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- // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
- /* Copyright(c) 2018-2019 Realtek Corporation
- */
- #include <linux/bcd.h>
- #include "main.h"
- #include "reg.h"
- #include "fw.h"
- #include "phy.h"
- #include "debug.h"
- #include "regd.h"
- #include "sar.h"
- struct phy_cfg_pair {
- u32 addr;
- u32 data;
- };
- union phy_table_tile {
- struct rtw_phy_cond cond;
- struct phy_cfg_pair cfg;
- };
- static const u32 db_invert_table[12][8] = {
- {10, 13, 16, 20,
- 25, 32, 40, 50},
- {64, 80, 101, 128,
- 160, 201, 256, 318},
- {401, 505, 635, 800,
- 1007, 1268, 1596, 2010},
- {316, 398, 501, 631,
- 794, 1000, 1259, 1585},
- {1995, 2512, 3162, 3981,
- 5012, 6310, 7943, 10000},
- {12589, 15849, 19953, 25119,
- 31623, 39811, 50119, 63098},
- {79433, 100000, 125893, 158489,
- 199526, 251189, 316228, 398107},
- {501187, 630957, 794328, 1000000,
- 1258925, 1584893, 1995262, 2511886},
- {3162278, 3981072, 5011872, 6309573,
- 7943282, 1000000, 12589254, 15848932},
- {19952623, 25118864, 31622777, 39810717,
- 50118723, 63095734, 79432823, 100000000},
- {125892541, 158489319, 199526232, 251188643,
- 316227766, 398107171, 501187234, 630957345},
- {794328235, 1000000000, 1258925412, 1584893192,
- 1995262315, 2511886432U, 3162277660U, 3981071706U}
- };
- u8 rtw_cck_rates[] = { DESC_RATE1M, DESC_RATE2M, DESC_RATE5_5M, DESC_RATE11M };
- u8 rtw_ofdm_rates[] = {
- DESC_RATE6M, DESC_RATE9M, DESC_RATE12M,
- DESC_RATE18M, DESC_RATE24M, DESC_RATE36M,
- DESC_RATE48M, DESC_RATE54M
- };
- u8 rtw_ht_1s_rates[] = {
- DESC_RATEMCS0, DESC_RATEMCS1, DESC_RATEMCS2,
- DESC_RATEMCS3, DESC_RATEMCS4, DESC_RATEMCS5,
- DESC_RATEMCS6, DESC_RATEMCS7
- };
- u8 rtw_ht_2s_rates[] = {
- DESC_RATEMCS8, DESC_RATEMCS9, DESC_RATEMCS10,
- DESC_RATEMCS11, DESC_RATEMCS12, DESC_RATEMCS13,
- DESC_RATEMCS14, DESC_RATEMCS15
- };
- u8 rtw_vht_1s_rates[] = {
- DESC_RATEVHT1SS_MCS0, DESC_RATEVHT1SS_MCS1,
- DESC_RATEVHT1SS_MCS2, DESC_RATEVHT1SS_MCS3,
- DESC_RATEVHT1SS_MCS4, DESC_RATEVHT1SS_MCS5,
- DESC_RATEVHT1SS_MCS6, DESC_RATEVHT1SS_MCS7,
- DESC_RATEVHT1SS_MCS8, DESC_RATEVHT1SS_MCS9
- };
- u8 rtw_vht_2s_rates[] = {
- DESC_RATEVHT2SS_MCS0, DESC_RATEVHT2SS_MCS1,
- DESC_RATEVHT2SS_MCS2, DESC_RATEVHT2SS_MCS3,
- DESC_RATEVHT2SS_MCS4, DESC_RATEVHT2SS_MCS5,
- DESC_RATEVHT2SS_MCS6, DESC_RATEVHT2SS_MCS7,
- DESC_RATEVHT2SS_MCS8, DESC_RATEVHT2SS_MCS9
- };
- u8 *rtw_rate_section[RTW_RATE_SECTION_MAX] = {
- rtw_cck_rates, rtw_ofdm_rates,
- rtw_ht_1s_rates, rtw_ht_2s_rates,
- rtw_vht_1s_rates, rtw_vht_2s_rates
- };
- EXPORT_SYMBOL(rtw_rate_section);
- u8 rtw_rate_size[RTW_RATE_SECTION_MAX] = {
- ARRAY_SIZE(rtw_cck_rates),
- ARRAY_SIZE(rtw_ofdm_rates),
- ARRAY_SIZE(rtw_ht_1s_rates),
- ARRAY_SIZE(rtw_ht_2s_rates),
- ARRAY_SIZE(rtw_vht_1s_rates),
- ARRAY_SIZE(rtw_vht_2s_rates)
- };
- EXPORT_SYMBOL(rtw_rate_size);
- static const u8 rtw_cck_size = ARRAY_SIZE(rtw_cck_rates);
- static const u8 rtw_ofdm_size = ARRAY_SIZE(rtw_ofdm_rates);
- static const u8 rtw_ht_1s_size = ARRAY_SIZE(rtw_ht_1s_rates);
- static const u8 rtw_ht_2s_size = ARRAY_SIZE(rtw_ht_2s_rates);
- static const u8 rtw_vht_1s_size = ARRAY_SIZE(rtw_vht_1s_rates);
- static const u8 rtw_vht_2s_size = ARRAY_SIZE(rtw_vht_2s_rates);
- enum rtw_phy_band_type {
- PHY_BAND_2G = 0,
- PHY_BAND_5G = 1,
- };
- static void rtw_phy_cck_pd_init(struct rtw_dev *rtwdev)
- {
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- u8 i, j;
- for (i = 0; i <= RTW_CHANNEL_WIDTH_40; i++) {
- for (j = 0; j < RTW_RF_PATH_MAX; j++)
- dm_info->cck_pd_lv[i][j] = CCK_PD_LV0;
- }
- dm_info->cck_fa_avg = CCK_FA_AVG_RESET;
- }
- void rtw_phy_set_edcca_th(struct rtw_dev *rtwdev, u8 l2h, u8 h2l)
- {
- struct rtw_hw_reg_offset *edcca_th = rtwdev->chip->edcca_th;
- rtw_write32_mask(rtwdev,
- edcca_th[EDCCA_TH_L2H_IDX].hw_reg.addr,
- edcca_th[EDCCA_TH_L2H_IDX].hw_reg.mask,
- l2h + edcca_th[EDCCA_TH_L2H_IDX].offset);
- rtw_write32_mask(rtwdev,
- edcca_th[EDCCA_TH_H2L_IDX].hw_reg.addr,
- edcca_th[EDCCA_TH_H2L_IDX].hw_reg.mask,
- h2l + edcca_th[EDCCA_TH_H2L_IDX].offset);
- }
- EXPORT_SYMBOL(rtw_phy_set_edcca_th);
- void rtw_phy_adaptivity_set_mode(struct rtw_dev *rtwdev)
- {
- const struct rtw_chip_info *chip = rtwdev->chip;
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- /* turn off in debugfs for debug usage */
- if (!rtw_edcca_enabled) {
- dm_info->edcca_mode = RTW_EDCCA_NORMAL;
- rtw_dbg(rtwdev, RTW_DBG_PHY, "EDCCA disabled, cannot be set\n");
- return;
- }
- switch (rtwdev->regd.dfs_region) {
- case NL80211_DFS_ETSI:
- dm_info->edcca_mode = RTW_EDCCA_ADAPTIVITY;
- dm_info->l2h_th_ini = chip->l2h_th_ini_ad;
- break;
- case NL80211_DFS_JP:
- dm_info->edcca_mode = RTW_EDCCA_ADAPTIVITY;
- dm_info->l2h_th_ini = chip->l2h_th_ini_cs;
- break;
- default:
- dm_info->edcca_mode = RTW_EDCCA_NORMAL;
- break;
- }
- }
- static void rtw_phy_adaptivity_init(struct rtw_dev *rtwdev)
- {
- const struct rtw_chip_info *chip = rtwdev->chip;
- rtw_phy_adaptivity_set_mode(rtwdev);
- if (chip->ops->adaptivity_init)
- chip->ops->adaptivity_init(rtwdev);
- }
- static void rtw_phy_adaptivity(struct rtw_dev *rtwdev)
- {
- if (rtwdev->chip->ops->adaptivity)
- rtwdev->chip->ops->adaptivity(rtwdev);
- }
- static void rtw_phy_cfo_init(struct rtw_dev *rtwdev)
- {
- const struct rtw_chip_info *chip = rtwdev->chip;
- if (chip->ops->cfo_init)
- chip->ops->cfo_init(rtwdev);
- }
- static void rtw_phy_tx_path_div_init(struct rtw_dev *rtwdev)
- {
- struct rtw_path_div *path_div = &rtwdev->dm_path_div;
- path_div->current_tx_path = rtwdev->chip->default_1ss_tx_path;
- path_div->path_a_cnt = 0;
- path_div->path_a_sum = 0;
- path_div->path_b_cnt = 0;
- path_div->path_b_sum = 0;
- }
- void rtw_phy_init(struct rtw_dev *rtwdev)
- {
- const struct rtw_chip_info *chip = rtwdev->chip;
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- u32 addr, mask;
- dm_info->fa_history[3] = 0;
- dm_info->fa_history[2] = 0;
- dm_info->fa_history[1] = 0;
- dm_info->fa_history[0] = 0;
- dm_info->igi_bitmap = 0;
- dm_info->igi_history[3] = 0;
- dm_info->igi_history[2] = 0;
- dm_info->igi_history[1] = 0;
- addr = chip->dig[0].addr;
- mask = chip->dig[0].mask;
- dm_info->igi_history[0] = rtw_read32_mask(rtwdev, addr, mask);
- rtw_phy_cck_pd_init(rtwdev);
- dm_info->iqk.done = false;
- rtw_phy_adaptivity_init(rtwdev);
- rtw_phy_cfo_init(rtwdev);
- rtw_phy_tx_path_div_init(rtwdev);
- }
- EXPORT_SYMBOL(rtw_phy_init);
- void rtw_phy_dig_write(struct rtw_dev *rtwdev, u8 igi)
- {
- const struct rtw_chip_info *chip = rtwdev->chip;
- struct rtw_hal *hal = &rtwdev->hal;
- u32 addr, mask;
- u8 path;
- if (chip->dig_cck) {
- const struct rtw_hw_reg *dig_cck = &chip->dig_cck[0];
- rtw_write32_mask(rtwdev, dig_cck->addr, dig_cck->mask, igi >> 1);
- }
- for (path = 0; path < hal->rf_path_num; path++) {
- addr = chip->dig[path].addr;
- mask = chip->dig[path].mask;
- rtw_write32_mask(rtwdev, addr, mask, igi);
- }
- }
- static void rtw_phy_stat_false_alarm(struct rtw_dev *rtwdev)
- {
- const struct rtw_chip_info *chip = rtwdev->chip;
- chip->ops->false_alarm_statistics(rtwdev);
- }
- #define RA_FLOOR_TABLE_SIZE 7
- #define RA_FLOOR_UP_GAP 3
- static u8 rtw_phy_get_rssi_level(u8 old_level, u8 rssi)
- {
- u8 table[RA_FLOOR_TABLE_SIZE] = {20, 34, 38, 42, 46, 50, 100};
- u8 new_level = 0;
- int i;
- for (i = 0; i < RA_FLOOR_TABLE_SIZE; i++)
- if (i >= old_level)
- table[i] += RA_FLOOR_UP_GAP;
- for (i = 0; i < RA_FLOOR_TABLE_SIZE; i++) {
- if (rssi < table[i]) {
- new_level = i;
- break;
- }
- }
- return new_level;
- }
- struct rtw_phy_stat_iter_data {
- struct rtw_dev *rtwdev;
- u8 min_rssi;
- };
- static void rtw_phy_stat_rssi_iter(void *data, struct ieee80211_sta *sta)
- {
- struct rtw_phy_stat_iter_data *iter_data = data;
- struct rtw_dev *rtwdev = iter_data->rtwdev;
- struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
- u8 rssi;
- rssi = ewma_rssi_read(&si->avg_rssi);
- si->rssi_level = rtw_phy_get_rssi_level(si->rssi_level, rssi);
- rtw_fw_send_rssi_info(rtwdev, si);
- iter_data->min_rssi = min_t(u8, rssi, iter_data->min_rssi);
- }
- static void rtw_phy_stat_rssi(struct rtw_dev *rtwdev)
- {
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- struct rtw_phy_stat_iter_data data = {};
- data.rtwdev = rtwdev;
- data.min_rssi = U8_MAX;
- rtw_iterate_stas_atomic(rtwdev, rtw_phy_stat_rssi_iter, &data);
