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Please, take a look at the cover letter for more details). Signed-off-by: Viktor Barna --- drivers/net/wireless/celeno/cl8k/calib.c | 2266 ++++++++++++++++++++++ 1 file changed, 2266 insertions(+) create mode 100644 drivers/net/wireless/celeno/cl8k/calib.c diff --git a/drivers/net/wireless/celeno/cl8k/calib.c b/drivers/net/wireless/celeno/cl8k/calib.c new file mode 100644 index 000000000000..93fe6a2e00ee --- /dev/null +++ b/drivers/net/wireless/celeno/cl8k/calib.c @@ -0,0 +1,2266 @@ +// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause +/* Copyright(c) 2019-2022, Celeno Communications Ltd. */ + +#include + +#include "reg/reg_defs.h" +#include "chip.h" +#include "config.h" +#include "radio.h" +#include "e2p.h" +#include "rfic.h" +#include "debug.h" +#include "utils.h" +#include "calib.h" + +static void cl_calib_common_init_cfm(struct cl_iq_dcoc_data *iq_dcoc_data) +{ + int i; + + for (i = 0; i < CALIB_CFM_MAX; i++) + iq_dcoc_data->dcoc_iq_cfm[i].status = CALIB_FAIL; +} + +void cl_calib_common_fill_phy_data(struct cl_hw *cl_hw, struct cl_iq_dcoc_info *iq_dcoc_db, + u8 flags) +{ + struct cl_chip *chip = cl_hw->chip; + u8 bw = cl_hw->bw; + u8 channel_idx = cl_calib_dcoc_channel_bw_to_idx(cl_hw, cl_hw->channel, bw); + u8 tcv_idx = cl_hw->tcv_idx; + u8 sx = cl_hw->sx_idx; + + if (flags & SET_PHY_DATA_FLAGS_DCOC) + cl_calib_dcoc_fill_data(cl_hw, iq_dcoc_db); + + if (flags & SET_PHY_DATA_FLAGS_IQ_TX_LOLC) + cl_calib_iq_lolc_fill_data(cl_hw, iq_dcoc_db->iq_tx_lolc); + + if (flags & SET_PHY_DATA_FLAGS_IQ_TX) + cl_calib_iq_fill_data(cl_hw, iq_dcoc_db->iq_tx, + chip->calib_db.iq_tx[tcv_idx][channel_idx][bw][sx]); + + if (flags & SET_PHY_DATA_FLAGS_IQ_RX) + cl_calib_iq_fill_data(cl_hw, iq_dcoc_db->iq_rx, + chip->calib_db.iq_rx[tcv_idx][channel_idx][bw][sx]); +} + +int cl_calib_common_tables_alloc(struct cl_hw *cl_hw) +{ + struct cl_iq_dcoc_data *buf = NULL; + u32 len = sizeof(struct cl_iq_dcoc_data); + dma_addr_t phys_dma_addr; + + buf = dma_alloc_coherent(cl_hw->chip->dev, len, &phys_dma_addr, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + cl_hw->iq_dcoc_data_info.iq_dcoc_data = buf; + cl_hw->iq_dcoc_data_info.dma_addr = phys_dma_addr; + + cl_calib_common_init_cfm(cl_hw->iq_dcoc_data_info.iq_dcoc_data); + return 0; +} + +void cl_calib_common_tables_free(struct cl_hw *cl_hw) +{ + struct cl_iq_dcoc_data_info *iq_dcoc_data_info = &cl_hw->iq_dcoc_data_info; + u32 len = sizeof(struct cl_iq_dcoc_data); + dma_addr_t phys_dma_addr = iq_dcoc_data_info->dma_addr; + + if (!iq_dcoc_data_info->iq_dcoc_data) + return; + + dma_free_coherent(cl_hw->chip->dev, len, (void *)iq_dcoc_data_info->iq_dcoc_data, + phys_dma_addr); + iq_dcoc_data_info->iq_dcoc_data = NULL; +} + +static void _cl_calib_common_start_work(struct work_struct *ws) +{ + struct cl_calib_work *calib_work = container_of(ws, struct cl_calib_work, ws); + struct cl_hw *cl_hw = calib_work->cl_hw; + struct cl_hw *cl_hw_other = cl_hw_other_tcv(cl_hw); + struct cl_chip *chip = cl_hw->chip; + + cl_calib_iq_init_calibration(cl_hw); + + if (cl_chip_is_both_enabled(chip)) + cl_calib_iq_init_calibration(cl_hw_other); + + /* Start cl_radio_on after calibration ends */ + cl_radio_on_start(cl_hw); + + if (cl_chip_is_both_enabled(chip)) + cl_radio_on_start(cl_hw_other); + + kfree(calib_work); +} + +void cl_calib_common_start_work(struct cl_hw *cl_hw) +{ + struct cl_calib_work *calib_work = kzalloc(sizeof(*calib_work), GFP_ATOMIC); + + if (!calib_work) + return; + + calib_work->cl_hw = cl_hw; + INIT_WORK(&calib_work->ws, _cl_calib_common_start_work); + queue_work(cl_hw->drv_workqueue, &calib_work->ws); +} + +s16 cl_calib_common_get_temperature(struct cl_hw *cl_hw, u8 cfm_type) +{ + struct calib_cfm *dcoc_iq_cfm = + &cl_hw->iq_dcoc_data_info.iq_dcoc_data->dcoc_iq_cfm[cfm_type]; + u16 raw_bits = (le16_to_cpu(dcoc_iq_cfm->raw_bits_data_0) + + le16_to_cpu(dcoc_iq_cfm->raw_bits_data_1)) / 2; + + return cl_temperature_calib_calc(cl_hw, raw_bits); +} + +#ifdef CONFIG_CL8K_EEPROM_STM24256 +static u16 cl_calib_common_eeprom_get_idx(struct cl_hw *cl_hw, int bw_idx, u16 channel, + u16 channels_plan[], u8 num_of_channels) +{ + int i; + + for (i = 0; i < num_of_channels; i++) + if (channels_plan[i] == channel) + return i; + + return U16_MAX; +} + +static u16 cl_calib_common_eeprom_get_addr(struct cl_hw *cl_hw, int bw_idx, u16 channel) +{ + int idx = 0; + u16 addr = 0; + u16 *channels; + u8 num_of_channels; + + switch (bw_idx) { + case CHNL_BW_20: + channels = cl_hw->conf->ci_calib_eeprom_channels_20mhz; + + if (cl_hw_is_tcv0(cl_hw)) { + num_of_channels = EEPROM_CALIB_DATA_ELEM_NUM_20MHZ_TCV0; + idx = cl_calib_common_eeprom_get_idx(cl_hw, bw_idx, channel, channels, + num_of_channels); + addr = ADDR_CALIB_IQ_DCOC_DATA_20MHZ_TCV0; + } else { + num_of_channels = EEPROM_CALIB_DATA_ELEM_NUM_20MHZ_TCV1; + idx = cl_calib_common_eeprom_get_idx(cl_hw, bw_idx, channel, channels, + num_of_channels); + addr = ADDR_CALIB_IQ_DCOC_DATA_20MHZ_TCV1; + } + break; + case CHNL_BW_40: + channels = cl_hw->conf->ci_calib_eeprom_channels_40mhz; + + if (cl_hw_is_tcv0(cl_hw)) { + num_of_channels = EEPROM_CALIB_DATA_ELEM_NUM_40MHZ_TCV0; + idx = cl_calib_common_eeprom_get_idx(cl_hw, bw_idx, channel, channels, + num_of_channels); + addr = ADDR_CALIB_IQ_DCOC_DATA_40MHZ_TCV0; + } else { + num_of_channels = EEPROM_CALIB_DATA_ELEM_NUM_40MHZ_TCV1; + idx = cl_calib_common_eeprom_get_idx(cl_hw, bw_idx, channel, channels, + num_of_channels); + addr = ADDR_CALIB_IQ_DCOC_DATA_40MHZ_TCV1; + } + break; + case CHNL_BW_80: + channels = cl_hw->conf->ci_calib_eeprom_channels_80mhz; + + if (cl_hw_is_tcv0(cl_hw)) { + num_of_channels = EEPROM_CALIB_DATA_ELEM_NUM_80MHZ_TCV0; + idx = cl_calib_common_eeprom_get_idx(cl_hw, bw_idx, channel, channels, + num_of_channels); + addr = ADDR_CALIB_IQ_DCOC_DATA_80MHZ_TCV0; + } else { + num_of_channels = EEPROM_CALIB_DATA_ELEM_NUM_80MHZ_TCV1; + idx = cl_calib_common_eeprom_get_idx(cl_hw, bw_idx, channel, channels, + num_of_channels); + addr = ADDR_CALIB_IQ_DCOC_DATA_80MHZ_TCV1; + } + break; + case CHNL_BW_160: + channels = cl_hw->conf->ci_calib_eeprom_channels_80mhz; + + if (cl_hw_is_tcv0(cl_hw)) { + num_of_channels = EEPROM_CALIB_DATA_ELEM_NUM_80MHZ_TCV0; + idx = cl_calib_common_eeprom_get_idx(cl_hw, bw_idx, channel, channels, + num_of_channels); + addr = ADDR_CALIB_IQ_DCOC_DATA_80MHZ_TCV0; + } else { + num_of_channels = EEPROM_CALIB_DATA_ELEM_NUM_80MHZ_TCV1; + idx = cl_calib_common_eeprom_get_idx(cl_hw, bw_idx, channel, channels, + num_of_channels); + addr = ADDR_CALIB_IQ_DCOC_DATA_80MHZ_TCV1; + } + break; + default: + return U16_MAX; + } + + if (idx == U16_MAX) + return U16_MAX; + + return ((u16)addr + (u16)(idx * sizeof(struct eeprom_calib_data))); +} + +static void cl_calib_common_write_lolc_to_eeprom(struct cl_calib_db *calib_db, + struct eeprom_calib_data *calib_data, + u8 ch_idx, u8 bw, u8 sx_idx, u8 tcv_idx) +{ + memcpy(calib_data->lolc, + calib_db->iq_tx_lolc[tcv_idx][ch_idx][bw][sx_idx], + sizeof(u32) * MAX_ANTENNAS); +} + +static void cl_calib_common_write_dcoc_to_eeprom(struct cl_calib_db *calib_db, + struct eeprom_calib_data *calib_data, + u8 ch_idx, u8 bw, u8 sx_idx, u8 tcv_idx) +{ + memcpy(calib_data->dcoc, + calib_db->dcoc[tcv_idx][ch_idx][bw][sx_idx], + sizeof(struct cl_dcoc_calib) * MAX_ANTENNAS * DCOC_LNA_GAIN_NUM); +} + +static void cl_calib_common_write_iq_to_eeprom(struct cl_calib_db *calib_db, + struct eeprom_calib_data *calib_data, + u8 ch_idx, u8 bw, u8 sx_idx, u8 tcv_idx) +{ + memcpy(calib_data->iq_tx, + calib_db->iq_tx[tcv_idx][ch_idx][bw][sx_idx], + sizeof(struct cl_iq_calib) * MAX_ANTENNAS); + memcpy(calib_data->iq_rx, + calib_db->iq_rx[tcv_idx][ch_idx][bw][sx_idx], + sizeof(struct cl_iq_calib) * MAX_ANTENNAS); +} + +static s8 cl_calib_common_find_worst_iq_tone(struct cl_iq_report iq_report_dma) +{ + u8 tone = 0; + s8 worst_tone = S8_MIN; + + for (tone = 0; tone < IQ_NUM_TONES_CFM; tone++) + if (worst_tone < iq_report_dma.ir_db[IQ_POST_IDX][tone]) + worst_tone = iq_report_dma.ir_db[IQ_POST_IDX][tone]; + + return worst_tone; +} + +static void cl_calib_common_write_score_dcoc(struct cl_hw *cl_hw, + struct eeprom_calib_data *calib_data) +{ + u8 lna, ant; + + for (lna = 0; lna < DCOC_LNA_GAIN_NUM; lna++) { + for (ant = 0; ant < MAX_ANTENNAS; ant++) { + struct cl_dcoc_report *dcoc_calib_report = + &cl_hw->iq_dcoc_data_info.iq_dcoc_data->report.dcoc[lna][ant]; + + calib_data->score[ant].dcoc_i_mv[lna] = + (s16)le16_to_cpu(dcoc_calib_report->i_dc); + calib_data->score[ant].dcoc_q_mv[lna] = + (s16)le16_to_cpu(dcoc_calib_report->q_dc); + } + } +} + +static void cl_calib_common_write_score_lolc(struct cl_hw *cl_hw, + struct eeprom_calib_data *calib_data) +{ + u8 