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1 /*
2  * Copyright 2007-11 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  *
23  * Authors: Dave Airlie
24  *          Alex Deucher
25  */
26 
27 #include <linux/pci.h>
28 
29 #include <drm/drm_crtc_helper.h>
30 #include <drm/amdgpu_drm.h>
31 #include "amdgpu.h"
32 #include "amdgpu_connectors.h"
33 #include "amdgpu_display.h"
34 #include "atom.h"
35 #include "atombios_encoders.h"
36 #include "atombios_dp.h"
37 #include <linux/backlight.h>
38 #include "bif/bif_4_1_d.h"
39 
40 u8
amdgpu_atombios_encoder_get_backlight_level_from_reg(struct amdgpu_device * adev)41 amdgpu_atombios_encoder_get_backlight_level_from_reg(struct amdgpu_device *adev)
42 {
43 	u8 backlight_level;
44 	u32 bios_2_scratch;
45 
46 	bios_2_scratch = RREG32(mmBIOS_SCRATCH_2);
47 
48 	backlight_level = ((bios_2_scratch & ATOM_S2_CURRENT_BL_LEVEL_MASK) >>
49 			   ATOM_S2_CURRENT_BL_LEVEL_SHIFT);
50 
51 	return backlight_level;
52 }
53 
54 void
amdgpu_atombios_encoder_set_backlight_level_to_reg(struct amdgpu_device * adev,u8 backlight_level)55 amdgpu_atombios_encoder_set_backlight_level_to_reg(struct amdgpu_device *adev,
56 					    u8 backlight_level)
57 {
58 	u32 bios_2_scratch;
59 
60 	bios_2_scratch = RREG32(mmBIOS_SCRATCH_2);
61 
62 	bios_2_scratch &= ~ATOM_S2_CURRENT_BL_LEVEL_MASK;
63 	bios_2_scratch |= ((backlight_level << ATOM_S2_CURRENT_BL_LEVEL_SHIFT) &
64 			   ATOM_S2_CURRENT_BL_LEVEL_MASK);
65 
66 	WREG32(mmBIOS_SCRATCH_2, bios_2_scratch);
67 }
68 
69 u8
amdgpu_atombios_encoder_get_backlight_level(struct amdgpu_encoder * amdgpu_encoder)70 amdgpu_atombios_encoder_get_backlight_level(struct amdgpu_encoder *amdgpu_encoder)
71 {
72 	struct drm_device *dev = amdgpu_encoder->base.dev;
73 	struct amdgpu_device *adev = drm_to_adev(dev);
74 
75 	if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_BL_CONTROLLED_BY_GPU))
76 		return 0;
77 
78 	return amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
79 }
80 
81 void
amdgpu_atombios_encoder_set_backlight_level(struct amdgpu_encoder * amdgpu_encoder,u8 level)82 amdgpu_atombios_encoder_set_backlight_level(struct amdgpu_encoder *amdgpu_encoder,
83 				     u8 level)
84 {
85 	struct drm_encoder *encoder = &amdgpu_encoder->base;
86 	struct drm_device *dev = amdgpu_encoder->base.dev;
87 	struct amdgpu_device *adev = drm_to_adev(dev);
88 	struct amdgpu_encoder_atom_dig *dig;
89 
90 	if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_BL_CONTROLLED_BY_GPU))
91 		return;
92 
93 	if ((amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) &&
94 	    amdgpu_encoder->enc_priv) {
95 		dig = amdgpu_encoder->enc_priv;
96 		dig->backlight_level = level;
97 		amdgpu_atombios_encoder_set_backlight_level_to_reg(adev, dig->backlight_level);
98 
99 		switch (amdgpu_encoder->encoder_id) {
100 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
101 		case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
102 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
103 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
104 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
105 			if (dig->backlight_level == 0)
106 				amdgpu_atombios_encoder_setup_dig_transmitter(encoder,
107 								       ATOM_TRANSMITTER_ACTION_LCD_BLOFF, 0, 0);
108 			else {
109 				amdgpu_atombios_encoder_setup_dig_transmitter(encoder,
110 								       ATOM_TRANSMITTER_ACTION_BL_BRIGHTNESS_CONTROL, 0, 0);
111 				amdgpu_atombios_encoder_setup_dig_transmitter(encoder,
112 								       ATOM_TRANSMITTER_ACTION_LCD_BLON, 0, 0);
113 			}
114 			break;
115 		default:
116 			break;
117 		}
118 	}
119 }
120 
121 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
122 
amdgpu_atombios_encoder_backlight_level(struct backlight_device * bd)123 static u8 amdgpu_atombios_encoder_backlight_level(struct backlight_device *bd)
124 {
125 	u8 level;
126 
127 	/* Convert brightness to hardware level */
128 	if (bd->props.brightness < 0)
129 		level = 0;
130 	else if (bd->props.brightness > AMDGPU_MAX_BL_LEVEL)
131 		level = AMDGPU_MAX_BL_LEVEL;
132 	else
133 		level = bd->props.brightness;
134 
135 	return level;
136 }
137 
amdgpu_atombios_encoder_update_backlight_status(struct backlight_device * bd)138 static int amdgpu_atombios_encoder_update_backlight_status(struct backlight_device *bd)
139 {
140 	struct amdgpu_backlight_privdata *pdata = bl_get_data(bd);
141 	struct amdgpu_encoder *amdgpu_encoder = pdata->encoder;
142 
143 	amdgpu_atombios_encoder_set_backlight_level(amdgpu_encoder,
144 					     amdgpu_atombios_encoder_backlight_level(bd));
145 
146 	return 0;
147 }
148 
149 static int
amdgpu_atombios_encoder_get_backlight_brightness(struct backlight_device * bd)150 amdgpu_atombios_encoder_get_backlight_brightness(struct backlight_device *bd)
151 {
152 	struct amdgpu_backlight_privdata *pdata = bl_get_data(bd);
153 	struct amdgpu_encoder *amdgpu_encoder = pdata->encoder;
154 	struct drm_device *dev = amdgpu_encoder->base.dev;
155 	struct amdgpu_device *adev = drm_to_adev(dev);
156 
157 	return amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
158 }
159 
160 static const struct backlight_ops amdgpu_atombios_encoder_backlight_ops = {
161 	.get_brightness = amdgpu_atombios_encoder_get_backlight_brightness,
162 	.update_status	= amdgpu_atombios_encoder_update_backlight_status,
163 };
164 
amdgpu_atombios_encoder_init_backlight(struct amdgpu_encoder * amdgpu_encoder,struct drm_connector * drm_connector)165 void amdgpu_atombios_encoder_init_backlight(struct amdgpu_encoder *amdgpu_encoder,
166 				     struct drm_connector *drm_connector)
167 {
168 	struct drm_device *dev = amdgpu_encoder->base.dev;
169 	struct amdgpu_device *adev = drm_to_adev(dev);
170 	struct backlight_device *bd;
171 	struct backlight_properties props;
172 	struct amdgpu_backlight_privdata *pdata;
173 	struct amdgpu_encoder_atom_dig *dig;
174 	u8 backlight_level;
175 	char bl_name[16];
176 
177 	/* Mac laptops with multiple GPUs use the gmux driver for backlight
178 	 * so don't register a backlight device
179 	 */
180 	if ((adev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE) &&
181 	    (adev->pdev->device == 0x6741))
182 		return;
183 
184 	if (!amdgpu_encoder->enc_priv)
185 		return;
186 
187 	if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_BL_CONTROLLED_BY_GPU))
188 		return;
189 
190 	pdata = kmalloc(sizeof(struct amdgpu_backlight_privdata), GFP_KERNEL);
191 	if (!pdata) {
192 		DRM_ERROR("Memory allocation failed\n");
193 		goto error;
194 	}
195 
196 	memset(&props, 0, sizeof(props));
197 	props.max_brightness = AMDGPU_MAX_BL_LEVEL;
198 	props.type = BACKLIGHT_RAW;
199 	snprintf(bl_name, sizeof(bl_name),
200 		 "amdgpu_bl%d", dev->primary->index);
201 	bd = backlight_device_register(bl_name, drm_connector->kdev,
202 				       pdata, &amdgpu_atombios_encoder_backlight_ops, &props);
203 	if (IS_ERR(bd)) {
204 		DRM_ERROR("Backlight registration failed\n");
205 		goto error;
206 	}
207 
208 	pdata->encoder = amdgpu_encoder;
209 
210 	backlight_level = amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
211 
212 	dig = amdgpu_encoder->enc_priv;
213 	dig->bl_dev = bd;
214 
215 	bd->props.brightness = amdgpu_atombios_encoder_get_backlight_brightness(bd);
216 	bd->props.power = FB_BLANK_UNBLANK;
217 	backlight_update_status(bd);
218 
219 	DRM_INFO("amdgpu atom DIG backlight initialized\n");
220 
221 	return;
222 
223 error:
224 	kfree(pdata);
225 	return;
226 }
227 
228 void
amdgpu_atombios_encoder_fini_backlight(struct amdgpu_encoder * amdgpu_encoder)229 amdgpu_atombios_encoder_fini_backlight(struct amdgpu_encoder *amdgpu_encoder)
230 {
231 	struct drm_device *dev = amdgpu_encoder->base.dev;
232 	struct amdgpu_device *adev = drm_to_adev(dev);
233 	struct backlight_device *bd = NULL;
234 	struct amdgpu_encoder_atom_dig *dig;
235 
236 	if (!amdgpu_encoder->enc_priv)
237 		return;
238 
239 	if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_BL_CONTROLLED_BY_GPU))
240 		return;
241 
242 	dig = amdgpu_encoder->enc_priv;
243 	bd = dig->bl_dev;
244 	dig->bl_dev = NULL;
245 
246 	if (bd) {
247 		struct amdgpu_legacy_backlight_privdata *pdata;
248 
249 		pdata = bl_get_data(bd);
250 		backlight_device_unregister(bd);
251 		kfree(pdata);
252 
253 		DRM_INFO("amdgpu atom LVDS backlight unloaded\n");
254 	}
255 }
256 
257 #else /* !CONFIG_BACKLIGHT_CLASS_DEVICE */
258 
amdgpu_atombios_encoder_init_backlight(struct amdgpu_encoder * encoder)259 void amdgpu_atombios_encoder_init_backlight(struct amdgpu_encoder *encoder)
260 {
261 }
262 
amdgpu_atombios_encoder_fini_backlight(struct amdgpu_encoder * encoder)263 void amdgpu_atombios_encoder_fini_backlight(struct amdgpu_encoder *encoder)
264 {
265 }
266 
267 #endif
268 
amdgpu_atombios_encoder_is_digital(struct drm_encoder * encoder)269 bool amdgpu_atombios_encoder_is_digital(struct drm_encoder *encoder)
270 {
271 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
272 	switch (amdgpu_encoder->encoder_id) {
273 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
274 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
275 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
276 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
277 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
278 		return true;
279 	default:
280 		return false;
281 	}
282 }
283 
