121 	struct usbtmc_device_data *data = to_usbtmc_data(kref);  in usbtmc_delete()  local
123 	usb_put_dev(data->usb_dev);  in usbtmc_delete()
129 	struct usbtmc_device_data *data;  in usbtmc_open()  local
138 	data = usb_get_intfdata(intf);  in usbtmc_open()
139 	kref_get(&data->kref);  in usbtmc_open()
142 	filp->private_data = data;  in usbtmc_open()
149 	struct usbtmc_device_data *data = file->private_data;  in usbtmc_release()  local
151 	kref_put(&data->kref, usbtmc_delete);  in usbtmc_release()
155 static int usbtmc_ioctl_abort_bulk_in(struct usbtmc_device_data *data)  in usbtmc_ioctl_abort_bulk_in()  argument
165 	dev = &data->intf->dev;  in usbtmc_ioctl_abort_bulk_in()
170 	rv = usb_control_msg(data->usb_dev,  in usbtmc_ioctl_abort_bulk_in()
171 			     usb_rcvctrlpipe(data->usb_dev, 0),  in usbtmc_ioctl_abort_bulk_in()
174 			     data->bTag_last_read, data->bulk_in,  in usbtmc_ioctl_abort_bulk_in()
197 	current_setting = data->intf->cur_altsetting;  in usbtmc_ioctl_abort_bulk_in()
200 			data->bulk_in)  in usbtmc_ioctl_abort_bulk_in()
209 	dev_dbg(&data->intf->dev, "wMaxPacketSize is %d\n", max_size);  in usbtmc_ioctl_abort_bulk_in()
216 		rv = usb_bulk_msg(data->usb_dev,  in usbtmc_ioctl_abort_bulk_in()
217 				  usb_rcvbulkpipe(data->usb_dev,  in usbtmc_ioctl_abort_bulk_in()
218 						  data->bulk_in),  in usbtmc_ioctl_abort_bulk_in()
241 	rv = usb_control_msg(data->usb_dev,  in usbtmc_ioctl_abort_bulk_in()
242 			     usb_rcvctrlpipe(data->usb_dev, 0),  in usbtmc_ioctl_abort_bulk_in()
245 			     0, data->bulk_in, buffer, 0x08,  in usbtmc_ioctl_abort_bulk_in()
270 			rv = usb_bulk_msg(data->usb_dev,  in usbtmc_ioctl_abort_bulk_in()
271 					  usb_rcvbulkpipe(data->usb_dev,  in usbtmc_ioctl_abort_bulk_in()
272 							  data->bulk_in),  in usbtmc_ioctl_abort_bulk_in()
300 static int usbtmc_ioctl_abort_bulk_out(struct usbtmc_device_data *data)  in usbtmc_ioctl_abort_bulk_out()  argument
307 	dev = &data->intf->dev;  in usbtmc_ioctl_abort_bulk_out()
313 	rv = usb_control_msg(data->usb_dev,  in usbtmc_ioctl_abort_bulk_out()
314 			     usb_rcvctrlpipe(data->usb_dev, 0),  in usbtmc_ioctl_abort_bulk_out()
317 			     data->bTag_last_write, data->bulk_out,  in usbtmc_ioctl_abort_bulk_out()
337 	rv = usb_control_msg(data->usb_dev,  in usbtmc_ioctl_abort_bulk_out()
338 			     usb_rcvctrlpipe(data->usb_dev, 0),  in usbtmc_ioctl_abort_bulk_out()
341 			     0, data->bulk_out, buffer, 0x08,  in usbtmc_ioctl_abort_bulk_out()
362 	rv = usb_clear_halt(data->usb_dev,  in usbtmc_ioctl_abort_bulk_out()
363 			    usb_sndbulkpipe(data->usb_dev, data->bulk_out));  in usbtmc_ioctl_abort_bulk_out()
384 static int send_request_dev_dep_msg_in(struct usbtmc_device_data *data, size_t transfer_size)  in send_request_dev_dep_msg_in()  argument
397 	buffer[1] = data->bTag;  in send_request_dev_dep_msg_in()
398 	buffer[2] = ~data->bTag;  in send_request_dev_dep_msg_in()
404 	buffer[8] = data->TermCharEnabled * 2;  in send_request_dev_dep_msg_in()
406 	buffer[9] = data->TermChar;  in send_request_dev_dep_msg_in()
