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Nama	Ukuran	Aksi
ad7877.h	835 B	View DL Edit
ads7846.h	2.02 MB	View DL Edit
altera.h	1.15 MB	View DL Edit
at73c213.h	828 B	View DL Edit
at86rf230.h	329 B	View DL Edit
cc2520.h	410 B	View DL Edit
corgi_lcd.h	377 B	View DL Edit
ds1305.h	1.08 MB	View DL Edit
eeprom.h	1.19 MB	View DL Edit
flash.h	1023 B	View DL Edit
libertas_spi.h	700 B	View DL Edit
max7301.h	939 B	View DL Edit
mc33880.h	196 B	View DL Edit
mmc_spi.h	1.27 MB	View DL Edit
mxs-spi.h	4.8 MB	View DL Edit
pxa2xx_spi.h	1.12 MB	View DL Edit
rspi.h	304 B	View DL Edit
s3c24xx-fiq.h	788 B	View DL Edit
s3c24xx.h	684 B	View DL Edit
sh_hspi.h	161 B	View DL Edit
sh_msiof.h	357 B	View DL Edit
spi-fsl-dspi.h	560 B	View DL Edit
spi-mem.h	13.29 MB	View DL Edit
spi.h	57.18 MB	View DL Edit
spi_bitbang.h	1.56 MB	View DL Edit
spi_gpio.h	724 B	View DL Edit
spi_oc_tiny.h	471 B	View DL Edit
tdo24m.h	210 B	View DL Edit
tle62x0.h	265 B	View DL Edit
xilinx_spi.h	627 B	View DL Edit

Edit file: /usr/src/kernels/5.14.0-427.31.1.el9_4.x86_64/include/linux/spi/spi_bitbang.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef	__SPI_BITBANG_H
#define	__SPI_BITBANG_H

#include <linux/workqueue.h>

struct spi_bitbang {
	struct mutex		lock;
	u8			busy;
	u8			use_dma;
	u16			flags;		/* extra spi->mode support */

struct spi_master	*master;

/* setup_transfer() changes clock and/or wordsize to match settings
	 * for this transfer; zeroes restore defaults from spi_device.
	 */
	int	(*setup_transfer)(struct spi_device *spi,
			struct spi_transfer *t);

void	(*chipselect)(struct spi_device *spi, int is_on);
#define	BITBANG_CS_ACTIVE	1	/* normally nCS, active low */
#define	BITBANG_CS_INACTIVE	0

/* txrx_bufs() may handle dma mapping for transfers that don't
	 * already have one (transfer.{tx,rx}_dma is zero), or use PIO
	 */
	int	(*txrx_bufs)(struct spi_device *spi, struct spi_transfer *t);

/* txrx_word[SPI_MODE_*]() just looks like a shift register */
	u32	(*txrx_word[4])(struct spi_device *spi,
			unsigned nsecs,
			u32 word, u8 bits, unsigned flags);
	int	(*set_line_direction)(struct spi_device *spi, bool output);
};

/* you can call these default bitbang->master methods from your custom
 * methods, if you like.
 */
extern int spi_bitbang_setup(struct spi_device *spi);
extern void spi_bitbang_cleanup(struct spi_device *spi);
extern int spi_bitbang_setup_transfer(struct spi_device *spi,
				      struct spi_transfer *t);

/* start or stop queue processing */
extern int spi_bitbang_start(struct spi_bitbang *spi);
extern int spi_bitbang_init(struct spi_bitbang *spi);
extern void spi_bitbang_stop(struct spi_bitbang *spi);

#endif	/* __SPI_BITBANG_H */

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