From: Felix Fietkau <nbd@xxxxxxxxxxx>
This is a 2x2 PCIe 802.11ac chipset by MediaTek
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
---
drivers/net/wireless/mediatek/Kconfig | 1 +
drivers/net/wireless/mediatek/Makefile | 1 +
drivers/net/wireless/mediatek/mt76/Kconfig | 10 +
drivers/net/wireless/mediatek/mt76/Makefile | 15 +
drivers/net/wireless/mediatek/mt76/mt76x2.h | 220 ++++++
drivers/net/wireless/mediatek/mt76/mt76x2_core.c | 83 +++
.../net/wireless/mediatek/mt76/mt76x2_debugfs.c | 101 +++
drivers/net/wireless/mediatek/mt76/mt76x2_dma.c | 184 +++++
drivers/net/wireless/mediatek/mt76/mt76x2_dma.h | 68 ++
drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c | 644 +++++++++++++++++
drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.h | 181 +++++
drivers/net/wireless/mediatek/mt76/mt76x2_init.c | 765 +++++++++++++++++++++
drivers/net/wireless/mediatek/mt76/mt76x2_mac.c | 738 ++++++++++++++++++++
drivers/net/wireless/mediatek/mt76/mt76x2_mac.h | 189 +++++
drivers/net/wireless/mediatek/mt76/mt76x2_main.c | 532 ++++++++++++++
drivers/net/wireless/mediatek/mt76/mt76x2_mcu.c | 452 ++++++++++++
drivers/net/wireless/mediatek/mt76/mt76x2_mcu.h | 136 ++++
drivers/net/wireless/mediatek/mt76/mt76x2_pci.c | 109 +++
drivers/net/wireless/mediatek/mt76/mt76x2_phy.c | 688 ++++++++++++++++++
drivers/net/wireless/mediatek/mt76/mt76x2_regs.h | 564 +++++++++++++++
drivers/net/wireless/mediatek/mt76/mt76x2_trace.c | 23 +
drivers/net/wireless/mediatek/mt76/mt76x2_trace.h | 144 ++++
drivers/net/wireless/mediatek/mt76/mt76x2_tx.c | 262 +++++++
23 files changed, 6110 insertions(+)
create mode 100644 drivers/net/wireless/mediatek/mt76/Kconfig
create mode 100644 drivers/net/wireless/mediatek/mt76/Makefile
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2.h
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_core.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_dma.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_dma.h
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.h
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_init.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_mac.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_mac.h
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_main.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_mcu.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_mcu.h
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_pci.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_phy.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_regs.h
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_trace.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_trace.h
create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x2_tx.c
diff --git a/drivers/net/wireless/mediatek/Kconfig b/drivers/net/wireless/mediatek/Kconfig
index 28843fe..92ce406 100644
--- a/drivers/net/wireless/mediatek/Kconfig
+++ b/drivers/net/wireless/mediatek/Kconfig
@@ -11,4 +11,5 @@ config WLAN_VENDOR_MEDIATEK
if WLAN_VENDOR_MEDIATEK
source "drivers/net/wireless/mediatek/mt7601u/Kconfig"
+source "drivers/net/wireless/mediatek/mt76/Kconfig"
endif # WLAN_VENDOR_MEDIATEK
diff --git a/drivers/net/wireless/mediatek/Makefile b/drivers/net/wireless/mediatek/Makefile
index 9d5f182..00f945f 100644
--- a/drivers/net/wireless/mediatek/Makefile
+++ b/drivers/net/wireless/mediatek/Makefile
@@ -1 +1,2 @@
obj-$(CONFIG_MT7601U) += mt7601u/
+obj-$(CONFIG_MT76_CORE) += mt76/
diff --git a/drivers/net/wireless/mediatek/mt76/Kconfig b/drivers/net/wireless/mediatek/mt76/Kconfig
new file mode 100644
index 0000000..fc05d79
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/Kconfig
@@ -0,0 +1,10 @@
+config MT76_CORE
+ tristate
+
+config MT76x2E
+ tristate "MediaTek MT76x2E (PCIe) support"
+ select MT76_CORE
+ depends on MAC80211
+ depends on PCI
+ ---help---
+ This adds support for MT7612/MT7602/MT7662-based wireless PCIe devices.
diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile
new file mode 100644
index 0000000..2d1fad1
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/Makefile
@@ -0,0 +1,15 @@
+obj-$(CONFIG_MT76_CORE) += mt76.o
+obj-$(CONFIG_MT76x2E) += mt76x2e.o
+
+mt76-y := \
+ mmio.o util.o trace.o dma.o mac80211.o debugfs.o eeprom.o tx.o
+
+CFLAGS_trace.o := -I$(src)
+
+mt76x2e-y := \
+ mt76x2_pci.o mt76x2_dma.o \
+ mt76x2_main.o mt76x2_init.o mt76x2_debugfs.o mt76x2_tx.o \
+ mt76x2_core.o mt76x2_mac.o mt76x2_eeprom.o mt76x2_mcu.o mt76x2_phy.o \
+ mt76x2_trace.o
+
+CFLAGS_mt76x2_trace.o := -I$(src)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2.h b/drivers/net/wireless/mediatek/mt76/mt76x2.h
new file mode 100644
index 0000000..9440599
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2.h
@@ -0,0 +1,220 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef __MT76x2_H
+#define __MT76x2_H
+
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/spinlock.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/mutex.h>
+#include <linux/bitops.h>
+#include <linux/kfifo.h>
+
+#define MT7662_FIRMWARE "mt7662.bin"
+#define MT7662_ROM_PATCH "mt7662_rom_patch.bin"
+#define MT7662_EEPROM_SIZE 512
+
+#define MT_RX_HEADROOM 32
+
+#define MT_MAX_CHAINS 2
+
