xref: /titanic_44/usr/src/uts/intel/io/drm/i915_drv.h (revision 2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1f)
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  * All Rights Reserved.
9  *
10  * Permission is hereby granted, free of charge, to any person obtaining a
11  * copy of this software and associated documentation files (the
12  * "Software"), to deal in the Software without restriction, including
13  * without limitation the rights to use, copy, modify, merge, publish,
14  * distribute, sub license, and/or sell copies of the Software, and to
15  * permit persons to whom the Software is furnished to do so, subject to
16  * the following conditions:
17  *
18  * The above copyright notice and this permission notice (including the
19  * next paragraph) shall be included in all copies or substantial portions
20  * of the Software.
21  *
22  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
23  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
25  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
26  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
27  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
28  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29  *
30  */
31 
32 /*
33  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
34  * Use is subject to license terms.
35  */
36 
37 #ifndef _I915_DRV_H
38 #define _I915_DRV_H
39 
40 /* General customization:
41  */
42 
43 #define DRIVER_AUTHOR		"Tungsten Graphics, Inc."
44 
45 #define DRIVER_NAME		"i915"
46 #define DRIVER_DESC		"Intel Graphics"
47 #define DRIVER_DATE		"20060929"
48 
49 #if defined(__SVR4) && defined(__sun)
50 #define spinlock_t kmutex_t
51 #endif
52 
53 /* Interface history:
54  *
55  * 1.1: Original.
56  * 1.2: Add Power Management
57  * 1.3: Add vblank support
58  * 1.4: Fix cmdbuffer path, add heap destroy
59  */
60 #define DRIVER_MAJOR		1
61 #define DRIVER_MINOR		4
62 #define DRIVER_PATCHLEVEL	0
63 
64 #if defined(__linux__)
65 #define I915_HAVE_FENCE
66 #define I915_HAVE_BUFFER
67 #endif
68 
69 typedef struct _drm_i915_ring_buffer {
70 	int tail_mask;
71 	unsigned long Start;
72 	unsigned long End;
73 	unsigned long Size;
74 	u8 *virtual_start;
75 	int head;
76 	int tail;
77 	int space;
78 	drm_local_map_t map;
79 } drm_i915_ring_buffer_t;
80 
81 struct mem_block {
82 	struct mem_block *next;
83 	struct mem_block *prev;
84 	int start;
85 	int size;
86 	drm_file_t *filp;		/* 0: free, -1: heap, other: real files */
87 };
88 
89 typedef struct _drm_i915_vbl_swap {
90 	struct list_head head;
91 	drm_drawable_t drw_id;
92 	unsigned int pipe;
93 	unsigned int sequence;
94 } drm_i915_vbl_swap_t;
95 
96 typedef struct s3_i915_private {
97 	ddi_acc_handle_t saveHandle;
98 	caddr_t saveAddr;
99 	uint32_t pgtbl_ctl;
100 	uint8_t saveLBB;
101 	uint32_t saveDSPACNTR;
102 	uint32_t saveDSPBCNTR;
103 	uint32_t saveDSPARB;
104 	uint32_t savePIPEACONF;
105 	uint32_t savePIPEBCONF;
106 	uint32_t savePIPEASRC;
107 	uint32_t savePIPEBSRC;
108 	uint32_t saveFPA0;
109 	uint32_t saveFPA1;
110 	uint32_t saveDPLL_A;
111 	uint32_t saveDPLL_A_MD;
112 	uint32_t saveHTOTAL_A;
113 	uint32_t saveHBLANK_A;
114 	uint32_t saveHSYNC_A;
115 	uint32_t saveVTOTAL_A;
116 	uint32_t saveVBLANK_A;
117 	uint32_t saveVSYNC_A;
118 	uint32_t saveBCLRPAT_A;
119 	uint32_t saveDSPASTRIDE;
120 	uint32_t saveDSPASIZE;
121 	uint32_t saveDSPAPOS;
122 	uint32_t saveDSPABASE;
123 	uint32_t saveDSPASURF;
124 	uint32_t saveDSPATILEOFF;
125 	uint32_t savePFIT_PGM_RATIOS;
126 	uint32_t saveBLC_PWM_CTL;
127 	uint32_t saveBLC_PWM_CTL2;
128 	uint32_t saveFPB0;
129 	uint32_t saveFPB1;
130 	uint32_t saveDPLL_B;
131 	uint32_t saveDPLL_B_MD;
132 	uint32_t saveHTOTAL_B;
133 	uint32_t saveHBLANK_B;
134 	uint32_t saveHSYNC_B;
135 	uint32_t saveVTOTAL_B;
136 	uint32_t saveVBLANK_B;
137 	uint32_t saveVSYNC_B;
138 	uint32_t saveBCLRPAT_B;
139  	uint32_t saveDSPBSTRIDE;
140 	uint32_t saveDSPBSIZE;
141 	uint32_t saveDSPBPOS;
142 	uint32_t saveDSPBBASE;
143 	uint32_t saveDSPBSURF;
144 	uint32_t saveDSPBTILEOFF;
145 	uint32_t saveVCLK_DIVISOR_VGA0;
146 	uint32_t saveVCLK_DIVISOR_VGA1;
