/*
 * Driver for OMAP-UART controller.
 * Based on drivers/serial/8250.c
 *
 * Copyright (C) 2010 Texas Instruments.
 *
 * Authors:
 *	Govindraj R	<govindraj.raja@ti.com>
 *	Thara Gopinath	<thara@ti.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#ifndef __OMAP_SERIAL_H__
#define __OMAP_SERIAL_H__

#include <linux/serial_core.h>
#include <linux/device.h>
#include <linux/pm_qos.h>

#define DRIVER_NAME	"omap_uart"

/*
 * Use tty device name as ttyO, [O -> OMAP]
 * in bootargs we specify as console=ttyO0 if uart1
 * is used as console uart.
 */
#define OMAP_SERIAL_NAME	"ttyO"

struct omap_uart_port_info {
	bool			dma_enabled;	/* To specify DMA Mode */
	unsigned int		uartclk;	/* UART clock rate */
	upf_t			flags;		/* UPF_* flags */
	unsigned int		dma_rx_buf_size;
	unsigned int		dma_rx_timeout;
	unsigned int		autosuspend_timeout;
	unsigned int		wakelock_timeout;
	unsigned int		dma_rx_poll_rate;
	int			DTR_gpio;
	int			DTR_inverted;
	int			DTR_present;
	bool			wakeup_capable;
	bool			open_close_pm;
	unsigned int		rx_trig;
    bool        rts_wait;

	int (*get_context_loss_count)(struct device *);
	void (*enable_wakeup)(struct device *, bool);
    void (*wake_peer)(struct uart_port *);
	void (*rts_enable_fn)(void);
	void (*rts_disable_fn)(void);
};

extern void omap_uart_remove_wakeup(struct device *dev);
extern void omap_uart_enable_wakeup(struct device *dev, bool enable);
extern int omap_pm_get_dev_context_loss_count(struct device *dev);

extern int omap_serial_ext_uart_enable(u8 port_id);
extern int omap_serial_ext_uart_disable(u8 port_id);

#endif /* __OMAP_SERIAL_H__ */