214 static void redrat3_issue_async(struct redrat3_dev *rr3)  in redrat3_issue_async()  argument
218 	res = usb_submit_urb(rr3->read_urb, GFP_ATOMIC);  in redrat3_issue_async()
220 		dev_dbg(rr3->dev,  in redrat3_issue_async()
222 			__func__, res, rr3->read_urb->transfer_buffer_length);  in redrat3_issue_async()
225 static void redrat3_dump_fw_error(struct redrat3_dev *rr3, int code)  in redrat3_dump_fw_error()  argument
227 	if (!rr3->transmitting && (code != 0x40))  in redrat3_dump_fw_error()
228 		dev_info(rr3->dev, "fw error code 0x%02x: ", code);  in redrat3_dump_fw_error()
269 		if (!rr3->transmitting)  in redrat3_dump_fw_error()
336 	struct redrat3_dev *rr3 = (struct redrat3_dev *)data;  in redrat3_rx_timeout()  local
338 	dev_dbg(rr3->dev, "calling ir_raw_event_reset\n");  in redrat3_rx_timeout()
339 	ir_raw_event_reset(rr3->rc);  in redrat3_rx_timeout()
342 static void redrat3_process_ir_data(struct redrat3_dev *rr3)  in redrat3_process_ir_data()  argument
351 	if (!rr3) {  in redrat3_process_ir_data()
356 	dev = rr3->dev;  in redrat3_process_ir_data()
359 	delay = usecs_to_jiffies(rr3->hw_timeout);  in redrat3_process_ir_data()
360 	mod_timer(&rr3->rx_timeout, jiffies + delay);  in redrat3_process_ir_data()
362 	mod_freq = redrat3_val_to_mod_freq(&rr3->irdata);  in redrat3_process_ir_data()
366 	sig_size = be16_to_cpu(rr3->irdata.sig_size);  in redrat3_process_ir_data()
368 		offset = rr3->irdata.sigdata[i];  in redrat3_process_ir_data()
369 		val = get_unaligned_be16(&rr3->irdata.lens[offset]);  in redrat3_process_ir_data()
388 		ir_raw_event_store_with_filter(rr3->rc, &rawir);  in redrat3_process_ir_data()
401 		ir_raw_event_store_with_filter(rr3->rc, &rawir);  in redrat3_process_ir_data()
405 	ir_raw_event_handle(rr3->rc);  in redrat3_process_ir_data()
409 static int redrat3_send_cmd(int cmd, struct redrat3_dev *rr3)  in redrat3_send_cmd()  argument
419 	udev = rr3->udev;  in redrat3_send_cmd()
425 		dev_err(rr3->dev, "%s: Error sending rr3 cmd res %d, data %d",  in redrat3_send_cmd()
437 static int redrat3_enable_detector(struct redrat3_dev *rr3)  in redrat3_enable_detector()  argument
439 	struct device *dev = rr3->dev;  in redrat3_enable_detector()
442 	ret = redrat3_send_cmd(RR3_RC_DET_ENABLE, rr3);  in redrat3_enable_detector()
447 	ret = redrat3_send_cmd(RR3_RC_DET_STATUS, rr3);  in redrat3_enable_detector()
454 	redrat3_issue_async(rr3);  in redrat3_enable_detector()
459 static inline void redrat3_delete(struct redrat3_dev *rr3,  in redrat3_delete()  argument
462 	usb_kill_urb(rr3->read_urb);  in redrat3_delete()
463 	usb_kill_urb(rr3->flash_urb);  in redrat3_delete()
464 	usb_free_urb(rr3->read_urb);  in redrat3_delete()
465 	usb_free_urb(rr3->flash_urb);  in redrat3_delete()
466 	usb_free_coherent(udev, le16_to_cpu(rr3->ep_in->wMaxPacketSize),  in redrat3_delete()
467 			  rr3->bulk_in_buf, rr3->dma_in);  in redrat3_delete()
469 	kfree(rr3);  in redrat3_delete()
472 static u32 redrat3_get_timeout(struct redrat3_dev *rr3)  in redrat3_get_timeout()  argument
481 		dev_warn(rr3->dev, "Memory allocation faillure\n");  in redrat3_get_timeout()
485 	pipe = usb_rcvctrlpipe(rr3->udev, 0);  in redrat3_get_timeout()
486 	ret = usb_control_msg(rr3->udev, pipe, RR3_GET_IR_PARAM,  in redrat3_get_timeout()
490 		dev_warn(rr3->dev, "Failed to read timeout from hardware\n");  in redrat3_get_timeout()
