From 1c055e55a242a33e574e48be530e06770a210dcd Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Mon, 19 Feb 2024 03:26:26 +0000 Subject: [PATCH] add r8169 read mac form eeprom --- kernel/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c | 1348 +++++++++++++++++++++++++++++++++------------------------ 1 files changed, 777 insertions(+), 571 deletions(-) diff --git a/kernel/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c b/kernel/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c index 924c761..e91c314c 100644 --- a/kernel/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c +++ b/kernel/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c @@ -1,45 +1,38 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * (c) Copyright 2002-2010, Ralink Technology, Inc. * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ + +#include <linux/kernel.h> +#include <linux/etherdevice.h> #include "mt76x0.h" #include "mcu.h" #include "eeprom.h" -#include "trace.h" #include "phy.h" #include "initvals.h" #include "initvals_phy.h" - -#include <linux/etherdevice.h> +#include "../mt76x02_phy.h" static int -mt76x0_rf_csr_wr(struct mt76x0_dev *dev, u32 offset, u8 value) +mt76x0_rf_csr_wr(struct mt76x02_dev *dev, u32 offset, u8 value) { int ret = 0; u8 bank, reg; - if (test_bit(MT76_REMOVED, &dev->mt76.state)) + if (test_bit(MT76_REMOVED, &dev->mphy.state)) return -ENODEV; bank = MT_RF_BANK(offset); reg = MT_RF_REG(offset); - if (WARN_ON_ONCE(reg > 64) || WARN_ON_ONCE(bank) > 8) + if (WARN_ON_ONCE(reg > 127) || WARN_ON_ONCE(bank > 8)) return -EINVAL; - mutex_lock(&dev->reg_atomic_mutex); + mutex_lock(&dev->phy_mutex); if (!mt76_poll(dev, MT_RF_CSR_CFG, MT_RF_CSR_CFG_KICK, 0, 100)) { ret = -ETIMEDOUT; @@ -47,14 +40,14 @@ } mt76_wr(dev, MT_RF_CSR_CFG, - FIELD_PREP(MT_RF_CSR_CFG_DATA, value) | - FIELD_PREP(MT_RF_CSR_CFG_REG_BANK, bank) | - FIELD_PREP(MT_RF_CSR_CFG_REG_ID, reg) | - MT_RF_CSR_CFG_WR | - MT_RF_CSR_CFG_KICK); - trace_mt76x0_rf_write(&dev->mt76, bank, offset, value); + FIELD_PREP(MT_RF_CSR_CFG_DATA, value) | + FIELD_PREP(MT_RF_CSR_CFG_REG_BANK, bank) | + FIELD_PREP(MT_RF_CSR_CFG_REG_ID, reg) | + MT_RF_CSR_CFG_WR | + MT_RF_CSR_CFG_KICK); + out: - mutex_unlock(&dev->reg_atomic_mutex); + mutex_unlock(&dev->phy_mutex); if (ret < 0) dev_err(dev->mt76.dev, "Error: RF write %d:%d failed:%d!!\n", @@ -63,43 +56,41 @@ return ret; } -static int -mt76x0_rf_csr_rr(struct mt76x0_dev *dev, u32 offset) +static int mt76x0_rf_csr_rr(struct mt76x02_dev *dev, u32 offset) { int ret = -ETIMEDOUT; u32 val; u8 bank, reg; - if (test_bit(MT76_REMOVED, &dev->mt76.state)) + if (test_bit(MT76_REMOVED, &dev->mphy.state)) return -ENODEV; bank = MT_RF_BANK(offset); reg = MT_RF_REG(offset); - if (WARN_ON_ONCE(reg > 64) || WARN_ON_ONCE(bank) > 8) + if (WARN_ON_ONCE(reg > 127) || WARN_ON_ONCE(bank > 8)) return -EINVAL; - mutex_lock(&dev->reg_atomic_mutex); + mutex_lock(&dev->phy_mutex); if (!mt76_poll(dev, MT_RF_CSR_CFG, MT_RF_CSR_CFG_KICK, 0, 100)) goto out; mt76_wr(dev, MT_RF_CSR_CFG, - FIELD_PREP(MT_RF_CSR_CFG_REG_BANK, bank) | - FIELD_PREP(MT_RF_CSR_CFG_REG_ID, reg) | - MT_RF_CSR_CFG_KICK); + FIELD_PREP(MT_RF_CSR_CFG_REG_BANK, bank) | + FIELD_PREP(MT_RF_CSR_CFG_REG_ID, reg) | + MT_RF_CSR_CFG_KICK); if (!mt76_poll(dev, MT_RF_CSR_CFG, MT_RF_CSR_CFG_KICK, 0, 100)) goto out; val = mt76_rr(dev, MT_RF_CSR_CFG); if (FIELD_GET(MT_RF_CSR_CFG_REG_ID, val) == reg && - FIELD_GET(MT_RF_CSR_CFG_REG_BANK, val) == bank) { + FIELD_GET(MT_RF_CSR_CFG_REG_BANK, val) == bank) ret = FIELD_GET(MT_RF_CSR_CFG_DATA, val); - trace_mt76x0_rf_read(&dev->mt76, bank, offset, ret); - } + out: - mutex_unlock(&dev->reg_atomic_mutex); + mutex_unlock(&dev->phy_mutex); if (ret < 0) dev_err(dev->mt76.dev, "Error: RF read %d:%d failed:%d!!\n", @@ -109,36 +100,37 @@ } static int -rf_wr(struct mt76x0_dev *dev, u32 offset, u8 val) +mt76x0_rf_wr(struct mt76x02_dev *dev, u32 offset, u8 val) { - if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state)) { + if (mt76_is_usb(&dev->mt76)) { struct mt76_reg_pair pair = { .reg = offset, .value = val, }; - return mt76x0_write_reg_pairs(dev, MT_MCU_MEMMAP_RF, &pair, 1); + WARN_ON_ONCE(!test_bit(MT76_STATE_MCU_RUNNING, + &dev->mphy.state)); + return mt76_wr_rp(dev, MT_MCU_MEMMAP_RF, &pair, 1); } else { - WARN_ON_ONCE(1); return mt76x0_rf_csr_wr(dev, offset, val); } } -static int -rf_rr(struct mt76x0_dev *dev, u32 offset) +static int mt76x0_rf_rr(struct mt76x02_dev *dev, u32 offset) { int ret; u32 val; - if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state)) { + if (mt76_is_usb(&dev->mt76)) { struct mt76_reg_pair pair = { .reg = offset, }; - ret = mt76x0_read_reg_pairs(dev, MT_MCU_MEMMAP_RF, &pair, 1); + WARN_ON_ONCE(!test_bit(MT76_STATE_MCU_RUNNING, + &dev->mphy.state)); + ret = mt76_rd_rp(dev, MT_MCU_MEMMAP_RF, &pair, 1); val = pair.value; } else { - WARN_ON_ONCE(1); ret = val = mt76x0_rf_csr_rr(dev, offset); } @@ -146,46 +138,57 @@ } static int -rf_rmw(struct mt76x0_dev *dev, u32 offset, u8 mask, u8 val) +mt76x0_rf_rmw(struct mt76x02_dev *dev, u32 offset, u8 mask, u8 val) { int ret; - ret = rf_rr(dev, offset); + ret = mt76x0_rf_rr(dev, offset); if (ret < 0) return ret; + val |= ret & ~mask; - ret = rf_wr(dev, offset, val); - if (ret) - return ret; - return val; + ret = mt76x0_rf_wr(dev, offset, val); + return ret ? ret : val; } static int -rf_set(struct mt76x0_dev *dev, u32 offset, u8 val) +mt76x0_rf_set(struct mt76x02_dev *dev, u32 offset, u8 val) { - return rf_rmw(dev, offset, 0, val); + return mt76x0_rf_rmw(dev, offset, 0, val); } -#if 0 static int -rf_clear(struct mt76x0_dev *dev, u32 offset, u8 mask) +mt76x0_rf_clear(struct mt76x02_dev *dev, u32 offset, u8 mask) { - return rf_rmw(dev, offset, mask, 0); + return mt76x0_rf_rmw(dev, offset, mask, 0); } -#endif -#define RF_RANDOM_WRITE(dev, tab) \ - mt76x0_write_reg_pairs(dev, MT_MCU_MEMMAP_RF, tab, ARRAY_SIZE(tab)); +static void +mt76x0_phy_rf_csr_wr_rp(struct mt76x02_dev *dev, + const struct mt76_reg_pair *data, + int n) +{ + while (n-- > 0) { + mt76x0_rf_csr_wr(dev, data->reg, data->value); + data++; + } +} -int mt76x0_wait_bbp_ready(struct mt76x0_dev *dev) +#define RF_RANDOM_WRITE(dev, tab) do { \ + if (mt76_is_mmio(&dev->mt76)) \ + mt76x0_phy_rf_csr_wr_rp(dev, tab, ARRAY_SIZE(tab)); \ + else \ + mt76_wr_rp(dev, MT_MCU_MEMMAP_RF, tab, ARRAY_SIZE(tab));\ +} while (0) + +int mt76x0_phy_wait_bbp_ready(struct mt76x02_dev *dev) { int i = 20; u32 val; do { val = mt76_rr(dev, MT_BBP(CORE, 0)); - printk("BBP version %08x\n", val); if (val && ~val) break; } while (--i); @@ -195,129 +198,19 @@ return -EIO; } + dev_dbg(dev->mt76.dev, "BBP version %08x\n", val); return 0; } static void -mt76x0_bbp_set_ctrlch(struct mt76x0_dev *dev, enum nl80211_chan_width width, - u8 ctrl) -{ - int core_val, agc_val; - - switch (width) { - case NL80211_CHAN_WIDTH_80: - core_val = 3; - agc_val = 7; - break; - case NL80211_CHAN_WIDTH_40: - core_val = 2; - agc_val = 3; - break; - default: - core_val = 0; - agc_val = 1; - break; - } - - mt76_rmw_field(dev, MT_BBP(CORE, 1), MT_BBP_CORE_R1_BW, core_val); - mt76_rmw_field(dev, MT_BBP(AGC, 0), MT_BBP_AGC_R0_BW, agc_val); - mt76_rmw_field(dev, MT_BBP(AGC, 0), MT_BBP_AGC_R0_CTRL_CHAN, ctrl); - mt76_rmw_field(dev, MT_BBP(TXBE, 0), MT_BBP_TXBE_R0_CTRL_CHAN, ctrl); -} - -int mt76x0_phy_get_rssi(struct mt76x0_dev *dev, struct mt76x0_rxwi *rxwi) -{ - s8 lna_gain, rssi_offset; - int val; - - if (dev->mt76.chandef.chan->band == NL80211_BAND_2GHZ) { - lna_gain = dev->ee->lna_gain_2ghz; - rssi_offset = dev->ee->rssi_offset_2ghz[0]; - } else { - lna_gain = dev->ee->lna_gain_5ghz[0]; - rssi_offset = dev->ee->rssi_offset_5ghz[0]; - } - - val = rxwi->rssi[0] + rssi_offset - lna_gain; - - return val; -} - -static void mt76x0_vco_cal(struct mt76x0_dev *dev, u8 channel) -{ - u8 val; - - val = rf_rr(dev, MT_RF(0, 4)); - if ((val & 0x70) != 0x30) - return; - - /* - * Calibration Mode - Open loop, closed loop, and amplitude: - * B0.R06.[0]: 1 - * B0.R06.[3:1] bp_close_code: 100 - * B0.R05.[7:0] bp_open_code: 0x0 - * B0.R04.[2:0] cal_bits: 000 - * B0.R03.[2:0] startup_time: 011 - * B0.R03.[6:4] settle_time: - * 80MHz channel: 110 - * 40MHz channel: 101 - * 20MHz channel: 100 - */ - val = rf_rr(dev, MT_RF(0, 6)); - val &= ~0xf; - val |= 0x09; - rf_wr(dev, MT_RF(0, 6), val); - - val = rf_rr(dev, MT_RF(0, 5)); - if (val != 0) - rf_wr(dev, MT_RF(0, 5), 0x0); - - val = rf_rr(dev, MT_RF(0, 4)); - val &= ~0x07; - rf_wr(dev, MT_RF(0, 4), val); - - val = rf_rr(dev, MT_RF(0, 3)); - val &= ~0x77; - if (channel == 1 || channel == 7 || channel == 9 || channel >= 13) { - val |= 0x63; - } else if (channel == 3 || channel == 4 || channel == 10) { - val |= 0x53; - } else if (channel == 2 || channel == 5 || channel == 6 || - channel == 8 || channel == 11 || channel == 12) { - val |= 0x43; - } else { - WARN(1, "Unknown channel %u\n", channel); - return; - } - rf_wr(dev, MT_RF(0, 3), val); - - /* TODO replace by mt76x0_rf_set(dev, MT_RF(0, 4), BIT(7)); */ - val = rf_rr(dev, MT_RF(0, 4)); - val = ((val & ~(0x80)) | 0x80); - rf_wr(dev, MT_RF(0, 4), val); - - msleep(2); -} - -static void -mt76x0_mac_set_ctrlch(struct mt76x0_dev *dev, bool primary_upper) -{ - mt76_rmw_field(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_UPPER_40M, - primary_upper); -} - -static void -mt76x0_phy_set_band(struct mt76x0_dev *dev, enum nl80211_band band) +mt76x0_phy_set_band(struct mt76x02_dev *dev, enum nl80211_band band) { switch (band) { case NL80211_BAND_2GHZ: RF_RANDOM_WRITE(dev, mt76x0_rf_2g_channel_0_tab); - rf_wr(dev, MT_RF(5, 0), 0x45); - rf_wr(dev, MT_RF(6, 0), 0x44); - - mt76_set(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_2G); - mt76_clear(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_5G); + mt76x0_rf_wr(dev, MT_RF(5, 0), 0x45); + mt76x0_rf_wr(dev, MT_RF(6, 0), 0x44); mt76_wr(dev, MT_TX_ALC_VGA3, 0x00050007); mt76_wr(dev, MT_TX0_RF_GAIN_CORR, 0x003E0002); @@ -325,11 +218,8 @@ case NL80211_BAND_5GHZ: RF_RANDOM_WRITE(dev, mt76x0_rf_5g_channel_0_tab); - rf_wr(dev, MT_RF(5, 0), 0x44); - rf_wr(dev, MT_RF(6, 0), 0x45); - - mt76_clear(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_2G); - mt76_set(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_5G); + mt76x0_rf_wr(dev, MT_RF(5, 0), 0x44); + mt76x0_rf_wr(dev, MT_RF(6, 0), 0x45); mt76_wr(dev, MT_TX_ALC_VGA3, 0x00000005); mt76_wr(dev, MT_TX0_RF_GAIN_CORR, 0x01010102); @@ -339,25 +229,21 @@ } } -#define EXT_PA_2G_5G 0x0 -#define EXT_PA_5G_ONLY 0x1 -#define EXT_PA_2G_ONLY 0x2 -#define INT_PA_2G_5G 0x3 - static void -mt76x0_phy_set_chan_rf_params(struct mt76x0_dev *dev, u8 channel, u16 rf_bw_band) +mt76x0_phy_set_chan_rf_params(struct mt76x02_dev *dev, u8 channel, + u16 rf_bw_band) { + const struct mt76x0_freq_item *freq_item; u16 rf_band = rf_bw_band & 0xff00; u16 rf_bw = rf_bw_band & 0x00ff; + enum nl80211_band band; + bool b_sdm = false; u32 mac_reg; - u8 rf_val; int i; - bool bSDM = false; - const struct mt76x0_freq_item *freq_item; for (i = 0; i < ARRAY_SIZE(mt76x0_sdm_channel); i++) { if (channel == mt76x0_sdm_channel[i]) { - bSDM = true; + b_sdm = true; break; } } @@ -366,108 +252,84 @@ if (channel == mt76x0_frequency_plan[i].channel) { rf_band = mt76x0_frequency_plan[i].band; - if (bSDM) - freq_item = &(mt76x0_sdm_frequency_plan[i]); + if (b_sdm) + freq_item = &mt76x0_sdm_frequency_plan[i]; else - freq_item = &(mt76x0_frequency_plan[i]); + freq_item = &mt76x0_frequency_plan[i]; - rf_wr(dev, MT_RF(0, 37), freq_item->pllR37); - rf_wr(dev, MT_RF(0, 36), freq_item->pllR36); - rf_wr(dev, MT_RF(0, 35), freq_item->pllR35); - rf_wr(dev, MT_RF(0, 34), freq_item->pllR34); - rf_wr(dev, MT_RF(0, 33), freq_item->pllR33); + mt76x0_rf_wr(dev, MT_RF(0, 37), freq_item->pllR37); + mt76x0_rf_wr(dev, MT_RF(0, 36), freq_item->pllR36); + mt76x0_rf_wr(dev, MT_RF(0, 35), freq_item->pllR35); + mt76x0_rf_wr(dev, MT_RF(0, 34), freq_item->pllR34); + mt76x0_rf_wr(dev, MT_RF(0, 33), freq_item->pllR33); - rf_val = rf_rr(dev, MT_RF(0, 32)); - rf_val &= ~0xE0; - rf_val |= freq_item->pllR32_b7b5; - rf_wr(dev, MT_RF(0, 32), rf_val); + mt76x0_rf_rmw(dev, MT_RF(0, 32), 0xe0, + freq_item->pllR32_b7b5); /* R32<4:0> pll_den: (Denomina - 8) */ - rf_val = rf_rr(dev, MT_RF(0, 32)); - rf_val &= ~0x1F; - rf_val |= freq_item->pllR32_b4b0; - rf_wr(dev, MT_RF(0, 32), rf_val); + mt76x0_rf_rmw(dev, MT_RF(0, 32), MT_RF_PLL_DEN_MASK, + freq_item->pllR32_b4b0); /* R31<7:5> */ - rf_val = rf_rr(dev, MT_RF(0, 31)); - rf_val &= ~0xE0; - rf_val |= freq_item->pllR31_b7b5; - rf_wr(dev, MT_RF(0, 31), rf_val); + mt76x0_rf_rmw(dev, MT_RF(0, 31), 0xe0, + freq_item->pllR31_b7b5); /* R31<4:0> pll_k(Nominator) */ - rf_val = rf_rr(dev, MT_RF(0, 31)); - rf_val &= ~0x1F; - rf_val |= freq_item->pllR31_b4b0; - rf_wr(dev, MT_RF(0, 31), rf_val); + mt76x0_rf_rmw(dev, MT_RF(0, 31), MT_RF_PLL_K_MASK, + freq_item->pllR31_b4b0); /* R30<7> sdm_reset_n */ - rf_val = rf_rr(dev, MT_RF(0, 30)); - rf_val &= ~0x80; - if (bSDM) { - rf_wr(dev, MT_RF(0, 30), rf_val); - rf_val |= 0x80; - rf_wr(dev, MT_RF(0, 30), rf_val); + if (b_sdm) { + mt76x0_rf_clear(dev, MT_RF(0, 30), + MT_RF_SDM_RESET_MASK); + mt76x0_rf_set(dev, MT_RF(0, 30), + MT_RF_SDM_RESET_MASK); } else { - rf_val |= freq_item->pllR30_b7; - rf_wr(dev, MT_RF(0, 30), rf_val); + mt76x0_rf_rmw(dev, MT_RF(0, 30), + MT_RF_SDM_RESET_MASK, + freq_item->pllR30_b7); } /* R30<6:2> sdmmash_prbs,sin */ - rf_val = rf_rr(dev, MT_RF(0, 30)); - rf_val &= ~0x7C; - rf_val |= freq_item->pllR30_b6b2; - rf_wr(dev, MT_RF(0, 30), rf_val); + mt76x0_rf_rmw(dev, MT_RF(0, 30), + MT_RF_SDM_MASH_PRBS_MASK, + freq_item->pllR30_b6b2); /* R30<1> sdm_bp */ - rf_val = rf_rr(dev, MT_RF(0, 30)); - rf_val &= ~0x02; - rf_val |= (freq_item->pllR30_b1 << 1); - rf_wr(dev, MT_RF(0, 30), rf_val); + mt76x0_rf_rmw(dev, MT_RF(0, 30), MT_RF_SDM_BP_MASK, + freq_item->pllR30_b1 << 1); /* R30<0> R29<7:0> (hex) pll_n */ - rf_val = freq_item->pll_n & 0x00FF; - rf_wr(dev, MT_RF(0, 29), rf_val); + mt76x0_rf_wr(dev, MT_RF(0, 29), + freq_item->pll_n & 0xff); - rf_val = rf_rr(dev, MT_RF(0, 30)); - rf_val &= ~0x1; - rf_val |= ((freq_item->pll_n >> 8) & 0x0001); - rf_wr(dev, MT_RF(0, 30), rf_val); + mt76x0_rf_rmw(dev, MT_RF(0, 30), 0x1, + (freq_item->pll_n >> 8) & 0x1); /* R28<7:6> isi_iso */ - rf_val = rf_rr(dev, MT_RF(0, 28)); - rf_val &= ~0xC0; - rf_val |= freq_item->pllR28_b7b6; - rf_wr(dev, MT_RF(0, 28), rf_val); + mt76x0_rf_rmw(dev, MT_RF(0, 28), MT_RF_ISI_ISO_MASK, + freq_item->pllR28_b7b6); /* R28<5:4> pfd_dly */ - rf_val = rf_rr(dev, MT_RF(0, 28)); - rf_val &= ~0x30; - rf_val |= freq_item->pllR28_b5b4; - rf_wr(dev, MT_RF(0, 28), rf_val); + mt76x0_rf_rmw(dev, MT_RF(0, 28), MT_RF_PFD_DLY_MASK, + freq_item->pllR28_b5b4); /* R28<3:2> clksel option */ - rf_val = rf_rr(dev, MT_RF(0, 28)); - rf_val &= ~0x0C; - rf_val |= freq_item->pllR28_b3b2; - rf_wr(dev, MT_RF(0, 28), rf_val); + mt76x0_rf_rmw(dev, MT_RF(0, 28), MT_RF_CLK_SEL_MASK, + freq_item->pllR28_b3b2); /* R28<1:0> R27<7:0> R26<7:0> (hex) sdm_k */ - rf_val = freq_item->pll_sdm_k & 0x000000FF; - rf_wr(dev, MT_RF(0, 26), rf_val); + mt76x0_rf_wr(dev, MT_RF(0, 26), + freq_item->pll_sdm_k & 0xff); + mt76x0_rf_wr(dev, MT_RF(0, 27), + (freq_item->pll_sdm_k >> 8) & 0xff); - rf_val = ((freq_item->pll_sdm_k >> 8) & 0x000000FF); - rf_wr(dev, MT_RF(0, 27), rf_val); - - rf_val = rf_rr(dev, MT_RF(0, 28)); - rf_val &= ~0x3; - rf_val |= ((freq_item->pll_sdm_k >> 16) & 0x0003); - rf_wr(dev, MT_RF(0, 28), rf_val); + mt76x0_rf_rmw(dev, MT_RF(0, 28), 0x3, + (freq_item->pll_sdm_k >> 16) & 0x3); /* R24<1:0> xo_div */ - rf_val = rf_rr(dev, MT_RF(0, 24)); - rf_val &= ~0x3; - rf_val |= freq_item->pllR24_b1b0; - rf_wr(dev, MT_RF(0, 24), rf_val); + mt76x0_rf_rmw(dev, MT_RF(0, 24), MT_RF_XO_DIV_MASK, + freq_item->pllR24_b1b0); break; } @@ -475,51 +337,46 @@ for (i = 0; i < ARRAY_SIZE(mt76x0_rf_bw_switch_tab); i++) { if (rf_bw == mt76x0_rf_bw_switch_tab[i].bw_band) { - rf_wr(dev, mt76x0_rf_bw_switch_tab[i].rf_bank_reg, - mt76x0_rf_bw_switch_tab[i].value); + mt76x0_rf_wr(dev, + mt76x0_rf_bw_switch_tab[i].rf_bank_reg, + mt76x0_rf_bw_switch_tab[i].value); } else if ((rf_bw == (mt76x0_rf_bw_switch_tab[i].bw_band & 0xFF)) && (rf_band & mt76x0_rf_bw_switch_tab[i].bw_band)) { - rf_wr(dev, mt76x0_rf_bw_switch_tab[i].rf_bank_reg, - mt76x0_rf_bw_switch_tab[i].value); + mt76x0_rf_wr(dev, + mt76x0_rf_bw_switch_tab[i].rf_bank_reg, + mt76x0_rf_bw_switch_tab[i].value); } } for (i = 0; i < ARRAY_SIZE(mt76x0_rf_band_switch_tab); i++) { if (mt76x0_rf_band_switch_tab[i].bw_band & rf_band) { - rf_wr(dev, mt76x0_rf_band_switch_tab[i].rf_bank_reg, - mt76x0_rf_band_switch_tab[i].value); + mt76x0_rf_wr(dev, + mt76x0_rf_band_switch_tab[i].rf_bank_reg, + mt76x0_rf_band_switch_tab[i].value); } } - mac_reg = mt76_rr(dev, MT_RF_MISC); - mac_reg &= ~0xC; /* Clear 0x518[3:2] */ - mt76_wr(dev, MT_RF_MISC, mac_reg); + mt76_clear(dev, MT_RF_MISC, 0xc); - if (dev->ee->pa_type == INT_PA_2G_5G || - (dev->ee->pa_type == EXT_PA_5G_ONLY && (rf_band & RF_G_BAND)) || - (dev->ee->pa_type == EXT_PA_2G_ONLY && (rf_band & RF_A_BAND))) { - ; /* Internal PA - nothing to do. */ - } else { - /* - MT_RF_MISC (offset: 0x0518) - [2]1'b1: enable external A band PA, 1'b0: disable external A band PA - [3]1'b1: enable external G band PA, 1'b0: disable external G band PA - */ - if (rf_band & RF_A_BAND) { - mac_reg = mt76_rr(dev, MT_RF_MISC); - mac_reg |= 0x4; - mt76_wr(dev, MT_RF_MISC, mac_reg); - } else { - mac_reg = mt76_rr(dev, MT_RF_MISC); - mac_reg |= 0x8; - mt76_wr(dev, MT_RF_MISC, mac_reg); - } + band = (rf_band & RF_G_BAND) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ; + if (mt76x02_ext_pa_enabled(dev, band)) { + /* MT_RF_MISC (offset: 0x0518) + * [2]1'b1: enable external A band PA + * 1'b0: disable external A band PA + * [3]1'b1: enable external G band PA + * 1'b0: disable external G band PA + */ + if (rf_band & RF_A_BAND) + mt76_set(dev, MT_RF_MISC, BIT(2)); + else + mt76_set(dev, MT_RF_MISC, BIT(3)); /* External PA */ for (i = 0; i < ARRAY_SIZE(mt76x0_rf_ext_pa_tab); i++) if (mt76x0_rf_ext_pa_tab[i].bw_band & rf_band) - rf_wr(dev, mt76x0_rf_ext_pa_tab[i].rf_bank_reg, - mt76x0_rf_ext_pa_tab[i].value); + mt76x0_rf_wr(dev, + mt76x0_rf_ext_pa_tab[i].rf_bank_reg, + mt76x0_rf_ext_pa_tab[i].value); } if (rf_band & RF_G_BAND) { @@ -530,7 +387,9 @@ mt76_wr(dev, MT_TX_ALC_CFG_1, mac_reg); } else { mt76_wr(dev, MT_TX0_RF_GAIN_ATTEN, 0x686A7800); - /* Set Atten mode = 0 For Ext A band, Disable Tx Inc dcoc Cal. */ + /* Set Atten mode = 0 + * For Ext A band, Disable Tx Inc dcoc Cal. + */ mac_reg = mt76_rr(dev, MT_TX_ALC_CFG_1); mac_reg &= 0x890400FF; mt76_wr(dev, MT_TX_ALC_CFG_1, mac_reg); @@ -538,7 +397,7 @@ } static void -mt76x0_phy_set_chan_bbp_params(struct mt76x0_dev *dev, u8 channel, u16 rf_bw_band) +mt76x0_phy_set_chan_bbp_params(struct mt76x02_dev *dev, u16 rf_bw_band) { int i; @@ -551,20 +410,10 @@ if (pair->reg == MT_BBP(AGC, 8)) { u32 val = pair->value; - u8 gain = FIELD_GET(MT_BBP_AGC_GAIN, val); + u8 gain; - if (channel > 14) { - if (channel < 100) - gain -= dev->ee->lna_gain_5ghz[0]*2; - else if (channel < 137) - gain -= dev->ee->lna_gain_5ghz[1]*2; - else - gain -= dev->ee->lna_gain_5ghz[2]*2; - - } else { - gain -= dev->ee->lna_gain_2ghz*2; - } - + gain = FIELD_GET(MT_BBP_AGC_GAIN, val); + gain -= dev->cal.rx.lna_gain * 2; val &= ~MT_BBP_AGC_GAIN; val |= FIELD_PREP(MT_BBP_AGC_GAIN, gain); mt76_wr(dev, pair->reg, val); @@ -574,46 +423,54 @@ } } -#if 0 -static void -mt76x0_extra_power_over_mac(struct mt76x0_dev *dev) +static void mt76x0_phy_ant_select(struct mt76x02_dev *dev) { - u32 val; + u16 ee_ant = mt76x02_eeprom_get(dev, MT_EE_ANTENNA); + u16 ee_cfg1 = mt76x02_eeprom_get(dev, MT_EE_CFG1_INIT); + u16 nic_conf2 = mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_2); + u32 wlan, coex3; + bool ant_div; - val = ((mt76_rr(dev, MT_TX_PWR_CFG_1) & 0x00003f00) >> 8); - val |= ((mt76_rr(dev, MT_TX_PWR_CFG_2) & 0x00003f00) << 8); - mt76_wr(dev, MT_TX_PWR_CFG_7, val); + wlan = mt76_rr(dev, MT_WLAN_FUN_CTRL); + coex3 = mt76_rr(dev, MT_COEXCFG3); - /* TODO: fix VHT */ - val = ((mt76_rr(dev, MT_TX_PWR_CFG_3) & 0x0000ff00) >> 8); - mt76_wr(dev, MT_TX_PWR_CFG_8, val); + ee_ant &= ~(BIT(14) | BIT(12)); + wlan &= ~(BIT(6) | BIT(5)); + coex3 &= ~GENMASK(5, 2); - val = ((mt76_rr(dev, MT_TX_PWR_CFG_4) & 0x0000ff00) >> 8); - mt76_wr(dev, MT_TX_PWR_CFG_9, val); -} - -static void -mt76x0_phy_set_tx_power(struct mt76x0_dev *dev, u8 channel, u8 rf_bw_band) -{ - u32 val; - int i; - int bw = (rf_bw_band & RF_BW_20) ? 0 : 1; - - for (i = 0; i < 4; i++) { - if (channel <= 14) - val = dev->ee->tx_pwr_cfg_2g[i][bw]; + if (ee_ant & MT_EE_ANTENNA_DUAL) { + /* dual antenna mode */ + ant_div = !(nic_conf2 & MT_EE_NIC_CONF_2_ANT_OPT) && + (nic_conf2 & MT_EE_NIC_CONF_2_ANT_DIV); + if (ant_div) + ee_ant |= BIT(12); else - val = dev->ee->tx_pwr_cfg_5g[i][bw]; - - mt76_wr(dev, MT_TX_PWR_CFG_0 + 4*i, val); + coex3 |= BIT(4); + coex3 |= BIT(3); + if (dev->mphy.cap.has_2ghz) + wlan |= BIT(6); + } else { + /* sigle antenna mode */ + if (dev->mphy.cap.has_5ghz) { + coex3 |= BIT(3) | BIT(4); + } else { + wlan |= BIT(6); + coex3 |= BIT(1); + } } - mt76x0_extra_power_over_mac(dev); + if (is_mt7630(dev)) + ee_ant |= BIT(14) | BIT(11); + + mt76_wr(dev, MT_WLAN_FUN_CTRL, wlan); + mt76_rmw(dev, MT_CMB_CTRL, GENMASK(15, 0), ee_ant); + mt76_rmw(dev, MT_CSR_EE_CFG1, GENMASK(15, 0), ee_cfg1); + mt76_clear(dev, MT_COEXCFG0, BIT(2)); + mt76_wr(dev, MT_COEXCFG3, coex3); } -#endif static void -mt76x0_bbp_set_bw(struct mt76x0_dev *dev, enum nl80211_chan_width width) +mt76x0_phy_bbp_set_bw(struct mt76x02_dev *dev, enum nl80211_chan_width width) { enum { BW_20 = 0, BW_40 = 1, BW_80 = 2, BW_10 = 4}; int bw; @@ -637,42 +494,422 @@ case NL80211_CHAN_WIDTH_160: case NL80211_CHAN_WIDTH_5: /* TODO error */ - return ; + return; } - mt76x0_mcu_function_select(dev, BW_SETTING, bw); + mt76x02_mcu_function_select(dev, BW_SETTING, bw); } -static void -mt76x0_phy_set_chan_pwr(struct mt76x0_dev *dev, u8 channel) +static void mt76x0_phy_tssi_dc_calibrate(struct mt76x02_dev *dev) { - static const int mt76x0_tx_pwr_ch_list[] = { - 1,2,3,4,5,6,7,8,9,10,11,12,13,14, - 36,38,40,44,46,48,52,54,56,60,62,64, - 100,102,104,108,110,112,116,118,120,124,126,128,132,134,136,140, - 149,151,153,157,159,161,165,167,169,171,173, - 42,58,106,122,155 - }; - int i; + struct ieee80211_channel *chan = dev->mphy.chandef.chan; u32 val; - for (i = 0; i < ARRAY_SIZE(mt76x0_tx_pwr_ch_list); i++) - if (mt76x0_tx_pwr_ch_list[i] == channel) - break; + if (chan->band == NL80211_BAND_5GHZ) + mt76x0_rf_clear(dev, MT_RF(0, 67), 0xf); - if (WARN_ON(i == ARRAY_SIZE(mt76x0_tx_pwr_ch_list))) - return; + /* bypass ADDA control */ + mt76_wr(dev, MT_RF_SETTING_0, 0x60002237); + mt76_wr(dev, MT_RF_BYPASS_0, 0xffffffff); - val = mt76_rr(dev, MT_TX_ALC_CFG_0); - val &= ~0x3f3f; - val |= dev->ee->tx_pwr_per_chan[i]; - val |= 0x2f2f << 16; - mt76_wr(dev, MT_TX_ALC_CFG_0, val); + /* bbp sw reset */ + mt76_set(dev, MT_BBP(CORE, 4), BIT(0)); + usleep_range(500, 1000); + mt76_clear(dev, MT_BBP(CORE, 4), BIT(0)); + + val = (chan->band == NL80211_BAND_5GHZ) ? 