xref: /haiku/src/add-ons/accelerants/radeon_hd/display.cpp (revision 1deede7388b04dbeec5af85cae7164735ea9e70d)
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 display for connector so we can identify source of edid data
453 	int32 crtcID = -1;
454 	for (int32 id = 0; id < MAX_DISPLAY; id++) {
455 		if (gDisplay[id]->connectorIndex == connectorIndex) {
456 			crtcID = id;
457 			break;
458 		}
459 	}
460 	bool edidDigital = false;
461 	if (crtcID == -1) {
462 		ERROR("%s: BUG: executed on connector without assigned display!\n",
463 			__func__);
464 	} else {
465 		edid1_info* edid = &gDisplay[crtcID]->edidData;
466 		edidDigital = edid->display.input_type ? true : false;
467 	}
468 
469 	// Normal encoder situations
470 	switch (gConnector[connectorIndex]->type) {
471 		case VIDEO_CONNECTOR_DVII:
472 		case VIDEO_CONNECTOR_HDMIB: /* HDMI-B is DL-DVI; analog works fine */
473 			// TODO: if audio detected on edid and DCE4, ATOM_ENCODER_MODE_DVI
474 			//        if audio detected on edid not DCE4, ATOM_ENCODER_MODE_HDMI
475 			if (edidDigital)
476 				return ATOM_ENCODER_MODE_DVI;
477 			else
478 				return ATOM_ENCODER_MODE_CRT;
479 			break;
480 		case VIDEO_CONNECTOR_DVID:
481 		case VIDEO_CONNECTOR_HDMIA:
482 		default:
483 			// TODO: if audio detected on edid and DCE4, ATOM_ENCODER_MODE_DVI
484 			//        if audio detected on edid not DCE4, ATOM_ENCODER_MODE_HDMI
485 			return ATOM_ENCODER_MODE_DVI;
486 		case VIDEO_CONNECTOR_LVDS:
487 			return ATOM_ENCODER_MODE_LVDS;
488 		case VIDEO_CONNECTOR_DP:
489 			// dig_connector = radeon_connector->con_priv;
490 			// if ((dig_connector->dp_sink_type
491 			//	== CONNECTOR_OBJECT_ID_DISPLAYPORT)
492 			// 	|| (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
493 			// 	return ATOM_ENCODER_MODE_DP;
494 			// }
495 			// TODO: if audio detected on edid and DCE4, ATOM_ENCODER_MODE_DVI
496 			//        if audio detected on edid not DCE4, ATOM_ENCODER_MODE_HDMI
497 			return ATOM_ENCODER_MODE_DP;
498 		case VIDEO_CONNECTOR_EDP:
499 			return ATOM_ENCODER_MODE_DP;
500 		case VIDEO_CONNECTOR_DVIA:
501 		case VIDEO_CONNECTOR_VGA:
502 			return ATOM_ENCODER_MODE_CRT;
503 		case VIDEO_CONNECTOR_COMPOSITE:
504 		case VIDEO_CONNECTOR_SVIDEO:
505 		case VIDEO_CONNECTOR_9DIN:
506 			return ATOM_ENCODER_MODE_TV;
507 	}
508 }
509 
510 
511 void
512 display_crtc_lock(uint8 crtcID, int command)
513 {
514 	TRACE("%s\n", __func__);
515 
516 	ENABLE_CRTC_PS_ALLOCATION args;
517 	int index
518 		= GetIndexIntoMasterTable(COMMAND, UpdateCRTC_DoubleBufferRegisters);
519 
520 	memset(&args, 0, sizeof(args));
521 
522 	args.ucCRTC = crtcID;
523 	args.ucEnable = command;
524 
525 	atom_execute_table(gAtomContext, index, (uint32*)&args);
526 }
527 
528 
529 void
530 display_crtc_blank(uint8 crtcID, int command)
531 {
532 	TRACE("%s\n", __func__);
533 
534 	BLANK_CRTC_PS_ALLOCATION args;
535 	int index = GetIndexIntoMasterTable(COMMAND, BlankCRTC);
536 
537 	memset(&args, 0, sizeof(args));
538 
539 	args.ucCRTC = crtcID;