147 	uint32_t saveVCLK_POST_DIV;
148 	uint32_t saveVGACNTRL;
149 	uint32_t saveADPA;
150 	uint32_t saveLVDS;
151 	uint32_t saveLVDSPP_ON;
152 	uint32_t saveLVDSPP_OFF;
153 	uint32_t saveDVOA;
154 	uint32_t saveDVOB;
155 	uint32_t saveDVOC;
156 	uint32_t savePP_ON;
157 	uint32_t savePP_OFF;
158 	uint32_t savePP_CONTROL;
159 	uint32_t savePP_CYCLE;
160 	uint32_t savePFIT_CONTROL;
161 	uint32_t save_palette_a[256];
162 	uint32_t save_palette_b[256];
163 	uint32_t saveFBC_CFB_BASE;
164 	uint32_t saveFBC_LL_BASE;
165 	uint32_t saveFBC_CONTROL;
166 	uint32_t saveFBC_CONTROL2;
167 	uint32_t saveIER;
168 	uint32_t saveIIR;
169 	uint32_t saveIMR;
170 	uint32_t saveD_STATE;
171 	uint32_t saveCG_2D_DIS;
172 	uint32_t saveMI_ARB_STATE;
173 	uint32_t savePIPEASTAT;
174 	uint32_t savePIPEBSTAT;
175 	uint32_t saveCACHE_MODE_0;
176 	uint32_t saveSWF0[16];
177 	uint32_t saveSWF1[16];
178 	uint32_t saveSWF2[3];
179 	uint8_t saveMSR;
180 	uint8_t saveSR[8];
181 	uint8_t saveGR[25];
182 	uint8_t saveAR_INDEX;
183 	uint8_t saveAR[21];
184 	uint8_t saveDACMASK;
185 	uint8_t saveDACDATA[256*3]; /* 256 3-byte colors */
186 	uint8_t saveCR[37];
187 } s3_i915_private_t;
188 
189 typedef struct drm_i915_private {
190 	drm_local_map_t *sarea;
191 	drm_local_map_t *mmio_map;
192 
193 	drm_i915_sarea_t *sarea_priv;
194 	drm_i915_ring_buffer_t ring;
195 
196  	drm_dma_handle_t *status_page_dmah;
197 	void *hw_status_page;
198 	dma_addr_t dma_status_page;
199 	uint32_t counter;
200 	unsigned int status_gfx_addr;
201 	drm_local_map_t hws_map;
202 
203 	unsigned int cpp;
204 	int back_offset;
205 	int front_offset;
206 	int current_page;
207 	int page_flipping;
208 	int use_mi_batchbuffer_start;
209 
210 	wait_queue_head_t irq_queue;
211 	atomic_t irq_received;
212 	atomic_t irq_emitted;
213 
214 	int tex_lru_log_granularity;
215 	int allow_batchbuffer;
216 	struct mem_block *agp_heap;
217 	unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
218 	int vblank_pipe;
219 	spinlock_t user_irq_lock;
220         int user_irq_refcount;
221         int fence_irq_on;
222         uint32_t irq_enable_reg;
223         int irq_enabled;
224 
225 #ifdef I915_HAVE_FENCE
226         uint32_t flush_sequence;
227 	uint32_t flush_flags;
228 	uint32_t flush_pending;
229 	uint32_t saved_flush_status;
230 #endif
231 #ifdef I915_HAVE_BUFFER
232 	void *agp_iomap;
233 #endif
234 	spinlock_t swaps_lock;
235 	drm_i915_vbl_swap_t vbl_swaps;
236 	unsigned int swaps_pending;
237 
238 } drm_i915_private_t;
239 
240 enum intel_chip_family {
241 	CHIP_I8XX = 0x01,
242 	CHIP_I9XX = 0x02,
243 	CHIP_I915 = 0x04,
244 	CHIP_I965 = 0x08,
245 };
246 
247 extern drm_ioctl_desc_t i915_ioctls[];
248 extern int i915_max_ioctl;
249 
250 				/* i915_dma.c */
251 extern void i915_kernel_lost_context(drm_device_t * dev);
252 extern int i915_driver_load(struct drm_device *, unsigned long flags);
253 extern int i915_driver_unload(struct drm_device *dev);
254 extern void i915_driver_lastclose(drm_device_t * dev);
255 extern void i915_driver_preclose(drm_device_t * dev, drm_file_t *filp);
256 extern int i915_driver_device_is_agp(drm_device_t * dev);
257 extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
258 			      unsigned long arg);
259 extern int i915_emit_mi_flush(drm_device_t *dev, uint32_t flush);
260 
261 
262 /* i915_irq.c */
263 extern int i915_irq_emit(DRM_IOCTL_ARGS);
264 extern int i915_irq_wait(DRM_IOCTL_ARGS);
265 
266 extern int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence);
267 extern int i915_driver_vblank_wait2(drm_device_t *dev, unsigned int *sequence);
268 extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
269 extern void i915_driver_irq_preinstall(drm_device_t * dev);
270 extern void i915_driver_irq_postinstall(drm_device_t * dev);
271 extern void i915_driver_irq_uninstall(drm_device_t * dev);
272 extern int i915_emit_irq(drm_device_t * dev);
273 extern void i915_user_irq_on(drm_i915_private_t *dev_priv);
274 extern void i915_user_irq_off(drm_i915_private_t *dev_priv);
275 
276 /* i915_mem.c */
277 extern int i915_mem_alloc(DRM_IOCTL_ARGS);
