USB: option: Add USB ID for Novatel MC727/U727/USB727 refresh
[pandora-kernel.git] / drivers / usb / serial / option.c
index 7817b82..ff61f89 100644 (file)
 #include <linux/usb/serial.h>
 
 /* Function prototypes */
+static int  option_probe(struct usb_serial *serial,
+                       const struct usb_device_id *id);
 static int  option_open(struct tty_struct *tty, struct usb_serial_port *port,
                                                        struct file *filp);
-static void option_close(struct tty_struct *tty, struct usb_serial_port *port,
-                                                       struct file *filp);
+static void option_close(struct usb_serial_port *port);
+static void option_dtr_rts(struct usb_serial_port *port, int on);
+
 static int  option_startup(struct usb_serial *serial);
-static void option_shutdown(struct usb_serial *serial);
+static void option_disconnect(struct usb_serial *serial);
+static void option_release(struct usb_serial *serial);
 static int  option_write_room(struct tty_struct *tty);
 
 static void option_instat_callback(struct urb *urb);
@@ -61,9 +65,11 @@ static void option_set_termios(struct tty_struct *tty,
 static int  option_tiocmget(struct tty_struct *tty, struct file *file);
 static int  option_tiocmset(struct tty_struct *tty, struct file *file,
                                unsigned int set, unsigned int clear);
-static int  option_send_setup(struct tty_struct *tty, struct usb_serial_port *port);
+static int  option_send_setup(struct usb_serial_port *port);
+#ifdef CONFIG_PM
 static int  option_suspend(struct usb_serial *serial, pm_message_t message);
 static int  option_resume(struct usb_serial *serial);
+#endif
 
 /* Vendor and product IDs */
 #define OPTION_VENDOR_ID                       0x0AF0
@@ -201,9 +207,11 @@ static int  option_resume(struct usb_serial *serial);
 #define NOVATELWIRELESS_PRODUCT_MC727          0x4100
 #define NOVATELWIRELESS_PRODUCT_MC950D         0x4400
 #define NOVATELWIRELESS_PRODUCT_U727           0x5010
+#define NOVATELWIRELESS_PRODUCT_MC727_NEW      0x5100
+#define NOVATELWIRELESS_PRODUCT_MC760          0x6000
+#define NOVATELWIRELESS_PRODUCT_OVMC760                0x6002
 
 /* FUTURE NOVATEL PRODUCTS */
-#define NOVATELWIRELESS_PRODUCT_EVDO_FULLSPEED 0X6000
 #define NOVATELWIRELESS_PRODUCT_EVDO_HIGHSPEED 0X6001
 #define NOVATELWIRELESS_PRODUCT_HSPA_FULLSPEED 0X7000
 #define NOVATELWIRELESS_PRODUCT_HSPA_HIGHSPEED 0X7001
@@ -254,11 +262,6 @@ static int  option_resume(struct usb_serial *serial);
 #define AXESSTEL_VENDOR_ID                     0x1726
 #define AXESSTEL_PRODUCT_MV110H                        0x1000
 
-#define ONDA_VENDOR_ID                         0x19d2
-#define ONDA_PRODUCT_MSA501HS                  0x0001
-#define ONDA_PRODUCT_ET502HS                   0x0002
-#define ONDA_PRODUCT_MT503HS                   0x2000
-
 #define BANDRICH_VENDOR_ID                     0x1A8D
 #define BANDRICH_PRODUCT_C100_1                        0x1002
 #define BANDRICH_PRODUCT_C100_2                        0x1003
@@ -303,6 +306,19 @@ static int  option_resume(struct usb_serial *serial);
 #define DLINK_VENDOR_ID                                0x1186
 #define DLINK_PRODUCT_DWM_652                  0x3e04
 
+#define QISDA_VENDOR_ID                                0x1da5
+#define QISDA_PRODUCT_H21_4512                 0x4512
+#define QISDA_PRODUCT_H21_4523                 0x4523
+#define QISDA_PRODUCT_H20_4515                 0x4515
+#define QISDA_PRODUCT_H20_4519                 0x4519
+
+
+/* TOSHIBA PRODUCTS */
+#define TOSHIBA_VENDOR_ID                      0x0930
+#define TOSHIBA_PRODUCT_HSDPA_MINICARD         0x1302
+
+#define ALINK_VENDOR_ID                                0x1e0e
+#define ALINK_PRODUCT_3GU                      0x9200
 
