root/drivers/gpu/drm/i915/gvt/handlers.c

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DEFINITIONS

This source file includes following definitions.
  1. intel_gvt_get_device_type
  2. intel_gvt_match_device
  3. read_vreg
  4. write_vreg
  5. find_mmio_info
  6. new_mmio_info
  7. intel_gvt_render_mmio_to_ring_id
  8. enter_failsafe_mode
  9. sanitize_fence_mmio_access
  10. gamw_echo_dev_rw_ia_write
  11. fence_mmio_read
  12. fence_mmio_write
  13. mul_force_wake_write
  14. gdrst_mmio_write
  15. gmbus_mmio_read
  16. gmbus_mmio_write
  17. pch_pp_control_mmio_write
  18. transconf_mmio_write
  19. lcpll_ctl_mmio_write
  20. dpy_reg_mmio_read
  21. pipeconf_mmio_write
  22. in_whitelist
  23. force_nonpriv_write
  24. ddi_buf_ctl_mmio_write
  25. fdi_rx_iir_mmio_write
  26. fdi_auto_training_started
  27. check_fdi_rx_train_status
  28. calc_index
  29. update_fdi_rx_iir_status
  30. dp_tp_ctl_mmio_write
  31. dp_tp_status_mmio_write
  32. pch_adpa_mmio_write
  33. south_chicken2_mmio_write
  34. pri_surf_mmio_write
  35. spr_surf_mmio_write
  36. reg50080_mmio_write
  37. trigger_aux_channel_interrupt
  38. dp_aux_ch_ctl_trans_done
  39. dp_aux_ch_ctl_link_training
  40. dp_aux_ch_ctl_mmio_write
  41. mbctl_write
  42. vga_control_mmio_write
  43. read_virtual_sbi_register
  44. write_virtual_sbi_register
  45. sbi_data_mmio_read
  46. sbi_ctl_mmio_write
  47. pvinfo_mmio_read
  48. handle_g2v_notification
  49. send_display_ready_uevent
  50. pvinfo_mmio_write
  51. pf_write
  52. power_well_ctl_mmio_write
  53. gen9_dbuf_ctl_mmio_write
  54. fpga_dbg_mmio_write
  55. dma_ctrl_write
  56. gen9_trtte_write
  57. gen9_trtt_chicken_write
  58. dpll_status_read
  59. mailbox_write
  60. hws_pga_write
  61. skl_power_well_ctl_write
  62. skl_lcpll_write
  63. bxt_de_pll_enable_write
  64. bxt_port_pll_enable_write
  65. bxt_phy_ctl_family_write
  66. bxt_port_tx_dw3_read
  67. bxt_pcs_dw12_grp_write
  68. bxt_gt_disp_pwron_write
  69. edp_psr_imr_iir_write
  70. mmio_read_from_hw
  71. elsp_mmio_write
  72. ring_mode_mmio_write
  73. gvt_reg_tlb_control_handler
  74. ring_reset_ctl_write
  75. csfe_chicken1_mmio_write
  76. init_generic_mmio_info
  77. init_broadwell_mmio_info
  78. init_skl_mmio_info
  79. init_bxt_mmio_info
  80. find_mmio_block
  81. intel_gvt_clean_mmio_info
  82. intel_gvt_setup_mmio_info
  83. intel_gvt_for_each_tracked_mmio
  84. intel_vgpu_default_mmio_read
  85. intel_vgpu_default_mmio_write
  86. intel_vgpu_mask_mmio_write
  87. intel_gvt_in_force_nonpriv_whitelist
  88. intel_vgpu_mmio_reg_rw

   1 /*
   2  * Copyright(c) 2011-2016 Intel Corporation. All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors:
  24  *    Kevin Tian <kevin.tian@intel.com>
  25  *    Eddie Dong <eddie.dong@intel.com>
  26  *    Zhiyuan Lv <zhiyuan.lv@intel.com>
  27  *
  28  * Contributors:
  29  *    Min He <min.he@intel.com>
  30  *    Tina Zhang <tina.zhang@intel.com>
  31  *    Pei Zhang <pei.zhang@intel.com>
  32  *    Niu Bing <bing.niu@intel.com>
  33  *    Ping Gao <ping.a.gao@intel.com>
  34  *    Zhi Wang <zhi.a.wang@intel.com>
  35  *
  36 
  37  */
  38 
  39 #include "i915_drv.h"
  40 #include "gvt.h"
  41 #include "i915_pvinfo.h"
  42 
  43 /* XXX FIXME i915 has changed PP_XXX definition */
  44 #define PCH_PP_STATUS  _MMIO(0xc7200)
  45 #define PCH_PP_CONTROL _MMIO(0xc7204)
  46 #define PCH_PP_ON_DELAYS _MMIO(0xc7208)
  47 #define PCH_PP_OFF_DELAYS _MMIO(0xc720c)
  48 #define PCH_PP_DIVISOR _MMIO(0xc7210)
  49 
  50 unsigned long intel_gvt_get_device_type(struct intel_gvt *gvt)
  51 {
  52         if (IS_BROADWELL(gvt->dev_priv))
  53                 return D_BDW;
  54         else if (IS_SKYLAKE(gvt->dev_priv))
  55                 return D_SKL;
  56         else if (IS_KABYLAKE(gvt->dev_priv))
  57                 return D_KBL;
  58         else if (IS_BROXTON(gvt->dev_priv))
  59                 return D_BXT;
  60         else if (IS_COFFEELAKE(gvt->dev_priv))
  61                 return D_CFL;
  62 
  63         return 0;
  64 }
  65 
  66 bool intel_gvt_match_device(struct intel_gvt *gvt,
  67                 unsigned long device)
  68 {
  69         return intel_gvt_get_device_type(gvt) & device;
  70 }
  71 
  72 static void read_vreg(struct intel_vgpu *vgpu, unsigned int offset,
  73         void *p_data, unsigned int bytes)
  74 {
  75         memcpy(p_data, &vgpu_vreg(vgpu, offset), bytes);
  76 }
  77 
  78 static void write_vreg(struct intel_vgpu *vgpu, unsigned int offset,
  79         void *p_data, unsigned int bytes)
  80 {
  81         memcpy(&vgpu_vreg(vgpu, offset), p_data, bytes);
  82 }
  83 
  84 static struct intel_gvt_mmio_info *find_mmio_info(struct intel_gvt *gvt,
  85                                                   unsigned int offset)
  86 {
  87         struct intel_gvt_mmio_info *e;
  88 
  89         hash_for_each_possible(gvt->mmio.mmio_info_table, e, node, offset) {
  90                 if (e->offset == offset)
  91                         return e;
  92         }
  93         return NULL;
  94 }
  95 
  96 static int new_mmio_info(struct intel_gvt *gvt,
  97                 u32 offset, u8 flags, u32 size,
  98                 u32 addr_mask, u32 ro_mask, u32 device,
  99                 gvt_mmio_func read, gvt_mmio_func write)
 100 {
 101         struct intel_gvt_mmio_info *info, *p;
 102         u32 start, end, i;
 103 
 104         if (!intel_gvt_match_device(gvt, device))
 105                 return 0;
 106 
 107         if (WARN_ON(!IS_ALIGNED(offset, 4)))
 108                 return -EINVAL;
 109 
 110         start = offset;
 111         end = offset + size;
 112 
 113         for (i = start; i < end; i += 4) {
 114                 info = kzalloc(sizeof(*info), GFP_KERNEL);
 115                 if (!info)
 116                         return -ENOMEM;
 117 
 118                 info->offset = i;
 119                 p = find_mmio_info(gvt, info->offset);
 120                 if (p) {
 121                         WARN(1, "dup mmio definition offset %x\n",
 122                                 info->offset);
 123                         kfree(info);
 124 
 125                         /* We return -EEXIST here to make GVT-g load fail.
 126                          * So duplicated MMIO can be found as soon as
 127                          * possible.
 128                          */
 129                         return -EEXIST;
 130                 }
 131 
 132                 info->ro_mask = ro_mask;
 133                 info->device = device;
 134                 info->read = read ? read : intel_vgpu_default_mmio_read;
 135                 info->write = write ? write : intel_vgpu_default_mmio_write;
 136                 gvt->mmio.mmio_attribute[info->offset / 4] = flags;
 137                 INIT_HLIST_NODE(&info->node);
 138                 hash_add(gvt->mmio.mmio_info_table, &info->node, info->offset);
 139                 gvt->mmio.num_tracked_mmio++;
 140         }
 141         return 0;
 142 }
 143 
 144 /**
 145  * intel_gvt_render_mmio_to_ring_id - convert a mmio offset into ring id
 146  * @gvt: a GVT device
 147  * @offset: register offset
 148  *
 149  * Returns:
 150  * Ring ID on success, negative error code if failed.
 151  */
 152 int intel_gvt_render_mmio_to_ring_id(struct intel_gvt *gvt,
 153                 unsigned int offset)
 154 {
 155         enum intel_engine_id id;
 156         struct intel_engine_cs *engine;
 157 
 158         offset &= ~GENMASK(11, 0);
 159         for_each_engine(engine, gvt->dev_priv, id) {
 160                 if (engine->mmio_base == offset)
 161                         return id;
 162         }
 163         return -ENODEV;
 164 }
 165 
 166 #define offset_to_fence_num(offset) \
 167         ((offset - i915_mmio_reg_offset(FENCE_REG_GEN6_LO(0))) >> 3)
 168 
 169 #define fence_num_to_offset(num) \
 170         (num * 8 + i915_mmio_reg_offset(FENCE_REG_GEN6_LO(0)))
 171 
 172 
 173 void enter_failsafe_mode(struct intel_vgpu *vgpu, int reason)
 174 {
 175         switch (reason) {
 176         case GVT_FAILSAFE_UNSUPPORTED_GUEST:
 177                 pr_err("Detected your guest driver doesn't support GVT-g.\n");
 178                 break;
 179         case GVT_FAILSAFE_INSUFFICIENT_RESOURCE:
 180                 pr_err("Graphics resource is not enough for the guest\n");
 181                 break;
 182         case GVT_FAILSAFE_GUEST_ERR:
 183                 pr_err("GVT Internal error  for the guest\n");
 184                 break;
 185         default:
 186                 break;
 187         }
 188         pr_err("Now vgpu %d will enter failsafe mode.\n", vgpu->id);
 189         vgpu->failsafe = true;
 190 }
 191 
 192 static int sanitize_fence_mmio_access(struct intel_vgpu *vgpu,
 193                 unsigned int fence_num, void *p_data, unsigned int bytes)
 194 {
 195         unsigned int max_fence = vgpu_fence_sz(vgpu);
 196 
 197         if (fence_num >= max_fence) {
 198                 gvt_vgpu_err("access oob fence reg %d/%d\n",
 199                              fence_num, max_fence);
 200 
 201                 /* When guest access oob fence regs without access
 202                  * pv_info first, we treat guest not supporting GVT,
 203                  * and we will let vgpu enter failsafe mode.
 204                  */
 205                 if (!vgpu->pv_notified)
 206                         enter_failsafe_mode(vgpu,
 207                                         GVT_FAILSAFE_UNSUPPORTED_GUEST);
 208 
 209                 memset(p_data, 0, bytes);
 210                 return -EINVAL;
 211         }
 212         return 0;
 213 }
 214 
 215 static int gamw_echo_dev_rw_ia_write(struct intel_vgpu *vgpu,
 216                 unsigned int offset, void *p_data, unsigned int bytes)
 217 {
 218         u32 ips = (*(u32 *)p_data) & GAMW_ECO_ENABLE_64K_IPS_FIELD;
 219 
 220         if (INTEL_GEN(vgpu->gvt->dev_priv) <= 10) {
 221                 if (ips == GAMW_ECO_ENABLE_64K_IPS_FIELD)
 222                         gvt_dbg_core("vgpu%d: ips enabled\n", vgpu->id);
 223                 else if (!ips)
 224                         gvt_dbg_core("vgpu%d: ips disabled\n", vgpu->id);
 225                 else {
 226                         /* All engines must be enabled together for vGPU,
 227                          * since we don't know which engine the ppgtt will
 228                          * bind to when shadowing.
 229                          */
 230                         gvt_vgpu_err("Unsupported IPS setting %x, cannot enable 64K gtt.\n",
 231                                      ips);
 232                         return -EINVAL;
 233                 }
 234         }
 235 
 236         write_vreg(vgpu, offset, p_data, bytes);
 237         return 0;
 238 }
 239 
 240 static int fence_mmio_read(struct intel_vgpu *vgpu, unsigned int off,
 241                 void *p_data, unsigned int bytes)
 242 {
 243         int ret;
 244 
 245         ret = sanitize_fence_mmio_access(vgpu, offset_to_fence_num(off),
 246                         p_data, bytes);
 247         if (ret)
 248                 return ret;
 249         read_vreg(vgpu, off, p_data, bytes);
 250         return 0;
 251 }
 252 
 253 static int fence_mmio_write(struct intel_vgpu *vgpu, unsigned int off,
 254                 void *p_data, unsigned int bytes)
 255 {
 256         struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
 257         unsigned int fence_num = offset_to_fence_num(off);
 258         int ret;
 259 
 260         ret = sanitize_fence_mmio_access(vgpu, fence_num, p_data, bytes);
 261         if (ret)
 262                 return ret;
 263         write_vreg(vgpu, off, p_data, bytes);
 264 
 265         mmio_hw_access_pre(dev_priv);
 266         intel_vgpu_write_fence(vgpu, fence_num,
 267                         vgpu_vreg64(vgpu, fence_num_to_offset(fence_num)));
 268         mmio_hw_access_post(dev_priv);
 269         return 0;
 270 }
 271 
 272 #define CALC_MODE_MASK_REG(old, new) \
 273         (((new) & GENMASK(31, 16)) \
 274          | ((((old) & GENMASK(15, 0)) & ~((new) >> 16)) \
 275          | ((new) & ((new) >> 16))))
 276 
 277 static int mul_force_wake_write(struct intel_vgpu *vgpu,
 278                 unsigned int offset, void *p_data, unsigned int bytes)
 279 {
 280         u32 old, new;
 281         u32 ack_reg_offset;
 282 
 283         old = vgpu_vreg(vgpu, offset);
 284         new = CALC_MODE_MASK_REG(old, *(u32 *)p_data);
 285 
 286         if (INTEL_GEN(vgpu->gvt->dev_priv)  >=  9) {
 287                 switch (offset) {
 288                 case FORCEWAKE_RENDER_GEN9_REG:
 289                         ack_reg_offset = FORCEWAKE_ACK_RENDER_GEN9_REG;
 290                         break;
 291                 case FORCEWAKE_BLITTER_GEN9_REG:
 292                         ack_reg_offset = FORCEWAKE_ACK_BLITTER_GEN9_REG;
 293                         break;
 294                 case FORCEWAKE_MEDIA_GEN9_REG:
 295                         ack_reg_offset = FORCEWAKE_ACK_MEDIA_GEN9_REG;
 296                         break;
 297                 default:
 298                         /*should not hit here*/
 299                         gvt_vgpu_err("invalid forcewake offset 0x%x\n", offset);
 300                         return -EINVAL;
 301                 }
 302         } else {
 303                 ack_reg_offset = FORCEWAKE_ACK_HSW_REG;
 304         }
 305 
 306         vgpu_vreg(vgpu, offset) = new;
 307         vgpu_vreg(vgpu, ack_reg_offset) = (new & GENMASK(15, 0));
 308         return 0;
 309 }
 310 
 311 static int gdrst_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
 312                             void *p_data, unsigned int bytes)
 313 {
 314         intel_engine_mask_t engine_mask = 0;
 315         u32 data;
 316 
 317         write_vreg(vgpu, offset, p_data, bytes);
 318         data = vgpu_vreg(vgpu, offset);
 319 
 320         if (data & GEN6_GRDOM_FULL) {
 321                 gvt_dbg_mmio("vgpu%d: request full GPU reset\n", vgpu->id);
 322                 engine_mask = ALL_ENGINES;
 323         } else {
 324                 if (data & GEN6_GRDOM_RENDER) {
 325                         gvt_dbg_mmio("vgpu%d: request RCS reset\n", vgpu->id);
 326                         engine_mask |= BIT(RCS0);
 327                 }
 328                 if (data & GEN6_GRDOM_MEDIA) {
 329                         gvt_dbg_mmio("vgpu%d: request VCS reset\n", vgpu->id);
 330                         engine_mask |= BIT(VCS0);
 331                 }
 332                 if (data & GEN6_GRDOM_BLT) {
 333                         gvt_dbg_mmio("vgpu%d: request BCS Reset\n", vgpu->id);
 334                         engine_mask |= BIT(BCS0);
 335                 }
 336                 if (data & GEN6_GRDOM_VECS) {
 337                         gvt_dbg_mmio("vgpu%d: request VECS Reset\n", vgpu->id);
 338                         engine_mask |= BIT(VECS0);
 339                 }
 340                 if (data & GEN8_GRDOM_MEDIA2) {
 341                         gvt_dbg_mmio("vgpu%d: request VCS2 Reset\n", vgpu->id);
 342                         engine_mask |= BIT(VCS1);
 343                 }
 344                 engine_mask &= INTEL_INFO(vgpu->gvt->dev_priv)->engine_mask;
 345         }
 346 
 347         /* vgpu_lock already hold by emulate mmio r/w */
 348         intel_gvt_reset_vgpu_locked(vgpu, false, engine_mask);
 349 
 350         /* sw will wait for the device to ack the reset request */
 351         vgpu_vreg(vgpu, offset) = 0;
 352 
 353         return 0;
 354 }
 355 
 356 static int gmbus_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
 357                 void *p_data, unsigned int bytes)
 358 {
 359         return intel_gvt_i2c_handle_gmbus_read(vgpu, offset, p_data, bytes);
 360 }
 361 
 362 static int gmbus_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
 363                 void *p_data, unsigned int bytes)
 364 {
 365         return intel_gvt_i2c_handle_gmbus_write(vgpu, offset, p_data, bytes);
 366 }
 367 
 368 static int pch_pp_control_mmio_write(struct intel_vgpu *vgpu,
 369                 unsigned int offset, void *p_data, unsigned int bytes)
 370 {
 371         write_vreg(vgpu, offset, p_data, bytes);
 372 
 373         if (vgpu_vreg(vgpu, offset) & PANEL_POWER_ON) {
 374                 vgpu_vreg_t(vgpu, PCH_PP_STATUS) |= PP_ON;
 375                 vgpu_vreg_t(vgpu, PCH_PP_STATUS) |= PP_SEQUENCE_STATE_ON_IDLE;
 376                 vgpu_vreg_t(vgpu, PCH_PP_STATUS) &= ~PP_SEQUENCE_POWER_DOWN;
 377                 vgpu_vreg_t(vgpu, PCH_PP_STATUS) &= ~PP_CYCLE_DELAY_ACTIVE;
 378 
 379         } else
 380                 vgpu_vreg_t(vgpu, PCH_PP_STATUS) &=
 381                         ~(PP_ON | PP_SEQUENCE_POWER_DOWN
 382                                         | PP_CYCLE_DELAY_ACTIVE);
 383         return 0;
 384 }
 385 
 386 static int transconf_mmio_write(struct intel_vgpu *vgpu,
 387                 unsigned int offset, void *p_data, unsigned int bytes)
 388 {
 389         write_vreg(vgpu, offset, p_data, bytes);
 390 
 391         if (vgpu_vreg(vgpu, offset) & TRANS_ENABLE)
 392                 vgpu_vreg(vgpu, offset) |= TRANS_STATE_ENABLE;
 393         else
 394                 vgpu_vreg(vgpu, offset) &= ~TRANS_STATE_ENABLE;
 395         return 0;
 396 }
 397 
 398 static int lcpll_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
 399                 void *p_data, unsigned int bytes)
 400 {
 401         write_vreg(vgpu, offset, p_data, bytes);
 402 
 403         if (vgpu_vreg(vgpu, offset) & LCPLL_PLL_DISABLE)
 404                 vgpu_vreg(vgpu, offset) &= ~LCPLL_PLL_LOCK;
 405         else
 406                 vgpu_vreg(vgpu, offset) |= LCPLL_PLL_LOCK;
 407 
 408         if (vgpu_vreg(vgpu, offset) & LCPLL_CD_SOURCE_FCLK)
 409                 vgpu_vreg(vgpu, offset) |= LCPLL_CD_SOURCE_FCLK_DONE;
 410         else
 411                 vgpu_vreg(vgpu, offset) &= ~LCPLL_CD_SOURCE_FCLK_DONE;
 412 
 413         return 0;
 414 }
 415 
 416 static int dpy_reg_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
 417                 void *p_data, unsigned int bytes)
 418 {
 419         switch (offset) {
 420         case 0xe651c:
 421         case 0xe661c:
 422         case 0xe671c:
 423         case 0xe681c:
 424                 vgpu_vreg(vgpu, offset) = 1 << 17;
 425                 break;
 426         case 0xe6c04:
 427                 vgpu_vreg(vgpu, offset) = 0x3;
 428                 break;
 429         case 0xe6e1c:
 430                 vgpu_vreg(vgpu, offset) = 0x2f << 16;
 431                 break;
 432         default:
 433                 return -EINVAL;
 434         }
 435 
 436         read_vreg(vgpu, offset, p_data, bytes);
 437         return 0;
 438 }
 439 
 440 static int pipeconf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
 441                 void *p_data, unsigned int bytes)
 442 {
 443         u32 data;
 444 
 445         write_vreg(vgpu, offset, p_data, bytes);
 446         data = vgpu_vreg(vgpu, offset);
 447 
 448         if (data & PIPECONF_ENABLE)
 449                 vgpu_vreg(vgpu, offset) |= I965_PIPECONF_ACTIVE;
 450         else
 451                 vgpu_vreg(vgpu, offset) &= ~I965_PIPECONF_ACTIVE;
 452         /* vgpu_lock already hold by emulate mmio r/w */
 453         mutex_unlock(&vgpu->vgpu_lock);
 454         intel_gvt_check_vblank_emulation(vgpu->gvt);
 455         mutex_lock(&vgpu->vgpu_lock);
 456         return 0;
 457 }
 458 
 459 /* ascendingly sorted */
 460 static i915_reg_t force_nonpriv_white_list[] = {
 461         GEN9_CS_DEBUG_MODE1, //_MMIO(0x20ec)
 462         GEN9_CTX_PREEMPT_REG,//_MMIO(0x2248)
 463         GEN8_CS_CHICKEN1,//_MMIO(0x2580)
 464         _MMIO(0x2690),
 465         _MMIO(0x2694),
 466         _MMIO(0x2698),
 467         _MMIO(0x2754),
 468         _MMIO(0x28a0),
 469         _MMIO(0x4de0),
 470         _MMIO(0x4de4),
 471         _MMIO(0x4dfc),
 472         GEN7_COMMON_SLICE_CHICKEN1,//_MMIO(0x7010)
 473         _MMIO(0x7014),
 474         HDC_CHICKEN0,//_MMIO(0x7300)
 475         GEN8_HDC_CHICKEN1,//_MMIO(0x7304)
 476         _MMIO(0x7700),
 477         _MMIO(0x7704),
 478         _MMIO(0x7708),
 479         _MMIO(0x770c),
 480         _MMIO(0x83a8),
 481         _MMIO(0xb110),
 482         GEN8_L3SQCREG4,//_MMIO(0xb118)
 483         _MMIO(0xe100),
 484         _MMIO(0xe18c),
 485         _MMIO(0xe48c),
 486         _MMIO(0xe5f4),
 487 };
 488 
 489 /* a simple bsearch */
 490 static inline bool in_whitelist(unsigned int reg)
 491 {
 492         int left = 0, right = ARRAY_SIZE(force_nonpriv_white_list);
 493         i915_reg_t *array = force_nonpriv_white_list;
 494 
 495         while (left < right) {
 496                 int mid = (left + right)/2;
 497 
 498                 if (reg > array[mid].reg)
 499                         left = mid + 1;
 500                 else if (reg < array[mid].reg)
 501                         right = mid;
 502                 else
 503                         return true;
 504         }
 505         return false;
 506 }
 507 
 508 static int force_nonpriv_write(struct intel_vgpu *vgpu,
 509         unsigned int offset, void *p_data, unsigned int bytes)
 510 {
 511         u32 reg_nonpriv = *(u32 *)p_data;
 512         int ring_id = intel_gvt_render_mmio_to_ring_id(vgpu->gvt, offset);
 513         u32 ring_base;
 514         struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
 515         int ret = -EINVAL;
 516 
 517         if ((bytes != 4) || ((offset & (bytes - 1)) != 0) || ring_id < 0) {
 518                 gvt_err("vgpu(%d) ring %d Invalid FORCE_NONPRIV offset %x(%dB)\n",
 519                         vgpu->id, ring_id, offset, bytes);
