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v4.17
   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 <drm/drmP.h>
  24#include "amdgpu.h"
  25#include "amdgpu_pm.h"
  26#include "amdgpu_i2c.h"
  27#include "vid.h"
  28#include "atom.h"
  29#include "amdgpu_atombios.h"
  30#include "atombios_crtc.h"
  31#include "atombios_encoders.h"
  32#include "amdgpu_pll.h"
  33#include "amdgpu_connectors.h"
  34#include "dce_v11_0.h"
  35
  36#include "dce/dce_11_0_d.h"
  37#include "dce/dce_11_0_sh_mask.h"
  38#include "dce/dce_11_0_enum.h"
  39#include "oss/oss_3_0_d.h"
  40#include "oss/oss_3_0_sh_mask.h"
  41#include "gmc/gmc_8_1_d.h"
  42#include "gmc/gmc_8_1_sh_mask.h"
  43
  44static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
  45static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
  46
  47static const u32 crtc_offsets[] =
  48{
  49	CRTC0_REGISTER_OFFSET,
  50	CRTC1_REGISTER_OFFSET,
  51	CRTC2_REGISTER_OFFSET,
  52	CRTC3_REGISTER_OFFSET,
  53	CRTC4_REGISTER_OFFSET,
  54	CRTC5_REGISTER_OFFSET,
  55	CRTC6_REGISTER_OFFSET
  56};
  57
  58static const u32 hpd_offsets[] =
  59{
  60	HPD0_REGISTER_OFFSET,
  61	HPD1_REGISTER_OFFSET,
  62	HPD2_REGISTER_OFFSET,
  63	HPD3_REGISTER_OFFSET,
  64	HPD4_REGISTER_OFFSET,
  65	HPD5_REGISTER_OFFSET
  66};
  67
  68static const uint32_t dig_offsets[] = {
  69	DIG0_REGISTER_OFFSET,
  70	DIG1_REGISTER_OFFSET,
  71	DIG2_REGISTER_OFFSET,
  72	DIG3_REGISTER_OFFSET,
  73	DIG4_REGISTER_OFFSET,
  74	DIG5_REGISTER_OFFSET,
  75	DIG6_REGISTER_OFFSET,
  76	DIG7_REGISTER_OFFSET,
  77	DIG8_REGISTER_OFFSET
  78};
  79
  80static const struct {
  81	uint32_t        reg;
  82	uint32_t        vblank;
  83	uint32_t        vline;
  84	uint32_t        hpd;
  85
  86} interrupt_status_offsets[] = { {
  87	.reg = mmDISP_INTERRUPT_STATUS,
  88	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
  89	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
  90	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
  91}, {
  92	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
  93	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
  94	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
  95	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
  96}, {
  97	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
  98	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
  99	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
 100	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
 101}, {
 102	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
 103	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
 104	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
 105	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
 106}, {
 107	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
 108	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
 109	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
 110	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
 111}, {
 112	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
 113	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
 114	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
 115	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
 116} };
 117
 118static const u32 cz_golden_settings_a11[] =
 119{
 120	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
 121	mmFBC_MISC, 0x1f311fff, 0x14300000,
 122};
 123
 124static const u32 cz_mgcg_cgcg_init[] =
 125{
 126	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 127	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 128};
 129
 130static const u32 stoney_golden_settings_a11[] =
 131{
 132	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
 133	mmFBC_MISC, 0x1f311fff, 0x14302000,
 134};
 135
 136static const u32 polaris11_golden_settings_a11[] =
 137{
 138	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 139	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 140	mmFBC_DEBUG1, 0xffffffff, 0x00000008,
 141	mmFBC_MISC, 0x9f313fff, 0x14302008,
 142	mmHDMI_CONTROL, 0x313f031f, 0x00000011,
 143};
 144
 145static const u32 polaris10_golden_settings_a11[] =
 146{
 147	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 148	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 149	mmFBC_MISC, 0x9f313fff, 0x14302008,
 150	mmHDMI_CONTROL, 0x313f031f, 0x00000011,
 151};
 152
 153static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
 154{
 155	switch (adev->asic_type) {
 156	case CHIP_CARRIZO:
 157		amdgpu_device_program_register_sequence(adev,
 158							cz_mgcg_cgcg_init,
 159							ARRAY_SIZE(cz_mgcg_cgcg_init));
 160		amdgpu_device_program_register_sequence(adev,
 161							cz_golden_settings_a11,
 162							ARRAY_SIZE(cz_golden_settings_a11));
 163		break;
 164	case CHIP_STONEY:
 165		amdgpu_device_program_register_sequence(adev,
 166							stoney_golden_settings_a11,
 167							ARRAY_SIZE(stoney_golden_settings_a11));
 168		break;
 169	case CHIP_POLARIS11:
 170	case CHIP_POLARIS12:
 171		amdgpu_device_program_register_sequence(adev,
 172							polaris11_golden_settings_a11,
 173							ARRAY_SIZE(polaris11_golden_settings_a11));
 174		break;
 175	case CHIP_POLARIS10:
 176		amdgpu_device_program_register_sequence(adev,
 177							polaris10_golden_settings_a11,
 178							ARRAY_SIZE(polaris10_golden_settings_a11));
 179		break;
 180	default:
 181		break;
 182	}
 183}
 184
 185static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
 186				     u32 block_offset, u32 reg)
 187{
 188	unsigned long flags;
 189	u32 r;
 190
 191	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 192	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 193	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 194	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 195
 196	return r;
 197}
 198
 199static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
 200				      u32 block_offset, u32 reg, u32 v)
 201{
 202	unsigned long flags;
 203
 204	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 205	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 206	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 207	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 208}
 209
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 210static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 211{
 212	if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
 213		return 0;
 214	else
 215		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 216}
 217
 218static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 219{
 220	unsigned i;
 221
 222	/* Enable pflip interrupts */
 223	for (i = 0; i < adev->mode_info.num_crtc; i++)
 224		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 225}
 226
 227static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 228{
 229	unsigned i;
 230
 231	/* Disable pflip interrupts */
 232	for (i = 0; i < adev->mode_info.num_crtc; i++)
 233		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 234}
 235
 236/**
 237 * dce_v11_0_page_flip - pageflip callback.
 238 *
 239 * @adev: amdgpu_device pointer
 240 * @crtc_id: crtc to cleanup pageflip on
 241 * @crtc_base: new address of the crtc (GPU MC address)
 242 *
 243 * Triggers the actual pageflip by updating the primary
 244 * surface base address.
 245 */
 246static void dce_v11_0_page_flip(struct amdgpu_device *adev,
 247				int crtc_id, u64 crtc_base, bool async)
 248{
 249	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 250	u32 tmp;
 251
 252	/* flip immediate for async, default is vsync */
 253	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
 254	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
 255			    GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0);
 256	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 257	/* update the scanout addresses */
 258	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 259	       upper_32_bits(crtc_base));
 260	/* writing to the low address triggers the update */
 261	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 262	       lower_32_bits(crtc_base));
 263	/* post the write */
 264	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 265}
 266
 267static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 268					u32 *vbl, u32 *position)
 269{
 270	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 271		return -EINVAL;
 272
 273	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 274	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 275
 276	return 0;
 277}
 278
 279/**
 280 * dce_v11_0_hpd_sense - hpd sense callback.
 281 *
 282 * @adev: amdgpu_device pointer
 283 * @hpd: hpd (hotplug detect) pin
 284 *
 285 * Checks if a digital monitor is connected (evergreen+).
 286 * Returns true if connected, false if not connected.
 287 */
 288static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
 289			       enum amdgpu_hpd_id hpd)
 290{
 
 291	bool connected = false;
 292
 293	if (hpd >= adev->mode_info.num_hpd)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 294		return connected;
 
 295
 296	if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
 297	    DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
 298		connected = true;
 299
 300	return connected;
 301}
 302
 303/**
 304 * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
 305 *
 306 * @adev: amdgpu_device pointer
 307 * @hpd: hpd (hotplug detect) pin
 308 *
 309 * Set the polarity of the hpd pin (evergreen+).
 310 */
 311static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
 312				      enum amdgpu_hpd_id hpd)
 313{
 314	u32 tmp;
 315	bool connected = dce_v11_0_hpd_sense(adev, hpd);
 
 316
 317	if (hpd >= adev->mode_info.num_hpd)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 318		return;
 
 319
 320	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
 321	if (connected)
 322		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
 323	else
 324		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
 325	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
 326}
 327
 328/**
 329 * dce_v11_0_hpd_init - hpd setup callback.
 330 *
 331 * @adev: amdgpu_device pointer
 332 *
 333 * Setup the hpd pins used by the card (evergreen+).
 334 * Enable the pin, set the polarity, and enable the hpd interrupts.
 335 */
 336static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
 337{
 338	struct drm_device *dev = adev->ddev;
 339	struct drm_connector *connector;
 340	u32 tmp;
 
 341
 342	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 343		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 344
 345		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 346			continue;
 347
 348		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 349		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 350			/* don't try to enable hpd on eDP or LVDS avoid breaking the
 351			 * aux dp channel on imac and help (but not completely fix)
 352			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 353			 * also avoid interrupt storms during dpms.
 354			 */
 355			tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 356			tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
 357			WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 358			continue;
 359		}
 360
 361		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 362		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
 363		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 364
 365		tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 366		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 367				    DC_HPD_CONNECT_INT_DELAY,
 368				    AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
 369		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 370				    DC_HPD_DISCONNECT_INT_DELAY,
 371				    AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
 372		WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 373
 374		dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 375		amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 376	}
 377}
 378
 379/**
 380 * dce_v11_0_hpd_fini - hpd tear down callback.
 381 *
 382 * @adev: amdgpu_device pointer
 383 *
 384 * Tear down the hpd pins used by the card (evergreen+).
 385 * Disable the hpd interrupts.
 386 */
 387static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
 388{
 389	struct drm_device *dev = adev->ddev;
 390	struct drm_connector *connector;
 391	u32 tmp;
 
 392
 393	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 394		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 395
 396		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 397			continue;
 
