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v4.6
   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#include "drmP.h"
  24#include "amdgpu.h"
  25#include "amdgpu_pm.h"
  26#include "amdgpu_i2c.h"
  27#include "vid.h"
  28#include "atom.h"
  29#include "amdgpu_atombios.h"
  30#include "atombios_crtc.h"
  31#include "atombios_encoders.h"
  32#include "amdgpu_pll.h"
  33#include "amdgpu_connectors.h"
 
  34
  35#include "dce/dce_11_0_d.h"
  36#include "dce/dce_11_0_sh_mask.h"
  37#include "dce/dce_11_0_enum.h"
  38#include "oss/oss_3_0_d.h"
  39#include "oss/oss_3_0_sh_mask.h"
  40#include "gmc/gmc_8_1_d.h"
  41#include "gmc/gmc_8_1_sh_mask.h"
  42
  43static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
  44static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
  45
  46static const u32 crtc_offsets[] =
  47{
  48	CRTC0_REGISTER_OFFSET,
  49	CRTC1_REGISTER_OFFSET,
  50	CRTC2_REGISTER_OFFSET,
  51	CRTC3_REGISTER_OFFSET,
  52	CRTC4_REGISTER_OFFSET,
  53	CRTC5_REGISTER_OFFSET,
  54	CRTC6_REGISTER_OFFSET
  55};
  56
  57static const u32 hpd_offsets[] =
  58{
  59	HPD0_REGISTER_OFFSET,
  60	HPD1_REGISTER_OFFSET,
  61	HPD2_REGISTER_OFFSET,
  62	HPD3_REGISTER_OFFSET,
  63	HPD4_REGISTER_OFFSET,
  64	HPD5_REGISTER_OFFSET
  65};
  66
  67static const uint32_t dig_offsets[] = {
  68	DIG0_REGISTER_OFFSET,
  69	DIG1_REGISTER_OFFSET,
  70	DIG2_REGISTER_OFFSET,
  71	DIG3_REGISTER_OFFSET,
  72	DIG4_REGISTER_OFFSET,
  73	DIG5_REGISTER_OFFSET,
  74	DIG6_REGISTER_OFFSET,
  75	DIG7_REGISTER_OFFSET,
  76	DIG8_REGISTER_OFFSET
  77};
  78
  79static const struct {
  80	uint32_t        reg;
  81	uint32_t        vblank;
  82	uint32_t        vline;
  83	uint32_t        hpd;
  84
  85} interrupt_status_offsets[] = { {
  86	.reg = mmDISP_INTERRUPT_STATUS,
  87	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
  88	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
  89	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
  90}, {
  91	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
  92	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
  93	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
  94	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
  95}, {
  96	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
  97	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
  98	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
  99	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
 100}, {
 101	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
 102	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
 103	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
 104	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
 105}, {
 106	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
 107	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
 108	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
 109	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
 110}, {
 111	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
 112	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
 113	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
 114	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
 115} };
 116
 117static const u32 cz_golden_settings_a11[] =
 118{
 119	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
 120	mmFBC_MISC, 0x1f311fff, 0x14300000,
 121};
 122
 123static const u32 cz_mgcg_cgcg_init[] =
 124{
 125	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 126	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 127};
 128
 129static const u32 stoney_golden_settings_a11[] =
 130{
 131	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
 132	mmFBC_MISC, 0x1f311fff, 0x14302000,
 133};
 134
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 135
 136static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
 137{
 138	switch (adev->asic_type) {
 139	case CHIP_CARRIZO:
 140		amdgpu_program_register_sequence(adev,
 141						 cz_mgcg_cgcg_init,
 142						 (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init));
 143		amdgpu_program_register_sequence(adev,
 144						 cz_golden_settings_a11,
 145						 (const u32)ARRAY_SIZE(cz_golden_settings_a11));
 146		break;
 147	case CHIP_STONEY:
 148		amdgpu_program_register_sequence(adev,
 149						 stoney_golden_settings_a11,
 150						 (const u32)ARRAY_SIZE(stoney_golden_settings_a11));
 151		break;
 
 
 
 
 
 
 
 
 
 
 
 152	default:
 153		break;
 154	}
 155}
 156
 157static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
 158				     u32 block_offset, u32 reg)
 159{
 160	unsigned long flags;
 161	u32 r;
 162
 163	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 164	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 165	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 166	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 167
 168	return r;
 169}
 170
 171static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
 172				      u32 block_offset, u32 reg, u32 v)
 173{
 174	unsigned long flags;
 175
 176	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 177	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 178	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 179	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 180}
 181
 182static bool dce_v11_0_is_in_vblank(struct amdgpu_device *adev, int crtc)
 183{
 184	if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) &
 185			CRTC_V_BLANK_START_END__CRTC_V_BLANK_START_MASK)
 186		return true;
 187	else
 188		return false;
 189}
 190
 191static bool dce_v11_0_is_counter_moving(struct amdgpu_device *adev, int crtc)
 192{
 193	u32 pos1, pos2;
 194
 195	pos1 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 196	pos2 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 197
 198	if (pos1 != pos2)
 199		return true;
 200	else
 201		return false;
 202}
 203
 204/**
 205 * dce_v11_0_vblank_wait - vblank wait asic callback.
 206 *
 207 * @adev: amdgpu_device pointer
 208 * @crtc: crtc to wait for vblank on
 209 *
 210 * Wait for vblank on the requested crtc (evergreen+).
 211 */
 212static void dce_v11_0_vblank_wait(struct amdgpu_device *adev, int crtc)
 213{
 214	unsigned i = 100;
 215
 216	if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
 217		return;
 218
 219	if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK))
 220		return;
 221
 222	/* depending on when we hit vblank, we may be close to active; if so,
 223	 * wait for another frame.
 224	 */
 225	while (dce_v11_0_is_in_vblank(adev, crtc)) {
 226		if (i++ == 100) {
 227			i = 0;
 228			if (!dce_v11_0_is_counter_moving(adev, crtc))
 229				break;
 230		}
 231	}
 232
 233	while (!dce_v11_0_is_in_vblank(adev, crtc)) {
 234		if (i++ == 100) {
 235			i = 0;
 236			if (!dce_v11_0_is_counter_moving(adev, crtc))
 237				break;
 238		}
 239	}
 240}
 241
 242static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 243{
 244	if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
 245		return 0;
 246	else
 247		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 248}
 249
 250static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 251{
 252	unsigned i;
 253
 254	/* Enable pflip interrupts */
 255	for (i = 0; i < adev->mode_info.num_crtc; i++)
 256		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 257}
 258
 259static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 260{
 261	unsigned i;
 262
 263	/* Disable pflip interrupts */
 264	for (i = 0; i < adev->mode_info.num_crtc; i++)
 265		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 266}
 267
 268/**
 269 * dce_v11_0_page_flip - pageflip callback.
 270 *
 271 * @adev: amdgpu_device pointer
 272 * @crtc_id: crtc to cleanup pageflip on
 273 * @crtc_base: new address of the crtc (GPU MC address)
 274 *
 275 * Triggers the actual pageflip by updating the primary
 276 * surface base address.
 277 */
 278static void dce_v11_0_page_flip(struct amdgpu_device *adev,
 279			      int crtc_id, u64 crtc_base)
 280{
 281	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 
 282
 
 
 
 
 
 283	/* update the scanout addresses */
 284	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 285	       upper_32_bits(crtc_base));
 286	/* writing to the low address triggers the update */
 287	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 288	       lower_32_bits(crtc_base));
 289	/* post the write */
 290	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 291}
 292
 293static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 294					u32 *vbl, u32 *position)
 295{
 296	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 297		return -EINVAL;
 298
 299	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 300	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 301
 302	return 0;
 303}
 304
 305/**
 306 * dce_v11_0_hpd_sense - hpd sense callback.
 307 *
 308 * @adev: amdgpu_device pointer
 309 * @hpd: hpd (hotplug detect) pin
 310 *
 311 * Checks if a digital monitor is connected (evergreen+).
 312 * Returns true if connected, false if not connected.
 313 */
 314static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
 315			       enum amdgpu_hpd_id hpd)
 316{
 317	int idx;
 318	bool connected = false;
 319
 320	switch (hpd) {
 321	case AMDGPU_HPD_1:
 322		idx = 0;
 323		break;
 324	case AMDGPU_HPD_2:
 325		idx = 1;
 326		break;
 327	case AMDGPU_HPD_3:
 328		idx = 2;
 329		break;
 330	case AMDGPU_HPD_4:
 331		idx = 3;
 332		break;
 333	case AMDGPU_HPD_5:
 334		idx = 4;
 335		break;
 336	case AMDGPU_HPD_6:
 337		idx = 5;
 338		break;
 339	default:
 340		return connected;
 341	}
 342
 343	if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[idx]) &
 344	    DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
 345		connected = true;
 346
 347	return connected;
 348}
 349
 350/**
 351 * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
 352 *
 353 * @adev: amdgpu_device pointer
 354 * @hpd: hpd (hotplug detect) pin
 355 *
 356 * Set the polarity of the hpd pin (evergreen+).
 357 */
 358static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
 359				      enum amdgpu_hpd_id hpd)
 360{
 361	u32 tmp;
 362	bool connected = dce_v11_0_hpd_sense(adev, hpd);
 363	int idx;
 364
 365	switch (hpd) {
 366	case AMDGPU_HPD_1:
 367		idx = 0;
 368		break;
 369	case AMDGPU_HPD_2:
 370		idx = 1;
 371		break;
 372	case AMDGPU_HPD_3:
 373		idx = 2;
 374		break;
 375	case AMDGPU_HPD_4:
 376		idx = 3;
 377		break;
 378	case AMDGPU_HPD_5:
 379		idx = 4;
 380		break;
 381	case AMDGPU_HPD_6:
 382		idx = 5;
 383		break;
 384	default:
 385		return;
 386	}
 387
 388	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx]);
 389	if (connected)
 390		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
 391	else
 392		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
 393	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx], tmp);
 394}
 395
 396/**
 397 * dce_v11_0_hpd_init - hpd setup callback.
 398 *
 399 * @adev: amdgpu_device pointer
 400 *
 401 * Setup the hpd pins used by the card (evergreen+).
 402 * Enable the pin, set the polarity, and enable the hpd interrupts.
 403 */
 404static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
 405{
 406	struct drm_device *dev = adev->ddev;
 407	struct drm_connector *connector;
 408	u32 tmp;
 409	int idx;
 410
 411	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 412		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 413
 
 
 
 414		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 415		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 416			/* don't try to enable hpd on eDP or LVDS avoid breaking the
 417			 * aux dp channel on imac and help (but not completely fix)
 418			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 419			 * also avoid interrupt storms during dpms.
 420			 */
 
 
 