ant; + struct cl_iq_dcoc_report *report = &cl_hw->iq_dcoc_data_info.iq_dcoc_data->report; + + for (ant = 0; ant < MAX_ANTENNAS; ant++) { + calib_data->score[ant].lolc_score = + (s16)(le16_to_cpu(report->lolc_report[ant].lolc_qual)) >> 8; + } +} + +static void cl_calib_common_write_score_iq(struct cl_hw *cl_hw, + struct eeprom_calib_data *calib_data) +{ + u8 ant; + + for (ant = 0; ant < MAX_ANTENNAS; ant++) { + struct cl_iq_report iq_report_dma_tx = + cl_hw->iq_dcoc_data_info.iq_dcoc_data->report.iq_tx[ant]; + struct cl_iq_report iq_report_dma_rx = + cl_hw->iq_dcoc_data_info.iq_dcoc_data->report.iq_rx[ant]; + + calib_data->score[ant].iq_tx_score = iq_report_dma_tx.ir_db_avg_post; + calib_data->score[ant].iq_rx_score = iq_report_dma_rx.ir_db_avg_post; + calib_data->score[ant].iq_tx_worst_score = + cl_calib_common_find_worst_iq_tone(iq_report_dma_tx); + calib_data->score[ant].iq_rx_worst_score = + cl_calib_common_find_worst_iq_tone(iq_report_dma_rx); + } +} + +static void cl_calib_common_write_score_to_eeprom(struct cl_hw *cl_hw, + struct eeprom_calib_data *calib_data) +{ + cl_calib_common_write_score_dcoc(cl_hw, calib_data); + cl_calib_common_write_score_lolc(cl_hw, calib_data); + cl_calib_common_write_score_iq(cl_hw, calib_data); +} + +static void cl_calib_common_write_eeprom(struct cl_hw *cl_hw, u32 channel, u8 bw, u8 sx_idx, + u8 tcv_idx) +{ + u8 ch_idx = cl_calib_dcoc_channel_bw_to_idx(cl_hw, channel, bw); + u16 eeprom_addr = cl_calib_common_eeprom_get_addr(cl_hw, bw, channel); + struct eeprom_calib_data calib_data; + struct cl_calib_db *calib_db = &cl_hw->chip->calib_db; + + if (eeprom_addr == U16_MAX) + return; + + calib_data.valid = true; + calib_data.temperature = cl_calib_common_get_temperature(cl_hw, CALIB_CFM_IQ); + cl_calib_common_write_lolc_to_eeprom(calib_db, &calib_data, ch_idx, bw, sx_idx, tcv_idx); + cl_calib_common_write_dcoc_to_eeprom(calib_db, &calib_data, ch_idx, bw, sx_idx, tcv_idx); + cl_calib_common_write_iq_to_eeprom(calib_db, &calib_data, ch_idx, bw, sx_idx, tcv_idx); + cl_calib_common_write_score_to_eeprom(cl_hw, &calib_data); + + cl_e2p_write(cl_hw->chip, (u8 *)&calib_data, (u16)sizeof(struct eeprom_calib_data), + eeprom_addr); +} + +static bool cl_calib_common_is_channel_included_in_eeprom_bitmap(struct cl_hw *cl_hw) +{ + u16 i; + u16 *eeprom_valid_ch = NULL; + u16 num_of_channels; + + switch (cl_hw->bw) { + case CHNL_BW_20: + eeprom_valid_ch = cl_hw->conf->ci_calib_eeprom_channels_20mhz; + + if (cl_hw_is_tcv0(cl_hw)) + num_of_channels = EEPROM_CALIB_DATA_ELEM_NUM_20MHZ_TCV0; + else + num_of_channels = EEPROM_CALIB_DATA_ELEM_NUM_20MHZ_TCV1; + break; + case CHNL_BW_40: + eeprom_valid_ch = cl_hw->conf->ci_calib_eeprom_channels_40mhz; + + if (cl_hw_is_tcv0(cl_hw)) + num_of_channels = EEPROM_CALIB_DATA_ELEM_NUM_20MHZ_TCV0; + else + num_of_channels = EEPROM_CALIB_DATA_ELEM_NUM_20MHZ_TCV1; + break; + case CHNL_BW_80: + eeprom_valid_ch = cl_hw->conf->ci_calib_eeprom_channels_80mhz; + + if (cl_hw_is_tcv0(cl_hw)) + num_of_channels = EEPROM_CALIB_DATA_ELEM_NUM_20MHZ_TCV0; + else + num_of_channels = EEPROM_CALIB_DATA_ELEM_NUM_20MHZ_TCV1; + break; + case CHNL_BW_160: + eeprom_valid_ch = cl_hw->conf->ci_calib_eeprom_channels_160mhz; + + if (cl_hw_is_tcv0(cl_hw)) + num_of_channels = EEPROM_CALIB_DATA_ELEM_NUM_20MHZ_TCV0; + else + num_of_channels = EEPROM_CALIB_DATA_ELEM_NUM_20MHZ_TCV1; + break; + default: + return false; + } + for (i = 0; i < num_of_channels; i++) + if (cl_hw->channel == eeprom_valid_ch[i]) + return true; + + return false; +} +#endif /* CONFIG_CL8K_EEPROM_STM24256 */ + +int cl_calib_common_handle_set_channel_cfm(struct cl_hw *cl_hw, struct cl_calib_params calib_params) +{ + struct cl_iq_dcoc_data *iq_dcoc_data = cl_hw->iq_dcoc_data_info.iq_dcoc_data; + u8 mode = calib_params.mode; + + cl_dbg_trace(cl_hw, "\n ------ FINISH CALIB CHANNEL -----\n"); + + /* + * In case any of the requested calibrations failed - no need to copy + * the other Calibration data, and fail the whole calibration process. + */ + if ((mode & SET_CHANNEL_MODE_CALIB_DCOC && + iq_dcoc_data->dcoc_iq_cfm[CALIB_CFM_DCOC].status != CALIB_SUCCESS) || + (mode & SET_CHANNEL_MODE_CALIB_IQ && + iq_dcoc_data->dcoc_iq_cfm[CALIB_CFM_IQ].status != CALIB_SUCCESS)) { + cl_dbg_err(cl_hw, "Calibration failed! mode = %u, DCOC_CFM_STATUS = %u, " + "IQ_CFM_STATUS = %u\n", mode, + iq_dcoc_data->dcoc_iq_cfm[CALIB_CFM_DCOC].status, + iq_dcoc_data->dcoc_iq_cfm[CALIB_CFM_IQ].status); + /* Set status to CALIB_FAIL to ensure that FW is writing the values. */ + iq_dcoc_data->dcoc_iq_cfm[CALIB_CFM_DCOC].status = CALIB_FAIL; + iq_dcoc_data->dcoc_iq_cfm[CALIB_CFM_IQ].status = CALIB_FAIL; + return -EINVAL; + } + + cl_dbg_trace(cl_hw, "mode = %u\n", mode); + + if (mode & SET_CHANNEL_MODE_CALIB_DCOC) + cl_calib_dcoc_handle_set_channel_cfm(cl_hw, calib_params.first_channel); + + if (mode & SET_CHANNEL_MODE_CALIB_IQ) + cl_calib_iq_handle_set_channel_cfm(cl_hw, calib_params.plan_bitmap); + + if (mode & SET_CHANNEL_MODE_CALIB_LOLC) + cl_calib_iq_lolc_handle_set_channel_cfm(cl_hw, calib_params.plan_bitmap); + +#ifdef CONFIG_CL8K_EEPROM_STM24256 + if (cl_hw->chip->conf->ci_calib_eeprom_en && cl_hw->chip->conf->ce_production_mode && + cl_hw->chip->is_calib_eeprom_loaded && cl_hw->chip->conf->ce_calib_runtime_en) + if (cl_calib_common_is_channel_included_in_eeprom_bitmap(cl_hw)) + cl_calib_common_write_eeprom(cl_hw, cl_hw->channel, cl_hw->bw, + cl_hw->sx_idx, cl_hw->tcv_idx); +#endif + + return 0; +} + +int cl_calib_common_check_errors(struct cl_hw *cl_hw) +{ + u8 tcv_idx = cl_hw->tcv_idx; + u16 dcoc_erros = cl_hw->chip->calib_db.errors[tcv_idx].dcoc; + u16 lolc_erros = cl_hw->chip->calib_db.errors[tcv_idx].lolc; + u16 iq_tx_erros = cl_hw->chip->calib_db.errors[tcv_idx].iq_tx; + u16 iq_rx_erros = cl_hw->chip->calib_db.errors[tcv_idx].iq_rx; + + if (!cl_hw->chip->conf->ci_calib_check_errors) + return 0; + + if (dcoc_erros > 0 || lolc_erros > 0 || iq_tx_erros > 0 || iq_rx_erros > 0) { + CL_DBG_ERROR(cl_hw, "Abort: dcoc_erros %u, lolc_erros %u," + " iq_tx_erros %u, iq_rx_erros %u\n", + dcoc_erros, lolc_erros, iq_tx_erros, iq_rx_erros); + return -ECANCELED; + } + + return 0; +} + +static const u8 calib_channels_24g[CALIB_CHAN_24G_MAX] = { + 1, 6, 11 +}; + +static const u8 calib_channels_5g_plan[CALIB_CHAN_5G_PLAN] = { + 36, 52, 100, 116, 132, 149 +}; + +static const u8 calib_channels_6g_plan[CALIB_CHAN_6G_PLAN] = { + 1, 17, 33, 49, 65, 81, 97, 113, 129, 145, 161, 177, 193, 209, 225 +}; + +static const u8 calib_channels_5g_bw_20[] = { + 36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144, + 149, 153, 157, 161, 165 +}; + +static const u8 calib_channels_5g_bw_40[] = { + 36, 44, 52, 60, 100, 108, 116, 124, 132, 140, 149, 157 +}; + +static const u8 calib_channels_5g_bw_80[] = { + 36, 52, 100, 116, 132, 149 +}; + +static const u8 calib_channels_5g_bw_160[] = { + 36, 100 +}; + +static const u8 calib_channels_6g_bw_20[] = { + 1, 5, 9, 13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61, 65, 69, 73, 77, 81, 85, 89, 93, + 97, 101, 105, 109, 113, 117, 121, 125, 129, 133, 137, 141, 145, 149, 153, 157, 161, 165, + 169, 173, 177, 181, 185, 189, 193, 197, 201, 205, 209, 213, 217, 221, 225, 229, 233 +}; + +static const u8 calib_channels_6g_bw_40[] = { + 1, 9, 17, 25, 33, 41, 49, 57, 65, 73, 81, 89, 97, 105, 113, 121, 129, 137, 145, 153, 161, + 169, 177, 185, 193, 201, 209, 217, 225 +}; + +static const u8 calib_channels_6g_bw_80[] = { + 1, 17, 33, 49, 65, 81, 97, 113, 129, 145, 161, 177, 193, 209, 225 +}; + +static const u8 calib_channels_6g_bw_160[] = { + 1, 33, 65, 97, 129, 161, 193, 225 +}; + +static void cl_calib_dcoc_handle_data(struct cl_hw *cl_hw, s16 calib_temperature, u8 channel, u8 bw) +{ + struct cl_chip *chip = cl_hw->chip; + int lna, chain; + u8 tcv_idx = cl_hw->tcv_idx; + u8 sx = cl_hw->sx_idx; + u8 channel_idx = cl_calib_dcoc_channel_bw_to_idx(cl_hw, channel, bw); + struct cl_dcoc_calib *dcoc_calib; + struct cl_dcoc_calib *dcoc_calib_dma; + + for (lna = 0; lna < DCOC_LNA_GAIN_NUM; lna++) { + riu_chain_for_each(chain) { + dcoc_calib = + &chip->calib_db.dcoc[tcv_idx][channel_idx][bw][sx][chain][lna]; + dcoc_calib_dma = + &cl_hw->iq_dcoc_data_info.iq_dcoc_data->iq_dcoc_db.dcoc[lna][chain]; + dcoc_calib->i = dcoc_calib_dma->i; + dcoc_calib->q = dcoc_calib_dma->q; + } + } +} + +static void cl_calib_dcoc_handle_report(struct cl_hw *cl_hw, s16 calib_temperature, + int channel, u8 bw) +{ + struct cl_chip *chip = cl_hw->chip; + int lna, chain; + struct cl_dcoc_report *dcoc_calib_report_dma; + int bw_mhz = BW_TO_MHZ(bw); + u8 dcoc_threshold = chip->conf->ci_dcoc_mv_thr[bw]; + s16 i, q; + + for (lna = 0; lna < DCOC_LNA_GAIN_NUM; lna++) { + riu_chain_for_each(chain) { + dcoc_calib_report_dma = + &cl_hw->iq_dcoc_data_info.iq_dcoc_data->report.dcoc[lna][chain]; + + i = (s16)le16_to_cpu(dcoc_calib_report_dma->i_dc); + q = (s16)le16_to_cpu(dcoc_calib_report_dma->q_dc); + + if (abs(i) > dcoc_threshold || abs(q) > dcoc_threshold) { + cl_dbg_warn(cl_hw, + "Warning: DCOC value exceeds threshold [%umV]: channel %u, bw = %u, lna = %u, chain = %u, I[mV] = %d, I[Iter] = %u, Q[mV] = %d, Q[Iter] = %u\n", + dcoc_threshold, channel, bw_mhz, lna, chain, i, + le16_to_cpu(dcoc_calib_report_dma->i_iterations), q, + le16_to_cpu(dcoc_calib_report_dma->q_iterations)); + chip->calib_db.errors[cl_hw->tcv_idx].dcoc++; + } + } + } +} + +static int cl_calib_dcoc_calibrate_channel(struct cl_hw *cl_hw, u32 channel, u32 bw, + bool first_channel) +{ + u32 primary = 0; + u32 center = 0; + enum nl80211_chan_width width = NL80211_CHAN_WIDTH_20; + struct cl_calib_params calib_params = {SET_CHANNEL_MODE_CALIB_DCOC, first_channel, 0, 0}; + + if (cl_chandef_calc(cl_hw, channel, bw, &width, &primary, ¢er)) { + cl_dbg_err(cl_hw, "cl_chandef_calc failed\n"); + return -EINVAL; + } + + cl_dbg_trace(cl_hw, "\n ------ START CALIB DCOC CHANNEL -----\n"); + cl_dbg_trace(cl_hw, "channel = %u first_channel = %u\n", channel, first_channel); + + /* Set Channel Mode to DCOC Calibration Mode */ + return cl_msg_tx_set_channel(cl_hw, channel, bw, primary, center, calib_params); +} + +static void cl_calib_dcoc_average(struct cl_chip *chip, u8 tcv_idx, u8 center, + u8 bw, u8 chain, u8 sx, u8 lna) +{ + struct cl_dcoc_calib *dcoc_db_left; + struct cl_dcoc_calib *dcoc_db_center; + struct cl_dcoc_calib *dcoc_db_right; + u8 left_idx = cl_calib_dcoc_tcv_channel_to_idx(chip, tcv_idx, + calib_channels_6g_plan[center - 1], bw); + u8 center_idx = cl_calib_dcoc_tcv_channel_to_idx(chip, tcv_idx, + calib_channels_6g_plan[center], bw); + u8 right_idx = cl_calib_dcoc_tcv_channel_to_idx(chip, tcv_idx, + calib_channels_6g_plan[center + 1], bw); + + dcoc_db_left = &chip->calib_db.dcoc[tcv_idx][left_idx][bw][sx][chain][lna]; + dcoc_db_center = &chip->calib_db.dcoc[tcv_idx][center_idx][bw][sx][chain][lna]; + dcoc_db_right = &chip->calib_db.dcoc[tcv_idx][right_idx][bw][sx][chain][lna]; + + dcoc_db_center->i = (dcoc_db_left->i + dcoc_db_right->i) / 2; + dcoc_db_center->q = (dcoc_db_left->q + dcoc_db_right->q) / 2; +} + +static int cl_calib_dcoc_calibrate_6g(struct cl_hw *cl_hw) +{ + int i; + u8 chain, lna; + u8 tcv_idx = cl_hw->tcv_idx; + u8 sx = tcv_idx; + bool first_channel = true; + struct cl_chip *chip = cl_hw->chip; + + /* Calibrate channels: 1, 33, 65, 97, 129, 161, 193, 225 */ + for (i = 0; i < CALIB_CHAN_6G_PLAN; i += 2) { + if (cl_hw->conf->ci_cap_bandwidth == CHNL_BW_160 && + (cl_calib_dcoc_calibrate_channel(cl_hw, calib_channels_6g_plan[i], CHNL_BW_160, + first_channel) == 0)) + first_channel = false; + + if (cl_calib_dcoc_calibrate_channel(cl_hw, calib_channels_6g_plan[i], CHNL_BW_80, + first_channel) == 0) + first_channel = false; + + if (cl_calib_dcoc_calibrate_channel(cl_hw, calib_channels_6g_plan[i], CHNL_BW_20, + first_channel) == 0) + first_channel = false; + } + + /* + * For these channels 17, 49, 81, 113, 145, 177, 209 + * calculate average of closest neighbors + */ + for (i = 1; i < CALIB_CHAN_6G_PLAN - 1; i += 2) + riu_chain_for_each(chain) + for (lna = 0; lna < DCOC_LNA_GAIN_NUM; lna++) { + cl_calib_dcoc_average(chip, tcv_idx, i, CHNL_BW_80, + chain, sx, lna); + cl_calib_dcoc_average(chip, tcv_idx, i, CHNL_BW_20, + chain, sx, lna); + } + + return first_channel; +} + +static int cl_calib_dcoc_calibrate_5g(struct cl_hw *cl_hw) +{ + int i; + bool first_channel = true; + + if (cl_hw->conf->ci_cap_bandwidth == CHNL_BW_160) { + if (cl_calib_dcoc_calibrate_channel(cl_hw, 36, CHNL_BW_160, first_channel) == 0) + first_channel = false; + + if (cl_calib_dcoc_calibrate_channel(cl_hw, 100, CHNL_BW_160, first_channel) == 0) + first_channel = false; + } + + for (i = 0; i < CALIB_CHAN_5G_PLAN; i++) { + if (cl_calib_dcoc_calibrate_channel(cl_hw, calib_channels_5g_plan[i], CHNL_BW_80, + first_channel) == 0) + first_channel = false; + + if (cl_calib_dcoc_calibrate_channel(cl_hw, calib_channels_5g_plan[i], CHNL_BW_20, + first_channel) == 0) + first_channel = false; + } + + return first_channel; +} + +static int cl_calib_dcoc_calibrate_24g(struct cl_hw *cl_hw) +{ + int i; + bool first_channel = true; + + for (i = 0; i < CALIB_CHAN_24G_MAX; i++) { + if (cl_calib_dcoc_calibrate_channel(cl_hw, calib_channels_24g[i], CHNL_BW_40, + first_channel) == 0) + first_channel = false; + + if (cl_calib_dcoc_calibrate_channel(cl_hw, calib_channels_24g[i], CHNL_BW_20, + first_channel) == 0) + first_channel = false; + } + + return first_channel; +} + +static void cl_calib_dcoc_calibrate(struct cl_hw *cl_hw) +{ + if (cl_band_is_6g(cl_hw)) + cl_calib_dcoc_calibrate_6g(cl_hw); + else if (cl_band_is_5g(cl_hw)) + cl_calib_dcoc_calibrate_5g(cl_hw); + else if (cl_band_is_24g(cl_hw)) + cl_calib_dcoc_calibrate_24g(cl_hw); +} + +void cl_calib_dcoc_init_calibration(struct cl_hw *cl_hw) +{ + u8 tcv_idx = cl_hw->tcv_idx; + struct cl_chip *chip = cl_hw->chip; + struct cl_iq_dcoc_conf *iq_dcoc_conf = &chip->iq_dcoc_conf; + u8 fem_mode = cl_hw->fem_mode; + + /* No need to init calibration to non-Olympus phy */ + if (!IS_REAL_PHY(chip)) + return; + if (cl_hw_is_tcv0(cl_hw) && chip->conf->ci_tcv1_chains_sx0) + return; + + if (!iq_dcoc_conf->dcoc_calib_needed[tcv_idx]) { + u8 file_num_antennas = iq_dcoc_conf->dcoc_file_num_ant[tcv_idx]; + + if (file_num_antennas < cl_hw->num_antennas) { + cl_dbg_verbose(cl_hw, + "Num of antennas [%u], is larger than DCOC calibration file" + " num of antennas [%u], recalibration is needed\n", + cl_hw->num_antennas, file_num_antennas); + } else { + return; + } + } + + /* Set FEM mode to LNA Bypass Only mode for DCOC Calibration. */ + cl_fem_set_dcoc_bypass(cl_hw); + cl_afe_cfg_calib(chip); + + cl_calib_dcoc_calibrate(cl_hw); + + /* Restore FEM mode to its original mode. */ + cl_fem_dcoc_restore(cl_hw, fem_mode); + cl_afe_cfg_restore(chip); + + iq_dcoc_conf->dcoc_calib_needed[tcv_idx] = false; + iq_dcoc_conf->dcoc_file_num_ant[tcv_idx] = cl_hw->num_antennas; +} + +static u8 cl_calib_dcoc_get_chan_idx(const u8 calib_chan_list[], u8 list_len, u8 channel) +{ + u8 i = 0; + + for (i = 1; i < list_len; i++) + if (calib_chan_list[i] > channel) + return (i - 1); + + return (list_len - 1); +} + +static u8 cl_calib_dcoc_convert_to_channel_in_plan(u8 channel, u8 band) +{ + u8 idx; + + if (band == BAND_6G) { + idx = cl_calib_dcoc_get_chan_idx(calib_channels_6g_plan, + ARRAY_SIZE(calib_channels_6g_plan), channel); + return calib_channels_6g_plan[idx]; + } + + idx = cl_calib_dcoc_get_chan_idx(calib_channels_5g_plan, + ARRAY_SIZE(calib_channels_5g_plan), channel); + + return calib_channels_5g_plan[idx]; +} + +u8 cl_calib_dcoc_channel_bw_to_idx(struct cl_hw *cl_hw, u8 channel, u8 bw) +{ + if (cl_band_is_6g(cl_hw)) { + if (bw == CHNL_BW_160) + return cl_calib_dcoc_get_chan_idx(calib_channels_6g_bw_160, + ARRAY_SIZE(calib_channels_6g_bw_160), + channel); + /* + * In case of non runtime calib - channels that don't exist in the plan list will + * not be calibrated. Thus, the calib data need to be fetched from a close channel + * that was calibrated - AKA "fallback channel". + * In this case the channel value should convert to the "fallback channel" that had + * been calibrated. The func will return the idx value of the "fallback channel" + * instead of the original idx channel. + */ + if (!cl_hw->chip->conf->ce_calib_runtime_en) + channel = cl_calib_dcoc_convert_to_channel_in_plan(channel, BAND_6G); + + if (bw == CHNL_BW_20) + return cl_calib_dcoc_get_chan_idx(calib_channels_6g_bw_20, + ARRAY_SIZE(calib_channels_6g_bw_20), + channel); + + if (bw == CHNL_BW_40) + return cl_calib_dcoc_get_chan_idx(calib_channels_6g_bw_40, + ARRAY_SIZE(calib_channels_6g_bw_40), + channel); + + if (bw == CHNL_BW_80) + return cl_calib_dcoc_get_chan_idx(calib_channels_6g_bw_80, + ARRAY_SIZE(calib_channels_6g_bw_80), + channel); + } + + if (cl_band_is_5g(cl_hw)) { + if (bw == CHNL_BW_160) + return cl_calib_dcoc_get_chan_idx(calib_channels_5g_bw_160, + ARRAY_SIZE(calib_channels_5g_bw_160), + channel); + + if (!cl_hw->chip->conf->ce_calib_runtime_en) + channel = cl_calib_dcoc_convert_to_channel_in_plan(channel, BAND_5G); + + if (bw == CHNL_BW_20) + return cl_calib_dcoc_get_chan_idx(calib_channels_5g_bw_20, + ARRAY_SIZE(calib_channels_5g_bw_20), + channel); + + if (bw == CHNL_BW_40) + return cl_calib_dcoc_get_chan_idx(calib_channels_5g_bw_40, + ARRAY_SIZE(calib_channels_5g_bw_40), + channel); + + if (bw == CHNL_BW_80) + return cl_calib_dcoc_get_chan_idx(calib_channels_5g_bw_80, + ARRAY_SIZE(calib_channels_5g_bw_80), + channel); + } + + return