xref: /titanic_50/usr/src/uts/intel/io/drm/i915_drv.h (revision 0eb090a7674ebcdcb1c35501097edeb5f2395459)
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 
249 	int tex_lru_log_granularity;
250 	int allow_batchbuffer;
251 	struct mem_block *agp_heap;
252 	unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
253 	int vblank_pipe;
254 
255 	spinlock_t error_lock;
256 	struct drm_i915_error_state *first_error;
257 
258 	struct {
259 		struct drm_mm gtt_space;
260 
261 		drm_local_map_t gtt_mapping;
262 		/**
263 		 * List of objects currently involved in rendering from the
264 		 * ringbuffer.
265 		 *
266 		 * A reference is held on the buffer while on this list.
267 		 */
268 		struct list_head active_list;
269 
270 		/**
271 		 * List of objects which are not in the ringbuffer but which
272 		 * still have a write_domain which needs to be flushed before
273 		 * unbinding.
274 		 *
275 		 * A reference is held on the buffer while on this list.
276 		 */
277 		struct list_head flushing_list;
278 
279 		/**
280 		 * LRU list of objects which are not in the ringbuffer and
281 		 * are ready to unbind, but are still in the GTT.
282 		 *
283 		 * A reference is not held on the buffer while on this list,
284 		 * as merely being GTT-bound shouldn't prevent its being
285 		 * freed, and we'll pull it off the list in the free path.
286 		 */
287 		struct list_head inactive_list;
288 
289 		/**
290 		 * List of breadcrumbs associated with GPU requests currently
291 		 * outstanding.
292 		 */
293 		struct list_head request_list;
294 
295 		uint32_t next_gem_seqno;
296 
297 		/**
298 		 * Waiting sequence number, if any
299 		 */
300 		uint32_t waiting_gem_seqno;
301 
302 		/**
303 		 * Last seq seen at irq time
304 		 */
305 		uint32_t irq_gem_seqno;
306 
307 		/**
308 		 * Flag if the X Server, and thus DRM, is not currently in
309 		 * control of the device.
310 		 *
311 		 * This is set between LeaveVT and EnterVT.  It needs to be
312 		 * replaced with a semaphore.  It also needs to be
313 		 * transitioned away from for kernel modesetting.
314 		 */
315 		int suspended;
316 
317 		/**
318 		 * Flag if the hardware appears to be wedged.
319 		 *
320 		 * This is set when attempts to idle the device timeout.
321 		 * It prevents command submission from occuring and makes
322 		 * every pending request fail
323 		 */
324 		int wedged;
325 
326 		/** Bit 6 swizzling required for X tiling */
327 		uint32_t bit_6_swizzle_x;
328 		/** Bit 6 swizzling required for Y tiling */
329 		uint32_t bit_6_swizzle_y;
330 	} mm;
331 
332 } drm_i915_private_t;
333 
334 struct drm_track {
335 	struct drm_track *next, *prev;
336 	caddr_t contain_ptr;
337 	struct drm_gem_object *obj;
338 	uint32_t name;
339 	uint64_t offset;
340 
341 };
342 
343 /** driver private structure attached to each drm_gem_object */
344 struct drm_i915_gem_object {
345 	/** This object's place on the active/flushing/inactive lists */
346 	struct list_head list;
347 
348 	struct drm_gem_object *obj;
349 
350 	/** Current space allocated to this object in the GTT, if any. */
351 	struct drm_mm_node *gtt_space;
352 
353 
354 	/**
355 	 * This is set if the object is on the active or flushing lists
356 	 * (has pending rendering), and is not set if it's on inactive (ready
357 	 * to be unbound).
358 	 */
359 	int active;
360 
361 	/**
362 	 * This is set if the object has been written to since last bound
363 	 * to the GTT
364 	 */
365 	int dirty;
366 
367 	/** AGP memory structure for our GTT binding. */
368 	int	agp_mem;
369 
370 	caddr_t *page_list;
371 
372 	pfn_t	*pfnarray;
373 	/**
374 	 * Current offset of the object in GTT space.
375 	 *
376 	 * This is the same as gtt_space->start
377 	 */
378 	uint32_t gtt_offset;
379 
380 	/** Boolean whether this object has a valid gtt offset. */
381 	int gtt_bound;
382 
383 	/** How many users have pinned this object in GTT space */
384 	int pin_count;
385 
386 	/** Breadcrumb of last rendering to the buffer. */
387 	uint32_t last_rendering_seqno;
388 
389 	/** Current tiling mode for the object. */
390 	uint32_t tiling_mode;
391 	uint32_t stride;
392 	/**
393 	 * Flagging of which individual pages are valid in GEM_DOMAIN_CPU when
394 	 * GEM_DOMAIN_CPU is not in the object's read domain.
395 	 */
396 	uint8_t *page_cpu_valid;
397 	/** User space pin count and filp owning the pin */
398 	uint32_t user_pin_count;
399 	struct drm_file *pin_filp;
400 	/**
401 	 * Used for checking the object doesn't appear more than once
402 	 * in an execbuffer object list.
403 	 */
404 	int in_execbuffer;
405 };
406 
407 /**
408  * Request queue structure.
409  *
410  * The request queue allows us to note sequence numbers that have been emitted
411  * and may be associated with active buffers to be retired.
412  *
413  * By keeping this list, we can avoid having to do questionable
414  * sequence-number comparisons on buffer last_rendering_seqnos, and associate
415  * an emission time with seqnos for tracking how far ahead of the GPU we are.
