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linuxdebug/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt2_mon.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_mon.c
* Sony CXD2880 DVB-T2/T tuner + demodulator driver
* DVB-T2 monitor functions
*
* Copyright (C) 2016, 2017, 2018 Sony Semiconductor Solutions Corporation
*/
#include "cxd2880_tnrdmd_mon.h"
#include "cxd2880_tnrdmd_dvbt2.h"
#include "cxd2880_tnrdmd_dvbt2_mon.h"
#include <media/dvb_math.h>
static const int ref_dbm_1000[4][8] = {
{-96000, -95000, -94000, -93000, -92000, -92000, -98000, -97000},
{-91000, -89000, -88000, -87000, -86000, -86000, -93000, -92000},
{-86000, -85000, -83000, -82000, -81000, -80000, -89000, -88000},
{-82000, -80000, -78000, -76000, -75000, -74000, -86000, -84000},
};
int cxd2880_tnrdmd_dvbt2_mon_sync_stat(struct cxd2880_tnrdmd
*tnr_dmd, u8 *sync_stat,
u8 *ts_lock_stat,
u8 *unlock_detected)
{
u8 data;
int ret;
if (!tnr_dmd || !sync_stat || !ts_lock_stat || !unlock_detected)
return -EINVAL;
if (tnr_dmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
return -EINVAL;
if (tnr_dmd->sys != CXD2880_DTV_SYS_DVBT2)
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,
0x10, &data, sizeof(data));
if (ret)
return ret;
*sync_stat = data & 0x07;
*ts_lock_stat = ((data & 0x20) ? 1 : 0);
*unlock_detected = ((data & 0x10) ? 1 : 0);
if (*sync_stat == 0x07)
return -EAGAIN;
return 0;
}
int cxd2880_tnrdmd_dvbt2_mon_sync_stat_sub(struct cxd2880_tnrdmd
*tnr_dmd,
u8 *sync_stat,
u8 *unlock_detected)
{
u8 ts_lock_stat = 0;
if (!tnr_dmd || !sync_stat || !unlock_detected)
return -EINVAL;
if (tnr_dmd->diver_mode != CXD2880_TNRDMD_DIVERMODE_MAIN)
return -EINVAL;
return cxd2880_tnrdmd_dvbt2_mon_sync_stat(tnr_dmd->diver_sub,
sync_stat,
&ts_lock_stat,
unlock_detected);
}
int cxd2880_tnrdmd_dvbt2_mon_carrier_offset(struct cxd2880_tnrdmd
*tnr_dmd, int *offset)
{
u8 data[4];
u32 ctl_val = 0;
u8 sync_state = 0;
u8 ts_lock = 0;
u8 unlock_detected = 0;
int ret;
if (!tnr_dmd || !offset)
return -EINVAL;
if (tnr_dmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
return -EINVAL;
if (tnr_dmd->sys != CXD2880_DTV_SYS_DVBT2)
return -EINVAL;
ret = slvt_freeze_reg(tnr_dmd);
if (ret)
return ret;
ret =
cxd2880_tnrdmd_dvbt2_mon_sync_stat(tnr_dmd, &sync_state,
&ts_lock,
&unlock_detected);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (sync_state != 6) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x0b);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x30, data, sizeof(data));
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
slvt_unfreeze_reg(tnr_dmd);
ctl_val =
((data[0] & 0x0f) << 24) | (data[1] << 16) | (data[2] << 8)
| (data[3]);
*offset = cxd2880_convert2s_complement(ctl_val, 28);
switch (tnr_dmd->bandwidth) {
case CXD2880_DTV_BW_1_7_MHZ:
*offset = -1 * ((*offset) / 582);
break;
case CXD2880_DTV_BW_5_MHZ:
case CXD2880_DTV_BW_6_MHZ:
case CXD2880_DTV_BW_7_MHZ:
case CXD2880_DTV_BW_8_MHZ:
*offset = -1 * ((*offset) * tnr_dmd->bandwidth / 940);
break;
default:
return -EINVAL;
}
return 0;
}
int cxd2880_tnrdmd_dvbt2_mon_carrier_offset_sub(struct
cxd2880_tnrdmd
*tnr_dmd,
int *offset)
{
if (!tnr_dmd || !offset)
return -EINVAL;
if (tnr_dmd->diver_mode != CXD2880_TNRDMD_DIVERMODE_MAIN)
return -EINVAL;
return cxd2880_tnrdmd_dvbt2_mon_carrier_offset(tnr_dmd->diver_sub,
offset);
}
int cxd2880_tnrdmd_dvbt2_mon_l1_pre(struct cxd2880_tnrdmd *tnr_dmd,
struct cxd2880_dvbt2_l1pre
*l1_pre)
{
u8 data[37];
u8 sync_state = 0;
u8 ts_lock = 0;
u8 unlock_detected = 0;
u8 version = 0;
enum cxd2880_dvbt2_profile profile;
int ret;
if (!tnr_dmd || !l1_pre)
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->sys != CXD2880_DTV_SYS_DVBT2)