amdgpu_atombios_encoder_mode_fixup(struct drm_encoder * encoder,const struct drm_display_mode * mode,struct drm_display_mode * adjusted_mode)284 bool amdgpu_atombios_encoder_mode_fixup(struct drm_encoder *encoder,
285 				 const struct drm_display_mode *mode,
286 				 struct drm_display_mode *adjusted_mode)
287 {
288 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
289 
290 	/* set the active encoder to connector routing */
291 	amdgpu_encoder_set_active_device(encoder);
292 	drm_mode_set_crtcinfo(adjusted_mode, 0);
293 
294 	/* hw bug */
295 	if ((mode->flags & DRM_MODE_FLAG_INTERLACE)
296 	    && (mode->crtc_vsync_start < (mode->crtc_vdisplay + 2)))
297 		adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + 2;
298 
299 	/* vertical FP must be at least 1 */
300 	if (mode->crtc_vsync_start == mode->crtc_vdisplay)
301 		adjusted_mode->crtc_vsync_start++;
302 
303 	/* get the native mode for scaling */
304 	if (amdgpu_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT))
305 		amdgpu_panel_mode_fixup(encoder, adjusted_mode);
306 	else if (amdgpu_encoder->rmx_type != RMX_OFF)
307 		amdgpu_panel_mode_fixup(encoder, adjusted_mode);
308 
309 	if ((amdgpu_encoder->active_device & (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
310 	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)) {
311 		struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
312 		amdgpu_atombios_dp_set_link_config(connector, adjusted_mode);
313 	}
314 
315 	return true;
316 }
317 
318 static void
amdgpu_atombios_encoder_setup_dac(struct drm_encoder * encoder,int action)319 amdgpu_atombios_encoder_setup_dac(struct drm_encoder *encoder, int action)
320 {
321 	struct drm_device *dev = encoder->dev;
322 	struct amdgpu_device *adev = drm_to_adev(dev);
323 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
324 	DAC_ENCODER_CONTROL_PS_ALLOCATION args;
325 	int index = 0;
326 
327 	memset(&args, 0, sizeof(args));
328 
329 	switch (amdgpu_encoder->encoder_id) {
330 	case ENCODER_OBJECT_ID_INTERNAL_DAC1:
331 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
332 		index = GetIndexIntoMasterTable(COMMAND, DAC1EncoderControl);
333 		break;
334 	case ENCODER_OBJECT_ID_INTERNAL_DAC2:
335 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
336 		index = GetIndexIntoMasterTable(COMMAND, DAC2EncoderControl);
337 		break;
338 	}
339 
340 	args.ucAction = action;
341 	args.ucDacStandard = ATOM_DAC1_PS2;
342 	args.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
343 
344 	amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
345 
346 }
347 
amdgpu_atombios_encoder_get_bpc(struct drm_encoder * encoder)348 static u8 amdgpu_atombios_encoder_get_bpc(struct drm_encoder *encoder)
349 {
350 	int bpc = 8;
351 
352 	if (encoder->crtc) {
353 		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
354 		bpc = amdgpu_crtc->bpc;
355 	}
356 
357 	switch (bpc) {
358 	case 0:
359 		return PANEL_BPC_UNDEFINE;
360 	case 6:
361 		return PANEL_6BIT_PER_COLOR;
362 	case 8:
363 	default:
364 		return PANEL_8BIT_PER_COLOR;
365 	case 10:
366 		return PANEL_10BIT_PER_COLOR;
367 	case 12:
368 		return PANEL_12BIT_PER_COLOR;
369 	case 16:
370 		return PANEL_16BIT_PER_COLOR;
371 	}
372 }
373 
374 union dvo_encoder_control {
375 	ENABLE_EXTERNAL_TMDS_ENCODER_PS_ALLOCATION ext_tmds;
376 	DVO_ENCODER_CONTROL_PS_ALLOCATION dvo;
377 	DVO_ENCODER_CONTROL_PS_ALLOCATION_V3 dvo_v3;
378 	DVO_ENCODER_CONTROL_PS_ALLOCATION_V1_4 dvo_v4;
379 };
380 
381 static void
amdgpu_atombios_encoder_setup_dvo(struct drm_encoder * encoder,int action)382 amdgpu_atombios_encoder_setup_dvo(struct drm_encoder *encoder, int action)
383 {
384 	struct drm_device *dev = encoder->dev;
385 	struct amdgpu_device *adev = drm_to_adev(dev);
386 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
387 	union dvo_encoder_control args;
388 	int index = GetIndexIntoMasterTable(COMMAND, DVOEncoderControl);
389 	uint8_t frev, crev;
390 
391 	memset(&args, 0, sizeof(args));
392 
393 	if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
394 		return;
395 
396 	switch (frev) {
397 	case 1:
398 		switch (crev) {
399 		case 1:
400 			/* R4xx, R5xx */
401 			args.ext_tmds.sXTmdsEncoder.ucEnable = action;
402 
403 			if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
404 				args.ext_tmds.sXTmdsEncoder.ucMisc |= PANEL_ENCODER_MISC_DUAL;
405 
406 			args.ext_tmds.sXTmdsEncoder.ucMisc |= ATOM_PANEL_MISC_888RGB;
407 			break;
408 		case 2:
409 			/* RS600/690/740 */
410 			args.dvo.sDVOEncoder.ucAction = action;
411 			args.dvo.sDVOEncoder.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
412 			/* DFP1, CRT1, TV1 depending on the type of port */
413 			args.dvo.sDVOEncoder.ucDeviceType = ATOM_DEVICE_DFP1_INDEX;
414 
415 			if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
416 				args.dvo.sDVOEncoder.usDevAttr.sDigAttrib.ucAttribute |= PANEL_ENCODER_MISC_DUAL;
417 			break;
418 		case 3:
419 			/* R6xx */
420 			args.dvo_v3.ucAction = action;
421 			args.dvo_v3.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
422 			args.dvo_v3.ucDVOConfig = 0; /* XXX */
423 			break;
424 		case 4:
425 			/* DCE8 */
426 			args.dvo_v4.ucAction = action;
427 			args.dvo_v4.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
428 			args.dvo_v4.ucDVOConfig = 0; /* XXX */
429 			args.dvo_v4.ucBitPerColor = amdgpu_atombios_encoder_get_bpc(encoder);
430 			break;
431 		default:
432 			DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
433 			break;
434 		}
435 		break;
436 	default:
437 		DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
438 		break;
439 	}
440 
441 	amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
442 }
443 
amdgpu_atombios_encoder_get_encoder_mode(struct drm_encoder * encoder)444 int amdgpu_atombios_encoder_get_encoder_mode(struct drm_encoder *encoder)
445 {
446 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
447 	struct drm_connector *connector;
448 	struct amdgpu_connector *amdgpu_connector;
449 	struct amdgpu_connector_atom_dig *dig_connector;
450 
451 	/* dp bridges are always DP */
452 	if (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)
453 		return ATOM_ENCODER_MODE_DP;
454 
455 	/* DVO is always DVO */
456 	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_DVO1) ||
457 	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1))
458 		return ATOM_ENCODER_MODE_DVO;
459 
460 	connector = amdgpu_get_connector_for_encoder(encoder);
461 	/* if we don't have an active device yet, just use one of
462 	 * the connectors tied to the encoder.
463 	 */
464 	if (!connector)
465 		connector = amdgpu_get_connector_for_encoder_init(encoder);
466 	amdgpu_connector = to_amdgpu_connector(connector);
467 
468 	switch (connector->connector_type) {
469 	case DRM_MODE_CONNECTOR_DVII:
470 	case DRM_MODE_CONNECTOR_HDMIB: /* HDMI-B is basically DL-DVI; analog works fine */
471 		if (amdgpu_audio != 0) {
472 			if (amdgpu_connector->use_digital &&
473 			    (amdgpu_connector->audio == AMDGPU_AUDIO_ENABLE))
474 				return ATOM_ENCODER_MODE_HDMI;
475 			else if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector)) &&
476 				 (amdgpu_connector->audio == AMDGPU_AUDIO_AUTO))
477 				return ATOM_ENCODER_MODE_HDMI;
478 			else if (amdgpu_connector->use_digital)
479 				return ATOM_ENCODER_MODE_DVI;
480 			else
481 				return ATOM_ENCODER_MODE_CRT;
482 		} else if (amdgpu_connector->use_digital) {
483 			return ATOM_ENCODER_MODE_DVI;
484 		} else {
485 			return ATOM_ENCODER_MODE_CRT;
486 		}
487 		break;
488 	case DRM_MODE_CONNECTOR_DVID:
489 	case DRM_MODE_CONNECTOR_HDMIA:
490 	default:
491 		if (amdgpu_audio != 0) {
492 			if (amdgpu_connector->audio == AMDGPU_AUDIO_ENABLE)
493 				return ATOM_ENCODER_MODE_HDMI;
494 			else if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector)) &&
495 				 (amdgpu_connector->audio == AMDGPU_AUDIO_AUTO))
496 				return ATOM_ENCODER_MODE_HDMI;
497 			else
498 				return ATOM_ENCODER_MODE_DVI;
499 		} else {
500 			return ATOM_ENCODER_MODE_DVI;
501 		}
502 		break;
503 	case DRM_MODE_CONNECTOR_LVDS:
504 		return ATOM_ENCODER_MODE_LVDS;
505 		break;
506 	case DRM_MODE_CONNECTOR_DisplayPort:
507 		dig_connector = amdgpu_connector->con_priv;
508 		if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
509 		    (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
510 			return ATOM_ENCODER_MODE_DP;
511 		} else if (amdgpu_audio != 0) {
512 			if (amdgpu_connector->audio == AMDGPU_AUDIO_ENABLE)
513 				return ATOM_ENCODER_MODE_HDMI;
514 			else if (drm_detect_hdmi_monitor(amdgpu_connector_edid(connector)) &&
515 				 (amdgpu_connector->audio == AMDGPU_AUDIO_AUTO))
516 				return ATOM_ENCODER_MODE_HDMI;
517 			else
518 				return ATOM_ENCODER_MODE_DVI;
519 		} else {
520 			return ATOM_ENCODER_MODE_DVI;
521 		}
522 		break;
523 	case DRM_MODE_CONNECTOR_eDP:
524 		return ATOM_ENCODER_MODE_DP;
525 	case DRM_MODE_CONNECTOR_DVIA:
526 	case DRM_MODE_CONNECTOR_VGA:
527 		return ATOM_ENCODER_MODE_CRT;
528 		break;
529 	case DRM_MODE_CONNECTOR_Composite:
530 	case DRM_MODE_CONNECTOR_SVIDEO:
531 	case DRM_MODE_CONNECTOR_9PinDIN:
532 		/* fix me */
533 		return ATOM_ENCODER_MODE_TV;
534 		/*return ATOM_ENCODER_MODE_CV;*/
535 		break;
536 	}
537 }
538 
539 /*
540  * DIG Encoder/Transmitter Setup
541  *
542  * DCE 6.0
543  * - 3 DIG transmitter blocks UNIPHY0/1/2 (links A and B).
544  * Supports up to 6 digital outputs
545  * - 6 DIG encoder blocks.