 static struct usb_device_id option_ids[] = {
        { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
@@ -420,8 +436,10 @@ static struct usb_device_id option_ids[] = {
        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU870D) }, /* Novatel EU850D/EU860D/EU870D */
        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC950D) }, /* Novatel MC930D/MC950D */
        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727) }, /* Novatel MC727/U727/USB727 */
+       { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727_NEW) }, /* Novatel MC727/U727/USB727 refresh */
        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U727) }, /* Novatel MC727/U727/USB727 */
-       { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_FULLSPEED) }, /* Novatel EVDO product */
+       { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC760) }, /* Novatel MC760/U760/USB760 */
+       { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_OVMC760) }, /* Novatel Ovation MC760 */
        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_FULLSPEED) }, /* Novatel HSPA product */
        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_FULLSPEED) }, /* Novatel EVDO Embedded product */
        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED) }, /* Novatel HSPA Embedded product */
@@ -455,42 +473,6 @@ static struct usb_device_id option_ids[] = {
        { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
        { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) },
        { USB_DEVICE(AXESSTEL_VENDOR_ID, AXESSTEL_PRODUCT_MV110H) },
-       { USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_MSA501HS) },
-       { USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_ET502HS) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0003) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0004) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0005) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0006) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0007) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0008) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0009) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x000a) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x000b) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x000c) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x000d) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x000e) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x000f) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0010) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0011) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0012) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0013) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0014) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0015) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0016) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0017) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0018) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0019) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0020) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0021) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0022) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0023) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0024) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0025) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0026) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0027) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0028) },
-       { USB_DEVICE(ONDA_VENDOR_ID, 0x0029) },
-       { USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_MT503HS) },
        { USB_DEVICE(YISO_VENDOR_ID, YISO_PRODUCT_U893) },
        { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) },
        { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) },
@@ -515,13 +497,83 @@ static struct usb_device_id option_ids[] = {
        { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
        { USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */
        { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
-       { USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622) },
-       { USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_MF626) },
-       { USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_MF628) },
-       { USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0003, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0004, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0005, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0006, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0007, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0008, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0009, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000a, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000b, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000c, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000d, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000e, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000f, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0010, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0011, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0012, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0013, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF628, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0016, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0017, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0018, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0019, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0020, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0021, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0022, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0023, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0024, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0025, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0026, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0028, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0029, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0030, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF626, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0032, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0033, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0037, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0039, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0042, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0043, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0048, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0049, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0051, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0052, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0054, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0055, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0057, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0058, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0061, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0062, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0063, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0064, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0066, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0069, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0076, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0078, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0082, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0086, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2002, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2003, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0014, 0xff, 0xff, 0xff) }, /* ZTE CDMA products */
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0027, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0059, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0060, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0070, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0073, 0xff, 0xff, 0xff) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH, 0xff, 0xff, 0xff) },
        { USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
        { USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) },
-       { USB_DEVICE(0x1da5, 0x4515) }, /* BenQ H20 */
+       { USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4512) },
+       { USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4523) },
+       { USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4515) },
+       { USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4519) },
+       { USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_HSDPA_MINICARD ) }, /* Toshiba 3G HSDPA == Novatel Expedite EU870D MiniCard */
+       { USB_DEVICE(ALINK_VENDOR_ID, 0x9000) },
+       { USB_DEVICE_AND_INTERFACE_INFO(ALINK_VENDOR_ID, ALINK_PRODUCT_3GU, 0xff, 0xff, 0xff) },
        { } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
@@ -530,8 +582,10 @@ static struct usb_driver option_driver = {
        .name       = "option",
        .probe      = usb_serial_probe,
        .disconnect = usb_serial_disconnect,
+#ifdef CONFIG_PM
        .suspend    = usb_serial_suspend,
        .resume     = usb_serial_resume,
+#endif
        .id_table   = option_ids,
        .no_dynamic_id =        1,
 };
@@ -549,8 +603,10 @@ static struct usb_serial_driver option_1port_device = {
        .usb_driver        = &option_driver,
        .id_table          = option_ids,
        .num_ports         = 1,
+       .probe             = option_probe,
        .open              = option_open,
        .close             = option_close,
+       .dtr_rts           = option_dtr_rts,
        .write             = option_write,
        .write_room        = option_write_room,
        .chars_in_buffer   = option_chars_in_buffer,
@@ -558,10 +614,13 @@ static struct usb_serial_driver option_1port_device = {
        .tiocmget          = option_tiocmget,
        .tiocmset          = option_tiocmset,
        .attach            = option_startup,
-       .shutdown          = option_shutdown,
+       .disconnect        = option_disconnect,
+       .release           = option_release,
        .read_int_callback = option_instat_callback,
+#ifdef CONFIG_PM
        .suspend           = option_suspend,
        .resume            = option_resume,
+#endif
 };
 
 static int debug;
@@ -624,13 +683,25 @@ static void __exit option_exit(void)
 module_init(option_init);
 module_exit(option_exit);
 
