summaryrefslogtreecommitdiff
path: root/drivers/usb/serial
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/serial')
-rw-r--r--drivers/usb/serial/Kconfig17
-rw-r--r--drivers/usb/serial/Makefile2
-rw-r--r--drivers/usb/serial/digi_acceleport.c28
-rw-r--r--drivers/usb/serial/garmin_gps.c2
-rw-r--r--drivers/usb/serial/ipw.c4
-rw-r--r--drivers/usb/serial/iuu_phoenix.c38
-rw-r--r--drivers/usb/serial/mos7840.c38
-rw-r--r--drivers/usb/serial/opticon.c358
-rw-r--r--drivers/usb/serial/option.c11
-rw-r--r--drivers/usb/serial/siemens_mpi.c77
-rw-r--r--drivers/usb/serial/spcp8x5.c20
-rw-r--r--drivers/usb/serial/usb_debug.c2
12 files changed, 527 insertions, 70 deletions
diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index 70338f4ec918..b361f05cafac 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -496,6 +496,14 @@ config USB_SERIAL_SAFE_PADDED
bool "USB Secure Encapsulated Driver - Padded"
depends on USB_SERIAL_SAFE
+config USB_SERIAL_SIEMENS_MPI
+ tristate "USB Siemens MPI driver"
+ help
+ Say M here if you want to use a Siemens USB/MPI adapter.
+
+ To compile this driver as a module, choose M here: the
+ module will be called siemens_mpi.
+
config USB_SERIAL_SIERRAWIRELESS
tristate "USB Sierra Wireless Driver"
help
@@ -565,6 +573,15 @@ config USB_SERIAL_OMNINET
To compile this driver as a module, choose M here: the
module will be called omninet.
+config USB_SERIAL_OPTICON
+ tristate "USB Opticon Barcode driver (serial mode)"
+ help
+ Say Y here if you want to use a Opticon USB Barcode device
+ in serial emulation mode.
+
+ To compile this driver as a module, choose M here: the
+ module will be called opticon.
+
config USB_SERIAL_DEBUG
tristate "USB Debugging Device"
help
diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile
index 6047f818adfe..b75be91eb8f1 100644
--- a/drivers/usb/serial/Makefile
+++ b/drivers/usb/serial/Makefile
@@ -41,10 +41,12 @@ obj-$(CONFIG_USB_SERIAL_MOS7840) += mos7840.o
obj-$(CONFIG_USB_SERIAL_MOTOROLA) += moto_modem.o
obj-$(CONFIG_USB_SERIAL_NAVMAN) += navman.o
obj-$(CONFIG_USB_SERIAL_OMNINET) += omninet.o
+obj-$(CONFIG_USB_SERIAL_OPTICON) += opticon.o
obj-$(CONFIG_USB_SERIAL_OPTION) += option.o
obj-$(CONFIG_USB_SERIAL_OTI6858) += oti6858.o
obj-$(CONFIG_USB_SERIAL_PL2303) += pl2303.o
obj-$(CONFIG_USB_SERIAL_SAFE) += safe_serial.o
+obj-$(CONFIG_USB_SERIAL_SIEMENS_MPI) += siemens_mpi.o
obj-$(CONFIG_USB_SERIAL_SIERRAWIRELESS) += sierra.o
obj-$(CONFIG_USB_SERIAL_SPCP8X5) += spcp8x5.o
obj-$(CONFIG_USB_SERIAL_TI) += ti_usb_3410_5052.o
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 69f84f0ea6fe..38ba4ea8b6bf 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -635,8 +635,7 @@ static int digi_write_oob_command(struct usb_serial_port *port,
spin_lock_irqsave(&oob_priv->dp_port_lock, flags);
while (count > 0) {
- while (oob_port->write_urb->status == -EINPROGRESS
- || oob_priv->dp_write_urb_in_use) {
+ while (oob_priv->dp_write_urb_in_use) {
cond_wait_interruptible_timeout_irqrestore(
&oob_port->write_wait, DIGI_RETRY_TIMEOUT,
&oob_priv->dp_port_lock, flags);
@@ -699,9 +698,8 @@ static int digi_write_inb_command(struct usb_serial_port *port,
spin_lock_irqsave(&priv->dp_port_lock, flags);
while (count > 0 && ret == 0) {
- while ((port->write_urb->status == -EINPROGRESS
- || priv->dp_write_urb_in_use)
- && time_before(jiffies, timeout)) {
+ while (priv->dp_write_urb_in_use &&
+ time_before(jiffies, timeout)) {
cond_wait_interruptible_timeout_irqrestore(
&port->write_wait, DIGI_RETRY_TIMEOUT,
&priv->dp_port_lock, flags);