- dm_info->pre_min_rssi = dm_info->min_rssi;
- dm_info->min_rssi = data.min_rssi;
- }
- static void rtw_phy_stat_rate_cnt(struct rtw_dev *rtwdev)
- {
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- dm_info->last_pkt_count = dm_info->cur_pkt_count;
- memset(&dm_info->cur_pkt_count, 0, sizeof(dm_info->cur_pkt_count));
- }
- static void rtw_phy_statistics(struct rtw_dev *rtwdev)
- {
- rtw_phy_stat_rssi(rtwdev);
- rtw_phy_stat_false_alarm(rtwdev);
- rtw_phy_stat_rate_cnt(rtwdev);
- }
- #define DIG_PERF_FA_TH_LOW 250
- #define DIG_PERF_FA_TH_HIGH 500
- #define DIG_PERF_FA_TH_EXTRA_HIGH 750
- #define DIG_PERF_MAX 0x5a
- #define DIG_PERF_MID 0x40
- #define DIG_CVRG_FA_TH_LOW 2000
- #define DIG_CVRG_FA_TH_HIGH 4000
- #define DIG_CVRG_FA_TH_EXTRA_HIGH 5000
- #define DIG_CVRG_MAX 0x2a
- #define DIG_CVRG_MID 0x26
- #define DIG_CVRG_MIN 0x1c
- #define DIG_RSSI_GAIN_OFFSET 15
- static bool
- rtw_phy_dig_check_damping(struct rtw_dm_info *dm_info)
- {
- u16 fa_lo = DIG_PERF_FA_TH_LOW;
- u16 fa_hi = DIG_PERF_FA_TH_HIGH;
- u16 *fa_history;
- u8 *igi_history;
- u8 damping_rssi;
- u8 min_rssi;
- u8 diff;
- u8 igi_bitmap;
- bool damping = false;
- min_rssi = dm_info->min_rssi;
- if (dm_info->damping) {
- damping_rssi = dm_info->damping_rssi;
- diff = min_rssi > damping_rssi ? min_rssi - damping_rssi :
- damping_rssi - min_rssi;
- if (diff > 3 || dm_info->damping_cnt++ > 20) {
- dm_info->damping = false;
- return false;
- }
- return true;
- }
- igi_history = dm_info->igi_history;
- fa_history = dm_info->fa_history;
- igi_bitmap = dm_info->igi_bitmap & 0xf;
- switch (igi_bitmap) {
- case 5:
- /* down -> up -> down -> up */
- if (igi_history[0] > igi_history[1] &&
- igi_history[2] > igi_history[3] &&
- igi_history[0] - igi_history[1] >= 2 &&
- igi_history[2] - igi_history[3] >= 2 &&
- fa_history[0] > fa_hi && fa_history[1] < fa_lo &&
- fa_history[2] > fa_hi && fa_history[3] < fa_lo)
- damping = true;
- break;
- case 9:
- /* up -> down -> down -> up */
- if (igi_history[0] > igi_history[1] &&
- igi_history[3] > igi_history[2] &&
- igi_history[0] - igi_history[1] >= 4 &&
- igi_history[3] - igi_history[2] >= 2 &&
- fa_history[0] > fa_hi && fa_history[1] < fa_lo &&
- fa_history[2] < fa_lo && fa_history[3] > fa_hi)
- damping = true;
- break;
- default:
- return false;
- }
- if (damping) {
- dm_info->damping = true;
- dm_info->damping_cnt = 0;
- dm_info->damping_rssi = min_rssi;
- }
- return damping;
- }
- static void rtw_phy_dig_get_boundary(struct rtw_dev *rtwdev,
- struct rtw_dm_info *dm_info,
- u8 *upper, u8 *lower, bool linked)
- {
- u8 dig_max, dig_min, dig_mid;
- u8 min_rssi;
- if (linked) {
- dig_max = DIG_PERF_MAX;
- dig_mid = DIG_PERF_MID;
- dig_min = rtwdev->chip->dig_min;
- min_rssi = max_t(u8, dm_info->min_rssi, dig_min);
- } else {
- dig_max = DIG_CVRG_MAX;
- dig_mid = DIG_CVRG_MID;
- dig_min = DIG_CVRG_MIN;
- min_rssi = dig_min;
- }
- /* DIG MAX should be bounded by minimum RSSI with offset +15 */
- dig_max = min_t(u8, dig_max, min_rssi + DIG_RSSI_GAIN_OFFSET);
- *lower = clamp_t(u8, min_rssi, dig_min, dig_mid);
- *upper = clamp_t(u8, *lower + DIG_RSSI_GAIN_OFFSET, dig_min, dig_max);
- }
- static void rtw_phy_dig_get_threshold(struct rtw_dm_info *dm_info,
- u16 *fa_th, u8 *step, bool linked)
- {
- u8 min_rssi, pre_min_rssi;
- min_rssi = dm_info->min_rssi;
- pre_min_rssi = dm_info->pre_min_rssi;
- step[0] = 4;
- step[1] = 3;
- step[2] = 2;
- if (linked) {
- fa_th[0] = DIG_PERF_FA_TH_EXTRA_HIGH;
- fa_th[1] = DIG_PERF_FA_TH_HIGH;
- fa_th[2] = DIG_PERF_FA_TH_LOW;
- if (pre_min_rssi > min_rssi) {
- step[0] = 6;
- step[1] = 4;
- step[2] = 2;
- }
- } else {
- fa_th[0] = DIG_CVRG_FA_TH_EXTRA_HIGH;
- fa_th[1] = DIG_CVRG_FA_TH_HIGH;
- fa_th[2] = DIG_CVRG_FA_TH_LOW;
- }
- }
- static void rtw_phy_dig_recorder(struct rtw_dm_info *dm_info, u8 igi, u16 fa)
- {
- u8 *igi_history;
- u16 *fa_history;
- u8 igi_bitmap;
- bool up;
- igi_bitmap = dm_info->igi_bitmap << 1 & 0xfe;
- igi_history = dm_info->igi_history;
- fa_history = dm_info->fa_history;
- up = igi > igi_history[0];
- igi_bitmap |= up;
- igi_history[3] = igi_history[2];
- igi_history[2] = igi_history[1];
- igi_history[1] = igi_history[0];
- igi_history[0] = igi;
- fa_history[3] = fa_history[2];
- fa_history[2] = fa_history[1];
- fa_history[1] = fa_history[0];
- fa_history[0] = fa;
- dm_info->igi_bitmap = igi_bitmap;
- }
- static void rtw_phy_dig(struct rtw_dev *rtwdev)
- {
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- u8 upper_bound, lower_bound;
- u8 pre_igi, cur_igi;
- u16 fa_th[3], fa_cnt;
- u8 level;
- u8 step[3];
- bool linked;
- if (test_bit(RTW_FLAG_DIG_DISABLE, rtwdev->flags))
- return;
- if (rtw_phy_dig_check_damping(dm_info))
- return;
- linked = !!rtwdev->sta_cnt;
- fa_cnt = dm_info->total_fa_cnt;
- pre_igi = dm_info->igi_history[0];
- rtw_phy_dig_get_threshold(dm_info, fa_th, step, linked);
- /* test the false alarm count from the highest threshold level first,
- * and increase it by corresponding step size
- *
- * note that the step size is offset by -2, compensate it afterall
- */
- cur_igi = pre_igi;
- for (level = 0; level < 3; level++) {
- if (fa_cnt > fa_th[level]) {
- cur_igi += step[level];
- break;
- }
- }
- cur_igi -= 2;
- /* calculate the upper/lower bound by the minimum rssi we have among
- * the peers connected with us, meanwhile make sure the igi value does
- * not beyond the hardware limitation
- */
- rtw_phy_dig_get_boundary(rtwdev, dm_info, &upper_bound, &lower_bound,
- linked);
- cur_igi = clamp_t(u8, cur_igi, lower_bound, upper_bound);
- /* record current igi value and false alarm statistics for further
- * damping checks, and record the trend of igi values
- */
- rtw_phy_dig_recorder(dm_info, cur_igi, fa_cnt);
- if (cur_igi != pre_igi)
- rtw_phy_dig_write(rtwdev, cur_igi);
- }
- static void rtw_phy_ra_info_update_iter(void *data, struct ieee80211_sta *sta)
- {
- struct rtw_dev *rtwdev = data;
- struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
- rtw_update_sta_info(rtwdev, si, false);
- }
- static void rtw_phy_ra_info_update(struct rtw_dev *rtwdev)
- {
- if (rtwdev->watch_dog_cnt & 0x3)
- return;
- rtw_iterate_stas_atomic(rtwdev, rtw_phy_ra_info_update_iter, rtwdev);
- }
- static u32 rtw_phy_get_rrsr_mask(struct rtw_dev *rtwdev, u8 rate_idx)
- {
- u8 rate_order;
- rate_order = rate_idx;
- if (rate_idx >= DESC_RATEVHT4SS_MCS0)
- rate_order -= DESC_RATEVHT4SS_MCS0;
- else if (rate_idx >= DESC_RATEVHT3SS_MCS0)
- rate_order -= DESC_RATEVHT3SS_MCS0;
- else if (rate_idx >= DESC_RATEVHT2SS_MCS0)
- rate_order -= DESC_RATEVHT2SS_MCS0;
- else if (rate_idx >= DESC_RATEVHT1SS_MCS0)
- rate_order -= DESC_RATEVHT1SS_MCS0;
- else if (rate_idx >= DESC_RATEMCS24)
- rate_order -= DESC_RATEMCS24;
- else if (rate_idx >= DESC_RATEMCS16)
- rate_order -= DESC_RATEMCS16;
- else if (rate_idx >= DESC_RATEMCS8)
- rate_order -= DESC_RATEMCS8;
- else if (rate_idx >= DESC_RATEMCS0)
- rate_order -= DESC_RATEMCS0;
- else if (rate_idx >= DESC_RATE6M)
- rate_order -= DESC_RATE6M;
- else
- rate_order -= DESC_RATE1M;
- if (rate_idx >= DESC_RATEMCS0 || rate_order == 0)
- rate_order++;
- return GENMASK(rate_order + RRSR_RATE_ORDER_CCK_LEN - 1, 0);
- }
- static void rtw_phy_rrsr_mask_min_iter(void *data, struct ieee80211_sta *sta)
- {
- struct rtw_dev *rtwdev = (struct rtw_dev *)data;
- struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- u32 mask = 0;
- mask = rtw_phy_get_rrsr_mask(rtwdev, si->ra_report.desc_rate);
- if (mask < dm_info->rrsr_mask_min)
- dm_info->rrsr_mask_min = mask;
- }
- static void rtw_phy_rrsr_update(struct rtw_dev *rtwdev)
- {
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- dm_info->rrsr_mask_min = RRSR_RATE_ORDER_MAX;
- rtw_iterate_stas_atomic(rtwdev, rtw_phy_rrsr_mask_min_iter, rtwdev);
- rtw_write32(rtwdev, REG_RRSR, dm_info->rrsr_val_init & dm_info->rrsr_mask_min);
- }
- static void rtw_phy_dpk_track(struct rtw_dev *rtwdev)
- {
- const struct rtw_chip_info *chip = rtwdev->chip;
- if (chip->ops->dpk_track)
- chip->ops->dpk_track(rtwdev);
- }
- struct rtw_rx_addr_match_data {
- struct rtw_dev *rtwdev;
- struct ieee80211_hdr *hdr;
- struct rtw_rx_pkt_stat *pkt_stat;
- u8 *bssid;
- };
- static void rtw_phy_parsing_cfo_iter(void *data, u8 *mac,
- struct ieee80211_vif *vif)
- {
- struct rtw_rx_addr_match_data *iter_data = data;