411 	retval = usb_bulk_msg(data->usb_dev,  in send_request_dev_dep_msg_in()
412 			      usb_sndbulkpipe(data->usb_dev,  in send_request_dev_dep_msg_in()
413 					      data->bulk_out),  in send_request_dev_dep_msg_in()
417 	data->bTag_last_write = data->bTag;  in send_request_dev_dep_msg_in()
420 	data->bTag++;  in send_request_dev_dep_msg_in()
421 	if (!data->bTag)  in send_request_dev_dep_msg_in()
422 		data->bTag++;  in send_request_dev_dep_msg_in()
426 		dev_err(&data->intf->dev, "usb_bulk_msg in send_request_dev_dep_msg_in() returned %d\n", retval);  in send_request_dev_dep_msg_in()
436 	struct usbtmc_device_data *data;  in usbtmc_read()  local
447 	data = filp->private_data;  in usbtmc_read()
448 	dev = &data->intf->dev;  in usbtmc_read()
454 	mutex_lock(&data->io_mutex);  in usbtmc_read()
455 	if (data->zombie) {  in usbtmc_read()
460 	if (data->rigol_quirk) {  in usbtmc_read()
463 		retval = send_request_dev_dep_msg_in(data, count);  in usbtmc_read()
466 			if (data->auto_abort)  in usbtmc_read()
467 				usbtmc_ioctl_abort_bulk_out(data);  in usbtmc_read()
478 		if (!data->rigol_quirk) {  in usbtmc_read()
486 			retval = send_request_dev_dep_msg_in(data, this_part);  in usbtmc_read()
489 				if (data->auto_abort)  in usbtmc_read()
490 					usbtmc_ioctl_abort_bulk_out(data);  in usbtmc_read()
496 		retval = usb_bulk_msg(data->usb_dev,  in usbtmc_read()
497 				      usb_rcvbulkpipe(data->usb_dev,  in usbtmc_read()
498 						      data->bulk_in),  in usbtmc_read()
505 		data->bTag_last_read = data->bTag;  in usbtmc_read()
509 			if (data->auto_abort)  in usbtmc_read()
510 				usbtmc_ioctl_abort_bulk_in(data);  in usbtmc_read()
515 		if ((done == 0) || !data->rigol_quirk) {  in usbtmc_read()
519 				if (data->auto_abort)  in usbtmc_read()
520 					usbtmc_ioctl_abort_bulk_in(data);  in usbtmc_read()
526 				if (data->auto_abort)  in usbtmc_read()
527 					usbtmc_ioctl_abort_bulk_in(data);  in usbtmc_read()
531 			if (buffer[1] != data->bTag_last_write) {  in usbtmc_read()
532 				dev_err(dev, "Device sent reply with wrong bTag: %u != %u\n", buffer[1], data->bTag_last_write);  in usbtmc_read()
533 				if (data->auto_abort)  in usbtmc_read()
534 					usbtmc_ioctl_abort_bulk_in(data);  in usbtmc_read()
546 				if (data->auto_abort)  in usbtmc_read()
547 					usbtmc_ioctl_abort_bulk_in(data);  in usbtmc_read()
555 			if (data->rigol_quirk) {  in usbtmc_read()
612 	mutex_unlock(&data->io_mutex);  in usbtmc_read()
620 	struct usbtmc_device_data *data;  in usbtmc_write()  local
629 	data = filp->private_data;  in usbtmc_write()
635 	mutex_lock(&data->io_mutex);  in usbtmc_write()
636 	if (data->zombie) {  in usbtmc_write()
655 		buffer[1] = data->bTag;  in usbtmc_write()
656 		buffer[2] = ~data->bTag;  in usbtmc_write()
676 			retval = usb_bulk_msg(data->usb_dev,  in usbtmc_write()
677 					      usb_sndbulkpipe(data->usb_dev,  in usbtmc_write()
678 							      data->bulk_out),  in usbtmc_write()
686 		data->bTag_last_write = data->bTag;  in usbtmc_write()
687 		data->bTag++;  in usbtmc_write()
689 		if (!data->bTag)  in usbtmc_write()
690 			data->bTag++;  in usbtmc_write()
