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                 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1885                 if (unlikely(r != 0)) {
1886                         amdgpu_bo_unreserve(abo);
1887                         return -EINVAL;
1888                 }
1889         }
1890         fb_location = amdgpu_bo_gpu_offset(abo);
1891
1892         amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1893         amdgpu_bo_unreserve(abo);
1894
1895         pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1896
1897         switch (target_fb->format->format) {
1898         case DRM_FORMAT_C8:
1899                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1900                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1901                 break;
1902         case DRM_FORMAT_XRGB4444:
1903         case DRM_FORMAT_ARGB4444:
1904                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1905                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1906 #ifdef __BIG_ENDIAN
1907                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1908                                         ENDIAN_8IN16);
1909 #endif
1910                 break;
1911         case DRM_FORMAT_XRGB1555:
1912         case DRM_FORMAT_ARGB1555:
1913                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1914                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1915 #ifdef __BIG_ENDIAN
1916                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1917                                         ENDIAN_8IN16);
1918 #endif
1919                 break;
1920         case DRM_FORMAT_BGRX5551:
1921         case DRM_FORMAT_BGRA5551:
1922                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1923                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1924 #ifdef __BIG_ENDIAN
1925                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1926                                         ENDIAN_8IN16);
1927 #endif
1928                 break;
1929         case DRM_FORMAT_RGB565:
1930                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1931                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1932 #ifdef __BIG_ENDIAN
1933                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1934                                         ENDIAN_8IN16);
1935 #endif
1936                 break;
1937         case DRM_FORMAT_XRGB8888:
1938         case DRM_FORMAT_ARGB8888:
1939                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1940                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1941 #ifdef __BIG_ENDIAN
1942                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1943                                         ENDIAN_8IN32);
1944 #endif
1945                 break;
1946         case DRM_FORMAT_XRGB2101010:
1947         case DRM_FORMAT_ARGB2101010:
1948                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1949                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1950 #ifdef __BIG_ENDIAN
1951                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1952                                         ENDIAN_8IN32);
1953 #endif
1954                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1955                 bypass_lut = true;
1956                 break;
1957         case DRM_FORMAT_BGRX1010102:
1958         case DRM_FORMAT_BGRA1010102:
1959                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1960                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
1961 #ifdef __BIG_ENDIAN
1962                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1963                                         ENDIAN_8IN32);
1964 #endif
1965                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1966                 bypass_lut = true;
1967                 break;
1968         case DRM_FORMAT_XBGR8888:
1969         case DRM_FORMAT_ABGR8888:
1970                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1971                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1972                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
1973                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
1974 #ifdef __BIG_ENDIAN
1975                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1976                                         ENDIAN_8IN32);
1977 #endif
1978                 break;
1979         default:
1980                 DRM_ERROR("Unsupported screen format %p4cc\n",
1981                           &target_fb->format->format);
1982                 return -EINVAL;
1983         }
1984
1985         if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1986                 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1987
1988                 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1989                 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1990                 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1991                 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1992                 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1993
1994                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
1995                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
1996                                           ARRAY_2D_TILED_THIN1);
1997                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
1998                                           tile_split);
1999                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2000                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2001                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2002                                           mtaspect);
2003                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2004                                           ADDR_SURF_MICRO_TILING_DISPLAY);
2005         } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2006                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2007                                           ARRAY_1D_TILED_THIN1);
2008         }
2009
2010         fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2011                                   pipe_config);
2012
2013         dce_v10_0_vga_enable(crtc, false);
2014
2015         /* Make sure surface address is updated at vertical blank rather than
2016          * horizontal blank
2017          */
2018         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2019         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2020                             GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2021         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2022
2023         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2024                upper_32_bits(fb_location));
2025         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2026                upper_32_bits(fb_location));
2027         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2028                (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2029         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2030                (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2031         WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2032         WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2033
2034         /*
2035          * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2036          * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2037          * retain the full precision throughout the pipeline.
2038          */
2039         tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2040         if (bypass_lut)
2041                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2042         else
2043                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2044         WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2045
2046         if (bypass_lut)
2047                 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2048
2049         WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2050         WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2051         WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2052         WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2053         WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2054         WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2055
2056         fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2057         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2058
2059         dce_v10_0_grph_enable(crtc, true);
2060
2061         WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2062                target_fb->height);
2063
2064         x &= ~3;
2065         y &= ~1;
2066         WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2067                (x << 16) | y);
2068         viewport_w = crtc->mode.hdisplay;
2069         viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2070         WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2071                (viewport_w << 16) | viewport_h);
2072
2073         /* set pageflip to happen anywhere in vblank interval */
2074         WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2075
2076         if (!atomic && fb && fb != crtc->primary->fb) {
2077                 abo = gem_to_amdgpu_bo(fb->obj[0]);
2078                 r = amdgpu_bo_reserve(abo, true);
2079                 if (unlikely(r != 0))
2080                         return r;
2081                 amdgpu_bo_unpin(abo);
2082                 amdgpu_bo_unreserve(abo);
2083         }
2084
2085         /* Bytes per pixel may have changed */
2086         dce_v10_0_bandwidth_update(adev);
2087
2088         return 0;
2089 }
2090
2091 static void dce_v10_0_set_interleave(struct drm_crtc *crtc,
2092                                      struct drm_display_mode *mode)
2093 {
2094         struct drm_device *dev = crtc->dev;
2095         struct amdgpu_device *adev = drm_to_adev(dev);
2096         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2097         u32 tmp;
2098
2099         tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2100         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2101                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2102         else
2103                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2104         WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2105 }
2106
2107 static void dce_v10_0_crtc_load_lut(struct drm_crtc *crtc)
2108 {
2109         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2110         struct drm_device *dev = crtc->dev;
2111         struct amdgpu_device *adev = drm_to_adev(dev);
2112         u16 *r, *g, *b;
2113         int i;
2114         u32 tmp;
2115
2116         DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2117
2118         tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2119         tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2120         tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_OVL_MODE, 0);
2121         WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2122
2123         tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2124         tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2125         WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2126
2127         tmp = RREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset);
2128         tmp = REG_SET_FIELD(tmp, PRESCALE_OVL_CONTROL, OVL_PRESCALE_BYPASS, 1);
2129         WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2130
2131         tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2132         tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2133         tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, OVL_INPUT_GAMMA_MODE, 0);
2134         WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2135
2136         WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2137
2138         WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2139         WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2140         WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2141
2142         WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2143         WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2144         WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2145
2146         WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2147         WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2148
2149         WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2150         r = crtc->gamma_store;
2151         g = r + crtc->gamma_size;
2152         b = g + crtc->gamma_size;
2153         for (i = 0; i < 256; i++) {
2154                 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2155                        ((*r++ & 0xffc0) << 14) |
2156                        ((*g++ & 0xffc0) << 4) |
2157                        (*b++ >> 6));
2158         }
2159
2160         tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2161         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2162         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, OVL_DEGAMMA_MODE, 0);
2163         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2164         WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2165
2166         tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2167         tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2168         tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, OVL_GAMUT_REMAP_MODE, 0);
2169         WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2170
2171         tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2172         tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2173         tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, OVL_REGAMMA_MODE, 0);
2174         WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2175
2176         tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2177         tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2178         tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_OVL_MODE, 0);
2179         WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2180
2181         /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2182         WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2183         /* XXX this only needs to be programmed once per crtc at startup,
2184          * not sure where the best place for it is
2185          */
2186         tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2187         tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2188         WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2189 }
2190
2191 static int dce_v10_0_pick_dig_encoder(struct drm_encoder *encoder)
2192 {
2193         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2194         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2195
2196         switch (amdgpu_encoder->encoder_id) {
2197         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2198                 if (dig->linkb)
2199                         return 1;
2200                 else
2201                         return 0;
2202         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2203                 if (dig->linkb)
2204                         return 3;
2205                 else
2206                         return 2;
2207         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2208                 if (dig->linkb)
2209                         return 5;
2210                 else
2211                         return 4;
2212         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2213                 return 6;
2214         default:
2215                 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2216                 return 0;
2217         }
2218 }
2219
2220 /**
2221  * dce_v10_0_pick_pll - Allocate a PPLL for use by the crtc.
