From patchwork Wed Jan 30 04:02:14 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Chuang X-Patchwork-Id: 10787665 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 35CFF746 for ; Wed, 30 Jan 2019 04:03:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1EAC92D530 for ; Wed, 30 Jan 2019 04:03:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 10C7C2D556; Wed, 30 Jan 2019 04:03:04 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7226A2D530 for ; Wed, 30 Jan 2019 04:03:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730098AbfA3EDB (ORCPT ); Tue, 29 Jan 2019 23:03:01 -0500 Received: from rtits2.realtek.com ([211.75.126.72]:46820 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730002AbfA3EC4 (ORCPT ); Tue, 29 Jan 2019 23:02:56 -0500 Authenticated-By: X-SpamFilter-By: BOX Solutions SpamTrap 5.62 with qID x0U42VRH015725, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtitcasv01.realtek.com.tw[172.21.6.18]) by rtits2.realtek.com.tw (8.15.2/2.57/5.78) with ESMTPS id x0U42VRH015725 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NOT); Wed, 30 Jan 2019 12:02:31 +0800 Received: from localhost.localdomain (172.21.68.143) by RTITCASV01.realtek.com.tw (172.21.6.18) with Microsoft SMTP Server id 14.3.408.0; Wed, 30 Jan 2019 12:02:30 +0800 From: To: , CC: , , , , , Subject: [PATCH v4 07/13] rtw88: phy files Date: Wed, 30 Jan 2019 12:02:14 +0800 Message-ID: <1548820940-15237-8-git-send-email-yhchuang@realtek.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1548820940-15237-1-git-send-email-yhchuang@realtek.com> References: <1548820940-15237-1-git-send-email-yhchuang@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.21.68.143] Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Yan-Hsuan Chuang phy files for Realtek 802.11ac wireless network chips Signed-off-by: Yan-Hsuan Chuang --- drivers/net/wireless/realtek/rtw88/phy.c | 1670 ++++++++++++++++++++++++++++++ drivers/net/wireless/realtek/rtw88/phy.h | 125 +++ 2 files changed, 1795 insertions(+) create mode 100644 drivers/net/wireless/realtek/rtw88/phy.c create mode 100644 drivers/net/wireless/realtek/rtw88/phy.h diff --git a/drivers/net/wireless/realtek/rtw88/phy.c b/drivers/net/wireless/realtek/rtw88/phy.c new file mode 100644 index 0000000..51b7fca --- /dev/null +++ b/drivers/net/wireless/realtek/rtw88/phy.c @@ -0,0 +1,1670 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 2018 Realtek Corporation. + */ + +#include + +#include "main.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; +}; + +struct txpwr_lmt_cfg_pair { + u8 regd; + u8 band; + u8 bw; + u8 rs; + u8 ch; + s8 txpwr_lmt; +}; + +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} +}; + +enum rtw_phy_band_type { + PHY_BAND_2G = 0, + PHY_BAND_5G = 1, +}; + +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); +} + +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_level; + + rssi = ewma_rssi_read(&si->avg_rssi); + 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); +} + +void rtw_phy_dynamic_mechanism(struct rtw_dev *rtwdev) +{ + /* for further calculation */ + rtw_phy_statistics(rtwdev); + rtw_phy_dig(rtwdev); + rtw_phy_ra_info_update(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; + + /* 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); + + 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; + + rtw_write32_mask(rtwdev, direct_addr, mask, data); + + 