278 extern int i915_mem_free(DRM_IOCTL_ARGS);
279 extern int i915_mem_init_heap(DRM_IOCTL_ARGS);
280 extern int i915_mem_destroy_heap(DRM_IOCTL_ARGS);
281 extern void i915_mem_takedown(struct mem_block **heap);
282 extern void i915_mem_release(drm_device_t * dev,
283 			     drm_file_t *filp, struct mem_block *heap);
284 extern struct mem_block **get_heap(drm_i915_private_t *, int);
285 extern struct mem_block *find_block_by_proc(struct mem_block *, drm_file_t *);
286 extern void mark_block(drm_device_t *, struct mem_block *, int);
287 extern void free_block(struct mem_block *);
288 
289 #ifdef I915_HAVE_FENCE
290 /* i915_fence.c */
291 
292 
293 extern void i915_fence_handler(drm_device_t *dev);
294 extern int i915_fence_emit_sequence(drm_device_t *dev, uint32_t class,
295 				    uint32_t flags,
296 				    uint32_t *sequence,
297 				    uint32_t *native_type);
298 extern void i915_poke_flush(drm_device_t *dev, uint32_t class);
299 extern int i915_fence_has_irq(drm_device_t *dev, uint32_t class, uint32_t flags);
300 #endif
301 
302 #ifdef I915_HAVE_BUFFER
303 /* i915_buffer.c */
304 extern drm_ttm_backend_t *i915_create_ttm_backend_entry(drm_device_t *dev);
305 extern int i915_fence_types(drm_buffer_object_t *bo, uint32_t *class, uint32_t *type);
306 extern int i915_invalidate_caches(drm_device_t *dev, uint32_t buffer_flags);
307 extern int i915_init_mem_type(drm_device_t *dev, uint32_t type,
308 			       drm_mem_type_manager_t *man);
309 extern uint32_t i915_evict_mask(drm_buffer_object_t *bo);
310 extern int i915_move(drm_buffer_object_t *bo, int evict,
311 	      	int no_wait, drm_bo_mem_reg_t *new_mem);
312 
313 #endif
314 
315 #define I915_READ(reg)          DRM_READ32(dev_priv->mmio_map, (reg))
316 #define I915_WRITE(reg,val)     DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
317 #define I915_READ16(reg) 	DRM_READ16(dev_priv->mmio_map, (reg))
318 #define I915_WRITE16(reg,val)	DRM_WRITE16(dev_priv->mmio_map, (reg), (val))
319 #define	S3_READ(reg)	\
320 	*(uint32_t volatile *)((uintptr_t)s3_priv->saveAddr + (reg))
321 #define	S3_WRITE(reg, val) \
322 	*(uint32_t volatile *)((uintptr_t)s3_priv->saveAddr + (reg)) = (val)
323 
324 #define RING_LOCALS	unsigned int outring, ringmask, outcount; \
325                         volatile unsigned char *virt;
326 
327 #define BEGIN_LP_RING(n) do {				\
328 	if (dev_priv->ring.space < (n)*4)			\
329 		(void) i915_wait_ring(dev, (n)*4, __FUNCTION__);		\
330 	outcount = 0;					\
331 	outring = dev_priv->ring.tail;			\
332 	ringmask = dev_priv->ring.tail_mask;		\
333 	virt = dev_priv->ring.virtual_start;		\
334 } while (*"\0")
335 
336 #define OUT_RING(n) do {					\
337 	*(volatile unsigned int *)(void *)(virt + outring) = (n);		\
338         outcount++;						\
339 	outring += 4;						\
340 	outring &= ringmask;					\
341 } while (*"\0")
342 
343 #define ADVANCE_LP_RING() do {						\
344 	dev_priv->ring.tail = outring;					\
345 	dev_priv->ring.space -= outcount * 4;				\
346 	I915_WRITE(LP_RING + RING_TAIL, outring);			\
347 } while (*"\0")
348 
349 extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller);
350 
351 /* Extended config space */
352 #define LBB 0xf4
353 
354 /* VGA stuff */
355 
356 #define VGA_ST01_MDA 0x3ba
357 #define VGA_ST01_CGA 0x3da
358 
359 #define VGA_MSR_WRITE 0x3c2
360 #define VGA_MSR_READ 0x3cc
361 #define   VGA_MSR_MEM_EN (1<<1)
362 #define   VGA_MSR_CGA_MODE (1<<0)
363 
364 #define VGA_SR_INDEX 0x3c4
365 #define VGA_SR_DATA 0x3c5
366 
367 #define VGA_AR_INDEX 0x3c0
368 #define   VGA_AR_VID_EN (1<<5)
369 #define VGA_AR_DATA_WRITE 0x3c0
370 #define VGA_AR_DATA_READ 0x3c1
371 
372 #define VGA_GR_INDEX 0x3ce
373 #define VGA_GR_DATA 0x3cf
374 /* GR05 */
375 #define   VGA_GR_MEM_READ_MODE_SHIFT 3
376 #define     VGA_GR_MEM_READ_MODE_PLANE 1
377 /* GR06 */
378 #define   VGA_GR_MEM_MODE_MASK 0xc
379 #define   VGA_GR_MEM_MODE_SHIFT 2
380 #define   VGA_GR_MEM_A0000_AFFFF 0
381 #define   VGA_GR_MEM_A0000_BFFFF 1
382 #define   VGA_GR_MEM_B0000_B7FFF 2
383 #define   VGA_GR_MEM_B0000_BFFFF 3
384 
385 #define VGA_DACMASK 0x3c6
386 #define VGA_DACRX 0x3c7
