2 * Copyright 2008-2012 - Symmetricom, Inc.
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30 * FTDI USB serial converter chip ioctl commands.
33 #ifndef _USB_UFTDIIO_H_
34 #define _USB_UFTDIIO_H_
36 #include <sys/ioccom.h>
40 UFTDI_BITMODE_ASYNC = 0,
41 UFTDI_BITMODE_MPSSE = 1,
42 UFTDI_BITMODE_SYNC = 2,
43 UFTDI_BITMODE_CPU_EMUL = 3,
44 UFTDI_BITMODE_FAST_SERIAL = 4,
45 UFTDI_BITMODE_CBUS = 5,
46 UFTDI_BITMODE_NONE = 0xff, /* aka UART mode. */
50 * For UFTDIIOC_SET_BITMODE:
51 * mode = One of the uftdi_bitmodes enum values.
52 * iomask = Mask of bits enabled for bitbang output.
54 * For UFTDIIOC_GET_BITMODE:
55 * mode = Mode most recently set using UFTDIIOC_SET_BITMODE.
56 * iomask = Returned snapshot of DBUS0..DBUS7 pin states at time of call.
57 * Pin states can be read in any mode, not just bitbang modes.
66 * For UFTDIIOC_READ_EEPROM, UFTDIIOC_WRITE_EEPROM:
68 * IO is done in 16-bit words at the chip level; offset and length are in bytes,
69 * but must each be evenly divisible by two.
71 * It is not necessary to erase before writing. For the FT232R device (only)
72 * you must set the latency timer to 0x77 before doing a series of eeprom writes
73 * (and restore it to the prior value when done).
82 /* Pass this value to confirm that eeprom erase request is not accidental. */
83 #define UFTDI_CONFIRM_ERASE 0x26139108
85 #define UFTDIIOC_RESET_IO _IO('c', 0) /* Reset config, flush fifos.*/
86 #define UFTDIIOC_RESET_RX _IO('c', 1) /* Flush input fifo. */
87 #define UFTDIIOC_RESET_TX _IO('c', 2) /* Flush output fifo. */
88 #define UFTDIIOC_SET_BITMODE _IOW('c', 3, struct uftdi_bitmode)
89 #define UFTDIIOC_GET_BITMODE _IOR('c', 4, struct uftdi_bitmode)
90 #define UFTDIIOC_SET_ERROR_CHAR _IOW('c', 5, int) /* -1 to disable */
91 #define UFTDIIOC_SET_EVENT_CHAR _IOW('c', 6, int) /* -1 to disable */
92 #define UFTDIIOC_SET_LATENCY _IOW('c', 7, int) /* 1-255 ms */
93 #define UFTDIIOC_GET_LATENCY _IOR('c', 8, int)
94 #define UFTDIIOC_GET_HWREV _IOR('c', 9, int)
95 #define UFTDIIOC_READ_EEPROM _IOWR('c', 10, struct uftdi_eeio)
96 #define UFTDIIOC_WRITE_EEPROM _IOW('c', 11, struct uftdi_eeio)
97 #define UFTDIIOC_ERASE_EEPROM _IOW('c', 12, int)