diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/main.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/main.c | 1789 |
1 files changed, 1789 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c new file mode 100644 index 000000000..2ef141689 --- /dev/null +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -0,0 +1,1789 @@ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* Copyright(c) 2018-2019 Realtek Corporation + */ + +#include "main.h" +#include "regd.h" +#include "fw.h" +#include "ps.h" +#include "sec.h" +#include "mac.h" +#include "coex.h" +#include "phy.h" +#include "reg.h" +#include "efuse.h" +#include "tx.h" +#include "debug.h" +#include "bf.h" + +unsigned int rtw_fw_lps_deep_mode; +EXPORT_SYMBOL(rtw_fw_lps_deep_mode); +bool rtw_bf_support = true; +unsigned int rtw_debug_mask; +EXPORT_SYMBOL(rtw_debug_mask); + +module_param_named(lps_deep_mode, rtw_fw_lps_deep_mode, uint, 0644); +module_param_named(support_bf, rtw_bf_support, bool, 0644); +module_param_named(debug_mask, rtw_debug_mask, uint, 0644); + +MODULE_PARM_DESC(lps_deep_mode, "Deeper PS mode. If 0, deep PS is disabled"); +MODULE_PARM_DESC(support_bf, "Set Y to enable beamformee support"); +MODULE_PARM_DESC(debug_mask, "Debugging mask"); + +static struct ieee80211_channel rtw_channeltable_2g[] = { + {.center_freq = 2412, .hw_value = 1,}, + {.center_freq = 2417, .hw_value = 2,}, + {.center_freq = 2422, .hw_value = 3,}, + {.center_freq = 2427, .hw_value = 4,}, + {.center_freq = 2432, .hw_value = 5,}, + {.center_freq = 2437, .hw_value = 6,}, + {.center_freq = 2442, .hw_value = 7,}, + {.center_freq = 2447, .hw_value = 8,}, + {.center_freq = 2452, .hw_value = 9,}, + {.center_freq = 2457, .hw_value = 10,}, + {.center_freq = 2462, .hw_value = 11,}, + {.center_freq = 2467, .hw_value = 12,}, + {.center_freq = 2472, .hw_value = 13,}, + {.center_freq = 2484, .hw_value = 14,}, +}; + +static struct ieee80211_channel rtw_channeltable_5g[] = { + {.center_freq = 5180, .hw_value = 36,}, + {.center_freq = 5200, .hw_value = 40,}, + {.center_freq = 5220, .hw_value = 44,}, + {.center_freq = 5240, .hw_value = 48,}, + {.center_freq = 5260, .hw_value = 52,}, + {.center_freq = 5280, .hw_value = 56,}, + {.center_freq = 5300, .hw_value = 60,}, + {.center_freq = 5320, .hw_value = 64,}, + {.center_freq = 5500, .hw_value = 100,}, + {.center_freq = 5520, .hw_value = 104,}, + {.center_freq = 5540, .hw_value = 108,}, + {.center_freq = 5560, .hw_value = 112,}, + {.center_freq = 5580, .hw_value = 116,}, + {.center_freq = 5600, .hw_value = 120,}, + {.center_freq = 5620, .hw_value = 124,}, + {.center_freq = 5640, .hw_value = 128,}, + {.center_freq = 5660, .hw_value = 132,}, + {.center_freq = 5680, .hw_value = 136,}, + {.center_freq = 5700, .hw_value = 140,}, + {.center_freq = 5745, .hw_value = 149,}, + {.center_freq = 5765, .hw_value = 153,}, + {.center_freq = 5785, .hw_value = 157,}, + {.center_freq = 5805, .hw_value = 161,}, + {.center_freq = 5825, .hw_value = 165, + .flags = IEEE80211_CHAN_NO_HT40MINUS}, +}; + +static struct ieee80211_rate rtw_ratetable[] = { + {.bitrate = 10, .hw_value = 0x00,}, + {.bitrate = 20, .hw_value = 0x01,}, + {.bitrate = 55, .hw_value = 0x02,}, + {.bitrate = 110, .hw_value = 0x03,}, + {.bitrate = 60, .hw_value = 0x04,}, + {.bitrate = 90, .hw_value = 0x05,}, + {.bitrate = 120, .hw_value = 0x06,}, + {.bitrate = 180, .hw_value = 0x07,}, + {.bitrate = 240, .hw_value = 0x08,}, + {.bitrate = 360, .hw_value = 0x09,}, + {.bitrate = 480, .hw_value = 0x0a,}, + {.bitrate = 540, .hw_value = 0x0b,}, +}; + +u16 rtw_desc_to_bitrate(u8 desc_rate) +{ + struct ieee80211_rate rate; + + if (WARN(desc_rate >= ARRAY_SIZE(rtw_ratetable), "invalid desc rate\n")) + return 0; + + rate = rtw_ratetable[desc_rate]; + + return rate.bitrate; +} + +static struct ieee80211_supported_band rtw_band_2ghz = { + .band = NL80211_BAND_2GHZ, + + .channels = rtw_channeltable_2g, + .n_channels = ARRAY_SIZE(rtw_channeltable_2g), + + .bitrates = rtw_ratetable, + .n_bitrates = ARRAY_SIZE(rtw_ratetable), + + .ht_cap = {0}, + .vht_cap = {0}, +}; + +static struct ieee80211_supported_band rtw_band_5ghz = { + .band = NL80211_BAND_5GHZ, + + .channels = rtw_channeltable_5g, + .n_channels = ARRAY_SIZE(rtw_channeltable_5g), + + /* 5G has no CCK rates */ + .bitrates = rtw_ratetable + 4, + .n_bitrates = ARRAY_SIZE(rtw_ratetable) - 4, + + .ht_cap = {0}, + .vht_cap = {0}, +}; + +struct rtw_watch_dog_iter_data { + struct rtw_dev *rtwdev; + struct rtw_vif *rtwvif; +}; + +static void rtw_dynamic_csi_rate(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif) +{ + struct rtw_bf_info *bf_info = &rtwdev->bf_info; + u8 fix_rate_enable = 0; + u8 new_csi_rate_idx; + + if (rtwvif->bfee.role != RTW_BFEE_SU && + rtwvif->bfee.role != RTW_BFEE_MU) + return; + + rtw_chip_cfg_csi_rate(rtwdev, rtwdev->dm_info.min_rssi, + bf_info->cur_csi_rpt_rate, + fix_rate_enable, &new_csi_rate_idx); + + if (new_csi_rate_idx != bf_info->cur_csi_rpt_rate) + bf_info->cur_csi_rpt_rate = new_csi_rate_idx; +} + +static void rtw_vif_watch_dog_iter(void *data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct rtw_watch_dog_iter_data *iter_data = data; + struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; + + if (vif->type == NL80211_IFTYPE_STATION) + if (vif->bss_conf.assoc) + iter_data->rtwvif = rtwvif; + + rtw_dynamic_csi_rate(iter_data->rtwdev, rtwvif); + + rtwvif->stats.tx_unicast = 0; + rtwvif->stats.rx_unicast = 0; + rtwvif->stats.tx_cnt = 0; + rtwvif->stats.rx_cnt = 0; +} + +/* process TX/RX statistics periodically for hardware, + * the information helps hardware to enhance performance + */ +static void rtw_watch_dog_work(struct work_struct *work) +{ + struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, + watch_dog_work.work); + struct rtw_traffic_stats *stats = &rtwdev->stats; + struct rtw_watch_dog_iter_data data = {}; + bool busy_traffic = test_bit(RTW_FLAG_BUSY_TRAFFIC, rtwdev->flags); + bool ps_active; + + mutex_lock(&rtwdev->mutex); + + if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) + goto unlock; + + ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->watch_dog_work, + RTW_WATCH_DOG_DELAY_TIME); + + if (rtwdev->stats.tx_cnt > 100 || rtwdev->stats.rx_cnt > 100) + set_bit(RTW_FLAG_BUSY_TRAFFIC, rtwdev->flags); + else + clear_bit(RTW_FLAG_BUSY_TRAFFIC, rtwdev->flags); + + if (busy_traffic != test_bit(RTW_FLAG_BUSY_TRAFFIC, rtwdev->flags)) + rtw_coex_wl_status_change_notify(rtwdev); + + if (stats->tx_cnt > RTW_LPS_THRESHOLD || + stats->rx_cnt > RTW_LPS_THRESHOLD) + ps_active = true; + else + ps_active = false; + + ewma_tp_add(&stats->tx_ewma_tp, + (u32)(stats->tx_unicast >> RTW_TP_SHIFT)); + ewma_tp_add(&stats->rx_ewma_tp, + (u32)(stats->rx_unicast >> RTW_TP_SHIFT)); + stats->tx_throughput = ewma_tp_read(&stats->tx_ewma_tp); + stats->rx_throughput = ewma_tp_read(&stats->rx_ewma_tp); + + /* reset tx/rx statictics */ + stats->tx_unicast = 0; + stats->rx_unicast = 0; + stats->tx_cnt = 0; + stats->rx_cnt = 0; + + if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) + goto unlock; + + /* make sure BB/RF is working for dynamic mech */ + rtw_leave_lps(rtwdev); + + rtw_phy_dynamic_mechanism(rtwdev); + + data.rtwdev = rtwdev; + /* use atomic version to avoid taking local->iflist_mtx mutex */ + rtw_iterate_vifs_atomic(rtwdev, rtw_vif_watch_dog_iter, &data); + + /* fw supports only one station associated to enter lps, if there are + * more than two stations associated to the AP, then we can not enter + * lps, because fw does not handle the overlapped beacon interval + * + * mac80211 should iterate vifs and determine if driver can enter + * ps by passing IEEE80211_CONF_PS to us, all we need to do is to + * get that vif and check if device is having traffic more than the + * threshold. + */ + if (rtwdev->ps_enabled && data.rtwvif && !ps_active) + rtw_enter_lps(rtwdev, data.rtwvif->port); + + rtwdev->watch_dog_cnt++; + +unlock: + mutex_unlock(&rtwdev->mutex); +} + +static void rtw_c2h_work(struct work_struct *work) +{ + struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, c2h_work); + struct sk_buff *skb, *tmp; + + skb_queue_walk_safe(&rtwdev->c2h_queue, skb, tmp) { + skb_unlink(skb, &rtwdev->c2h_queue); + rtw_fw_c2h_cmd_handle(rtwdev, skb); + dev_kfree_skb_any(skb); + } +} + +static u8 rtw_acquire_macid(struct rtw_dev *rtwdev) +{ + unsigned long mac_id; + + mac_id = find_first_zero_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); + if (mac_id < RTW_MAX_MAC_ID_NUM) + set_bit(mac_id, rtwdev->mac_id_map); + + return mac_id; +} + +int rtw_sta_add(struct rtw_dev *rtwdev, struct ieee80211_sta *sta, + struct ieee80211_vif *vif) +{ + struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; + int i; + + si->mac_id = rtw_acquire_macid(rtwdev); + if (si->mac_id >= RTW_MAX_MAC_ID_NUM) + return -ENOSPC; + + si->sta = sta; + si->vif = vif; + si->init_ra_lv = 1; + ewma_rssi_init(&si->avg_rssi); + for (i = 0; i < ARRAY_SIZE(sta->txq); i++) + rtw_txq_init(rtwdev, sta->txq[i]); + + rtw_update_sta_info(rtwdev, si); + rtw_fw_media_status_report(rtwdev, si->mac_id, true); + + rtwdev->sta_cnt++; + rtw_info(rtwdev, "sta %pM joined with macid %d\n", + sta->addr, si->mac_id); + + return 0; +} + +void rtw_sta_remove(struct rtw_dev *rtwdev, struct ieee80211_sta *sta, + bool fw_exist) +{ + struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; + int i; + + rtw_release_macid(rtwdev, si->mac_id); + if (fw_exist) + rtw_fw_media_status_report(rtwdev, si->mac_id, false); + + for (i = 0; i < ARRAY_SIZE(sta->txq); i++) + rtw_txq_cleanup(rtwdev, sta->txq[i]); + + kfree(si->mask); + + rtwdev->sta_cnt--; + rtw_info(rtwdev, "sta %pM with macid %d left\n", + sta->addr, si->mac_id); +} + +static bool rtw_fw_dump_crash_log(struct rtw_dev *rtwdev) +{ + u32 size = rtwdev->chip->fw_rxff_size; + u32 *buf; + u8 seq; + bool ret = true; + + buf = vmalloc(size); + if (!buf) + goto exit; + + if (rtw_fw_dump_fifo(rtwdev, RTW_FW_FIFO_SEL_RXBUF_FW, 0, size, buf)) { + rtw_dbg(rtwdev, RTW_DBG_FW, "dump fw fifo fail\n"); + goto free_buf; + } + + if (GET_FW_DUMP_LEN(buf) == 0) { + rtw_dbg(rtwdev, RTW_DBG_FW, "fw crash dump's length is 0\n"); + goto free_buf; + } + + seq = GET_FW_DUMP_SEQ(buf); + if (seq > 0 && seq != (rtwdev->fw.prev_dump_seq + 1)) { + rtw_dbg(rtwdev, RTW_DBG_FW, + "fw crash dump's seq is wrong: %d\n", seq); + goto free_buf; + } + if (seq == 0 && + (GET_FW_DUMP_TLV_TYPE(buf) != FW_CD_TYPE || + GET_FW_DUMP_TLV_LEN(buf) != FW_CD_LEN || + GET_FW_DUMP_TLV_VAL(buf) != FW_CD_VAL)) { + rtw_dbg(rtwdev, RTW_DBG_FW, "fw crash dump's tlv is wrong\n"); + goto free_buf; + } + + print_hex_dump_bytes("rtw88 fw dump: ", DUMP_PREFIX_OFFSET, buf, size); + + if (GET_FW_DUMP_MORE(buf) == 1) { + rtwdev->fw.prev_dump_seq = seq; + ret = false; + } + +free_buf: + vfree(buf); +exit: + rtw_write8(rtwdev, REG_MCU_TST_CFG, 0); + + return ret; +} + +void rtw_vif_assoc_changed(struct rtw_vif *rtwvif, + struct ieee80211_bss_conf *conf) +{ + if (conf && conf->assoc) { + rtwvif->aid = conf->aid; + rtwvif->net_type = RTW_NET_MGD_LINKED; + } else { + rtwvif->aid = 0; + rtwvif->net_type = RTW_NET_NO_LINK; + } +} + +static void rtw_reset_key_iter(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key, + void *data) +{ + struct rtw_dev *rtwdev = (struct rtw_dev *)data; + struct rtw_sec_desc *sec = &rtwdev->sec; + + rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx); +} + +static void rtw_reset_sta_iter(void *data, struct ieee80211_sta *sta) +{ + struct rtw_dev *rtwdev = (struct rtw_dev *)data; + + if (rtwdev->sta_cnt == 0) { + rtw_warn(rtwdev, "sta count before reset should not be 0\n"); + return; + } + rtw_sta_remove(rtwdev, sta, false); +} + +static void rtw_reset_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif) +{ + struct rtw_dev *rtwdev = (struct rtw_dev *)data; + struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; + + rtw_bf_disassoc(rtwdev, vif, NULL); + rtw_vif_assoc_changed(rtwvif, NULL); + rtw_txq_cleanup(rtwdev, vif->txq); +} + +void rtw_fw_recovery(struct rtw_dev *rtwdev) +{ + if (!test_bit(RTW_FLAG_RESTARTING, rtwdev->flags)) + ieee80211_queue_work(rtwdev->hw, &rtwdev->fw_recovery_work); +} + +static void rtw_fw_recovery_work(struct work_struct *work) +{ + struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, + fw_recovery_work); + + /* rtw_fw_dump_crash_log() returns