#define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Bill Ryder <bryder@sgi.com>, Kuba Ober <kuba@mareimbrium.org>, Andreas Mohr, Johan Hovold <jhovold@gmail.com>"
#define DRIVER_DESC "USB FTDI Serial Converters Driver"
+enum ftdi_chip_type {
+ SIO,
+ FT232A,
+ FT232B,
+ FT2232C,
+ FT232R,
+ FT232H,
+ FT2232H,
+ FT4232H,
+ FT4232HA,
+ FT232HP,
+ FT233HP,
+ FT2232HP,
+ FT2233HP,
+ FT4232HP,
+ FT4233HP,
+ FTX,
+};
struct ftdi_private {
enum ftdi_chip_type chip_type;
- /* type of device, either SIO or FT8U232AM */
int baud_base; /* baud base clock for divisor setting */
int custom_divisor; /* custom_divisor kludge, this is for
baud_base (different from what goes to the
unsigned long last_dtr_rts; /* saved modem control outputs */
char prev_status; /* Used for TIOCMIWAIT */
char transmit_empty; /* If transmitter is empty or not */
- u16 interface; /* FT2232C, FT2232H or FT4232H port interface
- (0 for FT232/245) */
+ u16 channel; /* channel index, or 0 for legacy types */
speed_t force_baud; /* if non-zero, force the baud rate to
this value */
#endif
};
-/* struct ftdi_sio_quirk is used by devices requiring special attention. */
-struct ftdi_sio_quirk {
+struct ftdi_quirk {
int (*probe)(struct usb_serial *);
/* Special settings for probed ports. */
void (*port_probe)(struct ftdi_private *);
static void ftdi_USB_UIRT_setup(struct ftdi_private *priv);
static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
-static const struct ftdi_sio_quirk ftdi_jtag_quirk = {
+static const struct ftdi_quirk ftdi_jtag_quirk = {
.probe = ftdi_jtag_probe,
};
-static const struct ftdi_sio_quirk ftdi_NDI_device_quirk = {
+static const struct ftdi_quirk ftdi_NDI_device_quirk = {
.probe = ftdi_NDI_device_setup,
};
-static const struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
+static const struct ftdi_quirk ftdi_USB_UIRT_quirk = {
.port_probe = ftdi_USB_UIRT_setup,
};
-static const struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
+static const struct ftdi_quirk ftdi_HE_TIRA1_quirk = {
.port_probe = ftdi_HE_TIRA1_setup,
};
-static const struct ftdi_sio_quirk ftdi_stmclite_quirk = {
+static const struct ftdi_quirk ftdi_stmclite_quirk = {
.probe = ftdi_stmclite_probe,
};
-static const struct ftdi_sio_quirk ftdi_8u2232c_quirk = {
+static const struct ftdi_quirk ftdi_8u2232c_quirk = {
.probe = ftdi_8u2232c_probe,
};
{ USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_232H_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_FTX_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_FT2233HP_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_FT4233HP_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_FT2232HP_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_FT4232HP_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_FT233HP_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_FT232HP_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_FT4232HA_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
MODULE_DEVICE_TABLE(usb, id_table_combined);
static const char *ftdi_chip_name[] = {