387 #define VGA_DACWX 0x3c8
388 #define VGA_DACDATA 0x3c9
389 
390 #define VGA_CR_INDEX_MDA 0x3b4
391 #define VGA_CR_DATA_MDA 0x3b5
392 #define VGA_CR_INDEX_CGA 0x3d4
393 #define VGA_CR_DATA_CGA 0x3d5
394 
395 
396 #define GFX_OP_USER_INTERRUPT 		((0<<29)|(2<<23))
397 #define GFX_OP_BREAKPOINT_INTERRUPT	((0<<29)|(1<<23))
398 #define CMD_REPORT_HEAD			(7<<23)
399 #define CMD_STORE_DWORD_IDX		((0x21<<23) | 0x1)
400 #define CMD_OP_BATCH_BUFFER  ((0x0<<29)|(0x30<<23)|0x1)
401 
402 #define INST_PARSER_CLIENT   0x00000000
403 #define INST_OP_FLUSH        0x02000000
404 #define INST_FLUSH_MAP_CACHE 0x00000001
405 
406 #define CMD_MI_FLUSH         (0x04 << 23)
407 #define MI_NO_WRITE_FLUSH    (1 << 2)
408 #define MI_READ_FLUSH        (1 << 0)
409 #define MI_EXE_FLUSH         (1 << 1)
410 
411 #define BB1_START_ADDR_MASK   (~0x7)
412 #define BB1_PROTECTED         (1<<0)
413 #define BB1_UNPROTECTED       (0<<0)
414 #define BB2_END_ADDR_MASK     (~0x7)
415 
416 #define	I915REG_PGTBL_CTRL	0x2020
417 #define I915REG_HWSTAM		0x02098
418 #define I915REG_INT_IDENTITY_R	0x020a4
419 #define I915REG_INT_MASK_R 	0x020a8
420 #define I915REG_INT_ENABLE_R	0x020a0
421 #define I915REG_INSTPM	        0x020c0
422 
423 #define I915REG_PIPEASTAT	0x70024
424 #define I915REG_PIPEBSTAT	0x71024
425 
426 #define I915_VBLANK_INTERRUPT_ENABLE	(1UL<<17)
427 #define I915_VBLANK_CLEAR		(1UL<<1)
428 
429 #define SRX_INDEX		0x3c4
430 #define SRX_DATA		0x3c5
431 #define SR01			1
432 #define SR01_SCREEN_OFF 	(1<<5)
433 
434 #define PPCR			0x61204
435 #define PPCR_ON			(1<<0)
436 
437 #define DVOB			0x61140
438 #define DVOB_ON			(1<<31)
439 #define DVOC			0x61160
440 #define DVOC_ON			(1<<31)
441 #define LVDS			0x61180
442 #define LVDS_ON			(1<<31)
443 
444 #define ADPA			0x61100
445 #define ADPA_DPMS_MASK		(~(3<<10))
446 #define ADPA_DPMS_ON		(0<<10)
447 #define ADPA_DPMS_SUSPEND	(1<<10)
448 #define ADPA_DPMS_STANDBY	(2<<10)
449 #define ADPA_DPMS_OFF		(3<<10)
450 
451 #ifdef NOPID
452 #undef NOPID
453 #endif
454 #define NOPID                   0x2094
455 #define LP_RING     		0x2030
456 #define HP_RING     		0x2040
457 #define RING_TAIL      		0x00
458 #define TAIL_ADDR		0x001FFFF8
459 #define RING_HEAD      		0x04
460 #define HEAD_WRAP_COUNT     	0xFFE00000
461 #define HEAD_WRAP_ONE       	0x00200000
462 #define HEAD_ADDR           	0x001FFFFC
463 #define RING_START     		0x08
464 #define START_ADDR          	0x0xFFFFF000
465 #define RING_LEN       		0x0C
466 #define RING_NR_PAGES       	0x001FF000
467 #define RING_REPORT_MASK    	0x00000006
468 #define RING_REPORT_64K     	0x00000002
469 #define RING_REPORT_128K    	0x00000004
470 #define RING_NO_REPORT      	0x00000000
471 #define RING_VALID_MASK     	0x00000001
472 #define RING_VALID          	0x00000001
473 #define RING_INVALID        	0x00000000
474 
475 #define GFX_OP_SCISSOR         ((0x3<<29)|(0x1c<<24)|(0x10<<19))
476 #define SC_UPDATE_SCISSOR       (0x1<<1)
477 #define SC_ENABLE_MASK          (0x1<<0)
478 #define SC_ENABLE               (0x1<<0)
479 
480 #define GFX_OP_SCISSOR_INFO    ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
481 #define SCI_YMIN_MASK      (0xffff<<16)
482 #define SCI_XMIN_MASK      (0xffff<<0)
483 #define SCI_YMAX_MASK      (0xffff<<16)
484 #define SCI_XMAX_MASK      (0xffff<<0)
485 
486 #define GFX_OP_SCISSOR_ENABLE	 ((0x3<<29)|(0x1c<<24)|(0x10<<19))
487 #define GFX_OP_SCISSOR_RECT	 ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1)
488 #define GFX_OP_COLOR_FACTOR      ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
489 #define GFX_OP_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
490 #define GFX_OP_MAP_INFO          ((0x3<<29)|(0x1d<<24)|0x4)
491 #define GFX_OP_DESTBUFFER_VARS   ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
492 #define GFX_OP_DRAWRECT_INFO     ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
493 
494 #define GFX_OP_DRAWRECT_INFO_I965  ((0x7900<<16)|0x2)
495 
496 #define SRC_COPY_BLT_CMD                ((2<<29)|(0x43<<22)|4)
497 #define XY_SRC_COPY_BLT_CMD		((2<<29)|(0x53<<22)|6)
498 #define XY_SRC_COPY_BLT_WRITE_ALPHA	(1<<21)
