drivers/gpu/drm/amd/amdgpu/dce_v10_0.c

   1 /*
   2  * Copyright 2014 Advanced Micro Devices, Inc.
   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 shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23
  24 #include <drm/drm_fourcc.h>
  25 #include <drm/drm_vblank.h>
  26
  27 #include "amdgpu.h"
  28 #include "amdgpu_pm.h"
  29 #include "amdgpu_i2c.h"
  30 #include "vid.h"
  31 #include "atom.h"
  32 #include "amdgpu_atombios.h"
  33 #include "atombios_crtc.h"
  34 #include "atombios_encoders.h"
  35 #include "amdgpu_pll.h"
  36 #include "amdgpu_connectors.h"
  37 #include "amdgpu_display.h"
  38 #include "dce_v10_0.h"
  39
  40 #include "dce/dce_10_0_d.h"
  41 #include "dce/dce_10_0_sh_mask.h"
  42 #include "dce/dce_10_0_enum.h"
  43 #include "oss/oss_3_0_d.h"
  44 #include "oss/oss_3_0_sh_mask.h"
  45 #include "gmc/gmc_8_1_d.h"
  46 #include "gmc/gmc_8_1_sh_mask.h"
  47
  48 #include "ivsrcid/ivsrcid_vislands30.h"
  49
  50 static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev);
  51 static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev);
  52
  53 static const u32 crtc_offsets[] =
  54 {
  55         CRTC0_REGISTER_OFFSET,
  56         CRTC1_REGISTER_OFFSET,
  57         CRTC2_REGISTER_OFFSET,
  58         CRTC3_REGISTER_OFFSET,
  59         CRTC4_REGISTER_OFFSET,
  60         CRTC5_REGISTER_OFFSET,
  61         CRTC6_REGISTER_OFFSET
  62 };
  63
  64 static const u32 hpd_offsets[] =
  65 {
  66         HPD0_REGISTER_OFFSET,
  67         HPD1_REGISTER_OFFSET,
  68         HPD2_REGISTER_OFFSET,
  69         HPD3_REGISTER_OFFSET,
  70         HPD4_REGISTER_OFFSET,
  71         HPD5_REGISTER_OFFSET
  72 };
  73
  74 static const uint32_t dig_offsets[] = {
  75         DIG0_REGISTER_OFFSET,
  76         DIG1_REGISTER_OFFSET,
  77         DIG2_REGISTER_OFFSET,
  78         DIG3_REGISTER_OFFSET,
  79         DIG4_REGISTER_OFFSET,
  80         DIG5_REGISTER_OFFSET,
  81         DIG6_REGISTER_OFFSET
  82 };
  83
  84 static const struct {
  85         uint32_t        reg;
  86         uint32_t        vblank;
  87         uint32_t        vline;
  88         uint32_t        hpd;
  89
  90 } interrupt_status_offsets[] = { {
  91         .reg = mmDISP_INTERRUPT_STATUS,
  92         .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
  93         .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
  94         .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
  95 }, {
  96         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
  97         .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
  98         .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
  99         .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
 100 }, {
 101         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
 102         .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
 103         .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
 104         .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
 105 }, {
 106         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
 107         .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
 108         .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
 109         .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
 110 }, {
 111         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
 112         .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
 113         .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
 114         .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
 115 }, {
 116         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
 117         .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
 118         .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
 119         .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
 120 } };
 121
 122 static const u32 golden_settings_tonga_a11[] =
 123 {
 124         mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 125         mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 126         mmFBC_MISC, 0x1f311fff, 0x12300000,
 127         mmHDMI_CONTROL, 0x31000111, 0x00000011,
 128 };
 129
 130 static const u32 tonga_mgcg_cgcg_init[] =
 131 {
 132         mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 133         mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 134 };
 135
 136 static const u32 golden_settings_fiji_a10[] =
 137 {
 138         mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 139         mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 140         mmFBC_MISC, 0x1f311fff, 0x12300000,
 141         mmHDMI_CONTROL, 0x31000111, 0x00000011,
 142 };
 143
 144 static const u32 fiji_mgcg_cgcg_init[] =
 145 {
 146         mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 147         mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 148 };
 149
 150 static void dce_v10_0_init_golden_registers(struct amdgpu_device *adev)
 151 {
 152         switch (adev->asic_type) {
 153         case CHIP_FIJI:
 154                 amdgpu_device_program_register_sequence(adev,
 155                                                         fiji_mgcg_cgcg_init,
 156                                                         ARRAY_SIZE(fiji_mgcg_cgcg_init));
 157                 amdgpu_device_program_register_sequence(adev,
 158                                                         golden_settings_fiji_a10,
 159                                                         ARRAY_SIZE(golden_settings_fiji_a10));
 160                 break;
 161         case CHIP_TONGA:
 162                 amdgpu_device_program_register_sequence(adev,
 163                                                         tonga_mgcg_cgcg_init,
 164                                                         ARRAY_SIZE(tonga_mgcg_cgcg_init));
 165                 amdgpu_device_program_register_sequence(adev,
 166                                                         golden_settings_tonga_a11,
 167                                                         ARRAY_SIZE(golden_settings_tonga_a11));
 168                 break;
 169         default:
 170                 break;
 171         }
 172 }
 173
 174 static u32 dce_v10_0_audio_endpt_rreg(struct amdgpu_device *adev,
 175                                      u32 block_offset, u32 reg)
 176 {
 177         unsigned long flags;
 178         u32 r;
 179
 180         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 181         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 182         r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 183         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 184
 185         return r;
 186 }
 187
 188 static void dce_v10_0_audio_endpt_wreg(struct amdgpu_device *adev,
 189                                       u32 block_offset, u32 reg, u32 v)
 190 {
 191         unsigned long flags;
 192
 193         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 194         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 195         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 196         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 197 }
 198
 199 static u32 dce_v10_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 200 {
 201         if (crtc >= adev->mode_info.num_crtc)
 202                 return 0;
 203         else
 204                 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 205 }
 206
 207 static void dce_v10_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 208 {
 209         unsigned i;
 210
 211         /* Enable pflip interrupts */
 212         for (i = 0; i < adev->mode_info.num_crtc; i++)
 213                 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 214 }
 215
 216 static void dce_v10_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 217 {
 218         unsigned i;
 219
 220         /* Disable pflip interrupts */
 221         for (i = 0; i < adev->mode_info.num_crtc; i++)
 222                 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 223 }
 224
 225 /**
 226  * dce_v10_0_page_flip - pageflip callback.
 227  *
 228  * @adev: amdgpu_device pointer
 229  * @crtc_id: crtc to cleanup pageflip on
 230  * @crtc_base: new address of the crtc (GPU MC address)
 231  *
 232  * Triggers the actual pageflip by updating the primary
 233  * surface base address.
 234  */
 235 static void dce_v10_0_page_flip(struct amdgpu_device *adev,
 236                                 int crtc_id, u64 crtc_base, bool async)
 237 {
 238         struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 239         struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
 240         u32 tmp;
 241
 242         /* flip at hsync for async, default is vsync */
 243         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
 244         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
 245                             GRPH_SURFACE_UPDATE_H_RETRACE_EN, async ? 1 : 0);
 246         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 247         /* update pitch */
 248         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
 249                fb->pitches[0] / fb->format->cpp[0]);
 250         /* update the primary scanout address */
 251         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 252                upper_32_bits(crtc_base));
 253         /* writing to the low address triggers the update */
 254         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 255                lower_32_bits(crtc_base));
 256         /* post the write */
 257         RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 258 }
 259
 260 static int dce_v10_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 261                                         u32 *vbl, u32 *position)
 262 {
 263         if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 264                 return -EINVAL;
 265
 266         *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 267         *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 268
 269         return 0;
 270 }
 271
 272 /**
 273  * dce_v10_0_hpd_sense - hpd sense callback.
 274  *
 275  * @adev: amdgpu_device pointer
 276  * @hpd: hpd (hotplug detect) pin
 277  *
 278  * Checks if a digital monitor is connected (evergreen+).
 279  * Returns true if connected, false if not connected.
 280  */
 281 static bool dce_v10_0_hpd_sense(struct amdgpu_device *adev,
 282                                enum amdgpu_hpd_id hpd)
 283 {
 284         bool connected = false;
 285
 286         if (hpd >= adev->mode_info.num_hpd)
 287                 return connected;
 288
 289         if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
 290             DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
 291                 connected = true;
 292
 293         return connected;
 294 }
 295
 296 /**
 297  * dce_v10_0_hpd_set_polarity - hpd set polarity callback.
 298  *
 299  * @adev: amdgpu_device pointer
 300  * @hpd: hpd (hotplug detect) pin
 301  *
 302  * Set the polarity of the hpd pin (evergreen+).
 303  */
 304 static void dce_v10_0_hpd_set_polarity(struct amdgpu_device *adev,
 305                                       enum amdgpu_hpd_id hpd)
 306 {
 307         u32 tmp;
 308         bool connected = dce_v10_0_hpd_sense(adev, hpd);
 309
 310         if (hpd >= adev->mode_info.num_hpd)
 311                 return;
 312
 313         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
 314         if (connected)
 315                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
 316         else
 317                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
 318         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
 319 }
 320
 321 /**
 322  * dce_v10_0_hpd_init - hpd setup callback.
 323  *
 324  * @adev: amdgpu_device pointer
 325  *
 326  * Setup the hpd pins used by the card (evergreen+).
 327  * Enable the pin, set the polarity, and enable the hpd interrupts.
 328  */
 329 static void dce_v10_0_hpd_init(struct amdgpu_device *adev)
 330 {
 331         struct drm_device *dev = adev_to_drm(adev);
 332         struct drm_connector *connector;
 333         struct drm_connector_list_iter iter;
 334         u32 tmp;
 335
 336         drm_connector_list_iter_begin(dev, &iter);
 337         drm_for_each_connector_iter(connector, &iter) {
 338                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 339
 340                 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 341                         continue;
 342
 343                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 344                     connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 345                         /* don't try to enable hpd on eDP or LVDS avoid breaking the
 346                          * aux dp channel on imac and help (but not completely fix)
 347                          * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 348                          * also avoid interrupt storms during dpms.
 349                          */
 350                         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 351                         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
 352                         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 353                         continue;
 354                 }
 355
 356                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 357                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
 358                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 359
 360                 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 361                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 362                                     DC_HPD_CONNECT_INT_DELAY,
 363                                     AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
 364                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 365                                     DC_HPD_DISCONNECT_INT_DELAY,
 366                                     AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
 367                 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 368
 369                 dce_v10_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 370                 amdgpu_irq_get(adev, &adev->hpd_irq,
 371                                amdgpu_connector->hpd.hpd);
 372         }
 373         drm_connector_list_iter_end(&iter);
 374 }
 375
 376 /**
 377  * dce_v10_0_hpd_fini - hpd tear down callback.
 378  *
 379  * @adev: amdgpu_device pointer
 380  *
 381  * Tear down the hpd pins used by the card (evergreen+).
 382  * Disable the hpd interrupts.