+#define MT_CALIBRATE_INTERVAL HZ
+
+#include "mt76.h"
+#include "mt76x2_regs.h"
+#include "mt76x2_mac.h"
+
+struct mt76x2_mcu {
+ struct mutex mutex;
+
+ wait_queue_head_t wait;
+ struct sk_buff_head res_q;
+
+ u32 msg_seq;
+};
+
+struct mt76x2_rx_freq_cal {
+ s8 high_gain[MT_MAX_CHAINS];
+ s8 rssi_offset[MT_MAX_CHAINS];
+ s8 lna_gain;
+ u32 mcu_gain;
+};
+
+struct mt76x2_calibration {
+ struct mt76x2_rx_freq_cal rx;
+
+ u8 agc_gain_init[MT_MAX_CHAINS];
+ int avg_rssi[MT_MAX_CHAINS];
+ int avg_rssi_all;
+
+ s8 low_gain;
+
+ u8 temp;
+
+ bool init_cal_done;
+ bool tssi_cal_done;
+ bool tssi_comp_pending;
+ bool dpd_cal_done;
+ bool channel_cal_done;
+};
+
+struct mt76x2_dev {
+ struct mt76_dev mt76; /* must be first */
+
+ struct mac_address macaddr_list[8];
+
+ struct mutex mutex;
+
+ const u16 *beacon_offsets;
+ unsigned long wcid_mask[256 / BITS_PER_LONG];
+
+ int txpower_conf;
+ int txpower_cur;
+
+ u8 txdone_seq;
+ DECLARE_KFIFO_PTR(txstatus_fifo, struct mt76x2_tx_status);
+
+ struct mt76x2_mcu mcu;
+ struct sk_buff *rx_head;
+
+ struct tasklet_struct tx_tasklet;
+ struct tasklet_struct pre_tbtt_tasklet;
+ struct delayed_work cal_work;
+ struct delayed_work mac_work;
+
+ u32 aggr_stats[32];
+
+ struct mt76_wcid global_wcid;
+ struct mt76_wcid __rcu *wcid[254 - 8];
+
+ spinlock_t irq_lock;
+ u32 irqmask;
+
+ struct sk_buff *beacons[8];
+ u8 beacon_mask;
+ u8 beacon_data_mask;
+
+ u32 rev;
+ u32 rxfilter;
+
+ u16 chainmask;
+
+ struct mt76x2_calibration cal;
+
+ s8 target_power;
+ s8 target_power_delta[2];
+ struct mt76_rate_power rate_power;
+ bool enable_tpc;
+
+ u8 coverage_class;
+ u8 slottime;
+};
+
+struct mt76x2_vif {
+ u8 idx;
+
+ struct mt76_wcid group_wcid;
+};
+
+struct mt76x2_sta {
+ struct mt76_wcid wcid; /* must be first */
+
+ struct mt76x2_tx_status status;
+ int n_frames;
+};
+
+static inline bool is_mt7612(struct mt76x2_dev *dev)
+{
+ return (dev->rev >> 16) == 0x7612;
+}
+
+void mt76x2_set_irq_mask(struct mt76x2_dev *dev, u32 clear, u32 set);
+
+static inline void mt76x2_irq_enable(struct mt76x2_dev *dev, u32 mask)
+{
+ mt76x2_set_irq_mask(dev, 0, mask);
+}
+
+static inline void mt76x2_irq_disable(struct mt76x2_dev *dev, u32 mask)
+{
+ mt76x2_set_irq_mask(dev, mask, 0);
+}
+
+extern const struct ieee80211_ops mt76x2_ops;
+
+struct mt76x2_dev *mt76x2_alloc_device(struct device *pdev);
+int mt76x2_register_device(struct mt76x2_dev *dev);
+void mt76x2_init_debugfs(struct mt76x2_dev *dev);
+
+irqreturn_t mt76x2_irq_handler(int irq, void *dev_instance);
+void mt76x2_phy_power_on(struct mt76x2_dev *dev);
+int mt76x2_init_hardware(struct mt76x2_dev *dev);
+void mt76x2_stop_hardware(struct mt76x2_dev *dev);
+int mt76x2_eeprom_init(struct mt76x2_dev *dev);
+int mt76x2_apply_calibration_data(struct mt76x2_dev *dev, int channel);
+void mt76x2_set_tx_ackto(struct mt76x2_dev *dev);
+
+int mt76x2_phy_start(struct mt76x2_dev *dev);
+int mt76x2_phy_set_channel(struct mt76x2_dev *dev,
+ struct cfg80211_chan_def *chandef);
+int mt76x2_phy_get_rssi(struct mt76x2_dev *dev, s8 rssi, int chain);
+void mt76x2_phy_calibrate(struct work_struct *work);
+void mt76x2_phy_set_txpower(struct mt76x2_dev *dev);
+
+int mt76x2_mcu_init(struct mt76x2_dev *dev);
+int mt76x2_mcu_set_channel(struct mt76x2_dev *dev, u8 channel, u8 bw,
+ u8 bw_index, bool scan);
+int mt76x2_mcu_set_radio_state(struct mt76x2_dev *dev, bool on);
+int mt76x2_mcu_load_cr(struct mt76x2_dev *dev, u8 type, u8 temp_level,
+ u8 channel);
+int mt76x2_mcu_cleanup(struct mt76x2_dev *dev);
+
+int mt76x2_dma_init(struct mt76x2_dev *dev);
+void mt76x2_dma_cleanup(struct mt76x2_dev *dev);
+
+void mt76x2_cleanup(struct mt76x2_dev *dev);
+
+int mt76x2_tx_queue_mcu(struct mt76x2_dev *dev, enum mt76_txq_id qid,
+ struct sk_buff *skb, int cmd, int seq);
+void mt76x2_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
+ struct sk_buff *skb);
+void mt76x2_tx_complete(struct mt76x2_dev *dev, struct sk_buff *skb);
+int mt76x2_tx_prepare_skb(struct mt76_dev *dev, void *txwi_ptr,
+ struct sk_buff *skb, struct mt76_queue *q,
+ struct mt76_wcid *wcid, struct ieee80211_sta *sta,
+ u32 *tx_info);
+void mt76x2_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q,
+ struct mt76_queue_entry *e, bool flush);
+
+void mt76x2_pre_tbtt_tasklet(unsigned long data);
+
+void mt76x2_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q);
+void mt76x2_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
+ struct sk_buff *skb);
+
+void mt76x2_update_channel(struct mt76_dev *dev);
+
+s8 mt76x2_tx_get_max_txpwr_adj(struct mt76x2_dev *dev,
+ const struct ieee80211_tx_rate *rate);
+s8 mt76x2_tx_get_txpwr_adj(struct mt76x2_dev *dev, s8 txpwr, s8 max_txpwr_adj);
+void mt76x2_tx_set_txpwr_auto(struct mt76x2_dev *dev, s8 txpwr);
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_core.c b/drivers/net/wireless/mediatek/mt76/mt76x2_core.c
new file mode 100644
index 0000000..3449e16
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_core.c
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/delay.h>
+#include "mt76x2.h"
+#include "mt76x2_trace.h"
+
+void mt76x2_set_irq_mask(struct mt76x2_dev *dev, u32 clear, u32 set)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->irq_lock, flags);