499 #define XY_SRC_COPY_BLT_WRITE_RGB	(1<<20)
500 
501 #define MI_BATCH_BUFFER 	((0x30<<23)|1)
502 #define MI_BATCH_BUFFER_START 	(0x31<<23)
503 #define MI_BATCH_BUFFER_END 	(0xA<<23)
504 #define MI_BATCH_NON_SECURE	(1)
505 
506 #define MI_WAIT_FOR_EVENT       ((0x3<<23))
507 #define MI_WAIT_FOR_PLANE_A_FLIP      (1<<2)
508 #define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1)
509 
510 #define MI_LOAD_SCAN_LINES_INCL  ((0x12<<23))
511 
512 #define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2)
513 #define ASYNC_FLIP                (1<<22)
514 
515 #define CMD_OP_DESTBUFFER_INFO	 ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
516 
517 #define BREADCRUMB_OFFSET          32  /* dword offset 20h */
518 #define READ_BREADCRUMB(dev_priv)  (((volatile u32*)(dev_priv->hw_status_page))[BREADCRUMB_OFFSET])
519 #define READ_HWSP(dev_priv, reg)  (((volatile u32*)(dev_priv->hw_status_page))[reg])
520 
521 /*
522  * add here for S3 support
523  */
524 #define DPLL_A          0x06014
525 #define DPLL_B          0x06018
526 # define DPLL_VCO_ENABLE                        0x80000000 /* (1 << 31) */
527 # define DPLL_DVO_HIGH_SPEED                    (1 << 30)
528 # define DPLL_SYNCLOCK_ENABLE                   (1 << 29)
529 # define DPLL_VGA_MODE_DIS                      (1 << 28)
530 # define DPLLB_MODE_DAC_SERIAL                  (1 << 26) /* i915 */
531 # define DPLLB_MODE_LVDS                        (2 << 26) /* i915 */
532 # define DPLL_MODE_MASK                         (3 << 26)
533 # define DPLL_DAC_SERIAL_P2_CLOCK_DIV_10        (0 << 24) /* i915 */
534 # define DPLL_DAC_SERIAL_P2_CLOCK_DIV_5         (1 << 24) /* i915 */
535 # define DPLLB_LVDS_P2_CLOCK_DIV_14             (0 << 24) /* i915 */
536 # define DPLLB_LVDS_P2_CLOCK_DIV_7              (1 << 24) /* i915 */
537 # define DPLL_P2_CLOCK_DIV_MASK                 0x03000000 /* i915 */
538 # define DPLL_FPA01_P1_POST_DIV_MASK            0x00ff0000 /* i915 */
539 
540 /**
541  *  The i830 generation, in DAC/serial mode, defines p1 as two plus this
542  * bitfield, or just 2 if PLL_P1_DIVIDE_BY_TWO is set.
543  */
544 # define DPLL_FPA01_P1_POST_DIV_MASK_I830       0x001f0000
545 /**
546  * The i830 generation, in LVDS mode, defines P1 as the bit number set within
547  * this field (only one bit may be set).
548  */
549 # define DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS  0x003f0000
550 # define DPLL_FPA01_P1_POST_DIV_SHIFT           16
551 # define PLL_P2_DIVIDE_BY_4                     (1 << 23) /* i830, required in DVO non-gang */
552 # define PLL_P1_DIVIDE_BY_TWO                   (1 << 21) /* i830 */
553 # define PLL_REF_INPUT_DREFCLK                  (0 << 13)
554 # define PLL_REF_INPUT_TVCLKINA                 (1 << 13) /* i830 */
555 # define PLL_REF_INPUT_TVCLKINBC                (2 << 13) /* SDVO TVCLKIN */
556 # define PLLB_REF_INPUT_SPREADSPECTRUMIN        (3 << 13)
557 # define PLL_REF_INPUT_MASK                     (3 << 13)
558 # define PLL_LOAD_PULSE_PHASE_SHIFT             9
559 /*
560  * Parallel to Serial Load Pulse phase selection.
561  * Selects the phase for the 10X DPLL clock for the PCIe
562  * digital display port. The range is 4 to 13; 10 or more
563  * is just a flip delay. The default is 6
564  */
565 # define PLL_LOAD_PULSE_PHASE_MASK              (0xf << PLL_LOAD_PULSE_PHASE_SHIFT)
566 # define DISPLAY_RATE_SELECT_FPA1               (1 << 8)
567 
568 /**
569  * SDVO multiplier for 945G/GM. Not used on 965.
570  *
571  * \sa DPLL_MD_UDI_MULTIPLIER_MASK
572  */
573 # define SDVO_MULTIPLIER_MASK                   0x000000ff
574 # define SDVO_MULTIPLIER_SHIFT_HIRES            4
575 # define SDVO_MULTIPLIER_SHIFT_VGA              0
576 
577 /** @defgroup DPLL_MD
578  * @{
579  */
580 /** Pipe A SDVO/UDI clock multiplier/divider register for G965. */
581 #define DPLL_A_MD               0x0601c
582 /** Pipe B SDVO/UDI clock multiplier/divider register for G965. */
583 #define DPLL_B_MD               0x06020
584 /**
585  * UDI pixel divider, controlling how many pixels are stuffed into a packet.