@@ -779,8 +777,7 @@ static int digi_set_modem_signals(struct usb_serial_port *port,
spin_lock_irqsave(&oob_priv->dp_port_lock, flags);
spin_lock(&port_priv->dp_port_lock);
- while (oob_port->write_urb->status == -EINPROGRESS ||
- oob_priv->dp_write_urb_in_use) {
+ while (oob_priv->dp_write_urb_in_use) {
spin_unlock(&port_priv->dp_port_lock);
cond_wait_interruptible_timeout_irqrestore(
&oob_port->write_wait, DIGI_RETRY_TIMEOUT,
@@ -1168,12 +1165,10 @@ static int digi_write(struct tty_struct *tty, struct usb_serial_port *port,
/* be sure only one write proceeds at a time */
/* there are races on the port private buffer */
- /* and races to check write_urb->status */
spin_lock_irqsave(&priv->dp_port_lock, flags);
/* wait for urb status clear to submit another urb */
- if (port->write_urb->status == -EINPROGRESS ||
- priv->dp_write_urb_in_use) {
+ if (priv->dp_write_urb_in_use) {
/* buffer data if count is 1 (probably put_char) if possible */
if (count == 1 && priv->dp_out_buf_len < DIGI_OUT_BUF_SIZE) {
priv->dp_out_buf[priv->dp_out_buf_len++] = *buf;
@@ -1236,7 +1231,7 @@ static void digi_write_bulk_callback(struct urb *urb)
int ret = 0;
int status = urb->status;
- dbg("digi_write_bulk_callback: TOP, urb->status=%d", status);
+ dbg("digi_write_bulk_callback: TOP, status=%d", status);
/* port and serial sanity check */
if (port == NULL || (priv = usb_get_serial_port_data(port)) == NULL) {
@@ -1266,8 +1261,7 @@ static void digi_write_bulk_callback(struct urb *urb)
/* try to send any buffered data on this port, if it is open */
spin_lock(&priv->dp_port_lock);
priv->dp_write_urb_in_use = 0;
- if (port->port.count && port->write_urb->status != -EINPROGRESS
- && priv->dp_out_buf_len > 0) {
+ if (port->port.count && priv->dp_out_buf_len > 0) {
*((unsigned char *)(port->write_urb->transfer_buffer))
= (unsigned char)DIGI_CMD_SEND_DATA;
*((unsigned char *)(port->write_urb->transfer_buffer) + 1)
@@ -1305,8 +1299,7 @@ static int digi_write_room(struct tty_struct *tty)
spin_lock_irqsave(&priv->dp_port_lock, flags);
- if (port->write_urb->status == -EINPROGRESS ||
- priv->dp_write_urb_in_use)
+ if (priv->dp_write_urb_in_use)
room = 0;
else
room = port->bulk_out_size - 2 - priv->dp_out_buf_len;
@@ -1322,8 +1315,7 @@ static int digi_chars_in_buffer(struct tty_struct *tty)
struct usb_serial_port *port = tty->driver_data;
struct digi_port *priv = usb_get_serial_port_data(port);
- if (port->write_urb->status == -EINPROGRESS
- || priv->dp_write_urb_in_use) {
+ if (priv->dp_write_urb_in_use) {
dbg("digi_chars_in_buffer: port=%d, chars=%d",
priv->dp_port_num, port->bulk_out_size - 2);
/* return(port->bulk_out_size - 2); */
@@ -1702,7 +1694,7 @@ static int digi_read_inb_callback(struct urb *urb)
/* short/multiple packet check */
if (urb->actual_length != len + 2) {
dev_err(&port->dev, "%s: INCOMPLETE OR MULTIPLE PACKET, "
- "urb->status=%d, port=%d, opcode=%d, len=%d, "
+ "status=%d, port=%d, opcode=%d, len=%d, "
"actual_length=%d, status=%d\n", __func__, status,
priv->dp_port_num, opcode, len, urb->actual_length,
port_status);
diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
index 8e6a66e38db2..a26a0e2cdb4a 100644
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -1056,7 +1056,7 @@ static void garmin_write_bulk_callback(struct urb *urb)
if (status) {
dbg("%s - nonzero write bulk status received: %d",
- __func__, urb->status);
+ __func__, status);
spin_lock_irqsave(&garmin_data_p->lock, flags);
garmin_data_p->flags |= CLEAR_HALT_REQUIRED;
spin_unlock_irqrestore(&garmin_data_p->lock, flags);
diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c
index 3ac59a8a980f..f530032ed93d 100644
--- a/drivers/usb/serial/ipw.c
+++ b/drivers/usb/serial/ipw.c
@@ -473,7 +473,7 @@ static struct usb_serial_driver ipw_device = {
-static int usb_ipw_init(void)
+static int __init usb_ipw_init(void)
{
int retval;
@@ -490,7 +490,7 @@ static int usb_ipw_init(void)
return 0;
}
-static void usb_ipw_exit(void)
+static void __exit usb_ipw_exit(void)
{
usb_deregister(&usb_ipw_driver);
usb_serial_deregister(&ipw_device);
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index e320972cb227..2314c6ae4fc2 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -190,10 +190,12 @@ static void iuu_rxcmd(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
int result;
+ int status = urb->status;
+
dbg("%s - enter", __func__);
- if (urb->status) {
- dbg("%s - urb->status = %d", __func__, urb->status);
+ if (status) {
+ dbg("%s - status = %d", __func__, status);
/* error stop all */
return;
}
@@ -245,10 +247,12 @@ static void iuu_update_status_callback(struct urb *urb)
struct usb_serial_port *port = urb->context;
struct iuu_private *priv = usb_get_serial_port_data(port);
u8 *st;
+ int status = urb->status;
+
dbg("%s - enter", __func__);
- if (urb->status) {
- dbg("%s - urb->status = %d", __func__, urb->status);
+ if (status) {
+ dbg("%s - status = %d", __func__, status);
/* error stop all */
return;
}
@@ -274,9 +278,9 @@ static void iuu_status_callback(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
int result;
- dbg("%s - enter", __func__);
+ int status = urb->status;
- dbg("%s - urb->status = %d", __func__, urb->status);
+ dbg("%s - status = %d", __func__, status);
usb_fill_bulk_urb(port->read_urb, port->serial->dev,
usb_rcvbulkpipe(port->serial->dev,
port->bulk_in_endpointAddress),
@@ -618,11 +622,12 @@ static void read_buf_callback(struct urb *urb)
struct usb_serial_port *port = urb->context;
unsigned char *data = urb->transfer_buffer;
struct tty_struct *tty;
- dbg("%s - urb->status = %d", __func__, urb->status);
+ int status = urb->status;
- if (urb->status) {
- dbg("%s - urb->status = %d", __func__, urb->status);
- if (urb->status == -EPROTO) {
+ dbg("%s - status = %d", __func__, status);
+
+ if (status) {
+ if (status == -EPROTO) {
/* reschedule needed */
}
return;
@@ -695,7 +700,7 @@ static void iuu_uart_read_callback(struct urb *urb)
struct usb_serial_port *port = urb->context;
struct iuu_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
- int status;
+ int status = urb->status;
int error = 0;
int len = 0;
unsigned char *data = urb->transfer_buffer;
@@ -703,8 +708,8 @@ static void iuu_uart_read_callback(struct urb *urb)
dbg("%s - enter", __func__);
- if (urb->status) {
- dbg("%s - urb->status = %d", __func__, urb->status);
+ if (status) {
+ dbg("%s - status = %d", __func__, status);
/* error stop all */
return;
}
@@ -782,12 +787,11 @@ static void read_rxcmd_callback(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
int result;
- dbg("%s - enter", __func__);
+ int status = urb->status;
- dbg("%s - urb->status = %d", __func__, urb->status);
+ dbg("%s - status = %d", __func__, status);
- if (urb->status) {
- dbg("%s - urb->status = %d", __func__, urb->status);
+ if (status) {
/* error stop all */
return;
}
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 96a8c7713212..2c20e88a91b3 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -214,6 +214,7 @@ struct moschip_port {
spinlock_t pool_lock;
struct urb *write_urb_pool[NUM_URBS];
char busy[NUM_URBS];
+ bool read_urb_busy;
