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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_v10_0.h"
  35
  36#include "dce/dce_10_0_d.h"
  37#include "dce/dce_10_0_sh_mask.h"
  38#include "dce/dce_10_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_v10_0_set_display_funcs(struct amdgpu_device *adev);
  45static void dce_v10_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};
  77
  78static const struct {
  79	uint32_t        reg;
  80	uint32_t        vblank;
  81	uint32_t        vline;
  82	uint32_t        hpd;
  83
  84} interrupt_status_offsets[] = { {
  85	.reg = mmDISP_INTERRUPT_STATUS,
  86	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
  87	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
  88	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
  89}, {
  90	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
  91	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
  92	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
  93	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
  94}, {
  95	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
  96	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
  97	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
  98	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
  99}, {
 100	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
 101	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
 102	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
 103	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
 104}, {
 105	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
 106	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
 107	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
 108	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
 109}, {
 110	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
 111	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
 112	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
 113	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
 114} };
 115
 116static const u32 golden_settings_tonga_a11[] =
 117{
 118	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 119	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 120	mmFBC_MISC, 0x1f311fff, 0x12300000,
 121	mmHDMI_CONTROL, 0x31000111, 0x00000011,
 122};
 123
 124static const u32 tonga_mgcg_cgcg_init[] =
 125{
 126	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 127	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 128};
 129
 130static const u32 golden_settings_fiji_a10[] =
 131{
 132	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 133	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 134	mmFBC_MISC, 0x1f311fff, 0x12300000,
 135	mmHDMI_CONTROL, 0x31000111, 0x00000011,
 136};
 137
 138static const u32 fiji_mgcg_cgcg_init[] =
 139{
 140	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 141	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 142};
 143
 144static void dce_v10_0_init_golden_registers(struct amdgpu_device *adev)
 145{
 146	switch (adev->asic_type) {
 147	case CHIP_FIJI:
 148		amdgpu_device_program_register_sequence(adev,
 149							fiji_mgcg_cgcg_init,
 150							ARRAY_SIZE(fiji_mgcg_cgcg_init));
 151		amdgpu_device_program_register_sequence(adev,
 152							golden_settings_fiji_a10,
 153							ARRAY_SIZE(golden_settings_fiji_a10));
 154		break;
 155	case CHIP_TONGA:
 156		amdgpu_device_program_register_sequence(adev,
 157							tonga_mgcg_cgcg_init,
 158							ARRAY_SIZE(tonga_mgcg_cgcg_init));
 159		amdgpu_device_program_register_sequence(adev,
 160							golden_settings_tonga_a11,
 161							ARRAY_SIZE(golden_settings_tonga_a11));
 162		break;
 163	default:
 164		break;
 165	}
 166}
 167
 168static u32 dce_v10_0_audio_endpt_rreg(struct amdgpu_device *adev,
 169				     u32 block_offset, u32 reg)
 170{
 171	unsigned long flags;
 172	u32 r;
 173
 174	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 175	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 176	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 177	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 178
 179	return r;
 180}
 181
 182static void dce_v10_0_audio_endpt_wreg(struct amdgpu_device *adev,
 183				      u32 block_offset, u32 reg, u32 v)
 184{
 185	unsigned long flags;
 186
 187	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 188	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 189	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 190	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 191}
 192
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 193static u32 dce_v10_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 194{
 195	if (crtc >= adev->mode_info.num_crtc)
 196		return 0;
 197	else
 198		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 199}
 200
 201static void dce_v10_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 202{
 203	unsigned i;
 204
 205	/* Enable pflip interrupts */
 206	for (i = 0; i < adev->mode_info.num_crtc; i++)
 207		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 208}
 209
 210static void dce_v10_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 211{
 212	unsigned i;
 213
 214	/* Disable pflip interrupts */
 215	for (i = 0; i < adev->mode_info.num_crtc; i++)
 216		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 217}
 218
 219/**
 220 * dce_v10_0_page_flip - pageflip callback.
 221 *
 222 * @adev: amdgpu_device pointer
 223 * @crtc_id: crtc to cleanup pageflip on
 224 * @crtc_base: new address of the crtc (GPU MC address)
 225 *
 226 * Triggers the actual pageflip by updating the primary
 227 * surface base address.
 228 */
 229static void dce_v10_0_page_flip(struct amdgpu_device *adev,
 230				int crtc_id, u64 crtc_base, bool async)
 231{
 232	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 233	u32 tmp;
 234
 235	/* flip at hsync for async, default is vsync */
 236	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
 237	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
 238			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, async ? 1 : 0);
 239	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 240	/* update the primary scanout address */
 241	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 242	       upper_32_bits(crtc_base));
 243	/* writing to the low address triggers the update */
 244	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 245	       lower_32_bits(crtc_base));
 246	/* post the write */
 247	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 248}
 249
 250static int dce_v10_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 251					u32 *vbl, u32 *position)
 252{
 253	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 254		return -EINVAL;
 255
 256	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 257	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 258
 259	return 0;
 260}
 261
 262/**
 263 * dce_v10_0_hpd_sense - hpd sense callback.
 264 *
 265 * @adev: amdgpu_device pointer
 266 * @hpd: hpd (hotplug detect) pin
 267 *
 268 * Checks if a digital monitor is connected (evergreen+).
 269 * Returns true if connected, false if not connected.
 270 */
 271static bool dce_v10_0_hpd_sense(struct amdgpu_device *adev,
 272			       enum amdgpu_hpd_id hpd)
 273{
 
 274	bool connected = false;
 275
 276	if (hpd >= adev->mode_info.num_hpd)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 277		return connected;
 
 278
 279	if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
 280	    DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
 281		connected = true;
 282
 283	return connected;
 284}
 285
 286/**
 287 * dce_v10_0_hpd_set_polarity - hpd set polarity callback.
 288 *
 289 * @adev: amdgpu_device pointer
 290 * @hpd: hpd (hotplug detect) pin
 291 *
 292 * Set the polarity of the hpd pin (evergreen+).
 293 */
 294static void dce_v10_0_hpd_set_polarity(struct amdgpu_device *adev,
 295				      enum amdgpu_hpd_id hpd)
 296{
 297	u32 tmp;
 298	bool connected = dce_v10_0_hpd_sense(adev, hpd);
 
 299
 300	if (hpd >= adev->mode_info.num_hpd)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 301		return;
 
 302
 303	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
 304	if (connected)
 305		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
 306	else
 307		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
 308	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
 309}
 310
 311/**
 312 * dce_v10_0_hpd_init - hpd setup callback.
 313 *
 314 * @adev: amdgpu_device pointer
 315 *
 316 * Setup the hpd pins used by the card (evergreen+).
 317 * Enable the pin, set the polarity, and enable the hpd interrupts.
 318 */
 319static void dce_v10_0_hpd_init(struct amdgpu_device *adev)
 320{
 321	struct drm_device *dev = adev->ddev;
 322	struct drm_connector *connector;
 323	u32 tmp;
 
 324
 325	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 326		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 327
 328		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 329			continue;
 330
 331		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 332		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 333			/* don't try to enable hpd on eDP or LVDS avoid breaking the
 334			 * aux dp channel on imac and help (but not completely fix)
 335			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 336			 * also avoid interrupt storms during dpms.
 337			 */
 338			tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 339			tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
 340			WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 341			continue;
 342		}
 343
 344		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 345		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
 346		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 347
 348		tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 349		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 350				    DC_HPD_CONNECT_INT_DELAY,
 351				    AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
 352		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 353				    DC_HPD_DISCONNECT_INT_DELAY,
 354				    AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
 355		WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 356
 357		dce_v10_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 358		amdgpu_irq_get(adev, &adev->hpd_irq,
 359			       amdgpu_connector->hpd.hpd);
 360	}
 361}
 362
 363/**
 364 * dce_v10_0_hpd_fini - hpd tear down callback.
 365 *
 366 * @adev: amdgpu_device pointer
 367 *
 368 * Tear down the hpd pins used by the card (evergreen+).
 369 * Disable the hpd interrupts.
 370 */
 371static void dce_v10_0_hpd_fini(struct amdgpu_device *adev)
 372{
 373	struct drm_device *dev = adev->ddev;
 374	struct drm_connector *connector;
 375	u32 tmp;
 
 376
 377	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 378		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 379
 380		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 381			continue;
 