+ dev->irqmask &= ~clear;
+ dev->irqmask |= set;
+ mt76_wr(dev, MT_INT_MASK_CSR, dev->irqmask);
+ spin_unlock_irqrestore(&dev->irq_lock, flags);
+}
+
+void mt76x2_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q)
+{
+ struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76);
+
+ mt76x2_irq_enable(dev, MT_INT_RX_DONE(q));
+}
+
+irqreturn_t mt76x2_irq_handler(int irq, void *dev_instance)
+{
+ struct mt76x2_dev *dev = dev_instance;
+ u32 intr;
+
+ intr = mt76_rr(dev, MT_INT_SOURCE_CSR);
+ mt76_wr(dev, MT_INT_SOURCE_CSR, intr);
+
+ if (!test_bit(MT76_STATE_INITIALIZED, &dev->mt76.state))
+ return IRQ_NONE;
+
+ trace_dev_irq(dev, intr, dev->irqmask);
+
+ intr &= dev->irqmask;
+
+ if (intr & MT_INT_TX_DONE_ALL) {
+ mt76x2_irq_disable(dev, MT_INT_TX_DONE_ALL);
+ tasklet_schedule(&dev->tx_tasklet);
+ }
+
+ if (intr & MT_INT_RX_DONE(0)) {
+ mt76x2_irq_disable(dev, MT_INT_RX_DONE(0));
+ napi_schedule(&dev->mt76.napi[0]);
+ }
+
+ if (intr & MT_INT_RX_DONE(1)) {
+ mt76x2_irq_disable(dev, MT_INT_RX_DONE(1));
+ napi_schedule(&dev->mt76.napi[1]);
+ }
+
+ if (intr & MT_INT_PRE_TBTT)
+ tasklet_schedule(&dev->pre_tbtt_tasklet);
+
+ /* send buffered multicast frames now */
+ if (intr & MT_INT_TBTT)
+ mt76_queue_kick(dev, &dev->mt76.q_tx[MT_TXQ_PSD]);
+
+ if (intr & MT_INT_TX_STAT) {
+ mt76x2_mac_poll_tx_status(dev, true);
+ tasklet_schedule(&dev->tx_tasklet);
+ }
+
+ return IRQ_HANDLED;
+}
+
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c b/drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c
new file mode 100644
index 0000000..0239636
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/debugfs.h>
+#include "mt76x2.h"
+
+static int
+mt76x2_ampdu_stat_read(struct seq_file *file, void *data)
+{
+ struct mt76x2_dev *dev = file->private;
+ int i, j;
+
+ for (i = 0; i < 4; i++) {
+ seq_puts(file, "Length: ");
+ for (j = 0; j < 8; j++)
+ seq_printf(file, "%8d | ", i * 8 + j + 1);
+ seq_puts(file, "\n");
+ seq_puts(file, "Count: ");
+ for (j = 0; j < 8; j++)
+ seq_printf(file, "%8d | ", dev->aggr_stats[i * 8 + j]);
+ seq_puts(file, "\n");
+ seq_puts(file, "--------");
+ for (j = 0; j < 8; j++)
+ seq_puts(file, "-----------");
+ seq_puts(file, "\n");
+ }
+
+ return 0;
+}
+
+static int
+mt76x2_ampdu_stat_open(struct inode *inode, struct file *f)
+{
+ return single_open(f, mt76x2_ampdu_stat_read, inode->i_private);
+}
+
+static void
+seq_puts_array(struct seq_file *file, const char *str, s8 *val, int len)
+{
+ int i;
+
+ seq_printf(file, "%10s:", str);
+ for (i = 0; i < len; i++)
+ seq_printf(file, " %2d", val[i]);
+ seq_puts(file, "\n");
+}
+
+static int read_txpower(struct seq_file *file, void *data)
+{
+ struct mt76x2_dev *dev = dev_get_drvdata(file->private);
+
+ seq_printf(file, "Target power: %d\n", dev->target_power);
+
+ seq_puts_array(file, "Delta", dev->target_power_delta,
+ ARRAY_SIZE(dev->target_power_delta));
+ seq_puts_array(file, "CCK", dev->rate_power.cck,
+ ARRAY_SIZE(dev->rate_power.cck));
+ seq_puts_array(file, "OFDM", dev->rate_power.ofdm,
+ ARRAY_SIZE(dev->rate_power.ofdm));
+ seq_puts_array(file, "HT", dev->rate_power.ht,
+ ARRAY_SIZE(dev->rate_power.ht));
+ seq_puts_array(file, "VHT", dev->rate_power.vht,
+ ARRAY_SIZE(dev->rate_power.vht));
+ return 0;
+}
+
+static const struct file_operations fops_ampdu_stat = {
+ .open = mt76x2_ampdu_stat_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+void mt76x2_init_debugfs(struct mt76x2_dev *dev)
+{
+ struct dentry *dir;
+
+ dir = mt76_register_debugfs(&dev->mt76);
+ if (!dir)
+ return;
+
+ debugfs_create_u8("temperature", S_IRUSR, dir, &dev->cal.temp);
+ debugfs_create_bool("tpc", S_IRUSR | S_IWUSR, dir, &dev->enable_tpc);
+
+ debugfs_create_file("ampdu_stat", S_IRUSR, dir, dev, &fops_ampdu_stat);
+ debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir,
+ read_txpower);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c b/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c
new file mode 100644
index 0000000..06e027a
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c
@@ -0,0 +1,184 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "mt76x2.h"
+#include "mt76x2_dma.h"
+
+int
+mt76x2_tx_queue_mcu(struct mt76x2_dev *dev, enum mt76_txq_id qid,
+ struct sk_buff *skb, int cmd, int seq)
+{
+ struct mt76_queue *q = &dev->mt76.q_tx[qid];
+ struct mt76_queue_buf buf;
+ dma_addr_t addr;
+ u32 tx_info;
+ int idx;
+
+ tx_info = MT_MCU_MSG_TYPE_CMD |
+ FIELD_PREP(MT_MCU_MSG_CMD_TYPE, cmd) |
+ FIELD_PREP(MT_MCU_MSG_CMD_SEQ, seq) |
+ FIELD_PREP(MT_MCU_MSG_PORT, CPU_TX_PORT) |
+ FIELD_PREP(MT_MCU_MSG_LEN, skb->len);
+
+ addr = dma_map_single(dev->mt76.dev, skb->data, skb->len,
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(dev->mt76.dev, addr))
+ return -ENOMEM;
+
+ buf.addr = addr;
+ buf.len = skb->len;
+ spin_lock_bh(&q->lock);
+ idx = mt76_queue_add_buf(dev, q, &buf, 1, tx_info, skb, NULL);
+ mt76_queue_kick(dev, q);
+ spin_unlock_bh(&q->lock);
+
+ return 0;
+}
+
+static int
+mt76x2_init_tx_queue(struct mt76x2_dev *dev, struct mt76_queue *q,
+ int idx, int n_desc)
+{
+ int ret;
+
+ q->regs = dev->mt76.regs + MT_TX_RING_BASE + idx * MT_RING_SIZE;
+ q->ndesc = n_desc;
+
+ ret = mt76_queue_alloc(dev, q);
