i915/display/intel_opregion.c

132 	u64 rvda;	/* Physical (2.0) or relative from opregion (2.1+)
255 	struct opregion_swsci *swsci = i915->display.opregion.swsci;
268 		if ((i915->display.opregion.swsci_sbcb_sub_functions &
272 		if ((i915->display.opregion.swsci_gbda_sub_functions &
283 	struct opregion_swsci *swsci = dev_priv->display.opregion.swsci;
465 	struct opregion_asle *asle = dev_priv->display.opregion.asle;
472 			    "opregion backlight request ignored\n");
490 	drm_dbg_kms(&dev_priv->drm, "updating opregion backlight %d/255\n",
587 	struct intel_opregion *opregion =
590 		container_of(opregion, struct drm_i915_private, display.opregion);
591 	struct opregion_asle *asle = dev_priv->display.opregion.asle;
639 	if (dev_priv->display.opregion.asle)
641 			   &dev_priv->display.opregion.asle_work);
651  * The only video events relevant to opregion are 0x80. These indicate either a
658 	struct intel_opregion *opregion = container_of(nb, struct intel_opregion,
667 	acpi = opregion->acpi;
678  * Initialise the DIDL field in opregion. This passes a list of devices to
683 static void set_did(struct intel_opregion *opregion, int i, u32 val)
685 	if (i < ARRAY_SIZE(opregion->acpi->didl)) {
686 		opregion->acpi->didl[i] = val;
688 		i -= ARRAY_SIZE(opregion->acpi->didl);
690 		if (WARN_ON(i >= ARRAY_SIZE(opregion->acpi->did2)))
693 		opregion->acpi->did2[i] = val;
699 	struct intel_opregion *opregion = &dev_priv->display.opregion;
705 	 * In theory, did2, the extended didl, gets added at opregion version
711 	max_outputs = ARRAY_SIZE(opregion->acpi->didl) +
712 		ARRAY_SIZE(opregion->acpi->did2);
719 			set_did(opregion, i, connector->acpi_device_id);
733 		set_did(opregion, i, 0);
738 	struct intel_opregion *opregion = &dev_priv->display.opregion;
755 		if (i >= ARRAY_SIZE(opregion->acpi->cadl))
757 		opregion->acpi->cadl[i++] = connector->acpi_device_id;
762 	if (i < ARRAY_SIZE(opregion->acpi->cadl))
763 		opregion->acpi->cadl[i] = 0;
770 	struct intel_opregion *opregion = &dev_priv->display.opregion;
775 	opregion->swsci_gbda_sub_functions = 1;
776 	opregion->swsci_sbcb_sub_functions = 1;
782 		opregion->swsci_gbda_sub_functions |= tmp;
792 		opregion->swsci_sbcb_sub_functions |= tmp;
809 			u32 req = opregion->swsci_sbcb_sub_functions;
815 			/* opregion->swsci_sbcb_sub_functions &= tmp; */
817 			opregion->swsci_sbcb_sub_functions |= tmp;
823 		opregion->swsci_gbda_sub_functions,
824 		opregion->swsci_sbcb_sub_functions);
848 	struct intel_opregion *opregion = &dev_priv->display.opregion;
869 		opregion->vbt_firmware = kmemdup(fw->data, fw->size, GFP_KERNEL);
870 		if (opregion->vbt_firmware) {
873 			opregion->vbt = opregion->vbt_firmware;
874 			opregion->vbt_size = fw->size;
892 	struct intel_opregion *opregion = &dev_priv->display.opregion;
908 	drm_dbg(&dev_priv->drm, "graphic opregion physical addr: 0x%x\n",
915 	INIT_WORK(&opregion->asle_work, asle_work);
931 		drm_dbg(&dev_priv->drm, "opregion signature mismatch\n");
935 	opregion->header = base;
936 	opregion->lid_state = base + ACPI_CLID;
939 		opregion->header->over.major,
940 		opregion->header->over.minor,
941 		opregion->header->over.revision);
943 	mboxes = opregion->header->mboxes;
946 		opregion->acpi = base + OPREGION_ACPI_OFFSET;
953 		opregion->acpi->chpd = 1;
957 		u8 major = opregion->header->over.major;
960 			drm_err(&dev_priv->drm, "SWSCI Mailbox #2 present for opregion v3.x, ignoring\n");
963 				drm_dbg(&dev_priv->drm, "SWSCI Mailbox #2 present for opregion v2.x\n");
965 			opregion->swsci = base + OPREGION_SWSCI_OFFSET;
972 		opregion->asle = base + OPREGION_ASLE_OFFSET;
974 		opregion->asle->ardy = ASLE_ARDY_NOT_READY;
979 		opregion->asle_ext = base + OPREGION_ASLE_EXT_OFFSET;
992 	if (opregion->header->over.major >= 2 && opregion->asle &&
993 	    opregion->asle->rvda && opregion->asle->rvds) {
994 		resource_size_t rvda = opregion->asle->rvda;
997 		 * opregion 2.0: rvda is the physical VBT address.