 382
 383		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 384		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
 385		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 386
 387		amdgpu_irq_put(adev, &adev->hpd_irq,
 388			       amdgpu_connector->hpd.hpd);
 389	}
 390}
 391
 392static u32 dce_v10_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 393{
 394	return mmDC_GPIO_HPD_A;
 395}
 396
 397static bool dce_v10_0_is_display_hung(struct amdgpu_device *adev)
 398{
 399	u32 crtc_hung = 0;
 400	u32 crtc_status[6];
 401	u32 i, j, tmp;
 402
 403	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 404		tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 405		if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
 406			crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 407			crtc_hung |= (1 << i);
 408		}
 409	}
 410
 411	for (j = 0; j < 10; j++) {
 412		for (i = 0; i < adev->mode_info.num_crtc; i++) {
 413			if (crtc_hung & (1 << i)) {
 414				tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 415				if (tmp != crtc_status[i])
 416					crtc_hung &= ~(1 << i);
 417			}
 418		}
 419		if (crtc_hung == 0)
 420			return false;
 421		udelay(100);
 422	}
 423
 424	return true;
 425}
 426
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 427static void dce_v10_0_set_vga_render_state(struct amdgpu_device *adev,
 428					   bool render)
 429{
 430	u32 tmp;
 431
 432	/* Lockout access through VGA aperture*/
 433	tmp = RREG32(mmVGA_HDP_CONTROL);
 434	if (render)
 435		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
 436	else
 437		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
 438	WREG32(mmVGA_HDP_CONTROL, tmp);
 439
 440	/* disable VGA render */
 441	tmp = RREG32(mmVGA_RENDER_CONTROL);
 442	if (render)
 443		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
 444	else
 445		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 446	WREG32(mmVGA_RENDER_CONTROL, tmp);
 447}
 448
 449static int dce_v10_0_get_num_crtc(struct amdgpu_device *adev)
 450{
 451	int num_crtc = 0;
 452
 453	switch (adev->asic_type) {
 454	case CHIP_FIJI:
 455	case CHIP_TONGA:
 456		num_crtc = 6;
 457		break;
 458	default:
 459		num_crtc = 0;
 460	}
 461	return num_crtc;
 462}
 463
 464void dce_v10_0_disable_dce(struct amdgpu_device *adev)
 465{
 466	/*Disable VGA render and enabled crtc, if has DCE engine*/
 467	if (amdgpu_atombios_has_dce_engine_info(adev)) {
 468		u32 tmp;
 469		int crtc_enabled, i;
 470
 471		dce_v10_0_set_vga_render_state(adev, false);
 472
 473		/*Disable crtc*/
 474		for (i = 0; i < dce_v10_0_get_num_crtc(adev); i++) {
 475			crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
 476									 CRTC_CONTROL, CRTC_MASTER_EN);
 477			if (crtc_enabled) {
 478				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 479				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 480				tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
 481				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 482				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 483			}
 484		}
 485	}
 486}
 487
 488static void dce_v10_0_program_fmt(struct drm_encoder *encoder)
 489{
 490	struct drm_device *dev = encoder->dev;
 491	struct amdgpu_device *adev = dev->dev_private;
 492	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 493	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 494	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 495	int bpc = 0;
 496	u32 tmp = 0;
 497	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 498
 499	if (connector) {
 500		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 501		bpc = amdgpu_connector_get_monitor_bpc(connector);
 502		dither = amdgpu_connector->dither;
 503	}
 504
 505	/* LVDS/eDP FMT is set up by atom */
 506	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 507		return;
 508
 509	/* not needed for analog */
 510	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 511	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 512		return;
 513
 514	if (bpc == 0)
 515		return;
 516
 517	switch (bpc) {
 518	case 6:
 519		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 520			/* XXX sort out optimal dither settings */
 521			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 522			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 523			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 524			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
 525		} else {
 526			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 527			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
 528		}
 529		break;
 530	case 8:
 531		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 532			/* XXX sort out optimal dither settings */
 533			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 534			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 535			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 536			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 537			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
 538		} else {
 539			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 540			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
 541		}
 542		break;
 543	case 10:
 544		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 545			/* XXX sort out optimal dither settings */
 546			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 547			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 548			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 549			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 550			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
 551		} else {
 552			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 553			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
 554		}
 555		break;
 556	default:
 557		/* not needed */
 558		break;
 559	}
 560
 561	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 562}
 563
 564
 565/* display watermark setup */
 566/**
 567 * dce_v10_0_line_buffer_adjust - Set up the line buffer
 568 *
 569 * @adev: amdgpu_device pointer
 570 * @amdgpu_crtc: the selected display controller
 571 * @mode: the current display mode on the selected display
 572 * controller
 573 *
 574 * Setup up the line buffer allocation for
 575 * the selected display controller (CIK).
 576 * Returns the line buffer size in pixels.
 577 */
 578static u32 dce_v10_0_line_buffer_adjust(struct amdgpu_device *adev,
 579				       struct amdgpu_crtc *amdgpu_crtc,
 580				       struct drm_display_mode *mode)
 581{
 582	u32 tmp, buffer_alloc, i, mem_cfg;
 583	u32 pipe_offset = amdgpu_crtc->crtc_id;
 584	/*
 585	 * Line Buffer Setup
 586	 * There are 6 line buffers, one for each display controllers.
 587	 * There are 3 partitions per LB. Select the number of partitions
 588	 * to enable based on the display width.  For display widths larger
 589	 * than 4096, you need use to use 2 display controllers and combine
 590	 * them using the stereo blender.
 591	 */
 592	if (amdgpu_crtc->base.enabled && mode) {
 593		if (mode->crtc_hdisplay < 1920) {
 594			mem_cfg = 1;
 595			buffer_alloc = 2;
 596		} else if (mode->crtc_hdisplay < 2560) {
 597			mem_cfg = 2;
 598			buffer_alloc = 2;
 599		} else if (mode->crtc_hdisplay < 4096) {
 600			mem_cfg = 0;
 601			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 602		} else {
 603			DRM_DEBUG_KMS("Mode too big for LB!\n");
 604			mem_cfg = 0;
 605			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 606		}
 607	} else {
 608		mem_cfg = 1;
 609		buffer_alloc = 0;
 610	}
 611
 612	tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
 613	tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
 614	WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
 615
 616	tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 617	tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
 618	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
 619
 620	for (i = 0; i < adev->usec_timeout; i++) {
 621		tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 622		if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
 623			break;
 624		udelay(1);
 625	}
 626
 627	if (amdgpu_crtc->base.enabled && mode) {
 628		switch (mem_cfg) {
 629		case 0:
 630		default:
 631			return 4096 * 2;
 632		case 1:
 633			return 1920 * 2;
 634		case 2:
 635			return 2560 * 2;
 636		}
 637	}
 638
 639	/* controller not enabled, so no lb used */
 640	return 0;
 641}
 642
 643/**
 644 * cik_get_number_of_dram_channels - get the number of dram channels
 645 *
 646 * @adev: amdgpu_device pointer
 647 *
 648 * Look up the number of video ram channels (CIK).
 649 * Used for display watermark bandwidth calculations
 650 * Returns the number of dram channels
 651 */
 652static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
 653{
 654	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 655
 656	switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
 657	case 0:
 658	default:
 659		return 1;
 660	case 1:
 661		return 2;
 662	case 2:
 663		return 4;
 664	case 3:
 665		return 8;
 666	case 4:
 667		return 3;
 668	case 5:
 669		return 6;
 670	case 6:
 671		return 10;
 672	case 7:
 673		return 12;
 674	case 8:
 675		return 16;
 676	}
 677}
 678
 679struct dce10_wm_params {
 680	u32 dram_channels; /* number of dram channels */
 681	u32 yclk;          /* bandwidth per dram data pin in kHz */
 682	u32 sclk;          /* engine clock in kHz */
 683	u32 disp_clk;      /* display clock in kHz */
 684	u32 src_width;     /* viewport width */
 685	u32 active_time;   /* active display time in ns */
 686	u32 blank_time;    /* blank time in ns */
 687	bool interlaced;    /* mode is interlaced */
 688	fixed20_12 vsc;    /* vertical scale ratio */
 689	u32 num_heads;     /* number of active crtcs */
 690	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 691	u32 lb_size;       /* line buffer allocated to pipe */
 692	u32 vtaps;         /* vertical scaler taps */
 693};
 694
 695/**
 696 * dce_v10_0_dram_bandwidth - get the dram bandwidth
 697 *
 698 * @wm: watermark calculation data
 699 *
 700 * Calculate the raw dram bandwidth (CIK).
 701 * Used for display watermark bandwidth calculations
 702 * Returns the dram bandwidth in MBytes/s
 703 */
 704static u32 dce_v10_0_dram_bandwidth(struct dce10_wm_params *wm)
 705{
 706	/* Calculate raw DRAM Bandwidth */
 707	fixed20_12 dram_efficiency; /* 0.7 */
 708	fixed20_12 yclk, dram_channels, bandwidth;
 709	fixed20_12 a;
 710
 711	a.full = dfixed_const(1000);
 712	yclk.full = dfixed_const(wm->yclk);
 713	yclk.full = dfixed_div(yclk, a);
 714	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 715	a.full = dfixed_const(10);
 716	dram_efficiency.full = dfixed_const(7);
 717	dram_efficiency.full = dfixed_div(dram_efficiency, a);
 718	bandwidth.full = dfixed_mul(dram_channels, yclk);
 719	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 720
 721	return dfixed_trunc(bandwidth);
 722}
 723
 724/**
 725 * dce_v10_0_dram_bandwidth_for_display - get the dram bandwidth for display
 726 *
 727 * @wm: watermark calculation data
 728 *
 729 * Calculate the dram bandwidth used for display (CIK).
 730 * Used for display watermark bandwidth calculations
 731 * Returns the dram bandwidth for display in MBytes/s
 732 */
 733static u32 dce_v10_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 734{
 735	/* Calculate DRAM Bandwidth and the part allocated to display. */
 736	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 737	fixed20_12 yclk, dram_channels, bandwidth;
 738	fixed20_12 a;
 739
 740	a.full = dfixed_const(1000);
 741	yclk.full = dfixed_const(wm->yclk);
 742	yclk.full = dfixed_div(yclk, a);
 743	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 744	a.full = dfixed_const(10);
 745	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 746	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 747	bandwidth.full = dfixed_mul(dram_channels, yclk);
 748	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 749
 750	return dfixed_trunc(bandwidth);
 751}
 752
 753/**
 754 * dce_v10_0_data_return_bandwidth - get the data return bandwidth
 755 *
 756 * @wm: watermark calculation data
 757 *
 758 * Calculate the data return bandwidth used for display (CIK).
 759 * Used for display watermark bandwidth calculations
 760 * Returns the data return bandwidth in MBytes/s
 761 */
 762static u32 dce_v10_0_data_return_bandwidth(struct dce10_wm_params *wm)
 763{
 764	/* Calculate the display Data return Bandwidth */
 765	fixed20_12 return_efficiency; /* 0.8 */
 766	fixed20_12 sclk, bandwidth;
 767	fixed20_12 a;
 768
 769	a.full = dfixed_const(1000);
 770	sclk.full = dfixed_const(wm->sclk);
 771	sclk.full = dfixed_div(sclk, a);
 772	a.full = dfixed_const(10);
 773	return_efficiency.full = dfixed_const(8);
 774	return_efficiency.full = dfixed_div(return_efficiency, a);
 775	a.full = dfixed_const(32);
 776	bandwidth.full = dfixed_mul(a, sclk);
 777	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 778
 779	return dfixed_trunc(bandwidth);
 780}
 781
 782/**
 783 * dce_v10_0_dmif_request_bandwidth - get the dmif bandwidth
 784 *
 785 * @wm: watermark calculation data
 786 *
 787 * Calculate the dmif bandwidth used for display (CIK).
 788 * Used for display watermark bandwidth calculations
 789 * Returns the dmif bandwidth in MBytes/s
 790 */
 791static u32 dce_v10_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
 792{
 793	/* Calculate the DMIF Request Bandwidth */
 794	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
 795	fixed20_12 disp_clk, bandwidth;
 796	fixed20_12 a, b;
 797
 798	a.full = dfixed_const(1000);
 799	disp_clk.full = dfixed_const(wm->disp_clk);
 800	disp_clk.full = dfixed_div(disp_clk, a);
 801	a.full = dfixed_const(32);
 802	b.full = dfixed_mul(a, disp_clk);
 803
 804	a.full = dfixed_const(10);
 805	disp_clk_request_efficiency.full = dfixed_const(8);
 806	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
 807
 808	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
 809
 810	return dfixed_trunc(bandwidth);
 811}
 812
 813/**
 814 * dce_v10_0_available_bandwidth - get the min available bandwidth
 815 *
 816 * @wm: watermark calculation data
 817 *
 818 * Calculate the min available bandwidth used for display (CIK).
 819 * Used for display watermark bandwidth calculations
 820 * Returns the min available bandwidth in MBytes/s
 821 */
 822static u32 dce_v10_0_available_bandwidth(struct dce10_wm_params *wm)
 823{
 824	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
 825	u32 dram_bandwidth = dce_v10_0_dram_bandwidth(wm);
 826	u32 data_return_bandwidth = dce_v10_0_data_return_bandwidth(wm);
 827	u32 dmif_req_bandwidth = dce_v10_0_dmif_request_bandwidth(wm);
 828
 829	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
 830}
 831
 832/**
 833 * dce_v10_0_average_bandwidth - get the average available bandwidth
 834 *
 835 * @wm: watermark calculation data
 836 *
 837 * Calculate the average available bandwidth used for display (CIK).
 838 * Used for display watermark bandwidth calculations
 839 * Returns the average available bandwidth in MBytes/s
 840 */
 841static u32 dce_v10_0_average_bandwidth(struct dce10_wm_params *wm)
 842{
 843	/* Calculate the display mode Average Bandwidth
 844	 * DisplayMode should contain the source and destination dimensions,
 845	 * timing, etc.
 846	 */
 847	fixed20_12 bpp;
 848	fixed20_12 line_time;
 849	fixed20_12 src_width;
 850	fixed20_12 bandwidth;
 851	fixed20_12 a;
 852
 853	a.full = dfixed_const(1000);
 854	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
 855	line_time.full = dfixed_div(line_time, a);
 856	bpp.full = dfixed_const(wm->bytes_per_pixel);
 857	src_width.full = dfixed_const(wm->src_width);
 858	bandwidth.full = dfixed_mul(src_width, bpp);
 859	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
 860	bandwidth.full = dfixed_div(bandwidth, line_time);
 861
 862	return dfixed_trunc(bandwidth);
 863}
 864
 865/**
 866 * dce_v10_0_latency_watermark - get the latency watermark
 867 *
 868 * @wm: watermark calculation data
 869 *
 870 * Calculate the latency watermark (CIK).
 871 * Used for display watermark bandwidth calculations
 872 * Returns the latency watermark in ns
 873 */
 874static u32 dce_v10_0_latency_watermark(struct dce10_wm_params *wm)
 875{
 876	/* First calculate the latency in ns */
 877	u32 mc_latency = 2000; /* 2000 ns. */
 878	u32 available_bandwidth = dce_v10_0_available_bandwidth(wm);
 879	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
 880	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
 881	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
 882	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
 883		(wm->num_heads * cursor_line_pair_return_time);
 884	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
 885	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
 886	u32 tmp, dmif_size = 12288;
 887	fixed20_12 a, b, c;
 888
 889	if (wm->num_heads == 0)
 890		return 0;
 891
 892	a.full = dfixed_const(2);
 893	b.full = dfixed_const(1);
 894	if ((wm->vsc.full > a.full) ||
 895	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
 896	    (wm->vtaps >= 5) ||
 897	    ((wm->vsc.full >= a.full) && wm->interlaced))
 898		max_src_lines_per_dst_line = 4;
 899	else
 900		max_src_lines_per_dst_line = 2;
 901
 902	a.full = dfixed_const(available_bandwidth);
 903	b.full = dfixed_const(wm->num_heads);
 904	a.full = dfixed_div(a, b);
 905	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
 906	tmp = min(dfixed_trunc(a), tmp);
 907
 908	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 909
 910	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 911	b.full = dfixed_const(1000);
 912	c.full = dfixed_const(lb_fill_bw);
 913	b.full = dfixed_div(c, b);
 914	a.full = dfixed_div(a, b);
 915	line_fill_time = dfixed_trunc(a);
 916
 917	if (line_fill_time < wm->active_time)
 918		return latency;
 919	else
 920		return latency + (line_fill_time - wm->active_time);
 921
 922}
 923
 924/**
 925 * dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display - check
 926 * average and available dram bandwidth
 927 *
 928 * @wm: watermark calculation data
 929 *
 930 * Check if the display average bandwidth fits in the display
 931 * dram bandwidth (CIK).
 932 * Used for display watermark bandwidth calculations
 933 * Returns true if the display fits, false if not.
 934 */
 935static bool dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 936{
 937	if (dce_v10_0_average_bandwidth(wm) <=
 938	    (dce_v10_0_dram_bandwidth_for_display(wm) / wm->num_heads))
 939		return true;
 940	else
 941		return false;
 942}
 943
 944/**
 945 * dce_v10_0_average_bandwidth_vs_available_bandwidth - check
 946 * average and available bandwidth
 947 *
 948 * @wm: watermark calculation data
 949 *
 950 * Check if the display average bandwidth fits in the display
 951 * available bandwidth (CIK).
 952 * Used for display watermark bandwidth calculations
 953 * Returns true if the display fits, false if not.
 954 */
 955static bool dce_v10_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
 956{
 957	if (dce_v10_0_average_bandwidth(wm) <=
 958	    (dce_v10_0_available_bandwidth(wm) / wm->num_heads))
 959		return true;
 960	else
 961		return false;
 962}
 963
 964/**
 965 * dce_v10_0_check_latency_hiding - check latency hiding
 966 *
 967 * @wm: watermark calculation data
 968 *
 969 * Check latency hiding (CIK).
 970 * Used for display watermark bandwidth calculations
 971 * Returns true if the display fits, false if not.
 972 */
 973static bool dce_v10_0_check_latency_hiding(struct dce10_wm_params *wm)
 974{
 975	u32 lb_partitions = wm->lb_size / wm->src_width;
 976	u32 line_time = wm->active_time + wm->blank_time;
 977	u32 latency_tolerant_lines;
 978	u32 latency_hiding;
 979	fixed20_12 a;
 980
 981	a.full = dfixed_const(1);
 982	if (wm->vsc.full > a.full)
 983		latency_tolerant_lines = 1;
 984	else {
 985		if (lb_partitions <= (wm->vtaps + 1))
 986			latency_tolerant_lines = 1;
 987		else
 988			latency_tolerant_lines = 2;
 989	}
 990
 991	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
 992
 993	if (dce_v10_0_latency_watermark(wm) <= latency_hiding)
 994		return true;
 995	else
 996		return false;
 997}
 998
 999/**
1000 * dce_v10_0_program_watermarks - program display watermarks
1001 *
1002 * @adev: amdgpu_device pointer
1003 * @amdgpu_crtc: the selected display controller
1004 * @lb_size: line buffer size
1005 * @num_heads: number of display controllers in use
1006 *
1007 * Calculate and program the display watermarks for the
1008 * selected display controller (CIK).
1009 */
1010static void dce_v10_0_program_watermarks(struct amdgpu_device *adev,
1011					struct amdgpu_crtc *amdgpu_crtc,
1012					u32 lb_size, u32 num_heads)
1013{
1014	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1015	struct dce10_wm_params wm_low, wm_high;
1016	u32 active_time;
1017	u32 line_time = 0;
1018	u32 latency_watermark_a = 0, latency_watermark_b = 0;
1019	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1020
1021	if (amdgpu_crtc->base.enabled && num_heads && mode) {
1022		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1023					    (u32)mode->clock);
1024		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1025					  (u32)mode->clock);
1026		line_time = min(line_time, (u32)65535);
1027
1028		/* watermark for high clocks */
1029		if (adev->pm.dpm_enabled) {
1030			wm_high.yclk =
1031				amdgpu_dpm_get_mclk(adev, false) * 10;
1032			wm_high.sclk =
1033				amdgpu_dpm_get_sclk(adev, false) * 10;
1034		} else {
1035			wm_high.yclk = adev->pm.current_mclk * 10;
1036			wm_high.sclk = adev->pm.current_sclk * 10;
1037		}
1038
1039		wm_high.disp_clk = mode->clock;
1040		wm_high.src_width = mode->crtc_hdisplay;
1041		wm_high.active_time = active_time;
1042		wm_high.blank_time = line_time - wm_high.active_time;
1043		wm_high.interlaced = false;
1044		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1045			wm_high.interlaced = true;
1046		wm_high.vsc = amdgpu_crtc->vsc;
1047		wm_high.vtaps = 1;
1048		if (amdgpu_crtc->rmx_type != RMX_OFF)
1049			wm_high.vtaps = 2;
1050		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1051		wm_high.lb_size = lb_size;
1052		wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1053		wm_high.num_heads = num_heads;
1054
1055		/* set for high clocks */
1056		latency_watermark_a = min(dce_v10_0_latency_watermark(&wm_high), (u32)65535);
1057
1058		/* possibly force display priority to high */
1059		/* should really do this at mode validation time... */
1060		if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1061		    !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1062		    !dce_v10_0_check_latency_hiding(&wm_high) ||
1063		    (adev->mode_info.disp_priority == 2)) {
1064			DRM_DEBUG_KMS("force priority to high\n");
1065		}
1066
1067		/* watermark for low clocks */
1068		if (adev->pm.dpm_enabled) {
1069			wm_low.yclk =
1070				amdgpu_dpm_get_mclk(adev, true) * 10;
1071			wm_low.sclk =
1072				amdgpu_dpm_get_sclk(adev, true) * 10;
1073		} else {
1074			wm_low.yclk = adev->pm.current_mclk * 10;
1075			wm_low.sclk = adev->pm.current_sclk * 10;
1076		}
1077
1078		wm_low.disp_clk = mode->clock;
1079		wm_low.src_width = mode->crtc_hdisplay;
1080		wm_low.active_time = active_time;
1081		wm_low.blank_time = line_time - wm_low.active_time;
1082		wm_low.interlaced = false;
1083		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1084			wm_low.interlaced = true;
1085		wm_low.vsc = amdgpu_crtc->vsc;
1086		wm_low.vtaps = 1;
1087		if (amdgpu_crtc->rmx_type != RMX_OFF)
1088			wm_low.vtaps = 2;
1089		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1090		wm_low.lb_size = lb_size;
1091		wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1092		wm_low.num_heads = num_heads;
1093
1094		/* set for low clocks */
1095		latency_watermark_b = min(dce_v10_0_latency_watermark(&wm_low), (u32)65535);
1096
1097		/* possibly force display priority to high */
1098		/* should really do this at mode validation time... */
1099		if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1100		    !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1101		    !dce_v10_0_check_latency_hiding(&wm_low) ||
1102		    (adev->mode_info.disp_priority == 2)) {
1103			DRM_DEBUG_KMS("force priority to high\n");
1104		}
1105		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1106	}
1107
1108	/* select wm A */
1109	wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1110	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1111	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1112	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1113	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1114	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1115	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1116	/* select wm B */
1117	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1118	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1119	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1120	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1121	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1122	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1123	/* restore original selection */
1124	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1125
1126	/* save values for DPM */
1127	amdgpu_crtc->line_time = line_time;
1128	amdgpu_crtc->wm_high = latency_watermark_a;
1129	amdgpu_crtc->wm_low = latency_watermark_b;
1130	/* Save number of lines the linebuffer leads before the scanout */
1131	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1132}
1133
1134/**
1135 * dce_v10_0_bandwidth_update - program display watermarks
1136 *
1137 * @adev: amdgpu_device pointer
1138 *
1139 * Calculate and program the display watermarks and line
1140 * buffer allocation (CIK).
1141 */
1142static void dce_v10_0_bandwidth_update(struct amdgpu_device *adev)
1143{
1144	struct drm_display_mode *mode = NULL;
1145	u32 num_heads = 0, lb_size;
1146	int i;
1147
1148	amdgpu_display_update_priority(adev);
1149
1150	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1151		if (adev->mode_info.crtcs[i]->base.enabled)
1152			num_heads++;
1153	}
1154	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1155		mode = &adev->mode_info.crtcs[i]->base.mode;
1156		lb_size = dce_v10_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1157		dce_v10_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1158					    lb_size, num_heads);
1159	}
1160}
1161
1162static void dce_v10_0_audio_get_connected_pins(struct amdgpu_device *adev)
1163{
1164	int i;
1165	u32 offset, tmp;
1166
1167	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1168		offset = adev->mode_info.audio.pin[i].offset;
1169		tmp = RREG32_AUDIO_ENDPT(offset,
1170					 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1171		if (((tmp &
1172		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1173		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1174			adev->mode_info.audio.pin[i].connected = false;
1175		else
1176			adev->mode_info.audio.pin[i].connected = true;
1177	}
1178}
1179
1180static struct amdgpu_audio_pin *dce_v10_0_audio_get_pin(struct amdgpu_device *adev)
1181{
1182	int i;
1183
1184	dce_v10_0_audio_get_connected_pins(adev);
1185
1186	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1187		if (adev->mode_info.audio.pin[i].connected)
1188			return &adev->mode_info.audio.pin[i];
1189	}
1190	DRM_ERROR("No connected audio pins found!\n");
1191	return NULL;
1192}
1193
1194static void dce_v10_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1195{
1196	struct amdgpu_device *adev = encoder->dev->dev_private;
1197	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1198	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1199	u32 tmp;
1200
1201	if (!dig || !dig->afmt || !dig->afmt->pin)
1202		return;
1203
1204	tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1205	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1206	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1207}
1208
1209static void dce_v10_0_audio_write_latency_fields(struct drm_encoder *encoder,
1210						struct drm_display_mode *mode)
1211{
1212	struct amdgpu_device *adev = encoder->dev->dev_private;
1213	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1214	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1215	struct drm_connector *connector;
1216	struct amdgpu_connector *amdgpu_connector = NULL;
1217	u32 tmp;
1218	int interlace = 0;
1219
1220	if (!dig || !dig->afmt || !dig->afmt->pin)
1221		return;
1222
1223	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1224		if (connector->encoder == encoder) {
1225			amdgpu_connector = to_amdgpu_connector(connector);
1226			break;
1227		}
1228	}
1229
1230	if (!amdgpu_connector) {
1231		DRM_ERROR("Couldn't find encoder's connector\n");
1232		return;
1233	}
1234
1235	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1236		interlace = 1;
1237	if (connector->latency_present[interlace]) {
1238		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1239				    VIDEO_LIPSYNC, connector->video_latency[interlace]);
1240		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1241				    AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1242	} else {
1243		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1244				    VIDEO_LIPSYNC, 0);
1245		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1246				    AUDIO_LIPSYNC, 0);
1247	}
1248	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1249			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1250}
1251
1252static void dce_v10_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1253{
1254	struct amdgpu_device *adev = encoder->dev->dev_private;
1255	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1256	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1257	struct drm_connector *connector;
1258	struct amdgpu_connector *amdgpu_connector = NULL;
1259	u32 tmp;
1260	u8 *sadb = NULL;
1261	int sad_count;
1262
1263	if (!dig || !dig->afmt || !dig->afmt->pin)
1264		return;
1265
1266	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1267		if (connector->encoder == encoder) {
1268			amdgpu_connector = to_amdgpu_connector(connector);
1269			break;
1270		}
1271	}
1272
1273	if (!amdgpu_connector) {
1274		DRM_ERROR("Couldn't find encoder's connector\n");
1275		return;
1276	}
1277
1278	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1279	if (sad_count < 0) {
1280		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1281		sad_count = 0;
1282	}
1283
1284	/* program the speaker allocation */
1285	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1286				 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1287	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1288			    DP_CONNECTION, 0);
1289	/* set HDMI mode */
1290	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1291			    HDMI_CONNECTION, 1);
1292	if (sad_count)
1293		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1294				    SPEAKER_ALLOCATION, sadb[0]);
1295	else
1296		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1297				    SPEAKER_ALLOCATION, 5); /* stereo */
1298	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1299			   ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1300
1301	kfree(sadb);
1302}
1303
1304static void dce_v10_0_audio_write_sad_regs(struct drm_encoder *encoder)
1305{
1306	struct amdgpu_device *adev = encoder->dev->dev_private;
1307	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1308	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1309	struct drm_connector *connector;
1310	struct amdgpu_connector *amdgpu_connector = NULL;
1311	struct cea_sad *sads;
1312	int i, sad_count;
1313
1314	static const u16 eld_reg_to_type[][2] = {
1315		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1316		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1317		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1318		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1319		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1320		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1321		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1322		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1323		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1324		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1325		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1326		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1327	};
1328
1329	if (!dig || !dig->afmt || !dig->afmt->pin)
1330		return;
1331
1332	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1333		if (connector->encoder == encoder) {
1334			amdgpu_connector = to_amdgpu_connector(connector);
1335			break;
1336		}
1337	}
1338
1339	if (!amdgpu_connector) {
1340		DRM_ERROR("Couldn't find encoder's connector\n");
1341		return;
1342	}
1343
1344	sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1345	if (sad_count <= 0) {
1346		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1347		return;
1348	}
1349	BUG_ON(!sads);
1350
1351	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1352		u32 tmp = 0;
1353		u8 stereo_freqs = 0;
1354		int max_channels = -1;
1355		int j;
1356
1357		for (j = 0; j < sad_count; j++) {
1358			struct cea_sad *sad = &sads[j];
1359
1360			if (sad->format == eld_reg_to_type[i][1]) {
1361				if (sad->channels > max_channels) {
1362					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1363							    MAX_CHANNELS, sad->channels);
1364					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1365							    DESCRIPTOR_BYTE_2, sad->byte2);
1366					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1367							    SUPPORTED_FREQUENCIES, sad->freq);
1368					max_channels = sad->channels;
1369				}
1370
1371				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1372					stereo_freqs |= sad->freq;
1373				else
1374					break;
1375			}
1376		}
1377
1378		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1379				    SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1380		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1381	}
1382
1383	kfree(sads);
1384}
1385
1386static void dce_v10_0_audio_enable(struct amdgpu_device *adev,
1387				  struct amdgpu_audio_pin *pin,
1388				  bool enable)
1389{
1390	if (!pin)
1391		return;
1392
1393	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1394			   enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1395}
1396
1397static const u32 pin_offsets[] =
1398{
1399	AUD0_REGISTER_OFFSET,
1400	AUD1_REGISTER_OFFSET,
1401	AUD2_REGISTER_OFFSET,
1402	AUD3_REGISTER_OFFSET,
1403	AUD4_REGISTER_OFFSET,
1404	AUD5_REGISTER_OFFSET,
1405	AUD6_REGISTER_OFFSET,
1406};
1407
1408static int dce_v10_0_audio_init(struct amdgpu_device *adev)
1409{
1410	int i;
1411
1412	if (!amdgpu_audio)
1413		return 0;
1414
1415	adev->mode_info.audio.enabled = true;
1416
1417	adev->mode_info.audio.num_pins = 7;
1418
1419	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1420		adev->mode_info.audio.pin[i].channels = -1;
1421		adev->mode_info.audio.pin[i].rate = -1;
1422		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1423		adev->mode_info.audio.pin[i].status_bits = 0;
1424		adev->mode_info.audio.pin[i].category_code = 0;
1425		adev->mode_info.audio.pin[i].connected = false;
1426		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1427		adev->mode_info.audio.pin[i].id = i;
1428		/* disable audio.  it will be set up later */
1429		/* XXX remove once we switch to ip funcs */
1430		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1431	}
1432
1433	return 0;
1434}
1435
1436static void dce_v10_0_audio_fini(struct amdgpu_device *adev)
1437{
1438	int i;
1439
1440	if (!amdgpu_audio)
1441		return;
1442
1443	if (!adev->mode_info.audio.enabled)
1444		return;
1445
1446	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1447		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1448
1449	adev->mode_info.audio.enabled = false;
1450}
1451
1452/*
1453 * update the N and CTS parameters for a given pixel clock rate
1454 */
1455static void dce_v10_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1456{
1457	struct drm_device *dev = encoder->dev;
1458	struct amdgpu_device *adev = dev->dev_private;
1459	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1460	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1461	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1462	u32 tmp;
1463
1464	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1465	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1466	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1467	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1468	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1469	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1470
1471	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1472	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1473	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1474	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1475	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1476	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1477
1478	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1479	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1480	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1481	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1482	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1483	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1484
1485}
1486
1487/*
1488 * build a HDMI Video Info Frame
1489 */
1490static void dce_v10_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1491					       void *buffer, size_t size)
1492{
1493	struct drm_device *dev = encoder->dev;
1494	struct amdgpu_device *adev = dev->dev_private;
1495	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1496	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1497	uint8_t *frame = buffer + 3;
1498	uint8_t *header = buffer;
1499
1500	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1501		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1502	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1503		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1504	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1505		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1506	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1507		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1508}
1509
1510static void dce_v10_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1511{
1512	struct drm_device *dev = encoder->dev;
1513	struct amdgpu_device *adev = dev->dev_private;
1514	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1515	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1516	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1517	u32 dto_phase = 24 * 1000;
1518	u32 dto_modulo = clock;
1519	u32 tmp;
1520
1521	if (!dig || !dig->afmt)
1522		return;
1523
1524	/* XXX two dtos; generally use dto0 for hdmi */
1525	/* Express [24MHz / target pixel clock] as an exact rational
1526	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1527	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1528	 */
1529	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1530	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1531			    amdgpu_crtc->crtc_id);
1532	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1533	WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1534	WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1535}
1536
1537/*
1538 * update the info frames with the data from the current display mode
1539 */
1540static void dce_v10_0_afmt_setmode(struct drm_encoder *encoder,
1541				  struct drm_display_mode *mode)
1542{
1543	struct drm_device *dev = encoder->dev;
1544	struct amdgpu_device *adev = dev->dev_private;
1545	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1546	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1547	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1548	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1549	struct hdmi_avi_infoframe frame;
1550	ssize_t err;
1551	u32 tmp;
1552	int bpc = 8;
1553
1554	if (!dig || !dig->afmt)
1555		return;
1556
1557	/* Silent, r600_hdmi_enable will raise WARN for us */
1558	if (!dig->afmt->enabled)
1559		return;
1560
1561	/* hdmi deep color mode general control packets setup, if bpc > 8 */
1562	if (encoder->crtc) {
1563		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1564		bpc = amdgpu_crtc->bpc;
1565	}
1566
1567	/* disable audio prior to setting up hw */
1568	dig->afmt->pin = dce_v10_0_audio_get_pin(adev);
1569	dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
1570
1571	dce_v10_0_audio_set_dto(encoder, mode->clock);
1572
1573	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1574	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1575	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1576
1577	WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1578
1579	tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1580	switch (bpc) {
1581	case 0:
1582	case 6:
1583	case 8:
1584	case 16:
1585	default:
1586		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1587		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1588		DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1589			  connector->name, bpc);
1590		break;
1591	case 10:
1592		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1593		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1594		DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1595			  connector->name);
1596		break;
1597	case 12:
1598		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1599		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1600		DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1601			  connector->name);
1602		break;
1603	}
1604	WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1605
1606	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1607	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1608	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1609	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1610	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1611
1612	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1613	/* enable audio info frames (frames won't be set until audio is enabled) */
1614	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1615	/* required for audio info values to be updated */
1616	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1617	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1618
1619	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1620	/* required for audio info values to be updated */
1621	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1622	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1623
1624	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1625	/* anything other than 0 */
1626	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1627	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1628
1629	WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1630
1631	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1632	/* set the default audio delay */
1633	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1634	/* should be suffient for all audio modes and small enough for all hblanks */
1635	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1636	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1637
1638	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1639	/* allow 60958 channel status fields to be updated */
1640	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1641	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1642
1643	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1644	if (bpc > 8)
1645		/* clear SW CTS value */
1646		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1647	else
1648		/* select SW CTS value */
1649		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1650	/* allow hw to sent ACR packets when required */
1651	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1652	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1653
1654	dce_v10_0_afmt_update_ACR(encoder, mode->clock);
1655
1656	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1657	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1658	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1659
1660	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1661	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1662	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1663
1664	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1665	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1666	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1667	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1668	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1669	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1670	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1671	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1672
1673	dce_v10_0_audio_write_speaker_allocation(encoder);
1674
1675	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1676	       (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1677
1678	dce_v10_0_afmt_audio_select_pin(encoder);
1679	dce_v10_0_audio_write_sad_regs(encoder);
1680	dce_v10_0_audio_write_latency_fields(encoder, mode);
1681
1682	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, false);
1683	if (err < 0) {
1684		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1685		return;
1686	}
1687
1688	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1689	if (err < 0) {
1690		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1691		return;
1692	}
1693
1694	dce_v10_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1695
1696	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1697	/* enable AVI info frames */
1698	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1699	/* required for audio info values to be updated */
1700	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1701	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1702
1703	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1704	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1705	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1706
1707	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1708	/* send audio packets */
1709	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1710	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1711
1712	WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1713	WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1714	WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1715	WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1716
1717	/* enable audio after to setting up hw */
1718	dce_v10_0_audio_enable(adev, dig->afmt->pin, true);
1719}
1720
1721static void dce_v10_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1722{
1723	struct drm_device *dev = encoder->dev;
1724	struct amdgpu_device *adev = dev->dev_private;
1725	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1726	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1727
1728	if (!dig || !dig->afmt)
1729		return;
1730
1731	/* Silent, r600_hdmi_enable will raise WARN for us */
1732	if (enable && dig->afmt->enabled)
1733		return;
1734	if (!enable && !dig->afmt->enabled)
1735		return;
1736
1737	if (!enable && dig->afmt->pin) {
1738		dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
1739		dig->afmt->pin = NULL;
1740	}
1741
1742	dig->afmt->enabled = enable;
1743
1744	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1745		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1746}
1747
1748static int dce_v10_0_afmt_init(struct amdgpu_device *adev)
1749{
1750	int i;
1751
1752	for (i = 0; i < adev->mode_info.num_dig; i++)
1753		adev->mode_info.afmt[i] = NULL;
1754
1755	/* DCE10 has audio blocks tied to DIG encoders */
1756	for (i = 0; i < adev->mode_info.num_dig; i++) {
1757		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1758		if (adev->mode_info.afmt[i]) {
1759			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1760			adev->mode_info.afmt[i]->id = i;
1761		} else {
1762			int j;
1763			for (j = 0; j < i; j++) {
1764				kfree(adev->mode_info.afmt[j]);
1765				adev->mode_info.afmt[j] = NULL;
1766			}
1767			return -ENOMEM;
1768		}
1769	}
1770	return 0;
1771}
1772
1773static void dce_v10_0_afmt_fini(struct amdgpu_device *adev)
1774{
1775	int i;
1776
1777	for (i = 0; i < adev->mode_info.num_dig; i++) {
1778		kfree(adev->mode_info.afmt[i]);
1779		adev->mode_info.afmt[i] = NULL;
1780	}
1781}
1782
1783static const u32 vga_control_regs[6] =
1784{
1785	mmD1VGA_CONTROL,
1786	mmD2VGA_CONTROL,
1787	mmD3VGA_CONTROL,
1788	mmD4VGA_CONTROL,
1789	mmD5VGA_CONTROL,
1790	mmD6VGA_CONTROL,
1791};
1792
1793static void dce_v10_0_vga_enable(struct drm_crtc *crtc, bool enable)
1794{
1795	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1796	struct drm_device *dev = crtc->dev;
1797	struct amdgpu_device *adev = dev->dev_private;
1798	u32 vga_control;
1799
1800	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1801	if (enable)
1802		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1803	else
1804		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1805}
1806
1807static void dce_v10_0_grph_enable(struct drm_crtc *crtc, bool enable)
1808{
1809	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1810	struct drm_device *dev = crtc->dev;
1811	struct amdgpu_device *adev = dev->dev_private;
1812
1813	if (enable)
1814		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1815	else
1816		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1817}
1818
1819static int dce_v10_0_crtc_do_set_base(struct drm_crtc *crtc,
1820				     struct drm_framebuffer *fb,
1821				     int x, int y, int atomic)
1822{
1823	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1824	struct drm_device *dev = crtc->dev;
1825	struct amdgpu_device *adev = dev->dev_private;
1826	struct amdgpu_framebuffer *amdgpu_fb;
1827	struct drm_framebuffer *target_fb;
1828	struct drm_gem_object *obj;
1829	struct amdgpu_bo *abo;
1830	uint64_t fb_location, tiling_flags;
1831	uint32_t fb_format, fb_pitch_pixels;
1832	u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1833	u32 pipe_config;
1834	u32 tmp, viewport_w, viewport_h;
1835	int r;
1836	bool bypass_lut = false;
1837	struct drm_format_name_buf format_name;
1838
1839	/* no fb bound */
1840	if (!atomic && !crtc->primary->fb) {
1841		DRM_DEBUG_KMS("No FB bound\n");
1842		return 0;
1843	}
1844
1845	if (atomic) {
1846		amdgpu_fb = to_amdgpu_framebuffer(fb);
1847		target_fb = fb;
1848	} else {
1849		amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
1850		target_fb = crtc->primary->fb;
1851	}
1852
1853	/* If atomic, assume fb object is pinned & idle & fenced and
1854	 * just update base pointers
1855	 */
1856	obj = amdgpu_fb->obj;
1857	abo = gem_to_amdgpu_bo(obj);
1858	r = amdgpu_bo_reserve(abo, false);
1859	if (unlikely(r != 0))
1860		return r;
1861
1862	if (atomic) {
1863		fb_location = amdgpu_bo_gpu_offset(abo);
1864	} else {
1865		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location);
1866		if (unlikely(r != 0)) {
1867			amdgpu_bo_unreserve(abo);
1868			return -EINVAL;
1869		}
1870	}
1871
1872	amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1873	amdgpu_bo_unreserve(abo);
1874
1875	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1876
1877	switch (target_fb->format->format) {
1878	case DRM_FORMAT_C8:
1879		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1880		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1881		break;
1882	case DRM_FORMAT_XRGB4444:
1883	case DRM_FORMAT_ARGB4444:
1884		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1885		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1886#ifdef __BIG_ENDIAN
1887		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1888					ENDIAN_8IN16);
1889#endif
1890		break;
1891	case DRM_FORMAT_XRGB1555:
1892	case DRM_FORMAT_ARGB1555:
1893		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1894		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1895#ifdef __BIG_ENDIAN
1896		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1897					ENDIAN_8IN16);
1898#endif
1899		break;
1900	case DRM_FORMAT_BGRX5551:
1901	case DRM_FORMAT_BGRA5551:
1902		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1903		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1904#ifdef __BIG_ENDIAN
1905		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1906					ENDIAN_8IN16);
1907#endif
1908		break;
1909	case DRM_FORMAT_RGB565:
1910		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1911		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1912#ifdef __BIG_ENDIAN
1913		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1914					ENDIAN_8IN16);
1915#endif
1916		break;
1917	case DRM_FORMAT_XRGB8888:
1918	case DRM_FORMAT_ARGB8888:
1919		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1920		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1921#ifdef __BIG_ENDIAN
1922		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1923					ENDIAN_8IN32);
1924#endif
1925		break;
1926	case DRM_FORMAT_XRGB2101010:
1927	case DRM_FORMAT_ARGB2101010:
1928		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1929		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1930#ifdef __BIG_ENDIAN
1931		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1932					ENDIAN_8IN32);
1933#endif
1934		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1935		bypass_lut = true;
1936		break;
1937	case DRM_FORMAT_BGRX1010102:
1938	case DRM_FORMAT_BGRA1010102:
1939		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1940		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
1941#ifdef __BIG_ENDIAN
1942		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1943					ENDIAN_8IN32);
1944#endif
1945		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1946		bypass_lut = true;
1947		break;
1948	default:
1949		DRM_ERROR("Unsupported screen format %s\n",
1950		          drm_get_format_name(target_fb->format->format, &format_name));
1951		return -EINVAL;
1952	}
1953
1954	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1955		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1956
1957		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1958		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1959		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1960		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1961		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1962
1963		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
1964		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
1965					  ARRAY_2D_TILED_THIN1);
1966		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
1967					  tile_split);
1968		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
1969		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
1970		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
1971					  mtaspect);
1972		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
1973					  ADDR_SURF_MICRO_TILING_DISPLAY);
1974	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1975		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
1976					  ARRAY_1D_TILED_THIN1);
1977	}
1978
1979	fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
1980				  pipe_config);
1981
1982	dce_v10_0_vga_enable(crtc, false);
1983
1984	/* Make sure surface address is updated at vertical blank rather than
1985	 * horizontal blank
1986	 */
1987	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
1988	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
1989			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
1990	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1991
1992	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1993	       upper_32_bits(fb_location));
1994	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1995	       upper_32_bits(fb_location));
1996	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1997	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1998	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1999	       (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2000	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2001	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2002
2003	/*
2004	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2005	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2006	 * retain the full precision throughout the pipeline.
2007	 */
2008	tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2009	if (bypass_lut)
2010		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2011	else
2012		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2013	WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2014
2015	if (bypass_lut)
2016		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2017
2018	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2019	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2020	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2021	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2022	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2023	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2024
2025	fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2026	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2027
2028	dce_v10_0_grph_enable(crtc, true);
2029
2030	WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2031	       target_fb->height);
2032
2033	x &= ~3;
2034	y &= ~1;
2035	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2036	       (x << 16) | y);
2037	viewport_w = crtc->mode.hdisplay;
2038	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2039	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2040	       (viewport_w << 16) | viewport_h);
2041
2042	/* set pageflip to happen anywhere in vblank interval */
2043	WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
 