+static int option_probe(struct usb_serial *serial,
+                       const struct usb_device_id *id)
+{
+       /* D-Link DWM 652 still exposes CD-Rom emulation interface in modem mode */
+       if (serial->dev->descriptor.idVendor == DLINK_VENDOR_ID &&
+               serial->dev->descriptor.idProduct == DLINK_PRODUCT_DWM_652 &&
+               serial->interface->cur_altsetting->desc.bInterfaceClass == 0x8)
+               return -ENODEV;
+
+       return 0;
+}
+
 static void option_set_termios(struct tty_struct *tty,
                struct usb_serial_port *port, struct ktermios *old_termios)
 {
        dbg("%s", __func__);
        /* Doesn't support option setting */
        tty_termios_copy_hw(tty->termios, old_termios);
-       option_send_setup(tty, port);
+       option_send_setup(port);
 }
 
 static int option_tiocmget(struct tty_struct *tty, struct file *file)
@@ -669,7 +740,7 @@ static int option_tiocmset(struct tty_struct *tty, struct file *file,
                portdata->rts_state = 0;
        if (clear & TIOCM_DTR)
                portdata->dtr_state = 0;
-       return option_send_setup(tty, port);
+       return option_send_setup(port);
 }
 
 /* Write */
@@ -708,7 +779,6 @@ static int option_write(struct tty_struct *tty, struct usb_serial_port *port,
                memcpy(this_urb->transfer_buffer, buf, todo);
                this_urb->transfer_buffer_length = todo;
 
-               this_urb->dev = port->serial->dev;
                err = usb_submit_urb(this_urb, GFP_ATOMIC);
                if (err) {
                        dbg("usb_submit_urb %p (write bulk) failed "
@@ -792,7 +862,6 @@ static void option_instat_callback(struct urb *urb)
        int status = urb->status;
        struct usb_serial_port *port =  urb->context;
        struct option_port_private *portdata = usb_get_serial_port_data(port);
-       struct usb_serial *serial = port->serial;
 
        dbg("%s", __func__);
        dbg("%s: urb %p port %p has data %p", __func__, urb, port, portdata);
@@ -836,7 +905,6 @@ static void option_instat_callback(struct urb *urb)
 
        /* Resubmit urb so we continue receiving IRQ data */
        if (status != -ESHUTDOWN && status != -ENOENT) {
-               urb->dev = serial->dev;
                err = usb_submit_urb(urb, GFP_ATOMIC);
                if (err)
                        dbg("%s: resubmit intr urb failed. (%d)",
@@ -889,7 +957,6 @@ static int option_open(struct tty_struct *tty,
                        struct usb_serial_port *port, struct file *filp)
 {
        struct option_port_private *portdata;
-       struct usb_serial *serial = port->serial;
        int i, err;
        struct urb *urb;
 
@@ -897,27 +964,11 @@ static int option_open(struct tty_struct *tty,
 
        dbg("%s", __func__);
 
-       /* Set some sane defaults */
-       portdata->rts_state = 1;
-       portdata->dtr_state = 1;
-
-       /* Reset low level data toggle and start reading from endpoints */
+       /* Start reading from the IN endpoint */
        for (i = 0; i < N_IN_URB; i++) {
                urb = portdata->in_urbs[i];
                if (!urb)
                        continue;
-               if (urb->dev != serial->dev) {
-                       dbg("%s: dev %p != %p", __func__,
-                               urb->dev, serial->dev);
-                       continue;
-               }
-
-               /*
-                * make sure endpoint data toggle is synchronized with the
-                * device
-                */
-               usb_clear_halt(urb->dev, urb->pipe);
-
                err = usb_submit_urb(urb, GFP_KERNEL);
                if (err) {
                        dbg("%s: submit urb %d failed (%d) %d",
@@ -926,47 +977,43 @@ static int option_open(struct tty_struct *tty,
                }
        }
 
-       /* Reset low level data toggle on out endpoints */
-       for (i = 0; i < N_OUT_URB; i++) {
-               urb = portdata->out_urbs[i];
-               if (!urb)
-                       continue;
-               urb->dev = serial->dev;
-               /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe),
-                               usb_pipeout(urb->pipe), 0); */
-       }
-
-       option_send_setup(tty, port);
+       option_send_setup(port);
 
        return 0;
 }
 
-static void option_close(struct tty_struct *tty,
-                       struct usb_serial_port *port, struct file *filp)
+static void option_dtr_rts(struct usb_serial_port *port, int on)
 {
-       int i;
        struct usb_serial *serial = port->serial;
        struct option_port_private *portdata;
 
        dbg("%s", __func__);
        portdata = usb_get_serial_port_data(port);
+       mutex_lock(&serial->disc_mutex);
+       portdata->rts_state = on;
+       portdata->dtr_state = on;
+       if (serial->dev)
+               option_send_setup(port);
+       mutex_unlock(&serial->disc_mutex);
+}
 
