include/console.h

/*
 * (C) Copyright 2000
 * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifndef _CONSOLE_H_
#define _CONSOLE_H_

#include <param.h>
#include <linux/list.h>
#include <driver.h>

#define CONSOLE_STDIN           (1 << 0)
#define CONSOLE_STDOUT          (1 << 1)
#define CONSOLE_STDERR          (1 << 2)

struct console_device {
	struct device_d *dev;
	struct device_d class_dev;

	int (*tstc)(struct console_device *cdev);
	void (*putc)(struct console_device *cdev, char c);
	int  (*getc)(struct console_device *cdev);
	int (*setbrg)(struct console_device *cdev, int baudrate);
	void (*flush)(struct console_device *cdev);

	struct list_head list;

	unsigned char f_caps;
	unsigned char f_active;
};

int console_register(struct console_device *cdev);

extern struct list_head console_list;
#define for_each_console(console) list_for_each_entry(console, &console_list, list)

#define CFG_PBSIZE (CONFIG_CBSIZE+sizeof(CONFIG_PROMPT)+16)

void early_console_putc(void *base, char c);
void early_console_init(void *base, int baudrate);

void early_console_start(const char *name, int baudrate);

/*
 * Resolve an early console name to a pointer pointing
 * to the consoles base address, usually implemented in
 * board setup file.
 */
void *get_early_console_base(const char *name);

#endif