416  */
417 struct drm_i915_gem_request {
418 	struct list_head list;
419 
420 	/** GEM sequence number associated with this request. */
421 	uint32_t seqno;
422 
423 	/** Time at which this request was emitted, in jiffies. */
424 	unsigned long emitted_jiffies;
425 
426 	/** Cache domains that were flushed at the start of the request. */
427 	uint32_t flush_domains;
428 
429 };
430 
431 struct drm_i915_file_private {
432 	struct {
433 		uint32_t last_gem_seqno;
434 		uint32_t last_gem_throttle_seqno;
435 	} mm;
436 };
437 
438 
439 enum intel_chip_family {
440 	CHIP_I8XX = 0x01,
441 	CHIP_I9XX = 0x02,
442 	CHIP_I915 = 0x04,
443 	CHIP_I965 = 0x08,
444 };
445 
446 extern drm_ioctl_desc_t i915_ioctls[];
447 extern int i915_max_ioctl;
448 extern void i915_save_display(struct drm_device *dev);
449 extern void i915_restore_display(struct drm_device *dev);
450 
451 				/* i915_dma.c */
452 extern void i915_kernel_lost_context(drm_device_t * dev);
453 extern int i915_driver_load(struct drm_device *, unsigned long flags);
454 extern int i915_driver_unload(struct drm_device *dev);
455 extern int i915_driver_open(drm_device_t * dev, drm_file_t *file_priv);
456 extern void i915_driver_lastclose(drm_device_t * dev);
457 extern void i915_driver_preclose(drm_device_t * dev, drm_file_t *filp);
458 extern void i915_driver_postclose(drm_device_t * dev,
459 		    struct drm_file *file_priv);
460 extern int i915_driver_device_is_agp(drm_device_t * dev);
461 extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
462 			      unsigned long arg);
463 extern int i915_emit_box(struct drm_device *dev,
464 			struct drm_clip_rect __user *boxes,
465 			int i, int DR1, int DR4);
466 extern void i915_emit_breadcrumb(struct drm_device *dev);
467 extern void i915_emit_mi_flush(drm_device_t *dev, uint32_t flush);
468 extern void i915_handle_error(struct drm_device *dev);
469 
470 /* i915_irq.c */
471 extern int i915_irq_emit(DRM_IOCTL_ARGS);
472 extern int i915_irq_wait(DRM_IOCTL_ARGS);
473 
474 extern int i915_enable_vblank(struct drm_device *dev, int crtc);
475 extern void i915_disable_vblank(struct drm_device *dev, int crtc);
476 extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
477 extern u32 gm45_get_vblank_counter(struct drm_device *dev, int crtc);
478 extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
479 extern int i915_driver_irq_preinstall(drm_device_t * dev);
480 extern void i915_driver_irq_postinstall(drm_device_t * dev);
481 extern void i915_driver_irq_uninstall(drm_device_t * dev);
482 extern int i915_emit_irq(drm_device_t * dev);
483 extern int i915_vblank_swap(DRM_IOCTL_ARGS);
484 extern void i915_user_irq_on(drm_device_t * dev);
485 extern void i915_user_irq_off(drm_device_t * dev);
486 extern int i915_vblank_pipe_set(DRM_IOCTL_ARGS);
487 extern int i915_vblank_pipe_get(DRM_IOCTL_ARGS);
488 
489 /* i915_mem.c */
490 extern int i915_mem_alloc(DRM_IOCTL_ARGS);
491 extern int i915_mem_free(DRM_IOCTL_ARGS);
492 extern int i915_mem_init_heap(DRM_IOCTL_ARGS);
493 extern int i915_mem_destroy_heap(DRM_IOCTL_ARGS);
494 extern void i915_mem_takedown(struct mem_block **heap);
495 extern void i915_mem_release(drm_device_t * dev,
496 			     drm_file_t *filp, struct mem_block *heap);
497 extern struct mem_block **get_heap(drm_i915_private_t *, int);
498 extern struct mem_block *find_block_by_proc(struct mem_block *, drm_file_t *);
499 extern void mark_block(drm_device_t *, struct mem_block *, int);
500 extern void free_block(struct mem_block *);
501 
502 /* i915_gem.c */
503 int i915_gem_init_ioctl(DRM_IOCTL_ARGS);
504 int i915_gem_create_ioctl(DRM_IOCTL_ARGS);
505 int i915_gem_pread_ioctl(DRM_IOCTL_ARGS);
506 int i915_gem_pwrite_ioctl(DRM_IOCTL_ARGS);
507 int i915_gem_mmap_ioctl(DRM_IOCTL_ARGS);
508 int i915_gem_set_domain_ioctl(DRM_IOCTL_ARGS);
509 int i915_gem_sw_finish_ioctl(DRM_IOCTL_ARGS);
510 int i915_gem_execbuffer(DRM_IOCTL_ARGS);
511 int i915_gem_pin_ioctl(DRM_IOCTL_ARGS);
512 int i915_gem_unpin_ioctl(DRM_IOCTL_ARGS);
513 int i915_gem_busy_ioctl(DRM_IOCTL_ARGS);
514 int i915_gem_throttle_ioctl(DRM_IOCTL_ARGS);
515 int i915_gem_entervt_ioctl(DRM_IOCTL_ARGS);
516 int i915_gem_leavevt_ioctl(DRM_IOCTL_ARGS);
517 int i915_gem_set_tiling(DRM_IOCTL_ARGS);
518 int i915_gem_get_tiling(DRM_IOCTL_ARGS);
519 int i915_gem_get_aperture_ioctl(DRM_IOCTL_ARGS);
520 void i915_gem_load(struct drm_device *dev);
521 int i915_gem_init_object(struct drm_gem_object *obj);
522 void i915_gem_free_object(struct drm_gem_object *obj);
523 int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
524 void i915_gem_object_unpin(struct drm_gem_object *obj);
525 int i915_gem_object_unbind(struct drm_gem_object *obj, uint32_t type);
526 void i915_gem_lastclose(struct drm_device *dev);
527 uint32_t i915_get_gem_seqno(struct drm_device *dev);
528 void i915_gem_retire_requests(struct drm_device *dev);
529 void i915_gem_retire_work_handler(void *dev);
530 void i915_gem_clflush_object(struct drm_gem_object *obj);
531 int i915_gem_init_ringbuffer(struct drm_device *dev);
532 
533 /* i915_gem_tiling.c */
534 void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
535 
536 /* i915_gem_debug.c */
537 void i915_gem_command_decode(uint32_t *data, int count,
538 				uint32_t hw_offset, struct drm_device *dev);
539 /* i915_gem_regdump.c */
540 int i915_reg_dump_show(struct drm_device *dev, void *v);
541 #ifdef I915_HAVE_FENCE
542 /* i915_fence.c */
543 
544 
545 extern void i915_fence_handler(drm_device_t *dev);
546 extern int i915_fence_emit_sequence(drm_device_t *dev, uint32_t class,
547 				    uint32_t flags,
548 				    uint32_t *sequence,
549 				    uint32_t *native_type);
