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v5.14.15
   1/*
   2 * Copyright 2014 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 */
  23
  24#include <drm/drm_fourcc.h>
  25#include <drm/drm_vblank.h>
  26
  27#include "amdgpu.h"
  28#include "amdgpu_pm.h"
  29#include "amdgpu_i2c.h"
  30#include "vid.h"
  31#include "atom.h"
  32#include "amdgpu_atombios.h"
  33#include "atombios_crtc.h"
  34#include "atombios_encoders.h"
  35#include "amdgpu_pll.h"
  36#include "amdgpu_connectors.h"
  37#include "amdgpu_display.h"
  38#include "dce_v11_0.h"
  39
  40#include "dce/dce_11_0_d.h"
  41#include "dce/dce_11_0_sh_mask.h"
  42#include "dce/dce_11_0_enum.h"
  43#include "oss/oss_3_0_d.h"
  44#include "oss/oss_3_0_sh_mask.h"
  45#include "gmc/gmc_8_1_d.h"
  46#include "gmc/gmc_8_1_sh_mask.h"
  47
  48#include "ivsrcid/ivsrcid_vislands30.h"
  49
  50static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
  51static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
  52
  53static const u32 crtc_offsets[] =
  54{
  55	CRTC0_REGISTER_OFFSET,
  56	CRTC1_REGISTER_OFFSET,
  57	CRTC2_REGISTER_OFFSET,
  58	CRTC3_REGISTER_OFFSET,
  59	CRTC4_REGISTER_OFFSET,
  60	CRTC5_REGISTER_OFFSET,
  61	CRTC6_REGISTER_OFFSET
  62};
  63
  64static const u32 hpd_offsets[] =
  65{
  66	HPD0_REGISTER_OFFSET,
  67	HPD1_REGISTER_OFFSET,
  68	HPD2_REGISTER_OFFSET,
  69	HPD3_REGISTER_OFFSET,
  70	HPD4_REGISTER_OFFSET,
  71	HPD5_REGISTER_OFFSET
  72};
  73
  74static const uint32_t dig_offsets[] = {
  75	DIG0_REGISTER_OFFSET,
  76	DIG1_REGISTER_OFFSET,
  77	DIG2_REGISTER_OFFSET,
  78	DIG3_REGISTER_OFFSET,
  79	DIG4_REGISTER_OFFSET,
  80	DIG5_REGISTER_OFFSET,
  81	DIG6_REGISTER_OFFSET,
  82	DIG7_REGISTER_OFFSET,
  83	DIG8_REGISTER_OFFSET
  84};
  85
  86static const struct {
  87	uint32_t        reg;
  88	uint32_t        vblank;
  89	uint32_t        vline;
  90	uint32_t        hpd;
  91
  92} interrupt_status_offsets[] = { {
  93	.reg = mmDISP_INTERRUPT_STATUS,
  94	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
  95	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
  96	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
  97}, {
  98	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
  99	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
 100	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
 101	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
 102}, {
 103	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
 104	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
 105	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
 106	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
 107}, {
 108	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
 109	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
 110	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
 111	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
 112}, {
 113	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
 114	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
 115	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
 116	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
 117}, {
 118	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
 119	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
 120	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
 121	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
 122} };
 123
 124static const u32 cz_golden_settings_a11[] =
 125{
 126	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
 127	mmFBC_MISC, 0x1f311fff, 0x14300000,
 128};
 129
 130static const u32 cz_mgcg_cgcg_init[] =
 131{
 132	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 133	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 134};
 135
 136static const u32 stoney_golden_settings_a11[] =
 137{
 138	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
 139	mmFBC_MISC, 0x1f311fff, 0x14302000,
 140};
 141
 142static const u32 polaris11_golden_settings_a11[] =
 143{
 144	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 145	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 146	mmFBC_DEBUG1, 0xffffffff, 0x00000008,
 147	mmFBC_MISC, 0x9f313fff, 0x14302008,
 148	mmHDMI_CONTROL, 0x313f031f, 0x00000011,
 149};
 150
 151static const u32 polaris10_golden_settings_a11[] =
 152{
 153	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 154	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 155	mmFBC_MISC, 0x9f313fff, 0x14302008,
 156	mmHDMI_CONTROL, 0x313f031f, 0x00000011,
 157};
 158
 159static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
 160{
 161	switch (adev->asic_type) {
 162	case CHIP_CARRIZO:
 163		amdgpu_device_program_register_sequence(adev,
 164							cz_mgcg_cgcg_init,
 165							ARRAY_SIZE(cz_mgcg_cgcg_init));
 166		amdgpu_device_program_register_sequence(adev,
 167							cz_golden_settings_a11,
 168							ARRAY_SIZE(cz_golden_settings_a11));
 169		break;
 170	case CHIP_STONEY:
 171		amdgpu_device_program_register_sequence(adev,
 172							stoney_golden_settings_a11,
 173							ARRAY_SIZE(stoney_golden_settings_a11));
 174		break;
 175	case CHIP_POLARIS11:
 176	case CHIP_POLARIS12:
 177		amdgpu_device_program_register_sequence(adev,
 178							polaris11_golden_settings_a11,
 179							ARRAY_SIZE(polaris11_golden_settings_a11));
 180		break;
 181	case CHIP_POLARIS10:
 182	case CHIP_VEGAM:
 183		amdgpu_device_program_register_sequence(adev,
 184							polaris10_golden_settings_a11,
 185							ARRAY_SIZE(polaris10_golden_settings_a11));
 186		break;
 187	default:
 188		break;
 189	}
 190}
 191
 192static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
 193				     u32 block_offset, u32 reg)
 194{
 195	unsigned long flags;
 196	u32 r;
 197
 198	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 199	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 200	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 201	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 202
 203	return r;
 204}
 205
 206static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
 207				      u32 block_offset, u32 reg, u32 v)
 208{
 209	unsigned long flags;
 210
 211	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 212	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 213	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 214	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 215}
 216
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 217static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 218{
 219	if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
 220		return 0;
 221	else
 222		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 223}
 224
 225static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 226{
 227	unsigned i;
 228
 229	/* Enable pflip interrupts */
 230	for (i = 0; i < adev->mode_info.num_crtc; i++)
 231		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 232}
 233
 234static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 235{
 236	unsigned i;
 237
 238	/* Disable pflip interrupts */
 239	for (i = 0; i < adev->mode_info.num_crtc; i++)
 240		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 241}
 242
 243/**
 244 * dce_v11_0_page_flip - pageflip callback.
 245 *
 246 * @adev: amdgpu_device pointer
 247 * @crtc_id: crtc to cleanup pageflip on
 248 * @crtc_base: new address of the crtc (GPU MC address)
 249 * @async: asynchronous flip
 250 *
 251 * Triggers the actual pageflip by updating the primary
 252 * surface base address.
 253 */
 254static void dce_v11_0_page_flip(struct amdgpu_device *adev,
 255				int crtc_id, u64 crtc_base, bool async)
 256{
 257	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 258	struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
 259	u32 tmp;
 260
 261	/* flip immediate for async, default is vsync */
 262	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
 263	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
 264			    GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0);
 265	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 266	/* update pitch */
 267	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
 268	       fb->pitches[0] / fb->format->cpp[0]);
 269	/* update the scanout addresses */
 270	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 271	       upper_32_bits(crtc_base));
 272	/* writing to the low address triggers the update */
 273	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 274	       lower_32_bits(crtc_base));
 275	/* post the write */
 276	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 277}
 278
 279static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 280					u32 *vbl, u32 *position)
 281{
 282	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 283		return -EINVAL;
 284
 285	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 286	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 287
 288	return 0;
 289}
 290
 291/**
 292 * dce_v11_0_hpd_sense - hpd sense callback.
 293 *
 294 * @adev: amdgpu_device pointer
 295 * @hpd: hpd (hotplug detect) pin
 296 *
 297 * Checks if a digital monitor is connected (evergreen+).
 298 * Returns true if connected, false if not connected.
 299 */
 300static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
 301			       enum amdgpu_hpd_id hpd)
 302{
 
 303	bool connected = false;
 304
 305	if (hpd >= adev->mode_info.num_hpd)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 306		return connected;
 
 307
 308	if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
 309	    DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
 310		connected = true;
 311
 312	return connected;
 313}
 314
 315/**
 316 * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
 317 *
 318 * @adev: amdgpu_device pointer
 319 * @hpd: hpd (hotplug detect) pin
 320 *
 321 * Set the polarity of the hpd pin (evergreen+).
 322 */
 323static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
 324				      enum amdgpu_hpd_id hpd)
 325{
 326	u32 tmp;
 327	bool connected = dce_v11_0_hpd_sense(adev, hpd);
 
 328
 329	if (hpd >= adev->mode_info.num_hpd)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 330		return;
 
 331
 332	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
 333	if (connected)
 334		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
 335	else
 336		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
 337	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
 338}
 339
 340/**
 341 * dce_v11_0_hpd_init - hpd setup callback.
 342 *
 343 * @adev: amdgpu_device pointer
 344 *
 345 * Setup the hpd pins used by the card (evergreen+).
 346 * Enable the pin, set the polarity, and enable the hpd interrupts.
 347 */
 348static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
 349{
 350	struct drm_device *dev = adev_to_drm(adev);
 351	struct drm_connector *connector;
 352	struct drm_connector_list_iter iter;
 353	u32 tmp;
 
 354
 355	drm_connector_list_iter_begin(dev, &iter);
 356	drm_for_each_connector_iter(connector, &iter) {
 357		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 358
 359		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 360			continue;
 361
 362		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 363		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 364			/* don't try to enable hpd on eDP or LVDS avoid breaking the
 365			 * aux dp channel on imac and help (but not completely fix)
 366			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 367			 * also avoid interrupt storms during dpms.
 368			 */
 369			tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 370			tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
 371			WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 372			continue;
 373		}
 374
 375		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 376		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
 377		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 378
 379		tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 380		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 381				    DC_HPD_CONNECT_INT_DELAY,
 382				    AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
 383		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 384				    DC_HPD_DISCONNECT_INT_DELAY,
 385				    AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
 386		WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 387
 388		dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 389		amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 390	}
 391	drm_connector_list_iter_end(&iter);
 392}
 393
 394/**
 395 * dce_v11_0_hpd_fini - hpd tear down callback.
 396 *
 397 * @adev: amdgpu_device pointer
 398 *
 399 * Tear down the hpd pins used by the card (evergreen+).
 400 * Disable the hpd interrupts.
 401 */
 402static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
 403{
 404	struct drm_device *dev = adev_to_drm(adev);
 405	struct drm_connector *connector;
 406	struct drm_connector_list_iter iter;
 407	u32 tmp;
 
 408
 409	drm_connector_list_iter_begin(dev, &iter);
 410	drm_for_each_connector_iter(connector, &iter) {
 411		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 412
 413		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 414			continue;
 
 415
 416		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 417		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
 418		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 419
 420		amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 421	}
 422	drm_connector_list_iter_end(&iter);
 423}
 424
 425static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 426{
 427	return mmDC_GPIO_HPD_A;
 428}
 429
 430static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
 431{
 432	u32 crtc_hung = 0;
 433	u32 crtc_status[6];
 434	u32 i, j, tmp;
 435
 436	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 437		tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 438		if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
 439			crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 440			crtc_hung |= (1 << i);
 441		}
 442	}
 443
 444	for (j = 0; j < 10; j++) {
 445		for (i = 0; i < adev->mode_info.num_crtc; i++) {
 446			if (crtc_hung & (1 << i)) {
 447				tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 448				if (tmp != crtc_status[i])
 449					crtc_hung &= ~(1 << i);
 450			}
 451		}
 452		if (crtc_hung == 0)
 453			return false;
 454		udelay(100);
 455	}
 456
 457	return true;
 458}
 459
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 460static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
 461					   bool render)
 462{
 463	u32 tmp;
 464
 465	/* Lockout access through VGA aperture*/
 466	tmp = RREG32(mmVGA_HDP_CONTROL);
 467	if (render)
 468		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
 469	else
 470		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
 471	WREG32(mmVGA_HDP_CONTROL, tmp);
 472
 473	/* disable VGA render */
 474	tmp = RREG32(mmVGA_RENDER_CONTROL);
 475	if (render)
 476		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
 477	else
 478		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 479	WREG32(mmVGA_RENDER_CONTROL, tmp);
 480}
 481
 482static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev)
 483{
 484	int num_crtc = 0;
 485
 486	switch (adev->asic_type) {
 487	case CHIP_CARRIZO:
 488		num_crtc = 3;
 489		break;
 490	case CHIP_STONEY:
 491		num_crtc = 2;
 492		break;
 493	case CHIP_POLARIS10:
 494	case CHIP_VEGAM:
 495		num_crtc = 6;
 496		break;
 497	case CHIP_POLARIS11:
 498	case CHIP_POLARIS12:
 499		num_crtc = 5;
 500		break;
 501	default:
 502		num_crtc = 0;
 503	}
 504	return num_crtc;
 505}
 506
 507void dce_v11_0_disable_dce(struct amdgpu_device *adev)
 508{
 509	/*Disable VGA render and enabled crtc, if has DCE engine*/
 510	if (amdgpu_atombios_has_dce_engine_info(adev)) {
 511		u32 tmp;
 512		int crtc_enabled, i;
 513
 514		dce_v11_0_set_vga_render_state(adev, false);
 515
 516		/*Disable crtc*/
 517		for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) {
 518			crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
 519									 CRTC_CONTROL, CRTC_MASTER_EN);
 520			if (crtc_enabled) {
 521				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 522				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 523				tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
 524				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 525				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 526			}
 527		}
 528	}
 529}
 530
 531static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
 532{
 533	struct drm_device *dev = encoder->dev;
 534	struct amdgpu_device *adev = drm_to_adev(dev);
 535	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 536	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 537	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 538	int bpc = 0;
 539	u32 tmp = 0;
 540	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 541
 542	if (connector) {
 543		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 544		bpc = amdgpu_connector_get_monitor_bpc(connector);
 545		dither = amdgpu_connector->dither;
 546	}
 547
 548	/* LVDS/eDP FMT is set up by atom */
 549	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 550		return;
 551
 552	/* not needed for analog */
 553	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 554	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 555		return;
 556
 557	if (bpc == 0)
 558		return;
 559
 560	switch (bpc) {
 561	case 6:
 562		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 563			/* XXX sort out optimal dither settings */
 564			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 565			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 566			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 567			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
 568		} else {
 569			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 570			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
 571		}
 572		break;
 573	case 8:
 574		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 575			/* XXX sort out optimal dither settings */
 576			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 577			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 578			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 579			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 580			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
 581		} else {
 582			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 583			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
 584		}
 585		break;
 586	case 10:
 587		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 588			/* XXX sort out optimal dither settings */
 589			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 590			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 591			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 592			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 593			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
 594		} else {
 595			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 596			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
 597		}
 598		break;
 599	default:
 600		/* not needed */
 601		break;
 602	}
 603
 604	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 605}
 606
 607
 608/* display watermark setup */
 609/**
 610 * dce_v11_0_line_buffer_adjust - Set up the line buffer
 611 *
 612 * @adev: amdgpu_device pointer
 613 * @amdgpu_crtc: the selected display controller
 614 * @mode: the current display mode on the selected display
 615 * controller
 616 *
 617 * Setup up the line buffer allocation for
 618 * the selected display controller (CIK).
 619 * Returns the line buffer size in pixels.
 620 */
 621static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
 622				       struct amdgpu_crtc *amdgpu_crtc,
 623				       struct drm_display_mode *mode)
 624{
 625	u32 tmp, buffer_alloc, i, mem_cfg;
 626	u32 pipe_offset = amdgpu_crtc->crtc_id;
 627	/*
 628	 * Line Buffer Setup
 629	 * There are 6 line buffers, one for each display controllers.
 630	 * There are 3 partitions per LB. Select the number of partitions
 631	 * to enable based on the display width.  For display widths larger
 632	 * than 4096, you need use to use 2 display controllers and combine
 633	 * them using the stereo blender.
 634	 */
 635	if (amdgpu_crtc->base.enabled && mode) {
 636		if (mode->crtc_hdisplay < 1920) {
 637			mem_cfg = 1;
 638			buffer_alloc = 2;
 639		} else if (mode->crtc_hdisplay < 2560) {
 640			mem_cfg = 2;
 641			buffer_alloc = 2;
 642		} else if (mode->crtc_hdisplay < 4096) {
 643			mem_cfg = 0;
 644			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 645		} else {
 646			DRM_DEBUG_KMS("Mode too big for LB!\n");
 647			mem_cfg = 0;
 648			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 649		}
 650	} else {
 651		mem_cfg = 1;
 652		buffer_alloc = 0;
 653	}
 654
 655	tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
 656	tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
 657	WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
 658
 659	tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 660	tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
 661	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
 662
 663	for (i = 0; i < adev->usec_timeout; i++) {
 664		tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 665		if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
 666			break;
 667		udelay(1);
 668	}
 669
 670	if (amdgpu_crtc->base.enabled && mode) {
 671		switch (mem_cfg) {
 672		case 0:
 673		default:
 674			return 4096 * 2;
 675		case 1:
 676			return 1920 * 2;
 677		case 2:
 678			return 2560 * 2;
 679		}
 680	}
 681
 682	/* controller not enabled, so no lb used */
 683	return 0;
 684}
 685
 686/**
 687 * cik_get_number_of_dram_channels - get the number of dram channels
 688 *
 689 * @adev: amdgpu_device pointer
 690 *
 691 * Look up the number of video ram channels (CIK).
 692 * Used for display watermark bandwidth calculations
 693 * Returns the number of dram channels
 694 */
 695static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
 696{
 697	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 698
 699	switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
 700	case 0:
 701	default:
 702		return 1;
 703	case 1:
 704		return 2;
 705	case 2:
 706		return 4;
 707	case 3:
 708		return 8;
 709	case 4:
 710		return 3;
 711	case 5:
 712		return 6;
 713	case 6:
 714		return 10;
 715	case 7:
 716		return 12;
 717	case 8:
 718		return 16;
 719	}
 720}
 721
 722struct dce10_wm_params {
 723	u32 dram_channels; /* number of dram channels */
 724	u32 yclk;          /* bandwidth per dram data pin in kHz */
 725	u32 sclk;          /* engine clock in kHz */
 726	u32 disp_clk;      /* display clock in kHz */
 727	u32 src_width;     /* viewport width */
 728	u32 active_time;   /* active display time in ns */
 729	u32 blank_time;    /* blank time in ns */
 730	bool interlaced;    /* mode is interlaced */
 731	fixed20_12 vsc;    /* vertical scale ratio */
 732	u32 num_heads;     /* number of active crtcs */
 733	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 734	u32 lb_size;       /* line buffer allocated to pipe */
 735	u32 vtaps;         /* vertical scaler taps */
 736};
 737
 738/**
 739 * dce_v11_0_dram_bandwidth - get the dram bandwidth
 740 *
 741 * @wm: watermark calculation data
 742 *
 743 * Calculate the raw dram bandwidth (CIK).
 744 * Used for display watermark bandwidth calculations
 745 * Returns the dram bandwidth in MBytes/s
 746 */
 747static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
 748{
 749	/* Calculate raw DRAM Bandwidth */
 750	fixed20_12 dram_efficiency; /* 0.7 */
 751	fixed20_12 yclk, dram_channels, bandwidth;
 752	fixed20_12 a;
 753
 754	a.full = dfixed_const(1000);
 755	yclk.full = dfixed_const(wm->yclk);
 756	yclk.full = dfixed_div(yclk, a);
 757	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 758	a.full = dfixed_const(10);
 759	dram_efficiency.full = dfixed_const(7);
 760	dram_efficiency.full = dfixed_div(dram_efficiency, a);
 761	bandwidth.full = dfixed_mul(dram_channels, yclk);
 762	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 763
 764	return dfixed_trunc(bandwidth);
 765}
 766
 767/**
 768 * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
 769 *
 770 * @wm: watermark calculation data
 771 *
 772 * Calculate the dram bandwidth used for display (CIK).
 773 * Used for display watermark bandwidth calculations
 774 * Returns the dram bandwidth for display in MBytes/s
 775 */
 776static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 777{
 778	/* Calculate DRAM Bandwidth and the part allocated to display. */
 779	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 780	fixed20_12 yclk, dram_channels, bandwidth;
 781	fixed20_12 a;
 782
 783	a.full = dfixed_const(1000);
 784	yclk.full = dfixed_const(wm->yclk);
 785	yclk.full = dfixed_div(yclk, a);
 786	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 787	a.full = dfixed_const(10);
 788	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 789	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 790	bandwidth.full = dfixed_mul(dram_channels, yclk);
 791	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 792
 793	return dfixed_trunc(bandwidth);
 794}
 795
 796/**
 797 * dce_v11_0_data_return_bandwidth - get the data return bandwidth
 798 *
 799 * @wm: watermark calculation data
 800 *
 801 * Calculate the data return bandwidth used for display (CIK).
 802 * Used for display watermark bandwidth calculations
 803 * Returns the data return bandwidth in MBytes/s
 804 */
 805static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
 806{
 807	/* Calculate the display Data return Bandwidth */
 808	fixed20_12 return_efficiency; /* 0.8 */
 809	fixed20_12 sclk, bandwidth;
 810	fixed20_12 a;
 811
 812	a.full = dfixed_const(1000);
 813	sclk.full = dfixed_const(wm->sclk);
 814	sclk.full = dfixed_div(sclk, a);
 815	a.full = dfixed_const(10);
 816	return_efficiency.full = dfixed_const(8);
 817	return_efficiency.full = dfixed_div(return_efficiency, a);
 818	a.full = dfixed_const(32);
 819	bandwidth.full = dfixed_mul(a, sclk);
 820	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 821
 822	return dfixed_trunc(bandwidth);
 823}
 824
 825/**
 826 * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
 827 *
 828 * @wm: watermark calculation data
 829 *
 830 * Calculate the dmif bandwidth used for display (CIK).
 831 * Used for display watermark bandwidth calculations
 832 * Returns the dmif bandwidth in MBytes/s
 833 */
 834static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
 835{
 836	/* Calculate the DMIF Request Bandwidth */
 837	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
 838	fixed20_12 disp_clk, bandwidth;
 839	fixed20_12 a, b;
 840
 841	a.full = dfixed_const(1000);
 842	disp_clk.full = dfixed_const(wm->disp_clk);
 843	disp_clk.full = dfixed_div(disp_clk, a);
 844	a.full = dfixed_const(32);
 845	b.full = dfixed_mul(a, disp_clk);
 846
 847	a.full = dfixed_const(10);
 848	disp_clk_request_efficiency.full = dfixed_const(8);
 849	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
 850
 851	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
 852
 853	return dfixed_trunc(bandwidth);
 854}
 855
 856/**
 857 * dce_v11_0_available_bandwidth - get the min available bandwidth
 858 *
 859 * @wm: watermark calculation data
 860 *
 861 * Calculate the min available bandwidth used for display (CIK).
 862 * Used for display watermark bandwidth calculations
 863 * Returns the min available bandwidth in MBytes/s
 864 */
 865static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
 866{
 867	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
 868	u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
 869	u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
 870	u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
 871
 872	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
 873}
 874
 875/**
 876 * dce_v11_0_average_bandwidth - get the average available bandwidth
 877 *
 878 * @wm: watermark calculation data
 879 *
 880 * Calculate the average available bandwidth used for display (CIK).
 881 * Used for display watermark bandwidth calculations
 882 * Returns the average available bandwidth in MBytes/s
 883 */
 884static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
 885{
 886	/* Calculate the display mode Average Bandwidth
 887	 * DisplayMode should contain the source and destination dimensions,
 888	 * timing, etc.
 889	 */
 890	fixed20_12 bpp;
 891	fixed20_12 line_time;
 892	fixed20_12 src_width;
 893	fixed20_12 bandwidth;
 894	fixed20_12 a;
 895
 896	a.full = dfixed_const(1000);
 897	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
 898	line_time.full = dfixed_div(line_time, a);
 899	bpp.full = dfixed_const(wm->bytes_per_pixel);
 900	src_width.full = dfixed_const(wm->src_width);
 901	bandwidth.full = dfixed_mul(src_width, bpp);
 902	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
 903	bandwidth.full = dfixed_div(bandwidth, line_time);
 904
 905	return dfixed_trunc(bandwidth);
 906}
 907
 908/**
 909 * dce_v11_0_latency_watermark - get the latency watermark
 910 *
 911 * @wm: watermark calculation data
 912 *
 913 * Calculate the latency watermark (CIK).
 914 * Used for display watermark bandwidth calculations
 915 * Returns the latency watermark in ns
 916 */
 917static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
 918{
 919	/* First calculate the latency in ns */
 920	u32 mc_latency = 2000; /* 2000 ns. */
 921	u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
 922	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
 923	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
 924	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
 925	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
 926		(wm->num_heads * cursor_line_pair_return_time);
 927	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
 928	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
 929	u32 tmp, dmif_size = 12288;
 930	fixed20_12 a, b, c;
 931
 932	if (wm->num_heads == 0)
 933		return 0;
 934
 935	a.full = dfixed_const(2);
 936	b.full = dfixed_const(1);
 937	if ((wm->vsc.full > a.full) ||
 938	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
 939	    (wm->vtaps >= 5) ||
 940	    ((wm->vsc.full >= a.full) && wm->interlaced))
 941		max_src_lines_per_dst_line = 4;
 942	else
 943		max_src_lines_per_dst_line = 2;
 944
 945	a.full = dfixed_const(available_bandwidth);
 946	b.full = dfixed_const(wm->num_heads);
 947	a.full = dfixed_div(a, b);
 948	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
 949	tmp = min(dfixed_trunc(a), tmp);
 950
 951	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 952
 953	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 954	b.full = dfixed_const(1000);
 955	c.full = dfixed_const(lb_fill_bw);
 956	b.full = dfixed_div(c, b);
 957	a.full = dfixed_div(a, b);
 958	line_fill_time = dfixed_trunc(a);
 959
 960	if (line_fill_time < wm->active_time)
 961		return latency;
 962	else
 963		return latency + (line_fill_time - wm->active_time);
 964
 965}
 966
 967/**
 968 * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
 969 * average and available dram bandwidth
 970 *
 971 * @wm: watermark calculation data
 972 *
 973 * Check if the display average bandwidth fits in the display
 974 * dram bandwidth (CIK).
 975 * Used for display watermark bandwidth calculations
 976 * Returns true if the display fits, false if not.
 977 */
 978static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 979{
 980	if (dce_v11_0_average_bandwidth(wm) <=
 981	    (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
 982		return true;
 983	else
 984		return false;
 985}
 986
 987/**
 988 * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
 989 * average and available bandwidth
 990 *
 991 * @wm: watermark calculation data
 992 *
 993 * Check if the display average bandwidth fits in the display
 994 * available bandwidth (CIK).
 995 * Used for display watermark bandwidth calculations
 996 * Returns true if the display fits, false if not.
 997 */
 998static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
 999{
1000	if (dce_v11_0_average_bandwidth(wm) <=
1001	    (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1002		return true;
1003	else
1004		return false;
1005}
1006
1007/**
1008 * dce_v11_0_check_latency_hiding - check latency hiding
1009 *
1010 * @wm: watermark calculation data
1011 *
1012 * Check latency hiding (CIK).
1013 * Used for display watermark bandwidth calculations
1014 * Returns true if the display fits, false if not.
1015 */
1016static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1017{
1018	u32 lb_partitions = wm->lb_size / wm->src_width;
1019	u32 line_time = wm->active_time + wm->blank_time;
1020	u32 latency_tolerant_lines;
1021	u32 latency_hiding;
1022	fixed20_12 a;
1023
1024	a.full = dfixed_const(1);
1025	if (wm->vsc.full > a.full)
1026		latency_tolerant_lines = 1;
1027	else {
1028		if (lb_partitions <= (wm->vtaps + 1))
1029			latency_tolerant_lines = 1;
1030		else
1031			latency_tolerant_lines = 2;
1032	}
1033
1034	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1035
1036	if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1037		return true;
1038	else
1039		return false;
1040}
1041
1042/**
1043 * dce_v11_0_program_watermarks - program display watermarks
1044 *
1045 * @adev: amdgpu_device pointer
1046 * @amdgpu_crtc: the selected display controller
1047 * @lb_size: line buffer size
1048 * @num_heads: number of display controllers in use
1049 *
1050 * Calculate and program the display watermarks for the
1051 * selected display controller (CIK).
1052 */
1053static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1054					struct amdgpu_crtc *amdgpu_crtc,
1055					u32 lb_size, u32 num_heads)
1056{
1057	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1058	struct dce10_wm_params wm_low, wm_high;
1059	u32 active_time;
1060	u32 line_time = 0;
1061	u32 latency_watermark_a = 0, latency_watermark_b = 0;
1062	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1063
1064	if (amdgpu_crtc->base.enabled && num_heads && mode) {
1065		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1066					    (u32)mode->clock);
1067		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1068					  (u32)mode->clock);
1069		line_time = min(line_time, (u32)65535);
1070
1071		/* watermark for high clocks */
1072		if (adev->pm.dpm_enabled) {
1073			wm_high.yclk =
1074				amdgpu_dpm_get_mclk(adev, false) * 10;
1075			wm_high.sclk =
1076				amdgpu_dpm_get_sclk(adev, false) * 10;
1077		} else {
1078			wm_high.yclk = adev->pm.current_mclk * 10;
1079			wm_high.sclk = adev->pm.current_sclk * 10;
1080		}
1081
1082		wm_high.disp_clk = mode->clock;
1083		wm_high.src_width = mode->crtc_hdisplay;
1084		wm_high.active_time = active_time;
1085		wm_high.blank_time = line_time - wm_high.active_time;
1086		wm_high.interlaced = false;
1087		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1088			wm_high.interlaced = true;
1089		wm_high.vsc = amdgpu_crtc->vsc;
1090		wm_high.vtaps = 1;
1091		if (amdgpu_crtc->rmx_type != RMX_OFF)
1092			wm_high.vtaps = 2;
1093		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1094		wm_high.lb_size = lb_size;
1095		wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1096		wm_high.num_heads = num_heads;
1097
1098		/* set for high clocks */
1099		latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535);
1100
1101		/* possibly force display priority to high */
1102		/* should really do this at mode validation time... */
1103		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1104		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1105		    !dce_v11_0_check_latency_hiding(&wm_high) ||
1106		    (adev->mode_info.disp_priority == 2)) {
1107			DRM_DEBUG_KMS("force priority to high\n");
1108		}
1109
1110		/* watermark for low clocks */
1111		if (adev->pm.dpm_enabled) {
1112			wm_low.yclk =
1113				amdgpu_dpm_get_mclk(adev, true) * 10;
1114			wm_low.sclk =
1115				amdgpu_dpm_get_sclk(adev, true) * 10;
1116		} else {
1117			wm_low.yclk = adev->pm.current_mclk * 10;
1118			wm_low.sclk = adev->pm.current_sclk * 10;
1119		}
1120
1121		wm_low.disp_clk = mode->clock;
1122		wm_low.src_width = mode->crtc_hdisplay;
1123		wm_low.active_time = active_time;
1124		wm_low.blank_time = line_time - wm_low.active_time;
1125		wm_low.interlaced = false;
1126		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1127			wm_low.interlaced = true;
1128		wm_low.vsc = amdgpu_crtc->vsc;
1129		wm_low.vtaps = 1;
1130		if (amdgpu_crtc->rmx_type != RMX_OFF)
1131			wm_low.vtaps = 2;
1132		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1133		wm_low.lb_size = lb_size;
1134		wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1135		wm_low.num_heads = num_heads;
1136
1137		/* set for low clocks */
1138		latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535);
1139
1140		/* possibly force display priority to high */
1141		/* should really do this at mode validation time... */
1142		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1143		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1144		    !dce_v11_0_check_latency_hiding(&wm_low) ||
1145		    (adev->mode_info.disp_priority == 2)) {
1146			DRM_DEBUG_KMS("force priority to high\n");
1147		}
1148		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1149	}
1150
1151	/* select wm A */
1152	wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1153	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1154	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1155	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1156	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1157	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1158	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1159	/* select wm B */
1160	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1161	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1162	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1163	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1164	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1165	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1166	/* restore original selection */
1167	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1168
1169	/* save values for DPM */
1170	amdgpu_crtc->line_time = line_time;
1171	amdgpu_crtc->wm_high = latency_watermark_a;
1172	amdgpu_crtc->wm_low = latency_watermark_b;
1173	/* Save number of lines the linebuffer leads before the scanout */
1174	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1175}
1176
1177/**
1178 * dce_v11_0_bandwidth_update - program display watermarks
1179 *
1180 * @adev: amdgpu_device pointer
1181 *
1182 * Calculate and program the display watermarks and line
1183 * buffer allocation (CIK).
1184 */
1185static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1186{
1187	struct drm_display_mode *mode = NULL;
1188	u32 num_heads = 0, lb_size;
1189	int i;
1190
1191	amdgpu_display_update_priority(adev);
1192
1193	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1194		if (adev->mode_info.crtcs[i]->base.enabled)
1195			num_heads++;
1196	}
1197	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1198		mode = &adev->mode_info.crtcs[i]->base.mode;
1199		lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1200		dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1201					    lb_size, num_heads);
1202	}
1203}
1204
1205static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1206{
1207	int i;
1208	u32 offset, tmp;
1209
1210	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1211		offset = adev->mode_info.audio.pin[i].offset;
1212		tmp = RREG32_AUDIO_ENDPT(offset,
1213					 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1214		if (((tmp &
1215		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1216		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1217			adev->mode_info.audio.pin[i].connected = false;
1218		else
1219			adev->mode_info.audio.pin[i].connected = true;
1220	}
1221}
1222
1223static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1224{
1225	int i;
1226
1227	dce_v11_0_audio_get_connected_pins(adev);
1228
1229	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1230		if (adev->mode_info.audio.pin[i].connected)
1231			return &adev->mode_info.audio.pin[i];
1232	}
1233	DRM_ERROR("No connected audio pins found!\n");
1234	return NULL;
1235}
1236
1237static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1238{
1239	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1240	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1241	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1242	u32 tmp;
1243
1244	if (!dig || !dig->afmt || !dig->afmt->pin)
1245		return;
1246
1247	tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1248	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1249	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1250}
1251
1252static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1253						struct drm_display_mode *mode)
1254{
1255	struct drm_device *dev = encoder->dev;
1256	struct amdgpu_device *adev = drm_to_adev(dev);
1257	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1258	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1259	struct drm_connector *connector;
1260	struct drm_connector_list_iter iter;
1261	struct amdgpu_connector *amdgpu_connector = NULL;
1262	u32 tmp;
1263	int interlace = 0;
1264
1265	if (!dig || !dig->afmt || !dig->afmt->pin)
1266		return;
1267
1268	drm_connector_list_iter_begin(dev, &iter);
1269	drm_for_each_connector_iter(connector, &iter) {
1270		if (connector->encoder == encoder) {
1271			amdgpu_connector = to_amdgpu_connector(connector);
1272			break;
1273		}
1274	}
1275	drm_connector_list_iter_end(&iter);
1276
1277	if (!amdgpu_connector) {
1278		DRM_ERROR("Couldn't find encoder's connector\n");
1279		return;
1280	}
1281
1282	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1283		interlace = 1;
1284	if (connector->latency_present[interlace]) {
1285		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1286				    VIDEO_LIPSYNC, connector->video_latency[interlace]);
1287		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1288				    AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1289	} else {
1290		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1291				    VIDEO_LIPSYNC, 0);
1292		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1293				    AUDIO_LIPSYNC, 0);
1294	}
1295	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1296			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1297}
1298
1299static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1300{
1301	struct drm_device *dev = encoder->dev;
1302	struct amdgpu_device *adev = drm_to_adev(dev);
1303	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1304	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1305	struct drm_connector *connector;
1306	struct drm_connector_list_iter iter;
1307	struct amdgpu_connector *amdgpu_connector = NULL;
1308	u32 tmp;
1309	u8 *sadb = NULL;
1310	int sad_count;
1311
1312	if (!dig || !dig->afmt || !dig->afmt->pin)
1313		return;
1314
1315	drm_connector_list_iter_begin(dev, &iter);
1316	drm_for_each_connector_iter(connector, &iter) {
1317		if (connector->encoder == encoder) {
1318			amdgpu_connector = to_amdgpu_connector(connector);
1319			break;
1320		}
1321	}
1322	drm_connector_list_iter_end(&iter);
1323
1324	if (!amdgpu_connector) {
1325		DRM_ERROR("Couldn't find encoder's connector\n");
1326		return;
1327	}
1328
1329	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1330	if (sad_count < 0) {
1331		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1332		sad_count = 0;
1333	}
1334
1335	/* program the speaker allocation */
1336	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1337				 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1338	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1339			    DP_CONNECTION, 0);
1340	/* set HDMI mode */
1341	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1342			    HDMI_CONNECTION, 1);
1343	if (sad_count)
1344		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1345				    SPEAKER_ALLOCATION, sadb[0]);
1346	else
1347		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1348				    SPEAKER_ALLOCATION, 5); /* stereo */
1349	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1350			   ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1351
1352	kfree(sadb);
1353}
1354
1355static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1356{
1357	struct drm_device *dev = encoder->dev;
1358	struct amdgpu_device *adev = drm_to_adev(dev);
1359	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1360	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1361	struct drm_connector *connector;
1362	struct drm_connector_list_iter iter;
1363	struct amdgpu_connector *amdgpu_connector = NULL;
1364	struct cea_sad *sads;
1365	int i, sad_count;
1366
1367	static const u16 eld_reg_to_type[][2] = {
1368		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1369		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1370		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1371		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1372		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1373		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1374		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1375		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1376		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1377		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1378		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1379		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1380	};
1381
1382	if (!dig || !dig->afmt || !dig->afmt->pin)
1383		return;
1384
1385	drm_connector_list_iter_begin(dev, &iter);
1386	drm_for_each_connector_iter(connector, &iter) {
1387		if (connector->encoder == encoder) {
1388			amdgpu_connector = to_amdgpu_connector(connector);
1389			break;
1390		}
1391	}
1392	drm_connector_list_iter_end(&iter);
1393
1394	if (!amdgpu_connector) {
1395		DRM_ERROR("Couldn't find encoder's connector\n");
1396		return;
1397	}
1398
1399	sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1400	if (sad_count < 0)
1401		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1402	if (sad_count <= 0)
1403		return;
 
