diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/phy.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/phy.c | 1969 |
1 files changed, 1969 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/phy.c b/drivers/net/wireless/realtek/rtw88/phy.c new file mode 100644 index 0000000..47d199d --- /dev/null +++ b/drivers/net/wireless/realtek/rtw88/phy.c @@ -0,0 +1,1969 @@ +// 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" + +struct phy_cfg_pair { + u32 addr; + u32 data; +}; + +union phy_table_tile { + struct rtw_phy_cond cond; + struct phy_cfg_pair cfg; +}; + +struct phy_pg_cfg_pair { + u32 band; + u32 rf_path; + u32 tx_num; + u32 addr; + u32 bitmask; + u32 data; +}; + +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 +}; +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) +}; +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_init(struct rtw_dev *rtwdev) +{ + 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); +} + +void rtw_phy_dig_write(struct rtw_dev *rtwdev, u8 igi) +{ + struct rtw_chip_info *chip = rtwdev->chip; + struct rtw_hal *hal = &rtwdev->hal; + u32 addr, mask; + u8 path; + + 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) +{ + 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_statistics(struct rtw_dev *rtwdev) +{ + rtw_phy_stat_rssi(rtwdev); + rtw_phy_stat_false_alarm(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_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; + /* 22B=0x1c, 22C=0x20 */ + dig_min = 0x1c; + 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 (rtw_flag_check(rtwdev, RTW_FLAG_DIG_DISABLE)) + 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(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); +} + +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 void rtw_phy_dpk_track(struct rtw_dev *rtwdev) +{ + struct rtw_chip_info *chip = rtwdev->chip; + + if (chip->ops->dpk_track) + chip->ops->dpk_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) +{ + struct rtw_dm_info *dm_info = &rtwdev->dm_info; + struct rtw_chip_info *chip = rtwdev->chip; + 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; + + 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); +} + +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_info_update(rtwdev); + rtw_phy_dpk_track(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; + + if (linear >= db_invert_table[11][7]) + return 96; /* maximum 96 dB */ + + for (i = 0; i < 12; i++) { + if (i <= 2 && (linear << FRAC_BITS) <= db_invert_table[i][7]) + break; + else if (i > 2 && linear <= db_invert_table[i][7]) + break; + } + + for (j = 0; j < 8; j++) { + if (i <= 2 && (linear << FRAC_BITS) <= db_invert_table[i][j]) + break; + else if (i > 2 && linear <= db_invert_table[i][j]) + break; + } + + 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); +} + +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; + struct rtw_chip_info *chip = rtwdev->chip; + const u32 *base_addr = chip->rf_base_addr; + u32 val, direct_addr; + + if (rf_path >= hal->rf_path_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; +} + +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; + struct rtw_chip_info *chip = rtwdev->chip; + u32 *sipi_addr = chip->rf_sipi_addr; + u32 data_and_addr; + u32 old_data = 0; + u32 shift; + + if (rf_path >= hal->rf_path_num) { + rtw_err(rtwdev, "unsupported rf path (%d)\n", rf_path); + return false; + } + + addr &= 0xff; + mask &= RFREG_MASK; + + if (mask != RFREG_MASK) { + old_data = rtw_phy_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; +} + +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; + struct rtw_chip_info *chip = rtwdev->chip; + const u32 *base_addr = chip->rf_base_addr; + u32 direct_addr; + + if (rf_path >= hal->rf_path_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; + + if (addr == RF_CFGCH) { + rtw_write32_mask(rtwdev, REG_RSV_CTRL, BITS_RFC_DIRECT, DISABLE_PI); + rtw_write32_mask(rtwdev, REG_WLRF1, BITS_RFC_DIRECT, DISABLE_PI); + } + + rtw_write32_mask(rtwdev, direct_addr, mask, data); + + udelay(1); + + if (addr == RF_CFGCH) { + rtw_write32_mask(rtwdev, REG_RSV_CTRL, BITS_RFC_DIRECT, ENABLE_PI); + rtw_write32_mask(rtwdev, REG_WLRF1, BITS_RFC_DIRECT, ENABLE_PI); + } + + 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); +} + +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); + } + } +} + +#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 phy_pg_cfg_pair *p = tbl->data; + const struct phy_pg_cfg_pair *end = p + tbl->size / 6; + + BUILD_BUG_ON(sizeof(struct phy_pg_cfg_pair) != sizeof(u32) * 6); + + 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); + } +} + +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); +} + +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; + + for (; p < end; p++) { + rtw_phy_set_tx_power_limit(rtwdev, p->regd, p->band, + p->bw, p->rs, p->ch, p->txpwr_lmt); + } + + rtw_xref_txpwr_lmt(rtwdev); +} + +void rtw_phy_cfg_mac(struct rtw_dev *rtwdev, const struct rtw_table *tbl, + u32 addr, u32 data) +{ + rtw_write8(rtwdev, addr, data); +} + +void rtw_phy_cfg_agc(struct rtw_dev *rtwdev, const struct rtw_table *tbl, + u32 addr, u32 data) +{ + rtw_write32(rtwdev, addr, data); +} + +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); +} + +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); + } +} + +static void rtw_load_rfk_table(struct rtw_dev *rtwdev) +{ + 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 = 1; +} + +void rtw_phy_load_tables(struct rtw_dev *rtwdev) +{ + 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); + } +} + +static u8 rtw_get_channel_group(u8 channel) +{ + switch (channel) { + default: + WARN_ON(1); + /* fall through */ + 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: + 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) +{ + 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) +{ + 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); + /* fall through */ + 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) +{ + 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); + /* fall through */ + 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; +} + +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; + int ch_idx; + u8 cur_bw, cur_ch; + s8 cur_lmt; + + if (regd > RTW_REGD_WW) + return power_limit; + + if (rate >= DESC_RATE1M && rate <= DESC_RATE11M) + rs = RTW_RATE_SECTION_CCK; + else if (rate >= DESC_RATE6M && rate <= DESC_RATE54M) + rs = RTW_RATE_SECTION_OFDM; + else if (rate >= DESC_RATEMCS0 && rate <= DESC_RATEMCS7) + rs = RTW_RATE_SECTION_HT_1S; + else if (rate >= DESC_RATEMCS8 && rate <= DESC_RATEMCS15) + rs = RTW_RATE_SECTION_HT_2S; + else if (rate >= DESC_RATEVHT1SS_MCS0 && rate <= DESC_RATEVHT1SS_MCS9) + rs = RTW_RATE_SECTION_VHT_1S; + else if (rate >= DESC_RATEVHT2SS_MCS0 && rate <= DESC_RATEVHT2SS_MCS9) + rs = RTW_RATE_SECTION_VHT_2S; + else + 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; +} + +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_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; + + pwr_idx = &rtwdev->efuse.txpwr_idx_table[path]; + group = rtw_get_channel_group(ch); + + /* base power index for 2.4G/5G */ + if (ch <= 14) { + 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); +} + +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 = min_t(s8, pwr_param.pwr_offset, pwr_param.pwr_limit); + + if (rtwdev->chip->en_dis_dpd) + offset += rtw_phy_get_dis_dpd_by_rate_diff(rtwdev, rate); + + tx_power += offset; + + if (tx_power > rtwdev->chip->max_power_index) + tx_power = rtwdev->chip->max_power_index; + + return tx_power; +} + +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 = rtwdev->regd.txpwr_regd; + 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) +{ + 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); +} + +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); +} |