/*
 * drivers/staging/android/fiq_debugger/fiq_debugger.h
 *
 * Copyright (C) 2010 Google, Inc.
 * Author: Colin Cross <ccross@android.com>
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * 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.
 *
 */

#ifndef _ARCH_ARM_MACH_TEGRA_FIQ_DEBUGGER_H_
#define _ARCH_ARM_MACH_TEGRA_FIQ_DEBUGGER_H_

#include <linux/serial_core.h>

#define FIQ_DEBUGGER_NO_CHAR NO_POLL_CHAR
#define FIQ_DEBUGGER_BREAK 0x00ff0100

#define FIQ_DEBUGGER_FIQ_IRQ_NAME	"fiq"
#define FIQ_DEBUGGER_SIGNAL_IRQ_NAME	"signal"
#define FIQ_DEBUGGER_WAKEUP_IRQ_NAME	"wakeup"

/**
 * struct fiq_debugger_pdata - fiq debugger platform data
 * @uart_resume:	used to restore uart state right before enabling
 *			the fiq.
 * @uart_enable:	Do the work necessary to communicate with the uart
 *			hw (enable clocks, etc.). This must be ref-counted.
 * @uart_disable:	Do the work necessary to disable the uart hw
 *			(disable clocks, etc.). This must be ref-counted.
 * @uart_dev_suspend:	called during PM suspend, generally not needed
 *			for real fiq mode debugger.
 * @uart_dev_resume:	called during PM resume, generally not needed
 *			for real fiq mode debugger.
 */
struct fiq_debugger_pdata {
	int (*uart_init)(struct platform_device *pdev);
	void (*uart_free)(struct platform_device *pdev);
	int (*uart_resume)(struct platform_device *pdev);
	int (*uart_getc)(struct platform_device *pdev);
	void (*uart_putc)(struct platform_device *pdev, unsigned int c);
	void (*uart_flush)(struct platform_device *pdev);
	void (*uart_enable)(struct platform_device *pdev);
	void (*uart_disable)(struct platform_device *pdev);

	int (*uart_dev_suspend)(struct platform_device *pdev);
	int (*uart_dev_resume)(struct platform_device *pdev);

	void (*fiq_enable)(struct platform_device *pdev, unsigned int fiq,
								bool enable);
	void (*fiq_ack)(struct platform_device *pdev, unsigned int fiq);

	void (*force_irq)(struct platform_device *pdev, unsigned int irq);
	void (*force_irq_ack)(struct platform_device *pdev, unsigned int irq);

#ifdef CONFIG_RK_CONSOLE_THREAD
	void (*console_write)(struct platform_device *pdev, const char *s,
			      unsigned int count);
	int (*tty_write)(struct platform_device *pdev, const char *s, int count);
	int (*write_room)(struct platform_device *pdev);
#endif
#ifdef CONFIG_FIQ_DEBUGGER_TRUST_ZONE
	void (*switch_cpu)(struct platform_device *pdev, u32 cpu);
	void (*enable_debug)(struct platform_device *pdev, bool val);
#endif
};

#ifdef CONFIG_FIQ_GLUE
void gic_set_irq_secure(struct irq_data *d);
void gic_set_irq_priority(struct irq_data *d, u8 pri);
#endif

void fiq_tty_wake_up(struct platform_device *pdev);
#endif