5  * Copyright 2007-2009 Stuart Bennett
43 	struct dcb_output *dcb = nouveau_encoder(encoder)->dcb;  in nv04_dac_output_offset()
46 	if (dcb->or & (8 | DCB_OUTPUT_C))  in nv04_dac_output_offset()
48 	if (dcb->or & (8 | DCB_OUTPUT_B))  in nv04_dac_output_offset()
55  * arbitrary limit to number of sense oscillations tolerated in one sample
66 static int sample_load_twice(struct drm_device *dev, bool sense[2])  in sample_load_twice()
69 	struct nvif_object *device = &drm->client.device.object;  in sample_load_twice()
77 		 * wait for bit 0 clear -- out of hblank -- (say reg value 0x4),  in sample_load_twice()
78 		 * then wait for transition 0x4->0x5->0x4: enter hblank, leave  in sample_load_twice()
83 		if (nvif_msec(&drm->client.device, 10,  in sample_load_twice()
87 			return -EBUSY;  in sample_load_twice()
89 		if (nvif_msec(&drm->client.device, 10,  in sample_load_twice()
93 			return -EBUSY;  in sample_load_twice()
95 		if (nvif_msec(&drm->client.device, 10,  in sample_load_twice()
99 			return -EBUSY;  in sample_load_twice()
102 		/* when level triggers, sense is _LO_ */  in sample_load_twice()
116 					/* force mis-match so we loop */  in sample_load_twice()
123 			/* with so much oscillation, default to sense:LO */  in sample_load_twice()
124 			sense[i] = false;  in sample_load_twice()
126 			sense[i] = sense_a;  in sample_load_twice()
135 	struct drm_device *dev = encoder->dev;  in nv04_dac_detect()
136 	struct nvif_object *device = &nouveau_drm(dev)->client.device.object;  in nv04_dac_detect()
143 	bool sense = true;  in nv04_dac_detect()  local
146 	 * for this detection to work, there needs to be a mode set up on the  in nv04_dac_detect()
205 			sense = false;  in nv04_dac_detect()
207 			sense = sense_pair[0];  in nv04_dac_detect()
210 	 * if sense goes LO before blue ramps to 0x18, monitor is not connected.  in nv04_dac_detect()
213 	} while (++blue < 0x18 && sense);  in nv04_dac_detect()
237 	struct drm_device *dev = encoder->dev;  in nv17_dac_sample_load()
239 	struct nvif_object *device = &nouveau_drm(dev)->client.device.object;  in nv17_dac_sample_load()
240 	struct nvkm_gpio *gpio = nvxx_gpio(&drm->client.device);  in nv17_dac_sample_load()
241 	struct dcb_output *dcb = nouveau_encoder(encoder)->dcb;  in nv17_dac_sample_load()
248 	if (dcb->type == DCB_OUTPUT_TV) {  in nv17_dac_sample_load()
251 		if (drm->vbios.tvdactestval)  in nv17_dac_sample_load()
252 			testval = drm->vbios.tvdactestval;  in nv17_dac_sample_load()
256 		if (drm->vbios.dactestval)  in nv17_dac_sample_load()
257 			testval = drm->vbios.dactestval;  in nv17_dac_sample_load()
275 		nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, dcb->type == DCB_OUTPUT_TV);  in nv17_dac_sample_load()
276 		nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, dcb->type == DCB_OUTPUT_TV);  in nv17_dac_sample_load()
291 	if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_CURIE) {  in nv17_dac_sample_load()
292 		if (dcb->type == DCB_OUTPUT_TV)  in nv17_dac_sample_load()
338 	struct nouveau_drm *drm = nouveau_drm(encoder->dev);  in nv17_dac_detect()
339 	struct dcb_output *dcb = nouveau_encoder(encoder)->dcb;  in nv17_dac_detect()
347 			 '@' + ffs(dcb->or));  in nv17_dac_detect()
355 				const struct drm_display_mode *mode,  in nv04_dac_mode_fixup()  argument
366 	const struct drm_encoder_helper_funcs *helper = encoder->helper_private;  in nv04_dac_prepare()
