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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /drivers/usb/serial/ftdi_sio.h
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Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
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@@ -0,0 +1,777 @@
+/*
+ * Definitions for the FTDI USB Single Port Serial Converter -
+ * known as FTDI_SIO (Serial Input/Output application of the chipset)
+ *
+ * The example I have is known as the USC-1000 which is available from
+ * http://www.dse.co.nz - cat no XH4214 It looks similar to this:
+ * http://www.dansdata.com/usbser.htm but I can't be sure There are other
+ * USC-1000s which don't look like my device though so beware!
+ *
+ * The device is based on the FTDI FT8U100AX chip. It has a DB25 on one side,
+ * USB on the other.
+ *
+ * Thanx to FTDI (http://www.ftdi.co.uk) for so kindly providing details
+ * of the protocol required to talk to the device and ongoing assistence
+ * during development.
+ *
+ * Bill Ryder - bryder@sgi.com formerly of Silicon Graphics, Inc.- wrote the
+ * FTDI_SIO implementation.
+ *
+ * Philipp Gühring - pg@futureware.at - added the Device ID of the USB relais
+ * from Rudolf Gugler
+ *
+ */
+
+#define FTDI_VID 0x0403 /* Vendor Id */
+#define FTDI_SIO_PID 0x8372 /* Product Id SIO application of 8U100AX */
+#define FTDI_8U232AM_PID 0x6001 /* Similar device to SIO above */
+#define FTDI_8U232AM_ALT_PID 0x6006 /* FTDI's alternate PID for above */
+#define FTDI_8U232AM_ALT_ALT_PID 0xf3c0 /* FTDI's second alternate PID for above */
+#define FTDI_8U2232C_PID 0x6010 /* Dual channel device */
+#define FTDI_RELAIS_PID 0xFA10 /* Relais device from Rudolf Gugler */
+#define FTDI_NF_RIC_VID 0x0DCD /* Vendor Id */
+#define FTDI_NF_RIC_PID 0x0001 /* Product Id */
+
+/* www.irtrans.de device */
+#define FTDI_IRTRANS_PID 0xFC60 /* Product Id */
+
+/* www.crystalfontz.com devices - thanx for providing free devices for evaluation ! */
+/* they use the ftdi chipset for the USB interface and the vendor id is the same */
+#define FTDI_XF_632_PID 0xFC08 /* 632: 16x2 Character Display */
+#define FTDI_XF_634_PID 0xFC09 /* 634: 20x4 Character Display */
+#define FTDI_XF_547_PID 0xFC0A /* 547: Two line Display */
+#define FTDI_XF_633_PID 0xFC0B /* 633: 16x2 Character Display with Keys */
+#define FTDI_XF_631_PID 0xFC0C /* 631: 20x2 Character Display */
+#define FTDI_XF_635_PID 0xFC0D /* 635: 20x4 Character Display */
+#define FTDI_XF_640_PID 0xFC0E /* 640: Two line Display */
+#define FTDI_XF_642_PID 0xFC0F /* 642: Two line Display */
+
+/* Video Networks Limited / Homechoice in the UK use an ftdi-based device for their 1Mb */
+/* broadband internet service. The following PID is exhibited by the usb device supplied */
+/* (the VID is the standard ftdi vid (FTDI_VID) */
+#define FTDI_VNHCPCUSB_D_PID 0xfe38 /* Product Id */
+
+/*
+ * The following are the values for the Matrix Orbital LCD displays,
+ * which are the FT232BM ( similar to the 8U232AM )
+ */
+#define FTDI_MTXORB_0_PID 0xFA00 /* Matrix Orbital Product Id */
+#define FTDI_MTXORB_1_PID 0xFA01 /* Matrix Orbital Product Id */
+#define FTDI_MTXORB_2_PID 0xFA02 /* Matrix Orbital Product Id */
+#define FTDI_MTXORB_3_PID 0xFA03 /* Matrix Orbital Product Id */
+#define FTDI_MTXORB_4_PID 0xFA04 /* Matrix Orbital Product Id */
+#define FTDI_MTXORB_5_PID 0xFA05 /* Matrix Orbital Product Id */
+#define FTDI_MTXORB_6_PID 0xFA06 /* Matrix Orbital Product Id */
+
+/* Interbiometrics USB I/O Board */
+/* Developed for Interbiometrics by Rudolf Gugler */
+#define INTERBIOMETRICS_VID 0x1209
+#define INTERBIOMETRICS_IOBOARD_PID 0x1002
+#define INTERBIOMETRICS_MINI_IOBOARD_PID 0x1006
+
+/*
+ * The following are the values for the Perle Systems
+ * UltraPort USB serial converters
+ */
+#define FTDI_PERLE_ULTRAPORT_PID 0xF0C0 /* Perle UltraPort Product Id */
+
+/*
+ * The following are the values for the Sealevel SeaLINK+ adapters.
