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

   1 /*
   2  * Copyright 2014 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23
  24 #include <drm/drm_edid.h>
  25 #include <drm/drm_fourcc.h>
  26 #include <drm/drm_modeset_helper.h>
  27 #include <drm/drm_modeset_helper_vtables.h>
  28 #include <drm/drm_vblank.h>
  29
  30 #include "amdgpu.h"
  31 #include "amdgpu_pm.h"
  32 #include "amdgpu_i2c.h"
  33 #include "vid.h"
  34 #include "atom.h"
  35 #include "amdgpu_atombios.h"
  36 #include "atombios_crtc.h"
  37 #include "atombios_encoders.h"
  38 #include "amdgpu_pll.h"
  39 #include "amdgpu_connectors.h"
  40 #include "amdgpu_display.h"
  41 #include "dce_v10_0.h"
  42
  43 #include "dce/dce_10_0_d.h"
  44 #include "dce/dce_10_0_sh_mask.h"
  45 #include "dce/dce_10_0_enum.h"
  46 #include "oss/oss_3_0_d.h"
  47 #include "oss/oss_3_0_sh_mask.h"
  48 #include "gmc/gmc_8_1_d.h"
  49 #include "gmc/gmc_8_1_sh_mask.h"
  50
  51 #include "ivsrcid/ivsrcid_vislands30.h"
  52
  53 static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev);
  54 static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev);
  55 static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev, int hpd);
  56
  57 static const u32 crtc_offsets[] = {
  58         CRTC0_REGISTER_OFFSET,
  59         CRTC1_REGISTER_OFFSET,
  60         CRTC2_REGISTER_OFFSET,
  61         CRTC3_REGISTER_OFFSET,
  62         CRTC4_REGISTER_OFFSET,
  63         CRTC5_REGISTER_OFFSET,
  64         CRTC6_REGISTER_OFFSET
  65 };
  66
  67 static const u32 hpd_offsets[] = {
  68         HPD0_REGISTER_OFFSET,
  69         HPD1_REGISTER_OFFSET,
  70         HPD2_REGISTER_OFFSET,
  71         HPD3_REGISTER_OFFSET,
  72         HPD4_REGISTER_OFFSET,
  73         HPD5_REGISTER_OFFSET
  74 };
  75
  76 static const uint32_t dig_offsets[] = {
  77         DIG0_REGISTER_OFFSET,
  78         DIG1_REGISTER_OFFSET,
  79         DIG2_REGISTER_OFFSET,
  80         DIG3_REGISTER_OFFSET,
  81         DIG4_REGISTER_OFFSET,
  82         DIG5_REGISTER_OFFSET,
  83         DIG6_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 golden_settings_tonga_a11[] = {
 125         mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 126         mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 127         mmFBC_MISC, 0x1f311fff, 0x12300000,
 128         mmHDMI_CONTROL, 0x31000111, 0x00000011,
 129 };
 130
 131 static const u32 tonga_mgcg_cgcg_init[] = {
 132         mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 133         mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 134 };
 135
 136 static const u32 golden_settings_fiji_a10[] = {
 137         mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 138         mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 139         mmFBC_MISC, 0x1f311fff, 0x12300000,
 140         mmHDMI_CONTROL, 0x31000111, 0x00000011,
 141 };
 142
 143 static const u32 fiji_mgcg_cgcg_init[] = {
 144         mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 145         mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 146 };
 147
 148 static void dce_v10_0_init_golden_registers(struct amdgpu_device *adev)
 149 {
 150         switch (adev->asic_type) {
 151         case CHIP_FIJI:
 152                 amdgpu_device_program_register_sequence(adev,
 153                                                         fiji_mgcg_cgcg_init,
 154                                                         ARRAY_SIZE(fiji_mgcg_cgcg_init));
 155                 amdgpu_device_program_register_sequence(adev,
 156                                                         golden_settings_fiji_a10,
 157                                                         ARRAY_SIZE(golden_settings_fiji_a10));
 158                 break;
 159         case CHIP_TONGA:
 160                 amdgpu_device_program_register_sequence(adev,
 161                                                         tonga_mgcg_cgcg_init,
 162                                                         ARRAY_SIZE(tonga_mgcg_cgcg_init));
 163                 amdgpu_device_program_register_sequence(adev,
 164                                                         golden_settings_tonga_a11,
 165                                                         ARRAY_SIZE(golden_settings_tonga_a11));
 166                 break;
 167         default:
 168                 break;
 169         }
 170 }
 171
 172 static u32 dce_v10_0_audio_endpt_rreg(struct amdgpu_device *adev,
 173                                      u32 block_offset, u32 reg)
 174 {
 175         unsigned long flags;
 176         u32 r;
 177
 178         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 179         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 180         r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 181         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 182
 183         return r;
 184 }
 185
 186 static void dce_v10_0_audio_endpt_wreg(struct amdgpu_device *adev,
 187                                       u32 block_offset, u32 reg, u32 v)
 188 {
 189         unsigned long flags;
 190
 191         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 192         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 193         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 194         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 195 }
 196
 197 static u32 dce_v10_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 198 {
 199         if (crtc >= adev->mode_info.num_crtc)
 200                 return 0;
 201         else
 202                 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 203 }
 204
 205 static void dce_v10_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 206 {
 207         unsigned i;
 208
 209         /* Enable pflip interrupts */
 210         for (i = 0; i < adev->mode_info.num_crtc; i++)
 211                 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 212 }
 213
 214 static void dce_v10_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 215 {
 216         unsigned i;
 217
 218         /* Disable pflip interrupts */
 219         for (i = 0; i < adev->mode_info.num_crtc; i++)
 220                 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 221 }
 222
 223 /**
 224  * dce_v10_0_page_flip - pageflip callback.
 225  *
 226  * @adev: amdgpu_device pointer
 227  * @crtc_id: crtc to cleanup pageflip on
 228  * @crtc_base: new address of the crtc (GPU MC address)
 229  * @async: asynchronous flip
 230  *
 231  * Triggers the actual pageflip by updating the primary
 232  * surface base address.
 233  */
 234 static void dce_v10_0_page_flip(struct amdgpu_device *adev,
 235                                 int crtc_id, u64 crtc_base, bool async)
 236 {
 237         struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 238         struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
 239         u32 tmp;
 240
 241         /* flip at hsync for async, default is vsync */
 242         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
 243         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
 244                             GRPH_SURFACE_UPDATE_H_RETRACE_EN, async ? 1 : 0);
 245         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 246         /* update pitch */
 247         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
 248                fb->pitches[0] / fb->format->cpp[0]);
 249         /* update the primary scanout address */
 250         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 251                upper_32_bits(crtc_base));
 252         /* writing to the low address triggers the update */
 253         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 254                lower_32_bits(crtc_base));
 255         /* post the write */
 256         RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 257 }
 258
 259 static int dce_v10_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 260                                         u32 *vbl, u32 *position)
 261 {
 262         if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 263                 return -EINVAL;
 264
 265         *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 266         *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 267
 268         return 0;
 269 }
 270
 271 /**
 272  * dce_v10_0_hpd_sense - hpd sense callback.
 273  *
 274  * @adev: amdgpu_device pointer
 275  * @hpd: hpd (hotplug detect) pin
 276  *
 277  * Checks if a digital monitor is connected (evergreen+).
 278  * Returns true if connected, false if not connected.
 279  */
 280 static bool dce_v10_0_hpd_sense(struct amdgpu_device *adev,
 281                                enum amdgpu_hpd_id hpd)
 282 {
 283         bool connected = false;
 284
 285         if (hpd >= adev->mode_info.num_hpd)
 286                 return connected;
 287
 288         if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
 289             DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
 290                 connected = true;
 291
 292         return connected;
 293 }
 294
 295 /**
 296  * dce_v10_0_hpd_set_polarity - hpd set polarity callback.
 297  *
 298  * @adev: amdgpu_device pointer
 299  * @hpd: hpd (hotplug detect) pin
 300  *
 301  * Set the polarity of the hpd pin (evergreen+).
 302  */
 303 static void dce_v10_0_hpd_set_polarity(struct amdgpu_device *adev,
 304                                       enum amdgpu_hpd_id hpd)
 305 {
 306         u32 tmp;
 307         bool connected = dce_v10_0_hpd_sense(adev, hpd);
 308
 309         if (hpd >= adev->mode_info.num_hpd)
 310                 return;
 311
 312         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
 313         if (connected)
 314                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
 315         else
 316                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
 317         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
 318 }
 319
 320 /**
 321  * dce_v10_0_hpd_init - hpd setup callback.
 322  *
 323  * @adev: amdgpu_device pointer
 324  *
 325  * Setup the hpd pins used by the card (evergreen+).
 326  * Enable the pin, set the polarity, and enable the hpd interrupts.
 327  */
 328 static void dce_v10_0_hpd_init(struct amdgpu_device *adev)
 329 {
 330         struct drm_device *dev = adev_to_drm(adev);
 331         struct drm_connector *connector;
 332         struct drm_connector_list_iter iter;
 333         u32 tmp;
 334
 335         drm_connector_list_iter_begin(dev, &iter);
 336         drm_for_each_connector_iter(connector, &iter) {
 337                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 338
 339                 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 340                         continue;
 341
 342                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 343                     connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 344                         /* don't try to enable hpd on eDP or LVDS avoid breaking the
 345                          * aux dp channel on imac and help (but not completely fix)
 346                          * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 347                          * also avoid interrupt storms during dpms.
 348                          */
 349                         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 350                         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
 351                         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 352                         continue;
 353                 }
 354
 355                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 356                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
 357                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 358
 359                 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 360                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 361                                     DC_HPD_CONNECT_INT_DELAY,
 362                                     AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
 363                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 364                                     DC_HPD_DISCONNECT_INT_DELAY,
 365                                     AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
 366                 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 367
 368                 dce_v10_0_hpd_int_ack(adev, amdgpu_connector->hpd.hpd);
 369                 dce_v10_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 370                 amdgpu_irq_get(adev, &adev->hpd_irq,
 371                                amdgpu_connector->hpd.hpd);
 372         }
 373         drm_connector_list_iter_end(&iter);
 374 }
 375
 376 /**
 377  * dce_v10_0_hpd_fini - hpd tear down callback.
 378  *
 379  * @adev: amdgpu_device pointer
 380  *
 381  * Tear down the hpd pins used by the card (evergreen+).
 382  * Disable the hpd interrupts.
 383  */
 384 static void dce_v10_0_hpd_fini(struct amdgpu_device *adev)
 385 {
 386         struct drm_device *dev = adev_to_drm(adev);
 387         struct drm_connector *connector;
 388         struct drm_connector_list_iter iter;
 389         u32 tmp;
 390
 391         drm_connector_list_iter_begin(dev, &iter);
 392         drm_for_each_connector_iter(connector, &iter) {
 393                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 394
 395                 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 396                         continue;
 397
 398                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 399                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
 400                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 401
 402                 amdgpu_irq_put(adev, &adev->hpd_irq,
 403                                amdgpu_connector->hpd.hpd);
 404         }
 405         drm_connector_list_iter_end(&iter);
 406 }
 407
 408 static u32 dce_v10_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 409 {
 410         return mmDC_GPIO_HPD_A;
 411 }
 412
 413 static bool dce_v10_0_is_display_hung(struct amdgpu_device *adev)
 414 {
 415         u32 crtc_hung = 0;
 416         u32 crtc_status[6];
 417         u32 i, j, tmp;
 418
 419         for (i = 0; i < adev->mode_info.num_crtc; i++) {
 420                 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 421                 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
 422                         crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 423                         crtc_hung |= (1 << i);
 424                 }
 425         }
 426
 427         for (j = 0; j < 10; j++) {
 428                 for (i = 0; i < adev->mode_info.num_crtc; i++) {
 429                         if (crtc_hung & (1 << i)) {
 430                                 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 431                                 if (tmp != crtc_status[i])
 432                                         crtc_hung &= ~(1 << i);
 433                         }
 434                 }
 435                 if (crtc_hung == 0)
 436                         return false;
 437                 udelay(100);
 438         }
 439
 440         return true;
 441 }
 442
 443 static void dce_v10_0_set_vga_render_state(struct amdgpu_device *adev,
 444                                            bool render)
 445 {
 446         u32 tmp;
 447
 448         /* Lockout access through VGA aperture*/
 449         tmp = RREG32(mmVGA_HDP_CONTROL);
 450         if (render)
 451                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
 452         else
 453                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
 454         WREG32(mmVGA_HDP_CONTROL, tmp);
 455
 456         /* disable VGA render */
 457         tmp = RREG32(mmVGA_RENDER_CONTROL);
 458         if (render)
 459                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
 460         else
 461                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 462         WREG32(mmVGA_RENDER_CONTROL, tmp);
 463 }
 464
 465 static int dce_v10_0_get_num_crtc(struct amdgpu_device *adev)
 466 {
 467         int num_crtc = 0;
 468
 469         switch (adev->asic_type) {
 470         case CHIP_FIJI:
 471         case CHIP_TONGA:
 472                 num_crtc = 6;
 473                 break;
 474         default:
 475                 num_crtc = 0;
 476         }
 477         return num_crtc;
 478 }
 479
 480 void dce_v10_0_disable_dce(struct amdgpu_device *adev)
 481 {
 482         /*Disable VGA render and enabled crtc, if has DCE engine*/
 483         if (amdgpu_atombios_has_dce_engine_info(adev)) {
 484                 u32 tmp;
 485                 int crtc_enabled, i;
 486
 487                 dce_v10_0_set_vga_render_state(adev, false);
 488
 489                 /*Disable crtc*/
 490                 for (i = 0; i < dce_v10_0_get_num_crtc(adev); i++) {
 491                         crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
 492                                                                          CRTC_CONTROL, CRTC_MASTER_EN);
 493                         if (crtc_enabled) {
 494                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 495                                 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 496                                 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
 497                                 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 498                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 499                         }
 500                 }
 501         }
 502 }
 503
 504 static void dce_v10_0_program_fmt(struct drm_encoder *encoder)
 505 {
 506         struct drm_device *dev = encoder->dev;
 507         struct amdgpu_device *adev = drm_to_adev(dev);
 508         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 509         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 510         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 511         int bpc = 0;
 512         u32 tmp = 0;
 513         enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 514
 515         if (connector) {
 516                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 517                 bpc = amdgpu_connector_get_monitor_bpc(connector);
 518                 dither = amdgpu_connector->dither;
 519         }
 520
 521         /* LVDS/eDP FMT is set up by atom */
 522         if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 523                 return;
 524
 525         /* not needed for analog */
 526         if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 527             (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 528                 return;
 529
 530         if (bpc == 0)
 531                 return;
 532
 533         switch (bpc) {
 534         case 6:
 535                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 536                         /* XXX sort out optimal dither settings */
 537                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 538                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 539                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 540                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
 541                 } else {
 542                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 543                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
 544                 }
 545                 break;
 546         case 8:
 547                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 548                         /* XXX sort out optimal dither settings */
 549                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 550                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 551                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 552                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 553                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
 554                 } else {
 555                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 556                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
 557                 }
 558                 break;
 559         case 10:
 560                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 561                         /* XXX sort out optimal dither settings */
 562                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 563                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 564                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 565                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 566                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
 567                 } else {
 568                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 569                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
 570                 }
 571                 break;
 572         default:
 573                 /* not needed */
 574                 break;
 575         }
 576
 577         WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 578 }
 579
 580
 581 /* display watermark setup */
 582 /**
 583  * dce_v10_0_line_buffer_adjust - Set up the line buffer
 584  *
 585  * @adev: amdgpu_device pointer
 586  * @amdgpu_crtc: the selected display controller
 587  * @mode: the current display mode on the selected display
 588  * controller
 589  *
 590  * Setup up the line buffer allocation for
 591  * the selected display controller (CIK).
