/*
* Prolific PL2303 USB to serial adaptor driver
*
- * Copyright (C) 2001-2004 Greg Kroah-Hartman (greg@kroah.com)
+ * Copyright (C) 2001-2007 Greg Kroah-Hartman (greg@kroah.com)
* Copyright (C) 2003 IBM Corp.
*
* Original driver for 2.2.x by anonymous
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License.
+ * This program is free software; you can redistribute it and/or
+ * 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
*
{ 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(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(ATEN_VENDOR_ID2, ATEN_PRODUCT_ID) },
{ USB_DEVICE(ELCOM_VENDOR_ID, ELCOM_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_SX1) },
{ 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(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(SPEEDDRAGON_VENDOR_ID, SPEEDDRAGON_PRODUCT_ID) },
{ USB_DEVICE(DATAPILOT_U2_VENDOR_ID, DATAPILOT_U2_PRODUCT_ID) },
{ USB_DEVICE(BELKIN_VENDOR_ID, BELKIN_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) },
{ } /* Terminating entry */
};
.probe = usb_serial_probe,
.disconnect = usb_serial_disconnect,
.id_table = id_table,
+ .suspend = usb_serial_suspend,
+ .resume = usb_serial_resume,
.no_dynamic_id = 1,
+ .supports_autosuspend = 1,
};
#define SET_LINE_REQUEST_TYPE 0x21
#define UART_OVERRUN_ERROR 0x40
#define UART_CTS 0x80
-/* function prototypes for a PL2303 serial converter */
-static int pl2303_open (struct usb_serial_port *port, struct file *filp);
-static void pl2303_close (struct usb_serial_port *port, struct file *filp);
-static void pl2303_set_termios (struct usb_serial_port *port,
- struct termios *old);
-static int pl2303_ioctl (struct usb_serial_port *port, struct file *file,
- unsigned int cmd, unsigned long arg);
-static void pl2303_read_int_callback (struct urb *urb, struct pt_regs *regs);
-static void pl2303_read_bulk_callback (struct urb *urb, struct pt_regs *regs);
-static void pl2303_write_bulk_callback (struct urb *urb, struct pt_regs *regs);
-static int pl2303_write (struct usb_serial_port *port,
- const unsigned char *buf, int count);
-static void pl2303_send (struct usb_serial_port *port);
-static int pl2303_write_room(struct usb_serial_port *port);
-static int pl2303_chars_in_buffer(struct usb_serial_port *port);
-static void pl2303_break_ctl(struct usb_serial_port *port,int break_state);
-static int pl2303_tiocmget (struct usb_serial_port *port, struct file *file);
-static int pl2303_tiocmset (struct usb_serial_port *port, struct file *file,
- unsigned int set, unsigned int clear);
-static int pl2303_startup (struct usb_serial *serial);
-static void pl2303_shutdown (struct usb_serial *serial);
-static struct pl2303_buf *pl2303_buf_alloc(unsigned int size);
-static void pl2303_buf_free(struct pl2303_buf *pb);
-static void pl2303_buf_clear(struct pl2303_buf *pb);
-static unsigned int pl2303_buf_data_avail(struct pl2303_buf *pb);
-static unsigned int pl2303_buf_space_avail(struct pl2303_buf *pb);
-static unsigned int pl2303_buf_put(struct pl2303_buf *pb, const char *buf,
- unsigned int count);
-static unsigned int pl2303_buf_get(struct pl2303_buf *pb, char *buf,
- unsigned int count);
-
-
-/* All of the device info needed for the PL2303 SIO serial converter */
-static struct usb_serial_driver pl2303_device = {
- .driver = {
- .owner = THIS_MODULE,
- .name = "pl2303",
- },
- .id_table = id_table,
- .num_interrupt_in = NUM_DONT_CARE,
- .num_bulk_in = 1,
- .num_bulk_out = 1,
- .num_ports = 1,
- .open = pl2303_open,
- .close = pl2303_close,
- .write = pl2303_write,
- .ioctl = pl2303_ioctl,
- .break_ctl = pl2303_break_ctl,
- .set_termios = pl2303_set_termios,
- .tiocmget = pl2303_tiocmget,
- .tiocmset = pl2303_tiocmset,
- .read_bulk_callback = pl2303_read_bulk_callback,
- .read_int_callback = pl2303_read_int_callback,
- .write_bulk_callback = pl2303_write_bulk_callback,
- .write_room = pl2303_write_room,
- .chars_in_buffer = pl2303_chars_in_buffer,
- .attach = pl2303_startup,
- .shutdown = pl2303_shutdown,
-};
enum pl2303_type {
type_0, /* don't know the difference between type 0 and */
enum pl2303_type type;
};
+/*
+ * pl2303_buf_alloc
+ *
+ * Allocate a circular buffer and all associated memory.