+ * (Original list sent by Tuan Hoang. Ian Abbott renamed the macros and
+ * removed some PIDs that don't seem to match any existing products.)
+ */
+#define SEALEVEL_VID 0x0c52 /* Sealevel Vendor ID */
+#define SEALEVEL_2101_PID 0x2101 /* SeaLINK+232 (2101/2105) */
+#define SEALEVEL_2102_PID 0x2102 /* SeaLINK+485 (2102) */
+#define SEALEVEL_2103_PID 0x2103 /* SeaLINK+232I (2103) */
+#define SEALEVEL_2104_PID 0x2104 /* SeaLINK+485I (2104) */
+#define SEALEVEL_2201_1_PID 0x2211 /* SeaPORT+2/232 (2201) Port 1 */
+#define SEALEVEL_2201_2_PID 0x2221 /* SeaPORT+2/232 (2201) Port 2 */
+#define SEALEVEL_2202_1_PID 0x2212 /* SeaPORT+2/485 (2202) Port 1 */
+#define SEALEVEL_2202_2_PID 0x2222 /* SeaPORT+2/485 (2202) Port 2 */
+#define SEALEVEL_2203_1_PID 0x2213 /* SeaPORT+2 (2203) Port 1 */
+#define SEALEVEL_2203_2_PID 0x2223 /* SeaPORT+2 (2203) Port 2 */
+#define SEALEVEL_2401_1_PID 0x2411 /* SeaPORT+4/232 (2401) Port 1 */
+#define SEALEVEL_2401_2_PID 0x2421 /* SeaPORT+4/232 (2401) Port 2 */
+#define SEALEVEL_2401_3_PID 0x2431 /* SeaPORT+4/232 (2401) Port 3 */
+#define SEALEVEL_2401_4_PID 0x2441 /* SeaPORT+4/232 (2401) Port 4 */
+#define SEALEVEL_2402_1_PID 0x2412 /* SeaPORT+4/485 (2402) Port 1 */
+#define SEALEVEL_2402_2_PID 0x2422 /* SeaPORT+4/485 (2402) Port 2 */
+#define SEALEVEL_2402_3_PID 0x2432 /* SeaPORT+4/485 (2402) Port 3 */
+#define SEALEVEL_2402_4_PID 0x2442 /* SeaPORT+4/485 (2402) Port 4 */
+#define SEALEVEL_2403_1_PID 0x2413 /* SeaPORT+4 (2403) Port 1 */
+#define SEALEVEL_2403_2_PID 0x2423 /* SeaPORT+4 (2403) Port 2 */
+#define SEALEVEL_2403_3_PID 0x2433 /* SeaPORT+4 (2403) Port 3 */
+#define SEALEVEL_2403_4_PID 0x2443 /* SeaPORT+4 (2403) Port 4 */
+#define SEALEVEL_2801_1_PID 0X2811 /* SeaLINK+8/232 (2801) Port 1 */
+#define SEALEVEL_2801_2_PID 0X2821 /* SeaLINK+8/232 (2801) Port 2 */
+#define SEALEVEL_2801_3_PID 0X2831 /* SeaLINK+8/232 (2801) Port 3 */
+#define SEALEVEL_2801_4_PID 0X2841 /* SeaLINK+8/232 (2801) Port 4 */
+#define SEALEVEL_2801_5_PID 0X2851 /* SeaLINK+8/232 (2801) Port 5 */
+#define SEALEVEL_2801_6_PID 0X2861 /* SeaLINK+8/232 (2801) Port 6 */
+#define SEALEVEL_2801_7_PID 0X2871 /* SeaLINK+8/232 (2801) Port 7 */
+#define SEALEVEL_2801_8_PID 0X2881 /* SeaLINK+8/232 (2801) Port 8 */
+#define SEALEVEL_2802_1_PID 0X2812 /* SeaLINK+8/485 (2802) Port 1 */
+#define SEALEVEL_2802_2_PID 0X2822 /* SeaLINK+8/485 (2802) Port 2 */
+#define SEALEVEL_2802_3_PID 0X2832 /* SeaLINK+8/485 (2802) Port 3 */
+#define SEALEVEL_2802_4_PID 0X2842 /* SeaLINK+8/485 (2802) Port 4 */
+#define SEALEVEL_2802_5_PID 0X2852 /* SeaLINK+8/485 (2802) Port 5 */
+#define SEALEVEL_2802_6_PID 0X2862 /* SeaLINK+8/485 (2802) Port 6 */
+#define SEALEVEL_2802_7_PID 0X2872 /* SeaLINK+8/485 (2802) Port 7 */
+#define SEALEVEL_2802_8_PID 0X2882 /* SeaLINK+8/485 (2802) Port 8 */
+#define SEALEVEL_2803_1_PID 0X2813 /* SeaLINK+8 (2803) Port 1 */
+#define SEALEVEL_2803_2_PID 0X2823 /* SeaLINK+8 (2803) Port 2 */
+#define SEALEVEL_2803_3_PID 0X2833 /* SeaLINK+8 (2803) Port 3 */
+#define SEALEVEL_2803_4_PID 0X2843 /* SeaLINK+8 (2803) Port 4 */
+#define SEALEVEL_2803_5_PID 0X2853 /* SeaLINK+8 (2803) Port 5 */
+#define SEALEVEL_2803_6_PID 0X2863 /* SeaLINK+8 (2803) Port 6 */
+#define SEALEVEL_2803_7_PID 0X2873 /* SeaLINK+8 (2803) Port 7 */
+#define SEALEVEL_2803_8_PID 0X2883 /* SeaLINK+8 (2803) Port 8 */