- [SIO] = "SIO", /* the serial part of FT8U100AX */
- [FT8U232AM] = "FT8U232AM",
- [FT232BM] = "FT232BM",
- [FT2232C] = "FT2232C",
- [FT232RL] = "FT232RL",
- [FT2232H] = "FT2232H",
- [FT4232H] = "FT4232H",
- [FT232H] = "FT232H",
- [FTX] = "FT-X"
+ [SIO] = "SIO", /* the serial part of FT8U100AX */
+ [FT232A] = "FT232A",
+ [FT232B] = "FT232B",
+ [FT2232C] = "FT2232C/D",
+ [FT232R] = "FT232R",
+ [FT232H] = "FT232H",
+ [FT2232H] = "FT2232H",
+ [FT4232H] = "FT4232H",
+ [FT4232HA] = "FT4232HA",
+ [FT232HP] = "FT232HP",
+ [FT233HP] = "FT233HP",
+ [FT2232HP] = "FT2232HP",
+ [FT2233HP] = "FT2233HP",
+ [FT4232HP] = "FT4232HP",
+ [FT4233HP] = "FT4233HP",
+ [FTX] = "FT-X",
};
#define FTDI_STATUS_B1_MASK (FTDI_RS_BI)
/* End TIOCMIWAIT */
-/* function prototypes for a FTDI serial converter */
-static int ftdi_sio_probe(struct usb_serial *serial,
- const struct usb_device_id *id);
-static int ftdi_sio_port_probe(struct usb_serial_port *port);
-static void ftdi_sio_port_remove(struct usb_serial_port *port);
-static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port);
-static void ftdi_dtr_rts(struct usb_serial_port *port, int on);
-static void ftdi_process_read_urb(struct urb *urb);
-static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
- void *dest, size_t size);
static void ftdi_set_termios(struct tty_struct *tty,
struct usb_serial_port *port,
const struct ktermios *old_termios);
-static int ftdi_tiocmget(struct tty_struct *tty);
-static int ftdi_tiocmset(struct tty_struct *tty,
- unsigned int set, unsigned int clear);
-static int ftdi_ioctl(struct tty_struct *tty,
- unsigned int cmd, unsigned long arg);
-static void get_serial_info(struct tty_struct *tty, struct serial_struct *ss);
-static int set_serial_info(struct tty_struct *tty,
- struct serial_struct *ss);
-static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
-static bool ftdi_tx_empty(struct usb_serial_port *port);
static int ftdi_get_modem_status(struct usb_serial_port *port,
unsigned char status[2]);
-static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
-static unsigned short int ftdi_232am_baud_to_divisor(int baud);
-static u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
-static u32 ftdi_232bm_baud_to_divisor(int baud);
-static u32 ftdi_2232h_baud_base_to_divisor(int baud, int base);
-static u32 ftdi_2232h_baud_to_divisor(int baud);
-
-static struct usb_serial_driver ftdi_sio_device = {
- .driver = {
- .owner = THIS_MODULE,
- .name = "ftdi_sio",
- },
- .description = "FTDI USB Serial Device",
- .id_table = id_table_combined,
- .num_ports = 1,
- .bulk_in_size = 512,
- .bulk_out_size = 256,
- .probe = ftdi_sio_probe,
- .port_probe = ftdi_sio_port_probe,
- .port_remove = ftdi_sio_port_remove,
- .open = ftdi_open,
- .dtr_rts = ftdi_dtr_rts,
- .throttle = usb_serial_generic_throttle,
- .unthrottle = usb_serial_generic_unthrottle,
- .process_read_urb = ftdi_process_read_urb,
- .prepare_write_buffer = ftdi_prepare_write_buffer,
- .tiocmget = ftdi_tiocmget,
- .tiocmset = ftdi_tiocmset,
- .tiocmiwait = usb_serial_generic_tiocmiwait,