cl_calib_dcoc_get_chan_idx(calib_channels_24g, ARRAY_SIZE(calib_channels_24g), + channel); +} + +void cl_calib_dcoc_fill_data(struct cl_hw *cl_hw, struct cl_iq_dcoc_info *iq_dcoc_db) +{ + struct cl_chip *chip = cl_hw->chip; + u8 lna = 0, chain = 0; + u8 bw = cl_hw->bw; + u8 channel_idx = cl_calib_dcoc_channel_bw_to_idx(cl_hw, cl_hw->channel, bw); + u8 tcv_idx = cl_hw->tcv_idx; + u8 sx = cl_hw->sx_idx; + + for (lna = 0; lna < DCOC_LNA_GAIN_NUM; lna++) + riu_chain_for_each(chain) + iq_dcoc_db->dcoc[lna][chain] = + chip->calib_db.dcoc[tcv_idx][channel_idx][bw][sx][chain][lna]; +} + +u8 cl_calib_dcoc_tcv_channel_to_idx(struct cl_chip *chip, u8 tcv_idx, u8 channel, u8 bw) +{ + u8 i = 0; + + if (cl_chip_is_6g(chip)) { + if (tcv_idx == TCV0) { + if (bw == CHNL_BW_20) + return cl_calib_dcoc_get_chan_idx(calib_channels_6g_bw_20, + ARRAY_SIZE + (calib_channels_6g_bw_20), + channel); + + if (bw == CHNL_BW_40) + return cl_calib_dcoc_get_chan_idx(calib_channels_6g_bw_40, + ARRAY_SIZE + (calib_channels_6g_bw_40), + channel); + + if (bw == CHNL_BW_80) + return cl_calib_dcoc_get_chan_idx(calib_channels_6g_bw_80, + ARRAY_SIZE + (calib_channels_6g_bw_80), + channel); + + if (bw == CHNL_BW_160) + return cl_calib_dcoc_get_chan_idx(calib_channels_6g_bw_160, + ARRAY_SIZE + (calib_channels_6g_bw_160), + channel); + } else if (tcv_idx == TCV1) { + if (bw == CHNL_BW_20) + return cl_calib_dcoc_get_chan_idx(calib_channels_5g_bw_20, + ARRAY_SIZE + (calib_channels_5g_bw_20), + channel); + + if (bw == CHNL_BW_40) + return cl_calib_dcoc_get_chan_idx(calib_channels_5g_bw_40, + ARRAY_SIZE + (calib_channels_5g_bw_40), + channel); + + if (bw == CHNL_BW_80) + return cl_calib_dcoc_get_chan_idx(calib_channels_5g_bw_80, + ARRAY_SIZE + (calib_channels_5g_bw_80), + channel); + + if (bw == CHNL_BW_160) + return cl_calib_dcoc_get_chan_idx(calib_channels_5g_bw_160, + ARRAY_SIZE + (calib_channels_5g_bw_160), + channel); + } + } else { + if (channel <= NUM_CHANNELS_24G) { + for (i = 0; i < CALIB_CHAN_24G_MAX; i++) + if (calib_channels_24g[i] == channel) + return i; + } else { + if (bw == CHNL_BW_20) + return cl_calib_dcoc_get_chan_idx(calib_channels_5g_bw_20, + ARRAY_SIZE + (calib_channels_5g_bw_20), + channel); + + if (bw == CHNL_BW_40) + return cl_calib_dcoc_get_chan_idx(calib_channels_5g_bw_40, + ARRAY_SIZE + (calib_channels_5g_bw_40), + channel); + + if (bw == CHNL_BW_80) + return cl_calib_dcoc_get_chan_idx(calib_channels_5g_bw_80, + ARRAY_SIZE + (calib_channels_5g_bw_80), + channel); + + if (bw == CHNL_BW_160) + return cl_calib_dcoc_get_chan_idx(calib_channels_5g_bw_160, + ARRAY_SIZE + (calib_channels_5g_bw_160), + channel); + } + } + + return 0; +} + +void cl_calib_dcoc_handle_set_channel_cfm(struct cl_hw *cl_hw, bool first_channel) +{ + struct calib_cfm *dcoc_iq_cfm = + &cl_hw->iq_dcoc_data_info.iq_dcoc_data->dcoc_iq_cfm[CALIB_CFM_DCOC]; + s16 calib_temperature = cl_calib_common_get_temperature(cl_hw, CALIB_CFM_DCOC); + u8 channel = cl_hw->channel; + u8 bw = cl_hw->bw; + + cl_dbg_trace(cl_hw, "calib_temperature = %d, channel = %u, bw = %u\n", calib_temperature, + channel, bw); + + cl_calib_dcoc_handle_data(cl_hw, calib_temperature, channel, bw); + cl_calib_dcoc_handle_report(cl_hw, calib_temperature, channel, bw); + + /* + * Set the default status to FAIL, to ensure FW is actually changing the value, + * if the calibration succeeded. + */ + dcoc_iq_cfm->status = CALIB_FAIL; +} + +static void cl_calib_iq_handle_data(struct cl_hw *cl_hw, s16 calib_temperature, u8 channel, + u8 bw, u8 plan_bitmap) +{ + int chain; + u8 tcv_idx = cl_hw->tcv_idx; + u8 sx = cl_hw->sx_idx; + u8 channel_idx = cl_calib_dcoc_channel_bw_to_idx(cl_hw, channel, bw); + struct cl_iq_calib iq_calib_dma; + + riu_chain_for_each(chain) { + if ((plan_bitmap & (1 << chain)) == 0) + continue; + + iq_calib_dma = cl_hw->iq_dcoc_data_info.iq_dcoc_data->iq_dcoc_db.iq_tx[chain]; + cl_hw->chip->calib_db.iq_tx[tcv_idx][channel_idx][bw][sx][chain] = iq_calib_dma; + + iq_calib_dma = cl_hw->iq_dcoc_data_info.iq_dcoc_data->iq_dcoc_db.iq_rx[chain]; + cl_hw->chip->calib_db.iq_rx[tcv_idx][channel_idx][bw][sx][chain] = iq_calib_dma; + } +} + +static void cl_calib_iq_lolc_handle_data(struct cl_hw *cl_hw, s16 calib_temperature, + u8 channel, u8 bw, u8 plan_bitmap) +{ + int chain; + u8 tcv_idx = cl_hw->tcv_idx; + u8 sx = cl_hw->sx_idx; + u8 channel_idx = cl_calib_dcoc_channel_bw_to_idx(cl_hw, channel, bw); + __le32 lolc_calib_dma; + + riu_chain_for_each(chain) { + if ((plan_bitmap & (1 << chain)) == 0) + continue; + + lolc_calib_dma = + cl_hw->iq_dcoc_data_info.iq_dcoc_data->iq_dcoc_db.iq_tx_lolc[chain]; + cl_hw->chip->calib_db.iq_tx_lolc[tcv_idx][channel_idx][bw][sx][chain] = + le32_to_cpu(lolc_calib_dma); + } +} + +static void cl_calib_iq_lolc_handle_report(struct cl_hw *cl_hw, s16 calib_temperature, + int channel, u8 bw, u8 plan_bitmap) +{ + struct cl_iq_dcoc_report *report = &cl_hw->iq_dcoc_data_info.iq_dcoc_data->report; + int chain; + struct cl_lolc_report lolc_report_dma; + int bw_mhz = BW_TO_MHZ(bw); + s16 lolc_threshold = cl_hw->chip->conf->ci_lolc_db_thr; + s32 lolc_qual = 0; + + riu_chain_for_each(chain) { + if ((plan_bitmap & (1 << chain)) == 0) + continue; + + lolc_report_dma = report->lolc_report[chain]; + lolc_qual = (s16)(le16_to_cpu(lolc_report_dma.lolc_qual)) >> 8; + + cl_dbg_trace(cl_hw, "LOLC Quality [chain = %u] = %d, Iter = %u\n", + chain, lolc_qual, lolc_report_dma.n_iter); + + if (lolc_qual > lolc_threshold) { + cl_dbg_warn(cl_hw, + "Warning: LOLC value exceeds threshold [%ddB]: channel %u, " + "bw = %u, chain = %u, LOLC[dB] = %d, I[Iter] = %u\n", + lolc_threshold, channel, bw_mhz, chain, lolc_qual, + lolc_report_dma.n_iter); + cl_hw->chip->calib_db.errors[cl_hw->tcv_idx].lolc++; + } + } +} + +static int cl_calib_iq_calibrate_channel(struct cl_hw *cl_hw, u32 channel, u32 bw, + bool first_channel) +{ + u32 primary = 0; + u32 center = 0; + enum nl80211_chan_width width = NL80211_CHAN_WIDTH_20; + struct cl_calib_params calib_params = { + (SET_CHANNEL_MODE_CALIB_IQ | SET_CHANNEL_MODE_CALIB_LOLC), + first_channel, SX_FREQ_OFFSET_Q2, 0 + }; + + /* Convert ant to riu chain in the calib plan_bitmap */ + calib_params.plan_bitmap = + cl_hw_ant_mask_to_riu_chain_mask(cl_hw, cl_hw->mask_num_antennas); + + if (cl_chandef_calc(cl_hw, channel, bw, &width, &primary, ¢er)) { + cl_dbg_err(cl_hw, "cl_chandef_calc failed\n"); + return -EINVAL; + } + + cl_dbg_trace(cl_hw, "\n ------ START CALIB IQ CHANNEL -----\n"); + cl_dbg_trace(cl_hw, "channel = %u first_channel = %d\n", channel, first_channel); + + /* Set channel mode to LO+IQ calibration mode */ + return cl_msg_tx_set_channel(cl_hw, channel, bw, primary, center, calib_params); +} + +static u8 cl_calib_iq_convert_plan_to_calib_db_idx(u8 chan_idx_src, u8 bw) +{ + u8 shift_idx = 0; + /* + * Calibration data is fetched from calibrated channels to previous uncalibrated channels in + * plan list. + * + * For example: channel 65 was calibrated due the channels plan list. Calibration data of + * channel 65 saved in calib_db struct in the relevant chan idx place due the BW, as the + * follow: + * chan_idx 16 for BW 20, + * chan_idx 8 for BW 40 + * chan_idx 4 for BW 80 + * chan_idx 2 for BW 160. + * + * We want to copy calib data of IQ & LOLC from channel 65 to channel 49. Doing the same + * also to the other uncalib channels: 33->17, 65->49, 97->81 etc. + * + * The chan idx of channel 49 in the calib_db by BW is: + * chan_idx 12 for BW 20, + * chan_idx 6 for BW 40 + * chan_idx 3 for BW 80 + * (no exist chan_idx for BW 160) + * + * We copy the data in calib_db from idx of channel 65 to the idx of channel 49: + * chan_idx 16 to chan_idx 12 (in BW 20) + * chan_idx 8 to chan_idx 6 (in BW 40) + * chan_idx 4 to chan_idx 3 (in BW 80) + * + * In general, the dst chan idx will be calculated by; + * dst_idx = src_idx - 4 (for BW 20) + * dst_idx = src_idx - 2 (for BW 40) + * dst_idx = src_idx - 1 (for BW 80) + * + * The way to calc this is shiftting is by the follow bitmask: + * 4 >> bw + */ + shift_idx = 4 >> bw; + + return chan_idx_src - shift_idx; +} + +static void cl_calib_iq_copy_data_to_uncalibrated_channels_6g(struct cl_hw *cl_hw) +{ + struct cl_calib_db *calib_db = &cl_hw->chip->calib_db; + int i; + u8 sx = cl_hw->sx_idx; + u8 tcv_idx = cl_hw->tcv_idx; + u8 chan_idx_src = 0; + u8 chan_idx_dst = 0; + u8 chain = 0; + u8 bw = 0; + + /* + * Copy iq & lo calib data from 6g list plan calibrate channels: 1, 33, 65, 97, 129, 161, + * 193, 22 to uncalibrated channels 17, 49, 81, 113, 145, 177, 209. copy to the correct + * channel idx for each different bw + */ + for (i = 1; i < CALIB_CHAN_6G_PLAN - 1; i += 2) + riu_chain_for_each(chain) + /* Iterate only CHNL_BW_80 and CHNL_BW_20 */ + for (bw = CHNL_BW_20; bw <= CHNL_BW_80; bw += 2) { + chan_idx_src = + cl_calib_dcoc_channel_bw_to_idx(cl_hw, + calib_channels_6g_plan[i], + bw); + + chan_idx_dst = + cl_calib_iq_convert_plan_to_calib_db_idx(chan_idx_src, bw); + memcpy(&calib_db->iq_tx[tcv_idx][chan_idx_dst][bw][sx][chain], + &calib_db->iq_tx[tcv_idx][chan_idx_src][bw][sx][chain], + sizeof(struct cl_iq_calib)); + memcpy(&calib_db->iq_rx[tcv_idx][chan_idx_dst][bw][sx][chain], + &calib_db->iq_rx[tcv_idx][chan_idx_src][bw][sx][chain], + sizeof(struct cl_iq_calib)); + calib_db->iq_tx_lolc[tcv_idx][chan_idx_dst][bw][sx][chain] = + calib_db->iq_tx_lolc[tcv_idx][chan_idx_src][bw][sx][chain]; + } +} + +static bool cl_calib_iq_calibrate_6g(struct cl_hw *cl_hw) +{ + int i; + bool first_channel = true; + + /* Calibrate channels: 1, 33, 65, 97, 129, 161, 193, 225 */ + for (i = 0; i < CALIB_CHAN_6G_PLAN; i += 2) { + if ((cl_calib_iq_calibrate_channel(cl_hw, calib_channels_6g_plan[i], CHNL_BW_160, + first_channel) == 0)) + first_channel = false; + + if (cl_calib_iq_calibrate_channel(cl_hw, calib_channels_6g_plan[i], CHNL_BW_80, + first_channel) == 0) + first_channel = false; + + if (cl_calib_iq_calibrate_channel(cl_hw, calib_channels_6g_plan[i], CHNL_BW_20, + first_channel) == 0) + first_channel = false; + } + + /* + * For these channels 17, 49, 81, 113, 145, 177, 209 + * copy data of next neighbor + */ + cl_calib_iq_copy_data_to_uncalibrated_channels_6g(cl_hw); + + return first_channel; +} + +static bool cl_calib_iq_calibrate_5g(struct cl_hw *cl_hw) +{ + int i; + bool first_channel = true; + + if (cl_calib_iq_calibrate_channel(cl_hw, 36, CHNL_BW_160, first_channel) == 0) + first_channel = false; + + if (cl_calib_iq_calibrate_channel(cl_hw, 100, CHNL_BW_160, first_channel) == 0) + first_channel = false; + + for (i = 0; i < CALIB_CHAN_5G_PLAN; i++) { + if (cl_calib_iq_calibrate_channel(cl_hw, calib_channels_5g_plan[i], CHNL_BW_80, + first_channel) == 0) + first_channel = false; + + if (cl_calib_iq_calibrate_channel(cl_hw, calib_channels_5g_plan[i], CHNL_BW_20, + first_channel) == 0) + first_channel = false; + } + + return first_channel; +} + +static bool cl_calib_iq_calibrate_24g(struct cl_hw *cl_hw) +{ + int i; + bool first_channel = true; + + if (cl_hw->chip->conf->ce_production_mode) { + if (cl_calib_iq_calibrate_channel(cl_hw, 1, CHNL_BW_160, + first_channel) == 0) + first_channel = false; + + if (cl_calib_iq_calibrate_channel(cl_hw, 1, CHNL_BW_80, + first_channel) == 0) + first_channel = false; + } + + for (i = 0; i < CALIB_CHAN_24G_MAX; i++) { + if (cl_calib_iq_calibrate_channel(cl_hw, calib_channels_24g[i], CHNL_BW_40, + first_channel) == 0) + first_channel = false; + + if (cl_calib_iq_calibrate_channel(cl_hw, calib_channels_24g[i], CHNL_BW_20, + first_channel) == 0) + first_channel = false; + } + + return first_channel; +} + +static void cl_calib_iq_calibrate(struct cl_hw *cl_hw) +{ + if (cl_band_is_6g(cl_hw)) + cl_calib_iq_calibrate_6g(cl_hw); + else if (cl_band_is_5g(cl_hw)) + cl_calib_iq_calibrate_5g(cl_hw); + else if (cl_band_is_24g(cl_hw)) + cl_calib_iq_calibrate_24g(cl_hw); +} + +static void cl_calib_iq_init_calibration_tcv(struct cl_hw *cl_hw) +{ + u8 tcv_idx = cl_hw->tcv_idx; + + cl_calib_iq_calibrate(cl_hw); + + cl_hw->chip->iq_dcoc_conf.iq_file_num_ant[tcv_idx] = cl_hw->num_antennas; +} + +void cl_calib_restore_channel(struct cl_hw *cl_hw, struct cl_calib_iq_restore *iq_restore) +{ + u8 bw = iq_restore->bw; + u32 primary = iq_restore->primary; + u32 center = iq_restore->center; + u8 channel = iq_restore->channel; + + cl_msg_tx_set_channel(cl_hw, channel, bw, primary, center, CL_CALIB_PARAMS_DEFAULT_STRUCT); +} + +void cl_calib_save_channel(struct cl_hw *cl_hw, struct cl_calib_iq_restore *iq_restore) +{ + iq_restore->bw = cl_hw->bw; + iq_restore->primary = cl_hw->primary_freq; + iq_restore->center = cl_hw->center_freq; + iq_restore->channel = ieee80211_frequency_to_channel(cl_hw->primary_freq); + + cl_dbg_chip_trace(cl_hw, "bw = %u, primary = %d, center = %d, channel = %u\n", + iq_restore->bw, iq_restore->primary, + iq_restore->center, iq_restore->channel); +} + +int cl_calib_iq_set_idle(struct cl_hw *cl_hw, bool idle) +{ + struct cl_chip *chip = cl_hw->chip; + struct cl_hw *cl_hw_tcv0 = chip->cl_hw_tcv0; + struct cl_hw *cl_hw_tcv1 = chip->cl_hw_tcv1; + bool tcv0_en = cl_chip_is_tcv0_enabled(chip) && cl_radio_is_on(cl_hw_tcv0); + bool tcv1_en = cl_chip_is_tcv1_enabled(chip) && cl_radio_is_on(cl_hw_tcv1); + + if (!idle) { + if (tcv1_en) + cl_msg_tx_set_idle(cl_hw_tcv1, MAC_ACTIVE, false); + + if (tcv0_en) + cl_msg_tx_set_idle(cl_hw_tcv0, MAC_ACTIVE, false); + + return 0; + } + + if (tcv1_en) + cl_msg_tx_idle_async(cl_hw_tcv1, false); + + if (tcv0_en) + cl_msg_tx_set_idle(cl_hw_tcv0, MAC_IDLE_SYNC, false); + + cl_dbg_info(cl_hw, "idle_async_set = %u\n", cl_hw->idle_async_set); + + if (wait_event_timeout(cl_hw->wait_queue, !cl_hw->idle_async_set, + CL_MSG_CFM_TIMEOUT_JIFFIES)) + return 0; + + cl_dbg_err(cl_hw, "Timeout occurred - MM_IDLE_ASYNC_IND\n"); + return -ETIMEDOUT; +} + +bool cl_calib_iq_calibration_needed(struct cl_hw *cl_hw) +{ + struct cl_chip *chip = cl_hw->chip; + struct cl_iq_dcoc_conf *iq_dcoc_conf = &chip->iq_dcoc_conf; + bool calib_needed = false; + + if (!IS_REAL_PHY(chip)) + return false; + + if (cl_hw->chip->conf->ce_calib_runtime_en) + return false; + + if (cl_hw_is_tcv0(cl_hw) && chip->conf->ci_tcv1_chains_sx0) + return false; + + if (cl_chip_is_tcv0_enabled(chip)) { + u8 num_antennas_tcv0 = chip->cl_hw_tcv0->num_antennas; + + if (iq_dcoc_conf->iq_file_num_ant[TCV0] < num_antennas_tcv0 && + !chip->conf->ci_tcv1_chains_sx0) { + cl_dbg_verbose(cl_hw, + "Num of antennas [%u], is larger than LOLC Calibration File " + "num of antennas [%u], recalibration is needed\n", + num_antennas_tcv0, iq_dcoc_conf->iq_file_num_ant[TCV0]); + calib_needed = true; + } + } + + if (cl_chip_is_tcv1_enabled(chip)) { + u8 num_antennas_tcv1 = chip->cl_hw_tcv1->num_antennas; + + if (iq_dcoc_conf->iq_file_num_ant[TCV1] < num_antennas_tcv1) { + cl_dbg_verbose(cl_hw, + "Num of antennas [%u], is larger than LOLC Calibration File " + "num of antennas [%u], recalibration is needed\n", + num_antennas_tcv1, iq_dcoc_conf->iq_file_num_ant[TCV1]); + calib_needed = true; + } + } + + return calib_needed; +} + +void cl_calib_iq_init_calibration(struct cl_hw *cl_hw) +{ + struct cl_chip *chip = cl_hw->chip; + u8 fem_mode = cl_hw->fem_mode; + struct cl_iq_dcoc_conf *iq_dcoc_conf = &chip->iq_dcoc_conf; + struct cl_hw *cl_hw_tcv0 = chip->cl_hw_tcv0; + struct cl_hw *cl_hw_tcv1 = chip->cl_hw_tcv1; + struct cl_calib_iq_restore iq_restore_tcv0; + struct cl_calib_iq_restore iq_restore_tcv1; + u8 save_tcv0_needed = cl_hw_tcv0 && cl_hw_tcv0->primary_freq && + !chip->conf->ci_tcv1_chains_sx0; + u8 save_tcv1_needed = cl_hw_tcv1 && cl_hw_tcv1->primary_freq; + + if (save_tcv0_needed) + cl_calib_save_channel(cl_hw_tcv0, &iq_restore_tcv0); + + if (save_tcv1_needed) + cl_calib_save_channel(cl_hw_tcv1, &iq_restore_tcv1); + + cl_fem_set_iq_bypass(cl_hw); + cl_afe_cfg_calib(chip); + + if (cl_hw_tcv0 && + (chip->iq_dcoc_conf.force_calib || + (iq_dcoc_conf->iq_file_num_ant[TCV0] < cl_hw_tcv0->num_antennas && + !chip->conf->ci_tcv1_chains_sx0))) { + cl_calib_iq_init_calibration_tcv(cl_hw_tcv0); + } + + if (cl_hw_tcv1 && + (chip->iq_dcoc_conf.force_calib || + iq_dcoc_conf->iq_file_num_ant[TCV1] < cl_hw_tcv1->num_antennas)) { + cl_calib_iq_init_calibration_tcv(cl_hw_tcv1); + } + + cl_fem_iq_restore(cl_hw, fem_mode); + cl_afe_cfg_restore(chip); + + if (save_tcv0_needed) + cl_calib_restore_channel(cl_hw_tcv0, &iq_restore_tcv0); + + if (save_tcv1_needed) + cl_calib_restore_channel(cl_hw_tcv1, &iq_restore_tcv1); +} + +void cl_calib_iq_fill_data(struct cl_hw *cl_hw, struct cl_iq_calib *iq_data, + struct cl_iq_calib *iq_chip_data) +{ + u8 ant = 0; + + for (ant = 0; ant < MAX_ANTENNAS; ant++) { + iq_data[ant].coef0 = iq_chip_data[ant].coef0; + iq_data[ant].coef1 = iq_chip_data[ant].coef1; + iq_data[ant].coef2 = iq_chip_data[ant].coef2; + iq_data[ant].gain = iq_chip_data[ant].gain; + } +} + +void cl_calib_iq_lolc_fill_data(struct cl_hw *cl_hw, __le32 *iq_lolc) +{ + struct cl_calib_db *calib_db = &cl_hw->chip->calib_db; + u8 ant = 0; + u8 bw = cl_hw->bw; + u8 chan_idx = cl_calib_dcoc_channel_bw_to_idx(cl_hw, cl_hw->channel, bw); + u8 tcv_idx = cl_hw->tcv_idx; + u8 sx = cl_hw->sx_idx; + + for (ant = 0; ant < MAX_ANTENNAS; ant++) + iq_lolc[ant] = cpu_to_le32(calib_db->iq_tx_lolc[tcv_idx][chan_idx][bw][sx][ant]); +} + +void cl_calib_iq_handle_set_channel_cfm(struct cl_hw *cl_hw, u8 plan_bitmap) +{ + struct calib_cfm *dcoc_iq_cfm = + &cl_hw->iq_dcoc_data_info.iq_dcoc_data->dcoc_iq_cfm[CALIB_CFM_IQ]; + s16 calib_temperature = cl_calib_common_get_temperature(cl_hw, CALIB_CFM_IQ); + u8 