+
+/*
+ * DSS-20 Sync Station for Sony Ericsson P800
+ */
+
+#define FTDI_DSS20_PID 0xFC82
+
+/*
+ * Home Electronics (www.home-electro.com) USB gadgets
+ */
+#define FTDI_HE_TIRA1_PID 0xFA78 /* Tira-1 IR tranceiver */
+
+/* USB-UIRT - An infrared receiver and transmitter using the 8U232AM chip */
+/* http://home.earthlink.net/~jrhees/USBUIRT/index.htm */
+#define FTDI_USB_UIRT_PID 0xF850 /* Product Id */
+
+/* ELV USB Module UO100 (PID sent by Stefan Frings) */
+#define FTDI_ELV_UO100_PID 0xFB58 /* Product Id */
+
+/*
+ * Definitions for ID TECH (www.idt-net.com) devices
+ */
+#define IDTECH_VID 0x0ACD /* ID TECH Vendor ID */
+#define IDTECH_IDT1221U_PID 0x0300 /* IDT1221U USB to RS-232 adapter */
+
+/*
+ * Definitions for Omnidirectional Control Technology, Inc. devices
+ */
+#define OCT_VID 0x0B39 /* OCT vendor ID */
+/* Note: OCT US101 is also rebadged as Dick Smith Electronics (NZ) XH6381 */
+/* Also rebadged as SIIG Inc. model US2308 */
+#define OCT_US101_PID 0x0421 /* OCT US101 USB to RS-232 */
+
+/* an infrared receiver for user access control with IR tags */
+#define FTDI_PIEGROUP_PID 0xF208 /* Product Id */
+
+/*
+ * Protego product ids
+ */
+#define PROTEGO_SPECIAL_1 0xFC70 /* special/unknown device */
+#define PROTEGO_R2X0 0xFC71 /* R200-USB TRNG unit (R210, R220, and R230) */
+#define PROTEGO_SPECIAL_3 0xFC72 /* special/unknown device */
+#define PROTEGO_SPECIAL_4 0xFC73 /* special/unknown device */
+
+/*
+ * Gude Analog- und Digitalsysteme GmbH
+ */
+#define FTDI_GUDEADS_E808_PID 0xE808
+#define FTDI_GUDEADS_E809_PID 0xE809
+#define FTDI_GUDEADS_E80A_PID 0xE80A
+#define FTDI_GUDEADS_E80B_PID 0xE80B
+#define FTDI_GUDEADS_E80C_PID 0xE80C
+#define FTDI_GUDEADS_E80D_PID 0xE80D
+#define FTDI_GUDEADS_E80E_PID 0xE80E
+#define FTDI_GUDEADS_E80F_PID 0xE80F
+#define FTDI_GUDEADS_E888_PID 0xE888 /* Expert ISDN Control USB */
+#define FTDI_GUDEADS_E889_PID 0xE889 /* USB RS-232 OptoBridge */
+#define FTDI_GUDEADS_E88A_PID 0xE88A
+#define FTDI_GUDEADS_E88B_PID 0xE88B
+#define FTDI_GUDEADS_E88C_PID 0xE88C
+#define FTDI_GUDEADS_E88D_PID 0xE88D
+#define FTDI_GUDEADS_E88E_PID 0xE88E
+#define FTDI_GUDEADS_E88F_PID 0xE88F
+
+/*
+ * Linx Technologies product ids
+ */
+#define LINX_SDMUSBQSS_PID 0xF448 /* Linx SDM-USB-QS-S */
+#define LINX_MASTERDEVEL2_PID 0xF449 /* Linx Master Development 2.0 */
+#define LINX_FUTURE_0_PID 0xF44A /* Linx future device */
+#define LINX_FUTURE_1_PID 0xF44B /* Linx future device */
+#define LINX_FUTURE_2_PID 0xF44C /* Linx future device */
+
+/* CCS Inc. ICDU/ICDU40 product ID - the FT232BM is used in an in-circuit-debugger */
+/* unit for PIC16's/PIC18's */
+#define FTDI_CCSICDU20_0_PID 0xF9D0
+#define FTDI_CCSICDU40_1_PID 0xF9D1
+
+/* Inside Accesso contactless reader (http://www.insidefr.com) */
+#define INSIDE_ACCESSO 0xFAD0
+
+/*
+ * Intrepid Control Systems (http://www.intrepidcs.com/) ValueCAN and NeoVI
+ */
+#define INTREPID_VID 0x093C
+#define INTREPID_VALUECAN_PID 0x0601
+#define INTREPID_NEOVI_PID 0x0701
+
+/*
+ * Falcom Wireless Communications GmbH
+ */
+#define FALCOM_VID 0x0F94 /* Vendor Id */
+#define FALCOM_TWIST_PID 0x0001 /* Falcom Twist USB GPRS modem */
+
+/*
+ * SUUNTO product ids
+ */
+#define FTDI_SUUNTO_SPORTS_PID 0xF680 /* Suunto Sports instrument */
+
+/*
+ * Definitions for B&B Electronics products.