- struct rtw_dev *rtwdev = iter_data->rtwdev;
- struct rtw_rx_pkt_stat *pkt_stat = iter_data->pkt_stat;
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- struct rtw_cfo_track *cfo = &dm_info->cfo_track;
- u8 *bssid = iter_data->bssid;
- u8 i;
- if (!ether_addr_equal(vif->bss_conf.bssid, bssid))
- return;
- for (i = 0; i < rtwdev->hal.rf_path_num; i++) {
- cfo->cfo_tail[i] += pkt_stat->cfo_tail[i];
- cfo->cfo_cnt[i]++;
- }
- cfo->packet_count++;
- }
- void rtw_phy_parsing_cfo(struct rtw_dev *rtwdev,
- struct rtw_rx_pkt_stat *pkt_stat)
- {
- struct ieee80211_hdr *hdr = pkt_stat->hdr;
- struct rtw_rx_addr_match_data data = {};
- if (pkt_stat->crc_err || pkt_stat->icv_err || !pkt_stat->phy_status ||
- ieee80211_is_ctl(hdr->frame_control))
- return;
- data.rtwdev = rtwdev;
- data.hdr = hdr;
- data.pkt_stat = pkt_stat;
- data.bssid = get_hdr_bssid(hdr);
- rtw_iterate_vifs_atomic(rtwdev, rtw_phy_parsing_cfo_iter, &data);
- }
- EXPORT_SYMBOL(rtw_phy_parsing_cfo);
- static void rtw_phy_cfo_track(struct rtw_dev *rtwdev)
- {
- const struct rtw_chip_info *chip = rtwdev->chip;
- if (chip->ops->cfo_track)
- chip->ops->cfo_track(rtwdev);
- }
- #define CCK_PD_FA_LV1_MIN 1000
- #define CCK_PD_FA_LV0_MAX 500
- static u8 rtw_phy_cck_pd_lv_unlink(struct rtw_dev *rtwdev)
- {
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- u32 cck_fa_avg = dm_info->cck_fa_avg;
- if (cck_fa_avg > CCK_PD_FA_LV1_MIN)
- return CCK_PD_LV1;
- if (cck_fa_avg < CCK_PD_FA_LV0_MAX)
- return CCK_PD_LV0;
- return CCK_PD_LV_MAX;
- }
- #define CCK_PD_IGI_LV4_VAL 0x38
- #define CCK_PD_IGI_LV3_VAL 0x2a
- #define CCK_PD_IGI_LV2_VAL 0x24
- #define CCK_PD_RSSI_LV4_VAL 32
- #define CCK_PD_RSSI_LV3_VAL 32
- #define CCK_PD_RSSI_LV2_VAL 24
- static u8 rtw_phy_cck_pd_lv_link(struct rtw_dev *rtwdev)
- {
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- u8 igi = dm_info->igi_history[0];
- u8 rssi = dm_info->min_rssi;
- u32 cck_fa_avg = dm_info->cck_fa_avg;
- if (igi > CCK_PD_IGI_LV4_VAL && rssi > CCK_PD_RSSI_LV4_VAL)
- return CCK_PD_LV4;
- if (igi > CCK_PD_IGI_LV3_VAL && rssi > CCK_PD_RSSI_LV3_VAL)
- return CCK_PD_LV3;
- if (igi > CCK_PD_IGI_LV2_VAL || rssi > CCK_PD_RSSI_LV2_VAL)
- return CCK_PD_LV2;
- if (cck_fa_avg > CCK_PD_FA_LV1_MIN)
- return CCK_PD_LV1;
- if (cck_fa_avg < CCK_PD_FA_LV0_MAX)
- return CCK_PD_LV0;
- return CCK_PD_LV_MAX;
- }
- static u8 rtw_phy_cck_pd_lv(struct rtw_dev *rtwdev)
- {
- if (!rtw_is_assoc(rtwdev))
- return rtw_phy_cck_pd_lv_unlink(rtwdev);
- else
- return rtw_phy_cck_pd_lv_link(rtwdev);
- }
- static void rtw_phy_cck_pd(struct rtw_dev *rtwdev)
- {
- const struct rtw_chip_info *chip = rtwdev->chip;
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- u32 cck_fa = dm_info->cck_fa_cnt;
- u8 level;
- if (rtwdev->hal.current_band_type != RTW_BAND_2G)
- return;
- if (dm_info->cck_fa_avg == CCK_FA_AVG_RESET)
- dm_info->cck_fa_avg = cck_fa;
- else
- dm_info->cck_fa_avg = (dm_info->cck_fa_avg * 3 + cck_fa) >> 2;
- rtw_dbg(rtwdev, RTW_DBG_PHY, "IGI=0x%x, rssi_min=%d, cck_fa=%d\n",
- dm_info->igi_history[0], dm_info->min_rssi,
- dm_info->fa_history[0]);
- rtw_dbg(rtwdev, RTW_DBG_PHY, "cck_fa_avg=%d, cck_pd_default=%d\n",
- dm_info->cck_fa_avg, dm_info->cck_pd_default);
- level = rtw_phy_cck_pd_lv(rtwdev);
- if (level >= CCK_PD_LV_MAX)
- return;
- if (chip->ops->cck_pd_set)
- chip->ops->cck_pd_set(rtwdev, level);
- }
- static void rtw_phy_pwr_track(struct rtw_dev *rtwdev)
- {
- rtwdev->chip->ops->pwr_track(rtwdev);
- }
- static void rtw_phy_ra_track(struct rtw_dev *rtwdev)
- {
- rtw_fw_update_wl_phy_info(rtwdev);
- rtw_phy_ra_info_update(rtwdev);
- rtw_phy_rrsr_update(rtwdev);
- }
- void rtw_phy_dynamic_mechanism(struct rtw_dev *rtwdev)
- {
- /* for further calculation */
- rtw_phy_statistics(rtwdev);
- rtw_phy_dig(rtwdev);
- rtw_phy_cck_pd(rtwdev);
- rtw_phy_ra_track(rtwdev);
- rtw_phy_tx_path_diversity(rtwdev);
- rtw_phy_cfo_track(rtwdev);
- rtw_phy_dpk_track(rtwdev);
- rtw_phy_pwr_track(rtwdev);
- if (rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_ADAPTIVITY))
- rtw_fw_adaptivity(rtwdev);
- else
- rtw_phy_adaptivity(rtwdev);
- }
- #define FRAC_BITS 3
- static u8 rtw_phy_power_2_db(s8 power)
- {
- if (power <= -100 || power >= 20)
- return 0;
- else if (power >= 0)
- return 100;
- else
- return 100 + power;
- }
- static u64 rtw_phy_db_2_linear(u8 power_db)
- {
- u8 i, j;
- u64 linear;
- if (power_db > 96)
- power_db = 96;
- else if (power_db < 1)
- return 1;
- /* 1dB ~ 96dB */
- i = (power_db - 1) >> 3;
- j = (power_db - 1) - (i << 3);
- linear = db_invert_table[i][j];
- linear = i > 2 ? linear << FRAC_BITS : linear;
- return linear;
- }
- static u8 rtw_phy_linear_2_db(u64 linear)
- {
- u8 i;
- u8 j;
- u32 dB;
- for (i = 0; i < 12; i++) {
- for (j = 0; j < 8; j++) {
- if (i <= 2 && (linear << FRAC_BITS) <= db_invert_table[i][j])
- goto cnt;
- else if (i > 2 && linear <= db_invert_table[i][j])
- goto cnt;
- }
- }
- return 96; /* maximum 96 dB */
- cnt:
- if (j == 0 && i == 0)
- goto end;
- if (j == 0) {
- if (i != 3) {
- if (db_invert_table[i][0] - linear >
- linear - db_invert_table[i - 1][7]) {
- i = i - 1;
- j = 7;
- }
- } else {
- if (db_invert_table[3][0] - linear >
- linear - db_invert_table[2][7]) {
- i = 2;
- j = 7;
- }
- }
- } else {
- if (db_invert_table[i][j] - linear >
- linear - db_invert_table[i][j - 1]) {
- j = j - 1;
- }
- }
- end:
- dB = (i << 3) + j + 1;
- return dB;
- }
- u8 rtw_phy_rf_power_2_rssi(s8 *rf_power, u8 path_num)
- {
- s8 power;
- u8 power_db;
- u64 linear;
- u64 sum = 0;
- u8 path;
- for (path = 0; path < path_num; path++) {
- power = rf_power[path];
- power_db = rtw_phy_power_2_db(power);
- linear = rtw_phy_db_2_linear(power_db);
- sum += linear;
- }
- sum = (sum + (1 << (FRAC_BITS - 1))) >> FRAC_BITS;
- switch (path_num) {
- case 2:
- sum >>= 1;
- break;
- case 3:
- sum = ((sum) + ((sum) << 1) + ((sum) << 3)) >> 5;
- break;
- case 4:
- sum >>= 2;
- break;
- default:
- break;
- }
- return rtw_phy_linear_2_db(sum);
- }
- EXPORT_SYMBOL(rtw_phy_rf_power_2_rssi);
- u32 rtw_phy_read_rf(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
- u32 addr, u32 mask)
- {
- struct rtw_hal *hal = &rtwdev->hal;
- const struct rtw_chip_info *chip = rtwdev->chip;
- const u32 *base_addr = chip->rf_base_addr;
- u32 val, direct_addr;
- if (rf_path >= hal->rf_phy_num) {
- rtw_err(rtwdev, "unsupported rf path (%d)\n", rf_path);
- return INV_RF_DATA;
- }
- addr &= 0xff;
- direct_addr = base_addr[rf_path] + (addr << 2);
- mask &= RFREG_MASK;
- val = rtw_read32_mask(rtwdev, direct_addr, mask);
- return val;
- }
- EXPORT_SYMBOL(rtw_phy_read_rf);
- u32 rtw_phy_read_rf_sipi(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
- u32 addr, u32 mask)
- {
- struct rtw_hal *hal = &rtwdev->hal;
- const struct rtw_chip_info *chip = rtwdev->chip;
- const struct rtw_rf_sipi_addr *rf_sipi_addr;
- const struct rtw_rf_sipi_addr *rf_sipi_addr_a;
- u32 val32;
- u32 en_pi;
- u32 r_addr;
- u32 shift;
- if (rf_path >= hal->rf_phy_num) {
- rtw_err(rtwdev, "unsupported rf path (%d)\n", rf_path);
- return INV_RF_DATA;
- }
- if (!chip->rf_sipi_read_addr) {
- rtw_err(rtwdev, "rf_sipi_read_addr isn't defined\n");
- return INV_RF_DATA;
- }
- rf_sipi_addr = &chip->rf_sipi_read_addr[rf_path];
- rf_sipi_addr_a = &chip->rf_sipi_read_addr[RF_PATH_A];
- addr &= 0xff;
- val32 = rtw_read32(rtwdev, rf_sipi_addr->hssi_2);
- val32 = (val32 & ~LSSI_READ_ADDR_MASK) | (addr << 23);
- rtw_write32(rtwdev, rf_sipi_addr->hssi_2, val32);
- /* toggle read edge of path A */
- val32 = rtw_read32(rtwdev, rf_sipi_addr_a->hssi_2);
- rtw_write32(rtwdev, rf_sipi_addr_a->hssi_2, val32 & ~LSSI_READ_EDGE_MASK);
- rtw_write32(rtwdev, rf_sipi_addr_a->hssi_2, val32 | LSSI_READ_EDGE_MASK);
- udelay(120);
- en_pi = rtw_read32_mask(rtwdev, rf_sipi_addr->hssi_1, BIT(8));
- r_addr = en_pi ? rf_sipi_addr->lssi_read_pi : rf_sipi_addr->lssi_read;
- val32 = rtw_read32_mask(rtwdev, r_addr, LSSI_READ_DATA_MASK);
- shift = __ffs(mask);
- return (val32 & mask) >> shift;
- }
- EXPORT_SYMBOL(rtw_phy_read_rf_sipi);
- bool rtw_phy_write_rf_reg_sipi(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
- u32 addr, u32 mask, u32 data)
- {
- struct rtw_hal *hal = &rtwdev->hal;
- const struct rtw_chip_info *chip = rtwdev->chip;
- const u32 *sipi_addr = chip->rf_sipi_addr;
- u32 data_and_addr;