 520                 return ret;
 521         }
 522 
 523         ring_base = dev_priv->engine[ring_id]->mmio_base;
 524 
 525         if (in_whitelist(reg_nonpriv) ||
 526                 reg_nonpriv == i915_mmio_reg_offset(RING_NOPID(ring_base))) {
 527                 ret = intel_vgpu_default_mmio_write(vgpu, offset, p_data,
 528                         bytes);
 529         } else
 530                 gvt_err("vgpu(%d) Invalid FORCE_NONPRIV write %x at offset %x\n",
 531                         vgpu->id, reg_nonpriv, offset);
 532 
 533         return 0;
 534 }
 535 
 536 static int ddi_buf_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
 537                 void *p_data, unsigned int bytes)
 538 {
 539         write_vreg(vgpu, offset, p_data, bytes);
 540 
 541         if (vgpu_vreg(vgpu, offset) & DDI_BUF_CTL_ENABLE) {
 542                 vgpu_vreg(vgpu, offset) &= ~DDI_BUF_IS_IDLE;
 543         } else {
 544                 vgpu_vreg(vgpu, offset) |= DDI_BUF_IS_IDLE;
 545                 if (offset == i915_mmio_reg_offset(DDI_BUF_CTL(PORT_E)))
 546                         vgpu_vreg_t(vgpu, DP_TP_STATUS(PORT_E))
 547                                 &= ~DP_TP_STATUS_AUTOTRAIN_DONE;
 548         }
 549         return 0;
 550 }
 551 
 552 static int fdi_rx_iir_mmio_write(struct intel_vgpu *vgpu,
 553                 unsigned int offset, void *p_data, unsigned int bytes)
 554 {
 555         vgpu_vreg(vgpu, offset) &= ~*(u32 *)p_data;
 556         return 0;
 557 }
 558 
 559 #define FDI_LINK_TRAIN_PATTERN1         0
 560 #define FDI_LINK_TRAIN_PATTERN2         1
 561 
 562 static int fdi_auto_training_started(struct intel_vgpu *vgpu)
 563 {
 564         u32 ddi_buf_ctl = vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_E));
 565         u32 rx_ctl = vgpu_vreg(vgpu, _FDI_RXA_CTL);
 566         u32 tx_ctl = vgpu_vreg_t(vgpu, DP_TP_CTL(PORT_E));
 567 
 568         if ((ddi_buf_ctl & DDI_BUF_CTL_ENABLE) &&
 569                         (rx_ctl & FDI_RX_ENABLE) &&
 570                         (rx_ctl & FDI_AUTO_TRAINING) &&
 571                         (tx_ctl & DP_TP_CTL_ENABLE) &&
 572                         (tx_ctl & DP_TP_CTL_FDI_AUTOTRAIN))
 573                 return 1;
 574         else
 575                 return 0;
 576 }
 577 
 578 static int check_fdi_rx_train_status(struct intel_vgpu *vgpu,
 579                 enum pipe pipe, unsigned int train_pattern)
 580 {
 581         i915_reg_t fdi_rx_imr, fdi_tx_ctl, fdi_rx_ctl;
 582         unsigned int fdi_rx_check_bits, fdi_tx_check_bits;
 583         unsigned int fdi_rx_train_bits, fdi_tx_train_bits;
 584         unsigned int fdi_iir_check_bits;
 585 
 586         fdi_rx_imr = FDI_RX_IMR(pipe);
 587         fdi_tx_ctl = FDI_TX_CTL(pipe);
 588         fdi_rx_ctl = FDI_RX_CTL(pipe);
 589 
 590         if (train_pattern == FDI_LINK_TRAIN_PATTERN1) {
 591                 fdi_rx_train_bits = FDI_LINK_TRAIN_PATTERN_1_CPT;
 592                 fdi_tx_train_bits = FDI_LINK_TRAIN_PATTERN_1;
 593                 fdi_iir_check_bits = FDI_RX_BIT_LOCK;
 594         } else if (train_pattern == FDI_LINK_TRAIN_PATTERN2) {
 595                 fdi_rx_train_bits = FDI_LINK_TRAIN_PATTERN_2_CPT;
 596                 fdi_tx_train_bits = FDI_LINK_TRAIN_PATTERN_2;
 597                 fdi_iir_check_bits = FDI_RX_SYMBOL_LOCK;
 598         } else {
 599                 gvt_vgpu_err("Invalid train pattern %d\n", train_pattern);
 600                 return -EINVAL;
 601         }
 602 
 603         fdi_rx_check_bits = FDI_RX_ENABLE | fdi_rx_train_bits;
 604         fdi_tx_check_bits = FDI_TX_ENABLE | fdi_tx_train_bits;
 605 
 606         /* If imr bit has been masked */
 607         if (vgpu_vreg_t(vgpu, fdi_rx_imr) & fdi_iir_check_bits)
 608                 return 0;
 609 
 610         if (((vgpu_vreg_t(vgpu, fdi_tx_ctl) & fdi_tx_check_bits)
 611                         == fdi_tx_check_bits)
 612                 && ((vgpu_vreg_t(vgpu, fdi_rx_ctl) & fdi_rx_check_bits)
 613                         == fdi_rx_check_bits))
 614                 return 1;
 615         else
 616                 return 0;
 617 }
 618 
 619 #define INVALID_INDEX (~0U)
 620 
 621 static unsigned int calc_index(unsigned int offset, unsigned int start,
 622         unsigned int next, unsigned int end, i915_reg_t i915_end)
 623 {
 624         unsigned int range = next - start;
 625 
 626         if (!end)
 627                 end = i915_mmio_reg_offset(i915_end);
 628         if (offset < start || offset > end)
 629                 return INVALID_INDEX;
 630         offset -= start;
 631         return offset / range;
 632 }
 633 
 634 #define FDI_RX_CTL_TO_PIPE(offset) \
 635         calc_index(offset, _FDI_RXA_CTL, _FDI_RXB_CTL, 0, FDI_RX_CTL(PIPE_C))
 636 
 637 #define FDI_TX_CTL_TO_PIPE(offset) \
 638         calc_index(offset, _FDI_TXA_CTL, _FDI_TXB_CTL, 0, FDI_TX_CTL(PIPE_C))
 639 
 640 #define FDI_RX_IMR_TO_PIPE(offset) \
 641         calc_index(offset, _FDI_RXA_IMR, _FDI_RXB_IMR, 0, FDI_RX_IMR(PIPE_C))
 642 
 643 static int update_fdi_rx_iir_status(struct intel_vgpu *vgpu,
 644                 unsigned int offset, void *p_data, unsigned int bytes)
 645 {
 646         i915_reg_t fdi_rx_iir;
 647         unsigned int index;
 648         int ret;
 649 
 650         if (FDI_RX_CTL_TO_PIPE(offset) != INVALID_INDEX)
 651                 index = FDI_RX_CTL_TO_PIPE(offset);
 652         else if (FDI_TX_CTL_TO_PIPE(offset) != INVALID_INDEX)
 653                 index = FDI_TX_CTL_TO_PIPE(offset);
 654         else if (FDI_RX_IMR_TO_PIPE(offset) != INVALID_INDEX)
 655                 index = FDI_RX_IMR_TO_PIPE(offset);
 656         else {
 657                 gvt_vgpu_err("Unsupport registers %x\n", offset);
 658                 return -EINVAL;
 659         }
 660 
 661         write_vreg(vgpu, offset, p_data, bytes);
 662 
 663         fdi_rx_iir = FDI_RX_IIR(index);
 664 
 665         ret = check_fdi_rx_train_status(vgpu, index, FDI_LINK_TRAIN_PATTERN1);
 666         if (ret < 0)
 667                 return ret;
 668         if (ret)
 669                 vgpu_vreg_t(vgpu, fdi_rx_iir) |= FDI_RX_BIT_LOCK;
 670 
 671         ret = check_fdi_rx_train_status(vgpu, index, FDI_LINK_TRAIN_PATTERN2);
 672         if (ret < 0)
 673                 return ret;
 674         if (ret)
 675                 vgpu_vreg_t(vgpu, fdi_rx_iir) |= FDI_RX_SYMBOL_LOCK;
 676 
 677         if (offset == _FDI_RXA_CTL)
 678                 if (fdi_auto_training_started(vgpu))
 679                         vgpu_vreg_t(vgpu, DP_TP_STATUS(PORT_E)) |=
 680                                 DP_TP_STATUS_AUTOTRAIN_DONE;
 681         return 0;
 682 }
 683 
 684 #define DP_TP_CTL_TO_PORT(offset) \
 685         calc_index(offset, _DP_TP_CTL_A, _DP_TP_CTL_B, 0, DP_TP_CTL(PORT_E))
 686 
 687 static int dp_tp_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
 688                 void *p_data, unsigned int bytes)
 689 {
 690         i915_reg_t status_reg;
 691         unsigned int index;
 692         u32 data;
 693 
 694         write_vreg(vgpu, offset, p_data, bytes);
 695 
 696         index = DP_TP_CTL_TO_PORT(offset);
 697         data = (vgpu_vreg(vgpu, offset) & GENMASK(10, 8)) >> 8;
 698         if (data == 0x2) {
 699                 status_reg = DP_TP_STATUS(index);
 700                 vgpu_vreg_t(vgpu, status_reg) |= (1 << 25);
 701         }
 702         return 0;
 703 }
 704 
 705 static int dp_tp_status_mmio_write(struct intel_vgpu *vgpu,
 706                 unsigned int offset, void *p_data, unsigned int bytes)
 707 {
 708         u32 reg_val;
 709         u32 sticky_mask;
 710 
 711         reg_val = *((u32 *)p_data);
 712         sticky_mask = GENMASK(27, 26) | (1 << 24);
 713 
 714         vgpu_vreg(vgpu, offset) = (reg_val & ~sticky_mask) |
 715                 (vgpu_vreg(vgpu, offset) & sticky_mask);
 716         vgpu_vreg(vgpu, offset) &= ~(reg_val & sticky_mask);
 717         return 0;
 718 }
 719 
 720 static int pch_adpa_mmio_write(struct intel_vgpu *vgpu,
 721                 unsigned int offset, void *p_data, unsigned int bytes)
 722 {
 723         u32 data;
 724 
 725         write_vreg(vgpu, offset, p_data, bytes);
 726         data = vgpu_vreg(vgpu, offset);
 727 
 728         if (data & ADPA_CRT_HOTPLUG_FORCE_TRIGGER)
 729                 vgpu_vreg(vgpu, offset) &= ~ADPA_CRT_HOTPLUG_FORCE_TRIGGER;
 730         return 0;
 731 }
 732 
 733 static int south_chicken2_mmio_write(struct intel_vgpu *vgpu,
 734                 unsigned int offset, void *p_data, unsigned int bytes)
 735 {
 736         u32 data;
 737 
 738         write_vreg(vgpu, offset, p_data, bytes);
 739         data = vgpu_vreg(vgpu, offset);
 740 
 741         if (data & FDI_MPHY_IOSFSB_RESET_CTL)
 742                 vgpu_vreg(vgpu, offset) |= FDI_MPHY_IOSFSB_RESET_STATUS;
 743         else
 744                 vgpu_vreg(vgpu, offset) &= ~FDI_MPHY_IOSFSB_RESET_STATUS;
 745         return 0;
 746 }
 747 
 748 #define DSPSURF_TO_PIPE(offset) \
 749         calc_index(offset, _DSPASURF, _DSPBSURF, 0, DSPSURF(PIPE_C))
 750 
 751 static int pri_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
 752                 void *p_data, unsigned int bytes)
 753 {
 754         struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
 755         u32 pipe = DSPSURF_TO_PIPE(offset);
 756         int event = SKL_FLIP_EVENT(pipe, PLANE_PRIMARY);
 757 
 758         write_vreg(vgpu, offset, p_data, bytes);
 759         vgpu_vreg_t(vgpu, DSPSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset);
 760 
 761         vgpu_vreg_t(vgpu, PIPE_FLIPCOUNT_G4X(pipe))++;
 762 
 763         if (vgpu_vreg_t(vgpu, DSPCNTR(pipe)) & PLANE_CTL_ASYNC_FLIP)
 764                 intel_vgpu_trigger_virtual_event(vgpu, event);
 765         else
 766                 set_bit(event, vgpu->irq.flip_done_event[pipe]);
 767 
 768         return 0;
 769 }
 770 
 771 #define SPRSURF_TO_PIPE(offset) \
 772         calc_index(offset, _SPRA_SURF, _SPRB_SURF, 0, SPRSURF(PIPE_C))
 773 
 774 static int spr_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
 775                 void *p_data, unsigned int bytes)
 776 {
 777         u32 pipe = SPRSURF_TO_PIPE(offset);
 778         int event = SKL_FLIP_EVENT(pipe, PLANE_SPRITE0);
 779 
 780         write_vreg(vgpu, offset, p_data, bytes);
 781         vgpu_vreg_t(vgpu, SPRSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset);
 782 
 783         if (vgpu_vreg_t(vgpu, SPRCTL(pipe)) & PLANE_CTL_ASYNC_FLIP)
 784                 intel_vgpu_trigger_virtual_event(vgpu, event);
 785         else
 786                 set_bit(event, vgpu->irq.flip_done_event[pipe]);
 787 
 788         return 0;
 789 }
 790 
 791 static int reg50080_mmio_write(struct intel_vgpu *vgpu,
 792                                unsigned int offset, void *p_data,
 793                                unsigned int bytes)
 794 {
 795         struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
 796         enum pipe pipe = REG_50080_TO_PIPE(offset);
 797         enum plane_id plane = REG_50080_TO_PLANE(offset);
 798         int event = SKL_FLIP_EVENT(pipe, plane);
 799 
 800         write_vreg(vgpu, offset, p_data, bytes);
 801         if (plane == PLANE_PRIMARY) {
 802                 vgpu_vreg_t(vgpu, DSPSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset);
 803                 vgpu_vreg_t(vgpu, PIPE_FLIPCOUNT_G4X(pipe))++;
 804         } else {
 805                 vgpu_vreg_t(vgpu, SPRSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset);
 806         }
 807 
 808         if ((vgpu_vreg(vgpu, offset) & REG50080_FLIP_TYPE_MASK) == REG50080_FLIP_TYPE_ASYNC)
 809                 intel_vgpu_trigger_virtual_event(vgpu, event);
 810         else
 811                 set_bit(event, vgpu->irq.flip_done_event[pipe]);
 812 
 813         return 0;
 814 }
 815 
 816 static int trigger_aux_channel_interrupt(struct intel_vgpu *vgpu,
 817                 unsigned int reg)
 818 {
 819         struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
 820         enum intel_gvt_event_type event;
 821 
 822         if (reg == _DPA_AUX_CH_CTL)
 823                 event = AUX_CHANNEL_A;
 824         else if (reg == _PCH_DPB_AUX_CH_CTL || reg == _DPB_AUX_CH_CTL)
 825                 event = AUX_CHANNEL_B;
 826         else if (reg == _PCH_DPC_AUX_CH_CTL || reg == _DPC_AUX_CH_CTL)
 827                 event = AUX_CHANNEL_C;
 828         else if (reg == _PCH_DPD_AUX_CH_CTL || reg == _DPD_AUX_CH_CTL)
 829                 event = AUX_CHANNEL_D;
 830         else {
 831                 WARN_ON(true);
 832                 return -EINVAL;
 833         }
 834 
 835         intel_vgpu_trigger_virtual_event(vgpu, event);
 836         return 0;
 837 }
 838 
 839 static int dp_aux_ch_ctl_trans_done(struct intel_vgpu *vgpu, u32 value,
 840                 unsigned int reg, int len, bool data_valid)
 841 {
 842         /* mark transaction done */
 843         value |= DP_AUX_CH_CTL_DONE;
 844         value &= ~DP_AUX_CH_CTL_SEND_BUSY;
 845         value &= ~DP_AUX_CH_CTL_RECEIVE_ERROR;
 846 
 847         if (data_valid)
 848                 value &= ~DP_AUX_CH_CTL_TIME_OUT_ERROR;
 849         else
 850                 value |= DP_AUX_CH_CTL_TIME_OUT_ERROR;
 851 
 852         /* message size */
 853         value &= ~(0xf << 20);
 854         value |= (len << 20);
 855         vgpu_vreg(vgpu, reg) = value;
 856 
 857         if (value & DP_AUX_CH_CTL_INTERRUPT)
 858                 return trigger_aux_channel_interrupt(vgpu, reg);
 859         return 0;
 860 }
 861 
 862 static void dp_aux_ch_ctl_link_training(struct intel_vgpu_dpcd_data *dpcd,
 863                 u8 t)
 864 {
 865         if ((t & DPCD_TRAINING_PATTERN_SET_MASK) == DPCD_TRAINING_PATTERN_1) {
 866                 /* training pattern 1 for CR */
 867                 /* set LANE0_CR_DONE, LANE1_CR_DONE */
 868                 dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_LANES_CR_DONE;
 869                 /* set LANE2_CR_DONE, LANE3_CR_DONE */
 870                 dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_LANES_CR_DONE;
 871         } else if ((t & DPCD_TRAINING_PATTERN_SET_MASK) ==
 872                         DPCD_TRAINING_PATTERN_2) {
 873                 /* training pattern 2 for EQ */
 874                 /* Set CHANNEL_EQ_DONE and  SYMBOL_LOCKED for Lane0_1 */
 875                 dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_LANES_EQ_DONE;
 876                 dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_SYMBOL_LOCKED;
 877                 /* Set CHANNEL_EQ_DONE and  SYMBOL_LOCKED for Lane2_3 */
 878                 dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_LANES_EQ_DONE;
 879                 dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_SYMBOL_LOCKED;
 880                 /* set INTERLANE_ALIGN_DONE */
 881                 dpcd->data[DPCD_LANE_ALIGN_STATUS_UPDATED] |=
 882                         DPCD_INTERLANE_ALIGN_DONE;
 883         } else if ((t & DPCD_TRAINING_PATTERN_SET_MASK) ==
 884                         DPCD_LINK_TRAINING_DISABLED) {
 885                 /* finish link training */
 886                 /* set sink status as synchronized */
 887                 dpcd->data[DPCD_SINK_STATUS] = DPCD_SINK_IN_SYNC;
 888         }
 889 }
 890 
 891 #define _REG_HSW_DP_AUX_CH_CTL(dp) \
 892         ((dp) ? (_PCH_DPB_AUX_CH_CTL + ((dp)-1)*0x100) : 0x64010)
 893 
 894 #define _REG_SKL_DP_AUX_CH_CTL(dp) (0x64010 + (dp) * 0x100)
 895 
 896 #define OFFSET_TO_DP_AUX_PORT(offset) (((offset) & 0xF00) >> 8)
 897 
 898 #define dpy_is_valid_port(port) \
 899                 (((port) >= PORT_A) && ((port) < I915_MAX_PORTS))
 900 
 901 static int dp_aux_ch_ctl_mmio_write(struct intel_vgpu *vgpu,
 902                 unsigned int offset, void *p_data, unsigned int bytes)
 903 {
 904         struct intel_vgpu_display *display = &vgpu->display;
 905         int msg, addr, ctrl, op, len;
 906         int port_index = OFFSET_TO_DP_AUX_PORT(offset);
 907         struct intel_vgpu_dpcd_data *dpcd = NULL;
 908         struct intel_vgpu_port *port = NULL;
 909         u32 data;
 910 
 911         if (!dpy_is_valid_port(port_index)) {
 912                 gvt_vgpu_err("Unsupported DP port access!\n");
 913                 return 0;
 914         }
 915 
 916         write_vreg(vgpu, offset, p_data, bytes);
 917         data = vgpu_vreg(vgpu, offset);
 918 
 919         if ((INTEL_GEN(vgpu->gvt->dev_priv) >= 9)
 920                 && offset != _REG_SKL_DP_AUX_CH_CTL(port_index)) {
 921                 /* SKL DPB/C/D aux ctl register changed */
 922                 return 0;
 923         } else if (IS_BROADWELL(vgpu->gvt->dev_priv) &&
 924                    offset != _REG_HSW_DP_AUX_CH_CTL(port_index)) {
 925                 /* write to the data registers */
 926                 return 0;
 927         }
 928 
 929         if (!(data & DP_AUX_CH_CTL_SEND_BUSY)) {
 930                 /* just want to clear the sticky bits */
 931                 vgpu_vreg(vgpu, offset) = 0;
 932                 return 0;
 933         }
 934 
 935         port = &display->ports[port_index];
 936         dpcd = port->dpcd;
 937 
 938         /* read out message from DATA1 register */
 939         msg = vgpu_vreg(vgpu, offset + 4);
 940         addr = (msg >> 8) & 0xffff;
 941         ctrl = (msg >> 24) & 0xff;
 942         len = msg & 0xff;
 943         op = ctrl >> 4;
 944 
 945         if (op == GVT_AUX_NATIVE_WRITE) {
 946                 int t;
 947                 u8 buf[16];
 948 
 949                 if ((addr + len + 1) >= DPCD_SIZE) {
 950                         /*
 951                          * Write request exceeds what we supported,
 952                          * DCPD spec: When a Source Device is writing a DPCD
 953                          * address not supported by the Sink Device, the Sink
 954                          * Device shall reply with AUX NACK and “M” equal to
 955                          * zero.
 956                          */
 957 
 958                         /* NAK the write */
 959                         vgpu_vreg(vgpu, offset + 4) = AUX_NATIVE_REPLY_NAK;
 960                         dp_aux_ch_ctl_trans_done(vgpu, data, offset, 2, true);
 961                         return 0;
 962                 }
 963 
 964                 /*
 965                  * Write request format: Headr (command + address + size) occupies
 966                  * 4 bytes, followed by (len + 1) bytes of data. See details at
 967                  * intel_dp_aux_transfer().
 968                  */
 969                 if ((len + 1 + 4) > AUX_BURST_SIZE) {
 970                         gvt_vgpu_err("dp_aux_header: len %d is too large\n", len);
 971                         return -EINVAL;
 972                 }
 973 
 974                 /* unpack data from vreg to buf */
 975                 for (t = 0; t < 4; t++) {
 976                         u32 r = vgpu_vreg(vgpu, offset + 8 + t * 4);
 977 
 978                         buf[t * 4] = (r >> 24) & 0xff;
 979                         buf[t * 4 + 1] = (r >> 16) & 0xff;
 980                         buf[t * 4 + 2] = (r >> 8) & 0xff;
 981                         buf[t * 4 + 3] = r & 0xff;
 982                 }
 983 
 984                 /* write to virtual DPCD */
 985                 if (dpcd && dpcd->data_valid) {
 986                         for (t = 0; t <= len; t++) {
 987                                 int p = addr + t;
 988 
 989                                 dpcd->data[p] = buf[t];
 990                                 /* check for link training */
 991                                 if (p == DPCD_TRAINING_PATTERN_SET)
 992                                         dp_aux_ch_ctl_link_training(dpcd,
 993                                                         buf[t]);
 994                         }
 995                 }
 996 
 997                 /* ACK the write */
 998                 vgpu_vreg(vgpu, offset + 4) = 0;
 999                 dp_aux_ch_ctl_trans_done(vgpu, data, offset, 1,
1000                                 dpcd && dpcd->data_valid);
1001                 return 0;
1002         }
1003 
1004         if (op == GVT_AUX_NATIVE_READ) {
1005                 int idx, i, ret = 0;
1006 
1007                 if ((addr + len + 1) >= DPCD_SIZE) {
1008                         /*
1009                          * read request exceeds what we supported
1010                          * DPCD spec: A Sink Device receiving a Native AUX CH
1011                          * read request for an unsupported DPCD address must
1012                          * reply with an AUX ACK and read data set equal to
1013                          * zero instead of replying with AUX NACK.
1014                          */
1015 
1016                         /* ACK the READ*/
1017                         vgpu_vreg(vgpu, offset + 4) = 0;
1018                         vgpu_vreg(vgpu, offset + 8) = 0;
1019                         vgpu_vreg(vgpu, offset + 12) = 0;
1020                         vgpu_vreg(vgpu, offset + 16) = 0;
1021                         vgpu_vreg(vgpu, offset + 20) = 0;
1022 
1023                         dp_aux_ch_ctl_trans_done(vgpu, data, offset, len + 2,
1024                                         true);
1025                         return 0;
1026                 }
1027 
1028                 for (idx = 1; idx <= 5; idx++) {
1029                         /* clear the data registers */
1030                         vgpu_vreg(vgpu, offset + 4 * idx) = 0;
1031                 }
1032 
1033                 /*
1034                  * Read reply format: ACK (1 byte) plus (len + 1) bytes of data.
