From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761514Ab2C3VDc (ORCPT ); Fri, 30 Mar 2012 17:03:32 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:33001 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761415Ab2C3VD1 (ORCPT ); Fri, 30 Mar 2012 17:03:27 -0400 Message-Id: <20120330195723.425444640@linuxfoundation.org> User-Agent: quilt/0.60-19.1 Date: Fri, 30 Mar 2012 12:57:31 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Jim Paris Subject: [ 009/108] USB: ftdi_sio: add support for FT-X series devices In-Reply-To: <20120330195812.GA31833@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jim Paris commit dc0827c128c0ee5a58b822b99d662b59f4b8e970 upstream. Add PID 0x6015, corresponding to the new series of FT-X chips (FT220XD, FT201X, FT220X, FT221X, FT230X, FT231X, FT240X). They all appear as serial devices, and seem indistinguishable except for the default product string stored in their EEPROM. The baudrate generation matches FT232RL devices. Tested with a FT201X and FT230X at various baudrates (100 - 3000000). Sample dmesg: ftdi_sio: v1.6.0:USB FTDI Serial Converters Driver usb 2-1: new full-speed USB device number 6 using ohci_hcd usb 2-1: New USB device found, idVendor=0403, idProduct=6015 usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 2-1: Product: FT230X USB Half UART usb 2-1: Manufacturer: FTDI usb 2-1: SerialNumber: DC001WI6 ftdi_sio 2-1:1.0: FTDI USB Serial Device converter detected drivers/usb/serial/ftdi_sio.c: ftdi_sio_port_probe drivers/usb/serial/ftdi_sio.c: ftdi_determine_type: bcdDevice = 0x1000, bNumInterfaces = 1 usb 2-1: Detected FT-X usb 2-1: Number of endpoints 2 usb 2-1: Endpoint 1 MaxPacketSize 64 usb 2-1: Endpoint 2 MaxPacketSize 64 usb 2-1: Setting MaxPacketSize 64 drivers/usb/serial/ftdi_sio.c: read_latency_timer drivers/usb/serial/ftdi_sio.c: write_latency_timer: setting latency timer = 1 drivers/usb/serial/ftdi_sio.c: create_sysfs_attrs drivers/usb/serial/ftdi_sio.c: sysfs attributes for FT-X usb 2-1: FTDI USB Serial Device converter now attached to ttyUSB0 Signed-off-by: Jim Paris Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/ftdi_sio.c | 20 +++++++++++++++----- drivers/usb/serial/ftdi_sio.h | 3 ++- drivers/usb/serial/ftdi_sio_ids.h | 1 + 3 files changed, 18 insertions(+), 6 deletions(-) --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -187,6 +187,7 @@ static struct usb_device_id id_table_com .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_FTX_PID) }, { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) }, { USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) }, { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) }, @@ -869,7 +870,8 @@ static const char *ftdi_chip_name[] = { [FT232RL] = "FT232RL", [FT2232H] = "FT2232H", [FT4232H] = "FT4232H", - [FT232H] = "FT232H" + [FT232H] = "FT232H", + [FTX] = "FT-X" }; @@ -1167,7 +1169,8 @@ static __u32 get_ftdi_divisor(struct tty break; case FT232BM: /* FT232BM chip */ case FT2232C: /* FT2232C chip */ - case FT232RL: + case FT232RL: /* FT232RL chip */ + case FTX: /* FT-X series */ if (baud <= 3000000) { __u16 product_id = le16_to_cpu( port->serial->dev->descriptor.idProduct); @@ -1453,10 +1456,14 @@ static void ftdi_determine_type(struct u } else if (version < 0x900) { /* Assume it's an FT232RL */ priv->chip_type = FT232RL; - } else { + } else if (version < 0x1000) { /* Assume it's an FT232H */ priv->chip_type = FT232H; + } else { + /* Assume it's an FT-X series device */ + priv->chip_type = FTX; } + dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]); } @@ -1584,7 +1591,8 @@ static int create_sysfs_attrs(struct usb priv->chip_type == FT232RL || priv->chip_type == FT2232H || priv->chip_type == FT4232H || - priv->chip_type == FT232H)) { + priv->chip_type == FT232H || + priv->chip_type == FTX)) { retval = device_create_file(&port->dev, &dev_attr_latency_timer); } @@ -1606,7 +1614,8 @@ static void remove_sysfs_attrs(struct us priv->chip_type == FT232RL || priv->chip_type == FT2232H || priv->chip_type == FT4232H || - priv->chip_type == FT232H) { + priv->chip_type == FT232H || + priv->chip_type == FTX) { device_remove_file(&port->dev, &dev_attr_latency_timer); } } @@ -2263,6 +2272,7 @@ static int ftdi_tiocmget(struct tty_stru case FT2232H: case FT4232H: case FT232H: + case FTX: len = 2; break; default: --- a/drivers/usb/serial/ftdi_sio.h +++ b/drivers/usb/serial/ftdi_sio.h @@ -157,7 +157,8 @@ enum ftdi_chip_type { FT232RL = 5, FT2232H = 6, FT4232H = 7, - FT232H = 8 + FT232H = 8, + FTX = 9, }; enum ftdi_sio_baudrate { --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -23,6 +23,7 @@ #define FTDI_8U2232C_PID 0x6010 /* Dual channel device */ #define FTDI_4232H_PID 0x6011 /* Quad channel hi-speed device */ #define FTDI_232H_PID 0x6014 /* Single channel hi-speed device */ +#define FTDI_FTX_PID 0x6015 /* FT-X series (FT201X, FT230X, FT231X, etc) */ #define FTDI_SIO_PID 0x8372 /* Product Id SIO application of 8U100AX */ #define FTDI_232RL_PID 0xFBFA /* Product ID for FT232RL */