+ if (ret)
+ return ret;
+
+ mt76x2_irq_enable(dev, MT_INT_TX_DONE(idx));
+
+ return 0;
+}
+
+void mt76x2_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
+ struct sk_buff *skb)
+{
+ struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76);
+ void *rxwi = skb->data;
+
+ if (q == MT_RXQ_MCU) {
+ skb_queue_tail(&dev->mcu.res_q, skb);
+ wake_up(&dev->mcu.wait);
+ return;
+ }
+
+ skb_pull(skb, sizeof(struct mt76x2_rxwi));
+ if (mt76x2_mac_process_rx(dev, skb, rxwi)) {
+ dev_kfree_skb(skb);
+ return;
+ }
+
+ mt76_rx(&dev->mt76, q, skb);
+}
+
+static int
+mt76x2_init_rx_queue(struct mt76x2_dev *dev, struct mt76_queue *q,
+ int idx, int n_desc, int bufsize)
+{
+ int ret;
+
+ q->regs = dev->mt76.regs + MT_RX_RING_BASE + idx * MT_RING_SIZE;
+ q->ndesc = n_desc;
+ q->buf_size = bufsize;
+
+ ret = mt76_queue_alloc(dev, q);
+ if (ret)
+ return ret;
+
+ mt76x2_irq_enable(dev, MT_INT_RX_DONE(idx));
+
+ return 0;
+}
+
+static void
+mt76x2_tx_tasklet(unsigned long data)
+{
+ struct mt76x2_dev *dev = (struct mt76x2_dev *) data;
+ int i;
+
+ mt76x2_mac_process_tx_status_fifo(dev);
+
+ for (i = MT_TXQ_MCU; i >= 0; i--)
+ mt76_queue_tx_cleanup(dev, i, false);
+
+ mt76x2_mac_poll_tx_status(dev, false);
+ mt76x2_irq_enable(dev, MT_INT_TX_DONE_ALL);
+}
+
+int mt76x2_dma_init(struct mt76x2_dev *dev)
+{
+ static const u8 wmm_queue_map[] = {
+ [IEEE80211_AC_BE] = 0,
+ [IEEE80211_AC_BK] = 1,
+ [IEEE80211_AC_VI] = 2,
+ [IEEE80211_AC_VO] = 3,
+ };
+ int ret;
+ int i;
+ struct mt76_txwi_cache __maybe_unused *t;
+ struct mt76_queue *q;
+
+ BUILD_BUG_ON(sizeof(t->txwi) < sizeof(struct mt76x2_txwi));
+ BUILD_BUG_ON(sizeof(struct mt76x2_rxwi) > MT_RX_HEADROOM);
+
+ mt76_dma_attach(&dev->mt76);
+
+ init_waitqueue_head(&dev->mcu.wait);
+ skb_queue_head_init(&dev->mcu.res_q);
+
+ tasklet_init(&dev->tx_tasklet, mt76x2_tx_tasklet, (unsigned long) dev);
+
+ mt76_wr(dev, MT_WPDMA_RST_IDX, ~0);
+
+ for (i = 0; i < ARRAY_SIZE(wmm_queue_map); i++) {
+ ret = mt76x2_init_tx_queue(dev, &dev->mt76.q_tx[i],
+ wmm_queue_map[i], MT_TX_RING_SIZE);
+ if (ret)
+ return ret;
+ }
+
+ ret = mt76x2_init_tx_queue(dev, &dev->mt76.q_tx[MT_TXQ_PSD],
+ MT_TX_HW_QUEUE_MGMT, MT_TX_RING_SIZE);
+ if (ret)
+ return ret;
+
+ ret = mt76x2_init_tx_queue(dev, &dev->mt76.q_tx[MT_TXQ_MCU],
+ MT_TX_HW_QUEUE_MCU, MT_MCU_RING_SIZE);
+ if (ret)
+ return ret;
+
+ ret = mt76x2_init_rx_queue(dev, &dev->mt76.q_rx[MT_RXQ_MCU], 1,
+ MT_MCU_RING_SIZE, MT_RX_BUF_SIZE);
+ if (ret)
+ return ret;
+
+ q = &dev->mt76.q_rx[MT_RXQ_MAIN];
+ q->buf_offset = MT_RX_HEADROOM - sizeof(struct mt76x2_rxwi);
+ ret = mt76x2_init_rx_queue(dev, q, 0, MT_RX_RING_SIZE, MT_RX_BUF_SIZE);
+ if (ret)
+ return ret;
+
+ return mt76_init_queues(dev);
+}
+
+void mt76x2_dma_cleanup(struct mt76x2_dev *dev)
+{
+ tasklet_kill(&dev->tx_tasklet);
+ mt76_dma_cleanup(&dev->mt76);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_dma.h b/drivers/net/wireless/mediatek/mt76/mt76x2_dma.h
new file mode 100644
index 0000000..47f79d8
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_dma.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef __MT76x2_DMA_H
+#define __MT76x2_DMA_H
+
+#include "dma.h"
+
+#define MT_TXD_INFO_LEN GENMASK(13, 0)
+#define MT_TXD_INFO_NEXT_VLD BIT(16)
+#define MT_TXD_INFO_TX_BURST BIT(17)
+#define MT_TXD_INFO_80211 BIT(19)
+#define MT_TXD_INFO_TSO BIT(20)
+#define MT_TXD_INFO_CSO BIT(21)
+#define MT_TXD_INFO_WIV BIT(24)
+#define MT_TXD_INFO_QSEL GENMASK(26, 25)
+#define MT_TXD_INFO_TCO BIT(29)
+#define MT_TXD_INFO_UCO BIT(30)
+#define MT_TXD_INFO_ICO BIT(31)
+
+#define MT_RX_FCE_INFO_LEN GENMASK(13, 0)
+#define MT_RX_FCE_INFO_SELF_GEN BIT(15)
+#define MT_RX_FCE_INFO_CMD_SEQ GENMASK(19, 16)
+#define MT_RX_FCE_INFO_EVT_TYPE GENMASK(23, 20)
+#define MT_RX_FCE_INFO_PCIE_INTR BIT(24)
+#define MT_RX_FCE_INFO_QSEL GENMASK(26, 25)
+#define MT_RX_FCE_INFO_D_PORT GENMASK(29, 27)
+#define MT_RX_FCE_INFO_TYPE GENMASK(31, 30)
+
+/* MCU request message header */
+#define MT_MCU_MSG_LEN GENMASK(15, 0)
+#define MT_MCU_MSG_CMD_SEQ GENMASK(19, 16)
+#define MT_MCU_MSG_CMD_TYPE GENMASK(26, 20)
+#define MT_MCU_MSG_PORT GENMASK(29, 27)
+#define MT_MCU_MSG_TYPE GENMASK(31, 30)
+#define MT_MCU_MSG_TYPE_CMD BIT(30)
+
+enum mt76x2_qsel {
+ MT_QSEL_MGMT,
+ MT_QSEL_HCCA,
+ MT_QSEL_EDCA,
+ MT_QSEL_EDCA_2,
+};
+
+enum dma_msg_port {
+ WLAN_PORT,
+ CPU_RX_PORT,
+ CPU_TX_PORT,
+ HOST_PORT,
+ VIRTUAL_CPU_RX_PORT,
+ VIRTUAL_CPU_TX_PORT,
+ DISCARD,
+};
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c b/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c
new file mode 100644
index 0000000..925fe6a
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c
@@ -0,0 +1,644 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <asm/unaligned.h>
+#include "mt76x2.h"
+#include "mt76x2_eeprom.h"
+
+#define EE_FIELD(_name, _value) [MT_EE_##_name] = (_value) | 1
+
+static int
+mt76x2_eeprom_copy(struct mt76x2_dev *dev, enum mt76x2_eeprom_field field,
+ void *dest, int len)
+{
+ if (field + len > dev->mt76.eeprom.size)
+ return -1;
+
+ memcpy(dest, dev->mt76.eeprom.data + field, len);
+ return 0;
+}
+
+static int
+mt76x2_eeprom_get_macaddr(struct mt76x2_dev *dev)
+{
+ void *src = dev->mt76.eeprom.data + MT_EE_MAC_ADDR;
