diff options
Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
| -rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 2e06b90aa1f..5fc13e71791 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -101,6 +101,7 @@ 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 int ftdi_stmclite_probe(struct usb_serial *serial); +static int ftdi_8u2232c_probe(struct usb_serial *serial); static void ftdi_USB_UIRT_setup(struct ftdi_private *priv); static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv); @@ -128,6 +129,10 @@ static struct ftdi_sio_quirk ftdi_stmclite_quirk = { .probe = ftdi_stmclite_probe, }; +static struct ftdi_sio_quirk ftdi_8u2232c_quirk = { + .probe = ftdi_8u2232c_probe, +}; + /* * The 8U232AM has the same API as the sio except for: * - it can support MUCH higher baudrates; up to: @@ -151,6 +156,7 @@ static struct ftdi_sio_quirk ftdi_stmclite_quirk = { * /sys/bus/usb/ftdi_sio/new_id, then send patch/report! */ static struct usb_device_id id_table_combined [] = { + { USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) }, { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) }, @@ -177,7 +183,8 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) }, { USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) }, { USB_DEVICE(FTDI_VID, FTDI_232RL_PID) }, - { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) , + .driver_info = (kernel_ulong_t)&ftdi_8u2232c_quirk }, { USB_DEVICE(FTDI_VID, FTDI_4232H_PID) }, { USB_DEVICE(FTDI_VID, FTDI_232H_PID) }, { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) }, @@ -1171,7 +1178,7 @@ static __u32 get_ftdi_divisor(struct tty_struct *tty, case FT2232H: /* FT2232H chip */ case FT4232H: /* FT4232H chip */ case FT232H: /* FT232H chip */ - if ((baud <= 12000000) & (baud >= 1200)) { + if ((baud <= 12000000) && (baud >= 1200)) { div_value = ftdi_2232h_baud_to_divisor(baud); } else if (baud < 1200) { div_value = ftdi_232bm_baud_to_divisor(baud); @@ -1205,7 +1212,10 @@ static int change_speed(struct tty_struct *tty, struct usb_serial_port *port) urb_index_value = get_ftdi_divisor(tty, port); urb_value = (__u16)urb_index_value; urb_index = (__u16)(urb_index_value >> 16); - if (priv->interface) { /* FT2232C */ + if ((priv->chip_type == FT2232C) || (priv->chip_type == FT2232H) || + (priv->chip_type == FT4232H) || (priv->chip_type == FT232H)) { + /* Probably the BM type needs the MSB of the encoded fractional + * divider also moved like for the chips above. Any infos? */ urb_index = (__u16)((urb_index << 8) | priv->interface); } @@ -1733,6 +1743,18 @@ static int ftdi_jtag_probe(struct usb_serial *serial) return 0; } +static int ftdi_8u2232c_probe(struct usb_serial *serial) +{ + struct usb_device *udev = serial->dev; + + dbg("%s", __func__); + + if (strcmp(udev->manufacturer, "CALAO Systems") == 0) + return ftdi_jtag_probe(serial); + + return 0; +} + /* * First and second port on STMCLiteadaptors is reserved for JTAG interface * and the forth port for pio |