- u32 old_data = 0;
- u32 shift;
- if (rf_path >= hal->rf_phy_num) {
- rtw_err(rtwdev, "unsupported rf path (%d)\n", rf_path);
- return false;
- }
- addr &= 0xff;
- mask &= RFREG_MASK;
- if (mask != RFREG_MASK) {
- old_data = chip->ops->read_rf(rtwdev, rf_path, addr, RFREG_MASK);
- if (old_data == INV_RF_DATA) {
- rtw_err(rtwdev, "Write fail, rf is disabled\n");
- return false;
- }
- shift = __ffs(mask);
- data = ((old_data) & (~mask)) | (data << shift);
- }
- data_and_addr = ((addr << 20) | (data & 0x000fffff)) & 0x0fffffff;
- rtw_write32(rtwdev, sipi_addr[rf_path], data_and_addr);
- udelay(13);
- return true;
- }
- EXPORT_SYMBOL(rtw_phy_write_rf_reg_sipi);
- bool rtw_phy_write_rf_reg(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
- u32 addr, u32 mask, u32 data)
- {
- struct rtw_hal *hal = &rtwdev->hal;
- const struct rtw_chip_info *chip = rtwdev->chip;
- const u32 *base_addr = chip->rf_base_addr;
- u32 direct_addr;
- if (rf_path >= hal->rf_phy_num) {
- rtw_err(rtwdev, "unsupported rf path (%d)\n", rf_path);
- return false;
- }
- addr &= 0xff;
- direct_addr = base_addr[rf_path] + (addr << 2);
- mask &= RFREG_MASK;
- rtw_write32_mask(rtwdev, direct_addr, mask, data);
- udelay(1);
- return true;
- }
- bool rtw_phy_write_rf_reg_mix(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
- u32 addr, u32 mask, u32 data)
- {
- if (addr != 0x00)
- return rtw_phy_write_rf_reg(rtwdev, rf_path, addr, mask, data);
- return rtw_phy_write_rf_reg_sipi(rtwdev, rf_path, addr, mask, data);
- }
- EXPORT_SYMBOL(rtw_phy_write_rf_reg_mix);
- void rtw_phy_setup_phy_cond(struct rtw_dev *rtwdev, u32 pkg)
- {
- struct rtw_hal *hal = &rtwdev->hal;
- struct rtw_efuse *efuse = &rtwdev->efuse;
- struct rtw_phy_cond cond = {0};
- cond.cut = hal->cut_version ? hal->cut_version : 15;
- cond.pkg = pkg ? pkg : 15;
- cond.plat = 0x04;
- cond.rfe = efuse->rfe_option;
- switch (rtw_hci_type(rtwdev)) {
- case RTW_HCI_TYPE_USB:
- cond.intf = INTF_USB;
- break;
- case RTW_HCI_TYPE_SDIO:
- cond.intf = INTF_SDIO;
- break;
- case RTW_HCI_TYPE_PCIE:
- default:
- cond.intf = INTF_PCIE;
- break;
- }
- hal->phy_cond = cond;
- rtw_dbg(rtwdev, RTW_DBG_PHY, "phy cond=0x%08x\n", *((u32 *)&hal->phy_cond));
- }
- static bool check_positive(struct rtw_dev *rtwdev, struct rtw_phy_cond cond)
- {
- struct rtw_hal *hal = &rtwdev->hal;
- struct rtw_phy_cond drv_cond = hal->phy_cond;
- if (cond.cut && cond.cut != drv_cond.cut)
- return false;
- if (cond.pkg && cond.pkg != drv_cond.pkg)
- return false;
- if (cond.intf && cond.intf != drv_cond.intf)
- return false;
- if (cond.rfe != drv_cond.rfe)
- return false;
- return true;
- }
- void rtw_parse_tbl_phy_cond(struct rtw_dev *rtwdev, const struct rtw_table *tbl)
- {
- const union phy_table_tile *p = tbl->data;
- const union phy_table_tile *end = p + tbl->size / 2;
- struct rtw_phy_cond pos_cond = {0};
- bool is_matched = true, is_skipped = false;
- BUILD_BUG_ON(sizeof(union phy_table_tile) != sizeof(struct phy_cfg_pair));
- for (; p < end; p++) {
- if (p->cond.pos) {
- switch (p->cond.branch) {
- case BRANCH_ENDIF:
- is_matched = true;
- is_skipped = false;
- break;
- case BRANCH_ELSE:
- is_matched = is_skipped ? false : true;
- break;
- case BRANCH_IF:
- case BRANCH_ELIF:
- default:
- pos_cond = p->cond;
- break;
- }
- } else if (p->cond.neg) {
- if (!is_skipped) {
- if (check_positive(rtwdev, pos_cond)) {
- is_matched = true;
- is_skipped = true;
- } else {
- is_matched = false;
- is_skipped = false;
- }
- } else {
- is_matched = false;
- }
- } else if (is_matched) {
- (*tbl->do_cfg)(rtwdev, tbl, p->cfg.addr, p->cfg.data);
- }
- }
- }
- EXPORT_SYMBOL(rtw_parse_tbl_phy_cond);
- #define bcd_to_dec_pwr_by_rate(val, i) bcd2bin(val >> (i * 8))
- static u8 tbl_to_dec_pwr_by_rate(struct rtw_dev *rtwdev, u32 hex, u8 i)
- {
- if (rtwdev->chip->is_pwr_by_rate_dec)
- return bcd_to_dec_pwr_by_rate(hex, i);
- return (hex >> (i * 8)) & 0xFF;
- }
- static void
- rtw_phy_get_rate_values_of_txpwr_by_rate(struct rtw_dev *rtwdev,
- u32 addr, u32 mask, u32 val, u8 *rate,
- u8 *pwr_by_rate, u8 *rate_num)
- {
- int i;
- switch (addr) {
- case 0xE00:
- case 0x830:
- rate[0] = DESC_RATE6M;
- rate[1] = DESC_RATE9M;
- rate[2] = DESC_RATE12M;
- rate[3] = DESC_RATE18M;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xE04:
- case 0x834:
- rate[0] = DESC_RATE24M;
- rate[1] = DESC_RATE36M;
- rate[2] = DESC_RATE48M;
- rate[3] = DESC_RATE54M;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xE08:
- rate[0] = DESC_RATE1M;
- pwr_by_rate[0] = bcd_to_dec_pwr_by_rate(val, 1);
- *rate_num = 1;
- break;
- case 0x86C:
- if (mask == 0xffffff00) {
- rate[0] = DESC_RATE2M;
- rate[1] = DESC_RATE5_5M;
- rate[2] = DESC_RATE11M;
- for (i = 1; i < 4; ++i)
- pwr_by_rate[i - 1] =
- tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 3;
- } else if (mask == 0x000000ff) {
- rate[0] = DESC_RATE11M;
- pwr_by_rate[0] = bcd_to_dec_pwr_by_rate(val, 0);
- *rate_num = 1;
- }
- break;
- case 0xE10:
- case 0x83C:
- rate[0] = DESC_RATEMCS0;
- rate[1] = DESC_RATEMCS1;
- rate[2] = DESC_RATEMCS2;
- rate[3] = DESC_RATEMCS3;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xE14:
- case 0x848:
- rate[0] = DESC_RATEMCS4;
- rate[1] = DESC_RATEMCS5;
- rate[2] = DESC_RATEMCS6;
- rate[3] = DESC_RATEMCS7;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xE18:
- case 0x84C:
- rate[0] = DESC_RATEMCS8;
- rate[1] = DESC_RATEMCS9;
- rate[2] = DESC_RATEMCS10;
- rate[3] = DESC_RATEMCS11;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xE1C:
- case 0x868:
- rate[0] = DESC_RATEMCS12;
- rate[1] = DESC_RATEMCS13;
- rate[2] = DESC_RATEMCS14;
- rate[3] = DESC_RATEMCS15;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0x838:
- rate[0] = DESC_RATE1M;
- rate[1] = DESC_RATE2M;
- rate[2] = DESC_RATE5_5M;
- for (i = 1; i < 4; ++i)
- pwr_by_rate[i - 1] = tbl_to_dec_pwr_by_rate(rtwdev,
- val, i);
- *rate_num = 3;
- break;
- case 0xC20:
- case 0xE20:
- case 0x1820:
- case 0x1A20:
- rate[0] = DESC_RATE1M;
- rate[1] = DESC_RATE2M;
- rate[2] = DESC_RATE5_5M;
- rate[3] = DESC_RATE11M;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xC24:
- case 0xE24:
- case 0x1824:
- case 0x1A24:
- rate[0] = DESC_RATE6M;
- rate[1] = DESC_RATE9M;
- rate[2] = DESC_RATE12M;
- rate[3] = DESC_RATE18M;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xC28:
- case 0xE28:
- case 0x1828:
- case 0x1A28:
- rate[0] = DESC_RATE24M;
- rate[1] = DESC_RATE36M;
- rate[2] = DESC_RATE48M;
- rate[3] = DESC_RATE54M;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xC2C:
- case 0xE2C:
- case 0x182C:
- case 0x1A2C:
- rate[0] = DESC_RATEMCS0;
- rate[1] = DESC_RATEMCS1;
- rate[2] = DESC_RATEMCS2;
- rate[3] = DESC_RATEMCS3;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xC30:
- case 0xE30:
- case 0x1830:
- case 0x1A30:
- rate[0] = DESC_RATEMCS4;
- rate[1] = DESC_RATEMCS5;
- rate[2] = DESC_RATEMCS6;
- rate[3] = DESC_RATEMCS7;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xC34:
- case 0xE34:
- case 0x1834:
- case 0x1A34:
- rate[0] = DESC_RATEMCS8;
- rate[1] = DESC_RATEMCS9;
- rate[2] = DESC_RATEMCS10;
- rate[3] = DESC_RATEMCS11;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xC38:
- case 0xE38:
- case 0x1838:
- case 0x1A38:
- rate[0] = DESC_RATEMCS12;
- rate[1] = DESC_RATEMCS13;
- rate[2] = DESC_RATEMCS14;
- rate[3] = DESC_RATEMCS15;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xC3C:
- case 0xE3C:
- case 0x183C:
- case 0x1A3C:
- rate[0] = DESC_RATEVHT1SS_MCS0;
- rate[1] = DESC_RATEVHT1SS_MCS1;
- rate[2] = DESC_RATEVHT1SS_MCS2;
- rate[3] = DESC_RATEVHT1SS_MCS3;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xC40:
- case 0xE40:
- case 0x1840:
- case 0x1A40:
- rate[0] = DESC_RATEVHT1SS_MCS4;
- rate[1] = DESC_RATEVHT1SS_MCS5;
- rate[2] = DESC_RATEVHT1SS_MCS6;
- rate[3] = DESC_RATEVHT1SS_MCS7;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xC44:
- case 0xE44:
- case 0x1844:
- case 0x1A44:
- rate[0] = DESC_RATEVHT1SS_MCS8;
- rate[1] = DESC_RATEVHT1SS_MCS9;
- rate[2] = DESC_RATEVHT2SS_MCS0;
- rate[3] = DESC_RATEVHT2SS_MCS1;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xC48:
- case 0xE48:
- case 0x1848:
- case 0x1A48:
- rate[0] = DESC_RATEVHT2SS_MCS2;
- rate[1] = DESC_RATEVHT2SS_MCS3;
- rate[2] = DESC_RATEVHT2SS_MCS4;
- rate[3] = DESC_RATEVHT2SS_MCS5;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xC4C:
- case 0xE4C:
- case 0x184C:
- case 0x1A4C:
- rate[0] = DESC_RATEVHT2SS_MCS6;
- rate[1] = DESC_RATEVHT2SS_MCS7;
- rate[2] = DESC_RATEVHT2SS_MCS8;
- rate[3] = DESC_RATEVHT2SS_MCS9;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xCD8:
- case 0xED8:
- case 0x18D8:
- case 0x1AD8:
- rate[0] = DESC_RATEMCS16;
- rate[1] = DESC_RATEMCS17;
- rate[2] = DESC_RATEMCS18;
- rate[3] = DESC_RATEMCS19;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xCDC:
- case 0xEDC:
- case 0x18DC:
- case 0x1ADC:
- rate[0] = DESC_RATEMCS20;
- rate[1] = DESC_RATEMCS21;
- rate[2] = DESC_RATEMCS22;
- rate[3] = DESC_RATEMCS23;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xCE0:
- case 0xEE0:
- case 0x18E0:
- case 0x1AE0:
- rate[0] = DESC_RATEVHT3SS_MCS0;
- rate[1] = DESC_RATEVHT3SS_MCS1;
- rate[2] = DESC_RATEVHT3SS_MCS2;
- rate[3] = DESC_RATEVHT3SS_MCS3;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xCE4:
- case 0xEE4:
- case 0x18E4:
- case 0x1AE4:
- rate[0] = DESC_RATEVHT3SS_MCS4;
- rate[1] = DESC_RATEVHT3SS_MCS5;
- rate[2] = DESC_RATEVHT3SS_MCS6;
- rate[3] = DESC_RATEVHT3SS_MCS7;
- for (i = 0; i < 4; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 4;
- break;
- case 0xCE8:
- case 0xEE8:
- case 0x18E8:
- case 0x1AE8:
- rate[0] = DESC_RATEVHT3SS_MCS8;
- rate[1] = DESC_RATEVHT3SS_MCS9;
- for (i = 0; i < 2; ++i)
- pwr_by_rate[i] = tbl_to_dec_pwr_by_rate(rtwdev, val, i);
- *rate_num = 2;
- break;
- default:
- rtw_warn(rtwdev, "invalid tx power index addr 0x%08x\n", addr);
- break;
- }
- }
- static void rtw_phy_store_tx_power_by_rate(struct rtw_dev *rtwdev,
- u32 band, u32 rfpath, u32 txnum,
- u32 regaddr, u32 bitmask, u32 data)
- {
- struct rtw_hal *hal = &rtwdev->hal;
- u8 rate_num = 0;
- u8 rate;
- u8 rates[RTW_RF_PATH_MAX] = {0};
- s8 offset;
- s8 pwr_by_rate[RTW_RF_PATH_MAX] = {0};
- int i;
- rtw_phy_get_rate_values_of_txpwr_by_rate(rtwdev, regaddr, bitmask, data,
- rates, pwr_by_rate, &rate_num);
- if (WARN_ON(rfpath >= RTW_RF_PATH_MAX ||
- (band != PHY_BAND_2G && band != PHY_BAND_5G) ||
- rate_num > RTW_RF_PATH_MAX))
- return;
- for (i = 0; i < rate_num; i++) {
- offset = pwr_by_rate[i];
- rate = rates[i];
- if (band == PHY_BAND_2G)
- hal->tx_pwr_by_rate_offset_2g[rfpath][rate] = offset;
- else if (band == PHY_BAND_5G)
- hal->tx_pwr_by_rate_offset_5g[rfpath][rate] = offset;
- else
- continue;
- }
- }
- void rtw_parse_tbl_bb_pg(struct rtw_dev *rtwdev, const struct rtw_table *tbl)
- {
- const struct rtw_phy_pg_cfg_pair *p = tbl->data;
- const struct rtw_phy_pg_cfg_pair *end = p + tbl->size;
- for (; p < end; p++) {
- if (p->addr == 0xfe || p->addr == 0xffe) {
- msleep(50);
- continue;
- }
- rtw_phy_store_tx_power_by_rate(rtwdev, p->band, p->rf_path,
- p->tx_num, p->addr, p->bitmask,
- p->data);
- }
- }
- EXPORT_SYMBOL(rtw_parse_tbl_bb_pg);
- static const u8 rtw_channel_idx_5g[RTW_MAX_CHANNEL_NUM_5G] = {
- 36, 38, 40, 42, 44, 46, 48, /* Band 1 */
- 52, 54, 56, 58, 60, 62, 64, /* Band 2 */
- 100, 102, 104, 106, 108, 110, 112, /* Band 3 */
- 116, 118, 120, 122, 124, 126, 128, /* Band 3 */
- 132, 134, 136, 138, 140, 142, 144, /* Band 3 */
- 149, 151, 153, 155, 157, 159, 161, /* Band 4 */
- 165, 167, 169, 171, 173, 175, 177}; /* Band 4 */
- static int rtw_channel_to_idx(u8 band, u8 channel)
- {
- int ch_idx;
- u8 n_channel;
- if (band == PHY_BAND_2G) {
- ch_idx = channel - 1;
- n_channel = RTW_MAX_CHANNEL_NUM_2G;
- } else if (band == PHY_BAND_5G) {
- n_channel = RTW_MAX_CHANNEL_NUM_5G;
- for (ch_idx = 0; ch_idx < n_channel; ch_idx++)
- if (rtw_channel_idx_5g[ch_idx] == channel)
- break;
- } else {
- return -1;
- }
- if (ch_idx >= n_channel)
- return -1;
- return ch_idx;
- }
- static void rtw_phy_set_tx_power_limit(struct rtw_dev *rtwdev, u8 regd, u8 band,
- u8 bw, u8 rs, u8 ch, s8 pwr_limit)
- {
- struct rtw_hal *hal = &rtwdev->hal;
- u8 max_power_index = rtwdev->chip->max_power_index;
- s8 ww;
- int ch_idx;
- pwr_limit = clamp_t(s8, pwr_limit,
- -max_power_index, max_power_index);
- ch_idx = rtw_channel_to_idx(band, ch);
- if (regd >= RTW_REGD_MAX || bw >= RTW_CHANNEL_WIDTH_MAX ||
- rs >= RTW_RATE_SECTION_MAX || ch_idx < 0) {
- WARN(1,
- "wrong txpwr_lmt regd=%u, band=%u bw=%u, rs=%u, ch_idx=%u, pwr_limit=%d\n",
- regd, band, bw, rs, ch_idx, pwr_limit);
- return;
- }
- if (band == PHY_BAND_2G) {
- hal->tx_pwr_limit_2g[regd][bw][rs][ch_idx] = pwr_limit;
- ww = hal->tx_pwr_limit_2g[RTW_REGD_WW][bw][rs][ch_idx];
- ww = min_t(s8, ww, pwr_limit);
- hal->tx_pwr_limit_2g[RTW_REGD_WW][bw][rs][ch_idx] = ww;
- } else if (band == PHY_BAND_5G) {
- hal->tx_pwr_limit_5g[regd][bw][rs][ch_idx] = pwr_limit;
- ww = hal->tx_pwr_limit_5g[RTW_REGD_WW][bw][rs][ch_idx];
- ww = min_t(s8, ww, pwr_limit);
- hal->tx_pwr_limit_5g[RTW_REGD_WW][bw][rs][ch_idx] = ww;
- }
- }
- /* cross-reference 5G power limits if values are not assigned */
- static void
- rtw_xref_5g_txpwr_lmt(struct rtw_dev *rtwdev, u8 regd,
- u8 bw, u8 ch_idx, u8 rs_ht, u8 rs_vht)
- {
- struct rtw_hal *hal = &rtwdev->hal;
- u8 max_power_index = rtwdev->chip->max_power_index;
- s8 lmt_ht = hal->tx_pwr_limit_5g[regd][bw][rs_ht][ch_idx];
- s8 lmt_vht = hal->tx_pwr_limit_5g[regd][bw][rs_vht][ch_idx];
- if (lmt_ht == lmt_vht)
- return;
- if (lmt_ht == max_power_index)
- hal->tx_pwr_limit_5g[regd][bw][rs_ht][ch_idx] = lmt_vht;
- else if (lmt_vht == max_power_index)
- hal->tx_pwr_limit_5g[regd][bw][rs_vht][ch_idx] = lmt_ht;
- }
- /* cross-reference power limits for ht and vht */
- static void
- rtw_xref_txpwr_lmt_by_rs(struct rtw_dev *rtwdev, u8 regd, u8 bw, u8 ch_idx)
- {
- u8 rs_idx, rs_ht, rs_vht;
- u8 rs_cmp[2][2] = {{RTW_RATE_SECTION_HT_1S, RTW_RATE_SECTION_VHT_1S},
- {RTW_RATE_SECTION_HT_2S, RTW_RATE_SECTION_VHT_2S} };
- for (rs_idx = 0; rs_idx < 2; rs_idx++) {
- rs_ht = rs_cmp[rs_idx][0];
- rs_vht = rs_cmp[rs_idx][1];
- rtw_xref_5g_txpwr_lmt(rtwdev, regd, bw, ch_idx, rs_ht, rs_vht);
- }
- }
- /* cross-reference power limits for 5G channels */
- static void
- rtw_xref_5g_txpwr_lmt_by_ch(struct rtw_dev *rtwdev, u8 regd, u8 bw)
- {
- u8 ch_idx;
- for (ch_idx = 0; ch_idx < RTW_MAX_CHANNEL_NUM_5G; ch_idx++)
- rtw_xref_txpwr_lmt_by_rs(rtwdev, regd, bw, ch_idx);
- }
- /* cross-reference power limits for 20/40M bandwidth */
- static void
- rtw_xref_txpwr_lmt_by_bw(struct rtw_dev *rtwdev, u8 regd)
- {
- u8 bw;
- for (bw = RTW_CHANNEL_WIDTH_20; bw <= RTW_CHANNEL_WIDTH_40; bw++)
- rtw_xref_5g_txpwr_lmt_by_ch(rtwdev, regd, bw);
- }
- /* cross-reference power limits */
- static void rtw_xref_txpwr_lmt(struct rtw_dev *rtwdev)
- {
- u8 regd;
- for (regd = 0; regd < RTW_REGD_MAX; regd++)
- rtw_xref_txpwr_lmt_by_bw(rtwdev, regd);
- }
- static void
- __cfg_txpwr_lmt_by_alt(struct rtw_hal *hal, u8 regd, u8 regd_alt, u8 bw, u8 rs)
- {
- u8 ch;
- for (ch = 0; ch < RTW_MAX_CHANNEL_NUM_2G; ch++)
- hal->tx_pwr_limit_2g[regd][bw][rs][ch] =
- hal->tx_pwr_limit_2g[regd_alt][bw][rs][ch];
- for (ch = 0; ch < RTW_MAX_CHANNEL_NUM_5G; ch++)
- hal->tx_pwr_limit_5g[regd][bw][rs][ch] =
- hal->tx_pwr_limit_5g[regd_alt][bw][rs][ch];
- }
- static void
- rtw_cfg_txpwr_lmt_by_alt(struct rtw_dev *rtwdev, u8 regd, u8 regd_alt)
- {
- u8 bw, rs;
- for (bw = 0; bw < RTW_CHANNEL_WIDTH_MAX; bw++)
- for (rs = 0; rs < RTW_RATE_SECTION_MAX; rs++)
- __cfg_txpwr_lmt_by_alt(&rtwdev->hal, regd, regd_alt,
- bw, rs);
- }
- void rtw_parse_tbl_txpwr_lmt(struct rtw_dev *rtwdev,
- const struct rtw_table *tbl)
- {
- const struct rtw_txpwr_lmt_cfg_pair *p = tbl->data;
- const struct rtw_txpwr_lmt_cfg_pair *end = p + tbl->size;
- u32 regd_cfg_flag = 0;
- u8 regd_alt;
- u8 i;
- for (; p < end; p++) {
- regd_cfg_flag |= BIT(p->regd);
- rtw_phy_set_tx_power_limit(rtwdev, p->regd, p->band,
- p->bw, p->rs, p->ch, p->txpwr_lmt);
- }
- for (i = 0; i < RTW_REGD_MAX; i++) {
- if (i == RTW_REGD_WW)
- continue;
- if (regd_cfg_flag & BIT(i))
- continue;
- rtw_dbg(rtwdev, RTW_DBG_REGD,
- "txpwr regd %d does not be configured\n", i);
- if (rtw_regd_has_alt(i, ®d_alt) &&
- regd_cfg_flag & BIT(regd_alt)) {
- rtw_dbg(rtwdev, RTW_DBG_REGD,
- "cfg txpwr regd %d by regd %d as alternative\n",
- i, regd_alt);
- rtw_cfg_txpwr_lmt_by_alt(rtwdev, i, regd_alt);
- continue;
- }
- rtw_dbg(rtwdev, RTW_DBG_REGD, "cfg txpwr regd %d by WW\n", i);
- rtw_cfg_txpwr_lmt_by_alt(rtwdev, i, RTW_REGD_WW);
- }
- rtw_xref_txpwr_lmt(rtwdev);
- }
- EXPORT_SYMBOL(rtw_parse_tbl_txpwr_lmt);