 592  * Returns the line buffer size in pixels.
 593  */
 594 static u32 dce_v10_0_line_buffer_adjust(struct amdgpu_device *adev,
 595                                        struct amdgpu_crtc *amdgpu_crtc,
 596                                        struct drm_display_mode *mode)
 597 {
 598         u32 tmp, buffer_alloc, i, mem_cfg;
 599         u32 pipe_offset = amdgpu_crtc->crtc_id;
 600         /*
 601          * Line Buffer Setup
 602          * There are 6 line buffers, one for each display controllers.
 603          * There are 3 partitions per LB. Select the number of partitions
 604          * to enable based on the display width.  For display widths larger
 605          * than 4096, you need use to use 2 display controllers and combine
 606          * them using the stereo blender.
 607          */
 608         if (amdgpu_crtc->base.enabled && mode) {
 609                 if (mode->crtc_hdisplay < 1920) {
 610                         mem_cfg = 1;
 611                         buffer_alloc = 2;
 612                 } else if (mode->crtc_hdisplay < 2560) {
 613                         mem_cfg = 2;
 614                         buffer_alloc = 2;
 615                 } else if (mode->crtc_hdisplay < 4096) {
 616                         mem_cfg = 0;
 617                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 618                 } else {
 619                         DRM_DEBUG_KMS("Mode too big for LB!\n");
 620                         mem_cfg = 0;
 621                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 622                 }
 623         } else {
 624                 mem_cfg = 1;
 625                 buffer_alloc = 0;
 626         }
 627
 628         tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
 629         tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
 630         WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
 631
 632         tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 633         tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
 634         WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
 635
 636         for (i = 0; i < adev->usec_timeout; i++) {
 637                 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 638                 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
 639                         break;
 640                 udelay(1);
 641         }
 642
 643         if (amdgpu_crtc->base.enabled && mode) {
 644                 switch (mem_cfg) {
 645                 case 0:
 646                 default:
 647                         return 4096 * 2;
 648                 case 1:
 649                         return 1920 * 2;
 650                 case 2:
 651                         return 2560 * 2;
 652                 }
 653         }
 654
 655         /* controller not enabled, so no lb used */
 656         return 0;
 657 }
 658
 659 /**
 660  * cik_get_number_of_dram_channels - get the number of dram channels
 661  *
 662  * @adev: amdgpu_device pointer
 663  *
 664  * Look up the number of video ram channels (CIK).
 665  * Used for display watermark bandwidth calculations
 666  * Returns the number of dram channels
 667  */
 668 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
 669 {
 670         u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 671
 672         switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
 673         case 0:
 674         default:
 675                 return 1;
 676         case 1:
 677                 return 2;
 678         case 2:
 679                 return 4;
 680         case 3:
 681                 return 8;
 682         case 4:
 683                 return 3;
 684         case 5:
 685                 return 6;
 686         case 6:
 687                 return 10;
 688         case 7:
 689                 return 12;
 690         case 8:
 691                 return 16;
 692         }
 693 }
 694
 695 struct dce10_wm_params {
 696         u32 dram_channels; /* number of dram channels */
 697         u32 yclk;          /* bandwidth per dram data pin in kHz */
 698         u32 sclk;          /* engine clock in kHz */
 699         u32 disp_clk;      /* display clock in kHz */
 700         u32 src_width;     /* viewport width */
 701         u32 active_time;   /* active display time in ns */
 702         u32 blank_time;    /* blank time in ns */
 703         bool interlaced;    /* mode is interlaced */
 704         fixed20_12 vsc;    /* vertical scale ratio */
 705         u32 num_heads;     /* number of active crtcs */
 706         u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 707         u32 lb_size;       /* line buffer allocated to pipe */
 708         u32 vtaps;         /* vertical scaler taps */
 709 };
 710
 711 /**
 712  * dce_v10_0_dram_bandwidth - get the dram bandwidth
 713  *
 714  * @wm: watermark calculation data
 715  *
 716  * Calculate the raw dram bandwidth (CIK).
 717  * Used for display watermark bandwidth calculations
 718  * Returns the dram bandwidth in MBytes/s
 719  */
 720 static u32 dce_v10_0_dram_bandwidth(struct dce10_wm_params *wm)
 721 {
 722         /* Calculate raw DRAM Bandwidth */
 723         fixed20_12 dram_efficiency; /* 0.7 */
 724         fixed20_12 yclk, dram_channels, bandwidth;
 725         fixed20_12 a;
 726
 727         a.full = dfixed_const(1000);
 728         yclk.full = dfixed_const(wm->yclk);
 729         yclk.full = dfixed_div(yclk, a);
 730         dram_channels.full = dfixed_const(wm->dram_channels * 4);
 731         a.full = dfixed_const(10);
 732         dram_efficiency.full = dfixed_const(7);
 733         dram_efficiency.full = dfixed_div(dram_efficiency, a);
 734         bandwidth.full = dfixed_mul(dram_channels, yclk);
 735         bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 736
 737         return dfixed_trunc(bandwidth);
 738 }
 739
 740 /**
 741  * dce_v10_0_dram_bandwidth_for_display - get the dram bandwidth for display
 742  *
 743  * @wm: watermark calculation data
 744  *
 745  * Calculate the dram bandwidth used for display (CIK).
 746  * Used for display watermark bandwidth calculations
 747  * Returns the dram bandwidth for display in MBytes/s
 748  */
 749 static u32 dce_v10_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 750 {
 751         /* Calculate DRAM Bandwidth and the part allocated to display. */
 752         fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 753         fixed20_12 yclk, dram_channels, bandwidth;
 754         fixed20_12 a;
 755
 756         a.full = dfixed_const(1000);
 757         yclk.full = dfixed_const(wm->yclk);
 758         yclk.full = dfixed_div(yclk, a);
 759         dram_channels.full = dfixed_const(wm->dram_channels * 4);
 760         a.full = dfixed_const(10);
 761         disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 762         disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 763         bandwidth.full = dfixed_mul(dram_channels, yclk);
 764         bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 765
 766         return dfixed_trunc(bandwidth);
 767 }
 768
 769 /**
 770  * dce_v10_0_data_return_bandwidth - get the data return bandwidth
 771  *
 772  * @wm: watermark calculation data
 773  *
 774  * Calculate the data return bandwidth used for display (CIK).
 775  * Used for display watermark bandwidth calculations
 776  * Returns the data return bandwidth in MBytes/s
 777  */
 778 static u32 dce_v10_0_data_return_bandwidth(struct dce10_wm_params *wm)
 779 {
 780         /* Calculate the display Data return Bandwidth */
 781         fixed20_12 return_efficiency; /* 0.8 */
 782         fixed20_12 sclk, bandwidth;
 783         fixed20_12 a;
 784
 785         a.full = dfixed_const(1000);
 786         sclk.full = dfixed_const(wm->sclk);
 787         sclk.full = dfixed_div(sclk, a);
 788         a.full = dfixed_const(10);
 789         return_efficiency.full = dfixed_const(8);
 790         return_efficiency.full = dfixed_div(return_efficiency, a);
 791         a.full = dfixed_const(32);
 792         bandwidth.full = dfixed_mul(a, sclk);
 793         bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 794
 795         return dfixed_trunc(bandwidth);
 796 }
 797
 798 /**
 799  * dce_v10_0_dmif_request_bandwidth - get the dmif bandwidth
 800  *
 801  * @wm: watermark calculation data
 802  *
 803  * Calculate the dmif bandwidth used for display (CIK).
 804  * Used for display watermark bandwidth calculations
 805  * Returns the dmif bandwidth in MBytes/s
 806  */
 807 static u32 dce_v10_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
 808 {
 809         /* Calculate the DMIF Request Bandwidth */
 810         fixed20_12 disp_clk_request_efficiency; /* 0.8 */
 811         fixed20_12 disp_clk, bandwidth;
 812         fixed20_12 a, b;
 813
 814         a.full = dfixed_const(1000);
 815         disp_clk.full = dfixed_const(wm->disp_clk);
 816         disp_clk.full = dfixed_div(disp_clk, a);
 817         a.full = dfixed_const(32);
 818         b.full = dfixed_mul(a, disp_clk);
 819
 820         a.full = dfixed_const(10);
 821         disp_clk_request_efficiency.full = dfixed_const(8);
 822         disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
 823
 824         bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
 825
 826         return dfixed_trunc(bandwidth);
 827 }
 828
 829 /**
 830  * dce_v10_0_available_bandwidth - get the min available bandwidth
 831  *
 832  * @wm: watermark calculation data
 833  *
 834  * Calculate the min available bandwidth used for display (CIK).
 835  * Used for display watermark bandwidth calculations
 836  * Returns the min available bandwidth in MBytes/s
 837  */
 838 static u32 dce_v10_0_available_bandwidth(struct dce10_wm_params *wm)
 839 {
 840         /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
 841         u32 dram_bandwidth = dce_v10_0_dram_bandwidth(wm);
 842         u32 data_return_bandwidth = dce_v10_0_data_return_bandwidth(wm);
 843         u32 dmif_req_bandwidth = dce_v10_0_dmif_request_bandwidth(wm);
 844
 845         return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
 846 }
 847
 848 /**
 849  * dce_v10_0_average_bandwidth - get the average available bandwidth
 850  *
 851  * @wm: watermark calculation data
 852  *
 853  * Calculate the average available bandwidth used for display (CIK).
 854  * Used for display watermark bandwidth calculations
 855  * Returns the average available bandwidth in MBytes/s
 856  */
 857 static u32 dce_v10_0_average_bandwidth(struct dce10_wm_params *wm)
 858 {
 859         /* Calculate the display mode Average Bandwidth
 860          * DisplayMode should contain the source and destination dimensions,
 861          * timing, etc.
 862          */
 863         fixed20_12 bpp;
 864         fixed20_12 line_time;
 865         fixed20_12 src_width;
 866         fixed20_12 bandwidth;
 867         fixed20_12 a;
 868
 869         a.full = dfixed_const(1000);
 870         line_time.full = dfixed_const(wm->active_time + wm->blank_time);
 871         line_time.full = dfixed_div(line_time, a);
 872         bpp.full = dfixed_const(wm->bytes_per_pixel);
 873         src_width.full = dfixed_const(wm->src_width);
 874         bandwidth.full = dfixed_mul(src_width, bpp);
 875         bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
 876         bandwidth.full = dfixed_div(bandwidth, line_time);
 877
 878         return dfixed_trunc(bandwidth);
 879 }
 880
 881 /**
 882  * dce_v10_0_latency_watermark - get the latency watermark
 883  *
 884  * @wm: watermark calculation data
 885  *
 886  * Calculate the latency watermark (CIK).