367 	struct drm_device *dev = encoder->dev;  in nv04_dac_prepare()
368 	int head = nouveau_crtc(encoder->crtc)->index;  in nv04_dac_prepare()
370 	helper->dpms(encoder, DRM_MODE_DPMS_OFF);  in nv04_dac_prepare()
376 			      struct drm_display_mode *mode,  in nv04_dac_mode_set()  argument
379 	struct drm_device *dev = encoder->dev;  in nv04_dac_mode_set()
381 	int head = nouveau_crtc(encoder->crtc)->index;  in nv04_dac_mode_set()
388 		/* bit 16-19 are bits that are set on some G70 cards,  in nv04_dac_mode_set()
393 		list_for_each_entry(rebind, &dev->mode_config.encoder_list, head) {  in nv04_dac_mode_set()
395 			    || nouveau_encoder(rebind)->dcb->type != DCB_OUTPUT_ANALOG)  in nv04_dac_mode_set()
406 	if (drm->client.device.info.chipset < 0x44)  in nv04_dac_mode_set()
415 	struct nouveau_drm *drm = nouveau_drm(encoder->dev);  in nv04_dac_commit()
416 	struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);  in nv04_dac_commit()
417 	const struct drm_encoder_helper_funcs *helper = encoder->helper_private;  in nv04_dac_commit()
419 	helper->dpms(encoder, DRM_MODE_DPMS_ON);  in nv04_dac_commit()
422 		 nv04_encoder_get_connector(nv_encoder)->base.name,  in nv04_dac_commit()
423 		 nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));  in nv04_dac_commit()
428 	struct drm_device *dev = encoder->dev;  in nv04_dac_update_dacclk()
429 	struct dcb_output *dcb = nouveau_encoder(encoder)->dcb;  in nv04_dac_update_dacclk()
432 		uint32_t *dac_users = &nv04_display(dev)->dac_users[ffs(dcb->or) - 1];  in nv04_dac_update_dacclk()
437 			*dac_users |= 1 << dcb->index;  in nv04_dac_update_dacclk()
441 			*dac_users &= ~(1 << dcb->index);  in nv04_dac_update_dacclk()
453 	struct drm_device *dev = encoder->dev;  in nv04_dac_in_use()
454 	struct dcb_output *dcb = nouveau_encoder(encoder)->dcb;  in nv04_dac_in_use()
456 	return nv_gf4_disp_arch(encoder->dev) &&  in nv04_dac_in_use()
457 		(nv04_display(dev)->dac_users[ffs(dcb->or) - 1] & ~(1 << dcb->index));  in nv04_dac_in_use()
460 static void nv04_dac_dpms(struct drm_encoder *encoder, int mode)  in nv04_dac_dpms()  argument
463 	struct nouveau_drm *drm = nouveau_drm(encoder->dev);  in nv04_dac_dpms()
465 	if (nv_encoder->last_dpms == mode)  in nv04_dac_dpms()
467 	nv_encoder->last_dpms = mode;  in nv04_dac_dpms()
469 	NV_DEBUG(drm, "Setting dpms mode %d on vga encoder (output %d)\n",  in nv04_dac_dpms()
470 		 mode, nv_encoder->dcb->index);  in nv04_dac_dpms()
472 	nv04_dac_update_dacclk(encoder, mode == DRM_MODE_DPMS_ON);  in nv04_dac_dpms()
478 	struct drm_device *dev = encoder->dev;  in nv04_dac_save()
481 		nv_encoder->restore.output = NVReadRAMDAC(dev, 0, NV_PRAMDAC_DACCLK +  in nv04_dac_save()
488 	struct drm_device *dev = encoder->dev;  in nv04_dac_restore()
492 			      nv_encoder->restore.output);  in nv04_dac_restore()
494 	nv_encoder->last_dpms = NV_DPMS_CLEARED;  in nv04_dac_restore()
532 	struct drm_device *dev = connector->dev;  in nv04_dac_create()
537 		return -ENOMEM;  in nv04_dac_create()
541 	nv_encoder->dcb = entry;  in nv04_dac_create()
542 	nv_encoder->or = ffs(entry->or) - 1;  in nv04_dac_create()
544 	nv_encoder->enc_save = nv04_dac_save;  in nv04_dac_create()
545 	nv_encoder->enc_restore = nv04_dac_restore;  in nv04_dac_create()
556 	encoder->possible_crtcs = entry->heads;  in nv04_dac_create()
557 	encoder->possible_clones = 0;  in nv04_dac_create()