 421			continue;
 422		}
 423
 424		switch (amdgpu_connector->hpd.hpd) {
 425		case AMDGPU_HPD_1:
 426			idx = 0;
 427			break;
 428		case AMDGPU_HPD_2:
 429			idx = 1;
 430			break;
 431		case AMDGPU_HPD_3:
 432			idx = 2;
 433			break;
 434		case AMDGPU_HPD_4:
 435			idx = 3;
 436			break;
 437		case AMDGPU_HPD_5:
 438			idx = 4;
 439			break;
 440		case AMDGPU_HPD_6:
 441			idx = 5;
 442			break;
 443		default:
 444			continue;
 445		}
 446
 447		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
 448		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
 449		WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
 450
 451		tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx]);
 452		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 453				    DC_HPD_CONNECT_INT_DELAY,
 454				    AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
 455		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 456				    DC_HPD_DISCONNECT_INT_DELAY,
 457				    AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
 458		WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx], tmp);
 459
 460		dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 461		amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 462	}
 463}
 464
 465/**
 466 * dce_v11_0_hpd_fini - hpd tear down callback.
 467 *
 468 * @adev: amdgpu_device pointer
 469 *
 470 * Tear down the hpd pins used by the card (evergreen+).
 471 * Disable the hpd interrupts.
 472 */
 473static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
 474{
 475	struct drm_device *dev = adev->ddev;
 476	struct drm_connector *connector;
 477	u32 tmp;
 478	int idx;
 479
 480	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 481		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 482
 483		switch (amdgpu_connector->hpd.hpd) {
 484		case AMDGPU_HPD_1:
 485			idx = 0;
 486			break;
 487		case AMDGPU_HPD_2:
 488			idx = 1;
 489			break;
 490		case AMDGPU_HPD_3:
 491			idx = 2;
 492			break;
 493		case AMDGPU_HPD_4:
 494			idx = 3;
 495			break;
 496		case AMDGPU_HPD_5:
 497			idx = 4;
 498			break;
 499		case AMDGPU_HPD_6:
 500			idx = 5;
 501			break;
 502		default:
 503			continue;
 504		}
 505
 506		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
 507		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
 508		WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
 509
 510		amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 511	}
 512}
 513
 514static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 515{
 516	return mmDC_GPIO_HPD_A;
 517}
 518
 519static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
 520{
 521	u32 crtc_hung = 0;
 522	u32 crtc_status[6];
 523	u32 i, j, tmp;
 524
 525	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 526		tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 527		if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
 528			crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 529			crtc_hung |= (1 << i);
 530		}
 531	}
 532
 533	for (j = 0; j < 10; j++) {
 534		for (i = 0; i < adev->mode_info.num_crtc; i++) {
 535			if (crtc_hung & (1 << i)) {
 536				tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 537				if (tmp != crtc_status[i])
 538					crtc_hung &= ~(1 << i);
 539			}
 540		}
 541		if (crtc_hung == 0)
 542			return false;
 543		udelay(100);
 544	}
 545
 546	return true;
 547}
 548
 549static void dce_v11_0_stop_mc_access(struct amdgpu_device *adev,
 550				     struct amdgpu_mode_mc_save *save)
 551{
 552	u32 crtc_enabled, tmp;
 553	int i;
 554
 555	save->vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
 556	save->vga_hdp_control = RREG32(mmVGA_HDP_CONTROL);
 557
 558	/* disable VGA render */
 559	tmp = RREG32(mmVGA_RENDER_CONTROL);
 560	tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 561	WREG32(mmVGA_RENDER_CONTROL, tmp);
 562
 563	/* blank the display controllers */
 564	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 565		crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
 566					     CRTC_CONTROL, CRTC_MASTER_EN);
 567		if (crtc_enabled) {
 568#if 0
 569			u32 frame_count;
 570			int j;
 571
 572			save->crtc_enabled[i] = true;
 573			tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
 574			if (REG_GET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN) == 0) {
 575				amdgpu_display_vblank_wait(adev, i);
 576				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 577				tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 1);
 578				WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
 579				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 580			}
 581			/* wait for the next frame */
 582			frame_count = amdgpu_display_vblank_get_counter(adev, i);
 583			for (j = 0; j < adev->usec_timeout; j++) {
 584				if (amdgpu_display_vblank_get_counter(adev, i) != frame_count)
 585					break;
 586				udelay(1);
 587			}
 588			tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
 589			if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK) == 0) {
 590				tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 1);
 591				WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
 592			}
 593			tmp = RREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i]);
 594			if (REG_GET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK) == 0) {
 595				tmp = REG_SET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 1);
 596				WREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
 597			}
 598#else
 599			/* XXX this is a hack to avoid strange behavior with EFI on certain systems */
 600			WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 601			tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 602			tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
 603			WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 604			WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 605			save->crtc_enabled[i] = false;
 606			/* ***** */
 607#endif
 608		} else {
 609			save->crtc_enabled[i] = false;
 610		}
 611	}
 612}
 613
 614static void dce_v11_0_resume_mc_access(struct amdgpu_device *adev,
 615				       struct amdgpu_mode_mc_save *save)
 616{
 617	u32 tmp, frame_count;
 618	int i, j;
 619
 620	/* update crtc base addresses */
 621	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 622		WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
 623		       upper_32_bits(adev->mc.vram_start));
 624		WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
 625		       upper_32_bits(adev->mc.vram_start));
 626		WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
 627		       (u32)adev->mc.vram_start);
 628		WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
 629		       (u32)adev->mc.vram_start);
 630
 631		if (save->crtc_enabled[i]) {
 632			tmp = RREG32(mmCRTC_MASTER_UPDATE_MODE + crtc_offsets[i]);
 633			if (REG_GET_FIELD(tmp, CRTC_MASTER_UPDATE_MODE, MASTER_UPDATE_MODE) != 3) {
 634				tmp = REG_SET_FIELD(tmp, CRTC_MASTER_UPDATE_MODE, MASTER_UPDATE_MODE, 3);
 635				WREG32(mmCRTC_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
 636			}
 637			tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
 638			if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK)) {
 639				tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 0);
 640				WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
 641			}
 642			tmp = RREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i]);
 643			if (REG_GET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK)) {
 644				tmp = REG_SET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 0);
 645				WREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
 646			}
 647			for (j = 0; j < adev->usec_timeout; j++) {
 648				tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
 649				if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_SURFACE_UPDATE_PENDING) == 0)
 650					break;
 651				udelay(1);
 652			}
 653			tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
 654			tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 0);
 655			WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 656			WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
 657			WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 658			/* wait for the next frame */
 659			frame_count = amdgpu_display_vblank_get_counter(adev, i);
 660			for (j = 0; j < adev->usec_timeout; j++) {
 661				if (amdgpu_display_vblank_get_counter(adev, i) != frame_count)
 662					break;
 663				udelay(1);
 664			}
 665		}
 666	}
 667
 668	WREG32(mmVGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(adev->mc.vram_start));
 669	WREG32(mmVGA_MEMORY_BASE_ADDRESS, lower_32_bits(adev->mc.vram_start));
 670
 671	/* Unlock vga access */
 672	WREG32(mmVGA_HDP_CONTROL, save->vga_hdp_control);
 673	mdelay(1);
 674	WREG32(mmVGA_RENDER_CONTROL, save->vga_render_control);
 675}
 676
 677static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
 678					   bool render)
 679{
 680	u32 tmp;
 681
 682	/* Lockout access through VGA aperture*/
 683	tmp = RREG32(mmVGA_HDP_CONTROL);
 684	if (render)
 685		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
 686	else
 687		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
 688	WREG32(mmVGA_HDP_CONTROL, tmp);
 689
 690	/* disable VGA render */
 691	tmp = RREG32(mmVGA_RENDER_CONTROL);
 692	if (render)
 693		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
 694	else
 695		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 696	WREG32(mmVGA_RENDER_CONTROL, tmp);
 697}
 698
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 699static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
 700{
 701	struct drm_device *dev = encoder->dev;
 702	struct amdgpu_device *adev = dev->dev_private;
 703	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 704	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 705	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 706	int bpc = 0;
 707	u32 tmp = 0;
 708	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 709
 710	if (connector) {
 711		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 712		bpc = amdgpu_connector_get_monitor_bpc(connector);
 713		dither = amdgpu_connector->dither;
 714	}
 715
 716	/* LVDS/eDP FMT is set up by atom */
 717	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 718		return;
 719
 720	/* not needed for analog */
 721	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 722	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 723		return;
 724
 725	if (bpc == 0)
 726		return;
 727
 728	switch (bpc) {
 729	case 6:
 730		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 731			/* XXX sort out optimal dither settings */
 732			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 733			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 734			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 735			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
 736		} else {
 737			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 738			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
 739		}
 740		break;
 741	case 8:
 742		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 743			/* XXX sort out optimal dither settings */
 744			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 745			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 746			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 747			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 748			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
 749		} else {
 750			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 751			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
 752		}
 753		break;
 754	case 10:
 755		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 756			/* XXX sort out optimal dither settings */
 757			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 758			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 759			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 760			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 761			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
 762		} else {
 763			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 764			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
 765		}
 766		break;
 767	default:
 768		/* not needed */
 769		break;
 770	}
 771
 772	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 773}
 774
 775
 776/* display watermark setup */
 777/**
 778 * dce_v11_0_line_buffer_adjust - Set up the line buffer
 779 *
 780 * @adev: amdgpu_device pointer
 781 * @amdgpu_crtc: the selected display controller
 782 * @mode: the current display mode on the selected display
 783 * controller
 784 *
 785 * Setup up the line buffer allocation for
 786 * the selected display controller (CIK).
 787 * Returns the line buffer size in pixels.
 788 */
 789static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
 790				       struct amdgpu_crtc *amdgpu_crtc,
 791				       struct drm_display_mode *mode)
 792{
 793	u32 tmp, buffer_alloc, i, mem_cfg;
 794	u32 pipe_offset = amdgpu_crtc->crtc_id;
 795	/*
 796	 * Line Buffer Setup
 797	 * There are 6 line buffers, one for each display controllers.
 798	 * There are 3 partitions per LB. Select the number of partitions
 799	 * to enable based on the display width.  For display widths larger
 800	 * than 4096, you need use to use 2 display controllers and combine
 801	 * them using the stereo blender.
 802	 */
 803	if (amdgpu_crtc->base.enabled && mode) {
 804		if (mode->crtc_hdisplay < 1920) {
 805			mem_cfg = 1;
 806			buffer_alloc = 2;
 807		} else if (mode->crtc_hdisplay < 2560) {
 808			mem_cfg = 2;
 809			buffer_alloc = 2;
 810		} else if (mode->crtc_hdisplay < 4096) {
 811			mem_cfg = 0;
 812			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 813		} else {
 814			DRM_DEBUG_KMS("Mode too big for LB!\n");
 815			mem_cfg = 0;
 816			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 817		}
 818	} else {
 819		mem_cfg = 1;
 820		buffer_alloc = 0;
 821	}
 822
 823	tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
 824	tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
 825	WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
 826
 827	tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 828	tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
 829	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
 830
 831	for (i = 0; i < adev->usec_timeout; i++) {
 832		tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 833		if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
 834			break;
 835		udelay(1);
 836	}
 837
 838	if (amdgpu_crtc->base.enabled && mode) {
 839		switch (mem_cfg) {
 840		case 0:
 841		default:
 842			return 4096 * 2;
 843		case 1:
 844			return 1920 * 2;
 845		case 2:
 846			return 2560 * 2;
 847		}
 848	}
 849
 850	/* controller not enabled, so no lb used */
 851	return 0;
 852}
 853
 854/**
 855 * cik_get_number_of_dram_channels - get the number of dram channels
 856 *
 857 * @adev: amdgpu_device pointer
 858 *
 859 * Look up the number of video ram channels (CIK).
 860 * Used for display watermark bandwidth calculations
 861 * Returns the number of dram channels
 862 */
 863static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
 864{
 865	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 866
 867	switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
 868	case 0:
 869	default:
 870		return 1;
 871	case 1:
 872		return 2;
 873	case 2:
 874		return 4;
 875	case 3:
 876		return 8;
 877	case 4:
 878		return 3;
 879	case 5:
 880		return 6;
 881	case 6:
 882		return 10;
 883	case 7:
 884		return 12;
 885	case 8:
 886		return 16;
 887	}
 888}
 889
 890struct dce10_wm_params {
 891	u32 dram_channels; /* number of dram channels */
 892	u32 yclk;          /* bandwidth per dram data pin in kHz */
 893	u32 sclk;          /* engine clock in kHz */
 894	u32 disp_clk;      /* display clock in kHz */
 895	u32 src_width;     /* viewport width */
 896	u32 active_time;   /* active display time in ns */
 897	u32 blank_time;    /* blank time in ns */
 898	bool interlaced;    /* mode is interlaced */
 899	fixed20_12 vsc;    /* vertical scale ratio */
 900	u32 num_heads;     /* number of active crtcs */
 901	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 902	u32 lb_size;       /* line buffer allocated to pipe */
 903	u32 vtaps;         /* vertical scaler taps */
 904};
 905
 906/**
 907 * dce_v11_0_dram_bandwidth - get the dram bandwidth
 908 *
 909 * @wm: watermark calculation data
 910 *
 911 * Calculate the raw dram bandwidth (CIK).
 912 * Used for display watermark bandwidth calculations
 913 * Returns the dram bandwidth in MBytes/s
 914 */
 915static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
 916{
 917	/* Calculate raw DRAM Bandwidth */
 918	fixed20_12 dram_efficiency; /* 0.7 */
 919	fixed20_12 yclk, dram_channels, bandwidth;
 920	fixed20_12 a;
 921
 922	a.full = dfixed_const(1000);
 923	yclk.full = dfixed_const(wm->yclk);
 924	yclk.full = dfixed_div(yclk, a);
 925	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 926	a.full = dfixed_const(10);
 927	dram_efficiency.full = dfixed_const(7);
 928	dram_efficiency.full = dfixed_div(dram_efficiency, a);
 929	bandwidth.full = dfixed_mul(dram_channels, yclk);
 930	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 931
 932	return dfixed_trunc(bandwidth);
 933}
 934
 935/**
 936 * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
 937 *
 938 * @wm: watermark calculation data
 939 *
 940 * Calculate the dram bandwidth used for display (CIK).
 941 * Used for display watermark bandwidth calculations
 942 * Returns the dram bandwidth for display in MBytes/s
 943 */
 944static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 945{
 946	/* Calculate DRAM Bandwidth and the part allocated to display. */
 947	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 948	fixed20_12 yclk, dram_channels, bandwidth;
 949	fixed20_12 a;
 950
 951	a.full = dfixed_const(1000);
 952	yclk.full = dfixed_const(wm->yclk);
 953	yclk.full = dfixed_div(yclk, a);
 954	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 955	a.full = dfixed_const(10);
 956	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 957	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 958	bandwidth.full = dfixed_mul(dram_channels, yclk);
 959	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 960
 961	return dfixed_trunc(bandwidth);
 962}
 963
 964/**
 965 * dce_v11_0_data_return_bandwidth - get the data return bandwidth
 966 *
 967 * @wm: watermark calculation data
 968 *
 969 * Calculate the data return bandwidth used for display (CIK).
 970 * Used for display watermark bandwidth calculations
 971 * Returns the data return bandwidth in MBytes/s
 972 */
 973static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
 974{
 975	/* Calculate the display Data return Bandwidth */
 976	fixed20_12 return_efficiency; /* 0.8 */
 977	fixed20_12 sclk, bandwidth;
 978	fixed20_12 a;
 979
 980	a.full = dfixed_const(1000);
 981	sclk.full = dfixed_const(wm->sclk);
 982	sclk.full = dfixed_div(sclk, a);
 983	a.full = dfixed_const(10);
 984	return_efficiency.full = dfixed_const(8);
 985	return_efficiency.full = dfixed_div(return_efficiency, a);
 986	a.full = dfixed_const(32);
 987	bandwidth.full = dfixed_mul(a, sclk);
 988	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 989
 990	return dfixed_trunc(bandwidth);
 991}
 992
 993/**
 994 * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
 995 *
 996 * @wm: watermark calculation data
 997 *
 998 * Calculate the dmif bandwidth used for display (CIK).
 999 * Used for display watermark bandwidth calculations
1000 * Returns the dmif bandwidth in MBytes/s
1001 */
1002static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
1003{
1004	/* Calculate the DMIF Request Bandwidth */
1005	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
1006	fixed20_12 disp_clk, bandwidth;
1007	fixed20_12 a, b;
1008
1009	a.full = dfixed_const(1000);
1010	disp_clk.full = dfixed_const(wm->disp_clk);
1011	disp_clk.full = dfixed_div(disp_clk, a);
1012	a.full = dfixed_const(32);
1013	b.full = dfixed_mul(a, disp_clk);
1014
1015	a.full = dfixed_const(10);
1016	disp_clk_request_efficiency.full = dfixed_const(8);
1017	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
1018
1019	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
1020
1021	return dfixed_trunc(bandwidth);
1022}
1023
1024/**
1025 * dce_v11_0_available_bandwidth - get the min available bandwidth
1026 *
1027 * @wm: watermark calculation data
1028 *
1029 * Calculate the min available bandwidth used for display (CIK).
1030 * Used for display watermark bandwidth calculations
1031 * Returns the min available bandwidth in MBytes/s
1032 */
1033static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
1034{
1035	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
1036	u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
1037	u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
1038	u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
1039
1040	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
1041}
1042
1043/**
1044 * dce_v11_0_average_bandwidth - get the average available bandwidth
1045 *
1046 * @wm: watermark calculation data
1047 *
1048 * Calculate the average available bandwidth used for display (CIK).
1049 * Used for display watermark bandwidth calculations
1050 * Returns the average available bandwidth in MBytes/s
1051 */
1052static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
1053{
1054	/* Calculate the display mode Average Bandwidth
1055	 * DisplayMode should contain the source and destination dimensions,
1056	 * timing, etc.
1057	 */
1058	fixed20_12 bpp;
1059	fixed20_12 line_time;
1060	fixed20_12 src_width;
1061	fixed20_12 bandwidth;
1062	fixed20_12 a;
1063
1064	a.full = dfixed_const(1000);
1065	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
1066	line_time.full = dfixed_div(line_time, a);
1067	bpp.full = dfixed_const(wm->bytes_per_pixel);
1068	src_width.full = dfixed_const(wm->src_width);
1069	bandwidth.full = dfixed_mul(src_width, bpp);
1070	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
1071	bandwidth.full = dfixed_div(bandwidth, line_time);
1072
1073	return dfixed_trunc(bandwidth);
1074}
1075
1076/**
1077 * dce_v11_0_latency_watermark - get the latency watermark
1078 *
1079 * @wm: watermark calculation data
1080 *
1081 * Calculate the latency watermark (CIK).
1082 * Used for display watermark bandwidth calculations
1083 * Returns the latency watermark in ns
1084 */
1085static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
1086{
1087	/* First calculate the latency in ns */
1088	u32 mc_latency = 2000; /* 2000 ns. */
1089	u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
1090	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
1091	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
1092	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
1093	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
1094		(wm->num_heads * cursor_line_pair_return_time);
1095	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
1096	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
1097	u32 tmp, dmif_size = 12288;
1098	fixed20_12 a, b, c;
1099
1100	if (wm->num_heads == 0)
1101		return 0;
1102
1103	a.full = dfixed_const(2);
1104	b.full = dfixed_const(1);
1105	if ((wm->vsc.full > a.full) ||
1106	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
1107	    (wm->vtaps >= 5) ||
1108	    ((wm->vsc.full >= a.full) && wm->interlaced))
1109		max_src_lines_per_dst_line = 4;
1110	else
1111		max_src_lines_per_dst_line = 2;
1112
1113	a.full = dfixed_const(available_bandwidth);
1114	b.full = dfixed_const(wm->num_heads);
1115	a.full = dfixed_div(a, b);
1116
1117	b.full = dfixed_const(mc_latency + 512);
1118	c.full = dfixed_const(wm->disp_clk);
1119	b.full = dfixed_div(b, c);
1120
1121	c.full = dfixed_const(dmif_size);
1122	b.full = dfixed_div(c, b);
1123
1124	tmp = min(dfixed_trunc(a), dfixed_trunc(b));
1125
1126	b.full = dfixed_const(1000);
1127	c.full = dfixed_const(wm->disp_clk);
1128	b.full = dfixed_div(c, b);
1129	c.full = dfixed_const(wm->bytes_per_pixel);
1130	b.full = dfixed_mul(b, c);
1131
1132	lb_fill_bw = min(tmp, dfixed_trunc(b));
1133
1134	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
1135	b.full = dfixed_const(1000);
1136	c.full = dfixed_const(lb_fill_bw);
1137	b.full = dfixed_div(c, b);
1138	a.full = dfixed_div(a, b);
1139	line_fill_time = dfixed_trunc(a);
1140
1141	if (line_fill_time < wm->active_time)
1142		return latency;
1143	else
1144		return latency + (line_fill_time - wm->active_time);
1145
1146}
1147
1148/**
1149 * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
1150 * average and available dram bandwidth
1151 *
1152 * @wm: watermark calculation data
1153 *
1154 * Check if the display average bandwidth fits in the display
1155 * dram bandwidth (CIK).
1156 * Used for display watermark bandwidth calculations
1157 * Returns true if the display fits, false if not.
1158 */
1159static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
1160{
1161	if (dce_v11_0_average_bandwidth(wm) <=
1162	    (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
1163		return true;
1164	else
1165		return false;
1166}
1167
1168/**
1169 * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
1170 * average and available bandwidth
1171 *
1172 * @wm: watermark calculation data
1173 *
1174 * Check if the display average bandwidth fits in the display
1175 * available bandwidth (CIK).
1176 * Used for display watermark bandwidth calculations
1177 * Returns true if the display fits, false if not.
1178 */
1179static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
1180{
1181	if (dce_v11_0_average_bandwidth(wm) <=
1182	    (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1183		return true;
1184	else
1185		return false;
1186}
1187
1188/**
1189 * dce_v11_0_check_latency_hiding - check latency hiding
1190 *
1191 * @wm: watermark calculation data
1192 *
1193 * Check latency hiding (CIK).
1194 * Used for display watermark bandwidth calculations
1195 * Returns true if the display fits, false if not.
1196 */
1197static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1198{
1199	u32 lb_partitions = wm->lb_size / wm->src_width;
1200	u32 line_time = wm->active_time + wm->blank_time;
1201	u32 latency_tolerant_lines;
1202	u32 latency_hiding;
1203	fixed20_12 a;
1204
1205	a.full = dfixed_const(1);
1206	if (wm->vsc.full > a.full)
1207		latency_tolerant_lines = 1;
1208	else {
1209		if (lb_partitions <= (wm->vtaps + 1))
1210			latency_tolerant_lines = 1;
1211		else
1212			latency_tolerant_lines = 2;
1213	}
1214
1215	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1216
1217	if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1218		return true;
1219	else
1220		return false;
1221}
1222
1223/**
1224 * dce_v11_0_program_watermarks - program display watermarks
1225 *
1226 * @adev: amdgpu_device pointer
1227 * @amdgpu_crtc: the selected display controller
1228 * @lb_size: line buffer size
1229 * @num_heads: number of display controllers in use
1230 *
1231 * Calculate and program the display watermarks for the
1232 * selected display controller (CIK).
1233 */
1234static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1235					struct amdgpu_crtc *amdgpu_crtc,
1236					u32 lb_size, u32 num_heads)
1237{
1238	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1239	struct dce10_wm_params wm_low, wm_high;
1240	u32 pixel_period;
1241	u32 line_time = 0;
1242	u32 latency_watermark_a = 0, latency_watermark_b = 0;
1243	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1244
1245	if (amdgpu_crtc->base.enabled && num_heads && mode) {
1246		pixel_period = 1000000 / (u32)mode->clock;
1247		line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
1248
1249		/* watermark for high clocks */
1250		if (adev->pm.dpm_enabled) {
1251			wm_high.yclk =
1252				amdgpu_dpm_get_mclk(adev, false) * 10;
1253			wm_high.sclk =
1254				amdgpu_dpm_get_sclk(adev, false) * 10;
1255		} else {
1256			wm_high.yclk = adev->pm.current_mclk * 10;
1257			wm_high.sclk = adev->pm.current_sclk * 10;
1258		}
1259
1260		wm_high.disp_clk = mode->clock;
1261		wm_high.src_width = mode->crtc_hdisplay;
1262		wm_high.active_time = mode->crtc_hdisplay * pixel_period;
1263		wm_high.blank_time = line_time - wm_high.active_time;
1264		wm_high.interlaced = false;
1265		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1266			wm_high.interlaced = true;
1267		wm_high.vsc = amdgpu_crtc->vsc;
1268		wm_high.vtaps = 1;
1269		if (amdgpu_crtc->rmx_type != RMX_OFF)
1270			wm_high.vtaps = 2;
1271		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1272		wm_high.lb_size = lb_size;
1273		wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1274		wm_high.num_heads = num_heads;
1275
1276		/* set for high clocks */
1277		latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535);
1278
1279		/* possibly force display priority to high */
1280		/* should really do this at mode validation time... */
1281		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1282		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1283		    !dce_v11_0_check_latency_hiding(&wm_high) ||
1284		    (adev->mode_info.disp_priority == 2)) {
1285			DRM_DEBUG_KMS("force priority to high\n");
1286		}
1287
1288		/* watermark for low clocks */
1289		if (adev->pm.dpm_enabled) {
1290			wm_low.yclk =
1291				amdgpu_dpm_get_mclk(adev, true) * 10;
1292			wm_low.sclk =
1293				amdgpu_dpm_get_sclk(adev, true) * 10;
1294		} else {
1295			wm_low.yclk = adev->pm.current_mclk * 10;
1296			wm_low.sclk = adev->pm.current_sclk * 10;
1297		}
1298
1299		wm_low.disp_clk = mode->clock;
1300		wm_low.src_width = mode->crtc_hdisplay;
1301		wm_low.active_time = mode->crtc_hdisplay * pixel_period;
1302		wm_low.blank_time = line_time - wm_low.active_time;
1303		wm_low.interlaced = false;
1304		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1305			wm_low.interlaced = true;
1306		wm_low.vsc = amdgpu_crtc->vsc;
1307		wm_low.vtaps = 1;
1308		if (amdgpu_crtc->rmx_type != RMX_OFF)
1309			wm_low.vtaps = 2;
1310		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1311		wm_low.lb_size = lb_size;
1312		wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1313		wm_low.num_heads = num_heads;
1314
1315		/* set for low clocks */
1316		latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535);
1317
1318		/* possibly force display priority to high */
1319		/* should really do this at mode validation time... */
1320		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1321		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1322		    !dce_v11_0_check_latency_hiding(&wm_low) ||
1323		    (adev->mode_info.disp_priority == 2)) {
1324			DRM_DEBUG_KMS("force priority to high\n");
1325		}
1326		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1327	}
1328
1329	/* select wm A */
1330	wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1331	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1332	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1333	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1334	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1335	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1336	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1337	/* select wm B */
1338	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1339	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1340	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1341	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1342	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1343	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1344	/* restore original selection */
1345	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1346
1347	/* save values for DPM */
1348	amdgpu_crtc->line_time = line_time;
1349	amdgpu_crtc->wm_high = latency_watermark_a;
1350	amdgpu_crtc->wm_low = latency_watermark_b;
1351	/* Save number of lines the linebuffer leads before the scanout */
1352	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1353}
1354
1355/**
1356 * dce_v11_0_bandwidth_update - program display watermarks
1357 *
1358 * @adev: amdgpu_device pointer
1359 *
1360 * Calculate and program the display watermarks and line
1361 * buffer allocation (CIK).
1362 */
1363static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1364{
1365	struct drm_display_mode *mode = NULL;
1366	u32 num_heads = 0, lb_size;
1367	int i;
1368
1369	amdgpu_update_display_priority(adev);
1370
1371	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1372		if (adev->mode_info.crtcs[i]->base.enabled)
1373			num_heads++;
1374	}
1375	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1376		mode = &adev->mode_info.crtcs[i]->base.mode;
1377		lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1378		dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1379					    lb_size, num_heads);
1380	}
1381}
1382
1383static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1384{
1385	int i;
1386	u32 offset, tmp;
1387
1388	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1389		offset = adev->mode_info.audio.pin[i].offset;
1390		tmp = RREG32_AUDIO_ENDPT(offset,
1391					 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1392		if (((tmp &
1393		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1394		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1395			adev->mode_info.audio.pin[i].connected = false;
1396		else
1397			adev->mode_info.audio.pin[i].connected = true;
1398	}
1399}
1400
1401static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1402{
1403	int i;
1404
1405	dce_v11_0_audio_get_connected_pins(adev);
1406
1407	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1408		if (adev->mode_info.audio.pin[i].connected)
1409			return &adev->mode_info.audio.pin[i];
1410	}
1411	DRM_ERROR("No connected audio pins found!\n");
1412	return NULL;
1413}
1414
1415static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1416{
1417	struct amdgpu_device *adev = encoder->dev->dev_private;
1418	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1419	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1420	u32 tmp;
1421
1422	if (!dig || !dig->afmt || !dig->afmt->pin)
1423		return;
1424
1425	tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1426	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1427	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1428}
1429
1430static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1431						struct drm_display_mode *mode)
1432{
1433	struct amdgpu_device *adev = encoder->dev->dev_private;
1434	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1435	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1436	struct drm_connector *connector;
1437	struct amdgpu_connector *amdgpu_connector = NULL;
1438	u32 tmp;
1439	int interlace = 0;
1440
1441	if (!dig || !dig->afmt || !dig->afmt->pin)
1442		return;
1443
1444	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1445		if (connector->encoder == encoder) {
1446			amdgpu_connector = to_amdgpu_connector(connector);
1447			break;
1448		}
1449	}
1450
1451	if (!amdgpu_connector) {
1452		DRM_ERROR("Couldn't find encoder's connector\n");
1453		return;
1454	}
1455
1456	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1457		interlace = 1;
1458	if (connector->latency_present[interlace]) {
1459		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1460				    VIDEO_LIPSYNC, connector->video_latency[interlace]);
1461		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1462				    AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1463	} else {
1464		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1465				    VIDEO_LIPSYNC, 0);
1466		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1467				    AUDIO_LIPSYNC, 0);
1468	}
1469	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1470			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1471}
1472
1473static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1474{
1475	struct amdgpu_device *adev = encoder->dev->dev_private;
1476	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1477	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1478	struct drm_connector *connector;
1479	struct amdgpu_connector *amdgpu_connector = NULL;
1480	u32 tmp;
1481	u8 *sadb = NULL;
1482	int sad_count;
1483
1484	if (!dig || !dig->afmt || !dig->afmt->pin)
1485		return;
1486
1487	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1488		if (connector->encoder == encoder) {
1489			amdgpu_connector = to_amdgpu_connector(connector);
1490			break;
1491		}
1492	}
1493
1494	if (!amdgpu_connector) {
1495		DRM_ERROR("Couldn't find encoder's connector\n");
1496		return;
1497	}
1498
1499	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1500	if (sad_count < 0) {
1501		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1502		sad_count = 0;
1503	}
1504
1505	/* program the speaker allocation */
1506	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1507				 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1508	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1509			    DP_CONNECTION, 0);
1510	/* set HDMI mode */
1511	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1512			    HDMI_CONNECTION, 1);
1513	if (sad_count)
1514		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1515				    SPEAKER_ALLOCATION, sadb[0]);
1516	else
1517		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1518				    SPEAKER_ALLOCATION, 5); /* stereo */
1519	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1520			   ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1521
1522	kfree(sadb);
1523}
1524
1525static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1526{
1527	struct amdgpu_device *adev = encoder->dev->dev_private;
1528	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1529	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1530	struct drm_connector *connector;
1531	struct amdgpu_connector *amdgpu_connector = NULL;
1532	struct cea_sad *sads;
1533	int i, sad_count;
1534
1535	static const u16 eld_reg_to_type[][2] = {
1536		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1537		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1538		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1539		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1540		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1541		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1542		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1543		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1544		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1545		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1546		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1547		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1548	};
1549
1550	if (!dig || !dig->afmt || !dig->afmt->pin)
1551		return;
1552
1553	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1554		if (connector->encoder == encoder) {
1555			amdgpu_connector = to_amdgpu_connector(connector);
1556			break;
1557		}
1558	}
1559
1560	if (!amdgpu_connector) {
1561		DRM_ERROR("Couldn't find encoder's connector\n");
1562		return;
1563	}
1564
1565	sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1566	if (sad_count <= 0) {
1567		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1568		return;
1569	}
1570	BUG_ON(!sads);
1571
1572	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1573		u32 tmp = 0;
1574		u8 stereo_freqs = 0;
1575		int max_channels = -1;
1576		int j;
1577
1578		for (j = 0; j < sad_count; j++) {
1579			struct cea_sad *sad = &sads[j];
1580
1581			if (sad->format == eld_reg_to_type[i][1]) {
1582				if (sad->channels > max_channels) {
1583					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1584							    MAX_CHANNELS, sad->channels);
1585					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1586							    DESCRIPTOR_BYTE_2, sad->byte2);
1587					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1588							    SUPPORTED_FREQUENCIES, sad->freq);
1589					max_channels = sad->channels;
1590				}
1591
1592				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1593					stereo_freqs |= sad->freq;
1594				else
1595					break;
1596			}
1597		}
1598
1599		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1600				    SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1601		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1602	}
1603
1604	kfree(sads);
1605}
1606
1607static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1608				  struct amdgpu_audio_pin *pin,
1609				  bool enable)
1610{
1611	if (!pin)
1612		return;
1613
1614	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1615			   enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1616}
1617
1618static const u32 pin_offsets[] =
1619{
1620	AUD0_REGISTER_OFFSET,
1621	AUD1_REGISTER_OFFSET,
1622	AUD2_REGISTER_OFFSET,
1623	AUD3_REGISTER_OFFSET,
1624	AUD4_REGISTER_OFFSET,
1625	AUD5_REGISTER_OFFSET,
1626	AUD6_REGISTER_OFFSET,
 
1627};
1628
1629static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1630{
1631	int i;
1632
1633	if (!amdgpu_audio)
1634		return 0;
1635
1636	adev->mode_info.audio.enabled = true;
1637
1638	adev->mode_info.audio.num_pins = 7;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1639
1640	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1641		adev->mode_info.audio.pin[i].channels = -1;
1642		adev->mode_info.audio.pin[i].rate = -1;
1643		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1644		adev->mode_info.audio.pin[i].status_bits = 0;
1645		adev->mode_info.audio.pin[i].category_code = 0;
1646		adev->mode_info.audio.pin[i].connected = false;
1647		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1648		adev->mode_info.audio.pin[i].id = i;
1649		/* disable audio.  it will be set up later */
1650		/* XXX remove once we switch to ip funcs */
1651		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1652	}
1653
1654	return 0;
1655}
1656
1657static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1658{
1659	int i;
1660
1661	if (!amdgpu_audio)
1662		return;
1663
1664	if (!adev->mode_info.audio.enabled)
1665		return;
1666
1667	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1668		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1669
1670	adev->mode_info.audio.enabled = false;
1671}
1672
1673/*
1674 * update the N and CTS parameters for a given pixel clock rate
1675 */
1676static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1677{
1678	struct drm_device *dev = encoder->dev;
1679	struct amdgpu_device *adev = dev->dev_private;
1680	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1681	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1682	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1683	u32 tmp;
1684
1685	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1686	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1687	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1688	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1689	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1690	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1691
1692	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1693	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1694	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1695	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1696	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1697	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1698
1699	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1700	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1701	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1702	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1703	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1704	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1705
1706}
1707
1708/*
1709 * build a HDMI Video Info Frame
1710 */
1711static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1712					       void *buffer, size_t size)
1713{
1714	struct drm_device *dev = encoder->dev;
1715	struct amdgpu_device *adev = dev->dev_private;
1716	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1717	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1718	uint8_t *frame = buffer + 3;
1719	uint8_t *header = buffer;
1720
1721	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1722		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1723	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1724		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1725	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1726		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1727	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1728		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1729}
1730
1731static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1732{
1733	struct drm_device *dev = encoder->dev;
1734	struct amdgpu_device *adev = dev->dev_private;
1735	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1736	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1737	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1738	u32 dto_phase = 24 * 1000;
1739	u32 dto_modulo = clock;
1740	u32 tmp;
1741
1742	if (!dig || !dig->afmt)
1743		return;
1744
1745	/* XXX two dtos; generally use dto0 for hdmi */
1746	/* Express [24MHz / target pixel clock] as an exact rational
1747	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1748	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1749	 */
1750	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1751	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1752			    amdgpu_crtc->crtc_id);
1753	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1754	WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1755	WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1756}
1757
1758/*
1759 * update the info frames with the data from the current display mode
1760 */
1761static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1762				  struct drm_display_mode *mode)
1763{
1764	struct drm_device *dev = encoder->dev;
1765	struct amdgpu_device *adev = dev->dev_private;
1766	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1767	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1768	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1769	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1770	struct hdmi_avi_infoframe frame;
1771	ssize_t err;
1772	u32 tmp;
1773	int bpc = 8;
1774
1775	if (!dig || !dig->afmt)
1776		return;
1777
1778	/* Silent, r600_hdmi_enable will raise WARN for us */
1779	if (!dig->afmt->enabled)
1780		return;
1781
1782	/* hdmi deep color mode general control packets setup, if bpc > 8 */
1783	if (encoder->crtc) {
1784		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1785		bpc = amdgpu_crtc->bpc;
1786	}
1787
1788	/* disable audio prior to setting up hw */
1789	dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1790	dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1791
1792	dce_v11_0_audio_set_dto(encoder, mode->clock);
1793
1794	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1795	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1796	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1797
1798	WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1799
1800	tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1801	switch (bpc) {
1802	case 0:
1803	case 6:
1804	case 8:
1805	case 16:
1806	default:
1807		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1808		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1809		DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1810			  connector->name, bpc);
1811		break;
1812	case 10:
1813		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1814		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1815		DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1816			  connector->name);
1817		break;
1818	case 12:
1819		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1820		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1821		DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1822			  connector->name);
1823		break;
1824	}
1825	WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1826
1827	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1828	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1829	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1830	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1831	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1832
1833	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1834	/* enable audio info frames (frames won't be set until audio is enabled) */
1835	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1836	/* required for audio info values to be updated */
1837	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1838	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1839
1840	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1841	/* required for audio info values to be updated */
1842	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1843	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1844
1845	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1846	/* anything other than 0 */
1847	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1848	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1849
1850	WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1851
1852	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1853	/* set the default audio delay */
1854	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1855	/* should be suffient for all audio modes and small enough for all hblanks */
1856	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1857	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1858
1859	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1860	/* allow 60958 channel status fields to be updated */
1861	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1862	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1863
1864	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1865	if (bpc > 8)
1866		/* clear SW CTS value */
1867		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1868	else
1869		/* select SW CTS value */
1870		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1871	/* allow hw to sent ACR packets when required */
1872	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1873	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1874
1875	dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1876
1877	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1878	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1879	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1880
1881	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1882	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1883	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1884
1885	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1886	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1887	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1888	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1889	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1890	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1891	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1892	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1893
1894	dce_v11_0_audio_write_speaker_allocation(encoder);
1895
1896	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1897	       (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1898
1899	dce_v11_0_afmt_audio_select_pin(encoder);
1900	dce_v11_0_audio_write_sad_regs(encoder);
1901	dce_v11_0_audio_write_latency_fields(encoder, mode);
1902
1903	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
1904	if (err < 0) {
1905		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1906		return;
1907	}
1908
1909	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1910	if (err < 0) {
1911		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1912		return;
1913	}
1914
1915	dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1916
1917	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1918	/* enable AVI info frames */
1919	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1920	/* required for audio info values to be updated */
1921	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1922	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1923
1924	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1925	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1926	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1927
1928	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1929	/* send audio packets */
1930	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1931	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1932
1933	WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1934	WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1935	WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1936	WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1937
1938	/* enable audio after to setting up hw */
1939	dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1940}
1941
1942static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1943{
1944	struct drm_device *dev = encoder->dev;
1945	struct amdgpu_device *adev = dev->dev_private;
1946	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1947	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1948
1949	if (!dig || !dig->afmt)
1950		return;
1951
1952	/* Silent, r600_hdmi_enable will raise WARN for us */
1953	if (enable && dig->afmt->enabled)
1954		return;
1955	if (!enable && !dig->afmt->enabled)
1956		return;
1957
1958	if (!enable && dig->afmt->pin) {
1959		dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1960		dig->afmt->pin = NULL;
1961	}
1962
1963	dig->afmt->enabled = enable;
1964
1965	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1966		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1967}
1968
1969static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1970{
1971	int i;
1972
1973	for (i = 0; i < adev->mode_info.num_dig; i++)
1974		adev->mode_info.afmt[i] = NULL;
1975
1976	/* DCE11 has audio blocks tied to DIG encoders */
1977	for (i = 0; i < adev->mode_info.num_dig; i++) {
1978		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1979		if (adev->mode_info.afmt[i]) {
1980			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1981			adev->mode_info.afmt[i]->id = i;
1982		} else {
1983			int j;
1984			for (j = 0; j < i; j++) {
1985				kfree(adev->mode_info.afmt[j]);
1986				adev->mode_info.afmt[j] = NULL;
1987			}
1988			return -ENOMEM;
1989		}
1990	}
1991	return 0;
1992}
1993
1994static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1995{
1996	int i;
1997
1998	for (i = 0; i < adev->mode_info.num_dig; i++) {
1999		kfree(adev->mode_info.afmt[i]);
2000		adev->mode_info.afmt[i] = NULL;
2001	}
2002}
2003
2004static const u32 vga_control_regs[6] =
2005{
2006	mmD1VGA_CONTROL,
2007	mmD2VGA_CONTROL,
2008	mmD3VGA_CONTROL,
2009	mmD4VGA_CONTROL,
2010	mmD5VGA_CONTROL,
2011	mmD6VGA_CONTROL,
2012};
2013
2014static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
2015{
2016	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2017	struct drm_device *dev = crtc->dev;
2018	struct amdgpu_device *adev = dev->dev_private;
2019	u32 vga_control;
2020
2021	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
2022	if (enable)
2023		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
2024	else
2025		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
2026}
2027
2028static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
2029{
2030	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2031	struct drm_device *dev = crtc->dev;
2032	struct amdgpu_device *adev = dev->dev_private;
2033
2034	if (enable)
2035		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
2036	else
2037		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
2038}
2039
2040static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
2041				     struct drm_framebuffer *fb,
2042				     int x, int y, int atomic)
2043{
2044	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2045	struct drm_device *dev = crtc->dev;
2046	struct amdgpu_device *adev = dev->dev_private;
2047	struct amdgpu_framebuffer *amdgpu_fb;
2048	struct drm_framebuffer *target_fb;
2049	struct drm_gem_object *obj;
2050	struct amdgpu_bo *rbo;
2051	uint64_t fb_location, tiling_flags;
2052	uint32_t fb_format, fb_pitch_pixels;
2053	u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
2054	u32 pipe_config;
2055	u32 tmp, viewport_w, viewport_h;
2056	int r;
2057	bool bypass_lut = false;
 