 887  * Used for display watermark bandwidth calculations
 888  * Returns the latency watermark in ns
 889  */
 890 static u32 dce_v10_0_latency_watermark(struct dce10_wm_params *wm)
 891 {
 892         /* First calculate the latency in ns */
 893         u32 mc_latency = 2000; /* 2000 ns. */
 894         u32 available_bandwidth = dce_v10_0_available_bandwidth(wm);
 895         u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
 896         u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
 897         u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
 898         u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
 899                 (wm->num_heads * cursor_line_pair_return_time);
 900         u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
 901         u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
 902         u32 tmp, dmif_size = 12288;
 903         fixed20_12 a, b, c;
 904
 905         if (wm->num_heads == 0)
 906                 return 0;
 907
 908         a.full = dfixed_const(2);
 909         b.full = dfixed_const(1);
 910         if ((wm->vsc.full > a.full) ||
 911             ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
 912             (wm->vtaps >= 5) ||
 913             ((wm->vsc.full >= a.full) && wm->interlaced))
 914                 max_src_lines_per_dst_line = 4;
 915         else
 916                 max_src_lines_per_dst_line = 2;
 917
 918         a.full = dfixed_const(available_bandwidth);
 919         b.full = dfixed_const(wm->num_heads);
 920         a.full = dfixed_div(a, b);
 921         tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
 922         tmp = min(dfixed_trunc(a), tmp);
 923
 924         lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
 925
 926         a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 927         b.full = dfixed_const(1000);
 928         c.full = dfixed_const(lb_fill_bw);
 929         b.full = dfixed_div(c, b);
 930         a.full = dfixed_div(a, b);
 931         line_fill_time = dfixed_trunc(a);
 932
 933         if (line_fill_time < wm->active_time)
 934                 return latency;
 935         else
 936                 return latency + (line_fill_time - wm->active_time);
 937
 938 }
 939
 940 /**
 941  * dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display - check
 942  * average and available dram bandwidth
 943  *
 944  * @wm: watermark calculation data
 945  *
 946  * Check if the display average bandwidth fits in the display
 947  * dram bandwidth (CIK).
 948  * Used for display watermark bandwidth calculations
 949  * Returns true if the display fits, false if not.
 950  */
 951 static bool dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 952 {
 953         if (dce_v10_0_average_bandwidth(wm) <=
 954             (dce_v10_0_dram_bandwidth_for_display(wm) / wm->num_heads))
 955                 return true;
 956         else
 957                 return false;
 958 }
 959
 960 /**
 961  * dce_v10_0_average_bandwidth_vs_available_bandwidth - check
 962  * average and available bandwidth
 963  *
 964  * @wm: watermark calculation data
 965  *
 966  * Check if the display average bandwidth fits in the display
 967  * available bandwidth (CIK).
 968  * Used for display watermark bandwidth calculations
 969  * Returns true if the display fits, false if not.
 970  */
 971 static bool dce_v10_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
 972 {
 973         if (dce_v10_0_average_bandwidth(wm) <=
 974             (dce_v10_0_available_bandwidth(wm) / wm->num_heads))
 975                 return true;
 976         else
 977                 return false;
 978 }
 979
 980 /**
 981  * dce_v10_0_check_latency_hiding - check latency hiding
 982  *
 983  * @wm: watermark calculation data
 984  *
 985  * Check latency hiding (CIK).
 986  * Used for display watermark bandwidth calculations
 987  * Returns true if the display fits, false if not.
 988  */
 989 static bool dce_v10_0_check_latency_hiding(struct dce10_wm_params *wm)
 990 {
 991         u32 lb_partitions = wm->lb_size / wm->src_width;
 992         u32 line_time = wm->active_time + wm->blank_time;
 993         u32 latency_tolerant_lines;
 994         u32 latency_hiding;
 995         fixed20_12 a;
 996
 997         a.full = dfixed_const(1);
 998         if (wm->vsc.full > a.full)
 999                 latency_tolerant_lines = 1;
1000         else {
1001                 if (lb_partitions <= (wm->vtaps + 1))
1002                         latency_tolerant_lines = 1;
1003                 else
1004                         latency_tolerant_lines = 2;
1005         }
1006
1007         latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1008
1009         if (dce_v10_0_latency_watermark(wm) <= latency_hiding)
1010                 return true;
1011         else
1012                 return false;
1013 }
1014
1015 /**
1016  * dce_v10_0_program_watermarks - program display watermarks
1017  *
1018  * @adev: amdgpu_device pointer
1019  * @amdgpu_crtc: the selected display controller
1020  * @lb_size: line buffer size
1021  * @num_heads: number of display controllers in use
1022  *
1023  * Calculate and program the display watermarks for the
1024  * selected display controller (CIK).
1025  */
1026 static void dce_v10_0_program_watermarks(struct amdgpu_device *adev,
1027                                         struct amdgpu_crtc *amdgpu_crtc,
1028                                         u32 lb_size, u32 num_heads)
1029 {
1030         struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1031         struct dce10_wm_params wm_low, wm_high;
1032         u32 active_time;
1033         u32 line_time = 0;
1034         u32 latency_watermark_a = 0, latency_watermark_b = 0;
1035         u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1036
1037         if (amdgpu_crtc->base.enabled && num_heads && mode) {
1038                 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1039                                             (u32)mode->clock);
1040                 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1041                                           (u32)mode->clock);
1042                 line_time = min_t(u32, line_time, 65535);
1043
1044                 /* watermark for high clocks */
1045                 if (adev->pm.dpm_enabled) {
1046                         wm_high.yclk =
1047                                 amdgpu_dpm_get_mclk(adev, false) * 10;
1048                         wm_high.sclk =
1049                                 amdgpu_dpm_get_sclk(adev, false) * 10;
1050                 } else {
1051                         wm_high.yclk = adev->pm.current_mclk * 10;
1052                         wm_high.sclk = adev->pm.current_sclk * 10;
1053                 }
1054
1055                 wm_high.disp_clk = mode->clock;
1056                 wm_high.src_width = mode->crtc_hdisplay;
1057                 wm_high.active_time = active_time;
1058                 wm_high.blank_time = line_time - wm_high.active_time;
1059                 wm_high.interlaced = false;
1060                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1061                         wm_high.interlaced = true;
1062                 wm_high.vsc = amdgpu_crtc->vsc;
1063                 wm_high.vtaps = 1;
1064                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1065                         wm_high.vtaps = 2;
1066                 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1067                 wm_high.lb_size = lb_size;
1068                 wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1069                 wm_high.num_heads = num_heads;
1070
1071                 /* set for high clocks */
1072                 latency_watermark_a = min_t(u32, dce_v10_0_latency_watermark(&wm_high), 65535);
1073
1074                 /* possibly force display priority to high */
1075                 /* should really do this at mode validation time... */
1076                 if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1077                     !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1078                     !dce_v10_0_check_latency_hiding(&wm_high) ||
1079                     (adev->mode_info.disp_priority == 2)) {
1080                         DRM_DEBUG_KMS("force priority to high\n");
1081                 }
1082
1083                 /* watermark for low clocks */
1084                 if (adev->pm.dpm_enabled) {
1085                         wm_low.yclk =
1086                                 amdgpu_dpm_get_mclk(adev, true) * 10;
1087                         wm_low.sclk =
1088                                 amdgpu_dpm_get_sclk(adev, true) * 10;
1089                 } else {
1090                         wm_low.yclk = adev->pm.current_mclk * 10;
1091                         wm_low.sclk = adev->pm.current_sclk * 10;
1092                 }
1093
1094                 wm_low.disp_clk = mode->clock;
1095                 wm_low.src_width = mode->crtc_hdisplay;
1096                 wm_low.active_time = active_time;
1097                 wm_low.blank_time = line_time - wm_low.active_time;
1098                 wm_low.interlaced = false;
1099                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1100                         wm_low.interlaced = true;
1101                 wm_low.vsc = amdgpu_crtc->vsc;
1102                 wm_low.vtaps = 1;
1103                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1104                         wm_low.vtaps = 2;
1105                 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1106                 wm_low.lb_size = lb_size;
1107                 wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1108                 wm_low.num_heads = num_heads;
1109
1110                 /* set for low clocks */
1111                 latency_watermark_b = min_t(u32, dce_v10_0_latency_watermark(&wm_low), 65535);
1112
1113                 /* possibly force display priority to high */
1114                 /* should really do this at mode validation time... */
1115                 if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1116                     !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1117                     !dce_v10_0_check_latency_hiding(&wm_low) ||
1118                     (adev->mode_info.disp_priority == 2)) {
1119                         DRM_DEBUG_KMS("force priority to high\n");
1120                 }
1121                 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1122         }
1123
1124         /* select wm A */
1125         wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1126         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1127         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1128         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1129         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1130         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1131         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1132         /* select wm B */
1133         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1134         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1135         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1136         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1137         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1138         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1139         /* restore original selection */
1140         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1141
1142         /* save values for DPM */
1143         amdgpu_crtc->line_time = line_time;
1144         amdgpu_crtc->wm_high = latency_watermark_a;
1145         amdgpu_crtc->wm_low = latency_watermark_b;
1146         /* Save number of lines the linebuffer leads before the scanout */
1147         amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1148 }
1149
1150 /**
1151  * dce_v10_0_bandwidth_update - program display watermarks
1152  *
1153  * @adev: amdgpu_device pointer
1154  *
1155  * Calculate and program the display watermarks and line
1156  * buffer allocation (CIK).
1157  */
1158 static void dce_v10_0_bandwidth_update(struct amdgpu_device *adev)
1159 {
1160         struct drm_display_mode *mode = NULL;
1161         u32 num_heads = 0, lb_size;
1162         int i;
1163
1164         amdgpu_display_update_priority(adev);
1165
1166         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1167                 if (adev->mode_info.crtcs[i]->base.enabled)
1168                         num_heads++;
1169         }
1170         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1171                 mode = &adev->mode_info.crtcs[i]->base.mode;
1172                 lb_size = dce_v10_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1173                 dce_v10_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1174                                             lb_size, num_heads);
1175         }
1176 }
1177
1178 static void dce_v10_0_audio_get_connected_pins(struct amdgpu_device *adev)
1179 {
1180         int i;
1181         u32 offset, tmp;
1182
1183         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1184                 offset = adev->mode_info.audio.pin[i].offset;
1185                 tmp = RREG32_AUDIO_ENDPT(offset,
1186                                          ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1187                 if (((tmp &
1188                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1189                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1190                         adev->mode_info.audio.pin[i].connected = false;
1191                 else
1192                         adev->mode_info.audio.pin[i].connected = true;
1193         }
1194 }
1195
1196 static struct amdgpu_audio_pin *dce_v10_0_audio_get_pin(struct amdgpu_device *adev)
1197 {
1198         int i;
1199
1200         dce_v10_0_audio_get_connected_pins(adev);
1201
1202         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1203                 if (adev->mode_info.audio.pin[i].connected)
1204                         return &adev->mode_info.audio.pin[i];
1205         }
1206         DRM_ERROR("No connected audio pins found!\n");
1207         return NULL;
1208 }
1209
1210 static void dce_v10_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1211 {
1212         struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1213         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1214         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1215         u32 tmp;
1216
1217         if (!dig || !dig->afmt || !dig->afmt->pin)
1218                 return;
1219
1220         tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1221         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1222         WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1223 }
1224
1225 static void dce_v10_0_audio_write_latency_fields(struct drm_encoder *encoder,
1226                                                 struct drm_display_mode *mode)
1227 {
1228         struct drm_device *dev = encoder->dev;
1229         struct amdgpu_device *adev = drm_to_adev(dev);
1230         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1231         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1232         struct drm_connector *connector;
1233         struct drm_connector_list_iter iter;
1234         struct amdgpu_connector *amdgpu_connector = NULL;
1235         u32 tmp;
1236         int interlace = 0;
1237
1238         if (!dig || !dig->afmt || !dig->afmt->pin)
1239                 return;
1240
1241         drm_connector_list_iter_begin(dev, &iter);
1242         drm_for_each_connector_iter(connector, &iter) {
1243                 if (connector->encoder == encoder) {
1244                         amdgpu_connector = to_amdgpu_connector(connector);
1245                         break;
1246                 }
1247         }
1248         drm_connector_list_iter_end(&iter);
1249
1250         if (!amdgpu_connector) {
1251                 DRM_ERROR("Couldn't find encoder's connector\n");
1252                 return;
1253         }
1254
1255         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1256                 interlace = 1;
1257         if (connector->latency_present[interlace]) {
1258                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1259                                     VIDEO_LIPSYNC, connector->video_latency[interlace]);
1260                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1261                                     AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1262         } else {
1263                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1264                                     VIDEO_LIPSYNC, 0);
1265                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1266                                     AUDIO_LIPSYNC, 0);
1267         }
1268         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1269                            ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1270 }
1271
1272 static void dce_v10_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1273 {
1274         struct drm_device *dev = encoder->dev;
1275         struct amdgpu_device *adev = drm_to_adev(dev);
1276         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1277         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1278         struct drm_connector *connector;
1279         struct drm_connector_list_iter iter;
1280         struct amdgpu_connector *amdgpu_connector = NULL;
1281         u32 tmp;
1282         u8 *sadb = NULL;
1283         int sad_count;
1284
1285         if (!dig || !dig->afmt || !dig->afmt->pin)
1286                 return;
1287
1288         drm_connector_list_iter_begin(dev, &iter);
1289         drm_for_each_connector_iter(connector, &iter) {
1290                 if (connector->encoder == encoder) {
1291                         amdgpu_connector = to_amdgpu_connector(connector);
1292                         break;
1293                 }
1294         }
1295         drm_connector_list_iter_end(&iter);
1296
1297         if (!amdgpu_connector) {
1298                 DRM_ERROR("Couldn't find encoder's connector\n");
1299                 return;
1300         }
1301
1302         sad_count = drm_edid_to_speaker_allocation(amdgpu_connector->edid, &sadb);
1303         if (sad_count < 0) {
1304                 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1305                 sad_count = 0;
1306         }
1307
1308         /* program the speaker allocation */
1309         tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1310                                  ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1311         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1312                             DP_CONNECTION, 0);
1313         /* set HDMI mode */
1314         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1315                             HDMI_CONNECTION, 1);
1316         if (sad_count)
1317                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1318                                     SPEAKER_ALLOCATION, sadb[0]);
1319         else
1320                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1321                                     SPEAKER_ALLOCATION, 5); /* stereo */
1322         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1323                            ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1324
1325         kfree(sadb);
1326 }
1327
1328 static void dce_v10_0_audio_write_sad_regs(struct drm_encoder *encoder)
1329 {
1330         struct drm_device *dev = encoder->dev;
1331         struct amdgpu_device *adev = drm_to_adev(dev);
1332         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1333         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1334         struct drm_connector *connector;
1335         struct drm_connector_list_iter iter;
1336         struct amdgpu_connector *amdgpu_connector = NULL;
1337         struct cea_sad *sads;
1338         int i, sad_count;
1339