550 extern void i915_poke_flush(drm_device_t *dev, uint32_t class);
551 extern int i915_fence_has_irq(drm_device_t *dev, uint32_t class, uint32_t flags);
552 #endif
553 
554 #ifdef I915_HAVE_BUFFER
555 /* i915_buffer.c */
556 extern drm_ttm_backend_t *i915_create_ttm_backend_entry(drm_device_t *dev);
557 extern int i915_fence_types(drm_buffer_object_t *bo, uint32_t *class, uint32_t *type);
558 extern int i915_invalidate_caches(drm_device_t *dev, uint32_t buffer_flags);
559 extern int i915_init_mem_type(drm_device_t *dev, uint32_t type,
560 			       drm_mem_type_manager_t *man);
561 extern uint32_t i915_evict_mask(drm_buffer_object_t *bo);
562 extern int i915_move(drm_buffer_object_t *bo, int evict,
563 	      	int no_wait, drm_bo_mem_reg_t *new_mem);
564 
565 #endif
566 
567 #define I915_READ(reg)          DRM_READ32(dev_priv->mmio_map, (reg))
568 #define I915_WRITE(reg,val)     DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
569 #define I915_READ16(reg) 	DRM_READ16(dev_priv->mmio_map, (reg))
570 #define I915_WRITE16(reg,val)	DRM_WRITE16(dev_priv->mmio_map, (reg), (val))
571 #define	S3_READ(reg)	\
572 	*(uint32_t volatile *)((uintptr_t)s3_priv->saveAddr + (reg))
573 #define	S3_WRITE(reg, val) \
574 	*(uint32_t volatile *)((uintptr_t)s3_priv->saveAddr + (reg)) = (val)
575 
576 #define I915_VERBOSE 0
577 #define I915_RING_VALIDATE 0
578 
579 #if I915_RING_VALIDATE
580 void i915_ring_validate(struct drm_device *dev, const char *func, int line);
581 #define I915_RING_DO_VALIDATE(dev) i915_ring_validate(dev, __FUNCTION__, __LINE__)
582 #else
583 #define I915_RING_DO_VALIDATE(dev)
584 #endif
585 
586 #define RING_LOCALS	unsigned int outring, ringmask, outcount; \
587                         volatile unsigned char *virt;
588 
589 
590 #define I915_RING_VALIDATE 0
591 
592 #if I915_RING_VALIDATE
593 void i915_ring_validate(struct drm_device *dev, const char *func, int line);
594 #define I915_RING_DO_VALIDATE(dev) i915_ring_validate(dev, __FUNCTION__, __LINE__)
595 #else
596 #define I915_RING_DO_VALIDATE(dev)
597 #endif
598 
599 #if I915_VERBOSE
600 #define BEGIN_LP_RING(n) do {				\
601 	DRM_DEBUG("BEGIN_LP_RING(%d)\n", (n));		\
602 	DRM_DEBUG("dev_priv->ring.virtual_start (%lx)\n", (dev_priv->ring.virtual_start));		\
603 	I915_RING_DO_VALIDATE(dev);			\
604 	if (dev_priv->ring.space < (n)*4)			\
605 		(void) i915_wait_ring(dev, (n)*4, __FUNCTION__);		\
606 	outcount = 0;					\
607 	outring = dev_priv->ring.tail;			\
608 	ringmask = dev_priv->ring.tail_mask;		\
609 	virt = dev_priv->ring.virtual_start;		\
610 } while (*"\0")
611 #else
612 #define BEGIN_LP_RING(n) do {				\
613 	I915_RING_DO_VALIDATE(dev);			\
614 	if (dev_priv->ring.space < (n)*4)			\
615 		(void) i915_wait_ring(dev, (n)*4, __FUNCTION__);		\
616 	outcount = 0;					\
617 	outring = dev_priv->ring.tail;			\
618 	ringmask = dev_priv->ring.tail_mask;		\
619 	virt = dev_priv->ring.virtual_start;		\
620 } while (*"\0")
621 #endif
622 
623 #if I915_VERBOSE
624 #define OUT_RING(n) do {					\
625 	DRM_DEBUG("   OUT_RING %x\n", (int)(n));	\
626 	*(volatile unsigned int *)(void *)(virt + outring) = (n);		\
627         outcount++;						\
628 	outring += 4;						\
629 	outring &= ringmask;					\
630 } while (*"\0")
631 #else
632 #define OUT_RING(n) do {					\
633 	*(volatile unsigned int *)(void *)(virt + outring) = (n);		\
634         outcount++;						\
635 	outring += 4;						\
636 	outring &= ringmask;					\
637 } while (*"\0")
638 #endif
639 
640 #if I915_VERBOSE
641 #define ADVANCE_LP_RING() do {						\
642 	DRM_DEBUG("ADVANCE_LP_RING %x\n", outring);	\
643 	I915_RING_DO_VALIDATE(dev);					\
644 	dev_priv->ring.tail = outring;					\
645 	dev_priv->ring.space -= outcount * 4;				\
646 	I915_WRITE(PRB0_TAIL, outring);			\
647 } while (*"\0")
648 #else
649 #define ADVANCE_LP_RING() do {						\
650 	I915_RING_DO_VALIDATE(dev);					\
651 	dev_priv->ring.tail = outring;					\
652 	dev_priv->ring.space -= outcount * 4;				\
653 	I915_WRITE(PRB0_TAIL, outring);			\
654 } while (*"\0")
655 #endif
656 
657 extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller);
658 
659 /* Extended config space */
660 #define LBB 0xf4
661 #define GDRST 0xc0
662 #define GDRST_FULL	(0<<2)
663 #define GDRST_RENDER	(1<<2)
664 #define GDRST_MEDIA	(3<<2)
665 
666 /* VGA stuff */
667 
668 #define VGA_ST01_MDA 0x3ba
669 #define VGA_ST01_CGA 0x3da
670 
671 #define VGA_MSR_WRITE 0x3c2
672 #define VGA_MSR_READ 0x3cc
673 #define   VGA_MSR_MEM_EN (1<<1)
674 #define   VGA_MSR_CGA_MODE (1<<0)
675 
676 #define VGA_SR_INDEX 0x3c4
677 #define VGA_SR_DATA 0x3c5
678 
679 #define VGA_AR_INDEX 0x3c0
680 #define   VGA_AR_VID_EN (1<<5)
681 #define VGA_AR_DATA_WRITE 0x3c0
682 #define VGA_AR_DATA_READ 0x3c1
683 
684 #define VGA_GR_INDEX 0x3ce
685 #define VGA_GR_DATA 0x3cf
686 /* GR05 */
687 #define   VGA_GR_MEM_READ_MODE_SHIFT 3
688 #define     VGA_GR_MEM_READ_MODE_PLANE 1
689 /* GR06 */
690 #define   VGA_GR_MEM_MODE_MASK 0xc
691 #define   VGA_GR_MEM_MODE_SHIFT 2
692 #define   VGA_GR_MEM_A0000_AFFFF 0
693 #define   VGA_GR_MEM_A0000_BFFFF 1
694 #define   VGA_GR_MEM_B0000_B7FFF 2
695 #define   VGA_GR_MEM_B0000_BFFFF 3
696 
697 #define VGA_DACMASK 0x3c6
698 #define VGA_DACRX 0x3c7
699 #define VGA_DACWX 0x3c8
700 #define VGA_DACDATA 0x3c9
701 
702 #define VGA_CR_INDEX_MDA 0x3b4
703 #define VGA_CR_DATA_MDA 0x3b5
704 #define VGA_CR_INDEX_CGA 0x3d4
705 #define VGA_CR_DATA_CGA 0x3d5
706 
707 
708 #define GFX_OP_USER_INTERRUPT 		((0<<29)|(2<<23))
709 #define GFX_OP_BREAKPOINT_INTERRUPT	((0<<29)|(1<<23))
710 #define CMD_REPORT_HEAD			(7<<23)
711 #define CMD_STORE_DWORD_IDX		((0x21<<23) | 0x1)
712 #define CMD_OP_BATCH_BUFFER  ((0x0<<29)|(0x30<<23)|0x1)
713 
714 #define INST_PARSER_CLIENT   0x00000000