+ */
+#define BANDB_VID 0x0856 /* B&B Electronics Vendor ID */
+#define BANDB_USOTL4_PID 0xAC01 /* USOTL4 Isolated RS-485 Converter */
+#define BANDB_USTL4_PID 0xAC02 /* USTL4 RS-485 Converter */
+#define BANDB_USO9ML2_PID 0xAC03 /* USO9ML2 Isolated RS-232 Converter */
+
+/*
+ * RM Michaelides CANview USB (http://www.rmcan.com)
+ * CAN filedbus interface adapter, addad by port GmbH www.port.de)
+ */
+#define FTDI_RM_VID 0x0403 /* Vendor Id */
+#define FTDI_RMCANVIEW_PID 0xfd60 /* Product Id */
+
+/*
+ * EVER Eco Pro UPS (http://www.ever.com.pl/)
+ */
+
+#define EVER_ECO_PRO_CDS 0xe520 /* RS-232 converter */
+
+/* Commands */
+#define FTDI_SIO_RESET 0 /* Reset the port */
+#define FTDI_SIO_MODEM_CTRL 1 /* Set the modem control register */
+#define FTDI_SIO_SET_FLOW_CTRL 2 /* Set flow control register */
+#define FTDI_SIO_SET_BAUD_RATE 3 /* Set baud rate */
+#define FTDI_SIO_SET_DATA 4 /* Set the data characteristics of the port */
+#define FTDI_SIO_GET_MODEM_STATUS 5 /* Retrieve current value of modern status register */
+#define FTDI_SIO_SET_EVENT_CHAR 6 /* Set the event character */
+#define FTDI_SIO_SET_ERROR_CHAR 7 /* Set the error character */
+#define FTDI_SIO_SET_LATENCY_TIMER 9 /* Set the latency timer */
+#define FTDI_SIO_GET_LATENCY_TIMER 10 /* Get the latency timer */
+
+/* Port interface code for FT2232C */
+#define INTERFACE_A 1
+#define INTERFACE_B 2
+
+
+/*
+ * BmRequestType: 1100 0000b
+ * bRequest: FTDI_E2_READ
+ * wValue: 0
+ * wIndex: Address of word to read
+ * wLength: 2
+ * Data: Will return a word of data from E2Address
+ *
+ */
+
+/* Port Identifier Table */
+#define PIT_DEFAULT 0 /* SIOA */
+#define PIT_SIOA 1 /* SIOA */
+/* The device this driver is tested with one has only one port */
+#define PIT_SIOB 2 /* SIOB */
+#define PIT_PARALLEL 3 /* Parallel */
+
+/* FTDI_SIO_RESET */
+#define FTDI_SIO_RESET_REQUEST FTDI_SIO_RESET
+#define FTDI_SIO_RESET_REQUEST_TYPE 0x40
+#define FTDI_SIO_RESET_SIO 0
+#define FTDI_SIO_RESET_PURGE_RX 1
+#define FTDI_SIO_RESET_PURGE_TX 2
+
+/*
+ * BmRequestType: 0100 0000B
+ * bRequest: FTDI_SIO_RESET
+ * wValue: Control Value
+ * 0 = Reset SIO
+ * 1 = Purge RX buffer
+ * 2 = Purge TX buffer
+ * wIndex: Port
+ * wLength: 0
+ * Data: None
+ *
+ * The Reset SIO command has this effect:
+ *
+ * Sets flow control set to 'none'
+ * Event char = $0D
+ * Event trigger = disabled
+ * Purge RX buffer
+ * Purge TX buffer
+ * Clear DTR
+ * Clear RTS
+ * baud and data format not reset
+ *
+ * The Purge RX and TX buffer commands affect nothing except the buffers
+ *
+ */
+
+/* FTDI_SIO_SET_BAUDRATE */
+#define FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE 0x40
+#define FTDI_SIO_SET_BAUDRATE_REQUEST 3
+
+/*
+ * BmRequestType: 0100 0000B
+ * bRequest: FTDI_SIO_SET_BAUDRATE
+ * wValue: BaudDivisor value - see below
+ * wIndex: Port
+ * wLength: 0
+ * Data: None
+ * The BaudDivisor values are calculated as follows:
+ * - BaseClock is either 12000000 or 48000000 depending on the device. FIXME: I wish
+ * I knew how to detect old chips to select proper base clock!