546  * - DIG to PHY mapping is hardcoded
547  * DIG1 drives UNIPHY0 link A, A+B
548  * DIG2 drives UNIPHY0 link B
549  * DIG3 drives UNIPHY1 link A, A+B
550  * DIG4 drives UNIPHY1 link B
551  * DIG5 drives UNIPHY2 link A, A+B
552  * DIG6 drives UNIPHY2 link B
553  *
554  * Routing
555  * crtc -> dig encoder -> UNIPHY/LVTMA (1 or 2 links)
556  * Examples:
557  * crtc0 -> dig2 -> LVTMA   links A+B -> TMDS/HDMI
558  * crtc1 -> dig1 -> UNIPHY0 link  B   -> DP
559  * crtc0 -> dig1 -> UNIPHY2 link  A   -> LVDS
560  * crtc1 -> dig2 -> UNIPHY1 link  B+A -> TMDS/HDMI
561  */
562 
563 union dig_encoder_control {
564 	DIG_ENCODER_CONTROL_PS_ALLOCATION v1;
565 	DIG_ENCODER_CONTROL_PARAMETERS_V2 v2;
566 	DIG_ENCODER_CONTROL_PARAMETERS_V3 v3;
567 	DIG_ENCODER_CONTROL_PARAMETERS_V4 v4;
568 	DIG_ENCODER_CONTROL_PARAMETERS_V5 v5;
569 };
570 
571 void
amdgpu_atombios_encoder_setup_dig_encoder(struct drm_encoder * encoder,int action,int panel_mode)572 amdgpu_atombios_encoder_setup_dig_encoder(struct drm_encoder *encoder,
573 				   int action, int panel_mode)
574 {
575 	struct drm_device *dev = encoder->dev;
576 	struct amdgpu_device *adev = drm_to_adev(dev);
577 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
578 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
579 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
580 	union dig_encoder_control args;
581 	int index = GetIndexIntoMasterTable(COMMAND, DIGxEncoderControl);
582 	uint8_t frev, crev;
583 	int dp_clock = 0;
584 	int dp_lane_count = 0;
585 	int hpd_id = AMDGPU_HPD_NONE;
586 
587 	if (connector) {
588 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
589 		struct amdgpu_connector_atom_dig *dig_connector =
590 			amdgpu_connector->con_priv;
591 
592 		dp_clock = dig_connector->dp_clock;
593 		dp_lane_count = dig_connector->dp_lane_count;
594 		hpd_id = amdgpu_connector->hpd.hpd;
595 	}
596 
597 	/* no dig encoder assigned */
598 	if (dig->dig_encoder == -1)
599 		return;
600 
601 	memset(&args, 0, sizeof(args));
602 
603 	if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
604 		return;
605 
606 	switch (frev) {
607 	case 1:
608 		switch (crev) {
609 		case 1:
610 			args.v1.ucAction = action;
611 			args.v1.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
612 			if (action == ATOM_ENCODER_CMD_SETUP_PANEL_MODE)
613 				args.v3.ucPanelMode = panel_mode;
614 			else
615 				args.v1.ucEncoderMode = amdgpu_atombios_encoder_get_encoder_mode(encoder);
616 
617 			if (ENCODER_MODE_IS_DP(args.v1.ucEncoderMode))
618 				args.v1.ucLaneNum = dp_lane_count;
619 			else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
620 				args.v1.ucLaneNum = 8;
621 			else
622 				args.v1.ucLaneNum = 4;
623 
624 			if (ENCODER_MODE_IS_DP(args.v1.ucEncoderMode) && (dp_clock == 270000))
625 				args.v1.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ;
626 			switch (amdgpu_encoder->encoder_id) {
627 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
628 				args.v1.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER1;
629 				break;
630 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
631 			case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
632 				args.v1.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER2;
633 				break;
634 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
635 				args.v1.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER3;
636 				break;
637 			}
638 			if (dig->linkb)
639 				args.v1.ucConfig |= ATOM_ENCODER_CONFIG_LINKB;
640 			else
641 				args.v1.ucConfig |= ATOM_ENCODER_CONFIG_LINKA;
642 			break;
643 		case 2:
644 		case 3:
645 			args.v3.ucAction = action;
646 			args.v3.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
647 			if (action == ATOM_ENCODER_CMD_SETUP_PANEL_MODE)
648 				args.v3.ucPanelMode = panel_mode;
649 			else
650 				args.v3.ucEncoderMode = amdgpu_atombios_encoder_get_encoder_mode(encoder);
651 
652 			if (ENCODER_MODE_IS_DP(args.v3.ucEncoderMode))
653 				args.v3.ucLaneNum = dp_lane_count;
654 			else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
655 				args.v3.ucLaneNum = 8;
656 			else
657 				args.v3.ucLaneNum = 4;
658 
659 			if (ENCODER_MODE_IS_DP(args.v3.ucEncoderMode) && (dp_clock == 270000))
660 				args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V3_DPLINKRATE_2_70GHZ;
661 			args.v3.acConfig.ucDigSel = dig->dig_encoder;
662 			args.v3.ucBitPerColor = amdgpu_atombios_encoder_get_bpc(encoder);
663 			break;
664 		case 4:
665 			args.v4.ucAction = action;
666 			args.v4.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
667 			if (action == ATOM_ENCODER_CMD_SETUP_PANEL_MODE)
668 				args.v4.ucPanelMode = panel_mode;
669 			else
670 				args.v4.ucEncoderMode = amdgpu_atombios_encoder_get_encoder_mode(encoder);
671 
672 			if (ENCODER_MODE_IS_DP(args.v4.ucEncoderMode))
673 				args.v4.ucLaneNum = dp_lane_count;
674 			else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
675 				args.v4.ucLaneNum = 8;
676 			else
677 				args.v4.ucLaneNum = 4;
678 
679 			if (ENCODER_MODE_IS_DP(args.v4.ucEncoderMode)) {
680 				if (dp_clock == 540000)
681 					args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V4_DPLINKRATE_5_40GHZ;
682 				else if (dp_clock == 324000)
683 					args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V4_DPLINKRATE_3_24GHZ;
684 				else if (dp_clock == 270000)
685 					args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V4_DPLINKRATE_2_70GHZ;
686 				else
687 					args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V4_DPLINKRATE_1_62GHZ;
688 			}
689 			args.v4.acConfig.ucDigSel = dig->dig_encoder;
690 			args.v4.ucBitPerColor = amdgpu_atombios_encoder_get_bpc(encoder);
691 			if (hpd_id == AMDGPU_HPD_NONE)
692 				args.v4.ucHPD_ID = 0;
693 			else
694 				args.v4.ucHPD_ID = hpd_id + 1;
695 			break;
696 		case 5:
697 			switch (action) {
698 			case ATOM_ENCODER_CMD_SETUP_PANEL_MODE:
699 				args.v5.asDPPanelModeParam.ucAction = action;
700 				args.v5.asDPPanelModeParam.ucPanelMode = panel_mode;
701 				args.v5.asDPPanelModeParam.ucDigId = dig->dig_encoder;
702 				break;
703 			case ATOM_ENCODER_CMD_STREAM_SETUP:
704 				args.v5.asStreamParam.ucAction = action;
705 				args.v5.asStreamParam.ucDigId = dig->dig_encoder;
706 				args.v5.asStreamParam.ucDigMode =
707 					amdgpu_atombios_encoder_get_encoder_mode(encoder);
708 				if (ENCODER_MODE_IS_DP(args.v5.asStreamParam.ucDigMode))
709 					args.v5.asStreamParam.ucLaneNum = dp_lane_count;
710 				else if (amdgpu_dig_monitor_is_duallink(encoder,
711 									amdgpu_encoder->pixel_clock))
712 					args.v5.asStreamParam.ucLaneNum = 8;
713 				else
714 					args.v5.asStreamParam.ucLaneNum = 4;
715 				args.v5.asStreamParam.ulPixelClock =
716 					cpu_to_le32(amdgpu_encoder->pixel_clock / 10);
717 				args.v5.asStreamParam.ucBitPerColor =
718 					amdgpu_atombios_encoder_get_bpc(encoder);
719 				args.v5.asStreamParam.ucLinkRateIn270Mhz = dp_clock / 27000;
720 				break;
721 			case ATOM_ENCODER_CMD_DP_LINK_TRAINING_START:
722 			case ATOM_ENCODER_CMD_DP_LINK_TRAINING_PATTERN1:
723 			case ATOM_ENCODER_CMD_DP_LINK_TRAINING_PATTERN2:
724 			case ATOM_ENCODER_CMD_DP_LINK_TRAINING_PATTERN3:
725 			case ATOM_ENCODER_CMD_DP_LINK_TRAINING_PATTERN4:
726 			case ATOM_ENCODER_CMD_DP_LINK_TRAINING_COMPLETE:
727 			case ATOM_ENCODER_CMD_DP_VIDEO_OFF:
728 			case ATOM_ENCODER_CMD_DP_VIDEO_ON:
729 				args.v5.asCmdParam.ucAction = action;
730 				args.v5.asCmdParam.ucDigId = dig->dig_encoder;
731 				break;
732 			default:
733 				DRM_ERROR("Unsupported action 0x%x\n", action);
734 				break;
735 			}
736 			break;
737 		default:
738 			DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
739 			break;
740 		}
741 		break;
742 	default:
743 		DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
744 		break;
745 	}
746 
747 	amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
748 
749 }
750 
751 union dig_transmitter_control {
752 	DIG_TRANSMITTER_CONTROL_PS_ALLOCATION v1;
753 	DIG_TRANSMITTER_CONTROL_PARAMETERS_V2 v2;
754 	DIG_TRANSMITTER_CONTROL_PARAMETERS_V3 v3;
755 	DIG_TRANSMITTER_CONTROL_PARAMETERS_V4 v4;
756 	DIG_TRANSMITTER_CONTROL_PARAMETERS_V1_5 v5;
757 	DIG_TRANSMITTER_CONTROL_PARAMETERS_V1_6 v6;
758 };
759 
760 void
amdgpu_atombios_encoder_setup_dig_transmitter(struct drm_encoder * encoder,int action,uint8_t lane_num,uint8_t lane_set)761 amdgpu_atombios_encoder_setup_dig_transmitter(struct drm_encoder *encoder, int action,
762 					      uint8_t lane_num, uint8_t lane_set)
763 {
764 	struct drm_device *dev = encoder->dev;
765 	struct amdgpu_device *adev = drm_to_adev(dev);
766 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
767 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
768 	struct drm_connector *connector;
769 	union dig_transmitter_control args;
770 	int index = 0;
771 	uint8_t frev, crev;
772 	bool is_dp = false;
773 	int pll_id = 0;
774 	int dp_clock = 0;
775 	int dp_lane_count = 0;
776 	int connector_object_id = 0;
777 	int igp_lane_info = 0;
778 	int dig_encoder = dig->dig_encoder;
779 	int hpd_id = AMDGPU_HPD_NONE;
780 
781 	if (action == ATOM_TRANSMITTER_ACTION_INIT) {
782 		connector = amdgpu_get_connector_for_encoder_init(encoder);
783 		/* just needed to avoid bailing in the encoder check.  the encoder
784 		 * isn't used for init
785 		 */
786 		dig_encoder = 0;
787 	} else
788 		connector = amdgpu_get_connector_for_encoder(encoder);
789 
790 	if (connector) {
791 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
792 		struct amdgpu_connector_atom_dig *dig_connector =
793 			amdgpu_connector->con_priv;
794 
795 		hpd_id = amdgpu_connector->hpd.hpd;
796 		dp_clock = dig_connector->dp_clock;
797 		dp_lane_count = dig_connector->dp_lane_count;
798 		connector_object_id =
799 			(amdgpu_connector->connector_object_id & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
800 	}
801 
802 	if (encoder->crtc) {
803 		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
804 		pll_id = amdgpu_crtc->pll_id;
805 	}
806 
807 	/* no dig encoder assigned */
808 	if (dig_encoder == -1)
809 		return;
810 
811 	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(encoder)))
812 		is_dp = true;
813 
814 	memset(&args, 0, sizeof(args));
815 
816 	switch (amdgpu_encoder->encoder_id) {
817 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
818 		index = GetIndexIntoMasterTable(COMMAND, DVOOutputControl);
819 		break;
820 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
821 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
822 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
823 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
824 		index = GetIndexIntoMasterTable(COMMAND, UNIPHYTransmitterControl);
