xref: /openbmc/linux/drivers/gpu/drm/i915/gvt/handlers.c (revision 4ed91d48259d9ddd378424d008f2e6559f7e78f8)
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 /* Register contains RO bits */
51 #define F_RO		(1 << 0)
52 /* Register contains graphics address */
53 #define F_GMADR		(1 << 1)
54 /* Mode mask registers with high 16 bits as the mask bits */
55 #define F_MODE_MASK	(1 << 2)
56 /* This reg can be accessed by GPU commands */
57 #define F_CMD_ACCESS	(1 << 3)
58 /* This reg has been accessed by a VM */
59 #define F_ACCESSED	(1 << 4)
60 /* This reg has been accessed through GPU commands */
61 #define F_CMD_ACCESSED	(1 << 5)
62 /* This reg could be accessed by unaligned address */
63 #define F_UNALIGN	(1 << 6)
64 
65 unsigned long intel_gvt_get_device_type(struct intel_gvt *gvt)
66 {
67 	if (IS_BROADWELL(gvt->dev_priv))
68 		return D_BDW;
69 	else if (IS_SKYLAKE(gvt->dev_priv))
70 		return D_SKL;
71 
72 	return 0;
73 }
74 
75 bool intel_gvt_match_device(struct intel_gvt *gvt,
76 		unsigned long device)
77 {
78 	return intel_gvt_get_device_type(gvt) & device;
79 }
80 
81 static void read_vreg(struct intel_vgpu *vgpu, unsigned int offset,
82 	void *p_data, unsigned int bytes)
83 {
84 	memcpy(p_data, &vgpu_vreg(vgpu, offset), bytes);
85 }
86 
87 static void write_vreg(struct intel_vgpu *vgpu, unsigned int offset,
88 	void *p_data, unsigned int bytes)
89 {
90 	memcpy(&vgpu_vreg(vgpu, offset), p_data, bytes);
91 }
92 
93 static int new_mmio_info(struct intel_gvt *gvt,
94 		u32 offset, u32 flags, u32 size,
95 		u32 addr_mask, u32 ro_mask, u32 device,
96 		int (*read)(struct intel_vgpu *, unsigned int, void *, unsigned int),
97 		int (*write)(struct intel_vgpu *, unsigned int, void *, unsigned int))
98 {
99 	struct intel_gvt_mmio_info *info, *p;
100 	u32 start, end, i;
101 
102 	if (!intel_gvt_match_device(gvt, device))
103 		return 0;
104 
105 	if (WARN_ON(!IS_ALIGNED(offset, 4)))
106 		return -EINVAL;
107 
108 	start = offset;
109 	end = offset + size;
110 
111 	for (i = start; i < end; i += 4) {
112 		info = kzalloc(sizeof(*info), GFP_KERNEL);
113 		if (!info)
114 			return -ENOMEM;
115 
116 		info->offset = i;
117 		p = intel_gvt_find_mmio_info(gvt, info->offset);
118 		if (p)
119 			gvt_err("dup mmio definition offset %x\n",
120 				info->offset);
121 		info->size = size;
122 		info->length = (i + 4) < end ? 4 : (end - i);
123 		info->addr_mask = addr_mask;
124 		info->ro_mask = ro_mask;
125 		info->device = device;
126 		info->read = read ? read : intel_vgpu_default_mmio_read;
127 		info->write = write ? write : intel_vgpu_default_mmio_write;
128 		gvt->mmio.mmio_attribute[info->offset / 4] = flags;
129 		INIT_HLIST_NODE(&info->node);
130 		hash_add(gvt->mmio.mmio_info_table, &info->node, info->offset);
131 	}
132 	return 0;
133 }
134 
135 static int render_mmio_to_ring_id(struct intel_gvt *gvt, unsigned int reg)
136 {
137 	enum intel_engine_id id;
138 	struct intel_engine_cs *engine;
139 
140 	reg &= ~GENMASK(11, 0);
141 	for_each_engine(engine, gvt->dev_priv, id) {
142 		if (engine->mmio_base == reg)
143 			return id;
144 	}
145 	return -1;
146 }
147 
148 #define offset_to_fence_num(offset) \
149 	((offset - i915_mmio_reg_offset(FENCE_REG_GEN6_LO(0))) >> 3)
150 
151 #define fence_num_to_offset(num) \
152 	(num * 8 + i915_mmio_reg_offset(FENCE_REG_GEN6_LO(0)))
153 
154 
155 static void enter_failsafe_mode(struct intel_vgpu *vgpu, int reason)
156 {
157 	switch (reason) {
158 	case GVT_FAILSAFE_UNSUPPORTED_GUEST:
159 		pr_err("Detected your guest driver doesn't support GVT-g.\n");
160 		break;
161 	case GVT_FAILSAFE_INSUFFICIENT_RESOURCE:
162 		pr_err("Graphics resource is not enough for the guest\n");
163 	default:
164 		break;
165 	}
166 	pr_err("Now vgpu %d will enter failsafe mode.\n", vgpu->id);
167 	vgpu->failsafe = true;
168 }
169 
170 static int sanitize_fence_mmio_access(struct intel_vgpu *vgpu,
171 		unsigned int fence_num, void *p_data, unsigned int bytes)
172 {
173 	if (fence_num >= vgpu_fence_sz(vgpu)) {
174 
175 		/* When guest access oob fence regs without access
176 		 * pv_info first, we treat guest not supporting GVT,
177 		 * and we will let vgpu enter failsafe mode.
178 		 */
179 		if (!vgpu->pv_notified)
180 			enter_failsafe_mode(vgpu,
181 					GVT_FAILSAFE_UNSUPPORTED_GUEST);
182 
183 		if (!vgpu->mmio.disable_warn_untrack) {
184 			gvt_err("vgpu%d: found oob fence register access\n",
185 					vgpu->id);
186 			gvt_err("vgpu%d: total fence %d, access fence %d\n",
187 					vgpu->id, vgpu_fence_sz(vgpu),
188 					fence_num);
189 		}
190 		memset(p_data, 0, bytes);
191 		return -EINVAL;
192 	}
193 	return 0;
194 }
195 
196 static int fence_mmio_read(struct intel_vgpu *vgpu, unsigned int off,
197 		void *p_data, unsigned int bytes)
198 {
199 	int ret;
200 
201 	ret = sanitize_fence_mmio_access(vgpu, offset_to_fence_num(off),
202 			p_data, bytes);
203 	if (ret)
204 		return ret;
205 	read_vreg(vgpu, off, p_data, bytes);
206 	return 0;
207 }
208 
209 static int fence_mmio_write(struct intel_vgpu *vgpu, unsigned int off,
210 		void *p_data, unsigned int bytes)
211 {
212 	unsigned int fence_num = offset_to_fence_num(off);
213 	int ret;
214 
215 	ret = sanitize_fence_mmio_access(vgpu, fence_num, p_data, bytes);
216 	if (ret)
217 		return ret;
218 	write_vreg(vgpu, off, p_data, bytes);
219 
220 	intel_vgpu_write_fence(vgpu, fence_num,
221 			vgpu_vreg64(vgpu, fence_num_to_offset(fence_num)));
222 	return 0;
223 }
224 
225 #define CALC_MODE_MASK_REG(old, new) \
226 	(((new) & GENMASK(31, 16)) \
227 	 | ((((old) & GENMASK(15, 0)) & ~((new) >> 16)) \
228 	 | ((new) & ((new) >> 16))))
229 
230 static int mul_force_wake_write(struct intel_vgpu *vgpu,
231 		unsigned int offset, void *p_data, unsigned int bytes)
232 {
233 	u32 old, new;
234 	uint32_t ack_reg_offset;
235 
236 	old = vgpu_vreg(vgpu, offset);
237 	new = CALC_MODE_MASK_REG(old, *(u32 *)p_data);
238 
239 	if (IS_SKYLAKE(vgpu->gvt->dev_priv)) {
240 		switch (offset) {
241 		case FORCEWAKE_RENDER_GEN9_REG:
242 			ack_reg_offset = FORCEWAKE_ACK_RENDER_GEN9_REG;
243 			break;
244 		case FORCEWAKE_BLITTER_GEN9_REG:
245 			ack_reg_offset = FORCEWAKE_ACK_BLITTER_GEN9_REG;
246 			break;
247 		case FORCEWAKE_MEDIA_GEN9_REG:
248 			ack_reg_offset = FORCEWAKE_ACK_MEDIA_GEN9_REG;
249 			break;
250 		default:
251 			/*should not hit here*/
252 			gvt_err("invalid forcewake offset 0x%x\n", offset);
253 			return -EINVAL;
254 		}
255 	} else {
256 		ack_reg_offset = FORCEWAKE_ACK_HSW_REG;
257 	}
258 
259 	vgpu_vreg(vgpu, offset) = new;
260 	vgpu_vreg(vgpu, ack_reg_offset) = (new & GENMASK(15, 0));
261 	return 0;
262 }
263 
264 static int gdrst_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
265 			    void *p_data, unsigned int bytes)
266 {
267 	unsigned int engine_mask = 0;
268 	u32 data;
269 
270 	write_vreg(vgpu, offset, p_data, bytes);
271 	data = vgpu_vreg(vgpu, offset);
272 
273 	if (data & GEN6_GRDOM_FULL) {
274 		gvt_dbg_mmio("vgpu%d: request full GPU reset\n", vgpu->id);
275 		engine_mask = ALL_ENGINES;
276 	} else {
277 		if (data & GEN6_GRDOM_RENDER) {
278 			gvt_dbg_mmio("vgpu%d: request RCS reset\n", vgpu->id);
279 			engine_mask |= (1 << RCS);
280 		}
281 		if (data & GEN6_GRDOM_MEDIA) {
282 			gvt_dbg_mmio("vgpu%d: request VCS reset\n", vgpu->id);
283 			engine_mask |= (1 << VCS);
284 		}
285 		if (data & GEN6_GRDOM_BLT) {
286 			gvt_dbg_mmio("vgpu%d: request BCS Reset\n", vgpu->id);
287 			engine_mask |= (1 << BCS);
288 		}
289 		if (data & GEN6_GRDOM_VECS) {
290 			gvt_dbg_mmio("vgpu%d: request VECS Reset\n", vgpu->id);
291 			engine_mask |= (1 << VECS);
292 		}
293 		if (data & GEN8_GRDOM_MEDIA2) {
294 			gvt_dbg_mmio("vgpu%d: request VCS2 Reset\n", vgpu->id);
295 			if (HAS_BSD2(vgpu->gvt->dev_priv))
296 				engine_mask |= (1 << VCS2);
297 		}
298 	}
299 
300 	intel_gvt_reset_vgpu_locked(vgpu, false, engine_mask);
301 
302 	return 0;
303 }
304 
305 static int gmbus_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
306 		void *p_data, unsigned int bytes)
307 {
308 	return intel_gvt_i2c_handle_gmbus_read(vgpu, offset, p_data, bytes);
309 }
310 
311 static int gmbus_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
312 		void *p_data, unsigned int bytes)
313 {
314 	return intel_gvt_i2c_handle_gmbus_write(vgpu, offset, p_data, bytes);
315 }
316 
317 static int pch_pp_control_mmio_write(struct intel_vgpu *vgpu,
318 		unsigned int offset, void *p_data, unsigned int bytes)
319 {
320 	write_vreg(vgpu, offset, p_data, bytes);
321 
322 	if (vgpu_vreg(vgpu, offset) & PANEL_POWER_ON) {
323 		vgpu_vreg(vgpu, PCH_PP_STATUS) |= PP_ON;
324 		vgpu_vreg(vgpu, PCH_PP_STATUS) |= PP_SEQUENCE_STATE_ON_IDLE;
325 		vgpu_vreg(vgpu, PCH_PP_STATUS) &= ~PP_SEQUENCE_POWER_DOWN;
326 		vgpu_vreg(vgpu, PCH_PP_STATUS) &= ~PP_CYCLE_DELAY_ACTIVE;
327 
328 	} else
329 		vgpu_vreg(vgpu, PCH_PP_STATUS) &=
330 			~(PP_ON | PP_SEQUENCE_POWER_DOWN
331 					| PP_CYCLE_DELAY_ACTIVE);
332 	return 0;
333 }
334 
335 static int transconf_mmio_write(struct intel_vgpu *vgpu,
336 		unsigned int offset, void *p_data, unsigned int bytes)
337 {
338 	write_vreg(vgpu, offset, p_data, bytes);
339 
340 	if (vgpu_vreg(vgpu, offset) & TRANS_ENABLE)
341 		vgpu_vreg(vgpu, offset) |= TRANS_STATE_ENABLE;
342 	else
343 		vgpu_vreg(vgpu, offset) &= ~TRANS_STATE_ENABLE;
344 	return 0;
345 }
346 
347 static int lcpll_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
348 		void *p_data, unsigned int bytes)
349 {
350 	write_vreg(vgpu, offset, p_data, bytes);
351 
352 	if (vgpu_vreg(vgpu, offset) & LCPLL_PLL_DISABLE)
353 		vgpu_vreg(vgpu, offset) &= ~LCPLL_PLL_LOCK;
354 	else
355 		vgpu_vreg(vgpu, offset) |= LCPLL_PLL_LOCK;
356 
357 	if (vgpu_vreg(vgpu, offset) & LCPLL_CD_SOURCE_FCLK)
358 		vgpu_vreg(vgpu, offset) |= LCPLL_CD_SOURCE_FCLK_DONE;
359 	else
360 		vgpu_vreg(vgpu, offset) &= ~LCPLL_CD_SOURCE_FCLK_DONE;
361 
362 	return 0;
363 }
364 
365 static int dpy_reg_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
366 		void *p_data, unsigned int bytes)
367 {
368 	*(u32 *)p_data = (1 << 17);
369 	return 0;
370 }
371 
372 static int dpy_reg_mmio_read_2(struct intel_vgpu *vgpu, unsigned int offset,
373 		void *p_data, unsigned int bytes)
374 {
375 	*(u32 *)p_data = 3;
376 	return 0;
377 }
378 
379 static int dpy_reg_mmio_read_3(struct intel_vgpu *vgpu, unsigned int offset,
380 		void *p_data, unsigned int bytes)
381 {
382 	*(u32 *)p_data = (0x2f << 16);
383 	return 0;
384 }
385 
386 static int pipeconf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
387 		void *p_data, unsigned int bytes)
388 {
389 	u32 data;
390 
391 	write_vreg(vgpu, offset, p_data, bytes);
392 	data = vgpu_vreg(vgpu, offset);
393 
394 	if (data & PIPECONF_ENABLE)
395 		vgpu_vreg(vgpu, offset) |= I965_PIPECONF_ACTIVE;
396 	else
397 		vgpu_vreg(vgpu, offset) &= ~I965_PIPECONF_ACTIVE;
398 	intel_gvt_check_vblank_emulation(vgpu->gvt);
399 	return 0;
400 }
401 
402 /* ascendingly sorted */
403 static i915_reg_t force_nonpriv_white_list[] = {
404 	GEN9_CS_DEBUG_MODE1, //_MMIO(0x20ec)
405 	GEN9_CTX_PREEMPT_REG,//_MMIO(0x2248)
406 	GEN8_CS_CHICKEN1,//_MMIO(0x2580)
407 	_MMIO(0x2690),
408 	_MMIO(0x2694),
409 	_MMIO(0x2698),
410 	_MMIO(0x4de0),
411 	_MMIO(0x4de4),
412 	_MMIO(0x4dfc),
413 	GEN7_COMMON_SLICE_CHICKEN1,//_MMIO(0x7010)
414 	_MMIO(0x7014),
415 	HDC_CHICKEN0,//_MMIO(0x7300)
416 	GEN8_HDC_CHICKEN1,//_MMIO(0x7304)
417 	_MMIO(0x7700),
418 	_MMIO(0x7704),
419 	_MMIO(0x7708),
420 	_MMIO(0x770c),
421 	_MMIO(0xb110),
422 	GEN8_L3SQCREG4,//_MMIO(0xb118)
423 	_MMIO(0xe100),
424 	_MMIO(0xe18c),
425 	_MMIO(0xe48c),
426 	_MMIO(0xe5f4),
427 };
428 
429 /* a simple bsearch */
430 static inline bool in_whitelist(unsigned int reg)
431 {
432 	int left = 0, right = ARRAY_SIZE(force_nonpriv_white_list);
433 	i915_reg_t *array = force_nonpriv_white_list;
434 
435 	while (left < right) {
436 		int mid = (left + right)/2;
437 
438 		if (reg > array[mid].reg)
439 			left = mid + 1;
440 		else if (reg < array[mid].reg)
441 			right = mid;
442 		else
443 			return true;
444 	}
445 	return false;
446 }
447 
448 static int force_nonpriv_write(struct intel_vgpu *vgpu,
449 	unsigned int offset, void *p_data, unsigned int bytes)
450 {
451 	u32 reg_nonpriv = *(u32 *)p_data;
452 	int ret = -EINVAL;
453 
454 	if ((bytes != 4) || ((offset & (bytes - 1)) != 0)) {
455 		gvt_err("vgpu(%d) Invalid FORCE_NONPRIV offset %x(%dB)\n",
456 			vgpu->id, offset, bytes);
457 		return ret;
458 	}
459 
460 	if (in_whitelist(reg_nonpriv)) {
461 		ret = intel_vgpu_default_mmio_write(vgpu, offset, p_data,
462 			bytes);
463 	} else {
464 		gvt_err("vgpu(%d) Invalid FORCE_NONPRIV write %x\n",
465 			vgpu->id, reg_nonpriv);
466 	}
467 	return ret;
468 }
469 
470 static int ddi_buf_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
471 		void *p_data, unsigned int bytes)
472 {
473 	write_vreg(vgpu, offset, p_data, bytes);
474 
475 	if (vgpu_vreg(vgpu, offset) & DDI_BUF_CTL_ENABLE) {
476 		vgpu_vreg(vgpu, offset) &= ~DDI_BUF_IS_IDLE;
477 	} else {
478 		vgpu_vreg(vgpu, offset) |= DDI_BUF_IS_IDLE;
479 		if (offset == i915_mmio_reg_offset(DDI_BUF_CTL(PORT_E)))
480 			vgpu_vreg(vgpu, DP_TP_STATUS(PORT_E))
481 				&= ~DP_TP_STATUS_AUTOTRAIN_DONE;
482 	}
483 	return 0;
484 }
485 
486 static int fdi_rx_iir_mmio_write(struct intel_vgpu *vgpu,
487 		unsigned int offset, void *p_data, unsigned int bytes)
488 {
489 	vgpu_vreg(vgpu, offset) &= ~*(u32 *)p_data;
490 	return 0;
491 }
492 
493 #define FDI_LINK_TRAIN_PATTERN1         0
494 #define FDI_LINK_TRAIN_PATTERN2         1
495 
496 static int fdi_auto_training_started(struct intel_vgpu *vgpu)
497 {
498 	u32 ddi_buf_ctl = vgpu_vreg(vgpu, DDI_BUF_CTL(PORT_E));
499 	u32 rx_ctl = vgpu_vreg(vgpu, _FDI_RXA_CTL);
500 	u32 tx_ctl = vgpu_vreg(vgpu, DP_TP_CTL(PORT_E));
501 
502 	if ((ddi_buf_ctl & DDI_BUF_CTL_ENABLE) &&
503 			(rx_ctl & FDI_RX_ENABLE) &&
504 			(rx_ctl & FDI_AUTO_TRAINING) &&
505 			(tx_ctl & DP_TP_CTL_ENABLE) &&
506 			(tx_ctl & DP_TP_CTL_FDI_AUTOTRAIN))
