drivers/gpu/drm/amd/amdgpu/dce_v11_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_v11_0.h"
  39
  40 #include "dce/dce_11_0_d.h"
  41 #include "dce/dce_11_0_sh_mask.h"
  42 #include "dce/dce_11_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_v11_0_set_display_funcs(struct amdgpu_device *adev);
  51 static void dce_v11_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         DIG7_REGISTER_OFFSET,
  83         DIG8_REGISTER_OFFSET
  84 };
  85
  86 static const struct {
  87         uint32_t        reg;
  88         uint32_t        vblank;
  89         uint32_t        vline;
  90         uint32_t        hpd;
  91
  92 } interrupt_status_offsets[] = { {
  93         .reg = mmDISP_INTERRUPT_STATUS,
  94         .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
  95         .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
  96         .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
  97 }, {
  98         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
  99         .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
 100         .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
 101         .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
 102 }, {
 103         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
 104         .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
 105         .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
 106         .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
 107 }, {
 108         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
 109         .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
 110         .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
 111         .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
 112 }, {
 113         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
 114         .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
 115         .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
 116         .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
 117 }, {
 118         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
 119         .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
 120         .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
 121         .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
 122 } };
 123
 124 static const u32 cz_golden_settings_a11[] =
 125 {
 126         mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
 127         mmFBC_MISC, 0x1f311fff, 0x14300000,
 128 };
 129
 130 static const u32 cz_mgcg_cgcg_init[] =
 131 {
 132         mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 133         mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 134 };
 135
 136 static const u32 stoney_golden_settings_a11[] =
 137 {
 138         mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
 139         mmFBC_MISC, 0x1f311fff, 0x14302000,
 140 };
 141
 142 static const u32 polaris11_golden_settings_a11[] =
 143 {
 144         mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 145         mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 146         mmFBC_DEBUG1, 0xffffffff, 0x00000008,
 147         mmFBC_MISC, 0x9f313fff, 0x14302008,
 148         mmHDMI_CONTROL, 0x313f031f, 0x00000011,
 149 };
 150
 151 static const u32 polaris10_golden_settings_a11[] =
 152 {
 153         mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 154         mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 155         mmFBC_MISC, 0x9f313fff, 0x14302008,
 156         mmHDMI_CONTROL, 0x313f031f, 0x00000011,
 157 };
 158
 159 static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
 160 {
 161         switch (adev->asic_type) {
 162         case CHIP_CARRIZO:
 163                 amdgpu_device_program_register_sequence(adev,
 164                                                         cz_mgcg_cgcg_init,
 165                                                         ARRAY_SIZE(cz_mgcg_cgcg_init));
 166                 amdgpu_device_program_register_sequence(adev,
 167                                                         cz_golden_settings_a11,
 168                                                         ARRAY_SIZE(cz_golden_settings_a11));
 169                 break;
 170         case CHIP_STONEY:
 171                 amdgpu_device_program_register_sequence(adev,
 172                                                         stoney_golden_settings_a11,
 173                                                         ARRAY_SIZE(stoney_golden_settings_a11));
 174                 break;
 175         case CHIP_POLARIS11:
 176         case CHIP_POLARIS12:
 177                 amdgpu_device_program_register_sequence(adev,
 178                                                         polaris11_golden_settings_a11,
 179                                                         ARRAY_SIZE(polaris11_golden_settings_a11));
 180                 break;
 181         case CHIP_POLARIS10:
 182         case CHIP_VEGAM:
 183                 amdgpu_device_program_register_sequence(adev,
 184                                                         polaris10_golden_settings_a11,
 185                                                         ARRAY_SIZE(polaris10_golden_settings_a11));
 186                 break;
 187         default:
 188                 break;
 189         }
 190 }
 191
 192 static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
 193                                      u32 block_offset, u32 reg)
 194 {
 195         unsigned long flags;
 196         u32 r;
 197
 198         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 199         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 200         r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 201         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 202
 203         return r;
 204 }
 205
 206 static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
 207                                       u32 block_offset, u32 reg, u32 v)
 208 {
 209         unsigned long flags;
 210
 211         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 212         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 213         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 214         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 215 }
 216
 217 static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 218 {
 219         if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
 220                 return 0;
 221         else
 222                 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 223 }
 224
 225 static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 226 {
 227         unsigned i;
 228
 229         /* Enable pflip interrupts */
 230         for (i = 0; i < adev->mode_info.num_crtc; i++)
 231                 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 232 }
 233
 234 static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 235 {
 236         unsigned i;
 237
 238         /* Disable pflip interrupts */
 239         for (i = 0; i < adev->mode_info.num_crtc; i++)
 240                 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 241 }
 242
 243 /**
 244  * dce_v11_0_page_flip - pageflip callback.
 245  *
 246  * @adev: amdgpu_device pointer
 247  * @crtc_id: crtc to cleanup pageflip on
 248  * @crtc_base: new address of the crtc (GPU MC address)
 249  *
 250  * Triggers the actual pageflip by updating the primary
 251  * surface base address.
 252  */
 253 static void dce_v11_0_page_flip(struct amdgpu_device *adev,
 254                                 int crtc_id, u64 crtc_base, bool async)
 255 {
 256         struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 257         struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
 258         u32 tmp;
 259
 260         /* flip immediate for async, default is vsync */
 261         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
 262         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
 263                             GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0);
 264         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 265         /* update pitch */
 266         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
 267                fb->pitches[0] / fb->format->cpp[0]);
 268         /* update the scanout addresses */
 269         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 270                upper_32_bits(crtc_base));
 271         /* writing to the low address triggers the update */
 272         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 273                lower_32_bits(crtc_base));
 274         /* post the write */
 275         RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 276 }
 277
 278 static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 279                                         u32 *vbl, u32 *position)
 280 {
 281         if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 282                 return -EINVAL;
 283
 284         *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 285         *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 286
 287         return 0;
 288 }
 289
 290 /**
 291  * dce_v11_0_hpd_sense - hpd sense callback.
 292  *
 293  * @adev: amdgpu_device pointer
 294  * @hpd: hpd (hotplug detect) pin
 295  *
 296  * Checks if a digital monitor is connected (evergreen+).
 297  * Returns true if connected, false if not connected.
 298  */
 299 static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
 300                                enum amdgpu_hpd_id hpd)
 301 {
 302         bool connected = false;
 303
 304         if (hpd >= adev->mode_info.num_hpd)
 305                 return connected;
 306
 307         if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
 308             DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
 309                 connected = true;
 310
 311         return connected;
 312 }
 313
 314 /**
 315  * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
 316  *
 317  * @adev: amdgpu_device pointer
 318  * @hpd: hpd (hotplug detect) pin
 319  *
 320  * Set the polarity of the hpd pin (evergreen+).
 321  */
 322 static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
 323                                       enum amdgpu_hpd_id hpd)
 324 {
 325         u32 tmp;
 326         bool connected = dce_v11_0_hpd_sense(adev, hpd);
 327
 328         if (hpd >= adev->mode_info.num_hpd)
 329                 return;
 330
 331         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
 332         if (connected)
 333                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
 334         else
 335                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
 336         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
 337 }
 338
 339 /**
 340  * dce_v11_0_hpd_init - hpd setup callback.
 341  *
 342  * @adev: amdgpu_device pointer
 343  *
 344  * Setup the hpd pins used by the card (evergreen+).
 345  * Enable the pin, set the polarity, and enable the hpd interrupts.
 346  */
 347 static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
 348 {
 349         struct drm_device *dev = adev->ddev;
 350         struct drm_connector *connector;
 351         struct drm_connector_list_iter iter;
 352         u32 tmp;
 353
 354         drm_connector_list_iter_begin(dev, &iter);
 355         drm_for_each_connector_iter(connector, &iter) {
 356                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 357
 358                 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 359                         continue;
 360
 361                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 362                     connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 363                         /* don't try to enable hpd on eDP or LVDS avoid breaking the
 364                          * aux dp channel on imac and help (but not completely fix)
 365                          * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 366                          * also avoid interrupt storms during dpms.
 367                          */
 368                         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 369                         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
 370                         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 371                         continue;
 372                 }
 373
 374                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 375                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
 376                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 377
 378                 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 379                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 380                                     DC_HPD_CONNECT_INT_DELAY,
 381                                     AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
 382                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 383                                     DC_HPD_DISCONNECT_INT_DELAY,
 384                                     AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
 385                 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 386
 387                 dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 388                 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 389         }
 390         drm_connector_list_iter_end(&iter);
 391 }
 392
 393 /**
 394  * dce_v11_0_hpd_fini - hpd tear down callback.
 395  *
 396  * @adev: amdgpu_device pointer
 397  *
 398  * Tear down the hpd pins used by the card (evergreen+).
 399  * Disable the hpd interrupts.
 400  */
 401 static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
 402 {
 403         struct drm_device *dev = adev->ddev;
 404         struct drm_connector *connector;
 405         struct drm_connector_list_iter iter;
 406         u32 tmp;
 407
 408         drm_connector_list_iter_begin(dev, &iter);
 409         drm_for_each_connector_iter(connector, &iter) {
 410                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 411
 412                 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 413                         continue;
 414
 415                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 416                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
 417                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 418
 419                 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 420         }
 421         drm_connector_list_iter_end(&iter);
 422 }
 423
 424 static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 425 {
 426         return mmDC_GPIO_HPD_A;
 427 }
 428
 429 static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
 430 {
 431         u32 crtc_hung = 0;
 432         u32 crtc_status[6];
 433         u32 i, j, tmp;
 434
 435         for (i = 0; i < adev->mode_info.num_crtc; i++) {
 436                 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 437                 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
 438                         crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 439                         crtc_hung |= (1 << i);
 440                 }
 441         }
 442
 443         for (j = 0; j < 10; j++) {
 444                 for (i = 0; i < adev->mode_info.num_crtc; i++) {
 445                         if (crtc_hung & (1 << i)) {
 446                                 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 447                                 if (tmp != crtc_status[i])
 448                                         crtc_hung &= ~(1 << i);
 449                         }
 450                 }
 451                 if (crtc_hung == 0)
 452                         return false;
 453                 udelay(100);
 454         }
 455
 456         return true;
 457 }
 458
 459 static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
 460                                            bool render)
 461 {
 462         u32 tmp;
 463
 464         /* Lockout access through VGA aperture*/
 465         tmp = RREG32(mmVGA_HDP_CONTROL);
 466         if (render)
 467                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
 468         else
 469                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
 470         WREG32(mmVGA_HDP_CONTROL, tmp);
 471
 472         /* disable VGA render */
 473         tmp = RREG32(mmVGA_RENDER_CONTROL);
 474         if (render)
 475                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
 476         else
 477                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 478         WREG32(mmVGA_RENDER_CONTROL, tmp);
 479 }
 480
 481 static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev)
 482 {
 483         int num_crtc = 0;
 484
 485         switch (adev->asic_type) {
 486         case CHIP_CARRIZO:
 487                 num_crtc = 3;
 488                 break;
 489         case CHIP_STONEY:
 490                 num_crtc = 2;
 491                 break;
 492         case CHIP_POLARIS10:
 493         case CHIP_VEGAM:
 494                 num_crtc = 6;
 495                 break;
 496         case CHIP_POLARIS11:
 497         case CHIP_POLARIS12:
 498                 num_crtc = 5;
 499                 break;
 500         default:
 501                 num_crtc = 0;
 502         }
 503         return num_crtc;
 504 }
 505
 506 void dce_v11_0_disable_dce(struct amdgpu_device *adev)
 507 {
 508         /*Disable VGA render and enabled crtc, if has DCE engine*/
 509         if (amdgpu_atombios_has_dce_engine_info(adev)) {
 510                 u32 tmp;
 511                 int crtc_enabled, i;
 512
 513                 dce_v11_0_set_vga_render_state(adev, false);
 514
 515                 /*Disable crtc*/
 516                 for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) {
 517                         crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
 518                                                                          CRTC_CONTROL, CRTC_MASTER_EN);
 519                         if (crtc_enabled) {
 520                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 521                                 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 522                                 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
 523                                 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 524                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 525                         }
 526                 }
 527         }
 528 }
 529
 530 static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
 531 {
 532         struct drm_device *dev = encoder->dev;
 533         struct amdgpu_device *adev = dev->dev_private;
 534         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 535         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 536         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 537         int bpc = 0;
 538         u32 tmp = 0;
 539         enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 540
 541         if (connector) {
 542                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 543                 bpc = amdgpu_connector_get_monitor_bpc(connector);
 544                 dither = amdgpu_connector->dither;
 545         }
 546
 547         /* LVDS/eDP FMT is set up by atom */
 548         if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 549                 return;
 550
 551         /* not needed for analog */
 552         if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 553             (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 554                 return;
 555
 556         if (bpc == 0)
 557                 return;
 558
 559         switch (bpc) {
 560         case 6:
 561                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 562                         /* XXX sort out optimal dither settings */
 563                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 564                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_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, 0);
 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, 0);
 570                 }
 571                 break;
 572         case 8:
 573                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 574                         /* XXX sort out optimal dither settings */
 575                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 576                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 577                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 578                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 579                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
 580                 } else {
 581                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 582                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
 583                 }
 584                 break;
 585         case 10:
 586                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 587                         /* XXX sort out optimal dither settings */
 588                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 589                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 590                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 591                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 592                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
 593                 } else {
 594                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 595                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
 596                 }
 597                 break;
 598         default:
 599                 /* not needed */
 600                 break;
 601         }
 602
 603         WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 604 }
 605
 606
 607 /* display watermark setup */
 608 /**
 609  * dce_v11_0_line_buffer_adjust - Set up the line buffer
 610  *
 611  * @adev: amdgpu_device pointer
 612  * @amdgpu_crtc: the selected display controller
 613  * @mode: the current display mode on the selected display
 614  * controller
 615  *
 616  * Setup up the line buffer allocation for
 617  * the selected display controller (CIK).