2058
2059	/* no fb bound */
2060	if (!atomic && !crtc->primary->fb) {
2061		DRM_DEBUG_KMS("No FB bound\n");
2062		return 0;
2063	}
2064
2065	if (atomic) {
2066		amdgpu_fb = to_amdgpu_framebuffer(fb);
2067		target_fb = fb;
2068	} else {
2069		amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2070		target_fb = crtc->primary->fb;
2071	}
2072
2073	/* If atomic, assume fb object is pinned & idle & fenced and
2074	 * just update base pointers
2075	 */
2076	obj = amdgpu_fb->obj;
2077	rbo = gem_to_amdgpu_bo(obj);
2078	r = amdgpu_bo_reserve(rbo, false);
2079	if (unlikely(r != 0))
2080		return r;
2081
2082	if (atomic) {
2083		fb_location = amdgpu_bo_gpu_offset(rbo);
2084	} else {
2085		r = amdgpu_bo_pin(rbo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location);
2086		if (unlikely(r != 0)) {
2087			amdgpu_bo_unreserve(rbo);
2088			return -EINVAL;
2089		}
2090	}
2091
2092	amdgpu_bo_get_tiling_flags(rbo, &tiling_flags);
2093	amdgpu_bo_unreserve(rbo);
2094
2095	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
2096
2097	switch (target_fb->pixel_format) {
2098	case DRM_FORMAT_C8:
2099		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
2100		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2101		break;
2102	case DRM_FORMAT_XRGB4444:
2103	case DRM_FORMAT_ARGB4444:
2104		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2105		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
2106#ifdef __BIG_ENDIAN
2107		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2108					ENDIAN_8IN16);
2109#endif
2110		break;
2111	case DRM_FORMAT_XRGB1555:
2112	case DRM_FORMAT_ARGB1555:
2113		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2114		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2115#ifdef __BIG_ENDIAN
2116		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2117					ENDIAN_8IN16);
2118#endif
2119		break;
2120	case DRM_FORMAT_BGRX5551:
2121	case DRM_FORMAT_BGRA5551:
2122		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2123		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
2124#ifdef __BIG_ENDIAN
2125		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2126					ENDIAN_8IN16);
2127#endif
2128		break;
2129	case DRM_FORMAT_RGB565:
2130		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2131		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2132#ifdef __BIG_ENDIAN
2133		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2134					ENDIAN_8IN16);
2135#endif
2136		break;
2137	case DRM_FORMAT_XRGB8888:
2138	case DRM_FORMAT_ARGB8888:
2139		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2140		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2141#ifdef __BIG_ENDIAN
2142		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2143					ENDIAN_8IN32);
2144#endif
2145		break;
2146	case DRM_FORMAT_XRGB2101010:
2147	case DRM_FORMAT_ARGB2101010:
2148		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2149		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2150#ifdef __BIG_ENDIAN
2151		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2152					ENDIAN_8IN32);
2153#endif
2154		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2155		bypass_lut = true;
2156		break;
2157	case DRM_FORMAT_BGRX1010102:
2158	case DRM_FORMAT_BGRA1010102:
2159		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2160		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2161#ifdef __BIG_ENDIAN
2162		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2163					ENDIAN_8IN32);
2164#endif
2165		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2166		bypass_lut = true;
2167		break;
2168	default:
2169		DRM_ERROR("Unsupported screen format %s\n",
2170			drm_get_format_name(target_fb->pixel_format));
2171		return -EINVAL;
2172	}
2173
2174	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2175		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2176
2177		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2178		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2179		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2180		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2181		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2182
2183		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2184		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2185					  ARRAY_2D_TILED_THIN1);
2186		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2187					  tile_split);
2188		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2189		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2190		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2191					  mtaspect);
2192		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2193					  ADDR_SURF_MICRO_TILING_DISPLAY);
2194	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2195		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2196					  ARRAY_1D_TILED_THIN1);
2197	}
2198
2199	fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2200				  pipe_config);
2201
2202	dce_v11_0_vga_enable(crtc, false);
2203
 
 
 
 
 
 
 
 
2204	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2205	       upper_32_bits(fb_location));
2206	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2207	       upper_32_bits(fb_location));
2208	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2209	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2210	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2211	       (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2212	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2213	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2214
2215	/*
2216	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2217	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2218	 * retain the full precision throughout the pipeline.
2219	 */
2220	tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2221	if (bypass_lut)
2222		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2223	else
2224		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2225	WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2226
2227	if (bypass_lut)
2228		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2229
2230	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2231	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2232	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2233	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2234	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2235	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2236
2237	fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
2238	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2239
2240	dce_v11_0_grph_enable(crtc, true);
2241
2242	WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2243	       target_fb->height);
2244
2245	x &= ~3;
2246	y &= ~1;
2247	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2248	       (x << 16) | y);
2249	viewport_w = crtc->mode.hdisplay;
2250	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2251	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2252	       (viewport_w << 16) | viewport_h);
2253
2254	/* pageflip setup */
2255	/* make sure flip is at vb rather than hb */
2256	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2257	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2258			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2259	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2260
2261	/* set pageflip to happen only at start of vblank interval (front porch) */
2262	WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 3);
2263
2264	if (!atomic && fb && fb != crtc->primary->fb) {
2265		amdgpu_fb = to_amdgpu_framebuffer(fb);
2266		rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2267		r = amdgpu_bo_reserve(rbo, false);
2268		if (unlikely(r != 0))
2269			return r;
2270		amdgpu_bo_unpin(rbo);
2271		amdgpu_bo_unreserve(rbo);
2272	}
2273
2274	/* Bytes per pixel may have changed */
2275	dce_v11_0_bandwidth_update(adev);
2276
2277	return 0;
2278}
2279
2280static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2281				     struct drm_display_mode *mode)
2282{
2283	struct drm_device *dev = crtc->dev;
2284	struct amdgpu_device *adev = dev->dev_private;
2285	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2286	u32 tmp;
2287
2288	tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2289	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2290		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2291	else
2292		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2293	WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2294}
2295
2296static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2297{
2298	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2299	struct drm_device *dev = crtc->dev;
2300	struct amdgpu_device *adev = dev->dev_private;
2301	int i;
2302	u32 tmp;
2303
2304	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2305
2306	tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2307	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2308	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2309
2310	tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2311	tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2312	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2313
2314	tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2315	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2316	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2317
2318	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2319
2320	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2321	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2322	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2323
2324	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2325	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2326	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2327
2328	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2329	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2330
2331	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2332	for (i = 0; i < 256; i++) {
2333		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2334		       (amdgpu_crtc->lut_r[i] << 20) |
2335		       (amdgpu_crtc->lut_g[i] << 10) |
2336		       (amdgpu_crtc->lut_b[i] << 0));
2337	}
2338
2339	tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2340	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2341	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2342	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2343	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2344
2345	tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2346	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2347	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2348
2349	tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2350	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2351	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2352
2353	tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2354	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2355	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2356
2357	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2358	WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2359	/* XXX this only needs to be programmed once per crtc at startup,
2360	 * not sure where the best place for it is
2361	 */
2362	tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2363	tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2364	WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2365}
2366
2367static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2368{
2369	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2370	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2371
2372	switch (amdgpu_encoder->encoder_id) {
2373	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2374		if (dig->linkb)
2375			return 1;
2376		else
2377			return 0;
2378		break;
2379	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2380		if (dig->linkb)
2381			return 3;
2382		else
2383			return 2;
2384		break;
2385	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2386		if (dig->linkb)
2387			return 5;
2388		else
2389			return 4;
2390		break;
2391	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2392		return 6;
2393		break;
2394	default:
2395		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2396		return 0;
2397	}
2398}
2399
2400/**
2401 * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2402 *
2403 * @crtc: drm crtc
2404 *
2405 * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2406 * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2407 * monitors a dedicated PPLL must be used.  If a particular board has
2408 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2409 * as there is no need to program the PLL itself.  If we are not able to
2410 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2411 * avoid messing up an existing monitor.
2412 *
2413 * Asic specific PLL information
2414 *
2415 * DCE 10.x
2416 * Tonga
2417 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2418 * CI
2419 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2420 *
2421 */
2422static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2423{
2424	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2425	struct drm_device *dev = crtc->dev;
2426	struct amdgpu_device *adev = dev->dev_private;
2427	u32 pll_in_use;
2428	int pll;
2429
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2430	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2431		if (adev->clock.dp_extclk)
2432			/* skip PPLL programming if using ext clock */
2433			return ATOM_PPLL_INVALID;
2434		else {
2435			/* use the same PPLL for all DP monitors */
2436			pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2437			if (pll != ATOM_PPLL_INVALID)
2438				return pll;
2439		}
2440	} else {
2441		/* use the same PPLL for all monitors with the same clock */
2442		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2443		if (pll != ATOM_PPLL_INVALID)
2444			return pll;
2445	}
2446
2447	/* XXX need to determine what plls are available on each DCE11 part */
2448	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2449	if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) {
2450		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2451			return ATOM_PPLL1;
2452		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2453			return ATOM_PPLL0;
2454		DRM_ERROR("unable to allocate a PPLL\n");
2455		return ATOM_PPLL_INVALID;
2456	} else {
2457		if (!(pll_in_use & (1 << ATOM_PPLL2)))
2458			return ATOM_PPLL2;
2459		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2460			return ATOM_PPLL1;
2461		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2462			return ATOM_PPLL0;
2463		DRM_ERROR("unable to allocate a PPLL\n");
2464		return ATOM_PPLL_INVALID;
2465	}
2466	return ATOM_PPLL_INVALID;
2467}
2468
2469static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2470{
2471	struct amdgpu_device *adev = crtc->dev->dev_private;
2472	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2473	uint32_t cur_lock;
2474
2475	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2476	if (lock)
2477		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2478	else
2479		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2480	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2481}
2482
2483static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2484{
2485	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2486	struct amdgpu_device *adev = crtc->dev->dev_private;
2487	u32 tmp;
2488
2489	tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2490	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2491	WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2492}
2493
2494static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2495{
2496	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2497	struct amdgpu_device *adev = crtc->dev->dev_private;
2498	u32 tmp;
2499
2500	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2501	       upper_32_bits(amdgpu_crtc->cursor_addr));
2502	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2503	       lower_32_bits(amdgpu_crtc->cursor_addr));
2504
2505	tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2506	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2507	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2508	WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2509}
2510
2511static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2512					int x, int y)
2513{
2514	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2515	struct amdgpu_device *adev = crtc->dev->dev_private;
2516	int xorigin = 0, yorigin = 0;
2517
 
 
 
2518	/* avivo cursor are offset into the total surface */
2519	x += crtc->x;
2520	y += crtc->y;
2521	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2522
2523	if (x < 0) {
2524		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2525		x = 0;
2526	}
2527	if (y < 0) {
2528		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2529		y = 0;
2530	}
2531
2532	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2533	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2534	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2535	       ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2536
2537	amdgpu_crtc->cursor_x = x;
2538	amdgpu_crtc->cursor_y = y;
2539
2540	return 0;
2541}
2542
2543static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2544				      int x, int y)
2545{
2546	int ret;
2547
2548	dce_v11_0_lock_cursor(crtc, true);
2549	ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2550	dce_v11_0_lock_cursor(crtc, false);
2551
2552	return ret;
2553}
2554
2555static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2556				      struct drm_file *file_priv,
2557				      uint32_t handle,
2558				      uint32_t width,
2559				      uint32_t height,
2560				      int32_t hot_x,
2561				      int32_t hot_y)
2562{
2563	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2564	struct drm_gem_object *obj;
2565	struct amdgpu_bo *aobj;
2566	int ret;
2567
2568	if (!handle) {
2569		/* turn off cursor */
2570		dce_v11_0_hide_cursor(crtc);
2571		obj = NULL;
2572		goto unpin;
2573	}
2574
2575	if ((width > amdgpu_crtc->max_cursor_width) ||
2576	    (height > amdgpu_crtc->max_cursor_height)) {
2577		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2578		return -EINVAL;
2579	}
2580
2581	obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
2582	if (!obj) {
2583		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2584		return -ENOENT;
2585	}
2586
2587	aobj = gem_to_amdgpu_bo(obj);
2588	ret = amdgpu_bo_reserve(aobj, false);
2589	if (ret != 0) {
2590		drm_gem_object_unreference_unlocked(obj);
2591		return ret;
2592	}
2593
2594	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM, &amdgpu_crtc->cursor_addr);
2595	amdgpu_bo_unreserve(aobj);
2596	if (ret) {
2597		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2598		drm_gem_object_unreference_unlocked(obj);
2599		return ret;
2600	}
2601
2602	amdgpu_crtc->cursor_width = width;
2603	amdgpu_crtc->cursor_height = height;
2604
2605	dce_v11_0_lock_cursor(crtc, true);
2606
2607	if (hot_x != amdgpu_crtc->cursor_hot_x ||
 
 
2608	    hot_y != amdgpu_crtc->cursor_hot_y) {
2609		int x, y;
2610
2611		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2612		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2613
2614		dce_v11_0_cursor_move_locked(crtc, x, y);
2615
 
 
2616		amdgpu_crtc->cursor_hot_x = hot_x;
2617		amdgpu_crtc->cursor_hot_y = hot_y;
2618	}
2619
2620	dce_v11_0_show_cursor(crtc);
2621	dce_v11_0_lock_cursor(crtc, false);
2622
2623unpin:
2624	if (amdgpu_crtc->cursor_bo) {
2625		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2626		ret = amdgpu_bo_reserve(aobj, false);
2627		if (likely(ret == 0)) {
2628			amdgpu_bo_unpin(aobj);
2629			amdgpu_bo_unreserve(aobj);
2630		}
2631		drm_gem_object_unreference_unlocked(amdgpu_crtc->cursor_bo);
2632	}
2633
2634	amdgpu_crtc->cursor_bo = obj;
2635	return 0;
2636}
2637
2638static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2639{
2640	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2641
2642	if (amdgpu_crtc->cursor_bo) {
2643		dce_v11_0_lock_cursor(crtc, true);
2644
2645		dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2646					     amdgpu_crtc->cursor_y);
2647
2648		dce_v11_0_show_cursor(crtc);
2649
2650		dce_v11_0_lock_cursor(crtc, false);
2651	}
2652}
2653
2654static void dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2655				    u16 *blue, uint32_t start, uint32_t size)
2656{
2657	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2658	int end = (start + size > 256) ? 256 : start + size, i;
2659
2660	/* userspace palettes are always correct as is */
2661	for (i = start; i < end; i++) {
2662		amdgpu_crtc->lut_r[i] = red[i] >> 6;
2663		amdgpu_crtc->lut_g[i] = green[i] >> 6;
2664		amdgpu_crtc->lut_b[i] = blue[i] >> 6;
2665	}
2666	dce_v11_0_crtc_load_lut(crtc);
 
 
2667}
2668
2669static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2670{
2671	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2672
2673	drm_crtc_cleanup(crtc);
2674	kfree(amdgpu_crtc);
2675}
2676
2677static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2678	.cursor_set2 = dce_v11_0_crtc_cursor_set2,
2679	.cursor_move = dce_v11_0_crtc_cursor_move,
2680	.gamma_set = dce_v11_0_crtc_gamma_set,
2681	.set_config = amdgpu_crtc_set_config,
2682	.destroy = dce_v11_0_crtc_destroy,
2683	.page_flip = amdgpu_crtc_page_flip,
2684};
2685
2686static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2687{
2688	struct drm_device *dev = crtc->dev;
2689	struct amdgpu_device *adev = dev->dev_private;
2690	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2691	unsigned type;
2692
2693	switch (mode) {
2694	case DRM_MODE_DPMS_ON:
2695		amdgpu_crtc->enabled = true;
2696		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2697		dce_v11_0_vga_enable(crtc, true);
2698		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2699		dce_v11_0_vga_enable(crtc, false);
2700		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2701		type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id);
2702		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2703		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2704		drm_vblank_on(dev, amdgpu_crtc->crtc_id);
2705		dce_v11_0_crtc_load_lut(crtc);
2706		break;
2707	case DRM_MODE_DPMS_STANDBY:
2708	case DRM_MODE_DPMS_SUSPEND:
2709	case DRM_MODE_DPMS_OFF:
2710		drm_vblank_off(dev, amdgpu_crtc->crtc_id);
2711		if (amdgpu_crtc->enabled) {
2712			dce_v11_0_vga_enable(crtc, true);
2713			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2714			dce_v11_0_vga_enable(crtc, false);
2715		}
2716		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2717		amdgpu_crtc->enabled = false;
2718		break;
2719	}
2720	/* adjust pm to dpms */
2721	amdgpu_pm_compute_clocks(adev);
2722}
2723
2724static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2725{
2726	/* disable crtc pair power gating before programming */
2727	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2728	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2729	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2730}
2731
2732static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2733{
2734	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2735	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2736}
2737
2738static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2739{
2740	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2741	struct drm_device *dev = crtc->dev;
2742	struct amdgpu_device *adev = dev->dev_private;
2743	struct amdgpu_atom_ss ss;
2744	int i;
2745
2746	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2747	if (crtc->primary->fb) {
2748		int r;
2749		struct amdgpu_framebuffer *amdgpu_fb;
2750		struct amdgpu_bo *rbo;
2751
2752		amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2753		rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2754		r = amdgpu_bo_reserve(rbo, false);
2755		if (unlikely(r))
2756			DRM_ERROR("failed to reserve rbo before unpin\n");
2757		else {
2758			amdgpu_bo_unpin(rbo);
2759			amdgpu_bo_unreserve(rbo);
2760		}
2761	}
2762	/* disable the GRPH */
2763	dce_v11_0_grph_enable(crtc, false);
2764
2765	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2766
2767	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2768		if (adev->mode_info.crtcs[i] &&
2769		    adev->mode_info.crtcs[i]->enabled &&
2770		    i != amdgpu_crtc->crtc_id &&
2771		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2772			/* one other crtc is using this pll don't turn
2773			 * off the pll
2774			 */
2775			goto done;
2776		}
2777	}
2778
2779	switch (amdgpu_crtc->pll_id) {
2780	case ATOM_PPLL0:
2781	case ATOM_PPLL1:
2782	case ATOM_PPLL2:
2783		/* disable the ppll */
2784		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2785					  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
 
 
 
 
 
 
 
 
 
 
2786		break;
2787	default:
2788		break;
2789	}
2790done:
2791	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2792	amdgpu_crtc->adjusted_clock = 0;
2793	amdgpu_crtc->encoder = NULL;
2794	amdgpu_crtc->connector = NULL;
2795}
2796
2797static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2798				  struct drm_display_mode *mode,
2799				  struct drm_display_mode *adjusted_mode,
2800				  int x, int y, struct drm_framebuffer *old_fb)
2801{
2802	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
 
 
2803
2804	if (!amdgpu_crtc->adjusted_clock)
2805		return -EINVAL;
2806
2807	amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2808	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2809	dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2810	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2811	amdgpu_atombios_crtc_scaler_setup(crtc);
2812	dce_v11_0_cursor_reset(crtc);
2813	/* update the hw version fpr dpm */
2814	amdgpu_crtc->hw_mode = *adjusted_mode;
2815
2816	return 0;
2817}
2818
2819static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2820				     const struct drm_display_mode *mode,
2821				     struct drm_display_mode *adjusted_mode)
2822{
2823	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2824	struct drm_device *dev = crtc->dev;
2825	struct drm_encoder *encoder;
2826
2827	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2828	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2829		if (encoder->crtc == crtc) {
2830			amdgpu_crtc->encoder = encoder;
2831			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2832			break;
2833		}
2834	}
2835	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2836		amdgpu_crtc->encoder = NULL;
2837		amdgpu_crtc->connector = NULL;
2838		return false;
2839	}
2840	if (!amdgpu_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2841		return false;
2842	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2843		return false;
2844	/* pick pll */
2845	amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2846	/* if we can't get a PPLL for a non-DP encoder, fail */
2847	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2848	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2849		return false;
2850
2851	return true;
2852}
2853
2854static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2855				  struct drm_framebuffer *old_fb)
2856{
2857	return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2858}
2859
2860static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2861					 struct drm_framebuffer *fb,
2862					 int x, int y, enum mode_set_atomic state)
2863{
2864       return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2865}
2866
2867static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2868	.dpms = dce_v11_0_crtc_dpms,
2869	.mode_fixup = dce_v11_0_crtc_mode_fixup,
2870	.mode_set = dce_v11_0_crtc_mode_set,
2871	.mode_set_base = dce_v11_0_crtc_set_base,
2872	.mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2873	.prepare = dce_v11_0_crtc_prepare,
2874	.commit = dce_v11_0_crtc_commit,
2875	.load_lut = dce_v11_0_crtc_load_lut,
2876	.disable = dce_v11_0_crtc_disable,
2877};
2878
2879static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2880{
2881	struct amdgpu_crtc *amdgpu_crtc;
2882	int i;
2883
2884	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2885			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2886	if (amdgpu_crtc == NULL)
2887		return -ENOMEM;
2888
2889	drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2890
2891	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2892	amdgpu_crtc->crtc_id = index;
2893	adev->mode_info.crtcs[index] = amdgpu_crtc;
2894
2895	amdgpu_crtc->max_cursor_width = 128;
2896	amdgpu_crtc->max_cursor_height = 128;
2897	adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2898	adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2899
2900	for (i = 0; i < 256; i++) {
2901		amdgpu_crtc->lut_r[i] = i << 2;
2902		amdgpu_crtc->lut_g[i] = i << 2;
2903		amdgpu_crtc->lut_b[i] = i << 2;
2904	}
2905
2906	switch (amdgpu_crtc->crtc_id) {
2907	case 0:
2908	default:
2909		amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2910		break;
2911	case 1:
2912		amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2913		break;
2914	case 2:
2915		amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2916		break;
2917	case 3:
2918		amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2919		break;
2920	case 4:
2921		amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2922		break;
2923	case 5:
2924		amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2925		break;
2926	}
2927
2928	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2929	amdgpu_crtc->adjusted_clock = 0;
2930	amdgpu_crtc->encoder = NULL;
2931	amdgpu_crtc->connector = NULL;
2932	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2933
2934	return 0;
2935}
2936
2937static int dce_v11_0_early_init(void *handle)
2938{
2939	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2940
2941	adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2942	adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2943
2944	dce_v11_0_set_display_funcs(adev);
2945	dce_v11_0_set_irq_funcs(adev);
2946
 