507 		return 1;
508 	else
509 		return 0;
510 }
511 
512 static int check_fdi_rx_train_status(struct intel_vgpu *vgpu,
513 		enum pipe pipe, unsigned int train_pattern)
514 {
515 	i915_reg_t fdi_rx_imr, fdi_tx_ctl, fdi_rx_ctl;
516 	unsigned int fdi_rx_check_bits, fdi_tx_check_bits;
517 	unsigned int fdi_rx_train_bits, fdi_tx_train_bits;
518 	unsigned int fdi_iir_check_bits;
519 
520 	fdi_rx_imr = FDI_RX_IMR(pipe);
521 	fdi_tx_ctl = FDI_TX_CTL(pipe);
522 	fdi_rx_ctl = FDI_RX_CTL(pipe);
523 
524 	if (train_pattern == FDI_LINK_TRAIN_PATTERN1) {
525 		fdi_rx_train_bits = FDI_LINK_TRAIN_PATTERN_1_CPT;
526 		fdi_tx_train_bits = FDI_LINK_TRAIN_PATTERN_1;
527 		fdi_iir_check_bits = FDI_RX_BIT_LOCK;
528 	} else if (train_pattern == FDI_LINK_TRAIN_PATTERN2) {
529 		fdi_rx_train_bits = FDI_LINK_TRAIN_PATTERN_2_CPT;
530 		fdi_tx_train_bits = FDI_LINK_TRAIN_PATTERN_2;
531 		fdi_iir_check_bits = FDI_RX_SYMBOL_LOCK;
532 	} else {
533 		gvt_err("Invalid train pattern %d\n", train_pattern);
534 		return -EINVAL;
535 	}
536 
537 	fdi_rx_check_bits = FDI_RX_ENABLE | fdi_rx_train_bits;
538 	fdi_tx_check_bits = FDI_TX_ENABLE | fdi_tx_train_bits;
539 
540 	/* If imr bit has been masked */
541 	if (vgpu_vreg(vgpu, fdi_rx_imr) & fdi_iir_check_bits)
542 		return 0;
543 
544 	if (((vgpu_vreg(vgpu, fdi_tx_ctl) & fdi_tx_check_bits)
545 			== fdi_tx_check_bits)
546 		&& ((vgpu_vreg(vgpu, fdi_rx_ctl) & fdi_rx_check_bits)
547 			== fdi_rx_check_bits))
548 		return 1;
549 	else
550 		return 0;
551 }
552 
553 #define INVALID_INDEX (~0U)
554 
555 static unsigned int calc_index(unsigned int offset, unsigned int start,
556 	unsigned int next, unsigned int end, i915_reg_t i915_end)
557 {
558 	unsigned int range = next - start;
559 
560 	if (!end)
561 		end = i915_mmio_reg_offset(i915_end);
562 	if (offset < start || offset > end)
563 		return INVALID_INDEX;
564 	offset -= start;
565 	return offset / range;
566 }
567 
568 #define FDI_RX_CTL_TO_PIPE(offset) \
569 	calc_index(offset, _FDI_RXA_CTL, _FDI_RXB_CTL, 0, FDI_RX_CTL(PIPE_C))
570 
571 #define FDI_TX_CTL_TO_PIPE(offset) \
572 	calc_index(offset, _FDI_TXA_CTL, _FDI_TXB_CTL, 0, FDI_TX_CTL(PIPE_C))
573 
574 #define FDI_RX_IMR_TO_PIPE(offset) \
575 	calc_index(offset, _FDI_RXA_IMR, _FDI_RXB_IMR, 0, FDI_RX_IMR(PIPE_C))
576 
577 static int update_fdi_rx_iir_status(struct intel_vgpu *vgpu,
578 		unsigned int offset, void *p_data, unsigned int bytes)
579 {
580 	i915_reg_t fdi_rx_iir;
581 	unsigned int index;
582 	int ret;
583 
584 	if (FDI_RX_CTL_TO_PIPE(offset) != INVALID_INDEX)
585 		index = FDI_RX_CTL_TO_PIPE(offset);
586 	else if (FDI_TX_CTL_TO_PIPE(offset) != INVALID_INDEX)
587 		index = FDI_TX_CTL_TO_PIPE(offset);
588 	else if (FDI_RX_IMR_TO_PIPE(offset) != INVALID_INDEX)
589 		index = FDI_RX_IMR_TO_PIPE(offset);
590 	else {
591 		gvt_err("Unsupport registers %x\n", offset);
592 		return -EINVAL;
593 	}
594 
595 	write_vreg(vgpu, offset, p_data, bytes);
596 
597 	fdi_rx_iir = FDI_RX_IIR(index);
598 
599 	ret = check_fdi_rx_train_status(vgpu, index, FDI_LINK_TRAIN_PATTERN1);
600 	if (ret < 0)
601 		return ret;
602 	if (ret)
603 		vgpu_vreg(vgpu, fdi_rx_iir) |= FDI_RX_BIT_LOCK;
604 
605 	ret = check_fdi_rx_train_status(vgpu, index, FDI_LINK_TRAIN_PATTERN2);
606 	if (ret < 0)
607 		return ret;
608 	if (ret)
609 		vgpu_vreg(vgpu, fdi_rx_iir) |= FDI_RX_SYMBOL_LOCK;
610 
611 	if (offset == _FDI_RXA_CTL)
612 		if (fdi_auto_training_started(vgpu))
613 			vgpu_vreg(vgpu, DP_TP_STATUS(PORT_E)) |=
614 				DP_TP_STATUS_AUTOTRAIN_DONE;
615 	return 0;
616 }
617 
618 #define DP_TP_CTL_TO_PORT(offset) \
619 	calc_index(offset, _DP_TP_CTL_A, _DP_TP_CTL_B, 0, DP_TP_CTL(PORT_E))
620 
621 static int dp_tp_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
622 		void *p_data, unsigned int bytes)
623 {
624 	i915_reg_t status_reg;
625 	unsigned int index;
626 	u32 data;
627 
628 	write_vreg(vgpu, offset, p_data, bytes);
629 
630 	index = DP_TP_CTL_TO_PORT(offset);
631 	data = (vgpu_vreg(vgpu, offset) & GENMASK(10, 8)) >> 8;
632 	if (data == 0x2) {
633 		status_reg = DP_TP_STATUS(index);
634 		vgpu_vreg(vgpu, status_reg) |= (1 << 25);
635 	}
636 	return 0;
637 }
638 
639 static int dp_tp_status_mmio_write(struct intel_vgpu *vgpu,
640 		unsigned int offset, void *p_data, unsigned int bytes)
641 {
642 	u32 reg_val;
643 	u32 sticky_mask;
644 
645 	reg_val = *((u32 *)p_data);
646 	sticky_mask = GENMASK(27, 26) | (1 << 24);
647 
648 	vgpu_vreg(vgpu, offset) = (reg_val & ~sticky_mask) |
649 		(vgpu_vreg(vgpu, offset) & sticky_mask);
650 	vgpu_vreg(vgpu, offset) &= ~(reg_val & sticky_mask);
651 	return 0;
652 }
653 
654 static int pch_adpa_mmio_write(struct intel_vgpu *vgpu,
655 		unsigned int offset, void *p_data, unsigned int bytes)
656 {
657 	u32 data;
658 
659 	write_vreg(vgpu, offset, p_data, bytes);
660 	data = vgpu_vreg(vgpu, offset);
661 
662 	if (data & ADPA_CRT_HOTPLUG_FORCE_TRIGGER)
663 		vgpu_vreg(vgpu, offset) &= ~ADPA_CRT_HOTPLUG_FORCE_TRIGGER;
664 	return 0;
665 }
666 
667 static int south_chicken2_mmio_write(struct intel_vgpu *vgpu,
668 		unsigned int offset, void *p_data, unsigned int bytes)
669 {
670 	u32 data;
671 
672 	write_vreg(vgpu, offset, p_data, bytes);
673 	data = vgpu_vreg(vgpu, offset);
674 
675 	if (data & FDI_MPHY_IOSFSB_RESET_CTL)
676 		vgpu_vreg(vgpu, offset) |= FDI_MPHY_IOSFSB_RESET_STATUS;
677 	else
678 		vgpu_vreg(vgpu, offset) &= ~FDI_MPHY_IOSFSB_RESET_STATUS;
679 	return 0;
680 }
681 
682 #define DSPSURF_TO_PIPE(offset) \
683 	calc_index(offset, _DSPASURF, _DSPBSURF, 0, DSPSURF(PIPE_C))
684 
685 static int pri_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
686 		void *p_data, unsigned int bytes)
687 {
688 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
689 	unsigned int index = DSPSURF_TO_PIPE(offset);
690 	i915_reg_t surflive_reg = DSPSURFLIVE(index);
691 	int flip_event[] = {
692 		[PIPE_A] = PRIMARY_A_FLIP_DONE,
693 		[PIPE_B] = PRIMARY_B_FLIP_DONE,
694 		[PIPE_C] = PRIMARY_C_FLIP_DONE,
695 	};
696 
697 	write_vreg(vgpu, offset, p_data, bytes);
698 	vgpu_vreg(vgpu, surflive_reg) = vgpu_vreg(vgpu, offset);
699 
700 	set_bit(flip_event[index], vgpu->irq.flip_done_event[index]);
701 	return 0;
702 }
703 
704 #define SPRSURF_TO_PIPE(offset) \
705 	calc_index(offset, _SPRA_SURF, _SPRB_SURF, 0, SPRSURF(PIPE_C))
706 
707 static int spr_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
708 		void *p_data, unsigned int bytes)
709 {
710 	unsigned int index = SPRSURF_TO_PIPE(offset);
711 	i915_reg_t surflive_reg = SPRSURFLIVE(index);
712 	int flip_event[] = {
713 		[PIPE_A] = SPRITE_A_FLIP_DONE,
714 		[PIPE_B] = SPRITE_B_FLIP_DONE,
715 		[PIPE_C] = SPRITE_C_FLIP_DONE,
716 	};
717 
718 	write_vreg(vgpu, offset, p_data, bytes);
719 	vgpu_vreg(vgpu, surflive_reg) = vgpu_vreg(vgpu, offset);
720 
721 	set_bit(flip_event[index], vgpu->irq.flip_done_event[index]);
722 	return 0;
723 }
724 
725 static int trigger_aux_channel_interrupt(struct intel_vgpu *vgpu,
726 		unsigned int reg)
727 {
728 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
729 	enum intel_gvt_event_type event;
730 
731 	if (reg == _DPA_AUX_CH_CTL)
732 		event = AUX_CHANNEL_A;
733 	else if (reg == _PCH_DPB_AUX_CH_CTL || reg == _DPB_AUX_CH_CTL)
734 		event = AUX_CHANNEL_B;
735 	else if (reg == _PCH_DPC_AUX_CH_CTL || reg == _DPC_AUX_CH_CTL)
736 		event = AUX_CHANNEL_C;
737 	else if (reg == _PCH_DPD_AUX_CH_CTL || reg == _DPD_AUX_CH_CTL)
738 		event = AUX_CHANNEL_D;
739 	else {
740 		WARN_ON(true);
741 		return -EINVAL;
742 	}
743 
744 	intel_vgpu_trigger_virtual_event(vgpu, event);
745 	return 0;
746 }
747 
748 static int dp_aux_ch_ctl_trans_done(struct intel_vgpu *vgpu, u32 value,
749 		unsigned int reg, int len, bool data_valid)
750 {
751 	/* mark transaction done */
752 	value |= DP_AUX_CH_CTL_DONE;
753 	value &= ~DP_AUX_CH_CTL_SEND_BUSY;
754 	value &= ~DP_AUX_CH_CTL_RECEIVE_ERROR;
755 
756 	if (data_valid)
757 		value &= ~DP_AUX_CH_CTL_TIME_OUT_ERROR;
758 	else
759 		value |= DP_AUX_CH_CTL_TIME_OUT_ERROR;
760 
761 	/* message size */
762 	value &= ~(0xf << 20);
763 	value |= (len << 20);
764 	vgpu_vreg(vgpu, reg) = value;
765 
766 	if (value & DP_AUX_CH_CTL_INTERRUPT)
767 		return trigger_aux_channel_interrupt(vgpu, reg);
768 	return 0;
769 }
770 
771 static void dp_aux_ch_ctl_link_training(struct intel_vgpu_dpcd_data *dpcd,
772 		uint8_t t)
773 {
774 	if ((t & DPCD_TRAINING_PATTERN_SET_MASK) == DPCD_TRAINING_PATTERN_1) {
775 		/* training pattern 1 for CR */
776 		/* set LANE0_CR_DONE, LANE1_CR_DONE */
777 		dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_LANES_CR_DONE;
778 		/* set LANE2_CR_DONE, LANE3_CR_DONE */
779 		dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_LANES_CR_DONE;
780 	} else if ((t & DPCD_TRAINING_PATTERN_SET_MASK) ==
781 			DPCD_TRAINING_PATTERN_2) {
782 		/* training pattern 2 for EQ */
783 		/* Set CHANNEL_EQ_DONE and  SYMBOL_LOCKED for Lane0_1 */
784 		dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_LANES_EQ_DONE;
785 		dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_SYMBOL_LOCKED;
786 		/* Set CHANNEL_EQ_DONE and  SYMBOL_LOCKED for Lane2_3 */
787 		dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_LANES_EQ_DONE;
788 		dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_SYMBOL_LOCKED;
789 		/* set INTERLANE_ALIGN_DONE */
790 		dpcd->data[DPCD_LANE_ALIGN_STATUS_UPDATED] |=
791 			DPCD_INTERLANE_ALIGN_DONE;
792 	} else if ((t & DPCD_TRAINING_PATTERN_SET_MASK) ==
793 			DPCD_LINK_TRAINING_DISABLED) {
794 		/* finish link training */
795 		/* set sink status as synchronized */
796 		dpcd->data[DPCD_SINK_STATUS] = DPCD_SINK_IN_SYNC;
797 	}
798 }
799 
800 #define _REG_HSW_DP_AUX_CH_CTL(dp) \
801 	((dp) ? (_PCH_DPB_AUX_CH_CTL + ((dp)-1)*0x100) : 0x64010)
802 
803 #define _REG_SKL_DP_AUX_CH_CTL(dp) (0x64010 + (dp) * 0x100)
804 
805 #define OFFSET_TO_DP_AUX_PORT(offset) (((offset) & 0xF00) >> 8)
806 
807 #define dpy_is_valid_port(port)	\
808 		(((port) >= PORT_A) && ((port) < I915_MAX_PORTS))
809 
810 static int dp_aux_ch_ctl_mmio_write(struct intel_vgpu *vgpu,
811 		unsigned int offset, void *p_data, unsigned int bytes)
812 {
813 	struct intel_vgpu_display *display = &vgpu->display;
814 	int msg, addr, ctrl, op, len;
815 	int port_index = OFFSET_TO_DP_AUX_PORT(offset);
816 	struct intel_vgpu_dpcd_data *dpcd = NULL;
817 	struct intel_vgpu_port *port = NULL;
818 	u32 data;
819 
820 	if (!dpy_is_valid_port(port_index)) {
821 		gvt_err("GVT(%d): Unsupported DP port access!\n", vgpu->id);
822 		return 0;
823 	}
824 
825 	write_vreg(vgpu, offset, p_data, bytes);
826 	data = vgpu_vreg(vgpu, offset);
827 
828 	if (IS_SKYLAKE(vgpu->gvt->dev_priv) &&
829 	    offset != _REG_SKL_DP_AUX_CH_CTL(port_index)) {
830 		/* SKL DPB/C/D aux ctl register changed */
831 		return 0;
832 	} else if (IS_BROADWELL(vgpu->gvt->dev_priv) &&
833 		   offset != _REG_HSW_DP_AUX_CH_CTL(port_index)) {
834 		/* write to the data registers */
835 		return 0;
836 	}
837 
838 	if (!(data & DP_AUX_CH_CTL_SEND_BUSY)) {
839 		/* just want to clear the sticky bits */
840 		vgpu_vreg(vgpu, offset) = 0;
841 		return 0;
842 	}
843 
844 	port = &display->ports[port_index];
845 	dpcd = port->dpcd;
846 
847 	/* read out message from DATA1 register */
848 	msg = vgpu_vreg(vgpu, offset + 4);
849 	addr = (msg >> 8) & 0xffff;
850 	ctrl = (msg >> 24) & 0xff;
851 	len = msg & 0xff;
852 	op = ctrl >> 4;
853 
854 	if (op == GVT_AUX_NATIVE_WRITE) {
855 		int t;
856 		uint8_t buf[16];
857 
858 		if ((addr + len + 1) >= DPCD_SIZE) {
859 			/*
860 			 * Write request exceeds what we supported,
861 			 * DCPD spec: When a Source Device is writing a DPCD
862 			 * address not supported by the Sink Device, the Sink
863 			 * Device shall reply with AUX NACK and “M” equal to
864 			 * zero.
865 			 */
866 
867 			/* NAK the write */
868 			vgpu_vreg(vgpu, offset + 4) = AUX_NATIVE_REPLY_NAK;
869 			dp_aux_ch_ctl_trans_done(vgpu, data, offset, 2, true);
870 			return 0;
871 		}
872 
873 		/*
874 		 * Write request format: (command + address) occupies
875 		 * 3 bytes, followed by (len + 1) bytes of data.
876 		 */
877 		if (WARN_ON((len + 4) > AUX_BURST_SIZE))
878 			return -EINVAL;
879 
880 		/* unpack data from vreg to buf */
881 		for (t = 0; t < 4; t++) {
882 			u32 r = vgpu_vreg(vgpu, offset + 8 + t * 4);
883 
884 			buf[t * 4] = (r >> 24) & 0xff;
885 			buf[t * 4 + 1] = (r >> 16) & 0xff;
886 			buf[t * 4 + 2] = (r >> 8) & 0xff;
887 			buf[t * 4 + 3] = r & 0xff;
888 		}
889 
890 		/* write to virtual DPCD */
891 		if (dpcd && dpcd->data_valid) {
892 			for (t = 0; t <= len; t++) {
893 				int p = addr + t;
894 
895 				dpcd->data[p] = buf[t];
896 				/* check for link training */
897 				if (p == DPCD_TRAINING_PATTERN_SET)
898 					dp_aux_ch_ctl_link_training(dpcd,
899 							buf[t]);
900 			}
901 		}
902 
903 		/* ACK the write */
904 		vgpu_vreg(vgpu, offset + 4) = 0;
905 		dp_aux_ch_ctl_trans_done(vgpu, data, offset, 1,
906 				dpcd && dpcd->data_valid);
907 		return 0;
908 	}
909 
910 	if (op == GVT_AUX_NATIVE_READ) {
911 		int idx, i, ret = 0;
912 
913 		if ((addr + len + 1) >= DPCD_SIZE) {
914 			/*
915 			 * read request exceeds what we supported
916 			 * DPCD spec: A Sink Device receiving a Native AUX CH
917 			 * read request for an unsupported DPCD address must
918 			 * reply with an AUX ACK and read data set equal to
919 			 * zero instead of replying with AUX NACK.
920 			 */
921 
922 			/* ACK the READ*/
923 			vgpu_vreg(vgpu, offset + 4) = 0;
924 			vgpu_vreg(vgpu, offset + 8) = 0;
925 			vgpu_vreg(vgpu, offset + 12) = 0;
926 			vgpu_vreg(vgpu, offset + 16) = 0;
927 			vgpu_vreg(vgpu, offset + 20) = 0;
928 
929 			dp_aux_ch_ctl_trans_done(vgpu, data, offset, len + 2,
930 					true);
931 			return 0;
932 		}
933 
934 		for (idx = 1; idx <= 5; idx++) {
935 			/* clear the data registers */
936 			vgpu_vreg(vgpu, offset + 4 * idx) = 0;
937 		}
938 
939 		/*
940 		 * Read reply format: ACK (1 byte) plus (len + 1) bytes of data.