 618  * Returns the line buffer size in pixels.
 619  */
 620 static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
 621                                        struct amdgpu_crtc *amdgpu_crtc,
 622                                        struct drm_display_mode *mode)
 623 {
 624         u32 tmp, buffer_alloc, i, mem_cfg;
 625         u32 pipe_offset = amdgpu_crtc->crtc_id;
 626         /*
 627          * Line Buffer Setup
 628          * There are 6 line buffers, one for each display controllers.
 629          * There are 3 partitions per LB. Select the number of partitions
 630          * to enable based on the display width.  For display widths larger
 631          * than 4096, you need use to use 2 display controllers and combine
 632          * them using the stereo blender.
 633          */
 634         if (amdgpu_crtc->base.enabled && mode) {
 635                 if (mode->crtc_hdisplay < 1920) {
 636                         mem_cfg = 1;
 637                         buffer_alloc = 2;
 638                 } else if (mode->crtc_hdisplay < 2560) {
 639                         mem_cfg = 2;
 640                         buffer_alloc = 2;
 641                 } else if (mode->crtc_hdisplay < 4096) {
 642                         mem_cfg = 0;
 643                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 644                 } else {
 645                         DRM_DEBUG_KMS("Mode too big for LB!\n");
 646                         mem_cfg = 0;
 647                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 648                 }
 649         } else {
 650                 mem_cfg = 1;
 651                 buffer_alloc = 0;
 652         }
 653
 654         tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
 655         tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
 656         WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
 657
 658         tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 659         tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
 660         WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
 661
 662         for (i = 0; i < adev->usec_timeout; i++) {
 663                 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 664                 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
 665                         break;
 666                 udelay(1);
 667         }
 668
 669         if (amdgpu_crtc->base.enabled && mode) {
 670                 switch (mem_cfg) {
 671                 case 0:
 672                 default:
 673                         return 4096 * 2;
 674                 case 1:
 675                         return 1920 * 2;
 676                 case 2:
 677                         return 2560 * 2;
 678                 }
 679         }
 680
 681         /* controller not enabled, so no lb used */
 682         return 0;
 683 }
 684
 685 /**
 686  * cik_get_number_of_dram_channels - get the number of dram channels
 687  *
 688  * @adev: amdgpu_device pointer
 689  *
 690  * Look up the number of video ram channels (CIK).
 691  * Used for display watermark bandwidth calculations
 692  * Returns the number of dram channels
 693  */
 694 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
 695 {
 696         u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 697
 698         switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
 699         case 0:
 700         default:
 701                 return 1;
 702         case 1:
 703                 return 2;
 704         case 2:
 705                 return 4;
 706         case 3:
 707                 return 8;
 708         case 4:
 709                 return 3;
 710         case 5:
 711                 return 6;
 712         case 6:
 713                 return 10;
 714         case 7:
 715                 return 12;
 716         case 8:
 717                 return 16;
 718         }
 719 }
 720
 721 struct dce10_wm_params {
 722         u32 dram_channels; /* number of dram channels */
 723         u32 yclk;          /* bandwidth per dram data pin in kHz */
 724         u32 sclk;          /* engine clock in kHz */
 725         u32 disp_clk;      /* display clock in kHz */
 726         u32 src_width;     /* viewport width */
 727         u32 active_time;   /* active display time in ns */
 728         u32 blank_time;    /* blank time in ns */
 729         bool interlaced;    /* mode is interlaced */
 730         fixed20_12 vsc;    /* vertical scale ratio */
 731         u32 num_heads;     /* number of active crtcs */
 732         u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 733         u32 lb_size;       /* line buffer allocated to pipe */
 734         u32 vtaps;         /* vertical scaler taps */
 735 };
 736
 737 /**
 738  * dce_v11_0_dram_bandwidth - get the dram bandwidth
 739  *
 740  * @wm: watermark calculation data
 741  *
 742  * Calculate the raw dram bandwidth (CIK).
 743  * Used for display watermark bandwidth calculations
 744  * Returns the dram bandwidth in MBytes/s
 745  */
 746 static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
 747 {
 748         /* Calculate raw DRAM Bandwidth */
 749         fixed20_12 dram_efficiency; /* 0.7 */
 750         fixed20_12 yclk, dram_channels, bandwidth;
 751         fixed20_12 a;
 752
 753         a.full = dfixed_const(1000);
 754         yclk.full = dfixed_const(wm->yclk);
 755         yclk.full = dfixed_div(yclk, a);
 756         dram_channels.full = dfixed_const(wm->dram_channels * 4);
 757         a.full = dfixed_const(10);
 758         dram_efficiency.full = dfixed_const(7);
 759         dram_efficiency.full = dfixed_div(dram_efficiency, a);
 760         bandwidth.full = dfixed_mul(dram_channels, yclk);
 761         bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 762
 763         return dfixed_trunc(bandwidth);
 764 }
 765
 766 /**
 767  * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
 768  *
 769  * @wm: watermark calculation data
 770  *
 771  * Calculate the dram bandwidth used for display (CIK).
 772  * Used for display watermark bandwidth calculations
 773  * Returns the dram bandwidth for display in MBytes/s
 774  */
 775 static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 776 {
 777         /* Calculate DRAM Bandwidth and the part allocated to display. */
 778         fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 779         fixed20_12 yclk, dram_channels, bandwidth;
 780         fixed20_12 a;
 781
 782         a.full = dfixed_const(1000);
 783         yclk.full = dfixed_const(wm->yclk);
 784         yclk.full = dfixed_div(yclk, a);
 785         dram_channels.full = dfixed_const(wm->dram_channels * 4);
 786         a.full = dfixed_const(10);
 787         disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 788         disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 789         bandwidth.full = dfixed_mul(dram_channels, yclk);
 790         bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 791
 792         return dfixed_trunc(bandwidth);
 793 }
 794
 795 /**
 796  * dce_v11_0_data_return_bandwidth - get the data return bandwidth
 797  *
 798  * @wm: watermark calculation data
 799  *
 800  * Calculate the data return bandwidth used for display (CIK).
 801  * Used for display watermark bandwidth calculations
 802  * Returns the data return bandwidth in MBytes/s
 803  */
 804 static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
 805 {
 806         /* Calculate the display Data return Bandwidth */
 807         fixed20_12 return_efficiency; /* 0.8 */
 808         fixed20_12 sclk, bandwidth;
 809         fixed20_12 a;
 810
 811         a.full = dfixed_const(1000);
 812         sclk.full = dfixed_const(wm->sclk);
 813         sclk.full = dfixed_div(sclk, a);
 814         a.full = dfixed_const(10);
 815         return_efficiency.full = dfixed_const(8);
 816         return_efficiency.full = dfixed_div(return_efficiency, a);
 817         a.full = dfixed_const(32);
 818         bandwidth.full = dfixed_mul(a, sclk);
 819         bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 820
 821         return dfixed_trunc(bandwidth);
 822 }
 823
 824 /**
 825  * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
 826  *
 827  * @wm: watermark calculation data
 828  *
 829  * Calculate the dmif bandwidth used for display (CIK).
 830  * Used for display watermark bandwidth calculations
 831  * Returns the dmif bandwidth in MBytes/s
 832  */
 833 static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
 834 {
 835         /* Calculate the DMIF Request Bandwidth */
 836         fixed20_12 disp_clk_request_efficiency; /* 0.8 */
 837         fixed20_12 disp_clk, bandwidth;
 838         fixed20_12 a, b;
 839
 840         a.full = dfixed_const(1000);
 841         disp_clk.full = dfixed_const(wm->disp_clk);
 842         disp_clk.full = dfixed_div(disp_clk, a);
 843         a.full = dfixed_const(32);
 844         b.full = dfixed_mul(a, disp_clk);
 845
 846         a.full = dfixed_const(10);
 847         disp_clk_request_efficiency.full = dfixed_const(8);
 848         disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
 849
 850         bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
 851
 852         return dfixed_trunc(bandwidth);
 853 }
 854
 855 /**
 856  * dce_v11_0_available_bandwidth - get the min available bandwidth
 857  *
 858  * @wm: watermark calculation data
 859  *
 860  * Calculate the min available bandwidth used for display (CIK).
 861  * Used for display watermark bandwidth calculations
 862  * Returns the min available bandwidth in MBytes/s
 863  */
 864 static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
 865 {
 866         /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
 867         u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
 868         u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
 869         u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
 870
 871         return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
 872 }
 873
 874 /**
 875  * dce_v11_0_average_bandwidth - get the average available bandwidth
 876  *
 877  * @wm: watermark calculation data
 878  *
 879  * Calculate the average available bandwidth used for display (CIK).
 880  * Used for display watermark bandwidth calculations
 881  * Returns the average available bandwidth in MBytes/s
 882  */
 883 static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
 884 {
 885         /* Calculate the display mode Average Bandwidth
 886          * DisplayMode should contain the source and destination dimensions,
 887          * timing, etc.
 888          */
 889         fixed20_12 bpp;
 890         fixed20_12 line_time;
 891         fixed20_12 src_width;
 892         fixed20_12 bandwidth;
 893         fixed20_12 a;
 894
 895         a.full = dfixed_const(1000);
 896         line_time.full = dfixed_const(wm->active_time + wm->blank_time);
 897         line_time.full = dfixed_div(line_time, a);
 898         bpp.full = dfixed_const(wm->bytes_per_pixel);
 899         src_width.full = dfixed_const(wm->src_width);
 900         bandwidth.full = dfixed_mul(src_width, bpp);
 901         bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
 902         bandwidth.full = dfixed_div(bandwidth, line_time);
 903
 904         return dfixed_trunc(bandwidth);
 905 }
 906
 907 /**
 908  * dce_v11_0_latency_watermark - get the latency watermark
 909  *
 910  * @wm: watermark calculation data
 911  *
 912  * Calculate the latency watermark (CIK).
 913  * Used for display watermark bandwidth calculations
 914  * Returns the latency watermark in ns
 915  */
 916 static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
 917 {
 918         /* First calculate the latency in ns */
 919         u32 mc_latency = 2000; /* 2000 ns. */
 920         u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
 921         u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
 922         u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
 923         u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
 924         u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
 925                 (wm->num_heads * cursor_line_pair_return_time);
 926         u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
 927         u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
 928         u32 tmp, dmif_size = 12288;
 929         fixed20_12 a, b, c;
 930
 931         if (wm->num_heads == 0)
 932                 return 0;
 933
 934         a.full = dfixed_const(2);
 935         b.full = dfixed_const(1);
 936         if ((wm->vsc.full > a.full) ||
 937             ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
 938             (wm->vtaps >= 5) ||
 939             ((wm->vsc.full >= a.full) && wm->interlaced))
 940                 max_src_lines_per_dst_line = 4;
 941         else
 942                 max_src_lines_per_dst_line = 2;
 943
 944         a.full = dfixed_const(available_bandwidth);
 945         b.full = dfixed_const(wm->num_heads);
 946         a.full = dfixed_div(a, b);
 947         tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
 948         tmp = min(dfixed_trunc(a), tmp);
 949
 950         lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
 951
 952         a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 953         b.full = dfixed_const(1000);
 954         c.full = dfixed_const(lb_fill_bw);
 955         b.full = dfixed_div(c, b);
 956         a.full = dfixed_div(a, b);
 957         line_fill_time = dfixed_trunc(a);
 958
 959         if (line_fill_time < wm->active_time)
 960                 return latency;
 961         else
 962                 return latency + (line_fill_time - wm->active_time);
 963
 964 }
 965
 966 /**
 967  * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
 968  * average and available dram bandwidth
 969  *
 970  * @wm: watermark calculation data
 971  *
 972  * Check if the display average bandwidth fits in the display
 973  * dram bandwidth (CIK).