 398
 399		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 400		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
 401		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 402
 403		amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 404	}
 405}
 406
 407static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 408{
 409	return mmDC_GPIO_HPD_A;
 410}
 411
 412static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
 413{
 414	u32 crtc_hung = 0;
 415	u32 crtc_status[6];
 416	u32 i, j, tmp;
 417
 418	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 419		tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 420		if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
 421			crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 422			crtc_hung |= (1 << i);
 423		}
 424	}
 425
 426	for (j = 0; j < 10; j++) {
 427		for (i = 0; i < adev->mode_info.num_crtc; i++) {
 428			if (crtc_hung & (1 << i)) {
 429				tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 430				if (tmp != crtc_status[i])
 431					crtc_hung &= ~(1 << i);
 432			}
 433		}
 434		if (crtc_hung == 0)
 435			return false;
 436		udelay(100);
 437	}
 438
 439	return true;
 440}
 441
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 442static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
 443					   bool render)
 444{
 445	u32 tmp;
 446
 447	/* Lockout access through VGA aperture*/
 448	tmp = RREG32(mmVGA_HDP_CONTROL);
 449	if (render)
 450		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
 451	else
 452		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
 453	WREG32(mmVGA_HDP_CONTROL, tmp);
 454
 455	/* disable VGA render */
 456	tmp = RREG32(mmVGA_RENDER_CONTROL);
 457	if (render)
 458		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
 459	else
 460		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 461	WREG32(mmVGA_RENDER_CONTROL, tmp);
 462}
 463
 464static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev)
 465{
 466	int num_crtc = 0;
 467
 468	switch (adev->asic_type) {
 469	case CHIP_CARRIZO:
 470		num_crtc = 3;
 471		break;
 472	case CHIP_STONEY:
 473		num_crtc = 2;
 474		break;
 475	case CHIP_POLARIS10:
 476		num_crtc = 6;
 477		break;
 478	case CHIP_POLARIS11:
 479	case CHIP_POLARIS12:
 480		num_crtc = 5;
 481		break;
 482	default:
 483		num_crtc = 0;
 484	}
 485	return num_crtc;
 486}
 487
 488void dce_v11_0_disable_dce(struct amdgpu_device *adev)
 489{
 490	/*Disable VGA render and enabled crtc, if has DCE engine*/
 491	if (amdgpu_atombios_has_dce_engine_info(adev)) {
 492		u32 tmp;
 493		int crtc_enabled, i;
 494
 495		dce_v11_0_set_vga_render_state(adev, false);
 496
 497		/*Disable crtc*/
 498		for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) {
 499			crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
 500									 CRTC_CONTROL, CRTC_MASTER_EN);
 501			if (crtc_enabled) {
 502				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 503				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 504				tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
 505				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 506				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 507			}
 508		}
 509	}
 510}
 511
 512static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
 513{
 514	struct drm_device *dev = encoder->dev;
 515	struct amdgpu_device *adev = dev->dev_private;
 516	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 517	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 518	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 519	int bpc = 0;
 520	u32 tmp = 0;
 521	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 522
 523	if (connector) {
 524		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 525		bpc = amdgpu_connector_get_monitor_bpc(connector);
 526		dither = amdgpu_connector->dither;
 527	}
 528
 529	/* LVDS/eDP FMT is set up by atom */
 530	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 531		return;
 532
 533	/* not needed for analog */
 534	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 535	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 536		return;
 537
 538	if (bpc == 0)
 539		return;
 540
 541	switch (bpc) {
 542	case 6:
 543		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 544			/* XXX sort out optimal dither settings */
 545			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 546			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 547			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 548			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
 549		} else {
 550			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 551			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
 552		}
 553		break;
 554	case 8:
 555		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 556			/* XXX sort out optimal dither settings */
 557			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 558			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 559			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 560			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 561			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
 562		} else {
 563			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 564			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
 565		}
 566		break;
 567	case 10:
 568		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 569			/* XXX sort out optimal dither settings */
 570			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 571			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 572			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 573			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 574			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
 575		} else {
 576			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 577			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
 578		}
 579		break;
 580	default:
 581		/* not needed */
 582		break;
 583	}
 584
 585	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 586}
 587
 588
 589/* display watermark setup */
 590/**
 591 * dce_v11_0_line_buffer_adjust - Set up the line buffer
 592 *
 593 * @adev: amdgpu_device pointer
 594 * @amdgpu_crtc: the selected display controller
 595 * @mode: the current display mode on the selected display
 596 * controller
 597 *
 598 * Setup up the line buffer allocation for
 599 * the selected display controller (CIK).
 600 * Returns the line buffer size in pixels.
 601 */
 602static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
 603				       struct amdgpu_crtc *amdgpu_crtc,
 604				       struct drm_display_mode *mode)
 605{
 606	u32 tmp, buffer_alloc, i, mem_cfg;
 607	u32 pipe_offset = amdgpu_crtc->crtc_id;
 608	/*
 609	 * Line Buffer Setup
 610	 * There are 6 line buffers, one for each display controllers.
 611	 * There are 3 partitions per LB. Select the number of partitions
 612	 * to enable based on the display width.  For display widths larger
 613	 * than 4096, you need use to use 2 display controllers and combine
 614	 * them using the stereo blender.
 615	 */
 616	if (amdgpu_crtc->base.enabled && mode) {
 617		if (mode->crtc_hdisplay < 1920) {
 618			mem_cfg = 1;
 619			buffer_alloc = 2;
 620		} else if (mode->crtc_hdisplay < 2560) {
 621			mem_cfg = 2;
 622			buffer_alloc = 2;
 623		} else if (mode->crtc_hdisplay < 4096) {
 624			mem_cfg = 0;
 625			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 626		} else {
 627			DRM_DEBUG_KMS("Mode too big for LB!\n");
 628			mem_cfg = 0;
 629			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 630		}
 631	} else {
 632		mem_cfg = 1;
 633		buffer_alloc = 0;
 634	}
 635
 636	tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
 637	tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
 638	WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
 639
 640	tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 641	tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
 642	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
 643
 644	for (i = 0; i < adev->usec_timeout; i++) {
 645		tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 646		if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
 647			break;
 648		udelay(1);
 649	}
 650
 651	if (amdgpu_crtc->base.enabled && mode) {
 652		switch (mem_cfg) {
 653		case 0:
 654		default:
 655			return 4096 * 2;
 656		case 1:
 657			return 1920 * 2;
 658		case 2:
 659			return 2560 * 2;
 660		}
 661	}
 662
 663	/* controller not enabled, so no lb used */
 664	return 0;
 665}
 666
 667/**
 668 * cik_get_number_of_dram_channels - get the number of dram channels
 669 *
 670 * @adev: amdgpu_device pointer
 671 *
 672 * Look up the number of video ram channels (CIK).
 673 * Used for display watermark bandwidth calculations
 674 * Returns the number of dram channels
 675 */
 676static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
 677{
 678	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 679
 680	switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
 681	case 0:
 682	default:
 683		return 1;
 684	case 1:
 685		return 2;
 686	case 2:
 687		return 4;
 688	case 3:
 689		return 8;
 690	case 4:
 691		return 3;
 692	case 5:
 693		return 6;
 694	case 6:
 695		return 10;
 696	case 7:
 697		return 12;
 698	case 8:
 699		return 16;
 700	}
 701}
 702
 703struct dce10_wm_params {
 704	u32 dram_channels; /* number of dram channels */
 705	u32 yclk;          /* bandwidth per dram data pin in kHz */
 706	u32 sclk;          /* engine clock in kHz */
 707	u32 disp_clk;      /* display clock in kHz */
 708	u32 src_width;     /* viewport width */
 709	u32 active_time;   /* active display time in ns */
 710	u32 blank_time;    /* blank time in ns */
 711	bool interlaced;    /* mode is interlaced */
 712	fixed20_12 vsc;    /* vertical scale ratio */
 713	u32 num_heads;     /* number of active crtcs */
 714	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 715	u32 lb_size;       /* line buffer allocated to pipe */
 716	u32 vtaps;         /* vertical scaler taps */
 717};
 718
 719/**
 720 * dce_v11_0_dram_bandwidth - get the dram bandwidth
 721 *
 722 * @wm: watermark calculation data
 723 *
 724 * Calculate the raw dram bandwidth (CIK).
 725 * Used for display watermark bandwidth calculations
 726 * Returns the dram bandwidth in MBytes/s
 727 */
 728static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
 729{
 730	/* Calculate raw DRAM Bandwidth */
 731	fixed20_12 dram_efficiency; /* 0.7 */
 732	fixed20_12 yclk, dram_channels, bandwidth;
 733	fixed20_12 a;
 734
 735	a.full = dfixed_const(1000);
 736	yclk.full = dfixed_const(wm->yclk);
 737	yclk.full = dfixed_div(yclk, a);
 738	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 739	a.full = dfixed_const(10);
 740	dram_efficiency.full = dfixed_const(7);
 741	dram_efficiency.full = dfixed_div(dram_efficiency, a);
 742	bandwidth.full = dfixed_mul(dram_channels, yclk);
 743	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 744
 745	return dfixed_trunc(bandwidth);
 746}
 747
 748/**
 749 * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
 750 *
 751 * @wm: watermark calculation data
 752 *
 753 * Calculate the dram bandwidth used for display (CIK).
 754 * Used for display watermark bandwidth calculations
 755 * Returns the dram bandwidth for display in MBytes/s
 756 */
 757static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 758{
 759	/* Calculate DRAM Bandwidth and the part allocated to display. */
 760	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 761	fixed20_12 yclk, dram_channels, bandwidth;
 762	fixed20_12 a;
 763
 764	a.full = dfixed_const(1000);
 765	yclk.full = dfixed_const(wm->yclk);
 766	yclk.full = dfixed_div(yclk, a);
 767	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 768	a.full = dfixed_const(10);
 769	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 770	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 771	bandwidth.full = dfixed_mul(dram_channels, yclk);
 772	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 773
 774	return dfixed_trunc(bandwidth);
 775}
 776
 777/**
 778 * dce_v11_0_data_return_bandwidth - get the data return bandwidth
 779 *
 780 * @wm: watermark calculation data
 781 *
 782 * Calculate the data return bandwidth used for display (CIK).
 783 * Used for display watermark bandwidth calculations
 784 * Returns the data return bandwidth in MBytes/s
 785 */
 786static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
 787{
 788	/* Calculate the display Data return Bandwidth */
 789	fixed20_12 return_efficiency; /* 0.8 */
 790	fixed20_12 sclk, bandwidth;
 791	fixed20_12 a;
 792
 793	a.full = dfixed_const(1000);
 794	sclk.full = dfixed_const(wm->sclk);
 795	sclk.full = dfixed_div(sclk, a);
 796	a.full = dfixed_const(10);
 797	return_efficiency.full = dfixed_const(8);
 798	return_efficiency.full = dfixed_div(return_efficiency, a);
 799	a.full = dfixed_const(32);
 800	bandwidth.full = dfixed_mul(a, sclk);
 801	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 802
 803	return dfixed_trunc(bandwidth);
 804}
 805
 806/**
 807 * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
 808 *
 809 * @wm: watermark calculation data
 810 *
 811 * Calculate the dmif bandwidth used for display (CIK).
 812 * Used for display watermark bandwidth calculations
 813 * Returns the dmif bandwidth in MBytes/s
 814 */
 815static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
 816{
 817	/* Calculate the DMIF Request Bandwidth */
 818	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
 819	fixed20_12 disp_clk, bandwidth;
 820	fixed20_12 a, b;
 821
 822	a.full = dfixed_const(1000);
 823	disp_clk.full = dfixed_const(wm->disp_clk);
 824	disp_clk.full = dfixed_div(disp_clk, a);
 825	a.full = dfixed_const(32);
 826	b.full = dfixed_mul(a, disp_clk);
 827
 828	a.full = dfixed_const(10);
 829	disp_clk_request_efficiency.full = dfixed_const(8);
 830	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
 831
 832	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
 833
 834	return dfixed_trunc(bandwidth);
 835}
 836
 837/**
 838 * dce_v11_0_available_bandwidth - get the min available bandwidth
 839 *
 840 * @wm: watermark calculation data
 841 *
 842 * Calculate the min available bandwidth used for display (CIK).
 843 * Used for display watermark bandwidth calculations
 844 * Returns the min available bandwidth in MBytes/s
 845 */
 846static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
 847{
 848	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
 849	u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
 850	u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
 851	u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
 852
 853	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
 854}
 855
 856/**
 857 * dce_v11_0_average_bandwidth - get the average available bandwidth
 858 *
 859 * @wm: watermark calculation data
 860 *
 861 * Calculate the average available bandwidth used for display (CIK).
 862 * Used for display watermark bandwidth calculations
 863 * Returns the average available bandwidth in MBytes/s
 864 */
 865static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
 866{
 867	/* Calculate the display mode Average Bandwidth
 868	 * DisplayMode should contain the source and destination dimensions,
 869	 * timing, etc.
 870	 */
 871	fixed20_12 bpp;
 872	fixed20_12 line_time;
 873	fixed20_12 src_width;
 874	fixed20_12 bandwidth;
 875	fixed20_12 a;
 876
 877	a.full = dfixed_const(1000);
 878	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
 879	line_time.full = dfixed_div(line_time, a);
 880	bpp.full = dfixed_const(wm->bytes_per_pixel);
 881	src_width.full = dfixed_const(wm->src_width);
 882	bandwidth.full = dfixed_mul(src_width, bpp);
 883	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
 884	bandwidth.full = dfixed_div(bandwidth, line_time);
 885
 886	return dfixed_trunc(bandwidth);
 887}
 888
 889/**
 890 * dce_v11_0_latency_watermark - get the latency watermark
 891 *
 892 * @wm: watermark calculation data
 893 *
 894 * Calculate the latency watermark (CIK).
 895 * Used for display watermark bandwidth calculations
 896 * Returns the latency watermark in ns
 897 */
 898static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
 899{
 900	/* First calculate the latency in ns */
 901	u32 mc_latency = 2000; /* 2000 ns. */
 902	u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
 903	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
 904	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
 905	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
 906	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
 907		(wm->num_heads * cursor_line_pair_return_time);
 908	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
 909	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
 910	u32 tmp, dmif_size = 12288;
 911	fixed20_12 a, b, c;
 912
 913	if (wm->num_heads == 0)
 914		return 0;
 915
 916	a.full = dfixed_const(2);
 917	b.full = dfixed_const(1);
 918	if ((wm->vsc.full > a.full) ||
 919	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
 920	    (wm->vtaps >= 5) ||
 921	    ((wm->vsc.full >= a.full) && wm->interlaced))
 922		max_src_lines_per_dst_line = 4;
 923	else
 924		max_src_lines_per_dst_line = 2;
 925
 926	a.full = dfixed_const(available_bandwidth);
 927	b.full = dfixed_const(wm->num_heads);
 928	a.full = dfixed_div(a, b);
 929	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
 930	tmp = min(dfixed_trunc(a), tmp);
 931
 932	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 933
 934	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 935	b.full = dfixed_const(1000);
 936	c.full = dfixed_const(lb_fill_bw);
 937	b.full = dfixed_div(c, b);
 938	a.full = dfixed_div(a, b);
 939	line_fill_time = dfixed_trunc(a);
 940
 941	if (line_fill_time < wm->active_time)
 942		return latency;
 943	else
 944		return latency + (line_fill_time - wm->active_time);
 945
 946}
 947
 948/**
 949 * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
 950 * average and available dram bandwidth
 951 *
 952 * @wm: watermark calculation data
 953 *
 954 * Check if the display average bandwidth fits in the display
 955 * dram bandwidth (CIK).
 956 * Used for display watermark bandwidth calculations
 957 * Returns true if the display fits, false if not.
 958 */
 959static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 960{
 961	if (dce_v11_0_average_bandwidth(wm) <=
 962	    (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
 963		return true;
 964	else
 965		return false;
 966}
 967
 968/**
 969 * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
 970 * average and available bandwidth
 971 *
 972 * @wm: watermark calculation data
 973 *
 974 * Check if the display average bandwidth fits in the display
 975 * available bandwidth (CIK).
 976 * Used for display watermark bandwidth calculations
 977 * Returns true if the display fits, false if not.
 978 */
 979static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
 980{
 981	if (dce_v11_0_average_bandwidth(wm) <=
 982	    (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
 983		return true;
 984	else
 985		return false;
 986}
 987
 988/**
 989 * dce_v11_0_check_latency_hiding - check latency hiding
 990 *