494 		dev_dbg(rr3->dev, "Got timeout of %d ms\n", timeout / 1000);  in redrat3_get_timeout()
502 static void redrat3_reset(struct redrat3_dev *rr3)  in redrat3_reset()  argument
504 	struct usb_device *udev = rr3->udev;  in redrat3_reset()
505 	struct device *dev = rr3->dev;  in redrat3_reset()
540 static void redrat3_get_firmware_rev(struct redrat3_dev *rr3)  in redrat3_get_firmware_rev()  argument
547 		dev_err(rr3->dev, "Memory allocation failure\n");  in redrat3_get_firmware_rev()
551 	rc = usb_control_msg(rr3->udev, usb_rcvctrlpipe(rr3->udev, 0),  in redrat3_get_firmware_rev()
557 		dev_info(rr3->dev, "Firmware rev: %s", buffer);  in redrat3_get_firmware_rev()
559 		dev_err(rr3->dev, "Problem fetching firmware ID\n");  in redrat3_get_firmware_rev()
564 static void redrat3_read_packet_start(struct redrat3_dev *rr3, unsigned len)  in redrat3_read_packet_start()  argument
566 	struct redrat3_header *header = rr3->bulk_in_buf;  in redrat3_read_packet_start()
573 	if (pktlen > sizeof(rr3->irdata)) {  in redrat3_read_packet_start()
574 		dev_warn(rr3->dev, "packet length %u too large\n", pktlen);  in redrat3_read_packet_start()
581 			struct redrat3_error *error = rr3->bulk_in_buf;  in redrat3_read_packet_start()
583 			redrat3_dump_fw_error(rr3, fw_error);  in redrat3_read_packet_start()
588 		memcpy(&rr3->irdata, rr3->bulk_in_buf, len);  in redrat3_read_packet_start()
589 		rr3->bytes_read = len;  in redrat3_read_packet_start()
590 		dev_dbg(rr3->dev, "bytes_read %d, pktlen %d\n",  in redrat3_read_packet_start()
591 			rr3->bytes_read, pktlen);  in redrat3_read_packet_start()
595 		dev_dbg(rr3->dev, "ignoring packet with type 0x%02x, len of %d, 0x%02x\n",  in redrat3_read_packet_start()
601 static void redrat3_read_packet_continue(struct redrat3_dev *rr3, unsigned len)  in redrat3_read_packet_continue()  argument
603 	void *irdata = &rr3->irdata;  in redrat3_read_packet_continue()
605 	if (len + rr3->bytes_read > sizeof(rr3->irdata)) {  in redrat3_read_packet_continue()
606 		dev_warn(rr3->dev, "too much data for packet\n");  in redrat3_read_packet_continue()
607 		rr3->bytes_read = 0;  in redrat3_read_packet_continue()
611 	memcpy(irdata + rr3->bytes_read, rr3->bulk_in_buf, len);  in redrat3_read_packet_continue()
613 	rr3->bytes_read += len;  in redrat3_read_packet_continue()
614 	dev_dbg(rr3->dev, "bytes_read %d, pktlen %d\n", rr3->bytes_read,  in redrat3_read_packet_continue()
615 				 be16_to_cpu(rr3->irdata.header.length));  in redrat3_read_packet_continue()
619 static int redrat3_get_ir_data(struct redrat3_dev *rr3, unsigned len)  in redrat3_get_ir_data()  argument
621 	struct device *dev = rr3->dev;  in redrat3_get_ir_data()
625 	if (rr3->bytes_read == 0 && len >= sizeof(struct redrat3_header)) {  in redrat3_get_ir_data()
626 		redrat3_read_packet_start(rr3, len);  in redrat3_get_ir_data()
627 	} else if (rr3->bytes_read != 0) {  in redrat3_get_ir_data()
628 		redrat3_read_packet_continue(rr3, len);  in redrat3_get_ir_data()
629 	} else if (rr3->bytes_read == 0) {  in redrat3_get_ir_data()
635 	if (rr3->bytes_read < be16_to_cpu(rr3->irdata.header.length) +  in redrat3_get_ir_data()
641 	pkttype = be16_to_cpu(rr3->irdata.header.transfer_type);  in redrat3_get_ir_data()
643 		redrat3_process_ir_data(rr3);  in redrat3_get_ir_data()
