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linuxdebug/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt2.c

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null pointer error
2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: GPL-2.0
/*
* cxd2880_tnrdmd_dvbt2.c
* Sony CXD2880 DVB-T2/T tuner + demodulator driver
* control functions for DVB-T2
*
* Copyright (C) 2016, 2017, 2018 Sony Semiconductor Solutions Corporation
*/
#include <media/dvb_frontend.h>
#include "cxd2880_tnrdmd_dvbt2.h"
#include "cxd2880_tnrdmd_dvbt2_mon.h"
static const struct cxd2880_reg_value tune_dmd_setting_seq1[] = {
{0x00, 0x00}, {0x31, 0x02},
};
static const struct cxd2880_reg_value tune_dmd_setting_seq2[] = {
{0x00, 0x04}, {0x5d, 0x0b},
};
static int x_tune_dvbt2_demod_setting(struct cxd2880_tnrdmd
*tnr_dmd,
enum cxd2880_dtv_bandwidth
bandwidth,
enum cxd2880_tnrdmd_clockmode
clk_mode)
{
static const u8 tsif_settings[2] = { 0x01, 0x01 };
static const u8 init_settings[14] = {
0x07, 0x06, 0x01, 0xf0, 0x00, 0x00, 0x04, 0xb0, 0x00, 0x00,
0x09, 0x9c, 0x0e, 0x4c
};
static const u8 clk_mode_settings_a1[9] = {
0x52, 0x49, 0x2c, 0x51, 0x51, 0x3d, 0x15, 0x29, 0x0c
};
static const u8 clk_mode_settings_b1[9] = {
0x5d, 0x55, 0x32, 0x5c, 0x5c, 0x45, 0x17, 0x2e, 0x0d
};
static const u8 clk_mode_settings_c1[9] = {
0x60, 0x00, 0x34, 0x5e, 0x5e, 0x47, 0x18, 0x2f, 0x0e
};
static const u8 clk_mode_settings_a2[13] = {
0x04, 0xe7, 0x94, 0x92, 0x09, 0xcf, 0x7e, 0xd0, 0x49,
0xcd, 0xcd, 0x1f, 0x5b
};
static const u8 clk_mode_settings_b2[13] = {
0x05, 0x90, 0x27, 0x55, 0x0b, 0x20, 0x8f, 0xd6, 0xea,
0xc8, 0xc8, 0x23, 0x91
};
static const u8 clk_mode_settings_c2[13] = {
0x05, 0xb8, 0xd8, 0x00, 0x0b, 0x72, 0x93, 0xf3, 0x00,
0xcd, 0xcd, 0x24, 0x95
};
static const u8 clk_mode_settings_a3[5] = {
0x0b, 0x6a, 0xc9, 0x03, 0x33
};
static const u8 clk_mode_settings_b3[5] = {
0x01, 0x02, 0xe4, 0x03, 0x39
};
static const u8 clk_mode_settings_c3[5] = {
0x01, 0x02, 0xeb, 0x03, 0x3b
};
static const u8 gtdofst[2] = { 0x3f, 0xff };
static const u8 bw8_gtdofst_a[2] = { 0x19, 0xd2 };
static const u8 bw8_nomi_ac[6] = { 0x15, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const u8 bw8_nomi_b[6] = { 0x14, 0x6a, 0xaa, 0xaa, 0xab, 0x00 };
static const u8 bw8_sst_a[2] = { 0x06, 0x2a };
static const u8 bw8_sst_b[2] = { 0x06, 0x29 };
static const u8 bw8_sst_c[2] = { 0x06, 0x28 };
static const u8 bw8_mrc_a[9] = {
0x28, 0x00, 0x50, 0x00, 0x60, 0x00, 0x00, 0x90, 0x00
};
static const u8 bw8_mrc_b[9] = {
0x2d, 0x5e, 0x5a, 0xbd, 0x6c, 0xe3, 0x00, 0xa3, 0x55
};
static const u8 bw8_mrc_c[9] = {
0x2e, 0xaa, 0x5d, 0x55, 0x70, 0x00, 0x00, 0xa8, 0x00
};
static const u8 bw7_nomi_ac[6] = { 0x18, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const u8 bw7_nomi_b[6] = { 0x17, 0x55, 0x55, 0x55, 0x55, 0x00 };
static const u8 bw7_sst_a[2] = { 0x06, 0x23 };
static const u8 bw7_sst_b[2] = { 0x06, 0x22 };
static const u8 bw7_sst_c[2] = { 0x06, 0x21 };
static const u8 bw7_mrc_a[9] = {
0x2d, 0xb6, 0x5b, 0x6d, 0x6d, 0xb6, 0x00, 0xa4, 0x92
};
static const u8 bw7_mrc_b[9] = {
0x33, 0xda, 0x67, 0xb4, 0x7c, 0x71, 0x00, 0xba, 0xaa
};
static const u8 bw7_mrc_c[9] = {
0x35, 0x55, 0x6a, 0xaa, 0x80, 0x00, 0x00, 0xc0, 0x00
};