1035                  */
1036                 if ((len + 2) > AUX_BURST_SIZE) {
1037                         gvt_vgpu_err("dp_aux_header: len %d is too large\n", len);
1038                         return -EINVAL;
1039                 }
1040 
1041                 /* read from virtual DPCD to vreg */
1042                 /* first 4 bytes: [ACK][addr][addr+1][addr+2] */
1043                 if (dpcd && dpcd->data_valid) {
1044                         for (i = 1; i <= (len + 1); i++) {
1045                                 int t;
1046 
1047                                 t = dpcd->data[addr + i - 1];
1048                                 t <<= (24 - 8 * (i % 4));
1049                                 ret |= t;
1050 
1051                                 if ((i % 4 == 3) || (i == (len + 1))) {
1052                                         vgpu_vreg(vgpu, offset +
1053                                                         (i / 4 + 1) * 4) = ret;
1054                                         ret = 0;
1055                                 }
1056                         }
1057                 }
1058                 dp_aux_ch_ctl_trans_done(vgpu, data, offset, len + 2,
1059                                 dpcd && dpcd->data_valid);
1060                 return 0;
1061         }
1062 
1063         /* i2c transaction starts */
1064         intel_gvt_i2c_handle_aux_ch_write(vgpu, port_index, offset, p_data);
1065 
1066         if (data & DP_AUX_CH_CTL_INTERRUPT)
1067                 trigger_aux_channel_interrupt(vgpu, offset);
1068         return 0;
1069 }
1070 
1071 static int mbctl_write(struct intel_vgpu *vgpu, unsigned int offset,
1072                 void *p_data, unsigned int bytes)
1073 {
1074         *(u32 *)p_data &= (~GEN6_MBCTL_ENABLE_BOOT_FETCH);
1075         write_vreg(vgpu, offset, p_data, bytes);
1076         return 0;
1077 }
1078 
1079 static int vga_control_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1080                 void *p_data, unsigned int bytes)
1081 {
1082         bool vga_disable;
1083 
1084         write_vreg(vgpu, offset, p_data, bytes);
1085         vga_disable = vgpu_vreg(vgpu, offset) & VGA_DISP_DISABLE;
1086 
1087         gvt_dbg_core("vgpu%d: %s VGA mode\n", vgpu->id,
1088                         vga_disable ? "Disable" : "Enable");
1089         return 0;
1090 }
1091 
1092 static u32 read_virtual_sbi_register(struct intel_vgpu *vgpu,
1093                 unsigned int sbi_offset)
1094 {
1095         struct intel_vgpu_display *display = &vgpu->display;
1096         int num = display->sbi.number;
1097         int i;
1098 
1099         for (i = 0; i < num; ++i)
1100                 if (display->sbi.registers[i].offset == sbi_offset)
1101                         break;
1102 
1103         if (i == num)
1104                 return 0;
1105 
1106         return display->sbi.registers[i].value;
1107 }
1108 
1109 static void write_virtual_sbi_register(struct intel_vgpu *vgpu,
1110                 unsigned int offset, u32 value)
1111 {
1112         struct intel_vgpu_display *display = &vgpu->display;
1113         int num = display->sbi.number;
1114         int i;
1115 
1116         for (i = 0; i < num; ++i) {
1117                 if (display->sbi.registers[i].offset == offset)
1118                         break;
1119         }
1120 
1121         if (i == num) {
1122                 if (num == SBI_REG_MAX) {
1123                         gvt_vgpu_err("SBI caching meets maximum limits\n");
1124                         return;
1125                 }
1126                 display->sbi.number++;
1127         }
1128 
1129         display->sbi.registers[i].offset = offset;
1130         display->sbi.registers[i].value = value;
1131 }
1132 
1133 static int sbi_data_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
1134                 void *p_data, unsigned int bytes)
1135 {
1136         if (((vgpu_vreg_t(vgpu, SBI_CTL_STAT) & SBI_OPCODE_MASK) >>
1137                                 SBI_OPCODE_SHIFT) == SBI_CMD_CRRD) {
1138                 unsigned int sbi_offset = (vgpu_vreg_t(vgpu, SBI_ADDR) &
1139                                 SBI_ADDR_OFFSET_MASK) >> SBI_ADDR_OFFSET_SHIFT;
1140                 vgpu_vreg(vgpu, offset) = read_virtual_sbi_register(vgpu,
1141                                 sbi_offset);
1142         }
1143         read_vreg(vgpu, offset, p_data, bytes);
1144         return 0;
1145 }
1146 
1147 static int sbi_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1148                 void *p_data, unsigned int bytes)
1149 {
1150         u32 data;
1151 
1152         write_vreg(vgpu, offset, p_data, bytes);
1153         data = vgpu_vreg(vgpu, offset);
1154 
1155         data &= ~(SBI_STAT_MASK << SBI_STAT_SHIFT);
1156         data |= SBI_READY;
1157 
1158         data &= ~(SBI_RESPONSE_MASK << SBI_RESPONSE_SHIFT);
1159         data |= SBI_RESPONSE_SUCCESS;
1160 
1161         vgpu_vreg(vgpu, offset) = data;
1162 
1163         if (((vgpu_vreg_t(vgpu, SBI_CTL_STAT) & SBI_OPCODE_MASK) >>
1164                                 SBI_OPCODE_SHIFT) == SBI_CMD_CRWR) {
1165                 unsigned int sbi_offset = (vgpu_vreg_t(vgpu, SBI_ADDR) &
1166                                 SBI_ADDR_OFFSET_MASK) >> SBI_ADDR_OFFSET_SHIFT;
1167 
1168                 write_virtual_sbi_register(vgpu, sbi_offset,
1169                                            vgpu_vreg_t(vgpu, SBI_DATA));
1170         }
1171         return 0;
1172 }
1173 
1174 #define _vgtif_reg(x) \
1175         (VGT_PVINFO_PAGE + offsetof(struct vgt_if, x))
1176 
1177 static int pvinfo_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
1178                 void *p_data, unsigned int bytes)
1179 {
1180         bool invalid_read = false;
1181 
1182         read_vreg(vgpu, offset, p_data, bytes);
1183 
1184         switch (offset) {
1185         case _vgtif_reg(magic) ... _vgtif_reg(vgt_id):
1186                 if (offset + bytes > _vgtif_reg(vgt_id) + 4)
1187                         invalid_read = true;
1188                 break;
1189         case _vgtif_reg(avail_rs.mappable_gmadr.base) ...
1190                 _vgtif_reg(avail_rs.fence_num):
1191                 if (offset + bytes >
1192                         _vgtif_reg(avail_rs.fence_num) + 4)
1193                         invalid_read = true;
1194                 break;
1195         case 0x78010:   /* vgt_caps */
1196         case 0x7881c:
1197                 break;
1198         default:
1199                 invalid_read = true;
1200                 break;
1201         }
1202         if (invalid_read)
1203                 gvt_vgpu_err("invalid pvinfo read: [%x:%x] = %x\n",
1204                                 offset, bytes, *(u32 *)p_data);
1205         vgpu->pv_notified = true;
1206         return 0;
1207 }
1208 
1209 static int handle_g2v_notification(struct intel_vgpu *vgpu, int notification)
1210 {
1211         enum intel_gvt_gtt_type root_entry_type = GTT_TYPE_PPGTT_ROOT_L4_ENTRY;
1212         struct intel_vgpu_mm *mm;
1213         u64 *pdps;
1214 
1215         pdps = (u64 *)&vgpu_vreg64_t(vgpu, vgtif_reg(pdp[0]));
1216 
1217         switch (notification) {
1218         case VGT_G2V_PPGTT_L3_PAGE_TABLE_CREATE:
1219                 root_entry_type = GTT_TYPE_PPGTT_ROOT_L3_ENTRY;
1220                 /* fall through */
1221         case VGT_G2V_PPGTT_L4_PAGE_TABLE_CREATE:
1222                 mm = intel_vgpu_get_ppgtt_mm(vgpu, root_entry_type, pdps);
1223                 return PTR_ERR_OR_ZERO(mm);
1224         case VGT_G2V_PPGTT_L3_PAGE_TABLE_DESTROY:
1225         case VGT_G2V_PPGTT_L4_PAGE_TABLE_DESTROY:
1226                 return intel_vgpu_put_ppgtt_mm(vgpu, pdps);
1227         case VGT_G2V_EXECLIST_CONTEXT_CREATE:
1228         case VGT_G2V_EXECLIST_CONTEXT_DESTROY:
1229         case 1: /* Remove this in guest driver. */
1230                 break;
1231         default:
1232                 gvt_vgpu_err("Invalid PV notification %d\n", notification);
1233         }
1234         return 0;
1235 }
1236 
1237 static int send_display_ready_uevent(struct intel_vgpu *vgpu, int ready)
1238 {
1239         struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
1240         struct kobject *kobj = &dev_priv->drm.primary->kdev->kobj;
1241         char *env[3] = {NULL, NULL, NULL};
1242         char vmid_str[20];
1243         char display_ready_str[20];
1244 
1245         snprintf(display_ready_str, 20, "GVT_DISPLAY_READY=%d", ready);
1246         env[0] = display_ready_str;
1247 
1248         snprintf(vmid_str, 20, "VMID=%d", vgpu->id);
1249         env[1] = vmid_str;
1250 
1251         return kobject_uevent_env(kobj, KOBJ_ADD, env);
1252 }
1253 
1254 static int pvinfo_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1255                 void *p_data, unsigned int bytes)
1256 {
1257         u32 data = *(u32 *)p_data;
1258         bool invalid_write = false;
1259 
1260         switch (offset) {
1261         case _vgtif_reg(display_ready):
1262                 send_display_ready_uevent(vgpu, data ? 1 : 0);
1263                 break;
1264         case _vgtif_reg(g2v_notify):
1265                 handle_g2v_notification(vgpu, data);
1266                 break;
1267         /* add xhot and yhot to handled list to avoid error log */
1268         case _vgtif_reg(cursor_x_hot):
1269         case _vgtif_reg(cursor_y_hot):
1270         case _vgtif_reg(pdp[0].lo):
1271         case _vgtif_reg(pdp[0].hi):
1272         case _vgtif_reg(pdp[1].lo):
1273         case _vgtif_reg(pdp[1].hi):
1274         case _vgtif_reg(pdp[2].lo):
1275         case _vgtif_reg(pdp[2].hi):
1276         case _vgtif_reg(pdp[3].lo):
1277         case _vgtif_reg(pdp[3].hi):
1278         case _vgtif_reg(execlist_context_descriptor_lo):
1279         case _vgtif_reg(execlist_context_descriptor_hi):
1280                 break;
1281         case _vgtif_reg(rsv5[0])..._vgtif_reg(rsv5[3]):
1282                 invalid_write = true;
1283                 enter_failsafe_mode(vgpu, GVT_FAILSAFE_INSUFFICIENT_RESOURCE);
1284                 break;
1285         default:
1286                 invalid_write = true;
1287                 gvt_vgpu_err("invalid pvinfo write offset %x bytes %x data %x\n",
1288                                 offset, bytes, data);
1289                 break;
1290         }
1291 
1292         if (!invalid_write)
1293                 write_vreg(vgpu, offset, p_data, bytes);
1294 
1295         return 0;
1296 }
1297 
1298 static int pf_write(struct intel_vgpu *vgpu,
1299                 unsigned int offset, void *p_data, unsigned int bytes)
1300 {
1301         u32 val = *(u32 *)p_data;
1302 
1303         if ((offset == _PS_1A_CTRL || offset == _PS_2A_CTRL ||
1304            offset == _PS_1B_CTRL || offset == _PS_2B_CTRL ||
1305            offset == _PS_1C_CTRL) && (val & PS_PLANE_SEL_MASK) != 0) {
1306                 WARN_ONCE(true, "VM(%d): guest is trying to scaling a plane\n",
1307                           vgpu->id);
1308                 return 0;
1309         }
1310 
1311         return intel_vgpu_default_mmio_write(vgpu, offset, p_data, bytes);
1312 }
1313 
1314 static int power_well_ctl_mmio_write(struct intel_vgpu *vgpu,
1315                 unsigned int offset, void *p_data, unsigned int bytes)
1316 {
1317         write_vreg(vgpu, offset, p_data, bytes);
1318 
1319         if (vgpu_vreg(vgpu, offset) &
1320             HSW_PWR_WELL_CTL_REQ(HSW_PW_CTL_IDX_GLOBAL))
1321                 vgpu_vreg(vgpu, offset) |=
1322                         HSW_PWR_WELL_CTL_STATE(HSW_PW_CTL_IDX_GLOBAL);
1323         else
1324                 vgpu_vreg(vgpu, offset) &=
1325                         ~HSW_PWR_WELL_CTL_STATE(HSW_PW_CTL_IDX_GLOBAL);
1326         return 0;
1327 }
1328 
1329 static int gen9_dbuf_ctl_mmio_write(struct intel_vgpu *vgpu,
1330                 unsigned int offset, void *p_data, unsigned int bytes)
1331 {
1332         write_vreg(vgpu, offset, p_data, bytes);
1333 
1334         if (vgpu_vreg(vgpu, offset) & DBUF_POWER_REQUEST)
1335                 vgpu_vreg(vgpu, offset) |= DBUF_POWER_STATE;
1336         else
1337                 vgpu_vreg(vgpu, offset) &= ~DBUF_POWER_STATE;
1338 
1339         return 0;
1340 }
1341 
1342 static int fpga_dbg_mmio_write(struct intel_vgpu *vgpu,
1343         unsigned int offset, void *p_data, unsigned int bytes)
1344 {
1345         write_vreg(vgpu, offset, p_data, bytes);
1346 
1347         if (vgpu_vreg(vgpu, offset) & FPGA_DBG_RM_NOCLAIM)
1348                 vgpu_vreg(vgpu, offset) &= ~FPGA_DBG_RM_NOCLAIM;
1349         return 0;
1350 }
1351 
1352 static int dma_ctrl_write(struct intel_vgpu *vgpu, unsigned int offset,
1353                 void *p_data, unsigned int bytes)
1354 {
1355         u32 mode;
1356 
1357         write_vreg(vgpu, offset, p_data, bytes);
1358         mode = vgpu_vreg(vgpu, offset);
1359 
1360         if (GFX_MODE_BIT_SET_IN_MASK(mode, START_DMA)) {
1361                 WARN_ONCE(1, "VM(%d): iGVT-g doesn't support GuC\n",
1362                                 vgpu->id);
1363                 return 0;
1364         }
1365 
1366         return 0;
1367 }
1368 
1369 static int gen9_trtte_write(struct intel_vgpu *vgpu, unsigned int offset,
1370                 void *p_data, unsigned int bytes)
1371 {
1372         u32 trtte = *(u32 *)p_data;
1373 
1374         if ((trtte & 1) && (trtte & (1 << 1)) == 0) {
1375                 WARN(1, "VM(%d): Use physical address for TRTT!\n",
1376                                 vgpu->id);
1377                 return -EINVAL;
1378         }
1379         write_vreg(vgpu, offset, p_data, bytes);
1380 
1381         return 0;
1382 }
1383 
1384 static int gen9_trtt_chicken_write(struct intel_vgpu *vgpu, unsigned int offset,
1385                 void *p_data, unsigned int bytes)
1386 {
1387         write_vreg(vgpu, offset, p_data, bytes);
1388         return 0;
1389 }
1390 
1391 static int dpll_status_read(struct intel_vgpu *vgpu, unsigned int offset,
1392                 void *p_data, unsigned int bytes)
1393 {
1394         u32 v = 0;
1395 
1396         if (vgpu_vreg(vgpu, 0x46010) & (1 << 31))
1397                 v |= (1 << 0);
1398 
1399         if (vgpu_vreg(vgpu, 0x46014) & (1 << 31))
1400                 v |= (1 << 8);
1401 
1402         if (vgpu_vreg(vgpu, 0x46040) & (1 << 31))
1403                 v |= (1 << 16);
1404 
1405         if (vgpu_vreg(vgpu, 0x46060) & (1 << 31))
1406                 v |= (1 << 24);
1407 
1408         vgpu_vreg(vgpu, offset) = v;
1409 
1410         return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
1411 }
1412 
1413 static int mailbox_write(struct intel_vgpu *vgpu, unsigned int offset,
1414                 void *p_data, unsigned int bytes)
1415 {
1416         u32 value = *(u32 *)p_data;
1417         u32 cmd = value & 0xff;
1418         u32 *data0 = &vgpu_vreg_t(vgpu, GEN6_PCODE_DATA);
1419 
1420         switch (cmd) {
1421         case GEN9_PCODE_READ_MEM_LATENCY:
1422                 if (IS_SKYLAKE(vgpu->gvt->dev_priv)
1423                          || IS_KABYLAKE(vgpu->gvt->dev_priv)
1424                          || IS_COFFEELAKE(vgpu->gvt->dev_priv)) {
1425                         /**
1426                          * "Read memory latency" command on gen9.
1427                          * Below memory latency values are read
1428                          * from skylake platform.
1429                          */
1430                         if (!*data0)
1431                                 *data0 = 0x1e1a1100;
1432                         else
1433                                 *data0 = 0x61514b3d;
1434                 } else if (IS_BROXTON(vgpu->gvt->dev_priv)) {
1435                         /**
1436                          * "Read memory latency" command on gen9.
1437                          * Below memory latency values are read
1438                          * from Broxton MRB.
1439                          */
1440                         if (!*data0)
1441                                 *data0 = 0x16080707;
1442                         else
1443                                 *data0 = 0x16161616;
1444                 }
1445                 break;
1446         case SKL_PCODE_CDCLK_CONTROL:
1447                 if (IS_SKYLAKE(vgpu->gvt->dev_priv)
1448                          || IS_KABYLAKE(vgpu->gvt->dev_priv)
1449                          || IS_COFFEELAKE(vgpu->gvt->dev_priv))
1450                         *data0 = SKL_CDCLK_READY_FOR_CHANGE;
1451                 break;
1452         case GEN6_PCODE_READ_RC6VIDS:
1453                 *data0 |= 0x1;
1454                 break;
1455         }
1456 
1457         gvt_dbg_core("VM(%d) write %x to mailbox, return data0 %x\n",
1458                      vgpu->id, value, *data0);
1459         /**
1460          * PCODE_READY clear means ready for pcode read/write,
1461          * PCODE_ERROR_MASK clear means no error happened. In GVT-g we
1462          * always emulate as pcode read/write success and ready for access
1463          * anytime, since we don't touch real physical registers here.
1464          */
1465         value &= ~(GEN6_PCODE_READY | GEN6_PCODE_ERROR_MASK);
1466         return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes);
1467 }
1468 
1469 static int hws_pga_write(struct intel_vgpu *vgpu, unsigned int offset,
1470                 void *p_data, unsigned int bytes)
1471 {
1472         u32 value = *(u32 *)p_data;
1473         int ring_id = intel_gvt_render_mmio_to_ring_id(vgpu->gvt, offset);
1474 
1475         if (!intel_gvt_ggtt_validate_range(vgpu, value, I915_GTT_PAGE_SIZE)) {
1476                 gvt_vgpu_err("write invalid HWSP address, reg:0x%x, value:0x%x\n",
1477                               offset, value);
1478                 return -EINVAL;
1479         }
1480         /*
1481          * Need to emulate all the HWSP register write to ensure host can
1482          * update the VM CSB status correctly. Here listed registers can
1483          * support BDW, SKL or other platforms with same HWSP registers.
1484          */
1485         if (unlikely(ring_id < 0 || ring_id >= I915_NUM_ENGINES)) {
1486                 gvt_vgpu_err("access unknown hardware status page register:0x%x\n",
1487                              offset);
1488                 return -EINVAL;
1489         }
1490         vgpu->hws_pga[ring_id] = value;
1491         gvt_dbg_mmio("VM(%d) write: 0x%x to HWSP: 0x%x\n",
1492                      vgpu->id, value, offset);
1493 
1494         return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes);
1495 }
1496 
1497 static int skl_power_well_ctl_write(struct intel_vgpu *vgpu,
1498                 unsigned int offset, void *p_data, unsigned int bytes)
1499 {
1500         u32 v = *(u32 *)p_data;
1501 
1502         if (IS_BROXTON(vgpu->gvt->dev_priv))
1503                 v &= (1 << 31) | (1 << 29);
1504         else
1505                 v &= (1 << 31) | (1 << 29) | (1 << 9) |
1506                         (1 << 7) | (1 << 5) | (1 << 3) | (1 << 1);
1507         v |= (v >> 1);
1508 
1509         return intel_vgpu_default_mmio_write(vgpu, offset, &v, bytes);
1510 }
1511 
1512 static int skl_lcpll_write(struct intel_vgpu *vgpu, unsigned int offset,
1513                 void *p_data, unsigned int bytes)
1514 {
1515         u32 v = *(u32 *)p_data;
1516 
1517         /* other bits are MBZ. */
1518         v &= (1 << 31) | (1 << 30);
1519         v & (1 << 31) ? (v |= (1 << 30)) : (v &= ~(1 << 30));
1520 
1521         vgpu_vreg(vgpu, offset) = v;
1522 
1523         return 0;
1524 }
1525 
1526 static int bxt_de_pll_enable_write(struct intel_vgpu *vgpu,
1527                 unsigned int offset, void *p_data, unsigned int bytes)
1528 {
1529         u32 v = *(u32 *)p_data;
1530 
1531         if (v & BXT_DE_PLL_PLL_ENABLE)
1532                 v |= BXT_DE_PLL_LOCK;
1533 
1534         vgpu_vreg(vgpu, offset) = v;
1535 
1536         return 0;
1537 }
1538 
1539 static int bxt_port_pll_enable_write(struct intel_vgpu *vgpu,
1540                 unsigned int offset, void *p_data, unsigned int bytes)
1541 {
1542         u32 v = *(u32 *)p_data;
1543 
1544         if (v & PORT_PLL_ENABLE)
1545                 v |= PORT_PLL_LOCK;
1546 
1547         vgpu_vreg(vgpu, offset) = v;
1548 
1549         return 0;
1550 }
1551 
1552 static int bxt_phy_ctl_family_write(struct intel_vgpu *vgpu,
1553                 unsigned int offset, void *p_data, unsigned int bytes)
1554 {
1555         u32 v = *(u32 *)p_data;
1556         u32 data = v & COMMON_RESET_DIS ? BXT_PHY_LANE_ENABLED : 0;
1557 
1558         switch (offset) {
1559         case _PHY_CTL_FAMILY_EDP:
1560                 vgpu_vreg(vgpu, _BXT_PHY_CTL_DDI_A) = data;
1561                 break;
1562         case _PHY_CTL_FAMILY_DDI:
1563                 vgpu_vreg(vgpu, _BXT_PHY_CTL_DDI_B) = data;
1564                 vgpu_vreg(vgpu, _BXT_PHY_CTL_DDI_C) = data;
1565                 break;
1566         }
1567 
1568         vgpu_vreg(vgpu, offset) = v;
1569 
1570         return 0;
1571 }
1572 
1573 static int bxt_port_tx_dw3_read(struct intel_vgpu *vgpu,
1574                 unsigned int offset, void *p_data, unsigned int bytes)
1575 {
1576         u32 v = vgpu_vreg(vgpu, offset);
1577 
1578         v &= ~UNIQUE_TRANGE_EN_METHOD;
1579 
1580         vgpu_vreg(vgpu, offset) = v;
1581 
1582         return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
1583 }
1584 
1585 static int bxt_pcs_dw12_grp_write(struct intel_vgpu *vgpu,
1586                 unsigned int offset, void *p_data, unsigned int bytes)
1587 {
1588         u32 v = *(u32 *)p_data;
1589 
1590         if (offset == _PORT_PCS_DW12_GRP_A || offset == _PORT_PCS_DW12_GRP_B) {
1591                 vgpu_vreg(vgpu, offset - 0x600) = v;
1592                 vgpu_vreg(vgpu, offset - 0x800) = v;
1593         } else {
1594                 vgpu_vreg(vgpu, offset - 0x400) = v;
1595                 vgpu_vreg(vgpu, offset - 0x600) = v;
1596         }
1597 
1598         vgpu_vreg(vgpu, offset) = v;
1599 
1600         return 0;
1601 }
1602 
1603 static int bxt_gt_disp_pwron_write(struct intel_vgpu *vgpu,
1604                 unsigned int offset, void *p_data, unsigned int bytes)
1605 {
1606         u32 v = *(u32 *)p_data;
1607 
1608         if (v & BIT(0)) {
1609                 vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY0)) &=
1610                         ~PHY_RESERVED;
1611                 vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY0)) |=
1612                         PHY_POWER_GOOD;
1613         }
1614 
1615         if (v & BIT(1)) {
1616                 vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY1)) &=
1617                         ~PHY_RESERVED;
1618                 vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY1)) |=
1619                         PHY_POWER_GOOD;
1620         }
1621 
1622 
1623         vgpu_vreg(vgpu, offset) = v;
1624 
1625         return 0;
1626 }
1627 
1628 static int edp_psr_imr_iir_write(struct intel_vgpu *vgpu,
1629                 unsigned int offset, void *p_data, unsigned int bytes)
1630 {
1631         vgpu_vreg(vgpu, offset) = 0;
1632         return 0;
1633 }
1634 
1635 static int mmio_read_from_hw(struct intel_vgpu *vgpu,
1636                 unsigned int offset, void *p_data, unsigned int bytes)
1637 {
1638         struct intel_gvt *gvt = vgpu->gvt;
1639         struct drm_i915_private *dev_priv = gvt->dev_priv;
1640         int ring_id;
1641         u32 ring_base;
1642 
1643         ring_id = intel_gvt_render_mmio_to_ring_id(gvt, offset);
1644         /**
1645          * Read HW reg in following case
1646          * a. the offset isn't a ring mmio
1647          * b. the offset's ring is running on hw.