 
 
 
 
 
 
2044
2045	if (!atomic && fb && fb != crtc->primary->fb) {
2046		amdgpu_fb = to_amdgpu_framebuffer(fb);
2047		abo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2048		r = amdgpu_bo_reserve(abo, true);
2049		if (unlikely(r != 0))
2050			return r;
2051		amdgpu_bo_unpin(abo);
2052		amdgpu_bo_unreserve(abo);
2053	}
2054
2055	/* Bytes per pixel may have changed */
2056	dce_v10_0_bandwidth_update(adev);
2057
2058	return 0;
2059}
2060
2061static void dce_v10_0_set_interleave(struct drm_crtc *crtc,
2062				     struct drm_display_mode *mode)
2063{
2064	struct drm_device *dev = crtc->dev;
2065	struct amdgpu_device *adev = dev->dev_private;
2066	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2067	u32 tmp;
2068
2069	tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2070	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2071		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2072	else
2073		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2074	WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2075}
2076
2077static void dce_v10_0_crtc_load_lut(struct drm_crtc *crtc)
2078{
2079	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2080	struct drm_device *dev = crtc->dev;
2081	struct amdgpu_device *adev = dev->dev_private;
2082	u16 *r, *g, *b;
2083	int i;
2084	u32 tmp;
2085
2086	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2087
2088	tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2089	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2090	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_OVL_MODE, 0);
2091	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2092
2093	tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2094	tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2095	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2096
2097	tmp = RREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset);
2098	tmp = REG_SET_FIELD(tmp, PRESCALE_OVL_CONTROL, OVL_PRESCALE_BYPASS, 1);
2099	WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2100
2101	tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2102	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2103	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, OVL_INPUT_GAMMA_MODE, 0);
2104	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2105
2106	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2107
2108	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2109	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2110	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2111
2112	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2113	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2114	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2115
2116	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2117	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2118
2119	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2120	r = crtc->gamma_store;
2121	g = r + crtc->gamma_size;
2122	b = g + crtc->gamma_size;
2123	for (i = 0; i < 256; i++) {
2124		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2125		       ((*r++ & 0xffc0) << 14) |
2126		       ((*g++ & 0xffc0) << 4) |
2127		       (*b++ >> 6));
2128	}
2129
2130	tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2131	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2132	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, OVL_DEGAMMA_MODE, 0);
2133	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2134	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2135
2136	tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2137	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2138	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, OVL_GAMUT_REMAP_MODE, 0);
2139	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2140
2141	tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2142	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2143	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, OVL_REGAMMA_MODE, 0);
2144	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2145
2146	tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2147	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2148	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_OVL_MODE, 0);
2149	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2150
2151	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2152	WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2153	/* XXX this only needs to be programmed once per crtc at startup,
2154	 * not sure where the best place for it is
2155	 */
2156	tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2157	tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2158	WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2159}
2160
2161static int dce_v10_0_pick_dig_encoder(struct drm_encoder *encoder)
2162{
2163	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2164	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2165
2166	switch (amdgpu_encoder->encoder_id) {
2167	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2168		if (dig->linkb)
2169			return 1;
2170		else
2171			return 0;
2172		break;
2173	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2174		if (dig->linkb)
2175			return 3;
2176		else
2177			return 2;
2178		break;
2179	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2180		if (dig->linkb)
2181			return 5;
2182		else
2183			return 4;
2184		break;
2185	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2186		return 6;
2187		break;
2188	default:
2189		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2190		return 0;
2191	}
2192}
2193
2194/**
2195 * dce_v10_0_pick_pll - Allocate a PPLL for use by the crtc.
2196 *
2197 * @crtc: drm crtc
2198 *
2199 * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2200 * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2201 * monitors a dedicated PPLL must be used.  If a particular board has
2202 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2203 * as there is no need to program the PLL itself.  If we are not able to
2204 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2205 * avoid messing up an existing monitor.
2206 *
2207 * Asic specific PLL information
2208 *
2209 * DCE 10.x
2210 * Tonga
2211 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2212 * CI
2213 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2214 *
2215 */
2216static u32 dce_v10_0_pick_pll(struct drm_crtc *crtc)
2217{
2218	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2219	struct drm_device *dev = crtc->dev;
2220	struct amdgpu_device *adev = dev->dev_private;
2221	u32 pll_in_use;
2222	int pll;
2223
2224	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2225		if (adev->clock.dp_extclk)
2226			/* skip PPLL programming if using ext clock */
2227			return ATOM_PPLL_INVALID;
2228		else {
2229			/* use the same PPLL for all DP monitors */
2230			pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2231			if (pll != ATOM_PPLL_INVALID)
2232				return pll;
2233		}
2234	} else {
2235		/* use the same PPLL for all monitors with the same clock */
2236		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2237		if (pll != ATOM_PPLL_INVALID)
2238			return pll;
2239	}
2240
2241	/* DCE10 has PPLL0, PPLL1, and PPLL2 */
2242	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2243	if (!(pll_in_use & (1 << ATOM_PPLL2)))
2244		return ATOM_PPLL2;
2245	if (!(pll_in_use & (1 << ATOM_PPLL1)))
2246		return ATOM_PPLL1;
2247	if (!(pll_in_use & (1 << ATOM_PPLL0)))
2248		return ATOM_PPLL0;
2249	DRM_ERROR("unable to allocate a PPLL\n");
2250	return ATOM_PPLL_INVALID;
2251}
2252
2253static void dce_v10_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2254{
2255	struct amdgpu_device *adev = crtc->dev->dev_private;
2256	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2257	uint32_t cur_lock;
2258
2259	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2260	if (lock)
2261		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2262	else
2263		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2264	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2265}
2266
2267static void dce_v10_0_hide_cursor(struct drm_crtc *crtc)
2268{
2269	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2270	struct amdgpu_device *adev = crtc->dev->dev_private;
2271	u32 tmp;
2272
2273	tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2274	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2275	WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2276}
2277
2278static void dce_v10_0_show_cursor(struct drm_crtc *crtc)
2279{
2280	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2281	struct amdgpu_device *adev = crtc->dev->dev_private;
2282	u32 tmp;
2283
2284	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2285	       upper_32_bits(amdgpu_crtc->cursor_addr));
2286	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2287	       lower_32_bits(amdgpu_crtc->cursor_addr));
2288
2289	tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2290	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2291	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2292	WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2293}
2294
2295static int dce_v10_0_cursor_move_locked(struct drm_crtc *crtc,
2296					int x, int y)
2297{
2298	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2299	struct amdgpu_device *adev = crtc->dev->dev_private;
2300	int xorigin = 0, yorigin = 0;
2301
2302	amdgpu_crtc->cursor_x = x;
2303	amdgpu_crtc->cursor_y = y;
2304
2305	/* avivo cursor are offset into the total surface */
2306	x += crtc->x;
2307	y += crtc->y;
2308	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2309
2310	if (x < 0) {
2311		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2312		x = 0;
2313	}
2314	if (y < 0) {
2315		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2316		y = 0;
2317	}
2318
2319	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2320	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2321	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2322	       ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2323
 
 
 
2324	return 0;
2325}
2326
2327static int dce_v10_0_crtc_cursor_move(struct drm_crtc *crtc,
2328				      int x, int y)
2329{
2330	int ret;
2331
2332	dce_v10_0_lock_cursor(crtc, true);
2333	ret = dce_v10_0_cursor_move_locked(crtc, x, y);
2334	dce_v10_0_lock_cursor(crtc, false);
2335
2336	return ret;
2337}
2338
2339static int dce_v10_0_crtc_cursor_set2(struct drm_crtc *crtc,
2340				      struct drm_file *file_priv,
2341				      uint32_t handle,
2342				      uint32_t width,
2343				      uint32_t height,
2344				      int32_t hot_x,
2345				      int32_t hot_y)
2346{
2347	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2348	struct drm_gem_object *obj;
2349	struct amdgpu_bo *aobj;
2350	int ret;
2351
2352	if (!handle) {
2353		/* turn off cursor */
2354		dce_v10_0_hide_cursor(crtc);
2355		obj = NULL;
2356		goto unpin;
2357	}
2358
2359	if ((width > amdgpu_crtc->max_cursor_width) ||
2360	    (height > amdgpu_crtc->max_cursor_height)) {
2361		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2362		return -EINVAL;
2363	}
2364
2365	obj = drm_gem_object_lookup(file_priv, handle);
2366	if (!obj) {
2367		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2368		return -ENOENT;
2369	}
2370
2371	aobj = gem_to_amdgpu_bo(obj);
2372	ret = amdgpu_bo_reserve(aobj, false);
2373	if (ret != 0) {
2374		drm_gem_object_put_unlocked(obj);
2375		return ret;
2376	}
2377
2378	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM, &amdgpu_crtc->cursor_addr);
2379	amdgpu_bo_unreserve(aobj);
2380	if (ret) {
2381		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2382		drm_gem_object_put_unlocked(obj);
2383		return ret;
2384	}
2385
 
 
 
2386	dce_v10_0_lock_cursor(crtc, true);
2387
2388	if (width != amdgpu_crtc->cursor_width ||
2389	    height != amdgpu_crtc->cursor_height ||
2390	    hot_x != amdgpu_crtc->cursor_hot_x ||
2391	    hot_y != amdgpu_crtc->cursor_hot_y) {
2392		int x, y;
2393
2394		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2395		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2396
2397		dce_v10_0_cursor_move_locked(crtc, x, y);
2398
2399		amdgpu_crtc->cursor_width = width;
2400		amdgpu_crtc->cursor_height = height;
2401		amdgpu_crtc->cursor_hot_x = hot_x;
2402		amdgpu_crtc->cursor_hot_y = hot_y;
2403	}
2404
2405	dce_v10_0_show_cursor(crtc);
2406	dce_v10_0_lock_cursor(crtc, false);
2407
2408unpin:
2409	if (amdgpu_crtc->cursor_bo) {
2410		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2411		ret = amdgpu_bo_reserve(aobj, true);
2412		if (likely(ret == 0)) {
2413			amdgpu_bo_unpin(aobj);
2414			amdgpu_bo_unreserve(aobj);
2415		}
2416		drm_gem_object_put_unlocked(amdgpu_crtc->cursor_bo);
2417	}
2418
2419	amdgpu_crtc->cursor_bo = obj;
2420	return 0;
2421}
2422
2423static void dce_v10_0_cursor_reset(struct drm_crtc *crtc)
2424{
2425	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2426
2427	if (amdgpu_crtc->cursor_bo) {
2428		dce_v10_0_lock_cursor(crtc, true);
2429
2430		dce_v10_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2431					     amdgpu_crtc->cursor_y);
2432
2433		dce_v10_0_show_cursor(crtc);
2434
2435		dce_v10_0_lock_cursor(crtc, false);
2436	}
2437}
2438
2439static int dce_v10_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2440				    u16 *blue, uint32_t size,
2441				    struct drm_modeset_acquire_ctx *ctx)
2442{
2443	dce_v10_0_crtc_load_lut(crtc);
 
2444
2445	return 0;
 
 
 
 
 
 
2446}
2447
2448static void dce_v10_0_crtc_destroy(struct drm_crtc *crtc)
2449{
2450	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2451
2452	drm_crtc_cleanup(crtc);
2453	kfree(amdgpu_crtc);
2454}
2455
2456static const struct drm_crtc_funcs dce_v10_0_crtc_funcs = {
2457	.cursor_set2 = dce_v10_0_crtc_cursor_set2,
2458	.cursor_move = dce_v10_0_crtc_cursor_move,
2459	.gamma_set = dce_v10_0_crtc_gamma_set,
2460	.set_config = amdgpu_display_crtc_set_config,
2461	.destroy = dce_v10_0_crtc_destroy,
2462	.page_flip_target = amdgpu_display_crtc_page_flip_target,
2463};
2464
2465static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2466{
2467	struct drm_device *dev = crtc->dev;
2468	struct amdgpu_device *adev = dev->dev_private;
2469	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2470	unsigned type;
2471
2472	switch (mode) {
2473	case DRM_MODE_DPMS_ON:
2474		amdgpu_crtc->enabled = true;
2475		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2476		dce_v10_0_vga_enable(crtc, true);
2477		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2478		dce_v10_0_vga_enable(crtc, false);
2479		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2480		type = amdgpu_display_crtc_idx_to_irq_type(adev,
2481						amdgpu_crtc->crtc_id);
2482		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2483		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2484		drm_crtc_vblank_on(crtc);
2485		dce_v10_0_crtc_load_lut(crtc);
2486		break;
2487	case DRM_MODE_DPMS_STANDBY:
2488	case DRM_MODE_DPMS_SUSPEND:
2489	case DRM_MODE_DPMS_OFF:
2490		drm_crtc_vblank_off(crtc);
2491		if (amdgpu_crtc->enabled) {
2492			dce_v10_0_vga_enable(crtc, true);
2493			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2494			dce_v10_0_vga_enable(crtc, false);
2495		}
2496		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2497		amdgpu_crtc->enabled = false;
2498		break;
2499	}
2500	/* adjust pm to dpms */
2501	amdgpu_pm_compute_clocks(adev);
2502}
2503
2504static void dce_v10_0_crtc_prepare(struct drm_crtc *crtc)
2505{
2506	/* disable crtc pair power gating before programming */
2507	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2508	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2509	dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2510}
2511
2512static void dce_v10_0_crtc_commit(struct drm_crtc *crtc)
2513{
2514	dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2515	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2516}
2517
2518static void dce_v10_0_crtc_disable(struct drm_crtc *crtc)
2519{
2520	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2521	struct drm_device *dev = crtc->dev;
2522	struct amdgpu_device *adev = dev->dev_private;
2523	struct amdgpu_atom_ss ss;
2524	int i;
2525
2526	dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2527	if (crtc->primary->fb) {
2528		int r;
2529		struct amdgpu_framebuffer *amdgpu_fb;
2530		struct amdgpu_bo *abo;
2531
2532		amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2533		abo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2534		r = amdgpu_bo_reserve(abo, true);
2535		if (unlikely(r))
2536			DRM_ERROR("failed to reserve abo before unpin\n");
2537		else {
2538			amdgpu_bo_unpin(abo);
2539			amdgpu_bo_unreserve(abo);
2540		}
2541	}
2542	/* disable the GRPH */
2543	dce_v10_0_grph_enable(crtc, false);
2544
2545	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2546
2547	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2548		if (adev->mode_info.crtcs[i] &&
2549		    adev->mode_info.crtcs[i]->enabled &&
2550		    i != amdgpu_crtc->crtc_id &&
2551		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2552			/* one other crtc is using this pll don't turn
2553			 * off the pll
2554			 */
2555			goto done;
2556		}
2557	}
2558
2559	switch (amdgpu_crtc->pll_id) {
2560	case ATOM_PPLL0:
2561	case ATOM_PPLL1:
2562	case ATOM_PPLL2:
2563		/* disable the ppll */
2564		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2565					  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2566		break;
2567	default:
2568		break;
2569	}
2570done:
2571	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2572	amdgpu_crtc->adjusted_clock = 0;
2573	amdgpu_crtc->encoder = NULL;
2574	amdgpu_crtc->connector = NULL;
2575}
2576
2577static int dce_v10_0_crtc_mode_set(struct drm_crtc *crtc,
2578				  struct drm_display_mode *mode,
2579				  struct drm_display_mode *adjusted_mode,
2580				  int x, int y, struct drm_framebuffer *old_fb)
2581{
2582	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2583
2584	if (!amdgpu_crtc->adjusted_clock)
2585		return -EINVAL;
2586
2587	amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2588	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2589	dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2590	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2591	amdgpu_atombios_crtc_scaler_setup(crtc);
2592	dce_v10_0_cursor_reset(crtc);
2593	/* update the hw version fpr dpm */
2594	amdgpu_crtc->hw_mode = *adjusted_mode;
2595
2596	return 0;
2597}
2598
2599static bool dce_v10_0_crtc_mode_fixup(struct drm_crtc *crtc,
2600				     const struct drm_display_mode *mode,
2601				     struct drm_display_mode *adjusted_mode)
2602{
2603	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2604	struct drm_device *dev = crtc->dev;
2605	struct drm_encoder *encoder;
2606
2607	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2608	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2609		if (encoder->crtc == crtc) {
2610			amdgpu_crtc->encoder = encoder;
2611			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2612			break;
2613		}
2614	}
2615	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2616		amdgpu_crtc->encoder = NULL;
2617		amdgpu_crtc->connector = NULL;
2618		return false;
2619	}
2620	if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2621		return false;
2622	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2623		return false;
2624	/* pick pll */
2625	amdgpu_crtc->pll_id = dce_v10_0_pick_pll(crtc);
2626	/* if we can't get a PPLL for a non-DP encoder, fail */
2627	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2628	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2629		return false;
2630
2631	return true;
2632}
2633
2634static int dce_v10_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2635				  struct drm_framebuffer *old_fb)
2636{
2637	return dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2638}
2639
2640static int dce_v10_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2641					 struct drm_framebuffer *fb,
2642					 int x, int y, enum mode_set_atomic state)
2643{
2644       return dce_v10_0_crtc_do_set_base(crtc, fb, x, y, 1);
2645}
2646
2647static const struct drm_crtc_helper_funcs dce_v10_0_crtc_helper_funcs = {
2648	.dpms = dce_v10_0_crtc_dpms,
2649	.mode_fixup = dce_v10_0_crtc_mode_fixup,
2650	.mode_set = dce_v10_0_crtc_mode_set,
2651	.mode_set_base = dce_v10_0_crtc_set_base,
2652	.mode_set_base_atomic = dce_v10_0_crtc_set_base_atomic,
2653	.prepare = dce_v10_0_crtc_prepare,
2654	.commit = dce_v10_0_crtc_commit,
 
2655	.disable = dce_v10_0_crtc_disable,
2656};
2657
2658static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index)
2659{
2660	struct amdgpu_crtc *amdgpu_crtc;
 
2661
2662	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2663			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2664	if (amdgpu_crtc == NULL)
2665		return -ENOMEM;
2666
2667	drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v10_0_crtc_funcs);
2668
2669	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2670	amdgpu_crtc->crtc_id = index;
2671	adev->mode_info.crtcs[index] = amdgpu_crtc;
2672
2673	amdgpu_crtc->max_cursor_width = 128;
2674	amdgpu_crtc->max_cursor_height = 128;
2675	adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2676	adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2677
 
 
 
 
 
 
2678	switch (amdgpu_crtc->crtc_id) {
2679	case 0:
2680	default:
2681		amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2682		break;
2683	case 1:
2684		amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2685		break;
2686	case 2:
2687		amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2688		break;
2689	case 3:
2690		amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2691		break;
2692	case 4:
2693		amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2694		break;
2695	case 5:
2696		amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2697		break;
2698	}
2699
2700	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2701	amdgpu_crtc->adjusted_clock = 0;
2702	amdgpu_crtc->encoder = NULL;
2703	amdgpu_crtc->connector = NULL;
2704	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v10_0_crtc_helper_funcs);
2705
2706	return 0;
2707}
2708
2709static int dce_v10_0_early_init(void *handle)
2710{
2711	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2712
2713	adev->audio_endpt_rreg = &dce_v10_0_audio_endpt_rreg;
2714	adev->audio_endpt_wreg = &dce_v10_0_audio_endpt_wreg;
2715
2716	dce_v10_0_set_display_funcs(adev);
2717
2718	adev->mode_info.num_crtc = dce_v10_0_get_num_crtc(adev);
2719
2720	switch (adev->asic_type) {
2721	case CHIP_FIJI:
2722	case CHIP_TONGA:
 
2723		adev->mode_info.num_hpd = 6;
2724		adev->mode_info.num_dig = 7;
2725		break;
2726	default:
2727		/* FIXME: not supported yet */
2728		return -EINVAL;
2729	}
2730
2731	dce_v10_0_set_irq_funcs(adev);
2732
2733	return 0;
2734}
2735
2736static int dce_v10_0_sw_init(void *handle)
2737{
2738	int r, i;
2739	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2740
2741	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2742		r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2743		if (r)
2744			return r;
2745	}
2746
2747	for (i = 8; i < 20; i += 2) {
2748		r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2749		if (r)
2750			return r;
2751	}
2752
2753	/* HPD hotplug */
2754	r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2755	if (r)
2756		return r;
2757
2758	adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2759
2760	adev->ddev->mode_config.async_page_flip = true;
2761
2762	adev->ddev->mode_config.max_width = 16384;
2763	adev->ddev->mode_config.max_height = 16384;
2764
2765	adev->ddev->mode_config.preferred_depth = 24;
2766	adev->ddev->mode_config.prefer_shadow = 1;
2767
2768	adev->ddev->mode_config.fb_base = adev->gmc.aper_base;
2769
2770	r = amdgpu_display_modeset_create_props(adev);
2771	if (r)
2772		return r;
2773
2774	adev->ddev->mode_config.max_width = 16384;
2775	adev->ddev->mode_config.max_height = 16384;
2776
2777	/* allocate crtcs */
2778	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2779		r = dce_v10_0_crtc_init(adev, i);
2780		if (r)
2781			return r;
2782	}
2783
2784	if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2785		amdgpu_display_print_display_setup(adev->ddev);
2786	else
2787		return -EINVAL;
2788
2789	/* setup afmt */
2790	r = dce_v10_0_afmt_init(adev);
2791	if (r)
2792		return r;
2793
2794	r = dce_v10_0_audio_init(adev);
2795	if (r)
2796		return r;
2797
2798	drm_kms_helper_poll_init(adev->ddev);
2799
2800	adev->mode_info.mode_config_initialized = true;
2801	return 0;
2802}
2803
2804static int dce_v10_0_sw_fini(void *handle)
2805{
2806	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2807
2808	kfree(adev->mode_info.bios_hardcoded_edid);
2809
2810	drm_kms_helper_poll_fini(adev->ddev);
2811
2812	dce_v10_0_audio_fini(adev);
2813
2814	dce_v10_0_afmt_fini(adev);
2815
2816	drm_mode_config_cleanup(adev->ddev);
2817	adev->mode_info.mode_config_initialized = false;
2818
2819	return 0;
2820}
2821
2822static int dce_v10_0_hw_init(void *handle)
2823{
2824	int i;
2825	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2826
2827	dce_v10_0_init_golden_registers(adev);
2828
2829	/* disable vga render */
2830	dce_v10_0_set_vga_render_state(adev, false);
2831	/* init dig PHYs, disp eng pll */
2832	amdgpu_atombios_encoder_init_dig(adev);
2833	amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2834
2835	/* initialize hpd */
2836	dce_v10_0_hpd_init(adev);
2837
2838	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2839		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2840	}
2841
2842	dce_v10_0_pageflip_interrupt_init(adev);
2843
2844	return 0;
2845}
2846
2847static int dce_v10_0_hw_fini(void *handle)
2848{
2849	int i;
2850	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2851
2852	dce_v10_0_hpd_fini(adev);
2853
2854	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2855		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2856	}
2857
2858	dce_v10_0_pageflip_interrupt_fini(adev);
2859
2860	return 0;
2861}
2862
2863static int dce_v10_0_suspend(void *handle)
2864{
2865	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2866
2867	adev->mode_info.bl_level =
2868		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2869
2870	return dce_v10_0_hw_fini(handle);
2871}
2872
2873static int dce_v10_0_resume(void *handle)
2874{
2875	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2876	int ret;
2877
2878	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2879							   adev->mode_info.bl_level);
2880
2881	ret = dce_v10_0_hw_init(handle);
2882
 
 
2883	/* turn on the BL */
2884	if (adev->mode_info.bl_encoder) {
2885		u8 bl_level = amdgpu_display_backlight_get_level(adev,
2886								  adev->mode_info.bl_encoder);
2887		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2888						    bl_level);
2889	}
2890
2891	return ret;
2892}
2893
2894static bool dce_v10_0_is_idle(void *handle)
2895{
2896	return true;
2897}
2898
2899static int dce_v10_0_wait_for_idle(void *handle)
2900{
2901	return 0;
2902}
2903
2904static bool dce_v10_0_check_soft_reset(void *handle)
2905{
2906	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2907
2908	return dce_v10_0_is_display_hung(adev);
 
2909}
2910
2911static int dce_v10_0_soft_reset(void *handle)
2912{
2913	u32 srbm_soft_reset = 0, tmp;
2914	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2915
2916	if (dce_v10_0_is_display_hung(adev))
2917		srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
2918
2919	if (srbm_soft_reset) {
 