 991 * @wm: watermark calculation data
 992 *
 993 * Check latency hiding (CIK).
 994 * Used for display watermark bandwidth calculations
 995 * Returns true if the display fits, false if not.
 996 */
 997static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
 998{
 999	u32 lb_partitions = wm->lb_size / wm->src_width;
1000	u32 line_time = wm->active_time + wm->blank_time;
1001	u32 latency_tolerant_lines;
1002	u32 latency_hiding;
1003	fixed20_12 a;
1004
1005	a.full = dfixed_const(1);
1006	if (wm->vsc.full > a.full)
1007		latency_tolerant_lines = 1;
1008	else {
1009		if (lb_partitions <= (wm->vtaps + 1))
1010			latency_tolerant_lines = 1;
1011		else
1012			latency_tolerant_lines = 2;
1013	}
1014
1015	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1016
1017	if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1018		return true;
1019	else
1020		return false;
1021}
1022
1023/**
1024 * dce_v11_0_program_watermarks - program display watermarks
1025 *
1026 * @adev: amdgpu_device pointer
1027 * @amdgpu_crtc: the selected display controller
1028 * @lb_size: line buffer size
1029 * @num_heads: number of display controllers in use
1030 *
1031 * Calculate and program the display watermarks for the
1032 * selected display controller (CIK).
1033 */
1034static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1035					struct amdgpu_crtc *amdgpu_crtc,
1036					u32 lb_size, u32 num_heads)
1037{
1038	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1039	struct dce10_wm_params wm_low, wm_high;
1040	u32 active_time;
1041	u32 line_time = 0;
1042	u32 latency_watermark_a = 0, latency_watermark_b = 0;
1043	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1044
1045	if (amdgpu_crtc->base.enabled && num_heads && mode) {
1046		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1047					    (u32)mode->clock);
1048		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1049					  (u32)mode->clock);
1050		line_time = min(line_time, (u32)65535);
1051
1052		/* watermark for high clocks */
1053		if (adev->pm.dpm_enabled) {
1054			wm_high.yclk =
1055				amdgpu_dpm_get_mclk(adev, false) * 10;
1056			wm_high.sclk =
1057				amdgpu_dpm_get_sclk(adev, false) * 10;
1058		} else {
1059			wm_high.yclk = adev->pm.current_mclk * 10;
1060			wm_high.sclk = adev->pm.current_sclk * 10;
1061		}
1062
1063		wm_high.disp_clk = mode->clock;
1064		wm_high.src_width = mode->crtc_hdisplay;
1065		wm_high.active_time = active_time;
1066		wm_high.blank_time = line_time - wm_high.active_time;
1067		wm_high.interlaced = false;
1068		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1069			wm_high.interlaced = true;
1070		wm_high.vsc = amdgpu_crtc->vsc;
1071		wm_high.vtaps = 1;
1072		if (amdgpu_crtc->rmx_type != RMX_OFF)
1073			wm_high.vtaps = 2;
1074		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1075		wm_high.lb_size = lb_size;
1076		wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1077		wm_high.num_heads = num_heads;
1078
1079		/* set for high clocks */
1080		latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535);
1081
1082		/* possibly force display priority to high */
1083		/* should really do this at mode validation time... */
1084		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1085		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1086		    !dce_v11_0_check_latency_hiding(&wm_high) ||
1087		    (adev->mode_info.disp_priority == 2)) {
1088			DRM_DEBUG_KMS("force priority to high\n");
1089		}
1090
1091		/* watermark for low clocks */
1092		if (adev->pm.dpm_enabled) {
1093			wm_low.yclk =
1094				amdgpu_dpm_get_mclk(adev, true) * 10;
1095			wm_low.sclk =
1096				amdgpu_dpm_get_sclk(adev, true) * 10;
1097		} else {
1098			wm_low.yclk = adev->pm.current_mclk * 10;
1099			wm_low.sclk = adev->pm.current_sclk * 10;
1100		}
1101
1102		wm_low.disp_clk = mode->clock;
1103		wm_low.src_width = mode->crtc_hdisplay;
1104		wm_low.active_time = active_time;
1105		wm_low.blank_time = line_time - wm_low.active_time;
1106		wm_low.interlaced = false;
1107		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1108			wm_low.interlaced = true;
1109		wm_low.vsc = amdgpu_crtc->vsc;
1110		wm_low.vtaps = 1;
1111		if (amdgpu_crtc->rmx_type != RMX_OFF)
1112			wm_low.vtaps = 2;
1113		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1114		wm_low.lb_size = lb_size;
1115		wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1116		wm_low.num_heads = num_heads;
1117
1118		/* set for low clocks */
1119		latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535);
1120
1121		/* possibly force display priority to high */
1122		/* should really do this at mode validation time... */
1123		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1124		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1125		    !dce_v11_0_check_latency_hiding(&wm_low) ||
1126		    (adev->mode_info.disp_priority == 2)) {
1127			DRM_DEBUG_KMS("force priority to high\n");
1128		}
1129		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1130	}
1131
1132	/* select wm A */
1133	wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1134	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1135	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1136	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1137	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1138	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1139	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1140	/* select wm B */
1141	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1142	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1143	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1144	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1145	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1146	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1147	/* restore original selection */
1148	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1149
1150	/* save values for DPM */
1151	amdgpu_crtc->line_time = line_time;
1152	amdgpu_crtc->wm_high = latency_watermark_a;
1153	amdgpu_crtc->wm_low = latency_watermark_b;
1154	/* Save number of lines the linebuffer leads before the scanout */
1155	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1156}
1157
1158/**
1159 * dce_v11_0_bandwidth_update - program display watermarks
1160 *
1161 * @adev: amdgpu_device pointer
1162 *
1163 * Calculate and program the display watermarks and line
1164 * buffer allocation (CIK).
1165 */
1166static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1167{
1168	struct drm_display_mode *mode = NULL;
1169	u32 num_heads = 0, lb_size;
1170	int i;
1171
1172	amdgpu_display_update_priority(adev);
1173
1174	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1175		if (adev->mode_info.crtcs[i]->base.enabled)
1176			num_heads++;
1177	}
1178	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1179		mode = &adev->mode_info.crtcs[i]->base.mode;
1180		lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1181		dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1182					    lb_size, num_heads);
1183	}
1184}
1185
1186static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1187{
1188	int i;
1189	u32 offset, tmp;
1190
1191	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1192		offset = adev->mode_info.audio.pin[i].offset;
1193		tmp = RREG32_AUDIO_ENDPT(offset,
1194					 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1195		if (((tmp &
1196		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1197		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1198			adev->mode_info.audio.pin[i].connected = false;
1199		else
1200			adev->mode_info.audio.pin[i].connected = true;
1201	}
1202}
1203
1204static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1205{
1206	int i;
1207
1208	dce_v11_0_audio_get_connected_pins(adev);
1209
1210	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1211		if (adev->mode_info.audio.pin[i].connected)
1212			return &adev->mode_info.audio.pin[i];
1213	}
1214	DRM_ERROR("No connected audio pins found!\n");
1215	return NULL;
1216}
1217
1218static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1219{
1220	struct amdgpu_device *adev = encoder->dev->dev_private;
1221	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1222	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1223	u32 tmp;
1224
1225	if (!dig || !dig->afmt || !dig->afmt->pin)
1226		return;
1227
1228	tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1229	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1230	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1231}
1232
1233static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1234						struct drm_display_mode *mode)
1235{
1236	struct amdgpu_device *adev = encoder->dev->dev_private;
1237	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1238	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1239	struct drm_connector *connector;
1240	struct amdgpu_connector *amdgpu_connector = NULL;
1241	u32 tmp;
1242	int interlace = 0;
1243
1244	if (!dig || !dig->afmt || !dig->afmt->pin)
1245		return;
1246
1247	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1248		if (connector->encoder == encoder) {
1249			amdgpu_connector = to_amdgpu_connector(connector);
1250			break;
1251		}
1252	}
1253
1254	if (!amdgpu_connector) {
1255		DRM_ERROR("Couldn't find encoder's connector\n");
1256		return;
1257	}
1258
1259	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1260		interlace = 1;
1261	if (connector->latency_present[interlace]) {
1262		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1263				    VIDEO_LIPSYNC, connector->video_latency[interlace]);
1264		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1265				    AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1266	} else {
1267		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1268				    VIDEO_LIPSYNC, 0);
1269		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1270				    AUDIO_LIPSYNC, 0);
1271	}
1272	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1273			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1274}
1275
1276static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1277{
1278	struct amdgpu_device *adev = encoder->dev->dev_private;
1279	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1280	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1281	struct drm_connector *connector;
1282	struct amdgpu_connector *amdgpu_connector = NULL;
1283	u32 tmp;
1284	u8 *sadb = NULL;
1285	int sad_count;
1286
1287	if (!dig || !dig->afmt || !dig->afmt->pin)
1288		return;
1289
1290	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1291		if (connector->encoder == encoder) {
1292			amdgpu_connector = to_amdgpu_connector(connector);
1293			break;
1294		}
1295	}
1296
1297	if (!amdgpu_connector) {
1298		DRM_ERROR("Couldn't find encoder's connector\n");
1299		return;
1300	}
1301
1302	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1303	if (sad_count < 0) {
1304		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1305		sad_count = 0;
1306	}
1307
1308	/* program the speaker allocation */
1309	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1310				 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1311	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1312			    DP_CONNECTION, 0);
1313	/* set HDMI mode */
1314	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1315			    HDMI_CONNECTION, 1);
1316	if (sad_count)
1317		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1318				    SPEAKER_ALLOCATION, sadb[0]);
1319	else
1320		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1321				    SPEAKER_ALLOCATION, 5); /* stereo */
1322	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1323			   ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1324
1325	kfree(sadb);
1326}
1327
1328static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1329{
1330	struct amdgpu_device *adev = encoder->dev->dev_private;
1331	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1332	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1333	struct drm_connector *connector;
1334	struct amdgpu_connector *amdgpu_connector = NULL;
1335	struct cea_sad *sads;
1336	int i, sad_count;
1337
1338	static const u16 eld_reg_to_type[][2] = {
1339		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1340		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1341		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1342		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1343		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1344		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1345		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1346		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1347		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1348		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1349		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1350		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1351	};
1352
1353	if (!dig || !dig->afmt || !dig->afmt->pin)
1354		return;
1355
1356	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1357		if (connector->encoder == encoder) {
1358			amdgpu_connector = to_amdgpu_connector(connector);
1359			break;
1360		}
1361	}
1362
1363	if (!amdgpu_connector) {
1364		DRM_ERROR("Couldn't find encoder's connector\n");
1365		return;
1366	}
1367
1368	sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1369	if (sad_count <= 0) {
1370		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1371		return;
1372	}
1373	BUG_ON(!sads);
1374
1375	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1376		u32 tmp = 0;
1377		u8 stereo_freqs = 0;
1378		int max_channels = -1;
1379		int j;
1380
1381		for (j = 0; j < sad_count; j++) {
1382			struct cea_sad *sad = &sads[j];
1383
1384			if (sad->format == eld_reg_to_type[i][1]) {
1385				if (sad->channels > max_channels) {
1386					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1387							    MAX_CHANNELS, sad->channels);
1388					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1389							    DESCRIPTOR_BYTE_2, sad->byte2);
1390					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1391							    SUPPORTED_FREQUENCIES, sad->freq);
1392					max_channels = sad->channels;
1393				}
1394
1395				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1396					stereo_freqs |= sad->freq;
1397				else
1398					break;
1399			}
1400		}
1401
1402		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1403				    SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1404		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1405	}
1406
1407	kfree(sads);
1408}
1409
1410static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1411				  struct amdgpu_audio_pin *pin,
1412				  bool enable)
1413{
1414	if (!pin)
1415		return;
1416
1417	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1418			   enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1419}
1420
1421static const u32 pin_offsets[] =
1422{
1423	AUD0_REGISTER_OFFSET,
1424	AUD1_REGISTER_OFFSET,
1425	AUD2_REGISTER_OFFSET,
1426	AUD3_REGISTER_OFFSET,
1427	AUD4_REGISTER_OFFSET,
1428	AUD5_REGISTER_OFFSET,
1429	AUD6_REGISTER_OFFSET,
1430	AUD7_REGISTER_OFFSET,
1431};
1432
1433static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1434{
1435	int i;
1436
1437	if (!amdgpu_audio)
1438		return 0;
1439
1440	adev->mode_info.audio.enabled = true;
1441
1442	switch (adev->asic_type) {
1443	case CHIP_CARRIZO:
1444	case CHIP_STONEY:
1445		adev->mode_info.audio.num_pins = 7;
1446		break;
1447	case CHIP_POLARIS10:
1448		adev->mode_info.audio.num_pins = 8;
1449		break;
1450	case CHIP_POLARIS11:
1451	case CHIP_POLARIS12:
1452		adev->mode_info.audio.num_pins = 6;
1453		break;
1454	default:
1455		return -EINVAL;
1456	}
1457
1458	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1459		adev->mode_info.audio.pin[i].channels = -1;
1460		adev->mode_info.audio.pin[i].rate = -1;
1461		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1462		adev->mode_info.audio.pin[i].status_bits = 0;
1463		adev->mode_info.audio.pin[i].category_code = 0;
1464		adev->mode_info.audio.pin[i].connected = false;
1465		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1466		adev->mode_info.audio.pin[i].id = i;
1467		/* disable audio.  it will be set up later */
1468		/* XXX remove once we switch to ip funcs */
1469		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1470	}
1471
1472	return 0;
1473}
1474
1475static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1476{
1477	int i;
1478
1479	if (!amdgpu_audio)
1480		return;
1481
1482	if (!adev->mode_info.audio.enabled)
1483		return;
1484
1485	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1486		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1487
1488	adev->mode_info.audio.enabled = false;
1489}
1490
1491/*
1492 * update the N and CTS parameters for a given pixel clock rate
1493 */
1494static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1495{
1496	struct drm_device *dev = encoder->dev;
1497	struct amdgpu_device *adev = dev->dev_private;
1498	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1499	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1500	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1501	u32 tmp;
1502
1503	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1504	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1505	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1506	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1507	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1508	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1509
1510	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1511	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1512	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1513	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1514	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1515	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1516
1517	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1518	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1519	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1520	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1521	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1522	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1523
1524}
1525
1526/*
1527 * build a HDMI Video Info Frame
1528 */
1529static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1530					       void *buffer, size_t size)
1531{
1532	struct drm_device *dev = encoder->dev;
1533	struct amdgpu_device *adev = dev->dev_private;
1534	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1535	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1536	uint8_t *frame = buffer + 3;
1537	uint8_t *header = buffer;
1538
1539	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1540		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1541	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1542		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1543	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1544		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1545	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1546		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1547}
1548
1549static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1550{
1551	struct drm_device *dev = encoder->dev;
