linux/drivers/media/dvb-frontends/cxd2880/cxd2880_devio_spi.c

// SPDX-License-Identifier: GPL-2.0
/*
 * cxd2880_devio_spi.c
 * Sony CXD2880 DVB-T2/T tuner + demodulator driver
 * I/O interface via SPI
 *
 * Copyright (C) 2016, 2017, 2018 Sony Semiconductor Solutions Corporation
 */

#include "cxd2880_devio_spi.h"

#define BURST_WRITE_MAX …

static int cxd2880_io_spi_read_reg(struct cxd2880_io *io,
				   enum cxd2880_io_tgt tgt,
				   u8 sub_address, u8 *data,
				   u32 size)
{ … }

static int cxd2880_io_spi_write_reg(struct cxd2880_io *io,
				    enum cxd2880_io_tgt tgt,
				    u8 sub_address,
				    const u8 *data, u32 size)
{ … }

int cxd2880_io_spi_create(struct cxd2880_io *io,
			  struct cxd2880_spi *spi, u8 slave_select)
{ … }