Linux Audio

Check our new training course

Loading...
v6.13.7
   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_v11_0.h"
  42
  43#include "dce/dce_11_0_d.h"
  44#include "dce/dce_11_0_sh_mask.h"
  45#include "dce/dce_11_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
  53static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
  54static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
  55static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev, int hpd);
  56
  57static const u32 crtc_offsets[] =
  58{
  59	CRTC0_REGISTER_OFFSET,
  60	CRTC1_REGISTER_OFFSET,
  61	CRTC2_REGISTER_OFFSET,
  62	CRTC3_REGISTER_OFFSET,
  63	CRTC4_REGISTER_OFFSET,
  64	CRTC5_REGISTER_OFFSET,
  65	CRTC6_REGISTER_OFFSET
  66};
  67
  68static const u32 hpd_offsets[] =
  69{
  70	HPD0_REGISTER_OFFSET,
  71	HPD1_REGISTER_OFFSET,
  72	HPD2_REGISTER_OFFSET,
  73	HPD3_REGISTER_OFFSET,
  74	HPD4_REGISTER_OFFSET,
  75	HPD5_REGISTER_OFFSET
  76};
  77
  78static const uint32_t dig_offsets[] = {
  79	DIG0_REGISTER_OFFSET,
  80	DIG1_REGISTER_OFFSET,
  81	DIG2_REGISTER_OFFSET,
  82	DIG3_REGISTER_OFFSET,
  83	DIG4_REGISTER_OFFSET,
  84	DIG5_REGISTER_OFFSET,
  85	DIG6_REGISTER_OFFSET,
  86	DIG7_REGISTER_OFFSET,
  87	DIG8_REGISTER_OFFSET
  88};
  89
  90static const struct {
  91	uint32_t        reg;
  92	uint32_t        vblank;
  93	uint32_t        vline;
  94	uint32_t        hpd;
  95
  96} interrupt_status_offsets[] = { {
  97	.reg = mmDISP_INTERRUPT_STATUS,
  98	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
  99	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
 100	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
 101}, {
 102	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
 103	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
 104	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
 105	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
 106}, {
 107	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
 108	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
 109	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
 110	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
 111}, {
 112	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
 113	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
 114	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
 115	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
 116}, {
 117	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
 118	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
 119	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
 120	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
 121}, {
 122	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
 123	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
 124	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
 125	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
 126} };
 127
 128static const u32 cz_golden_settings_a11[] =
 129{
 130	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
 131	mmFBC_MISC, 0x1f311fff, 0x14300000,
 132};
 133
 134static const u32 cz_mgcg_cgcg_init[] =
 135{
 136	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 137	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 138};
 139
 140static const u32 stoney_golden_settings_a11[] =
 141{
 142	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
 143	mmFBC_MISC, 0x1f311fff, 0x14302000,
 144};
 145
 146static const u32 polaris11_golden_settings_a11[] =
 147{
 148	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 149	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 150	mmFBC_DEBUG1, 0xffffffff, 0x00000008,
 151	mmFBC_MISC, 0x9f313fff, 0x14302008,
 152	mmHDMI_CONTROL, 0x313f031f, 0x00000011,
 153};
 154
 155static const u32 polaris10_golden_settings_a11[] =
 156{
 157	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 158	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 159	mmFBC_MISC, 0x9f313fff, 0x14302008,
 160	mmHDMI_CONTROL, 0x313f031f, 0x00000011,
 161};
 162
 163static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
 164{
 165	switch (adev->asic_type) {
 166	case CHIP_CARRIZO:
 167		amdgpu_device_program_register_sequence(adev,
 168							cz_mgcg_cgcg_init,
 169							ARRAY_SIZE(cz_mgcg_cgcg_init));
 170		amdgpu_device_program_register_sequence(adev,
 171							cz_golden_settings_a11,
 172							ARRAY_SIZE(cz_golden_settings_a11));
 173		break;
 174	case CHIP_STONEY:
 175		amdgpu_device_program_register_sequence(adev,
 176							stoney_golden_settings_a11,
 177							ARRAY_SIZE(stoney_golden_settings_a11));
 178		break;
 179	case CHIP_POLARIS11:
 180	case CHIP_POLARIS12:
 181		amdgpu_device_program_register_sequence(adev,
 182							polaris11_golden_settings_a11,
 183							ARRAY_SIZE(polaris11_golden_settings_a11));
 184		break;
 185	case CHIP_POLARIS10:
 186	case CHIP_VEGAM:
 187		amdgpu_device_program_register_sequence(adev,
 188							polaris10_golden_settings_a11,
 189							ARRAY_SIZE(polaris10_golden_settings_a11));
 190		break;
 191	default:
 192		break;
 193	}
 194}
 195
 196static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
 197				     u32 block_offset, u32 reg)
 198{
 199	unsigned long flags;
 200	u32 r;
 201
 202	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 203	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 204	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 205	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 206
 207	return r;
 208}
 209
 210static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
 211				      u32 block_offset, u32 reg, u32 v)
 212{
 213	unsigned long flags;
 214
 215	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 216	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 217	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 218	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 219}
 220
 221static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 222{
 223	if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
 224		return 0;
 225	else
 226		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 227}
 228
 229static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 230{
 231	unsigned i;
 232
 233	/* Enable pflip interrupts */
 234	for (i = 0; i < adev->mode_info.num_crtc; i++)
 235		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 236}
 237
 238static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 239{
 240	unsigned i;
 241
 242	/* Disable pflip interrupts */
 243	for (i = 0; i < adev->mode_info.num_crtc; i++)
 244		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 245}
 246
 247/**
 248 * dce_v11_0_page_flip - pageflip callback.
 249 *
 250 * @adev: amdgpu_device pointer
 251 * @crtc_id: crtc to cleanup pageflip on
 252 * @crtc_base: new address of the crtc (GPU MC address)
 253 * @async: asynchronous flip
 254 *
 255 * Triggers the actual pageflip by updating the primary
 256 * surface base address.
 257 */
 258static void dce_v11_0_page_flip(struct amdgpu_device *adev,
 259				int crtc_id, u64 crtc_base, bool async)
 260{
 261	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 262	struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
 263	u32 tmp;
 264
 265	/* flip immediate for async, default is vsync */
 266	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
 267	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
 268			    GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0);
 269	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 270	/* update pitch */
 271	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
 272	       fb->pitches[0] / fb->format->cpp[0]);
 273	/* update the scanout addresses */
 274	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 275	       upper_32_bits(crtc_base));
 276	/* writing to the low address triggers the update */
 277	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 278	       lower_32_bits(crtc_base));
 279	/* post the write */
 280	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 281}
 282
 283static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 284					u32 *vbl, u32 *position)
 285{
 286	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 287		return -EINVAL;
 288
 289	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 290	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 291
 292	return 0;
 293}
 294
 295/**
 296 * dce_v11_0_hpd_sense - hpd sense callback.
 297 *
 298 * @adev: amdgpu_device pointer
 299 * @hpd: hpd (hotplug detect) pin
 300 *
 301 * Checks if a digital monitor is connected (evergreen+).
 302 * Returns true if connected, false if not connected.
 303 */
 304static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
 305			       enum amdgpu_hpd_id hpd)
 306{
 307	bool connected = false;
 308
 309	if (hpd >= adev->mode_info.num_hpd)
 310		return connected;
 311
 312	if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
 313	    DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
 314		connected = true;
 315
 316	return connected;
 317}
 318
 319/**
 320 * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
 321 *
 322 * @adev: amdgpu_device pointer
 323 * @hpd: hpd (hotplug detect) pin
 324 *
 325 * Set the polarity of the hpd pin (evergreen+).
 326 */
 327static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
 328				      enum amdgpu_hpd_id hpd)
 329{
 330	u32 tmp;
 331	bool connected = dce_v11_0_hpd_sense(adev, hpd);
 332
 333	if (hpd >= adev->mode_info.num_hpd)
 334		return;
 335
 336	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
 337	if (connected)
 338		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
 339	else
 340		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
 341	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
 342}
 343
 344/**
 345 * dce_v11_0_hpd_init - hpd setup callback.
 346 *
 347 * @adev: amdgpu_device pointer
 348 *
 349 * Setup the hpd pins used by the card (evergreen+).
 350 * Enable the pin, set the polarity, and enable the hpd interrupts.
 351 */
 352static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
 353{
 354	struct drm_device *dev = adev_to_drm(adev);
 355	struct drm_connector *connector;
 356	struct drm_connector_list_iter iter;
 357	u32 tmp;
 358
 359	drm_connector_list_iter_begin(dev, &iter);
 360	drm_for_each_connector_iter(connector, &iter) {
 361		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 362
 363		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 364			continue;
 365
 366		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 367		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 368			/* don't try to enable hpd on eDP or LVDS avoid breaking the
 369			 * aux dp channel on imac and help (but not completely fix)
 370			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 371			 * also avoid interrupt storms during dpms.
 372			 */
 373			tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 374			tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
 375			WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 376			continue;
 377		}
 378
 379		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 380		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
 381		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 382
 383		tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 384		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 385				    DC_HPD_CONNECT_INT_DELAY,
 386				    AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
 387		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 388				    DC_HPD_DISCONNECT_INT_DELAY,
 389				    AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
 390		WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 391
 392		dce_v11_0_hpd_int_ack(adev, amdgpu_connector->hpd.hpd);
 393		dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 394		amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 395	}
 396	drm_connector_list_iter_end(&iter);
 397}
 398
 399/**
 400 * dce_v11_0_hpd_fini - hpd tear down callback.
 401 *
 402 * @adev: amdgpu_device pointer
 403 *
 404 * Tear down the hpd pins used by the card (evergreen+).
 405 * Disable the hpd interrupts.
 406 */
 407static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
 408{
 409	struct drm_device *dev = adev_to_drm(adev);
 410	struct drm_connector *connector;
 411	struct drm_connector_list_iter iter;
 412	u32 tmp;
 413
 414	drm_connector_list_iter_begin(dev, &iter);
 415	drm_for_each_connector_iter(connector, &iter) {
 416		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 417
 418		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 419			continue;
 420
 421		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 422		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
 423		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 424
 425		amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 426	}
 427	drm_connector_list_iter_end(&iter);
 428}
 429
 430static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 431{
 432	return mmDC_GPIO_HPD_A;
 433}
 434
 435static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
 436{
 437	u32 crtc_hung = 0;
 438	u32 crtc_status[6];
 439	u32 i, j, tmp;
 440
 441	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 442		tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 443		if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
 444			crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 445			crtc_hung |= (1 << i);
 446		}
 447	}
 448
 449	for (j = 0; j < 10; j++) {
 450		for (i = 0; i < adev->mode_info.num_crtc; i++) {
 451			if (crtc_hung & (1 << i)) {
 452				tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 453				if (tmp != crtc_status[i])
 454					crtc_hung &= ~(1 << i);
 455			}
 456		}
 457		if (crtc_hung == 0)
 458			return false;
 459		udelay(100);
 460	}
 461
 462	return true;
 463}
 464
 465static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
 466					   bool render)
 467{
 468	u32 tmp;
 469
 470	/* Lockout access through VGA aperture*/
 471	tmp = RREG32(mmVGA_HDP_CONTROL);
 472	if (render)
 473		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
 474	else
 475		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
 476	WREG32(mmVGA_HDP_CONTROL, tmp);
 477
 478	/* disable VGA render */
 479	tmp = RREG32(mmVGA_RENDER_CONTROL);
 480	if (render)
 481		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
 482	else
 483		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 484	WREG32(mmVGA_RENDER_CONTROL, tmp);
 485}
 486
 487static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev)
 488{
 489	int num_crtc = 0;
 490
 491	switch (adev->asic_type) {
 492	case CHIP_CARRIZO:
 493		num_crtc = 3;
 494		break;
 495	case CHIP_STONEY:
 496		num_crtc = 2;
 497		break;
 498	case CHIP_POLARIS10:
 499	case CHIP_VEGAM:
 500		num_crtc = 6;
 501		break;
 502	case CHIP_POLARIS11:
 503	case CHIP_POLARIS12:
 504		num_crtc = 5;
 505		break;
 506	default:
 507		num_crtc = 0;
 508	}
 509	return num_crtc;
 510}
 511
 512void dce_v11_0_disable_dce(struct amdgpu_device *adev)
 513{
 514	/*Disable VGA render and enabled crtc, if has DCE engine*/
 515	if (amdgpu_atombios_has_dce_engine_info(adev)) {
 516		u32 tmp;
 517		int crtc_enabled, i;
 518
 519		dce_v11_0_set_vga_render_state(adev, false);
 520
 521		/*Disable crtc*/
 522		for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) {
 523			crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
 524									 CRTC_CONTROL, CRTC_MASTER_EN);
 525			if (crtc_enabled) {
 526				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 527				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 528				tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
 529				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 530				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 531			}
 532		}
 533	}
 534}
 535
 536static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
 537{
 538	struct drm_device *dev = encoder->dev;
 539	struct amdgpu_device *adev = drm_to_adev(dev);
 540	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 541	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 542	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 543	int bpc = 0;
 544	u32 tmp = 0;
 545	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 546
 547	if (connector) {
 548		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 549		bpc = amdgpu_connector_get_monitor_bpc(connector);
 550		dither = amdgpu_connector->dither;
 551	}
 552
 553	/* LVDS/eDP FMT is set up by atom */
 554	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 555		return;
 556
 557	/* not needed for analog */
 558	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 559	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 560		return;
 561
 562	if (bpc == 0)
 563		return;
 564
 565	switch (bpc) {
 566	case 6:
 567		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 568			/* XXX sort out optimal dither settings */
 569			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 570			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 571			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 572			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
 573		} else {
 574			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 575			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
 576		}
 577		break;
 578	case 8:
 579		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 580			/* XXX sort out optimal dither settings */
 581			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 582			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 583			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 584			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 585			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
 586		} else {
 587			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 588			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
 589		}
 590		break;
 591	case 10:
 592		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 593			/* XXX sort out optimal dither settings */
 594			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 595			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 596			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 597			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 598			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
 599		} else {
 600			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 601			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
 602		}
 603		break;
 604	default:
 605		/* not needed */
 606		break;
 607	}
 608
 609	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 610}
 611
 612
 613/* display watermark setup */
 614/**
 615 * dce_v11_0_line_buffer_adjust - Set up the line buffer
 616 *
 617 * @adev: amdgpu_device pointer
 618 * @amdgpu_crtc: the selected display controller
 619 * @mode: the current display mode on the selected display
 620 * controller
 621 *
 622 * Setup up the line buffer allocation for
 623 * the selected display controller (CIK).
 624 * Returns the line buffer size in pixels.
 625 */
 626static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
 627				       struct amdgpu_crtc *amdgpu_crtc,
 628				       struct drm_display_mode *mode)
 629{
 630	u32 tmp, buffer_alloc, i, mem_cfg;
 631	u32 pipe_offset = amdgpu_crtc->crtc_id;
 632	/*
 633	 * Line Buffer Setup
 634	 * There are 6 line buffers, one for each display controllers.
 635	 * There are 3 partitions per LB. Select the number of partitions
 636	 * to enable based on the display width.  For display widths larger
 637	 * than 4096, you need use to use 2 display controllers and combine
 638	 * them using the stereo blender.
 639	 */
 640	if (amdgpu_crtc->base.enabled && mode) {
 641		if (mode->crtc_hdisplay < 1920) {
 642			mem_cfg = 1;
 643			buffer_alloc = 2;
 644		} else if (mode->crtc_hdisplay < 2560) {
 645			mem_cfg = 2;
 646			buffer_alloc = 2;
 647		} else if (mode->crtc_hdisplay < 4096) {
 648			mem_cfg = 0;
 649			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 650		} else {
 651			DRM_DEBUG_KMS("Mode too big for LB!\n");
 652			mem_cfg = 0;
 653			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 654		}
 655	} else {
 656		mem_cfg = 1;
 657		buffer_alloc = 0;
 658	}
 659
 660	tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
 661	tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
 662	WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
 663
 664	tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 665	tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
 666	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
 667
 668	for (i = 0; i < adev->usec_timeout; i++) {
 669		tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 670		if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
 671			break;
 672		udelay(1);
 673	}
 674
 675	if (amdgpu_crtc->base.enabled && mode) {
 676		switch (mem_cfg) {
 677		case 0:
 678		default:
 679			return 4096 * 2;
 680		case 1:
 681			return 1920 * 2;
 682		case 2:
 683			return 2560 * 2;
 684		}
 685	}
 686
 687	/* controller not enabled, so no lb used */
 688	return 0;
 689}
 690
 691/**
 692 * cik_get_number_of_dram_channels - get the number of dram channels
 693 *
 694 * @adev: amdgpu_device pointer
 695 *
 696 * Look up the number of video ram channels (CIK).
 697 * Used for display watermark bandwidth calculations
 698 * Returns the number of dram channels
 699 */
 700static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
 701{
 702	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 703
 704	switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
 705	case 0:
 706	default:
 707		return 1;
 708	case 1:
 709		return 2;
 710	case 2:
 711		return 4;
 712	case 3:
 713		return 8;
 714	case 4:
 715		return 3;
 716	case 5:
 717		return 6;
 718	case 6:
 719		return 10;
 720	case 7:
 721		return 12;
 722	case 8:
 723		return 16;
 724	}
 725}
 726
 727struct dce10_wm_params {
 728	u32 dram_channels; /* number of dram channels */
 729	u32 yclk;          /* bandwidth per dram data pin in kHz */
 730	u32 sclk;          /* engine clock in kHz */
 731	u32 disp_clk;      /* display clock in kHz */
 732	u32 src_width;     /* viewport width */
 733	u32 active_time;   /* active display time in ns */
 734	u32 blank_time;    /* blank time in ns */
 735	bool interlaced;    /* mode is interlaced */
 736	fixed20_12 vsc;    /* vertical scale ratio */
 737	u32 num_heads;     /* number of active crtcs */
 738	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 739	u32 lb_size;       /* line buffer allocated to pipe */
 740	u32 vtaps;         /* vertical scaler taps */
 741};
 742
 743/**
 744 * dce_v11_0_dram_bandwidth - get the dram bandwidth
 745 *
 746 * @wm: watermark calculation data
 747 *
 748 * Calculate the raw dram bandwidth (CIK).
 749 * Used for display watermark bandwidth calculations
 750 * Returns the dram bandwidth in MBytes/s
 751 */
 752static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
 753{
 754	/* Calculate raw DRAM Bandwidth */
 755	fixed20_12 dram_efficiency; /* 0.7 */
 756	fixed20_12 yclk, dram_channels, bandwidth;
 757	fixed20_12 a;
 758
 759	a.full = dfixed_const(1000);
 760	yclk.full = dfixed_const(wm->yclk);
 761	yclk.full = dfixed_div(yclk, a);
 762	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 763	a.full = dfixed_const(10);
 764	dram_efficiency.full = dfixed_const(7);
 765	dram_efficiency.full = dfixed_div(dram_efficiency, a);
 766	bandwidth.full = dfixed_mul(dram_channels, yclk);
 767	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 768
 769	return dfixed_trunc(bandwidth);
 770}
 771
 772/**
 773 * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
 774 *
 775 * @wm: watermark calculation data
 776 *
 777 * Calculate the dram bandwidth used for display (CIK).
 778 * Used for display watermark bandwidth calculations
 779 * Returns the dram bandwidth for display in MBytes/s
 780 */
 781static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 782{
 783	/* Calculate DRAM Bandwidth and the part allocated to display. */
 784	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 785	fixed20_12 yclk, dram_channels, bandwidth;
 786	fixed20_12 a;
 787
 788	a.full = dfixed_const(1000);
 789	yclk.full = dfixed_const(wm->yclk);
 790	yclk.full = dfixed_div(yclk, a);
 791	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 792	a.full = dfixed_const(10);
 793	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 794	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 795	bandwidth.full = dfixed_mul(dram_channels, yclk);
 796	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 797
 798	return dfixed_trunc(bandwidth);
 799}
 800
 801/**
 802 * dce_v11_0_data_return_bandwidth - get the data return bandwidth
 803 *
 804 * @wm: watermark calculation data
 805 *
 806 * Calculate the data return bandwidth used for display (CIK).
 807 * Used for display watermark bandwidth calculations
 808 * Returns the data return bandwidth in MBytes/s
 809 */
 810static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
 811{
 812	/* Calculate the display Data return Bandwidth */
 813	fixed20_12 return_efficiency; /* 0.8 */
 814	fixed20_12 sclk, bandwidth;
 815	fixed20_12 a;
 816
 817	a.full = dfixed_const(1000);
 818	sclk.full = dfixed_const(wm->sclk);
 819	sclk.full = dfixed_div(sclk, a);
 820	a.full = dfixed_const(10);
 821	return_efficiency.full = dfixed_const(8);
 822	return_efficiency.full = dfixed_div(return_efficiency, a);
 823	a.full = dfixed_const(32);
 824	bandwidth.full = dfixed_mul(a, sclk);
 825	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 826
 827	return dfixed_trunc(bandwidth);
 828}
 829
 830/**
 831 * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
 832 *
 833 * @wm: watermark calculation data
 834 *
 835 * Calculate the dmif bandwidth used for display (CIK).
 836 * Used for display watermark bandwidth calculations
 837 * Returns the dmif bandwidth in MBytes/s
 838 */
 839static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
 840{
 841	/* Calculate the DMIF Request Bandwidth */
 842	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
 843	fixed20_12 disp_clk, bandwidth;
 844	fixed20_12 a, b;
 845
 846	a.full = dfixed_const(1000);
 847	disp_clk.full = dfixed_const(wm->disp_clk);
 848	disp_clk.full = dfixed_div(disp_clk, a);
 849	a.full = dfixed_const(32);
 850	b.full = dfixed_mul(a, disp_clk);
 851
 852	a.full = dfixed_const(10);
 853	disp_clk_request_efficiency.full = dfixed_const(8);
 854	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
 855
 856	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
 857
 858	return dfixed_trunc(bandwidth);
 859}
 860
 861/**
 862 * dce_v11_0_available_bandwidth - get the min available bandwidth
 863 *
 864 * @wm: watermark calculation data
 865 *
 866 * Calculate the min available bandwidth used for display (CIK).
 867 * Used for display watermark bandwidth calculations
 868 * Returns the min available bandwidth in MBytes/s
 869 */
 870static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
 871{
 872	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
 873	u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
 874	u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
 875	u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
 876
 877	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
 878}
 879
 880/**
 881 * dce_v11_0_average_bandwidth - get the average available bandwidth
 882 *
 883 * @wm: watermark calculation data
 884 *
 885 * Calculate the average available bandwidth used for display (CIK).
 886 * Used for display watermark bandwidth calculations
 887 * Returns the average available bandwidth in MBytes/s
 888 */
 889static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
 890{
 891	/* Calculate the display mode Average Bandwidth
 892	 * DisplayMode should contain the source and destination dimensions,
 893	 * timing, etc.
 894	 */
 895	fixed20_12 bpp;
 896	fixed20_12 line_time;
 897	fixed20_12 src_width;
 898	fixed20_12 bandwidth;
 899	fixed20_12 a;
 900
 901	a.full = dfixed_const(1000);
 902	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
 903	line_time.full = dfixed_div(line_time, a);
 904	bpp.full = dfixed_const(wm->bytes_per_pixel);
 905	src_width.full = dfixed_const(wm->src_width);
 906	bandwidth.full = dfixed_mul(src_width, bpp);
 907	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
 908	bandwidth.full = dfixed_div(bandwidth, line_time);
 909
 910	return dfixed_trunc(bandwidth);
 911}
 912
 913/**
 914 * dce_v11_0_latency_watermark - get the latency watermark
 915 *
 916 * @wm: watermark calculation data
 917 *
 918 * Calculate the latency watermark (CIK).
 919 * Used for display watermark bandwidth calculations
 920 * Returns the latency watermark in ns
 921 */
 922static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
 923{
 924	/* First calculate the latency in ns */
 925	u32 mc_latency = 2000; /* 2000 ns. */
 926	u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
 927	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
 928	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
 929	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
 930	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
 931		(wm->num_heads * cursor_line_pair_return_time);
 932	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
 933	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
 934	u32 tmp, dmif_size = 12288;
 935	fixed20_12 a, b, c;
 936
 937	if (wm->num_heads == 0)
 938		return 0;
 939
 940	a.full = dfixed_const(2);
 941	b.full = dfixed_const(1);
 942	if ((wm->vsc.full > a.full) ||
 943	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
 944	    (wm->vtaps >= 5) ||
 945	    ((wm->vsc.full >= a.full) && wm->interlaced))
 946		max_src_lines_per_dst_line = 4;
 947	else
 948		max_src_lines_per_dst_line = 2;
 949
 950	a.full = dfixed_const(available_bandwidth);
 951	b.full = dfixed_const(wm->num_heads);
 952	a.full = dfixed_div(a, b);
 953	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
 954	tmp = min(dfixed_trunc(a), tmp);
 955
 956	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
 957
 958	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 959	b.full = dfixed_const(1000);
 960	c.full = dfixed_const(lb_fill_bw);
 961	b.full = dfixed_div(c, b);
 962	a.full = dfixed_div(a, b);
 963	line_fill_time = dfixed_trunc(a);
 964
 965	if (line_fill_time < wm->active_time)
 966		return latency;
 967	else
 968		return latency + (line_fill_time - wm->active_time);
 969
 970}
 971
 972/**
 973 * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
 974 * average and available dram bandwidth
 975 *
 976 * @wm: watermark calculation data
 977 *
 978 * Check if the display average bandwidth fits in the display
 979 * dram bandwidth (CIK).
 980 * Used for display watermark bandwidth calculations
 981 * Returns true if the display fits, false if not.
 982 */
 983static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 984{
 985	if (dce_v11_0_average_bandwidth(wm) <=
 986	    (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
 987		return true;
 988	else
 989		return false;
 990}
 991
 992/**
 993 * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
 994 * average and available bandwidth
 995 *
 996 * @wm: watermark calculation data
 997 *
 998 * Check if the display average bandwidth fits in the display
 999 * available bandwidth (CIK).
1000 * Used for display watermark bandwidth calculations
1001 * Returns true if the display fits, false if not.
1002 */
1003static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
1004{
1005	if (dce_v11_0_average_bandwidth(wm) <=
