* modify it under the terms of the GNU General Public License version
* 2 as published by the Free Software Foundation.
*
- * See Documentation/usb/usb-serial.txt for more information on using this driver
+ * See Documentation/usb/usb-serial.txt for more information on using this
+ * driver
*
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/spinlock.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
#include "pl2303.h"
{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_DCU11) },
{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_RSAQ3) },
{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_PHAROS) },
+ { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_ALDIGA) },
+ { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MMX) },
+ { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_GPRS) },
{ USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID) },
{ USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) },
{ USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID) },
{ USB_DEVICE(ITEGNO_VENDOR_ID, ITEGNO_PRODUCT_ID_2080) },
{ USB_DEVICE(MA620_VENDOR_ID, MA620_PRODUCT_ID) },
{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID) },
- { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
{ USB_DEVICE(TRIPP_VENDOR_ID, TRIPP_PRODUCT_ID) },
{ USB_DEVICE(RADIOSHACK_VENDOR_ID, RADIOSHACK_PRODUCT_ID) },
{ USB_DEVICE(DCU10_VENDOR_ID, DCU10_PRODUCT_ID) },
{ USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_X65) },
{ USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_X75) },
{ USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_EF81) },
+ { USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_ID_S81) }, /* Benq/Siemens S81 */
{ USB_DEVICE(SYNTECH_VENDOR_ID, SYNTECH_PRODUCT_ID) },
{ USB_DEVICE(NOKIA_CA42_VENDOR_ID, NOKIA_CA42_PRODUCT_ID) },
{ USB_DEVICE(CA_42_CA42_VENDOR_ID, CA_42_CA42_PRODUCT_ID) },
{ USB_DEVICE(ALCOR_VENDOR_ID, ALCOR_PRODUCT_ID) },
{ USB_DEVICE(WS002IN_VENDOR_ID, WS002IN_PRODUCT_ID) },
{ USB_DEVICE(COREGA_VENDOR_ID, COREGA_PRODUCT_ID) },
- { USB_DEVICE(HL340_VENDOR_ID, HL340_PRODUCT_ID) },
{ USB_DEVICE(YCCABLE_VENDOR_ID, YCCABLE_PRODUCT_ID) },
+ { USB_DEVICE(SUPERIAL_VENDOR_ID, SUPERIAL_PRODUCT_ID) },
+ { USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) },
+ { USB_DEVICE(CRESSI_VENDOR_ID, CRESSI_EDY_PRODUCT_ID) },
+ { USB_DEVICE(SONY_VENDOR_ID, SONY_QN3USB_PRODUCT_ID) },
+ { USB_DEVICE(SANWA_VENDOR_ID, SANWA_PRODUCT_ID) },
{ } /* Terminating entry */
};
#define CONTROL_RTS 0x02
#define BREAK_REQUEST_TYPE 0x21
-#define BREAK_REQUEST 0x23
+#define BREAK_REQUEST 0x23
#define BREAK_ON 0xffff
#define BREAK_OFF 0x0000
wait_queue_head_t delta_msr_wait;
u8 line_control;
u8 line_status;
- u8 termios_initialized;
enum pl2303_type type;
};
if (pb == NULL)
return 0;
- return ((pb->buf_size + pb->buf_put - pb->buf_get) % pb->buf_size);
+ return (pb->buf_size + pb->buf_put - pb->buf_get) % pb->buf_size;
}
/*
if (pb == NULL)
return 0;
- return ((pb->buf_size + pb->buf_get - pb->buf_put - 1) % pb->buf_size);
+ return (pb->buf_size + pb->buf_get - pb->buf_put - 1) % pb->buf_size;
}
/*
cleanup:
kfree(buf);
- for (--i; i>=0; --i) {
+ for (--i; i >= 0; --i) {
priv = usb_get_serial_port_data(serial->port[i]);
pl2303_buf_free(priv->buf);
kfree(priv);