+
+ memcpy(dev->mt76.macaddr, src, ETH_ALEN);
+ return 0;
+}
+
+static void
+mt76x2_eeprom_parse_hw_cap(struct mt76x2_dev *dev)
+{
+ u16 val = MT_EE_NIC_CONF_0;
+
+ switch (FIELD_GET(MT_EE_NIC_CONF_0_BOARD_TYPE, val)) {
+ case BOARD_TYPE_5GHZ:
+ dev->mt76.cap.has_5ghz = true;
+ break;
+ case BOARD_TYPE_2GHZ:
+ dev->mt76.cap.has_2ghz = true;
+ break;
+ default:
+ dev->mt76.cap.has_2ghz = true;
+ dev->mt76.cap.has_5ghz = true;
+ break;
+ }
+}
+
+static int
+mt76x2_efuse_read(struct mt76x2_dev *dev, u16 addr, u8 *data)
+{
+ u32 val;
+ int i;
+
+ val = mt76_rr(dev, MT_EFUSE_CTRL);
+ val &= ~(MT_EFUSE_CTRL_AIN |
+ MT_EFUSE_CTRL_MODE);
+ val |= FIELD_PREP(MT_EFUSE_CTRL_AIN, addr & ~0xf);
+ val |= MT_EFUSE_CTRL_KICK;
+ mt76_wr(dev, MT_EFUSE_CTRL, val);
+
+ if (!mt76_poll(dev, MT_EFUSE_CTRL, MT_EFUSE_CTRL_KICK, 0, 1000))
+ return -ETIMEDOUT;
+
+ udelay(2);
+
+ val = mt76_rr(dev, MT_EFUSE_CTRL);
+ if ((val & MT_EFUSE_CTRL_AOUT) == MT_EFUSE_CTRL_AOUT) {
+ memset(data, 0xff, 16);
+ return 0;
+ }
+
+ for (i = 0; i < 4; i++) {
+ val = mt76_rr(dev, MT_EFUSE_DATA(i));
+ put_unaligned_le32(val, data + 4 * i);
+ }
+
+ return 0;
+}
+
+static int
+mt76x2_get_efuse_data(struct mt76x2_dev *dev, void *buf, int len)
+{
+ int ret, i;
+
+ for (i = 0; i + 16 <= len; i += 16) {
+ ret = mt76x2_efuse_read(dev, i, buf + i);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static bool
+mt76x2_has_cal_free_data(struct mt76x2_dev *dev, u8 *efuse)
+{
+ u16 *efuse_w = (u16 *) efuse;
+
+ if (efuse_w[MT_EE_NIC_CONF_0] != 0)
+ return false;
+
+ if (efuse_w[MT_EE_XTAL_TRIM_1] == 0xffff)
+ return false;
+
+ if (efuse_w[MT_EE_TX_POWER_DELTA_BW40] != 0)
+ return false;
+
+ if (efuse_w[MT_EE_TX_POWER_0_START_2G] == 0xffff)
+ return false;
+
+ if (efuse_w[MT_EE_TX_POWER_0_GRP3_TX_POWER_DELTA] != 0)
+ return false;
+
+ if (efuse_w[MT_EE_TX_POWER_0_GRP4_TSSI_SLOPE] == 0xffff)
+ return false;
+
+ return true;
+}
+
+static void
+mt76x2_apply_cal_free_data(struct mt76x2_dev *dev, u8 *efuse)
+{
+#define GROUP_5G(_id) \
+ MT_EE_TX_POWER_0_START_5G + MT_TX_POWER_GROUP_SIZE_5G * (_id), \
+ MT_EE_TX_POWER_0_START_5G + MT_TX_POWER_GROUP_SIZE_5G * (_id) + 1, \
+ MT_EE_TX_POWER_1_START_5G + MT_TX_POWER_GROUP_SIZE_5G * (_id), \
+ MT_EE_TX_POWER_1_START_5G + MT_TX_POWER_GROUP_SIZE_5G * (_id) + 1
+
+ static const u8 cal_free_bytes[] = {
+ MT_EE_XTAL_TRIM_1,
+ MT_EE_TX_POWER_EXT_PA_5G + 1,
+ MT_EE_TX_POWER_0_START_2G,
+ MT_EE_TX_POWER_0_START_2G + 1,
+ MT_EE_TX_POWER_1_START_2G,
+ MT_EE_TX_POWER_1_START_2G + 1,
+ GROUP_5G(0),
+ GROUP_5G(1),
+ GROUP_5G(2),
+ GROUP_5G(3),
+ GROUP_5G(4),
+ GROUP_5G(5),
+ MT_EE_RF_2G_TSSI_OFF_TXPOWER,
+ MT_EE_RF_2G_RX_HIGH_GAIN + 1,
+ MT_EE_RF_5G_GRP0_1_RX_HIGH_GAIN,
+ MT_EE_RF_5G_GRP0_1_RX_HIGH_GAIN + 1,
+ MT_EE_RF_5G_GRP2_3_RX_HIGH_GAIN,
+ MT_EE_RF_5G_GRP2_3_RX_HIGH_GAIN + 1,
+ MT_EE_RF_5G_GRP4_5_RX_HIGH_GAIN,
+ MT_EE_RF_5G_GRP4_5_RX_HIGH_GAIN + 1,
+ };
+ u8 *eeprom = dev->mt76.eeprom.data;
+ u8 prev_grp0[4] = {
+ eeprom[MT_EE_TX_POWER_0_START_5G],
+ eeprom[MT_EE_TX_POWER_0_START_5G + 1],
+ eeprom[MT_EE_TX_POWER_1_START_5G],
+ eeprom[MT_EE_TX_POWER_1_START_5G + 1]
+ };
+ u16 val;
+ int i;
+
+ if (!mt76x2_has_cal_free_data(dev, efuse))
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(cal_free_bytes); i++) {
+ int offset = cal_free_bytes[i];
+
+ eeprom[offset] = efuse[offset];
+ }
+
+ if (!(efuse[MT_EE_TX_POWER_0_START_5G] |
+ efuse[MT_EE_TX_POWER_0_START_5G + 1]))
+ memcpy(eeprom + MT_EE_TX_POWER_0_START_5G, prev_grp0, 2);
+ if (!(efuse[MT_EE_TX_POWER_1_START_5G] |
+ efuse[MT_EE_TX_POWER_1_START_5G + 1]))
+ memcpy(eeprom + MT_EE_TX_POWER_1_START_5G, prev_grp0 + 2, 2);
+
+ val = get_unaligned_le16(efuse + MT_EE_BT_RCAL_RESULT);
+ if (val != 0xffff)
+ eeprom[MT_EE_BT_RCAL_RESULT] = val & 0xff;
+
+ val = get_unaligned_le16(efuse + MT_EE_BT_VCDL_CALIBRATION);
+ if (val != 0xffff)
+ eeprom[MT_EE_BT_VCDL_CALIBRATION + 1] = val >> 8;
+
+ val = get_unaligned_le16(efuse + MT_EE_BT_PMUCFG);
+ if (val != 0xffff)
+ eeprom[MT_EE_BT_PMUCFG] = val & 0xff;
+}
+
+static int mt76x2_check_eeprom(struct mt76x2_dev *dev)
+{
+ u16 val = get_unaligned_le16(dev->mt76.eeprom.data);
+
+ switch (val) {
+ case 0x7662:
+ case 0x7612:
+ return 0;
+ default:
+ dev_err(dev->mt76.dev, "EEPROM data check failed: %04x\n", val);
+ return -EINVAL;
+ }
+}
+
+static int
+mt76x2_eeprom_load(struct mt76x2_dev *dev)
+{
+ void *efuse;
+ int len = MT7662_EEPROM_SIZE;
+ bool found;
+ int ret;
+
+ ret = mt76_eeprom_init(&dev->mt76, len);
+ if (ret < 0)
+ return ret;
+
+ found = ret;
+ if (found)
+ found = !mt76x2_check_eeprom(dev);
+
+ dev->mt76.otp.data = devm_kzalloc(dev->mt76.dev, len, GFP_KERNEL);
+ dev->mt76.otp.size = len;
+ if (!dev->mt76.otp.data)
+ return -ENOMEM;
+
+ efuse = dev->mt76.otp.data;
+
+ if (mt76x2_get_efuse_data(dev, efuse, len))
+ goto out;
+
+ if (found) {
+ mt76x2_apply_cal_free_data(dev, efuse);
+ } else {
+ /* FIXME: check if efuse data is complete */
+ found = true;
+ memcpy(dev->mt76.eeprom.data, efuse, len);
+ }
+
+out:
+ if (!found)
+ return -ENOENT;
+
+ return 0;
+}
+
+static inline int
+mt76x2_sign_extend(u32 val, unsigned int size)
+{
+ bool sign = val & BIT(size - 1);
+
+ val &= BIT(size - 1) - 1;
