xref: /openbmc/linux/drivers/gpu/drm/i915/gvt/handlers.c (revision 9977a8c3497a8f7f7f951994f298a8e4d961234f)
1 /*
2  * Copyright(c) 2011-2016 Intel Corporation. All rights reserved.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21  * SOFTWARE.
22  *
23  * Authors:
24  *    Kevin Tian <kevin.tian@intel.com>
25  *    Eddie Dong <eddie.dong@intel.com>
26  *    Zhiyuan Lv <zhiyuan.lv@intel.com>
27  *
28  * Contributors:
29  *    Min He <min.he@intel.com>
30  *    Tina Zhang <tina.zhang@intel.com>
31  *    Pei Zhang <pei.zhang@intel.com>
32  *    Niu Bing <bing.niu@intel.com>
33  *    Ping Gao <ping.a.gao@intel.com>
34  *    Zhi Wang <zhi.a.wang@intel.com>
35  *
36 
37  */
38 
39 #include "i915_drv.h"
40 #include "gvt.h"
41 #include "i915_pvinfo.h"
42 
43 /* XXX FIXME i915 has changed PP_XXX definition */
44 #define PCH_PP_STATUS  _MMIO(0xc7200)
45 #define PCH_PP_CONTROL _MMIO(0xc7204)
46 #define PCH_PP_ON_DELAYS _MMIO(0xc7208)
47 #define PCH_PP_OFF_DELAYS _MMIO(0xc720c)
48 #define PCH_PP_DIVISOR _MMIO(0xc7210)
49 
50 unsigned long intel_gvt_get_device_type(struct intel_gvt *gvt)
51 {
52 	if (IS_BROADWELL(gvt->dev_priv))
53 		return D_BDW;
54 	else if (IS_SKYLAKE(gvt->dev_priv))
55 		return D_SKL;
56 	else if (IS_KABYLAKE(gvt->dev_priv))
57 		return D_KBL;
58 
59 	return 0;
60 }
61 
62 bool intel_gvt_match_device(struct intel_gvt *gvt,
63 		unsigned long device)
64 {
65 	return intel_gvt_get_device_type(gvt) & device;
66 }
67 
68 static void read_vreg(struct intel_vgpu *vgpu, unsigned int offset,
69 	void *p_data, unsigned int bytes)
70 {
71 	memcpy(p_data, &vgpu_vreg(vgpu, offset), bytes);
72 }
73 
74 static void write_vreg(struct intel_vgpu *vgpu, unsigned int offset,
75 	void *p_data, unsigned int bytes)
76 {
77 	memcpy(&vgpu_vreg(vgpu, offset), p_data, bytes);
78 }
79 
80 static struct intel_gvt_mmio_info *find_mmio_info(struct intel_gvt *gvt,
81 						  unsigned int offset)
82 {
83 	struct intel_gvt_mmio_info *e;
84 
85 	hash_for_each_possible(gvt->mmio.mmio_info_table, e, node, offset) {
86 		if (e->offset == offset)
87 			return e;
88 	}
89 	return NULL;
90 }
91 
92 static int new_mmio_info(struct intel_gvt *gvt,
93 		u32 offset, u8 flags, u32 size,
94 		u32 addr_mask, u32 ro_mask, u32 device,
95 		gvt_mmio_func read, gvt_mmio_func write)
96 {
97 	struct intel_gvt_mmio_info *info, *p;
98 	u32 start, end, i;
99 
100 	if (!intel_gvt_match_device(gvt, device))
101 		return 0;
102 
103 	if (WARN_ON(!IS_ALIGNED(offset, 4)))
104 		return -EINVAL;
105 
106 	start = offset;
107 	end = offset + size;
108 
109 	for (i = start; i < end; i += 4) {
110 		info = kzalloc(sizeof(*info), GFP_KERNEL);
111 		if (!info)
112 			return -ENOMEM;
113 
114 		info->offset = i;
115 		p = find_mmio_info(gvt, info->offset);
116 		if (p) {
117 			WARN(1, "dup mmio definition offset %x\n",
118 				info->offset);
119 			kfree(info);
120 
121 			/* We return -EEXIST here to make GVT-g load fail.
122 			 * So duplicated MMIO can be found as soon as
123 			 * possible.
124 			 */
125 			return -EEXIST;
126 		}
127 
128 		info->ro_mask = ro_mask;
129 		info->device = device;
130 		info->read = read ? read : intel_vgpu_default_mmio_read;
131 		info->write = write ? write : intel_vgpu_default_mmio_write;
132 		gvt->mmio.mmio_attribute[info->offset / 4] = flags;
133 		INIT_HLIST_NODE(&info->node);
134 		hash_add(gvt->mmio.mmio_info_table, &info->node, info->offset);
135 		gvt->mmio.num_tracked_mmio++;
136 	}
137 	return 0;
138 }
139 
140 /**
141  * intel_gvt_render_mmio_to_ring_id - convert a mmio offset into ring id
142  * @gvt: a GVT device
143  * @offset: register offset
144  *
145  * Returns:
146  * Ring ID on success, negative error code if failed.
147  */
148 int intel_gvt_render_mmio_to_ring_id(struct intel_gvt *gvt,
149 		unsigned int offset)
150 {
151 	enum intel_engine_id id;
152 	struct intel_engine_cs *engine;
153 
154 	offset &= ~GENMASK(11, 0);
155 	for_each_engine(engine, gvt->dev_priv, id) {
156 		if (engine->mmio_base == offset)
157 			return id;
158 	}
159 	return -ENODEV;
160 }
161 
162 #define offset_to_fence_num(offset) \
163 	((offset - i915_mmio_reg_offset(FENCE_REG_GEN6_LO(0))) >> 3)
164 
165 #define fence_num_to_offset(num) \
166 	(num * 8 + i915_mmio_reg_offset(FENCE_REG_GEN6_LO(0)))
167 
168 
169 void enter_failsafe_mode(struct intel_vgpu *vgpu, int reason)
170 {
171 	switch (reason) {
172 	case GVT_FAILSAFE_UNSUPPORTED_GUEST:
173 		pr_err("Detected your guest driver doesn't support GVT-g.\n");
174 		break;
175 	case GVT_FAILSAFE_INSUFFICIENT_RESOURCE:
176 		pr_err("Graphics resource is not enough for the guest\n");
177 		break;
178 	case GVT_FAILSAFE_GUEST_ERR:
179 		pr_err("GVT Internal error  for the guest\n");
180 		break;
181 	default:
182 		break;
183 	}
184 	pr_err("Now vgpu %d will enter failsafe mode.\n", vgpu->id);
185 	vgpu->failsafe = true;
186 }
187 
188 static int sanitize_fence_mmio_access(struct intel_vgpu *vgpu,
189 		unsigned int fence_num, void *p_data, unsigned int bytes)
190 {
191 	if (fence_num >= vgpu_fence_sz(vgpu)) {
192 
193 		/* When guest access oob fence regs without access
194 		 * pv_info first, we treat guest not supporting GVT,
195 		 * and we will let vgpu enter failsafe mode.
196 		 */
197 		if (!vgpu->pv_notified)
198 			enter_failsafe_mode(vgpu,
199 					GVT_FAILSAFE_UNSUPPORTED_GUEST);
200 
201 		if (!vgpu->mmio.disable_warn_untrack) {
202 			gvt_vgpu_err("found oob fence register access\n");
203 			gvt_vgpu_err("total fence %d, access fence %d\n",
204 					vgpu_fence_sz(vgpu), fence_num);
205 		}
206 		memset(p_data, 0, bytes);
207 		return -EINVAL;
208 	}
209 	return 0;
210 }
211 
212 static int fence_mmio_read(struct intel_vgpu *vgpu, unsigned int off,
213 		void *p_data, unsigned int bytes)
214 {
215 	int ret;
216 
217 	ret = sanitize_fence_mmio_access(vgpu, offset_to_fence_num(off),
218 			p_data, bytes);
219 	if (ret)
220 		return ret;
221 	read_vreg(vgpu, off, p_data, bytes);
222 	return 0;
223 }
224 
225 static int fence_mmio_write(struct intel_vgpu *vgpu, unsigned int off,
226 		void *p_data, unsigned int bytes)
227 {
228 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
229 	unsigned int fence_num = offset_to_fence_num(off);
230 	int ret;
231 
232 	ret = sanitize_fence_mmio_access(vgpu, fence_num, p_data, bytes);
233 	if (ret)
234 		return ret;
235 	write_vreg(vgpu, off, p_data, bytes);
236 
237 	mmio_hw_access_pre(dev_priv);
238 	intel_vgpu_write_fence(vgpu, fence_num,
239 			vgpu_vreg64(vgpu, fence_num_to_offset(fence_num)));
240 	mmio_hw_access_post(dev_priv);
241 	return 0;
242 }
243 
244 #define CALC_MODE_MASK_REG(old, new) \
245 	(((new) & GENMASK(31, 16)) \
246 	 | ((((old) & GENMASK(15, 0)) & ~((new) >> 16)) \
247 	 | ((new) & ((new) >> 16))))
248 
249 static int mul_force_wake_write(struct intel_vgpu *vgpu,
250 		unsigned int offset, void *p_data, unsigned int bytes)
251 {
252 	u32 old, new;
253 	uint32_t ack_reg_offset;
254 
255 	old = vgpu_vreg(vgpu, offset);
256 	new = CALC_MODE_MASK_REG(old, *(u32 *)p_data);
257 
258 	if (IS_SKYLAKE(vgpu->gvt->dev_priv)
259 		|| IS_KABYLAKE(vgpu->gvt->dev_priv)) {
260 		switch (offset) {
261 		case FORCEWAKE_RENDER_GEN9_REG:
262 			ack_reg_offset = FORCEWAKE_ACK_RENDER_GEN9_REG;
263 			break;
264 		case FORCEWAKE_BLITTER_GEN9_REG:
265 			ack_reg_offset = FORCEWAKE_ACK_BLITTER_GEN9_REG;
266 			break;
267 		case FORCEWAKE_MEDIA_GEN9_REG:
268 			ack_reg_offset = FORCEWAKE_ACK_MEDIA_GEN9_REG;
269 			break;
270 		default:
271 			/*should not hit here*/
272 			gvt_vgpu_err("invalid forcewake offset 0x%x\n", offset);
273 			return -EINVAL;
274 		}
275 	} else {
276 		ack_reg_offset = FORCEWAKE_ACK_HSW_REG;
277 	}
278 
279 	vgpu_vreg(vgpu, offset) = new;
280 	vgpu_vreg(vgpu, ack_reg_offset) = (new & GENMASK(15, 0));
281 	return 0;
282 }
283 
284 static int gdrst_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
285 			    void *p_data, unsigned int bytes)
286 {
287 	unsigned int engine_mask = 0;
288 	u32 data;
289 
290 	write_vreg(vgpu, offset, p_data, bytes);
291 	data = vgpu_vreg(vgpu, offset);
292 
293 	if (data & GEN6_GRDOM_FULL) {
294 		gvt_dbg_mmio("vgpu%d: request full GPU reset\n", vgpu->id);
295 		engine_mask = ALL_ENGINES;
296 	} else {
297 		if (data & GEN6_GRDOM_RENDER) {
298 			gvt_dbg_mmio("vgpu%d: request RCS reset\n", vgpu->id);
299 			engine_mask |= (1 << RCS);
300 		}
301 		if (data & GEN6_GRDOM_MEDIA) {
302 			gvt_dbg_mmio("vgpu%d: request VCS reset\n", vgpu->id);
303 			engine_mask |= (1 << VCS);
304 		}
305 		if (data & GEN6_GRDOM_BLT) {
306 			gvt_dbg_mmio("vgpu%d: request BCS Reset\n", vgpu->id);
307 			engine_mask |= (1 << BCS);
308 		}
309 		if (data & GEN6_GRDOM_VECS) {
310 			gvt_dbg_mmio("vgpu%d: request VECS Reset\n", vgpu->id);
311 			engine_mask |= (1 << VECS);
312 		}
313 		if (data & GEN8_GRDOM_MEDIA2) {
314 			gvt_dbg_mmio("vgpu%d: request VCS2 Reset\n", vgpu->id);
315 			if (HAS_BSD2(vgpu->gvt->dev_priv))
316 				engine_mask |= (1 << VCS2);
317 		}
318 	}
319 
320 	intel_gvt_reset_vgpu_locked(vgpu, false, engine_mask);
321 
322 	/* sw will wait for the device to ack the reset request */
323 	 vgpu_vreg(vgpu, offset) = 0;
324 
325 	return 0;
326 }
327 
328 static int gmbus_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
329 		void *p_data, unsigned int bytes)
330 {
331 	return intel_gvt_i2c_handle_gmbus_read(vgpu, offset, p_data, bytes);
332 }
333 
334 static int gmbus_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
335 		void *p_data, unsigned int bytes)
336 {
337 	return intel_gvt_i2c_handle_gmbus_write(vgpu, offset, p_data, bytes);
338 }
339 
340 static int pch_pp_control_mmio_write(struct intel_vgpu *vgpu,
341 		unsigned int offset, void *p_data, unsigned int bytes)
342 {
343 	write_vreg(vgpu, offset, p_data, bytes);
344 
345 	if (vgpu_vreg(vgpu, offset) & PANEL_POWER_ON) {
346 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) |= PP_ON;
347 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) |= PP_SEQUENCE_STATE_ON_IDLE;
348 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) &= ~PP_SEQUENCE_POWER_DOWN;
349 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) &= ~PP_CYCLE_DELAY_ACTIVE;
350 
351 	} else
352 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) &=
353 			~(PP_ON | PP_SEQUENCE_POWER_DOWN
354 					| PP_CYCLE_DELAY_ACTIVE);
355 	return 0;
356 }
357 
358 static int transconf_mmio_write(struct intel_vgpu *vgpu,
359 		unsigned int offset, void *p_data, unsigned int bytes)
360 {
361 	write_vreg(vgpu, offset, p_data, bytes);
362 
363 	if (vgpu_vreg(vgpu, offset) & TRANS_ENABLE)
364 		vgpu_vreg(vgpu, offset) |= TRANS_STATE_ENABLE;
365 	else
366 		vgpu_vreg(vgpu, offset) &= ~TRANS_STATE_ENABLE;
367 	return 0;
368 }
369 
370 static int lcpll_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
371 		void *p_data, unsigned int bytes)
372 {
373 	write_vreg(vgpu, offset, p_data, bytes);
374 
375 	if (vgpu_vreg(vgpu, offset) & LCPLL_PLL_DISABLE)
376 		vgpu_vreg(vgpu, offset) &= ~LCPLL_PLL_LOCK;
377 	else
378 		vgpu_vreg(vgpu, offset) |= LCPLL_PLL_LOCK;
379 
380 	if (vgpu_vreg(vgpu, offset) & LCPLL_CD_SOURCE_FCLK)
381 		vgpu_vreg(vgpu, offset) |= LCPLL_CD_SOURCE_FCLK_DONE;
382 	else
383 		vgpu_vreg(vgpu, offset) &= ~LCPLL_CD_SOURCE_FCLK_DONE;
384 
385 	return 0;
386 }
387 
388 static int dpy_reg_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
389 		void *p_data, unsigned int bytes)
390 {
391 	switch (offset) {
392 	case 0xe651c:
393 	case 0xe661c:
394 	case 0xe671c:
395 	case 0xe681c:
396 		vgpu_vreg(vgpu, offset) = 1 << 17;
397 		break;
398 	case 0xe6c04:
399 		vgpu_vreg(vgpu, offset) = 0x3;
400 		break;
401 	case 0xe6e1c:
402 		vgpu_vreg(vgpu, offset) = 0x2f << 16;
403 		break;
404 	default:
405 		return -EINVAL;
406 	}
407 
408 	read_vreg(vgpu, offset, p_data, bytes);
409 	return 0;
410 }
411 
412 static int pipeconf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
413 		void *p_data, unsigned int bytes)
414 {
415 	u32 data;
416 
417 	write_vreg(vgpu, offset, p_data, bytes);
418 	data = vgpu_vreg(vgpu, offset);
419 
420 	if (data & PIPECONF_ENABLE)
421 		vgpu_vreg(vgpu, offset) |= I965_PIPECONF_ACTIVE;
422 	else
423 		vgpu_vreg(vgpu, offset) &= ~I965_PIPECONF_ACTIVE;
424 	intel_gvt_check_vblank_emulation(vgpu->gvt);
425 	return 0;
426 }
427 
428 /* ascendingly sorted */
429 static i915_reg_t force_nonpriv_white_list[] = {
430 	GEN9_CS_DEBUG_MODE1, //_MMIO(0x20ec)
431 	GEN9_CTX_PREEMPT_REG,//_MMIO(0x2248)
432 	GEN8_CS_CHICKEN1,//_MMIO(0x2580)
433 	_MMIO(0x2690),
434 	_MMIO(0x2694),
435 	_MMIO(0x2698),
436 	_MMIO(0x4de0),
437 	_MMIO(0x4de4),
438 	_MMIO(0x4dfc),
439 	GEN7_COMMON_SLICE_CHICKEN1,//_MMIO(0x7010)
440 	_MMIO(0x7014),
441 	HDC_CHICKEN0,//_MMIO(0x7300)
442 	GEN8_HDC_CHICKEN1,//_MMIO(0x7304)
443 	_MMIO(0x7700),
444 	_MMIO(0x7704),
445 	_MMIO(0x7708),
446 	_MMIO(0x770c),
447 	_MMIO(0xb110),
448 	GEN8_L3SQCREG4,//_MMIO(0xb118)
449 	_MMIO(0xe100),
450 	_MMIO(0xe18c),
451 	_MMIO(0xe48c),
452 	_MMIO(0xe5f4),
453 };
454 
455 /* a simple bsearch */
456 static inline bool in_whitelist(unsigned int reg)
457 {
458 	int left = 0, right = ARRAY_SIZE(force_nonpriv_white_list);
459 	i915_reg_t *array = force_nonpriv_white_list;
460 
461 	while (left < right) {
462 		int mid = (left + right)/2;
463 
464 		if (reg > array[mid].reg)
465 			left = mid + 1;
466 		else if (reg < array[mid].reg)
467 			right = mid;
468 		else
469 			return true;
470 	}
471 	return false;
472 }
473 
474 static int force_nonpriv_write(struct intel_vgpu *vgpu,
475 	unsigned int offset, void *p_data, unsigned int bytes)
476 {
477 	u32 reg_nonpriv = *(u32 *)p_data;
478 	int ret = -EINVAL;
479 
480 	if ((bytes != 4) || ((offset & (bytes - 1)) != 0)) {
481 		gvt_err("vgpu(%d) Invalid FORCE_NONPRIV offset %x(%dB)\n",
482 			vgpu->id, offset, bytes);
483 		return ret;
484 	}
485 
486 	if (in_whitelist(reg_nonpriv)) {
487 		ret = intel_vgpu_default_mmio_write(vgpu, offset, p_data,
488 			bytes);
489 	} else {
490 		gvt_err("vgpu(%d) Invalid FORCE_NONPRIV write %x\n",
491 			vgpu->id, reg_nonpriv);
492 	}
493 	return ret;
494 }
495 
496 static int ddi_buf_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
497 		void *p_data, unsigned int bytes)
498 {
499 	write_vreg(vgpu, offset, p_data, bytes);
500 
501 	if (vgpu_vreg(vgpu, offset) & DDI_BUF_CTL_ENABLE) {
502 		vgpu_vreg(vgpu, offset) &= ~DDI_BUF_IS_IDLE;
503 	} else {
504 		vgpu_vreg(vgpu, offset) |= DDI_BUF_IS_IDLE;
505 		if (offset == i915_mmio_reg_offset(DDI_BUF_CTL(PORT_E)))
506 			vgpu_vreg_t(vgpu, DP_TP_STATUS(PORT_E))
507 				&= ~DP_TP_STATUS_AUTOTRAIN_DONE;
508 	}
509 	return 0;
510 }
511 
512 static int fdi_rx_iir_mmio_write(struct intel_vgpu *vgpu,
