236 static void redrat3_dump_fw_error(struct redrat3_dev *rr3, int code)  in redrat3_dump_fw_error()  argument
238 	if (!rr3->transmitting && (code != 0x40))  in redrat3_dump_fw_error()
239 		dev_info(rr3->dev, "fw error code 0x%02x: ", code);  in redrat3_dump_fw_error()
276 		if (!rr3->transmitting)  in redrat3_dump_fw_error()
339 static void redrat3_process_ir_data(struct redrat3_dev *rr3)  in redrat3_process_ir_data()  argument
346 	dev = rr3->dev;  in redrat3_process_ir_data()
348 	mod_freq = redrat3_val_to_mod_freq(&rr3->irdata);  in redrat3_process_ir_data()
350 	if (mod_freq && rr3->wideband) {  in redrat3_process_ir_data()
356 		ir_raw_event_store(rr3->rc, &ev);  in redrat3_process_ir_data()
360 	sig_size = be16_to_cpu(rr3->irdata.sig_size);  in redrat3_process_ir_data()
362 		offset = rr3->irdata.sigdata[i];  in redrat3_process_ir_data()
363 		val = get_unaligned_be16(&rr3->irdata.lens[offset]);  in redrat3_process_ir_data()
378 		ir_raw_event_store_with_filter(rr3->rc, &rawir);  in redrat3_process_ir_data()
384 	rawir.duration = rr3->rc->timeout;  in redrat3_process_ir_data()
387 	ir_raw_event_store_with_filter(rr3->rc, &rawir);  in redrat3_process_ir_data()
390 	ir_raw_event_handle(rr3->rc);  in redrat3_process_ir_data()
394 static int redrat3_send_cmd(int cmd, struct redrat3_dev *rr3)  in redrat3_send_cmd()  argument
404 	udev = rr3->udev;  in redrat3_send_cmd()
410 		dev_err(rr3->dev, "%s: Error sending rr3 cmd res %d, data %d",  in redrat3_send_cmd()
422 static int redrat3_enable_detector(struct redrat3_dev *rr3)  in redrat3_enable_detector()  argument
424 	struct device *dev = rr3->dev;  in redrat3_enable_detector()
427 	ret = redrat3_send_cmd(RR3_RC_DET_ENABLE, rr3);  in redrat3_enable_detector()
432 	ret = redrat3_send_cmd(RR3_RC_DET_STATUS, rr3);  in redrat3_enable_detector()
439 	ret = usb_submit_urb(rr3->narrow_urb, GFP_KERNEL);  in redrat3_enable_detector()
441 		dev_err(rr3->dev, "narrow band urb failed: %d", ret);  in redrat3_enable_detector()
445 	ret = usb_submit_urb(rr3->wide_urb, GFP_KERNEL);  in redrat3_enable_detector()
447 		dev_err(rr3->dev, "wide band urb failed: %d", ret);  in redrat3_enable_detector()
452 static inline void redrat3_delete(struct redrat3_dev *rr3,  in redrat3_delete()  argument
455 	usb_kill_urb(rr3->narrow_urb);  in redrat3_delete()
456 	usb_kill_urb(rr3->wide_urb);  in redrat3_delete()
457 	usb_kill_urb(rr3->flash_urb);  in redrat3_delete()
458 	usb_kill_urb(rr3->learn_urb);  in redrat3_delete()
459 	usb_free_urb(rr3->narrow_urb);  in redrat3_delete()
460 	usb_free_urb(rr3->wide_urb);  in redrat3_delete()
461 	usb_free_urb(rr3->flash_urb);  in redrat3_delete()
462 	usb_free_urb(rr3->learn_urb);  in redrat3_delete()
463 	usb_free_coherent(udev, le16_to_cpu(rr3->ep_narrow->wMaxPacketSize),  in redrat3_delete()
464 			  rr3->bulk_in_buf, rr3->dma_in);  in redrat3_delete()
466 	kfree(rr3);  in redrat3_delete()
469 static u32 redrat3_get_timeout(struct redrat3_dev *rr3)  in redrat3_get_timeout()  argument