- .get_icount = usb_serial_generic_get_icount,
- .ioctl = ftdi_ioctl,
- .get_serial = get_serial_info,
- .set_serial = set_serial_info,
- .set_termios = ftdi_set_termios,
- .break_ctl = ftdi_break_ctl,
- .tx_empty = ftdi_tx_empty,
-};
-
-static struct usb_serial_driver * const serial_drivers[] = {
- &ftdi_sio_device, NULL
-};
-
-
#define WDR_TIMEOUT 5000 /* default urb timeout */
#define WDR_SHORT_TIMEOUT 1000 /* shorter urb timeout */
usb_sndctrlpipe(port->serial->dev, 0),
FTDI_SIO_SET_MODEM_CTRL_REQUEST,
FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
- value, priv->interface,
+ value, priv->channel,
NULL, 0, WDR_TIMEOUT);
if (rv < 0) {
dev_dbg(dev, "%s Error from MODEM_CTRL urb: DTR %s, RTS %s\n",
if (!baud)
baud = 9600;
switch (priv->chip_type) {
- case SIO: /* SIO chip */
+ case SIO:
switch (baud) {
case 300: div_value = ftdi_sio_b300; break;
case 600: div_value = ftdi_sio_b600; break;
case 38400: div_value = ftdi_sio_b38400; break;
case 57600: div_value = ftdi_sio_b57600; break;
case 115200: div_value = ftdi_sio_b115200; break;
- } /* baud */
- if (div_value == 0) {
+ default:
dev_dbg(dev, "%s - Baudrate (%d) requested is not supported\n",
__func__, baud);
div_value = ftdi_sio_b9600;
div_okay = 0;
}
break;
- case FT8U232AM: /* 8U232AM chip */
+ case FT232A:
if (baud <= 3000000) {
div_value = ftdi_232am_baud_to_divisor(baud);
} else {
div_okay = 0;
}
break;
- case FT232BM: /* FT232BM chip */
- case FT2232C: /* FT2232C chip */
- case FT232RL: /* FT232RL chip */
- case FTX: /* FT-X series */
+ case FT232B:
+ case FT2232C:
+ case FT232R:
+ case FTX:
if (baud <= 3000000) {
u16 product_id = le16_to_cpu(
port->serial->dev->descriptor.idProduct);
baud = 9600;
}
break;
- case FT2232H: /* FT2232H chip */
- case FT4232H: /* FT4232H chip */
- case FT232H: /* FT232H chip */
+ default:
if ((baud <= 12000000) && (baud >= 1200)) {
div_value = ftdi_2232h_baud_to_divisor(baud);
} else if (baud < 1200) {
baud = 9600;
}
break;
- } /* priv->chip_type */
+ }
if (div_okay) {
dev_dbg(dev, "%s - Baud rate set to %d (divisor 0x%lX) on chip %s\n",
index_value = get_ftdi_divisor(tty, port);
value = (u16)index_value;
index = (u16)(index_value >> 16);
- if (priv->chip_type == FT2232C || priv->chip_type == FT2232H ||
- priv->chip_type == FT4232H || priv->chip_type == FT232H ||
- priv->chip_type == FTX) {
- /* Probably the BM type needs the MSB of the encoded fractional
- * divider also moved like for the chips above. Any infos? */
- index = (u16)((index << 8) | priv->interface);
- }
+ if (priv->channel)
+ index = (u16)((index << 8) | priv->channel);
rv = usb_control_msg(port->serial->dev,
usb_sndctrlpipe(port->serial->dev, 0),
int rv;
int l = priv->latency;
- if (priv->chip_type == SIO || priv->chip_type == FT8U232AM)
+ if (priv->chip_type == SIO || priv->chip_type == FT232A)
return -EINVAL;
if (priv->flags & ASYNC_LOW_LATENCY)
usb_sndctrlpipe(udev, 0),
FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
- l, priv->interface,
+ l, priv->channel,
NULL, 0, WDR_TIMEOUT);
if (rv < 0)
dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
rv = usb_control_msg_recv(udev, 0, FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE, 0,
- priv->interface, &buf, 1, WDR_TIMEOUT,
+ priv->channel, &buf, 1, WDR_TIMEOUT,
GFP_KERNEL);
if (rv == 0)
rv = buf;
struct ftdi_private *priv = usb_get_serial_port_data(port);
int rv;
- if (priv->chip_type == SIO || priv->chip_type == FT8U232AM)
+ if (priv->chip_type == SIO || priv->chip_type == FT232A)
return -EINVAL;
rv = _read_latency_timer(port);
return 0;
}
-
-/* Determine type of FTDI chip based on USB config and descriptor. */
-static void ftdi_determine_type(struct usb_serial_port *port)
+static int ftdi_determine_type(struct usb_serial_port *port)
{
struct ftdi_private *priv = usb_get_serial_port_data(port);
struct usb_serial *serial = port->serial;
struct usb_device *udev = serial->dev;
- unsigned version;
- unsigned interfaces;
-
- /* Assume it is not the original SIO device for now. */
- priv->baud_base = 48000000 / 2;
+ unsigned int version, ifnum;
version = le16_to_cpu(udev->descriptor.bcdDevice);
- interfaces = udev->actconfig->desc.bNumInterfaces;
- dev_dbg(&port->dev, "%s: bcdDevice = 0x%x, bNumInterfaces = %u\n", __func__,
- version, interfaces);
- if (interfaces > 1) {
- struct usb_interface *intf = serial->interface;
- int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
-
- /* Multiple interfaces.*/
- if (version == 0x0800) {
- priv->chip_type = FT4232H;
- /* Hi-speed - baud clock runs at 120MHz */
- priv->baud_base = 120000000 / 2;
- } else if (version == 0x0700) {
- priv->chip_type = FT2232H;
- /* Hi-speed - baud clock runs at 120MHz */
- priv->baud_base = 120000000 / 2;
- } else
- priv->chip_type = FT2232C;
-
- /* Determine interface code. */
- if (ifnum == 0)
- priv->interface = INTERFACE_A;
- else if (ifnum == 1)
- priv->interface = INTERFACE_B;
- else if (ifnum == 2)
- priv->interface = INTERFACE_C;
- else if (ifnum == 3)
- priv->interface = INTERFACE_D;
-
- /* BM-type devices have a bug where bcdDevice gets set
- * to 0x200 when iSerialNumber is 0. */
- if (version < 0x500) {
- dev_dbg(&port->dev,
- "%s: something fishy - bcdDevice too low for multi-interface device\n",
- __func__);
- }
- } else if (version < 0x200) {
- /* Old device. Assume it's the original SIO. */
- priv->chip_type = SIO;
- priv->baud_base = 12000000 / 16;
- } else if (version < 0x400) {
- /* Assume it's an FT8U232AM (or FT8U245AM) */
- priv->chip_type = FT8U232AM;
+ ifnum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
+
+ /* Assume Hi-Speed type */
+ priv->baud_base = 120000000 / 2;
+ priv->channel = CHANNEL_A + ifnum;
+
+ switch (version) {
+ case 0x200:
+ priv->chip_type = FT232A;
+ priv->baud_base = 48000000 / 2;
+ priv->channel = 0;
/*
- * It might be a BM type because of the iSerialNumber bug.
- * If iSerialNumber==0 and the latency timer is readable,
- * assume it is BM type.
+ * FT232B devices have a bug where bcdDevice gets set to 0x200
+ * when iSerialNumber is 0. Assume it is an FT232B in case the
+ * latency timer is readable.