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, "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); + } + } +} + +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; + } + phy_store_tx_power_by_rate(rtwdev, p->band, p->rf_path, + p->tx_num, p->addr, p->bitmask, + p->data); + } +} + +void rtw_parse_tbl_txpwr_lmt(struct rtw_dev *rtwdev, + const struct rtw_table *tbl) +{ + const struct txpwr_lmt_cfg_pair *p = tbl->data; + const struct txpwr_lmt_cfg_pair *end = p + tbl->size / 6; + + BUILD_BUG_ON(sizeof(struct txpwr_lmt_cfg_pair) != sizeof(u8) * 6); + + for (; p < end; p++) { + phy_set_tx_power_limit(rtwdev, p->regd, p->band, + p->bw, p->rs, + p->ch, p->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); +} + +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); + } +} + +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); + + 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); + } +} + +#define bcd_to_dec_pwr_by_rate(val, i) bcd2bin(val >> (i * 8)) + +#define RTW_MAX_POWER_INDEX 0x3F + +static u8 cck_rates[] = {DESC_RATE1M, DESC_RATE2M, DESC_RATE5_5M, DESC_RATE11M}; +static u8 ofdm_rates[] = {DESC_RATE6M, DESC_RATE9M, DESC_RATE12M, + DESC_RATE18M, DESC_RATE24M, DESC_RATE36M, + DESC_RATE48M, DESC_RATE54M}; +static u8 ht_1s_rates[] = {DESC_RATEMCS0, DESC_RATEMCS1, DESC_RATEMCS2, + DESC_RATEMCS3, DESC_RATEMCS4, DESC_RATEMCS5, + DESC_RATEMCS6, DESC_RATEMCS7}; +static u8 ht_2s_rates[] = {DESC_RATEMCS8, DESC_RATEMCS9, DESC_RATEMCS10, + DESC_RATEMCS11, DESC_RATEMCS12, DESC_RATEMCS13, + DESC_RATEMCS14, DESC_RATEMCS15}; +static u8 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}; +static u8 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}; +static u8 cck_size = ARRAY_SIZE(cck_rates); +static u8 ofdm_size = ARRAY_SIZE(ofdm_rates); +static u8 ht_1s_size = ARRAY_SIZE(ht_1s_rates); +static u8 ht_2s_size = ARRAY_SIZE(ht_2s_rates); +static u8 vht_1s_size = ARRAY_SIZE(vht_1s_rates); +static u8 vht_2s_size = ARRAY_SIZE(vht_2s_rates); + +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 u8 rtw_get_channel_group(u8 channel) +{ + switch (channel) { + default: + WARN_ON(1); + 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 u8 phy_get_2g_tx_power_index(struct rtw_2g_txpwr_idx *pwr_idx_2g, + enum rtw_bandwidth bandwidth, + u8 rate, u8 group) +{ + u8 tx_power; + bool mcs_rate; + bool above_2ss; + + 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; + + 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); + case RTW_CHANNEL_WIDTH_20: + tx_power += pwr_idx_2g->ht_1s_diff.bw20; + if (above_2ss) + tx_power += pwr_idx_2g->ht_2s_diff.bw20; + break; + case RTW_CHANNEL_WIDTH_40: + /* bw40 is the base power */ + if (above_2ss) + tx_power += pwr_idx_2g->ht_2s_diff.bw40; + break; + } + + return tx_power; +} + +static u8 phy_get_5g_tx_power_index(struct rtw_5g_txpwr_idx *pwr_idx_5g, + enum rtw_bandwidth bandwidth, + u8 rate, u8 group) +{ + u8 tx_power; + u8 upper, lower; + bool mcs_rate; + bool above_2ss; + + 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; + return tx_power; + } + + switch (bandwidth) { + default: + WARN_ON(1); + case RTW_CHANNEL_WIDTH_20: + tx_power += pwr_idx_5g->ht_1s_diff.bw20; + if (above_2ss) + tx_power += pwr_idx_5g->ht_2s_diff.bw20; + break; + case RTW_CHANNEL_WIDTH_40: + /* bw40 is the base power */ + if (above_2ss) + tx_power += pwr_idx_5g->ht_2s_diff.bw40; + 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; + if (above_2ss) + tx_power += pwr_idx_5g->vht_2s_diff.bw80; + break; + } + + return tx_power; +} + +/* 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 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++) + 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_hal *hal = &rtwdev->hal; + u8 path; + + mutex_lock(&hal->tx_power_mutex); + + for (path = 0; path < hal->rf_path_num; path++) + phy_set_tx_power_level_by_path(rtwdev, channel, path); + + mutex_unlock(&hal->tx_power_mutex); +} + +s8 phy_get_tx_power_limit(struct rtw_dev *rtwdev, u8 band, + enum rtw_bandwidth bandwidth, u8 rf_path, + u8 rate, u8 channel, u8 regd); + +static +u8 phy_get_tx_power_index(void *adapter, u8 rf_path, u8 rate, + enum rtw_bandwidth bandwidth, u8 channel, u8 regd) +{ + struct rtw_dev *rtwdev = adapter; + struct rtw_hal *hal = &rtwdev->hal; + struct rtw_txpwr_idx *pwr_idx; + u8 tx_power; + u8 group; + u8 band; + s8 offset, limit; + + pwr_idx = &rtwdev->efuse.txpwr_idx_table[rf_path]; + group = rtw_get_channel_group(channel); + + /* base power index for 2.4G/5G */ + if (channel <= 14) { + band = PHY_BAND_2G; + tx_power = phy_get_2g_tx_power_index(&pwr_idx->pwr_idx_2g, + bandwidth, rate, group); + offset = hal->tx_pwr_by_rate_offset_2g[rf_path][rate]; + } else { + band = PHY_BAND_5G; + tx_power = phy_get_5g_tx_power_index(&pwr_idx->pwr_idx_5g, + bandwidth, rate, group); + offset = hal->tx_pwr_by_rate_offset_5g[rf_path][rate]; + } + + limit = phy_get_tx_power_limit(rtwdev, band, bandwidth, rf_path, + rate, channel, regd); + + if (offset > limit) + offset = limit; + + tx_power += offset; + + if (tx_power > RTW_MAX_POWER_INDEX) + tx_power = RTW_MAX_POWER_INDEX; + + return tx_power; +} + +void phy_set_tx_power_index_by_rs(void *adapter, u8 ch, u8 path, u8 rs) +{ + struct rtw_dev *rtwdev = adapter; + struct rtw_hal *hal = &rtwdev->hal; + struct rtw_chip_info *chip = rtwdev->chip; + u8 regd = rtwdev->regd.txpwr_regd; + u8 *rates; + u8 size; + u8 rate; + u8 pwr_idx; + u8 bw; + int i; + u8 *rate_sections[RTW_RATE_SECTION_MAX] = { + cck_rates, ofdm_rates, ht_1s_rates, ht_2s_rates, + vht_1s_rates, vht_2s_rates, + }; + u8 sizes[RTW_RATE_SECTION_MAX] = { + cck_size, ofdm_size, ht_1s_size, ht_2s_size, + vht_1s_size, vht_2s_size, + }; + + if (rs >= RTW_RATE_SECTION_MAX) + return; + + rates = rate_sections[rs]; + size = sizes[rs]; + bw = hal->current_band_width; + for (i = 0; i < size; i++) { + rate = rates[i]; + pwr_idx = phy_get_tx_power_index(adapter, path, rate, bw, ch, + regd); + chip->ops->set_tx_power_index(rtwdev, pwr_idx, path, rate); + } +} + +static void 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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = + bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(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] = bcd_to_dec_pwr_by_rate(val, i); + *rate_num = 2; + break; + default: + rtw_warn(rtwdev, "invalid tx power index addr 0x%08x\n", addr); + break; + } +} + +void phy_store_tx_power_by_rate(void *adapter, u32 band, u32 rfpath, u32 txnum, + u32 regaddr, u32 bitmask, u32 data) +{ + struct rtw_dev *rtwdev = adapter; + 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; + + 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; + } +} + +static +void 