 
2920		tmp = RREG32(mmSRBM_SOFT_RESET);
2921		tmp |= srbm_soft_reset;
2922		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
2923		WREG32(mmSRBM_SOFT_RESET, tmp);
2924		tmp = RREG32(mmSRBM_SOFT_RESET);
2925
2926		udelay(50);
2927
2928		tmp &= ~srbm_soft_reset;
2929		WREG32(mmSRBM_SOFT_RESET, tmp);
2930		tmp = RREG32(mmSRBM_SOFT_RESET);
2931
2932		/* Wait a little for things to settle down */
2933		udelay(50);
 
2934	}
2935	return 0;
2936}
2937
2938static void dce_v10_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2939						     int crtc,
2940						     enum amdgpu_interrupt_state state)
2941{
2942	u32 lb_interrupt_mask;
2943
2944	if (crtc >= adev->mode_info.num_crtc) {
2945		DRM_DEBUG("invalid crtc %d\n", crtc);
2946		return;
2947	}
2948
2949	switch (state) {
2950	case AMDGPU_IRQ_STATE_DISABLE:
2951		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
2952		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
2953						  VBLANK_INTERRUPT_MASK, 0);
2954		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
2955		break;
2956	case AMDGPU_IRQ_STATE_ENABLE:
2957		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
2958		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
2959						  VBLANK_INTERRUPT_MASK, 1);
2960		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
2961		break;
2962	default:
2963		break;
2964	}
2965}
2966
2967static void dce_v10_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2968						    int crtc,
2969						    enum amdgpu_interrupt_state state)
2970{
2971	u32 lb_interrupt_mask;
2972
2973	if (crtc >= adev->mode_info.num_crtc) {
2974		DRM_DEBUG("invalid crtc %d\n", crtc);
2975		return;
2976	}
2977
2978	switch (state) {
2979	case AMDGPU_IRQ_STATE_DISABLE:
2980		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
2981		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
2982						  VLINE_INTERRUPT_MASK, 0);
2983		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
2984		break;
2985	case AMDGPU_IRQ_STATE_ENABLE:
2986		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
2987		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
2988						  VLINE_INTERRUPT_MASK, 1);
2989		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
2990		break;
2991	default:
2992		break;
2993	}
2994}
2995
2996static int dce_v10_0_set_hpd_irq_state(struct amdgpu_device *adev,
2997				       struct amdgpu_irq_src *source,
2998				       unsigned hpd,
2999				       enum amdgpu_interrupt_state state)
3000{
3001	u32 tmp;
3002
3003	if (hpd >= adev->mode_info.num_hpd) {
3004		DRM_DEBUG("invalid hdp %d\n", hpd);
3005		return 0;
3006	}
3007
3008	switch (state) {
3009	case AMDGPU_IRQ_STATE_DISABLE:
3010		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3011		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3012		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3013		break;
3014	case AMDGPU_IRQ_STATE_ENABLE:
3015		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3016		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3017		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3018		break;
3019	default:
3020		break;
3021	}
3022
3023	return 0;
3024}
3025
3026static int dce_v10_0_set_crtc_irq_state(struct amdgpu_device *adev,
3027					struct amdgpu_irq_src *source,
3028					unsigned type,
3029					enum amdgpu_interrupt_state state)
3030{
3031	switch (type) {
3032	case AMDGPU_CRTC_IRQ_VBLANK1:
3033		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3034		break;
3035	case AMDGPU_CRTC_IRQ_VBLANK2:
3036		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3037		break;
3038	case AMDGPU_CRTC_IRQ_VBLANK3:
3039		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3040		break;
3041	case AMDGPU_CRTC_IRQ_VBLANK4:
3042		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3043		break;
3044	case AMDGPU_CRTC_IRQ_VBLANK5:
3045		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3046		break;
3047	case AMDGPU_CRTC_IRQ_VBLANK6:
3048		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3049		break;
3050	case AMDGPU_CRTC_IRQ_VLINE1:
3051		dce_v10_0_set_crtc_vline_interrupt_state(adev, 0, state);
3052		break;
3053	case AMDGPU_CRTC_IRQ_VLINE2:
3054		dce_v10_0_set_crtc_vline_interrupt_state(adev, 1, state);
3055		break;
3056	case AMDGPU_CRTC_IRQ_VLINE3:
3057		dce_v10_0_set_crtc_vline_interrupt_state(adev, 2, state);
3058		break;
3059	case AMDGPU_CRTC_IRQ_VLINE4:
3060		dce_v10_0_set_crtc_vline_interrupt_state(adev, 3, state);
3061		break;
3062	case AMDGPU_CRTC_IRQ_VLINE5:
3063		dce_v10_0_set_crtc_vline_interrupt_state(adev, 4, state);
3064		break;
3065	case AMDGPU_CRTC_IRQ_VLINE6:
3066		dce_v10_0_set_crtc_vline_interrupt_state(adev, 5, state);
3067		break;
3068	default:
3069		break;
3070	}
3071	return 0;
3072}
3073
3074static int dce_v10_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3075					    struct amdgpu_irq_src *src,
3076					    unsigned type,
3077					    enum amdgpu_interrupt_state state)
3078{
3079	u32 reg;
3080
3081	if (type >= adev->mode_info.num_crtc) {
3082		DRM_ERROR("invalid pageflip crtc %d\n", type);
3083		return -EINVAL;
3084	}
3085
3086	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3087	if (state == AMDGPU_IRQ_STATE_DISABLE)
3088		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3089		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3090	else
3091		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3092		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3093
3094	return 0;
3095}
3096
3097static int dce_v10_0_pageflip_irq(struct amdgpu_device *adev,
3098				  struct amdgpu_irq_src *source,
3099				  struct amdgpu_iv_entry *entry)
3100{
3101	unsigned long flags;
3102	unsigned crtc_id;
3103	struct amdgpu_crtc *amdgpu_crtc;
3104	struct amdgpu_flip_work *works;
3105
3106	crtc_id = (entry->src_id - 8) >> 1;
3107	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3108
3109	if (crtc_id >= adev->mode_info.num_crtc) {
3110		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3111		return -EINVAL;
3112	}
3113
3114	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3115	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3116		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3117		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3118
3119	/* IRQ could occur when in initial stage */
3120	if (amdgpu_crtc == NULL)
3121		return 0;
3122
3123	spin_lock_irqsave(&adev->ddev->event_lock, flags);
3124	works = amdgpu_crtc->pflip_works;
3125	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) {
3126		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3127						 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3128						 amdgpu_crtc->pflip_status,
3129						 AMDGPU_FLIP_SUBMITTED);
3130		spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3131		return 0;
3132	}
3133
3134	/* page flip completed. clean up */
3135	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3136	amdgpu_crtc->pflip_works = NULL;
3137
3138	/* wakeup usersapce */
3139	if (works->event)
3140		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3141
3142	spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3143
3144	drm_crtc_vblank_put(&amdgpu_crtc->base);
3145	schedule_work(&works->unpin_work);
3146
3147	return 0;
3148}
3149
3150static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev,
3151				  int hpd)
3152{
3153	u32 tmp;
3154
3155	if (hpd >= adev->mode_info.num_hpd) {
3156		DRM_DEBUG("invalid hdp %d\n", hpd);
3157		return;
3158	}
3159
3160	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3161	tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3162	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3163}
3164
3165static void dce_v10_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3166					  int crtc)
3167{
3168	u32 tmp;
3169
3170	if (crtc >= adev->mode_info.num_crtc) {
3171		DRM_DEBUG("invalid crtc %d\n", crtc);
3172		return;
3173	}
3174
3175	tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3176	tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3177	WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3178}
3179
3180static void dce_v10_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3181					 int crtc)
3182{
3183	u32 tmp;
3184
3185	if (crtc >= adev->mode_info.num_crtc) {
3186		DRM_DEBUG("invalid crtc %d\n", crtc);
3187		return;
3188	}
3189
3190	tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3191	tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3192	WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3193}
3194
3195static int dce_v10_0_crtc_irq(struct amdgpu_device *adev,
3196			      struct amdgpu_irq_src *source,
3197			      struct amdgpu_iv_entry *entry)
3198{
3199	unsigned crtc = entry->src_id - 1;
3200	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3201	unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev, crtc);
3202
3203	switch (entry->src_data[0]) {
3204	case 0: /* vblank */
3205		if (disp_int & interrupt_status_offsets[crtc].vblank)
3206			dce_v10_0_crtc_vblank_int_ack(adev, crtc);
3207		else
3208			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3209
3210		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3211			drm_handle_vblank(adev->ddev, crtc);
3212		}
3213		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3214
3215		break;
3216	case 1: /* vline */
3217		if (disp_int & interrupt_status_offsets[crtc].vline)
3218			dce_v10_0_crtc_vline_int_ack(adev, crtc);
3219		else
3220			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3221
3222		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3223
3224		break;
3225	default:
3226		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3227		break;
3228	}
3229
3230	return 0;
3231}
3232
3233static int dce_v10_0_hpd_irq(struct amdgpu_device *adev,
3234			     struct amdgpu_irq_src *source,
3235			     struct amdgpu_iv_entry *entry)
3236{
3237	uint32_t disp_int, mask;
3238	unsigned hpd;
3239
3240	if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3241		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3242		return 0;
3243	}
3244
3245	hpd = entry->src_data[0];
3246	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3247	mask = interrupt_status_offsets[hpd].hpd;
3248
3249	if (disp_int & mask) {
3250		dce_v10_0_hpd_int_ack(adev, hpd);
3251		schedule_work(&adev->hotplug_work);
3252		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3253	}
3254
3255	return 0;
3256}
3257
3258static int dce_v10_0_set_clockgating_state(void *handle,
3259					  enum amd_clockgating_state state)
3260{
3261	return 0;
3262}
3263
3264static int dce_v10_0_set_powergating_state(void *handle,
3265					  enum amd_powergating_state state)
3266{
3267	return 0;
3268}
3269
3270static const struct amd_ip_funcs dce_v10_0_ip_funcs = {
3271	.name = "dce_v10_0",
3272	.early_init = dce_v10_0_early_init,
3273	.late_init = NULL,
3274	.sw_init = dce_v10_0_sw_init,
3275	.sw_fini = dce_v10_0_sw_fini,
3276	.hw_init = dce_v10_0_hw_init,
3277	.hw_fini = dce_v10_0_hw_fini,
3278	.suspend = dce_v10_0_suspend,
3279	.resume = dce_v10_0_resume,
3280	.is_idle = dce_v10_0_is_idle,
3281	.wait_for_idle = dce_v10_0_wait_for_idle,
3282	.check_soft_reset = dce_v10_0_check_soft_reset,
3283	.soft_reset = dce_v10_0_soft_reset,
 
3284	.set_clockgating_state = dce_v10_0_set_clockgating_state,
3285	.set_powergating_state = dce_v10_0_set_powergating_state,
3286};
3287
3288static void
3289dce_v10_0_encoder_mode_set(struct drm_encoder *encoder,
3290			  struct drm_display_mode *mode,
3291			  struct drm_display_mode *adjusted_mode)
3292{
3293	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3294
3295	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3296
3297	/* need to call this here rather than in prepare() since we need some crtc info */
3298	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3299
3300	/* set scaler clears this on some chips */
3301	dce_v10_0_set_interleave(encoder->crtc, mode);
3302
3303	if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3304		dce_v10_0_afmt_enable(encoder, true);
3305		dce_v10_0_afmt_setmode(encoder, adjusted_mode);
3306	}
3307}
3308
3309static void dce_v10_0_encoder_prepare(struct drm_encoder *encoder)
3310{
3311	struct amdgpu_device *adev = encoder->dev->dev_private;
3312	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3313	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3314
3315	if ((amdgpu_encoder->active_device &
3316	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3317	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3318	     ENCODER_OBJECT_ID_NONE)) {
3319		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3320		if (dig) {
3321			dig->dig_encoder = dce_v10_0_pick_dig_encoder(encoder);
3322			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3323				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3324		}
3325	}
3326
3327	amdgpu_atombios_scratch_regs_lock(adev, true);
3328
3329	if (connector) {
3330		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3331
3332		/* select the clock/data port if it uses a router */
3333		if (amdgpu_connector->router.cd_valid)
3334			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3335
3336		/* turn eDP panel on for mode set */
3337		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3338			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3339							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3340	}
3341
3342	/* this is needed for the pll/ss setup to work correctly in some cases */
3343	amdgpu_atombios_encoder_set_crtc_source(encoder);
3344	/* set up the FMT blocks */
3345	dce_v10_0_program_fmt(encoder);
3346}
3347
3348static void dce_v10_0_encoder_commit(struct drm_encoder *encoder)
3349{
3350	struct drm_device *dev = encoder->dev;
3351	struct amdgpu_device *adev = dev->dev_private;
3352
3353	/* need to call this here as we need the crtc set up */
3354	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3355	amdgpu_atombios_scratch_regs_lock(adev, false);
3356}
3357
3358static void dce_v10_0_encoder_disable(struct drm_encoder *encoder)
3359{
3360	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3361	struct amdgpu_encoder_atom_dig *dig;
3362
3363	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3364
3365	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3366		if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3367			dce_v10_0_afmt_enable(encoder, false);
3368		dig = amdgpu_encoder->enc_priv;
3369		dig->dig_encoder = -1;
3370	}
3371	amdgpu_encoder->active_device = 0;
3372}
3373
3374/* these are handled by the primary encoders */
3375static void dce_v10_0_ext_prepare(struct drm_encoder *encoder)
3376{
3377
3378}
3379
3380static void dce_v10_0_ext_commit(struct drm_encoder *encoder)
3381{
3382
3383}
3384
3385static void
3386dce_v10_0_ext_mode_set(struct drm_encoder *encoder,
3387		      struct drm_display_mode *mode,
3388		      struct drm_display_mode *adjusted_mode)
3389{
3390
3391}
3392
3393static void dce_v10_0_ext_disable(struct drm_encoder *encoder)
3394{
3395
3396}
3397
3398static void
3399dce_v10_0_ext_dpms(struct drm_encoder *encoder, int mode)
3400{
3401
3402}
3403
3404static const struct drm_encoder_helper_funcs dce_v10_0_ext_helper_funcs = {
3405	.dpms = dce_v10_0_ext_dpms,
3406	.prepare = dce_v10_0_ext_prepare,
3407	.mode_set = dce_v10_0_ext_mode_set,
3408	.commit = dce_v10_0_ext_commit,
3409	.disable = dce_v10_0_ext_disable,
3410	/* no detect for TMDS/LVDS yet */
3411};
3412
3413static const struct drm_encoder_helper_funcs dce_v10_0_dig_helper_funcs = {
3414	.dpms = amdgpu_atombios_encoder_dpms,
3415	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3416	.prepare = dce_v10_0_encoder_prepare,
3417	.mode_set = dce_v10_0_encoder_mode_set,
3418	.commit = dce_v10_0_encoder_commit,
3419	.disable = dce_v10_0_encoder_disable,
3420	.detect = amdgpu_atombios_encoder_dig_detect,
3421};
3422
3423static const struct drm_encoder_helper_funcs dce_v10_0_dac_helper_funcs = {
3424	.dpms = amdgpu_atombios_encoder_dpms,
3425	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3426	.prepare = dce_v10_0_encoder_prepare,
3427	.mode_set = dce_v10_0_encoder_mode_set,
3428	.commit = dce_v10_0_encoder_commit,
3429	.detect = amdgpu_atombios_encoder_dac_detect,
3430};
3431
3432static void dce_v10_0_encoder_destroy(struct drm_encoder *encoder)
3433{
3434	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3435	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3436		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3437	kfree(amdgpu_encoder->enc_priv);
3438	drm_encoder_cleanup(encoder);
3439	kfree(amdgpu_encoder);
3440}
3441
3442static const struct drm_encoder_funcs dce_v10_0_encoder_funcs = {
3443	.destroy = dce_v10_0_encoder_destroy,
3444};
3445
3446static void dce_v10_0_encoder_add(struct amdgpu_device *adev,
3447				 uint32_t encoder_enum,
3448				 uint32_t supported_device,
3449				 u16 caps)
3450{
3451	struct drm_device *dev = adev->ddev;
3452	struct drm_encoder *encoder;
3453	struct amdgpu_encoder *amdgpu_encoder;
3454
3455	/* see if we already added it */
3456	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3457		amdgpu_encoder = to_amdgpu_encoder(encoder);
3458		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3459			amdgpu_encoder->devices |= supported_device;
3460			return;
3461		}
3462
3463	}
3464
3465	/* add a new one */
3466	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3467	if (!amdgpu_encoder)
3468		return;
3469
3470	encoder = &amdgpu_encoder->base;
3471	switch (adev->mode_info.num_crtc) {
3472	case 1:
3473		encoder->possible_crtcs = 0x1;
3474		break;
3475	case 2:
3476	default:
3477		encoder->possible_crtcs = 0x3;
3478		break;
3479	case 4:
3480		encoder->possible_crtcs = 0xf;
3481		break;
3482	case 6:
3483		encoder->possible_crtcs = 0x3f;
3484		break;
3485	}
3486
3487	amdgpu_encoder->enc_priv = NULL;
3488
3489	amdgpu_encoder->encoder_enum = encoder_enum;
3490	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3491	amdgpu_encoder->devices = supported_device;
3492	amdgpu_encoder->rmx_type = RMX_OFF;
3493	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3494	amdgpu_encoder->is_ext_encoder = false;
3495	amdgpu_encoder->caps = caps;
3496
3497	switch (amdgpu_encoder->encoder_id) {
3498	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3499	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3500		drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3501				 DRM_MODE_ENCODER_DAC, NULL);
3502		drm_encoder_helper_add(encoder, &dce_v10_0_dac_helper_funcs);
3503		break;
3504	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3505	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3506	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3507	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3508	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3509		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3510			amdgpu_encoder->rmx_type = RMX_FULL;
3511			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3512					 DRM_MODE_ENCODER_LVDS, NULL);
3513			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3514		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3515			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3516					 DRM_MODE_ENCODER_DAC, NULL);
3517			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3518		} else {
3519			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3520					 DRM_MODE_ENCODER_TMDS, NULL);
3521			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3522		}
3523		drm_encoder_helper_add(encoder, &dce_v10_0_dig_helper_funcs);
3524		break;
3525	case ENCODER_OBJECT_ID_SI170B:
3526	case ENCODER_OBJECT_ID_CH7303:
3527	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3528	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3529	case ENCODER_OBJECT_ID_TITFP513:
3530	case ENCODER_OBJECT_ID_VT1623:
3531	case ENCODER_OBJECT_ID_HDMI_SI1930:
3532	case ENCODER_OBJECT_ID_TRAVIS:
3533	case ENCODER_OBJECT_ID_NUTMEG:
3534		/* these are handled by the primary encoders */
3535		amdgpu_encoder->is_ext_encoder = true;
3536		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3537			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3538					 DRM_MODE_ENCODER_LVDS, NULL);
3539		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3540			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3541					 DRM_MODE_ENCODER_DAC, NULL);
3542		else
3543			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3544					 DRM_MODE_ENCODER_TMDS, NULL);
3545		drm_encoder_helper_add(encoder, &dce_v10_0_ext_helper_funcs);
3546		break;
3547	}
3548}
3549
3550static const struct amdgpu_display_funcs dce_v10_0_display_funcs = {
 
3551	.bandwidth_update = &dce_v10_0_bandwidth_update,
3552	.vblank_get_counter = &dce_v10_0_vblank_get_counter,
 
 
3553	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3554	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3555	.hpd_sense = &dce_v10_0_hpd_sense,
3556	.hpd_set_polarity = &dce_v10_0_hpd_set_polarity,
3557	.hpd_get_gpio_reg = &dce_v10_0_hpd_get_gpio_reg,
3558	.page_flip = &dce_v10_0_page_flip,
3559	.page_flip_get_scanoutpos = &dce_v10_0_crtc_get_scanoutpos,
3560	.add_encoder = &dce_v10_0_encoder_add,
3561	.add_connector = &amdgpu_connector_add,
 
 
3562};
3563
3564static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev)
3565{
3566	if (adev->mode_info.funcs == NULL)
3567		adev->mode_info.funcs = &dce_v10_0_display_funcs;
3568}
3569
3570static const struct amdgpu_irq_src_funcs dce_v10_0_crtc_irq_funcs = {
3571	.set = dce_v10_0_set_crtc_irq_state,
3572	.process = dce_v10_0_crtc_irq,
3573};
3574
3575static const struct amdgpu_irq_src_funcs dce_v10_0_pageflip_irq_funcs = {
3576	.set = dce_v10_0_set_pageflip_irq_state,
3577	.process = dce_v10_0_pageflip_irq,
3578};
3579
3580static const struct amdgpu_irq_src_funcs dce_v10_0_hpd_irq_funcs = {
3581	.set = dce_v10_0_set_hpd_irq_state,
3582	.process = dce_v10_0_hpd_irq,
3583};
3584
3585static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev)
3586{
3587	if (adev->mode_info.num_crtc > 0)
3588		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3589	else
3590		adev->crtc_irq.num_types = 0;
3591	adev->crtc_irq.funcs = &dce_v10_0_crtc_irq_funcs;
3592
3593	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3594	adev->pageflip_irq.funcs = &dce_v10_0_pageflip_irq_funcs;
3595
3596	adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3597	adev->hpd_irq.funcs = &dce_v10_0_hpd_irq_funcs;
3598}
3599
3600const struct amdgpu_ip_block_version dce_v10_0_ip_block =
3601{
3602	.type = AMD_IP_BLOCK_TYPE_DCE,
3603	.major = 10,
3604	.minor = 0,
3605	.rev = 0,
3606	.funcs = &dce_v10_0_ip_funcs,
3607};
3608
3609const struct amdgpu_ip_block_version dce_v10_1_ip_block =
3610{
3611	.type = AMD_IP_BLOCK_TYPE_DCE,
3612	.major = 10,
3613	.minor = 1,
3614	.rev = 0,
3615	.funcs = &dce_v10_0_ip_funcs,
3616};
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_10_0_d.h"
  36#include "dce/dce_10_0_sh_mask.h"
  37#include "dce/dce_10_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_v10_0_set_display_funcs(struct amdgpu_device *adev);
  44static void dce_v10_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};
  76
  77static const struct {
  78	uint32_t        reg;
  79	uint32_t        vblank;
  80	uint32_t        vline;
  81	uint32_t        hpd;
  82
  83} interrupt_status_offsets[] = { {
  84	.reg = mmDISP_INTERRUPT_STATUS,
  85	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
  86	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
  87	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
  88}, {
  89	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
  90	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
  91	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
  92	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
  93}, {
  94	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
  95	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
  96	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
  97	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
  98}, {
  99	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
 100	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
 101	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
 102	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
 103}, {
 104	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
 105	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
 106	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
 107	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
 108}, {
 109	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
 110	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
 111	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
 112	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
 113} };
 114
 115static const u32 golden_settings_tonga_a11[] =
 116{
 117	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 118	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 119	mmFBC_MISC, 0x1f311fff, 0x12300000,
 120	mmHDMI_CONTROL, 0x31000111, 0x00000011,
 121};
 122
 123static const u32 tonga_mgcg_cgcg_init[] =
 124{
 125	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 126	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 127};
 128
 129static const u32 golden_settings_fiji_a10[] =
 130{
 131	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 132	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 133	mmFBC_MISC, 0x1f311fff, 0x12300000,
 134	mmHDMI_CONTROL, 0x31000111, 0x00000011,
 135};
 136
 137static const u32 fiji_mgcg_cgcg_init[] =
 138{
 139	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 140	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 141};
 142
 143static void dce_v10_0_init_golden_registers(struct amdgpu_device *adev)
 144{
 145	switch (adev->asic_type) {
 146	case CHIP_FIJI:
 147		amdgpu_program_register_sequence(adev,
 148						 fiji_mgcg_cgcg_init,
 149						 (const u32)ARRAY_SIZE(fiji_mgcg_cgcg_init));
 150		amdgpu_program_register_sequence(adev,
 151						 golden_settings_fiji_a10,
 152						 (const u32)ARRAY_SIZE(golden_settings_fiji_a10));
 153		break;
 154	case CHIP_TONGA:
 155		amdgpu_program_register_sequence(adev,
 156						 tonga_mgcg_cgcg_init,
 157						 (const u32)ARRAY_SIZE(tonga_mgcg_cgcg_init));
 158		amdgpu_program_register_sequence(adev,
 159						 golden_settings_tonga_a11,
 160						 (const u32)ARRAY_SIZE(golden_settings_tonga_a11));
 161		break;
 162	default:
 163		break;
 164	}
 165}
 166
 167static u32 dce_v10_0_audio_endpt_rreg(struct amdgpu_device *adev,
 168				     u32 block_offset, u32 reg)
 169{
 170	unsigned long flags;
 171	u32 r;
 172
 173	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 174	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 175	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 176	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 177
 178	return r;
 179}
 180
 181static void dce_v10_0_audio_endpt_wreg(struct amdgpu_device *adev,
 182				      u32 block_offset, u32 reg, u32 v)
 183{
 184	unsigned long flags;
 185
 186	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 187	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 188	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 189	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 190}
 191
 192static bool dce_v10_0_is_in_vblank(struct amdgpu_device *adev, int crtc)
 193{
 194	if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) &
 195			CRTC_V_BLANK_START_END__CRTC_V_BLANK_START_MASK)
 196		return true;
 197	else
 198		return false;
 199}
 200
 201static bool dce_v10_0_is_counter_moving(struct amdgpu_device *adev, int crtc)
 202{
 203	u32 pos1, pos2;
 204
 205	pos1 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 206	pos2 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 207
 208	if (pos1 != pos2)
 209		return true;
 210	else
 211		return false;
 212}
 213
 214/**
 215 * dce_v10_0_vblank_wait - vblank wait asic callback.
 216 *
 217 * @adev: amdgpu_device pointer
 218 * @crtc: crtc to wait for vblank on
 219 *
 220 * Wait for vblank on the requested crtc (evergreen+).
 221 */
 222static void dce_v10_0_vblank_wait(struct amdgpu_device *adev, int crtc)
 223{
 224	unsigned i = 0;
 225
 226	if (crtc >= adev->mode_info.num_crtc)
 227		return;
 228
 229	if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK))
 230		return;
 231
 232	/* depending on when we hit vblank, we may be close to active; if so,
 233	 * wait for another frame.
 234	 */
 235	while (dce_v10_0_is_in_vblank(adev, crtc)) {
 236		if (i++ % 100 == 0) {
 237			if (!dce_v10_0_is_counter_moving(adev, crtc))
 238				break;
 239		}
 240	}
 241
 242	while (!dce_v10_0_is_in_vblank(adev, crtc)) {
 243		if (i++ % 100 == 0) {
 244			if (!dce_v10_0_is_counter_moving(adev, crtc))
 245				break;
 246		}
 247	}
 248}
 249
 250static u32 dce_v10_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 251{
 252	if (crtc >= adev->mode_info.num_crtc)
 253		return 0;
 254	else
 255		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 256}
 257
 258static void dce_v10_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 259{
 260	unsigned i;
 261
 262	/* Enable pflip interrupts */
 263	for (i = 0; i < adev->mode_info.num_crtc; i++)
 264		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 265}
 266
 267static void dce_v10_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 268{
 269	unsigned i;
 270
 271	/* Disable pflip interrupts */
 272	for (i = 0; i < adev->mode_info.num_crtc; i++)
 273		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 274}
 275
 276/**
 277 * dce_v10_0_page_flip - pageflip callback.
 278 *
 279 * @adev: amdgpu_device pointer
 280 * @crtc_id: crtc to cleanup pageflip on
 281 * @crtc_base: new address of the crtc (GPU MC address)
 282 *
 283 * Triggers the actual pageflip by updating the primary
 284 * surface base address.
 285 */
 286static void dce_v10_0_page_flip(struct amdgpu_device *adev,
 287			      int crtc_id, u64 crtc_base)
 288{
 289	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 
 290
 
