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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/mmc/host/renesas_sdhi.h | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/mmc/host/renesas_sdhi.h')
| -rw-r--r-- | drivers/mmc/host/renesas_sdhi.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/mmc/host/renesas_sdhi.h b/drivers/mmc/host/renesas_sdhi.h new file mode 100644 index 000000000..f13f798d8 --- /dev/null +++ b/drivers/mmc/host/renesas_sdhi.h @@ -0,0 +1,63 @@ +/* + * 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 |