513 		unsigned int offset, void *p_data, unsigned int bytes)
514 {
515 	vgpu_vreg(vgpu, offset) &= ~*(u32 *)p_data;
516 	return 0;
517 }
518 
519 #define FDI_LINK_TRAIN_PATTERN1         0
520 #define FDI_LINK_TRAIN_PATTERN2         1
521 
522 static int fdi_auto_training_started(struct intel_vgpu *vgpu)
523 {
524 	u32 ddi_buf_ctl = vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_E));
525 	u32 rx_ctl = vgpu_vreg(vgpu, _FDI_RXA_CTL);
526 	u32 tx_ctl = vgpu_vreg_t(vgpu, DP_TP_CTL(PORT_E));
527 
528 	if ((ddi_buf_ctl & DDI_BUF_CTL_ENABLE) &&
529 			(rx_ctl & FDI_RX_ENABLE) &&
530 			(rx_ctl & FDI_AUTO_TRAINING) &&
531 			(tx_ctl & DP_TP_CTL_ENABLE) &&
532 			(tx_ctl & DP_TP_CTL_FDI_AUTOTRAIN))
533 		return 1;
534 	else
535 		return 0;
536 }
537 
538 static int check_fdi_rx_train_status(struct intel_vgpu *vgpu,
539 		enum pipe pipe, unsigned int train_pattern)
540 {
541 	i915_reg_t fdi_rx_imr, fdi_tx_ctl, fdi_rx_ctl;
542 	unsigned int fdi_rx_check_bits, fdi_tx_check_bits;
543 	unsigned int fdi_rx_train_bits, fdi_tx_train_bits;
544 	unsigned int fdi_iir_check_bits;
545 
546 	fdi_rx_imr = FDI_RX_IMR(pipe);
547 	fdi_tx_ctl = FDI_TX_CTL(pipe);
548 	fdi_rx_ctl = FDI_RX_CTL(pipe);
549 
550 	if (train_pattern == FDI_LINK_TRAIN_PATTERN1) {
551 		fdi_rx_train_bits = FDI_LINK_TRAIN_PATTERN_1_CPT;
552 		fdi_tx_train_bits = FDI_LINK_TRAIN_PATTERN_1;
553 		fdi_iir_check_bits = FDI_RX_BIT_LOCK;
554 	} else if (train_pattern == FDI_LINK_TRAIN_PATTERN2) {
555 		fdi_rx_train_bits = FDI_LINK_TRAIN_PATTERN_2_CPT;
556 		fdi_tx_train_bits = FDI_LINK_TRAIN_PATTERN_2;
557 		fdi_iir_check_bits = FDI_RX_SYMBOL_LOCK;
558 	} else {
559 		gvt_vgpu_err("Invalid train pattern %d\n", train_pattern);
560 		return -EINVAL;
561 	}
562 
563 	fdi_rx_check_bits = FDI_RX_ENABLE | fdi_rx_train_bits;
564 	fdi_tx_check_bits = FDI_TX_ENABLE | fdi_tx_train_bits;
565 
566 	/* If imr bit has been masked */
567 	if (vgpu_vreg_t(vgpu, fdi_rx_imr) & fdi_iir_check_bits)
568 		return 0;
569 
570 	if (((vgpu_vreg_t(vgpu, fdi_tx_ctl) & fdi_tx_check_bits)
571 			== fdi_tx_check_bits)
572 		&& ((vgpu_vreg_t(vgpu, fdi_rx_ctl) & fdi_rx_check_bits)
573 			== fdi_rx_check_bits))
574 		return 1;
575 	else
576 		return 0;
577 }
578 
579 #define INVALID_INDEX (~0U)
580 
581 static unsigned int calc_index(unsigned int offset, unsigned int start,
582 	unsigned int next, unsigned int end, i915_reg_t i915_end)
583 {
584 	unsigned int range = next - start;
585 
586 	if (!end)
587 		end = i915_mmio_reg_offset(i915_end);
588 	if (offset < start || offset > end)
589 		return INVALID_INDEX;
590 	offset -= start;
591 	return offset / range;
592 }
593 
594 #define FDI_RX_CTL_TO_PIPE(offset) \
595 	calc_index(offset, _FDI_RXA_CTL, _FDI_RXB_CTL, 0, FDI_RX_CTL(PIPE_C))
596 
597 #define FDI_TX_CTL_TO_PIPE(offset) \
598 	calc_index(offset, _FDI_TXA_CTL, _FDI_TXB_CTL, 0, FDI_TX_CTL(PIPE_C))
599 
600 #define FDI_RX_IMR_TO_PIPE(offset) \
601 	calc_index(offset, _FDI_RXA_IMR, _FDI_RXB_IMR, 0, FDI_RX_IMR(PIPE_C))
602 
603 static int update_fdi_rx_iir_status(struct intel_vgpu *vgpu,
604 		unsigned int offset, void *p_data, unsigned int bytes)
605 {
606 	i915_reg_t fdi_rx_iir;
607 	unsigned int index;
608 	int ret;
609 
610 	if (FDI_RX_CTL_TO_PIPE(offset) != INVALID_INDEX)
611 		index = FDI_RX_CTL_TO_PIPE(offset);
612 	else if (FDI_TX_CTL_TO_PIPE(offset) != INVALID_INDEX)
613 		index = FDI_TX_CTL_TO_PIPE(offset);
614 	else if (FDI_RX_IMR_TO_PIPE(offset) != INVALID_INDEX)
615 		index = FDI_RX_IMR_TO_PIPE(offset);
616 	else {
617 		gvt_vgpu_err("Unsupport registers %x\n", offset);
618 		return -EINVAL;
619 	}
620 
621 	write_vreg(vgpu, offset, p_data, bytes);
622 
623 	fdi_rx_iir = FDI_RX_IIR(index);
624 
625 	ret = check_fdi_rx_train_status(vgpu, index, FDI_LINK_TRAIN_PATTERN1);
626 	if (ret < 0)
627 		return ret;
628 	if (ret)
629 		vgpu_vreg_t(vgpu, fdi_rx_iir) |= FDI_RX_BIT_LOCK;
630 
631 	ret = check_fdi_rx_train_status(vgpu, index, FDI_LINK_TRAIN_PATTERN2);
632 	if (ret < 0)
633 		return ret;
634 	if (ret)
635 		vgpu_vreg_t(vgpu, fdi_rx_iir) |= FDI_RX_SYMBOL_LOCK;
636 
637 	if (offset == _FDI_RXA_CTL)
638 		if (fdi_auto_training_started(vgpu))
639 			vgpu_vreg_t(vgpu, DP_TP_STATUS(PORT_E)) |=
640 				DP_TP_STATUS_AUTOTRAIN_DONE;
641 	return 0;
642 }
643 
644 #define DP_TP_CTL_TO_PORT(offset) \
645 	calc_index(offset, _DP_TP_CTL_A, _DP_TP_CTL_B, 0, DP_TP_CTL(PORT_E))
646 
647 static int dp_tp_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
648 		void *p_data, unsigned int bytes)
649 {
650 	i915_reg_t status_reg;
651 	unsigned int index;
652 	u32 data;
653 
654 	write_vreg(vgpu, offset, p_data, bytes);
655 
656 	index = DP_TP_CTL_TO_PORT(offset);
657 	data = (vgpu_vreg(vgpu, offset) & GENMASK(10, 8)) >> 8;
658 	if (data == 0x2) {
659 		status_reg = DP_TP_STATUS(index);
660 		vgpu_vreg_t(vgpu, status_reg) |= (1 << 25);
661 	}
662 	return 0;
663 }
664 
665 static int dp_tp_status_mmio_write(struct intel_vgpu *vgpu,
666 		unsigned int offset, void *p_data, unsigned int bytes)
667 {
668 	u32 reg_val;
669 	u32 sticky_mask;
670 
671 	reg_val = *((u32 *)p_data);
672 	sticky_mask = GENMASK(27, 26) | (1 << 24);
673 
674 	vgpu_vreg(vgpu, offset) = (reg_val & ~sticky_mask) |
675 		(vgpu_vreg(vgpu, offset) & sticky_mask);
676 	vgpu_vreg(vgpu, offset) &= ~(reg_val & sticky_mask);
677 	return 0;
678 }
679 
680 static int pch_adpa_mmio_write(struct intel_vgpu *vgpu,
681 		unsigned int offset, void *p_data, unsigned int bytes)
682 {
683 	u32 data;
684 
685 	write_vreg(vgpu, offset, p_data, bytes);
686 	data = vgpu_vreg(vgpu, offset);
687 
688 	if (data & ADPA_CRT_HOTPLUG_FORCE_TRIGGER)
689 		vgpu_vreg(vgpu, offset) &= ~ADPA_CRT_HOTPLUG_FORCE_TRIGGER;
690 	return 0;
691 }
692 
693 static int south_chicken2_mmio_write(struct intel_vgpu *vgpu,
694 		unsigned int offset, void *p_data, unsigned int bytes)
695 {
696 	u32 data;
697 
698 	write_vreg(vgpu, offset, p_data, bytes);
699 	data = vgpu_vreg(vgpu, offset);
700 
701 	if (data & FDI_MPHY_IOSFSB_RESET_CTL)
702 		vgpu_vreg(vgpu, offset) |= FDI_MPHY_IOSFSB_RESET_STATUS;
703 	else
704 		vgpu_vreg(vgpu, offset) &= ~FDI_MPHY_IOSFSB_RESET_STATUS;
705 	return 0;
706 }
707 
708 #define DSPSURF_TO_PIPE(offset) \
709 	calc_index(offset, _DSPASURF, _DSPBSURF, 0, DSPSURF(PIPE_C))
710 
711 static int pri_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
712 		void *p_data, unsigned int bytes)
713 {
714 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
715 	unsigned int index = DSPSURF_TO_PIPE(offset);
716 	i915_reg_t surflive_reg = DSPSURFLIVE(index);
717 	int flip_event[] = {
718 		[PIPE_A] = PRIMARY_A_FLIP_DONE,
719 		[PIPE_B] = PRIMARY_B_FLIP_DONE,
720 		[PIPE_C] = PRIMARY_C_FLIP_DONE,
721 	};
722 
723 	write_vreg(vgpu, offset, p_data, bytes);
724 	vgpu_vreg_t(vgpu, surflive_reg) = vgpu_vreg(vgpu, offset);
725 
726 	set_bit(flip_event[index], vgpu->irq.flip_done_event[index]);
727 	return 0;
728 }
729 
730 #define SPRSURF_TO_PIPE(offset) \
731 	calc_index(offset, _SPRA_SURF, _SPRB_SURF, 0, SPRSURF(PIPE_C))
732 
733 static int spr_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
734 		void *p_data, unsigned int bytes)
735 {
736 	unsigned int index = SPRSURF_TO_PIPE(offset);
737 	i915_reg_t surflive_reg = SPRSURFLIVE(index);
738 	int flip_event[] = {
739 		[PIPE_A] = SPRITE_A_FLIP_DONE,
740 		[PIPE_B] = SPRITE_B_FLIP_DONE,
741 		[PIPE_C] = SPRITE_C_FLIP_DONE,
742 	};
743 
744 	write_vreg(vgpu, offset, p_data, bytes);
745 	vgpu_vreg_t(vgpu, surflive_reg) = vgpu_vreg(vgpu, offset);
746 
747 	set_bit(flip_event[index], vgpu->irq.flip_done_event[index]);
748 	return 0;
749 }
750 
751 static int trigger_aux_channel_interrupt(struct intel_vgpu *vgpu,
752 		unsigned int reg)
753 {
754 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
755 	enum intel_gvt_event_type event;
756 
757 	if (reg == _DPA_AUX_CH_CTL)
758 		event = AUX_CHANNEL_A;
759 	else if (reg == _PCH_DPB_AUX_CH_CTL || reg == _DPB_AUX_CH_CTL)
760 		event = AUX_CHANNEL_B;
761 	else if (reg == _PCH_DPC_AUX_CH_CTL || reg == _DPC_AUX_CH_CTL)
762 		event = AUX_CHANNEL_C;
763 	else if (reg == _PCH_DPD_AUX_CH_CTL || reg == _DPD_AUX_CH_CTL)
764 		event = AUX_CHANNEL_D;
765 	else {
766 		WARN_ON(true);
767 		return -EINVAL;
768 	}
769 
770 	intel_vgpu_trigger_virtual_event(vgpu, event);
771 	return 0;
772 }
773 
774 static int dp_aux_ch_ctl_trans_done(struct intel_vgpu *vgpu, u32 value,
775 		unsigned int reg, int len, bool data_valid)
776 {
777 	/* mark transaction done */
778 	value |= DP_AUX_CH_CTL_DONE;
779 	value &= ~DP_AUX_CH_CTL_SEND_BUSY;
780 	value &= ~DP_AUX_CH_CTL_RECEIVE_ERROR;
781 
782 	if (data_valid)
783 		value &= ~DP_AUX_CH_CTL_TIME_OUT_ERROR;
784 	else
785 		value |= DP_AUX_CH_CTL_TIME_OUT_ERROR;
786 
787 	/* message size */
788 	value &= ~(0xf << 20);
789 	value |= (len << 20);
790 	vgpu_vreg(vgpu, reg) = value;
791 
792 	if (value & DP_AUX_CH_CTL_INTERRUPT)
793 		return trigger_aux_channel_interrupt(vgpu, reg);
794 	return 0;
795 }
796 
797 static void dp_aux_ch_ctl_link_training(struct intel_vgpu_dpcd_data *dpcd,
798 		uint8_t t)
799 {
800 	if ((t & DPCD_TRAINING_PATTERN_SET_MASK) == DPCD_TRAINING_PATTERN_1) {
801 		/* training pattern 1 for CR */
802 		/* set LANE0_CR_DONE, LANE1_CR_DONE */
803 		dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_LANES_CR_DONE;
804 		/* set LANE2_CR_DONE, LANE3_CR_DONE */
805 		dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_LANES_CR_DONE;
806 	} else if ((t & DPCD_TRAINING_PATTERN_SET_MASK) ==
807 			DPCD_TRAINING_PATTERN_2) {
808 		/* training pattern 2 for EQ */
809 		/* Set CHANNEL_EQ_DONE and  SYMBOL_LOCKED for Lane0_1 */
810 		dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_LANES_EQ_DONE;
811 		dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_SYMBOL_LOCKED;
812 		/* Set CHANNEL_EQ_DONE and  SYMBOL_LOCKED for Lane2_3 */
813 		dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_LANES_EQ_DONE;
814 		dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_SYMBOL_LOCKED;
815 		/* set INTERLANE_ALIGN_DONE */
816 		dpcd->data[DPCD_LANE_ALIGN_STATUS_UPDATED] |=
817 			DPCD_INTERLANE_ALIGN_DONE;
818 	} else if ((t & DPCD_TRAINING_PATTERN_SET_MASK) ==
819 			DPCD_LINK_TRAINING_DISABLED) {
820 		/* finish link training */
821 		/* set sink status as synchronized */
822 		dpcd->data[DPCD_SINK_STATUS] = DPCD_SINK_IN_SYNC;
823 	}
824 }
825 
826 #define _REG_HSW_DP_AUX_CH_CTL(dp) \
827 	((dp) ? (_PCH_DPB_AUX_CH_CTL + ((dp)-1)*0x100) : 0x64010)
828 
829 #define _REG_SKL_DP_AUX_CH_CTL(dp) (0x64010 + (dp) * 0x100)
830 
831 #define OFFSET_TO_DP_AUX_PORT(offset) (((offset) & 0xF00) >> 8)
832 
833 #define dpy_is_valid_port(port)	\
834 		(((port) >= PORT_A) && ((port) < I915_MAX_PORTS))
835 
836 static int dp_aux_ch_ctl_mmio_write(struct intel_vgpu *vgpu,
837 		unsigned int offset, void *p_data, unsigned int bytes)
838 {
839 	struct intel_vgpu_display *display = &vgpu->display;
840 	int msg, addr, ctrl, op, len;
841 	int port_index = OFFSET_TO_DP_AUX_PORT(offset);
842 	struct intel_vgpu_dpcd_data *dpcd = NULL;
843 	struct intel_vgpu_port *port = NULL;
844 	u32 data;
845 
846 	if (!dpy_is_valid_port(port_index)) {
847 		gvt_vgpu_err("Unsupported DP port access!\n");
848 		return 0;
849 	}
850 
851 	write_vreg(vgpu, offset, p_data, bytes);
852 	data = vgpu_vreg(vgpu, offset);
853 
854 	if ((IS_SKYLAKE(vgpu->gvt->dev_priv)
855 		|| IS_KABYLAKE(vgpu->gvt->dev_priv))
856 		&& offset != _REG_SKL_DP_AUX_CH_CTL(port_index)) {
857 		/* SKL DPB/C/D aux ctl register changed */
858 		return 0;
859 	} else if (IS_BROADWELL(vgpu->gvt->dev_priv) &&
860 		   offset != _REG_HSW_DP_AUX_CH_CTL(port_index)) {
861 		/* write to the data registers */
862 		return 0;
863 	}
864 
865 	if (!(data & DP_AUX_CH_CTL_SEND_BUSY)) {
866 		/* just want to clear the sticky bits */
867 		vgpu_vreg(vgpu, offset) = 0;
868 		return 0;
869 	}
870 
871 	port = &display->ports[port_index];
872 	dpcd = port->dpcd;
873 
874 	/* read out message from DATA1 register */
875 	msg = vgpu_vreg(vgpu, offset + 4);
876 	addr = (msg >> 8) & 0xffff;
877 	ctrl = (msg >> 24) & 0xff;
878 	len = msg & 0xff;
879 	op = ctrl >> 4;
880 
881 	if (op == GVT_AUX_NATIVE_WRITE) {
882 		int t;
883 		uint8_t buf[16];
884 
885 		if ((addr + len + 1) >= DPCD_SIZE) {
886 			/*
887 			 * Write request exceeds what we supported,
888 			 * DCPD spec: When a Source Device is writing a DPCD
889 			 * address not supported by the Sink Device, the Sink
890 			 * Device shall reply with AUX NACK and “M” equal to
891 			 * zero.
892 			 */
893 
894 			/* NAK the write */
895 			vgpu_vreg(vgpu, offset + 4) = AUX_NATIVE_REPLY_NAK;
896 			dp_aux_ch_ctl_trans_done(vgpu, data, offset, 2, true);
897 			return 0;
898 		}
899 
900 		/*
901 		 * Write request format: (command + address) occupies
902 		 * 3 bytes, followed by (len + 1) bytes of data.
903 		 */
904 		if (WARN_ON((len + 4) > AUX_BURST_SIZE))
905 			return -EINVAL;
906 
907 		/* unpack data from vreg to buf */
908 		for (t = 0; t < 4; t++) {
909 			u32 r = vgpu_vreg(vgpu, offset + 8 + t * 4);
910 
911 			buf[t * 4] = (r >> 24) & 0xff;
912 			buf[t * 4 + 1] = (r >> 16) & 0xff;
913 			buf[t * 4 + 2] = (r >> 8) & 0xff;
914 			buf[t * 4 + 3] = r & 0xff;
915 		}
916 
917 		/* write to virtual DPCD */
918 		if (dpcd && dpcd->data_valid) {
919 			for (t = 0; t <= len; t++) {
920 				int p = addr + t;
921 
922 				dpcd->data[p] = buf[t];
923 				/* check for link training */
924 				if (p == DPCD_TRAINING_PATTERN_SET)
925 					dp_aux_ch_ctl_link_training(dpcd,
926 							buf[t]);
927 			}
928 		}
929 
930 		/* ACK the write */
931 		vgpu_vreg(vgpu, offset + 4) = 0;
932 		dp_aux_ch_ctl_trans_done(vgpu, data, offset, 1,
933 				dpcd && dpcd->data_valid);
934 		return 0;
935 	}
936 
937 	if (op == GVT_AUX_NATIVE_READ) {
938 		int idx, i, ret = 0;
939 
940 		if ((addr + len + 1) >= DPCD_SIZE) {
941 			/*
942 			 * read request exceeds what we supported
943 			 * DPCD spec: A Sink Device receiving a Native AUX CH
944 			 * read request for an unsupported DPCD address must
945 			 * reply with an AUX ACK and read data set equal to
946 			 * zero instead of replying with AUX NACK.
947 			 */
948 
949 			/* ACK the READ*/
950 			vgpu_vreg(vgpu, offset + 4) = 0;
951 			vgpu_vreg(vgpu, offset + 8) = 0;
952 			vgpu_vreg(vgpu, offset + 12) = 0;
953 			vgpu_vreg(vgpu, offset + 16) = 0;
954 			vgpu_vreg(vgpu, offset + 20) = 0;
955 
956 			dp_aux_ch_ctl_trans_done(vgpu, data, offset, len + 2,
957 					true);
958 			return 0;
959 		}
960 
961 		for (idx = 1; idx <= 5; idx++) {
962 			/* clear the data registers */
963 			vgpu_vreg(vgpu, offset + 4 * idx) = 0;
964 		}
965 
966 		/*
967 		 * Read reply format: ACK (1 byte) plus (len + 1) bytes of data.