2222  *
2223  * @crtc: drm crtc
2224  *
2225  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2226  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2227  * monitors a dedicated PPLL must be used.  If a particular board has
2228  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2229  * as there is no need to program the PLL itself.  If we are not able to
2230  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2231  * avoid messing up an existing monitor.
2232  *
2233  * Asic specific PLL information
2234  *
2235  * DCE 10.x
2236  * Tonga
2237  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2238  * CI
2239  * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2240  *
2241  */
2242 static u32 dce_v10_0_pick_pll(struct drm_crtc *crtc)
2243 {
2244         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2245         struct drm_device *dev = crtc->dev;
2246         struct amdgpu_device *adev = drm_to_adev(dev);
2247         u32 pll_in_use;
2248         int pll;
2249
2250         if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2251                 if (adev->clock.dp_extclk)
2252                         /* skip PPLL programming if using ext clock */
2253                         return ATOM_PPLL_INVALID;
2254                 else {
2255                         /* use the same PPLL for all DP monitors */
2256                         pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2257                         if (pll != ATOM_PPLL_INVALID)
2258                                 return pll;
2259                 }
2260         } else {
2261                 /* use the same PPLL for all monitors with the same clock */
2262                 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2263                 if (pll != ATOM_PPLL_INVALID)
2264                         return pll;
2265         }
2266
2267         /* DCE10 has PPLL0, PPLL1, and PPLL2 */
2268         pll_in_use = amdgpu_pll_get_use_mask(crtc);
2269         if (!(pll_in_use & (1 << ATOM_PPLL2)))
2270                 return ATOM_PPLL2;
2271         if (!(pll_in_use & (1 << ATOM_PPLL1)))
2272                 return ATOM_PPLL1;
2273         if (!(pll_in_use & (1 << ATOM_PPLL0)))
2274                 return ATOM_PPLL0;
2275         DRM_ERROR("unable to allocate a PPLL\n");
2276         return ATOM_PPLL_INVALID;
2277 }
2278
2279 static void dce_v10_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2280 {
2281         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2282         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2283         uint32_t cur_lock;
2284
2285         cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2286         if (lock)
2287                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2288         else
2289                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2290         WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2291 }
2292
2293 static void dce_v10_0_hide_cursor(struct drm_crtc *crtc)
2294 {
2295         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2296         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2297         u32 tmp;
2298
2299         tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2300         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2301         WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2302 }
2303
2304 static void dce_v10_0_show_cursor(struct drm_crtc *crtc)
2305 {
2306         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2307         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2308         u32 tmp;
2309
2310         WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2311                upper_32_bits(amdgpu_crtc->cursor_addr));
2312         WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2313                lower_32_bits(amdgpu_crtc->cursor_addr));
2314
2315         tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2316         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2317         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2318         WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2319 }
2320
2321 static int dce_v10_0_cursor_move_locked(struct drm_crtc *crtc,
2322                                         int x, int y)
2323 {
2324         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2325         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2326         int xorigin = 0, yorigin = 0;
2327
2328         amdgpu_crtc->cursor_x = x;
2329         amdgpu_crtc->cursor_y = y;
2330
2331         /* avivo cursor are offset into the total surface */
2332         x += crtc->x;
2333         y += crtc->y;
2334         DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2335
2336         if (x < 0) {
2337                 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2338                 x = 0;
2339         }
2340         if (y < 0) {
2341                 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2342                 y = 0;
2343         }
2344
2345         WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2346         WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2347         WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2348                ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2349
2350         return 0;
2351 }
2352
2353 static int dce_v10_0_crtc_cursor_move(struct drm_crtc *crtc,
2354                                       int x, int y)
2355 {
2356         int ret;
2357
2358         dce_v10_0_lock_cursor(crtc, true);
2359         ret = dce_v10_0_cursor_move_locked(crtc, x, y);
2360         dce_v10_0_lock_cursor(crtc, false);
2361
2362         return ret;
2363 }
2364
2365 static int dce_v10_0_crtc_cursor_set2(struct drm_crtc *crtc,
2366                                       struct drm_file *file_priv,
2367                                       uint32_t handle,
2368                                       uint32_t width,
2369                                       uint32_t height,
2370                                       int32_t hot_x,
2371                                       int32_t hot_y)
2372 {
2373         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2374         struct drm_gem_object *obj;
2375         struct amdgpu_bo *aobj;
2376         int ret;
2377
2378         if (!handle) {
2379                 /* turn off cursor */
2380                 dce_v10_0_hide_cursor(crtc);
2381                 obj = NULL;
2382                 goto unpin;
2383         }
2384
2385         if ((width > amdgpu_crtc->max_cursor_width) ||
2386             (height > amdgpu_crtc->max_cursor_height)) {
2387                 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2388                 return -EINVAL;
2389         }
2390
2391         obj = drm_gem_object_lookup(file_priv, handle);
2392         if (!obj) {
2393                 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2394                 return -ENOENT;
2395         }
2396
2397         aobj = gem_to_amdgpu_bo(obj);
2398         ret = amdgpu_bo_reserve(aobj, false);
2399         if (ret != 0) {
2400                 drm_gem_object_put(obj);
2401                 return ret;
2402         }
2403
2404         ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2405         amdgpu_bo_unreserve(aobj);
2406         if (ret) {
2407                 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2408                 drm_gem_object_put(obj);
2409                 return ret;
2410         }
2411         amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2412
2413         dce_v10_0_lock_cursor(crtc, true);
2414
2415         if (width != amdgpu_crtc->cursor_width ||
2416             height != amdgpu_crtc->cursor_height ||
2417             hot_x != amdgpu_crtc->cursor_hot_x ||
2418             hot_y != amdgpu_crtc->cursor_hot_y) {
2419                 int x, y;
2420
2421                 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2422                 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2423
2424                 dce_v10_0_cursor_move_locked(crtc, x, y);
2425
2426                 amdgpu_crtc->cursor_width = width;
2427                 amdgpu_crtc->cursor_height = height;
2428                 amdgpu_crtc->cursor_hot_x = hot_x;
