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Release 4.16 drivers/mmc/host/renesas_sdhi.h

Directory: drivers/mmc/host
/*
 * Renesas Mobile SDHI
 *
 * Copyright (C) 2017 Horms Solutions Ltd., Simon Horman
 * Copyright (C) 2017 Renesas Electronics Corporation
 *
 * 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 RENESAS_SDHI_H

#define RENESAS_SDHI_H

#include <linux/platform_device.h>
#include "tmio_mmc.h"


struct renesas_sdhi_scc {
	
unsigned long clk_rate;	/* clock rate for SDR104 */
	
u32 tap;		/* sampling clock position for SDR104 */
};


struct renesas_sdhi_of_data {
	
unsigned long tmio_flags;
	
u32	      tmio_ocr_mask;
	
unsigned long capabilities;
	
unsigned long capabilities2;
	
enum dma_slave_buswidth dma_buswidth;
	
dma_addr_t dma_rx_offset;
	
unsigned int bus_shift;
	
int scc_offset;
	
struct renesas_sdhi_scc *taps;
	
int taps_num;
	
unsigned int max_blk_count;
	
unsigned short max_segs;
};


struct tmio_mmc_dma {
	
enum dma_slave_buswidth dma_buswidth;
	
bool (*filter)(struct dma_chan *chan, void *arg);
	
void (*enable)(struct tmio_mmc_host *host, bool enable);
	
struct completion	dma_dataend;
	
struct tasklet_struct	dma_complete;
};


struct renesas_sdhi {
	
struct clk *clk;
	
struct clk *clk_cd;
	
struct tmio_mmc_data mmc_data;
	
struct tmio_mmc_dma dma_priv;
	
struct pinctrl *pinctrl;
	

struct pinctrl_state *pins_default, *pins_uhs;
	
void __iomem *scc_ctl;
	
u32 scc_tappos;
};


#define host_to_priv(host) \
	container_of((host)->pdata, struct renesas_sdhi, mmc_data)

int renesas_sdhi_probe(struct platform_device *pdev,
		       const struct tmio_mmc_dma_ops *dma_ops);
int renesas_sdhi_remove(struct platform_device *pdev);
#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Masahiro Yamada10049.26%342.86%
Simon Horman9546.80%342.86%
Yoshihiro Shimoda83.94%114.29%
Total203100.00%7100.00%
Directory: drivers/mmc/host
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