968 		 */
969 		if (WARN_ON((len + 2) > AUX_BURST_SIZE))
970 			return -EINVAL;
971 
972 		/* read from virtual DPCD to vreg */
973 		/* first 4 bytes: [ACK][addr][addr+1][addr+2] */
974 		if (dpcd && dpcd->data_valid) {
975 			for (i = 1; i <= (len + 1); i++) {
976 				int t;
977 
978 				t = dpcd->data[addr + i - 1];
979 				t <<= (24 - 8 * (i % 4));
980 				ret |= t;
981 
982 				if ((i % 4 == 3) || (i == (len + 1))) {
983 					vgpu_vreg(vgpu, offset +
984 							(i / 4 + 1) * 4) = ret;
985 					ret = 0;
986 				}
987 			}
988 		}
989 		dp_aux_ch_ctl_trans_done(vgpu, data, offset, len + 2,
990 				dpcd && dpcd->data_valid);
991 		return 0;
992 	}
993 
994 	/* i2c transaction starts */
995 	intel_gvt_i2c_handle_aux_ch_write(vgpu, port_index, offset, p_data);
996 
997 	if (data & DP_AUX_CH_CTL_INTERRUPT)
998 		trigger_aux_channel_interrupt(vgpu, offset);
999 	return 0;
1000 }
1001 
1002 static int mbctl_write(struct intel_vgpu *vgpu, unsigned int offset,
1003 		void *p_data, unsigned int bytes)
1004 {
1005 	*(u32 *)p_data &= (~GEN6_MBCTL_ENABLE_BOOT_FETCH);
1006 	write_vreg(vgpu, offset, p_data, bytes);
1007 	return 0;
1008 }
1009 
1010 static int vga_control_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1011 		void *p_data, unsigned int bytes)
1012 {
1013 	bool vga_disable;
1014 
1015 	write_vreg(vgpu, offset, p_data, bytes);
1016 	vga_disable = vgpu_vreg(vgpu, offset) & VGA_DISP_DISABLE;
1017 
1018 	gvt_dbg_core("vgpu%d: %s VGA mode\n", vgpu->id,
1019 			vga_disable ? "Disable" : "Enable");
1020 	return 0;
1021 }
1022 
1023 static u32 read_virtual_sbi_register(struct intel_vgpu *vgpu,
1024 		unsigned int sbi_offset)
1025 {
1026 	struct intel_vgpu_display *display = &vgpu->display;
1027 	int num = display->sbi.number;
1028 	int i;
1029 
1030 	for (i = 0; i < num; ++i)
1031 		if (display->sbi.registers[i].offset == sbi_offset)
1032 			break;
1033 
1034 	if (i == num)
1035 		return 0;
1036 
1037 	return display->sbi.registers[i].value;
1038 }
1039 
1040 static void write_virtual_sbi_register(struct intel_vgpu *vgpu,
1041 		unsigned int offset, u32 value)
1042 {
1043 	struct intel_vgpu_display *display = &vgpu->display;
1044 	int num = display->sbi.number;
1045 	int i;
1046 
1047 	for (i = 0; i < num; ++i) {
1048 		if (display->sbi.registers[i].offset == offset)
1049 			break;
1050 	}
1051 
1052 	if (i == num) {
1053 		if (num == SBI_REG_MAX) {
1054 			gvt_vgpu_err("SBI caching meets maximum limits\n");
1055 			return;
1056 		}
1057 		display->sbi.number++;
1058 	}
1059 
1060 	display->sbi.registers[i].offset = offset;
1061 	display->sbi.registers[i].value = value;
1062 }
1063 
1064 static int sbi_data_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
1065 		void *p_data, unsigned int bytes)
1066 {
1067 	if (((vgpu_vreg_t(vgpu, SBI_CTL_STAT) & SBI_OPCODE_MASK) >>
1068 				SBI_OPCODE_SHIFT) == SBI_CMD_CRRD) {
1069 		unsigned int sbi_offset = (vgpu_vreg_t(vgpu, SBI_ADDR) &
1070 				SBI_ADDR_OFFSET_MASK) >> SBI_ADDR_OFFSET_SHIFT;
1071 		vgpu_vreg(vgpu, offset) = read_virtual_sbi_register(vgpu,
1072 				sbi_offset);
1073 	}
1074 	read_vreg(vgpu, offset, p_data, bytes);
1075 	return 0;
1076 }
1077 
1078 static int sbi_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1079 		void *p_data, unsigned int bytes)
1080 {
1081 	u32 data;
1082 
1083 	write_vreg(vgpu, offset, p_data, bytes);
1084 	data = vgpu_vreg(vgpu, offset);
1085 
1086 	data &= ~(SBI_STAT_MASK << SBI_STAT_SHIFT);
1087 	data |= SBI_READY;
1088 
1089 	data &= ~(SBI_RESPONSE_MASK << SBI_RESPONSE_SHIFT);
1090 	data |= SBI_RESPONSE_SUCCESS;
1091 
1092 	vgpu_vreg(vgpu, offset) = data;
1093 
1094 	if (((vgpu_vreg_t(vgpu, SBI_CTL_STAT) & SBI_OPCODE_MASK) >>
1095 				SBI_OPCODE_SHIFT) == SBI_CMD_CRWR) {
1096 		unsigned int sbi_offset = (vgpu_vreg_t(vgpu, SBI_ADDR) &
1097 				SBI_ADDR_OFFSET_MASK) >> SBI_ADDR_OFFSET_SHIFT;
1098 
1099 		write_virtual_sbi_register(vgpu, sbi_offset,
1100 					   vgpu_vreg_t(vgpu, SBI_DATA));
1101 	}
1102 	return 0;
1103 }
1104 
1105 #define _vgtif_reg(x) \
1106 	(VGT_PVINFO_PAGE + offsetof(struct vgt_if, x))
1107 
1108 static int pvinfo_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
1109 		void *p_data, unsigned int bytes)
1110 {
1111 	bool invalid_read = false;
1112 
1113 	read_vreg(vgpu, offset, p_data, bytes);
1114 
1115 	switch (offset) {
1116 	case _vgtif_reg(magic) ... _vgtif_reg(vgt_id):
1117 		if (offset + bytes > _vgtif_reg(vgt_id) + 4)
1118 			invalid_read = true;
1119 		break;
1120 	case _vgtif_reg(avail_rs.mappable_gmadr.base) ...
1121 		_vgtif_reg(avail_rs.fence_num):
1122 		if (offset + bytes >
1123 			_vgtif_reg(avail_rs.fence_num) + 4)
1124 			invalid_read = true;
1125 		break;
1126 	case 0x78010:	/* vgt_caps */
1127 	case 0x7881c:
1128 		break;
1129 	default:
1130 		invalid_read = true;
1131 		break;
1132 	}
1133 	if (invalid_read)
1134 		gvt_vgpu_err("invalid pvinfo read: [%x:%x] = %x\n",
1135 				offset, bytes, *(u32 *)p_data);
1136 	vgpu->pv_notified = true;
1137 	return 0;
1138 }
1139 
1140 static int handle_g2v_notification(struct intel_vgpu *vgpu, int notification)
1141 {
1142 	int ret = 0;
1143 
1144 	switch (notification) {
1145 	case VGT_G2V_PPGTT_L3_PAGE_TABLE_CREATE:
1146 		ret = intel_vgpu_g2v_create_ppgtt_mm(vgpu, 3);
1147 		break;
1148 	case VGT_G2V_PPGTT_L3_PAGE_TABLE_DESTROY:
1149 		ret = intel_vgpu_g2v_destroy_ppgtt_mm(vgpu, 3);
1150 		break;
1151 	case VGT_G2V_PPGTT_L4_PAGE_TABLE_CREATE:
1152 		ret = intel_vgpu_g2v_create_ppgtt_mm(vgpu, 4);
1153 		break;
1154 	case VGT_G2V_PPGTT_L4_PAGE_TABLE_DESTROY:
1155 		ret = intel_vgpu_g2v_destroy_ppgtt_mm(vgpu, 4);
1156 		break;
1157 	case VGT_G2V_EXECLIST_CONTEXT_CREATE:
1158 	case VGT_G2V_EXECLIST_CONTEXT_DESTROY:
1159 	case 1:	/* Remove this in guest driver. */
1160 		break;
1161 	default:
1162 		gvt_vgpu_err("Invalid PV notification %d\n", notification);
1163 	}
1164 	return ret;
1165 }
1166 
1167 static int send_display_ready_uevent(struct intel_vgpu *vgpu, int ready)
1168 {
1169 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
1170 	struct kobject *kobj = &dev_priv->drm.primary->kdev->kobj;
1171 	char *env[3] = {NULL, NULL, NULL};
1172 	char vmid_str[20];
1173 	char display_ready_str[20];
1174 
1175 	snprintf(display_ready_str, 20, "GVT_DISPLAY_READY=%d", ready);
1176 	env[0] = display_ready_str;
1177 
1178 	snprintf(vmid_str, 20, "VMID=%d", vgpu->id);
1179 	env[1] = vmid_str;
1180 
1181 	return kobject_uevent_env(kobj, KOBJ_ADD, env);
1182 }
1183 
1184 static int pvinfo_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1185 		void *p_data, unsigned int bytes)
1186 {
1187 	u32 data;
1188 	int ret;
1189 
1190 	write_vreg(vgpu, offset, p_data, bytes);
1191 	data = vgpu_vreg(vgpu, offset);
1192 
1193 	switch (offset) {
1194 	case _vgtif_reg(display_ready):
1195 		send_display_ready_uevent(vgpu, data ? 1 : 0);
1196 		break;
1197 	case _vgtif_reg(g2v_notify):
1198 		ret = handle_g2v_notification(vgpu, data);
1199 		break;
1200 	/* add xhot and yhot to handled list to avoid error log */
1201 	case 0x78830:
1202 	case 0x78834:
1203 	case _vgtif_reg(pdp[0].lo):
1204 	case _vgtif_reg(pdp[0].hi):
1205 	case _vgtif_reg(pdp[1].lo):
1206 	case _vgtif_reg(pdp[1].hi):
1207 	case _vgtif_reg(pdp[2].lo):
1208 	case _vgtif_reg(pdp[2].hi):
1209 	case _vgtif_reg(pdp[3].lo):
1210 	case _vgtif_reg(pdp[3].hi):
1211 	case _vgtif_reg(execlist_context_descriptor_lo):
1212 	case _vgtif_reg(execlist_context_descriptor_hi):
1213 		break;
1214 	case _vgtif_reg(rsv5[0])..._vgtif_reg(rsv5[3]):
1215 		enter_failsafe_mode(vgpu, GVT_FAILSAFE_INSUFFICIENT_RESOURCE);
1216 		break;
1217 	default:
1218 		gvt_vgpu_err("invalid pvinfo write offset %x bytes %x data %x\n",
1219 				offset, bytes, data);
1220 		break;
1221 	}
1222 	return 0;
1223 }
1224 
1225 static int pf_write(struct intel_vgpu *vgpu,
1226 		unsigned int offset, void *p_data, unsigned int bytes)
1227 {
1228 	u32 val = *(u32 *)p_data;
1229 
1230 	if ((offset == _PS_1A_CTRL || offset == _PS_2A_CTRL ||
1231 	   offset == _PS_1B_CTRL || offset == _PS_2B_CTRL ||
1232 	   offset == _PS_1C_CTRL) && (val & PS_PLANE_SEL_MASK) != 0) {
1233 		WARN_ONCE(true, "VM(%d): guest is trying to scaling a plane\n",
1234 			  vgpu->id);
1235 		return 0;
1236 	}
1237 
1238 	return intel_vgpu_default_mmio_write(vgpu, offset, p_data, bytes);
1239 }
1240 
1241 static int power_well_ctl_mmio_write(struct intel_vgpu *vgpu,
1242 		unsigned int offset, void *p_data, unsigned int bytes)
1243 {
1244 	write_vreg(vgpu, offset, p_data, bytes);
1245 
1246 	if (vgpu_vreg(vgpu, offset) & HSW_PWR_WELL_CTL_REQ(HSW_DISP_PW_GLOBAL))
1247 		vgpu_vreg(vgpu, offset) |=
1248 			HSW_PWR_WELL_CTL_STATE(HSW_DISP_PW_GLOBAL);
1249 	else
1250 		vgpu_vreg(vgpu, offset) &=
1251 			~HSW_PWR_WELL_CTL_STATE(HSW_DISP_PW_GLOBAL);
1252 	return 0;
1253 }
1254 
1255 static int fpga_dbg_mmio_write(struct intel_vgpu *vgpu,
1256 	unsigned int offset, void *p_data, unsigned int bytes)
1257 {
1258 	write_vreg(vgpu, offset, p_data, bytes);
1259 
1260 	if (vgpu_vreg(vgpu, offset) & FPGA_DBG_RM_NOCLAIM)
1261 		vgpu_vreg(vgpu, offset) &= ~FPGA_DBG_RM_NOCLAIM;
1262 	return 0;
1263 }
1264 
1265 static int dma_ctrl_write(struct intel_vgpu *vgpu, unsigned int offset,
1266 		void *p_data, unsigned int bytes)
1267 {
1268 	u32 mode;
1269 
1270 	write_vreg(vgpu, offset, p_data, bytes);
1271 	mode = vgpu_vreg(vgpu, offset);
1272 
1273 	if (GFX_MODE_BIT_SET_IN_MASK(mode, START_DMA)) {
1274 		WARN_ONCE(1, "VM(%d): iGVT-g doesn't support GuC\n",
1275 				vgpu->id);
1276 		return 0;
1277 	}
1278 
1279 	return 0;
1280 }
1281 
1282 static int gen9_trtte_write(struct intel_vgpu *vgpu, unsigned int offset,
1283 		void *p_data, unsigned int bytes)
1284 {
1285 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
1286 	u32 trtte = *(u32 *)p_data;
1287 
1288 	if ((trtte & 1) && (trtte & (1 << 1)) == 0) {
1289 		WARN(1, "VM(%d): Use physical address for TRTT!\n",
1290 				vgpu->id);
1291 		return -EINVAL;
1292 	}
1293 	write_vreg(vgpu, offset, p_data, bytes);
1294 	/* TRTTE is not per-context */
1295 
1296 	mmio_hw_access_pre(dev_priv);
1297 	I915_WRITE(_MMIO(offset), vgpu_vreg(vgpu, offset));
1298 	mmio_hw_access_post(dev_priv);
1299 
1300 	return 0;
1301 }
1302 
1303 static int gen9_trtt_chicken_write(struct intel_vgpu *vgpu, unsigned int offset,
1304 		void *p_data, unsigned int bytes)
1305 {
1306 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
1307 	u32 val = *(u32 *)p_data;
1308 
1309 	if (val & 1) {
1310 		/* unblock hw logic */
1311 		mmio_hw_access_pre(dev_priv);
1312 		I915_WRITE(_MMIO(offset), val);
1313 		mmio_hw_access_post(dev_priv);
1314 	}
1315 	write_vreg(vgpu, offset, p_data, bytes);
1316 	return 0;
1317 }
1318 
1319 static int dpll_status_read(struct intel_vgpu *vgpu, unsigned int offset,
1320 		void *p_data, unsigned int bytes)
1321 {
1322 	u32 v = 0;
1323 
1324 	if (vgpu_vreg(vgpu, 0x46010) & (1 << 31))
1325 		v |= (1 << 0);
1326 
1327 	if (vgpu_vreg(vgpu, 0x46014) & (1 << 31))
1328 		v |= (1 << 8);
1329 
1330 	if (vgpu_vreg(vgpu, 0x46040) & (1 << 31))
1331 		v |= (1 << 16);
1332 
1333 	if (vgpu_vreg(vgpu, 0x46060) & (1 << 31))
1334 		v |= (1 << 24);
1335 
1336 	vgpu_vreg(vgpu, offset) = v;
1337 
1338 	return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
1339 }
1340 
1341 static int mailbox_write(struct intel_vgpu *vgpu, unsigned int offset,
1342 		void *p_data, unsigned int bytes)
1343 {
1344 	u32 value = *(u32 *)p_data;
1345 	u32 cmd = value & 0xff;
1346 	u32 *data0 = &vgpu_vreg_t(vgpu, GEN6_PCODE_DATA);
1347 
1348 	switch (cmd) {
1349 	case GEN9_PCODE_READ_MEM_LATENCY:
1350 		if (IS_SKYLAKE(vgpu->gvt->dev_priv)
1351 			 || IS_KABYLAKE(vgpu->gvt->dev_priv)) {
1352 			/**
1353 			 * "Read memory latency" command on gen9.
1354 			 * Below memory latency values are read
1355 			 * from skylake platform.
1356 			 */
1357 			if (!*data0)
1358 				*data0 = 0x1e1a1100;
1359 			else
1360 				*data0 = 0x61514b3d;
1361 		}
1362 		break;
1363 	case SKL_PCODE_CDCLK_CONTROL:
1364 		if (IS_SKYLAKE(vgpu->gvt->dev_priv)
1365 			 || IS_KABYLAKE(vgpu->gvt->dev_priv))
1366 			*data0 = SKL_CDCLK_READY_FOR_CHANGE;
1367 		break;
1368 	case GEN6_PCODE_READ_RC6VIDS:
1369 		*data0 |= 0x1;
1370 		break;
1371 	}
1372 
1373 	gvt_dbg_core("VM(%d) write %x to mailbox, return data0 %x\n",
1374 		     vgpu->id, value, *data0);
1375 	/**
1376 	 * PCODE_READY clear means ready for pcode read/write,
1377 	 * PCODE_ERROR_MASK clear means no error happened. In GVT-g we
1378 	 * always emulate as pcode read/write success and ready for access
1379 	 * anytime, since we don't touch real physical registers here.
1380 	 */
1381 	value &= ~(GEN6_PCODE_READY | GEN6_PCODE_ERROR_MASK);
1382 	return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes);
1383 }
1384 
1385 static int hws_pga_write(struct intel_vgpu *vgpu, unsigned int offset,
1386 		void *p_data, unsigned int bytes)
1387 {
1388 	u32 value = *(u32 *)p_data;
1389 	int ring_id = intel_gvt_render_mmio_to_ring_id(vgpu->gvt, offset);
1390 
1391 	if (!intel_gvt_ggtt_validate_range(vgpu, value, I915_GTT_PAGE_SIZE)) {
1392 		gvt_vgpu_err("VM(%d) write invalid HWSP address, reg:0x%x, value:0x%x\n",
1393 			      vgpu->id, offset, value);
1394 		return -EINVAL;
1395 	}
1396 	/*
1397 	 * Need to emulate all the HWSP register write to ensure host can
1398 	 * update the VM CSB status correctly. Here listed registers can
1399 	 * support BDW, SKL or other platforms with same HWSP registers.
1400 	 */
1401 	if (unlikely(ring_id < 0 || ring_id >= I915_NUM_ENGINES)) {
1402 		gvt_vgpu_err("VM(%d) access unknown hardware status page register:0x%x\n",
1403 			     vgpu->id, offset);
1404 		return -EINVAL;
1405 	}
1406 	vgpu->hws_pga[ring_id] = value;
1407 	gvt_dbg_mmio("VM(%d) write: 0x%x to HWSP: 0x%x\n",
1408 		     vgpu->id, value, offset);
1409 
1410 	return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes);
1411 }
1412 
1413 static int skl_power_well_ctl_write(struct intel_vgpu *vgpu,
1414 		unsigned int offset, void *p_data, unsigned int bytes)
1415 {
1416 	u32 v = *(u32 *)p_data;
1417 
1418 	v &= (1 << 31) | (1 << 29) | (1 << 9) |
1419 	     (1 << 7) | (1 << 5) | (1 << 3) | (1 << 1);
1420 	v |= (v >> 1);
1421 
1422 	return intel_vgpu_default_mmio_write(vgpu, offset, &v, bytes);
1423 }
1424 
1425 static int skl_lcpll_write(struct intel_vgpu *vgpu, unsigned int offset,
1426 		void *p_data, unsigned int bytes)
1427 {
1428 	u32 v = *(u32 *)p_data;
1429 
1430 	/* other bits are MBZ. */
1431 	v &= (1 << 31) | (1 << 30);
1432 	v & (1 << 31) ? (v |= (1 << 30)) : (v &= ~(1 << 30));
1433 
1434 	vgpu_vreg(vgpu, offset) = v;
1435 
1436 	return 0;
1437 }
1438 
1439 static int mmio_read_from_hw(struct intel_vgpu *vgpu,
1440 		unsigned int offset, void *p_data, unsigned int bytes)
1441 {
1442 	struct intel_gvt *gvt = vgpu->gvt;
1443 	struct drm_i915_private *dev_priv = gvt->dev_priv;
1444 	int ring_id;
1445 	u32 ring_base;
1446 
1447 	ring_id = intel_gvt_render_mmio_to_ring_id(gvt, offset);
1448 	/**
1449 	 * Read HW reg in following case
1450 	 * a. the offset isn't a ring mmio
1451 	 * b. the offset's ring is running on hw.
1452 	 * c. the offset is ring time stamp mmio
1453 	 */
1454 	if (ring_id >= 0)
1455 		ring_base = dev_priv->engine[ring_id]->mmio_base;
1456 
1457 	if (ring_id < 0 || vgpu  == gvt->scheduler.engine_owner[ring_id] ||
1458 	    offset == i915_mmio_reg_offset(RING_TIMESTAMP(ring_base)) ||
1459 	    offset == i915_mmio_reg_offset(RING_TIMESTAMP_UDW(ring_base))) {
1460 		mmio_hw_access_pre(dev_priv);
1461 		vgpu_vreg(vgpu, offset) = I915_READ(_MMIO(offset));
1462 		mmio_hw_access_post(dev_priv);
1463 	}
1464 
1465 	return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
1466 }
1467 
1468 static int elsp_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1469 		void *p_data, unsigned int bytes)
1470 {
1471 	int ring_id = intel_gvt_render_mmio_to_ring_id(vgpu->gvt, offset);
1472 	struct intel_vgpu_execlist *execlist;
1473 	u32 data = *(u32 *)p_data;
1474 	int ret = 0;
1475 
1476 	if (WARN_ON(ring_id < 0 || ring_id >= I915_NUM_ENGINES))
1477 		return -EINVAL;
1478 
1479 	execlist = &vgpu->submission.execlist[ring_id];
1480 
1481 	execlist->elsp_dwords.data[3 - execlist->elsp_dwords.index] = data;
1482 	if (execlist->elsp_dwords.index == 3) {
1483 		ret = intel_vgpu_submit_execlist(vgpu, ring_id);
1484 		if(ret)
1485 			gvt_vgpu_err("fail submit workload on ring %d\n",
1486 				ring_id);
1487 	}
1488 
1489 	++execlist->elsp_dwords.index;
1490 	execlist->elsp_dwords.index &= 0x3;
1491 	return ret;
1492 }
1493 
1494 static int ring_mode_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1495 		void *p_data, unsigned int bytes)
1496 {
1497 	u32 data = *(u32 *)p_data;
1498 	int ring_id = intel_gvt_render_mmio_to_ring_id(vgpu->gvt, offset);
1499 	bool enable_execlist;
1500 	int ret;
1501 
1502 	write_vreg(vgpu, offset, p_data, bytes);
1503 
1504 	/* when PPGTT mode enabled, we will check if guest has called
1505 	 * pvinfo, if not, we will treat this guest as non-gvtg-aware
1506 	 * guest, and stop emulating its cfg space, mmio, gtt, etc.