 
2947	switch (adev->asic_type) {
2948	case CHIP_CARRIZO:
2949		adev->mode_info.num_crtc = 3;
2950		adev->mode_info.num_hpd = 6;
2951		adev->mode_info.num_dig = 9;
2952		break;
2953	case CHIP_STONEY:
2954		adev->mode_info.num_crtc = 2;
2955		adev->mode_info.num_hpd = 6;
2956		adev->mode_info.num_dig = 9;
2957		break;
 
 
 
 
 
 
 
 
 
2958	default:
2959		/* FIXME: not supported yet */
2960		return -EINVAL;
2961	}
2962
2963	return 0;
2964}
2965
2966static int dce_v11_0_sw_init(void *handle)
2967{
2968	int r, i;
2969	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2970
2971	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2972		r = amdgpu_irq_add_id(adev, i + 1, &adev->crtc_irq);
2973		if (r)
2974			return r;
2975	}
2976
2977	for (i = 8; i < 20; i += 2) {
2978		r = amdgpu_irq_add_id(adev, i, &adev->pageflip_irq);
2979		if (r)
2980			return r;
2981	}
2982
2983	/* HPD hotplug */
2984	r = amdgpu_irq_add_id(adev, 42, &adev->hpd_irq);
2985	if (r)
2986		return r;
2987
2988	adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2989
 
 
2990	adev->ddev->mode_config.max_width = 16384;
2991	adev->ddev->mode_config.max_height = 16384;
2992
2993	adev->ddev->mode_config.preferred_depth = 24;
2994	adev->ddev->mode_config.prefer_shadow = 1;
2995
2996	adev->ddev->mode_config.fb_base = adev->mc.aper_base;
2997
2998	r = amdgpu_modeset_create_props(adev);
2999	if (r)
3000		return r;
3001
3002	adev->ddev->mode_config.max_width = 16384;
3003	adev->ddev->mode_config.max_height = 16384;
3004
3005
3006	/* allocate crtcs */
3007	for (i = 0; i < adev->mode_info.num_crtc; i++) {
3008		r = dce_v11_0_crtc_init(adev, i);
3009		if (r)
3010			return r;
3011	}
3012
3013	if (amdgpu_atombios_get_connector_info_from_object_table(adev))
3014		amdgpu_print_display_setup(adev->ddev);
3015	else
3016		return -EINVAL;
3017
3018	/* setup afmt */
3019	r = dce_v11_0_afmt_init(adev);
3020	if (r)
3021		return r;
3022
3023	r = dce_v11_0_audio_init(adev);
3024	if (r)
3025		return r;
3026
3027	drm_kms_helper_poll_init(adev->ddev);
3028
3029	adev->mode_info.mode_config_initialized = true;
3030	return 0;
3031}
3032
3033static int dce_v11_0_sw_fini(void *handle)
3034{
3035	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3036
3037	kfree(adev->mode_info.bios_hardcoded_edid);
3038
3039	drm_kms_helper_poll_fini(adev->ddev);
3040
3041	dce_v11_0_audio_fini(adev);
3042
3043	dce_v11_0_afmt_fini(adev);
3044
 
3045	adev->mode_info.mode_config_initialized = false;
3046
3047	return 0;
3048}
3049
3050static int dce_v11_0_hw_init(void *handle)
3051{
3052	int i;
3053	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3054
3055	dce_v11_0_init_golden_registers(adev);
3056
3057	/* init dig PHYs, disp eng pll */
3058	amdgpu_atombios_crtc_powergate_init(adev);
3059	amdgpu_atombios_encoder_init_dig(adev);
3060	amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
 
 
 
 
 
 
 
 
 
3061
3062	/* initialize hpd */
3063	dce_v11_0_hpd_init(adev);
3064
3065	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3066		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3067	}
3068
3069	dce_v11_0_pageflip_interrupt_init(adev);
3070
3071	return 0;
3072}
3073
3074static int dce_v11_0_hw_fini(void *handle)
3075{
3076	int i;
3077	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3078
3079	dce_v11_0_hpd_fini(adev);
3080
3081	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3082		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3083	}
3084
3085	dce_v11_0_pageflip_interrupt_fini(adev);
3086
3087	return 0;
3088}
3089
3090static int dce_v11_0_suspend(void *handle)
3091{
3092	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3093
3094	amdgpu_atombios_scratch_regs_save(adev);
3095
3096	return dce_v11_0_hw_fini(handle);
3097}
3098
3099static int dce_v11_0_resume(void *handle)
3100{
3101	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3102	int ret;
3103
3104	ret = dce_v11_0_hw_init(handle);
3105
3106	amdgpu_atombios_scratch_regs_restore(adev);
3107
3108	/* turn on the BL */
3109	if (adev->mode_info.bl_encoder) {
3110		u8 bl_level = amdgpu_display_backlight_get_level(adev,
3111								  adev->mode_info.bl_encoder);
3112		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3113						    bl_level);
3114	}
3115
3116	return ret;
3117}
3118
3119static bool dce_v11_0_is_idle(void *handle)
3120{
3121	return true;
3122}
3123
3124static int dce_v11_0_wait_for_idle(void *handle)
3125{
3126	return 0;
3127}
3128
3129static void dce_v11_0_print_status(void *handle)
3130{
3131	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3132
3133	dev_info(adev->dev, "DCE 10.x registers\n");
3134	/* XXX todo */
3135}
3136
3137static int dce_v11_0_soft_reset(void *handle)
3138{
3139	u32 srbm_soft_reset = 0, tmp;
3140	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3141
3142	if (dce_v11_0_is_display_hung(adev))
3143		srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3144
3145	if (srbm_soft_reset) {
3146		dce_v11_0_print_status((void *)adev);
3147
3148		tmp = RREG32(mmSRBM_SOFT_RESET);
3149		tmp |= srbm_soft_reset;
3150		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3151		WREG32(mmSRBM_SOFT_RESET, tmp);
3152		tmp = RREG32(mmSRBM_SOFT_RESET);
3153
3154		udelay(50);
3155
3156		tmp &= ~srbm_soft_reset;
3157		WREG32(mmSRBM_SOFT_RESET, tmp);
3158		tmp = RREG32(mmSRBM_SOFT_RESET);
3159
3160		/* Wait a little for things to settle down */
3161		udelay(50);
3162		dce_v11_0_print_status((void *)adev);
3163	}
3164	return 0;
3165}
3166
3167static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3168						     int crtc,
3169						     enum amdgpu_interrupt_state state)
3170{
3171	u32 lb_interrupt_mask;
3172
3173	if (crtc >= adev->mode_info.num_crtc) {
3174		DRM_DEBUG("invalid crtc %d\n", crtc);
3175		return;
3176	}
3177
3178	switch (state) {
3179	case AMDGPU_IRQ_STATE_DISABLE:
3180		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3181		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3182						  VBLANK_INTERRUPT_MASK, 0);
3183		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3184		break;
3185	case AMDGPU_IRQ_STATE_ENABLE:
3186		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3187		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3188						  VBLANK_INTERRUPT_MASK, 1);
3189		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3190		break;
3191	default:
3192		break;
3193	}
3194}
3195
3196static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3197						    int crtc,
3198						    enum amdgpu_interrupt_state state)
3199{
3200	u32 lb_interrupt_mask;
3201
3202	if (crtc >= adev->mode_info.num_crtc) {
3203		DRM_DEBUG("invalid crtc %d\n", crtc);
3204		return;
3205	}
3206
3207	switch (state) {
3208	case AMDGPU_IRQ_STATE_DISABLE:
3209		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3210		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3211						  VLINE_INTERRUPT_MASK, 0);
3212		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3213		break;
3214	case AMDGPU_IRQ_STATE_ENABLE:
3215		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3216		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3217						  VLINE_INTERRUPT_MASK, 1);
3218		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3219		break;
3220	default:
3221		break;
3222	}
3223}
3224
3225static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3226					struct amdgpu_irq_src *source,
3227					unsigned hpd,
3228					enum amdgpu_interrupt_state state)
3229{
3230	u32 tmp;
3231
3232	if (hpd >= adev->mode_info.num_hpd) {
3233		DRM_DEBUG("invalid hdp %d\n", hpd);
3234		return 0;
3235	}
3236
3237	switch (state) {
3238	case AMDGPU_IRQ_STATE_DISABLE:
3239		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3240		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3241		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3242		break;
3243	case AMDGPU_IRQ_STATE_ENABLE:
3244		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3245		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3246		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3247		break;
3248	default:
3249		break;
3250	}
3251
3252	return 0;
3253}
3254
3255static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3256					struct amdgpu_irq_src *source,
3257					unsigned type,
3258					enum amdgpu_interrupt_state state)
3259{
3260	switch (type) {
3261	case AMDGPU_CRTC_IRQ_VBLANK1:
3262		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3263		break;
3264	case AMDGPU_CRTC_IRQ_VBLANK2:
3265		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3266		break;
3267	case AMDGPU_CRTC_IRQ_VBLANK3:
3268		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3269		break;
3270	case AMDGPU_CRTC_IRQ_VBLANK4:
3271		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3272		break;
3273	case AMDGPU_CRTC_IRQ_VBLANK5:
3274		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3275		break;
3276	case AMDGPU_CRTC_IRQ_VBLANK6:
3277		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3278		break;
3279	case AMDGPU_CRTC_IRQ_VLINE1:
3280		dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3281		break;
3282	case AMDGPU_CRTC_IRQ_VLINE2:
3283		dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3284		break;
3285	case AMDGPU_CRTC_IRQ_VLINE3:
3286		dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3287		break;
3288	case AMDGPU_CRTC_IRQ_VLINE4:
3289		dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3290		break;
3291	case AMDGPU_CRTC_IRQ_VLINE5:
3292		dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3293		break;
3294	 case AMDGPU_CRTC_IRQ_VLINE6:
3295		dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3296		break;
3297	default:
3298		break;
3299	}
3300	return 0;
3301}
3302
3303static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3304					    struct amdgpu_irq_src *src,
3305					    unsigned type,
3306					    enum amdgpu_interrupt_state state)
3307{
3308	u32 reg;
3309
3310	if (type >= adev->mode_info.num_crtc) {
3311		DRM_ERROR("invalid pageflip crtc %d\n", type);
3312		return -EINVAL;
3313	}
3314
3315	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3316	if (state == AMDGPU_IRQ_STATE_DISABLE)
3317		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3318		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3319	else
3320		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3321		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3322
3323	return 0;
3324}
3325
3326static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3327				  struct amdgpu_irq_src *source,
3328				  struct amdgpu_iv_entry *entry)
3329{
3330	unsigned long flags;
3331	unsigned crtc_id;
3332	struct amdgpu_crtc *amdgpu_crtc;
3333	struct amdgpu_flip_work *works;
3334
3335	crtc_id = (entry->src_id - 8) >> 1;
3336	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3337
3338	if (crtc_id >= adev->mode_info.num_crtc) {
3339		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3340		return -EINVAL;
3341	}
3342
3343	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3344	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3345		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3346		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3347
3348	/* IRQ could occur when in initial stage */
3349	if(amdgpu_crtc == NULL)
3350		return 0;
3351
3352	spin_lock_irqsave(&adev->ddev->event_lock, flags);
3353	works = amdgpu_crtc->pflip_works;
3354	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3355		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3356						 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3357						 amdgpu_crtc->pflip_status,
3358						 AMDGPU_FLIP_SUBMITTED);
3359		spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3360		return 0;
3361	}
3362
3363	/* page flip completed. clean up */
3364	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3365	amdgpu_crtc->pflip_works = NULL;
3366
3367	/* wakeup usersapce */
3368	if(works->event)
3369		drm_send_vblank_event(adev->ddev, crtc_id, works->event);
3370
3371	spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3372
3373	drm_vblank_put(adev->ddev, amdgpu_crtc->crtc_id);
3374	schedule_work(&works->unpin_work);
3375
3376	return 0;
3377}
3378
3379static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3380				  int hpd)
3381{
3382	u32 tmp;
3383
3384	if (hpd >= adev->mode_info.num_hpd) {
3385		DRM_DEBUG("invalid hdp %d\n", hpd);
3386		return;
3387	}
3388
3389	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3390	tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3391	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3392}
3393
3394static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3395					  int crtc)
3396{
3397	u32 tmp;
3398
3399	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3400		DRM_DEBUG("invalid crtc %d\n", crtc);
3401		return;
3402	}
3403
3404	tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3405	tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3406	WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3407}
3408
3409static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3410					 int crtc)
3411{
3412	u32 tmp;
3413
3414	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3415		DRM_DEBUG("invalid crtc %d\n", crtc);
3416		return;
3417	}
3418
3419	tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3420	tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3421	WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3422}
3423
3424static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3425				struct amdgpu_irq_src *source,
3426				struct amdgpu_iv_entry *entry)
3427{
3428	unsigned crtc = entry->src_id - 1;
3429	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3430	unsigned irq_type = amdgpu_crtc_idx_to_irq_type(adev, crtc);
3431
3432	switch (entry->src_data) {
3433	case 0: /* vblank */
3434		if (disp_int & interrupt_status_offsets[crtc].vblank)
3435			dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3436		else
3437			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3438
3439		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3440			drm_handle_vblank(adev->ddev, crtc);
3441		}
3442		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3443
3444		break;
3445	case 1: /* vline */
3446		if (disp_int & interrupt_status_offsets[crtc].vline)
3447			dce_v11_0_crtc_vline_int_ack(adev, crtc);
3448		else
3449			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3450
3451		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3452
3453		break;
3454	default:
3455		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3456		break;
3457	}
3458
3459	return 0;
3460}
3461
3462static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3463			     struct amdgpu_irq_src *source,
3464			     struct amdgpu_iv_entry *entry)
3465{
3466	uint32_t disp_int, mask;
3467	unsigned hpd;
3468
3469	if (entry->src_data >= adev->mode_info.num_hpd) {
3470		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3471		return 0;
3472	}
3473
3474	hpd = entry->src_data;
3475	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3476	mask = interrupt_status_offsets[hpd].hpd;
3477
3478	if (disp_int & mask) {
3479		dce_v11_0_hpd_int_ack(adev, hpd);
3480		schedule_work(&adev->hotplug_work);
3481		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3482	}
3483
3484	return 0;
3485}
3486
3487static int dce_v11_0_set_clockgating_state(void *handle,
3488					  enum amd_clockgating_state state)
3489{
3490	return 0;
3491}
3492
3493static int dce_v11_0_set_powergating_state(void *handle,
3494					  enum amd_powergating_state state)
3495{
3496	return 0;
3497}
3498
3499const struct amd_ip_funcs dce_v11_0_ip_funcs = {
 
3500	.early_init = dce_v11_0_early_init,
3501	.late_init = NULL,
3502	.sw_init = dce_v11_0_sw_init,
3503	.sw_fini = dce_v11_0_sw_fini,
3504	.hw_init = dce_v11_0_hw_init,
3505	.hw_fini = dce_v11_0_hw_fini,
3506	.suspend = dce_v11_0_suspend,
3507	.resume = dce_v11_0_resume,
3508	.is_idle = dce_v11_0_is_idle,
3509	.wait_for_idle = dce_v11_0_wait_for_idle,
3510	.soft_reset = dce_v11_0_soft_reset,
3511	.print_status = dce_v11_0_print_status,
3512	.set_clockgating_state = dce_v11_0_set_clockgating_state,
3513	.set_powergating_state = dce_v11_0_set_powergating_state,
3514};
3515
3516static void
3517dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3518			  struct drm_display_mode *mode,
3519			  struct drm_display_mode *adjusted_mode)
3520{
3521	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3522
3523	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3524
3525	/* need to call this here rather than in prepare() since we need some crtc info */
3526	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3527
3528	/* set scaler clears this on some chips */
3529	dce_v11_0_set_interleave(encoder->crtc, mode);
3530
3531	if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3532		dce_v11_0_afmt_enable(encoder, true);
3533		dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3534	}
3535}
3536
3537static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3538{
3539	struct amdgpu_device *adev = encoder->dev->dev_private;
3540	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3541	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3542
3543	if ((amdgpu_encoder->active_device &
3544	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3545	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3546	     ENCODER_OBJECT_ID_NONE)) {
3547		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3548		if (dig) {
3549			dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3550			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3551				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3552		}
3553	}
3554
3555	amdgpu_atombios_scratch_regs_lock(adev, true);
3556
3557	if (connector) {
3558		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3559
3560		/* select the clock/data port if it uses a router */
3561		if (amdgpu_connector->router.cd_valid)
3562			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3563
3564		/* turn eDP panel on for mode set */
3565		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3566			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3567							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3568	}
3569
3570	/* this is needed for the pll/ss setup to work correctly in some cases */
3571	amdgpu_atombios_encoder_set_crtc_source(encoder);
3572	/* set up the FMT blocks */
3573	dce_v11_0_program_fmt(encoder);
3574}
3575
3576static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3577{
3578	struct drm_device *dev = encoder->dev;
3579	struct amdgpu_device *adev = dev->dev_private;
3580
3581	/* need to call this here as we need the crtc set up */
3582	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3583	amdgpu_atombios_scratch_regs_lock(adev, false);
3584}
3585
3586static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3587{
3588	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3589	struct amdgpu_encoder_atom_dig *dig;
3590
3591	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3592
3593	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3594		if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3595			dce_v11_0_afmt_enable(encoder, false);
3596		dig = amdgpu_encoder->enc_priv;
3597		dig->dig_encoder = -1;
3598	}
3599	amdgpu_encoder->active_device = 0;
3600}
3601
3602/* these are handled by the primary encoders */
3603static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3604{
3605
3606}
3607
3608static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3609{
3610
3611}
3612
3613static void
3614dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3615		      struct drm_display_mode *mode,
3616		      struct drm_display_mode *adjusted_mode)
3617{
3618
3619}
3620
3621static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3622{
3623
3624}
3625
3626static void
3627dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3628{
3629
3630}
3631
3632static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3633	.dpms = dce_v11_0_ext_dpms,
3634	.prepare = dce_v11_0_ext_prepare,
3635	.mode_set = dce_v11_0_ext_mode_set,
3636	.commit = dce_v11_0_ext_commit,
3637	.disable = dce_v11_0_ext_disable,
3638	/* no detect for TMDS/LVDS yet */
3639};
3640
3641static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3642	.dpms = amdgpu_atombios_encoder_dpms,
3643	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3644	.prepare = dce_v11_0_encoder_prepare,
3645	.mode_set = dce_v11_0_encoder_mode_set,
3646	.commit = dce_v11_0_encoder_commit,
3647	.disable = dce_v11_0_encoder_disable,
3648	.detect = amdgpu_atombios_encoder_dig_detect,
3649};
3650
3651static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3652	.dpms = amdgpu_atombios_encoder_dpms,
3653	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3654	.prepare = dce_v11_0_encoder_prepare,
3655	.mode_set = dce_v11_0_encoder_mode_set,
3656	.commit = dce_v11_0_encoder_commit,
3657	.detect = amdgpu_atombios_encoder_dac_detect,
3658};
3659
3660static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3661{
3662	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3663	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3664		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3665	kfree(amdgpu_encoder->enc_priv);
3666	drm_encoder_cleanup(encoder);
3667	kfree(amdgpu_encoder);
3668}
3669
3670static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3671	.destroy = dce_v11_0_encoder_destroy,
3672};
3673
3674static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3675				 uint32_t encoder_enum,
3676				 uint32_t supported_device,
3677				 u16 caps)
3678{
3679	struct drm_device *dev = adev->ddev;
3680	struct drm_encoder *encoder;
3681	struct amdgpu_encoder *amdgpu_encoder;
3682
3683	/* see if we already added it */
3684	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3685		amdgpu_encoder = to_amdgpu_encoder(encoder);
3686		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3687			amdgpu_encoder->devices |= supported_device;
3688			return;
3689		}
3690
3691	}
3692
3693	/* add a new one */
3694	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3695	if (!amdgpu_encoder)
3696		return;
3697
3698	encoder = &amdgpu_encoder->base;
3699	switch (adev->mode_info.num_crtc) {
3700	case 1:
3701		encoder->possible_crtcs = 0x1;
3702		break;
3703	case 2:
3704	default:
3705		encoder->possible_crtcs = 0x3;
3706		break;
 
 
 
3707	case 4:
3708		encoder->possible_crtcs = 0xf;
3709		break;
 
 
 