return -EINVAL;
ret = slvt_freeze_reg(tnr_dmd);
if (ret)
return ret;
ret =
cxd2880_tnrdmd_dvbt2_mon_sync_stat(tnr_dmd, &sync_state,
&ts_lock,
&unlock_detected);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (sync_state < 5) {
if (tnr_dmd->diver_mode ==
CXD2880_TNRDMD_DIVERMODE_MAIN) {
ret =
cxd2880_tnrdmd_dvbt2_mon_sync_stat_sub
(tnr_dmd, &sync_state, &unlock_detected);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (sync_state < 5) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
} else {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
}
ret = cxd2880_tnrdmd_dvbt2_mon_profile(tnr_dmd, &profile);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x0b);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x61, data, sizeof(data));
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
slvt_unfreeze_reg(tnr_dmd);
l1_pre->type = (enum cxd2880_dvbt2_l1pre_type)data[0];
l1_pre->bw_ext = data[1] & 0x01;
l1_pre->s1 = (enum cxd2880_dvbt2_s1)(data[2] & 0x07);
l1_pre->s2 = data[3] & 0x0f;
l1_pre->l1_rep = data[4] & 0x01;
l1_pre->gi = (enum cxd2880_dvbt2_guard)(data[5] & 0x07);
l1_pre->papr = (enum cxd2880_dvbt2_papr)(data[6] & 0x0f);
l1_pre->mod =
(enum cxd2880_dvbt2_l1post_constell)(data[7] & 0x0f);
l1_pre->cr = (enum cxd2880_dvbt2_l1post_cr)(data[8] & 0x03);
l1_pre->fec =
(enum cxd2880_dvbt2_l1post_fec_type)(data[9] & 0x03);
l1_pre->l1_post_size = (data[10] & 0x03) << 16;
l1_pre->l1_post_size |= (data[11]) << 8;
l1_pre->l1_post_size |= (data[12]);
l1_pre->l1_post_info_size = (data[13] & 0x03) << 16;
l1_pre->l1_post_info_size |= (data[14]) << 8;
l1_pre->l1_post_info_size |= (data[15]);
l1_pre->pp = (enum cxd2880_dvbt2_pp)(data[16] & 0x0f);
l1_pre->tx_id_availability = data[17];
l1_pre->cell_id = (data[18] << 8);
l1_pre->cell_id |= (data[19]);
l1_pre->network_id = (data[20] << 8);
l1_pre->network_id |= (data[21]);
l1_pre->sys_id = (data[22] << 8);
l1_pre->sys_id |= (data[23]);
l1_pre->num_frames = data[24];
l1_pre->num_symbols = (data[25] & 0x0f) << 8;
l1_pre->num_symbols |= data[26];
l1_pre->regen = data[27] & 0x07;
l1_pre->post_ext = data[28] & 0x01;
l1_pre->num_rf_freqs = data[29] & 0x07;
l1_pre->rf_idx = data[30] & 0x07;
version = (data[31] & 0x03) << 2;
version |= (data[32] & 0xc0) >> 6;
l1_pre->t2_version = (enum cxd2880_dvbt2_version)version;
l1_pre->l1_post_scrambled = (data[32] & 0x20) >> 5;
l1_pre->t2_base_lite = (data[32] & 0x10) >> 4;
l1_pre->crc32 = (data[33] << 24);
l1_pre->crc32 |= (data[34] << 16);
l1_pre->crc32 |= (data[35] << 8);
l1_pre->crc32 |= data[36];
if (profile == CXD2880_DVBT2_PROFILE_BASE) {
switch ((l1_pre->s2 >> 1)) {
case CXD2880_DVBT2_BASE_S2_M1K_G_ANY:
l1_pre->fft_mode = CXD2880_DVBT2_M1K;
break;
case CXD2880_DVBT2_BASE_S2_M2K_G_ANY:
l1_pre->fft_mode = CXD2880_DVBT2_M2K;
break;
case CXD2880_DVBT2_BASE_S2_M4K_G_ANY:
l1_pre->fft_mode = CXD2880_DVBT2_M4K;
break;
case CXD2880_DVBT2_BASE_S2_M8K_G_DVBT:
case CXD2880_DVBT2_BASE_S2_M8K_G_DVBT2:
l1_pre->fft_mode = CXD2880_DVBT2_M8K;
break;
case CXD2880_DVBT2_BASE_S2_M16K_G_ANY:
l1_pre->fft_mode = CXD2880_DVBT2_M16K;
break;
case CXD2880_DVBT2_BASE_S2_M32K_G_DVBT:
case CXD2880_DVBT2_BASE_S2_M32K_G_DVBT2:
l1_pre->fft_mode = CXD2880_DVBT2_M32K;
break;
default:
return -EAGAIN;
}
} else if (profile == CXD2880_DVBT2_PROFILE_LITE) {
switch ((l1_pre->s2 >> 1)) {
case CXD2880_DVBT2_LITE_S2_M2K_G_ANY:
l1_pre->fft_mode = CXD2880_DVBT2_M2K;
break;
case CXD2880_DVBT2_LITE_S2_M4K_G_ANY:
l1_pre->fft_mode = CXD2880_DVBT2_M4K;
break;
case CXD2880_DVBT2_LITE_S2_M8K_G_DVBT:
case CXD2880_DVBT2_LITE_S2_M8K_G_DVBT2:
l1_pre->fft_mode = CXD2880_DVBT2_M8K;
break;
case CXD2880_DVBT2_LITE_S2_M16K_G_DVBT:
