538 static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf,  in mceusb_dev_printdata()  argument
544 	struct device *dev = ir->dev;  in mceusb_dev_printdata()
549 	if (ir->flags.microsoft_gen1 && !out && !offset)  in mceusb_dev_printdata()
670 			else if (ir->learning_enabled)  in mceusb_dev_printdata()
697 		dev_dbg(dev, "Raw IR data, %d pulse/space samples", ir->rem);  in mceusb_dev_printdata()
703 	struct mceusb_dev *ir;  in mce_async_callback()  local
709 	ir = urb->context;  in mce_async_callback()
716 		mceusb_dev_printdata(ir, urb->transfer_buffer, 0, len, true);  in mce_async_callback()
727 		dev_err(ir->dev, "Error: request urb status = %d", urb->status);  in mce_async_callback()
737 static void mce_request_packet(struct mceusb_dev *ir, unsigned char *data,  in mce_request_packet()  argument
742 	struct device *dev = ir->dev;  in mce_request_packet()
760 		if (usb_endpoint_xfer_int(ir->usb_ep_out)) {  in mce_request_packet()
761 			pipe = usb_sndintpipe(ir->usbdev,  in mce_request_packet()
762 					 ir->usb_ep_out->bEndpointAddress);  in mce_request_packet()
763 			usb_fill_int_urb(async_urb, ir->usbdev, pipe, async_buf,  in mce_request_packet()
764 					 size, mce_async_callback, ir,  in mce_request_packet()
765 					 ir->usb_ep_out->bInterval);  in mce_request_packet()
767 			pipe = usb_sndbulkpipe(ir->usbdev,  in mce_request_packet()
768 					 ir->usb_ep_out->bEndpointAddress);  in mce_request_packet()
769 			usb_fill_bulk_urb(async_urb, ir->usbdev, pipe,  in mce_request_packet()
771 					 ir);  in mce_request_packet()
777 		async_urb = ir->urb_in;  in mce_request_packet()
778 		ir->send_flags = RECV_FLAG_IN_PROGRESS;  in mce_request_packet()
788 	async_urb->dev = ir->usbdev;  in mce_request_packet()
798 static void mce_async_out(struct mceusb_dev *ir, unsigned char *data, int size)  in mce_async_out()  argument
802 	if (ir->need_reset) {  in mce_async_out()
803 		ir->need_reset = false;  in mce_async_out()
804 		mce_request_packet(ir, DEVICE_RESUME, rsize, MCEUSB_TX);  in mce_async_out()
808 	mce_request_packet(ir, data, size, MCEUSB_TX);  in mce_async_out()
812 static void mce_flush_rx_buffer(struct mceusb_dev *ir, int size)  in mce_flush_rx_buffer()  argument
814 	mce_request_packet(ir, NULL, size, MCEUSB_RX);  in mce_flush_rx_buffer()
820 	struct mceusb_dev *ir = dev->priv;  in mceusb_tx_ir()  local
828 	cmdbuf[cmdcount++] = ir->tx_mask;  in mceusb_tx_ir()
831 	mce_async_out(ir, cmdbuf, cmdcount);  in mceusb_tx_ir()
874 	mce_async_out(ir, cmdbuf, cmdcount);  in mceusb_tx_ir()
883 	struct mceusb_dev *ir = dev->priv;  in mceusb_set_tx_mask()  local
885 	if (ir->flags.tx_mask_normal)  in mceusb_set_tx_mask()
886 		ir->tx_mask = mask;  in mceusb_set_tx_mask()
888 		ir->tx_mask = (mask != MCE_DEFAULT_TX_MASK ?  in mceusb_set_tx_mask()
897 	struct mceusb_dev *ir = dev->priv;  in mceusb_set_tx_carrier()  local
904 	if (ir->carrier != carrier) {  in mceusb_set_tx_carrier()
907 			ir->carrier = carrier;  in mceusb_set_tx_carrier()
910 			dev_dbg(ir->dev, "disabling carrier modulation");  in mceusb_set_tx_carrier()
911 			mce_async_out(ir, cmdbuf, sizeof(cmdbuf));  in mceusb_set_tx_carrier()
918 				ir->carrier = carrier;  in mceusb_set_tx_carrier()
921 				dev_dbg(ir->dev, "requesting %u HZ carrier",  in mceusb_set_tx_carrier()
925 				mce_async_out(ir, cmdbuf, sizeof(cmdbuf));  in mceusb_set_tx_carrier()
942 static void mceusb_handle_command(struct mceusb_dev *ir, int index)  in mceusb_handle_command()  argument