 974  * Used for display watermark bandwidth calculations
 975  * Returns true if the display fits, false if not.
 976  */
 977 static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 978 {
 979         if (dce_v11_0_average_bandwidth(wm) <=
 980             (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
 981                 return true;
 982         else
 983                 return false;
 984 }
 985
 986 /**
 987  * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
 988  * average and available bandwidth
 989  *
 990  * @wm: watermark calculation data
 991  *
 992  * Check if the display average bandwidth fits in the display
 993  * available bandwidth (CIK).
 994  * Used for display watermark bandwidth calculations
 995  * Returns true if the display fits, false if not.
 996  */
 997 static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
 998 {
 999         if (dce_v11_0_average_bandwidth(wm) <=
1000             (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1001                 return true;
1002         else
1003                 return false;
1004 }
1005
1006 /**
1007  * dce_v11_0_check_latency_hiding - check latency hiding
1008  *
1009  * @wm: watermark calculation data
1010  *
1011  * Check latency hiding (CIK).
1012  * Used for display watermark bandwidth calculations
1013  * Returns true if the display fits, false if not.
1014  */
1015 static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1016 {
1017         u32 lb_partitions = wm->lb_size / wm->src_width;
1018         u32 line_time = wm->active_time + wm->blank_time;
1019         u32 latency_tolerant_lines;
1020         u32 latency_hiding;
1021         fixed20_12 a;
1022
1023         a.full = dfixed_const(1);
1024         if (wm->vsc.full > a.full)
1025                 latency_tolerant_lines = 1;
1026         else {
1027                 if (lb_partitions <= (wm->vtaps + 1))
1028                         latency_tolerant_lines = 1;
1029                 else
1030                         latency_tolerant_lines = 2;
1031         }
1032
1033         latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1034
1035         if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1036                 return true;
1037         else
1038                 return false;
1039 }
1040
1041 /**
1042  * dce_v11_0_program_watermarks - program display watermarks
1043  *
1044  * @adev: amdgpu_device pointer
1045  * @amdgpu_crtc: the selected display controller
1046  * @lb_size: line buffer size
1047  * @num_heads: number of display controllers in use
1048  *
1049  * Calculate and program the display watermarks for the
1050  * selected display controller (CIK).
1051  */
1052 static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1053                                         struct amdgpu_crtc *amdgpu_crtc,
1054                                         u32 lb_size, u32 num_heads)
1055 {
1056         struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1057         struct dce10_wm_params wm_low, wm_high;
1058         u32 active_time;
1059         u32 line_time = 0;
1060         u32 latency_watermark_a = 0, latency_watermark_b = 0;
1061         u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1062
1063         if (amdgpu_crtc->base.enabled && num_heads && mode) {
1064                 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1065                                             (u32)mode->clock);
1066                 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1067                                           (u32)mode->clock);
1068                 line_time = min(line_time, (u32)65535);
1069
1070                 /* watermark for high clocks */
1071                 if (adev->pm.dpm_enabled) {
1072                         wm_high.yclk =
1073                                 amdgpu_dpm_get_mclk(adev, false) * 10;
1074                         wm_high.sclk =
1075                                 amdgpu_dpm_get_sclk(adev, false) * 10;
1076                 } else {
1077                         wm_high.yclk = adev->pm.current_mclk * 10;
1078                         wm_high.sclk = adev->pm.current_sclk * 10;
1079                 }
1080
1081                 wm_high.disp_clk = mode->clock;
1082                 wm_high.src_width = mode->crtc_hdisplay;
1083                 wm_high.active_time = active_time;
1084                 wm_high.blank_time = line_time - wm_high.active_time;
1085                 wm_high.interlaced = false;
1086                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1087                         wm_high.interlaced = true;
1088                 wm_high.vsc = amdgpu_crtc->vsc;
1089                 wm_high.vtaps = 1;
1090                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1091                         wm_high.vtaps = 2;
1092                 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1093                 wm_high.lb_size = lb_size;
1094                 wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1095                 wm_high.num_heads = num_heads;
1096
1097                 /* set for high clocks */
1098                 latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535);
1099
1100                 /* possibly force display priority to high */
1101                 /* should really do this at mode validation time... */
1102                 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1103                     !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1104                     !dce_v11_0_check_latency_hiding(&wm_high) ||
1105                     (adev->mode_info.disp_priority == 2)) {
1106                         DRM_DEBUG_KMS("force priority to high\n");
1107                 }
1108
1109                 /* watermark for low clocks */
1110                 if (adev->pm.dpm_enabled) {
1111                         wm_low.yclk =
1112                                 amdgpu_dpm_get_mclk(adev, true) * 10;
1113                         wm_low.sclk =
1114                                 amdgpu_dpm_get_sclk(adev, true) * 10;
1115                 } else {
1116                         wm_low.yclk = adev->pm.current_mclk * 10;
1117                         wm_low.sclk = adev->pm.current_sclk * 10;
1118                 }
1119
1120                 wm_low.disp_clk = mode->clock;
1121                 wm_low.src_width = mode->crtc_hdisplay;
1122                 wm_low.active_time = active_time;
1123                 wm_low.blank_time = line_time - wm_low.active_time;
1124                 wm_low.interlaced = false;
1125                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1126                         wm_low.interlaced = true;
1127                 wm_low.vsc = amdgpu_crtc->vsc;
1128                 wm_low.vtaps = 1;
1129                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1130                         wm_low.vtaps = 2;
1131                 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1132                 wm_low.lb_size = lb_size;
1133                 wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1134                 wm_low.num_heads = num_heads;
1135
1136                 /* set for low clocks */
1137                 latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535);
1138
1139                 /* possibly force display priority to high */
1140                 /* should really do this at mode validation time... */
1141                 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1142                     !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1143                     !dce_v11_0_check_latency_hiding(&wm_low) ||
1144                     (adev->mode_info.disp_priority == 2)) {
1145                         DRM_DEBUG_KMS("force priority to high\n");
1146                 }
1147                 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1148         }
1149
1150         /* select wm A */
1151         wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1152         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1153         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1154         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1155         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1156         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1157         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1158         /* select wm B */
1159         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1160         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1161         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1162         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1163         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1164         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1165         /* restore original selection */
1166         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1167
1168         /* save values for DPM */
1169         amdgpu_crtc->line_time = line_time;
1170         amdgpu_crtc->wm_high = latency_watermark_a;
1171         amdgpu_crtc->wm_low = latency_watermark_b;
1172         /* Save number of lines the linebuffer leads before the scanout */
1173         amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1174 }
1175
1176 /**
1177  * dce_v11_0_bandwidth_update - program display watermarks
1178  *
1179  * @adev: amdgpu_device pointer
1180  *
1181  * Calculate and program the display watermarks and line
1182  * buffer allocation (CIK).
1183  */
1184 static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1185 {
1186         struct drm_display_mode *mode = NULL;
1187         u32 num_heads = 0, lb_size;
1188         int i;
1189
1190         amdgpu_display_update_priority(adev);
1191
1192         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1193                 if (adev->mode_info.crtcs[i]->base.enabled)
1194                         num_heads++;
1195         }
1196         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1197                 mode = &adev->mode_info.crtcs[i]->base.mode;
1198                 lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1199                 dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1200                                             lb_size, num_heads);
1201         }
1202 }
1203
1204 static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1205 {
1206         int i;
1207         u32 offset, tmp;
1208
1209         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1210                 offset = adev->mode_info.audio.pin[i].offset;
1211                 tmp = RREG32_AUDIO_ENDPT(offset,
1212                                          ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1213                 if (((tmp &
1214                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1215                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1216                         adev->mode_info.audio.pin[i].connected = false;
1217                 else
1218                         adev->mode_info.audio.pin[i].connected = true;
1219         }
1220 }
1221
1222 static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1223 {
1224         int i;
1225
1226         dce_v11_0_audio_get_connected_pins(adev);
1227
1228         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1229                 if (adev->mode_info.audio.pin[i].connected)
1230                         return &adev->mode_info.audio.pin[i];
1231         }
1232         DRM_ERROR("No connected audio pins found!\n");
1233         return NULL;
1234 }
1235
1236 static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1237 {
1238         struct amdgpu_device *adev = encoder->dev->dev_private;
1239         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1240         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1241         u32 tmp;
1242
1243         if (!dig || !dig->afmt || !dig->afmt->pin)
1244                 return;
1245
1246         tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1247         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1248         WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1249 }
1250
1251 static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1252                                                 struct drm_display_mode *mode)
1253 {
1254         struct drm_device *dev = encoder->dev;
1255         struct amdgpu_device *adev = dev->dev_private;
1256         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1257         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1258         struct drm_connector *connector;
1259         struct drm_connector_list_iter iter;
1260         struct amdgpu_connector *amdgpu_connector = NULL;
1261         u32 tmp;
1262         int interlace = 0;
1263
1264         if (!dig || !dig->afmt || !dig->afmt->pin)
1265                 return;
1266
1267         drm_connector_list_iter_begin(dev, &iter);
1268         drm_for_each_connector_iter(connector, &iter) {
1269                 if (connector->encoder == encoder) {
1270                         amdgpu_connector = to_amdgpu_connector(connector);
1271                         break;
1272                 }
1273         }
1274         drm_connector_list_iter_end(&iter);
1275
1276         if (!amdgpu_connector) {
1277                 DRM_ERROR("Couldn't find encoder's connector\n");
1278                 return;
1279         }
1280
1281         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1282                 interlace = 1;
1283         if (connector->latency_present[interlace]) {
1284                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1285                                     VIDEO_LIPSYNC, connector->video_latency[interlace]);
1286                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1287                                     AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1288         } else {
1289                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1290                                     VIDEO_LIPSYNC, 0);
1291                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1292                                     AUDIO_LIPSYNC, 0);
1293         }
1294         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1295                            ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1296 }
1297
1298 static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1299 {
1300         struct drm_device *dev = encoder->dev;
1301         struct amdgpu_device *adev = dev->dev_private;
1302         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1303         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1304         struct drm_connector *connector;
1305         struct drm_connector_list_iter iter;
1306         struct amdgpu_connector *amdgpu_connector = NULL;
1307         u32 tmp;
1308         u8 *sadb = NULL;
1309         int sad_count;
1310
1311         if (!dig || !dig->afmt || !dig->afmt->pin)
1312                 return;
1313
1314         drm_connector_list_iter_begin(dev, &iter);
1315         drm_for_each_connector_iter(connector, &iter) {
1316                 if (connector->encoder == encoder) {
1317                         amdgpu_connector = to_amdgpu_connector(connector);
1318                         break;
1319                 }
1320         }
1321         drm_connector_list_iter_end(&iter);
1322
1323         if (!amdgpu_connector) {
1324                 DRM_ERROR("Couldn't find encoder's connector\n");
1325                 return;
1326         }
1327
1328         sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1329         if (sad_count < 0) {
1330                 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1331                 sad_count = 0;
1332         }
1333
1334         /* program the speaker allocation */
1335         tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1336                                  ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1337         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1338                             DP_CONNECTION, 0);
1339         /* set HDMI mode */
1340         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1341                             HDMI_CONNECTION, 1);
1342         if (sad_count)
1343                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1344                                     SPEAKER_ALLOCATION, sadb[0]);
1345         else
1346                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1347                                     SPEAKER_ALLOCATION, 5); /* stereo */
1348         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1349                            ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1350
1351         kfree(sadb);
1352 }
1353
1354 static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1355 {
1356         struct drm_device *dev = encoder->dev;
1357         struct amdgpu_device *adev = dev->dev_private;
1358         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1359         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1360         struct drm_connector *connector;
1361         struct drm_connector_list_iter iter;
1362         struct amdgpu_connector *amdgpu_connector = NULL;
1363         struct cea_sad *sads;
1364         int i, sad_count;
1365
1366         static const u16 eld_reg_to_type[][2] = {
1367                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1368                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1369                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1370                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1371                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1372                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1373                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1374                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1375                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1376                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1377                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1378                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1379         };
1380
1381         if (!dig || !dig->afmt || !dig->afmt->pin)
1382                 return;
1383
1384         drm_connector_list_iter_begin(dev, &iter);
1385         drm_for_each_connector_iter(connector, &iter) {
1386                 if (connector->encoder == encoder) {
1387                         amdgpu_connector = to_amdgpu_connector(connector);
1388                         break;
1389                 }
1390         }
1391         drm_connector_list_iter_end(&iter);
1392
1393         if (!amdgpu_connector) {
1394                 DRM_ERROR("Couldn't find encoder's connector\n");
1395                 return;
1396         }
1397
1398         sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1399         if (sad_count < 0)
1400                 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1401         if (sad_count <= 0)
1402                 return;
1403         BUG_ON(!sads);
1404
1405         for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1406                 u32 tmp = 0;
1407                 u8 stereo_freqs = 0;
1408                 int max_channels = -1;
1409                 int j;
1410
1411                 for (j = 0; j < sad_count; j++) {
1412                         struct cea_sad *sad = &sads[j];
1413
1414                         if (sad->format == eld_reg_to_type[i][1]) {
1415                                 if (sad->channels > max_channels) {
1416                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1417                                                             MAX_CHANNELS, sad->channels);