case CXD2880_DVBT2_LITE_S2_M16K_G_DVBT2:
l1_pre->fft_mode = CXD2880_DVBT2_M16K;
break;
default:
return -EAGAIN;
}
} else {
return -EAGAIN;
}
l1_pre->mixed = l1_pre->s2 & 0x01;
return ret;
}
int cxd2880_tnrdmd_dvbt2_mon_version(struct cxd2880_tnrdmd
*tnr_dmd,
enum cxd2880_dvbt2_version
*ver)
{
u8 data[2];
u8 sync_state = 0;
u8 ts_lock = 0;
u8 unlock_detected = 0;
u8 version = 0;
int ret;
if (!tnr_dmd || !ver)
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->sys != CXD2880_DTV_SYS_DVBT2)
return -EINVAL;
ret = slvt_freeze_reg(tnr_dmd);
if (ret)
return ret;
ret =
cxd2880_tnrdmd_dvbt2_mon_sync_stat(tnr_dmd, &sync_state,
&ts_lock,
&unlock_detected);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (sync_state < 5) {
if (tnr_dmd->diver_mode ==
CXD2880_TNRDMD_DIVERMODE_MAIN) {
ret =
cxd2880_tnrdmd_dvbt2_mon_sync_stat_sub
(tnr_dmd, &sync_state, &unlock_detected);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (sync_state < 5) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
} else {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
}
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x0b);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x80, data, sizeof(data));
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
slvt_unfreeze_reg(tnr_dmd);
version = ((data[0] & 0x03) << 2);
version |= ((data[1] & 0xc0) >> 6);
*ver = (enum cxd2880_dvbt2_version)version;
return ret;
}
int cxd2880_tnrdmd_dvbt2_mon_ofdm(struct cxd2880_tnrdmd *tnr_dmd,
struct cxd2880_dvbt2_ofdm *ofdm)
{
u8 data[5];
u8 sync_state = 0;
u8 ts_lock = 0;
u8 unlock_detected = 0;
int ret;
if (!tnr_dmd || !ofdm)
return -EINVAL;
if (tnr_dmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
return -EINVAL;
if (tnr_dmd->sys != CXD2880_DTV_SYS_DVBT2)
return -EINVAL;
ret = slvt_freeze_reg(tnr_dmd);
if (ret)
return ret;
ret =
cxd2880_tnrdmd_dvbt2_mon_sync_stat(tnr_dmd, &sync_state,
&ts_lock,
&unlock_detected);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (sync_state != 6) {
slvt_unfreeze_reg(tnr_dmd);
ret = -EAGAIN;
if (tnr_dmd->diver_mode ==
CXD2880_TNRDMD_DIVERMODE_MAIN)
ret =
cxd2880_tnrdmd_dvbt2_mon_ofdm(tnr_dmd->diver_sub,
ofdm);
return ret;
}
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x0b);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x1d, data, sizeof(data));
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
slvt_unfreeze_reg(tnr_dmd);
ofdm->mixed = ((data[0] & 0x20) ? 1 : 0);
ofdm->is_miso = ((data[0] & 0x10) >> 4);
ofdm->mode = (enum cxd2880_dvbt2_mode)(data[0] & 0x07);
ofdm->gi = (enum cxd2880_dvbt2_guard)((data[1] & 0x70) >> 4);
ofdm->pp = (enum cxd2880_dvbt2_pp)(data[1] & 0x07);
ofdm->bw_ext = (data[2] & 0x10) >> 4;
ofdm->papr = (enum cxd2880_dvbt2_papr)(data[2] & 0x0f);
ofdm->num_symbols = (data[3] << 8) | data[4];
return 0;
}
int cxd2880_tnrdmd_dvbt2_mon_data_plps(struct cxd2880_tnrdmd
*tnr_dmd, u8 *plp_ids,
u8 *num_plps)
{
u8 l1_post_ok = 0;
int ret;
if (!tnr_dmd || !num_plps)
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->sys != CXD2880_DTV_SYS_DVBT2)
return -EINVAL;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x0b);
if (ret)
return ret;
ret = slvt_freeze_reg(tnr_dmd);
if (ret)
return ret;
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x86, &l1_post_ok, 1);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (!(l1_post_ok & 0x01)) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0xc1, num_plps, 1);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (*num_plps == 0) {
slvt_unfreeze_reg(tnr_dmd);
return -EINVAL;
}
if (!plp_ids) {
slvt_unfreeze_reg(tnr_dmd);
return 0;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0xc2,
plp_ids,
((*num_plps > 62) ?