1404	BUG_ON(!sads);
1405
1406	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1407		u32 tmp = 0;
1408		u8 stereo_freqs = 0;
1409		int max_channels = -1;
1410		int j;
1411
1412		for (j = 0; j < sad_count; j++) {
1413			struct cea_sad *sad = &sads[j];
1414
1415			if (sad->format == eld_reg_to_type[i][1]) {
1416				if (sad->channels > max_channels) {
1417					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1418							    MAX_CHANNELS, sad->channels);
1419					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1420							    DESCRIPTOR_BYTE_2, sad->byte2);
1421					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1422							    SUPPORTED_FREQUENCIES, sad->freq);
1423					max_channels = sad->channels;
1424				}
1425
1426				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1427					stereo_freqs |= sad->freq;
1428				else
1429					break;
1430			}
1431		}
1432
1433		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1434				    SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1435		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1436	}
1437
1438	kfree(sads);
1439}
1440
1441static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1442				  struct amdgpu_audio_pin *pin,
1443				  bool enable)
1444{
1445	if (!pin)
1446		return;
1447
1448	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1449			   enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1450}
1451
1452static const u32 pin_offsets[] =
1453{
1454	AUD0_REGISTER_OFFSET,
1455	AUD1_REGISTER_OFFSET,
1456	AUD2_REGISTER_OFFSET,
1457	AUD3_REGISTER_OFFSET,
1458	AUD4_REGISTER_OFFSET,
1459	AUD5_REGISTER_OFFSET,
1460	AUD6_REGISTER_OFFSET,
1461	AUD7_REGISTER_OFFSET,
1462};
1463
1464static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1465{
1466	int i;
1467
1468	if (!amdgpu_audio)
1469		return 0;
1470
1471	adev->mode_info.audio.enabled = true;
1472
1473	switch (adev->asic_type) {
1474	case CHIP_CARRIZO:
1475	case CHIP_STONEY:
1476		adev->mode_info.audio.num_pins = 7;
1477		break;
1478	case CHIP_POLARIS10:
1479	case CHIP_VEGAM:
1480		adev->mode_info.audio.num_pins = 8;
1481		break;
1482	case CHIP_POLARIS11:
1483	case CHIP_POLARIS12:
1484		adev->mode_info.audio.num_pins = 6;
1485		break;
1486	default:
1487		return -EINVAL;
1488	}
1489
1490	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1491		adev->mode_info.audio.pin[i].channels = -1;
1492		adev->mode_info.audio.pin[i].rate = -1;
1493		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1494		adev->mode_info.audio.pin[i].status_bits = 0;
1495		adev->mode_info.audio.pin[i].category_code = 0;
1496		adev->mode_info.audio.pin[i].connected = false;
1497		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1498		adev->mode_info.audio.pin[i].id = i;
1499		/* disable audio.  it will be set up later */
1500		/* XXX remove once we switch to ip funcs */
1501		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1502	}
1503
1504	return 0;
1505}
1506
1507static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1508{
1509	int i;
1510
1511	if (!amdgpu_audio)
1512		return;
1513
1514	if (!adev->mode_info.audio.enabled)
1515		return;
1516
1517	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1518		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1519
1520	adev->mode_info.audio.enabled = false;
1521}
1522
1523/*
1524 * update the N and CTS parameters for a given pixel clock rate
1525 */
1526static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1527{
1528	struct drm_device *dev = encoder->dev;
1529	struct amdgpu_device *adev = drm_to_adev(dev);
1530	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1531	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1532	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1533	u32 tmp;
1534
1535	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1536	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1537	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1538	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1539	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1540	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1541
1542	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1543	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1544	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1545	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1546	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1547	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1548
1549	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1550	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1551	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1552	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1553	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1554	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1555
1556}
1557
1558/*
1559 * build a HDMI Video Info Frame
1560 */
1561static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1562					       void *buffer, size_t size)
1563{
1564	struct drm_device *dev = encoder->dev;
1565	struct amdgpu_device *adev = drm_to_adev(dev);
1566	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1567	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1568	uint8_t *frame = buffer + 3;
1569	uint8_t *header = buffer;
1570
1571	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1572		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1573	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1574		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1575	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1576		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1577	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1578		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1579}
1580
1581static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1582{
1583	struct drm_device *dev = encoder->dev;
1584	struct amdgpu_device *adev = drm_to_adev(dev);
1585	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1586	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1587	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1588	u32 dto_phase = 24 * 1000;
1589	u32 dto_modulo = clock;
1590	u32 tmp;
1591
1592	if (!dig || !dig->afmt)
1593		return;
1594
1595	/* XXX two dtos; generally use dto0 for hdmi */
1596	/* Express [24MHz / target pixel clock] as an exact rational
1597	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1598	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1599	 */
1600	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1601	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1602			    amdgpu_crtc->crtc_id);
1603	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1604	WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1605	WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1606}
1607
1608/*
1609 * update the info frames with the data from the current display mode
1610 */
1611static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1612				  struct drm_display_mode *mode)
1613{
1614	struct drm_device *dev = encoder->dev;
1615	struct amdgpu_device *adev = drm_to_adev(dev);
1616	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1617	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1618	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1619	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1620	struct hdmi_avi_infoframe frame;
1621	ssize_t err;
1622	u32 tmp;
1623	int bpc = 8;
1624
1625	if (!dig || !dig->afmt)
1626		return;
1627
1628	/* Silent, r600_hdmi_enable will raise WARN for us */
1629	if (!dig->afmt->enabled)
1630		return;
1631
1632	/* hdmi deep color mode general control packets setup, if bpc > 8 */
1633	if (encoder->crtc) {
1634		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1635		bpc = amdgpu_crtc->bpc;
1636	}
1637
1638	/* disable audio prior to setting up hw */
1639	dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1640	dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1641
1642	dce_v11_0_audio_set_dto(encoder, mode->clock);
1643
1644	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1645	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1646	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1647
1648	WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1649
1650	tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1651	switch (bpc) {
1652	case 0:
1653	case 6:
1654	case 8:
1655	case 16:
1656	default:
1657		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1658		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1659		DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1660			  connector->name, bpc);
1661		break;
1662	case 10:
1663		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1664		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1665		DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1666			  connector->name);
1667		break;
1668	case 12:
1669		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1670		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1671		DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1672			  connector->name);
1673		break;
1674	}
1675	WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1676
1677	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1678	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1679	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1680	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1681	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1682
1683	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1684	/* enable audio info frames (frames won't be set until audio is enabled) */
1685	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1686	/* required for audio info values to be updated */
1687	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1688	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1689
1690	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1691	/* required for audio info values to be updated */
1692	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1693	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1694
1695	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1696	/* anything other than 0 */
1697	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1698	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1699
1700	WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1701
1702	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1703	/* set the default audio delay */
1704	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1705	/* should be suffient for all audio modes and small enough for all hblanks */
1706	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1707	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1708
1709	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1710	/* allow 60958 channel status fields to be updated */
1711	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1712	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1713
1714	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1715	if (bpc > 8)
1716		/* clear SW CTS value */
1717		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1718	else
1719		/* select SW CTS value */
1720		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1721	/* allow hw to sent ACR packets when required */
1722	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1723	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1724
1725	dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1726
1727	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1728	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1729	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1730
1731	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1732	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1733	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1734
1735	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1736	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1737	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1738	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1739	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1740	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1741	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1742	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1743
1744	dce_v11_0_audio_write_speaker_allocation(encoder);
1745
1746	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1747	       (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1748
1749	dce_v11_0_afmt_audio_select_pin(encoder);
1750	dce_v11_0_audio_write_sad_regs(encoder);
1751	dce_v11_0_audio_write_latency_fields(encoder, mode);
1752
1753	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1754	if (err < 0) {
1755		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1756		return;
1757	}
1758
1759	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1760	if (err < 0) {
1761		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1762		return;
1763	}
1764
1765	dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1766
1767	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1768	/* enable AVI info frames */
1769	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1770	/* required for audio info values to be updated */
1771	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1772	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1773
1774	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1775	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1776	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1777
1778	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1779	/* send audio packets */
1780	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1781	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1782
1783	WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1784	WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1785	WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1786	WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1787
1788	/* enable audio after to setting up hw */
1789	dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1790}
1791
1792static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1793{
1794	struct drm_device *dev = encoder->dev;
1795	struct amdgpu_device *adev = drm_to_adev(dev);
1796	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1797	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1798
1799	if (!dig || !dig->afmt)
1800		return;
1801
1802	/* Silent, r600_hdmi_enable will raise WARN for us */
1803	if (enable && dig->afmt->enabled)
1804		return;
1805	if (!enable && !dig->afmt->enabled)
1806		return;
1807
1808	if (!enable && dig->afmt->pin) {
1809		dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1810		dig->afmt->pin = NULL;
1811	}
1812
1813	dig->afmt->enabled = enable;
1814
1815	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1816		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1817}
1818
1819static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1820{
1821	int i;
1822
1823	for (i = 0; i < adev->mode_info.num_dig; i++)
1824		adev->mode_info.afmt[i] = NULL;
1825
1826	/* DCE11 has audio blocks tied to DIG encoders */
1827	for (i = 0; i < adev->mode_info.num_dig; i++) {
1828		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1829		if (adev->mode_info.afmt[i]) {
1830			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1831			adev->mode_info.afmt[i]->id = i;
1832		} else {
1833			int j;
1834			for (j = 0; j < i; j++) {
1835				kfree(adev->mode_info.afmt[j]);
1836				adev->mode_info.afmt[j] = NULL;
1837			}
1838			return -ENOMEM;
1839		}
1840	}
1841	return 0;
1842}
1843
1844static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1845{
1846	int i;
1847
1848	for (i = 0; i < adev->mode_info.num_dig; i++) {
1849		kfree(adev->mode_info.afmt[i]);
1850		adev->mode_info.afmt[i] = NULL;
1851	}
1852}
1853
1854static const u32 vga_control_regs[6] =
1855{
1856	mmD1VGA_CONTROL,
1857	mmD2VGA_CONTROL,
1858	mmD3VGA_CONTROL,
1859	mmD4VGA_CONTROL,
1860	mmD5VGA_CONTROL,
1861	mmD6VGA_CONTROL,
1862};
1863
1864static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
1865{
1866	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1867	struct drm_device *dev = crtc->dev;
1868	struct amdgpu_device *adev = drm_to_adev(dev);
1869	u32 vga_control;
1870
1871	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1872	if (enable)
1873		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1874	else
1875		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1876}
1877
1878static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
1879{
1880	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1881	struct drm_device *dev = crtc->dev;
1882	struct amdgpu_device *adev = drm_to_adev(dev);
1883
1884	if (enable)
1885		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1886	else
1887		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1888}
1889
1890static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
1891				     struct drm_framebuffer *fb,
1892				     int x, int y, int atomic)
1893{
1894	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1895	struct drm_device *dev = crtc->dev;
1896	struct amdgpu_device *adev = drm_to_adev(dev);
 
1897	struct drm_framebuffer *target_fb;
1898	struct drm_gem_object *obj;
1899	struct amdgpu_bo *abo;
1900	uint64_t fb_location, tiling_flags;
1901	uint32_t fb_format, fb_pitch_pixels;
1902	u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1903	u32 pipe_config;
1904	u32 tmp, viewport_w, viewport_h;
1905	int r;
1906	bool bypass_lut = false;
1907
1908	/* no fb bound */
1909	if (!atomic && !crtc->primary->fb) {
1910		DRM_DEBUG_KMS("No FB bound\n");
1911		return 0;
1912	}
1913
1914	if (atomic)
 