586  *
587  * Value is pixels minus 1.  Must be set to 1 pixel for SDVO.
588  */
589 # define DPLL_MD_UDI_DIVIDER_MASK               0x3f000000
590 # define DPLL_MD_UDI_DIVIDER_SHIFT              24
591 /** UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */
592 # define DPLL_MD_VGA_UDI_DIVIDER_MASK           0x003f0000
593 # define DPLL_MD_VGA_UDI_DIVIDER_SHIFT          16
594 /**
595  * SDVO/UDI pixel multiplier.
596  *
597  * SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus
598  * clock rate is 10 times the DPLL clock.  At low resolution/refresh rate
599  * modes, the bus rate would be below the limits, so SDVO allows for stuffing
600  * dummy bytes in the datastream at an increased clock rate, with both sides of
601  * the link knowing how many bytes are fill.
602  *
603  * So, for a mode with a dotclock of 65Mhz, we would want to double the clock
604  * rate to 130Mhz to get a bus rate of 1.30Ghz.  The DPLL clock rate would be
605  * set to 130Mhz, and the SDVO multiplier set to 2x in this register and
606  * through an SDVO command.
607  *
608  * This register field has values of multiplication factor minus 1, with
609  * a maximum multiplier of 5 for SDVO.
610  */
611 # define DPLL_MD_UDI_MULTIPLIER_MASK            0x00003f00
612 # define DPLL_MD_UDI_MULTIPLIER_SHIFT           8
613 /** SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK.
614  * This best be set to the default value (3) or the CRT won't work. No,
615  * I don't entirely understand what this does...
616  */
617 # define DPLL_MD_VGA_UDI_MULTIPLIER_MASK        0x0000003f
618 # define DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT       0
619 /** @} */
620 
621 #define DPLL_TEST               0x606c
622 # define DPLLB_TEST_SDVO_DIV_1                  (0 << 22)
623 # define DPLLB_TEST_SDVO_DIV_2                  (1 << 22)
624 # define DPLLB_TEST_SDVO_DIV_4                  (2 << 22)
625 # define DPLLB_TEST_SDVO_DIV_MASK               (3 << 22)
626 # define DPLLB_TEST_N_BYPASS                    (1 << 19)
627 # define DPLLB_TEST_M_BYPASS                    (1 << 18)
628 # define DPLLB_INPUT_BUFFER_ENABLE              (1 << 16)
629 # define DPLLA_TEST_N_BYPASS                    (1 << 3)
630 # define DPLLA_TEST_M_BYPASS                    (1 << 2)
631 # define DPLLA_INPUT_BUFFER_ENABLE              (1 << 0)
632 
633 /*
634  * Palette registers
635  */
636 #define PALETTE_A               0x0a000
637 #define PALETTE_B               0x0a800
638 
639 #define FPA0            0x06040
640 #define FPA1            0x06044
641 #define FPB0            0x06048
642 #define FPB1            0x0604c
643 
644 #define D_STATE         0x6104
645 #define CG_2D_DIS       0x6200
646 #define CG_3D_DIS       0x6204
647 
648 #define MI_ARB_STATE    0x20e4
649 
650 /*
651  * Cache mode 0 reg.
652  *  - Manipulating render cache behaviour is central
653  *    to the concept of zone rendering, tuning this reg can help avoid
654  *    unnecessary render cache reads and even writes (for z/stencil)
655  *    at beginning and end of scene.
656  *
657  * - To change a bit, write to this reg with a mask bit set and the
658  * bit of interest either set or cleared.  EG: (BIT<<16) | BIT to set.