1552	struct amdgpu_device *adev = dev->dev_private;
1553	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1554	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1555	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1556	u32 dto_phase = 24 * 1000;
1557	u32 dto_modulo = clock;
1558	u32 tmp;
1559
1560	if (!dig || !dig->afmt)
1561		return;
1562
1563	/* XXX two dtos; generally use dto0 for hdmi */
1564	/* Express [24MHz / target pixel clock] as an exact rational
1565	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1566	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1567	 */
1568	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1569	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1570			    amdgpu_crtc->crtc_id);
1571	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1572	WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1573	WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1574}
1575
1576/*
1577 * update the info frames with the data from the current display mode
1578 */
1579static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1580				  struct drm_display_mode *mode)
1581{
1582	struct drm_device *dev = encoder->dev;
1583	struct amdgpu_device *adev = dev->dev_private;
1584	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1585	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1586	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1587	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1588	struct hdmi_avi_infoframe frame;
1589	ssize_t err;
1590	u32 tmp;
1591	int bpc = 8;
1592
1593	if (!dig || !dig->afmt)
1594		return;
1595
1596	/* Silent, r600_hdmi_enable will raise WARN for us */
1597	if (!dig->afmt->enabled)
1598		return;
1599
1600	/* hdmi deep color mode general control packets setup, if bpc > 8 */
1601	if (encoder->crtc) {
1602		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1603		bpc = amdgpu_crtc->bpc;
1604	}
1605
1606	/* disable audio prior to setting up hw */
1607	dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1608	dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1609
1610	dce_v11_0_audio_set_dto(encoder, mode->clock);
1611
1612	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1613	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1614	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1615
1616	WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1617
1618	tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1619	switch (bpc) {
1620	case 0:
1621	case 6:
1622	case 8:
1623	case 16:
1624	default:
1625		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1626		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1627		DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1628			  connector->name, bpc);
1629		break;
1630	case 10:
1631		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1632		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1633		DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1634			  connector->name);
1635		break;
1636	case 12:
1637		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1638		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1639		DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1640			  connector->name);
1641		break;
1642	}
1643	WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1644
1645	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1646	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1647	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1648	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1649	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1650
1651	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1652	/* enable audio info frames (frames won't be set until audio is enabled) */
1653	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1654	/* required for audio info values to be updated */
1655	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1656	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1657
1658	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1659	/* required for audio info values to be updated */
1660	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1661	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1662
1663	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1664	/* anything other than 0 */
1665	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1666	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1667
1668	WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1669
1670	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1671	/* set the default audio delay */
1672	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1673	/* should be suffient for all audio modes and small enough for all hblanks */
1674	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1675	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1676
1677	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1678	/* allow 60958 channel status fields to be updated */
1679	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1680	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1681
1682	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1683	if (bpc > 8)
1684		/* clear SW CTS value */
1685		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1686	else
1687		/* select SW CTS value */
1688		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1689	/* allow hw to sent ACR packets when required */
1690	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1691	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1692
1693	dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1694
1695	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1696	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1697	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1698
1699	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1700	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1701	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1702
1703	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1704	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1705	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1706	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1707	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1708	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1709	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1710	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1711
1712	dce_v11_0_audio_write_speaker_allocation(encoder);
1713
1714	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1715	       (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1716
1717	dce_v11_0_afmt_audio_select_pin(encoder);
1718	dce_v11_0_audio_write_sad_regs(encoder);
1719	dce_v11_0_audio_write_latency_fields(encoder, mode);
1720
1721	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, false);
1722	if (err < 0) {
1723		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1724		return;
1725	}
1726
1727	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1728	if (err < 0) {
1729		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1730		return;
1731	}
1732
1733	dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1734
1735	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1736	/* enable AVI info frames */
1737	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1738	/* required for audio info values to be updated */
1739	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1740	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1741
1742	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1743	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1744	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1745
1746	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1747	/* send audio packets */
1748	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1749	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1750
1751	WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1752	WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1753	WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1754	WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1755
1756	/* enable audio after to setting up hw */
1757	dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1758}
1759
1760static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1761{
1762	struct drm_device *dev = encoder->dev;
1763	struct amdgpu_device *adev = dev->dev_private;
1764	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1765	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1766
1767	if (!dig || !dig->afmt)
1768		return;
1769
1770	/* Silent, r600_hdmi_enable will raise WARN for us */
1771	if (enable && dig->afmt->enabled)
1772		return;
1773	if (!enable && !dig->afmt->enabled)
1774		return;
1775
1776	if (!enable && dig->afmt->pin) {
1777		dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1778		dig->afmt->pin = NULL;
1779	}
1780
1781	dig->afmt->enabled = enable;
1782
1783	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1784		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1785}
1786
1787static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1788{
1789	int i;
1790
1791	for (i = 0; i < adev->mode_info.num_dig; i++)
1792		adev->mode_info.afmt[i] = NULL;
1793
1794	/* DCE11 has audio blocks tied to DIG encoders */
1795	for (i = 0; i < adev->mode_info.num_dig; i++) {
1796		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1797		if (adev->mode_info.afmt[i]) {
1798			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1799			adev->mode_info.afmt[i]->id = i;
1800		} else {
1801			int j;
1802			for (j = 0; j < i; j++) {
1803				kfree(adev->mode_info.afmt[j]);
1804				adev->mode_info.afmt[j] = NULL;
1805			}
1806			return -ENOMEM;
1807		}
1808	}
1809	return 0;
1810}
1811
1812static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1813{
1814	int i;
1815
1816	for (i = 0; i < adev->mode_info.num_dig; i++) {
1817		kfree(adev->mode_info.afmt[i]);
1818		adev->mode_info.afmt[i] = NULL;
1819	}
1820}
1821
1822static const u32 vga_control_regs[6] =
1823{
1824	mmD1VGA_CONTROL,
1825	mmD2VGA_CONTROL,
1826	mmD3VGA_CONTROL,
1827	mmD4VGA_CONTROL,
1828	mmD5VGA_CONTROL,
1829	mmD6VGA_CONTROL,
1830};
1831
1832static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
1833{
1834	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1835	struct drm_device *dev = crtc->dev;
1836	struct amdgpu_device *adev = dev->dev_private;
1837	u32 vga_control;
1838
1839	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1840	if (enable)
1841		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1842	else
1843		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1844}
1845
1846static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
1847{
1848	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1849	struct drm_device *dev = crtc->dev;
1850	struct amdgpu_device *adev = dev->dev_private;
1851
1852	if (enable)
1853		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1854	else
1855		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1856}
1857
1858static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
1859				     struct drm_framebuffer *fb,
1860				     int x, int y, int atomic)
1861{
1862	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1863	struct drm_device *dev = crtc->dev;
1864	struct amdgpu_device *adev = dev->dev_private;
1865	struct amdgpu_framebuffer *amdgpu_fb;
1866	struct drm_framebuffer *target_fb;
1867	struct drm_gem_object *obj;
1868	struct amdgpu_bo *abo;
1869	uint64_t fb_location, tiling_flags;
1870	uint32_t fb_format, fb_pitch_pixels;
1871	u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1872	u32 pipe_config;
1873	u32 tmp, viewport_w, viewport_h;
1874	int r;
1875	bool bypass_lut = false;
1876	struct drm_format_name_buf format_name;
1877
1878	/* no fb bound */
1879	if (!atomic && !crtc->primary->fb) {
1880		DRM_DEBUG_KMS("No FB bound\n");
1881		return 0;
1882	}
1883
1884	if (atomic) {
1885		amdgpu_fb = to_amdgpu_framebuffer(fb);
1886		target_fb = fb;
1887	} else {
1888		amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
1889		target_fb = crtc->primary->fb;
1890	}
1891
1892	/* If atomic, assume fb object is pinned & idle & fenced and
1893	 * just update base pointers
1894	 */
1895	obj = amdgpu_fb->obj;
1896	abo = gem_to_amdgpu_bo(obj);
1897	r = amdgpu_bo_reserve(abo, false);
1898	if (unlikely(r != 0))
1899		return r;
1900
1901	if (atomic) {
1902		fb_location = amdgpu_bo_gpu_offset(abo);
1903	} else {
1904		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location);
1905		if (unlikely(r != 0)) {
1906			amdgpu_bo_unreserve(abo);
1907			return -EINVAL;
1908		}
1909	}
1910
1911	amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1912	amdgpu_bo_unreserve(abo);
1913
1914	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1915
1916	switch (target_fb->format->format) {
1917	case DRM_FORMAT_C8:
1918		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1919		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1920		break;
1921	case DRM_FORMAT_XRGB4444:
1922	case DRM_FORMAT_ARGB4444:
1923		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1924		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1925#ifdef __BIG_ENDIAN
1926		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1927					ENDIAN_8IN16);
1928#endif
1929		break;
1930	case DRM_FORMAT_XRGB1555:
1931	case DRM_FORMAT_ARGB1555:
1932		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1933		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1934#ifdef __BIG_ENDIAN
1935		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1936					ENDIAN_8IN16);
1937#endif
1938		break;
1939	case DRM_FORMAT_BGRX5551:
1940	case DRM_FORMAT_BGRA5551:
1941		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1942		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1943#ifdef __BIG_ENDIAN
1944		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1945					ENDIAN_8IN16);
1946#endif
1947		break;
1948	case DRM_FORMAT_RGB565:
1949		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1950		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1951#ifdef __BIG_ENDIAN
1952		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1953					ENDIAN_8IN16);
1954#endif
1955		break;
1956	case DRM_FORMAT_XRGB8888:
1957	case DRM_FORMAT_ARGB8888:
1958		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1959		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1960#ifdef __BIG_ENDIAN
1961		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1962					ENDIAN_8IN32);
1963#endif
1964		break;
1965	case DRM_FORMAT_XRGB2101010:
1966	case DRM_FORMAT_ARGB2101010:
1967		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1968		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1969#ifdef __BIG_ENDIAN
1970		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1971					ENDIAN_8IN32);
1972#endif
1973		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1974		bypass_lut = true;
1975		break;
1976	case DRM_FORMAT_BGRX1010102:
1977	case DRM_FORMAT_BGRA1010102:
1978		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1979		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
1980#ifdef __BIG_ENDIAN
1981		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1982					ENDIAN_8IN32);
1983#endif
1984		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1985		bypass_lut = true;
1986		break;
1987	default:
1988		DRM_ERROR("Unsupported screen format %s\n",
1989		          drm_get_format_name(target_fb->format->format, &format_name));
1990		return -EINVAL;
1991	}
1992
1993	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1994		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1995
1996		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1997		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1998		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1999		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2000		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2001
2002		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2003		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2004					  ARRAY_2D_TILED_THIN1);
2005		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2006					  tile_split);
2007		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2008		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2009		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2010					  mtaspect);
2011		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2012					  ADDR_SURF_MICRO_TILING_DISPLAY);
2013	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2014		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2015					  ARRAY_1D_TILED_THIN1);
2016	}
2017
2018	fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2019				  pipe_config);
2020
2021	dce_v11_0_vga_enable(crtc, false);
2022
2023	/* Make sure surface address is updated at vertical blank rather than
2024	 * horizontal blank
2025	 */
2026	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2027	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2028			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2029	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2030
2031	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2032	       upper_32_bits(fb_location));
2033	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2034	       upper_32_bits(fb_location));
2035	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2036	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2037	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2038	       (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2039	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2040	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2041
2042	/*
2043	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2044	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2045	 * retain the full precision throughout the pipeline.
2046	 */
2047	tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2048	if (bypass_lut)
2049		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2050	else
2051		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2052	WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2053
2054	if (bypass_lut)
2055		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2056
2057	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2058	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2059	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2060	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2061	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2062	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2063
2064	fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2065	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2066
2067	dce_v11_0_grph_enable(crtc, true);
2068
2069	WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2070	       target_fb->height);
2071
2072	x &= ~3;
2073	y &= ~1;
2074	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2075	       (x << 16) | y);
2076	viewport_w = crtc->mode.hdisplay;
2077	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2078	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2079	       (viewport_w << 16) | viewport_h);
2080
2081	/* set pageflip to happen anywhere in vblank interval */
2082	WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
 