 
 
 
 
 291	/* update the primary scanout address */
 292	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 293	       upper_32_bits(crtc_base));
 294	/* writing to the low address triggers the update */
 295	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 296	       lower_32_bits(crtc_base));
 297	/* post the write */
 298	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 299}
 300
 301static int dce_v10_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 302					u32 *vbl, u32 *position)
 303{
 304	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 305		return -EINVAL;
 306
 307	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 308	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 309
 310	return 0;
 311}
 312
 313/**
 314 * dce_v10_0_hpd_sense - hpd sense callback.
 315 *
 316 * @adev: amdgpu_device pointer
 317 * @hpd: hpd (hotplug detect) pin
 318 *
 319 * Checks if a digital monitor is connected (evergreen+).
 320 * Returns true if connected, false if not connected.
 321 */
 322static bool dce_v10_0_hpd_sense(struct amdgpu_device *adev,
 323			       enum amdgpu_hpd_id hpd)
 324{
 325	int idx;
 326	bool connected = false;
 327
 328	switch (hpd) {
 329	case AMDGPU_HPD_1:
 330		idx = 0;
 331		break;
 332	case AMDGPU_HPD_2:
 333		idx = 1;
 334		break;
 335	case AMDGPU_HPD_3:
 336		idx = 2;
 337		break;
 338	case AMDGPU_HPD_4:
 339		idx = 3;
 340		break;
 341	case AMDGPU_HPD_5:
 342		idx = 4;
 343		break;
 344	case AMDGPU_HPD_6:
 345		idx = 5;
 346		break;
 347	default:
 348		return connected;
 349	}
 350
 351	if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[idx]) &
 352	    DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
 353		connected = true;
 354
 355	return connected;
 356}
 357
 358/**
 359 * dce_v10_0_hpd_set_polarity - hpd set polarity callback.
 360 *
 361 * @adev: amdgpu_device pointer
 362 * @hpd: hpd (hotplug detect) pin
 363 *
 364 * Set the polarity of the hpd pin (evergreen+).
 365 */
 366static void dce_v10_0_hpd_set_polarity(struct amdgpu_device *adev,
 367				      enum amdgpu_hpd_id hpd)
 368{
 369	u32 tmp;
 370	bool connected = dce_v10_0_hpd_sense(adev, hpd);
 371	int idx;
 372
 373	switch (hpd) {
 374	case AMDGPU_HPD_1:
 375		idx = 0;
 376		break;
 377	case AMDGPU_HPD_2:
 378		idx = 1;
 379		break;
 380	case AMDGPU_HPD_3:
 381		idx = 2;
 382		break;
 383	case AMDGPU_HPD_4:
 384		idx = 3;
 385		break;
 386	case AMDGPU_HPD_5:
 387		idx = 4;
 388		break;
 389	case AMDGPU_HPD_6:
 390		idx = 5;
 391		break;
 392	default:
 393		return;
 394	}
 395
 396	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx]);
 397	if (connected)
 398		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
 399	else
 400		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
 401	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx], tmp);
 402}
 403
 404/**
 405 * dce_v10_0_hpd_init - hpd setup callback.
 406 *
 407 * @adev: amdgpu_device pointer
 408 *
 409 * Setup the hpd pins used by the card (evergreen+).
 410 * Enable the pin, set the polarity, and enable the hpd interrupts.
 411 */
 412static void dce_v10_0_hpd_init(struct amdgpu_device *adev)
 413{
 414	struct drm_device *dev = adev->ddev;
 415	struct drm_connector *connector;
 416	u32 tmp;
 417	int idx;
 418
 419	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 420		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 421
 
 
 
 422		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 423		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 424			/* don't try to enable hpd on eDP or LVDS avoid breaking the
 425			 * aux dp channel on imac and help (but not completely fix)
 426			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 427			 * also avoid interrupt storms during dpms.
 428			 */
 
 
 
 429			continue;
 430		}
 431
 432		switch (amdgpu_connector->hpd.hpd) {
 433		case AMDGPU_HPD_1:
 434			idx = 0;
 435			break;
 436		case AMDGPU_HPD_2:
 437			idx = 1;
 438			break;
 439		case AMDGPU_HPD_3:
 440			idx = 2;
 441			break;
 442		case AMDGPU_HPD_4:
 443			idx = 3;
 444			break;
 445		case AMDGPU_HPD_5:
 446			idx = 4;
 447			break;
 448		case AMDGPU_HPD_6:
 449			idx = 5;
 450			break;
 451		default:
 452			continue;
 453		}
 454
 455		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
 456		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
 457		WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
 458
 459		tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx]);
 460		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 461				    DC_HPD_CONNECT_INT_DELAY,
 462				    AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
 463		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 464				    DC_HPD_DISCONNECT_INT_DELAY,
 465				    AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
 466		WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx], tmp);
 467
 468		dce_v10_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 469		amdgpu_irq_get(adev, &adev->hpd_irq,
 470			       amdgpu_connector->hpd.hpd);
 471	}
 472}
 473
 474/**
 475 * dce_v10_0_hpd_fini - hpd tear down callback.
 476 *
 477 * @adev: amdgpu_device pointer
 478 *
 479 * Tear down the hpd pins used by the card (evergreen+).
 480 * Disable the hpd interrupts.
 481 */
 482static void dce_v10_0_hpd_fini(struct amdgpu_device *adev)
 483{
 484	struct drm_device *dev = adev->ddev;
 485	struct drm_connector *connector;
 486	u32 tmp;
 487	int idx;
 488
 489	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 490		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 491
 492		switch (amdgpu_connector->hpd.hpd) {
 493		case AMDGPU_HPD_1:
 494			idx = 0;
 495			break;
 496		case AMDGPU_HPD_2:
 497			idx = 1;
 498			break;
 499		case AMDGPU_HPD_3:
 500			idx = 2;
 501			break;
 502		case AMDGPU_HPD_4:
 503			idx = 3;
 504			break;
 505		case AMDGPU_HPD_5:
 506			idx = 4;
 507			break;
 508		case AMDGPU_HPD_6:
 509			idx = 5;
 510			break;
 511		default:
 512			continue;
 513		}
 514
 515		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
 516		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
 517		WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
 518
 519		amdgpu_irq_put(adev, &adev->hpd_irq,
 520			       amdgpu_connector->hpd.hpd);
 521	}
 522}
 523
 524static u32 dce_v10_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 525{
 526	return mmDC_GPIO_HPD_A;
 527}
 528
 529static bool dce_v10_0_is_display_hung(struct amdgpu_device *adev)
 530{
 531	u32 crtc_hung = 0;
 532	u32 crtc_status[6];
 533	u32 i, j, tmp;
 534
 535	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 536		tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 537		if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
 538			crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 539			crtc_hung |= (1 << i);
 540		}
 541	}
 542
 543	for (j = 0; j < 10; j++) {
 544		for (i = 0; i < adev->mode_info.num_crtc; i++) {
 545			if (crtc_hung & (1 << i)) {
 546				tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 547				if (tmp != crtc_status[i])
 548					crtc_hung &= ~(1 << i);
 549			}
 550		}
 551		if (crtc_hung == 0)
 552			return false;
 553		udelay(100);
 554	}
 555
 556	return true;
 557}
 558
 559static void dce_v10_0_stop_mc_access(struct amdgpu_device *adev,
 560				     struct amdgpu_mode_mc_save *save)
 561{
 562	u32 crtc_enabled, tmp;
 563	int i;
 564
 565	save->vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
 566	save->vga_hdp_control = RREG32(mmVGA_HDP_CONTROL);
 567
 568	/* disable VGA render */
 569	tmp = RREG32(mmVGA_RENDER_CONTROL);
 570	tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 571	WREG32(mmVGA_RENDER_CONTROL, tmp);
 572
 573	/* blank the display controllers */
 574	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 575		crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
 576					     CRTC_CONTROL, CRTC_MASTER_EN);
 577		if (crtc_enabled) {
 578#if 0
 579			u32 frame_count;
 580			int j;
 581
 582			save->crtc_enabled[i] = true;
 583			tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
 584			if (REG_GET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN) == 0) {
 585				amdgpu_display_vblank_wait(adev, i);
 586				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 587				tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 1);
 588				WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
 589				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 590			}
 591			/* wait for the next frame */
 592			frame_count = amdgpu_display_vblank_get_counter(adev, i);
 593			for (j = 0; j < adev->usec_timeout; j++) {
 594				if (amdgpu_display_vblank_get_counter(adev, i) != frame_count)
 595					break;
 596				udelay(1);
 597			}
 598			tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
 599			if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK) == 0) {
 600				tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 1);
 601				WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
 602			}
 603			tmp = RREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i]);
 604			if (REG_GET_FIELD(tmp, MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK) == 0) {
 605				tmp = REG_SET_FIELD(tmp, MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 1);
 606				WREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
 607			}
 608#else
 609			/* XXX this is a hack to avoid strange behavior with EFI on certain systems */
 610			WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 611			tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 612			tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
 613			WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 614			WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 615			save->crtc_enabled[i] = false;
 616			/* ***** */
 617#endif
 618		} else {
 619			save->crtc_enabled[i] = false;
 620		}
 621	}
 622}
 623
 624static void dce_v10_0_resume_mc_access(struct amdgpu_device *adev,
 625				       struct amdgpu_mode_mc_save *save)
 626{
 627	u32 tmp, frame_count;
 628	int i, j;
 629
 630	/* update crtc base addresses */
 631	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 632		WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
 633		       upper_32_bits(adev->mc.vram_start));
 634		WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
 635		       upper_32_bits(adev->mc.vram_start));
 636		WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
 637		       (u32)adev->mc.vram_start);
 638		WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
 639		       (u32)adev->mc.vram_start);
 640
 641		if (save->crtc_enabled[i]) {
 642			tmp = RREG32(mmMASTER_UPDATE_MODE + crtc_offsets[i]);
 643			if (REG_GET_FIELD(tmp, MASTER_UPDATE_MODE, MASTER_UPDATE_MODE) != 3) {
 644				tmp = REG_SET_FIELD(tmp, MASTER_UPDATE_MODE, MASTER_UPDATE_MODE, 3);
 645				WREG32(mmMASTER_UPDATE_MODE + crtc_offsets[i], tmp);
 646			}
 647			tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
 648			if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK)) {
 649				tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 0);
 650				WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
 651			}
 652			tmp = RREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i]);
 653			if (REG_GET_FIELD(tmp, MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK)) {
 654				tmp = REG_SET_FIELD(tmp, MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 0);
 655				WREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
 656			}
 657			for (j = 0; j < adev->usec_timeout; j++) {
 658				tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
 659				if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_SURFACE_UPDATE_PENDING) == 0)
 660					break;
 661				udelay(1);
 662			}
 663			tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
 664			tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 0);
 665			WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 666			WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
 667			WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 668			/* wait for the next frame */
 669			frame_count = amdgpu_display_vblank_get_counter(adev, i);
 670			for (j = 0; j < adev->usec_timeout; j++) {
 671				if (amdgpu_display_vblank_get_counter(adev, i) != frame_count)
 672					break;
 673				udelay(1);
 674			}
 675		}
 676	}
 677
 678	WREG32(mmVGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(adev->mc.vram_start));
 679	WREG32(mmVGA_MEMORY_BASE_ADDRESS, lower_32_bits(adev->mc.vram_start));
 680
 681	/* Unlock vga access */
 682	WREG32(mmVGA_HDP_CONTROL, save->vga_hdp_control);
 683	mdelay(1);
 684	WREG32(mmVGA_RENDER_CONTROL, save->vga_render_control);
 685}
 686
 687static void dce_v10_0_set_vga_render_state(struct amdgpu_device *adev,
 688					   bool render)
 689{
 690	u32 tmp;
 691
 692	/* Lockout access through VGA aperture*/
 693	tmp = RREG32(mmVGA_HDP_CONTROL);
 694	if (render)
 695		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
 696	else
 697		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
 698	WREG32(mmVGA_HDP_CONTROL, tmp);
 699
 700	/* disable VGA render */
 701	tmp = RREG32(mmVGA_RENDER_CONTROL);
 702	if (render)
 703		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
 704	else
 705		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 706	WREG32(mmVGA_RENDER_CONTROL, tmp);
 707}
 708
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 709static void dce_v10_0_program_fmt(struct drm_encoder *encoder)
 710{
 711	struct drm_device *dev = encoder->dev;
 712	struct amdgpu_device *adev = dev->dev_private;
 713	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 714	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 715	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 716	int bpc = 0;
 717	u32 tmp = 0;
 718	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 719
 720	if (connector) {
 721		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 722		bpc = amdgpu_connector_get_monitor_bpc(connector);
 723		dither = amdgpu_connector->dither;
 724	}
 725
 726	/* LVDS/eDP FMT is set up by atom */
 727	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 728		return;
 729
 730	/* not needed for analog */
 731	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 732	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 733		return;
 734
 735	if (bpc == 0)
 736		return;
 737
 738	switch (bpc) {
 739	case 6:
 740		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 741			/* XXX sort out optimal dither settings */
 742			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 743			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 744			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 745			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
 746		} else {
 747			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 748			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
 749		}
 750		break;
 751	case 8:
 752		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 753			/* XXX sort out optimal dither settings */
 754			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 755			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 756			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 757			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 758			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
 759		} else {
 760			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 761			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
 762		}
 763		break;
 764	case 10:
 765		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 766			/* XXX sort out optimal dither settings */
 767			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 768			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 769			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 770			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 771			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
 772		} else {
 773			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 774			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
 775		}
 776		break;
 777	default:
 778		/* not needed */
 779		break;
 780	}
 781
 782	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 783}
 784
 785
 786/* display watermark setup */
 787/**
 788 * dce_v10_0_line_buffer_adjust - Set up the line buffer
 789 *
 790 * @adev: amdgpu_device pointer
 791 * @amdgpu_crtc: the selected display controller
 792 * @mode: the current display mode on the selected display
 793 * controller
 794 *
 795 * Setup up the line buffer allocation for
 796 * the selected display controller (CIK).
 797 * Returns the line buffer size in pixels.
 798 */
 799static u32 dce_v10_0_line_buffer_adjust(struct amdgpu_device *adev,
 800				       struct amdgpu_crtc *amdgpu_crtc,
 801				       struct drm_display_mode *mode)
 802{
 803	u32 tmp, buffer_alloc, i, mem_cfg;
 804	u32 pipe_offset = amdgpu_crtc->crtc_id;
 805	/*
 806	 * Line Buffer Setup
 807	 * There are 6 line buffers, one for each display controllers.
 808	 * There are 3 partitions per LB. Select the number of partitions
 809	 * to enable based on the display width.  For display widths larger
 810	 * than 4096, you need use to use 2 display controllers and combine
 811	 * them using the stereo blender.
 812	 */
 813	if (amdgpu_crtc->base.enabled && mode) {
 814		if (mode->crtc_hdisplay < 1920) {
 815			mem_cfg = 1;
 816			buffer_alloc = 2;
 817		} else if (mode->crtc_hdisplay < 2560) {
 818			mem_cfg = 2;
 819			buffer_alloc = 2;
 820		} else if (mode->crtc_hdisplay < 4096) {
 821			mem_cfg = 0;
 822			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 823		} else {
 824			DRM_DEBUG_KMS("Mode too big for LB!\n");
 825			mem_cfg = 0;
 826			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 827		}
 828	} else {
 829		mem_cfg = 1;
 830		buffer_alloc = 0;
 831	}
 832
 833	tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
 834	tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
 835	WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
 836
 837	tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 838	tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
 839	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
 840
 841	for (i = 0; i < adev->usec_timeout; i++) {
 842		tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 843		if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
 844			break;
 845		udelay(1);
 846	}
 847
 848	if (amdgpu_crtc->base.enabled && mode) {
 849		switch (mem_cfg) {
 850		case 0:
 851		default:
 852			return 4096 * 2;
 853		case 1:
 854			return 1920 * 2;
 855		case 2:
 856			return 2560 * 2;
 857		}
 858	}
 859
 860	/* controller not enabled, so no lb used */
 861	return 0;
 862}
 863
 864/**
 865 * cik_get_number_of_dram_channels - get the number of dram channels
 866 *
 867 * @adev: amdgpu_device pointer
 868 *
 869 * Look up the number of video ram channels (CIK).
 870 * Used for display watermark bandwidth calculations
 871 * Returns the number of dram channels
 872 */
 873static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
 874{
 875	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 876
 877	switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
 878	case 0:
 879	default:
 880		return 1;
 881	case 1:
 882		return 2;
 883	case 2:
 884		return 4;
 885	case 3:
 886		return 8;
 887	case 4:
 888		return 3;
 889	case 5:
 890		return 6;
 891	case 6:
 892		return 10;
 893	case 7:
 894		return 12;
 895	case 8:
 896		return 16;
 897	}
 898}
 899
 900struct dce10_wm_params {
 901	u32 dram_channels; /* number of dram channels */
 902	u32 yclk;          /* bandwidth per dram data pin in kHz */
 903	u32 sclk;          /* engine clock in kHz */
 904	u32 disp_clk;      /* display clock in kHz */
 905	u32 src_width;     /* viewport width */
 906	u32 active_time;   /* active display time in ns */
 907	u32 blank_time;    /* blank time in ns */
 908	bool interlaced;    /* mode is interlaced */
 909	fixed20_12 vsc;    /* vertical scale ratio */
 910	u32 num_heads;     /* number of active crtcs */
 911	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 912	u32 lb_size;       /* line buffer allocated to pipe */
 913	u32 vtaps;         /* vertical scaler taps */
 914};
 915
 916/**
 917 * dce_v10_0_dram_bandwidth - get the dram bandwidth
 918 *
 919 * @wm: watermark calculation data
 920 *
 921 * Calculate the raw dram bandwidth (CIK).
 922 * Used for display watermark bandwidth calculations
 923 * Returns the dram bandwidth in MBytes/s
 924 */
 925static u32 dce_v10_0_dram_bandwidth(struct dce10_wm_params *wm)
 926{
 927	/* Calculate raw DRAM Bandwidth */
 928	fixed20_12 dram_efficiency; /* 0.7 */
 929	fixed20_12 yclk, dram_channels, bandwidth;
 930	fixed20_12 a;
 931
 932	a.full = dfixed_const(1000);
 933	yclk.full = dfixed_const(wm->yclk);
 934	yclk.full = dfixed_div(yclk, a);
 935	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 936	a.full = dfixed_const(10);
 937	dram_efficiency.full = dfixed_const(7);
 938	dram_efficiency.full = dfixed_div(dram_efficiency, a);
 939	bandwidth.full = dfixed_mul(dram_channels, yclk);
 940	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 941
 942	return dfixed_trunc(bandwidth);
 943}
 944
 945/**
 946 * dce_v10_0_dram_bandwidth_for_display - get the dram bandwidth for display
 947 *
 948 * @wm: watermark calculation data
 949 *
 950 * Calculate the dram bandwidth used for display (CIK).
 951 * Used for display watermark bandwidth calculations
 952 * Returns the dram bandwidth for display in MBytes/s
 953 */
 954static u32 dce_v10_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 955{
 956	/* Calculate DRAM Bandwidth and the part allocated to display. */
 957	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 958	fixed20_12 yclk, dram_channels, bandwidth;
 959	fixed20_12 a;
 960
 961	a.full = dfixed_const(1000);
 962	yclk.full = dfixed_const(wm->yclk);
 963	yclk.full = dfixed_div(yclk, a);
 964	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 965	a.full = dfixed_const(10);
 966	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 967	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 968	bandwidth.full = dfixed_mul(dram_channels, yclk);
 969	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 970
 971	return dfixed_trunc(bandwidth);
 972}
 973
 974/**
 975 * dce_v10_0_data_return_bandwidth - get the data return bandwidth
 976 *
 977 * @wm: watermark calculation data
 978 *
 979 * Calculate the data return bandwidth used for display (CIK).
 980 * Used for display watermark bandwidth calculations
 981 * Returns the data return bandwidth in MBytes/s
 982 */
 983static u32 dce_v10_0_data_return_bandwidth(struct dce10_wm_params *wm)
 984{
 985	/* Calculate the display Data return Bandwidth */
 986	fixed20_12 return_efficiency; /* 0.8 */
 987	fixed20_12 sclk, bandwidth;
 988	fixed20_12 a;
 989
 990	a.full = dfixed_const(1000);
 991	sclk.full = dfixed_const(wm->sclk);
 992	sclk.full = dfixed_div(sclk, a);
 993	a.full = dfixed_const(10);
 994	return_efficiency.full = dfixed_const(8);
 995	return_efficiency.full = dfixed_div(return_efficiency, a);
 996	a.full = dfixed_const(32);
 997	bandwidth.full = dfixed_mul(a, sclk);
 998	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 999
1000	return dfixed_trunc(bandwidth);
1001}
1002
1003/**
1004 * dce_v10_0_dmif_request_bandwidth - get the dmif bandwidth
1005 *
1006 * @wm: watermark calculation data
1007 *
1008 * Calculate the dmif bandwidth used for display (CIK).
1009 * Used for display watermark bandwidth calculations
1010 * Returns the dmif bandwidth in MBytes/s
1011 */
1012static u32 dce_v10_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
1013{
1014	/* Calculate the DMIF Request Bandwidth */
1015	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
1016	fixed20_12 disp_clk, bandwidth;
1017	fixed20_12 a, b;
1018
1019	a.full = dfixed_const(1000);
1020	disp_clk.full = dfixed_const(wm->disp_clk);
1021	disp_clk.full = dfixed_div(disp_clk, a);
1022	a.full = dfixed_const(32);
1023	b.full = dfixed_mul(a, disp_clk);
1024
1025	a.full = dfixed_const(10);
1026	disp_clk_request_efficiency.full = dfixed_const(8);
1027	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
1028
1029	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
1030
1031	return dfixed_trunc(bandwidth);
1032}
1033
1034/**
1035 * dce_v10_0_available_bandwidth - get the min available bandwidth
1036 *
1037 * @wm: watermark calculation data
1038 *
1039 * Calculate the min available bandwidth used for display (CIK).
1040 * Used for display watermark bandwidth calculations
1041 * Returns the min available bandwidth in MBytes/s
1042 */
1043static u32 dce_v10_0_available_bandwidth(struct dce10_wm_params *wm)
1044{
1045	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
1046	u32 dram_bandwidth = dce_v10_0_dram_bandwidth(wm);
1047	u32 data_return_bandwidth = dce_v10_0_data_return_bandwidth(wm);
1048	u32 dmif_req_bandwidth = dce_v10_0_dmif_request_bandwidth(wm);
1049
1050	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
1051}
1052
1053/**
1054 * dce_v10_0_average_bandwidth - get the average available bandwidth
1055 *
1056 * @wm: watermark calculation data
1057 *
1058 * Calculate the average available bandwidth used for display (CIK).
1059 * Used for display watermark bandwidth calculations
1060 * Returns the average available bandwidth in MBytes/s
1061 */
1062static u32 dce_v10_0_average_bandwidth(struct dce10_wm_params *wm)
1063{
1064	/* Calculate the display mode Average Bandwidth
1065	 * DisplayMode should contain the source and destination dimensions,
1066	 * timing, etc.
1067	 */
1068	fixed20_12 bpp;
1069	fixed20_12 line_time;
1070	fixed20_12 src_width;
1071	fixed20_12 bandwidth;
1072	fixed20_12 a;
1073
1074	a.full = dfixed_const(1000);
1075	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
1076	line_time.full = dfixed_div(line_time, a);
1077	bpp.full = dfixed_const(wm->bytes_per_pixel);
1078	src_width.full = dfixed_const(wm->src_width);
1079	bandwidth.full = dfixed_mul(src_width, bpp);
1080	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
1081	bandwidth.full = dfixed_div(bandwidth, line_time);
1082
1083	return dfixed_trunc(bandwidth);
1084}
1085
1086/**
1087 * dce_v10_0_latency_watermark - get the latency watermark
1088 *
1089 * @wm: watermark calculation data
1090 *
1091 * Calculate the latency watermark (CIK).
1092 * Used for display watermark bandwidth calculations
1093 * Returns the latency watermark in ns
1094 */
1095static u32 dce_v10_0_latency_watermark(struct dce10_wm_params *wm)
1096{
1097	/* First calculate the latency in ns */
1098	u32 mc_latency = 2000; /* 2000 ns. */
1099	u32 available_bandwidth = dce_v10_0_available_bandwidth(wm);
1100	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
1101	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
1102	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
1103	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
1104		(wm->num_heads * cursor_line_pair_return_time);
1105	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
1106	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
1107	u32 tmp, dmif_size = 12288;
1108	fixed20_12 a, b, c;
1109
1110	if (wm->num_heads == 0)
1111		return 0;
1112
1113	a.full = dfixed_const(2);
1114	b.full = dfixed_const(1);
1115	if ((wm->vsc.full > a.full) ||
1116	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
1117	    (wm->vtaps >= 5) ||
1118	    ((wm->vsc.full >= a.full) && wm->interlaced))
1119		max_src_lines_per_dst_line = 4;
1120	else
1121		max_src_lines_per_dst_line = 2;
1122
1123	a.full = dfixed_const(available_bandwidth);
1124	b.full = dfixed_const(wm->num_heads);
1125	a.full = dfixed_div(a, b);
 