941 		 */
942 		if (WARN_ON((len + 2) > AUX_BURST_SIZE))
943 			return -EINVAL;
944 
945 		/* read from virtual DPCD to vreg */
946 		/* first 4 bytes: [ACK][addr][addr+1][addr+2] */
947 		if (dpcd && dpcd->data_valid) {
948 			for (i = 1; i <= (len + 1); i++) {
949 				int t;
950 
951 				t = dpcd->data[addr + i - 1];
952 				t <<= (24 - 8 * (i % 4));
953 				ret |= t;
954 
955 				if ((i % 4 == 3) || (i == (len + 1))) {
956 					vgpu_vreg(vgpu, offset +
957 							(i / 4 + 1) * 4) = ret;
958 					ret = 0;
959 				}
960 			}
961 		}
962 		dp_aux_ch_ctl_trans_done(vgpu, data, offset, len + 2,
963 				dpcd && dpcd->data_valid);
964 		return 0;
965 	}
966 
967 	/* i2c transaction starts */
968 	intel_gvt_i2c_handle_aux_ch_write(vgpu, port_index, offset, p_data);
969 
970 	if (data & DP_AUX_CH_CTL_INTERRUPT)
971 		trigger_aux_channel_interrupt(vgpu, offset);
972 	return 0;
973 }
974 
975 static int vga_control_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
976 		void *p_data, unsigned int bytes)
977 {
978 	bool vga_disable;
979 
980 	write_vreg(vgpu, offset, p_data, bytes);
981 	vga_disable = vgpu_vreg(vgpu, offset) & VGA_DISP_DISABLE;
982 
983 	gvt_dbg_core("vgpu%d: %s VGA mode\n", vgpu->id,
984 			vga_disable ? "Disable" : "Enable");
985 	return 0;
986 }
987 
988 static u32 read_virtual_sbi_register(struct intel_vgpu *vgpu,
989 		unsigned int sbi_offset)
990 {
991 	struct intel_vgpu_display *display = &vgpu->display;
992 	int num = display->sbi.number;
993 	int i;
994 
995 	for (i = 0; i < num; ++i)
996 		if (display->sbi.registers[i].offset == sbi_offset)
997 			break;
998 
999 	if (i == num)
1000 		return 0;
1001 
1002 	return display->sbi.registers[i].value;
1003 }
1004 
1005 static void write_virtual_sbi_register(struct intel_vgpu *vgpu,
1006 		unsigned int offset, u32 value)
1007 {
1008 	struct intel_vgpu_display *display = &vgpu->display;
1009 	int num = display->sbi.number;
1010 	int i;
1011 
1012 	for (i = 0; i < num; ++i) {
1013 		if (display->sbi.registers[i].offset == offset)
1014 			break;
1015 	}
1016 
1017 	if (i == num) {
1018 		if (num == SBI_REG_MAX) {
1019 			gvt_err("vgpu%d: SBI caching meets maximum limits\n",
1020 					vgpu->id);
1021 			return;
1022 		}
1023 		display->sbi.number++;
1024 	}
1025 
1026 	display->sbi.registers[i].offset = offset;
1027 	display->sbi.registers[i].value = value;
1028 }
1029 
1030 static int sbi_data_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
1031 		void *p_data, unsigned int bytes)
1032 {
1033 	if (((vgpu_vreg(vgpu, SBI_CTL_STAT) & SBI_OPCODE_MASK) >>
1034 				SBI_OPCODE_SHIFT) == SBI_CMD_CRRD) {
1035 		unsigned int sbi_offset = (vgpu_vreg(vgpu, SBI_ADDR) &
1036 				SBI_ADDR_OFFSET_MASK) >> SBI_ADDR_OFFSET_SHIFT;
1037 		vgpu_vreg(vgpu, offset) = read_virtual_sbi_register(vgpu,
1038 				sbi_offset);
1039 	}
1040 	read_vreg(vgpu, offset, p_data, bytes);
1041 	return 0;
1042 }
1043 
1044 static int sbi_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1045 		void *p_data, unsigned int bytes)
1046 {
1047 	u32 data;
1048 
1049 	write_vreg(vgpu, offset, p_data, bytes);
1050 	data = vgpu_vreg(vgpu, offset);
1051 
1052 	data &= ~(SBI_STAT_MASK << SBI_STAT_SHIFT);
1053 	data |= SBI_READY;
1054 
1055 	data &= ~(SBI_RESPONSE_MASK << SBI_RESPONSE_SHIFT);
1056 	data |= SBI_RESPONSE_SUCCESS;
1057 
1058 	vgpu_vreg(vgpu, offset) = data;
1059 
1060 	if (((vgpu_vreg(vgpu, SBI_CTL_STAT) & SBI_OPCODE_MASK) >>
1061 				SBI_OPCODE_SHIFT) == SBI_CMD_CRWR) {
1062 		unsigned int sbi_offset = (vgpu_vreg(vgpu, SBI_ADDR) &
1063 				SBI_ADDR_OFFSET_MASK) >> SBI_ADDR_OFFSET_SHIFT;
1064 
1065 		write_virtual_sbi_register(vgpu, sbi_offset,
1066 				vgpu_vreg(vgpu, SBI_DATA));
1067 	}
1068 	return 0;
1069 }
1070 
1071 #define _vgtif_reg(x) \
1072 	(VGT_PVINFO_PAGE + offsetof(struct vgt_if, x))
1073 
1074 static int pvinfo_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
1075 		void *p_data, unsigned int bytes)
1076 {
1077 	bool invalid_read = false;
1078 
1079 	read_vreg(vgpu, offset, p_data, bytes);
1080 
1081 	switch (offset) {
1082 	case _vgtif_reg(magic) ... _vgtif_reg(vgt_id):
1083 		if (offset + bytes > _vgtif_reg(vgt_id) + 4)
1084 			invalid_read = true;
1085 		break;
1086 	case _vgtif_reg(avail_rs.mappable_gmadr.base) ...
1087 		_vgtif_reg(avail_rs.fence_num):
1088 		if (offset + bytes >
1089 			_vgtif_reg(avail_rs.fence_num) + 4)
1090 			invalid_read = true;
1091 		break;
1092 	case 0x78010:	/* vgt_caps */
1093 	case 0x7881c:
1094 		break;
1095 	default:
1096 		invalid_read = true;
1097 		break;
1098 	}
1099 	if (invalid_read)
1100 		gvt_err("invalid pvinfo read: [%x:%x] = %x\n",
1101 				offset, bytes, *(u32 *)p_data);
1102 	vgpu->pv_notified = true;
1103 	return 0;
1104 }
1105 
1106 static int handle_g2v_notification(struct intel_vgpu *vgpu, int notification)
1107 {
1108 	int ret = 0;
1109 
1110 	switch (notification) {
1111 	case VGT_G2V_PPGTT_L3_PAGE_TABLE_CREATE:
1112 		ret = intel_vgpu_g2v_create_ppgtt_mm(vgpu, 3);
1113 		break;
1114 	case VGT_G2V_PPGTT_L3_PAGE_TABLE_DESTROY:
1115 		ret = intel_vgpu_g2v_destroy_ppgtt_mm(vgpu, 3);
1116 		break;
1117 	case VGT_G2V_PPGTT_L4_PAGE_TABLE_CREATE:
1118 		ret = intel_vgpu_g2v_create_ppgtt_mm(vgpu, 4);
1119 		break;
1120 	case VGT_G2V_PPGTT_L4_PAGE_TABLE_DESTROY:
1121 		ret = intel_vgpu_g2v_destroy_ppgtt_mm(vgpu, 4);
1122 		break;
1123 	case VGT_G2V_EXECLIST_CONTEXT_CREATE:
1124 	case VGT_G2V_EXECLIST_CONTEXT_DESTROY:
1125 	case 1:	/* Remove this in guest driver. */
1126 		break;
1127 	default:
1128 		gvt_err("Invalid PV notification %d\n", notification);
1129 	}
1130 	return ret;
1131 }
1132 
1133 static int send_display_ready_uevent(struct intel_vgpu *vgpu, int ready)
1134 {
1135 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
1136 	struct kobject *kobj = &dev_priv->drm.primary->kdev->kobj;
1137 	char *env[3] = {NULL, NULL, NULL};
1138 	char vmid_str[20];
1139 	char display_ready_str[20];
1140 
1141 	snprintf(display_ready_str, 20, "GVT_DISPLAY_READY=%d", ready);
1142 	env[0] = display_ready_str;
1143 
1144 	snprintf(vmid_str, 20, "VMID=%d", vgpu->id);
1145 	env[1] = vmid_str;
1146 
1147 	return kobject_uevent_env(kobj, KOBJ_ADD, env);
1148 }
1149 
1150 static int pvinfo_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1151 		void *p_data, unsigned int bytes)
1152 {
1153 	u32 data;
1154 	int ret;
1155 
1156 	write_vreg(vgpu, offset, p_data, bytes);
1157 	data = vgpu_vreg(vgpu, offset);
1158 
1159 	switch (offset) {
1160 	case _vgtif_reg(display_ready):
1161 		send_display_ready_uevent(vgpu, data ? 1 : 0);
1162 		break;
1163 	case _vgtif_reg(g2v_notify):
1164 		ret = handle_g2v_notification(vgpu, data);
1165 		break;
1166 	/* add xhot and yhot to handled list to avoid error log */
1167 	case 0x78830:
1168 	case 0x78834:
1169 	case _vgtif_reg(pdp[0].lo):
1170 	case _vgtif_reg(pdp[0].hi):
1171 	case _vgtif_reg(pdp[1].lo):
1172 	case _vgtif_reg(pdp[1].hi):
1173 	case _vgtif_reg(pdp[2].lo):
1174 	case _vgtif_reg(pdp[2].hi):
1175 	case _vgtif_reg(pdp[3].lo):
1176 	case _vgtif_reg(pdp[3].hi):
1177 	case _vgtif_reg(execlist_context_descriptor_lo):
1178 	case _vgtif_reg(execlist_context_descriptor_hi):
1179 		break;
1180 	case _vgtif_reg(rsv5[0])..._vgtif_reg(rsv5[3]):
1181 		enter_failsafe_mode(vgpu, GVT_FAILSAFE_INSUFFICIENT_RESOURCE);
1182 		break;
1183 	default:
1184 		gvt_err("invalid pvinfo write offset %x bytes %x data %x\n",
1185 				offset, bytes, data);
1186 		break;
1187 	}
1188 	return 0;
1189 }
1190 
1191 static int pf_write(struct intel_vgpu *vgpu,
1192 		unsigned int offset, void *p_data, unsigned int bytes)
1193 {
1194 	u32 val = *(u32 *)p_data;
1195 
1196 	if ((offset == _PS_1A_CTRL || offset == _PS_2A_CTRL ||
1197 	   offset == _PS_1B_CTRL || offset == _PS_2B_CTRL ||
1198 	   offset == _PS_1C_CTRL) && (val & PS_PLANE_SEL_MASK) != 0) {
1199 		WARN_ONCE(true, "VM(%d): guest is trying to scaling a plane\n",
1200 			  vgpu->id);
1201 		return 0;
1202 	}
1203 
1204 	return intel_vgpu_default_mmio_write(vgpu, offset, p_data, bytes);
1205 }
1206 
1207 static int power_well_ctl_mmio_write(struct intel_vgpu *vgpu,
1208 		unsigned int offset, void *p_data, unsigned int bytes)
1209 {
1210 	write_vreg(vgpu, offset, p_data, bytes);
1211 
1212 	if (vgpu_vreg(vgpu, offset) & HSW_PWR_WELL_ENABLE_REQUEST)
1213 		vgpu_vreg(vgpu, offset) |= HSW_PWR_WELL_STATE_ENABLED;
1214 	else
1215 		vgpu_vreg(vgpu, offset) &= ~HSW_PWR_WELL_STATE_ENABLED;
1216 	return 0;
1217 }
1218 
1219 static int fpga_dbg_mmio_write(struct intel_vgpu *vgpu,
1220 	unsigned int offset, void *p_data, unsigned int bytes)
1221 {
1222 	write_vreg(vgpu, offset, p_data, bytes);
1223 
1224 	if (vgpu_vreg(vgpu, offset) & FPGA_DBG_RM_NOCLAIM)
1225 		vgpu_vreg(vgpu, offset) &= ~FPGA_DBG_RM_NOCLAIM;
1226 	return 0;
1227 }
1228 
1229 static int dma_ctrl_write(struct intel_vgpu *vgpu, unsigned int offset,
1230 		void *p_data, unsigned int bytes)
1231 {
1232 	u32 mode;
1233 
1234 	write_vreg(vgpu, offset, p_data, bytes);
1235 	mode = vgpu_vreg(vgpu, offset);
1236 
1237 	if (GFX_MODE_BIT_SET_IN_MASK(mode, START_DMA)) {
1238 		WARN_ONCE(1, "VM(%d): iGVT-g doesn't supporte GuC\n",
1239 				vgpu->id);
1240 		return 0;
1241 	}
1242 
1243 	return 0;
1244 }
1245 
1246 static int gen9_trtte_write(struct intel_vgpu *vgpu, unsigned int offset,
1247 		void *p_data, unsigned int bytes)
1248 {
1249 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
1250 	u32 trtte = *(u32 *)p_data;
1251 
1252 	if ((trtte & 1) && (trtte & (1 << 1)) == 0) {
1253 		WARN(1, "VM(%d): Use physical address for TRTT!\n",
1254 				vgpu->id);
1255 		return -EINVAL;
1256 	}
1257 	write_vreg(vgpu, offset, p_data, bytes);
1258 	/* TRTTE is not per-context */
1259 	I915_WRITE(_MMIO(offset), vgpu_vreg(vgpu, offset));
1260 
1261 	return 0;
1262 }
1263 
1264 static int gen9_trtt_chicken_write(struct intel_vgpu *vgpu, unsigned int offset,
1265 		void *p_data, unsigned int bytes)
1266 {
1267 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
1268 	u32 val = *(u32 *)p_data;
1269 
1270 	if (val & 1) {
1271 		/* unblock hw logic */
1272 		I915_WRITE(_MMIO(offset), val);
1273 	}
1274 	write_vreg(vgpu, offset, p_data, bytes);
1275 	return 0;
1276 }
1277 
1278 static int dpll_status_read(struct intel_vgpu *vgpu, unsigned int offset,
1279 		void *p_data, unsigned int bytes)
1280 {
1281 	u32 v = 0;
1282 
1283 	if (vgpu_vreg(vgpu, 0x46010) & (1 << 31))
1284 		v |= (1 << 0);
1285 
1286 	if (vgpu_vreg(vgpu, 0x46014) & (1 << 31))
1287 		v |= (1 << 8);
1288 
1289 	if (vgpu_vreg(vgpu, 0x46040) & (1 << 31))
1290 		v |= (1 << 16);
1291 
1292 	if (vgpu_vreg(vgpu, 0x46060) & (1 << 31))
1293 		v |= (1 << 24);
1294 
1295 	vgpu_vreg(vgpu, offset) = v;
1296 
1297 	return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
1298 }
1299 
1300 static int mailbox_write(struct intel_vgpu *vgpu, unsigned int offset,
1301 		void *p_data, unsigned int bytes)
1302 {
1303 	u32 value = *(u32 *)p_data;
1304 	u32 cmd = value & 0xff;
1305 	u32 *data0 = &vgpu_vreg(vgpu, GEN6_PCODE_DATA);
1306 
1307 	switch (cmd) {
1308 	case GEN9_PCODE_READ_MEM_LATENCY:
1309 		if (IS_SKYLAKE(vgpu->gvt->dev_priv)) {
1310 			/**
1311 			 * "Read memory latency" command on gen9.
1312 			 * Below memory latency values are read
1313 			 * from skylake platform.
1314 			 */
1315 			if (!*data0)
1316 				*data0 = 0x1e1a1100;
1317 			else
1318 				*data0 = 0x61514b3d;
1319 		}
1320 		break;
1321 	case SKL_PCODE_CDCLK_CONTROL:
1322 		if (IS_SKYLAKE(vgpu->gvt->dev_priv))
1323 			*data0 = SKL_CDCLK_READY_FOR_CHANGE;
1324 		break;
1325 	case GEN6_PCODE_READ_RC6VIDS:
1326 		*data0 |= 0x1;
1327 		break;
1328 	}
1329 
1330 	gvt_dbg_core("VM(%d) write %x to mailbox, return data0 %x\n",
1331 		     vgpu->id, value, *data0);
1332 	/**
1333 	 * PCODE_READY clear means ready for pcode read/write,
1334 	 * PCODE_ERROR_MASK clear means no error happened. In GVT-g we
1335 	 * always emulate as pcode read/write success and ready for access
1336 	 * anytime, since we don't touch real physical registers here.
1337 	 */
1338 	value &= ~(GEN6_PCODE_READY | GEN6_PCODE_ERROR_MASK);
1339 	return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes);
1340 }
1341 
1342 static int skl_power_well_ctl_write(struct intel_vgpu *vgpu,
1343 		unsigned int offset, void *p_data, unsigned int bytes)
1344 {
1345 	u32 v = *(u32 *)p_data;
1346 
1347 	v &= (1 << 31) | (1 << 29) | (1 << 9) |
1348 	     (1 << 7) | (1 << 5) | (1 << 3) | (1 << 1);
1349 	v |= (v >> 1);
1350 
1351 	return intel_vgpu_default_mmio_write(vgpu, offset, &v, bytes);
1352 }
1353 
1354 static int skl_misc_ctl_write(struct intel_vgpu *vgpu, unsigned int offset,
1355 		void *p_data, unsigned int bytes)
1356 {
1357 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
1358 	i915_reg_t reg = {.reg = offset};
1359 
1360 	switch (offset) {
1361 	case 0x4ddc:
1362 		vgpu_vreg(vgpu, offset) = 0x8000003c;
1363 		/* WaCompressedResourceSamplerPbeMediaNewHashMode:skl */
1364 		I915_WRITE(reg, vgpu_vreg(vgpu, offset));
1365 		break;
1366 	case 0x42080:
1367 		vgpu_vreg(vgpu, offset) = 0x8000;
1368 		/* WaCompressedResourceDisplayNewHashMode:skl */
1369 		I915_WRITE(reg, vgpu_vreg(vgpu, offset));
1370 		break;
1371 	default:
1372 		return -EINVAL;
1373 	}
1374 
1375 	return 0;
1376 }
1377 
1378 static int skl_lcpll_write(struct intel_vgpu *vgpu, unsigned int offset,
1379 		void *p_data, unsigned int bytes)
1380 {
1381 	u32 v = *(u32 *)p_data;
1382 
1383 	/* other bits are MBZ. */
1384 	v &= (1 << 31) | (1 << 30);
1385 	v & (1 << 31) ? (v |= (1 << 30)) : (v &= ~(1 << 30));
1386 
1387 	vgpu_vreg(vgpu, offset) = v;
1388 
1389 	return 0;
1390 }
1391 
1392 static int ring_timestamp_mmio_read(struct intel_vgpu *vgpu,
1393 		unsigned int offset, void *p_data, unsigned int bytes)
1394 {
1395 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
1396 
1397 	vgpu_vreg(vgpu, offset) = I915_READ(_MMIO(offset));
1398 	return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
1399 }
1400 
1401 static int elsp_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1402 		void *p_data, unsigned int bytes)
1403 {
1404 	int ring_id = render_mmio_to_ring_id(vgpu->gvt, offset);
1405 	struct intel_vgpu_execlist *execlist;
1406 	u32 data = *(u32 *)p_data;
1407 	int ret = 0;
1408 
1409 	if (WARN_ON(ring_id < 0 || ring_id > I915_NUM_ENGINES - 1))
1410 		return -EINVAL;
1411 
1412 	execlist = &vgpu->execlist[ring_id];
1413 
1414 	execlist->elsp_dwords.data[execlist->elsp_dwords.index] = data;
1415 	if (execlist->elsp_dwords.index == 3) {
1416 		ret = intel_vgpu_submit_execlist(vgpu, ring_id);
1417 		if(ret)
1418 			gvt_err("fail submit workload on ring %d\n", ring_id);
1419 	}
1420 
1421 	++execlist->elsp_dwords.index;
1422 	execlist->elsp_dwords.index &= 0x3;
1423 	return ret;
1424 }
1425 
1426 static int ring_mode_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1427 		void *p_data, unsigned int bytes)
1428 {
1429 	u32 data = *(u32 *)p_data;
1430 	int ring_id = render_mmio_to_ring_id(vgpu->gvt, offset);
1431 	bool enable_execlist;
1432 
1433 	write_vreg(vgpu, offset, p_data, bytes);
1434 
1435 	/* when PPGTT mode enabled, we will check if guest has called
1436 	 * pvinfo, if not, we will treat this guest as non-gvtg-aware
1437 	 * guest, and stop emulating its cfg space, mmio, gtt, etc.
