xref: /haiku/src/add-ons/accelerants/radeon_hd/display.cpp (revision ca8ed5ea660fb6275799a3b7f138b201c41a667b)
1 /*
2  * Copyright 2006-2013, Haiku, Inc. All Rights Reserved.
3  * Distributed under the terms of the MIT License.
4  *
5  * Authors:
6  *	Alexander von Gluck, kallisti5@unixzen.com
7  *	Bill Randle, billr@neocat.org
8  */
9 
10 /*
11  * It's dangerous to go alone, take this!
12  *	framebuffer -> crtc -> encoder -> transmitter -> connector -> monitor
13  */
14 
15 
16 #include "display.h"
17 
18 #include <stdlib.h>
19 #include <string.h>
20 
21 #include "accelerant.h"
22 #include "accelerant_protos.h"
23 #include "bios.h"
24 #include "connector.h"
25 #include "displayport.h"
26 #include "encoder.h"
27 
28 
29 #define TRACE_DISPLAY
30 #ifdef TRACE_DISPLAY
31 extern "C" void _sPrintf(const char* format, ...);
32 #   define TRACE(x...) _sPrintf("radeon_hd: " x)
33 #else
34 #   define TRACE(x...) ;
35 #endif
36 
37 #define ERROR(x...) _sPrintf("radeon_hd: " x)
38 
39 
40 /*! Populate regs with device dependant register locations */
41 status_t
42 init_registers(register_info* regs, uint8 crtcID)
43 {
44 	memset(regs, 0, sizeof(register_info));
45 
46 	radeon_shared_info &info = *gInfo->shared_info;
47 
48 	if (info.chipsetID >= RADEON_CEDAR) {
49 		// Evergreen
50 		uint32 offset = 0;
51 
52 		switch (crtcID) {
53 			case 0:
54 				offset = EVERGREEN_CRTC0_REGISTER_OFFSET;
55 				regs->vgaControl = AVIVO_D1VGA_CONTROL;
56 				break;
57 			case 1:
58 				offset = EVERGREEN_CRTC1_REGISTER_OFFSET;
59 				regs->vgaControl = AVIVO_D2VGA_CONTROL;
60 				break;
61 			case 2:
62 				offset = EVERGREEN_CRTC2_REGISTER_OFFSET;
63 				regs->vgaControl = EVERGREEN_D3VGA_CONTROL;
64 				break;
65 			case 3:
66 				offset = EVERGREEN_CRTC3_REGISTER_OFFSET;
67 				regs->vgaControl = EVERGREEN_D4VGA_CONTROL;
68 				break;
69 			case 4:
70 				offset = EVERGREEN_CRTC4_REGISTER_OFFSET;
71 				regs->vgaControl = EVERGREEN_D5VGA_CONTROL;
72 				break;
73 			case 5:
74 				offset = EVERGREEN_CRTC5_REGISTER_OFFSET;
75 				regs->vgaControl = EVERGREEN_D6VGA_CONTROL;
76 				break;
77 			default:
78 				ERROR("%s: Unknown CRTC %" B_PRIu32 "\n",
79 					__func__, crtcID);
80 				return B_ERROR;
81 		}
82 
83 		regs->crtcOffset = offset;
84 
85 		regs->grphEnable = EVERGREEN_GRPH_ENABLE + offset;
86 		regs->grphControl = EVERGREEN_GRPH_CONTROL + offset;
87 		regs->grphSwapControl = EVERGREEN_GRPH_SWAP_CONTROL + offset;
88 
89 		regs->grphPrimarySurfaceAddr
90 			= EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + offset;
91 		regs->grphSecondarySurfaceAddr
92 			= EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + offset;
93 		regs->grphPrimarySurfaceAddrHigh
94 			= EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + offset;
95 		regs->grphSecondarySurfaceAddrHigh
96 			= EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + offset;
97 
98 		regs->grphPitch = EVERGREEN_GRPH_PITCH + offset;
99 		regs->grphSurfaceOffsetX
100 			= EVERGREEN_GRPH_SURFACE_OFFSET_X + offset;
101 		regs->grphSurfaceOffsetY
102 			= EVERGREEN_GRPH_SURFACE_OFFSET_Y + offset;
103 		regs->grphXStart = EVERGREEN_GRPH_X_START + offset;
104 		regs->grphYStart = EVERGREEN_GRPH_Y_START + offset;
105 		regs->grphXEnd = EVERGREEN_GRPH_X_END + offset;
106 		regs->grphYEnd = EVERGREEN_GRPH_Y_END + offset;
107 		regs->modeDesktopHeight = EVERGREEN_DESKTOP_HEIGHT + offset;
108 		regs->modeDataFormat = EVERGREEN_DATA_FORMAT + offset;
109 		regs->viewportStart = EVERGREEN_VIEWPORT_START + offset;
110 		regs->viewportSize = EVERGREEN_VIEWPORT_SIZE + offset;
111 
112 	} else if (info.chipsetID >= RADEON_RV770) {
113 		// R700 series
114 		uint32 offset = 0;
115 
116 		switch (crtcID) {
117 			case 0:
118 				offset = R700_CRTC0_REGISTER_OFFSET;
119 				regs->vgaControl = AVIVO_D1VGA_CONTROL;
120 				regs->grphPrimarySurfaceAddrHigh
121 					= R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH;
122 				break;
123 			case 1:
124 				offset = R700_CRTC1_REGISTER_OFFSET;
125 				regs->vgaControl = AVIVO_D2VGA_CONTROL;
126 				regs->grphPrimarySurfaceAddrHigh
127 					= R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH;
128 				break;
129 			default:
130 				ERROR("%s: Unknown CRTC %" B_PRIu32 "\n",
131 					__func__, crtcID);
132 				return B_ERROR;
133 		}
134 
135 		regs->crtcOffset = offset;
136 
137 		regs->grphEnable = AVIVO_D1GRPH_ENABLE + offset;
138 		regs->grphControl = AVIVO_D1GRPH_CONTROL + offset;
139 		regs->grphSwapControl = AVIVO_D1GRPH_SWAP_CNTL + offset;
140 
141 		regs->grphPrimarySurfaceAddr
142 			= R700_D1GRPH_PRIMARY_SURFACE_ADDRESS + offset;
143 		regs->grphSecondarySurfaceAddr
144 			= R700_D1GRPH_SECONDARY_SURFACE_ADDRESS + offset;
145 
146 		regs->grphPitch = AVIVO_D1GRPH_PITCH + offset;
147 		regs->grphSurfaceOffsetX = AVIVO_D1GRPH_SURFACE_OFFSET_X + offset;
