diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x2/init.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2/init.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/init.c b/drivers/net/wireless/mediatek/mt76/mt76x2/init.c new file mode 100644 index 0000000..79e583e --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/init.c @@ -0,0 +1,175 @@ +// SPDX-License-Identifier: ISC +/* + * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + */ + +#include "mt76x2.h" +#include "eeprom.h" +#include "../mt76x02_phy.h" + +static void +mt76x2_set_wlan_state(struct mt76x02_dev *dev, bool enable) +{ + u32 val = mt76_rr(dev, MT_WLAN_FUN_CTRL); + + if (enable) + val |= (MT_WLAN_FUN_CTRL_WLAN_EN | + MT_WLAN_FUN_CTRL_WLAN_CLK_EN); + else + val &= ~(MT_WLAN_FUN_CTRL_WLAN_EN | + MT_WLAN_FUN_CTRL_WLAN_CLK_EN); + + mt76_wr(dev, MT_WLAN_FUN_CTRL, val); + udelay(20); +} + +void mt76x2_reset_wlan(struct mt76x02_dev *dev, bool enable) +{ + u32 val; + + if (!enable) + goto out; + + val = mt76_rr(dev, MT_WLAN_FUN_CTRL); + + val &= ~MT_WLAN_FUN_CTRL_FRC_WL_ANT_SEL; + + if (val & MT_WLAN_FUN_CTRL_WLAN_EN) { + val |= MT_WLAN_FUN_CTRL_WLAN_RESET_RF; + mt76_wr(dev, MT_WLAN_FUN_CTRL, val); + udelay(20); + + val &= ~MT_WLAN_FUN_CTRL_WLAN_RESET_RF; + } + + mt76_wr(dev, MT_WLAN_FUN_CTRL, val); + udelay(20); + +out: + mt76x2_set_wlan_state(dev, enable); +} +EXPORT_SYMBOL_GPL(mt76x2_reset_wlan); + +void mt76_write_mac_initvals(struct mt76x02_dev *dev) +{ +#define DEFAULT_PROT_CFG_CCK \ + (FIELD_PREP(MT_PROT_CFG_RATE, 0x3) | \ + FIELD_PREP(MT_PROT_CFG_NAV, 1) | \ + FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x3f) | \ + MT_PROT_CFG_RTS_THRESH) + +#define DEFAULT_PROT_CFG_OFDM \ + (FIELD_PREP(MT_PROT_CFG_RATE, 0x2004) | \ + FIELD_PREP(MT_PROT_CFG_NAV, 1) | \ + FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x3f) | \ + MT_PROT_CFG_RTS_THRESH) + +#define DEFAULT_PROT_CFG_20 \ + (FIELD_PREP(MT_PROT_CFG_RATE, 0x2004) | \ + FIELD_PREP(MT_PROT_CFG_CTRL, 1) | \ + FIELD_PREP(MT_PROT_CFG_NAV, 1) | \ + FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x17)) + +#define DEFAULT_PROT_CFG_40 \ + (FIELD_PREP(MT_PROT_CFG_RATE, 0x2084) | \ + FIELD_PREP(MT_PROT_CFG_CTRL, 1) | \ + FIELD_PREP(MT_PROT_CFG_NAV, 1) | \ + FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x3f)) + + static const struct mt76_reg_pair vals[] = { + /* Copied from MediaTek reference source */ + { MT_PBF_SYS_CTRL, 0x00080c00 }, + { MT_PBF_CFG, 0x1efebcff }, + { MT_FCE_PSE_CTRL, 0x00000001 }, + { MT_MAC_SYS_CTRL, 0x0000000c }, + { MT_MAX_LEN_CFG, 0x003e3f00 }, + { MT_AMPDU_MAX_LEN_20M1S, 0xaaa99887 }, + { MT_AMPDU_MAX_LEN_20M2S, 0x000000aa }, + { MT_XIFS_TIME_CFG, 0x33a40d0a }, + { MT_BKOFF_SLOT_CFG, 0x00000209 }, + { MT_TBTT_SYNC_CFG, 