false indicates that there are + * still more log to dump. Driver set 0x1cf[7:0] = 0x1 to tell firmware + * to dump the remaining part of the log, and firmware will trigger an + * IMR_C2HCMD interrupt to inform driver the log is ready. + */ + if (!rtw_fw_dump_crash_log(rtwdev)) { + rtw_write8(rtwdev, REG_HRCV_MSG, 1); + return; + } + rtwdev->fw.prev_dump_seq = 0; + + WARN(1, "firmware crash, start reset and recover\n"); + + mutex_lock(&rtwdev->mutex); + + set_bit(RTW_FLAG_RESTARTING, rtwdev->flags); + rcu_read_lock(); + rtw_iterate_keys_rcu(rtwdev, NULL, rtw_reset_key_iter, rtwdev); + rcu_read_unlock(); + rtw_iterate_stas_atomic(rtwdev, rtw_reset_sta_iter, rtwdev); + rtw_iterate_vifs_atomic(rtwdev, rtw_reset_vif_iter, rtwdev); + rtw_enter_ips(rtwdev); + + mutex_unlock(&rtwdev->mutex); + + ieee80211_restart_hw(rtwdev->hw); +} + +struct rtw_txq_ba_iter_data { +}; + +static void rtw_txq_ba_iter(void *data, struct ieee80211_sta *sta) +{ + struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; + int ret; + u8 tid; + + tid = find_first_bit(si->tid_ba, IEEE80211_NUM_TIDS); + while (tid != IEEE80211_NUM_TIDS) { + clear_bit(tid, si->tid_ba); + ret = ieee80211_start_tx_ba_session(sta, tid, 0); + if (ret == -EINVAL) { + struct ieee80211_txq *txq; + struct rtw_txq *rtwtxq; + + txq = sta->txq[tid]; + rtwtxq = (struct rtw_txq *)txq->drv_priv; + set_bit(RTW_TXQ_BLOCK_BA, &rtwtxq->flags); + } + + tid = find_first_bit(si->tid_ba, IEEE80211_NUM_TIDS); + } +} + +static void rtw_txq_ba_work(struct work_struct *work) +{ + struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, ba_work); + struct rtw_txq_ba_iter_data data; + + rtw_iterate_stas_atomic(rtwdev, rtw_txq_ba_iter, &data); +} + +void rtw_get_channel_params(struct cfg80211_chan_def *chandef, + struct rtw_channel_params *chan_params) +{ + struct ieee80211_channel *channel = chandef->chan; + enum nl80211_chan_width width = chandef->width; + u8 *cch_by_bw = chan_params->cch_by_bw; + u32 primary_freq, center_freq; + u8 center_chan; + u8 bandwidth = RTW_CHANNEL_WIDTH_20; + u8 primary_chan_idx = 0; + u8 i; + + center_chan = channel->hw_value; + primary_freq = channel->center_freq; + center_freq = chandef->center_freq1; + + /* assign the center channel used while 20M bw is selected */ + cch_by_bw[RTW_CHANNEL_WIDTH_20] = channel->hw_value; + + switch (width) { + case NL80211_CHAN_WIDTH_20_NOHT: + case NL80211_CHAN_WIDTH_20: + bandwidth = RTW_CHANNEL_WIDTH_20; + primary_chan_idx = RTW_SC_DONT_CARE; + break; + case NL80211_CHAN_WIDTH_40: + bandwidth = RTW_CHANNEL_WIDTH_40; + if (primary_freq > center_freq) { + primary_chan_idx = RTW_SC_20_UPPER; + center_chan -= 2; + } else { + primary_chan_idx = RTW_SC_20_LOWER; + center_chan += 2; + } + break; + case NL80211_CHAN_WIDTH_80: + bandwidth = RTW_CHANNEL_WIDTH_80; + if (primary_freq > center_freq) { + if (primary_freq - center_freq == 10) { + primary_chan_idx = RTW_SC_20_UPPER; + center_chan -= 2; + } else { + primary_chan_idx = RTW_SC_20_UPMOST; + center_chan -= 6; + } + /* assign the center channel used + * while 40M bw is selected + */ + cch_by_bw[RTW_CHANNEL_WIDTH_40] = center_chan + 4; + } else { + if (center_freq - primary_freq == 10) { + primary_chan_idx = RTW_SC_20_LOWER; + center_chan += 2; + } else { + primary_chan_idx = RTW_SC_20_LOWEST; + center_chan += 6; + } + /* assign the center channel used + * while 40M bw is selected + */ + cch_by_bw[RTW_CHANNEL_WIDTH_40] = center_chan - 4; + } + break; + default: + center_chan = 0; + break; + } + + chan_params->center_chan = center_chan; + chan_params->bandwidth = bandwidth; + chan_params->primary_chan_idx = primary_chan_idx; + + /* assign the center channel used while current bw is selected */ + cch_by_bw[bandwidth] = center_chan; + + for (i = bandwidth + 1; i <= RTW_MAX_CHANNEL_WIDTH; i++) + cch_by_bw[i] = 0; +} + +void rtw_set_channel(struct rtw_dev *rtwdev) +{ + struct ieee80211_hw *hw = rtwdev->hw; + struct rtw_hal *hal = &rtwdev->hal; + struct rtw_chip_info *chip = rtwdev->chip; + struct rtw_channel_params ch_param; + u8 center_chan, bandwidth, primary_chan_idx; + u8 i; + + rtw_get_channel_params(&hw->conf.chandef, &ch_param); + if (WARN(ch_param.center_chan == 0, "Invalid channel\n")) + return; + + center_chan = ch_param.center_chan; + bandwidth = ch_param.bandwidth; + primary_chan_idx = ch_param.primary_chan_idx; + + hal->current_band_width = bandwidth; + hal->current_channel = center_chan; + hal->current_band_type = center_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; + + for (i = RTW_CHANNEL_WIDTH_20; i <= RTW_MAX_CHANNEL_WIDTH; i++) + hal->cch_by_bw[i] = ch_param.cch_by_bw[i]; + + chip->ops->set_channel(rtwdev, center_chan, bandwidth, primary_chan_idx); + + if (hal->current_band_type == RTW_BAND_5G) { + rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G); + } else { + if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) + rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_24G); + else + rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_24G_NOFORSCAN); + } + + rtw_phy_set_tx_power_level(rtwdev, center_chan); + + /* if the channel isn't set for scanning, we will do RF calibration + * in ieee80211_ops::mgd_prepare_tx(). Performing the calibration + * during scanning on each channel takes too long. + */ + if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) + rtwdev->need_rfk = true; +} + +void rtw_chip_prepare_tx(struct rtw_dev *rtwdev) +{ + struct rtw_chip_info *chip = rtwdev->chip; + + if (rtwdev->need_rfk) { + rtwdev->need_rfk = false; + chip->ops->phy_calibration(rtwdev); + } +} + +static void rtw_vif_write_addr(struct rtw_dev *rtwdev, u32 start, u8 *addr) +{ + int i; + + for (i = 0; i < ETH_ALEN; i++) + rtw_write8(rtwdev, start + i, addr[i]); +} + +void rtw_vif_port_config(struct rtw_dev *rtwdev, + struct rtw_vif *rtwvif, + u32 config) +{ + u32 addr, mask; + + if (config & PORT_SET_MAC_ADDR) { + addr = rtwvif->conf->mac_addr.addr; + rtw_vif_write_addr(rtwdev, addr, rtwvif->mac_addr); + } + if (config & PORT_SET_BSSID) { + addr = rtwvif->conf->bssid.addr; + rtw_vif_write_addr(rtwdev, addr, rtwvif->bssid); + } + if (config & PORT_SET_NET_TYPE) { + addr = rtwvif->conf->net_type.addr; + mask = rtwvif->conf->net_type.mask; + rtw_write32_mask(rtwdev, addr, mask, rtwvif->net_type); + } + if (config & PORT_SET_AID) { + addr = rtwvif->conf->aid.addr; + mask = rtwvif->conf->aid.mask; + rtw_write32_mask(rtwdev, addr, mask, rtwvif->aid); + } + if (config & PORT_SET_BCN_CTRL) { + addr = rtwvif->conf->bcn_ctrl.addr; + mask = rtwvif->conf->bcn_ctrl.mask; + rtw_write8_mask(rtwdev, addr, mask, rtwvif->bcn_ctrl); + } +} + +static u8 hw_bw_cap_to_bitamp(u8 bw_cap) +{ + u8 bw = 0; + + switch (bw_cap) { + case EFUSE_HW_CAP_IGNORE: + case EFUSE_HW_CAP_SUPP_BW80: + bw |= BIT(RTW_CHANNEL_WIDTH_80); + fallthrough; + case EFUSE_HW_CAP_SUPP_BW40: + bw |= BIT(RTW_CHANNEL_WIDTH_40); + fallthrough; + default: + bw |= BIT(RTW_CHANNEL_WIDTH_20); + break; + } + + return bw; +} + +static void rtw_hw_config_rf_ant_num(struct rtw_dev *rtwdev, u8 hw_ant_num) +{ + struct rtw_hal *hal = &rtwdev->hal; + struct rtw_chip_info *chip = rtwdev->chip; + + if (hw_ant_num == EFUSE_HW_CAP_IGNORE || + hw_ant_num >= hal->rf_path_num) + return; + + switch (hw_ant_num) { + case 1: + hal->rf_type = RF_1T1R; + hal->rf_path_num = 1; + if (!chip->fix_rf_phy_num) + hal->rf_phy_num = hal->rf_path_num; + hal->antenna_tx = BB_PATH_A; + hal->antenna_rx = BB_PATH_A; + break; + default: + WARN(1, "invalid hw configuration from efuse\n"); + break; + } +} + +static u64 get_vht_ra_mask(struct ieee80211_sta *sta) +{ + u64 ra_mask = 0; + u16 mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.rx_mcs_map); + u8 vht_mcs_cap; + int i, nss; + + /* 4SS, every two bits for MCS7/8/9 */ + for (i = 0, nss = 12; i < 4; i++, mcs_map >>= 2, nss += 10) { + vht_mcs_cap = mcs_map & 0x3; + switch (vht_mcs_cap) { + case 2: /* MCS9 */ + ra_mask |= 0x3ffULL << nss; + break; + case 1: /* MCS8 */ + ra_mask |= 0x1ffULL << nss; + break; + case 0: /* MCS7 */ + ra_mask |= 0x0ffULL << nss; + break; + default: + break; + } + } + + return ra_mask; +} + +static u8 get_rate_id(u8 wireless_set, enum rtw_bandwidth bw_mode, u8 tx_num) +{ + u8 rate_id = 0; + + switch (wireless_set) { + case WIRELESS_CCK: + rate_id = RTW_RATEID_B_20M; + break; + case WIRELESS_OFDM: + rate_id = RTW_RATEID_G; + break; + case WIRELESS_CCK | WIRELESS_OFDM: + rate_id = RTW_RATEID_BG; + break; + case WIRELESS_OFDM | WIRELESS_HT: + if (tx_num == 1) + rate_id = RTW_RATEID_GN_N1SS; + else if (tx_num == 2) + rate_id = RTW_RATEID_GN_N2SS; + else if (tx_num == 3) + rate_id = RTW_RATEID_ARFR5_N_3SS; + break; + case WIRELESS_CCK | WIRELESS_OFDM | WIRELESS_HT: + if (bw_mode == RTW_CHANNEL_WIDTH_40) { + if (tx_num == 1) + rate_id = RTW_RATEID_BGN_40M_1SS; + else if (tx_num == 2) + rate_id = RTW_RATEID_BGN_40M_2SS; + else if (tx_num == 3) + rate_id = RTW_RATEID_ARFR5_N_3SS; + else if (tx_num == 4) + rate_id = RTW_RATEID_ARFR7_N_4SS; + } else { + if (tx_num == 1) + rate_id = RTW_RATEID_BGN_20M_1SS; + else if (tx_num == 2) + rate_id = RTW_RATEID_BGN_20M_2SS; + else if (tx_num == 3) + rate_id = RTW_RATEID_ARFR5_N_3SS; + else if (tx_num == 4) + rate_id = RTW_RATEID_ARFR7_N_4SS; + } + break; + case WIRELESS_OFDM | WIRELESS_VHT: + if (tx_num == 1) + rate_id = RTW_RATEID_ARFR1_AC_1SS; + else if (tx_num == 2) + rate_id = RTW_RATEID_ARFR0_AC_2SS; + else if (tx_num == 3) + rate_id = RTW_RATEID_ARFR4_AC_3SS; + else if (tx_num == 4) + rate_id = RTW_RATEID_ARFR6_AC_4SS; + break; + case WIRELESS_CCK | WIRELESS_OFDM | WIRELESS_VHT: + if (bw_mode >= RTW_CHANNEL_WIDTH_80) { + if (tx_num == 1) + rate_id = RTW_RATEID_ARFR1_AC_1SS; + else if (tx_num == 2) + rate_id = RTW_RATEID_ARFR0_AC_2SS; + else if (tx_num == 3) + rate_id = RTW_RATEID_ARFR4_AC_3SS; + else if (tx_num == 4) + rate_id = RTW_RATEID_ARFR6_AC_4SS; + } else { + if (tx_num == 1) + rate_id = RTW_RATEID_ARFR2_AC_2G_1SS; + else if (tx_num == 2) + rate_id = RTW_RATEID_ARFR3_AC_2G_2SS; + else if (tx_num == 3) + rate_id = RTW_RATEID_ARFR4_AC_3SS; + else if (tx_num == 4) + rate_id = RTW_RATEID_ARFR6_AC_4SS; + } + break; + default: + break; + } + + return rate_id; +} + +#define RA_MASK_CCK_RATES 0x0000f +#define RA_MASK_OFDM_RATES 0x00ff0 +#define RA_MASK_HT_RATES_1SS (0xff000ULL << 0) +#define RA_MASK_HT_RATES_2SS (0xff000ULL << 8) +#define RA_MASK_HT_RATES_3SS (0xff000ULL << 16) +#define RA_MASK_HT_RATES (RA_MASK_HT_RATES_1SS | \ + RA_MASK_HT_RATES_2SS | \ + RA_MASK_HT_RATES_3SS) +#define RA_MASK_VHT_RATES_1SS (0x3ff000ULL << 0) +#define RA_MASK_VHT_RATES_2SS (0x3ff000ULL << 10) +#define RA_MASK_VHT_RATES_3SS (0x3ff000ULL << 20) +#define RA_MASK_VHT_RATES (RA_MASK_VHT_RATES_1SS | \ + RA_MASK_VHT_RATES_2SS | \ + RA_MASK_VHT_RATES_3SS) +#define RA_MASK_CCK_IN_HT 0x00005 +#define RA_MASK_CCK_IN_VHT 0x00005 +#define RA_MASK_OFDM_IN_VHT 0x00010 +#define RA_MASK_OFDM_IN_HT_2G 0x00010 +#define RA_MASK_OFDM_IN_HT_5G 0x00030 + +static u64 rtw_update_rate_mask(struct rtw_dev *rtwdev, + struct rtw_sta_info *si, + u64 ra_mask, bool is_vht_enable, + u8 wireless_set) +{ + struct rtw_hal *hal = &rtwdev->hal; + const struct cfg80211_bitrate_mask *mask = si->mask; + u64 cfg_mask = GENMASK_ULL(63, 0); + u8 rssi_level, band; + + if (wireless_set != WIRELESS_CCK) { + rssi_level = si->rssi_level; + if (rssi_level == 0) + ra_mask &= 0xffffffffffffffffULL; + else if (rssi_level == 1) + ra_mask &= 0xfffffffffffffff0ULL; + else if (rssi_level == 2) + ra_mask &= 0xffffffffffffefe0ULL; + else if (rssi_level == 3) + ra_mask &= 0xffffffffffffcfc0ULL; + else if (rssi_level == 4) + ra_mask &= 0xffffffffffff8f80ULL; + else if (rssi_level >= 5) + ra_mask &= 0xffffffffffff0f00ULL; + } + + if (!si->use_cfg_mask) + return ra_mask; + + band = hal->current_band_type; + if (band == RTW_BAND_2G) { + band = NL80211_BAND_2GHZ; + cfg_mask = mask->control[band].legacy; + } else if (band == RTW_BAND_5G) { + band = NL80211_BAND_5GHZ; + cfg_mask = u64_encode_bits(mask->control[band].legacy, + RA_MASK_OFDM_RATES); + } + + if (!is_vht_enable) { + if (ra_mask & RA_MASK_HT_RATES_1SS) + cfg_mask |= u64_encode_bits(mask->control[band].ht_mcs[0], + RA_MASK_HT_RATES_1SS); + if (ra_mask & RA_MASK_HT_RATES_2SS) + cfg_mask |= u64_encode_bits(mask->control[band].ht_mcs[1], + RA_MASK_HT_RATES_2SS); + } else { + if (ra_mask & RA_MASK_VHT_RATES_1SS) + cfg_mask |= u64_encode_bits(mask->control[band].vht_mcs[0], + RA_MASK_VHT_RATES_1SS); + if (ra_mask & RA_MASK_VHT_RATES_2SS) + cfg_mask |= u64_encode_bits(mask->control[band].vht_mcs[1], + RA_MASK_VHT_RATES_2SS); + } + + ra_mask &= cfg_mask; + + return ra_mask; +} + +void rtw_update_sta_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) +{ + struct ieee80211_sta *sta = si->sta; + struct rtw_efuse *efuse = &rtwdev->efuse; + struct rtw_hal *hal = &rtwdev->hal; + u8 wireless_set; + u8 bw_mode; + u8 rate_id; + u8 rf_type = RF_1T1R; + u8 stbc_en = 0; + u8 ldpc_en = 0; + u8 tx_num = 1; + u64 ra_mask = 0; + bool is_vht_enable = false; + bool is_support_sgi = false; + + if (sta->vht_cap.vht_supported) { + is_vht_enable = true; + ra_mask |= get_vht_ra_mask(sta); + if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXSTBC_MASK) + stbc_en = VHT_STBC_EN; + if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC) + ldpc_en = VHT_LDPC_EN; + } else if (sta->ht_cap.ht_supported) { + ra_mask |= (sta->ht_cap.mcs.rx_mask[1] << 20) | + (sta->ht_cap.mcs.rx_mask[0] << 12); + if (sta->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC) + stbc_en = HT_STBC_EN; + if (sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING) + ldpc_en = HT_LDPC_EN; + } + + if (efuse->hw_cap.nss == 1) + ra_mask &= RA_MASK_VHT_RATES_1SS | RA_MASK_HT_RATES_1SS; + + if (hal->current_band_type == RTW_BAND_5G) { + ra_mask |= (u64)sta->supp_rates[NL80211_BAND_5GHZ] << 4; + if (sta->vht_cap.vht_supported) { + ra_mask &= RA_MASK_VHT_RATES | RA_MASK_OFDM_IN_VHT; + wireless_set = WIRELESS_OFDM | WIRELESS_VHT; + } else if (sta->ht_cap.ht_supported) { + ra_mask &= RA_MASK_HT_RATES | RA_MASK_OFDM_IN_HT_5G; + wireless_set = WIRELESS_OFDM | WIRELESS_HT; + } else { + wireless_set = WIRELESS_OFDM; + } + } else if (hal->current_band_type == RTW_BAND_2G) { + ra_mask |= sta->supp_rates[NL80211_BAND_2GHZ]; + if (sta->vht_cap.vht_supported) { + ra_mask &= RA_MASK_VHT_RATES | RA_MASK_CCK_IN_VHT | + RA_MASK_OFDM_IN_VHT; + wireless_set = WIRELESS_CCK | WIRELESS_OFDM | + WIRELESS_HT | WIRELESS_VHT; + } else if (sta->ht_cap.ht_supported) { + ra_mask &= RA_MASK_HT_RATES | RA_MASK_CCK_IN_HT | + RA_MASK_OFDM_IN_HT_2G; + wireless_set = WIRELESS_CCK | WIRELESS_OFDM | + WIRELESS_HT; + } else if (sta->supp_rates[0] <= 0xf) { + wireless_set = WIRELESS_CCK; + } else { + wireless_set = WIRELESS_CCK | WIRELESS_OFDM; + } + } else { + rtw_err(rtwdev, "Unknown band type\n"); + wireless_set = 0; + } + + switch (sta->bandwidth) { + case IEEE80211_STA_RX_BW_80: + bw_mode = RTW_CHANNEL_WIDTH_80; + is_support_sgi = sta->vht_cap.vht_supported && + (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80); + break; + case IEEE80211_STA_RX_BW_40: + bw_mode = RTW_CHANNEL_WIDTH_40; + is_support_sgi = sta->ht_cap.ht_supported && + (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40); + break; + default: + bw_mode = RTW_CHANNEL_WIDTH_20; + is_support_sgi = sta->ht_cap.ht_supported && + (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20); + break; + } + + if (sta->vht_cap.vht_supported && ra_mask & 0xffc00000) { + tx_num = 2; + rf_type = RF_2T2R; + } else if (sta->ht_cap.ht_supported && ra_mask & 0xfff00000) { + tx_num = 2; + rf_type = RF_2T2R; + } + + rate_id = get_rate_id(wireless_set, bw_mode, tx_num); + + ra_mask = rtw_update_rate_mask(rtwdev, si, ra_mask, is_vht_enable, + wireless_set); + + si->bw_mode = bw_mode; + si->stbc_en = stbc_en; + si->ldpc_en = ldpc_en; + si->rf_type = rf_type; + si->wireless_set = wireless_set; + si->sgi_enable = is_support_sgi; + si->vht_enable = is_vht_enable; + si->ra_mask = ra_mask; + si->rate_id = rate_id; + + rtw_fw_send_ra_info(rtwdev, si); +} + +static int rtw_wait_firmware_completion(struct rtw_dev *rtwdev) +{ + struct rtw_chip_info *chip = rtwdev->chip; + struct rtw_fw_state *fw; + + fw = &rtwdev->fw; + wait_for_completion(&fw->completion); + if (!fw->firmware) + return -EINVAL; + + if (chip->wow_fw_name) { + fw = &rtwdev->wow_fw; + wait_for_completion(&fw->completion); + if (!fw->firmware) + return -EINVAL; + } + + return 0; +} + +static int rtw_power_on(struct rtw_dev *rtwdev) +{ + struct rtw_chip_info *chip = rtwdev->chip; + struct rtw_fw_state *fw = &rtwdev->fw; + bool wifi_only; + int ret; + + ret = rtw_hci_setup(rtwdev); + if (ret) { + rtw_err(rtwdev, "failed to setup hci\n"); + goto err; + } + + /* power on MAC before firmware downloaded */ + ret = rtw_mac_power_on(rtwdev); + if (ret) { + rtw_err(rtwdev, "failed to power on mac\n"); + goto err; + } + + ret = rtw_wait_firmware_completion(rtwdev); + if (ret) { + rtw_err(rtwdev, "failed to wait firmware completion\n"); + goto err_off; + } + + ret = rtw_download_firmware(rtwdev, fw); + if (ret) { + rtw_err(rtwdev, "failed to download firmware\n"); + goto err_off; + } + + /* config mac after firmware downloaded */ + ret = rtw_mac_init(rtwdev); + if (ret) { + rtw_err(rtwdev, "failed to configure mac\n"); + goto err_off; + } + + chip->ops->phy_set_param(rtwdev); + + ret = rtw_hci_start(rtwdev); + if (ret) { + rtw_err(rtwdev, "failed to start hci\n"); + goto err_off; + } + + /* send H2C after HCI has started */ + rtw_fw_send_general_info(rtwdev); + rtw_fw_send_phydm_info(rtwdev); + + wifi_only = !rtwdev->efuse.btcoex; + rtw_coex_power_on_setting(rtwdev); + rtw_coex_init_hw_config(rtwdev, wifi_only); + + return 0; + +err_off: + rtw_mac_power_off(rtwdev); + +err: + return ret; +} + +int rtw_core_start(struct rtw_dev *rtwdev) +{ + int ret; + + ret = rtw_power_on(rtwdev); + if (ret) + return ret; + + rtw_sec_enable_sec_engine(rtwdev); + + /* rcr reset after powered on */ + rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); + + ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->watch_dog_work, + RTW_WATCH_DOG_DELAY_TIME); + + set_bit(RTW_FLAG_RUNNING, rtwdev->flags); + + return 0; +} + +static void rtw_power_off(struct rtw_dev *rtwdev) +{ + rtw_hci_stop(rtwdev); + rtw_mac_power_off(rtwdev); +} + +void rtw_core_stop(struct rtw_dev *rtwdev) +{ + struct rtw_coex *coex = &rtwdev->coex; + + clear_bit(RTW_FLAG_RUNNING, rtwdev->flags); + clear_bit(RTW_FLAG_FW_RUNNING, rtwdev->flags); + + mutex_unlock(&rtwdev->mutex); + + cancel_work_sync(&rtwdev->c2h_work); + cancel_delayed_work_sync(&rtwdev->watch_dog_work); + cancel_delayed_work_sync(&coex->bt_relink_work); + cancel_delayed_work_sync(&coex->bt_reenable_work); + cancel_delayed_work_sync(&coex->defreeze_work); + cancel_delayed_work_sync(&coex->wl_remain_work); + cancel_delayed_work_sync(&coex->bt_remain_work); + + mutex_lock(&rtwdev->mutex); + + rtw_power_off(rtwdev); +} + +static void rtw_init_ht_cap(struct rtw_dev *rtwdev, + struct ieee80211_sta_ht_cap *ht_cap) +{ + struct rtw_efuse *efuse = &rtwdev->efuse; + + ht_cap->ht_supported = true; + ht_cap->cap = 0; + ht_cap->cap |= IEEE80211_HT_CAP_SGI_20 | + IEEE80211_HT_CAP_MAX_AMSDU | + (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT); + + if (rtw_chip_has_rx_ldpc(rtwdev)) + ht_cap->cap |= IEEE80211_HT_CAP_LDPC_CODING; + + if (efuse->hw_cap.bw & BIT(RTW_CHANNEL_WIDTH_40)) + ht_cap->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40 | + IEEE80211_HT_CAP_DSSSCCK40 | + IEEE80211_HT_CAP_SGI_40; + ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; + ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; + ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; + if (efuse->hw_cap.nss > 1) { + ht_cap->mcs.rx_mask[0] = 0xFF; + ht_cap->mcs.rx_mask[1] = 0xFF; + ht_cap->mcs.rx_mask[4] = 0x01; + ht_cap->mcs.rx_highest = cpu_to_le16(300); + } else { + ht_cap->mcs.rx_mask[0] = 0xFF; + ht_cap->mcs.rx_mask[1] = 0x00; + ht_cap->mcs.rx_mask[4] = 0x01; + ht_cap->mcs.rx_highest = cpu_to_le16(150); + } +} + +static void rtw_init_vht_cap(struct rtw_dev *rtwdev, + struct ieee80211_sta_vht_cap *vht_cap) +{ + struct rtw_efuse *efuse = &rtwdev->efuse; + u16 mcs_map; + __le16 highest; + + if (efuse->hw_cap.ptcl != EFUSE_HW_CAP_IGNORE && + efuse->hw_cap.ptcl != EFUSE_HW_CAP_PTCL_VHT) + return; + + vht_cap->vht_supported = true; + vht_cap->cap = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | + IEEE80211_VHT_CAP_SHORT_GI_80 | + IEEE80211_VHT_CAP_RXSTBC_1 | + IEEE80211_VHT_CAP_HTC_VHT | + IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | + 0; + if (rtwdev->hal.rf_path_num > 1) + vht_cap->cap |= IEEE80211_VHT_CAP_TXSTBC; + vht_cap->cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | + IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE; + vht_cap->cap |= (rtwdev->hal.bfee_sts_cap << + IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); + + if (rtw_chip_has_rx_ldpc(rtwdev)) + vht_cap->cap |= IEEE80211_VHT_CAP_RXLDPC; + + mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | + IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 | + IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | + IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 | + IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 | + IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | + IEEE80211_VHT_MCS_NOT_SUPPORTED << 14; + if (efuse->hw_cap.nss > 1) { + highest = cpu_to_le16(780); + mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << 2; + } else { + highest = cpu_to_le16(390); + mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << 2; + } + + vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); + vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); + vht_cap->vht_mcs.rx_highest = highest; + vht_cap->vht_mcs.tx_highest = highest; +} + +static void rtw_set_supported_band(struct ieee80211_hw *hw, + struct rtw_chip_info *chip) +{ + struct rtw_dev *rtwdev = hw->priv; + struct ieee80211_supported_band *sband; + + if (chip->band & RTW_BAND_2G) { + sband = kmemdup(&rtw_band_2ghz, sizeof(*sband), GFP_KERNEL); + if (!sband) + goto err_out; + if (chip->ht_supported) + rtw_init_ht_cap(rtwdev, &sband->ht_cap); + hw->wiphy->bands[NL80211_BAND_2GHZ] = sband; + } + + if (chip->band & RTW_BAND_5G) { + sband = kmemdup(&rtw_band_5ghz, sizeof(*sband), GFP_KERNEL); + if (!sband) + goto err_out; + if (chip->ht_supported) + rtw_init_ht_cap(rtwdev, &sband->ht_cap); + if (chip->vht_supported) + rtw_init_vht_cap(rtwdev, &sband->vht_cap); + hw->wiphy->bands[NL80211_BAND_5GHZ] = sband; + } + + return; + +err_out: + rtw_err(rtwdev, "failed to set supported band\n"); + kfree(sband); +} + +static void rtw_unset_supported_band(struct ieee80211_hw *hw, + struct rtw_chip_info *chip) +{ + kfree(hw->wiphy->bands[NL80211_BAND_2GHZ]); + kfree(hw->wiphy->bands[NL80211_BAND_5GHZ]); +} + +static void __update_firmware_info(struct rtw_dev *rtwdev, + struct rtw_fw_state *fw) +{ + const struct rtw_fw_hdr *fw_hdr = + (const struct rtw_fw_hdr *)fw->firmware->data; + + fw->h2c_version = le16_to_cpu(fw_hdr->h2c_fmt_ver); + fw->version = le16_to_cpu(fw_hdr->version); + fw->sub_version = fw_hdr->subversion; + fw->sub_index = fw_hdr->subindex; +} + +static void __update_firmware_info_legacy(struct rtw_dev *rtwdev, + struct rtw_fw_state *fw) +{ + struct rtw_fw_hdr_legacy *legacy = + (struct rtw_fw_hdr_legacy *)fw->firmware->data; + + fw->h2c_version = 0; + fw->version = le16_to_cpu(legacy->version); + fw->sub_version = legacy->subversion1; + fw->sub_index = legacy->subversion2; +} + +static void update_firmware_info(struct rtw_dev *rtwdev, + struct rtw_fw_state *fw) +{ + if (rtw_chip_wcpu_11n(rtwdev)) + __update_firmware_info_legacy(rtwdev, fw); + else + __update_firmware_info(rtwdev, fw); +} + +static void rtw_load_firmware_cb(const struct firmware *firmware, void *context) +{ + struct rtw_fw_state *fw = context; + struct rtw_dev *rtwdev = fw->rtwdev; + + if (!firmware || !firmware->data) { + rtw_err(rtwdev, "failed to request firmware\n"); + complete_all(&fw->completion); + return; + } + + fw->firmware = firmware; + update_firmware_info(rtwdev, fw); + complete_all(&fw->completion); + + rtw_info(rtwdev, "Firmware version %u.%u.