1006	    (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1007		return true;
1008	else
1009		return false;
1010}
1011
1012/**
1013 * dce_v11_0_check_latency_hiding - check latency hiding
1014 *
1015 * @wm: watermark calculation data
1016 *
1017 * Check latency hiding (CIK).
1018 * Used for display watermark bandwidth calculations
1019 * Returns true if the display fits, false if not.
1020 */
1021static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1022{
1023	u32 lb_partitions = wm->lb_size / wm->src_width;
1024	u32 line_time = wm->active_time + wm->blank_time;
1025	u32 latency_tolerant_lines;
1026	u32 latency_hiding;
1027	fixed20_12 a;
1028
1029	a.full = dfixed_const(1);
1030	if (wm->vsc.full > a.full)
1031		latency_tolerant_lines = 1;
1032	else {
1033		if (lb_partitions <= (wm->vtaps + 1))
1034			latency_tolerant_lines = 1;
1035		else
1036			latency_tolerant_lines = 2;
1037	}
1038
1039	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1040
1041	if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1042		return true;
1043	else
1044		return false;
1045}
1046
1047/**
1048 * dce_v11_0_program_watermarks - program display watermarks
1049 *
1050 * @adev: amdgpu_device pointer
1051 * @amdgpu_crtc: the selected display controller
1052 * @lb_size: line buffer size
1053 * @num_heads: number of display controllers in use
1054 *
1055 * Calculate and program the display watermarks for the
1056 * selected display controller (CIK).
1057 */
1058static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1059					struct amdgpu_crtc *amdgpu_crtc,
1060					u32 lb_size, u32 num_heads)
1061{
1062	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1063	struct dce10_wm_params wm_low, wm_high;
1064	u32 active_time;
1065	u32 line_time = 0;
1066	u32 latency_watermark_a = 0, latency_watermark_b = 0;
1067	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1068
1069	if (amdgpu_crtc->base.enabled && num_heads && mode) {
1070		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1071					    (u32)mode->clock);
1072		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1073					  (u32)mode->clock);
1074		line_time = min_t(u32, line_time, 65535);
1075
1076		/* watermark for high clocks */
1077		if (adev->pm.dpm_enabled) {
1078			wm_high.yclk =
1079				amdgpu_dpm_get_mclk(adev, false) * 10;
1080			wm_high.sclk =
1081				amdgpu_dpm_get_sclk(adev, false) * 10;
1082		} else {
1083			wm_high.yclk = adev->pm.current_mclk * 10;
1084			wm_high.sclk = adev->pm.current_sclk * 10;
1085		}
1086
1087		wm_high.disp_clk = mode->clock;
1088		wm_high.src_width = mode->crtc_hdisplay;
1089		wm_high.active_time = active_time;
1090		wm_high.blank_time = line_time - wm_high.active_time;
1091		wm_high.interlaced = false;
1092		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1093			wm_high.interlaced = true;
1094		wm_high.vsc = amdgpu_crtc->vsc;
1095		wm_high.vtaps = 1;
1096		if (amdgpu_crtc->rmx_type != RMX_OFF)
1097			wm_high.vtaps = 2;
1098		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1099		wm_high.lb_size = lb_size;
1100		wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1101		wm_high.num_heads = num_heads;
1102
1103		/* set for high clocks */
1104		latency_watermark_a = min_t(u32, dce_v11_0_latency_watermark(&wm_high), 65535);
1105
1106		/* possibly force display priority to high */
1107		/* should really do this at mode validation time... */
1108		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1109		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1110		    !dce_v11_0_check_latency_hiding(&wm_high) ||
1111		    (adev->mode_info.disp_priority == 2)) {
1112			DRM_DEBUG_KMS("force priority to high\n");
1113		}
1114
1115		/* watermark for low clocks */
1116		if (adev->pm.dpm_enabled) {
1117			wm_low.yclk =
1118				amdgpu_dpm_get_mclk(adev, true) * 10;
1119			wm_low.sclk =
1120				amdgpu_dpm_get_sclk(adev, true) * 10;
1121		} else {
1122			wm_low.yclk = adev->pm.current_mclk * 10;
1123			wm_low.sclk = adev->pm.current_sclk * 10;
1124		}
1125
1126		wm_low.disp_clk = mode->clock;
1127		wm_low.src_width = mode->crtc_hdisplay;
1128		wm_low.active_time = active_time;
1129		wm_low.blank_time = line_time - wm_low.active_time;
1130		wm_low.interlaced = false;
1131		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1132			wm_low.interlaced = true;
1133		wm_low.vsc = amdgpu_crtc->vsc;
1134		wm_low.vtaps = 1;
1135		if (amdgpu_crtc->rmx_type != RMX_OFF)
1136			wm_low.vtaps = 2;
1137		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1138		wm_low.lb_size = lb_size;
1139		wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1140		wm_low.num_heads = num_heads;
1141
1142		/* set for low clocks */
1143		latency_watermark_b = min_t(u32, dce_v11_0_latency_watermark(&wm_low), 65535);
1144
1145		/* possibly force display priority to high */
1146		/* should really do this at mode validation time... */
1147		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1148		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1149		    !dce_v11_0_check_latency_hiding(&wm_low) ||
1150		    (adev->mode_info.disp_priority == 2)) {
1151			DRM_DEBUG_KMS("force priority to high\n");
1152		}
1153		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1154	}
1155
1156	/* select wm A */
1157	wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1158	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1159	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1160	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1161	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1162	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1163	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1164	/* select wm B */
1165	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1166	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1167	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1168	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1169	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1170	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1171	/* restore original selection */
1172	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1173
1174	/* save values for DPM */
1175	amdgpu_crtc->line_time = line_time;
1176	amdgpu_crtc->wm_high = latency_watermark_a;
1177	amdgpu_crtc->wm_low = latency_watermark_b;
1178	/* Save number of lines the linebuffer leads before the scanout */
1179	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1180}
1181
1182/**
1183 * dce_v11_0_bandwidth_update - program display watermarks
1184 *
1185 * @adev: amdgpu_device pointer
1186 *
1187 * Calculate and program the display watermarks and line
1188 * buffer allocation (CIK).
1189 */
1190static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1191{
1192	struct drm_display_mode *mode = NULL;
1193	u32 num_heads = 0, lb_size;
1194	int i;
1195
1196	amdgpu_display_update_priority(adev);
1197
1198	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1199		if (adev->mode_info.crtcs[i]->base.enabled)
1200			num_heads++;
1201	}
1202	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1203		mode = &adev->mode_info.crtcs[i]->base.mode;
1204		lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1205		dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1206					    lb_size, num_heads);
1207	}
1208}
1209
1210static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1211{
1212	int i;
1213	u32 offset, tmp;
1214
1215	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1216		offset = adev->mode_info.audio.pin[i].offset;
1217		tmp = RREG32_AUDIO_ENDPT(offset,
1218					 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1219		if (((tmp &
1220		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1221		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1222			adev->mode_info.audio.pin[i].connected = false;
1223		else
1224			adev->mode_info.audio.pin[i].connected = true;
1225	}
1226}
1227
1228static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1229{
1230	int i;
1231
1232	dce_v11_0_audio_get_connected_pins(adev);
1233
1234	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1235		if (adev->mode_info.audio.pin[i].connected)
1236			return &adev->mode_info.audio.pin[i];
1237	}
1238	DRM_ERROR("No connected audio pins found!\n");
1239	return NULL;
1240}
1241
1242static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1243{
1244	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1245	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1246	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1247	u32 tmp;
1248
1249	if (!dig || !dig->afmt || !dig->afmt->pin)
1250		return;
1251
1252	tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1253	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1254	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1255}
1256
1257static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1258						struct drm_display_mode *mode)
1259{
1260	struct drm_device *dev = encoder->dev;
1261	struct amdgpu_device *adev = drm_to_adev(dev);
1262	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1263	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1264	struct drm_connector *connector;
1265	struct drm_connector_list_iter iter;
1266	struct amdgpu_connector *amdgpu_connector = NULL;
1267	u32 tmp;
1268	int interlace = 0;
1269
1270	if (!dig || !dig->afmt || !dig->afmt->pin)
1271		return;
1272
1273	drm_connector_list_iter_begin(dev, &iter);
1274	drm_for_each_connector_iter(connector, &iter) {
1275		if (connector->encoder == encoder) {
1276			amdgpu_connector = to_amdgpu_connector(connector);
1277			break;
1278		}
1279	}
1280	drm_connector_list_iter_end(&iter);
1281
1282	if (!amdgpu_connector) {
1283		DRM_ERROR("Couldn't find encoder's connector\n");
1284		return;
1285	}
1286
1287	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1288		interlace = 1;
1289	if (connector->latency_present[interlace]) {
1290		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1291				    VIDEO_LIPSYNC, connector->video_latency[interlace]);
1292		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1293				    AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1294	} else {
1295		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1296				    VIDEO_LIPSYNC, 0);
1297		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1298				    AUDIO_LIPSYNC, 0);
1299	}
1300	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1301			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1302}
1303
1304static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1305{
1306	struct drm_device *dev = encoder->dev;
1307	struct amdgpu_device *adev = drm_to_adev(dev);
1308	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1309	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1310	struct drm_connector *connector;
1311	struct drm_connector_list_iter iter;
1312	struct amdgpu_connector *amdgpu_connector = NULL;
1313	u32 tmp;
1314	u8 *sadb = NULL;
1315	int sad_count;
1316
1317	if (!dig || !dig->afmt || !dig->afmt->pin)
1318		return;
1319
1320	drm_connector_list_iter_begin(dev, &iter);
1321	drm_for_each_connector_iter(connector, &iter) {
1322		if (connector->encoder == encoder) {
1323			amdgpu_connector = to_amdgpu_connector(connector);
1324			break;
1325		}
1326	}
1327	drm_connector_list_iter_end(&iter);
1328
1329	if (!amdgpu_connector) {
1330		DRM_ERROR("Couldn't find encoder's connector\n");
1331		return;
1332	}
1333
1334	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector->edid, &sadb);
1335	if (sad_count < 0) {
1336		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1337		sad_count = 0;
1338	}
1339
1340	/* program the speaker allocation */
1341	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1342				 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1343	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1344			    DP_CONNECTION, 0);
1345	/* set HDMI mode */
1346	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1347			    HDMI_CONNECTION, 1);
1348	if (sad_count)
1349		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1350				    SPEAKER_ALLOCATION, sadb[0]);
1351	else
1352		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1353				    SPEAKER_ALLOCATION, 5); /* stereo */
1354	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1355			   ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1356
1357	kfree(sadb);
1358}
1359
1360static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1361{
1362	struct drm_device *dev = encoder->dev;
1363	struct amdgpu_device *adev = drm_to_adev(dev);
1364	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1365	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1366	struct drm_connector *connector;
1367	struct drm_connector_list_iter iter;
1368	struct amdgpu_connector *amdgpu_connector = NULL;
1369	struct cea_sad *sads;
1370	int i, sad_count;
1371
1372	static const u16 eld_reg_to_type[][2] = {
1373		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1374		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1375		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1376		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1377		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1378		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1379		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1380		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1381		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1382		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1383		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1384		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1385	};
1386
1387	if (!dig || !dig->afmt || !dig->afmt->pin)
1388		return;
1389
1390	drm_connector_list_iter_begin(dev, &iter);
1391	drm_for_each_connector_iter(connector, &iter) {
1392		if (connector->encoder == encoder) {
1393			amdgpu_connector = to_amdgpu_connector(connector);
1394			break;
1395		}
1396	}
1397	drm_connector_list_iter_end(&iter);
1398
1399	if (!amdgpu_connector) {
1400		DRM_ERROR("Couldn't find encoder's connector\n");
1401		return;
1402	}
1403
1404	sad_count = drm_edid_to_sad(amdgpu_connector->edid, &sads);
1405	if (sad_count < 0)
1406		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1407	if (sad_count <= 0)
1408		return;
1409	BUG_ON(!sads);
1410
1411	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1412		u32 tmp = 0;
1413		u8 stereo_freqs = 0;
1414		int max_channels = -1;
1415		int j;
1416
1417		for (j = 0; j < sad_count; j++) {
1418			struct cea_sad *sad = &sads[j];
1419
1420			if (sad->format == eld_reg_to_type[i][1]) {
1421				if (sad->channels > max_channels) {
1422					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1423							    MAX_CHANNELS, sad->channels);
1424					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1425							    DESCRIPTOR_BYTE_2, sad->byte2);
1426					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1427							    SUPPORTED_FREQUENCIES, sad->freq);
1428					max_channels = sad->channels;
1429				}
1430
1431				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1432					stereo_freqs |= sad->freq;
1433				else
1434					break;
1435			}
1436		}
1437
1438		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1439				    SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1440		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1441	}
1442
1443	kfree(sads);
1444}
1445
1446static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1447				  struct amdgpu_audio_pin *pin,
1448				  bool enable)
1449{
1450	if (!pin)
1451		return;
1452
1453	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1454			   enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1455}
1456
1457static const u32 pin_offsets[] =
1458{
1459	AUD0_REGISTER_OFFSET,
1460	AUD1_REGISTER_OFFSET,
1461	AUD2_REGISTER_OFFSET,
1462	AUD3_REGISTER_OFFSET,
1463	AUD4_REGISTER_OFFSET,
1464	AUD5_REGISTER_OFFSET,
1465	AUD6_REGISTER_OFFSET,
1466	AUD7_REGISTER_OFFSET,
1467};
1468
1469static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1470{
1471	int i;
1472
1473	if (!amdgpu_audio)
1474		return 0;
1475
1476	adev->mode_info.audio.enabled = true;
1477
1478	switch (adev->asic_type) {
1479	case CHIP_CARRIZO:
1480	case CHIP_STONEY:
1481		adev->mode_info.audio.num_pins = 7;
1482		break;
1483	case CHIP_POLARIS10:
1484	case CHIP_VEGAM:
1485		adev->mode_info.audio.num_pins = 8;
1486		break;
1487	case CHIP_POLARIS11:
1488	case CHIP_POLARIS12:
1489		adev->mode_info.audio.num_pins = 6;
1490		break;
1491	default:
1492		return -EINVAL;
1493	}
1494
1495	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1496		adev->mode_info.audio.pin[i].channels = -1;
1497		adev->mode_info.audio.pin[i].rate = -1;
1498		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1499		adev->mode_info.audio.pin[i].status_bits = 0;
1500		adev->mode_info.audio.pin[i].category_code = 0;
1501		adev->mode_info.audio.pin[i].connected = false;
1502		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1503		adev->mode_info.audio.pin[i].id = i;
1504		/* disable audio.  it will be set up later */
1505		/* XXX remove once we switch to ip funcs */
1506		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1507	}
1508
1509	return 0;
1510}
1511
1512static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1513{
1514	int i;
1515
1516	if (!amdgpu_audio)
1517		return;
1518
1519	if (!adev->mode_info.audio.enabled)
1520		return;
1521
1522	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1523		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1524
1525	adev->mode_info.audio.enabled = false;
1526}
1527
1528/*
1529 * update the N and CTS parameters for a given pixel clock rate
1530 */
1531static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1532{
1533	struct drm_device *dev = encoder->dev;
1534	struct amdgpu_device *adev = drm_to_adev(dev);
1535	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1536	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1537	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1538	u32 tmp;
1539
1540	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1541	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1542	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1543	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1544	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1545	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1546
1547	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1548	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1549	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1550	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1551	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1552	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1553
1554	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1555	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1556	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1557	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1558	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1559	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1560
1561}
1562
1563/*
1564 * build a HDMI Video Info Frame
1565 */
1566static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1567					       void *buffer, size_t size)
1568{
1569	struct drm_device *dev = encoder->dev;
1570	struct amdgpu_device *adev = drm_to_adev(dev);
1571	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1572	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1573	uint8_t *frame = buffer + 3;
1574	uint8_t *header = buffer;
1575
1576	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1577		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1578	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1579		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1580	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1581		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1582	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1583		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1584}
1585
1586static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1587{
1588	struct drm_device *dev = encoder->dev;
1589	struct amdgpu_device *adev = drm_to_adev(dev);
1590	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1591	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1592	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1593	u32 dto_phase = 24 * 1000;
1594	u32 dto_modulo = clock;
1595	u32 tmp;
1596
1597	if (!dig || !dig->afmt)
1598		return;
1599
1600	/* XXX two dtos; generally use dto0 for hdmi */
1601	/* Express [24MHz / target pixel clock] as an exact rational
1602	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1603	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1604	 */
1605	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1606	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1607			    amdgpu_crtc->crtc_id);
1608	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1609	WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1610	WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1611}
1612
1613/*
1614 * update the info frames with the data from the current display mode
1615 */
1616static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1617				  struct drm_display_mode *mode)
1618{
1619	struct drm_device *dev = encoder->dev;
1620	struct amdgpu_device *adev = drm_to_adev(dev);
1621	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1622	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1623	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1624	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1625	struct hdmi_avi_infoframe frame;
1626	ssize_t err;
1627	u32 tmp;
1628	int bpc = 8;
1629
1630	if (!dig || !dig->afmt)
1631		return;
1632
1633	/* Silent, r600_hdmi_enable will raise WARN for us */
1634	if (!dig->afmt->enabled)
1635		return;
1636
1637	/* hdmi deep color mode general control packets setup, if bpc > 8 */
1638	if (encoder->crtc) {
1639		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1640		bpc = amdgpu_crtc->bpc;
1641	}
1642
1643	/* disable audio prior to setting up hw */
1644	dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1645	dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1646
1647	dce_v11_0_audio_set_dto(encoder, mode->clock);
1648
1649	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1650	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1651	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1652
1653	WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1654
1655	tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1656	switch (bpc) {
1657	case 0:
1658	case 6:
1659	case 8:
1660	case 16:
1661	default:
1662		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1663		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1664		DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1665			  connector->name, bpc);
1666		break;
1667	case 10:
1668		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1669		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1670		DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1671			  connector->name);
1672		break;
1673	case 12:
1674		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1675		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1676		DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1677			  connector->name);
1678		break;
1679	}
1680	WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1681
1682	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1683	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1684	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1685	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1686	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1687
1688	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1689	/* enable audio info frames (frames won't be set until audio is enabled) */
1690	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1691	/* required for audio info values to be updated */
1692	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1693	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1694
1695	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1696	/* required for audio info values to be updated */
1697	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1698	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1699
1700	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1701	/* anything other than 0 */
1702	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1703	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1704
1705	WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1706
1707	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1708	/* set the default audio delay */
1709	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1710	/* should be suffient for all audio modes and small enough for all hblanks */
1711	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1712	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1713
1714	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1715	/* allow 60958 channel status fields to be updated */
1716	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1717	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1718
1719	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1720	if (bpc > 8)
1721		/* clear SW CTS value */
1722		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1723	else
1724		/* select SW CTS value */
1725		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1726	/* allow hw to sent ACR packets when required */
1727	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1728	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1729
1730	dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1731
1732	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1733	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1734	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1735
1736	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1737	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1738	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1739
1740	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1741	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1742	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1743	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1744	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1745	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1746	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1747	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1748
1749	dce_v11_0_audio_write_speaker_allocation(encoder);
1750
1751	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1752	       (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1753
1754	dce_v11_0_afmt_audio_select_pin(encoder);
1755	dce_v11_0_audio_write_sad_regs(encoder);
1756	dce_v11_0_audio_write_latency_fields(encoder, mode);
1757
1758	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1759	if (err < 0) {
1760		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1761		return;
1762	}
1763
1764	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1765	if (err < 0) {
1766		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1767		return;
1768	}
1769
1770	dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1771
1772	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1773	/* enable AVI info frames */
1774	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1775	/* required for audio info values to be updated */
1776	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1777	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1778
1779	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1780	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1781	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1782
1783	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1784	/* send audio packets */
1785	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1786	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1787
1788	WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1789	WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1790	WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1791	WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1792
1793	/* enable audio after to setting up hw */
1794	dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1795}
1796
1797static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1798{
1799	struct drm_device *dev = encoder->dev;
1800	struct amdgpu_device *adev = drm_to_adev(dev);
1801	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1802	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1803
1804	if (!dig || !dig->afmt)
1805		return;
1806
1807	/* Silent, r600_hdmi_enable will raise WARN for us */
1808	if (enable && dig->afmt->enabled)
1809		return;
1810	if (!enable && !dig->afmt->enabled)
1811		return;
1812
1813	if (!enable && dig->afmt->pin) {
1814		dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1815		dig->afmt->pin = NULL;
1816	}
1817
1818	dig->afmt->enabled = enable;
1819
1820	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1821		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1822}
1823
1824static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1825{
1826	int i;
1827
1828	for (i = 0; i < adev->mode_info.num_dig; i++)
1829		adev->mode_info.afmt[i] = NULL;
1830
1831	/* DCE11 has audio blocks tied to DIG encoders */
1832	for (i = 0; i < adev->mode_info.num_dig; i++) {
1833		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1834		if (adev->mode_info.afmt[i]) {
1835			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1836			adev->mode_info.afmt[i]->id = i;
1837		} else {
1838			int j;
1839			for (j = 0; j < i; j++) {
1840				kfree(adev->mode_info.afmt[j]);
1841				adev->mode_info.afmt[j] = NULL;
1842			}
1843			return -ENOMEM;
1844		}
1845	}
1846	return 0;
1847}
1848
1849static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1850{
1851	int i;
1852
1853	for (i = 0; i < adev->mode_info.num_dig; i++) {
1854		kfree(adev->mode_info.afmt[i]);
1855		adev->mode_info.afmt[i] = NULL;
1856	}
1857}
1858
1859static const u32 vga_control_regs[6] =
1860{
1861	mmD1VGA_CONTROL,
1862	mmD2VGA_CONTROL,
1863	mmD3VGA_CONTROL,
1864	mmD4VGA_CONTROL,
1865	mmD5VGA_CONTROL,
1866	mmD6VGA_CONTROL,
1867};
1868
1869static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
1870{
1871	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1872	struct drm_device *dev = crtc->dev;
1873	struct amdgpu_device *adev = drm_to_adev(dev);
1874	u32 vga_control;
1875
1876	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1877	if (enable)
1878		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1879	else
1880		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1881}
1882
1883static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
1884{
1885	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1886	struct drm_device *dev = crtc->dev;
1887	struct amdgpu_device *adev = drm_to_adev(dev);
1888
1889	if (enable)
1890		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1891	else
1892		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1893}
1894
1895static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
1896				     struct drm_framebuffer *fb,
1897				     int x, int y, int atomic)
1898{
1899	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1900	struct drm_device *dev = crtc->dev;
1901	struct amdgpu_device *adev = drm_to_adev(dev);
1902	struct drm_framebuffer *target_fb;
1903	struct drm_gem_object *obj;
1904	struct amdgpu_bo *abo;
1905	uint64_t fb_location, tiling_flags;
1906	uint32_t fb_format, fb_pitch_pixels;
1907	u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1908	u32 pipe_config;
1909	u32 tmp, viewport_w, viewport_h;
1910	int r;
1911	bool bypass_lut = false;
 