 
 
 
 
 
 
2083
2084	if (!atomic && fb && fb != crtc->primary->fb) {
2085		amdgpu_fb = to_amdgpu_framebuffer(fb);
2086		abo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2087		r = amdgpu_bo_reserve(abo, true);
2088		if (unlikely(r != 0))
2089			return r;
2090		amdgpu_bo_unpin(abo);
2091		amdgpu_bo_unreserve(abo);
2092	}
2093
2094	/* Bytes per pixel may have changed */
2095	dce_v11_0_bandwidth_update(adev);
2096
2097	return 0;
2098}
2099
2100static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2101				     struct drm_display_mode *mode)
2102{
2103	struct drm_device *dev = crtc->dev;
2104	struct amdgpu_device *adev = dev->dev_private;
2105	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2106	u32 tmp;
2107
2108	tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2109	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2110		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2111	else
2112		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2113	WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2114}
2115
2116static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2117{
2118	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2119	struct drm_device *dev = crtc->dev;
2120	struct amdgpu_device *adev = dev->dev_private;
2121	u16 *r, *g, *b;
2122	int i;
2123	u32 tmp;
2124
2125	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2126
2127	tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2128	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2129	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2130
2131	tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2132	tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2133	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2134
2135	tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2136	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2137	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2138
2139	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2140
2141	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2142	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2143	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2144
2145	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2146	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2147	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2148
2149	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2150	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2151
2152	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2153	r = crtc->gamma_store;
2154	g = r + crtc->gamma_size;
2155	b = g + crtc->gamma_size;
2156	for (i = 0; i < 256; i++) {
2157		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2158		       ((*r++ & 0xffc0) << 14) |
2159		       ((*g++ & 0xffc0) << 4) |
2160		       (*b++ >> 6));
2161	}
2162
2163	tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2164	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2165	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2166	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2167	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2168
2169	tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2170	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2171	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2172
2173	tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2174	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2175	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2176
2177	tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2178	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2179	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2180
2181	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2182	WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2183	/* XXX this only needs to be programmed once per crtc at startup,
2184	 * not sure where the best place for it is
2185	 */
2186	tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2187	tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2188	WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2189}
2190
2191static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2192{
2193	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2194	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2195
2196	switch (amdgpu_encoder->encoder_id) {
2197	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2198		if (dig->linkb)
2199			return 1;
2200		else
2201			return 0;
2202		break;
2203	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2204		if (dig->linkb)
2205			return 3;
2206		else
2207			return 2;
2208		break;
2209	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2210		if (dig->linkb)
2211			return 5;
2212		else
2213			return 4;
2214		break;
2215	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2216		return 6;
2217		break;
2218	default:
2219		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2220		return 0;
2221	}
2222}
2223
2224/**
2225 * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2226 *
2227 * @crtc: drm crtc
2228 *
2229 * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2230 * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2231 * monitors a dedicated PPLL must be used.  If a particular board has
2232 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2233 * as there is no need to program the PLL itself.  If we are not able to
2234 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2235 * avoid messing up an existing monitor.
2236 *
2237 * Asic specific PLL information
2238 *
2239 * DCE 10.x
2240 * Tonga
2241 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2242 * CI
2243 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2244 *
2245 */
2246static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2247{
2248	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2249	struct drm_device *dev = crtc->dev;
2250	struct amdgpu_device *adev = dev->dev_private;
2251	u32 pll_in_use;
2252	int pll;
2253
2254	if ((adev->asic_type == CHIP_POLARIS10) ||
2255	    (adev->asic_type == CHIP_POLARIS11) ||
2256	    (adev->asic_type == CHIP_POLARIS12)) {
2257		struct amdgpu_encoder *amdgpu_encoder =
2258			to_amdgpu_encoder(amdgpu_crtc->encoder);
2259		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2260
2261		if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2262			return ATOM_DP_DTO;
2263
2264		switch (amdgpu_encoder->encoder_id) {
2265		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2266			if (dig->linkb)
2267				return ATOM_COMBOPHY_PLL1;
2268			else
2269				return ATOM_COMBOPHY_PLL0;
2270			break;
2271		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2272			if (dig->linkb)
2273				return ATOM_COMBOPHY_PLL3;
2274			else
2275				return ATOM_COMBOPHY_PLL2;
2276			break;
2277		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2278			if (dig->linkb)
2279				return ATOM_COMBOPHY_PLL5;
2280			else
2281				return ATOM_COMBOPHY_PLL4;
2282			break;
2283		default:
2284			DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2285			return ATOM_PPLL_INVALID;
2286		}
2287	}
2288
2289	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2290		if (adev->clock.dp_extclk)
2291			/* skip PPLL programming if using ext clock */
2292			return ATOM_PPLL_INVALID;
2293		else {
2294			/* use the same PPLL for all DP monitors */
2295			pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2296			if (pll != ATOM_PPLL_INVALID)
2297				return pll;
2298		}
2299	} else {
2300		/* use the same PPLL for all monitors with the same clock */
2301		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2302		if (pll != ATOM_PPLL_INVALID)
2303			return pll;
2304	}
2305
2306	/* XXX need to determine what plls are available on each DCE11 part */
2307	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2308	if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) {
2309		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2310			return ATOM_PPLL1;
2311		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2312			return ATOM_PPLL0;
2313		DRM_ERROR("unable to allocate a PPLL\n");
2314		return ATOM_PPLL_INVALID;
2315	} else {
2316		if (!(pll_in_use & (1 << ATOM_PPLL2)))
2317			return ATOM_PPLL2;
2318		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2319			return ATOM_PPLL1;
2320		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2321			return ATOM_PPLL0;
2322		DRM_ERROR("unable to allocate a PPLL\n");
2323		return ATOM_PPLL_INVALID;
2324	}
2325	return ATOM_PPLL_INVALID;
2326}
2327
2328static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2329{
2330	struct amdgpu_device *adev = crtc->dev->dev_private;
2331	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2332	uint32_t cur_lock;
2333
2334	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2335	if (lock)
2336		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2337	else
2338		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2339	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2340}
2341
2342static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2343{
2344	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2345	struct amdgpu_device *adev = crtc->dev->dev_private;
2346	u32 tmp;
2347
2348	tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2349	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2350	WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2351}
2352
2353static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2354{
2355	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2356	struct amdgpu_device *adev = crtc->dev->dev_private;
2357	u32 tmp;
2358
2359	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2360	       upper_32_bits(amdgpu_crtc->cursor_addr));
2361	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2362	       lower_32_bits(amdgpu_crtc->cursor_addr));
2363
2364	tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2365	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2366	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2367	WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2368}
2369
2370static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2371					int x, int y)
2372{
2373	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2374	struct amdgpu_device *adev = crtc->dev->dev_private;
2375	int xorigin = 0, yorigin = 0;
2376
2377	amdgpu_crtc->cursor_x = x;
2378	amdgpu_crtc->cursor_y = y;
2379
2380	/* avivo cursor are offset into the total surface */
2381	x += crtc->x;
2382	y += crtc->y;
2383	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2384
2385	if (x < 0) {
2386		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2387		x = 0;
2388	}
2389	if (y < 0) {
2390		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2391		y = 0;
2392	}
2393
2394	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2395	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2396	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2397	       ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2398
 
 
 