%u, H2C version %u\n", + fw->version, fw->sub_version, fw->sub_index, fw->h2c_version); +} + +static int rtw_load_firmware(struct rtw_dev *rtwdev, enum rtw_fw_type type) +{ + const char *fw_name; + struct rtw_fw_state *fw; + int ret; + + switch (type) { + case RTW_WOWLAN_FW: + fw = &rtwdev->wow_fw; + fw_name = rtwdev->chip->wow_fw_name; + break; + + case RTW_NORMAL_FW: + fw = &rtwdev->fw; + fw_name = rtwdev->chip->fw_name; + break; + + default: + rtw_warn(rtwdev, "unsupported firmware type\n"); + return -ENOENT; + } + + fw->rtwdev = rtwdev; + init_completion(&fw->completion); + + ret = request_firmware_nowait(THIS_MODULE, true, fw_name, rtwdev->dev, + GFP_KERNEL, fw, rtw_load_firmware_cb); + if (ret) { + rtw_err(rtwdev, "failed to async firmware request\n"); + return ret; + } + + return 0; +} + +static int rtw_chip_parameter_setup(struct rtw_dev *rtwdev) +{ + struct rtw_chip_info *chip = rtwdev->chip; + struct rtw_hal *hal = &rtwdev->hal; + struct rtw_efuse *efuse = &rtwdev->efuse; + int ret = 0; + + switch (rtw_hci_type(rtwdev)) { + case RTW_HCI_TYPE_PCIE: + rtwdev->hci.rpwm_addr = 0x03d9; + rtwdev->hci.cpwm_addr = 0x03da; + break; + default: + rtw_err(rtwdev, "unsupported hci type\n"); + return -EINVAL; + } + + hal->chip_version = rtw_read32(rtwdev, REG_SYS_CFG1); + hal->cut_version = BIT_GET_CHIP_VER(hal->chip_version); + hal->mp_chip = (hal->chip_version & BIT_RTL_ID) ? 0 : 1; + if (hal->chip_version & BIT_RF_TYPE_ID) { + hal->rf_type = RF_2T2R; + hal->rf_path_num = 2; + hal->antenna_tx = BB_PATH_AB; + hal->antenna_rx = BB_PATH_AB; + } else { + hal->rf_type = RF_1T1R; + hal->rf_path_num = 1; + hal->antenna_tx = BB_PATH_A; + hal->antenna_rx = BB_PATH_A; + } + hal->rf_phy_num = chip->fix_rf_phy_num ? chip->fix_rf_phy_num : + hal->rf_path_num; + + efuse->physical_size = chip->phy_efuse_size; + efuse->logical_size = chip->log_efuse_size; + efuse->protect_size = chip->ptct_efuse_size; + + /* default use ack */ + rtwdev->hal.rcr |= BIT_VHT_DACK; + + hal->bfee_sts_cap = 3; + + return ret; +} + +static int rtw_chip_efuse_enable(struct rtw_dev *rtwdev) +{ + struct rtw_fw_state *fw = &rtwdev->fw; + int ret; + + ret = rtw_hci_setup(rtwdev); + if (ret) { + rtw_err(rtwdev, "failed to setup hci\n"); + goto err; + } + + ret = rtw_mac_power_on(rtwdev); + if (ret) { + rtw_err(rtwdev, "failed to power on mac\n"); + goto err; + } + + rtw_write8(rtwdev, REG_C2HEVT, C2H_HW_FEATURE_DUMP); + + wait_for_completion(&fw->completion); + if (!fw->firmware) { + ret = -EINVAL; + rtw_err(rtwdev, "failed to load firmware\n"); + goto err; + } + + ret = rtw_download_firmware(rtwdev, fw); + if (ret) { + rtw_err(rtwdev, "failed to download firmware\n"); + goto err_off; + } + + return 0; + +err_off: + rtw_mac_power_off(rtwdev); + +err: + return ret; +} + +static int rtw_dump_hw_feature(struct rtw_dev *rtwdev) +{ + struct rtw_efuse *efuse = &rtwdev->efuse; + u8 hw_feature[HW_FEATURE_LEN]; + u8 id; + u8 bw; + int i; + + id = rtw_read8(rtwdev, REG_C2HEVT); + if (id != C2H_HW_FEATURE_REPORT) { + rtw_err(rtwdev, "failed to read hw feature report\n"); + return -EBUSY; + } + + for (i = 0; i < HW_FEATURE_LEN; i++) + hw_feature[i] = rtw_read8(rtwdev, REG_C2HEVT + 2 + i); + + rtw_write8(rtwdev, REG_C2HEVT, 0); + + bw = GET_EFUSE_HW_CAP_BW(hw_feature); + efuse->hw_cap.bw = hw_bw_cap_to_bitamp(bw); + efuse->hw_cap.hci = GET_EFUSE_HW_CAP_HCI(hw_feature); + efuse->hw_cap.nss = GET_EFUSE_HW_CAP_NSS(hw_feature); + efuse->hw_cap.ptcl = GET_EFUSE_HW_CAP_PTCL(hw_feature); + efuse->hw_cap.ant_num = GET_EFUSE_HW_CAP_ANT_NUM(hw_feature); + + rtw_hw_config_rf_ant_num(rtwdev, efuse->hw_cap.ant_num); + + if (efuse->hw_cap.nss == EFUSE_HW_CAP_IGNORE || + efuse->hw_cap.nss > rtwdev->hal.rf_path_num) + efuse->hw_cap.nss = rtwdev->hal.rf_path_num; + + rtw_dbg(rtwdev, RTW_DBG_EFUSE, + "hw cap: hci=0x%02x, bw=0x%02x, ptcl=0x%02x, ant_num=%d, nss=%d\n", + efuse->hw_cap.hci, efuse->hw_cap.bw, efuse->hw_cap.ptcl, + efuse->hw_cap.ant_num, efuse->hw_cap.nss); + + return 0; +} + +static void rtw_chip_efuse_disable(struct rtw_dev *rtwdev) +{ + rtw_hci_stop(rtwdev); + rtw_mac_power_off(rtwdev); +} + +static int rtw_chip_efuse_info_setup(struct rtw_dev *rtwdev) +{ + struct rtw_efuse *efuse = &rtwdev->efuse; + int ret; + + mutex_lock(&rtwdev->mutex); + + /* power on mac to read efuse */ + ret = rtw_chip_efuse_enable(rtwdev); + if (ret) + goto out_unlock; + + ret = rtw_parse_efuse_map(rtwdev); + if (ret) + goto out_disable; + + ret = rtw_dump_hw_feature(rtwdev); + if (ret) + goto out_disable; + + ret = rtw_check_supported_rfe(rtwdev); + if (ret) + goto out_disable; + + if (efuse->crystal_cap == 0xff) + efuse->crystal_cap = 0; + if (efuse->pa_type_2g == 0xff) + efuse->pa_type_2g = 0; + if (efuse->pa_type_5g == 0xff) + efuse->pa_type_5g = 0; + if (efuse->lna_type_2g == 0xff) + efuse->lna_type_2g = 0; + if (efuse->lna_type_5g == 0xff) + efuse->lna_type_5g = 0; + if (efuse->channel_plan == 0xff) + efuse->channel_plan = 0x7f; + if (efuse->rf_board_option == 0xff) + efuse->rf_board_option = 0; + if (efuse->bt_setting & BIT(0)) + efuse->share_ant = true; + if (efuse->regd == 0xff) + efuse->regd = 0; + if (efuse->tx_bb_swing_setting_2g == 0xff) + efuse->tx_bb_swing_setting_2g = 0; + if (efuse->tx_bb_swing_setting_5g == 0xff) + efuse->tx_bb_swing_setting_5g = 0; + + efuse->btcoex = (efuse->rf_board_option & 0xe0) == 0x20; + efuse->ext_pa_2g = efuse->pa_type_2g & BIT(4) ? 1 : 0; + efuse->ext_lna_2g = efuse->lna_type_2g & BIT(3) ? 1 : 0; + efuse->ext_pa_5g = efuse->pa_type_5g & BIT(0) ? 1 : 0; + efuse->ext_lna_2g = efuse->lna_type_5g & BIT(3) ? 1 : 0; + +out_disable: + rtw_chip_efuse_disable(rtwdev); + +out_unlock: + mutex_unlock(&rtwdev->mutex); + return ret; +} + +static int rtw_chip_board_info_setup(struct rtw_dev *rtwdev) +{ + struct rtw_hal *hal = &rtwdev->hal; + const struct rtw_rfe_def *rfe_def = rtw_get_rfe_def(rtwdev); + + if (!rfe_def) + return -ENODEV; + + rtw_phy_setup_phy_cond(rtwdev, 0); + + rtw_phy_init_tx_power(rtwdev); + rtw_load_table(rtwdev, rfe_def->phy_pg_tbl); + rtw_load_table(rtwdev, rfe_def->txpwr_lmt_tbl); + rtw_phy_tx_power_by_rate_config(hal); + rtw_phy_tx_power_limit_config(hal); + + return 0; +} + +int rtw_chip_info_setup(struct rtw_dev *rtwdev) +{ + int ret; + + ret = rtw_chip_parameter_setup(rtwdev); + if (ret) { + rtw_err(rtwdev, "failed to setup chip parameters\n"); + goto err_out; + } + + ret = rtw_chip_efuse_info_setup(rtwdev); + if (ret) { + rtw_err(rtwdev, "failed to setup chip efuse info\n"); + goto err_out; + } + + ret = rtw_chip_board_info_setup(rtwdev); + if (ret) { + rtw_err(rtwdev, "failed to setup chip board