1418                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1419                                                             DESCRIPTOR_BYTE_2, sad->byte2);
1420                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1421                                                             SUPPORTED_FREQUENCIES, sad->freq);
1422                                         max_channels = sad->channels;
1423                                 }
1424
1425                                 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1426                                         stereo_freqs |= sad->freq;
1427                                 else
1428                                         break;
1429                         }
1430                 }
1431
1432                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1433                                     SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1434                 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1435         }
1436
1437         kfree(sads);
1438 }
1439
1440 static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1441                                   struct amdgpu_audio_pin *pin,
1442                                   bool enable)
1443 {
1444         if (!pin)
1445                 return;
1446
1447         WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1448                            enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1449 }
1450
1451 static const u32 pin_offsets[] =
1452 {
1453         AUD0_REGISTER_OFFSET,
1454         AUD1_REGISTER_OFFSET,
1455         AUD2_REGISTER_OFFSET,
1456         AUD3_REGISTER_OFFSET,
1457         AUD4_REGISTER_OFFSET,
1458         AUD5_REGISTER_OFFSET,
1459         AUD6_REGISTER_OFFSET,
1460         AUD7_REGISTER_OFFSET,
1461 };
1462
1463 static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1464 {
1465         int i;
1466
1467         if (!amdgpu_audio)
1468                 return 0;
1469
1470         adev->mode_info.audio.enabled = true;
1471
1472         switch (adev->asic_type) {
1473         case CHIP_CARRIZO:
1474         case CHIP_STONEY:
1475                 adev->mode_info.audio.num_pins = 7;
1476                 break;
1477         case CHIP_POLARIS10:
1478         case CHIP_VEGAM:
1479                 adev->mode_info.audio.num_pins = 8;
1480                 break;
1481         case CHIP_POLARIS11:
1482         case CHIP_POLARIS12:
1483                 adev->mode_info.audio.num_pins = 6;
1484                 break;
1485         default:
1486                 return -EINVAL;
1487         }
1488
1489         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1490                 adev->mode_info.audio.pin[i].channels = -1;
1491                 adev->mode_info.audio.pin[i].rate = -1;
1492                 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1493                 adev->mode_info.audio.pin[i].status_bits = 0;
1494                 adev->mode_info.audio.pin[i].category_code = 0;
1495                 adev->mode_info.audio.pin[i].connected = false;
1496                 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1497                 adev->mode_info.audio.pin[i].id = i;
1498                 /* disable audio.  it will be set up later */
1499                 /* XXX remove once we switch to ip funcs */
1500                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1501         }
1502
1503         return 0;
1504 }
1505
1506 static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1507 {
1508         int i;
1509
1510         if (!amdgpu_audio)
1511                 return;
1512
1513         if (!adev->mode_info.audio.enabled)
1514                 return;
1515
1516         for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1517                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1518
1519         adev->mode_info.audio.enabled = false;
1520 }
1521
1522 /*
1523  * update the N and CTS parameters for a given pixel clock rate
1524  */
1525 static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1526 {
1527         struct drm_device *dev = encoder->dev;
1528         struct amdgpu_device *adev = dev->dev_private;
1529         struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1530         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1531         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1532         u32 tmp;
1533
1534         tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1535         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1536         WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1537         tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1538         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1539         WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1540
1541         tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1542         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1543         WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1544         tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1545         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1546         WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1547
1548         tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1549         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1550         WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1551         tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1552         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1553         WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1554
1555 }
1556
1557 /*
1558  * build a HDMI Video Info Frame
1559  */
1560 static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1561                                                void *buffer, size_t size)
1562 {
1563         struct drm_device *dev = encoder->dev;
1564         struct amdgpu_device *adev = dev->dev_private;
1565         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1566         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1567         uint8_t *frame = buffer + 3;
1568         uint8_t *header = buffer;
1569
1570         WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1571                 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1572         WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1573                 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1574         WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1575                 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1576         WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1577                 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1578 }
1579
1580 static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1581 {
1582         struct drm_device *dev = encoder->dev;
1583         struct amdgpu_device *adev = dev->dev_private;
1584         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1585         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1586         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1587         u32 dto_phase = 24 * 1000;
1588         u32 dto_modulo = clock;
1589         u32 tmp;
1590
1591         if (!dig || !dig->afmt)
1592                 return;
1593
1594         /* XXX two dtos; generally use dto0 for hdmi */
1595         /* Express [24MHz / target pixel clock] as an exact rational
1596          * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1597          * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1598          */
1599         tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1600         tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1601                             amdgpu_crtc->crtc_id);
1602         WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1603         WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1604         WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1605 }
1606
1607 /*
1608  * update the info frames with the data from the current display mode
1609  */
1610 static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1611                                   struct drm_display_mode *mode)
1612 {
1613         struct drm_device *dev = encoder->dev;
1614         struct amdgpu_device *adev = dev->dev_private;
1615         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1616         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1617         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1618         u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1619         struct hdmi_avi_infoframe frame;
1620         ssize_t err;
1621         u32 tmp;
1622         int bpc = 8;
1623
1624         if (!dig || !dig->afmt)
1625                 return;
1626
1627         /* Silent, r600_hdmi_enable will raise WARN for us */
1628         if (!dig->afmt->enabled)
1629                 return;
1630
1631         /* hdmi deep color mode general control packets setup, if bpc > 8 */
1632         if (encoder->crtc) {
1633                 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1634                 bpc = amdgpu_crtc->bpc;
1635         }
1636
1637         /* disable audio prior to setting up hw */
1638         dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1639         dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1640
1641         dce_v11_0_audio_set_dto(encoder, mode->clock);
1642
1643         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1644         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1645         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1646
1647         WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1648
1649         tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1650         switch (bpc) {
1651         case 0:
1652         case 6:
1653         case 8:
1654         case 16:
1655         default:
1656                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1657                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1658                 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1659                           connector->name, bpc);
1660                 break;
1661         case 10:
1662                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1663                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1664                 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1665                           connector->name);
1666                 break;
1667         case 12:
1668                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1669                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1670                 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1671                           connector->name);
1672                 break;
1673         }
1674         WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1675
1676         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1677         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1678         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1679         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1680         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1681
1682         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1683         /* enable audio info frames (frames won't be set until audio is enabled) */
1684         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1685         /* required for audio info values to be updated */
1686         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1687         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1688
1689         tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1690         /* required for audio info values to be updated */
1691         tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1692         WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1693
1694         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1695         /* anything other than 0 */
1696         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1697         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1698
1699         WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1700
1701         tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1702         /* set the default audio delay */
1703         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1704         /* should be suffient for all audio modes and small enough for all hblanks */
1705         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1706         WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1707
1708         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1709         /* allow 60958 channel status fields to be updated */
1710         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1711         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1712
1713         tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1714         if (bpc > 8)
1715                 /* clear SW CTS value */
1716                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1717         else
1718                 /* select SW CTS value */
1719                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1720         /* allow hw to sent ACR packets when required */
1721         tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1722         WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1723
1724         dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1725
1726         tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1727         tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1728         WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1729
1730         tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1731         tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1732         WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1733
1734         tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1735         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1736         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1737         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1738         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1739         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1740         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1741         WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1742
1743         dce_v11_0_audio_write_speaker_allocation(encoder);
1744
1745         WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1746                (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1747
1748         dce_v11_0_afmt_audio_select_pin(encoder);
1749         dce_v11_0_audio_write_sad_regs(encoder);
1750         dce_v11_0_audio_write_latency_fields(encoder, mode);
1751
1752         err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1753         if (err < 0) {
1754                 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1755                 return;
1756         }
1757
1758         err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1759         if (err < 0) {
1760                 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1761                 return;
1762         }
1763
1764         dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1765
1766         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1767         /* enable AVI info frames */
1768         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1769         /* required for audio info values to be updated */
1770         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1771         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1772
1773         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1774         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1775         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1776
1777         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1778         /* send audio packets */
1779         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1780         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1781
1782         WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1783         WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1784         WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1785         WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1786
1787         /* enable audio after to setting up hw */
1788         dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1789 }
1790
1791 static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1792 {
1793         struct drm_device *dev = encoder->dev;
1794         struct amdgpu_device *adev = dev->dev_private;
1795         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1796         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1797
1798         if (!dig || !dig->afmt)
1799                 return;
1800
1801         /* Silent, r600_hdmi_enable will raise WARN for us */
1802         if (enable && dig->afmt->enabled)
1803                 return;
1804         if (!enable && !dig->afmt->enabled)
1805                 return;
1806
1807         if (!enable && dig->afmt->pin) {
1808                 dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1809                 dig->afmt->pin = NULL;
1810         }
1811
1812         dig->afmt->enabled = enable;
1813
1814         DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1815                   enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1816 }
1817
1818 static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1819 {
1820         int i;
1821
1822         for (i = 0; i < adev->mode_info.num_dig; i++)
1823                 adev->mode_info.afmt[i] = NULL;
1824
1825         /* DCE11 has audio blocks tied to DIG encoders */
1826         for (i = 0; i < adev->mode_info.num_dig; i++) {
1827                 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1828                 if (adev->mode_info.afmt[i]) {
1829                         adev->mode_info.afmt[i]->offset = dig_offsets[i];
1830                         adev->mode_info.afmt[i]->id = i;
1831                 } else {
1832                         int j;
1833                         for (j = 0; j < i; j++) {
1834                                 kfree(adev->mode_info.afmt[j]);
1835                                 adev->mode_info.afmt[j] = NULL;
1836                         }
1837                         return -ENOMEM;
1838                 }
1839         }
1840         return 0;
1841 }
1842
1843 static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1844 {
1845         int i;
1846
1847         for (i = 0; i < adev->mode_info.num_dig; i++) {
1848                 kfree(adev->mode_info.afmt[i]);
1849                 adev->mode_info.afmt[i] = NULL;
1850         }
1851 }
1852
1853 static const u32 vga_control_regs[6] =
1854 {
1855         mmD1VGA_CONTROL,
1856         mmD2VGA_CONTROL,
1857         mmD3VGA_CONTROL,
1858         mmD4VGA_CONTROL,
1859         mmD5VGA_CONTROL,
1860         mmD6VGA_CONTROL,
1861 };
1862
1863 static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
1864 {
1865         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1866         struct drm_device *dev = crtc->dev;
1867         struct amdgpu_device *adev = dev->dev_private;
1868         u32 vga_control;
1869
1870         vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1871         if (enable)
1872                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1873         else
1874                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1875 }