+ * - BaudDivisor is a fixed point number encoded in a funny way.
+ * (--WRONG WAY OF THINKING--)
+ * BaudDivisor is a fixed point number encoded with following bit weighs:
+ * (-2)(-1)(13..0). It is a radical with a denominator of 4, so values
+ * end with 0.0 (00...), 0.25 (10...), 0.5 (01...), and 0.75 (11...).
+ * (--THE REALITY--)
+ * The both-bits-set has quite different meaning from 0.75 - the chip designers
+ * have decided it to mean 0.125 instead of 0.75.
+ * This info looked up in FTDI application note "FT8U232 DEVICES \ Data Rates
+ * and Flow Control Consideration for USB to RS232".
+ * - BaudDivisor = (BaseClock / 16) / BaudRate, where the (=) operation should
+ * automagically re-encode the resulting value to take fractions into consideration.
+ * As all values are integers, some bit twiddling is in order:
+ * BaudDivisor = (BaseClock / 16 / BaudRate) |
+ * (((BaseClock / 2 / BaudRate) & 4) ? 0x4000 // 0.5
+ * : ((BaseClock / 2 / BaudRate) & 2) ? 0x8000 // 0.25
+ * : ((BaseClock / 2 / BaudRate) & 1) ? 0xc000 // 0.125
+ * : 0)
+ *
+ * For the FT232BM, a 17th divisor bit was introduced to encode the multiples
+ * of 0.125 missing from the FT8U232AM. Bits 16 to 14 are coded as follows
+ * (the first four codes are the same as for the FT8U232AM, where bit 16 is
+ * always 0):
+ * 000 - add .000 to divisor
+ * 001 - add .500 to divisor
+ * 010 - add .250 to divisor
+ * 011 - add .125 to divisor
+ * 100 - add .375 to divisor
+ * 101 - add .625 to divisor
+ * 110 - add .750 to divisor
+ * 111 - add .875 to divisor
+ * Bits 15 to 0 of the 17-bit divisor are placed in the urb value. Bit 16 is
+ * placed in bit 0 of the urb index.
+ *
+ * Note that there are a couple of special cases to support the highest baud
+ * rates. If the calculated divisor value is 1, this needs to be replaced with
+ * 0. Additionally for the FT232BM, if the calculated divisor value is 0x4001
+ * (1.5), this needs to be replaced with 0x0001 (1) (but this divisor value is
+ * not supported by the FT8U232AM).
+ */
+
+typedef enum {
+ SIO = 1,
+ FT8U232AM = 2,
+ FT232BM = 3,
+ FT2232C = 4,
+} ftdi_chip_type_t;
+
+typedef enum {
+ ftdi_sio_b300 = 0,
+ ftdi_sio_b600 = 1,
+ ftdi_sio_b1200 = 2,
+ ftdi_sio_b2400 = 3,
+ ftdi_sio_b4800 = 4,
+ ftdi_sio_b9600 = 5,
+ ftdi_sio_b19200 = 6,
+ ftdi_sio_b38400 = 7,
+ ftdi_sio_b57600 = 8,
+ ftdi_sio_b115200 = 9
+} FTDI_SIO_baudrate_t ;
+
+/*
+ * The ftdi_8U232AM_xxMHz_byyy constants have been removed. The encoded divisor values
+ * are calculated internally.
