129 	struct amdgpu_atif atif;  member
145 static union acpi_object *amdgpu_atif_call(struct amdgpu_atif *atif,  in amdgpu_atif_call()  argument
170 	status = acpi_evaluate_object(atif->handle, NULL, &atif_arg,  in amdgpu_atif_call()
235 static int amdgpu_atif_verify_interface(struct amdgpu_atif *atif)  in amdgpu_atif_verify_interface()  argument
242 	info = amdgpu_atif_call(atif, ATIF_FUNCTION_VERIFY_INTERFACE, NULL);  in amdgpu_atif_verify_interface()
261 	amdgpu_atif_parse_notification(&atif->notifications, output.notification_mask);  in amdgpu_atif_verify_interface()
262 	amdgpu_atif_parse_functions(&atif->functions, output.function_bits);  in amdgpu_atif_verify_interface()
280 static int amdgpu_atif_get_notification_params(struct amdgpu_atif *atif)  in amdgpu_atif_get_notification_params()  argument
283 	struct amdgpu_atif_notification_cfg *n = &atif->notification_cfg;  in amdgpu_atif_get_notification_params()
288 	info = amdgpu_atif_call(atif, ATIF_FUNCTION_GET_SYSTEM_PARAMETERS,  in amdgpu_atif_get_notification_params()
348 static int amdgpu_atif_query_backlight_caps(struct amdgpu_atif *atif)  in amdgpu_atif_query_backlight_caps()  argument
363 	info = amdgpu_atif_call(atif,  in amdgpu_atif_query_backlight_caps()
381 	atif->backlight_caps.caps_valid = true;  in amdgpu_atif_query_backlight_caps()
382 	atif->backlight_caps.min_input_signal =  in amdgpu_atif_query_backlight_caps()
384 	atif->backlight_caps.max_input_signal =  in amdgpu_atif_query_backlight_caps()
402 static int amdgpu_atif_get_sbios_requests(struct amdgpu_atif *atif,  in amdgpu_atif_get_sbios_requests()  argument
409 	info = amdgpu_atif_call(atif, ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS,  in amdgpu_atif_get_sbios_requests()
447 	struct amdgpu_atif *atif = &amdgpu_acpi_priv.atif;  in amdgpu_atif_handler()  local
457 	if (!atif->notification_cfg.enabled ||  in amdgpu_atif_handler()
458 	    event->type != atif->notification_cfg.command_code) {  in amdgpu_atif_handler()
466 	if (atif->functions.sbios_requests) {  in amdgpu_atif_handler()
470 		count = amdgpu_atif_get_sbios_requests(atif, &req);  in amdgpu_atif_handler()
478 			if (atif->bd) {  in amdgpu_atif_handler()
486 				backlight_device_set_brightness(atif->bd, req.backlight_level);  in amdgpu_atif_handler()
1224 	struct amdgpu_atif *atif = &amdgpu_acpi_priv.atif;  in amdgpu_acpi_init()  local
1226 	if (atif->notifications.brightness_change) {  in amdgpu_acpi_init()
1232 				atif->bd = dm->backlight_dev[0];  in amdgpu_acpi_init()
1247 						atif->bd = dig->bl_dev;  in amdgpu_acpi_init()
1262 	struct amdgpu_atif *atif = &amdgpu_acpi_priv.atif;  in amdgpu_acpi_get_backlight_caps()  local
1264 	caps->caps_valid = atif->backlight_caps.caps_valid;  in amdgpu_acpi_get_backlight_caps()
1265 	caps->min_input_signal = atif->backlight_caps.min_input_signal;  in amdgpu_acpi_get_backlight_caps()
1266 	caps->max_input_signal = atif->backlight_caps.max_input_signal;  in amdgpu_acpi_get_backlight_caps()
1305 	amdgpu_acpi_priv.atif.handle = atif_handle;  in amdgpu_atif_pci_probe_handle()
1306 	acpi_get_name(amdgpu_acpi_priv.atif.handle, ACPI_FULL_PATHNAME, &buffer);  in amdgpu_atif_pci_probe_handle()
1308 	ret = amdgpu_atif_verify_interface(&amdgpu_acpi_priv.atif);  in amdgpu_atif_pci_probe_handle()
1310 		amdgpu_acpi_priv.atif.handle = 0;  in amdgpu_atif_pci_probe_handle()
1387 	struct amdgpu_atif *atif = &amdgpu_acpi_priv.atif;  in amdgpu_acpi_detect()  local
1393 		if (!atif->handle)  in amdgpu_acpi_detect()
1400 		if (!atif->handle)  in amdgpu_acpi_detect()
1406 	if (atif->functions.sbios_requests && !atif->functions.system_params) {  in amdgpu_acpi_detect()
1411 		atif->functions.system_params = true;  in amdgpu_acpi_detect()
1414 	if (atif->functions.system_params) {  in amdgpu_acpi_detect()
1415 		ret = amdgpu_atif_get_notification_params(atif);  in amdgpu_acpi_detect()
1420 			atif->notification_cfg.enabled = false;  in amdgpu_acpi_detect()
1424 	if (atif->functions.query_backlight_transfer_characteristics) {  in amdgpu_acpi_detect()
1425 		ret = amdgpu_atif_query_backlight_caps(atif);  in amdgpu_acpi_detect()
1429 			atif->backlight_caps.caps_valid = false;  in amdgpu_acpi_detect()
1432 		atif->backlight_caps.caps_valid = false;  in amdgpu_acpi_detect()