/* 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 )
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
Messung V0.5 in Prozent C=93 H=95 G=93
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(vorverarbeitet am 2026-09-27)
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