1438 	 */
1439 	if (((data & _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE)) ||
1440 			(data & _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE)))
1441 			&& !vgpu->pv_notified) {
1442 		enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
1443 		return 0;
1444 	}
1445 	if ((data & _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE))
1446 			|| (data & _MASKED_BIT_DISABLE(GFX_RUN_LIST_ENABLE))) {
1447 		enable_execlist = !!(data & GFX_RUN_LIST_ENABLE);
1448 
1449 		gvt_dbg_core("EXECLIST %s on ring %d\n",
1450 				(enable_execlist ? "enabling" : "disabling"),
1451 				ring_id);
1452 
1453 		if (enable_execlist)
1454 			intel_vgpu_start_schedule(vgpu);
1455 	}
1456 	return 0;
1457 }
1458 
1459 static int gvt_reg_tlb_control_handler(struct intel_vgpu *vgpu,
1460 		unsigned int offset, void *p_data, unsigned int bytes)
1461 {
1462 	unsigned int id = 0;
1463 
1464 	write_vreg(vgpu, offset, p_data, bytes);
1465 	vgpu_vreg(vgpu, offset) = 0;
1466 
1467 	switch (offset) {
1468 	case 0x4260:
1469 		id = RCS;
1470 		break;
1471 	case 0x4264:
1472 		id = VCS;
1473 		break;
1474 	case 0x4268:
1475 		id = VCS2;
1476 		break;
1477 	case 0x426c:
1478 		id = BCS;
1479 		break;
1480 	case 0x4270:
1481 		id = VECS;
1482 		break;
1483 	default:
1484 		return -EINVAL;
1485 	}
1486 	set_bit(id, (void *)vgpu->tlb_handle_pending);
1487 
1488 	return 0;
1489 }
1490 
1491 static int ring_reset_ctl_write(struct intel_vgpu *vgpu,
1492 	unsigned int offset, void *p_data, unsigned int bytes)
1493 {
1494 	u32 data;
1495 
1496 	write_vreg(vgpu, offset, p_data, bytes);
1497 	data = vgpu_vreg(vgpu, offset);
1498 
1499 	if (data & _MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET))
1500 		data |= RESET_CTL_READY_TO_RESET;
1501 	else if (data & _MASKED_BIT_DISABLE(RESET_CTL_REQUEST_RESET))
1502 		data &= ~RESET_CTL_READY_TO_RESET;
1503 
1504 	vgpu_vreg(vgpu, offset) = data;
1505 	return 0;
1506 }
1507 
1508 #define MMIO_F(reg, s, f, am, rm, d, r, w) do { \
1509 	ret = new_mmio_info(gvt, INTEL_GVT_MMIO_OFFSET(reg), \
1510 		f, s, am, rm, d, r, w); \
1511 	if (ret) \
1512 		return ret; \
1513 } while (0)
1514 
1515 #define MMIO_D(reg, d) \
1516 	MMIO_F(reg, 4, 0, 0, 0, d, NULL, NULL)
1517 
1518 #define MMIO_DH(reg, d, r, w) \
1519 	MMIO_F(reg, 4, 0, 0, 0, d, r, w)
1520 
1521 #define MMIO_DFH(reg, d, f, r, w) \
1522 	MMIO_F(reg, 4, f, 0, 0, d, r, w)
1523 
1524 #define MMIO_GM(reg, d, r, w) \
1525 	MMIO_F(reg, 4, F_GMADR, 0xFFFFF000, 0, d, r, w)
1526 
1527 #define MMIO_GM_RDR(reg, d, r, w) \
1528 	MMIO_F(reg, 4, F_GMADR | F_CMD_ACCESS, 0xFFFFF000, 0, d, r, w)
1529 
1530 #define MMIO_RO(reg, d, f, rm, r, w) \
1531 	MMIO_F(reg, 4, F_RO | f, 0, rm, d, r, w)
1532 
1533 #define MMIO_RING_F(prefix, s, f, am, rm, d, r, w) do { \
1534 	MMIO_F(prefix(RENDER_RING_BASE), s, f, am, rm, d, r, w); \
1535 	MMIO_F(prefix(BLT_RING_BASE), s, f, am, rm, d, r, w); \
1536 	MMIO_F(prefix(GEN6_BSD_RING_BASE), s, f, am, rm, d, r, w); \
1537 	MMIO_F(prefix(VEBOX_RING_BASE), s, f, am, rm, d, r, w); \
1538 } while (0)
1539 
1540 #define MMIO_RING_D(prefix, d) \
1541 	MMIO_RING_F(prefix, 4, 0, 0, 0, d, NULL, NULL)
1542 
1543 #define MMIO_RING_DFH(prefix, d, f, r, w) \
1544 	MMIO_RING_F(prefix, 4, f, 0, 0, d, r, w)
1545 
1546 #define MMIO_RING_GM(prefix, d, r, w) \
1547 	MMIO_RING_F(prefix, 4, F_GMADR, 0xFFFF0000, 0, d, r, w)
1548 
1549 #define MMIO_RING_GM_RDR(prefix, d, r, w) \
1550 	MMIO_RING_F(prefix, 4, F_GMADR | F_CMD_ACCESS, 0xFFFF0000, 0, d, r, w)
1551 
1552 #define MMIO_RING_RO(prefix, d, f, rm, r, w) \
1553 	MMIO_RING_F(prefix, 4, F_RO | f, 0, rm, d, r, w)
1554 
1555 static int init_generic_mmio_info(struct intel_gvt *gvt)
1556 {
1557 	struct drm_i915_private *dev_priv = gvt->dev_priv;
1558 	int ret;
1559 
1560 	MMIO_RING_DFH(RING_IMR, D_ALL, F_CMD_ACCESS, NULL,
1561 		intel_vgpu_reg_imr_handler);
1562 
1563 	MMIO_DFH(SDEIMR, D_ALL, 0, NULL, intel_vgpu_reg_imr_handler);
1564 	MMIO_DFH(SDEIER, D_ALL, 0, NULL, intel_vgpu_reg_ier_handler);
1565 	MMIO_DFH(SDEIIR, D_ALL, 0, NULL, intel_vgpu_reg_iir_handler);
1566 	MMIO_D(SDEISR, D_ALL);
1567 
1568 	MMIO_RING_DFH(RING_HWSTAM, D_ALL, F_CMD_ACCESS, NULL, NULL);
1569 
1570 	MMIO_GM_RDR(RENDER_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1571 	MMIO_GM_RDR(BSD_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1572 	MMIO_GM_RDR(BLT_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1573 	MMIO_GM_RDR(VEBOX_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1574 
1575 #define RING_REG(base) (base + 0x28)
1576 	MMIO_RING_DFH(RING_REG, D_ALL, F_CMD_ACCESS, NULL, NULL);
1577 #undef RING_REG
1578 
1579 #define RING_REG(base) (base + 0x134)
1580 	MMIO_RING_DFH(RING_REG, D_ALL, F_CMD_ACCESS, NULL, NULL);
1581 #undef RING_REG
1582 
1583 	MMIO_GM_RDR(0x2148, D_ALL, NULL, NULL);
1584 	MMIO_GM_RDR(CCID, D_ALL, NULL, NULL);
1585 	MMIO_GM_RDR(0x12198, D_ALL, NULL, NULL);
1586 	MMIO_D(GEN7_CXT_SIZE, D_ALL);
1587 
1588 	MMIO_RING_DFH(RING_TAIL, D_ALL, F_CMD_ACCESS, NULL, NULL);
1589 	MMIO_RING_DFH(RING_HEAD, D_ALL, F_CMD_ACCESS, NULL, NULL);
1590 	MMIO_RING_DFH(RING_CTL, D_ALL, F_CMD_ACCESS, NULL, NULL);
1591 	MMIO_RING_DFH(RING_ACTHD, D_ALL, F_CMD_ACCESS, NULL, NULL);
1592 	MMIO_RING_GM_RDR(RING_START, D_ALL, NULL, NULL);
1593 
1594 	/* RING MODE */
1595 #define RING_REG(base) (base + 0x29c)
1596 	MMIO_RING_DFH(RING_REG, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL,
1597 		ring_mode_mmio_write);
1598 #undef RING_REG
1599 
1600 	MMIO_RING_DFH(RING_MI_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1601 		NULL, NULL);
1602 	MMIO_RING_DFH(RING_INSTPM, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1603 			NULL, NULL);
1604 	MMIO_RING_DFH(RING_TIMESTAMP, D_ALL, F_CMD_ACCESS,
1605 			ring_timestamp_mmio_read, NULL);
1606 	MMIO_RING_DFH(RING_TIMESTAMP_UDW, D_ALL, F_CMD_ACCESS,
1607 			ring_timestamp_mmio_read, NULL);
1608 
1609 	MMIO_DFH(GEN7_GT_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1610 	MMIO_DFH(CACHE_MODE_0_GEN7, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1611 		NULL, NULL);
1612 	MMIO_DFH(CACHE_MODE_1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1613 	MMIO_DFH(CACHE_MODE_0, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1614 	MMIO_DFH(0x2124, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1615 
1616 	MMIO_DFH(0x20dc, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1617 	MMIO_DFH(_3D_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1618 	MMIO_DFH(0x2088, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1619 	MMIO_DFH(0x20e4, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1620 	MMIO_DFH(0x2470, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1621 	MMIO_DFH(GAM_ECOCHK, D_ALL, F_CMD_ACCESS, NULL, NULL);
1622 	MMIO_DFH(GEN7_COMMON_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1623 		NULL, NULL);
1624 	MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1625 	MMIO_DFH(0x9030, D_ALL, F_CMD_ACCESS, NULL, NULL);
1626 	MMIO_DFH(0x20a0, D_ALL, F_CMD_ACCESS, NULL, NULL);
1627 	MMIO_DFH(0x2420, D_ALL, F_CMD_ACCESS, NULL, NULL);
1628 	MMIO_DFH(0x2430, D_ALL, F_CMD_ACCESS, NULL, NULL);
1629 	MMIO_DFH(0x2434, D_ALL, F_CMD_ACCESS, NULL, NULL);
1630 	MMIO_DFH(0x2438, D_ALL, F_CMD_ACCESS, NULL, NULL);
1631 	MMIO_DFH(0x243c, D_ALL, F_CMD_ACCESS, NULL, NULL);
1632 	MMIO_DFH(0x7018, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1633 	MMIO_DFH(HALF_SLICE_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1634 	MMIO_DFH(GEN7_HALF_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1635 
1636 	/* display */
1637 	MMIO_F(0x60220, 0x20, 0, 0, 0, D_ALL, NULL, NULL);
1638 	MMIO_D(0x602a0, D_ALL);
1639 
1640 	MMIO_D(0x65050, D_ALL);
1641 	MMIO_D(0x650b4, D_ALL);
1642 
1643 	MMIO_D(0xc4040, D_ALL);
1644 	MMIO_D(DERRMR, D_ALL);
1645 
1646 	MMIO_D(PIPEDSL(PIPE_A), D_ALL);
1647 	MMIO_D(PIPEDSL(PIPE_B), D_ALL);
1648 	MMIO_D(PIPEDSL(PIPE_C), D_ALL);
1649 	MMIO_D(PIPEDSL(_PIPE_EDP), D_ALL);
1650 
1651 	MMIO_DH(PIPECONF(PIPE_A), D_ALL, NULL, pipeconf_mmio_write);
1652 	MMIO_DH(PIPECONF(PIPE_B), D_ALL, NULL, pipeconf_mmio_write);
1653 	MMIO_DH(PIPECONF(PIPE_C), D_ALL, NULL, pipeconf_mmio_write);
1654 	MMIO_DH(PIPECONF(_PIPE_EDP), D_ALL, NULL, pipeconf_mmio_write);
1655 
1656 	MMIO_D(PIPESTAT(PIPE_A), D_ALL);
1657 	MMIO_D(PIPESTAT(PIPE_B), D_ALL);
1658 	MMIO_D(PIPESTAT(PIPE_C), D_ALL);
1659 	MMIO_D(PIPESTAT(_PIPE_EDP), D_ALL);
1660 
1661 	MMIO_D(PIPE_FLIPCOUNT_G4X(PIPE_A), D_ALL);
1662 	MMIO_D(PIPE_FLIPCOUNT_G4X(PIPE_B), D_ALL);
1663 	MMIO_D(PIPE_FLIPCOUNT_G4X(PIPE_C), D_ALL);
1664 	MMIO_D(PIPE_FLIPCOUNT_G4X(_PIPE_EDP), D_ALL);
1665 
1666 	MMIO_D(PIPE_FRMCOUNT_G4X(PIPE_A), D_ALL);
1667 	MMIO_D(PIPE_FRMCOUNT_G4X(PIPE_B), D_ALL);
1668 	MMIO_D(PIPE_FRMCOUNT_G4X(PIPE_C), D_ALL);
1669 	MMIO_D(PIPE_FRMCOUNT_G4X(_PIPE_EDP), D_ALL);
1670 
1671 	MMIO_D(CURCNTR(PIPE_A), D_ALL);
1672 	MMIO_D(CURCNTR(PIPE_B), D_ALL);
1673 	MMIO_D(CURCNTR(PIPE_C), D_ALL);
1674 
1675 	MMIO_D(CURPOS(PIPE_A), D_ALL);
1676 	MMIO_D(CURPOS(PIPE_B), D_ALL);
1677 	MMIO_D(CURPOS(PIPE_C), D_ALL);
1678 
1679 	MMIO_D(CURBASE(PIPE_A), D_ALL);
1680 	MMIO_D(CURBASE(PIPE_B), D_ALL);
1681 	MMIO_D(CURBASE(PIPE_C), D_ALL);
1682 
1683 	MMIO_D(0x700ac, D_ALL);
1684 	MMIO_D(0x710ac, D_ALL);
1685 	MMIO_D(0x720ac, D_ALL);
1686 
1687 	MMIO_D(0x70090, D_ALL);
1688 	MMIO_D(0x70094, D_ALL);
1689 	MMIO_D(0x70098, D_ALL);
1690 	MMIO_D(0x7009c, D_ALL);
1691 
1692 	MMIO_D(DSPCNTR(PIPE_A), D_ALL);
1693 	MMIO_D(DSPADDR(PIPE_A), D_ALL);
1694 	MMIO_D(DSPSTRIDE(PIPE_A), D_ALL);
1695 	MMIO_D(DSPPOS(PIPE_A), D_ALL);
1696 	MMIO_D(DSPSIZE(PIPE_A), D_ALL);
1697 	MMIO_DH(DSPSURF(PIPE_A), D_ALL, NULL, pri_surf_mmio_write);
1698 	MMIO_D(DSPOFFSET(PIPE_A), D_ALL);
1699 	MMIO_D(DSPSURFLIVE(PIPE_A), D_ALL);
1700 
1701 	MMIO_D(DSPCNTR(PIPE_B), D_ALL);
1702 	MMIO_D(DSPADDR(PIPE_B), D_ALL);
1703 	MMIO_D(DSPSTRIDE(PIPE_B), D_ALL);
1704 	MMIO_D(DSPPOS(PIPE_B), D_ALL);
1705 	MMIO_D(DSPSIZE(PIPE_B), D_ALL);
1706 	MMIO_DH(DSPSURF(PIPE_B), D_ALL, NULL, pri_surf_mmio_write);
1707 	MMIO_D(DSPOFFSET(PIPE_B), D_ALL);
1708 	MMIO_D(DSPSURFLIVE(PIPE_B), D_ALL);
1709 
1710 	MMIO_D(DSPCNTR(PIPE_C), D_ALL);
1711 	MMIO_D(DSPADDR(PIPE_C), D_ALL);
1712 	MMIO_D(DSPSTRIDE(PIPE_C), D_ALL);
1713 	MMIO_D(DSPPOS(PIPE_C), D_ALL);
1714 	MMIO_D(DSPSIZE(PIPE_C), D_ALL);
1715 	MMIO_DH(DSPSURF(PIPE_C), D_ALL, NULL, pri_surf_mmio_write);
1716 	MMIO_D(DSPOFFSET(PIPE_C), D_ALL);
1717 	MMIO_D(DSPSURFLIVE(PIPE_C), D_ALL);
1718 
1719 	MMIO_D(SPRCTL(PIPE_A), D_ALL);
1720 	MMIO_D(SPRLINOFF(PIPE_A), D_ALL);
1721 	MMIO_D(SPRSTRIDE(PIPE_A), D_ALL);
1722 	MMIO_D(SPRPOS(PIPE_A), D_ALL);
1723 	MMIO_D(SPRSIZE(PIPE_A), D_ALL);
1724 	MMIO_D(SPRKEYVAL(PIPE_A), D_ALL);
1725 	MMIO_D(SPRKEYMSK(PIPE_A), D_ALL);
1726 	MMIO_DH(SPRSURF(PIPE_A), D_ALL, NULL, spr_surf_mmio_write);
1727 	MMIO_D(SPRKEYMAX(PIPE_A), D_ALL);
1728 	MMIO_D(SPROFFSET(PIPE_A), D_ALL);
1729 	MMIO_D(SPRSCALE(PIPE_A), D_ALL);
1730 	MMIO_D(SPRSURFLIVE(PIPE_A), D_ALL);
1731 
1732 	MMIO_D(SPRCTL(PIPE_B), D_ALL);
1733 	MMIO_D(SPRLINOFF(PIPE_B), D_ALL);
1734 	MMIO_D(SPRSTRIDE(PIPE_B), D_ALL);
1735 	MMIO_D(SPRPOS(PIPE_B), D_ALL);
1736 	MMIO_D(SPRSIZE(PIPE_B), D_ALL);
1737 	MMIO_D(SPRKEYVAL(PIPE_B), D_ALL);
1738 	MMIO_D(SPRKEYMSK(PIPE_B), D_ALL);
1739 	MMIO_DH(SPRSURF(PIPE_B), D_ALL, NULL, spr_surf_mmio_write);
1740 	MMIO_D(SPRKEYMAX(PIPE_B), D_ALL);
1741 	MMIO_D(SPROFFSET(PIPE_B), D_ALL);
1742 	MMIO_D(SPRSCALE(PIPE_B), D_ALL);
1743 	MMIO_D(SPRSURFLIVE(PIPE_B), D_ALL);
1744 
1745 	MMIO_D(SPRCTL(PIPE_C), D_ALL);
1746 	MMIO_D(SPRLINOFF(PIPE_C), D_ALL);
1747 	MMIO_D(SPRSTRIDE(PIPE_C), D_ALL);
1748 	MMIO_D(SPRPOS(PIPE_C), D_ALL);
1749 	MMIO_D(SPRSIZE(PIPE_C), D_ALL);
1750 	MMIO_D(SPRKEYVAL(PIPE_C), D_ALL);
1751 	MMIO_D(SPRKEYMSK(PIPE_C), D_ALL);
1752 	MMIO_DH(SPRSURF(PIPE_C), D_ALL, NULL, spr_surf_mmio_write);
1753 	MMIO_D(SPRKEYMAX(PIPE_C), D_ALL);
1754 	MMIO_D(SPROFFSET(PIPE_C), D_ALL);
1755 	MMIO_D(SPRSCALE(PIPE_C), D_ALL);
1756 	MMIO_D(SPRSURFLIVE(PIPE_C), D_ALL);
1757 
1758 	MMIO_F(LGC_PALETTE(PIPE_A, 0), 4 * 256, 0, 0, 0, D_ALL, NULL, NULL);
1759 	MMIO_F(LGC_PALETTE(PIPE_B, 0), 4 * 256, 0, 0, 0, D_ALL, NULL, NULL);
1760 	MMIO_F(LGC_PALETTE(PIPE_C, 0), 4 * 256, 0, 0, 0, D_ALL, NULL, NULL);
1761 
1762 	MMIO_D(HTOTAL(TRANSCODER_A), D_ALL);
1763 	MMIO_D(HBLANK(TRANSCODER_A), D_ALL);
1764 	MMIO_D(HSYNC(TRANSCODER_A), D_ALL);
1765 	MMIO_D(VTOTAL(TRANSCODER_A), D_ALL);
1766 	MMIO_D(VBLANK(TRANSCODER_A), D_ALL);
1767 	MMIO_D(VSYNC(TRANSCODER_A), D_ALL);
1768 	MMIO_D(BCLRPAT(TRANSCODER_A), D_ALL);
1769 	MMIO_D(VSYNCSHIFT(TRANSCODER_A), D_ALL);
1770 	MMIO_D(PIPESRC(TRANSCODER_A), D_ALL);
1771 
1772 	MMIO_D(HTOTAL(TRANSCODER_B), D_ALL);
1773 	MMIO_D(HBLANK(TRANSCODER_B), D_ALL);
1774 	MMIO_D(HSYNC(TRANSCODER_B), D_ALL);
1775 	MMIO_D(VTOTAL(TRANSCODER_B), D_ALL);