static int set_control_lines(struct usb_device *dev, u8 value)
{
int retval;
-
+
retval = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
SET_CONTROL_REQUEST, SET_CONTROL_REQUEST_TYPE,
value, 0, NULL, 0, 100);
- dbg("%s - value = %d, retval = %d", __FUNCTION__, value, retval);
+ dbg("%s - value = %d, retval = %d", __func__, value, retval);
return retval;
}
struct pl2303_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
- dbg("%s - port %d", __FUNCTION__, port->number);
+ dbg("%s - port %d", __func__, port->number);
spin_lock_irqsave(&priv->lock, flags);
spin_unlock_irqrestore(&priv->lock, flags);
- usb_serial_debug_data(debug, &port->dev, __FUNCTION__, count,
+ usb_serial_debug_data(debug, &port->dev, __func__, count,
port->write_urb->transfer_buffer);
port->write_urb->transfer_buffer_length = count;
result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
if (result) {
dev_err(&port->dev, "%s - failed submitting write urb,"
- " error %d\n", __FUNCTION__, result);
+ " error %d\n", __func__, result);
priv->write_urb_in_use = 0;
- // TODO: reschedule pl2303_send
+ /* TODO: reschedule pl2303_send */
}
usb_serial_port_softint(port);
}
-static int pl2303_write(struct usb_serial_port *port, const unsigned char *buf,
- int count)
+static int pl2303_write(struct tty_struct *tty, struct usb_serial_port *port,
+ const unsigned char *buf, int count)
{
struct pl2303_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
- dbg("%s - port %d, %d bytes", __FUNCTION__, port->number, count);
+ dbg("%s - port %d, %d bytes", __func__, port->number, count);
if (!count)
return count;
return count;
}
-static int pl2303_write_room(struct usb_serial_port *port)
+static int pl2303_write_room(struct tty_struct *tty)
{
+ struct usb_serial_port *port = tty->driver_data;
struct pl2303_private *priv = usb_get_serial_port_data(port);
int room = 0;
unsigned long flags;
- dbg("%s - port %d", __FUNCTION__, port->number);
+ dbg("%s - port %d", __func__, port->number);
spin_lock_irqsave(&priv->lock, flags);
room = pl2303_buf_space_avail(priv->buf);
spin_unlock_irqrestore(&priv->lock, flags);
- dbg("%s - returns %d", __FUNCTION__, room);
+ dbg("%s - returns %d", __func__, room);
return room;
}
-static int pl2303_chars_in_buffer(struct usb_serial_port *port)
+static int pl2303_chars_in_buffer(struct tty_struct *tty)
{
+ struct usb_serial_port *port = tty->driver_data;
struct pl2303_private *priv = usb_get_serial_port_data(port);
int chars = 0;
unsigned long flags;
- dbg("%s - port %d", __FUNCTION__, port->number);
+ dbg("%s - port %d", __func__, port->number);
spin_lock_irqsave(&priv->lock, flags);
chars = pl2303_buf_data_avail(priv->buf);
spin_unlock_irqrestore(&priv->lock, flags);
- dbg("%s - returns %d", __FUNCTION__, chars);
+ dbg("%s - returns %d", __func__, chars);
return chars;
}
-static void pl2303_set_termios(struct usb_serial_port *port,
- struct ktermios *old_termios)
+static void pl2303_set_termios(struct tty_struct *tty,
+ struct usb_serial_port *port, struct ktermios *old_termios)
{
struct usb_serial *serial = port->serial;
struct pl2303_private *priv = usb_get_serial_port_data(port);
int baud;
int i;
u8 control;
+ const int baud_sup[] = { 75, 150, 300, 600, 1200, 1800, 2400, 3600,
+ 4800, 7200, 9600, 14400, 19200, 28800, 38400,
