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- /*
- * 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
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