944 	u8 hi = ir->buf_in[index + 1] & 0xff;  in mceusb_handle_command()
945 	u8 lo = ir->buf_in[index + 2] & 0xff;  in mceusb_handle_command()
947 	switch (ir->buf_in[index]) {  in mceusb_handle_command()
950 		if ((ir->buf_in[index + 4] & 0xff) == 0x00)  in mceusb_handle_command()
951 			ir->txports_cabled |= 1 << hi;  in mceusb_handle_command()
956 		ir->rc->timeout = US_TO_NS((hi << 8 | lo) * MCE_TIME_UNIT);  in mceusb_handle_command()
959 		ir->num_txports = hi;  in mceusb_handle_command()
960 		ir->num_rxports = lo;  in mceusb_handle_command()
965 		ir->emver = hi;  in mceusb_handle_command()
968 		ir->tx_mask = hi;  in mceusb_handle_command()
971 		ir->learning_enabled = ((hi & 0x02) == 0x02);  in mceusb_handle_command()
972 		ir->rxports_active = hi;  in mceusb_handle_command()
975 		ir->need_reset = true;  in mceusb_handle_command()
982 static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len)  in mceusb_process_ir_data()  argument
989 	if (ir->flags.microsoft_gen1)  in mceusb_process_ir_data()
997 		switch (ir->parser_state) {  in mceusb_process_ir_data()
999 			ir->rem = mceusb_cmd_datasize(ir->cmd, ir->buf_in[i]);  in mceusb_process_ir_data()
1000 			mceusb_dev_printdata(ir, ir->buf_in, i - 1,  in mceusb_process_ir_data()
1001 					     ir->rem + 2, false);  in mceusb_process_ir_data()
1002 			mceusb_handle_command(ir, i);  in mceusb_process_ir_data()
1003 			ir->parser_state = CMD_DATA;  in mceusb_process_ir_data()
1006 			ir->rem--;  in mceusb_process_ir_data()
1008 			rawir.pulse = ((ir->buf_in[i] & MCE_PULSE_BIT) != 0);  in mceusb_process_ir_data()
1009 			rawir.duration = (ir->buf_in[i] & MCE_PULSE_MASK)  in mceusb_process_ir_data()
1012 			dev_dbg(ir->dev, "Storing %s with duration %d",  in mceusb_process_ir_data()
1016 			if (ir_raw_event_store_with_filter(ir->rc, &rawir))  in mceusb_process_ir_data()
1020 			ir->rem--;  in mceusb_process_ir_data()
1025 			ir->cmd = ir->buf_in[i];  in mceusb_process_ir_data()
1026 			if ((ir->cmd == MCE_CMD_PORT_IR) ||  in mceusb_process_ir_data()
1027 			    ((ir->cmd & MCE_PORT_MASK) !=  in mceusb_process_ir_data()
1029 				ir->parser_state = SUBCMD;  in mceusb_process_ir_data()
1032 			ir->rem = (ir->cmd & MCE_PACKET_LENGTH_MASK);  in mceusb_process_ir_data()
1033 			mceusb_dev_printdata(ir, ir->buf_in,  in mceusb_process_ir_data()
1034 					     i, ir->rem + 1, false);  in mceusb_process_ir_data()
1035 			if (ir->rem)  in mceusb_process_ir_data()
1036 				ir->parser_state = PARSE_IRDATA;  in mceusb_process_ir_data()
1038 				ir_raw_event_reset(ir->rc);  in mceusb_process_ir_data()
1042 		if (ir->parser_state != CMD_HEADER && !ir->rem)  in mceusb_process_ir_data()
1043 			ir->parser_state = CMD_HEADER;  in mceusb_process_ir_data()
1046 		dev_dbg(ir->dev, "processed IR data");  in mceusb_process_ir_data()
1047 		ir_raw_event_handle(ir->rc);  in mceusb_process_ir_data()
1053 	struct mceusb_dev *ir;  in mceusb_dev_recv()  local
1059 	ir = urb->context;  in mceusb_dev_recv()
1060 	if (!ir) {  in mceusb_dev_recv()
1067 	if (ir->send_flags == RECV_FLAG_IN_PROGRESS) {  in mceusb_dev_recv()
1068 		ir->send_flags = SEND_FLAG_COMPLETE;  in mceusb_dev_recv()
1069 		dev_dbg(ir->dev, "setup answer received %d bytes\n",  in mceusb_dev_recv()
1076 		mceusb_process_ir_data(ir, buf_len);  in mceusb_dev_recv()
1088 		dev_err(ir->dev, "Error: urb status = %d", urb->status);  in mceusb_dev_recv()