+
+ return sign ? val : -val;
+}
+
+static inline int
+mt76x2_sign_extend_optional(u32 val, unsigned int size)
+{
+ bool enable = val & BIT(size);
+
+ return enable ? mt76x2_sign_extend(val, size) : 0;
+}
+
+static bool
+field_valid(u8 val)
+{
+ return val != 0 && val != 0xff;
+}
+
+static void
+mt76x2_set_rx_gain_group(struct mt76x2_dev *dev, u8 val)
+{
+ s8 *dest = dev->cal.rx.high_gain;
+
+ if (!field_valid(val)) {
+ dest[0] = 0;
+ dest[1] = 0;
+ return;
+ }
+
+ dest[0] = mt76x2_sign_extend(val, 4);
+ dest[1] = mt76x2_sign_extend(val >> 4, 4);
+}
+
+static void
+mt76x2_set_rssi_offset(struct mt76x2_dev *dev, int chain, u8 val)
+{
+ s8 *dest = dev->cal.rx.rssi_offset;
+
+ if (!field_valid(val)) {
+ dest[chain] = 0;
+ return;
+ }
+
+ dest[chain] = mt76x2_sign_extend(val, 6);
+}
+
+static enum mt76x2_cal_channel_group
+mt76x2_get_cal_channel_group(int channel)
+{
+ if (channel >= 184 && channel <= 196)
+ return MT_CH_5G_JAPAN;
+ if (channel <= 48)
+ return MT_CH_5G_UNII_1;
+ if (channel <= 64)
+ return MT_CH_5G_UNII_2;
+ if (channel <= 114)
+ return MT_CH_5G_UNII_2E_1;
+ if (channel <= 144)
+ return MT_CH_5G_UNII_2E_2;
+ return MT_CH_5G_UNII_3;
+}
+
+static u8
+mt76x2_get_5g_rx_gain(struct mt76x2_dev *dev, u8 channel)
+{
+ enum mt76x2_cal_channel_group group;
+
+ group = mt76x2_get_cal_channel_group(channel);
+ switch (group) {
+ case MT_CH_5G_JAPAN:
+ return mt76x2_eeprom_get(dev, MT_EE_RF_5G_GRP0_1_RX_HIGH_GAIN);
+ case MT_CH_5G_UNII_1:
+ return mt76x2_eeprom_get(dev, MT_EE_RF_5G_GRP0_1_RX_HIGH_GAIN) >> 8;
+ case MT_CH_5G_UNII_2:
+ return mt76x2_eeprom_get(dev, MT_EE_RF_5G_GRP2_3_RX_HIGH_GAIN);
+ case MT_CH_5G_UNII_2E_1:
+ return mt76x2_eeprom_get(dev, MT_EE_RF_5G_GRP2_3_RX_HIGH_GAIN) >> 8;
+ case MT_CH_5G_UNII_2E_2:
+ return mt76x2_eeprom_get(dev, MT_EE_RF_5G_GRP4_5_RX_HIGH_GAIN);
+ default:
+ return mt76x2_eeprom_get(dev, MT_EE_RF_5G_GRP4_5_RX_HIGH_GAIN) >> 8;
+ }
+}
+
+void mt76x2_read_rx_gain(struct mt76x2_dev *dev)
+{
+ struct ieee80211_channel *chan = dev->mt76.chandef.chan;
+ int channel = chan->hw_value;
+ s8 lna_5g[3], lna_2g;
+ u8 lna;
+ u16 val;
+
+ if (chan->band == NL80211_BAND_2GHZ)
+ val = mt76x2_eeprom_get(dev, MT_EE_RF_2G_RX_HIGH_GAIN) >> 8;
+ else
+ val = mt76x2_get_5g_rx_gain(dev, channel);
+
+ mt76x2_set_rx_gain_group(dev, val);
+
+ if (chan->band == NL80211_BAND_2GHZ) {
+ val = mt76x2_eeprom_get(dev, MT_EE_RSSI_OFFSET_2G_0);
+ mt76x2_set_rssi_offset(dev, 0, val);
+ mt76x2_set_rssi_offset(dev, 1, val >> 8);
+ } else {
+ val = mt76x2_eeprom_get(dev, MT_EE_RSSI_OFFSET_5G_0);
+ mt76x2_set_rssi_offset(dev, 0, val);
+ mt76x2_set_rssi_offset(dev, 1, val >> 8);
+ }
+
+ val = mt76x2_eeprom_get(dev, MT_EE_LNA_GAIN);
+ lna_2g = val & 0xff;
+ lna_5g[0] = val >> 8;
+
+ val = mt76x2_eeprom_get(dev, MT_EE_RSSI_OFFSET_2G_1);
+ lna_5g[1] = val >> 8;
+
+ val = mt76x2_eeprom_get(dev, MT_EE_RSSI_OFFSET_5G_1);
+ lna_5g[2] = val >> 8;
+
+ if (!field_valid(lna_5g[1]))
+ lna_5g[1] = lna_5g[0];
+
+ if (!field_valid(lna_5g[2]))
+ lna_5g[2] = lna_5g[0];
+
+ dev->cal.rx.mcu_gain = (lna_2g & 0xff);
+ dev->cal.rx.mcu_gain |= (lna_5g[0] & 0xff) << 8;
+ dev->cal.rx.mcu_gain |= (lna_5g[1] & 0xff) << 16;
+ dev->cal.rx.mcu_gain |= (lna_5g[2] & 0xff) << 24;
+
+ val = mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_1);
+ if (val & MT_EE_NIC_CONF_1_LNA_EXT_2G)
+ lna_2g = 0;
+ if (val & MT_EE_NIC_CONF_1_LNA_EXT_5G)
+ memset(lna_5g, 0, sizeof(lna_5g));
+
+ if (chan->band == NL80211_BAND_2GHZ)
+ lna = lna_2g;
+ else if (channel <= 64)
+ lna = lna_5g[0];
+ else if (channel <= 128)
+ lna = lna_5g[1];
+ else
+ lna = lna_5g[2];
+
+ if (lna == 0xff)
+ lna = 0;
+
+ dev->cal.rx.lna_gain = mt76x2_sign_extend(lna, 8);
+}
+
+static s8
+mt76x2_rate_power_val(u8 val)
+{
+ if (!field_valid(val))
+ return 0;
+
+ return mt76x2_sign_extend_optional(val, 7);
+}
+
+void mt76x2_get_rate_power(struct mt76x2_dev *dev, struct mt76_rate_power *t)
+{
+ bool is_5ghz = false;
+ u16 val;
+
+ is_5ghz = dev->mt76.chandef.chan->band == NL80211_BAND_5GHZ;
+
+ memset(t, 0, sizeof(*t));
+
+ val = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_CCK);
+ t->cck[0] = t->cck[1] = mt76x2_rate_power_val(val);
+ t->cck[2] = t->cck[3] = mt76x2_rate_power_val(val >> 8);
+
+ if (is_5ghz)
+ val = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_OFDM_5G_6M);
+ else
+ val = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_OFDM_2G_6M);
+ t->ofdm[0] = t->ofdm[1] = mt76x2_rate_power_val(val);
+ t->ofdm[2] = t->ofdm[3] = mt76x2_rate_power_val(val >> 8);
+
+ if (is_5ghz)
+ val = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_OFDM_5G_24M);
+ else
+ val = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_OFDM_2G_24M);
+ t->ofdm[4] = t->ofdm[5] = mt76x2_rate_power_val(val);
+ t->ofdm[6] = t->ofdm[7] = mt76x2_rate_power_val(val >> 8);
+
+ val = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_HT_MCS0);
+ t->ht[0] = t->ht[1] = mt76x2_rate_power_val(val);
+ t->ht[2] = t->ht[3] = mt76x2_rate_power_val(val >> 8);
+
+ val = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_HT_MCS4);
+ t->ht[4] = t->ht[5] = mt76x2_rate_power_val(val);
+ t->ht[6] = t->ht[7] = mt76x2_rate_power_val(val >> 8);
+