693 			dev_err(&data->intf->dev,  in usbtmc_write()
695 			if (data->auto_abort)  in usbtmc_write()
696 				usbtmc_ioctl_abort_bulk_out(data);  in usbtmc_write()
706 	mutex_unlock(&data->io_mutex);  in usbtmc_write()
711 static int usbtmc_ioctl_clear(struct usbtmc_device_data *data)  in usbtmc_ioctl_clear()  argument
722 	dev = &data->intf->dev;  in usbtmc_ioctl_clear()
730 	rv = usb_control_msg(data->usb_dev,  in usbtmc_ioctl_clear()
731 			     usb_rcvctrlpipe(data->usb_dev, 0),  in usbtmc_ioctl_clear()
749 	current_setting = data->intf->cur_altsetting;  in usbtmc_ioctl_clear()
752 		if (desc->bEndpointAddress == data->bulk_in)  in usbtmc_ioctl_clear()
770 	rv = usb_control_msg(data->usb_dev,  in usbtmc_ioctl_clear()
771 			     usb_rcvctrlpipe(data->usb_dev, 0),  in usbtmc_ioctl_clear()
795 			rv = usb_bulk_msg(data->usb_dev,  in usbtmc_ioctl_clear()
796 					  usb_rcvbulkpipe(data->usb_dev,  in usbtmc_ioctl_clear()
797 							  data->bulk_in),  in usbtmc_ioctl_clear()
821 	rv = usb_clear_halt(data->usb_dev,  in usbtmc_ioctl_clear()
822 			    usb_sndbulkpipe(data->usb_dev, data->bulk_out));  in usbtmc_ioctl_clear()
834 static int usbtmc_ioctl_clear_out_halt(struct usbtmc_device_data *data)  in usbtmc_ioctl_clear_out_halt()  argument
838 	rv = usb_clear_halt(data->usb_dev,  in usbtmc_ioctl_clear_out_halt()
839 			    usb_sndbulkpipe(data->usb_dev, data->bulk_out));  in usbtmc_ioctl_clear_out_halt()
842 		dev_err(&data->usb_dev->dev, "usb_control_msg returned %d\n",  in usbtmc_ioctl_clear_out_halt()
849 static int usbtmc_ioctl_clear_in_halt(struct usbtmc_device_data *data)  in usbtmc_ioctl_clear_in_halt()  argument
853 	rv = usb_clear_halt(data->usb_dev,  in usbtmc_ioctl_clear_in_halt()
854 			    usb_rcvbulkpipe(data->usb_dev, data->bulk_in));  in usbtmc_ioctl_clear_in_halt()
857 		dev_err(&data->usb_dev->dev, "usb_control_msg returned %d\n",  in usbtmc_ioctl_clear_in_halt()
864 static int get_capabilities(struct usbtmc_device_data *data)  in get_capabilities()  argument
866 	struct device *dev = &data->usb_dev->dev;  in get_capabilities()
874 	rv = usb_control_msg(data->usb_dev, usb_rcvctrlpipe(data->usb_dev, 0),  in get_capabilities()
894 	data->capabilities.interface_capabilities = buffer[4];  in get_capabilities()
895 	data->capabilities.device_capabilities = buffer[5];  in get_capabilities()
896 	data->capabilities.usb488_interface_capabilities = buffer[14];  in get_capabilities()
897 	data->capabilities.usb488_device_capabilities = buffer[15];  in get_capabilities()
910 	struct usbtmc_device_data *data = usb_get_intfdata(intf);	\
912 	return sprintf(buf, "%d\n", data->capabilities.name);		\
937 	struct usbtmc_device_data *data = usb_get_intfdata(intf);  in TermChar_show()  local
939 	return sprintf(buf, "%c\n", data->TermChar);  in TermChar_show()
947 	struct usbtmc_device_data *data = usb_get_intfdata(intf);  in TermChar_store()  local
951 	data->TermChar = buf[0];  in TermChar_store()
961 	struct usbtmc_device_data *data = usb_get_intfdata(intf);	\
963 	return sprintf(buf, "%d\n", data->name);			\
970 	struct usbtmc_device_data *data = usb_get_intfdata(intf);	\
977 	data->name = val;						\
999 static int usbtmc_ioctl_indicator_pulse(struct usbtmc_device_data *data)  in usbtmc_ioctl_indicator_pulse()  argument
1005 	dev = &data->intf->dev;  in usbtmc_ioctl_indicator_pulse()
1011 	rv = usb_control_msg(data->usb_dev,  in usbtmc_ioctl_indicator_pulse()
1012 			     usb_rcvctrlpipe(data->usb_dev, 0),  in usbtmc_ioctl_indicator_pulse()
1038 	struct usbtmc_device_data *data;  in usbtmc_ioctl()  local
1041 	data = file->private_data;  in usbtmc_ioctl()
1042 	mutex_lock(&data->io_mutex);  in usbtmc_ioctl()
1043 	if (data->zombie) {  in usbtmc_ioctl()
1050 		retval = usbtmc_ioctl_clear_out_halt(data);  in usbtmc_ioctl()
1054 		retval = usbtmc_ioctl_clear_in_halt(data);  in usbtmc_ioctl()
1058 		retval = usbtmc_ioctl_indicator_pulse(data);  in usbtmc_ioctl()
1062 		retval = usbtmc_ioctl_clear(data);  in usbtmc_ioctl()
1066 		retval = usbtmc_ioctl_abort_bulk_out(data);  in usbtmc_ioctl()
1070 		retval = usbtmc_ioctl_abort_bulk_in(data);  in usbtmc_ioctl()
1075 	mutex_unlock(&data->io_mutex);  in usbtmc_ioctl()
1099 	struct usbtmc_device_data *data;  in usbtmc_probe()  local
1107 	data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);  in usbtmc_probe()
1108 	if (!data)  in usbtmc_probe()
1111 	data->intf = intf;  in usbtmc_probe()
1112 	data->id = id;  in usbtmc_probe()
1113 	data->usb_dev = usb_get_dev(interface_to_usbdev(intf));  in usbtmc_probe()
1114 	usb_set_intfdata(intf, data);  in usbtmc_probe()
1115 	kref_init(&data->kref);  in usbtmc_probe()
1116 	mutex_init(&data->io_mutex);  in usbtmc_probe()
1117 	data->zombie = 0;  in usbtmc_probe()
1120 	data->rigol_quirk = 0;  in usbtmc_probe()
1122 		le16_to_cpu(data->usb_dev->descriptor.idVendor),  in usbtmc_probe()
1123 		le16_to_cpu(data->usb_dev->descriptor.idProduct));  in usbtmc_probe()
1125 		if ((usbtmc_id_quirk[n].idVendor == le16_to_cpu(data->usb_dev->descriptor.idVendor)) &&  in usbtmc_probe()
1126 		    (usbtmc_id_quirk[n].idProduct == le16_to_cpu(data->usb_dev->descriptor.idProduct))) {  in usbtmc_probe()
1128 			data->rigol_quirk = 1;  in usbtmc_probe()
1134 	data->bTag	= 1;  in usbtmc_probe()
1135 	data->TermCharEnabled = 0;  in usbtmc_probe()
1136 	data->TermChar = '\n';  in usbtmc_probe()
1139 	iface_desc = data->intf->cur_altsetting;  in usbtmc_probe()
1146 			data->bulk_in = endpoint->bEndpointAddress;  in usbtmc_probe()
1148 				data->bulk_in);  in usbtmc_probe()
1158 			data->bulk_out = endpoint->bEndpointAddress;  in usbtmc_probe()
1160 				data->bulk_out);  in usbtmc_probe()
1165 	retcode = get_capabilities(data);  in usbtmc_probe()
1188 	kref_put(&data->kref, usbtmc_delete);  in usbtmc_probe()
1194 	struct usbtmc_device_data *data;  in usbtmc_disconnect()  local
1198 	data = usb_get_intfdata(intf);  in usbtmc_disconnect()
1202 	mutex_lock(&data->io_mutex);  in usbtmc_disconnect()
1203 	data->zombie = 1;  in usbtmc_disconnect()
1204 	mutex_unlock(&data->io_mutex);  in usbtmc_disconnect()
1205 	kref_put(&data->kref, usbtmc_delete);  in usbtmc_disconnect()