1912
1913	/* no fb bound */
1914	if (!atomic && !crtc->primary->fb) {
1915		DRM_DEBUG_KMS("No FB bound\n");
1916		return 0;
1917	}
1918
1919	if (atomic)
1920		target_fb = fb;
1921	else
1922		target_fb = crtc->primary->fb;
1923
1924	/* If atomic, assume fb object is pinned & idle & fenced and
1925	 * just update base pointers
1926	 */
1927	obj = target_fb->obj[0];
1928	abo = gem_to_amdgpu_bo(obj);
1929	r = amdgpu_bo_reserve(abo, false);
1930	if (unlikely(r != 0))
1931		return r;
1932
1933	if (!atomic) {
1934		abo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
1935		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1936		if (unlikely(r != 0)) {
1937			amdgpu_bo_unreserve(abo);
1938			return -EINVAL;
1939		}
1940	}
1941	fb_location = amdgpu_bo_gpu_offset(abo);
1942
1943	amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1944	amdgpu_bo_unreserve(abo);
1945
1946	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1947
1948	switch (target_fb->format->format) {
1949	case DRM_FORMAT_C8:
1950		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1951		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1952		break;
1953	case DRM_FORMAT_XRGB4444:
1954	case DRM_FORMAT_ARGB4444:
1955		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1956		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1957#ifdef __BIG_ENDIAN
1958		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1959					ENDIAN_8IN16);
1960#endif
1961		break;
1962	case DRM_FORMAT_XRGB1555:
1963	case DRM_FORMAT_ARGB1555:
1964		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1965		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1966#ifdef __BIG_ENDIAN
1967		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1968					ENDIAN_8IN16);
1969#endif
1970		break;
1971	case DRM_FORMAT_BGRX5551:
1972	case DRM_FORMAT_BGRA5551:
1973		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1974		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1975#ifdef __BIG_ENDIAN
1976		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1977					ENDIAN_8IN16);
1978#endif
1979		break;
1980	case DRM_FORMAT_RGB565:
1981		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1982		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1983#ifdef __BIG_ENDIAN
1984		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1985					ENDIAN_8IN16);
1986#endif
1987		break;
1988	case DRM_FORMAT_XRGB8888:
1989	case DRM_FORMAT_ARGB8888:
1990		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1991		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1992#ifdef __BIG_ENDIAN
1993		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1994					ENDIAN_8IN32);
1995#endif
1996		break;
1997	case DRM_FORMAT_XRGB2101010:
1998	case DRM_FORMAT_ARGB2101010:
1999		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2000		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2001#ifdef __BIG_ENDIAN
2002		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2003					ENDIAN_8IN32);
2004#endif
2005		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2006		bypass_lut = true;
2007		break;
2008	case DRM_FORMAT_BGRX1010102:
2009	case DRM_FORMAT_BGRA1010102:
2010		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2011		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2012#ifdef __BIG_ENDIAN
2013		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2014					ENDIAN_8IN32);
2015#endif
2016		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2017		bypass_lut = true;
2018		break;
2019	case DRM_FORMAT_XBGR8888:
2020	case DRM_FORMAT_ABGR8888:
2021		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2022		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2023		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
2024		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
2025#ifdef __BIG_ENDIAN
2026		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2027					ENDIAN_8IN32);
2028#endif
2029		break;
2030	default:
2031		DRM_ERROR("Unsupported screen format %p4cc\n",
2032			  &target_fb->format->format);
2033		return -EINVAL;
2034	}
2035
2036	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2037		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2038
2039		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2040		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2041		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2042		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2043		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2044
2045		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2046		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2047					  ARRAY_2D_TILED_THIN1);
2048		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2049					  tile_split);
2050		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2051		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2052		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2053					  mtaspect);
2054		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2055					  ADDR_SURF_MICRO_TILING_DISPLAY);
2056	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2057		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2058					  ARRAY_1D_TILED_THIN1);
2059	}
2060
2061	fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2062				  pipe_config);
2063
2064	dce_v11_0_vga_enable(crtc, false);
2065
2066	/* Make sure surface address is updated at vertical blank rather than
2067	 * horizontal blank
2068	 */
2069	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2070	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2071			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2072	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2073
2074	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2075	       upper_32_bits(fb_location));
2076	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2077	       upper_32_bits(fb_location));
2078	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2079	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2080	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2081	       (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2082	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2083	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2084
2085	/*
2086	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2087	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2088	 * retain the full precision throughout the pipeline.
2089	 */
2090	tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2091	if (bypass_lut)
2092		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2093	else
2094		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2095	WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2096
2097	if (bypass_lut)
2098		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2099
2100	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2101	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2102	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2103	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2104	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2105	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2106
2107	fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2108	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2109
2110	dce_v11_0_grph_enable(crtc, true);
2111
2112	WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2113	       target_fb->height);
2114
2115	x &= ~3;
2116	y &= ~1;
2117	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2118	       (x << 16) | y);
2119	viewport_w = crtc->mode.hdisplay;
2120	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2121	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2122	       (viewport_w << 16) | viewport_h);
2123
2124	/* set pageflip to happen anywhere in vblank interval */
2125	WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2126
2127	if (!atomic && fb && fb != crtc->primary->fb) {
2128		abo = gem_to_amdgpu_bo(fb->obj[0]);
2129		r = amdgpu_bo_reserve(abo, true);
2130		if (unlikely(r != 0))
2131			return r;
2132		amdgpu_bo_unpin(abo);
2133		amdgpu_bo_unreserve(abo);
2134	}
2135
2136	/* Bytes per pixel may have changed */
2137	dce_v11_0_bandwidth_update(adev);
2138
2139	return 0;
2140}
2141
2142static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2143				     struct drm_display_mode *mode)
2144{
2145	struct drm_device *dev = crtc->dev;
2146	struct amdgpu_device *adev = drm_to_adev(dev);
2147	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2148	u32 tmp;
2149
2150	tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2151	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2152		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2153	else
2154		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2155	WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2156}
2157
2158static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2159{
2160	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2161	struct drm_device *dev = crtc->dev;
2162	struct amdgpu_device *adev = drm_to_adev(dev);
2163	u16 *r, *g, *b;
2164	int i;
2165	u32 tmp;
2166
2167	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2168
2169	tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2170	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2171	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2172
2173	tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2174	tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2175	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2176
2177	tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2178	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2179	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2180
2181	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2182
2183	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2184	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2185	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2186
2187	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2188	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2189	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2190
2191	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2192	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2193
2194	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2195	r = crtc->gamma_store;
2196	g = r + crtc->gamma_size;
2197	b = g + crtc->gamma_size;
2198	for (i = 0; i < 256; i++) {
2199		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2200		       ((*r++ & 0xffc0) << 14) |
2201		       ((*g++ & 0xffc0) << 4) |
2202		       (*b++ >> 6));
2203	}
2204
2205	tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2206	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2207	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2208	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2209	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2210
2211	tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2212	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2213	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2214
2215	tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2216	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2217	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2218
2219	tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2220	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2221	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2222
2223	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2224	WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2225	/* XXX this only needs to be programmed once per crtc at startup,
2226	 * not sure where the best place for it is
2227	 */
2228	tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2229	tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2230	WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2231}
2232
2233static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2234{
2235	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2236	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2237
2238	switch (amdgpu_encoder->encoder_id) {
2239	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2240		if (dig->linkb)
2241			return 1;
2242		else
2243			return 0;
 
2244	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2245		if (dig->linkb)
2246			return 3;
2247		else
2248			return 2;
 
2249	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2250		if (dig->linkb)
2251			return 5;
2252		else
2253			return 4;
 
2254	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2255		return 6;
 
2256	default:
2257		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2258		return 0;
2259	}
2260}
2261
2262/**
2263 * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2264 *
2265 * @crtc: drm crtc
2266 *
2267 * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2268 * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2269 * monitors a dedicated PPLL must be used.  If a particular board has
2270 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2271 * as there is no need to program the PLL itself.  If we are not able to
2272 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2273 * avoid messing up an existing monitor.
2274 *
2275 * Asic specific PLL information
2276 *
2277 * DCE 10.x
2278 * Tonga
2279 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2280 * CI
2281 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2282 *
2283 */
2284static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2285{
2286	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2287	struct drm_device *dev = crtc->dev;
2288	struct amdgpu_device *adev = drm_to_adev(dev);
2289	u32 pll_in_use;
2290	int pll;
2291
2292	if ((adev->asic_type == CHIP_POLARIS10) ||
2293	    (adev->asic_type == CHIP_POLARIS11) ||
2294	    (adev->asic_type == CHIP_POLARIS12) ||
2295	    (adev->asic_type == CHIP_VEGAM)) {
2296		struct amdgpu_encoder *amdgpu_encoder =
2297			to_amdgpu_encoder(amdgpu_crtc->encoder);
2298		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2299
2300		if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2301			return ATOM_DP_DTO;
2302
2303		switch (amdgpu_encoder->encoder_id) {
2304		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2305			if (dig->linkb)
2306				return ATOM_COMBOPHY_PLL1;
2307			else
2308				return ATOM_COMBOPHY_PLL0;
 
2309		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2310			if (dig->linkb)
2311				return ATOM_COMBOPHY_PLL3;
2312			else
2313				return ATOM_COMBOPHY_PLL2;
 
2314		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2315			if (dig->linkb)
2316				return ATOM_COMBOPHY_PLL5;
2317			else
2318				return ATOM_COMBOPHY_PLL4;
 
2319		default:
2320			DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2321			return ATOM_PPLL_INVALID;
2322		}
2323	}
2324
2325	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2326		if (adev->clock.dp_extclk)
2327			/* skip PPLL programming if using ext clock */
2328			return ATOM_PPLL_INVALID;
2329		else {
2330			/* use the same PPLL for all DP monitors */
2331			pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2332			if (pll != ATOM_PPLL_INVALID)
2333				return pll;
2334		}
2335	} else {
2336		/* use the same PPLL for all monitors with the same clock */
2337		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2338		if (pll != ATOM_PPLL_INVALID)
2339			return pll;
2340	}
2341
2342	/* XXX need to determine what plls are available on each DCE11 part */
2343	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2344	if (adev->flags & AMD_IS_APU) {
2345		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2346			return ATOM_PPLL1;
2347		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2348			return ATOM_PPLL0;
2349		DRM_ERROR("unable to allocate a PPLL\n");
2350		return ATOM_PPLL_INVALID;
2351	} else {
2352		if (!(pll_in_use & (1 << ATOM_PPLL2)))
2353			return ATOM_PPLL2;
2354		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2355			return ATOM_PPLL1;
2356		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2357			return ATOM_PPLL0;
2358		DRM_ERROR("unable to allocate a PPLL\n");
2359		return ATOM_PPLL_INVALID;
2360	}
2361	return ATOM_PPLL_INVALID;
2362}
2363
2364static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2365{
2366	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2367	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2368	uint32_t cur_lock;
2369
2370	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2371	if (lock)
2372		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2373	else
2374		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2375	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2376}
2377
2378static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2379{
2380	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2381	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2382	u32 tmp;
2383
2384	tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2385	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2386	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2387}
2388
2389static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2390{
2391	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2392	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2393	u32 tmp;
2394
2395	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2396	       upper_32_bits(amdgpu_crtc->cursor_addr));
2397	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2398	       lower_32_bits(amdgpu_crtc->cursor_addr));
2399
2400	tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2401	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2402	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2403	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2404}
2405
2406static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2407					int x, int y)
2408{
2409	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2410	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2411	int xorigin = 0, yorigin = 0;
2412
2413	amdgpu_crtc->cursor_x = x;
2414	amdgpu_crtc->cursor_y = y;
2415
2416	/* avivo cursor are offset into the total surface */
2417	x += crtc->x;
2418	y += crtc->y;
2419	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2420
2421	if (x < 0) {
2422		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2423		x = 0;
2424	}
2425	if (y < 0) {
2426		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2427		y = 0;
2428	}
2429
2430	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2431	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2432	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2433	       ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2434
2435	return 0;
2436}
2437
2438static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2439				      int x, int y)
2440{
2441	int ret;
2442
2443	dce_v11_0_lock_cursor(crtc, true);
2444	ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2445	dce_v11_0_lock_cursor(crtc, false);
2446
2447	return ret;
2448}
2449
2450static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2451				      struct drm_file *file_priv,
2452				      uint32_t handle,
2453				      uint32_t width,
2454				      uint32_t height,
2455				      int32_t hot_x,
2456				      int32_t hot_y)
2457{
2458	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2459	struct drm_gem_object *obj;
2460	struct amdgpu_bo *aobj;
2461	int ret;
2462
2463	if (!handle) {
2464		/* turn off cursor */
2465		dce_v11_0_hide_cursor(crtc);
2466		obj = NULL;
2467		goto unpin;
2468	}
2469
2470	if ((width > amdgpu_crtc->max_cursor_width) ||
2471	    (height > amdgpu_crtc->max_cursor_height)) {
2472		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2473		return -EINVAL;
2474	}
2475
2476	obj = drm_gem_object_lookup(file_priv, handle);
2477	if (!obj) {
2478		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2479		return -ENOENT;
2480	}
2481
2482	aobj = gem_to_amdgpu_bo(obj);
2483	ret = amdgpu_bo_reserve(aobj, false);
2484	if (ret != 0) {
2485		drm_gem_object_put(obj);
2486		return ret;
2487	}
2488
2489	aobj->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
2490	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2491	amdgpu_bo_unreserve(aobj);
2492	if (ret) {
2493		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2494		drm_gem_object_put(obj);
2495		return ret;
2496	}
2497	amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2498
2499	dce_v11_0_lock_cursor(crtc, true);
2500
2501	if (width != amdgpu_crtc->cursor_width ||
2502	    height != amdgpu_crtc->cursor_height ||
2503	    hot_x != amdgpu_crtc->cursor_hot_x ||
2504	    hot_y != amdgpu_crtc->cursor_hot_y) {
2505		int x, y;
2506
2507		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2508		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2509
2510		dce_v11_0_cursor_move_locked(crtc, x, y);
2511
2512		amdgpu_crtc->cursor_width = width;
2513		amdgpu_crtc->cursor_height = height;
2514		amdgpu_crtc->cursor_hot_x = hot_x;
2515		amdgpu_crtc->cursor_hot_y = hot_y;
2516	}
2517
2518	dce_v11_0_show_cursor(crtc);
2519	dce_v11_0_lock_cursor(crtc, false);
2520
2521unpin:
2522	if (amdgpu_crtc->cursor_bo) {
2523		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2524		ret = amdgpu_bo_reserve(aobj, true);
2525		if (likely(ret == 0)) {
2526			amdgpu_bo_unpin(aobj);
2527			amdgpu_bo_unreserve(aobj);
2528		}
2529		drm_gem_object_put(amdgpu_crtc->cursor_bo);
2530	}
2531
2532	amdgpu_crtc->cursor_bo = obj;
2533	return 0;
2534}
2535
2536static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2537{
2538	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2539
2540	if (amdgpu_crtc->cursor_bo) {
2541		dce_v11_0_lock_cursor(crtc, true);
2542
2543		dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2544					     amdgpu_crtc->cursor_y);
2545
2546		dce_v11_0_show_cursor(crtc);
2547
2548		dce_v11_0_lock_cursor(crtc, false);
2549	}
2550}
2551
2552static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2553				    u16 *blue, uint32_t size,
2554				    struct drm_modeset_acquire_ctx *ctx)
2555{
2556	dce_v11_0_crtc_load_lut(crtc);
2557
2558	return 0;
2559}
2560
2561static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2562{
2563	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2564
2565	drm_crtc_cleanup(crtc);
2566	kfree(amdgpu_crtc);
2567}
2568
2569static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2570	.cursor_set2 = dce_v11_0_crtc_cursor_set2,
2571	.cursor_move = dce_v11_0_crtc_cursor_move,
2572	.gamma_set = dce_v11_0_crtc_gamma_set,
2573	.set_config = amdgpu_display_crtc_set_config,
2574	.destroy = dce_v11_0_crtc_destroy,
2575	.page_flip_target = amdgpu_display_crtc_page_flip_target,
2576	.get_vblank_counter = amdgpu_get_vblank_counter_kms,
2577	.enable_vblank = amdgpu_enable_vblank_kms,
2578	.disable_vblank = amdgpu_disable_vblank_kms,
2579	.get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2580};
2581
2582static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2583{
2584	struct drm_device *dev = crtc->dev;
2585	struct amdgpu_device *adev = drm_to_adev(dev);
2586	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2587	unsigned type;
2588
2589	switch (mode) {
2590	case DRM_MODE_DPMS_ON:
2591		amdgpu_crtc->enabled = true;
2592		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2593		dce_v11_0_vga_enable(crtc, true);
2594		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2595		dce_v11_0_vga_enable(crtc, false);
2596		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2597		type = amdgpu_display_crtc_idx_to_irq_type(adev,
2598						amdgpu_crtc->crtc_id);
2599		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2600		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2601		drm_crtc_vblank_on(crtc);
2602		dce_v11_0_crtc_load_lut(crtc);
2603		break;
2604	case DRM_MODE_DPMS_STANDBY:
2605	case DRM_MODE_DPMS_SUSPEND:
2606	case DRM_MODE_DPMS_OFF:
2607		drm_crtc_vblank_off(crtc);
2608		if (amdgpu_crtc->enabled) {
2609			dce_v11_0_vga_enable(crtc, true);
2610			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2611			dce_v11_0_vga_enable(crtc, false);
2612		}
2613		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2614		amdgpu_crtc->enabled = false;
2615		break;
2616	}
2617	/* adjust pm to dpms */
2618	amdgpu_dpm_compute_clocks(adev);
2619}
2620
2621static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2622{
2623	/* disable crtc pair power gating before programming */
2624	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2625	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2626	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2627}
2628
2629static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2630{
2631	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2632	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2633}
2634
2635static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2636{
2637	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2638	struct drm_device *dev = crtc->dev;
2639	struct amdgpu_device *adev = drm_to_adev(dev);
2640	struct amdgpu_atom_ss ss;
2641	int i;
2642
2643	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2644	if (crtc->primary->fb) {
2645		int r;
2646		struct amdgpu_bo *abo;
2647
2648		abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2649		r = amdgpu_bo_reserve(abo, true);
2650		if (unlikely(r))
2651			DRM_ERROR("failed to reserve abo before unpin\n");
2652		else {
2653			amdgpu_bo_unpin(abo);
2654			amdgpu_bo_unreserve(abo);
2655		}
2656	}
2657	/* disable the GRPH */
2658	dce_v11_0_grph_enable(crtc, false);
2659
2660	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2661
2662	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2663		if (adev->mode_info.crtcs[i] &&
2664		    adev->mode_info.crtcs[i]->enabled &&
2665		    i != amdgpu_crtc->crtc_id &&
2666		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2667			/* one other crtc is using this pll don't turn
2668			 * off the pll
2669			 */
2670			goto done;
2671		}
2672	}
2673
2674	switch (amdgpu_crtc->pll_id) {
2675	case ATOM_PPLL0:
2676	case ATOM_PPLL1:
2677	case ATOM_PPLL2:
2678		/* disable the ppll */
2679		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2680						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2681		break;
2682	case ATOM_COMBOPHY_PLL0:
2683	case ATOM_COMBOPHY_PLL1:
2684	case ATOM_COMBOPHY_PLL2:
2685	case ATOM_COMBOPHY_PLL3:
2686	case ATOM_COMBOPHY_PLL4:
2687	case ATOM_COMBOPHY_PLL5:
2688		/* disable the ppll */
2689		amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id,
2690						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2691		break;
2692	default:
2693		break;
2694	}
2695done:
2696	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2697	amdgpu_crtc->adjusted_clock = 0;
2698	amdgpu_crtc->encoder = NULL;
2699	amdgpu_crtc->connector = NULL;
2700}
2701
2702static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2703				  struct drm_display_mode *mode,
2704				  struct drm_display_mode *adjusted_mode,
2705				  int x, int y, struct drm_framebuffer *old_fb)
2706{
2707	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2708	struct drm_device *dev = crtc->dev;
2709	struct amdgpu_device *adev = drm_to_adev(dev);
2710
2711	if (!amdgpu_crtc->adjusted_clock)
2712		return -EINVAL;
2713
2714	if ((adev->asic_type == CHIP_POLARIS10) ||
2715	    (adev->asic_type == CHIP_POLARIS11) ||
2716	    (adev->asic_type == CHIP_POLARIS12) ||
2717	    (adev->asic_type == CHIP_VEGAM)) {
2718		struct amdgpu_encoder *amdgpu_encoder =
2719			to_amdgpu_encoder(amdgpu_crtc->encoder);
2720		int encoder_mode =
2721			amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder);
2722
2723		/* SetPixelClock calculates the plls and ss values now */
2724		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id,
2725						 amdgpu_crtc->pll_id,
2726						 encoder_mode, amdgpu_encoder->encoder_id,
2727						 adjusted_mode->clock, 0, 0, 0, 0,
2728						 amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss);
2729	} else {
2730		amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2731	}
2732	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2733	dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2734	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2735	amdgpu_atombios_crtc_scaler_setup(crtc);
2736	dce_v11_0_cursor_reset(crtc);
2737	/* update the hw version fpr dpm */
2738	amdgpu_crtc->hw_mode = *adjusted_mode;
2739
2740	return 0;
2741}
2742
2743static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2744				     const struct drm_display_mode *mode,
2745				     struct drm_display_mode *adjusted_mode)
2746{
2747	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2748	struct drm_device *dev = crtc->dev;
2749	struct drm_encoder *encoder;
2750
2751	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2752	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2753		if (encoder->crtc == crtc) {
2754			amdgpu_crtc->encoder = encoder;
2755			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2756			break;
2757		}
2758	}
2759	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2760		amdgpu_crtc->encoder = NULL;
2761		amdgpu_crtc->connector = NULL;
2762		return false;
2763	}
2764	if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2765		return false;
2766	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2767		return false;
2768	/* pick pll */
2769	amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2770	/* if we can't get a PPLL for a non-DP encoder, fail */
2771	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2772	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2773		return false;
2774
2775	return true;
2776}
2777
2778static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2779				  struct drm_framebuffer *old_fb)
2780{
2781	return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2782}
2783
2784static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2785					 struct drm_framebuffer *fb,
2786					 int x, int y, enum mode_set_atomic state)
2787{
2788	return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2789}
2790
2791static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2792	.dpms = dce_v11_0_crtc_dpms,
2793	.mode_fixup = dce_v11_0_crtc_mode_fixup,
2794	.mode_set = dce_v11_0_crtc_mode_set,
2795	.mode_set_base = dce_v11_0_crtc_set_base,
2796	.mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2797	.prepare = dce_v11_0_crtc_prepare,
2798	.commit = dce_v11_0_crtc_commit,
2799	.disable = dce_v11_0_crtc_disable,
2800	.get_scanout_position = amdgpu_crtc_get_scanout_position,
2801};
2802
2803static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2804{
2805	struct amdgpu_crtc *amdgpu_crtc;
2806
2807	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2808			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2809	if (amdgpu_crtc == NULL)
2810		return -ENOMEM;
2811
2812	drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2813
2814	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2815	amdgpu_crtc->crtc_id = index;
2816	adev->mode_info.crtcs[index] = amdgpu_crtc;
2817
2818	amdgpu_crtc->max_cursor_width = 128;
2819	amdgpu_crtc->max_cursor_height = 128;
2820	adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2821	adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2822
2823	switch (amdgpu_crtc->crtc_id) {
2824	case 0:
2825	default:
2826		amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2827		break;
2828	case 1:
2829		amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2830		break;
2831	case 2:
2832		amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2833		break;
2834	case 3:
2835		amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2836		break;
2837	case 4:
2838		amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2839		break;
2840	case 5:
2841		amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2842		break;
2843	}
2844
2845	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2846	amdgpu_crtc->adjusted_clock = 0;
2847	amdgpu_crtc->encoder = NULL;
2848	amdgpu_crtc->connector = NULL;
2849	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2850
2851	return 0;
2852}
2853
2854static int dce_v11_0_early_init(struct amdgpu_ip_block *ip_block)
2855{
2856	struct amdgpu_device *adev = ip_block->adev;
2857
2858	adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2859	adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2860
2861	dce_v11_0_set_display_funcs(adev);
2862
2863	adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev);
2864
2865	switch (adev->asic_type) {
2866	case CHIP_CARRIZO:
2867		adev->mode_info.num_hpd = 6;
2868		adev->mode_info.num_dig = 9;
2869		break;
2870	case CHIP_STONEY:
2871		adev->mode_info.num_hpd = 6;
2872		adev->mode_info.num_dig = 9;
2873		break;
2874	case CHIP_POLARIS10:
2875	case CHIP_VEGAM:
2876		adev->mode_info.num_hpd = 6;
2877		adev->mode_info.num_dig = 6;
2878		break;
2879	case CHIP_POLARIS11:
2880	case CHIP_POLARIS12:
2881		adev->mode_info.num_hpd = 5;
2882		adev->mode_info.num_dig = 5;
2883		break;
2884	default:
2885		/* FIXME: not supported yet */
2886		return -EINVAL;
2887	}
2888
2889	dce_v11_0_set_irq_funcs(adev);
2890
2891	return 0;
2892}
2893
2894static int dce_v11_0_sw_init(struct amdgpu_ip_block *ip_block)
2895{
2896	int r, i;
2897	struct amdgpu_device *adev = ip_block->adev;
2898
2899	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2900		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2901		if (r)
2902			return r;
2903	}
2904
2905	for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2906		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2907		if (r)
2908			return r;
2909	}
2910
2911	/* HPD hotplug */
2912	r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2913	if (r)
2914		return r;
2915
2916	adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2917
2918	adev_to_drm(adev)->mode_config.async_page_flip = true;
2919
2920	adev_to_drm(adev)->mode_config.max_width = 16384;
2921	adev_to_drm(adev)->mode_config.max_height = 16384;
2922
2923	adev_to_drm(adev)->mode_config.preferred_depth = 24;
2924	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2925
2926	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2927
2928	r = amdgpu_display_modeset_create_props(adev);
2929	if (r)
2930		return r;
2931
2932	adev_to_drm(adev)->mode_config.max_width = 16384;
2933	adev_to_drm(adev)->mode_config.max_height = 16384;
2934
2935
2936	/* allocate crtcs */
2937	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2938		r = dce_v11_0_crtc_init(adev, i);
2939		if (r)
2940			return r;
2941	}
2942
2943	if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2944		amdgpu_display_print_display_setup(adev_to_drm(adev));
2945	else
2946		return -EINVAL;
2947
2948	/* setup afmt */
2949	r = dce_v11_0_afmt_init(adev);
2950	if (r)
2951		return r;
2952
2953	r = dce_v11_0_audio_init(adev);
2954	if (r)
2955		return r;
2956
2957	/* Disable vblank IRQs aggressively for power-saving */
2958	/* XXX: can this be enabled for DC? */
2959	adev_to_drm(adev)->vblank_disable_immediate = true;
2960
2961	r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2962	if (r)
2963		return r;
2964
2965	INIT_DELAYED_WORK(&adev->hotplug_work,
2966		  amdgpu_display_hotplug_work_func);
2967
2968	drm_kms_helper_poll_init(adev_to_drm(adev));
2969
2970	adev->mode_info.mode_config_initialized = true;
2971	return 0;
2972}
2973
2974static int dce_v11_0_sw_fini(struct amdgpu_ip_block *ip_block)
2975{
2976	struct amdgpu_device *adev = ip_block->adev;
2977
2978	drm_edid_free(adev->mode_info.bios_hardcoded_edid);
2979
2980	drm_kms_helper_poll_fini(adev_to_drm(adev));
2981
2982	dce_v11_0_audio_fini(adev);
2983
2984	dce_v11_0_afmt_fini(adev);
2985
2986	drm_mode_config_cleanup(adev_to_drm(adev));
2987	adev->mode_info.mode_config_initialized = false;
2988
2989	return 0;
2990}
2991
2992static int dce_v11_0_hw_init(struct amdgpu_ip_block *ip_block)
2993{
2994	int i;
2995	struct amdgpu_device *adev = ip_block->adev;
2996
2997	dce_v11_0_init_golden_registers(adev);
2998
2999	/* disable vga render */
3000	dce_v11_0_set_vga_render_state(adev, false);
3001	/* init dig PHYs, disp eng pll */
3002	amdgpu_atombios_crtc_powergate_init(adev);
3003	amdgpu_atombios_encoder_init_dig(adev);
3004	if ((adev->asic_type == CHIP_POLARIS10) ||
3005	    (adev->asic_type == CHIP_POLARIS11) ||
3006	    (adev->asic_type == CHIP_POLARIS12) ||
3007	    (adev->asic_type == CHIP_VEGAM)) {
3008		amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
3009						   DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
3010		amdgpu_atombios_crtc_set_dce_clock(adev, 0,
3011						   DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
3012	} else {
3013		amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3014	}
3015
3016	/* initialize hpd */
3017	dce_v11_0_hpd_init(adev);
3018
3019	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3020		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3021	}
3022
3023	dce_v11_0_pageflip_interrupt_init(adev);
3024
3025	return 0;
3026}
3027
3028static int dce_v11_0_hw_fini(struct amdgpu_ip_block *ip_block)
3029{
3030	int i;
3031	struct amdgpu_device *adev = ip_block->adev;
3032
3033	dce_v11_0_hpd_fini(adev);
3034
3035	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3036		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3037	}
3038
3039	dce_v11_0_pageflip_interrupt_fini(adev);
3040
3041	flush_delayed_work(&adev->hotplug_work);
3042
3043	return 0;
3044}
3045
3046static int dce_v11_0_suspend(struct amdgpu_ip_block *ip_block)
3047{
3048	struct amdgpu_device *adev = ip_block->adev;
3049	int r;
3050
3051	r = amdgpu_display_suspend_helper(adev);
3052	if (r)
3053		return r;
3054
3055	adev->mode_info.bl_level =
3056		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
3057
3058	return dce_v11_0_hw_fini(ip_block);
3059}
3060
3061static int dce_v11_0_resume(struct amdgpu_ip_block *ip_block)
3062{
3063	struct amdgpu_device *adev = ip_block->adev;
3064	int ret;
3065
3066	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
3067							   adev->mode_info.bl_level);
3068
3069	ret = dce_v11_0_hw_init(ip_block);
3070
3071	/* turn on the BL */
3072	if (adev->mode_info.bl_encoder) {
3073		u8 bl_level = amdgpu_display_backlight_get_level(adev,
3074								  adev->mode_info.bl_encoder);
3075		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3076						    bl_level);
3077	}
3078	if (ret)
3079		return ret;
3080
3081	return amdgpu_display_resume_helper(adev);
3082}
3083
3084static bool dce_v11_0_is_idle(void *handle)
3085{
3086	return true;
3087}
3088
3089static int dce_v11_0_soft_reset(struct amdgpu_ip_block *ip_block)
 