static const u8 bw6_nomi_ac[6] = { 0x1c, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const u8 bw6_nomi_b[6] = { 0x1b, 0x38, 0xe3, 0x8e, 0x39, 0x00 };
static const u8 bw6_sst_a[2] = { 0x06, 0x1c };
static const u8 bw6_sst_b[2] = { 0x06, 0x1b };
static const u8 bw6_sst_c[2] = { 0x06, 0x1a };
static const u8 bw6_mrc_a[9] = {
0x35, 0x55, 0x6a, 0xaa, 0x80, 0x00, 0x00, 0xc0, 0x00
};
static const u8 bw6_mrc_b[9] = {
0x3c, 0x7e, 0x78, 0xfc, 0x91, 0x2f, 0x00, 0xd9, 0xc7
};
static const u8 bw6_mrc_c[9] = {
0x3e, 0x38, 0x7c, 0x71, 0x95, 0x55, 0x00, 0xdf, 0xff
};
static const u8 bw5_nomi_ac[6] = { 0x21, 0x99, 0x99, 0x99, 0x9a, 0x00 };
static const u8 bw5_nomi_b[6] = { 0x20, 0xaa, 0xaa, 0xaa, 0xab, 0x00 };
static const u8 bw5_sst_a[2] = { 0x06, 0x15 };
static const u8 bw5_sst_b[2] = { 0x06, 0x15 };
static const u8 bw5_sst_c[2] = { 0x06, 0x14 };
static const u8 bw5_mrc_a[9] = {
0x40, 0x00, 0x6a, 0xaa, 0x80, 0x00, 0x00, 0xe6, 0x66
};
static const u8 bw5_mrc_b[9] = {
0x48, 0x97, 0x78, 0xfc, 0x91, 0x2f, 0x01, 0x05, 0x55
};
static const u8 bw5_mrc_c[9] = {
0x4a, 0xaa, 0x7c, 0x71, 0x95, 0x55, 0x01, 0x0c, 0xcc
};
static const u8 bw1_7_nomi_a[6] = {
0x68, 0x0f, 0xa2, 0x32, 0xcf, 0x03
};
static const u8 bw1_7_nomi_c[6] = {
0x68, 0x0f, 0xa2, 0x32, 0xcf, 0x03
};
static const u8 bw1_7_nomi_b[6] = {
0x65, 0x2b, 0xa4, 0xcd, 0xd8, 0x03
};
static const u8 bw1_7_sst_a[2] = { 0x06, 0x0c };
static const u8 bw1_7_sst_b[2] = { 0x06, 0x0c };
static const u8 bw1_7_sst_c[2] = { 0x06, 0x0b };
static const u8 bw1_7_mrc_a[9] = {
0x40, 0x00, 0x6a, 0xaa, 0x80, 0x00, 0x02, 0xc9, 0x8f
};
static const u8 bw1_7_mrc_b[9] = {
0x48, 0x97, 0x78, 0xfc, 0x91, 0x2f, 0x03, 0x29, 0x5d
};
static const u8 bw1_7_mrc_c[9] = {
0x4a, 0xaa, 0x7c, 0x71, 0x95, 0x55, 0x03, 0x40, 0x7d
};
const u8 *data = NULL;
const u8 *data2 = NULL;
const u8 *data3 = NULL;
int ret;
if (!tnr_dmd)
return -EINVAL;
ret = cxd2880_io_write_multi_regs(tnr_dmd->io,
CXD2880_IO_TGT_SYS,
tune_dmd_setting_seq1,
ARRAY_SIZE(tune_dmd_setting_seq1));
if (ret)
return ret;
ret = cxd2880_io_write_multi_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
tune_dmd_setting_seq2,
ARRAY_SIZE(tune_dmd_setting_seq2));
if (ret)
return ret;
if (tnr_dmd->diver_mode != CXD2880_TNRDMD_DIVERMODE_SUB) {
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x00);
if (ret)
return ret;
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0xce, tsif_settings, 2);
if (ret)
return ret;
}
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x20);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x8a, init_settings[0]);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x90, init_settings[1]);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x25);
if (ret)
return ret;
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0xf0, &init_settings[2], 2);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x2a);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0xdc, init_settings[4]);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0xde, init_settings[5]);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x2d);
if (ret)
return ret;
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x73, &init_settings[6], 4);
if (ret)
return ret;
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x8f, &init_settings[10], 4);