+ val = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_HT_MCS8);
+ t->ht[8] = t->ht[9] = mt76x2_rate_power_val(val);
+ t->ht[10] = t->ht[11] = mt76x2_rate_power_val(val >> 8);
+
+ val = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_HT_MCS12);
+ t->ht[12] = t->ht[13] = mt76x2_rate_power_val(val);
+ t->ht[14] = t->ht[15] = mt76x2_rate_power_val(val >> 8);
+
+ val = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_VHT_MCS0);
+ t->vht[0] = t->vht[1] = mt76x2_rate_power_val(val);
+ t->vht[2] = t->vht[3] = mt76x2_rate_power_val(val >> 8);
+
+ val = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_VHT_MCS4);
+ t->vht[4] = t->vht[5] = mt76x2_rate_power_val(val);
+ t->vht[6] = t->vht[7] = mt76x2_rate_power_val(val >> 8);
+
+ val = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_VHT_MCS8);
+ if (!is_5ghz)
+ val >>= 8;
+ t->vht[8] = t->vht[9] = mt76x2_rate_power_val(val >> 8);
+}
+
+static void
+mt76x2_get_power_info_2g(struct mt76x2_dev *dev, struct mt76x2_tx_power_info *t,
+ int chain, int offset)
+{
+ int channel = dev->mt76.chandef.chan->hw_value;
+ int delta_idx;
+ u8 data[6];
+ u16 val;
+
+ if (channel < 6)
+ delta_idx = 3;
+ else if (channel < 11)
+ delta_idx = 4;
+ else
+ delta_idx = 5;
+
+ mt76x2_eeprom_copy(dev, offset, data, sizeof(data));
+
+ t->chain[chain].tssi_slope = data[0];
+ t->chain[chain].tssi_offset = data[1];
+ t->chain[chain].target_power = data[2];
+ t->chain[chain].delta = mt76x2_sign_extend_optional(data[delta_idx], 7);
+
+ val = mt76x2_eeprom_get(dev, MT_EE_RF_2G_TSSI_OFF_TXPOWER);
+ t->target_power = val >> 8;
+}
+
+static void
+mt76x2_get_power_info_5g(struct mt76x2_dev *dev, struct mt76x2_tx_power_info *t,
+ int chain, int offset)
+{
+ int channel = dev->mt76.chandef.chan->hw_value;
+ enum mt76x2_cal_channel_group group;
+ int delta_idx;
+ u16 val;
+ u8 data[5];
+
+ group = mt76x2_get_cal_channel_group(channel);
+ offset += group * MT_TX_POWER_GROUP_SIZE_5G;
+
+ if (channel >= 192)
+ delta_idx = 4;
+ else if (channel >= 484)
+ delta_idx = 3;
+ else if (channel < 44)
+ delta_idx = 3;
+ else if (channel < 52)
+ delta_idx = 4;
+ else if (channel < 58)
+ delta_idx = 3;
+ else if (channel < 98)
+ delta_idx = 4;
+ else if (channel < 106)
+ delta_idx = 3;
+ else if (channel < 116)
+ delta_idx = 4;
+ else if (channel < 130)
+ delta_idx = 3;
+ else if (channel < 149)
+ delta_idx = 4;
+ else if (channel < 157)
+ delta_idx = 3;
+ else
+ delta_idx = 4;
+
+ mt76x2_eeprom_copy(dev, offset, data, sizeof(data));
+
+ t->chain[chain].tssi_slope = data[0];
+ t->chain[chain].tssi_offset = data[1];
+ t->chain[chain].target_power = data[2];
+ t->chain[chain].delta = mt76x2_sign_extend_optional(data[delta_idx], 7);
+
+ val = mt76x2_eeprom_get(dev, MT_EE_RF_2G_RX_HIGH_GAIN);
+ t->target_power = val & 0xff;
+}
+
+void mt76x2_get_power_info(struct mt76x2_dev *dev,
+ struct mt76x2_tx_power_info *t)
+{
+ u16 bw40, bw80;
+
+ memset(t, 0, sizeof(*t));
+
+ bw40 = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_DELTA_BW40);
+ bw80 = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_DELTA_BW80);
+
+ if (dev->mt76.chandef.chan->band == NL80211_BAND_5GHZ) {
+ bw40 >>= 8;
+ mt76x2_get_power_info_5g(dev, t, 0, MT_EE_TX_POWER_0_START_5G);
+ mt76x2_get_power_info_5g(dev, t, 1, MT_EE_TX_POWER_1_START_5G);
+ } else {
+ mt76x2_get_power_info_2g(dev, t, 0, MT_EE_TX_POWER_0_START_2G);
+ mt76x2_get_power_info_2g(dev, t, 1, MT_EE_TX_POWER_1_START_2G);
+ }
+
+ if (mt76x2_tssi_enabled(dev) || !field_valid(t->target_power))
+ t->target_power = t->chain[0].target_power;
+
+ t->delta_bw40 = mt76x2_rate_power_val(bw40);
+ t->delta_bw80 = mt76x2_rate_power_val(bw80);
+}
+
+int mt76x2_get_temp_comp(struct mt76x2_dev *dev, struct mt76x2_temp_comp *t)
+{
+ enum nl80211_band band = dev->mt76.chandef.chan->band;
+ u16 val, slope;
+ u8 bounds;
+
+ memset(t, 0, sizeof(*t));
+
+ val = mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_1);
+ if (!(val & MT_EE_NIC_CONF_1_TEMP_TX_ALC))
+ return -EINVAL;
+
+ if (!mt76x2_ext_pa_enabled(dev, band))
+ return -EINVAL;
+
+ val = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_EXT_PA_5G) >> 8;
+ if (!(val & BIT(7)))
+ return -EINVAL;
+
+ t->temp_25_ref = val & 0x7f;
+ if (band == NL80211_BAND_5GHZ) {
+ slope = mt76x2_eeprom_get(dev, MT_EE_RF_TEMP_COMP_SLOPE_5G);
+ bounds = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_EXT_PA_5G);
+ } else {
+ slope = mt76x2_eeprom_get(dev, MT_EE_RF_TEMP_COMP_SLOPE_2G);
+ bounds = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_DELTA_BW80) >> 8;
+ }
+
+ t->high_slope = slope & 0xff;
+ t->low_slope = slope >> 8;
+ t->lower_bound = 0 - (bounds & 0xf);
+ t->upper_bound = (bounds >> 4) & 0xf;
+
+ return 0;
+}
+
+bool mt76x2_ext_pa_enabled(struct mt76x2_dev *dev, enum nl80211_band band)
+{
+ u16 conf1 = mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_0);
+
+ if (band == NL80211_BAND_5GHZ)
+ return !(conf1 & MT_EE_NIC_CONF_0_PA_INT_5G);
+ else
+ return !(conf1 & MT_EE_NIC_CONF_0_PA_INT_2G);
+}
+
+int mt76x2_eeprom_init(struct mt76x2_dev *dev)
+{
+ int ret;
+
+ ret = mt76x2_eeprom_load(dev);
+ if (ret)
+ return ret;
+
+ mt76x2_eeprom_parse_hw_cap(dev);
+ mt76x2_eeprom_get_macaddr(dev);
+ mt76_eeprom_override(&dev->mt76);