1507 	 */
1508 	if (((data & _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE)) ||
1509 			(data & _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE)))
1510 			&& !vgpu->pv_notified) {
1511 		enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
1512 		return 0;
1513 	}
1514 	if ((data & _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE))
1515 			|| (data & _MASKED_BIT_DISABLE(GFX_RUN_LIST_ENABLE))) {
1516 		enable_execlist = !!(data & GFX_RUN_LIST_ENABLE);
1517 
1518 		gvt_dbg_core("EXECLIST %s on ring %d\n",
1519 				(enable_execlist ? "enabling" : "disabling"),
1520 				ring_id);
1521 
1522 		if (!enable_execlist)
1523 			return 0;
1524 
1525 		ret = intel_vgpu_select_submission_ops(vgpu,
1526 			       ENGINE_MASK(ring_id),
1527 			       INTEL_VGPU_EXECLIST_SUBMISSION);
1528 		if (ret)
1529 			return ret;
1530 
1531 		intel_vgpu_start_schedule(vgpu);
1532 	}
1533 	return 0;
1534 }
1535 
1536 static int gvt_reg_tlb_control_handler(struct intel_vgpu *vgpu,
1537 		unsigned int offset, void *p_data, unsigned int bytes)
1538 {
1539 	unsigned int id = 0;
1540 
1541 	write_vreg(vgpu, offset, p_data, bytes);
1542 	vgpu_vreg(vgpu, offset) = 0;
1543 
1544 	switch (offset) {
1545 	case 0x4260:
1546 		id = RCS;
1547 		break;
1548 	case 0x4264:
1549 		id = VCS;
1550 		break;
1551 	case 0x4268:
1552 		id = VCS2;
1553 		break;
1554 	case 0x426c:
1555 		id = BCS;
1556 		break;
1557 	case 0x4270:
1558 		id = VECS;
1559 		break;
1560 	default:
1561 		return -EINVAL;
1562 	}
1563 	set_bit(id, (void *)vgpu->submission.tlb_handle_pending);
1564 
1565 	return 0;
1566 }
1567 
1568 static int ring_reset_ctl_write(struct intel_vgpu *vgpu,
1569 	unsigned int offset, void *p_data, unsigned int bytes)
1570 {
1571 	u32 data;
1572 
1573 	write_vreg(vgpu, offset, p_data, bytes);
1574 	data = vgpu_vreg(vgpu, offset);
1575 
1576 	if (data & _MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET))
1577 		data |= RESET_CTL_READY_TO_RESET;
1578 	else if (data & _MASKED_BIT_DISABLE(RESET_CTL_REQUEST_RESET))
1579 		data &= ~RESET_CTL_READY_TO_RESET;
1580 
1581 	vgpu_vreg(vgpu, offset) = data;
1582 	return 0;
1583 }
1584 
1585 #define MMIO_F(reg, s, f, am, rm, d, r, w) do { \
1586 	ret = new_mmio_info(gvt, i915_mmio_reg_offset(reg), \
1587 		f, s, am, rm, d, r, w); \
1588 	if (ret) \
1589 		return ret; \
1590 } while (0)
1591 
1592 #define MMIO_D(reg, d) \
1593 	MMIO_F(reg, 4, 0, 0, 0, d, NULL, NULL)
1594 
1595 #define MMIO_DH(reg, d, r, w) \
1596 	MMIO_F(reg, 4, 0, 0, 0, d, r, w)
1597 
1598 #define MMIO_DFH(reg, d, f, r, w) \
1599 	MMIO_F(reg, 4, f, 0, 0, d, r, w)
1600 
1601 #define MMIO_GM(reg, d, r, w) \
1602 	MMIO_F(reg, 4, F_GMADR, 0xFFFFF000, 0, d, r, w)
1603 
1604 #define MMIO_GM_RDR(reg, d, r, w) \
1605 	MMIO_F(reg, 4, F_GMADR | F_CMD_ACCESS, 0xFFFFF000, 0, d, r, w)
1606 
1607 #define MMIO_RO(reg, d, f, rm, r, w) \
1608 	MMIO_F(reg, 4, F_RO | f, 0, rm, d, r, w)
1609 
1610 #define MMIO_RING_F(prefix, s, f, am, rm, d, r, w) do { \
1611 	MMIO_F(prefix(RENDER_RING_BASE), s, f, am, rm, d, r, w); \
1612 	MMIO_F(prefix(BLT_RING_BASE), s, f, am, rm, d, r, w); \
1613 	MMIO_F(prefix(GEN6_BSD_RING_BASE), s, f, am, rm, d, r, w); \
1614 	MMIO_F(prefix(VEBOX_RING_BASE), s, f, am, rm, d, r, w); \
1615 	if (HAS_BSD2(dev_priv)) \
1616 		MMIO_F(prefix(GEN8_BSD2_RING_BASE), s, f, am, rm, d, r, w); \
1617 } while (0)
1618 
1619 #define MMIO_RING_D(prefix, d) \
1620 	MMIO_RING_F(prefix, 4, 0, 0, 0, d, NULL, NULL)
1621 
1622 #define MMIO_RING_DFH(prefix, d, f, r, w) \
1623 	MMIO_RING_F(prefix, 4, f, 0, 0, d, r, w)
1624 
1625 #define MMIO_RING_GM(prefix, d, r, w) \
1626 	MMIO_RING_F(prefix, 4, F_GMADR, 0xFFFF0000, 0, d, r, w)
1627 
1628 #define MMIO_RING_GM_RDR(prefix, d, r, w) \
1629 	MMIO_RING_F(prefix, 4, F_GMADR | F_CMD_ACCESS, 0xFFFF0000, 0, d, r, w)
1630 
1631 #define MMIO_RING_RO(prefix, d, f, rm, r, w) \
1632 	MMIO_RING_F(prefix, 4, F_RO | f, 0, rm, d, r, w)
1633 
1634 static int init_generic_mmio_info(struct intel_gvt *gvt)
1635 {
1636 	struct drm_i915_private *dev_priv = gvt->dev_priv;
1637 	int ret;
1638 
1639 	MMIO_RING_DFH(RING_IMR, D_ALL, F_CMD_ACCESS, NULL,
1640 		intel_vgpu_reg_imr_handler);
1641 
1642 	MMIO_DFH(SDEIMR, D_ALL, 0, NULL, intel_vgpu_reg_imr_handler);
1643 	MMIO_DFH(SDEIER, D_ALL, 0, NULL, intel_vgpu_reg_ier_handler);
1644 	MMIO_DFH(SDEIIR, D_ALL, 0, NULL, intel_vgpu_reg_iir_handler);
1645 	MMIO_D(SDEISR, D_ALL);
1646 
1647 	MMIO_RING_DFH(RING_HWSTAM, D_ALL, F_CMD_ACCESS, NULL, NULL);
1648 
1649 	MMIO_GM_RDR(RENDER_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1650 	MMIO_GM_RDR(BSD_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1651 	MMIO_GM_RDR(BLT_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1652 	MMIO_GM_RDR(VEBOX_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1653 
1654 #define RING_REG(base) _MMIO((base) + 0x28)
1655 	MMIO_RING_DFH(RING_REG, D_ALL, F_CMD_ACCESS, NULL, NULL);
1656 #undef RING_REG
1657 
1658 #define RING_REG(base) _MMIO((base) + 0x134)
1659 	MMIO_RING_DFH(RING_REG, D_ALL, F_CMD_ACCESS, NULL, NULL);
1660 #undef RING_REG
1661 
1662 #define RING_REG(base) _MMIO((base) + 0x6c)
1663 	MMIO_RING_DFH(RING_REG, D_ALL, 0, mmio_read_from_hw, NULL);
1664 #undef RING_REG
1665 	MMIO_DH(GEN7_SC_INSTDONE, D_BDW_PLUS, mmio_read_from_hw, NULL);
1666 
1667 	MMIO_GM_RDR(_MMIO(0x2148), D_ALL, NULL, NULL);
1668 	MMIO_GM_RDR(CCID, D_ALL, NULL, NULL);
1669 	MMIO_GM_RDR(_MMIO(0x12198), D_ALL, NULL, NULL);
1670 	MMIO_D(GEN7_CXT_SIZE, D_ALL);
1671 
1672 	MMIO_RING_DFH(RING_TAIL, D_ALL, F_CMD_ACCESS, NULL, NULL);
1673 	MMIO_RING_DFH(RING_HEAD, D_ALL, F_CMD_ACCESS, NULL, NULL);
1674 	MMIO_RING_DFH(RING_CTL, D_ALL, F_CMD_ACCESS, NULL, NULL);
1675 	MMIO_RING_DFH(RING_ACTHD, D_ALL, F_CMD_ACCESS, mmio_read_from_hw, NULL);
1676 	MMIO_RING_GM_RDR(RING_START, D_ALL, NULL, NULL);
1677 
1678 	/* RING MODE */
1679 #define RING_REG(base) _MMIO((base) + 0x29c)
1680 	MMIO_RING_DFH(RING_REG, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL,
1681 		ring_mode_mmio_write);
1682 #undef RING_REG
1683 
1684 	MMIO_RING_DFH(RING_MI_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1685 		NULL, NULL);
1686 	MMIO_RING_DFH(RING_INSTPM, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1687 			NULL, NULL);
1688 	MMIO_RING_DFH(RING_TIMESTAMP, D_ALL, F_CMD_ACCESS,
1689 			mmio_read_from_hw, NULL);
1690 	MMIO_RING_DFH(RING_TIMESTAMP_UDW, D_ALL, F_CMD_ACCESS,
1691 			mmio_read_from_hw, NULL);
1692 
1693 	MMIO_DFH(GEN7_GT_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1694 	MMIO_DFH(CACHE_MODE_0_GEN7, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1695 		NULL, NULL);
1696 	MMIO_DFH(CACHE_MODE_1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1697 	MMIO_DFH(CACHE_MODE_0, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1698 	MMIO_DFH(_MMIO(0x2124), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1699 
1700 	MMIO_DFH(_MMIO(0x20dc), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1701 	MMIO_DFH(_3D_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1702 	MMIO_DFH(_MMIO(0x2088), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1703 	MMIO_DFH(_MMIO(0x20e4), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1704 	MMIO_DFH(_MMIO(0x2470), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1705 	MMIO_DFH(GAM_ECOCHK, D_ALL, F_CMD_ACCESS, NULL, NULL);
1706 	MMIO_DFH(GEN7_COMMON_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1707 		NULL, NULL);
1708 	MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1709 		 NULL, NULL);
1710 	MMIO_DFH(_MMIO(0x9030), D_ALL, F_CMD_ACCESS, NULL, NULL);
1711 	MMIO_DFH(_MMIO(0x20a0), D_ALL, F_CMD_ACCESS, NULL, NULL);
1712 	MMIO_DFH(_MMIO(0x2420), D_ALL, F_CMD_ACCESS, NULL, NULL);
1713 	MMIO_DFH(_MMIO(0x2430), D_ALL, F_CMD_ACCESS, NULL, NULL);
1714 	MMIO_DFH(_MMIO(0x2434), D_ALL, F_CMD_ACCESS, NULL, NULL);
1715 	MMIO_DFH(_MMIO(0x2438), D_ALL, F_CMD_ACCESS, NULL, NULL);
1716 	MMIO_DFH(_MMIO(0x243c), D_ALL, F_CMD_ACCESS, NULL, NULL);
1717 	MMIO_DFH(_MMIO(0x7018), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1718 	MMIO_DFH(HALF_SLICE_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1719 	MMIO_DFH(GEN7_HALF_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1720 
1721 	/* display */
1722 	MMIO_F(_MMIO(0x60220), 0x20, 0, 0, 0, D_ALL, NULL, NULL);
1723 	MMIO_D(_MMIO(0x602a0), D_ALL);
1724 
1725 	MMIO_D(_MMIO(0x65050), D_ALL);
1726 	MMIO_D(_MMIO(0x650b4), D_ALL);
1727 
1728 	MMIO_D(_MMIO(0xc4040), D_ALL);
1729 	MMIO_D(DERRMR, D_ALL);
1730 
1731 	MMIO_D(PIPEDSL(PIPE_A), D_ALL);
1732 	MMIO_D(PIPEDSL(PIPE_B), D_ALL);
1733 	MMIO_D(PIPEDSL(PIPE_C), D_ALL);
1734 	MMIO_D(PIPEDSL(_PIPE_EDP), D_ALL);
1735 
1736 	MMIO_DH(PIPECONF(PIPE_A), D_ALL, NULL, pipeconf_mmio_write);
1737 	MMIO_DH(PIPECONF(PIPE_B), D_ALL, NULL, pipeconf_mmio_write);
1738 	MMIO_DH(PIPECONF(PIPE_C), D_ALL, NULL, pipeconf_mmio_write);
1739 	MMIO_DH(PIPECONF(_PIPE_EDP), D_ALL, NULL, pipeconf_mmio_write);
1740 
1741 	MMIO_D(PIPESTAT(PIPE_A), D_ALL);
1742 	MMIO_D(PIPESTAT(PIPE_B), D_ALL);
1743 	MMIO_D(PIPESTAT(PIPE_C), D_ALL);
1744 	MMIO_D(PIPESTAT(_PIPE_EDP), D_ALL);
1745 
1746 	MMIO_D(PIPE_FLIPCOUNT_G4X(PIPE_A), D_ALL);
1747 	MMIO_D(PIPE_FLIPCOUNT_G4X(PIPE_B), D_ALL);
1748 	MMIO_D(PIPE_FLIPCOUNT_G4X(PIPE_C), D_ALL);
1749 	MMIO_D(PIPE_FLIPCOUNT_G4X(_PIPE_EDP), D_ALL);
1750 
1751 	MMIO_D(PIPE_FRMCOUNT_G4X(PIPE_A), D_ALL);
1752 	MMIO_D(PIPE_FRMCOUNT_G4X(PIPE_B), D_ALL);
1753 	MMIO_D(PIPE_FRMCOUNT_G4X(PIPE_C), D_ALL);
1754 	MMIO_D(PIPE_FRMCOUNT_G4X(_PIPE_EDP), D_ALL);
1755 
1756 	MMIO_D(CURCNTR(PIPE_A), D_ALL);
1757 	MMIO_D(CURCNTR(PIPE_B), D_ALL);
1758 	MMIO_D(CURCNTR(PIPE_C), D_ALL);
1759 
1760 	MMIO_D(CURPOS(PIPE_A), D_ALL);
1761 	MMIO_D(CURPOS(PIPE_B), D_ALL);
1762 	MMIO_D(CURPOS(PIPE_C), D_ALL);
1763 
1764 	MMIO_D(CURBASE(PIPE_A), D_ALL);
1765 	MMIO_D(CURBASE(PIPE_B), D_ALL);
1766 	MMIO_D(CURBASE(PIPE_C), D_ALL);
1767 
1768 	MMIO_D(_MMIO(0x700ac), D_ALL);
1769 	MMIO_D(_MMIO(0x710ac), D_ALL);
1770 	MMIO_D(_MMIO(0x720ac), D_ALL);
1771 
1772 	MMIO_D(_MMIO(0x70090), D_ALL);
1773 	MMIO_D(_MMIO(0x70094), D_ALL);
1774 	MMIO_D(_MMIO(0x70098), D_ALL);
1775 	MMIO_D(_MMIO(0x7009c), D_ALL);
1776 
1777 	MMIO_D(DSPCNTR(PIPE_A), D_ALL);
1778 	MMIO_D(DSPADDR(PIPE_A), D_ALL);
1779 	MMIO_D(DSPSTRIDE(PIPE_A), D_ALL);
1780 	MMIO_D(DSPPOS(PIPE_A), D_ALL);
1781 	MMIO_D(DSPSIZE(PIPE_A), D_ALL);
1782 	MMIO_DH(DSPSURF(PIPE_A), D_ALL, NULL, pri_surf_mmio_write);
1783 	MMIO_D(DSPOFFSET(PIPE_A), D_ALL);
1784 	MMIO_D(DSPSURFLIVE(PIPE_A), D_ALL);
1785 
1786 	MMIO_D(DSPCNTR(PIPE_B), D_ALL);
1787 	MMIO_D(DSPADDR(PIPE_B), D_ALL);
1788 	MMIO_D(DSPSTRIDE(PIPE_B), D_ALL);
1789 	MMIO_D(DSPPOS(PIPE_B), D_ALL);
1790 	MMIO_D(DSPSIZE(PIPE_B), D_ALL);
1791 	MMIO_DH(DSPSURF(PIPE_B), D_ALL, NULL, pri_surf_mmio_write);
1792 	MMIO_D(DSPOFFSET(PIPE_B), D_ALL);
1793 	MMIO_D(DSPSURFLIVE(PIPE_B), D_ALL);
1794 
1795 	MMIO_D(DSPCNTR(PIPE_C), D_ALL);
1796 	MMIO_D(DSPADDR(PIPE_C), D_ALL);
1797 	MMIO_D(DSPSTRIDE(PIPE_C), D_ALL);
1798 	MMIO_D(DSPPOS(PIPE_C), D_ALL);
1799 	MMIO_D(DSPSIZE(PIPE_C), D_ALL);
1800 	MMIO_DH(DSPSURF(PIPE_C), D_ALL, NULL, pri_surf_mmio_write);
1801 	MMIO_D(DSPOFFSET(PIPE_C), D_ALL);
1802 	MMIO_D(DSPSURFLIVE(PIPE_C), D_ALL);
1803 
1804 	MMIO_D(SPRCTL(PIPE_A), D_ALL);
1805 	MMIO_D(SPRLINOFF(PIPE_A), D_ALL);
1806 	MMIO_D(SPRSTRIDE(PIPE_A), D_ALL);
1807 	MMIO_D(SPRPOS(PIPE_A), D_ALL);
1808 	MMIO_D(SPRSIZE(PIPE_A), D_ALL);
1809 	MMIO_D(SPRKEYVAL(PIPE_A), D_ALL);
1810 	MMIO_D(SPRKEYMSK(PIPE_A), D_ALL);
1811 	MMIO_DH(SPRSURF(PIPE_A), D_ALL, NULL, spr_surf_mmio_write);
1812 	MMIO_D(SPRKEYMAX(PIPE_A), D_ALL);
1813 	MMIO_D(SPROFFSET(PIPE_A), D_ALL);
1814 	MMIO_D(SPRSCALE(PIPE_A), D_ALL);
1815 	MMIO_D(SPRSURFLIVE(PIPE_A), D_ALL);
1816 
1817 	MMIO_D(SPRCTL(PIPE_B), D_ALL);
1818 	MMIO_D(SPRLINOFF(PIPE_B), D_ALL);
1819 	MMIO_D(SPRSTRIDE(PIPE_B), D_ALL);
1820 	MMIO_D(SPRPOS(PIPE_B), D_ALL);
1821 	MMIO_D(SPRSIZE(PIPE_B), D_ALL);
1822 	MMIO_D(SPRKEYVAL(PIPE_B), D_ALL);
1823 	MMIO_D(SPRKEYMSK(PIPE_B), D_ALL);
1824 	MMIO_DH(SPRSURF(PIPE_B), D_ALL, NULL, spr_surf_mmio_write);
1825 	MMIO_D(SPRKEYMAX(PIPE_B), D_ALL);
1826 	MMIO_D(SPROFFSET(PIPE_B), D_ALL);