148 		regs->grphSurfaceOffsetY = AVIVO_D1GRPH_SURFACE_OFFSET_Y + offset;
149 		regs->grphXStart = AVIVO_D1GRPH_X_START + offset;
150 		regs->grphYStart = AVIVO_D1GRPH_Y_START + offset;
151 		regs->grphXEnd = AVIVO_D1GRPH_X_END + offset;
152 		regs->grphYEnd = AVIVO_D1GRPH_Y_END + offset;
153 
154 		regs->modeDesktopHeight = AVIVO_D1MODE_DESKTOP_HEIGHT + offset;
155 		regs->modeDataFormat = AVIVO_D1MODE_DATA_FORMAT + offset;
156 		regs->viewportStart = AVIVO_D1MODE_VIEWPORT_START + offset;
157 		regs->viewportSize = AVIVO_D1MODE_VIEWPORT_SIZE + offset;
158 
159 	} else if (info.chipsetID >= RADEON_RS600) {
160 		// Avivo+
161 		uint32 offset = 0;
162 
163 		switch (crtcID) {
164 			case 0:
165 				offset = R600_CRTC0_REGISTER_OFFSET;
166 				regs->vgaControl = AVIVO_D1VGA_CONTROL;
167 				break;
168 			case 1:
169 				offset = R600_CRTC1_REGISTER_OFFSET;
170 				regs->vgaControl = AVIVO_D2VGA_CONTROL;
171 				break;
172 			default:
173 				ERROR("%s: Unknown CRTC %" B_PRIu32 "\n",
174 					__func__, crtcID);
175 				return B_ERROR;
176 		}
177 
178 		regs->crtcOffset = offset;
179 
180 		regs->grphEnable = AVIVO_D1GRPH_ENABLE + offset;
181 		regs->grphControl = AVIVO_D1GRPH_CONTROL + offset;
182 		regs->grphSwapControl = AVIVO_D1GRPH_SWAP_CNTL + offset;
183 
184 		regs->grphPrimarySurfaceAddr
185 			= AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + offset;
186 		regs->grphSecondarySurfaceAddr
187 			= AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + offset;
188 
189 		// Surface Address high only used on r700 and higher
190 		regs->grphPrimarySurfaceAddrHigh = 0xDEAD;
191 		regs->grphSecondarySurfaceAddrHigh = 0xDEAD;
192 
193 		regs->grphPitch = AVIVO_D1GRPH_PITCH + offset;
194 		regs->grphSurfaceOffsetX = AVIVO_D1GRPH_SURFACE_OFFSET_X + offset;
195 		regs->grphSurfaceOffsetY = AVIVO_D1GRPH_SURFACE_OFFSET_Y + offset;
196 		regs->grphXStart = AVIVO_D1GRPH_X_START + offset;
197 		regs->grphYStart = AVIVO_D1GRPH_Y_START + offset;
198 		regs->grphXEnd = AVIVO_D1GRPH_X_END + offset;
199 		regs->grphYEnd = AVIVO_D1GRPH_Y_END + offset;
200 
201 		regs->modeDesktopHeight = AVIVO_D1MODE_DESKTOP_HEIGHT + offset;
202 		regs->modeDataFormat = AVIVO_D1MODE_DATA_FORMAT + offset;
203 		regs->viewportStart = AVIVO_D1MODE_VIEWPORT_START + offset;
204 		regs->viewportSize = AVIVO_D1MODE_VIEWPORT_SIZE + offset;
205 	} else {
206 		// this really shouldn't happen unless a driver PCIID chipset is wrong
207 		TRACE("%s, unknown Radeon chipset: %s\n", __func__,
208 			info.chipsetName);
209 		return B_ERROR;
210 	}
211 
212 	TRACE("%s, registers for ATI chipset %s crt #%d loaded\n", __func__,
213 		info.chipsetName, crtcID);
214 
215 	return B_OK;
216 }
217 
218 
219 status_t
220 detect_crt_ranges(uint32 crtid)
221 {
222 	edid1_info* edid = &gDisplay[crtid]->edidData;
223 
224 	// Scan each display EDID description for monitor ranges
225 	for (uint32 index = 0; index < EDID1_NUM_DETAILED_MONITOR_DESC; index++) {
226 
227 		edid1_detailed_monitor* monitor
228 			= &edid->detailed_monitor[index];
229 
230 		if (monitor->monitor_desc_type == EDID1_MONITOR_RANGES) {
231 			edid1_monitor_range range = monitor->data.monitor_range;
232 			gDisplay[crtid]->vfreqMin = range.min_v;   /* in Hz */
233 			gDisplay[crtid]->vfreqMax = range.max_v;
234 			gDisplay[crtid]->hfreqMin = range.min_h;   /* in kHz */
235 			gDisplay[crtid]->hfreqMax = range.max_h;
236 			return B_OK;
237 		}
238 	}
239 
240 	return B_ERROR;
241 }
242 
243 
244 status_t
245 detect_displays()
246 {
247 	// reset known displays
248 	for (uint32 id = 0; id < MAX_DISPLAY; id++) {
249 		gDisplay[id]->attached = false;
250 		gDisplay[id]->powered = false;
251 		gDisplay[id]->foundRanges = false;
252 	}
253 
254 	uint32 displayIndex = 0;
255 	for (uint32 id = 0; id < ATOM_MAX_SUPPORTED_DEVICE; id++) {
256 		if (gConnector[id]->valid == false)
257 			continue;
258 		if (displayIndex >= MAX_DISPLAY)
259 			continue;
260 
261 		if (gConnector[id]->type == VIDEO_CONNECTOR_9DIN) {
262 			TRACE("%s: connector(%" B_PRIu32 "): Skipping 9DIN connector "
263 				"(not yet supported)\n", __func__, id);
264 			continue;
265 		}
266 
267 		if (gConnector[id]->type == VIDEO_CONNECTOR_DP) {
268 			TRACE("%s: connector(%" B_PRIu32 "): Checking DP.\n", __func__, id);
269 
270 			if (gConnector[id]->encoderExternal.valid == true) {
271 				// If this has a valid external encoder (dp bridge)
272 				// normally TRAVIS (LVDS) or NUTMEG (VGA)
273 				TRACE("%s: external encoder, performing bridge DDC setup\n",
274 					__func__);
275 				encoder_external_setup(id,
276 					EXTERNAL_ENCODER_ACTION_V3_DDC_SETUP);
277 			}
278 			edid1_info* edid = &gDisplay[displayIndex]->edidData;
279 			gDisplay[displayIndex]->attached
280 				= ddc2_dp_read_edid1(id, edid);
281 
282 			// TODO: DDC Router switching for DisplayPort (and others?)
