dvb-frontends/cxd2880/cxd2880_io.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  * cxd2880_io.h
0004  * Sony CXD2880 DVB-T2/T tuner + demodulator driver
0005  * register I/O interface definitions
0006  *
0007  * Copyright (C) 2016, 2017, 2018 Sony Semiconductor Solutions Corporation
0008  */
0009
0010 #ifndef CXD2880_IO_H
0011 #define CXD2880_IO_H
0012
0013 #include "cxd2880_common.h"
0014
0015 enum cxd2880_io_tgt {
0016     CXD2880_IO_TGT_SYS,
0017     CXD2880_IO_TGT_DMD
0018 };
0019
0020 struct cxd2880_reg_value {
0021     u8 addr;
0022     u8 value;
0023 };
0024
0025 struct cxd2880_io {
0026     int (*read_regs)(struct cxd2880_io *io,
0027              enum cxd2880_io_tgt tgt, u8 sub_address,
0028              u8 *data, u32 size);
0029     int (*write_regs)(struct cxd2880_io *io,
0030               enum cxd2880_io_tgt tgt, u8 sub_address,
0031               const u8 *data, u32 size);
0032     int (*write_reg)(struct cxd2880_io *io,
0033              enum cxd2880_io_tgt tgt, u8 sub_address,
0034              u8 data);
0035     void *if_object;
0036     u8 i2c_address_sys;
0037     u8 i2c_address_demod;
0038     u8 slave_select;
0039     void *user;
0040 };
0041
0042 int cxd2880_io_common_write_one_reg(struct cxd2880_io *io,
0043                     enum cxd2880_io_tgt tgt,
0044                     u8 sub_address, u8 data);
0045
0046 int cxd2880_io_set_reg_bits(struct cxd2880_io *io,
0047                 enum cxd2880_io_tgt tgt,
0048                 u8 sub_address, u8 data, u8 mask);
0049
0050 int cxd2880_io_write_multi_regs(struct cxd2880_io *io,
0051                 enum cxd2880_io_tgt tgt,
0052                 const struct cxd2880_reg_value reg_value[],
0053                 u8 size);
0054 #endif