0x80055 : 0x80050; + mt76_wr(dev, MT_BBP(CORE, 34), val); + + /* enable TX with DAC0 input */ + mt76_wr(dev, MT_BBP(TXBE, 6), BIT(31)); + + mt76_poll_msec(dev, MT_BBP(CORE, 34), BIT(4), 0, 200); + dev->cal.tssi_dc = mt76_rr(dev, MT_BBP(CORE, 35)) & 0xff; + + /* stop bypass ADDA */ + mt76_wr(dev, MT_RF_BYPASS_0, 0); + /* stop TX */ + mt76_wr(dev, MT_BBP(TXBE, 6), 0); + /* bbp sw reset */ + mt76_set(dev, MT_BBP(CORE, 4), BIT(0)); + usleep_range(500, 1000); + mt76_clear(dev, MT_BBP(CORE, 4), BIT(0)); + + if (chan->band == NL80211_BAND_5GHZ) + mt76x0_rf_rmw(dev, MT_RF(0, 67), 0xf, 0x4); } static int -__mt76x0_phy_set_channel(struct mt76x0_dev *dev, - struct cfg80211_chan_def *chandef) +mt76x0_phy_tssi_adc_calibrate(struct mt76x02_dev *dev, s16 *ltssi, + u8 *info) +{ + struct ieee80211_channel *chan = dev->mphy.chandef.chan; + u32 val; + + val = (chan->band == NL80211_BAND_5GHZ) ? 0x80055 : 0x80050; + mt76_wr(dev, MT_BBP(CORE, 34), val); + + if (!mt76_poll_msec(dev, MT_BBP(CORE, 34), BIT(4), 0, 200)) { + mt76_clear(dev, MT_BBP(CORE, 34), BIT(4)); + return -ETIMEDOUT; + } + + *ltssi = mt76_rr(dev, MT_BBP(CORE, 35)) & 0xff; + if (chan->band == NL80211_BAND_5GHZ) + *ltssi += 128; + + /* set packet info#1 mode */ + mt76_wr(dev, MT_BBP(CORE, 34), 0x80041); + info[0] = mt76_rr(dev, MT_BBP(CORE, 35)) & 0xff; + + /* set packet info#2 mode */ + mt76_wr(dev, MT_BBP(CORE, 34), 0x80042); + info[1] = mt76_rr(dev, MT_BBP(CORE, 35)) & 0xff; + + /* set packet info#3 mode */ + mt76_wr(dev, MT_BBP(CORE, 34), 0x80043); + info[2] = mt76_rr(dev, MT_BBP(CORE, 35)) & 0xff; + + return 0; +} + +static u8 mt76x0_phy_get_rf_pa_mode(struct mt76x02_dev *dev, + int index, u8 tx_rate) +{ + u32 val, reg; + + reg = (index == 1) ? MT_RF_PA_MODE_CFG1 : MT_RF_PA_MODE_CFG0; + val = mt76_rr(dev, reg); + return (val & (3 << (tx_rate * 2))) >> (tx_rate * 2); +} + +static int +mt76x0_phy_get_target_power(struct mt76x02_dev *dev, u8 tx_mode, + u8 *info, s8 *target_power, + s8 *target_pa_power) +{ + u8 tx_rate, cur_power; + + cur_power = mt76_rr(dev, MT_TX_ALC_CFG_0) & MT_TX_ALC_CFG_0_CH_INIT_0; + switch (tx_mode) { + case 0: + /* cck rates */ + tx_rate = (info[0] & 0x60) >> 5; + if (tx_rate > 3) + return -EINVAL; + + *target_power = cur_power + dev->mt76.rate_power.cck[tx_rate]; + *target_pa_power = mt76x0_phy_get_rf_pa_mode(dev, 0, tx_rate); + break; + case 1: { + u8 index; + + /* ofdm rates */ + tx_rate = (info[0] & 0xf0) >> 4; + switch (tx_rate) { + case 0xb: + index = 0; + break; + case 0xf: + index = 1; + break; + case 0xa: + index = 2; + break; + case 0xe: + index = 3; + break; + case 0x9: + index = 4; + break; + case 0xd: + index = 5; + break; + case 0x8: + index = 6; + break; + case 0xc: + index = 7; + break; + default: + return -EINVAL; + } + + *target_power = cur_power + dev->mt76.rate_power.ofdm[index]; + *target_pa_power = mt76x0_phy_get_rf_pa_mode(dev, 0, index + 4); + break; + } + case 4: + /* vht rates */ + tx_rate = info[1] & 0xf; + if (tx_rate > 9) + return -EINVAL; + + *target_power = cur_power + dev->mt76.rate_power.vht[tx_rate]; + *target_pa_power = mt76x0_phy_get_rf_pa_mode(dev, 1, tx_rate); + break; + default: + /* ht rates */ + tx_rate = info[1] & 0x7f; + if (tx_rate > 9) + return -EINVAL; + + *target_power = cur_power + dev->mt76.rate_power.ht[tx_rate]; + *target_pa_power = mt76x0_phy_get_rf_pa_mode(dev, 1, tx_rate); + break; + } + + return 0; +} + +static s16 mt76x0_phy_lin2db(u16 val) +{ + u32 mantissa = val << 4; + int ret, data; + s16 exp = -4; + + while (mantissa < BIT(15)) { + mantissa <<= 1; + if (--exp < -20) + return -10000; + } + while (mantissa > 0xffff) { + mantissa >>= 1; + if (++exp > 20) + return -10000; + } + + /* s(15,0) */ + if (mantissa <= 47104) + data = mantissa + (mantissa >> 3) + (mantissa >> 4) - 38400; + else + data = mantissa - (mantissa >> 3) - (mantissa >> 6) - 23040; + data = max_t(int, 0, data); + + ret = ((15 + exp) << 15) + data; + ret = (ret << 2) + (ret << 1) + (ret >> 6) + (ret >> 7); + return ret >> 10; +} + +static int +mt76x0_phy_get_delta_power(struct mt76x02_dev *dev, u8 tx_mode, + s8 target_power, s8 target_pa_power, + s16 ltssi) +{ + struct ieee80211_channel *chan = dev->mphy.chandef.chan; + int tssi_target = target_power << 12, tssi_slope; + int tssi_offset, tssi_db, ret; + u32 data; + u16 val; + + if (chan->band == NL80211_BAND_5GHZ) { + u8 bound[7]; + int i, err; + + err = mt76x02_eeprom_copy(dev, MT_EE_TSSI_BOUND1, bound, + sizeof(bound)); + if (err < 0) + return err; + + for (i = 0; i < ARRAY_SIZE(bound); i++) { + if (chan->hw_value <= bound[i] || !bound[i]) + break; + } + val = mt76x02_eeprom_get(dev, MT_EE_TSSI_SLOPE_5G + i * 2); + + tssi_offset = val >> 8; + if ((tssi_offset >= 64 && tssi_offset <= 127) || + (tssi_offset & BIT(7))) + tssi_offset -= BIT(8); + } else { + val = mt76x02_eeprom_get(dev, MT_EE_TSSI_SLOPE_2G); + + tssi_offset = val >> 8; + if (tssi_offset & BIT(7)) + tssi_offset -= BIT(8); + } + tssi_slope = val & 0xff; + + switch (target_pa_power) { + case 1: + if (chan->band == NL80211_BAND_2GHZ) + tssi_target += 29491; /* 3.6 * 8192 */ + fallthrough; + case 0: + break; + default: + tssi_target += 4424; /* 0.54 * 8192 */ + break; + } + + if (!tx_mode) { + data = mt76_rr(dev, MT_BBP(CORE, 1)); + if (is_mt7630(dev) && mt76_is_mmio(&dev->mt76)) { + int offset; + + /* 2.3 * 8192 or 1.5 * 8192 */ + offset = (data & BIT(5)) ? 