2429                 amdgpu_crtc->cursor_hot_y = hot_y;
2430         }
2431
2432         dce_v10_0_show_cursor(crtc);
2433         dce_v10_0_lock_cursor(crtc, false);
2434
2435 unpin:
2436         if (amdgpu_crtc->cursor_bo) {
2437                 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2438                 ret = amdgpu_bo_reserve(aobj, true);
2439                 if (likely(ret == 0)) {
2440                         amdgpu_bo_unpin(aobj);
2441                         amdgpu_bo_unreserve(aobj);
2442                 }
2443                 drm_gem_object_put(amdgpu_crtc->cursor_bo);
2444         }
2445
2446         amdgpu_crtc->cursor_bo = obj;
2447         return 0;
2448 }
2449
2450 static void dce_v10_0_cursor_reset(struct drm_crtc *crtc)
2451 {
2452         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2453
2454         if (amdgpu_crtc->cursor_bo) {
2455                 dce_v10_0_lock_cursor(crtc, true);
2456
2457                 dce_v10_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2458                                              amdgpu_crtc->cursor_y);
2459
2460                 dce_v10_0_show_cursor(crtc);
2461
2462                 dce_v10_0_lock_cursor(crtc, false);
2463         }
2464 }
2465
2466 static int dce_v10_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2467                                     u16 *blue, uint32_t size,
2468                                     struct drm_modeset_acquire_ctx *ctx)
2469 {
2470         dce_v10_0_crtc_load_lut(crtc);
2471
2472         return 0;
2473 }
2474
2475 static void dce_v10_0_crtc_destroy(struct drm_crtc *crtc)
2476 {
2477         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2478
2479         drm_crtc_cleanup(crtc);
2480         kfree(amdgpu_crtc);
2481 }
2482
2483 static const struct drm_crtc_funcs dce_v10_0_crtc_funcs = {
2484         .cursor_set2 = dce_v10_0_crtc_cursor_set2,
2485         .cursor_move = dce_v10_0_crtc_cursor_move,
2486         .gamma_set = dce_v10_0_crtc_gamma_set,
2487         .set_config = amdgpu_display_crtc_set_config,
2488         .destroy = dce_v10_0_crtc_destroy,
2489         .page_flip_target = amdgpu_display_crtc_page_flip_target,
2490         .get_vblank_counter = amdgpu_get_vblank_counter_kms,
2491         .enable_vblank = amdgpu_enable_vblank_kms,
2492         .disable_vblank = amdgpu_disable_vblank_kms,
2493         .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2494 };
2495
2496 static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2497 {
2498         struct drm_device *dev = crtc->dev;
2499         struct amdgpu_device *adev = drm_to_adev(dev);
2500         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2501         unsigned type;
2502
2503         switch (mode) {
2504         case DRM_MODE_DPMS_ON:
2505                 amdgpu_crtc->enabled = true;
2506                 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2507                 dce_v10_0_vga_enable(crtc, true);
2508                 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2509                 dce_v10_0_vga_enable(crtc, false);
2510                 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2511                 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2512                                                 amdgpu_crtc->crtc_id);
2513                 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2514                 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2515                 drm_crtc_vblank_on(crtc);
2516                 dce_v10_0_crtc_load_lut(crtc);
2517                 break;
2518         case DRM_MODE_DPMS_STANDBY:
2519         case DRM_MODE_DPMS_SUSPEND:
2520         case DRM_MODE_DPMS_OFF:
2521                 drm_crtc_vblank_off(crtc);
2522                 if (amdgpu_crtc->enabled) {
2523                         dce_v10_0_vga_enable(crtc, true);
2524                         amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2525                         dce_v10_0_vga_enable(crtc, false);
2526                 }
2527                 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2528                 amdgpu_crtc->enabled = false;
2529                 break;
2530         }
2531         /* adjust pm to dpms */
2532         amdgpu_dpm_compute_clocks(adev);
2533 }
2534
2535 static void dce_v10_0_crtc_prepare(struct drm_crtc *crtc)
2536 {
2537         /* disable crtc pair power gating before programming */
2538         amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2539         amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2540         dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2541 }
2542
2543 static void dce_v10_0_crtc_commit(struct drm_crtc *crtc)
2544 {
2545         dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2546         amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2547 }
2548
2549 static void dce_v10_0_crtc_disable(struct drm_crtc *crtc)
2550 {
2551         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2552         struct drm_device *dev = crtc->dev;
2553         struct amdgpu_device *adev = drm_to_adev(dev);
2554         struct amdgpu_atom_ss ss;
2555         int i;
2556
2557         dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2558         if (crtc->primary->fb) {
2559                 int r;
2560                 struct amdgpu_bo *abo;
2561
2562                 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2563                 r = amdgpu_bo_reserve(abo, true);
2564                 if (unlikely(r))
2565                         DRM_ERROR("failed to reserve abo before unpin\n");
2566                 else {
2567                         amdgpu_bo_unpin(abo);
2568                         amdgpu_bo_unreserve(abo);
2569                 }
2570         }
2571         /* disable the GRPH */
2572         dce_v10_0_grph_enable(crtc, false);
2573
2574         amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2575
2576         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2577                 if (adev->mode_info.crtcs[i] &&
2578                     adev->mode_info.crtcs[i]->enabled &&
2579                     i != amdgpu_crtc->crtc_id &&
2580                     amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2581                         /* one other crtc is using this pll don't turn
2582                          * off the pll
2583                          */
2584                         goto done;
2585                 }
2586         }
2587
2588         switch (amdgpu_crtc->pll_id) {
2589         case ATOM_PPLL0:
2590         case ATOM_PPLL1:
2591         case ATOM_PPLL2:
2592                 /* disable the ppll */
2593                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2594                                           0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2595                 break;
2596         default:
2597                 break;
2598         }
2599 done:
2600         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2601         amdgpu_crtc->adjusted_clock = 0;
2602         amdgpu_crtc->encoder = NULL;
2603         amdgpu_crtc->connector = NULL;
2604 }
2605
2606 static int dce_v10_0_crtc_mode_set(struct drm_crtc *crtc,
2607                                   struct drm_display_mode *mode,
2608                                   struct drm_display_mode *adjusted_mode,
2609                                   int x, int y, struct drm_framebuffer *old_fb)
2610 {
2611         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2612
2613         if (!amdgpu_crtc->adjusted_clock)
2614                 return -EINVAL;
2615
2616         amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2617         amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2618         dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2619         amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2620         amdgpu_atombios_crtc_scaler_setup(crtc);
2621         dce_v10_0_cursor_reset(crtc);
2622         /* update the hw version fpr dpm */
2623         amdgpu_crtc->hw_mode = *adjusted_mode;
2624
2625         return 0;
2626 }
2627
2628 static bool dce_v10_0_crtc_mode_fixup(struct drm_crtc *crtc,
2629                                      const struct drm_display_mode *mode,
