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