63 #define ftip_command(dev, command, value, index) \  argument
64 	usb_control_msg (dev->udev, usb_sndctrlpipe (dev->udev, 0), command, \
129 static int idmouse_create_image(struct usb_idmouse *dev)  in idmouse_create_image()  argument
135 	memcpy(dev->bulk_in_buffer, HEADER, sizeof(HEADER)-1);  in idmouse_create_image()
139 	result = ftip_command(dev, FTIP_RELEASE, 0, 0);  in idmouse_create_image()
142 	result = ftip_command(dev, FTIP_BLINK,   1, 0);  in idmouse_create_image()
148 	result = ftip_command(dev, FTIP_ACQUIRE, 0, 0);  in idmouse_create_image()
151 	result = ftip_command(dev, FTIP_ACQUIRE, 0, 0);  in idmouse_create_image()
157 	result = ftip_command(dev, FTIP_RESET,   0, 0);  in idmouse_create_image()
160 	result = ftip_command(dev, FTIP_RESET,   0, 0);  in idmouse_create_image()
166 		result = usb_bulk_msg (dev->udev,  in idmouse_create_image()
167 				usb_rcvbulkpipe (dev->udev, dev->bulk_in_endpointAddr),  in idmouse_create_image()
168 				dev->bulk_in_buffer + bytes_read,  in idmouse_create_image()
169 				dev->bulk_in_size, &bulk_read, 5000);  in idmouse_create_image()
173 			if (dev->bulk_in_size != dev->orig_bi_size) {  in idmouse_create_image()
174 				dev->bulk_in_size = dev->orig_bi_size;  in idmouse_create_image()
188 	ftip_command(dev, FTIP_RELEASE, 0, 0);  in idmouse_create_image()
193 		if (dev->bulk_in_buffer[bytes_read] != 0x00)  in idmouse_create_image()
198 		if (dev->bulk_in_buffer[bytes_read] != 0xFF)  in idmouse_create_image()
202 	dev_dbg(&dev->interface->dev, "read %d bytes fingerprint data\n",  in idmouse_create_image()
218 static inline void idmouse_delete(struct usb_idmouse *dev)  in idmouse_delete()  argument
220 	kfree(dev->bulk_in_buffer);  in idmouse_delete()
221 	kfree(dev);  in idmouse_delete()
226 	struct usb_idmouse *dev;  in idmouse_open()  local
237 	dev = usb_get_intfdata(interface);  in idmouse_open()
238 	if (!dev) {  in idmouse_open()
244 	mutex_lock(&dev->lock);  in idmouse_open()
248 	if (dev->open) {  in idmouse_open()
259 		result = idmouse_create_image (dev);  in idmouse_open()
265 		++dev->open;  in idmouse_open()
268 		file->private_data = dev;  in idmouse_open()
275 	mutex_unlock(&dev->lock);  in idmouse_open()
281 	struct usb_idmouse *dev;  in idmouse_release()  local
283 	dev = file->private_data;  in idmouse_release()
285 	if (dev == NULL)  in idmouse_release()
290 	mutex_lock(&dev->lock);  in idmouse_release()
293 	if (dev->open <= 0) {  in idmouse_release()
294 		mutex_unlock(&dev->lock);  in idmouse_release()
299 	--dev->open;  in idmouse_release()
301 	if (!dev->present) {  in idmouse_release()
303 		mutex_unlock(&dev->lock);  in idmouse_release()
305 		idmouse_delete(dev);  in idmouse_release()
307 		mutex_unlock(&dev->lock);  in idmouse_release()
316 	struct usb_idmouse *dev = file->private_data;  in idmouse_read()  local
320 	mutex_lock(&dev->lock);  in idmouse_read()
323 	if (!dev->present) {  in idmouse_read()
324 		mutex_unlock(&dev->lock);  in idmouse_read()
329 					dev->bulk_in_buffer, IMGSIZE);  in idmouse_read()
331 	mutex_unlock(&dev->lock);  in idmouse_read()
339 	struct usb_idmouse *dev;  in idmouse_probe()  local
350 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);  in idmouse_probe()
351 	if (dev == NULL)  in idmouse_probe()
354 	mutex_init(&dev->lock);  in idmouse_probe()
355 	dev->udev = udev;  in idmouse_probe()
356 	dev->interface = interface;  in idmouse_probe()
360 	if (!dev->bulk_in_endpointAddr && usb_endpoint_is_bulk_in(endpoint)) {  in idmouse_probe()
362 		dev->orig_bi_size = usb_endpoint_maxp(endpoint);  in idmouse_probe()
363 		dev->bulk_in_size = 0x200; /* works _much_ faster */  in idmouse_probe()
364 		dev->bulk_in_endpointAddr = endpoint->bEndpointAddress;  in idmouse_probe()
365 		dev->bulk_in_buffer =  in idmouse_probe()
366 			kmalloc(IMGSIZE + dev->bulk_in_size, GFP_KERNEL);  in idmouse_probe()
368 		if (!dev->bulk_in_buffer) {  in idmouse_probe()
369 			dev_err(&interface->dev, "Unable to allocate input buffer.\n");  in idmouse_probe()
370 			idmouse_delete(dev);  in idmouse_probe()
375 	if (!(dev->bulk_in_endpointAddr)) {  in idmouse_probe()
376 		dev_err(&interface->dev, "Unable to find bulk-in endpoint.\n");  in idmouse_probe()
377 		idmouse_delete(dev);  in idmouse_probe()
381 	dev->present = 1;  in idmouse_probe()
384 	usb_set_intfdata(interface, dev);  in idmouse_probe()
388 		dev_err(&interface->dev, "Unable to allocate minor number.\n");  in idmouse_probe()
390 		idmouse_delete(dev);  in idmouse_probe()
395 	dev_info(&interface->dev,"%s now attached\n",DRIVER_DESC);  in idmouse_probe()
402 	struct usb_idmouse *dev;  in idmouse_disconnect()  local
405 	dev = usb_get_intfdata(interface);  in idmouse_disconnect()
413 	mutex_lock(&dev->lock);  in idmouse_disconnect()
417 	dev->present = 0;  in idmouse_disconnect()
420 	if (!dev->open) {  in idmouse_disconnect()
421 		mutex_unlock(&dev->lock);  in idmouse_disconnect()
422 		idmouse_delete(dev);  in idmouse_disconnect()
425 		mutex_unlock(&dev->lock);  in idmouse_disconnect()
428 	dev_info(&interface->dev, "disconnected\n");  in idmouse_disconnect()