local.h

底层驱动开发

/* local.h: local definitions
 *
 * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells ([e-mail])
 *
 * 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 _FRV_LOCAL_H
#define _FRV_LOCAL_H

#include <asm/sections.h>

#ifndef __ASSEMBLY__

/* dma.c */
extern unsigned long frv_dma_inprogress;

extern void frv_dma_pause_all(void);
extern void frv_dma_resume_all(void);

/* sleep.S */
extern asmlinkage void frv_cpu_suspend(unsigned long);
extern asmlinkage void frv_cpu_core_sleep(void);

/* setup.c */
extern unsigned long __nongprelbss pdm_suspend_mode;
extern void determine_clocks(int verbose);
extern int __nongprelbss clock_p0_current;
extern int __nongprelbss clock_cm_current;
extern int __nongprelbss clock_cmode_current;

#ifdef CONFIG_PM
extern int __nongprelbss clock_cmodes_permitted;
extern unsigned long __nongprelbss clock_bits_settable;
#define CLOCK_BIT_CM		0x0000000f
#define CLOCK_BIT_CM_H		0x00000001	/* CLKC.CM can be set to 0 */
#define CLOCK_BIT_CM_M		0x00000002	/* CLKC.CM can be set to 1 */
#define CLOCK_BIT_CM_L		0x00000004	/* CLKC.CM can be set to 2 */
#define CLOCK_BIT_P0		0x00000010	/* CLKC.P0 can be changed */
#define CLOCK_BIT_CMODE		0x00000020	/* CLKC.CMODE can be changed */

extern void (*__power_switch_wake_setup)(void);
extern int  (*__power_switch_wake_check)(void);
extern void (*__power_switch_wake_cleanup)(void);
#endif

/* time.c */
extern void time_divisor_init(void);


#endif /* __ASSEMBLY__ */
#endif /* _FRV_LOCAL_H */