+ */
+static struct pl2303_buf *pl2303_buf_alloc(unsigned int size)
+{
+ struct pl2303_buf *pb;
+
+ if (size == 0)
+ return NULL;
+
+ pb = kmalloc(sizeof(struct pl2303_buf), GFP_KERNEL);
+ if (pb == NULL)
+ return NULL;
+
+ pb->buf_buf = kmalloc(size, GFP_KERNEL);
+ if (pb->buf_buf == NULL) {
+ kfree(pb);
+ return NULL;
+ }
+
+ pb->buf_size = size;
+ pb->buf_get = pb->buf_put = pb->buf_buf;
+
+ return pb;
+}
+
+/*
+ * pl2303_buf_free
+ *
+ * Free the buffer and all associated memory.
+ */
+static void pl2303_buf_free(struct pl2303_buf *pb)
+{
+ if (pb) {
+ kfree(pb->buf_buf);
+ kfree(pb);
+ }
+}
+
+/*
+ * pl2303_buf_clear
+ *
+ * Clear out all data in the circular buffer.
+ */
+static void pl2303_buf_clear(struct pl2303_buf *pb)
+{
+ if (pb != NULL)
+ pb->buf_get = pb->buf_put;
+ /* equivalent to a get of all data available */
+}
+
+/*
+ * pl2303_buf_data_avail
+ *
+ * Return the number of bytes of data available in the circular
+ * buffer.
+ */
+static unsigned int pl2303_buf_data_avail(struct pl2303_buf *pb)
+{
+ if (pb == NULL)
+ return 0;
+
+ return ((pb->buf_size + pb->buf_put - pb->buf_get) % pb->buf_size);
+}
+
+/*
+ * pl2303_buf_space_avail
+ *
+ * Return the number of bytes of space available in the circular
+ * buffer.
+ */
+static unsigned int pl2303_buf_space_avail(struct pl2303_buf *pb)
+{
+ if (pb == NULL)
+ return 0;
+
+ return ((pb->buf_size + pb->buf_get - pb->buf_put - 1) % pb->buf_size);
+}
+
+/*
+ * pl2303_buf_put
+ *
+ * Copy data data from a user buffer and put it into the circular buffer.
+ * Restrict to the amount of space available.
+ *
+ * Return the number of bytes copied.
+ */
+static unsigned int pl2303_buf_put(struct pl2303_buf *pb, const char *buf,
+ unsigned int count)
+{
+ unsigned int len;
+
+ if (pb == NULL)
+ return 0;
+
+ len = pl2303_buf_space_avail(pb);
+ if (count > len)
+ count = len;
+
+ if (count == 0)
+ return 0;
+
+ len = pb->buf_buf + pb->buf_size - pb->buf_put;
+ if (count > len) {
+ memcpy(pb->buf_put, buf, len);
+ memcpy(pb->buf_buf, buf+len, count - len);
+ pb->buf_put = pb->buf_buf + count - len;
+ } else {
+ memcpy(pb->buf_put, buf, count);
+ if (count < len)
+ pb->buf_put += count;
+ else /* count == len */
+ pb->buf_put = pb->buf_buf;
+ }
+
+ return count;
+}
+
+/*
+ * pl2303_buf_get
+ *
+ * Get data from the circular buffer and copy to the given buffer.
+ * Restrict to the amount of data available.
+ *
+ * Return the number of bytes copied.