540 	args.ucBlanking = command;
541 
542 	args.usBlackColorRCr = 0;
543 	args.usBlackColorGY = 0;
544 	args.usBlackColorBCb = 0;
545 
546 	atom_execute_table(gAtomContext, index, (uint32*)&args);
547 }
548 
549 
550 void
551 display_crtc_scale(uint8 crtcID, display_mode* mode)
552 {
553 	TRACE("%s\n", __func__);
554 	ENABLE_SCALER_PS_ALLOCATION args;
555 	int index = GetIndexIntoMasterTable(COMMAND, EnableScaler);
556 
557 	memset(&args, 0, sizeof(args));
558 
559 	args.ucScaler = crtcID;
560 	args.ucEnable = ATOM_SCALER_DISABLE;
561 
562 	atom_execute_table(gAtomContext, index, (uint32*)&args);
563 }
564 
565 
566 void
567 display_crtc_dpms(uint8 crtcID, int mode)
568 {
569 	radeon_shared_info &info = *gInfo->shared_info;
570 
571 	switch (mode) {
572 		case B_DPMS_ON:
573 			TRACE("%s: crtc %" B_PRIu8 " dpms powerup\n", __func__, crtcID);
574 			if (gDisplay[crtcID]->attached == false)
575 				return;
576 			display_crtc_power(crtcID, ATOM_ENABLE);
577 			gDisplay[crtcID]->powered = true;
578 			if (info.dceMajor >= 3 && info.dceMajor < 6)
579 				display_crtc_memreq(crtcID, ATOM_ENABLE);
580 			display_crtc_blank(crtcID, ATOM_BLANKING_OFF);
581 			break;
582 		case B_DPMS_STAND_BY:
583 		case B_DPMS_SUSPEND:
584 		case B_DPMS_OFF:
585 			TRACE("%s: crtc %" B_PRIu8 " dpms powerdown\n", __func__, crtcID);
586 			if (gDisplay[crtcID]->attached == false)
587 				return;
588 			if (gDisplay[crtcID]->powered == true)
589 				display_crtc_blank(crtcID, ATOM_BLANKING);
590 			if (info.dceMajor >= 3 && info.dceMajor < 6)
591 				display_crtc_memreq(crtcID, ATOM_DISABLE);
592 			display_crtc_power(crtcID, ATOM_DISABLE);
593 			gDisplay[crtcID]->powered = false;
594 	}
595 }
596 
597 
598 void
599 display_dce45_crtc_load_lut(uint8 crtcID)
600 {
601 	radeon_shared_info &info = *gInfo->shared_info;
602 	register_info* regs = gDisplay[crtcID]->regs;
603 
604 	TRACE("%s: crtcID %" B_PRIu8 "\n", __func__, crtcID);
605 
606 	uint16* r = info.color_data;
607 	uint16* g = r + 256;
608 	uint16* b = r + 512;
609 
610 	if (info.dceMajor >= 5) {
611 		Write32(OUT, NI_INPUT_CSC_CONTROL + regs->crtcOffset,
612 			NI_INPUT_CSC_GRPH_MODE(NI_INPUT_CSC_BYPASS)
613 				| NI_INPUT_CSC_OVL_MODE(NI_INPUT_CSC_BYPASS));
614 		Write32(OUT, NI_PRESCALE_GRPH_CONTROL + regs->crtcOffset,
615 			NI_GRPH_PRESCALE_BYPASS);
616 		Write32(OUT, NI_PRESCALE_OVL_CONTROL + regs->crtcOffset,
617 			NI_OVL_PRESCALE_BYPASS);
618 		Write32(OUT, NI_INPUT_GAMMA_CONTROL + regs->crtcOffset,
619 			NI_GRPH_INPUT_GAMMA_MODE(NI_INPUT_GAMMA_USE_LUT) |
620 			NI_OVL_INPUT_GAMMA_MODE(NI_INPUT_GAMMA_USE_LUT));
621 	}
622 
623 	Write32(OUT, EVERGREEN_DC_LUT_CONTROL + regs->crtcOffset, 0);
624 
625 	Write32(OUT, EVERGREEN_DC_LUT_BLACK_OFFSET_BLUE + regs->crtcOffset, 0);
626 	Write32(OUT, EVERGREEN_DC_LUT_BLACK_OFFSET_GREEN + regs->crtcOffset, 0);
627 	Write32(OUT, EVERGREEN_DC_LUT_BLACK_OFFSET_RED + regs->crtcOffset, 0);
628 
629 	Write32(OUT, EVERGREEN_DC_LUT_WHITE_OFFSET_BLUE + regs->crtcOffset, 0xffff);