62 : *num_plps));
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (*num_plps > 62) {
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x0c);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x10, plp_ids + 62,
*num_plps - 62);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
}
slvt_unfreeze_reg(tnr_dmd);
return 0;
}
int cxd2880_tnrdmd_dvbt2_mon_active_plp(struct cxd2880_tnrdmd
*tnr_dmd,
enum
cxd2880_dvbt2_plp_btype
type,
struct cxd2880_dvbt2_plp
*plp_info)
{
u8 data[20];
u8 addr = 0;
u8 index = 0;
u8 l1_post_ok = 0;
int ret;
if (!tnr_dmd || !plp_info)
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->sys != CXD2880_DTV_SYS_DVBT2)
return -EINVAL;
ret = slvt_freeze_reg(tnr_dmd);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x0b);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x86, &l1_post_ok, 1);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (!l1_post_ok) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
if (type == CXD2880_DVBT2_PLP_COMMON)
addr = 0xa9;
else
addr = 0x96;
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
addr, data, sizeof(data));
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
slvt_unfreeze_reg(tnr_dmd);
if (type == CXD2880_DVBT2_PLP_COMMON && !data[13])
return -EAGAIN;
plp_info->id = data[index++];
plp_info->type =
(enum cxd2880_dvbt2_plp_type)(data[index++] & 0x07);
plp_info->payload =
(enum cxd2880_dvbt2_plp_payload)(data[index++] & 0x1f);
plp_info->ff = data[index++] & 0x01;
plp_info->first_rf_idx = data[index++] & 0x07;
plp_info->first_frm_idx = data[index++];
plp_info->group_id = data[index++];
plp_info->plp_cr =
(enum cxd2880_dvbt2_plp_code_rate)(data[index++] & 0x07);
plp_info->constell =
(enum cxd2880_dvbt2_plp_constell)(data[index++] & 0x07);
plp_info->rot = data[index++] & 0x01;
plp_info->fec =
(enum cxd2880_dvbt2_plp_fec)(data[index++] & 0x03);
plp_info->num_blocks_max = (data[index++] & 0x03) << 8;
plp_info->num_blocks_max |= data[index++];
plp_info->frm_int = data[index++];
plp_info->til_len = data[index++];
plp_info->til_type = data[index++] & 0x01;
plp_info->in_band_a_flag = data[index++] & 0x01;
plp_info->rsvd = data[index++] << 8;
plp_info->rsvd |= data[index++];
plp_info->in_band_b_flag =
(plp_info->rsvd & 0x8000) >> 15;
plp_info->plp_mode =
(enum cxd2880_dvbt2_plp_mode)((plp_info->rsvd & 0x000c) >> 2);
plp_info->static_flag = (plp_info->rsvd & 0x0002) >> 1;
plp_info->static_padding_flag = plp_info->rsvd & 0x0001;
plp_info->rsvd = (plp_info->rsvd & 0x7ff0) >> 4;
return 0;
}
int cxd2880_tnrdmd_dvbt2_mon_data_plp_error(struct cxd2880_tnrdmd
*tnr_dmd,
u8 *plp_error)
{
u8 data;
int ret;
if (!tnr_dmd || !plp_error)
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->sys != CXD2880_DTV_SYS_DVBT2)
return -EINVAL;
ret = slvt_freeze_reg(tnr_dmd);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x0b);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x86, &data, 1);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if ((data & 0x01) == 0x00) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0xc0, &data, 1);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
slvt_unfreeze_reg(tnr_dmd);
*plp_error = data & 0x01;
return 0;
}
int cxd2880_tnrdmd_dvbt2_mon_l1_change(struct cxd2880_tnrdmd
*tnr_dmd, u8 *l1_change)
{
u8 data;
u8 sync_state = 0;
u8 ts_lock = 0;
u8 unlock_detected = 0;
int ret;
if (!tnr_dmd || !l1_change)
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->sys != CXD2880_DTV_SYS_DVBT2)
return -EINVAL;
ret = slvt_freeze_reg(tnr_dmd);
if (ret)
return ret;
ret =
cxd2880_tnrdmd_dvbt2_mon_sync_stat(tnr_dmd, &sync_state,
&ts_lock,
&unlock_detected);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (sync_state < 5) {
if (tnr_dmd->diver_mode ==
CXD2880_TNRDMD_DIVERMODE_MAIN) {
ret =
cxd2880_tnrdmd_dvbt2_mon_sync_stat_sub
(tnr_dmd, &sync_state, &unlock_detected);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (sync_state < 5) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
} else {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
}
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x0b);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x5f, &data, sizeof(data));