+ */
+static unsigned int pl2303_buf_get(struct pl2303_buf *pb, char *buf,
+ unsigned int count)
+{
+ unsigned int len;
+
+ if (pb == NULL)
+ return 0;
+
+ len = pl2303_buf_data_avail(pb);
+ if (count > len)
+ count = len;
+
+ if (count == 0)
+ return 0;
+
+ len = pb->buf_buf + pb->buf_size - pb->buf_get;
+ if (count > len) {
+ memcpy(buf, pb->buf_get, len);
+ memcpy(buf+len, pb->buf_buf, count - len);
+ pb->buf_get = pb->buf_buf + count - len;
+ } else {
+ memcpy(buf, pb->buf_get, count);
+ if (count < len)
+ pb->buf_get += count;
+ else /* count == len */
+ pb->buf_get = pb->buf_buf;
+ }
+
+ return count;
+}
+
+static int pl2303_vendor_read(__u16 value, __u16 index,
+ struct usb_serial *serial, unsigned char *buf)
+{
+ int res = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+ VENDOR_READ_REQUEST, VENDOR_READ_REQUEST_TYPE,
+ value, index, buf, 1, 100);
+ dbg("0x%x:0x%x:0x%x:0x%x %d - %x", VENDOR_READ_REQUEST_TYPE,
+ VENDOR_READ_REQUEST, value, index, res, buf[0]);
+ return res;
+}
+
+static int pl2303_vendor_write(__u16 value, __u16 index,
+ struct usb_serial *serial)
+{
+ int res = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+ VENDOR_WRITE_REQUEST, VENDOR_WRITE_REQUEST_TYPE,
+ value, index, NULL, 0, 100);
+ dbg("0x%x:0x%x:0x%x:0x%x %d", VENDOR_WRITE_REQUEST_TYPE,
+ VENDOR_WRITE_REQUEST, value, index, res);
+ return res;
+}
static int pl2303_startup(struct usb_serial *serial)
{
struct pl2303_private *priv;
enum pl2303_type type = type_0;
+ unsigned char *buf;
int i;
+ buf = kmalloc(10, GFP_KERNEL);
+ if (buf == NULL)
+ return -ENOMEM;
+
if (serial->dev->descriptor.bDeviceClass == 0x02)
type = type_0;
else if (serial->dev->descriptor.bMaxPacketSize0 == 0x40)
priv->type = type;
usb_set_serial_port_data(serial->port[i], priv);
}
+
+ pl2303_vendor_read(0x8484, 0, serial, buf);
+ pl2303_vendor_write(0x0404, 0, serial);
+ pl2303_vendor_read(0x8484, 0, serial, buf);
+ pl2303_vendor_read(0x8383, 0, serial, buf);
+ pl2303_vendor_read(0x8484, 0, serial, buf);
+ pl2303_vendor_write(0x0404, 1, serial);
+ pl2303_vendor_read(0x8484, 0, serial, buf);
+ pl2303_vendor_read(0x8383, 0, serial, buf);
+ pl2303_vendor_write(0, 1, serial);
+ pl2303_vendor_write(1, 0, serial);
+ if (type == HX)
+ pl2303_vendor_write(2, 0x44, serial);
+ else
+ pl2303_vendor_write(2, 0x24, serial);
+
+ kfree(buf);
return 0;
cleanup:
+ kfree(buf);
for (--i; i>=0; --i) {
priv = usb_get_serial_port_data(serial->port[i]);
pl2303_buf_free(priv->buf);
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;
}
-static int pl2303_write(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);
-
- if (!count)
- return count;
-
- spin_lock_irqsave(&priv->lock, flags);
- count = pl2303_buf_put(priv->buf, buf, count);
- spin_unlock_irqrestore(&priv->lock, flags);
-
- pl2303_send(port);
-
- return count;
-}
-
static void pl2303_send(struct usb_serial_port *port)
{
int count, result;
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
}
usb_serial_port_softint(port);
}
+static int pl2303_write(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", __func__, port->number, count);
+
+ if (!count)
+ return count;
+
+ spin_lock_irqsave(&priv->lock, flags);
+ count = pl2303_buf_put(priv->buf, buf, count);
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ pl2303_send(port);
+
+ return count;
+}
+
static int pl2303_write_room(struct usb_serial_port *port)
{