2630                                      struct drm_display_mode *adjusted_mode)
2631 {
2632         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2633         struct drm_device *dev = crtc->dev;
2634         struct drm_encoder *encoder;
2635
2636         /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2637         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2638                 if (encoder->crtc == crtc) {
2639                         amdgpu_crtc->encoder = encoder;
2640                         amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2641                         break;
2642                 }
2643         }
2644         if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2645                 amdgpu_crtc->encoder = NULL;
2646                 amdgpu_crtc->connector = NULL;
2647                 return false;
2648         }
2649         if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2650                 return false;
2651         if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2652                 return false;
2653         /* pick pll */
2654         amdgpu_crtc->pll_id = dce_v10_0_pick_pll(crtc);
2655         /* if we can't get a PPLL for a non-DP encoder, fail */
2656         if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2657             !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2658                 return false;
2659
2660         return true;
2661 }
2662
2663 static int dce_v10_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2664                                   struct drm_framebuffer *old_fb)
2665 {
2666         return dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2667 }
2668
2669 static int dce_v10_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2670                                          struct drm_framebuffer *fb,
2671                                          int x, int y, enum mode_set_atomic state)
2672 {
2673         return dce_v10_0_crtc_do_set_base(crtc, fb, x, y, 1);
2674 }
2675
2676 static const struct drm_crtc_helper_funcs dce_v10_0_crtc_helper_funcs = {
2677         .dpms = dce_v10_0_crtc_dpms,
2678         .mode_fixup = dce_v10_0_crtc_mode_fixup,
2679         .mode_set = dce_v10_0_crtc_mode_set,
2680         .mode_set_base = dce_v10_0_crtc_set_base,
2681         .mode_set_base_atomic = dce_v10_0_crtc_set_base_atomic,
2682         .prepare = dce_v10_0_crtc_prepare,
2683         .commit = dce_v10_0_crtc_commit,
2684         .disable = dce_v10_0_crtc_disable,
2685         .get_scanout_position = amdgpu_crtc_get_scanout_position,
2686 };
2687
2688 static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index)
2689 {
2690         struct amdgpu_crtc *amdgpu_crtc;
2691
2692         amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2693                               (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2694         if (amdgpu_crtc == NULL)
2695                 return -ENOMEM;
2696
2697         drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v10_0_crtc_funcs);
2698
2699         drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2700         amdgpu_crtc->crtc_id = index;
2701         adev->mode_info.crtcs[index] = amdgpu_crtc;
2702
2703         amdgpu_crtc->max_cursor_width = 128;
2704         amdgpu_crtc->max_cursor_height = 128;
2705         adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2706         adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2707
2708         switch (amdgpu_crtc->crtc_id) {
2709         case 0:
2710         default:
2711                 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2712                 break;
2713         case 1:
2714                 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2715                 break;
2716         case 2:
2717                 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2718                 break;
2719         case 3:
2720                 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2721                 break;
2722         case 4:
2723                 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2724                 break;
2725         case 5:
2726                 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2727                 break;
2728         }
2729
2730         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2731         amdgpu_crtc->adjusted_clock = 0;
2732         amdgpu_crtc->encoder = NULL;
2733         amdgpu_crtc->connector = NULL;
2734         drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v10_0_crtc_helper_funcs);
2735
2736         return 0;
2737 }
2738
2739 static int dce_v10_0_early_init(void *handle)
2740 {
2741         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2742
2743         adev->audio_endpt_rreg = &dce_v10_0_audio_endpt_rreg;
2744         adev->audio_endpt_wreg = &dce_v10_0_audio_endpt_wreg;
2745
2746         dce_v10_0_set_display_funcs(adev);
2747
2748         adev->mode_info.num_crtc = dce_v10_0_get_num_crtc(adev);
2749
2750         switch (adev->asic_type) {
2751         case CHIP_FIJI:
2752         case CHIP_TONGA:
2753                 adev->mode_info.num_hpd = 6;
2754                 adev->mode_info.num_dig = 7;
2755                 break;
2756         default:
2757                 /* FIXME: not supported yet */
2758                 return -EINVAL;
2759         }
2760
2761         dce_v10_0_set_irq_funcs(adev);
2762
2763         return 0;
2764 }
2765
2766 static int dce_v10_0_sw_init(void *handle)
2767 {
2768         int r, i;
2769         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2770
2771         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2772                 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2773                 if (r)
2774                         return r;
2775         }
2776
2777         for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2778                 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2779                 if (r)
2780                         return r;
2781         }
2782
2783         /* HPD hotplug */
2784         r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2785         if (r)
2786                 return r;
2787
2788         adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2789
2790         adev_to_drm(adev)->mode_config.async_page_flip = true;
2791
2792         adev_to_drm(adev)->mode_config.max_width = 16384;
2793         adev_to_drm(adev)->mode_config.max_height = 16384;
2794
2795         adev_to_drm(adev)->mode_config.preferred_depth = 24;
2796         adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2797
2798         adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2799
2800         r = amdgpu_display_modeset_create_props(adev);
2801         if (r)
2802                 return r;
2803
2804         adev_to_drm(adev)->mode_config.max_width = 16384;
2805         adev_to_drm(adev)->mode_config.max_height = 16384;
2806
2807         /* allocate crtcs */
2808         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2809                 r = dce_v10_0_crtc_init(adev, i);
2810                 if (r)
2811                         return r;
2812         }
2813
2814         if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2815                 amdgpu_display_print_display_setup(adev_to_drm(adev));
2816         else
2817                 return -EINVAL;
2818
2819         /* setup afmt */
2820         r = dce_v10_0_afmt_init(adev);
2821         if (r)
2822                 return r;
2823
2824         r = dce_v10_0_audio_init(adev);
2825         if (r)
2826                 return r;
2827
2828         /* Disable vblank IRQs aggressively for power-saving */
2829         /* XXX: can this be enabled for DC? */
2830         adev_to_drm(adev)->vblank_disable_immediate = true;
2831
2832         r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2833         if (r)
2834                 return r;
2835
2836         INIT_DELAYED_WORK(&adev->hotplug_work,
2837                   amdgpu_display_hotplug_work_func);
2838
2839         drm_kms_helper_poll_init(adev_to_drm(adev));
2840
2841         adev->mode_info.mode_config_initialized = true;
2842         return 0;
2843 }
2844