 
 
 
 
3090{
3091	u32 srbm_soft_reset = 0, tmp;
3092	struct amdgpu_device *adev = ip_block->adev;
3093
3094	if (dce_v11_0_is_display_hung(adev))
3095		srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3096
3097	if (srbm_soft_reset) {
3098		tmp = RREG32(mmSRBM_SOFT_RESET);
3099		tmp |= srbm_soft_reset;
3100		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3101		WREG32(mmSRBM_SOFT_RESET, tmp);
3102		tmp = RREG32(mmSRBM_SOFT_RESET);
3103
3104		udelay(50);
3105
3106		tmp &= ~srbm_soft_reset;
3107		WREG32(mmSRBM_SOFT_RESET, tmp);
3108		tmp = RREG32(mmSRBM_SOFT_RESET);
3109
3110		/* Wait a little for things to settle down */
3111		udelay(50);
3112	}
3113	return 0;
3114}
3115
3116static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3117						     int crtc,
3118						     enum amdgpu_interrupt_state state)
3119{
3120	u32 lb_interrupt_mask;
3121
3122	if (crtc >= adev->mode_info.num_crtc) {
3123		DRM_DEBUG("invalid crtc %d\n", crtc);
3124		return;
3125	}
3126
3127	switch (state) {
3128	case AMDGPU_IRQ_STATE_DISABLE:
3129		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3130		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3131						  VBLANK_INTERRUPT_MASK, 0);
3132		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3133		break;
3134	case AMDGPU_IRQ_STATE_ENABLE:
3135		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3136		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3137						  VBLANK_INTERRUPT_MASK, 1);
3138		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3139		break;
3140	default:
3141		break;
3142	}
3143}
3144
3145static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3146						    int crtc,
3147						    enum amdgpu_interrupt_state state)
3148{
3149	u32 lb_interrupt_mask;
3150
3151	if (crtc >= adev->mode_info.num_crtc) {
3152		DRM_DEBUG("invalid crtc %d\n", crtc);
3153		return;
3154	}
3155
3156	switch (state) {
3157	case AMDGPU_IRQ_STATE_DISABLE:
3158		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3159		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3160						  VLINE_INTERRUPT_MASK, 0);
3161		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3162		break;
3163	case AMDGPU_IRQ_STATE_ENABLE:
3164		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3165		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3166						  VLINE_INTERRUPT_MASK, 1);
3167		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3168		break;
3169	default:
3170		break;
3171	}
3172}
3173
3174static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3175					struct amdgpu_irq_src *source,
3176					unsigned hpd,
3177					enum amdgpu_interrupt_state state)
3178{
3179	u32 tmp;
3180
3181	if (hpd >= adev->mode_info.num_hpd) {
3182		DRM_DEBUG("invalid hdp %d\n", hpd);
3183		return 0;
3184	}
3185
3186	switch (state) {
3187	case AMDGPU_IRQ_STATE_DISABLE:
3188		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3189		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3190		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3191		break;
3192	case AMDGPU_IRQ_STATE_ENABLE:
3193		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3194		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3195		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3196		break;
3197	default:
3198		break;
3199	}
3200
3201	return 0;
3202}
3203
3204static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3205					struct amdgpu_irq_src *source,
3206					unsigned type,
3207					enum amdgpu_interrupt_state state)
3208{
3209	switch (type) {
3210	case AMDGPU_CRTC_IRQ_VBLANK1:
3211		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3212		break;
3213	case AMDGPU_CRTC_IRQ_VBLANK2:
3214		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3215		break;
3216	case AMDGPU_CRTC_IRQ_VBLANK3:
3217		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3218		break;
3219	case AMDGPU_CRTC_IRQ_VBLANK4:
3220		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3221		break;
3222	case AMDGPU_CRTC_IRQ_VBLANK5:
3223		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3224		break;
3225	case AMDGPU_CRTC_IRQ_VBLANK6:
3226		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3227		break;
3228	case AMDGPU_CRTC_IRQ_VLINE1:
3229		dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3230		break;
3231	case AMDGPU_CRTC_IRQ_VLINE2:
3232		dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3233		break;
3234	case AMDGPU_CRTC_IRQ_VLINE3:
3235		dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3236		break;
3237	case AMDGPU_CRTC_IRQ_VLINE4:
3238		dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3239		break;
3240	case AMDGPU_CRTC_IRQ_VLINE5:
3241		dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3242		break;
3243	 case AMDGPU_CRTC_IRQ_VLINE6:
3244		dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3245		break;
3246	default:
3247		break;
3248	}
3249	return 0;
3250}
3251
3252static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3253					    struct amdgpu_irq_src *src,
3254					    unsigned type,
3255					    enum amdgpu_interrupt_state state)
3256{
3257	u32 reg;
3258
3259	if (type >= adev->mode_info.num_crtc) {
3260		DRM_ERROR("invalid pageflip crtc %d\n", type);
3261		return -EINVAL;
3262	}
3263
3264	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3265	if (state == AMDGPU_IRQ_STATE_DISABLE)
3266		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3267		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3268	else
3269		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3270		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3271
3272	return 0;
3273}
3274
3275static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3276				  struct amdgpu_irq_src *source,
3277				  struct amdgpu_iv_entry *entry)
3278{
3279	unsigned long flags;
3280	unsigned crtc_id;
3281	struct amdgpu_crtc *amdgpu_crtc;
3282	struct amdgpu_flip_work *works;
3283
3284	crtc_id = (entry->src_id - 8) >> 1;
3285	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3286
3287	if (crtc_id >= adev->mode_info.num_crtc) {
3288		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3289		return -EINVAL;
3290	}
3291
3292	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3293	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3294		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3295		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3296
3297	/* IRQ could occur when in initial stage */
3298	if(amdgpu_crtc == NULL)
3299		return 0;
3300
3301	spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3302	works = amdgpu_crtc->pflip_works;
3303	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3304		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3305						 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3306						 amdgpu_crtc->pflip_status,
3307						 AMDGPU_FLIP_SUBMITTED);
3308		spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3309		return 0;
3310	}
3311
3312	/* page flip completed. clean up */
3313	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3314	amdgpu_crtc->pflip_works = NULL;
3315
3316	/* wakeup usersapce */
3317	if(works->event)
3318		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3319
3320	spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3321
3322	drm_crtc_vblank_put(&amdgpu_crtc->base);
3323	schedule_work(&works->unpin_work);
3324
3325	return 0;
3326}
3327
3328static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3329				  int hpd)
3330{
3331	u32 tmp;
3332
3333	if (hpd >= adev->mode_info.num_hpd) {
3334		DRM_DEBUG("invalid hdp %d\n", hpd);
3335		return;
3336	}
3337
3338	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3339	tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3340	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3341}
3342
3343static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3344					  int crtc)
3345{
3346	u32 tmp;
3347
3348	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3349		DRM_DEBUG("invalid crtc %d\n", crtc);
3350		return;
3351	}
3352
3353	tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3354	tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3355	WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3356}
3357
3358static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3359					 int crtc)
3360{
3361	u32 tmp;
3362
3363	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3364		DRM_DEBUG("invalid crtc %d\n", crtc);
3365		return;
3366	}
3367
3368	tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3369	tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3370	WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3371}
3372
3373static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3374				struct amdgpu_irq_src *source,
3375				struct amdgpu_iv_entry *entry)
3376{
3377	unsigned crtc = entry->src_id - 1;
3378	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3379	unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3380								    crtc);
3381
3382	switch (entry->src_data[0]) {
3383	case 0: /* vblank */
3384		if (disp_int & interrupt_status_offsets[crtc].vblank)
3385			dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3386		else
3387			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3388
3389		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3390			drm_handle_vblank(adev_to_drm(adev), crtc);
3391		}
3392		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3393
3394		break;
3395	case 1: /* vline */
3396		if (disp_int & interrupt_status_offsets[crtc].vline)
3397			dce_v11_0_crtc_vline_int_ack(adev, crtc);
3398		else
3399			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3400
3401		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3402
3403		break;
3404	default:
3405		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3406		break;
3407	}
3408
3409	return 0;
3410}
3411
3412static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3413			     struct amdgpu_irq_src *source,
3414			     struct amdgpu_iv_entry *entry)
3415{
3416	uint32_t disp_int, mask;
3417	unsigned hpd;
3418
3419	if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3420		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3421		return 0;
3422	}
3423
3424	hpd = entry->src_data[0];
3425	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3426	mask = interrupt_status_offsets[hpd].hpd;
3427
3428	if (disp_int & mask) {
3429		dce_v11_0_hpd_int_ack(adev, hpd);
3430		schedule_delayed_work(&adev->hotplug_work, 0);
3431		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3432	}
3433
3434	return 0;
3435}
3436
3437static int dce_v11_0_set_clockgating_state(void *handle,
3438					  enum amd_clockgating_state state)
3439{
3440	return 0;
3441}
3442
3443static int dce_v11_0_set_powergating_state(void *handle,
3444					  enum amd_powergating_state state)
3445{
3446	return 0;
3447}
3448
3449static const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3450	.name = "dce_v11_0",
3451	.early_init = dce_v11_0_early_init,
 
3452	.sw_init = dce_v11_0_sw_init,
3453	.sw_fini = dce_v11_0_sw_fini,
3454	.hw_init = dce_v11_0_hw_init,
3455	.hw_fini = dce_v11_0_hw_fini,
3456	.suspend = dce_v11_0_suspend,
3457	.resume = dce_v11_0_resume,
3458	.is_idle = dce_v11_0_is_idle,
 
3459	.soft_reset = dce_v11_0_soft_reset,
3460	.set_clockgating_state = dce_v11_0_set_clockgating_state,
3461	.set_powergating_state = dce_v11_0_set_powergating_state,
3462};
3463
3464static void
3465dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3466			  struct drm_display_mode *mode,
3467			  struct drm_display_mode *adjusted_mode)
3468{
3469	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3470
3471	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3472
3473	/* need to call this here rather than in prepare() since we need some crtc info */
3474	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3475
3476	/* set scaler clears this on some chips */
3477	dce_v11_0_set_interleave(encoder->crtc, mode);
3478
3479	if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3480		dce_v11_0_afmt_enable(encoder, true);
3481		dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3482	}
3483}
3484
3485static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3486{
3487	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3488	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3489	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3490
3491	if ((amdgpu_encoder->active_device &
3492	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3493	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3494	     ENCODER_OBJECT_ID_NONE)) {
3495		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3496		if (dig) {
3497			dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3498			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3499				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3500		}
3501	}
3502
3503	amdgpu_atombios_scratch_regs_lock(adev, true);
3504
3505	if (connector) {
3506		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3507
3508		/* select the clock/data port if it uses a router */
3509		if (amdgpu_connector->router.cd_valid)
3510			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3511
3512		/* turn eDP panel on for mode set */
3513		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3514			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3515							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3516	}
3517
3518	/* this is needed for the pll/ss setup to work correctly in some cases */
3519	amdgpu_atombios_encoder_set_crtc_source(encoder);
3520	/* set up the FMT blocks */
3521	dce_v11_0_program_fmt(encoder);
3522}
3523
3524static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3525{
3526	struct drm_device *dev = encoder->dev;
3527	struct amdgpu_device *adev = drm_to_adev(dev);
3528
3529	/* need to call this here as we need the crtc set up */
3530	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3531	amdgpu_atombios_scratch_regs_lock(adev, false);
3532}
3533
3534static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3535{
3536	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3537	struct amdgpu_encoder_atom_dig *dig;
3538
3539	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3540
3541	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3542		if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3543			dce_v11_0_afmt_enable(encoder, false);
3544		dig = amdgpu_encoder->enc_priv;
3545		dig->dig_encoder = -1;
3546	}
3547	amdgpu_encoder->active_device = 0;
3548}
3549
3550/* these are handled by the primary encoders */
3551static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3552{
3553
3554}
3555
3556static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3557{
3558
3559}
3560
3561static void
3562dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3563		      struct drm_display_mode *mode,
3564		      struct drm_display_mode *adjusted_mode)
3565{
3566
3567}
3568
3569static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3570{
3571
3572}
3573
3574static void
3575dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3576{
3577
3578}
3579
3580static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3581	.dpms = dce_v11_0_ext_dpms,
3582	.prepare = dce_v11_0_ext_prepare,
3583	.mode_set = dce_v11_0_ext_mode_set,
3584	.commit = dce_v11_0_ext_commit,
3585	.disable = dce_v11_0_ext_disable,
3586	/* no detect for TMDS/LVDS yet */
3587};
3588
3589static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3590	.dpms = amdgpu_atombios_encoder_dpms,
3591	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3592	.prepare = dce_v11_0_encoder_prepare,
3593	.mode_set = dce_v11_0_encoder_mode_set,
3594	.commit = dce_v11_0_encoder_commit,
3595	.disable = dce_v11_0_encoder_disable,
3596	.detect = amdgpu_atombios_encoder_dig_detect,
3597};
3598
3599static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3600	.dpms = amdgpu_atombios_encoder_dpms,
3601	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3602	.prepare = dce_v11_0_encoder_prepare,
3603	.mode_set = dce_v11_0_encoder_mode_set,
3604	.commit = dce_v11_0_encoder_commit,
3605	.detect = amdgpu_atombios_encoder_dac_detect,
3606};
3607
3608static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3609{
3610	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3611	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3612		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3613	kfree(amdgpu_encoder->enc_priv);
3614	drm_encoder_cleanup(encoder);
3615	kfree(amdgpu_encoder);
3616}
3617
3618static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3619	.destroy = dce_v11_0_encoder_destroy,
3620};
3621
3622static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3623				 uint32_t encoder_enum,
3624				 uint32_t supported_device,
3625				 u16 caps)
3626{
3627	struct drm_device *dev = adev_to_drm(adev);
3628	struct drm_encoder *encoder;
3629	struct amdgpu_encoder *amdgpu_encoder;
3630
3631	/* see if we already added it */
3632	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3633		amdgpu_encoder = to_amdgpu_encoder(encoder);
3634		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3635			amdgpu_encoder->devices |= supported_device;
3636			return;
3637		}
3638
3639	}
3640
3641	/* add a new one */
3642	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3643	if (!amdgpu_encoder)
3644		return;
3645
3646	encoder = &amdgpu_encoder->base;
3647	switch (adev->mode_info.num_crtc) {
3648	case 1:
3649		encoder->possible_crtcs = 0x1;
3650		break;
3651	case 2:
3652	default:
3653		encoder->possible_crtcs = 0x3;
3654		break;
3655	case 3:
3656		encoder->possible_crtcs = 0x7;
3657		break;
3658	case 4:
3659		encoder->possible_crtcs = 0xf;
3660		break;
3661	case 5:
3662		encoder->possible_crtcs = 0x1f;
3663		break;
3664	case 6:
3665		encoder->possible_crtcs = 0x3f;
3666		break;
3667	}
3668
3669	amdgpu_encoder->enc_priv = NULL;
3670
3671	amdgpu_encoder->encoder_enum = encoder_enum;
3672	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3673	amdgpu_encoder->devices = supported_device;
3674	amdgpu_encoder->rmx_type = RMX_OFF;
3675	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3676	amdgpu_encoder->is_ext_encoder = false;
3677	amdgpu_encoder->caps = caps;
3678
3679	switch (amdgpu_encoder->encoder_id) {
3680	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3681	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3682		drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3683				 DRM_MODE_ENCODER_DAC, NULL);
3684		drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3685		break;
3686	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3687	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3688	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3689	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3690	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3691		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3692			amdgpu_encoder->rmx_type = RMX_FULL;
3693			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3694					 DRM_MODE_ENCODER_LVDS, NULL);
3695			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3696		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3697			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3698					 DRM_MODE_ENCODER_DAC, NULL);
3699			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3700		} else {
3701			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3702					 DRM_MODE_ENCODER_TMDS, NULL);
3703			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3704		}
3705		drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3706		break;
3707	case ENCODER_OBJECT_ID_SI170B:
3708	case ENCODER_OBJECT_ID_CH7303:
3709	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3710	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3711	case ENCODER_OBJECT_ID_TITFP513:
3712	case ENCODER_OBJECT_ID_VT1623:
3713	case ENCODER_OBJECT_ID_HDMI_SI1930:
3714	case ENCODER_OBJECT_ID_TRAVIS:
3715	case ENCODER_OBJECT_ID_NUTMEG:
3716		/* these are handled by the primary encoders */
3717		amdgpu_encoder->is_ext_encoder = true;
3718		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3719			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3720					 DRM_MODE_ENCODER_LVDS, NULL);
3721		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3722			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3723					 DRM_MODE_ENCODER_DAC, NULL);
3724		else
3725			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3726					 DRM_MODE_ENCODER_TMDS, NULL);
3727		drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3728		break;
3729	}
3730}
3731
3732static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3733	.bandwidth_update = &dce_v11_0_bandwidth_update,
3734	.vblank_get_counter = &dce_v11_0_vblank_get_counter,
3735	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3736	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3737	.hpd_sense = &dce_v11_0_hpd_sense,
3738	.hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3739	.hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3740	.page_flip = &dce_v11_0_page_flip,
3741	.page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3742	.add_encoder = &dce_v11_0_encoder_add,
3743	.add_connector = &amdgpu_connector_add,
3744};
3745
3746static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3747{
3748	adev->mode_info.funcs = &dce_v11_0_display_funcs;
3749}
3750
3751static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3752	.set = dce_v11_0_set_crtc_irq_state,
3753	.process = dce_v11_0_crtc_irq,
3754};
3755
3756static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3757	.set = dce_v11_0_set_pageflip_irq_state,
3758	.process = dce_v11_0_pageflip_irq,
3759};
3760
3761static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3762	.set = dce_v11_0_set_hpd_irq_state,
3763	.process = dce_v11_0_hpd_irq,
3764};
3765
3766static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3767{
3768	if (adev->mode_info.num_crtc > 0)
3769		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3770	else
3771		adev->crtc_irq.num_types = 0;
3772	adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3773
3774	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3775	adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3776
3777	adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3778	adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3779}
3780
3781const struct amdgpu_ip_block_version dce_v11_0_ip_block =
3782{
3783	.type = AMD_IP_BLOCK_TYPE_DCE,
3784	.major = 11,
3785	.minor = 0,
3786	.rev = 0,
3787	.funcs = &dce_v11_0_ip_funcs,
3788};
3789
3790const struct amdgpu_ip_block_version dce_v11_2_ip_block =
3791{
3792	.type = AMD_IP_BLOCK_TYPE_DCE,
3793	.major = 11,
3794	.minor = 2,
3795	.rev = 0,
3796	.funcs = &dce_v11_0_ip_funcs,
3797};
v5.9
   1/*
   2 * Copyright 2014 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 */
  23
 