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;
}
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 termios *old_termios)
+ struct ktermios *old_termios)
{
struct usb_serial *serial = port->serial;
struct pl2303_private *priv = usb_get_serial_port_data(port);
int i;
u8 control;
- dbg("%s - port %d", __FUNCTION__, port->number);
-
- if ((!port->tty) || (!port->tty->termios)) {
- dbg("%s - no tty structures", __FUNCTION__);
- return;
- }
+ dbg("%s - port %d", __func__, 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);
+ /* 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))
+ return;
+
cflag = port->tty->termios->c_cflag;
- /* check that they really want us to change something */
- if (old_termios) {
- if ((cflag == old_termios->c_cflag) &&
- (RELEVANT_IFLAG(port->tty->termios->c_iflag) ==
- RELEVANT_IFLAG(old_termios->c_iflag))) {
- dbg("%s - nothing to change...", __FUNCTION__);
- return;
- }
- }
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__);
return;
}
default:
case CS8: buf[6] = 8; break;
}
- dbg("%s - data bits = %d", __FUNCTION__, buf[6]);
+ dbg("%s - data bits = %d", __func__, buf[6]);
}
- baud = 0;
- switch (cflag & CBAUD) {
- case B0: baud = 0; break;
- case B75: baud = 75; break;
- case B150: baud = 150; break;
- case B300: baud = 300; break;
- case B600: baud = 600; break;
- case B1200: baud = 1200; break;
- case B1800: baud = 1800; break;
- case B2400: baud = 2400; break;
- case B4800: baud = 4800; break;
- case B9600: baud = 9600; break;
- case B19200: baud = 19200; break;
- case B38400: baud = 38400; break;
- case B57600: baud = 57600; break;
- case B115200: baud = 115200; break;
- case B230400: baud = 230400; break;
- case B460800: baud = 460800; break;
- default:
- dev_err(&port->dev, "pl2303 driver does not support"
- " the baudrate requested (fix it)\n");
- break;
- }
- dbg("%s - baud = %d", __FUNCTION__, baud);
+ baud = tty_get_baud_rate(port->tty);;
+ dbg("%s - baud = %d", __func__, baud);
if (baud) {
buf[0] = baud & 0xff;
buf[1] = (baud >> 8) & 0xff;
/* For reference buf[4]=2 is 2 stop bits */
if (cflag & CSTOPB) {
buf[4] = 2;
- dbg("%s - stop bits = 2", __FUNCTION__);
+ 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]=4 is space parity */
if (cflag & PARODD) {
buf[5] = 1;
- dbg("%s - parity = odd", __FUNCTION__);
+ dbg("%s - parity = odd", __func__);
} else {
buf[5] = 2;
- dbg("%s - parity = even", __FUNCTION__);
+ 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),
control = priv->line_control;
spin_unlock_irqrestore(&priv->lock, flags);
set_control_lines(serial->dev, control);
- } else {
- spin_unlock_irqrestore(&priv->lock, flags);
- }
-
- buf[0] = buf[1] = buf[2] = buf[3] = buf[4] = buf[5] = buf[6] = 0;
-
- i = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
- GET_LINE_REQUEST, GET_LINE_REQUEST_TYPE,
- 0, 0, buf, 7, 100);
- dbg("0xa1:0x21:0:0 %d - %x %x %x %x %x %x %x", i,
- buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]);
-
- if (cflag & CRTSCTS) {
- __u16 index;
- if (priv->type == HX)
- index = 0x61;
- else
- index = 0x41;
- i = usb_control_msg(serial->dev,
- usb_sndctrlpipe(serial->dev, 0),
- VENDOR_WRITE_REQUEST,
- VENDOR_WRITE_REQUEST_TYPE,
- 0x0, index, NULL, 0, 100);
- dbg("0x40:0x1:0x0:0x%x %d", index, i);
- }
-
- kfree(buf);
-}
-
-static int pl2303_open(struct usb_serial_port *port, struct file *filp)
-{
- struct termios tmp_termios;
- struct usb_serial *serial = port->serial;