+ 57600, 115200, 230400, 460800, 614400,
+ 921600, 1228800, 2457600, 3000000, 6000000 };
+ int baud_floor, baud_ceil;
+ int k;
- dbg("%s - port %d", __FUNCTION__, port->number);
-
- spin_lock_irqsave(&priv->lock, flags);
- if (!priv->termios_initialized) {
- *(port->tty->termios) = tty_std_termios;
- port->tty->termios->c_cflag = B9600 | CS8 | CREAD |
- HUPCL | CLOCAL;
- port->tty->termios->c_ispeed = 9600;
- port->tty->termios->c_ospeed = 9600;
- priv->termios_initialized = 1;
- }
- spin_unlock_irqrestore(&priv->lock, flags);
+ dbg("%s - port %d", __func__, port->number);
/* The PL2303 is reported to lose bytes if you change
serial settings even to the same values as before. Thus
we actually need to filter in this specific case */
- if (!tty_termios_hw_change(port->tty->termios, old_termios))
+ if (!tty_termios_hw_change(tty->termios, old_termios))
return;
- cflag = port->tty->termios->c_cflag;
+ cflag = tty->termios->c_cflag;
buf = kzalloc(7, GFP_KERNEL);
if (!buf) {
- dev_err(&port->dev, "%s - out of memory.\n", __FUNCTION__);
+ dev_err(&port->dev, "%s - out of memory.\n", __func__);
+ /* Report back no change occurred */
+ *tty->termios = *old_termios;
return;
}
if (cflag & CSIZE) {
switch (cflag & CSIZE) {
- case CS5: buf[6] = 5; break;
- case CS6: buf[6] = 6; break;
- case CS7: buf[6] = 7; break;
- default:
- case CS8: buf[6] = 8; break;
+ case CS5:
+ buf[6] = 5;
+ break;
+ case CS6:
+ buf[6] = 6;
+ break;
+ case CS7:
+ buf[6] = 7;
+ break;
+ default:
+ case CS8:
+ buf[6] = 8;
+ break;
}
- dbg("%s - data bits = %d", __FUNCTION__, buf[6]);
+ dbg("%s - data bits = %d", __func__, buf[6]);
}
- baud = tty_get_baud_rate(port->tty);;
- dbg("%s - baud = %d", __FUNCTION__, baud);
+ /* For reference buf[0]:buf[3] baud rate value */
+ /* NOTE: Only the values defined in baud_sup are supported !
+ * => if unsupported values are set, the PL2303 seems to use
+ * 9600 baud (at least my PL2303X always does)
+ */
+ baud = tty_get_baud_rate(tty);
+ dbg("%s - baud requested = %d", __func__, baud);
if (baud) {
+ /* Set baudrate to nearest supported value */
+ for (k=0; k<ARRAY_SIZE(baud_sup); k++) {
+ if (baud_sup[k] / baud) {
+ baud_ceil = baud_sup[k];
+ if (k==0) {
+ baud = baud_ceil;
+ } else {
+ baud_floor = baud_sup[k-1];
+ if ((baud_ceil % baud)
+ > (baud % baud_floor))
+ baud = baud_floor;
+ else
+ baud = baud_ceil;
+ }
+ break;
+ }
+ }
+ if (baud > 1228800) {
+ /* type_0, type_1 only support up to 1228800 baud */
+ if (priv->type != HX)
+ baud = 1228800;
+ else if (baud > 6000000)
+ baud = 6000000;
+ }
+ dbg("%s - baud set = %d", __func__, baud);
buf[0] = baud & 0xff;
buf[1] = (baud >> 8) & 0xff;
buf[2] = (baud >> 16) & 0xff;
/* For reference buf[4]=1 is 1.5 stop bits */
/* For reference buf[4]=2 is 2 stop bits */
if (cflag & CSTOPB) {
- buf[4] = 2;
- dbg("%s - stop bits = 2", __FUNCTION__);
+ /* NOTE: Comply with "real" UARTs / RS232:
+ * use 1.5 instead of 2 stop bits with 5 data bits
+ */
+ if ((cflag & CSIZE) == CS5) {
+ buf[4] = 1;
+ dbg("%s - stop bits = 1.5", __func__);
+ } else {
+ buf[4] = 2;
+ dbg("%s - stop bits = 2", __func__);
+ }
} else {
buf[4] = 0;
- dbg("%s - stop bits = 1", __FUNCTION__);
+ dbg("%s - stop bits = 1", __func__);
}
if (cflag & PARENB) {
/* For reference buf[5]=3 is mark parity */