715 #define INST_OP_FLUSH        0x02000000
716 #define INST_FLUSH_MAP_CACHE 0x00000001
717 
718 #define MI_INSTR(opcode, flags) (((opcode) << 23) | (flags))
719 #define MI_USER_INTERRUPT       MI_INSTR(2, (0 << 29))
720 #define MI_FLUSH         (0x04 << 23)
721 #define MI_NO_WRITE_FLUSH    (1 << 2)
722 #define MI_READ_FLUSH        (1 << 0)
723 #define MI_EXE_FLUSH         (1 << 1)
724 #define MI_STORE_DWORD_INDEX   MI_INSTR(0x21, 1)
725 #define	MI_STORE_DWORD_INDEX_SHIFT 2
726 
727 #define BB1_START_ADDR_MASK   (~0x7)
728 #define BB1_PROTECTED         (1<<0)
729 #define BB1_UNPROTECTED       (0<<0)
730 #define BB2_END_ADDR_MASK     (~0x7)
731 
732 #define	I915REG_PGTBL_CTRL	0x2020
733 #define IPEIR			0x02088
734 #define HWSTAM			0x02098
735 #define IIR			0x020a4
736 #define IMR		 	0x020a8
737 #define IER			0x020a0
738 #define INSTPM	      		0x020c0
739 #define ACTHD			0x020c8
740 #define PIPEASTAT		0x70024
741 #define PIPEBSTAT		0x71024
742 #define ACTHD_I965		0x02074
743 #define HWS_PGA			0x02080
744 #define IPEIR_I965	0x02064
745 #define IPEHR_I965	0x02068
746 #define INSTDONE_I965	0x0206c
747 #define INSTPS		0x02070 /* 965+ only */
748 #define INSTDONE1	0x0207c /* 965+ only */
749 #define IPEHR		0x0208c
750 #define INSTDONE	0x02090
751 #define EIR		0x020b0
752 #define EMR		0x020b4
753 #define ESR		0x020b8
754 #define   GM45_ERROR_PAGE_TABLE				(1<<5)
755 #define   GM45_ERROR_MEM_PRIV				(1<<4)
756 #define   I915_ERROR_PAGE_TABLE				(1<<4)
757 #define   GM45_ERROR_CP_PRIV				(1<<3)
758 #define   I915_ERROR_MEMORY_REFRESH			(1<<1)
759 #define   I915_ERROR_INSTRUCTION			(1<<0)
760 
761 #define PIPE_VBLANK_INTERRUPT_ENABLE	(1UL<<17)
762 #define I915_VBLANK_CLEAR		(1UL<<1)
763 
764 #define SRX_INDEX		0x3c4
765 #define SRX_DATA		0x3c5
766 #define SR01			1
767 #define SR01_SCREEN_OFF 	(1<<5)
768 
769 #define PPCR			0x61204
770 #define PPCR_ON			(1<<0)
771 
772 #define DVOB			0x61140
773 #define DVOB_ON			(1<<31)
774 #define DVOC			0x61160
775 #define DVOC_ON			(1<<31)
776 #define LVDS			0x61180
777 #define LVDS_ON			(1<<31)
778 
779 #define ADPA			0x61100
780 #define ADPA_DPMS_MASK		(~(3<<10))
781 #define ADPA_DPMS_ON		(0<<10)
782 #define ADPA_DPMS_SUSPEND	(1<<10)
783 #define ADPA_DPMS_STANDBY	(2<<10)
784 #define ADPA_DPMS_OFF		(3<<10)
785 
786 #ifdef NOPID
787 #undef NOPID
788 #endif
789 #define NOPID                   0x2094
790 #define LP_RING     		0x2030
791 #define HP_RING     		0x2040
792 #define TAIL_ADDR		0x001FFFF8
793 #define HEAD_WRAP_COUNT     	0xFFE00000
794 #define HEAD_WRAP_ONE       	0x00200000
795 #define HEAD_ADDR           	0x001FFFFC
796 #define RING_START     		0x08
797 #define START_ADDR          	0x0xFFFFF000
798 #define RING_LEN       		0x0C
799 #define RING_NR_PAGES       	0x001FF000
800 #define RING_REPORT_MASK    	0x00000006
801 #define RING_REPORT_64K     	0x00000002
802 #define RING_REPORT_128K    	0x00000004
803 #define RING_NO_REPORT      	0x00000000
804 #define RING_VALID_MASK     	0x00000001
805 #define RING_VALID          	0x00000001
806 #define RING_INVALID        	0x00000000
807 #define PGTBL_ER		0x02024
808 #define PRB0_TAIL              0x02030
809 #define PRB0_HEAD              0x02034
810 #define PRB0_START		0x02038
811 #define PRB0_CTL               0x0203c
812 #define GFX_OP_SCISSOR         ((0x3<<29)|(0x1c<<24)|(0x10<<19))
813 #define SC_UPDATE_SCISSOR       (0x1<<1)
814 #define SC_ENABLE_MASK          (0x1<<0)
815 #define SC_ENABLE               (0x1<<0)
816 
817 #define GFX_OP_SCISSOR_INFO    ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
818 #define SCI_YMIN_MASK      (0xffff<<16)
819 #define SCI_XMIN_MASK      (0xffff<<0)
820 #define SCI_YMAX_MASK      (0xffff<<16)
821 #define SCI_XMAX_MASK      (0xffff<<0)
822 
823 #define GFX_OP_SCISSOR_ENABLE	 ((0x3<<29)|(0x1c<<24)|(0x10<<19))
824 #define GFX_OP_SCISSOR_RECT	 ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1)
825 #define GFX_OP_COLOR_FACTOR      ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
826 #define GFX_OP_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
827 #define GFX_OP_MAP_INFO          ((0x3<<29)|(0x1d<<24)|0x4)
828 #define GFX_OP_DESTBUFFER_VARS   ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
829 #define GFX_OP_DRAWRECT_INFO     ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
830 
831 #define GFX_OP_DRAWRECT_INFO_I965  ((0x7900<<16)|0x2)
832 
833 #define SRC_COPY_BLT_CMD                ((2<<29)|(0x43<<22)|4)
834 #define XY_SRC_COPY_BLT_CMD		((2<<29)|(0x53<<22)|6)
835 #define XY_SRC_COPY_BLT_WRITE_ALPHA	(1<<21)
836 #define XY_SRC_COPY_BLT_WRITE_RGB	(1<<20)
837 #define XY_SRC_COPY_BLT_SRC_TILED	(1<<15)
838 #define XY_SRC_COPY_BLT_DST_TILED	(1<<11)
839 
840 #define MI_BATCH_BUFFER 	((0x30<<23)|1)
841 #define MI_BATCH_BUFFER_START 	(0x31<<23)
842 #define MI_BATCH_BUFFER_END 	(0xA<<23)
843 #define MI_BATCH_NON_SECURE	(1)
844 
845 #define MI_BATCH_NON_SECURE_I965 (1<<8)
846 
847 #define MI_WAIT_FOR_EVENT       ((0x3<<23))
848 #define MI_WAIT_FOR_PLANE_B_FLIP      (1<<6)
849 #define MI_WAIT_FOR_PLANE_A_FLIP      (1<<2)
850 #define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1)
851 
852 #define MI_LOAD_SCAN_LINES_INCL  ((0x12<<23))
853 
854 #define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2)
855 #define ASYNC_FLIP                (1<<22)
856 #define DISPLAY_PLANE_A           (0<<20)
857 #define DISPLAY_PLANE_B           (1<<20)
858 
859 #define CMD_OP_DESTBUFFER_INFO	 ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
860 
861 /**
862  * Reads a dword out of the status page, which is written to from the command
863  * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or
864  * MI_STORE_DATA_IMM.