};
@@ -679,26 +680,30 @@ static void mos7840_bulk_in_callback(struct urb *urb)
struct tty_struct *tty;
int status = urb->status;
- if (status) {
- dbg("nonzero read bulk status received: %d", status);
- return;
- }
-
mos7840_port = urb->context;
if (!mos7840_port) {
dbg("%s", "NULL mos7840_port pointer \n");
+ mos7840_port->read_urb_busy = false;
+ return;
+ }
+
+ if (status) {
+ dbg("nonzero read bulk status received: %d", status);
+ mos7840_port->read_urb_busy = false;
return;
}
port = (struct usb_serial_port *)mos7840_port->port;
if (mos7840_port_paranoia_check(port, __func__)) {
dbg("%s", "Port Paranoia failed \n");
+ mos7840_port->read_urb_busy = false;
return;
}
serial = mos7840_get_usb_serial(port, __func__);
if (!serial) {
dbg("%s\n", "Bad serial pointer ");
+ mos7840_port->read_urb_busy = false;
return;
}
@@ -725,17 +730,19 @@ static void mos7840_bulk_in_callback(struct urb *urb)
if (!mos7840_port->read_urb) {
dbg("%s", "URB KILLED !!!\n");
+ mos7840_port->read_urb_busy = false;
return;
}
mos7840_port->read_urb->dev = serial->dev;
+ mos7840_port->read_urb_busy = true;
retval = usb_submit_urb(mos7840_port->read_urb, GFP_ATOMIC);
if (retval) {
- dbg(" usb_submit_urb(read bulk) failed, retval = %d",
- retval);
+ dbg("usb_submit_urb(read bulk) failed, retval = %d", retval);
+ mos7840_port->read_urb_busy = false;
}
}
@@ -1055,10 +1062,12 @@ static int mos7840_open(struct tty_struct *tty,
dbg("mos7840_open: bulkin endpoint is %d\n",
port->bulk_in_endpointAddress);
+ mos7840_port->read_urb_busy = true;
response = usb_submit_urb(mos7840_port->read_urb, GFP_KERNEL);
if (response) {
dev_err(&port->dev, "%s - Error %d submitting control urb\n",
__func__, response);
+ mos7840_port->read_urb_busy = false;
}
/* initialize our wait queues */
@@ -1227,6 +1236,7 @@ static void mos7840_close(struct tty_struct *tty,
if (mos7840_port->read_urb) {
dbg("%s", "Shutdown bulk read\n");
usb_kill_urb(mos7840_port->read_urb);
+ mos7840_port->read_urb_busy = false;
}
if ((&mos7840_port->control_urb)) {
dbg("%s", "Shutdown control read\n");
@@ -2043,14 +2053,14 @@ static void mos7840_change_port_settings(struct tty_struct *tty,
Data = 0x0c;
mos7840_set_uart_reg(port, INTERRUPT_ENABLE_REGISTER, Data);
- if (mos7840_port->read_urb->status != -EINPROGRESS) {
+ if (mos7840_port->read_urb_busy == false) {
mos7840_port->read_urb->dev = serial->dev;
-
+ mos7840_port->read_urb_busy = true;
status = usb_submit_urb(mos7840_port->read_urb, GFP_ATOMIC);
-
if (status) {
- dbg(" usb_submit_urb(read bulk) failed, status = %d",
+ dbg("usb_submit_urb(read bulk) failed, status = %d",
status);
+ mos7840_port->read_urb_busy = false;
}
}
wake_up(&mos7840_port->delta_msr_wait);
@@ -2117,12 +2127,14 @@ static void mos7840_set_termios(struct tty_struct *tty,
return;
}
- if (mos7840_port->read_urb->status != -EINPROGRESS) {
+ if (mos7840_port->read_urb_busy == false) {
mos7840_port->read_urb->dev = serial->dev;
+ mos7840_port->read_urb_busy = true;
status = usb_submit_urb(mos7840_port->read_urb, GFP_ATOMIC);
if (status) {
- dbg(" usb_submit_urb(read bulk) failed, status = %d",
+ dbg("usb_submit_urb(read bulk) failed, status = %d",
status);
+ mos7840_port->read_urb_busy = false;
}
}
return;
diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
new file mode 100644
index 000000000000..cea326f1f105
--- /dev/null
+++ b/drivers/usb/serial/opticon.c
@@ -0,0 +1,358 @@
+/*
+ * Opticon USB barcode to serial driver
+ *
+ * Copyright (C) 2008 Greg Kroah-Hartman <gregkh@suse.de>
+ * Copyright (C) 2008 Novell Inc.