/* For reference buf[5]=4 is space parity */
if (cflag & PARODD) {
- buf[5] = 1;
- dbg("%s - parity = odd", __FUNCTION__);
+ if (cflag & CMSPAR) {
+ buf[5] = 3;
+ dbg("%s - parity = mark", __func__);
+ } else {
+ buf[5] = 1;
+ dbg("%s - parity = odd", __func__);
+ }
} else {
- buf[5] = 2;
- dbg("%s - parity = even", __FUNCTION__);
+ if (cflag & CMSPAR) {
+ buf[5] = 4;
+ dbg("%s - parity = space", __func__);
+ } else {
+ buf[5] = 2;
+ dbg("%s - parity = even", __func__);
+ }
}
} else {
buf[5] = 0;
- dbg("%s - parity = none", __FUNCTION__);
+ dbg("%s - parity = none", __func__);
}
i = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
pl2303_vendor_write(0x0, 0x0, serial);
}
- /* FIXME: Need to read back resulting baud rate */
+ /* Save resulting baud rate */
if (baud)
- tty_encode_baud_rate(port->tty, baud, baud);
+ tty_encode_baud_rate(tty, baud, baud);
kfree(buf);
}
-static void pl2303_close(struct usb_serial_port *port, struct file *filp)
+static void pl2303_dtr_rts(struct usb_serial_port *port, int on)
+{
+ struct pl2303_private *priv = usb_get_serial_port_data(port);
+ unsigned long flags;
+ u8 control;
+
+ spin_lock_irqsave(&priv->lock, flags);
+ /* Change DTR and RTS */
+ if (on)
+ priv->line_control |= (CONTROL_DTR | CONTROL_RTS);
+ else
+ priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS);
+ control = priv->line_control;
+ spin_unlock_irqrestore(&priv->lock, flags);
+ set_control_lines(port->serial->dev, control);
+}
+
+static void pl2303_close(struct usb_serial_port *port)
{
struct pl2303_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
- unsigned int c_cflag;
- int bps;
- long timeout;
- wait_queue_t wait;
- dbg("%s - port %d", __FUNCTION__, port->number);
+ dbg("%s - port %d", __func__, port->number);
- /* wait for data to drain from the buffer */
spin_lock_irqsave(&priv->lock, flags);
- timeout = PL2303_CLOSING_WAIT;
- init_waitqueue_entry(&wait, current);
- add_wait_queue(&port->tty->write_wait, &wait);
- for (;;) {
- set_current_state(TASK_INTERRUPTIBLE);
- if (pl2303_buf_data_avail(priv->buf) == 0 ||
- timeout == 0 || signal_pending(current) ||
- !usb_get_intfdata(port->serial->interface)) /* disconnect */
- break;
- spin_unlock_irqrestore(&priv->lock, flags);
- timeout = schedule_timeout(timeout);
- spin_lock_irqsave(&priv->lock, flags);
- }
- set_current_state(TASK_RUNNING);
- remove_wait_queue(&port->tty->write_wait, &wait);
/* clear out any remaining data in the buffer */
pl2303_buf_clear(priv->buf);
spin_unlock_irqrestore(&priv->lock, flags);
- /* wait for characters to drain from the device */
- /* (this is long enough for the entire 256 byte */
- /* pl2303 hardware buffer to drain with no flow */
- /* control for data rates of 1200 bps or more, */
- /* for lower rates we should really know how much */
- /* data is in the buffer to compute a delay */
- /* that is not unnecessarily long) */
- bps = tty_get_baud_rate(port->tty);
- if (bps > 1200)
- timeout = max((HZ*2560)/bps,HZ/10);
- else
- timeout = 2*HZ;
- schedule_timeout_interruptible(timeout);
-
/* shutdown our urbs */
- dbg("%s - shutting down urbs", __FUNCTION__);
+ dbg("%s - shutting down urbs", __func__);
usb_kill_urb(port->write_urb);
usb_kill_urb(port->read_urb);
usb_kill_urb(port->interrupt_in_urb);
- if (port->tty) {