825 		break;
826 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
827 		index = GetIndexIntoMasterTable(COMMAND, LVTMATransmitterControl);
828 		break;
829 	}
830 
831 	if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
832 		return;
833 
834 	switch (frev) {
835 	case 1:
836 		switch (crev) {
837 		case 1:
838 			args.v1.ucAction = action;
839 			if (action == ATOM_TRANSMITTER_ACTION_INIT) {
840 				args.v1.usInitInfo = cpu_to_le16(connector_object_id);
841 			} else if (action == ATOM_TRANSMITTER_ACTION_SETUP_VSEMPH) {
842 				args.v1.asMode.ucLaneSel = lane_num;
843 				args.v1.asMode.ucLaneSet = lane_set;
844 			} else {
845 				if (is_dp)
846 					args.v1.usPixelClock = cpu_to_le16(dp_clock / 10);
847 				else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
848 					args.v1.usPixelClock = cpu_to_le16((amdgpu_encoder->pixel_clock / 2) / 10);
849 				else
850 					args.v1.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
851 			}
852 
853 			args.v1.ucConfig = ATOM_TRANSMITTER_CONFIG_CLKSRC_PPLL;
854 
855 			if (dig_encoder)
856 				args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_DIG2_ENCODER;
857 			else
858 				args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_DIG1_ENCODER;
859 
860 			if ((adev->flags & AMD_IS_APU) &&
861 			    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_UNIPHY)) {
862 				if (is_dp ||
863 				    !amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock)) {
864 					if (igp_lane_info & 0x1)
865 						args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_0_3;
866 					else if (igp_lane_info & 0x2)
867 						args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_4_7;
868 					else if (igp_lane_info & 0x4)
869 						args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_8_11;
870 					else if (igp_lane_info & 0x8)
871 						args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_12_15;
872 				} else {
873 					if (igp_lane_info & 0x3)
874 						args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_0_7;
875 					else if (igp_lane_info & 0xc)
876 						args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_8_15;
877 				}
878 			}
879 
880 			if (dig->linkb)
881 				args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LINKB;
882 			else
883 				args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LINKA;
884 
885 			if (is_dp)
886 				args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_COHERENT;
887 			else if (amdgpu_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
888 				if (dig->coherent_mode)
889 					args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_COHERENT;
890 				if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
891 					args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_8LANE_LINK;
892 			}
893 			break;
894 		case 2:
895 			args.v2.ucAction = action;
896 			if (action == ATOM_TRANSMITTER_ACTION_INIT) {
897 				args.v2.usInitInfo = cpu_to_le16(connector_object_id);
898 			} else if (action == ATOM_TRANSMITTER_ACTION_SETUP_VSEMPH) {
899 				args.v2.asMode.ucLaneSel = lane_num;
900 				args.v2.asMode.ucLaneSet = lane_set;
901 			} else {
902 				if (is_dp)
903 					args.v2.usPixelClock = cpu_to_le16(dp_clock / 10);
904 				else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
905 					args.v2.usPixelClock = cpu_to_le16((amdgpu_encoder->pixel_clock / 2) / 10);
906 				else
907 					args.v2.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
908 			}
909 
910 			args.v2.acConfig.ucEncoderSel = dig_encoder;
911 			if (dig->linkb)
912 				args.v2.acConfig.ucLinkSel = 1;
913 
914 			switch (amdgpu_encoder->encoder_id) {
915 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
916 				args.v2.acConfig.ucTransmitterSel = 0;
917 				break;
918 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
919 				args.v2.acConfig.ucTransmitterSel = 1;
920 				break;
921 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
922 				args.v2.acConfig.ucTransmitterSel = 2;
923 				break;
924 			}
925 
926 			if (is_dp) {
927 				args.v2.acConfig.fCoherentMode = 1;
928 				args.v2.acConfig.fDPConnector = 1;
929 			} else if (amdgpu_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
930 				if (dig->coherent_mode)
931 					args.v2.acConfig.fCoherentMode = 1;
932 				if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
933 					args.v2.acConfig.fDualLinkConnector = 1;
934 			}
935 			break;
936 		case 3:
937 			args.v3.ucAction = action;
938 			if (action == ATOM_TRANSMITTER_ACTION_INIT) {
939 				args.v3.usInitInfo = cpu_to_le16(connector_object_id);
940 			} else if (action == ATOM_TRANSMITTER_ACTION_SETUP_VSEMPH) {
941 				args.v3.asMode.ucLaneSel = lane_num;
942 				args.v3.asMode.ucLaneSet = lane_set;
943 			} else {
944 				if (is_dp)
945 					args.v3.usPixelClock = cpu_to_le16(dp_clock / 10);
946 				else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
947 					args.v3.usPixelClock = cpu_to_le16((amdgpu_encoder->pixel_clock / 2) / 10);
948 				else
949 					args.v3.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
950 			}
951 
952 			if (is_dp)
953 				args.v3.ucLaneNum = dp_lane_count;
954 			else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
955 				args.v3.ucLaneNum = 8;
956 			else
957 				args.v3.ucLaneNum = 4;
958 
959 			if (dig->linkb)
960 				args.v3.acConfig.ucLinkSel = 1;
961 			if (dig_encoder & 1)
962 				args.v3.acConfig.ucEncoderSel = 1;
963 
964 			/* Select the PLL for the PHY
965 			 * DP PHY should be clocked from external src if there is
966 			 * one.
967 			 */
968 			/* On DCE4, if there is an external clock, it generates the DP ref clock */
969 			if (is_dp && adev->clock.dp_extclk)
970 				args.v3.acConfig.ucRefClkSource = 2; /* external src */
971 			else
972 				args.v3.acConfig.ucRefClkSource = pll_id;
973 
974 			switch (amdgpu_encoder->encoder_id) {
975 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
976 				args.v3.acConfig.ucTransmitterSel = 0;
977 				break;
978 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
979 				args.v3.acConfig.ucTransmitterSel = 1;
980 				break;
981 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
982 				args.v3.acConfig.ucTransmitterSel = 2;
983 				break;
984 			}
985 
986 			if (is_dp)
987 				args.v3.acConfig.fCoherentMode = 1; /* DP requires coherent */
988 			else if (amdgpu_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
989 				if (dig->coherent_mode)
990 					args.v3.acConfig.fCoherentMode = 1;
991 				if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
992 					args.v3.acConfig.fDualLinkConnector = 1;
993 			}
994 			break;
995 		case 4:
996 			args.v4.ucAction = action;
997 			if (action == ATOM_TRANSMITTER_ACTION_INIT) {
998 				args.v4.usInitInfo = cpu_to_le16(connector_object_id);
999 			} else if (action == ATOM_TRANSMITTER_ACTION_SETUP_VSEMPH) {
1000 				args.v4.asMode.ucLaneSel = lane_num;
1001 				args.v4.asMode.ucLaneSet = lane_set;
1002 			} else {
1003 				if (is_dp)
1004 					args.v4.usPixelClock = cpu_to_le16(dp_clock / 10);
1005 				else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
1006 					args.v4.usPixelClock = cpu_to_le16((amdgpu_encoder->pixel_clock / 2) / 10);
1007 				else
1008 					args.v4.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
1009 			}
1010 
1011 			if (is_dp)
1012 				args.v4.ucLaneNum = dp_lane_count;
1013 			else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
1014 				args.v4.ucLaneNum = 8;
1015 			else
1016 				args.v4.ucLaneNum = 4;
1017 
1018 			if (dig->linkb)
1019 				args.v4.acConfig.ucLinkSel = 1;
1020 			if (dig_encoder & 1)
1021 				args.v4.acConfig.ucEncoderSel = 1;
1022 
1023 			/* Select the PLL for the PHY
1024 			 * DP PHY should be clocked from external src if there is
1025 			 * one.
1026 			 */
1027 			/* On DCE5 DCPLL usually generates the DP ref clock */
1028 			if (is_dp) {
1029 				if (adev->clock.dp_extclk)
1030 					args.v4.acConfig.ucRefClkSource = ENCODER_REFCLK_SRC_EXTCLK;
1031 				else
1032 					args.v4.acConfig.ucRefClkSource = ENCODER_REFCLK_SRC_DCPLL;
1033 			} else
1034 				args.v4.acConfig.ucRefClkSource = pll_id;
1035 
1036 			switch (amdgpu_encoder->encoder_id) {
1037 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
1038 				args.v4.acConfig.ucTransmitterSel = 0;
1039 				break;
1040 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
1041 				args.v4.acConfig.ucTransmitterSel = 1;
1042 				break;
1043 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
1044 				args.v4.acConfig.ucTransmitterSel = 2;
1045 				break;
1046 			}
1047 
1048 			if (is_dp)
1049 				args.v4.acConfig.fCoherentMode = 1; /* DP requires coherent */
1050 			else if (amdgpu_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
1051 				if (dig->coherent_mode)
1052 					args.v4.acConfig.fCoherentMode = 1;
1053 				if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
1054 					args.v4.acConfig.fDualLinkConnector = 1;
1055 			}
1056 			break;
1057 		case 5:
1058 			args.v5.ucAction = action;
1059 			if (is_dp)
1060 				args.v5.usSymClock = cpu_to_le16(dp_clock / 10);
1061 			else
1062 				args.v5.usSymClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
1063 
1064 			switch (amdgpu_encoder->encoder_id) {
1065 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
1066 				if (dig->linkb)
1067 					args.v5.ucPhyId = ATOM_PHY_ID_UNIPHYB;
1068 				else
1069 					args.v5.ucPhyId = ATOM_PHY_ID_UNIPHYA;
1070 				break;
1071 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
1072 				if (dig->linkb)
1073 					args.v5.ucPhyId = ATOM_PHY_ID_UNIPHYD;
1074 				else
1075 					args.v5.ucPhyId = ATOM_PHY_ID_UNIPHYC;
1076 				break;
1077 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
1078 				if (dig->linkb)
1079 					args.v5.ucPhyId = ATOM_PHY_ID_UNIPHYF;
1080 				else
1081 					args.v5.ucPhyId = ATOM_PHY_ID_UNIPHYE;
1082 				break;
1083 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
1084 				args.v5.ucPhyId = ATOM_PHY_ID_UNIPHYG;
1085 				break;
1086 			}
1087 			if (is_dp)
1088 				args.v5.ucLaneNum = dp_lane_count;
1089 			else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
1090 				args.v5.ucLaneNum = 8;
1091 			else
1092 				args.v5.ucLaneNum = 4;
1093 			args.v5.ucConnObjId = connector_object_id;
1094 			args.v5.ucDigMode = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1095 
1096 			if (is_dp && adev->clock.dp_extclk)
1097 				args.v5.asConfig.ucPhyClkSrcId = ENCODER_REFCLK_SRC_EXTCLK;
1098 			else
1099 				args.v5.asConfig.ucPhyClkSrcId = pll_id;
1100 
1101 			if (is_dp)
1102 				args.v5.asConfig.ucCoherentMode = 1; /* DP requires coherent */
1103 			else if (amdgpu_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