283 
284 			if (gDisplay[displayIndex]->attached) {
285 				TRACE("%s: connector(%" B_PRIu32 "): Found DisplayPort EDID!\n",
286 					__func__, id);
287 			}
288 		}
289 
290 
291 		if (gConnector[id]->type == VIDEO_CONNECTOR_LVDS) {
292 			display_mode preferredMode;
293 			bool lvdsInfoFound = connector_read_mode_lvds(id,
294 				&preferredMode);
295 			TRACE("%s: connector(%" B_PRIu32 "): bit-banging LVDS for EDID.\n",
296 				__func__, id);
297 
298 			gDisplay[displayIndex]->attached = connector_read_edid(id,
299 				&gDisplay[displayIndex]->edidData);
300 
301 			if (!gDisplay[displayIndex]->attached && lvdsInfoFound) {
302 				// If we didn't find ddc edid data, fallback to lvdsInfo
303 				// We have to call connector_read_mode_lvds first to
304 				// collect SS data for the lvds connector
305 				TRACE("%s: connector(%" B_PRIu32 "): using AtomBIOS LVDS_Info "
306 					"preferred mode\n", __func__, id);
307 				gDisplay[displayIndex]->attached = true;
308 				memcpy(&gDisplay[displayIndex]->preferredMode,
309 					&preferredMode, sizeof(display_mode));
310 			}
311 		}
312 
313 		// If no display found yet, try more standard detection methods
314 		if (gDisplay[displayIndex]->attached == false) {
315 			TRACE("%s: connector(%" B_PRIu32 "): bit-banging ddc for EDID.\n",
316 				__func__, id);
317 
318 			// Bit-bang edid from connector
319 			gDisplay[displayIndex]->attached = connector_read_edid(id,
320 				&gDisplay[displayIndex]->edidData);
321 
322 			// Found EDID data?
323 			if (gDisplay[displayIndex]->attached) {
324 				TRACE("%s: connector(%" B_PRIu32 "): found EDID data.\n",
325 					__func__, id);
326 
327 				if (gConnector[id]->type == VIDEO_CONNECTOR_DVII
328 					|| gConnector[id]->type == VIDEO_CONNECTOR_HDMIB) {
329 					// These connectors can share gpio pins for data
330 					// communication between digital and analog encoders
331 					// (DVI-I is most common)
332 					edid1_info* edid = &gDisplay[displayIndex]->edidData;
333 
334 					bool analogEncoder
335 						= gConnector[id]->encoder.type == VIDEO_ENCODER_TVDAC
336 						|| gConnector[id]->encoder.type == VIDEO_ENCODER_DAC;
337 					bool digitalEncoder
338 						= gConnector[id]->encoder.type == VIDEO_ENCODER_TMDS;
339 
340 					bool digitalEdid = edid->display.input_type ? true : false;
341 
342 					if (digitalEdid && analogEncoder) {
343 						// Digital EDID + analog encoder? Lets try a load test
344 						gDisplay[displayIndex]->attached
345 							= encoder_analog_load_detect(id);
346 					} else if (!digitalEdid && digitalEncoder) {
347 						// non-digital EDID + digital encoder? Nope.
348 						gDisplay[displayIndex]->attached = false;
349 					}
350 
351 					// Else... everything aligns as it should and attached = 1
352 				}
353 			}
354 		}
355 
356 		if (gDisplay[displayIndex]->attached != true) {
357 			// Nothing interesting here, move along
358 			continue;
359 		}
360 
361 		// We found a valid / attached display
362 
363 		gDisplay[displayIndex]->connectorIndex = id;
364 			// Populate physical connector index from gConnector
365 
366 		init_registers(gDisplay[displayIndex]->regs, displayIndex);
367 
368 		if (gDisplay[displayIndex]->preferredMode.virtual_width > 0) {
369 			// Found a single preferred mode
370 			gDisplay[displayIndex]->foundRanges = false;
371 		} else {
372 			// Use edid data and pull ranges
373 			if (detect_crt_ranges(displayIndex) == B_OK)
374 				gDisplay[displayIndex]->foundRanges = true;
375 		}
376 
377 		displayIndex++;
378 	}
379 
380 	// fallback if no attached monitors were found
381 	if (displayIndex == 0) {
382 		// This is a hack, however as we don't support HPD just yet,
383 		// it tries to prevent a "no displays" situation.
384 		ERROR("%s: ERROR: 0 attached monitors were found on display connectors."
385 			" Injecting first connector as a last resort.\n", __func__);
386 		for (uint32 id = 0; id < ATOM_MAX_SUPPORTED_DEVICE; id++) {
387 			// skip TV DAC connectors as likely fallback isn't for TV
388 			if (gConnector[id]->encoder.type == VIDEO_ENCODER_TVDAC)
389 				continue;
390 			gDisplay[0]->attached = true;
391 			gDisplay[0]->connectorIndex = id;
392 			init_registers(gDisplay[0]->regs, 0);
393 			if (detect_crt_ranges(0) == B_OK)
394 				gDisplay[0]->foundRanges = true;
395 			break;
396 		}
397 	}
398 
399 	// Initial boot state is the first two crtc's powered
400 	if (gDisplay[0]->attached == true)
401 		gDisplay[0]->powered = true;
402 	if (gDisplay[1]->attached == true)
403 		gDisplay[1]->powered = true;
404 
405 	return B_OK;
406 }
407 
408 
409 void
410 debug_displays()
411 {
412 	TRACE("Currently detected monitors===============\n");
413 	for (uint32 id = 0; id < MAX_DISPLAY; id++) {
414 		ERROR("Display #%" B_PRIu32 " attached = %s\n",
415 			id, gDisplay[id]->attached ? "true" : "false");
416 
417 		uint32 connectorIndex = gDisplay[id]->connectorIndex;
418 
419 		if (gDisplay[id]->attached) {
420 			uint32 connectorType = gConnector[connectorIndex]->type;
421 			uint32 encoderType = gConnector[connectorIndex]->encoder.type;
422 			ERROR(" + connector ID:   %" B_PRIu32 "\n", connectorIndex);
423 			ERROR(" + connector type: %s\n", get_connector_name(connectorType));
424 			ERROR(" + encoder type:   %s\n", get_encoder_name(encoderType));
425 			ERROR(" + limits: Vert Min/Max: %" B_PRIu32 "/%" B_PRIu32"\n",
426 				gDisplay[id]->vfreqMin, gDisplay[id]->vfreqMax);
427 			ERROR(" + limits: Horz Min/Max: %" B_PRIu32 "/%" B_PRIu32"\n",
428 				gDisplay[id]->hfreqMin, gDisplay[id]->hfreqMax);
429 		}
430 	}
431 	TRACE("==========================================\n");
432 }
433 
434 
435 uint32
436 display_get_encoder_mode(uint32 connectorIndex)
437 {
438 	// Is external DisplayPort Bridge?