- c_cflag = port->tty->termios->c_cflag;
- if (c_cflag & HUPCL) {
- /* drop DTR and RTS */
- spin_lock_irqsave(&priv->lock, flags);
- priv->line_control = 0;
- spin_unlock_irqrestore(&priv->lock, flags);
- set_control_lines(port->serial->dev, 0);
- }
- }
}
-static int pl2303_open(struct usb_serial_port *port, struct file *filp)
+static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct ktermios tmp_termios;
struct usb_serial *serial = port->serial;
struct pl2303_private *priv = usb_get_serial_port_data(port);
int result;
- dbg("%s - port %d", __FUNCTION__, port->number);
+ dbg("%s - port %d", __func__, port->number);
if (priv->type != HX) {
usb_clear_halt(serial->dev, port->write_urb->pipe);
}
/* Setup termios */
- if (port->tty) {
- pl2303_set_termios(port, &tmp_termios);
- }
-
- //FIXME: need to assert RTS and DTR if CRTSCTS off
+ if (tty)
+ pl2303_set_termios(tty, port, &tmp_termios);
- dbg("%s - submitting read urb", __FUNCTION__);
+ dbg("%s - submitting read urb", __func__);
port->read_urb->dev = serial->dev;
result = usb_submit_urb(port->read_urb, GFP_KERNEL);
if (result) {
dev_err(&port->dev, "%s - failed submitting read urb,"
- " error %d\n", __FUNCTION__, result);
- pl2303_close(port, NULL);
+ " error %d\n", __func__, result);
+ pl2303_close(port);
return -EPROTO;
}
- dbg("%s - submitting interrupt urb", __FUNCTION__);
+ dbg("%s - submitting interrupt urb", __func__);
port->interrupt_in_urb->dev = serial->dev;
result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
if (result) {
dev_err(&port->dev, "%s - failed submitting interrupt urb,"
- " error %d\n", __FUNCTION__, result);
- pl2303_close(port, NULL);
+ " error %d\n", __func__, result);
+ pl2303_close(port);
return -EPROTO;
}
+ port->port.drain_delay = 256;
return 0;
}
-static int pl2303_tiocmset(struct usb_serial_port *port, struct file *file,
+static int pl2303_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear)
{
+ struct usb_serial_port *port = tty->driver_data;
struct pl2303_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
u8 control;
return set_control_lines(port->serial->dev, control);
}
-static int pl2303_tiocmget(struct usb_serial_port *port, struct file *file)
+static int pl2303_tiocmget(struct tty_struct *tty, struct file *file)
{
+ struct usb_serial_port *port = tty->driver_data;
struct pl2303_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
unsigned int mcr;
unsigned int status;
unsigned int result;
- dbg("%s (%d)", __FUNCTION__, port->number);
+ dbg("%s (%d)", __func__, port->number);
if (!usb_get_intfdata(port->serial->interface))
return -ENODEV;
| ((status & UART_RING) ? TIOCM_RI : 0)
| ((status & UART_DCD) ? TIOCM_CD : 0);
- dbg("%s - result = %x", __FUNCTION__, result);
+ dbg("%s - result = %x", __func__, result);
return result;
}
+static int pl2303_carrier_raised(struct usb_serial_port *port)
+{
+ struct pl2303_private *priv = usb_get_serial_port_data(port);
+ if (priv->line_status & UART_DCD)
+ return 1;
+ return 0;
+}
+
static int wait_modem_info(struct usb_serial_port *port, unsigned int arg)
{
struct pl2303_private *priv = usb_get_serial_port_data(port);
status = priv->line_status;
spin_unlock_irqrestore(&priv->lock, flags);
- changed=prevstatus^status;
+ changed = prevstatus ^ status;