1104 				if (dig->coherent_mode)
1105 					args.v5.asConfig.ucCoherentMode = 1;
1106 			}
1107 			if (hpd_id == AMDGPU_HPD_NONE)
1108 				args.v5.asConfig.ucHPDSel = 0;
1109 			else
1110 				args.v5.asConfig.ucHPDSel = hpd_id + 1;
1111 			args.v5.ucDigEncoderSel = 1 << dig_encoder;
1112 			args.v5.ucDPLaneSet = lane_set;
1113 			break;
1114 		case 6:
1115 			args.v6.ucAction = action;
1116 			if (is_dp)
1117 				args.v6.ulSymClock = cpu_to_le32(dp_clock / 10);
1118 			else
1119 				args.v6.ulSymClock = cpu_to_le32(amdgpu_encoder->pixel_clock / 10);
1120 
1121 			switch (amdgpu_encoder->encoder_id) {
1122 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
1123 				if (dig->linkb)
1124 					args.v6.ucPhyId = ATOM_PHY_ID_UNIPHYB;
1125 				else
1126 					args.v6.ucPhyId = ATOM_PHY_ID_UNIPHYA;
1127 				break;
1128 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
1129 				if (dig->linkb)
1130 					args.v6.ucPhyId = ATOM_PHY_ID_UNIPHYD;
1131 				else
1132 					args.v6.ucPhyId = ATOM_PHY_ID_UNIPHYC;
1133 				break;
1134 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
1135 				if (dig->linkb)
1136 					args.v6.ucPhyId = ATOM_PHY_ID_UNIPHYF;
1137 				else
1138 					args.v6.ucPhyId = ATOM_PHY_ID_UNIPHYE;
1139 				break;
1140 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
1141 				args.v6.ucPhyId = ATOM_PHY_ID_UNIPHYG;
1142 				break;
1143 			}
1144 			if (is_dp)
1145 				args.v6.ucLaneNum = dp_lane_count;
1146 			else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
1147 				args.v6.ucLaneNum = 8;
1148 			else
1149 				args.v6.ucLaneNum = 4;
1150 			args.v6.ucConnObjId = connector_object_id;
1151 			if (action == ATOM_TRANSMITTER_ACTION_SETUP_VSEMPH)
1152 				args.v6.ucDPLaneSet = lane_set;
1153 			else
1154 				args.v6.ucDigMode = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1155 
1156 			if (hpd_id == AMDGPU_HPD_NONE)
1157 				args.v6.ucHPDSel = 0;
1158 			else
1159 				args.v6.ucHPDSel = hpd_id + 1;
1160 			args.v6.ucDigEncoderSel = 1 << dig_encoder;
1161 			break;
1162 		default:
1163 			DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1164 			break;
1165 		}
1166 		break;
1167 	default:
1168 		DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1169 		break;
1170 	}
1171 
1172 	amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1173 }
1174 
1175 bool
amdgpu_atombios_encoder_set_edp_panel_power(struct drm_connector * connector,int action)1176 amdgpu_atombios_encoder_set_edp_panel_power(struct drm_connector *connector,
1177 				     int action)
1178 {
1179 	struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1180 	struct drm_device *dev = amdgpu_connector->base.dev;
1181 	struct amdgpu_device *adev = drm_to_adev(dev);
1182 	union dig_transmitter_control args;
1183 	int index = GetIndexIntoMasterTable(COMMAND, UNIPHYTransmitterControl);
1184 	uint8_t frev, crev;
1185 
1186 	if (connector->connector_type != DRM_MODE_CONNECTOR_eDP)
1187 		goto done;
1188 
1189 	if ((action != ATOM_TRANSMITTER_ACTION_POWER_ON) &&
1190 	    (action != ATOM_TRANSMITTER_ACTION_POWER_OFF))
1191 		goto done;
1192 
1193 	if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
1194 		goto done;
1195 
1196 	memset(&args, 0, sizeof(args));
1197 
1198 	args.v1.ucAction = action;
1199 
1200 	amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1201 
1202 	/* wait for the panel to power up */
1203 	if (action == ATOM_TRANSMITTER_ACTION_POWER_ON) {
1204 		int i;
1205 
1206 		for (i = 0; i < 300; i++) {
1207 			if (amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd))
1208 				return true;
1209 			mdelay(1);
1210 		}
1211 		return false;
1212 	}
1213 done:
1214 	return true;
1215 }
1216 
1217 union external_encoder_control {
1218 	EXTERNAL_ENCODER_CONTROL_PS_ALLOCATION v1;
1219 	EXTERNAL_ENCODER_CONTROL_PS_ALLOCATION_V3 v3;
1220 };
1221 
1222 static void
amdgpu_atombios_encoder_setup_external_encoder(struct drm_encoder * encoder,struct drm_encoder * ext_encoder,int action)1223 amdgpu_atombios_encoder_setup_external_encoder(struct drm_encoder *encoder,
1224 					struct drm_encoder *ext_encoder,
1225 					int action)
1226 {
1227 	struct drm_device *dev = encoder->dev;
1228 	struct amdgpu_device *adev = drm_to_adev(dev);
1229 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1230 	struct amdgpu_encoder *ext_amdgpu_encoder = to_amdgpu_encoder(ext_encoder);
1231 	union external_encoder_control args;
1232 	struct drm_connector *connector;
1233 	int index = GetIndexIntoMasterTable(COMMAND, ExternalEncoderControl);
1234 	u8 frev, crev;
1235 	int dp_clock = 0;
1236 	int dp_lane_count = 0;
1237 	int connector_object_id = 0;
1238 	u32 ext_enum = (ext_amdgpu_encoder->encoder_enum & ENUM_ID_MASK) >> ENUM_ID_SHIFT;
1239 
1240 	if (action == EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT)
1241 		connector = amdgpu_get_connector_for_encoder_init(encoder);
1242 	else
1243 		connector = amdgpu_get_connector_for_encoder(encoder);
1244 
1245 	if (connector) {
1246 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1247 		struct amdgpu_connector_atom_dig *dig_connector =
1248 			amdgpu_connector->con_priv;
1249 
1250 		dp_clock = dig_connector->dp_clock;
1251 		dp_lane_count = dig_connector->dp_lane_count;
1252 		connector_object_id =
1253 			(amdgpu_connector->connector_object_id & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
1254 	}
1255 
1256 	memset(&args, 0, sizeof(args));
1257 
1258 	if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
1259 		return;
1260 
1261 	switch (frev) {
1262 	case 1:
1263 		/* no params on frev 1 */
1264 		break;
1265 	case 2:
1266 		switch (crev) {
1267 		case 1:
1268 		case 2:
1269 			args.v1.sDigEncoder.ucAction = action;
1270 			args.v1.sDigEncoder.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
1271 			args.v1.sDigEncoder.ucEncoderMode =
1272 				amdgpu_atombios_encoder_get_encoder_mode(encoder);
1273 
1274 			if (ENCODER_MODE_IS_DP(args.v1.sDigEncoder.ucEncoderMode)) {
1275 				if (dp_clock == 270000)
1276 					args.v1.sDigEncoder.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ;
1277 				args.v1.sDigEncoder.ucLaneNum = dp_lane_count;
1278 			} else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
1279 				args.v1.sDigEncoder.ucLaneNum = 8;
1280 			else
1281 				args.v1.sDigEncoder.ucLaneNum = 4;
1282 			break;
1283 		case 3:
1284 			args.v3.sExtEncoder.ucAction = action;
1285 			if (action == EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT)
1286 				args.v3.sExtEncoder.usConnectorId = cpu_to_le16(connector_object_id);
1287 			else
1288 				args.v3.sExtEncoder.usPixelClock = cpu_to_le16(amdgpu_encoder->pixel_clock / 10);
1289 			args.v3.sExtEncoder.ucEncoderMode =
1290 				amdgpu_atombios_encoder_get_encoder_mode(encoder);
1291 
1292 			if (ENCODER_MODE_IS_DP(args.v3.sExtEncoder.ucEncoderMode)) {
1293 				if (dp_clock == 270000)
1294 					args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_DPLINKRATE_2_70GHZ;
1295 				else if (dp_clock == 540000)
1296 					args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_DPLINKRATE_5_40GHZ;
1297 				args.v3.sExtEncoder.ucLaneNum = dp_lane_count;
1298 			} else if (amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock))
1299 				args.v3.sExtEncoder.ucLaneNum = 8;
1300 			else
1301 				args.v3.sExtEncoder.ucLaneNum = 4;
1302 			switch (ext_enum) {
1303 			case GRAPH_OBJECT_ENUM_ID1:
1304 				args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_ENCODER1;
1305 				break;
1306 			case GRAPH_OBJECT_ENUM_ID2:
1307 				args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_ENCODER2;
1308 				break;
1309 			case GRAPH_OBJECT_ENUM_ID3:
1310 				args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_ENCODER3;
1311 				break;
1312 			}
1313 			args.v3.sExtEncoder.ucBitPerColor = amdgpu_atombios_encoder_get_bpc(encoder);
1314 			break;
1315 		default:
1316 			DRM_ERROR("Unknown table version: %d, %d\n", frev, crev);
1317 			return;
1318 		}
1319 		break;
1320 	default:
1321 		DRM_ERROR("Unknown table version: %d, %d\n", frev, crev);
1322 		return;
1323 	}
1324 	amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1325 }
1326 
1327 static void
amdgpu_atombios_encoder_setup_dig(struct drm_encoder * encoder,int action)1328 amdgpu_atombios_encoder_setup_dig(struct drm_encoder *encoder, int action)
1329 {
1330 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1331 	struct drm_encoder *ext_encoder = amdgpu_get_external_encoder(encoder);
1332 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1333 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1334 	struct amdgpu_connector *amdgpu_connector = NULL;
1335 	struct amdgpu_connector_atom_dig *amdgpu_dig_connector = NULL;
1336 
1337 	if (connector) {
1338 		amdgpu_connector = to_amdgpu_connector(connector);
1339 		amdgpu_dig_connector = amdgpu_connector->con_priv;
1340 	}
1341 
1342 	if (action == ATOM_ENABLE) {
1343 		if (!connector)
1344 			dig->panel_mode = DP_PANEL_MODE_EXTERNAL_DP_MODE;
1345 		else
1346 			dig->panel_mode = amdgpu_atombios_dp_get_panel_mode(encoder, connector);
1347 
1348 		/* setup and enable the encoder */
1349 		amdgpu_atombios_encoder_setup_dig_encoder(encoder, ATOM_ENCODER_CMD_SETUP, 0);
1350 		amdgpu_atombios_encoder_setup_dig_encoder(encoder,
1351 						   ATOM_ENCODER_CMD_SETUP_PANEL_MODE,
1352 						   dig->panel_mode);
1353 		if (ext_encoder)
1354 			amdgpu_atombios_encoder_setup_external_encoder(encoder, ext_encoder,
1355 								EXTERNAL_ENCODER_ACTION_V3_ENCODER_SETUP);
1356 		if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(encoder)) &&
1357 		    connector) {
1358 			if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1359 				amdgpu_atombios_encoder_set_edp_panel_power(connector,
1360 								     ATOM_TRANSMITTER_ACTION_POWER_ON);
1361 				amdgpu_dig_connector->edp_on = true;
1362 			}
1363 		}
1364 		/* enable the transmitter */
1365 		amdgpu_atombios_encoder_setup_dig_transmitter(encoder,
1366 						       ATOM_TRANSMITTER_ACTION_ENABLE,
1367 						       0, 0);
1368 		if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(encoder)) &&
1369 		    connector) {
1370 			/* DP_SET_POWER_D0 is set in amdgpu_atombios_dp_link_train */
1371 			amdgpu_atombios_dp_link_train(encoder, connector);
1372 			amdgpu_atombios_encoder_setup_dig_encoder(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON, 0);
1373 		}
1374 		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
1375 			amdgpu_atombios_encoder_set_backlight_level(amdgpu_encoder, dig->backlight_level);
1376 		if (ext_encoder)
1377 			amdgpu_atombios_encoder_setup_external_encoder(encoder, ext_encoder, ATOM_ENABLE);
1378 	} else {
1379 		if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(encoder)) &&