439 	if (gConnector[connectorIndex]->encoderExternal.valid == true
440 		&& gConnector[connectorIndex]->encoderExternal.isDPBridge == true) {
441 		return ATOM_ENCODER_MODE_DP;
442 	}
443 
444 	// DVO Encoders (should be bridges)
445 	switch (gConnector[connectorIndex]->encoder.objectID) {
446 		case ENCODER_OBJECT_ID_INTERNAL_DVO1:
447 		case ENCODER_OBJECT_ID_INTERNAL_DDI:
448 		case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
449 			return ATOM_ENCODER_MODE_DVO;
450 	}
451 
452 	// Find crtc for connector so we can identify source of edid data
453 	int32 crtc = -1;
454 	for (int32 id = 0; id < MAX_DISPLAY; id++) {
455 		if (gDisplay[id]->connectorIndex == connectorIndex) {
456 			crtc = id;
457 			break;
458 		}
459 	}
460 	bool edidDigital = false;
461 	if (crtc == -1) {
462 		ERROR("%s: BUG: executed on connector without crtc!\n", __func__);
463 	} else {
464 		edid1_info* edid = &gDisplay[crtc]->edidData;
465 		edidDigital = edid->display.input_type ? true : false;
466 	}
467 
468 	// Normal encoder situations
469 	switch (gConnector[connectorIndex]->type) {
470 		case VIDEO_CONNECTOR_DVII:
471 		case VIDEO_CONNECTOR_HDMIB: /* HDMI-B is DL-DVI; analog works fine */
472 			// TODO: if audio detected on edid and DCE4, ATOM_ENCODER_MODE_DVI
473 			//        if audio detected on edid not DCE4, ATOM_ENCODER_MODE_HDMI
474 			if (edidDigital)
475 				return ATOM_ENCODER_MODE_DVI;
476 			else
477 				return ATOM_ENCODER_MODE_CRT;
478 			break;
479 		case VIDEO_CONNECTOR_DVID:
480 		case VIDEO_CONNECTOR_HDMIA:
481 		default:
482 			// TODO: if audio detected on edid and DCE4, ATOM_ENCODER_MODE_DVI
483 			//        if audio detected on edid not DCE4, ATOM_ENCODER_MODE_HDMI
484 			return ATOM_ENCODER_MODE_DVI;
485 		case VIDEO_CONNECTOR_LVDS:
486 			return ATOM_ENCODER_MODE_LVDS;
487 		case VIDEO_CONNECTOR_DP:
488 			// dig_connector = radeon_connector->con_priv;
489 			// if ((dig_connector->dp_sink_type
490 			//	== CONNECTOR_OBJECT_ID_DISPLAYPORT)
491 			// 	|| (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
492 			// 	return ATOM_ENCODER_MODE_DP;
493 			// }
494 			// TODO: if audio detected on edid and DCE4, ATOM_ENCODER_MODE_DVI
495 			//        if audio detected on edid not DCE4, ATOM_ENCODER_MODE_HDMI
496 			return ATOM_ENCODER_MODE_DP;
497 		case VIDEO_CONNECTOR_EDP:
498 			return ATOM_ENCODER_MODE_DP;
499 		case VIDEO_CONNECTOR_DVIA:
500 		case VIDEO_CONNECTOR_VGA:
501 			return ATOM_ENCODER_MODE_CRT;
502 		case VIDEO_CONNECTOR_COMPOSITE:
503 		case VIDEO_CONNECTOR_SVIDEO:
504 		case VIDEO_CONNECTOR_9DIN:
505 			return ATOM_ENCODER_MODE_TV;
506 	}
507 }
508 
509 
510 void
511 display_crtc_lock(uint8 crtcID, int command)
512 {
513 	TRACE("%s\n", __func__);
514 
515 	ENABLE_CRTC_PS_ALLOCATION args;
516 	int index
517 		= GetIndexIntoMasterTable(COMMAND, UpdateCRTC_DoubleBufferRegisters);
518 
519 	memset(&args, 0, sizeof(args));
520 
521 	args.ucCRTC = crtcID;
522 	args.ucEnable = command;
523 
524 	atom_execute_table(gAtomContext, index, (uint32*)&args);
525 }
526 
527 
528 void
529 display_crtc_blank(uint8 crtcID, int command)
530 {
531 	TRACE("%s\n", __func__);
532 
533 	BLANK_CRTC_PS_ALLOCATION args;
534 	int index = GetIndexIntoMasterTable(COMMAND, BlankCRTC);
535 
536 	memset(&args, 0, sizeof(args));
537 
538 	args.ucCRTC = crtcID;
539 	args.ucBlanking = command;
540 
541 	args.usBlackColorRCr = 0;
542 	args.usBlackColorGY = 0;
543 	args.usBlackColorBCb = 0;
544 
545 	atom_execute_table(gAtomContext, index, (uint32*)&args);
546 }
547 
548 
549 void
550 display_crtc_scale(uint8 crtcID, display_mode* mode)
551 {
552 	TRACE("%s\n", __func__);
553 	ENABLE_SCALER_PS_ALLOCATION args;
554 	int index = GetIndexIntoMasterTable(COMMAND, EnableScaler);
555 
556 	memset(&args, 0, sizeof(args));
557 
558 	args.ucScaler = crtcID;
559 	args.ucEnable = ATOM_SCALER_DISABLE;
560 
561 	atom_execute_table(gAtomContext, index, (uint32*)&args);
562 }
563 
564 
565 void
566 display_crtc_dpms(uint8 crtcID, int mode)
567 {
568 	radeon_shared_info &info = *gInfo->shared_info;
569 
570 	switch (mode) {
571 		case B_DPMS_ON:
572 			TRACE("%s: crtc %" B_PRIu8 " dpms powerup\n", __func__, crtcID);
573 			if (gDisplay[crtcID]->attached == false)
574 				return;
575 			display_crtc_power(crtcID, ATOM_ENABLE);
576 			gDisplay[crtcID]->powered = true;
577 			if (info.dceMajor >= 3 && info.dceMajor < 6)
578 				display_crtc_memreq(crtcID, ATOM_ENABLE);
579 			display_crtc_blank(crtcID, ATOM_BLANKING_OFF);
580 			break;
581 		case B_DPMS_STAND_BY:
582 		case B_DPMS_SUSPEND:
583 		case B_DPMS_OFF:
584 			TRACE("%s: crtc %" B_PRIu8 " dpms powerdown\n", __func__, crtcID);
585 			if (gDisplay[crtcID]->attached == false)
586 				return;
587 			if (gDisplay[crtcID]->powered == true)
588 				display_crtc_blank(crtcID, ATOM_BLANKING);
589 			if (info.dceMajor >= 3 && info.dceMajor < 6)
590 				display_crtc_memreq(crtcID, ATOM_DISABLE);
591 			display_crtc_power(crtcID, ATOM_DISABLE);
592 			gDisplay[crtcID]->powered = false;
593 	}