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
*l1_change = data & 0x01;
if (*l1_change) {
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x22);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x16, 0x01);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
}
slvt_unfreeze_reg(tnr_dmd);
return 0;
}
int cxd2880_tnrdmd_dvbt2_mon_l1_post(struct cxd2880_tnrdmd
*tnr_dmd,
struct cxd2880_dvbt2_l1post
*l1_post)
{
u8 data[16];
int ret;
if (!tnr_dmd || !l1_post)
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->sys != CXD2880_DTV_SYS_DVBT2)
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, sizeof(data));
if (ret)
return ret;
if (!(data[0] & 0x01))
return -EAGAIN;
l1_post->sub_slices_per_frame = (data[1] & 0x7f) << 8;
l1_post->sub_slices_per_frame |= data[2];
l1_post->num_plps = data[3];
l1_post->num_aux = data[4] & 0x0f;
l1_post->aux_cfg_rfu = data[5];
l1_post->rf_idx = data[6] & 0x07;
l1_post->freq = data[7] << 24;
l1_post->freq |= data[8] << 16;
l1_post->freq |= data[9] << 8;
l1_post->freq |= data[10];
l1_post->fef_type = data[11] & 0x0f;
l1_post->fef_length = data[12] << 16;
l1_post->fef_length |= data[13] << 8;
l1_post->fef_length |= data[14];
l1_post->fef_intvl = data[15];
return 0;
}
int cxd2880_tnrdmd_dvbt2_mon_bbheader(struct cxd2880_tnrdmd
*tnr_dmd,
enum cxd2880_dvbt2_plp_btype
type,
struct cxd2880_dvbt2_bbheader
*bbheader)
{
u8 sync_state = 0;
u8 ts_lock = 0;
u8 unlock_detected = 0;
u8 data[14];
u8 addr = 0;
int ret;
if (!tnr_dmd || !bbheader)
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->sys != CXD2880_DTV_SYS_DVBT2)
return -EINVAL;
ret = slvt_freeze_reg(tnr_dmd);
if (ret)
return ret;
ret =
cxd2880_tnrdmd_dvbt2_mon_sync_stat(tnr_dmd, &sync_state,
&ts_lock,
&unlock_detected);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (!ts_lock) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x0b);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (type == CXD2880_DVBT2_PLP_COMMON) {
u8 l1_post_ok;
u8 data;
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x86, &l1_post_ok, 1);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (!(l1_post_ok & 0x01)) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0xb6, &data, 1);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (data == 0) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
}
if (type == CXD2880_DVBT2_PLP_COMMON)
addr = 0x51;
else
addr = 0x42;
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
addr, data, sizeof(data));
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
slvt_unfreeze_reg(tnr_dmd);
bbheader->stream_input =
(enum cxd2880_dvbt2_stream)((data[0] >> 6) & 0x03);
bbheader->is_single_input_stream = (data[0] >> 5) & 0x01;
bbheader->is_constant_coding_modulation =
(data[0] >> 4) & 0x01;
bbheader->issy_indicator = (data[0] >> 3) & 0x01;
bbheader->null_packet_deletion = (data[0] >> 2) & 0x01;
bbheader->ext = data[0] & 0x03;
bbheader->input_stream_identifier = data[1];
bbheader->plp_mode =
(data[3] & 0x01) ? CXD2880_DVBT2_PLP_MODE_HEM :
CXD2880_DVBT2_PLP_MODE_NM;
bbheader->data_field_length = (data[4] << 8) | data[5];
if (bbheader->plp_mode == CXD2880_DVBT2_PLP_MODE_NM) {
bbheader->user_packet_length =
(data[6] << 8) | data[7];
bbheader->sync_byte = data[8];
bbheader->issy = 0;
} else {
bbheader->user_packet_length = 0;
bbheader->sync_byte = 0;
bbheader->issy =
(data[11] << 16) | (data[12] << 8) | data[13];
}
return 0;
}
int cxd2880_tnrdmd_dvbt2_mon_in_bandb_ts_rate(struct cxd2880_tnrdmd
*tnr_dmd,
enum
cxd2880_dvbt2_plp_btype
type,
u32 *ts_rate_bps)
{
u8 sync_state = 0;
u8 ts_lock = 0;
u8 unlock_detected = 0;
u8 l1_post_ok = 0;
u8 data[4];
u8 addr = 0;
int ret;
if (!tnr_dmd || !ts_rate_bps)
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->sys != CXD2880_DTV_SYS_DVBT2)
return -EINVAL;
ret = slvt_freeze_reg(tnr_dmd);
if (ret)
return ret;
ret =
cxd2880_tnrdmd_dvbt2_mon_sync_stat(tnr_dmd, &sync_state,
&ts_lock,