630 	Write32(OUT, EVERGREEN_DC_LUT_WHITE_OFFSET_GREEN + regs->crtcOffset, 0xffff);
631 	Write32(OUT, EVERGREEN_DC_LUT_WHITE_OFFSET_RED + regs->crtcOffset, 0xffff);
632 
633 	Write32(OUT, EVERGREEN_DC_LUT_RW_MODE, 0);
634 	Write32(OUT, EVERGREEN_DC_LUT_WRITE_EN_MASK, 0x00000007);
635 
636 	Write32(OUT, EVERGREEN_DC_LUT_RW_INDEX, 0);
637 	for (int i = 0; i < 256; i++) {
638 		Write32(OUT, EVERGREEN_DC_LUT_30_COLOR + regs->crtcOffset,
639 			(r[i] << 20) | (g[i] << 10) | (b[i] << 0));
640 	}
641 
642 	if (info.dceMajor >= 5) {
643 		Write32(OUT, NI_DEGAMMA_CONTROL + regs->crtcOffset,
644 			(NI_GRPH_DEGAMMA_MODE(NI_DEGAMMA_BYPASS)
645 				| NI_OVL_DEGAMMA_MODE(NI_DEGAMMA_BYPASS)
646 				| NI_ICON_DEGAMMA_MODE(NI_DEGAMMA_BYPASS)
647 				| NI_CURSOR_DEGAMMA_MODE(NI_DEGAMMA_BYPASS)));
648 		Write32(OUT, NI_GAMUT_REMAP_CONTROL + regs->crtcOffset,
649 			(NI_GRPH_GAMUT_REMAP_MODE(NI_GAMUT_REMAP_BYPASS) |
650 			NI_OVL_GAMUT_REMAP_MODE(NI_GAMUT_REMAP_BYPASS)));
651 		Write32(OUT, NI_REGAMMA_CONTROL + regs->crtcOffset,
652 			(NI_GRPH_REGAMMA_MODE(NI_REGAMMA_BYPASS) |
653 			NI_OVL_REGAMMA_MODE(NI_REGAMMA_BYPASS)));
654 		Write32(OUT, NI_OUTPUT_CSC_CONTROL + regs->crtcOffset,
655 			(NI_OUTPUT_CSC_GRPH_MODE(NI_OUTPUT_CSC_BYPASS) |
656 			NI_OUTPUT_CSC_OVL_MODE(NI_OUTPUT_CSC_BYPASS)));
657 		/* XXX match this to the depth of the crtc fmt block, move to modeset? */
658 		Write32(OUT, 0x6940 + regs->crtcOffset, 0);
659 	}
660 }
661 
662 
663 void
664 display_avivo_crtc_load_lut(uint8 crtcID)
665 {
666 	radeon_shared_info &info = *gInfo->shared_info;
667 	register_info* regs = gDisplay[crtcID]->regs;
668 
669 	TRACE("%s: crtcID %" B_PRIu8 "\n", __func__, crtcID);
670 
671 	uint16* r = info.color_data;
672 	uint16* g = r + 256;
673 	uint16* b = r + 512;
674 
675 	Write32(OUT, AVIVO_DC_LUTA_CONTROL + regs->crtcOffset, 0);
676 
677 	Write32(OUT, AVIVO_DC_LUTA_BLACK_OFFSET_BLUE + regs->crtcOffset, 0);
678 	Write32(OUT, AVIVO_DC_LUTA_BLACK_OFFSET_GREEN + regs->crtcOffset, 0);
679 	Write32(OUT, AVIVO_DC_LUTA_BLACK_OFFSET_RED + regs->crtcOffset, 0);
680 
681 	Write32(OUT, AVIVO_DC_LUTA_WHITE_OFFSET_BLUE + regs->crtcOffset, 0xffff);
682 	Write32(OUT, AVIVO_DC_LUTA_WHITE_OFFSET_GREEN + regs->crtcOffset, 0xffff);
683 	Write32(OUT, AVIVO_DC_LUTA_WHITE_OFFSET_RED + regs->crtcOffset, 0xffff);
684 
685 	Write32(OUT, AVIVO_DC_LUT_RW_SELECT, crtcID);
686 	Write32(OUT, AVIVO_DC_LUT_RW_MODE, 0);
687 	Write32(OUT, AVIVO_DC_LUT_WRITE_EN_MASK, 0x0000003f);
688 
689 	Write32(OUT, AVIVO_DC_LUT_RW_INDEX, 0);
690 	for (int i = 0; i < 256; i++) {
691 		Write32(OUT, AVIVO_DC_LUT_30_COLOR,
692 			(r[i] << 20) | (g[i] << 10) | (b[i] << 0));
693 	}
694 
695 	Write32(OUT, AVIVO_D1GRPH_LUT_SEL + regs->crtcOffset, crtcID);
696 }
697 
698 
699 void
700 display_crtc_fb_set(uint8 crtcID, display_mode* mode)
701 {
702 	radeon_shared_info &info = *gInfo->shared_info;
703 	register_info* regs = gDisplay[crtcID]->regs;
704 
705 	uint16* r = info.color_data;
706 	uint16* g = r + 256;
707 	uint16* b = r + 512;
708 
709 	uint32 fbSwap;