999 		 * opregion 2.1+: rvda is unsigned, relative offset from
1000 		 * opregion base, and should never point within opregion.
1002 		if (opregion->header->over.major > 2 ||
1003 		    opregion->header->over.minor >= 1) {
1010 		opregion->rvda = memremap(rvda, opregion->asle->rvds,
1013 		if (bus_space_map(dev_priv->bst, rvda, opregion->asle->rvds,
1016 		opregion->rvda = bus_space_vaddr(dev_priv->bst,
1018 		dev_priv->opregion_rvda_size = opregion->asle->rvds;
1021 		vbt = opregion->rvda;
1022 		vbt_size = opregion->asle->rvds;
1026 			opregion->vbt = vbt;
1027 			opregion->vbt_size = vbt_size;
1033 			memunmap(opregion->rvda);
1038 			opregion->rvda = NULL;
1056 		opregion->vbt = vbt;
1057 		opregion->vbt_size = vbt_size;
1144 	struct intel_opregion *opregion = &i915->display.opregion;
1149 	if (!opregion->asle_ext)
1152 	edid = opregion->asle_ext->bddc;
1155 	len = (opregion->asle_ext->phed & ASLE_PHED_EDID_VALID_MASK) * 128;
1172 	struct intel_opregion *opregion = &i915->display.opregion;
1173 	struct opregion_header *header = opregion->header;
1179 	return opregion->header->pcon & PCON_HEADLESS_SKU;
1184 	struct intel_opregion *opregion = &i915->display.opregion;
1186 	if (!opregion->header)
1189 	if (opregion->acpi) {
1191 		opregion->acpi_notifier.notifier_call =
1193 		register_acpi_notifier(&opregion->acpi_notifier);
1202 	struct intel_opregion *opregion = &i915->display.opregion;
1204 	if (opregion->acpi) {
1215 		opregion->acpi->csts = 0;
1216 		opregion->acpi->drdy = 1;
1219 	if (opregion->asle) {
1220 		opregion->asle->tche = ASLE_TCHE_BLC_EN;
1221 		opregion->asle->ardy = ASLE_ARDY_READY;
1230 	struct intel_opregion *opregion = &i915->display.opregion;
1232 	if (!opregion->header)
1243 	struct intel_opregion *opregion = &i915->display.opregion;
1245 	if (opregion->asle)
1246 		opregion->asle->ardy = ASLE_ARDY_NOT_READY;
1248 	cancel_work_sync(&i915->display.opregion.asle_work);
1250 	if (opregion->acpi)
1251 		opregion->acpi->drdy = 0;
1256 	struct intel_opregion *opregion = &i915->display.opregion;
1258 	if (!opregion->header)
1269 	struct intel_opregion *opregion = &i915->display.opregion;
1273 	if (!opregion->header)
1276 	if (opregion->acpi_notifier.notifier_call) {
1277 		unregister_acpi_notifier(&opregion->acpi_notifier);
1278 		opregion->acpi_notifier.notifier_call = NULL;
1284 	struct intel_opregion *opregion = &i915->display.opregion;
1286 	if (!opregion->header)
1289 	/* just clear all opregion memory pointers now */
1291 	memunmap(opregion->header);
1292 	if (opregion->rvda) {
1293 		memunmap(opregion->rvda);
1294 		opregion->rvda = NULL;
1298 	if (opregion->rvda) {
1301 		opregion->rvda = NULL;
1304 	if (opregion->vbt_firmware) {
1305 		kfree(opregion->vbt_firmware);
1306 		opregion->vbt_firmware = NULL;
1308 	opregion->header = NULL;
1309 	opregion->acpi = NULL;
1310 	opregion->swsci = NULL;
1311 	opregion->asle = NULL;
1312 	opregion->asle_ext = NULL;
1313 	opregion->vbt = NULL;
1314 	opregion->lid_state = NULL;