 383  */
 384 static void dce_v10_0_hpd_fini(struct amdgpu_device *adev)
 385 {
 386         struct drm_device *dev = adev_to_drm(adev);
 387         struct drm_connector *connector;
 388         struct drm_connector_list_iter iter;
 389         u32 tmp;
 390
 391         drm_connector_list_iter_begin(dev, &iter);
 392         drm_for_each_connector_iter(connector, &iter) {
 393                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 394
 395                 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 396                         continue;
 397
 398                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 399                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
 400                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 401
 402                 amdgpu_irq_put(adev, &adev->hpd_irq,
 403                                amdgpu_connector->hpd.hpd);
 404         }
 405         drm_connector_list_iter_end(&iter);
 406 }
 407
 408 static u32 dce_v10_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 409 {
 410         return mmDC_GPIO_HPD_A;
 411 }
 412
 413 static bool dce_v10_0_is_display_hung(struct amdgpu_device *adev)
 414 {
 415         u32 crtc_hung = 0;
 416         u32 crtc_status[6];
 417         u32 i, j, tmp;
 418
 419         for (i = 0; i < adev->mode_info.num_crtc; i++) {
 420                 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 421                 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
 422                         crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 423                         crtc_hung |= (1 << i);
 424                 }
 425         }
 426
 427         for (j = 0; j < 10; j++) {
 428                 for (i = 0; i < adev->mode_info.num_crtc; i++) {
 429                         if (crtc_hung & (1 << i)) {
 430                                 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 431                                 if (tmp != crtc_status[i])
 432                                         crtc_hung &= ~(1 << i);
 433                         }
 434                 }
 435                 if (crtc_hung == 0)
 436                         return false;
 437                 udelay(100);
 438         }
 439
 440         return true;
 441 }
 442
 443 static void dce_v10_0_set_vga_render_state(struct amdgpu_device *adev,
 444                                            bool render)
 445 {
 446         u32 tmp;
 447
 448         /* Lockout access through VGA aperture*/
 449         tmp = RREG32(mmVGA_HDP_CONTROL);
 450         if (render)
 451                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
 452         else
 453                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
 454         WREG32(mmVGA_HDP_CONTROL, tmp);
 455
 456         /* disable VGA render */
 457         tmp = RREG32(mmVGA_RENDER_CONTROL);
 458         if (render)
 459                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
 460         else
 461                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 462         WREG32(mmVGA_RENDER_CONTROL, tmp);
 463 }
 464
 465 static int dce_v10_0_get_num_crtc(struct amdgpu_device *adev)
 466 {
 467         int num_crtc = 0;
 468
 469         switch (adev->asic_type) {
 470         case CHIP_FIJI:
 471         case CHIP_TONGA:
 472                 num_crtc = 6;
 473                 break;
 474         default:
 475                 num_crtc = 0;
 476         }
 477         return num_crtc;
 478 }
 479
 480 void dce_v10_0_disable_dce(struct amdgpu_device *adev)
 481 {
 482         /*Disable VGA render and enabled crtc, if has DCE engine*/
 483         if (amdgpu_atombios_has_dce_engine_info(adev)) {
 484                 u32 tmp;
 485                 int crtc_enabled, i;
 486
 487                 dce_v10_0_set_vga_render_state(adev, false);
 488
 489                 /*Disable crtc*/
 490                 for (i = 0; i < dce_v10_0_get_num_crtc(adev); i++) {
 491                         crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
 492                                                                          CRTC_CONTROL, CRTC_MASTER_EN);
 493                         if (crtc_enabled) {
 494                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 495                                 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 496                                 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
 497                                 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 498                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 499                         }
 500                 }
 501         }
 502 }
 503
 504 static void dce_v10_0_program_fmt(struct drm_encoder *encoder)
 505 {
 506         struct drm_device *dev = encoder->dev;
 507         struct amdgpu_device *adev = drm_to_adev(dev);
 508         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 509         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 510         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 511         int bpc = 0;
 512         u32 tmp = 0;
 513         enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 514
 515         if (connector) {
 516                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 517                 bpc = amdgpu_connector_get_monitor_bpc(connector);
 518                 dither = amdgpu_connector->dither;
 519         }
 520
 521         /* LVDS/eDP FMT is set up by atom */
 522         if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 523                 return;
 524
 525         /* not needed for analog */
 526         if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 527             (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 528                 return;
 529
 530         if (bpc == 0)
 531                 return;
 532
 533         switch (bpc) {
 534         case 6:
 535                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 536                         /* XXX sort out optimal dither settings */
 537                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 538                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 539                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 540                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
 541                 } else {
 542                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 543                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
 544                 }
 545                 break;
 546         case 8:
 547                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 548                         /* XXX sort out optimal dither settings */
 549                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 550                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 551                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 552                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 553                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
 554                 } else {
 555                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 556                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
 557                 }
 558                 break;
 559         case 10:
 560                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 561                         /* XXX sort out optimal dither settings */
 562                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 563                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 564                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 565                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 566                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
 567                 } else {
 568                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 569                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
 570                 }
 571                 break;
 572         default:
 573                 /* not needed */
 574                 break;
 575         }
 576
 577         WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 578 }
 579
 580
 581 /* display watermark setup */
 582 /**
 583  * dce_v10_0_line_buffer_adjust - Set up the line buffer
 584  *
 585  * @adev: amdgpu_device pointer
 586  * @amdgpu_crtc: the selected display controller
 587  * @mode: the current display mode on the selected display
 588  * controller
 589  *
 590  * Setup up the line buffer allocation for
 591  * the selected display controller (CIK).
 592  * Returns the line buffer size in pixels.
 593  */
 594 static u32 dce_v10_0_line_buffer_adjust(struct amdgpu_device *adev,
 595                                        struct amdgpu_crtc *amdgpu_crtc,
 596                                        struct drm_display_mode *mode)
 597 {
 598         u32 tmp, buffer_alloc, i, mem_cfg;
 599         u32 pipe_offset = amdgpu_crtc->crtc_id;
 600         /*
 601          * Line Buffer Setup
 602          * There are 6 line buffers, one for each display controllers.
 603          * There are 3 partitions per LB. Select the number of partitions
 604          * to enable based on the display width.  For display widths larger
 605          * than 4096, you need use to use 2 display controllers and combine
 606          * them using the stereo blender.
 607          */
 608         if (amdgpu_crtc->base.enabled && mode) {
 609                 if (mode->crtc_hdisplay < 1920) {
 610                         mem_cfg = 1;
 611                         buffer_alloc = 2;
 612                 } else if (mode->crtc_hdisplay < 2560) {
 613                         mem_cfg = 2;
 614                         buffer_alloc = 2;
 615                 } else if (mode->crtc_hdisplay < 4096) {
 616                         mem_cfg = 0;
 617                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 618                 } else {
 619                         DRM_DEBUG_KMS("Mode too big for LB!\n");
 620                         mem_cfg = 0;
 621                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 622                 }
 623         } else {
 624                 mem_cfg = 1;
 625                 buffer_alloc = 0;
 626         }
 627
 628         tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
 629         tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
 630         WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
 631
 632         tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 633         tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
 634         WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
 635
 636         for (i = 0; i < adev->usec_timeout; i++) {
 637                 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 638                 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
 639                         break;
 640                 udelay(1);
 641         }
 642
 643         if (amdgpu_crtc->base.enabled && mode) {
 644                 switch (mem_cfg) {
 645                 case 0:
 646                 default:
 647                         return 4096 * 2;
 648                 case 1:
 649                         return 1920 * 2;
 650                 case 2:
 651                         return 2560 * 2;
 652                 }
 653         }
 654
 655         /* controller not enabled, so no lb used */
 656         return 0;
 657 }
 658
 659 /**
 660  * cik_get_number_of_dram_channels - get the number of dram channels
 661  *
 662  * @adev: amdgpu_device pointer
 663  *
 664  * Look up the number of video ram channels (CIK).
 665  * Used for display watermark bandwidth calculations
 666  * Returns the number of dram channels
 667  */
 668 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
 669 {
 670         u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 671
 672         switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
 673         case 0:
 674         default:
 675                 return 1;
 676         case 1:
 677                 return 2;
 678         case 2:
 679                 return 4;
 680         case 3:
 681                 return 8;
 682         case 4:
 683                 return 3;
 684         case 5:
 685                 return 6;
 686         case 6:
 687                 return 10;
 688         case 7:
 689                 return 12;
 690         case 8:
 691                 return 16;
 692         }
 693 }
 694
 695 struct dce10_wm_params {
 696         u32 dram_channels; /* number of dram channels */
 697         u32 yclk;          /* bandwidth per dram data pin in kHz */
 698         u32 sclk;          /* engine clock in kHz */
 699         u32 disp_clk;      /* display clock in kHz */
 700         u32 src_width;     /* viewport width */
 701         u32 active_time;   /* active display time in ns */
 702         u32 blank_time;    /* blank time in ns */
 703         bool interlaced;    /* mode is interlaced */
 704         fixed20_12 vsc;    /* vertical scale ratio */
 705         u32 num_heads;     /* number of active crtcs */
 706         u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 707         u32 lb_size;       /* line buffer allocated to pipe */
 708         u32 vtaps;         /* vertical scaler taps */
 709 };
 710
 711 /**
 712  * dce_v10_0_dram_bandwidth - get the dram bandwidth
 713  *
 714  * @wm: watermark calculation data
 715  *
 716  * Calculate the raw dram bandwidth (CIK).
 717  * Used for display watermark bandwidth calculations
 718  * Returns the dram bandwidth in MBytes/s
 719  */
 720 static u32 dce_v10_0_dram_bandwidth(struct dce10_wm_params *wm)
 721 {
 722         /* Calculate raw DRAM Bandwidth */
 723         fixed20_12 dram_efficiency; /* 0.7 */
 724         fixed20_12 yclk, dram_channels, bandwidth;
 725         fixed20_12 a;
 726
 727         a.full = dfixed_const(1000);
 728         yclk.full = dfixed_const(wm->yclk);
 729         yclk.full = dfixed_div(yclk, a);
 730         dram_channels.full = dfixed_const(wm->dram_channels * 4);
 731         a.full = dfixed_const(10);
 732         dram_efficiency.full = dfixed_const(7);
 733         dram_efficiency.full = dfixed_div(dram_efficiency, a);
 734         bandwidth.full = dfixed_mul(dram_channels, yclk);
 735         bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 736
 737         return dfixed_trunc(bandwidth);
 738 }
 739
 740 /**
 741  * dce_v10_0_dram_bandwidth_for_display - get the dram bandwidth for display
 742  *
 743  * @wm: watermark calculation data
 744  *
 745  * Calculate the dram bandwidth used for display (CIK).
 746  * Used for display watermark bandwidth calculations
 747  * Returns the dram bandwidth for display in MBytes/s
 748  */
 749 static u32 dce_v10_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 750 {
 751         /* Calculate DRAM Bandwidth and the part allocated to display. */
 752         fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 753         fixed20_12 yclk, dram_channels, bandwidth;
 754         fixed20_12 a;
 755
 756         a.full = dfixed_const(1000);
 757         yclk.full = dfixed_const(wm->yclk);
 758         yclk.full = dfixed_div(yclk, a);
 759         dram_channels.full = dfixed_const(wm->dram_channels * 4);
 760         a.full = dfixed_const(10);
 761         disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 762         disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 763         bandwidth.full = dfixed_mul(dram_channels, yclk);
 764         bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 765
 766         return dfixed_trunc(bandwidth);
 767 }
 768
 769 /**
 770  * dce_v10_0_data_return_bandwidth - get the data return bandwidth
 771  *
 772  * @wm: watermark calculation data
 773  *
 774  * Calculate the data return bandwidth used for display (CIK).
 775  * Used for display watermark bandwidth calculations
 776  * Returns the data return bandwidth in MBytes/s
 777  */
 778 static u32 dce_v10_0_data_return_bandwidth(struct dce10_wm_params *wm)
 779 {
 780         /* Calculate the display Data return Bandwidth */
 781         fixed20_12 return_efficiency; /* 0.8 */
 782         fixed20_12 sclk, bandwidth;
 783         fixed20_12 a;
 784
 785         a.full = dfixed_const(1000);
 786         sclk.full = dfixed_const(wm->sclk);
 787         sclk.full = dfixed_div(sclk, a);
 788         a.full = dfixed_const(10);
 789         return_efficiency.full = dfixed_const(8);
 790         return_efficiency.full = dfixed_div(return_efficiency, a);
 791         a.full = dfixed_const(32);
 792         bandwidth.full = dfixed_mul(a, sclk);
 793         bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 794
 795         return dfixed_trunc(bandwidth);
 796 }
 797
 798 /**
 799  * dce_v10_0_dmif_request_bandwidth - get the dmif bandwidth
 800  *
 801  * @wm: watermark calculation data
 802  *
 803  * Calculate the dmif bandwidth used for display (CIK).
 804  * Used for display watermark bandwidth calculations
 805  * Returns the dmif bandwidth in MBytes/s
 806  */
 807 static u32 dce_v10_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
 808 {
 809         /* Calculate the DMIF Request Bandwidth */
 810         fixed20_12 disp_clk_request_efficiency; /* 0.8 */
 811         fixed20_12 disp_clk, bandwidth;
 812         fixed20_12 a, b;
 813
 814         a.full = dfixed_const(1000);
 815         disp_clk.full = dfixed_const(wm->disp_clk);
 816         disp_clk.full = dfixed_div(disp_clk, a);
 817         a.full = dfixed_const(32);
 818         b.full = dfixed_mul(a, disp_clk);
 819
 820         a.full = dfixed_const(10);
 821         disp_clk_request_efficiency.full = dfixed_const(8);
 822         disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
 823
 824         bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
 825
 826         return dfixed_trunc(bandwidth);
 827 }
 828
 829 /**
 830  * dce_v10_0_available_bandwidth - get the min available bandwidth
 831  *
 832  * @wm: watermark calculation data
 833  *
 834  * Calculate the min available bandwidth used for display (CIK).
 835  * Used for display watermark bandwidth calculations
 836  * Returns the min available bandwidth in MBytes/s
 837  */
 838 static u32 dce_v10_0_available_bandwidth(struct dce10_wm_params *wm)
 839 {
 840         /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
 841         u32 dram_bandwidth = dce_v10_0_dram_bandwidth(wm);
 842         u32 data_return_bandwidth = dce_v10_0_data_return_bandwidth(wm);
 843         u32 dmif_req_bandwidth = dce_v10_0_dmif_request_bandwidth(wm);
 844
 845         return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
 846 }
 847
 848 /**
 849  * dce_v10_0_average_bandwidth - get the average available bandwidth
 850  *
 851  * @wm: watermark calculation data
 852  *
 853  * Calculate the average available bandwidth used for display (CIK).
 854  * Used for display watermark bandwidth calculations
 855  * Returns the average available bandwidth in MBytes/s
 856  */
 857 static u32 dce_v10_0_average_bandwidth(struct dce10_wm_params *wm)
 858 {
 859         /* Calculate the display mode Average Bandwidth
 860          * DisplayMode should contain the source and destination dimensions,
 861          * timing, etc.
 862          */
 863         fixed20_12 bpp;
 864         fixed20_12 line_time;
 865         fixed20_12 src_width;
 866         fixed20_12 bandwidth;
 867         fixed20_12 a;
 868
 869         a.full = dfixed_const(1000);
 870         line_time.full = dfixed_const(wm->active_time + wm->blank_time);
 871         line_time.full = dfixed_div(line_time, a);
 872         bpp.full = dfixed_const(wm->bytes_per_pixel);
 873         src_width.full = dfixed_const(wm->src_width);
 874         bandwidth.full = dfixed_mul(src_width, bpp);
 875         bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
 876         bandwidth.full = dfixed_div(bandwidth, line_time);
 877
 878         return dfixed_trunc(bandwidth);
 879 }
 880
 881 /**
 882  * dce_v10_0_latency_watermark - get the latency watermark
 883  *
 884  * @wm: watermark calculation data
 885  *
 886  * Calculate the latency watermark (CIK).