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++) { + phy_tx_power_by_rate_config_by_path(hal, path, + RTW_RATE_SECTION_CCK, + cck_size, cck_rates); + phy_tx_power_by_rate_config_by_path(hal, path, + RTW_RATE_SECTION_OFDM, + ofdm_size, ofdm_rates); + phy_tx_power_by_rate_config_by_path(hal, path, + RTW_RATE_SECTION_HT_1S, + ht_1s_size, ht_1s_rates); + phy_tx_power_by_rate_config_by_path(hal, path, + RTW_RATE_SECTION_HT_2S, + ht_2s_size, ht_2s_rates); + phy_tx_power_by_rate_config_by_path(hal, path, + RTW_RATE_SECTION_VHT_1S, + vht_1s_size, vht_1s_rates); + phy_tx_power_by_rate_config_by_path(hal, path, + RTW_RATE_SECTION_VHT_2S, + vht_2s_size, vht_2s_rates); + } +} + +static void +phy_tx_power_limit_config(struct rtw_hal *hal, u8 regd, u8 bw, u8 rs) +{ + s8 base, orig; + u8 ch; + + for (ch = 0; ch < RTW_MAX_CHANNEL_NUM_2G; ch++) { + base = hal->tx_pwr_by_rate_base_2g[0][rs]; + orig = hal->tx_pwr_limit_2g[regd][bw][rs][ch]; + 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; + + 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++) + phy_tx_power_limit_config(hal, regd, bw, rs); +} + +static s8 get_tx_power_limit(struct rtw_hal *hal, u8 bw, u8 rs, u8 ch, u8 regd) +{ + if (regd > RTW_REGD_WW) + return RTW_MAX_POWER_INDEX; + + return hal->tx_pwr_limit_2g[regd][bw][rs][ch]; +} + +s8 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; + s8 power_limit; + u8 rs; + int ch_idx; + + 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; + + ch_idx = rtw_channel_to_idx(band, channel); + if (ch_idx < 0) + goto err; + + power_limit = get_tx_power_limit(hal, bw, rs, ch_idx, regd); + + 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 RTW_MAX_POWER_INDEX; +} + +void 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; + int ch_idx; + + pwr_limit = clamp_t(s8, pwr_limit, + -RTW_MAX_POWER_INDEX, RTW_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; + else if (band == PHY_BAND_5G) + hal->tx_pwr_limit_5g[regd][bw][rs][ch_idx] = pwr_limit; +} + +static +void rtw_hw_tx_power_limit_init(struct rtw_hal *hal, u8 regd, u8 bw, u8 rs) +{ + u8 ch; + + /* 2.4G channels */ + for (ch = 0; ch < RTW_MAX_CHANNEL_NUM_2G; ch++) + hal->tx_pwr_limit_2g[regd][bw][rs][ch] = RTW_MAX_POWER_INDEX; + + /* 5G channels */ + for (ch = 0; ch < RTW_MAX_CHANNEL_NUM_5G; ch++) + hal->tx_pwr_limit_5g[regd][bw][rs][ch] = RTW_MAX_POWER_INDEX; +} + +void rtw_hw_init_tx_power(struct rtw_hal *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_hw_tx_power_limit_init(hal, regd, bw, rs); +} diff --git a/drivers/net/wireless/realtek/rtw88/phy.h b/drivers/net/wireless/realtek/rtw88/phy.h new file mode 100644 index 0000000..2e26372 --- /dev/null +++ b/drivers/net/wireless/realtek/rtw88/phy.h @@ -0,0 +1,125 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2018 Realtek Corporation. + */ + +#ifndef __RTW_PHY_H_ +#define __RTW_PHY_H_ + +#include "debug.h" + +void rtw_phy_init(struct rtw_dev *rtwdev); +void rtw_phy_dynamic_mechanism(struct rtw_dev *rtwdev); +u8 rtw_phy_rf_power_2_rssi(s8 *rf_power, u8 path_num); +u32 rtw_phy_read_rf(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path, + u32 addr, u32 mask); +bool rtw_phy_write_rf_reg_sipi(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path, + u32 addr, u32 mask, u32 data); +bool rtw_phy_write_rf_reg(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path, + u32 addr, u32 mask, u32 data); +bool rtw_phy_write_rf_reg_mix(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path, + u32 addr, u32 mask, u32 data); +void phy_store_tx_power_by_rate(void *adapter, u32 