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/*
* Copyright (c) 2006-2024, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2024-01-30 RT-Thread first version
*/
#ifndef __SDHCI_DWCMSHC_H__
#define __SDHCI_DWCMSHC_H__
#include "../dev_sdhci_dm.h"
#define SDHCI_DWCMSHC_ARG2_STUFF RT_GENMASK(31, 16)
/* DWCMSHC specific Mode Select value */
#define DWCMSHC_CTRL_HS400 0x7
/* DWC IP vendor area 1 pointer */
#define DWCMSHC_P_VENDOR_AREA1 0xe8
#define DWCMSHC_AREA1_MASK RT_GENMASK(11, 0)
/* Offset inside the vendor area 1 */
#define DWCMSHC_HOST_CTRL3 0x8
#define DWCMSHC_EMMC_CONTROL 0x2c
#define DWCMSHC_CARD_IS_EMMC RT_BIT(0)
#define DWCMSHC_ENHANCED_STROBE RT_BIT(8)
#define DWCMSHC_EMMC_ATCTRL 0x40
/* DWC IP vendor area 2 pointer */
#define DWCMSHC_P_VENDOR_AREA2 0xea
struct sdhci_dwcmshc;
struct sdhci_dwcmshc_drv_data
{
const struct rt_sdhci_pltfm_data *pdata;
rt_err_t (*init)(struct rt_sdhci_host *host, struct sdhci_dwcmshc *priv);
void (*postinit)(struct rt_sdhci_host *host, struct sdhci_dwcmshc *priv);
void (*remove)(struct rt_sdhci_host *host, struct sdhci_dwcmshc *priv);
void *vendor_priv;
};
struct sdhci_dwcmshc
{
struct rt_clk *bus_clk;
/* P_VENDOR_SPECIFIC_AREA1/2 reg */
int vendor_specific_area1;
int vendor_specific_area2;
void *vendor_priv;
const struct sdhci_dwcmshc_drv_data *drv_data;
};
extern const struct sdhci_dwcmshc_drv_data sdhci_dwcmshc_generic_drv_data;
rt_err_t sdhci_dwcmshc_probe(struct rt_platform_device *pdev,
const struct sdhci_dwcmshc_drv_data *drv_data);
rt_err_t sdhci_dwcmshc_remove(struct rt_platform_device *pdev);
void sdhci_dwcmshc_set_uhs_signaling(struct rt_sdhci_host *host, unsigned int timing);
#endif /* __SDHCI_DWCMSHC_H__ */
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