2845 static int dce_v10_0_sw_fini(void *handle)
2846 {
2847         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2848
2849         drm_edid_free(adev->mode_info.bios_hardcoded_edid);
2850
2851         drm_kms_helper_poll_fini(adev_to_drm(adev));
2852
2853         dce_v10_0_audio_fini(adev);
2854
2855         dce_v10_0_afmt_fini(adev);
2856
2857         drm_mode_config_cleanup(adev_to_drm(adev));
2858         adev->mode_info.mode_config_initialized = false;
2859
2860         return 0;
2861 }
2862
2863 static int dce_v10_0_hw_init(void *handle)
2864 {
2865         int i;
2866         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2867
2868         dce_v10_0_init_golden_registers(adev);
2869
2870         /* disable vga render */
2871         dce_v10_0_set_vga_render_state(adev, false);
2872         /* init dig PHYs, disp eng pll */
2873         amdgpu_atombios_encoder_init_dig(adev);
2874         amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2875
2876         /* initialize hpd */
2877         dce_v10_0_hpd_init(adev);
2878
2879         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2880                 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2881         }
2882
2883         dce_v10_0_pageflip_interrupt_init(adev);
2884
2885         return 0;
2886 }
2887
2888 static int dce_v10_0_hw_fini(void *handle)
2889 {
2890         int i;
2891         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2892
2893         dce_v10_0_hpd_fini(adev);
2894
2895         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2896                 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2897         }
2898
2899         dce_v10_0_pageflip_interrupt_fini(adev);
2900
2901         flush_delayed_work(&adev->hotplug_work);
2902
2903         return 0;
2904 }
2905
2906 static int dce_v10_0_suspend(void *handle)
2907 {
2908         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2909         int r;
2910
2911         r = amdgpu_display_suspend_helper(adev);
2912         if (r)
2913                 return r;
2914
2915         adev->mode_info.bl_level =
2916                 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2917
2918         return dce_v10_0_hw_fini(handle);
2919 }
2920
2921 static int dce_v10_0_resume(void *handle)
2922 {
2923         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2924         int ret;
2925
2926         amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2927                                                            adev->mode_info.bl_level);
2928
2929         ret = dce_v10_0_hw_init(handle);
2930
2931         /* turn on the BL */
2932         if (adev->mode_info.bl_encoder) {
2933                 u8 bl_level = amdgpu_display_backlight_get_level(adev,
2934                                                                   adev->mode_info.bl_encoder);
2935                 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2936                                                     bl_level);
2937         }
2938         if (ret)
2939                 return ret;
2940
2941         return amdgpu_display_resume_helper(adev);
2942 }
2943
2944 static bool dce_v10_0_is_idle(void *handle)
2945 {
2946         return true;
2947 }
2948
2949 static int dce_v10_0_wait_for_idle(void *handle)
2950 {
2951         return 0;
2952 }
2953
2954 static bool dce_v10_0_check_soft_reset(void *handle)
2955 {
2956         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2957
2958         return dce_v10_0_is_display_hung(adev);
2959 }
2960
2961 static int dce_v10_0_soft_reset(void *handle)
2962 {
2963         u32 srbm_soft_reset = 0, tmp;
2964         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2965
2966         if (dce_v10_0_is_display_hung(adev))
2967                 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
2968
2969         if (srbm_soft_reset) {
2970                 tmp = RREG32(mmSRBM_SOFT_RESET);
2971                 tmp |= srbm_soft_reset;
2972                 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
2973                 WREG32(mmSRBM_SOFT_RESET, tmp);
2974                 tmp = RREG32(mmSRBM_SOFT_RESET);
2975
2976                 udelay(50);
2977
2978                 tmp &= ~srbm_soft_reset;
2979                 WREG32(mmSRBM_SOFT_RESET, tmp);
2980                 tmp = RREG32(mmSRBM_SOFT_RESET);
2981
2982                 /* Wait a little for things to settle down */
2983                 udelay(50);
2984         }
2985         return 0;
2986 }
2987
2988 static void dce_v10_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2989                                                      int crtc,
2990                                                      enum amdgpu_interrupt_state state)
2991 {
2992         u32 lb_interrupt_mask;
2993
2994         if (crtc >= adev->mode_info.num_crtc) {
2995                 DRM_DEBUG("invalid crtc %d\n", crtc);
2996                 return;
2997         }
2998
2999         switch (state) {
3000         case AMDGPU_IRQ_STATE_DISABLE:
3001                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3002                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3003                                                   VBLANK_INTERRUPT_MASK, 0);
3004                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3005                 break;
3006         case AMDGPU_IRQ_STATE_ENABLE:
3007                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3008                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3009                                                   VBLANK_INTERRUPT_MASK, 1);
3010                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3011                 break;
3012         default:
3013                 break;
3014         }
3015 }
3016
3017 static void dce_v10_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3018                                                     int crtc,
3019                                                     enum amdgpu_interrupt_state state)
3020 {
3021         u32 lb_interrupt_mask;
3022
3023         if (crtc >= adev->mode_info.num_crtc) {
3024                 DRM_DEBUG("invalid crtc %d\n", crtc);
3025                 return;
3026         }
3027
3028         switch (state) {
3029         case AMDGPU_IRQ_STATE_DISABLE:
3030                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3031                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3032                                                   VLINE_INTERRUPT_MASK, 0);
3033                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3034                 break;
3035         case AMDGPU_IRQ_STATE_ENABLE:
3036                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3037                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3038                                                   VLINE_INTERRUPT_MASK, 1);
3039                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3040                 break;
3041         default:
3042                 break;
3043         }
3044 }
3045
3046 static int dce_v10_0_set_hpd_irq_state(struct amdgpu_device *adev,
3047                                        struct amdgpu_irq_src *source,
3048                                        unsigned hpd,
3049                                        enum amdgpu_interrupt_state state)
3050 {
3051         u32 tmp;
3052
3053         if (hpd >= adev->mode_info.num_hpd) {
3054                 DRM_DEBUG("invalid hdp %d\n", hpd);
3055                 return 0;
3056         }
3057
3058         switch (state) {
3059         case AMDGPU_IRQ_STATE_DISABLE:
3060                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3061                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3062                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3063                 break;
3064         case AMDGPU_IRQ_STATE_ENABLE:
3065                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3066                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3067                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3068                 break;
3069         default:
3070                 break;
3071         }
3072
3073         return 0;
