diff options
Diffstat (limited to 'drivers/usb/serial/spcp8x5.c')
| -rw-r--r-- | drivers/usb/serial/spcp8x5.c | 70 |
1 files changed, 21 insertions, 49 deletions
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c index e0093dd22238..a454a3f1acb3 100644 --- a/drivers/usb/serial/spcp8x5.c +++ b/drivers/usb/serial/spcp8x5.c @@ -28,6 +28,9 @@ #define DRIVER_DESC "SPCP8x5 USB to serial adaptor driver" +#define SPCP825_QUIRK_NO_UART_STATUS 0x01 +#define SPCP825_QUIRK_NO_WORK_MODE 0x02 + #define SPCP8x5_007_VID 0x04FC #define SPCP8x5_007_PID 0x0201 #define SPCP8x5_008_VID 0x04fc @@ -44,7 +47,9 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(SPCP8x5_INTERMATIC_VID, SPCP8x5_INTERMATIC_PID)}, { USB_DEVICE(SPCP8x5_835_VID, SPCP8x5_835_PID)}, { USB_DEVICE(SPCP8x5_008_VID, SPCP8x5_008_PID)}, - { USB_DEVICE(SPCP8x5_007_VID, SPCP8x5_007_PID)}, + { USB_DEVICE(SPCP8x5_007_VID, SPCP8x5_007_PID), + .driver_info = SPCP825_QUIRK_NO_UART_STATUS | + SPCP825_QUIRK_NO_WORK_MODE }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, id_table); @@ -136,47 +141,32 @@ struct spcp8x5_usb_ctrl_arg { #define UART_OVERRUN_ERROR 0x40 #define UART_CTS 0x80 -enum spcp8x5_type { - SPCP825_007_TYPE, - SPCP825_008_TYPE, - SPCP825_PHILIP_TYPE, - SPCP825_INTERMATIC_TYPE, - SPCP835_TYPE, -}; - struct spcp8x5_private { + unsigned quirks; spinlock_t lock; - enum spcp8x5_type type; u8 line_control; u8 line_status; }; +static int spcp8x5_probe(struct usb_serial *serial, + const struct usb_device_id *id) +{ + usb_set_serial_data(serial, (void *)id); + + return 0; +} + static int spcp8x5_port_probe(struct usb_serial_port *port) { - struct usb_serial *serial = port->serial; + const struct usb_device_id *id = usb_get_serial_data(port->serial); struct spcp8x5_private *priv; - enum spcp8x5_type type = SPCP825_007_TYPE; - u16 product = le16_to_cpu(serial->dev->descriptor.idProduct); - - if (product == 0x0201) - type = SPCP825_007_TYPE; - else if (product == 0x0231) - type = SPCP835_TYPE; - else if (product == 0x0235) - type = SPCP825_008_TYPE; - else if (product == 0x0204) - type = SPCP825_INTERMATIC_TYPE; - else if (product == 0x0471 && - serial->dev->descriptor.idVendor == cpu_to_le16(0x081e)) - type = SPCP825_PHILIP_TYPE; - dev_dbg(&serial->dev->dev, "device type = %d\n", (int)type); priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; spin_lock_init(&priv->lock); - priv->type = type; + priv->quirks = id->driver_info; usb_set_serial_port_data(port, priv); @@ -193,18 +183,13 @@ static int spcp8x5_port_remove(struct usb_serial_port *port) return 0; } -/* - * Set the modem control line of the device. - * - * NOTE: not supported by spcp825-007 - */ static int spcp8x5_set_ctrl_line(struct usb_serial_port *port, u8 mcr) { struct spcp8x5_private *priv = usb_get_serial_port_data(port); struct usb_device *dev = port->serial->dev; int retval; - if (priv->type == SPCP825_007_TYPE) + if (priv->quirks & SPCP825_QUIRK_NO_UART_STATUS) return -EPERM; retval = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), @@ -217,11 +202,6 @@ static int spcp8x5_set_ctrl_line(struct usb_serial_port *port, u8 mcr) return retval; } -/* - * Get the modem status register of the device. - * - * NOTE: not supported by spcp825-007 - */ static int spcp8x5_get_msr(struct usb_serial_port *port, u8 *status) { struct spcp8x5_private *priv = usb_get_serial_port_data(port); @@ -229,9 +209,7 @@ static int spcp8x5_get_msr(struct usb_serial_port *port, u8 *status) u8 *buf; int ret; - /* I return Permited not support here but seem inval device - * is more fix */ - if (priv->type == SPCP825_007_TYPE) + if (priv->quirks & SPCP825_QUIRK_NO_UART_STATUS) return -EPERM; buf = kzalloc(1, GFP_KERNEL); @@ -251,11 +229,6 @@ static int spcp8x5_get_msr(struct usb_serial_port *port, u8 *status) return ret; } -/* - * Select the work mode. - * - * NOTE: not supported by spcp825-007 - */ static void spcp8x5_set_work_mode(struct usb_serial_port *port, u16 value, u16 index) { @@ -263,9 +236,7 @@ static void spcp8x5_set_work_mode(struct usb_serial_port *port, u16 value, struct usb_device *dev = port->serial->dev; int ret; - /* I return Permited not support here but seem inval device - * is more fix */ - if (priv->type == SPCP825_007_TYPE) + if (priv->quirks & SPCP825_QUIRK_NO_WORK_MODE) return; ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), @@ -518,6 +489,7 @@ static struct usb_serial_driver spcp8x5_device = { .init_termios = spcp8x5_init_termios, .tiocmget = spcp8x5_tiocmget, .tiocmset = spcp8x5_tiocmset, + .probe = spcp8x5_probe, .port_probe = spcp8x5_port_probe, .port_remove = spcp8x5_port_remove, }; |