1876
1877 static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
1878 {
1879         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1880         struct drm_device *dev = crtc->dev;
1881         struct amdgpu_device *adev = dev->dev_private;
1882
1883         if (enable)
1884                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1885         else
1886                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1887 }
1888
1889 static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
1890                                      struct drm_framebuffer *fb,
1891                                      int x, int y, int atomic)
1892 {
1893         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1894         struct drm_device *dev = crtc->dev;
1895         struct amdgpu_device *adev = dev->dev_private;
1896         struct drm_framebuffer *target_fb;
1897         struct drm_gem_object *obj;
1898         struct amdgpu_bo *abo;
1899         uint64_t fb_location, tiling_flags;
1900         uint32_t fb_format, fb_pitch_pixels;
1901         u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1902         u32 pipe_config;
1903         u32 tmp, viewport_w, viewport_h;
1904         int r;
1905         bool bypass_lut = false;
1906         struct drm_format_name_buf format_name;
1907
1908         /* no fb bound */
1909         if (!atomic && !crtc->primary->fb) {
1910                 DRM_DEBUG_KMS("No FB bound\n");
1911                 return 0;
1912         }
1913
1914         if (atomic)
1915                 target_fb = fb;
1916         else
1917                 target_fb = crtc->primary->fb;
1918
1919         /* If atomic, assume fb object is pinned & idle & fenced and
1920          * just update base pointers
1921          */
1922         obj = target_fb->obj[0];
1923         abo = gem_to_amdgpu_bo(obj);
1924         r = amdgpu_bo_reserve(abo, false);
1925         if (unlikely(r != 0))
1926                 return r;
1927
1928         if (!atomic) {
1929                 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1930                 if (unlikely(r != 0)) {
1931                         amdgpu_bo_unreserve(abo);
1932                         return -EINVAL;
1933                 }
1934         }
1935         fb_location = amdgpu_bo_gpu_offset(abo);
1936
1937         amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1938         amdgpu_bo_unreserve(abo);
1939
1940         pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1941
1942         switch (target_fb->format->format) {
1943         case DRM_FORMAT_C8:
1944                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1945                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1946                 break;
1947         case DRM_FORMAT_XRGB4444:
1948         case DRM_FORMAT_ARGB4444:
1949                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1950                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1951 #ifdef __BIG_ENDIAN
1952                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1953                                         ENDIAN_8IN16);
1954 #endif
1955                 break;
1956         case DRM_FORMAT_XRGB1555:
1957         case DRM_FORMAT_ARGB1555:
1958                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1959                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1960 #ifdef __BIG_ENDIAN
1961                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1962                                         ENDIAN_8IN16);
1963 #endif
1964                 break;
1965         case DRM_FORMAT_BGRX5551:
1966         case DRM_FORMAT_BGRA5551:
1967                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1968                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1969 #ifdef __BIG_ENDIAN
1970                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1971                                         ENDIAN_8IN16);
1972 #endif
1973                 break;
1974         case DRM_FORMAT_RGB565:
1975                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1976                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1977 #ifdef __BIG_ENDIAN
1978                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1979                                         ENDIAN_8IN16);
1980 #endif
1981                 break;
1982         case DRM_FORMAT_XRGB8888:
1983         case DRM_FORMAT_ARGB8888:
1984                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1985                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1986 #ifdef __BIG_ENDIAN
1987                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1988                                         ENDIAN_8IN32);
1989 #endif
1990                 break;
1991         case DRM_FORMAT_XRGB2101010:
1992         case DRM_FORMAT_ARGB2101010:
1993                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1994                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1995 #ifdef __BIG_ENDIAN
1996                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1997                                         ENDIAN_8IN32);
1998 #endif
1999                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2000                 bypass_lut = true;
2001                 break;
2002         case DRM_FORMAT_BGRX1010102:
2003         case DRM_FORMAT_BGRA1010102:
2004                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2005                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2006 #ifdef __BIG_ENDIAN
2007                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2008                                         ENDIAN_8IN32);
2009 #endif
2010                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2011                 bypass_lut = true;
2012                 break;
2013         case DRM_FORMAT_XBGR8888:
2014         case DRM_FORMAT_ABGR8888:
2015                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2016                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2017                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
2018                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
2019 #ifdef __BIG_ENDIAN
2020                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2021                                         ENDIAN_8IN32);
2022 #endif
2023                 break;
2024         default:
2025                 DRM_ERROR("Unsupported screen format %s\n",
2026                           drm_get_format_name(target_fb->format->format, &format_name));
2027                 return -EINVAL;
2028         }
2029
2030         if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2031                 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2032
2033                 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2034                 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2035                 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2036                 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2037                 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2038
2039                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2040                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2041                                           ARRAY_2D_TILED_THIN1);
2042                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2043                                           tile_split);
2044                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2045                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2046                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2047                                           mtaspect);
2048                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2049                                           ADDR_SURF_MICRO_TILING_DISPLAY);
2050         } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2051                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2052                                           ARRAY_1D_TILED_THIN1);
2053         }
2054
2055         fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2056                                   pipe_config);
2057
2058         dce_v11_0_vga_enable(crtc, false);
2059
2060         /* Make sure surface address is updated at vertical blank rather than
2061          * horizontal blank
2062          */
2063         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2064         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2065                             GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2066         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2067
2068         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2069                upper_32_bits(fb_location));
2070         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2071                upper_32_bits(fb_location));
2072         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2073                (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2074         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2075                (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2076         WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2077         WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2078
2079         /*
2080          * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2081          * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2082          * retain the full precision throughout the pipeline.
2083          */
2084         tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2085         if (bypass_lut)
2086                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2087         else
2088                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2089         WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2090
2091         if (bypass_lut)
2092                 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2093
2094         WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2095         WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2096         WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2097         WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2098         WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2099         WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2100
2101         fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2102         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2103
2104         dce_v11_0_grph_enable(crtc, true);
2105
2106         WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2107                target_fb->height);
2108
2109         x &= ~3;
2110         y &= ~1;
2111         WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2112                (x << 16) | y);
2113         viewport_w = crtc->mode.hdisplay;
2114         viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2115         WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2116                (viewport_w << 16) | viewport_h);
2117
2118         /* set pageflip to happen anywhere in vblank interval */
2119         WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2120
2121         if (!atomic && fb && fb != crtc->primary->fb) {
2122                 abo = gem_to_amdgpu_bo(fb->obj[0]);
2123                 r = amdgpu_bo_reserve(abo, true);
2124                 if (unlikely(r != 0))
2125                         return r;
2126                 amdgpu_bo_unpin(abo);
2127                 amdgpu_bo_unreserve(abo);
2128         }
2129
2130         /* Bytes per pixel may have changed */
2131         dce_v11_0_bandwidth_update(adev);
2132
2133         return 0;
2134 }
2135
2136 static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2137                                      struct drm_display_mode *mode)
2138 {
2139         struct drm_device *dev = crtc->dev;
2140         struct amdgpu_device *adev = dev->dev_private;
2141         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2142         u32 tmp;
2143
2144         tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2145         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2146                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2147         else
2148                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2149         WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2150 }
2151
2152 static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2153 {
2154         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2155         struct drm_device *dev = crtc->dev;
2156         struct amdgpu_device *adev = dev->dev_private;
2157         u16 *r, *g, *b;
2158         int i;
2159         u32 tmp;
2160
2161         DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2162
2163         tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2164         tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2165         WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2166
2167         tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2168         tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2169         WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2170
2171         tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2172         tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2173         WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2174
2175         WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2176
2177         WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2178         WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2179         WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2180
2181         WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2182         WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2183         WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2184
2185         WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2186         WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2187
2188         WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2189         r = crtc->gamma_store;
2190         g = r + crtc->gamma_size;
2191         b = g + crtc->gamma_size;
2192         for (i = 0; i < 256; i++) {
2193                 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2194                        ((*r++ & 0xffc0) << 14) |
2195                        ((*g++ & 0xffc0) << 4) |
2196                        (*b++ >> 6));
2197         }
2198
2199         tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2200         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2201         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2202         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2203         WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2204
2205         tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2206         tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2207         WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2208
2209         tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2210         tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2211         WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2212
2213         tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2214         tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2215         WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2216
2217         /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2218         WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2219         /* XXX this only needs to be programmed once per crtc at startup,
2220          * not sure where the best place for it is
2221          */
2222         tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2223         tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2224         WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2225 }
2226
2227 static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2228 {
2229         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2230         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2231
2232         switch (amdgpu_encoder->encoder_id) {
2233         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2234                 if (dig->linkb)
2235                         return 1;
2236                 else
2237                         return 0;
2238                 break;
2239         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2240                 if (dig->linkb)
2241                         return 3;
2242                 else
2243                         return 2;
2244                 break;
2245         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2246                 if (dig->linkb)
2247                         return 5;
2248                 else
2249                         return 4;
2250                 break;
2251         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2252                 return 6;
2253                 break;
2254         default:
2255                 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2256                 return 0;
2257         }
2258 }
2259
2260 /**
2261  * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2262  *
2263  * @crtc: drm crtc
2264  *
2265  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2266  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2267  * monitors a dedicated PPLL must be used.  If a particular board has
2268  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2269  * as there is no need to program the PLL itself.  If we are not able to
2270  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2271  * avoid messing up an existing monitor.
2272  *
2273  * Asic specific PLL information
2274  *
2275  * DCE 10.x
2276  * Tonga
2277  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2278  * CI
2279  * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2280  *
2281  */
2282 static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2283 {
2284         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2285         struct drm_device *dev = crtc->dev;
2286         struct amdgpu_device *adev = dev->dev_private;
2287         u32 pll_in_use;
2288         int pll;
2289
2290         if ((adev->asic_type == CHIP_POLARIS10) ||
2291             (adev->asic_type == CHIP_POLARIS11) ||
2292             (adev->asic_type == CHIP_POLARIS12) ||
2293             (adev->asic_type == CHIP_VEGAM)) {
2294                 struct amdgpu_encoder *amdgpu_encoder =
2295                         to_amdgpu_encoder(amdgpu_crtc->encoder);
2296                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2297
2298                 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2299                         return ATOM_DP_DTO;
2300
2301                 switch (amdgpu_encoder->encoder_id) {
2302                 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2303                         if (dig->linkb)
2304                                 return ATOM_COMBOPHY_PLL1;
2305                         else
2306                                 return ATOM_COMBOPHY_PLL0;
2307                         break;
2308                 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2309                         if (dig->linkb)
2310                                 return ATOM_COMBOPHY_PLL3;
2311                         else
2312                                 return ATOM_COMBOPHY_PLL2;
2313                         break;
2314                 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2315                         if (dig->linkb)