if (ret)
return ret;
switch (clk_mode) {
case CXD2880_TNRDMD_CLOCKMODE_A:
data = clk_mode_settings_a1;
data2 = clk_mode_settings_a2;
data3 = clk_mode_settings_a3;
break;
case CXD2880_TNRDMD_CLOCKMODE_B:
data = clk_mode_settings_b1;
data2 = clk_mode_settings_b2;
data3 = clk_mode_settings_b3;
break;
case CXD2880_TNRDMD_CLOCKMODE_C:
data = clk_mode_settings_c1;
data2 = clk_mode_settings_c2;
data3 = clk_mode_settings_c3;
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x04);
if (ret)
return ret;
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x1d, &data[0], 3);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x22, data[3]);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x24, data[4]);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x26, data[5]);
if (ret)
return ret;
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x29, &data[6], 2);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x2d, data[8]);
if (ret)
return ret;
if (tnr_dmd->diver_mode != CXD2880_TNRDMD_DIVERMODE_SUB) {
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x2e, &data2[0], 6);
if (ret)
return ret;
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x35, &data2[6], 7);
if (ret)
return ret;
}
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x3c, &data3[0], 2);
if (ret)
return ret;
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x56, &data3[2], 3);
if (ret)
return ret;
switch (bandwidth) {
case CXD2880_DTV_BW_8_MHZ:
switch (clk_mode) {
case CXD2880_TNRDMD_CLOCKMODE_A:
case CXD2880_TNRDMD_CLOCKMODE_C:
data = bw8_nomi_ac;
break;
case CXD2880_TNRDMD_CLOCKMODE_B:
data = bw8_nomi_b;
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x10, data, 6);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x4a, 0x00);
if (ret)
return ret;
switch (clk_mode) {
case CXD2880_TNRDMD_CLOCKMODE_A:
data = bw8_gtdofst_a;
break;
case CXD2880_TNRDMD_CLOCKMODE_B:
case CXD2880_TNRDMD_CLOCKMODE_C:
data = gtdofst;
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x19, data, 2);
if (ret)
return ret;
switch (clk_mode) {
case CXD2880_TNRDMD_CLOCKMODE_A:
data = bw8_sst_a;
break;
case CXD2880_TNRDMD_CLOCKMODE_B:
data = bw8_sst_b;
break;
case CXD2880_TNRDMD_CLOCKMODE_C:
data = bw8_sst_c;
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x1b, data, 2);
if (ret)
return ret;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_MAIN) {
switch (clk_mode) {
case CXD2880_TNRDMD_CLOCKMODE_A:
data = bw8_mrc_a;
break;
case CXD2880_TNRDMD_CLOCKMODE_B:
data = bw8_mrc_b;
break;
case CXD2880_TNRDMD_CLOCKMODE_C:
data = bw8_mrc_c;
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x4b, data, 9);
if (ret)
return ret;
}
break;
case CXD2880_DTV_BW_7_MHZ:
switch (clk_mode) {
case CXD2880_TNRDMD_CLOCKMODE_A:
case CXD2880_TNRDMD_CLOCKMODE_C:
data = bw7_nomi_ac;
break;
case CXD2880_TNRDMD_CLOCKMODE_B:
data = bw7_nomi_b;
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x10, data, 6);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x4a, 0x02);
if (ret)
return ret;
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x19, gtdofst, 2);
if (ret)
return ret;
switch (clk_mode) {
case CXD2880_TNRDMD_CLOCKMODE_A:
data = bw7_sst_a;
break;
case CXD2880_TNRDMD_CLOCKMODE_B:
data = bw7_sst_b;
break;
case CXD2880_TNRDMD_CLOCKMODE_C:
data = bw7_sst_c;
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x1b, data, 2);
if (ret)
return ret;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_MAIN) {
switch (clk_mode) {
case CXD2880_TNRDMD_CLOCKMODE_A:
data = bw7_mrc_a;
break;
case CXD2880_TNRDMD_CLOCKMODE_B:
data = bw7_mrc_b;
break;
case CXD2880_TNRDMD_CLOCKMODE_C:
data = bw7_mrc_c;
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x4b, data, 9);
if (ret)
return ret;
}
break;
case CXD2880_DTV_BW_6_MHZ:
switch (clk_mode) {
case CXD2880_TNRDMD_CLOCKMODE_A:
case CXD2880_TNRDMD_CLOCKMODE_C:
data = bw6_nomi_ac;
break;
case CXD2880_TNRDMD_CLOCKMODE_B:
data = bw6_nomi_b;
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x10, data, 6);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x4a, 0x04);
if (ret)
return ret;
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x19, gtdofst, 2);
if (ret)
return ret;
switch (clk_mode) {
case CXD2880_TNRDMD_CLOCKMODE_A:
data = bw6_sst_a;
break;
case CXD2880_TNRDMD_CLOCKMODE_B:
data = bw6_sst_b;
break;
case CXD2880_TNRDMD_CLOCKMODE_C:
data = bw6_sst_c;
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x1b, data, 2);
if (ret)
return ret;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_MAIN) {
switch (clk_mode) {
case CXD2880_TNRDMD_CLOCKMODE_A:
data = bw6_mrc_a;
break;
case CXD2880_TNRDMD_CLOCKMODE_B:
data = bw6_mrc_b;
break;
case CXD2880_TNRDMD_CLOCKMODE_C:
data = bw6_mrc_c;
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x4b, data, 9);
if (ret)
return ret;
}
break;
case CXD2880_DTV_BW_5_MHZ:
switch (clk_mode) {
case CXD2880_TNRDMD_CLOCKMODE_A:
case CXD2880_TNRDMD_CLOCKMODE_C:
data = bw5_nomi_ac;
break;
case CXD2880_TNRDMD_CLOCKMODE_B:
data = bw5_nomi_b;
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x10, data, 6);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x4a, 0x06);
if (ret)
return ret;
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x19, gtdofst, 2);
if (ret)
return ret;
switch (clk_mode) {
case CXD2880_TNRDMD_CLOCKMODE_A:
data = bw5_sst_a;
break;
case CXD2880_TNRDMD_CLOCKMODE_B:
data = bw5_sst_b;
break;
case CXD2880_TNRDMD_CLOCKMODE_C:
data = bw5_sst_c;
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x1b, data, 2);
if (ret)
return ret;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_MAIN) {
switch (clk_mode) {
case CXD2880_TNRDMD_CLOCKMODE_A:
data = bw5_mrc_a;
break;
case CXD2880_TNRDMD_CLOCKMODE_B:
data = bw5_mrc_b;
break;
case CXD2880_TNRDMD_CLOCKMODE_C:
data = bw5_mrc_c;
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x4b, data, 9);
if (ret)
return ret;
}
break;
case CXD2880_DTV_BW_1_7_MHZ:
switch (clk_mode) {
case CXD2880_TNRDMD_CLOCKMODE_A:
data = bw1_7_nomi_a;
break;
case CXD2880_TNRDMD_CLOCKMODE_C:
data = bw1_7_nomi_c;
break;
case CXD2880_TNRDMD_CLOCKMODE_B:
data = bw1_7_nomi_b;
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x10, data, 6);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x4a, 0x03);
if (ret)
return ret;
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x19, gtdofst, 2);
if (ret)
return ret;
switch (clk_mode) {
case CXD2880_TNRDMD_CLOCKMODE_A:
data = bw1_7_sst_a;
break;
case CXD2880_TNRDMD_CLOCKMODE_B:
data = bw1_7_sst_b;
break;
case CXD2880_TNRDMD_CLOCKMODE_C:
data = bw1_7_sst_c;