if (((arg & TIOCM_RNG) && (changed & UART_RING)) ||
((arg & TIOCM_DSR) && (changed & UART_DSR)) ||
((arg & TIOCM_CD) && (changed & UART_DCD)) ||
- ((arg & TIOCM_CTS) && (changed & UART_CTS)) ) {
+ ((arg & TIOCM_CTS) && (changed & UART_CTS))) {
return 0;
}
prevstatus = status;
return 0;
}
-static int pl2303_ioctl(struct usb_serial_port *port, struct file *file,
+static int pl2303_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg)
{
- dbg("%s (%d) cmd = 0x%04x", __FUNCTION__, port->number, cmd);
+ struct usb_serial_port *port = tty->driver_data;
+ dbg("%s (%d) cmd = 0x%04x", __func__, port->number, cmd);
switch (cmd) {
- case TIOCMIWAIT:
- dbg("%s (%d) TIOCMIWAIT", __FUNCTION__, port->number);
- return wait_modem_info(port, arg);
-
- default:
- dbg("%s not supported = 0x%04x", __FUNCTION__, cmd);
- break;
+ case TIOCMIWAIT:
+ dbg("%s (%d) TIOCMIWAIT", __func__, port->number);
+ return wait_modem_info(port, arg);
+ default:
+ dbg("%s not supported = 0x%04x", __func__, cmd);
+ break;
}
-
return -ENOIOCTLCMD;
}
-static void pl2303_break_ctl(struct usb_serial_port *port, int break_state)
+static void pl2303_break_ctl(struct tty_struct *tty, int break_state)
{
+ struct usb_serial_port *port = tty->driver_data;
struct usb_serial *serial = port->serial;
u16 state;
int result;
- dbg("%s - port %d", __FUNCTION__, port->number);
+ dbg("%s - port %d", __func__, port->number);
if (break_state == 0)
state = BREAK_OFF;
else
state = BREAK_ON;
- dbg("%s - turning break %s", __FUNCTION__, state==BREAK_OFF ? "off" : "on");
+ dbg("%s - turning break %s", __func__,
+ state == BREAK_OFF ? "off" : "on");
result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
BREAK_REQUEST, BREAK_REQUEST_TYPE, state,
0, NULL, 0, 100);
if (result)
- dbg("%s - error sending break = %d", __FUNCTION__, result);
+ dbg("%s - error sending break = %d", __func__, result);
}
-static void pl2303_shutdown(struct usb_serial *serial)
+static void pl2303_release(struct usb_serial *serial)
{
int i;
struct pl2303_private *priv;
- dbg("%s", __FUNCTION__);
+ dbg("%s", __func__);
for (i = 0; i < serial->num_ports; ++i) {
priv = usb_get_serial_port_data(serial->port[i]);
if (priv) {
pl2303_buf_free(priv->buf);
kfree(priv);
- usb_set_serial_port_data(serial->port[i], NULL);
}
}
}
if (actual_length < length)
return;
- /* Save off the uart status for others to look at */
+ /* Save off the uart status for others to look at */
spin_lock_irqsave(&priv->lock, flags);
priv->line_status = data[status_idx];
spin_unlock_irqrestore(&priv->lock, flags);
+ if (priv->line_status & UART_BREAK_ERROR)
+ usb_serial_handle_break(port);
wake_up_interruptible(&priv->delta_msr_wait);
}
static void pl2303_read_int_callback(struct urb *urb)
{
- struct usb_serial_port *port = (struct usb_serial_port *) urb->context;
+ struct usb_serial_port *port = urb->context;
unsigned char *data = urb->transfer_buffer;
unsigned int actual_length = urb->actual_length;
int status = urb->status;
int retval;
- dbg("%s (%d)", __FUNCTION__, port->number);
+ dbg("%s (%d)", __func__, port->number);
switch (status) {
case 0:
case -ENOENT:
case -ESHUTDOWN:
/* this urb is terminated, clean up */
- dbg("%s - urb shutting down with status: %d", __FUNCTION__,
+ dbg("%s - urb shutting down with status: %d", __func__,