594 }
595 
596 
597 void
598 display_dce45_crtc_load_lut(uint8 crtcID)
599 {
600 	radeon_shared_info &info = *gInfo->shared_info;
601 	register_info* regs = gDisplay[crtcID]->regs;
602 
603 	TRACE("%s: crtcID %" B_PRIu8 "\n", __func__, crtcID);
604 
605 	uint16* r = info.color_data;
606 	uint16* g = r + 256;
607 	uint16* b = r + 512;
608 
609 	if (info.dceMajor >= 5) {
610 		Write32(OUT, NI_INPUT_CSC_CONTROL + regs->crtcOffset,
611 			NI_INPUT_CSC_GRPH_MODE(NI_INPUT_CSC_BYPASS)
612 				| NI_INPUT_CSC_OVL_MODE(NI_INPUT_CSC_BYPASS));
613 		Write32(OUT, NI_PRESCALE_GRPH_CONTROL + regs->crtcOffset,
614 			NI_GRPH_PRESCALE_BYPASS);
615 		Write32(OUT, NI_PRESCALE_OVL_CONTROL + regs->crtcOffset,
616 			NI_OVL_PRESCALE_BYPASS);
617 		Write32(OUT, NI_INPUT_GAMMA_CONTROL + regs->crtcOffset,
618 			NI_GRPH_INPUT_GAMMA_MODE(NI_INPUT_GAMMA_USE_LUT) |
619 			NI_OVL_INPUT_GAMMA_MODE(NI_INPUT_GAMMA_USE_LUT));
620 	}
621 
622 	Write32(OUT, EVERGREEN_DC_LUT_CONTROL + regs->crtcOffset, 0);
623 
624 	Write32(OUT, EVERGREEN_DC_LUT_BLACK_OFFSET_BLUE + regs->crtcOffset, 0);
625 	Write32(OUT, EVERGREEN_DC_LUT_BLACK_OFFSET_GREEN + regs->crtcOffset, 0);
626 	Write32(OUT, EVERGREEN_DC_LUT_BLACK_OFFSET_RED + regs->crtcOffset, 0);
627 
628 	Write32(OUT, EVERGREEN_DC_LUT_WHITE_OFFSET_BLUE + regs->crtcOffset, 0xffff);
629 	Write32(OUT, EVERGREEN_DC_LUT_WHITE_OFFSET_GREEN + regs->crtcOffset, 0xffff);
630 	Write32(OUT, EVERGREEN_DC_LUT_WHITE_OFFSET_RED + regs->crtcOffset, 0xffff);
631 
632 	Write32(OUT, EVERGREEN_DC_LUT_RW_MODE, 0);
633 	Write32(OUT, EVERGREEN_DC_LUT_WRITE_EN_MASK, 0x00000007);
634 
635 	Write32(OUT, EVERGREEN_DC_LUT_RW_INDEX, 0);
636 	for (int i = 0; i < 256; i++) {
637 		Write32(OUT, EVERGREEN_DC_LUT_30_COLOR + regs->crtcOffset,
638 			(r[i] << 20) | (g[i] << 10) | (b[i] << 0));
639 	}
640 
641 	if (info.dceMajor >= 5) {
642 		Write32(OUT, NI_DEGAMMA_CONTROL + regs->crtcOffset,
643 			(NI_GRPH_DEGAMMA_MODE(NI_DEGAMMA_BYPASS)
644 				| NI_OVL_DEGAMMA_MODE(NI_DEGAMMA_BYPASS)
645 				| NI_ICON_DEGAMMA_MODE(NI_DEGAMMA_BYPASS)
646 				| NI_CURSOR_DEGAMMA_MODE(NI_DEGAMMA_BYPASS)));
647 		Write32(OUT, NI_GAMUT_REMAP_CONTROL + regs->crtcOffset,
648 			(NI_GRPH_GAMUT_REMAP_MODE(NI_GAMUT_REMAP_BYPASS) |
649 			NI_OVL_GAMUT_REMAP_MODE(NI_GAMUT_REMAP_BYPASS)));
650 		Write32(OUT, NI_REGAMMA_CONTROL + regs->crtcOffset,
651 			(NI_GRPH_REGAMMA_MODE(NI_REGAMMA_BYPASS) |
652 			NI_OVL_REGAMMA_MODE(NI_REGAMMA_BYPASS)));
653 		Write32(OUT, NI_OUTPUT_CSC_CONTROL + regs->crtcOffset,
654 			(NI_OUTPUT_CSC_GRPH_MODE(NI_OUTPUT_CSC_BYPASS) |
655 			NI_OUTPUT_CSC_OVL_MODE(NI_OUTPUT_CSC_BYPASS)));
656 		/* XXX match this to the depth of the crtc fmt block, move to modeset? */
657 		Write32(OUT, 0x6940 + regs->crtcOffset, 0);
658 	}
659 }
660 
661 
662 void
663 display_avivo_crtc_load_lut(uint8 crtcID)
664 {
665 	radeon_shared_info &info = *gInfo->shared_info;
666 	register_info* regs = gDisplay[crtcID]->regs;
667 
668 	TRACE("%s: crtcID %" B_PRIu8 "\n", __func__, crtcID);
669 
670 	uint16* r = info.color_data;
671 	uint16* g = r + 256;
672 	uint16* b = r + 512;
673 
674 	Write32(OUT, AVIVO_DC_LUTA_CONTROL + regs->crtcOffset, 0);
675 
676 	Write32(OUT, AVIVO_DC_LUTA_BLACK_OFFSET_BLUE + regs->crtcOffset, 0);
677 	Write32(OUT, AVIVO_DC_LUTA_BLACK_OFFSET_GREEN + regs->crtcOffset, 0);
678 	Write32(OUT, AVIVO_DC_LUTA_BLACK_OFFSET_RED + regs->crtcOffset, 0);
679 
680 	Write32(OUT, AVIVO_DC_LUTA_WHITE_OFFSET_BLUE + regs->crtcOffset, 0xffff);
681 	Write32(OUT, AVIVO_DC_LUTA_WHITE_OFFSET_GREEN + regs->crtcOffset, 0xffff);
682 	Write32(OUT, AVIVO_DC_LUTA_WHITE_OFFSET_RED + regs->crtcOffset, 0xffff);
683 
684 	Write32(OUT, AVIVO_DC_LUT_RW_SELECT, crtcID);
685 	Write32(OUT, AVIVO_DC_LUT_RW_MODE, 0);
686 	Write32(OUT, AVIVO_DC_LUT_WRITE_EN_MASK, 0x0000003f);
687 
688 	Write32(OUT, AVIVO_DC_LUT_RW_INDEX, 0);
689 	for (int i = 0; i < 256; i++) {
690 		Write32(OUT, AVIVO_DC_LUT_30_COLOR,
691 			(r[i] << 20) | (g[i] << 10) | (b[i] << 0));
692 	}
693 
694 	Write32(OUT, AVIVO_D1GRPH_LUT_SEL + regs->crtcOffset, crtcID);
695 }
696 
697 
698 void
699 display_crtc_fb_set(uint8 crtcID, display_mode* mode)
700 {
701 	radeon_shared_info &info = *gInfo->shared_info;
702 	register_info* regs = gDisplay[crtcID]->regs;
703 
704 	uint16* r = info.color_data;
705 	uint16* g = r + 256;
706 	uint16* b = r + 512;
707 
708 	uint32 fbSwap;
709 	if (info.dceMajor >= 4)
710 		fbSwap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_NONE);
711 	else
712 		fbSwap = R600_D1GRPH_SWAP_ENDIAN_NONE;
713 
714 	uint32 fbFormat;
715 
716 	uint32 bytesPerPixel;
717 	uint32 bitsPerPixel;
718 
719 	switch (mode->space) {
720 		case B_CMAP8:
721 			bytesPerPixel = 1;
722 			bitsPerPixel = 8;
723 			if (info.dceMajor >= 4) {
724 				fbFormat = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP)
725 					| EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED));
726 			} else {
727 				fbFormat = AVIVO_D1GRPH_CONTROL_DEPTH_8BPP
728 					| AVIVO_D1GRPH_CONTROL_8BPP_INDEXED;
729 			}
