From 55e13167c93896c7cac68d57c27733db6344d9cb Mon Sep 17 00:00:00 2001 From: Yasunari Takiguchi Date: Thu, 18 Jan 2018 03:57:01 -0500 Subject: [PATCH] media: cxd2880: Add DVB-T2 monitor functions Provide monitor functions (DVB-T2) for the Sony CXD2880 DVB-T2/T tuner + demodulator driver. Signed-off-by: Yasunari Takiguchi Signed-off-by: Masayuki Yamamoto Signed-off-by: Hideki Nozawa Signed-off-by: Kota Yonezawa Signed-off-by: Toshihiko Matsumoto Signed-off-by: Satoshi Watanabe Signed-off-by: Mauro Carvalho Chehab --- .../cxd2880/cxd2880_tnrdmd_dvbt2_mon.c | 1878 ++++++++++++++++++++ .../cxd2880/cxd2880_tnrdmd_dvbt2_mon.h | 135 ++ 2 files changed, 2013 insertions(+) create mode 100644 drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt2_mon.c create mode 100644 drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt2_mon.h diff --git a/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt2_mon.c b/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt2_mon.c new file mode 100644 index 0000000..5296cbb --- /dev/null +++ b/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt2_mon.c @@ -0,0 +1,1878 @@ +// 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 "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, ®_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, ®_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, ®_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); +} diff --git a/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt2_mon.h b/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt2_mon.h new file mode 100644 index 0000000..5b7adac --- /dev/null +++ b/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt2_mon.h @@ -0,0 +1,135 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * cxd2880_tnrdmd_dvbt2_mon.h + * Sony CXD2880 DVB-T2/T tuner + demodulator driver + * DVB-T2 monitor interface + * + * Copyright (C) 2016, 2017, 2018 Sony Semiconductor Solutions Corporation + */ + +#ifndef CXD2880_TNRDMD_DVBT2_MON_H +#define CXD2880_TNRDMD_DVBT2_MON_H + +#include "cxd2880_tnrdmd.h" +#include "cxd2880_dvbt2.h" + +int cxd2880_tnrdmd_dvbt2_mon_sync_stat(struct cxd2880_tnrdmd + *tnr_dmd, u8 *sync_stat, + u8 *ts_lock_stat, + u8 *unlock_detected); + +int cxd2880_tnrdmd_dvbt2_mon_sync_stat_sub(struct cxd2880_tnrdmd + *tnr_dmd, + u8 *sync_stat, + u8 *unlock_detected); + +int cxd2880_tnrdmd_dvbt2_mon_carrier_offset(struct cxd2880_tnrdmd + *tnr_dmd, int *offset); + +int cxd2880_tnrdmd_dvbt2_mon_carrier_offset_sub(struct + cxd2880_tnrdmd + *tnr_dmd, + int *offset); + +int cxd2880_tnrdmd_dvbt2_mon_l1_pre(struct cxd2880_tnrdmd *tnr_dmd, + struct cxd2880_dvbt2_l1pre + *l1_pre); + +int cxd2880_tnrdmd_dvbt2_mon_version(struct cxd2880_tnrdmd + *tnr_dmd, + enum cxd2880_dvbt2_version + *ver); + +int cxd2880_tnrdmd_dvbt2_mon_ofdm(struct cxd2880_tnrdmd *tnr_dmd, + struct cxd2880_dvbt2_ofdm *ofdm); + +int cxd2880_tnrdmd_dvbt2_mon_data_plps(struct cxd2880_tnrdmd + *tnr_dmd, u8 *plp_ids, + u8 *num_plps); + +int cxd2880_tnrdmd_dvbt2_mon_active_plp(struct cxd2880_tnrdmd + *tnr_dmd, + enum + cxd2880_dvbt2_plp_btype + type, + struct cxd2880_dvbt2_plp + *plp_info); + +int cxd2880_tnrdmd_dvbt2_mon_data_plp_error(struct cxd2880_tnrdmd + *tnr_dmd, + u8 *plp_error); + +int cxd2880_tnrdmd_dvbt2_mon_l1_change(struct cxd2880_tnrdmd + *tnr_dmd, u8 *l1_change); + +int cxd2880_tnrdmd_dvbt2_mon_l1_post(struct cxd2880_tnrdmd + *tnr_dmd, + struct cxd2880_dvbt2_l1post + *l1_post); + +int cxd2880_tnrdmd_dvbt2_mon_bbheader(struct cxd2880_tnrdmd + *tnr_dmd, + enum cxd2880_dvbt2_plp_btype + type, + struct cxd2880_dvbt2_bbheader + *bbheader); + +int cxd2880_tnrdmd_dvbt2_mon_in_bandb_ts_rate(struct cxd2880_tnrdmd + *tnr_dmd, + enum + cxd2880_dvbt2_plp_btype + type, + u32 *ts_rate_bps); + +int cxd2880_tnrdmd_dvbt2_mon_spectrum_sense(struct cxd2880_tnrdmd + *tnr_dmd, + enum + cxd2880_tnrdmd_spectrum_sense + *sense); + +int cxd2880_tnrdmd_dvbt2_mon_snr(struct cxd2880_tnrdmd *tnr_dmd, + int *snr); + +int cxd2880_tnrdmd_dvbt2_mon_snr_diver(struct cxd2880_tnrdmd + *tnr_dmd, int *snr, + int *snr_main, + int *snr_sub); + +int cxd2880_tnrdmd_dvbt2_mon_packet_error_number(struct + cxd2880_tnrdmd + *tnr_dmd, + u32 *pen); + +int cxd2880_tnrdmd_dvbt2_mon_sampling_offset(struct cxd2880_tnrdmd + *tnr_dmd, int *ppm); + +int cxd2880_tnrdmd_dvbt2_mon_sampling_offset_sub(struct + cxd2880_tnrdmd + *tnr_dmd, + int *ppm); + +int cxd2880_tnrdmd_dvbt2_mon_qam(struct cxd2880_tnrdmd *tnr_dmd, + enum cxd2880_dvbt2_plp_btype type, + enum cxd2880_dvbt2_plp_constell + *qam); + +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); + +int cxd2880_tnrdmd_dvbt2_mon_profile(struct cxd2880_tnrdmd + *tnr_dmd, + enum cxd2880_dvbt2_profile + *profile); + +int cxd2880_tnrdmd_dvbt2_mon_ssi(struct cxd2880_tnrdmd *tnr_dmd, + u8 *ssi); + +int cxd2880_tnrdmd_dvbt2_mon_ssi_sub(struct cxd2880_tnrdmd + *tnr_dmd, u8 *ssi); + +#endif -- 2.7.4