865  *
866  * The following dwords have a reserved meaning:
867  * 0x00: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
868  * 0x04: ring 0 head pointer
869  * 0x05: ring 1 head pointer (915-class)
870  * 0x06: ring 2 head pointer (915-class)
871  * 0x10-0x1b: Context status DWords (GM45)
872  * 0x1f: Last written status offset. (GM45)
873  *
874  * The area from dword 0x20 to 0x3ff is available for driver usage.
875  */
876 #define READ_HWSP(dev_priv, reg)  (((volatile u32*)(dev_priv->hw_status_page))[reg])
877 #define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX)
878 #define I915_GEM_HWS_INDEX		0x20
879 #define I915_BREADCRUMB_INDEX		0x21
880 
881 /*
882  * add here for S3 support
883  */
884 #define DPLL_A          0x06014
885 #define DPLL_B          0x06018
886 # define DPLL_VCO_ENABLE                        0x80000000 /* (1 << 31) */
887 # define DPLL_DVO_HIGH_SPEED                    (1 << 30)
888 # define DPLL_SYNCLOCK_ENABLE                   (1 << 29)
889 # define DPLL_VGA_MODE_DIS                      (1 << 28)
890 # define DPLLB_MODE_DAC_SERIAL                  (1 << 26) /* i915 */
891 # define DPLLB_MODE_LVDS                        (2 << 26) /* i915 */
892 # define DPLL_MODE_MASK                         (3 << 26)
893 # define DPLL_DAC_SERIAL_P2_CLOCK_DIV_10        (0 << 24) /* i915 */
894 # define DPLL_DAC_SERIAL_P2_CLOCK_DIV_5         (1 << 24) /* i915 */
895 # define DPLLB_LVDS_P2_CLOCK_DIV_14             (0 << 24) /* i915 */
896 # define DPLLB_LVDS_P2_CLOCK_DIV_7              (1 << 24) /* i915 */
897 # define DPLL_P2_CLOCK_DIV_MASK                 0x03000000 /* i915 */
898 # define DPLL_FPA01_P1_POST_DIV_MASK            0x00ff0000 /* i915 */
899 
900 /**
901  *  The i830 generation, in DAC/serial mode, defines p1 as two plus this
902  * bitfield, or just 2 if PLL_P1_DIVIDE_BY_TWO is set.
903  */
904 # define DPLL_FPA01_P1_POST_DIV_MASK_I830       0x001f0000
905 /**
906  * The i830 generation, in LVDS mode, defines P1 as the bit number set within
907  * this field (only one bit may be set).
908  */
909 # define DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS  0x003f0000
910 # define DPLL_FPA01_P1_POST_DIV_SHIFT           16
911 # define PLL_P2_DIVIDE_BY_4                     (1 << 23) /* i830, required in DVO non-gang */
912 # define PLL_P1_DIVIDE_BY_TWO                   (1 << 21) /* i830 */
913 # define PLL_REF_INPUT_DREFCLK                  (0 << 13)
914 # define PLL_REF_INPUT_TVCLKINA                 (1 << 13) /* i830 */
915 # define PLL_REF_INPUT_TVCLKINBC                (2 << 13) /* SDVO TVCLKIN */
916 # define PLLB_REF_INPUT_SPREADSPECTRUMIN        (3 << 13)
917 # define PLL_REF_INPUT_MASK                     (3 << 13)
918 # define PLL_LOAD_PULSE_PHASE_SHIFT             9
919 /*
920  * Parallel to Serial Load Pulse phase selection.
921  * Selects the phase for the 10X DPLL clock for the PCIe
922  * digital display port. The range is 4 to 13; 10 or more
923  * is just a flip delay. The default is 6
924  */
925 # define PLL_LOAD_PULSE_PHASE_MASK              (0xf << PLL_LOAD_PULSE_PHASE_SHIFT)
926 # define DISPLAY_RATE_SELECT_FPA1               (1 << 8)
927 
928 /**
929  * SDVO multiplier for 945G/GM. Not used on 965.
930  *
931  * \sa DPLL_MD_UDI_MULTIPLIER_MASK
932  */
933 # define SDVO_MULTIPLIER_MASK                   0x000000ff
934 # define SDVO_MULTIPLIER_SHIFT_HIRES            4
935 # define SDVO_MULTIPLIER_SHIFT_VGA              0
936 
937 /** @defgroup DPLL_MD
938  * @{
939  */
940 /** Pipe A SDVO/UDI clock multiplier/divider register for G965. */
941 #define DPLL_A_MD               0x0601c
942 /** Pipe B SDVO/UDI clock multiplier/divider register for G965. */
943 #define DPLL_B_MD               0x06020
944 /**
945  * UDI pixel divider, controlling how many pixels are stuffed into a packet.
946  *
947  * Value is pixels minus 1.  Must be set to 1 pixel for SDVO.
948  */
949 # define DPLL_MD_UDI_DIVIDER_MASK               0x3f000000
950 # define DPLL_MD_UDI_DIVIDER_SHIFT              24
951 /** UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */
952 # define DPLL_MD_VGA_UDI_DIVIDER_MASK           0x003f0000
953 # define DPLL_MD_VGA_UDI_DIVIDER_SHIFT          16
954 /**
955  * SDVO/UDI pixel multiplier.
956  *
957  * SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus
958  * clock rate is 10 times the DPLL clock.  At low resolution/refresh rate
959  * modes, the bus rate would be below the limits, so SDVO allows for stuffing
960  * dummy bytes in the datastream at an increased clock rate, with both sides of
961  * the link knowing how many bytes are fill.
962  *
963  * So, for a mode with a dotclock of 65Mhz, we would want to double the clock
964  * rate to 130Mhz to get a bus rate of 1.30Ghz.  The DPLL clock rate would be
965  * set to 130Mhz, and the SDVO multiplier set to 2x in this register and
966  * through an SDVO command.
967  *
968  * This register field has values of multiplication factor minus 1, with
969  * a maximum multiplier of 5 for SDVO.
970  */
971 # define DPLL_MD_UDI_MULTIPLIER_MASK            0x00003f00
972 # define DPLL_MD_UDI_MULTIPLIER_SHIFT           8
973 /** SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK.
974  * This best be set to the default value (3) or the CRT won't work. No,
975  * I don't entirely understand what this does...
976  */
977 # define DPLL_MD_VGA_UDI_MULTIPLIER_MASK        0x0000003f
978 # define DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT       0
979 /** @} */
980 
981 #define DPLL_TEST               0x606c
982 # define DPLLB_TEST_SDVO_DIV_1                  (0 << 22)
983 # define DPLLB_TEST_SDVO_DIV_2                  (1 << 22)
984 # define DPLLB_TEST_SDVO_DIV_4                  (2 << 22)
985 # define DPLLB_TEST_SDVO_DIV_MASK               (3 << 22)
986 # define DPLLB_TEST_N_BYPASS                    (1 << 19)
987 # define DPLLB_TEST_M_BYPASS                    (1 << 18)
988 # define DPLLB_INPUT_BUFFER_ENABLE              (1 << 16)
989 # define DPLLA_TEST_N_BYPASS                    (1 << 3)
990 # define DPLLA_TEST_M_BYPASS                    (1 << 2)
991 # define DPLLA_INPUT_BUFFER_ENABLE              (1 << 0)
992 
993 /*
994  * Palette registers
995  */
996 #define PALETTE_A               0x0a000
997 #define PALETTE_B               0x0a800
998 
999 /* MCH MMIO space */
1000 
1001 /*
1002  * MCHBAR mirror.