1915		target_fb = fb;
1916	else
 
1917		target_fb = crtc->primary->fb;
 
1918
1919	/* If atomic, assume fb object is pinned & idle & fenced and
1920	 * just update base pointers
1921	 */
1922	obj = target_fb->obj[0];
1923	abo = gem_to_amdgpu_bo(obj);
1924	r = amdgpu_bo_reserve(abo, false);
1925	if (unlikely(r != 0))
1926		return r;
1927
1928	if (!atomic) {
1929		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
 
 
1930		if (unlikely(r != 0)) {
1931			amdgpu_bo_unreserve(abo);
1932			return -EINVAL;
1933		}
1934	}
1935	fb_location = amdgpu_bo_gpu_offset(abo);
1936
1937	amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1938	amdgpu_bo_unreserve(abo);
1939
1940	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1941
1942	switch (target_fb->format->format) {
1943	case DRM_FORMAT_C8:
1944		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1945		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1946		break;
1947	case DRM_FORMAT_XRGB4444:
1948	case DRM_FORMAT_ARGB4444:
1949		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1950		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1951#ifdef __BIG_ENDIAN
1952		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1953					ENDIAN_8IN16);
1954#endif
1955		break;
1956	case DRM_FORMAT_XRGB1555:
1957	case DRM_FORMAT_ARGB1555:
1958		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1959		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1960#ifdef __BIG_ENDIAN
1961		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1962					ENDIAN_8IN16);
1963#endif
1964		break;
1965	case DRM_FORMAT_BGRX5551:
1966	case DRM_FORMAT_BGRA5551:
1967		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1968		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1969#ifdef __BIG_ENDIAN
1970		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1971					ENDIAN_8IN16);
1972#endif
1973		break;
1974	case DRM_FORMAT_RGB565:
1975		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1976		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1977#ifdef __BIG_ENDIAN
1978		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1979					ENDIAN_8IN16);
1980#endif
1981		break;
1982	case DRM_FORMAT_XRGB8888:
1983	case DRM_FORMAT_ARGB8888:
1984		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1985		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1986#ifdef __BIG_ENDIAN
1987		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1988					ENDIAN_8IN32);
1989#endif
1990		break;
1991	case DRM_FORMAT_XRGB2101010:
1992	case DRM_FORMAT_ARGB2101010:
1993		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1994		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1995#ifdef __BIG_ENDIAN
1996		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1997					ENDIAN_8IN32);
1998#endif
1999		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2000		bypass_lut = true;
2001		break;
2002	case DRM_FORMAT_BGRX1010102:
2003	case DRM_FORMAT_BGRA1010102:
2004		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2005		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2006#ifdef __BIG_ENDIAN
2007		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2008					ENDIAN_8IN32);
2009#endif
2010		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2011		bypass_lut = true;
2012		break;
2013	case DRM_FORMAT_XBGR8888:
2014	case DRM_FORMAT_ABGR8888:
2015		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2016		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2017		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
2018		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
2019#ifdef __BIG_ENDIAN
2020		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2021					ENDIAN_8IN32);
2022#endif
2023		break;
2024	default:
2025		DRM_ERROR("Unsupported screen format %p4cc\n",
2026			  &target_fb->format->format);
2027		return -EINVAL;
2028	}
2029
2030	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2031		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2032
2033		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2034		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2035		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2036		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2037		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2038
2039		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2040		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2041					  ARRAY_2D_TILED_THIN1);
2042		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2043					  tile_split);
2044		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2045		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2046		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2047					  mtaspect);
2048		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2049					  ADDR_SURF_MICRO_TILING_DISPLAY);
2050	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2051		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2052					  ARRAY_1D_TILED_THIN1);
2053	}
2054
2055	fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2056				  pipe_config);
2057
2058	dce_v11_0_vga_enable(crtc, false);
2059
2060	/* Make sure surface address is updated at vertical blank rather than
2061	 * horizontal blank
2062	 */
2063	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2064	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2065			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2066	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2067
2068	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2069	       upper_32_bits(fb_location));
2070	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2071	       upper_32_bits(fb_location));
2072	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2073	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2074	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2075	       (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2076	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2077	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2078
2079	/*
2080	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2081	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2082	 * retain the full precision throughout the pipeline.
2083	 */
2084	tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2085	if (bypass_lut)
2086		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2087	else
2088		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2089	WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2090
2091	if (bypass_lut)
2092		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2093
2094	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2095	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2096	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2097	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2098	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2099	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2100
2101	fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2102	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2103
2104	dce_v11_0_grph_enable(crtc, true);
2105
2106	WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2107	       target_fb->height);
2108
2109	x &= ~3;
2110	y &= ~1;
2111	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2112	       (x << 16) | y);
2113	viewport_w = crtc->mode.hdisplay;
2114	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2115	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2116	       (viewport_w << 16) | viewport_h);
2117
2118	/* set pageflip to happen anywhere in vblank interval */
2119	WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
 
 
 
 
 
 
 
2120
2121	if (!atomic && fb && fb != crtc->primary->fb) {
2122		abo = gem_to_amdgpu_bo(fb->obj[0]);
2123		r = amdgpu_bo_reserve(abo, true);
 
2124		if (unlikely(r != 0))
2125			return r;
2126		amdgpu_bo_unpin(abo);
2127		amdgpu_bo_unreserve(abo);
2128	}
2129
2130	/* Bytes per pixel may have changed */
2131	dce_v11_0_bandwidth_update(adev);
2132
2133	return 0;
2134}
2135
2136static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2137				     struct drm_display_mode *mode)
2138{
2139	struct drm_device *dev = crtc->dev;
2140	struct amdgpu_device *adev = drm_to_adev(dev);
2141	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2142	u32 tmp;
2143
2144	tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2145	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2146		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2147	else
2148		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2149	WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2150}
2151
2152static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2153{
2154	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2155	struct drm_device *dev = crtc->dev;
2156	struct amdgpu_device *adev = drm_to_adev(dev);
2157	u16 *r, *g, *b;
2158	int i;
2159	u32 tmp;
2160
2161	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2162
2163	tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2164	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2165	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2166
2167	tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2168	tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2169	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2170
2171	tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2172	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2173	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2174
2175	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2176
2177	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2178	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2179	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2180
2181	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2182	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2183	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2184
2185	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2186	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2187
2188	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2189	r = crtc->gamma_store;
2190	g = r + crtc->gamma_size;
2191	b = g + crtc->gamma_size;
2192	for (i = 0; i < 256; i++) {
2193		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2194		       ((*r++ & 0xffc0) << 14) |
2195		       ((*g++ & 0xffc0) << 4) |
2196		       (*b++ >> 6));
2197	}
2198
2199	tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2200	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2201	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2202	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2203	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2204
2205	tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2206	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2207	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2208
2209	tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2210	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2211	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2212
2213	tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2214	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2215	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2216
2217	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2218	WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2219	/* XXX this only needs to be programmed once per crtc at startup,
2220	 * not sure where the best place for it is
2221	 */
2222	tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2223	tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2224	WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2225}
2226
2227static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2228{
2229	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2230	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2231
2232	switch (amdgpu_encoder->encoder_id) {
2233	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2234		if (dig->linkb)
2235			return 1;
2236		else
2237			return 0;
 
2238	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2239		if (dig->linkb)
2240			return 3;
2241		else
2242			return 2;
 
2243	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2244		if (dig->linkb)
2245			return 5;
2246		else
2247			return 4;
 
2248	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2249		return 6;
 
2250	default:
2251		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2252		return 0;
2253	}
2254}
2255
2256/**
2257 * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2258 *
2259 * @crtc: drm crtc
2260 *
2261 * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2262 * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2263 * monitors a dedicated PPLL must be used.  If a particular board has
2264 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2265 * as there is no need to program the PLL itself.  If we are not able to
2266 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2267 * avoid messing up an existing monitor.
2268 *
2269 * Asic specific PLL information
2270 *
2271 * DCE 10.x
2272 * Tonga
2273 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2274 * CI
2275 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2276 *
2277 */
2278static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2279{
2280	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2281	struct drm_device *dev = crtc->dev;
2282	struct amdgpu_device *adev = drm_to_adev(dev);
2283	u32 pll_in_use;
2284	int pll;
2285
2286	if ((adev->asic_type == CHIP_POLARIS10) ||
2287	    (adev->asic_type == CHIP_POLARIS11) ||
2288	    (adev->asic_type == CHIP_POLARIS12) ||
2289	    (adev->asic_type == CHIP_VEGAM)) {
2290		struct amdgpu_encoder *amdgpu_encoder =
2291			to_amdgpu_encoder(amdgpu_crtc->encoder);
2292		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2293
2294		if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2295			return ATOM_DP_DTO;
2296
2297		switch (amdgpu_encoder->encoder_id) {
2298		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2299			if (dig->linkb)
2300				return ATOM_COMBOPHY_PLL1;
2301			else
2302				return ATOM_COMBOPHY_PLL0;
2303		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2304			if (dig->linkb)
2305				return ATOM_COMBOPHY_PLL3;
2306			else
2307				return ATOM_COMBOPHY_PLL2;
2308		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2309			if (dig->linkb)
2310				return ATOM_COMBOPHY_PLL5;
2311			else
2312				return ATOM_COMBOPHY_PLL4;
2313		default:
2314			DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2315			return ATOM_PPLL_INVALID;
2316		}
2317	}
2318
2319	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2320		if (adev->clock.dp_extclk)
2321			/* skip PPLL programming if using ext clock */
2322			return ATOM_PPLL_INVALID;
2323		else {
2324			/* use the same PPLL for all DP monitors */
2325			pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2326			if (pll != ATOM_PPLL_INVALID)
2327				return pll;
2328		}
2329	} else {
2330		/* use the same PPLL for all monitors with the same clock */
2331		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2332		if (pll != ATOM_PPLL_INVALID)
2333			return pll;
2334	}
2335
2336	/* XXX need to determine what plls are available on each DCE11 part */
2337	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2338	if (adev->flags & AMD_IS_APU) {
2339		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2340			return ATOM_PPLL1;
2341		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2342			return ATOM_PPLL0;
2343		DRM_ERROR("unable to allocate a PPLL\n");
2344		return ATOM_PPLL_INVALID;
2345	} else {
2346		if (!(pll_in_use & (1 << ATOM_PPLL2)))
2347			return ATOM_PPLL2;
2348		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2349			return ATOM_PPLL1;
2350		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2351			return ATOM_PPLL0;
2352		DRM_ERROR("unable to allocate a PPLL\n");
2353		return ATOM_PPLL_INVALID;
2354	}
2355	return ATOM_PPLL_INVALID;
2356}
2357
2358static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2359{
2360	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2361	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2362	uint32_t cur_lock;
2363
2364	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2365	if (lock)
2366		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2367	else
2368		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2369	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2370}
2371
2372static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2373{
2374	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2375	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2376	u32 tmp;
2377
2378	tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2379	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2380	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2381}
2382
2383static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2384{
2385	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2386	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2387	u32 tmp;
2388
2389	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2390	       upper_32_bits(amdgpu_crtc->cursor_addr));
2391	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2392	       lower_32_bits(amdgpu_crtc->cursor_addr));
2393
2394	tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2395	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2396	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2397	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2398}
2399
2400static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2401					int x, int y)
2402{
2403	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2404	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2405	int xorigin = 0, yorigin = 0;
2406
2407	amdgpu_crtc->cursor_x = x;
2408	amdgpu_crtc->cursor_y = y;
2409
2410	/* avivo cursor are offset into the total surface */
2411	x += crtc->x;
2412	y += crtc->y;
2413	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2414
2415	if (x < 0) {
2416		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2417		x = 0;
2418	}
2419	if (y < 0) {
2420		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2421		y = 0;
2422	}
2423
2424	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2425	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2426	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2427	       ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2428
 
 
 
2429	return 0;
2430}
2431
2432static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2433				      int x, int y)
2434{
2435	int ret;
2436
2437	dce_v11_0_lock_cursor(crtc, true);
2438	ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2439	dce_v11_0_lock_cursor(crtc, false);
2440
2441	return ret;
2442}
2443
2444static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2445				      struct drm_file *file_priv,
2446				      uint32_t handle,
2447				      uint32_t width,
2448				      uint32_t height,
2449				      int32_t hot_x,
2450				      int32_t hot_y)
2451{
2452	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2453	struct drm_gem_object *obj;
2454	struct amdgpu_bo *aobj;
2455	int ret;
2456
2457	if (!handle) {
2458		/* turn off cursor */
2459		dce_v11_0_hide_cursor(crtc);
2460		obj = NULL;
2461		goto unpin;
2462	}
2463
2464	if ((width > amdgpu_crtc->max_cursor_width) ||
2465	    (height > amdgpu_crtc->max_cursor_height)) {
2466		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2467		return -EINVAL;
2468	}
2469
2470	obj = drm_gem_object_lookup(file_priv, handle);
2471	if (!obj) {
2472		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2473		return -ENOENT;
2474	}
2475
2476	aobj = gem_to_amdgpu_bo(obj);
2477	ret = amdgpu_bo_reserve(aobj, false);
2478	if (ret != 0) {
2479		drm_gem_object_put(obj);
2480		return ret;
2481	}
2482
2483	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2484	amdgpu_bo_unreserve(aobj);
2485	if (ret) {
2486		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2487		drm_gem_object_put(obj);
2488		return ret;
2489	}
2490	amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
 
 
2491
2492	dce_v11_0_lock_cursor(crtc, true);
2493
2494	if (width != amdgpu_crtc->cursor_width ||
2495	    height != amdgpu_crtc->cursor_height ||
2496	    hot_x != amdgpu_crtc->cursor_hot_x ||
2497	    hot_y != amdgpu_crtc->cursor_hot_y) {
2498		int x, y;
2499
2500		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2501		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2502
2503		dce_v11_0_cursor_move_locked(crtc, x, y);
2504
2505		amdgpu_crtc->cursor_width = width;
2506		amdgpu_crtc->cursor_height = height;
2507		amdgpu_crtc->cursor_hot_x = hot_x;
2508		amdgpu_crtc->cursor_hot_y = hot_y;
2509	}
2510
2511	dce_v11_0_show_cursor(crtc);
2512	dce_v11_0_lock_cursor(crtc, false);
2513
2514unpin:
2515	if (amdgpu_crtc->cursor_bo) {
2516		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2517		ret = amdgpu_bo_reserve(aobj, true);
2518		if (likely(ret == 0)) {
2519			amdgpu_bo_unpin(aobj);
2520			amdgpu_bo_unreserve(aobj);
2521		}
2522		drm_gem_object_put(amdgpu_crtc->cursor_bo);
2523	}
2524
2525	amdgpu_crtc->cursor_bo = obj;
2526	return 0;
2527}
2528
2529static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2530{
2531	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2532
2533	if (amdgpu_crtc->cursor_bo) {
2534		dce_v11_0_lock_cursor(crtc, true);
2535
2536		dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2537					     amdgpu_crtc->cursor_y);
2538
2539		dce_v11_0_show_cursor(crtc);
2540
2541		dce_v11_0_lock_cursor(crtc, false);
2542	}
2543}
2544
2545static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2546				    u16 *blue, uint32_t size,
2547				    struct drm_modeset_acquire_ctx *ctx)
2548{
2549	dce_v11_0_crtc_load_lut(crtc);
 
2550
2551	return 0;
 
 
 
 
 
 
2552}
2553
2554static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2555{
2556	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2557
2558	drm_crtc_cleanup(crtc);
2559	kfree(amdgpu_crtc);
2560}
2561
2562static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2563	.cursor_set2 = dce_v11_0_crtc_cursor_set2,
2564	.cursor_move = dce_v11_0_crtc_cursor_move,
2565	.gamma_set = dce_v11_0_crtc_gamma_set,
2566	.set_config = amdgpu_display_crtc_set_config,
2567	.destroy = dce_v11_0_crtc_destroy,
2568	.page_flip_target = amdgpu_display_crtc_page_flip_target,
2569	.get_vblank_counter = amdgpu_get_vblank_counter_kms,
2570	.enable_vblank = amdgpu_enable_vblank_kms,
2571	.disable_vblank = amdgpu_disable_vblank_kms,
2572	.get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2573};
2574
2575static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2576{
2577	struct drm_device *dev = crtc->dev;
2578	struct amdgpu_device *adev = drm_to_adev(dev);
2579	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2580	unsigned type;
2581
2582	switch (mode) {
2583	case DRM_MODE_DPMS_ON:
2584		amdgpu_crtc->enabled = true;
2585		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2586		dce_v11_0_vga_enable(crtc, true);
2587		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2588		dce_v11_0_vga_enable(crtc, false);
2589		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2590		type = amdgpu_display_crtc_idx_to_irq_type(adev,
2591						amdgpu_crtc->crtc_id);
2592		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2593		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2594		drm_crtc_vblank_on(crtc);
2595		dce_v11_0_crtc_load_lut(crtc);
2596		break;
2597	case DRM_MODE_DPMS_STANDBY:
2598	case DRM_MODE_DPMS_SUSPEND:
2599	case DRM_MODE_DPMS_OFF:
2600		drm_crtc_vblank_off(crtc);
2601		if (amdgpu_crtc->enabled) {
2602			dce_v11_0_vga_enable(crtc, true);
2603			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2604			dce_v11_0_vga_enable(crtc, false);
2605		}
2606		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2607		amdgpu_crtc->enabled = false;
2608		break;
2609	}
2610	/* adjust pm to dpms */
2611	amdgpu_pm_compute_clocks(adev);
2612}
2613
2614static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2615{
2616	/* disable crtc pair power gating before programming */
2617	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2618	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2619	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2620}
2621
2622static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2623{
2624	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2625	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2626}
2627
2628static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2629{
2630	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2631	struct drm_device *dev = crtc->dev;
2632	struct amdgpu_device *adev = drm_to_adev(dev);
2633	struct amdgpu_atom_ss ss;
2634	int i;
2635
2636	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2637	if (crtc->primary->fb) {
2638		int r;
2639		struct amdgpu_bo *abo;
 
2640
2641		abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2642		r = amdgpu_bo_reserve(abo, true);
 
2643		if (unlikely(r))
2644			DRM_ERROR("failed to reserve abo before unpin\n");
2645		else {
2646			amdgpu_bo_unpin(abo);
2647			amdgpu_bo_unreserve(abo);
2648		}
2649	}
2650	/* disable the GRPH */
2651	dce_v11_0_grph_enable(crtc, false);
2652
2653	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2654
2655	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2656		if (adev->mode_info.crtcs[i] &&
2657		    adev->mode_info.crtcs[i]->enabled &&
2658		    i != amdgpu_crtc->crtc_id &&
2659		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2660			/* one other crtc is using this pll don't turn
2661			 * off the pll
2662			 */
2663			goto done;
2664		}
2665	}
2666
2667	switch (amdgpu_crtc->pll_id) {
2668	case ATOM_PPLL0:
2669	case ATOM_PPLL1:
2670	case ATOM_PPLL2:
2671		/* disable the ppll */
2672		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2673						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2674		break;
2675	case ATOM_COMBOPHY_PLL0:
2676	case ATOM_COMBOPHY_PLL1:
2677	case ATOM_COMBOPHY_PLL2:
2678	case ATOM_COMBOPHY_PLL3:
2679	case ATOM_COMBOPHY_PLL4:
2680	case ATOM_COMBOPHY_PLL5:
2681		/* disable the ppll */
2682		amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id,
2683						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2684		break;
2685	default:
2686		break;
2687	}
2688done:
2689	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2690	amdgpu_crtc->adjusted_clock = 0;
2691	amdgpu_crtc->encoder = NULL;
2692	amdgpu_crtc->connector = NULL;
2693}
2694
2695static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2696				  struct drm_display_mode *mode,
2697				  struct drm_display_mode *adjusted_mode,
2698				  int x, int y, struct drm_framebuffer *old_fb)
2699{
2700	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2701	struct drm_device *dev = crtc->dev;
2702	struct amdgpu_device *adev = drm_to_adev(dev);
2703
2704	if (!amdgpu_crtc->adjusted_clock)
2705		return -EINVAL;
2706
2707	if ((adev->asic_type == CHIP_POLARIS10) ||
2708	    (adev->asic_type == CHIP_POLARIS11) ||
2709	    (adev->asic_type == CHIP_POLARIS12) ||
2710	    (adev->asic_type == CHIP_VEGAM)) {
2711		struct amdgpu_encoder *amdgpu_encoder =
2712			to_amdgpu_encoder(amdgpu_crtc->encoder);
2713		int encoder_mode =
2714			amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder);
2715
2716		/* SetPixelClock calculates the plls and ss values now */
2717		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id,
2718						 amdgpu_crtc->pll_id,
2719						 encoder_mode, amdgpu_encoder->encoder_id,
2720						 adjusted_mode->clock, 0, 0, 0, 0,
2721						 amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss);
2722	} else {
2723		amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2724	}
2725	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2726	dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2727	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2728	amdgpu_atombios_crtc_scaler_setup(crtc);
2729	dce_v11_0_cursor_reset(crtc);
2730	/* update the hw version fpr dpm */
2731	amdgpu_crtc->hw_mode = *adjusted_mode;
2732
2733	return 0;
2734}
2735
2736static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2737				     const struct drm_display_mode *mode,
2738				     struct drm_display_mode *adjusted_mode)
2739{
2740	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2741	struct drm_device *dev = crtc->dev;
2742	struct drm_encoder *encoder;
2743
2744	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2745	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2746		if (encoder->crtc == crtc) {
2747			amdgpu_crtc->encoder = encoder;
2748			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2749			break;
2750		}
2751	}
2752	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2753		amdgpu_crtc->encoder = NULL;
2754		amdgpu_crtc->connector = NULL;
2755		return false;
2756	}
2757	if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2758		return false;
2759	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2760		return false;
2761	/* pick pll */
2762	amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2763	/* if we can't get a PPLL for a non-DP encoder, fail */
2764	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2765	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2766		return false;
2767
2768	return true;
2769}
2770
2771static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2772				  struct drm_framebuffer *old_fb)
2773{
2774	return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2775}
2776
2777static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2778					 struct drm_framebuffer *fb,
2779					 int x, int y, enum mode_set_atomic state)
2780{
2781	return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2782}
2783
2784static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2785	.dpms = dce_v11_0_crtc_dpms,
2786	.mode_fixup = dce_v11_0_crtc_mode_fixup,
2787	.mode_set = dce_v11_0_crtc_mode_set,
2788	.mode_set_base = dce_v11_0_crtc_set_base,
2789	.mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2790	.prepare = dce_v11_0_crtc_prepare,
2791	.commit = dce_v11_0_crtc_commit,
 
2792	.disable = dce_v11_0_crtc_disable,
2793	.get_scanout_position = amdgpu_crtc_get_scanout_position,
2794};
2795
2796static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2797{
2798	struct amdgpu_crtc *amdgpu_crtc;
 
2799
2800	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2801			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2802	if (amdgpu_crtc == NULL)
2803		return -ENOMEM;
2804
2805	drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2806
2807	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2808	amdgpu_crtc->crtc_id = index;
2809	adev->mode_info.crtcs[index] = amdgpu_crtc;
2810
2811	amdgpu_crtc->max_cursor_width = 128;
2812	amdgpu_crtc->max_cursor_height = 128;
2813	adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2814	adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
 
 
 
 
 
 
2815
2816	switch (amdgpu_crtc->crtc_id) {
2817	case 0:
2818	default:
2819		amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2820		break;
2821	case 1:
2822		amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2823		break;
2824	case 2:
2825		amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2826		break;
2827	case 3:
2828		amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2829		break;
2830	case 4:
2831		amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2832		break;
2833	case 5:
2834		amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2835		break;
2836	}
2837
2838	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2839	amdgpu_crtc->adjusted_clock = 0;
2840	amdgpu_crtc->encoder = NULL;
2841	amdgpu_crtc->connector = NULL;
2842	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2843
2844	return 0;
2845}
2846
2847static int dce_v11_0_early_init(void *handle)
2848{
2849	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2850
2851	adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2852	adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2853
2854	dce_v11_0_set_display_funcs(adev);
2855
2856	adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev);
2857
2858	switch (adev->asic_type) {
2859	case CHIP_CARRIZO:
 
2860		adev->mode_info.num_hpd = 6;
2861		adev->mode_info.num_dig = 9;
2862		break;
2863	case CHIP_STONEY:
 