1095 static void mceusb_get_emulator_version(struct mceusb_dev *ir)  in mceusb_get_emulator_version()  argument
1098 	ir->emver = 1;  in mceusb_get_emulator_version()
1099 	mce_async_out(ir, GET_EMVER, sizeof(GET_EMVER));  in mceusb_get_emulator_version()
1102 static void mceusb_gen1_init(struct mceusb_dev *ir)  in mceusb_gen1_init()  argument
1105 	struct device *dev = ir->dev;  in mceusb_gen1_init()
1118 	ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0),  in mceusb_gen1_init()
1126 	ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0),  in mceusb_gen1_init()
1133 	ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0),  in mceusb_gen1_init()
1139 	ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0),  in mceusb_gen1_init()
1145 	mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME));  in mceusb_gen1_init()
1148 	mce_async_out(ir, GET_REVISION, sizeof(GET_REVISION));  in mceusb_gen1_init()
1153 static void mceusb_gen2_init(struct mceusb_dev *ir)  in mceusb_gen2_init()  argument
1156 	mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME));  in mceusb_gen2_init()
1159 	mce_async_out(ir, GET_WAKEVERSION, sizeof(GET_WAKEVERSION));  in mceusb_gen2_init()
1162 	mce_async_out(ir, GET_UNKNOWN2, sizeof(GET_UNKNOWN2));  in mceusb_gen2_init()
1165 static void mceusb_get_parameters(struct mceusb_dev *ir)  in mceusb_get_parameters()  argument
1172 	ir->num_txports = 2;  in mceusb_get_parameters()
1173 	ir->num_rxports = 2;  in mceusb_get_parameters()
1176 	mce_async_out(ir, GET_NUM_PORTS, sizeof(GET_NUM_PORTS));  in mceusb_get_parameters()
1179 	mce_async_out(ir, GET_CARRIER_FREQ, sizeof(GET_CARRIER_FREQ));  in mceusb_get_parameters()
1181 	if (ir->num_txports && !ir->flags.no_tx)  in mceusb_get_parameters()
1183 		mce_async_out(ir, GET_TX_BITMASK, sizeof(GET_TX_BITMASK));  in mceusb_get_parameters()
1186 	mce_async_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT));  in mceusb_get_parameters()
1189 	mce_async_out(ir, GET_RX_SENSOR, sizeof(GET_RX_SENSOR));  in mceusb_get_parameters()
1191 	for (i = 0; i < ir->num_txports; i++) {  in mceusb_get_parameters()
1193 		mce_async_out(ir, cmdbuf, sizeof(cmdbuf));  in mceusb_get_parameters()
1197 static void mceusb_flash_led(struct mceusb_dev *ir)  in mceusb_flash_led()  argument
1199 	if (ir->emver < 2)  in mceusb_flash_led()
1202 	mce_async_out(ir, FLASH_LED, sizeof(FLASH_LED));  in mceusb_flash_led()
1205 static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir)  in mceusb_init_rc_dev()  argument
1207 	struct usb_device *udev = ir->usbdev;  in mceusb_init_rc_dev()
1208 	struct device *dev = ir->dev;  in mceusb_init_rc_dev()
1218 	snprintf(ir->name, sizeof(ir->name), "%s (%04x:%04x)",  in mceusb_init_rc_dev()
1219 		 mceusb_model[ir->model].name ?  in mceusb_init_rc_dev()
1220 			mceusb_model[ir->model].name :  in mceusb_init_rc_dev()
1222 		 le16_to_cpu(ir->usbdev->descriptor.idVendor),  in mceusb_init_rc_dev()
1223 		 le16_to_cpu(ir->usbdev->descriptor.idProduct));  in mceusb_init_rc_dev()
1225 	usb_make_path(ir->usbdev, ir->phys, sizeof(ir->phys));  in mceusb_init_rc_dev()
1227 	rc->input_name = ir->name;  in mceusb_init_rc_dev()
1228 	rc->input_phys = ir->phys;  in mceusb_init_rc_dev()
1229 	usb_to_input_id(ir->usbdev, &rc->input_id);  in mceusb_init_rc_dev()
1231 	rc->priv = ir;  in mceusb_init_rc_dev()
1235 	if (!ir->flags.no_tx) {  in mceusb_init_rc_dev()
1252 	if (mceusb_model[ir->model].rc_map)  in mceusb_init_rc_dev()