3710	case 6:
3711		encoder->possible_crtcs = 0x3f;
3712		break;
3713	}
3714
3715	amdgpu_encoder->enc_priv = NULL;
3716
3717	amdgpu_encoder->encoder_enum = encoder_enum;
3718	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3719	amdgpu_encoder->devices = supported_device;
3720	amdgpu_encoder->rmx_type = RMX_OFF;
3721	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3722	amdgpu_encoder->is_ext_encoder = false;
3723	amdgpu_encoder->caps = caps;
3724
3725	switch (amdgpu_encoder->encoder_id) {
3726	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3727	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3728		drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3729				 DRM_MODE_ENCODER_DAC, NULL);
3730		drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3731		break;
3732	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3733	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3734	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3735	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3736	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3737		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3738			amdgpu_encoder->rmx_type = RMX_FULL;
3739			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3740					 DRM_MODE_ENCODER_LVDS, NULL);
3741			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3742		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3743			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3744					 DRM_MODE_ENCODER_DAC, NULL);
3745			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3746		} else {
3747			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3748					 DRM_MODE_ENCODER_TMDS, NULL);
3749			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3750		}
3751		drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3752		break;
3753	case ENCODER_OBJECT_ID_SI170B:
3754	case ENCODER_OBJECT_ID_CH7303:
3755	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3756	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3757	case ENCODER_OBJECT_ID_TITFP513:
3758	case ENCODER_OBJECT_ID_VT1623:
3759	case ENCODER_OBJECT_ID_HDMI_SI1930:
3760	case ENCODER_OBJECT_ID_TRAVIS:
3761	case ENCODER_OBJECT_ID_NUTMEG:
3762		/* these are handled by the primary encoders */
3763		amdgpu_encoder->is_ext_encoder = true;
3764		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3765			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3766					 DRM_MODE_ENCODER_LVDS, NULL);
3767		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3768			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3769					 DRM_MODE_ENCODER_DAC, NULL);
3770		else
3771			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3772					 DRM_MODE_ENCODER_TMDS, NULL);
3773		drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3774		break;
3775	}
3776}
3777
3778static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3779	.set_vga_render_state = &dce_v11_0_set_vga_render_state,
3780	.bandwidth_update = &dce_v11_0_bandwidth_update,
3781	.vblank_get_counter = &dce_v11_0_vblank_get_counter,
3782	.vblank_wait = &dce_v11_0_vblank_wait,
3783	.is_display_hung = &dce_v11_0_is_display_hung,
3784	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3785	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3786	.hpd_sense = &dce_v11_0_hpd_sense,
3787	.hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3788	.hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3789	.page_flip = &dce_v11_0_page_flip,
3790	.page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3791	.add_encoder = &dce_v11_0_encoder_add,
3792	.add_connector = &amdgpu_connector_add,
3793	.stop_mc_access = &dce_v11_0_stop_mc_access,
3794	.resume_mc_access = &dce_v11_0_resume_mc_access,
3795};
3796
3797static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3798{
3799	if (adev->mode_info.funcs == NULL)
3800		adev->mode_info.funcs = &dce_v11_0_display_funcs;
3801}
3802
3803static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3804	.set = dce_v11_0_set_crtc_irq_state,
3805	.process = dce_v11_0_crtc_irq,
3806};
3807
3808static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3809	.set = dce_v11_0_set_pageflip_irq_state,
3810	.process = dce_v11_0_pageflip_irq,
3811};
3812
3813static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3814	.set = dce_v11_0_set_hpd_irq_state,
3815	.process = dce_v11_0_hpd_irq,
3816};
3817
3818static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3819{
3820	adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_LAST;
3821	adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3822
3823	adev->pageflip_irq.num_types = AMDGPU_PAGEFLIP_IRQ_LAST;
3824	adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3825
3826	adev->hpd_irq.num_types = AMDGPU_HPD_LAST;
3827	adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3828}
v4.10.11
   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#include "drmP.h"
  24#include "amdgpu.h"
  25#include "amdgpu_pm.h"
  26#include "amdgpu_i2c.h"
  27#include "vid.h"
  28#include "atom.h"
  29#include "amdgpu_atombios.h"
  30#include "atombios_crtc.h"
  31#include "atombios_encoders.h"
  32#include "amdgpu_pll.h"
  33#include "amdgpu_connectors.h"
  34#include "dce_v11_0.h"
  35
  36#include "dce/dce_11_0_d.h"
  37#include "dce/dce_11_0_sh_mask.h"
  38#include "dce/dce_11_0_enum.h"
  39#include "oss/oss_3_0_d.h"
  40#include "oss/oss_3_0_sh_mask.h"
  41#include "gmc/gmc_8_1_d.h"
  42#include "gmc/gmc_8_1_sh_mask.h"
  43
  44static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
  45static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
  46
  47static const u32 crtc_offsets[] =
  48{
  49	CRTC0_REGISTER_OFFSET,
  50	CRTC1_REGISTER_OFFSET,
  51	CRTC2_REGISTER_OFFSET,
  52	CRTC3_REGISTER_OFFSET,
  53	CRTC4_REGISTER_OFFSET,
  54	CRTC5_REGISTER_OFFSET,
  55	CRTC6_REGISTER_OFFSET
  56};
  57
  58static const u32 hpd_offsets[] =
  59{
  60	HPD0_REGISTER_OFFSET,
  61	HPD1_REGISTER_OFFSET,
  62	HPD2_REGISTER_OFFSET,
  63	HPD3_REGISTER_OFFSET,
  64	HPD4_REGISTER_OFFSET,
  65	HPD5_REGISTER_OFFSET
  66};
  67
  68static const uint32_t dig_offsets[] = {
  69	DIG0_REGISTER_OFFSET,
  70	DIG1_REGISTER_OFFSET,
  71	DIG2_REGISTER_OFFSET,
  72	DIG3_REGISTER_OFFSET,
  73	DIG4_REGISTER_OFFSET,
  74	DIG5_REGISTER_OFFSET,
  75	DIG6_REGISTER_OFFSET,
  76	DIG7_REGISTER_OFFSET,
  77	DIG8_REGISTER_OFFSET
  78};
  79
  80static const struct {
  81	uint32_t        reg;
  82	uint32_t        vblank;
  83	uint32_t        vline;
  84	uint32_t        hpd;
  85
  86} interrupt_status_offsets[] = { {
  87	.reg = mmDISP_INTERRUPT_STATUS,
  88	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
  89	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
  90	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
  91}, {
  92	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
  93	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
  94	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
  95	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
  96}, {
  97	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
  98	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
  99	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
 100	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
 101}, {
 102	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
 103	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
 104	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
 105	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
 106}, {
 107	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
 108	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
 109	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
 110	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
 111}, {
 112	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
 113	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
 114	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
 115	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
 116} };
 117
 118static const u32 cz_golden_settings_a11[] =
 119{
 120	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
 121	mmFBC_MISC, 0x1f311fff, 0x14300000,
 122};
 123
 124static const u32 cz_mgcg_cgcg_init[] =
 125{
 126	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 127	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 128};
 129
 130static const u32 stoney_golden_settings_a11[] =
 131{
 132	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
 133	mmFBC_MISC, 0x1f311fff, 0x14302000,
 134};
 135
 136static const u32 polaris11_golden_settings_a11[] =
 137{
 138	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 139	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 140	mmFBC_DEBUG1, 0xffffffff, 0x00000008,
 141	mmFBC_MISC, 0x9f313fff, 0x14302008,
 142	mmHDMI_CONTROL, 0x313f031f, 0x00000011,
 143};
 144
 145static const u32 polaris10_golden_settings_a11[] =
 146{
 147	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 148	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 149	mmFBC_MISC, 0x9f313fff, 0x14302008,
 150	mmHDMI_CONTROL, 0x313f031f, 0x00000011,
 151};
 152
 153static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
 154{
 155	switch (adev->asic_type) {
 156	case CHIP_CARRIZO:
 157		amdgpu_program_register_sequence(adev,
 158						 cz_mgcg_cgcg_init,
 159						 (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init));
 160		amdgpu_program_register_sequence(adev,
 161						 cz_golden_settings_a11,
 162						 (const u32)ARRAY_SIZE(cz_golden_settings_a11));
 163		break;
 164	case CHIP_STONEY:
 165		amdgpu_program_register_sequence(adev,
 166						 stoney_golden_settings_a11,
 167						 (const u32)ARRAY_SIZE(stoney_golden_settings_a11));
 168		break;
 169	case CHIP_POLARIS11:
 170	case CHIP_POLARIS12:
 171		amdgpu_program_register_sequence(adev,
 172						 polaris11_golden_settings_a11,
 173						 (const u32)ARRAY_SIZE(polaris11_golden_settings_a11));
 174		break;
 175	case CHIP_POLARIS10:
 176		amdgpu_program_register_sequence(adev,
 177						 polaris10_golden_settings_a11,
 178						 (const u32)ARRAY_SIZE(polaris10_golden_settings_a11));
 179		break;
 180	default:
 181		break;
 182	}
 183}
 184
 185static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
 186				     u32 block_offset, u32 reg)
 187{
 188	unsigned long flags;
 189	u32 r;
 190
 191	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 192	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 193	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 194	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 195
 196	return r;
 197}
 198
 199static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
 200				      u32 block_offset, u32 reg, u32 v)
 201{
 202	unsigned long flags;
 203
 204	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 205	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 206	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 207	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 208}
 209
 210static bool dce_v11_0_is_in_vblank(struct amdgpu_device *adev, int crtc)
 211{
 212	if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) &
 213			CRTC_V_BLANK_START_END__CRTC_V_BLANK_START_MASK)
 214		return true;
 215	else
 216		return false;
 217}
 218
 219static bool dce_v11_0_is_counter_moving(struct amdgpu_device *adev, int crtc)
 220{
 221	u32 pos1, pos2;
 222
 223	pos1 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 224	pos2 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 225
 226	if (pos1 != pos2)
 227		return true;
 228	else
 229		return false;
 230}
 231
 232/**
 233 * dce_v11_0_vblank_wait - vblank wait asic callback.
 234 *
 235 * @adev: amdgpu_device pointer
 236 * @crtc: crtc to wait for vblank on
 237 *
 238 * Wait for vblank on the requested crtc (evergreen+).
 239 */
 240static void dce_v11_0_vblank_wait(struct amdgpu_device *adev, int crtc)
 241{
 242	unsigned i = 100;
 243
 244	if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
 245		return;
 246
 247	if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK))
 248		return;
 249
 250	/* depending on when we hit vblank, we may be close to active; if so,
 251	 * wait for another frame.
 252	 */
 253	while (dce_v11_0_is_in_vblank(adev, crtc)) {
 254		if (i++ == 100) {
 255			i = 0;
 256			if (!dce_v11_0_is_counter_moving(adev, crtc))
 257				break;
 258		}
 259	}
 260
 261	while (!dce_v11_0_is_in_vblank(adev, crtc)) {
 262		if (i++ == 100) {
 263			i = 0;
 264			if (!dce_v11_0_is_counter_moving(adev, crtc))
 265				break;
 266		}
 267	}
 268}
 269
 270static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 271{
 272	if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
 273		return 0;
 274	else
 275		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 276}
 277
 278static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 279{
 280	unsigned i;
 281
 282	/* Enable pflip interrupts */
 283	for (i = 0; i < adev->mode_info.num_crtc; i++)
 284		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 285}
 286
 287static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 288{
 289	unsigned i;
 290
 291	/* Disable pflip interrupts */
 292	for (i = 0; i < adev->mode_info.num_crtc; i++)
 293		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 294}
 295
 296/**
 297 * dce_v11_0_page_flip - pageflip callback.
 298 *
 299 * @adev: amdgpu_device pointer
 300 * @crtc_id: crtc to cleanup pageflip on
 301 * @crtc_base: new address of the crtc (GPU MC address)
 302 *
 303 * Triggers the actual pageflip by updating the primary
 304 * surface base address.
 305 */
 306static void dce_v11_0_page_flip(struct amdgpu_device *adev,
 307				int crtc_id, u64 crtc_base, bool async)
 308{
 309	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 310	u32 tmp;
 311
 312	/* flip immediate for async, default is vsync */
 313	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
 314	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
 315			    GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0);
 316	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 317	/* update the scanout addresses */
 318	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 319	       upper_32_bits(crtc_base));
 320	/* writing to the low address triggers the update */
 321	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 322	       lower_32_bits(crtc_base));
 323	/* post the write */
 324	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 325}
 326
 327static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 328					u32 *vbl, u32 *position)
 329{
 330	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 331		return -EINVAL;
 332
 333	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 334	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 335
 336	return 0;
 337}
 338
 339/**
 340 * dce_v11_0_hpd_sense - hpd sense callback.
 341 *
 342 * @adev: amdgpu_device pointer
 343 * @hpd: hpd (hotplug detect) pin
 344 *
 345 * Checks if a digital monitor is connected (evergreen+).
 346 * Returns true if connected, false if not connected.
 347 */
 348static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
 349			       enum amdgpu_hpd_id hpd)
 350{
 
 351	bool connected = false;
 352
 353	if (hpd >= adev->mode_info.num_hpd)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 354		return connected;
 
 355
 356	if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
 357	    DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
 358		connected = true;
 359
 360	return connected;
 361}
 362
 363/**
 364 * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
 365 *
 366 * @adev: amdgpu_device pointer
 367 * @hpd: hpd (hotplug detect) pin
 368 *
 369 * Set the polarity of the hpd pin (evergreen+).
 370 */
 371static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
 372				      enum amdgpu_hpd_id hpd)
 373{
 374	u32 tmp;
 375	bool connected = dce_v11_0_hpd_sense(adev, hpd);
 
 376
 377	if (hpd >= adev->mode_info.num_hpd)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 378		return;
 
 379
 380	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
 381	if (connected)
 382		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
 383	else
 384		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
 385	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
 386}
 387
 388/**
 389 * dce_v11_0_hpd_init - hpd setup callback.
 390 *
 391 * @adev: amdgpu_device pointer
 392 *
 393 * Setup the hpd pins used by the card (evergreen+).
 394 * Enable the pin, set the polarity, and enable the hpd interrupts.
 395 */
 396static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
 397{
 398	struct drm_device *dev = adev->ddev;
 399	struct drm_connector *connector;
 400	u32 tmp;
 
 401
 402	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 403		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 404
 405		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 406			continue;
 407
 408		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 409		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 410			/* don't try to enable hpd on eDP or LVDS avoid breaking the
 411			 * aux dp channel on imac and help (but not completely fix)
 412			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 413			 * also avoid interrupt storms during dpms.
 414			 */
 415			tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 416			tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
 417			WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 418			continue;
 419		}
 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, 1);
 423		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 424
 425		tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 426		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 427				    DC_HPD_CONNECT_INT_DELAY,
 428				    AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
 429		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 430				    DC_HPD_DISCONNECT_INT_DELAY,
 431				    AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
 432		WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 433
 434		dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 435		amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 436	}
 437}
 438
 439/**
 440 * dce_v11_0_hpd_fini - hpd tear down callback.
 441 *
 442 * @adev: amdgpu_device pointer
 443 *
 444 * Tear down the hpd pins used by the card (evergreen+).
 445 * Disable the hpd interrupts.
 446 */
 447static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
 448{
 449	struct drm_device *dev = adev->ddev;
 450	struct drm_connector *connector;
 451	u32 tmp;
 
 452
 453	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 454		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 455
 456		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 457			continue;
 
 458
 459		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 460		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
 461		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 462
 463		amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 464	}
 465}
 466
 467static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 468{
 469	return mmDC_GPIO_HPD_A;
 470}
 471
 472static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
 473{
 474	u32 crtc_hung = 0;
 475	u32 crtc_status[6];
 476	u32 i, j, tmp;
 477
 478	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 479		tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 480		if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
 481			crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 482			crtc_hung |= (1 << i);
 483		}
 484	}
 485
 486	for (j = 0; j < 10; j++) {
 487		for (i = 0; i < adev->mode_info.num_crtc; i++) {
 488			if (crtc_hung & (1 << i)) {
 489				tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 490				if (tmp != crtc_status[i])
 491					crtc_hung &= ~(1 << i);
 492			}
 493		}
 494		if (crtc_hung == 0)
 495			return false;
 496		udelay(100);
 497	}
 498
 499	return true;
 500}
 501
 502static void dce_v11_0_stop_mc_access(struct amdgpu_device *adev,
 503				     struct amdgpu_mode_mc_save *save)
 504{
 505	u32 crtc_enabled, tmp;
 506	int i;
 507
 508	save->vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
 509	save->vga_hdp_control = RREG32(mmVGA_HDP_CONTROL);
 510
 511	/* disable VGA render */
 512	tmp = RREG32(mmVGA_RENDER_CONTROL);
 513	tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 514	WREG32(mmVGA_RENDER_CONTROL, tmp);
 515
 516	/* blank the display controllers */
 517	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 518		crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
 519					     CRTC_CONTROL, CRTC_MASTER_EN);
 520		if (crtc_enabled) {
 521#if 1
 
 
 
 522			save->crtc_enabled[i] = true;
 523			tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
 524			if (REG_GET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN) == 0) {
 525				/*it is correct only for RGB ; black is 0*/
 526				WREG32(mmCRTC_BLANK_DATA_COLOR + crtc_offsets[i], 0);
 527				tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 1);
 528				WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 529			}
 530#else
 531			/* XXX this is a hack to avoid strange behavior with EFI on certain systems */
 532			WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 533			tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 534			tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
 535			WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 536			WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 537			save->crtc_enabled[i] = false;
 538			/* ***** */
 539#endif
 540		} else {
 541			save->crtc_enabled[i] = false;
 542		}
 543	}
 544}
 545
 546static void dce_v11_0_resume_mc_access(struct amdgpu_device *adev,
 547				       struct amdgpu_mode_mc_save *save)
 548{
 549	u32 tmp;
 550	int i;
 551
 552	/* update crtc base addresses */
 553	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 554		WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
 555		       upper_32_bits(adev->mc.vram_start));
 
 
 556		WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
 557		       (u32)adev->mc.vram_start);
 
 
 558
 559		if (save->crtc_enabled[i]) {
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 560			tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
 561			tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 0);
 
 562			WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
 
 
 
 
 
 
 