*/
if (udev->descriptor.iSerialNumber == 0 &&
_read_latency_timer(port) >= 0) {
- dev_dbg(&port->dev,
- "%s: has latency timer so not an AM type\n",
- __func__);
- priv->chip_type = FT232BM;
+ priv->chip_type = FT232B;
}
- } else if (version < 0x600) {
- /* Assume it's an FT232BM (or FT245BM) */
- priv->chip_type = FT232BM;
- } else if (version < 0x900) {
- /* Assume it's an FT232RL */
- priv->chip_type = FT232RL;
- } else if (version < 0x1000) {
- /* Assume it's an FT232H */
+ break;
+ case 0x400:
+ priv->chip_type = FT232B;
+ priv->baud_base = 48000000 / 2;
+ priv->channel = 0;
+ break;
+ case 0x500:
+ priv->chip_type = FT2232C;
+ priv->baud_base = 48000000 / 2;
+ break;
+ case 0x600:
+ priv->chip_type = FT232R;
+ priv->baud_base = 48000000 / 2;
+ priv->channel = 0;
+ break;
+ case 0x700:
+ priv->chip_type = FT2232H;
+ break;
+ case 0x800:
+ priv->chip_type = FT4232H;
+ break;
+ case 0x900:
priv->chip_type = FT232H;
- } else {
- /* Assume it's an FT-X series device */
+ break;
+ case 0x1000:
priv->chip_type = FTX;
+ priv->baud_base = 48000000 / 2;
+ break;
+ case 0x2800:
+ priv->chip_type = FT2233HP;
+ break;
+ case 0x2900:
+ priv->chip_type = FT4233HP;
+ break;
+ case 0x3000:
+ priv->chip_type = FT2232HP;
+ break;
+ case 0x3100:
+ priv->chip_type = FT4232HP;
+ break;
+ case 0x3200:
+ priv->chip_type = FT233HP;
+ break;
+ case 0x3300:
+ priv->chip_type = FT232HP;
+ break;
+ case 0x3600:
+ priv->chip_type = FT4232HA;
+ break;
+ default:
+ if (version < 0x200) {
+ priv->chip_type = SIO;
+ priv->baud_base = 12000000 / 16;
+ priv->channel = 0;
+ } else {
+ dev_err(&port->dev, "unknown device type: 0x%02x\n", version);
+ return -ENODEV;
+ }
}
dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
+
+ return 0;
}
usb_sndctrlpipe(udev, 0),
FTDI_SIO_SET_EVENT_CHAR_REQUEST,
FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
- v, priv->interface,
+ v, priv->channel,
NULL, 0, WDR_TIMEOUT);
if (rv < 0) {
dev_dbg(&port->dev, "Unable to write event character: %i\n", rv);
}
static DEVICE_ATTR_WO(event_char);
-static int create_sysfs_attrs(struct usb_serial_port *port)
-{
- struct ftdi_private *priv = usb_get_serial_port_data(port);
- int retval = 0;
-
- /* XXX I've no idea if the original SIO supports the event_char
- * sysfs parameter, so I'm playing it safe. */
- if (priv->chip_type != SIO) {
- dev_dbg(&port->dev, "sysfs attributes for %s\n", ftdi_chip_name[priv->chip_type]);
- retval = device_create_file(&port->dev, &dev_attr_event_char);
- if ((!retval) &&
- (priv->chip_type == FT232BM ||
- priv->chip_type == FT2232C ||
- priv->chip_type == FT232RL ||
- priv->chip_type == FT2232H ||
- priv->chip_type == FT4232H ||
- priv->chip_type == FT232H ||
- priv->chip_type == FTX)) {
- retval = device_create_file(&port->dev,
- &dev_attr_latency_timer);
- }
- }
- return retval;
-}
+static struct attribute *ftdi_attrs[] = {
+ &dev_attr_event_char.attr,
+ &dev_attr_latency_timer.attr,
+ NULL
+};
-static void remove_sysfs_attrs(struct usb_serial_port *port)
+static umode_t ftdi_is_visible(struct kobject *kobj, struct attribute *attr, int idx)
{
+ struct device *dev = kobj_to_dev(kobj);
+ struct usb_serial_port *port = to_usb_serial_port(dev);
struct ftdi_private *priv = usb_get_serial_port_data(port);
+ enum ftdi_chip_type type = priv->chip_type;
- /* XXX see create_sysfs_attrs */
- if (priv->chip_type != SIO) {