1253 		rc->map_name = mceusb_model[ir->model].rc_map;  in mceusb_init_rc_dev()
1276 	struct mceusb_dev *ir = NULL;  in mceusb_dev_probe()  local
1335 	ir = kzalloc(sizeof(struct mceusb_dev), GFP_KERNEL);  in mceusb_dev_probe()
1336 	if (!ir)  in mceusb_dev_probe()
1339 	ir->buf_in = usb_alloc_coherent(dev, maxp, GFP_ATOMIC, &ir->dma_in);  in mceusb_dev_probe()
1340 	if (!ir->buf_in)  in mceusb_dev_probe()
1343 	ir->urb_in = usb_alloc_urb(0, GFP_KERNEL);  in mceusb_dev_probe()
1344 	if (!ir->urb_in)  in mceusb_dev_probe()
1347 	ir->usbdev = usb_get_dev(dev);  in mceusb_dev_probe()
1348 	ir->dev = &intf->dev;  in mceusb_dev_probe()
1349 	ir->len_in = maxp;  in mceusb_dev_probe()
1350 	ir->flags.microsoft_gen1 = is_microsoft_gen1;  in mceusb_dev_probe()
1351 	ir->flags.tx_mask_normal = tx_mask_normal;  in mceusb_dev_probe()
1352 	ir->flags.no_tx = mceusb_model[model].no_tx;  in mceusb_dev_probe()
1353 	ir->model = model;  in mceusb_dev_probe()
1356 	ir->usb_ep_out = ep_out;  in mceusb_dev_probe()
1368 	ir->rc = mceusb_init_rc_dev(ir);  in mceusb_dev_probe()
1369 	if (!ir->rc)  in mceusb_dev_probe()
1373 	usb_fill_int_urb(ir->urb_in, dev, pipe, ir->buf_in, maxp,  in mceusb_dev_probe()
1374 				mceusb_dev_recv, ir, ep_in->bInterval);  in mceusb_dev_probe()
1375 	ir->urb_in->transfer_dma = ir->dma_in;  in mceusb_dev_probe()
1376 	ir->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;  in mceusb_dev_probe()
1380 	mce_flush_rx_buffer(ir, maxp);  in mceusb_dev_probe()
1383 	mceusb_get_emulator_version(ir);  in mceusb_dev_probe()
1386 	if (ir->flags.microsoft_gen1)  in mceusb_dev_probe()
1387 		mceusb_gen1_init(ir);  in mceusb_dev_probe()
1389 		mceusb_gen2_init(ir);  in mceusb_dev_probe()
1391 	mceusb_get_parameters(ir);  in mceusb_dev_probe()
1393 	mceusb_flash_led(ir);  in mceusb_dev_probe()
1395 	if (!ir->flags.no_tx)  in mceusb_dev_probe()
1396 		mceusb_set_tx_mask(ir->rc, MCE_DEFAULT_TX_MASK);  in mceusb_dev_probe()
1398 	usb_set_intfdata(intf, ir);  in mceusb_dev_probe()
1401 	device_set_wakeup_capable(ir->dev, true);  in mceusb_dev_probe()
1402 	device_set_wakeup_enable(ir->dev, true);  in mceusb_dev_probe()
1405 		name, ir->emver);  in mceusb_dev_probe()
1407 		 ir->num_txports, ir->txports_cabled,  in mceusb_dev_probe()
1408 		 ir->num_rxports, ir->rxports_active);  in mceusb_dev_probe()
1414 	usb_put_dev(ir->usbdev);  in mceusb_dev_probe()
1415 	usb_free_urb(ir->urb_in);  in mceusb_dev_probe()
1417 	usb_free_coherent(dev, maxp, ir->buf_in, ir->dma_in);  in mceusb_dev_probe()
1419 	kfree(ir);  in mceusb_dev_probe()
1430 	struct mceusb_dev *ir = usb_get_intfdata(intf);  in mceusb_dev_disconnect()  local
1434 	if (!ir)  in mceusb_dev_disconnect()
1437 	ir->usbdev = NULL;  in mceusb_dev_disconnect()
1438 	rc_unregister_device(ir->rc);  in mceusb_dev_disconnect()
1439 	usb_kill_urb(ir->urb_in);  in mceusb_dev_disconnect()
1440 	usb_free_urb(ir->urb_in);  in mceusb_dev_disconnect()
1441 	usb_free_coherent(dev, ir->len_in, ir->buf_in, ir->dma_in);  in mceusb_dev_disconnect()
1444 	kfree(ir);  in mceusb_dev_disconnect()
1449 	struct mceusb_dev *ir = usb_get_intfdata(intf);  in mceusb_dev_suspend()  local
1450 	dev_info(ir->dev, "suspend");  in mceusb_dev_suspend()
1451 	usb_kill_urb(ir->urb_in);  in mceusb_dev_suspend()
1457 	struct mceusb_dev *ir = usb_get_intfdata(intf);  in mceusb_dev_resume()  local
1458 	dev_info(ir->dev, "resume");  in mceusb_dev_resume()
1459 	if (usb_submit_urb(ir->urb_in, GFP_ATOMIC))  in mceusb_dev_resume()