10  * See Documentation/usb/usb-serial.rst for more information on using this
25 #include <linux/usb/serial.h>
36 	struct usb_serial	*serial;  member
49 #define XIRCOM_FAKE_ID_2		0x8025 /* "PGMFHUB" serial */
79 	struct usb_serial *serial = port->serial;  in keyspan_pda_get_write_room()  local
87 	rc = usb_control_msg(serial->dev,  in keyspan_pda_get_write_room()
88 			     usb_rcvctrlpipe(serial->dev, 0),  in keyspan_pda_get_write_room()
117 	struct usb_serial *serial = port->serial;  in keyspan_pda_request_unthrottle()  local
127 	result = usb_control_msg(serial->dev,  in keyspan_pda_request_unthrottle()
128 				 usb_sndctrlpipe(serial->dev, 0),  in keyspan_pda_request_unthrottle()
138 		dev_dbg(&serial->dev->dev, "%s - error %d from usb_control_msg\n",  in keyspan_pda_request_unthrottle()
254 static speed_t keyspan_pda_setbaud(struct usb_serial *serial, speed_t baud)  in keyspan_pda_setbaud()  argument
295 	rc = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),  in keyspan_pda_setbaud()
314 	struct usb_serial *serial = port->serial;  in keyspan_pda_break_ctl()  local
323 	result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),  in keyspan_pda_break_ctl()
335 	struct usb_serial *serial = port->serial;  in keyspan_pda_set_termios()  local
360 	speed = keyspan_pda_setbaud(serial, speed);  in keyspan_pda_set_termios()
380 static int keyspan_pda_get_modem_info(struct usb_serial *serial,  in keyspan_pda_get_modem_info()  argument
390 	rc = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),  in keyspan_pda_get_modem_info()
403 static int keyspan_pda_set_modem_info(struct usb_serial *serial,  in keyspan_pda_set_modem_info()  argument
407 	rc = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),  in keyspan_pda_set_modem_info()
417 	struct usb_serial *serial = port->serial;  in keyspan_pda_tiocmget()  local
422 	rc = keyspan_pda_get_modem_info(serial, &status);  in keyspan_pda_tiocmget()
440 	struct usb_serial *serial = port->serial;  in keyspan_pda_tiocmset()  local
444 	rc = keyspan_pda_get_modem_info(serial, &status);  in keyspan_pda_tiocmset()
457 	rc = keyspan_pda_set_modem_info(serial, status);  in keyspan_pda_tiocmset()
566 	struct usb_serial *serial = port->serial;  in keyspan_pda_dtr_rts()  local
569 		keyspan_pda_set_modem_info(serial, BIT(7) | BIT(2));  in keyspan_pda_dtr_rts()
571 		keyspan_pda_set_modem_info(serial, 0);  in keyspan_pda_dtr_rts()
618 static int keyspan_pda_fake_startup(struct usb_serial *serial)  in keyspan_pda_fake_startup()  argument
620 	unsigned int vid = le16_to_cpu(serial->dev->descriptor.idVendor);  in keyspan_pda_fake_startup()
624 	ezusb_fx1_set_reset(serial->dev, 1);  in keyspan_pda_fake_startup()
635 		dev_err(&serial->dev->dev, "%s: unknown vendor, aborting.\n",  in keyspan_pda_fake_startup()
640 	if (ezusb_fx1_ihex_firmware_download(serial->dev, fw_name) < 0) {  in keyspan_pda_fake_startup()
641 		dev_err(&serial->dev->dev, "failed to load firmware \"%s\"\n",  in keyspan_pda_fake_startup()