- void rtw_phy_cfg_mac(struct rtw_dev *rtwdev, const struct rtw_table *tbl,
- u32 addr, u32 data)
- {
- rtw_write8(rtwdev, addr, data);
- }
- EXPORT_SYMBOL(rtw_phy_cfg_mac);
- void rtw_phy_cfg_agc(struct rtw_dev *rtwdev, const struct rtw_table *tbl,
- u32 addr, u32 data)
- {
- rtw_write32(rtwdev, addr, data);
- }
- EXPORT_SYMBOL(rtw_phy_cfg_agc);
- void rtw_phy_cfg_bb(struct rtw_dev *rtwdev, const struct rtw_table *tbl,
- u32 addr, u32 data)
- {
- if (addr == 0xfe)
- msleep(50);
- else if (addr == 0xfd)
- mdelay(5);
- else if (addr == 0xfc)
- mdelay(1);
- else if (addr == 0xfb)
- usleep_range(50, 60);
- else if (addr == 0xfa)
- udelay(5);
- else if (addr == 0xf9)
- udelay(1);
- else
- rtw_write32(rtwdev, addr, data);
- }
- EXPORT_SYMBOL(rtw_phy_cfg_bb);
- void rtw_phy_cfg_rf(struct rtw_dev *rtwdev, const struct rtw_table *tbl,
- u32 addr, u32 data)
- {
- if (addr == 0xffe) {
- msleep(50);
- } else if (addr == 0xfe) {
- usleep_range(100, 110);
- } else {
- rtw_write_rf(rtwdev, tbl->rf_path, addr, RFREG_MASK, data);
- udelay(1);
- }
- }
- EXPORT_SYMBOL(rtw_phy_cfg_rf);
- static void rtw_load_rfk_table(struct rtw_dev *rtwdev)
- {
- const struct rtw_chip_info *chip = rtwdev->chip;
- struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info;
- if (!chip->rfk_init_tbl)
- return;
- rtw_write32_mask(rtwdev, 0x1e24, BIT(17), 0x1);
- rtw_write32_mask(rtwdev, 0x1cd0, BIT(28), 0x1);
- rtw_write32_mask(rtwdev, 0x1cd0, BIT(29), 0x1);
- rtw_write32_mask(rtwdev, 0x1cd0, BIT(30), 0x1);
- rtw_write32_mask(rtwdev, 0x1cd0, BIT(31), 0x0);
- rtw_load_table(rtwdev, chip->rfk_init_tbl);
- dpk_info->is_dpk_pwr_on = true;
- }
- void rtw_phy_load_tables(struct rtw_dev *rtwdev)
- {
- const struct rtw_chip_info *chip = rtwdev->chip;
- u8 rf_path;
- rtw_load_table(rtwdev, chip->mac_tbl);
- rtw_load_table(rtwdev, chip->bb_tbl);
- rtw_load_table(rtwdev, chip->agc_tbl);
- rtw_load_rfk_table(rtwdev);
- for (rf_path = 0; rf_path < rtwdev->hal.rf_path_num; rf_path++) {
- const struct rtw_table *tbl;
- tbl = chip->rf_tbl[rf_path];
- rtw_load_table(rtwdev, tbl);
- }
- }
- EXPORT_SYMBOL(rtw_phy_load_tables);
- static u8 rtw_get_channel_group(u8 channel, u8 rate)
- {
- switch (channel) {
- default:
- WARN_ON(1);
- fallthrough;
- case 1:
- case 2:
- case 36:
- case 38:
- case 40:
- case 42:
- return 0;
- case 3:
- case 4:
- case 5:
- case 44:
- case 46:
- case 48:
- case 50:
- return 1;
- case 6:
- case 7:
- case 8:
- case 52:
- case 54:
- case 56:
- case 58:
- return 2;
- case 9:
- case 10:
- case 11:
- case 60:
- case 62:
- case 64:
- return 3;
- case 12:
- case 13:
- case 100:
- case 102:
- case 104:
- case 106:
- return 4;
- case 14:
- return rate <= DESC_RATE11M ? 5 : 4;
- case 108:
- case 110:
- case 112:
- case 114:
- return 5;
- case 116:
- case 118:
- case 120:
- case 122:
- return 6;
- case 124:
- case 126:
- case 128:
- case 130:
- return 7;
- case 132:
- case 134:
- case 136:
- case 138:
- return 8;
- case 140:
- case 142:
- case 144:
- return 9;
- case 149:
- case 151:
- case 153:
- case 155:
- return 10;
- case 157:
- case 159:
- case 161:
- return 11;
- case 165:
- case 167:
- case 169:
- case 171:
- return 12;
- case 173:
- case 175:
- case 177:
- return 13;
- }
- }
- static s8 rtw_phy_get_dis_dpd_by_rate_diff(struct rtw_dev *rtwdev, u16 rate)
- {
- const struct rtw_chip_info *chip = rtwdev->chip;
- s8 dpd_diff = 0;
- if (!chip->en_dis_dpd)
- return 0;
- #define RTW_DPD_RATE_CHECK(_rate) \
- case DESC_RATE ## _rate: \
- if (DIS_DPD_RATE ## _rate & chip->dpd_ratemask) \
- dpd_diff = -6 * chip->txgi_factor; \
- break
- switch (rate) {
- RTW_DPD_RATE_CHECK(6M);
- RTW_DPD_RATE_CHECK(9M);
- RTW_DPD_RATE_CHECK(MCS0);
- RTW_DPD_RATE_CHECK(MCS1);
- RTW_DPD_RATE_CHECK(MCS8);
- RTW_DPD_RATE_CHECK(MCS9);
- RTW_DPD_RATE_CHECK(VHT1SS_MCS0);
- RTW_DPD_RATE_CHECK(VHT1SS_MCS1);
- RTW_DPD_RATE_CHECK(VHT2SS_MCS0);
- RTW_DPD_RATE_CHECK(VHT2SS_MCS1);
- }
- #undef RTW_DPD_RATE_CHECK
- return dpd_diff;
- }
- static u8 rtw_phy_get_2g_tx_power_index(struct rtw_dev *rtwdev,
- struct rtw_2g_txpwr_idx *pwr_idx_2g,
- enum rtw_bandwidth bandwidth,
- u8 rate, u8 group)
- {
- const struct rtw_chip_info *chip = rtwdev->chip;
- u8 tx_power;
- bool mcs_rate;
- bool above_2ss;
- u8 factor = chip->txgi_factor;
- if (rate <= DESC_RATE11M)
- tx_power = pwr_idx_2g->cck_base[group];
- else
- tx_power = pwr_idx_2g->bw40_base[group];
- if (rate >= DESC_RATE6M && rate <= DESC_RATE54M)
- tx_power += pwr_idx_2g->ht_1s_diff.ofdm * factor;
- mcs_rate = (rate >= DESC_RATEMCS0 && rate <= DESC_RATEMCS15) ||
- (rate >= DESC_RATEVHT1SS_MCS0 &&
- rate <= DESC_RATEVHT2SS_MCS9);
- above_2ss = (rate >= DESC_RATEMCS8 && rate <= DESC_RATEMCS15) ||
- (rate >= DESC_RATEVHT2SS_MCS0);
- if (!mcs_rate)
- return tx_power;
- switch (bandwidth) {
- default:
- WARN_ON(1);
- fallthrough;
- case RTW_CHANNEL_WIDTH_20:
- tx_power += pwr_idx_2g->ht_1s_diff.bw20 * factor;
- if (above_2ss)
- tx_power += pwr_idx_2g->ht_2s_diff.bw20 * factor;
- break;
- case RTW_CHANNEL_WIDTH_40:
- /* bw40 is the base power */
- if (above_2ss)
- tx_power += pwr_idx_2g->ht_2s_diff.bw40 * factor;
- break;
- }
- return tx_power;
- }
- static u8 rtw_phy_get_5g_tx_power_index(struct rtw_dev *rtwdev,
- struct rtw_5g_txpwr_idx *pwr_idx_5g,
- enum rtw_bandwidth bandwidth,
- u8 rate, u8 group)
- {
- const struct rtw_chip_info *chip = rtwdev->chip;
- u8 tx_power;
- u8 upper, lower;
- bool mcs_rate;
- bool above_2ss;
- u8 factor = chip->txgi_factor;
- tx_power = pwr_idx_5g->bw40_base[group];
- mcs_rate = (rate >= DESC_RATEMCS0 && rate <= DESC_RATEMCS15) ||
- (rate >= DESC_RATEVHT1SS_MCS0 &&
- rate <= DESC_RATEVHT2SS_MCS9);
- above_2ss = (rate >= DESC_RATEMCS8 && rate <= DESC_RATEMCS15) ||
- (rate >= DESC_RATEVHT2SS_MCS0);
- if (!mcs_rate) {
- tx_power += pwr_idx_5g->ht_1s_diff.ofdm * factor;
- return tx_power;
- }
- switch (bandwidth) {
- default:
- WARN_ON(1);
- fallthrough;
- case RTW_CHANNEL_WIDTH_20:
- tx_power += pwr_idx_5g->ht_1s_diff.bw20 * factor;
- if (above_2ss)
- tx_power += pwr_idx_5g->ht_2s_diff.bw20 * factor;
- break;
- case RTW_CHANNEL_WIDTH_40:
- /* bw40 is the base power */
- if (above_2ss)
- tx_power += pwr_idx_5g->ht_2s_diff.bw40 * factor;
- break;
- case RTW_CHANNEL_WIDTH_80:
- /* the base idx of bw80 is the average of bw40+/bw40- */
- lower = pwr_idx_5g->bw40_base[group];
- upper = pwr_idx_5g->bw40_base[group + 1];
- tx_power = (lower + upper) / 2;
- tx_power += pwr_idx_5g->vht_1s_diff.bw80 * factor;
- if (above_2ss)
- tx_power += pwr_idx_5g->vht_2s_diff.bw80 * factor;
- break;
- }
- return tx_power;
- }
- /* return RTW_RATE_SECTION_MAX to indicate rate is invalid */
- static u8 rtw_phy_rate_to_rate_section(u8 rate)
- {
- if (rate >= DESC_RATE1M && rate <= DESC_RATE11M)
- return RTW_RATE_SECTION_CCK;
- else if (rate >= DESC_RATE6M && rate <= DESC_RATE54M)
- return RTW_RATE_SECTION_OFDM;
- else if (rate >= DESC_RATEMCS0 && rate <= DESC_RATEMCS7)
- return RTW_RATE_SECTION_HT_1S;
- else if (rate >= DESC_RATEMCS8 && rate <= DESC_RATEMCS15)
- return RTW_RATE_SECTION_HT_2S;
- else if (rate >= DESC_RATEVHT1SS_MCS0 && rate <= DESC_RATEVHT1SS_MCS9)
- return RTW_RATE_SECTION_VHT_1S;
- else if (rate >= DESC_RATEVHT2SS_MCS0 && rate <= DESC_RATEVHT2SS_MCS9)
- return RTW_RATE_SECTION_VHT_2S;
- else
- return RTW_RATE_SECTION_MAX;
- }
- static s8 rtw_phy_get_tx_power_limit(struct rtw_dev *rtwdev, u8 band,
- enum rtw_bandwidth bw, u8 rf_path,
- u8 rate, u8 channel, u8 regd)
- {
- struct rtw_hal *hal = &rtwdev->hal;
- u8 *cch_by_bw = hal->cch_by_bw;
- s8 power_limit = (s8)rtwdev->chip->max_power_index;
- u8 rs = rtw_phy_rate_to_rate_section(rate);
- int ch_idx;
- u8 cur_bw, cur_ch;
- s8 cur_lmt;
- if (regd > RTW_REGD_WW)
- return power_limit;
- if (rs == RTW_RATE_SECTION_MAX)
- goto err;
- /* only 20M BW with cck and ofdm */
- if (rs == RTW_RATE_SECTION_CCK || rs == RTW_RATE_SECTION_OFDM)
- bw = RTW_CHANNEL_WIDTH_20;
- /* only 20/40M BW with ht */
- if (rs == RTW_RATE_SECTION_HT_1S || rs == RTW_RATE_SECTION_HT_2S)
- bw = min_t(u8, bw, RTW_CHANNEL_WIDTH_40);
- /* select min power limit among [20M BW ~ current BW] */
- for (cur_bw = RTW_CHANNEL_WIDTH_20; cur_bw <= bw; cur_bw++) {
- cur_ch = cch_by_bw[cur_bw];
- ch_idx = rtw_channel_to_idx(band, cur_ch);
- if (ch_idx < 0)
- goto err;
- cur_lmt = cur_ch <= RTW_MAX_CHANNEL_NUM_2G ?