1340         static const u16 eld_reg_to_type[][2] = {
1341                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1342                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1343                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1344                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1345                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1346                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1347                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1348                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1349                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1350                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1351                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1352                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1353         };
1354
1355         if (!dig || !dig->afmt || !dig->afmt->pin)
1356                 return;
1357
1358         drm_connector_list_iter_begin(dev, &iter);
1359         drm_for_each_connector_iter(connector, &iter) {
1360                 if (connector->encoder == encoder) {
1361                         amdgpu_connector = to_amdgpu_connector(connector);
1362                         break;
1363                 }
1364         }
1365         drm_connector_list_iter_end(&iter);
1366
1367         if (!amdgpu_connector) {
1368                 DRM_ERROR("Couldn't find encoder's connector\n");
1369                 return;
1370         }
1371
1372         sad_count = drm_edid_to_sad(amdgpu_connector->edid, &sads);
1373         if (sad_count < 0)
1374                 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1375         if (sad_count <= 0)
1376                 return;
1377         BUG_ON(!sads);
1378
1379         for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1380                 u32 tmp = 0;
1381                 u8 stereo_freqs = 0;
1382                 int max_channels = -1;
1383                 int j;
1384
1385                 for (j = 0; j < sad_count; j++) {
1386                         struct cea_sad *sad = &sads[j];
1387
1388                         if (sad->format == eld_reg_to_type[i][1]) {
1389                                 if (sad->channels > max_channels) {
1390                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1391                                                             MAX_CHANNELS, sad->channels);
1392                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1393                                                             DESCRIPTOR_BYTE_2, sad->byte2);
1394                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1395                                                             SUPPORTED_FREQUENCIES, sad->freq);
1396                                         max_channels = sad->channels;
1397                                 }
1398
1399                                 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1400                                         stereo_freqs |= sad->freq;
1401                                 else
1402                                         break;
1403                         }
1404                 }
1405
1406                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1407                                     SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1408                 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1409         }
1410
1411         kfree(sads);
1412 }
1413
1414 static void dce_v10_0_audio_enable(struct amdgpu_device *adev,
1415                                   struct amdgpu_audio_pin *pin,
1416                                   bool enable)
1417 {
1418         if (!pin)
1419                 return;
1420
1421         WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1422                            enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1423 }
1424
1425 static const u32 pin_offsets[] = {
1426         AUD0_REGISTER_OFFSET,
1427         AUD1_REGISTER_OFFSET,
1428         AUD2_REGISTER_OFFSET,
1429         AUD3_REGISTER_OFFSET,
1430         AUD4_REGISTER_OFFSET,
1431         AUD5_REGISTER_OFFSET,
1432         AUD6_REGISTER_OFFSET,
1433 };
1434
1435 static int dce_v10_0_audio_init(struct amdgpu_device *adev)
1436 {
1437         int i;
1438
1439         if (!amdgpu_audio)
1440                 return 0;
1441
1442         adev->mode_info.audio.enabled = true;
1443
1444         adev->mode_info.audio.num_pins = 7;
1445
1446         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1447                 adev->mode_info.audio.pin[i].channels = -1;
1448                 adev->mode_info.audio.pin[i].rate = -1;
1449                 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1450                 adev->mode_info.audio.pin[i].status_bits = 0;
1451                 adev->mode_info.audio.pin[i].category_code = 0;
1452                 adev->mode_info.audio.pin[i].connected = false;
1453                 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1454                 adev->mode_info.audio.pin[i].id = i;
1455                 /* disable audio.  it will be set up later */
1456                 /* XXX remove once we switch to ip funcs */
1457                 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1458         }
1459
1460         return 0;
1461 }
1462
1463 static void dce_v10_0_audio_fini(struct amdgpu_device *adev)
1464 {
1465         int i;
1466
1467         if (!amdgpu_audio)
1468                 return;
1469
1470         if (!adev->mode_info.audio.enabled)
1471                 return;
1472
1473         for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1474                 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1475
1476         adev->mode_info.audio.enabled = false;
1477 }
1478
1479 /*
1480  * update the N and CTS parameters for a given pixel clock rate
1481  */
1482 static void dce_v10_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1483 {
1484         struct drm_device *dev = encoder->dev;
1485         struct amdgpu_device *adev = drm_to_adev(dev);
1486         struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1487         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1488         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1489         u32 tmp;
1490
1491         tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1492         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1493         WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1494         tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1495         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1496         WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1497
1498         tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1499         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1500         WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1501         tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1502         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1503         WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1504
1505         tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1506         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1507         WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1508         tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1509         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1510         WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1511
1512 }
1513
1514 /*
1515  * build a HDMI Video Info Frame
1516  */
1517 static void dce_v10_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1518                                                void *buffer, size_t size)
1519 {
1520         struct drm_device *dev = encoder->dev;
1521         struct amdgpu_device *adev = drm_to_adev(dev);
1522         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1523         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1524         uint8_t *frame = buffer + 3;
1525         uint8_t *header = buffer;
1526
1527         WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1528                 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1529         WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1530                 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1531         WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1532                 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1533         WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1534                 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1535 }
1536
1537 static void dce_v10_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1538 {
1539         struct drm_device *dev = encoder->dev;
1540         struct amdgpu_device *adev = drm_to_adev(dev);
1541         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1542         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1543         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1544         u32 dto_phase = 24 * 1000;
1545         u32 dto_modulo = clock;
1546         u32 tmp;
1547
1548         if (!dig || !dig->afmt)
1549                 return;
1550
1551         /* XXX two dtos; generally use dto0 for hdmi */
1552         /* Express [24MHz / target pixel clock] as an exact rational
1553          * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1554          * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1555          */
1556         tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1557         tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1558                             amdgpu_crtc->crtc_id);
1559         WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1560         WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1561         WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1562 }
1563
1564 /*
1565  * update the info frames with the data from the current display mode
1566  */
1567 static void dce_v10_0_afmt_setmode(struct drm_encoder *encoder,
1568                                   struct drm_display_mode *mode)
1569 {
1570         struct drm_device *dev = encoder->dev;
1571         struct amdgpu_device *adev = drm_to_adev(dev);
1572         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1573         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1574         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1575         u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1576         struct hdmi_avi_infoframe frame;
1577         ssize_t err;
1578         u32 tmp;
1579         int bpc = 8;
1580
1581         if (!dig || !dig->afmt)
1582                 return;
1583
1584         /* Silent, r600_hdmi_enable will raise WARN for us */
1585         if (!dig->afmt->enabled)
1586                 return;
1587
1588         /* hdmi deep color mode general control packets setup, if bpc > 8 */
1589         if (encoder->crtc) {
1590                 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1591                 bpc = amdgpu_crtc->bpc;
1592         }
1593
1594         /* disable audio prior to setting up hw */
1595         dig->afmt->pin = dce_v10_0_audio_get_pin(adev);
1596         dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
1597
1598         dce_v10_0_audio_set_dto(encoder, mode->clock);
1599
1600         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1601         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1602         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1603
1604         WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1605
1606         tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1607         switch (bpc) {
1608         case 0:
1609         case 6:
1610         case 8:
1611         case 16:
1612         default:
1613                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1614                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1615                 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1616                           connector->name, bpc);
1617                 break;
1618         case 10:
1619                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1620                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1621                 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1622                           connector->name);
1623                 break;
1624         case 12:
1625                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1626                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1627                 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1628                           connector->name);
1629                 break;
1630         }
1631         WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1632
1633         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1634         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1635         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1636         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1637         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1638
1639         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1640         /* enable audio info frames (frames won't be set until audio is enabled) */
1641         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1642         /* required for audio info values to be updated */
1643         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1644         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1645
1646         tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1647         /* required for audio info values to be updated */
1648         tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1649         WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1650
1651         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1652         /* anything other than 0 */
1653         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1654         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1655
1656         WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1657
1658         tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1659         /* set the default audio delay */
1660         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1661         /* should be suffient for all audio modes and small enough for all hblanks */
1662         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1663         WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1664
1665         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1666         /* allow 60958 channel status fields to be updated */
1667         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1668         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1669
1670         tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1671         if (bpc > 8)
1672                 /* clear SW CTS value */
1673                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1674         else
1675                 /* select SW CTS value */
1676                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1677         /* allow hw to sent ACR packets when required */
1678         tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1679         WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1680
1681         dce_v10_0_afmt_update_ACR(encoder, mode->clock);
1682
1683         tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1684         tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1685         WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1686
1687         tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1688         tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1689         WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1690
1691         tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1692         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1693         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1694         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1695         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1696         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1697         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1698         WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1699
1700         dce_v10_0_audio_write_speaker_allocation(encoder);
1701
1702         WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1703                (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1704
1705         dce_v10_0_afmt_audio_select_pin(encoder);
1706         dce_v10_0_audio_write_sad_regs(encoder);
1707         dce_v10_0_audio_write_latency_fields(encoder, mode);
1708
1709         err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1710         if (err < 0) {
1711                 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1712                 return;
1713         }
1714
1715         err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1716         if (err < 0) {
1717                 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1718                 return;
1719         }
1720
1721         dce_v10_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1722
1723         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1724         /* enable AVI info frames */
1725         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1726         /* required for audio info values to be updated */
1727         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1728         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1729
1730         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1731         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1732         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1733
1734         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1735         /* send audio packets */
1736         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1737         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1738
1739         WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1740         WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1741         WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1742         WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1743
1744         /* enable audio after to setting up hw */
1745         dce_v10_0_audio_enable(adev, dig->afmt->pin, true);
1746 }
1747
1748 static void dce_v10_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1749 {
1750         struct drm_device *dev = encoder->dev;
1751         struct amdgpu_device *adev = drm_to_adev(dev);
1752         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1753         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1754
1755         if (!dig || !dig->afmt)
1756                 return;
1757
1758         /* Silent, r600_hdmi_enable will raise WARN for us */
1759         if (enable && dig->afmt->enabled)
1760                 return;
1761         if (!enable && !dig->afmt->enabled)
1762                 return;
1763
1764         if (!enable && dig->afmt->pin) {
1765                 dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
1766                 dig->afmt->pin = NULL;
1767         }
1768
1769         dig->afmt->enabled = enable;
1770
1771         DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1772                   enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1773 }
1774
1775 static int dce_v10_0_afmt_init(struct amdgpu_device *adev)
1776 {
1777         int i;
1778
1779         for (i = 0; i < adev->mode_info.num_dig; i++)
1780                 adev->mode_info.afmt[i] = NULL;
1781
1782         /* DCE10 has audio blocks tied to DIG encoders */
1783         for (i = 0; i < adev->mode_info.num_dig; i++) {
1784                 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1785                 if (adev->mode_info.afmt[i]) {