1003  *
1004  * This mirrors the MCHBAR MMIO space whose location is determined by
1005  * device 0 function 0's pci config register 0x44 or 0x48 and matches it in
1006  * every way.  It is not accessible from the CP register read instructions.
1007  *
1008  */
1009 #define MCHBAR_MIRROR_BASE	0x10000
1010 
1011 /** 915-945 and GM965 MCH register controlling DRAM channel access */
1012 #define DCC			0x10200
1013 #define DCC_ADDRESSING_MODE_SINGLE_CHANNEL		(0 << 0)
1014 #define DCC_ADDRESSING_MODE_DUAL_CHANNEL_ASYMMETRIC	(1 << 0)
1015 #define DCC_ADDRESSING_MODE_DUAL_CHANNEL_INTERLEAVED	(2 << 0)
1016 #define DCC_ADDRESSING_MODE_MASK			(3 << 0)
1017 #define DCC_CHANNEL_XOR_DISABLE				(1 << 10)
1018 #define DCC_CHANNEL_XOR_BIT_17				(1 << 9)
1019 
1020 /** 965 MCH register controlling DRAM channel configuration */
1021 #define C0DRB3			0x10206
1022 #define C1DRB3			0x10606
1023 
1024 /** GM965 GM45 render standby register */
1025 #define MCHBAR_RENDER_STANDBY	0x111B8
1026 
1027 #define FPA0            0x06040
1028 #define FPA1            0x06044
1029 #define FPB0            0x06048
1030 #define FPB1            0x0604c
1031 
1032 #define D_STATE         0x6104
1033 #define CG_2D_DIS       0x6200
1034 #define CG_3D_DIS       0x6204
1035 
1036 #define MI_ARB_STATE    0x20e4
1037 
1038 /*
1039  * Cache mode 0 reg.
1040  *  - Manipulating render cache behaviour is central
1041  *    to the concept of zone rendering, tuning this reg can help avoid
1042  *    unnecessary render cache reads and even writes (for z/stencil)
1043  *    at beginning and end of scene.
1044  *
1045  * - To change a bit, write to this reg with a mask bit set and the
1046  * bit of interest either set or cleared.  EG: (BIT<<16) | BIT to set.
1047  */
1048 #define CACHE_MODE_0   0x2120
1049 
1050 /* I830 CRTC registers */
1051 #define HTOTAL_A        0x60000
1052 #define HBLANK_A        0x60004
1053 #define HSYNC_A         0x60008
1054 #define VTOTAL_A        0x6000c
1055 #define VBLANK_A        0x60010
1056 #define VSYNC_A         0x60014
1057 #define PIPEASRC        0x6001c
1058 #define BCLRPAT_A       0x60020
1059 #define VSYNCSHIFT_A    0x60028
1060 
1061 #define HTOTAL_B        0x61000
1062 #define HBLANK_B        0x61004
1063 #define HSYNC_B         0x61008
1064 #define VTOTAL_B        0x6100c
1065 #define VBLANK_B        0x61010
1066 #define VSYNC_B         0x61014
1067 #define PIPEBSRC        0x6101c
1068 #define BCLRPAT_B       0x61020
1069 #define VSYNCSHIFT_B    0x61028
1070 
1071 #define DSPACNTR                0x70180
1072 #define DSPBCNTR                0x71180
1073 #define DISPLAY_PLANE_ENABLE                    (1<<31)
1074 #define DISPLAY_PLANE_DISABLE                   0
1075 #define DISPPLANE_GAMMA_ENABLE                  (1<<30)
1076 #define DISPPLANE_GAMMA_DISABLE                 0
1077 #define DISPPLANE_PIXFORMAT_MASK                (0xf<<26)
1078 #define DISPPLANE_8BPP                          (0x2<<26)
1079 #define DISPPLANE_15_16BPP                      (0x4<<26)
1080 #define DISPPLANE_16BPP                         (0x5<<26)
1081 #define DISPPLANE_32BPP_NO_ALPHA                (0x6<<26)
1082 #define DISPPLANE_32BPP                         (0x7<<26)
1083 #define DISPPLANE_STEREO_ENABLE                 (1<<25)
1084 #define DISPPLANE_STEREO_DISABLE                0
1085 #define DISPPLANE_SEL_PIPE_MASK                 (1<<24)
1086 #define DISPPLANE_SEL_PIPE_A                    0
1087 #define DISPPLANE_SEL_PIPE_B                    (1<<24)
1088 #define DISPPLANE_SRC_KEY_ENABLE                (1<<22)
1089 #define DISPPLANE_SRC_KEY_DISABLE               0
1090 #define DISPPLANE_LINE_DOUBLE                   (1<<20)
1091 #define DISPPLANE_NO_LINE_DOUBLE                0
1092 #define DISPPLANE_STEREO_POLARITY_FIRST         0
1093 #define DISPPLANE_STEREO_POLARITY_SECOND        (1<<18)
1094 /* plane B only */
1095 #define DISPPLANE_ALPHA_TRANS_ENABLE            (1<<15)
1096 #define DISPPLANE_ALPHA_TRANS_DISABLE           0
1097 #define DISPPLANE_SPRITE_ABOVE_DISPLAYA         0
1098 #define DISPPLANE_SPRITE_ABOVE_OVERLAY          (1)
1099 
1100 #define DSPABASE                0x70184
1101 #define DSPASTRIDE              0x70188
1102 
1103 #define DSPBBASE                0x71184
1104 #define DSPBADDR                DSPBBASE
1105 #define DSPBSTRIDE              0x71188
1106 
1107 #define DSPAKEYVAL              0x70194
1108 #define DSPAKEYMASK             0x70198
1109 
1110 #define DSPAPOS                 0x7018C /* reserved */
1111 #define DSPASIZE                0x70190
1112 #define DSPBPOS                 0x7118C
1113 #define DSPBSIZE                0x71190
1114 
1115 #define DSPASURF                0x7019C
1116 #define DSPATILEOFF             0x701A4
1117 
1118 #define DSPBSURF                0x7119C
1119 #define DSPBTILEOFF             0x711A4
1120 
1121 #define PIPEACONF 0x70008
1122 #define PIPEACONF_ENABLE        (1UL<<31)
1123 #define PIPEACONF_DISABLE       0
1124 #define PIPEACONF_DOUBLE_WIDE   (1<<30)
1125 #define I965_PIPECONF_ACTIVE    (1<<30)
1126 #define PIPEACONF_SINGLE_WIDE   0
1127 #define PIPEACONF_PIPE_UNLOCKED 0
1128 #define PIPEACONF_PIPE_LOCKED   (1<<25)
1129 #define PIPEACONF_PALETTE       0
1130 #define PIPEACONF_GAMMA         (1<<24)
1131 #define PIPECONF_FORCE_BORDER   (1<<25)
1132 #define PIPECONF_PROGRESSIVE    (0 << 21)
1133 #define PIPECONF_INTERLACE_W_FIELD_INDICATION   (6 << 21)
1134 #define PIPECONF_INTERLACE_FIELD_0_ONLY         (7 << 21)
1135 
1136 #define PIPEBCONF 0x71008
1137 #define PIPEBCONF_ENABLE        (1UL<<31)
1138 #define PIPEBCONF_DISABLE       0