730 			// TODO: copy system color map into shared info
731 			break;
732 		case B_RGB15_LITTLE:
733 			bytesPerPixel = 2;
734 			bitsPerPixel = 15;
735 			if (info.dceMajor >= 4) {
736 				fbFormat = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP)
737 					| EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB1555));
738 			} else {
739 				fbFormat = AVIVO_D1GRPH_CONTROL_DEPTH_16BPP
740 					| AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555;
741 			}
742 			break;
743 		case B_RGB16_LITTLE:
744 			bytesPerPixel = 2;
745 			bitsPerPixel = 16;
746 
747 			if (info.dceMajor >= 4) {
748 				fbFormat = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP)
749 					| EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB565));
750 				#ifdef __POWERPC__
751 				fbSwap
752 					= EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16);
753 				#endif
754 			} else {
755 				fbFormat = AVIVO_D1GRPH_CONTROL_DEPTH_16BPP
756 					| AVIVO_D1GRPH_CONTROL_16BPP_RGB565;
757 				#ifdef __POWERPC__
758 				fbSwap = R600_D1GRPH_SWAP_ENDIAN_16BIT;
759 				#endif
760 			}
761 
762 			{
763 				// default gamma table
764 				uint16 gamma = 0;
765 				for (int i = 0; i < 256; i++) {
766 					r[i] = gamma;
767 					g[i] = gamma;
768 					b[i] = gamma;
769 					gamma += 4;
770 				}
771 			}
772 			break;
773 		case B_RGB24_LITTLE:
774 		case B_RGB32_LITTLE:
775 		default:
776 			bytesPerPixel = 4;
777 			bitsPerPixel = 32;
778 			if (info.dceMajor >= 4) {
779 				fbFormat = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP)
780 					| EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888));
781 				#ifdef __POWERPC__
782 				fbSwap
783 					= EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32);
784 				#endif
785 			} else {
786 				fbFormat = AVIVO_D1GRPH_CONTROL_DEPTH_32BPP
787 					| AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888;
788 				#ifdef __POWERPC__
789 				fbSwap = R600_D1GRPH_SWAP_ENDIAN_32BIT;
790 				#endif
791 			}
792 
793 			{
794 				// default gamma table
795 				uint16 gamma = 0;
796 				for (int i = 0; i < 256; i++) {
797 					r[i] = gamma;
798 					g[i] = gamma;
799 					b[i] = gamma;
800 					gamma += 4;
801 				}
802 			}
803 			break;
804 	}
805 
806 	Write32(OUT, regs->vgaControl, 0);
807 
808 	uint64 fbAddress = gInfo->fb.vramStart;
809 
810 	TRACE("%s: Framebuffer at: 0x%" B_PRIX64 "\n", __func__, fbAddress);
811 
812 	if (info.chipsetID >= RADEON_RV770) {
813 		TRACE("%s: Set SurfaceAddress High: 0x%" B_PRIX32 "\n",
814 			__func__, (fbAddress >> 32) & 0xf);
815 
816 		Write32(OUT, regs->grphPrimarySurfaceAddrHigh,
817 			(fbAddress >> 32) & 0xf);
818 		Write32(OUT, regs->grphSecondarySurfaceAddrHigh,
819 			(fbAddress >> 32) & 0xf);
820 	}
821 
822 	TRACE("%s: Set SurfaceAddress: 0x%" B_PRIX64 "\n",
823 		__func__, (fbAddress & 0xFFFFFFFF));
824 
825 	Write32(OUT, regs->grphPrimarySurfaceAddr, (fbAddress & 0xFFFFFFFF));
826 	Write32(OUT, regs->grphSecondarySurfaceAddr, (fbAddress & 0xFFFFFFFF));
827 
828 	if (info.chipsetID >= RADEON_R600) {
829 		Write32(CRT, regs->grphControl, fbFormat);
830 		Write32(CRT, regs->grphSwapControl, fbSwap);
831 	}
832 
833 	// TODO: Technically if chip >= RS600
834 	int largeAlign = (info.dceMajor >= 2) ? 1 : 0;
835 
836 	// Align our framebuffer width
837 	uint32 widthAligned = mode->virtual_width;
838 	uint32 pitchMask = 0;
839 
840 	switch (bytesPerPixel) {
841 		case 1:
842 			pitchMask = largeAlign ? 255 : 127;
843 			break;
844 		case 2:
845 			pitchMask = largeAlign ? 127 : 31;
846 			break;
847 		case 3:
848 		case 4:
849 			pitchMask = largeAlign ? 63 : 15;
850 			break;
851 	}
852 	widthAligned += pitchMask;
853 	widthAligned &= ~pitchMask;
854 
855 	TRACE("%s: fb: %" B_PRIu32 "x%" B_PRIu32 " (%" B_PRIu32 " bpp)\n", __func__,
856 		mode->timing.h_display, mode->timing.v_display, bitsPerPixel);
857 	TRACE("%s: fb pitch: %" B_PRIu32 " \n", __func__, widthAligned);
858 
859 	Write32(CRT, regs->grphSurfaceOffsetX, 0);
860 	Write32(CRT, regs->grphSurfaceOffsetY, 0);
861 	Write32(CRT, regs->grphXStart, 0);
862 	Write32(CRT, regs->grphYStart, 0);
863 	Write32(CRT, regs->grphXEnd, mode->virtual_width);
864 	Write32(CRT, regs->grphYEnd, mode->virtual_height);
865 	Write32(CRT, regs->grphPitch, widthAligned);
866 
867 	Write32(CRT, regs->grphEnable, 1);
868 		// Enable Frame buffer
869 
870 	Write32(CRT, regs->modeDesktopHeight, mode->virtual_height);
871 
872 	uint32 viewportWidth = mode->timing.h_display;
873 	uint32 viewportHeight = (mode->timing.v_display + 1) & ~1;
874 
875 	Write32(CRT, regs->viewportStart, 0);
876 	Write32(CRT, regs->viewportSize,
877 		(viewportWidth << 16) | viewportHeight);
878 
879 	// Pageflip setup
880 	if (info.dceMajor >= 4) {
881 		uint32 tmp
882 			= Read32(OUT, EVERGREEN_GRPH_FLIP_CONTROL + regs->crtcOffset);
883 		tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN;
884 		Write32(OUT, EVERGREEN_GRPH_FLIP_CONTROL + regs->crtcOffset, tmp);
885 
886 		Write32(OUT, EVERGREEN_MASTER_UPDATE_MODE + regs->crtcOffset, 0);