3074 }
3075
3076 static int dce_v10_0_set_crtc_irq_state(struct amdgpu_device *adev,
3077                                         struct amdgpu_irq_src *source,
3078                                         unsigned type,
3079                                         enum amdgpu_interrupt_state state)
3080 {
3081         switch (type) {
3082         case AMDGPU_CRTC_IRQ_VBLANK1:
3083                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3084                 break;
3085         case AMDGPU_CRTC_IRQ_VBLANK2:
3086                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3087                 break;
3088         case AMDGPU_CRTC_IRQ_VBLANK3:
3089                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3090                 break;
3091         case AMDGPU_CRTC_IRQ_VBLANK4:
3092                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3093                 break;
3094         case AMDGPU_CRTC_IRQ_VBLANK5:
3095                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3096                 break;
3097         case AMDGPU_CRTC_IRQ_VBLANK6:
3098                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3099                 break;
3100         case AMDGPU_CRTC_IRQ_VLINE1:
3101                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 0, state);
3102                 break;
3103         case AMDGPU_CRTC_IRQ_VLINE2:
3104                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 1, state);
3105                 break;
3106         case AMDGPU_CRTC_IRQ_VLINE3:
3107                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 2, state);
3108                 break;
3109         case AMDGPU_CRTC_IRQ_VLINE4:
3110                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 3, state);
3111                 break;
3112         case AMDGPU_CRTC_IRQ_VLINE5:
3113                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 4, state);
3114                 break;
3115         case AMDGPU_CRTC_IRQ_VLINE6:
3116                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 5, state);
3117                 break;
3118         default:
3119                 break;
3120         }
3121         return 0;
3122 }
3123
3124 static int dce_v10_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3125                                             struct amdgpu_irq_src *src,
3126                                             unsigned type,
3127                                             enum amdgpu_interrupt_state state)
3128 {
3129         u32 reg;
3130
3131         if (type >= adev->mode_info.num_crtc) {
3132                 DRM_ERROR("invalid pageflip crtc %d\n", type);
3133                 return -EINVAL;
3134         }
3135
3136         reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3137         if (state == AMDGPU_IRQ_STATE_DISABLE)
3138                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3139                        reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3140         else
3141                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3142                        reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3143
3144         return 0;
3145 }
3146
3147 static int dce_v10_0_pageflip_irq(struct amdgpu_device *adev,
3148                                   struct amdgpu_irq_src *source,
3149                                   struct amdgpu_iv_entry *entry)
3150 {
3151         unsigned long flags;
3152         unsigned crtc_id;
3153         struct amdgpu_crtc *amdgpu_crtc;
3154         struct amdgpu_flip_work *works;
3155
3156         crtc_id = (entry->src_id - 8) >> 1;
3157         amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3158
3159         if (crtc_id >= adev->mode_info.num_crtc) {
3160                 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3161                 return -EINVAL;
3162         }
3163
3164         if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3165             GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3166                 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3167                        GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3168
3169         /* IRQ could occur when in initial stage */
3170         if (amdgpu_crtc == NULL)
3171                 return 0;
3172
3173         spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3174         works = amdgpu_crtc->pflip_works;
3175         if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) {
3176                 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3177                                                  "AMDGPU_FLIP_SUBMITTED(%d)\n",
3178                                                  amdgpu_crtc->pflip_status,
3179                                                  AMDGPU_FLIP_SUBMITTED);
3180                 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3181                 return 0;
3182         }
3183
3184         /* page flip completed. clean up */
3185         amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3186         amdgpu_crtc->pflip_works = NULL;
3187
3188         /* wakeup usersapce */
3189         if (works->event)
3190                 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3191
3192         spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3193
3194         drm_crtc_vblank_put(&amdgpu_crtc->base);
3195         schedule_work(&works->unpin_work);
3196
3197         return 0;
3198 }
3199
3200 static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev,
3201                                   int hpd)
3202 {
3203         u32 tmp;
3204
3205         if (hpd >= adev->mode_info.num_hpd) {
3206                 DRM_DEBUG("invalid hdp %d\n", hpd);
3207                 return;
3208         }
3209
3210         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3211         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3212         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3213 }
3214
3215 static void dce_v10_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3216                                           int crtc)
3217 {
3218         u32 tmp;
3219
3220         if (crtc >= adev->mode_info.num_crtc) {
3221                 DRM_DEBUG("invalid crtc %d\n", crtc);
3222                 return;
3223         }
3224
3225         tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3226         tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3227         WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3228 }
3229
3230 static void dce_v10_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3231                                          int crtc)
3232 {
3233         u32 tmp;
3234
3235         if (crtc >= adev->mode_info.num_crtc) {
3236                 DRM_DEBUG("invalid crtc %d\n", crtc);
3237                 return;
3238         }
3239
3240         tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3241         tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3242         WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3243 }
3244
3245 static int dce_v10_0_crtc_irq(struct amdgpu_device *adev,
3246                               struct amdgpu_irq_src *source,
3247                               struct amdgpu_iv_entry *entry)
3248 {
3249         unsigned crtc = entry->src_id - 1;
3250         uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3251         unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev, crtc);
3252
3253         switch (entry->src_data[0]) {
3254         case 0: /* vblank */
3255                 if (disp_int & interrupt_status_offsets[crtc].vblank)
3256                         dce_v10_0_crtc_vblank_int_ack(adev, crtc);
3257                 else
3258                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3259
3260                 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3261                         drm_handle_vblank(adev_to_drm(adev), crtc);
3262                 }
3263                 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3264
3265                 break;
3266         case 1: /* vline */
3267                 if (disp_int & interrupt_status_offsets[crtc].vline)