+ */
+
+#define FTDI_SIO_SET_DATA_REQUEST FTDI_SIO_SET_DATA
+#define FTDI_SIO_SET_DATA_REQUEST_TYPE 0x40
+#define FTDI_SIO_SET_DATA_PARITY_NONE (0x0 << 8 )
+#define FTDI_SIO_SET_DATA_PARITY_ODD (0x1 << 8 )
+#define FTDI_SIO_SET_DATA_PARITY_EVEN (0x2 << 8 )
+#define FTDI_SIO_SET_DATA_PARITY_MARK (0x3 << 8 )
+#define FTDI_SIO_SET_DATA_PARITY_SPACE (0x4 << 8 )
+#define FTDI_SIO_SET_DATA_STOP_BITS_1 (0x0 << 11 )
+#define FTDI_SIO_SET_DATA_STOP_BITS_15 (0x1 << 11 )
+#define FTDI_SIO_SET_DATA_STOP_BITS_2 (0x2 << 11 )
+#define FTDI_SIO_SET_BREAK (0x1 << 14)
+/* FTDI_SIO_SET_DATA */
+
+/*
+ * BmRequestType: 0100 0000B
+ * bRequest: FTDI_SIO_SET_DATA
+ * wValue: Data characteristics (see below)
+ * wIndex: Port
+ * wLength: 0
+ * Data: No
+ *
+ * Data characteristics
+ *
+ * B0..7 Number of data bits
+ * B8..10 Parity
+ * 0 = None
+ * 1 = Odd
+ * 2 = Even
+ * 3 = Mark
+ * 4 = Space
+ * B11..13 Stop Bits
+ * 0 = 1
+ * 1 = 1.5
+ * 2 = 2
+ * B14
+ * 1 = TX ON (break)
+ * 0 = TX OFF (normal state)
+ * B15 Reserved
+ *
+ */
+
+
+
+/* FTDI_SIO_MODEM_CTRL */
+#define FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE 0x40
+#define FTDI_SIO_SET_MODEM_CTRL_REQUEST FTDI_SIO_MODEM_CTRL
+
+/*
+ * BmRequestType: 0100 0000B
+ * bRequest: FTDI_SIO_MODEM_CTRL
+ * wValue: ControlValue (see below)
+ * wIndex: Port
+ * wLength: 0
+ * Data: None
+ *
+ * NOTE: If the device is in RTS/CTS flow control, the RTS set by this
+ * command will be IGNORED without an error being returned
+ * Also - you can not set DTR and RTS with one control message
+ */
+
+#define FTDI_SIO_SET_DTR_MASK 0x1
+#define FTDI_SIO_SET_DTR_HIGH ( 1 | ( FTDI_SIO_SET_DTR_MASK << 8))
+#define FTDI_SIO_SET_DTR_LOW ( 0 | ( FTDI_SIO_SET_DTR_MASK << 8))
+#define FTDI_SIO_SET_RTS_MASK 0x2
+#define FTDI_SIO_SET_RTS_HIGH ( 2 | ( FTDI_SIO_SET_RTS_MASK << 8 ))
+#define FTDI_SIO_SET_RTS_LOW ( 0 | ( FTDI_SIO_SET_RTS_MASK << 8 ))
+
+/*
+ * ControlValue
+ * B0 DTR state
+ * 0 = reset
+ * 1 = set
+ * B1 RTS state
+ * 0 = reset
+ * 1 = set
+ * B2..7 Reserved
+ * B8 DTR state enable
+ * 0 = ignore
+ * 1 = use DTR state
+ * B9 RTS state enable
+ * 0 = ignore
+ * 1 = use RTS state
+ * B10..15 Reserved
+ */
+
+/* FTDI_SIO_SET_FLOW_CTRL */
+#define FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE 0x40
+#define FTDI_SIO_SET_FLOW_CTRL_REQUEST FTDI_SIO_SET_FLOW_CTRL
+#define FTDI_SIO_DISABLE_FLOW_CTRL 0x0
+#define FTDI_SIO_RTS_CTS_HS (0x1 << 8)
+#define FTDI_SIO_DTR_DSR_HS (0x2 << 8)
+#define FTDI_SIO_XON_XOFF_HS (0x4 << 8)
+/*
+ * BmRequestType: 0100 0000b
+ * bRequest: FTDI_SIO_SET_FLOW_CTRL
+ * wValue: Xoff/Xon
+ * wIndex: Protocol/Port - hIndex is protocl / lIndex is port
+ * wLength: 0
+ * Data: None
+ *
+ * hIndex protocol is:
+ * B0 Output handshaking using RTS/CTS
+ * 0 = disabled
+ * 1 = enabled
+ * B1 Output handshaking using DTR/DSR
+ * 0 = disabled
+ * 1 = enabled
+ * B2 Xon/Xoff handshaking
+ * 0 = disabled
+ * 1 = enabled
+ *
+ * A value of zero in the hIndex field disables handshaking
+ *
+ * If Xon/Xoff handshaking is specified, the hValue field should contain the XOFF character
+ * and the lValue field contains the XON character.
+ */
+
+/*
+ * FTDI_SIO_GET_LATENCY_TIMER
+ *
+ * Set the timeout interval. The FTDI collects data from the slave
+ * device, transmitting it to the host when either A) 62 bytes are
+ * received, or B) the timeout interval has elapsed and the buffer
+ * contains at least 1 byte. Setting this value to a small number
+ * can dramatically improve performance for applications which send
+ * small packets, since the default value is 16ms.
