2010-08-11 09:01:47 +08:00
|
|
|
/*
|
|
|
|
|
* Copyright 2010 MontaVista Software, LLC.
|
|
|
|
|
*
|
|
|
|
|
* Author: Anton Vorontsov <avorontsov@ru.mvista.com>
|
|
|
|
|
*
|
|
|
|
|
* This program is free software; you can redistribute it and/or modify
|
|
|
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
|
|
|
* published by the Free Software Foundation.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef _DRIVERS_MMC_SDHCI_PLTFM_H
|
|
|
|
|
#define _DRIVERS_MMC_SDHCI_PLTFM_H
|
|
|
|
|
|
2010-10-15 18:20:59 +08:00
|
|
|
#include <linux/clk.h>
|
2011-05-27 23:48:12 +08:00
|
|
|
#include <linux/platform_device.h>
|
2011-06-02 10:57:50 +08:00
|
|
|
#include "sdhci.h"
|
2010-08-11 09:01:49 +08:00
|
|
|
|
2011-05-27 23:48:15 +08:00
|
|
|
struct sdhci_pltfm_data {
|
|
|
|
|
struct sdhci_ops *ops;
|
|
|
|
|
unsigned int quirks;
|
|
|
|
|
};
|
|
|
|
|
|
2010-10-15 18:20:59 +08:00
|
|
|
struct sdhci_pltfm_host {
|
|
|
|
|
struct clk *clk;
|
2011-03-25 21:18:27 +08:00
|
|
|
void *priv; /* to handle quirks across io-accessor calls */
|
2011-07-21 05:13:36 +08:00
|
|
|
|
|
|
|
|
/* migrate from sdhci_of_host */
|
|
|
|
|
unsigned int clock;
|
|
|
|
|
u16 xfer_mode_shadow;
|
2010-10-15 18:20:59 +08:00
|
|
|
};
|
|
|
|
|
|
2011-05-27 23:48:14 +08:00
|
|
|
#ifdef CONFIG_MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER
|
2011-06-02 10:57:50 +08:00
|
|
|
/*
|
|
|
|
|
* These accessors are designed for big endian hosts doing I/O to
|
|
|
|
|
* little endian controllers incorporating a 32-bit hardware byte swapper.
|
|
|
|
|
*/
|
|
|
|
|
static inline u32 sdhci_be32bs_readl(struct sdhci_host *host, int reg)
|
|
|
|
|
{
|
|
|
|
|
return in_be32(host->ioaddr + reg);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static inline u16 sdhci_be32bs_readw(struct sdhci_host *host, int reg)
|
|
|
|
|
{
|
|
|
|
|
return in_be16(host->ioaddr + (reg ^ 0x2));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static inline u8 sdhci_be32bs_readb(struct sdhci_host *host, int reg)
|
|
|
|
|
{
|
|
|
|
|
return in_8(host->ioaddr + (reg ^ 0x3));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static inline void sdhci_be32bs_writel(struct sdhci_host *host,
|
|
|
|
|
u32 val, int reg)
|
|
|
|
|
{
|
|
|
|
|
out_be32(host->ioaddr + reg, val);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static inline void sdhci_be32bs_writew(struct sdhci_host *host,
|
|
|
|
|
u16 val, int reg)
|
|
|
|
|
{
|
|
|
|
|
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
|
|
|
|
|
int base = reg & ~0x3;
|
|
|
|
|
int shift = (reg & 0x2) * 8;
|
|
|
|
|
|
|
|
|
|
switch (reg) {
|
|
|
|
|
case SDHCI_TRANSFER_MODE:
|
|
|
|
|
/*
|
|
|
|
|
* Postpone this write, we must do it together with a
|
|
|
|
|
* command write that is down below.
|
|
|
|
|
*/
|
|
|
|
|
pltfm_host->xfer_mode_shadow = val;
|
|
|
|
|
return;
|
|
|
|
|
case SDHCI_COMMAND:
|
|
|
|
|
sdhci_be32bs_writel(host,
|
|
|
|
|
val << 16 | pltfm_host->xfer_mode_shadow,
|
|
|
|
|
SDHCI_TRANSFER_MODE);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
clrsetbits_be32(host->ioaddr + base, 0xffff << shift, val << shift);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static inline void sdhci_be32bs_writeb(struct sdhci_host *host, u8 val, int reg)
|
|
|
|
|
{
|
|
|
|
|
int base = reg & ~0x3;
|
|
|
|
|
int shift = (reg & 0x3) * 8;
|
|
|
|
|
|
|
|
|
|
clrsetbits_be32(host->ioaddr + base , 0xff << shift, val << shift);
|
|
|
|
|
}
|
|
|
|
|
#endif /* CONFIG_MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER */
|
2011-05-27 23:48:14 +08:00
|
|
|
|
|
|
|
|
extern void sdhci_get_of_property(struct platform_device *pdev);
|
|
|
|
|
|
2011-05-27 23:48:12 +08:00
|
|
|
extern struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
|
|
|
|
|
struct sdhci_pltfm_data *pdata);
|
|
|
|
|
extern void sdhci_pltfm_free(struct platform_device *pdev);
|
|
|
|
|
|
|
|
|
|
extern int sdhci_pltfm_register(struct platform_device *pdev,
|
|
|
|
|
struct sdhci_pltfm_data *pdata);
|
|
|
|
|
extern int sdhci_pltfm_unregister(struct platform_device *pdev);
|
|
|
|
|
|
|
|
|
|
#ifdef CONFIG_PM
|
|
|
|
|
extern int sdhci_pltfm_suspend(struct platform_device *dev, pm_message_t state);
|
|
|
|
|
extern int sdhci_pltfm_resume(struct platform_device *dev);
|
|
|
|
|
#endif
|
2010-08-11 09:01:49 +08:00
|
|
|
|
2010-08-11 09:01:47 +08:00
|
|
|
#endif /* _DRIVERS_MMC_SDHCI_PLTFM_H */
|
