OpenCloudOS-Kernel/drivers/mmc/host/renesas_sdhi.h

42 lines
1.1 KiB
C

/*
* 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;
};
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