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/*
* include/asm-v850/v850e_uart.h -- common V850E on-chip UART driver
*
* Copyright (C) 2001,02,03 NEC Electronics Corporation
* Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
*
* This file is subject to the terms and conditions of the GNU General
* Public License. See the file COPYING in the main directory of this
* archive for more details.
*
* Written by Miles Bader <miles@gnu.org>
*/
/* There's not actually a single UART implementation used by V850E CPUs,
but rather a series of implementations that are all `close' to one
another. This file corresponds to the single driver which handles all
of them. */
#ifndef __V850_V850E_UART_H__
#define __V850_V850E_UART_H__
#include <linux/termios.h>
#include <asm/v850e_utils.h>
#include <asm/types.h>
#include <asm/machdep.h> /* Pick up chip-specific defs. */
/* Include model-specific definitions. */
#ifdef CONFIG_V850E_UART
# ifdef CONFIG_V850E_UARTB
# include <asm-v850/v850e_uartb.h>
# else
# include <asm-v850/v850e_uarta.h> /* original V850E UART */
# endif
#endif
/* Optional capabilities some hardware provides. */
/* This UART doesn't implement RTS/CTS by default, but some platforms
implement them externally, so check to see if <asm/machdep.h> defined
anything. */
#ifdef V850E_UART_CTS
#define v850e_uart_cts(n) V850E_UART_CTS(n)
#else
#define v850e_uart_cts(n) (1)
#endif
/* Do the same for RTS. */
#ifdef V850E_UART_SET_RTS
#define v850e_uart_set_rts(n,v) V850E_UART_SET_RTS(n,v)
#else
#define v850e_uart_set_rts(n,v) ((void)0)
#endif
/* This is the serial channel to use for the boot console (if desired). */
#ifndef V850E_UART_CONSOLE_CHANNEL
# define V850E_UART_CONSOLE_CHANNEL 0
#endif
#ifndef __ASSEMBLY__
/* Setup a console using channel 0 of the builtin uart. */
extern void v850e_uart_cons_init (unsigned chan);
/* Configure and turn on uart channel CHAN, using the termios `control
modes' bits in CFLAGS, and a baud-rate of BAUD. */
void v850e_uart_configure (unsigned chan, unsigned cflags, unsigned baud);
#endif /* !__ASSEMBLY__ */
#endif /* __V850_V850E_UART_H__ */
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