channel = cl_hw->channel; + u8 bw = cl_hw->bw; + + CL_DBG(cl_hw, DBG_LVL_TRACE, "calib_temperature = %d, channel = %u, bw = %u\n", + calib_temperature, channel, bw); + + cl_calib_iq_handle_data(cl_hw, calib_temperature, channel, bw, plan_bitmap); + + /* + * Set the default status to FAIL, to ensure FW is actually changing the value, + * if the calibration succeeded. + */ + dcoc_iq_cfm->status = CALIB_FAIL; +} + +void cl_calib_iq_lolc_handle_set_channel_cfm(struct cl_hw *cl_hw, u8 plan_bitmap) +{ + struct calib_cfm *dcoc_iq_cfm = + &cl_hw->iq_dcoc_data_info.iq_dcoc_data->dcoc_iq_cfm[CALIB_CFM_IQ]; + s16 calib_temperature = cl_calib_common_get_temperature(cl_hw, CALIB_CFM_IQ); + u8 channel = cl_hw->channel; + u8 bw = cl_hw->bw; + + cl_dbg_trace(cl_hw, "calib_temperature = %d, channel = %u, bw = %u\n", calib_temperature, + channel, bw); + + cl_calib_iq_lolc_handle_data(cl_hw, calib_temperature, channel, bw, plan_bitmap); + cl_calib_iq_lolc_handle_report(cl_hw, calib_temperature, channel, bw, plan_bitmap); + + /* + * Set the default status to FAIL, to ensure FW is actually changing the value, + * if the calibration succeeded. + */ + dcoc_iq_cfm->status = CALIB_FAIL; +} + +void cl_calib_iq_get_tone_vector(struct cl_hw *cl_hw, __le16 *tone_vector) +{ + u8 tone = 0; + u8 *vector_ptr = NULL; + + switch (cl_hw->bw) { + case CHNL_BW_20: + vector_ptr = cl_hw->conf->ci_calib_conf_tone_vector_20bw; + break; + case CHNL_BW_40: + vector_ptr = cl_hw->conf->ci_calib_conf_tone_vector_40bw; + break; + case CHNL_BW_80: + vector_ptr = cl_hw->conf->ci_calib_conf_tone_vector_80bw; + break; + case CHNL_BW_160: + vector_ptr = cl_hw->conf->ci_calib_conf_tone_vector_160bw; + break; + default: + vector_ptr = cl_hw->conf->ci_calib_conf_tone_vector_20bw; + break; + } + + for (tone = 0; tone < IQ_NUM_TONES_REQ; tone++) + tone_vector[tone] = cpu_to_le16((u16)vector_ptr[tone]); +} + +void cl_calib_iq_init_production(struct cl_hw *cl_hw) +{ + struct cl_hw *cl_hw_other = NULL; + struct cl_chip *chip = cl_hw->chip; + + if (!cl_chip_is_both_enabled(chip) || + (cl_hw_is_tcv1(cl_hw) && chip->conf->ci_tcv1_chains_sx0)) { + if (cl_calib_iq_calibration_needed(cl_hw)) + cl_calib_iq_init_calibration(cl_hw); + return; + } + + cl_hw_other = cl_hw_other_tcv(cl_hw); + if (!cl_hw_other) + return; + + if (cl_hw_other->iq_cal_ready) { + cl_hw_other->iq_cal_ready = false; + cl_calib_iq_init_calibration(cl_hw); + } else if (cl_calib_iq_calibration_needed(cl_hw)) { + cl_hw->iq_cal_ready = true; + cl_dbg_verbose(cl_hw, "IQ Calibration needed. Wait for both TCVs before starting " + "calibration.\n"); + } +} + +/* + * CL80x0: TCV0 - 5g, TCV1 - 24g + * ============================================== + * 50 48 46 44 42 40 38 36 --> Start 5g + * 100 64 62 60 58 56 54 52 + * 116 114 112 110 108 106 104 102 + * 134 132 128 126 124 122 120 118 + * 153 151 149 144 142 140 138 136 + * 3 2 1 165 161 159 157 155 --> Start 24g + * 11 10 9 8 7 6 5 4 + * 14 13 12 + */ + +/* + * CL80x6: TCV0 - 6g, TCV1 - 5g + * ============================================== + * 25 21 17 13 9 5 2 1 --> Start 6g + * 57 53 49 45 41 37 33 29 + * 89 85 81 77 73 69 65 61 + * 121 117 113 109 105 101 97 93 + * 153 147 143 139 135 131 127 123 + * 185 181 177 173 169 165 161 157 + * 217 213 209 205 201 197 193 189 + * 42 40 38 36 233 229 225 221 --> Start 5g + * 58 56 54 52 50 48 46 44 + * 108 106 104 102 100 64 62 60 + * 124 122 120 118 116 114 112 110 + * 142 140 138 136 134 132 128 126 + * 161 159 157 155 153 151 149 144 + * 165 + */ + +#define BITMAP_80X0_START_TCV0 0 +#define BITMAP_80X0_MAX_TCV0 NUM_CHANNELS_5G + +#define BITMAP_80X0_START_TCV1 NUM_CHANNELS_5G +#define BITMAP_80X0_MAX_TCV1 (NUM_CHANNELS_5G + NUM_CHANNELS_24G) + +#define BITMAP_80X6_START_TCV0 0 +#define BITMAP_80X6_MAX_TCV0 NUM_BITMAP_CHANNELS_6G + +#define BITMAP_80X6_START_TCV1 NUM_BITMAP_CHANNELS_6G +#define BITMAP_80X6_MAX_TCV1 (NUM_BITMAP_CHANNELS_6G + NUM_CHANNELS_5G) + +#define INVALID_ADDR 0xffff + +static u8 cl_get_bitmap_start_tcv1(struct cl_chip *chip) +{ + if (cl_chip_is_6g(chip)) + return BITMAP_80X6_START_TCV1; + else + return BITMAP_80X0_START_TCV1; +} + +static u8 cl_idx_to_arr_offset(u8 idx) +{ + /* Divide by 8 for array index */ + return idx >> 3; +} + +static u8 cl_idx_to_bit_offset(u8 idx) +{ + /* Reminder is for bit index (assummed array of u8) */ + return idx & 0x07; +} + +static const u8 bits_cnt_table256[] = { + 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4, + 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, + 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, + 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, + 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, + 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, + 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, + 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, + 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, + 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, + 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, + 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, + 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, + 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, + 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, + 4, 5, 5, 6, 5, 6, 6, 7, 5, 6, 6, 7, 6, 7, 7, 8 +}; + +static bool cl_is_vector_unset(const u8 *bitmap) +{ + /* Check bitmap is unset i.e. all values are CURR_BMP_UNSET */ + u8 empty_bitmap[BIT_MAP_SIZE] = {0}; + + return !memcmp(bitmap, empty_bitmap, BIT_MAP_SIZE); +} + +static bool cl_bitmap_test_bit_idx(const u8 *bitmap, u8 idx) +{ + /* Check bit at a given index is set i.e. 1 */ + u8 arr_idx = cl_idx_to_arr_offset(idx), bit_idx = cl_idx_to_bit_offset(idx); + + if (arr_idx >= BIT_MAP_SIZE) + return false; + + /* Convert non-zero to true and zero to false */ + return !!(bitmap[arr_idx] & BIT(bit_idx)); +} + +static void cl_bitmap_shift(u8 *bitmap, u8 shft) +{ + /* Shifts an array of byte of size len by shft number of bits to the left */ + u8 bitmap_tmp[BIT_MAP_SIZE] = {0}; + u8 msb_shifts = shft % 8; + u8 lsb_shifts = 8 - msb_shifts; + u8 byte_shift = shft / 8; + u8 last_byte = BIT_MAP_SIZE - byte_shift - 1; + u8 msb_idx; + u8 i; + + memcpy(bitmap_tmp, bitmap, BIT_MAP_SIZE); + memset(bitmap, 0, BIT_MAP_SIZE); + + for (i = 0; i < BIT_MAP_SIZE; i++) { + if (i <= last_byte) { + msb_idx = i + byte_shift; + bitmap[i] = bitmap_tmp[msb_idx] >> msb_shifts; + if (i != last_byte) + bitmap[i] |= bitmap_tmp[msb_idx + 1] << lsb_shifts; + } + } +} + +static bool cl_bitmap_set_bit_idx(struct cl_hw *cl_hw, u8 *bitmap, u8 bitmap_size, u8 idx) +{ + /* Set bit at a given index */ + u8 arr_idx = cl_idx_to_arr_offset(idx), bit_idx = cl_idx_to_bit_offset(idx); + + if (arr_idx >= bitmap_size) { + cl_dbg_err(cl_hw, "invalid arr_idx (%u)\n", arr_idx); + return false; + } + + bitmap[arr_idx] |= BIT(bit_idx); + return true; +} + +static u16 cl_bitmap_look_lsb_up(struct cl_hw *cl_hw, u8 *bitmap, u16 idx, bool ext) +{ + /* Find closest set bit with index higher than idx inside bitmap */ + u16 curr_idx = idx; + u8 curr = 0; + u32 chan_num = ext ? NUM_EXT_CHANNELS_6G : cl_channel_num(cl_hw); + + while (++curr_idx < chan_num) { + curr = bitmap[cl_idx_to_arr_offset(curr_idx)]; + if (curr & (1ULL << cl_idx_to_bit_offset(curr_idx))) + return curr_idx; + } + + /* No matching bit found - return original index */ + return idx; +} + +static u16 bitmap_look_msb_down(struct cl_hw *cl_hw, u8 *bitmap, u16 idx, bool ext) +{ + /* Find closest set bit with index lower than idx inside bitmap */ + u16 curr_idx = idx; + u8 curr = 0; + u32 chan_num = ext ? NUM_EXT_CHANNELS_6G : cl_channel_num(cl_hw); + + if (idx >= chan_num) { + cl_dbg_err(cl_hw, "Invalid channel index [%u]\n", idx); + return idx; + } + + while (curr_idx-- != 0) { + curr = bitmap[cl_idx_to_arr_offset(curr_idx)]; + if (curr & (1ULL << cl_idx_to_bit_offset(curr_idx))) + return curr_idx; + } + + /* No matching bit found - return original index */ + return idx; +} + +static u8 cl_address_offset_tcv1(struct cl_hw *cl_hw) +{ + /* Calculate eeprom calibration data offset for tcv1 */ + struct cl_chip *chip = cl_hw->chip; + u8 i, cnt = 0; + u8 bitmap[BIT_MAP_SIZE] = {0}; + + if (cl_e2p_read(chip, bitmap, BIT_MAP_SIZE, ADDR_CALIB_POWER_CHAN_BMP)) + return 0; + + for (i = 0; i < cl_get_bitmap_start_tcv1(chip); i++) + cnt += cl_bitmap_test_bit_idx(bitmap, i); + + return cnt; +} + +static int cl_point_idx_to_address(struct cl_hw *cl_hw, u8 *bitmap, struct point *pt) +{ + /* Calculate eeprom address for a given idx and phy (initiated point) */ + u8 i, cnt = 0; + + pt->addr = INVALID_ADDR; + + if (!cl_bitmap_test_bit_idx(bitmap, pt->idx)) + return 0; + + if (pt->phy >= MAX_ANTENNAS) { + cl_dbg_err(cl_hw, "Invalid