710 	if (info.dceMajor >= 4)
711 		fbSwap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_NONE);
712 	else
713 		fbSwap = R600_D1GRPH_SWAP_ENDIAN_NONE;
714 
715 	uint32 fbFormat;
716 
717 	uint32 bytesPerPixel;
718 	uint32 bitsPerPixel;
719 
720 	switch (mode->space) {
721 		case B_CMAP8:
722 			bytesPerPixel = 1;
723 			bitsPerPixel = 8;
724 			if (info.dceMajor >= 4) {
725 				fbFormat = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP)
726 					| EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED));
727 			} else {
728 				fbFormat = AVIVO_D1GRPH_CONTROL_DEPTH_8BPP
729 					| AVIVO_D1GRPH_CONTROL_8BPP_INDEXED;
730 			}
731 			// TODO: copy system color map into shared info
732 			break;
733 		case B_RGB15_LITTLE:
734 			bytesPerPixel = 2;
735 			bitsPerPixel = 15;
736 			if (info.dceMajor >= 4) {
737 				fbFormat = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP)
738 					| EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB1555));
739 			} else {
740 				fbFormat = AVIVO_D1GRPH_CONTROL_DEPTH_16BPP
741 					| AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555;
742 			}
743 			break;
744 		case B_RGB16_LITTLE:
745 			bytesPerPixel = 2;
746 			bitsPerPixel = 16;
747 
748 			if (info.dceMajor >= 4) {
749 				fbFormat = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP)
750 					| EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB565));
751 				#ifdef __POWERPC__
752 				fbSwap
753 					= EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16);
754 				#endif
755 			} else {
756 				fbFormat = AVIVO_D1GRPH_CONTROL_DEPTH_16BPP
757 					| AVIVO_D1GRPH_CONTROL_16BPP_RGB565;
758 				#ifdef __POWERPC__
759 				fbSwap = R600_D1GRPH_SWAP_ENDIAN_16BIT;
760 				#endif
761 			}
762 
763 			{
764 				// default gamma table
765 				uint16 gamma = 0;
766 				for (int i = 0; i < 256; i++) {
767 					r[i] = gamma;
768 					g[i] = gamma;
769 					b[i] = gamma;
770 					gamma += 4;
771 				}
772 			}
773 			break;
774 		case B_RGB24_LITTLE:
775 		case B_RGB32_LITTLE:
776 		default:
777 			bytesPerPixel = 4;
778 			bitsPerPixel = 32;
779 			if (info.dceMajor >= 4) {
780 				fbFormat = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP)
781 					| EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888));
782 				#ifdef __POWERPC__
783 				fbSwap
784 					= EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32);
785 				#endif
786 			} else {
787 				fbFormat = AVIVO_D1GRPH_CONTROL_DEPTH_32BPP
788 					| AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888;
789 				#ifdef __POWERPC__
790 				fbSwap = R600_D1GRPH_SWAP_ENDIAN_32BIT;
791 				#endif
792 			}
793 
794 			{
795 				// default gamma table
796 				uint16 gamma = 0;
797 				for (int i = 0; i < 256; i++) {
798 					r[i] = gamma;
799 					g[i] = gamma;
800 					b[i] = gamma;
801 					gamma += 4;
802 				}
803 			}
804 			break;
805 	}
806 
807 	Write32(OUT, regs->vgaControl, 0);
808 
809 	uint64 fbAddress = gInfo->fb.vramStart;
810 
811 	TRACE("%s: Framebuffer at: 0x%" B_PRIX64 "\n", __func__, fbAddress);