2316                                 return ATOM_COMBOPHY_PLL5;
2317                         else
2318                                 return ATOM_COMBOPHY_PLL4;
2319                         break;
2320                 default:
2321                         DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2322                         return ATOM_PPLL_INVALID;
2323                 }
2324         }
2325
2326         if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2327                 if (adev->clock.dp_extclk)
2328                         /* skip PPLL programming if using ext clock */
2329                         return ATOM_PPLL_INVALID;
2330                 else {
2331                         /* use the same PPLL for all DP monitors */
2332                         pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2333                         if (pll != ATOM_PPLL_INVALID)
2334                                 return pll;
2335                 }
2336         } else {
2337                 /* use the same PPLL for all monitors with the same clock */
2338                 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2339                 if (pll != ATOM_PPLL_INVALID)
2340                         return pll;
2341         }
2342
2343         /* XXX need to determine what plls are available on each DCE11 part */
2344         pll_in_use = amdgpu_pll_get_use_mask(crtc);
2345         if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) {
2346                 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2347                         return ATOM_PPLL1;
2348                 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2349                         return ATOM_PPLL0;
2350                 DRM_ERROR("unable to allocate a PPLL\n");
2351                 return ATOM_PPLL_INVALID;
2352         } else {
2353                 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2354                         return ATOM_PPLL2;
2355                 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2356                         return ATOM_PPLL1;
2357                 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2358                         return ATOM_PPLL0;
2359                 DRM_ERROR("unable to allocate a PPLL\n");
2360                 return ATOM_PPLL_INVALID;
2361         }
2362         return ATOM_PPLL_INVALID;
2363 }
2364
2365 static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2366 {
2367         struct amdgpu_device *adev = crtc->dev->dev_private;
2368         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2369         uint32_t cur_lock;
2370
2371         cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2372         if (lock)
2373                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2374         else
2375                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2376         WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2377 }
2378
2379 static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2380 {
2381         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2382         struct amdgpu_device *adev = crtc->dev->dev_private;
2383         u32 tmp;
2384
2385         tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2386         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2387         WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2388 }
2389
2390 static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2391 {
2392         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2393         struct amdgpu_device *adev = crtc->dev->dev_private;
2394         u32 tmp;
2395
2396         WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2397                upper_32_bits(amdgpu_crtc->cursor_addr));
2398         WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2399                lower_32_bits(amdgpu_crtc->cursor_addr));
2400
2401         tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2402         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2403         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2404         WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2405 }
2406
2407 static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2408                                         int x, int y)
2409 {
2410         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2411         struct amdgpu_device *adev = crtc->dev->dev_private;
2412         int xorigin = 0, yorigin = 0;
2413
2414         amdgpu_crtc->cursor_x = x;
2415         amdgpu_crtc->cursor_y = y;
2416
2417         /* avivo cursor are offset into the total surface */
2418         x += crtc->x;
2419         y += crtc->y;
2420         DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2421
2422         if (x < 0) {
2423                 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2424                 x = 0;
2425         }
2426         if (y < 0) {
2427                 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2428                 y = 0;
2429         }
2430
2431         WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2432         WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2433         WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2434                ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2435
2436         return 0;
2437 }
2438
2439 static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2440                                       int x, int y)
2441 {
2442         int ret;
2443
2444         dce_v11_0_lock_cursor(crtc, true);
2445         ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2446         dce_v11_0_lock_cursor(crtc, false);
2447
2448         return ret;
2449 }
2450
2451 static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2452                                       struct drm_file *file_priv,
2453                                       uint32_t handle,
2454                                       uint32_t width,
2455                                       uint32_t height,
2456                                       int32_t hot_x,
2457                                       int32_t hot_y)
2458 {
2459         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2460         struct drm_gem_object *obj;
2461         struct amdgpu_bo *aobj;
2462         int ret;
2463
2464         if (!handle) {
2465                 /* turn off cursor */
2466                 dce_v11_0_hide_cursor(crtc);
2467                 obj = NULL;
2468                 goto unpin;
2469         }
2470
2471         if ((width > amdgpu_crtc->max_cursor_width) ||
2472             (height > amdgpu_crtc->max_cursor_height)) {
2473                 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2474                 return -EINVAL;
2475         }
2476
2477         obj = drm_gem_object_lookup(file_priv, handle);
2478         if (!obj) {
2479                 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2480                 return -ENOENT;
2481         }
2482
2483         aobj = gem_to_amdgpu_bo(obj);
2484         ret = amdgpu_bo_reserve(aobj, false);
2485         if (ret != 0) {
2486                 drm_gem_object_put_unlocked(obj);
2487                 return ret;
2488         }
2489
2490         ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2491         amdgpu_bo_unreserve(aobj);
2492         if (ret) {
2493                 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2494                 drm_gem_object_put_unlocked(obj);
2495                 return ret;
2496         }
2497         amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2498
2499         dce_v11_0_lock_cursor(crtc, true);
2500
2501         if (width != amdgpu_crtc->cursor_width ||
2502             height != amdgpu_crtc->cursor_height ||
2503             hot_x != amdgpu_crtc->cursor_hot_x ||
2504             hot_y != amdgpu_crtc->cursor_hot_y) {
2505                 int x, y;
2506
2507                 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2508                 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2509
2510                 dce_v11_0_cursor_move_locked(crtc, x, y);
2511
2512                 amdgpu_crtc->cursor_width = width;
2513                 amdgpu_crtc->cursor_height = height;
2514                 amdgpu_crtc->cursor_hot_x = hot_x;
2515                 amdgpu_crtc->cursor_hot_y = hot_y;
2516         }
2517
2518         dce_v11_0_show_cursor(crtc);
2519         dce_v11_0_lock_cursor(crtc, false);
2520
2521 unpin:
2522         if (amdgpu_crtc->cursor_bo) {
2523                 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2524                 ret = amdgpu_bo_reserve(aobj, true);
2525                 if (likely(ret == 0)) {
2526                         amdgpu_bo_unpin(aobj);
2527                         amdgpu_bo_unreserve(aobj);
2528                 }
2529                 drm_gem_object_put_unlocked(amdgpu_crtc->cursor_bo);
2530         }
2531
2532         amdgpu_crtc->cursor_bo = obj;
2533         return 0;
2534 }
2535
2536 static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2537 {
2538         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2539
2540         if (amdgpu_crtc->cursor_bo) {
2541                 dce_v11_0_lock_cursor(crtc, true);
2542
2543                 dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2544                                              amdgpu_crtc->cursor_y);
2545
2546                 dce_v11_0_show_cursor(crtc);
2547
2548                 dce_v11_0_lock_cursor(crtc, false);
2549         }
2550 }
2551
2552 static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2553                                     u16 *blue, uint32_t size,
2554                                     struct drm_modeset_acquire_ctx *ctx)
2555 {
2556         dce_v11_0_crtc_load_lut(crtc);
2557
2558         return 0;
2559 }
2560
2561 static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2562 {
2563         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2564
2565         drm_crtc_cleanup(crtc);
2566         kfree(amdgpu_crtc);
2567 }
2568
2569 static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2570         .cursor_set2 = dce_v11_0_crtc_cursor_set2,
2571         .cursor_move = dce_v11_0_crtc_cursor_move,
2572         .gamma_set = dce_v11_0_crtc_gamma_set,
2573         .set_config = amdgpu_display_crtc_set_config,
2574         .destroy = dce_v11_0_crtc_destroy,
2575         .page_flip_target = amdgpu_display_crtc_page_flip_target,
2576         .get_vblank_counter = amdgpu_get_vblank_counter_kms,
2577         .enable_vblank = amdgpu_enable_vblank_kms,
2578         .disable_vblank = amdgpu_disable_vblank_kms,
2579         .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2580 };
2581
2582 static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2583 {
2584         struct drm_device *dev = crtc->dev;
2585         struct amdgpu_device *adev = dev->dev_private;
2586         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2587         unsigned type;
2588
2589         switch (mode) {
2590         case DRM_MODE_DPMS_ON:
2591                 amdgpu_crtc->enabled = true;
2592                 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2593                 dce_v11_0_vga_enable(crtc, true);
2594                 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2595                 dce_v11_0_vga_enable(crtc, false);
2596                 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2597                 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2598                                                 amdgpu_crtc->crtc_id);
2599                 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2600                 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2601                 drm_crtc_vblank_on(crtc);
2602                 dce_v11_0_crtc_load_lut(crtc);
2603                 break;
2604         case DRM_MODE_DPMS_STANDBY:
2605         case DRM_MODE_DPMS_SUSPEND:
2606         case DRM_MODE_DPMS_OFF:
2607                 drm_crtc_vblank_off(crtc);
2608                 if (amdgpu_crtc->enabled) {
2609                         dce_v11_0_vga_enable(crtc, true);
2610                         amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2611                         dce_v11_0_vga_enable(crtc, false);
2612                 }
2613                 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2614                 amdgpu_crtc->enabled = false;
2615                 break;
2616         }
2617         /* adjust pm to dpms */
2618         amdgpu_pm_compute_clocks(adev);
2619 }
2620
2621 static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2622 {
2623         /* disable crtc pair power gating before programming */
2624         amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2625         amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2626         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2627 }
2628
2629 static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2630 {
2631         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2632         amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2633 }
2634
2635 static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2636 {
2637         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2638         struct drm_device *dev = crtc->dev;
2639         struct amdgpu_device *adev = dev->dev_private;
2640         struct amdgpu_atom_ss ss;
2641         int i;
2642
2643         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2644         if (crtc->primary->fb) {
2645                 int r;
2646                 struct amdgpu_bo *abo;
2647
2648                 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2649                 r = amdgpu_bo_reserve(abo, true);
2650                 if (unlikely(r))
2651                         DRM_ERROR("failed to reserve abo before unpin\n");
2652                 else {
2653                         amdgpu_bo_unpin(abo);
2654                         amdgpu_bo_unreserve(abo);
2655                 }
2656         }
2657         /* disable the GRPH */
2658         dce_v11_0_grph_enable(crtc, false);
2659
2660         amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2661
2662         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2663                 if (adev->mode_info.crtcs[i] &&
2664                     adev->mode_info.crtcs[i]->enabled &&
2665                     i != amdgpu_crtc->crtc_id &&
2666                     amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2667                         /* one other crtc is using this pll don't turn
2668                          * off the pll
2669                          */
2670                         goto done;
2671                 }
2672         }
2673
2674         switch (amdgpu_crtc->pll_id) {
2675         case ATOM_PPLL0:
2676         case ATOM_PPLL1:
2677         case ATOM_PPLL2:
2678                 /* disable the ppll */
2679                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2680                                                  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2681                 break;
2682         case ATOM_COMBOPHY_PLL0:
2683         case ATOM_COMBOPHY_PLL1:
2684         case ATOM_COMBOPHY_PLL2:
2685         case ATOM_COMBOPHY_PLL3:
2686         case ATOM_COMBOPHY_PLL4:
2687         case ATOM_COMBOPHY_PLL5:
2688                 /* disable the ppll */
2689                 amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id,
2690                                                  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2691                 break;
2692         default:
2693                 break;
2694         }
2695 done:
2696         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2697         amdgpu_crtc->adjusted_clock = 0;
2698         amdgpu_crtc->encoder = NULL;
2699         amdgpu_crtc->connector = NULL;
2700 }
2701
2702 static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2703                                   struct drm_display_mode *mode,
2704                                   struct drm_display_mode *adjusted_mode,
2705                                   int x, int y, struct drm_framebuffer *old_fb)
2706 {
2707         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2708         struct drm_device *dev = crtc->dev;
2709         struct amdgpu_device *adev = dev->dev_private;
2710
2711         if (!amdgpu_crtc->adjusted_clock)
2712                 return -EINVAL;
2713
2714         if ((adev->asic_type == CHIP_POLARIS10) ||
2715             (adev->asic_type == CHIP_POLARIS11) ||
2716             (adev->asic_type == CHIP_POLARIS12) ||
2717             (adev->asic_type == CHIP_VEGAM)) {
2718                 struct amdgpu_encoder *amdgpu_encoder =
2719                         to_amdgpu_encoder(amdgpu_crtc->encoder);
2720                 int encoder_mode =
2721                         amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder);
2722
2723                 /* SetPixelClock calculates the plls and ss values now */
2724                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id,
2725                                                  amdgpu_crtc->pll_id,
2726                                                  encoder_mode, amdgpu_encoder->encoder_id,
2727                                                  adjusted_mode->clock, 0, 0, 0, 0,
2728                                                  amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss);
2729         } else {
2730                 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2731         }
2732         amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2733         dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2734         amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2735         amdgpu_atombios_crtc_scaler_setup(crtc);
2736         dce_v11_0_cursor_reset(crtc);
2737         /* update the hw version fpr dpm */
2738         amdgpu_crtc->hw_mode = *adjusted_mode;
2739
2740         return 0;
2741 }
2742
2743 static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2744                                      const struct drm_display_mode *mode,
2745                                      struct drm_display_mode *adjusted_mode)
2746 {
2747         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2748         struct drm_device *dev = crtc->dev;
2749         struct drm_encoder *encoder;
2750
2751         /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2752         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2753                 if (encoder->crtc == crtc) {
2754                         amdgpu_crtc->encoder = encoder;
2755                         amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2756                         break;
2757                 }
2758         }
2759         if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2760                 amdgpu_crtc->encoder = NULL;
2761                 amdgpu_crtc->connector = NULL;
2762                 return false;
2763         }
2764         if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2765                 return false;
2766         if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2767                 return false;
2768         /* pick pll */
2769         amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2770         /* if we can't get a PPLL for a non-DP encoder, fail */
2771         if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2772             !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2773                 return false;
2774
2775         return true;
2776 }
2777
2778 static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2779                                   struct drm_framebuffer *old_fb)