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x1b, data, 2);
if (ret)
return ret;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_MAIN) {
switch (clk_mode) {
case CXD2880_TNRDMD_CLOCKMODE_A:
data = bw1_7_mrc_a;
break;
case CXD2880_TNRDMD_CLOCKMODE_B:
data = bw1_7_mrc_b;
break;
case CXD2880_TNRDMD_CLOCKMODE_C:
data = bw1_7_mrc_c;
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x4b, data, 9);
if (ret)
return ret;
}
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x00);
if (ret)
return ret;
return tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0xfd, 0x01);
}
static int x_sleep_dvbt2_demod_setting(struct cxd2880_tnrdmd
*tnr_dmd)
{
static const u8 difint_clip[] = {
0, 1, 0, 2, 0, 4, 0, 8, 0, 16, 0, 32
};
int ret = 0;
if (!tnr_dmd)
return -EINVAL;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_MAIN) {
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x1d);
if (ret)
return ret;
ret = tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x47, difint_clip, 12);
}
return ret;
}
static int dvbt2_set_profile(struct cxd2880_tnrdmd *tnr_dmd,
enum cxd2880_dvbt2_profile profile)
{
u8 t2_mode_tune_mode = 0;
u8 seq_not2_dtime = 0;
u8 dtime1 = 0;
u8 dtime2 = 0;
int ret;
if (!tnr_dmd)
return -EINVAL;
switch (tnr_dmd->clk_mode) {
case CXD2880_TNRDMD_CLOCKMODE_A:
dtime1 = 0x27;
dtime2 = 0x0c;
break;
case CXD2880_TNRDMD_CLOCKMODE_B:
dtime1 = 0x2c;
dtime2 = 0x0d;
break;
case CXD2880_TNRDMD_CLOCKMODE_C:
dtime1 = 0x2e;
dtime2 = 0x0e;
break;
default:
return -EINVAL;
}
switch (profile) {
case CXD2880_DVBT2_PROFILE_BASE:
t2_mode_tune_mode = 0x01;
seq_not2_dtime = dtime2;
break;
case CXD2880_DVBT2_PROFILE_LITE:
t2_mode_tune_mode = 0x05;
seq_not2_dtime = dtime1;
break;
case CXD2880_DVBT2_PROFILE_ANY:
t2_mode_tune_mode = 0x00;
seq_not2_dtime = dtime1;
break;
default:
return -EINVAL;
}
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x2e);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x10, t2_mode_tune_mode);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x04);
if (ret)
return ret;
return tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x2c, seq_not2_dtime);
}
int cxd2880_tnrdmd_dvbt2_tune1(struct cxd2880_tnrdmd *tnr_dmd,
struct cxd2880_dvbt2_tune_param
*tune_param)
{
int ret;
if (!tnr_dmd || !tune_param)
return -EINVAL;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SUB)
return -EINVAL;
if (tnr_dmd->state != CXD2880_TNRDMD_STATE_SLEEP &&
tnr_dmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
return -EINVAL;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_MAIN &&
tune_param->profile == CXD2880_DVBT2_PROFILE_ANY)
return -ENOTTY;
ret =
cxd2880_tnrdmd_common_tune_setting1(tnr_dmd, CXD2880_DTV_SYS_DVBT2,
tune_param->center_freq_khz,
tune_param->bandwidth, 0, 0);
if (ret)
return ret;
ret =
x_tune_dvbt2_demod_setting(tnr_dmd, tune_param->bandwidth,
tnr_dmd->clk_mode);
if (ret)
return ret;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_MAIN) {
ret =
x_tune_dvbt2_demod_setting(tnr_dmd->diver_sub,
tune_param->bandwidth,
tnr_dmd->diver_sub->clk_mode);
if (ret)
return ret;
}
ret = dvbt2_set_profile(tnr_dmd, tune_param->profile);
if (ret)
return ret;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_MAIN) {
ret =