812 
813 	if (info.chipsetID >= RADEON_RV770) {
814 		TRACE("%s: Set SurfaceAddress High: 0x%" B_PRIX32 "\n",
815 			__func__, (fbAddress >> 32) & 0xf);
816 
817 		Write32(OUT, regs->grphPrimarySurfaceAddrHigh,
818 			(fbAddress >> 32) & 0xf);
819 		Write32(OUT, regs->grphSecondarySurfaceAddrHigh,
820 			(fbAddress >> 32) & 0xf);
821 	}
822 
823 	TRACE("%s: Set SurfaceAddress: 0x%" B_PRIX64 "\n",
824 		__func__, (fbAddress & 0xFFFFFFFF));
825 
826 	Write32(OUT, regs->grphPrimarySurfaceAddr, (fbAddress & 0xFFFFFFFF));
827 	Write32(OUT, regs->grphSecondarySurfaceAddr, (fbAddress & 0xFFFFFFFF));
828 
829 	if (info.chipsetID >= RADEON_R600) {
830 		Write32(CRT, regs->grphControl, fbFormat);
831 		Write32(CRT, regs->grphSwapControl, fbSwap);
832 	}
833 
834 	// TODO: Technically if chip >= RS600
835 	int largeAlign = (info.dceMajor >= 2) ? 1 : 0;
836 
837 	// Align our framebuffer width
838 	uint32 widthAligned = mode->virtual_width;
839 	uint32 pitchMask = 0;
840 
841 	switch (bytesPerPixel) {
842 		case 1:
843 			pitchMask = largeAlign ? 255 : 127;
844 			break;
845 		case 2:
846 			pitchMask = largeAlign ? 127 : 31;
847 			break;
848 		case 3:
849 		case 4:
850 			pitchMask = largeAlign ? 63 : 15;
851 			break;
852 	}
853 	widthAligned += pitchMask;
854 	widthAligned &= ~pitchMask;
855 
856 	TRACE("%s: fb: %" B_PRIu32 "x%" B_PRIu32 " (%" B_PRIu32 " bpp)\n", __func__,
857 		mode->timing.h_display, mode->timing.v_display, bitsPerPixel);
858 	TRACE("%s: fb pitch: %" B_PRIu32 " \n", __func__, widthAligned);
859 
860 	Write32(CRT, regs->grphSurfaceOffsetX, 0);
861 	Write32(CRT, regs->grphSurfaceOffsetY, 0);
862 	Write32(CRT, regs->grphXStart, 0);
863 	Write32(CRT, regs->grphYStart, 0);
864 	Write32(CRT, regs->grphXEnd, mode->virtual_width);
865 	Write32(CRT, regs->grphYEnd, mode->virtual_height);
866 	Write32(CRT, regs->grphPitch, widthAligned);
867 
868 	Write32(CRT, regs->grphEnable, 1);
869 		// Enable Frame buffer
870 
871 	Write32(CRT, regs->modeDesktopHeight, mode->virtual_height);
872 
873 	uint32 viewportWidth = mode->timing.h_display;
874 	uint32 viewportHeight = (mode->timing.v_display + 1) & ~1;
875 
876 	Write32(CRT, regs->viewportStart, 0);
877 	Write32(CRT, regs->viewportSize,
878 		(viewportWidth << 16) | viewportHeight);
879 
880 	// Pageflip setup
881 	if (info.dceMajor >= 4) {
882 		uint32 tmp
883 			= Read32(OUT, EVERGREEN_GRPH_FLIP_CONTROL + regs->crtcOffset);
884 		tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN;
885 		Write32(OUT, EVERGREEN_GRPH_FLIP_CONTROL + regs->crtcOffset, tmp);
886 
887 		Write32(OUT, EVERGREEN_MASTER_UPDATE_MODE + regs->crtcOffset, 0);
888 			// Pageflip to happen anywhere in vblank
889 		display_dce45_crtc_load_lut(crtcID);
890 	} else {
891 		uint32 tmp = Read32(OUT, AVIVO_D1GRPH_FLIP_CONTROL + regs->crtcOffset);
892 		tmp &= ~AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN;
893 		Write32(OUT, AVIVO_D1GRPH_FLIP_CONTROL + regs->crtcOffset, tmp);
894 