 887  * Used for display watermark bandwidth calculations
 888  * Returns the latency watermark in ns
 889  */
 890 static u32 dce_v10_0_latency_watermark(struct dce10_wm_params *wm)
 891 {
 892         /* First calculate the latency in ns */
 893         u32 mc_latency = 2000; /* 2000 ns. */
 894         u32 available_bandwidth = dce_v10_0_available_bandwidth(wm);
 895         u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
 896         u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
 897         u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
 898         u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
 899                 (wm->num_heads * cursor_line_pair_return_time);
 900         u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
 901         u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
 902         u32 tmp, dmif_size = 12288;
 903         fixed20_12 a, b, c;
 904
 905         if (wm->num_heads == 0)
 906                 return 0;
 907
 908         a.full = dfixed_const(2);
 909         b.full = dfixed_const(1);
 910         if ((wm->vsc.full > a.full) ||
 911             ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
 912             (wm->vtaps >= 5) ||
 913             ((wm->vsc.full >= a.full) && wm->interlaced))
 914                 max_src_lines_per_dst_line = 4;
 915         else
 916                 max_src_lines_per_dst_line = 2;
 917
 918         a.full = dfixed_const(available_bandwidth);
 919         b.full = dfixed_const(wm->num_heads);
 920         a.full = dfixed_div(a, b);
 921         tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
 922         tmp = min(dfixed_trunc(a), tmp);
 923
 924         lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
 925
 926         a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 927         b.full = dfixed_const(1000);
 928         c.full = dfixed_const(lb_fill_bw);
 929         b.full = dfixed_div(c, b);
 930         a.full = dfixed_div(a, b);
 931         line_fill_time = dfixed_trunc(a);
 932
 933         if (line_fill_time < wm->active_time)
 934                 return latency;
 935         else
 936                 return latency + (line_fill_time - wm->active_time);
 937
 938 }
 939
 940 /**
 941  * dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display - check
 942  * average and available dram bandwidth
 943  *
 944  * @wm: watermark calculation data
 945  *
 946  * Check if the display average bandwidth fits in the display
 947  * dram bandwidth (CIK).
 948  * Used for display watermark bandwidth calculations
 949  * Returns true if the display fits, false if not.
 950  */
 951 static bool dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 952 {
 953         if (dce_v10_0_average_bandwidth(wm) <=
 954             (dce_v10_0_dram_bandwidth_for_display(wm) / wm->num_heads))
 955                 return true;
 956         else
 957                 return false;
 958 }
 959
 960 /**
 961  * dce_v10_0_average_bandwidth_vs_available_bandwidth - check
 962  * average and available bandwidth
 963  *
 964  * @wm: watermark calculation data
 965  *
 966  * Check if the display average bandwidth fits in the display
 967  * available bandwidth (CIK).
 968  * Used for display watermark bandwidth calculations
 969  * Returns true if the display fits, false if not.
 970  */
 971 static bool dce_v10_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
 972 {
 973         if (dce_v10_0_average_bandwidth(wm) <=
 974             (dce_v10_0_available_bandwidth(wm) / wm->num_heads))
 975                 return true;
 976         else
 977                 return false;
 978 }
 979
 980 /**
 981  * dce_v10_0_check_latency_hiding - check latency hiding
 982  *
 983  * @wm: watermark calculation data
 984  *
 985  * Check latency hiding (CIK).
 986  * Used for display watermark bandwidth calculations
 987  * Returns true if the display fits, false if not.
 988  */
 989 static bool dce_v10_0_check_latency_hiding(struct dce10_wm_params *wm)
 990 {
 991         u32 lb_partitions = wm->lb_size / wm->src_width;
 992         u32 line_time = wm->active_time + wm->blank_time;
 993         u32 latency_tolerant_lines;
 994         u32 latency_hiding;
 995         fixed20_12 a;
 996
 997         a.full = dfixed_const(1);
 998         if (wm->vsc.full > a.full)
 999                 latency_tolerant_lines = 1;
1000         else {
1001                 if (lb_partitions <= (wm->vtaps + 1))
1002                         latency_tolerant_lines = 1;
1003                 else
1004                         latency_tolerant_lines = 2;
1005         }
1006
1007         latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1008
1009         if (dce_v10_0_latency_watermark(wm) <= latency_hiding)
1010                 return true;
1011         else
1012                 return false;
1013 }
1014
1015 /**
1016  * dce_v10_0_program_watermarks - program display watermarks
1017  *
1018  * @adev: amdgpu_device pointer
1019  * @amdgpu_crtc: the selected display controller
1020  * @lb_size: line buffer size
1021  * @num_heads: number of display controllers in use
1022  *
1023  * Calculate and program the display watermarks for the
1024  * selected display controller (CIK).
1025  */
1026 static void dce_v10_0_program_watermarks(struct amdgpu_device *adev,
1027                                         struct amdgpu_crtc *amdgpu_crtc,
1028                                         u32 lb_size, u32 num_heads)
1029 {
1030         struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1031         struct dce10_wm_params wm_low, wm_high;
1032         u32 active_time;
1033         u32 line_time = 0;
1034         u32 latency_watermark_a = 0, latency_watermark_b = 0;
1035         u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1036
1037         if (amdgpu_crtc->base.enabled && num_heads && mode) {
1038                 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1039                                             (u32)mode->clock);
1040                 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1041                                           (u32)mode->clock);
1042                 line_time = min(line_time, (u32)65535);
1043
1044                 /* watermark for high clocks */
1045                 if (adev->pm.dpm_enabled) {
1046                         wm_high.yclk =
1047                                 amdgpu_dpm_get_mclk(adev, false) * 10;
1048                         wm_high.sclk =
1049                                 amdgpu_dpm_get_sclk(adev, false) * 10;
1050                 } else {
1051                         wm_high.yclk = adev->pm.current_mclk * 10;
1052                         wm_high.sclk = adev->pm.current_sclk * 10;
1053                 }
1054
1055                 wm_high.disp_clk = mode->clock;
1056                 wm_high.src_width = mode->crtc_hdisplay;
1057                 wm_high.active_time = active_time;
1058                 wm_high.blank_time = line_time - wm_high.active_time;
1059                 wm_high.interlaced = false;
1060                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1061                         wm_high.interlaced = true;
1062                 wm_high.vsc = amdgpu_crtc->vsc;
1063                 wm_high.vtaps = 1;
1064                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1065                         wm_high.vtaps = 2;
1066                 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1067                 wm_high.lb_size = lb_size;
1068                 wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1069                 wm_high.num_heads = num_heads;
1070
1071                 /* set for high clocks */
1072                 latency_watermark_a = min(dce_v10_0_latency_watermark(&wm_high), (u32)65535);
1073
1074                 /* possibly force display priority to high */
1075                 /* should really do this at mode validation time... */
1076                 if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1077                     !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1078                     !dce_v10_0_check_latency_hiding(&wm_high) ||
1079                     (adev->mode_info.disp_priority == 2)) {
1080                         DRM_DEBUG_KMS("force priority to high\n");
1081                 }
1082
1083                 /* watermark for low clocks */
1084                 if (adev->pm.dpm_enabled) {
1085                         wm_low.yclk =
1086                                 amdgpu_dpm_get_mclk(adev, true) * 10;
1087                         wm_low.sclk =
1088                                 amdgpu_dpm_get_sclk(adev, true) * 10;
1089                 } else {
1090                         wm_low.yclk = adev->pm.current_mclk * 10;
1091                         wm_low.sclk = adev->pm.current_sclk * 10;
1092                 }
1093
1094                 wm_low.disp_clk = mode->clock;
1095                 wm_low.src_width = mode->crtc_hdisplay;
1096                 wm_low.active_time = active_time;
1097                 wm_low.blank_time = line_time - wm_low.active_time;
1098                 wm_low.interlaced = false;
1099                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1100                         wm_low.interlaced = true;
1101                 wm_low.vsc = amdgpu_crtc->vsc;
1102                 wm_low.vtaps = 1;
1103                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1104                         wm_low.vtaps = 2;
1105                 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1106                 wm_low.lb_size = lb_size;
1107                 wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1108                 wm_low.num_heads = num_heads;
1109
1110                 /* set for low clocks */
1111                 latency_watermark_b = min(dce_v10_0_latency_watermark(&wm_low), (u32)65535);
1112
1113                 /* possibly force display priority to high */
1114                 /* should really do this at mode validation time... */
1115                 if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1116                     !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1117                     !dce_v10_0_check_latency_hiding(&wm_low) ||
1118                     (adev->mode_info.disp_priority == 2)) {
1119                         DRM_DEBUG_KMS("force priority to high\n");
1120                 }
1121                 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1122         }
1123
1124         /* select wm A */
1125         wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1126         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1127         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1128         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1129         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1130         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1131         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1132         /* select wm B */
1133         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1134         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1135         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1136         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1137         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1138         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1139         /* restore original selection */
1140         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1141
1142         /* save values for DPM */
1143         amdgpu_crtc->line_time = line_time;
1144         amdgpu_crtc->wm_high = latency_watermark_a;
1145         amdgpu_crtc->wm_low = latency_watermark_b;
1146         /* Save number of lines the linebuffer leads before the scanout */
1147         amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1148 }
1149
1150 /**
1151  * dce_v10_0_bandwidth_update - program display watermarks
1152  *
1153  * @adev: amdgpu_device pointer
1154  *
1155  * Calculate and program the display watermarks and line
1156  * buffer allocation (CIK).