649 	rr3->bytes_read = 0;  in redrat3_get_ir_data()
656 	struct redrat3_dev *rr3;  in redrat3_handle_async()  local
662 	rr3 = urb->context;  in redrat3_handle_async()
663 	if (!rr3) {  in redrat3_handle_async()
671 		ret = redrat3_get_ir_data(rr3, urb->actual_length);  in redrat3_handle_async()
674 			redrat3_issue_async(rr3);  in redrat3_handle_async()
686 		dev_warn(rr3->dev, "Error: urb status = %d\n", urb->status);  in redrat3_handle_async()
687 		rr3->bytes_read = 0;  in redrat3_handle_async()
702 	struct redrat3_dev *rr3 = rcdev->priv;  in redrat3_set_tx_carrier()  local
703 	struct device *dev = rr3->dev;  in redrat3_set_tx_carrier()
709 	rr3->carrier = carrier;  in redrat3_set_tx_carrier()
717 	struct redrat3_dev *rr3 = rcdev->priv;  in redrat3_transmit_ir()  local
718 	struct device *dev = rr3->dev;  in redrat3_transmit_ir()
726 	if (rr3->transmitting) {  in redrat3_transmit_ir()
735 	rr3->transmitting = true;  in redrat3_transmit_ir()
788 	irdata->mod_freq_count = cpu_to_be16(mod_freq_to_val(rr3->carrier));  in redrat3_transmit_ir()
792 	pipe = usb_sndbulkpipe(rr3->udev, rr3->ep_out->bEndpointAddress);  in redrat3_transmit_ir()
793 	ret = usb_bulk_msg(rr3->udev, pipe, irdata,  in redrat3_transmit_ir()
798 	pipe = usb_rcvctrlpipe(rr3->udev, 0);  in redrat3_transmit_ir()
799 	ret = usb_control_msg(rr3->udev, pipe, RR3_TX_SEND_SIGNAL,  in redrat3_transmit_ir()
812 	rr3->transmitting = false;  in redrat3_transmit_ir()
821 	struct redrat3_dev *rr3 = container_of(led_dev, struct redrat3_dev,  in redrat3_brightness_set()  local
824 	if (brightness != LED_OFF && atomic_cmpxchg(&rr3->flash, 0, 1) == 0) {  in redrat3_brightness_set()
825 		int ret = usb_submit_urb(rr3->flash_urb, GFP_ATOMIC);  in redrat3_brightness_set()
827 			dev_dbg(rr3->dev, "%s: unexpected ret of %d\n",  in redrat3_brightness_set()
829 			atomic_set(&rr3->flash, 0);  in redrat3_brightness_set()
836 	struct redrat3_dev *rr3 = urb->context;  in redrat3_led_complete()  local
848 		dev_dbg(rr3->dev, "Error: urb status = %d\n", urb->status);  in redrat3_led_complete()
852 	rr3->led.brightness = LED_OFF;  in redrat3_led_complete()
853 	atomic_dec(&rr3->flash);  in redrat3_led_complete()
856 static struct rc_dev *redrat3_init_rc_dev(struct redrat3_dev *rr3)  in redrat3_init_rc_dev()  argument
858 	struct device *dev = rr3->dev;  in redrat3_init_rc_dev()
861 	u16 prod = le16_to_cpu(rr3->udev->descriptor.idProduct);  in redrat3_init_rc_dev()
869 	snprintf(rr3->name, sizeof(rr3->name), "RedRat3%s "  in redrat3_init_rc_dev()
872 		 le16_to_cpu(rr3->udev->descriptor.idVendor), prod);  in redrat3_init_rc_dev()
874 	usb_make_path(rr3->udev, rr3->phys, sizeof(rr3->phys));  in redrat3_init_rc_dev()
876 	rc->input_name = rr3->name;  in redrat3_init_rc_dev()
877 	rc->input_phys = rr3->phys;  in redrat3_init_rc_dev()
878 	usb_to_input_id(rr3->udev, &rc->input_id);  in redrat3_init_rc_dev()
880 	rc->priv = rr3;  in redrat3_init_rc_dev()
909 	struct redrat3_dev *rr3;  in redrat3_dev_probe()  local
953 	rr3 = kzalloc(sizeof(*rr3), GFP_KERNEL);  in redrat3_dev_probe()
954 	if (rr3 == NULL) {  in redrat3_dev_probe()
959 	rr3->dev = &intf->dev;  in redrat3_dev_probe()
962 	rr3->read_urb = usb_alloc_urb(0, GFP_KERNEL);  in redrat3_dev_probe()
963 	if (!rr3->read_urb) {  in redrat3_dev_probe()
