C++ (Cpp) acpi_evaluate_dsm_typed Examples

Example #1

File: intel_acpi.c Project: kusumi/DragonFlyBSD

static void intel_dsm_platform_mux_info(void)
{
	int i;
	union acpi_object *pkg, *connector_count;

	pkg = acpi_evaluate_dsm_typed(intel_dsm_priv.dhandle, intel_dsm_guid,
			INTEL_DSM_REVISION_ID, INTEL_DSM_FN_PLATFORM_MUX_INFO,
			NULL, ACPI_TYPE_PACKAGE);
	if (!pkg) {
		DRM_DEBUG_DRIVER("failed to evaluate _DSM\n");
		return;
	}

	connector_count = &pkg->package.elements[0];
	DRM_DEBUG_DRIVER("MUX info connectors: %lld\n",
		  (unsigned long long)connector_count->integer.value);
	for (i = 1; i < pkg->package.count; i++) {
		union acpi_object *obj = &pkg->package.elements[i];
		union acpi_object *connector_id = &obj->package.elements[0];
		union acpi_object *info = &obj->package.elements[1];
		DRM_DEBUG_DRIVER("Connector id: 0x%016llx\n",
			  (unsigned long long)connector_id->integer.value);
		DRM_DEBUG_DRIVER("  port id: %s\n",
		       intel_dsm_port_name(info->buffer.pointer[0]));
		DRM_DEBUG_DRIVER("  display mux info: %s\n",
		       intel_dsm_mux_type(info->buffer.pointer[1]));
		DRM_DEBUG_DRIVER("  aux/dc mux info: %s\n",
		       intel_dsm_mux_type(info->buffer.pointer[2]));
		DRM_DEBUG_DRIVER("  hpd mux info: %s\n",
		       intel_dsm_mux_type(info->buffer.pointer[3]));
	}

	ACPI_FREE(pkg);
}

Example #2

File: tpm_ppi.c Project: 0-T-0/ps4-linux

static inline union acpi_object *
tpm_eval_dsm(acpi_handle ppi_handle, int func, acpi_object_type type,
	     union acpi_object *argv4)
{
	BUG_ON(!ppi_handle);
	return acpi_evaluate_dsm_typed(ppi_handle, tpm_ppi_uuid,
				       TPM_PPI_REVISION_ID,
				       func, argv4, type);
}

Example #3

File: intel-hid.c Project: Lyude/linux

static void intel_hid_init_dsm(acpi_handle handle)
{
	union acpi_object *obj;

	guid_parse(HID_EVENT_FILTER_UUID, &intel_dsm_guid);

	obj = acpi_evaluate_dsm_typed(handle, &intel_dsm_guid, 1, 0, NULL,
				      ACPI_TYPE_BUFFER);
	if (obj) {
		intel_hid_dsm_fn_mask = *obj->buffer.pointer;
		ACPI_FREE(obj);
	}

	acpi_handle_debug(handle, "intel_hid_dsm_fn_mask = %llx\n",
			  intel_hid_dsm_fn_mask);
}

Example #4

File: tpm_ppi.c Project: 0-T-0/ps4-linux

void tpm_add_ppi(struct tpm_chip *chip)
{
	union acpi_object *obj;

	if (!chip->acpi_dev_handle)
		return;

	if (!acpi_check_dsm(chip->acpi_dev_handle, tpm_ppi_uuid,
			    TPM_PPI_REVISION_ID, 1 << TPM_PPI_FN_VERSION))
		return;

	/* Cache PPI version string. */
	obj = acpi_evaluate_dsm_typed(chip->acpi_dev_handle, tpm_ppi_uuid,
				      TPM_PPI_REVISION_ID, TPM_PPI_FN_VERSION,
				      NULL, ACPI_TYPE_STRING);
	if (obj) {
		strlcpy(chip->ppi_version, obj->string.pointer,
			sizeof(chip->ppi_version));
		ACPI_FREE(obj);
	}

	chip->groups[chip->groups_cnt++] = &ppi_attr_grp;
}

Example #5

File: intel-hid.c Project: Lyude/linux

static bool intel_hid_evaluate_method(acpi_handle handle,
				      enum intel_hid_dsm_fn_codes fn_index,
				      unsigned long long *result)
{
	union acpi_object *obj;
	acpi_status status;
	char *method_name;

	if (fn_index <= INTEL_HID_DSM_FN_INVALID ||
	    fn_index >= INTEL_HID_DSM_FN_MAX)
		return false;

	method_name = (char *)intel_hid_dsm_fn_to_method[fn_index];

	if (!(intel_hid_dsm_fn_mask & fn_index))
		goto skip_dsm_eval;

	obj = acpi_evaluate_dsm_typed(handle, &intel_dsm_guid,
				      1, fn_index,
				      NULL,  ACPI_TYPE_INTEGER);
	if (obj) {
		*result = obj->integer.value;
		acpi_handle_debug(handle,
				  "Eval DSM Fn code: %d[%s] results: 0x%llx\n",
				  fn_index, method_name, *result);
		ACPI_FREE(obj);
		return true;
	}

skip_dsm_eval:
	status = acpi_evaluate_integer(handle, method_name, NULL, result);
	if (ACPI_SUCCESS(status))
		return true;

	return false;
}