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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566/* SPDX-License-Identifier: GPL-2.0 */#ifndef MFD_TMIO_H#define MFD_TMIO_H
#include <linux/platform_device.h>#include <linux/types.h>
/* TMIO MMC platform flags */
/* * Some controllers can support a 2-byte block size when the bus width is * configured in 4-bit mode. */#define TMIO_MMC_BLKSZ_2BYTES BIT(1)
/* Some controllers can support SDIO IRQ signalling */#define TMIO_MMC_SDIO_IRQ BIT(2)
/* Some features are only available or tested on R-Car Gen2 or later */#define TMIO_MMC_MIN_RCAR2 BIT(3)
/* * Some controllers require waiting for the SD bus to become idle before * writing to some registers. */#define TMIO_MMC_HAS_IDLE_WAIT BIT(4)
/* * Use the busy timeout feature. Probably all TMIO versions support it. Yet, * we don't have documentation for old variants, so we enable only known good * variants with this flag. Can be removed once all variants are known good. */#define TMIO_MMC_USE_BUSY_TIMEOUT BIT(5)
/* Some controllers have CMD12 automatically issue/non-issue register */#define TMIO_MMC_HAVE_CMD12_CTRL BIT(7)
/* Controller has some SDIO status bits which must be 1 */#define TMIO_MMC_SDIO_STATUS_SETBITS BIT(8)
/* Some controllers have a 32-bit wide data port register */#define TMIO_MMC_32BIT_DATA_PORT BIT(9)
/* Some controllers allows to set SDx actual clock */#define TMIO_MMC_CLK_ACTUAL BIT(10)
/* Some controllers have a CBSY bit */#define TMIO_MMC_HAVE_CBSY BIT(11)
/* Some controllers have a 64-bit wide data port register */#define TMIO_MMC_64BIT_DATA_PORT BIT(12)
struct tmio_mmc_data { void *chan_priv_tx; void *chan_priv_rx; unsigned int hclk; unsigned long capabilities; unsigned long capabilities2; unsigned long flags; u32 ocr_mask; /* available voltages */ dma_addr_t dma_rx_offset; unsigned int max_blk_count; unsigned short max_segs;};#endif