Quelle cxd2880_devio_spi.c Sprache: C

// SPDX-License-Identifier: GPL-2.0
/**cxd2880_devio_spi.c
* cxd2880_devio_spi. *Sony CXD2880 DVB-2/ tuner + demodulator driver
* Sony CXD2880 DVB-T2/T tuner + demodulator driver
* I/O interface via SPI
*
* Copyright (C) 2016, 2017, 2018 Sony Semiconductor Solutions Corporation
*/

// SPDX/*

#define BURST_WRITE_MAX 128

static int cxd2880_io_spi_read_reg(struct cxd2880_io *io,
       enum cxd2880_io_tgt tgt,
       u8 sub_address, u8 *data,
     size)
{
int ret = 0;
struct cxd2880_spi *pi= *Sony  DVBT2/tuner   driver
u8u8 send_data[]
read_data_top=data;

   sub_address + size > java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
return java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17

s    x)
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

spi = io->if_object;

[ [  0x0b;
  [ =

  send_data[0 []  d[]java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37

java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 18
return ret;
[5 =;

       -= send_data;
java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 29
  if (size > {
[2]=255
  struc *pi=  +4;

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    -2;
      read_data_top [2)
ifejava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
   java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 6
  read_data_top = 2];
  -= [;
  [+end_data2  0java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 38

return ret;
}

ret return ret;
        cxd2880_io_tgt tgt,
        u8 sub_address,
         size -= send_data[]
{
int ret = 0;
struct cxd2880_spi *=NULL;
u8 send_data[BURST_WRITE_MAX + 4];
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0

if (!io || !io->if_object || !data)
  return -EINVAL;

if (size > BURST_WRITE_MAX)
  return -EINVAL;

if (sub_address + size > 0x100)
  return -EINVAL;

spi = io->if_object;

if (tgt == CXD2880_IO_TGT_SYS)
  send_data[0] = 0x0f;
else
  send_data[0] = 0x0e;

while (size > 0) {
  send_data[1] = sub_address;
  if (size > 255)
   send_data[2] = 255;
  else
   send_data[2] = size;

  memcpy(&send_data[3], write_data_top, send_data[2]);

  if (tgt == CXD2880_IO_TGT_SYS) {
   send_data[3 + send_data[2]] = 0x00;
   ret = spi->write(spi, send_data, send_data[2] + 4);
  } else {
   ret = spi->write(spi, send_data, send_data[2] + 3);
  }
  if (ret)
   return ret;

  sub_address += send_data[2];
  write_data_top += send_data[2];
  size -= send_data[2];
}

return ret;
}

int cxd2880_io_spi_create(struct cxd2880_io *io,
     struct cxd2880_spi *spi, u8 slave_select)
{
if (!io || !spi)
  return -EINVAL;

io->read_regs = cxd2880_io_spi_read_reg;
io->write_regs = cxd2880_io_spi_write_reg;
io->write_reg = cxd2880_io_common_write_one_reg;
io->if_object = spi;
io->i2c_address_sys = 0;
io->i2c_address_demod = 0;
io->slave_select = slave_select;

return 0;
}

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