1827 	MMIO_D(SPRSCALE(PIPE_B), D_ALL);
1828 	MMIO_D(SPRSURFLIVE(PIPE_B), D_ALL);
1829 
1830 	MMIO_D(SPRCTL(PIPE_C), D_ALL);
1831 	MMIO_D(SPRLINOFF(PIPE_C), D_ALL);
1832 	MMIO_D(SPRSTRIDE(PIPE_C), D_ALL);
1833 	MMIO_D(SPRPOS(PIPE_C), D_ALL);
1834 	MMIO_D(SPRSIZE(PIPE_C), D_ALL);
1835 	MMIO_D(SPRKEYVAL(PIPE_C), D_ALL);
1836 	MMIO_D(SPRKEYMSK(PIPE_C), D_ALL);
1837 	MMIO_DH(SPRSURF(PIPE_C), D_ALL, NULL, spr_surf_mmio_write);
1838 	MMIO_D(SPRKEYMAX(PIPE_C), D_ALL);
1839 	MMIO_D(SPROFFSET(PIPE_C), D_ALL);
1840 	MMIO_D(SPRSCALE(PIPE_C), D_ALL);
1841 	MMIO_D(SPRSURFLIVE(PIPE_C), D_ALL);
1842 
1843 	MMIO_D(HTOTAL(TRANSCODER_A), D_ALL);
1844 	MMIO_D(HBLANK(TRANSCODER_A), D_ALL);
1845 	MMIO_D(HSYNC(TRANSCODER_A), D_ALL);
1846 	MMIO_D(VTOTAL(TRANSCODER_A), D_ALL);
1847 	MMIO_D(VBLANK(TRANSCODER_A), D_ALL);
1848 	MMIO_D(VSYNC(TRANSCODER_A), D_ALL);
1849 	MMIO_D(BCLRPAT(TRANSCODER_A), D_ALL);
1850 	MMIO_D(VSYNCSHIFT(TRANSCODER_A), D_ALL);
1851 	MMIO_D(PIPESRC(TRANSCODER_A), D_ALL);
1852 
1853 	MMIO_D(HTOTAL(TRANSCODER_B), D_ALL);
1854 	MMIO_D(HBLANK(TRANSCODER_B), D_ALL);
1855 	MMIO_D(HSYNC(TRANSCODER_B), D_ALL);
1856 	MMIO_D(VTOTAL(TRANSCODER_B), D_ALL);
1857 	MMIO_D(VBLANK(TRANSCODER_B), D_ALL);
1858 	MMIO_D(VSYNC(TRANSCODER_B), D_ALL);
1859 	MMIO_D(BCLRPAT(TRANSCODER_B), D_ALL);
1860 	MMIO_D(VSYNCSHIFT(TRANSCODER_B), D_ALL);
1861 	MMIO_D(PIPESRC(TRANSCODER_B), D_ALL);
1862 
1863 	MMIO_D(HTOTAL(TRANSCODER_C), D_ALL);
1864 	MMIO_D(HBLANK(TRANSCODER_C), D_ALL);
1865 	MMIO_D(HSYNC(TRANSCODER_C), D_ALL);
1866 	MMIO_D(VTOTAL(TRANSCODER_C), D_ALL);
1867 	MMIO_D(VBLANK(TRANSCODER_C), D_ALL);
1868 	MMIO_D(VSYNC(TRANSCODER_C), D_ALL);
1869 	MMIO_D(BCLRPAT(TRANSCODER_C), D_ALL);
1870 	MMIO_D(VSYNCSHIFT(TRANSCODER_C), D_ALL);
1871 	MMIO_D(PIPESRC(TRANSCODER_C), D_ALL);
1872 
1873 	MMIO_D(HTOTAL(TRANSCODER_EDP), D_ALL);
1874 	MMIO_D(HBLANK(TRANSCODER_EDP), D_ALL);
1875 	MMIO_D(HSYNC(TRANSCODER_EDP), D_ALL);
1876 	MMIO_D(VTOTAL(TRANSCODER_EDP), D_ALL);
1877 	MMIO_D(VBLANK(TRANSCODER_EDP), D_ALL);
1878 	MMIO_D(VSYNC(TRANSCODER_EDP), D_ALL);
1879 	MMIO_D(BCLRPAT(TRANSCODER_EDP), D_ALL);
1880 	MMIO_D(VSYNCSHIFT(TRANSCODER_EDP), D_ALL);
1881 
1882 	MMIO_D(PIPE_DATA_M1(TRANSCODER_A), D_ALL);
1883 	MMIO_D(PIPE_DATA_N1(TRANSCODER_A), D_ALL);
1884 	MMIO_D(PIPE_DATA_M2(TRANSCODER_A), D_ALL);
1885 	MMIO_D(PIPE_DATA_N2(TRANSCODER_A), D_ALL);
1886 	MMIO_D(PIPE_LINK_M1(TRANSCODER_A), D_ALL);
1887 	MMIO_D(PIPE_LINK_N1(TRANSCODER_A), D_ALL);
1888 	MMIO_D(PIPE_LINK_M2(TRANSCODER_A), D_ALL);
1889 	MMIO_D(PIPE_LINK_N2(TRANSCODER_A), D_ALL);
1890 
1891 	MMIO_D(PIPE_DATA_M1(TRANSCODER_B), D_ALL);
1892 	MMIO_D(PIPE_DATA_N1(TRANSCODER_B), D_ALL);
1893 	MMIO_D(PIPE_DATA_M2(TRANSCODER_B), D_ALL);
1894 	MMIO_D(PIPE_DATA_N2(TRANSCODER_B), D_ALL);
1895 	MMIO_D(PIPE_LINK_M1(TRANSCODER_B), D_ALL);
1896 	MMIO_D(PIPE_LINK_N1(TRANSCODER_B), D_ALL);
1897 	MMIO_D(PIPE_LINK_M2(TRANSCODER_B), D_ALL);
1898 	MMIO_D(PIPE_LINK_N2(TRANSCODER_B), D_ALL);
1899 
1900 	MMIO_D(PIPE_DATA_M1(TRANSCODER_C), D_ALL);
1901 	MMIO_D(PIPE_DATA_N1(TRANSCODER_C), D_ALL);
1902 	MMIO_D(PIPE_DATA_M2(TRANSCODER_C), D_ALL);
1903 	MMIO_D(PIPE_DATA_N2(TRANSCODER_C), D_ALL);
1904 	MMIO_D(PIPE_LINK_M1(TRANSCODER_C), D_ALL);
1905 	MMIO_D(PIPE_LINK_N1(TRANSCODER_C), D_ALL);
1906 	MMIO_D(PIPE_LINK_M2(TRANSCODER_C), D_ALL);
1907 	MMIO_D(PIPE_LINK_N2(TRANSCODER_C), D_ALL);
1908 
1909 	MMIO_D(PIPE_DATA_M1(TRANSCODER_EDP), D_ALL);
1910 	MMIO_D(PIPE_DATA_N1(TRANSCODER_EDP), D_ALL);
1911 	MMIO_D(PIPE_DATA_M2(TRANSCODER_EDP), D_ALL);
1912 	MMIO_D(PIPE_DATA_N2(TRANSCODER_EDP), D_ALL);
1913 	MMIO_D(PIPE_LINK_M1(TRANSCODER_EDP), D_ALL);
1914 	MMIO_D(PIPE_LINK_N1(TRANSCODER_EDP), D_ALL);
1915 	MMIO_D(PIPE_LINK_M2(TRANSCODER_EDP), D_ALL);
1916 	MMIO_D(PIPE_LINK_N2(TRANSCODER_EDP), D_ALL);
1917 
1918 	MMIO_D(PF_CTL(PIPE_A), D_ALL);
1919 	MMIO_D(PF_WIN_SZ(PIPE_A), D_ALL);
1920 	MMIO_D(PF_WIN_POS(PIPE_A), D_ALL);
1921 	MMIO_D(PF_VSCALE(PIPE_A), D_ALL);
1922 	MMIO_D(PF_HSCALE(PIPE_A), D_ALL);
1923 
1924 	MMIO_D(PF_CTL(PIPE_B), D_ALL);
1925 	MMIO_D(PF_WIN_SZ(PIPE_B), D_ALL);
1926 	MMIO_D(PF_WIN_POS(PIPE_B), D_ALL);
1927 	MMIO_D(PF_VSCALE(PIPE_B), D_ALL);
1928 	MMIO_D(PF_HSCALE(PIPE_B), D_ALL);
1929 
1930 	MMIO_D(PF_CTL(PIPE_C), D_ALL);
1931 	MMIO_D(PF_WIN_SZ(PIPE_C), D_ALL);
1932 	MMIO_D(PF_WIN_POS(PIPE_C), D_ALL);
1933 	MMIO_D(PF_VSCALE(PIPE_C), D_ALL);
1934 	MMIO_D(PF_HSCALE(PIPE_C), D_ALL);
1935 
1936 	MMIO_D(WM0_PIPEA_ILK, D_ALL);
1937 	MMIO_D(WM0_PIPEB_ILK, D_ALL);
1938 	MMIO_D(WM0_PIPEC_IVB, D_ALL);
1939 	MMIO_D(WM1_LP_ILK, D_ALL);
1940 	MMIO_D(WM2_LP_ILK, D_ALL);
1941 	MMIO_D(WM3_LP_ILK, D_ALL);
1942 	MMIO_D(WM1S_LP_ILK, D_ALL);
1943 	MMIO_D(WM2S_LP_IVB, D_ALL);
1944 	MMIO_D(WM3S_LP_IVB, D_ALL);
1945 
1946 	MMIO_D(BLC_PWM_CPU_CTL2, D_ALL);
1947 	MMIO_D(BLC_PWM_CPU_CTL, D_ALL);
1948 	MMIO_D(BLC_PWM_PCH_CTL1, D_ALL);
1949 	MMIO_D(BLC_PWM_PCH_CTL2, D_ALL);
1950 
1951 	MMIO_D(_MMIO(0x48268), D_ALL);
1952 
1953 	MMIO_F(PCH_GMBUS0, 4 * 4, 0, 0, 0, D_ALL, gmbus_mmio_read,
1954 		gmbus_mmio_write);
1955 	MMIO_F(PCH_GPIOA, 6 * 4, F_UNALIGN, 0, 0, D_ALL, NULL, NULL);
1956 	MMIO_F(_MMIO(0xe4f00), 0x28, 0, 0, 0, D_ALL, NULL, NULL);
1957 
1958 	MMIO_F(_MMIO(_PCH_DPB_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
1959 		dp_aux_ch_ctl_mmio_write);
1960 	MMIO_F(_MMIO(_PCH_DPC_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
1961 		dp_aux_ch_ctl_mmio_write);
1962 	MMIO_F(_MMIO(_PCH_DPD_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
1963 		dp_aux_ch_ctl_mmio_write);
1964 
1965 	MMIO_DH(PCH_ADPA, D_PRE_SKL, NULL, pch_adpa_mmio_write);
1966 
1967 	MMIO_DH(_MMIO(_PCH_TRANSACONF), D_ALL, NULL, transconf_mmio_write);
1968 	MMIO_DH(_MMIO(_PCH_TRANSBCONF), D_ALL, NULL, transconf_mmio_write);
1969 
1970 	MMIO_DH(FDI_RX_IIR(PIPE_A), D_ALL, NULL, fdi_rx_iir_mmio_write);
1971 	MMIO_DH(FDI_RX_IIR(PIPE_B), D_ALL, NULL, fdi_rx_iir_mmio_write);
1972 	MMIO_DH(FDI_RX_IIR(PIPE_C), D_ALL, NULL, fdi_rx_iir_mmio_write);
1973 	MMIO_DH(FDI_RX_IMR(PIPE_A), D_ALL, NULL, update_fdi_rx_iir_status);
1974 	MMIO_DH(FDI_RX_IMR(PIPE_B), D_ALL, NULL, update_fdi_rx_iir_status);
1975 	MMIO_DH(FDI_RX_IMR(PIPE_C), D_ALL, NULL, update_fdi_rx_iir_status);
1976 	MMIO_DH(FDI_RX_CTL(PIPE_A), D_ALL, NULL, update_fdi_rx_iir_status);
1977 	MMIO_DH(FDI_RX_CTL(PIPE_B), D_ALL, NULL, update_fdi_rx_iir_status);
1978 	MMIO_DH(FDI_RX_CTL(PIPE_C), D_ALL, NULL, update_fdi_rx_iir_status);
1979 
1980 	MMIO_D(_MMIO(_PCH_TRANS_HTOTAL_A), D_ALL);
1981 	MMIO_D(_MMIO(_PCH_TRANS_HBLANK_A), D_ALL);
1982 	MMIO_D(_MMIO(_PCH_TRANS_HSYNC_A), D_ALL);
1983 	MMIO_D(_MMIO(_PCH_TRANS_VTOTAL_A), D_ALL);
1984 	MMIO_D(_MMIO(_PCH_TRANS_VBLANK_A), D_ALL);
1985 	MMIO_D(_MMIO(_PCH_TRANS_VSYNC_A), D_ALL);
1986 	MMIO_D(_MMIO(_PCH_TRANS_VSYNCSHIFT_A), D_ALL);
1987 
1988 	MMIO_D(_MMIO(_PCH_TRANS_HTOTAL_B), D_ALL);
1989 	MMIO_D(_MMIO(_PCH_TRANS_HBLANK_B), D_ALL);
1990 	MMIO_D(_MMIO(_PCH_TRANS_HSYNC_B), D_ALL);
1991 	MMIO_D(_MMIO(_PCH_TRANS_VTOTAL_B), D_ALL);
1992 	MMIO_D(_MMIO(_PCH_TRANS_VBLANK_B), D_ALL);
1993 	MMIO_D(_MMIO(_PCH_TRANS_VSYNC_B), D_ALL);
1994 	MMIO_D(_MMIO(_PCH_TRANS_VSYNCSHIFT_B), D_ALL);
1995 
1996 	MMIO_D(_MMIO(_PCH_TRANSA_DATA_M1), D_ALL);
1997 	MMIO_D(_MMIO(_PCH_TRANSA_DATA_N1), D_ALL);
1998 	MMIO_D(_MMIO(_PCH_TRANSA_DATA_M2), D_ALL);
1999 	MMIO_D(_MMIO(_PCH_TRANSA_DATA_N2), D_ALL);
2000 	MMIO_D(_MMIO(_PCH_TRANSA_LINK_M1), D_ALL);
2001 	MMIO_D(_MMIO(_PCH_TRANSA_LINK_N1), D_ALL);
2002 	MMIO_D(_MMIO(_PCH_TRANSA_LINK_M2), D_ALL);
2003 	MMIO_D(_MMIO(_PCH_TRANSA_LINK_N2), D_ALL);
2004 
2005 	MMIO_D(TRANS_DP_CTL(PIPE_A), D_ALL);
2006 	MMIO_D(TRANS_DP_CTL(PIPE_B), D_ALL);
2007 	MMIO_D(TRANS_DP_CTL(PIPE_C), D_ALL);
2008 
2009 	MMIO_D(TVIDEO_DIP_CTL(PIPE_A), D_ALL);
2010 	MMIO_D(TVIDEO_DIP_DATA(PIPE_A), D_ALL);
2011 	MMIO_D(TVIDEO_DIP_GCP(PIPE_A), D_ALL);
2012 
2013 	MMIO_D(TVIDEO_DIP_CTL(PIPE_B), D_ALL);
2014 	MMIO_D(TVIDEO_DIP_DATA(PIPE_B), D_ALL);
2015 	MMIO_D(TVIDEO_DIP_GCP(PIPE_B), D_ALL);
2016 
2017 	MMIO_D(TVIDEO_DIP_CTL(PIPE_C), D_ALL);
2018 	MMIO_D(TVIDEO_DIP_DATA(PIPE_C), D_ALL);
2019 	MMIO_D(TVIDEO_DIP_GCP(PIPE_C), D_ALL);
2020 
2021 	MMIO_D(_MMIO(_FDI_RXA_MISC), D_ALL);
2022 	MMIO_D(_MMIO(_FDI_RXB_MISC), D_ALL);
2023 	MMIO_D(_MMIO(_FDI_RXA_TUSIZE1), D_ALL);
2024 	MMIO_D(_MMIO(_FDI_RXA_TUSIZE2), D_ALL);
2025 	MMIO_D(_MMIO(_FDI_RXB_TUSIZE1), D_ALL);
2026 	MMIO_D(_MMIO(_FDI_RXB_TUSIZE2), D_ALL);
2027 
2028 	MMIO_DH(PCH_PP_CONTROL, D_ALL, NULL, pch_pp_control_mmio_write);
2029 	MMIO_D(PCH_PP_DIVISOR, D_ALL);
2030 	MMIO_D(PCH_PP_STATUS,  D_ALL);
2031 	MMIO_D(PCH_LVDS, D_ALL);
2032 	MMIO_D(_MMIO(_PCH_DPLL_A), D_ALL);
2033 	MMIO_D(_MMIO(_PCH_DPLL_B), D_ALL);
2034 	MMIO_D(_MMIO(_PCH_FPA0), D_ALL);
2035 	MMIO_D(_MMIO(_PCH_FPA1), D_ALL);
2036 	MMIO_D(_MMIO(_PCH_FPB0), D_ALL);
2037 	MMIO_D(_MMIO(_PCH_FPB1), D_ALL);
2038 	MMIO_D(PCH_DREF_CONTROL, D_ALL);
2039 	MMIO_D(PCH_RAWCLK_FREQ, D_ALL);
2040 	MMIO_D(PCH_DPLL_SEL, D_ALL);
2041 
2042 	MMIO_D(_MMIO(0x61208), D_ALL);
2043 	MMIO_D(_MMIO(0x6120c), D_ALL);
2044 	MMIO_D(PCH_PP_ON_DELAYS, D_ALL);
2045 	MMIO_D(PCH_PP_OFF_DELAYS, D_ALL);
2046 
2047 	MMIO_DH(_MMIO(0xe651c), D_ALL, dpy_reg_mmio_read, NULL);
2048 	MMIO_DH(_MMIO(0xe661c), D_ALL, dpy_reg_mmio_read, NULL);
2049 	MMIO_DH(_MMIO(0xe671c), D_ALL, dpy_reg_mmio_read, NULL);
2050 	MMIO_DH(_MMIO(0xe681c), D_ALL, dpy_reg_mmio_read, NULL);
2051 	MMIO_DH(_MMIO(0xe6c04), D_ALL, dpy_reg_mmio_read, NULL);
2052 	MMIO_DH(_MMIO(0xe6e1c), D_ALL, dpy_reg_mmio_read, NULL);
2053 
2054 	MMIO_RO(PCH_PORT_HOTPLUG, D_ALL, 0,
2055 		PORTA_HOTPLUG_STATUS_MASK
2056 		| PORTB_HOTPLUG_STATUS_MASK
2057 		| PORTC_HOTPLUG_STATUS_MASK
2058 		| PORTD_HOTPLUG_STATUS_MASK,
2059 		NULL, NULL);
2060 
2061 	MMIO_DH(LCPLL_CTL, D_ALL, NULL, lcpll_ctl_mmio_write);
2062 	MMIO_D(FUSE_STRAP, D_ALL);
2063 	MMIO_D(DIGITAL_PORT_HOTPLUG_CNTRL, D_ALL);
2064 
2065 	MMIO_D(DISP_ARB_CTL, D_ALL);
2066 	MMIO_D(DISP_ARB_CTL2, D_ALL);
2067 
2068 	MMIO_D(ILK_DISPLAY_CHICKEN1, D_ALL);
2069 	MMIO_D(ILK_DISPLAY_CHICKEN2, D_ALL);
2070 	MMIO_D(ILK_DSPCLK_GATE_D, D_ALL);
2071 
2072 	MMIO_D(SOUTH_CHICKEN1, D_ALL);
2073 	MMIO_DH(SOUTH_CHICKEN2, D_ALL, NULL, south_chicken2_mmio_write);
2074 	MMIO_D(_MMIO(_TRANSA_CHICKEN1), D_ALL);
2075 	MMIO_D(_MMIO(_TRANSB_CHICKEN1), D_ALL);
2076 	MMIO_D(SOUTH_DSPCLK_GATE_D, D_ALL);
2077 	MMIO_D(_MMIO(_TRANSA_CHICKEN2), D_ALL);
2078 	MMIO_D(_MMIO(_TRANSB_CHICKEN2), D_ALL);
2079 
2080 	MMIO_D(ILK_DPFC_CB_BASE, D_ALL);
2081 	MMIO_D(ILK_DPFC_CONTROL, D_ALL);
2082 	MMIO_D(ILK_DPFC_RECOMP_CTL, D_ALL);
2083 	MMIO_D(ILK_DPFC_STATUS, D_ALL);
2084 	MMIO_D(ILK_DPFC_FENCE_YOFF, D_ALL);
2085 	MMIO_D(ILK_DPFC_CHICKEN, D_ALL);
2086 	MMIO_D(ILK_FBC_RT_BASE, D_ALL);
2087 
2088 	MMIO_D(IPS_CTL, D_ALL);
2089 
2090 	MMIO_D(PIPE_CSC_COEFF_RY_GY(PIPE_A), D_ALL);
2091 	MMIO_D(PIPE_CSC_COEFF_BY(PIPE_A), D_ALL);
2092 	MMIO_D(PIPE_CSC_COEFF_RU_GU(PIPE_A), D_ALL);
2093 	MMIO_D(PIPE_CSC_COEFF_BU(PIPE_A), D_ALL);
2094 	MMIO_D(PIPE_CSC_COEFF_RV_GV(PIPE_A), D_ALL);
2095 	MMIO_D(PIPE_CSC_COEFF_BV(PIPE_A), D_ALL);
2096 	MMIO_D(PIPE_CSC_MODE(PIPE_A), D_ALL);
2097 	MMIO_D(PIPE_CSC_PREOFF_HI(PIPE_A), D_ALL);
2098 	MMIO_D(PIPE_CSC_PREOFF_ME(PIPE_A), D_ALL);
2099 	MMIO_D(PIPE_CSC_PREOFF_LO(PIPE_A), D_ALL);
2100 	MMIO_D(PIPE_CSC_POSTOFF_HI(PIPE_A), D_ALL);
2101 	MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_A), D_ALL);
2102 	MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_A), D_ALL);
2103 
2104 	MMIO_D(PIPE_CSC_COEFF_RY_GY(PIPE_B), D_ALL);
2105 	MMIO_D(PIPE_CSC_COEFF_BY(PIPE_B), D_ALL);
2106 	MMIO_D(PIPE_CSC_COEFF_RU_GU(PIPE_B), D_ALL);
2107 	MMIO_D(PIPE_CSC_COEFF_BU(PIPE_B), D_ALL);
2108 	MMIO_D(PIPE_CSC_COEFF_RV_GV(PIPE_B), D_ALL);
2109 	MMIO_D(PIPE_CSC_COEFF_BV(PIPE_B), D_ALL);
2110 	MMIO_D(PIPE_CSC_MODE(PIPE_B), D_ALL);
2111 	MMIO_D(PIPE_CSC_PREOFF_HI(PIPE_B), D_ALL);
2112 	MMIO_D(PIPE_CSC_PREOFF_ME(PIPE_B), D_ALL);
2113 	MMIO_D(PIPE_CSC_PREOFF_LO(PIPE_B), D_ALL);
2114 	MMIO_D(PIPE_CSC_POSTOFF_HI(PIPE_B), D_ALL);
2115 	MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_B), D_ALL);
2116 	MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_B), D_ALL);
2117 
2118 	MMIO_D(PIPE_CSC_COEFF_RY_GY(PIPE_C), D_ALL);
2119 	MMIO_D(PIPE_CSC_COEFF_BY(PIPE_C), D_ALL);