  24#include <drm/drm_fourcc.h>
 
 
  25#include <drm/drm_vblank.h>
  26
  27#include "amdgpu.h"
  28#include "amdgpu_pm.h"
  29#include "amdgpu_i2c.h"
  30#include "vid.h"
  31#include "atom.h"
  32#include "amdgpu_atombios.h"
  33#include "atombios_crtc.h"
  34#include "atombios_encoders.h"
  35#include "amdgpu_pll.h"
  36#include "amdgpu_connectors.h"
  37#include "amdgpu_display.h"
  38#include "dce_v11_0.h"
  39
  40#include "dce/dce_11_0_d.h"
  41#include "dce/dce_11_0_sh_mask.h"
  42#include "dce/dce_11_0_enum.h"
  43#include "oss/oss_3_0_d.h"
  44#include "oss/oss_3_0_sh_mask.h"
  45#include "gmc/gmc_8_1_d.h"
  46#include "gmc/gmc_8_1_sh_mask.h"
  47
  48#include "ivsrcid/ivsrcid_vislands30.h"
  49
  50static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
  51static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
 
  52
  53static const u32 crtc_offsets[] =
  54{
  55	CRTC0_REGISTER_OFFSET,
  56	CRTC1_REGISTER_OFFSET,
  57	CRTC2_REGISTER_OFFSET,
  58	CRTC3_REGISTER_OFFSET,
  59	CRTC4_REGISTER_OFFSET,
  60	CRTC5_REGISTER_OFFSET,
  61	CRTC6_REGISTER_OFFSET
  62};
  63
  64static const u32 hpd_offsets[] =
  65{
  66	HPD0_REGISTER_OFFSET,
  67	HPD1_REGISTER_OFFSET,
  68	HPD2_REGISTER_OFFSET,
  69	HPD3_REGISTER_OFFSET,
  70	HPD4_REGISTER_OFFSET,
  71	HPD5_REGISTER_OFFSET
  72};
  73
  74static const uint32_t dig_offsets[] = {
  75	DIG0_REGISTER_OFFSET,
  76	DIG1_REGISTER_OFFSET,
  77	DIG2_REGISTER_OFFSET,
  78	DIG3_REGISTER_OFFSET,
  79	DIG4_REGISTER_OFFSET,
  80	DIG5_REGISTER_OFFSET,
  81	DIG6_REGISTER_OFFSET,
  82	DIG7_REGISTER_OFFSET,
  83	DIG8_REGISTER_OFFSET
  84};
  85
  86static 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
 124static const u32 cz_golden_settings_a11[] =
 125{
 126	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
 127	mmFBC_MISC, 0x1f311fff, 0x14300000,
 128};
 129
 130static const u32 cz_mgcg_cgcg_init[] =
 131{
 132	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 133	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 134};
 135
 136static const u32 stoney_golden_settings_a11[] =
 137{
 138	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
 139	mmFBC_MISC, 0x1f311fff, 0x14302000,
 140};
 141
 142static const u32 polaris11_golden_settings_a11[] =
 143{
 144	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 145	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 146	mmFBC_DEBUG1, 0xffffffff, 0x00000008,
 147	mmFBC_MISC, 0x9f313fff, 0x14302008,
 148	mmHDMI_CONTROL, 0x313f031f, 0x00000011,
 149};
 150
 151static const u32 polaris10_golden_settings_a11[] =
 152{
 153	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 154	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 155	mmFBC_MISC, 0x9f313fff, 0x14302008,
 156	mmHDMI_CONTROL, 0x313f031f, 0x00000011,
 157};
 158
 159static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
 160{
 161	switch (adev->asic_type) {
 162	case CHIP_CARRIZO:
 163		amdgpu_device_program_register_sequence(adev,
 164							cz_mgcg_cgcg_init,
 165							ARRAY_SIZE(cz_mgcg_cgcg_init));
 166		amdgpu_device_program_register_sequence(adev,
 167							cz_golden_settings_a11,
 168							ARRAY_SIZE(cz_golden_settings_a11));
 169		break;
 170	case CHIP_STONEY:
 171		amdgpu_device_program_register_sequence(adev,
 172							stoney_golden_settings_a11,
 173							ARRAY_SIZE(stoney_golden_settings_a11));
 174		break;
 175	case CHIP_POLARIS11:
 176	case CHIP_POLARIS12:
 177		amdgpu_device_program_register_sequence(adev,
 178							polaris11_golden_settings_a11,
 179							ARRAY_SIZE(polaris11_golden_settings_a11));
 180		break;
 181	case CHIP_POLARIS10:
 182	case CHIP_VEGAM:
 183		amdgpu_device_program_register_sequence(adev,
 184							polaris10_golden_settings_a11,
 185							ARRAY_SIZE(polaris10_golden_settings_a11));
 186		break;
 187	default:
 188		break;
 189	}
 190}
 191
 192static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
 193				     u32 block_offset, u32 reg)
 194{
 195	unsigned long flags;
 196	u32 r;
 197
 198	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 199	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 200	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 201	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 202
 203	return r;
 204}
 205
 206static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
 207				      u32 block_offset, u32 reg, u32 v)
 208{
 209	unsigned long flags;
 210
 211	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 212	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 213	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 214	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 215}
 216
 217static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 218{
 219	if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
 220		return 0;
 221	else
 222		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 223}
 224
 225static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 226{
 227	unsigned i;
 228
 229	/* Enable pflip interrupts */
 230	for (i = 0; i < adev->mode_info.num_crtc; i++)
 231		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 232}
 233
 234static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 235{
 236	unsigned i;
 237
 238	/* Disable pflip interrupts */
 239	for (i = 0; i < adev->mode_info.num_crtc; i++)
 240		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 241}
 242
 243/**
 244 * dce_v11_0_page_flip - pageflip callback.
 245 *
 246 * @adev: amdgpu_device pointer
 247 * @crtc_id: crtc to cleanup pageflip on
 248 * @crtc_base: new address of the crtc (GPU MC address)
 
 249 *
 250 * Triggers the actual pageflip by updating the primary
 251 * surface base address.
 252 */
 253static void dce_v11_0_page_flip(struct amdgpu_device *adev,
 254				int crtc_id, u64 crtc_base, bool async)
 255{
 256	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 257	struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
 258	u32 tmp;
 259
 260	/* flip immediate for async, default is vsync */
 261	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
 262	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
 263			    GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0);
 264	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 265	/* update pitch */
 266	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
 267	       fb->pitches[0] / fb->format->cpp[0]);
 268	/* update the scanout addresses */
 269	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 270	       upper_32_bits(crtc_base));
 271	/* writing to the low address triggers the update */
 272	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 273	       lower_32_bits(crtc_base));
 274	/* post the write */
 275	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 276}
 277
 278static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 279					u32 *vbl, u32 *position)
 280{
 281	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 282		return -EINVAL;
 283
 284	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 285	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 286
 287	return 0;
 288}
 289
 290/**
 291 * dce_v11_0_hpd_sense - hpd sense callback.
 292 *
 293 * @adev: amdgpu_device pointer
 294 * @hpd: hpd (hotplug detect) pin
 295 *
 296 * Checks if a digital monitor is connected (evergreen+).
 297 * Returns true if connected, false if not connected.
 298 */
 299static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
 300			       enum amdgpu_hpd_id hpd)
 301{
 302	bool connected = false;
 303
 304	if (hpd >= adev->mode_info.num_hpd)
 305		return connected;
 306
 307	if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
 308	    DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
 309		connected = true;
 310
 311	return connected;
 312}
 313
 314/**
 315 * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
 316 *
 317 * @adev: amdgpu_device pointer
 318 * @hpd: hpd (hotplug detect) pin
 319 *
 320 * Set the polarity of the hpd pin (evergreen+).
 321 */
 322static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
 323				      enum amdgpu_hpd_id hpd)
 324{
 325	u32 tmp;
 326	bool connected = dce_v11_0_hpd_sense(adev, hpd);
 327
 328	if (hpd >= adev->mode_info.num_hpd)
 329		return;
 330
 331	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
 332	if (connected)
 333		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
 334	else
 335		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
 336	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
 337}
 338
 339/**
 340 * dce_v11_0_hpd_init - hpd setup callback.
 341 *
 342 * @adev: amdgpu_device pointer
 343 *
 344 * Setup the hpd pins used by the card (evergreen+).
 345 * Enable the pin, set the polarity, and enable the hpd interrupts.
 346 */
 347static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
 348{
 349	struct drm_device *dev = adev->ddev;
 350	struct drm_connector *connector;
 351	struct drm_connector_list_iter iter;
 352	u32 tmp;
 353
 354	drm_connector_list_iter_begin(dev, &iter);
 355	drm_for_each_connector_iter(connector, &iter) {
 356		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 357
 358		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 359			continue;
 360
 361		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 362		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 363			/* don't try to enable hpd on eDP or LVDS avoid breaking the
 364			 * aux dp channel on imac and help (but not completely fix)
 365			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 366			 * also avoid interrupt storms during dpms.
 367			 */
 368			tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 369			tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
 370			WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 371			continue;
 372		}
 373
 374		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 375		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
 376		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 377
 378		tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 379		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 380				    DC_HPD_CONNECT_INT_DELAY,
 381				    AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
 382		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 383				    DC_HPD_DISCONNECT_INT_DELAY,
 384				    AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
 385		WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 386
 