2780 {
2781         return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2782 }
2783
2784 static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2785                                          struct drm_framebuffer *fb,
2786                                          int x, int y, enum mode_set_atomic state)
2787 {
2788        return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2789 }
2790
2791 static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2792         .dpms = dce_v11_0_crtc_dpms,
2793         .mode_fixup = dce_v11_0_crtc_mode_fixup,
2794         .mode_set = dce_v11_0_crtc_mode_set,
2795         .mode_set_base = dce_v11_0_crtc_set_base,
2796         .mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2797         .prepare = dce_v11_0_crtc_prepare,
2798         .commit = dce_v11_0_crtc_commit,
2799         .disable = dce_v11_0_crtc_disable,
2800         .get_scanout_position = amdgpu_crtc_get_scanout_position,
2801 };
2802
2803 static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2804 {
2805         struct amdgpu_crtc *amdgpu_crtc;
2806
2807         amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2808                               (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2809         if (amdgpu_crtc == NULL)
2810                 return -ENOMEM;
2811
2812         drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2813
2814         drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2815         amdgpu_crtc->crtc_id = index;
2816         adev->mode_info.crtcs[index] = amdgpu_crtc;
2817
2818         amdgpu_crtc->max_cursor_width = 128;
2819         amdgpu_crtc->max_cursor_height = 128;
2820         adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2821         adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2822
2823         switch (amdgpu_crtc->crtc_id) {
2824         case 0:
2825         default:
2826                 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2827                 break;
2828         case 1:
2829                 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2830                 break;
2831         case 2:
2832                 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2833                 break;
2834         case 3:
2835                 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2836                 break;
2837         case 4:
2838                 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2839                 break;
2840         case 5:
2841                 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2842                 break;
2843         }
2844
2845         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2846         amdgpu_crtc->adjusted_clock = 0;
2847         amdgpu_crtc->encoder = NULL;
2848         amdgpu_crtc->connector = NULL;
2849         drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2850
2851         return 0;
2852 }
2853
2854 static int dce_v11_0_early_init(void *handle)
2855 {
2856         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2857
2858         adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2859         adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2860
2861         dce_v11_0_set_display_funcs(adev);
2862
2863         adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev);
2864
2865         switch (adev->asic_type) {
2866         case CHIP_CARRIZO:
2867                 adev->mode_info.num_hpd = 6;
2868                 adev->mode_info.num_dig = 9;
2869                 break;
2870         case CHIP_STONEY:
2871                 adev->mode_info.num_hpd = 6;
2872                 adev->mode_info.num_dig = 9;
2873                 break;
2874         case CHIP_POLARIS10:
2875         case CHIP_VEGAM:
2876                 adev->mode_info.num_hpd = 6;
2877                 adev->mode_info.num_dig = 6;
2878                 break;
2879         case CHIP_POLARIS11:
2880         case CHIP_POLARIS12:
2881                 adev->mode_info.num_hpd = 5;
2882                 adev->mode_info.num_dig = 5;
2883                 break;
2884         default:
2885                 /* FIXME: not supported yet */
2886                 return -EINVAL;
2887         }
2888
2889         dce_v11_0_set_irq_funcs(adev);
2890
2891         return 0;
2892 }
2893
2894 static int dce_v11_0_sw_init(void *handle)
2895 {
2896         int r, i;
2897         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2898
2899         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2900                 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2901                 if (r)
2902                         return r;
2903         }
2904
2905         for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2906                 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2907                 if (r)
2908                         return r;
2909         }
2910
2911         /* HPD hotplug */
2912         r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2913         if (r)
2914                 return r;
2915
2916         adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2917
2918         adev->ddev->mode_config.async_page_flip = true;
2919
2920         adev->ddev->mode_config.max_width = 16384;
2921         adev->ddev->mode_config.max_height = 16384;
2922
2923         adev->ddev->mode_config.preferred_depth = 24;
2924         adev->ddev->mode_config.prefer_shadow = 1;
2925
2926         adev->ddev->mode_config.fb_base = adev->gmc.aper_base;
2927
2928         r = amdgpu_display_modeset_create_props(adev);
2929         if (r)
2930                 return r;
2931
2932         adev->ddev->mode_config.max_width = 16384;
2933         adev->ddev->mode_config.max_height = 16384;
2934
2935
2936         /* allocate crtcs */
2937         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2938                 r = dce_v11_0_crtc_init(adev, i);
2939                 if (r)
2940                         return r;
2941         }
2942
2943         if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2944                 amdgpu_display_print_display_setup(adev->ddev);
2945         else
2946                 return -EINVAL;
2947
2948         /* setup afmt */
2949         r = dce_v11_0_afmt_init(adev);
2950         if (r)
2951                 return r;
2952
2953         r = dce_v11_0_audio_init(adev);
2954         if (r)
2955                 return r;
2956
2957         drm_kms_helper_poll_init(adev->ddev);
2958
2959         adev->mode_info.mode_config_initialized = true;
2960         return 0;
2961 }
2962
2963 static int dce_v11_0_sw_fini(void *handle)
2964 {
2965         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2966
2967         kfree(adev->mode_info.bios_hardcoded_edid);
2968
2969         drm_kms_helper_poll_fini(adev->ddev);
2970
2971         dce_v11_0_audio_fini(adev);
2972
2973         dce_v11_0_afmt_fini(adev);
2974
2975         drm_mode_config_cleanup(adev->ddev);
2976         adev->mode_info.mode_config_initialized = false;
2977
2978         return 0;
2979 }
2980
2981 static int dce_v11_0_hw_init(void *handle)
2982 {
2983         int i;
2984         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2985
2986         dce_v11_0_init_golden_registers(adev);
2987
2988         /* disable vga render */
2989         dce_v11_0_set_vga_render_state(adev, false);
2990         /* init dig PHYs, disp eng pll */
2991         amdgpu_atombios_crtc_powergate_init(adev);
2992         amdgpu_atombios_encoder_init_dig(adev);
2993         if ((adev->asic_type == CHIP_POLARIS10) ||
2994             (adev->asic_type == CHIP_POLARIS11) ||
2995             (adev->asic_type == CHIP_POLARIS12) ||
2996             (adev->asic_type == CHIP_VEGAM)) {
2997                 amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
2998                                                    DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
2999                 amdgpu_atombios_crtc_set_dce_clock(adev, 0,
3000                                                    DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
3001         } else {
3002                 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3003         }
3004
3005         /* initialize hpd */
3006         dce_v11_0_hpd_init(adev);
3007
3008         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3009                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3010         }
3011
3012         dce_v11_0_pageflip_interrupt_init(adev);
3013
3014         return 0;
3015 }
3016
3017 static int dce_v11_0_hw_fini(void *handle)
3018 {
3019         int i;
3020         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3021
3022         dce_v11_0_hpd_fini(adev);
3023
3024         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3025                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3026         }
3027
3028         dce_v11_0_pageflip_interrupt_fini(adev);
3029
3030         return 0;
3031 }
3032
3033 static int dce_v11_0_suspend(void *handle)
3034 {
3035         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3036
3037         adev->mode_info.bl_level =
3038                 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
3039
3040         return dce_v11_0_hw_fini(handle);
3041 }
3042
3043 static int dce_v11_0_resume(void *handle)
3044 {
3045         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3046         int ret;
3047
3048         amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
3049                                                            adev->mode_info.bl_level);
3050
3051         ret = dce_v11_0_hw_init(handle);
3052
3053         /* turn on the BL */
3054         if (adev->mode_info.bl_encoder) {
3055                 u8 bl_level = amdgpu_display_backlight_get_level(adev,
3056                                                                   adev->mode_info.bl_encoder);
3057                 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3058                                                     bl_level);
3059         }
3060
3061         return ret;
3062 }
3063
3064 static bool dce_v11_0_is_idle(void *handle)
3065 {
3066         return true;
3067 }
3068
3069 static int dce_v11_0_wait_for_idle(void *handle)
3070 {
3071         return 0;
3072 }
3073
3074 static int dce_v11_0_soft_reset(void *handle)
3075 {
3076         u32 srbm_soft_reset = 0, tmp;
3077         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3078
3079         if (dce_v11_0_is_display_hung(adev))
3080                 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3081
3082         if (srbm_soft_reset) {
3083                 tmp = RREG32(mmSRBM_SOFT_RESET);
3084                 tmp |= srbm_soft_reset;
3085                 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3086                 WREG32(mmSRBM_SOFT_RESET, tmp);
3087                 tmp = RREG32(mmSRBM_SOFT_RESET);
3088
3089                 udelay(50);
3090
3091                 tmp &= ~srbm_soft_reset;
3092                 WREG32(mmSRBM_SOFT_RESET, tmp);
3093                 tmp = RREG32(mmSRBM_SOFT_RESET);
3094
3095                 /* Wait a little for things to settle down */
3096                 udelay(50);
3097         }
3098         return 0;
3099 }
3100
3101 static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3102                                                      int crtc,
3103                                                      enum amdgpu_interrupt_state state)
3104 {
3105         u32 lb_interrupt_mask;
3106
3107         if (crtc >= adev->mode_info.num_crtc) {
3108                 DRM_DEBUG("invalid crtc %d\n", crtc);
3109                 return;
3110         }
3111
3112         switch (state) {
3113         case AMDGPU_IRQ_STATE_DISABLE:
3114                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3115                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3116                                                   VBLANK_INTERRUPT_MASK, 0);
3117                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3118                 break;
3119         case AMDGPU_IRQ_STATE_ENABLE:
3120                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3121                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3122                                                   VBLANK_INTERRUPT_MASK, 1);
3123                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3124                 break;
3125         default:
3126                 break;
3127         }
3128 }
3129
3130 static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3131                                                     int crtc,
3132                                                     enum amdgpu_interrupt_state state)
3133 {
3134         u32 lb_interrupt_mask;
3135
3136         if (crtc >= adev->mode_info.num_crtc) {
3137                 DRM_DEBUG("invalid crtc %d\n", crtc);
3138                 return;
3139         }
3140
3141         switch (state) {
3142         case AMDGPU_IRQ_STATE_DISABLE:
3143                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3144                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3145                                                   VLINE_INTERRUPT_MASK, 0);
3146                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3147                 break;
3148         case AMDGPU_IRQ_STATE_ENABLE:
3149                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3150                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3151                                                   VLINE_INTERRUPT_MASK, 1);
3152                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3153                 break;
3154         default:
3155                 break;
3156         }
3157 }
3158
3159 static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3160                                         struct amdgpu_irq_src *source,
3161                                         unsigned hpd,
3162                                         enum amdgpu_interrupt_state state)
3163 {
3164         u32 tmp;
3165
3166         if (hpd >= adev->mode_info.num_hpd) {
3167                 DRM_DEBUG("invalid hdp %d\n", hpd);
3168                 return 0;
3169         }
3170
3171         switch (state) {
3172         case AMDGPU_IRQ_STATE_DISABLE:
3173                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3174                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3175                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3176                 break;
3177         case AMDGPU_IRQ_STATE_ENABLE:
3178                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3179                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3180                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3181                 break;
3182         default:
3183                 break;
3184         }
3185
3186         return 0;
3187 }
3188
3189 static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3190                                         struct amdgpu_irq_src *source,
3191                                         unsigned type,
3192                                         enum amdgpu_interrupt_state state)
3193 {
3194         switch (type) {
3195         case AMDGPU_CRTC_IRQ_VBLANK1:
3196                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3197                 break;
3198         case AMDGPU_CRTC_IRQ_VBLANK2:
3199                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3200                 break;
3201         case AMDGPU_CRTC_IRQ_VBLANK3:
3202                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3203                 break;
3204         case AMDGPU_CRTC_IRQ_VBLANK4:
3205                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3206                 break;
3207         case AMDGPU_CRTC_IRQ_VBLANK5:
3208                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3209                 break;
3210         case AMDGPU_CRTC_IRQ_VBLANK6:
3211                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3212                 break;
3213         case AMDGPU_CRTC_IRQ_VLINE1:
3214                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3215                 break;
3216         case AMDGPU_CRTC_IRQ_VLINE2:
3217                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3218                 break;
3219         case AMDGPU_CRTC_IRQ_VLINE3:
3220                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3221                 break;
3222         case AMDGPU_CRTC_IRQ_VLINE4:
3223                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3224                 break;
3225         case AMDGPU_CRTC_IRQ_VLINE5:
3226                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3227                 break;
3228          case AMDGPU_CRTC_IRQ_VLINE6:
3229                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3230                 break;
3231         default:
3232                 break;
3233         }
3234         return 0;
3235 }
3236
3237 static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3238                                             struct amdgpu_irq_src *src,
3239                                             unsigned type,
3240                                             enum amdgpu_interrupt_state state)
3241 {
3242         u32 reg;
3243
3244         if (type >= adev->mode_info.num_crtc) {
3245                 DRM_ERROR("invalid pageflip crtc %d\n", type);
3246                 return -EINVAL;
3247         }
3248
3249         reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3250         if (state == AMDGPU_IRQ_STATE_DISABLE)
3251                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3252                        reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3253         else
3254                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3255                        reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3256
3257         return 0;
3258 }
3259
3260 static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3261                                   struct amdgpu_irq_src *source,
3262                                   struct amdgpu_iv_entry *entry)
3263 {
3264         unsigned long flags;
3265         unsigned crtc_id;
3266         struct amdgpu_crtc *amdgpu_crtc;
3267         struct amdgpu_flip_work *works;
3268
3269         crtc_id = (entry->src_id - 8) >> 1;
3270         amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3271
3272         if (crtc_id >= adev->mode_info.num_crtc) {
3273                 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3274                 return -EINVAL;
3275         }
3276
3277         if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3278             GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3279                 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3280                        GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3281
3282         /* IRQ could occur when in initial stage */
3283         if(amdgpu_crtc == NULL)
3284                 return 0;
3285
3286         spin_lock_irqsave(&adev->ddev->event_lock, flags);
3287         works = amdgpu_crtc->pflip_works;
3288         if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3289                 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3290                                                  "AMDGPU_FLIP_SUBMITTED(%d)\n",
3291                                                  amdgpu_crtc->pflip_status,
3292                                                  AMDGPU_FLIP_SUBMITTED);