2399	return 0;
2400}
2401
2402static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2403				      int x, int y)
2404{
2405	int ret;
2406
2407	dce_v11_0_lock_cursor(crtc, true);
2408	ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2409	dce_v11_0_lock_cursor(crtc, false);
2410
2411	return ret;
2412}
2413
2414static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2415				      struct drm_file *file_priv,
2416				      uint32_t handle,
2417				      uint32_t width,
2418				      uint32_t height,
2419				      int32_t hot_x,
2420				      int32_t hot_y)
2421{
2422	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2423	struct drm_gem_object *obj;
2424	struct amdgpu_bo *aobj;
2425	int ret;
2426
2427	if (!handle) {
2428		/* turn off cursor */
2429		dce_v11_0_hide_cursor(crtc);
2430		obj = NULL;
2431		goto unpin;
2432	}
2433
2434	if ((width > amdgpu_crtc->max_cursor_width) ||
2435	    (height > amdgpu_crtc->max_cursor_height)) {
2436		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2437		return -EINVAL;
2438	}
2439
2440	obj = drm_gem_object_lookup(file_priv, handle);
2441	if (!obj) {
2442		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2443		return -ENOENT;
2444	}
2445
2446	aobj = gem_to_amdgpu_bo(obj);
2447	ret = amdgpu_bo_reserve(aobj, false);
2448	if (ret != 0) {
2449		drm_gem_object_put_unlocked(obj);
2450		return ret;
2451	}
2452
2453	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM, &amdgpu_crtc->cursor_addr);
2454	amdgpu_bo_unreserve(aobj);
2455	if (ret) {
2456		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2457		drm_gem_object_put_unlocked(obj);
2458		return ret;
2459	}
2460
 
 
 
2461	dce_v11_0_lock_cursor(crtc, true);
2462
2463	if (width != amdgpu_crtc->cursor_width ||
2464	    height != amdgpu_crtc->cursor_height ||
2465	    hot_x != amdgpu_crtc->cursor_hot_x ||
2466	    hot_y != amdgpu_crtc->cursor_hot_y) {
2467		int x, y;
2468
2469		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2470		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2471
2472		dce_v11_0_cursor_move_locked(crtc, x, y);
2473
2474		amdgpu_crtc->cursor_width = width;
2475		amdgpu_crtc->cursor_height = height;
2476		amdgpu_crtc->cursor_hot_x = hot_x;
2477		amdgpu_crtc->cursor_hot_y = hot_y;
2478	}
2479
2480	dce_v11_0_show_cursor(crtc);
2481	dce_v11_0_lock_cursor(crtc, false);
2482
2483unpin:
2484	if (amdgpu_crtc->cursor_bo) {
2485		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2486		ret = amdgpu_bo_reserve(aobj, true);
2487		if (likely(ret == 0)) {
2488			amdgpu_bo_unpin(aobj);
2489			amdgpu_bo_unreserve(aobj);
2490		}
2491		drm_gem_object_put_unlocked(amdgpu_crtc->cursor_bo);
2492	}
2493
2494	amdgpu_crtc->cursor_bo = obj;
2495	return 0;
2496}
2497
2498static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2499{
2500	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2501
2502	if (amdgpu_crtc->cursor_bo) {
2503		dce_v11_0_lock_cursor(crtc, true);
2504
2505		dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2506					     amdgpu_crtc->cursor_y);
2507
2508		dce_v11_0_show_cursor(crtc);
2509
2510		dce_v11_0_lock_cursor(crtc, false);
2511	}
2512}
2513
2514static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2515				    u16 *blue, uint32_t size,
2516				    struct drm_modeset_acquire_ctx *ctx)
2517{
2518	dce_v11_0_crtc_load_lut(crtc);
 
2519
2520	return 0;
 
 
 
 
 
 
2521}
2522
2523static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2524{
2525	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2526
2527	drm_crtc_cleanup(crtc);
2528	kfree(amdgpu_crtc);
2529}
2530
2531static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2532	.cursor_set2 = dce_v11_0_crtc_cursor_set2,
2533	.cursor_move = dce_v11_0_crtc_cursor_move,
2534	.gamma_set = dce_v11_0_crtc_gamma_set,
2535	.set_config = amdgpu_display_crtc_set_config,
2536	.destroy = dce_v11_0_crtc_destroy,
2537	.page_flip_target = amdgpu_display_crtc_page_flip_target,
2538};
2539
2540static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2541{
2542	struct drm_device *dev = crtc->dev;
2543	struct amdgpu_device *adev = dev->dev_private;
2544	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2545	unsigned type;
2546
2547	switch (mode) {
2548	case DRM_MODE_DPMS_ON:
2549		amdgpu_crtc->enabled = true;
2550		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2551		dce_v11_0_vga_enable(crtc, true);
2552		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2553		dce_v11_0_vga_enable(crtc, false);
2554		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2555		type = amdgpu_display_crtc_idx_to_irq_type(adev,
2556						amdgpu_crtc->crtc_id);
2557		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2558		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2559		drm_crtc_vblank_on(crtc);
2560		dce_v11_0_crtc_load_lut(crtc);
2561		break;
2562	case DRM_MODE_DPMS_STANDBY:
2563	case DRM_MODE_DPMS_SUSPEND:
2564	case DRM_MODE_DPMS_OFF:
2565		drm_crtc_vblank_off(crtc);
2566		if (amdgpu_crtc->enabled) {
2567			dce_v11_0_vga_enable(crtc, true);
2568			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2569			dce_v11_0_vga_enable(crtc, false);
2570		}
2571		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2572		amdgpu_crtc->enabled = false;
2573		break;
2574	}
2575	/* adjust pm to dpms */
2576	amdgpu_pm_compute_clocks(adev);
2577}
2578
2579static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2580{
2581	/* disable crtc pair power gating before programming */
2582	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2583	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2584	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2585}
2586
2587static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2588{
2589	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2590	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2591}
2592
2593static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2594{
2595	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2596	struct drm_device *dev = crtc->dev;
2597	struct amdgpu_device *adev = dev->dev_private;
2598	struct amdgpu_atom_ss ss;
2599	int i;
2600
2601	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2602	if (crtc->primary->fb) {
2603		int r;
2604		struct amdgpu_framebuffer *amdgpu_fb;
2605		struct amdgpu_bo *abo;
2606
2607		amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2608		abo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2609		r = amdgpu_bo_reserve(abo, true);
2610		if (unlikely(r))
2611			DRM_ERROR("failed to reserve abo before unpin\n");
2612		else {
2613			amdgpu_bo_unpin(abo);
2614			amdgpu_bo_unreserve(abo);
2615		}
2616	}
2617	/* disable the GRPH */
2618	dce_v11_0_grph_enable(crtc, false);
2619
2620	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2621
2622	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2623		if (adev->mode_info.crtcs[i] &&
2624		    adev->mode_info.crtcs[i]->enabled &&
2625		    i != amdgpu_crtc->crtc_id &&
2626		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2627			/* one other crtc is using this pll don't turn
2628			 * off the pll
2629			 */
2630			goto done;
2631		}
2632	}
2633
2634	switch (amdgpu_crtc->pll_id) {
2635	case ATOM_PPLL0:
2636	case ATOM_PPLL1:
2637	case ATOM_PPLL2:
2638		/* disable the ppll */
2639		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2640						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2641		break;
2642	case ATOM_COMBOPHY_PLL0:
2643	case ATOM_COMBOPHY_PLL1:
2644	case ATOM_COMBOPHY_PLL2:
2645	case ATOM_COMBOPHY_PLL3:
2646	case ATOM_COMBOPHY_PLL4:
2647	case ATOM_COMBOPHY_PLL5:
2648		/* disable the ppll */
2649		amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id,
2650						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2651		break;
2652	default:
2653		break;
2654	}
2655done:
2656	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2657	amdgpu_crtc->adjusted_clock = 0;
2658	amdgpu_crtc->encoder = NULL;
2659	amdgpu_crtc->connector = NULL;
2660}
2661
2662static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2663				  struct drm_display_mode *mode,
2664				  struct drm_display_mode *adjusted_mode,
2665				  int x, int y, struct drm_framebuffer *old_fb)
2666{
2667	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2668	struct drm_device *dev = crtc->dev;
2669	struct amdgpu_device *adev = dev->dev_private;
2670
2671	if (!amdgpu_crtc->adjusted_clock)
2672		return -EINVAL;
2673
2674	if ((adev->asic_type == CHIP_POLARIS10) ||
2675	    (adev->asic_type == CHIP_POLARIS11) ||
2676	    (adev->asic_type == CHIP_POLARIS12)) {
2677		struct amdgpu_encoder *amdgpu_encoder =
2678			to_amdgpu_encoder(amdgpu_crtc->encoder);
2679		int encoder_mode =
2680			amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder);
2681
2682		/* SetPixelClock calculates the plls and ss values now */
2683		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id,
2684						 amdgpu_crtc->pll_id,
2685						 encoder_mode, amdgpu_encoder->encoder_id,
2686						 adjusted_mode->clock, 0, 0, 0, 0,
2687						 amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss);
2688	} else {
2689		amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2690	}
2691	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2692	dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2693	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2694	amdgpu_atombios_crtc_scaler_setup(crtc);
2695	dce_v11_0_cursor_reset(crtc);
2696	/* update the hw version fpr dpm */
2697	amdgpu_crtc->hw_mode = *adjusted_mode;
2698
2699	return 0;
2700}
2701
2702static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2703				     const struct drm_display_mode *mode,
2704				     struct drm_display_mode *adjusted_mode)
2705{
2706	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2707	struct drm_device *dev = crtc->dev;
2708	struct drm_encoder *encoder;
2709
2710	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2711	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2712		if (encoder->crtc == crtc) {
2713			amdgpu_crtc->encoder = encoder;
2714			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2715			break;
2716		}
2717	}
2718	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2719		amdgpu_crtc->encoder = NULL;
2720		amdgpu_crtc->connector = NULL;
2721		return false;
2722	}
2723	if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2724		return false;
2725	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2726		return false;
2727	/* pick pll */
2728	amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2729	/* if we can't get a PPLL for a non-DP encoder, fail */
2730	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2731	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2732		return false;
2733
2734	return true;
2735}
2736
2737static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2738				  struct drm_framebuffer *old_fb)
2739{
2740	return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2741}
2742
2743static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2744					 struct drm_framebuffer *fb,
2745					 int x, int y, enum mode_set_atomic state)
2746{
2747       return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2748}
2749
2750static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2751	.dpms = dce_v11_0_crtc_dpms,
2752	.mode_fixup = dce_v11_0_crtc_mode_fixup,
2753	.mode_set = dce_v11_0_crtc_mode_set,
2754	.mode_set_base = dce_v11_0_crtc_set_base,
2755	.mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2756	.prepare = dce_v11_0_crtc_prepare,
2757	.commit = dce_v11_0_crtc_commit,
 
2758	.disable = dce_v11_0_crtc_disable,
2759};
2760
2761static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2762{
2763	struct amdgpu_crtc *amdgpu_crtc;
 
2764
2765	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2766			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2767	if (amdgpu_crtc == NULL)
2768		return -ENOMEM;
2769
2770	drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2771
2772	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2773	amdgpu_crtc->crtc_id = index;
2774	adev->mode_info.crtcs[index] = amdgpu_crtc;
2775
2776	amdgpu_crtc->max_cursor_width = 128;
2777	amdgpu_crtc->max_cursor_height = 128;
2778	adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2779	adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2780
 
 
 
 
 
 
2781	switch (amdgpu_crtc->crtc_id) {
2782	case 0:
2783	default:
2784		amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2785		break;
2786	case 1:
2787		amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2788		break;
2789	case 2:
2790		amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2791		break;
2792	case 3:
2793		amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2794		break;
2795	case 4:
2796		amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2797		break;
2798	case 5:
2799		amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2800		break;
2801	}
2802
2803	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2804	amdgpu_crtc->adjusted_clock = 0;
2805	amdgpu_crtc->encoder = NULL;
2806	amdgpu_crtc->connector = NULL;
2807	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2808
2809	return 0;
2810}
2811
2812static int dce_v11_0_early_init(void *handle)
2813{
2814	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2815
2816	adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2817	adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2818
2819	dce_v11_0_set_display_funcs(adev);
2820
2821	adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev);
2822
2823	switch (adev->asic_type) {
2824	case CHIP_CARRIZO:
 
2825		adev->mode_info.num_hpd = 6;
2826		adev->mode_info.num_dig = 9;
2827		break;
2828	case CHIP_STONEY:
 