480 	pipe = usb_rcvctrlpipe(rr3->udev, 0);  in redrat3_get_timeout()
481 	ret = usb_control_msg(rr3->udev, pipe, RR3_GET_IR_PARAM,  in redrat3_get_timeout()
485 		dev_warn(rr3->dev, "Failed to read timeout from hardware\n");  in redrat3_get_timeout()
489 		dev_dbg(rr3->dev, "Got timeout of %d ms\n", timeout / 1000);  in redrat3_get_timeout()
499 	struct redrat3_dev *rr3 = rc_dev->priv;  in redrat3_set_timeout()  local
500 	struct usb_device *udev = rr3->udev;  in redrat3_set_timeout()
501 	struct device *dev = rr3->dev;  in redrat3_set_timeout()
527 static void redrat3_reset(struct redrat3_dev *rr3)  in redrat3_reset()  argument
529 	struct usb_device *udev = rr3->udev;  in redrat3_reset()
530 	struct device *dev = rr3->dev;  in redrat3_reset()
576 static void redrat3_get_firmware_rev(struct redrat3_dev *rr3)  in redrat3_get_firmware_rev()  argument
585 	rc = usb_control_msg(rr3->udev, usb_rcvctrlpipe(rr3->udev, 0),  in redrat3_get_firmware_rev()
591 		dev_info(rr3->dev, "Firmware rev: %s", buffer);  in redrat3_get_firmware_rev()
593 		dev_err(rr3->dev, "Problem fetching firmware ID\n");  in redrat3_get_firmware_rev()
598 static void redrat3_read_packet_start(struct redrat3_dev *rr3, unsigned len)  in redrat3_read_packet_start()  argument
600 	struct redrat3_header *header = rr3->bulk_in_buf;  in redrat3_read_packet_start()
607 	if (pktlen > sizeof(rr3->irdata)) {  in redrat3_read_packet_start()
608 		dev_warn(rr3->dev, "packet length %u too large\n", pktlen);  in redrat3_read_packet_start()
615 			struct redrat3_error *error = rr3->bulk_in_buf;  in redrat3_read_packet_start()
617 			redrat3_dump_fw_error(rr3, fw_error);  in redrat3_read_packet_start()
622 		memcpy(&rr3->irdata, rr3->bulk_in_buf, len);  in redrat3_read_packet_start()
623 		rr3->bytes_read = len;  in redrat3_read_packet_start()
624 		dev_dbg(rr3->dev, "bytes_read %d, pktlen %d\n",  in redrat3_read_packet_start()
625 			rr3->bytes_read, pktlen);  in redrat3_read_packet_start()
629 		dev_dbg(rr3->dev, "ignoring packet with type 0x%02x, len of %d, 0x%02x\n",  in redrat3_read_packet_start()
635 static void redrat3_read_packet_continue(struct redrat3_dev *rr3, unsigned len)  in redrat3_read_packet_continue()  argument
637 	void *irdata = &rr3->irdata;  in redrat3_read_packet_continue()
639 	if (len + rr3->bytes_read > sizeof(rr3->irdata)) {  in redrat3_read_packet_continue()
640 		dev_warn(rr3->dev, "too much data for packet\n");  in redrat3_read_packet_continue()
641 		rr3->bytes_read = 0;  in redrat3_read_packet_continue()
645 	memcpy(irdata + rr3->bytes_read, rr3->bulk_in_buf, len);  in redrat3_read_packet_continue()
647 	rr3->bytes_read += len;  in redrat3_read_packet_continue()
648 	dev_dbg(rr3->dev, "bytes_read %d, pktlen %d\n", rr3->bytes_read,  in redrat3_read_packet_continue()
649 				 be16_to_cpu(rr3->irdata.header.length));  in redrat3_read_packet_continue()
653 static int redrat3_get_ir_data(struct redrat3_dev *rr3, unsigned len)  in redrat3_get_ir_data()  argument