895 		Write32(OUT, AVIVO_D1MODE_MASTER_UPDATE_MODE + regs->crtcOffset, 0);
896 			// Pageflip to happen anywhere in vblank
897 		display_avivo_crtc_load_lut(crtcID);
898 	}
899 
900 	// update shared info
901 	gInfo->shared_info->bytes_per_row = widthAligned * bytesPerPixel;
902 	gInfo->shared_info->current_mode = *mode;
903 	gInfo->shared_info->bits_per_pixel = bitsPerPixel;
904 }
905 
906 
907 void
908 display_crtc_set(uint8 crtcID, display_mode* mode)
909 {
910 	display_timing& displayTiming = mode->timing;
911 
912 	TRACE("%s called to do %dx%d\n",
913 		__func__, displayTiming.h_display, displayTiming.v_display);
914 
915 	SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION args;
916 	int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing);
917 	uint16 misc = 0;
918 
919 	memset(&args, 0, sizeof(args));
920 
921 	args.usH_Total = B_HOST_TO_LENDIAN_INT16(displayTiming.h_total);
922 	args.usH_Disp = B_HOST_TO_LENDIAN_INT16(displayTiming.h_display);
923 	args.usH_SyncStart = B_HOST_TO_LENDIAN_INT16(displayTiming.h_sync_start);
924 	args.usH_SyncWidth = B_HOST_TO_LENDIAN_INT16(displayTiming.h_sync_end
925 		- displayTiming.h_sync_start);
926 
927 	args.usV_Total = B_HOST_TO_LENDIAN_INT16(displayTiming.v_total);
928 	args.usV_Disp = B_HOST_TO_LENDIAN_INT16(displayTiming.v_display);
929 	args.usV_SyncStart = B_HOST_TO_LENDIAN_INT16(displayTiming.v_sync_start);
930 	args.usV_SyncWidth = B_HOST_TO_LENDIAN_INT16(displayTiming.v_sync_end
931 		- displayTiming.v_sync_start);
932 
933 	args.ucOverscanRight = 0;
934 	args.ucOverscanLeft = 0;
935 	args.ucOverscanBottom = 0;
936 	args.ucOverscanTop = 0;
937 
938 	if ((displayTiming.flags & B_POSITIVE_HSYNC) == 0)
939 		misc |= ATOM_HSYNC_POLARITY;
940 	if ((displayTiming.flags & B_POSITIVE_VSYNC) == 0)
941 		misc |= ATOM_VSYNC_POLARITY;
942 
943 	args.susModeMiscInfo.usAccess = B_HOST_TO_LENDIAN_INT16(misc);
944 	args.ucCRTC = crtcID;
945 
946 	atom_execute_table(gAtomContext, index, (uint32*)&args);
947 }
948 
949 
950 void
951 display_crtc_set_dtd(uint8 crtcID, display_mode* mode)
952 {
953 	display_timing& displayTiming = mode->timing;
954 
955 	TRACE("%s called to do %dx%d\n", __func__,
956 		displayTiming.h_display, displayTiming.v_display);
957 
958 	SET_CRTC_USING_DTD_TIMING_PARAMETERS args;
959 	int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming);
960 	uint16 misc = 0;
961 
962 	memset(&args, 0, sizeof(args));
963 
964 	// Note: the code below assumes H & V borders are both zero
965 	uint16 blankStart
966 		= MIN(displayTiming.h_sync_start, displayTiming.h_display);
967 	uint16 blankEnd
968 		= MAX(displayTiming.h_sync_end, displayTiming.h_total);
969 	args.usH_Size = B_HOST_TO_LENDIAN_INT16(displayTiming.h_display);
970 	args.usH_Blanking_Time = B_HOST_TO_LENDIAN_INT16(blankEnd - blankStart);
971 
972 	blankStart = MIN(displayTiming.v_sync_start, displayTiming.v_display);
973 	blankEnd = MAX(displayTiming.v_sync_end, displayTiming.v_total);
974 	args.usV_Size = B_HOST_TO_LENDIAN_INT16(displayTiming.v_display);
