Contributors: 3
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Daniel Scheller |
252 |
98.82% |
2 |
50.00% |
| Randy Dunlap |
2 |
0.78% |
1 |
25.00% |
| Christophe Jaillet |
1 |
0.39% |
1 |
25.00% |
| Total |
255 |
|
4 |
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* ddbridge-io.h: Digital Devices bridge I/O inline functions
*
* Copyright (C) 2010-2017 Digital Devices GmbH
* Ralph Metzler <rjkm@metzlerbros.de>
* Marcus Metzler <mocm@metzlerbros.de>
*/
#ifndef __DDBRIDGE_IO_H__
#define __DDBRIDGE_IO_H__
#include <linux/io.h>
#include "ddbridge.h"
/******************************************************************************/
static inline u32 ddblreadl(struct ddb_link *link, u32 adr)
{
return readl(link->dev->regs + adr);
}
static inline void ddblwritel(struct ddb_link *link, u32 val, u32 adr)
{
writel(val, link->dev->regs + adr);
}
static inline u32 ddbreadl(struct ddb *dev, u32 adr)
{
return readl(dev->regs + adr);
}
static inline void ddbwritel(struct ddb *dev, u32 val, u32 adr)
{
writel(val, dev->regs + adr);
}
static inline void ddbcpyto(struct ddb *dev, u32 adr, void *src, long count)
{
memcpy_toio(dev->regs + adr, src, count);
}
static inline void ddbcpyfrom(struct ddb *dev, void *dst, u32 adr, long count)
{
memcpy_fromio(dst, dev->regs + adr, count);
}
static inline u32 safe_ddbreadl(struct ddb *dev, u32 adr)
{
u32 val = ddbreadl(dev, adr);
/* (ddb)readl returns (uint)-1 (all bits set) on failure, catch that */
if (val == ~0) {
dev_err(&dev->pdev->dev, "ddbreadl failure, adr=%08x\n", adr);
return 0;
}
return val;
}
#endif /* __DDBRIDGE_IO_H__ */