diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x2_init.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2_init.c | 305 |
1 files changed, 12 insertions, 293 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c index 79ab93613e06..b814391f79ac 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c @@ -19,39 +19,6 @@ #include "mt76x2_eeprom.h" #include "mt76x2_mcu.h" -struct mt76x2_reg_pair { - u32 reg; - u32 value; -}; - -static bool -mt76x2_wait_for_mac(struct mt76x2_dev *dev) -{ - int i; - - for (i = 0; i < 500; i++) { - switch (mt76_rr(dev, MT_MAC_CSR0)) { - case 0: - case ~0: - break; - default: - return true; - } - usleep_range(5000, 10000); - } - - return false; -} - -static bool -wait_for_wpdma(struct mt76x2_dev *dev) -{ - return mt76_poll(dev, MT_WPDMA_GLO_CFG, - MT_WPDMA_GLO_CFG_TX_DMA_BUSY | - MT_WPDMA_GLO_CFG_RX_DMA_BUSY, - 0, 1000); -} - static void mt76x2_mac_pbf_init(struct mt76x2_dev *dev) { @@ -71,107 +38,6 @@ mt76x2_mac_pbf_init(struct mt76x2_dev *dev) } static void -mt76x2_write_reg_pairs(struct mt76x2_dev *dev, - const struct mt76x2_reg_pair *data, int len) -{ - while (len > 0) { - mt76_wr(dev, data->reg, data->value); - len--; - data++; - } -} - -static void -mt76_write_mac_initvals(struct mt76x2_dev *dev) -{ -#define DEFAULT_PROT_CFG \ - (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 mt76x2_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, 0x00100020 }, - { 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 }, - }; - struct mt76x2_reg_pair prot_vals[] = { - { MT_CCK_PROT_CFG, DEFAULT_PROT_CFG }, - { MT_OFDM_PROT_CFG, DEFAULT_PROT_CFG }, - { 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 }, - }; - - mt76x2_write_reg_pairs(dev, vals, ARRAY_SIZE(vals)); - mt76x2_write_reg_pairs(dev, prot_vals, ARRAY_SIZE(prot_vals)); -} - -static void mt76x2_fixup_xtal(struct mt76x2_dev *dev) { u16 eep_val; @@ -360,41 +226,6 @@ int mt76x2_mac_start(struct mt76x2_dev *dev) return 0; } -void mt76x2_mac_stop(struct mt76x2_dev *dev, bool force) -{ - bool stopped = false; - u32 rts_cfg; - int i; - - mt76_wr(dev, MT_MAC_SYS_CTRL, 0); - - rts_cfg = mt76_rr(dev, MT_TX_RTS_CFG); - mt76_wr(dev, MT_TX_RTS_CFG, rts_cfg & ~MT_TX_RTS_CFG_RETRY_LIMIT); - - /* Wait for MAC to become idle */ - for (i = 0; i < 300; i++) { - if ((mt76_rr(dev, MT_MAC_STATUS) & - (MT_MAC_STATUS_RX | MT_MAC_STATUS_TX)) || - mt76_rr(dev, MT_BBP(IBI, 12))) { - udelay(1); - continue; - } - - stopped = true; - break; - } - - if (force && !stopped) { - mt76_set(dev, MT_BBP(CORE, 4), BIT(1)); - mt76_clear(dev, MT_BBP(CORE, 4), BIT(1)); - - mt76_set(dev, MT_BBP(CORE, 4), BIT(0)); - mt76_clear(dev, MT_BBP(CORE, 4), BIT(0)); - } - - mt76_wr(dev, MT_TX_RTS_CFG, rts_cfg); -} - void mt76x2_mac_resume(struct mt76x2_dev *dev) { mt76_wr(dev, MT_MAC_SYS_CTRL, @@ -498,45 +329,6 @@ void mt76x2_set_tx_ackto(struct mt76x2_dev *dev) MT_TX_TIMEOUT_CFG_ACKTO, ackto); } -static void -mt76x2_set_wlan_state(struct mt76x2_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); -} - -static void -mt76x2_reset_wlan(struct mt76x2_dev *dev, bool enable) -{ - u32 val; - - 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); - - mt76x2_set_wlan_state(dev, enable); -} - int mt76x2_init_hardware(struct mt76x2_dev *dev) { static const u16 beacon_offsets[16] = { @@ -567,11 +359,6 @@ int mt76x2_init_hardware(struct mt76x2_dev *dev) tasklet_init(&dev->pre_tbtt_tasklet, mt76x2_pre_tbtt_tasklet, (unsigned long) dev); - dev->chainmask = 0x202; - dev->global_wcid.idx = 255; - dev->global_wcid.hw_key_idx = -1; - dev->slottime = 9; - val = mt76_rr(dev, MT_WPDMA_GLO_CFG); val &= MT_WPDMA_GLO_CFG_DMA_BURST_SIZE | MT_WPDMA_GLO_CFG_BIG_ENDIAN | @@ -663,34 +450,6 @@ static void mt76x2_regd_notifier(struct wiphy *wiphy, mt76x2_dfs_set_domain(dev, request->dfs_region); } -#define CCK_RATE(_idx, _rate) { \ - .bitrate = _rate, \ - .flags = IEEE80211_RATE_SHORT_PREAMBLE, \ - .hw_value = (MT_PHY_TYPE_CCK << 8) | _idx, \ - .