975 	args.usV_Blanking_Time = B_HOST_TO_LENDIAN_INT16(blankEnd - blankStart);
976 
977 	args.usH_SyncOffset = B_HOST_TO_LENDIAN_INT16(displayTiming.h_sync_start
978 		- displayTiming.h_display);
979 	args.usH_SyncWidth = B_HOST_TO_LENDIAN_INT16(displayTiming.h_sync_end
980 		- displayTiming.h_sync_start);
981 
982 	args.usV_SyncOffset = B_HOST_TO_LENDIAN_INT16(displayTiming.v_sync_start
983 		- displayTiming.v_display);
984 	args.usV_SyncWidth = B_HOST_TO_LENDIAN_INT16(displayTiming.v_sync_end
985 		- displayTiming.v_sync_start);
986 
987 	args.ucH_Border = 0;
988 	args.ucV_Border = 0;
989 
990 	if ((displayTiming.flags & B_POSITIVE_HSYNC) == 0)
991 		misc |= ATOM_HSYNC_POLARITY;
992 	if ((displayTiming.flags & B_POSITIVE_VSYNC) == 0)
993 		misc |= ATOM_VSYNC_POLARITY;
994 
995 	args.susModeMiscInfo.usAccess = B_HOST_TO_LENDIAN_INT16(misc);
996 	args.ucCRTC = crtcID;
997 
998 	atom_execute_table(gAtomContext, index, (uint32*)&args);
999 }
1000 
1001 
1002 void
1003 display_crtc_ss(pll_info* pll, int command)
1004 {
1005 	TRACE("%s\n", __func__);
1006 	radeon_shared_info &info = *gInfo->shared_info;
1007 
1008 	if (command == ATOM_ENABLE) {
1009 		if (pll->ssPercentage == 0) {
1010 			TRACE("%s: ssPercentage 0, ignoring SS request\n", __func__);
1011 			return;
1012 		}
1013 		if ((pll->ssType & ATOM_EXTERNAL_SS_MASK) != 0) {
1014 			TRACE("%s: external SS, ignoring SS request\n", __func__);
1015 			return;
1016 		}
1017 	} else {
1018 		if (pll_usage_count(pll->id) > 1) {
1019 			// TODO: Check if PLL has SS enabled on any other displays, if so
1020 			// we need to also skip this function.
1021 			TRACE("%s: TODO: shared PLL detected!\n", __func__);
1022 		}
1023 	}
1024 
1025 	int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL);
1026 
1027 	union enableSS {
1028 		ENABLE_LVDS_SS_PARAMETERS lvds_ss;
1029 		ENABLE_LVDS_SS_PARAMETERS_V2 lvds_ss_2;
1030 		ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION v1;
1031 		ENABLE_SPREAD_SPECTRUM_ON_PPLL_V2 v2;
1032 		ENABLE_SPREAD_SPECTRUM_ON_PPLL_V3 v3;
1033 	};
1034 
1035 	union enableSS args;
1036 	memset(&args, 0, sizeof(args));
1037 
1038 	if (info.dceMajor >= 5) {
1039 		args.v3.usSpreadSpectrumAmountFrac = B_HOST_TO_LENDIAN_INT16(0);
1040 		args.v3.ucSpreadSpectrumType
1041 			= pll->ssType & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
1042 		switch (pll->id) {
1043 			case ATOM_PPLL1:
1044 				args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P1PLL;
1045 				break;
1046 			case ATOM_PPLL2:
1047 				args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL;
1048 				break;
1049 			case ATOM_DCPLL:
1050 				args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL;
1051 				break;
1052 			case ATOM_PPLL_INVALID:
1053 				return;
1054 			default:
1055 				ERROR("%s: BUG: Invalid PLL ID!\n", __func__);
1056 				return;
1057 		}
1058 		args.v3.usSpreadSpectrumAmount = B_HOST_TO_LENDIAN_INT16(pll->ssAmount);
1059 		args.v3.usSpreadSpectrumStep = B_HOST_TO_LENDIAN_INT16(pll->ssStep);
