diff options
Diffstat (limited to 'drivers/usb/serial/io_ti.c')
| -rw-r--r-- | drivers/usb/serial/io_ti.c | 67 |
1 files changed, 64 insertions, 3 deletions
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 544098d2b775..0bd34f8a5db6 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 @@ static struct usb_device_id edgeport_2port_id_table [] = { { 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 @@ static struct usb_device_id id_table_combined [] = { { 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 TIStayInBootMode = 0; 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 int restart_read(struct edgeport_port *edge_port); 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 @@ static int edge_startup (struct usb_serial *serial) 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 @@ static void edge_shutdown (struct usb_serial *serial) 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 @@ static void edge_shutdown (struct usb_serial *serial) } +/* 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 @@ static struct usb_serial_driver edgeport_1port_device = { .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 @@ static struct usb_serial_driver edgeport_2port_device = { .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_PARM_DESC(closing_wait, "Maximum wait for data to drain, in .01 secs"); 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, ..."); + |