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/* $Id: sig_cs.h,v 1.14 2009-07-15 07:00:25 vrsieh Exp $
*
* Copyright (C) 2007-2009 FAUmachine Team <info@faumachine.org>.
* This program is free software. You can redistribute it and/or modify it
* under the terms of the GNU General Public License, either version 2 of
* the License, or (at your option) any later version. See COPYING.
*/
#ifndef __SIG_CS_H_INCLUDED
#define __SIG_CS_H_INCLUDED
#include <inttypes.h>
#include "sig_gen.h"
struct sig_cs_funcs {
/* Slave functions. */
int (*readb)(void *s, uint8_t *valp, unsigned long addr);
int (*readw)(void *s, uint16_t *valp, unsigned long addr);
int (*readl)(void *s, uint32_t *valp, unsigned long addr);
int (*writeb)(void *s, uint8_t val, unsigned long addr);
int (*writew)(void *s, uint16_t val, unsigned long addr);
int (*writel)(void *s, uint32_t val, unsigned long addr);
int (*read)(void *s, uint32_t addr, unsigned int bs, uint32_t *valp);
int (*write)(void *s, uint32_t addr, unsigned int bs, uint32_t val);
int (*map)(void *s, unsigned long addr,
char **haddr_mr_p, char **haddr_mw_p);
/* Master functions. */
int (*unmap)(void *s, unsigned long pa, unsigned long len);
};
struct sig_cs {
enum sig_gen_type type;
struct {
void *s;
const struct sig_cs_funcs *f;
} member[16];
int nmembers;
};
struct sig_cs_merge {
struct sig_cs *s0;
struct sig_cs *s1;
};
extern int
sig_cs_readb(struct sig_cs *b, void *s,
uint8_t *valp, unsigned long addr);
extern int
sig_cs_readw(struct sig_cs *b, void *s,
uint16_t *valp, unsigned long addr);
extern int
sig_cs_readl(struct sig_cs *b, void *s,
uint32_t *valp, unsigned long addr);
extern int
sig_cs_writeb(struct sig_cs *b, void *s,
uint8_t val, unsigned long addr);
extern int
sig_cs_writew(struct sig_cs *b, void *s,
uint16_t val, unsigned long addr);
extern int
sig_cs_writel(struct sig_cs *b, void *s,
uint32_t val, unsigned long addr);
extern int
sig_cs_read(struct sig_cs *b, void *s,
uint32_t addr, unsigned int bs, uint32_t *valp);
extern int
sig_cs_write(struct sig_cs *b, void *s,
uint32_t addr, unsigned int bs, uint32_t val);
extern int
sig_cs_map(struct sig_cs *b, void *s, unsigned long addr,
char **haddr_mr_p, char **haddr_mw_p);
extern int
sig_cs_unmap(struct sig_cs *b, void *s,
unsigned long pa, unsigned long len);
extern void
sig_cs_connect(struct sig_cs *b, void *s, const struct sig_cs_funcs *f);
extern struct sig_cs_merge *
sig_cs_merge(
struct sig_cs *s0,
struct sig_cs *s1
);
extern void
sig_cs_split(struct sig_cs_merge *m);
extern struct sig_cs *
sig_cs_create(const char *name);
extern void
sig_cs_destroy(struct sig_cs *bus);
#endif /* __SIG_CS_H_INCLUDED */
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