2120 	MMIO_D(PIPE_CSC_COEFF_RU_GU(PIPE_C), D_ALL);
2121 	MMIO_D(PIPE_CSC_COEFF_BU(PIPE_C), D_ALL);
2122 	MMIO_D(PIPE_CSC_COEFF_RV_GV(PIPE_C), D_ALL);
2123 	MMIO_D(PIPE_CSC_COEFF_BV(PIPE_C), D_ALL);
2124 	MMIO_D(PIPE_CSC_MODE(PIPE_C), D_ALL);
2125 	MMIO_D(PIPE_CSC_PREOFF_HI(PIPE_C), D_ALL);
2126 	MMIO_D(PIPE_CSC_PREOFF_ME(PIPE_C), D_ALL);
2127 	MMIO_D(PIPE_CSC_PREOFF_LO(PIPE_C), D_ALL);
2128 	MMIO_D(PIPE_CSC_POSTOFF_HI(PIPE_C), D_ALL);
2129 	MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_C), D_ALL);
2130 	MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_C), D_ALL);
2131 
2132 	MMIO_D(PREC_PAL_INDEX(PIPE_A), D_ALL);
2133 	MMIO_D(PREC_PAL_DATA(PIPE_A), D_ALL);
2134 	MMIO_F(PREC_PAL_GC_MAX(PIPE_A, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
2135 
2136 	MMIO_D(PREC_PAL_INDEX(PIPE_B), D_ALL);
2137 	MMIO_D(PREC_PAL_DATA(PIPE_B), D_ALL);
2138 	MMIO_F(PREC_PAL_GC_MAX(PIPE_B, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
2139 
2140 	MMIO_D(PREC_PAL_INDEX(PIPE_C), D_ALL);
2141 	MMIO_D(PREC_PAL_DATA(PIPE_C), D_ALL);
2142 	MMIO_F(PREC_PAL_GC_MAX(PIPE_C, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
2143 
2144 	MMIO_D(_MMIO(0x60110), D_ALL);
2145 	MMIO_D(_MMIO(0x61110), D_ALL);
2146 	MMIO_F(_MMIO(0x70400), 0x40, 0, 0, 0, D_ALL, NULL, NULL);
2147 	MMIO_F(_MMIO(0x71400), 0x40, 0, 0, 0, D_ALL, NULL, NULL);
2148 	MMIO_F(_MMIO(0x72400), 0x40, 0, 0, 0, D_ALL, NULL, NULL);
2149 	MMIO_F(_MMIO(0x70440), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2150 	MMIO_F(_MMIO(0x71440), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2151 	MMIO_F(_MMIO(0x72440), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2152 	MMIO_F(_MMIO(0x7044c), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2153 	MMIO_F(_MMIO(0x7144c), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2154 	MMIO_F(_MMIO(0x7244c), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2155 
2156 	MMIO_D(PIPE_WM_LINETIME(PIPE_A), D_ALL);
2157 	MMIO_D(PIPE_WM_LINETIME(PIPE_B), D_ALL);
2158 	MMIO_D(PIPE_WM_LINETIME(PIPE_C), D_ALL);
2159 	MMIO_D(SPLL_CTL, D_ALL);
2160 	MMIO_D(_MMIO(_WRPLL_CTL1), D_ALL);
2161 	MMIO_D(_MMIO(_WRPLL_CTL2), D_ALL);
2162 	MMIO_D(PORT_CLK_SEL(PORT_A), D_ALL);
2163 	MMIO_D(PORT_CLK_SEL(PORT_B), D_ALL);
2164 	MMIO_D(PORT_CLK_SEL(PORT_C), D_ALL);
2165 	MMIO_D(PORT_CLK_SEL(PORT_D), D_ALL);
2166 	MMIO_D(PORT_CLK_SEL(PORT_E), D_ALL);
2167 	MMIO_D(TRANS_CLK_SEL(TRANSCODER_A), D_ALL);
2168 	MMIO_D(TRANS_CLK_SEL(TRANSCODER_B), D_ALL);
2169 	MMIO_D(TRANS_CLK_SEL(TRANSCODER_C), D_ALL);
2170 
2171 	MMIO_D(HSW_NDE_RSTWRN_OPT, D_ALL);
2172 	MMIO_D(_MMIO(0x46508), D_ALL);
2173 
2174 	MMIO_D(_MMIO(0x49080), D_ALL);
2175 	MMIO_D(_MMIO(0x49180), D_ALL);
2176 	MMIO_D(_MMIO(0x49280), D_ALL);
2177 
2178 	MMIO_F(_MMIO(0x49090), 0x14, 0, 0, 0, D_ALL, NULL, NULL);
2179 	MMIO_F(_MMIO(0x49190), 0x14, 0, 0, 0, D_ALL, NULL, NULL);
2180 	MMIO_F(_MMIO(0x49290), 0x14, 0, 0, 0, D_ALL, NULL, NULL);
2181 
2182 	MMIO_D(GAMMA_MODE(PIPE_A), D_ALL);
2183 	MMIO_D(GAMMA_MODE(PIPE_B), D_ALL);
2184 	MMIO_D(GAMMA_MODE(PIPE_C), D_ALL);
2185 
2186 	MMIO_D(PIPE_MULT(PIPE_A), D_ALL);
2187 	MMIO_D(PIPE_MULT(PIPE_B), D_ALL);
2188 	MMIO_D(PIPE_MULT(PIPE_C), D_ALL);
2189 
2190 	MMIO_D(HSW_TVIDEO_DIP_CTL(TRANSCODER_A), D_ALL);
2191 	MMIO_D(HSW_TVIDEO_DIP_CTL(TRANSCODER_B), D_ALL);
2192 	MMIO_D(HSW_TVIDEO_DIP_CTL(TRANSCODER_C), D_ALL);
2193 
2194 	MMIO_DH(SFUSE_STRAP, D_ALL, NULL, NULL);
2195 	MMIO_D(SBI_ADDR, D_ALL);
2196 	MMIO_DH(SBI_DATA, D_ALL, sbi_data_mmio_read, NULL);
2197 	MMIO_DH(SBI_CTL_STAT, D_ALL, NULL, sbi_ctl_mmio_write);
2198 	MMIO_D(PIXCLK_GATE, D_ALL);
2199 
2200 	MMIO_F(_MMIO(_DPA_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_ALL, NULL,
2201 		dp_aux_ch_ctl_mmio_write);
2202 
2203 	MMIO_DH(DDI_BUF_CTL(PORT_A), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2204 	MMIO_DH(DDI_BUF_CTL(PORT_B), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2205 	MMIO_DH(DDI_BUF_CTL(PORT_C), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2206 	MMIO_DH(DDI_BUF_CTL(PORT_D), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2207 	MMIO_DH(DDI_BUF_CTL(PORT_E), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2208 
2209 	MMIO_DH(DP_TP_CTL(PORT_A), D_ALL, NULL, dp_tp_ctl_mmio_write);
2210 	MMIO_DH(DP_TP_CTL(PORT_B), D_ALL, NULL, dp_tp_ctl_mmio_write);
2211 	MMIO_DH(DP_TP_CTL(PORT_C), D_ALL, NULL, dp_tp_ctl_mmio_write);
2212 	MMIO_DH(DP_TP_CTL(PORT_D), D_ALL, NULL, dp_tp_ctl_mmio_write);
2213 	MMIO_DH(DP_TP_CTL(PORT_E), D_ALL, NULL, dp_tp_ctl_mmio_write);
2214 
2215 	MMIO_DH(DP_TP_STATUS(PORT_A), D_ALL, NULL, dp_tp_status_mmio_write);
2216 	MMIO_DH(DP_TP_STATUS(PORT_B), D_ALL, NULL, dp_tp_status_mmio_write);
2217 	MMIO_DH(DP_TP_STATUS(PORT_C), D_ALL, NULL, dp_tp_status_mmio_write);
2218 	MMIO_DH(DP_TP_STATUS(PORT_D), D_ALL, NULL, dp_tp_status_mmio_write);
2219 	MMIO_DH(DP_TP_STATUS(PORT_E), D_ALL, NULL, NULL);
2220 
2221 	MMIO_F(_MMIO(_DDI_BUF_TRANS_A), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2222 	MMIO_F(_MMIO(0x64e60), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2223 	MMIO_F(_MMIO(0x64eC0), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2224 	MMIO_F(_MMIO(0x64f20), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2225 	MMIO_F(_MMIO(0x64f80), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2226 
2227 	MMIO_D(HSW_AUD_CFG(PIPE_A), D_ALL);
2228 	MMIO_D(HSW_AUD_PIN_ELD_CP_VLD, D_ALL);
2229 
2230 	MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_A), D_ALL, NULL, NULL);
2231 	MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_B), D_ALL, NULL, NULL);
2232 	MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_C), D_ALL, NULL, NULL);
2233 	MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_EDP), D_ALL, NULL, NULL);
2234 
2235 	MMIO_D(_MMIO(_TRANSA_MSA_MISC), D_ALL);
2236 	MMIO_D(_MMIO(_TRANSB_MSA_MISC), D_ALL);
2237 	MMIO_D(_MMIO(_TRANSC_MSA_MISC), D_ALL);
2238 	MMIO_D(_MMIO(_TRANS_EDP_MSA_MISC), D_ALL);
2239 
2240 	MMIO_DH(FORCEWAKE, D_ALL, NULL, NULL);
2241 	MMIO_D(FORCEWAKE_ACK, D_ALL);
2242 	MMIO_D(GEN6_GT_CORE_STATUS, D_ALL);
2243 	MMIO_D(GEN6_GT_THREAD_STATUS_REG, D_ALL);
2244 	MMIO_DFH(GTFIFODBG, D_ALL, F_CMD_ACCESS, NULL, NULL);
2245 	MMIO_DFH(GTFIFOCTL, D_ALL, F_CMD_ACCESS, NULL, NULL);
2246 	MMIO_DH(FORCEWAKE_MT, D_PRE_SKL, NULL, mul_force_wake_write);
2247 	MMIO_DH(FORCEWAKE_ACK_HSW, D_BDW, NULL, NULL);
2248 	MMIO_D(ECOBUS, D_ALL);
2249 	MMIO_DH(GEN6_RC_CONTROL, D_ALL, NULL, NULL);
2250 	MMIO_DH(GEN6_RC_STATE, D_ALL, NULL, NULL);
2251 	MMIO_D(GEN6_RPNSWREQ, D_ALL);
2252 	MMIO_D(GEN6_RC_VIDEO_FREQ, D_ALL);
2253 	MMIO_D(GEN6_RP_DOWN_TIMEOUT, D_ALL);
2254 	MMIO_D(GEN6_RP_INTERRUPT_LIMITS, D_ALL);
2255 	MMIO_D(GEN6_RPSTAT1, D_ALL);
2256 	MMIO_D(GEN6_RP_CONTROL, D_ALL);
2257 	MMIO_D(GEN6_RP_UP_THRESHOLD, D_ALL);
2258 	MMIO_D(GEN6_RP_DOWN_THRESHOLD, D_ALL);
2259 	MMIO_D(GEN6_RP_CUR_UP_EI, D_ALL);
2260 	MMIO_D(GEN6_RP_CUR_UP, D_ALL);
2261 	MMIO_D(GEN6_RP_PREV_UP, D_ALL);
2262 	MMIO_D(GEN6_RP_CUR_DOWN_EI, D_ALL);
2263 	MMIO_D(GEN6_RP_CUR_DOWN, D_ALL);
2264 	MMIO_D(GEN6_RP_PREV_DOWN, D_ALL);
2265 	MMIO_D(GEN6_RP_UP_EI, D_ALL);
2266 	MMIO_D(GEN6_RP_DOWN_EI, D_ALL);
2267 	MMIO_D(GEN6_RP_IDLE_HYSTERSIS, D_ALL);
2268 	MMIO_D(GEN6_RC1_WAKE_RATE_LIMIT, D_ALL);
2269 	MMIO_D(GEN6_RC6_WAKE_RATE_LIMIT, D_ALL);
2270 	MMIO_D(GEN6_RC6pp_WAKE_RATE_LIMIT, D_ALL);
2271 	MMIO_D(GEN6_RC_EVALUATION_INTERVAL, D_ALL);
2272 	MMIO_D(GEN6_RC_IDLE_HYSTERSIS, D_ALL);
2273 	MMIO_D(GEN6_RC_SLEEP, D_ALL);
2274 	MMIO_D(GEN6_RC1e_THRESHOLD, D_ALL);
2275 	MMIO_D(GEN6_RC6_THRESHOLD, D_ALL);
2276 	MMIO_D(GEN6_RC6p_THRESHOLD, D_ALL);
2277 	MMIO_D(GEN6_RC6pp_THRESHOLD, D_ALL);
2278 	MMIO_D(GEN6_PMINTRMSK, D_ALL);
2279 	/*
2280 	 * Use an arbitrary power well controlled by the PWR_WELL_CTL
2281 	 * register.
2282 	 */
2283 	MMIO_DH(HSW_PWR_WELL_CTL_BIOS(HSW_DISP_PW_GLOBAL), D_BDW, NULL,
2284 		power_well_ctl_mmio_write);
2285 	MMIO_DH(HSW_PWR_WELL_CTL_DRIVER(HSW_DISP_PW_GLOBAL), D_BDW, NULL,
2286 		power_well_ctl_mmio_write);
2287 	MMIO_DH(HSW_PWR_WELL_CTL_KVMR, D_BDW, NULL, power_well_ctl_mmio_write);
2288 	MMIO_DH(HSW_PWR_WELL_CTL_DEBUG(HSW_DISP_PW_GLOBAL), D_BDW, NULL,
2289 		power_well_ctl_mmio_write);
2290 	MMIO_DH(HSW_PWR_WELL_CTL5, D_BDW, NULL, power_well_ctl_mmio_write);
2291 	MMIO_DH(HSW_PWR_WELL_CTL6, D_BDW, NULL, power_well_ctl_mmio_write);
2292 
2293 	MMIO_D(RSTDBYCTL, D_ALL);
2294 
2295 	MMIO_DH(GEN6_GDRST, D_ALL, NULL, gdrst_mmio_write);
2296 	MMIO_F(FENCE_REG_GEN6_LO(0), 0x80, 0, 0, 0, D_ALL, fence_mmio_read, fence_mmio_write);
2297 	MMIO_DH(CPU_VGACNTRL, D_ALL, NULL, vga_control_mmio_write);
2298 
2299 	MMIO_D(TILECTL, D_ALL);
2300 
2301 	MMIO_D(GEN6_UCGCTL1, D_ALL);
2302 	MMIO_D(GEN6_UCGCTL2, D_ALL);
2303 
2304 	MMIO_F(_MMIO(0x4f000), 0x90, 0, 0, 0, D_ALL, NULL, NULL);
2305 
2306 	MMIO_D(GEN6_PCODE_DATA, D_ALL);
2307 	MMIO_D(_MMIO(0x13812c), D_ALL);
2308 	MMIO_DH(GEN7_ERR_INT, D_ALL, NULL, NULL);
2309 	MMIO_D(HSW_EDRAM_CAP, D_ALL);
2310 	MMIO_D(HSW_IDICR, D_ALL);
2311 	MMIO_DH(GFX_FLSH_CNTL_GEN6, D_ALL, NULL, NULL);
2312 
2313 	MMIO_D(_MMIO(0x3c), D_ALL);
2314 	MMIO_D(_MMIO(0x860), D_ALL);
2315 	MMIO_D(ECOSKPD, D_ALL);
2316 	MMIO_D(_MMIO(0x121d0), D_ALL);
2317 	MMIO_D(GEN6_BLITTER_ECOSKPD, D_ALL);
2318 	MMIO_D(_MMIO(0x41d0), D_ALL);
2319 	MMIO_D(GAC_ECO_BITS, D_ALL);
2320 	MMIO_D(_MMIO(0x6200), D_ALL);
2321 	MMIO_D(_MMIO(0x6204), D_ALL);
2322 	MMIO_D(_MMIO(0x6208), D_ALL);
2323 	MMIO_D(_MMIO(0x7118), D_ALL);
2324 	MMIO_D(_MMIO(0x7180), D_ALL);
2325 	MMIO_D(_MMIO(0x7408), D_ALL);
2326 	MMIO_D(_MMIO(0x7c00), D_ALL);
2327 	MMIO_DH(GEN6_MBCTL, D_ALL, NULL, mbctl_write);
2328 	MMIO_D(_MMIO(0x911c), D_ALL);
2329 	MMIO_D(_MMIO(0x9120), D_ALL);
2330 	MMIO_DFH(GEN7_UCGCTL4, D_ALL, F_CMD_ACCESS, NULL, NULL);
2331 
2332 	MMIO_D(GAB_CTL, D_ALL);
2333 	MMIO_D(_MMIO(0x48800), D_ALL);
2334 	MMIO_D(_MMIO(0xce044), D_ALL);
2335 	MMIO_D(_MMIO(0xe6500), D_ALL);
2336 	MMIO_D(_MMIO(0xe6504), D_ALL);
2337 	MMIO_D(_MMIO(0xe6600), D_ALL);
2338 	MMIO_D(_MMIO(0xe6604), D_ALL);
2339 	MMIO_D(_MMIO(0xe6700), D_ALL);
2340 	MMIO_D(_MMIO(0xe6704), D_ALL);
2341 	MMIO_D(_MMIO(0xe6800), D_ALL);
2342 	MMIO_D(_MMIO(0xe6804), D_ALL);
2343 	MMIO_D(PCH_GMBUS4, D_ALL);
2344 	MMIO_D(PCH_GMBUS5, D_ALL);
2345 
2346 	MMIO_D(_MMIO(0x902c), D_ALL);
2347 	MMIO_D(_MMIO(0xec008), D_ALL);
2348 	MMIO_D(_MMIO(0xec00c), D_ALL);
2349 	MMIO_D(_MMIO(0xec008 + 0x18), D_ALL);
2350 	MMIO_D(_MMIO(0xec00c + 0x18), D_ALL);
2351 	MMIO_D(_MMIO(0xec008 + 0x18 * 2), D_ALL);
2352 	MMIO_D(_MMIO(0xec00c + 0x18 * 2), D_ALL);
2353 	MMIO_D(_MMIO(0xec008 + 0x18 * 3), D_ALL);
2354 	MMIO_D(_MMIO(0xec00c + 0x18 * 3), D_ALL);
2355 	MMIO_D(_MMIO(0xec408), D_ALL);
2356 	MMIO_D(_MMIO(0xec40c), D_ALL);
2357 	MMIO_D(_MMIO(0xec408 + 0x18), D_ALL);
2358 	MMIO_D(_MMIO(0xec40c + 0x18), D_ALL);
2359 	MMIO_D(_MMIO(0xec408 + 0x18 * 2), D_ALL);
2360 	MMIO_D(_MMIO(0xec40c + 0x18 * 2), D_ALL);
2361 	MMIO_D(_MMIO(0xec408 + 0x18 * 3), D_ALL);
2362 	MMIO_D(_MMIO(0xec40c + 0x18 * 3), D_ALL);
2363 	MMIO_D(_MMIO(0xfc810), D_ALL);
2364 	MMIO_D(_MMIO(0xfc81c), D_ALL);
2365 	MMIO_D(_MMIO(0xfc828), D_ALL);
2366 	MMIO_D(_MMIO(0xfc834), D_ALL);
2367 	MMIO_D(_MMIO(0xfcc00), D_ALL);
2368 	MMIO_D(_MMIO(0xfcc0c), D_ALL);
2369 	MMIO_D(_MMIO(0xfcc18), D_ALL);
2370 	MMIO_D(_MMIO(0xfcc24), D_ALL);
2371 	MMIO_D(_MMIO(0xfd000), D_ALL);
2372 	MMIO_D(_MMIO(0xfd00c), D_ALL);
2373 	MMIO_D(_MMIO(0xfd018), D_ALL);
2374 	MMIO_D(_MMIO(0xfd024), D_ALL);
2375 	MMIO_D(_MMIO(0xfd034), D_ALL);
2376 
2377 	MMIO_DH(FPGA_DBG, D_ALL, NULL, fpga_dbg_mmio_write);
2378 	MMIO_D(_MMIO(0x2054), D_ALL);
2379 	MMIO_D(_MMIO(0x12054), D_ALL);
2380 	MMIO_D(_MMIO(0x22054), D_ALL);
2381 	MMIO_D(_MMIO(0x1a054), D_ALL);
2382 
2383 	MMIO_D(_MMIO(0x44070), D_ALL);
2384 	MMIO_DFH(_MMIO(0x215c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2385 	MMIO_DFH(_MMIO(0x2178), D_ALL, F_CMD_ACCESS, NULL, NULL);
2386 	MMIO_DFH(_MMIO(0x217c), D_ALL, F_CMD_ACCESS, NULL, NULL);
2387 	MMIO_DFH(_MMIO(0x12178), D_ALL, F_CMD_ACCESS, NULL, NULL);
2388 	MMIO_DFH(_MMIO(0x1217c), D_ALL, F_CMD_ACCESS, NULL, NULL);
2389 
2390 	MMIO_F(_MMIO(0x2290), 8, F_CMD_ACCESS, 0, 0, D_BDW_PLUS, NULL, NULL);
2391 	MMIO_D(_MMIO(0x2b00), D_BDW_PLUS);