band, u32 rfpath, u32 txnum, + u32 regaddr, u32 bitmask, u32 data); +void phy_set_tx_power_limit(struct rtw_dev *rtwdev, u8 regd, u8 band, + u8 bw, u8 rs, u8 ch, s8 pwr_limit); +void phy_set_tx_power_index_by_rs(void *adapter, u8 ch, u8 path, u8 rs); +void rtw_phy_setup_phy_cond(struct rtw_dev *rtwdev, u32 pkg); +void rtw_parse_tbl_phy_cond(struct rtw_dev *rtwdev, const struct rtw_table *tbl); +void rtw_parse_tbl_bb_pg(struct rtw_dev *rtwdev, const struct rtw_table *tbl); +void rtw_parse_tbl_txpwr_lmt(struct rtw_dev *rtwdev, const struct rtw_table *tbl); +void rtw_phy_cfg_mac(struct rtw_dev *rtwdev, const struct rtw_table *tbl, + u32 addr, u32 data); +void rtw_phy_cfg_agc(struct rtw_dev *rtwdev, const struct rtw_table *tbl, + u32 addr, u32 data); +void rtw_phy_cfg_bb(struct rtw_dev *rtwdev, const struct rtw_table *tbl, + u32 addr, u32 data); +void rtw_phy_cfg_rf(struct rtw_dev *rtwdev, const struct rtw_table *tbl, + u32 addr, u32 data); +void rtw_hw_init_tx_power(struct rtw_hal *hal); +void rtw_phy_load_tables(struct rtw_dev *rtwdev); +void rtw_phy_set_tx_power_level(struct rtw_dev *rtwdev, u8 channel); +void rtw_phy_tx_power_by_rate_config(struct rtw_hal *hal); +void rtw_phy_tx_power_limit_config(struct rtw_hal *hal); + +#define RTW_DECL_TABLE_PHY_COND_CORE(name, cfg, path) \ +const struct rtw_table name ## _tbl = { \ + .data = name, \ + .size = ARRAY_SIZE(name), \ + .parse = rtw_parse_tbl_phy_cond, \ + .do_cfg = cfg, \ + .rf_path = path, \ +} + +#define RTW_DECL_TABLE_PHY_COND(name, cfg) \ + RTW_DECL_TABLE_PHY_COND_CORE(name, cfg, 0) + +#define RTW_DECL_TABLE_RF_RADIO(name, path) \ + RTW_DECL_TABLE_PHY_COND_CORE(name, rtw_phy_cfg_rf, RF_PATH_ ## path) + +#define RTW_DECL_TABLE_BB_PG(name) \ +const struct rtw_table name ## _tbl = { \ + .data = name, \ + .size = ARRAY_SIZE(name), \ + .parse = rtw_parse_tbl_bb_pg, \ +} + +#define RTW_DECL_TABLE_TXPWR_LMT(name) \ +const struct rtw_table name ## _tbl = { \ + .data = name, \ + .size = ARRAY_SIZE(name), \ + .parse = rtw_parse_tbl_txpwr_lmt, \ +} + +static inline const struct rtw_rfe_def *rtw_get_rfe_def(struct rtw_dev *rtwdev) +{ + struct rtw_chip_info *chip = rtwdev->chip; + struct rtw_efuse *efuse = &rtwdev->efuse; + const struct rtw_rfe_def *rfe_def = NULL; + + if (chip->rfe_defs_size == 0) + return NULL; + + if (efuse->rfe_option < chip->rfe_defs_size) + rfe_def = &chip->rfe_defs[efuse->rfe_option]; + + rtw_dbg(rtwdev, "use rfe_def[%d]\n", efuse->rfe_option); + return rfe_def; +} + +static inline int rtw_check_supported_rfe(struct rtw_dev *rtwdev) +{ + const struct rtw_rfe_def *rfe_def = rtw_get_rfe_def(rtwdev); + + if (!rfe_def || !rfe_def->phy_pg_tbl || !rfe_def->txpwr_lmt_tbl) { + rtw_err(rtwdev, "rfe %d isn't supported\n", + rtwdev->efuse.rfe_option); + return -ENODEV; + } + + return 0; +} + +void rtw_phy_dig_write(struct rtw_dev *rtwdev, u8 igi); + +#define MASKBYTE0 0xff +#define MASKBYTE1 0xff00 +#define MASKBYTE2 0xff0000 +#define MASKBYTE3 0xff000000 +#define MASKHWORD 0xffff0000 +#define MASKLWORD 0x0000ffff +#define MASKDWORD 0xffffffff +#define RFREG_MASK 0xfffff + +#define MASK7BITS 0x7f +#define MASK12BITS 0xfff +#define MASKH4BITS 0xf0000000 +#define MASK20BITS 0xfffff +#define MASK24BITS 0xffffff + +#define MASKH3BYTES 0xffffff00 +#define MASKL3BYTES 0x00ffffff +#define MASKBYTE2HIGHNIBBLE 0x00f00000 +#define MASKBYTE3LOWNIBBLE 0x0f000000 +#define MASKL3BYTES 0x00ffffff + +#endif