 
 563		}
 564	}
 565
 566	WREG32(mmVGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(adev->mc.vram_start));
 567	WREG32(mmVGA_MEMORY_BASE_ADDRESS, lower_32_bits(adev->mc.vram_start));
 568
 569	/* Unlock vga access */
 570	WREG32(mmVGA_HDP_CONTROL, save->vga_hdp_control);
 571	mdelay(1);
 572	WREG32(mmVGA_RENDER_CONTROL, save->vga_render_control);
 573}
 574
 575static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
 576					   bool render)
 577{
 578	u32 tmp;
 579
 580	/* Lockout access through VGA aperture*/
 581	tmp = RREG32(mmVGA_HDP_CONTROL);
 582	if (render)
 583		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
 584	else
 585		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
 586	WREG32(mmVGA_HDP_CONTROL, tmp);
 587
 588	/* disable VGA render */
 589	tmp = RREG32(mmVGA_RENDER_CONTROL);
 590	if (render)
 591		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
 592	else
 593		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 594	WREG32(mmVGA_RENDER_CONTROL, tmp);
 595}
 596
 597static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev)
 598{
 599	int num_crtc = 0;
 600
 601	switch (adev->asic_type) {
 602	case CHIP_CARRIZO:
 603		num_crtc = 3;
 604		break;
 605	case CHIP_STONEY:
 606		num_crtc = 2;
 607		break;
 608	case CHIP_POLARIS10:
 609		num_crtc = 6;
 610		break;
 611	case CHIP_POLARIS11:
 612	case CHIP_POLARIS12:
 613		num_crtc = 5;
 614		break;
 615	default:
 616		num_crtc = 0;
 617	}
 618	return num_crtc;
 619}
 620
 621void dce_v11_0_disable_dce(struct amdgpu_device *adev)
 622{
 623	/*Disable VGA render and enabled crtc, if has DCE engine*/
 624	if (amdgpu_atombios_has_dce_engine_info(adev)) {
 625		u32 tmp;
 626		int crtc_enabled, i;
 627
 628		dce_v11_0_set_vga_render_state(adev, false);
 629
 630		/*Disable crtc*/
 631		for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) {
 632			crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
 633									 CRTC_CONTROL, CRTC_MASTER_EN);
 634			if (crtc_enabled) {
 635				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 636				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 637				tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
 638				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 639				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 640			}
 641		}
 642	}
 643}
 644
 645static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
 646{
 647	struct drm_device *dev = encoder->dev;
 648	struct amdgpu_device *adev = dev->dev_private;
 649	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 650	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 651	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 652	int bpc = 0;
 653	u32 tmp = 0;
 654	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 655
 656	if (connector) {
 657		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 658		bpc = amdgpu_connector_get_monitor_bpc(connector);
 659		dither = amdgpu_connector->dither;
 660	}
 661
 662	/* LVDS/eDP FMT is set up by atom */
 663	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 664		return;
 665
 666	/* not needed for analog */
 667	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 668	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 669		return;
 670
 671	if (bpc == 0)
 672		return;
 673
 674	switch (bpc) {
 675	case 6:
 676		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 677			/* XXX sort out optimal dither settings */
 678			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 679			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 680			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 681			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
 682		} else {
 683			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 684			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
 685		}
 686		break;
 687	case 8:
 688		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 689			/* XXX sort out optimal dither settings */
 690			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 691			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 692			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 693			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 694			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
 695		} else {
 696			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 697			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
 698		}
 699		break;
 700	case 10:
 701		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 702			/* XXX sort out optimal dither settings */
 703			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 704			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 705			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 706			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 707			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
 708		} else {
 709			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 710			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
 711		}
 712		break;
 713	default:
 714		/* not needed */
 715		break;
 716	}
 717
 718	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 719}
 720
 721
 722/* display watermark setup */
 723/**
 724 * dce_v11_0_line_buffer_adjust - Set up the line buffer
 725 *
 726 * @adev: amdgpu_device pointer
 727 * @amdgpu_crtc: the selected display controller
 728 * @mode: the current display mode on the selected display
 729 * controller
 730 *
 731 * Setup up the line buffer allocation for
 732 * the selected display controller (CIK).
 733 * Returns the line buffer size in pixels.
 734 */
 735static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
 736				       struct amdgpu_crtc *amdgpu_crtc,
 737				       struct drm_display_mode *mode)
 738{
 739	u32 tmp, buffer_alloc, i, mem_cfg;
 740	u32 pipe_offset = amdgpu_crtc->crtc_id;
 741	/*
 742	 * Line Buffer Setup
 743	 * There are 6 line buffers, one for each display controllers.
 744	 * There are 3 partitions per LB. Select the number of partitions
 745	 * to enable based on the display width.  For display widths larger
 746	 * than 4096, you need use to use 2 display controllers and combine
 747	 * them using the stereo blender.
 748	 */
 749	if (amdgpu_crtc->base.enabled && mode) {
 750		if (mode->crtc_hdisplay < 1920) {
 751			mem_cfg = 1;
 752			buffer_alloc = 2;
 753		} else if (mode->crtc_hdisplay < 2560) {
 754			mem_cfg = 2;
 755			buffer_alloc = 2;
 756		} else if (mode->crtc_hdisplay < 4096) {
 757			mem_cfg = 0;
 758			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 759		} else {
 760			DRM_DEBUG_KMS("Mode too big for LB!\n");
 761			mem_cfg = 0;
 762			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 763		}
 764	} else {
 765		mem_cfg = 1;
 766		buffer_alloc = 0;
 767	}
 768
 769	tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
 770	tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
 771	WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
 772
 773	tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 774	tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
 775	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
 776
 777	for (i = 0; i < adev->usec_timeout; i++) {
 778		tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 779		if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
 780			break;
 781		udelay(1);
 782	}
 783
 784	if (amdgpu_crtc->base.enabled && mode) {
 785		switch (mem_cfg) {
 786		case 0:
 787		default:
 788			return 4096 * 2;
 789		case 1:
 790			return 1920 * 2;
 791		case 2:
 792			return 2560 * 2;
 793		}
 794	}
 795
 796	/* controller not enabled, so no lb used */
 797	return 0;
 798}
 799
 800/**
 801 * cik_get_number_of_dram_channels - get the number of dram channels
 802 *
 803 * @adev: amdgpu_device pointer
 804 *
 805 * Look up the number of video ram channels (CIK).
 806 * Used for display watermark bandwidth calculations
 807 * Returns the number of dram channels
 808 */
 809static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
 810{
 811	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 812
 813	switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
 814	case 0:
 815	default:
 816		return 1;
 817	case 1:
 818		return 2;
 819	case 2:
 820		return 4;
 821	case 3:
 822		return 8;
 823	case 4:
 824		return 3;
 825	case 5:
 826		return 6;
 827	case 6:
 828		return 10;
 829	case 7:
 830		return 12;
 831	case 8:
 832		return 16;
 833	}
 834}
 835
 836struct dce10_wm_params {
 837	u32 dram_channels; /* number of dram channels */
 838	u32 yclk;          /* bandwidth per dram data pin in kHz */
 839	u32 sclk;          /* engine clock in kHz */
 840	u32 disp_clk;      /* display clock in kHz */
 841	u32 src_width;     /* viewport width */
 842	u32 active_time;   /* active display time in ns */
 843	u32 blank_time;    /* blank time in ns */
 844	bool interlaced;    /* mode is interlaced */
 845	fixed20_12 vsc;    /* vertical scale ratio */
 846	u32 num_heads;     /* number of active crtcs */
 847	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 848	u32 lb_size;       /* line buffer allocated to pipe */
 849	u32 vtaps;         /* vertical scaler taps */
 850};
 851
 852/**
 853 * dce_v11_0_dram_bandwidth - get the dram bandwidth
 854 *
 855 * @wm: watermark calculation data
 856 *
 857 * Calculate the raw dram bandwidth (CIK).
 858 * Used for display watermark bandwidth calculations
 859 * Returns the dram bandwidth in MBytes/s
 860 */
 861static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
 862{
 863	/* Calculate raw DRAM Bandwidth */
 864	fixed20_12 dram_efficiency; /* 0.7 */
 865	fixed20_12 yclk, dram_channels, bandwidth;
 866	fixed20_12 a;
 867
 868	a.full = dfixed_const(1000);
 869	yclk.full = dfixed_const(wm->yclk);
 870	yclk.full = dfixed_div(yclk, a);
 871	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 872	a.full = dfixed_const(10);
 873	dram_efficiency.full = dfixed_const(7);
 874	dram_efficiency.full = dfixed_div(dram_efficiency, a);
 875	bandwidth.full = dfixed_mul(dram_channels, yclk);
 876	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 877
 878	return dfixed_trunc(bandwidth);
 879}
 880
 881/**
 882 * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
 883 *
 884 * @wm: watermark calculation data
 885 *
 886 * Calculate the dram bandwidth used for display (CIK).
 887 * Used for display watermark bandwidth calculations
 888 * Returns the dram bandwidth for display in MBytes/s
 889 */
 890static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 891{
 892	/* Calculate DRAM Bandwidth and the part allocated to display. */
 893	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 894	fixed20_12 yclk, dram_channels, bandwidth;
 895	fixed20_12 a;
 896
 897	a.full = dfixed_const(1000);
 898	yclk.full = dfixed_const(wm->yclk);
 899	yclk.full = dfixed_div(yclk, a);
 900	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 901	a.full = dfixed_const(10);
 902	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 903	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 904	bandwidth.full = dfixed_mul(dram_channels, yclk);
 905	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 906
 907	return dfixed_trunc(bandwidth);
 908}
 909
 910/**
 911 * dce_v11_0_data_return_bandwidth - get the data return bandwidth
 912 *
 913 * @wm: watermark calculation data
 914 *
 915 * Calculate the data return bandwidth used for display (CIK).
 916 * Used for display watermark bandwidth calculations
 917 * Returns the data return bandwidth in MBytes/s
 918 */
 919static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
 920{
 921	/* Calculate the display Data return Bandwidth */
 922	fixed20_12 return_efficiency; /* 0.8 */
 923	fixed20_12 sclk, bandwidth;
 924	fixed20_12 a;
 925
 926	a.full = dfixed_const(1000);
 927	sclk.full = dfixed_const(wm->sclk);
 928	sclk.full = dfixed_div(sclk, a);
 929	a.full = dfixed_const(10);
 930	return_efficiency.full = dfixed_const(8);
 931	return_efficiency.full = dfixed_div(return_efficiency, a);
 932	a.full = dfixed_const(32);
 933	bandwidth.full = dfixed_mul(a, sclk);
 934	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 935
 936	return dfixed_trunc(bandwidth);
 937}
 938
 939/**
 940 * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
 941 *
 942 * @wm: watermark calculation data
 943 *
 944 * Calculate the dmif bandwidth used for display (CIK).
 945 * Used for display watermark bandwidth calculations
 946 * Returns the dmif bandwidth in MBytes/s
 947 */
 948static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
 949{
 950	/* Calculate the DMIF Request Bandwidth */
 951	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
 952	fixed20_12 disp_clk, bandwidth;
 953	fixed20_12 a, b;
 954
 955	a.full = dfixed_const(1000);
 956	disp_clk.full = dfixed_const(wm->disp_clk);
 957	disp_clk.full = dfixed_div(disp_clk, a);
 958	a.full = dfixed_const(32);
 959	b.full = dfixed_mul(a, disp_clk);
 960
 961	a.full = dfixed_const(10);
 962	disp_clk_request_efficiency.full = dfixed_const(8);
 963	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
 964
 965	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
 966
 967	return dfixed_trunc(bandwidth);
 968}
 969
 970/**
 971 * dce_v11_0_available_bandwidth - get the min available bandwidth
 972 *
 973 * @wm: watermark calculation data
 974 *
 975 * Calculate the min available bandwidth used for display (CIK).
 976 * Used for display watermark bandwidth calculations
 977 * Returns the min available bandwidth in MBytes/s
 978 */
 979static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
 980{
 981	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
 982	u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
 983	u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
 984	u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
 985
 986	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
 987}
 988
 989/**
 990 * dce_v11_0_average_bandwidth - get the average available bandwidth
 991 *
 992 * @wm: watermark calculation data
 993 *
 994 * Calculate the average available bandwidth used for display (CIK).
 995 * Used for display watermark bandwidth calculations
 996 * Returns the average available bandwidth in MBytes/s
 997 */
 998static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
 999{
1000	/* Calculate the display mode Average Bandwidth
1001	 * DisplayMode should contain the source and destination dimensions,
1002	 * timing, etc.
1003	 */
1004	fixed20_12 bpp;
1005	fixed20_12 line_time;
1006	fixed20_12 src_width;
1007	fixed20_12 bandwidth;
1008	fixed20_12 a;
1009
1010	a.full = dfixed_const(1000);
1011	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
1012	line_time.full = dfixed_div(line_time, a);
1013	bpp.full = dfixed_const(wm->bytes_per_pixel);
1014	src_width.full = dfixed_const(wm->src_width);
1015	bandwidth.full = dfixed_mul(src_width, bpp);
1016	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
1017	bandwidth.full = dfixed_div(bandwidth, line_time);
1018
1019	return dfixed_trunc(bandwidth);
1020}
1021
1022/**
1023 * dce_v11_0_latency_watermark - get the latency watermark
1024 *
1025 * @wm: watermark calculation data
1026 *
1027 * Calculate the latency watermark (CIK).
1028 * Used for display watermark bandwidth calculations
1029 * Returns the latency watermark in ns
1030 */
1031static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
1032{
1033	/* First calculate the latency in ns */
1034	u32 mc_latency = 2000; /* 2000 ns. */
1035	u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
1036	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
1037	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
1038	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
1039	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
1040		(wm->num_heads * cursor_line_pair_return_time);
1041	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
1042	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
1043	u32 tmp, dmif_size = 12288;
1044	fixed20_12 a, b, c;
1045
1046	if (wm->num_heads == 0)
1047		return 0;
1048
1049	a.full = dfixed_const(2);
1050	b.full = dfixed_const(1);
1051	if ((wm->vsc.full > a.full) ||
1052	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
1053	    (wm->vtaps >= 5) ||
1054	    ((wm->vsc.full >= a.full) && wm->interlaced))
1055		max_src_lines_per_dst_line = 4;
1056	else
1057		max_src_lines_per_dst_line = 2;
1058
1059	a.full = dfixed_const(available_bandwidth);
1060	b.full = dfixed_const(wm->num_heads);
1061	a.full = dfixed_div(a, b);
1062
1063	b.full = dfixed_const(mc_latency + 512);
1064	c.full = dfixed_const(wm->disp_clk);
1065	b.full = dfixed_div(b, c);
1066
1067	c.full = dfixed_const(dmif_size);
1068	b.full = dfixed_div(c, b);
1069
1070	tmp = min(dfixed_trunc(a), dfixed_trunc(b));
1071
1072	b.full = dfixed_const(1000);
1073	c.full = dfixed_const(wm->disp_clk);
1074	b.full = dfixed_div(c, b);
1075	c.full = dfixed_const(wm->bytes_per_pixel);
1076	b.full = dfixed_mul(b, c);
1077
1078	lb_fill_bw = min(tmp, dfixed_trunc(b));
1079
1080	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
1081	b.full = dfixed_const(1000);
1082	c.full = dfixed_const(lb_fill_bw);
1083	b.full = dfixed_div(c, b);
1084	a.full = dfixed_div(a, b);
1085	line_fill_time = dfixed_trunc(a);
1086
1087	if (line_fill_time < wm->active_time)
1088		return latency;
1089	else
1090		return latency + (line_fill_time - wm->active_time);
1091
1092}
1093
1094/**
1095 * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
1096 * average and available dram bandwidth
1097 *
1098 * @wm: watermark calculation data
1099 *
1100 * Check if the display average bandwidth fits in the display
1101 * dram bandwidth (CIK).
1102 * Used for display watermark bandwidth calculations
1103 * Returns true if the display fits, false if not.
1104 */
1105static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
1106{
1107	if (dce_v11_0_average_bandwidth(wm) <=
1108	    (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
1109		return true;
1110	else
1111		return false;
1112}
1113
1114/**
1115 * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
1116 * average and available bandwidth
1117 *
1118 * @wm: watermark calculation data
1119 *
1120 * Check if the display average bandwidth fits in the display
1121 * available bandwidth (CIK).
1122 * Used for display watermark bandwidth calculations
1123 * Returns true if the display fits, false if not.
1124 */
1125static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
1126{
1127	if (dce_v11_0_average_bandwidth(wm) <=
1128	    (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1129		return true;
1130	else
1131		return false;
1132}
1133
1134/**
1135 * dce_v11_0_check_latency_hiding - check latency hiding
1136 *
1137 * @wm: watermark calculation data
1138 *
1139 * Check latency hiding (CIK).
1140 * Used for display watermark bandwidth calculations
1141 * Returns true if the display fits, false if not.
1142 */
1143static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1144{
1145	u32 lb_partitions = wm->lb_size / wm->src_width;
1146	u32 line_time = wm->active_time + wm->blank_time;
1147	u32 latency_tolerant_lines;
1148	u32 latency_hiding;
1149	fixed20_12 a;
1150
1151	a.full = dfixed_const(1);
1152	if (wm->vsc.full > a.full)
1153		latency_tolerant_lines = 1;
1154	else {
1155		if (lb_partitions <= (wm->vtaps + 1))
1156			latency_tolerant_lines = 1;
1157		else
1158			latency_tolerant_lines = 2;
1159	}
1160
1161	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1162
1163	if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1164		return true;
1165	else
1166		return false;
1167}
1168
1169/**
1170 * dce_v11_0_program_watermarks - program display watermarks
1171 *
1172 * @adev: amdgpu_device pointer
1173 * @amdgpu_crtc: the selected display controller
1174 * @lb_size: line buffer size
1175 * @num_heads: number of display controllers in use
1176 *
1177 * Calculate and program the display watermarks for the
1178 * selected display controller (CIK).
1179 */
1180static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1181					struct amdgpu_crtc *amdgpu_crtc,
1182					u32 lb_size, u32 num_heads)
1183{
1184	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1185	struct dce10_wm_params wm_low, wm_high;
1186	u32 pixel_period;
1187	u32 line_time = 0;
1188	u32 latency_watermark_a = 0, latency_watermark_b = 0;
1189	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1190
1191	if (amdgpu_crtc->base.enabled && num_heads && mode) {
1192		pixel_period = 1000000 / (u32)mode->clock;
1193		line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
1194
1195		/* watermark for high clocks */
1196		if (adev->pm.dpm_enabled) {
1197			wm_high.yclk =
1198				amdgpu_dpm_get_mclk(adev, false) * 10;
1199			wm_high.sclk =
1200				amdgpu_dpm_get_sclk(adev, false) * 10;
1201		} else {
1202			wm_high.yclk = adev->pm.current_mclk * 10;
1203			wm_high.sclk = adev->pm.current_sclk * 10;
1204		}
1205
1206		wm_high.disp_clk = mode->clock;
1207		wm_high.src_width = mode->crtc_hdisplay;
1208		wm_high.active_time = mode->crtc_hdisplay * pixel_period;
1209		wm_high.blank_time = line_time - wm_high.active_time;
1210		wm_high.interlaced = false;
1211		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1212			wm_high.interlaced = true;
1213		wm_high.vsc = amdgpu_crtc->vsc;
1214		wm_high.vtaps = 1;
1215		if (amdgpu_crtc->rmx_type != RMX_OFF)
1216			wm_high.vtaps = 2;
1217		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1218		wm_high.lb_size = lb_size;
1219		wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1220		wm_high.num_heads = num_heads;
1221
1222		/* set for high clocks */
1223		latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535);
1224
1225		/* possibly force display priority to high */
1226		/* should really do this at mode validation time... */
1227		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1228		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1229		    !dce_v11_0_check_latency_hiding(&wm_high) ||
1230		    (adev->mode_info.disp_priority == 2)) {
1231			DRM_DEBUG_KMS("force priority to high\n");
1232		}
1233
1234		/* watermark for low clocks */
1235		if (adev->pm.dpm_enabled) {
1236			wm_low.yclk =
1237				amdgpu_dpm_get_mclk(adev, true) * 10;
1238			wm_low.sclk =
1239				amdgpu_dpm_get_sclk(adev, true) * 10;
1240		} else {
1241			wm_low.yclk = adev->pm.current_mclk * 10;
1242			wm_low.sclk = adev->pm.current_sclk * 10;
1243		}
1244
1245		wm_low.disp_clk = mode->clock;
1246		wm_low.src_width = mode->crtc_hdisplay;
1247		wm_low.active_time = mode->crtc_hdisplay * pixel_period;
1248		wm_low.blank_time = line_time - wm_low.active_time;
1249		wm_low.interlaced = false;
1250		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1251			wm_low.interlaced = true;
1252		wm_low.vsc = amdgpu_crtc->vsc;
1253		wm_low.vtaps = 1;
1254		if (amdgpu_crtc->rmx_type != RMX_OFF)
1255			wm_low.vtaps = 2;
1256		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1257		wm_low.lb_size = lb_size;
1258		wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1259		wm_low.num_heads = num_heads;
1260
1261		/* set for low clocks */
1262		latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535);
1263
1264		/* possibly force display priority to high */
1265		/* should really do this at mode validation time... */
1266		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1267		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1268		    !dce_v11_0_check_latency_hiding(&wm_low) ||
1269		    (adev->mode_info.disp_priority == 2)) {
1270			DRM_DEBUG_KMS("force priority to high\n");
1271		}
1272		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1273	}
1274
1275	/* select wm A */
1276	wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1277	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1278	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1279	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1280	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1281	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1282	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1283	/* select wm B */
1284	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1285	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1286	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1287	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1288	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1289	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1290	/* restore original selection */
1291	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1292
1293	/* save values for DPM */
1294	amdgpu_crtc->line_time = line_time;
1295	amdgpu_crtc->wm_high = latency_watermark_a;
1296	amdgpu_crtc->wm_low = latency_watermark_b;
1297	/* Save number of lines the linebuffer leads before the scanout */
1298	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1299}
1300
1301/**
1302 * dce_v11_0_bandwidth_update - program display watermarks
1303 *
1304 * @adev: amdgpu_device pointer
1305 *
1306 * Calculate and program the display watermarks and line
1307 * buffer allocation (CIK).
1308 */
1309static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1310{
1311	struct drm_display_mode *mode = NULL;
1312	u32 num_heads = 0, lb_size;
1313	int i;
1314
1315	amdgpu_update_display_priority(adev);
1316
1317	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1318		if (adev->mode_info.crtcs[i]->base.enabled)
1319			num_heads++;
1320	}
1321	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1322		mode = &adev->mode_info.crtcs[i]->base.mode;
1323		lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1324		dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1325					    lb_size, num_heads);
1326	}
1327}
1328
1329static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1330{
1331	int i;
1332	u32 offset, tmp;
1333
1334	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1335		offset = adev->mode_info.audio.pin[i].offset;
1336		tmp = RREG32_AUDIO_ENDPT(offset,
1337					 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1338		if (((tmp &
1339		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1340		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1341			adev->mode_info.audio.pin[i].connected = false;
1342		else
1343			adev->mode_info.audio.pin[i].connected = true;
1344	}
1345}
1346
1347static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1348{
1349	int i;
1350
1351	dce_v11_0_audio_get_connected_pins(adev);
1352
1353	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1354		if (adev->mode_info.audio.pin[i].connected)
1355			return &adev->mode_info.audio.pin[i];
1356	}
1357	DRM_ERROR("No connected audio pins found!\n");
1358	return NULL;
1359}
1360
1361static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1362{
1363	struct amdgpu_device *adev = encoder->dev->dev_private;
1364	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1365	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1366	u32 tmp;
1367
1368	if (!dig || !dig->afmt || !dig->afmt->pin)
1369		return;
1370
1371	tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1372	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1373	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1374}
1375
1376static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1377						struct drm_display_mode *mode)
1378{
1379	struct amdgpu_device *adev = encoder->dev->dev_private;
1380	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1381	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1382	struct drm_connector *connector;
1383	struct amdgpu_connector *amdgpu_connector = NULL;
1384	u32 tmp;
1385	int interlace = 0;
1386
1387	if (!dig || !dig->afmt || !dig->afmt->pin)
1388		return;
1389
1390	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1391		if (connector->encoder == encoder) {
1392			amdgpu_connector = to_amdgpu_connector(connector);
1393			break;
1394		}
1395	}
1396
1397	if (!amdgpu_connector) {
1398		DRM_ERROR("Couldn't find encoder's connector\n");
1399		return;
1400	}
1401
1402	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1403		interlace = 1;
1404	if (connector->latency_present[interlace]) {
1405		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1406				    VIDEO_LIPSYNC, connector->video_latency[interlace]);
1407		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1408				    AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1409	} else {
1410		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1411				    VIDEO_LIPSYNC, 0);
1412		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1413				    AUDIO_LIPSYNC, 0);
1414	}
1415	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1416			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1417}
1418
1419static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1420{
1421	struct amdgpu_device *adev = encoder->dev->dev_private;
1422	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1423	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1424	struct drm_connector *connector;
1425	struct amdgpu_connector *amdgpu_connector = NULL;
1426	u32 tmp;
1427	u8 *sadb = NULL;
1428	int sad_count;
1429
1430	if (!dig || !dig->afmt || !dig->afmt->pin)
1431		return;
1432
1433	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1434		if (connector->encoder == encoder) {
1435			amdgpu_connector = to_amdgpu_connector(connector);
1436			break;
1437		}
1438	}
1439
1440	if (!amdgpu_connector) {
1441		DRM_ERROR("Couldn't find encoder's connector\n");
1442		return;
1443	}
1444
1445	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1446	if (sad_count < 0) {
1447		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1448		sad_count = 0;
1449	}
1450
1451	/* program the speaker allocation */
1452	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1453				 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1454	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1455			    DP_CONNECTION, 0);
1456	/* set HDMI mode */
1457	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1458			    HDMI_CONNECTION, 1);
1459	if (sad_count)
1460		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1461				    SPEAKER_ALLOCATION, sadb[0]);
1462	else
1463		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1464				    SPEAKER_ALLOCATION, 5); /* stereo */
1465	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1466			   ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1467
1468	kfree(sadb);
1469}
1470
1471static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1472{
1473	struct amdgpu_device *adev = encoder->dev->dev_private;
1474	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1475	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1476	struct drm_connector *connector;
1477	struct amdgpu_connector *amdgpu_connector = NULL;
1478	struct cea_sad *sads;
1479	int i, sad_count;
1480
1481	static const u16 eld_reg_to_type[][2] = {
1482		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1483		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1484		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1485		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1486		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1487		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1488		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1489		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1490		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1491		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1492		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1493		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1494	};
1495
1496	if (!dig || !dig->afmt || !dig->afmt->pin)
1497		return;
1498
1499	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1500		if (connector->encoder == encoder) {
1501			amdgpu_connector = to_amdgpu_connector(connector);
1502			break;
1503		}
1504	}
1505
1506	if (!amdgpu_connector) {
1507		DRM_ERROR("Couldn't find encoder's connector\n");
1508		return;
1509	}
1510
1511	sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1512	if (sad_count <= 0) {
1513		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1514		return;
1515	}
1516	BUG_ON(!sads);
1517
1518	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1519		u32 tmp = 0;
1520		u8 stereo_freqs = 0;
1521		int max_channels = -1;
1522		int j;
1523
1524		for (j = 0; j < sad_count; j++) {
1525			struct cea_sad *sad = &sads[j];
1526
1527			if (sad->format == eld_reg_to_type[i][1]) {
1528				if (sad->channels > max_channels) {
1529					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1530							    MAX_CHANNELS, sad->channels);
1531					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1532							    DESCRIPTOR_BYTE_2, sad->byte2);
1533					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1534							    SUPPORTED_FREQUENCIES, sad->freq);
1535					max_channels = sad->channels;
1536				}
1537
1538				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1539					stereo_freqs |= sad->freq;
1540				else
1541					break;
1542			}
1543		}
1544
1545		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1546				    SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1547		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1548	}
1549
1550	kfree(sads);
1551}
1552
1553static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1554				  struct amdgpu_audio_pin *pin,
1555				  bool enable)
1556{
1557	if (!pin)
1558		return;
1559
1560	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1561			   enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1562}
1563
1564static const u32 pin_offsets[] =
1565{
1566	AUD0_REGISTER_OFFSET,
1567	AUD1_REGISTER_OFFSET,
1568	AUD2_REGISTER_OFFSET,
1569	AUD3_REGISTER_OFFSET,
1570	AUD4_REGISTER_OFFSET,
1571	AUD5_REGISTER_OFFSET,
1572	AUD6_REGISTER_OFFSET,
1573	AUD7_REGISTER_OFFSET,
1574};
1575
1576static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1577{
1578	int i;
1579
1580	if (!amdgpu_audio)
1581		return 0;
1582
1583	adev->mode_info.audio.enabled = true;
1584
1585	switch (adev->asic_type) {
1586	case CHIP_CARRIZO:
1587	case CHIP_STONEY:
1588		adev->mode_info.audio.num_pins = 7;
1589		break;
1590	case CHIP_POLARIS10:
1591		adev->mode_info.audio.num_pins = 8;
1592		break;
1593	case CHIP_POLARIS11:
1594	case CHIP_POLARIS12:
1595		adev->mode_info.audio.num_pins = 6;
1596		break;
1597	default:
1598		return -EINVAL;
1599	}
1600
1601	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1602		adev->mode_info.audio.pin[i].channels = -1;
1603		adev->mode_info.audio.pin[i].rate = -1;
1604		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1605		adev->mode_info.audio.pin[i].status_bits = 0;
1606		adev->mode_info.audio.pin[i].category_code = 0;
1607		adev->mode_info.audio.pin[i].connected = false;
1608		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1609		adev->mode_info.audio.pin[i].id = i;
1610		/* disable audio.  it will be set up later */
1611		/* XXX remove once we switch to ip funcs */
1612		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1613	}
1614
1615	return 0;
1616}
1617
1618static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1619{
1620	int i;
1621
1622	if (!amdgpu_audio)
1623		return;
1624
1625	if (!adev->mode_info.audio.enabled)
1626		return;
1627
1628	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1629		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1630
1631	adev->mode_info.audio.enabled = false;
1632}
1633
1634/*
1635 * update the N and CTS parameters for a given pixel clock rate
1636 */
1637static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1638{
1639	struct drm_device *dev = encoder->dev;
1640	struct amdgpu_device *adev = dev->dev_private;
1641	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1642	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1643	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1644	u32 tmp;
1645
1646	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1647	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1648	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1649	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1650	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1651	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1652
1653	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1654	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1655	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1656	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1657	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1658	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1659
1660	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1661	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1662	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1663	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1664	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1665	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1666
1667}
1668
1669/*
1670 * build a HDMI Video Info Frame
1671 */
1672static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1673					       void *buffer, size_t size)
1674{
1675	struct drm_device *dev = encoder->dev;
1676	struct amdgpu_device *adev = dev->dev_private;
1677	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1678	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1679	uint8_t *frame = buffer + 3;
1680	uint8_t *header = buffer;
1681
1682	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1683		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1684	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1685		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1686	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1687		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1688	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1689		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1690}
1691
1692static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1693{
1694	struct drm_device *dev = encoder->dev;
1695	struct amdgpu_device *adev = dev->dev_private;
1696	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1697	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1698	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1699	u32 dto_phase = 24 * 1000;
1700	u32 dto_modulo = clock;
1701	u32 tmp;
1702
1703	if (!dig || !dig->afmt)
1704		return;
1705
1706	/* XXX two dtos; generally use dto0 for hdmi */
1707	/* Express [24MHz / target pixel clock] as an exact rational
1708	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1709	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1710	 */
1711	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1712	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1713			    amdgpu_crtc->crtc_id);
1714	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1715	WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1716	WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1717}
1718
1719/*
1720 * update the info frames with the data from the current display mode
1721 */
1722static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1723				  struct drm_display_mode *mode)
1724{
1725	struct drm_device *dev = encoder->dev;
1726	struct amdgpu_device *adev = dev->dev_private;
1727	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1728	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1729	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1730	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1731	struct hdmi_avi_infoframe frame;
1732	ssize_t err;
1733	u32 tmp;
1734	int bpc = 8;
1735
1736	if (!dig || !dig->afmt)
1737		return;
1738
1739	/* Silent, r600_hdmi_enable will raise WARN for us */
1740	if (!dig->afmt->enabled)
1741		return;
1742
1743	/* hdmi deep color mode general control packets setup, if bpc > 8 */
1744	if (encoder->crtc) {
1745		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1746		bpc = amdgpu_crtc->bpc;
1747	}
1748
1749	/* disable audio prior to setting up hw */
1750	dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1751	dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1752
1753	dce_v11_0_audio_set_dto(encoder, mode->clock);
1754
1755	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1756	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1757	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1758
1759	WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1760
1761	tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1762	switch (bpc) {
1763	case 0:
1764	case 6:
1765	case 8:
1766	case 16:
1767	default:
1768		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1769		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1770		DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1771			  connector->name, bpc);
1772		break;
1773	case 10:
1774		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1775		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1776		DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1777			  connector->name);
1778		break;
1779	case 12:
1780		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1781		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1782		DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1783			  connector->name);
1784		break;
1785	}
1786	WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1787
1788	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1789	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1790	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1791	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1792	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1793
1794	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1795	/* enable audio info frames (frames won't be set until audio is enabled) */
1796	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1797	/* required for audio info values to be updated */
1798	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1799	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1800
1801	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1802	/* required for audio info values to be updated */
1803	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1804	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1805
1806	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1807	/* anything other than 0 */
1808	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1809	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1810
1811	WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1812
1813	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1814	/* set the default audio delay */
1815	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1816	/* should be suffient for all audio modes and small enough for all hblanks */
1817	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1818	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1819
1820	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1821	/* allow 60958 channel status fields to be updated */
1822	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1823	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1824
1825	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1826	if (bpc > 8)
1827		/* clear SW CTS value */
1828		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1829	else
1830		/* select SW CTS value */
1831		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1832	/* allow hw to sent ACR packets when required */
1833	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1834	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1835
1836	dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1837
1838	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1839	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1840	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1841
1842	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1843	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1844	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1845
1846	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1847	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1848	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1849	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1850	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1851	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1852	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1853	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1854
1855	dce_v11_0_audio_write_speaker_allocation(encoder);
1856
1857	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1858	       (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1859
1860	dce_v11_0_afmt_audio_select_pin(encoder);
1861	dce_v11_0_audio_write_sad_regs(encoder);
1862	dce_v11_0_audio_write_latency_fields(encoder, mode);
1863
1864	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
1865	if (err < 0) {
1866		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1867		return;
1868	}
1869
1870	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1871	if (err < 0) {
1872		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1873		return;
1874	}
1875
1876	dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1877
1878	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1879	/* enable AVI info frames */
1880	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1881	/* required for audio info values to be updated */
1882	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1883	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1884
1885	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1886	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1887	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1888
1889	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1890	/* send audio packets */
1891	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1892	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1893
1894	WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1895	WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1896	WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1897	WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1898
1899	/* enable audio after to setting up hw */
1900	dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1901}
1902
1903static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1904{
1905	struct drm_device *dev = encoder->dev;
1906	struct amdgpu_device *adev = dev->dev_private;
1907	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1908	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1909
1910	if (!dig || !dig->afmt)
1911		return;
1912
1913	/* Silent, r600_hdmi_enable will raise WARN for us */
1914	if (enable && dig->afmt->enabled)
1915		return;
1916	if (!enable && !dig->afmt->enabled)
1917		return;
1918
1919	if (!enable && dig->afmt->pin) {
1920		dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1921		dig->afmt->pin = NULL;
1922	}
1923
1924	dig->afmt->enabled = enable;
1925
1926	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1927		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1928}
1929
1930static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1931{
1932	int i;
1933
1934	for (i = 0; i < adev->mode_info.num_dig; i++)
1935		adev->mode_info.afmt[i] = NULL;
1936
1937	/* DCE11 has audio blocks tied to DIG encoders */
1938	for (i = 0; i < adev->mode_info.num_dig; i++) {
1939		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1940		if (adev->mode_info.afmt[i]) {
1941			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1942			adev->mode_info.afmt[i]->id = i;
1943		} else {
1944			int j;
1945			for (j = 0; j < i; j++) {
1946				kfree(adev->mode_info.afmt[j]);
1947				adev->mode_info.afmt[j] = NULL;
1948			}
1949			return -ENOMEM;
1950		}
1951	}
1952	return 0;
1953}
1954
1955static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1956{
1957	int i;
1958
1959	for (i = 0; i < adev->mode_info.num_dig; i++) {
1960		kfree(adev->mode_info.afmt[i]);
1961		adev->mode_info.afmt[i] = NULL;
1962	}
1963}
1964
1965static const u32 vga_control_regs[6] =
1966{
1967	mmD1VGA_CONTROL,
1968	mmD2VGA_CONTROL,
1969	mmD3VGA_CONTROL,
1970	mmD4VGA_CONTROL,
1971	mmD5VGA_CONTROL,
1972	mmD6VGA_CONTROL,
1973};
1974
1975static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
1976{
1977	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1978	struct drm_device *dev = crtc->dev;
1979	struct amdgpu_device *adev = dev->dev_private;
1980	u32 vga_control;
1981
1982	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1983	if (enable)
1984		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1985	else
1986		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1987}
1988
1989static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
1990{
1991	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1992	struct drm_device *dev = crtc->dev;
1993	struct amdgpu_device *adev = dev->dev_private;
1994
1995	if (enable)
1996		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1997	else
1998		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1999}
2000
2001static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
2002				     struct drm_framebuffer *fb,
2003				     int x, int y, int atomic)
2004{
2005	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2006	struct drm_device *dev = crtc->dev;
2007	struct amdgpu_device *adev = dev->dev_private;
2008	struct amdgpu_framebuffer *amdgpu_fb;
2009	struct drm_framebuffer *target_fb;
2010	struct drm_gem_object *obj;
2011	struct amdgpu_bo *abo;
2012	uint64_t fb_location, tiling_flags;
2013	uint32_t fb_format, fb_pitch_pixels;
2014	u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
2015	u32 pipe_config;
2016	u32 tmp, viewport_w, viewport_h;
2017	int r;
2018	bool bypass_lut = false;
2019	struct drm_format_name_buf format_name;
2020
2021	/* no fb bound */
2022	if (!atomic && !crtc->primary->fb) {
2023		DRM_DEBUG_KMS("No FB bound\n");
2024		return 0;
2025	}
2026
2027	if (atomic) {
2028		amdgpu_fb = to_amdgpu_framebuffer(fb);
2029		target_fb = fb;
2030	} else {
2031		amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2032		target_fb = crtc->primary->fb;
2033	}
2034
2035	/* If atomic, assume fb object is pinned & idle & fenced and
2036	 * just update base pointers
2037	 */
2038	obj = amdgpu_fb->obj;
2039	abo = gem_to_amdgpu_bo(obj);
2040	r = amdgpu_bo_reserve(abo, false);
2041	if (unlikely(r != 0))
2042		return r;
2043
2044	if (atomic) {
2045		fb_location = amdgpu_bo_gpu_offset(abo);
2046	} else {
2047		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location);
2048		if (unlikely(r != 0)) {
2049			amdgpu_bo_unreserve(abo);
2050			return -EINVAL;
2051		}
2052	}
2053
2054	amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
2055	amdgpu_bo_unreserve(abo);
2056
2057	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
2058
2059	switch (target_fb->pixel_format) {
2060	case DRM_FORMAT_C8:
2061		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
2062		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2063		break;
2064	case DRM_FORMAT_XRGB4444:
2065	case DRM_FORMAT_ARGB4444:
2066		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2067		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
2068#ifdef __BIG_ENDIAN
2069		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2070					ENDIAN_8IN16);
2071#endif
2072		break;
2073	case DRM_FORMAT_XRGB1555:
2074	case DRM_FORMAT_ARGB1555:
2075		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2076		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2077#ifdef __BIG_ENDIAN
2078		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2079					ENDIAN_8IN16);
2080#endif
2081		break;
2082	case DRM_FORMAT_BGRX5551:
2083	case DRM_FORMAT_BGRA5551:
2084		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2085		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
2086#ifdef __BIG_ENDIAN
2087		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2088					ENDIAN_8IN16);
2089#endif
2090		break;
2091	case DRM_FORMAT_RGB565:
2092		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2093		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2094#ifdef __BIG_ENDIAN
2095		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2096					ENDIAN_8IN16);
2097#endif
2098		break;
2099	case DRM_FORMAT_XRGB8888:
2100	case DRM_FORMAT_ARGB8888:
2101		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2102		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2103#ifdef __BIG_ENDIAN
2104		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2105					ENDIAN_8IN32);
2106#endif
2107		break;
2108	case DRM_FORMAT_XRGB2101010:
2109	case DRM_FORMAT_ARGB2101010:
2110		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2111		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2112#ifdef __BIG_ENDIAN
2113		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2114					ENDIAN_8IN32);
2115#endif
2116		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2117		bypass_lut = true;
2118		break;
2119	case DRM_FORMAT_BGRX1010102:
2120	case DRM_FORMAT_BGRA1010102:
2121		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2122		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2123#ifdef __BIG_ENDIAN
2124		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2125					ENDIAN_8IN32);
2126#endif
2127		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2128		bypass_lut = true;
2129		break;
2130	default:
2131		DRM_ERROR("Unsupported screen format %s\n",
2132		          drm_get_format_name(target_fb->pixel_format, &format_name));
2133		return -EINVAL;
2134	}
2135
2136	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2137		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2138
2139		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2140		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2141		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2142		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2143		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2144
2145		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2146		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2147					  ARRAY_2D_TILED_THIN1);
2148		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2149					  tile_split);
2150		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2151		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2152		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2153					  mtaspect);
2154		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2155					  ADDR_SURF_MICRO_TILING_DISPLAY);
2156	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2157		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2158					  ARRAY_1D_TILED_THIN1);
2159	}
2160
2161	fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2162				  pipe_config);
2163
2164	dce_v11_0_vga_enable(crtc, false);
2165
2166	/* Make sure surface address is updated at vertical blank rather than
2167	 * horizontal blank
2168	 */
2169	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2170	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2171			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2172	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2173
2174	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2175	       upper_32_bits(fb_location));
2176	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2177	       upper_32_bits(fb_location));
2178	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2179	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2180	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2181	       (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2182	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2183	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2184
2185	/*
2186	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2187	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2188	 * retain the full precision throughout the pipeline.
2189	 */
2190	tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2191	if (bypass_lut)
2192		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2193	else
2194		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2195	WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2196
2197	if (bypass_lut)
2198		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2199
2200	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2201	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2202	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2203	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2204	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2205	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2206
2207	fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
2208	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2209
2210	dce_v11_0_grph_enable(crtc, true);
2211
2212	WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2213	       target_fb->height);
2214
2215	x &= ~3;
2216	y &= ~1;
2217	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2218	       (x << 16) | y);
2219	viewport_w = crtc->mode.hdisplay;
2220	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2221	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2222	       (viewport_w << 16) | viewport_h);
2223
2224	/* set pageflip to happen anywhere in vblank interval */
2225	WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
 