- device_remove_file(&port->dev, &dev_attr_event_char);
- if (priv->chip_type == FT232BM ||
- priv->chip_type == FT2232C ||
- priv->chip_type == FT232RL ||
- priv->chip_type == FT2232H ||
- priv->chip_type == FT4232H ||
- priv->chip_type == FT232H ||
- priv->chip_type == FTX) {
- device_remove_file(&port->dev, &dev_attr_latency_timer);
- }
+ if (attr == &dev_attr_event_char.attr) {
+ if (type == SIO)
+ return 0;
+ }
+
+ if (attr == &dev_attr_latency_timer.attr) {
+ if (type == SIO || type == FT232A)
+ return 0;
}
+ return attr->mode;
}
+static const struct attribute_group ftdi_group = {
+ .attrs = ftdi_attrs,
+ .is_visible = ftdi_is_visible,
+};
+
+static const struct attribute_group *ftdi_groups[] = {
+ &ftdi_group,
+ NULL
+};
+
#ifdef CONFIG_GPIOLIB
static int ftdi_set_bitmode(struct usb_serial_port *port, u8 mode)
usb_sndctrlpipe(serial->dev, 0),
FTDI_SIO_SET_BITMODE_REQUEST,
FTDI_SIO_SET_BITMODE_REQUEST_TYPE, val,
- priv->interface, NULL, 0, WDR_TIMEOUT);
+ priv->channel, NULL, 0, WDR_TIMEOUT);
if (result < 0) {
dev_err(&serial->interface->dev,
"bitmode request failed for value 0x%04x: %d\n",
result = usb_control_msg_recv(serial->dev, 0,
FTDI_SIO_READ_PINS_REQUEST,
FTDI_SIO_READ_PINS_REQUEST_TYPE, 0,
- priv->interface, &buf, 1, WDR_TIMEOUT,
+ priv->channel, &buf, 1, WDR_TIMEOUT,
GFP_KERNEL);
if (result == 0)
result = buf;
case FT232H:
result = ftdi_gpio_init_ft232h(port);
break;
- case FT232RL:
+ case FT232R:
result = ftdi_gpio_init_ft232r(port);
break;
case FTX:
* ***************************************************************************
*/
-/* Probe function to check for special devices */
-static int ftdi_sio_probe(struct usb_serial *serial,
- const struct usb_device_id *id)
+static int ftdi_probe(struct usb_serial *serial, const struct usb_device_id *id)
{
- const struct ftdi_sio_quirk *quirk =
- (struct ftdi_sio_quirk *)id->driver_info;
+ const struct ftdi_quirk *quirk = (struct ftdi_quirk *)id->driver_info;
if (quirk && quirk->probe) {
int ret = quirk->probe(serial);
return 0;
}
-static int ftdi_sio_port_probe(struct usb_serial_port *port)
+static int ftdi_port_probe(struct usb_serial_port *port)
{
+ const struct ftdi_quirk *quirk = usb_get_serial_data(port->serial);
struct ftdi_private *priv;
- const struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
int result;
priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
usb_set_serial_port_data(port, priv);
- ftdi_determine_type(port);
+ result = ftdi_determine_type(port);
+ if (result)
+ goto err_free;
+
ftdi_set_max_packet_size(port);
if (read_latency_timer(port) < 0)
priv->latency = 16;
write_latency_timer(port);
- create_sysfs_attrs(port);
result = ftdi_gpio_init(port);
if (result < 0) {
}
return 0;
+
+err_free:
+ kfree(priv);
+
+ return result;
}
/* Setup for the USB-UIRT device, which requires hardwired
return 0;
}
-static void ftdi_sio_port_remove(struct usb_serial_port *port)
+static void ftdi_port_remove(struct usb_serial_port *port)
{
struct ftdi_private *priv = usb_get_serial_port_data(port);
ftdi_gpio_remove(port);
- remove_sysfs_attrs(port);
-
kfree(priv);
}
usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
FTDI_SIO_RESET_SIO,
- priv->interface, NULL, 0, WDR_TIMEOUT);
+ priv->channel, NULL, 0, WDR_TIMEOUT);
/* Termios defaults are set by usb_serial_init. We don't change
port->tty->termios - this would lose speed settings, etc.
usb_sndctrlpipe(port->serial->dev, 0),
FTDI_SIO_SET_FLOW_CTRL_REQUEST,
FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
- 0, priv->interface, NULL, 0,
+ 0, priv->channel, NULL, 0,
WDR_TIMEOUT) < 0) {
dev_err(&port->dev, "error from flowcontrol urb\n");
}
usb_sndctrlpipe(port->serial->dev, 0),
FTDI_SIO_SET_DATA_REQUEST,
FTDI_SIO_SET_DATA_REQUEST_TYPE,
- value , priv->interface,
+ value, priv->channel,
NULL, 0, WDR_TIMEOUT) < 0) {
dev_err(&port->dev, "%s FAILED to enable/disable break state (state was %d)\n",
__func__, break_state);
if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
FTDI_SIO_SET_DATA_REQUEST,
FTDI_SIO_SET_DATA_REQUEST_TYPE,
- value , priv->interface,
+ value, priv->channel,
NULL, 0, WDR_SHORT_TIMEOUT) < 0) {
dev_err(ddev, "%s FAILED to set databits/stopbits/parity\n",
__func__);
if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
FTDI_SIO_SET_FLOW_CTRL_REQUEST,
FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
- 0, priv->interface,
+ 0, priv->channel,
NULL, 0, WDR_TIMEOUT) < 0) {
dev_err(ddev, "%s error from disable flowcontrol urb\n",
__func__);
index = FTDI_SIO_DISABLE_FLOW_CTRL;
}
- index |= priv->interface;
+ index |= priv->channel;
ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
FTDI_SIO_SET_FLOW_CTRL_REQUEST,
if (!buf)
return -ENOMEM;
/*
- * The 8U232AM returns a two byte value (the SIO a 1 byte value) in
- * the same format as the data returned from the in point.
+ * The device returns a two byte value (the SIO a 1 byte value) in the
+ * same format as the data returned from the IN endpoint.
*/
- switch (priv->chip_type) {
- case SIO:
+ if (priv->chip_type == SIO)
len = 1;
- break;
- case FT8U232AM:
- case FT232BM:
- case FT2232C:
- case FT232RL:
- case FT2232H:
- case FT4232H:
- case FT232H:
- case FTX:
+ else
len = 2;
- break;
- default:
- ret = -EFAULT;
- goto out;
- }
ret = usb_control_msg(port->serial->dev,
usb_rcvctrlpipe(port->serial->dev, 0),
FTDI_SIO_GET_MODEM_STATUS_REQUEST,
FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
- 0, priv->interface,
+ 0, priv->channel,
buf, len, WDR_TIMEOUT);
/* NOTE: We allow short responses and handle that below. */
return -ENOIOCTLCMD;
}
+static struct usb_serial_driver ftdi_device = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "ftdi_sio",
+ .dev_groups = ftdi_groups,
+ },
+ .description = "FTDI USB Serial Device",
+ .id_table = id_table_combined,
+ .num_ports = 1,
+ .bulk_in_size = 512,
+ .bulk_out_size = 256,
+ .probe = ftdi_probe,
+ .port_probe = ftdi_port_probe,
+ .port_remove = ftdi_port_remove,
+ .open = ftdi_open,
+ .dtr_rts = ftdi_dtr_rts,
+ .throttle = usb_serial_generic_throttle,
+ .unthrottle = usb_serial_generic_unthrottle,
+ .process_read_urb = ftdi_process_read_urb,
+ .prepare_write_buffer = ftdi_prepare_write_buffer,
+ .tiocmget = ftdi_tiocmget,
+ .tiocmset = ftdi_tiocmset,
+ .tiocmiwait = usb_serial_generic_tiocmiwait,
+ .get_icount = usb_serial_generic_get_icount,
+ .ioctl = ftdi_ioctl,
+ .get_serial = get_serial_info,
+ .set_serial = set_serial_info,
+ .set_termios = ftdi_set_termios,
+ .break_ctl = ftdi_break_ctl,
+ .tx_empty = ftdi_tx_empty,
+};
+
+static struct usb_serial_driver * const serial_drivers[] = {
+ &ftdi_device, NULL
+};
module_usb_serial_driver(serial_drivers, id_table_combined);
MODULE_AUTHOR(DRIVER_AUTHOR);
projects / platform / kernel / linux-starfive.git / blobdiff