2864		adev->mode_info.num_hpd = 6;
2865		adev->mode_info.num_dig = 9;
2866		break;
2867	case CHIP_POLARIS10:
2868	case CHIP_VEGAM:
2869		adev->mode_info.num_hpd = 6;
2870		adev->mode_info.num_dig = 6;
2871		break;
2872	case CHIP_POLARIS11:
2873	case CHIP_POLARIS12:
2874		adev->mode_info.num_hpd = 5;
2875		adev->mode_info.num_dig = 5;
2876		break;
2877	default:
2878		/* FIXME: not supported yet */
2879		return -EINVAL;
2880	}
2881
2882	dce_v11_0_set_irq_funcs(adev);
2883
2884	return 0;
2885}
2886
2887static int dce_v11_0_sw_init(void *handle)
2888{
2889	int r, i;
2890	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2891
2892	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2893		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2894		if (r)
2895			return r;
2896	}
2897
2898	for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2899		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2900		if (r)
2901			return r;
2902	}
2903
2904	/* HPD hotplug */
2905	r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2906	if (r)
2907		return r;
2908
2909	adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2910
2911	adev_to_drm(adev)->mode_config.async_page_flip = true;
2912
2913	adev_to_drm(adev)->mode_config.max_width = 16384;
2914	adev_to_drm(adev)->mode_config.max_height = 16384;
2915
2916	adev_to_drm(adev)->mode_config.preferred_depth = 24;
2917	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2918
2919	adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
2920
2921	r = amdgpu_display_modeset_create_props(adev);
2922	if (r)
2923		return r;
2924
2925	adev_to_drm(adev)->mode_config.max_width = 16384;
2926	adev_to_drm(adev)->mode_config.max_height = 16384;
2927
2928
2929	/* allocate crtcs */
2930	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2931		r = dce_v11_0_crtc_init(adev, i);
2932		if (r)
2933			return r;
2934	}
2935
2936	if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2937		amdgpu_display_print_display_setup(adev_to_drm(adev));
2938	else
2939		return -EINVAL;
2940
2941	/* setup afmt */
2942	r = dce_v11_0_afmt_init(adev);
2943	if (r)
2944		return r;
2945
2946	r = dce_v11_0_audio_init(adev);
2947	if (r)
2948		return r;
2949
2950	drm_kms_helper_poll_init(adev_to_drm(adev));
2951
2952	adev->mode_info.mode_config_initialized = true;
2953	return 0;
2954}
2955
2956static int dce_v11_0_sw_fini(void *handle)
2957{
2958	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2959
2960	kfree(adev->mode_info.bios_hardcoded_edid);
2961
2962	drm_kms_helper_poll_fini(adev_to_drm(adev));
2963
2964	dce_v11_0_audio_fini(adev);
2965
2966	dce_v11_0_afmt_fini(adev);
2967
2968	drm_mode_config_cleanup(adev_to_drm(adev));
2969	adev->mode_info.mode_config_initialized = false;
2970
2971	return 0;
2972}
2973
2974static int dce_v11_0_hw_init(void *handle)
2975{
2976	int i;
2977	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2978
2979	dce_v11_0_init_golden_registers(adev);
2980
2981	/* disable vga render */
2982	dce_v11_0_set_vga_render_state(adev, false);
2983	/* init dig PHYs, disp eng pll */
2984	amdgpu_atombios_crtc_powergate_init(adev);
2985	amdgpu_atombios_encoder_init_dig(adev);
2986	if ((adev->asic_type == CHIP_POLARIS10) ||
2987	    (adev->asic_type == CHIP_POLARIS11) ||
2988	    (adev->asic_type == CHIP_POLARIS12) ||
2989	    (adev->asic_type == CHIP_VEGAM)) {
2990		amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
2991						   DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
2992		amdgpu_atombios_crtc_set_dce_clock(adev, 0,
2993						   DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
2994	} else {
2995		amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2996	}
2997
2998	/* initialize hpd */
2999	dce_v11_0_hpd_init(adev);
3000
3001	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3002		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3003	}
3004
3005	dce_v11_0_pageflip_interrupt_init(adev);
3006
3007	return 0;
3008}
3009
3010static int dce_v11_0_hw_fini(void *handle)
3011{
3012	int i;
3013	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3014
3015	dce_v11_0_hpd_fini(adev);
3016
3017	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3018		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3019	}
3020
3021	dce_v11_0_pageflip_interrupt_fini(adev);
3022
3023	return 0;
3024}
3025
3026static int dce_v11_0_suspend(void *handle)
3027{
3028	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3029	int r;
3030
3031	r = amdgpu_display_suspend_helper(adev);
3032	if (r)
3033		return r;
3034
3035	adev->mode_info.bl_level =
3036		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
3037
3038	return dce_v11_0_hw_fini(handle);
3039}
3040
3041static int dce_v11_0_resume(void *handle)
3042{
3043	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3044	int ret;
3045
3046	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
3047							   adev->mode_info.bl_level);
3048
3049	ret = dce_v11_0_hw_init(handle);
3050
 
 
3051	/* turn on the BL */
3052	if (adev->mode_info.bl_encoder) {
3053		u8 bl_level = amdgpu_display_backlight_get_level(adev,
3054								  adev->mode_info.bl_encoder);
3055		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3056						    bl_level);
3057	}
3058	if (ret)
3059		return ret;
3060
3061	return amdgpu_display_resume_helper(adev);
3062}
3063
3064static bool dce_v11_0_is_idle(void *handle)
3065{
3066	return true;
3067}
3068
3069static int dce_v11_0_wait_for_idle(void *handle)
3070{
3071	return 0;
3072}
3073
 
 
 
 
 
 
 
 
3074static int dce_v11_0_soft_reset(void *handle)
3075{
3076	u32 srbm_soft_reset = 0, tmp;
3077	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3078
3079	if (dce_v11_0_is_display_hung(adev))
3080		srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3081
3082	if (srbm_soft_reset) {
 
 
3083		tmp = RREG32(mmSRBM_SOFT_RESET);
3084		tmp |= srbm_soft_reset;
3085		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3086		WREG32(mmSRBM_SOFT_RESET, tmp);
3087		tmp = RREG32(mmSRBM_SOFT_RESET);
3088
3089		udelay(50);
3090
3091		tmp &= ~srbm_soft_reset;
3092		WREG32(mmSRBM_SOFT_RESET, tmp);
3093		tmp = RREG32(mmSRBM_SOFT_RESET);
3094
3095		/* Wait a little for things to settle down */
3096		udelay(50);
 
3097	}
3098	return 0;
3099}
3100
3101static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3102						     int crtc,
3103						     enum amdgpu_interrupt_state state)
3104{
3105	u32 lb_interrupt_mask;
3106
3107	if (crtc >= adev->mode_info.num_crtc) {
3108		DRM_DEBUG("invalid crtc %d\n", crtc);
3109		return;
3110	}
3111
3112	switch (state) {
3113	case AMDGPU_IRQ_STATE_DISABLE:
3114		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3115		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3116						  VBLANK_INTERRUPT_MASK, 0);
3117		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3118		break;
3119	case AMDGPU_IRQ_STATE_ENABLE:
3120		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3121		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3122						  VBLANK_INTERRUPT_MASK, 1);
3123		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3124		break;
3125	default:
3126		break;
3127	}
3128}
3129
3130static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3131						    int crtc,
3132						    enum amdgpu_interrupt_state state)
3133{
3134	u32 lb_interrupt_mask;
3135
3136	if (crtc >= adev->mode_info.num_crtc) {
3137		DRM_DEBUG("invalid crtc %d\n", crtc);
3138		return;
3139	}
3140
3141	switch (state) {
3142	case AMDGPU_IRQ_STATE_DISABLE:
3143		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3144		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3145						  VLINE_INTERRUPT_MASK, 0);
3146		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3147		break;
3148	case AMDGPU_IRQ_STATE_ENABLE:
3149		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3150		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3151						  VLINE_INTERRUPT_MASK, 1);
3152		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3153		break;
3154	default:
3155		break;
3156	}
3157}
3158
3159static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3160					struct amdgpu_irq_src *source,
3161					unsigned hpd,
3162					enum amdgpu_interrupt_state state)
3163{
3164	u32 tmp;
3165
3166	if (hpd >= adev->mode_info.num_hpd) {
3167		DRM_DEBUG("invalid hdp %d\n", hpd);
3168		return 0;
3169	}
3170
3171	switch (state) {
3172	case AMDGPU_IRQ_STATE_DISABLE:
3173		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3174		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3175		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3176		break;
3177	case AMDGPU_IRQ_STATE_ENABLE:
3178		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3179		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3180		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3181		break;
3182	default:
3183		break;
3184	}
3185
3186	return 0;
3187}
3188
3189static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3190					struct amdgpu_irq_src *source,
3191					unsigned type,
3192					enum amdgpu_interrupt_state state)
3193{
3194	switch (type) {
3195	case AMDGPU_CRTC_IRQ_VBLANK1:
3196		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3197		break;
3198	case AMDGPU_CRTC_IRQ_VBLANK2:
3199		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3200		break;
3201	case AMDGPU_CRTC_IRQ_VBLANK3:
3202		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3203		break;
3204	case AMDGPU_CRTC_IRQ_VBLANK4:
3205		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3206		break;
3207	case AMDGPU_CRTC_IRQ_VBLANK5:
3208		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3209		break;
3210	case AMDGPU_CRTC_IRQ_VBLANK6:
3211		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3212		break;
3213	case AMDGPU_CRTC_IRQ_VLINE1:
3214		dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3215		break;
3216	case AMDGPU_CRTC_IRQ_VLINE2:
3217		dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3218		break;
3219	case AMDGPU_CRTC_IRQ_VLINE3:
3220		dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3221		break;
3222	case AMDGPU_CRTC_IRQ_VLINE4:
3223		dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3224		break;
3225	case AMDGPU_CRTC_IRQ_VLINE5:
3226		dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3227		break;
3228	 case AMDGPU_CRTC_IRQ_VLINE6:
3229		dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3230		break;
3231	default:
3232		break;
3233	}
3234	return 0;
3235}
3236
3237static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3238					    struct amdgpu_irq_src *src,
3239					    unsigned type,
3240					    enum amdgpu_interrupt_state state)
3241{
3242	u32 reg;
3243
3244	if (type >= adev->mode_info.num_crtc) {
3245		DRM_ERROR("invalid pageflip crtc %d\n", type);
3246		return -EINVAL;
3247	}
3248
3249	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3250	if (state == AMDGPU_IRQ_STATE_DISABLE)
3251		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3252		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3253	else
3254		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3255		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3256
3257	return 0;
3258}
3259
3260static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3261				  struct amdgpu_irq_src *source,
3262				  struct amdgpu_iv_entry *entry)
3263{
3264	unsigned long flags;
3265	unsigned crtc_id;
3266	struct amdgpu_crtc *amdgpu_crtc;
3267	struct amdgpu_flip_work *works;
3268
3269	crtc_id = (entry->src_id - 8) >> 1;
3270	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3271
3272	if (crtc_id >= adev->mode_info.num_crtc) {
3273		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3274		return -EINVAL;
3275	}
3276
3277	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3278	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3279		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3280		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3281
3282	/* IRQ could occur when in initial stage */
3283	if(amdgpu_crtc == NULL)
3284		return 0;
3285
3286	spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3287	works = amdgpu_crtc->pflip_works;
3288	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3289		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3290						 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3291						 amdgpu_crtc->pflip_status,
3292						 AMDGPU_FLIP_SUBMITTED);
3293		spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3294		return 0;
3295	}
3296
3297	/* page flip completed. clean up */
3298	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3299	amdgpu_crtc->pflip_works = NULL;
3300
3301	/* wakeup usersapce */
3302	if(works->event)
3303		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3304
3305	spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3306
3307	drm_crtc_vblank_put(&amdgpu_crtc->base);
3308	schedule_work(&works->unpin_work);
3309
3310	return 0;
3311}
3312
3313static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3314				  int hpd)
3315{
3316	u32 tmp;
3317
3318	if (hpd >= adev->mode_info.num_hpd) {
3319		DRM_DEBUG("invalid hdp %d\n", hpd);
3320		return;
3321	}
3322
3323	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3324	tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3325	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3326}
3327
3328static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3329					  int crtc)
3330{
3331	u32 tmp;
3332
3333	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3334		DRM_DEBUG("invalid crtc %d\n", crtc);
3335		return;
3336	}
3337
3338	tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3339	tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3340	WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3341}
3342
3343static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3344					 int crtc)
3345{
3346	u32 tmp;
3347
3348	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3349		DRM_DEBUG("invalid crtc %d\n", crtc);
3350		return;
3351	}
3352
3353	tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3354	tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3355	WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3356}
3357
3358static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3359				struct amdgpu_irq_src *source,
3360				struct amdgpu_iv_entry *entry)
3361{
3362	unsigned crtc = entry->src_id - 1;
3363	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3364	unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3365								    crtc);
3366
3367	switch (entry->src_data[0]) {
3368	case 0: /* vblank */
3369		if (disp_int & interrupt_status_offsets[crtc].vblank)
3370			dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3371		else
3372			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3373
3374		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3375			drm_handle_vblank(adev_to_drm(adev), crtc);
3376		}
3377		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3378
3379		break;
3380	case 1: /* vline */
3381		if (disp_int & interrupt_status_offsets[crtc].vline)
3382			dce_v11_0_crtc_vline_int_ack(adev, crtc);
3383		else
3384			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3385
3386		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3387
3388		break;
3389	default:
3390		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3391		break;
3392	}
3393
3394	return 0;
3395}
3396
3397static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3398			     struct amdgpu_irq_src *source,
3399			     struct amdgpu_iv_entry *entry)
3400{
3401	uint32_t disp_int, mask;
3402	unsigned hpd;
3403
3404	if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3405		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3406		return 0;
3407	}
3408
3409	hpd = entry->src_data[0];
3410	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3411	mask = interrupt_status_offsets[hpd].hpd;
3412
3413	if (disp_int & mask) {
3414		dce_v11_0_hpd_int_ack(adev, hpd);
3415		schedule_work(&adev->hotplug_work);
3416		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3417	}
3418
3419	return 0;
3420}
3421
3422static int dce_v11_0_set_clockgating_state(void *handle,
3423					  enum amd_clockgating_state state)
3424{
3425	return 0;
3426}
3427
3428static int dce_v11_0_set_powergating_state(void *handle,
3429					  enum amd_powergating_state state)
3430{
3431	return 0;
3432}
3433
3434static const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3435	.name = "dce_v11_0",
3436	.early_init = dce_v11_0_early_init,
3437	.late_init = NULL,
3438	.sw_init = dce_v11_0_sw_init,
3439	.sw_fini = dce_v11_0_sw_fini,
3440	.hw_init = dce_v11_0_hw_init,
3441	.hw_fini = dce_v11_0_hw_fini,
3442	.suspend = dce_v11_0_suspend,
3443	.resume = dce_v11_0_resume,
3444	.is_idle = dce_v11_0_is_idle,
3445	.wait_for_idle = dce_v11_0_wait_for_idle,
3446	.soft_reset = dce_v11_0_soft_reset,
 
3447	.set_clockgating_state = dce_v11_0_set_clockgating_state,
3448	.set_powergating_state = dce_v11_0_set_powergating_state,
3449};
3450
3451static void
3452dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3453			  struct drm_display_mode *mode,
3454			  struct drm_display_mode *adjusted_mode)
3455{
3456	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3457
3458	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3459
3460	/* need to call this here rather than in prepare() since we need some crtc info */
3461	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3462
3463	/* set scaler clears this on some chips */
3464	dce_v11_0_set_interleave(encoder->crtc, mode);
3465
3466	if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3467		dce_v11_0_afmt_enable(encoder, true);
3468		dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3469	}
3470}
3471
3472static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3473{
3474	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3475	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3476	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3477
3478	if ((amdgpu_encoder->active_device &
3479	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3480	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3481	     ENCODER_OBJECT_ID_NONE)) {
3482		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3483		if (dig) {
3484			dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3485			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3486				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3487		}
3488	}
3489
3490	amdgpu_atombios_scratch_regs_lock(adev, true);
3491
3492	if (connector) {
3493		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3494
3495		/* select the clock/data port if it uses a router */
3496		if (amdgpu_connector->router.cd_valid)
3497			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3498
3499		/* turn eDP panel on for mode set */
3500		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3501			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3502							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3503	}
3504
3505	/* this is needed for the pll/ss setup to work correctly in some cases */
3506	amdgpu_atombios_encoder_set_crtc_source(encoder);
3507	/* set up the FMT blocks */
3508	dce_v11_0_program_fmt(encoder);
3509}
3510
3511static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3512{
3513	struct drm_device *dev = encoder->dev;
3514	struct amdgpu_device *adev = drm_to_adev(dev);
3515
3516	/* need to call this here as we need the crtc set up */
3517	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3518	amdgpu_atombios_scratch_regs_lock(adev, false);
3519}
3520
3521static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3522{
3523	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3524	struct amdgpu_encoder_atom_dig *dig;
3525
3526	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3527
3528	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3529		if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3530			dce_v11_0_afmt_enable(encoder, false);
3531		dig = amdgpu_encoder->enc_priv;
3532		dig->dig_encoder = -1;
3533	}
3534	amdgpu_encoder->active_device = 0;
3535}
3536
3537/* these are handled by the primary encoders */
3538static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3539{
3540
3541}
3542
3543static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3544{
3545
3546}
3547
3548static void
3549dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3550		      struct drm_display_mode *mode,
3551		      struct drm_display_mode *adjusted_mode)
3552{
3553
3554}
3555
3556static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3557{
3558
3559}
3560
3561static void
3562dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3563{
3564
3565}
3566
3567static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3568	.dpms = dce_v11_0_ext_dpms,
3569	.prepare = dce_v11_0_ext_prepare,
3570	.mode_set = dce_v11_0_ext_mode_set,
3571	.commit = dce_v11_0_ext_commit,
3572	.disable = dce_v11_0_ext_disable,
3573	/* no detect for TMDS/LVDS yet */
3574};
3575
3576static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3577	.dpms = amdgpu_atombios_encoder_dpms,
3578	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3579	.prepare = dce_v11_0_encoder_prepare,
3580	.mode_set = dce_v11_0_encoder_mode_set,
3581	.commit = dce_v11_0_encoder_commit,
3582	.disable = dce_v11_0_encoder_disable,
3583	.detect = amdgpu_atombios_encoder_dig_detect,
3584};
3585
3586static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3587	.dpms = amdgpu_atombios_encoder_dpms,
3588	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3589	.prepare = dce_v11_0_encoder_prepare,
3590	.mode_set = dce_v11_0_encoder_mode_set,
3591	.commit = dce_v11_0_encoder_commit,
3592	.detect = amdgpu_atombios_encoder_dac_detect,
3593};
3594
3595static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3596{
3597	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3598	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3599		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3600	kfree(amdgpu_encoder->enc_priv);
3601	drm_encoder_cleanup(encoder);
3602	kfree(amdgpu_encoder);
3603}
3604
3605static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3606	.destroy = dce_v11_0_encoder_destroy,
3607};
3608
3609static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3610				 uint32_t encoder_enum,
3611				 uint32_t supported_device,
3612				 u16 caps)
3613{
3614	struct drm_device *dev = adev_to_drm(adev);
3615	struct drm_encoder *encoder;
3616	struct amdgpu_encoder *amdgpu_encoder;
3617
3618	/* see if we already added it */
3619	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3620		amdgpu_encoder = to_amdgpu_encoder(encoder);
3621		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3622			amdgpu_encoder->devices |= supported_device;
3623			return;
3624		}
3625
3626	}
3627
3628	/* add a new one */
3629	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3630	if (!amdgpu_encoder)
3631		return;
3632
3633	encoder = &amdgpu_encoder->base;
3634	switch (adev->mode_info.num_crtc) {
3635	case 1:
3636		encoder->possible_crtcs = 0x1;
3637		break;
3638	case 2:
3639	default:
3640		encoder->possible_crtcs = 0x3;
3641		break;
3642	case 3:
3643		encoder->possible_crtcs = 0x7;
3644		break;
3645	case 4:
3646		encoder->possible_crtcs = 0xf;
3647		break;
3648	case 5:
3649		encoder->possible_crtcs = 0x1f;
3650		break;
3651	case 6:
3652		encoder->possible_crtcs = 0x3f;
3653		break;
3654	}
3655
3656	amdgpu_encoder->enc_priv = NULL;
3657
3658	amdgpu_encoder->encoder_enum = encoder_enum;
3659	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3660	amdgpu_encoder->devices = supported_device;
3661	amdgpu_encoder->rmx_type = RMX_OFF;
3662	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3663	amdgpu_encoder->is_ext_encoder = false;
3664	amdgpu_encoder->caps = caps;
3665
3666	switch (amdgpu_encoder->encoder_id) {
3667	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3668	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3669		drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3670				 DRM_MODE_ENCODER_DAC, NULL);
3671		drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3672		break;
3673	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3674	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3675	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3676	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3677	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3678		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3679			amdgpu_encoder->rmx_type = RMX_FULL;
3680			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3681					 DRM_MODE_ENCODER_LVDS, NULL);
3682			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3683		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3684			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3685					 DRM_MODE_ENCODER_DAC, NULL);
3686			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3687		} else {
3688			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3689					 DRM_MODE_ENCODER_TMDS, NULL);
3690			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3691		}
3692		drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3693		break;
3694	case ENCODER_OBJECT_ID_SI170B:
3695	case ENCODER_OBJECT_ID_CH7303:
3696	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3697	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3698	case ENCODER_OBJECT_ID_TITFP513:
3699	case ENCODER_OBJECT_ID_VT1623:
3700	case ENCODER_OBJECT_ID_HDMI_SI1930:
3701	case ENCODER_OBJECT_ID_TRAVIS:
3702	case ENCODER_OBJECT_ID_NUTMEG:
3703		/* these are handled by the primary encoders */
3704		amdgpu_encoder->is_ext_encoder = true;
3705		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3706			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3707					 DRM_MODE_ENCODER_LVDS, NULL);
3708		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3709			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3710					 DRM_MODE_ENCODER_DAC, NULL);
3711		else
3712			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3713					 DRM_MODE_ENCODER_TMDS, NULL);
3714		drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3715		break;
3716	}
3717}
3718
3719static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
 
3720	.bandwidth_update = &dce_v11_0_bandwidth_update,
3721	.vblank_get_counter = &dce_v11_0_vblank_get_counter,
 
 
3722	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3723	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3724	.hpd_sense = &dce_v11_0_hpd_sense,
3725	.hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3726	.hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3727	.page_flip = &dce_v11_0_page_flip,
3728	.page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3729	.add_encoder = &dce_v11_0_encoder_add,
3730	.add_connector = &amdgpu_connector_add,
 
 
3731};
3732
3733static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3734{
3735	adev->mode_info.funcs = &dce_v11_0_display_funcs;
 
3736}
3737
3738static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3739	.set = dce_v11_0_set_crtc_irq_state,
3740	.process = dce_v11_0_crtc_irq,
3741};
3742
3743static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3744	.set = dce_v11_0_set_pageflip_irq_state,
3745	.process = dce_v11_0_pageflip_irq,
3746};
3747
3748static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3749	.set = dce_v11_0_set_hpd_irq_state,
3750	.process = dce_v11_0_hpd_irq,
3751};
3752
3753static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3754{
3755	if (adev->mode_info.num_crtc > 0)
3756		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3757	else
3758		adev->crtc_irq.num_types = 0;
3759	adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3760
3761	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3762	adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3763
3764	adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3765	adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3766}
3767
3768const struct amdgpu_ip_block_version dce_v11_0_ip_block =
3769{
3770	.type = AMD_IP_BLOCK_TYPE_DCE,
3771	.major = 11,
3772	.minor = 0,
3773	.rev = 0,
3774	.funcs = &dce_v11_0_ip_funcs,
3775};
3776
3777const struct amdgpu_ip_block_version dce_v11_2_ip_block =
3778{
3779	.type = AMD_IP_BLOCK_TYPE_DCE,
3780	.major = 11,
3781	.minor = 2,
3782	.rev = 0,
3783	.funcs = &dce_v11_0_ip_funcs,
3784};
v4.6
   1/*
   2 * Copyright 2014 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 */
  23#include "drmP.h"
 
 
 
  24#include "amdgpu.h"
  25#include "amdgpu_pm.h"
  26#include "amdgpu_i2c.h"
  27#include "vid.h"
  28#include "atom.h"
  29#include "amdgpu_atombios.h"
  30#include "atombios_crtc.h"
  31#include "atombios_encoders.h"
  32#include "amdgpu_pll.h"
  33#include "amdgpu_connectors.h"
 
 
  34
  35#include "dce/dce_11_0_d.h"
  36#include "dce/dce_11_0_sh_mask.h"
  37#include "dce/dce_11_0_enum.h"
  38#include "oss/oss_3_0_d.h"
  39#include "oss/oss_3_0_sh_mask.h"
  40#include "gmc/gmc_8_1_d.h"
  41#include "gmc/gmc_8_1_sh_mask.h"
  42
 