&unlock_detected);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (!ts_lock) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x0b);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x86, &l1_post_ok, 1);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (!(l1_post_ok & 0x01)) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
if (type == CXD2880_DVBT2_PLP_COMMON)
addr = 0xba;
else
addr = 0xa7;
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
addr, &data[0], 1);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if ((data[0] & 0x80) == 0x00) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x25);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (type == CXD2880_DVBT2_PLP_COMMON)
addr = 0xa6;
else
addr = 0xaa;
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
addr, &data[0], 4);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
*ts_rate_bps = ((data[0] & 0x07) << 24) | (data[1] << 16) |
(data[2] << 8) | data[3];
return 0;
}
int cxd2880_tnrdmd_dvbt2_mon_spectrum_sense(struct cxd2880_tnrdmd
*tnr_dmd,
enum
cxd2880_tnrdmd_spectrum_sense
*sense)
{
u8 sync_state = 0;
u8 ts_lock = 0;
u8 early_unlock = 0;
u8 data = 0;
int ret;
if (!tnr_dmd || !sense)
return -EINVAL;
if (tnr_dmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
return -EINVAL;
if (tnr_dmd->sys != CXD2880_DTV_SYS_DVBT2)
return -EINVAL;
ret = slvt_freeze_reg(tnr_dmd);
if (ret)
return ret;
ret =
cxd2880_tnrdmd_dvbt2_mon_sync_stat(tnr_dmd, &sync_state, &ts_lock,
&early_unlock);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (sync_state != 6) {
slvt_unfreeze_reg(tnr_dmd);
ret = -EAGAIN;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_MAIN)
ret =
cxd2880_tnrdmd_dvbt2_mon_spectrum_sense(tnr_dmd->diver_sub,
sense);
return ret;
}
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x0b);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x2f, &data, sizeof(data));
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
slvt_unfreeze_reg(tnr_dmd);
*sense =
(data & 0x01) ? CXD2880_TNRDMD_SPECTRUM_INV :
CXD2880_TNRDMD_SPECTRUM_NORMAL;
return 0;
}
static int dvbt2_read_snr_reg(struct cxd2880_tnrdmd *tnr_dmd,
u16 *reg_value)
{
u8 sync_state = 0;
u8 ts_lock = 0;
u8 unlock_detected = 0;
u8 data[2];
int ret;
if (!tnr_dmd || !reg_value)
return -EINVAL;
ret = slvt_freeze_reg(tnr_dmd);
if (ret)
return ret;
ret =
cxd2880_tnrdmd_dvbt2_mon_sync_stat(tnr_dmd, &sync_state,
&ts_lock,
&unlock_detected);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (sync_state != 6) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x0b);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x13, data, sizeof(data));
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
slvt_unfreeze_reg(tnr_dmd);
*reg_value = (data[0] << 8) | data[1];
return ret;
}
static int dvbt2_calc_snr(struct cxd2880_tnrdmd *tnr_dmd,
u32 reg_value, int *snr)
{
if (!tnr_dmd || !snr)
return -EINVAL;
if (reg_value == 0)
return -EAGAIN;
if (reg_value > 10876)
reg_value = 10876;
*snr = intlog10(reg_value) - intlog10(12600 - reg_value);
*snr = (*snr + 839) / 1678 + 32000;
return 0;
}
int cxd2880_tnrdmd_dvbt2_mon_snr(struct cxd2880_tnrdmd *tnr_dmd,
int *snr)
{
u16 reg_value = 0;
int ret;
if (!tnr_dmd || !snr)
return -EINVAL;
*snr = -1000 * 1000;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SUB)
return -EINVAL;
if (tnr_dmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
return -EINVAL;
if (tnr_dmd->sys != CXD2880_DTV_SYS_DVBT2)
return -EINVAL;
if (tnr_dmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SINGLE) {
ret = dvbt2_read_snr_reg(tnr_dmd, &reg_value);
if (ret)
return ret;
ret = dvbt2_calc_snr(tnr_dmd, reg_value, snr);
} else {
int snr_main = 0;
int snr_sub = 0;
ret =
cxd2880_tnrdmd_dvbt2_mon_snr_diver(tnr_dmd, snr, &snr_main,
&snr_sub);
}
return ret;
}
int cxd2880_tnrdmd_dvbt2_mon_snr_diver(struct cxd2880_tnrdmd
*tnr_dmd, int *snr,
int *snr_main, int *snr_sub)
{
u16 reg_value = 0;
u32 reg_value_sum = 0;
int ret;
if (!tnr_dmd || !snr || !snr_main || !snr_sub)
return -EINVAL;
*snr = -1000 * 1000;
*snr_main = -1000 * 1000;
*snr_sub = -1000 * 1000;
if (tnr_dmd->diver_mode != CXD2880_TNRDMD_DIVERMODE_MAIN)
return -EINVAL;
if (tnr_dmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