- hal->tx_pwr_limit_2g[regd][cur_bw][rs][ch_idx] :
- hal->tx_pwr_limit_5g[regd][cur_bw][rs][ch_idx];
- power_limit = min_t(s8, cur_lmt, power_limit);
- }
- return power_limit;
- err:
- WARN(1, "invalid arguments, band=%d, bw=%d, path=%d, rate=%d, ch=%d\n",
- band, bw, rf_path, rate, channel);
- return (s8)rtwdev->chip->max_power_index;
- }
- static s8 rtw_phy_get_tx_power_sar(struct rtw_dev *rtwdev, u8 sar_band,
- u8 rf_path, u8 rate)
- {
- u8 rs = rtw_phy_rate_to_rate_section(rate);
- struct rtw_sar_arg arg = {
- .sar_band = sar_band,
- .path = rf_path,
- .rs = rs,
- };
- if (rs == RTW_RATE_SECTION_MAX)
- goto err;
- return rtw_query_sar(rtwdev, &arg);
- err:
- WARN(1, "invalid arguments, sar_band=%d, path=%d, rate=%d\n",
- sar_band, rf_path, rate);
- return (s8)rtwdev->chip->max_power_index;
- }
- void rtw_get_tx_power_params(struct rtw_dev *rtwdev, u8 path, u8 rate, u8 bw,
- u8 ch, u8 regd, struct rtw_power_params *pwr_param)
- {
- struct rtw_hal *hal = &rtwdev->hal;
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- struct rtw_txpwr_idx *pwr_idx;
- u8 group, band;
- u8 *base = &pwr_param->pwr_base;
- s8 *offset = &pwr_param->pwr_offset;
- s8 *limit = &pwr_param->pwr_limit;
- s8 *remnant = &pwr_param->pwr_remnant;
- s8 *sar = &pwr_param->pwr_sar;
- pwr_idx = &rtwdev->efuse.txpwr_idx_table[path];
- group = rtw_get_channel_group(ch, rate);
- /* base power index for 2.4G/5G */
- if (IS_CH_2G_BAND(ch)) {
- band = PHY_BAND_2G;
- *base = rtw_phy_get_2g_tx_power_index(rtwdev,
- &pwr_idx->pwr_idx_2g,
- bw, rate, group);
- *offset = hal->tx_pwr_by_rate_offset_2g[path][rate];
- } else {
- band = PHY_BAND_5G;
- *base = rtw_phy_get_5g_tx_power_index(rtwdev,
- &pwr_idx->pwr_idx_5g,
- bw, rate, group);
- *offset = hal->tx_pwr_by_rate_offset_5g[path][rate];
- }
- *limit = rtw_phy_get_tx_power_limit(rtwdev, band, bw, path,
- rate, ch, regd);
- *remnant = (rate <= DESC_RATE11M ? dm_info->txagc_remnant_cck :
- dm_info->txagc_remnant_ofdm);
- *sar = rtw_phy_get_tx_power_sar(rtwdev, hal->sar_band, path, rate);
- }
- u8
- rtw_phy_get_tx_power_index(struct rtw_dev *rtwdev, u8 rf_path, u8 rate,
- enum rtw_bandwidth bandwidth, u8 channel, u8 regd)
- {
- struct rtw_power_params pwr_param = {0};
- u8 tx_power;
- s8 offset;
- rtw_get_tx_power_params(rtwdev, rf_path, rate, bandwidth,
- channel, regd, &pwr_param);
- tx_power = pwr_param.pwr_base;
- offset = min3(pwr_param.pwr_offset,
- pwr_param.pwr_limit,
- pwr_param.pwr_sar);
- if (rtwdev->chip->en_dis_dpd)
- offset += rtw_phy_get_dis_dpd_by_rate_diff(rtwdev, rate);
- tx_power += offset + pwr_param.pwr_remnant;
- if (tx_power > rtwdev->chip->max_power_index)
- tx_power = rtwdev->chip->max_power_index;
- return tx_power;
- }
- EXPORT_SYMBOL(rtw_phy_get_tx_power_index);
- static void rtw_phy_set_tx_power_index_by_rs(struct rtw_dev *rtwdev,
- u8 ch, u8 path, u8 rs)
- {
- struct rtw_hal *hal = &rtwdev->hal;
- u8 regd = rtw_regd_get(rtwdev);
- u8 *rates;
- u8 size;
- u8 rate;
- u8 pwr_idx;
- u8 bw;
- int i;
- if (rs >= RTW_RATE_SECTION_MAX)
- return;
- rates = rtw_rate_section[rs];
- size = rtw_rate_size[rs];
- bw = hal->current_band_width;
- for (i = 0; i < size; i++) {
- rate = rates[i];
- pwr_idx = rtw_phy_get_tx_power_index(rtwdev, path, rate,
- bw, ch, regd);
- hal->tx_pwr_tbl[path][rate] = pwr_idx;
- }
- }
- /* set tx power level by path for each rates, note that the order of the rates
- * are *very* important, bacause 8822B/8821C combines every four bytes of tx
- * power index into a four-byte power index register, and calls set_tx_agc to
- * write these values into hardware
- */
- static void rtw_phy_set_tx_power_level_by_path(struct rtw_dev *rtwdev,
- u8 ch, u8 path)
- {
- struct rtw_hal *hal = &rtwdev->hal;
- u8 rs;
- /* do not need cck rates if we are not in 2.4G */
- if (hal->current_band_type == RTW_BAND_2G)
- rs = RTW_RATE_SECTION_CCK;
- else
- rs = RTW_RATE_SECTION_OFDM;
- for (; rs < RTW_RATE_SECTION_MAX; rs++)
- rtw_phy_set_tx_power_index_by_rs(rtwdev, ch, path, rs);
- }
- void rtw_phy_set_tx_power_level(struct rtw_dev *rtwdev, u8 channel)
- {
- const struct rtw_chip_info *chip = rtwdev->chip;
- struct rtw_hal *hal = &rtwdev->hal;
- u8 path;
- mutex_lock(&hal->tx_power_mutex);
- for (path = 0; path < hal->rf_path_num; path++)
- rtw_phy_set_tx_power_level_by_path(rtwdev, channel, path);
- chip->ops->set_tx_power_index(rtwdev);
- mutex_unlock(&hal->tx_power_mutex);
- }
- EXPORT_SYMBOL(rtw_phy_set_tx_power_level);
- static void
- rtw_phy_tx_power_by_rate_config_by_path(struct rtw_hal *hal, u8 path,
- u8 rs, u8 size, u8 *rates)
- {
- u8 rate;
- u8 base_idx, rate_idx;
- s8 base_2g, base_5g;
- if (rs >= RTW_RATE_SECTION_VHT_1S)
- base_idx = rates[size - 3];
- else
- base_idx = rates[size - 1];
- base_2g = hal->tx_pwr_by_rate_offset_2g[path][base_idx];
- base_5g = hal->tx_pwr_by_rate_offset_5g[path][base_idx];
- hal->tx_pwr_by_rate_base_2g[path][rs] = base_2g;
- hal->tx_pwr_by_rate_base_5g[path][rs] = base_5g;
- for (rate = 0; rate < size; rate++) {
- rate_idx = rates[rate];
- hal->tx_pwr_by_rate_offset_2g[path][rate_idx] -= base_2g;
- hal->tx_pwr_by_rate_offset_5g[path][rate_idx] -= base_5g;
- }
- }
- void rtw_phy_tx_power_by_rate_config(struct rtw_hal *hal)
- {
- u8 path;
- for (path = 0; path < RTW_RF_PATH_MAX; path++) {
- rtw_phy_tx_power_by_rate_config_by_path(hal, path,
- RTW_RATE_SECTION_CCK,
- rtw_cck_size, rtw_cck_rates);
- rtw_phy_tx_power_by_rate_config_by_path(hal, path,
- RTW_RATE_SECTION_OFDM,
- rtw_ofdm_size, rtw_ofdm_rates);
- rtw_phy_tx_power_by_rate_config_by_path(hal, path,
- RTW_RATE_SECTION_HT_1S,
- rtw_ht_1s_size, rtw_ht_1s_rates);
- rtw_phy_tx_power_by_rate_config_by_path(hal, path,
- RTW_RATE_SECTION_HT_2S,
- rtw_ht_2s_size, rtw_ht_2s_rates);
- rtw_phy_tx_power_by_rate_config_by_path(hal, path,
- RTW_RATE_SECTION_VHT_1S,
- rtw_vht_1s_size, rtw_vht_1s_rates);
- rtw_phy_tx_power_by_rate_config_by_path(hal, path,
- RTW_RATE_SECTION_VHT_2S,
- rtw_vht_2s_size, rtw_vht_2s_rates);
- }
- }
- static void
- __rtw_phy_tx_power_limit_config(struct rtw_hal *hal, u8 regd, u8 bw, u8 rs)
- {
- s8 base;
- u8 ch;
- for (ch = 0; ch < RTW_MAX_CHANNEL_NUM_2G; ch++) {
- base = hal->tx_pwr_by_rate_base_2g[0][rs];
- hal->tx_pwr_limit_2g[regd][bw][rs][ch] -= base;
- }
- for (ch = 0; ch < RTW_MAX_CHANNEL_NUM_5G; ch++) {
- base = hal->tx_pwr_by_rate_base_5g[0][rs];
- hal->tx_pwr_limit_5g[regd][bw][rs][ch] -= base;
- }
- }
- void rtw_phy_tx_power_limit_config(struct rtw_hal *hal)
- {
- u8 regd, bw, rs;
- /* default at channel 1 */
- hal->cch_by_bw[RTW_CHANNEL_WIDTH_20] = 1;
- for (regd = 0; regd < RTW_REGD_MAX; regd++)
- for (bw = 0; bw < RTW_CHANNEL_WIDTH_MAX; bw++)
- for (rs = 0; rs < RTW_RATE_SECTION_MAX; rs++)
- __rtw_phy_tx_power_limit_config(hal, regd, bw, rs);
- }
- static void rtw_phy_init_tx_power_limit(struct rtw_dev *rtwdev,
- u8 regd, u8 bw, u8 rs)
- {
- struct rtw_hal *hal = &rtwdev->hal;
- s8 max_power_index = (s8)rtwdev->chip->max_power_index;
- u8 ch;
- /* 2.4G channels */
- for (ch = 0; ch < RTW_MAX_CHANNEL_NUM_2G; ch++)
- hal->tx_pwr_limit_2g[regd][bw][rs][ch] = max_power_index;
- /* 5G channels */
- for (ch = 0; ch < RTW_MAX_CHANNEL_NUM_5G; ch++)
- hal->tx_pwr_limit_5g[regd][bw][rs][ch] = max_power_index;