dvbt2_set_profile(tnr_dmd->diver_sub, tune_param->profile);
if (ret)
return ret;
}
if (tune_param->data_plp_id == CXD2880_DVBT2_TUNE_PARAM_PLPID_AUTO)
ret = cxd2880_tnrdmd_dvbt2_set_plp_cfg(tnr_dmd, 1, 0);
else
ret =
cxd2880_tnrdmd_dvbt2_set_plp_cfg(tnr_dmd, 0,
(u8)(tune_param->data_plp_id));
return ret;
}
int cxd2880_tnrdmd_dvbt2_tune2(struct cxd2880_tnrdmd *tnr_dmd,
struct cxd2880_dvbt2_tune_param
*tune_param)
{
u8 en_fef_intmtnt_ctrl = 1;
int ret;
if (!tnr_dmd || !tune_param)
return -EINVAL;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SUB)
return -EINVAL;
if (tnr_dmd->state != CXD2880_TNRDMD_STATE_SLEEP &&
tnr_dmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
return -EINVAL;
switch (tune_param->profile) {
case CXD2880_DVBT2_PROFILE_BASE:
en_fef_intmtnt_ctrl = tnr_dmd->en_fef_intmtnt_base;
break;
case CXD2880_DVBT2_PROFILE_LITE:
en_fef_intmtnt_ctrl = tnr_dmd->en_fef_intmtnt_lite;
break;
case CXD2880_DVBT2_PROFILE_ANY:
if (tnr_dmd->en_fef_intmtnt_base &&
tnr_dmd->en_fef_intmtnt_lite)
en_fef_intmtnt_ctrl = 1;
else
en_fef_intmtnt_ctrl = 0;
break;
default:
return -EINVAL;
}
ret =
cxd2880_tnrdmd_common_tune_setting2(tnr_dmd,
CXD2880_DTV_SYS_DVBT2,
en_fef_intmtnt_ctrl);
if (ret)
return ret;
tnr_dmd->state = CXD2880_TNRDMD_STATE_ACTIVE;
tnr_dmd->frequency_khz = tune_param->center_freq_khz;
tnr_dmd->sys = CXD2880_DTV_SYS_DVBT2;
tnr_dmd->bandwidth = tune_param->bandwidth;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_MAIN) {
tnr_dmd->diver_sub->state = CXD2880_TNRDMD_STATE_ACTIVE;
tnr_dmd->diver_sub->frequency_khz = tune_param->center_freq_khz;
tnr_dmd->diver_sub->sys = CXD2880_DTV_SYS_DVBT2;
tnr_dmd->diver_sub->bandwidth = tune_param->bandwidth;
}
return 0;
}
int cxd2880_tnrdmd_dvbt2_sleep_setting(struct cxd2880_tnrdmd
*tnr_dmd)
{
int ret;
if (!tnr_dmd)
return -EINVAL;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SUB)
return -EINVAL;
if (tnr_dmd->state != CXD2880_TNRDMD_STATE_SLEEP &&
tnr_dmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
return -EINVAL;
ret = x_sleep_dvbt2_demod_setting(tnr_dmd);
if (ret)
return ret;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_MAIN)
ret = x_sleep_dvbt2_demod_setting(tnr_dmd->diver_sub);
return ret;
}
int cxd2880_tnrdmd_dvbt2_check_demod_lock(struct cxd2880_tnrdmd
*tnr_dmd,
enum
cxd2880_tnrdmd_lock_result
*lock)
{
int ret;
u8 sync_stat = 0;
u8 ts_lock = 0;
u8 unlock_detected = 0;
u8 unlock_detected_sub = 0;
if (!tnr_dmd || !lock)
return -EINVAL;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SUB)
return -EINVAL;
if (tnr_dmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
return -EINVAL;
ret =
cxd2880_tnrdmd_dvbt2_mon_sync_stat(tnr_dmd, &sync_stat, &ts_lock,
&unlock_detected);
if (ret)
return ret;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SINGLE) {
if (sync_stat == 6)
*lock = CXD2880_TNRDMD_LOCK_RESULT_LOCKED;
else if (unlock_detected)
*lock = CXD2880_TNRDMD_LOCK_RESULT_UNLOCKED;
else
*lock = CXD2880_TNRDMD_LOCK_RESULT_NOTDETECT;
return ret;
}
if (sync_stat == 6) {
*lock = CXD2880_TNRDMD_LOCK_RESULT_LOCKED;
return ret;
}
ret =
cxd2880_tnrdmd_dvbt2_mon_sync_stat_sub(tnr_dmd, &sync_stat,
&unlock_detected_sub);
if (ret)
return ret;
if (sync_stat == 6)
*lock = CXD2880_TNRDMD_LOCK_RESULT_LOCKED;
else if (unlock_detected && unlock_detected_sub)
*lock = CXD2880_TNRDMD_LOCK_RESULT_UNLOCKED;
else
*lock = CXD2880_TNRDMD_LOCK_RESULT_NOTDETECT;
return ret;
}
int cxd2880_tnrdmd_dvbt2_check_ts_lock(struct cxd2880_tnrdmd
*tnr_dmd,
enum
cxd2880_tnrdmd_lock_result
*lock)
{
int ret;
u8 sync_stat = 0;
u8 ts_lock = 0;
u8 unlock_detected = 0;
u8 unlock_detected_sub = 0;
if (!tnr_dmd || !lock)
return -EINVAL;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SUB)
return -EINVAL;
if (tnr_dmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
return -EINVAL;
ret =
cxd2880_tnrdmd_dvbt2_mon_sync_stat(tnr_dmd, &sync_stat, &ts_lock,
&unlock_detected);
if (ret)
return ret;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SINGLE) {
if (ts_lock)
*lock = CXD2880_TNRDMD_LOCK_RESULT_LOCKED;
else if (unlock_detected)
*lock = CXD2880_TNRDMD_LOCK_RESULT_UNLOCKED;
else
*lock = CXD2880_TNRDMD_LOCK_RESULT_NOTDETECT;
return ret;
}
if (ts_lock) {
*lock = CXD2880_TNRDMD_LOCK_RESULT_LOCKED;
return ret;
} else if (!unlock_detected) {
*lock = CXD2880_TNRDMD_LOCK_RESULT_NOTDETECT;
return ret;
}
ret =
cxd2880_tnrdmd_dvbt2_mon_sync_stat_sub(tnr_dmd, &sync_stat,
&unlock_detected_sub);
if (ret)
return ret;
if (unlock_detected && unlock_detected_sub)
*lock = CXD2880_TNRDMD_LOCK_RESULT_UNLOCKED;
else
*lock = CXD2880_TNRDMD_LOCK_RESULT_NOTDETECT;
return ret;
}
int cxd2880_tnrdmd_dvbt2_set_plp_cfg(struct cxd2880_tnrdmd
*tnr_dmd, u8 auto_plp,
u8 plp_id)
{
int ret;
if (!tnr_dmd)
return -EINVAL;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SUB)
return -EINVAL;
if (tnr_dmd->state != CXD2880_TNRDMD_STATE_SLEEP &&
tnr_dmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
return -EINVAL;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x23);
if (ret)
return ret;
if (!auto_plp) {
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0xaf, plp_id);
if (ret)
return ret;
}
return tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0xad, auto_plp ? 0x00 : 0x01);
}
int cxd2880_tnrdmd_dvbt2_diver_fef_setting(struct cxd2880_tnrdmd
*tnr_dmd)
{
struct cxd2880_dvbt2_ofdm ofdm;
static const u8 data[] = { 0, 8, 0, 16, 0, 32, 0, 64, 0, 128, 1, 0};
int ret;
if (!tnr_dmd)
return -EINVAL;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SUB)
return -EINVAL;
if (tnr_dmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
return -EINVAL;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SINGLE)
return 0;
ret = cxd2880_tnrdmd_dvbt2_mon_ofdm(tnr_dmd, &ofdm);
if (ret)
return ret;
if (!ofdm.mixed)
return 0;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x1d);
if (ret)
return ret;
return tnr_dmd->io->write_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x47, data, 12);
}
int cxd2880_tnrdmd_dvbt2_check_l1post_valid(struct cxd2880_tnrdmd
*tnr_dmd,
u8 *l1_post_valid)
{
int ret;
u8 data;
if (!tnr_dmd || !l1_post_valid)
return -EINVAL;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SUB)
return -EINVAL;
if (tnr_dmd->state != CXD2880_TNRDMD_STATE_SLEEP &&
tnr_dmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
return -EINVAL;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x0b);
if (ret)
return ret;
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x86, &data, 1);
if (ret)
return ret;
*l1_post_valid = data & 0x01;
return ret;
}