 
  43static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
  44static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
  45
  46static const u32 crtc_offsets[] =
  47{
  48	CRTC0_REGISTER_OFFSET,
  49	CRTC1_REGISTER_OFFSET,
  50	CRTC2_REGISTER_OFFSET,
  51	CRTC3_REGISTER_OFFSET,
  52	CRTC4_REGISTER_OFFSET,
  53	CRTC5_REGISTER_OFFSET,
  54	CRTC6_REGISTER_OFFSET
  55};
  56
  57static const u32 hpd_offsets[] =
  58{
  59	HPD0_REGISTER_OFFSET,
  60	HPD1_REGISTER_OFFSET,
  61	HPD2_REGISTER_OFFSET,
  62	HPD3_REGISTER_OFFSET,
  63	HPD4_REGISTER_OFFSET,
  64	HPD5_REGISTER_OFFSET
  65};
  66
  67static const uint32_t dig_offsets[] = {
  68	DIG0_REGISTER_OFFSET,
  69	DIG1_REGISTER_OFFSET,
  70	DIG2_REGISTER_OFFSET,
  71	DIG3_REGISTER_OFFSET,
  72	DIG4_REGISTER_OFFSET,
  73	DIG5_REGISTER_OFFSET,
  74	DIG6_REGISTER_OFFSET,
  75	DIG7_REGISTER_OFFSET,
  76	DIG8_REGISTER_OFFSET
  77};
  78
  79static const struct {
  80	uint32_t        reg;
  81	uint32_t        vblank;
  82	uint32_t        vline;
  83	uint32_t        hpd;
  84
  85} interrupt_status_offsets[] = { {
  86	.reg = mmDISP_INTERRUPT_STATUS,
  87	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
  88	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
  89	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
  90}, {
  91	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
  92	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
  93	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
  94	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
  95}, {
  96	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
  97	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
  98	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
  99	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
 100}, {
 101	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
 102	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
 103	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
 104	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
 105}, {
 106	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
 107	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
 108	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
 109	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
 110}, {
 111	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
 112	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
 113	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
 114	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
 115} };
 116
 117static const u32 cz_golden_settings_a11[] =
 118{
 119	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
 120	mmFBC_MISC, 0x1f311fff, 0x14300000,
 121};
 122
 123static const u32 cz_mgcg_cgcg_init[] =
 124{
 125	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 126	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 127};
 128
 129static const u32 stoney_golden_settings_a11[] =
 130{
 131	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
 132	mmFBC_MISC, 0x1f311fff, 0x14302000,
 133};
 134
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 135
 136static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
 137{
 138	switch (adev->asic_type) {
 139	case CHIP_CARRIZO:
 140		amdgpu_program_register_sequence(adev,
 141						 cz_mgcg_cgcg_init,
 142						 (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init));
 143		amdgpu_program_register_sequence(adev,
 144						 cz_golden_settings_a11,
 145						 (const u32)ARRAY_SIZE(cz_golden_settings_a11));
 146		break;
 147	case CHIP_STONEY:
 148		amdgpu_program_register_sequence(adev,
 149						 stoney_golden_settings_a11,
 150						 (const u32)ARRAY_SIZE(stoney_golden_settings_a11));
 
 
 
 
 
 
 
 
 
 
 
 
 151		break;
 152	default:
 153		break;
 154	}
 155}
 156
 157static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
 158				     u32 block_offset, u32 reg)
 159{
 160	unsigned long flags;
 161	u32 r;
 162
 163	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 164	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 165	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 166	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 167
 168	return r;
 169}
 170
 171static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
 172				      u32 block_offset, u32 reg, u32 v)
 173{
 174	unsigned long flags;
 175
 176	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 177	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 178	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 179	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 180}
 181
 182static bool dce_v11_0_is_in_vblank(struct amdgpu_device *adev, int crtc)
 183{
 184	if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) &
 185			CRTC_V_BLANK_START_END__CRTC_V_BLANK_START_MASK)
 186		return true;
 187	else
 188		return false;
 189}
 190
 191static bool dce_v11_0_is_counter_moving(struct amdgpu_device *adev, int crtc)
 192{
 193	u32 pos1, pos2;
 194
 195	pos1 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 196	pos2 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 197
 198	if (pos1 != pos2)
 199		return true;
 200	else
 201		return false;
 202}
 203
 204/**
 205 * dce_v11_0_vblank_wait - vblank wait asic callback.
 206 *
 207 * @adev: amdgpu_device pointer
 208 * @crtc: crtc to wait for vblank on
 209 *
 210 * Wait for vblank on the requested crtc (evergreen+).
 211 */
 212static void dce_v11_0_vblank_wait(struct amdgpu_device *adev, int crtc)
 213{
 214	unsigned i = 100;
 215
 216	if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
 217		return;
 218
 219	if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK))
 220		return;
 221
 222	/* depending on when we hit vblank, we may be close to active; if so,
 223	 * wait for another frame.
 224	 */
 225	while (dce_v11_0_is_in_vblank(adev, crtc)) {
 226		if (i++ == 100) {
 227			i = 0;
 228			if (!dce_v11_0_is_counter_moving(adev, crtc))
 229				break;
 230		}
 231	}
 232
 233	while (!dce_v11_0_is_in_vblank(adev, crtc)) {
 234		if (i++ == 100) {
 235			i = 0;
 236			if (!dce_v11_0_is_counter_moving(adev, crtc))
 237				break;
 238		}
 239	}
 240}
 241
 242static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 243{
 244	if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
 245		return 0;
 246	else
 247		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 248}
 249
 250static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 251{
 252	unsigned i;
 253
 254	/* Enable pflip interrupts */
 255	for (i = 0; i < adev->mode_info.num_crtc; i++)
 256		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 257}
 258
 259static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 260{
 261	unsigned i;
 262
 263	/* Disable pflip interrupts */
 264	for (i = 0; i < adev->mode_info.num_crtc; i++)
 265		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 266}
 267
 268/**
 269 * dce_v11_0_page_flip - pageflip callback.
 270 *
 271 * @adev: amdgpu_device pointer
 272 * @crtc_id: crtc to cleanup pageflip on
 273 * @crtc_base: new address of the crtc (GPU MC address)
 
 274 *
 275 * Triggers the actual pageflip by updating the primary
 276 * surface base address.
 277 */
 278static void dce_v11_0_page_flip(struct amdgpu_device *adev,
 279			      int crtc_id, u64 crtc_base)
 280{
 281	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 
 
 282
 
 
 
 
 
 
 
 
 283	/* update the scanout addresses */
 284	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 285	       upper_32_bits(crtc_base));
 286	/* writing to the low address triggers the update */
 287	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 288	       lower_32_bits(crtc_base));
 289	/* post the write */
 290	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 291}
 292
 293static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 294					u32 *vbl, u32 *position)
 295{
 296	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 297		return -EINVAL;
 298
 299	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 300	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 301
 302	return 0;
 303}
 304
 305/**
 306 * dce_v11_0_hpd_sense - hpd sense callback.
 307 *
 308 * @adev: amdgpu_device pointer
 309 * @hpd: hpd (hotplug detect) pin
 310 *
 311 * Checks if a digital monitor is connected (evergreen+).
 312 * Returns true if connected, false if not connected.
 313 */
 314static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
 315			       enum amdgpu_hpd_id hpd)
 316{
 317	int idx;
 318	bool connected = false;
 319
 320	switch (hpd) {
 321	case AMDGPU_HPD_1:
 322		idx = 0;
 323		break;
 324	case AMDGPU_HPD_2:
 325		idx = 1;
 326		break;
 327	case AMDGPU_HPD_3:
 328		idx = 2;
 329		break;
 330	case AMDGPU_HPD_4:
 331		idx = 3;
 332		break;
 333	case AMDGPU_HPD_5:
 334		idx = 4;
 335		break;
 336	case AMDGPU_HPD_6:
 337		idx = 5;
 338		break;
 339	default:
 340		return connected;
 341	}
 342
 343	if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[idx]) &
 344	    DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
 345		connected = true;
 346
 347	return connected;
 348}
 349
 350/**
 351 * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
 352 *
 353 * @adev: amdgpu_device pointer
 354 * @hpd: hpd (hotplug detect) pin
 355 *
 356 * Set the polarity of the hpd pin (evergreen+).
 357 */
 358static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
 359				      enum amdgpu_hpd_id hpd)
 360{
 361	u32 tmp;
 362	bool connected = dce_v11_0_hpd_sense(adev, hpd);
 363	int idx;
 364
 365	switch (hpd) {
 366	case AMDGPU_HPD_1:
 367		idx = 0;
 368		break;
 369	case AMDGPU_HPD_2:
 370		idx = 1;
 371		break;
 372	case AMDGPU_HPD_3:
 373		idx = 2;
 374		break;
 375	case AMDGPU_HPD_4:
 376		idx = 3;
 377		break;
 378	case AMDGPU_HPD_5:
 379		idx = 4;
 380		break;
 381	case AMDGPU_HPD_6:
 382		idx = 5;
 383		break;
 384	default:
 385		return;
 386	}
 387
 388	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx]);
 389	if (connected)
 390		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
 391	else
 392		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
 393	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx], tmp);
 394}
 395
 396/**
 397 * dce_v11_0_hpd_init - hpd setup callback.
 398 *
 399 * @adev: amdgpu_device pointer
 400 *
 401 * Setup the hpd pins used by the card (evergreen+).
 402 * Enable the pin, set the polarity, and enable the hpd interrupts.
 403 */
 404static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
 405{
 406	struct drm_device *dev = adev->ddev;
 407	struct drm_connector *connector;
 
 408	u32 tmp;
 409	int idx;
 410
 411	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 
 412		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 413
 
 
 
 414		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 415		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 416			/* don't try to enable hpd on eDP or LVDS avoid breaking the
 417			 * aux dp channel on imac and help (but not completely fix)
 418			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 419			 * also avoid interrupt storms during dpms.
 420			 */
 
 
 
 421			continue;
 422		}
 423
 424		switch (amdgpu_connector->hpd.hpd) {
 425		case AMDGPU_HPD_1:
 426			idx = 0;
 427			break;
 428		case AMDGPU_HPD_2:
 429			idx = 1;
 430			break;
 431		case AMDGPU_HPD_3:
 432			idx = 2;
 433			break;
 434		case AMDGPU_HPD_4:
 435			idx = 3;
 436			break;
 437		case AMDGPU_HPD_5:
 438			idx = 4;
 439			break;
 440		case AMDGPU_HPD_6:
 441			idx = 5;
 442			break;
 443		default:
 444			continue;
 445		}
 446
 447		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
 448		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
 449		WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
 450
 451		tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx]);
 452		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 453				    DC_HPD_CONNECT_INT_DELAY,
 454				    AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
 455		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 456				    DC_HPD_DISCONNECT_INT_DELAY,
 457				    AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
 458		WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx], tmp);
 459
 460		dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 461		amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 462	}
 
 463}
 464
 465/**
 466 * dce_v11_0_hpd_fini - hpd tear down callback.
 467 *
 468 * @adev: amdgpu_device pointer
 469 *
 470 * Tear down the hpd pins used by the card (evergreen+).
 471 * Disable the hpd interrupts.
 472 */
 473static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
 474{
 475	struct drm_device *dev = adev->ddev;
 476	struct drm_connector *connector;
 
 477	u32 tmp;
 478	int idx;
 479
 480	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 
 481		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 482
 483		switch (amdgpu_connector->hpd.hpd) {
 484		case AMDGPU_HPD_1:
 485			idx = 0;
 486			break;
 487		case AMDGPU_HPD_2:
 488			idx = 1;
 489			break;
 490		case AMDGPU_HPD_3:
 491			idx = 2;
 492			break;
 493		case AMDGPU_HPD_4:
 494			idx = 3;
 495			break;
 496		case AMDGPU_HPD_5:
 497			idx = 4;
 498			break;
 499		case AMDGPU_HPD_6:
 500			idx = 5;
 501			break;
 502		default:
 503			continue;
 504		}
 505
 506		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
 507		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
 508		WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
 509
 510		amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 511	}
 
 512}
 513
 514static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 515{
 516	return mmDC_GPIO_HPD_A;
 517}
 518
 519static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
 520{
 521	u32 crtc_hung = 0;
 522	u32 crtc_status[6];
 523	u32 i, j, tmp;
 524
 525	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 526		tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 527		if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
 528			crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 529			crtc_hung |= (1 << i);
 530		}
 531	}
 532
 533	for (j = 0; j < 10; j++) {
 534		for (i = 0; i < adev->mode_info.num_crtc; i++) {
 535			if (crtc_hung & (1 << i)) {
 536				tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 537				if (tmp != crtc_status[i])
 538					crtc_hung &= ~(1 << i);
 539			}
 540		}
 541		if (crtc_hung == 0)
 542			return false;
 543		udelay(100);
 544	}
 545
 546	return true;
 547}
 548
 549static void dce_v11_0_stop_mc_access(struct amdgpu_device *adev,
 550				     struct amdgpu_mode_mc_save *save)
 551{
 552	u32 crtc_enabled, tmp;
 553	int i;
 554
 555	save->vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
 556	save->vga_hdp_control = RREG32(mmVGA_HDP_CONTROL);
 557
 558	/* disable VGA render */
 559	tmp = RREG32(mmVGA_RENDER_CONTROL);
 560	tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 561	WREG32(mmVGA_RENDER_CONTROL, tmp);
 562
 563	/* blank the display controllers */
 564	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 565		crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
 566					     CRTC_CONTROL, CRTC_MASTER_EN);
 567		if (crtc_enabled) {
 568#if 0
 569			u32 frame_count;
 570			int j;
 571
 572			save->crtc_enabled[i] = true;
 573			tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
 574			if (REG_GET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN) == 0) {
 575				amdgpu_display_vblank_wait(adev, i);
 576				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 577				tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 1);
 578				WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
 579				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 580			}
 581			/* wait for the next frame */
 582			frame_count = amdgpu_display_vblank_get_counter(adev, i);
 583			for (j = 0; j < adev->usec_timeout; j++) {
 584				if (amdgpu_display_vblank_get_counter(adev, i) != frame_count)
 585					break;
 586				udelay(1);
 587			}
 588			tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
 589			if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK) == 0) {
 590				tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 1);
 591				WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
 592			}
 593			tmp = RREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i]);
 594			if (REG_GET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK) == 0) {
 595				tmp = REG_SET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 1);
 596				WREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
 597			}
 598#else
 599			/* XXX this is a hack to avoid strange behavior with EFI on certain systems */
 600			WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 601			tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 602			tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
 603			WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 604			WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 605			save->crtc_enabled[i] = false;
 606			/* ***** */
 607#endif
 608		} else {
 609			save->crtc_enabled[i] = false;
 610		}
 611	}
 612}
 613
 614static void dce_v11_0_resume_mc_access(struct amdgpu_device *adev,
 615				       struct amdgpu_mode_mc_save *save)
 616{
 617	u32 tmp, frame_count;
 618	int i, j;
 619
 620	/* update crtc base addresses */
 621	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 622		WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
 623		       upper_32_bits(adev->mc.vram_start));
 624		WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
 625		       upper_32_bits(adev->mc.vram_start));
 626		WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
 627		       (u32)adev->mc.vram_start);
 628		WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
 629		       (u32)adev->mc.vram_start);
 630
 631		if (save->crtc_enabled[i]) {
 632			tmp = RREG32(mmCRTC_MASTER_UPDATE_MODE + crtc_offsets[i]);
 633			if (REG_GET_FIELD(tmp, CRTC_MASTER_UPDATE_MODE, MASTER_UPDATE_MODE) != 3) {
 634				tmp = REG_SET_FIELD(tmp, CRTC_MASTER_UPDATE_MODE, MASTER_UPDATE_MODE, 3);
 635				WREG32(mmCRTC_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
 636			}
 637			tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
 638			if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK)) {
 639				tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 0);
 640				WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
 641			}
 642			tmp = RREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i]);
 643			if (REG_GET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK)) {
 644				tmp = REG_SET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 0);
 645				WREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
 646			}
 647			for (j = 0; j < adev->usec_timeout; j++) {
 648				tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
 649				if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_SURFACE_UPDATE_PENDING) == 0)
 650					break;
 651				udelay(1);
 652			}
 653			tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
 654			tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 0);
 655			WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 656			WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
 657			WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 658			/* wait for the next frame */
 659			frame_count = amdgpu_display_vblank_get_counter(adev, i);
 660			for (j = 0; j < adev->usec_timeout; j++) {
 661				if (amdgpu_display_vblank_get_counter(adev, i) != frame_count)
 662					break;
 663				udelay(1);
 664			}
 665		}
 666	}
 667
 668	WREG32(mmVGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(adev->mc.vram_start));
 669	WREG32(mmVGA_MEMORY_BASE_ADDRESS, lower_32_bits(adev->mc.vram_start));
 670
 671	/* Unlock vga access */
 672	WREG32(mmVGA_HDP_CONTROL, save->vga_hdp_control);
 673	mdelay(1);
 674	WREG32(mmVGA_RENDER_CONTROL, save->vga_render_control);
 675}
 676
 677static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
 678					   bool render)
 679{
 680	u32 tmp;
 681
 682	/* Lockout access through VGA aperture*/
 683	tmp = RREG32(mmVGA_HDP_CONTROL);
 684	if (render)
 685		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
 686	else
 687		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
 688	WREG32(mmVGA_HDP_CONTROL, tmp);
 689
 690	/* disable VGA render */
 691	tmp = RREG32(mmVGA_RENDER_CONTROL);
 692	if (render)
 693		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
 694	else
 695		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 696	WREG32(mmVGA_RENDER_CONTROL, tmp);
 697}
 698
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 699static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
 700{
 701	struct drm_device *dev = encoder->dev;
 702	struct amdgpu_device *adev = dev->dev_private;
 703	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 704	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 705	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 706	int bpc = 0;
 707	u32 tmp = 0;
 708	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 709
 710	if (connector) {
 711		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 712		bpc = amdgpu_connector_get_monitor_bpc(connector);
 713		dither = amdgpu_connector->dither;
 714	}
 715
 716	/* LVDS/eDP FMT is set up by atom */
 717	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 718		return;
 719
 720	/* not needed for analog */
 721	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 722	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 723		return;
 724
 725	if (bpc == 0)
 726		return;
 727
 728	switch (bpc) {
 729	case 6:
 730		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 731			/* XXX sort out optimal dither settings */
 732			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 733			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 734			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 735			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
 736		} else {
 737			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 738			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
 739		}
 740		break;
 741	case 8:
 742		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 743			/* XXX sort out optimal dither settings */
 744			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 745			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 746			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 747			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 748			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
 749		} else {
 750			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 751			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
 752		}
 753		break;
 754	case 10:
 755		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 756			/* XXX sort out optimal dither settings */
 757			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 758			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 759			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 760			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 761			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
 762		} else {
 763			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 764			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
 765		}
 766		break;
 767	default:
 768		/* not needed */
 769		break;
 770	}
 771
 772	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 773}
 774
 775
 776/* display watermark setup */
 777/**
 778 * dce_v11_0_line_buffer_adjust - Set up the line buffer
 779 *
 780 * @adev: amdgpu_device pointer
 781 * @amdgpu_crtc: the selected display controller
 782 * @mode: the current display mode on the selected display
 783 * controller
 784 *
 785 * Setup up the line buffer allocation for
 786 * the selected display controller (CIK).
 787 * Returns the line buffer size in pixels.
 788 */
 789static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
 790				       struct amdgpu_crtc *amdgpu_crtc,
 791				       struct drm_display_mode *mode)
 792{
 793	u32 tmp, buffer_alloc, i, mem_cfg;
 794	u32 pipe_offset = amdgpu_crtc->crtc_id;
 795	/*
 796	 * Line Buffer Setup
 797	 * There are 6 line buffers, one for each display controllers.
 798	 * There are 3 partitions per LB. Select the number of partitions
 799	 * to enable based on the display width.  For display widths larger
 800	 * than 4096, you need use to use 2 display controllers and combine
 801	 * them using the stereo blender.
 802	 */
 803	if (amdgpu_crtc->base.enabled && mode) {
 804		if (mode->crtc_hdisplay < 1920) {
 805			mem_cfg = 1;
 806			buffer_alloc = 2;
 807		} else if (mode->crtc_hdisplay < 2560) {
 808			mem_cfg = 2;
 809			buffer_alloc = 2;
 810		} else if (mode->crtc_hdisplay < 4096) {
 811			mem_cfg = 0;
 812			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 813		} else {
 814			DRM_DEBUG_KMS("Mode too big for LB!\n");
 815			mem_cfg = 0;
 816			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 817		}
 818	} else {
 819		mem_cfg = 1;
 820		buffer_alloc = 0;
 821	}
 822
 823	tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
 824	tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
 825	WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
 826
 827	tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 828	tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
 829	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
 830
 831	for (i = 0; i < adev->usec_timeout; i++) {
 832		tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 833		if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
 834			break;
 835		udelay(1);
 836	}
 837
 838	if (amdgpu_crtc->base.enabled && mode) {
 839		switch (mem_cfg) {
 840		case 0:
 841		default:
 842			return 4096 * 2;
 843		case 1:
 844			return 1920 * 2;
 845		case 2:
 846			return 2560 * 2;
 847		}
 848	}
 849
 850	/* controller not enabled, so no lb used */
 851	return 0;
 852}
 853
 854/**
 855 * cik_get_number_of_dram_channels - get the number of dram channels
 856 *
 857 * @adev: amdgpu_device pointer
 858 *
 859 * Look up the number of video ram channels (CIK).
 860 * Used for display watermark bandwidth calculations
 861 * Returns the number of dram channels
 862 */
 863static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
 864{
 865	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 866
 867	switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
 868	case 0:
 869	default:
 870		return 1;
 871	case 1:
 872		return 2;
 873	case 2:
 874		return 4;
 875	case 3:
 876		return 8;
 877	case 4:
 878		return 3;
 879	case 5:
 880		return 6;
 881	case 6:
 882		return 10;
 883	case 7:
 884		return 12;
 885	case 8:
 886		return 16;
 887	}
 888}
 889
 890struct dce10_wm_params {
 891	u32 dram_channels; /* number of dram channels */
 892	u32 yclk;          /* bandwidth per dram data pin in kHz */
 893	u32 sclk;          /* engine clock in kHz */
 894	u32 disp_clk;      /* display clock in kHz */
 895	u32 src_width;     /* viewport width */
 896	u32 active_time;   /* active display time in ns */
 897	u32 blank_time;    /* blank time in ns */
 898	bool interlaced;    /* mode is interlaced */
 899	fixed20_12 vsc;    /* vertical scale ratio */
 900	u32 num_heads;     /* number of active crtcs */
 901	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 902	u32 lb_size;       /* line buffer allocated to pipe */
 903	u32 vtaps;         /* vertical scaler taps */
 904};
 905
 906/**
 907 * dce_v11_0_dram_bandwidth - get the dram bandwidth
 908 *
 909 * @wm: watermark calculation data
 910 *
 911 * Calculate the raw dram bandwidth (CIK).
 912 * Used for display watermark bandwidth calculations
 913 * Returns the dram bandwidth in MBytes/s
 914 */
 915static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
 916{
 917	/* Calculate raw DRAM Bandwidth */
 918	fixed20_12 dram_efficiency; /* 0.7 */
 919	fixed20_12 yclk, dram_channels, bandwidth;
 920	fixed20_12 a;
 921
 922	a.full = dfixed_const(1000);
 923	yclk.full = dfixed_const(wm->yclk);
 924	yclk.full = dfixed_div(yclk, a);
 925	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 926	a.full = dfixed_const(10);
 927	dram_efficiency.full = dfixed_const(7);
 928	dram_efficiency.full = dfixed_div(dram_efficiency, a);
 929	bandwidth.full = dfixed_mul(dram_channels, yclk);
 930	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 931
 932	return dfixed_trunc(bandwidth);
 933}
 934
 935/**
 936 * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
 937 *
 938 * @wm: watermark calculation data
 939 *
 940 * Calculate the dram bandwidth used for display (CIK).
 941 * Used for display watermark bandwidth calculations
 942 * Returns the dram bandwidth for display in MBytes/s
 943 */
 944static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 945{
 946	/* Calculate DRAM Bandwidth and the part allocated to display. */
 947	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 948	fixed20_12 yclk, dram_channels, bandwidth;
 949	fixed20_12 a;
 950
 951	a.full = dfixed_const(1000);
 952	yclk.full = dfixed_const(wm->yclk);
 953	yclk.full = dfixed_div(yclk, a);
 954	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 955	a.full = dfixed_const(10);
 956	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 957	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 958	bandwidth.full = dfixed_mul(dram_channels, yclk);
 959	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 960
 961	return dfixed_trunc(bandwidth);
 962}
 963
 964/**
 965 * dce_v11_0_data_return_bandwidth - get the data return bandwidth
 966 *
 967 * @wm: watermark calculation data
 968 *
 969 * Calculate the data return bandwidth used for display (CIK).
 970 * Used for display watermark bandwidth calculations
 971 * Returns the data return bandwidth in MBytes/s
 972 */
 973static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
 974{
 975	/* Calculate the display Data return Bandwidth */
 976	fixed20_12 return_efficiency; /* 0.8 */
 977	fixed20_12 sclk, bandwidth;
 978	fixed20_12 a;
 979
 980	a.full = dfixed_const(1000);
 981	sclk.full = dfixed_const(wm->sclk);
 982	sclk.full = dfixed_div(sclk, a);
 983	a.full = dfixed_const(10);
 984	return_efficiency.full = dfixed_const(8);
 985	return_efficiency.full = dfixed_div(return_efficiency, a);
 986	a.full = dfixed_const(32);
 987	bandwidth.full = dfixed_mul(a, sclk);
 988	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 989
 990	return dfixed_trunc(bandwidth);
 991}
 992
 993/**
 994 * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
 995 *
 996 * @wm: watermark calculation data
 997 *
 998 * Calculate the dmif bandwidth used for display (CIK).
 999 * Used for display watermark bandwidth calculations
1000 * Returns the dmif bandwidth in MBytes/s
1001 */
1002static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
1003{
1004	/* Calculate the DMIF Request Bandwidth */
1005	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
1006	fixed20_12 disp_clk, bandwidth;
1007	fixed20_12 a, b;
1008
1009	a.full = dfixed_const(1000);
1010	disp_clk.full = dfixed_const(wm->disp_clk);
1011	disp_clk.full = dfixed_div(disp_clk, a);
1012	a.full = dfixed_const(32);
1013	b.full = dfixed_mul(a, disp_clk);
1014
1015	a.full = dfixed_const(10);
1016	disp_clk_request_efficiency.full = dfixed_const(8);
1017	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
1018
1019	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
1020
1021	return dfixed_trunc(bandwidth);
1022}
1023
1024/**
1025 * dce_v11_0_available_bandwidth - get the min available bandwidth
1026 *
1027 * @wm: watermark calculation data
1028 *
1029 * Calculate the min available bandwidth used for display (CIK).
1030 * Used for display watermark bandwidth calculations
1031 * Returns the min available bandwidth in MBytes/s
1032 */
1033static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
1034{
1035	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
1036	u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
1037	u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
1038	u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
1039
1040	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
1041}
1042
1043/**
1044 * dce_v11_0_average_bandwidth - get the average available bandwidth
1045 *
1046 * @wm: watermark calculation data
1047 *
1048 * Calculate the average available bandwidth used for display (CIK).
1049 * Used for display watermark bandwidth calculations
1050 * Returns the average available bandwidth in MBytes/s
1051 */
1052static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
1053{
1054	/* Calculate the display mode Average Bandwidth
1055	 * DisplayMode should contain the source and destination dimensions,
1056	 * timing, etc.
1057	 */
1058	fixed20_12 bpp;
1059	fixed20_12 line_time;
1060	fixed20_12 src_width;
1061	fixed20_12 bandwidth;
1062	fixed20_12 a;
1063
1064	a.full = dfixed_const(1000);
1065	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
1066	line_time.full = dfixed_div(line_time, a);
1067	bpp.full = dfixed_const(wm->bytes_per_pixel);
1068	src_width.full = dfixed_const(wm->src_width);
1069	bandwidth.full = dfixed_mul(src_width, bpp);
1070	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
1071	bandwidth.full = dfixed_div(bandwidth, line_time);
1072
1073	return dfixed_trunc(bandwidth);
1074}
1075
1076/**
1077 * dce_v11_0_latency_watermark - get the latency watermark
1078 *
1079 * @wm: watermark calculation data
1080 *
1081 * Calculate the latency watermark (CIK).
1082 * Used for display watermark bandwidth calculations
1083 * Returns the latency watermark in ns
1084 */
1085static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
1086{
1087	/* First calculate the latency in ns */
1088	u32 mc_latency = 2000; /* 2000 ns. */
1089	u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
1090	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
1091	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
1092	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
1093	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
1094		(wm->num_heads * cursor_line_pair_return_time);
1095	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
1096	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
1097	u32 tmp, dmif_size = 12288;
1098	fixed20_12 a, b, c;
1099
1100	if (wm->num_heads == 0)
1101		return 0;
1102
1103	a.full = dfixed_const(2);
1104	b.full = dfixed_const(1);
1105	if ((wm->vsc.full > a.full) ||
1106	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
1107	    (wm->vtaps >= 5) ||
1108	    ((wm->vsc.full >= a.full) && wm->interlaced))
1109		max_src_lines_per_dst_line = 4;
1110	else
1111		max_src_lines_per_dst_line = 2;
1112
1113	a.full = dfixed_const(available_bandwidth);
1114	b.full = dfixed_const(wm->num_heads);
1115	a.full = dfixed_div(a, b);
 