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/tty_driver.h>
+#include <linux/tty_flip.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/usb/serial.h>
+#include <linux/uaccess.h>
+
+static int debug;
+
+static struct usb_device_id id_table[] = {
+ { USB_DEVICE(0x065a, 0x0009) },
+ { },
+};
+MODULE_DEVICE_TABLE(usb, id_table);
+
+/* This structure holds all of the individual device information */
+struct opticon_private {
+ struct usb_device *udev;
+ struct usb_serial *serial;
+ struct usb_serial_port *port;
+ unsigned char *bulk_in_buffer;
+ struct urb *bulk_read_urb;
+ int buffer_size;
+ u8 bulk_address;
+ spinlock_t lock; /* protects the following flags */
+ bool throttled;
+ bool actually_throttled;
+ bool rts;
+};
+
+static void opticon_bulk_callback(struct urb *urb)
+{
+ struct opticon_private *priv = urb->context;
+ unsigned char *data = urb->transfer_buffer;
+ struct usb_serial_port *port = priv->port;
+ int status = urb->status;
+ struct tty_struct *tty;
+ int result;
+ int available_room = 0;
+ int data_length;
+
+ dbg("%s - port %d", __func__, port->number);
+
+ switch (status) {
+ case 0:
+ /* success */
+ break;
+ case -ECONNRESET:
+ case -ENOENT:
+ case -ESHUTDOWN:
+ /* this urb is terminated, clean up */
+ dbg("%s - urb shutting down with status: %d",
+ __func__, status);
+ return;
+ default:
+ dbg("%s - nonzero urb status received: %d",
+ __func__, status);
+ goto exit;
+ }
+
+ usb_serial_debug_data(debug, &port->dev, __func__, urb->actual_length,
+ data);
+
+ if (urb->actual_length > 2) {
+ data_length = urb->actual_length - 2;
+
+ /*
+ * Data from the device comes with a 2 byte header:
+ *
+ * <0x00><0x00>data...
+ * This is real data to be sent to the tty layer
+ * <0x00><0x01)level
+ * This is a RTS level change, the third byte is the RTS
+ * value (0 for low, 1 for high).
+ */
+ if ((data[0] == 0x00) && (data[1] == 0x00)) {
+ /* real data, send it to the tty layer */
+ tty = tty_port_tty_get(&port->port);
+ if (tty) {
+ available_room = tty_buffer_request_room(tty,
+ data_length);
+ if (available_room) {
+ tty_insert_flip_string(tty, data,
+ available_room);
+ tty_flip_buffer_push(tty);
+ }
+ tty_kref_put(tty);
+ }
+ } else {
+ if ((data[0] == 0x00) && (data[1] == 0x01)) {
+ if (data[2] == 0x00)
+ priv->rts = false;
+ else
+ priv->rts = true;
+ /* FIXME change the RTS level */
+ } else {
+ dev_dbg(&priv->udev->dev,
+ "Unknown data packet received from the device:"
+ " %2x %2x\n",
+ data[0], data[1]);
+ }
+ }
+ } else {
+ dev_dbg(&priv->udev->dev,
+ "Improper ammount of data received from the device, "
+ "%d bytes", urb->actual_length);
+ }
+
+exit:
+ spin_lock(&priv->lock);
+
+ /* Continue trying to always read if we should */
+ if (!priv->throttled) {
+ usb_fill_bulk_urb(priv->bulk_read_urb, priv->udev,
+ usb_rcvbulkpipe(priv->udev,
+ priv->bulk_address),
+ priv->bulk_in_buffer, priv->buffer_size,
+ opticon_bulk_callback, priv);
+ result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
+ if (result)
+ dev_err(&port->dev,
+ "%s - failed resubmitting read urb, error %d\n",
+ __func__, result);
+ } else
+ priv->actually_throttled = true;
+ spin_unlock(&priv->lock);
+}
+
+static int opticon_open(struct tty_struct *tty, struct usb_serial_port *port,
+ struct file *filp)
+{
+ struct opticon_private *priv = usb_get_serial_data(port->serial);
+ unsigned long flags;
+ int result = 0;
+
+ dbg("%s - port %d", __func__, port->number);
+
+ spin_lock_irqsave(&priv->lock, flags);
+ priv->throttled = false;
+ priv->actually_throttled = false;
+ priv->port = port;
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ /*
+ * Force low_latency on so that our tty_push actually forces the data
+ * through, otherwise it is scheduled, and with high data rates (like
+ * with OHCI) data can get lost.