1648          * c. the offset is ring time stamp mmio
1649          */
1650         if (ring_id >= 0)
1651                 ring_base = dev_priv->engine[ring_id]->mmio_base;
1652 
1653         if (ring_id < 0 || vgpu  == gvt->scheduler.engine_owner[ring_id] ||
1654             offset == i915_mmio_reg_offset(RING_TIMESTAMP(ring_base)) ||
1655             offset == i915_mmio_reg_offset(RING_TIMESTAMP_UDW(ring_base))) {
1656                 mmio_hw_access_pre(dev_priv);
1657                 vgpu_vreg(vgpu, offset) = I915_READ(_MMIO(offset));
1658                 mmio_hw_access_post(dev_priv);
1659         }
1660 
1661         return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
1662 }
1663 
1664 static int elsp_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1665                 void *p_data, unsigned int bytes)
1666 {
1667         int ring_id = intel_gvt_render_mmio_to_ring_id(vgpu->gvt, offset);
1668         struct intel_vgpu_execlist *execlist;
1669         u32 data = *(u32 *)p_data;
1670         int ret = 0;
1671 
1672         if (WARN_ON(ring_id < 0 || ring_id >= I915_NUM_ENGINES))
1673                 return -EINVAL;
1674 
1675         execlist = &vgpu->submission.execlist[ring_id];
1676 
1677         execlist->elsp_dwords.data[3 - execlist->elsp_dwords.index] = data;
1678         if (execlist->elsp_dwords.index == 3) {
1679                 ret = intel_vgpu_submit_execlist(vgpu, ring_id);
1680                 if(ret)
1681                         gvt_vgpu_err("fail submit workload on ring %d\n",
1682                                 ring_id);
1683         }
1684 
1685         ++execlist->elsp_dwords.index;
1686         execlist->elsp_dwords.index &= 0x3;
1687         return ret;
1688 }
1689 
1690 static int ring_mode_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1691                 void *p_data, unsigned int bytes)
1692 {
1693         u32 data = *(u32 *)p_data;
1694         int ring_id = intel_gvt_render_mmio_to_ring_id(vgpu->gvt, offset);
1695         bool enable_execlist;
1696         int ret;
1697 
1698         (*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(1);
1699         if (IS_COFFEELAKE(vgpu->gvt->dev_priv))
1700                 (*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(2);
1701         write_vreg(vgpu, offset, p_data, bytes);
1702 
1703         if (data & _MASKED_BIT_ENABLE(1)) {
1704                 enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
1705                 return 0;
1706         }
1707 
1708         if (IS_COFFEELAKE(vgpu->gvt->dev_priv) &&
1709             data & _MASKED_BIT_ENABLE(2)) {
1710                 enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
1711                 return 0;
1712         }
1713 
1714         /* when PPGTT mode enabled, we will check if guest has called
1715          * pvinfo, if not, we will treat this guest as non-gvtg-aware
1716          * guest, and stop emulating its cfg space, mmio, gtt, etc.
1717          */
1718         if (((data & _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE)) ||
1719                         (data & _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE)))
1720                         && !vgpu->pv_notified) {
1721                 enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
1722                 return 0;
1723         }
1724         if ((data & _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE))
1725                         || (data & _MASKED_BIT_DISABLE(GFX_RUN_LIST_ENABLE))) {
1726                 enable_execlist = !!(data & GFX_RUN_LIST_ENABLE);
1727 
1728                 gvt_dbg_core("EXECLIST %s on ring %d\n",
1729                                 (enable_execlist ? "enabling" : "disabling"),
1730                                 ring_id);
1731 
1732                 if (!enable_execlist)
1733                         return 0;
1734 
1735                 ret = intel_vgpu_select_submission_ops(vgpu,
1736                                BIT(ring_id),
1737                                INTEL_VGPU_EXECLIST_SUBMISSION);
1738                 if (ret)
1739                         return ret;
1740 
1741                 intel_vgpu_start_schedule(vgpu);
1742         }
1743         return 0;
1744 }
1745 
1746 static int gvt_reg_tlb_control_handler(struct intel_vgpu *vgpu,
1747                 unsigned int offset, void *p_data, unsigned int bytes)
1748 {
1749         unsigned int id = 0;
1750 
1751         write_vreg(vgpu, offset, p_data, bytes);
1752         vgpu_vreg(vgpu, offset) = 0;
1753 
1754         switch (offset) {
1755         case 0x4260:
1756                 id = RCS0;
1757                 break;
1758         case 0x4264:
1759                 id = VCS0;
1760                 break;
1761         case 0x4268:
1762                 id = VCS1;
1763                 break;
1764         case 0x426c:
1765                 id = BCS0;
1766                 break;
1767         case 0x4270:
1768                 id = VECS0;
1769                 break;
1770         default:
1771                 return -EINVAL;
1772         }
1773         set_bit(id, (void *)vgpu->submission.tlb_handle_pending);
1774 
1775         return 0;
1776 }
1777 
1778 static int ring_reset_ctl_write(struct intel_vgpu *vgpu,
1779         unsigned int offset, void *p_data, unsigned int bytes)
1780 {
1781         u32 data;
1782 
1783         write_vreg(vgpu, offset, p_data, bytes);
1784         data = vgpu_vreg(vgpu, offset);
1785 
1786         if (data & _MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET))
1787                 data |= RESET_CTL_READY_TO_RESET;
1788         else if (data & _MASKED_BIT_DISABLE(RESET_CTL_REQUEST_RESET))
1789                 data &= ~RESET_CTL_READY_TO_RESET;
1790 
1791         vgpu_vreg(vgpu, offset) = data;
1792         return 0;
1793 }
1794 
1795 static int csfe_chicken1_mmio_write(struct intel_vgpu *vgpu,
1796                                     unsigned int offset, void *p_data,
1797                                     unsigned int bytes)
1798 {
1799         u32 data = *(u32 *)p_data;
1800 
1801         (*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(0x18);
1802         write_vreg(vgpu, offset, p_data, bytes);
1803 
1804         if (data & _MASKED_BIT_ENABLE(0x10) || data & _MASKED_BIT_ENABLE(0x8))
1805                 enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
1806 
1807         return 0;
1808 }
1809 
1810 #define MMIO_F(reg, s, f, am, rm, d, r, w) do { \
1811         ret = new_mmio_info(gvt, i915_mmio_reg_offset(reg), \
1812                 f, s, am, rm, d, r, w); \
1813         if (ret) \
1814                 return ret; \
1815 } while (0)
1816 
1817 #define MMIO_D(reg, d) \
1818         MMIO_F(reg, 4, 0, 0, 0, d, NULL, NULL)
1819 
1820 #define MMIO_DH(reg, d, r, w) \
1821         MMIO_F(reg, 4, 0, 0, 0, d, r, w)
1822 
1823 #define MMIO_DFH(reg, d, f, r, w) \
1824         MMIO_F(reg, 4, f, 0, 0, d, r, w)
1825 
1826 #define MMIO_GM(reg, d, r, w) \
1827         MMIO_F(reg, 4, F_GMADR, 0xFFFFF000, 0, d, r, w)
1828 
1829 #define MMIO_GM_RDR(reg, d, r, w) \
1830         MMIO_F(reg, 4, F_GMADR | F_CMD_ACCESS, 0xFFFFF000, 0, d, r, w)
1831 
1832 #define MMIO_RO(reg, d, f, rm, r, w) \
1833         MMIO_F(reg, 4, F_RO | f, 0, rm, d, r, w)
1834 
1835 #define MMIO_RING_F(prefix, s, f, am, rm, d, r, w) do { \
1836         MMIO_F(prefix(RENDER_RING_BASE), s, f, am, rm, d, r, w); \
1837         MMIO_F(prefix(BLT_RING_BASE), s, f, am, rm, d, r, w); \
1838         MMIO_F(prefix(GEN6_BSD_RING_BASE), s, f, am, rm, d, r, w); \
1839         MMIO_F(prefix(VEBOX_RING_BASE), s, f, am, rm, d, r, w); \
1840         if (HAS_ENGINE(dev_priv, VCS1)) \
1841                 MMIO_F(prefix(GEN8_BSD2_RING_BASE), s, f, am, rm, d, r, w); \
1842 } while (0)
1843 
1844 #define MMIO_RING_D(prefix, d) \
1845         MMIO_RING_F(prefix, 4, 0, 0, 0, d, NULL, NULL)
1846 
1847 #define MMIO_RING_DFH(prefix, d, f, r, w) \
1848         MMIO_RING_F(prefix, 4, f, 0, 0, d, r, w)
1849 
1850 #define MMIO_RING_GM(prefix, d, r, w) \
1851         MMIO_RING_F(prefix, 4, F_GMADR, 0xFFFF0000, 0, d, r, w)
1852 
1853 #define MMIO_RING_GM_RDR(prefix, d, r, w) \
1854         MMIO_RING_F(prefix, 4, F_GMADR | F_CMD_ACCESS, 0xFFFF0000, 0, d, r, w)
1855 
1856 #define MMIO_RING_RO(prefix, d, f, rm, r, w) \
1857         MMIO_RING_F(prefix, 4, F_RO | f, 0, rm, d, r, w)
1858 
1859 static int init_generic_mmio_info(struct intel_gvt *gvt)
1860 {
1861         struct drm_i915_private *dev_priv = gvt->dev_priv;
1862         int ret;
1863 
1864         MMIO_RING_DFH(RING_IMR, D_ALL, F_CMD_ACCESS, NULL,
1865                 intel_vgpu_reg_imr_handler);
1866 
1867         MMIO_DFH(SDEIMR, D_ALL, 0, NULL, intel_vgpu_reg_imr_handler);
1868         MMIO_DFH(SDEIER, D_ALL, 0, NULL, intel_vgpu_reg_ier_handler);
1869         MMIO_DFH(SDEIIR, D_ALL, 0, NULL, intel_vgpu_reg_iir_handler);
1870         MMIO_D(SDEISR, D_ALL);
1871 
1872         MMIO_RING_DFH(RING_HWSTAM, D_ALL, F_CMD_ACCESS, NULL, NULL);
1873 
1874         MMIO_DH(GEN8_GAMW_ECO_DEV_RW_IA, D_BDW_PLUS, NULL,
1875                 gamw_echo_dev_rw_ia_write);
1876 
1877         MMIO_GM_RDR(BSD_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1878         MMIO_GM_RDR(BLT_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1879         MMIO_GM_RDR(VEBOX_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1880 
1881 #define RING_REG(base) _MMIO((base) + 0x28)
1882         MMIO_RING_DFH(RING_REG, D_ALL, F_CMD_ACCESS, NULL, NULL);
1883 #undef RING_REG
1884 
1885 #define RING_REG(base) _MMIO((base) + 0x134)
1886         MMIO_RING_DFH(RING_REG, D_ALL, F_CMD_ACCESS, NULL, NULL);
1887 #undef RING_REG
1888 
1889 #define RING_REG(base) _MMIO((base) + 0x6c)
1890         MMIO_RING_DFH(RING_REG, D_ALL, 0, mmio_read_from_hw, NULL);
1891 #undef RING_REG
1892         MMIO_DH(GEN7_SC_INSTDONE, D_BDW_PLUS, mmio_read_from_hw, NULL);
1893 
1894         MMIO_GM_RDR(_MMIO(0x2148), D_ALL, NULL, NULL);
1895         MMIO_GM_RDR(CCID(RENDER_RING_BASE), D_ALL, NULL, NULL);
1896         MMIO_GM_RDR(_MMIO(0x12198), D_ALL, NULL, NULL);
1897         MMIO_D(GEN7_CXT_SIZE, D_ALL);
1898 
1899         MMIO_RING_DFH(RING_TAIL, D_ALL, F_CMD_ACCESS, NULL, NULL);
1900         MMIO_RING_DFH(RING_HEAD, D_ALL, F_CMD_ACCESS, NULL, NULL);
1901         MMIO_RING_DFH(RING_CTL, D_ALL, F_CMD_ACCESS, NULL, NULL);
1902         MMIO_RING_DFH(RING_ACTHD, D_ALL, F_CMD_ACCESS, mmio_read_from_hw, NULL);
1903         MMIO_RING_GM_RDR(RING_START, D_ALL, NULL, NULL);
1904 
1905         /* RING MODE */
1906 #define RING_REG(base) _MMIO((base) + 0x29c)
1907         MMIO_RING_DFH(RING_REG, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL,
1908                 ring_mode_mmio_write);
1909 #undef RING_REG
1910 
1911         MMIO_RING_DFH(RING_MI_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1912                 NULL, NULL);
1913         MMIO_RING_DFH(RING_INSTPM, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1914                         NULL, NULL);
1915         MMIO_RING_DFH(RING_TIMESTAMP, D_ALL, F_CMD_ACCESS,
1916                         mmio_read_from_hw, NULL);
1917         MMIO_RING_DFH(RING_TIMESTAMP_UDW, D_ALL, F_CMD_ACCESS,
1918                         mmio_read_from_hw, NULL);
1919 
1920         MMIO_DFH(GEN7_GT_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1921         MMIO_DFH(CACHE_MODE_0_GEN7, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1922                 NULL, NULL);
1923         MMIO_DFH(CACHE_MODE_1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1924         MMIO_DFH(CACHE_MODE_0, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1925         MMIO_DFH(_MMIO(0x2124), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1926 
1927         MMIO_DFH(_MMIO(0x20dc), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1928         MMIO_DFH(_3D_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1929         MMIO_DFH(_MMIO(0x2088), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1930         MMIO_DFH(FF_SLICE_CS_CHICKEN2, D_ALL,
1931                  F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1932         MMIO_DFH(_MMIO(0x2470), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1933         MMIO_DFH(GAM_ECOCHK, D_ALL, F_CMD_ACCESS, NULL, NULL);
1934         MMIO_DFH(GEN7_COMMON_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1935                 NULL, NULL);
1936         MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1937                  NULL, NULL);
1938         MMIO_DFH(_MMIO(0x9030), D_ALL, F_CMD_ACCESS, NULL, NULL);
1939         MMIO_DFH(_MMIO(0x20a0), D_ALL, F_CMD_ACCESS, NULL, NULL);
1940         MMIO_DFH(_MMIO(0x2420), D_ALL, F_CMD_ACCESS, NULL, NULL);
1941         MMIO_DFH(_MMIO(0x2430), D_ALL, F_CMD_ACCESS, NULL, NULL);
1942         MMIO_DFH(_MMIO(0x2434), D_ALL, F_CMD_ACCESS, NULL, NULL);
1943         MMIO_DFH(_MMIO(0x2438), D_ALL, F_CMD_ACCESS, NULL, NULL);
1944         MMIO_DFH(_MMIO(0x243c), D_ALL, F_CMD_ACCESS, NULL, NULL);
1945         MMIO_DFH(_MMIO(0x7018), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1946         MMIO_DFH(HALF_SLICE_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1947         MMIO_DFH(GEN7_HALF_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1948 
1949         /* display */
1950         MMIO_F(_MMIO(0x60220), 0x20, 0, 0, 0, D_ALL, NULL, NULL);
1951         MMIO_D(_MMIO(0x602a0), D_ALL);
1952 
1953         MMIO_D(_MMIO(0x65050), D_ALL);
1954         MMIO_D(_MMIO(0x650b4), D_ALL);
1955 
1956         MMIO_D(_MMIO(0xc4040), D_ALL);
1957         MMIO_D(DERRMR, D_ALL);
1958 
1959         MMIO_D(PIPEDSL(PIPE_A), D_ALL);
1960         MMIO_D(PIPEDSL(PIPE_B), D_ALL);
1961         MMIO_D(PIPEDSL(PIPE_C), D_ALL);
1962         MMIO_D(PIPEDSL(_PIPE_EDP), D_ALL);
1963 
1964         MMIO_DH(PIPECONF(PIPE_A), D_ALL, NULL, pipeconf_mmio_write);
1965         MMIO_DH(PIPECONF(PIPE_B), D_ALL, NULL, pipeconf_mmio_write);
1966         MMIO_DH(PIPECONF(PIPE_C), D_ALL, NULL, pipeconf_mmio_write);
1967         MMIO_DH(PIPECONF(_PIPE_EDP), D_ALL, NULL, pipeconf_mmio_write);
1968 
1969         MMIO_D(PIPESTAT(PIPE_A), D_ALL);
1970         MMIO_D(PIPESTAT(PIPE_B), D_ALL);
1971         MMIO_D(PIPESTAT(PIPE_C), D_ALL);
1972         MMIO_D(PIPESTAT(_PIPE_EDP), D_ALL);
1973 
1974         MMIO_D(PIPE_FLIPCOUNT_G4X(PIPE_A), D_ALL);
1975         MMIO_D(PIPE_FLIPCOUNT_G4X(PIPE_B), D_ALL);
1976         MMIO_D(PIPE_FLIPCOUNT_G4X(PIPE_C), D_ALL);
1977         MMIO_D(PIPE_FLIPCOUNT_G4X(_PIPE_EDP), D_ALL);
1978 
1979         MMIO_D(PIPE_FRMCOUNT_G4X(PIPE_A), D_ALL);
1980         MMIO_D(PIPE_FRMCOUNT_G4X(PIPE_B), D_ALL);
1981         MMIO_D(PIPE_FRMCOUNT_G4X(PIPE_C), D_ALL);
1982         MMIO_D(PIPE_FRMCOUNT_G4X(_PIPE_EDP), D_ALL);
1983 
1984         MMIO_D(CURCNTR(PIPE_A), D_ALL);
1985         MMIO_D(CURCNTR(PIPE_B), D_ALL);
1986         MMIO_D(CURCNTR(PIPE_C), D_ALL);
1987 
1988         MMIO_D(CURPOS(PIPE_A), D_ALL);
1989         MMIO_D(CURPOS(PIPE_B), D_ALL);
1990         MMIO_D(CURPOS(PIPE_C), D_ALL);
1991 
1992         MMIO_D(CURBASE(PIPE_A), D_ALL);
1993         MMIO_D(CURBASE(PIPE_B), D_ALL);
1994         MMIO_D(CURBASE(PIPE_C), D_ALL);
1995 
1996         MMIO_D(CUR_FBC_CTL(PIPE_A), D_ALL);
1997         MMIO_D(CUR_FBC_CTL(PIPE_B), D_ALL);
1998         MMIO_D(CUR_FBC_CTL(PIPE_C), D_ALL);
1999 
2000         MMIO_D(_MMIO(0x700ac), D_ALL);
2001         MMIO_D(_MMIO(0x710ac), D_ALL);
2002         MMIO_D(_MMIO(0x720ac), D_ALL);
2003 
2004         MMIO_D(_MMIO(0x70090), D_ALL);
2005         MMIO_D(_MMIO(0x70094), D_ALL);
2006         MMIO_D(_MMIO(0x70098), D_ALL);
2007         MMIO_D(_MMIO(0x7009c), D_ALL);
2008 
2009         MMIO_D(DSPCNTR(PIPE_A), D_ALL);
2010         MMIO_D(DSPADDR(PIPE_A), D_ALL);
2011         MMIO_D(DSPSTRIDE(PIPE_A), D_ALL);
2012         MMIO_D(DSPPOS(PIPE_A), D_ALL);
2013         MMIO_D(DSPSIZE(PIPE_A), D_ALL);
2014         MMIO_DH(DSPSURF(PIPE_A), D_ALL, NULL, pri_surf_mmio_write);
2015         MMIO_D(DSPOFFSET(PIPE_A), D_ALL);
2016         MMIO_D(DSPSURFLIVE(PIPE_A), D_ALL);
2017         MMIO_DH(REG_50080(PIPE_A, PLANE_PRIMARY), D_ALL, NULL,
2018                 reg50080_mmio_write);
2019 
2020         MMIO_D(DSPCNTR(PIPE_B), D_ALL);
2021         MMIO_D(DSPADDR(PIPE_B), D_ALL);
2022         MMIO_D(DSPSTRIDE(PIPE_B), D_ALL);
2023         MMIO_D(DSPPOS(PIPE_B), D_ALL);
2024         MMIO_D(DSPSIZE(PIPE_B), D_ALL);
2025         MMIO_DH(DSPSURF(PIPE_B), D_ALL, NULL, pri_surf_mmio_write);
2026         MMIO_D(DSPOFFSET(PIPE_B), D_ALL);
2027         MMIO_D(DSPSURFLIVE(PIPE_B), D_ALL);
2028         MMIO_DH(REG_50080(PIPE_B, PLANE_PRIMARY), D_ALL, NULL,
2029                 reg50080_mmio_write);
2030 
2031         MMIO_D(DSPCNTR(PIPE_C), D_ALL);
2032         MMIO_D(DSPADDR(PIPE_C), D_ALL);
2033         MMIO_D(DSPSTRIDE(PIPE_C), D_ALL);
2034         MMIO_D(DSPPOS(PIPE_C), D_ALL);
2035         MMIO_D(DSPSIZE(PIPE_C), D_ALL);
2036         MMIO_DH(DSPSURF(PIPE_C), D_ALL, NULL, pri_surf_mmio_write);
2037         MMIO_D(DSPOFFSET(PIPE_C), D_ALL);
2038         MMIO_D(DSPSURFLIVE(PIPE_C), D_ALL);
2039         MMIO_DH(REG_50080(PIPE_C, PLANE_PRIMARY), D_ALL, NULL,
2040                 reg50080_mmio_write);
2041 
2042         MMIO_D(SPRCTL(PIPE_A), D_ALL);
2043         MMIO_D(SPRLINOFF(PIPE_A), D_ALL);
2044         MMIO_D(SPRSTRIDE(PIPE_A), D_ALL);
2045         MMIO_D(SPRPOS(PIPE_A), D_ALL);
2046         MMIO_D(SPRSIZE(PIPE_A), D_ALL);
2047         MMIO_D(SPRKEYVAL(PIPE_A), D_ALL);
2048         MMIO_D(SPRKEYMSK(PIPE_A), D_ALL);
2049         MMIO_DH(SPRSURF(PIPE_A), D_ALL, NULL, spr_surf_mmio_write);
2050         MMIO_D(SPRKEYMAX(PIPE_A), D_ALL);
2051         MMIO_D(SPROFFSET(PIPE_A), D_ALL);
2052         MMIO_D(SPRSCALE(PIPE_A), D_ALL);
2053         MMIO_D(SPRSURFLIVE(PIPE_A), D_ALL);
2054         MMIO_DH(REG_50080(PIPE_A, PLANE_SPRITE0), D_ALL, NULL,
2055                 reg50080_mmio_write);
2056 
2057         MMIO_D(SPRCTL(PIPE_B), D_ALL);
2058         MMIO_D(SPRLINOFF(PIPE_B), D_ALL);
2059         MMIO_D(SPRSTRIDE(PIPE_B), D_ALL);
2060         MMIO_D(SPRPOS(PIPE_B), D_ALL);
2061         MMIO_D(SPRSIZE(PIPE_B), D_ALL);
2062         MMIO_D(SPRKEYVAL(PIPE_B), D_ALL);
2063         MMIO_D(SPRKEYMSK(PIPE_B), D_ALL);
2064         MMIO_DH(SPRSURF(PIPE_B), D_ALL, NULL, spr_surf_mmio_write);
2065         MMIO_D(SPRKEYMAX(PIPE_B), D_ALL);
2066         MMIO_D(SPROFFSET(PIPE_B), D_ALL);
2067         MMIO_D(SPRSCALE(PIPE_B), D_ALL);
2068         MMIO_D(SPRSURFLIVE(PIPE_B), D_ALL);
2069         MMIO_DH(REG_50080(PIPE_B, PLANE_SPRITE0), D_ALL, NULL,
2070                 reg50080_mmio_write);
2071 
2072         MMIO_D(SPRCTL(PIPE_C), D_ALL);
2073         MMIO_D(SPRLINOFF(PIPE_C), D_ALL);
2074         MMIO_D(SPRSTRIDE(PIPE_C), D_ALL);
2075         MMIO_D(SPRPOS(PIPE_C), D_ALL);
2076         MMIO_D(SPRSIZE(PIPE_C), D_ALL);
2077         MMIO_D(SPRKEYVAL(PIPE_C), D_ALL);
2078         MMIO_D(SPRKEYMSK(PIPE_C), D_ALL);
2079         MMIO_DH(SPRSURF(PIPE_C), D_ALL, NULL, spr_surf_mmio_write);