655 	struct device *dev = rr3->dev;  in redrat3_get_ir_data()
659 	if (rr3->bytes_read == 0 && len >= sizeof(struct redrat3_header)) {  in redrat3_get_ir_data()
660 		redrat3_read_packet_start(rr3, len);  in redrat3_get_ir_data()
661 	} else if (rr3->bytes_read != 0) {  in redrat3_get_ir_data()
662 		redrat3_read_packet_continue(rr3, len);  in redrat3_get_ir_data()
663 	} else if (rr3->bytes_read == 0) {  in redrat3_get_ir_data()
669 	if (rr3->bytes_read < be16_to_cpu(rr3->irdata.header.length) +  in redrat3_get_ir_data()
675 	pkttype = be16_to_cpu(rr3->irdata.header.transfer_type);  in redrat3_get_ir_data()
677 		redrat3_process_ir_data(rr3);  in redrat3_get_ir_data()
683 	rr3->bytes_read = 0;  in redrat3_get_ir_data()
690 	struct redrat3_dev *rr3 = urb->context;  in redrat3_handle_async()  local
695 		ret = redrat3_get_ir_data(rr3, urb->actual_length);  in redrat3_handle_async()
696 		if (!ret && rr3->wideband && !rr3->learn_urb->hcpriv) {  in redrat3_handle_async()
697 			ret = usb_submit_urb(rr3->learn_urb, GFP_ATOMIC);  in redrat3_handle_async()
699 				dev_err(rr3->dev, "Failed to submit learning urb: %d",  in redrat3_handle_async()
707 				dev_err(rr3->dev, "Failed to resubmit urb: %d",  in redrat3_handle_async()
720 		dev_warn(rr3->dev, "Error: urb status = %d\n", urb->status);  in redrat3_handle_async()
721 		rr3->bytes_read = 0;  in redrat3_handle_async()
736 	struct redrat3_dev *rr3 = rcdev->priv;  in redrat3_set_tx_carrier()  local
737 	struct device *dev = rr3->dev;  in redrat3_set_tx_carrier()
743 	rr3->carrier = carrier;  in redrat3_set_tx_carrier()
751 	struct redrat3_dev *rr3 = rcdev->priv;  in redrat3_transmit_ir()  local
752 	struct device *dev = rr3->dev;  in redrat3_transmit_ir()
760 	if (rr3->transmitting) {  in redrat3_transmit_ir()
769 	rr3->transmitting = true;  in redrat3_transmit_ir()
822 	irdata->mod_freq_count = cpu_to_be16(mod_freq_to_val(rr3->carrier));  in redrat3_transmit_ir()
826 	pipe = usb_sndbulkpipe(rr3->udev, rr3->ep_out->bEndpointAddress);  in redrat3_transmit_ir()
827 	ret = usb_bulk_msg(rr3->udev, pipe, irdata,  in redrat3_transmit_ir()
832 	pipe = usb_rcvctrlpipe(rr3->udev, 0);  in redrat3_transmit_ir()
833 	ret = usb_control_msg(rr3->udev, pipe, RR3_TX_SEND_SIGNAL,  in redrat3_transmit_ir()
846 	rr3->transmitting = false;  in redrat3_transmit_ir()
855 	struct redrat3_dev *rr3 = container_of(led_dev, struct redrat3_dev,  in redrat3_brightness_set()  local
858 	if (brightness != LED_OFF && atomic_cmpxchg(&rr3->flash, 0, 1) == 0) {  in redrat3_brightness_set()
859 		int ret = usb_submit_urb(rr3->flash_urb, GFP_ATOMIC);  in redrat3_brightness_set()
861 			dev_dbg(rr3->dev, "%s: unexpected ret of %d\n",  in redrat3_brightness_set()
863 			atomic_set(&rr3->flash, 0);  in redrat3_brightness_set()
870 	struct redrat3_dev *rr3 = rcdev->priv;  in redrat3_wideband_receiver()  local
873 	rr3->wideband = enable != 0;  in redrat3_wideband_receiver()
