SPIF(4) | NetBSD Kernel Interfaces Manual | SPIF(4) |
The device minor numbers for this driver are encoded as follows:
+---+---+---+---+---+---+---+---+ | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | +---+---+---+---+---+---+---+---+ | | | | | | | | | | | | | +---+---+---> port number | | | | | | | | | +---------------> unused | | | | | | | +-------------------> dial-out (on tty ports) | | | | | +-----------------------> unused | | +---+---------------------------> card number
Up to four cards are supported in the system.
Each of the serial ports has an 8 byte FIFO for receive and transmit as well as automatic hardware (RTS/CTS) flow control.
Dial-out (cua) devices are not yet supported.
February 4, 1999 | NetBSD 5.99 |