2392 	MMIO_D(_MMIO(0x2360), D_BDW_PLUS);
2393 	MMIO_F(_MMIO(0x5200), 32, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2394 	MMIO_F(_MMIO(0x5240), 32, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2395 	MMIO_F(_MMIO(0x5280), 16, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2396 
2397 	MMIO_DFH(_MMIO(0x1c17c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2398 	MMIO_DFH(_MMIO(0x1c178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2399 	MMIO_DFH(BCS_SWCTRL, D_ALL, F_CMD_ACCESS, NULL, NULL);
2400 
2401 	MMIO_F(HS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2402 	MMIO_F(DS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2403 	MMIO_F(IA_VERTICES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2404 	MMIO_F(IA_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2405 	MMIO_F(VS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2406 	MMIO_F(GS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2407 	MMIO_F(GS_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2408 	MMIO_F(CL_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2409 	MMIO_F(CL_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2410 	MMIO_F(PS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2411 	MMIO_F(PS_DEPTH_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2412 	MMIO_DH(_MMIO(0x4260), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2413 	MMIO_DH(_MMIO(0x4264), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2414 	MMIO_DH(_MMIO(0x4268), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2415 	MMIO_DH(_MMIO(0x426c), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2416 	MMIO_DH(_MMIO(0x4270), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2417 	MMIO_DFH(_MMIO(0x4094), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2418 
2419 	MMIO_DFH(ARB_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2420 	MMIO_RING_GM_RDR(RING_BBADDR, D_ALL, NULL, NULL);
2421 	MMIO_DFH(_MMIO(0x2220), D_ALL, F_CMD_ACCESS, NULL, NULL);
2422 	MMIO_DFH(_MMIO(0x12220), D_ALL, F_CMD_ACCESS, NULL, NULL);
2423 	MMIO_DFH(_MMIO(0x22220), D_ALL, F_CMD_ACCESS, NULL, NULL);
2424 	MMIO_RING_DFH(RING_SYNC_1, D_ALL, F_CMD_ACCESS, NULL, NULL);
2425 	MMIO_RING_DFH(RING_SYNC_0, D_ALL, F_CMD_ACCESS, NULL, NULL);
2426 	MMIO_DFH(_MMIO(0x22178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2427 	MMIO_DFH(_MMIO(0x1a178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2428 	MMIO_DFH(_MMIO(0x1a17c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2429 	MMIO_DFH(_MMIO(0x2217c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2430 	return 0;
2431 }
2432 
2433 static int init_broadwell_mmio_info(struct intel_gvt *gvt)
2434 {
2435 	struct drm_i915_private *dev_priv = gvt->dev_priv;
2436 	int ret;
2437 
2438 	MMIO_DH(GEN8_GT_IMR(0), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2439 	MMIO_DH(GEN8_GT_IER(0), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2440 	MMIO_DH(GEN8_GT_IIR(0), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2441 	MMIO_D(GEN8_GT_ISR(0), D_BDW_PLUS);
2442 
2443 	MMIO_DH(GEN8_GT_IMR(1), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2444 	MMIO_DH(GEN8_GT_IER(1), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2445 	MMIO_DH(GEN8_GT_IIR(1), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2446 	MMIO_D(GEN8_GT_ISR(1), D_BDW_PLUS);
2447 
2448 	MMIO_DH(GEN8_GT_IMR(2), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2449 	MMIO_DH(GEN8_GT_IER(2), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2450 	MMIO_DH(GEN8_GT_IIR(2), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2451 	MMIO_D(GEN8_GT_ISR(2), D_BDW_PLUS);
2452 
2453 	MMIO_DH(GEN8_GT_IMR(3), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2454 	MMIO_DH(GEN8_GT_IER(3), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2455 	MMIO_DH(GEN8_GT_IIR(3), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2456 	MMIO_D(GEN8_GT_ISR(3), D_BDW_PLUS);
2457 
2458 	MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_A), D_BDW_PLUS, NULL,
2459 		intel_vgpu_reg_imr_handler);
2460 	MMIO_DH(GEN8_DE_PIPE_IER(PIPE_A), D_BDW_PLUS, NULL,
2461 		intel_vgpu_reg_ier_handler);
2462 	MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_A), D_BDW_PLUS, NULL,
2463 		intel_vgpu_reg_iir_handler);
2464 	MMIO_D(GEN8_DE_PIPE_ISR(PIPE_A), D_BDW_PLUS);
2465 
2466 	MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_B), D_BDW_PLUS, NULL,
2467 		intel_vgpu_reg_imr_handler);
2468 	MMIO_DH(GEN8_DE_PIPE_IER(PIPE_B), D_BDW_PLUS, NULL,
2469 		intel_vgpu_reg_ier_handler);
2470 	MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_B), D_BDW_PLUS, NULL,
2471 		intel_vgpu_reg_iir_handler);
2472 	MMIO_D(GEN8_DE_PIPE_ISR(PIPE_B), D_BDW_PLUS);
2473 
2474 	MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_C), D_BDW_PLUS, NULL,
2475 		intel_vgpu_reg_imr_handler);
2476 	MMIO_DH(GEN8_DE_PIPE_IER(PIPE_C), D_BDW_PLUS, NULL,
2477 		intel_vgpu_reg_ier_handler);
2478 	MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_C), D_BDW_PLUS, NULL,
2479 		intel_vgpu_reg_iir_handler);
2480 	MMIO_D(GEN8_DE_PIPE_ISR(PIPE_C), D_BDW_PLUS);
2481 
2482 	MMIO_DH(GEN8_DE_PORT_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2483 	MMIO_DH(GEN8_DE_PORT_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2484 	MMIO_DH(GEN8_DE_PORT_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2485 	MMIO_D(GEN8_DE_PORT_ISR, D_BDW_PLUS);
2486 
2487 	MMIO_DH(GEN8_DE_MISC_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2488 	MMIO_DH(GEN8_DE_MISC_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2489 	MMIO_DH(GEN8_DE_MISC_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2490 	MMIO_D(GEN8_DE_MISC_ISR, D_BDW_PLUS);
2491 
2492 	MMIO_DH(GEN8_PCU_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2493 	MMIO_DH(GEN8_PCU_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2494 	MMIO_DH(GEN8_PCU_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2495 	MMIO_D(GEN8_PCU_ISR, D_BDW_PLUS);
2496 
2497 	MMIO_DH(GEN8_MASTER_IRQ, D_BDW_PLUS, NULL,
2498 		intel_vgpu_reg_master_irq_handler);
2499 
2500 	MMIO_RING_DFH(RING_ACTHD_UDW, D_BDW_PLUS, F_CMD_ACCESS,
2501 		mmio_read_from_hw, NULL);
2502 
2503 #define RING_REG(base) _MMIO((base) + 0xd0)
2504 	MMIO_RING_F(RING_REG, 4, F_RO, 0,
2505 		~_MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET), D_BDW_PLUS, NULL,
2506 		ring_reset_ctl_write);
2507 #undef RING_REG
2508 
2509 #define RING_REG(base) _MMIO((base) + 0x230)
2510 	MMIO_RING_DFH(RING_REG, D_BDW_PLUS, 0, NULL, elsp_mmio_write);
2511 #undef RING_REG
2512 
2513 #define RING_REG(base) _MMIO((base) + 0x234)
2514 	MMIO_RING_F(RING_REG, 8, F_RO | F_CMD_ACCESS, 0, ~0, D_BDW_PLUS,
2515 		NULL, NULL);
2516 #undef RING_REG
2517 
2518 #define RING_REG(base) _MMIO((base) + 0x244)
2519 	MMIO_RING_DFH(RING_REG, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2520 #undef RING_REG
2521 
2522 #define RING_REG(base) _MMIO((base) + 0x370)
2523 	MMIO_RING_F(RING_REG, 48, F_RO, 0, ~0, D_BDW_PLUS, NULL, NULL);
2524 #undef RING_REG
2525 
2526 #define RING_REG(base) _MMIO((base) + 0x3a0)
2527 	MMIO_RING_DFH(RING_REG, D_BDW_PLUS, F_MODE_MASK, NULL, NULL);
2528 #undef RING_REG
2529 
2530 	MMIO_D(PIPEMISC(PIPE_A), D_BDW_PLUS);
2531 	MMIO_D(PIPEMISC(PIPE_B), D_BDW_PLUS);
2532 	MMIO_D(PIPEMISC(PIPE_C), D_BDW_PLUS);
2533 	MMIO_D(_MMIO(0x1c1d0), D_BDW_PLUS);
2534 	MMIO_D(GEN6_MBCUNIT_SNPCR, D_BDW_PLUS);
2535 	MMIO_D(GEN7_MISCCPCTL, D_BDW_PLUS);
2536 	MMIO_D(_MMIO(0x1c054), D_BDW_PLUS);
2537 
2538 	MMIO_DH(GEN6_PCODE_MAILBOX, D_BDW_PLUS, NULL, mailbox_write);
2539 
2540 	MMIO_D(GEN8_PRIVATE_PAT_LO, D_BDW_PLUS);
2541 	MMIO_D(GEN8_PRIVATE_PAT_HI, D_BDW_PLUS);
2542 
2543 	MMIO_D(GAMTARBMODE, D_BDW_PLUS);
2544 
2545 #define RING_REG(base) _MMIO((base) + 0x270)
2546 	MMIO_RING_F(RING_REG, 32, 0, 0, 0, D_BDW_PLUS, NULL, NULL);
2547 #undef RING_REG
2548 
2549 	MMIO_RING_GM_RDR(RING_HWS_PGA, D_BDW_PLUS, NULL, hws_pga_write);
2550 
2551 	MMIO_DFH(HDC_CHICKEN0, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2552 
2553 	MMIO_D(CHICKEN_PIPESL_1(PIPE_A), D_BDW_PLUS);
2554 	MMIO_D(CHICKEN_PIPESL_1(PIPE_B), D_BDW_PLUS);
2555 	MMIO_D(CHICKEN_PIPESL_1(PIPE_C), D_BDW_PLUS);
2556 
2557 	MMIO_D(WM_MISC, D_BDW);
2558 	MMIO_D(_MMIO(BDW_EDP_PSR_BASE), D_BDW);
2559 
2560 	MMIO_D(_MMIO(0x66c00), D_BDW_PLUS);
2561 	MMIO_D(_MMIO(0x66c04), D_BDW_PLUS);
2562 
2563 	MMIO_D(HSW_GTT_CACHE_EN, D_BDW_PLUS);
2564 
2565 	MMIO_D(GEN8_EU_DISABLE0, D_BDW_PLUS);
2566 	MMIO_D(GEN8_EU_DISABLE1, D_BDW_PLUS);
2567 	MMIO_D(GEN8_EU_DISABLE2, D_BDW_PLUS);
2568 
2569 	MMIO_D(_MMIO(0xfdc), D_BDW_PLUS);
2570 	MMIO_DFH(GEN8_ROW_CHICKEN, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS,
2571 		NULL, NULL);
2572 	MMIO_DFH(GEN7_ROW_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS,
2573 		NULL, NULL);
2574 	MMIO_DFH(GEN8_UCGCTL6, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2575 
2576 	MMIO_DFH(_MMIO(0xb1f0), D_BDW, F_CMD_ACCESS, NULL, NULL);
2577 	MMIO_DFH(_MMIO(0xb1c0), D_BDW, F_CMD_ACCESS, NULL, NULL);
2578 	MMIO_DFH(GEN8_L3SQCREG4, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2579 	MMIO_DFH(_MMIO(0xb100), D_BDW, F_CMD_ACCESS, NULL, NULL);
2580 	MMIO_DFH(_MMIO(0xb10c), D_BDW, F_CMD_ACCESS, NULL, NULL);
2581 	MMIO_D(_MMIO(0xb110), D_BDW);
2582 
2583 	MMIO_F(_MMIO(0x24d0), 48, F_CMD_ACCESS, 0, 0, D_BDW_PLUS,
2584 		NULL, force_nonpriv_write);
2585 
2586 	MMIO_D(_MMIO(0x44484), D_BDW_PLUS);
2587 	MMIO_D(_MMIO(0x4448c), D_BDW_PLUS);
2588 
2589 	MMIO_DFH(_MMIO(0x83a4), D_BDW, F_CMD_ACCESS, NULL, NULL);
2590 	MMIO_D(GEN8_L3_LRA_1_GPGPU, D_BDW_PLUS);
2591 
2592 	MMIO_DFH(_MMIO(0x8430), D_BDW, F_CMD_ACCESS, NULL, NULL);
2593 
2594 	MMIO_D(_MMIO(0x110000), D_BDW_PLUS);
2595 
2596 	MMIO_D(_MMIO(0x48400), D_BDW_PLUS);
2597 
2598 	MMIO_D(_MMIO(0x6e570), D_BDW_PLUS);
2599 	MMIO_D(_MMIO(0x65f10), D_BDW_PLUS);
2600 
2601 	MMIO_DFH(_MMIO(0xe194), D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2602 	MMIO_DFH(_MMIO(0xe188), D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2603 	MMIO_DFH(HALF_SLICE_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2604 	MMIO_DFH(_MMIO(0x2580), D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2605 
2606 	MMIO_DFH(_MMIO(0x2248), D_BDW, F_CMD_ACCESS, NULL, NULL);
2607 
2608 	MMIO_DFH(_MMIO(0xe220), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2609 	MMIO_DFH(_MMIO(0xe230), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2610 	MMIO_DFH(_MMIO(0xe240), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2611 	MMIO_DFH(_MMIO(0xe260), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2612 	MMIO_DFH(_MMIO(0xe270), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2613 	MMIO_DFH(_MMIO(0xe280), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2614 	MMIO_DFH(_MMIO(0xe2a0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2615 	MMIO_DFH(_MMIO(0xe2b0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2616 	MMIO_DFH(_MMIO(0xe2c0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2617 	return 0;
2618 }
2619 
2620 static int init_skl_mmio_info(struct intel_gvt *gvt)
2621 {
2622 	struct drm_i915_private *dev_priv = gvt->dev_priv;
2623 	int ret;
2624 
2625 	MMIO_DH(FORCEWAKE_RENDER_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
2626 	MMIO_DH(FORCEWAKE_ACK_RENDER_GEN9, D_SKL_PLUS, NULL, NULL);
2627 	MMIO_DH(FORCEWAKE_BLITTER_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
2628 	MMIO_DH(FORCEWAKE_ACK_BLITTER_GEN9, D_SKL_PLUS, NULL, NULL);
2629 	MMIO_DH(FORCEWAKE_MEDIA_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
2630 	MMIO_DH(FORCEWAKE_ACK_MEDIA_GEN9, D_SKL_PLUS, NULL, NULL);
2631 
2632 	MMIO_F(_MMIO(_DPB_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_SKL_PLUS, NULL,
2633 						dp_aux_ch_ctl_mmio_write);
2634 	MMIO_F(_MMIO(_DPC_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_SKL_PLUS, NULL,
2635 						dp_aux_ch_ctl_mmio_write);
2636 	MMIO_F(_MMIO(_DPD_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_SKL_PLUS, NULL,
2637 						dp_aux_ch_ctl_mmio_write);
2638 
2639 	/*
2640 	 * Use an arbitrary power well controlled by the PWR_WELL_CTL
2641 	 * register.