+ */
+#define FTDI_SIO_GET_LATENCY_TIMER_REQUEST FTDI_SIO_GET_LATENCY_TIMER
+#define FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE 0xC0
+
+/*
+ * BmRequestType: 1100 0000b
+ * bRequest: FTDI_SIO_GET_LATENCY_TIMER
+ * wValue: 0
+ * wIndex: Port
+ * wLength: 0
+ * Data: latency (on return)
+ */
+
+/*
+ * FTDI_SIO_SET_LATENCY_TIMER
+ *
+ * Set the timeout interval. The FTDI collects data from the slave
+ * device, transmitting it to the host when either A) 62 bytes are
+ * received, or B) the timeout interval has elapsed and the buffer
+ * contains at least 1 byte. Setting this value to a small number
+ * can dramatically improve performance for applications which send
+ * small packets, since the default value is 16ms.
+ */
+#define FTDI_SIO_SET_LATENCY_TIMER_REQUEST FTDI_SIO_SET_LATENCY_TIMER
+#define FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE 0x40
+
+/*
+ * BmRequestType: 0100 0000b
+ * bRequest: FTDI_SIO_SET_LATENCY_TIMER
+ * wValue: Latency (milliseconds)
+ * wIndex: Port
+ * wLength: 0
+ * Data: None
+ *
+ * wValue:
+ * B0..7 Latency timer
+ * B8..15 0
+ *
+ */
+
+/*
+ * FTDI_SIO_SET_EVENT_CHAR
+ *
+ * Set the special event character for the specified communications port.
+ * If the device sees this character it will immediately return the
+ * data read so far - rather than wait 40ms or until 62 bytes are read
+ * which is what normally happens.
+ */
+
+
+#define FTDI_SIO_SET_EVENT_CHAR_REQUEST FTDI_SIO_SET_EVENT_CHAR
+#define FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE 0x40
+
+
+/*
+ * BmRequestType: 0100 0000b
+ * bRequest: FTDI_SIO_SET_EVENT_CHAR
+ * wValue: EventChar
+ * wIndex: Port
+ * wLength: 0
+ * Data: None
+ *
+ * wValue:
+ * B0..7 Event Character
+ * B8 Event Character Processing
+ * 0 = disabled
+ * 1 = enabled
+ * B9..15 Reserved
+ *
+ */
+
+/* FTDI_SIO_SET_ERROR_CHAR */
+
+/* Set the parity error replacement character for the specified communications port */
+
+/*
+ * BmRequestType: 0100 0000b
+ * bRequest: FTDI_SIO_SET_EVENT_CHAR
+ * wValue: Error Char
+ * wIndex: Port
+ * wLength: 0
+ * Data: None
+ *
+ *Error Char
+ * B0..7 Error Character
+ * B8 Error Character Processing
+ * 0 = disabled
+ * 1 = enabled
+ * B9..15 Reserved
+ *
+ */
+
+/* FTDI_SIO_GET_MODEM_STATUS */
+/* Retreive the current value of the modem status register */
+
+#define FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE 0xc0
+#define FTDI_SIO_GET_MODEM_STATUS_REQUEST FTDI_SIO_GET_MODEM_STATUS
+#define FTDI_SIO_CTS_MASK 0x10
+#define FTDI_SIO_DSR_MASK 0x20
+#define FTDI_SIO_RI_MASK 0x40
+#define FTDI_SIO_RLSD_MASK 0x80
+/*
+ * BmRequestType: 1100 0000b
+ * bRequest: FTDI_SIO_GET_MODEM_STATUS
+ * wValue: zero
+ * wIndex: Port
+ * wLength: 1
+ * Data: Status
+ *
+ * One byte of data is returned
+ * B0..3 0
+ * B4 CTS
+ * 0 = inactive
+ * 1 = active
+ * B5 DSR
+ * 0 = inactive
+ * 1 = active
+ * B6 Ring Indicator (RI)
+ * 0 = inactive
+ * 1 = active
+ * B7 Receive Line Signal Detect (RLSD)
+ * 0 = inactive
+ * 1 = active
+ */
+
+
+
+/* Descriptors returned by the device
+ *
+ * Device Descriptor
+ *
+ * Offset Field Size Value Description
+ * 0 bLength 1 0x12 Size of descriptor in bytes
+ * 1 bDescriptorType 1 0x01 DEVICE Descriptor Type
+ * 2 bcdUSB 2 0x0110 USB Spec Release Number
+ * 4 bDeviceClass 1 0x00 Class Code
+ * 5 bDeviceSubClass 1 0x00 SubClass Code
+ * 6 bDeviceProtocol 1 0x00 Protocol Code
+ * 7 bMaxPacketSize0 1 0x08 Maximum packet size for endpoint 0
+ * 8 idVendor 2 0x0403 Vendor ID
+ * 10 idProduct 2 0x8372 Product ID (FTDI_SIO_PID)
+ * 12 bcdDevice 2 0x0001 Device release number