 
1116
1117	b.full = dfixed_const(mc_latency + 512);
1118	c.full = dfixed_const(wm->disp_clk);
1119	b.full = dfixed_div(b, c);
1120
1121	c.full = dfixed_const(dmif_size);
1122	b.full = dfixed_div(c, b);
1123
1124	tmp = min(dfixed_trunc(a), dfixed_trunc(b));
1125
1126	b.full = dfixed_const(1000);
1127	c.full = dfixed_const(wm->disp_clk);
1128	b.full = dfixed_div(c, b);
1129	c.full = dfixed_const(wm->bytes_per_pixel);
1130	b.full = dfixed_mul(b, c);
1131
1132	lb_fill_bw = min(tmp, dfixed_trunc(b));
1133
1134	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
1135	b.full = dfixed_const(1000);
1136	c.full = dfixed_const(lb_fill_bw);
1137	b.full = dfixed_div(c, b);
1138	a.full = dfixed_div(a, b);
1139	line_fill_time = dfixed_trunc(a);
1140
1141	if (line_fill_time < wm->active_time)
1142		return latency;
1143	else
1144		return latency + (line_fill_time - wm->active_time);
1145
1146}
1147
1148/**
1149 * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
1150 * average and available dram bandwidth
1151 *
1152 * @wm: watermark calculation data
1153 *
1154 * Check if the display average bandwidth fits in the display
1155 * dram bandwidth (CIK).
1156 * Used for display watermark bandwidth calculations
1157 * Returns true if the display fits, false if not.
1158 */
1159static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
1160{
1161	if (dce_v11_0_average_bandwidth(wm) <=
1162	    (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
1163		return true;
1164	else
1165		return false;
1166}
1167
1168/**
1169 * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
1170 * average and available bandwidth
1171 *
1172 * @wm: watermark calculation data
1173 *
1174 * Check if the display average bandwidth fits in the display
1175 * available bandwidth (CIK).
1176 * Used for display watermark bandwidth calculations
1177 * Returns true if the display fits, false if not.
1178 */
1179static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
1180{
1181	if (dce_v11_0_average_bandwidth(wm) <=
1182	    (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1183		return true;
1184	else
1185		return false;
1186}
1187
1188/**
1189 * dce_v11_0_check_latency_hiding - check latency hiding
1190 *
1191 * @wm: watermark calculation data
1192 *
1193 * Check latency hiding (CIK).
1194 * Used for display watermark bandwidth calculations
1195 * Returns true if the display fits, false if not.
1196 */
1197static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1198{
1199	u32 lb_partitions = wm->lb_size / wm->src_width;
1200	u32 line_time = wm->active_time + wm->blank_time;
1201	u32 latency_tolerant_lines;
1202	u32 latency_hiding;
1203	fixed20_12 a;
1204
1205	a.full = dfixed_const(1);
1206	if (wm->vsc.full > a.full)
1207		latency_tolerant_lines = 1;
1208	else {
1209		if (lb_partitions <= (wm->vtaps + 1))
1210			latency_tolerant_lines = 1;
1211		else
1212			latency_tolerant_lines = 2;
1213	}
1214
1215	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1216
1217	if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1218		return true;
1219	else
1220		return false;
1221}
1222
1223/**
1224 * dce_v11_0_program_watermarks - program display watermarks
1225 *
1226 * @adev: amdgpu_device pointer
1227 * @amdgpu_crtc: the selected display controller
1228 * @lb_size: line buffer size
1229 * @num_heads: number of display controllers in use
1230 *
1231 * Calculate and program the display watermarks for the
1232 * selected display controller (CIK).
1233 */
1234static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1235					struct amdgpu_crtc *amdgpu_crtc,
1236					u32 lb_size, u32 num_heads)
1237{
1238	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1239	struct dce10_wm_params wm_low, wm_high;
1240	u32 pixel_period;
1241	u32 line_time = 0;
1242	u32 latency_watermark_a = 0, latency_watermark_b = 0;
1243	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1244
1245	if (amdgpu_crtc->base.enabled && num_heads && mode) {
1246		pixel_period = 1000000 / (u32)mode->clock;
1247		line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
 
 
 
1248
1249		/* watermark for high clocks */
1250		if (adev->pm.dpm_enabled) {
1251			wm_high.yclk =
1252				amdgpu_dpm_get_mclk(adev, false) * 10;
1253			wm_high.sclk =
1254				amdgpu_dpm_get_sclk(adev, false) * 10;
1255		} else {
1256			wm_high.yclk = adev->pm.current_mclk * 10;
1257			wm_high.sclk = adev->pm.current_sclk * 10;
1258		}
1259
1260		wm_high.disp_clk = mode->clock;
1261		wm_high.src_width = mode->crtc_hdisplay;
1262		wm_high.active_time = mode->crtc_hdisplay * pixel_period;
1263		wm_high.blank_time = line_time - wm_high.active_time;
1264		wm_high.interlaced = false;
1265		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1266			wm_high.interlaced = true;
1267		wm_high.vsc = amdgpu_crtc->vsc;
1268		wm_high.vtaps = 1;
1269		if (amdgpu_crtc->rmx_type != RMX_OFF)
1270			wm_high.vtaps = 2;
1271		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1272		wm_high.lb_size = lb_size;
1273		wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1274		wm_high.num_heads = num_heads;
1275
1276		/* set for high clocks */
1277		latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535);
1278
1279		/* possibly force display priority to high */
1280		/* should really do this at mode validation time... */
1281		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1282		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1283		    !dce_v11_0_check_latency_hiding(&wm_high) ||
1284		    (adev->mode_info.disp_priority == 2)) {
1285			DRM_DEBUG_KMS("force priority to high\n");
1286		}
1287
1288		/* watermark for low clocks */
1289		if (adev->pm.dpm_enabled) {
1290			wm_low.yclk =
1291				amdgpu_dpm_get_mclk(adev, true) * 10;
1292			wm_low.sclk =
1293				amdgpu_dpm_get_sclk(adev, true) * 10;
1294		} else {
1295			wm_low.yclk = adev->pm.current_mclk * 10;
1296			wm_low.sclk = adev->pm.current_sclk * 10;
1297		}
1298
1299		wm_low.disp_clk = mode->clock;
1300		wm_low.src_width = mode->crtc_hdisplay;
1301		wm_low.active_time = mode->crtc_hdisplay * pixel_period;
1302		wm_low.blank_time = line_time - wm_low.active_time;
1303		wm_low.interlaced = false;
1304		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1305			wm_low.interlaced = true;
1306		wm_low.vsc = amdgpu_crtc->vsc;
1307		wm_low.vtaps = 1;
1308		if (amdgpu_crtc->rmx_type != RMX_OFF)
1309			wm_low.vtaps = 2;
1310		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1311		wm_low.lb_size = lb_size;
1312		wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1313		wm_low.num_heads = num_heads;
1314
1315		/* set for low clocks */
1316		latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535);
1317
1318		/* possibly force display priority to high */
1319		/* should really do this at mode validation time... */
1320		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1321		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1322		    !dce_v11_0_check_latency_hiding(&wm_low) ||
1323		    (adev->mode_info.disp_priority == 2)) {
1324			DRM_DEBUG_KMS("force priority to high\n");
1325		}
1326		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1327	}
1328
1329	/* select wm A */
1330	wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1331	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1332	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1333	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1334	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1335	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1336	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1337	/* select wm B */
1338	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1339	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1340	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1341	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1342	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1343	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1344	/* restore original selection */
1345	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1346
1347	/* save values for DPM */
1348	amdgpu_crtc->line_time = line_time;
1349	amdgpu_crtc->wm_high = latency_watermark_a;
1350	amdgpu_crtc->wm_low = latency_watermark_b;
1351	/* Save number of lines the linebuffer leads before the scanout */
1352	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1353}
1354
1355/**
1356 * dce_v11_0_bandwidth_update - program display watermarks
1357 *
1358 * @adev: amdgpu_device pointer
1359 *
1360 * Calculate and program the display watermarks and line
1361 * buffer allocation (CIK).
1362 */
1363static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1364{
1365	struct drm_display_mode *mode = NULL;
1366	u32 num_heads = 0, lb_size;
1367	int i;
1368
1369	amdgpu_update_display_priority(adev);
1370
1371	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1372		if (adev->mode_info.crtcs[i]->base.enabled)
1373			num_heads++;
1374	}
1375	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1376		mode = &adev->mode_info.crtcs[i]->base.mode;
1377		lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1378		dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1379					    lb_size, num_heads);
1380	}
1381}
1382
1383static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1384{
1385	int i;
1386	u32 offset, tmp;
1387
1388	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1389		offset = adev->mode_info.audio.pin[i].offset;
1390		tmp = RREG32_AUDIO_ENDPT(offset,
1391					 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1392		if (((tmp &
1393		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1394		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1395			adev->mode_info.audio.pin[i].connected = false;
1396		else
1397			adev->mode_info.audio.pin[i].connected = true;
1398	}
1399}
1400
1401static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1402{
1403	int i;
1404
1405	dce_v11_0_audio_get_connected_pins(adev);
1406
1407	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1408		if (adev->mode_info.audio.pin[i].connected)
1409			return &adev->mode_info.audio.pin[i];
1410	}
1411	DRM_ERROR("No connected audio pins found!\n");
1412	return NULL;
1413}
1414
1415static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1416{
1417	struct amdgpu_device *adev = encoder->dev->dev_private;
1418	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1419	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1420	u32 tmp;
1421
1422	if (!dig || !dig->afmt || !dig->afmt->pin)
1423		return;
1424
1425	tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1426	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1427	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1428}
1429
1430static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1431						struct drm_display_mode *mode)
1432{
1433	struct amdgpu_device *adev = encoder->dev->dev_private;
 
1434	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1435	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1436	struct drm_connector *connector;
 
1437	struct amdgpu_connector *amdgpu_connector = NULL;
1438	u32 tmp;
1439	int interlace = 0;
1440
1441	if (!dig || !dig->afmt || !dig->afmt->pin)
1442		return;
1443
1444	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
 
1445		if (connector->encoder == encoder) {
1446			amdgpu_connector = to_amdgpu_connector(connector);
1447			break;
1448		}
1449	}
 
1450
1451	if (!amdgpu_connector) {
1452		DRM_ERROR("Couldn't find encoder's connector\n");
1453		return;
1454	}
1455
1456	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1457		interlace = 1;
1458	if (connector->latency_present[interlace]) {
1459		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1460				    VIDEO_LIPSYNC, connector->video_latency[interlace]);
1461		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1462				    AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1463	} else {
1464		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1465				    VIDEO_LIPSYNC, 0);
1466		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1467				    AUDIO_LIPSYNC, 0);
1468	}
1469	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1470			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1471}
1472
1473static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1474{
1475	struct amdgpu_device *adev = encoder->dev->dev_private;
 
1476	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1477	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1478	struct drm_connector *connector;
 
1479	struct amdgpu_connector *amdgpu_connector = NULL;
1480	u32 tmp;
1481	u8 *sadb = NULL;
1482	int sad_count;
1483
1484	if (!dig || !dig->afmt || !dig->afmt->pin)
1485		return;
1486
1487	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
 
1488		if (connector->encoder == encoder) {
1489			amdgpu_connector = to_amdgpu_connector(connector);
1490			break;
1491		}
1492	}
 
1493
1494	if (!amdgpu_connector) {
1495		DRM_ERROR("Couldn't find encoder's connector\n");
1496		return;
1497	}
1498
1499	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1500	if (sad_count < 0) {
1501		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1502		sad_count = 0;
1503	}
1504
1505	/* program the speaker allocation */
1506	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1507				 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1508	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1509			    DP_CONNECTION, 0);
1510	/* set HDMI mode */
1511	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1512			    HDMI_CONNECTION, 1);
1513	if (sad_count)
1514		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1515				    SPEAKER_ALLOCATION, sadb[0]);
1516	else
1517		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1518				    SPEAKER_ALLOCATION, 5); /* stereo */
1519	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1520			   ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1521
1522	kfree(sadb);
1523}
1524
1525static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1526{
1527	struct amdgpu_device *adev = encoder->dev->dev_private;
 
1528	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1529	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1530	struct drm_connector *connector;
 
1531	struct amdgpu_connector *amdgpu_connector = NULL;
1532	struct cea_sad *sads;
1533	int i, sad_count;
1534
1535	static const u16 eld_reg_to_type[][2] = {
1536		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1537		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1538		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1539		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1540		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1541		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1542		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1543		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1544		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1545		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1546		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1547		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1548	};
1549
1550	if (!dig || !dig->afmt || !dig->afmt->pin)
1551		return;
1552
1553	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
 
1554		if (connector->encoder == encoder) {
1555			amdgpu_connector = to_amdgpu_connector(connector);
1556			break;
1557		}
1558	}
 
1559
1560	if (!amdgpu_connector) {
1561		DRM_ERROR("Couldn't find encoder's connector\n");
1562		return;
1563	}
1564
1565	sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1566	if (sad_count <= 0) {
1567		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
 
1568		return;
1569	}
1570	BUG_ON(!sads);
1571
1572	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1573		u32 tmp = 0;
1574		u8 stereo_freqs = 0;
1575		int max_channels = -1;
1576		int j;
1577
1578		for (j = 0; j < sad_count; j++) {
1579			struct cea_sad *sad = &sads[j];
1580
1581			if (sad->format == eld_reg_to_type[i][1]) {
1582				if (sad->channels > max_channels) {
1583					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1584							    MAX_CHANNELS, sad->channels);
1585					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1586							    DESCRIPTOR_BYTE_2, sad->byte2);
1587					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1588							    SUPPORTED_FREQUENCIES, sad->freq);
1589					max_channels = sad->channels;
1590				}
1591
1592				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1593					stereo_freqs |= sad->freq;
1594				else
1595					break;
1596			}
1597		}
1598
1599		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1600				    SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1601		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1602	}
1603
1604	kfree(sads);
1605}
1606
1607static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1608				  struct amdgpu_audio_pin *pin,
1609				  bool enable)
1610{
1611	if (!pin)
1612		return;
1613
1614	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1615			   enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1616}
1617
1618static const u32 pin_offsets[] =
1619{
1620	AUD0_REGISTER_OFFSET,
1621	AUD1_REGISTER_OFFSET,
1622	AUD2_REGISTER_OFFSET,
1623	AUD3_REGISTER_OFFSET,
1624	AUD4_REGISTER_OFFSET,
1625	AUD5_REGISTER_OFFSET,
1626	AUD6_REGISTER_OFFSET,
 
1627};
1628
1629static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1630{
1631	int i;
1632
1633	if (!amdgpu_audio)
1634		return 0;
1635
1636	adev->mode_info.audio.enabled = true;
1637
1638	adev->mode_info.audio.num_pins = 7;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1639
1640	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1641		adev->mode_info.audio.pin[i].channels = -1;
1642		adev->mode_info.audio.pin[i].rate = -1;
1643		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1644		adev->mode_info.audio.pin[i].status_bits = 0;
1645		adev->mode_info.audio.pin[i].category_code = 0;
1646		adev->mode_info.audio.pin[i].connected = false;
1647		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1648		adev->mode_info.audio.pin[i].id = i;
1649		/* disable audio.  it will be set up later */
1650		/* XXX remove once we switch to ip funcs */
1651		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1652	}
1653
1654	return 0;
1655}
1656
1657static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1658{
1659	int i;
1660
1661	if (!amdgpu_audio)
1662		return;
1663
1664	if (!adev->mode_info.audio.enabled)
1665		return;
1666
1667	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1668		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1669
1670	adev->mode_info.audio.enabled = false;
1671}
1672
1673/*
1674 * update the N and CTS parameters for a given pixel clock rate
1675 */
1676static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1677{
1678	struct drm_device *dev = encoder->dev;
1679	struct amdgpu_device *adev = dev->dev_private;
1680	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1681	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1682	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1683	u32 tmp;
1684
1685	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1686	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1687	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1688	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1689	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1690	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1691
1692	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1693	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1694	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1695	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1696	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1697	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1698
1699	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1700	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1701	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1702	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1703	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1704	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1705
1706}
1707
1708/*
1709 * build a HDMI Video Info Frame
1710 */
1711static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1712					       void *buffer, size_t size)
1713{
1714	struct drm_device *dev = encoder->dev;
1715	struct amdgpu_device *adev = dev->dev_private;
1716	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1717	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1718	uint8_t *frame = buffer + 3;
1719	uint8_t *header = buffer;
1720
1721	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1722		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1723	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1724		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1725	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1726		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1727	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1728		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1729}
1730
1731static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1732{
1733	struct drm_device *dev = encoder->dev;
1734	struct amdgpu_device *adev = dev->dev_private;
1735	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1736	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1737	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1738	u32 dto_phase = 24 * 1000;
1739	u32 dto_modulo = clock;
1740	u32 tmp;
1741
1742	if (!dig || !dig->afmt)
1743		return;
1744
1745	/* XXX two dtos; generally use dto0 for hdmi */
1746	/* Express [24MHz / target pixel clock] as an exact rational
1747	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1748	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1749	 */
1750	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1751	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1752			    amdgpu_crtc->crtc_id);
1753	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1754	WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1755	WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1756}
1757
1758/*
1759 * update the info frames with the data from the current display mode
1760 */
1761static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1762				  struct drm_display_mode *mode)
1763{
1764	struct drm_device *dev = encoder->dev;
1765	struct amdgpu_device *adev = dev->dev_private;
1766	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1767	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1768	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1769	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1770	struct hdmi_avi_infoframe frame;
1771	ssize_t err;
1772	u32 tmp;
1773	int bpc = 8;
1774
1775	if (!dig || !dig->afmt)
1776		return;
1777
1778	/* Silent, r600_hdmi_enable will raise WARN for us */
1779	if (!dig->afmt->enabled)
1780		return;
1781
1782	/* hdmi deep color mode general control packets setup, if bpc > 8 */
1783	if (encoder->crtc) {
1784		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1785		bpc = amdgpu_crtc->bpc;
1786	}
1787
1788	/* disable audio prior to setting up hw */
1789	dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1790	dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1791
1792	dce_v11_0_audio_set_dto(encoder, mode->clock);
1793
1794	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1795	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1796	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1797
1798	WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1799
1800	tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1801	switch (bpc) {
1802	case 0:
1803	case 6:
1804	case 8:
1805	case 16:
1806	default:
1807		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1808		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1809		DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1810			  connector->name, bpc);
1811		break;
1812	case 10:
1813		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1814		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1815		DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1816			  connector->name);
1817		break;
1818	case 12:
1819		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1820		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1821		DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1822			  connector->name);
1823		break;
1824	}
1825	WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1826
1827	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1828	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1829	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1830	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1831	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1832
1833	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1834	/* enable audio info frames (frames won't be set until audio is enabled) */
1835	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1836	/* required for audio info values to be updated */
1837	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1838	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1839
1840	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1841	/* required for audio info values to be updated */
1842	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1843	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1844
1845	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1846	/* anything other than 0 */
1847	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1848	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1849
1850	WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1851
1852	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1853	/* set the default audio delay */
1854	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1855	/* should be suffient for all audio modes and small enough for all hblanks */
1856	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1857	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1858
1859	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1860	/* allow 60958 channel status fields to be updated */
1861	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1862	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1863
1864	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1865	if (bpc > 8)
1866		/* clear SW CTS value */
1867		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1868	else
1869		/* select SW CTS value */
1870		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1871	/* allow hw to sent ACR packets when required */
1872	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1873	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1874
1875	dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1876
1877	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1878	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1879	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1880
1881	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1882	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1883	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1884
1885	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1886	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1887	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1888	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1889	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1890	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1891	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1892	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1893
1894	dce_v11_0_audio_write_speaker_allocation(encoder);
1895
1896	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1897	       (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1898
1899	dce_v11_0_afmt_audio_select_pin(encoder);
1900	dce_v11_0_audio_write_sad_regs(encoder);
1901	dce_v11_0_audio_write_latency_fields(encoder, mode);
1902
1903	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
1904	if (err < 0) {
1905		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1906		return;
1907	}
1908
1909	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1910	if (err < 0) {
1911		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1912		return;
1913	}
1914
1915	dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1916
1917	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1918	/* enable AVI info frames */
1919	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1920	/* required for audio info values to be updated */
1921	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1922	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1923
1924	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1925	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1926	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1927
1928	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1929	/* send audio packets */
1930	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1931	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1932
1933	WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1934	WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1935	WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1936	WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1937
1938	/* enable audio after to setting up hw */
1939	dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1940}
1941
1942static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1943{
1944	struct drm_device *dev = encoder->dev;
1945	struct amdgpu_device *adev = dev->dev_private;
1946	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1947	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1948
1949	if (!dig || !dig->afmt)
1950		return;
1951
1952	/* Silent, r600_hdmi_enable will raise WARN for us */
1953	if (enable && dig->afmt->enabled)
1954		return;
1955	if (!enable && !dig->afmt->enabled)
1956		return;
1957
1958	if (!enable && dig->afmt->pin) {
1959		dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1960		dig->afmt->pin = NULL;
1961	}
1962
1963	dig->afmt->enabled = enable;
1964
1965	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1966		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1967}
1968
1969static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1970{
1971	int i;
1972
1973	for (i = 0; i < adev->mode_info.num_dig; i++)
1974		adev->mode_info.afmt[i] = NULL;
1975
1976	/* DCE11 has audio blocks tied to DIG encoders */
1977	for (i = 0; i < adev->mode_info.num_dig; i++) {
1978		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1979		if (adev->mode_info.afmt[i]) {
1980			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1981			adev->mode_info.afmt[i]->id = i;
1982		} else {
1983			int j;
1984			for (j = 0; j < i; j++) {
1985				kfree(adev->mode_info.afmt[j]);
1986				adev->mode_info.afmt[j] = NULL;
1987			}
1988			return -ENOMEM;
1989		}
1990	}
1991	return 0;
1992}
1993
1994static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1995{
1996	int i;
1997
1998	for (i = 0; i < adev->mode_info.num_dig; i++) {
1999		kfree(adev->mode_info.afmt[i]);
2000		adev->mode_info.afmt[i] = NULL;
2001	}
2002}
2003
2004static const u32 vga_control_regs[6] =
2005{
2006	mmD1VGA_CONTROL,
2007	mmD2VGA_CONTROL,
2008	mmD3VGA_CONTROL,
2009	mmD4VGA_CONTROL,
2010	mmD5VGA_CONTROL,
2011	mmD6VGA_CONTROL,
2012};
2013
2014static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
2015{
2016	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2017	struct drm_device *dev = crtc->dev;
2018	struct amdgpu_device *adev = dev->dev_private;
2019	u32 vga_control;
2020
2021	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
2022	if (enable)
2023		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
2024	else
2025		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
2026}
2027
2028static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
2029{
2030	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2031	struct drm_device *dev = crtc->dev;
2032	struct amdgpu_device *adev = dev->dev_private;
2033
2034	if (enable)
2035		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
2036	else
2037		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
2038}
2039
2040static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
2041				     struct drm_framebuffer *fb,
2042				     int x, int y, int atomic)
2043{
2044	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2045	struct drm_device *dev = crtc->dev;
2046	struct amdgpu_device *adev = dev->dev_private;
2047	struct amdgpu_framebuffer *amdgpu_fb;
2048	struct drm_framebuffer *target_fb;
2049	struct drm_gem_object *obj;
2050	struct amdgpu_bo *rbo;
2051	uint64_t fb_location, tiling_flags;
2052	uint32_t fb_format, fb_pitch_pixels;
2053	u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
2054	u32 pipe_config;
2055	u32 tmp, viewport_w, viewport_h;
2056	int r;
2057	bool bypass_lut = false;
2058
2059	/* no fb bound */
2060	if (!atomic && !crtc->primary->fb) {
2061		DRM_DEBUG_KMS("No FB bound\n");
2062		return 0;
2063	}
2064
2065	if (atomic) {
2066		amdgpu_fb = to_amdgpu_framebuffer(fb);
2067		target_fb = fb;
2068	} else {
2069		amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2070		target_fb = crtc->primary->fb;
2071	}
2072
2073	/* If atomic, assume fb object is pinned & idle & fenced and
2074	 * just update base pointers
2075	 */
2076	obj = amdgpu_fb->obj;
2077	rbo = gem_to_amdgpu_bo(obj);
2078	r = amdgpu_bo_reserve(rbo, false);
2079	if (unlikely(r != 0))
2080		return r;
2081
2082	if (atomic) {
2083		fb_location = amdgpu_bo_gpu_offset(rbo);
2084	} else {
2085		r = amdgpu_bo_pin(rbo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location);
2086		if (unlikely(r != 0)) {
2087			amdgpu_bo_unreserve(rbo);
2088			return -EINVAL;
2089		}
2090	}
 