2642 	 */
2643 	MMIO_D(HSW_PWR_WELL_CTL_BIOS(SKL_DISP_PW_MISC_IO), D_SKL_PLUS);
2644 	MMIO_DH(HSW_PWR_WELL_CTL_DRIVER(SKL_DISP_PW_MISC_IO), D_SKL_PLUS, NULL,
2645 		skl_power_well_ctl_write);
2646 
2647 	MMIO_D(_MMIO(0xa210), D_SKL_PLUS);
2648 	MMIO_D(GEN9_MEDIA_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
2649 	MMIO_D(GEN9_RENDER_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
2650 	MMIO_DFH(GEN9_GAMT_ECO_REG_RW_IA, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
2651 	MMIO_DH(_MMIO(0x4ddc), D_SKL_PLUS, NULL, NULL);
2652 	MMIO_DH(_MMIO(0x42080), D_SKL_PLUS, NULL, NULL);
2653 	MMIO_D(_MMIO(0x45504), D_SKL_PLUS);
2654 	MMIO_D(_MMIO(0x45520), D_SKL_PLUS);
2655 	MMIO_D(_MMIO(0x46000), D_SKL_PLUS);
2656 	MMIO_DH(_MMIO(0x46010), D_SKL | D_KBL, NULL, skl_lcpll_write);
2657 	MMIO_DH(_MMIO(0x46014), D_SKL | D_KBL, NULL, skl_lcpll_write);
2658 	MMIO_D(_MMIO(0x6C040), D_SKL | D_KBL);
2659 	MMIO_D(_MMIO(0x6C048), D_SKL | D_KBL);
2660 	MMIO_D(_MMIO(0x6C050), D_SKL | D_KBL);
2661 	MMIO_D(_MMIO(0x6C044), D_SKL | D_KBL);
2662 	MMIO_D(_MMIO(0x6C04C), D_SKL | D_KBL);
2663 	MMIO_D(_MMIO(0x6C054), D_SKL | D_KBL);
2664 	MMIO_D(_MMIO(0x6c058), D_SKL | D_KBL);
2665 	MMIO_D(_MMIO(0x6c05c), D_SKL | D_KBL);
2666 	MMIO_DH(_MMIO(0x6c060), D_SKL | D_KBL, dpll_status_read, NULL);
2667 
2668 	MMIO_DH(SKL_PS_WIN_POS(PIPE_A, 0), D_SKL_PLUS, NULL, pf_write);
2669 	MMIO_DH(SKL_PS_WIN_POS(PIPE_A, 1), D_SKL_PLUS, NULL, pf_write);
2670 	MMIO_DH(SKL_PS_WIN_POS(PIPE_B, 0), D_SKL_PLUS, NULL, pf_write);
2671 	MMIO_DH(SKL_PS_WIN_POS(PIPE_B, 1), D_SKL_PLUS, NULL, pf_write);
2672 	MMIO_DH(SKL_PS_WIN_POS(PIPE_C, 0), D_SKL_PLUS, NULL, pf_write);
2673 	MMIO_DH(SKL_PS_WIN_POS(PIPE_C, 1), D_SKL_PLUS, NULL, pf_write);
2674 
2675 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_A, 0), D_SKL_PLUS, NULL, pf_write);
2676 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_A, 1), D_SKL_PLUS, NULL, pf_write);
2677 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_B, 0), D_SKL_PLUS, NULL, pf_write);
2678 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_B, 1), D_SKL_PLUS, NULL, pf_write);
2679 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_C, 0), D_SKL_PLUS, NULL, pf_write);
2680 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_C, 1), D_SKL_PLUS, NULL, pf_write);
2681 
2682 	MMIO_DH(SKL_PS_CTRL(PIPE_A, 0), D_SKL_PLUS, NULL, pf_write);
2683 	MMIO_DH(SKL_PS_CTRL(PIPE_A, 1), D_SKL_PLUS, NULL, pf_write);
2684 	MMIO_DH(SKL_PS_CTRL(PIPE_B, 0), D_SKL_PLUS, NULL, pf_write);
2685 	MMIO_DH(SKL_PS_CTRL(PIPE_B, 1), D_SKL_PLUS, NULL, pf_write);
2686 	MMIO_DH(SKL_PS_CTRL(PIPE_C, 0), D_SKL_PLUS, NULL, pf_write);
2687 	MMIO_DH(SKL_PS_CTRL(PIPE_C, 1), D_SKL_PLUS, NULL, pf_write);
2688 
2689 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 0), D_SKL_PLUS, NULL, NULL);
2690 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 1), D_SKL_PLUS, NULL, NULL);
2691 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 2), D_SKL_PLUS, NULL, NULL);
2692 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 3), D_SKL_PLUS, NULL, NULL);
2693 
2694 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 0), D_SKL_PLUS, NULL, NULL);
2695 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 1), D_SKL_PLUS, NULL, NULL);
2696 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 2), D_SKL_PLUS, NULL, NULL);
2697 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 3), D_SKL_PLUS, NULL, NULL);
2698 
2699 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 0), D_SKL_PLUS, NULL, NULL);
2700 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 1), D_SKL_PLUS, NULL, NULL);
2701 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 2), D_SKL_PLUS, NULL, NULL);
2702 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 3), D_SKL_PLUS, NULL, NULL);
2703 
2704 	MMIO_DH(CUR_BUF_CFG(PIPE_A), D_SKL_PLUS, NULL, NULL);
2705 	MMIO_DH(CUR_BUF_CFG(PIPE_B), D_SKL_PLUS, NULL, NULL);
2706 	MMIO_DH(CUR_BUF_CFG(PIPE_C), D_SKL_PLUS, NULL, NULL);
2707 
2708 	MMIO_F(PLANE_WM(PIPE_A, 0, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2709 	MMIO_F(PLANE_WM(PIPE_A, 1, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2710 	MMIO_F(PLANE_WM(PIPE_A, 2, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2711 
2712 	MMIO_F(PLANE_WM(PIPE_B, 0, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2713 	MMIO_F(PLANE_WM(PIPE_B, 1, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2714 	MMIO_F(PLANE_WM(PIPE_B, 2, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2715 
2716 	MMIO_F(PLANE_WM(PIPE_C, 0, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2717 	MMIO_F(PLANE_WM(PIPE_C, 1, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2718 	MMIO_F(PLANE_WM(PIPE_C, 2, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2719 
2720 	MMIO_F(CUR_WM(PIPE_A, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2721 	MMIO_F(CUR_WM(PIPE_B, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2722 	MMIO_F(CUR_WM(PIPE_C, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2723 
2724 	MMIO_DH(PLANE_WM_TRANS(PIPE_A, 0), D_SKL_PLUS, NULL, NULL);
2725 	MMIO_DH(PLANE_WM_TRANS(PIPE_A, 1), D_SKL_PLUS, NULL, NULL);
2726 	MMIO_DH(PLANE_WM_TRANS(PIPE_A, 2), D_SKL_PLUS, NULL, NULL);
2727 
2728 	MMIO_DH(PLANE_WM_TRANS(PIPE_B, 0), D_SKL_PLUS, NULL, NULL);
2729 	MMIO_DH(PLANE_WM_TRANS(PIPE_B, 1), D_SKL_PLUS, NULL, NULL);
2730 	MMIO_DH(PLANE_WM_TRANS(PIPE_B, 2), D_SKL_PLUS, NULL, NULL);
2731 
2732 	MMIO_DH(PLANE_WM_TRANS(PIPE_C, 0), D_SKL_PLUS, NULL, NULL);
2733 	MMIO_DH(PLANE_WM_TRANS(PIPE_C, 1), D_SKL_PLUS, NULL, NULL);
2734 	MMIO_DH(PLANE_WM_TRANS(PIPE_C, 2), D_SKL_PLUS, NULL, NULL);
2735 
2736 	MMIO_DH(CUR_WM_TRANS(PIPE_A), D_SKL_PLUS, NULL, NULL);
2737 	MMIO_DH(CUR_WM_TRANS(PIPE_B), D_SKL_PLUS, NULL, NULL);
2738 	MMIO_DH(CUR_WM_TRANS(PIPE_C), D_SKL_PLUS, NULL, NULL);
2739 
2740 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 0), D_SKL_PLUS, NULL, NULL);
2741 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 1), D_SKL_PLUS, NULL, NULL);
2742 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 2), D_SKL_PLUS, NULL, NULL);
2743 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 3), D_SKL_PLUS, NULL, NULL);
2744 
2745 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 0), D_SKL_PLUS, NULL, NULL);
2746 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 1), D_SKL_PLUS, NULL, NULL);
2747 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 2), D_SKL_PLUS, NULL, NULL);
2748 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 3), D_SKL_PLUS, NULL, NULL);
2749 
2750 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 0), D_SKL_PLUS, NULL, NULL);
2751 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 1), D_SKL_PLUS, NULL, NULL);
2752 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 2), D_SKL_PLUS, NULL, NULL);
2753 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 3), D_SKL_PLUS, NULL, NULL);
2754 
2755 	MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 1)), D_SKL_PLUS, NULL, NULL);
2756 	MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 2)), D_SKL_PLUS, NULL, NULL);
2757 	MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 3)), D_SKL_PLUS, NULL, NULL);
2758 	MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 4)), D_SKL_PLUS, NULL, NULL);
2759 
2760 	MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 1)), D_SKL_PLUS, NULL, NULL);
2761 	MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 2)), D_SKL_PLUS, NULL, NULL);
2762 	MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 3)), D_SKL_PLUS, NULL, NULL);
2763 	MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 4)), D_SKL_PLUS, NULL, NULL);
2764 
2765 	MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 1)), D_SKL_PLUS, NULL, NULL);
2766 	MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 2)), D_SKL_PLUS, NULL, NULL);
2767 	MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 3)), D_SKL_PLUS, NULL, NULL);
2768 	MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 4)), D_SKL_PLUS, NULL, NULL);
2769 
2770 	MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 1)), D_SKL_PLUS, NULL, NULL);
2771 	MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 2)), D_SKL_PLUS, NULL, NULL);
2772 	MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 3)), D_SKL_PLUS, NULL, NULL);
2773 	MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 4)), D_SKL_PLUS, NULL, NULL);
2774 
2775 	MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 1)), D_SKL_PLUS, NULL, NULL);
2776 	MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 2)), D_SKL_PLUS, NULL, NULL);
2777 	MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 3)), D_SKL_PLUS, NULL, NULL);
2778 	MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 4)), D_SKL_PLUS, NULL, NULL);
2779 
2780 	MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 1)), D_SKL_PLUS, NULL, NULL);
2781 	MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 2)), D_SKL_PLUS, NULL, NULL);
2782 	MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 3)), D_SKL_PLUS, NULL, NULL);
2783 	MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 4)), D_SKL_PLUS, NULL, NULL);
2784 
2785 	MMIO_D(_MMIO(0x70380), D_SKL_PLUS);
2786 	MMIO_D(_MMIO(0x71380), D_SKL_PLUS);
2787 	MMIO_D(_MMIO(0x72380), D_SKL_PLUS);
2788 	MMIO_D(_MMIO(0x7039c), D_SKL_PLUS);
2789 
2790 	MMIO_D(_MMIO(0x8f074), D_SKL | D_KBL);
2791 	MMIO_D(_MMIO(0x8f004), D_SKL | D_KBL);
2792 	MMIO_D(_MMIO(0x8f034), D_SKL | D_KBL);
2793 
2794 	MMIO_D(_MMIO(0xb11c), D_SKL | D_KBL);
2795 
2796 	MMIO_D(_MMIO(0x51000), D_SKL | D_KBL);
2797 	MMIO_D(_MMIO(0x6c00c), D_SKL_PLUS);
2798 
2799 	MMIO_F(_MMIO(0xc800), 0x7f8, F_CMD_ACCESS, 0, 0, D_SKL | D_KBL, NULL, NULL);
2800 	MMIO_F(_MMIO(0xb020), 0x80, F_CMD_ACCESS, 0, 0, D_SKL | D_KBL, NULL, NULL);
2801 
2802 	MMIO_D(_MMIO(0xd08), D_SKL_PLUS);
2803 	MMIO_DFH(_MMIO(0x20e0), D_SKL_PLUS, F_MODE_MASK, NULL, NULL);
2804 	MMIO_DFH(_MMIO(0x20ec), D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2805 
2806 	/* TRTT */
2807 	MMIO_DFH(_MMIO(0x4de0), D_SKL | D_KBL, F_CMD_ACCESS, NULL, NULL);
2808 	MMIO_DFH(_MMIO(0x4de4), D_SKL | D_KBL, F_CMD_ACCESS, NULL, NULL);
2809 	MMIO_DFH(_MMIO(0x4de8), D_SKL | D_KBL, F_CMD_ACCESS, NULL, NULL);
2810 	MMIO_DFH(_MMIO(0x4dec), D_SKL | D_KBL, F_CMD_ACCESS, NULL, NULL);
2811 	MMIO_DFH(_MMIO(0x4df0), D_SKL | D_KBL, F_CMD_ACCESS, NULL, NULL);
2812 	MMIO_DFH(_MMIO(0x4df4), D_SKL | D_KBL, F_CMD_ACCESS, NULL, gen9_trtte_write);
2813 	MMIO_DH(_MMIO(0x4dfc), D_SKL | D_KBL, NULL, gen9_trtt_chicken_write);
2814 
2815 	MMIO_D(_MMIO(0x45008), D_SKL | D_KBL);
2816 
2817 	MMIO_D(_MMIO(0x46430), D_SKL | D_KBL);
2818 
2819 	MMIO_D(_MMIO(0x46520), D_SKL | D_KBL);
2820 
2821 	MMIO_D(_MMIO(0xc403c), D_SKL | D_KBL);
2822 	MMIO_D(_MMIO(0xb004), D_SKL_PLUS);
2823 	MMIO_DH(DMA_CTRL, D_SKL_PLUS, NULL, dma_ctrl_write);
2824 
2825 	MMIO_D(_MMIO(0x65900), D_SKL_PLUS);
2826 	MMIO_D(_MMIO(0x1082c0), D_SKL | D_KBL);
2827 	MMIO_D(_MMIO(0x4068), D_SKL | D_KBL);
2828 	MMIO_D(_MMIO(0x67054), D_SKL | D_KBL);
2829 	MMIO_D(_MMIO(0x6e560), D_SKL | D_KBL);
2830 	MMIO_D(_MMIO(0x6e554), D_SKL | D_KBL);
2831 	MMIO_D(_MMIO(0x2b20), D_SKL | D_KBL);
2832 	MMIO_D(_MMIO(0x65f00), D_SKL | D_KBL);
2833 	MMIO_D(_MMIO(0x65f08), D_SKL | D_KBL);
2834 	MMIO_D(_MMIO(0x320f0), D_SKL | D_KBL);
2835 
2836 	MMIO_D(_MMIO(0x70034), D_SKL_PLUS);
2837 	MMIO_D(_MMIO(0x71034), D_SKL_PLUS);
2838 	MMIO_D(_MMIO(0x72034), D_SKL_PLUS);
2839 
2840 	MMIO_D(_MMIO(_PLANE_KEYVAL_1(PIPE_A)), D_SKL_PLUS);
2841 	MMIO_D(_MMIO(_PLANE_KEYVAL_1(PIPE_B)), D_SKL_PLUS);
2842 	MMIO_D(_MMIO(_PLANE_KEYVAL_1(PIPE_C)), D_SKL_PLUS);
2843 	MMIO_D(_MMIO(_PLANE_KEYMAX_1(PIPE_A)), D_SKL_PLUS);
2844 	MMIO_D(_MMIO(_PLANE_KEYMAX_1(PIPE_B)), D_SKL_PLUS);
2845 	MMIO_D(_MMIO(_PLANE_KEYMAX_1(PIPE_C)), D_SKL_PLUS);
2846 	MMIO_D(_MMIO(_PLANE_KEYMSK_1(PIPE_A)), D_SKL_PLUS);
2847 	MMIO_D(_MMIO(_PLANE_KEYMSK_1(PIPE_B)), D_SKL_PLUS);
2848 	MMIO_D(_MMIO(_PLANE_KEYMSK_1(PIPE_C)), D_SKL_PLUS);
2849 
2850 	MMIO_D(_MMIO(0x44500), D_SKL_PLUS);
2851 	MMIO_DFH(GEN9_CSFE_CHICKEN1_RCS, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
2852 	MMIO_DFH(GEN8_HDC_CHICKEN1, D_SKL | D_KBL, F_MODE_MASK | F_CMD_ACCESS,
2853 		NULL, NULL);
2854 
2855 	MMIO_D(_MMIO(0x4ab8), D_KBL);
2856 	MMIO_D(_MMIO(0x2248), D_SKL_PLUS | D_KBL);
2857 
2858 	return 0;
2859 }
2860 
2861 static struct gvt_mmio_block *find_mmio_block(struct intel_gvt *gvt,
2862 					      unsigned int offset)
2863 {
2864 	unsigned long device = intel_gvt_get_device_type(gvt);
2865 	struct gvt_mmio_block *block = gvt->mmio.mmio_block;
2866 	int num = gvt->mmio.num_mmio_block;
2867 	int i;
2868 
2869 	for (i = 0; i < num; i++, block++) {
2870 		if (!(device & block->device))
2871 			continue;
2872 		if (offset >= i915_mmio_reg_offset(block->offset) &&
2873 		    offset < i915_mmio_reg_offset(block->offset) + block->size)
2874 			return block;
2875 	}
2876 	return NULL;
2877 }
2878 
2879 /**
2880  * intel_gvt_clean_mmio_info - clean up MMIO information table for GVT device
2881  * @gvt: GVT device
2882  *
2883  * This function is called at the driver unloading stage, to clean up the MMIO
2884  * information table of GVT device
2885  *
2886  */
2887 void intel_gvt_clean_mmio_info(struct intel_gvt *gvt)
2888 {
2889 	struct hlist_node *tmp;
2890 	struct intel_gvt_mmio_info *e;
2891 	int i;
2892 
2893 	hash_for_each_safe(gvt->mmio.mmio_info_table, i, tmp, e, node)
2894 		kfree(e);
2895 
2896 	vfree(gvt->mmio.mmio_attribute);
2897 	gvt->mmio.mmio_attribute = NULL;
2898 }
2899 
2900 /* Special MMIO blocks. */
2901 static struct gvt_mmio_block mmio_blocks[] = {
2902 	{D_SKL_PLUS, _MMIO(CSR_MMIO_START_RANGE), 0x3000, NULL, NULL},
2903 	{D_ALL, _MMIO(MCHBAR_MIRROR_BASE_SNB), 0x40000, NULL, NULL},
2904 	{D_ALL, _MMIO(VGT_PVINFO_PAGE), VGT_PVINFO_SIZE,
2905 		pvinfo_mmio_read, pvinfo_mmio_write},
2906 	{D_ALL, LGC_PALETTE(PIPE_A, 0), 1024, NULL, NULL},
2907 	{D_ALL, LGC_PALETTE(PIPE_B, 0), 1024, NULL, NULL},
2908 	{D_ALL, LGC_PALETTE(PIPE_C, 0), 1024, NULL, NULL},
2909 };
2910 
2911 /**
2912  * intel_gvt_setup_mmio_info - setup MMIO information table for GVT device
2913  * @gvt: GVT device
2914  *
2915  * This function is called at the initialization stage, to setup the MMIO
2916  * information table for GVT device
2917  *
2918  * Returns:
2919  * zero on success, negative if failed.
2920  */
2921 int intel_gvt_setup_mmio_info(struct intel_gvt *gvt)
2922 {
2923 	struct intel_gvt_device_info *info = &gvt->device_info;
2924 	struct drm_i915_private *dev_priv = gvt->dev_priv;
2925 	int size = info->mmio_size / 4 * sizeof(*gvt->mmio.mmio_attribute);
2926 	int ret;
2927 
2928 	gvt->mmio.mmio_attribute = vzalloc(size);
2929 	if (!gvt->mmio.mmio_attribute)
2930 		return -ENOMEM;
2931 
2932 	ret = init_generic_mmio_info(gvt);
2933 	if (ret)
2934 		goto err;
2935 
2936 	if (IS_BROADWELL(dev_priv)) {
2937 		ret = init_broadwell_mmio_info(gvt);
2938 		if (ret)
2939 			goto err;
2940 	} else if (IS_SKYLAKE(dev_priv)
2941 		|| IS_KABYLAKE(dev_priv)) {
2942 		ret = init_broadwell_mmio_info(gvt);
2943 		if (ret)
2944 			goto err;
2945 		ret = init_skl_mmio_info(gvt);
2946 		if (ret)
2947 			goto err;
2948 	}
2949 
2950 	gvt->mmio.mmio_block = mmio_blocks;
2951 	gvt->mmio.num_mmio_block = ARRAY_SIZE(mmio_blocks);
2952 
2953 	return 0;
2954 err:
2955 	intel_gvt_clean_mmio_info(gvt);
2956 	return ret;
2957 }
2958 
2959 /**
2960  * intel_gvt_for_each_tracked_mmio - iterate each tracked mmio
2961  * @gvt: a GVT device
2962  * @handler: the handler
2963  * @data: private data given to handler
2964  *
2965  * Returns:
2966  * Zero on success, negative error code if failed.
2967  */
2968 int intel_gvt_for_each_tracked_mmio(struct intel_gvt *gvt,
2969 	int (*handler)(struct intel_gvt *gvt, u32 offset, void *data),
2970 	void *data)
2971 {
2972 	struct gvt_mmio_block *block = gvt->mmio.mmio_block;
2973 	struct intel_gvt_mmio_info *e;
2974 	int i, j, ret;
2975 
2976 	hash_for_each(gvt->mmio.mmio_info_table, i, e, node) {
2977 		ret = handler(gvt, e->offset, data);
2978 		if (ret)
2979 			return ret;
2980 	}
2981 
2982 	for (i = 0; i < gvt->mmio.num_mmio_block; i++, block++) {
2983 		for (j = 0; j < block->size; j += 4) {
2984 			ret = handler(gvt,
2985 				      i915_mmio_reg_offset(block->offset) + j,
2986 				      data);
2987 			if (ret)
2988 				return ret;
2989 		}
2990 	}
2991 	return 0;
2992 }
2993 
2994 /**
2995  * intel_vgpu_default_mmio_read - default MMIO read handler
2996  * @vgpu: a vGPU
2997  * @offset: access offset
2998  * @p_data: data return buffer
2999  * @bytes: access data length
3000  *
3001  * Returns:
3002  * Zero on success, negative error code if failed.
3003  */
3004 int intel_vgpu_default_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
3005 		void *p_data, unsigned int bytes)
3006 {
3007 	read_vreg(vgpu, offset, p_data, bytes);
3008 	return 0;
3009 }
3010 
3011 /**
3012  * intel_t_default_mmio_write - default MMIO write handler
3013  * @vgpu: a vGPU
3014  * @offset: access offset
3015  * @p_data: write data buffer
3016  * @bytes: access data length
3017  *
3018  * Returns:
3019  * Zero on success, negative error code if failed.
3020  */
3021 int intel_vgpu_default_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
3022 		void *p_data, unsigned int bytes)
3023 {
3024 	write_vreg(vgpu, offset, p_data, bytes);
3025 	return 0;
3026 }
3027 
3028 /**
3029  * intel_gvt_in_force_nonpriv_whitelist - if a mmio is in whitelist to be
3030  * force-nopriv register
3031  *
3032  * @gvt: a GVT device
3033  * @offset: register offset
3034  *
3035  * Returns:
3036  * True if the register is in force-nonpriv whitelist;
3037  * False if outside;
3038  */
3039 bool intel_gvt_in_force_nonpriv_whitelist(struct intel_gvt *gvt,
3040 					  unsigned int offset)
3041 {
3042 	return in_whitelist(offset);
3043 }
3044 
3045 /**
3046  * intel_vgpu_mmio_reg_rw - emulate tracked mmio registers
3047  * @vgpu: a vGPU
3048  * @offset: register offset
3049  * @pdata: data buffer
3050  * @bytes: data length
3051  *
3052  * Returns:
3053  * Zero on success, negative error code if failed.
3054  */
3055 int intel_vgpu_mmio_reg_rw(struct intel_vgpu *vgpu, unsigned int offset,
3056 			   void *pdata, unsigned int bytes, bool is_read)
3057 {
3058 	struct intel_gvt *gvt = vgpu->gvt;
3059 	struct intel_gvt_mmio_info *mmio_info;
3060 	struct gvt_mmio_block *mmio_block;
3061 	gvt_mmio_func func;
3062 	int ret;
3063 
3064 	if (WARN_ON(bytes > 8))
3065 		return -EINVAL;
3066 
3067 	/*
3068 	 * Handle special MMIO blocks.
3069 	 */
3070 	mmio_block = find_mmio_block(gvt, offset);
3071 	if (mmio_block) {
3072 		func = is_read ? mmio_block->read : mmio_block->write;
3073 		if (func)
3074 			return func(vgpu, offset, pdata, bytes);
3075 		goto default_rw;
3076 	}
3077 
3078 	/*
3079 	 * Normal tracked MMIOs.
3080 	 */
3081 	mmio_info = find_mmio_info(gvt, offset);
3082 	if (!mmio_info) {
3083 		if (!vgpu->mmio.disable_warn_untrack)
3084 			gvt_vgpu_err("untracked MMIO %08x len %d\n",
3085 				     offset, bytes);
3086 		goto default_rw;
3087 	}
3088 
3089 	if (is_read)
3090 		return mmio_info->read(vgpu, offset, pdata, bytes);
3091 	else {
3092 		u64 ro_mask = mmio_info->ro_mask;
3093 		u32 old_vreg = 0, old_sreg = 0;
3094 		u64 data = 0;
3095 
3096 		if (intel_gvt_mmio_has_mode_mask(gvt, mmio_info->offset)) {
3097 			old_vreg = vgpu_vreg(vgpu, offset);
3098 			old_sreg = vgpu_sreg(vgpu, offset);
3099 		}
3100 
3101 		if (likely(!ro_mask))
3102 			ret = mmio_info->write(vgpu, offset, pdata, bytes);
3103 		else if (!~ro_mask) {
3104 			gvt_vgpu_err("try to write RO reg %x\n", offset);
3105 			return 0;
3106 		} else {
3107 			/* keep the RO bits in the virtual register */
3108 			memcpy(&data, pdata, bytes);
3109 			data &= ~ro_mask;
3110 			data |= vgpu_vreg(vgpu, offset) & ro_mask;
3111 			ret = mmio_info->write(vgpu, offset, &data, bytes);
3112 		}
3113 
3114 		/* higher 16bits of mode ctl regs are mask bits for change */
3115 		if (intel_gvt_mmio_has_mode_mask(gvt, mmio_info->offset)) {
3116 			u32 mask = vgpu_vreg(vgpu, offset) >> 16;
3117 
3118 			vgpu_vreg(vgpu, offset) = (old_vreg & ~mask)
3119 					| (vgpu_vreg(vgpu, offset) & mask);
3120 			vgpu_sreg(vgpu, offset) = (old_sreg & ~mask)
3121 					| (vgpu_sreg(vgpu, offset) & mask);
3122 		}
3123 	}
3124 
3125 	return ret;
3126 
3127 default_rw:
3128 	return is_read ?
3129 		intel_vgpu_default_mmio_read(vgpu, offset, pdata, bytes) :
3130 		intel_vgpu_default_mmio_write(vgpu, offset, pdata, bytes);
3131 }
3132