return -EINVAL;
if (tnr_dmd->sys != CXD2880_DTV_SYS_DVBT2)
return -EINVAL;
ret = dvbt2_read_snr_reg(tnr_dmd, &reg_value);
if (!ret) {
ret = dvbt2_calc_snr(tnr_dmd, reg_value, snr_main);
if (ret)
reg_value = 0;
} else if (ret == -EAGAIN) {
reg_value = 0;
} else {
return ret;
}
reg_value_sum += reg_value;
ret = dvbt2_read_snr_reg(tnr_dmd->diver_sub, &reg_value);
if (!ret) {
ret = dvbt2_calc_snr(tnr_dmd->diver_sub, reg_value, snr_sub);
if (ret)
reg_value = 0;
} else if (ret == -EAGAIN) {
reg_value = 0;
} else {
return ret;
}
reg_value_sum += reg_value;
return dvbt2_calc_snr(tnr_dmd, reg_value_sum, snr);
}
int cxd2880_tnrdmd_dvbt2_mon_packet_error_number(struct
cxd2880_tnrdmd
*tnr_dmd,
u32 *pen)
{
int ret;
u8 data[3];
if (!tnr_dmd || !pen)
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->sys != CXD2880_DTV_SYS_DVBT2)
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,
0x39, data, sizeof(data));
if (ret)
return ret;
if (!(data[0] & 0x01))
return -EAGAIN;
*pen = ((data[1] << 8) | data[2]);
return ret;
}
int cxd2880_tnrdmd_dvbt2_mon_sampling_offset(struct cxd2880_tnrdmd
*tnr_dmd, int *ppm)
{
u8 ctl_val_reg[5];
u8 nominal_rate_reg[5];
u32 trl_ctl_val = 0;
u32 trcg_nominal_rate = 0;
int num;
int den;
int ret;
u8 sync_state = 0;
u8 ts_lock = 0;
u8 unlock_detected = 0;
s8 diff_upper = 0;
if (!tnr_dmd || !ppm)
return -EINVAL;
if (tnr_dmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
return -EINVAL;
if (tnr_dmd->sys != CXD2880_DTV_SYS_DVBT2)
return -EINVAL;
ret = slvt_freeze_reg(tnr_dmd);
if (ret)
return ret;
ret =
cxd2880_tnrdmd_dvbt2_mon_sync_stat(tnr_dmd, &sync_state,
&ts_lock,
&unlock_detected);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (sync_state != 6) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x0b);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x34, ctl_val_reg,
sizeof(ctl_val_reg));
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x04);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x10, nominal_rate_reg,
sizeof(nominal_rate_reg));
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
slvt_unfreeze_reg(tnr_dmd);
diff_upper =
(ctl_val_reg[0] & 0x7f) - (nominal_rate_reg[0] & 0x7f);
if (diff_upper < -1 || diff_upper > 1)
return -EAGAIN;
trl_ctl_val = ctl_val_reg[1] << 24;
trl_ctl_val |= ctl_val_reg[2] << 16;
trl_ctl_val |= ctl_val_reg[3] << 8;
trl_ctl_val |= ctl_val_reg[4];
trcg_nominal_rate = nominal_rate_reg[1] << 24;
trcg_nominal_rate |= nominal_rate_reg[2] << 16;
trcg_nominal_rate |= nominal_rate_reg[3] << 8;
trcg_nominal_rate |= nominal_rate_reg[4];
trl_ctl_val >>= 1;
trcg_nominal_rate >>= 1;
if (diff_upper == 1)
num =
(int)((trl_ctl_val + 0x80000000u) -
trcg_nominal_rate);
else if (diff_upper == -1)
num =
-(int)((trcg_nominal_rate + 0x80000000u) -
trl_ctl_val);
else
num = (int)(trl_ctl_val - trcg_nominal_rate);
den = (nominal_rate_reg[0] & 0x7f) << 24;
den |= nominal_rate_reg[1] << 16;
den |= nominal_rate_reg[2] << 8;
den |= nominal_rate_reg[3];
den = (den + (390625 / 2)) / 390625;
den >>= 1;
if (num >= 0)
*ppm = (num + (den / 2)) / den;
else
*ppm = (num - (den / 2)) / den;
return 0;
}
int cxd2880_tnrdmd_dvbt2_mon_sampling_offset_sub(struct
cxd2880_tnrdmd
*tnr_dmd,
int *ppm)
{
if (!tnr_dmd || !ppm)
return -EINVAL;
if (tnr_dmd->diver_mode != CXD2880_TNRDMD_DIVERMODE_MAIN)
return -EINVAL;
return cxd2880_tnrdmd_dvbt2_mon_sampling_offset(tnr_dmd->diver_sub,
ppm);
}
int cxd2880_tnrdmd_dvbt2_mon_qam(struct cxd2880_tnrdmd *tnr_dmd,
enum cxd2880_dvbt2_plp_btype type,
enum cxd2880_dvbt2_plp_constell *qam)
{
u8 data;
u8 l1_post_ok = 0;
int ret;
if (!tnr_dmd || !qam)
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->sys != CXD2880_DTV_SYS_DVBT2)
return -EINVAL;
ret = slvt_freeze_reg(tnr_dmd);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x0b);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x86, &l1_post_ok, 1);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (!(l1_post_ok & 0x01)) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
if (type == CXD2880_DVBT2_PLP_COMMON) {