887 			// Pageflip to happen anywhere in vblank
888 		display_dce45_crtc_load_lut(crtcID);
889 	} else {
890 		uint32 tmp = Read32(OUT, AVIVO_D1GRPH_FLIP_CONTROL + regs->crtcOffset);
891 		tmp &= ~AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN;
892 		Write32(OUT, AVIVO_D1GRPH_FLIP_CONTROL + regs->crtcOffset, tmp);
893 
894 		Write32(OUT, AVIVO_D1MODE_MASTER_UPDATE_MODE + regs->crtcOffset, 0);
895 			// Pageflip to happen anywhere in vblank
896 		display_avivo_crtc_load_lut(crtcID);
897 	}
898 
899 	// update shared info
900 	gInfo->shared_info->bytes_per_row = widthAligned * bytesPerPixel;
901 	gInfo->shared_info->current_mode = *mode;
902 	gInfo->shared_info->bits_per_pixel = bitsPerPixel;
903 }
904 
905 
906 void
907 display_crtc_set(uint8 crtcID, display_mode* mode)
908 {
909 	display_timing& displayTiming = mode->timing;
910 
911 	TRACE("%s called to do %dx%d\n",
912 		__func__, displayTiming.h_display, displayTiming.v_display);
913 
914 	SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION args;
915 	int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing);
916 	uint16 misc = 0;
917 
918 	memset(&args, 0, sizeof(args));
919 
920 	args.usH_Total = B_HOST_TO_LENDIAN_INT16(displayTiming.h_total);
921 	args.usH_Disp = B_HOST_TO_LENDIAN_INT16(displayTiming.h_display);
922 	args.usH_SyncStart = B_HOST_TO_LENDIAN_INT16(displayTiming.h_sync_start);
923 	args.usH_SyncWidth = B_HOST_TO_LENDIAN_INT16(displayTiming.h_sync_end
924 		- displayTiming.h_sync_start);
925 
926 	args.usV_Total = B_HOST_TO_LENDIAN_INT16(displayTiming.v_total);
927 	args.usV_Disp = B_HOST_TO_LENDIAN_INT16(displayTiming.v_display);
928 	args.usV_SyncStart = B_HOST_TO_LENDIAN_INT16(displayTiming.v_sync_start);
929 	args.usV_SyncWidth = B_HOST_TO_LENDIAN_INT16(displayTiming.v_sync_end
930 		- displayTiming.v_sync_start);
931 
932 	args.ucOverscanRight = 0;
933 	args.ucOverscanLeft = 0;
934 	args.ucOverscanBottom = 0;
935 	args.ucOverscanTop = 0;
936 
937 	if ((displayTiming.flags & B_POSITIVE_HSYNC) == 0)
938 		misc |= ATOM_HSYNC_POLARITY;
939 	if ((displayTiming.flags & B_POSITIVE_VSYNC) == 0)
940 		misc |= ATOM_VSYNC_POLARITY;
941 
942 	args.susModeMiscInfo.usAccess = B_HOST_TO_LENDIAN_INT16(misc);
943 	args.ucCRTC = crtcID;
944 
945 	atom_execute_table(gAtomContext, index, (uint32*)&args);
946 }
947 
948 
949 void
950 display_crtc_set_dtd(uint8 crtcID, display_mode* mode)
951 {
952 	display_timing& displayTiming = mode->timing;
953 
954 	TRACE("%s called to do %dx%d\n", __func__,
955 		displayTiming.h_display, displayTiming.v_display);
956 
957 	SET_CRTC_USING_DTD_TIMING_PARAMETERS args;
958 	int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming);
959 	uint16 misc = 0;
960 
961 	memset(&args, 0, sizeof(args));
962 
963 	// Note: the code below assumes H & V borders are both zero
964 	uint16 blankStart
965 		= MIN(displayTiming.h_sync_start, displayTiming.h_display);
966 	uint16 blankEnd
967 		= MAX(displayTiming.h_sync_end, displayTiming.h_total);
968 	args.usH_Size = B_HOST_TO_LENDIAN_INT16(displayTiming.h_display);
969 	args.usH_Blanking_Time = B_HOST_TO_LENDIAN_INT16(blankEnd - blankStart);
970 
971 	blankStart = MIN(displayTiming.v_sync_start, displayTiming.v_display);
972 	blankEnd = MAX(displayTiming.v_sync_end, displayTiming.v_total);
973 	args.usV_Size = B_HOST_TO_LENDIAN_INT16(displayTiming.v_display);
974 	args.usV_Blanking_Time = B_HOST_TO_LENDIAN_INT16(blankEnd - blankStart);
975 
976 	args.usH_SyncOffset = B_HOST_TO_LENDIAN_INT16(displayTiming.h_sync_start
977 		- displayTiming.h_display);
978 	args.usH_SyncWidth = B_HOST_TO_LENDIAN_INT16(displayTiming.h_sync_end
979 		- displayTiming.h_sync_start);
980 
981 	args.usV_SyncOffset = B_HOST_TO_LENDIAN_INT16(displayTiming.v_sync_start
982 		- displayTiming.v_display);
983 	args.usV_SyncWidth = B_HOST_TO_LENDIAN_INT16(displayTiming.v_sync_end
984 		- displayTiming.v_sync_start);
985 
986 	args.ucH_Border = 0;
987 	args.ucV_Border = 0;
988 
989 	if ((displayTiming.flags & B_POSITIVE_HSYNC) == 0)
990 		misc |= ATOM_HSYNC_POLARITY;
991 	if ((displayTiming.flags & B_POSITIVE_VSYNC) == 0)
992 		misc |= ATOM_VSYNC_POLARITY;
993 
994 	args.susModeMiscInfo.usAccess = B_HOST_TO_LENDIAN_INT16(misc);
995 	args.ucCRTC = crtcID;
996 
997 	atom_execute_table(gAtomContext, index, (uint32*)&args);
998 }
999 
1000 
1001 void
1002 display_crtc_ss(pll_info* pll, int command)
1003 {
1004 	TRACE("%s\n", __func__);
1005 	radeon_shared_info &info = *gInfo->shared_info;
1006 
1007 	if (command == ATOM_ENABLE) {
1008 		if (pll->ssPercentage == 0) {
1009 			TRACE("%s: ssPercentage 0, ignoring SS request\n", __func__);
1010 			return;
1011 		}
1012 		if ((pll->ssType & ATOM_EXTERNAL_SS_MASK) != 0) {
1013 			TRACE("%s: external SS, ignoring SS request\n", __func__);
1014 			return;
1015 		}
1016 	} else {
1017 		if (pll_usage_count(pll->id) > 1) {
1018 			// TODO: Check if PLL has SS enabled on any other displays, if so
1019 			// we need to also skip this function.