- }
- void rtw_phy_init_tx_power(struct rtw_dev *rtwdev)
- {
- struct rtw_hal *hal = &rtwdev->hal;
- u8 regd, path, rate, rs, bw;
- /* init tx power by rate offset */
- for (path = 0; path < RTW_RF_PATH_MAX; path++) {
- for (rate = 0; rate < DESC_RATE_MAX; rate++) {
- hal->tx_pwr_by_rate_offset_2g[path][rate] = 0;
- hal->tx_pwr_by_rate_offset_5g[path][rate] = 0;
- }
- }
- /* init tx power limit */
- for (regd = 0; regd < RTW_REGD_MAX; regd++)
- for (bw = 0; bw < RTW_CHANNEL_WIDTH_MAX; bw++)
- for (rs = 0; rs < RTW_RATE_SECTION_MAX; rs++)
- rtw_phy_init_tx_power_limit(rtwdev, regd, bw,
- rs);
- }
- void rtw_phy_config_swing_table(struct rtw_dev *rtwdev,
- struct rtw_swing_table *swing_table)
- {
- const struct rtw_pwr_track_tbl *tbl = rtwdev->chip->pwr_track_tbl;
- u8 channel = rtwdev->hal.current_channel;
- if (IS_CH_2G_BAND(channel)) {
- if (rtwdev->dm_info.tx_rate <= DESC_RATE11M) {
- swing_table->p[RF_PATH_A] = tbl->pwrtrk_2g_ccka_p;
- swing_table->n[RF_PATH_A] = tbl->pwrtrk_2g_ccka_n;
- swing_table->p[RF_PATH_B] = tbl->pwrtrk_2g_cckb_p;
- swing_table->n[RF_PATH_B] = tbl->pwrtrk_2g_cckb_n;
- } else {
- swing_table->p[RF_PATH_A] = tbl->pwrtrk_2ga_p;
- swing_table->n[RF_PATH_A] = tbl->pwrtrk_2ga_n;
- swing_table->p[RF_PATH_B] = tbl->pwrtrk_2gb_p;
- swing_table->n[RF_PATH_B] = tbl->pwrtrk_2gb_n;
- }
- } else if (IS_CH_5G_BAND_1(channel) || IS_CH_5G_BAND_2(channel)) {
- swing_table->p[RF_PATH_A] = tbl->pwrtrk_5ga_p[RTW_PWR_TRK_5G_1];
- swing_table->n[RF_PATH_A] = tbl->pwrtrk_5ga_n[RTW_PWR_TRK_5G_1];
- swing_table->p[RF_PATH_B] = tbl->pwrtrk_5gb_p[RTW_PWR_TRK_5G_1];
- swing_table->n[RF_PATH_B] = tbl->pwrtrk_5gb_n[RTW_PWR_TRK_5G_1];
- } else if (IS_CH_5G_BAND_3(channel)) {
- swing_table->p[RF_PATH_A] = tbl->pwrtrk_5ga_p[RTW_PWR_TRK_5G_2];
- swing_table->n[RF_PATH_A] = tbl->pwrtrk_5ga_n[RTW_PWR_TRK_5G_2];
- swing_table->p[RF_PATH_B] = tbl->pwrtrk_5gb_p[RTW_PWR_TRK_5G_2];
- swing_table->n[RF_PATH_B] = tbl->pwrtrk_5gb_n[RTW_PWR_TRK_5G_2];
- } else if (IS_CH_5G_BAND_4(channel)) {
- swing_table->p[RF_PATH_A] = tbl->pwrtrk_5ga_p[RTW_PWR_TRK_5G_3];
- swing_table->n[RF_PATH_A] = tbl->pwrtrk_5ga_n[RTW_PWR_TRK_5G_3];
- swing_table->p[RF_PATH_B] = tbl->pwrtrk_5gb_p[RTW_PWR_TRK_5G_3];
- swing_table->n[RF_PATH_B] = tbl->pwrtrk_5gb_n[RTW_PWR_TRK_5G_3];
- } else {
- swing_table->p[RF_PATH_A] = tbl->pwrtrk_2ga_p;
- swing_table->n[RF_PATH_A] = tbl->pwrtrk_2ga_n;
- swing_table->p[RF_PATH_B] = tbl->pwrtrk_2gb_p;
- swing_table->n[RF_PATH_B] = tbl->pwrtrk_2gb_n;
- }
- }
- EXPORT_SYMBOL(rtw_phy_config_swing_table);
- void rtw_phy_pwrtrack_avg(struct rtw_dev *rtwdev, u8 thermal, u8 path)
- {
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- ewma_thermal_add(&dm_info->avg_thermal[path], thermal);
- dm_info->thermal_avg[path] =
- ewma_thermal_read(&dm_info->avg_thermal[path]);
- }
- EXPORT_SYMBOL(rtw_phy_pwrtrack_avg);
- bool rtw_phy_pwrtrack_thermal_changed(struct rtw_dev *rtwdev, u8 thermal,
- u8 path)
- {
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- u8 avg = ewma_thermal_read(&dm_info->avg_thermal[path]);
- if (avg == thermal)
- return false;
- return true;
- }
- EXPORT_SYMBOL(rtw_phy_pwrtrack_thermal_changed);
- u8 rtw_phy_pwrtrack_get_delta(struct rtw_dev *rtwdev, u8 path)
- {
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- u8 therm_avg, therm_efuse, therm_delta;
- therm_avg = dm_info->thermal_avg[path];
- therm_efuse = rtwdev->efuse.thermal_meter[path];
- therm_delta = abs(therm_avg - therm_efuse);
- return min_t(u8, therm_delta, RTW_PWR_TRK_TBL_SZ - 1);
- }
- EXPORT_SYMBOL(rtw_phy_pwrtrack_get_delta);
- s8 rtw_phy_pwrtrack_get_pwridx(struct rtw_dev *rtwdev,
- struct rtw_swing_table *swing_table,
- u8 tbl_path, u8 therm_path, u8 delta)
- {
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- const u8 *delta_swing_table_idx_pos;
- const u8 *delta_swing_table_idx_neg;
- if (delta >= RTW_PWR_TRK_TBL_SZ) {
- rtw_warn(rtwdev, "power track table overflow\n");
- return 0;
- }
- if (!swing_table) {
- rtw_warn(rtwdev, "swing table not configured\n");
- return 0;
- }
- delta_swing_table_idx_pos = swing_table->p[tbl_path];
- delta_swing_table_idx_neg = swing_table->n[tbl_path];
- if (!delta_swing_table_idx_pos || !delta_swing_table_idx_neg) {
- rtw_warn(rtwdev, "invalid swing table index\n");
- return 0;
- }
- if (dm_info->thermal_avg[therm_path] >
- rtwdev->efuse.thermal_meter[therm_path])
- return delta_swing_table_idx_pos[delta];
- else
- return -delta_swing_table_idx_neg[delta];
- }
- EXPORT_SYMBOL(rtw_phy_pwrtrack_get_pwridx);
- bool rtw_phy_pwrtrack_need_lck(struct rtw_dev *rtwdev)
- {
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- u8 delta_lck;
- delta_lck = abs(dm_info->thermal_avg[0] - dm_info->thermal_meter_lck);
- if (delta_lck >= rtwdev->chip->lck_threshold) {
- dm_info->thermal_meter_lck = dm_info->thermal_avg[0];
- return true;
- }
- return false;
- }
- EXPORT_SYMBOL(rtw_phy_pwrtrack_need_lck);
- bool rtw_phy_pwrtrack_need_iqk(struct rtw_dev *rtwdev)
- {
- struct rtw_dm_info *dm_info = &rtwdev->dm_info;
- u8 delta_iqk;
- delta_iqk = abs(dm_info->thermal_avg[0] - dm_info->thermal_meter_k);
- if (delta_iqk >= rtwdev->chip->iqk_threshold) {
- dm_info->thermal_meter_k = dm_info->thermal_avg[0];
- return true;
- }
- return false;
- }
- EXPORT_SYMBOL(rtw_phy_pwrtrack_need_iqk);
- static void rtw_phy_set_tx_path_by_reg(struct rtw_dev *rtwdev,
- enum rtw_bb_path tx_path_sel_1ss)
- {
- struct rtw_path_div *path_div = &rtwdev->dm_path_div;
- enum rtw_bb_path tx_path_sel_cck = tx_path_sel_1ss;
- const struct rtw_chip_info *chip = rtwdev->chip;
- if (tx_path_sel_1ss == path_div->current_tx_path)
- return;
- path_div->current_tx_path = tx_path_sel_1ss;
- rtw_dbg(rtwdev, RTW_DBG_PATH_DIV, "Switch TX path=%s\n",
- tx_path_sel_1ss == BB_PATH_A ? "A" : "B");
- chip->ops->config_tx_path(rtwdev, rtwdev->hal.antenna_tx,
- tx_path_sel_1ss, tx_path_sel_cck, false);
- }
- static void rtw_phy_tx_path_div_select(struct rtw_dev *rtwdev)
- {
- struct rtw_path_div *path_div = &rtwdev->dm_path_div;
- enum rtw_bb_path path = path_div->current_tx_path;
- s32 rssi_a = 0, rssi_b = 0;
- if (path_div->path_a_cnt)
- rssi_a = path_div->path_a_sum / path_div->path_a_cnt;
- else
- rssi_a = 0;
- if (path_div->path_b_cnt)
- rssi_b = path_div->path_b_sum / path_div->path_b_cnt;
- else
- rssi_b = 0;
- if (rssi_a != rssi_b)
- path = (rssi_a > rssi_b) ? BB_PATH_A : BB_PATH_B;
- path_div->path_a_cnt = 0;
- path_div->path_a_sum = 0;
- path_div->path_b_cnt = 0;
- path_div->path_b_sum = 0;
- rtw_phy_set_tx_path_by_reg(rtwdev, path);
- }
- static void rtw_phy_tx_path_diversity_2ss(struct rtw_dev *rtwdev)
- {
- if (rtwdev->hal.antenna_rx != BB_PATH_AB) {
- rtw_dbg(rtwdev, RTW_DBG_PATH_DIV,
- "[Return] tx_Path_en=%d, rx_Path_en=%d\n",
- rtwdev->hal.antenna_tx, rtwdev->hal.antenna_rx);
- return;
- }
- if (rtwdev->sta_cnt == 0) {
- rtw_dbg(rtwdev, RTW_DBG_PATH_DIV, "No Link\n");
- return;
- }
- rtw_phy_tx_path_div_select(rtwdev);
- }
- void rtw_phy_tx_path_diversity(struct rtw_dev *rtwdev)
- {
- const struct rtw_chip_info *chip = rtwdev->chip;
- if (!chip->path_div_supported)
- return;
- rtw_phy_tx_path_diversity_2ss(rtwdev);
- }
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