3293                 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3294                 return 0;
3295         }
3296
3297         /* page flip completed. clean up */
3298         amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3299         amdgpu_crtc->pflip_works = NULL;
3300
3301         /* wakeup usersapce */
3302         if(works->event)
3303                 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3304
3305         spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3306
3307         drm_crtc_vblank_put(&amdgpu_crtc->base);
3308         schedule_work(&works->unpin_work);
3309
3310         return 0;
3311 }
3312
3313 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3314                                   int hpd)
3315 {
3316         u32 tmp;
3317
3318         if (hpd >= adev->mode_info.num_hpd) {
3319                 DRM_DEBUG("invalid hdp %d\n", hpd);
3320                 return;
3321         }
3322
3323         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3324         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3325         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3326 }
3327
3328 static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3329                                           int crtc)
3330 {
3331         u32 tmp;
3332
3333         if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3334                 DRM_DEBUG("invalid crtc %d\n", crtc);
3335                 return;
3336         }
3337
3338         tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3339         tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3340         WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3341 }
3342
3343 static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3344                                          int crtc)
3345 {
3346         u32 tmp;
3347
3348         if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3349                 DRM_DEBUG("invalid crtc %d\n", crtc);
3350                 return;
3351         }
3352
3353         tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3354         tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3355         WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3356 }
3357
3358 static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3359                                 struct amdgpu_irq_src *source,
3360                                 struct amdgpu_iv_entry *entry)
3361 {
3362         unsigned crtc = entry->src_id - 1;
3363         uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3364         unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3365                                                                     crtc);
3366
3367         switch (entry->src_data[0]) {
3368         case 0: /* vblank */
3369                 if (disp_int & interrupt_status_offsets[crtc].vblank)
3370                         dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3371                 else
3372                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3373
3374                 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3375                         drm_handle_vblank(adev->ddev, crtc);
3376                 }
3377                 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3378
3379                 break;
3380         case 1: /* vline */
3381                 if (disp_int & interrupt_status_offsets[crtc].vline)
3382                         dce_v11_0_crtc_vline_int_ack(adev, crtc);
3383                 else
3384                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3385
3386                 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3387
3388                 break;
3389         default:
3390                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3391                 break;
3392         }
3393
3394         return 0;
3395 }
3396
3397 static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3398                              struct amdgpu_irq_src *source,
3399                              struct amdgpu_iv_entry *entry)
3400 {
3401         uint32_t disp_int, mask;
3402         unsigned hpd;
3403
3404         if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3405                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3406                 return 0;
3407         }
3408
3409         hpd = entry->src_data[0];
3410         disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3411         mask = interrupt_status_offsets[hpd].hpd;
3412
3413         if (disp_int & mask) {
3414                 dce_v11_0_hpd_int_ack(adev, hpd);
3415                 schedule_work(&adev->hotplug_work);
3416                 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3417         }
3418
3419         return 0;
3420 }
3421
3422 static int dce_v11_0_set_clockgating_state(void *handle,
3423                                           enum amd_clockgating_state state)
3424 {
3425         return 0;
3426 }
3427
3428 static int dce_v11_0_set_powergating_state(void *handle,
3429                                           enum amd_powergating_state state)
3430 {
3431         return 0;
3432 }
3433
3434 static const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3435         .name = "dce_v11_0",
3436         .early_init = dce_v11_0_early_init,
3437         .late_init = NULL,
3438         .sw_init = dce_v11_0_sw_init,
3439         .sw_fini = dce_v11_0_sw_fini,
3440         .hw_init = dce_v11_0_hw_init,
3441         .hw_fini = dce_v11_0_hw_fini,
3442         .suspend = dce_v11_0_suspend,
3443         .resume = dce_v11_0_resume,
3444         .is_idle = dce_v11_0_is_idle,
3445         .wait_for_idle = dce_v11_0_wait_for_idle,
3446         .soft_reset = dce_v11_0_soft_reset,
3447         .set_clockgating_state = dce_v11_0_set_clockgating_state,
3448         .set_powergating_state = dce_v11_0_set_powergating_state,
3449 };
3450
3451 static void
3452 dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3453                           struct drm_display_mode *mode,
3454                           struct drm_display_mode *adjusted_mode)
3455 {
3456         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3457
3458         amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3459
3460         /* need to call this here rather than in prepare() since we need some crtc info */
3461         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3462
3463         /* set scaler clears this on some chips */
3464         dce_v11_0_set_interleave(encoder->crtc, mode);
3465
3466         if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3467                 dce_v11_0_afmt_enable(encoder, true);
3468                 dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3469         }
3470 }
3471
3472 static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3473 {
3474         struct amdgpu_device *adev = encoder->dev->dev_private;
3475         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3476         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3477
3478         if ((amdgpu_encoder->active_device &
3479              (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3480             (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3481              ENCODER_OBJECT_ID_NONE)) {
3482                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3483                 if (dig) {
3484                         dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3485                         if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3486                                 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3487                 }
3488         }
3489
3490         amdgpu_atombios_scratch_regs_lock(adev, true);
3491
3492         if (connector) {
3493                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3494
3495                 /* select the clock/data port if it uses a router */
3496                 if (amdgpu_connector->router.cd_valid)
3497                         amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3498
3499                 /* turn eDP panel on for mode set */
3500                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3501                         amdgpu_atombios_encoder_set_edp_panel_power(connector,
3502                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
3503         }
3504
3505         /* this is needed for the pll/ss setup to work correctly in some cases */
3506         amdgpu_atombios_encoder_set_crtc_source(encoder);
3507         /* set up the FMT blocks */
3508         dce_v11_0_program_fmt(encoder);
3509 }
3510
3511 static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3512 {
3513         struct drm_device *dev = encoder->dev;
3514         struct amdgpu_device *adev = dev->dev_private;
3515
3516         /* need to call this here as we need the crtc set up */
3517         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3518         amdgpu_atombios_scratch_regs_lock(adev, false);
3519 }
3520
3521 static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3522 {
3523         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3524         struct amdgpu_encoder_atom_dig *dig;
3525
3526         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3527
3528         if (amdgpu_atombios_encoder_is_digital(encoder)) {
3529                 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3530                         dce_v11_0_afmt_enable(encoder, false);
3531                 dig = amdgpu_encoder->enc_priv;
3532                 dig->dig_encoder = -1;
3533         }
3534         amdgpu_encoder->active_device = 0;
3535 }
3536
3537 /* these are handled by the primary encoders */
3538 static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3539 {
3540
3541 }
3542
3543 static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3544 {
3545
3546 }
3547
3548 static void
3549 dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3550                       struct drm_display_mode *mode,
3551                       struct drm_display_mode *adjusted_mode)
3552 {
3553
3554 }
3555
3556 static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3557 {
3558
3559 }
3560
3561 static void
3562 dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3563 {
3564
3565 }
3566
3567 static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3568         .dpms = dce_v11_0_ext_dpms,
3569         .prepare = dce_v11_0_ext_prepare,
3570         .mode_set = dce_v11_0_ext_mode_set,
3571         .commit = dce_v11_0_ext_commit,
3572         .disable = dce_v11_0_ext_disable,
3573         /* no detect for TMDS/LVDS yet */
3574 };
3575
3576 static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3577         .dpms = amdgpu_atombios_encoder_dpms,
3578         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3579         .prepare = dce_v11_0_encoder_prepare,
3580         .mode_set = dce_v11_0_encoder_mode_set,
3581         .commit = dce_v11_0_encoder_commit,
3582         .disable = dce_v11_0_encoder_disable,
3583         .detect = amdgpu_atombios_encoder_dig_detect,
3584 };
3585
3586 static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3587         .dpms = amdgpu_atombios_encoder_dpms,
3588         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3589         .prepare = dce_v11_0_encoder_prepare,
3590         .mode_set = dce_v11_0_encoder_mode_set,
3591         .commit = dce_v11_0_encoder_commit,
3592         .detect = amdgpu_atombios_encoder_dac_detect,
3593 };
3594
3595 static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3596 {
3597         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3598         if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3599                 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3600         kfree(amdgpu_encoder->enc_priv);
3601         drm_encoder_cleanup(encoder);
3602         kfree(amdgpu_encoder);
3603 }
3604
3605 static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3606         .destroy = dce_v11_0_encoder_destroy,
3607 };
3608
3609 static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3610                                  uint32_t encoder_enum,
3611                                  uint32_t supported_device,
3612                                  u16 caps)
3613 {
3614         struct drm_device *dev = adev->ddev;
3615         struct drm_encoder *encoder;
3616         struct amdgpu_encoder *amdgpu_encoder;
3617
3618         /* see if we already added it */
3619         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3620                 amdgpu_encoder = to_amdgpu_encoder(encoder);
3621                 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3622                         amdgpu_encoder->devices |= supported_device;
3623                         return;
3624                 }
3625
3626         }
3627
3628         /* add a new one */
3629         amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3630         if (!amdgpu_encoder)
3631                 return;
3632
3633         encoder = &amdgpu_encoder->base;
3634         switch (adev->mode_info.num_crtc) {
3635         case 1:
3636                 encoder->possible_crtcs = 0x1;
3637                 break;
3638         case 2:
3639         default:
3640                 encoder->possible_crtcs = 0x3;
3641                 break;
3642         case 3:
3643                 encoder->possible_crtcs = 0x7;
3644                 break;
3645         case 4:
3646                 encoder->possible_crtcs = 0xf;
3647                 break;
3648         case 5:
3649                 encoder->possible_crtcs = 0x1f;
3650                 break;
3651         case 6:
3652                 encoder->possible_crtcs = 0x3f;
3653                 break;
3654         }
3655
3656         amdgpu_encoder->enc_priv = NULL;
3657
3658         amdgpu_encoder->encoder_enum = encoder_enum;
3659         amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3660         amdgpu_encoder->devices = supported_device;
3661         amdgpu_encoder->rmx_type = RMX_OFF;
3662         amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3663         amdgpu_encoder->is_ext_encoder = false;
3664         amdgpu_encoder->caps = caps;
3665
3666         switch (amdgpu_encoder->encoder_id) {
3667         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3668         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3669                 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3670                                  DRM_MODE_ENCODER_DAC, NULL);
3671                 drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3672                 break;
3673         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3674         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3675         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3676         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3677         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3678                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3679                         amdgpu_encoder->rmx_type = RMX_FULL;
3680                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3681                                          DRM_MODE_ENCODER_LVDS, NULL);
3682                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3683                 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3684                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3685                                          DRM_MODE_ENCODER_DAC, NULL);
3686                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3687                 } else {
3688                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3689                                          DRM_MODE_ENCODER_TMDS, NULL);
3690                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3691                 }
3692                 drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3693                 break;
3694         case ENCODER_OBJECT_ID_SI170B:
3695         case ENCODER_OBJECT_ID_CH7303:
3696         case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3697         case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3698         case ENCODER_OBJECT_ID_TITFP513:
3699         case ENCODER_OBJECT_ID_VT1623:
3700         case ENCODER_OBJECT_ID_HDMI_SI1930:
3701         case ENCODER_OBJECT_ID_TRAVIS:
3702         case ENCODER_OBJECT_ID_NUTMEG:
3703                 /* these are handled by the primary encoders */
3704                 amdgpu_encoder->is_ext_encoder = true;
3705                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3706                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3707                                          DRM_MODE_ENCODER_LVDS, NULL);
3708                 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3709                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3710                                          DRM_MODE_ENCODER_DAC, NULL);
3711                 else
3712                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3713                                          DRM_MODE_ENCODER_TMDS, NULL);
3714                 drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3715                 break;
3716         }
3717 }
3718
3719 static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3720         .bandwidth_update = &dce_v11_0_bandwidth_update,
3721         .vblank_get_counter = &dce_v11_0_vblank_get_counter,
3722         .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3723         .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3724         .hpd_sense = &dce_v11_0_hpd_sense,
3725         .hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3726         .hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3727         .page_flip = &dce_v11_0_page_flip,
3728         .page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3729         .add_encoder = &dce_v11_0_encoder_add,
3730         .add_connector = &amdgpu_connector_add,
3731 };
3732
3733 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3734 {
3735         adev->mode_info.funcs = &dce_v11_0_display_funcs;
3736 }
3737
3738 static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3739         .set = dce_v11_0_set_crtc_irq_state,
3740         .process = dce_v11_0_crtc_irq,
3741 };
3742
3743 static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3744         .set = dce_v11_0_set_pageflip_irq_state,
3745         .process = dce_v11_0_pageflip_irq,
3746 };
3747
3748 static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3749         .set = dce_v11_0_set_hpd_irq_state,
3750         .process = dce_v11_0_hpd_irq,
3751 };
3752
3753 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3754 {
3755         if (adev->mode_info.num_crtc > 0)
3756                 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3757         else
3758                 adev->crtc_irq.num_types = 0;
3759         adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3760
3761         adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3762         adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3763
3764         adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3765         adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3766 }
3767
3768 const struct amdgpu_ip_block_version dce_v11_0_ip_block =
3769 {
3770         .type = AMD_IP_BLOCK_TYPE_DCE,
3771         .major = 11,
3772         .minor = 0,
3773         .rev = 0,
3774         .funcs = &dce_v11_0_ip_funcs,
3775 };
3776
3777 const struct amdgpu_ip_block_version dce_v11_2_ip_block =
3778 {
3779         .type = AMD_IP_BLOCK_TYPE_DCE,
3780         .major = 11,
3781         .minor = 2,
3782         .rev = 0,
3783         .funcs = &dce_v11_0_ip_funcs,
3784 };