1776 	MMIO_D(VBLANK(TRANSCODER_B), D_ALL);
1777 	MMIO_D(VSYNC(TRANSCODER_B), D_ALL);
1778 	MMIO_D(BCLRPAT(TRANSCODER_B), D_ALL);
1779 	MMIO_D(VSYNCSHIFT(TRANSCODER_B), D_ALL);
1780 	MMIO_D(PIPESRC(TRANSCODER_B), D_ALL);
1781 
1782 	MMIO_D(HTOTAL(TRANSCODER_C), D_ALL);
1783 	MMIO_D(HBLANK(TRANSCODER_C), D_ALL);
1784 	MMIO_D(HSYNC(TRANSCODER_C), D_ALL);
1785 	MMIO_D(VTOTAL(TRANSCODER_C), D_ALL);
1786 	MMIO_D(VBLANK(TRANSCODER_C), D_ALL);
1787 	MMIO_D(VSYNC(TRANSCODER_C), D_ALL);
1788 	MMIO_D(BCLRPAT(TRANSCODER_C), D_ALL);
1789 	MMIO_D(VSYNCSHIFT(TRANSCODER_C), D_ALL);
1790 	MMIO_D(PIPESRC(TRANSCODER_C), D_ALL);
1791 
1792 	MMIO_D(HTOTAL(TRANSCODER_EDP), D_ALL);
1793 	MMIO_D(HBLANK(TRANSCODER_EDP), D_ALL);
1794 	MMIO_D(HSYNC(TRANSCODER_EDP), D_ALL);
1795 	MMIO_D(VTOTAL(TRANSCODER_EDP), D_ALL);
1796 	MMIO_D(VBLANK(TRANSCODER_EDP), D_ALL);
1797 	MMIO_D(VSYNC(TRANSCODER_EDP), D_ALL);
1798 	MMIO_D(BCLRPAT(TRANSCODER_EDP), D_ALL);
1799 	MMIO_D(VSYNCSHIFT(TRANSCODER_EDP), D_ALL);
1800 
1801 	MMIO_D(PIPE_DATA_M1(TRANSCODER_A), D_ALL);
1802 	MMIO_D(PIPE_DATA_N1(TRANSCODER_A), D_ALL);
1803 	MMIO_D(PIPE_DATA_M2(TRANSCODER_A), D_ALL);
1804 	MMIO_D(PIPE_DATA_N2(TRANSCODER_A), D_ALL);
1805 	MMIO_D(PIPE_LINK_M1(TRANSCODER_A), D_ALL);
1806 	MMIO_D(PIPE_LINK_N1(TRANSCODER_A), D_ALL);
1807 	MMIO_D(PIPE_LINK_M2(TRANSCODER_A), D_ALL);
1808 	MMIO_D(PIPE_LINK_N2(TRANSCODER_A), D_ALL);
1809 
1810 	MMIO_D(PIPE_DATA_M1(TRANSCODER_B), D_ALL);
1811 	MMIO_D(PIPE_DATA_N1(TRANSCODER_B), D_ALL);
1812 	MMIO_D(PIPE_DATA_M2(TRANSCODER_B), D_ALL);
1813 	MMIO_D(PIPE_DATA_N2(TRANSCODER_B), D_ALL);
1814 	MMIO_D(PIPE_LINK_M1(TRANSCODER_B), D_ALL);
1815 	MMIO_D(PIPE_LINK_N1(TRANSCODER_B), D_ALL);
1816 	MMIO_D(PIPE_LINK_M2(TRANSCODER_B), D_ALL);
1817 	MMIO_D(PIPE_LINK_N2(TRANSCODER_B), D_ALL);
1818 
1819 	MMIO_D(PIPE_DATA_M1(TRANSCODER_C), D_ALL);
1820 	MMIO_D(PIPE_DATA_N1(TRANSCODER_C), D_ALL);
1821 	MMIO_D(PIPE_DATA_M2(TRANSCODER_C), D_ALL);
1822 	MMIO_D(PIPE_DATA_N2(TRANSCODER_C), D_ALL);
1823 	MMIO_D(PIPE_LINK_M1(TRANSCODER_C), D_ALL);
1824 	MMIO_D(PIPE_LINK_N1(TRANSCODER_C), D_ALL);
1825 	MMIO_D(PIPE_LINK_M2(TRANSCODER_C), D_ALL);
1826 	MMIO_D(PIPE_LINK_N2(TRANSCODER_C), D_ALL);
1827 
1828 	MMIO_D(PIPE_DATA_M1(TRANSCODER_EDP), D_ALL);
1829 	MMIO_D(PIPE_DATA_N1(TRANSCODER_EDP), D_ALL);
1830 	MMIO_D(PIPE_DATA_M2(TRANSCODER_EDP), D_ALL);
1831 	MMIO_D(PIPE_DATA_N2(TRANSCODER_EDP), D_ALL);
1832 	MMIO_D(PIPE_LINK_M1(TRANSCODER_EDP), D_ALL);
1833 	MMIO_D(PIPE_LINK_N1(TRANSCODER_EDP), D_ALL);
1834 	MMIO_D(PIPE_LINK_M2(TRANSCODER_EDP), D_ALL);
1835 	MMIO_D(PIPE_LINK_N2(TRANSCODER_EDP), D_ALL);
1836 
1837 	MMIO_D(PF_CTL(PIPE_A), D_ALL);
1838 	MMIO_D(PF_WIN_SZ(PIPE_A), D_ALL);
1839 	MMIO_D(PF_WIN_POS(PIPE_A), D_ALL);
1840 	MMIO_D(PF_VSCALE(PIPE_A), D_ALL);
1841 	MMIO_D(PF_HSCALE(PIPE_A), D_ALL);
1842 
1843 	MMIO_D(PF_CTL(PIPE_B), D_ALL);
1844 	MMIO_D(PF_WIN_SZ(PIPE_B), D_ALL);
1845 	MMIO_D(PF_WIN_POS(PIPE_B), D_ALL);
1846 	MMIO_D(PF_VSCALE(PIPE_B), D_ALL);
1847 	MMIO_D(PF_HSCALE(PIPE_B), D_ALL);
1848 
1849 	MMIO_D(PF_CTL(PIPE_C), D_ALL);
1850 	MMIO_D(PF_WIN_SZ(PIPE_C), D_ALL);
1851 	MMIO_D(PF_WIN_POS(PIPE_C), D_ALL);
1852 	MMIO_D(PF_VSCALE(PIPE_C), D_ALL);
1853 	MMIO_D(PF_HSCALE(PIPE_C), D_ALL);
1854 
1855 	MMIO_D(WM0_PIPEA_ILK, D_ALL);
1856 	MMIO_D(WM0_PIPEB_ILK, D_ALL);
1857 	MMIO_D(WM0_PIPEC_IVB, D_ALL);
1858 	MMIO_D(WM1_LP_ILK, D_ALL);
1859 	MMIO_D(WM2_LP_ILK, D_ALL);
1860 	MMIO_D(WM3_LP_ILK, D_ALL);
1861 	MMIO_D(WM1S_LP_ILK, D_ALL);
1862 	MMIO_D(WM2S_LP_IVB, D_ALL);
1863 	MMIO_D(WM3S_LP_IVB, D_ALL);
1864 
1865 	MMIO_D(BLC_PWM_CPU_CTL2, D_ALL);
1866 	MMIO_D(BLC_PWM_CPU_CTL, D_ALL);
1867 	MMIO_D(BLC_PWM_PCH_CTL1, D_ALL);
1868 	MMIO_D(BLC_PWM_PCH_CTL2, D_ALL);
1869 
1870 	MMIO_D(0x48268, D_ALL);
1871 
1872 	MMIO_F(PCH_GMBUS0, 4 * 4, 0, 0, 0, D_ALL, gmbus_mmio_read,
1873 		gmbus_mmio_write);
1874 	MMIO_F(PCH_GPIOA, 6 * 4, F_UNALIGN, 0, 0, D_ALL, NULL, NULL);
1875 	MMIO_F(0xe4f00, 0x28, 0, 0, 0, D_ALL, NULL, NULL);
1876 
1877 	MMIO_F(_PCH_DPB_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
1878 		dp_aux_ch_ctl_mmio_write);
1879 	MMIO_F(_PCH_DPC_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
1880 		dp_aux_ch_ctl_mmio_write);
1881 	MMIO_F(_PCH_DPD_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
1882 		dp_aux_ch_ctl_mmio_write);
1883 
1884 	MMIO_RO(PCH_ADPA, D_ALL, 0, ADPA_CRT_HOTPLUG_MONITOR_MASK, NULL, pch_adpa_mmio_write);
1885 
1886 	MMIO_DH(_PCH_TRANSACONF, D_ALL, NULL, transconf_mmio_write);
1887 	MMIO_DH(_PCH_TRANSBCONF, D_ALL, NULL, transconf_mmio_write);
1888 
1889 	MMIO_DH(FDI_RX_IIR(PIPE_A), D_ALL, NULL, fdi_rx_iir_mmio_write);
1890 	MMIO_DH(FDI_RX_IIR(PIPE_B), D_ALL, NULL, fdi_rx_iir_mmio_write);
1891 	MMIO_DH(FDI_RX_IIR(PIPE_C), D_ALL, NULL, fdi_rx_iir_mmio_write);
1892 	MMIO_DH(FDI_RX_IMR(PIPE_A), D_ALL, NULL, update_fdi_rx_iir_status);
1893 	MMIO_DH(FDI_RX_IMR(PIPE_B), D_ALL, NULL, update_fdi_rx_iir_status);
1894 	MMIO_DH(FDI_RX_IMR(PIPE_C), D_ALL, NULL, update_fdi_rx_iir_status);
1895 	MMIO_DH(FDI_RX_CTL(PIPE_A), D_ALL, NULL, update_fdi_rx_iir_status);
1896 	MMIO_DH(FDI_RX_CTL(PIPE_B), D_ALL, NULL, update_fdi_rx_iir_status);
1897 	MMIO_DH(FDI_RX_CTL(PIPE_C), D_ALL, NULL, update_fdi_rx_iir_status);
1898 
1899 	MMIO_D(_PCH_TRANS_HTOTAL_A, D_ALL);
1900 	MMIO_D(_PCH_TRANS_HBLANK_A, D_ALL);
1901 	MMIO_D(_PCH_TRANS_HSYNC_A, D_ALL);
1902 	MMIO_D(_PCH_TRANS_VTOTAL_A, D_ALL);
1903 	MMIO_D(_PCH_TRANS_VBLANK_A, D_ALL);
1904 	MMIO_D(_PCH_TRANS_VSYNC_A, D_ALL);
1905 	MMIO_D(_PCH_TRANS_VSYNCSHIFT_A, D_ALL);
1906 
1907 	MMIO_D(_PCH_TRANS_HTOTAL_B, D_ALL);
1908 	MMIO_D(_PCH_TRANS_HBLANK_B, D_ALL);
1909 	MMIO_D(_PCH_TRANS_HSYNC_B, D_ALL);
1910 	MMIO_D(_PCH_TRANS_VTOTAL_B, D_ALL);
1911 	MMIO_D(_PCH_TRANS_VBLANK_B, D_ALL);
1912 	MMIO_D(_PCH_TRANS_VSYNC_B, D_ALL);
1913 	MMIO_D(_PCH_TRANS_VSYNCSHIFT_B, D_ALL);
1914 
1915 	MMIO_D(_PCH_TRANSA_DATA_M1, D_ALL);
1916 	MMIO_D(_PCH_TRANSA_DATA_N1, D_ALL);
1917 	MMIO_D(_PCH_TRANSA_DATA_M2, D_ALL);
1918 	MMIO_D(_PCH_TRANSA_DATA_N2, D_ALL);
1919 	MMIO_D(_PCH_TRANSA_LINK_M1, D_ALL);
1920 	MMIO_D(_PCH_TRANSA_LINK_N1, D_ALL);
1921 	MMIO_D(_PCH_TRANSA_LINK_M2, D_ALL);
1922 	MMIO_D(_PCH_TRANSA_LINK_N2, D_ALL);
1923 
1924 	MMIO_D(TRANS_DP_CTL(PIPE_A), D_ALL);
1925 	MMIO_D(TRANS_DP_CTL(PIPE_B), D_ALL);
1926 	MMIO_D(TRANS_DP_CTL(PIPE_C), D_ALL);
1927 
1928 	MMIO_D(TVIDEO_DIP_CTL(PIPE_A), D_ALL);
1929 	MMIO_D(TVIDEO_DIP_DATA(PIPE_A), D_ALL);
1930 	MMIO_D(TVIDEO_DIP_GCP(PIPE_A), D_ALL);
1931 
1932 	MMIO_D(TVIDEO_DIP_CTL(PIPE_B), D_ALL);
1933 	MMIO_D(TVIDEO_DIP_DATA(PIPE_B), D_ALL);
1934 	MMIO_D(TVIDEO_DIP_GCP(PIPE_B), D_ALL);
1935 
1936 	MMIO_D(TVIDEO_DIP_CTL(PIPE_C), D_ALL);
1937 	MMIO_D(TVIDEO_DIP_DATA(PIPE_C), D_ALL);
1938 	MMIO_D(TVIDEO_DIP_GCP(PIPE_C), D_ALL);
1939 
1940 	MMIO_D(_FDI_RXA_MISC, D_ALL);
1941 	MMIO_D(_FDI_RXB_MISC, D_ALL);
1942 	MMIO_D(_FDI_RXA_TUSIZE1, D_ALL);
1943 	MMIO_D(_FDI_RXA_TUSIZE2, D_ALL);
1944 	MMIO_D(_FDI_RXB_TUSIZE1, D_ALL);
1945 	MMIO_D(_FDI_RXB_TUSIZE2, D_ALL);
1946 
1947 	MMIO_DH(PCH_PP_CONTROL, D_ALL, NULL, pch_pp_control_mmio_write);
1948 	MMIO_D(PCH_PP_DIVISOR, D_ALL);
1949 	MMIO_D(PCH_PP_STATUS,  D_ALL);
1950 	MMIO_D(PCH_LVDS, D_ALL);
1951 	MMIO_D(_PCH_DPLL_A, D_ALL);
1952 	MMIO_D(_PCH_DPLL_B, D_ALL);
1953 	MMIO_D(_PCH_FPA0, D_ALL);
1954 	MMIO_D(_PCH_FPA1, D_ALL);
1955 	MMIO_D(_PCH_FPB0, D_ALL);
1956 	MMIO_D(_PCH_FPB1, D_ALL);
1957 	MMIO_D(PCH_DREF_CONTROL, D_ALL);
1958 	MMIO_D(PCH_RAWCLK_FREQ, D_ALL);
1959 	MMIO_D(PCH_DPLL_SEL, D_ALL);
1960 
1961 	MMIO_D(0x61208, D_ALL);
1962 	MMIO_D(0x6120c, D_ALL);
1963 	MMIO_D(PCH_PP_ON_DELAYS, D_ALL);
1964 	MMIO_D(PCH_PP_OFF_DELAYS, D_ALL);
1965 
1966 	MMIO_DH(0xe651c, D_ALL, dpy_reg_mmio_read, NULL);
1967 	MMIO_DH(0xe661c, D_ALL, dpy_reg_mmio_read, NULL);
1968 	MMIO_DH(0xe671c, D_ALL, dpy_reg_mmio_read, NULL);
1969 	MMIO_DH(0xe681c, D_ALL, dpy_reg_mmio_read, NULL);
1970 	MMIO_DH(0xe6c04, D_ALL, dpy_reg_mmio_read_2, NULL);
1971 	MMIO_DH(0xe6e1c, D_ALL, dpy_reg_mmio_read_3, NULL);
1972 
1973 	MMIO_RO(PCH_PORT_HOTPLUG, D_ALL, 0,
1974 		PORTA_HOTPLUG_STATUS_MASK
1975 		| PORTB_HOTPLUG_STATUS_MASK
1976 		| PORTC_HOTPLUG_STATUS_MASK
1977 		| PORTD_HOTPLUG_STATUS_MASK,
1978 		NULL, NULL);
1979 
1980 	MMIO_DH(LCPLL_CTL, D_ALL, NULL, lcpll_ctl_mmio_write);
1981 	MMIO_D(FUSE_STRAP, D_ALL);
1982 	MMIO_D(DIGITAL_PORT_HOTPLUG_CNTRL, D_ALL);
1983 
1984 	MMIO_D(DISP_ARB_CTL, D_ALL);
1985 	MMIO_D(DISP_ARB_CTL2, D_ALL);
1986 
1987 	MMIO_D(ILK_DISPLAY_CHICKEN1, D_ALL);
1988 	MMIO_D(ILK_DISPLAY_CHICKEN2, D_ALL);
1989 	MMIO_D(ILK_DSPCLK_GATE_D, D_ALL);
1990 
1991 	MMIO_D(SOUTH_CHICKEN1, D_ALL);
1992 	MMIO_DH(SOUTH_CHICKEN2, D_ALL, NULL, south_chicken2_mmio_write);
1993 	MMIO_D(_TRANSA_CHICKEN1, D_ALL);
1994 	MMIO_D(_TRANSB_CHICKEN1, D_ALL);
1995 	MMIO_D(SOUTH_DSPCLK_GATE_D, D_ALL);
1996 	MMIO_D(_TRANSA_CHICKEN2, D_ALL);
1997 	MMIO_D(_TRANSB_CHICKEN2, D_ALL);
1998 
1999 	MMIO_D(ILK_DPFC_CB_BASE, D_ALL);
2000 	MMIO_D(ILK_DPFC_CONTROL, D_ALL);
2001 	MMIO_D(ILK_DPFC_RECOMP_CTL, D_ALL);
2002 	MMIO_D(ILK_DPFC_STATUS, D_ALL);
2003 	MMIO_D(ILK_DPFC_FENCE_YOFF, D_ALL);
2004 	MMIO_D(ILK_DPFC_CHICKEN, D_ALL);
2005 	MMIO_D(ILK_FBC_RT_BASE, D_ALL);
2006 
2007 	MMIO_D(IPS_CTL, D_ALL);
2008 
2009 	MMIO_D(PIPE_CSC_COEFF_RY_GY(PIPE_A), D_ALL);
2010 	MMIO_D(PIPE_CSC_COEFF_BY(PIPE_A), D_ALL);
2011 	MMIO_D(PIPE_CSC_COEFF_RU_GU(PIPE_A), D_ALL);
2012 	MMIO_D(PIPE_CSC_COEFF_BU(PIPE_A), D_ALL);
2013 	MMIO_D(PIPE_CSC_COEFF_RV_GV(PIPE_A), D_ALL);
2014 	MMIO_D(PIPE_CSC_COEFF_BV(PIPE_A), D_ALL);
2015 	MMIO_D(PIPE_CSC_MODE(PIPE_A), D_ALL);
2016 	MMIO_D(PIPE_CSC_PREOFF_HI(PIPE_A), D_ALL);
2017 	MMIO_D(PIPE_CSC_PREOFF_ME(PIPE_A), D_ALL);
2018 	MMIO_D(PIPE_CSC_PREOFF_LO(PIPE_A), D_ALL);
2019 	MMIO_D(PIPE_CSC_POSTOFF_HI(PIPE_A), D_ALL);
2020 	MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_A), D_ALL);
2021 	MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_A), D_ALL);
2022 
2023 	MMIO_D(PIPE_CSC_COEFF_RY_GY(PIPE_B), D_ALL);
2024 	MMIO_D(PIPE_CSC_COEFF_BY(PIPE_B), D_ALL);
2025 	MMIO_D(PIPE_CSC_COEFF_RU_GU(PIPE_B), D_ALL);
2026 	MMIO_D(PIPE_CSC_COEFF_BU(PIPE_B), D_ALL);
2027 	MMIO_D(PIPE_CSC_COEFF_RV_GV(PIPE_B), D_ALL);
2028 	MMIO_D(PIPE_CSC_COEFF_BV(PIPE_B), D_ALL);
2029 	MMIO_D(PIPE_CSC_MODE(PIPE_B), D_ALL);
2030 	MMIO_D(PIPE_CSC_PREOFF_HI(PIPE_B), D_ALL);
2031 	MMIO_D(PIPE_CSC_PREOFF_ME(PIPE_B), D_ALL);
2032 	MMIO_D(PIPE_CSC_PREOFF_LO(PIPE_B), D_ALL);
2033 	MMIO_D(PIPE_CSC_POSTOFF_HI(PIPE_B), D_ALL);
2034 	MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_B), D_ALL);
2035 	MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_B), D_ALL);
2036 
2037 	MMIO_D(PIPE_CSC_COEFF_RY_GY(PIPE_C), D_ALL);
2038 	MMIO_D(PIPE_CSC_COEFF_BY(PIPE_C), D_ALL);
2039 	MMIO_D(PIPE_CSC_COEFF_RU_GU(PIPE_C), D_ALL);
2040 	MMIO_D(PIPE_CSC_COEFF_BU(PIPE_C), D_ALL);
2041 	MMIO_D(PIPE_CSC_COEFF_RV_GV(PIPE_C), D_ALL);
2042 	MMIO_D(PIPE_CSC_COEFF_BV(PIPE_C), D_ALL);
2043 	MMIO_D(PIPE_CSC_MODE(PIPE_C), D_ALL);
2044 	MMIO_D(PIPE_CSC_PREOFF_HI(PIPE_C), D_ALL);
2045 	MMIO_D(PIPE_CSC_PREOFF_ME(PIPE_C), D_ALL);
2046 	MMIO_D(PIPE_CSC_PREOFF_LO(PIPE_C), D_ALL);
2047 	MMIO_D(PIPE_CSC_POSTOFF_HI(PIPE_C), D_ALL);
2048 	MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_C), D_ALL);
2049 	MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_C), D_ALL);
2050 
2051 	MMIO_D(PREC_PAL_INDEX(PIPE_A), D_ALL);
2052 	MMIO_D(PREC_PAL_DATA(PIPE_A), D_ALL);
2053 	MMIO_F(PREC_PAL_GC_MAX(PIPE_A, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
2054 
2055 	MMIO_D(PREC_PAL_INDEX(PIPE_B), D_ALL);
2056 	MMIO_D(PREC_PAL_DATA(PIPE_B), D_ALL);
2057 	MMIO_F(PREC_PAL_GC_MAX(PIPE_B, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
2058 
2059 	MMIO_D(PREC_PAL_INDEX(PIPE_C), D_ALL);
2060 	MMIO_D(PREC_PAL_DATA(PIPE_C), D_ALL);
2061 	MMIO_F(PREC_PAL_GC_MAX(PIPE_C, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
2062 
2063 	MMIO_D(0x60110, D_ALL);
2064 	MMIO_D(0x61110, D_ALL);
2065 	MMIO_F(0x70400, 0x40, 0, 0, 0, D_ALL, NULL, NULL);
2066 	MMIO_F(0x71400, 0x40, 0, 0, 0, D_ALL, NULL, NULL);
2067 	MMIO_F(0x72400, 0x40, 0, 0, 0, D_ALL, NULL, NULL);
2068 	MMIO_F(0x70440, 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2069 	MMIO_F(0x71440, 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2070 	MMIO_F(0x72440, 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2071 	MMIO_F(0x7044c, 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2072 	MMIO_F(0x7144c, 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2073 	MMIO_F(0x7244c, 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2074 
2075 	MMIO_D(PIPE_WM_LINETIME(PIPE_A), D_ALL);
2076 	MMIO_D(PIPE_WM_LINETIME(PIPE_B), D_ALL);
2077 	MMIO_D(PIPE_WM_LINETIME(PIPE_C), D_ALL);
2078 	MMIO_D(SPLL_CTL, D_ALL);
2079 	MMIO_D(_WRPLL_CTL1, D_ALL);
2080 	MMIO_D(_WRPLL_CTL2, D_ALL);
2081 	MMIO_D(PORT_CLK_SEL(PORT_A), D_ALL);
2082 	MMIO_D(PORT_CLK_SEL(PORT_B), D_ALL);