876 		ret = usb_submit_urb(rr3->learn_urb, GFP_KERNEL);  in redrat3_wideband_receiver()
878 			dev_err(rr3->dev, "Failed to submit learning urb: %d",  in redrat3_wideband_receiver()
887 	struct redrat3_dev *rr3 = urb->context;  in redrat3_learn_complete()  local
899 		dev_err(rr3->dev, "Error: learn urb status = %d", urb->status);  in redrat3_learn_complete()
906 	struct redrat3_dev *rr3 = urb->context;  in redrat3_led_complete()  local
918 		dev_dbg(rr3->dev, "Error: urb status = %d\n", urb->status);  in redrat3_led_complete()
922 	rr3->led.brightness = LED_OFF;  in redrat3_led_complete()
923 	atomic_dec(&rr3->flash);  in redrat3_led_complete()
926 static struct rc_dev *redrat3_init_rc_dev(struct redrat3_dev *rr3)  in redrat3_init_rc_dev()  argument
928 	struct device *dev = rr3->dev;  in redrat3_init_rc_dev()
931 	u16 prod = le16_to_cpu(rr3->udev->descriptor.idProduct);  in redrat3_init_rc_dev()
937 	snprintf(rr3->name, sizeof(rr3->name),  in redrat3_init_rc_dev()
941 	usb_make_path(rr3->udev, rr3->phys, sizeof(rr3->phys));  in redrat3_init_rc_dev()
943 	rc->device_name = rr3->name;  in redrat3_init_rc_dev()
944 	rc->input_phys = rr3->phys;  in redrat3_init_rc_dev()
945 	usb_to_input_id(rr3->udev, &rc->input_id);  in redrat3_init_rc_dev()
947 	rc->priv = rr3;  in redrat3_init_rc_dev()
951 	rc->timeout = redrat3_get_timeout(rr3);  in redrat3_init_rc_dev()
979 	struct redrat3_dev *rr3;  in redrat3_dev_probe()  local
1025 	rr3 = kzalloc(sizeof(*rr3), GFP_KERNEL);  in redrat3_dev_probe()
1026 	if (!rr3)  in redrat3_dev_probe()
1029 	rr3->dev = &intf->dev;  in redrat3_dev_probe()
1030 	rr3->ep_narrow = ep_narrow;  in redrat3_dev_probe()
1031 	rr3->ep_out = ep_out;  in redrat3_dev_probe()
1032 	rr3->udev = udev;  in redrat3_dev_probe()
1035 	rr3->narrow_urb = usb_alloc_urb(0, GFP_KERNEL);  in redrat3_dev_probe()
1036 	if (!rr3->narrow_urb)  in redrat3_dev_probe()
1039 	rr3->wide_urb = usb_alloc_urb(0, GFP_KERNEL);  in redrat3_dev_probe()
1040 	if (!rr3->wide_urb)  in redrat3_dev_probe()
1043 	rr3->bulk_in_buf = usb_alloc_coherent(udev,  in redrat3_dev_probe()
1045 		GFP_KERNEL, &rr3->dma_in);  in redrat3_dev_probe()
1046 	if (!rr3->bulk_in_buf)  in redrat3_dev_probe()
1050 	usb_fill_bulk_urb(rr3->narrow_urb, udev, pipe, rr3->bulk_in_buf,  in redrat3_dev_probe()
1052 		redrat3_handle_async, rr3);  in redrat3_dev_probe()
1053 	rr3->narrow_urb->transfer_dma = rr3->dma_in;  in redrat3_dev_probe()
1054 	rr3->narrow_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;  in redrat3_dev_probe()
1057 	usb_fill_bulk_urb(rr3->wide_urb, udev, pipe, rr3->bulk_in_buf,  in redrat3_dev_probe()
1059 		redrat3_handle_async, rr3);  in redrat3_dev_probe()
1060 	rr3->wide_urb->transfer_dma = rr3->dma_in;  in redrat3_dev_probe()
1061 	rr3->wide_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;  in redrat3_dev_probe()
1063 	redrat3_reset(rr3);  in redrat3_dev_probe()
1064 	redrat3_get_firmware_rev(rr3);  in redrat3_dev_probe()
1067 	rr3->carrier = 38000;  in redrat3_dev_probe()