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (8 + _idx), \ -} - -#define OFDM_RATE(_idx, _rate) { \ - .bitrate = _rate, \ - .hw_value = (MT_PHY_TYPE_OFDM << 8) | _idx, \ - .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | _idx, \ -} - -static struct ieee80211_rate mt76x2_rates[] = { - CCK_RATE(0, 10), - CCK_RATE(1, 20), - CCK_RATE(2, 55), - CCK_RATE(3, 110), - OFDM_RATE(0, 60), - OFDM_RATE(1, 90), - OFDM_RATE(2, 120), - OFDM_RATE(3, 180), - OFDM_RATE(4, 240), - OFDM_RATE(5, 360), - OFDM_RATE(6, 480), - OFDM_RATE(7, 540), -}; - static const struct ieee80211_iface_limit if_limits[] = { { .max = 1, @@ -767,37 +526,6 @@ static void mt76x2_led_set_brightness(struct led_classdev *led_cdev, mt76x2_led_set_config(mt76, 0xff, 0); } -static void -mt76x2_init_txpower(struct mt76x2_dev *dev, - struct ieee80211_supported_band *sband) -{ - struct ieee80211_channel *chan; - struct mt76x2_tx_power_info txp; - struct mt76_rate_power t = {}; - int target_power; - int i; - - for (i = 0; i < sband->n_channels; i++) { - chan = &sband->channels[i]; - - mt76x2_get_power_info(dev, &txp, chan); - - target_power = max_t(int, (txp.chain[0].target_power + - txp.chain[0].delta), - (txp.chain[1].target_power + - txp.chain[1].delta)); - - mt76x2_get_rate_power(dev, &t, chan); - - chan->max_power = mt76x2_get_max_rate_power(&t) + - target_power; - chan->max_power /= 2; - - /* convert to combined output power on 2x2 devices */ - chan->max_power += 3; - } -} - int mt76x2_register_device(struct mt76x2_dev *dev) { struct ieee80211_hw *hw = mt76_hw(dev); @@ -812,20 +540,15 @@ int mt76x2_register_device(struct mt76x2_dev *dev) return -ENOMEM; kfifo_init(&dev->txstatus_fifo, status_fifo, fifo_size); + INIT_DELAYED_WORK(&dev->cal_work, mt76x2_phy_calibrate); + INIT_DELAYED_WORK(&dev->mac_work, mt76x2_mac_work); + + mt76x2_init_device(dev); ret = mt76x2_init_hardware(dev); if (ret) return ret; - hw->queues = 4; - hw->max_rates = 1; - hw->max_report_rates = 7; - hw->max_rate_tries = 1; - hw->extra_tx_headroom = 2; - - hw->sta_data_size = sizeof(struct mt76x2_sta); - hw->vif_data_size = sizeof(struct mt76x2_vif); - for (i = 0; i < ARRAY_SIZE(dev->macaddr_list); i++) { u8 *addr = dev->macaddr_list[i].addr; @@ -845,16 +568,15 @@ int mt76x2_register_device(struct mt76x2_dev *dev) wiphy->reg_notifier = mt76x2_regd_notifier; - wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS); - - ieee80211_hw_set(hw, SUPPORTS_HT_CCK_RATES); - ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); - - INIT_DELAYED_WORK(&dev->cal_work, mt76x2_phy_calibrate); - INIT_DELAYED_WORK(&dev->mac_work, mt76x2_mac_work); + wiphy->interface_modes = + BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_AP) | +#ifdef CONFIG_MAC80211_MESH + BIT(NL80211_IFTYPE_MESH_POINT) | +#endif + BIT(NL80211_IFTYPE_ADHOC); - dev->mt76.sband_2g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; - dev->mt76.sband_5g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS); mt76x2_dfs_init_detector(dev); @@ -862,9 +584,6 @@ int mt76x2_register_device(struct mt76x2_dev *dev) dev->mt76.led_cdev.brightness_set = mt76x2_led_set_brightness; dev->mt76.led_cdev.blink_set = mt76x2_led_set_blink; - /* init antenna configuration */ - dev->mt76.antenna_mask = 3; - ret = mt76_register_device(&dev->mt76, true, mt76x2_rates, ARRAY_SIZE(mt76x2_rates)); if (ret) |