info\n"); + goto err_out; + } + + return 0; + +err_out: + return ret; +} +EXPORT_SYMBOL(rtw_chip_info_setup); + +static void rtw_stats_init(struct rtw_dev *rtwdev) +{ + struct rtw_traffic_stats *stats = &rtwdev->stats; + struct rtw_dm_info *dm_info = &rtwdev->dm_info; + int i; + + ewma_tp_init(&stats->tx_ewma_tp); + ewma_tp_init(&stats->rx_ewma_tp); + + for (i = 0; i < RTW_EVM_NUM; i++) + ewma_evm_init(&dm_info->ewma_evm[i]); + for (i = 0; i < RTW_SNR_NUM; i++) + ewma_snr_init(&dm_info->ewma_snr[i]); +} + +int rtw_core_init(struct rtw_dev *rtwdev) +{ + struct rtw_chip_info *chip = rtwdev->chip; + struct rtw_coex *coex = &rtwdev->coex; + int ret; + + INIT_LIST_HEAD(&rtwdev->rsvd_page_list); + INIT_LIST_HEAD(&rtwdev->txqs); + + timer_setup(&rtwdev->tx_report.purge_timer, + rtw_tx_report_purge_timer, 0); + tasklet_setup(&rtwdev->tx_tasklet, rtw_tx_tasklet); + + INIT_DELAYED_WORK(&rtwdev->watch_dog_work, rtw_watch_dog_work); + INIT_DELAYED_WORK(&coex->bt_relink_work, rtw_coex_bt_relink_work); + INIT_DELAYED_WORK(&coex->bt_reenable_work, rtw_coex_bt_reenable_work); + INIT_DELAYED_WORK(&coex->defreeze_work, rtw_coex_defreeze_work); + INIT_DELAYED_WORK(&coex->wl_remain_work, rtw_coex_wl_remain_work); + INIT_DELAYED_WORK(&coex->bt_remain_work, rtw_coex_bt_remain_work); + INIT_WORK(&rtwdev->c2h_work, rtw_c2h_work); + INIT_WORK(&rtwdev->fw_recovery_work, rtw_fw_recovery_work); + INIT_WORK(&rtwdev->ba_work, rtw_txq_ba_work); + skb_queue_head_init(&rtwdev->c2h_queue); + skb_queue_head_init(&rtwdev->coex.queue); + skb_queue_head_init(&rtwdev->tx_report.queue); + + spin_lock_init(&rtwdev->rf_lock); + spin_lock_init(&rtwdev->h2c.lock); + spin_lock_init(&rtwdev->txq_lock); + spin_lock_init(&rtwdev->tx_report.q_lock); + + mutex_init(&rtwdev->mutex); + mutex_init(&rtwdev->coex.mutex); + mutex_init(&rtwdev->hal.tx_power_mutex); + + init_waitqueue_head(&rtwdev->coex.wait); + + rtwdev->sec.total_cam_num = 32; + rtwdev->hal.current_channel = 1; + set_bit(RTW_BC_MC_MACID, rtwdev->mac_id_map); + if (!(BIT(rtw_fw_lps_deep_mode) & chip->lps_deep_mode_supported)) + rtwdev->lps_conf.deep_mode = LPS_DEEP_MODE_NONE; + else + rtwdev->lps_conf.deep_mode = rtw_fw_lps_deep_mode; + + rtw_stats_init(rtwdev); + + /* default rx filter setting */ + rtwdev->hal.rcr = BIT_APP_FCS | BIT_APP_MIC | BIT_APP_ICV | + BIT_PKTCTL_DLEN | BIT_HTC_LOC_CTRL | BIT_APP_PHYSTS | + BIT_AB | BIT_AM | BIT_APM; + + ret = rtw_load_firmware(rtwdev, RTW_NORMAL_FW); + if (ret) { + rtw_warn(rtwdev, "no firmware loaded\n"); + return ret; + } + + if (chip->wow_fw_name) { + ret = rtw_load_firmware(rtwdev, RTW_WOWLAN_FW); + if (ret) { + rtw_warn(rtwdev, "no wow firmware loaded\n"); + wait_for_completion(&rtwdev->fw.completion); + if (rtwdev->fw.firmware) + release_firmware(rtwdev->fw.firmware); + return ret; + } + } + return 0; +} +EXPORT_SYMBOL(rtw_core_init); + +void rtw_core_deinit(struct rtw_dev *rtwdev) +{ + struct rtw_fw_state *fw = &rtwdev->fw; + struct rtw_fw_state *wow_fw = &rtwdev->wow_fw; + struct rtw_rsvd_page *rsvd_pkt, *tmp; + unsigned long flags; + + rtw_wait_firmware_completion(rtwdev); + + if (fw->firmware) + release_firmware(fw->firmware); + + if (wow_fw->firmware) + release_firmware(wow_fw->firmware); + + tasklet_kill(&rtwdev->tx_tasklet); + spin_lock_irqsave(&rtwdev->tx_report.q_lock, flags); + skb_queue_purge(&rtwdev->tx_report.queue); + spin_unlock_irqrestore(&rtwdev->tx_report.q_lock, flags); + + list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, + build_list) { + list_del(&rsvd_pkt->build_list); + kfree(rsvd_pkt); + } + + mutex_destroy(&rtwdev->mutex); + mutex_destroy(&rtwdev->coex.mutex); + mutex_destroy(&rtwdev->hal.tx_power_mutex); +} +EXPORT_SYMBOL(rtw_core_deinit); + +int rtw_register_hw(struct rtw_dev *rtwdev, struct ieee80211_hw *hw) +{ + struct rtw_hal *hal = &rtwdev->hal; + int max_tx_headroom = 0; + int ret; + + /* TODO: USB & SDIO may need extra room? */ + max_tx_headroom = rtwdev->chip->tx_pkt_desc_sz; + + hw->extra_tx_headroom = max_tx_headroom; + hw->queues = IEEE80211_NUM_ACS; + hw->txq_data_size = sizeof(struct rtw_txq); + hw->sta_data_size = sizeof(struct rtw_sta_info); + hw->vif_data_size = sizeof(struct rtw_vif); + + ieee80211_hw_set(hw, SIGNAL_DBM); + ieee80211_hw_set(hw, RX_INCLUDES_FCS); + ieee80211_hw_set(hw, AMPDU_AGGREGATION); + ieee80211_hw_set(hw, MFP_CAPABLE); + ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); + ieee80211_hw_set(hw, SUPPORTS_PS); + ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); + ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); + ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); + ieee80211_hw_set(hw, HAS_RATE_CONTROL); + ieee80211_hw_set(hw, TX_AMSDU); + + hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_ADHOC) | + BIT(NL80211_IFTYPE_MESH_POINT); + hw->wiphy->available_antennas_tx = hal->antenna_tx; + hw->wiphy->available_antennas_rx = hal->antenna_rx; + + hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | + WIPHY_FLAG_TDLS_EXTERNAL_SETUP; + + hw->wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; + + wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CAN_REPLACE_PTK0); + +#ifdef CONFIG_PM + hw->wiphy->wowlan = rtwdev->chip->wowlan_stub; + hw->wiphy->max_sched_scan_ssids = rtwdev->chip->max_sched_scan_ssids; +#endif + rtw_set_supported_band(hw, rtwdev->chip); + SET_IEEE80211_PERM_ADDR(hw, rtwdev->efuse.addr); + + rtw_regd_init(rtwdev, rtw_regd_notifier); + + ret = ieee80211_register_hw(hw); + if (ret) { + rtw_err(rtwdev, "failed to register hw\n"); + return ret; + } + + if (regulatory_hint(hw->wiphy, rtwdev->regd.alpha2)) + rtw_err(rtwdev, "regulatory_hint fail\n"); + + rtw_debugfs_init(rtwdev); + + rtwdev->bf_info.bfer_mu_cnt = 0; + rtwdev->bf_info.bfer_su_cnt = 0; + + return 0; +} +EXPORT_SYMBOL(rtw_register_hw); + +void rtw_unregister_hw(struct rtw_dev *rtwdev, struct ieee80211_hw *hw) +{ + struct rtw_chip_info *chip = rtwdev->chip; + + ieee80211_unregister_hw(hw); + rtw_unset_supported_band(hw, chip); +} +EXPORT_SYMBOL(rtw_unregister_hw); + +MODULE_AUTHOR("Realtek Corporation"); +MODULE_DESCRIPTION("Realtek 802.11ac wireless core module"); +MODULE_LICENSE("Dual BSD/GPL"); |