+ */
+ if (tty)
+ tty->low_latency = 1;
+
+ /* Start reading from the device */
+ usb_fill_bulk_urb(priv->bulk_read_urb, priv->udev,
+ usb_rcvbulkpipe(priv->udev,
+ priv->bulk_address),
+ priv->bulk_in_buffer, priv->buffer_size,
+ opticon_bulk_callback, priv);
+ result = usb_submit_urb(priv->bulk_read_urb, GFP_KERNEL);
+ if (result)
+ dev_err(&port->dev,
+ "%s - failed resubmitting read urb, error %d\n",
+ __func__, result);
+ return result;
+}
+
+static void opticon_close(struct tty_struct *tty, struct usb_serial_port *port,
+ struct file *filp)
+{
+ struct opticon_private *priv = usb_get_serial_data(port->serial);
+
+ dbg("%s - port %d", __func__, port->number);
+
+ /* shutdown our urbs */
+ usb_kill_urb(priv->bulk_read_urb);
+}
+
+static void opticon_throttle(struct tty_struct *tty)
+{
+ struct usb_serial_port *port = tty->driver_data;
+ struct opticon_private *priv = usb_get_serial_data(port->serial);
+ unsigned long flags;
+
+ dbg("%s - port %d", __func__, port->number);
+ spin_lock_irqsave(&priv->lock, flags);
+ priv->throttled = true;
+ spin_unlock_irqrestore(&priv->lock, flags);
+}
+
+
+static void opticon_unthrottle(struct tty_struct *tty)
+{
+ struct usb_serial_port *port = tty->driver_data;
+ struct opticon_private *priv = usb_get_serial_data(port->serial);
+ unsigned long flags;
+ int result;
+
+ dbg("%s - port %d", __func__, port->number);
+
+ spin_lock_irqsave(&priv->lock, flags);
+ priv->throttled = false;
+ priv->actually_throttled = false;
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ priv->bulk_read_urb->dev = port->serial->dev;
+ result = usb_submit_urb(priv->bulk_read_urb, GFP_ATOMIC);
+ if (result)
+ dev_err(&port->dev,
+ "%s - failed submitting read urb, error %d\n",
+ __func__, result);
+}
+
+static int opticon_startup(struct usb_serial *serial)
+{
+ struct opticon_private *priv;
+ struct usb_host_interface *intf;
+ int i;
+ int retval = -ENOMEM;
+ bool bulk_in_found = false;
+
+ /* create our private serial structure */
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (priv == NULL) {
+ dev_err(&serial->dev->dev, "%s - Out of memory\n", __func__);
+ return -ENOMEM;
+ }
+ spin_lock_init(&priv->lock);
+ priv->serial = serial;
+ priv->port = serial->port[0];
+ priv->udev = serial->dev;
+
+ /* find our bulk endpoint */
+ intf = serial->interface->altsetting;
+ for (i = 0; i < intf->desc.bNumEndpoints; ++i) {
+ struct usb_endpoint_descriptor *endpoint;
+
+ endpoint = &intf->endpoint[i].desc;
+ if (!usb_endpoint_is_bulk_in(endpoint))
+ continue;
+
+ priv->bulk_read_urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!priv->bulk_read_urb) {
+ dev_err(&priv->udev->dev, "out of memory\n");
+ goto error;
+ }
+
+ priv->buffer_size = le16_to_cpu(endpoint->wMaxPacketSize) * 2;
+ priv->bulk_in_buffer = kmalloc(priv->buffer_size, GFP_KERNEL);
+ if (!priv->bulk_in_buffer) {
+ dev_err(&priv->udev->dev, "out of memory\n");
+ goto error;
+ }
+
+ priv->bulk_address = endpoint->bEndpointAddress;
+
+ /* set up our bulk urb */
+ usb_fill_bulk_urb(priv->bulk_read_urb, priv->udev,
+ usb_rcvbulkpipe(priv->udev,
+ endpoint->bEndpointAddress),
+ priv->bulk_in_buffer, priv->buffer_size,
+ opticon_bulk_callback, priv);
+
+ bulk_in_found = true;
+ break;
+ }
+
+ if (!bulk_in_found) {
+ dev_err(&priv->udev->dev,
+ "Error - the proper endpoints were not found!\n");
+ goto error;
+ }
+
+ usb_set_serial_data(serial, priv);
+ return 0;