1157  */
1158 static void dce_v10_0_bandwidth_update(struct amdgpu_device *adev)
1159 {
1160         struct drm_display_mode *mode = NULL;
1161         u32 num_heads = 0, lb_size;
1162         int i;
1163
1164         amdgpu_display_update_priority(adev);
1165
1166         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1167                 if (adev->mode_info.crtcs[i]->base.enabled)
1168                         num_heads++;
1169         }
1170         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1171                 mode = &adev->mode_info.crtcs[i]->base.mode;
1172                 lb_size = dce_v10_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1173                 dce_v10_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1174                                             lb_size, num_heads);
1175         }
1176 }
1177
1178 static void dce_v10_0_audio_get_connected_pins(struct amdgpu_device *adev)
1179 {
1180         int i;
1181         u32 offset, tmp;
1182
1183         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1184                 offset = adev->mode_info.audio.pin[i].offset;
1185                 tmp = RREG32_AUDIO_ENDPT(offset,
1186                                          ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1187                 if (((tmp &
1188                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1189                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1190                         adev->mode_info.audio.pin[i].connected = false;
1191                 else
1192                         adev->mode_info.audio.pin[i].connected = true;
1193         }
1194 }
1195
1196 static struct amdgpu_audio_pin *dce_v10_0_audio_get_pin(struct amdgpu_device *adev)
1197 {
1198         int i;
1199
1200         dce_v10_0_audio_get_connected_pins(adev);
1201
1202         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1203                 if (adev->mode_info.audio.pin[i].connected)
1204                         return &adev->mode_info.audio.pin[i];
1205         }
1206         DRM_ERROR("No connected audio pins found!\n");
1207         return NULL;
1208 }
1209
1210 static void dce_v10_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1211 {
1212         struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1213         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1214         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1215         u32 tmp;
1216
1217         if (!dig || !dig->afmt || !dig->afmt->pin)
1218                 return;
1219
1220         tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1221         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1222         WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1223 }
1224
1225 static void dce_v10_0_audio_write_latency_fields(struct drm_encoder *encoder,
1226                                                 struct drm_display_mode *mode)
1227 {
1228         struct drm_device *dev = encoder->dev;
1229         struct amdgpu_device *adev = drm_to_adev(dev);
1230         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1231         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1232         struct drm_connector *connector;
1233         struct drm_connector_list_iter iter;
1234         struct amdgpu_connector *amdgpu_connector = NULL;
1235         u32 tmp;
1236         int interlace = 0;
1237
1238         if (!dig || !dig->afmt || !dig->afmt->pin)
1239                 return;
1240
1241         drm_connector_list_iter_begin(dev, &iter);
1242         drm_for_each_connector_iter(connector, &iter) {
1243                 if (connector->encoder == encoder) {
1244                         amdgpu_connector = to_amdgpu_connector(connector);
1245                         break;
1246                 }
1247         }
1248         drm_connector_list_iter_end(&iter);
1249
1250         if (!amdgpu_connector) {
1251                 DRM_ERROR("Couldn't find encoder's connector\n");
1252                 return;
1253         }
1254
1255         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1256                 interlace = 1;
1257         if (connector->latency_present[interlace]) {
1258                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1259                                     VIDEO_LIPSYNC, connector->video_latency[interlace]);
1260                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1261                                     AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1262         } else {
1263                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1264                                     VIDEO_LIPSYNC, 0);
1265                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1266                                     AUDIO_LIPSYNC, 0);
1267         }
1268         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1269                            ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1270 }
1271
1272 static void dce_v10_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1273 {
1274         struct drm_device *dev = encoder->dev;
1275         struct amdgpu_device *adev = drm_to_adev(dev);
1276         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1277         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1278         struct drm_connector *connector;
1279         struct drm_connector_list_iter iter;
1280         struct amdgpu_connector *amdgpu_connector = NULL;
1281         u32 tmp;
1282         u8 *sadb = NULL;
1283         int sad_count;
1284
1285         if (!dig || !dig->afmt || !dig->afmt->pin)
1286                 return;
1287
1288         drm_connector_list_iter_begin(dev, &iter);
1289         drm_for_each_connector_iter(connector, &iter) {
1290                 if (connector->encoder == encoder) {
1291                         amdgpu_connector = to_amdgpu_connector(connector);
1292                         break;
1293                 }
1294         }
1295         drm_connector_list_iter_end(&iter);
1296
1297         if (!amdgpu_connector) {
1298                 DRM_ERROR("Couldn't find encoder's connector\n");
1299                 return;
1300         }
1301
1302         sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1303         if (sad_count < 0) {
1304                 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1305                 sad_count = 0;
1306         }
1307
1308         /* program the speaker allocation */
1309         tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1310                                  ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1311         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1312                             DP_CONNECTION, 0);
1313         /* set HDMI mode */
1314         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1315                             HDMI_CONNECTION, 1);
1316         if (sad_count)
1317                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1318                                     SPEAKER_ALLOCATION, sadb[0]);
1319         else
1320                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1321                                     SPEAKER_ALLOCATION, 5); /* stereo */
1322         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1323                            ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1324
1325         kfree(sadb);
1326 }
1327
1328 static void dce_v10_0_audio_write_sad_regs(struct drm_encoder *encoder)
1329 {
1330         struct drm_device *dev = encoder->dev;
1331         struct amdgpu_device *adev = drm_to_adev(dev);
1332         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1333         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1334         struct drm_connector *connector;
1335         struct drm_connector_list_iter iter;
1336         struct amdgpu_connector *amdgpu_connector = NULL;
1337         struct cea_sad *sads;
1338         int i, sad_count;
1339
1340         static const u16 eld_reg_to_type[][2] = {
1341                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1342                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1343                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1344                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1345                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1346                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1347                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1348                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1349                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1350                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1351                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1352                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1353         };
1354
1355         if (!dig || !dig->afmt || !dig->afmt->pin)
1356                 return;
1357
1358         drm_connector_list_iter_begin(dev, &iter);
1359         drm_for_each_connector_iter(connector, &iter) {
1360                 if (connector->encoder == encoder) {
1361                         amdgpu_connector = to_amdgpu_connector(connector);
1362                         break;
1363                 }
1364         }
1365         drm_connector_list_iter_end(&iter);
1366
1367         if (!amdgpu_connector) {
1368                 DRM_ERROR("Couldn't find encoder's connector\n");
1369                 return;
1370         }
1371
1372         sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1373         if (sad_count < 0)
1374                 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1375         if (sad_count <= 0)
1376                 return;
1377         BUG_ON(!sads);
1378
1379         for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1380                 u32 tmp = 0;
1381                 u8 stereo_freqs = 0;
1382                 int max_channels = -1;
1383                 int j;
1384
1385                 for (j = 0; j < sad_count; j++) {
1386                         struct cea_sad *sad = &sads[j];
1387
1388                         if (sad->format == eld_reg_to_type[i][1]) {
1389                                 if (sad->channels > max_channels) {
1390                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1391                                                             MAX_CHANNELS, sad->channels);
1392                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1393                                                             DESCRIPTOR_BYTE_2, sad->byte2);
1394                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1395                                                             SUPPORTED_FREQUENCIES, sad->freq);
1396                                         max_channels = sad->channels;
1397                                 }
1398
1399                                 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1400                                         stereo_freqs |= sad->freq;
1401                                 else
1402                                         break;
1403                         }
1404                 }
1405
1406                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1407                                     SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1408                 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1409         }
1410
1411         kfree(sads);
1412 }
1413
1414 static void dce_v10_0_audio_enable(struct amdgpu_device *adev,
1415                                   struct amdgpu_audio_pin *pin,
1416                                   bool enable)
1417 {
1418         if (!pin)
1419                 return;
1420
1421         WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1422                            enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1423 }
1424
1425 static const u32 pin_offsets[] =
1426 {
1427         AUD0_REGISTER_OFFSET,
1428         AUD1_REGISTER_OFFSET,
1429         AUD2_REGISTER_OFFSET,
1430         AUD3_REGISTER_OFFSET,
1431         AUD4_REGISTER_OFFSET,
1432         AUD5_REGISTER_OFFSET,
1433         AUD6_REGISTER_OFFSET,
1434 };
1435
1436 static int dce_v10_0_audio_init(struct amdgpu_device *adev)
1437 {
1438         int i;
1439
1440         if (!amdgpu_audio)
1441                 return 0;
1442
1443         adev->mode_info.audio.enabled = true;
1444
1445         adev->mode_info.audio.num_pins = 7;
1446
1447         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1448                 adev->mode_info.audio.pin[i].channels = -1;
1449                 adev->mode_info.audio.pin[i].rate = -1;
1450                 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1451                 adev->mode_info.audio.pin[i].status_bits = 0;
1452                 adev->mode_info.audio.pin[i].category_code = 0;
1453                 adev->mode_info.audio.pin[i].connected = false;
1454                 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1455                 adev->mode_info.audio.pin[i].id = i;
1456                 /* disable audio.  it will be set up later */
1457                 /* XXX remove once we switch to ip funcs */
1458                 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1459         }
1460
1461         return 0;
1462 }
1463
1464 static void dce_v10_0_audio_fini(struct amdgpu_device *adev)
1465 {
1466         int i;
1467
1468         if (!amdgpu_audio)
1469                 return;
1470
1471         if (!adev->mode_info.audio.enabled)
1472                 return;
1473
1474         for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1475                 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1476
1477         adev->mode_info.audio.enabled = false;
1478 }
1479
1480 /*
1481  * update the N and CTS parameters for a given pixel clock rate
1482  */
1483 static void dce_v10_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1484 {
1485         struct drm_device *dev = encoder->dev;
1486         struct amdgpu_device *adev = drm_to_adev(dev);
1487         struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1488         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1489         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1490         u32 tmp;
1491
1492         tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1493         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1494         WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1495         tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1496         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1497         WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1498
1499         tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1500         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1501         WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1502         tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1503         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1504         WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1505
1506         tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1507         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1508         WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1509         tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1510         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1511         WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1512
1513 }
1514
1515 /*
1516  * build a HDMI Video Info Frame
1517  */
1518 static void dce_v10_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1519                                                void *buffer, size_t size)
1520 {
1521         struct drm_device *dev = encoder->dev;
1522         struct amdgpu_device *adev = drm_to_adev(dev);
1523         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1524         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1525         uint8_t *frame = buffer + 3;
1526         uint8_t *header = buffer;
1527
1528         WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1529                 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1530         WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1531                 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1532         WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1533                 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1534         WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1535                 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1536 }
1537
1538 static void dce_v10_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1539 {
1540         struct drm_device *dev = encoder->dev;
1541         struct amdgpu_device *adev = drm_to_adev(dev);
1542         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1543         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1544         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1545         u32 dto_phase = 24 * 1000;
1546         u32 dto_modulo = clock;
1547         u32 tmp;
1548
1549         if (!dig || !dig->afmt)
1550                 return;
1551
1552         /* XXX two dtos; generally use dto0 for hdmi */
1553         /* Express [24MHz / target pixel clock] as an exact rational
1554          * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1555          * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1556          */
1557         tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1558         tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1559                             amdgpu_crtc->crtc_id);
1560         WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1561         WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1562         WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1563 }
1564
1565 /*
1566  * update the info frames with the data from the current display mode
1567  */
1568 static void dce_v10_0_afmt_setmode(struct drm_encoder *encoder,
1569                                   struct drm_display_mode *mode)
1570 {
1571         struct drm_device *dev = encoder->dev;
1572         struct amdgpu_device *adev = drm_to_adev(dev);
1573         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1574         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1575         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1576         u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1577         struct hdmi_avi_infoframe frame;
1578         ssize_t err;
1579         u32 tmp;
1580         int bpc = 8;
1581
1582         if (!dig || !dig->afmt)
1583                 return;
1584
1585         /* Silent, r600_hdmi_enable will raise WARN for us */
1586         if (!dig->afmt->enabled)
1587                 return;
1588
1589         /* hdmi deep color mode general control packets setup, if bpc > 8 */
1590         if (encoder->crtc) {
1591                 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1592                 bpc = amdgpu_crtc->bpc;
1593         }
1594
1595         /* disable audio prior to setting up hw */
1596         dig->afmt->pin = dce_v10_0_audio_get_pin(adev);
1597         dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
1598
1599         dce_v10_0_audio_set_dto(encoder, mode->clock);
1600
1601         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1602         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1603         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1604
1605         WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1606
1607         tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1608         switch (bpc) {
1609         case 0:
1610         case 6:
1611         case 8:
1612         case 16:
1613         default:
1614                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1615                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1616                 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1617                           connector->name, bpc);
1618                 break;
1619         case 10:
1620                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1621                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1622                 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1623                           connector->name);
1624                 break;
1625         case 12:
1626                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1627                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1628                 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1629                           connector->name);
1630                 break;
1631         }
1632         WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1633
1634         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1635         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1636         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1637         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1638         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1639
1640         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1641         /* enable audio info frames (frames won't be set until audio is enabled) */
1642         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1643         /* required for audio info values to be updated */
1644         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1645         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1646
1647         tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1648         /* required for audio info values to be updated */
1649         tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1650         WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1651
1652         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1653         /* anything other than 0 */
1654         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1655         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1656
1657         WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1658
1659         tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1660         /* set the default audio delay */
1661         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1662         /* should be suffient for all audio modes and small enough for all hblanks */
1663         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1664         WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1665
1666         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1667         /* allow 60958 channel status fields to be updated */
1668         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1669         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1670
1671         tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1672         if (bpc > 8)
1673                 /* clear SW CTS value */
1674                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1675         else
1676                 /* select SW CTS value */
1677                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1678         /* allow hw to sent ACR packets when required */
1679         tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1680         WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1681
1682         dce_v10_0_afmt_update_ACR(encoder, mode->clock);
1683
1684         tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1685         tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1686         WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1687
1688         tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1689         tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1690         WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1691