1380 		    connector)
1381 			amdgpu_atombios_encoder_setup_dig_encoder(encoder,
1382 							   ATOM_ENCODER_CMD_DP_VIDEO_OFF, 0);
1383 		if (ext_encoder)
1384 			amdgpu_atombios_encoder_setup_external_encoder(encoder, ext_encoder, ATOM_DISABLE);
1385 		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
1386 			amdgpu_atombios_encoder_setup_dig_transmitter(encoder,
1387 							       ATOM_TRANSMITTER_ACTION_LCD_BLOFF, 0, 0);
1388 
1389 		if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(encoder)) &&
1390 		    connector)
1391 			amdgpu_atombios_dp_set_rx_power_state(connector, DP_SET_POWER_D3);
1392 		/* disable the transmitter */
1393 		amdgpu_atombios_encoder_setup_dig_transmitter(encoder,
1394 						       ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
1395 		if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(encoder)) &&
1396 		    connector) {
1397 			if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1398 				amdgpu_atombios_encoder_set_edp_panel_power(connector,
1399 								     ATOM_TRANSMITTER_ACTION_POWER_OFF);
1400 				amdgpu_dig_connector->edp_on = false;
1401 			}
1402 		}
1403 	}
1404 }
1405 
1406 void
amdgpu_atombios_encoder_dpms(struct drm_encoder * encoder,int mode)1407 amdgpu_atombios_encoder_dpms(struct drm_encoder *encoder, int mode)
1408 {
1409 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1410 
1411 	DRM_DEBUG_KMS("encoder dpms %d to mode %d, devices %08x, active_devices %08x\n",
1412 		  amdgpu_encoder->encoder_id, mode, amdgpu_encoder->devices,
1413 		  amdgpu_encoder->active_device);
1414 	switch (amdgpu_encoder->encoder_id) {
1415 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
1416 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
1417 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
1418 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
1419 		switch (mode) {
1420 		case DRM_MODE_DPMS_ON:
1421 			amdgpu_atombios_encoder_setup_dig(encoder, ATOM_ENABLE);
1422 			break;
1423 		case DRM_MODE_DPMS_STANDBY:
1424 		case DRM_MODE_DPMS_SUSPEND:
1425 		case DRM_MODE_DPMS_OFF:
1426 			amdgpu_atombios_encoder_setup_dig(encoder, ATOM_DISABLE);
1427 			break;
1428 		}
1429 		break;
1430 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
1431 		switch (mode) {
1432 		case DRM_MODE_DPMS_ON:
1433 			amdgpu_atombios_encoder_setup_dvo(encoder, ATOM_ENABLE);
1434 			break;
1435 		case DRM_MODE_DPMS_STANDBY:
1436 		case DRM_MODE_DPMS_SUSPEND:
1437 		case DRM_MODE_DPMS_OFF:
1438 			amdgpu_atombios_encoder_setup_dvo(encoder, ATOM_DISABLE);
1439 			break;
1440 		}
1441 		break;
1442 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
1443 		switch (mode) {
1444 		case DRM_MODE_DPMS_ON:
1445 			amdgpu_atombios_encoder_setup_dac(encoder, ATOM_ENABLE);
1446 			break;
1447 		case DRM_MODE_DPMS_STANDBY:
1448 		case DRM_MODE_DPMS_SUSPEND:
1449 		case DRM_MODE_DPMS_OFF:
1450 			amdgpu_atombios_encoder_setup_dac(encoder, ATOM_DISABLE);
1451 			break;
1452 		}
1453 		break;
1454 	default:
1455 		return;
1456 	}
1457 }
1458 
1459 union crtc_source_param {
1460 	SELECT_CRTC_SOURCE_PS_ALLOCATION v1;
1461 	SELECT_CRTC_SOURCE_PARAMETERS_V2 v2;
1462 	SELECT_CRTC_SOURCE_PARAMETERS_V3 v3;
1463 };
1464 
1465 void
amdgpu_atombios_encoder_set_crtc_source(struct drm_encoder * encoder)1466 amdgpu_atombios_encoder_set_crtc_source(struct drm_encoder *encoder)
1467 {
1468 	struct drm_device *dev = encoder->dev;
1469 	struct amdgpu_device *adev = drm_to_adev(dev);
1470 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1471 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1472 	union crtc_source_param args;
1473 	int index = GetIndexIntoMasterTable(COMMAND, SelectCRTC_Source);
1474 	uint8_t frev, crev;
1475 	struct amdgpu_encoder_atom_dig *dig;
1476 
1477 	memset(&args, 0, sizeof(args));
1478 
1479 	if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
1480 		return;
1481 
1482 	switch (frev) {
1483 	case 1:
1484 		switch (crev) {
1485 		case 1:
1486 		default:
1487 			args.v1.ucCRTC = amdgpu_crtc->crtc_id;
1488 			switch (amdgpu_encoder->encoder_id) {
1489 			case ENCODER_OBJECT_ID_INTERNAL_TMDS1:
1490 			case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
1491 				args.v1.ucDevice = ATOM_DEVICE_DFP1_INDEX;
1492 				break;
1493 			case ENCODER_OBJECT_ID_INTERNAL_LVDS:
1494 			case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
1495 				if (amdgpu_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT)
1496 					args.v1.ucDevice = ATOM_DEVICE_LCD1_INDEX;
1497 				else
1498 					args.v1.ucDevice = ATOM_DEVICE_DFP3_INDEX;
1499 				break;
1500 			case ENCODER_OBJECT_ID_INTERNAL_DVO1:
1501 			case ENCODER_OBJECT_ID_INTERNAL_DDI:
1502 			case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
1503 				args.v1.ucDevice = ATOM_DEVICE_DFP2_INDEX;
1504 				break;
1505 			case ENCODER_OBJECT_ID_INTERNAL_DAC1:
1506 			case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
1507 				if (amdgpu_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
1508 					args.v1.ucDevice = ATOM_DEVICE_TV1_INDEX;
1509 				else if (amdgpu_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT))
1510 					args.v1.ucDevice = ATOM_DEVICE_CV_INDEX;
1511 				else
1512 					args.v1.ucDevice = ATOM_DEVICE_CRT1_INDEX;
1513 				break;
1514 			case ENCODER_OBJECT_ID_INTERNAL_DAC2:
1515 			case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
1516 				if (amdgpu_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
1517 					args.v1.ucDevice = ATOM_DEVICE_TV1_INDEX;
1518 				else if (amdgpu_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT))
1519 					args.v1.ucDevice = ATOM_DEVICE_CV_INDEX;
1520 				else
1521 					args.v1.ucDevice = ATOM_DEVICE_CRT2_INDEX;
1522 				break;
1523 			}
1524 			break;
1525 		case 2:
1526 			args.v2.ucCRTC = amdgpu_crtc->crtc_id;
1527 			if (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE) {
1528 				struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1529 
1530 				if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
1531 					args.v2.ucEncodeMode = ATOM_ENCODER_MODE_LVDS;
1532 				else if (connector->connector_type == DRM_MODE_CONNECTOR_VGA)
1533 					args.v2.ucEncodeMode = ATOM_ENCODER_MODE_CRT;
1534 				else
1535 					args.v2.ucEncodeMode = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1536 			} else if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
1537 				args.v2.ucEncodeMode = ATOM_ENCODER_MODE_LVDS;
1538 			} else {
1539 				args.v2.ucEncodeMode = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1540 			}
1541 			switch (amdgpu_encoder->encoder_id) {
1542 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
1543 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
1544 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
1545 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
1546 			case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
1547 				dig = amdgpu_encoder->enc_priv;
1548 				switch (dig->dig_encoder) {
1549 				case 0:
1550 					args.v2.ucEncoderID = ASIC_INT_DIG1_ENCODER_ID;
1551 					break;
1552 				case 1:
1553 					args.v2.ucEncoderID = ASIC_INT_DIG2_ENCODER_ID;
1554 					break;
1555 				case 2:
1556 					args.v2.ucEncoderID = ASIC_INT_DIG3_ENCODER_ID;
1557 					break;
1558 				case 3:
1559 					args.v2.ucEncoderID = ASIC_INT_DIG4_ENCODER_ID;
1560 					break;
1561 				case 4:
1562 					args.v2.ucEncoderID = ASIC_INT_DIG5_ENCODER_ID;
1563 					break;
1564 				case 5:
1565 					args.v2.ucEncoderID = ASIC_INT_DIG6_ENCODER_ID;
1566 					break;
1567 				case 6:
1568 					args.v2.ucEncoderID = ASIC_INT_DIG7_ENCODER_ID;
1569 					break;
1570 				}
1571 				break;
1572 			case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
1573 				args.v2.ucEncoderID = ASIC_INT_DVO_ENCODER_ID;
1574 				break;
1575 			case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
1576 				if (amdgpu_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
1577 					args.v2.ucEncoderID = ASIC_INT_TV_ENCODER_ID;
1578 				else if (amdgpu_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT))
1579 					args.v2.ucEncoderID = ASIC_INT_TV_ENCODER_ID;
1580 				else
1581 					args.v2.ucEncoderID = ASIC_INT_DAC1_ENCODER_ID;
1582 				break;
1583 			case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
1584 				if (amdgpu_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
1585 					args.v2.ucEncoderID = ASIC_INT_TV_ENCODER_ID;
1586 				else if (amdgpu_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT))
1587 					args.v2.ucEncoderID = ASIC_INT_TV_ENCODER_ID;
1588 				else
1589 					args.v2.ucEncoderID = ASIC_INT_DAC2_ENCODER_ID;
1590 				break;
1591 			}
1592 			break;
1593 		case 3:
1594 			args.v3.ucCRTC = amdgpu_crtc->crtc_id;
1595 			if (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE) {
1596 				struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1597 
1598 				if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
1599 					args.v2.ucEncodeMode = ATOM_ENCODER_MODE_LVDS;
1600 				else if (connector->connector_type == DRM_MODE_CONNECTOR_VGA)
1601 					args.v2.ucEncodeMode = ATOM_ENCODER_MODE_CRT;
1602 				else
1603 					args.v2.ucEncodeMode = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1604 			} else if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
1605 				args.v2.ucEncodeMode = ATOM_ENCODER_MODE_LVDS;
1606 			} else {
1607 				args.v2.ucEncodeMode = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1608 			}
1609 			args.v3.ucDstBpc = amdgpu_atombios_encoder_get_bpc(encoder);
1610 			switch (amdgpu_encoder->encoder_id) {
1611 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
1612 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
1613 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
1614 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
1615 			case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
1616 				dig = amdgpu_encoder->enc_priv;
1617 				switch (dig->dig_encoder) {
1618 				case 0:
1619 					args.v3.ucEncoderID = ASIC_INT_DIG1_ENCODER_ID;
1620 					break;
1621 				case 1:
1622 					args.v3.ucEncoderID = ASIC_INT_DIG2_ENCODER_ID;
1623 					break;
1624 				case 2:
1625 					args.v3.ucEncoderID = ASIC_INT_DIG3_ENCODER_ID;
1626 					break;
1627 				case 3:
1628 					args.v3.ucEncoderID = ASIC_INT_DIG4_ENCODER_ID;
1629 					break;
1630 				case 4:
1631 					args.v3.ucEncoderID = ASIC_INT_DIG5_ENCODER_ID;
1632 					break;
1633 				case 5:
1634 					args.v3.ucEncoderID = ASIC_INT_DIG6_ENCODER_ID;
1635 					break;
1636 				case 6:
1637 					args.v3.ucEncoderID = ASIC_INT_DIG7_ENCODER_ID;
1638 					break;
1639 				}
1640 				break;
1641 			case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