3268                         dce_v10_0_crtc_vline_int_ack(adev, crtc);
3269                 else
3270                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3271
3272                 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3273
3274                 break;
3275         default:
3276                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3277                 break;
3278         }
3279
3280         return 0;
3281 }
3282
3283 static int dce_v10_0_hpd_irq(struct amdgpu_device *adev,
3284                              struct amdgpu_irq_src *source,
3285                              struct amdgpu_iv_entry *entry)
3286 {
3287         uint32_t disp_int, mask;
3288         unsigned hpd;
3289
3290         if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3291                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3292                 return 0;
3293         }
3294
3295         hpd = entry->src_data[0];
3296         disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3297         mask = interrupt_status_offsets[hpd].hpd;
3298
3299         if (disp_int & mask) {
3300                 dce_v10_0_hpd_int_ack(adev, hpd);
3301                 schedule_delayed_work(&adev->hotplug_work, 0);
3302                 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3303         }
3304
3305         return 0;
3306 }
3307
3308 static int dce_v10_0_set_clockgating_state(void *handle,
3309                                           enum amd_clockgating_state state)
3310 {
3311         return 0;
3312 }
3313
3314 static int dce_v10_0_set_powergating_state(void *handle,
3315                                           enum amd_powergating_state state)
3316 {
3317         return 0;
3318 }
3319
3320 static const struct amd_ip_funcs dce_v10_0_ip_funcs = {
3321         .name = "dce_v10_0",
3322         .early_init = dce_v10_0_early_init,
3323         .late_init = NULL,
3324         .sw_init = dce_v10_0_sw_init,
3325         .sw_fini = dce_v10_0_sw_fini,
3326         .hw_init = dce_v10_0_hw_init,
3327         .hw_fini = dce_v10_0_hw_fini,
3328         .suspend = dce_v10_0_suspend,
3329         .resume = dce_v10_0_resume,
3330         .is_idle = dce_v10_0_is_idle,
3331         .wait_for_idle = dce_v10_0_wait_for_idle,
3332         .check_soft_reset = dce_v10_0_check_soft_reset,
3333         .soft_reset = dce_v10_0_soft_reset,
3334         .set_clockgating_state = dce_v10_0_set_clockgating_state,
3335         .set_powergating_state = dce_v10_0_set_powergating_state,
3336         .dump_ip_state = NULL,
3337         .print_ip_state = NULL,
3338 };
3339
3340 static void
3341 dce_v10_0_encoder_mode_set(struct drm_encoder *encoder,
3342                           struct drm_display_mode *mode,
3343                           struct drm_display_mode *adjusted_mode)
3344 {
3345         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3346
3347         amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3348
3349         /* need to call this here rather than in prepare() since we need some crtc info */
3350         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3351
3352         /* set scaler clears this on some chips */
3353         dce_v10_0_set_interleave(encoder->crtc, mode);
3354
3355         if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3356                 dce_v10_0_afmt_enable(encoder, true);
3357                 dce_v10_0_afmt_setmode(encoder, adjusted_mode);
3358         }
3359 }
3360
3361 static void dce_v10_0_encoder_prepare(struct drm_encoder *encoder)
3362 {
3363         struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3364         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3365         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3366
3367         if ((amdgpu_encoder->active_device &
3368              (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3369             (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3370              ENCODER_OBJECT_ID_NONE)) {
3371                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3372                 if (dig) {
3373                         dig->dig_encoder = dce_v10_0_pick_dig_encoder(encoder);
3374                         if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3375                                 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3376                 }
3377         }
3378
3379         amdgpu_atombios_scratch_regs_lock(adev, true);
3380
3381         if (connector) {
3382                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3383
3384                 /* select the clock/data port if it uses a router */
3385                 if (amdgpu_connector->router.cd_valid)
3386                         amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3387
3388                 /* turn eDP panel on for mode set */
3389                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3390                         amdgpu_atombios_encoder_set_edp_panel_power(connector,
3391                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
3392         }
3393
3394         /* this is needed for the pll/ss setup to work correctly in some cases */
3395         amdgpu_atombios_encoder_set_crtc_source(encoder);
3396         /* set up the FMT blocks */
3397         dce_v10_0_program_fmt(encoder);
3398 }
3399
3400 static void dce_v10_0_encoder_commit(struct drm_encoder *encoder)
3401 {
3402         struct drm_device *dev = encoder->dev;
3403         struct amdgpu_device *adev = drm_to_adev(dev);
3404
3405         /* need to call this here as we need the crtc set up */
3406         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3407         amdgpu_atombios_scratch_regs_lock(adev, false);
3408 }
3409
3410 static void dce_v10_0_encoder_disable(struct drm_encoder *encoder)
3411 {
3412         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3413         struct amdgpu_encoder_atom_dig *dig;
3414
3415         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3416
3417         if (amdgpu_atombios_encoder_is_digital(encoder)) {
3418                 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3419                         dce_v10_0_afmt_enable(encoder, false);
3420                 dig = amdgpu_encoder->enc_priv;
3421                 dig->dig_encoder = -1;
3422         }
3423         amdgpu_encoder->active_device = 0;
3424 }
3425
3426 /* these are handled by the primary encoders */
3427 static void dce_v10_0_ext_prepare(struct drm_encoder *encoder)
3428 {
3429
3430 }
3431
3432 static void dce_v10_0_ext_commit(struct drm_encoder *encoder)
3433 {
3434
3435 }
3436
3437 static void
3438 dce_v10_0_ext_mode_set(struct drm_encoder *encoder,
3439                       struct drm_display_mode *mode,
3440                       struct drm_display_mode *adjusted_mode)
3441 {
3442
3443 }
3444
3445 static void dce_v10_0_ext_disable(struct drm_encoder *encoder)
3446 {
3447
3448 }
3449
3450 static void
3451 dce_v10_0_ext_dpms(struct drm_encoder *encoder, int mode)
3452 {
3453
3454 }
3455
3456 static const struct drm_encoder_helper_funcs dce_v10_0_ext_helper_funcs = {
3457         .dpms = dce_v10_0_ext_dpms,
3458         .prepare = dce_v10_0_ext_prepare,
3459         .mode_set = dce_v10_0_ext_mode_set,
3460         .commit = dce_v10_0_ext_commit,
3461         .disable = dce_v10_0_ext_disable,
3462         /* no detect for TMDS/LVDS yet */
3463 };
3464
3465 static const struct drm_encoder_helper_funcs dce_v10_0_dig_helper_funcs = {
3466         .dpms = amdgpu_atombios_encoder_dpms,
3467         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3468         .prepare = dce_v10_0_encoder_prepare,
3469         .mode_set = dce_v10_0_encoder_mode_set,
3470         .commit = dce_v10_0_encoder_commit,
3471         .disable = dce_v10_0_encoder_disable,
3472         .detect = amdgpu_atombios_encoder_dig_detect,
3473 };
3474
3475 static const struct drm_encoder_helper_funcs dce_v10_0_dac_helper_funcs = {
3476         .dpms = amdgpu_atombios_encoder_dpms,
3477         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3478         .prepare = dce_v10_0_encoder_prepare,
3479         .mode_set = dce_v10_0_encoder_mode_set,
3480         .commit = dce_v10_0_encoder_commit,