 
 
 
 
 
 
2226
2227	if (!atomic && fb && fb != crtc->primary->fb) {
2228		amdgpu_fb = to_amdgpu_framebuffer(fb);
2229		abo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2230		r = amdgpu_bo_reserve(abo, false);
2231		if (unlikely(r != 0))
2232			return r;
2233		amdgpu_bo_unpin(abo);
2234		amdgpu_bo_unreserve(abo);
2235	}
2236
2237	/* Bytes per pixel may have changed */
2238	dce_v11_0_bandwidth_update(adev);
2239
2240	return 0;
2241}
2242
2243static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2244				     struct drm_display_mode *mode)
2245{
2246	struct drm_device *dev = crtc->dev;
2247	struct amdgpu_device *adev = dev->dev_private;
2248	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2249	u32 tmp;
2250
2251	tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2252	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2253		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2254	else
2255		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2256	WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2257}
2258
2259static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2260{
2261	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2262	struct drm_device *dev = crtc->dev;
2263	struct amdgpu_device *adev = dev->dev_private;
2264	int i;
2265	u32 tmp;
2266
2267	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2268
2269	tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2270	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2271	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2272
2273	tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2274	tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2275	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2276
2277	tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2278	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2279	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2280
2281	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2282
2283	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2284	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2285	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2286
2287	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2288	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2289	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2290
2291	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2292	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2293
2294	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2295	for (i = 0; i < 256; i++) {
2296		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2297		       (amdgpu_crtc->lut_r[i] << 20) |
2298		       (amdgpu_crtc->lut_g[i] << 10) |
2299		       (amdgpu_crtc->lut_b[i] << 0));
2300	}
2301
2302	tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2303	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2304	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2305	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2306	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2307
2308	tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2309	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2310	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2311
2312	tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2313	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2314	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2315
2316	tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2317	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2318	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2319
2320	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2321	WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2322	/* XXX this only needs to be programmed once per crtc at startup,
2323	 * not sure where the best place for it is
2324	 */
2325	tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2326	tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2327	WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2328}
2329
2330static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2331{
2332	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2333	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2334
2335	switch (amdgpu_encoder->encoder_id) {
2336	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2337		if (dig->linkb)
2338			return 1;
2339		else
2340			return 0;
2341		break;
2342	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2343		if (dig->linkb)
2344			return 3;
2345		else
2346			return 2;
2347		break;
2348	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2349		if (dig->linkb)
2350			return 5;
2351		else
2352			return 4;
2353		break;
2354	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2355		return 6;
2356		break;
2357	default:
2358		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2359		return 0;
2360	}
2361}
2362
2363/**
2364 * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2365 *
2366 * @crtc: drm crtc
2367 *
2368 * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2369 * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2370 * monitors a dedicated PPLL must be used.  If a particular board has
2371 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2372 * as there is no need to program the PLL itself.  If we are not able to
2373 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2374 * avoid messing up an existing monitor.
2375 *
2376 * Asic specific PLL information
2377 *
2378 * DCE 10.x
2379 * Tonga
2380 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2381 * CI
2382 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2383 *
2384 */
2385static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2386{
2387	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2388	struct drm_device *dev = crtc->dev;
2389	struct amdgpu_device *adev = dev->dev_private;
2390	u32 pll_in_use;
2391	int pll;
2392
2393	if ((adev->asic_type == CHIP_POLARIS10) ||
2394	    (adev->asic_type == CHIP_POLARIS11) ||
2395	    (adev->asic_type == CHIP_POLARIS12)) {
2396		struct amdgpu_encoder *amdgpu_encoder =
2397			to_amdgpu_encoder(amdgpu_crtc->encoder);
2398		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2399
2400		if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2401			return ATOM_DP_DTO;
2402
2403		switch (amdgpu_encoder->encoder_id) {
2404		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2405			if (dig->linkb)
2406				return ATOM_COMBOPHY_PLL1;
2407			else
2408				return ATOM_COMBOPHY_PLL0;
2409			break;
2410		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2411			if (dig->linkb)
2412				return ATOM_COMBOPHY_PLL3;
2413			else
2414				return ATOM_COMBOPHY_PLL2;
2415			break;
2416		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2417			if (dig->linkb)
2418				return ATOM_COMBOPHY_PLL5;
2419			else
2420				return ATOM_COMBOPHY_PLL4;
2421			break;
2422		default:
2423			DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2424			return ATOM_PPLL_INVALID;
2425		}
2426	}
2427
2428	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2429		if (adev->clock.dp_extclk)
2430			/* skip PPLL programming if using ext clock */
2431			return ATOM_PPLL_INVALID;
2432		else {
2433			/* use the same PPLL for all DP monitors */
2434			pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2435			if (pll != ATOM_PPLL_INVALID)
2436				return pll;
2437		}
2438	} else {
2439		/* use the same PPLL for all monitors with the same clock */
2440		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2441		if (pll != ATOM_PPLL_INVALID)
2442			return pll;
2443	}
2444
2445	/* XXX need to determine what plls are available on each DCE11 part */
2446	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2447	if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) {
2448		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2449			return ATOM_PPLL1;
2450		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2451			return ATOM_PPLL0;
2452		DRM_ERROR("unable to allocate a PPLL\n");
2453		return ATOM_PPLL_INVALID;
2454	} else {
2455		if (!(pll_in_use & (1 << ATOM_PPLL2)))
2456			return ATOM_PPLL2;
2457		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2458			return ATOM_PPLL1;
2459		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2460			return ATOM_PPLL0;
2461		DRM_ERROR("unable to allocate a PPLL\n");
2462		return ATOM_PPLL_INVALID;
2463	}
2464	return ATOM_PPLL_INVALID;
2465}
2466
2467static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2468{
2469	struct amdgpu_device *adev = crtc->dev->dev_private;
2470	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2471	uint32_t cur_lock;
2472
2473	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2474	if (lock)
2475		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2476	else
2477		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2478	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2479}
2480
2481static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2482{
2483	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2484	struct amdgpu_device *adev = crtc->dev->dev_private;
2485	u32 tmp;
2486
2487	tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2488	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2489	WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2490}
2491
2492static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2493{
2494	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2495	struct amdgpu_device *adev = crtc->dev->dev_private;
2496	u32 tmp;
2497
2498	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2499	       upper_32_bits(amdgpu_crtc->cursor_addr));
2500	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2501	       lower_32_bits(amdgpu_crtc->cursor_addr));
2502
2503	tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2504	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2505	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2506	WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2507}
2508
2509static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2510					int x, int y)
2511{
2512	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2513	struct amdgpu_device *adev = crtc->dev->dev_private;
2514	int xorigin = 0, yorigin = 0;
2515
2516	amdgpu_crtc->cursor_x = x;
2517	amdgpu_crtc->cursor_y = y;
2518
2519	/* avivo cursor are offset into the total surface */
2520	x += crtc->x;
2521	y += crtc->y;
2522	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2523
2524	if (x < 0) {
2525		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2526		x = 0;
2527	}
2528	if (y < 0) {
2529		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2530		y = 0;
2531	}
2532
2533	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2534	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2535	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2536	       ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2537
 
 
 
2538	return 0;
2539}
2540
2541static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2542				      int x, int y)
2543{
2544	int ret;
2545
2546	dce_v11_0_lock_cursor(crtc, true);
2547	ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2548	dce_v11_0_lock_cursor(crtc, false);
2549
2550	return ret;
2551}
2552
2553static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2554				      struct drm_file *file_priv,
2555				      uint32_t handle,
2556				      uint32_t width,
2557				      uint32_t height,
2558				      int32_t hot_x,
2559				      int32_t hot_y)
2560{
2561	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2562	struct drm_gem_object *obj;
2563	struct amdgpu_bo *aobj;
2564	int ret;
2565
2566	if (!handle) {
2567		/* turn off cursor */
2568		dce_v11_0_hide_cursor(crtc);
2569		obj = NULL;
2570		goto unpin;
2571	}
2572
2573	if ((width > amdgpu_crtc->max_cursor_width) ||
2574	    (height > amdgpu_crtc->max_cursor_height)) {
2575		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2576		return -EINVAL;
2577	}
2578
2579	obj = drm_gem_object_lookup(file_priv, handle);
2580	if (!obj) {
2581		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2582		return -ENOENT;
2583	}
2584
2585	aobj = gem_to_amdgpu_bo(obj);
2586	ret = amdgpu_bo_reserve(aobj, false);
2587	if (ret != 0) {
2588		drm_gem_object_unreference_unlocked(obj);
2589		return ret;
2590	}
2591
2592	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM, &amdgpu_crtc->cursor_addr);
2593	amdgpu_bo_unreserve(aobj);
2594	if (ret) {
2595		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2596		drm_gem_object_unreference_unlocked(obj);
2597		return ret;
2598	}
2599
 
 
 
2600	dce_v11_0_lock_cursor(crtc, true);
2601
2602	if (width != amdgpu_crtc->cursor_width ||
2603	    height != amdgpu_crtc->cursor_height ||
2604	    hot_x != amdgpu_crtc->cursor_hot_x ||
2605	    hot_y != amdgpu_crtc->cursor_hot_y) {
2606		int x, y;
2607
2608		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2609		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2610
2611		dce_v11_0_cursor_move_locked(crtc, x, y);
2612
2613		amdgpu_crtc->cursor_width = width;
2614		amdgpu_crtc->cursor_height = height;
2615		amdgpu_crtc->cursor_hot_x = hot_x;
2616		amdgpu_crtc->cursor_hot_y = hot_y;
2617	}
2618
2619	dce_v11_0_show_cursor(crtc);
2620	dce_v11_0_lock_cursor(crtc, false);
2621
2622unpin:
2623	if (amdgpu_crtc->cursor_bo) {
2624		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2625		ret = amdgpu_bo_reserve(aobj, false);
2626		if (likely(ret == 0)) {
2627			amdgpu_bo_unpin(aobj);
2628			amdgpu_bo_unreserve(aobj);
2629		}
2630		drm_gem_object_unreference_unlocked(amdgpu_crtc->cursor_bo);
2631	}
2632
2633	amdgpu_crtc->cursor_bo = obj;
2634	return 0;
2635}
2636
2637static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2638{
2639	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2640
2641	if (amdgpu_crtc->cursor_bo) {
2642		dce_v11_0_lock_cursor(crtc, true);
2643
2644		dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2645					     amdgpu_crtc->cursor_y);
2646
2647		dce_v11_0_show_cursor(crtc);
2648
2649		dce_v11_0_lock_cursor(crtc, false);
2650	}
2651}
2652
2653static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2654				    u16 *blue, uint32_t size)
2655{
2656	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2657	int i;
2658
2659	/* userspace palettes are always correct as is */
2660	for (i = 0; i < size; i++) {
2661		amdgpu_crtc->lut_r[i] = red[i] >> 6;
2662		amdgpu_crtc->lut_g[i] = green[i] >> 6;
2663		amdgpu_crtc->lut_b[i] = blue[i] >> 6;
2664	}
2665	dce_v11_0_crtc_load_lut(crtc);
2666
2667	return 0;
2668}
2669
2670static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2671{
2672	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2673
2674	drm_crtc_cleanup(crtc);
2675	kfree(amdgpu_crtc);
2676}
2677
2678static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2679	.cursor_set2 = dce_v11_0_crtc_cursor_set2,
2680	.cursor_move = dce_v11_0_crtc_cursor_move,
2681	.gamma_set = dce_v11_0_crtc_gamma_set,
2682	.set_config = amdgpu_crtc_set_config,
2683	.destroy = dce_v11_0_crtc_destroy,
2684	.page_flip_target = amdgpu_crtc_page_flip_target,
2685};
2686
2687static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2688{
2689	struct drm_device *dev = crtc->dev;
2690	struct amdgpu_device *adev = dev->dev_private;
2691	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2692	unsigned type;
2693
2694	switch (mode) {
2695	case DRM_MODE_DPMS_ON:
2696		amdgpu_crtc->enabled = true;
2697		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2698		dce_v11_0_vga_enable(crtc, true);
2699		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2700		dce_v11_0_vga_enable(crtc, false);
2701		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2702		type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id);
2703		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2704		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2705		drm_crtc_vblank_on(crtc);
2706		dce_v11_0_crtc_load_lut(crtc);
2707		break;
2708	case DRM_MODE_DPMS_STANDBY:
2709	case DRM_MODE_DPMS_SUSPEND:
2710	case DRM_MODE_DPMS_OFF:
2711		drm_crtc_vblank_off(crtc);
2712		if (amdgpu_crtc->enabled) {
2713			dce_v11_0_vga_enable(crtc, true);
2714			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2715			dce_v11_0_vga_enable(crtc, false);
2716		}
2717		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2718		amdgpu_crtc->enabled = false;
2719		break;
2720	}
2721	/* adjust pm to dpms */
2722	amdgpu_pm_compute_clocks(adev);
2723}
2724
2725static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2726{
2727	/* disable crtc pair power gating before programming */
2728	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2729	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2730	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2731}
2732
2733static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2734{
2735	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2736	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2737}
2738
2739static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2740{
2741	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2742	struct drm_device *dev = crtc->dev;
2743	struct amdgpu_device *adev = dev->dev_private;
2744	struct amdgpu_atom_ss ss;
2745	int i;
2746
2747	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2748	if (crtc->primary->fb) {
2749		int r;
2750		struct amdgpu_framebuffer *amdgpu_fb;
2751		struct amdgpu_bo *abo;
2752
2753		amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2754		abo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2755		r = amdgpu_bo_reserve(abo, false);
2756		if (unlikely(r))
2757			DRM_ERROR("failed to reserve abo before unpin\n");
2758		else {
2759			amdgpu_bo_unpin(abo);
2760			amdgpu_bo_unreserve(abo);
2761		}
2762	}
2763	/* disable the GRPH */
2764	dce_v11_0_grph_enable(crtc, false);
2765
2766	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2767
2768	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2769		if (adev->mode_info.crtcs[i] &&
2770		    adev->mode_info.crtcs[i]->enabled &&
2771		    i != amdgpu_crtc->crtc_id &&
2772		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2773			/* one other crtc is using this pll don't turn
2774			 * off the pll
2775			 */
2776			goto done;
2777		}
2778	}
2779
2780	switch (amdgpu_crtc->pll_id) {
2781	case ATOM_PPLL0:
2782	case ATOM_PPLL1:
2783	case ATOM_PPLL2:
2784		/* disable the ppll */
2785		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2786						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2787		break;
2788	case ATOM_COMBOPHY_PLL0:
2789	case ATOM_COMBOPHY_PLL1:
2790	case ATOM_COMBOPHY_PLL2:
2791	case ATOM_COMBOPHY_PLL3:
2792	case ATOM_COMBOPHY_PLL4:
2793	case ATOM_COMBOPHY_PLL5:
2794		/* disable the ppll */
2795		amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id,
2796						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2797		break;
2798	default:
2799		break;
2800	}
2801done:
2802	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2803	amdgpu_crtc->adjusted_clock = 0;
2804	amdgpu_crtc->encoder = NULL;
2805	amdgpu_crtc->connector = NULL;
2806}
2807
2808static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2809				  struct drm_display_mode *mode,
2810				  struct drm_display_mode *adjusted_mode,
2811				  int x, int y, struct drm_framebuffer *old_fb)
2812{
2813	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2814	struct drm_device *dev = crtc->dev;
2815	struct amdgpu_device *adev = dev->dev_private;
2816
2817	if (!amdgpu_crtc->adjusted_clock)
2818		return -EINVAL;
2819
2820	if ((adev->asic_type == CHIP_POLARIS10) ||
2821	    (adev->asic_type == CHIP_POLARIS11) ||
2822	    (adev->asic_type == CHIP_POLARIS12)) {
2823		struct amdgpu_encoder *amdgpu_encoder =
2824			to_amdgpu_encoder(amdgpu_crtc->encoder);
2825		int encoder_mode =
2826			amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder);
2827
2828		/* SetPixelClock calculates the plls and ss values now */
2829		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id,
2830						 amdgpu_crtc->pll_id,
2831						 encoder_mode, amdgpu_encoder->encoder_id,
2832						 adjusted_mode->clock, 0, 0, 0, 0,
2833						 amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss);
2834	} else {
2835		amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2836	}
2837	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2838	dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2839	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2840	amdgpu_atombios_crtc_scaler_setup(crtc);
2841	dce_v11_0_cursor_reset(crtc);
2842	/* update the hw version fpr dpm */
2843	amdgpu_crtc->hw_mode = *adjusted_mode;
2844
2845	return 0;
2846}
2847
2848static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2849				     const struct drm_display_mode *mode,
2850				     struct drm_display_mode *adjusted_mode)
2851{
2852	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2853	struct drm_device *dev = crtc->dev;
2854	struct drm_encoder *encoder;
2855
2856	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2857	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2858		if (encoder->crtc == crtc) {
2859			amdgpu_crtc->encoder = encoder;
2860			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2861			break;
2862		}
2863	}
2864	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2865		amdgpu_crtc->encoder = NULL;
2866		amdgpu_crtc->connector = NULL;
2867		return false;
2868	}
2869	if (!amdgpu_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2870		return false;
2871	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2872		return false;
2873	/* pick pll */
2874	amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2875	/* if we can't get a PPLL for a non-DP encoder, fail */
2876	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2877	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2878		return false;
2879
2880	return true;
2881}
2882
2883static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2884				  struct drm_framebuffer *old_fb)
2885{
2886	return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2887}
2888
2889static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2890					 struct drm_framebuffer *fb,
2891					 int x, int y, enum mode_set_atomic state)
2892{
2893       return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2894}
2895
2896static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2897	.dpms = dce_v11_0_crtc_dpms,
2898	.mode_fixup = dce_v11_0_crtc_mode_fixup,
2899	.mode_set = dce_v11_0_crtc_mode_set,
2900	.mode_set_base = dce_v11_0_crtc_set_base,
2901	.mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2902	.prepare = dce_v11_0_crtc_prepare,
2903	.commit = dce_v11_0_crtc_commit,
2904	.load_lut = dce_v11_0_crtc_load_lut,
2905	.disable = dce_v11_0_crtc_disable,
2906};
2907
2908static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2909{
2910	struct amdgpu_crtc *amdgpu_crtc;
2911	int i;
2912
2913	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2914			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2915	if (amdgpu_crtc == NULL)
2916		return -ENOMEM;
2917
2918	drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2919
2920	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2921	amdgpu_crtc->crtc_id = index;
2922	adev->mode_info.crtcs[index] = amdgpu_crtc;
2923
2924	amdgpu_crtc->max_cursor_width = 128;
2925	amdgpu_crtc->max_cursor_height = 128;
2926	adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2927	adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2928
2929	for (i = 0; i < 256; i++) {
2930		amdgpu_crtc->lut_r[i] = i << 2;
2931		amdgpu_crtc->lut_g[i] = i << 2;
2932		amdgpu_crtc->lut_b[i] = i << 2;
2933	}
2934
2935	switch (amdgpu_crtc->crtc_id) {
2936	case 0:
2937	default:
2938		amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2939		break;
2940	case 1:
2941		amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2942		break;
2943	case 2:
2944		amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2945		break;
2946	case 3:
2947		amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2948		break;
2949	case 4:
2950		amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2951		break;
2952	case 5:
2953		amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2954		break;
2955	}
2956
2957	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2958	amdgpu_crtc->adjusted_clock = 0;
2959	amdgpu_crtc->encoder = NULL;
2960	amdgpu_crtc->connector = NULL;
2961	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2962
2963	return 0;
2964}
2965
2966static int dce_v11_0_early_init(void *handle)
2967{
2968	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2969
2970	adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2971	adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2972
2973	dce_v11_0_set_display_funcs(adev);
2974	dce_v11_0_set_irq_funcs(adev);
2975
2976	adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev);
2977
2978	switch (adev->asic_type) {
2979	case CHIP_CARRIZO:
 