1642 				args.v3.ucEncoderID = ASIC_INT_DVO_ENCODER_ID;
1643 				break;
1644 			case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
1645 				if (amdgpu_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
1646 					args.v3.ucEncoderID = ASIC_INT_TV_ENCODER_ID;
1647 				else if (amdgpu_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT))
1648 					args.v3.ucEncoderID = ASIC_INT_TV_ENCODER_ID;
1649 				else
1650 					args.v3.ucEncoderID = ASIC_INT_DAC1_ENCODER_ID;
1651 				break;
1652 			case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
1653 				if (amdgpu_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
1654 					args.v3.ucEncoderID = ASIC_INT_TV_ENCODER_ID;
1655 				else if (amdgpu_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT))
1656 					args.v3.ucEncoderID = ASIC_INT_TV_ENCODER_ID;
1657 				else
1658 					args.v3.ucEncoderID = ASIC_INT_DAC2_ENCODER_ID;
1659 				break;
1660 			}
1661 			break;
1662 		}
1663 		break;
1664 	default:
1665 		DRM_ERROR("Unknown table version: %d, %d\n", frev, crev);
1666 		return;
1667 	}
1668 
1669 	amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1670 }
1671 
1672 /* This only needs to be called once at startup */
1673 void
amdgpu_atombios_encoder_init_dig(struct amdgpu_device * adev)1674 amdgpu_atombios_encoder_init_dig(struct amdgpu_device *adev)
1675 {
1676 	struct drm_device *dev = adev_to_drm(adev);
1677 	struct drm_encoder *encoder;
1678 
1679 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1680 		struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1681 		struct drm_encoder *ext_encoder = amdgpu_get_external_encoder(encoder);
1682 
1683 		switch (amdgpu_encoder->encoder_id) {
1684 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
1685 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
1686 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
1687 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
1688 			amdgpu_atombios_encoder_setup_dig_transmitter(encoder, ATOM_TRANSMITTER_ACTION_INIT,
1689 							       0, 0);
1690 			break;
1691 		}
1692 
1693 		if (ext_encoder)
1694 			amdgpu_atombios_encoder_setup_external_encoder(encoder, ext_encoder,
1695 								EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT);
1696 	}
1697 }
1698 
1699 static bool
amdgpu_atombios_encoder_dac_load_detect(struct drm_encoder * encoder,struct drm_connector * connector)1700 amdgpu_atombios_encoder_dac_load_detect(struct drm_encoder *encoder,
1701 				 struct drm_connector *connector)
1702 {
1703 	struct drm_device *dev = encoder->dev;
1704 	struct amdgpu_device *adev = drm_to_adev(dev);
1705 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1706 	struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1707 
1708 	if (amdgpu_encoder->devices & (ATOM_DEVICE_TV_SUPPORT |
1709 				       ATOM_DEVICE_CV_SUPPORT |
1710 				       ATOM_DEVICE_CRT_SUPPORT)) {
1711 		DAC_LOAD_DETECTION_PS_ALLOCATION args;
1712 		int index = GetIndexIntoMasterTable(COMMAND, DAC_LoadDetection);
1713 		uint8_t frev, crev;
1714 
1715 		memset(&args, 0, sizeof(args));
1716 
1717 		if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
1718 			return false;
1719 
1720 		args.sDacload.ucMisc = 0;
1721 
1722 		if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_DAC1) ||
1723 		    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1))
1724 			args.sDacload.ucDacType = ATOM_DAC_A;
1725 		else
1726 			args.sDacload.ucDacType = ATOM_DAC_B;
1727 
1728 		if (amdgpu_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)
1729 			args.sDacload.usDeviceID = cpu_to_le16(ATOM_DEVICE_CRT1_SUPPORT);
1730 		else if (amdgpu_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)
1731 			args.sDacload.usDeviceID = cpu_to_le16(ATOM_DEVICE_CRT2_SUPPORT);
1732 		else if (amdgpu_connector->devices & ATOM_DEVICE_CV_SUPPORT) {
1733 			args.sDacload.usDeviceID = cpu_to_le16(ATOM_DEVICE_CV_SUPPORT);
1734 			if (crev >= 3)
1735 				args.sDacload.ucMisc = DAC_LOAD_MISC_YPrPb;
1736 		} else if (amdgpu_connector->devices & ATOM_DEVICE_TV1_SUPPORT) {
1737 			args.sDacload.usDeviceID = cpu_to_le16(ATOM_DEVICE_TV1_SUPPORT);
1738 			if (crev >= 3)
1739 				args.sDacload.ucMisc = DAC_LOAD_MISC_YPrPb;
1740 		}
1741 
1742 		amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1743 
1744 		return true;
1745 	} else
1746 		return false;
1747 }
1748 
1749 enum drm_connector_status
amdgpu_atombios_encoder_dac_detect(struct drm_encoder * encoder,struct drm_connector * connector)1750 amdgpu_atombios_encoder_dac_detect(struct drm_encoder *encoder,
1751 			    struct drm_connector *connector)
1752 {
1753 	struct drm_device *dev = encoder->dev;
1754 	struct amdgpu_device *adev = drm_to_adev(dev);
1755 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1756 	struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1757 	uint32_t bios_0_scratch;
1758 
1759 	if (!amdgpu_atombios_encoder_dac_load_detect(encoder, connector)) {
1760 		DRM_DEBUG_KMS("detect returned false \n");
1761 		return connector_status_unknown;
1762 	}
1763 
1764 	bios_0_scratch = RREG32(mmBIOS_SCRATCH_0);
1765 
1766 	DRM_DEBUG_KMS("Bios 0 scratch %x %08x\n", bios_0_scratch, amdgpu_encoder->devices);
1767 	if (amdgpu_connector->devices & ATOM_DEVICE_CRT1_SUPPORT) {
1768 		if (bios_0_scratch & ATOM_S0_CRT1_MASK)
1769 			return connector_status_connected;
1770 	}
1771 	if (amdgpu_connector->devices & ATOM_DEVICE_CRT2_SUPPORT) {
1772 		if (bios_0_scratch & ATOM_S0_CRT2_MASK)
1773 			return connector_status_connected;
1774 	}
1775 	if (amdgpu_connector->devices & ATOM_DEVICE_CV_SUPPORT) {
1776 		if (bios_0_scratch & (ATOM_S0_CV_MASK|ATOM_S0_CV_MASK_A))
1777 			return connector_status_connected;
1778 	}
1779 	if (amdgpu_connector->devices & ATOM_DEVICE_TV1_SUPPORT) {
1780 		if (bios_0_scratch & (ATOM_S0_TV1_COMPOSITE | ATOM_S0_TV1_COMPOSITE_A))
1781 			return connector_status_connected; /* CTV */
1782 		else if (bios_0_scratch & (ATOM_S0_TV1_SVIDEO | ATOM_S0_TV1_SVIDEO_A))
1783 			return connector_status_connected; /* STV */
1784 	}
1785 	return connector_status_disconnected;
1786 }
1787 
1788 enum drm_connector_status
amdgpu_atombios_encoder_dig_detect(struct drm_encoder * encoder,struct drm_connector * connector)1789 amdgpu_atombios_encoder_dig_detect(struct drm_encoder *encoder,
1790 			    struct drm_connector *connector)
1791 {
1792 	struct drm_device *dev = encoder->dev;
1793 	struct amdgpu_device *adev = drm_to_adev(dev);
1794 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1795 	struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
1796 	struct drm_encoder *ext_encoder = amdgpu_get_external_encoder(encoder);
1797 	u32 bios_0_scratch;
1798 
1799 	if (!ext_encoder)
1800 		return connector_status_unknown;
1801 
1802 	if ((amdgpu_connector->devices & ATOM_DEVICE_CRT_SUPPORT) == 0)
1803 		return connector_status_unknown;
1804 
1805 	/* load detect on the dp bridge */
1806 	amdgpu_atombios_encoder_setup_external_encoder(encoder, ext_encoder,
1807 						EXTERNAL_ENCODER_ACTION_V3_DACLOAD_DETECTION);
1808 
1809 	bios_0_scratch = RREG32(mmBIOS_SCRATCH_0);
1810 
1811 	DRM_DEBUG_KMS("Bios 0 scratch %x %08x\n", bios_0_scratch, amdgpu_encoder->devices);
1812 	if (amdgpu_connector->devices & ATOM_DEVICE_CRT1_SUPPORT) {
1813 		if (bios_0_scratch & ATOM_S0_CRT1_MASK)
1814 			return connector_status_connected;
1815 	}
1816 	if (amdgpu_connector->devices & ATOM_DEVICE_CRT2_SUPPORT) {
1817 		if (bios_0_scratch & ATOM_S0_CRT2_MASK)
1818 			return connector_status_connected;
1819 	}
1820 	if (amdgpu_connector->devices & ATOM_DEVICE_CV_SUPPORT) {
1821 		if (bios_0_scratch & (ATOM_S0_CV_MASK|ATOM_S0_CV_MASK_A))
1822 			return connector_status_connected;
1823 	}
1824 	if (amdgpu_connector->devices & ATOM_DEVICE_TV1_SUPPORT) {
1825 		if (bios_0_scratch & (ATOM_S0_TV1_COMPOSITE | ATOM_S0_TV1_COMPOSITE_A))
1826 			return connector_status_connected; /* CTV */
1827 		else if (bios_0_scratch & (ATOM_S0_TV1_SVIDEO | ATOM_S0_TV1_SVIDEO_A))
1828 			return connector_status_connected; /* STV */
1829 	}
1830 	return connector_status_disconnected;
1831 }
1832 
1833 void
amdgpu_atombios_encoder_setup_ext_encoder_ddc(struct drm_encoder * encoder)1834 amdgpu_atombios_encoder_setup_ext_encoder_ddc(struct drm_encoder *encoder)
1835 {
1836 	struct drm_encoder *ext_encoder = amdgpu_get_external_encoder(encoder);
1837 
1838 	if (ext_encoder)
1839 		/* ddc_setup on the dp bridge */
1840 		amdgpu_atombios_encoder_setup_external_encoder(encoder, ext_encoder,
1841 							EXTERNAL_ENCODER_ACTION_V3_DDC_SETUP);
1842 
1843 }
1844 
1845 void
amdgpu_atombios_encoder_set_bios_scratch_regs(struct drm_connector * connector,struct drm_encoder * encoder,bool connected)1846 amdgpu_atombios_encoder_set_bios_scratch_regs(struct drm_connector *connector,
1847 				       struct drm_encoder *encoder,
1848 				       bool connected)
1849 {
1850 	struct drm_device *dev = connector->dev;
1851 	struct amdgpu_device *adev = drm_to_adev(dev);
1852 	struct amdgpu_connector *amdgpu_connector =
1853 	    to_amdgpu_connector(connector);
1854 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1855 	uint32_t bios_0_scratch, bios_3_scratch, bios_6_scratch;
1856 
1857 	bios_0_scratch = RREG32(mmBIOS_SCRATCH_0);
1858 	bios_3_scratch = RREG32(mmBIOS_SCRATCH_3);
1859 	bios_6_scratch = RREG32(mmBIOS_SCRATCH_6);
1860 
1861 	if ((amdgpu_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
1862 	    (amdgpu_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
1863 		if (connected) {
1864 			DRM_DEBUG_KMS("LCD1 connected\n");
1865 			bios_0_scratch |= ATOM_S0_LCD1;
1866 			bios_3_scratch |= ATOM_S3_LCD1_ACTIVE;
1867 			bios_6_scratch |= ATOM_S6_ACC_REQ_LCD1;
1868 		} else {
1869 			DRM_DEBUG_KMS("LCD1 disconnected\n");
1870 			bios_0_scratch &= ~ATOM_S0_LCD1;
1871 			bios_3_scratch &= ~ATOM_S3_LCD1_ACTIVE;
1872 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_LCD1;
1873 		}
1874 	}
1875 	if ((amdgpu_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
1876 	    (amdgpu_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
1877 		if (connected) {
1878 			DRM_DEBUG_KMS("CRT1 connected\n");
1879 			bios_0_scratch |= ATOM_S0_CRT1_COLOR;
1880 			bios_3_scratch |= ATOM_S3_CRT1_ACTIVE;
1881 			bios_6_scratch |= ATOM_S6_ACC_REQ_CRT1;
1882 		} else {
1883 			DRM_DEBUG_KMS("CRT1 disconnected\n");
1884 			bios_0_scratch &= ~ATOM_S0_CRT1_MASK;
1885 			bios_3_scratch &= ~ATOM_S3_CRT1_ACTIVE;
1886 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_CRT1;
1887 		}
1888 	}
1889 	if ((amdgpu_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
1890 	    (amdgpu_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
1891 		if (connected) {
1892 			DRM_DEBUG_KMS("CRT2 connected\n");