3481         .detect = amdgpu_atombios_encoder_dac_detect,
3482 };
3483
3484 static void dce_v10_0_encoder_destroy(struct drm_encoder *encoder)
3485 {
3486         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3487         if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3488                 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3489         kfree(amdgpu_encoder->enc_priv);
3490         drm_encoder_cleanup(encoder);
3491         kfree(amdgpu_encoder);
3492 }
3493
3494 static const struct drm_encoder_funcs dce_v10_0_encoder_funcs = {
3495         .destroy = dce_v10_0_encoder_destroy,
3496 };
3497
3498 static void dce_v10_0_encoder_add(struct amdgpu_device *adev,
3499                                  uint32_t encoder_enum,
3500                                  uint32_t supported_device,
3501                                  u16 caps)
3502 {
3503         struct drm_device *dev = adev_to_drm(adev);
3504         struct drm_encoder *encoder;
3505         struct amdgpu_encoder *amdgpu_encoder;
3506
3507         /* see if we already added it */
3508         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3509                 amdgpu_encoder = to_amdgpu_encoder(encoder);
3510                 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3511                         amdgpu_encoder->devices |= supported_device;
3512                         return;
3513                 }
3514
3515         }
3516
3517         /* add a new one */
3518         amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3519         if (!amdgpu_encoder)
3520                 return;
3521
3522         encoder = &amdgpu_encoder->base;
3523         switch (adev->mode_info.num_crtc) {
3524         case 1:
3525                 encoder->possible_crtcs = 0x1;
3526                 break;
3527         case 2:
3528         default:
3529                 encoder->possible_crtcs = 0x3;
3530                 break;
3531         case 4:
3532                 encoder->possible_crtcs = 0xf;
3533                 break;
3534         case 6:
3535                 encoder->possible_crtcs = 0x3f;
3536                 break;
3537         }
3538
3539         amdgpu_encoder->enc_priv = NULL;
3540
3541         amdgpu_encoder->encoder_enum = encoder_enum;
3542         amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3543         amdgpu_encoder->devices = supported_device;
3544         amdgpu_encoder->rmx_type = RMX_OFF;
3545         amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3546         amdgpu_encoder->is_ext_encoder = false;
3547         amdgpu_encoder->caps = caps;
3548
3549         switch (amdgpu_encoder->encoder_id) {
3550         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3551         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3552                 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3553                                  DRM_MODE_ENCODER_DAC, NULL);
3554                 drm_encoder_helper_add(encoder, &dce_v10_0_dac_helper_funcs);
3555                 break;
3556         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3557         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3558         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3559         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3560         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3561                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3562                         amdgpu_encoder->rmx_type = RMX_FULL;
3563                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3564                                          DRM_MODE_ENCODER_LVDS, NULL);
3565                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3566                 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3567                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3568                                          DRM_MODE_ENCODER_DAC, NULL);
3569                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3570                 } else {
3571                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3572                                          DRM_MODE_ENCODER_TMDS, NULL);
3573                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3574                 }
3575                 drm_encoder_helper_add(encoder, &dce_v10_0_dig_helper_funcs);
3576                 break;
3577         case ENCODER_OBJECT_ID_SI170B:
3578         case ENCODER_OBJECT_ID_CH7303:
3579         case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3580         case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3581         case ENCODER_OBJECT_ID_TITFP513:
3582         case ENCODER_OBJECT_ID_VT1623:
3583         case ENCODER_OBJECT_ID_HDMI_SI1930:
3584         case ENCODER_OBJECT_ID_TRAVIS:
3585         case ENCODER_OBJECT_ID_NUTMEG:
3586                 /* these are handled by the primary encoders */
3587                 amdgpu_encoder->is_ext_encoder = true;
3588                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3589                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3590                                          DRM_MODE_ENCODER_LVDS, NULL);
3591                 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3592                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3593                                          DRM_MODE_ENCODER_DAC, NULL);
3594                 else
3595                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3596                                          DRM_MODE_ENCODER_TMDS, NULL);
3597                 drm_encoder_helper_add(encoder, &dce_v10_0_ext_helper_funcs);
3598                 break;
3599         }
3600 }
3601
3602 static const struct amdgpu_display_funcs dce_v10_0_display_funcs = {
3603         .bandwidth_update = &dce_v10_0_bandwidth_update,
3604         .vblank_get_counter = &dce_v10_0_vblank_get_counter,
3605         .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3606         .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3607         .hpd_sense = &dce_v10_0_hpd_sense,
3608         .hpd_set_polarity = &dce_v10_0_hpd_set_polarity,
3609         .hpd_get_gpio_reg = &dce_v10_0_hpd_get_gpio_reg,
3610         .page_flip = &dce_v10_0_page_flip,
3611         .page_flip_get_scanoutpos = &dce_v10_0_crtc_get_scanoutpos,
3612         .add_encoder = &dce_v10_0_encoder_add,
3613         .add_connector = &amdgpu_connector_add,
3614 };
3615
3616 static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev)
3617 {
3618         adev->mode_info.funcs = &dce_v10_0_display_funcs;
3619 }
3620
3621 static const struct amdgpu_irq_src_funcs dce_v10_0_crtc_irq_funcs = {
3622         .set = dce_v10_0_set_crtc_irq_state,
3623         .process = dce_v10_0_crtc_irq,
3624 };
3625
3626 static const struct amdgpu_irq_src_funcs dce_v10_0_pageflip_irq_funcs = {
3627         .set = dce_v10_0_set_pageflip_irq_state,
3628         .process = dce_v10_0_pageflip_irq,
3629 };
3630
3631 static const struct amdgpu_irq_src_funcs dce_v10_0_hpd_irq_funcs = {
3632         .set = dce_v10_0_set_hpd_irq_state,
3633         .process = dce_v10_0_hpd_irq,
3634 };
3635
3636 static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev)
3637 {
3638         if (adev->mode_info.num_crtc > 0)
3639                 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3640         else
3641                 adev->crtc_irq.num_types = 0;
3642         adev->crtc_irq.funcs = &dce_v10_0_crtc_irq_funcs;
3643
3644         adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3645         adev->pageflip_irq.funcs = &dce_v10_0_pageflip_irq_funcs;
3646
3647         adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3648         adev->hpd_irq.funcs = &dce_v10_0_hpd_irq_funcs;
3649 }
3650
3651 const struct amdgpu_ip_block_version dce_v10_0_ip_block = {
3652         .type = AMD_IP_BLOCK_TYPE_DCE,
3653         .major = 10,
3654         .minor = 0,
3655         .rev = 0,
3656         .funcs = &dce_v10_0_ip_funcs,
3657 };
3658
3659 const struct amdgpu_ip_block_version dce_v10_1_ip_block = {
3660         .type = AMD_IP_BLOCK_TYPE_DCE,
3661         .major = 10,
3662         .minor = 1,
3663         .rev = 0,
3664         .funcs = &dce_v10_0_ip_funcs,
3665 };