2091
2092	amdgpu_bo_get_tiling_flags(rbo, &tiling_flags);
2093	amdgpu_bo_unreserve(rbo);
2094
2095	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
2096
2097	switch (target_fb->pixel_format) {
2098	case DRM_FORMAT_C8:
2099		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
2100		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2101		break;
2102	case DRM_FORMAT_XRGB4444:
2103	case DRM_FORMAT_ARGB4444:
2104		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2105		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
2106#ifdef __BIG_ENDIAN
2107		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2108					ENDIAN_8IN16);
2109#endif
2110		break;
2111	case DRM_FORMAT_XRGB1555:
2112	case DRM_FORMAT_ARGB1555:
2113		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2114		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2115#ifdef __BIG_ENDIAN
2116		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2117					ENDIAN_8IN16);
2118#endif
2119		break;
2120	case DRM_FORMAT_BGRX5551:
2121	case DRM_FORMAT_BGRA5551:
2122		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2123		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
2124#ifdef __BIG_ENDIAN
2125		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2126					ENDIAN_8IN16);
2127#endif
2128		break;
2129	case DRM_FORMAT_RGB565:
2130		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2131		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2132#ifdef __BIG_ENDIAN
2133		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2134					ENDIAN_8IN16);
2135#endif
2136		break;
2137	case DRM_FORMAT_XRGB8888:
2138	case DRM_FORMAT_ARGB8888:
2139		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2140		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2141#ifdef __BIG_ENDIAN
2142		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2143					ENDIAN_8IN32);
2144#endif
2145		break;
2146	case DRM_FORMAT_XRGB2101010:
2147	case DRM_FORMAT_ARGB2101010:
2148		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2149		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2150#ifdef __BIG_ENDIAN
2151		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2152					ENDIAN_8IN32);
2153#endif
2154		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2155		bypass_lut = true;
2156		break;
2157	case DRM_FORMAT_BGRX1010102:
2158	case DRM_FORMAT_BGRA1010102:
2159		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2160		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2161#ifdef __BIG_ENDIAN
2162		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2163					ENDIAN_8IN32);
2164#endif
2165		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2166		bypass_lut = true;
2167		break;
 
 
 
 
 
 
 
 
 
 
 
2168	default:
2169		DRM_ERROR("Unsupported screen format %s\n",
2170			drm_get_format_name(target_fb->pixel_format));
2171		return -EINVAL;
2172	}
2173
2174	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2175		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2176
2177		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2178		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2179		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2180		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2181		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2182
2183		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2184		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2185					  ARRAY_2D_TILED_THIN1);
2186		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2187					  tile_split);
2188		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2189		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2190		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2191					  mtaspect);
2192		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2193					  ADDR_SURF_MICRO_TILING_DISPLAY);
2194	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2195		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2196					  ARRAY_1D_TILED_THIN1);
2197	}
2198
2199	fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2200				  pipe_config);
2201
2202	dce_v11_0_vga_enable(crtc, false);
2203
 
 
 
 
 
 
 
 
2204	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2205	       upper_32_bits(fb_location));
2206	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2207	       upper_32_bits(fb_location));
2208	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2209	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2210	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2211	       (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2212	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2213	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2214
2215	/*
2216	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2217	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2218	 * retain the full precision throughout the pipeline.
2219	 */
2220	tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2221	if (bypass_lut)
2222		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2223	else
2224		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2225	WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2226
2227	if (bypass_lut)
2228		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2229
2230	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2231	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2232	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2233	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2234	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2235	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2236
2237	fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
2238	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2239
2240	dce_v11_0_grph_enable(crtc, true);
2241
2242	WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2243	       target_fb->height);
2244
2245	x &= ~3;
2246	y &= ~1;
2247	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2248	       (x << 16) | y);
2249	viewport_w = crtc->mode.hdisplay;
2250	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2251	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2252	       (viewport_w << 16) | viewport_h);
2253
2254	/* pageflip setup */
2255	/* make sure flip is at vb rather than hb */
2256	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2257	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2258			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2259	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2260
2261	/* set pageflip to happen only at start of vblank interval (front porch) */
2262	WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 3);
2263
2264	if (!atomic && fb && fb != crtc->primary->fb) {
2265		amdgpu_fb = to_amdgpu_framebuffer(fb);
2266		rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2267		r = amdgpu_bo_reserve(rbo, false);
2268		if (unlikely(r != 0))
2269			return r;
2270		amdgpu_bo_unpin(rbo);
2271		amdgpu_bo_unreserve(rbo);
2272	}
2273
2274	/* Bytes per pixel may have changed */
2275	dce_v11_0_bandwidth_update(adev);
2276
2277	return 0;
2278}
2279
2280static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2281				     struct drm_display_mode *mode)
2282{
2283	struct drm_device *dev = crtc->dev;
2284	struct amdgpu_device *adev = dev->dev_private;
2285	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2286	u32 tmp;
2287
2288	tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2289	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2290		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2291	else
2292		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2293	WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2294}
2295
2296static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2297{
2298	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2299	struct drm_device *dev = crtc->dev;
2300	struct amdgpu_device *adev = dev->dev_private;
 
2301	int i;
2302	u32 tmp;
2303
2304	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2305
2306	tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2307	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2308	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2309
2310	tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2311	tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2312	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2313
2314	tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2315	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2316	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2317
2318	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2319
2320	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2321	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2322	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2323
2324	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2325	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2326	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2327
2328	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2329	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2330
2331	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
 
 
 
2332	for (i = 0; i < 256; i++) {
2333		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2334		       (amdgpu_crtc->lut_r[i] << 20) |
2335		       (amdgpu_crtc->lut_g[i] << 10) |
2336		       (amdgpu_crtc->lut_b[i] << 0));
2337	}
2338
2339	tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2340	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2341	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2342	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2343	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2344
2345	tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2346	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2347	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2348
2349	tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2350	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2351	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2352
2353	tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2354	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2355	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2356
2357	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2358	WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2359	/* XXX this only needs to be programmed once per crtc at startup,
2360	 * not sure where the best place for it is
2361	 */
2362	tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2363	tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2364	WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2365}
2366
2367static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2368{
2369	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2370	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2371
2372	switch (amdgpu_encoder->encoder_id) {
2373	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2374		if (dig->linkb)
2375			return 1;
2376		else
2377			return 0;
2378		break;
2379	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2380		if (dig->linkb)
2381			return 3;
2382		else
2383			return 2;
2384		break;
2385	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2386		if (dig->linkb)
2387			return 5;
2388		else
2389			return 4;
2390		break;
2391	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2392		return 6;
2393		break;
2394	default:
2395		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2396		return 0;
2397	}
2398}
2399
2400/**
2401 * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2402 *
2403 * @crtc: drm crtc
2404 *
2405 * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2406 * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2407 * monitors a dedicated PPLL must be used.  If a particular board has
2408 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2409 * as there is no need to program the PLL itself.  If we are not able to
2410 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2411 * avoid messing up an existing monitor.
2412 *
2413 * Asic specific PLL information
2414 *
2415 * DCE 10.x
2416 * Tonga
2417 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2418 * CI
2419 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2420 *
2421 */
2422static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2423{
2424	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2425	struct drm_device *dev = crtc->dev;
2426	struct amdgpu_device *adev = dev->dev_private;
2427	u32 pll_in_use;
2428	int pll;
2429
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2430	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2431		if (adev->clock.dp_extclk)
2432			/* skip PPLL programming if using ext clock */
2433			return ATOM_PPLL_INVALID;
2434		else {
2435			/* use the same PPLL for all DP monitors */
2436			pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2437			if (pll != ATOM_PPLL_INVALID)
2438				return pll;
2439		}
2440	} else {
2441		/* use the same PPLL for all monitors with the same clock */
2442		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2443		if (pll != ATOM_PPLL_INVALID)
2444			return pll;
2445	}
2446
2447	/* XXX need to determine what plls are available on each DCE11 part */
2448	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2449	if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) {
2450		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2451			return ATOM_PPLL1;
2452		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2453			return ATOM_PPLL0;
2454		DRM_ERROR("unable to allocate a PPLL\n");
2455		return ATOM_PPLL_INVALID;
2456	} else {
2457		if (!(pll_in_use & (1 << ATOM_PPLL2)))
2458			return ATOM_PPLL2;
2459		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2460			return ATOM_PPLL1;
2461		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2462			return ATOM_PPLL0;
2463		DRM_ERROR("unable to allocate a PPLL\n");
2464		return ATOM_PPLL_INVALID;
2465	}
2466	return ATOM_PPLL_INVALID;
2467}
2468
2469static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2470{
2471	struct amdgpu_device *adev = crtc->dev->dev_private;
2472	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2473	uint32_t cur_lock;
2474
2475	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2476	if (lock)
2477		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2478	else
2479		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2480	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2481}
2482
2483static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2484{
2485	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2486	struct amdgpu_device *adev = crtc->dev->dev_private;
2487	u32 tmp;
2488
2489	tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2490	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2491	WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2492}
2493
2494static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2495{
2496	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2497	struct amdgpu_device *adev = crtc->dev->dev_private;
2498	u32 tmp;
2499
2500	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2501	       upper_32_bits(amdgpu_crtc->cursor_addr));
2502	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2503	       lower_32_bits(amdgpu_crtc->cursor_addr));
2504
2505	tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2506	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2507	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2508	WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2509}
2510
2511static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2512					int x, int y)
2513{
2514	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2515	struct amdgpu_device *adev = crtc->dev->dev_private;
2516	int xorigin = 0, yorigin = 0;
2517
 
 
 
2518	/* avivo cursor are offset into the total surface */
2519	x += crtc->x;
2520	y += crtc->y;
2521	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2522
2523	if (x < 0) {
2524		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2525		x = 0;
2526	}
2527	if (y < 0) {
2528		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2529		y = 0;
2530	}
2531
2532	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2533	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2534	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2535	       ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2536
2537	amdgpu_crtc->cursor_x = x;
2538	amdgpu_crtc->cursor_y = y;
2539
2540	return 0;
2541}
2542
2543static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2544				      int x, int y)
2545{
2546	int ret;
2547
2548	dce_v11_0_lock_cursor(crtc, true);
2549	ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2550	dce_v11_0_lock_cursor(crtc, false);
2551
2552	return ret;
2553}
2554
2555static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2556				      struct drm_file *file_priv,
2557				      uint32_t handle,
2558				      uint32_t width,
2559				      uint32_t height,
2560				      int32_t hot_x,
2561				      int32_t hot_y)
2562{
2563	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2564	struct drm_gem_object *obj;
2565	struct amdgpu_bo *aobj;
2566	int ret;
2567
2568	if (!handle) {
2569		/* turn off cursor */
2570		dce_v11_0_hide_cursor(crtc);
2571		obj = NULL;
2572		goto unpin;
2573	}
2574
2575	if ((width > amdgpu_crtc->max_cursor_width) ||
2576	    (height > amdgpu_crtc->max_cursor_height)) {
2577		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2578		return -EINVAL;
2579	}
2580
2581	obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
2582	if (!obj) {
2583		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2584		return -ENOENT;
2585	}
2586
2587	aobj = gem_to_amdgpu_bo(obj);
2588	ret = amdgpu_bo_reserve(aobj, false);
2589	if (ret != 0) {
2590		drm_gem_object_unreference_unlocked(obj);
2591		return ret;
2592	}
2593
2594	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM, &amdgpu_crtc->cursor_addr);
2595	amdgpu_bo_unreserve(aobj);
2596	if (ret) {
2597		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2598		drm_gem_object_unreference_unlocked(obj);
2599		return ret;
2600	}
2601
2602	amdgpu_crtc->cursor_width = width;
2603	amdgpu_crtc->cursor_height = height;
2604
2605	dce_v11_0_lock_cursor(crtc, true);
2606
2607	if (hot_x != amdgpu_crtc->cursor_hot_x ||
 
 
2608	    hot_y != amdgpu_crtc->cursor_hot_y) {
2609		int x, y;
2610
2611		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2612		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2613
2614		dce_v11_0_cursor_move_locked(crtc, x, y);
2615
 
 
2616		amdgpu_crtc->cursor_hot_x = hot_x;
2617		amdgpu_crtc->cursor_hot_y = hot_y;
2618	}
2619
2620	dce_v11_0_show_cursor(crtc);
2621	dce_v11_0_lock_cursor(crtc, false);
2622
2623unpin:
2624	if (amdgpu_crtc->cursor_bo) {
2625		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2626		ret = amdgpu_bo_reserve(aobj, false);
2627		if (likely(ret == 0)) {
2628			amdgpu_bo_unpin(aobj);
2629			amdgpu_bo_unreserve(aobj);
2630		}
2631		drm_gem_object_unreference_unlocked(amdgpu_crtc->cursor_bo);
2632	}
2633
2634	amdgpu_crtc->cursor_bo = obj;
2635	return 0;
2636}
2637
2638static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2639{
2640	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2641
2642	if (amdgpu_crtc->cursor_bo) {
2643		dce_v11_0_lock_cursor(crtc, true);
2644
2645		dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2646					     amdgpu_crtc->cursor_y);
2647
2648		dce_v11_0_show_cursor(crtc);
2649
2650		dce_v11_0_lock_cursor(crtc, false);
2651	}
2652}
2653
2654static void dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2655				    u16 *blue, uint32_t start, uint32_t size)
 
2656{
2657	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2658	int end = (start + size > 256) ? 256 : start + size, i;
2659
2660	/* userspace palettes are always correct as is */
2661	for (i = start; i < end; i++) {
2662		amdgpu_crtc->lut_r[i] = red[i] >> 6;
2663		amdgpu_crtc->lut_g[i] = green[i] >> 6;
2664		amdgpu_crtc->lut_b[i] = blue[i] >> 6;
2665	}
2666	dce_v11_0_crtc_load_lut(crtc);
2667}
2668
2669static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2670{
2671	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2672
2673	drm_crtc_cleanup(crtc);
2674	kfree(amdgpu_crtc);
2675}
2676
2677static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2678	.cursor_set2 = dce_v11_0_crtc_cursor_set2,
2679	.cursor_move = dce_v11_0_crtc_cursor_move,
2680	.gamma_set = dce_v11_0_crtc_gamma_set,
2681	.set_config = amdgpu_crtc_set_config,
2682	.destroy = dce_v11_0_crtc_destroy,
2683	.page_flip = amdgpu_crtc_page_flip,
 
 
 
 
2684};
2685
2686static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2687{
2688	struct drm_device *dev = crtc->dev;
2689	struct amdgpu_device *adev = dev->dev_private;
2690	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2691	unsigned type;
2692
2693	switch (mode) {
2694	case DRM_MODE_DPMS_ON:
2695		amdgpu_crtc->enabled = true;
2696		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2697		dce_v11_0_vga_enable(crtc, true);
2698		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2699		dce_v11_0_vga_enable(crtc, false);
2700		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2701		type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id);
 
2702		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2703		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2704		drm_vblank_on(dev, amdgpu_crtc->crtc_id);
2705		dce_v11_0_crtc_load_lut(crtc);
2706		break;
2707	case DRM_MODE_DPMS_STANDBY:
2708	case DRM_MODE_DPMS_SUSPEND:
2709	case DRM_MODE_DPMS_OFF:
2710		drm_vblank_off(dev, amdgpu_crtc->crtc_id);
2711		if (amdgpu_crtc->enabled) {
2712			dce_v11_0_vga_enable(crtc, true);
2713			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2714			dce_v11_0_vga_enable(crtc, false);
2715		}
2716		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2717		amdgpu_crtc->enabled = false;
2718		break;
2719	}
2720	/* adjust pm to dpms */
2721	amdgpu_pm_compute_clocks(adev);
2722}
2723
2724static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2725{
2726	/* disable crtc pair power gating before programming */
2727	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2728	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2729	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2730}
2731
2732static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2733{
2734	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2735	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2736}
2737
2738static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2739{
2740	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2741	struct drm_device *dev = crtc->dev;
2742	struct amdgpu_device *adev = dev->dev_private;
2743	struct amdgpu_atom_ss ss;
2744	int i;
2745
2746	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2747	if (crtc->primary->fb) {
2748		int r;
2749		struct amdgpu_framebuffer *amdgpu_fb;
2750		struct amdgpu_bo *rbo;
2751
2752		amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2753		rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2754		r = amdgpu_bo_reserve(rbo, false);
2755		if (unlikely(r))
2756			DRM_ERROR("failed to reserve rbo before unpin\n");
2757		else {
2758			amdgpu_bo_unpin(rbo);
2759			amdgpu_bo_unreserve(rbo);
2760		}
2761	}
2762	/* disable the GRPH */
2763	dce_v11_0_grph_enable(crtc, false);
2764
2765	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2766
2767	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2768		if (adev->mode_info.crtcs[i] &&
2769		    adev->mode_info.crtcs[i]->enabled &&
2770		    i != amdgpu_crtc->crtc_id &&
2771		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2772			/* one other crtc is using this pll don't turn
2773			 * off the pll
2774			 */
2775			goto done;
2776		}
2777	}
2778
2779	switch (amdgpu_crtc->pll_id) {
2780	case ATOM_PPLL0:
2781	case ATOM_PPLL1:
2782	case ATOM_PPLL2:
2783		/* disable the ppll */
2784		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2785					  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
 
 
 
 
 
 
 
 
 
 
2786		break;
2787	default:
2788		break;
2789	}
2790done:
2791	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2792	amdgpu_crtc->adjusted_clock = 0;
2793	amdgpu_crtc->encoder = NULL;
2794	amdgpu_crtc->connector = NULL;
2795}
2796
2797static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2798				  struct drm_display_mode *mode,
2799				  struct drm_display_mode *adjusted_mode,
2800				  int x, int y, struct drm_framebuffer *old_fb)
2801{
2802	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
 
 
2803
2804	if (!amdgpu_crtc->adjusted_clock)
2805		return -EINVAL;
2806
2807	amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2808	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2809	dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2810	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2811	amdgpu_atombios_crtc_scaler_setup(crtc);
2812	dce_v11_0_cursor_reset(crtc);
2813	/* update the hw version fpr dpm */
2814	amdgpu_crtc->hw_mode = *adjusted_mode;
2815
2816	return 0;
2817}
2818
2819static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2820				     const struct drm_display_mode *mode,
2821				     struct drm_display_mode *adjusted_mode)
2822{
2823	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2824	struct drm_device *dev = crtc->dev;
2825	struct drm_encoder *encoder;
2826
2827	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2828	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2829		if (encoder->crtc == crtc) {
2830			amdgpu_crtc->encoder = encoder;
2831			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2832			break;
2833		}
2834	}
2835	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2836		amdgpu_crtc->encoder = NULL;
2837		amdgpu_crtc->connector = NULL;
2838		return false;
2839	}
2840	if (!amdgpu_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2841		return false;
2842	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2843		return false;
2844	/* pick pll */
2845	amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2846	/* if we can't get a PPLL for a non-DP encoder, fail */
2847	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2848	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2849		return false;
2850
2851	return true;
2852}
2853
2854static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2855				  struct drm_framebuffer *old_fb)
2856{
2857	return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2858}
2859
2860static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2861					 struct drm_framebuffer *fb,
2862					 int x, int y, enum mode_set_atomic state)
2863{
2864       return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2865}
2866
2867static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2868	.dpms = dce_v11_0_crtc_dpms,
2869	.mode_fixup = dce_v11_0_crtc_mode_fixup,
2870	.mode_set = dce_v11_0_crtc_mode_set,
2871	.mode_set_base = dce_v11_0_crtc_set_base,
2872	.mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2873	.prepare = dce_v11_0_crtc_prepare,
2874	.commit = dce_v11_0_crtc_commit,
2875	.load_lut = dce_v11_0_crtc_load_lut,
2876	.disable = dce_v11_0_crtc_disable,
 
2877};
2878
2879static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2880{
2881	struct amdgpu_crtc *amdgpu_crtc;
2882	int i;
2883
2884	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2885			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2886	if (amdgpu_crtc == NULL)
2887		return -ENOMEM;
2888
2889	drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2890
2891	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2892	amdgpu_crtc->crtc_id = index;
2893	adev->mode_info.crtcs[index] = amdgpu_crtc;
2894
2895	amdgpu_crtc->max_cursor_width = 128;
2896	amdgpu_crtc->max_cursor_height = 128;
2897	adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2898	adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2899
2900	for (i = 0; i < 256; i++) {
2901		amdgpu_crtc->lut_r[i] = i << 2;
2902		amdgpu_crtc->lut_g[i] = i << 2;
2903		amdgpu_crtc->lut_b[i] = i << 2;
2904	}
2905
2906	switch (amdgpu_crtc->crtc_id) {
2907	case 0:
2908	default:
2909		amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2910		break;
2911	case 1:
2912		amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2913		break;
2914	case 2:
2915		amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2916		break;
2917	case 3:
2918		amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2919		break;
2920	case 4:
2921		amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2922		break;
2923	case 5:
2924		amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2925		break;
2926	}
2927
2928	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2929	amdgpu_crtc->adjusted_clock = 0;
2930	amdgpu_crtc->encoder = NULL;
2931	amdgpu_crtc->connector = NULL;
2932	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2933
2934	return 0;
2935}
2936
2937static int dce_v11_0_early_init(void *handle)
2938{
2939	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2940
2941	adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2942	adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2943
2944	dce_v11_0_set_display_funcs(adev);
2945	dce_v11_0_set_irq_funcs(adev);
 