- struct pl2303_private *priv = usb_get_serial_port_data(port);
- unsigned char *buf;
- int result;
-
- dbg("%s - port %d", __FUNCTION__, port->number);
-
- if (priv->type != HX) {
- usb_clear_halt(serial->dev, port->write_urb->pipe);
- usb_clear_halt(serial->dev, port->read_urb->pipe);
- }
-
- buf = kmalloc(10, GFP_KERNEL);
- if (buf==NULL)
- return -ENOMEM;
-
-#define FISH(a,b,c,d) \
- result=usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev,0), \
- b, a, c, d, buf, 1, 100); \
- dbg("0x%x:0x%x:0x%x:0x%x %d - %x",a,b,c,d,result,buf[0]);
-
-#define SOUP(a,b,c,d) \
- result=usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev,0), \
- b, a, c, d, NULL, 0, 100); \
- dbg("0x%x:0x%x:0x%x:0x%x %d",a,b,c,d,result);
-
- FISH (VENDOR_READ_REQUEST_TYPE, VENDOR_READ_REQUEST, 0x8484, 0);
- SOUP (VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, 0x0404, 0);
- FISH (VENDOR_READ_REQUEST_TYPE, VENDOR_READ_REQUEST, 0x8484, 0);
- FISH (VENDOR_READ_REQUEST_TYPE, VENDOR_READ_REQUEST, 0x8383, 0);
- FISH (VENDOR_READ_REQUEST_TYPE, VENDOR_READ_REQUEST, 0x8484, 0);
- SOUP (VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, 0x0404, 1);
- FISH (VENDOR_READ_REQUEST_TYPE, VENDOR_READ_REQUEST, 0x8484, 0);
- FISH (VENDOR_READ_REQUEST_TYPE, VENDOR_READ_REQUEST, 0x8383, 0);
- SOUP (VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, 0, 1);
- SOUP (VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, 1, 0);
-
- if (priv->type == HX) {
- /* HX chip */
- SOUP (VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, 2, 0x44);
- /* reset upstream data pipes */
- SOUP (VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, 8, 0);
- SOUP (VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, 9, 0);
- } else {
- SOUP (VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, 2, 0x24);
- }
-
- kfree(buf);
-
- /* Setup termios */
- if (port->tty) {
- pl2303_set_termios(port, &tmp_termios);
+ } else {
+ spin_unlock_irqrestore(&priv->lock, flags);
}
- //FIXME: need to assert RTS and DTR if CRTSCTS off
+ buf[0] = buf[1] = buf[2] = buf[3] = buf[4] = buf[5] = buf[6] = 0;
- dbg("%s - submitting read urb", __FUNCTION__);
- 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);
- return -EPROTO;
- }
+ i = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+ GET_LINE_REQUEST, GET_LINE_REQUEST_TYPE,
+ 0, 0, buf, 7, 100);
+ dbg("0xa1:0x21:0:0 %d - %x %x %x %x %x %x %x", i,
+ buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]);
- dbg("%s - submitting interrupt urb", __FUNCTION__);
- 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);
- return -EPROTO;
+ if (cflag & CRTSCTS) {
+ if (priv->type == HX)
+ pl2303_vendor_write(0x0, 0x61, serial);
+ else
+ pl2303_vendor_write(0x0, 0x41, serial);
+ } else {
+ pl2303_vendor_write(0x0, 0x0, serial);
}
- return 0;
+
+ /* FIXME: Need to read back resulting baud rate */
+ if (baud)
+ tty_encode_baud_rate(port->tty, baud, baud);
+
+ kfree(buf);
}
static void pl2303_close(struct usb_serial_port *port, struct file *filp)
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);
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 */
+ port->serial->disconnected)
break;
spin_unlock_irqrestore(&priv->lock, flags);
timeout = schedule_timeout(timeout);
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);
}
}
+static int pl2303_open(struct usb_serial_port *port, struct file *filp)
+{
