USB: io_ti: Digi EdgePort update for new devices
This patch adds support for the most recent Digi EdgePort USB serial
devices.
Signed-off-by: Martin K. Petersen <mkp@mkp.net>
Signed-off-by: Mike Swift <mikes@digi.com>
Signed-off-by: Jeremy McBane <jmcbane@digi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index 544098d..0bd34f8 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -48,7 +48,7 @@
/*
* Version Information
*/
-#define DRIVER_VERSION "v0.7"
+#define DRIVER_VERSION "v0.7mode043006"
#define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com> and David Iacovelli"
#define DRIVER_DESC "Edgeport USB Serial Driver"
@@ -173,8 +173,12 @@
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_221C) },
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_22C) },
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_21C) },
-// The 4-port shows up as two 2-port devices
+ /* The 4, 8 and 16 port devices show up as multiple 2 port devices */
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4S) },
+ { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8) },
+ { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8S) },
+ { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416) },
+ { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416B) },
{ }
};
@@ -209,6 +213,10 @@
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_22C) },
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_21C) },
{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_4S) },
+ { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8) },
+ { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_8S) },
+ { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416) },
+ { USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_416B) },
{ }
};
@@ -231,6 +239,7 @@
static int low_latency = EDGE_LOW_LATENCY;
static int closing_wait = EDGE_CLOSING_WAIT;
static int ignore_cpu_rev = 0;
+static int default_uart_mode = 0; /* RS232 */
static void edge_tty_recv(struct device *dev, struct tty_struct *tty, unsigned char *data, int length);
@@ -241,6 +250,10 @@
static void edge_set_termios (struct usb_serial_port *port, struct ktermios *old_termios);
static void edge_send(struct usb_serial_port *port);
+/* sysfs attributes */
+static int edge_create_sysfs_attrs(struct usb_serial_port *port);
+static int edge_remove_sysfs_attrs(struct usb_serial_port *port);
+
/* circular buffer */
static struct edge_buf *edge_buf_alloc(unsigned int size);
static void edge_buf_free(struct edge_buf *eb);
@@ -2758,7 +2771,7 @@
edge_port->port = serial->port[i];
edge_port->edge_serial = edge_serial;
usb_set_serial_port_data(serial->port[i], edge_port);
- edge_port->bUartMode = 0; /* Default is RS232 */
+ edge_port->bUartMode = default_uart_mode;
}
return 0;
@@ -2784,6 +2797,7 @@
for (i=0; i < serial->num_ports; ++i) {
edge_port = usb_get_serial_port_data(serial->port[i]);
+ edge_remove_sysfs_attrs(edge_port->port);
if (edge_port) {
edge_buf_free(edge_port->ep_out_buf);
kfree(edge_port);
@@ -2795,6 +2809,48 @@
}
+/* Sysfs Attributes */
+
+static ssize_t show_uart_mode(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct usb_serial_port *port = to_usb_serial_port(dev);
+ struct edgeport_port *edge_port = usb_get_serial_port_data(port);
+
+ return sprintf(buf, "%d\n", edge_port->bUartMode);
+}
+
+static ssize_t store_uart_mode(struct device *dev,
+ struct device_attribute *attr, const char *valbuf, size_t count)
+{
+ struct usb_serial_port *port = to_usb_serial_port(dev);
+ struct edgeport_port *edge_port = usb_get_serial_port_data(port);
+ unsigned int v = simple_strtoul(valbuf, NULL, 0);
+
+ dbg("%s: setting uart_mode = %d", __FUNCTION__, v);
+
+ if (v < 256)
+ edge_port->bUartMode = v;
+ else
+ dev_err(dev, "%s - uart_mode %d is invalid\n", __FUNCTION__, v);
+
+ return count;
+}
+
+static DEVICE_ATTR(uart_mode, S_IWUSR | S_IRUGO, show_uart_mode, store_uart_mode);
+
+static int edge_create_sysfs_attrs(struct usb_serial_port *port)
+{
+ return device_create_file(&port->dev, &dev_attr_uart_mode);
+}
+
+static int edge_remove_sysfs_attrs(struct usb_serial_port *port)
+{
+ device_remove_file(&port->dev, &dev_attr_uart_mode);
+ return 0;
+}
+
+
/* Circular Buffer */
/*
@@ -2991,6 +3047,7 @@
.unthrottle = edge_unthrottle,
.attach = edge_startup,
.shutdown = edge_shutdown,
+ .port_probe = edge_create_sysfs_attrs,
.ioctl = edge_ioctl,
.set_termios = edge_set_termios,
.tiocmget = edge_tiocmget,
@@ -3022,6 +3079,7 @@
.unthrottle = edge_unthrottle,
.attach = edge_startup,
.shutdown = edge_shutdown,
+ .port_probe = edge_create_sysfs_attrs,
.ioctl = edge_ioctl,
.set_termios = edge_set_termios,
.tiocmget = edge_tiocmget,
@@ -3085,3 +3143,6 @@
module_param(ignore_cpu_rev, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(ignore_cpu_rev, "Ignore the cpu revision when connecting to a device");
+module_param(default_uart_mode, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(default_uart_mode, "Default uart_mode, 0=RS232, ...");
+