Lines Matching full:serial
3 * Prolific PL2303 USB to serial adaptor driver
10 * See Documentation/usb/usb-serial.rst for more information on using this
20 #include <linux/serial.h>
26 #include <linux/usb/serial.h>
242 static int pl2303_vendor_read(struct usb_serial *serial, u16 value, in pl2303_vendor_read() argument
245 struct pl2303_serial_private *spriv = usb_get_serial_data(serial); in pl2303_vendor_read()
246 struct device *dev = &serial->interface->dev; in pl2303_vendor_read()
255 res = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), in pl2303_vendor_read()
272 static int pl2303_vendor_write(struct usb_serial *serial, u16 value, u16 index) in pl2303_vendor_write() argument
274 struct pl2303_serial_private *spriv = usb_get_serial_data(serial); in pl2303_vendor_write()
275 struct device *dev = &serial->interface->dev; in pl2303_vendor_write()
286 res = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), in pl2303_vendor_write()
298 static int pl2303_update_reg(struct usb_serial *serial, u8 reg, u8 mask, u8 val) in pl2303_update_reg() argument
300 struct pl2303_serial_private *spriv = usb_get_serial_data(serial); in pl2303_update_reg()
309 ret = pl2303_vendor_read(serial, reg, buf); in pl2303_update_reg()
311 ret = pl2303_vendor_read(serial, reg | 0x80, buf); in pl2303_update_reg()
319 ret = pl2303_vendor_write(serial, reg, *buf); in pl2303_update_reg()
326 static int pl2303_probe(struct usb_serial *serial, in pl2303_probe() argument
329 usb_set_serial_data(serial, (void *)id->driver_info); in pl2303_probe()
339 static int pl2303_endpoint_hack(struct usb_serial *serial, in pl2303_endpoint_hack() argument
342 struct usb_interface *interface = serial->interface; in pl2303_endpoint_hack()
343 struct usb_device *dev = serial->dev; in pl2303_endpoint_hack()
369 static int pl2303_calc_num_ports(struct usb_serial *serial, in pl2303_calc_num_ports() argument
372 unsigned long quirks = (unsigned long)usb_get_serial_data(serial); in pl2303_calc_num_ports()
373 struct device *dev = &serial->interface->dev; in pl2303_calc_num_ports()
377 ret = pl2303_endpoint_hack(serial, epds); in pl2303_calc_num_ports()
390 static bool pl2303_supports_hx_status(struct usb_serial *serial) in pl2303_supports_hx_status() argument
395 ret = usb_control_msg_recv(serial->dev, 0, VENDOR_READ_REQUEST, in pl2303_supports_hx_status()
402 static int pl2303_detect_type(struct usb_serial *serial) in pl2303_detect_type() argument
404 struct usb_device_descriptor *desc = &serial->dev->descriptor; in pl2303_detect_type()
443 if (pl2303_supports_hx_status(serial)) in pl2303_detect_type()
451 if (pl2303_supports_hx_status(serial)) in pl2303_detect_type()
464 dev_err(&serial->interface->dev, in pl2303_detect_type()
469 static int pl2303_startup(struct usb_serial *serial) in pl2303_startup() argument
476 ret = pl2303_detect_type(serial); in pl2303_startup()
481 dev_dbg(&serial->interface->dev, "device type: %s\n", pl2303_type_data[type].name); in pl2303_startup()
488 spriv->quirks = (unsigned long)usb_get_serial_data(serial); in pl2303_startup()
491 usb_set_serial_data(serial, spriv); in pl2303_startup()
500 pl2303_vendor_read(serial, 0x8484, buf); in pl2303_startup()
501 pl2303_vendor_write(serial, 0x0404, 0); in pl2303_startup()
502 pl2303_vendor_read(serial, 0x8484, buf); in pl2303_startup()
503 pl2303_vendor_read(serial, 0x8383, buf); in pl2303_startup()
504 pl2303_vendor_read(serial, 0x8484, buf); in pl2303_startup()
505 pl2303_vendor_write(serial, 0x0404, 1); in pl2303_startup()
506 pl2303_vendor_read(serial, 0x8484, buf); in pl2303_startup()
507 pl2303_vendor_read(serial, 0x8383, buf); in pl2303_startup()
508 pl2303_vendor_write(serial, 0, 1); in pl2303_startup()
509 pl2303_vendor_write(serial, 1, 0); in pl2303_startup()
511 pl2303_vendor_write(serial, 2, 0x24); in pl2303_startup()
513 pl2303_vendor_write(serial, 2, 0x44); in pl2303_startup()
521 static void pl2303_release(struct usb_serial *serial) in pl2303_release() argument
523 struct pl2303_serial_private *spriv = usb_get_serial_data(serial); in pl2303_release()
554 struct usb_device *dev = port->serial->dev; in pl2303_set_control_lines()
691 struct usb_serial *serial = port->serial; in pl2303_encode_baud_rate() local
692 struct pl2303_serial_private *spriv = usb_get_serial_data(serial); in pl2303_encode_baud_rate()
727 struct usb_device *udev = port->serial->dev; in pl2303_get_line_request()
750 struct usb_device *udev = port->serial->dev; in pl2303_set_line_request()
795 struct usb_serial *serial = port->serial; in pl2303_set_termios() local
796 struct pl2303_serial_private *spriv = usb_get_serial_data(serial); in pl2303_set_termios()
871 * Some PL2303 are known to lose bytes if you change serial settings in pl2303_set_termios()
905 pl2303_update_reg(serial, 0, PL2303_FLOWCTRL_MASK, 0x40); in pl2303_set_termios()
907 pl2303_update_reg(serial, PL2303_HXN_FLOWCTRL_REG, in pl2303_set_termios()
911 pl2303_update_reg(serial, 0, PL2303_FLOWCTRL_MASK, 0x60); in pl2303_set_termios()
915 pl2303_update_reg(serial, PL2303_HXN_FLOWCTRL_REG, in pl2303_set_termios()
919 pl2303_update_reg(serial, 0, PL2303_FLOWCTRL_MASK, 0xc0); in pl2303_set_termios()
923 pl2303_update_reg(serial, PL2303_HXN_FLOWCTRL_REG, in pl2303_set_termios()
927 pl2303_update_reg(serial, 0, PL2303_FLOWCTRL_MASK, 0); in pl2303_set_termios()
960 struct usb_serial *serial = port->serial; in pl2303_open() local
961 struct pl2303_serial_private *spriv = usb_get_serial_data(serial); in pl2303_open()
965 usb_clear_halt(serial->dev, port->write_urb->pipe); in pl2303_open()
966 usb_clear_halt(serial->dev, port->read_urb->pipe); in pl2303_open()
970 pl2303_vendor_write(serial, PL2303_HXN_RESET_REG, in pl2303_open()
974 pl2303_vendor_write(serial, 8, 0); in pl2303_open()
975 pl2303_vendor_write(serial, 9, 0); in pl2303_open()
1065 struct usb_serial *serial = port->serial; in pl2303_set_break() local
1077 result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), in pl2303_set_break()
1099 struct usb_serial *serial = port->serial; in pl2303_update_line_status() local
1100 struct pl2303_serial_private *spriv = usb_get_serial_data(serial); in pl2303_update_line_status()
1271 MODULE_DESCRIPTION("Prolific PL2303 USB to serial adaptor driver");