+ 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", __func__, port->number);
+
+ if (priv->type != HX) {
+ usb_clear_halt(serial->dev, port->write_urb->pipe);
+ usb_clear_halt(serial->dev, port->read_urb->pipe);
+ } else {
+ /* reset upstream data pipes */
+ pl2303_vendor_write(8, 0, serial);
+ pl2303_vendor_write(9, 0, serial);
+ }
+
+ /* Setup termios */
+ if (port->tty) {
+ pl2303_set_termios(port, &tmp_termios);
+ }
+
+ //FIXME: need to assert RTS and DTR if CRTSCTS off
+
+ 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", __func__, result);
+ pl2303_close(port, NULL);
+ return -EPROTO;
+ }
+
+ 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", __func__, result);
+ pl2303_close(port, NULL);
+ return -EPROTO;
+ }
+ return 0;
+}
+
static int pl2303_tiocmset(struct usb_serial_port *port, struct file *file,
unsigned int set, unsigned int clear)
{
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_ioctl(struct usb_serial_port *port, struct file *file,
unsigned int cmd, unsigned long arg)
{
- dbg("%s (%d) cmd = 0x%04x", __FUNCTION__, port->number, cmd);
+ dbg("%s (%d) cmd = 0x%04x", __func__, port->number, cmd);
switch (cmd) {
case TIOCMIWAIT:
- dbg("%s (%d) TIOCMIWAIT", __FUNCTION__, port->number);
+ dbg("%s (%d) TIOCMIWAIT", __func__, port->number);
return wait_modem_info(port, arg);
default:
- dbg("%s not supported = 0x%04x", __FUNCTION__, cmd);
+ dbg("%s not supported = 0x%04x", __func__, cmd);
break;
}
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)
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]);
unsigned long flags;
u8 status_idx = UART_STATE;
u8 length = UART_STATE + 1;
+ u16 idv, idp;
+
+ idv = le16_to_cpu(port->serial->dev->descriptor.idVendor);
+ idp = le16_to_cpu(port->serial->dev->descriptor.idProduct);
+
+
+ if (idv == SIEMENS_VENDOR_ID) {
+ if (idp == SIEMENS_PRODUCT_ID_X65 ||
+ idp == SIEMENS_PRODUCT_ID_SX1 ||
+ idp == SIEMENS_PRODUCT_ID_X75) {
- if ((le16_to_cpu(port->serial->dev->descriptor.idVendor) == SIEMENS_VENDOR_ID) &&
- (le16_to_cpu(port->serial->dev->descriptor.idProduct) == SIEMENS_PRODUCT_ID_X65 ||
- le16_to_cpu(port->serial->dev->descriptor.idProduct) == SIEMENS_PRODUCT_ID_SX1 ||
- le16_to_cpu(port->serial->dev->descriptor.idProduct) == SIEMENS_PRODUCT_ID_X75)) {
- length = 1;
- status_idx = 0;
+ length = 1;
+ status_idx = 0;
+ }
}
if (actual_length < length)
wake_up_interruptible(&priv->delta_msr_wait);
}
-static void pl2303_read_int_callback(struct urb *urb, struct pt_regs *regs)
+static void pl2303_read_int_callback(struct urb *urb)
{
struct usb_serial_port *port = (struct usb_serial_port *) urb->context;
unsigned char *data = urb->transfer_buffer;
unsigned int actual_length = urb->actual_length;
- int status;
+ int status = urb->status;
+ int retval;
- dbg("%s (%d)", __FUNCTION__, port->number);
+ dbg("%s (%d)", __func__, port->number);
- switch (urb->status) {
+ switch (status) {
case 0:
/* success */
break;
case -ENOENT:
case -ESHUTDOWN:
/* this urb is terminated, clean up */
- dbg("%s - urb shutting down with status: %d", __FUNCTION__,
- urb->status);
+ dbg("%s - urb shutting down with status: %d", __func__,
+ status);
return;
default:
- dbg("%s - nonzero urb status received: %d", __FUNCTION__,
- urb->status);
+ 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);
exit:
- status = usb_submit_urb(urb, GFP_ATOMIC);
- if (status)
+ retval = usb_submit_urb(urb, GFP_ATOMIC);
+ if (retval)
dev_err(&urb->dev->dev,