1786                         adev->mode_info.afmt[i]->offset = dig_offsets[i];
1787                         adev->mode_info.afmt[i]->id = i;
1788                 } else {
1789                         int j;
1790                         for (j = 0; j < i; j++) {
1791                                 kfree(adev->mode_info.afmt[j]);
1792                                 adev->mode_info.afmt[j] = NULL;
1793                         }
1794                         return -ENOMEM;
1795                 }
1796         }
1797         return 0;
1798 }
1799
1800 static void dce_v10_0_afmt_fini(struct amdgpu_device *adev)
1801 {
1802         int i;
1803
1804         for (i = 0; i < adev->mode_info.num_dig; i++) {
1805                 kfree(adev->mode_info.afmt[i]);
1806                 adev->mode_info.afmt[i] = NULL;
1807         }
1808 }
1809
1810 static const u32 vga_control_regs[6] = {
1811         mmD1VGA_CONTROL,
1812         mmD2VGA_CONTROL,
1813         mmD3VGA_CONTROL,
1814         mmD4VGA_CONTROL,
1815         mmD5VGA_CONTROL,
1816         mmD6VGA_CONTROL,
1817 };
1818
1819 static void dce_v10_0_vga_enable(struct drm_crtc *crtc, bool enable)
1820 {
1821         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1822         struct drm_device *dev = crtc->dev;
1823         struct amdgpu_device *adev = drm_to_adev(dev);
1824         u32 vga_control;
1825
1826         vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1827         if (enable)
1828                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1829         else
1830                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1831 }
1832
1833 static void dce_v10_0_grph_enable(struct drm_crtc *crtc, bool enable)
1834 {
1835         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1836         struct drm_device *dev = crtc->dev;
1837         struct amdgpu_device *adev = drm_to_adev(dev);
1838
1839         if (enable)
1840                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1841         else
1842                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1843 }
1844
1845 static int dce_v10_0_crtc_do_set_base(struct drm_crtc *crtc,
1846                                      struct drm_framebuffer *fb,
1847                                      int x, int y, int atomic)
1848 {
1849         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1850         struct drm_device *dev = crtc->dev;
1851         struct amdgpu_device *adev = drm_to_adev(dev);
1852         struct drm_framebuffer *target_fb;
1853         struct drm_gem_object *obj;
1854         struct amdgpu_bo *abo;
1855         uint64_t fb_location, tiling_flags;
1856         uint32_t fb_format, fb_pitch_pixels;
1857         u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1858         u32 pipe_config;
1859         u32 tmp, viewport_w, viewport_h;
1860         int r;
1861         bool bypass_lut = false;
1862
1863         /* no fb bound */
1864         if (!atomic && !crtc->primary->fb) {
1865                 DRM_DEBUG_KMS("No FB bound\n");
1866                 return 0;
1867         }
1868
1869         if (atomic)
1870                 target_fb = fb;
1871         else
1872                 target_fb = crtc->primary->fb;
1873
1874         /* If atomic, assume fb object is pinned & idle & fenced and
1875          * just update base pointers
1876          */
1877         obj = target_fb->obj[0];
1878         abo = gem_to_amdgpu_bo(obj);
1879         r = amdgpu_bo_reserve(abo, false);
1880         if (unlikely(r != 0))
1881                 return r;
1882
1883         if (!atomic) {
1884                 abo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
1885                 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1886                 if (unlikely(r != 0)) {
1887                         amdgpu_bo_unreserve(abo);
1888                         return -EINVAL;
1889                 }
1890         }
1891         fb_location = amdgpu_bo_gpu_offset(abo);
1892
1893         amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1894         amdgpu_bo_unreserve(abo);
1895
1896         pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1897
1898         switch (target_fb->format->format) {
1899         case DRM_FORMAT_C8:
1900                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1901                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1902                 break;
1903         case DRM_FORMAT_XRGB4444:
1904         case DRM_FORMAT_ARGB4444:
1905                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1906                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1907 #ifdef __BIG_ENDIAN
1908                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1909                                         ENDIAN_8IN16);
1910 #endif
1911                 break;
1912         case DRM_FORMAT_XRGB1555:
1913         case DRM_FORMAT_ARGB1555:
1914                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1915                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1916 #ifdef __BIG_ENDIAN
1917                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1918                                         ENDIAN_8IN16);
1919 #endif
1920                 break;
1921         case DRM_FORMAT_BGRX5551:
1922         case DRM_FORMAT_BGRA5551:
1923                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1924                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1925 #ifdef __BIG_ENDIAN
1926                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1927                                         ENDIAN_8IN16);
1928 #endif
1929                 break;
1930         case DRM_FORMAT_RGB565:
1931                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1932                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1933 #ifdef __BIG_ENDIAN
1934                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1935                                         ENDIAN_8IN16);
1936 #endif
1937                 break;
1938         case DRM_FORMAT_XRGB8888:
1939         case DRM_FORMAT_ARGB8888:
1940                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1941                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1942 #ifdef __BIG_ENDIAN
1943                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1944                                         ENDIAN_8IN32);
1945 #endif
1946                 break;
1947         case DRM_FORMAT_XRGB2101010:
1948         case DRM_FORMAT_ARGB2101010:
1949                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1950                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1951 #ifdef __BIG_ENDIAN
1952                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1953                                         ENDIAN_8IN32);
1954 #endif
1955                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1956                 bypass_lut = true;
1957                 break;
1958         case DRM_FORMAT_BGRX1010102:
1959         case DRM_FORMAT_BGRA1010102:
1960                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1961                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
1962 #ifdef __BIG_ENDIAN
1963                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1964                                         ENDIAN_8IN32);
1965 #endif
1966                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1967                 bypass_lut = true;
1968                 break;
1969         case DRM_FORMAT_XBGR8888:
1970         case DRM_FORMAT_ABGR8888:
1971                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1972                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1973                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
1974                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
1975 #ifdef __BIG_ENDIAN
1976                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1977                                         ENDIAN_8IN32);
1978 #endif
1979                 break;
1980         default:
1981                 DRM_ERROR("Unsupported screen format %p4cc\n",
1982                           &target_fb->format->format);
1983                 return -EINVAL;
1984         }
1985
1986         if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1987                 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1988
1989                 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1990                 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1991                 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1992                 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1993                 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1994
1995                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
1996                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
1997                                           ARRAY_2D_TILED_THIN1);
1998                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
1999                                           tile_split);
2000                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2001                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2002                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2003                                           mtaspect);
2004                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2005                                           ADDR_SURF_MICRO_TILING_DISPLAY);
2006         } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2007                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2008                                           ARRAY_1D_TILED_THIN1);
2009         }
2010
2011         fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2012                                   pipe_config);
2013
2014         dce_v10_0_vga_enable(crtc, false);
2015
2016         /* Make sure surface address is updated at vertical blank rather than
2017          * horizontal blank
2018          */
2019         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2020         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2021                             GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2022         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2023
2024         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2025                upper_32_bits(fb_location));
2026         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2027                upper_32_bits(fb_location));
2028         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2029                (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2030         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2031                (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2032         WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2033         WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2034
2035         /*
2036          * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2037          * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2038          * retain the full precision throughout the pipeline.
2039          */
2040         tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2041         if (bypass_lut)
2042                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2043         else
2044                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2045         WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2046
2047         if (bypass_lut)
2048                 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2049
2050         WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2051         WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2052         WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2053         WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2054         WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2055         WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2056
2057         fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2058         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2059
2060         dce_v10_0_grph_enable(crtc, true);
2061
2062         WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2063                target_fb->height);
2064
2065         x &= ~3;
2066         y &= ~1;
2067         WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2068                (x << 16) | y);
2069         viewport_w = crtc->mode.hdisplay;
2070         viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2071         WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2072                (viewport_w << 16) | viewport_h);
2073
2074         /* set pageflip to happen anywhere in vblank interval */
2075         WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2076
2077         if (!atomic && fb && fb != crtc->primary->fb) {
2078                 abo = gem_to_amdgpu_bo(fb->obj[0]);
2079                 r = amdgpu_bo_reserve(abo, true);
2080                 if (unlikely(r != 0))
2081                         return r;
2082                 amdgpu_bo_unpin(abo);
2083                 amdgpu_bo_unreserve(abo);
2084         }
2085
2086         /* Bytes per pixel may have changed */
2087         dce_v10_0_bandwidth_update(adev);
2088
2089         return 0;
2090 }
2091
2092 static void dce_v10_0_set_interleave(struct drm_crtc *crtc,
2093                                      struct drm_display_mode *mode)
2094 {
2095         struct drm_device *dev = crtc->dev;
2096         struct amdgpu_device *adev = drm_to_adev(dev);
2097         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2098         u32 tmp;
2099
2100         tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2101         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2102                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2103         else
2104                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2105         WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2106 }
2107
2108 static void dce_v10_0_crtc_load_lut(struct drm_crtc *crtc)
2109 {
2110         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2111         struct drm_device *dev = crtc->dev;
2112         struct amdgpu_device *adev = drm_to_adev(dev);
2113         u16 *r, *g, *b;
2114         int i;
2115         u32 tmp;
2116
2117         DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2118
2119         tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2120         tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2121         tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_OVL_MODE, 0);
2122         WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2123
2124         tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2125         tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2126         WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2127
2128         tmp = RREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset);
2129         tmp = REG_SET_FIELD(tmp, PRESCALE_OVL_CONTROL, OVL_PRESCALE_BYPASS, 1);
2130         WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2131
2132         tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2133         tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2134         tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, OVL_INPUT_GAMMA_MODE, 0);
2135         WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2136
2137         WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2138
2139         WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2140         WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2141         WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2142
2143         WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2144         WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2145         WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2146
2147         WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2148         WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2149
2150         WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2151         r = crtc->gamma_store;
2152         g = r + crtc->gamma_size;
2153         b = g + crtc->gamma_size;
2154         for (i = 0; i < 256; i++) {
2155                 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2156                        ((*r++ & 0xffc0) << 14) |
2157                        ((*g++ & 0xffc0) << 4) |
2158                        (*b++ >> 6));
2159         }
2160
2161         tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2162         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2163         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, OVL_DEGAMMA_MODE, 0);
2164         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2165         WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2166
2167         tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2168         tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2169         tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, OVL_GAMUT_REMAP_MODE, 0);
2170         WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2171
2172         tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2173         tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2174         tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, OVL_REGAMMA_MODE, 0);
2175         WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2176
2177         tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2178         tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2179         tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_OVL_MODE, 0);
2180         WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2181
2182         /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2183         WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2184         /* XXX this only needs to be programmed once per crtc at startup,
2185          * not sure where the best place for it is
2186          */
2187         tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2188         tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2189         WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2190 }
2191
2192 static int dce_v10_0_pick_dig_encoder(struct drm_encoder *encoder)
2193 {
2194         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2195         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2196
2197         switch (amdgpu_encoder->encoder_id) {
2198         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2199                 if (dig->linkb)
2200                         return 1;
2201                 else
2202                         return 0;
2203         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2204                 if (dig->linkb)
2205                         return 3;
2206                 else
2207                         return 2;
2208         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2209                 if (dig->linkb)
2210                         return 5;
2211                 else
2212                         return 4;
2213         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2214                 return 6;
2215         default:
2216                 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2217                 return 0;
2218         }
2219 }
2220
2221 /**
2222  * dce_v10_0_pick_pll - Allocate a PPLL for use by the crtc.
2223  *
2224  * @crtc: drm crtc
2225  *
2226  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2227  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2228  * monitors a dedicated PPLL must be used.  If a particular board has
2229  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2230  * as there is no need to program the PLL itself.  If we are not able to
2231  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2232  * avoid messing up an existing monitor.
2233  *
2234  * Asic specific PLL information
2235  *
2236  * DCE 10.x
2237  * Tonga
2238  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2239  * CI
2240  * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2241  *
2242  */
2243 static u32 dce_v10_0_pick_pll(struct drm_crtc *crtc)
2244 {
2245         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2246         struct drm_device *dev = crtc->dev;
2247         struct amdgpu_device *adev = drm_to_adev(dev);
2248         u32 pll_in_use;
2249         int pll;
2250
2251         if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2252                 if (adev->clock.dp_extclk)
2253                         /* skip PPLL programming if using ext clock */
2254                         return ATOM_PPLL_INVALID;
2255                 else {
2256                         /* use the same PPLL for all DP monitors */
2257                         pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2258                         if (pll != ATOM_PPLL_INVALID)
2259                                 return pll;
2260                 }
2261         } else {
2262                 /* use the same PPLL for all monitors with the same clock */
2263                 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2264                 if (pll != ATOM_PPLL_INVALID)
2265                         return pll;
2266         }
2267
2268         /* DCE10 has PPLL0, PPLL1, and PPLL2 */
2269         pll_in_use = amdgpu_pll_get_use_mask(crtc);
2270         if (!(pll_in_use & (1 << ATOM_PPLL2)))
2271                 return ATOM_PPLL2;
2272         if (!(pll_in_use & (1 << ATOM_PPLL1)))
2273                 return ATOM_PPLL1;
2274         if (!(pll_in_use & (1 << ATOM_PPLL0)))
2275                 return ATOM_PPLL0;
2276         DRM_ERROR("unable to allocate a PPLL\n");
2277         return ATOM_PPLL_INVALID;
2278 }
2279
2280 static void dce_v10_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2281 {
2282         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2283         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2284         uint32_t cur_lock;
2285
2286         cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2287         if (lock)
2288                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2289         else
2290                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2291         WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2292 }
2293
2294 static void dce_v10_0_hide_cursor(struct drm_crtc *crtc)
2295 {
2296         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2297         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2298         u32 tmp;
2299
2300         tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2301         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2302         WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2303 }
2304
2305 static void dce_v10_0_show_cursor(struct drm_crtc *crtc)
2306 {
2307         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2308         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2309         u32 tmp;
2310
2311         WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2312                upper_32_bits(amdgpu_crtc->cursor_addr));
2313         WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2314                lower_32_bits(amdgpu_crtc->cursor_addr));
2315
2316         tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2317         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2318         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2319         WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2320 }
2321
2322 static int dce_v10_0_cursor_move_locked(struct drm_crtc *crtc,
2323                                         int x, int y)
2324 {
2325         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2326         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2327         int xorigin = 0, yorigin = 0;
2328
2329         amdgpu_crtc->cursor_x = x;
2330         amdgpu_crtc->cursor_y = y;
2331
2332         /* avivo cursor are offset into the total surface */
2333         x += crtc->x;
2334         y += crtc->y;
2335         DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2336
2337         if (x < 0) {
2338                 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2339                 x = 0;
2340         }
2341         if (y < 0) {
2342                 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2343                 y = 0;
2344         }
2345
2346         WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2347         WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2348         WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2349                ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2350
2351         return 0;
2352 }
2353
2354 static int dce_v10_0_crtc_cursor_move(struct drm_crtc *crtc,
2355                                       int x, int y)
2356 {
2357         int ret;
2358
2359         dce_v10_0_lock_cursor(crtc, true);
2360         ret = dce_v10_0_cursor_move_locked(crtc, x, y);
2361         dce_v10_0_lock_cursor(crtc, false);
2362
2363         return ret;
2364 }
2365
2366 static int dce_v10_0_crtc_cursor_set2(struct drm_crtc *crtc,
2367                                       struct drm_file *file_priv,
2368                                       uint32_t handle,
2369                                       uint32_t width,
2370                                       uint32_t height,
2371                                       int32_t hot_x,
2372                                       int32_t hot_y)
2373 {
2374         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2375         struct drm_gem_object *obj;
2376         struct amdgpu_bo *aobj;
2377         int ret;
2378
2379         if (!handle) {
2380                 /* turn off cursor */
2381                 dce_v10_0_hide_cursor(crtc);
2382                 obj = NULL;
2383                 goto unpin;
2384         }
2385
2386         if ((width > amdgpu_crtc->max_cursor_width) ||
2387             (height > amdgpu_crtc->max_cursor_height)) {
2388                 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2389                 return -EINVAL;
2390         }
2391
2392         obj = drm_gem_object_lookup(file_priv, handle);
2393         if (!obj) {
2394                 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2395                 return -ENOENT;
2396         }
2397
2398         aobj = gem_to_amdgpu_bo(obj);
2399         ret = amdgpu_bo_reserve(aobj, false);
2400         if (ret != 0) {
2401                 drm_gem_object_put(obj);
2402                 return ret;
2403         }
2404
2405         aobj->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
2406         ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2407         amdgpu_bo_unreserve(aobj);
2408         if (ret) {
2409                 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2410                 drm_gem_object_put(obj);
2411                 return ret;
2412         }
2413         amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2414
2415         dce_v10_0_lock_cursor(crtc, true);
2416
2417         if (width != amdgpu_crtc->cursor_width ||
2418             height != amdgpu_crtc->cursor_height ||
2419             hot_x != amdgpu_crtc->cursor_hot_x ||
2420             hot_y != amdgpu_crtc->cursor_hot_y) {
2421                 int x, y;
2422
2423                 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2424                 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2425
2426                 dce_v10_0_cursor_move_locked(crtc, x, y);
2427
2428                 amdgpu_crtc->cursor_width = width;
2429                 amdgpu_crtc->cursor_height = height;
2430                 amdgpu_crtc->cursor_hot_x = hot_x;
2431                 amdgpu_crtc->cursor_hot_y = hot_y;
2432         }
2433
2434         dce_v10_0_show_cursor(crtc);
2435         dce_v10_0_lock_cursor(crtc, false);
2436
2437 unpin:
2438         if (amdgpu_crtc->cursor_bo) {
2439                 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2440                 ret = amdgpu_bo_reserve(aobj, true);
2441                 if (likely(ret == 0)) {
2442                         amdgpu_bo_unpin(aobj);
2443                         amdgpu_bo_unreserve(aobj);
2444                 }
2445                 drm_gem_object_put(amdgpu_crtc->cursor_bo);
2446         }
2447
2448         amdgpu_crtc->cursor_bo = obj;
2449         return 0;
2450 }
2451
2452 static void dce_v10_0_cursor_reset(struct drm_crtc *crtc)
2453 {
2454         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2455
2456         if (amdgpu_crtc->cursor_bo) {
2457                 dce_v10_0_lock_cursor(crtc, true);
2458
2459                 dce_v10_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2460                                              amdgpu_crtc->cursor_y);
2461
2462                 dce_v10_0_show_cursor(crtc);
2463
2464                 dce_v10_0_lock_cursor(crtc, false);
2465         }
2466 }
2467
2468 static int dce_v10_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2469                                     u16 *blue, uint32_t size,
2470                                     struct drm_modeset_acquire_ctx *ctx)
2471 {
2472         dce_v10_0_crtc_load_lut(crtc);
2473
2474         return 0;
2475 }
2476
2477 static void dce_v10_0_crtc_destroy(struct drm_crtc *crtc)
2478 {
2479         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2480
2481         drm_crtc_cleanup(crtc);
2482         kfree(amdgpu_crtc);
2483 }
2484
2485 static const struct drm_crtc_funcs dce_v10_0_crtc_funcs = {
2486         .cursor_set2 = dce_v10_0_crtc_cursor_set2,
2487         .cursor_move = dce_v10_0_crtc_cursor_move,
2488         .gamma_set = dce_v10_0_crtc_gamma_set,
2489         .set_config = amdgpu_display_crtc_set_config,
2490         .destroy = dce_v10_0_crtc_destroy,
2491         .page_flip_target = amdgpu_display_crtc_page_flip_target,
2492         .get_vblank_counter = amdgpu_get_vblank_counter_kms,
2493         .enable_vblank = amdgpu_enable_vblank_kms,
2494         .disable_vblank = amdgpu_disable_vblank_kms,
2495         .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2496 };
2497
2498 static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2499 {
2500         struct drm_device *dev = crtc->dev;
2501         struct amdgpu_device *adev = drm_to_adev(dev);
2502         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2503         unsigned type;
2504
2505         switch (mode) {
2506         case DRM_MODE_DPMS_ON:
2507                 amdgpu_crtc->enabled = true;
2508                 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2509                 dce_v10_0_vga_enable(crtc, true);
2510                 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2511                 dce_v10_0_vga_enable(crtc, false);
2512                 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2513                 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2514                                                 amdgpu_crtc->crtc_id);
2515                 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2516                 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2517                 drm_crtc_vblank_on(crtc);
2518                 dce_v10_0_crtc_load_lut(crtc);
2519                 break;
2520         case DRM_MODE_DPMS_STANDBY:
2521         case DRM_MODE_DPMS_SUSPEND:
2522         case DRM_MODE_DPMS_OFF:
2523                 drm_crtc_vblank_off(crtc);
2524                 if (amdgpu_crtc->enabled) {
2525                         dce_v10_0_vga_enable(crtc, true);
2526                         amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2527                         dce_v10_0_vga_enable(crtc, false);
2528                 }
2529                 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2530                 amdgpu_crtc->enabled = false;
2531                 break;
2532         }
2533         /* adjust pm to dpms */
2534         amdgpu_dpm_compute_clocks(adev);
2535 }
2536
2537 static void dce_v10_0_crtc_prepare(struct drm_crtc *crtc)
2538 {
2539         /* disable crtc pair power gating before programming */
2540         amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2541         amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2542         dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2543 }
2544
2545 static void dce_v10_0_crtc_commit(struct drm_crtc *crtc)
2546 {
2547         dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2548         amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2549 }
2550
2551 static void dce_v10_0_crtc_disable(struct drm_crtc *crtc)
2552 {
2553         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2554         struct drm_device *dev = crtc->dev;
2555         struct amdgpu_device *adev = drm_to_adev(dev);
2556         struct amdgpu_atom_ss ss;
2557         int i;
2558
2559         dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2560         if (crtc->primary->fb) {
2561                 int r;
2562                 struct amdgpu_bo *abo;
2563
2564                 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2565                 r = amdgpu_bo_reserve(abo, true);
2566                 if (unlikely(r))
2567                         DRM_ERROR("failed to reserve abo before unpin\n");
2568                 else {
2569                         amdgpu_bo_unpin(abo);
2570                         amdgpu_bo_unreserve(abo);
2571                 }
2572         }
2573         /* disable the GRPH */
2574         dce_v10_0_grph_enable(crtc, false);
2575
2576         amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2577
2578         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2579                 if (adev->mode_info.crtcs[i] &&
2580                     adev->mode_info.crtcs[i]->enabled &&
2581                     i != amdgpu_crtc->crtc_id &&
2582                     amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2583                         /* one other crtc is using this pll don't turn
2584                          * off the pll
2585                          */
2586                         goto done;
2587                 }
2588         }
2589
2590         switch (amdgpu_crtc->pll_id) {
2591         case ATOM_PPLL0:
2592         case ATOM_PPLL1:
2593         case ATOM_PPLL2:
2594                 /* disable the ppll */
2595                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2596                                           0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2597                 break;
2598         default:
2599                 break;
2600         }
2601 done:
2602         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2603         amdgpu_crtc->adjusted_clock = 0;
2604         amdgpu_crtc->encoder = NULL;
2605         amdgpu_crtc->connector = NULL;
2606 }
2607
2608 static int dce_v10_0_crtc_mode_set(struct drm_crtc *crtc,
2609                                   struct drm_display_mode *mode,
2610                                   struct drm_display_mode *adjusted_mode,
2611                                   int x, int y, struct drm_framebuffer *old_fb)
2612 {
2613         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2614
2615         if (!amdgpu_crtc->adjusted_clock)
2616                 return -EINVAL;
2617
2618         amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2619         amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2620         dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2621         amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2622         amdgpu_atombios_crtc_scaler_setup(crtc);
2623         dce_v10_0_cursor_reset(crtc);
2624         /* update the hw version fpr dpm */
2625         amdgpu_crtc->hw_mode = *adjusted_mode;
2626
2627         return 0;
2628 }
2629
2630 static bool dce_v10_0_crtc_mode_fixup(struct drm_crtc *crtc,
2631                                      const struct drm_display_mode *mode,
2632                                      struct drm_display_mode *adjusted_mode)
2633 {
2634         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2635         struct drm_device *dev = crtc->dev;
2636         struct drm_encoder *encoder;
2637
2638         /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2639         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2640                 if (encoder->crtc == crtc) {
2641                         amdgpu_crtc->encoder = encoder;
2642                         amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2643                         break;
2644                 }
2645         }
2646         if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2647                 amdgpu_crtc->encoder = NULL;
2648                 amdgpu_crtc->connector = NULL;
2649                 return false;
2650         }
2651         if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2652                 return false;
2653         if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2654                 return false;
2655         /* pick pll */
2656         amdgpu_crtc->pll_id = dce_v10_0_pick_pll(crtc);
2657         /* if we can't get a PPLL for a non-DP encoder, fail */
2658         if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2659             !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2660                 return false;
2661
2662         return true;
2663 }
2664
2665 static int dce_v10_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2666                                   struct drm_framebuffer *old_fb)
2667 {
2668         return dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2669 }
2670
2671 static int dce_v10_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2672                                          struct drm_framebuffer *fb,
2673                                          int x, int y, enum mode_set_atomic state)
2674 {
2675         return dce_v10_0_crtc_do_set_base(crtc, fb, x, y, 1);
2676 }
2677
2678 static const struct drm_crtc_helper_funcs dce_v10_0_crtc_helper_funcs = {
2679         .dpms = dce_v10_0_crtc_dpms,
2680         .mode_fixup = dce_v10_0_crtc_mode_fixup,
2681         .mode_set = dce_v10_0_crtc_mode_set,
2682         .mode_set_base = dce_v10_0_crtc_set_base,
2683         .mode_set_base_atomic = dce_v10_0_crtc_set_base_atomic,
2684         .prepare = dce_v10_0_crtc_prepare,
2685         .commit = dce_v10_0_crtc_commit,
2686         .disable = dce_v10_0_crtc_disable,
2687         .get_scanout_position = amdgpu_crtc_get_scanout_position,
2688 };
2689
2690 static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index)
2691 {
2692         struct amdgpu_crtc *amdgpu_crtc;
2693
2694         amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2695                               (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2696         if (amdgpu_crtc == NULL)
2697                 return -ENOMEM;
2698
2699         drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v10_0_crtc_funcs);
2700
2701         drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2702         amdgpu_crtc->crtc_id = index;
2703         adev->mode_info.crtcs[index] = amdgpu_crtc;
2704
2705         amdgpu_crtc->max_cursor_width = 128;
2706         amdgpu_crtc->max_cursor_height = 128;
2707         adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2708         adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2709
2710         switch (amdgpu_crtc->crtc_id) {
2711         case 0:
2712         default:
2713                 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2714                 break;
2715         case 1:
2716                 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2717                 break;
2718         case 2:
2719                 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2720                 break;
2721         case 3:
2722                 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2723                 break;
2724         case 4:
2725                 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2726                 break;
2727         case 5:
2728                 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2729                 break;
2730         }
2731
2732         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2733         amdgpu_crtc->adjusted_clock = 0;
2734         amdgpu_crtc->encoder = NULL;
2735         amdgpu_crtc->connector = NULL;
2736         drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v10_0_crtc_helper_funcs);
2737
2738         return 0;
2739 }
2740
2741 static int dce_v10_0_early_init(void *handle)
2742 {
2743         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2744
2745         adev->audio_endpt_rreg = &dce_v10_0_audio_endpt_rreg;
2746         adev->audio_endpt_wreg = &dce_v10_0_audio_endpt_wreg;
2747
2748         dce_v10_0_set_display_funcs(adev);
2749
2750         adev->mode_info.num_crtc = dce_v10_0_get_num_crtc(adev);
2751
2752         switch (adev->asic_type) {
2753         case CHIP_FIJI:
2754         case CHIP_TONGA:
2755                 adev->mode_info.num_hpd = 6;
2756                 adev->mode_info.num_dig = 7;
2757                 break;
2758         default:
2759                 /* FIXME: not supported yet */
2760                 return -EINVAL;
2761         }
2762
2763         dce_v10_0_set_irq_funcs(adev);
2764
2765         return 0;
2766 }
2767
2768 static int dce_v10_0_sw_init(void *handle)
2769 {
2770         int r, i;
2771         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2772
2773         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2774                 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2775                 if (r)
2776                         return r;
2777         }
2778
2779         for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2780                 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2781                 if (r)
2782                         return r;
2783         }
2784
2785         /* HPD hotplug */
2786         r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2787         if (r)
2788                 return r;
2789
2790         adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2791
2792         adev_to_drm(adev)->mode_config.async_page_flip = true;
2793
2794         adev_to_drm(adev)->mode_config.max_width = 16384;
2795         adev_to_drm(adev)->mode_config.max_height = 16384;
2796
2797         adev_to_drm(adev)->mode_config.preferred_depth = 24;
2798         adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2799
2800         adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2801
2802         r = amdgpu_display_modeset_create_props(adev);
2803         if (r)
2804                 return r;
2805
2806         adev_to_drm(adev)->mode_config.max_width = 16384;
2807         adev_to_drm(adev)->mode_config.max_height = 16384;
2808
2809         /* allocate crtcs */
2810         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2811                 r = dce_v10_0_crtc_init(adev, i);
2812                 if (r)
2813                         return r;
2814         }
2815
2816         if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2817                 amdgpu_display_print_display_setup(adev_to_drm(adev));
2818         else
2819                 return -EINVAL;
2820
2821         /* setup afmt */
2822         r = dce_v10_0_afmt_init(adev);
2823         if (r)
2824                 return r;
2825
2826         r = dce_v10_0_audio_init(adev);
2827         if (r)
2828                 return r;
2829
2830         /* Disable vblank IRQs aggressively for power-saving */
2831         /* XXX: can this be enabled for DC? */
2832         adev_to_drm(adev)->vblank_disable_immediate = true;
2833
2834         r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2835         if (r)
2836                 return r;
2837
2838         INIT_DELAYED_WORK(&adev->hotplug_work,
2839                   amdgpu_display_hotplug_work_func);
2840
2841         drm_kms_helper_poll_init(adev_to_drm(adev));
2842
2843         adev->mode_info.mode_config_initialized = true;
2844         return 0;
2845 }
2846
2847 static int dce_v10_0_sw_fini(void *handle)
2848 {
2849         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2850
2851         drm_edid_free(adev->mode_info.bios_hardcoded_edid);
2852
2853         drm_kms_helper_poll_fini(adev_to_drm(adev));
2854
2855         dce_v10_0_audio_fini(adev);
2856
2857         dce_v10_0_afmt_fini(adev);
2858
2859         drm_mode_config_cleanup(adev_to_drm(adev));
2860         adev->mode_info.mode_config_initialized = false;
2861
2862         return 0;
2863 }
2864
2865 static int dce_v10_0_hw_init(void *handle)
2866 {
2867         int i;
2868         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2869
2870         dce_v10_0_init_golden_registers(adev);
2871
2872         /* disable vga render */
2873         dce_v10_0_set_vga_render_state(adev, false);
2874         /* init dig PHYs, disp eng pll */
2875         amdgpu_atombios_encoder_init_dig(adev);
2876         amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2877
2878         /* initialize hpd */
2879         dce_v10_0_hpd_init(adev);
2880
2881         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2882                 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2883         }
2884
2885         dce_v10_0_pageflip_interrupt_init(adev);
2886
2887         return 0;
2888 }
2889
2890 static int dce_v10_0_hw_fini(void *handle)
2891 {
2892         int i;
2893         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2894
2895         dce_v10_0_hpd_fini(adev);
2896
2897         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2898                 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2899         }
2900
2901         dce_v10_0_pageflip_interrupt_fini(adev);
2902
2903         flush_delayed_work(&adev->hotplug_work);
2904
2905         return 0;
2906 }
2907
2908 static int dce_v10_0_suspend(void *handle)
2909 {
2910         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2911         int r;
2912
2913         r = amdgpu_display_suspend_helper(adev);
2914         if (r)
2915                 return r;
2916
2917         adev->mode_info.bl_level =
2918                 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2919
2920         return dce_v10_0_hw_fini(handle);
2921 }
2922
2923 static int dce_v10_0_resume(void *handle)
2924 {
2925         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2926         int ret;
2927
2928         amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2929                                                            adev->mode_info.bl_level);
2930
2931         ret = dce_v10_0_hw_init(handle);
2932
2933         /* turn on the BL */
2934         if (adev->mode_info.bl_encoder) {
2935                 u8 bl_level = amdgpu_display_backlight_get_level(adev,
2936                                                                   adev->mode_info.bl_encoder);
2937                 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2938                                                     bl_level);
2939         }
2940         if (ret)
2941                 return ret;
2942
2943         return amdgpu_display_resume_helper(adev);
2944 }
2945
2946 static bool dce_v10_0_is_idle(void *handle)
2947 {
2948         return true;
2949 }
2950
2951 static int dce_v10_0_wait_for_idle(void *handle)
2952 {
2953         return 0;
2954 }
2955
2956 static bool dce_v10_0_check_soft_reset(void *handle)
2957 {
2958         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2959
2960         return dce_v10_0_is_display_hung(adev);
2961 }
2962
2963 static int dce_v10_0_soft_reset(void *handle)
2964 {
2965         u32 srbm_soft_reset = 0, tmp;
2966         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2967
2968         if (dce_v10_0_is_display_hung(adev))
2969                 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
2970
2971         if (srbm_soft_reset) {
2972                 tmp = RREG32(mmSRBM_SOFT_RESET);
2973                 tmp |= srbm_soft_reset;
2974                 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
2975                 WREG32(mmSRBM_SOFT_RESET, tmp);
2976                 tmp = RREG32(mmSRBM_SOFT_RESET);
2977
2978                 udelay(50);
2979
2980                 tmp &= ~srbm_soft_reset;
2981                 WREG32(mmSRBM_SOFT_RESET, tmp);
2982                 tmp = RREG32(mmSRBM_SOFT_RESET);
2983
2984                 /* Wait a little for things to settle down */
2985                 udelay(50);
2986         }
2987         return 0;
2988 }
2989
2990 static void dce_v10_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2991                                                      int crtc,
2992                                                      enum amdgpu_interrupt_state state)
2993 {
2994         u32 lb_interrupt_mask;
2995
2996         if (crtc >= adev->mode_info.num_crtc) {
2997                 DRM_DEBUG("invalid crtc %d\n", crtc);
2998                 return;
2999         }
3000
3001         switch (state) {
3002         case AMDGPU_IRQ_STATE_DISABLE:
3003                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3004                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3005                                                   VBLANK_INTERRUPT_MASK, 0);
3006                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3007                 break;
3008         case AMDGPU_IRQ_STATE_ENABLE:
3009                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3010                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3011                                                   VBLANK_INTERRUPT_MASK, 1);
3012                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3013                 break;
3014         default:
3015                 break;
3016         }
3017 }
3018
3019 static void dce_v10_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3020                                                     int crtc,
3021                                                     enum amdgpu_interrupt_state state)
3022 {
3023         u32 lb_interrupt_mask;
3024
3025         if (crtc >= adev->mode_info.num_crtc) {
3026                 DRM_DEBUG("invalid crtc %d\n", crtc);
3027                 return;
3028         }
3029
3030         switch (state) {
3031         case AMDGPU_IRQ_STATE_DISABLE:
3032                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3033                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3034                                                   VLINE_INTERRUPT_MASK, 0);
3035                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3036                 break;
3037         case AMDGPU_IRQ_STATE_ENABLE:
3038                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3039                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3040                                                   VLINE_INTERRUPT_MASK, 1);
3041                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3042                 break;
3043         default:
3044                 break;
3045         }
3046 }
3047
3048 static int dce_v10_0_set_hpd_irq_state(struct amdgpu_device *adev,
3049                                        struct amdgpu_irq_src *source,
3050                                        unsigned hpd,
3051                                        enum amdgpu_interrupt_state state)
3052 {
3053         u32 tmp;
3054
3055         if (hpd >= adev->mode_info.num_hpd) {
3056                 DRM_DEBUG("invalid hdp %d\n", hpd);
3057                 return 0;
3058         }
3059
3060         switch (state) {
3061         case AMDGPU_IRQ_STATE_DISABLE:
3062                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3063                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3064                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3065                 break;
3066         case AMDGPU_IRQ_STATE_ENABLE:
3067                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3068                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3069                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3070                 break;
3071         default:
3072                 break;
3073         }
3074
3075         return 0;
3076 }
3077
3078 static int dce_v10_0_set_crtc_irq_state(struct amdgpu_device *adev,
3079                                         struct amdgpu_irq_src *source,
3080                                         unsigned type,
3081                                         enum amdgpu_interrupt_state state)
3082 {
3083         switch (type) {
3084         case AMDGPU_CRTC_IRQ_VBLANK1:
3085                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3086                 break;
3087         case AMDGPU_CRTC_IRQ_VBLANK2:
3088                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3089                 break;
3090         case AMDGPU_CRTC_IRQ_VBLANK3:
3091                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3092                 break;
3093         case AMDGPU_CRTC_IRQ_VBLANK4:
3094                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3095                 break;
3096         case AMDGPU_CRTC_IRQ_VBLANK5:
3097                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3098                 break;
3099         case AMDGPU_CRTC_IRQ_VBLANK6:
3100                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3101                 break;
3102         case AMDGPU_CRTC_IRQ_VLINE1:
3103                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 0, state);
3104                 break;
3105         case AMDGPU_CRTC_IRQ_VLINE2:
3106                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 1, state);
3107                 break;
3108         case AMDGPU_CRTC_IRQ_VLINE3:
3109                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 2, state);
3110                 break;
3111         case AMDGPU_CRTC_IRQ_VLINE4:
3112                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 3, state);
3113                 break;
3114         case AMDGPU_CRTC_IRQ_VLINE5:
3115                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 4, state);
3116                 break;
3117         case AMDGPU_CRTC_IRQ_VLINE6:
3118                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 5, state);
3119                 break;
3120         default:
3121                 break;
3122         }
3123         return 0;
3124 }
3125
3126 static int dce_v10_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3127                                             struct amdgpu_irq_src *src,
3128                                             unsigned type,
3129                                             enum amdgpu_interrupt_state state)
3130 {
3131         u32 reg;
3132
3133         if (type >= adev->mode_info.num_crtc) {
3134                 DRM_ERROR("invalid pageflip crtc %d\n", type);
3135                 return -EINVAL;
3136         }
3137
3138         reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3139         if (state == AMDGPU_IRQ_STATE_DISABLE)
3140                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3141                        reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3142         else
3143                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3144                        reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3145
3146         return 0;
3147 }
3148
3149 static int dce_v10_0_pageflip_irq(struct amdgpu_device *adev,
3150                                   struct amdgpu_irq_src *source,
3151                                   struct amdgpu_iv_entry *entry)
3152 {
3153         unsigned long flags;
3154         unsigned crtc_id;
3155         struct amdgpu_crtc *amdgpu_crtc;
3156         struct amdgpu_flip_work *works;
3157
3158         crtc_id = (entry->src_id - 8) >> 1;
3159         amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3160
3161         if (crtc_id >= adev->mode_info.num_crtc) {
3162                 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3163                 return -EINVAL;
3164         }
3165
3166         if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3167             GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3168                 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3169                        GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3170
3171         /* IRQ could occur when in initial stage */
3172         if (amdgpu_crtc == NULL)
3173                 return 0;
3174
3175         spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3176         works = amdgpu_crtc->pflip_works;
3177         if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) {
3178                 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3179                                                  "AMDGPU_FLIP_SUBMITTED(%d)\n",
3180                                                  amdgpu_crtc->pflip_status,
3181                                                  AMDGPU_FLIP_SUBMITTED);
3182                 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3183                 return 0;
3184         }
3185
3186         /* page flip completed. clean up */
3187         amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3188         amdgpu_crtc->pflip_works = NULL;
3189
3190         /* wakeup usersapce */
3191         if (works->event)
3192                 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3193
3194         spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3195
3196         drm_crtc_vblank_put(&amdgpu_crtc->base);
3197         schedule_work(&works->unpin_work);
3198
3199         return 0;
3200 }
3201
3202 static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev,
3203                                   int hpd)
3204 {
3205         u32 tmp;
3206
3207         if (hpd >= adev->mode_info.num_hpd) {
3208                 DRM_DEBUG("invalid hdp %d\n", hpd);
3209                 return;
3210         }
3211
3212         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3213         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3214         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3215 }
3216
3217 static void dce_v10_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3218                                           int crtc)
3219 {
3220         u32 tmp;
3221
3222         if (crtc >= adev->mode_info.num_crtc) {
3223                 DRM_DEBUG("invalid crtc %d\n", crtc);
3224                 return;
3225         }
3226
3227         tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3228         tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3229         WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3230 }
3231
3232 static void dce_v10_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3233                                          int crtc)
3234 {
3235         u32 tmp;
3236
3237         if (crtc >= adev->mode_info.num_crtc) {
3238                 DRM_DEBUG("invalid crtc %d\n", crtc);
3239                 return;
3240         }
3241
3242         tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3243         tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3244         WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3245 }
3246
3247 static int dce_v10_0_crtc_irq(struct amdgpu_device *adev,
3248                               struct amdgpu_irq_src *source,
3249                               struct amdgpu_iv_entry *entry)
3250 {
3251         unsigned crtc = entry->src_id - 1;
3252         uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3253         unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev, crtc);
3254
3255         switch (entry->src_data[0]) {
3256         case 0: /* vblank */
3257                 if (disp_int & interrupt_status_offsets[crtc].vblank)
3258                         dce_v10_0_crtc_vblank_int_ack(adev, crtc);
3259                 else
3260                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3261
3262                 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3263                         drm_handle_vblank(adev_to_drm(adev), crtc);
3264                 }
3265                 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3266
3267                 break;
3268         case 1: /* vline */
3269                 if (disp_int & interrupt_status_offsets[crtc].vline)
3270                         dce_v10_0_crtc_vline_int_ack(adev, crtc);
3271                 else
3272                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3273
3274                 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3275
3276                 break;
3277         default:
3278                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3279                 break;
3280         }
3281
3282         return 0;
3283 }
3284
3285 static int dce_v10_0_hpd_irq(struct amdgpu_device *adev,
3286                              struct amdgpu_irq_src *source,
3287                              struct amdgpu_iv_entry *entry)
3288 {
3289         uint32_t disp_int, mask;
3290         unsigned hpd;
3291
3292         if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3293                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3294                 return 0;
3295         }
3296
3297         hpd = entry->src_data[0];
3298         disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3299         mask = interrupt_status_offsets[hpd].hpd;
3300
3301         if (disp_int & mask) {
3302                 dce_v10_0_hpd_int_ack(adev, hpd);
3303                 schedule_delayed_work(&adev->hotplug_work, 0);
3304                 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3305         }
3306
3307         return 0;
3308 }
3309
3310 static int dce_v10_0_set_clockgating_state(void *handle,
3311                                           enum amd_clockgating_state state)
3312 {
3313         return 0;
3314 }
3315
3316 static int dce_v10_0_set_powergating_state(void *handle,
3317                                           enum amd_powergating_state state)
3318 {
3319         return 0;
3320 }
3321
3322 static const struct amd_ip_funcs dce_v10_0_ip_funcs = {
3323         .name = "dce_v10_0",
3324         .early_init = dce_v10_0_early_init,
3325         .late_init = NULL,
3326         .sw_init = dce_v10_0_sw_init,
3327         .sw_fini = dce_v10_0_sw_fini,
3328         .hw_init = dce_v10_0_hw_init,
3329         .hw_fini = dce_v10_0_hw_fini,
3330         .suspend = dce_v10_0_suspend,
3331         .resume = dce_v10_0_resume,
3332         .is_idle = dce_v10_0_is_idle,
3333         .wait_for_idle = dce_v10_0_wait_for_idle,
3334         .check_soft_reset = dce_v10_0_check_soft_reset,
3335         .soft_reset = dce_v10_0_soft_reset,
3336         .set_clockgating_state = dce_v10_0_set_clockgating_state,
3337         .set_powergating_state = dce_v10_0_set_powergating_state,
3338         .dump_ip_state = NULL,
3339         .print_ip_state = NULL,
3340 };
3341
3342 static void
3343 dce_v10_0_encoder_mode_set(struct drm_encoder *encoder,
3344                           struct drm_display_mode *mode,
3345                           struct drm_display_mode *adjusted_mode)
3346 {
3347         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3348
3349         amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3350
3351         /* need to call this here rather than in prepare() since we need some crtc info */
3352         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3353
3354         /* set scaler clears this on some chips */
3355         dce_v10_0_set_interleave(encoder->crtc, mode);
3356
3357         if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3358                 dce_v10_0_afmt_enable(encoder, true);
3359                 dce_v10_0_afmt_setmode(encoder, adjusted_mode);
3360         }
3361 }
3362
3363 static void dce_v10_0_encoder_prepare(struct drm_encoder *encoder)
3364 {
3365         struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3366         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3367         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3368
3369         if ((amdgpu_encoder->active_device &
3370              (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3371             (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3372              ENCODER_OBJECT_ID_NONE)) {
3373                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3374                 if (dig) {
3375                         dig->dig_encoder = dce_v10_0_pick_dig_encoder(encoder);
3376                         if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3377                                 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3378                 }
3379         }
3380
3381         amdgpu_atombios_scratch_regs_lock(adev, true);
3382
3383         if (connector) {
3384                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3385
3386                 /* select the clock/data port if it uses a router */
3387                 if (amdgpu_connector->router.cd_valid)
3388                         amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3389
3390                 /* turn eDP panel on for mode set */
3391                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3392                         amdgpu_atombios_encoder_set_edp_panel_power(connector,
3393                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
3394         }
3395
3396         /* this is needed for the pll/ss setup to work correctly in some cases */
3397         amdgpu_atombios_encoder_set_crtc_source(encoder);
3398         /* set up the FMT blocks */
3399         dce_v10_0_program_fmt(encoder);
3400 }
3401
3402 static void dce_v10_0_encoder_commit(struct drm_encoder *encoder)
3403 {
3404         struct drm_device *dev = encoder->dev;
3405         struct amdgpu_device *adev = drm_to_adev(dev);
3406
3407         /* need to call this here as we need the crtc set up */
3408         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3409         amdgpu_atombios_scratch_regs_lock(adev, false);
3410 }
3411
3412 static void dce_v10_0_encoder_disable(struct drm_encoder *encoder)
3413 {
3414         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3415         struct amdgpu_encoder_atom_dig *dig;
3416
3417         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3418
3419         if (amdgpu_atombios_encoder_is_digital(encoder)) {
3420                 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3421                         dce_v10_0_afmt_enable(encoder, false);
3422                 dig = amdgpu_encoder->enc_priv;
3423                 dig->dig_encoder = -1;
3424         }
3425         amdgpu_encoder->active_device = 0;
3426 }
3427
3428 /* these are handled by the primary encoders */
3429 static void dce_v10_0_ext_prepare(struct drm_encoder *encoder)
3430 {
3431
3432 }
3433
3434 static void dce_v10_0_ext_commit(struct drm_encoder *encoder)
3435 {
3436
3437 }
3438
3439 static void
3440 dce_v10_0_ext_mode_set(struct drm_encoder *encoder,
3441                       struct drm_display_mode *mode,
3442                       struct drm_display_mode *adjusted_mode)
3443 {
3444
3445 }
3446
3447 static void dce_v10_0_ext_disable(struct drm_encoder *encoder)
3448 {
3449
3450 }
3451
3452 static void
3453 dce_v10_0_ext_dpms(struct drm_encoder *encoder, int mode)
3454 {
3455
3456 }
3457
3458 static const struct drm_encoder_helper_funcs dce_v10_0_ext_helper_funcs = {
3459         .dpms = dce_v10_0_ext_dpms,
3460         .prepare = dce_v10_0_ext_prepare,
3461         .mode_set = dce_v10_0_ext_mode_set,
3462         .commit = dce_v10_0_ext_commit,
3463         .disable = dce_v10_0_ext_disable,
3464         /* no detect for TMDS/LVDS yet */
3465 };
3466
3467 static const struct drm_encoder_helper_funcs dce_v10_0_dig_helper_funcs = {
3468         .dpms = amdgpu_atombios_encoder_dpms,
3469         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3470         .prepare = dce_v10_0_encoder_prepare,
3471         .mode_set = dce_v10_0_encoder_mode_set,
3472         .commit = dce_v10_0_encoder_commit,
3473         .disable = dce_v10_0_encoder_disable,
3474         .detect = amdgpu_atombios_encoder_dig_detect,
3475 };
3476
3477 static const struct drm_encoder_helper_funcs dce_v10_0_dac_helper_funcs = {
3478         .dpms = amdgpu_atombios_encoder_dpms,
3479         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3480         .prepare = dce_v10_0_encoder_prepare,
3481         .mode_set = dce_v10_0_encoder_mode_set,
3482         .commit = dce_v10_0_encoder_commit,
3483         .detect = amdgpu_atombios_encoder_dac_detect,
3484 };
3485
3486 static void dce_v10_0_encoder_destroy(struct drm_encoder *encoder)
3487 {
3488         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3489         if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3490                 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3491         kfree(amdgpu_encoder->enc_priv);
3492         drm_encoder_cleanup(encoder);
3493         kfree(amdgpu_encoder);
3494 }
3495
3496 static const struct drm_encoder_funcs dce_v10_0_encoder_funcs = {
3497         .destroy = dce_v10_0_encoder_destroy,
3498 };
3499
3500 static void dce_v10_0_encoder_add(struct amdgpu_device *adev,
3501                                  uint32_t encoder_enum,
3502                                  uint32_t supported_device,
3503                                  u16 caps)
3504 {
3505         struct drm_device *dev = adev_to_drm(adev);
3506         struct drm_encoder *encoder;
3507         struct amdgpu_encoder *amdgpu_encoder;
3508
3509         /* see if we already added it */
3510         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3511                 amdgpu_encoder = to_amdgpu_encoder(encoder);
3512                 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3513                         amdgpu_encoder->devices |= supported_device;
3514                         return;
3515                 }
3516
3517         }
3518
3519         /* add a new one */
3520         amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3521         if (!amdgpu_encoder)
3522                 return;
3523
3524         encoder = &amdgpu_encoder->base;
3525         switch (adev->mode_info.num_crtc) {
3526         case 1:
3527                 encoder->possible_crtcs = 0x1;
3528                 break;
3529         case 2:
3530         default:
3531                 encoder->possible_crtcs = 0x3;
3532                 break;
3533         case 4:
3534                 encoder->possible_crtcs = 0xf;
3535                 break;
3536         case 6:
3537                 encoder->possible_crtcs = 0x3f;
3538                 break;
3539         }
3540
3541         amdgpu_encoder->enc_priv = NULL;
3542
3543         amdgpu_encoder->encoder_enum = encoder_enum;
3544         amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3545         amdgpu_encoder->devices = supported_device;
3546         amdgpu_encoder->rmx_type = RMX_OFF;
3547         amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3548         amdgpu_encoder->is_ext_encoder = false;
3549         amdgpu_encoder->caps = caps;
3550
3551         switch (amdgpu_encoder->encoder_id) {
3552         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3553         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3554                 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3555                                  DRM_MODE_ENCODER_DAC, NULL);
3556                 drm_encoder_helper_add(encoder, &dce_v10_0_dac_helper_funcs);
3557                 break;
3558         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3559         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3560         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3561         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3562         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3563                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3564                         amdgpu_encoder->rmx_type = RMX_FULL;
3565                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3566                                          DRM_MODE_ENCODER_LVDS, NULL);
3567                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3568                 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3569                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3570                                          DRM_MODE_ENCODER_DAC, NULL);
3571                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3572                 } else {
3573                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3574                                          DRM_MODE_ENCODER_TMDS, NULL);
3575                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3576                 }
3577                 drm_encoder_helper_add(encoder, &dce_v10_0_dig_helper_funcs);
3578                 break;
3579         case ENCODER_OBJECT_ID_SI170B:
3580         case ENCODER_OBJECT_ID_CH7303:
3581         case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3582         case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3583         case ENCODER_OBJECT_ID_TITFP513:
3584         case ENCODER_OBJECT_ID_VT1623:
3585         case ENCODER_OBJECT_ID_HDMI_SI1930:
3586         case ENCODER_OBJECT_ID_TRAVIS:
3587         case ENCODER_OBJECT_ID_NUTMEG:
3588                 /* these are handled by the primary encoders */
3589                 amdgpu_encoder->is_ext_encoder = true;
3590                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3591                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3592                                          DRM_MODE_ENCODER_LVDS, NULL);
3593                 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3594                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3595                                          DRM_MODE_ENCODER_DAC, NULL);
3596                 else
3597                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3598                                          DRM_MODE_ENCODER_TMDS, NULL);
3599                 drm_encoder_helper_add(encoder, &dce_v10_0_ext_helper_funcs);
3600                 break;
3601         }
3602 }
3603
3604 static const struct amdgpu_display_funcs dce_v10_0_display_funcs = {
3605         .bandwidth_update = &dce_v10_0_bandwidth_update,
3606         .vblank_get_counter = &dce_v10_0_vblank_get_counter,
3607         .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3608         .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3609         .hpd_sense = &dce_v10_0_hpd_sense,
3610         .hpd_set_polarity = &dce_v10_0_hpd_set_polarity,
3611         .hpd_get_gpio_reg = &dce_v10_0_hpd_get_gpio_reg,
3612         .page_flip = &dce_v10_0_page_flip,
3613         .page_flip_get_scanoutpos = &dce_v10_0_crtc_get_scanoutpos,
3614         .add_encoder = &dce_v10_0_encoder_add,
3615         .add_connector = &amdgpu_connector_add,
3616 };
3617
3618 static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev)
3619 {
3620         adev->mode_info.funcs = &dce_v10_0_display_funcs;
3621 }
3622
3623 static const struct amdgpu_irq_src_funcs dce_v10_0_crtc_irq_funcs = {
3624         .set = dce_v10_0_set_crtc_irq_state,
3625         .process = dce_v10_0_crtc_irq,
3626 };
3627
3628 static const struct amdgpu_irq_src_funcs dce_v10_0_pageflip_irq_funcs = {
3629         .set = dce_v10_0_set_pageflip_irq_state,
3630         .process = dce_v10_0_pageflip_irq,
3631 };
3632
3633 static const struct amdgpu_irq_src_funcs dce_v10_0_hpd_irq_funcs = {
3634         .set = dce_v10_0_set_hpd_irq_state,
3635         .process = dce_v10_0_hpd_irq,
3636 };
3637
3638 static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev)
3639 {
3640         if (adev->mode_info.num_crtc > 0)
3641                 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3642         else
3643                 adev->crtc_irq.num_types = 0;
3644         adev->crtc_irq.funcs = &dce_v10_0_crtc_irq_funcs;
3645
3646         adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3647         adev->pageflip_irq.funcs = &dce_v10_0_pageflip_irq_funcs;
3648
3649         adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3650         adev->hpd_irq.funcs = &dce_v10_0_hpd_irq_funcs;
3651 }
3652
3653 const struct amdgpu_ip_block_version dce_v10_0_ip_block = {
3654         .type = AMD_IP_BLOCK_TYPE_DCE,
3655         .major = 10,
3656         .minor = 0,
3657         .rev = 0,
3658         .funcs = &dce_v10_0_ip_funcs,
3659 };
3660
3661 const struct amdgpu_ip_block_version dce_v10_1_ip_block = {
3662         .type = AMD_IP_BLOCK_TYPE_DCE,
3663         .major = 10,
3664         .minor = 1,
3665         .rev = 0,
3666         .funcs = &dce_v10_0_ip_funcs,
3667 };