1692         tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1693         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1694         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1695         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1696         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1697         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1698         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1699         WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1700
1701         dce_v10_0_audio_write_speaker_allocation(encoder);
1702
1703         WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1704                (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1705
1706         dce_v10_0_afmt_audio_select_pin(encoder);
1707         dce_v10_0_audio_write_sad_regs(encoder);
1708         dce_v10_0_audio_write_latency_fields(encoder, mode);
1709
1710         err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1711         if (err < 0) {
1712                 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1713                 return;
1714         }
1715
1716         err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1717         if (err < 0) {
1718                 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1719                 return;
1720         }
1721
1722         dce_v10_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1723
1724         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1725         /* enable AVI info frames */
1726         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1727         /* required for audio info values to be updated */
1728         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1729         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1730
1731         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1732         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1733         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1734
1735         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1736         /* send audio packets */
1737         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1738         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1739
1740         WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1741         WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1742         WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1743         WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1744
1745         /* enable audio after to setting up hw */
1746         dce_v10_0_audio_enable(adev, dig->afmt->pin, true);
1747 }
1748
1749 static void dce_v10_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1750 {
1751         struct drm_device *dev = encoder->dev;
1752         struct amdgpu_device *adev = drm_to_adev(dev);
1753         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1754         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1755
1756         if (!dig || !dig->afmt)
1757                 return;
1758
1759         /* Silent, r600_hdmi_enable will raise WARN for us */
1760         if (enable && dig->afmt->enabled)
1761                 return;
1762         if (!enable && !dig->afmt->enabled)
1763                 return;
1764
1765         if (!enable && dig->afmt->pin) {
1766                 dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
1767                 dig->afmt->pin = NULL;
1768         }
1769
1770         dig->afmt->enabled = enable;
1771
1772         DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1773                   enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1774 }
1775
1776 static int dce_v10_0_afmt_init(struct amdgpu_device *adev)
1777 {
1778         int i;
1779
1780         for (i = 0; i < adev->mode_info.num_dig; i++)
1781                 adev->mode_info.afmt[i] = NULL;
1782
1783         /* DCE10 has audio blocks tied to DIG encoders */
1784         for (i = 0; i < adev->mode_info.num_dig; i++) {
1785                 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1786                 if (adev->mode_info.afmt[i]) {
1787                         adev->mode_info.afmt[i]->offset = dig_offsets[i];
1788                         adev->mode_info.afmt[i]->id = i;
1789                 } else {
1790                         int j;
1791                         for (j = 0; j < i; j++) {
1792                                 kfree(adev->mode_info.afmt[j]);
1793                                 adev->mode_info.afmt[j] = NULL;
1794                         }
1795                         return -ENOMEM;
1796                 }
1797         }
1798         return 0;
1799 }
1800
1801 static void dce_v10_0_afmt_fini(struct amdgpu_device *adev)
1802 {
1803         int i;
1804
1805         for (i = 0; i < adev->mode_info.num_dig; i++) {
1806                 kfree(adev->mode_info.afmt[i]);
1807                 adev->mode_info.afmt[i] = NULL;
1808         }
1809 }
1810
1811 static const u32 vga_control_regs[6] =
1812 {
1813         mmD1VGA_CONTROL,
1814         mmD2VGA_CONTROL,
1815         mmD3VGA_CONTROL,
1816         mmD4VGA_CONTROL,
1817         mmD5VGA_CONTROL,
1818         mmD6VGA_CONTROL,
1819 };
1820
1821 static void dce_v10_0_vga_enable(struct drm_crtc *crtc, bool enable)
1822 {
1823         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1824         struct drm_device *dev = crtc->dev;
1825         struct amdgpu_device *adev = drm_to_adev(dev);
1826         u32 vga_control;
1827
1828         vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1829         if (enable)
1830                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1831         else
1832                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1833 }
1834
1835 static void dce_v10_0_grph_enable(struct drm_crtc *crtc, bool enable)
1836 {
1837         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1838         struct drm_device *dev = crtc->dev;
1839         struct amdgpu_device *adev = drm_to_adev(dev);
1840
1841         if (enable)
1842                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1843         else
1844                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1845 }
1846
1847 static int dce_v10_0_crtc_do_set_base(struct drm_crtc *crtc,
1848                                      struct drm_framebuffer *fb,
1849                                      int x, int y, int atomic)
1850 {
1851         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1852         struct drm_device *dev = crtc->dev;
1853         struct amdgpu_device *adev = drm_to_adev(dev);
1854         struct drm_framebuffer *target_fb;
1855         struct drm_gem_object *obj;
1856         struct amdgpu_bo *abo;
1857         uint64_t fb_location, tiling_flags;
1858         uint32_t fb_format, fb_pitch_pixels;
1859         u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1860         u32 pipe_config;
1861         u32 tmp, viewport_w, viewport_h;
1862         int r;
1863         bool bypass_lut = false;
1864         struct drm_format_name_buf format_name;
1865
1866         /* no fb bound */
1867         if (!atomic && !crtc->primary->fb) {
1868                 DRM_DEBUG_KMS("No FB bound\n");
1869                 return 0;
1870         }
1871
1872         if (atomic)
1873                 target_fb = fb;
1874         else
1875                 target_fb = crtc->primary->fb;
1876
1877         /* If atomic, assume fb object is pinned & idle & fenced and
1878          * just update base pointers
1879          */
1880         obj = target_fb->obj[0];
1881         abo = gem_to_amdgpu_bo(obj);
1882         r = amdgpu_bo_reserve(abo, false);
1883         if (unlikely(r != 0))
1884                 return r;
1885
1886         if (!atomic) {
1887                 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1888                 if (unlikely(r != 0)) {
1889                         amdgpu_bo_unreserve(abo);
1890                         return -EINVAL;
1891                 }
1892         }
1893         fb_location = amdgpu_bo_gpu_offset(abo);
1894
1895         amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1896         amdgpu_bo_unreserve(abo);
1897
1898         pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1899
1900         switch (target_fb->format->format) {
1901         case DRM_FORMAT_C8:
1902                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1903                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1904                 break;
1905         case DRM_FORMAT_XRGB4444:
1906         case DRM_FORMAT_ARGB4444:
1907                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1908                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1909 #ifdef __BIG_ENDIAN
1910                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1911                                         ENDIAN_8IN16);
1912 #endif
1913                 break;
1914         case DRM_FORMAT_XRGB1555:
1915         case DRM_FORMAT_ARGB1555:
1916                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1917                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1918 #ifdef __BIG_ENDIAN
1919                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1920                                         ENDIAN_8IN16);
1921 #endif
1922                 break;
1923         case DRM_FORMAT_BGRX5551:
1924         case DRM_FORMAT_BGRA5551:
1925                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1926                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1927 #ifdef __BIG_ENDIAN
1928                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1929                                         ENDIAN_8IN16);
1930 #endif
1931                 break;
1932         case DRM_FORMAT_RGB565:
1933                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1934                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1935 #ifdef __BIG_ENDIAN
1936                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1937                                         ENDIAN_8IN16);
1938 #endif
1939                 break;
1940         case DRM_FORMAT_XRGB8888:
1941         case DRM_FORMAT_ARGB8888:
1942                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1943                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1944 #ifdef __BIG_ENDIAN
1945                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1946                                         ENDIAN_8IN32);
1947 #endif
1948                 break;
1949         case DRM_FORMAT_XRGB2101010:
1950         case DRM_FORMAT_ARGB2101010:
1951                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1952                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1953 #ifdef __BIG_ENDIAN
1954                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1955                                         ENDIAN_8IN32);
1956 #endif
1957                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1958                 bypass_lut = true;
1959                 break;
1960         case DRM_FORMAT_BGRX1010102:
1961         case DRM_FORMAT_BGRA1010102:
1962                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1963                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
1964 #ifdef __BIG_ENDIAN
1965                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1966                                         ENDIAN_8IN32);
1967 #endif
1968                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1969                 bypass_lut = true;
1970                 break;
1971         case DRM_FORMAT_XBGR8888:
1972         case DRM_FORMAT_ABGR8888:
1973                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1974                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1975                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
1976                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
1977 #ifdef __BIG_ENDIAN
1978                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1979                                         ENDIAN_8IN32);
1980 #endif
1981                 break;
1982         default:
1983                 DRM_ERROR("Unsupported screen format %s\n",
1984                           drm_get_format_name(target_fb->format->format, &format_name));
1985                 return -EINVAL;
1986         }
1987
1988         if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1989                 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1990
1991                 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1992                 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1993                 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1994                 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1995                 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1996
1997                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
1998                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
1999                                           ARRAY_2D_TILED_THIN1);
2000                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2001                                           tile_split);
2002                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2003                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2004                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2005                                           mtaspect);
2006                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2007                                           ADDR_SURF_MICRO_TILING_DISPLAY);
2008         } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2009                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2010                                           ARRAY_1D_TILED_THIN1);
2011         }
2012
2013         fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2014                                   pipe_config);
2015
2016         dce_v10_0_vga_enable(crtc, false);
2017
2018         /* Make sure surface address is updated at vertical blank rather than
2019          * horizontal blank
2020          */
2021         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2022         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2023                             GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2024         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2025
2026         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2027                upper_32_bits(fb_location));
2028         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2029                upper_32_bits(fb_location));
2030         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2031                (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2032         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2033                (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2034         WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2035         WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2036
2037         /*
2038          * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2039          * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2040          * retain the full precision throughout the pipeline.
2041          */
2042         tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2043         if (bypass_lut)
2044                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2045         else
2046                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2047         WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2048
2049         if (bypass_lut)
2050                 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2051
2052         WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2053         WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2054         WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2055         WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2056         WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2057         WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2058
2059         fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2060         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2061
2062         dce_v10_0_grph_enable(crtc, true);
2063
2064         WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2065                target_fb->height);
2066
2067         x &= ~3;
2068         y &= ~1;
2069         WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2070                (x << 16) | y);
2071         viewport_w = crtc->mode.hdisplay;
2072         viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2073         WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2074                (viewport_w << 16) | viewport_h);
2075
2076         /* set pageflip to happen anywhere in vblank interval */
2077         WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2078
2079         if (!atomic && fb && fb != crtc->primary->fb) {
2080                 abo = gem_to_amdgpu_bo(fb->obj[0]);
2081                 r = amdgpu_bo_reserve(abo, true);
2082                 if (unlikely(r != 0))
2083                         return r;
2084                 amdgpu_bo_unpin(abo);
2085                 amdgpu_bo_unreserve(abo);
2086         }
2087
2088         /* Bytes per pixel may have changed */
2089         dce_v10_0_bandwidth_update(adev);
2090
2091         return 0;
2092 }
2093
2094 static void dce_v10_0_set_interleave(struct drm_crtc *crtc,
2095                                      struct drm_display_mode *mode)
2096 {
2097         struct drm_device *dev = crtc->dev;
2098         struct amdgpu_device *adev = drm_to_adev(dev);
2099         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2100         u32 tmp;
2101
2102         tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2103         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2104                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2105         else
2106                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2107         WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2108 }
2109
2110 static void dce_v10_0_crtc_load_lut(struct drm_crtc *crtc)
2111 {
2112         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2113         struct drm_device *dev = crtc->dev;
2114         struct amdgpu_device *adev = drm_to_adev(dev);
2115         u16 *r, *g, *b;
2116         int i;
2117         u32 tmp;
2118
2119         DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2120
2121         tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2122         tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2123         tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_OVL_MODE, 0);
2124         WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2125
2126         tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2127         tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2128         WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2129
2130         tmp = RREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset);
2131         tmp = REG_SET_FIELD(tmp, PRESCALE_OVL_CONTROL, OVL_PRESCALE_BYPASS, 1);
2132         WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2133
2134         tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2135         tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2136         tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, OVL_INPUT_GAMMA_MODE, 0);
2137         WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2138
2139         WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2140
2141         WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2142         WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2143         WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2144
2145         WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2146         WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2147         WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2148
2149         WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2150         WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2151
2152         WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2153         r = crtc->gamma_store;
2154         g = r + crtc->gamma_size;
2155         b = g + crtc->gamma_size;
2156         for (i = 0; i < 256; i++) {
2157                 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2158                        ((*r++ & 0xffc0) << 14) |
2159                        ((*g++ & 0xffc0) << 4) |
2160                        (*b++ >> 6));
2161         }
2162
2163         tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2164         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2165         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, OVL_DEGAMMA_MODE, 0);
2166         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2167         WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2168
2169         tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2170         tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2171         tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, OVL_GAMUT_REMAP_MODE, 0);
2172         WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2173
2174         tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2175         tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2176         tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, OVL_REGAMMA_MODE, 0);
2177         WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2178
2179         tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2180         tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2181         tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_OVL_MODE, 0);
2182         WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2183
2184         /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2185         WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2186         /* XXX this only needs to be programmed once per crtc at startup,
2187          * not sure where the best place for it is
2188          */
2189         tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2190         tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2191         WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2192 }
2193
2194 static int dce_v10_0_pick_dig_encoder(struct drm_encoder *encoder)
2195 {
2196         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2197         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2198
2199         switch (amdgpu_encoder->encoder_id) {
2200         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2201                 if (dig->linkb)
2202                         return 1;
2203                 else
2204                         return 0;
2205         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2206                 if (dig->linkb)
2207                         return 3;
2208                 else
2209                         return 2;
2210         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2211                 if (dig->linkb)
2212                         return 5;
2213                 else
2214                         return 4;
2215         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2216                 return 6;
2217         default:
2218                 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2219                 return 0;
2220         }
2221 }
2222
2223 /**
2224  * dce_v10_0_pick_pll - Allocate a PPLL for use by the crtc.
2225  *
2226  * @crtc: drm crtc
2227  *
2228  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2229  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2230  * monitors a dedicated PPLL must be used.  If a particular board has
2231  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2232  * as there is no need to program the PLL itself.  If we are not able to
2233  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2234  * avoid messing up an existing monitor.