2829		adev->mode_info.num_hpd = 6;
2830		adev->mode_info.num_dig = 9;
2831		break;
2832	case CHIP_POLARIS10:
2833		adev->mode_info.num_hpd = 6;
2834		adev->mode_info.num_dig = 6;
2835		break;
2836	case CHIP_POLARIS11:
2837	case CHIP_POLARIS12:
2838		adev->mode_info.num_hpd = 5;
2839		adev->mode_info.num_dig = 5;
2840		break;
2841	default:
2842		/* FIXME: not supported yet */
2843		return -EINVAL;
2844	}
2845
2846	dce_v11_0_set_irq_funcs(adev);
2847
2848	return 0;
2849}
2850
2851static int dce_v11_0_sw_init(void *handle)
2852{
2853	int r, i;
2854	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2855
2856	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2857		r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2858		if (r)
2859			return r;
2860	}
2861
2862	for (i = 8; i < 20; i += 2) {
2863		r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2864		if (r)
2865			return r;
2866	}
2867
2868	/* HPD hotplug */
2869	r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2870	if (r)
2871		return r;
2872
2873	adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2874
2875	adev->ddev->mode_config.async_page_flip = true;
2876
2877	adev->ddev->mode_config.max_width = 16384;
2878	adev->ddev->mode_config.max_height = 16384;
2879
2880	adev->ddev->mode_config.preferred_depth = 24;
2881	adev->ddev->mode_config.prefer_shadow = 1;
2882
2883	adev->ddev->mode_config.fb_base = adev->gmc.aper_base;
2884
2885	r = amdgpu_display_modeset_create_props(adev);
2886	if (r)
2887		return r;
2888
2889	adev->ddev->mode_config.max_width = 16384;
2890	adev->ddev->mode_config.max_height = 16384;
2891
2892
2893	/* allocate crtcs */
2894	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2895		r = dce_v11_0_crtc_init(adev, i);
2896		if (r)
2897			return r;
2898	}
2899
2900	if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2901		amdgpu_display_print_display_setup(adev->ddev);
2902	else
2903		return -EINVAL;
2904
2905	/* setup afmt */
2906	r = dce_v11_0_afmt_init(adev);
2907	if (r)
2908		return r;
2909
2910	r = dce_v11_0_audio_init(adev);
2911	if (r)
2912		return r;
2913
2914	drm_kms_helper_poll_init(adev->ddev);
2915
2916	adev->mode_info.mode_config_initialized = true;
2917	return 0;
2918}
2919
2920static int dce_v11_0_sw_fini(void *handle)
2921{
2922	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2923
2924	kfree(adev->mode_info.bios_hardcoded_edid);
2925
2926	drm_kms_helper_poll_fini(adev->ddev);
2927
2928	dce_v11_0_audio_fini(adev);
2929
2930	dce_v11_0_afmt_fini(adev);
2931
2932	drm_mode_config_cleanup(adev->ddev);
2933	adev->mode_info.mode_config_initialized = false;
2934
2935	return 0;
2936}
2937
2938static int dce_v11_0_hw_init(void *handle)
2939{
2940	int i;
2941	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2942
2943	dce_v11_0_init_golden_registers(adev);
2944
2945	/* disable vga render */
2946	dce_v11_0_set_vga_render_state(adev, false);
2947	/* init dig PHYs, disp eng pll */
2948	amdgpu_atombios_crtc_powergate_init(adev);
2949	amdgpu_atombios_encoder_init_dig(adev);
2950	if ((adev->asic_type == CHIP_POLARIS10) ||
2951	    (adev->asic_type == CHIP_POLARIS11) ||
2952	    (adev->asic_type == CHIP_POLARIS12)) {
2953		amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
2954						   DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
2955		amdgpu_atombios_crtc_set_dce_clock(adev, 0,
2956						   DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
2957	} else {
2958		amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2959	}
2960
2961	/* initialize hpd */
2962	dce_v11_0_hpd_init(adev);
2963
2964	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2965		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2966	}
2967
2968	dce_v11_0_pageflip_interrupt_init(adev);
2969
2970	return 0;
2971}
2972
2973static int dce_v11_0_hw_fini(void *handle)
2974{
2975	int i;
2976	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2977
2978	dce_v11_0_hpd_fini(adev);
2979
2980	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2981		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2982	}
2983
2984	dce_v11_0_pageflip_interrupt_fini(adev);
2985
2986	return 0;
2987}
2988
2989static int dce_v11_0_suspend(void *handle)
2990{
2991	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2992
2993	adev->mode_info.bl_level =
2994		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2995
2996	return dce_v11_0_hw_fini(handle);
2997}
2998
2999static int dce_v11_0_resume(void *handle)
3000{
3001	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3002	int ret;
3003
3004	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
3005							   adev->mode_info.bl_level);
3006
3007	ret = dce_v11_0_hw_init(handle);
3008
 
 
3009	/* turn on the BL */
3010	if (adev->mode_info.bl_encoder) {
3011		u8 bl_level = amdgpu_display_backlight_get_level(adev,
3012								  adev->mode_info.bl_encoder);
3013		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3014						    bl_level);
3015	}
3016
3017	return ret;
3018}
3019
3020static bool dce_v11_0_is_idle(void *handle)
3021{
3022	return true;
3023}
3024
3025static int dce_v11_0_wait_for_idle(void *handle)
3026{
3027	return 0;
3028}
3029
 
 
 
 
 
 
 
 
3030static int dce_v11_0_soft_reset(void *handle)
3031{
3032	u32 srbm_soft_reset = 0, tmp;
3033	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3034
3035	if (dce_v11_0_is_display_hung(adev))
3036		srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3037
3038	if (srbm_soft_reset) {
 
 
3039		tmp = RREG32(mmSRBM_SOFT_RESET);
3040		tmp |= srbm_soft_reset;
3041		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3042		WREG32(mmSRBM_SOFT_RESET, tmp);
3043		tmp = RREG32(mmSRBM_SOFT_RESET);
3044
3045		udelay(50);
3046
3047		tmp &= ~srbm_soft_reset;
3048		WREG32(mmSRBM_SOFT_RESET, tmp);
3049		tmp = RREG32(mmSRBM_SOFT_RESET);
3050
3051		/* Wait a little for things to settle down */
3052		udelay(50);
 
3053	}
3054	return 0;
3055}
3056
3057static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3058						     int crtc,
3059						     enum amdgpu_interrupt_state state)
3060{
3061	u32 lb_interrupt_mask;
3062
3063	if (crtc >= adev->mode_info.num_crtc) {
3064		DRM_DEBUG("invalid crtc %d\n", crtc);
3065		return;
3066	}
3067
3068	switch (state) {
3069	case AMDGPU_IRQ_STATE_DISABLE:
3070		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3071		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3072						  VBLANK_INTERRUPT_MASK, 0);
3073		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3074		break;
3075	case AMDGPU_IRQ_STATE_ENABLE:
3076		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3077		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3078						  VBLANK_INTERRUPT_MASK, 1);
3079		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3080		break;
3081	default:
3082		break;
3083	}
3084}
3085
3086static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3087						    int crtc,
3088						    enum amdgpu_interrupt_state state)
3089{
3090	u32 lb_interrupt_mask;
3091
3092	if (crtc >= adev->mode_info.num_crtc) {
3093		DRM_DEBUG("invalid crtc %d\n", crtc);
3094		return;
3095	}
3096
3097	switch (state) {
3098	case AMDGPU_IRQ_STATE_DISABLE:
3099		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3100		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3101						  VLINE_INTERRUPT_MASK, 0);
3102		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3103		break;
3104	case AMDGPU_IRQ_STATE_ENABLE:
3105		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3106		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3107						  VLINE_INTERRUPT_MASK, 1);
3108		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3109		break;
3110	default:
3111		break;
3112	}
3113}
3114
3115static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3116					struct amdgpu_irq_src *source,
3117					unsigned hpd,
3118					enum amdgpu_interrupt_state state)
3119{
3120	u32 tmp;
3121
3122	if (hpd >= adev->mode_info.num_hpd) {
3123		DRM_DEBUG("invalid hdp %d\n", hpd);
3124		return 0;
3125	}
3126
3127	switch (state) {
3128	case AMDGPU_IRQ_STATE_DISABLE:
3129		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3130		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3131		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3132		break;
3133	case AMDGPU_IRQ_STATE_ENABLE:
3134		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3135		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3136		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3137		break;
3138	default:
3139		break;
3140	}
3141
3142	return 0;
3143}
3144
3145static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3146					struct amdgpu_irq_src *source,
3147					unsigned type,
3148					enum amdgpu_interrupt_state state)
3149{
3150	switch (type) {
3151	case AMDGPU_CRTC_IRQ_VBLANK1:
3152		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3153		break;
3154	case AMDGPU_CRTC_IRQ_VBLANK2:
3155		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3156		break;
3157	case AMDGPU_CRTC_IRQ_VBLANK3:
3158		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3159		break;
3160	case AMDGPU_CRTC_IRQ_VBLANK4:
3161		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3162		break;
3163	case AMDGPU_CRTC_IRQ_VBLANK5:
3164		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3165		break;
3166	case AMDGPU_CRTC_IRQ_VBLANK6:
3167		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3168		break;
3169	case AMDGPU_CRTC_IRQ_VLINE1:
3170		dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3171		break;
3172	case AMDGPU_CRTC_IRQ_VLINE2:
3173		dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3174		break;
3175	case AMDGPU_CRTC_IRQ_VLINE3:
3176		dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3177		break;
3178	case AMDGPU_CRTC_IRQ_VLINE4:
3179		dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3180		break;
3181	case AMDGPU_CRTC_IRQ_VLINE5:
3182		dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3183		break;
3184	 case AMDGPU_CRTC_IRQ_VLINE6:
3185		dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3186		break;
3187	default:
3188		break;
3189	}
3190	return 0;
3191}
3192
3193static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3194					    struct amdgpu_irq_src *src,
3195					    unsigned type,
3196					    enum amdgpu_interrupt_state state)
3197{
3198	u32 reg;
3199
3200	if (type >= adev->mode_info.num_crtc) {
3201		DRM_ERROR("invalid pageflip crtc %d\n", type);
3202		return -EINVAL;
3203	}
3204
3205	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3206	if (state == AMDGPU_IRQ_STATE_DISABLE)
3207		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3208		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3209	else
3210		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3211		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3212
3213	return 0;
3214}
3215
3216static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3217				  struct amdgpu_irq_src *source,
3218				  struct amdgpu_iv_entry *entry)
3219{
3220	unsigned long flags;
3221	unsigned crtc_id;
3222	struct amdgpu_crtc *amdgpu_crtc;
3223	struct amdgpu_flip_work *works;
3224
3225	crtc_id = (entry->src_id - 8) >> 1;
3226	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3227
3228	if (crtc_id >= adev->mode_info.num_crtc) {
3229		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3230		return -EINVAL;
3231	}
3232
3233	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3234	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3235		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3236		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3237
3238	/* IRQ could occur when in initial stage */
3239	if(amdgpu_crtc == NULL)
3240		return 0;
3241
3242	spin_lock_irqsave(&adev->ddev->event_lock, flags);
3243	works = amdgpu_crtc->pflip_works;
3244	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3245		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3246						 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3247						 amdgpu_crtc->pflip_status,
3248						 AMDGPU_FLIP_SUBMITTED);
3249		spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3250		return 0;
3251	}
3252
3253	/* page flip completed. clean up */
3254	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3255	amdgpu_crtc->pflip_works = NULL;
3256
3257	/* wakeup usersapce */
3258	if(works->event)
3259		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3260
3261	spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3262
3263	drm_crtc_vblank_put(&amdgpu_crtc->base);
3264	schedule_work(&works->unpin_work);
3265
3266	return 0;
3267}
3268
3269static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3270				  int hpd)
3271{
3272	u32 tmp;
3273
3274	if (hpd >= adev->mode_info.num_hpd) {
3275		DRM_DEBUG("invalid hdp %d\n", hpd);
3276		return;
3277	}
3278
3279	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3280	tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3281	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3282}
3283
3284static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3285					  int crtc)
3286{
3287	u32 tmp;
3288
3289	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3290		DRM_DEBUG("invalid crtc %d\n", crtc);
3291		return;
3292	}
3293
3294	tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3295	tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3296	WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3297}
3298
3299static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3300					 int crtc)
3301{
3302	u32 tmp;
3303
3304	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3305		DRM_DEBUG("invalid crtc %d\n", crtc);
3306		return;
3307	}
3308
3309	tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3310	tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3311	WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3312}
3313
3314static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3315				struct amdgpu_irq_src *source,
3316				struct amdgpu_iv_entry *entry)
3317{
3318	unsigned crtc = entry->src_id - 1;
3319	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3320	unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3321								    crtc);
3322
3323	switch (entry->src_data[0]) {
3324	case 0: /* vblank */
3325		if (disp_int & interrupt_status_offsets[crtc].vblank)
3326			dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3327		else
3328			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3329
3330		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3331			drm_handle_vblank(adev->ddev, crtc);
3332		}
3333		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3334
3335		break;
3336	case 1: /* vline */
3337		if (disp_int & interrupt_status_offsets[crtc].vline)
3338			dce_v11_0_crtc_vline_int_ack(adev, crtc);
3339		else
3340			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3341
3342		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3343
3344		break;
3345	default:
3346		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3347		break;
3348	}
3349
3350	return 0;
3351}
3352
3353static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3354			     struct amdgpu_irq_src *source,
3355			     struct amdgpu_iv_entry *entry)
3356{
3357	uint32_t disp_int, mask;
3358	unsigned hpd;
3359
3360	if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3361		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3362		return 0;
3363	}
3364
3365	hpd = entry->src_data[0];
3366	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3367	mask = interrupt_status_offsets[hpd].hpd;
3368
3369	if (disp_int & mask) {
3370		dce_v11_0_hpd_int_ack(adev, hpd);
3371		schedule_work(&adev->hotplug_work);
3372		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3373	}
3374
3375	return 0;
3376}
3377
3378static int dce_v11_0_set_clockgating_state(void *handle,
3379					  enum amd_clockgating_state state)
3380{
3381	return 0;
3382}
3383
3384static int dce_v11_0_set_powergating_state(void *handle,
3385					  enum amd_powergating_state state)
3386{
3387	return 0;
3388}
3389
3390static const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3391	.name = "dce_v11_0",
3392	.early_init = dce_v11_0_early_init,
3393	.late_init = NULL,
3394	.sw_init = dce_v11_0_sw_init,
3395	.sw_fini = dce_v11_0_sw_fini,
3396	.hw_init = dce_v11_0_hw_init,
3397	.hw_fini = dce_v11_0_hw_fini,
3398	.suspend = dce_v11_0_suspend,
3399	.resume = dce_v11_0_resume,
3400	.is_idle = dce_v11_0_is_idle,
3401	.wait_for_idle = dce_v11_0_wait_for_idle,
3402	.soft_reset = dce_v11_0_soft_reset,
 
