linux/drivers/media/dvb-frontends/cxd2880/cxd2880_io.h
Yasunari Takiguchi 1a3ef038d0 media: cxd2880: Add common files for the driver
These are common files for the driver for the
Sony CXD2880 DVB-T2/T tuner + demodulator.
These contains helper functions for the driver.

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>
2018-03-07 04:39:42 -05:00

55 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* cxd2880_io.h
* Sony CXD2880 DVB-T2/T tuner + demodulator driver
* register I/O interface definitions
*
* Copyright (C) 2016, 2017, 2018 Sony Semiconductor Solutions Corporation
*/
#ifndef CXD2880_IO_H
#define CXD2880_IO_H
#include "cxd2880_common.h"
enum cxd2880_io_tgt {
CXD2880_IO_TGT_SYS,
CXD2880_IO_TGT_DMD
};
struct cxd2880_reg_value {
u8 addr;
u8 value;
};
struct cxd2880_io {
int (*read_regs)(struct cxd2880_io *io,
enum cxd2880_io_tgt tgt, u8 sub_address,
u8 *data, u32 size);
int (*write_regs)(struct cxd2880_io *io,
enum cxd2880_io_tgt tgt, u8 sub_address,
const u8 *data, u32 size);
int (*write_reg)(struct cxd2880_io *io,
enum cxd2880_io_tgt tgt, u8 sub_address,
u8 data);
void *if_object;
u8 i2c_address_sys;
u8 i2c_address_demod;
u8 slave_select;
void *user;
};
int cxd2880_io_common_write_one_reg(struct cxd2880_io *io,
enum cxd2880_io_tgt tgt,
u8 sub_address, u8 data);
int cxd2880_io_set_reg_bits(struct cxd2880_io *io,
enum cxd2880_io_tgt tgt,
u8 sub_address, u8 data, u8 mask);
int cxd2880_io_write_multi_regs(struct cxd2880_io *io,
enum cxd2880_io_tgt tgt,
const struct cxd2880_reg_value reg_value[],
u8 size);
#endif