1893 			bios_0_scratch |= ATOM_S0_CRT2_COLOR;
1894 			bios_3_scratch |= ATOM_S3_CRT2_ACTIVE;
1895 			bios_6_scratch |= ATOM_S6_ACC_REQ_CRT2;
1896 		} else {
1897 			DRM_DEBUG_KMS("CRT2 disconnected\n");
1898 			bios_0_scratch &= ~ATOM_S0_CRT2_MASK;
1899 			bios_3_scratch &= ~ATOM_S3_CRT2_ACTIVE;
1900 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_CRT2;
1901 		}
1902 	}
1903 	if ((amdgpu_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
1904 	    (amdgpu_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
1905 		if (connected) {
1906 			DRM_DEBUG_KMS("DFP1 connected\n");
1907 			bios_0_scratch |= ATOM_S0_DFP1;
1908 			bios_3_scratch |= ATOM_S3_DFP1_ACTIVE;
1909 			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP1;
1910 		} else {
1911 			DRM_DEBUG_KMS("DFP1 disconnected\n");
1912 			bios_0_scratch &= ~ATOM_S0_DFP1;
1913 			bios_3_scratch &= ~ATOM_S3_DFP1_ACTIVE;
1914 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP1;
1915 		}
1916 	}
1917 	if ((amdgpu_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
1918 	    (amdgpu_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
1919 		if (connected) {
1920 			DRM_DEBUG_KMS("DFP2 connected\n");
1921 			bios_0_scratch |= ATOM_S0_DFP2;
1922 			bios_3_scratch |= ATOM_S3_DFP2_ACTIVE;
1923 			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP2;
1924 		} else {
1925 			DRM_DEBUG_KMS("DFP2 disconnected\n");
1926 			bios_0_scratch &= ~ATOM_S0_DFP2;
1927 			bios_3_scratch &= ~ATOM_S3_DFP2_ACTIVE;
1928 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP2;
1929 		}
1930 	}
1931 	if ((amdgpu_encoder->devices & ATOM_DEVICE_DFP3_SUPPORT) &&
1932 	    (amdgpu_connector->devices & ATOM_DEVICE_DFP3_SUPPORT)) {
1933 		if (connected) {
1934 			DRM_DEBUG_KMS("DFP3 connected\n");
1935 			bios_0_scratch |= ATOM_S0_DFP3;
1936 			bios_3_scratch |= ATOM_S3_DFP3_ACTIVE;
1937 			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP3;
1938 		} else {
1939 			DRM_DEBUG_KMS("DFP3 disconnected\n");
1940 			bios_0_scratch &= ~ATOM_S0_DFP3;
1941 			bios_3_scratch &= ~ATOM_S3_DFP3_ACTIVE;
1942 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP3;
1943 		}
1944 	}
1945 	if ((amdgpu_encoder->devices & ATOM_DEVICE_DFP4_SUPPORT) &&
1946 	    (amdgpu_connector->devices & ATOM_DEVICE_DFP4_SUPPORT)) {
1947 		if (connected) {
1948 			DRM_DEBUG_KMS("DFP4 connected\n");
1949 			bios_0_scratch |= ATOM_S0_DFP4;
1950 			bios_3_scratch |= ATOM_S3_DFP4_ACTIVE;
1951 			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP4;
1952 		} else {
1953 			DRM_DEBUG_KMS("DFP4 disconnected\n");
1954 			bios_0_scratch &= ~ATOM_S0_DFP4;
1955 			bios_3_scratch &= ~ATOM_S3_DFP4_ACTIVE;
1956 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP4;
1957 		}
1958 	}
1959 	if ((amdgpu_encoder->devices & ATOM_DEVICE_DFP5_SUPPORT) &&
1960 	    (amdgpu_connector->devices & ATOM_DEVICE_DFP5_SUPPORT)) {
1961 		if (connected) {
1962 			DRM_DEBUG_KMS("DFP5 connected\n");
1963 			bios_0_scratch |= ATOM_S0_DFP5;
1964 			bios_3_scratch |= ATOM_S3_DFP5_ACTIVE;
1965 			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP5;
1966 		} else {
1967 			DRM_DEBUG_KMS("DFP5 disconnected\n");
1968 			bios_0_scratch &= ~ATOM_S0_DFP5;
1969 			bios_3_scratch &= ~ATOM_S3_DFP5_ACTIVE;
1970 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP5;
1971 		}
1972 	}
1973 	if ((amdgpu_encoder->devices & ATOM_DEVICE_DFP6_SUPPORT) &&
1974 	    (amdgpu_connector->devices & ATOM_DEVICE_DFP6_SUPPORT)) {
1975 		if (connected) {
1976 			DRM_DEBUG_KMS("DFP6 connected\n");
1977 			bios_0_scratch |= ATOM_S0_DFP6;
1978 			bios_3_scratch |= ATOM_S3_DFP6_ACTIVE;
1979 			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP6;
1980 		} else {
1981 			DRM_DEBUG_KMS("DFP6 disconnected\n");
1982 			bios_0_scratch &= ~ATOM_S0_DFP6;
1983 			bios_3_scratch &= ~ATOM_S3_DFP6_ACTIVE;
1984 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP6;
1985 		}
1986 	}
1987 
1988 	WREG32(mmBIOS_SCRATCH_0, bios_0_scratch);
1989 	WREG32(mmBIOS_SCRATCH_3, bios_3_scratch);
1990 	WREG32(mmBIOS_SCRATCH_6, bios_6_scratch);
1991 }
1992 
1993 union lvds_info {
1994 	struct _ATOM_LVDS_INFO info;
1995 	struct _ATOM_LVDS_INFO_V12 info_12;
1996 };
1997 
1998 struct amdgpu_encoder_atom_dig *
amdgpu_atombios_encoder_get_lcd_info(struct amdgpu_encoder * encoder)1999 amdgpu_atombios_encoder_get_lcd_info(struct amdgpu_encoder *encoder)
2000 {
2001 	struct drm_device *dev = encoder->base.dev;
2002 	struct amdgpu_device *adev = drm_to_adev(dev);
2003 	struct amdgpu_mode_info *mode_info = &adev->mode_info;
2004 	int index = GetIndexIntoMasterTable(DATA, LVDS_Info);
2005 	uint16_t data_offset, misc;
2006 	union lvds_info *lvds_info;
2007 	uint8_t frev, crev;
2008 	struct amdgpu_encoder_atom_dig *lvds = NULL;
2009 	int encoder_enum = (encoder->encoder_enum & ENUM_ID_MASK) >> ENUM_ID_SHIFT;
2010 
2011 	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
2012 				   &frev, &crev, &data_offset)) {
2013 		lvds_info =
2014 			(union lvds_info *)(mode_info->atom_context->bios + data_offset);
2015 		lvds =
2016 		    kzalloc(sizeof(struct amdgpu_encoder_atom_dig), GFP_KERNEL);
2017 
2018 		if (!lvds)
2019 			return NULL;
2020 
2021 		lvds->native_mode.clock =
2022 		    le16_to_cpu(lvds_info->info.sLCDTiming.usPixClk) * 10;
2023 		lvds->native_mode.hdisplay =
2024 		    le16_to_cpu(lvds_info->info.sLCDTiming.usHActive);
2025 		lvds->native_mode.vdisplay =
2026 		    le16_to_cpu(lvds_info->info.sLCDTiming.usVActive);
2027 		lvds->native_mode.htotal = lvds->native_mode.hdisplay +
2028 			le16_to_cpu(lvds_info->info.sLCDTiming.usHBlanking_Time);
2029 		lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
2030 			le16_to_cpu(lvds_info->info.sLCDTiming.usHSyncOffset);
2031 		lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
2032 			le16_to_cpu(lvds_info->info.sLCDTiming.usHSyncWidth);
2033 		lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
2034 			le16_to_cpu(lvds_info->info.sLCDTiming.usVBlanking_Time);
2035 		lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
2036 			le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncOffset);
2037 		lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
2038 			le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncWidth);
2039 		lvds->panel_pwr_delay =
2040 		    le16_to_cpu(lvds_info->info.usOffDelayInMs);
2041 		lvds->lcd_misc = lvds_info->info.ucLVDS_Misc;
2042 
2043 		misc = le16_to_cpu(lvds_info->info.sLCDTiming.susModeMiscInfo.usAccess);
2044 		if (misc & ATOM_VSYNC_POLARITY)
2045 			lvds->native_mode.flags |= DRM_MODE_FLAG_NVSYNC;
2046 		if (misc & ATOM_HSYNC_POLARITY)
2047 			lvds->native_mode.flags |= DRM_MODE_FLAG_NHSYNC;
2048 		if (misc & ATOM_COMPOSITESYNC)
2049 			lvds->native_mode.flags |= DRM_MODE_FLAG_CSYNC;
2050 		if (misc & ATOM_INTERLACE)
2051 			lvds->native_mode.flags |= DRM_MODE_FLAG_INTERLACE;
2052 		if (misc & ATOM_DOUBLE_CLOCK_MODE)
2053 			lvds->native_mode.flags |= DRM_MODE_FLAG_DBLSCAN;
2054 
2055 		lvds->native_mode.width_mm = le16_to_cpu(lvds_info->info.sLCDTiming.usImageHSize);
2056 		lvds->native_mode.height_mm = le16_to_cpu(lvds_info->info.sLCDTiming.usImageVSize);
2057 
2058 		/* set crtc values */
2059 		drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
2060 
2061 		lvds->lcd_ss_id = lvds_info->info.ucSS_Id;
2062 
2063 		encoder->native_mode = lvds->native_mode;
2064 
2065 		if (encoder_enum == 2)
2066 			lvds->linkb = true;
2067 		else
2068 			lvds->linkb = false;
2069 
2070 		/* parse the lcd record table */
2071 		if (le16_to_cpu(lvds_info->info.usModePatchTableOffset)) {
2072 			ATOM_FAKE_EDID_PATCH_RECORD *fake_edid_record;
2073 			ATOM_PANEL_RESOLUTION_PATCH_RECORD *panel_res_record;
2074 			bool bad_record = false;
2075 			u8 *record;
2076 
2077 			if ((frev == 1) && (crev < 2))
2078 				/* absolute */
2079 				record = (u8 *)(mode_info->atom_context->bios +
2080 						le16_to_cpu(lvds_info->info.usModePatchTableOffset));
2081 			else
2082 				/* relative */
2083 				record = (u8 *)(mode_info->atom_context->bios +
2084 						data_offset +
2085 						le16_to_cpu(lvds_info->info.usModePatchTableOffset));
2086 			while (*record != ATOM_RECORD_END_TYPE) {
2087 				switch (*record) {
2088 				case LCD_MODE_PATCH_RECORD_MODE_TYPE:
2089 					record += sizeof(ATOM_PATCH_RECORD_MODE);
2090 					break;
2091 				case LCD_RTS_RECORD_TYPE:
2092 					record += sizeof(ATOM_LCD_RTS_RECORD);
2093 					break;
2094 				case LCD_CAP_RECORD_TYPE:
2095 					record += sizeof(ATOM_LCD_MODE_CONTROL_CAP);
2096 					break;
2097 				case LCD_FAKE_EDID_PATCH_RECORD_TYPE:
2098 					fake_edid_record = (ATOM_FAKE_EDID_PATCH_RECORD *)record;
2099 					if (fake_edid_record->ucFakeEDIDLength) {
2100 						struct edid *edid;
2101 						int edid_size =
2102 							max((int)EDID_LENGTH, (int)fake_edid_record->ucFakeEDIDLength);
2103 						edid = kmalloc(edid_size, GFP_KERNEL);
2104 						if (edid) {
2105 							memcpy((u8 *)edid, (u8 *)&fake_edid_record->ucFakeEDIDString[0],
2106 							       fake_edid_record->ucFakeEDIDLength);
2107 
2108 							if (drm_edid_is_valid(edid)) {
2109 								adev->mode_info.bios_hardcoded_edid = edid;
2110 								adev->mode_info.bios_hardcoded_edid_size = edid_size;
2111 							} else
2112 								kfree(edid);
2113 						}
2114 					}
2115 					record += fake_edid_record->ucFakeEDIDLength ?
2116 						fake_edid_record->ucFakeEDIDLength + 2 :
2117 						sizeof(ATOM_FAKE_EDID_PATCH_RECORD);
2118 					break;
2119 				case LCD_PANEL_RESOLUTION_RECORD_TYPE:
2120 					panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record;
2121 					lvds->native_mode.width_mm = panel_res_record->usHSize;
2122 					lvds->native_mode.height_mm = panel_res_record->usVSize;
2123 					record += sizeof(ATOM_PANEL_RESOLUTION_PATCH_RECORD);
2124 					break;
2125 				default:
2126 					DRM_ERROR("Bad LCD record %d\n", *record);
2127 					bad_record = true;
2128 					break;
2129 				}
2130 				if (bad_record)
2131 					break;
2132 			}
2133 		}
2134 	}
2135 	return lvds;
2136 }
2137 
2138 struct amdgpu_encoder_atom_dig *
amdgpu_atombios_encoder_get_dig_info(struct amdgpu_encoder * amdgpu_encoder)2139 amdgpu_atombios_encoder_get_dig_info(struct amdgpu_encoder *amdgpu_encoder)
2140 {
2141 	int encoder_enum = (amdgpu_encoder->encoder_enum & ENUM_ID_MASK) >> ENUM_ID_SHIFT;
2142 	struct amdgpu_encoder_atom_dig *dig = kzalloc(sizeof(struct amdgpu_encoder_atom_dig), GFP_KERNEL);
2143 
2144 	if (!dig)
2145 		return NULL;
2146 
2147 	/* coherent mode by default */
2148 	dig->coherent_mode = true;
2149 	dig->dig_encoder = -1;
2150 
2151 	if (encoder_enum == 2)
2152 		dig->linkb = true;
2153 	else
2154 		dig->linkb = false;
2155 
2156 	return dig;
2157 }
2158 
2159