3403	.set_clockgating_state = dce_v11_0_set_clockgating_state,
3404	.set_powergating_state = dce_v11_0_set_powergating_state,
3405};
3406
3407static void
3408dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3409			  struct drm_display_mode *mode,
3410			  struct drm_display_mode *adjusted_mode)
3411{
3412	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3413
3414	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3415
3416	/* need to call this here rather than in prepare() since we need some crtc info */
3417	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3418
3419	/* set scaler clears this on some chips */
3420	dce_v11_0_set_interleave(encoder->crtc, mode);
3421
3422	if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3423		dce_v11_0_afmt_enable(encoder, true);
3424		dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3425	}
3426}
3427
3428static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3429{
3430	struct amdgpu_device *adev = encoder->dev->dev_private;
3431	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3432	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3433
3434	if ((amdgpu_encoder->active_device &
3435	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3436	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3437	     ENCODER_OBJECT_ID_NONE)) {
3438		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3439		if (dig) {
3440			dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3441			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3442				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3443		}
3444	}
3445
3446	amdgpu_atombios_scratch_regs_lock(adev, true);
3447
3448	if (connector) {
3449		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3450
3451		/* select the clock/data port if it uses a router */
3452		if (amdgpu_connector->router.cd_valid)
3453			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3454
3455		/* turn eDP panel on for mode set */
3456		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3457			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3458							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3459	}
3460
3461	/* this is needed for the pll/ss setup to work correctly in some cases */
3462	amdgpu_atombios_encoder_set_crtc_source(encoder);
3463	/* set up the FMT blocks */
3464	dce_v11_0_program_fmt(encoder);
3465}
3466
3467static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3468{
3469	struct drm_device *dev = encoder->dev;
3470	struct amdgpu_device *adev = dev->dev_private;
3471
3472	/* need to call this here as we need the crtc set up */
3473	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3474	amdgpu_atombios_scratch_regs_lock(adev, false);
3475}
3476
3477static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3478{
3479	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3480	struct amdgpu_encoder_atom_dig *dig;
3481
3482	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3483
3484	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3485		if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3486			dce_v11_0_afmt_enable(encoder, false);
3487		dig = amdgpu_encoder->enc_priv;
3488		dig->dig_encoder = -1;
3489	}
3490	amdgpu_encoder->active_device = 0;
3491}
3492
3493/* these are handled by the primary encoders */
3494static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3495{
3496
3497}
3498
3499static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3500{
3501
3502}
3503
3504static void
3505dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3506		      struct drm_display_mode *mode,
3507		      struct drm_display_mode *adjusted_mode)
3508{
3509
3510}
3511
3512static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3513{
3514
3515}
3516
3517static void
3518dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3519{
3520
3521}
3522
3523static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3524	.dpms = dce_v11_0_ext_dpms,
3525	.prepare = dce_v11_0_ext_prepare,
3526	.mode_set = dce_v11_0_ext_mode_set,
3527	.commit = dce_v11_0_ext_commit,
3528	.disable = dce_v11_0_ext_disable,
3529	/* no detect for TMDS/LVDS yet */
3530};
3531
3532static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3533	.dpms = amdgpu_atombios_encoder_dpms,
3534	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3535	.prepare = dce_v11_0_encoder_prepare,
3536	.mode_set = dce_v11_0_encoder_mode_set,
3537	.commit = dce_v11_0_encoder_commit,
3538	.disable = dce_v11_0_encoder_disable,
3539	.detect = amdgpu_atombios_encoder_dig_detect,
3540};
3541
3542static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3543	.dpms = amdgpu_atombios_encoder_dpms,
3544	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3545	.prepare = dce_v11_0_encoder_prepare,
3546	.mode_set = dce_v11_0_encoder_mode_set,
3547	.commit = dce_v11_0_encoder_commit,
3548	.detect = amdgpu_atombios_encoder_dac_detect,
3549};
3550
3551static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3552{
3553	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3554	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3555		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3556	kfree(amdgpu_encoder->enc_priv);
3557	drm_encoder_cleanup(encoder);
3558	kfree(amdgpu_encoder);
3559}
3560
3561static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3562	.destroy = dce_v11_0_encoder_destroy,
3563};
3564
3565static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3566				 uint32_t encoder_enum,
3567				 uint32_t supported_device,
3568				 u16 caps)
3569{
3570	struct drm_device *dev = adev->ddev;
3571	struct drm_encoder *encoder;
3572	struct amdgpu_encoder *amdgpu_encoder;
3573
3574	/* see if we already added it */
3575	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3576		amdgpu_encoder = to_amdgpu_encoder(encoder);
3577		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3578			amdgpu_encoder->devices |= supported_device;
3579			return;
3580		}
3581
3582	}
3583
3584	/* add a new one */
3585	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3586	if (!amdgpu_encoder)
3587		return;
3588
3589	encoder = &amdgpu_encoder->base;
3590	switch (adev->mode_info.num_crtc) {
3591	case 1:
3592		encoder->possible_crtcs = 0x1;
3593		break;
3594	case 2:
3595	default:
3596		encoder->possible_crtcs = 0x3;
3597		break;
3598	case 3:
3599		encoder->possible_crtcs = 0x7;
3600		break;
3601	case 4:
3602		encoder->possible_crtcs = 0xf;
3603		break;
3604	case 5:
3605		encoder->possible_crtcs = 0x1f;
3606		break;
3607	case 6:
3608		encoder->possible_crtcs = 0x3f;
3609		break;
3610	}
3611
3612	amdgpu_encoder->enc_priv = NULL;
3613
3614	amdgpu_encoder->encoder_enum = encoder_enum;
3615	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3616	amdgpu_encoder->devices = supported_device;
3617	amdgpu_encoder->rmx_type = RMX_OFF;
3618	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3619	amdgpu_encoder->is_ext_encoder = false;
3620	amdgpu_encoder->caps = caps;
3621
3622	switch (amdgpu_encoder->encoder_id) {
3623	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3624	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3625		drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3626				 DRM_MODE_ENCODER_DAC, NULL);
3627		drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3628		break;
3629	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3630	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3631	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3632	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3633	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3634		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3635			amdgpu_encoder->rmx_type = RMX_FULL;
3636			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3637					 DRM_MODE_ENCODER_LVDS, NULL);
3638			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3639		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3640			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3641					 DRM_MODE_ENCODER_DAC, NULL);
3642			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3643		} else {
3644			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3645					 DRM_MODE_ENCODER_TMDS, NULL);
3646			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3647		}
3648		drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3649		break;
3650	case ENCODER_OBJECT_ID_SI170B:
3651	case ENCODER_OBJECT_ID_CH7303:
3652	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3653	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3654	case ENCODER_OBJECT_ID_TITFP513:
3655	case ENCODER_OBJECT_ID_VT1623:
3656	case ENCODER_OBJECT_ID_HDMI_SI1930:
3657	case ENCODER_OBJECT_ID_TRAVIS:
3658	case ENCODER_OBJECT_ID_NUTMEG:
3659		/* these are handled by the primary encoders */
3660		amdgpu_encoder->is_ext_encoder = true;
3661		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3662			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3663					 DRM_MODE_ENCODER_LVDS, NULL);
3664		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3665			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3666					 DRM_MODE_ENCODER_DAC, NULL);
3667		else
3668			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3669					 DRM_MODE_ENCODER_TMDS, NULL);
3670		drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3671		break;
3672	}
3673}
3674
3675static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
 
3676	.bandwidth_update = &dce_v11_0_bandwidth_update,
3677	.vblank_get_counter = &dce_v11_0_vblank_get_counter,
 
 
3678	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3679	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3680	.hpd_sense = &dce_v11_0_hpd_sense,
3681	.hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3682	.hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3683	.page_flip = &dce_v11_0_page_flip,
3684	.page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3685	.add_encoder = &dce_v11_0_encoder_add,
3686	.add_connector = &amdgpu_connector_add,
 
 
3687};
3688
3689static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3690{
3691	if (adev->mode_info.funcs == NULL)
3692		adev->mode_info.funcs = &dce_v11_0_display_funcs;
3693}
3694
3695static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3696	.set = dce_v11_0_set_crtc_irq_state,
3697	.process = dce_v11_0_crtc_irq,
3698};
3699
3700static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3701	.set = dce_v11_0_set_pageflip_irq_state,
3702	.process = dce_v11_0_pageflip_irq,
3703};
3704
3705static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3706	.set = dce_v11_0_set_hpd_irq_state,
3707	.process = dce_v11_0_hpd_irq,
3708};
3709
3710static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3711{
3712	if (adev->mode_info.num_crtc > 0)
3713		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3714	else
3715		adev->crtc_irq.num_types = 0;
3716	adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3717
3718	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3719	adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3720
3721	adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3722	adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3723}
3724
3725const struct amdgpu_ip_block_version dce_v11_0_ip_block =
3726{
3727	.type = AMD_IP_BLOCK_TYPE_DCE,
3728	.major = 11,
3729	.minor = 0,
3730	.rev = 0,
3731	.funcs = &dce_v11_0_ip_funcs,
3732};
3733
3734const struct amdgpu_ip_block_version dce_v11_2_ip_block =
3735{
3736	.type = AMD_IP_BLOCK_TYPE_DCE,
3737	.major = 11,
3738	.minor = 2,
3739	.rev = 0,
3740	.funcs = &dce_v11_0_ip_funcs,
3741};
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}