 387		dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 388		amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 389	}
 390	drm_connector_list_iter_end(&iter);
 391}
 392
 393/**
 394 * dce_v11_0_hpd_fini - hpd tear down callback.
 395 *
 396 * @adev: amdgpu_device pointer
 397 *
 398 * Tear down the hpd pins used by the card (evergreen+).
 399 * Disable the hpd interrupts.
 400 */
 401static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
 402{
 403	struct drm_device *dev = adev->ddev;
 404	struct drm_connector *connector;
 405	struct drm_connector_list_iter iter;
 406	u32 tmp;
 407
 408	drm_connector_list_iter_begin(dev, &iter);
 409	drm_for_each_connector_iter(connector, &iter) {
 410		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 411
 412		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 413			continue;
 414
 415		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 416		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
 417		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 418
 419		amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 420	}
 421	drm_connector_list_iter_end(&iter);
 422}
 423
 424static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 425{
 426	return mmDC_GPIO_HPD_A;
 427}
 428
 429static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
 430{
 431	u32 crtc_hung = 0;
 432	u32 crtc_status[6];
 433	u32 i, j, tmp;
 434
 435	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 436		tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 437		if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
 438			crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 439			crtc_hung |= (1 << i);
 440		}
 441	}
 442
 443	for (j = 0; j < 10; j++) {
 444		for (i = 0; i < adev->mode_info.num_crtc; i++) {
 445			if (crtc_hung & (1 << i)) {
 446				tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 447				if (tmp != crtc_status[i])
 448					crtc_hung &= ~(1 << i);
 449			}
 450		}
 451		if (crtc_hung == 0)
 452			return false;
 453		udelay(100);
 454	}
 455
 456	return true;
 457}
 458
 459static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
 460					   bool render)
 461{
 462	u32 tmp;
 463
 464	/* Lockout access through VGA aperture*/
 465	tmp = RREG32(mmVGA_HDP_CONTROL);
 466	if (render)
 467		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
 468	else
 469		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
 470	WREG32(mmVGA_HDP_CONTROL, tmp);
 471
 472	/* disable VGA render */
 473	tmp = RREG32(mmVGA_RENDER_CONTROL);
 474	if (render)
 475		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
 476	else
 477		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 478	WREG32(mmVGA_RENDER_CONTROL, tmp);
 479}
 480
 481static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev)
 482{
 483	int num_crtc = 0;
 484
 485	switch (adev->asic_type) {
 486	case CHIP_CARRIZO:
 487		num_crtc = 3;
 488		break;
 489	case CHIP_STONEY:
 490		num_crtc = 2;
 491		break;
 492	case CHIP_POLARIS10:
 493	case CHIP_VEGAM:
 494		num_crtc = 6;
 495		break;
 496	case CHIP_POLARIS11:
 497	case CHIP_POLARIS12:
 498		num_crtc = 5;
 499		break;
 500	default:
 501		num_crtc = 0;
 502	}
 503	return num_crtc;
 504}
 505
 506void dce_v11_0_disable_dce(struct amdgpu_device *adev)
 507{
 508	/*Disable VGA render and enabled crtc, if has DCE engine*/
 509	if (amdgpu_atombios_has_dce_engine_info(adev)) {
 510		u32 tmp;
 511		int crtc_enabled, i;
 512
 513		dce_v11_0_set_vga_render_state(adev, false);
 514
 515		/*Disable crtc*/
 516		for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) {
 517			crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
 518									 CRTC_CONTROL, CRTC_MASTER_EN);
 519			if (crtc_enabled) {
 520				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 521				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 522				tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
 523				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 524				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 525			}
 526		}
 527	}
 528}
 529
 530static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
 531{
 532	struct drm_device *dev = encoder->dev;
 533	struct amdgpu_device *adev = dev->dev_private;
 534	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 535	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 536	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 537	int bpc = 0;
 538	u32 tmp = 0;
 539	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 540
 541	if (connector) {
 542		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 543		bpc = amdgpu_connector_get_monitor_bpc(connector);
 544		dither = amdgpu_connector->dither;
 545	}
 546
 547	/* LVDS/eDP FMT is set up by atom */
 548	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 549		return;
 550
 551	/* not needed for analog */
 552	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 553	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 554		return;
 555
 556	if (bpc == 0)
 557		return;
 558
 559	switch (bpc) {
 560	case 6:
 561		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 562			/* XXX sort out optimal dither settings */
 563			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 564			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 565			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 566			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
 567		} else {
 568			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 569			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
 570		}
 571		break;
 572	case 8:
 573		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 574			/* XXX sort out optimal dither settings */
 575			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 576			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 577			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 578			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 579			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
 580		} else {
 581			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 582			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
 583		}
 584		break;
 585	case 10:
 586		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 587			/* XXX sort out optimal dither settings */
 588			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 589			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 590			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 591			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 592			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
 593		} else {
 594			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 595			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
 596		}
 597		break;
 598	default:
 599		/* not needed */
 600		break;
 601	}
 602
 603	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 604}
 605
 606
 607/* display watermark setup */
 608/**
 609 * dce_v11_0_line_buffer_adjust - Set up the line buffer
 610 *
 611 * @adev: amdgpu_device pointer
 612 * @amdgpu_crtc: the selected display controller
 613 * @mode: the current display mode on the selected display
 614 * controller
 615 *
 616 * Setup up the line buffer allocation for
 617 * the selected display controller (CIK).
 618 * Returns the line buffer size in pixels.
 619 */
 620static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
 621				       struct amdgpu_crtc *amdgpu_crtc,
 622				       struct drm_display_mode *mode)
 623{
 624	u32 tmp, buffer_alloc, i, mem_cfg;
 625	u32 pipe_offset = amdgpu_crtc->crtc_id;
 626	/*
 627	 * Line Buffer Setup
 628	 * There are 6 line buffers, one for each display controllers.
 629	 * There are 3 partitions per LB. Select the number of partitions
 630	 * to enable based on the display width.  For display widths larger
 631	 * than 4096, you need use to use 2 display controllers and combine
 632	 * them using the stereo blender.
 633	 */
 634	if (amdgpu_crtc->base.enabled && mode) {
 635		if (mode->crtc_hdisplay < 1920) {
 636			mem_cfg = 1;
 637			buffer_alloc = 2;
 638		} else if (mode->crtc_hdisplay < 2560) {
 639			mem_cfg = 2;
 640			buffer_alloc = 2;
 641		} else if (mode->crtc_hdisplay < 4096) {
 642			mem_cfg = 0;
 643			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 644		} else {
 645			DRM_DEBUG_KMS("Mode too big for LB!\n");
 646			mem_cfg = 0;
 647			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 648		}
 649	} else {
 650		mem_cfg = 1;
 651		buffer_alloc = 0;
 652	}
 653
 654	tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
 655	tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
 656	WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
 657
 658	tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 659	tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
 660	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
 661
 662	for (i = 0; i < adev->usec_timeout; i++) {
 663		tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 664		if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
 665			break;
 666		udelay(1);
 667	}
 668
 669	if (amdgpu_crtc->base.enabled && mode) {
 670		switch (mem_cfg) {
 671		case 0:
 672		default:
 673			return 4096 * 2;
 674		case 1:
 675			return 1920 * 2;
 676		case 2:
 677			return 2560 * 2;
 678		}
 679	}
 680
 681	/* controller not enabled, so no lb used */
 682	return 0;
 683}
 684
 685/**
 686 * cik_get_number_of_dram_channels - get the number of dram channels
 687 *
 688 * @adev: amdgpu_device pointer
 689 *
 690 * Look up the number of video ram channels (CIK).
 691 * Used for display watermark bandwidth calculations
 692 * Returns the number of dram channels
 693 */
 694static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
 695{
 696	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 697
 698	switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
 699	case 0:
 700	default:
 701		return 1;
 702	case 1:
 703		return 2;
 704	case 2:
 705		return 4;
 706	case 3:
 707		return 8;
 708	case 4:
 709		return 3;
 710	case 5:
 711		return 6;
 712	case 6:
 713		return 10;
 714	case 7:
 715		return 12;
 716	case 8:
 717		return 16;
 718	}
 719}
 720
 721struct dce10_wm_params {
 722	u32 dram_channels; /* number of dram channels */
 723	u32 yclk;          /* bandwidth per dram data pin in kHz */
 724	u32 sclk;          /* engine clock in kHz */
 725	u32 disp_clk;      /* display clock in kHz */
 726	u32 src_width;     /* viewport width */
 727	u32 active_time;   /* active display time in ns */
 728	u32 blank_time;    /* blank time in ns */
 729	bool interlaced;    /* mode is interlaced */
 730	fixed20_12 vsc;    /* vertical scale ratio */
 731	u32 num_heads;     /* number of active crtcs */
 732	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 733	u32 lb_size;       /* line buffer allocated to pipe */
 734	u32 vtaps;         /* vertical scaler taps */
 735};
 736
 737/**
 738 * dce_v11_0_dram_bandwidth - get the dram bandwidth
 739 *
 740 * @wm: watermark calculation data
 741 *
 742 * Calculate the raw dram bandwidth (CIK).
 743 * Used for display watermark bandwidth calculations
 744 * Returns the dram bandwidth in MBytes/s
 745 */
 746static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
 747{
 748	/* Calculate raw DRAM Bandwidth */
 749	fixed20_12 dram_efficiency; /* 0.7 */
 750	fixed20_12 yclk, dram_channels, bandwidth;
 751	fixed20_12 a;
 752
 753	a.full = dfixed_const(1000);
 754	yclk.full = dfixed_const(wm->yclk);
 755	yclk.full = dfixed_div(yclk, a);
 756	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 757	a.full = dfixed_const(10);
 758	dram_efficiency.full = dfixed_const(7);
 759	dram_efficiency.full = dfixed_div(dram_efficiency, a);
 760	bandwidth.full = dfixed_mul(dram_channels, yclk);
 761	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 762
 763	return dfixed_trunc(bandwidth);
 764}
 765
 766/**
 767 * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
 768 *
 769 * @wm: watermark calculation data
 770 *
 771 * Calculate the dram bandwidth used for display (CIK).
 772 * Used for display watermark bandwidth calculations
 773 * Returns the dram bandwidth for display in MBytes/s
 774 */
 775static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 776{
 777	/* Calculate DRAM Bandwidth and the part allocated to display. */
 778	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 779	fixed20_12 yclk, dram_channels, bandwidth;
 780	fixed20_12 a;
 781
 782	a.full = dfixed_const(1000);
 783	yclk.full = dfixed_const(wm->yclk);
 784	yclk.full = dfixed_div(yclk, a);
 785	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 786	a.full = dfixed_const(10);
 787	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 788	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 789	bandwidth.full = dfixed_mul(dram_channels, yclk);
 790	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 791
 792	return dfixed_trunc(bandwidth);
 793}
 794
 795/**
 796 * dce_v11_0_data_return_bandwidth - get the data return bandwidth
 797 *
 798 * @wm: watermark calculation data
 799 *
 800 * Calculate the data return bandwidth used for display (CIK).
 801 * Used for display watermark bandwidth calculations
 802 * Returns the data return bandwidth in MBytes/s
 803 */
 804static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
 805{
 806	/* Calculate the display Data return Bandwidth */
 807	fixed20_12 return_efficiency; /* 0.8 */
 808	fixed20_12 sclk, bandwidth;
 809	fixed20_12 a;
 810
 811	a.full = dfixed_const(1000);
 812	sclk.full = dfixed_const(wm->sclk);
 813	sclk.full = dfixed_div(sclk, a);
 814	a.full = dfixed_const(10);
 815	return_efficiency.full = dfixed_const(8);
 816	return_efficiency.full = dfixed_div(return_efficiency, a);
 817	a.full = dfixed_const(32);
 818	bandwidth.full = dfixed_mul(a, sclk);
 819	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 820
 821	return dfixed_trunc(bandwidth);
 822}
 823
 824/**
 825 * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
 826 *
 827 * @wm: watermark calculation data
 828 *
 829 * Calculate the dmif bandwidth used for display (CIK).
 830 * Used for display watermark bandwidth calculations
 831 * Returns the dmif bandwidth in MBytes/s
 832 */
 833static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
 834{
 835	/* Calculate the DMIF Request Bandwidth */
 836	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
 837	fixed20_12 disp_clk, bandwidth;
 838	fixed20_12 a, b;
 839
 840	a.full = dfixed_const(1000);
 841	disp_clk.full = dfixed_const(wm->disp_clk);
 842	disp_clk.full = dfixed_div(disp_clk, a);
 843	a.full = dfixed_const(32);
 844	b.full = dfixed_mul(a, disp_clk);
 845
 846	a.full = dfixed_const(10);
 847	disp_clk_request_efficiency.full = dfixed_const(8);
 848	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
 849
 850	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
 851
 852	return dfixed_trunc(bandwidth);
 853}
 854
 855/**
 856 * dce_v11_0_available_bandwidth - get the min available bandwidth
 857 *
 858 * @wm: watermark calculation data
 859 *
 860 * Calculate the min available bandwidth used for display (CIK).
 861 * Used for display watermark bandwidth calculations
 862 * Returns the min available bandwidth in MBytes/s
 863 */
 864static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
 865{
 866	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
 867	u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
 868	u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
 869	u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
 870
 871	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
 872}
 873
 874/**
 875 * dce_v11_0_average_bandwidth - get the average available bandwidth
 876 *
 877 * @wm: watermark calculation data
 878 *
 879 * Calculate the average available bandwidth used for display (CIK).
 880 * Used for display watermark bandwidth calculations
 881 * Returns the average available bandwidth in MBytes/s
 882 */
 883static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
 884{
 885	/* Calculate the display mode Average Bandwidth
 886	 * DisplayMode should contain the source and destination dimensions,
 887	 * timing, etc.
 888	 */
 889	fixed20_12 bpp;
 890	fixed20_12 line_time;
 891	fixed20_12 src_width;
 892	fixed20_12 bandwidth;
 893	fixed20_12 a;
 894
 895	a.full = dfixed_const(1000);
 896	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
 897	line_time.full = dfixed_div(line_time, a);
 898	bpp.full = dfixed_const(wm->bytes_per_pixel);
 899	src_width.full = dfixed_const(wm->src_width);
 900	bandwidth.full = dfixed_mul(src_width, bpp);
 901	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
 902	bandwidth.full = dfixed_div(bandwidth, line_time);
 903
 904	return dfixed_trunc(bandwidth);
 905}
 906
 907/**
 908 * dce_v11_0_latency_watermark - get the latency watermark
 909 *
 910 * @wm: watermark calculation data
 911 *
 912 * Calculate the latency watermark (CIK).
 913 * Used for display watermark bandwidth calculations
 914 * Returns the latency watermark in ns
 915 */
 916static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
 917{
 918	/* First calculate the latency in ns */
 919	u32 mc_latency = 2000; /* 2000 ns. */
 920	u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
 921	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
 922	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
 923	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
 924	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
 925		(wm->num_heads * cursor_line_pair_return_time);
 926	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
 927	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
 928	u32 tmp, dmif_size = 12288;
 929	fixed20_12 a, b, c;
 930
 931	if (wm->num_heads == 0)
 932		return 0;
 933
 934	a.full = dfixed_const(2);
 935	b.full = dfixed_const(1);
 936	if ((wm->vsc.full > a.full) ||
 937	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
 938	    (wm->vtaps >= 5) ||
 939	    ((wm->vsc.full >= a.full) && wm->interlaced))
 940		max_src_lines_per_dst_line = 4;
 941	else
 942		max_src_lines_per_dst_line = 2;
 943
 944	a.full = dfixed_const(available_bandwidth);
 945	b.full = dfixed_const(wm->num_heads);
 946	a.full = dfixed_div(a, b);
 947	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
 948	tmp = min(dfixed_trunc(a), tmp);
 949
 950	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
 951
 952	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 953	b.full = dfixed_const(1000);
 954	c.full = dfixed_const(lb_fill_bw);
 955	b.full = dfixed_div(c, b);
 956	a.full = dfixed_div(a, b);
 957	line_fill_time = dfixed_trunc(a);
 958
 959	if (line_fill_time < wm->active_time)
 960		return latency;
 961	else
 962		return latency + (line_fill_time - wm->active_time);
 963
 964}
 965
 966/**
 967 * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
 968 * average and available dram bandwidth
 969 *
 970 * @wm: watermark calculation data
 971 *
 972 * Check if the display average bandwidth fits in the display
 973 * dram bandwidth (CIK).
 974 * Used for display watermark bandwidth calculations
 975 * Returns true if the display fits, false if not.
 976 */
 977static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 978{
 979	if (dce_v11_0_average_bandwidth(wm) <=
 980	    (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
 981		return true;
 982	else
 983		return false;
 984}
 985
 986/**
 987 * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
 988 * average and available bandwidth
 989 *
 990 * @wm: watermark calculation data
 991 *
 992 * Check if the display average bandwidth fits in the display
 993 * available bandwidth (CIK).
 994 * Used for display watermark bandwidth calculations
 995 * Returns true if the display fits, false if not.
 996 */
 997static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
 998{
 999	if (dce_v11_0_average_bandwidth(wm) <=
1000	    (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1001		return true;
1002	else
1003		return false;
1004}
1005
1006/**
1007 * dce_v11_0_check_latency_hiding - check latency hiding
1008 *
1009 * @wm: watermark calculation data
1010 *
1011 * Check latency hiding (CIK).
1012 * Used for display watermark bandwidth calculations
1013 * Returns true if the display fits, false if not.
1014 */
1015static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1016{
1017	u32 lb_partitions = wm->lb_size / wm->src_width;
1018	u32 line_time = wm->active_time + wm->blank_time;
1019	u32 latency_tolerant_lines;
1020	u32 latency_hiding;
1021	fixed20_12 a;
1022
1023	a.full = dfixed_const(1);
1024	if (wm->vsc.full > a.full)
1025		latency_tolerant_lines = 1;
1026	else {
1027		if (lb_partitions <= (wm->vtaps + 1))
1028			latency_tolerant_lines = 1;
1029		else
1030			latency_tolerant_lines = 2;
1031	}
1032
1033	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1034
1035	if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1036		return true;
1037	else
1038		return false;
1039}
1040
1041/**
1042 * dce_v11_0_program_watermarks - program display watermarks
1043 *
1044 * @adev: amdgpu_device pointer
1045 * @amdgpu_crtc: the selected display controller
1046 * @lb_size: line buffer size
1047 * @num_heads: number of display controllers in use
1048 *
1049 * Calculate and program the display watermarks for the
1050 * selected display controller (CIK).
1051 */
1052static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1053					struct amdgpu_crtc *amdgpu_crtc,
1054					u32 lb_size, u32 num_heads)
1055{
1056	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1057	struct dce10_wm_params wm_low, wm_high;
1058	u32 active_time;
1059	u32 line_time = 0;
1060	u32 latency_watermark_a = 0, latency_watermark_b = 0;
1061	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1062
1063	if (amdgpu_crtc->base.enabled && num_heads && mode) {
1064		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1065					    (u32)mode->clock);
1066		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1067					  (u32)mode->clock);
1068		line_time = min(line_time, (u32)65535);
1069
1070		/* watermark for high clocks */
1071		if (adev->pm.dpm_enabled) {
1072			wm_high.yclk =
1073				amdgpu_dpm_get_mclk(adev, false) * 10;
1074			wm_high.sclk =
1075				amdgpu_dpm_get_sclk(adev, false) * 10;
1076		} else {
1077			wm_high.yclk = adev->pm.current_mclk * 10;
1078			wm_high.sclk = adev->pm.current_sclk * 10;
1079		}
1080
1081		wm_high.disp_clk = mode->clock;
1082		wm_high.src_width = mode->crtc_hdisplay;
1083		wm_high.active_time = active_time;
1084		wm_high.blank_time = line_time - wm_high.active_time;
1085		wm_high.interlaced = false;
1086		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1087			wm_high.interlaced = true;
1088		wm_high.vsc = amdgpu_crtc->vsc;
1089		wm_high.vtaps = 1;
1090		if (amdgpu_crtc->rmx_type != RMX_OFF)
1091			wm_high.vtaps = 2;
1092		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1093		wm_high.lb_size = lb_size;
1094		wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1095		wm_high.num_heads = num_heads;
1096
1097		/* set for high clocks */
1098		latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535);
1099
1100		/* possibly force display priority to high */
1101		/* should really do this at mode validation time... */
1102		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1103		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1104		    !dce_v11_0_check_latency_hiding(&wm_high) ||
1105		    (adev->mode_info.disp_priority == 2)) {
1106			DRM_DEBUG_KMS("force priority to high\n");
1107		}
1108
1109		/* watermark for low clocks */
1110		if (adev->pm.dpm_enabled) {
1111			wm_low.yclk =
1112				amdgpu_dpm_get_mclk(adev, true) * 10;
1113			wm_low.sclk =
1114				amdgpu_dpm_get_sclk(adev, true) * 10;
1115		} else {
1116			wm_low.yclk = adev->pm.current_mclk * 10;
1117			wm_low.sclk = adev->pm.current_sclk * 10;
1118		}
1119
1120		wm_low.disp_clk = mode->clock;
1121		wm_low.src_width = mode->crtc_hdisplay;
1122		wm_low.active_time = active_time;
1123		wm_low.blank_time = line_time - wm_low.active_time;
1124		wm_low.interlaced = false;
1125		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1126			wm_low.interlaced = true;
1127		wm_low.vsc = amdgpu_crtc->vsc;
1128		wm_low.vtaps = 1;
1129		if (amdgpu_crtc->rmx_type != RMX_OFF)
1130			wm_low.vtaps = 2;
1131		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1132		wm_low.lb_size = lb_size;
1133		wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1134		wm_low.num_heads = num_heads;
1135
1136		/* set for low clocks */
1137		latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535);
1138
1139		/* possibly force display priority to high */
1140		/* should really do this at mode validation time... */
1141		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1142		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1143		    !dce_v11_0_check_latency_hiding(&wm_low) ||
1144		    (adev->mode_info.disp_priority == 2)) {
1145			DRM_DEBUG_KMS("force priority to high\n");
1146		}
1147		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1148	}
1149
1150	/* select wm A */
1151	wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1152	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1153	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1154	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1155	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1156	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1157	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1158	/* select wm B */
1159	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1160	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1161	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1162	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1163	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1164	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1165	/* restore original selection */
1166	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1167
1168	/* save values for DPM */
1169	amdgpu_crtc->line_time = line_time;
1170	amdgpu_crtc->wm_high = latency_watermark_a;
1171	amdgpu_crtc->wm_low = latency_watermark_b;
1172	/* Save number of lines the linebuffer leads before the scanout */
1173	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1174}
1175
1176/**
1177 * dce_v11_0_bandwidth_update - program display watermarks
1178 *
1179 * @adev: amdgpu_device pointer
1180 *
1181 * Calculate and program the display watermarks and line
1182 * buffer allocation (CIK).
1183 */
1184static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1185{
1186	struct drm_display_mode *mode = NULL;
1187	u32 num_heads = 0, lb_size;
1188	int i;
1189
1190	amdgpu_display_update_priority(adev);
1191
1192	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1193		if (adev->mode_info.crtcs[i]->base.enabled)
1194			num_heads++;
1195	}
1196	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1197		mode = &adev->mode_info.crtcs[i]->base.mode;
1198		lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1199		dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1200					    lb_size, num_heads);
1201	}
1202}
1203
1204static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1205{
1206	int i;
1207	u32 offset, tmp;
1208
1209	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1210		offset = adev->mode_info.audio.pin[i].offset;
1211		tmp = RREG32_AUDIO_ENDPT(offset,
1212					 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1213		if (((tmp &
1214		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1215		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1216			adev->mode_info.audio.pin[i].connected = false;
1217		else
1218			adev->mode_info.audio.pin[i].connected = true;
1219	}
1220}
1221
1222static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1223{
1224	int i;
1225
1226	dce_v11_0_audio_get_connected_pins(adev);
1227
1228	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1229		if (adev->mode_info.audio.pin[i].connected)
1230			return &adev->mode_info.audio.pin[i];
1231	}
1232	DRM_ERROR("No connected audio pins found!\n");
1233	return NULL;
1234}
1235
1236static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1237{
1238	struct amdgpu_device *adev = encoder->dev->dev_private;
1239	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1240	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1241	u32 tmp;
1242
1243	if (!dig || !dig->afmt || !dig->afmt->pin)
1244		return;
1245
1246	tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1247	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1248	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1249}
1250
1251static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1252						struct drm_display_mode *mode)
1253{
1254	struct drm_device *dev = encoder->dev;
1255	struct amdgpu_device *adev = dev->dev_private;
1256	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1257	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1258	struct drm_connector *connector;
1259	struct drm_connector_list_iter iter;
1260	struct amdgpu_connector *amdgpu_connector = NULL;
1261	u32 tmp;
1262	int interlace = 0;
1263
1264	if (!dig || !dig->afmt || !dig->afmt->pin)
1265		return;
1266
1267	drm_connector_list_iter_begin(dev, &iter);
1268	drm_for_each_connector_iter(connector, &iter) {
1269		if (connector->encoder == encoder) {
1270			amdgpu_connector = to_amdgpu_connector(connector);
1271			break;
1272		}
1273	}
1274	drm_connector_list_iter_end(&iter);
1275
1276	if (!amdgpu_connector) {
1277		DRM_ERROR("Couldn't find encoder's connector\n");
1278		return;
1279	}
1280
1281	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1282		interlace = 1;
1283	if (connector->latency_present[interlace]) {
1284		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1285				    VIDEO_LIPSYNC, connector->video_latency[interlace]);
1286		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1287				    AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1288	} else {
1289		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1290				    VIDEO_LIPSYNC, 0);
1291		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1292				    AUDIO_LIPSYNC, 0);
1293	}
1294	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1295			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1296}
1297
1298static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1299{
1300	struct drm_device *dev = encoder->dev;
1301	struct amdgpu_device *adev = dev->dev_private;
1302	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1303	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1304	struct drm_connector *connector;
1305	struct drm_connector_list_iter iter;
1306	struct amdgpu_connector *amdgpu_connector = NULL;
1307	u32 tmp;
1308	u8 *sadb = NULL;
1309	int sad_count;
1310
1311	if (!dig || !dig->afmt || !dig->afmt->pin)
1312		return;
1313
1314	drm_connector_list_iter_begin(dev, &iter);
1315	drm_for_each_connector_iter(connector, &iter) {
1316		if (connector->encoder == encoder) {
1317			amdgpu_connector = to_amdgpu_connector(connector);
1318			break;
1319		}
1320	}
1321	drm_connector_list_iter_end(&iter);
1322
1323	if (!amdgpu_connector) {
1324		DRM_ERROR("Couldn't find encoder's connector\n");
1325		return;
1326	}
1327
1328	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1329	if (sad_count < 0) {
1330		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1331		sad_count = 0;
1332	}
1333
1334	/* program the speaker allocation */
1335	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1336				 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1337	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1338			    DP_CONNECTION, 0);
1339	/* set HDMI mode */
1340	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1341			    HDMI_CONNECTION, 1);
1342	if (sad_count)
1343		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1344				    SPEAKER_ALLOCATION, sadb[0]);
1345	else
1346		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1347				    SPEAKER_ALLOCATION, 5); /* stereo */
1348	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1349			   ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1350
1351	kfree(sadb);
1352}
1353
1354static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1355{
1356	struct drm_device *dev = encoder->dev;
1357	struct amdgpu_device *adev = dev->dev_private;
1358	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1359	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1360	struct drm_connector *connector;
1361	struct drm_connector_list_iter iter;
1362	struct amdgpu_connector *amdgpu_connector = NULL;
1363	struct cea_sad *sads;
1364	int i, sad_count;
1365
1366	static const u16 eld_reg_to_type[][2] = {
1367		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1368		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1369		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1370		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1371		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1372		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1373		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1374		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1375		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1376		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1377		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1378		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1379	};
1380
1381	if (!dig || !dig->afmt || !dig->afmt->pin)
1382		return;
1383
1384	drm_connector_list_iter_begin(dev, &iter);
1385	drm_for_each_connector_iter(connector, &iter) {
1386		if (connector->encoder == encoder) {
1387			amdgpu_connector = to_amdgpu_connector(connector);
1388			break;
1389		}
1390	}
1391	drm_connector_list_iter_end(&iter);
1392
1393	if (!amdgpu_connector) {
1394		DRM_ERROR("Couldn't find encoder's connector\n");
1395		return;
1396	}
1397
1398	sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1399	if (sad_count < 0)
1400		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1401	if (sad_count <= 0)
1402		return;
1403	BUG_ON(!sads);
1404
1405	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1406		u32 tmp = 0;
1407		u8 stereo_freqs = 0;
1408		int max_channels = -1;
1409		int j;
1410
1411		for (j = 0; j < sad_count; j++) {
1412			struct cea_sad *sad = &sads[j];
1413
1414			if (sad->format == eld_reg_to_type[i][1]) {
1415				if (sad->channels > max_channels) {
1416					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1417							    MAX_CHANNELS, sad->channels);
1418					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1419							    DESCRIPTOR_BYTE_2, sad->byte2);
1420					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1421							    SUPPORTED_FREQUENCIES, sad->freq);
1422					max_channels = sad->channels;
1423				}
1424
1425				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1426					stereo_freqs |= sad->freq;
1427				else
1428					break;
1429			}
1430		}
1431
1432		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1433				    SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1434		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1435	}
1436
1437	kfree(sads);
1438}
1439
1440static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1441				  struct amdgpu_audio_pin *pin,
1442				  bool enable)
1443{
1444	if (!pin)
1445		return;
1446
1447	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1448			   enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1449}
1450
1451static const u32 pin_offsets[] =
1452{
1453	AUD0_REGISTER_OFFSET,
1454	AUD1_REGISTER_OFFSET,
1455	AUD2_REGISTER_OFFSET,
1456	AUD3_REGISTER_OFFSET,
1457	AUD4_REGISTER_OFFSET,
1458	AUD5_REGISTER_OFFSET,
1459	AUD6_REGISTER_OFFSET,
1460	AUD7_REGISTER_OFFSET,
1461};
1462
1463static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1464{
1465	int i;
1466
1467	if (!amdgpu_audio)
1468		return 0;
1469
1470	adev->mode_info.audio.enabled = true;
1471
1472	switch (adev->asic_type) {
1473	case CHIP_CARRIZO:
1474	case CHIP_STONEY:
1475		adev->mode_info.audio.num_pins = 7;
1476		break;
1477	case CHIP_POLARIS10:
1478	case CHIP_VEGAM:
1479		adev->mode_info.audio.num_pins = 8;
1480		break;
1481	case CHIP_POLARIS11:
1482	case CHIP_POLARIS12:
1483		adev->mode_info.audio.num_pins = 6;
1484		break;
1485	default:
1486		return -EINVAL;
1487	}
1488
1489	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1490		adev->mode_info.audio.pin[i].channels = -1;
1491		adev->mode_info.audio.pin[i].rate = -1;
1492		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1493		adev->mode_info.audio.pin[i].status_bits = 0;
1494		adev->mode_info.audio.pin[i].category_code = 0;
1495		adev->mode_info.audio.pin[i].connected = false;
1496		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1497		adev->mode_info.audio.pin[i].id = i;
1498		/* disable audio.  it will be set up later */
1499		/* XXX remove once we switch to ip funcs */
1500		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1501	}
1502
1503	return 0;
1504}
1505
1506static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1507{
1508	int i;
1509
1510	if (!amdgpu_audio)
1511		return;
1512
1513	if (!adev->mode_info.audio.enabled)
1514		return;
1515
1516	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1517		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1518
1519	adev->mode_info.audio.enabled = false;
1520}
1521
1522/*
1523 * update the N and CTS parameters for a given pixel clock rate
1524 */
1525static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1526{
1527	struct drm_device *dev = encoder->dev;
1528	struct amdgpu_device *adev = dev->dev_private;
1529	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1530	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1531	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1532	u32 tmp;
1533
1534	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1535	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1536	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1537	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1538	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1539	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1540
1541	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1542	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1543	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1544	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1545	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1546	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1547
1548	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1549	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1550	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1551	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1552	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1553	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1554
1555}
1556
1557/*
1558 * build a HDMI Video Info Frame
1559 */
1560static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1561					       void *buffer, size_t size)
1562{
1563	struct drm_device *dev = encoder->dev;
1564	struct amdgpu_device *adev = dev->dev_private;
1565	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1566	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1567	uint8_t *frame = buffer + 3;
1568	uint8_t *header = buffer;
1569
1570	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1571		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1572	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1573		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1574	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1575		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1576	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1577		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1578}
1579
1580static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1581{
1582	struct drm_device *dev = encoder->dev;
1583	struct amdgpu_device *adev = dev->dev_private;
1584	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1585	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1586	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1587	u32 dto_phase = 24 * 1000;
1588	u32 dto_modulo = clock;
1589	u32 tmp;
1590
1591	if (!dig || !dig->afmt)
1592		return;
1593
1594	/* XXX two dtos; generally use dto0 for hdmi */
1595	/* Express [24MHz / target pixel clock] as an exact rational
1596	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1597	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1598	 */
1599	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1600	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1601			    amdgpu_crtc->crtc_id);
1602	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1603	WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1604	WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1605}
1606
1607/*
1608 * update the info frames with the data from the current display mode
1609 */
1610static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1611				  struct drm_display_mode *mode)
1612{
1613	struct drm_device *dev = encoder->dev;
1614	struct amdgpu_device *adev = dev->dev_private;
1615	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1616	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1617	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1618	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1619	struct hdmi_avi_infoframe frame;
1620	ssize_t err;
1621	u32 tmp;
1622	int bpc = 8;
1623
1624	if (!dig || !dig->afmt)
1625		return;
1626
1627	/* Silent, r600_hdmi_enable will raise WARN for us */
1628	if (!dig->afmt->enabled)
1629		return;
1630
1631	/* hdmi deep color mode general control packets setup, if bpc > 8 */
1632	if (encoder->crtc) {
1633		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1634		bpc = amdgpu_crtc->bpc;
1635	}
1636
1637	/* disable audio prior to setting up hw */
1638	dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1639	dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1640
1641	dce_v11_0_audio_set_dto(encoder, mode->clock);
1642
1643	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1644	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1645	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1646
1647	WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1648
1649	tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1650	switch (bpc) {
1651	case 0:
1652	case 6:
1653	case 8:
1654	case 16:
1655	default:
1656		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1657		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1658		DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1659			  connector->name, bpc);
1660		break;
1661	case 10:
1662		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1663		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1664		DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1665			  connector->name);
1666		break;
1667	case 12:
1668		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1669		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1670		DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1671			  connector->name);
1672		break;
1673	}
1674	WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1675
1676	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1677	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1678	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1679	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1680	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1681
1682	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1683	/* enable audio info frames (frames won't be set until audio is enabled) */
1684	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1685	/* required for audio info values to be updated */
1686	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1687	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1688
1689	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1690	/* required for audio info values to be updated */
1691	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1692	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1693
1694	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1695	/* anything other than 0 */
1696	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1697	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1698
1699	WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1700
1701	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1702	/* set the default audio delay */
1703	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1704	/* should be suffient for all audio modes and small enough for all hblanks */
1705	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1706	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1707
1708	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1709	/* allow 60958 channel status fields to be updated */
1710	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1711	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1712
1713	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1714	if (bpc > 8)
1715		/* clear SW CTS value */
1716		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1717	else
1718		/* select SW CTS value */
1719		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1720	/* allow hw to sent ACR packets when required */
1721	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1722	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1723
1724	dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1725
1726	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1727	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1728	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1729
1730	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1731	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1732	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1733
1734	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1735	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1736	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1737	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1738	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1739	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1740	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1741	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1742
1743	dce_v11_0_audio_write_speaker_allocation(encoder);
1744
1745	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1746	       (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1747
1748	dce_v11_0_afmt_audio_select_pin(encoder);
1749	dce_v11_0_audio_write_sad_regs(encoder);
1750	dce_v11_0_audio_write_latency_fields(encoder, mode);
1751
1752	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1753	if (err < 0) {
1754		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1755		return;
1756	}
1757
1758	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1759	if (err < 0) {
1760		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1761		return;
1762	}
1763
1764	dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1765
1766	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1767	/* enable AVI info frames */
1768	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1769	/* required for audio info values to be updated */
1770	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1771	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1772
1773	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1774	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1775	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1776
1777	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1778	/* send audio packets */
1779	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1780	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1781
1782	WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1783	WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1784	WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1785	WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1786
1787	/* enable audio after to setting up hw */
1788	dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1789}
1790
1791static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1792{
1793	struct drm_device *dev = encoder->dev;
1794	struct amdgpu_device *adev = dev->dev_private;
1795	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1796	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1797
1798	if (!dig || !dig->afmt)
1799		return;
1800
1801	/* Silent, r600_hdmi_enable will raise WARN for us */
1802	if (enable && dig->afmt->enabled)
1803		return;
1804	if (!enable && !dig->afmt->enabled)
1805		return;
1806
1807	if (!enable && dig->afmt->pin) {
1808		dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1809		dig->afmt->pin = NULL;
1810	}
1811
1812	dig->afmt->enabled = enable;
1813
1814	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1815		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1816}
1817
1818static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1819{
1820	int i;
1821
1822	for (i = 0; i < adev->mode_info.num_dig; i++)
1823		adev->mode_info.afmt[i] = NULL;
1824
1825	/* DCE11 has audio blocks tied to DIG encoders */
1826	for (i = 0; i < adev->mode_info.num_dig; i++) {
1827		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1828		if (adev->mode_info.afmt[i]) {
1829			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1830			adev->mode_info.afmt[i]->id = i;
1831		} else {
1832			int j;
1833			for (j = 0; j < i; j++) {
1834				kfree(adev->mode_info.afmt[j]);
1835				adev->mode_info.afmt[j] = NULL;
1836			}
1837			return -ENOMEM;
1838		}
1839	}
1840	return 0;
1841}
1842
1843static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1844{
1845	int i;
1846
1847	for (i = 0; i < adev->mode_info.num_dig; i++) {
1848		kfree(adev->mode_info.afmt[i]);
1849		adev->mode_info.afmt[i] = NULL;
1850	}
1851}
1852
1853static const u32 vga_control_regs[6] =
1854{
1855	mmD1VGA_CONTROL,
1856	mmD2VGA_CONTROL,
1857	mmD3VGA_CONTROL,
1858	mmD4VGA_CONTROL,
1859	mmD5VGA_CONTROL,
1860	mmD6VGA_CONTROL,
1861};
1862
1863static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
1864{
1865	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1866	struct drm_device *dev = crtc->dev;
1867	struct amdgpu_device *adev = dev->dev_private;
1868	u32 vga_control;
1869
1870	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1871	if (enable)
1872		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1873	else
1874		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1875}
1876
1877static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
1878{
1879	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1880	struct drm_device *dev = crtc->dev;
1881	struct amdgpu_device *adev = dev->dev_private;
1882
1883	if (enable)
1884		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1885	else
1886		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1887}
1888
1889static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
1890				     struct drm_framebuffer *fb,
1891				     int x, int y, int atomic)
1892{
1893	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1894	struct drm_device *dev = crtc->dev;
1895	struct amdgpu_device *adev = dev->dev_private;
1896	struct drm_framebuffer *target_fb;
1897	struct drm_gem_object *obj;
1898	struct amdgpu_bo *abo;
1899	uint64_t fb_location, tiling_flags;
1900	uint32_t fb_format, fb_pitch_pixels;
1901	u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1902	u32 pipe_config;
1903	u32 tmp, viewport_w, viewport_h;
1904	int r;
1905	bool bypass_lut = false;
1906	struct drm_format_name_buf format_name;
1907
1908	/* no fb bound */
1909	if (!atomic && !crtc->primary->fb) {
1910		DRM_DEBUG_KMS("No FB bound\n");
1911		return 0;
1912	}
1913
1914	if (atomic)
1915		target_fb = fb;
1916	else
1917		target_fb = crtc->primary->fb;
1918
1919	/* If atomic, assume fb object is pinned & idle & fenced and
1920	 * just update base pointers
1921	 */
1922	obj = target_fb->obj[0];
1923	abo = gem_to_amdgpu_bo(obj);
1924	r = amdgpu_bo_reserve(abo, false);
1925	if (unlikely(r != 0))
1926		return r;
1927
1928	if (!atomic) {
 