 
1126
1127	b.full = dfixed_const(mc_latency + 512);
1128	c.full = dfixed_const(wm->disp_clk);
1129	b.full = dfixed_div(b, c);
1130
1131	c.full = dfixed_const(dmif_size);
1132	b.full = dfixed_div(c, b);
1133
1134	tmp = min(dfixed_trunc(a), dfixed_trunc(b));
1135
1136	b.full = dfixed_const(1000);
1137	c.full = dfixed_const(wm->disp_clk);
1138	b.full = dfixed_div(c, b);
1139	c.full = dfixed_const(wm->bytes_per_pixel);
1140	b.full = dfixed_mul(b, c);
1141
1142	lb_fill_bw = min(tmp, dfixed_trunc(b));
1143
1144	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
1145	b.full = dfixed_const(1000);
1146	c.full = dfixed_const(lb_fill_bw);
1147	b.full = dfixed_div(c, b);
1148	a.full = dfixed_div(a, b);
1149	line_fill_time = dfixed_trunc(a);
1150
1151	if (line_fill_time < wm->active_time)
1152		return latency;
1153	else
1154		return latency + (line_fill_time - wm->active_time);
1155
1156}
1157
1158/**
1159 * dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display - check
1160 * average and available dram bandwidth
1161 *
1162 * @wm: watermark calculation data
1163 *
1164 * Check if the display average bandwidth fits in the display
1165 * dram bandwidth (CIK).
1166 * Used for display watermark bandwidth calculations
1167 * Returns true if the display fits, false if not.
1168 */
1169static bool dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
1170{
1171	if (dce_v10_0_average_bandwidth(wm) <=
1172	    (dce_v10_0_dram_bandwidth_for_display(wm) / wm->num_heads))
1173		return true;
1174	else
1175		return false;
1176}
1177
1178/**
1179 * dce_v10_0_average_bandwidth_vs_available_bandwidth - check
1180 * average and available bandwidth
1181 *
1182 * @wm: watermark calculation data
1183 *
1184 * Check if the display average bandwidth fits in the display
1185 * available bandwidth (CIK).
1186 * Used for display watermark bandwidth calculations
1187 * Returns true if the display fits, false if not.
1188 */
1189static bool dce_v10_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
1190{
1191	if (dce_v10_0_average_bandwidth(wm) <=
1192	    (dce_v10_0_available_bandwidth(wm) / wm->num_heads))
1193		return true;
1194	else
1195		return false;
1196}
1197
1198/**
1199 * dce_v10_0_check_latency_hiding - check latency hiding
1200 *
1201 * @wm: watermark calculation data
1202 *
1203 * Check latency hiding (CIK).
1204 * Used for display watermark bandwidth calculations
1205 * Returns true if the display fits, false if not.
1206 */
1207static bool dce_v10_0_check_latency_hiding(struct dce10_wm_params *wm)
1208{
1209	u32 lb_partitions = wm->lb_size / wm->src_width;
1210	u32 line_time = wm->active_time + wm->blank_time;
1211	u32 latency_tolerant_lines;
1212	u32 latency_hiding;
1213	fixed20_12 a;
1214
1215	a.full = dfixed_const(1);
1216	if (wm->vsc.full > a.full)
1217		latency_tolerant_lines = 1;
1218	else {
1219		if (lb_partitions <= (wm->vtaps + 1))
1220			latency_tolerant_lines = 1;
1221		else
1222			latency_tolerant_lines = 2;
1223	}
1224
1225	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1226
1227	if (dce_v10_0_latency_watermark(wm) <= latency_hiding)
1228		return true;
1229	else
1230		return false;
1231}
1232
1233/**
1234 * dce_v10_0_program_watermarks - program display watermarks
1235 *
1236 * @adev: amdgpu_device pointer
1237 * @amdgpu_crtc: the selected display controller
1238 * @lb_size: line buffer size
1239 * @num_heads: number of display controllers in use
1240 *
1241 * Calculate and program the display watermarks for the
1242 * selected display controller (CIK).
1243 */
1244static void dce_v10_0_program_watermarks(struct amdgpu_device *adev,
1245					struct amdgpu_crtc *amdgpu_crtc,
1246					u32 lb_size, u32 num_heads)
1247{
1248	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1249	struct dce10_wm_params wm_low, wm_high;
1250	u32 pixel_period;
1251	u32 line_time = 0;
1252	u32 latency_watermark_a = 0, latency_watermark_b = 0;
1253	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1254
1255	if (amdgpu_crtc->base.enabled && num_heads && mode) {
1256		pixel_period = 1000000 / (u32)mode->clock;
1257		line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
 
 
 
1258
1259		/* watermark for high clocks */
1260		if (adev->pm.dpm_enabled) {
1261			wm_high.yclk =
1262				amdgpu_dpm_get_mclk(adev, false) * 10;
1263			wm_high.sclk =
1264				amdgpu_dpm_get_sclk(adev, false) * 10;
1265		} else {
1266			wm_high.yclk = adev->pm.current_mclk * 10;
1267			wm_high.sclk = adev->pm.current_sclk * 10;
1268		}
1269
1270		wm_high.disp_clk = mode->clock;
1271		wm_high.src_width = mode->crtc_hdisplay;
1272		wm_high.active_time = mode->crtc_hdisplay * pixel_period;
1273		wm_high.blank_time = line_time - wm_high.active_time;
1274		wm_high.interlaced = false;
1275		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1276			wm_high.interlaced = true;
1277		wm_high.vsc = amdgpu_crtc->vsc;
1278		wm_high.vtaps = 1;
1279		if (amdgpu_crtc->rmx_type != RMX_OFF)
1280			wm_high.vtaps = 2;
1281		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1282		wm_high.lb_size = lb_size;
1283		wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1284		wm_high.num_heads = num_heads;
1285
1286		/* set for high clocks */
1287		latency_watermark_a = min(dce_v10_0_latency_watermark(&wm_high), (u32)65535);
1288
1289		/* possibly force display priority to high */
1290		/* should really do this at mode validation time... */
1291		if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1292		    !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1293		    !dce_v10_0_check_latency_hiding(&wm_high) ||
1294		    (adev->mode_info.disp_priority == 2)) {
1295			DRM_DEBUG_KMS("force priority to high\n");
1296		}
1297
1298		/* watermark for low clocks */
1299		if (adev->pm.dpm_enabled) {
1300			wm_low.yclk =
1301				amdgpu_dpm_get_mclk(adev, true) * 10;
1302			wm_low.sclk =
1303				amdgpu_dpm_get_sclk(adev, true) * 10;
1304		} else {
1305			wm_low.yclk = adev->pm.current_mclk * 10;
1306			wm_low.sclk = adev->pm.current_sclk * 10;
1307		}
1308
1309		wm_low.disp_clk = mode->clock;
1310		wm_low.src_width = mode->crtc_hdisplay;
1311		wm_low.active_time = mode->crtc_hdisplay * pixel_period;
1312		wm_low.blank_time = line_time - wm_low.active_time;
1313		wm_low.interlaced = false;
1314		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1315			wm_low.interlaced = true;
1316		wm_low.vsc = amdgpu_crtc->vsc;
1317		wm_low.vtaps = 1;
1318		if (amdgpu_crtc->rmx_type != RMX_OFF)
1319			wm_low.vtaps = 2;
1320		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1321		wm_low.lb_size = lb_size;
1322		wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1323		wm_low.num_heads = num_heads;
1324
1325		/* set for low clocks */
1326		latency_watermark_b = min(dce_v10_0_latency_watermark(&wm_low), (u32)65535);
1327
1328		/* possibly force display priority to high */
1329		/* should really do this at mode validation time... */
1330		if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1331		    !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1332		    !dce_v10_0_check_latency_hiding(&wm_low) ||
1333		    (adev->mode_info.disp_priority == 2)) {
1334			DRM_DEBUG_KMS("force priority to high\n");
1335		}
1336		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1337	}
1338
1339	/* select wm A */
1340	wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1341	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1342	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1343	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1344	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1345	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1346	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1347	/* select wm B */
1348	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1349	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1350	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1351	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1352	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1353	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1354	/* restore original selection */
1355	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1356
1357	/* save values for DPM */
1358	amdgpu_crtc->line_time = line_time;
1359	amdgpu_crtc->wm_high = latency_watermark_a;
1360	amdgpu_crtc->wm_low = latency_watermark_b;
1361	/* Save number of lines the linebuffer leads before the scanout */
1362	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1363}
1364
1365/**
1366 * dce_v10_0_bandwidth_update - program display watermarks
1367 *
1368 * @adev: amdgpu_device pointer
1369 *
1370 * Calculate and program the display watermarks and line
1371 * buffer allocation (CIK).
1372 */
1373static void dce_v10_0_bandwidth_update(struct amdgpu_device *adev)
1374{
1375	struct drm_display_mode *mode = NULL;
1376	u32 num_heads = 0, lb_size;
1377	int i;
1378
1379	amdgpu_update_display_priority(adev);
1380
1381	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1382		if (adev->mode_info.crtcs[i]->base.enabled)
1383			num_heads++;
1384	}
1385	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1386		mode = &adev->mode_info.crtcs[i]->base.mode;
1387		lb_size = dce_v10_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1388		dce_v10_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1389					    lb_size, num_heads);
1390	}
1391}
1392
1393static void dce_v10_0_audio_get_connected_pins(struct amdgpu_device *adev)
1394{
1395	int i;
1396	u32 offset, tmp;
1397
1398	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1399		offset = adev->mode_info.audio.pin[i].offset;
1400		tmp = RREG32_AUDIO_ENDPT(offset,
1401					 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1402		if (((tmp &
1403		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1404		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1405			adev->mode_info.audio.pin[i].connected = false;
1406		else
1407			adev->mode_info.audio.pin[i].connected = true;
1408	}
1409}
1410
1411static struct amdgpu_audio_pin *dce_v10_0_audio_get_pin(struct amdgpu_device *adev)
1412{
1413	int i;
1414
1415	dce_v10_0_audio_get_connected_pins(adev);
1416
1417	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1418		if (adev->mode_info.audio.pin[i].connected)
1419			return &adev->mode_info.audio.pin[i];
1420	}
1421	DRM_ERROR("No connected audio pins found!\n");
1422	return NULL;
1423}
1424
1425static void dce_v10_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1426{
1427	struct amdgpu_device *adev = encoder->dev->dev_private;
1428	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1429	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1430	u32 tmp;
1431
1432	if (!dig || !dig->afmt || !dig->afmt->pin)
1433		return;
1434
1435	tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1436	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1437	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1438}
1439
1440static void dce_v10_0_audio_write_latency_fields(struct drm_encoder *encoder,
1441						struct drm_display_mode *mode)
1442{
1443	struct amdgpu_device *adev = encoder->dev->dev_private;
1444	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1445	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1446	struct drm_connector *connector;
1447	struct amdgpu_connector *amdgpu_connector = NULL;
1448	u32 tmp;
1449	int interlace = 0;
1450
1451	if (!dig || !dig->afmt || !dig->afmt->pin)
1452		return;
1453
1454	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1455		if (connector->encoder == encoder) {
1456			amdgpu_connector = to_amdgpu_connector(connector);
1457			break;
1458		}
1459	}
1460
1461	if (!amdgpu_connector) {
1462		DRM_ERROR("Couldn't find encoder's connector\n");
1463		return;
1464	}
1465
1466	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1467		interlace = 1;
1468	if (connector->latency_present[interlace]) {
1469		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1470				    VIDEO_LIPSYNC, connector->video_latency[interlace]);
1471		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1472				    AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1473	} else {
1474		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1475				    VIDEO_LIPSYNC, 0);
1476		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1477				    AUDIO_LIPSYNC, 0);
1478	}
1479	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1480			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1481}
1482
1483static void dce_v10_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1484{
1485	struct amdgpu_device *adev = encoder->dev->dev_private;
1486	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1487	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1488	struct drm_connector *connector;
1489	struct amdgpu_connector *amdgpu_connector = NULL;
1490	u32 tmp;
1491	u8 *sadb = NULL;
1492	int sad_count;
1493
1494	if (!dig || !dig->afmt || !dig->afmt->pin)
1495		return;
1496
1497	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1498		if (connector->encoder == encoder) {
1499			amdgpu_connector = to_amdgpu_connector(connector);
1500			break;
1501		}
1502	}
1503
1504	if (!amdgpu_connector) {
1505		DRM_ERROR("Couldn't find encoder's connector\n");
1506		return;
1507	}
1508
1509	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1510	if (sad_count < 0) {
1511		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1512		sad_count = 0;
1513	}
1514
1515	/* program the speaker allocation */
1516	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1517				 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1518	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1519			    DP_CONNECTION, 0);
1520	/* set HDMI mode */
1521	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1522			    HDMI_CONNECTION, 1);
1523	if (sad_count)
1524		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1525				    SPEAKER_ALLOCATION, sadb[0]);
1526	else
1527		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1528				    SPEAKER_ALLOCATION, 5); /* stereo */
1529	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1530			   ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1531
1532	kfree(sadb);
1533}
1534
1535static void dce_v10_0_audio_write_sad_regs(struct drm_encoder *encoder)
1536{
1537	struct amdgpu_device *adev = encoder->dev->dev_private;
1538	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1539	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1540	struct drm_connector *connector;
1541	struct amdgpu_connector *amdgpu_connector = NULL;
1542	struct cea_sad *sads;
1543	int i, sad_count;
1544
1545	static const u16 eld_reg_to_type[][2] = {
1546		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1547		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1548		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1549		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1550		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1551		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1552		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1553		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1554		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1555		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1556		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1557		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1558	};
1559
1560	if (!dig || !dig->afmt || !dig->afmt->pin)
1561		return;
1562
1563	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1564		if (connector->encoder == encoder) {
1565			amdgpu_connector = to_amdgpu_connector(connector);
1566			break;
1567		}
1568	}
1569
1570	if (!amdgpu_connector) {
1571		DRM_ERROR("Couldn't find encoder's connector\n");
1572		return;
1573	}
1574
1575	sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1576	if (sad_count <= 0) {
1577		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1578		return;
1579	}
1580	BUG_ON(!sads);
1581
1582	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1583		u32 tmp = 0;
1584		u8 stereo_freqs = 0;
1585		int max_channels = -1;
1586		int j;
1587
1588		for (j = 0; j < sad_count; j++) {
1589			struct cea_sad *sad = &sads[j];
1590
1591			if (sad->format == eld_reg_to_type[i][1]) {
1592				if (sad->channels > max_channels) {
1593					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1594							    MAX_CHANNELS, sad->channels);
1595					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1596							    DESCRIPTOR_BYTE_2, sad->byte2);
1597					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1598							    SUPPORTED_FREQUENCIES, sad->freq);
1599					max_channels = sad->channels;
1600				}
1601
1602				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1603					stereo_freqs |= sad->freq;
1604				else
1605					break;
1606			}
1607		}
1608
1609		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1610				    SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1611		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1612	}
1613
1614	kfree(sads);
1615}
1616
1617static void dce_v10_0_audio_enable(struct amdgpu_device *adev,
1618				  struct amdgpu_audio_pin *pin,
1619				  bool enable)
1620{
1621	if (!pin)
1622		return;
1623
1624	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1625			   enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1626}
1627
1628static const u32 pin_offsets[] =
1629{
1630	AUD0_REGISTER_OFFSET,
1631	AUD1_REGISTER_OFFSET,
1632	AUD2_REGISTER_OFFSET,
1633	AUD3_REGISTER_OFFSET,
1634	AUD4_REGISTER_OFFSET,
1635	AUD5_REGISTER_OFFSET,
1636	AUD6_REGISTER_OFFSET,
1637};
1638
1639static int dce_v10_0_audio_init(struct amdgpu_device *adev)
1640{
1641	int i;
1642
1643	if (!amdgpu_audio)
1644		return 0;
1645
1646	adev->mode_info.audio.enabled = true;
1647
1648	adev->mode_info.audio.num_pins = 7;
1649
1650	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1651		adev->mode_info.audio.pin[i].channels = -1;
1652		adev->mode_info.audio.pin[i].rate = -1;
1653		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1654		adev->mode_info.audio.pin[i].status_bits = 0;
1655		adev->mode_info.audio.pin[i].category_code = 0;
1656		adev->mode_info.audio.pin[i].connected = false;
1657		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1658		adev->mode_info.audio.pin[i].id = i;
1659		/* disable audio.  it will be set up later */
1660		/* XXX remove once we switch to ip funcs */
1661		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1662	}
1663
1664	return 0;
1665}
1666
1667static void dce_v10_0_audio_fini(struct amdgpu_device *adev)
1668{
1669	int i;
1670
1671	if (!amdgpu_audio)
1672		return;
1673
1674	if (!adev->mode_info.audio.enabled)
1675		return;
1676
1677	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1678		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1679
1680	adev->mode_info.audio.enabled = false;
1681}
1682
1683/*
1684 * update the N and CTS parameters for a given pixel clock rate
1685 */
1686static void dce_v10_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1687{
1688	struct drm_device *dev = encoder->dev;
1689	struct amdgpu_device *adev = dev->dev_private;
1690	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1691	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1692	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1693	u32 tmp;
1694
1695	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1696	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1697	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1698	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1699	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1700	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1701
1702	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1703	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1704	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1705	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1706	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1707	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1708
1709	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1710	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1711	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1712	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1713	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1714	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1715
1716}
1717
1718/*
1719 * build a HDMI Video Info Frame
1720 */
1721static void dce_v10_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1722					       void *buffer, size_t size)
1723{
1724	struct drm_device *dev = encoder->dev;
1725	struct amdgpu_device *adev = dev->dev_private;
1726	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1727	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1728	uint8_t *frame = buffer + 3;
1729	uint8_t *header = buffer;
1730
1731	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1732		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1733	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1734		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1735	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1736		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1737	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1738		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1739}
1740
1741static void dce_v10_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1742{
1743	struct drm_device *dev = encoder->dev;
1744	struct amdgpu_device *adev = dev->dev_private;
1745	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1746	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1747	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1748	u32 dto_phase = 24 * 1000;
1749	u32 dto_modulo = clock;
1750	u32 tmp;
1751
1752	if (!dig || !dig->afmt)
1753		return;
1754
1755	/* XXX two dtos; generally use dto0 for hdmi */
1756	/* Express [24MHz / target pixel clock] as an exact rational
1757	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1758	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1759	 */
1760	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1761	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1762			    amdgpu_crtc->crtc_id);
1763	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1764	WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1765	WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1766}
1767
1768/*
1769 * update the info frames with the data from the current display mode
1770 */
1771static void dce_v10_0_afmt_setmode(struct drm_encoder *encoder,
1772				  struct drm_display_mode *mode)
1773{
1774	struct drm_device *dev = encoder->dev;
1775	struct amdgpu_device *adev = dev->dev_private;
1776	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1777	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1778	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1779	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1780	struct hdmi_avi_infoframe frame;
1781	ssize_t err;
1782	u32 tmp;
1783	int bpc = 8;
1784
1785	if (!dig || !dig->afmt)
1786		return;
1787
1788	/* Silent, r600_hdmi_enable will raise WARN for us */
1789	if (!dig->afmt->enabled)
1790		return;
1791
1792	/* hdmi deep color mode general control packets setup, if bpc > 8 */
1793	if (encoder->crtc) {
1794		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1795		bpc = amdgpu_crtc->bpc;
1796	}
1797
1798	/* disable audio prior to setting up hw */
1799	dig->afmt->pin = dce_v10_0_audio_get_pin(adev);
1800	dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
1801
1802	dce_v10_0_audio_set_dto(encoder, mode->clock);
1803
1804	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1805	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1806	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1807
1808	WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1809
1810	tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1811	switch (bpc) {
1812	case 0:
1813	case 6:
1814	case 8:
1815	case 16:
1816	default:
1817		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1818		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1819		DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1820			  connector->name, bpc);
1821		break;
1822	case 10:
1823		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1824		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1825		DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1826			  connector->name);
1827		break;
1828	case 12:
1829		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1830		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1831		DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1832			  connector->name);
1833		break;
1834	}
1835	WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1836
1837	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1838	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1839	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1840	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1841	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1842
1843	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1844	/* enable audio info frames (frames won't be set until audio is enabled) */
1845	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1846	/* required for audio info values to be updated */
1847	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1848	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1849
1850	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1851	/* required for audio info values to be updated */
1852	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1853	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1854
1855	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1856	/* anything other than 0 */
1857	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1858	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1859
1860	WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1861
1862	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1863	/* set the default audio delay */
1864	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1865	/* should be suffient for all audio modes and small enough for all hblanks */
1866	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1867	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1868
1869	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1870	/* allow 60958 channel status fields to be updated */
1871	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1872	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1873
1874	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1875	if (bpc > 8)
1876		/* clear SW CTS value */
1877		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1878	else
1879		/* select SW CTS value */
1880		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1881	/* allow hw to sent ACR packets when required */
1882	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1883	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1884
1885	dce_v10_0_afmt_update_ACR(encoder, mode->clock);
1886
1887	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1888	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1889	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1890
1891	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1892	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1893	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1894
1895	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1896	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1897	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1898	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1899	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1900	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1901	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1902	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1903
1904	dce_v10_0_audio_write_speaker_allocation(encoder);
1905
1906	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1907	       (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1908
1909	dce_v10_0_afmt_audio_select_pin(encoder);
1910	dce_v10_0_audio_write_sad_regs(encoder);
1911	dce_v10_0_audio_write_latency_fields(encoder, mode);
1912
1913	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
1914	if (err < 0) {
1915		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1916		return;
1917	}
1918
1919	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1920	if (err < 0) {
1921		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1922		return;
1923	}
1924
1925	dce_v10_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1926
1927	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1928	/* enable AVI info frames */
1929	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1930	/* required for audio info values to be updated */
1931	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1932	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1933
1934	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1935	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1936	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1937
1938	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1939	/* send audio packets */
1940	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1941	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1942
1943	WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1944	WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1945	WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1946	WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1947
1948	/* enable audio after to setting up hw */
1949	dce_v10_0_audio_enable(adev, dig->afmt->pin, true);
1950}
1951
1952static void dce_v10_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1953{
1954	struct drm_device *dev = encoder->dev;
1955	struct amdgpu_device *adev = dev->dev_private;
1956	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1957	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1958
1959	if (!dig || !dig->afmt)
1960		return;
1961
1962	/* Silent, r600_hdmi_enable will raise WARN for us */
1963	if (enable && dig->afmt->enabled)
1964		return;
1965	if (!enable && !dig->afmt->enabled)
1966		return;
1967
1968	if (!enable && dig->afmt->pin) {
1969		dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
1970		dig->afmt->pin = NULL;
1971	}
1972
1973	dig->afmt->enabled = enable;
1974
1975	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1976		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1977}
1978
1979static int dce_v10_0_afmt_init(struct amdgpu_device *adev)
1980{
1981	int i;
1982
1983	for (i = 0; i < adev->mode_info.num_dig; i++)
1984		adev->mode_info.afmt[i] = NULL;
1985
1986	/* DCE10 has audio blocks tied to DIG encoders */
1987	for (i = 0; i < adev->mode_info.num_dig; i++) {
1988		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1989		if (adev->mode_info.afmt[i]) {
1990			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1991			adev->mode_info.afmt[i]->id = i;
1992		} else {
1993			int j;
1994			for (j = 0; j < i; j++) {
1995				kfree(adev->mode_info.afmt[j]);
1996				adev->mode_info.afmt[j] = NULL;
1997			}
1998			return -ENOMEM;
1999		}
2000	}
2001	return 0;
2002}
2003
2004static void dce_v10_0_afmt_fini(struct amdgpu_device *adev)
2005{
2006	int i;
2007
2008	for (i = 0; i < adev->mode_info.num_dig; i++) {
2009		kfree(adev->mode_info.afmt[i]);
2010		adev->mode_info.afmt[i] = NULL;
2011	}
2012}
2013
2014static const u32 vga_control_regs[6] =
2015{
2016	mmD1VGA_CONTROL,
2017	mmD2VGA_CONTROL,
2018	mmD3VGA_CONTROL,
2019	mmD4VGA_CONTROL,
2020	mmD5VGA_CONTROL,
2021	mmD6VGA_CONTROL,
2022};
2023
2024static void dce_v10_0_vga_enable(struct drm_crtc *crtc, bool enable)
2025{
2026	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2027	struct drm_device *dev = crtc->dev;
2028	struct amdgpu_device *adev = dev->dev_private;
2029	u32 vga_control;
2030
2031	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
2032	if (enable)
2033		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
2034	else
2035		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
2036}
2037
2038static void dce_v10_0_grph_enable(struct drm_crtc *crtc, bool enable)
2039{
2040	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2041	struct drm_device *dev = crtc->dev;
2042	struct amdgpu_device *adev = dev->dev_private;
2043
2044	if (enable)
2045		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
2046	else
2047		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
2048}
2049
2050static int dce_v10_0_crtc_do_set_base(struct drm_crtc *crtc,
2051				     struct drm_framebuffer *fb,
2052				     int x, int y, int atomic)
2053{
2054	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2055	struct drm_device *dev = crtc->dev;
2056	struct amdgpu_device *adev = dev->dev_private;
2057	struct amdgpu_framebuffer *amdgpu_fb;
2058	struct drm_framebuffer *target_fb;
2059	struct drm_gem_object *obj;
2060	struct amdgpu_bo *rbo;
2061	uint64_t fb_location, tiling_flags;
2062	uint32_t fb_format, fb_pitch_pixels;
2063	u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
2064	u32 pipe_config;
2065	u32 tmp, viewport_w, viewport_h;
2066	int r;
2067	bool bypass_lut = false;
 