2235  *
2236  * Asic specific PLL information
2237  *
2238  * DCE 10.x
2239  * Tonga
2240  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2241  * CI
2242  * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2243  *
2244  */
2245 static u32 dce_v10_0_pick_pll(struct drm_crtc *crtc)
2246 {
2247         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2248         struct drm_device *dev = crtc->dev;
2249         struct amdgpu_device *adev = drm_to_adev(dev);
2250         u32 pll_in_use;
2251         int pll;
2252
2253         if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2254                 if (adev->clock.dp_extclk)
2255                         /* skip PPLL programming if using ext clock */
2256                         return ATOM_PPLL_INVALID;
2257                 else {
2258                         /* use the same PPLL for all DP monitors */
2259                         pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2260                         if (pll != ATOM_PPLL_INVALID)
2261                                 return pll;
2262                 }
2263         } else {
2264                 /* use the same PPLL for all monitors with the same clock */
2265                 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2266                 if (pll != ATOM_PPLL_INVALID)
2267                         return pll;
2268         }
2269
2270         /* DCE10 has PPLL0, PPLL1, and PPLL2 */
2271         pll_in_use = amdgpu_pll_get_use_mask(crtc);
2272         if (!(pll_in_use & (1 << ATOM_PPLL2)))
2273                 return ATOM_PPLL2;
2274         if (!(pll_in_use & (1 << ATOM_PPLL1)))
2275                 return ATOM_PPLL1;
2276         if (!(pll_in_use & (1 << ATOM_PPLL0)))
2277                 return ATOM_PPLL0;
2278         DRM_ERROR("unable to allocate a PPLL\n");
2279         return ATOM_PPLL_INVALID;
2280 }
2281
2282 static void dce_v10_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2283 {
2284         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2285         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2286         uint32_t cur_lock;
2287
2288         cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2289         if (lock)
2290                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2291         else
2292                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2293         WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2294 }
2295
2296 static void dce_v10_0_hide_cursor(struct drm_crtc *crtc)
2297 {
2298         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2299         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2300         u32 tmp;
2301
2302         tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2303         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2304         WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2305 }
2306
2307 static void dce_v10_0_show_cursor(struct drm_crtc *crtc)
2308 {
2309         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2310         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2311         u32 tmp;
2312
2313         WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2314                upper_32_bits(amdgpu_crtc->cursor_addr));
2315         WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2316                lower_32_bits(amdgpu_crtc->cursor_addr));
2317
2318         tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2319         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2320         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2321         WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2322 }
2323
2324 static int dce_v10_0_cursor_move_locked(struct drm_crtc *crtc,
2325                                         int x, int y)
2326 {
2327         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2328         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2329         int xorigin = 0, yorigin = 0;
2330
2331         amdgpu_crtc->cursor_x = x;
2332         amdgpu_crtc->cursor_y = y;
2333
2334         /* avivo cursor are offset into the total surface */
2335         x += crtc->x;
2336         y += crtc->y;
2337         DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2338
2339         if (x < 0) {
2340                 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2341                 x = 0;
2342         }
2343         if (y < 0) {
2344                 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2345                 y = 0;
2346         }
2347
2348         WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2349         WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2350         WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2351                ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2352
2353         return 0;
2354 }
2355
2356 static int dce_v10_0_crtc_cursor_move(struct drm_crtc *crtc,
2357                                       int x, int y)
2358 {
2359         int ret;
2360
2361         dce_v10_0_lock_cursor(crtc, true);
2362         ret = dce_v10_0_cursor_move_locked(crtc, x, y);
2363         dce_v10_0_lock_cursor(crtc, false);
2364
2365         return ret;
2366 }
2367
2368 static int dce_v10_0_crtc_cursor_set2(struct drm_crtc *crtc,
2369                                       struct drm_file *file_priv,
2370                                       uint32_t handle,
2371                                       uint32_t width,
2372                                       uint32_t height,
2373                                       int32_t hot_x,
2374                                       int32_t hot_y)
2375 {
2376         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2377         struct drm_gem_object *obj;
2378         struct amdgpu_bo *aobj;
2379         int ret;
2380
2381         if (!handle) {
2382                 /* turn off cursor */
2383                 dce_v10_0_hide_cursor(crtc);
2384                 obj = NULL;
2385                 goto unpin;
2386         }
2387
2388         if ((width > amdgpu_crtc->max_cursor_width) ||
2389             (height > amdgpu_crtc->max_cursor_height)) {
2390                 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2391                 return -EINVAL;
2392         }
2393
2394         obj = drm_gem_object_lookup(file_priv, handle);
2395         if (!obj) {
2396                 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2397                 return -ENOENT;
2398         }
2399
2400         aobj = gem_to_amdgpu_bo(obj);
2401         ret = amdgpu_bo_reserve(aobj, false);
2402         if (ret != 0) {
2403                 drm_gem_object_put(obj);
2404                 return ret;
2405         }
2406
2407         ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2408         amdgpu_bo_unreserve(aobj);
2409         if (ret) {
2410                 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2411                 drm_gem_object_put(obj);
2412                 return ret;
2413         }
2414         amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2415
2416         dce_v10_0_lock_cursor(crtc, true);
2417
2418         if (width != amdgpu_crtc->cursor_width ||
2419             height != amdgpu_crtc->cursor_height ||
2420             hot_x != amdgpu_crtc->cursor_hot_x ||
2421             hot_y != amdgpu_crtc->cursor_hot_y) {
2422                 int x, y;
2423
2424                 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2425                 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2426
2427                 dce_v10_0_cursor_move_locked(crtc, x, y);
2428
2429                 amdgpu_crtc->cursor_width = width;
2430                 amdgpu_crtc->cursor_height = height;
2431                 amdgpu_crtc->cursor_hot_x = hot_x;
2432                 amdgpu_crtc->cursor_hot_y = hot_y;
2433         }
2434
2435         dce_v10_0_show_cursor(crtc);
2436         dce_v10_0_lock_cursor(crtc, false);
2437
2438 unpin:
2439         if (amdgpu_crtc->cursor_bo) {
2440                 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2441                 ret = amdgpu_bo_reserve(aobj, true);
2442                 if (likely(ret == 0)) {
2443                         amdgpu_bo_unpin(aobj);
2444                         amdgpu_bo_unreserve(aobj);
2445                 }
2446                 drm_gem_object_put(amdgpu_crtc->cursor_bo);
2447         }
2448
2449         amdgpu_crtc->cursor_bo = obj;
2450         return 0;
2451 }
2452
2453 static void dce_v10_0_cursor_reset(struct drm_crtc *crtc)
2454 {
2455         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2456
2457         if (amdgpu_crtc->cursor_bo) {
2458                 dce_v10_0_lock_cursor(crtc, true);
2459
2460                 dce_v10_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2461                                              amdgpu_crtc->cursor_y);
2462
2463                 dce_v10_0_show_cursor(crtc);
2464
2465                 dce_v10_0_lock_cursor(crtc, false);
2466         }
2467 }
2468
2469 static int dce_v10_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2470                                     u16 *blue, uint32_t size,
2471                                     struct drm_modeset_acquire_ctx *ctx)
2472 {
2473         dce_v10_0_crtc_load_lut(crtc);
2474
2475         return 0;
2476 }
2477
2478 static void dce_v10_0_crtc_destroy(struct drm_crtc *crtc)
2479 {
2480         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2481
2482         drm_crtc_cleanup(crtc);
2483         kfree(amdgpu_crtc);
2484 }
2485
2486 static const struct drm_crtc_funcs dce_v10_0_crtc_funcs = {
2487         .cursor_set2 = dce_v10_0_crtc_cursor_set2,
2488         .cursor_move = dce_v10_0_crtc_cursor_move,
2489         .gamma_set = dce_v10_0_crtc_gamma_set,
2490         .set_config = amdgpu_display_crtc_set_config,
2491         .destroy = dce_v10_0_crtc_destroy,
2492         .page_flip_target = amdgpu_display_crtc_page_flip_target,
2493         .get_vblank_counter = amdgpu_get_vblank_counter_kms,
2494         .enable_vblank = amdgpu_enable_vblank_kms,
2495         .disable_vblank = amdgpu_disable_vblank_kms,
2496         .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2497 };
2498
2499 static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2500 {
2501         struct drm_device *dev = crtc->dev;
2502         struct amdgpu_device *adev = drm_to_adev(dev);
2503         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2504         unsigned type;
2505
2506         switch (mode) {
2507         case DRM_MODE_DPMS_ON:
2508                 amdgpu_crtc->enabled = true;
2509                 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2510                 dce_v10_0_vga_enable(crtc, true);
2511                 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2512                 dce_v10_0_vga_enable(crtc, false);
2513                 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2514                 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2515                                                 amdgpu_crtc->crtc_id);
2516                 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2517                 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2518                 drm_crtc_vblank_on(crtc);
2519                 dce_v10_0_crtc_load_lut(crtc);
2520                 break;
2521         case DRM_MODE_DPMS_STANDBY:
2522         case DRM_MODE_DPMS_SUSPEND:
2523         case DRM_MODE_DPMS_OFF:
2524                 drm_crtc_vblank_off(crtc);
2525                 if (amdgpu_crtc->enabled) {
2526                         dce_v10_0_vga_enable(crtc, true);
2527                         amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2528                         dce_v10_0_vga_enable(crtc, false);
2529                 }
2530                 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2531                 amdgpu_crtc->enabled = false;
2532                 break;
2533         }
2534         /* adjust pm to dpms */
2535         amdgpu_pm_compute_clocks(adev);
2536 }
2537
2538 static void dce_v10_0_crtc_prepare(struct drm_crtc *crtc)
2539 {
2540         /* disable crtc pair power gating before programming */
2541         amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2542         amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2543         dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2544 }
2545
2546 static void dce_v10_0_crtc_commit(struct drm_crtc *crtc)
2547 {
2548         dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2549         amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2550 }
2551
2552 static void dce_v10_0_crtc_disable(struct drm_crtc *crtc)
2553 {
2554         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2555         struct drm_device *dev = crtc->dev;
2556         struct amdgpu_device *adev = drm_to_adev(dev);
2557         struct amdgpu_atom_ss ss;
2558         int i;
2559
2560         dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2561         if (crtc->primary->fb) {
2562                 int r;
2563                 struct amdgpu_bo *abo;
2564
2565                 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2566                 r = amdgpu_bo_reserve(abo, true);
2567                 if (unlikely(r))
2568                         DRM_ERROR("failed to reserve abo before unpin\n");
2569                 else {
2570                         amdgpu_bo_unpin(abo);
2571                         amdgpu_bo_unreserve(abo);
2572                 }
2573         }
2574         /* disable the GRPH */
2575         dce_v10_0_grph_enable(crtc, false);
2576
2577         amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2578
2579         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2580                 if (adev->mode_info.crtcs[i] &&
2581                     adev->mode_info.crtcs[i]->enabled &&
2582                     i != amdgpu_crtc->crtc_id &&
2583                     amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2584                         /* one other crtc is using this pll don't turn
2585                          * off the pll
2586                          */
2587                         goto done;
2588                 }
2589         }
2590
2591         switch (amdgpu_crtc->pll_id) {
2592         case ATOM_PPLL0:
2593         case ATOM_PPLL1:
2594         case ATOM_PPLL2:
2595                 /* disable the ppll */
2596                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2597                                           0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2598                 break;
2599         default:
2600                 break;
2601         }
2602 done:
2603         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2604         amdgpu_crtc->adjusted_clock = 0;
2605         amdgpu_crtc->encoder = NULL;
2606         amdgpu_crtc->connector = NULL;
2607 }
2608
2609 static int dce_v10_0_crtc_mode_set(struct drm_crtc *crtc,
2610                                   struct drm_display_mode *mode,
2611                                   struct drm_display_mode *adjusted_mode,
2612                                   int x, int y, struct drm_framebuffer *old_fb)
2613 {
2614         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2615
2616         if (!amdgpu_crtc->adjusted_clock)
2617                 return -EINVAL;
2618
2619         amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2620         amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2621         dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2622         amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2623         amdgpu_atombios_crtc_scaler_setup(crtc);
2624         dce_v10_0_cursor_reset(crtc);
2625         /* update the hw version fpr dpm */
2626         amdgpu_crtc->hw_mode = *adjusted_mode;
2627
2628         return 0;
2629 }
2630
2631 static bool dce_v10_0_crtc_mode_fixup(struct drm_crtc *crtc,
2632                                      const struct drm_display_mode *mode,
2633                                      struct drm_display_mode *adjusted_mode)
2634 {
2635         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2636         struct drm_device *dev = crtc->dev;
2637         struct drm_encoder *encoder;
2638
2639         /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2640         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2641                 if (encoder->crtc == crtc) {
2642                         amdgpu_crtc->encoder = encoder;
2643                         amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2644                         break;
2645                 }
2646         }
2647         if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2648                 amdgpu_crtc->encoder = NULL;
2649                 amdgpu_crtc->connector = NULL;
2650                 return false;
2651         }
2652         if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2653                 return false;
2654         if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2655                 return false;
2656         /* pick pll */
2657         amdgpu_crtc->pll_id = dce_v10_0_pick_pll(crtc);
2658         /* if we can't get a PPLL for a non-DP encoder, fail */
2659         if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2660             !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2661                 return false;
2662
2663         return true;
2664 }
2665
2666 static int dce_v10_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2667                                   struct drm_framebuffer *old_fb)
2668 {
2669         return dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2670 }
2671
2672 static int dce_v10_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2673                                          struct drm_framebuffer *fb,
2674                                          int x, int y, enum mode_set_atomic state)
2675 {
2676         return dce_v10_0_crtc_do_set_base(crtc, fb, x, y, 1);
2677 }
2678
2679 static const struct drm_crtc_helper_funcs dce_v10_0_crtc_helper_funcs = {
2680         .dpms = dce_v10_0_crtc_dpms,
2681         .mode_fixup = dce_v10_0_crtc_mode_fixup,
2682         .mode_set = dce_v10_0_crtc_mode_set,
2683         .mode_set_base = dce_v10_0_crtc_set_base,
2684         .mode_set_base_atomic = dce_v10_0_crtc_set_base_atomic,
2685         .prepare = dce_v10_0_crtc_prepare,
2686         .commit = dce_v10_0_crtc_commit,
2687         .disable = dce_v10_0_crtc_disable,
2688         .get_scanout_position = amdgpu_crtc_get_scanout_position,
2689 };
2690
2691 static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index)
2692 {
2693         struct amdgpu_crtc *amdgpu_crtc;
2694