968 	rr3->ep_in = ep_in;  in redrat3_dev_probe()
969 	rr3->bulk_in_buf = usb_alloc_coherent(udev,  in redrat3_dev_probe()
970 		le16_to_cpu(ep_in->wMaxPacketSize), GFP_KERNEL, &rr3->dma_in);  in redrat3_dev_probe()
971 	if (!rr3->bulk_in_buf) {  in redrat3_dev_probe()
977 	usb_fill_bulk_urb(rr3->read_urb, udev, pipe, rr3->bulk_in_buf,  in redrat3_dev_probe()
978 		le16_to_cpu(ep_in->wMaxPacketSize), redrat3_handle_async, rr3);  in redrat3_dev_probe()
979 	rr3->read_urb->transfer_dma = rr3->dma_in;  in redrat3_dev_probe()
980 	rr3->read_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;  in redrat3_dev_probe()
982 	rr3->ep_out = ep_out;  in redrat3_dev_probe()
983 	rr3->udev = udev;  in redrat3_dev_probe()
985 	redrat3_reset(rr3);  in redrat3_dev_probe()
986 	redrat3_get_firmware_rev(rr3);  in redrat3_dev_probe()
989 	retval = redrat3_enable_detector(rr3);  in redrat3_dev_probe()
994 	rr3->hw_timeout = redrat3_get_timeout(rr3);  in redrat3_dev_probe()
997 	rr3->carrier = 38000;  in redrat3_dev_probe()
1000 	rr3->led.name = "redrat3:red:feedback";  in redrat3_dev_probe()
1001 	rr3->led.default_trigger = "rc-feedback";  in redrat3_dev_probe()
1002 	rr3->led.brightness_set = redrat3_brightness_set;  in redrat3_dev_probe()
1003 	retval = led_classdev_register(&intf->dev, &rr3->led);  in redrat3_dev_probe()
1007 	atomic_set(&rr3->flash, 0);  in redrat3_dev_probe()
1008 	rr3->flash_urb = usb_alloc_urb(0, GFP_KERNEL);  in redrat3_dev_probe()
1009 	if (!rr3->flash_urb) {  in redrat3_dev_probe()
1015 	rr3->flash_control.bRequestType = 0xc0;  in redrat3_dev_probe()
1016 	rr3->flash_control.bRequest = RR3_BLINK_LED;  in redrat3_dev_probe()
1017 	rr3->flash_control.wLength = cpu_to_le16(1);  in redrat3_dev_probe()
1019 	usb_fill_control_urb(rr3->flash_urb, udev, usb_rcvctrlpipe(udev, 0),  in redrat3_dev_probe()
1020 			(unsigned char *)&rr3->flash_control,  in redrat3_dev_probe()
1021 			&rr3->flash_in_buf, sizeof(rr3->flash_in_buf),  in redrat3_dev_probe()
1022 			redrat3_led_complete, rr3);  in redrat3_dev_probe()
1024 	rr3->rc = redrat3_init_rc_dev(rr3);  in redrat3_dev_probe()
1025 	if (!rr3->rc) {  in redrat3_dev_probe()
1029 	setup_timer(&rr3->rx_timeout, redrat3_rx_timeout, (unsigned long)rr3);  in redrat3_dev_probe()
1032 	usb_set_intfdata(intf, rr3);  in redrat3_dev_probe()
1037 	led_classdev_unregister(&rr3->led);  in redrat3_dev_probe()
1039 	redrat3_delete(rr3, rr3->udev);  in redrat3_dev_probe()
1050 	struct redrat3_dev *rr3 = usb_get_intfdata(intf);  in redrat3_dev_disconnect()  local
1052 	if (!rr3)  in redrat3_dev_disconnect()
1056 	rc_unregister_device(rr3->rc);  in redrat3_dev_disconnect()
1057 	led_classdev_unregister(&rr3->led);  in redrat3_dev_disconnect()
1058 	del_timer_sync(&rr3->rx_timeout);  in redrat3_dev_disconnect()
1059 	redrat3_delete(rr3, udev);  in redrat3_dev_disconnect()
1064 	struct redrat3_dev *rr3 = usb_get_intfdata(intf);  in redrat3_dev_suspend()  local
1066 	led_classdev_suspend(&rr3->led);  in redrat3_dev_suspend()
1067 	usb_kill_urb(rr3->read_urb);  in redrat3_dev_suspend()
1068 	usb_kill_urb(rr3->flash_urb);  in redrat3_dev_suspend()
1074 	struct redrat3_dev *rr3 = usb_get_intfdata(intf);  in redrat3_dev_resume()  local
1076 	if (usb_submit_urb(rr3->read_urb, GFP_ATOMIC))  in redrat3_dev_resume()
1078 	led_classdev_resume(&rr3->led);  in redrat3_dev_resume()