status);
return;
default:
- dbg("%s - nonzero urb status received: %d", __FUNCTION__,
+ dbg("%s - nonzero urb status received: %d", __func__,
status);
goto exit;
}
- usb_serial_debug_data(debug, &port->dev, __FUNCTION__,
+ usb_serial_debug_data(debug, &port->dev, __func__,
urb->actual_length, urb->transfer_buffer);
pl2303_update_line_status(port, data, actual_length);
if (retval)
dev_err(&urb->dev->dev,
"%s - usb_submit_urb failed with result %d\n",
- __FUNCTION__, retval);
+ __func__, retval);
+}
+
+static void pl2303_push_data(struct tty_struct *tty,
+ struct usb_serial_port *port, struct urb *urb,
+ u8 line_status)
+{
+ unsigned char *data = urb->transfer_buffer;
+ /* get tty_flag from status */
+ char tty_flag = TTY_NORMAL;
+ /* break takes precedence over parity, */
+ /* which takes precedence over framing errors */
+ if (line_status & UART_BREAK_ERROR)
+ tty_flag = TTY_BREAK;
+ else if (line_status & UART_PARITY_ERROR)
+ tty_flag = TTY_PARITY;
+ else if (line_status & UART_FRAME_ERROR)
+ tty_flag = TTY_FRAME;
+ dbg("%s - tty_flag = %d", __func__, tty_flag);
+
+ tty_buffer_request_room(tty, urb->actual_length + 1);
+ /* overrun is special, not associated with a char */
+ if (line_status & UART_OVERRUN_ERROR)
+ tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+
+ if (tty_flag == TTY_NORMAL && !(port->console && port->sysrq))
+ tty_insert_flip_string(tty, data, urb->actual_length);
+ else {
+ int i;
+ for (i = 0; i < urb->actual_length; ++i)
+ if (!usb_serial_handle_sysrq_char(tty, port, data[i]))
+ tty_insert_flip_char(tty, data[i], tty_flag);
+ }
+ tty_flip_buffer_push(tty);
}
static void pl2303_read_bulk_callback(struct urb *urb)
{
- struct usb_serial_port *port = (struct usb_serial_port *) urb->context;
+ struct usb_serial_port *port = urb->context;
struct pl2303_private *priv = usb_get_serial_port_data(port);
struct tty_struct *tty;
- unsigned char *data = urb->transfer_buffer;
unsigned long flags;
- int i;
int result;
int status = urb->status;
u8 line_status;
- char tty_flag;
- dbg("%s - port %d", __FUNCTION__, port->number);
+ dbg("%s - port %d", __func__, port->number);
if (status) {
- dbg("%s - urb status = %d", __FUNCTION__, status);
- if (!port->open_count) {
- dbg("%s - port is closed, exiting.", __FUNCTION__);
+ dbg("%s - urb status = %d", __func__, status);
+ if (!port->port.count) {
+ dbg("%s - port is closed, exiting.", __func__);
return;
}
if (status == -EPROTO) {
/* PL2303 mysteriously fails with -EPROTO reschedule
* the read */
dbg("%s - caught -EPROTO, resubmitting the urb",
- __FUNCTION__);
+ __func__);
urb->dev = port->serial->dev;
result = usb_submit_urb(urb, GFP_ATOMIC);
if (result)
dev_err(&urb->dev->dev, "%s - failed"
" resubmitting read urb, error %d\n",
- __FUNCTION__, result);
+ __func__, result);
return;
}
- dbg("%s - unable to handle the error, exiting.", __FUNCTION__);
+ dbg("%s - unable to handle the error, exiting.", __func__);
return;
}
- usb_serial_debug_data(debug, &port->dev, __FUNCTION__,
- urb->actual_length, data);
-
- /* get tty_flag from status */
- tty_flag = TTY_NORMAL;
+ usb_serial_debug_data(debug, &port->dev, __func__,
+ urb->actual_length, urb->transfer_buffer);
spin_lock_irqsave(&priv->lock, flags);
line_status = priv->line_status;