2695         amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2696                               (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2697         if (amdgpu_crtc == NULL)
2698                 return -ENOMEM;
2699
2700         drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v10_0_crtc_funcs);
2701
2702         drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2703         amdgpu_crtc->crtc_id = index;
2704         adev->mode_info.crtcs[index] = amdgpu_crtc;
2705
2706         amdgpu_crtc->max_cursor_width = 128;
2707         amdgpu_crtc->max_cursor_height = 128;
2708         adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2709         adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2710
2711         switch (amdgpu_crtc->crtc_id) {
2712         case 0:
2713         default:
2714                 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2715                 break;
2716         case 1:
2717                 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2718                 break;
2719         case 2:
2720                 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2721                 break;
2722         case 3:
2723                 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2724                 break;
2725         case 4:
2726                 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2727                 break;
2728         case 5:
2729                 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2730                 break;
2731         }
2732
2733         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2734         amdgpu_crtc->adjusted_clock = 0;
2735         amdgpu_crtc->encoder = NULL;
2736         amdgpu_crtc->connector = NULL;
2737         drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v10_0_crtc_helper_funcs);
2738
2739         return 0;
2740 }
2741
2742 static int dce_v10_0_early_init(void *handle)
2743 {
2744         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2745
2746         adev->audio_endpt_rreg = &dce_v10_0_audio_endpt_rreg;
2747         adev->audio_endpt_wreg = &dce_v10_0_audio_endpt_wreg;
2748
2749         dce_v10_0_set_display_funcs(adev);
2750
2751         adev->mode_info.num_crtc = dce_v10_0_get_num_crtc(adev);
2752
2753         switch (adev->asic_type) {
2754         case CHIP_FIJI:
2755         case CHIP_TONGA:
2756                 adev->mode_info.num_hpd = 6;
2757                 adev->mode_info.num_dig = 7;
2758                 break;
2759         default:
2760                 /* FIXME: not supported yet */
2761                 return -EINVAL;
2762         }
2763
2764         dce_v10_0_set_irq_funcs(adev);
2765
2766         return 0;
2767 }
2768
2769 static int dce_v10_0_sw_init(void *handle)
2770 {
2771         int r, i;
2772         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2773
2774         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2775                 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2776                 if (r)
2777                         return r;
2778         }
2779
2780         for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2781                 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2782                 if (r)
2783                         return r;
2784         }
2785
2786         /* HPD hotplug */
2787         r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2788         if (r)
2789                 return r;
2790
2791         adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2792
2793         adev_to_drm(adev)->mode_config.async_page_flip = true;
2794
2795         adev_to_drm(adev)->mode_config.max_width = 16384;
2796         adev_to_drm(adev)->mode_config.max_height = 16384;
2797
2798         adev_to_drm(adev)->mode_config.preferred_depth = 24;
2799         adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2800
2801         adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
2802
2803         r = amdgpu_display_modeset_create_props(adev);
2804         if (r)
2805                 return r;
2806
2807         adev_to_drm(adev)->mode_config.max_width = 16384;
2808         adev_to_drm(adev)->mode_config.max_height = 16384;
2809
2810         /* allocate crtcs */
2811         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2812                 r = dce_v10_0_crtc_init(adev, i);
2813                 if (r)
2814                         return r;
2815         }
2816
2817         if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2818                 amdgpu_display_print_display_setup(adev_to_drm(adev));
2819         else
2820                 return -EINVAL;
2821
2822         /* setup afmt */
2823         r = dce_v10_0_afmt_init(adev);
2824         if (r)
2825                 return r;
2826
2827         r = dce_v10_0_audio_init(adev);
2828         if (r)
2829                 return r;
2830
2831         drm_kms_helper_poll_init(adev_to_drm(adev));
2832
2833         adev->mode_info.mode_config_initialized = true;
2834         return 0;
2835 }
2836
2837 static int dce_v10_0_sw_fini(void *handle)
2838 {
2839         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2840
2841         kfree(adev->mode_info.bios_hardcoded_edid);
2842
2843         drm_kms_helper_poll_fini(adev_to_drm(adev));
2844
2845         dce_v10_0_audio_fini(adev);
2846
2847         dce_v10_0_afmt_fini(adev);
2848
2849         drm_mode_config_cleanup(adev_to_drm(adev));
2850         adev->mode_info.mode_config_initialized = false;
2851
2852         return 0;
2853 }
2854
2855 static int dce_v10_0_hw_init(void *handle)
2856 {
2857         int i;
2858         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2859
2860         dce_v10_0_init_golden_registers(adev);
2861
2862         /* disable vga render */
2863         dce_v10_0_set_vga_render_state(adev, false);
2864         /* init dig PHYs, disp eng pll */
2865         amdgpu_atombios_encoder_init_dig(adev);
2866         amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2867
2868         /* initialize hpd */
2869         dce_v10_0_hpd_init(adev);
2870
2871         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2872                 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2873         }
2874
2875         dce_v10_0_pageflip_interrupt_init(adev);
2876
2877         return 0;
2878 }
2879
2880 static int dce_v10_0_hw_fini(void *handle)
2881 {
2882         int i;
2883         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2884
2885         dce_v10_0_hpd_fini(adev);
2886
2887         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2888                 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2889         }
2890
2891         dce_v10_0_pageflip_interrupt_fini(adev);
2892
2893         return 0;
2894 }
2895
2896 static int dce_v10_0_suspend(void *handle)
2897 {
2898         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2899
2900         adev->mode_info.bl_level =
2901                 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2902
2903         return dce_v10_0_hw_fini(handle);
2904 }
2905
2906 static int dce_v10_0_resume(void *handle)
2907 {
2908         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2909         int ret;
2910
2911         amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2912                                                            adev->mode_info.bl_level);
2913
2914         ret = dce_v10_0_hw_init(handle);
2915
2916         /* turn on the BL */
2917         if (adev->mode_info.bl_encoder) {
2918                 u8 bl_level = amdgpu_display_backlight_get_level(adev,
2919                                                                   adev->mode_info.bl_encoder);
2920                 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2921                                                     bl_level);
2922         }
2923
2924         return ret;
2925 }
2926
2927 static bool dce_v10_0_is_idle(void *handle)
2928 {
2929         return true;
2930 }
2931
2932 static int dce_v10_0_wait_for_idle(void *handle)
2933 {
2934         return 0;
2935 }
2936
2937 static bool dce_v10_0_check_soft_reset(void *handle)
2938 {
2939         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2940
2941         return dce_v10_0_is_display_hung(adev);
2942 }
2943
2944 static int dce_v10_0_soft_reset(void *handle)
2945 {
2946         u32 srbm_soft_reset = 0, tmp;
2947         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2948
2949         if (dce_v10_0_is_display_hung(adev))
2950                 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
2951
2952         if (srbm_soft_reset) {
2953                 tmp = RREG32(mmSRBM_SOFT_RESET);
2954                 tmp |= srbm_soft_reset;
2955                 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
2956                 WREG32(mmSRBM_SOFT_RESET, tmp);
2957                 tmp = RREG32(mmSRBM_SOFT_RESET);
2958
2959                 udelay(50);
2960
2961                 tmp &= ~srbm_soft_reset;
2962                 WREG32(mmSRBM_SOFT_RESET, tmp);
2963                 tmp = RREG32(mmSRBM_SOFT_RESET);
2964
2965                 /* Wait a little for things to settle down */
2966                 udelay(50);
2967         }
2968         return 0;
2969 }
2970
2971 static void dce_v10_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2972                                                      int crtc,
2973                                                      enum amdgpu_interrupt_state state)
2974 {
2975         u32 lb_interrupt_mask;
2976
2977         if (crtc >= adev->mode_info.num_crtc) {
2978                 DRM_DEBUG("invalid crtc %d\n", crtc);
2979                 return;
2980         }
2981
2982         switch (state) {
2983         case AMDGPU_IRQ_STATE_DISABLE:
2984                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
2985                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
2986                                                   VBLANK_INTERRUPT_MASK, 0);
2987                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
2988                 break;
2989         case AMDGPU_IRQ_STATE_ENABLE:
2990                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
2991                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
2992                                                   VBLANK_INTERRUPT_MASK, 1);
2993                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
2994                 break;
2995         default:
2996                 break;
2997         }
2998 }
2999
3000 static void dce_v10_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3001                                                     int crtc,
3002                                                     enum amdgpu_interrupt_state state)
3003 {
3004         u32 lb_interrupt_mask;
3005
3006         if (crtc >= adev->mode_info.num_crtc) {
3007                 DRM_DEBUG("invalid crtc %d\n", crtc);
3008                 return;
3009         }
3010
3011         switch (state) {
3012         case AMDGPU_IRQ_STATE_DISABLE:
3013                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3014                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3015                                                   VLINE_INTERRUPT_MASK, 0);
3016                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3017                 break;
3018         case AMDGPU_IRQ_STATE_ENABLE:
3019                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3020                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3021                                                   VLINE_INTERRUPT_MASK, 1);
3022                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3023                 break;
3024         default:
3025                 break;
3026         }
3027 }
3028
3029 static int dce_v10_0_set_hpd_irq_state(struct amdgpu_device *adev,
3030                                        struct amdgpu_irq_src *source,
3031                                        unsigned hpd,
3032                                        enum amdgpu_interrupt_state state)
3033 {
3034         u32 tmp;
3035
3036         if (hpd >= adev->mode_info.num_hpd) {
3037                 DRM_DEBUG("invalid hdp %d\n", hpd);
3038                 return 0;
3039         }
3040
3041         switch (state) {
3042         case AMDGPU_IRQ_STATE_DISABLE:
3043                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3044                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3045                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3046                 break;
3047         case AMDGPU_IRQ_STATE_ENABLE:
3048                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3049                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3050                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3051                 break;
3052         default:
3053                 break;
3054         }
3055
3056         return 0;
3057 }
3058
3059 static int dce_v10_0_set_crtc_irq_state(struct amdgpu_device *adev,
3060                                         struct amdgpu_irq_src *source,
3061                                         unsigned type,
3062                                         enum amdgpu_interrupt_state state)
3063 {
3064         switch (type) {
3065         case AMDGPU_CRTC_IRQ_VBLANK1:
3066                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3067                 break;
3068         case AMDGPU_CRTC_IRQ_VBLANK2:
3069                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3070                 break;
3071         case AMDGPU_CRTC_IRQ_VBLANK3:
3072                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3073                 break;
3074         case AMDGPU_CRTC_IRQ_VBLANK4:
3075                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3076                 break;
3077         case AMDGPU_CRTC_IRQ_VBLANK5:
3078                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3079                 break;
3080         case AMDGPU_CRTC_IRQ_VBLANK6:
3081                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3082                 break;
3083         case AMDGPU_CRTC_IRQ_VLINE1:
3084                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 0, state);
3085                 break;
3086         case AMDGPU_CRTC_IRQ_VLINE2:
3087                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 1, state);
3088                 break;
3089         case AMDGPU_CRTC_IRQ_VLINE3:
3090                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 2, state);
3091                 break;
3092         case AMDGPU_CRTC_IRQ_VLINE4:
3093                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 3, state);
3094                 break;
3095         case AMDGPU_CRTC_IRQ_VLINE5:
3096                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 4, state);
3097                 break;
3098         case AMDGPU_CRTC_IRQ_VLINE6:
3099                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 5, state);
3100                 break;
3101         default:
3102                 break;
3103         }
3104         return 0;
3105 }
3106
3107 static int dce_v10_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3108                                             struct amdgpu_irq_src *src,
3109                                             unsigned type,
3110                                             enum amdgpu_interrupt_state state)
3111 {
3112         u32 reg;
3113
3114         if (type >= adev->mode_info.num_crtc) {
3115                 DRM_ERROR("invalid pageflip crtc %d\n", type);
3116                 return -EINVAL;
3117         }
3118
3119         reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3120         if (state == AMDGPU_IRQ_STATE_DISABLE)
3121                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3122                        reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3123         else
3124                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3125                        reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3126
3127         return 0;
3128 }
3129
3130 static int dce_v10_0_pageflip_irq(struct amdgpu_device *adev,
3131                                   struct amdgpu_irq_src *source,
3132                                   struct amdgpu_iv_entry *entry)
3133 {
3134         unsigned long flags;
3135         unsigned crtc_id;
3136         struct amdgpu_crtc *amdgpu_crtc;
3137         struct amdgpu_flip_work *works;
3138
3139         crtc_id = (entry->src_id - 8) >> 1;
3140         amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3141
3142         if (crtc_id >= adev->mode_info.num_crtc) {
3143                 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3144                 return -EINVAL;
3145         }
3146
3147         if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3148             GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3149                 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3150                        GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3151
3152         /* IRQ could occur when in initial stage */
3153         if (amdgpu_crtc == NULL)
3154                 return 0;
3155
3156         spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3157         works = amdgpu_crtc->pflip_works;
3158         if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) {
3159                 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3160                                                  "AMDGPU_FLIP_SUBMITTED(%d)\n",
3161                                                  amdgpu_crtc->pflip_status,
3162                                                  AMDGPU_FLIP_SUBMITTED);
3163                 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3164                 return 0;
3165         }
3166
3167         /* page flip completed. clean up */
3168         amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3169         amdgpu_crtc->pflip_works = NULL;
3170
3171         /* wakeup usersapce */
3172         if (works->event)
3173                 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3174
3175         spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3176
3177         drm_crtc_vblank_put(&amdgpu_crtc->base);
3178         schedule_work(&works->unpin_work);
3179
3180         return 0;
3181 }
3182
3183 static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev,
3184                                   int hpd)
3185 {
3186         u32 tmp;
3187
3188         if (hpd >= adev->mode_info.num_hpd) {
3189                 DRM_DEBUG("invalid hdp %d\n", hpd);
3190                 return;
3191         }
3192