2080         MMIO_D(SPRKEYMAX(PIPE_C), D_ALL);
2081         MMIO_D(SPROFFSET(PIPE_C), D_ALL);
2082         MMIO_D(SPRSCALE(PIPE_C), D_ALL);
2083         MMIO_D(SPRSURFLIVE(PIPE_C), D_ALL);
2084         MMIO_DH(REG_50080(PIPE_C, PLANE_SPRITE0), D_ALL, NULL,
2085                 reg50080_mmio_write);
2086 
2087         MMIO_D(HTOTAL(TRANSCODER_A), D_ALL);
2088         MMIO_D(HBLANK(TRANSCODER_A), D_ALL);
2089         MMIO_D(HSYNC(TRANSCODER_A), D_ALL);
2090         MMIO_D(VTOTAL(TRANSCODER_A), D_ALL);
2091         MMIO_D(VBLANK(TRANSCODER_A), D_ALL);
2092         MMIO_D(VSYNC(TRANSCODER_A), D_ALL);
2093         MMIO_D(BCLRPAT(TRANSCODER_A), D_ALL);
2094         MMIO_D(VSYNCSHIFT(TRANSCODER_A), D_ALL);
2095         MMIO_D(PIPESRC(TRANSCODER_A), D_ALL);
2096 
2097         MMIO_D(HTOTAL(TRANSCODER_B), D_ALL);
2098         MMIO_D(HBLANK(TRANSCODER_B), D_ALL);
2099         MMIO_D(HSYNC(TRANSCODER_B), D_ALL);
2100         MMIO_D(VTOTAL(TRANSCODER_B), D_ALL);
2101         MMIO_D(VBLANK(TRANSCODER_B), D_ALL);
2102         MMIO_D(VSYNC(TRANSCODER_B), D_ALL);
2103         MMIO_D(BCLRPAT(TRANSCODER_B), D_ALL);
2104         MMIO_D(VSYNCSHIFT(TRANSCODER_B), D_ALL);
2105         MMIO_D(PIPESRC(TRANSCODER_B), D_ALL);
2106 
2107         MMIO_D(HTOTAL(TRANSCODER_C), D_ALL);
2108         MMIO_D(HBLANK(TRANSCODER_C), D_ALL);
2109         MMIO_D(HSYNC(TRANSCODER_C), D_ALL);
2110         MMIO_D(VTOTAL(TRANSCODER_C), D_ALL);
2111         MMIO_D(VBLANK(TRANSCODER_C), D_ALL);
2112         MMIO_D(VSYNC(TRANSCODER_C), D_ALL);
2113         MMIO_D(BCLRPAT(TRANSCODER_C), D_ALL);
2114         MMIO_D(VSYNCSHIFT(TRANSCODER_C), D_ALL);
2115         MMIO_D(PIPESRC(TRANSCODER_C), D_ALL);
2116 
2117         MMIO_D(HTOTAL(TRANSCODER_EDP), D_ALL);
2118         MMIO_D(HBLANK(TRANSCODER_EDP), D_ALL);
2119         MMIO_D(HSYNC(TRANSCODER_EDP), D_ALL);
2120         MMIO_D(VTOTAL(TRANSCODER_EDP), D_ALL);
2121         MMIO_D(VBLANK(TRANSCODER_EDP), D_ALL);
2122         MMIO_D(VSYNC(TRANSCODER_EDP), D_ALL);
2123         MMIO_D(BCLRPAT(TRANSCODER_EDP), D_ALL);
2124         MMIO_D(VSYNCSHIFT(TRANSCODER_EDP), D_ALL);
2125 
2126         MMIO_D(PIPE_DATA_M1(TRANSCODER_A), D_ALL);
2127         MMIO_D(PIPE_DATA_N1(TRANSCODER_A), D_ALL);
2128         MMIO_D(PIPE_DATA_M2(TRANSCODER_A), D_ALL);
2129         MMIO_D(PIPE_DATA_N2(TRANSCODER_A), D_ALL);
2130         MMIO_D(PIPE_LINK_M1(TRANSCODER_A), D_ALL);
2131         MMIO_D(PIPE_LINK_N1(TRANSCODER_A), D_ALL);
2132         MMIO_D(PIPE_LINK_M2(TRANSCODER_A), D_ALL);
2133         MMIO_D(PIPE_LINK_N2(TRANSCODER_A), D_ALL);
2134 
2135         MMIO_D(PIPE_DATA_M1(TRANSCODER_B), D_ALL);
2136         MMIO_D(PIPE_DATA_N1(TRANSCODER_B), D_ALL);
2137         MMIO_D(PIPE_DATA_M2(TRANSCODER_B), D_ALL);
2138         MMIO_D(PIPE_DATA_N2(TRANSCODER_B), D_ALL);
2139         MMIO_D(PIPE_LINK_M1(TRANSCODER_B), D_ALL);
2140         MMIO_D(PIPE_LINK_N1(TRANSCODER_B), D_ALL);
2141         MMIO_D(PIPE_LINK_M2(TRANSCODER_B), D_ALL);
2142         MMIO_D(PIPE_LINK_N2(TRANSCODER_B), D_ALL);
2143 
2144         MMIO_D(PIPE_DATA_M1(TRANSCODER_C), D_ALL);
2145         MMIO_D(PIPE_DATA_N1(TRANSCODER_C), D_ALL);
2146         MMIO_D(PIPE_DATA_M2(TRANSCODER_C), D_ALL);
2147         MMIO_D(PIPE_DATA_N2(TRANSCODER_C), D_ALL);
2148         MMIO_D(PIPE_LINK_M1(TRANSCODER_C), D_ALL);
2149         MMIO_D(PIPE_LINK_N1(TRANSCODER_C), D_ALL);
2150         MMIO_D(PIPE_LINK_M2(TRANSCODER_C), D_ALL);
2151         MMIO_D(PIPE_LINK_N2(TRANSCODER_C), D_ALL);
2152 
2153         MMIO_D(PIPE_DATA_M1(TRANSCODER_EDP), D_ALL);
2154         MMIO_D(PIPE_DATA_N1(TRANSCODER_EDP), D_ALL);
2155         MMIO_D(PIPE_DATA_M2(TRANSCODER_EDP), D_ALL);
2156         MMIO_D(PIPE_DATA_N2(TRANSCODER_EDP), D_ALL);
2157         MMIO_D(PIPE_LINK_M1(TRANSCODER_EDP), D_ALL);
2158         MMIO_D(PIPE_LINK_N1(TRANSCODER_EDP), D_ALL);
2159         MMIO_D(PIPE_LINK_M2(TRANSCODER_EDP), D_ALL);
2160         MMIO_D(PIPE_LINK_N2(TRANSCODER_EDP), D_ALL);
2161 
2162         MMIO_D(PF_CTL(PIPE_A), D_ALL);
2163         MMIO_D(PF_WIN_SZ(PIPE_A), D_ALL);
2164         MMIO_D(PF_WIN_POS(PIPE_A), D_ALL);
2165         MMIO_D(PF_VSCALE(PIPE_A), D_ALL);
2166         MMIO_D(PF_HSCALE(PIPE_A), D_ALL);
2167 
2168         MMIO_D(PF_CTL(PIPE_B), D_ALL);
2169         MMIO_D(PF_WIN_SZ(PIPE_B), D_ALL);
2170         MMIO_D(PF_WIN_POS(PIPE_B), D_ALL);
2171         MMIO_D(PF_VSCALE(PIPE_B), D_ALL);
2172         MMIO_D(PF_HSCALE(PIPE_B), D_ALL);
2173 
2174         MMIO_D(PF_CTL(PIPE_C), D_ALL);
2175         MMIO_D(PF_WIN_SZ(PIPE_C), D_ALL);
2176         MMIO_D(PF_WIN_POS(PIPE_C), D_ALL);
2177         MMIO_D(PF_VSCALE(PIPE_C), D_ALL);
2178         MMIO_D(PF_HSCALE(PIPE_C), D_ALL);
2179 
2180         MMIO_D(WM0_PIPEA_ILK, D_ALL);
2181         MMIO_D(WM0_PIPEB_ILK, D_ALL);
2182         MMIO_D(WM0_PIPEC_IVB, D_ALL);
2183         MMIO_D(WM1_LP_ILK, D_ALL);
2184         MMIO_D(WM2_LP_ILK, D_ALL);
2185         MMIO_D(WM3_LP_ILK, D_ALL);
2186         MMIO_D(WM1S_LP_ILK, D_ALL);
2187         MMIO_D(WM2S_LP_IVB, D_ALL);
2188         MMIO_D(WM3S_LP_IVB, D_ALL);
2189 
2190         MMIO_D(BLC_PWM_CPU_CTL2, D_ALL);
2191         MMIO_D(BLC_PWM_CPU_CTL, D_ALL);
2192         MMIO_D(BLC_PWM_PCH_CTL1, D_ALL);
2193         MMIO_D(BLC_PWM_PCH_CTL2, D_ALL);
2194 
2195         MMIO_D(_MMIO(0x48268), D_ALL);
2196 
2197         MMIO_F(PCH_GMBUS0, 4 * 4, 0, 0, 0, D_ALL, gmbus_mmio_read,
2198                 gmbus_mmio_write);
2199         MMIO_F(PCH_GPIO_BASE, 6 * 4, F_UNALIGN, 0, 0, D_ALL, NULL, NULL);
2200         MMIO_F(_MMIO(0xe4f00), 0x28, 0, 0, 0, D_ALL, NULL, NULL);
2201 
2202         MMIO_F(_MMIO(_PCH_DPB_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
2203                 dp_aux_ch_ctl_mmio_write);
2204         MMIO_F(_MMIO(_PCH_DPC_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
2205                 dp_aux_ch_ctl_mmio_write);
2206         MMIO_F(_MMIO(_PCH_DPD_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
2207                 dp_aux_ch_ctl_mmio_write);
2208 
2209         MMIO_DH(PCH_ADPA, D_PRE_SKL, NULL, pch_adpa_mmio_write);
2210 
2211         MMIO_DH(_MMIO(_PCH_TRANSACONF), D_ALL, NULL, transconf_mmio_write);
2212         MMIO_DH(_MMIO(_PCH_TRANSBCONF), D_ALL, NULL, transconf_mmio_write);
2213 
2214         MMIO_DH(FDI_RX_IIR(PIPE_A), D_ALL, NULL, fdi_rx_iir_mmio_write);
2215         MMIO_DH(FDI_RX_IIR(PIPE_B), D_ALL, NULL, fdi_rx_iir_mmio_write);
2216         MMIO_DH(FDI_RX_IIR(PIPE_C), D_ALL, NULL, fdi_rx_iir_mmio_write);
2217         MMIO_DH(FDI_RX_IMR(PIPE_A), D_ALL, NULL, update_fdi_rx_iir_status);
2218         MMIO_DH(FDI_RX_IMR(PIPE_B), D_ALL, NULL, update_fdi_rx_iir_status);
2219         MMIO_DH(FDI_RX_IMR(PIPE_C), D_ALL, NULL, update_fdi_rx_iir_status);
2220         MMIO_DH(FDI_RX_CTL(PIPE_A), D_ALL, NULL, update_fdi_rx_iir_status);
2221         MMIO_DH(FDI_RX_CTL(PIPE_B), D_ALL, NULL, update_fdi_rx_iir_status);
2222         MMIO_DH(FDI_RX_CTL(PIPE_C), D_ALL, NULL, update_fdi_rx_iir_status);
2223 
2224         MMIO_D(_MMIO(_PCH_TRANS_HTOTAL_A), D_ALL);
2225         MMIO_D(_MMIO(_PCH_TRANS_HBLANK_A), D_ALL);
2226         MMIO_D(_MMIO(_PCH_TRANS_HSYNC_A), D_ALL);
2227         MMIO_D(_MMIO(_PCH_TRANS_VTOTAL_A), D_ALL);
2228         MMIO_D(_MMIO(_PCH_TRANS_VBLANK_A), D_ALL);
2229         MMIO_D(_MMIO(_PCH_TRANS_VSYNC_A), D_ALL);
2230         MMIO_D(_MMIO(_PCH_TRANS_VSYNCSHIFT_A), D_ALL);
2231 
2232         MMIO_D(_MMIO(_PCH_TRANS_HTOTAL_B), D_ALL);
2233         MMIO_D(_MMIO(_PCH_TRANS_HBLANK_B), D_ALL);
2234         MMIO_D(_MMIO(_PCH_TRANS_HSYNC_B), D_ALL);
2235         MMIO_D(_MMIO(_PCH_TRANS_VTOTAL_B), D_ALL);
2236         MMIO_D(_MMIO(_PCH_TRANS_VBLANK_B), D_ALL);
2237         MMIO_D(_MMIO(_PCH_TRANS_VSYNC_B), D_ALL);
2238         MMIO_D(_MMIO(_PCH_TRANS_VSYNCSHIFT_B), D_ALL);
2239 
2240         MMIO_D(_MMIO(_PCH_TRANSA_DATA_M1), D_ALL);
2241         MMIO_D(_MMIO(_PCH_TRANSA_DATA_N1), D_ALL);
2242         MMIO_D(_MMIO(_PCH_TRANSA_DATA_M2), D_ALL);
2243         MMIO_D(_MMIO(_PCH_TRANSA_DATA_N2), D_ALL);
2244         MMIO_D(_MMIO(_PCH_TRANSA_LINK_M1), D_ALL);
2245         MMIO_D(_MMIO(_PCH_TRANSA_LINK_N1), D_ALL);
2246         MMIO_D(_MMIO(_PCH_TRANSA_LINK_M2), D_ALL);
2247         MMIO_D(_MMIO(_PCH_TRANSA_LINK_N2), D_ALL);
2248 
2249         MMIO_D(TRANS_DP_CTL(PIPE_A), D_ALL);
2250         MMIO_D(TRANS_DP_CTL(PIPE_B), D_ALL);
2251         MMIO_D(TRANS_DP_CTL(PIPE_C), D_ALL);
2252 
2253         MMIO_D(TVIDEO_DIP_CTL(PIPE_A), D_ALL);
2254         MMIO_D(TVIDEO_DIP_DATA(PIPE_A), D_ALL);
2255         MMIO_D(TVIDEO_DIP_GCP(PIPE_A), D_ALL);
2256 
2257         MMIO_D(TVIDEO_DIP_CTL(PIPE_B), D_ALL);
2258         MMIO_D(TVIDEO_DIP_DATA(PIPE_B), D_ALL);
2259         MMIO_D(TVIDEO_DIP_GCP(PIPE_B), D_ALL);
2260 
2261         MMIO_D(TVIDEO_DIP_CTL(PIPE_C), D_ALL);
2262         MMIO_D(TVIDEO_DIP_DATA(PIPE_C), D_ALL);
2263         MMIO_D(TVIDEO_DIP_GCP(PIPE_C), D_ALL);
2264 
2265         MMIO_D(_MMIO(_FDI_RXA_MISC), D_ALL);
2266         MMIO_D(_MMIO(_FDI_RXB_MISC), D_ALL);
2267         MMIO_D(_MMIO(_FDI_RXA_TUSIZE1), D_ALL);
2268         MMIO_D(_MMIO(_FDI_RXA_TUSIZE2), D_ALL);
2269         MMIO_D(_MMIO(_FDI_RXB_TUSIZE1), D_ALL);
2270         MMIO_D(_MMIO(_FDI_RXB_TUSIZE2), D_ALL);
2271 
2272         MMIO_DH(PCH_PP_CONTROL, D_ALL, NULL, pch_pp_control_mmio_write);
2273         MMIO_D(PCH_PP_DIVISOR, D_ALL);
2274         MMIO_D(PCH_PP_STATUS,  D_ALL);
2275         MMIO_D(PCH_LVDS, D_ALL);
2276         MMIO_D(_MMIO(_PCH_DPLL_A), D_ALL);
2277         MMIO_D(_MMIO(_PCH_DPLL_B), D_ALL);
2278         MMIO_D(_MMIO(_PCH_FPA0), D_ALL);
2279         MMIO_D(_MMIO(_PCH_FPA1), D_ALL);
2280         MMIO_D(_MMIO(_PCH_FPB0), D_ALL);
2281         MMIO_D(_MMIO(_PCH_FPB1), D_ALL);
2282         MMIO_D(PCH_DREF_CONTROL, D_ALL);
2283         MMIO_D(PCH_RAWCLK_FREQ, D_ALL);
2284         MMIO_D(PCH_DPLL_SEL, D_ALL);
2285 
2286         MMIO_D(_MMIO(0x61208), D_ALL);
2287         MMIO_D(_MMIO(0x6120c), D_ALL);
2288         MMIO_D(PCH_PP_ON_DELAYS, D_ALL);
2289         MMIO_D(PCH_PP_OFF_DELAYS, D_ALL);
2290 
2291         MMIO_DH(_MMIO(0xe651c), D_ALL, dpy_reg_mmio_read, NULL);
2292         MMIO_DH(_MMIO(0xe661c), D_ALL, dpy_reg_mmio_read, NULL);
2293         MMIO_DH(_MMIO(0xe671c), D_ALL, dpy_reg_mmio_read, NULL);
2294         MMIO_DH(_MMIO(0xe681c), D_ALL, dpy_reg_mmio_read, NULL);
2295         MMIO_DH(_MMIO(0xe6c04), D_ALL, dpy_reg_mmio_read, NULL);
2296         MMIO_DH(_MMIO(0xe6e1c), D_ALL, dpy_reg_mmio_read, NULL);
2297 
2298         MMIO_RO(PCH_PORT_HOTPLUG, D_ALL, 0,
2299                 PORTA_HOTPLUG_STATUS_MASK
2300                 | PORTB_HOTPLUG_STATUS_MASK
2301                 | PORTC_HOTPLUG_STATUS_MASK
2302                 | PORTD_HOTPLUG_STATUS_MASK,
2303                 NULL, NULL);
2304 
2305         MMIO_DH(LCPLL_CTL, D_ALL, NULL, lcpll_ctl_mmio_write);
2306         MMIO_D(FUSE_STRAP, D_ALL);
2307         MMIO_D(DIGITAL_PORT_HOTPLUG_CNTRL, D_ALL);
2308 
2309         MMIO_D(DISP_ARB_CTL, D_ALL);
2310         MMIO_D(DISP_ARB_CTL2, D_ALL);
2311 
2312         MMIO_D(ILK_DISPLAY_CHICKEN1, D_ALL);
2313         MMIO_D(ILK_DISPLAY_CHICKEN2, D_ALL);
2314         MMIO_D(ILK_DSPCLK_GATE_D, D_ALL);
2315 
2316         MMIO_D(SOUTH_CHICKEN1, D_ALL);
2317         MMIO_DH(SOUTH_CHICKEN2, D_ALL, NULL, south_chicken2_mmio_write);
2318         MMIO_D(_MMIO(_TRANSA_CHICKEN1), D_ALL);
2319         MMIO_D(_MMIO(_TRANSB_CHICKEN1), D_ALL);
2320         MMIO_D(SOUTH_DSPCLK_GATE_D, D_ALL);
2321         MMIO_D(_MMIO(_TRANSA_CHICKEN2), D_ALL);
2322         MMIO_D(_MMIO(_TRANSB_CHICKEN2), D_ALL);
2323 
2324         MMIO_D(ILK_DPFC_CB_BASE, D_ALL);
2325         MMIO_D(ILK_DPFC_CONTROL, D_ALL);
2326         MMIO_D(ILK_DPFC_RECOMP_CTL, D_ALL);
2327         MMIO_D(ILK_DPFC_STATUS, D_ALL);
2328         MMIO_D(ILK_DPFC_FENCE_YOFF, D_ALL);
2329         MMIO_D(ILK_DPFC_CHICKEN, D_ALL);
2330         MMIO_D(ILK_FBC_RT_BASE, D_ALL);
2331 
2332         MMIO_D(IPS_CTL, D_ALL);
2333 
2334         MMIO_D(PIPE_CSC_COEFF_RY_GY(PIPE_A), D_ALL);
2335         MMIO_D(PIPE_CSC_COEFF_BY(PIPE_A), D_ALL);
2336         MMIO_D(PIPE_CSC_COEFF_RU_GU(PIPE_A), D_ALL);
2337         MMIO_D(PIPE_CSC_COEFF_BU(PIPE_A), D_ALL);
2338         MMIO_D(PIPE_CSC_COEFF_RV_GV(PIPE_A), D_ALL);
2339         MMIO_D(PIPE_CSC_COEFF_BV(PIPE_A), D_ALL);
2340         MMIO_D(PIPE_CSC_MODE(PIPE_A), D_ALL);
2341         MMIO_D(PIPE_CSC_PREOFF_HI(PIPE_A), D_ALL);
2342         MMIO_D(PIPE_CSC_PREOFF_ME(PIPE_A), D_ALL);
2343         MMIO_D(PIPE_CSC_PREOFF_LO(PIPE_A), D_ALL);
2344         MMIO_D(PIPE_CSC_POSTOFF_HI(PIPE_A), D_ALL);
2345         MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_A), D_ALL);
2346         MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_A), D_ALL);
2347 
2348         MMIO_D(PIPE_CSC_COEFF_RY_GY(PIPE_B), D_ALL);
2349         MMIO_D(PIPE_CSC_COEFF_BY(PIPE_B), D_ALL);
2350         MMIO_D(PIPE_CSC_COEFF_RU_GU(PIPE_B), D_ALL);
2351         MMIO_D(PIPE_CSC_COEFF_BU(PIPE_B), D_ALL);
2352         MMIO_D(PIPE_CSC_COEFF_RV_GV(PIPE_B), D_ALL);
2353         MMIO_D(PIPE_CSC_COEFF_BV(PIPE_B), D_ALL);
2354         MMIO_D(PIPE_CSC_MODE(PIPE_B), D_ALL);
2355         MMIO_D(PIPE_CSC_PREOFF_HI(PIPE_B), D_ALL);
2356         MMIO_D(PIPE_CSC_PREOFF_ME(PIPE_B), D_ALL);
2357         MMIO_D(PIPE_CSC_PREOFF_LO(PIPE_B), D_ALL);
2358         MMIO_D(PIPE_CSC_POSTOFF_HI(PIPE_B), D_ALL);
2359         MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_B), D_ALL);
2360         MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_B), D_ALL);
2361 
2362         MMIO_D(PIPE_CSC_COEFF_RY_GY(PIPE_C), D_ALL);
2363         MMIO_D(PIPE_CSC_COEFF_BY(PIPE_C), D_ALL);
2364         MMIO_D(PIPE_CSC_COEFF_RU_GU(PIPE_C), D_ALL);
2365         MMIO_D(PIPE_CSC_COEFF_BU(PIPE_C), D_ALL);
2366         MMIO_D(PIPE_CSC_COEFF_RV_GV(PIPE_C), D_ALL);
2367         MMIO_D(PIPE_CSC_COEFF_BV(PIPE_C), D_ALL);
2368         MMIO_D(PIPE_CSC_MODE(PIPE_C), D_ALL);
2369         MMIO_D(PIPE_CSC_PREOFF_HI(PIPE_C), D_ALL);
2370         MMIO_D(PIPE_CSC_PREOFF_ME(PIPE_C), D_ALL);
2371         MMIO_D(PIPE_CSC_PREOFF_LO(PIPE_C), D_ALL);
2372         MMIO_D(PIPE_CSC_POSTOFF_HI(PIPE_C), D_ALL);
2373         MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_C), D_ALL);
2374         MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_C), D_ALL);
2375 
2376         MMIO_D(PREC_PAL_INDEX(PIPE_A), D_ALL);
2377         MMIO_D(PREC_PAL_DATA(PIPE_A), D_ALL);
2378         MMIO_F(PREC_PAL_GC_MAX(PIPE_A, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
2379 
2380         MMIO_D(PREC_PAL_INDEX(PIPE_B), D_ALL);
2381         MMIO_D(PREC_PAL_DATA(PIPE_B), D_ALL);
2382         MMIO_F(PREC_PAL_GC_MAX(PIPE_B, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
2383 
2384         MMIO_D(PREC_PAL_INDEX(PIPE_C), D_ALL);
2385         MMIO_D(PREC_PAL_DATA(PIPE_C), D_ALL);
2386         MMIO_F(PREC_PAL_GC_MAX(PIPE_C, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
2387 
2388         MMIO_D(_MMIO(0x60110), D_ALL);
2389         MMIO_D(_MMIO(0x61110), D_ALL);
2390         MMIO_F(_MMIO(0x70400), 0x40, 0, 0, 0, D_ALL, NULL, NULL);
2391         MMIO_F(_MMIO(0x71400), 0x40, 0, 0, 0, D_ALL, NULL, NULL);
2392         MMIO_F(_MMIO(0x72400), 0x40, 0, 0, 0, D_ALL, NULL, NULL);
2393         MMIO_F(_MMIO(0x70440), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2394         MMIO_F(_MMIO(0x71440), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2395         MMIO_F(_MMIO(0x72440), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2396         MMIO_F(_MMIO(0x7044c), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2397         MMIO_F(_MMIO(0x7144c), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2398         MMIO_F(_MMIO(0x7244c), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2399 
2400         MMIO_D(PIPE_WM_LINETIME(PIPE_A), D_ALL);
2401         MMIO_D(PIPE_WM_LINETIME(PIPE_B), D_ALL);
2402         MMIO_D(PIPE_WM_LINETIME(PIPE_C), D_ALL);
2403         MMIO_D(SPLL_CTL, D_ALL);
2404         MMIO_D(_MMIO(_WRPLL_CTL1), D_ALL);
2405         MMIO_D(_MMIO(_WRPLL_CTL2), D_ALL);
2406         MMIO_D(PORT_CLK_SEL(PORT_A), D_ALL);
2407         MMIO_D(PORT_CLK_SEL(PORT_B), D_ALL);
2408         MMIO_D(PORT_CLK_SEL(PORT_C), D_ALL);
2409         MMIO_D(PORT_CLK_SEL(PORT_D), D_ALL);
2410         MMIO_D(PORT_CLK_SEL(PORT_E), D_ALL);
2411         MMIO_D(TRANS_CLK_SEL(TRANSCODER_A), D_ALL);
2412         MMIO_D(TRANS_CLK_SEL(TRANSCODER_B), D_ALL);
2413         MMIO_D(TRANS_CLK_SEL(TRANSCODER_C), D_ALL);
2414 
2415         MMIO_D(HSW_NDE_RSTWRN_OPT, D_ALL);
2416         MMIO_D(_MMIO(0x46508), D_ALL);
2417 
2418         MMIO_D(_MMIO(0x49080), D_ALL);
2419         MMIO_D(_MMIO(0x49180), D_ALL);
2420         MMIO_D(_MMIO(0x49280), D_ALL);
2421 
2422         MMIO_F(_MMIO(0x49090), 0x14, 0, 0, 0, D_ALL, NULL, NULL);
2423         MMIO_F(_MMIO(0x49190), 0x14, 0, 0, 0, D_ALL, NULL, NULL);
2424         MMIO_F(_MMIO(0x49290), 0x14, 0, 0, 0, D_ALL, NULL, NULL);
2425 
2426         MMIO_D(GAMMA_MODE(PIPE_A), D_ALL);
2427         MMIO_D(GAMMA_MODE(PIPE_B), D_ALL);
2428         MMIO_D(GAMMA_MODE(PIPE_C), D_ALL);
2429 
2430         MMIO_D(PIPE_MULT(PIPE_A), D_ALL);
2431         MMIO_D(PIPE_MULT(PIPE_B), D_ALL);
2432         MMIO_D(PIPE_MULT(PIPE_C), D_ALL);
2433 
2434         MMIO_D(HSW_TVIDEO_DIP_CTL(TRANSCODER_A), D_ALL);
2435         MMIO_D(HSW_TVIDEO_DIP_CTL(TRANSCODER_B), D_ALL);
2436         MMIO_D(HSW_TVIDEO_DIP_CTL(TRANSCODER_C), D_ALL);
2437 
2438         MMIO_DH(SFUSE_STRAP, D_ALL, NULL, NULL);
2439         MMIO_D(SBI_ADDR, D_ALL);
2440         MMIO_DH(SBI_DATA, D_ALL, sbi_data_mmio_read, NULL);
2441         MMIO_DH(SBI_CTL_STAT, D_ALL, NULL, sbi_ctl_mmio_write);
2442         MMIO_D(PIXCLK_GATE, D_ALL);
2443 
2444         MMIO_F(_MMIO(_DPA_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_ALL, NULL,
2445                 dp_aux_ch_ctl_mmio_write);
2446 
2447         MMIO_DH(DDI_BUF_CTL(PORT_A), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2448         MMIO_DH(DDI_BUF_CTL(PORT_B), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2449         MMIO_DH(DDI_BUF_CTL(PORT_C), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2450         MMIO_DH(DDI_BUF_CTL(PORT_D), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2451         MMIO_DH(DDI_BUF_CTL(PORT_E), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2452 
2453         MMIO_DH(DP_TP_CTL(PORT_A), D_ALL, NULL, dp_tp_ctl_mmio_write);
2454         MMIO_DH(DP_TP_CTL(PORT_B), D_ALL, NULL, dp_tp_ctl_mmio_write);
2455         MMIO_DH(DP_TP_CTL(PORT_C), D_ALL, NULL, dp_tp_ctl_mmio_write);
2456         MMIO_DH(DP_TP_CTL(PORT_D), D_ALL, NULL, dp_tp_ctl_mmio_write);
2457         MMIO_DH(DP_TP_CTL(PORT_E), D_ALL, NULL, dp_tp_ctl_mmio_write);
2458 
2459         MMIO_DH(DP_TP_STATUS(PORT_A), D_ALL, NULL, dp_tp_status_mmio_write);
2460         MMIO_DH(DP_TP_STATUS(PORT_B), D_ALL, NULL, dp_tp_status_mmio_write);
2461         MMIO_DH(DP_TP_STATUS(PORT_C), D_ALL, NULL, dp_tp_status_mmio_write);