1020 			TRACE("%s: TODO: shared PLL detected!\n", __func__);
1021 		}
1022 	}
1023 
1024 	int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL);
1025 
1026 	union enableSS {
1027 		ENABLE_LVDS_SS_PARAMETERS lvds_ss;
1028 		ENABLE_LVDS_SS_PARAMETERS_V2 lvds_ss_2;
1029 		ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION v1;
1030 		ENABLE_SPREAD_SPECTRUM_ON_PPLL_V2 v2;
1031 		ENABLE_SPREAD_SPECTRUM_ON_PPLL_V3 v3;
1032 	};
1033 
1034 	union enableSS args;
1035 	memset(&args, 0, sizeof(args));
1036 
1037 	if (info.dceMajor >= 5) {
1038 		args.v3.usSpreadSpectrumAmountFrac = B_HOST_TO_LENDIAN_INT16(0);
1039 		args.v3.ucSpreadSpectrumType
1040 			= pll->ssType & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
1041 		switch (pll->id) {
1042 			case ATOM_PPLL1:
1043 				args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P1PLL;
1044 				break;
1045 			case ATOM_PPLL2:
1046 				args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL;
1047 				break;
1048 			case ATOM_DCPLL:
1049 				args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL;
1050 				break;
1051 			case ATOM_PPLL_INVALID:
1052 				return;
1053 			default:
1054 				ERROR("%s: BUG: Invalid PLL ID!\n", __func__);
1055 				return;
1056 		}
1057 		args.v3.usSpreadSpectrumAmount = B_HOST_TO_LENDIAN_INT16(pll->ssAmount);
1058 		args.v3.usSpreadSpectrumStep = B_HOST_TO_LENDIAN_INT16(pll->ssStep);
1059 		args.v3.ucEnable = command;
1060 	} else if (info.dceMajor >= 4) {
1061 		args.v2.usSpreadSpectrumPercentage
1062 			= B_HOST_TO_LENDIAN_INT16(pll->ssPercentage);
1063 		args.v2.ucSpreadSpectrumType
1064 			= pll->ssType & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
1065 		switch (pll->id) {
1066 			case ATOM_PPLL1:
1067 				args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P1PLL;
1068 				break;
1069 			case ATOM_PPLL2:
1070 				args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL;
1071 				break;
1072 			case ATOM_DCPLL:
1073 				args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL;
1074 				break;
1075 			case ATOM_PPLL_INVALID:
1076 				return;
1077 			default:
1078 				ERROR("%s: BUG: Invalid PLL ID!\n", __func__);
1079 				return;
1080 		}
1081 		args.v2.usSpreadSpectrumAmount = B_HOST_TO_LENDIAN_INT16(pll->ssAmount);
1082 		args.v2.usSpreadSpectrumStep = B_HOST_TO_LENDIAN_INT16(pll->ssStep);
1083 		args.v2.ucEnable = command;
1084 	} else if (info.dceMajor >= 3) {
1085 		args.v1.usSpreadSpectrumPercentage
1086 			= B_HOST_TO_LENDIAN_INT16(pll->ssPercentage);
1087 		args.v1.ucSpreadSpectrumType
1088 			= pll->ssType & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
1089 		args.v1.ucSpreadSpectrumStep = pll->ssStep;
1090 		args.v1.ucSpreadSpectrumDelay = pll->ssDelay;
1091 		args.v1.ucSpreadSpectrumRange = pll->ssRange;
1092 		args.v1.ucPpll = pll->id;
1093 		args.v1.ucEnable = command;
1094 	} else if (info.dceMajor >= 2) {
1095 		if (command == ATOM_DISABLE) {
1096 			radeon_gpu_ss_control(pll, false);
1097 			return;
1098 		}
1099 		args.lvds_ss_2.usSpreadSpectrumPercentage
1100 			= B_HOST_TO_LENDIAN_INT16(pll->ssPercentage);
1101 		args.lvds_ss_2.ucSpreadSpectrumType
1102 			= pll->ssType & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
1103 		args.lvds_ss_2.ucSpreadSpectrumStep = pll->ssStep;
1104 		args.lvds_ss_2.ucSpreadSpectrumDelay = pll->ssDelay;
1105 		args.lvds_ss_2.ucSpreadSpectrumRange = pll->ssRange;
1106 		args.lvds_ss_2.ucEnable = command;
1107 	} else {
1108 		ERROR("%s: TODO: Old card SS control\n", __func__);
1109 		return;
1110 	}
1111 
1112 	atom_execute_table(gAtomContext, index, (uint32*)&args);
1113 }
1114 
1115 
1116 void
1117 display_crtc_power(uint8 crtcID, int command)
1118 {
1119 	TRACE("%s\n", __func__);
1120 	int index = GetIndexIntoMasterTable(COMMAND, EnableCRTC);
1121 	ENABLE_CRTC_PS_ALLOCATION args;
1122 
1123 	memset(&args, 0, sizeof(args));
1124 
1125 	args.ucCRTC = crtcID;
1126 	args.ucEnable = command;
1127 
1128 	atom_execute_table(gAtomContext, index, (uint32*)&args);
1129 }
1130 
1131 
1132 void
1133 display_crtc_memreq(uint8 crtcID, int command)
1134 {
1135 	TRACE("%s\n", __func__);
1136 	int index = GetIndexIntoMasterTable(COMMAND, EnableCRTCMemReq);
1137 	ENABLE_CRTC_PS_ALLOCATION args;
1138 
1139 	memset(&args, 0, sizeof(args));
1140 
1141 	args.ucCRTC = crtcID;
1142 	args.ucEnable = command;
1143 
1144 	atom_execute_table(gAtomContext, index, (uint32*)&args);
1145 }
1146