2946
2947	switch (adev->asic_type) {
2948	case CHIP_CARRIZO:
2949		adev->mode_info.num_crtc = 3;
2950		adev->mode_info.num_hpd = 6;
2951		adev->mode_info.num_dig = 9;
2952		break;
2953	case CHIP_STONEY:
2954		adev->mode_info.num_crtc = 2;
2955		adev->mode_info.num_hpd = 6;
2956		adev->mode_info.num_dig = 9;
2957		break;
 
 
 
 
 
 
 
 
 
 
2958	default:
2959		/* FIXME: not supported yet */
2960		return -EINVAL;
2961	}
2962
 
 
2963	return 0;
2964}
2965
2966static int dce_v11_0_sw_init(void *handle)
2967{
2968	int r, i;
2969	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2970
2971	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2972		r = amdgpu_irq_add_id(adev, i + 1, &adev->crtc_irq);
2973		if (r)
2974			return r;
2975	}
2976
2977	for (i = 8; i < 20; i += 2) {
2978		r = amdgpu_irq_add_id(adev, i, &adev->pageflip_irq);
2979		if (r)
2980			return r;
2981	}
2982
2983	/* HPD hotplug */
2984	r = amdgpu_irq_add_id(adev, 42, &adev->hpd_irq);
2985	if (r)
2986		return r;
2987
2988	adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
 
 
2989
2990	adev->ddev->mode_config.max_width = 16384;
2991	adev->ddev->mode_config.max_height = 16384;
2992
2993	adev->ddev->mode_config.preferred_depth = 24;
2994	adev->ddev->mode_config.prefer_shadow = 1;
2995
2996	adev->ddev->mode_config.fb_base = adev->mc.aper_base;
2997
2998	r = amdgpu_modeset_create_props(adev);
2999	if (r)
3000		return r;
3001
3002	adev->ddev->mode_config.max_width = 16384;
3003	adev->ddev->mode_config.max_height = 16384;
3004
3005
3006	/* allocate crtcs */
3007	for (i = 0; i < adev->mode_info.num_crtc; i++) {
3008		r = dce_v11_0_crtc_init(adev, i);
3009		if (r)
3010			return r;
3011	}
3012
3013	if (amdgpu_atombios_get_connector_info_from_object_table(adev))
3014		amdgpu_print_display_setup(adev->ddev);
3015	else
3016		return -EINVAL;
3017
3018	/* setup afmt */
3019	r = dce_v11_0_afmt_init(adev);
3020	if (r)
3021		return r;
3022
3023	r = dce_v11_0_audio_init(adev);
3024	if (r)
3025		return r;
3026
3027	drm_kms_helper_poll_init(adev->ddev);
3028
3029	adev->mode_info.mode_config_initialized = true;
3030	return 0;
3031}
3032
3033static int dce_v11_0_sw_fini(void *handle)
3034{
3035	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3036
3037	kfree(adev->mode_info.bios_hardcoded_edid);
3038
3039	drm_kms_helper_poll_fini(adev->ddev);
3040
3041	dce_v11_0_audio_fini(adev);
3042
3043	dce_v11_0_afmt_fini(adev);
3044
 
3045	adev->mode_info.mode_config_initialized = false;
3046
3047	return 0;
3048}
3049
3050static int dce_v11_0_hw_init(void *handle)
3051{
3052	int i;
3053	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3054
3055	dce_v11_0_init_golden_registers(adev);
3056
 
 
3057	/* init dig PHYs, disp eng pll */
3058	amdgpu_atombios_crtc_powergate_init(adev);
3059	amdgpu_atombios_encoder_init_dig(adev);
3060	amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
 
 
 
 
 
 
 
 
 
 
3061
3062	/* initialize hpd */
3063	dce_v11_0_hpd_init(adev);
3064
3065	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3066		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3067	}
3068
3069	dce_v11_0_pageflip_interrupt_init(adev);
3070
3071	return 0;
3072}
3073
3074static int dce_v11_0_hw_fini(void *handle)
3075{
3076	int i;
3077	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3078
3079	dce_v11_0_hpd_fini(adev);
3080
3081	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3082		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3083	}
3084
3085	dce_v11_0_pageflip_interrupt_fini(adev);
3086
3087	return 0;
3088}
3089
3090static int dce_v11_0_suspend(void *handle)
3091{
3092	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
 
 
 
 
3093
3094	amdgpu_atombios_scratch_regs_save(adev);
 
3095
3096	return dce_v11_0_hw_fini(handle);
3097}
3098
3099static int dce_v11_0_resume(void *handle)
3100{
3101	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3102	int ret;
3103
 
 
 
3104	ret = dce_v11_0_hw_init(handle);
3105
3106	amdgpu_atombios_scratch_regs_restore(adev);
3107
3108	/* turn on the BL */
3109	if (adev->mode_info.bl_encoder) {
3110		u8 bl_level = amdgpu_display_backlight_get_level(adev,
3111								  adev->mode_info.bl_encoder);
3112		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3113						    bl_level);
3114	}
 
 
3115
3116	return ret;
3117}
3118
3119static bool dce_v11_0_is_idle(void *handle)
3120{
3121	return true;
3122}
3123
3124static int dce_v11_0_wait_for_idle(void *handle)
3125{
3126	return 0;
3127}
3128
3129static void dce_v11_0_print_status(void *handle)
3130{
3131	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3132
3133	dev_info(adev->dev, "DCE 10.x registers\n");
3134	/* XXX todo */
3135}
3136
3137static int dce_v11_0_soft_reset(void *handle)
3138{
3139	u32 srbm_soft_reset = 0, tmp;
3140	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3141
3142	if (dce_v11_0_is_display_hung(adev))
3143		srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3144
3145	if (srbm_soft_reset) {
3146		dce_v11_0_print_status((void *)adev);
3147
3148		tmp = RREG32(mmSRBM_SOFT_RESET);
3149		tmp |= srbm_soft_reset;
3150		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3151		WREG32(mmSRBM_SOFT_RESET, tmp);
3152		tmp = RREG32(mmSRBM_SOFT_RESET);
3153
3154		udelay(50);
3155
3156		tmp &= ~srbm_soft_reset;
3157		WREG32(mmSRBM_SOFT_RESET, tmp);
3158		tmp = RREG32(mmSRBM_SOFT_RESET);
3159
3160		/* Wait a little for things to settle down */
3161		udelay(50);
3162		dce_v11_0_print_status((void *)adev);
3163	}
3164	return 0;
3165}
3166
3167static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3168						     int crtc,
3169						     enum amdgpu_interrupt_state state)
3170{
3171	u32 lb_interrupt_mask;
3172
3173	if (crtc >= adev->mode_info.num_crtc) {
3174		DRM_DEBUG("invalid crtc %d\n", crtc);
3175		return;
3176	}
3177
3178	switch (state) {
3179	case AMDGPU_IRQ_STATE_DISABLE:
3180		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3181		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3182						  VBLANK_INTERRUPT_MASK, 0);
3183		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3184		break;
3185	case AMDGPU_IRQ_STATE_ENABLE:
3186		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3187		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3188						  VBLANK_INTERRUPT_MASK, 1);
3189		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3190		break;
3191	default:
3192		break;
3193	}
3194}
3195
3196static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3197						    int crtc,
3198						    enum amdgpu_interrupt_state state)
3199{
3200	u32 lb_interrupt_mask;
3201
3202	if (crtc >= adev->mode_info.num_crtc) {
3203		DRM_DEBUG("invalid crtc %d\n", crtc);
3204		return;
3205	}
3206
3207	switch (state) {
3208	case AMDGPU_IRQ_STATE_DISABLE:
3209		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3210		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3211						  VLINE_INTERRUPT_MASK, 0);
3212		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3213		break;
3214	case AMDGPU_IRQ_STATE_ENABLE:
3215		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3216		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3217						  VLINE_INTERRUPT_MASK, 1);
3218		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3219		break;
3220	default:
3221		break;
3222	}
3223}
3224
3225static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3226					struct amdgpu_irq_src *source,
3227					unsigned hpd,
3228					enum amdgpu_interrupt_state state)
3229{
3230	u32 tmp;
3231
3232	if (hpd >= adev->mode_info.num_hpd) {
3233		DRM_DEBUG("invalid hdp %d\n", hpd);
3234		return 0;
3235	}
3236
3237	switch (state) {
3238	case AMDGPU_IRQ_STATE_DISABLE:
3239		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3240		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3241		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3242		break;
3243	case AMDGPU_IRQ_STATE_ENABLE:
3244		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3245		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3246		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3247		break;
3248	default:
3249		break;
3250	}
3251
3252	return 0;
3253}
3254
3255static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3256					struct amdgpu_irq_src *source,
3257					unsigned type,
3258					enum amdgpu_interrupt_state state)
3259{
3260	switch (type) {
3261	case AMDGPU_CRTC_IRQ_VBLANK1:
3262		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3263		break;
3264	case AMDGPU_CRTC_IRQ_VBLANK2:
3265		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3266		break;
3267	case AMDGPU_CRTC_IRQ_VBLANK3:
3268		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3269		break;
3270	case AMDGPU_CRTC_IRQ_VBLANK4:
3271		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3272		break;
3273	case AMDGPU_CRTC_IRQ_VBLANK5:
3274		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3275		break;
3276	case AMDGPU_CRTC_IRQ_VBLANK6:
3277		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3278		break;
3279	case AMDGPU_CRTC_IRQ_VLINE1:
3280		dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3281		break;
3282	case AMDGPU_CRTC_IRQ_VLINE2:
3283		dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3284		break;
3285	case AMDGPU_CRTC_IRQ_VLINE3:
3286		dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3287		break;
3288	case AMDGPU_CRTC_IRQ_VLINE4:
3289		dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3290		break;
3291	case AMDGPU_CRTC_IRQ_VLINE5:
3292		dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3293		break;
3294	 case AMDGPU_CRTC_IRQ_VLINE6:
3295		dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3296		break;
3297	default:
3298		break;
3299	}
3300	return 0;
3301}
3302
3303static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3304					    struct amdgpu_irq_src *src,
3305					    unsigned type,
3306					    enum amdgpu_interrupt_state state)
3307{
3308	u32 reg;
3309
3310	if (type >= adev->mode_info.num_crtc) {
3311		DRM_ERROR("invalid pageflip crtc %d\n", type);
3312		return -EINVAL;
3313	}
3314
3315	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3316	if (state == AMDGPU_IRQ_STATE_DISABLE)
3317		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3318		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3319	else
3320		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3321		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3322
3323	return 0;
3324}
3325
3326static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3327				  struct amdgpu_irq_src *source,
3328				  struct amdgpu_iv_entry *entry)
3329{
3330	unsigned long flags;
3331	unsigned crtc_id;
3332	struct amdgpu_crtc *amdgpu_crtc;
3333	struct amdgpu_flip_work *works;
3334
3335	crtc_id = (entry->src_id - 8) >> 1;
3336	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3337
3338	if (crtc_id >= adev->mode_info.num_crtc) {
3339		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3340		return -EINVAL;
3341	}
3342
3343	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3344	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3345		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3346		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3347
3348	/* IRQ could occur when in initial stage */
3349	if(amdgpu_crtc == NULL)
3350		return 0;
3351
3352	spin_lock_irqsave(&adev->ddev->event_lock, flags);
3353	works = amdgpu_crtc->pflip_works;
3354	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3355		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3356						 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3357						 amdgpu_crtc->pflip_status,
3358						 AMDGPU_FLIP_SUBMITTED);
3359		spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3360		return 0;
3361	}
3362
3363	/* page flip completed. clean up */
3364	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3365	amdgpu_crtc->pflip_works = NULL;
3366
3367	/* wakeup usersapce */
3368	if(works->event)
3369		drm_send_vblank_event(adev->ddev, crtc_id, works->event);
3370
3371	spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3372
3373	drm_vblank_put(adev->ddev, amdgpu_crtc->crtc_id);
3374	schedule_work(&works->unpin_work);
3375
3376	return 0;
3377}
3378
3379static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3380				  int hpd)
3381{
3382	u32 tmp;
3383
3384	if (hpd >= adev->mode_info.num_hpd) {
3385		DRM_DEBUG("invalid hdp %d\n", hpd);
3386		return;
3387	}
3388
3389	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3390	tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3391	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3392}
3393
3394static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3395					  int crtc)
3396{
3397	u32 tmp;
3398
3399	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3400		DRM_DEBUG("invalid crtc %d\n", crtc);
3401		return;
3402	}
3403
3404	tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3405	tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3406	WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3407}
3408
3409static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3410					 int crtc)
3411{
3412	u32 tmp;
3413
3414	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3415		DRM_DEBUG("invalid crtc %d\n", crtc);
3416		return;
3417	}
3418
3419	tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3420	tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3421	WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3422}
3423
3424static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3425				struct amdgpu_irq_src *source,
3426				struct amdgpu_iv_entry *entry)
3427{
3428	unsigned crtc = entry->src_id - 1;
3429	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3430	unsigned irq_type = amdgpu_crtc_idx_to_irq_type(adev, crtc);
 
3431
3432	switch (entry->src_data) {
3433	case 0: /* vblank */
3434		if (disp_int & interrupt_status_offsets[crtc].vblank)
3435			dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3436		else
3437			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3438
3439		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3440			drm_handle_vblank(adev->ddev, crtc);
3441		}
3442		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3443
3444		break;
3445	case 1: /* vline */
3446		if (disp_int & interrupt_status_offsets[crtc].vline)
3447			dce_v11_0_crtc_vline_int_ack(adev, crtc);
3448		else
3449			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3450
3451		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3452
3453		break;
3454	default:
3455		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3456		break;
3457	}
3458
3459	return 0;
3460}
3461
3462static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3463			     struct amdgpu_irq_src *source,
3464			     struct amdgpu_iv_entry *entry)
3465{
3466	uint32_t disp_int, mask;
3467	unsigned hpd;
3468
3469	if (entry->src_data >= adev->mode_info.num_hpd) {
3470		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3471		return 0;
3472	}
3473
3474	hpd = entry->src_data;
3475	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3476	mask = interrupt_status_offsets[hpd].hpd;
3477
3478	if (disp_int & mask) {
3479		dce_v11_0_hpd_int_ack(adev, hpd);
3480		schedule_work(&adev->hotplug_work);
3481		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3482	}
3483
3484	return 0;
3485}
3486
3487static int dce_v11_0_set_clockgating_state(void *handle,
3488					  enum amd_clockgating_state state)
3489{
3490	return 0;
3491}
3492
3493static int dce_v11_0_set_powergating_state(void *handle,
3494					  enum amd_powergating_state state)
3495{
3496	return 0;
3497}
3498
3499const struct amd_ip_funcs dce_v11_0_ip_funcs = {
 
3500	.early_init = dce_v11_0_early_init,
3501	.late_init = NULL,
3502	.sw_init = dce_v11_0_sw_init,
3503	.sw_fini = dce_v11_0_sw_fini,
3504	.hw_init = dce_v11_0_hw_init,
3505	.hw_fini = dce_v11_0_hw_fini,
3506	.suspend = dce_v11_0_suspend,
3507	.resume = dce_v11_0_resume,
3508	.is_idle = dce_v11_0_is_idle,
3509	.wait_for_idle = dce_v11_0_wait_for_idle,
3510	.soft_reset = dce_v11_0_soft_reset,
3511	.print_status = dce_v11_0_print_status,
3512	.set_clockgating_state = dce_v11_0_set_clockgating_state,
3513	.set_powergating_state = dce_v11_0_set_powergating_state,
3514};
3515
3516static void
3517dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3518			  struct drm_display_mode *mode,
3519			  struct drm_display_mode *adjusted_mode)
3520{
3521	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3522
3523	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3524
3525	/* need to call this here rather than in prepare() since we need some crtc info */
3526	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3527
3528	/* set scaler clears this on some chips */
3529	dce_v11_0_set_interleave(encoder->crtc, mode);
3530
3531	if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3532		dce_v11_0_afmt_enable(encoder, true);
3533		dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3534	}
3535}
3536
3537static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3538{
3539	struct amdgpu_device *adev = encoder->dev->dev_private;
3540	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3541	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3542
3543	if ((amdgpu_encoder->active_device &
3544	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3545	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3546	     ENCODER_OBJECT_ID_NONE)) {
3547		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3548		if (dig) {
3549			dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3550			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3551				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3552		}
3553	}
3554
3555	amdgpu_atombios_scratch_regs_lock(adev, true);
3556
3557	if (connector) {
3558		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3559
3560		/* select the clock/data port if it uses a router */
3561		if (amdgpu_connector->router.cd_valid)
3562			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3563
3564		/* turn eDP panel on for mode set */
3565		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3566			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3567							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3568	}
3569
3570	/* this is needed for the pll/ss setup to work correctly in some cases */
3571	amdgpu_atombios_encoder_set_crtc_source(encoder);
3572	/* set up the FMT blocks */
3573	dce_v11_0_program_fmt(encoder);
3574}
3575
3576static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3577{
3578	struct drm_device *dev = encoder->dev;
3579	struct amdgpu_device *adev = dev->dev_private;
3580
3581	/* need to call this here as we need the crtc set up */
3582	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3583	amdgpu_atombios_scratch_regs_lock(adev, false);
3584}
3585
3586static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3587{
3588	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3589	struct amdgpu_encoder_atom_dig *dig;
3590
3591	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3592
3593	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3594		if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3595			dce_v11_0_afmt_enable(encoder, false);
3596		dig = amdgpu_encoder->enc_priv;
3597		dig->dig_encoder = -1;
3598	}
3599	amdgpu_encoder->active_device = 0;
3600}
3601
3602/* these are handled by the primary encoders */
3603static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3604{
3605
3606}
3607
3608static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3609{
3610
3611}
3612
3613static void
3614dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3615		      struct drm_display_mode *mode,
3616		      struct drm_display_mode *adjusted_mode)
3617{
3618
3619}
3620
3621static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3622{
3623
3624}
3625
3626static void
3627dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3628{
3629
3630}
3631
3632static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3633	.dpms = dce_v11_0_ext_dpms,
3634	.prepare = dce_v11_0_ext_prepare,
3635	.mode_set = dce_v11_0_ext_mode_set,
3636	.commit = dce_v11_0_ext_commit,
3637	.disable = dce_v11_0_ext_disable,
3638	/* no detect for TMDS/LVDS yet */
3639};
3640
3641static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3642	.dpms = amdgpu_atombios_encoder_dpms,
3643	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3644	.prepare = dce_v11_0_encoder_prepare,
3645	.mode_set = dce_v11_0_encoder_mode_set,
3646	.commit = dce_v11_0_encoder_commit,
3647	.disable = dce_v11_0_encoder_disable,
3648	.detect = amdgpu_atombios_encoder_dig_detect,
3649};
3650
3651static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3652	.dpms = amdgpu_atombios_encoder_dpms,
3653	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3654	.prepare = dce_v11_0_encoder_prepare,
3655	.mode_set = dce_v11_0_encoder_mode_set,
3656	.commit = dce_v11_0_encoder_commit,
3657	.detect = amdgpu_atombios_encoder_dac_detect,
3658};
3659
3660static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3661{
3662	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3663	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3664		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3665	kfree(amdgpu_encoder->enc_priv);
3666	drm_encoder_cleanup(encoder);
3667	kfree(amdgpu_encoder);
3668}
3669
3670static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3671	.destroy = dce_v11_0_encoder_destroy,
3672};
3673
3674static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3675				 uint32_t encoder_enum,
3676				 uint32_t supported_device,
3677				 u16 caps)
3678{
3679	struct drm_device *dev = adev->ddev;
3680	struct drm_encoder *encoder;
3681	struct amdgpu_encoder *amdgpu_encoder;
3682
3683	/* see if we already added it */
3684	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3685		amdgpu_encoder = to_amdgpu_encoder(encoder);
3686		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3687			amdgpu_encoder->devices |= supported_device;
3688			return;
3689		}
3690
3691	}
3692
3693	/* add a new one */
3694	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3695	if (!amdgpu_encoder)
3696		return;
3697
3698	encoder = &amdgpu_encoder->base;
3699	switch (adev->mode_info.num_crtc) {
3700	case 1:
3701		encoder->possible_crtcs = 0x1;
3702		break;
3703	case 2:
3704	default:
3705		encoder->possible_crtcs = 0x3;
3706		break;
 
 
 
3707	case 4:
3708		encoder->possible_crtcs = 0xf;
3709		break;
 
 
 
3710	case 6:
3711		encoder->possible_crtcs = 0x3f;
3712		break;
3713	}
3714
3715	amdgpu_encoder->enc_priv = NULL;
3716
3717	amdgpu_encoder->encoder_enum = encoder_enum;
3718	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3719	amdgpu_encoder->devices = supported_device;
3720	amdgpu_encoder->rmx_type = RMX_OFF;
3721	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3722	amdgpu_encoder->is_ext_encoder = false;
3723	amdgpu_encoder->caps = caps;
3724
3725	switch (amdgpu_encoder->encoder_id) {
3726	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3727	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3728		drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3729				 DRM_MODE_ENCODER_DAC, NULL);
3730		drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3731		break;
3732	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3733	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3734	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3735	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3736	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3737		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3738			amdgpu_encoder->rmx_type = RMX_FULL;
3739			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3740					 DRM_MODE_ENCODER_LVDS, NULL);
3741			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3742		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3743			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3744					 DRM_MODE_ENCODER_DAC, NULL);
3745			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3746		} else {
3747			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3748					 DRM_MODE_ENCODER_TMDS, NULL);
3749			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3750		}
3751		drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3752		break;
3753	case ENCODER_OBJECT_ID_SI170B:
3754	case ENCODER_OBJECT_ID_CH7303:
3755	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3756	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3757	case ENCODER_OBJECT_ID_TITFP513:
3758	case ENCODER_OBJECT_ID_VT1623:
3759	case ENCODER_OBJECT_ID_HDMI_SI1930:
3760	case ENCODER_OBJECT_ID_TRAVIS:
3761	case ENCODER_OBJECT_ID_NUTMEG:
3762		/* these are handled by the primary encoders */
3763		amdgpu_encoder->is_ext_encoder = true;
3764		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3765			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3766					 DRM_MODE_ENCODER_LVDS, NULL);
3767		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3768			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3769					 DRM_MODE_ENCODER_DAC, NULL);
3770		else
3771			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3772					 DRM_MODE_ENCODER_TMDS, NULL);
3773		drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3774		break;
3775	}
3776}
3777
3778static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3779	.set_vga_render_state = &dce_v11_0_set_vga_render_state,
3780	.bandwidth_update = &dce_v11_0_bandwidth_update,
3781	.vblank_get_counter = &dce_v11_0_vblank_get_counter,
3782	.vblank_wait = &dce_v11_0_vblank_wait,
3783	.is_display_hung = &dce_v11_0_is_display_hung,
3784	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3785	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3786	.hpd_sense = &dce_v11_0_hpd_sense,
3787	.hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3788	.hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3789	.page_flip = &dce_v11_0_page_flip,
3790	.page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3791	.add_encoder = &dce_v11_0_encoder_add,
3792	.add_connector = &amdgpu_connector_add,
3793	.stop_mc_access = &dce_v11_0_stop_mc_access,
3794	.resume_mc_access = &dce_v11_0_resume_mc_access,
3795};
3796
3797static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3798{
3799	if (adev->mode_info.funcs == NULL)
3800		adev->mode_info.funcs = &dce_v11_0_display_funcs;
3801}
3802
3803static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3804	.set = dce_v11_0_set_crtc_irq_state,
3805	.process = dce_v11_0_crtc_irq,
3806};
3807
3808static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3809	.set = dce_v11_0_set_pageflip_irq_state,
3810	.process = dce_v11_0_pageflip_irq,
3811};
3812
3813static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3814	.set = dce_v11_0_set_hpd_irq_state,
3815	.process = dce_v11_0_hpd_irq,
3816};
3817
3818static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3819{
3820	adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_LAST;
 
 
 
3821	adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3822
3823	adev->pageflip_irq.num_types = AMDGPU_PAGEFLIP_IRQ_LAST;
3824	adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3825
3826	adev->hpd_irq.num_types = AMDGPU_HPD_LAST;
3827	adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3828}