1139 #define PIPEBCONF_DOUBLE_WIDE   (1<<30)
1140 #define PIPEBCONF_DISABLE       0
1141 #define PIPEBCONF_GAMMA         (1<<24)
1142 #define PIPEBCONF_PALETTE       0
1143 
1144 #define BLC_PWM_CTL             0x61254
1145 #define BACKLIGHT_MODULATION_FREQ_SHIFT         (17)
1146 
1147 #define BLC_PWM_CTL2            0x61250
1148 
1149 #define PFIT_CONTROL    0x61230
1150 #define PFIT_PGM_RATIOS 0x61234
1151 
1152 /**
1153  * Indicates that all dependencies of the panel are on:
1154  *
1155  * - PLL enabled
1156  * - pipe enabled
1157  * - LVDS/DVOB/DVOC on
1158  */
1159 #define PP_READY                               (1 << 30)
1160 #define PP_SEQUENCE_NONE                       (0 << 28)
1161 #define PP_SEQUENCE_ON                         (1 << 28)
1162 #define PP_SEQUENCE_OFF                        (2 << 28)
1163 #define PP_SEQUENCE_MASK                       0x30000000
1164 #define PP_CONTROL      0x61204
1165 #define POWER_TARGET_ON                        (1 << 0)
1166 
1167 #define LVDSPP_ON       0x61208
1168 #define LVDSPP_OFF      0x6120c
1169 #define PP_CYCLE        0x61210
1170 
1171 /* Framebuffer compression */
1172 #define FBC_CFB_BASE            0x03200 /* 4k page aligned */
1173 #define FBC_LL_BASE             0x03204 /* 4k page aligned */
1174 #define FBC_CONTROL             0x03208
1175 
1176 #define VGACNTRL                0x71400
1177 
1178 #define VCLK_DIVISOR_VGA0   0x6000
1179 #define VCLK_DIVISOR_VGA1   0x6004
1180 #define VCLK_POST_DIV       0x6010
1181 
1182 /* Framebuffer compression */
1183 #define FBC_CFB_BASE            0x03200 /* 4k page aligned */
1184 #define FBC_LL_BASE             0x03204 /* 4k page aligned */
1185 #define FBC_CONTROL             0x03208
1186 #define   FBC_CTL_EN            (1<<31)
1187 #define   FBC_CTL_PERIODIC      (1<<30)
1188 #define   FBC_CTL_INTERVAL_SHIFT (16)
1189 #define   FBC_CTL_UNCOMPRESSIBLE (1<<14)
1190 #define   FBC_CTL_STRIDE_SHIFT  (5)
1191 #define   FBC_CTL_FENCENO       (1<<0)
1192 #define	FBC_COMMAND             0x0320c
1193 #define   FBC_CMD_COMPRESS      (1<<0)
1194 #define FBC_STATUS              0x03210
1195 #define   FBC_STAT_COMPRESSING  (1<<31)
1196 #define   FBC_STAT_COMPRESSED   (1<<30)
1197 #define   FBC_STAT_MODIFIED     (1<<29)
1198 #define   FBC_STAT_CURRENT_LINE (1<<0)
1199 #define FBC_CONTROL2            0x03214
1200 #define   FBC_CTL_FENCE_DBL     (0<<4)
1201 #define   FBC_CTL_IDLE_IMM      (0<<2)
1202 #define   FBC_CTL_IDLE_FULL     (1<<2)
1203 #define   FBC_CTL_IDLE_LINE     (2<<2)
1204 #define   FBC_CTL_IDLE_DEBUG    (3<<2)
1205 #define   FBC_CTL_CPU_FENCE     (1<<1)
1206 #define   FBC_CTL_PLANEA        (0<<0)
1207 #define   FBC_CTL_PLANEB        (1<<0)
1208 #define FBC_FENCE_OFF           0x0321b
1209 
1210 #define FBC_LL_SIZE             (1536)
1211 #define FBC_LL_PAD              (32)
1212 
1213 #define	DSPARB                  0x70030
1214 
1215 #define PIPEAFRAMEHIGH          0x70040
1216 #define PIPEBFRAMEHIGH		0x71040
1217 #define PIPE_FRAME_HIGH_MASK    0x0000ffff
1218 #define PIPE_FRAME_HIGH_SHIFT   0
1219 #define PIPEAFRAMEPIXEL         0x70044
1220 #define PIPEBFRAMEPIXEL		0x71044
1221 
1222 #define PIPE_FRAME_LOW_MASK     0xff000000
1223 #define PIPE_FRAME_LOW_SHIFT    24
1224 
1225 /* Interrupt bits:
1226  */
1227 #define I915_PIPE_CONTROL_NOTIFY_INTERRUPT		(1<<18)
1228 #define I915_DISPLAY_PORT_INTERRUPT			(1<<17)
1229 #define I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT	(1<<15)
1230 #define I915_GMCH_THERMAL_SENSOR_EVENT_INTERRUPT	(1<<14)
1231 #define I915_HWB_OOM_INTERRUPT				(1<<13) /* binner out of memory */
1232 #define I915_SYNC_STATUS_INTERRUPT			(1<<12)
1233 #define I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT	(1<<11)
1234 #define I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT	(1<<10)
1235 #define I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT	(1<<9)
1236 #define I915_DISPLAY_PLANE_C_FLIP_PENDING_INTERRUPT	(1<<8)
1237 #define I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT		(1<<7)
1238 #define I915_DISPLAY_PIPE_A_EVENT_INTERRUPT		(1<<6)
1239 #define I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT		(1<<5)
1240 #define I915_DISPLAY_PIPE_B_EVENT_INTERRUPT		(1<<4)
1241 #define I915_DEBUG_INTERRUPT				(1<<2)
1242 #define I915_USER_INTERRUPT				(1<<1)
1243 #define	I915_ASLE_INTERRUPT				(1<<0)
1244 
1245 #define I915_FIFO_UNDERRUN_STATUS		(1UL<<31)
1246 #define I915_CRC_ERROR_ENABLE			(1UL<<29)
1247 #define I915_CRC_DONE_ENABLE			(1UL<<28)
1248 #define I915_GMBUS_EVENT_ENABLE			(1UL<<27)
1249 #define I915_VSYNC_INTERRUPT_ENABLE		(1UL<<25)
1250 #define I915_DISPLAY_LINE_COMPARE_ENABLE	(1UL<<24)
1251 #define I915_DPST_EVENT_ENABLE			(1UL<<23)
1252 #define I915_LEGACY_BLC_EVENT_ENABLE		(1UL<<22)
1253 #define I915_ODD_FIELD_INTERRUPT_ENABLE		(1UL<<21)
1254 #define I915_EVEN_FIELD_INTERRUPT_ENABLE	(1UL<<20)
1255 #define PIPE_START_VBLANK_INTERRUPT_ENABLE	(1UL<<18)	/* 965 or later */
1256 #define I915_VBLANK_INTERRUPT_ENABLE		(1UL<<17)
1257 #define I915_OVERLAY_UPDATED_ENABLE		(1UL<<16)
1258 #define I915_CRC_ERROR_INTERRUPT_STATUS		(1UL<<13)
1259 #define I915_CRC_DONE_INTERRUPT_STATUS		(1UL<<12)
1260 #define I915_GMBUS_INTERRUPT_STATUS		(1UL<<11)
1261 #define I915_VSYNC_INTERRUPT_STATUS		(1UL<<9)
1262 #define I915_DISPLAY_LINE_COMPARE_STATUS	(1UL<<8)
1263 #define I915_DPST_EVENT_STATUS			(1UL<<7)
1264 #define I915_LEGACY_BLC_EVENT_STATUS		(1UL<<6)
1265 #define I915_ODD_FIELD_INTERRUPT_STATUS		(1UL<<5)
1266 #define I915_EVEN_FIELD_INTERRUPT_STATUS	(1UL<<4)
1267 #define PIPE_START_VBLANK_INTERRUPT_STATUS	(1UL<<2)	/* 965 or later */