"%s - usb_submit_urb failed with result %d\n",
- __FUNCTION__, status);
+ __func__, retval);
}
-static void pl2303_read_bulk_callback(struct urb *urb, struct pt_regs *regs)
+static void pl2303_read_bulk_callback(struct urb *urb)
{
struct usb_serial_port *port = (struct usb_serial_port *) urb->context;
struct pl2303_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
int i;
int result;
- u8 status;
+ 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 (urb->status) {
- dbg("%s - urb->status = %d", __FUNCTION__, urb->status);
+ if (status) {
+ dbg("%s - urb status = %d", __func__, status);
if (!port->open_count) {
- dbg("%s - port is closed, exiting.", __FUNCTION__);
+ dbg("%s - port is closed, exiting.", __func__);
return;
}
- if (urb->status == -EPROTO) {
+ if (status == -EPROTO) {
/* PL2303 mysteriously fails with -EPROTO reschedule
* the read */
dbg("%s - caught -EPROTO, resubmitting the urb",
- __FUNCTION__);
- urb->status = 0;
+ __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__,
+ usb_serial_debug_data(debug, &port->dev, __func__,
urb->actual_length, data);
/* get tty_flag from status */
tty_flag = TTY_NORMAL;
spin_lock_irqsave(&priv->lock, flags);
- status = priv->line_status;
+ line_status = priv->line_status;
priv->line_status &= ~UART_STATE_TRANSIENT_MASK;
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 (status & UART_BREAK_ERROR )
+ if (line_status & UART_BREAK_ERROR )
tty_flag = TTY_BREAK;
- else if (status & UART_PARITY_ERROR)
+ else if (line_status & UART_PARITY_ERROR)
tty_flag = TTY_PARITY;
- else if (status & UART_FRAME_ERROR)
+ else if (line_status & UART_FRAME_ERROR)
tty_flag = TTY_FRAME;
- dbg("%s - tty_flag = %d", __FUNCTION__, tty_flag);
+ dbg("%s - tty_flag = %d", __func__, tty_flag);
tty = port->tty;
if (tty && urb->actual_length) {
tty_buffer_request_room(tty, urb->actual_length + 1);
/* overrun is special, not associated with a char */
- if (status & UART_OVERRUN_ERROR)
+ 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);
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 pt_regs *regs)
+static void pl2303_write_bulk_callback(struct urb *urb)
{
struct usb_serial_port *port = (struct usb_serial_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 (urb->status) {
+ switch (status) {
case 0:
/* success */
break;
case -ENOENT:
case -ESHUTDOWN:
/* this urb is terminated, clean up */
- dbg("%s - urb shutting down with status: %d", __FUNCTION__,
- urb->status);
+ 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__,
- urb->status);
+ 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;
}
pl2303_send(port);
}
-/*
- * pl2303_buf_alloc
- *
- * Allocate a circular buffer and all associated memory.
- */
-static struct pl2303_buf *pl2303_buf_alloc(unsigned int size)
-{
- struct pl2303_buf *pb;
-
- if (size == 0)
- return NULL;
-
- pb = (struct pl2303_buf *)kmalloc(sizeof(struct pl2303_buf), GFP_KERNEL);
- if (pb == NULL)
- return NULL;
-
- pb->buf_buf = kmalloc(size, GFP_KERNEL);
- if (pb->buf_buf == NULL) {
- kfree(pb);
- return NULL;
- }
-
- pb->buf_size = size;
- pb->buf_get = pb->buf_put = pb->buf_buf;
-
- return pb;
-}
-
-/*
- * pl2303_buf_free
- *
- * Free the buffer and all associated memory.
- */
-static void pl2303_buf_free(struct pl2303_buf *pb)
-{
- if (pb) {
- kfree(pb->buf_buf);
- kfree(pb);
- }
-}
-
-/*
- * pl2303_buf_clear
- *
- * Clear out all data in the circular buffer.