2980		adev->mode_info.num_hpd = 6;
2981		adev->mode_info.num_dig = 9;
2982		break;
2983	case CHIP_STONEY:
 
2984		adev->mode_info.num_hpd = 6;
2985		adev->mode_info.num_dig = 9;
2986		break;
2987	case CHIP_POLARIS10:
2988		adev->mode_info.num_hpd = 6;
2989		adev->mode_info.num_dig = 6;
2990		break;
2991	case CHIP_POLARIS11:
2992	case CHIP_POLARIS12:
2993		adev->mode_info.num_hpd = 5;
2994		adev->mode_info.num_dig = 5;
2995		break;
2996	default:
2997		/* FIXME: not supported yet */
2998		return -EINVAL;
2999	}
3000
3001	return 0;
3002}
3003
3004static int dce_v11_0_sw_init(void *handle)
3005{
3006	int r, i;
3007	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3008
3009	for (i = 0; i < adev->mode_info.num_crtc; i++) {
3010		r = amdgpu_irq_add_id(adev, i + 1, &adev->crtc_irq);
3011		if (r)
3012			return r;
3013	}
3014
3015	for (i = 8; i < 20; i += 2) {
3016		r = amdgpu_irq_add_id(adev, i, &adev->pageflip_irq);
3017		if (r)
3018			return r;
3019	}
3020
3021	/* HPD hotplug */
3022	r = amdgpu_irq_add_id(adev, 42, &adev->hpd_irq);
3023	if (r)
3024		return r;
3025
3026	adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
3027
3028	adev->ddev->mode_config.async_page_flip = true;
3029
3030	adev->ddev->mode_config.max_width = 16384;
3031	adev->ddev->mode_config.max_height = 16384;
3032
3033	adev->ddev->mode_config.preferred_depth = 24;
3034	adev->ddev->mode_config.prefer_shadow = 1;
3035
3036	adev->ddev->mode_config.fb_base = adev->mc.aper_base;
3037
3038	r = amdgpu_modeset_create_props(adev);
3039	if (r)
3040		return r;
3041
3042	adev->ddev->mode_config.max_width = 16384;
3043	adev->ddev->mode_config.max_height = 16384;
3044
3045
3046	/* allocate crtcs */
3047	for (i = 0; i < adev->mode_info.num_crtc; i++) {
3048		r = dce_v11_0_crtc_init(adev, i);
3049		if (r)
3050			return r;
3051	}
3052
3053	if (amdgpu_atombios_get_connector_info_from_object_table(adev))
3054		amdgpu_print_display_setup(adev->ddev);
3055	else
3056		return -EINVAL;
3057
3058	/* setup afmt */
3059	r = dce_v11_0_afmt_init(adev);
3060	if (r)
3061		return r;
3062
3063	r = dce_v11_0_audio_init(adev);
3064	if (r)
3065		return r;
3066
3067	drm_kms_helper_poll_init(adev->ddev);
3068
3069	adev->mode_info.mode_config_initialized = true;
3070	return 0;
3071}
3072
3073static int dce_v11_0_sw_fini(void *handle)
3074{
3075	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3076
3077	kfree(adev->mode_info.bios_hardcoded_edid);
3078
3079	drm_kms_helper_poll_fini(adev->ddev);
3080
3081	dce_v11_0_audio_fini(adev);
3082
3083	dce_v11_0_afmt_fini(adev);
3084
3085	drm_mode_config_cleanup(adev->ddev);
3086	adev->mode_info.mode_config_initialized = false;
3087
3088	return 0;
3089}
3090
3091static int dce_v11_0_hw_init(void *handle)
3092{
3093	int i;
3094	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3095
3096	dce_v11_0_init_golden_registers(adev);
3097
3098	/* init dig PHYs, disp eng pll */
3099	amdgpu_atombios_crtc_powergate_init(adev);
3100	amdgpu_atombios_encoder_init_dig(adev);
3101	if ((adev->asic_type == CHIP_POLARIS10) ||
3102	    (adev->asic_type == CHIP_POLARIS11) ||
3103	    (adev->asic_type == CHIP_POLARIS12)) {
3104		amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
3105						   DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
3106		amdgpu_atombios_crtc_set_dce_clock(adev, 0,
3107						   DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
3108	} else {
3109		amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3110	}
3111
3112	/* initialize hpd */
3113	dce_v11_0_hpd_init(adev);
3114
3115	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3116		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3117	}
3118
3119	dce_v11_0_pageflip_interrupt_init(adev);
3120
3121	return 0;
3122}
3123
3124static int dce_v11_0_hw_fini(void *handle)
3125{
3126	int i;
3127	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3128
3129	dce_v11_0_hpd_fini(adev);
3130
3131	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3132		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3133	}
3134
3135	dce_v11_0_pageflip_interrupt_fini(adev);
3136
3137	return 0;
3138}
3139
3140static int dce_v11_0_suspend(void *handle)
3141{
 
 
 
 
3142	return dce_v11_0_hw_fini(handle);
3143}
3144
3145static int dce_v11_0_resume(void *handle)
3146{
3147	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3148	int ret;
3149
3150	ret = dce_v11_0_hw_init(handle);
3151
 
 
3152	/* turn on the BL */
3153	if (adev->mode_info.bl_encoder) {
3154		u8 bl_level = amdgpu_display_backlight_get_level(adev,
3155								  adev->mode_info.bl_encoder);
3156		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3157						    bl_level);
3158	}
3159
3160	return ret;
3161}
3162
3163static bool dce_v11_0_is_idle(void *handle)
3164{
3165	return true;
3166}
3167
3168static int dce_v11_0_wait_for_idle(void *handle)
3169{
3170	return 0;
3171}
3172
 
 
 
 
 
 
 
 
3173static int dce_v11_0_soft_reset(void *handle)
3174{
3175	u32 srbm_soft_reset = 0, tmp;
3176	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3177
3178	if (dce_v11_0_is_display_hung(adev))
3179		srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3180
3181	if (srbm_soft_reset) {
 
 
3182		tmp = RREG32(mmSRBM_SOFT_RESET);
3183		tmp |= srbm_soft_reset;
3184		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3185		WREG32(mmSRBM_SOFT_RESET, tmp);
3186		tmp = RREG32(mmSRBM_SOFT_RESET);
3187
3188		udelay(50);
3189
3190		tmp &= ~srbm_soft_reset;
3191		WREG32(mmSRBM_SOFT_RESET, tmp);
3192		tmp = RREG32(mmSRBM_SOFT_RESET);
3193
3194		/* Wait a little for things to settle down */
3195		udelay(50);
 
3196	}
3197	return 0;
3198}
3199
3200static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3201						     int crtc,
3202						     enum amdgpu_interrupt_state state)
3203{
3204	u32 lb_interrupt_mask;
3205
3206	if (crtc >= adev->mode_info.num_crtc) {
3207		DRM_DEBUG("invalid crtc %d\n", crtc);
3208		return;
3209	}
3210
3211	switch (state) {
3212	case AMDGPU_IRQ_STATE_DISABLE:
3213		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3214		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3215						  VBLANK_INTERRUPT_MASK, 0);
3216		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3217		break;
3218	case AMDGPU_IRQ_STATE_ENABLE:
3219		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3220		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3221						  VBLANK_INTERRUPT_MASK, 1);
3222		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3223		break;
3224	default:
3225		break;
3226	}
3227}
3228
3229static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3230						    int crtc,
3231						    enum amdgpu_interrupt_state state)
3232{
3233	u32 lb_interrupt_mask;
3234
3235	if (crtc >= adev->mode_info.num_crtc) {
3236		DRM_DEBUG("invalid crtc %d\n", crtc);
3237		return;
3238	}
3239
3240	switch (state) {
3241	case AMDGPU_IRQ_STATE_DISABLE:
3242		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3243		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3244						  VLINE_INTERRUPT_MASK, 0);
3245		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3246		break;
3247	case AMDGPU_IRQ_STATE_ENABLE:
3248		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3249		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3250						  VLINE_INTERRUPT_MASK, 1);
3251		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3252		break;
3253	default:
3254		break;
3255	}
3256}
3257
3258static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3259					struct amdgpu_irq_src *source,
3260					unsigned hpd,
3261					enum amdgpu_interrupt_state state)
3262{
3263	u32 tmp;
3264
3265	if (hpd >= adev->mode_info.num_hpd) {
3266		DRM_DEBUG("invalid hdp %d\n", hpd);
3267		return 0;
3268	}
3269
3270	switch (state) {
3271	case AMDGPU_IRQ_STATE_DISABLE:
3272		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3273		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3274		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3275		break;
3276	case AMDGPU_IRQ_STATE_ENABLE:
3277		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3278		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3279		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3280		break;
3281	default:
3282		break;
3283	}
3284
3285	return 0;
3286}
3287
3288static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3289					struct amdgpu_irq_src *source,
3290					unsigned type,
3291					enum amdgpu_interrupt_state state)
3292{
3293	switch (type) {
3294	case AMDGPU_CRTC_IRQ_VBLANK1:
3295		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3296		break;
3297	case AMDGPU_CRTC_IRQ_VBLANK2:
3298		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3299		break;
3300	case AMDGPU_CRTC_IRQ_VBLANK3:
3301		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3302		break;
3303	case AMDGPU_CRTC_IRQ_VBLANK4:
3304		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3305		break;
3306	case AMDGPU_CRTC_IRQ_VBLANK5:
3307		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3308		break;
3309	case AMDGPU_CRTC_IRQ_VBLANK6:
3310		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3311		break;
3312	case AMDGPU_CRTC_IRQ_VLINE1:
3313		dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3314		break;
3315	case AMDGPU_CRTC_IRQ_VLINE2:
3316		dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3317		break;
3318	case AMDGPU_CRTC_IRQ_VLINE3:
3319		dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3320		break;
3321	case AMDGPU_CRTC_IRQ_VLINE4:
3322		dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3323		break;
3324	case AMDGPU_CRTC_IRQ_VLINE5:
3325		dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3326		break;
3327	 case AMDGPU_CRTC_IRQ_VLINE6:
3328		dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3329		break;
3330	default:
3331		break;
3332	}
3333	return 0;
3334}
3335
3336static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3337					    struct amdgpu_irq_src *src,
3338					    unsigned type,
3339					    enum amdgpu_interrupt_state state)
3340{
3341	u32 reg;
3342
3343	if (type >= adev->mode_info.num_crtc) {
3344		DRM_ERROR("invalid pageflip crtc %d\n", type);
3345		return -EINVAL;
3346	}
3347
3348	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3349	if (state == AMDGPU_IRQ_STATE_DISABLE)
3350		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3351		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3352	else
3353		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3354		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3355
3356	return 0;
3357}
3358
3359static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3360				  struct amdgpu_irq_src *source,
3361				  struct amdgpu_iv_entry *entry)
3362{
3363	unsigned long flags;
3364	unsigned crtc_id;
3365	struct amdgpu_crtc *amdgpu_crtc;
3366	struct amdgpu_flip_work *works;
3367
3368	crtc_id = (entry->src_id - 8) >> 1;
3369	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3370
3371	if (crtc_id >= adev->mode_info.num_crtc) {
3372		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3373		return -EINVAL;
3374	}
3375
3376	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3377	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3378		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3379		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3380
3381	/* IRQ could occur when in initial stage */
3382	if(amdgpu_crtc == NULL)
3383		return 0;
3384
3385	spin_lock_irqsave(&adev->ddev->event_lock, flags);
3386	works = amdgpu_crtc->pflip_works;
3387	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3388		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3389						 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3390						 amdgpu_crtc->pflip_status,
3391						 AMDGPU_FLIP_SUBMITTED);
3392		spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3393		return 0;
3394	}
3395
3396	/* page flip completed. clean up */
3397	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3398	amdgpu_crtc->pflip_works = NULL;
3399
3400	/* wakeup usersapce */
3401	if(works->event)
3402		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3403
3404	spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3405
3406	drm_crtc_vblank_put(&amdgpu_crtc->base);
3407	schedule_work(&works->unpin_work);
3408
3409	return 0;
3410}
3411
3412static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3413				  int hpd)
3414{
3415	u32 tmp;
3416
3417	if (hpd >= adev->mode_info.num_hpd) {
3418		DRM_DEBUG("invalid hdp %d\n", hpd);
3419		return;
3420	}
3421
3422	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3423	tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3424	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3425}
3426
3427static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3428					  int crtc)
3429{
3430	u32 tmp;
3431
3432	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3433		DRM_DEBUG("invalid crtc %d\n", crtc);
3434		return;
3435	}
3436
3437	tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3438	tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3439	WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3440}
3441
3442static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3443					 int crtc)
3444{
3445	u32 tmp;
3446
3447	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3448		DRM_DEBUG("invalid crtc %d\n", crtc);
3449		return;
3450	}
3451
3452	tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3453	tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3454	WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3455}
3456
3457static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3458				struct amdgpu_irq_src *source,
3459				struct amdgpu_iv_entry *entry)
3460{
3461	unsigned crtc = entry->src_id - 1;
3462	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3463	unsigned irq_type = amdgpu_crtc_idx_to_irq_type(adev, crtc);
3464
3465	switch (entry->src_data) {
3466	case 0: /* vblank */
3467		if (disp_int & interrupt_status_offsets[crtc].vblank)
3468			dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3469		else
3470			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3471
3472		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3473			drm_handle_vblank(adev->ddev, crtc);
3474		}
3475		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3476
3477		break;
3478	case 1: /* vline */
3479		if (disp_int & interrupt_status_offsets[crtc].vline)
3480			dce_v11_0_crtc_vline_int_ack(adev, crtc);
3481		else
3482			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3483
3484		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3485
3486		break;
3487	default:
3488		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3489		break;
3490	}
3491
3492	return 0;
3493}
3494
3495static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3496			     struct amdgpu_irq_src *source,
3497			     struct amdgpu_iv_entry *entry)
3498{
3499	uint32_t disp_int, mask;
3500	unsigned hpd;
3501
3502	if (entry->src_data >= adev->mode_info.num_hpd) {
3503		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3504		return 0;
3505	}
3506
3507	hpd = entry->src_data;
3508	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3509	mask = interrupt_status_offsets[hpd].hpd;
3510
3511	if (disp_int & mask) {
3512		dce_v11_0_hpd_int_ack(adev, hpd);
3513		schedule_work(&adev->hotplug_work);
3514		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3515	}
3516
3517	return 0;
3518}
3519
3520static int dce_v11_0_set_clockgating_state(void *handle,
3521					  enum amd_clockgating_state state)
3522{
3523	return 0;
3524}
3525
3526static int dce_v11_0_set_powergating_state(void *handle,
3527					  enum amd_powergating_state state)
3528{
3529	return 0;
3530}
3531
3532static const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3533	.name = "dce_v11_0",
3534	.early_init = dce_v11_0_early_init,
3535	.late_init = NULL,
3536	.sw_init = dce_v11_0_sw_init,
3537	.sw_fini = dce_v11_0_sw_fini,
3538	.hw_init = dce_v11_0_hw_init,
3539	.hw_fini = dce_v11_0_hw_fini,
3540	.suspend = dce_v11_0_suspend,
3541	.resume = dce_v11_0_resume,
3542	.is_idle = dce_v11_0_is_idle,
3543	.wait_for_idle = dce_v11_0_wait_for_idle,
3544	.soft_reset = dce_v11_0_soft_reset,
 
3545	.set_clockgating_state = dce_v11_0_set_clockgating_state,
3546	.set_powergating_state = dce_v11_0_set_powergating_state,
3547};
3548
3549static void
3550dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3551			  struct drm_display_mode *mode,
3552			  struct drm_display_mode *adjusted_mode)
3553{
3554	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3555
3556	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3557
3558	/* need to call this here rather than in prepare() since we need some crtc info */
3559	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3560
3561	/* set scaler clears this on some chips */
3562	dce_v11_0_set_interleave(encoder->crtc, mode);
3563
3564	if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3565		dce_v11_0_afmt_enable(encoder, true);
3566		dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3567	}
3568}
3569
3570static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3571{
3572	struct amdgpu_device *adev = encoder->dev->dev_private;
3573	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3574	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3575
3576	if ((amdgpu_encoder->active_device &
3577	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3578	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3579	     ENCODER_OBJECT_ID_NONE)) {
3580		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3581		if (dig) {
3582			dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3583			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3584				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3585		}
3586	}
3587
3588	amdgpu_atombios_scratch_regs_lock(adev, true);
3589
3590	if (connector) {
3591		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3592
3593		/* select the clock/data port if it uses a router */
3594		if (amdgpu_connector->router.cd_valid)
3595			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3596
3597		/* turn eDP panel on for mode set */
3598		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3599			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3600							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3601	}
3602
3603	/* this is needed for the pll/ss setup to work correctly in some cases */
3604	amdgpu_atombios_encoder_set_crtc_source(encoder);
3605	/* set up the FMT blocks */
3606	dce_v11_0_program_fmt(encoder);
3607}
3608
3609static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3610{
3611	struct drm_device *dev = encoder->dev;
3612	struct amdgpu_device *adev = dev->dev_private;
3613
3614	/* need to call this here as we need the crtc set up */
3615	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3616	amdgpu_atombios_scratch_regs_lock(adev, false);
3617}
3618
3619static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3620{
3621	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3622	struct amdgpu_encoder_atom_dig *dig;
3623
3624	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3625
3626	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3627		if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3628			dce_v11_0_afmt_enable(encoder, false);
3629		dig = amdgpu_encoder->enc_priv;
3630		dig->dig_encoder = -1;
3631	}
3632	amdgpu_encoder->active_device = 0;
3633}
3634
3635/* these are handled by the primary encoders */
3636static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3637{
3638
3639}
3640
3641static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3642{
3643
3644}
3645
3646static void
3647dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3648		      struct drm_display_mode *mode,
3649		      struct drm_display_mode *adjusted_mode)
3650{
3651
3652}
3653
3654static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3655{
3656
3657}
3658
3659static void
3660dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3661{
3662
3663}
3664
3665static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3666	.dpms = dce_v11_0_ext_dpms,
3667	.prepare = dce_v11_0_ext_prepare,
3668	.mode_set = dce_v11_0_ext_mode_set,
3669	.commit = dce_v11_0_ext_commit,
3670	.disable = dce_v11_0_ext_disable,
3671	/* no detect for TMDS/LVDS yet */
3672};
3673
3674static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3675	.dpms = amdgpu_atombios_encoder_dpms,
3676	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3677	.prepare = dce_v11_0_encoder_prepare,
3678	.mode_set = dce_v11_0_encoder_mode_set,
3679	.commit = dce_v11_0_encoder_commit,
3680	.disable = dce_v11_0_encoder_disable,
3681	.detect = amdgpu_atombios_encoder_dig_detect,
3682};
3683
3684static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3685	.dpms = amdgpu_atombios_encoder_dpms,
3686	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3687	.prepare = dce_v11_0_encoder_prepare,
3688	.mode_set = dce_v11_0_encoder_mode_set,
3689	.commit = dce_v11_0_encoder_commit,
3690	.detect = amdgpu_atombios_encoder_dac_detect,
3691};
3692
3693static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3694{
3695	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3696	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3697		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3698	kfree(amdgpu_encoder->enc_priv);
3699	drm_encoder_cleanup(encoder);
3700	kfree(amdgpu_encoder);
3701}
3702
3703static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3704	.destroy = dce_v11_0_encoder_destroy,
3705};
3706
3707static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3708				 uint32_t encoder_enum,
3709				 uint32_t supported_device,
3710				 u16 caps)
3711{
3712	struct drm_device *dev = adev->ddev;
3713	struct drm_encoder *encoder;
3714	struct amdgpu_encoder *amdgpu_encoder;
3715
3716	/* see if we already added it */
3717	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3718		amdgpu_encoder = to_amdgpu_encoder(encoder);
3719		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3720			amdgpu_encoder->devices |= supported_device;
3721			return;
3722		}
3723
3724	}
3725
3726	/* add a new one */
3727	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3728	if (!amdgpu_encoder)
3729		return;
3730
3731	encoder = &amdgpu_encoder->base;
3732	switch (adev->mode_info.num_crtc) {
3733	case 1:
3734		encoder->possible_crtcs = 0x1;
3735		break;
3736	case 2:
3737	default:
3738		encoder->possible_crtcs = 0x3;
3739		break;
3740	case 3:
3741		encoder->possible_crtcs = 0x7;
3742		break;
3743	case 4:
3744		encoder->possible_crtcs = 0xf;
3745		break;
3746	case 5:
3747		encoder->possible_crtcs = 0x1f;
3748		break;
3749	case 6:
3750		encoder->possible_crtcs = 0x3f;
3751		break;
3752	}
3753
3754	amdgpu_encoder->enc_priv = NULL;
3755
3756	amdgpu_encoder->encoder_enum = encoder_enum;
3757	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3758	amdgpu_encoder->devices = supported_device;
3759	amdgpu_encoder->rmx_type = RMX_OFF;
3760	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3761	amdgpu_encoder->is_ext_encoder = false;
3762	amdgpu_encoder->caps = caps;
3763
3764	switch (amdgpu_encoder->encoder_id) {
3765	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3766	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3767		drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3768				 DRM_MODE_ENCODER_DAC, NULL);
3769		drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3770		break;
3771	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3772	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3773	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3774	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3775	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3776		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3777			amdgpu_encoder->rmx_type = RMX_FULL;
3778			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3779					 DRM_MODE_ENCODER_LVDS, NULL);
3780			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3781		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3782			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3783					 DRM_MODE_ENCODER_DAC, NULL);
3784			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3785		} else {
3786			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3787					 DRM_MODE_ENCODER_TMDS, NULL);
3788			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3789		}
3790		drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3791		break;
3792	case ENCODER_OBJECT_ID_SI170B:
3793	case ENCODER_OBJECT_ID_CH7303:
3794	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3795	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3796	case ENCODER_OBJECT_ID_TITFP513:
3797	case ENCODER_OBJECT_ID_VT1623:
3798	case ENCODER_OBJECT_ID_HDMI_SI1930:
3799	case ENCODER_OBJECT_ID_TRAVIS:
3800	case ENCODER_OBJECT_ID_NUTMEG:
3801		/* these are handled by the primary encoders */
3802		amdgpu_encoder->is_ext_encoder = true;
3803		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3804			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3805					 DRM_MODE_ENCODER_LVDS, NULL);
3806		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3807			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3808					 DRM_MODE_ENCODER_DAC, NULL);
3809		else
3810			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3811					 DRM_MODE_ENCODER_TMDS, NULL);
3812		drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3813		break;
3814	}
3815}
3816
3817static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3818	.set_vga_render_state = &dce_v11_0_set_vga_render_state,
3819	.bandwidth_update = &dce_v11_0_bandwidth_update,
3820	.vblank_get_counter = &dce_v11_0_vblank_get_counter,
3821	.vblank_wait = &dce_v11_0_vblank_wait,
 
3822	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3823	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3824	.hpd_sense = &dce_v11_0_hpd_sense,
3825	.hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3826	.hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3827	.page_flip = &dce_v11_0_page_flip,
3828	.page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3829	.add_encoder = &dce_v11_0_encoder_add,
3830	.add_connector = &amdgpu_connector_add,
3831	.stop_mc_access = &dce_v11_0_stop_mc_access,
3832	.resume_mc_access = &dce_v11_0_resume_mc_access,
3833};
3834
3835static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3836{
3837	if (adev->mode_info.funcs == NULL)
3838		adev->mode_info.funcs = &dce_v11_0_display_funcs;
3839}
3840
3841static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3842	.set = dce_v11_0_set_crtc_irq_state,
3843	.process = dce_v11_0_crtc_irq,
3844};
3845
3846static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3847	.set = dce_v11_0_set_pageflip_irq_state,
3848	.process = dce_v11_0_pageflip_irq,
3849};
3850
3851static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3852	.set = dce_v11_0_set_hpd_irq_state,
3853	.process = dce_v11_0_hpd_irq,
3854};
3855
3856static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3857{
3858	adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_LAST;
3859	adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3860
3861	adev->pageflip_irq.num_types = AMDGPU_PAGEFLIP_IRQ_LAST;
3862	adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3863
3864	adev->hpd_irq.num_types = AMDGPU_HPD_LAST;
3865	adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3866}
3867
3868const struct amdgpu_ip_block_version dce_v11_0_ip_block =
3869{
3870	.type = AMD_IP_BLOCK_TYPE_DCE,
3871	.major = 11,
3872	.minor = 0,
3873	.rev = 0,
3874	.funcs = &dce_v11_0_ip_funcs,
3875};
3876
3877const struct amdgpu_ip_block_version dce_v11_2_ip_block =
3878{
3879	.type = AMD_IP_BLOCK_TYPE_DCE,
3880	.major = 11,
3881	.minor = 2,
3882	.rev = 0,
3883	.funcs = &dce_v11_0_ip_funcs,
3884};