+
+error:
+ usb_free_urb(priv->bulk_read_urb);
+ kfree(priv->bulk_in_buffer);
+ kfree(priv);
+ return retval;
+}
+
+static void opticon_shutdown(struct usb_serial *serial)
+{
+ struct opticon_private *priv = usb_get_serial_data(serial);
+
+ dbg("%s", __func__);
+
+ usb_kill_urb(priv->bulk_read_urb);
+ usb_free_urb(priv->bulk_read_urb);
+ kfree(priv->bulk_in_buffer);
+ kfree(priv);
+ usb_set_serial_data(serial, NULL);
+}
+
+
+static struct usb_driver opticon_driver = {
+ .name = "opticon",
+ .probe = usb_serial_probe,
+ .disconnect = usb_serial_disconnect,
+ .id_table = id_table,
+ .no_dynamic_id = 1,
+};
+
+static struct usb_serial_driver opticon_device = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "opticon",
+ },
+ .id_table = id_table,
+ .usb_driver = &opticon_driver,
+ .num_ports = 1,
+ .attach = opticon_startup,
+ .open = opticon_open,
+ .close = opticon_close,
+ .shutdown = opticon_shutdown,
+ .throttle = opticon_throttle,
+ .unthrottle = opticon_unthrottle,
+};
+
+static int __init opticon_init(void)
+{
+ int retval;
+
+ retval = usb_serial_register(&opticon_device);
+ if (retval)
+ return retval;
+ retval = usb_register(&opticon_driver);
+ if (retval)
+ usb_serial_deregister(&opticon_device);
+ return retval;
+}
+
+static void __exit opticon_exit(void)
+{
+ usb_deregister(&opticon_driver);
+ usb_serial_deregister(&opticon_device);
+}
+
+module_init(opticon_init);
+module_exit(opticon_exit);
+MODULE_LICENSE("GPL");
+
+module_param(debug, bool, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(debug, "Debug enabled or not");
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 809697b3c7fc..5ed183477aaf 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -522,9 +522,9 @@ static int debug;
/* per port private data */
#define N_IN_URB 4
-#define N_OUT_URB 1
+#define N_OUT_URB 4
#define IN_BUFLEN 4096
-#define OUT_BUFLEN 128
+#define OUT_BUFLEN 4096
struct option_port_private {
/* Input endpoints and buffer for this port */
@@ -654,10 +654,6 @@ static int option_write(struct tty_struct *tty, struct usb_serial_port *port,
usb_unlink_urb(this_urb);
continue;
}
- if (this_urb->status != 0)
- dbg("usb_write %p failed (err=%d)",
- this_urb, this_urb->status);
-
dbg("%s: endpoint %d buf %d", __func__,
usb_pipeendpoint(this_urb->pipe), i);
@@ -669,8 +665,7 @@ static int option_write(struct tty_struct *tty, struct usb_serial_port *port,
err = usb_submit_urb(this_urb, GFP_ATOMIC);
if (err) {
dbg("usb_submit_urb %p (write bulk) failed "
- "(%d, has %d)", this_urb,
- err, this_urb->status);
+ "(%d)", this_urb, err);
clear_bit(i, &portdata->out_busy);
continue;
}
diff --git a/drivers/usb/serial/siemens_mpi.c b/drivers/usb/serial/siemens_mpi.c
new file mode 100644
index 000000000000..951ea0c6ba77
--- /dev/null
+++ b/drivers/usb/serial/siemens_mpi.c
@@ -0,0 +1,77 @@
+/*
+ * Siemens USB-MPI Serial USB driver
+ *
+ * Copyright (C) 2005 Thomas Hergenhahn <thomas.hergenhahn@suse.de>
+ * Copyright (C) 2005,2008 Greg Kroah-Hartman <gregkh@suse.de>
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/usb/serial.h>
+
+/* Version Information */
+#define DRIVER_VERSION "Version 0.1 09/26/2005"
+#define DRIVER_AUTHOR "Thomas Hergenhahn@web.de http://libnodave.sf.net"
+#define DRIVER_DESC "Driver for Siemens USB/MPI adapter"
+
+
+static struct usb_device_id id_table[] = {
+ /* Vendor and product id for 6ES7-972-0CB20-0XA0 */
+ { USB_DEVICE(0x908, 0x0004) },