phy number %u", pt->phy); + return -EINVAL; + } + + for (i = 0; i < pt->idx; i++) + cnt += cl_bitmap_test_bit_idx(bitmap, i); + + if (cl_hw_is_tcv1(cl_hw)) + cnt += cl_address_offset_tcv1(cl_hw); + + pt->addr = ADDR_CALIB_POWER_PHY + + sizeof(struct eeprom_phy_calib) * (cnt * MAX_ANTENNAS + pt->phy); + + return 0; +} + +static bool cl_linear_equation_signed(struct cl_hw *cl_hw, const u16 x, s8 *y, + const u16 x0, const s8 y0, const u16 x1, const s8 y1) +{ + /* Calculate y given to points (x0,y0) and (x1,y1) and x */ + s32 numerator = (x - x0) * (y1 - y0); + s32 denominator = x1 - x0; + + if (unlikely(!denominator)) { + cl_dbg_err(cl_hw, "zero denominator\n"); + return false; + } + + *y = (s8)(y0 + DIV_ROUND_CLOSEST(numerator, denominator)); + + return true; +} + +static void cl_extend_bitmap_6g(struct cl_hw *cl_hw, u8 *bitmap, u8 *ext_bitmap) +{ + u8 i, ext_idx; + + for (i = 0; i < cl_channel_num(cl_hw); ++i) { + if (cl_bitmap_test_bit_idx(bitmap, i)) { + ext_idx = CHAN_BITMAP_IDX_6G_2_EXT_IDX(i); + cl_bitmap_set_bit_idx(cl_hw, ext_bitmap, EXT_BIT_MAP_SIZE, ext_idx); + } + } +} + +static bool cl_calculate_calib(struct cl_hw *cl_hw, u8 *bitmap, + struct point *p0, struct point *p1, struct point *p2) +{ + /* Main interpolation/extrapolation function */ + bool calc_succsess = false, use_ext = false; + u16 freq0, freq1, freq2; + u8 e2p_ext_bitmap[EXT_BIT_MAP_SIZE] = {0}; + u8 *bitmap_to_use = bitmap; + + if (unlikely(cl_is_vector_unset(bitmap))) + return false; + + /* + * In case that the band is 6g and the channel index wasn't found, it might be because + * the channel is missing from the original bitmap (that includes only 20MHz channels). + * In case of center channels in 40/180/160MHz, it can't be found in the original bitmap + * and therefore we need to extend the bitmap to include these channels in order to perform + * interpolation on it. + */ + if (cl_band_is_6g(cl_hw) && p0->idx == INVALID_CHAN_IDX) { + p0->idx = cl_channel_to_ext_index_6g(cl_hw, p0->chan); + cl_extend_bitmap_6g(cl_hw, bitmap, e2p_ext_bitmap); + bitmap_to_use = e2p_ext_bitmap; + use_ext = true; + } + + p1->idx = cl_bitmap_look_lsb_up(cl_hw, bitmap_to_use, p0->idx, use_ext); + p2->idx = bitmap_look_msb_down(cl_hw, bitmap_to_use, p0->idx, use_ext); + + /* Invalid case */ + if (p1->idx == p0->idx && p2->idx == p0->idx) { + cl_dbg_err(cl_hw, "Invalid index %u or bad bit map\n", p0->idx); + return false; + } + + /* Extrapolation case */ + if (p1->idx == p0->idx) + p1->idx = bitmap_look_msb_down(cl_hw, bitmap_to_use, p2->idx, use_ext); + if (p2->idx == p0->idx) + p2->idx = cl_bitmap_look_lsb_up(cl_hw, bitmap_to_use, p1->idx, use_ext); + + if (use_ext) { + /* Convert indices from extended bitmap to eeprom bitmap */ + p1->idx = CHAN_EXT_IDX_6G_2_BITMAP_IDX(p1->idx); + p2->idx = CHAN_EXT_IDX_6G_2_BITMAP_IDX(p2->idx); + } + + /* Address from index */ + if (cl_point_idx_to_address(cl_hw, bitmap, p1) || p1->addr == INVALID_ADDR) { + cl_dbg_err(cl_hw, "Point calculation failed\n"); + return false; + } + + if (cl_point_idx_to_address(cl_hw, bitmap, p2) || p2->addr == INVALID_ADDR) { + cl_dbg_err(cl_hw, "Point calculation failed\n"); + return false; + } + + /* Read from eeprom */ + if (cl_e2p_read(cl_hw->chip, (u8 *)&p1->calib, sizeof(struct eeprom_phy_calib), p1->addr)) + return false; + + /* No interpolation required */ + if (p1->addr == p2->addr) { + p0->calib = p1->calib; + return true; + } + + /* Interpolation or extrapolation is required - read from eeprom */ + if (cl_e2p_read(cl_hw->chip, (u8 *)&p2->calib, sizeof(struct eeprom_phy_calib), p2->addr)) + return false; + + freq0 = (use_ext ? cl_channel_ext_idx_to_freq_6g(cl_hw, p0->idx) : + cl_channel_idx_to_freq(cl_hw, p0->idx)); + freq1 = cl_channel_idx_to_freq(cl_hw, p1->idx); + freq2 = cl_channel_idx_to_freq(cl_hw, p2->idx); + + /* Interpolate/extrapolate target power */ + calc_succsess = cl_linear_equation_signed(cl_hw, + freq0, &p0->calib.pow, + freq1, p1->calib.pow, + freq2, p2->calib.pow); + + /* Interpolate/extrapolate power offset */ + calc_succsess = calc_succsess && cl_linear_equation_signed(cl_hw, + freq0, &p0->calib.offset, + freq1, p1->calib.offset, + freq2, p2->calib.offset); + + /* Interpolate/extrapolate calibration temperature */ + calc_succsess = calc_succsess && cl_linear_equation_signed(cl_hw, + freq0, &p0->calib.tmp, + freq1, p1->calib.tmp, + freq2, p2->calib.tmp); + + if (unlikely(!calc_succsess)) { + cl_dbg_err(cl_hw, + "Calc failed: freq0 %u idx0 %u%s, freq1 %u idx1 %u, freq2 %u idx2 %u\n", + freq0, p0->idx, use_ext ? " (ext)" : "", + freq1, p1->idx, freq2, p2->idx); + return false; + } + + return true; +} + +static int cl_read_validate_vector_bitmap(struct cl_hw *cl_hw, u8 *bitmap) +{ + struct cl_chip *chip = cl_hw->chip; + + if (cl_e2p_read(chip, bitmap, BIT_MAP_SIZE, ADDR_CALIB_POWER_CHAN_BMP)) + return -1; + + /* Test if e2p was read succsefull since it is not ALL EMPTY */ + if (cl_is_vector_unset(bitmap)) { + cl_dbg_err(cl_hw, "Vector not ready\n"); + return -EPERM; + } + + if (cl_hw_is_tcv1(cl_hw)) { + u8 bitmap_start = cl_get_bitmap_start_tcv1(chip); + + cl_bitmap_shift(bitmap, bitmap_start); + } + + return 0; +} + +static int cl_read_or_interpolate_point(struct cl_hw *cl_hw, u8 *bitmap, struct point *p0) +{ + struct point p1 = {.phy = p0->phy}; + struct point p2 = {.phy = p0->phy}; + struct point tmp_pt = *p0; + + /* Invalid address = no physical address was allocated to this channel */ + if (tmp_pt.addr != INVALID_ADDR) { + if (cl_e2p_read(cl_hw->chip, (u8 *)&tmp_pt.calib, + sizeof(struct eeprom_phy_calib), tmp_pt.addr)) + return -1; + } else { + /* Interpolate */ + if (!cl_calculate_calib(cl_hw, bitmap, &tmp_pt, &p1, &p2)) { + cl_dbg_err(cl_hw, "Interpolation Error\n"); + return -EFAULT; + } + } + + if (tmp_pt.calib.pow == 0 && tmp_pt.calib.offset == 0 && tmp_pt.calib.tmp == 0) { + u16 freq = ieee80211_channel_to_frequency(tmp_pt.chan, cl_hw->nl_band); + + cl_dbg_err(cl_hw, "Verify calibration point: addr %x, idx %u, freq %u, phy %u\n", + tmp_pt.addr, tmp_pt.idx, freq, tmp_pt.phy); + /* *Uninitiated eeprom value */ + return -EINVAL; + } + + /* Now p0 will contain "Valid" calculations of calib" */ + p0->calib = tmp_pt.calib; + return 0; +} + +static void cl_calib_power_reset(struct cl_hw *cl_hw) +{ + u8 ch_idx; + u16 phy; + u32 chan_num = cl_band_is_6g(cl_hw) ? NUM_EXT_CHANNELS_6G : cl_channel_num(cl_hw); + static const struct cl_tx_power_info default_info = { + .power = UNCALIBRATED_POWER, + .offset = UNCALIBRATED_POWER_OFFSET, + .temperature = UNCALIBRATED_TEMPERATURE + }; + + /* Initiate tx_pow_info struct to default values */ + for (ch_idx = 0; ch_idx < chan_num; ch_idx++) + for (phy = 0; phy < MAX_ANTENNAS; phy++) + cl_hw->tx_pow_info[ch_idx][phy] = default_info; +} + +static void cl_calib_fill_power_info(struct cl_hw *cl_hw, u8 chan_idx, u8 ant, + struct point *point) +{ + cl_hw->tx_pow_info[chan_idx][ant].power = point->calib.pow; + cl_hw->tx_pow_info[chan_idx][ant].offset = point->calib.offset; + cl_hw->tx_pow_info[chan_idx][ant].temperature = point->calib.tmp; +} + +#define PHY0_OFFSET_FIX_Q2 -8 /* -2db */ +#define PHY3_OFFSET_FIX_Q2 14 /* +3.5db */ + +static void cl_calib_phy_offset_adjust(struct cl_hw *cl_hw, u8 eeprom_version, + u8 phy, struct point *point) +{ + /* + * Work around: + * Add 3.5dB offset to PHY3 if EEPROM version is 0. + * Decrease 2dB offset to all PHYs if EEPROM version is 1. + */ + if (!cl_chip_is_6g(cl_hw->chip)) { + if (cl_band_is_5g(cl_hw) && eeprom_version == 0 && phy == 3) + point->calib.offset += PHY3_OFFSET_FIX_Q2; + else if (cl_band_is_24g(cl_hw) && eeprom_version == 1) + point->calib.offset += PHY0_OFFSET_FIX_Q2; + } +} + +void cl_calib_power_read(struct cl_hw *cl_hw) +{ + struct cl_chip *chip = cl_hw->chip; + int ret; + u8 bitmap[BIT_MAP_SIZE] = {0}; + struct point curr_point = {0}; + u8 *phy = &curr_point.phy; + u8 *ch_idx = &curr_point.idx; + u8 ext_chan_idx = 0; + u8 ant; + u8 eeprom_version = chip->eeprom_cache->general.version; + u32 tmp_freq = 0; + + /* Initiate tx_pow_info struct to default values */ + cl_calib_power_reset(cl_hw); + + /* Vector not initiated set table to default values */ + if (unlikely(cl_read_validate_vector_bitmap(cl_hw, bitmap))) { + cl_dbg_trace(cl_hw, "initiate to default values\n"); + return; + } + + /* Perform only on calibrated boards - cl_read_validate_vector_bitmap succeeded (0) */ + for (*ch_idx = 0; *ch_idx < cl_channel_num(cl_hw); (*ch_idx)++) { + for (ant = 0; ant < MAX_ANTENNAS; ant++) { + if (!