3193         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3194         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3195         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3196 }
3197
3198 static void dce_v10_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3199                                           int crtc)
3200 {
3201         u32 tmp;
3202
3203         if (crtc >= adev->mode_info.num_crtc) {
3204                 DRM_DEBUG("invalid crtc %d\n", crtc);
3205                 return;
3206         }
3207
3208         tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3209         tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3210         WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3211 }
3212
3213 static void dce_v10_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3214                                          int crtc)
3215 {
3216         u32 tmp;
3217
3218         if (crtc >= adev->mode_info.num_crtc) {
3219                 DRM_DEBUG("invalid crtc %d\n", crtc);
3220                 return;
3221         }
3222
3223         tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3224         tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3225         WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3226 }
3227
3228 static int dce_v10_0_crtc_irq(struct amdgpu_device *adev,
3229                               struct amdgpu_irq_src *source,
3230                               struct amdgpu_iv_entry *entry)
3231 {
3232         unsigned crtc = entry->src_id - 1;
3233         uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3234         unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev, crtc);
3235
3236         switch (entry->src_data[0]) {
3237         case 0: /* vblank */
3238                 if (disp_int & interrupt_status_offsets[crtc].vblank)
3239                         dce_v10_0_crtc_vblank_int_ack(adev, crtc);
3240                 else
3241                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3242
3243                 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3244                         drm_handle_vblank(adev_to_drm(adev), crtc);
3245                 }
3246                 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3247
3248                 break;
3249         case 1: /* vline */
3250                 if (disp_int & interrupt_status_offsets[crtc].vline)
3251                         dce_v10_0_crtc_vline_int_ack(adev, crtc);
3252                 else
3253                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3254
3255                 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3256
3257                 break;
3258         default:
3259                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3260                 break;
3261         }
3262
3263         return 0;
3264 }
3265
3266 static int dce_v10_0_hpd_irq(struct amdgpu_device *adev,
3267                              struct amdgpu_irq_src *source,
3268                              struct amdgpu_iv_entry *entry)
3269 {
3270         uint32_t disp_int, mask;
3271         unsigned hpd;
3272
3273         if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3274                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3275                 return 0;
3276         }
3277
3278         hpd = entry->src_data[0];
3279         disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3280         mask = interrupt_status_offsets[hpd].hpd;
3281
3282         if (disp_int & mask) {
3283                 dce_v10_0_hpd_int_ack(adev, hpd);
3284                 schedule_work(&adev->hotplug_work);
3285                 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3286         }
3287
3288         return 0;
3289 }
3290
3291 static int dce_v10_0_set_clockgating_state(void *handle,
3292                                           enum amd_clockgating_state state)
3293 {
3294         return 0;
3295 }
3296
3297 static int dce_v10_0_set_powergating_state(void *handle,
3298                                           enum amd_powergating_state state)
3299 {
3300         return 0;
3301 }
3302
3303 static const struct amd_ip_funcs dce_v10_0_ip_funcs = {
3304         .name = "dce_v10_0",
3305         .early_init = dce_v10_0_early_init,
3306         .late_init = NULL,
3307         .sw_init = dce_v10_0_sw_init,
3308         .sw_fini = dce_v10_0_sw_fini,
3309         .hw_init = dce_v10_0_hw_init,
3310         .hw_fini = dce_v10_0_hw_fini,
3311         .suspend = dce_v10_0_suspend,
3312         .resume = dce_v10_0_resume,
3313         .is_idle = dce_v10_0_is_idle,
3314         .wait_for_idle = dce_v10_0_wait_for_idle,
3315         .check_soft_reset = dce_v10_0_check_soft_reset,
3316         .soft_reset = dce_v10_0_soft_reset,
3317         .set_clockgating_state = dce_v10_0_set_clockgating_state,
3318         .set_powergating_state = dce_v10_0_set_powergating_state,
3319 };
3320
3321 static void
3322 dce_v10_0_encoder_mode_set(struct drm_encoder *encoder,
3323                           struct drm_display_mode *mode,
3324                           struct drm_display_mode *adjusted_mode)
3325 {
3326         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3327
3328         amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3329
3330         /* need to call this here rather than in prepare() since we need some crtc info */
3331         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3332
3333         /* set scaler clears this on some chips */
3334         dce_v10_0_set_interleave(encoder->crtc, mode);
3335
3336         if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3337                 dce_v10_0_afmt_enable(encoder, true);
3338                 dce_v10_0_afmt_setmode(encoder, adjusted_mode);
3339         }
3340 }
3341
3342 static void dce_v10_0_encoder_prepare(struct drm_encoder *encoder)
3343 {
3344         struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3345         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3346         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3347
3348         if ((amdgpu_encoder->active_device &
3349              (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3350             (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3351              ENCODER_OBJECT_ID_NONE)) {
3352                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3353                 if (dig) {
3354                         dig->dig_encoder = dce_v10_0_pick_dig_encoder(encoder);
3355                         if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3356                                 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3357                 }
3358         }
3359
3360         amdgpu_atombios_scratch_regs_lock(adev, true);
3361
3362         if (connector) {
3363                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3364
3365                 /* select the clock/data port if it uses a router */
3366                 if (amdgpu_connector->router.cd_valid)
3367                         amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3368
3369                 /* turn eDP panel on for mode set */
3370                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3371                         amdgpu_atombios_encoder_set_edp_panel_power(connector,
3372                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
3373         }
3374
3375         /* this is needed for the pll/ss setup to work correctly in some cases */
3376         amdgpu_atombios_encoder_set_crtc_source(encoder);
3377         /* set up the FMT blocks */
3378         dce_v10_0_program_fmt(encoder);
3379 }
3380
3381 static void dce_v10_0_encoder_commit(struct drm_encoder *encoder)
3382 {
3383         struct drm_device *dev = encoder->dev;
3384         struct amdgpu_device *adev = drm_to_adev(dev);
3385
3386         /* need to call this here as we need the crtc set up */
3387         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3388         amdgpu_atombios_scratch_regs_lock(adev, false);
3389 }
3390
3391 static void dce_v10_0_encoder_disable(struct drm_encoder *encoder)
3392 {
3393         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3394         struct amdgpu_encoder_atom_dig *dig;
3395
3396         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3397
3398         if (amdgpu_atombios_encoder_is_digital(encoder)) {
3399                 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3400                         dce_v10_0_afmt_enable(encoder, false);
3401                 dig = amdgpu_encoder->enc_priv;
3402                 dig->dig_encoder = -1;
3403         }
3404         amdgpu_encoder->active_device = 0;
3405 }
3406
3407 /* these are handled by the primary encoders */
3408 static void dce_v10_0_ext_prepare(struct drm_encoder *encoder)
3409 {
3410
3411 }
3412
3413 static void dce_v10_0_ext_commit(struct drm_encoder *encoder)
3414 {
3415
3416 }
3417
3418 static void
3419 dce_v10_0_ext_mode_set(struct drm_encoder *encoder,
3420                       struct drm_display_mode *mode,
3421                       struct drm_display_mode *adjusted_mode)
3422 {
3423
3424 }
3425
3426 static void dce_v10_0_ext_disable(struct drm_encoder *encoder)
3427 {
3428
3429 }
3430
3431 static void
3432 dce_v10_0_ext_dpms(struct drm_encoder *encoder, int mode)
3433 {
3434
3435 }
3436
3437 static const struct drm_encoder_helper_funcs dce_v10_0_ext_helper_funcs = {
3438         .dpms = dce_v10_0_ext_dpms,
3439         .prepare = dce_v10_0_ext_prepare,
3440         .mode_set = dce_v10_0_ext_mode_set,
3441         .commit = dce_v10_0_ext_commit,
3442         .disable = dce_v10_0_ext_disable,
3443         /* no detect for TMDS/LVDS yet */
3444 };
3445
3446 static const struct drm_encoder_helper_funcs dce_v10_0_dig_helper_funcs = {
3447         .dpms = amdgpu_atombios_encoder_dpms,
3448         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3449         .prepare = dce_v10_0_encoder_prepare,
3450         .mode_set = dce_v10_0_encoder_mode_set,
3451         .commit = dce_v10_0_encoder_commit,
3452         .disable = dce_v10_0_encoder_disable,
3453         .detect = amdgpu_atombios_encoder_dig_detect,
3454 };
3455
3456 static const struct drm_encoder_helper_funcs dce_v10_0_dac_helper_funcs = {
3457         .dpms = amdgpu_atombios_encoder_dpms,
3458         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3459         .prepare = dce_v10_0_encoder_prepare,
3460         .mode_set = dce_v10_0_encoder_mode_set,
3461         .commit = dce_v10_0_encoder_commit,
3462         .detect = amdgpu_atombios_encoder_dac_detect,
3463 };
3464
3465 static void dce_v10_0_encoder_destroy(struct drm_encoder *encoder)
3466 {
3467         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3468         if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3469                 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3470         kfree(amdgpu_encoder->enc_priv);
3471         drm_encoder_cleanup(encoder);
3472         kfree(amdgpu_encoder);
3473 }
3474
3475 static const struct drm_encoder_funcs dce_v10_0_encoder_funcs = {
3476         .destroy = dce_v10_0_encoder_destroy,
3477 };
3478
3479 static void dce_v10_0_encoder_add(struct amdgpu_device *adev,
3480                                  uint32_t encoder_enum,
3481                                  uint32_t supported_device,
3482                                  u16 caps)
3483 {
3484         struct drm_device *dev = adev_to_drm(adev);
3485         struct drm_encoder *encoder;
3486         struct amdgpu_encoder *amdgpu_encoder;
3487
3488         /* see if we already added it */
3489         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3490                 amdgpu_encoder = to_amdgpu_encoder(encoder);
3491                 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3492                         amdgpu_encoder->devices |= supported_device;
3493                         return;
3494                 }
3495
3496         }
3497
3498         /* add a new one */
3499         amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3500         if (!amdgpu_encoder)
3501                 return;
3502
3503         encoder = &amdgpu_encoder->base;
3504         switch (adev->mode_info.num_crtc) {
3505         case 1:
3506                 encoder->possible_crtcs = 0x1;
3507                 break;
3508         case 2:
3509         default:
3510                 encoder->possible_crtcs = 0x3;
3511                 break;
3512         case 4:
3513                 encoder->possible_crtcs = 0xf;
3514                 break;
3515         case 6:
3516                 encoder->possible_crtcs = 0x3f;
3517                 break;
3518         }
3519
3520         amdgpu_encoder->enc_priv = NULL;
3521
3522         amdgpu_encoder->encoder_enum = encoder_enum;
3523         amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3524         amdgpu_encoder->devices = supported_device;
3525         amdgpu_encoder->rmx_type = RMX_OFF;
3526         amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3527         amdgpu_encoder->is_ext_encoder = false;
3528         amdgpu_encoder->caps = caps;
3529
3530         switch (amdgpu_encoder->encoder_id) {
3531         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3532         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3533                 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3534                                  DRM_MODE_ENCODER_DAC, NULL);
3535                 drm_encoder_helper_add(encoder, &dce_v10_0_dac_helper_funcs);
3536                 break;
3537         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3538         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3539         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3540         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3541         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3542                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3543                         amdgpu_encoder->rmx_type = RMX_FULL;
3544                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3545                                          DRM_MODE_ENCODER_LVDS, NULL);
3546                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3547                 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3548                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3549                                          DRM_MODE_ENCODER_DAC, NULL);
3550                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3551                 } else {
3552                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3553                                          DRM_MODE_ENCODER_TMDS, NULL);
3554                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3555                 }
3556                 drm_encoder_helper_add(encoder, &dce_v10_0_dig_helper_funcs);
3557                 break;
3558         case ENCODER_OBJECT_ID_SI170B:
3559         case ENCODER_OBJECT_ID_CH7303:
3560         case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3561         case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3562         case ENCODER_OBJECT_ID_TITFP513:
3563         case ENCODER_OBJECT_ID_VT1623:
3564         case ENCODER_OBJECT_ID_HDMI_SI1930:
3565         case ENCODER_OBJECT_ID_TRAVIS:
3566         case ENCODER_OBJECT_ID_NUTMEG:
3567                 /* these are handled by the primary encoders */
3568                 amdgpu_encoder->is_ext_encoder = true;
3569                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3570                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3571                                          DRM_MODE_ENCODER_LVDS, NULL);
3572                 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3573                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3574                                          DRM_MODE_ENCODER_DAC, NULL);
3575                 else
3576                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3577                                          DRM_MODE_ENCODER_TMDS, NULL);
3578                 drm_encoder_helper_add(encoder, &dce_v10_0_ext_helper_funcs);
3579                 break;
3580         }
3581 }
3582
3583 static const struct amdgpu_display_funcs dce_v10_0_display_funcs = {
3584         .bandwidth_update = &dce_v10_0_bandwidth_update,
3585         .vblank_get_counter = &dce_v10_0_vblank_get_counter,
3586         .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3587         .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3588         .hpd_sense = &dce_v10_0_hpd_sense,
3589         .hpd_set_polarity = &dce_v10_0_hpd_set_polarity,
3590         .hpd_get_gpio_reg = &dce_v10_0_hpd_get_gpio_reg,
3591         .page_flip = &dce_v10_0_page_flip,
3592         .page_flip_get_scanoutpos = &dce_v10_0_crtc_get_scanoutpos,
3593         .add_encoder = &dce_v10_0_encoder_add,
3594         .add_connector = &amdgpu_connector_add,
3595 };
3596
3597 static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev)
3598 {
3599         adev->mode_info.funcs = &dce_v10_0_display_funcs;
3600 }
3601
3602 static const struct amdgpu_irq_src_funcs dce_v10_0_crtc_irq_funcs = {
3603         .set = dce_v10_0_set_crtc_irq_state,
3604         .process = dce_v10_0_crtc_irq,
3605 };
3606
3607 static const struct amdgpu_irq_src_funcs dce_v10_0_pageflip_irq_funcs = {
3608         .set = dce_v10_0_set_pageflip_irq_state,
3609         .process = dce_v10_0_pageflip_irq,
3610 };
3611
3612 static const struct amdgpu_irq_src_funcs dce_v10_0_hpd_irq_funcs = {
3613         .set = dce_v10_0_set_hpd_irq_state,
3614         .process = dce_v10_0_hpd_irq,
3615 };
3616
3617 static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev)
3618 {
3619         if (adev->mode_info.num_crtc > 0)
3620                 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3621         else
3622                 adev->crtc_irq.num_types = 0;
3623         adev->crtc_irq.funcs = &dce_v10_0_crtc_irq_funcs;
3624
3625         adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3626         adev->pageflip_irq.funcs = &dce_v10_0_pageflip_irq_funcs;
3627
3628         adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3629         adev->hpd_irq.funcs = &dce_v10_0_hpd_irq_funcs;
3630 }
3631
3632 const struct amdgpu_ip_block_version dce_v10_0_ip_block =
3633 {
3634         .type = AMD_IP_BLOCK_TYPE_DCE,
3635         .major = 10,
3636         .minor = 0,
3637         .rev = 0,
3638         .funcs = &dce_v10_0_ip_funcs,
3639 };
3640
3641 const struct amdgpu_ip_block_version dce_v10_1_ip_block =
3642 {
3643         .type = AMD_IP_BLOCK_TYPE_DCE,
3644         .major = 10,
3645         .minor = 1,
3646         .rev = 0,
3647         .funcs = &dce_v10_0_ip_funcs,
3648 };