2068
2069	/* no fb bound */
2070	if (!atomic && !crtc->primary->fb) {
2071		DRM_DEBUG_KMS("No FB bound\n");
2072		return 0;
2073	}
2074
2075	if (atomic) {
2076		amdgpu_fb = to_amdgpu_framebuffer(fb);
2077		target_fb = fb;
2078	} else {
2079		amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2080		target_fb = crtc->primary->fb;
2081	}
2082
2083	/* If atomic, assume fb object is pinned & idle & fenced and
2084	 * just update base pointers
2085	 */
2086	obj = amdgpu_fb->obj;
2087	rbo = gem_to_amdgpu_bo(obj);
2088	r = amdgpu_bo_reserve(rbo, false);
2089	if (unlikely(r != 0))
2090		return r;
2091
2092	if (atomic) {
2093		fb_location = amdgpu_bo_gpu_offset(rbo);
2094	} else {
2095		r = amdgpu_bo_pin(rbo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location);
2096		if (unlikely(r != 0)) {
2097			amdgpu_bo_unreserve(rbo);
2098			return -EINVAL;
2099		}
2100	}
2101
2102	amdgpu_bo_get_tiling_flags(rbo, &tiling_flags);
2103	amdgpu_bo_unreserve(rbo);
2104
2105	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
2106
2107	switch (target_fb->pixel_format) {
2108	case DRM_FORMAT_C8:
2109		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
2110		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2111		break;
2112	case DRM_FORMAT_XRGB4444:
2113	case DRM_FORMAT_ARGB4444:
2114		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2115		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
2116#ifdef __BIG_ENDIAN
2117		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2118					ENDIAN_8IN16);
2119#endif
2120		break;
2121	case DRM_FORMAT_XRGB1555:
2122	case DRM_FORMAT_ARGB1555:
2123		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2124		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2125#ifdef __BIG_ENDIAN
2126		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2127					ENDIAN_8IN16);
2128#endif
2129		break;
2130	case DRM_FORMAT_BGRX5551:
2131	case DRM_FORMAT_BGRA5551:
2132		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2133		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
2134#ifdef __BIG_ENDIAN
2135		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2136					ENDIAN_8IN16);
2137#endif
2138		break;
2139	case DRM_FORMAT_RGB565:
2140		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2141		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2142#ifdef __BIG_ENDIAN
2143		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2144					ENDIAN_8IN16);
2145#endif
2146		break;
2147	case DRM_FORMAT_XRGB8888:
2148	case DRM_FORMAT_ARGB8888:
2149		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2150		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2151#ifdef __BIG_ENDIAN
2152		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2153					ENDIAN_8IN32);
2154#endif
2155		break;
2156	case DRM_FORMAT_XRGB2101010:
2157	case DRM_FORMAT_ARGB2101010:
2158		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2159		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2160#ifdef __BIG_ENDIAN
2161		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2162					ENDIAN_8IN32);
2163#endif
2164		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2165		bypass_lut = true;
2166		break;
2167	case DRM_FORMAT_BGRX1010102:
2168	case DRM_FORMAT_BGRA1010102:
2169		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2170		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2171#ifdef __BIG_ENDIAN
2172		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2173					ENDIAN_8IN32);
2174#endif
2175		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2176		bypass_lut = true;
2177		break;
2178	default:
2179		DRM_ERROR("Unsupported screen format %s\n",
2180			drm_get_format_name(target_fb->pixel_format));
2181		return -EINVAL;
2182	}
2183
2184	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2185		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2186
2187		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2188		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2189		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2190		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2191		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2192
2193		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2194		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2195					  ARRAY_2D_TILED_THIN1);
2196		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2197					  tile_split);
2198		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2199		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2200		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2201					  mtaspect);
2202		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2203					  ADDR_SURF_MICRO_TILING_DISPLAY);
2204	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2205		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2206					  ARRAY_1D_TILED_THIN1);
2207	}
2208
2209	fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2210				  pipe_config);
2211
2212	dce_v10_0_vga_enable(crtc, false);
2213
 
 
 
 
 
 
 
 
2214	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2215	       upper_32_bits(fb_location));
2216	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2217	       upper_32_bits(fb_location));
2218	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2219	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2220	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2221	       (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2222	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2223	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2224
2225	/*
2226	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2227	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2228	 * retain the full precision throughout the pipeline.
2229	 */
2230	tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2231	if (bypass_lut)
2232		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2233	else
2234		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2235	WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2236
2237	if (bypass_lut)
2238		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2239
2240	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2241	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2242	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2243	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2244	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2245	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2246
2247	fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
2248	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2249
2250	dce_v10_0_grph_enable(crtc, true);
2251
2252	WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2253	       target_fb->height);
2254
2255	x &= ~3;
2256	y &= ~1;
2257	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2258	       (x << 16) | y);
2259	viewport_w = crtc->mode.hdisplay;
2260	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2261	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2262	       (viewport_w << 16) | viewport_h);
2263
2264	/* pageflip setup */
2265	/* make sure flip is at vb rather than hb */
2266	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2267	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2268			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2269	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2270
2271	/* set pageflip to happen only at start of vblank interval (front porch) */
2272	WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 3);
2273
2274	if (!atomic && fb && fb != crtc->primary->fb) {
2275		amdgpu_fb = to_amdgpu_framebuffer(fb);
2276		rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2277		r = amdgpu_bo_reserve(rbo, false);
2278		if (unlikely(r != 0))
2279			return r;
2280		amdgpu_bo_unpin(rbo);
2281		amdgpu_bo_unreserve(rbo);
2282	}
2283
2284	/* Bytes per pixel may have changed */
2285	dce_v10_0_bandwidth_update(adev);
2286
2287	return 0;
2288}
2289
2290static void dce_v10_0_set_interleave(struct drm_crtc *crtc,
2291				     struct drm_display_mode *mode)
2292{
2293	struct drm_device *dev = crtc->dev;
2294	struct amdgpu_device *adev = dev->dev_private;
2295	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2296	u32 tmp;
2297
2298	tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2299	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2300		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2301	else
2302		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2303	WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2304}
2305
2306static void dce_v10_0_crtc_load_lut(struct drm_crtc *crtc)
2307{
2308	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2309	struct drm_device *dev = crtc->dev;
2310	struct amdgpu_device *adev = dev->dev_private;
 
2311	int i;
2312	u32 tmp;
2313
2314	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2315
2316	tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2317	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2318	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_OVL_MODE, 0);
2319	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2320
2321	tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2322	tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2323	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2324
2325	tmp = RREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset);
2326	tmp = REG_SET_FIELD(tmp, PRESCALE_OVL_CONTROL, OVL_PRESCALE_BYPASS, 1);
2327	WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2328
2329	tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2330	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2331	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, OVL_INPUT_GAMMA_MODE, 0);
2332	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2333
2334	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2335
2336	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2337	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2338	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2339
2340	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2341	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2342	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2343
2344	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2345	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2346
2347	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
 
 
 
2348	for (i = 0; i < 256; i++) {
2349		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2350		       (amdgpu_crtc->lut_r[i] << 20) |
2351		       (amdgpu_crtc->lut_g[i] << 10) |
2352		       (amdgpu_crtc->lut_b[i] << 0));
2353	}
2354
2355	tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2356	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2357	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, OVL_DEGAMMA_MODE, 0);
2358	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2359	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2360
2361	tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2362	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2363	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, OVL_GAMUT_REMAP_MODE, 0);
2364	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2365
2366	tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2367	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2368	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, OVL_REGAMMA_MODE, 0);
2369	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2370
2371	tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2372	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2373	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_OVL_MODE, 0);
2374	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2375
2376	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2377	WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2378	/* XXX this only needs to be programmed once per crtc at startup,
2379	 * not sure where the best place for it is
2380	 */
2381	tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2382	tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2383	WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2384}
2385
2386static int dce_v10_0_pick_dig_encoder(struct drm_encoder *encoder)
2387{
2388	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2389	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2390
2391	switch (amdgpu_encoder->encoder_id) {
2392	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2393		if (dig->linkb)
2394			return 1;
2395		else
2396			return 0;
2397		break;
2398	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2399		if (dig->linkb)
2400			return 3;
2401		else
2402			return 2;
2403		break;
2404	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2405		if (dig->linkb)
2406			return 5;
2407		else
2408			return 4;
2409		break;
2410	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2411		return 6;
2412		break;
2413	default:
2414		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2415		return 0;
2416	}
2417}
2418
2419/**
2420 * dce_v10_0_pick_pll - Allocate a PPLL for use by the crtc.
2421 *
2422 * @crtc: drm crtc
2423 *
2424 * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2425 * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2426 * monitors a dedicated PPLL must be used.  If a particular board has
2427 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2428 * as there is no need to program the PLL itself.  If we are not able to
2429 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2430 * avoid messing up an existing monitor.
2431 *
2432 * Asic specific PLL information
2433 *
2434 * DCE 10.x
2435 * Tonga
2436 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2437 * CI
2438 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2439 *
2440 */
2441static u32 dce_v10_0_pick_pll(struct drm_crtc *crtc)
2442{
2443	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2444	struct drm_device *dev = crtc->dev;
2445	struct amdgpu_device *adev = dev->dev_private;
2446	u32 pll_in_use;
2447	int pll;
2448
2449	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2450		if (adev->clock.dp_extclk)
2451			/* skip PPLL programming if using ext clock */
2452			return ATOM_PPLL_INVALID;
2453		else {
2454			/* use the same PPLL for all DP monitors */
2455			pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2456			if (pll != ATOM_PPLL_INVALID)
2457				return pll;
2458		}
2459	} else {
2460		/* use the same PPLL for all monitors with the same clock */
2461		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2462		if (pll != ATOM_PPLL_INVALID)
2463			return pll;
2464	}
2465
2466	/* DCE10 has PPLL0, PPLL1, and PPLL2 */
2467	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2468	if (!(pll_in_use & (1 << ATOM_PPLL2)))
2469		return ATOM_PPLL2;
2470	if (!(pll_in_use & (1 << ATOM_PPLL1)))
2471		return ATOM_PPLL1;
2472	if (!(pll_in_use & (1 << ATOM_PPLL0)))
2473		return ATOM_PPLL0;
2474	DRM_ERROR("unable to allocate a PPLL\n");
2475	return ATOM_PPLL_INVALID;
2476}
2477
2478static void dce_v10_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2479{
2480	struct amdgpu_device *adev = crtc->dev->dev_private;
2481	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2482	uint32_t cur_lock;
2483
2484	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2485	if (lock)
2486		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2487	else
2488		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2489	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2490}
2491
2492static void dce_v10_0_hide_cursor(struct drm_crtc *crtc)
2493{
2494	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2495	struct amdgpu_device *adev = crtc->dev->dev_private;
2496	u32 tmp;
2497
2498	tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2499	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2500	WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2501}
2502
2503static void dce_v10_0_show_cursor(struct drm_crtc *crtc)
2504{
2505	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2506	struct amdgpu_device *adev = crtc->dev->dev_private;
2507	u32 tmp;
2508
2509	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2510	       upper_32_bits(amdgpu_crtc->cursor_addr));
2511	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2512	       lower_32_bits(amdgpu_crtc->cursor_addr));
2513
2514	tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2515	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2516	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2517	WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2518}
2519
2520static int dce_v10_0_cursor_move_locked(struct drm_crtc *crtc,
2521					int x, int y)
2522{
2523	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2524	struct amdgpu_device *adev = crtc->dev->dev_private;
2525	int xorigin = 0, yorigin = 0;
2526
 
 
 
2527	/* avivo cursor are offset into the total surface */
2528	x += crtc->x;
2529	y += crtc->y;
2530	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2531
2532	if (x < 0) {
2533		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2534		x = 0;
2535	}
2536	if (y < 0) {
2537		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2538		y = 0;
2539	}
2540
2541	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2542	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2543	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2544	       ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2545
2546	amdgpu_crtc->cursor_x = x;
2547	amdgpu_crtc->cursor_y = y;
2548
2549	return 0;
2550}
2551
2552static int dce_v10_0_crtc_cursor_move(struct drm_crtc *crtc,
2553				      int x, int y)
2554{
2555	int ret;
2556
2557	dce_v10_0_lock_cursor(crtc, true);
2558	ret = dce_v10_0_cursor_move_locked(crtc, x, y);
2559	dce_v10_0_lock_cursor(crtc, false);
2560
2561	return ret;
2562}
2563
2564static int dce_v10_0_crtc_cursor_set2(struct drm_crtc *crtc,
2565				      struct drm_file *file_priv,
2566				      uint32_t handle,
2567				      uint32_t width,
2568				      uint32_t height,
2569				      int32_t hot_x,
2570				      int32_t hot_y)
2571{
2572	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2573	struct drm_gem_object *obj;
2574	struct amdgpu_bo *aobj;
2575	int ret;
2576
2577	if (!handle) {
2578		/* turn off cursor */
2579		dce_v10_0_hide_cursor(crtc);
2580		obj = NULL;
2581		goto unpin;
2582	}
2583
2584	if ((width > amdgpu_crtc->max_cursor_width) ||
2585	    (height > amdgpu_crtc->max_cursor_height)) {
2586		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2587		return -EINVAL;
2588	}
2589
2590	obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
2591	if (!obj) {
2592		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2593		return -ENOENT;
2594	}
2595
2596	aobj = gem_to_amdgpu_bo(obj);
2597	ret = amdgpu_bo_reserve(aobj, false);
2598	if (ret != 0) {
2599		drm_gem_object_unreference_unlocked(obj);
2600		return ret;
2601	}
2602
2603	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM, &amdgpu_crtc->cursor_addr);
2604	amdgpu_bo_unreserve(aobj);
2605	if (ret) {
2606		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2607		drm_gem_object_unreference_unlocked(obj);
2608		return ret;
2609	}
2610
2611	amdgpu_crtc->cursor_width = width;
2612	amdgpu_crtc->cursor_height = height;
2613
2614	dce_v10_0_lock_cursor(crtc, true);
2615
2616	if (hot_x != amdgpu_crtc->cursor_hot_x ||
 
 
2617	    hot_y != amdgpu_crtc->cursor_hot_y) {
2618		int x, y;
2619
2620		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2621		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2622
2623		dce_v10_0_cursor_move_locked(crtc, x, y);
2624
 
 
2625		amdgpu_crtc->cursor_hot_x = hot_x;
2626		amdgpu_crtc->cursor_hot_y = hot_y;
2627	}
2628
2629	dce_v10_0_show_cursor(crtc);
2630	dce_v10_0_lock_cursor(crtc, false);
2631
2632unpin:
2633	if (amdgpu_crtc->cursor_bo) {
2634		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2635		ret = amdgpu_bo_reserve(aobj, false);
2636		if (likely(ret == 0)) {
2637			amdgpu_bo_unpin(aobj);
2638			amdgpu_bo_unreserve(aobj);
2639		}
2640		drm_gem_object_unreference_unlocked(amdgpu_crtc->cursor_bo);
2641	}
2642
2643	amdgpu_crtc->cursor_bo = obj;
2644	return 0;
2645}
2646
2647static void dce_v10_0_cursor_reset(struct drm_crtc *crtc)
2648{
2649	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2650
2651	if (amdgpu_crtc->cursor_bo) {
2652		dce_v10_0_lock_cursor(crtc, true);
2653
2654		dce_v10_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2655					     amdgpu_crtc->cursor_y);
2656
2657		dce_v10_0_show_cursor(crtc);
2658
2659		dce_v10_0_lock_cursor(crtc, false);
2660	}
2661}
2662
2663static void dce_v10_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2664				    u16 *blue, uint32_t start, uint32_t size)
 
2665{
2666	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2667	int end = (start + size > 256) ? 256 : start + size, i;
2668
2669	/* userspace palettes are always correct as is */
2670	for (i = start; i < end; i++) {
2671		amdgpu_crtc->lut_r[i] = red[i] >> 6;
2672		amdgpu_crtc->lut_g[i] = green[i] >> 6;
2673		amdgpu_crtc->lut_b[i] = blue[i] >> 6;
2674	}
2675	dce_v10_0_crtc_load_lut(crtc);
2676}
2677
2678static void dce_v10_0_crtc_destroy(struct drm_crtc *crtc)
2679{
2680	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2681
2682	drm_crtc_cleanup(crtc);
2683	kfree(amdgpu_crtc);
2684}
2685
2686static const struct drm_crtc_funcs dce_v10_0_crtc_funcs = {
2687	.cursor_set2 = dce_v10_0_crtc_cursor_set2,
2688	.cursor_move = dce_v10_0_crtc_cursor_move,
2689	.gamma_set = dce_v10_0_crtc_gamma_set,
2690	.set_config = amdgpu_crtc_set_config,
2691	.destroy = dce_v10_0_crtc_destroy,
2692	.page_flip = amdgpu_crtc_page_flip,
2693};
2694
2695static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2696{
2697	struct drm_device *dev = crtc->dev;
2698	struct amdgpu_device *adev = dev->dev_private;
2699	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2700	unsigned type;
2701
2702	switch (mode) {
2703	case DRM_MODE_DPMS_ON:
2704		amdgpu_crtc->enabled = true;
2705		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2706		dce_v10_0_vga_enable(crtc, true);
2707		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2708		dce_v10_0_vga_enable(crtc, false);
2709		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2710		type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id);
 
2711		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2712		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2713		drm_vblank_on(dev, amdgpu_crtc->crtc_id);
2714		dce_v10_0_crtc_load_lut(crtc);
2715		break;
2716	case DRM_MODE_DPMS_STANDBY:
2717	case DRM_MODE_DPMS_SUSPEND:
2718	case DRM_MODE_DPMS_OFF:
2719		drm_vblank_off(dev, amdgpu_crtc->crtc_id);
2720		if (amdgpu_crtc->enabled) {
2721			dce_v10_0_vga_enable(crtc, true);
2722			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2723			dce_v10_0_vga_enable(crtc, false);
2724		}
2725		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2726		amdgpu_crtc->enabled = false;
2727		break;
2728	}
2729	/* adjust pm to dpms */
2730	amdgpu_pm_compute_clocks(adev);
2731}
2732
2733static void dce_v10_0_crtc_prepare(struct drm_crtc *crtc)
2734{
2735	/* disable crtc pair power gating before programming */
2736	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2737	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2738	dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2739}
2740
2741static void dce_v10_0_crtc_commit(struct drm_crtc *crtc)
2742{
2743	dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2744	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2745}
2746
2747static void dce_v10_0_crtc_disable(struct drm_crtc *crtc)
2748{
2749	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2750	struct drm_device *dev = crtc->dev;
2751	struct amdgpu_device *adev = dev->dev_private;
2752	struct amdgpu_atom_ss ss;
2753	int i;
2754
2755	dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2756	if (crtc->primary->fb) {
2757		int r;
2758		struct amdgpu_framebuffer *amdgpu_fb;
2759		struct amdgpu_bo *rbo;
2760
2761		amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2762		rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2763		r = amdgpu_bo_reserve(rbo, false);
2764		if (unlikely(r))
2765			DRM_ERROR("failed to reserve rbo before unpin\n");
2766		else {
2767			amdgpu_bo_unpin(rbo);
2768			amdgpu_bo_unreserve(rbo);
2769		}
2770	}
2771	/* disable the GRPH */
2772	dce_v10_0_grph_enable(crtc, false);
2773
2774	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2775
2776	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2777		if (adev->mode_info.crtcs[i] &&
2778		    adev->mode_info.crtcs[i]->enabled &&
2779		    i != amdgpu_crtc->crtc_id &&
2780		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2781			/* one other crtc is using this pll don't turn
2782			 * off the pll
2783			 */
2784			goto done;
2785		}
2786	}
2787
2788	switch (amdgpu_crtc->pll_id) {
2789	case ATOM_PPLL0:
2790	case ATOM_PPLL1:
2791	case ATOM_PPLL2:
2792		/* disable the ppll */
2793		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2794					  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2795		break;
2796	default:
2797		break;
2798	}
2799done:
2800	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2801	amdgpu_crtc->adjusted_clock = 0;
2802	amdgpu_crtc->encoder = NULL;
2803	amdgpu_crtc->connector = NULL;
2804}
2805
2806static int dce_v10_0_crtc_mode_set(struct drm_crtc *crtc,
2807				  struct drm_display_mode *mode,
2808				  struct drm_display_mode *adjusted_mode,
2809				  int x, int y, struct drm_framebuffer *old_fb)
2810{
2811	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2812
2813	if (!amdgpu_crtc->adjusted_clock)
2814		return -EINVAL;
2815
2816	amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2817	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2818	dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2819	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2820	amdgpu_atombios_crtc_scaler_setup(crtc);
2821	dce_v10_0_cursor_reset(crtc);
2822	/* update the hw version fpr dpm */
2823	amdgpu_crtc->hw_mode = *adjusted_mode;
2824
2825	return 0;
2826}
2827
2828static bool dce_v10_0_crtc_mode_fixup(struct drm_crtc *crtc,
2829				     const struct drm_display_mode *mode,
2830				     struct drm_display_mode *adjusted_mode)
2831{
2832	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2833	struct drm_device *dev = crtc->dev;
2834	struct drm_encoder *encoder;
2835
2836	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2837	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2838		if (encoder->crtc == crtc) {
2839			amdgpu_crtc->encoder = encoder;
2840			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2841			break;
2842		}
2843	}
2844	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2845		amdgpu_crtc->encoder = NULL;
2846		amdgpu_crtc->connector = NULL;
2847		return false;
2848	}
2849	if (!amdgpu_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2850		return false;
2851	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2852		return false;
2853	/* pick pll */
2854	amdgpu_crtc->pll_id = dce_v10_0_pick_pll(crtc);
2855	/* if we can't get a PPLL for a non-DP encoder, fail */
2856	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2857	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2858		return false;
2859
2860	return true;
2861}
2862
2863static int dce_v10_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2864				  struct drm_framebuffer *old_fb)
2865{
2866	return dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2867}
2868
2869static int dce_v10_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2870					 struct drm_framebuffer *fb,
2871					 int x, int y, enum mode_set_atomic state)
2872{
2873       return dce_v10_0_crtc_do_set_base(crtc, fb, x, y, 1);
2874}
2875
2876static const struct drm_crtc_helper_funcs dce_v10_0_crtc_helper_funcs = {
2877	.dpms = dce_v10_0_crtc_dpms,
2878	.mode_fixup = dce_v10_0_crtc_mode_fixup,
2879	.mode_set = dce_v10_0_crtc_mode_set,
2880	.mode_set_base = dce_v10_0_crtc_set_base,
2881	.mode_set_base_atomic = dce_v10_0_crtc_set_base_atomic,
2882	.prepare = dce_v10_0_crtc_prepare,
2883	.commit = dce_v10_0_crtc_commit,
2884	.load_lut = dce_v10_0_crtc_load_lut,
2885	.disable = dce_v10_0_crtc_disable,
2886};
2887
2888static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index)
2889{
2890	struct amdgpu_crtc *amdgpu_crtc;
2891	int i;
2892
2893	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2894			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2895	if (amdgpu_crtc == NULL)
2896		return -ENOMEM;
2897
2898	drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v10_0_crtc_funcs);
2899
2900	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2901	amdgpu_crtc->crtc_id = index;
2902	adev->mode_info.crtcs[index] = amdgpu_crtc;
2903
2904	amdgpu_crtc->max_cursor_width = 128;
2905	amdgpu_crtc->max_cursor_height = 128;
2906	adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2907	adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2908
2909	for (i = 0; i < 256; i++) {
2910		amdgpu_crtc->lut_r[i] = i << 2;
2911		amdgpu_crtc->lut_g[i] = i << 2;
2912		amdgpu_crtc->lut_b[i] = i << 2;
2913	}
2914
2915	switch (amdgpu_crtc->crtc_id) {
2916	case 0:
2917	default:
2918		amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2919		break;
2920	case 1:
2921		amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2922		break;
2923	case 2:
2924		amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2925		break;
2926	case 3:
2927		amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2928		break;
2929	case 4:
2930		amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2931		break;
2932	case 5:
2933		amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2934		break;
2935	}
2936
2937	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2938	amdgpu_crtc->adjusted_clock = 0;
2939	amdgpu_crtc->encoder = NULL;
2940	amdgpu_crtc->connector = NULL;
2941	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v10_0_crtc_helper_funcs);
2942
2943	return 0;
2944}
2945
2946static int dce_v10_0_early_init(void *handle)
2947{
2948	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2949
2950	adev->audio_endpt_rreg = &dce_v10_0_audio_endpt_rreg;
2951	adev->audio_endpt_wreg = &dce_v10_0_audio_endpt_wreg;
2952
2953	dce_v10_0_set_display_funcs(adev);
2954	dce_v10_0_set_irq_funcs(adev);
 
2955
2956	switch (adev->asic_type) {
2957	case CHIP_FIJI:
2958	case CHIP_TONGA:
2959		adev->mode_info.num_crtc = 6; /* XXX 7??? */
2960		adev->mode_info.num_hpd = 6;
2961		adev->mode_info.num_dig = 7;
2962		break;
2963	default:
2964		/* FIXME: not supported yet */
2965		return -EINVAL;
2966	}
2967
 
 
2968	return 0;
2969}
2970
2971static int dce_v10_0_sw_init(void *handle)
2972{
2973	int r, i;
2974	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2975
2976	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2977		r = amdgpu_irq_add_id(adev, i + 1, &adev->crtc_irq);
2978		if (r)
2979			return r;
2980	}
2981
2982	for (i = 8; i < 20; i += 2) {
2983		r = amdgpu_irq_add_id(adev, i, &adev->pageflip_irq);
2984		if (r)
2985			return r;
2986	}
2987
2988	/* HPD hotplug */
2989	r = amdgpu_irq_add_id(adev, 42, &adev->hpd_irq);
2990	if (r)
2991		return r;
2992
2993	adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2994
 
