138 struct usblp {  struct
139 	struct usb_device	*dev;			/* USB device */
140 	struct mutex		wmut;
141 	struct mutex		mut;
142 	spinlock_t		lock;		/* locks rcomplete, wcomplete */
143 	char			*readbuf;		/* read transfer_buffer */
144 	char			*statusbuf;		/* status transfer_buffer */
145 	struct usb_anchor	urbs;
146 	wait_queue_head_t	rwait, wwait;
147 	int			readcount;		/* Counter for reads */
148 	int			ifnum;			/* Interface number */
149 	struct usb_interface	*intf;			/* The interface */
173 static void usblp_dump(struct usblp *usblp)  in usblp_dump()
251 static int usblp_ctrl_msg(struct usblp *usblp, int request, int type, int dir, int recip, int value…  in usblp_ctrl_msg()
270 #define usblp_read_status(usblp, status)\  argument
272 #define usblp_get_id(usblp, config, id, maxlen)\  argument
274 #define usblp_reset(usblp)\  argument
277 #define usblp_hp_channel_change_request(usblp, channel, buffer) \  argument
293 	struct usblp *usblp = urb->context;  in usblp_bulk_read()  local
316 	struct usblp *usblp = urb->context;  in usblp_bulk_write()  local
344 static int usblp_check_status(struct usblp *usblp, int err)  in usblp_check_status()
375 static int handle_bidir(struct usblp *usblp)  in handle_bidir()
391 	struct usblp *usblp;  in usblp_open()  local
439 static void usblp_cleanup(struct usblp *usblp)  in usblp_cleanup()
449 static void usblp_unlink_urbs(struct usblp *usblp)  in usblp_unlink_urbs()
456 	struct usblp *usblp = file->private_data;  in usblp_release()  local
477 	struct usblp *usblp = file->private_data;  in usblp_poll()  local
490 	struct usblp *usblp = file->private_data;  in usblp_ioctl()  local
683 static struct urb *usblp_new_writeurb(struct usblp *usblp, int transfer_length)  in usblp_new_writeurb()
706 	struct usblp *usblp = file->private_data;  in usblp_write()  local
804 	struct usblp *usblp = file->private_data;  in usblp_read()  local
856 static int usblp_wwait(struct usblp *usblp, int nonblock)  in usblp_wwait()
894 static int usblp_wtest(struct usblp *usblp, int nonblock)  in usblp_wtest()
920 static int usblp_rwait_and_lock(struct usblp *usblp, int nonblock)  in usblp_rwait_and_lock()
946 static int usblp_rtest(struct usblp *usblp, int nonblock)  in usblp_rtest()
968 static int usblp_submit_read(struct usblp *usblp)  in usblp_submit_read()
1063 	struct usblp *usblp = usb_get_intfdata(intf);  in usblp_show_ieee1284_id()  local
1078 	struct usblp *usblp;  in usblp_probe()  local
1209 static int usblp_select_alts(struct usblp *usblp)  in usblp_select_alts()
1286 static int usblp_set_protocol(struct usblp *usblp, int protocol)  in usblp_set_protocol()
1312 static int usblp_cache_device_id_string(struct usblp *usblp)  in usblp_cache_device_id_string()
1342 	struct usblp *usblp = usb_get_intfdata(intf);  in usblp_disconnect()  local
1370 	struct usblp *usblp = usb_get_intfdata(intf);  in usblp_suspend()  local
1384 	struct usblp *usblp = usb_get_intfdata(intf);  in usblp_resume()  local