drivers/media/dvb-frontends/cxd2880/cxd2880_io.h

   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
  15 enum cxd2880_io_tgt {
  16         CXD2880_IO_TGT_SYS,
  17         CXD2880_IO_TGT_DMD
  18 };
  19
  20 struct cxd2880_reg_value {
  21         u8 addr;
  22         u8 value;
  23 };
  24
  25 struct 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
  42 int cxd2880_io_common_write_one_reg(struct cxd2880_io *io,
  43                                     enum cxd2880_io_tgt tgt,
  44                                     u8 sub_address, u8 data);
  45
  46 int cxd2880_io_set_reg_bits(struct cxd2880_io *io,
  47                             enum cxd2880_io_tgt tgt,
  48                             u8 sub_address, u8 data, u8 mask);
  49
  50 int 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