88 static union acpi_object *amdgpu_atif_call(struct amdgpu_atif *atif,  in amdgpu_atif_call()  argument
113 	status = acpi_evaluate_object(atif->handle, NULL, &atif_arg,  in amdgpu_atif_call()
185 static int amdgpu_atif_verify_interface(struct amdgpu_atif *atif)  in amdgpu_atif_verify_interface()  argument
192 	info = amdgpu_atif_call(atif, ATIF_FUNCTION_VERIFY_INTERFACE, NULL);  in amdgpu_atif_verify_interface()
211 	amdgpu_atif_parse_notification(&atif->notifications, output.notification_mask);  in amdgpu_atif_verify_interface()
212 	amdgpu_atif_parse_functions(&atif->functions, output.function_bits);  in amdgpu_atif_verify_interface()
260 static int amdgpu_atif_get_notification_params(struct amdgpu_atif *atif)  in amdgpu_atif_get_notification_params()  argument
263 	struct amdgpu_atif_notification_cfg *n = &atif->notification_cfg;  in amdgpu_atif_get_notification_params()
268 	info = amdgpu_atif_call(atif, ATIF_FUNCTION_GET_SYSTEM_PARAMETERS,  in amdgpu_atif_get_notification_params()
323 static int amdgpu_atif_get_sbios_requests(struct amdgpu_atif *atif,  in amdgpu_atif_get_sbios_requests()  argument
330 	info = amdgpu_atif_call(atif, ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS,  in amdgpu_atif_get_sbios_requests()
366 	struct amdgpu_atif *atif = adev->atif;  in amdgpu_atif_handler()  local
375 	if (!atif ||  in amdgpu_atif_handler()
376 	    !atif->notification_cfg.enabled ||  in amdgpu_atif_handler()
377 	    event->type != atif->notification_cfg.command_code)  in amdgpu_atif_handler()
381 	if (atif->functions.sbios_requests) {  in amdgpu_atif_handler()
385 		count = amdgpu_atif_get_sbios_requests(atif, &req);  in amdgpu_atif_handler()
395 			struct amdgpu_encoder *enc = atif->encoder_for_bl;  in amdgpu_atif_handler()
720 	struct amdgpu_atif *atif;  in amdgpu_acpi_init()  local
741 	atif = kzalloc(sizeof(*atif), GFP_KERNEL);  in amdgpu_acpi_init()
742 	if (!atif) {  in amdgpu_acpi_init()
746 	atif->handle = atif_handle;  in amdgpu_acpi_init()
749 	ret = amdgpu_atif_verify_interface(atif);  in amdgpu_acpi_init()
752 		kfree(atif);  in amdgpu_acpi_init()
755 	adev->atif = atif;  in amdgpu_acpi_init()
757 	if (atif->notifications.brightness_change) {  in amdgpu_acpi_init()
769 					atif->encoder_for_bl = enc;  in amdgpu_acpi_init()
776 	if (atif->functions.sbios_requests && !atif->functions.system_params) {  in amdgpu_acpi_init()
781 		atif->functions.system_params = true;  in amdgpu_acpi_init()
784 	if (atif->functions.system_params) {  in amdgpu_acpi_init()
785 		ret = amdgpu_atif_get_notification_params(atif);  in amdgpu_acpi_init()
790 			atif->notification_cfg.enabled = false;  in amdgpu_acpi_init()
811 	if (adev->atif)  in amdgpu_acpi_fini()
812 		kfree(adev->atif);  in amdgpu_acpi_fini()