 
2995	adev->ddev->mode_config.max_width = 16384;
2996	adev->ddev->mode_config.max_height = 16384;
2997
2998	adev->ddev->mode_config.preferred_depth = 24;
2999	adev->ddev->mode_config.prefer_shadow = 1;
3000
3001	adev->ddev->mode_config.fb_base = adev->mc.aper_base;
3002
3003	r = amdgpu_modeset_create_props(adev);
3004	if (r)
3005		return r;
3006
3007	adev->ddev->mode_config.max_width = 16384;
3008	adev->ddev->mode_config.max_height = 16384;
3009
3010	/* allocate crtcs */
3011	for (i = 0; i < adev->mode_info.num_crtc; i++) {
3012		r = dce_v10_0_crtc_init(adev, i);
3013		if (r)
3014			return r;
3015	}
3016
3017	if (amdgpu_atombios_get_connector_info_from_object_table(adev))
3018		amdgpu_print_display_setup(adev->ddev);
3019	else
3020		return -EINVAL;
3021
3022	/* setup afmt */
3023	r = dce_v10_0_afmt_init(adev);
3024	if (r)
3025		return r;
3026
3027	r = dce_v10_0_audio_init(adev);
3028	if (r)
3029		return r;
3030
3031	drm_kms_helper_poll_init(adev->ddev);
3032
3033	adev->mode_info.mode_config_initialized = true;
3034	return 0;
3035}
3036
3037static int dce_v10_0_sw_fini(void *handle)
3038{
3039	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3040
3041	kfree(adev->mode_info.bios_hardcoded_edid);
3042
3043	drm_kms_helper_poll_fini(adev->ddev);
3044
3045	dce_v10_0_audio_fini(adev);
3046
3047	dce_v10_0_afmt_fini(adev);
3048
3049	drm_mode_config_cleanup(adev->ddev);
3050	adev->mode_info.mode_config_initialized = false;
3051
3052	return 0;
3053}
3054
3055static int dce_v10_0_hw_init(void *handle)
3056{
3057	int i;
3058	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3059
3060	dce_v10_0_init_golden_registers(adev);
3061
 
 
3062	/* init dig PHYs, disp eng pll */
3063	amdgpu_atombios_encoder_init_dig(adev);
3064	amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3065
3066	/* initialize hpd */
3067	dce_v10_0_hpd_init(adev);
3068
3069	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3070		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3071	}
3072
3073	dce_v10_0_pageflip_interrupt_init(adev);
3074
3075	return 0;
3076}
3077
3078static int dce_v10_0_hw_fini(void *handle)
3079{
3080	int i;
3081	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3082
3083	dce_v10_0_hpd_fini(adev);
3084
3085	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3086		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3087	}
3088
3089	dce_v10_0_pageflip_interrupt_fini(adev);
3090
3091	return 0;
3092}
3093
3094static int dce_v10_0_suspend(void *handle)
3095{
3096	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3097
3098	amdgpu_atombios_scratch_regs_save(adev);
 
3099
3100	return dce_v10_0_hw_fini(handle);
3101}
3102
3103static int dce_v10_0_resume(void *handle)
3104{
3105	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3106	int ret;
3107
 
 
 
3108	ret = dce_v10_0_hw_init(handle);
3109
3110	amdgpu_atombios_scratch_regs_restore(adev);
3111
3112	/* turn on the BL */
3113	if (adev->mode_info.bl_encoder) {
3114		u8 bl_level = amdgpu_display_backlight_get_level(adev,
3115								  adev->mode_info.bl_encoder);
3116		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3117						    bl_level);
3118	}
3119
3120	return ret;
3121}
3122
3123static bool dce_v10_0_is_idle(void *handle)
3124{
3125	return true;
3126}
3127
3128static int dce_v10_0_wait_for_idle(void *handle)
3129{
3130	return 0;
3131}
3132
3133static void dce_v10_0_print_status(void *handle)
3134{
3135	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3136
3137	dev_info(adev->dev, "DCE 10.x registers\n");
3138	/* XXX todo */
3139}
3140
3141static int dce_v10_0_soft_reset(void *handle)
3142{
3143	u32 srbm_soft_reset = 0, tmp;
3144	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3145
3146	if (dce_v10_0_is_display_hung(adev))
3147		srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3148
3149	if (srbm_soft_reset) {
3150		dce_v10_0_print_status((void *)adev);
3151
3152		tmp = RREG32(mmSRBM_SOFT_RESET);
3153		tmp |= srbm_soft_reset;
3154		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3155		WREG32(mmSRBM_SOFT_RESET, tmp);
3156		tmp = RREG32(mmSRBM_SOFT_RESET);
3157
3158		udelay(50);
3159
3160		tmp &= ~srbm_soft_reset;
3161		WREG32(mmSRBM_SOFT_RESET, tmp);
3162		tmp = RREG32(mmSRBM_SOFT_RESET);
3163
3164		/* Wait a little for things to settle down */
3165		udelay(50);
3166		dce_v10_0_print_status((void *)adev);
3167	}
3168	return 0;
3169}
3170
3171static void dce_v10_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3172						     int crtc,
3173						     enum amdgpu_interrupt_state state)
3174{
3175	u32 lb_interrupt_mask;
3176
3177	if (crtc >= adev->mode_info.num_crtc) {
3178		DRM_DEBUG("invalid crtc %d\n", crtc);
3179		return;
3180	}
3181
3182	switch (state) {
3183	case AMDGPU_IRQ_STATE_DISABLE:
3184		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3185		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3186						  VBLANK_INTERRUPT_MASK, 0);
3187		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3188		break;
3189	case AMDGPU_IRQ_STATE_ENABLE:
3190		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3191		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3192						  VBLANK_INTERRUPT_MASK, 1);
3193		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3194		break;
3195	default:
3196		break;
3197	}
3198}
3199
3200static void dce_v10_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3201						    int crtc,
3202						    enum amdgpu_interrupt_state state)
3203{
3204	u32 lb_interrupt_mask;
3205
3206	if (crtc >= adev->mode_info.num_crtc) {
3207		DRM_DEBUG("invalid crtc %d\n", crtc);
3208		return;
3209	}
3210
3211	switch (state) {
3212	case AMDGPU_IRQ_STATE_DISABLE:
3213		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3214		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3215						  VLINE_INTERRUPT_MASK, 0);
3216		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3217		break;
3218	case AMDGPU_IRQ_STATE_ENABLE:
3219		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3220		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3221						  VLINE_INTERRUPT_MASK, 1);
3222		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3223		break;
3224	default:
3225		break;
3226	}
3227}
3228
3229static int dce_v10_0_set_hpd_irq_state(struct amdgpu_device *adev,
3230				       struct amdgpu_irq_src *source,
3231				       unsigned hpd,
3232				       enum amdgpu_interrupt_state state)
3233{
3234	u32 tmp;
3235
3236	if (hpd >= adev->mode_info.num_hpd) {
3237		DRM_DEBUG("invalid hdp %d\n", hpd);
3238		return 0;
3239	}
3240
3241	switch (state) {
3242	case AMDGPU_IRQ_STATE_DISABLE:
3243		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3244		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3245		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3246		break;
3247	case AMDGPU_IRQ_STATE_ENABLE:
3248		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3249		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3250		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3251		break;
3252	default:
3253		break;
3254	}
3255
3256	return 0;
3257}
3258
3259static int dce_v10_0_set_crtc_irq_state(struct amdgpu_device *adev,
3260					struct amdgpu_irq_src *source,
3261					unsigned type,
3262					enum amdgpu_interrupt_state state)
3263{
3264	switch (type) {
3265	case AMDGPU_CRTC_IRQ_VBLANK1:
3266		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3267		break;
3268	case AMDGPU_CRTC_IRQ_VBLANK2:
3269		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3270		break;
3271	case AMDGPU_CRTC_IRQ_VBLANK3:
3272		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3273		break;
3274	case AMDGPU_CRTC_IRQ_VBLANK4:
3275		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3276		break;
3277	case AMDGPU_CRTC_IRQ_VBLANK5:
3278		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3279		break;
3280	case AMDGPU_CRTC_IRQ_VBLANK6:
3281		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3282		break;
3283	case AMDGPU_CRTC_IRQ_VLINE1:
3284		dce_v10_0_set_crtc_vline_interrupt_state(adev, 0, state);
3285		break;
3286	case AMDGPU_CRTC_IRQ_VLINE2:
3287		dce_v10_0_set_crtc_vline_interrupt_state(adev, 1, state);
3288		break;
3289	case AMDGPU_CRTC_IRQ_VLINE3:
3290		dce_v10_0_set_crtc_vline_interrupt_state(adev, 2, state);
3291		break;
3292	case AMDGPU_CRTC_IRQ_VLINE4:
3293		dce_v10_0_set_crtc_vline_interrupt_state(adev, 3, state);
3294		break;
3295	case AMDGPU_CRTC_IRQ_VLINE5:
3296		dce_v10_0_set_crtc_vline_interrupt_state(adev, 4, state);
3297		break;
3298	case AMDGPU_CRTC_IRQ_VLINE6:
3299		dce_v10_0_set_crtc_vline_interrupt_state(adev, 5, state);
3300		break;
3301	default:
3302		break;
3303	}
3304	return 0;
3305}
3306
3307static int dce_v10_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3308					    struct amdgpu_irq_src *src,
3309					    unsigned type,
3310					    enum amdgpu_interrupt_state state)
3311{
3312	u32 reg;
3313
3314	if (type >= adev->mode_info.num_crtc) {
3315		DRM_ERROR("invalid pageflip crtc %d\n", type);
3316		return -EINVAL;
3317	}
3318
3319	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3320	if (state == AMDGPU_IRQ_STATE_DISABLE)
3321		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3322		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3323	else
3324		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3325		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3326
3327	return 0;
3328}
3329
3330static int dce_v10_0_pageflip_irq(struct amdgpu_device *adev,
3331				  struct amdgpu_irq_src *source,
3332				  struct amdgpu_iv_entry *entry)
3333{
3334	unsigned long flags;
3335	unsigned crtc_id;
3336	struct amdgpu_crtc *amdgpu_crtc;
3337	struct amdgpu_flip_work *works;
3338
3339	crtc_id = (entry->src_id - 8) >> 1;
3340	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3341
3342	if (crtc_id >= adev->mode_info.num_crtc) {
3343		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3344		return -EINVAL;
3345	}
3346
3347	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3348	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3349		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3350		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3351
3352	/* IRQ could occur when in initial stage */
3353	if (amdgpu_crtc == NULL)
3354		return 0;
3355
3356	spin_lock_irqsave(&adev->ddev->event_lock, flags);
3357	works = amdgpu_crtc->pflip_works;
3358	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) {
3359		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3360						 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3361						 amdgpu_crtc->pflip_status,
3362						 AMDGPU_FLIP_SUBMITTED);
3363		spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3364		return 0;
3365	}
3366
3367	/* page flip completed. clean up */
3368	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3369	amdgpu_crtc->pflip_works = NULL;
3370
3371	/* wakeup usersapce */
3372	if (works->event)
3373		drm_send_vblank_event(adev->ddev, crtc_id, works->event);
3374
3375	spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3376
3377	drm_vblank_put(adev->ddev, amdgpu_crtc->crtc_id);
3378	schedule_work(&works->unpin_work);
3379
3380	return 0;
3381}
3382
3383static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev,
3384				  int hpd)
3385{
3386	u32 tmp;
3387
3388	if (hpd >= adev->mode_info.num_hpd) {
3389		DRM_DEBUG("invalid hdp %d\n", hpd);
3390		return;
3391	}
3392
3393	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3394	tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3395	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3396}
3397
3398static void dce_v10_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3399					  int crtc)
3400{
3401	u32 tmp;
3402
3403	if (crtc >= adev->mode_info.num_crtc) {
3404		DRM_DEBUG("invalid crtc %d\n", crtc);
3405		return;
3406	}
3407
3408	tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3409	tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3410	WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3411}
3412
3413static void dce_v10_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3414					 int crtc)
3415{
3416	u32 tmp;
3417
3418	if (crtc >= adev->mode_info.num_crtc) {
3419		DRM_DEBUG("invalid crtc %d\n", crtc);
3420		return;
3421	}
3422
3423	tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3424	tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3425	WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3426}
3427
3428static int dce_v10_0_crtc_irq(struct amdgpu_device *adev,
3429			      struct amdgpu_irq_src *source,
3430			      struct amdgpu_iv_entry *entry)
3431{
3432	unsigned crtc = entry->src_id - 1;
3433	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3434	unsigned irq_type = amdgpu_crtc_idx_to_irq_type(adev, crtc);
3435
3436	switch (entry->src_data) {
3437	case 0: /* vblank */
3438		if (disp_int & interrupt_status_offsets[crtc].vblank)
3439			dce_v10_0_crtc_vblank_int_ack(adev, crtc);
3440		else
3441			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3442
3443		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3444			drm_handle_vblank(adev->ddev, crtc);
3445		}
3446		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3447
3448		break;
3449	case 1: /* vline */
3450		if (disp_int & interrupt_status_offsets[crtc].vline)
3451			dce_v10_0_crtc_vline_int_ack(adev, crtc);
3452		else
3453			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3454
3455		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3456
3457		break;
3458	default:
3459		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3460		break;
3461	}
3462
3463	return 0;
3464}
3465
3466static int dce_v10_0_hpd_irq(struct amdgpu_device *adev,
3467			     struct amdgpu_irq_src *source,
3468			     struct amdgpu_iv_entry *entry)
3469{
3470	uint32_t disp_int, mask;
3471	unsigned hpd;
3472
3473	if (entry->src_data >= adev->mode_info.num_hpd) {
3474		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3475		return 0;
3476	}
3477
3478	hpd = entry->src_data;
3479	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3480	mask = interrupt_status_offsets[hpd].hpd;
3481
3482	if (disp_int & mask) {
3483		dce_v10_0_hpd_int_ack(adev, hpd);
3484		schedule_work(&adev->hotplug_work);
3485		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3486	}
3487
3488	return 0;
3489}
3490
3491static int dce_v10_0_set_clockgating_state(void *handle,
3492					  enum amd_clockgating_state state)
3493{
3494	return 0;
3495}
3496
3497static int dce_v10_0_set_powergating_state(void *handle,
3498					  enum amd_powergating_state state)
3499{
3500	return 0;
3501}
3502
3503const struct amd_ip_funcs dce_v10_0_ip_funcs = {
 
3504	.early_init = dce_v10_0_early_init,
3505	.late_init = NULL,
3506	.sw_init = dce_v10_0_sw_init,
3507	.sw_fini = dce_v10_0_sw_fini,
3508	.hw_init = dce_v10_0_hw_init,
3509	.hw_fini = dce_v10_0_hw_fini,
3510	.suspend = dce_v10_0_suspend,
3511	.resume = dce_v10_0_resume,
3512	.is_idle = dce_v10_0_is_idle,
3513	.wait_for_idle = dce_v10_0_wait_for_idle,
 
3514	.soft_reset = dce_v10_0_soft_reset,
3515	.print_status = dce_v10_0_print_status,
3516	.set_clockgating_state = dce_v10_0_set_clockgating_state,
3517	.set_powergating_state = dce_v10_0_set_powergating_state,
3518};
3519
3520static void
3521dce_v10_0_encoder_mode_set(struct drm_encoder *encoder,
3522			  struct drm_display_mode *mode,
3523			  struct drm_display_mode *adjusted_mode)
3524{
3525	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3526
3527	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3528
3529	/* need to call this here rather than in prepare() since we need some crtc info */
3530	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3531
3532	/* set scaler clears this on some chips */
3533	dce_v10_0_set_interleave(encoder->crtc, mode);
3534
3535	if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3536		dce_v10_0_afmt_enable(encoder, true);
3537		dce_v10_0_afmt_setmode(encoder, adjusted_mode);
3538	}
3539}
3540
3541static void dce_v10_0_encoder_prepare(struct drm_encoder *encoder)
3542{
3543	struct amdgpu_device *adev = encoder->dev->dev_private;
3544	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3545	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3546
3547	if ((amdgpu_encoder->active_device &
3548	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3549	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3550	     ENCODER_OBJECT_ID_NONE)) {
3551		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3552		if (dig) {
3553			dig->dig_encoder = dce_v10_0_pick_dig_encoder(encoder);
3554			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3555				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3556		}
3557	}
3558
3559	amdgpu_atombios_scratch_regs_lock(adev, true);
3560
3561	if (connector) {
3562		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3563
3564		/* select the clock/data port if it uses a router */
3565		if (amdgpu_connector->router.cd_valid)
3566			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3567
3568		/* turn eDP panel on for mode set */
3569		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3570			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3571							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3572	}
3573
3574	/* this is needed for the pll/ss setup to work correctly in some cases */
3575	amdgpu_atombios_encoder_set_crtc_source(encoder);
3576	/* set up the FMT blocks */
3577	dce_v10_0_program_fmt(encoder);
3578}
3579
3580static void dce_v10_0_encoder_commit(struct drm_encoder *encoder)
3581{
3582	struct drm_device *dev = encoder->dev;
3583	struct amdgpu_device *adev = dev->dev_private;
3584
3585	/* need to call this here as we need the crtc set up */
3586	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3587	amdgpu_atombios_scratch_regs_lock(adev, false);
3588}
3589
3590static void dce_v10_0_encoder_disable(struct drm_encoder *encoder)
3591{
3592	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3593	struct amdgpu_encoder_atom_dig *dig;
3594
3595	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3596
3597	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3598		if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3599			dce_v10_0_afmt_enable(encoder, false);
3600		dig = amdgpu_encoder->enc_priv;
3601		dig->dig_encoder = -1;
3602	}
3603	amdgpu_encoder->active_device = 0;
3604}
3605
3606/* these are handled by the primary encoders */
3607static void dce_v10_0_ext_prepare(struct drm_encoder *encoder)
3608{
3609
3610}
3611
3612static void dce_v10_0_ext_commit(struct drm_encoder *encoder)
3613{
3614
3615}
3616
3617static void
3618dce_v10_0_ext_mode_set(struct drm_encoder *encoder,
3619		      struct drm_display_mode *mode,
3620		      struct drm_display_mode *adjusted_mode)
3621{
3622
3623}
3624
3625static void dce_v10_0_ext_disable(struct drm_encoder *encoder)
3626{
3627
3628}
3629
3630static void
3631dce_v10_0_ext_dpms(struct drm_encoder *encoder, int mode)
3632{
3633
3634}
3635
3636static const struct drm_encoder_helper_funcs dce_v10_0_ext_helper_funcs = {
3637	.dpms = dce_v10_0_ext_dpms,
3638	.prepare = dce_v10_0_ext_prepare,
3639	.mode_set = dce_v10_0_ext_mode_set,
3640	.commit = dce_v10_0_ext_commit,
3641	.disable = dce_v10_0_ext_disable,
3642	/* no detect for TMDS/LVDS yet */
3643};
3644
3645static const struct drm_encoder_helper_funcs dce_v10_0_dig_helper_funcs = {
3646	.dpms = amdgpu_atombios_encoder_dpms,
3647	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3648	.prepare = dce_v10_0_encoder_prepare,
3649	.mode_set = dce_v10_0_encoder_mode_set,
3650	.commit = dce_v10_0_encoder_commit,
3651	.disable = dce_v10_0_encoder_disable,
3652	.detect = amdgpu_atombios_encoder_dig_detect,
3653};
3654
3655static const struct drm_encoder_helper_funcs dce_v10_0_dac_helper_funcs = {
3656	.dpms = amdgpu_atombios_encoder_dpms,
3657	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3658	.prepare = dce_v10_0_encoder_prepare,
3659	.mode_set = dce_v10_0_encoder_mode_set,
3660	.commit = dce_v10_0_encoder_commit,
3661	.detect = amdgpu_atombios_encoder_dac_detect,
3662};
3663
3664static void dce_v10_0_encoder_destroy(struct drm_encoder *encoder)
3665{
3666	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3667	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3668		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3669	kfree(amdgpu_encoder->enc_priv);
3670	drm_encoder_cleanup(encoder);
3671	kfree(amdgpu_encoder);
3672}
3673
3674static const struct drm_encoder_funcs dce_v10_0_encoder_funcs = {
3675	.destroy = dce_v10_0_encoder_destroy,
3676};
3677
3678static void dce_v10_0_encoder_add(struct amdgpu_device *adev,
3679				 uint32_t encoder_enum,
3680				 uint32_t supported_device,
3681				 u16 caps)
3682{
3683	struct drm_device *dev = adev->ddev;
3684	struct drm_encoder *encoder;
3685	struct amdgpu_encoder *amdgpu_encoder;
3686
3687	/* see if we already added it */
3688	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3689		amdgpu_encoder = to_amdgpu_encoder(encoder);
3690		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3691			amdgpu_encoder->devices |= supported_device;
3692			return;
3693		}
3694
3695	}
3696
3697	/* add a new one */
3698	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3699	if (!amdgpu_encoder)
3700		return;
3701
3702	encoder = &amdgpu_encoder->base;
3703	switch (adev->mode_info.num_crtc) {
3704	case 1:
3705		encoder->possible_crtcs = 0x1;
3706		break;
3707	case 2:
3708	default:
3709		encoder->possible_crtcs = 0x3;
3710		break;
3711	case 4:
3712		encoder->possible_crtcs = 0xf;
3713		break;
3714	case 6:
3715		encoder->possible_crtcs = 0x3f;
3716		break;
3717	}
3718
3719	amdgpu_encoder->enc_priv = NULL;
3720
3721	amdgpu_encoder->encoder_enum = encoder_enum;
3722	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3723	amdgpu_encoder->devices = supported_device;
3724	amdgpu_encoder->rmx_type = RMX_OFF;
3725	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3726	amdgpu_encoder->is_ext_encoder = false;
3727	amdgpu_encoder->caps = caps;
3728
3729	switch (amdgpu_encoder->encoder_id) {
3730	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3731	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3732		drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3733				 DRM_MODE_ENCODER_DAC, NULL);
3734		drm_encoder_helper_add(encoder, &dce_v10_0_dac_helper_funcs);
3735		break;
3736	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3737	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3738	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3739	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3740	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3741		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3742			amdgpu_encoder->rmx_type = RMX_FULL;
3743			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3744					 DRM_MODE_ENCODER_LVDS, NULL);
3745			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3746		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3747			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3748					 DRM_MODE_ENCODER_DAC, NULL);
3749			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3750		} else {
3751			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3752					 DRM_MODE_ENCODER_TMDS, NULL);
3753			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3754		}
3755		drm_encoder_helper_add(encoder, &dce_v10_0_dig_helper_funcs);
3756		break;
3757	case ENCODER_OBJECT_ID_SI170B:
3758	case ENCODER_OBJECT_ID_CH7303:
3759	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3760	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3761	case ENCODER_OBJECT_ID_TITFP513:
3762	case ENCODER_OBJECT_ID_VT1623:
3763	case ENCODER_OBJECT_ID_HDMI_SI1930:
3764	case ENCODER_OBJECT_ID_TRAVIS:
3765	case ENCODER_OBJECT_ID_NUTMEG:
3766		/* these are handled by the primary encoders */
3767		amdgpu_encoder->is_ext_encoder = true;
3768		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3769			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3770					 DRM_MODE_ENCODER_LVDS, NULL);
3771		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3772			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3773					 DRM_MODE_ENCODER_DAC, NULL);
3774		else
3775			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3776					 DRM_MODE_ENCODER_TMDS, NULL);
3777		drm_encoder_helper_add(encoder, &dce_v10_0_ext_helper_funcs);
3778		break;
3779	}
3780}
3781
3782static const struct amdgpu_display_funcs dce_v10_0_display_funcs = {
3783	.set_vga_render_state = &dce_v10_0_set_vga_render_state,
3784	.bandwidth_update = &dce_v10_0_bandwidth_update,
3785	.vblank_get_counter = &dce_v10_0_vblank_get_counter,
3786	.vblank_wait = &dce_v10_0_vblank_wait,
3787	.is_display_hung = &dce_v10_0_is_display_hung,
3788	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3789	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3790	.hpd_sense = &dce_v10_0_hpd_sense,
3791	.hpd_set_polarity = &dce_v10_0_hpd_set_polarity,
3792	.hpd_get_gpio_reg = &dce_v10_0_hpd_get_gpio_reg,
3793	.page_flip = &dce_v10_0_page_flip,
3794	.page_flip_get_scanoutpos = &dce_v10_0_crtc_get_scanoutpos,
3795	.add_encoder = &dce_v10_0_encoder_add,
3796	.add_connector = &amdgpu_connector_add,
3797	.stop_mc_access = &dce_v10_0_stop_mc_access,
3798	.resume_mc_access = &dce_v10_0_resume_mc_access,
3799};
3800
3801static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev)
3802{
3803	if (adev->mode_info.funcs == NULL)
3804		adev->mode_info.funcs = &dce_v10_0_display_funcs;
3805}
3806
3807static const struct amdgpu_irq_src_funcs dce_v10_0_crtc_irq_funcs = {
3808	.set = dce_v10_0_set_crtc_irq_state,
3809	.process = dce_v10_0_crtc_irq,
3810};
3811
3812static const struct amdgpu_irq_src_funcs dce_v10_0_pageflip_irq_funcs = {
3813	.set = dce_v10_0_set_pageflip_irq_state,
3814	.process = dce_v10_0_pageflip_irq,
3815};
3816
3817static const struct amdgpu_irq_src_funcs dce_v10_0_hpd_irq_funcs = {
3818	.set = dce_v10_0_set_hpd_irq_state,
3819	.process = dce_v10_0_hpd_irq,
3820};
3821
3822static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev)
3823{
3824	adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_LAST;
 
 
 
3825	adev->crtc_irq.funcs = &dce_v10_0_crtc_irq_funcs;
3826
3827	adev->pageflip_irq.num_types = AMDGPU_PAGEFLIP_IRQ_LAST;
3828	adev->pageflip_irq.funcs = &dce_v10_0_pageflip_irq_funcs;
3829
3830	adev->hpd_irq.num_types = AMDGPU_HPD_LAST;
3831	adev->hpd_irq.funcs = &dce_v10_0_hpd_irq_funcs;
3832}