-       portdata->rts_state = 0;
-       portdata->dtr_state = 0;
 
-       if (serial->dev) {
-               mutex_lock(&serial->disc_mutex);
-               if (!serial->disconnected)
-                       option_send_setup(tty, port);
-               mutex_unlock(&serial->disc_mutex);
+static void option_close(struct usb_serial_port *port)
+{
+       int i;
+       struct usb_serial *serial = port->serial;
+       struct option_port_private *portdata;
+
+       dbg("%s", __func__);
+       portdata = usb_get_serial_port_data(port);
 
+       if (serial->dev) {
                /* Stop reading/writing urbs */
                for (i = 0; i < N_IN_URB; i++)
                        usb_kill_urb(portdata->in_urbs[i]);
                for (i = 0; i < N_OUT_URB; i++)
                        usb_kill_urb(portdata->out_urbs[i]);
        }
-       tty_port_tty_set(&port->port, NULL);
 }
 
 /* Helper functions used by option_setup_urbs */
@@ -1032,28 +1079,24 @@ static void option_setup_urbs(struct usb_serial *serial)
  * This is exactly the same as SET_CONTROL_LINE_STATE from the PSTN
  * CDC.
 */
-static int option_send_setup(struct tty_struct *tty,
-                                               struct usb_serial_port *port)
+static int option_send_setup(struct usb_serial_port *port)
 {
        struct usb_serial *serial = port->serial;
        struct option_port_private *portdata;
        int ifNum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
+       int val = 0;
        dbg("%s", __func__);
 
        portdata = usb_get_serial_port_data(port);
 
-       if (tty) {
-               int val = 0;
-               if (portdata->dtr_state)
-                       val |= 0x01;
-               if (portdata->rts_state)
-                       val |= 0x02;
+       if (portdata->dtr_state)
+               val |= 0x01;
+       if (portdata->rts_state)
+               val |= 0x02;
 
-               return usb_control_msg(serial->dev,
-                       usb_rcvctrlpipe(serial->dev, 0),
-                       0x22, 0x21, val, ifNum, NULL, 0, USB_CTRL_SET_TIMEOUT);
-       }
-       return 0;
+       return usb_control_msg(serial->dev,
+               usb_rcvctrlpipe(serial->dev, 0),
+               0x22, 0x21, val, ifNum, NULL, 0, USB_CTRL_SET_TIMEOUT);
 }
 
 static int option_startup(struct usb_serial *serial)
@@ -1129,7 +1172,14 @@ static void stop_read_write_urbs(struct usb_serial *serial)
        }
 }
 
-static void option_shutdown(struct usb_serial *serial)
+static void option_disconnect(struct usb_serial *serial)
+{
+       dbg("%s", __func__);
+
+       stop_read_write_urbs(serial);
+}
+
+static void option_release(struct usb_serial *serial)
 {
        int i, j;
        struct usb_serial_port *port;
@@ -1137,8 +1187,6 @@ static void option_shutdown(struct usb_serial *serial)
 
        dbg("%s", __func__);
 
-       stop_read_write_urbs(serial);
-
        /* Now free them */
        for (i = 0; i < serial->num_ports; ++i) {
                port = serial->port[i];
@@ -1168,6 +1216,7 @@ static void option_shutdown(struct usb_serial *serial)
        }
 }
 
+#ifdef CONFIG_PM
 static int option_suspend(struct usb_serial *serial, pm_message_t message)
 {
        dbg("%s entered", __func__);
@@ -1191,7 +1240,6 @@ static int option_resume(struct usb_serial *serial)
                        dbg("%s: No interrupt URB for port %d\n", __func__, i);
                        continue;
                }
-               port->interrupt_in_urb->dev = serial->dev;
                err = usb_submit_urb(port->interrupt_in_urb, GFP_NOIO);
                dbg("Submitted interrupt URB for port %d (result %d)", i, err);
                if (err < 0) {
@@ -1227,6 +1275,7 @@ static int option_resume(struct usb_serial *serial)
        }
        return 0;
 }
+#endif
 
 MODULE_AUTHOR(DRIVER_AUTHOR);
 MODULE_DESCRIPTION(DRIVER_DESC);