2083 	MMIO_D(PORT_CLK_SEL(PORT_C), D_ALL);
2084 	MMIO_D(PORT_CLK_SEL(PORT_D), D_ALL);
2085 	MMIO_D(PORT_CLK_SEL(PORT_E), D_ALL);
2086 	MMIO_D(TRANS_CLK_SEL(TRANSCODER_A), D_ALL);
2087 	MMIO_D(TRANS_CLK_SEL(TRANSCODER_B), D_ALL);
2088 	MMIO_D(TRANS_CLK_SEL(TRANSCODER_C), D_ALL);
2089 
2090 	MMIO_D(HSW_NDE_RSTWRN_OPT, D_ALL);
2091 	MMIO_D(0x46508, D_ALL);
2092 
2093 	MMIO_D(0x49080, D_ALL);
2094 	MMIO_D(0x49180, D_ALL);
2095 	MMIO_D(0x49280, D_ALL);
2096 
2097 	MMIO_F(0x49090, 0x14, 0, 0, 0, D_ALL, NULL, NULL);
2098 	MMIO_F(0x49190, 0x14, 0, 0, 0, D_ALL, NULL, NULL);
2099 	MMIO_F(0x49290, 0x14, 0, 0, 0, D_ALL, NULL, NULL);
2100 
2101 	MMIO_D(GAMMA_MODE(PIPE_A), D_ALL);
2102 	MMIO_D(GAMMA_MODE(PIPE_B), D_ALL);
2103 	MMIO_D(GAMMA_MODE(PIPE_C), D_ALL);
2104 
2105 	MMIO_D(PIPE_MULT(PIPE_A), D_ALL);
2106 	MMIO_D(PIPE_MULT(PIPE_B), D_ALL);
2107 	MMIO_D(PIPE_MULT(PIPE_C), D_ALL);
2108 
2109 	MMIO_D(HSW_TVIDEO_DIP_CTL(TRANSCODER_A), D_ALL);
2110 	MMIO_D(HSW_TVIDEO_DIP_CTL(TRANSCODER_B), D_ALL);
2111 	MMIO_D(HSW_TVIDEO_DIP_CTL(TRANSCODER_C), D_ALL);
2112 
2113 	MMIO_DH(SFUSE_STRAP, D_ALL, NULL, NULL);
2114 	MMIO_D(SBI_ADDR, D_ALL);
2115 	MMIO_DH(SBI_DATA, D_ALL, sbi_data_mmio_read, NULL);
2116 	MMIO_DH(SBI_CTL_STAT, D_ALL, NULL, sbi_ctl_mmio_write);
2117 	MMIO_D(PIXCLK_GATE, D_ALL);
2118 
2119 	MMIO_F(_DPA_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_ALL, NULL,
2120 		dp_aux_ch_ctl_mmio_write);
2121 
2122 	MMIO_DH(DDI_BUF_CTL(PORT_A), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2123 	MMIO_DH(DDI_BUF_CTL(PORT_B), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2124 	MMIO_DH(DDI_BUF_CTL(PORT_C), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2125 	MMIO_DH(DDI_BUF_CTL(PORT_D), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2126 	MMIO_DH(DDI_BUF_CTL(PORT_E), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2127 
2128 	MMIO_DH(DP_TP_CTL(PORT_A), D_ALL, NULL, dp_tp_ctl_mmio_write);
2129 	MMIO_DH(DP_TP_CTL(PORT_B), D_ALL, NULL, dp_tp_ctl_mmio_write);
2130 	MMIO_DH(DP_TP_CTL(PORT_C), D_ALL, NULL, dp_tp_ctl_mmio_write);
2131 	MMIO_DH(DP_TP_CTL(PORT_D), D_ALL, NULL, dp_tp_ctl_mmio_write);
2132 	MMIO_DH(DP_TP_CTL(PORT_E), D_ALL, NULL, dp_tp_ctl_mmio_write);
2133 
2134 	MMIO_DH(DP_TP_STATUS(PORT_A), D_ALL, NULL, dp_tp_status_mmio_write);
2135 	MMIO_DH(DP_TP_STATUS(PORT_B), D_ALL, NULL, dp_tp_status_mmio_write);
2136 	MMIO_DH(DP_TP_STATUS(PORT_C), D_ALL, NULL, dp_tp_status_mmio_write);
2137 	MMIO_DH(DP_TP_STATUS(PORT_D), D_ALL, NULL, dp_tp_status_mmio_write);
2138 	MMIO_DH(DP_TP_STATUS(PORT_E), D_ALL, NULL, NULL);
2139 
2140 	MMIO_F(_DDI_BUF_TRANS_A, 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2141 	MMIO_F(0x64e60, 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2142 	MMIO_F(0x64eC0, 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2143 	MMIO_F(0x64f20, 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2144 	MMIO_F(0x64f80, 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2145 
2146 	MMIO_D(HSW_AUD_CFG(PIPE_A), D_ALL);
2147 	MMIO_D(HSW_AUD_PIN_ELD_CP_VLD, D_ALL);
2148 
2149 	MMIO_DH(_TRANS_DDI_FUNC_CTL_A, D_ALL, NULL, NULL);
2150 	MMIO_DH(_TRANS_DDI_FUNC_CTL_B, D_ALL, NULL, NULL);
2151 	MMIO_DH(_TRANS_DDI_FUNC_CTL_C, D_ALL, NULL, NULL);
2152 	MMIO_DH(_TRANS_DDI_FUNC_CTL_EDP, D_ALL, NULL, NULL);
2153 
2154 	MMIO_D(_TRANSA_MSA_MISC, D_ALL);
2155 	MMIO_D(_TRANSB_MSA_MISC, D_ALL);
2156 	MMIO_D(_TRANSC_MSA_MISC, D_ALL);
2157 	MMIO_D(_TRANS_EDP_MSA_MISC, D_ALL);
2158 
2159 	MMIO_DH(FORCEWAKE, D_ALL, NULL, NULL);
2160 	MMIO_D(FORCEWAKE_ACK, D_ALL);
2161 	MMIO_D(GEN6_GT_CORE_STATUS, D_ALL);
2162 	MMIO_D(GEN6_GT_THREAD_STATUS_REG, D_ALL);
2163 	MMIO_DFH(GTFIFODBG, D_ALL, F_CMD_ACCESS, NULL, NULL);
2164 	MMIO_DFH(GTFIFOCTL, D_ALL, F_CMD_ACCESS, NULL, NULL);
2165 	MMIO_DH(FORCEWAKE_MT, D_PRE_SKL, NULL, mul_force_wake_write);
2166 	MMIO_DH(FORCEWAKE_ACK_HSW, D_HSW | D_BDW, NULL, NULL);
2167 	MMIO_D(ECOBUS, D_ALL);
2168 	MMIO_DH(GEN6_RC_CONTROL, D_ALL, NULL, NULL);
2169 	MMIO_DH(GEN6_RC_STATE, D_ALL, NULL, NULL);
2170 	MMIO_D(GEN6_RPNSWREQ, D_ALL);
2171 	MMIO_D(GEN6_RC_VIDEO_FREQ, D_ALL);
2172 	MMIO_D(GEN6_RP_DOWN_TIMEOUT, D_ALL);
2173 	MMIO_D(GEN6_RP_INTERRUPT_LIMITS, D_ALL);
2174 	MMIO_D(GEN6_RPSTAT1, D_ALL);
2175 	MMIO_D(GEN6_RP_CONTROL, D_ALL);
2176 	MMIO_D(GEN6_RP_UP_THRESHOLD, D_ALL);
2177 	MMIO_D(GEN6_RP_DOWN_THRESHOLD, D_ALL);
2178 	MMIO_D(GEN6_RP_CUR_UP_EI, D_ALL);
2179 	MMIO_D(GEN6_RP_CUR_UP, D_ALL);
2180 	MMIO_D(GEN6_RP_PREV_UP, D_ALL);
2181 	MMIO_D(GEN6_RP_CUR_DOWN_EI, D_ALL);
2182 	MMIO_D(GEN6_RP_CUR_DOWN, D_ALL);
2183 	MMIO_D(GEN6_RP_PREV_DOWN, D_ALL);
2184 	MMIO_D(GEN6_RP_UP_EI, D_ALL);
2185 	MMIO_D(GEN6_RP_DOWN_EI, D_ALL);
2186 	MMIO_D(GEN6_RP_IDLE_HYSTERSIS, D_ALL);
2187 	MMIO_D(GEN6_RC1_WAKE_RATE_LIMIT, D_ALL);
2188 	MMIO_D(GEN6_RC6_WAKE_RATE_LIMIT, D_ALL);
2189 	MMIO_D(GEN6_RC6pp_WAKE_RATE_LIMIT, D_ALL);
2190 	MMIO_D(GEN6_RC_EVALUATION_INTERVAL, D_ALL);
2191 	MMIO_D(GEN6_RC_IDLE_HYSTERSIS, D_ALL);
2192 	MMIO_D(GEN6_RC_SLEEP, D_ALL);
2193 	MMIO_D(GEN6_RC1e_THRESHOLD, D_ALL);
2194 	MMIO_D(GEN6_RC6_THRESHOLD, D_ALL);
2195 	MMIO_D(GEN6_RC6p_THRESHOLD, D_ALL);
2196 	MMIO_D(GEN6_RC6pp_THRESHOLD, D_ALL);
2197 	MMIO_D(GEN6_PMINTRMSK, D_ALL);
2198 	MMIO_DH(HSW_PWR_WELL_BIOS, D_HSW | D_BDW, NULL, power_well_ctl_mmio_write);
2199 	MMIO_DH(HSW_PWR_WELL_DRIVER, D_HSW | D_BDW, NULL, power_well_ctl_mmio_write);
2200 	MMIO_DH(HSW_PWR_WELL_KVMR, D_HSW | D_BDW, NULL, power_well_ctl_mmio_write);
2201 	MMIO_DH(HSW_PWR_WELL_DEBUG, D_HSW | D_BDW, NULL, power_well_ctl_mmio_write);
2202 	MMIO_DH(HSW_PWR_WELL_CTL5, D_HSW | D_BDW, NULL, power_well_ctl_mmio_write);
2203 	MMIO_DH(HSW_PWR_WELL_CTL6, D_HSW | D_BDW, NULL, power_well_ctl_mmio_write);
2204 
2205 	MMIO_D(RSTDBYCTL, D_ALL);
2206 
2207 	MMIO_DH(GEN6_GDRST, D_ALL, NULL, gdrst_mmio_write);
2208 	MMIO_F(FENCE_REG_GEN6_LO(0), 0x80, 0, 0, 0, D_ALL, fence_mmio_read, fence_mmio_write);
2209 	MMIO_F(VGT_PVINFO_PAGE, VGT_PVINFO_SIZE, F_UNALIGN, 0, 0, D_ALL, pvinfo_mmio_read, pvinfo_mmio_write);
2210 	MMIO_DH(CPU_VGACNTRL, D_ALL, NULL, vga_control_mmio_write);
2211 
2212 	MMIO_F(MCHBAR_MIRROR_BASE_SNB, 0x40000, 0, 0, 0, D_ALL, NULL, NULL);
2213 
2214 	MMIO_D(TILECTL, D_ALL);
2215 
2216 	MMIO_D(GEN6_UCGCTL1, D_ALL);
2217 	MMIO_D(GEN6_UCGCTL2, D_ALL);
2218 
2219 	MMIO_F(0x4f000, 0x90, 0, 0, 0, D_ALL, NULL, NULL);
2220 
2221 	MMIO_D(GEN6_PCODE_MAILBOX, D_PRE_BDW);
2222 	MMIO_D(GEN6_PCODE_DATA, D_ALL);
2223 	MMIO_D(0x13812c, D_ALL);
2224 	MMIO_DH(GEN7_ERR_INT, D_ALL, NULL, NULL);
2225 	MMIO_D(HSW_EDRAM_CAP, D_ALL);
2226 	MMIO_D(HSW_IDICR, D_ALL);
2227 	MMIO_DH(GFX_FLSH_CNTL_GEN6, D_ALL, NULL, NULL);
2228 
2229 	MMIO_D(0x3c, D_ALL);
2230 	MMIO_D(0x860, D_ALL);
2231 	MMIO_D(ECOSKPD, D_ALL);
2232 	MMIO_D(0x121d0, D_ALL);
2233 	MMIO_D(GEN6_BLITTER_ECOSKPD, D_ALL);
2234 	MMIO_D(0x41d0, D_ALL);
2235 	MMIO_D(GAC_ECO_BITS, D_ALL);
2236 	MMIO_D(0x6200, D_ALL);
2237 	MMIO_D(0x6204, D_ALL);
2238 	MMIO_D(0x6208, D_ALL);
2239 	MMIO_D(0x7118, D_ALL);
2240 	MMIO_D(0x7180, D_ALL);
2241 	MMIO_D(0x7408, D_ALL);
2242 	MMIO_D(0x7c00, D_ALL);
2243 	MMIO_D(GEN6_MBCTL, D_ALL);
2244 	MMIO_D(0x911c, D_ALL);
2245 	MMIO_D(0x9120, D_ALL);
2246 	MMIO_DFH(GEN7_UCGCTL4, D_ALL, F_CMD_ACCESS, NULL, NULL);
2247 
2248 	MMIO_D(GAB_CTL, D_ALL);
2249 	MMIO_D(0x48800, D_ALL);
2250 	MMIO_D(0xce044, D_ALL);
2251 	MMIO_D(0xe6500, D_ALL);
2252 	MMIO_D(0xe6504, D_ALL);
2253 	MMIO_D(0xe6600, D_ALL);
2254 	MMIO_D(0xe6604, D_ALL);
2255 	MMIO_D(0xe6700, D_ALL);
2256 	MMIO_D(0xe6704, D_ALL);
2257 	MMIO_D(0xe6800, D_ALL);
2258 	MMIO_D(0xe6804, D_ALL);
2259 	MMIO_D(PCH_GMBUS4, D_ALL);
2260 	MMIO_D(PCH_GMBUS5, D_ALL);
2261 
2262 	MMIO_D(0x902c, D_ALL);
2263 	MMIO_D(0xec008, D_ALL);
2264 	MMIO_D(0xec00c, D_ALL);
2265 	MMIO_D(0xec008 + 0x18, D_ALL);
2266 	MMIO_D(0xec00c + 0x18, D_ALL);
2267 	MMIO_D(0xec008 + 0x18 * 2, D_ALL);
2268 	MMIO_D(0xec00c + 0x18 * 2, D_ALL);
2269 	MMIO_D(0xec008 + 0x18 * 3, D_ALL);
2270 	MMIO_D(0xec00c + 0x18 * 3, D_ALL);
2271 	MMIO_D(0xec408, D_ALL);
2272 	MMIO_D(0xec40c, D_ALL);
2273 	MMIO_D(0xec408 + 0x18, D_ALL);
2274 	MMIO_D(0xec40c + 0x18, D_ALL);
2275 	MMIO_D(0xec408 + 0x18 * 2, D_ALL);
2276 	MMIO_D(0xec40c + 0x18 * 2, D_ALL);
2277 	MMIO_D(0xec408 + 0x18 * 3, D_ALL);
2278 	MMIO_D(0xec40c + 0x18 * 3, D_ALL);
2279 	MMIO_D(0xfc810, D_ALL);
2280 	MMIO_D(0xfc81c, D_ALL);
2281 	MMIO_D(0xfc828, D_ALL);
2282 	MMIO_D(0xfc834, D_ALL);
2283 	MMIO_D(0xfcc00, D_ALL);
2284 	MMIO_D(0xfcc0c, D_ALL);
2285 	MMIO_D(0xfcc18, D_ALL);
2286 	MMIO_D(0xfcc24, D_ALL);
2287 	MMIO_D(0xfd000, D_ALL);
2288 	MMIO_D(0xfd00c, D_ALL);
2289 	MMIO_D(0xfd018, D_ALL);
2290 	MMIO_D(0xfd024, D_ALL);
2291 	MMIO_D(0xfd034, D_ALL);
2292 
2293 	MMIO_DH(FPGA_DBG, D_ALL, NULL, fpga_dbg_mmio_write);
2294 	MMIO_D(0x2054, D_ALL);
2295 	MMIO_D(0x12054, D_ALL);
2296 	MMIO_D(0x22054, D_ALL);
2297 	MMIO_D(0x1a054, D_ALL);
2298 
2299 	MMIO_D(0x44070, D_ALL);
2300 	MMIO_DFH(0x215c, D_HSW_PLUS, F_CMD_ACCESS, NULL, NULL);
2301 	MMIO_DFH(0x2178, D_ALL, F_CMD_ACCESS, NULL, NULL);
2302 	MMIO_DFH(0x217c, D_ALL, F_CMD_ACCESS, NULL, NULL);
2303 	MMIO_DFH(0x12178, D_ALL, F_CMD_ACCESS, NULL, NULL);
2304 	MMIO_DFH(0x1217c, D_ALL, F_CMD_ACCESS, NULL, NULL);
2305 
2306 	MMIO_F(0x2290, 8, F_CMD_ACCESS, 0, 0, D_HSW_PLUS, NULL, NULL);
2307 	MMIO_DFH(GEN7_OACONTROL, D_HSW, F_CMD_ACCESS, NULL, NULL);
2308 	MMIO_D(0x2b00, D_BDW_PLUS);
2309 	MMIO_D(0x2360, D_BDW_PLUS);
2310 	MMIO_F(0x5200, 32, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2311 	MMIO_F(0x5240, 32, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2312 	MMIO_F(0x5280, 16, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2313 
2314 	MMIO_DFH(0x1c17c, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2315 	MMIO_DFH(0x1c178, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2316 	MMIO_DFH(BCS_SWCTRL, D_ALL, F_CMD_ACCESS, NULL, NULL);
2317 
2318 	MMIO_F(HS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2319 	MMIO_F(DS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2320 	MMIO_F(IA_VERTICES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2321 	MMIO_F(IA_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2322 	MMIO_F(VS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2323 	MMIO_F(GS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2324 	MMIO_F(GS_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2325 	MMIO_F(CL_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2326 	MMIO_F(CL_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2327 	MMIO_F(PS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2328 	MMIO_F(PS_DEPTH_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2329 	MMIO_DH(0x4260, D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2330 	MMIO_DH(0x4264, D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2331 	MMIO_DH(0x4268, D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2332 	MMIO_DH(0x426c, D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2333 	MMIO_DH(0x4270, D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2334 	MMIO_DFH(0x4094, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2335 
2336 	MMIO_DFH(ARB_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2337 	MMIO_RING_GM_RDR(RING_BBADDR, D_ALL, NULL, NULL);
2338 	MMIO_DFH(0x2220, D_ALL, F_CMD_ACCESS, NULL, NULL);
2339 	MMIO_DFH(0x12220, D_ALL, F_CMD_ACCESS, NULL, NULL);
2340 	MMIO_DFH(0x22220, D_ALL, F_CMD_ACCESS, NULL, NULL);
2341 	MMIO_RING_DFH(RING_SYNC_1, D_ALL, F_CMD_ACCESS, NULL, NULL);
2342 	MMIO_RING_DFH(RING_SYNC_0, D_ALL, F_CMD_ACCESS, NULL, NULL);
2343 	MMIO_DFH(0x22178, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2344 	MMIO_DFH(0x1a178, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2345 	MMIO_DFH(0x1a17c, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2346 	MMIO_DFH(0x2217c, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2347 	return 0;
2348 }
2349 
2350 static int init_broadwell_mmio_info(struct intel_gvt *gvt)
2351 {
2352 	struct drm_i915_private *dev_priv = gvt->dev_priv;
2353 	int ret;
2354 
2355 	MMIO_DFH(RING_IMR(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS, NULL,
2356 			intel_vgpu_reg_imr_handler);
2357 
2358 	MMIO_DH(GEN8_GT_IMR(0), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2359 	MMIO_DH(GEN8_GT_IER(0), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2360 	MMIO_DH(GEN8_GT_IIR(0), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2361 	MMIO_D(GEN8_GT_ISR(0), D_BDW_PLUS);
2362 
2363 	MMIO_DH(GEN8_GT_IMR(1), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2364 	MMIO_DH(GEN8_GT_IER(1), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2365 	MMIO_DH(GEN8_GT_IIR(1), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2366 	MMIO_D(GEN8_GT_ISR(1), D_BDW_PLUS);
2367 