1060 		args.v3.ucEnable = command;
1061 	} else if (info.dceMajor >= 4) {
1062 		args.v2.usSpreadSpectrumPercentage
1063 			= B_HOST_TO_LENDIAN_INT16(pll->ssPercentage);
1064 		args.v2.ucSpreadSpectrumType
1065 			= pll->ssType & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
1066 		switch (pll->id) {
1067 			case ATOM_PPLL1:
1068 				args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P1PLL;
1069 				break;
1070 			case ATOM_PPLL2:
1071 				args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL;
1072 				break;
1073 			case ATOM_DCPLL:
1074 				args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL;
1075 				break;
1076 			case ATOM_PPLL_INVALID:
1077 				return;
1078 			default:
1079 				ERROR("%s: BUG: Invalid PLL ID!\n", __func__);
1080 				return;
1081 		}
1082 		args.v2.usSpreadSpectrumAmount = B_HOST_TO_LENDIAN_INT16(pll->ssAmount);
1083 		args.v2.usSpreadSpectrumStep = B_HOST_TO_LENDIAN_INT16(pll->ssStep);
1084 		args.v2.ucEnable = command;
1085 	} else if (info.dceMajor >= 3) {
1086 		args.v1.usSpreadSpectrumPercentage
1087 			= B_HOST_TO_LENDIAN_INT16(pll->ssPercentage);
1088 		args.v1.ucSpreadSpectrumType
1089 			= pll->ssType & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
1090 		args.v1.ucSpreadSpectrumStep = pll->ssStep;
1091 		args.v1.ucSpreadSpectrumDelay = pll->ssDelay;
1092 		args.v1.ucSpreadSpectrumRange = pll->ssRange;
1093 		args.v1.ucPpll = pll->id;
1094 		args.v1.ucEnable = command;
1095 	} else if (info.dceMajor >= 2) {
1096 		if (command == ATOM_DISABLE) {
1097 			radeon_gpu_ss_control(pll, false);
1098 			return;
1099 		}
1100 		args.lvds_ss_2.usSpreadSpectrumPercentage
1101 			= B_HOST_TO_LENDIAN_INT16(pll->ssPercentage);
1102 		args.lvds_ss_2.ucSpreadSpectrumType
1103 			= pll->ssType & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
1104 		args.lvds_ss_2.ucSpreadSpectrumStep = pll->ssStep;
1105 		args.lvds_ss_2.ucSpreadSpectrumDelay = pll->ssDelay;
1106 		args.lvds_ss_2.ucSpreadSpectrumRange = pll->ssRange;
1107 		args.lvds_ss_2.ucEnable = command;
1108 	} else {
1109 		ERROR("%s: TODO: Old card SS control\n", __func__);
1110 		return;
1111 	}
1112 
1113 	atom_execute_table(gAtomContext, index, (uint32*)&args);
1114 }
1115 
1116 
1117 void
1118 display_crtc_power(uint8 crtcID, int command)
1119 {
1120 	TRACE("%s\n", __func__);
1121 	int index = GetIndexIntoMasterTable(COMMAND, EnableCRTC);
1122 	ENABLE_CRTC_PS_ALLOCATION args;
1123 
1124 	memset(&args, 0, sizeof(args));
1125 
1126 	args.ucCRTC = crtcID;
1127 	args.ucEnable = command;
1128 
1129 	atom_execute_table(gAtomContext, index, (uint32*)&args);
1130 }
1131 
1132 
1133 void
1134 display_crtc_memreq(uint8 crtcID, int command)
1135 {
1136 	TRACE("%s\n", __func__);
1137 	int index = GetIndexIntoMasterTable(COMMAND, EnableCRTCMemReq);
1138 	ENABLE_CRTC_PS_ALLOCATION args;
1139 
1140 	memset(&args, 0, sizeof(args));
1141 
1142 	args.ucCRTC = crtcID;
1143 	args.ucEnable = command;
1144 
1145 	atom_execute_table(gAtomContext, index, (uint32*)&args);
1146 }
1147