0 << 28)
1734 
1735 #define BLC_PWM_PCH_CTL2	0xc8254
1736 
1737 #define PCH_PP_STATUS		0xc7200
1738 #define PCH_PP_CONTROL		0xc7204
1739 #define  EDP_FORCE_VDD		(1 << 3)
1740 #define  EDP_BLC_ENABLE		(1 << 2)
1741 #define  PANEL_POWER_RESET	(1 << 1)
1742 #define  PANEL_POWER_OFF	(0 << 0)
1743 #define  PANEL_POWER_ON		(1 << 0)
1744 #define PCH_PP_ON_DELAYS	0xc7208
1745 #define  EDP_PANEL		(1 << 30)
1746 #define PCH_PP_OFF_DELAYS	0xc720c
1747 #define PCH_PP_DIVISOR		0xc7210
1748 
1749 #define	PCI_DEVICE_ID_INTEL_82830_CGC 0x3577
1750 #define PCI_DEVICE_ID_INTEL_82845G_IG   0x2562
1751 #define PCI_DEVICE_ID_INTEL_82855GM_IG  0x3582
1752 #define PCI_DEVICE_ID_INTEL_82865_IG    0x2572
1753 #define PCI_DEVICE_ID_INTEL_82915G_IG   0x2582
1754 #define PCI_DEVICE_ID_INTEL_82915GM_IG  0x2592
1755 #define PCI_DEVICE_ID_INTEL_82945G_IG   0x2772
1756 #define PCI_DEVICE_ID_INTEL_82945GM_IG  0x27A2
1757 #define PCI_DEVICE_ID_INTEL_82945GME_IG 0x27AE
1758 #define	PCI_DEVICE_ID_INTEL_82946_GZ	0x2972
1759 #define	PCI_DEVICE_ID_INTEL_82G35_IG	0x2982
1760 #define	PCI_DEVICE_ID_INTEL_82Q963_IG	0x2992
1761 #define	PCI_DEVICE_ID_INTEL_82G965_IG	0x29a2
1762 #define	PCI_DEVICE_ID_INTEL_GM965_IG	0x2a02
1763 #define	PCI_DEVICE_ID_INTEL_GME965_IG	0x2a12
1764 #define	PCI_DEVICE_ID_INTEL_82G33_IG	0x29c2
1765 #define	PCI_DEVICE_ID_INTEL_82Q35_IG	0x29b2
1766 #define	PCI_DEVICE_ID_INTEL_82Q33_IG	0x29d2
1767 #define	PCI_DEVICE_ID_INTEL_CANTIGA_IG	0x2a42
1768 #define	PCI_DEVICE_ID_INTEL_EL_IG	0x2e02
1769 #define	PCI_DEVICE_ID_INTEL_82Q45_IG	0x2e12
1770 #define	PCI_DEVICE_ID_INTEL_82G45_IG	0x2e22
1771 #define	PCI_DEVICE_ID_INTEL_82G41_IG	0x2e32
1772 #define	PCI_DEVICE_ID_INTEL_IGDNG_D_IG	0x42
1773 #define	PCI_DEVICE_ID_INTEL_IGDNG_M_IG	0x46
1774 #define	PCI_DEVICE_ID_INTEL_82B43_IG	0x2e42
1775 
1776 
1777 #define IS_I830(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82830_CGC)
1778 #define IS_845G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82845G_IG)
1779 #define IS_I85X(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82855GM_IG)
1780 #define IS_I855(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82855GM_IG)
1781 #define IS_I865G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82865_IG)
1782 
1783 #define IS_I915G(dev) (dev->pci_device == PCI_DEVICE_ID_INTEL_82915G_IG)
1784 #define IS_I915GM(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82915GM_IG)
1785 #define IS_I945G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82945G_IG)
1786 #define IS_I945GM(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82945GM_IG || \
1787                         (dev)->pci_device == PCI_DEVICE_ID_INTEL_82945GME_IG)
1788 
1789 #define IS_IGDNG_D(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_IGDNG_D_IG)
1790 #define IS_IGDNG_M(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_IGDNG_M_IG)
1791 #define IS_IGDNG(dev) (IS_IGDNG_D(dev) || IS_IGDNG_M(dev))
1792 
1793 #define IS_I965G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82946_GZ || \
1794                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G35_IG || \
1795                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q963_IG || \
1796                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G965_IG || \
1797                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_GM965_IG || \
1798                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_GME965_IG || \
1799                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_CANTIGA_IG || \
1800                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_EL_IG || \
1801                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q45_IG || \
1802                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G45_IG || \
1803 			(dev)->pci_device == PCI_DEVICE_ID_INTEL_82B43_IG || \
1804 			(dev)->pci_device == PCI_DEVICE_ID_INTEL_IGDNG_D_IG || \
1805 			(dev)->pci_device == PCI_DEVICE_ID_INTEL_IGDNG_M_IG || \
1806 			(dev)->pci_device == PCI_DEVICE_ID_INTEL_82G41_IG)
1807 
1808 #define IS_I965GM(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_GM965_IG)
1809 
1810 #define IS_GM45(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_CANTIGA_IG)
1811 
1812 #define IS_G4X(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_EL_IG || \
1813                      (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q45_IG || \
1814                      (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G45_IG || \
1815                      (dev)->pci_device == PCI_DEVICE_ID_INTEL_82B43_IG || \
1816                      (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G41_IG)
1817 
1818 #define IS_G33(dev)    ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82G33_IG ||  \
1819                         (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q35_IG || \
1820                         (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q33_IG)
1821 
1822 #define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \
1823                       IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev) || \
1824 			IS_IGDNG(dev))
1825 
1826 #define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
1827                         IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev) || \
1828 			IS_IGDNG_M(dev))
1829 
1830 #define IS_IGDG(dev) ((dev)->pci_device == 0xa001)
1831 #define IS_IGDGM(dev) ((dev)->pci_device == 0xa011)
1832 #define IS_IGD(dev) (IS_IGDG(dev) || IS_IGDGM(dev))
1833 
1834 #define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev) || \
1835 				IS_IGDNG(dev))
1836 /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
1837  * rows, which changed the alignment requirements and fence programming.
1838  */
1839 #define HAS_128_BYTE_Y_TILING(dev) (IS_I9XX(dev) && !(IS_I915G(dev) || \
1840 						      IS_I915GM(dev)))
1841 
1842 #endif /* _I915_DRV_H */
1843