1929		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1930		if (unlikely(r != 0)) {
1931			amdgpu_bo_unreserve(abo);
1932			return -EINVAL;
1933		}
1934	}
1935	fb_location = amdgpu_bo_gpu_offset(abo);
1936
1937	amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1938	amdgpu_bo_unreserve(abo);
1939
1940	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1941
1942	switch (target_fb->format->format) {
1943	case DRM_FORMAT_C8:
1944		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1945		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1946		break;
1947	case DRM_FORMAT_XRGB4444:
1948	case DRM_FORMAT_ARGB4444:
1949		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1950		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1951#ifdef __BIG_ENDIAN
1952		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1953					ENDIAN_8IN16);
1954#endif
1955		break;
1956	case DRM_FORMAT_XRGB1555:
1957	case DRM_FORMAT_ARGB1555:
1958		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1959		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1960#ifdef __BIG_ENDIAN
1961		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1962					ENDIAN_8IN16);
1963#endif
1964		break;
1965	case DRM_FORMAT_BGRX5551:
1966	case DRM_FORMAT_BGRA5551:
1967		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1968		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1969#ifdef __BIG_ENDIAN
1970		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1971					ENDIAN_8IN16);
1972#endif
1973		break;
1974	case DRM_FORMAT_RGB565:
1975		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1976		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1977#ifdef __BIG_ENDIAN
1978		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1979					ENDIAN_8IN16);
1980#endif
1981		break;
1982	case DRM_FORMAT_XRGB8888:
1983	case DRM_FORMAT_ARGB8888:
1984		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1985		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1986#ifdef __BIG_ENDIAN
1987		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1988					ENDIAN_8IN32);
1989#endif
1990		break;
1991	case DRM_FORMAT_XRGB2101010:
1992	case DRM_FORMAT_ARGB2101010:
1993		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1994		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1995#ifdef __BIG_ENDIAN
1996		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1997					ENDIAN_8IN32);
1998#endif
1999		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2000		bypass_lut = true;
2001		break;
2002	case DRM_FORMAT_BGRX1010102:
2003	case DRM_FORMAT_BGRA1010102:
2004		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2005		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2006#ifdef __BIG_ENDIAN
2007		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2008					ENDIAN_8IN32);
2009#endif
2010		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2011		bypass_lut = true;
2012		break;
2013	case DRM_FORMAT_XBGR8888:
2014	case DRM_FORMAT_ABGR8888:
2015		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2016		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2017		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
2018		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
2019#ifdef __BIG_ENDIAN
2020		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2021					ENDIAN_8IN32);
2022#endif
2023		break;
2024	default:
2025		DRM_ERROR("Unsupported screen format %s\n",
2026		          drm_get_format_name(target_fb->format->format, &format_name));
2027		return -EINVAL;
2028	}
2029
2030	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2031		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2032
2033		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2034		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2035		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2036		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2037		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2038
2039		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2040		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2041					  ARRAY_2D_TILED_THIN1);
2042		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2043					  tile_split);
2044		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2045		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2046		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2047					  mtaspect);
2048		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2049					  ADDR_SURF_MICRO_TILING_DISPLAY);
2050	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2051		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2052					  ARRAY_1D_TILED_THIN1);
2053	}
2054
2055	fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2056				  pipe_config);
2057
2058	dce_v11_0_vga_enable(crtc, false);
2059
2060	/* Make sure surface address is updated at vertical blank rather than
2061	 * horizontal blank
2062	 */
2063	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2064	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2065			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2066	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2067
2068	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2069	       upper_32_bits(fb_location));
2070	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2071	       upper_32_bits(fb_location));
2072	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2073	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2074	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2075	       (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2076	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2077	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2078
2079	/*
2080	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2081	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2082	 * retain the full precision throughout the pipeline.
2083	 */
2084	tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2085	if (bypass_lut)
2086		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2087	else
2088		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2089	WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2090
2091	if (bypass_lut)
2092		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2093
2094	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2095	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2096	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2097	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2098	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2099	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2100
2101	fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2102	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2103
2104	dce_v11_0_grph_enable(crtc, true);
2105
2106	WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2107	       target_fb->height);
2108
2109	x &= ~3;
2110	y &= ~1;
2111	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2112	       (x << 16) | y);
2113	viewport_w = crtc->mode.hdisplay;
2114	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2115	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2116	       (viewport_w << 16) | viewport_h);
2117
2118	/* set pageflip to happen anywhere in vblank interval */
2119	WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2120
2121	if (!atomic && fb && fb != crtc->primary->fb) {
2122		abo = gem_to_amdgpu_bo(fb->obj[0]);
2123		r = amdgpu_bo_reserve(abo, true);
2124		if (unlikely(r != 0))
2125			return r;
2126		amdgpu_bo_unpin(abo);
2127		amdgpu_bo_unreserve(abo);
2128	}
2129
2130	/* Bytes per pixel may have changed */
2131	dce_v11_0_bandwidth_update(adev);
2132
2133	return 0;
2134}
2135
2136static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2137				     struct drm_display_mode *mode)
2138{
2139	struct drm_device *dev = crtc->dev;
2140	struct amdgpu_device *adev = dev->dev_private;
2141	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2142	u32 tmp;
2143
2144	tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2145	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2146		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2147	else
2148		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2149	WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2150}
2151
2152static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2153{
2154	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2155	struct drm_device *dev = crtc->dev;
2156	struct amdgpu_device *adev = dev->dev_private;
2157	u16 *r, *g, *b;
2158	int i;
2159	u32 tmp;
2160
2161	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2162
2163	tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2164	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2165	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2166
2167	tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2168	tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2169	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2170
2171	tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2172	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2173	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2174
2175	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2176
2177	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2178	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2179	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2180
2181	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2182	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2183	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2184
2185	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2186	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2187
2188	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2189	r = crtc->gamma_store;
2190	g = r + crtc->gamma_size;
2191	b = g + crtc->gamma_size;
2192	for (i = 0; i < 256; i++) {
2193		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2194		       ((*r++ & 0xffc0) << 14) |
2195		       ((*g++ & 0xffc0) << 4) |
2196		       (*b++ >> 6));
2197	}
2198
2199	tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2200	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2201	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2202	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2203	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2204
2205	tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2206	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2207	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2208
2209	tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2210	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2211	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2212
2213	tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2214	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2215	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2216
2217	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2218	WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2219	/* XXX this only needs to be programmed once per crtc at startup,
2220	 * not sure where the best place for it is
2221	 */
2222	tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2223	tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2224	WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2225}
2226
2227static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2228{
2229	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2230	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2231
2232	switch (amdgpu_encoder->encoder_id) {
2233	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2234		if (dig->linkb)
2235			return 1;
2236		else
2237			return 0;
2238		break;
2239	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2240		if (dig->linkb)
2241			return 3;
2242		else
2243			return 2;
2244		break;
2245	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2246		if (dig->linkb)
2247			return 5;
2248		else
2249			return 4;
2250		break;
2251	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2252		return 6;
2253		break;
2254	default:
2255		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2256		return 0;
2257	}
2258}
2259
2260/**
2261 * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2262 *
2263 * @crtc: drm crtc
2264 *
2265 * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2266 * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2267 * monitors a dedicated PPLL must be used.  If a particular board has
2268 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2269 * as there is no need to program the PLL itself.  If we are not able to
2270 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2271 * avoid messing up an existing monitor.
2272 *
2273 * Asic specific PLL information
2274 *
2275 * DCE 10.x
2276 * Tonga
2277 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2278 * CI
2279 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2280 *
2281 */
2282static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2283{
2284	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2285	struct drm_device *dev = crtc->dev;
2286	struct amdgpu_device *adev = dev->dev_private;
2287	u32 pll_in_use;
2288	int pll;
2289
2290	if ((adev->asic_type == CHIP_POLARIS10) ||
2291	    (adev->asic_type == CHIP_POLARIS11) ||
2292	    (adev->asic_type == CHIP_POLARIS12) ||
2293	    (adev->asic_type == CHIP_VEGAM)) {
2294		struct amdgpu_encoder *amdgpu_encoder =
2295			to_amdgpu_encoder(amdgpu_crtc->encoder);
2296		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2297
2298		if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2299			return ATOM_DP_DTO;
2300
2301		switch (amdgpu_encoder->encoder_id) {
2302		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2303			if (dig->linkb)
2304				return ATOM_COMBOPHY_PLL1;
2305			else
2306				return ATOM_COMBOPHY_PLL0;
2307			break;
2308		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2309			if (dig->linkb)
2310				return ATOM_COMBOPHY_PLL3;
2311			else
2312				return ATOM_COMBOPHY_PLL2;
2313			break;
2314		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2315			if (dig->linkb)
2316				return ATOM_COMBOPHY_PLL5;
2317			else
2318				return ATOM_COMBOPHY_PLL4;
2319			break;
2320		default:
2321			DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2322			return ATOM_PPLL_INVALID;
2323		}
2324	}
2325
2326	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2327		if (adev->clock.dp_extclk)
2328			/* skip PPLL programming if using ext clock */
2329			return ATOM_PPLL_INVALID;
2330		else {
2331			/* use the same PPLL for all DP monitors */
2332			pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2333			if (pll != ATOM_PPLL_INVALID)
2334				return pll;
2335		}
2336	} else {
2337		/* use the same PPLL for all monitors with the same clock */
2338		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2339		if (pll != ATOM_PPLL_INVALID)
2340			return pll;
2341	}
2342
2343	/* XXX need to determine what plls are available on each DCE11 part */
2344	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2345	if (adev->flags & AMD_IS_APU) {
2346		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2347			return ATOM_PPLL1;
2348		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2349			return ATOM_PPLL0;
2350		DRM_ERROR("unable to allocate a PPLL\n");
2351		return ATOM_PPLL_INVALID;
2352	} else {
2353		if (!(pll_in_use & (1 << ATOM_PPLL2)))
2354			return ATOM_PPLL2;
2355		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2356			return ATOM_PPLL1;
2357		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2358			return ATOM_PPLL0;
2359		DRM_ERROR("unable to allocate a PPLL\n");
2360		return ATOM_PPLL_INVALID;
2361	}
2362	return ATOM_PPLL_INVALID;
2363}
2364
2365static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2366{
2367	struct amdgpu_device *adev = crtc->dev->dev_private;
2368	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2369	uint32_t cur_lock;
2370
2371	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2372	if (lock)
2373		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2374	else
2375		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2376	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2377}
2378
2379static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2380{
2381	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2382	struct amdgpu_device *adev = crtc->dev->dev_private;
2383	u32 tmp;
2384
2385	tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2386	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2387	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2388}
2389
2390static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2391{
2392	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2393	struct amdgpu_device *adev = crtc->dev->dev_private;
2394	u32 tmp;
2395
2396	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2397	       upper_32_bits(amdgpu_crtc->cursor_addr));
2398	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2399	       lower_32_bits(amdgpu_crtc->cursor_addr));
2400
2401	tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2402	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2403	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2404	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2405}
2406
2407static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2408					int x, int y)
2409{
2410	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2411	struct amdgpu_device *adev = crtc->dev->dev_private;
2412	int xorigin = 0, yorigin = 0;
2413
2414	amdgpu_crtc->cursor_x = x;
2415	amdgpu_crtc->cursor_y = y;
2416
2417	/* avivo cursor are offset into the total surface */
2418	x += crtc->x;
2419	y += crtc->y;
2420	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2421
2422	if (x < 0) {
2423		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2424		x = 0;
2425	}
2426	if (y < 0) {
2427		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2428		y = 0;
2429	}
2430
2431	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2432	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2433	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2434	       ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2435
2436	return 0;
2437}
2438
2439static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2440				      int x, int y)
2441{
2442	int ret;
2443
2444	dce_v11_0_lock_cursor(crtc, true);
2445	ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2446	dce_v11_0_lock_cursor(crtc, false);
2447
2448	return ret;
2449}
2450
2451static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2452				      struct drm_file *file_priv,
2453				      uint32_t handle,
2454				      uint32_t width,
2455				      uint32_t height,
2456				      int32_t hot_x,
2457				      int32_t hot_y)
2458{
2459	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2460	struct drm_gem_object *obj;
2461	struct amdgpu_bo *aobj;
2462	int ret;
2463
2464	if (!handle) {
2465		/* turn off cursor */
2466		dce_v11_0_hide_cursor(crtc);
2467		obj = NULL;
2468		goto unpin;
2469	}
2470
2471	if ((width > amdgpu_crtc->max_cursor_width) ||
2472	    (height > amdgpu_crtc->max_cursor_height)) {
2473		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2474		return -EINVAL;
2475	}
2476
2477	obj = drm_gem_object_lookup(file_priv, handle);
2478	if (!obj) {
2479		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2480		return -ENOENT;
2481	}
2482
2483	aobj = gem_to_amdgpu_bo(obj);
2484	ret = amdgpu_bo_reserve(aobj, false);
2485	if (ret != 0) {
2486		drm_gem_object_put(obj);
2487		return ret;
2488	}
2489
 
2490	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2491	amdgpu_bo_unreserve(aobj);
2492	if (ret) {
2493		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2494		drm_gem_object_put(obj);
2495		return ret;
2496	}
2497	amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2498
2499	dce_v11_0_lock_cursor(crtc, true);
2500
2501	if (width != amdgpu_crtc->cursor_width ||
2502	    height != amdgpu_crtc->cursor_height ||
2503	    hot_x != amdgpu_crtc->cursor_hot_x ||
2504	    hot_y != amdgpu_crtc->cursor_hot_y) {
2505		int x, y;
2506
2507		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2508		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2509
2510		dce_v11_0_cursor_move_locked(crtc, x, y);
2511
2512		amdgpu_crtc->cursor_width = width;
2513		amdgpu_crtc->cursor_height = height;
2514		amdgpu_crtc->cursor_hot_x = hot_x;
2515		amdgpu_crtc->cursor_hot_y = hot_y;
2516	}
2517
2518	dce_v11_0_show_cursor(crtc);
2519	dce_v11_0_lock_cursor(crtc, false);
2520
2521unpin:
2522	if (amdgpu_crtc->cursor_bo) {
2523		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2524		ret = amdgpu_bo_reserve(aobj, true);
2525		if (likely(ret == 0)) {
2526			amdgpu_bo_unpin(aobj);
2527			amdgpu_bo_unreserve(aobj);
2528		}
2529		drm_gem_object_put(amdgpu_crtc->cursor_bo);
2530	}
2531
2532	amdgpu_crtc->cursor_bo = obj;
2533	return 0;
2534}
2535
2536static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2537{
2538	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2539
2540	if (amdgpu_crtc->cursor_bo) {
2541		dce_v11_0_lock_cursor(crtc, true);
2542
2543		dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2544					     amdgpu_crtc->cursor_y);
2545
2546		dce_v11_0_show_cursor(crtc);
2547
2548		dce_v11_0_lock_cursor(crtc, false);
2549	}
2550}
2551
2552static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2553				    u16 *blue, uint32_t size,
2554				    struct drm_modeset_acquire_ctx *ctx)
2555{
2556	dce_v11_0_crtc_load_lut(crtc);
2557
2558	return 0;
2559}
2560
2561static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2562{
2563	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2564
2565	drm_crtc_cleanup(crtc);
2566	kfree(amdgpu_crtc);
2567}
2568
2569static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2570	.cursor_set2 = dce_v11_0_crtc_cursor_set2,
2571	.cursor_move = dce_v11_0_crtc_cursor_move,
2572	.gamma_set = dce_v11_0_crtc_gamma_set,
2573	.set_config = amdgpu_display_crtc_set_config,
2574	.destroy = dce_v11_0_crtc_destroy,
2575	.page_flip_target = amdgpu_display_crtc_page_flip_target,
2576	.get_vblank_counter = amdgpu_get_vblank_counter_kms,
2577	.enable_vblank = amdgpu_enable_vblank_kms,
2578	.disable_vblank = amdgpu_disable_vblank_kms,
2579	.get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2580};
2581
2582static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2583{
2584	struct drm_device *dev = crtc->dev;
2585	struct amdgpu_device *adev = dev->dev_private;
2586	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2587	unsigned type;
2588
2589	switch (mode) {
2590	case DRM_MODE_DPMS_ON:
2591		amdgpu_crtc->enabled = true;
2592		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2593		dce_v11_0_vga_enable(crtc, true);
2594		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2595		dce_v11_0_vga_enable(crtc, false);
2596		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2597		type = amdgpu_display_crtc_idx_to_irq_type(adev,
2598						amdgpu_crtc->crtc_id);
2599		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2600		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2601		drm_crtc_vblank_on(crtc);
2602		dce_v11_0_crtc_load_lut(crtc);
2603		break;
2604	case DRM_MODE_DPMS_STANDBY:
2605	case DRM_MODE_DPMS_SUSPEND:
2606	case DRM_MODE_DPMS_OFF:
2607		drm_crtc_vblank_off(crtc);
2608		if (amdgpu_crtc->enabled) {
2609			dce_v11_0_vga_enable(crtc, true);
2610			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2611			dce_v11_0_vga_enable(crtc, false);
2612		}
2613		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2614		amdgpu_crtc->enabled = false;
2615		break;
2616	}
2617	/* adjust pm to dpms */
2618	amdgpu_pm_compute_clocks(adev);
2619}
2620
2621static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2622{
2623	/* disable crtc pair power gating before programming */
2624	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2625	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2626	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2627}
2628
2629static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2630{
2631	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2632	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2633}
2634
2635static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2636{
2637	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2638	struct drm_device *dev = crtc->dev;
2639	struct amdgpu_device *adev = dev->dev_private;
2640	struct amdgpu_atom_ss ss;
2641	int i;
2642
2643	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2644	if (crtc->primary->fb) {
2645		int r;
2646		struct amdgpu_bo *abo;
2647
2648		abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2649		r = amdgpu_bo_reserve(abo, true);
2650		if (unlikely(r))
2651			DRM_ERROR("failed to reserve abo before unpin\n");
2652		else {
2653			amdgpu_bo_unpin(abo);
2654			amdgpu_bo_unreserve(abo);
2655		}
2656	}
2657	/* disable the GRPH */
2658	dce_v11_0_grph_enable(crtc, false);
2659
2660	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2661
2662	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2663		if (adev->mode_info.crtcs[i] &&
2664		    adev->mode_info.crtcs[i]->enabled &&
2665		    i != amdgpu_crtc->crtc_id &&
2666		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2667			/* one other crtc is using this pll don't turn
2668			 * off the pll
2669			 */
2670			goto done;
2671		}
2672	}
2673
2674	switch (amdgpu_crtc->pll_id) {
2675	case ATOM_PPLL0:
2676	case ATOM_PPLL1:
2677	case ATOM_PPLL2:
2678		/* disable the ppll */
2679		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2680						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2681		break;
2682	case ATOM_COMBOPHY_PLL0:
2683	case ATOM_COMBOPHY_PLL1:
2684	case ATOM_COMBOPHY_PLL2:
2685	case ATOM_COMBOPHY_PLL3:
2686	case ATOM_COMBOPHY_PLL4:
2687	case ATOM_COMBOPHY_PLL5:
2688		/* disable the ppll */
2689		amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id,
2690						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2691		break;
2692	default:
2693		break;
2694	}
2695done:
2696	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2697	amdgpu_crtc->adjusted_clock = 0;
2698	amdgpu_crtc->encoder = NULL;
2699	amdgpu_crtc->connector = NULL;
2700}
2701
2702static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2703				  struct drm_display_mode *mode,
2704				  struct drm_display_mode *adjusted_mode,
2705				  int x, int y, struct drm_framebuffer *old_fb)
2706{
2707	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2708	struct drm_device *dev = crtc->dev;
2709	struct amdgpu_device *adev = dev->dev_private;
2710
2711	if (!amdgpu_crtc->adjusted_clock)
2712		return -EINVAL;
2713
2714	if ((adev->asic_type == CHIP_POLARIS10) ||
2715	    (adev->asic_type == CHIP_POLARIS11) ||
2716	    (adev->asic_type == CHIP_POLARIS12) ||
2717	    (adev->asic_type == CHIP_VEGAM)) {
2718		struct amdgpu_encoder *amdgpu_encoder =
2719			to_amdgpu_encoder(amdgpu_crtc->encoder);
2720		int encoder_mode =
2721			amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder);
2722
2723		/* SetPixelClock calculates the plls and ss values now */
2724		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id,
2725						 amdgpu_crtc->pll_id,
2726						 encoder_mode, amdgpu_encoder->encoder_id,
2727						 adjusted_mode->clock, 0, 0, 0, 0,
2728						 amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss);
2729	} else {
2730		amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2731	}
2732	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2733	dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2734	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2735	amdgpu_atombios_crtc_scaler_setup(crtc);
2736	dce_v11_0_cursor_reset(crtc);
2737	/* update the hw version fpr dpm */
2738	amdgpu_crtc->hw_mode = *adjusted_mode;
2739
2740	return 0;
2741}
2742
2743static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2744				     const struct drm_display_mode *mode,
2745				     struct drm_display_mode *adjusted_mode)
2746{
2747	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2748	struct drm_device *dev = crtc->dev;
2749	struct drm_encoder *encoder;
2750
2751	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2752	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2753		if (encoder->crtc == crtc) {
2754			amdgpu_crtc->encoder = encoder;
2755			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2756			break;
2757		}
2758	}
2759	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2760		amdgpu_crtc->encoder = NULL;
2761		amdgpu_crtc->connector = NULL;
2762		return false;
2763	}
2764	if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2765		return false;
2766	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2767		return false;
2768	/* pick pll */
2769	amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2770	/* if we can't get a PPLL for a non-DP encoder, fail */
2771	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2772	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2773		return false;
2774
2775	return true;
2776}
2777
2778static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2779				  struct drm_framebuffer *old_fb)
2780{
2781	return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2782}
2783
2784static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2785					 struct drm_framebuffer *fb,
2786					 int x, int y, enum mode_set_atomic state)
2787{
2788       return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2789}
2790
2791static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2792	.dpms = dce_v11_0_crtc_dpms,
2793	.mode_fixup = dce_v11_0_crtc_mode_fixup,
2794	.mode_set = dce_v11_0_crtc_mode_set,
2795	.mode_set_base = dce_v11_0_crtc_set_base,
2796	.mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2797	.prepare = dce_v11_0_crtc_prepare,
2798	.commit = dce_v11_0_crtc_commit,
2799	.disable = dce_v11_0_crtc_disable,
2800	.get_scanout_position = amdgpu_crtc_get_scanout_position,
2801};
2802
2803static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2804{
2805	struct amdgpu_crtc *amdgpu_crtc;
2806
2807	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2808			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2809	if (amdgpu_crtc == NULL)
2810		return -ENOMEM;
2811
2812	drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2813
2814	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2815	amdgpu_crtc->crtc_id = index;
2816	adev->mode_info.crtcs[index] = amdgpu_crtc;
2817
2818	amdgpu_crtc->max_cursor_width = 128;
2819	amdgpu_crtc->max_cursor_height = 128;
2820	adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2821	adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2822
2823	switch (amdgpu_crtc->crtc_id) {
2824	case 0:
2825	default:
2826		amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2827		break;
2828	case 1:
2829		amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2830		break;
2831	case 2:
2832		amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2833		break;
2834	case 3:
2835		amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2836		break;
2837	case 4:
2838		amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2839		break;
2840	case 5:
2841		amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2842		break;
2843	}
2844
2845	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2846	amdgpu_crtc->adjusted_clock = 0;
2847	amdgpu_crtc->encoder = NULL;
2848	amdgpu_crtc->connector = NULL;
2849	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2850
2851	return 0;
2852}
2853
2854static int dce_v11_0_early_init(void *handle)
2855{
2856	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2857
2858	adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2859	adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2860
2861	dce_v11_0_set_display_funcs(adev);
2862
2863	adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev);
2864
2865	switch (adev->asic_type) {
2866	case CHIP_CARRIZO:
2867		adev->mode_info.num_hpd = 6;
2868		adev->mode_info.num_dig = 9;
2869		break;
2870	case CHIP_STONEY:
2871		adev->mode_info.num_hpd = 6;
2872		adev->mode_info.num_dig = 9;
2873		break;
2874	case CHIP_POLARIS10:
2875	case CHIP_VEGAM:
2876		adev->mode_info.num_hpd = 6;
2877		adev->mode_info.num_dig = 6;
2878		break;
2879	case CHIP_POLARIS11:
2880	case CHIP_POLARIS12:
2881		adev->mode_info.num_hpd = 5;
2882		adev->mode_info.num_dig = 5;
2883		break;
2884	default:
2885		/* FIXME: not supported yet */
2886		return -EINVAL;
2887	}
2888
2889	dce_v11_0_set_irq_funcs(adev);
2890
2891	return 0;
2892}
2893
2894static int dce_v11_0_sw_init(void *handle)
2895{
2896	int r, i;
2897	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2898
2899	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2900		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2901		if (r)
2902			return r;
2903	}
2904
2905	for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2906		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2907		if (r)
2908			return r;
2909	}
2910
2911	/* HPD hotplug */
2912	r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2913	if (r)
2914		return r;
2915
2916	adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2917
2918	adev->ddev->mode_config.async_page_flip = true;
2919
2920	adev->ddev->mode_config.max_width = 16384;
2921	adev->ddev->mode_config.max_height = 16384;
2922
2923	adev->ddev->mode_config.preferred_depth = 24;
2924	adev->ddev->mode_config.prefer_shadow = 1;
2925
2926	adev->ddev->mode_config.fb_base = adev->gmc.aper_base;
2927
2928	r = amdgpu_display_modeset_create_props(adev);
2929	if (r)
2930		return r;
2931
2932	adev->ddev->mode_config.max_width = 16384;
2933	adev->ddev->mode_config.max_height = 16384;
2934
2935
2936	/* allocate crtcs */
2937	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2938		r = dce_v11_0_crtc_init(adev, i);
2939		if (r)
2940			return r;
2941	}
2942
2943	if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2944		amdgpu_display_print_display_setup(adev->ddev);
2945	else
2946		return -EINVAL;
2947
2948	/* setup afmt */
2949	r = dce_v11_0_afmt_init(adev);
2950	if (r)
2951		return r;
2952
2953	r = dce_v11_0_audio_init(adev);
2954	if (r)
2955		return r;
2956
2957	drm_kms_helper_poll_init(adev->ddev);
 
