1 files changed, 68 insertions, 1 deletions

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 5f08702f672f..b574878c78b2 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -33,6 +33,7 @@
 #include <linux/errno.h>
 #include <linux/init.h>
 #include <linux/slab.h>
+#include <linux/smp_lock.h>
 #include <linux/tty.h>
 #include <linux/tty_driver.h>
 #include <linux/tty_flip.h>
@@ -107,6 +108,7 @@ struct ftdi_sio_quirk {
 
 static int   ftdi_jtag_probe(struct usb_serial *serial);
 static int   ftdi_mtxorb_hack_setup(struct usb_serial *serial);
+static int   ftdi_NDI_device_setup(struct usb_serial *serial);
 static void  ftdi_USB_UIRT_setup(struct ftdi_private *priv);
 static void  ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
 
@@ -118,6 +120,10 @@ static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = {
         .probe  = ftdi_mtxorb_hack_setup,
 };
 
+static struct ftdi_sio_quirk ftdi_NDI_device_quirk = {
+        .probe  = ftdi_NDI_device_setup,
+};
+
 static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
         .port_probe = ftdi_USB_UIRT_setup,
 };
@@ -191,6 +197,7 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
         { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
         { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
         { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
@@ -579,6 +586,9 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
         { USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
         { USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
         { USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
@@ -644,6 +654,16 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
         { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
+                .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
+        { USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
+                .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
+        { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
+                .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
+        { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
+                .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
+        { USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
+                .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
         { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
@@ -660,6 +680,8 @@ static struct usb_device_id id_table_combined [] = {
                 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
         { USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
                 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+        { USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
+                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
         { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
         { USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
         { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
@@ -667,7 +689,6 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
         { USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
         { USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
-        { USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID) },
         { USB_DEVICE(ATMEL_VID, STK541_PID) },
         { USB_DEVICE(DE_VID, STB_PID) },
         { USB_DEVICE(DE_VID, WHT_PID) },
@@ -677,6 +698,7 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
                 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
         { USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
+        { USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
         { },                                    /* Optional parameter entry */
         { }                                     /* Terminating entry */
 };
@@ -1023,6 +1045,16 @@ static __u32 get_ftdi_divisor(struct tty_struct *tty,
         case FT2232C: /* FT2232C chip */
         case FT232RL:
                 if (baud <= 3000000) {
+                        __u16 product_id = le16_to_cpu(
+                                port->serial->dev->descriptor.idProduct);
+                        if (((FTDI_NDI_HUC_PID == product_id) ||
+                             (FTDI_NDI_SPECTRA_SCU_PID == product_id) ||
+                             (FTDI_NDI_FUTURE_2_PID == product_id) ||
+                             (FTDI_NDI_FUTURE_3_PID == product_id) ||
+                             (FTDI_NDI_AURORA_SCU_PID == product_id)) &&
+                            (baud == 19200)) {
+                                baud = 1200000;
+                        }
                         div_value = ftdi_232bm_baud_to_divisor(baud);
                 } else {
                         dbg("%s - Baud rate too high!", __func__);
@@ -1554,6 +1586,39 @@ static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
 } /* ftdi_HE_TIRA1_setup */
 
 /*
+ * Module parameter to control latency timer for NDI FTDI-based USB devices.
+ * If this value is not set in modprobe.conf.local its value will be set to 1ms.
+ */
+static int ndi_latency_timer = 1;
+
+/* Setup for the NDI FTDI-based USB devices, which requires hardwired
+ * baudrate (19200 gets mapped to 1200000).
+ *
+ * Called from usbserial:serial_probe.
+ */
+static int ftdi_NDI_device_setup(struct usb_serial *serial)
+{
+        struct usb_device *udev = serial->dev;
+        int latency = ndi_latency_timer;
+        int rv = 0;
+        char buf[1];
+
+        if (latency == 0)
+                latency = 1;
+        if (latency > 99)
+                latency = 99;
+
+        dbg("%s setting NDI device latency to %d", __func__, latency);
+        dev_info(&udev->dev, "NDI device with a latency value of %d", latency);
+
+        rv = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+                                FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
+                                FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
+                                latency, 0, buf, 0, WDR_TIMEOUT);
+        return 0;
+}
+
+/*
  * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
  * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
  * userspace using openocd.
@@ -2622,3 +2687,5 @@ MODULE_PARM_DESC(vendor, "User specified vendor ID (default="
 module_param(product, ushort, 0);
 MODULE_PARM_DESC(product, "User specified product ID");
 
+module_param(ndi_latency_timer, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");