- */
-static void pl2303_buf_clear(struct pl2303_buf *pb)
-{
- if (pb != NULL)
- pb->buf_get = pb->buf_put;
- /* equivalent to a get of all data available */
-}
-
-/*
- * pl2303_buf_data_avail
- *
- * Return the number of bytes of data available in the circular
- * buffer.
- */
-static unsigned int pl2303_buf_data_avail(struct pl2303_buf *pb)
-{
- if (pb != NULL)
- return ((pb->buf_size + pb->buf_put - pb->buf_get) % pb->buf_size);
- else
- return 0;
-}
-
-/*
- * pl2303_buf_space_avail
- *
- * Return the number of bytes of space available in the circular
- * buffer.
- */
-static unsigned int pl2303_buf_space_avail(struct pl2303_buf *pb)
-{
- if (pb != NULL)
- return ((pb->buf_size + pb->buf_get - pb->buf_put - 1) % pb->buf_size);
- else
- return 0;
-}
-
-/*
- * pl2303_buf_put
- *
- * Copy data data from a user buffer and put it into the circular buffer.
- * Restrict to the amount of space available.
- *
- * Return the number of bytes copied.
- */
-static unsigned int pl2303_buf_put(struct pl2303_buf *pb, const char *buf,
- unsigned int count)
-{
- unsigned int len;
-
- if (pb == NULL)
- return 0;
-
- len = pl2303_buf_space_avail(pb);
- if (count > len)
- count = len;
-
- if (count == 0)
- return 0;
-
- len = pb->buf_buf + pb->buf_size - pb->buf_put;
- if (count > len) {
- memcpy(pb->buf_put, buf, len);
- memcpy(pb->buf_buf, buf+len, count - len);
- pb->buf_put = pb->buf_buf + count - len;
- } else {
- memcpy(pb->buf_put, buf, count);
- if (count < len)
- pb->buf_put += count;
- else /* count == len */
- pb->buf_put = pb->buf_buf;
- }
-
- return count;
-}
-
-/*
- * pl2303_buf_get
- *
- * Get data from the circular buffer and copy to the given buffer.
- * Restrict to the amount of data available.
- *
- * Return the number of bytes copied.
- */
-static unsigned int pl2303_buf_get(struct pl2303_buf *pb, char *buf,
- unsigned int count)
-{
- unsigned int len;
-
- if (pb == NULL)
- return 0;
-
- len = pl2303_buf_data_avail(pb);
- if (count > len)
- count = len;
-
- if (count == 0)
- return 0;
-
- len = pb->buf_buf + pb->buf_size - pb->buf_get;
- if (count > len) {
- memcpy(buf, pb->buf_get, len);
- memcpy(buf+len, pb->buf_buf, count - len);
- pb->buf_get = pb->buf_buf + count - len;
- } else {
- memcpy(buf, pb->buf_get, count);
- if (count < len)
- pb->buf_get += count;
- else /* count == len */
- pb->buf_get = pb->buf_buf;
- }
-
- return count;
-}
+/* All of the device info needed for the PL2303 SIO serial converter */
+static struct usb_serial_driver pl2303_device = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "pl2303",
+ },
+ .id_table = id_table,
+ .usb_driver = &pl2303_driver,
+ .num_ports = 1,
+ .open = pl2303_open,
+ .close = pl2303_close,
+ .write = pl2303_write,
+ .ioctl = pl2303_ioctl,
+ .break_ctl = pl2303_break_ctl,
+ .set_termios = pl2303_set_termios,
+ .tiocmget = pl2303_tiocmget,
+ .tiocmset = pl2303_tiocmset,
+ .read_bulk_callback = pl2303_read_bulk_callback,
+ .read_int_callback = pl2303_read_int_callback,
+ .write_bulk_callback = pl2303_write_bulk_callback,
+ .write_room = pl2303_write_room,
+ .chars_in_buffer = pl2303_chars_in_buffer,
+ .attach = pl2303_startup,
+ .shutdown = pl2303_shutdown,
+};
static int __init pl2303_init(void)
{
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff