LXR linux/drivers/media/dvb-frontends/cxd2880/cxd2880

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * cxd2880_io.h
   4 * Sony CXD2880 DVB-T2/T tuner + demodulator driver
   5 * register I/O interface definitions
   6 *
   7 * Copyright (C) 2016, 2017, 2018 Sony Semiconductor Solutions Corporation
   8 */
   9
  10#ifndef CXD2880_IO_H
  11#define CXD2880_IO_H
  12
  13#include "cxd2880_common.h"
  14
  15enum cxd2880_io_tgt {
  16        CXD2880_IO_TGT_SYS,
  17        CXD2880_IO_TGT_DMD
  18};
  19
  20struct cxd2880_reg_value {
  21        u8 addr;
  22        u8 value;
  23};
  24
  25struct cxd2880_io {
  26        int (*read_regs)(struct cxd2880_io *io,
  27                         enum cxd2880_io_tgt tgt, u8 sub_address,
  28                         u8 *data, u32 size);
  29        int (*write_regs)(struct cxd2880_io *io,
  30                          enum cxd2880_io_tgt tgt, u8 sub_address,
  31                          const u8 *data, u32 size);
  32        int (*write_reg)(struct cxd2880_io *io,
  33                         enum cxd2880_io_tgt tgt, u8 sub_address,
  34                         u8 data);
  35        void *if_object;
  36        u8 i2c_address_sys;
  37        u8 i2c_address_demod;
  38        u8 slave_select;
  39        void *user;
  40};
  41
  42int cxd2880_io_common_write_one_reg(struct cxd2880_io *io,
  43                                    enum cxd2880_io_tgt tgt,
  44                                    u8 sub_address, u8 data);
  45
  46int cxd2880_io_set_reg_bits(struct cxd2880_io *io,
  47                            enum cxd2880_io_tgt tgt,
  48                            u8 sub_address, u8 data, u8 mask);
  49
  50int cxd2880_io_write_multi_regs(struct cxd2880_io *io,
  51                                enum cxd2880_io_tgt tgt,
  52                                const struct cxd2880_reg_value reg_value[],
  53                                u8 size);
  54#endif
  55