+ * 14 iManufacturer 1 0x01 Index of man. string desc
+ * 15 iProduct 1 0x02 Index of prod string desc
+ * 16 iSerialNumber 1 0x02 Index of serial nmr string desc
+ * 17 bNumConfigurations 1 0x01 Number of possible configurations
+ *
+ * Configuration Descriptor
+ *
+ * Offset Field Size Value
+ * 0 bLength 1 0x09 Size of descriptor in bytes
+ * 1 bDescriptorType 1 0x02 CONFIGURATION Descriptor Type
+ * 2 wTotalLength 2 0x0020 Total length of data
+ * 4 bNumInterfaces 1 0x01 Number of interfaces supported
+ * 5 bConfigurationValue 1 0x01 Argument for SetCOnfiguration() req
+ * 6 iConfiguration 1 0x02 Index of config string descriptor
+ * 7 bmAttributes 1 0x20 Config characteristics Remote Wakeup
+ * 8 MaxPower 1 0x1E Max power consumption
+ *
+ * Interface Descriptor
+ *
+ * Offset Field Size Value
+ * 0 bLength 1 0x09 Size of descriptor in bytes
+ * 1 bDescriptorType 1 0x04 INTERFACE Descriptor Type
+ * 2 bInterfaceNumber 1 0x00 Number of interface
+ * 3 bAlternateSetting 1 0x00 Value used to select alternate
+ * 4 bNumEndpoints 1 0x02 Number of endpoints
+ * 5 bInterfaceClass 1 0xFF Class Code
+ * 6 bInterfaceSubClass 1 0xFF Subclass Code
+ * 7 bInterfaceProtocol 1 0xFF Protocol Code
+ * 8 iInterface 1 0x02 Index of interface string description
+ *
+ * IN Endpoint Descriptor
+ *
+ * Offset Field Size Value
+ * 0 bLength 1 0x07 Size of descriptor in bytes
+ * 1 bDescriptorType 1 0x05 ENDPOINT descriptor type
+ * 2 bEndpointAddress 1 0x82 Address of endpoint
+ * 3 bmAttributes 1 0x02 Endpoint attributes - Bulk
+ * 4 bNumEndpoints 2 0x0040 maximum packet size
+ * 5 bInterval 1 0x00 Interval for polling endpoint
+ *
+ * OUT Endpoint Descriptor
+ *
+ * Offset Field Size Value
+ * 0 bLength 1 0x07 Size of descriptor in bytes
+ * 1 bDescriptorType 1 0x05 ENDPOINT descriptor type
+ * 2 bEndpointAddress 1 0x02 Address of endpoint
+ * 3 bmAttributes 1 0x02 Endpoint attributes - Bulk
+ * 4 bNumEndpoints 2 0x0040 maximum packet size
+ * 5 bInterval 1 0x00 Interval for polling endpoint
+ *
+ * DATA FORMAT
+ *
+ * IN Endpoint
+ *
+ * The device reserves the first two bytes of data on this endpoint to contain the current
+ * values of the modem and line status registers. In the absence of data, the device
+ * generates a message consisting of these two status bytes every 40 ms
+ *
+ * Byte 0: Modem Status
+ *
+ * Offset Description
+ * B0 Reserved - must be 1
+ * B1 Reserved - must be 0
+ * B2 Reserved - must be 0
+ * B3 Reserved - must be 0
+ * B4 Clear to Send (CTS)
+ * B5 Data Set Ready (DSR)
+ * B6 Ring Indicator (RI)
+ * B7 Receive Line Signal Detect (RLSD)
+ *
+ * Byte 1: Line Status
+ *
+ * Offset Description
+ * B0 Data Ready (DR)
+ * B1 Overrun Error (OE)
+ * B2 Parity Error (PE)
+ * B3 Framing Error (FE)
+ * B4 Break Interrupt (BI)
+ * B5 Transmitter Holding Register (THRE)
+ * B6 Transmitter Empty (TEMT)
+ * B7 Error in RCVR FIFO
+ *
+ */
+#define FTDI_RS0_CTS (1 << 4)
+#define FTDI_RS0_DSR (1 << 5)
+#define FTDI_RS0_RI (1 << 6)
+#define FTDI_RS0_RLSD (1 << 7)
+
+#define FTDI_RS_DR 1
+#define FTDI_RS_OE (1<<1)
+#define FTDI_RS_PE (1<<2)
+#define FTDI_RS_FE (1<<3)
+#define FTDI_RS_BI (1<<4)
+#define FTDI_RS_THRE (1<<5)
+#define FTDI_RS_TEMT (1<<6)
+#define FTDI_RS_FIFO (1<<7)
+
+/*
+ * OUT Endpoint
+ *
+ * This device reserves the first bytes of data on this endpoint contain the length
+ * and port identifier of the message. For the FTDI USB Serial converter the port
+ * identifier is always 1.
+ *
+ * Byte 0: Line Status
+ *
+ * Offset Description
+ * B0 Reserved - must be 1
+ * B1 Reserved - must be 0
+ * B2..7 Length of message - (not including Byte 0)
+ *
+ */
+