2462         MMIO_DH(DP_TP_STATUS(PORT_D), D_ALL, NULL, dp_tp_status_mmio_write);
2463         MMIO_DH(DP_TP_STATUS(PORT_E), D_ALL, NULL, NULL);
2464 
2465         MMIO_F(_MMIO(_DDI_BUF_TRANS_A), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2466         MMIO_F(_MMIO(0x64e60), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2467         MMIO_F(_MMIO(0x64eC0), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2468         MMIO_F(_MMIO(0x64f20), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2469         MMIO_F(_MMIO(0x64f80), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2470 
2471         MMIO_D(HSW_AUD_CFG(PIPE_A), D_ALL);
2472         MMIO_D(HSW_AUD_PIN_ELD_CP_VLD, D_ALL);
2473         MMIO_D(HSW_AUD_MISC_CTRL(PIPE_A), D_ALL);
2474 
2475         MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_A), D_ALL, NULL, NULL);
2476         MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_B), D_ALL, NULL, NULL);
2477         MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_C), D_ALL, NULL, NULL);
2478         MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_EDP), D_ALL, NULL, NULL);
2479 
2480         MMIO_D(_MMIO(_TRANSA_MSA_MISC), D_ALL);
2481         MMIO_D(_MMIO(_TRANSB_MSA_MISC), D_ALL);
2482         MMIO_D(_MMIO(_TRANSC_MSA_MISC), D_ALL);
2483         MMIO_D(_MMIO(_TRANS_EDP_MSA_MISC), D_ALL);
2484 
2485         MMIO_DH(FORCEWAKE, D_ALL, NULL, NULL);
2486         MMIO_D(FORCEWAKE_ACK, D_ALL);
2487         MMIO_D(GEN6_GT_CORE_STATUS, D_ALL);
2488         MMIO_D(GEN6_GT_THREAD_STATUS_REG, D_ALL);
2489         MMIO_DFH(GTFIFODBG, D_ALL, F_CMD_ACCESS, NULL, NULL);
2490         MMIO_DFH(GTFIFOCTL, D_ALL, F_CMD_ACCESS, NULL, NULL);
2491         MMIO_DH(FORCEWAKE_MT, D_PRE_SKL, NULL, mul_force_wake_write);
2492         MMIO_DH(FORCEWAKE_ACK_HSW, D_BDW, NULL, NULL);
2493         MMIO_D(ECOBUS, D_ALL);
2494         MMIO_DH(GEN6_RC_CONTROL, D_ALL, NULL, NULL);
2495         MMIO_DH(GEN6_RC_STATE, D_ALL, NULL, NULL);
2496         MMIO_D(GEN6_RPNSWREQ, D_ALL);
2497         MMIO_D(GEN6_RC_VIDEO_FREQ, D_ALL);
2498         MMIO_D(GEN6_RP_DOWN_TIMEOUT, D_ALL);
2499         MMIO_D(GEN6_RP_INTERRUPT_LIMITS, D_ALL);
2500         MMIO_D(GEN6_RPSTAT1, D_ALL);
2501         MMIO_D(GEN6_RP_CONTROL, D_ALL);
2502         MMIO_D(GEN6_RP_UP_THRESHOLD, D_ALL);
2503         MMIO_D(GEN6_RP_DOWN_THRESHOLD, D_ALL);
2504         MMIO_D(GEN6_RP_CUR_UP_EI, D_ALL);
2505         MMIO_D(GEN6_RP_CUR_UP, D_ALL);
2506         MMIO_D(GEN6_RP_PREV_UP, D_ALL);
2507         MMIO_D(GEN6_RP_CUR_DOWN_EI, D_ALL);
2508         MMIO_D(GEN6_RP_CUR_DOWN, D_ALL);
2509         MMIO_D(GEN6_RP_PREV_DOWN, D_ALL);
2510         MMIO_D(GEN6_RP_UP_EI, D_ALL);
2511         MMIO_D(GEN6_RP_DOWN_EI, D_ALL);
2512         MMIO_D(GEN6_RP_IDLE_HYSTERSIS, D_ALL);
2513         MMIO_D(GEN6_RC1_WAKE_RATE_LIMIT, D_ALL);
2514         MMIO_D(GEN6_RC6_WAKE_RATE_LIMIT, D_ALL);
2515         MMIO_D(GEN6_RC6pp_WAKE_RATE_LIMIT, D_ALL);
2516         MMIO_D(GEN6_RC_EVALUATION_INTERVAL, D_ALL);
2517         MMIO_D(GEN6_RC_IDLE_HYSTERSIS, D_ALL);
2518         MMIO_D(GEN6_RC_SLEEP, D_ALL);
2519         MMIO_D(GEN6_RC1e_THRESHOLD, D_ALL);
2520         MMIO_D(GEN6_RC6_THRESHOLD, D_ALL);
2521         MMIO_D(GEN6_RC6p_THRESHOLD, D_ALL);
2522         MMIO_D(GEN6_RC6pp_THRESHOLD, D_ALL);
2523         MMIO_D(GEN6_PMINTRMSK, D_ALL);
2524         MMIO_DH(HSW_PWR_WELL_CTL1, D_BDW, NULL, power_well_ctl_mmio_write);
2525         MMIO_DH(HSW_PWR_WELL_CTL2, D_BDW, NULL, power_well_ctl_mmio_write);
2526         MMIO_DH(HSW_PWR_WELL_CTL3, D_BDW, NULL, power_well_ctl_mmio_write);
2527         MMIO_DH(HSW_PWR_WELL_CTL4, D_BDW, NULL, power_well_ctl_mmio_write);
2528         MMIO_DH(HSW_PWR_WELL_CTL5, D_BDW, NULL, power_well_ctl_mmio_write);
2529         MMIO_DH(HSW_PWR_WELL_CTL6, D_BDW, NULL, power_well_ctl_mmio_write);
2530 
2531         MMIO_D(RSTDBYCTL, D_ALL);
2532 
2533         MMIO_DH(GEN6_GDRST, D_ALL, NULL, gdrst_mmio_write);
2534         MMIO_F(FENCE_REG_GEN6_LO(0), 0x80, 0, 0, 0, D_ALL, fence_mmio_read, fence_mmio_write);
2535         MMIO_DH(CPU_VGACNTRL, D_ALL, NULL, vga_control_mmio_write);
2536 
2537         MMIO_D(TILECTL, D_ALL);
2538 
2539         MMIO_D(GEN6_UCGCTL1, D_ALL);
2540         MMIO_D(GEN6_UCGCTL2, D_ALL);
2541 
2542         MMIO_F(_MMIO(0x4f000), 0x90, 0, 0, 0, D_ALL, NULL, NULL);
2543 
2544         MMIO_D(GEN6_PCODE_DATA, D_ALL);
2545         MMIO_D(_MMIO(0x13812c), D_ALL);
2546         MMIO_DH(GEN7_ERR_INT, D_ALL, NULL, NULL);
2547         MMIO_D(HSW_EDRAM_CAP, D_ALL);
2548         MMIO_D(HSW_IDICR, D_ALL);
2549         MMIO_DH(GFX_FLSH_CNTL_GEN6, D_ALL, NULL, NULL);
2550 
2551         MMIO_D(_MMIO(0x3c), D_ALL);
2552         MMIO_D(_MMIO(0x860), D_ALL);
2553         MMIO_D(ECOSKPD, D_ALL);
2554         MMIO_D(_MMIO(0x121d0), D_ALL);
2555         MMIO_D(GEN6_BLITTER_ECOSKPD, D_ALL);
2556         MMIO_D(_MMIO(0x41d0), D_ALL);
2557         MMIO_D(GAC_ECO_BITS, D_ALL);
2558         MMIO_D(_MMIO(0x6200), D_ALL);
2559         MMIO_D(_MMIO(0x6204), D_ALL);
2560         MMIO_D(_MMIO(0x6208), D_ALL);
2561         MMIO_D(_MMIO(0x7118), D_ALL);
2562         MMIO_D(_MMIO(0x7180), D_ALL);
2563         MMIO_D(_MMIO(0x7408), D_ALL);
2564         MMIO_D(_MMIO(0x7c00), D_ALL);
2565         MMIO_DH(GEN6_MBCTL, D_ALL, NULL, mbctl_write);
2566         MMIO_D(_MMIO(0x911c), D_ALL);
2567         MMIO_D(_MMIO(0x9120), D_ALL);
2568         MMIO_DFH(GEN7_UCGCTL4, D_ALL, F_CMD_ACCESS, NULL, NULL);
2569 
2570         MMIO_D(GAB_CTL, D_ALL);
2571         MMIO_D(_MMIO(0x48800), D_ALL);
2572         MMIO_D(_MMIO(0xce044), D_ALL);
2573         MMIO_D(_MMIO(0xe6500), D_ALL);
2574         MMIO_D(_MMIO(0xe6504), D_ALL);
2575         MMIO_D(_MMIO(0xe6600), D_ALL);
2576         MMIO_D(_MMIO(0xe6604), D_ALL);
2577         MMIO_D(_MMIO(0xe6700), D_ALL);
2578         MMIO_D(_MMIO(0xe6704), D_ALL);
2579         MMIO_D(_MMIO(0xe6800), D_ALL);
2580         MMIO_D(_MMIO(0xe6804), D_ALL);
2581         MMIO_D(PCH_GMBUS4, D_ALL);
2582         MMIO_D(PCH_GMBUS5, D_ALL);
2583 
2584         MMIO_D(_MMIO(0x902c), D_ALL);
2585         MMIO_D(_MMIO(0xec008), D_ALL);
2586         MMIO_D(_MMIO(0xec00c), D_ALL);
2587         MMIO_D(_MMIO(0xec008 + 0x18), D_ALL);
2588         MMIO_D(_MMIO(0xec00c + 0x18), D_ALL);
2589         MMIO_D(_MMIO(0xec008 + 0x18 * 2), D_ALL);
2590         MMIO_D(_MMIO(0xec00c + 0x18 * 2), D_ALL);
2591         MMIO_D(_MMIO(0xec008 + 0x18 * 3), D_ALL);
2592         MMIO_D(_MMIO(0xec00c + 0x18 * 3), D_ALL);
2593         MMIO_D(_MMIO(0xec408), D_ALL);
2594         MMIO_D(_MMIO(0xec40c), D_ALL);
2595         MMIO_D(_MMIO(0xec408 + 0x18), D_ALL);
2596         MMIO_D(_MMIO(0xec40c + 0x18), D_ALL);
2597         MMIO_D(_MMIO(0xec408 + 0x18 * 2), D_ALL);
2598         MMIO_D(_MMIO(0xec40c + 0x18 * 2), D_ALL);
2599         MMIO_D(_MMIO(0xec408 + 0x18 * 3), D_ALL);
2600         MMIO_D(_MMIO(0xec40c + 0x18 * 3), D_ALL);
2601         MMIO_D(_MMIO(0xfc810), D_ALL);
2602         MMIO_D(_MMIO(0xfc81c), D_ALL);
2603         MMIO_D(_MMIO(0xfc828), D_ALL);
2604         MMIO_D(_MMIO(0xfc834), D_ALL);
2605         MMIO_D(_MMIO(0xfcc00), D_ALL);
2606         MMIO_D(_MMIO(0xfcc0c), D_ALL);
2607         MMIO_D(_MMIO(0xfcc18), D_ALL);
2608         MMIO_D(_MMIO(0xfcc24), D_ALL);
2609         MMIO_D(_MMIO(0xfd000), D_ALL);
2610         MMIO_D(_MMIO(0xfd00c), D_ALL);
2611         MMIO_D(_MMIO(0xfd018), D_ALL);
2612         MMIO_D(_MMIO(0xfd024), D_ALL);
2613         MMIO_D(_MMIO(0xfd034), D_ALL);
2614 
2615         MMIO_DH(FPGA_DBG, D_ALL, NULL, fpga_dbg_mmio_write);
2616         MMIO_D(_MMIO(0x2054), D_ALL);
2617         MMIO_D(_MMIO(0x12054), D_ALL);
2618         MMIO_D(_MMIO(0x22054), D_ALL);
2619         MMIO_D(_MMIO(0x1a054), D_ALL);
2620 
2621         MMIO_D(_MMIO(0x44070), D_ALL);
2622         MMIO_DFH(_MMIO(0x215c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2623         MMIO_DFH(_MMIO(0x2178), D_ALL, F_CMD_ACCESS, NULL, NULL);
2624         MMIO_DFH(_MMIO(0x217c), D_ALL, F_CMD_ACCESS, NULL, NULL);
2625         MMIO_DFH(_MMIO(0x12178), D_ALL, F_CMD_ACCESS, NULL, NULL);
2626         MMIO_DFH(_MMIO(0x1217c), D_ALL, F_CMD_ACCESS, NULL, NULL);
2627 
2628         MMIO_F(_MMIO(0x2290), 8, F_CMD_ACCESS, 0, 0, D_BDW_PLUS, NULL, NULL);
2629         MMIO_D(_MMIO(0x2b00), D_BDW_PLUS);
2630         MMIO_D(_MMIO(0x2360), D_BDW_PLUS);
2631         MMIO_F(_MMIO(0x5200), 32, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2632         MMIO_F(_MMIO(0x5240), 32, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2633         MMIO_F(_MMIO(0x5280), 16, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2634 
2635         MMIO_DFH(_MMIO(0x1c17c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2636         MMIO_DFH(_MMIO(0x1c178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2637         MMIO_DFH(BCS_SWCTRL, D_ALL, F_CMD_ACCESS, NULL, NULL);
2638 
2639         MMIO_F(HS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2640         MMIO_F(DS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2641         MMIO_F(IA_VERTICES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2642         MMIO_F(IA_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2643         MMIO_F(VS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2644         MMIO_F(GS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2645         MMIO_F(GS_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2646         MMIO_F(CL_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2647         MMIO_F(CL_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2648         MMIO_F(PS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2649         MMIO_F(PS_DEPTH_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2650         MMIO_DH(_MMIO(0x4260), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2651         MMIO_DH(_MMIO(0x4264), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2652         MMIO_DH(_MMIO(0x4268), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2653         MMIO_DH(_MMIO(0x426c), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2654         MMIO_DH(_MMIO(0x4270), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2655         MMIO_DFH(_MMIO(0x4094), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2656 
2657         MMIO_DFH(ARB_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2658         MMIO_RING_GM_RDR(RING_BBADDR, D_ALL, NULL, NULL);
2659         MMIO_DFH(_MMIO(0x2220), D_ALL, F_CMD_ACCESS, NULL, NULL);
2660         MMIO_DFH(_MMIO(0x12220), D_ALL, F_CMD_ACCESS, NULL, NULL);
2661         MMIO_DFH(_MMIO(0x22220), D_ALL, F_CMD_ACCESS, NULL, NULL);
2662         MMIO_RING_DFH(RING_SYNC_1, D_ALL, F_CMD_ACCESS, NULL, NULL);
2663         MMIO_RING_DFH(RING_SYNC_0, D_ALL, F_CMD_ACCESS, NULL, NULL);
2664         MMIO_DFH(_MMIO(0x22178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2665         MMIO_DFH(_MMIO(0x1a178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2666         MMIO_DFH(_MMIO(0x1a17c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2667         MMIO_DFH(_MMIO(0x2217c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2668 
2669         MMIO_DH(EDP_PSR_IMR, D_BDW_PLUS, NULL, edp_psr_imr_iir_write);
2670         MMIO_DH(EDP_PSR_IIR, D_BDW_PLUS, NULL, edp_psr_imr_iir_write);
2671         return 0;
2672 }
2673 
2674 static int init_broadwell_mmio_info(struct intel_gvt *gvt)
2675 {
2676         struct drm_i915_private *dev_priv = gvt->dev_priv;
2677         int ret;
2678 
2679         MMIO_DH(GEN8_GT_IMR(0), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2680         MMIO_DH(GEN8_GT_IER(0), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2681         MMIO_DH(GEN8_GT_IIR(0), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2682         MMIO_D(GEN8_GT_ISR(0), D_BDW_PLUS);
2683 
2684         MMIO_DH(GEN8_GT_IMR(1), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2685         MMIO_DH(GEN8_GT_IER(1), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2686         MMIO_DH(GEN8_GT_IIR(1), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2687         MMIO_D(GEN8_GT_ISR(1), D_BDW_PLUS);
2688 
2689         MMIO_DH(GEN8_GT_IMR(2), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2690         MMIO_DH(GEN8_GT_IER(2), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2691         MMIO_DH(GEN8_GT_IIR(2), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2692         MMIO_D(GEN8_GT_ISR(2), D_BDW_PLUS);
2693 
2694         MMIO_DH(GEN8_GT_IMR(3), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2695         MMIO_DH(GEN8_GT_IER(3), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2696         MMIO_DH(GEN8_GT_IIR(3), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2697         MMIO_D(GEN8_GT_ISR(3), D_BDW_PLUS);
2698 
2699         MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_A), D_BDW_PLUS, NULL,
2700                 intel_vgpu_reg_imr_handler);
2701         MMIO_DH(GEN8_DE_PIPE_IER(PIPE_A), D_BDW_PLUS, NULL,
2702                 intel_vgpu_reg_ier_handler);
2703         MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_A), D_BDW_PLUS, NULL,
2704                 intel_vgpu_reg_iir_handler);
2705         MMIO_D(GEN8_DE_PIPE_ISR(PIPE_A), D_BDW_PLUS);
2706 
2707         MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_B), D_BDW_PLUS, NULL,
2708                 intel_vgpu_reg_imr_handler);
2709         MMIO_DH(GEN8_DE_PIPE_IER(PIPE_B), D_BDW_PLUS, NULL,
2710                 intel_vgpu_reg_ier_handler);
2711         MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_B), D_BDW_PLUS, NULL,
2712                 intel_vgpu_reg_iir_handler);
2713         MMIO_D(GEN8_DE_PIPE_ISR(PIPE_B), D_BDW_PLUS);
2714 
2715         MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_C), D_BDW_PLUS, NULL,
2716                 intel_vgpu_reg_imr_handler);
2717         MMIO_DH(GEN8_DE_PIPE_IER(PIPE_C), D_BDW_PLUS, NULL,
2718                 intel_vgpu_reg_ier_handler);
2719         MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_C), D_BDW_PLUS, NULL,
2720                 intel_vgpu_reg_iir_handler);
2721         MMIO_D(GEN8_DE_PIPE_ISR(PIPE_C), D_BDW_PLUS);
2722 
2723         MMIO_DH(GEN8_DE_PORT_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2724         MMIO_DH(GEN8_DE_PORT_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2725         MMIO_DH(GEN8_DE_PORT_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2726         MMIO_D(GEN8_DE_PORT_ISR, D_BDW_PLUS);
2727 
2728         MMIO_DH(GEN8_DE_MISC_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2729         MMIO_DH(GEN8_DE_MISC_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2730         MMIO_DH(GEN8_DE_MISC_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2731         MMIO_D(GEN8_DE_MISC_ISR, D_BDW_PLUS);
2732 
2733         MMIO_DH(GEN8_PCU_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2734         MMIO_DH(GEN8_PCU_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2735         MMIO_DH(GEN8_PCU_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2736         MMIO_D(GEN8_PCU_ISR, D_BDW_PLUS);
2737 
2738         MMIO_DH(GEN8_MASTER_IRQ, D_BDW_PLUS, NULL,
2739                 intel_vgpu_reg_master_irq_handler);
2740 
2741         MMIO_RING_DFH(RING_ACTHD_UDW, D_BDW_PLUS, F_CMD_ACCESS,
2742                 mmio_read_from_hw, NULL);
2743 
2744 #define RING_REG(base) _MMIO((base) + 0xd0)
2745         MMIO_RING_F(RING_REG, 4, F_RO, 0,
2746                 ~_MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET), D_BDW_PLUS, NULL,
2747                 ring_reset_ctl_write);
2748 #undef RING_REG
2749 
2750 #define RING_REG(base) _MMIO((base) + 0x230)
2751         MMIO_RING_DFH(RING_REG, D_BDW_PLUS, 0, NULL, elsp_mmio_write);
2752 #undef RING_REG
2753 
2754 #define RING_REG(base) _MMIO((base) + 0x234)
2755         MMIO_RING_F(RING_REG, 8, F_RO | F_CMD_ACCESS, 0, ~0, D_BDW_PLUS,
2756                 NULL, NULL);
2757 #undef RING_REG
2758 
2759 #define RING_REG(base) _MMIO((base) + 0x244)
2760         MMIO_RING_DFH(RING_REG, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2761 #undef RING_REG
2762 
2763 #define RING_REG(base) _MMIO((base) + 0x370)
2764         MMIO_RING_F(RING_REG, 48, F_RO, 0, ~0, D_BDW_PLUS, NULL, NULL);
2765 #undef RING_REG
2766 
2767 #define RING_REG(base) _MMIO((base) + 0x3a0)
2768         MMIO_RING_DFH(RING_REG, D_BDW_PLUS, F_MODE_MASK, NULL, NULL);
2769 #undef RING_REG
2770 
2771         MMIO_D(PIPEMISC(PIPE_A), D_BDW_PLUS);
2772         MMIO_D(PIPEMISC(PIPE_B), D_BDW_PLUS);
2773         MMIO_D(PIPEMISC(PIPE_C), D_BDW_PLUS);
2774         MMIO_D(_MMIO(0x1c1d0), D_BDW_PLUS);
2775         MMIO_D(GEN6_MBCUNIT_SNPCR, D_BDW_PLUS);
2776         MMIO_D(GEN7_MISCCPCTL, D_BDW_PLUS);
2777         MMIO_D(_MMIO(0x1c054), D_BDW_PLUS);
2778 
2779         MMIO_DH(GEN6_PCODE_MAILBOX, D_BDW_PLUS, NULL, mailbox_write);
2780 
2781         MMIO_D(GEN8_PRIVATE_PAT_LO, D_BDW_PLUS);
2782         MMIO_D(GEN8_PRIVATE_PAT_HI, D_BDW_PLUS);
2783 
2784         MMIO_D(GAMTARBMODE, D_BDW_PLUS);
2785 
2786 #define RING_REG(base) _MMIO((base) + 0x270)
2787         MMIO_RING_F(RING_REG, 32, 0, 0, 0, D_BDW_PLUS, NULL, NULL);
2788 #undef RING_REG
2789 
2790         MMIO_RING_GM_RDR(RING_HWS_PGA, D_BDW_PLUS, NULL, hws_pga_write);
2791 
2792         MMIO_DFH(HDC_CHICKEN0, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2793 
2794         MMIO_D(CHICKEN_PIPESL_1(PIPE_A), D_BDW_PLUS);
2795         MMIO_D(CHICKEN_PIPESL_1(PIPE_B), D_BDW_PLUS);
2796         MMIO_D(CHICKEN_PIPESL_1(PIPE_C), D_BDW_PLUS);
2797 
2798         MMIO_D(WM_MISC, D_BDW);
2799         MMIO_D(_MMIO(BDW_EDP_PSR_BASE), D_BDW);
2800 
2801         MMIO_D(_MMIO(0x6671c), D_BDW_PLUS);
2802         MMIO_D(_MMIO(0x66c00), D_BDW_PLUS);
2803         MMIO_D(_MMIO(0x66c04), D_BDW_PLUS);
2804 
2805         MMIO_D(HSW_GTT_CACHE_EN, D_BDW_PLUS);
2806 
2807         MMIO_D(GEN8_EU_DISABLE0, D_BDW_PLUS);
2808         MMIO_D(GEN8_EU_DISABLE1, D_BDW_PLUS);
2809         MMIO_D(GEN8_EU_DISABLE2, D_BDW_PLUS);
2810 
2811         MMIO_D(_MMIO(0xfdc), D_BDW_PLUS);
2812         MMIO_DFH(GEN8_ROW_CHICKEN, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS,
2813                 NULL, NULL);
2814         MMIO_DFH(GEN7_ROW_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS,
2815                 NULL, NULL);
2816         MMIO_DFH(GEN8_UCGCTL6, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2817 
2818         MMIO_DFH(_MMIO(0xb1f0), D_BDW, F_CMD_ACCESS, NULL, NULL);
2819         MMIO_DFH(_MMIO(0xb1c0), D_BDW, F_CMD_ACCESS, NULL, NULL);
2820         MMIO_DFH(GEN8_L3SQCREG4, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2821         MMIO_DFH(_MMIO(0xb100), D_BDW, F_CMD_ACCESS, NULL, NULL);
2822         MMIO_DFH(_MMIO(0xb10c), D_BDW, F_CMD_ACCESS, NULL, NULL);
2823         MMIO_D(_MMIO(0xb110), D_BDW);
2824 
2825         MMIO_F(_MMIO(0x24d0), 48, F_CMD_ACCESS, 0, 0, D_BDW_PLUS,
2826                 NULL, force_nonpriv_write);
2827 
2828         MMIO_D(_MMIO(0x44484), D_BDW_PLUS);