1069 	atomic_set(&rr3->flash, 0);  in redrat3_dev_probe()
1070 	rr3->flash_urb = usb_alloc_urb(0, GFP_KERNEL);  in redrat3_dev_probe()
1071 	if (!rr3->flash_urb)  in redrat3_dev_probe()
1075 	rr3->learn_urb = usb_alloc_urb(0, GFP_KERNEL);  in redrat3_dev_probe()
1076 	if (!rr3->learn_urb)  in redrat3_dev_probe()
1080 	rr3->learn_control.bRequestType = 0xc0;  in redrat3_dev_probe()
1081 	rr3->learn_control.bRequest = RR3_MODSIG_CAPTURE;  in redrat3_dev_probe()
1082 	rr3->learn_control.wLength = cpu_to_le16(1);  in redrat3_dev_probe()
1084 	usb_fill_control_urb(rr3->learn_urb, udev, usb_rcvctrlpipe(udev, 0),  in redrat3_dev_probe()
1085 			(unsigned char *)&rr3->learn_control,  in redrat3_dev_probe()
1086 			&rr3->learn_buf, sizeof(rr3->learn_buf),  in redrat3_dev_probe()
1087 			redrat3_learn_complete, rr3);  in redrat3_dev_probe()
1090 	rr3->flash_control.bRequestType = 0xc0;  in redrat3_dev_probe()
1091 	rr3->flash_control.bRequest = RR3_BLINK_LED;  in redrat3_dev_probe()
1092 	rr3->flash_control.wLength = cpu_to_le16(1);  in redrat3_dev_probe()
1094 	usb_fill_control_urb(rr3->flash_urb, udev, usb_rcvctrlpipe(udev, 0),  in redrat3_dev_probe()
1095 			(unsigned char *)&rr3->flash_control,  in redrat3_dev_probe()
1096 			&rr3->flash_in_buf, sizeof(rr3->flash_in_buf),  in redrat3_dev_probe()
1097 			redrat3_led_complete, rr3);  in redrat3_dev_probe()
1100 	rr3->led.name = "redrat3:red:feedback";  in redrat3_dev_probe()
1101 	rr3->led.default_trigger = "rc-feedback";  in redrat3_dev_probe()
1102 	rr3->led.brightness_set = redrat3_brightness_set;  in redrat3_dev_probe()
1103 	retval = led_classdev_register(&intf->dev, &rr3->led);  in redrat3_dev_probe()
1107 	rr3->rc = redrat3_init_rc_dev(rr3);  in redrat3_dev_probe()
1108 	if (!rr3->rc) {  in redrat3_dev_probe()
1114 	retval = redrat3_enable_detector(rr3);  in redrat3_dev_probe()
1119 	usb_set_intfdata(intf, rr3);  in redrat3_dev_probe()
1124 	led_classdev_unregister(&rr3->led);  in redrat3_dev_probe()
1126 	redrat3_delete(rr3, rr3->udev);  in redrat3_dev_probe()
1135 	struct redrat3_dev *rr3 = usb_get_intfdata(intf);  in redrat3_dev_disconnect()  local
1138 	rc_unregister_device(rr3->rc);  in redrat3_dev_disconnect()
1139 	led_classdev_unregister(&rr3->led);  in redrat3_dev_disconnect()
1140 	redrat3_delete(rr3, udev);  in redrat3_dev_disconnect()
1145 	struct redrat3_dev *rr3 = usb_get_intfdata(intf);  in redrat3_dev_suspend()  local
1147 	led_classdev_suspend(&rr3->led);  in redrat3_dev_suspend()
1148 	usb_kill_urb(rr3->narrow_urb);  in redrat3_dev_suspend()
1149 	usb_kill_urb(rr3->wide_urb);  in redrat3_dev_suspend()
1150 	usb_kill_urb(rr3->flash_urb);  in redrat3_dev_suspend()
1156 	struct redrat3_dev *rr3 = usb_get_intfdata(intf);  in redrat3_dev_resume()  local
1158 	if (usb_submit_urb(rr3->narrow_urb, GFP_NOIO))  in redrat3_dev_resume()
1160 	if (usb_submit_urb(rr3->wide_urb, GFP_NOIO))  in redrat3_dev_resume()
1162 	led_classdev_resume(&rr3->led);  in redrat3_dev_resume()