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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [libchip/] [serial/] [mc68681.h] - Rev 173
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/* * * COPYRIGHT (c) 1989-1999. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.OARcorp.com/rtems/license.html. * * $Id: mc68681.h,v 1.2 2001-09-27 12:01:42 chris Exp $ */ #ifndef _MC68681_H_ #define _MC68681_H_ #ifdef __cplusplus extern "C" { #endif /* * These are just used in the interface between this driver and * the read/write register routines when accessing the first * control port. */ #define MC68681_STATUS 1 #define MC68681_RX_BUFFER 3 #define MC68681_MODE 0 #define MC68681_CLOCK_SELECT 1 #define MC68681_COMMAND 2 #define MC68681_TX_BUFFER 3 /* * Data Port bit map configuration * * D0 : Baud Rate Set Selection * D1 - D2 : Extended Baud Rate Setting */ #define MC68681_DATA_BAUD_RATE_SET_1 0 /* ACR[7] = 0 */ #define MC68681_DATA_BAUD_RATE_SET_2 1 /* ACR[7] = 1 */ #define MC68681_XBRG_IGNORED (0 << 1) #define MC68681_XBRG_ENABLED (1 << 1) #define MC68681_XBRG_DISABLED (2 << 1) #define MC68681_XBRG_MASK (3 << 1) /* * Custom baud rate table information */ typedef unsigned char mc68681_baud_t; typedef mc68681_baud_t mc68681_baud_table_t[RTEMS_TERMIOS_NUMBER_BAUD_RATES]; #define MC68681_BAUD_NOT_VALID 0xFF extern mc68681_baud_t mc68681_baud_rate_table[4][RTEMS_TERMIOS_NUMBER_BAUD_RATES]; /* * Driver function table */ extern console_fns mc68681_fns; extern console_fns mc68681_fns_polled; /* * Default register access routines */ unsigned8 mc68681_get_register( /* registers are at 1 byte boundaries */ unsigned32 ulCtrlPort, /* and accessed as bytes */ unsigned8 ucRegNum ); void mc68681_set_register( unsigned32 ulCtrlPort, unsigned8 ucRegNum, unsigned8 ucData ); unsigned8 mc68681_get_register_2( /* registers are at 2 byte boundaries */ unsigned32 ulCtrlPort, /* and accessed as bytes */ unsigned8 ucRegNum ); void mc68681_set_register_2( unsigned32 ulCtrlPort, unsigned8 ucRegNum, unsigned8 ucData ); unsigned8 mc68681_get_register_4( /* registers are at 4 byte boundaries */ unsigned32 ulCtrlPort, /* and accessed as bytes */ unsigned8 ucRegNum ); void mc68681_set_register_4( unsigned32 ulCtrlPort, unsigned8 ucRegNum, unsigned8 ucData ); unsigned8 mc68681_get_register_8( /* registers are at 8 byte boundaries */ unsigned32 ulCtrlPort, /* and accessed as bytes */ unsigned8 ucRegNum ); void mc68681_set_register_8( unsigned32 ulCtrlPort, unsigned8 ucRegNum, unsigned8 ucData ); #ifdef __cplusplus } #endif #endif /* _MC68681_H_ */