2829         MMIO_D(_MMIO(0x4448c), D_BDW_PLUS);
2830 
2831         MMIO_DFH(_MMIO(0x83a4), D_BDW, F_CMD_ACCESS, NULL, NULL);
2832         MMIO_D(GEN8_L3_LRA_1_GPGPU, D_BDW_PLUS);
2833 
2834         MMIO_DFH(_MMIO(0x8430), D_BDW, F_CMD_ACCESS, NULL, NULL);
2835 
2836         MMIO_D(_MMIO(0x110000), D_BDW_PLUS);
2837 
2838         MMIO_D(_MMIO(0x48400), D_BDW_PLUS);
2839 
2840         MMIO_D(_MMIO(0x6e570), D_BDW_PLUS);
2841         MMIO_D(_MMIO(0x65f10), D_BDW_PLUS);
2842 
2843         MMIO_DFH(_MMIO(0xe194), D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2844         MMIO_DFH(_MMIO(0xe188), D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2845         MMIO_DFH(HALF_SLICE_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2846         MMIO_DFH(_MMIO(0x2580), D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2847 
2848         MMIO_DFH(_MMIO(0x2248), D_BDW, F_CMD_ACCESS, NULL, NULL);
2849 
2850         MMIO_DFH(_MMIO(0xe220), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2851         MMIO_DFH(_MMIO(0xe230), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2852         MMIO_DFH(_MMIO(0xe240), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2853         MMIO_DFH(_MMIO(0xe260), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2854         MMIO_DFH(_MMIO(0xe270), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2855         MMIO_DFH(_MMIO(0xe280), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2856         MMIO_DFH(_MMIO(0xe2a0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2857         MMIO_DFH(_MMIO(0xe2b0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2858         MMIO_DFH(_MMIO(0xe2c0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2859         MMIO_DFH(_MMIO(0x21f0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2860         return 0;
2861 }
2862 
2863 static int init_skl_mmio_info(struct intel_gvt *gvt)
2864 {
2865         struct drm_i915_private *dev_priv = gvt->dev_priv;
2866         int ret;
2867 
2868         MMIO_DH(FORCEWAKE_RENDER_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
2869         MMIO_DH(FORCEWAKE_ACK_RENDER_GEN9, D_SKL_PLUS, NULL, NULL);
2870         MMIO_DH(FORCEWAKE_BLITTER_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
2871         MMIO_DH(FORCEWAKE_ACK_BLITTER_GEN9, D_SKL_PLUS, NULL, NULL);
2872         MMIO_DH(FORCEWAKE_MEDIA_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
2873         MMIO_DH(FORCEWAKE_ACK_MEDIA_GEN9, D_SKL_PLUS, NULL, NULL);
2874 
2875         MMIO_F(_MMIO(_DPB_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_SKL_PLUS, NULL,
2876                                                 dp_aux_ch_ctl_mmio_write);
2877         MMIO_F(_MMIO(_DPC_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_SKL_PLUS, NULL,
2878                                                 dp_aux_ch_ctl_mmio_write);
2879         MMIO_F(_MMIO(_DPD_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_SKL_PLUS, NULL,
2880                                                 dp_aux_ch_ctl_mmio_write);
2881 
2882         MMIO_D(HSW_PWR_WELL_CTL1, D_SKL_PLUS);
2883         MMIO_DH(HSW_PWR_WELL_CTL2, D_SKL_PLUS, NULL, skl_power_well_ctl_write);
2884 
2885         MMIO_DH(DBUF_CTL, D_SKL_PLUS, NULL, gen9_dbuf_ctl_mmio_write);
2886 
2887         MMIO_D(GEN9_PG_ENABLE, D_SKL_PLUS);
2888         MMIO_D(GEN9_MEDIA_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
2889         MMIO_D(GEN9_RENDER_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
2890         MMIO_DFH(GEN9_GAMT_ECO_REG_RW_IA, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
2891         MMIO_DH(MMCD_MISC_CTRL, D_SKL_PLUS, NULL, NULL);
2892         MMIO_DH(CHICKEN_PAR1_1, D_SKL_PLUS, NULL, NULL);
2893         MMIO_D(DC_STATE_EN, D_SKL_PLUS);
2894         MMIO_D(DC_STATE_DEBUG, D_SKL_PLUS);
2895         MMIO_D(CDCLK_CTL, D_SKL_PLUS);
2896         MMIO_DH(LCPLL1_CTL, D_SKL_PLUS, NULL, skl_lcpll_write);
2897         MMIO_DH(LCPLL2_CTL, D_SKL_PLUS, NULL, skl_lcpll_write);
2898         MMIO_D(_MMIO(_DPLL1_CFGCR1), D_SKL_PLUS);
2899         MMIO_D(_MMIO(_DPLL2_CFGCR1), D_SKL_PLUS);
2900         MMIO_D(_MMIO(_DPLL3_CFGCR1), D_SKL_PLUS);
2901         MMIO_D(_MMIO(_DPLL1_CFGCR2), D_SKL_PLUS);
2902         MMIO_D(_MMIO(_DPLL2_CFGCR2), D_SKL_PLUS);
2903         MMIO_D(_MMIO(_DPLL3_CFGCR2), D_SKL_PLUS);
2904         MMIO_D(DPLL_CTRL1, D_SKL_PLUS);
2905         MMIO_D(DPLL_CTRL2, D_SKL_PLUS);
2906         MMIO_DH(DPLL_STATUS, D_SKL_PLUS, dpll_status_read, NULL);
2907 
2908         MMIO_DH(SKL_PS_WIN_POS(PIPE_A, 0), D_SKL_PLUS, NULL, pf_write);
2909         MMIO_DH(SKL_PS_WIN_POS(PIPE_A, 1), D_SKL_PLUS, NULL, pf_write);
2910         MMIO_DH(SKL_PS_WIN_POS(PIPE_B, 0), D_SKL_PLUS, NULL, pf_write);
2911         MMIO_DH(SKL_PS_WIN_POS(PIPE_B, 1), D_SKL_PLUS, NULL, pf_write);
2912         MMIO_DH(SKL_PS_WIN_POS(PIPE_C, 0), D_SKL_PLUS, NULL, pf_write);
2913         MMIO_DH(SKL_PS_WIN_POS(PIPE_C, 1), D_SKL_PLUS, NULL, pf_write);
2914 
2915         MMIO_DH(SKL_PS_WIN_SZ(PIPE_A, 0), D_SKL_PLUS, NULL, pf_write);
2916         MMIO_DH(SKL_PS_WIN_SZ(PIPE_A, 1), D_SKL_PLUS, NULL, pf_write);
2917         MMIO_DH(SKL_PS_WIN_SZ(PIPE_B, 0), D_SKL_PLUS, NULL, pf_write);
2918         MMIO_DH(SKL_PS_WIN_SZ(PIPE_B, 1), D_SKL_PLUS, NULL, pf_write);
2919         MMIO_DH(SKL_PS_WIN_SZ(PIPE_C, 0), D_SKL_PLUS, NULL, pf_write);
2920         MMIO_DH(SKL_PS_WIN_SZ(PIPE_C, 1), D_SKL_PLUS, NULL, pf_write);
2921 
2922         MMIO_DH(SKL_PS_CTRL(PIPE_A, 0), D_SKL_PLUS, NULL, pf_write);
2923         MMIO_DH(SKL_PS_CTRL(PIPE_A, 1), D_SKL_PLUS, NULL, pf_write);
2924         MMIO_DH(SKL_PS_CTRL(PIPE_B, 0), D_SKL_PLUS, NULL, pf_write);
2925         MMIO_DH(SKL_PS_CTRL(PIPE_B, 1), D_SKL_PLUS, NULL, pf_write);
2926         MMIO_DH(SKL_PS_CTRL(PIPE_C, 0), D_SKL_PLUS, NULL, pf_write);
2927         MMIO_DH(SKL_PS_CTRL(PIPE_C, 1), D_SKL_PLUS, NULL, pf_write);
2928 
2929         MMIO_DH(PLANE_BUF_CFG(PIPE_A, 0), D_SKL_PLUS, NULL, NULL);
2930         MMIO_DH(PLANE_BUF_CFG(PIPE_A, 1), D_SKL_PLUS, NULL, NULL);
2931         MMIO_DH(PLANE_BUF_CFG(PIPE_A, 2), D_SKL_PLUS, NULL, NULL);
2932         MMIO_DH(PLANE_BUF_CFG(PIPE_A, 3), D_SKL_PLUS, NULL, NULL);
2933 
2934         MMIO_DH(PLANE_BUF_CFG(PIPE_B, 0), D_SKL_PLUS, NULL, NULL);
2935         MMIO_DH(PLANE_BUF_CFG(PIPE_B, 1), D_SKL_PLUS, NULL, NULL);
2936         MMIO_DH(PLANE_BUF_CFG(PIPE_B, 2), D_SKL_PLUS, NULL, NULL);
2937         MMIO_DH(PLANE_BUF_CFG(PIPE_B, 3), D_SKL_PLUS, NULL, NULL);
2938 
2939         MMIO_DH(PLANE_BUF_CFG(PIPE_C, 0), D_SKL_PLUS, NULL, NULL);
2940         MMIO_DH(PLANE_BUF_CFG(PIPE_C, 1), D_SKL_PLUS, NULL, NULL);
2941         MMIO_DH(PLANE_BUF_CFG(PIPE_C, 2), D_SKL_PLUS, NULL, NULL);
2942         MMIO_DH(PLANE_BUF_CFG(PIPE_C, 3), D_SKL_PLUS, NULL, NULL);
2943 
2944         MMIO_DH(CUR_BUF_CFG(PIPE_A), D_SKL_PLUS, NULL, NULL);
2945         MMIO_DH(CUR_BUF_CFG(PIPE_B), D_SKL_PLUS, NULL, NULL);
2946         MMIO_DH(CUR_BUF_CFG(PIPE_C), D_SKL_PLUS, NULL, NULL);
2947 
2948         MMIO_F(PLANE_WM(PIPE_A, 0, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2949         MMIO_F(PLANE_WM(PIPE_A, 1, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2950         MMIO_F(PLANE_WM(PIPE_A, 2, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2951 
2952         MMIO_F(PLANE_WM(PIPE_B, 0, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2953         MMIO_F(PLANE_WM(PIPE_B, 1, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2954         MMIO_F(PLANE_WM(PIPE_B, 2, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2955 
2956         MMIO_F(PLANE_WM(PIPE_C, 0, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2957         MMIO_F(PLANE_WM(PIPE_C, 1, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2958         MMIO_F(PLANE_WM(PIPE_C, 2, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2959 
2960         MMIO_F(CUR_WM(PIPE_A, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2961         MMIO_F(CUR_WM(PIPE_B, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2962         MMIO_F(CUR_WM(PIPE_C, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2963 
2964         MMIO_DH(PLANE_WM_TRANS(PIPE_A, 0), D_SKL_PLUS, NULL, NULL);
2965         MMIO_DH(PLANE_WM_TRANS(PIPE_A, 1), D_SKL_PLUS, NULL, NULL);
2966         MMIO_DH(PLANE_WM_TRANS(PIPE_A, 2), D_SKL_PLUS, NULL, NULL);
2967 
2968         MMIO_DH(PLANE_WM_TRANS(PIPE_B, 0), D_SKL_PLUS, NULL, NULL);
2969         MMIO_DH(PLANE_WM_TRANS(PIPE_B, 1), D_SKL_PLUS, NULL, NULL);
2970         MMIO_DH(PLANE_WM_TRANS(PIPE_B, 2), D_SKL_PLUS, NULL, NULL);
2971 
2972         MMIO_DH(PLANE_WM_TRANS(PIPE_C, 0), D_SKL_PLUS, NULL, NULL);
2973         MMIO_DH(PLANE_WM_TRANS(PIPE_C, 1), D_SKL_PLUS, NULL, NULL);
2974         MMIO_DH(PLANE_WM_TRANS(PIPE_C, 2), D_SKL_PLUS, NULL, NULL);
2975 
2976         MMIO_DH(CUR_WM_TRANS(PIPE_A), D_SKL_PLUS, NULL, NULL);
2977         MMIO_DH(CUR_WM_TRANS(PIPE_B), D_SKL_PLUS, NULL, NULL);
2978         MMIO_DH(CUR_WM_TRANS(PIPE_C), D_SKL_PLUS, NULL, NULL);
2979 
2980         MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 0), D_SKL_PLUS, NULL, NULL);
2981         MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 1), D_SKL_PLUS, NULL, NULL);
2982         MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 2), D_SKL_PLUS, NULL, NULL);
2983         MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 3), D_SKL_PLUS, NULL, NULL);
2984 
2985         MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 0), D_SKL_PLUS, NULL, NULL);
2986         MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 1), D_SKL_PLUS, NULL, NULL);
2987         MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 2), D_SKL_PLUS, NULL, NULL);
2988         MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 3), D_SKL_PLUS, NULL, NULL);
2989 
2990         MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 0), D_SKL_PLUS, NULL, NULL);
2991         MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 1), D_SKL_PLUS, NULL, NULL);
2992         MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 2), D_SKL_PLUS, NULL, NULL);
2993         MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 3), D_SKL_PLUS, NULL, NULL);
2994 
2995         MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 1)), D_SKL_PLUS, NULL, NULL);
2996         MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 2)), D_SKL_PLUS, NULL, NULL);
2997         MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 3)), D_SKL_PLUS, NULL, NULL);
2998         MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 4)), D_SKL_PLUS, NULL, NULL);
2999 
3000         MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 1)), D_SKL_PLUS, NULL, NULL);
3001         MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 2)), D_SKL_PLUS, NULL, NULL);
3002         MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 3)), D_SKL_PLUS, NULL, NULL);
3003         MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 4)), D_SKL_PLUS, NULL, NULL);
3004 
3005         MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 1)), D_SKL_PLUS, NULL, NULL);
3006         MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 2)), D_SKL_PLUS, NULL, NULL);
3007         MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 3)), D_SKL_PLUS, NULL, NULL);
3008         MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 4)), D_SKL_PLUS, NULL, NULL);
3009 
3010         MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 1)), D_SKL_PLUS, NULL, NULL);
3011         MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 2)), D_SKL_PLUS, NULL, NULL);
3012         MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 3)), D_SKL_PLUS, NULL, NULL);
3013         MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 4)), D_SKL_PLUS, NULL, NULL);
3014 
3015         MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 1)), D_SKL_PLUS, NULL, NULL);
3016         MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 2)), D_SKL_PLUS, NULL, NULL);
3017         MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 3)), D_SKL_PLUS, NULL, NULL);
3018         MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 4)), D_SKL_PLUS, NULL, NULL);
3019 
3020         MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 1)), D_SKL_PLUS, NULL, NULL);
3021         MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 2)), D_SKL_PLUS, NULL, NULL);
3022         MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 3)), D_SKL_PLUS, NULL, NULL);
3023         MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 4)), D_SKL_PLUS, NULL, NULL);
3024 
3025         MMIO_D(_MMIO(_PLANE_CTL_3_A), D_SKL_PLUS);
3026         MMIO_D(_MMIO(_PLANE_CTL_3_B), D_SKL_PLUS);
3027         MMIO_D(_MMIO(0x72380), D_SKL_PLUS);
3028         MMIO_D(_MMIO(0x7239c), D_SKL_PLUS);
3029         MMIO_D(_MMIO(_PLANE_SURF_3_A), D_SKL_PLUS);
3030 
3031         MMIO_D(CSR_SSP_BASE, D_SKL_PLUS);
3032         MMIO_D(CSR_HTP_SKL, D_SKL_PLUS);
3033         MMIO_D(CSR_LAST_WRITE, D_SKL_PLUS);
3034 
3035         MMIO_DFH(BDW_SCRATCH1, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3036 
3037         MMIO_D(SKL_DFSM, D_SKL_PLUS);
3038         MMIO_D(DISPIO_CR_TX_BMU_CR0, D_SKL_PLUS);
3039 
3040         MMIO_F(GEN9_GFX_MOCS(0), 0x7f8, F_CMD_ACCESS, 0, 0, D_SKL_PLUS,
3041                 NULL, NULL);
3042         MMIO_F(GEN7_L3CNTLREG2, 0x80, F_CMD_ACCESS, 0, 0, D_SKL_PLUS,
3043                 NULL, NULL);
3044 
3045         MMIO_D(RPM_CONFIG0, D_SKL_PLUS);
3046         MMIO_D(_MMIO(0xd08), D_SKL_PLUS);
3047         MMIO_D(RC6_LOCATION, D_SKL_PLUS);
3048         MMIO_DFH(GEN7_FF_SLICE_CS_CHICKEN1, D_SKL_PLUS,
3049                  F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
3050         MMIO_DFH(GEN9_CS_DEBUG_MODE1, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS,
3051                 NULL, NULL);
3052 
3053         /* TRTT */
3054         MMIO_DFH(TRVATTL3PTRDW(0), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3055         MMIO_DFH(TRVATTL3PTRDW(1), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3056         MMIO_DFH(TRVATTL3PTRDW(2), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3057         MMIO_DFH(TRVATTL3PTRDW(3), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3058         MMIO_DFH(TRVADR, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3059         MMIO_DFH(TRTTE, D_SKL_PLUS, F_CMD_ACCESS,
3060                 NULL, gen9_trtte_write);
3061         MMIO_DH(_MMIO(0x4dfc), D_SKL_PLUS, NULL, gen9_trtt_chicken_write);
3062 
3063         MMIO_D(_MMIO(0x46430), D_SKL_PLUS);
3064 
3065         MMIO_D(_MMIO(0x46520), D_SKL_PLUS);
3066 
3067         MMIO_D(_MMIO(0xc403c), D_SKL_PLUS);
3068         MMIO_DFH(GEN8_GARBCNTL, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3069         MMIO_DH(DMA_CTRL, D_SKL_PLUS, NULL, dma_ctrl_write);
3070 
3071         MMIO_D(_MMIO(0x65900), D_SKL_PLUS);
3072         MMIO_D(GEN6_STOLEN_RESERVED, D_SKL_PLUS);
3073         MMIO_D(_MMIO(0x4068), D_SKL_PLUS);
3074         MMIO_D(_MMIO(0x67054), D_SKL_PLUS);
3075         MMIO_D(_MMIO(0x6e560), D_SKL_PLUS);
3076         MMIO_D(_MMIO(0x6e554), D_SKL_PLUS);
3077         MMIO_D(_MMIO(0x2b20), D_SKL_PLUS);
3078         MMIO_D(_MMIO(0x65f00), D_SKL_PLUS);
3079         MMIO_D(_MMIO(0x65f08), D_SKL_PLUS);
3080         MMIO_D(_MMIO(0x320f0), D_SKL_PLUS);
3081 
3082         MMIO_D(_MMIO(0x70034), D_SKL_PLUS);
3083         MMIO_D(_MMIO(0x71034), D_SKL_PLUS);
3084         MMIO_D(_MMIO(0x72034), D_SKL_PLUS);
3085 
3086         MMIO_D(_MMIO(_PLANE_KEYVAL_1(PIPE_A)), D_SKL_PLUS);
3087         MMIO_D(_MMIO(_PLANE_KEYVAL_1(PIPE_B)), D_SKL_PLUS);
3088         MMIO_D(_MMIO(_PLANE_KEYVAL_1(PIPE_C)), D_SKL_PLUS);
3089         MMIO_D(_MMIO(_PLANE_KEYMAX_1(PIPE_A)), D_SKL_PLUS);
3090         MMIO_D(_MMIO(_PLANE_KEYMAX_1(PIPE_B)), D_SKL_PLUS);
3091         MMIO_D(_MMIO(_PLANE_KEYMAX_1(PIPE_C)), D_SKL_PLUS);
3092         MMIO_D(_MMIO(_PLANE_KEYMSK_1(PIPE_A)), D_SKL_PLUS);
3093         MMIO_D(_MMIO(_PLANE_KEYMSK_1(PIPE_B)), D_SKL_PLUS);
3094         MMIO_D(_MMIO(_PLANE_KEYMSK_1(PIPE_C)), D_SKL_PLUS);
3095 
3096         MMIO_D(_MMIO(0x44500), D_SKL_PLUS);
3097 #define CSFE_CHICKEN1_REG(base) _MMIO((base) + 0xD4)
3098         MMIO_RING_DFH(CSFE_CHICKEN1_REG, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS,
3099                       NULL, csfe_chicken1_mmio_write);
3100 #undef CSFE_CHICKEN1_REG
3101         MMIO_DFH(GEN8_HDC_CHICKEN1, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS,
3102                  NULL, NULL);
3103         MMIO_DFH(GEN9_WM_CHICKEN3, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS,
3104                  NULL, NULL);
3105 
3106         MMIO_D(GAMT_CHKN_BIT_REG, D_KBL);
3107         MMIO_D(GEN9_CTX_PREEMPT_REG, D_KBL | D_SKL);
3108 
3109         return 0;
3110 }
3111 
3112 static int init_bxt_mmio_info(struct intel_gvt *gvt)
3113 {
3114         struct drm_i915_private *dev_priv = gvt->dev_priv;
3115         int ret;
3116 
3117         MMIO_F(_MMIO(0x80000), 0x3000, 0, 0, 0, D_BXT, NULL, NULL);
3118 
3119         MMIO_D(GEN7_SAMPLER_INSTDONE, D_BXT);
3120         MMIO_D(GEN7_ROW_INSTDONE, D_BXT);
3121         MMIO_D(GEN8_FAULT_TLB_DATA0, D_BXT);
3122         MMIO_D(GEN8_FAULT_TLB_DATA1, D_BXT);
3123         MMIO_D(ERROR_GEN6, D_BXT);
3124         MMIO_D(DONE_REG, D_BXT);
3125         MMIO_D(EIR, D_BXT);
3126         MMIO_D(PGTBL_ER, D_BXT);
3127         MMIO_D(_MMIO(0x4194), D_BXT);
3128         MMIO_D(_MMIO(0x4294), D_BXT);
3129         MMIO_D(_MMIO(0x4494), D_BXT);
3130 
3131         MMIO_RING_D(RING_PSMI_CTL, D_BXT);
3132         MMIO_RING_D(RING_DMA_FADD, D_BXT);
3133         MMIO_RING_D(RING_DMA_FADD_UDW, D_BXT);
3134         MMIO_RING_D(RING_IPEHR, D_BXT);
3135         MMIO_RING_D(RING_INSTPS, D_BXT);
3136         MMIO_RING_D(RING_BBADDR_UDW, D_BXT);
3137         MMIO_RING_D(RING_BBSTATE, D_BXT);
3138         MMIO_RING_D(RING_IPEIR, D_BXT);
3139 
3140         MMIO_F(SOFT_SCRATCH(0), 16 * 4, 0, 0, 0, D_BXT, NULL, NULL);
3141 
3142         MMIO_DH(BXT_P_CR_GT_DISP_PWRON, D_BXT, NULL, bxt_gt_disp_pwron_write);
3143         MMIO_D(BXT_RP_STATE_CAP, D_BXT);
3144         MMIO_DH(BXT_PHY_CTL_FAMILY(DPIO_PHY0), D_BXT,
3145                 NULL, bxt_phy_ctl_family_write);
3146         MMIO_DH(BXT_PHY_CTL_FAMILY(DPIO_PHY1), D_BXT,
3147                 NULL, bxt_phy_ctl_family_write);
3148         MMIO_D(BXT_PHY_CTL(PORT_A), D_BXT);
3149         MMIO_D(BXT_PHY_CTL(PORT_B), D_BXT);
3150         MMIO_D(BXT_PHY_CTL(PORT_C), D_BXT);
3151         MMIO_DH(BXT_PORT_PLL_ENABLE(PORT_A), D_BXT,
3152                 NULL, bxt_port_pll_enable_write);
3153         MMIO_DH(BXT_PORT_PLL_ENABLE(PORT_B), D_BXT,
3154                 NULL, bxt_port_pll_enable_write);
3155         MMIO_DH(BXT_PORT_PLL_ENABLE(PORT_C), D_BXT, NULL,
3156                 bxt_port_pll_enable_write);
3157 
3158         MMIO_D(BXT_PORT_CL1CM_DW0(DPIO_PHY0), D_BXT);
3159         MMIO_D(BXT_PORT_CL1CM_DW9(DPIO_PHY0), D_BXT);
3160         MMIO_D(BXT_PORT_CL1CM_DW10(DPIO_PHY0), D_BXT);
