--- /dev/null
+// 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);
+}
projects / platform / kernel / linux-starfive.git / commitdiff