1268 #define PIPE_VBLANK_INTERRUPT_STATUS		(1UL<<1)
1269 #define I915_OVERLAY_UPDATED_STATUS		(1UL<<0)
1270 
1271 /* GM45+ just has to be different */
1272 #define PIPEA_FRMCOUNT_GM45    0x70040
1273 #define PIPEA_FLIPCOUNT_GM45   0x70044
1274 #define PIPEB_FRMCOUNT_GM45    0x71040
1275 #define PIPEB_FLIPCOUNT_GM45   0x71044
1276 
1277 /*
1278  * Some BIOS scratch area registers.  The 845 (and 830?) store the amount
1279  * of video memory available to the BIOS in SWF1.
1280  */
1281 
1282 #define SWF0                    0x71410
1283 
1284 /*
1285  * 855 scratch registers.
1286  */
1287 #define SWF10                   0x70410
1288 
1289 #define SWF30                   0x72414
1290 
1291 #define	PCI_DEVICE_ID_INTEL_82830_CGC 0x3577
1292 #define PCI_DEVICE_ID_INTEL_82845G_IG   0x2562
1293 #define PCI_DEVICE_ID_INTEL_82855GM_IG  0x3582
1294 #define PCI_DEVICE_ID_INTEL_82865_IG    0x2572
1295 #define PCI_DEVICE_ID_INTEL_82915G_IG   0x2582
1296 #define PCI_DEVICE_ID_INTEL_82915GM_IG  0x2592
1297 #define PCI_DEVICE_ID_INTEL_82945G_IG   0x2772
1298 #define PCI_DEVICE_ID_INTEL_82945GM_IG  0x27A2
1299 #define PCI_DEVICE_ID_INTEL_82945GME_IG 0x27AE
1300 #define	PCI_DEVICE_ID_INTEL_82946_GZ	0x2972
1301 #define	PCI_DEVICE_ID_INTEL_82G35_IG	0x2982
1302 #define	PCI_DEVICE_ID_INTEL_82Q963_IG	0x2992
1303 #define	PCI_DEVICE_ID_INTEL_82G965_IG	0x29a2
1304 #define	PCI_DEVICE_ID_INTEL_GM965_IG	0x2a02
1305 #define	PCI_DEVICE_ID_INTEL_GME965_IG	0x2a12
1306 #define	PCI_DEVICE_ID_INTEL_82G33_IG	0x29c2
1307 #define	PCI_DEVICE_ID_INTEL_82Q35_IG	0x29b2
1308 #define	PCI_DEVICE_ID_INTEL_82Q33_IG	0x29d2
1309 #define	PCI_DEVICE_ID_INTEL_CANTIGA_IG	0x2a42
1310 #define	PCI_DEVICE_ID_INTEL_EL_IG	0x2e02
1311 #define	PCI_DEVICE_ID_INTEL_82Q45_IG	0x2e12
1312 #define	PCI_DEVICE_ID_INTEL_82G45_IG	0x2e22
1313 #define	PCI_DEVICE_ID_INTEL_82G41_IG	0x2e32
1314 #define	PCI_DEVICE_ID_INTEL_82B43_IG	0x2e42
1315 
1316 
1317 #define IS_I830(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82830_CGC)
1318 #define IS_845G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82845G_IG)
1319 #define IS_I85X(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82855GM_IG)
1320 #define IS_I855(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82855GM_IG)
1321 #define IS_I865G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82865_IG)
1322 
1323 #define IS_I915G(dev) (dev->pci_device == PCI_DEVICE_ID_INTEL_82915G_IG)
1324 #define IS_I915GM(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82915GM_IG)
1325 #define IS_I945G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82945G_IG)
1326 #define IS_I945GM(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82945GM_IG || \
1327                         (dev)->pci_device == PCI_DEVICE_ID_INTEL_82945GME_IG)
1328 
1329 #define IS_I965G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82946_GZ || \
1330                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G35_IG || \
1331                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q963_IG || \
1332                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G965_IG || \
1333                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_GM965_IG || \
1334                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_GME965_IG || \
1335                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_CANTIGA_IG || \
1336                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_EL_IG || \
1337                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q45_IG || \
1338                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G45_IG || \
1339 			(dev)->pci_device == PCI_DEVICE_ID_INTEL_82B43_IG || \
1340 			(dev)->pci_device == PCI_DEVICE_ID_INTEL_82G41_IG)
1341 
1342 #define IS_I965GM(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_GM965_IG)
1343 
1344 #define IS_GM45(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_CANTIGA_IG)
1345 
1346 #define IS_G4X(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_EL_IG || \
1347                      (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q45_IG || \
1348                      (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G45_IG || \
1349                      (dev)->pci_device == PCI_DEVICE_ID_INTEL_82B43_IG || \
1350                      (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G41_IG)
1351 
1352 #define IS_G33(dev)    ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82G33_IG ||  \
1353                         (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q35_IG || \
1354                         (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q33_IG)
1355 
1356 #define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \
1357                       IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev))
1358 
1359 #define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
1360                         IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev))
1361 
1362 #define IS_IGDG(dev) ((dev)->pci_device == 0xa001)
1363 #define IS_IGDGM(dev) ((dev)->pci_device == 0xa011)
1364 #define IS_IGD(dev) (IS_IGDG(dev) || IS_IGDGM(dev))
1365 
1366 #define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev))
1367 /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
1368  * rows, which changed the alignment requirements and fence programming.
1369  */
1370 #define HAS_128_BYTE_Y_TILING(dev) (IS_I9XX(dev) && !(IS_I915G(dev) || \
1371 						      IS_I915GM(dev)))
1372 
1373 #endif /* _I915_DRV_H */
1374