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Add functions for initializing, reading and writing to the SPI device for the Sony CXD2880 DVB-T2/T tuner + demodulator. Signed-off-by: Yasunari Takiguchi <Yasunari.Takiguchi@sony.com> Signed-off-by: Masayuki Yamamoto <Masayuki.Yamamoto@sony.com> Signed-off-by: Hideki Nozawa <Hideki.Nozawa@sony.com> Signed-off-by: Kota Yonezawa <Kota.Yonezawa@sony.com> Signed-off-by: Toshihiko Matsumoto <Toshihiko.Matsumoto@sony.com> Signed-off-by: Satoshi Watanabe <Satoshi.C.Watanabe@sony.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
35 lines
713 B
C
35 lines
713 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* cxd2880_spi.h
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* Sony CXD2880 DVB-T2/T tuner + demodulator driver
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* SPI access definitions
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*
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* Copyright (C) 2016, 2017, 2018 Sony Semiconductor Solutions Corporation
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*/
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#ifndef CXD2880_SPI_H
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#define CXD2880_SPI_H
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#include "cxd2880_common.h"
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enum cxd2880_spi_mode {
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CXD2880_SPI_MODE_0,
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CXD2880_SPI_MODE_1,
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CXD2880_SPI_MODE_2,
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CXD2880_SPI_MODE_3
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};
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struct cxd2880_spi {
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int (*read)(struct cxd2880_spi *spi, u8 *data,
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u32 size);
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int (*write)(struct cxd2880_spi *spi, const u8 *data,
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u32 size);
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int (*write_read)(struct cxd2880_spi *spi,
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const u8 *tx_data, u32 tx_size,
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u8 *rx_data, u32 rx_size);
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u32 flags;
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void *user;
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};
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#endif
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