659  */
660 #define CACHE_MODE_0   0x2120
661 
662 /* I830 CRTC registers */
663 #define HTOTAL_A        0x60000
664 #define HBLANK_A        0x60004
665 #define HSYNC_A         0x60008
666 #define VTOTAL_A        0x6000c
667 #define VBLANK_A        0x60010
668 #define VSYNC_A         0x60014
669 #define PIPEASRC        0x6001c
670 #define BCLRPAT_A       0x60020
671 #define VSYNCSHIFT_A    0x60028
672 
673 #define HTOTAL_B        0x61000
674 #define HBLANK_B        0x61004
675 #define HSYNC_B         0x61008
676 #define VTOTAL_B        0x6100c
677 #define VBLANK_B        0x61010
678 #define VSYNC_B         0x61014
679 #define PIPEBSRC        0x6101c
680 #define BCLRPAT_B       0x61020
681 #define VSYNCSHIFT_B    0x61028
682 
683 #define DSPACNTR                0x70180
684 #define DSPBCNTR                0x71180
685 #define DISPLAY_PLANE_ENABLE                    (1<<31)
686 #define DISPLAY_PLANE_DISABLE                   0
687 #define DISPPLANE_GAMMA_ENABLE                  (1<<30)
688 #define DISPPLANE_GAMMA_DISABLE                 0
689 #define DISPPLANE_PIXFORMAT_MASK                (0xf<<26)
690 #define DISPPLANE_8BPP                          (0x2<<26)
691 #define DISPPLANE_15_16BPP                      (0x4<<26)
692 #define DISPPLANE_16BPP                         (0x5<<26)
693 #define DISPPLANE_32BPP_NO_ALPHA                (0x6<<26)
694 #define DISPPLANE_32BPP                         (0x7<<26)
695 #define DISPPLANE_STEREO_ENABLE                 (1<<25)
696 #define DISPPLANE_STEREO_DISABLE                0
697 #define DISPPLANE_SEL_PIPE_MASK                 (1<<24)
698 #define DISPPLANE_SEL_PIPE_A                    0
699 #define DISPPLANE_SEL_PIPE_B                    (1<<24)
700 #define DISPPLANE_SRC_KEY_ENABLE                (1<<22)
701 #define DISPPLANE_SRC_KEY_DISABLE               0
702 #define DISPPLANE_LINE_DOUBLE                   (1<<20)
703 #define DISPPLANE_NO_LINE_DOUBLE                0
704 #define DISPPLANE_STEREO_POLARITY_FIRST         0
705 #define DISPPLANE_STEREO_POLARITY_SECOND        (1<<18)
706 /* plane B only */
707 #define DISPPLANE_ALPHA_TRANS_ENABLE            (1<<15)
708 #define DISPPLANE_ALPHA_TRANS_DISABLE           0
709 #define DISPPLANE_SPRITE_ABOVE_DISPLAYA         0
710 #define DISPPLANE_SPRITE_ABOVE_OVERLAY          (1)
711 
712 #define DSPABASE                0x70184
713 #define DSPASTRIDE              0x70188
714 
715 #define DSPBBASE                0x71184
716 #define DSPBADDR                DSPBBASE
717 #define DSPBSTRIDE              0x71188
718 
719 #define DSPAKEYVAL              0x70194
720 #define DSPAKEYMASK             0x70198
721 
722 #define DSPAPOS                 0x7018C /* reserved */
723 #define DSPASIZE                0x70190
724 #define DSPBPOS                 0x7118C
725 #define DSPBSIZE                0x71190
726 
727 #define DSPASURF                0x7019C
728 #define DSPATILEOFF             0x701A4
729 
730 #define DSPBSURF                0x7119C
731 #define DSPBTILEOFF             0x711A4
732 
733 #define PIPEACONF 0x70008
734 #define PIPEACONF_ENABLE        (1<<31)
735 #define PIPEACONF_DISABLE       0
736 #define PIPEACONF_DOUBLE_WIDE   (1<<30)
737 #define I965_PIPECONF_ACTIVE    (1<<30)
738 #define PIPEACONF_SINGLE_WIDE   0
739 #define PIPEACONF_PIPE_UNLOCKED 0
740 #define PIPEACONF_PIPE_LOCKED   (1<<25)
741 #define PIPEACONF_PALETTE       0
742 #define PIPEACONF_GAMMA         (1<<24)
743 #define PIPECONF_FORCE_BORDER   (1<<25)
744 #define PIPECONF_PROGRESSIVE    (0 << 21)
745 #define PIPECONF_INTERLACE_W_FIELD_INDICATION   (6 << 21)
746 #define PIPECONF_INTERLACE_FIELD_0_ONLY         (7 << 21)
747 
748 #define PIPEBCONF 0x71008
749 #define PIPEBCONF_ENABLE        (1<<31)
750 #define PIPEBCONF_DISABLE       0
751 #define PIPEBCONF_DOUBLE_WIDE   (1<<30)
752 #define PIPEBCONF_DISABLE       0
753 #define PIPEBCONF_GAMMA         (1<<24)
754 #define PIPEBCONF_PALETTE       0
755 
756 #define BLC_PWM_CTL             0x61254
757 #define BACKLIGHT_MODULATION_FREQ_SHIFT         (17)
758 
759 #define BLC_PWM_CTL2            0x61250
760 
761 #define PFIT_CONTROL    0x61230
762 #define PFIT_PGM_RATIOS 0x61234
763 
764 /**
765  * Indicates that all dependencies of the panel are on:
766  *
767  * - PLL enabled
768  * - pipe enabled
769  * - LVDS/DVOB/DVOC on
770  */
771 # define PP_READY                               (1 << 30) # define PP_SEQUENCE_NONE                       (0 << 28)
772 # define PP_SEQUENCE_ON                         (1 << 28) # define PP_SEQUENCE_OFF                        (2 << 28)
773 # define PP_SEQUENCE_MASK                       0x30000000
774 #define PP_CONTROL      0x61204
775 # define POWER_TARGET_ON                        (1 << 0)
776 
777 #define LVDSPP_ON       0x61208
778 #define LVDSPP_OFF      0x6120c
779 #define PP_CYCLE        0x61210
780 
781 /* Framebuffer compression */
782 #define FBC_CFB_BASE            0x03200 /* 4k page aligned */
783 #define FBC_LL_BASE             0x03204 /* 4k page aligned */
784 #define FBC_CONTROL             0x03208
785 
786 #define VGACNTRL                0x71400
787 
788 #define VCLK_DIVISOR_VGA0   0x6000
789 #define VCLK_DIVISOR_VGA1   0x6004
790 #define VCLK_POST_DIV       0x6010
791 
792 /* Framebuffer compression */
793 #define FBC_CFB_BASE            0x03200 /* 4k page aligned */
794 #define FBC_LL_BASE             0x03204 /* 4k page aligned */
