129 	struct amdgpu_atif atif;  member
145 static union acpi_object *amdgpu_atif_call(struct amdgpu_atif *atif,  in amdgpu_atif_call()  argument
171 	status = acpi_evaluate_object(atif->handle, NULL, &atif_arg,  in amdgpu_atif_call()
244 static int amdgpu_atif_verify_interface(struct amdgpu_atif *atif)  in amdgpu_atif_verify_interface()  argument
251 	info = amdgpu_atif_call(atif, ATIF_FUNCTION_VERIFY_INTERFACE, NULL);  in amdgpu_atif_verify_interface()
270 	amdgpu_atif_parse_notification(&atif->notifications, output.notification_mask);  in amdgpu_atif_verify_interface()
271 	amdgpu_atif_parse_functions(&atif->functions, output.function_bits);  in amdgpu_atif_verify_interface()
289 static int amdgpu_atif_get_notification_params(struct amdgpu_atif *atif)  in amdgpu_atif_get_notification_params()  argument
292 	struct amdgpu_atif_notification_cfg *n = &atif->notification_cfg;  in amdgpu_atif_get_notification_params()
297 	info = amdgpu_atif_call(atif, ATIF_FUNCTION_GET_SYSTEM_PARAMETERS,  in amdgpu_atif_get_notification_params()
357 static int amdgpu_atif_query_backlight_caps(struct amdgpu_atif *atif)  in amdgpu_atif_query_backlight_caps()  argument
372 	info = amdgpu_atif_call(atif,  in amdgpu_atif_query_backlight_caps()
390 	atif->backlight_caps.caps_valid = true;  in amdgpu_atif_query_backlight_caps()
391 	atif->backlight_caps.min_input_signal =  in amdgpu_atif_query_backlight_caps()
393 	atif->backlight_caps.max_input_signal =  in amdgpu_atif_query_backlight_caps()
395 	atif->backlight_caps.ac_level = characteristics.ac_level;  in amdgpu_atif_query_backlight_caps()
396 	atif->backlight_caps.dc_level = characteristics.dc_level;  in amdgpu_atif_query_backlight_caps()
397 	atif->backlight_caps.data_points = characteristics.number_of_points;  in amdgpu_atif_query_backlight_caps()
398 	memcpy(atif->backlight_caps.luminance_data,  in amdgpu_atif_query_backlight_caps()
400 	       sizeof(atif->backlight_caps.luminance_data));  in amdgpu_atif_query_backlight_caps()
417 static int amdgpu_atif_get_sbios_requests(struct amdgpu_atif *atif,  in amdgpu_atif_get_sbios_requests()  argument
424 	info = amdgpu_atif_call(atif, ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS,  in amdgpu_atif_get_sbios_requests()
462 	struct amdgpu_atif *atif = &amdgpu_acpi_priv.atif;  in amdgpu_atif_handler()  local
472 	if (!atif->notification_cfg.enabled ||  in amdgpu_atif_handler()
473 	    event->type != atif->notification_cfg.command_code) {  in amdgpu_atif_handler()
481 	if (atif->functions.sbios_requests) {  in amdgpu_atif_handler()
485 		count = amdgpu_atif_get_sbios_requests(atif, &req);  in amdgpu_atif_handler()
493 			if (atif->bd) {  in amdgpu_atif_handler()
501 				backlight_device_set_brightness(atif->bd, req.backlight_level);  in amdgpu_atif_handler()
1244 	struct amdgpu_atif *atif = &amdgpu_acpi_priv.atif;  in amdgpu_acpi_init()  local
1246 	if (atif->notifications.brightness_change) {  in amdgpu_acpi_init()
1252 				atif->bd = dm->backlight_dev[0];  in amdgpu_acpi_init()
1267 						atif->bd = dig->bl_dev;  in amdgpu_acpi_init()
1282 	struct amdgpu_atif *atif = &amdgpu_acpi_priv.atif;  in amdgpu_acpi_get_backlight_caps()  local
1284 	memcpy(caps, &atif->backlight_caps, sizeof(*caps));  in amdgpu_acpi_get_backlight_caps()
1323 	amdgpu_acpi_priv.atif.handle = atif_handle;  in amdgpu_atif_pci_probe_handle()
1324 	acpi_get_name(amdgpu_acpi_priv.atif.handle, ACPI_FULL_PATHNAME, &buffer);  in amdgpu_atif_pci_probe_handle()
1326 	ret = amdgpu_atif_verify_interface(&amdgpu_acpi_priv.atif);  in amdgpu_atif_pci_probe_handle()
1328 		amdgpu_acpi_priv.atif.handle = 0;  in amdgpu_atif_pci_probe_handle()
1405 	struct amdgpu_atif *atif = &amdgpu_acpi_priv.atif;  in amdgpu_acpi_detect()  local
1415 		if (!atif->handle)  in amdgpu_acpi_detect()
1421 	if (atif->functions.sbios_requests && !atif->functions.system_params) {  in amdgpu_acpi_detect()
1426 		atif->functions.system_params = true;  in amdgpu_acpi_detect()
1429 	if (atif->functions.system_params) {  in amdgpu_acpi_detect()
1430 		ret = amdgpu_atif_get_notification_params(atif);  in amdgpu_acpi_detect()
1435 			atif->notification_cfg.enabled = false;  in amdgpu_acpi_detect()
1439 	if (atif->functions.query_backlight_transfer_characteristics) {  in amdgpu_acpi_detect()
1440 		ret = amdgpu_atif_query_backlight_caps(atif);  in amdgpu_acpi_detect()
1444 			atif->backlight_caps.caps_valid = false;  in amdgpu_acpi_detect()
1447 		atif->backlight_caps.caps_valid = false;  in amdgpu_acpi_detect()