18841 : 12288; + tssi_target += offset; + } else if (data & BIT(5)) { + /* 0.8 * 8192 */ + tssi_target += 6554; + } + } + + data = mt76_rr(dev, MT_BBP(TXBE, 4)); + switch (data & 0x3) { + case 1: + tssi_target -= 49152; /* -6db * 8192 */ + break; + case 2: + tssi_target -= 98304; /* -12db * 8192 */ + break; + case 3: + tssi_target += 49152; /* 6db * 8192 */ + break; + default: + break; + } + + tssi_db = mt76x0_phy_lin2db(ltssi - dev->cal.tssi_dc) * tssi_slope; + if (chan->band == NL80211_BAND_5GHZ) { + tssi_db += ((tssi_offset - 50) << 10); /* offset s4.3 */ + tssi_target -= tssi_db; + if (ltssi > 254 && tssi_target > 0) { + /* upper saturate */ + tssi_target = 0; + } + } else { + tssi_db += (tssi_offset << 9); /* offset s3.4 */ + tssi_target -= tssi_db; + /* upper-lower saturate */ + if ((ltssi > 126 && tssi_target > 0) || + ((ltssi - dev->cal.tssi_dc) < 1 && tssi_target < 0)) { + tssi_target = 0; + } + } + + if ((dev->cal.tssi_target ^ tssi_target) < 0 && + dev->cal.tssi_target > -4096 && dev->cal.tssi_target < 4096 && + tssi_target > -4096 && tssi_target < 4096) { + if ((tssi_target < 0 && + tssi_target + dev->cal.tssi_target > 0) || + (tssi_target > 0 && + tssi_target + dev->cal.tssi_target <= 0)) + tssi_target = 0; + else + dev->cal.tssi_target = tssi_target; + } else { + dev->cal.tssi_target = tssi_target; + } + + /* make the compensate value to the nearest compensate code */ + if (tssi_target > 0) + tssi_target += 2048; + else + tssi_target -= 2048; + tssi_target >>= 12; + + ret = mt76_get_field(dev, MT_TX_ALC_CFG_1, MT_TX_ALC_CFG_1_TEMP_COMP); + if (ret & BIT(5)) + ret -= BIT(6); + ret += tssi_target; + + ret = min_t(int, 31, ret); + return max_t(int, -32, ret); +} + +static void mt76x0_phy_tssi_calibrate(struct mt76x02_dev *dev) +{ + s8 target_power, target_pa_power; + u8 tssi_info[3], tx_mode; + s16 ltssi; + s8 val; + + if (mt76x0_phy_tssi_adc_calibrate(dev, <ssi, tssi_info) < 0) + return; + + tx_mode = tssi_info[0] & 0x7; + if (mt76x0_phy_get_target_power(dev, tx_mode, tssi_info, + &target_power, &target_pa_power) < 0) + return; + + val = mt76x0_phy_get_delta_power(dev, tx_mode, target_power, + target_pa_power, ltssi); + mt76_rmw_field(dev, MT_TX_ALC_CFG_1, MT_TX_ALC_CFG_1_TEMP_COMP, val); +} + +void mt76x0_phy_set_txpower(struct mt76x02_dev *dev) +{ + struct mt76_rate_power *t = &dev->mt76.rate_power; + s8 info; + + mt76x0_get_tx_power_per_rate(dev, dev->mphy.chandef.chan, t); + mt76x0_get_power_info(dev, dev->mphy.chandef.chan, &info); + + mt76x02_add_rate_power_offset(t, info); + mt76x02_limit_rate_power(t, dev->txpower_conf); + dev->mphy.txpower_cur = mt76x02_get_max_rate_power(t); + mt76x02_add_rate_power_offset(t, -info); + + dev->target_power = info; + mt76x02_phy_set_txpower(dev, info, info); +} + +void mt76x0_phy_calibrate(struct mt76x02_dev *dev, bool power_on) +{ + struct ieee80211_channel *chan = dev->mphy.chandef.chan; + int is_5ghz = (chan->band == NL80211_BAND_5GHZ) ? 1 : 0; + u32 val, tx_alc, reg_val; + + if (is_mt7630(dev)) + return; + + if (power_on) { + mt76x02_mcu_calibrate(dev, MCU_CAL_R, 0); + mt76x02_mcu_calibrate(dev, MCU_CAL_VCO, chan->hw_value); + usleep_range(10, 20); + + if (mt76x0_tssi_enabled(dev)) { + mt76_wr(dev, MT_MAC_SYS_CTRL, + MT_MAC_SYS_CTRL_ENABLE_RX); + mt76x0_phy_tssi_dc_calibrate(dev); + mt76_wr(dev, MT_MAC_SYS_CTRL, + MT_MAC_SYS_CTRL_ENABLE_TX | + MT_MAC_SYS_CTRL_ENABLE_RX); + } + } + + tx_alc = mt76_rr(dev, MT_TX_ALC_CFG_0); + mt76_wr(dev, MT_TX_ALC_CFG_0, 0); + usleep_range(500, 700); + + reg_val = mt76_rr(dev, MT_BBP(IBI, 9)); + mt76_wr(dev, MT_BBP(IBI, 9), 0xffffff7e); + + if (is_5ghz) { + if (chan->hw_value < 100) + val = 0x701; + else if (chan->hw_value < 140) + val = 0x801; + else + val = 0x901; + } else { + val = 0x600; + } + + mt76x02_mcu_calibrate(dev, MCU_CAL_FULL, val); + mt76x02_mcu_calibrate(dev, MCU_CAL_LC, is_5ghz); + usleep_range(15000, 20000); + + mt76_wr(dev, MT_BBP(IBI, 9), reg_val); + mt76_wr(dev, MT_TX_ALC_CFG_0, tx_alc); + mt76x02_mcu_calibrate(dev, MCU_CAL_RXDCOC, 1); +} +EXPORT_SYMBOL_GPL(mt76x0_phy_calibrate); + +void mt76x0_phy_set_channel(struct mt76x02_dev *dev, + struct cfg80211_chan_def *chandef) { u32 ext_cca_chan[4] = { [0] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 0) | @@ -696,7 +933,7 @@ FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 0) | FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(3)), }; - bool scan = test_bit(MT76_SCANNING, &dev->mt76.state); + bool scan = test_bit(MT76_SCANNING, &dev->mphy.state); int ch_group_index, freq, freq1; u8 channel; u32 val; @@ -729,9 +966,19 @@ break; } - mt76x0_bbp_set_bw(dev, chandef->width); - mt76x0_bbp_set_ctrlch(dev, chandef->width, ch_group_index); - mt76x0_mac_set_ctrlch(dev, ch_group_index & 1); + if (mt76_is_usb(&dev->mt76)) { + mt76x0_phy_bbp_set_bw(dev, chandef->width); + } else { + if (chandef->width == NL80211_CHAN_WIDTH_80 || + chandef->width == NL80211_CHAN_WIDTH_40) + val = 0x201; + else + val = 0x601; + mt76_wr(dev, MT_TX_SW_CFG0, val); + } + mt76x02_phy_set_bw(dev, chandef->width, ch_group_index); + mt76x02_phy_set_band(dev, chandef->chan->band, + ch_group_index & 1); mt76_rmw(dev, MT_EXT_CCA_CFG, (MT_EXT_CCA_CFG_CCA0 | @@ -745,201 +992,174 @@ mt76x0_phy_set_chan_rf_params(dev, channel, rf_bw_band); /* set Japan Tx filter at channel 14 */ - val = mt76_rr(dev, MT_BBP(CORE, 1)); if (channel == 14) - val |= 0x20; + mt76_set(dev, MT_BBP(CORE, 1), 0x20); else - val &= ~0x20; - mt76_wr(dev, MT_BBP(CORE, 1), val); + mt76_clear(dev, MT_BBP(CORE, 1), 0x20); - mt76x0_phy_set_chan_bbp_params(dev, channel, rf_bw_band); + mt76x0_read_rx_gain(dev); + mt76x0_phy_set_chan_bbp_params(dev, rf_bw_band); - /* Vendor driver don't do it */ - /* mt76x0_phy_set_tx_power(dev, channel, rf_bw_band); */ - - mt76x0_vco_cal(dev, channel); + /* enable vco */ + mt76x0_rf_set(dev, MT_RF(0, 4), BIT(7)); if (scan) - mt76x0_mcu_calibrate(dev, MCU_CAL_RXDCOC, 1); + return; - mt76x0_phy_set_chan_pwr(dev, channel); - - dev->mt76.chandef = *chandef; - return 0; -} - -int mt76x0_phy_set_channel(struct mt76x0_dev *dev, - struct cfg80211_chan_def *chandef) -{ - int ret; - - mutex_lock(&dev->hw_atomic_mutex); - ret = __mt76x0_phy_set_channel(dev, chandef); - mutex_unlock(&dev->hw_atomic_mutex); - - return ret; -} - -void mt76x0_phy_recalibrate_after_assoc(struct mt76x0_dev *dev) -{ - u32 tx_alc, reg_val; - u8 channel = dev->mt76.chandef.chan->hw_value; - int is_5ghz = (dev->mt76.chandef.chan->band == NL80211_BAND_5GHZ) ? 1 : 0; - - mt76x0_mcu_calibrate(dev, MCU_CAL_R, 0); - - mt76x0_vco_cal(dev, channel); - - tx_alc = mt76_rr(dev, MT_TX_ALC_CFG_0); - mt76_wr(dev, MT_TX_ALC_CFG_0, 0); - usleep_range(500, 700); - - reg_val = mt76_rr(dev, MT_BBP(IBI, 9)); - mt76_wr(dev, MT_BBP(IBI, 9), 0xffffff7e); - - mt76x0_mcu_calibrate(dev, MCU_CAL_RXDCOC, 0); - - mt76x0_mcu_calibrate(dev, MCU_CAL_LC, is_5ghz); - mt76x0_mcu_calibrate(dev, MCU_CAL_LOFT, is_5ghz); - mt76x0_mcu_calibrate(dev, MCU_CAL_TXIQ, is_5ghz); - mt76x0_mcu_calibrate(dev, MCU_CAL_TX_GROUP_DELAY, is_5ghz); - mt76x0_mcu_calibrate(dev, MCU_CAL_RXIQ, is_5ghz); - mt76x0_mcu_calibrate(dev, MCU_CAL_RX_GROUP_DELAY, is_5ghz); - - mt76_wr(dev, MT_BBP(IBI, 9), reg_val); - mt76_wr(dev, MT_TX_ALC_CFG_0, tx_alc); - msleep(100); - - mt76x0_mcu_calibrate(dev, MCU_CAL_RXDCOC, 1); -} - -void mt76x0_agc_save(struct mt76x0_dev *dev) -{ - /* Only one RX path */ - dev->agc_save = FIELD_GET(MT_BBP_AGC_GAIN, mt76_rr(dev, MT_BBP(AGC, 8))); -} - -void mt76x0_agc_restore(struct mt76x0_dev *dev) -{ - mt76_rmw_field(dev, MT_BBP(AGC, 8), MT_BBP_AGC_GAIN, dev->agc_save); -} - -static void mt76x0_temp_sensor(struct mt76x0_dev *dev) -{ - u8 rf_b7_73, rf_b0_66, rf_b0_67; - int cycle, temp; - u32 val; - s32 sval; - - rf_b7_73 = rf_rr(dev, MT_RF(7, 73)); - rf_b0_66 = rf_rr(dev, MT_RF(0, 66)); - rf_b0_67 = rf_rr(dev, MT_RF(0, 73)); - - rf_wr(dev, MT_RF(7, 73), 0x02); - rf_wr(dev, MT_RF(0, 66), 0x23); - rf_wr(dev, MT_RF(0, 73), 0x01); - - mt76_wr(dev, MT_BBP(CORE, 34), 0x00080055); - - for (cycle = 0; cycle < 2000; cycle++) { - val = mt76_rr(dev, MT_BBP(CORE, 34)); - if (!(val & 0x10)) - break; - udelay(3); - } - - if (cycle >= 2000) { - val &= 0x10; - mt76_wr(dev, MT_BBP(CORE, 34), val); - goto done; - } - - sval = mt76_rr(dev, MT_BBP(CORE, 35)) & 0xff; - if (!(sval & 0x80)) - sval &= 0x7f; /* Positive */ - else - sval |= 0xffffff00; /* Negative */ - - temp = (35 * (sval - dev->ee->temp_off))/ 10 + 25; - -done: - rf_wr(dev, MT_RF(7, 73), rf_b7_73); - rf_wr(dev, MT_RF(0, 66), rf_b0_66); - rf_wr(dev, MT_RF(0, 73), rf_b0_67); -} - -static void mt76x0_dynamic_vga_tuning(struct mt76x0_dev *dev) -{ - u32 val, init_vga; - - init_vga = (dev->mt76.chandef.chan->band == NL80211_BAND_5GHZ) ? 0x54 : 0x4E; - if (dev->avg_rssi > -60) - init_vga -= 0x20; - else if (dev->avg_rssi > -70) - init_vga -= 0x10; - - val = mt76_rr(dev, MT_BBP(AGC, 8)); - val &= 0xFFFF80FF; - val |= init_vga << 8; - mt76_wr(dev, MT_BBP(AGC,8), val); -} - -static void mt76x0_phy_calibrate(struct work_struct *work) -{ - struct mt76x0_dev *dev = container_of(work, struct mt76x0_dev, - cal_work.work); - - mt76x0_dynamic_vga_tuning(dev); - mt76x0_temp_sensor(dev); + mt76x02_init_agc_gain(dev); + mt76x0_phy_calibrate(dev, false); + mt76x0_phy_set_txpower(dev); ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work, MT_CALIBRATE_INTERVAL); } -void mt76x0_phy_con_cal_onoff(struct mt76x0_dev *dev, - struct ieee80211_bss_conf *info) +static void mt76x0_phy_temp_sensor(struct mt76x02_dev *dev) { - /* Start/stop collecting beacon data */ - spin_lock_bh(&dev->con_mon_lock); - ether_addr_copy(dev->ap_bssid, info->bssid); - dev->avg_rssi = 0; - dev->bcn_freq_off = MT_FREQ_OFFSET_INVALID; - spin_unlock_bh(&dev->con_mon_lock); + u8 rf_b7_73, rf_b0_66, rf_b0_67; + s8 val; + + rf_b7_73 = mt76x0_rf_rr(dev, MT_RF(7, 73)); + rf_b0_66 = mt76x0_rf_rr(dev, MT_RF(0, 66)); + rf_b0_67 = mt76x0_rf_rr(dev, MT_RF(0, 67)); + + mt76x0_rf_wr(dev, MT_RF(7, 73), 0x02); + mt76x0_rf_wr(dev, MT_RF(0, 66), 0x23); + mt76x0_rf_wr(dev, MT_RF(0, 67), 0x01); + + mt76_wr(dev, MT_BBP(CORE, 34), 0x00080055); + if (!mt76_poll_msec(dev, MT_BBP(CORE, 34), BIT(4), 0, 200)) { + mt76_clear(dev, MT_BBP(CORE, 34), BIT(4)); + goto done; + } + + val = mt76_rr(dev, MT_BBP(CORE, 35)); + val = (35 * (val - dev->cal.rx.temp_offset)) / 10 + 25; + + if (abs(val - dev->cal.temp_vco) > 20) { + mt76x02_mcu_calibrate(dev, MCU_CAL_VCO, + dev->mphy.chandef.chan->hw_value); + dev->cal.temp_vco = val; + } + if (abs(val - dev->cal.temp) > 30) { + mt76x0_phy_calibrate(dev, false); + dev->cal.temp = val; + } + +done: + mt76x0_rf_wr(dev, MT_RF(7, 73), rf_b7_73); + mt76x0_rf_wr(dev, MT_RF(0, 66), rf_b0_66); + mt76x0_rf_wr(dev, MT_RF(0, 67), rf_b0_67); +} + +static void mt76x0_phy_set_gain_val(struct mt76x02_dev *dev) +{ + u8 gain = dev->cal.agc_gain_cur[0] - dev->cal.agc_gain_adjust; + + mt76_rmw_field(dev, MT_BBP(AGC, 8), MT_BBP_AGC_GAIN, gain); + + if ((dev->mphy.chandef.chan->flags & IEEE80211_CHAN_RADAR) && + !is_mt7630(dev)) + mt76x02_phy_dfs_adjust_agc(dev); } static void -mt76x0_set_rx_chains(struct mt76x0_dev *dev) +mt76x0_phy_update_channel_gain(struct mt76x02_dev *dev) { - u32 val; + bool gain_change; + u8 gain_delta; + int low_gain; - val = mt76_rr(dev, MT_BBP(AGC, 0)); - val &= ~(BIT(3) | BIT(4)); + dev->cal.avg_rssi_all = mt76_get_min_avg_rssi(&dev->mt76, false); + if (!dev->cal.avg_rssi_all) + dev->cal.avg_rssi_all = -75; - if (dev->chainmask & BIT(1)) - val |= BIT(3); + low_gain = (dev->cal.avg_rssi_all > mt76x02_get_rssi_gain_thresh(dev)) + + (dev->cal.avg_rssi_all > mt76x02_get_low_rssi_gain_thresh(dev)); - mt76_wr(dev, MT_BBP(AGC, 0), val); + gain_change = dev->cal.low_gain < 0 || + (dev->cal.low_gain & 2) ^ (low_gain & 2); + dev->cal.low_gain = low_gain; - mb(); - val = mt76_rr(dev, MT_BBP(AGC, 0)); + if (!gain_change) { + if (mt76x02_phy_adjust_vga_gain(dev)) + mt76x0_phy_set_gain_val(dev); + return; + } + + dev->cal.agc_gain_adjust = (low_gain == 2) ? 0 : 10; + gain_delta = (low_gain == 2) ? 10 : 0; + + dev->cal.agc_gain_cur[0] = dev->cal.agc_gain_init[0] - gain_delta; + mt76x0_phy_set_gain_val(dev); + + /* clear false CCA counters */ + mt76_rr(dev, MT_RX_STAT_1); } -static void -mt76x0_set_tx_dac(struct mt76x0_dev *dev) +static void mt76x0_phy_calibration_work(struct work_struct *work) { - if (dev->chainmask & BIT(1)) - mt76_set(dev, MT_BBP(TXBE, 5), 3); + struct mt76x02_dev *dev = container_of(work, struct mt76x02_dev, + cal_work.work); + + mt76x0_phy_update_channel_gain(dev); + if (mt76x0_tssi_enabled(dev)) + mt76x0_phy_tssi_calibrate(dev); else - mt76_clear(dev, MT_BBP(TXBE, 5), 3); + mt76x0_phy_temp_sensor(dev); + + ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work, + 4 * MT_CALIBRATE_INTERVAL); } -static void -mt76x0_rf_init(struct mt76x0_dev *dev) +static void mt76x0_rf_patch_reg_array(struct mt76x02_dev *dev, + const struct mt76_reg_pair *rp, int len) { int i; - u8 val; - RF_RANDOM_WRITE(dev, mt76x0_rf_central_tab); - RF_RANDOM_WRITE(dev, mt76x0_rf_2g_channel_0_tab); + for (i = 0; i < len; i++) { + u32 reg = rp[i].reg; + u8 val = rp[i].value; + + switch (reg) { + case MT_RF(0, 3): + if (mt76_is_mmio(&dev->mt76)) { + if (is_mt7630(dev)) + val = 0x70; + else + val = 0x63; + } else { + val = 0x73; + } + break; + case MT_RF(0, 21): + if (is_mt7610e(dev)) + val = 0x10; + else + val = 0x12; + break; + case MT_RF(5, 2): + if (is_mt7630(dev)) + val = 0x1d; + else if (is_mt7610e(dev)) + val = 0x00; + else + val = 0x0c; + break; + default: + break; + } + mt76x0_rf_wr(dev, reg, val); + } +} + +static void mt76x0_phy_rf_init(struct mt76x02_dev *dev) +{ + int i; + + mt76x0_rf_patch_reg_array(dev, mt76x0_rf_central_tab, + ARRAY_SIZE(mt76x0_rf_central_tab)); + mt76x0_rf_patch_reg_array(dev, mt76x0_rf_2g_channel_0_tab, + ARRAY_SIZE(mt76x0_rf_2g_channel_0_tab)); RF_RANDOM_WRITE(dev, mt76x0_rf_5g_channel_0_tab); RF_RANDOM_WRITE(dev, mt76x0_rf_vga_channel_0_tab); @@ -947,61 +1167,47 @@ const struct mt76x0_rf_switch_item *item = &mt76x0_rf_bw_switch_tab[i]; if (item->bw_band == RF_BW_20) - rf_wr(dev, item->rf_bank_reg, item->value); - else if (((RF_G_BAND | RF_BW_20) & item->bw_band) == (RF_G_BAND | RF_BW_20)) - rf_wr(dev, item->rf_bank_reg, item->value); + mt76x0_rf_wr(dev, item->rf_bank_reg, item->value); + else if (((RF_G_BAND | RF_BW_20) & item->bw_band) == + (RF_G_BAND | RF_BW_20)) + mt76x0_rf_wr(dev, item->rf_bank_reg, item->value); } for (i = 0; i < ARRAY_SIZE(mt76x0_rf_band_switch_tab); i++) { if (mt76x0_rf_band_switch_tab[i].bw_band & RF_G_BAND) { - rf_wr(dev, - mt76x0_rf_band_switch_tab[i].rf_bank_reg, - mt76x0_rf_band_switch_tab[i].value); + mt76x0_rf_wr(dev, + mt76x0_rf_band_switch_tab[i].rf_bank_reg, + mt76x0_rf_band_switch_tab[i].value); } } - /* - Frequency calibration - E1: B0.R22<6:0>: xo_cxo<6:0> - E2: B0.R21<0>: xo_cxo<0>, B0.R22<7:0>: xo_cxo<8:1> + /* Frequency calibration + * E1: B0.R22<6:0>: xo_cxo<6:0> + * E2: B0.R21<0>: xo_cxo<0>, B0.R22<7:0>: xo_cxo<8:1> */ - rf_wr(dev, MT_RF(0, 22), min_t(u8, dev->ee->rf_freq_off, 0xBF)); - val = rf_rr(dev, MT_RF(0, 22)); + mt76x0_rf_wr(dev, MT_RF(0, 22), + min_t(u8, dev->cal.rx.freq_offset, 0xbf)); + mt76x0_rf_rr(dev, MT_RF(0, 22)); - /* - Reset the DAC (Set B0.R73<7>=1, then set B0.R73<7>=0, and then set B0.R73<7>) during power up. + /* Reset procedure DAC during power-up: + * - set B0.R73<7> + * - clear B0.R73<7> + * - set B0.R73<7> */ - val = rf_rr(dev, MT_RF(0, 73)); - val |= 0x80; - rf_wr(dev, MT_RF(0, 73), val); - val &= ~0x80; - rf_wr(dev, MT_RF(0, 73), val); - val |= 0x80; - rf_wr(dev, MT_RF(0, 73), val); + mt76x0_rf_set(dev, MT_RF(0, 73), BIT(7)); + mt76x0_rf_clear(dev, MT_RF(0, 73), BIT(7)); + mt76x0_rf_set(dev, MT_RF(0, 73), BIT(7)); - /* - vcocal_en (initiate VCO calibration (reset after completion)) - It should be at the end of RF configuration. - */ - rf_set(dev, MT_RF(0, 4), 0x80); + /* vcocal_en: initiate VCO calibration (reset after completion)) */ + mt76x0_rf_set(dev, MT_RF(0, 4), 0x80); } -static void mt76x0_ant_select(struct mt76x0_dev *dev) +void mt76x0_phy_init(struct mt76x02_dev *dev) { - /* Single antenna mode. */ - mt76_rmw(dev, MT_WLAN_FUN_CTRL, BIT(5), BIT(6)); - mt76_clear(dev, MT_CMB_CTRL, BIT(14) | BIT(12)); - mt76_clear(dev, MT_COEXCFG0, BIT(2)); - mt76_rmw(dev, MT_COEXCFG3, BIT(5) | BIT(4) | BIT(3) | BIT(2), BIT(1)); -} + INIT_DELAYED_WORK(&dev->cal_work, mt76x0_phy_calibration_work); -void mt76x0_phy_init(struct mt76x0_dev *dev) -{ - INIT_DELAYED_WORK(&dev->cal_work, mt76x0_phy_calibrate); - - mt76x0_ant_select(dev); - - mt76x0_rf_init(dev); - - mt76x0_set_rx_chains(dev); - mt76x0_set_tx_dac(dev); + mt76x0_phy_ant_select(dev); + mt76x0_phy_rf_init(dev); + mt76x02_phy_set_rxpath(dev); + mt76x02_phy_set_txdac(dev); } -- Gitblit v1.6.2