spin_unlock_irqrestore(&priv->lock, flags);
wake_up_interruptible(&priv->delta_msr_wait);
- /* break takes precedence over parity, */
- /* which takes precedence over framing errors */
- if (line_status & UART_BREAK_ERROR )
- tty_flag = TTY_BREAK;
- else if (line_status & UART_PARITY_ERROR)
- tty_flag = TTY_PARITY;
- else if (line_status & UART_FRAME_ERROR)
- tty_flag = TTY_FRAME;
- dbg("%s - tty_flag = %d", __FUNCTION__, tty_flag);
-
- tty = port->tty;
+ tty = tty_port_tty_get(&port->port);
if (tty && urb->actual_length) {
- tty_buffer_request_room(tty, urb->actual_length + 1);
- /* overrun is special, not associated with a char */
- if (line_status & UART_OVERRUN_ERROR)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
- for (i = 0; i < urb->actual_length; ++i)
- tty_insert_flip_char(tty, data[i], tty_flag);
- tty_flip_buffer_push(tty);
+ pl2303_push_data(tty, port, urb, line_status);
}
-
+ tty_kref_put(tty);
/* Schedule the next read _if_ we are still open */
- if (port->open_count) {
+ if (port->port.count) {
urb->dev = port->serial->dev;
result = usb_submit_urb(urb, GFP_ATOMIC);
if (result)
dev_err(&urb->dev->dev, "%s - failed resubmitting"
- " read urb, error %d\n", __FUNCTION__, result);
+ " read urb, error %d\n", __func__, result);
}
return;
static void pl2303_write_bulk_callback(struct urb *urb)
{
- struct usb_serial_port *port = (struct usb_serial_port *) urb->context;
+ struct usb_serial_port *port = urb->context;
struct pl2303_private *priv = usb_get_serial_port_data(port);
int result;
int status = urb->status;
- dbg("%s - port %d", __FUNCTION__, port->number);
+ dbg("%s - port %d", __func__, port->number);
switch (status) {
case 0:
case -ENOENT:
case -ESHUTDOWN:
/* this urb is terminated, clean up */
- dbg("%s - urb shutting down with status: %d", __FUNCTION__,
+ dbg("%s - urb shutting down with status: %d", __func__,
status);
priv->write_urb_in_use = 0;
return;
default:
/* error in the urb, so we have to resubmit it */
- dbg("%s - Overflow in write", __FUNCTION__);
- dbg("%s - nonzero write bulk status received: %d", __FUNCTION__,
+ dbg("%s - Overflow in write", __func__);
+ dbg("%s - nonzero write bulk status received: %d", __func__,
status);
port->write_urb->transfer_buffer_length = 1;
port->write_urb->dev = port->serial->dev;
result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
if (result)
dev_err(&urb->dev->dev, "%s - failed resubmitting write"
- " urb, error %d\n", __FUNCTION__, result);
+ " urb, error %d\n", __func__, result);
else
return;
}
},
.id_table = id_table,
.usb_driver = &pl2303_driver,
- .num_interrupt_in = NUM_DONT_CARE,
- .num_bulk_in = 1,
- .num_bulk_out = 1,
.num_ports = 1,
.open = pl2303_open,
.close = pl2303_close,
+ .dtr_rts = pl2303_dtr_rts,
+ .carrier_raised = pl2303_carrier_raised,
.write = pl2303_write,
.ioctl = pl2303_ioctl,
.break_ctl = pl2303_break_ctl,
.write_room = pl2303_write_room,
.chars_in_buffer = pl2303_chars_in_buffer,
.attach = pl2303_startup,
- .shutdown = pl2303_shutdown,
+ .release = pl2303_release,
};
static int __init pl2303_init(void)
retval = usb_register(&pl2303_driver);
if (retval)
goto failed_usb_register;
- info(DRIVER_DESC);
+ printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
return 0;
failed_usb_register:
usb_serial_deregister(&pl2303_device);