2368 	MMIO_DH(GEN8_GT_IMR(2), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2369 	MMIO_DH(GEN8_GT_IER(2), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2370 	MMIO_DH(GEN8_GT_IIR(2), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2371 	MMIO_D(GEN8_GT_ISR(2), D_BDW_PLUS);
2372 
2373 	MMIO_DH(GEN8_GT_IMR(3), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2374 	MMIO_DH(GEN8_GT_IER(3), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2375 	MMIO_DH(GEN8_GT_IIR(3), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2376 	MMIO_D(GEN8_GT_ISR(3), D_BDW_PLUS);
2377 
2378 	MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_A), D_BDW_PLUS, NULL,
2379 		intel_vgpu_reg_imr_handler);
2380 	MMIO_DH(GEN8_DE_PIPE_IER(PIPE_A), D_BDW_PLUS, NULL,
2381 		intel_vgpu_reg_ier_handler);
2382 	MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_A), D_BDW_PLUS, NULL,
2383 		intel_vgpu_reg_iir_handler);
2384 	MMIO_D(GEN8_DE_PIPE_ISR(PIPE_A), D_BDW_PLUS);
2385 
2386 	MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_B), D_BDW_PLUS, NULL,
2387 		intel_vgpu_reg_imr_handler);
2388 	MMIO_DH(GEN8_DE_PIPE_IER(PIPE_B), D_BDW_PLUS, NULL,
2389 		intel_vgpu_reg_ier_handler);
2390 	MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_B), D_BDW_PLUS, NULL,
2391 		intel_vgpu_reg_iir_handler);
2392 	MMIO_D(GEN8_DE_PIPE_ISR(PIPE_B), D_BDW_PLUS);
2393 
2394 	MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_C), D_BDW_PLUS, NULL,
2395 		intel_vgpu_reg_imr_handler);
2396 	MMIO_DH(GEN8_DE_PIPE_IER(PIPE_C), D_BDW_PLUS, NULL,
2397 		intel_vgpu_reg_ier_handler);
2398 	MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_C), D_BDW_PLUS, NULL,
2399 		intel_vgpu_reg_iir_handler);
2400 	MMIO_D(GEN8_DE_PIPE_ISR(PIPE_C), D_BDW_PLUS);
2401 
2402 	MMIO_DH(GEN8_DE_PORT_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2403 	MMIO_DH(GEN8_DE_PORT_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2404 	MMIO_DH(GEN8_DE_PORT_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2405 	MMIO_D(GEN8_DE_PORT_ISR, D_BDW_PLUS);
2406 
2407 	MMIO_DH(GEN8_DE_MISC_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2408 	MMIO_DH(GEN8_DE_MISC_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2409 	MMIO_DH(GEN8_DE_MISC_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2410 	MMIO_D(GEN8_DE_MISC_ISR, D_BDW_PLUS);
2411 
2412 	MMIO_DH(GEN8_PCU_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2413 	MMIO_DH(GEN8_PCU_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2414 	MMIO_DH(GEN8_PCU_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2415 	MMIO_D(GEN8_PCU_ISR, D_BDW_PLUS);
2416 
2417 	MMIO_DH(GEN8_MASTER_IRQ, D_BDW_PLUS, NULL,
2418 		intel_vgpu_reg_master_irq_handler);
2419 
2420 	MMIO_DFH(RING_HWSTAM(GEN8_BSD2_RING_BASE), D_BDW_PLUS,
2421 		F_CMD_ACCESS, NULL, NULL);
2422 	MMIO_DFH(0x1c134, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2423 
2424 	MMIO_DFH(RING_TAIL(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS,
2425 		NULL, NULL);
2426 	MMIO_DFH(RING_HEAD(GEN8_BSD2_RING_BASE),  D_BDW_PLUS,
2427 		F_CMD_ACCESS, NULL, NULL);
2428 	MMIO_GM_RDR(RING_START(GEN8_BSD2_RING_BASE), D_BDW_PLUS, NULL, NULL);
2429 	MMIO_DFH(RING_CTL(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS,
2430 		NULL, NULL);
2431 	MMIO_DFH(RING_ACTHD(GEN8_BSD2_RING_BASE), D_BDW_PLUS,
2432 		F_CMD_ACCESS, NULL, NULL);
2433 	MMIO_DFH(RING_ACTHD_UDW(GEN8_BSD2_RING_BASE), D_BDW_PLUS,
2434 		F_CMD_ACCESS, NULL, NULL);
2435 	MMIO_DFH(0x1c29c, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL,
2436 		ring_mode_mmio_write);
2437 	MMIO_DFH(RING_MI_MODE(GEN8_BSD2_RING_BASE), D_BDW_PLUS,
2438 		F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2439 	MMIO_DFH(RING_INSTPM(GEN8_BSD2_RING_BASE), D_BDW_PLUS,
2440 		F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2441 	MMIO_DFH(RING_TIMESTAMP(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS,
2442 			ring_timestamp_mmio_read, NULL);
2443 
2444 	MMIO_RING_DFH(RING_ACTHD_UDW, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2445 
2446 #define RING_REG(base) (base + 0xd0)
2447 	MMIO_RING_F(RING_REG, 4, F_RO, 0,
2448 		~_MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET), D_BDW_PLUS, NULL,
2449 		ring_reset_ctl_write);
2450 	MMIO_F(RING_REG(GEN8_BSD2_RING_BASE), 4, F_RO, 0,
2451 		~_MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET), D_BDW_PLUS, NULL,
2452 		ring_reset_ctl_write);
2453 #undef RING_REG
2454 
2455 #define RING_REG(base) (base + 0x230)
2456 	MMIO_RING_DFH(RING_REG, D_BDW_PLUS, 0, NULL, elsp_mmio_write);
2457 	MMIO_DH(RING_REG(GEN8_BSD2_RING_BASE), D_BDW_PLUS, NULL, elsp_mmio_write);
2458 #undef RING_REG
2459 
2460 #define RING_REG(base) (base + 0x234)
2461 	MMIO_RING_F(RING_REG, 8, F_RO | F_CMD_ACCESS, 0, ~0, D_BDW_PLUS,
2462 		NULL, NULL);
2463 	MMIO_F(RING_REG(GEN8_BSD2_RING_BASE), 4, F_RO | F_CMD_ACCESS, 0,
2464 		~0LL, D_BDW_PLUS, NULL, NULL);
2465 #undef RING_REG
2466 
2467 #define RING_REG(base) (base + 0x244)
2468 	MMIO_RING_DFH(RING_REG, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2469 	MMIO_DFH(RING_REG(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS,
2470 		NULL, NULL);
2471 #undef RING_REG
2472 
2473 #define RING_REG(base) (base + 0x370)
2474 	MMIO_RING_F(RING_REG, 48, F_RO, 0, ~0, D_BDW_PLUS, NULL, NULL);
2475 	MMIO_F(RING_REG(GEN8_BSD2_RING_BASE), 48, F_RO, 0, ~0, D_BDW_PLUS,
2476 			NULL, NULL);
2477 #undef RING_REG
2478 
2479 #define RING_REG(base) (base + 0x3a0)
2480 	MMIO_RING_DFH(RING_REG, D_BDW_PLUS, F_MODE_MASK, NULL, NULL);
2481 	MMIO_DFH(RING_REG(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_MODE_MASK, NULL, NULL);
2482 #undef RING_REG
2483 
2484 	MMIO_D(PIPEMISC(PIPE_A), D_BDW_PLUS);
2485 	MMIO_D(PIPEMISC(PIPE_B), D_BDW_PLUS);
2486 	MMIO_D(PIPEMISC(PIPE_C), D_BDW_PLUS);
2487 	MMIO_D(0x1c1d0, D_BDW_PLUS);
2488 	MMIO_D(GEN6_MBCUNIT_SNPCR, D_BDW_PLUS);
2489 	MMIO_D(GEN7_MISCCPCTL, D_BDW_PLUS);
2490 	MMIO_D(0x1c054, D_BDW_PLUS);
2491 
2492 	MMIO_DH(GEN6_PCODE_MAILBOX, D_BDW_PLUS, NULL, mailbox_write);
2493 
2494 	MMIO_D(GEN8_PRIVATE_PAT_LO, D_BDW_PLUS);
2495 	MMIO_D(GEN8_PRIVATE_PAT_HI, D_BDW_PLUS);
2496 
2497 	MMIO_D(GAMTARBMODE, D_BDW_PLUS);
2498 
2499 #define RING_REG(base) (base + 0x270)
2500 	MMIO_RING_F(RING_REG, 32, 0, 0, 0, D_BDW_PLUS, NULL, NULL);
2501 	MMIO_F(RING_REG(GEN8_BSD2_RING_BASE), 32, 0, 0, 0, D_BDW_PLUS, NULL, NULL);
2502 #undef RING_REG
2503 
2504 	MMIO_RING_GM_RDR(RING_HWS_PGA, D_BDW_PLUS, NULL, NULL);
2505 	MMIO_GM_RDR(RING_HWS_PGA(GEN8_BSD2_RING_BASE), D_BDW_PLUS, NULL, NULL);
2506 
2507 	MMIO_DFH(HDC_CHICKEN0, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2508 
2509 	MMIO_D(CHICKEN_PIPESL_1(PIPE_A), D_BDW_PLUS);
2510 	MMIO_D(CHICKEN_PIPESL_1(PIPE_B), D_BDW_PLUS);
2511 	MMIO_D(CHICKEN_PIPESL_1(PIPE_C), D_BDW_PLUS);
2512 
2513 	MMIO_D(WM_MISC, D_BDW);
2514 	MMIO_D(BDW_EDP_PSR_BASE, D_BDW);
2515 
2516 	MMIO_D(0x66c00, D_BDW_PLUS);
2517 	MMIO_D(0x66c04, D_BDW_PLUS);
2518 
2519 	MMIO_D(HSW_GTT_CACHE_EN, D_BDW_PLUS);
2520 
2521 	MMIO_D(GEN8_EU_DISABLE0, D_BDW_PLUS);
2522 	MMIO_D(GEN8_EU_DISABLE1, D_BDW_PLUS);
2523 	MMIO_D(GEN8_EU_DISABLE2, D_BDW_PLUS);
2524 
2525 	MMIO_D(0xfdc, D_BDW_PLUS);
2526 	MMIO_DFH(GEN8_ROW_CHICKEN, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS,
2527 		NULL, NULL);
2528 	MMIO_DFH(GEN7_ROW_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS,
2529 		NULL, NULL);
2530 	MMIO_DFH(GEN8_UCGCTL6, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2531 
2532 	MMIO_DFH(0xb1f0, D_BDW, F_CMD_ACCESS, NULL, NULL);
2533 	MMIO_DFH(0xb1c0, D_BDW, F_CMD_ACCESS, NULL, NULL);
2534 	MMIO_DFH(GEN8_L3SQCREG4, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2535 	MMIO_DFH(0xb100, D_BDW, F_CMD_ACCESS, NULL, NULL);
2536 	MMIO_DFH(0xb10c, D_BDW, F_CMD_ACCESS, NULL, NULL);
2537 	MMIO_D(0xb110, D_BDW);
2538 
2539 	MMIO_F(0x24d0, 48, F_CMD_ACCESS, 0, 0, D_BDW_PLUS,
2540 		NULL, force_nonpriv_write);
2541 
2542 	MMIO_D(0x22040, D_BDW_PLUS);
2543 	MMIO_D(0x44484, D_BDW_PLUS);
2544 	MMIO_D(0x4448c, D_BDW_PLUS);
2545 
2546 	MMIO_DFH(0x83a4, D_BDW, F_CMD_ACCESS, NULL, NULL);
2547 	MMIO_D(GEN8_L3_LRA_1_GPGPU, D_BDW_PLUS);
2548 
2549 	MMIO_DFH(0x8430, D_BDW, F_CMD_ACCESS, NULL, NULL);
2550 
2551 	MMIO_D(0x110000, D_BDW_PLUS);
2552 
2553 	MMIO_D(0x48400, D_BDW_PLUS);
2554 
2555 	MMIO_D(0x6e570, D_BDW_PLUS);
2556 	MMIO_D(0x65f10, D_BDW_PLUS);
2557 
2558 	MMIO_DFH(0xe194, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2559 	MMIO_DFH(0xe188, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2560 	MMIO_DFH(HALF_SLICE_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2561 	MMIO_DFH(0x2580, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2562 
2563 	MMIO_DFH(0x2248, D_BDW, F_CMD_ACCESS, NULL, NULL);
2564 
2565 	MMIO_DFH(0xe220, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2566 	MMIO_DFH(0xe230, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2567 	MMIO_DFH(0xe240, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2568 	MMIO_DFH(0xe260, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2569 	MMIO_DFH(0xe270, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2570 	MMIO_DFH(0xe280, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2571 	MMIO_DFH(0xe2a0, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2572 	MMIO_DFH(0xe2b0, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2573 	MMIO_DFH(0xe2c0, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2574 	return 0;
2575 }
2576 
2577 static int init_skl_mmio_info(struct intel_gvt *gvt)
2578 {
2579 	struct drm_i915_private *dev_priv = gvt->dev_priv;
2580 	int ret;
2581 
2582 	MMIO_DH(FORCEWAKE_RENDER_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
2583 	MMIO_DH(FORCEWAKE_ACK_RENDER_GEN9, D_SKL_PLUS, NULL, NULL);
2584 	MMIO_DH(FORCEWAKE_BLITTER_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
2585 	MMIO_DH(FORCEWAKE_ACK_BLITTER_GEN9, D_SKL_PLUS, NULL, NULL);
2586 	MMIO_DH(FORCEWAKE_MEDIA_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
2587 	MMIO_DH(FORCEWAKE_ACK_MEDIA_GEN9, D_SKL_PLUS, NULL, NULL);
2588 
2589 	MMIO_F(_DPB_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_SKL, NULL, dp_aux_ch_ctl_mmio_write);
2590 	MMIO_F(_DPC_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_SKL, NULL, dp_aux_ch_ctl_mmio_write);
2591 	MMIO_F(_DPD_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_SKL, NULL, dp_aux_ch_ctl_mmio_write);
2592 
2593 	MMIO_D(HSW_PWR_WELL_BIOS, D_SKL);
2594 	MMIO_DH(HSW_PWR_WELL_DRIVER, D_SKL, NULL, skl_power_well_ctl_write);
2595 
2596 	MMIO_D(0xa210, D_SKL_PLUS);
2597 	MMIO_D(GEN9_MEDIA_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
2598 	MMIO_D(GEN9_RENDER_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
2599 	MMIO_DFH(GEN9_GAMT_ECO_REG_RW_IA, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
2600 	MMIO_DH(0x4ddc, D_SKL, NULL, skl_misc_ctl_write);
2601 	MMIO_DH(0x42080, D_SKL, NULL, skl_misc_ctl_write);
2602 	MMIO_D(0x45504, D_SKL);
2603 	MMIO_D(0x45520, D_SKL);
2604 	MMIO_D(0x46000, D_SKL);
2605 	MMIO_DH(0x46010, D_SKL, NULL, skl_lcpll_write);
2606 	MMIO_DH(0x46014, D_SKL, NULL, skl_lcpll_write);
2607 	MMIO_D(0x6C040, D_SKL);
2608 	MMIO_D(0x6C048, D_SKL);
2609 	MMIO_D(0x6C050, D_SKL);
2610 	MMIO_D(0x6C044, D_SKL);
2611 	MMIO_D(0x6C04C, D_SKL);
2612 	MMIO_D(0x6C054, D_SKL);
2613 	MMIO_D(0x6c058, D_SKL);
2614 	MMIO_D(0x6c05c, D_SKL);
2615 	MMIO_DH(0X6c060, D_SKL, dpll_status_read, NULL);
2616 
2617 	MMIO_DH(SKL_PS_WIN_POS(PIPE_A, 0), D_SKL, NULL, pf_write);
2618 	MMIO_DH(SKL_PS_WIN_POS(PIPE_A, 1), D_SKL, NULL, pf_write);
2619 	MMIO_DH(SKL_PS_WIN_POS(PIPE_B, 0), D_SKL, NULL, pf_write);
2620 	MMIO_DH(SKL_PS_WIN_POS(PIPE_B, 1), D_SKL, NULL, pf_write);
2621 	MMIO_DH(SKL_PS_WIN_POS(PIPE_C, 0), D_SKL, NULL, pf_write);
2622 	MMIO_DH(SKL_PS_WIN_POS(PIPE_C, 1), D_SKL, NULL, pf_write);
2623 
2624 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_A, 0), D_SKL, NULL, pf_write);
2625 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_A, 1), D_SKL, NULL, pf_write);
2626 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_B, 0), D_SKL, NULL, pf_write);
2627 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_B, 1), D_SKL, NULL, pf_write);
2628 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_C, 0), D_SKL, NULL, pf_write);
2629 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_C, 1), D_SKL, NULL, pf_write);
2630 
2631 	MMIO_DH(SKL_PS_CTRL(PIPE_A, 0), D_SKL, NULL, pf_write);
2632 	MMIO_DH(SKL_PS_CTRL(PIPE_A, 1), D_SKL, NULL, pf_write);
2633 	MMIO_DH(SKL_PS_CTRL(PIPE_B, 0), D_SKL, NULL, pf_write);
2634 	MMIO_DH(SKL_PS_CTRL(PIPE_B, 1), D_SKL, NULL, pf_write);
2635 	MMIO_DH(SKL_PS_CTRL(PIPE_C, 0), D_SKL, NULL, pf_write);
2636 	MMIO_DH(SKL_PS_CTRL(PIPE_C, 1), D_SKL, NULL, pf_write);
2637 
2638 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 0), D_SKL, NULL, NULL);