 
 
 
 
 
 
 
 
 
 
2958
2959	adev->mode_info.mode_config_initialized = true;
2960	return 0;
2961}
2962
2963static int dce_v11_0_sw_fini(void *handle)
2964{
2965	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2966
2967	kfree(adev->mode_info.bios_hardcoded_edid);
2968
2969	drm_kms_helper_poll_fini(adev->ddev);
2970
2971	dce_v11_0_audio_fini(adev);
2972
2973	dce_v11_0_afmt_fini(adev);
2974
2975	drm_mode_config_cleanup(adev->ddev);
2976	adev->mode_info.mode_config_initialized = false;
2977
2978	return 0;
2979}
2980
2981static int dce_v11_0_hw_init(void *handle)
2982{
2983	int i;
2984	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2985
2986	dce_v11_0_init_golden_registers(adev);
2987
2988	/* disable vga render */
2989	dce_v11_0_set_vga_render_state(adev, false);
2990	/* init dig PHYs, disp eng pll */
2991	amdgpu_atombios_crtc_powergate_init(adev);
2992	amdgpu_atombios_encoder_init_dig(adev);
2993	if ((adev->asic_type == CHIP_POLARIS10) ||
2994	    (adev->asic_type == CHIP_POLARIS11) ||
2995	    (adev->asic_type == CHIP_POLARIS12) ||
2996	    (adev->asic_type == CHIP_VEGAM)) {
2997		amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
2998						   DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
2999		amdgpu_atombios_crtc_set_dce_clock(adev, 0,
3000						   DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
3001	} else {
3002		amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3003	}
3004
3005	/* initialize hpd */
3006	dce_v11_0_hpd_init(adev);
3007
3008	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3009		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3010	}
3011
3012	dce_v11_0_pageflip_interrupt_init(adev);
3013
3014	return 0;
3015}
3016
3017static int dce_v11_0_hw_fini(void *handle)
3018{
3019	int i;
3020	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3021
3022	dce_v11_0_hpd_fini(adev);
3023
3024	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3025		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3026	}
3027
3028	dce_v11_0_pageflip_interrupt_fini(adev);
3029
 
 
3030	return 0;
3031}
3032
3033static int dce_v11_0_suspend(void *handle)
3034{
3035	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
 
 
 
 
3036
3037	adev->mode_info.bl_level =
3038		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
3039
3040	return dce_v11_0_hw_fini(handle);
3041}
3042
3043static int dce_v11_0_resume(void *handle)
3044{
3045	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3046	int ret;
3047
3048	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
3049							   adev->mode_info.bl_level);
3050
3051	ret = dce_v11_0_hw_init(handle);
3052
3053	/* turn on the BL */
3054	if (adev->mode_info.bl_encoder) {
3055		u8 bl_level = amdgpu_display_backlight_get_level(adev,
3056								  adev->mode_info.bl_encoder);
3057		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3058						    bl_level);
3059	}
 
 
3060
3061	return ret;
3062}
3063
3064static bool dce_v11_0_is_idle(void *handle)
3065{
3066	return true;
3067}
3068
3069static int dce_v11_0_wait_for_idle(void *handle)
3070{
3071	return 0;
3072}
3073
3074static int dce_v11_0_soft_reset(void *handle)
3075{
3076	u32 srbm_soft_reset = 0, tmp;
3077	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3078
3079	if (dce_v11_0_is_display_hung(adev))
3080		srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3081
3082	if (srbm_soft_reset) {
3083		tmp = RREG32(mmSRBM_SOFT_RESET);
3084		tmp |= srbm_soft_reset;
3085		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3086		WREG32(mmSRBM_SOFT_RESET, tmp);
3087		tmp = RREG32(mmSRBM_SOFT_RESET);
3088
3089		udelay(50);
3090
3091		tmp &= ~srbm_soft_reset;
3092		WREG32(mmSRBM_SOFT_RESET, tmp);
3093		tmp = RREG32(mmSRBM_SOFT_RESET);
3094
3095		/* Wait a little for things to settle down */
3096		udelay(50);
3097	}
3098	return 0;
3099}
3100
3101static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3102						     int crtc,
3103						     enum amdgpu_interrupt_state state)
3104{
3105	u32 lb_interrupt_mask;
3106
3107	if (crtc >= adev->mode_info.num_crtc) {
3108		DRM_DEBUG("invalid crtc %d\n", crtc);
3109		return;
3110	}
3111
3112	switch (state) {
3113	case AMDGPU_IRQ_STATE_DISABLE:
3114		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3115		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3116						  VBLANK_INTERRUPT_MASK, 0);
3117		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3118		break;
3119	case AMDGPU_IRQ_STATE_ENABLE:
3120		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3121		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3122						  VBLANK_INTERRUPT_MASK, 1);
3123		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3124		break;
3125	default:
3126		break;
3127	}
3128}
3129
3130static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3131						    int crtc,
3132						    enum amdgpu_interrupt_state state)
3133{
3134	u32 lb_interrupt_mask;
3135
3136	if (crtc >= adev->mode_info.num_crtc) {
3137		DRM_DEBUG("invalid crtc %d\n", crtc);
3138		return;
3139	}
3140
3141	switch (state) {
3142	case AMDGPU_IRQ_STATE_DISABLE:
3143		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3144		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3145						  VLINE_INTERRUPT_MASK, 0);
3146		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3147		break;
3148	case AMDGPU_IRQ_STATE_ENABLE:
3149		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3150		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3151						  VLINE_INTERRUPT_MASK, 1);
3152		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3153		break;
3154	default:
3155		break;
3156	}
3157}
3158
3159static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3160					struct amdgpu_irq_src *source,
3161					unsigned hpd,
3162					enum amdgpu_interrupt_state state)
3163{
3164	u32 tmp;
3165
3166	if (hpd >= adev->mode_info.num_hpd) {
3167		DRM_DEBUG("invalid hdp %d\n", hpd);
3168		return 0;
3169	}
3170
3171	switch (state) {
3172	case AMDGPU_IRQ_STATE_DISABLE:
3173		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3174		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3175		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3176		break;
3177	case AMDGPU_IRQ_STATE_ENABLE:
3178		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3179		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3180		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3181		break;
3182	default:
3183		break;
3184	}
3185
3186	return 0;
3187}
3188
3189static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3190					struct amdgpu_irq_src *source,
3191					unsigned type,
3192					enum amdgpu_interrupt_state state)
3193{
3194	switch (type) {
3195	case AMDGPU_CRTC_IRQ_VBLANK1:
3196		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3197		break;
3198	case AMDGPU_CRTC_IRQ_VBLANK2:
3199		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3200		break;
3201	case AMDGPU_CRTC_IRQ_VBLANK3:
3202		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3203		break;
3204	case AMDGPU_CRTC_IRQ_VBLANK4:
3205		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3206		break;
3207	case AMDGPU_CRTC_IRQ_VBLANK5:
3208		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3209		break;
3210	case AMDGPU_CRTC_IRQ_VBLANK6:
3211		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3212		break;
3213	case AMDGPU_CRTC_IRQ_VLINE1:
3214		dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3215		break;
3216	case AMDGPU_CRTC_IRQ_VLINE2:
3217		dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3218		break;
3219	case AMDGPU_CRTC_IRQ_VLINE3:
3220		dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3221		break;
3222	case AMDGPU_CRTC_IRQ_VLINE4:
3223		dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3224		break;
3225	case AMDGPU_CRTC_IRQ_VLINE5:
3226		dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3227		break;
3228	 case AMDGPU_CRTC_IRQ_VLINE6:
3229		dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3230		break;
3231	default:
3232		break;
3233	}
3234	return 0;
3235}
3236
3237static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3238					    struct amdgpu_irq_src *src,
3239					    unsigned type,
3240					    enum amdgpu_interrupt_state state)
3241{
3242	u32 reg;
3243
3244	if (type >= adev->mode_info.num_crtc) {
3245		DRM_ERROR("invalid pageflip crtc %d\n", type);
3246		return -EINVAL;
3247	}
3248
3249	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3250	if (state == AMDGPU_IRQ_STATE_DISABLE)
3251		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3252		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3253	else
3254		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3255		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3256
3257	return 0;
3258}
3259
3260static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3261				  struct amdgpu_irq_src *source,
3262				  struct amdgpu_iv_entry *entry)
3263{
3264	unsigned long flags;
3265	unsigned crtc_id;
3266	struct amdgpu_crtc *amdgpu_crtc;
3267	struct amdgpu_flip_work *works;
3268
3269	crtc_id = (entry->src_id - 8) >> 1;
3270	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3271
3272	if (crtc_id >= adev->mode_info.num_crtc) {
3273		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3274		return -EINVAL;
3275	}
3276
3277	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3278	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3279		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3280		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3281
3282	/* IRQ could occur when in initial stage */
3283	if(amdgpu_crtc == NULL)
3284		return 0;
3285
3286	spin_lock_irqsave(&adev->ddev->event_lock, flags);
3287	works = amdgpu_crtc->pflip_works;
3288	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3289		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3290						 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3291						 amdgpu_crtc->pflip_status,
3292						 AMDGPU_FLIP_SUBMITTED);
3293		spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3294		return 0;
3295	}
3296
3297	/* page flip completed. clean up */
3298	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3299	amdgpu_crtc->pflip_works = NULL;
3300
3301	/* wakeup usersapce */
3302	if(works->event)
3303		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3304
3305	spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3306
3307	drm_crtc_vblank_put(&amdgpu_crtc->base);
3308	schedule_work(&works->unpin_work);
3309
3310	return 0;
3311}
3312
3313static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3314				  int hpd)
3315{
3316	u32 tmp;
3317
3318	if (hpd >= adev->mode_info.num_hpd) {
3319		DRM_DEBUG("invalid hdp %d\n", hpd);
3320		return;
3321	}
3322
3323	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3324	tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3325	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3326}
3327
3328static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3329					  int crtc)
3330{
3331	u32 tmp;
3332
3333	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3334		DRM_DEBUG("invalid crtc %d\n", crtc);
3335		return;
3336	}
3337
3338	tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3339	tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3340	WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3341}
3342
3343static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3344					 int crtc)
3345{
3346	u32 tmp;
3347
3348	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3349		DRM_DEBUG("invalid crtc %d\n", crtc);
3350		return;
3351	}
3352
3353	tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3354	tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3355	WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3356}
3357
3358static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3359				struct amdgpu_irq_src *source,
3360				struct amdgpu_iv_entry *entry)
3361{
3362	unsigned crtc = entry->src_id - 1;
3363	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3364	unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3365								    crtc);
3366
3367	switch (entry->src_data[0]) {
3368	case 0: /* vblank */
3369		if (disp_int & interrupt_status_offsets[crtc].vblank)
3370			dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3371		else
3372			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3373
3374		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3375			drm_handle_vblank(adev->ddev, crtc);
3376		}
3377		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3378
3379		break;
3380	case 1: /* vline */
3381		if (disp_int & interrupt_status_offsets[crtc].vline)
3382			dce_v11_0_crtc_vline_int_ack(adev, crtc);
3383		else
3384			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3385
3386		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3387
3388		break;
3389	default:
3390		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3391		break;
3392	}
3393
3394	return 0;
3395}
3396
3397static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3398			     struct amdgpu_irq_src *source,
3399			     struct amdgpu_iv_entry *entry)
3400{
3401	uint32_t disp_int, mask;
3402	unsigned hpd;
3403
3404	if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3405		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3406		return 0;
3407	}
3408
3409	hpd = entry->src_data[0];
3410	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3411	mask = interrupt_status_offsets[hpd].hpd;
3412
3413	if (disp_int & mask) {
3414		dce_v11_0_hpd_int_ack(adev, hpd);
3415		schedule_work(&adev->hotplug_work);
3416		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3417	}
3418
3419	return 0;
3420}
3421
3422static int dce_v11_0_set_clockgating_state(void *handle,
3423					  enum amd_clockgating_state state)
3424{
3425	return 0;
3426}
3427
3428static int dce_v11_0_set_powergating_state(void *handle,
3429					  enum amd_powergating_state state)
3430{
3431	return 0;
3432}
3433
3434static const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3435	.name = "dce_v11_0",
3436	.early_init = dce_v11_0_early_init,
3437	.late_init = NULL,
3438	.sw_init = dce_v11_0_sw_init,
3439	.sw_fini = dce_v11_0_sw_fini,
3440	.hw_init = dce_v11_0_hw_init,
3441	.hw_fini = dce_v11_0_hw_fini,
3442	.suspend = dce_v11_0_suspend,
3443	.resume = dce_v11_0_resume,
3444	.is_idle = dce_v11_0_is_idle,
3445	.wait_for_idle = dce_v11_0_wait_for_idle,
3446	.soft_reset = dce_v11_0_soft_reset,
3447	.set_clockgating_state = dce_v11_0_set_clockgating_state,
3448	.set_powergating_state = dce_v11_0_set_powergating_state,
3449};
3450
3451static void
3452dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3453			  struct drm_display_mode *mode,
3454			  struct drm_display_mode *adjusted_mode)
3455{
3456	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3457
3458	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3459
3460	/* need to call this here rather than in prepare() since we need some crtc info */
3461	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3462
3463	/* set scaler clears this on some chips */
3464	dce_v11_0_set_interleave(encoder->crtc, mode);
3465
3466	if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3467		dce_v11_0_afmt_enable(encoder, true);
3468		dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3469	}
3470}
3471
3472static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3473{
3474	struct amdgpu_device *adev = encoder->dev->dev_private;
3475	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3476	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3477
3478	if ((amdgpu_encoder->active_device &
3479	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3480	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3481	     ENCODER_OBJECT_ID_NONE)) {
3482		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3483		if (dig) {
3484			dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3485			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3486				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3487		}
3488	}
3489
3490	amdgpu_atombios_scratch_regs_lock(adev, true);
3491
3492	if (connector) {
3493		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3494
3495		/* select the clock/data port if it uses a router */
3496		if (amdgpu_connector->router.cd_valid)
3497			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3498
3499		/* turn eDP panel on for mode set */
3500		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3501			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3502							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3503	}
3504
3505	/* this is needed for the pll/ss setup to work correctly in some cases */
3506	amdgpu_atombios_encoder_set_crtc_source(encoder);
3507	/* set up the FMT blocks */
3508	dce_v11_0_program_fmt(encoder);
3509}
3510
3511static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3512{
3513	struct drm_device *dev = encoder->dev;
3514	struct amdgpu_device *adev = dev->dev_private;
3515
3516	/* need to call this here as we need the crtc set up */
3517	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3518	amdgpu_atombios_scratch_regs_lock(adev, false);
3519}
3520
3521static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3522{
3523	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3524	struct amdgpu_encoder_atom_dig *dig;
3525
3526	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3527
3528	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3529		if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3530			dce_v11_0_afmt_enable(encoder, false);
3531		dig = amdgpu_encoder->enc_priv;
3532		dig->dig_encoder = -1;
3533	}
3534	amdgpu_encoder->active_device = 0;
3535}
3536
3537/* these are handled by the primary encoders */
3538static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3539{
3540
3541}
3542
3543static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3544{
3545
3546}
3547
3548static void
3549dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3550		      struct drm_display_mode *mode,
3551		      struct drm_display_mode *adjusted_mode)
3552{
3553
3554}
3555
3556static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3557{
3558
3559}
3560
3561static void
3562dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3563{
3564
3565}
3566
3567static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3568	.dpms = dce_v11_0_ext_dpms,
3569	.prepare = dce_v11_0_ext_prepare,
3570	.mode_set = dce_v11_0_ext_mode_set,
3571	.commit = dce_v11_0_ext_commit,
3572	.disable = dce_v11_0_ext_disable,
3573	/* no detect for TMDS/LVDS yet */
3574};
3575
3576static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3577	.dpms = amdgpu_atombios_encoder_dpms,
3578	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3579	.prepare = dce_v11_0_encoder_prepare,
3580	.mode_set = dce_v11_0_encoder_mode_set,
3581	.commit = dce_v11_0_encoder_commit,
3582	.disable = dce_v11_0_encoder_disable,
3583	.detect = amdgpu_atombios_encoder_dig_detect,
3584};
3585
3586static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3587	.dpms = amdgpu_atombios_encoder_dpms,
3588	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3589	.prepare = dce_v11_0_encoder_prepare,
3590	.mode_set = dce_v11_0_encoder_mode_set,
3591	.commit = dce_v11_0_encoder_commit,
3592	.detect = amdgpu_atombios_encoder_dac_detect,
3593};
3594
3595static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3596{
3597	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3598	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3599		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3600	kfree(amdgpu_encoder->enc_priv);
3601	drm_encoder_cleanup(encoder);
3602	kfree(amdgpu_encoder);
3603}
3604
3605static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3606	.destroy = dce_v11_0_encoder_destroy,
3607};
3608
3609static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3610				 uint32_t encoder_enum,
3611				 uint32_t supported_device,
3612				 u16 caps)
3613{
3614	struct drm_device *dev = adev->ddev;
3615	struct drm_encoder *encoder;
3616	struct amdgpu_encoder *amdgpu_encoder;
3617
3618	/* see if we already added it */
3619	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3620		amdgpu_encoder = to_amdgpu_encoder(encoder);
3621		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3622			amdgpu_encoder->devices |= supported_device;
3623			return;
3624		}
3625
3626	}
3627
3628	/* add a new one */
3629	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3630	if (!amdgpu_encoder)
3631		return;
3632
3633	encoder = &amdgpu_encoder->base;
3634	switch (adev->mode_info.num_crtc) {
3635	case 1:
3636		encoder->possible_crtcs = 0x1;
3637		break;
3638	case 2:
3639	default:
3640		encoder->possible_crtcs = 0x3;
3641		break;
3642	case 3:
3643		encoder->possible_crtcs = 0x7;
3644		break;
3645	case 4:
3646		encoder->possible_crtcs = 0xf;
3647		break;
3648	case 5:
3649		encoder->possible_crtcs = 0x1f;
3650		break;
3651	case 6:
3652		encoder->possible_crtcs = 0x3f;
3653		break;
3654	}
3655
3656	amdgpu_encoder->enc_priv = NULL;
3657
3658	amdgpu_encoder->encoder_enum = encoder_enum;
3659	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3660	amdgpu_encoder->devices = supported_device;
3661	amdgpu_encoder->rmx_type = RMX_OFF;
3662	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3663	amdgpu_encoder->is_ext_encoder = false;
3664	amdgpu_encoder->caps = caps;
3665
3666	switch (amdgpu_encoder->encoder_id) {
3667	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3668	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3669		drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3670				 DRM_MODE_ENCODER_DAC, NULL);
3671		drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3672		break;
3673	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3674	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3675	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3676	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3677	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3678		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3679			amdgpu_encoder->rmx_type = RMX_FULL;
3680			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3681					 DRM_MODE_ENCODER_LVDS, NULL);
3682			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3683		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3684			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3685					 DRM_MODE_ENCODER_DAC, NULL);
3686			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3687		} else {
3688			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3689					 DRM_MODE_ENCODER_TMDS, NULL);
3690			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3691		}
3692		drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3693		break;
3694	case ENCODER_OBJECT_ID_SI170B:
3695	case ENCODER_OBJECT_ID_CH7303:
3696	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3697	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3698	case ENCODER_OBJECT_ID_TITFP513:
3699	case ENCODER_OBJECT_ID_VT1623:
3700	case ENCODER_OBJECT_ID_HDMI_SI1930:
3701	case ENCODER_OBJECT_ID_TRAVIS:
3702	case ENCODER_OBJECT_ID_NUTMEG:
3703		/* these are handled by the primary encoders */
3704		amdgpu_encoder->is_ext_encoder = true;
3705		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3706			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3707					 DRM_MODE_ENCODER_LVDS, NULL);
3708		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3709			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3710					 DRM_MODE_ENCODER_DAC, NULL);
3711		else
3712			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3713					 DRM_MODE_ENCODER_TMDS, NULL);
3714		drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3715		break;
3716	}
3717}
3718
3719static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3720	.bandwidth_update = &dce_v11_0_bandwidth_update,
3721	.vblank_get_counter = &dce_v11_0_vblank_get_counter,
3722	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3723	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3724	.hpd_sense = &dce_v11_0_hpd_sense,
3725	.hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3726	.hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3727	.page_flip = &dce_v11_0_page_flip,
3728	.page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3729	.add_encoder = &dce_v11_0_encoder_add,
3730	.add_connector = &amdgpu_connector_add,
3731};
3732
3733static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3734{
3735	adev->mode_info.funcs = &dce_v11_0_display_funcs;
3736}
3737
3738static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3739	.set = dce_v11_0_set_crtc_irq_state,
3740	.process = dce_v11_0_crtc_irq,
3741};
3742
3743static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3744	.set = dce_v11_0_set_pageflip_irq_state,
3745	.process = dce_v11_0_pageflip_irq,
3746};
3747
3748static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3749	.set = dce_v11_0_set_hpd_irq_state,
3750	.process = dce_v11_0_hpd_irq,
3751};
3752
3753static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3754{
3755	if (adev->mode_info.num_crtc > 0)
3756		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3757	else
3758		adev->crtc_irq.num_types = 0;
3759	adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3760
3761	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3762	adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3763
3764	adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3765	adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3766}
3767
3768const struct amdgpu_ip_block_version dce_v11_0_ip_block =
3769{
3770	.type = AMD_IP_BLOCK_TYPE_DCE,
3771	.major = 11,
3772	.minor = 0,
3773	.rev = 0,
3774	.funcs = &dce_v11_0_ip_funcs,
3775};
3776
3777const struct amdgpu_ip_block_version dce_v11_2_ip_block =
3778{
3779	.type = AMD_IP_BLOCK_TYPE_DCE,
3780	.major = 11,
3781	.minor = 2,
3782	.rev = 0,
3783	.funcs = &dce_v11_0_ip_funcs,
3784};