+ { },
+};
+MODULE_DEVICE_TABLE(usb, id_table);
+
+static struct usb_driver siemens_usb_mpi_driver = {
+ .name = "siemens_mpi",
+ .probe = usb_serial_probe,
+ .disconnect = usb_serial_disconnect,
+ .id_table = id_table,
+};
+
+static struct usb_serial_driver siemens_usb_mpi_device = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "siemens_mpi",
+ },
+ .id_table = id_table,
+ .num_ports = 1,
+};
+
+static int __init siemens_usb_mpi_init(void)
+{
+ int retval;
+
+ retval = usb_serial_register(&siemens_usb_mpi_device);
+ if (retval)
+ goto failed_usb_serial_register;
+ retval = usb_register(&siemens_usb_mpi_driver);
+ if (retval)
+ goto failed_usb_register;
+ printk(KERN_INFO DRIVER_DESC "\n");
+ printk(KERN_INFO DRIVER_VERSION " " DRIVER_AUTHOR "\n");
+ return retval;
+failed_usb_register:
+ usb_serial_deregister(&siemens_usb_mpi_device);
+failed_usb_serial_register:
+ return retval;
+}
+
+static void __exit siemens_usb_mpi_exit(void)
+{
+ usb_deregister(&siemens_usb_mpi_driver);
+ usb_serial_deregister(&siemens_usb_mpi_device);
+}
+
+module_init(siemens_usb_mpi_init);
+module_exit(siemens_usb_mpi_exit);
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index a65bc2bd8e71..5e7528cc81a8 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -709,21 +709,20 @@ static void spcp8x5_read_bulk_callback(struct urb *urb)
unsigned char *data = urb->transfer_buffer;
unsigned long flags;
int i;
- int result;
- u8 status = 0;
+ int result = urb->status;
+ u8 status;
char tty_flag;
- dev_dbg(&port->dev, "start, urb->status = %d, "
- "urb->actual_length = %d\n,", urb->status, urb->actual_length);
+ dev_dbg(&port->dev, "start, result = %d, urb->actual_length = %d\n,",
+ result, urb->actual_length);
/* check the urb status */
- if (urb->status) {
+ if (result) {
if (!port->port.count)
return;
- if (urb->status == -EPROTO) {
+ if (result == -EPROTO) {
/* spcp8x5 mysteriously fails with -EPROTO */
/* reschedule the read */
- urb->status = 0;
urb->dev = port->serial->dev;
result = usb_submit_urb(urb , GFP_ATOMIC);
if (result)
@@ -833,8 +832,9 @@ static void spcp8x5_write_bulk_callback(struct urb *urb)
struct usb_serial_port *port = urb->context;
struct spcp8x5_private *priv = usb_get_serial_port_data(port);
int result;
+ int status = urb->status;
- switch (urb->status) {
+ switch (status) {
case 0:
/* success */
break;
@@ -843,14 +843,14 @@ static void spcp8x5_write_bulk_callback(struct urb *urb)
case -ESHUTDOWN:
/* this urb is terminated, clean up */
dev_dbg(&port->dev, "urb shutting down with status: %d\n",
- urb->status);
+ status);
priv->write_urb_in_use = 0;
return;
default:
/* error in the urb, so we have to resubmit it */
dbg("%s - Overflow in write", __func__);
dbg("%s - nonzero write bulk status received: %d",
- __func__, urb->status);
+ __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);
diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c
index fc5d9952b03b..6c9cbb59552a 100644
--- a/drivers/usb/serial/usb_debug.c
+++ b/drivers/usb/serial/usb_debug.c
@@ -31,7 +31,7 @@ static struct usb_driver debug_driver = {
.no_dynamic_id = 1,
};
-int usb_debug_open(struct tty_struct *tty, struct usb_serial_port *port,
+static int usb_debug_open(struct tty_struct *tty, struct usb_serial_port *port,
struct file *filp)
{
port->bulk_out_size = USB_DEBUG_MAX_PACKET_SIZE;
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-24 02:06:22 +0300