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0xb6, &data, 1);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (data == 0) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0xb1, &data, 1);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
} else {
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x9e, &data, 1);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
}
slvt_unfreeze_reg(tnr_dmd);
*qam = (enum cxd2880_dvbt2_plp_constell)(data & 0x07);
return ret;
}
int cxd2880_tnrdmd_dvbt2_mon_code_rate(struct cxd2880_tnrdmd
*tnr_dmd,
enum cxd2880_dvbt2_plp_btype
type,
enum
cxd2880_dvbt2_plp_code_rate
*code_rate)
{
u8 data;
u8 l1_post_ok = 0;
int ret;
if (!tnr_dmd || !code_rate)
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->sys != CXD2880_DTV_SYS_DVBT2)
return -EINVAL;
ret = slvt_freeze_reg(tnr_dmd);
if (ret)
return ret;
ret = tnr_dmd->io->write_reg(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x00, 0x0b);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x86, &l1_post_ok, 1);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (!(l1_post_ok & 0x01)) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
if (type == CXD2880_DVBT2_PLP_COMMON) {
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0xb6, &data, 1);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
if (data == 0) {
slvt_unfreeze_reg(tnr_dmd);
return -EAGAIN;
}
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0xb0, &data, 1);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
} else {
ret = tnr_dmd->io->read_regs(tnr_dmd->io,
CXD2880_IO_TGT_DMD,
0x9d, &data, 1);
if (ret) {
slvt_unfreeze_reg(tnr_dmd);
return ret;
}
}
slvt_unfreeze_reg(tnr_dmd);
*code_rate = (enum cxd2880_dvbt2_plp_code_rate)(data & 0x07);
return ret;
}
int cxd2880_tnrdmd_dvbt2_mon_profile(struct cxd2880_tnrdmd
*tnr_dmd,
enum cxd2880_dvbt2_profile
*profile)
{
u8 data;
int ret;
if (!tnr_dmd || !profile)
return -EINVAL;
if (tnr_dmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
return -EINVAL;
if (tnr_dmd->sys != CXD2880_DTV_SYS_DVBT2)
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,
0x22, &data, sizeof(data));
if (ret)
return ret;
if (data & 0x02) {
if (data & 0x01)
*profile = CXD2880_DVBT2_PROFILE_LITE;
else
*profile = CXD2880_DVBT2_PROFILE_BASE;
} else {
ret = -EAGAIN;
if (tnr_dmd->diver_mode ==
CXD2880_TNRDMD_DIVERMODE_MAIN)
ret =
cxd2880_tnrdmd_dvbt2_mon_profile(tnr_dmd->diver_sub,
profile);
return ret;
}
return 0;
}
static int dvbt2_calc_ssi(struct cxd2880_tnrdmd *tnr_dmd,
int rf_lvl, u8 *ssi)
{
enum cxd2880_dvbt2_plp_constell qam;
enum cxd2880_dvbt2_plp_code_rate code_rate;
int prel;
int temp_ssi = 0;
int ret;
if (!tnr_dmd || !ssi)
return -EINVAL;
ret =
cxd2880_tnrdmd_dvbt2_mon_qam(tnr_dmd, CXD2880_DVBT2_PLP_DATA, &qam);
if (ret)
return ret;
ret =
cxd2880_tnrdmd_dvbt2_mon_code_rate(tnr_dmd, CXD2880_DVBT2_PLP_DATA,
&code_rate);
if (ret)
return ret;
if (code_rate > CXD2880_DVBT2_R2_5 || qam > CXD2880_DVBT2_QAM256)
return -EINVAL;
prel = rf_lvl - ref_dbm_1000[qam][code_rate];
if (prel < -15000)
temp_ssi = 0;
else if (prel < 0)
temp_ssi = ((2 * (prel + 15000)) + 1500) / 3000;
else if (prel < 20000)
temp_ssi = (((4 * prel) + 500) / 1000) + 10;
else if (prel < 35000)
temp_ssi = (((2 * (prel - 20000)) + 1500) / 3000) + 90;
else
temp_ssi = 100;
*ssi = (temp_ssi > 100) ? 100 : (u8)temp_ssi;
return ret;
}
int cxd2880_tnrdmd_dvbt2_mon_ssi(struct cxd2880_tnrdmd *tnr_dmd,
u8 *ssi)
{
int rf_lvl = 0;
int ret;
if (!tnr_dmd || !ssi)
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->sys != CXD2880_DTV_SYS_DVBT2)
return -EINVAL;
ret = cxd2880_tnrdmd_mon_rf_lvl(tnr_dmd, &rf_lvl);
if (ret)
return ret;
return dvbt2_calc_ssi(tnr_dmd, rf_lvl, ssi);
}
int cxd2880_tnrdmd_dvbt2_mon_ssi_sub(struct cxd2880_tnrdmd
*tnr_dmd, u8 *ssi)
{
int rf_lvl = 0;
int ret;
if (!tnr_dmd || !ssi)
return -EINVAL;
if (tnr_dmd->diver_mode != CXD2880_TNRDMD_DIVERMODE_MAIN)
return -EINVAL;
if (tnr_dmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
return -EINVAL;
if (tnr_dmd->sys != CXD2880_DTV_SYS_DVBT2)
return -EINVAL;
ret = cxd2880_tnrdmd_mon_rf_lvl(tnr_dmd->diver_sub, &rf_lvl);
if (ret)
return ret;
return dvbt2_calc_ssi(tnr_dmd, rf_lvl, ssi);
}