2639 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 1), D_SKL, NULL, NULL);
2640 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 2), D_SKL, NULL, NULL);
2641 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 3), D_SKL, NULL, NULL);
2642 
2643 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 0), D_SKL, NULL, NULL);
2644 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 1), D_SKL, NULL, NULL);
2645 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 2), D_SKL, NULL, NULL);
2646 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 3), D_SKL, NULL, NULL);
2647 
2648 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 0), D_SKL, NULL, NULL);
2649 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 1), D_SKL, NULL, NULL);
2650 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 2), D_SKL, NULL, NULL);
2651 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 3), D_SKL, NULL, NULL);
2652 
2653 	MMIO_DH(CUR_BUF_CFG(PIPE_A), D_SKL, NULL, NULL);
2654 	MMIO_DH(CUR_BUF_CFG(PIPE_B), D_SKL, NULL, NULL);
2655 	MMIO_DH(CUR_BUF_CFG(PIPE_C), D_SKL, NULL, NULL);
2656 
2657 	MMIO_F(PLANE_WM(PIPE_A, 0, 0), 4 * 8, 0, 0, 0, D_SKL, NULL, NULL);
2658 	MMIO_F(PLANE_WM(PIPE_A, 1, 0), 4 * 8, 0, 0, 0, D_SKL, NULL, NULL);
2659 	MMIO_F(PLANE_WM(PIPE_A, 2, 0), 4 * 8, 0, 0, 0, D_SKL, NULL, NULL);
2660 
2661 	MMIO_F(PLANE_WM(PIPE_B, 0, 0), 4 * 8, 0, 0, 0, D_SKL, NULL, NULL);
2662 	MMIO_F(PLANE_WM(PIPE_B, 1, 0), 4 * 8, 0, 0, 0, D_SKL, NULL, NULL);
2663 	MMIO_F(PLANE_WM(PIPE_B, 2, 0), 4 * 8, 0, 0, 0, D_SKL, NULL, NULL);
2664 
2665 	MMIO_F(PLANE_WM(PIPE_C, 0, 0), 4 * 8, 0, 0, 0, D_SKL, NULL, NULL);
2666 	MMIO_F(PLANE_WM(PIPE_C, 1, 0), 4 * 8, 0, 0, 0, D_SKL, NULL, NULL);
2667 	MMIO_F(PLANE_WM(PIPE_C, 2, 0), 4 * 8, 0, 0, 0, D_SKL, NULL, NULL);
2668 
2669 	MMIO_F(CUR_WM(PIPE_A, 0), 4 * 8, 0, 0, 0, D_SKL, NULL, NULL);
2670 	MMIO_F(CUR_WM(PIPE_B, 0), 4 * 8, 0, 0, 0, D_SKL, NULL, NULL);
2671 	MMIO_F(CUR_WM(PIPE_C, 0), 4 * 8, 0, 0, 0, D_SKL, NULL, NULL);
2672 
2673 	MMIO_DH(PLANE_WM_TRANS(PIPE_A, 0), D_SKL, NULL, NULL);
2674 	MMIO_DH(PLANE_WM_TRANS(PIPE_A, 1), D_SKL, NULL, NULL);
2675 	MMIO_DH(PLANE_WM_TRANS(PIPE_A, 2), D_SKL, NULL, NULL);
2676 
2677 	MMIO_DH(PLANE_WM_TRANS(PIPE_B, 0), D_SKL, NULL, NULL);
2678 	MMIO_DH(PLANE_WM_TRANS(PIPE_B, 1), D_SKL, NULL, NULL);
2679 	MMIO_DH(PLANE_WM_TRANS(PIPE_B, 2), D_SKL, NULL, NULL);
2680 
2681 	MMIO_DH(PLANE_WM_TRANS(PIPE_C, 0), D_SKL, NULL, NULL);
2682 	MMIO_DH(PLANE_WM_TRANS(PIPE_C, 1), D_SKL, NULL, NULL);
2683 	MMIO_DH(PLANE_WM_TRANS(PIPE_C, 2), D_SKL, NULL, NULL);
2684 
2685 	MMIO_DH(CUR_WM_TRANS(PIPE_A), D_SKL, NULL, NULL);
2686 	MMIO_DH(CUR_WM_TRANS(PIPE_B), D_SKL, NULL, NULL);
2687 	MMIO_DH(CUR_WM_TRANS(PIPE_C), D_SKL, NULL, NULL);
2688 
2689 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 0), D_SKL, NULL, NULL);
2690 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 1), D_SKL, NULL, NULL);
2691 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 2), D_SKL, NULL, NULL);
2692 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 3), D_SKL, NULL, NULL);
2693 
2694 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 0), D_SKL, NULL, NULL);
2695 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 1), D_SKL, NULL, NULL);
2696 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 2), D_SKL, NULL, NULL);
2697 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 3), D_SKL, NULL, NULL);
2698 
2699 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 0), D_SKL, NULL, NULL);
2700 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 1), D_SKL, NULL, NULL);
2701 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 2), D_SKL, NULL, NULL);
2702 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 3), D_SKL, NULL, NULL);
2703 
2704 	MMIO_DH(_REG_701C0(PIPE_A, 1), D_SKL, NULL, NULL);
2705 	MMIO_DH(_REG_701C0(PIPE_A, 2), D_SKL, NULL, NULL);
2706 	MMIO_DH(_REG_701C0(PIPE_A, 3), D_SKL, NULL, NULL);
2707 	MMIO_DH(_REG_701C0(PIPE_A, 4), D_SKL, NULL, NULL);
2708 
2709 	MMIO_DH(_REG_701C0(PIPE_B, 1), D_SKL, NULL, NULL);
2710 	MMIO_DH(_REG_701C0(PIPE_B, 2), D_SKL, NULL, NULL);
2711 	MMIO_DH(_REG_701C0(PIPE_B, 3), D_SKL, NULL, NULL);
2712 	MMIO_DH(_REG_701C0(PIPE_B, 4), D_SKL, NULL, NULL);
2713 
2714 	MMIO_DH(_REG_701C0(PIPE_C, 1), D_SKL, NULL, NULL);
2715 	MMIO_DH(_REG_701C0(PIPE_C, 2), D_SKL, NULL, NULL);
2716 	MMIO_DH(_REG_701C0(PIPE_C, 3), D_SKL, NULL, NULL);
2717 	MMIO_DH(_REG_701C0(PIPE_C, 4), D_SKL, NULL, NULL);
2718 
2719 	MMIO_DH(_REG_701C4(PIPE_A, 1), D_SKL, NULL, NULL);
2720 	MMIO_DH(_REG_701C4(PIPE_A, 2), D_SKL, NULL, NULL);
2721 	MMIO_DH(_REG_701C4(PIPE_A, 3), D_SKL, NULL, NULL);
2722 	MMIO_DH(_REG_701C4(PIPE_A, 4), D_SKL, NULL, NULL);
2723 
2724 	MMIO_DH(_REG_701C4(PIPE_B, 1), D_SKL, NULL, NULL);
2725 	MMIO_DH(_REG_701C4(PIPE_B, 2), D_SKL, NULL, NULL);
2726 	MMIO_DH(_REG_701C4(PIPE_B, 3), D_SKL, NULL, NULL);
2727 	MMIO_DH(_REG_701C4(PIPE_B, 4), D_SKL, NULL, NULL);
2728 
2729 	MMIO_DH(_REG_701C4(PIPE_C, 1), D_SKL, NULL, NULL);
2730 	MMIO_DH(_REG_701C4(PIPE_C, 2), D_SKL, NULL, NULL);
2731 	MMIO_DH(_REG_701C4(PIPE_C, 3), D_SKL, NULL, NULL);
2732 	MMIO_DH(_REG_701C4(PIPE_C, 4), D_SKL, NULL, NULL);
2733 
2734 	MMIO_D(0x70380, D_SKL);
2735 	MMIO_D(0x71380, D_SKL);
2736 	MMIO_D(0x72380, D_SKL);
2737 	MMIO_D(0x7039c, D_SKL);
2738 
2739 	MMIO_F(0x80000, 0x3000, 0, 0, 0, D_SKL, NULL, NULL);
2740 	MMIO_D(0x8f074, D_SKL);
2741 	MMIO_D(0x8f004, D_SKL);
2742 	MMIO_D(0x8f034, D_SKL);
2743 
2744 	MMIO_D(0xb11c, D_SKL);
2745 
2746 	MMIO_D(0x51000, D_SKL);
2747 	MMIO_D(0x6c00c, D_SKL);
2748 
2749 	MMIO_F(0xc800, 0x7f8, F_CMD_ACCESS, 0, 0, D_SKL, NULL, NULL);
2750 	MMIO_F(0xb020, 0x80, F_CMD_ACCESS, 0, 0, D_SKL, NULL, NULL);
2751 
2752 	MMIO_D(0xd08, D_SKL);
2753 	MMIO_DFH(0x20e0, D_SKL, F_MODE_MASK, NULL, NULL);
2754 	MMIO_DFH(0x20ec, D_SKL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2755 
2756 	/* TRTT */
2757 	MMIO_DFH(0x4de0, D_SKL, F_CMD_ACCESS, NULL, NULL);
2758 	MMIO_DFH(0x4de4, D_SKL, F_CMD_ACCESS, NULL, NULL);
2759 	MMIO_DFH(0x4de8, D_SKL, F_CMD_ACCESS, NULL, NULL);
2760 	MMIO_DFH(0x4dec, D_SKL, F_CMD_ACCESS, NULL, NULL);
2761 	MMIO_DFH(0x4df0, D_SKL, F_CMD_ACCESS, NULL, NULL);
2762 	MMIO_DFH(0x4df4, D_SKL, F_CMD_ACCESS, NULL, gen9_trtte_write);
2763 	MMIO_DH(0x4dfc, D_SKL, NULL, gen9_trtt_chicken_write);
2764 
2765 	MMIO_D(0x45008, D_SKL);
2766 
2767 	MMIO_D(0x46430, D_SKL);
2768 
2769 	MMIO_D(0x46520, D_SKL);
2770 
2771 	MMIO_D(0xc403c, D_SKL);
2772 	MMIO_D(0xb004, D_SKL);
2773 	MMIO_DH(DMA_CTRL, D_SKL_PLUS, NULL, dma_ctrl_write);
2774 
2775 	MMIO_D(0x65900, D_SKL);
2776 	MMIO_D(0x1082c0, D_SKL);
2777 	MMIO_D(0x4068, D_SKL);
2778 	MMIO_D(0x67054, D_SKL);
2779 	MMIO_D(0x6e560, D_SKL);
2780 	MMIO_D(0x6e554, D_SKL);
2781 	MMIO_D(0x2b20, D_SKL);
2782 	MMIO_D(0x65f00, D_SKL);
2783 	MMIO_D(0x65f08, D_SKL);
2784 	MMIO_D(0x320f0, D_SKL);
2785 
2786 	MMIO_DFH(_REG_VCS2_EXCC, D_SKL, F_CMD_ACCESS, NULL, NULL);
2787 	MMIO_D(0x70034, D_SKL);
2788 	MMIO_D(0x71034, D_SKL);
2789 	MMIO_D(0x72034, D_SKL);
2790 
2791 	MMIO_D(_PLANE_KEYVAL_1(PIPE_A), D_SKL);
2792 	MMIO_D(_PLANE_KEYVAL_1(PIPE_B), D_SKL);
2793 	MMIO_D(_PLANE_KEYVAL_1(PIPE_C), D_SKL);
2794 	MMIO_D(_PLANE_KEYMSK_1(PIPE_A), D_SKL);
2795 	MMIO_D(_PLANE_KEYMSK_1(PIPE_B), D_SKL);
2796 	MMIO_D(_PLANE_KEYMSK_1(PIPE_C), D_SKL);
2797 
2798 	MMIO_D(0x44500, D_SKL);
2799 	MMIO_DFH(GEN9_CSFE_CHICKEN1_RCS, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
2800 	MMIO_DFH(GEN8_HDC_CHICKEN1, D_SKL, F_MODE_MASK | F_CMD_ACCESS,
2801 		NULL, NULL);
2802 	return 0;
2803 }
2804 
2805 /**
2806  * intel_gvt_find_mmio_info - find MMIO information entry by aligned offset
2807  * @gvt: GVT device
2808  * @offset: register offset
2809  *
2810  * This function is used to find the MMIO information entry from hash table
2811  *
2812  * Returns:
2813  * pointer to MMIO information entry, NULL if not exists
2814  */
2815 struct intel_gvt_mmio_info *intel_gvt_find_mmio_info(struct intel_gvt *gvt,
2816 	unsigned int offset)
2817 {
2818 	struct intel_gvt_mmio_info *e;
2819 
2820 	WARN_ON(!IS_ALIGNED(offset, 4));
2821 
2822 	hash_for_each_possible(gvt->mmio.mmio_info_table, e, node, offset) {
2823 		if (e->offset == offset)
2824 			return e;
2825 	}
2826 	return NULL;
2827 }
2828 
2829 /**
2830  * intel_gvt_clean_mmio_info - clean up MMIO information table for GVT device
2831  * @gvt: GVT device
2832  *
2833  * This function is called at the driver unloading stage, to clean up the MMIO
2834  * information table of GVT device
2835  *
2836  */
2837 void intel_gvt_clean_mmio_info(struct intel_gvt *gvt)
2838 {
2839 	struct hlist_node *tmp;
2840 	struct intel_gvt_mmio_info *e;
2841 	int i;
2842 
2843 	hash_for_each_safe(gvt->mmio.mmio_info_table, i, tmp, e, node)
2844 		kfree(e);
2845 
2846 	vfree(gvt->mmio.mmio_attribute);
2847 	gvt->mmio.mmio_attribute = NULL;
2848 }
2849 
2850 /**
2851  * intel_gvt_setup_mmio_info - setup MMIO information table for GVT device
2852  * @gvt: GVT device
2853  *
2854  * This function is called at the initialization stage, to setup the MMIO
2855  * information table for GVT device
2856  *
2857  * Returns:
2858  * zero on success, negative if failed.
2859  */
2860 int intel_gvt_setup_mmio_info(struct intel_gvt *gvt)
2861 {
2862 	struct intel_gvt_device_info *info = &gvt->device_info;
2863 	struct drm_i915_private *dev_priv = gvt->dev_priv;
2864 	int ret;
2865 
2866 	gvt->mmio.mmio_attribute = vzalloc(info->mmio_size);
2867 	if (!gvt->mmio.mmio_attribute)
2868 		return -ENOMEM;
2869 
2870 	ret = init_generic_mmio_info(gvt);
2871 	if (ret)
2872 		goto err;
2873 
2874 	if (IS_BROADWELL(dev_priv)) {
2875 		ret = init_broadwell_mmio_info(gvt);
2876 		if (ret)
2877 			goto err;
2878 	} else if (IS_SKYLAKE(dev_priv)) {
2879 		ret = init_broadwell_mmio_info(gvt);
2880 		if (ret)
2881 			goto err;
2882 		ret = init_skl_mmio_info(gvt);
2883 		if (ret)
2884 			goto err;
2885 	}
2886 	return 0;
2887 err:
2888 	intel_gvt_clean_mmio_info(gvt);
2889 	return ret;
2890 }
2891 
2892 /**
2893  * intel_gvt_mmio_set_accessed - mark a MMIO has been accessed
2894  * @gvt: a GVT device
2895  * @offset: register offset
2896  *
2897  */
2898 void intel_gvt_mmio_set_accessed(struct intel_gvt *gvt, unsigned int offset)
2899 {
2900 	gvt->mmio.mmio_attribute[offset >> 2] |=
2901 		F_ACCESSED;
2902 }
2903 
2904 /**
2905  * intel_gvt_mmio_is_cmd_accessed - mark a MMIO could be accessed by command
2906  * @gvt: a GVT device
2907  * @offset: register offset
2908  *
2909  */
2910 bool intel_gvt_mmio_is_cmd_access(struct intel_gvt *gvt,
2911 		unsigned int offset)
2912 {
2913 	return gvt->mmio.mmio_attribute[offset >> 2] &
2914 		F_CMD_ACCESS;
2915 }
2916 
2917 /**
2918  * intel_gvt_mmio_is_unalign - mark a MMIO could be accessed unaligned
2919  * @gvt: a GVT device
2920  * @offset: register offset
2921  *
2922  */
2923 bool intel_gvt_mmio_is_unalign(struct intel_gvt *gvt,
2924 		unsigned int offset)
2925 {
2926 	return gvt->mmio.mmio_attribute[offset >> 2] &
2927 		F_UNALIGN;
2928 }
2929 
2930 /**
2931  * intel_gvt_mmio_set_cmd_accessed - mark a MMIO has been accessed by command
2932  * @gvt: a GVT device
2933  * @offset: register offset
2934  *
2935  */
2936 void intel_gvt_mmio_set_cmd_accessed(struct intel_gvt *gvt,
2937 		unsigned int offset)
2938 {
2939 	gvt->mmio.mmio_attribute[offset >> 2] |=
2940 		F_CMD_ACCESSED;
2941 }
2942 
2943 /**
2944  * intel_gvt_mmio_has_mode_mask - if a MMIO has a mode mask
2945  * @gvt: a GVT device
2946  * @offset: register offset
2947  *
2948  * Returns:
2949  * True if a MMIO has a mode mask in its higher 16 bits, false if it isn't.
2950  *
2951  */
2952 bool intel_gvt_mmio_has_mode_mask(struct intel_gvt *gvt, unsigned int offset)
2953 {
2954 	return gvt->mmio.mmio_attribute[offset >> 2] &
2955 		F_MODE_MASK;
2956 }
2957 
2958 /**
2959  * intel_vgpu_default_mmio_read - default MMIO read handler
2960  * @vgpu: a vGPU
2961  * @offset: access offset
2962  * @p_data: data return buffer
2963  * @bytes: access data length
2964  *
2965  * Returns:
2966  * Zero on success, negative error code if failed.
2967  */
2968 int intel_vgpu_default_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
2969 		void *p_data, unsigned int bytes)
2970 {
2971 	read_vreg(vgpu, offset, p_data, bytes);
2972 	return 0;
2973 }
2974 
2975 /**
2976  * intel_t_default_mmio_write - default MMIO write handler
2977  * @vgpu: a vGPU
2978  * @offset: access offset
2979  * @p_data: write data buffer
2980  * @bytes: access data length
2981  *
2982  * Returns:
2983  * Zero on success, negative error code if failed.
2984  */
2985 int intel_vgpu_default_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
2986 		void *p_data, unsigned int bytes)
2987 {
2988 	write_vreg(vgpu, offset, p_data, bytes);
2989 	return 0;
2990 }
2991