3161         MMIO_D(BXT_PORT_CL1CM_DW28(DPIO_PHY0), D_BXT);
3162         MMIO_D(BXT_PORT_CL1CM_DW30(DPIO_PHY0), D_BXT);
3163         MMIO_D(BXT_PORT_CL2CM_DW6(DPIO_PHY0), D_BXT);
3164         MMIO_D(BXT_PORT_REF_DW3(DPIO_PHY0), D_BXT);
3165         MMIO_D(BXT_PORT_REF_DW6(DPIO_PHY0), D_BXT);
3166         MMIO_D(BXT_PORT_REF_DW8(DPIO_PHY0), D_BXT);
3167 
3168         MMIO_D(BXT_PORT_CL1CM_DW0(DPIO_PHY1), D_BXT);
3169         MMIO_D(BXT_PORT_CL1CM_DW9(DPIO_PHY1), D_BXT);
3170         MMIO_D(BXT_PORT_CL1CM_DW10(DPIO_PHY1), D_BXT);
3171         MMIO_D(BXT_PORT_CL1CM_DW28(DPIO_PHY1), D_BXT);
3172         MMIO_D(BXT_PORT_CL1CM_DW30(DPIO_PHY1), D_BXT);
3173         MMIO_D(BXT_PORT_CL2CM_DW6(DPIO_PHY1), D_BXT);
3174         MMIO_D(BXT_PORT_REF_DW3(DPIO_PHY1), D_BXT);
3175         MMIO_D(BXT_PORT_REF_DW6(DPIO_PHY1), D_BXT);
3176         MMIO_D(BXT_PORT_REF_DW8(DPIO_PHY1), D_BXT);
3177 
3178         MMIO_D(BXT_PORT_PLL_EBB_0(DPIO_PHY0, DPIO_CH0), D_BXT);
3179         MMIO_D(BXT_PORT_PLL_EBB_4(DPIO_PHY0, DPIO_CH0), D_BXT);
3180         MMIO_D(BXT_PORT_PCS_DW10_LN01(DPIO_PHY0, DPIO_CH0), D_BXT);
3181         MMIO_D(BXT_PORT_PCS_DW10_GRP(DPIO_PHY0, DPIO_CH0), D_BXT);
3182         MMIO_D(BXT_PORT_PCS_DW12_LN01(DPIO_PHY0, DPIO_CH0), D_BXT);
3183         MMIO_D(BXT_PORT_PCS_DW12_LN23(DPIO_PHY0, DPIO_CH0), D_BXT);
3184         MMIO_DH(BXT_PORT_PCS_DW12_GRP(DPIO_PHY0, DPIO_CH0), D_BXT,
3185                 NULL, bxt_pcs_dw12_grp_write);
3186         MMIO_D(BXT_PORT_TX_DW2_LN0(DPIO_PHY0, DPIO_CH0), D_BXT);
3187         MMIO_D(BXT_PORT_TX_DW2_GRP(DPIO_PHY0, DPIO_CH0), D_BXT);
3188         MMIO_DH(BXT_PORT_TX_DW3_LN0(DPIO_PHY0, DPIO_CH0), D_BXT,
3189                 bxt_port_tx_dw3_read, NULL);
3190         MMIO_D(BXT_PORT_TX_DW3_GRP(DPIO_PHY0, DPIO_CH0), D_BXT);
3191         MMIO_D(BXT_PORT_TX_DW4_LN0(DPIO_PHY0, DPIO_CH0), D_BXT);
3192         MMIO_D(BXT_PORT_TX_DW4_GRP(DPIO_PHY0, DPIO_CH0), D_BXT);
3193         MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH0, 0), D_BXT);
3194         MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH0, 1), D_BXT);
3195         MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH0, 2), D_BXT);
3196         MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH0, 3), D_BXT);
3197         MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 0), D_BXT);
3198         MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 1), D_BXT);
3199         MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 2), D_BXT);
3200         MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 3), D_BXT);
3201         MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 6), D_BXT);
3202         MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 8), D_BXT);
3203         MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 9), D_BXT);
3204         MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 10), D_BXT);
3205 
3206         MMIO_D(BXT_PORT_PLL_EBB_0(DPIO_PHY0, DPIO_CH1), D_BXT);
3207         MMIO_D(BXT_PORT_PLL_EBB_4(DPIO_PHY0, DPIO_CH1), D_BXT);
3208         MMIO_D(BXT_PORT_PCS_DW10_LN01(DPIO_PHY0, DPIO_CH1), D_BXT);
3209         MMIO_D(BXT_PORT_PCS_DW10_GRP(DPIO_PHY0, DPIO_CH1), D_BXT);
3210         MMIO_D(BXT_PORT_PCS_DW12_LN01(DPIO_PHY0, DPIO_CH1), D_BXT);
3211         MMIO_D(BXT_PORT_PCS_DW12_LN23(DPIO_PHY0, DPIO_CH1), D_BXT);
3212         MMIO_DH(BXT_PORT_PCS_DW12_GRP(DPIO_PHY0, DPIO_CH1), D_BXT,
3213                 NULL, bxt_pcs_dw12_grp_write);
3214         MMIO_D(BXT_PORT_TX_DW2_LN0(DPIO_PHY0, DPIO_CH1), D_BXT);
3215         MMIO_D(BXT_PORT_TX_DW2_GRP(DPIO_PHY0, DPIO_CH1), D_BXT);
3216         MMIO_DH(BXT_PORT_TX_DW3_LN0(DPIO_PHY0, DPIO_CH1), D_BXT,
3217                 bxt_port_tx_dw3_read, NULL);
3218         MMIO_D(BXT_PORT_TX_DW3_GRP(DPIO_PHY0, DPIO_CH1), D_BXT);
3219         MMIO_D(BXT_PORT_TX_DW4_LN0(DPIO_PHY0, DPIO_CH1), D_BXT);
3220         MMIO_D(BXT_PORT_TX_DW4_GRP(DPIO_PHY0, DPIO_CH1), D_BXT);
3221         MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH1, 0), D_BXT);
3222         MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH1, 1), D_BXT);
3223         MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH1, 2), D_BXT);
3224         MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH1, 3), D_BXT);
3225         MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 0), D_BXT);
3226         MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 1), D_BXT);
3227         MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 2), D_BXT);
3228         MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 3), D_BXT);
3229         MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 6), D_BXT);
3230         MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 8), D_BXT);
3231         MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 9), D_BXT);
3232         MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 10), D_BXT);
3233 
3234         MMIO_D(BXT_PORT_PLL_EBB_0(DPIO_PHY1, DPIO_CH0), D_BXT);
3235         MMIO_D(BXT_PORT_PLL_EBB_4(DPIO_PHY1, DPIO_CH0), D_BXT);
3236         MMIO_D(BXT_PORT_PCS_DW10_LN01(DPIO_PHY1, DPIO_CH0), D_BXT);
3237         MMIO_D(BXT_PORT_PCS_DW10_GRP(DPIO_PHY1, DPIO_CH0), D_BXT);
3238         MMIO_D(BXT_PORT_PCS_DW12_LN01(DPIO_PHY1, DPIO_CH0), D_BXT);
3239         MMIO_D(BXT_PORT_PCS_DW12_LN23(DPIO_PHY1, DPIO_CH0), D_BXT);
3240         MMIO_DH(BXT_PORT_PCS_DW12_GRP(DPIO_PHY1, DPIO_CH0), D_BXT,
3241                 NULL, bxt_pcs_dw12_grp_write);
3242         MMIO_D(BXT_PORT_TX_DW2_LN0(DPIO_PHY1, DPIO_CH0), D_BXT);
3243         MMIO_D(BXT_PORT_TX_DW2_GRP(DPIO_PHY1, DPIO_CH0), D_BXT);
3244         MMIO_DH(BXT_PORT_TX_DW3_LN0(DPIO_PHY1, DPIO_CH0), D_BXT,
3245                 bxt_port_tx_dw3_read, NULL);
3246         MMIO_D(BXT_PORT_TX_DW3_GRP(DPIO_PHY1, DPIO_CH0), D_BXT);
3247         MMIO_D(BXT_PORT_TX_DW4_LN0(DPIO_PHY1, DPIO_CH0), D_BXT);
3248         MMIO_D(BXT_PORT_TX_DW4_GRP(DPIO_PHY1, DPIO_CH0), D_BXT);
3249         MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY1, DPIO_CH0, 0), D_BXT);
3250         MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY1, DPIO_CH0, 1), D_BXT);
3251         MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY1, DPIO_CH0, 2), D_BXT);
3252         MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY1, DPIO_CH0, 3), D_BXT);
3253         MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 0), D_BXT);
3254         MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 1), D_BXT);
3255         MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 2), D_BXT);
3256         MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 3), D_BXT);
3257         MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 6), D_BXT);
3258         MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 8), D_BXT);
3259         MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 9), D_BXT);
3260         MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 10), D_BXT);
3261 
3262         MMIO_D(BXT_DE_PLL_CTL, D_BXT);
3263         MMIO_DH(BXT_DE_PLL_ENABLE, D_BXT, NULL, bxt_de_pll_enable_write);
3264         MMIO_D(BXT_DSI_PLL_CTL, D_BXT);
3265         MMIO_D(BXT_DSI_PLL_ENABLE, D_BXT);
3266 
3267         MMIO_D(GEN9_CLKGATE_DIS_0, D_BXT);
3268         MMIO_D(GEN9_CLKGATE_DIS_4, D_BXT);
3269 
3270         MMIO_D(HSW_TVIDEO_DIP_GCP(TRANSCODER_A), D_BXT);
3271         MMIO_D(HSW_TVIDEO_DIP_GCP(TRANSCODER_B), D_BXT);
3272         MMIO_D(HSW_TVIDEO_DIP_GCP(TRANSCODER_C), D_BXT);
3273 
3274         MMIO_D(RC6_CTX_BASE, D_BXT);
3275 
3276         MMIO_D(GEN8_PUSHBUS_CONTROL, D_BXT);
3277         MMIO_D(GEN8_PUSHBUS_ENABLE, D_BXT);
3278         MMIO_D(GEN8_PUSHBUS_SHIFT, D_BXT);
3279         MMIO_D(GEN6_GFXPAUSE, D_BXT);
3280         MMIO_DFH(GEN8_L3SQCREG1, D_BXT, F_CMD_ACCESS, NULL, NULL);
3281 
3282         MMIO_DFH(GEN9_CTX_PREEMPT_REG, D_BXT, F_CMD_ACCESS, NULL, NULL);
3283 
3284         return 0;
3285 }
3286 
3287 static struct gvt_mmio_block *find_mmio_block(struct intel_gvt *gvt,
3288                                               unsigned int offset)
3289 {
3290         unsigned long device = intel_gvt_get_device_type(gvt);
3291         struct gvt_mmio_block *block = gvt->mmio.mmio_block;
3292         int num = gvt->mmio.num_mmio_block;
3293         int i;
3294 
3295         for (i = 0; i < num; i++, block++) {
3296                 if (!(device & block->device))
3297                         continue;
3298                 if (offset >= i915_mmio_reg_offset(block->offset) &&
3299                     offset < i915_mmio_reg_offset(block->offset) + block->size)
3300                         return block;
3301         }
3302         return NULL;
3303 }
3304 
3305 /**
3306  * intel_gvt_clean_mmio_info - clean up MMIO information table for GVT device
3307  * @gvt: GVT device
3308  *
3309  * This function is called at the driver unloading stage, to clean up the MMIO
3310  * information table of GVT device
3311  *
3312  */
3313 void intel_gvt_clean_mmio_info(struct intel_gvt *gvt)
3314 {
3315         struct hlist_node *tmp;
3316         struct intel_gvt_mmio_info *e;
3317         int i;
3318 
3319         hash_for_each_safe(gvt->mmio.mmio_info_table, i, tmp, e, node)
3320                 kfree(e);
3321 
3322         vfree(gvt->mmio.mmio_attribute);
3323         gvt->mmio.mmio_attribute = NULL;
3324 }
3325 
3326 /* Special MMIO blocks. */
3327 static struct gvt_mmio_block mmio_blocks[] = {
3328         {D_SKL_PLUS, _MMIO(CSR_MMIO_START_RANGE), 0x3000, NULL, NULL},
3329         {D_ALL, _MMIO(MCHBAR_MIRROR_BASE_SNB), 0x40000, NULL, NULL},
3330         {D_ALL, _MMIO(VGT_PVINFO_PAGE), VGT_PVINFO_SIZE,
3331                 pvinfo_mmio_read, pvinfo_mmio_write},
3332         {D_ALL, LGC_PALETTE(PIPE_A, 0), 1024, NULL, NULL},
3333         {D_ALL, LGC_PALETTE(PIPE_B, 0), 1024, NULL, NULL},
3334         {D_ALL, LGC_PALETTE(PIPE_C, 0), 1024, NULL, NULL},
3335 };
3336 
3337 /**
3338  * intel_gvt_setup_mmio_info - setup MMIO information table for GVT device
3339  * @gvt: GVT device
3340  *
3341  * This function is called at the initialization stage, to setup the MMIO
3342  * information table for GVT device
3343  *
3344  * Returns:
3345  * zero on success, negative if failed.
3346  */
3347 int intel_gvt_setup_mmio_info(struct intel_gvt *gvt)
3348 {
3349         struct intel_gvt_device_info *info = &gvt->device_info;
3350         struct drm_i915_private *dev_priv = gvt->dev_priv;
3351         int size = info->mmio_size / 4 * sizeof(*gvt->mmio.mmio_attribute);
3352         int ret;
3353 
3354         gvt->mmio.mmio_attribute = vzalloc(size);
3355         if (!gvt->mmio.mmio_attribute)
3356                 return -ENOMEM;
3357 
3358         ret = init_generic_mmio_info(gvt);
3359         if (ret)
3360                 goto err;
3361 
3362         if (IS_BROADWELL(dev_priv)) {
3363                 ret = init_broadwell_mmio_info(gvt);
3364                 if (ret)
3365                         goto err;
3366         } else if (IS_SKYLAKE(dev_priv)
3367                 || IS_KABYLAKE(dev_priv)
3368                 || IS_COFFEELAKE(dev_priv)) {
3369                 ret = init_broadwell_mmio_info(gvt);
3370                 if (ret)
3371                         goto err;
3372                 ret = init_skl_mmio_info(gvt);
3373                 if (ret)
3374                         goto err;
3375         } else if (IS_BROXTON(dev_priv)) {
3376                 ret = init_broadwell_mmio_info(gvt);
3377                 if (ret)
3378                         goto err;
3379                 ret = init_skl_mmio_info(gvt);
3380                 if (ret)
3381                         goto err;
3382                 ret = init_bxt_mmio_info(gvt);
3383                 if (ret)
3384                         goto err;
3385         }
3386 
3387         gvt->mmio.mmio_block = mmio_blocks;
3388         gvt->mmio.num_mmio_block = ARRAY_SIZE(mmio_blocks);
3389 
3390         return 0;
3391 err:
3392         intel_gvt_clean_mmio_info(gvt);
3393         return ret;
3394 }
3395 
3396 /**
3397  * intel_gvt_for_each_tracked_mmio - iterate each tracked mmio
3398  * @gvt: a GVT device
3399  * @handler: the handler
3400  * @data: private data given to handler
3401  *
3402  * Returns:
3403  * Zero on success, negative error code if failed.
3404  */
3405 int intel_gvt_for_each_tracked_mmio(struct intel_gvt *gvt,
3406         int (*handler)(struct intel_gvt *gvt, u32 offset, void *data),
3407         void *data)
3408 {
3409         struct gvt_mmio_block *block = gvt->mmio.mmio_block;
3410         struct intel_gvt_mmio_info *e;
3411         int i, j, ret;
3412 
3413         hash_for_each(gvt->mmio.mmio_info_table, i, e, node) {
3414                 ret = handler(gvt, e->offset, data);
3415                 if (ret)
3416                         return ret;
3417         }
3418 
3419         for (i = 0; i < gvt->mmio.num_mmio_block; i++, block++) {
3420                 for (j = 0; j < block->size; j += 4) {
3421                         ret = handler(gvt,
3422                                       i915_mmio_reg_offset(block->offset) + j,
3423                                       data);
3424                         if (ret)
3425                                 return ret;
3426                 }
3427         }
3428         return 0;
3429 }
3430 
3431 /**
3432  * intel_vgpu_default_mmio_read - default MMIO read handler
3433  * @vgpu: a vGPU
3434  * @offset: access offset
3435  * @p_data: data return buffer
3436  * @bytes: access data length
3437  *
3438  * Returns:
3439  * Zero on success, negative error code if failed.
3440  */
3441 int intel_vgpu_default_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
3442                 void *p_data, unsigned int bytes)
3443 {
3444         read_vreg(vgpu, offset, p_data, bytes);
3445         return 0;
3446 }
3447 
3448 /**
3449  * intel_t_default_mmio_write - default MMIO write handler
3450  * @vgpu: a vGPU
3451  * @offset: access offset
3452  * @p_data: write data buffer
3453  * @bytes: access data length
3454  *
3455  * Returns:
3456  * Zero on success, negative error code if failed.
3457  */
3458 int intel_vgpu_default_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
3459                 void *p_data, unsigned int bytes)
3460 {
3461         write_vreg(vgpu, offset, p_data, bytes);
3462         return 0;
3463 }
3464 
3465 /**
3466  * intel_vgpu_mask_mmio_write - write mask register
3467  * @vgpu: a vGPU
3468  * @offset: access offset
3469  * @p_data: write data buffer
3470  * @bytes: access data length
3471  *
3472  * Returns:
3473  * Zero on success, negative error code if failed.
3474  */
3475 int intel_vgpu_mask_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
3476                 void *p_data, unsigned int bytes)
3477 {
3478         u32 mask, old_vreg;
3479 
3480         old_vreg = vgpu_vreg(vgpu, offset);
3481         write_vreg(vgpu, offset, p_data, bytes);
3482         mask = vgpu_vreg(vgpu, offset) >> 16;
3483         vgpu_vreg(vgpu, offset) = (old_vreg & ~mask) |
3484                                 (vgpu_vreg(vgpu, offset) & mask);
3485 
3486         return 0;
3487 }
3488 
3489 /**
3490  * intel_gvt_in_force_nonpriv_whitelist - if a mmio is in whitelist to be
3491  * force-nopriv register
3492  *
3493  * @gvt: a GVT device
3494  * @offset: register offset
3495  *
3496  * Returns:
3497  * True if the register is in force-nonpriv whitelist;
3498  * False if outside;
3499  */
3500 bool intel_gvt_in_force_nonpriv_whitelist(struct intel_gvt *gvt,
3501                                           unsigned int offset)
3502 {
3503         return in_whitelist(offset);
3504 }
3505 
3506 /**
3507  * intel_vgpu_mmio_reg_rw - emulate tracked mmio registers
3508  * @vgpu: a vGPU
3509  * @offset: register offset
3510  * @pdata: data buffer
3511  * @bytes: data length
3512  * @is_read: read or write
3513  *
3514  * Returns:
3515  * Zero on success, negative error code if failed.
3516  */
3517 int intel_vgpu_mmio_reg_rw(struct intel_vgpu *vgpu, unsigned int offset,
3518                            void *pdata, unsigned int bytes, bool is_read)
3519 {
3520         struct intel_gvt *gvt = vgpu->gvt;
3521         struct intel_gvt_mmio_info *mmio_info;
3522         struct gvt_mmio_block *mmio_block;
3523         gvt_mmio_func func;
3524         int ret;
3525 
3526         if (WARN_ON(bytes > 8))
3527                 return -EINVAL;
3528 
3529         /*
3530          * Handle special MMIO blocks.
3531          */
3532         mmio_block = find_mmio_block(gvt, offset);
3533         if (mmio_block) {
3534                 func = is_read ? mmio_block->read : mmio_block->write;
3535                 if (func)
3536                         return func(vgpu, offset, pdata, bytes);
3537                 goto default_rw;
3538         }
3539 
3540         /*
3541          * Normal tracked MMIOs.
3542          */
3543         mmio_info = find_mmio_info(gvt, offset);
3544         if (!mmio_info) {
3545                 gvt_dbg_mmio("untracked MMIO %08x len %d\n", offset, bytes);
3546                 goto default_rw;
3547         }
3548 
3549         if (is_read)
3550                 return mmio_info->read(vgpu, offset, pdata, bytes);
3551         else {
3552                 u64 ro_mask = mmio_info->ro_mask;
3553                 u32 old_vreg = 0;
3554                 u64 data = 0;
3555 
3556                 if (intel_gvt_mmio_has_mode_mask(gvt, mmio_info->offset)) {
3557                         old_vreg = vgpu_vreg(vgpu, offset);
3558                 }
3559 
3560                 if (likely(!ro_mask))
3561                         ret = mmio_info->write(vgpu, offset, pdata, bytes);
3562                 else if (!~ro_mask) {
3563                         gvt_vgpu_err("try to write RO reg %x\n", offset);
3564                         return 0;
3565                 } else {
3566                         /* keep the RO bits in the virtual register */
3567                         memcpy(&data, pdata, bytes);
3568                         data &= ~ro_mask;
3569                         data |= vgpu_vreg(vgpu, offset) & ro_mask;
3570                         ret = mmio_info->write(vgpu, offset, &data, bytes);
3571                 }
3572 
3573                 /* higher 16bits of mode ctl regs are mask bits for change */
3574                 if (intel_gvt_mmio_has_mode_mask(gvt, mmio_info->offset)) {
3575                         u32 mask = vgpu_vreg(vgpu, offset) >> 16;
3576 
3577                         vgpu_vreg(vgpu, offset) = (old_vreg & ~mask)
3578                                         | (vgpu_vreg(vgpu, offset) & mask);
3579                 }
3580         }
3581 
3582         return ret;
3583 
3584 default_rw:
3585         return is_read ?
3586                 intel_vgpu_default_mmio_read(vgpu, offset, pdata, bytes) :
3587                 intel_vgpu_default_mmio_write(vgpu, offset, pdata, bytes);
3588 }

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