795 #define FBC_CONTROL             0x03208
796 #define   FBC_CTL_EN            (1<<31)
797 #define   FBC_CTL_PERIODIC      (1<<30)
798 #define   FBC_CTL_INTERVAL_SHIFT (16)
799 #define   FBC_CTL_UNCOMPRESSIBLE (1<<14)
800 #define   FBC_CTL_STRIDE_SHIFT  (5)
801 #define   FBC_CTL_FENCENO       (1<<0) #define FBC_COMMAND             0x0320c
802 #define   FBC_CMD_COMPRESS      (1<<0) #define FBC_STATUS              0x03210
803 #define   FBC_STAT_COMPRESSING  (1<<31)
804 #define   FBC_STAT_COMPRESSED   (1<<30)
805 #define   FBC_STAT_MODIFIED     (1<<29)
806 #define   FBC_STAT_CURRENT_LINE (1<<0)
807 #define FBC_CONTROL2            0x03214
808 #define   FBC_CTL_FENCE_DBL     (0<<4)
809 #define   FBC_CTL_IDLE_IMM      (0<<2)
810 #define   FBC_CTL_IDLE_FULL     (1<<2)
811 #define   FBC_CTL_IDLE_LINE     (2<<2)
812 #define   FBC_CTL_IDLE_DEBUG    (3<<2)
813 #define   FBC_CTL_CPU_FENCE     (1<<1)
814 #define   FBC_CTL_PLANEA        (0<<0)
815 #define   FBC_CTL_PLANEB        (1<<0)
816 #define FBC_FENCE_OFF           0x0321b
817 
818 #define FBC_LL_SIZE             (1536)
819 #define FBC_LL_PAD              (32)
820 
821 #define	DSPARB                  0x70030
822 
823 /*
824  * Some BIOS scratch area registers.  The 845 (and 830?) store the amount
825  * of video memory available to the BIOS in SWF1.
826  */
827 
828 #define SWF0                    0x71410
829 
830 /*
831  * 855 scratch registers.
832  */
833 #define SWF10                   0x70410
834 
835 #define SWF30                   0x72414
836 
837 #define	PCI_DEVICE_ID_INTEL_82830_CGC 0x3577
838 #define PCI_DEVICE_ID_INTEL_82845G_IG   0x2562
839 #define PCI_DEVICE_ID_INTEL_82855GM_IG  0x3582
840 #define PCI_DEVICE_ID_INTEL_82865_IG    0x2572
841 #define PCI_DEVICE_ID_INTEL_82915G_IG   0x2582
842 #define PCI_DEVICE_ID_INTEL_82915GM_IG  0x2592
843 #define PCI_DEVICE_ID_INTEL_82945G_IG   0x2772
844 #define PCI_DEVICE_ID_INTEL_82945GM_IG  0x27A2
845 #define	PCI_DEVICE_ID_INTEL_82946_GZ	0x2972
846 #define	PCI_DEVICE_ID_INTEL_82G35_IG	0x2982
847 #define	PCI_DEVICE_ID_INTEL_82Q963_IG	0x2992
848 #define	PCI_DEVICE_ID_INTEL_82G965_IG	0x29a2
849 #define	PCI_DEVICE_ID_INTEL_GM965_IG	0x2a02
850 #define	PCI_DEVICE_ID_INTEL_GME965_IG	0x2a12
851 #define	PCI_DEVICE_ID_INTEL_82G33_IG	0x29c2
852 #define	PCI_DEVICE_ID_INTEL_82Q35_IG	0x29b2
853 #define	PCI_DEVICE_ID_INTEL_82Q33_IG	0x29d2
854 #define	PCI_DEVICE_ID_INTEL_CANTIGA_IG	0x2a42
855 #define	PCI_DEVICE_ID_INTEL_EL_IG	0x2e02
856 #define	PCI_DEVICE_ID_INTEL_82Q45_IG	0x2e12
857 #define	PCI_DEVICE_ID_INTEL_82G45_IG	0x2e22
858 
859 
860 #define IS_I830(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82830_CGC)
861 #define IS_845G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82845G_IG)
862 #define IS_I85X(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82855GM_IG)
863 #define IS_I855(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82855GM_IG)
864 #define IS_I865G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82865_IG)
865 
866 #define IS_I915G(dev) (dev->pci_device == PCI_DEVICE_ID_INTEL_82915G_IG)
867 #define IS_I915GM(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82915GM_IG)
868 #define IS_I945G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82945G_IG)
869 #define IS_I945GM(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82945GM_IG)
870 
871 #define IS_I965G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82946_GZ || \
872                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G35_IG || \
873                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q963_IG || \
874                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G965_IG || \
875                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_GM965_IG || \
876                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_GME965_IG || \
877                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_CANTIGA_IG || \
878                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_EL_IG || \
879                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q45_IG || \
880                        (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G45_IG)
881 
882 #define IS_I965GM(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_GM965_IG)
883 
884 #define IS_GM45(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_CANTIGA_IG)
885 
886 #define IS_G4X(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_EL_IG || \
887                      (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q45_IG || \
888                      (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G45_IG)
889 
890 #define IS_G33(dev)    ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82G33_IG ||  \
891                         (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q35_IG || \
892                         (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q33_IG)
893 
894 #define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \
895                       IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev))
896 
897 #define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
898                         IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev))
899 
900 #define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev))
901 
902 #endif /* _I915_DRV_H */
903