(cl_hw->mask_num_antennas & BIT(ant))) + continue; + + /* + * In old eeprom versions (< 3) power info was saved in eeprom + * per riu chain (unintentionally) so we need to fetch it accordingly + */ + if (eeprom_version < 3) + *phy = cl_hw_ant_to_riu_chain(cl_hw, ant); + else + *phy = ant; + + ret = cl_point_idx_to_address(cl_hw, bitmap, &curr_point); + + if (ret) { + /* Don't overwrite default values */ + cl_dbg_err(cl_hw, "point idx to address failed\n"); + continue; + } + + if (cl_band_is_6g(cl_hw)) { + tmp_freq = cl_channel_idx_to_freq(cl_hw, *ch_idx); + curr_point.chan = ieee80211_frequency_to_channel(tmp_freq); + } + + ret = cl_read_or_interpolate_point(cl_hw, bitmap, &curr_point); + /* Unable to calculate new value ==> DON'T overwrite default values */ + if (unlikely(ret)) + continue; + + cl_calib_phy_offset_adjust(cl_hw, eeprom_version, *phy, &curr_point); + + if (cl_band_is_6g(cl_hw)) + ext_chan_idx = CHAN_BITMAP_IDX_6G_2_EXT_IDX(*ch_idx); + else + ext_chan_idx = *ch_idx; + + cl_calib_fill_power_info(cl_hw, ext_chan_idx, ant, &curr_point); + } + } + + if (!cl_band_is_6g(cl_hw)) + goto calib_read_out; + + /* + * Fill info for channels that are missing from the original bitmap, which are the + * center channels in 40/180/160MHz (channels 3, 7, 11, etc..). + */ + for (ext_chan_idx = 0; ext_chan_idx < NUM_EXT_CHANNELS_6G; ext_chan_idx++) { + /* Skip channels that were already filled above */ + tmp_freq = cl_channel_ext_idx_to_freq_6g(cl_hw, ext_chan_idx); + + /* Chan field needs to be updated before calling to cl_read_or_interpolate_point */ + curr_point.chan = ieee80211_frequency_to_channel(tmp_freq); + + /* If the channel is found in the bitmap - we already handled it above */ + if (cl_channel_to_bitmap_index(cl_hw, curr_point.chan) != INVALID_CHAN_IDX) + continue; + + for (ant = 0; ant < MAX_ANTENNAS; ant++) { + if (!(cl_hw->mask_num_antennas & BIT(ant))) + continue; + + /* + * In old eeprom versions (< 3) power info was saved in eeprom + * per riu chain (unintentionally) so we need to fetch it accordingly + */ + if (eeprom_version < 3) + *phy = cl_hw_ant_to_riu_chain(cl_hw, ant); + else + *phy = ant; + + /* + * Addr and idx fields needs to be invalid to successfully interpolate the + * power info on the extended eeprom bitmap. + */ + curr_point.addr = INVALID_ADDR; + curr_point.idx = INVALID_CHAN_IDX; + + ret = cl_read_or_interpolate_point(cl_hw, bitmap, &curr_point); + + /* Unable to calculate new value ==> DON'T overwrite default values */ + if (unlikely(ret)) + continue; + + cl_calib_fill_power_info(cl_hw, ext_chan_idx, ant, &curr_point); + } + } +calib_read_out: + cl_dbg_trace(cl_hw, "Created tx_pow_info\n"); +} + +void cl_calib_power_offset_fill(struct cl_hw *cl_hw, u8 channel, + u8 bw, u8 offset[MAX_ANTENNAS]) +{ + u8 i, chain; + u8 chan_idx = cl_channel_to_index(cl_hw, cl_hw->channel); + s8 pow_offset; + s8 signed_offset; + + if (chan_idx == INVALID_CHAN_IDX) + return; + + for (i = 0; i < MAX_ANTENNAS; i++) { + if (!(cl_hw->mask_num_antennas & BIT(i))) + continue; + + pow_offset = cl_hw->tx_pow_info[chan_idx][i].offset; + signed_offset = cl_power_offset_check_margin(cl_hw, bw, i, pow_offset); + chain = cl_hw_ant_to_riu_chain(cl_hw, i); + offset[chain] = cl_convert_signed_to_reg_value(signed_offset); + } +} + +struct cl_runtime_work { + struct work_struct ws; + struct cl_hw *cl_hw; + u32 channel; + u8 bw; + u16 primary; + u16 center; +}; + +static int _cl_calib_runtime_and_switch_channel(struct cl_hw *cl_hw, u32 channel, u8 bw, + u16 primary, u16 center, + struct cl_calib_params calib_params) +{ + struct cl_chip *chip = cl_hw->chip; + struct cl_calib_iq_restore iq_restore_other_tcv; + struct cl_hw *cl_hw_other = cl_hw_other_tcv(cl_hw); + int ret = 0; + u8 fem_mode = cl_hw->fem_mode; + u8 save_other_tcv_needed = cl_chip_is_both_enabled(chip) && cl_hw_other && + !!cl_hw_other->primary_freq; + + cl_hw->calib_runtime_needed = false; + + if (save_other_tcv_needed) + cl_calib_save_channel(cl_hw_other, &iq_restore_other_tcv); + + if (cl_chip_is_both_enabled(chip)) { + ret = cl_calib_iq_set_idle(cl_hw, true); + if (ret) + return ret; + } + + cl_fem_set_iq_bypass(cl_hw); + cl_afe_cfg_calib(chip); + + /* Calibration by the default values */ + if (cl_msg_tx_set_channel(cl_hw, channel, bw, primary, center, calib_params)) { + cl_dbg_chip_err(cl_hw, "Failed to calibrate channel %u, bw %u\n", + channel, bw); + ret = -1; + } + + cl_fem_iq_restore(cl_hw, fem_mode); + cl_afe_cfg_restore(chip); + + if (save_other_tcv_needed) + cl_calib_restore_channel(cl_hw_other, &iq_restore_other_tcv); + + /* Set channel to load the new calib data */ + ret += cl_msg_tx_set_channel(cl_hw, channel, bw, primary, center, + CL_CALIB_PARAMS_DEFAULT_STRUCT); + + if (cl_chip_is_both_enabled(chip)) + cl_calib_iq_set_idle(cl_hw, false); + + return ret; +} + +static void cl_calib_runtime_work_handler(struct work_struct *ws) +{ + struct cl_runtime_work *runtime_work = container_of(ws, struct cl_runtime_work, ws); + + cl_calib_runtime_and_switch_channel(runtime_work->cl_hw, runtime_work->channel, + runtime_work->bw, runtime_work->primary, + runtime_work->center); + + kfree(runtime_work); +} + +static bool cl_calib_runtime_is_channel_calibrated(struct cl_hw *cl_hw, u8 channel, u8 bw) +{ + int chain, lna; + u8 chan_idx = cl_calib_dcoc_channel_bw_to_idx(cl_hw, channel, bw); + u8 tcv_idx = cl_hw->tcv_idx; + u8 sx = cl_hw->sx_idx; + + riu_chain_for_each(chain) { + if (!cl_hw->chip->calib_db.iq_tx[tcv_idx][chan_idx][bw][sx][chain].gain && + !cl_hw->chip->calib_db.iq_tx[tcv_idx][chan_idx][bw][sx][chain].coef0 && + !cl_hw->chip->calib_db.iq_tx[tcv_idx][chan_idx][bw][sx][chain].coef1 && + !cl_hw->chip->calib_db.iq_tx[tcv_idx][chan_idx][bw][sx][chain].coef2) { + cl_dbg_trace(cl_hw, "IQ TX calibration data is missing\n"); + return false; + } + + if (!cl_hw->chip->calib_db.iq_rx[tcv_idx][chan_idx][bw][sx][chain].gain && + !cl_hw->chip->calib_db.iq_rx[tcv_idx][chan_idx][bw][sx][chain].coef0 && + !cl_hw->chip->calib_db.iq_rx[tcv_idx][chan_idx][bw][sx][chain].coef1 && + !cl_hw->chip->calib_db.iq_rx[tcv_idx][chan_idx][bw][sx][chain].coef2) { + cl_dbg_trace(cl_hw, "IQ RX calibration data is missing\n"); + return false; + } + + if (!cl_hw->chip->calib_db.iq_tx_lolc[tcv_idx][chan_idx][bw][sx][chain]) { + cl_dbg_trace(cl_hw, "LOLC calibration data is missing\n"); + return false; + } + } + + for (lna = 0; lna < DCOC_LNA_GAIN_NUM; lna++) { + riu_chain_for_each(chain) { + if (!cl_hw->chip->calib_db.dcoc[tcv_idx][chan_idx][bw][sx][chain][lna].i && + !cl_hw->chip->calib_db.dcoc[tcv_idx][chan_idx][bw][sx][chain][lna].q) { + cl_dbg_trace(cl_hw, "DCOC calibration data is missing\n"); + return false; + } + } + } + + /* If all the calibration data of channel exist */ + return true; +} + +bool cl_calib_runtime_is_allowed(struct cl_hw *cl_hw) +{ + if (!cl_hw) + return false; + + if (cl_hw->scanner && cl_is_scan_in_progress(cl_hw->scanner)) + return false; + + return true; +} + +void cl_calib_runtime_work(struct cl_hw *cl_hw, u32 channel, u8 bw, u16 primary, + u16 center) +{ + struct cl_runtime_work *runtime_work = kzalloc(sizeof(*runtime_work), GFP_ATOMIC); + + if (!runtime_work) + return; + + runtime_work->cl_hw = cl_hw; + runtime_work->channel = channel; + runtime_work->bw = bw; + runtime_work->primary = primary; + runtime_work->center = center; + INIT_WORK(&runtime_work->ws, cl_calib_runtime_work_handler); + queue_work(cl_hw->drv_workqueue, (struct work_struct *)(&runtime_work->ws)); +} + +int cl_calib_runtime_and_switch_channel(struct cl_hw *cl_hw, u32 channel, u8 bw, u32 primary, + u32 center) +{ + struct cl_chip *chip = cl_hw->chip; + struct cl_hw *cl_hw_other = cl_hw_other_tcv(cl_hw); + struct cl_calib_params calib_params = {SET_CHANNEL_MODE_CALIB, false, SX_FREQ_OFFSET_Q2, 0}; + int ret = 0; + bool calib_needed = (cl_hw->chip->conf->ci_calib_runtime_force || + !cl_calib_runtime_is_channel_calibrated(cl_hw, channel, bw)) && + !cl_hw->sw_scan_in_progress; + + mutex_lock(&cl_hw->chip->calib_runtime_mutex); + + if (!calib_needed || !cl_calib_runtime_is_allowed(cl_hw) || + (cl_chip_is_both_enabled(chip) && !cl_calib_runtime_is_allowed(cl_hw_other))) { + if (calib_needed) + cl_hw->calib_runtime_needed = true; + + /* Switch channel without calibration */ + ret = cl_msg_tx_set_channel(cl_hw, channel, bw, primary, center, + CL_CALIB_PARAMS_DEFAULT_STRUCT); + mutex_unlock(&cl_hw->chip->calib_runtime_mutex); + + return ret; + } + + /* Convert ant to riu chain in the calib plan_bitmap */ + calib_params.plan_bitmap = cl_hw_ant_mask_to_riu_chain_mask(cl_hw, + cl_hw->mask_num_antennas); + + /* This mutex needs to be held during the whole calibration process */ + mutex_lock(&cl_hw->chip->set_idle_mutex); + ret = _cl_calib_runtime_and_switch_channel(cl_hw, channel, bw, primary, center, + calib_params); + mutex_unlock(&cl_hw->chip->set_idle_mutex); + + mutex_unlock(&cl_hw->chip->calib_runtime_mutex); + + return ret; +} + -- 2.36.1