0x00422010 }, + { MT_PWR_PIN_CFG, 0x00000000 }, + { 0x1238, 0x001700c8 }, + { MT_TX_SW_CFG0, 0x00101001 }, + { MT_TX_SW_CFG1, 0x00010000 }, + { MT_TX_SW_CFG2, 0x00000000 }, + { MT_TXOP_CTRL_CFG, 0x0400583f }, + { MT_TX_RTS_CFG, 0x00ffff20 }, + { MT_TX_TIMEOUT_CFG, 0x000a2290 }, + { MT_TX_RETRY_CFG, 0x47f01f0f }, + { MT_EXP_ACK_TIME, 0x002c00dc }, + { MT_TX_PROT_CFG6, 0xe3f42004 }, + { MT_TX_PROT_CFG7, 0xe3f42084 }, + { MT_TX_PROT_CFG8, 0xe3f42104 }, + { MT_PIFS_TX_CFG, 0x00060fff }, + { MT_RX_FILTR_CFG, 0x00015f97 }, + { MT_LEGACY_BASIC_RATE, 0x0000017f }, + { MT_HT_BASIC_RATE, 0x00004003 }, + { MT_PN_PAD_MODE, 0x00000003 }, + { MT_TXOP_HLDR_ET, 0x00000002 }, + { 0xa44, 0x00000000 }, + { MT_HEADER_TRANS_CTRL_REG, 0x00000000 }, + { MT_TSO_CTRL, 0x00000000 }, + { MT_AUX_CLK_CFG, 0x00000000 }, + { MT_DACCLK_EN_DLY_CFG, 0x00000000 }, + { MT_TX_ALC_CFG_4, 0x00000000 }, + { MT_TX_ALC_VGA3, 0x00000000 }, + { MT_TX_PWR_CFG_0, 0x3a3a3a3a }, + { MT_TX_PWR_CFG_1, 0x3a3a3a3a }, + { MT_TX_PWR_CFG_2, 0x3a3a3a3a }, + { MT_TX_PWR_CFG_3, 0x3a3a3a3a }, + { MT_TX_PWR_CFG_4, 0x3a3a3a3a }, + { MT_TX_PWR_CFG_7, 0x3a3a3a3a }, + { MT_TX_PWR_CFG_8, 0x0000003a }, + { MT_TX_PWR_CFG_9, 0x0000003a }, + { MT_EFUSE_CTRL, 0x0000d000 }, + { MT_PAUSE_ENABLE_CONTROL1, 0x0000000a }, + { MT_FCE_WLAN_FLOW_CONTROL1, 0x60401c18 }, + { MT_WPDMA_DELAY_INT_CFG, 0x94ff0000 }, + { MT_TX_SW_CFG3, 0x00000004 }, + { MT_HT_FBK_TO_LEGACY, 0x00001818 }, + { MT_VHT_HT_FBK_CFG1, 0xedcba980 }, + { MT_PROT_AUTO_TX_CFG, 0x00830083 }, + { MT_HT_CTRL_CFG, 0x000001ff }, + { MT_TX_LINK_CFG, 0x00001020 }, + }; + struct mt76_reg_pair prot_vals[] = { + { MT_CCK_PROT_CFG, DEFAULT_PROT_CFG_CCK }, + { MT_OFDM_PROT_CFG, DEFAULT_PROT_CFG_OFDM }, + { MT_MM20_PROT_CFG, DEFAULT_PROT_CFG_20 }, + { MT_MM40_PROT_CFG, DEFAULT_PROT_CFG_40 }, + { MT_GF20_PROT_CFG, DEFAULT_PROT_CFG_20 }, + { MT_GF40_PROT_CFG, DEFAULT_PROT_CFG_40 }, + }; + + mt76_wr_rp(dev, 0, vals, ARRAY_SIZE(vals)); + mt76_wr_rp(dev, 0, prot_vals, ARRAY_SIZE(prot_vals)); +} +EXPORT_SYMBOL_GPL(mt76_write_mac_initvals); + +void mt76x2_init_txpower(struct mt76x02_dev *dev, + struct ieee80211_supported_band *sband) +{ + struct ieee80211_channel *chan; + struct mt76x2_tx_power_info txp; + struct mt76_rate_power t = {}; + int i; + + for (i = 0; i < sband->n_channels; i++) { + chan = &sband->channels[i]; + + mt76x2_get_power_info(dev, &txp, chan); + mt76x2_get_rate_power(dev, &t, chan); + + chan->orig_mpwr = mt76x02_get_max_rate_power(&t) + + txp.target_power; + chan->orig_mpwr = DIV_ROUND_UP(chan->orig_mpwr, 2); + + /* convert to combined output power on 2x2 devices */ + chan->orig_mpwr += 3; + chan->max_power = min_t(int, chan->max_reg_power, + chan->orig_mpwr); + } +} +EXPORT_SYMBOL_GPL(mt76x2_init_txpower); |