+ dev->mt76.macaddr[0] &= ~BIT(1);
+
+ return 0;
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.h b/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.h
new file mode 100644
index 0000000..bbd7a5b
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.h
@@ -0,0 +1,181 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef __MT76x2_EEPROM_H
+#define __MT76x2_EEPROM_H
+
+#include "mt76x2.h"
+
+enum mt76x2_eeprom_field {
+ MT_EE_CHIP_ID = 0x000,
+ MT_EE_VERSION = 0x002,
+ MT_EE_MAC_ADDR = 0x004,
+ MT_EE_NIC_CONF_0 = 0x034,
+ MT_EE_NIC_CONF_1 = 0x036,
+ MT_EE_NIC_CONF_2 = 0x042,
+
+ MT_EE_XTAL_TRIM_1 = 0x03a,
+ MT_EE_XTAL_TRIM_2 = 0x09e,
+
+ MT_EE_LNA_GAIN = 0x044,
+ MT_EE_RSSI_OFFSET_2G_0 = 0x046,
+ MT_EE_RSSI_OFFSET_2G_1 = 0x048,
+ MT_EE_RSSI_OFFSET_5G_0 = 0x04a,
+ MT_EE_RSSI_OFFSET_5G_1 = 0x04c,
+
+ MT_EE_TX_POWER_DELTA_BW40 = 0x050,
+ MT_EE_TX_POWER_DELTA_BW80 = 0x052,
+
+ MT_EE_TX_POWER_EXT_PA_5G = 0x054,
+
+ MT_EE_TX_POWER_0_START_2G = 0x056,
+ MT_EE_TX_POWER_1_START_2G = 0x05c,
+
+ /* used as byte arrays */
+#define MT_TX_POWER_GROUP_SIZE_5G 5
+#define MT_TX_POWER_GROUPS_5G 6
+ MT_EE_TX_POWER_0_START_5G = 0x062,
+
+ MT_EE_TX_POWER_0_GRP3_TX_POWER_DELTA = 0x074,
+ MT_EE_TX_POWER_0_GRP4_TSSI_SLOPE = 0x076,
+
+ MT_EE_TX_POWER_1_START_5G = 0x080,
+
+ MT_EE_TX_POWER_CCK = 0x0a0,
+ MT_EE_TX_POWER_OFDM_2G_6M = 0x0a2,
+ MT_EE_TX_POWER_OFDM_2G_24M = 0x0a4,
+ MT_EE_TX_POWER_OFDM_5G_6M = 0x0b2,
+ MT_EE_TX_POWER_OFDM_5G_24M = 0x0b4,
+ MT_EE_TX_POWER_HT_MCS0 = 0x0a6,
+ MT_EE_TX_POWER_HT_MCS4 = 0x0a8,
+ MT_EE_TX_POWER_HT_MCS8 = 0x0aa,
+ MT_EE_TX_POWER_HT_MCS12 = 0x0ac,
+ MT_EE_TX_POWER_VHT_MCS0 = 0x0ba,
+ MT_EE_TX_POWER_VHT_MCS4 = 0x0bc,
+ MT_EE_TX_POWER_VHT_MCS8 = 0x0be,
+
+ MT_EE_RF_TEMP_COMP_SLOPE_5G = 0x0f2,
+ MT_EE_RF_TEMP_COMP_SLOPE_2G = 0x0f4,
+
+ MT_EE_RF_2G_TSSI_OFF_TXPOWER = 0x0f6,
+ MT_EE_RF_2G_RX_HIGH_GAIN = 0x0f8,
+ MT_EE_RF_5G_GRP0_1_RX_HIGH_GAIN = 0x0fa,
+ MT_EE_RF_5G_GRP2_3_RX_HIGH_GAIN = 0x0fc,
+ MT_EE_RF_5G_GRP4_5_RX_HIGH_GAIN = 0x0fe,
+
+ MT_EE_BT_RCAL_RESULT = 0x138,
+ MT_EE_BT_VCDL_CALIBRATION = 0x13c,
+ MT_EE_BT_PMUCFG = 0x13e,
+
+ __MT_EE_MAX
+};
+
+#define MT_EE_NIC_CONF_0_PA_INT_2G BIT(8)
+#define MT_EE_NIC_CONF_0_PA_INT_5G BIT(9)
+#define MT_EE_NIC_CONF_0_BOARD_TYPE GENMASK(13, 12)
+
+#define MT_EE_NIC_CONF_1_TEMP_TX_ALC BIT(1)
+#define MT_EE_NIC_CONF_1_LNA_EXT_2G BIT(2)
+#define MT_EE_NIC_CONF_1_LNA_EXT_5G BIT(3)
+#define MT_EE_NIC_CONF_1_TX_ALC_EN BIT(13)
+
+#define MT_EE_NIC_CONF_2_RX_STREAM GENMASK(3, 0)
+#define MT_EE_NIC_CONF_2_TX_STREAM GENMASK(7, 4)
+#define MT_EE_NIC_CONF_2_HW_ANTDIV BIT(8)
+#define MT_EE_NIC_CONF_2_XTAL_OPTION GENMASK(10, 9)
+#define MT_EE_NIC_CONF_2_TEMP_DISABLE BIT(11)
+#define MT_EE_NIC_CONF_2_COEX_METHOD GENMASK(15, 13)
+
+enum mt76x2_board_type {
+ BOARD_TYPE_2GHZ = 1,
+ BOARD_TYPE_5GHZ = 2,
+};
+
+enum mt76x2_cal_channel_group {
+ MT_CH_5G_JAPAN,
+ MT_CH_5G_UNII_1,
+ MT_CH_5G_UNII_2,
+ MT_CH_5G_UNII_2E_1,
+ MT_CH_5G_UNII_2E_2,
+ MT_CH_5G_UNII_3,
+ __MT_CH_MAX
+};
+
+struct mt76x2_tx_power_info {
+ u8 target_power;
+
+ s8 delta_bw40;
+ s8 delta_bw80;
+
+ struct {
+ s8 tssi_slope;
+ s8 tssi_offset;
+ s8 target_power;
+ s8 delta;
+ } chain[MT_MAX_CHAINS];
+};
+
+struct mt76x2_temp_comp {
+ u8 temp_25_ref;
+ int lower_bound; /* J */
+ int upper_bound; /* J */
+ unsigned int high_slope; /* J / dB */
+ unsigned int low_slope; /* J / dB */
+};
+
+static inline int
+mt76x2_eeprom_get(struct mt76x2_dev *dev, enum mt76x2_eeprom_field field)
+{
+ if ((field & 1) || field >= __MT_EE_MAX)
+ return -1;
+
+ return get_unaligned_le16(dev->mt76.eeprom.data + field);
+}
+
+void mt76x2_get_rate_power(struct mt76x2_dev *dev, struct mt76_rate_power *t);
+void mt76x2_get_power_info(struct mt76x2_dev *dev,
+ struct mt76x2_tx_power_info *t);
+int mt76x2_get_temp_comp(struct mt76x2_dev *dev, struct mt76x2_temp_comp *t);
+bool mt76x2_ext_pa_enabled(struct mt76x2_dev *dev, enum nl80211_band band);
+void mt76x2_read_rx_gain(struct mt76x2_dev *dev);
+
+static inline bool
+mt76x2_temp_tx_alc_enabled(struct mt76x2_dev *dev)
+{
+ return mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_1) &
+ MT_EE_NIC_CONF_1_TEMP_TX_ALC;
+}
+
+static inline bool
+mt76x2_tssi_enabled(struct mt76x2_dev *dev)
+{
+ return !mt76x2_temp_tx_alc_enabled(dev) &&
+ (mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_1) &
+ MT_EE_NIC_CONF_1_TX_ALC_EN);
+}
+
+static inline bool
+mt76x2_has_ext_lna(struct mt76x2_dev *dev)
+{
+ u32 val = mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_1);
+
+ if (dev->mt76.chandef.chan->band == NL80211_BAND_2GHZ)
+ return val & MT_EE_NIC_CONF_1_LNA_EXT_2G;
+ else
+ return val & MT_EE_NIC_CONF_1_LNA_EXT_5G;
+}
+
+#endif
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..1fbd842
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
@@ -0,0 +1,765 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/delay.h>
+#include "mt76x2.h"
+#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)
+{
+ u32 val;
+
+ val = MT_PBF_SYS_CTRL_MCU_RESET |
+ MT_PBF_SYS_CTRL_DMA_RESET |
+ MT_PBF_SYS_CTRL_MAC_RESET |
+ MT_PBF_SYS_CTRL_PBF_RESET |
+ MT_PBF_SYS_CTRL_ASY_RESET;
+
+ mt76_set(dev, MT_PBF_SYS_CTRL, val);
+ mt76_clear(dev, MT_PBF_SYS_CTRL, val);
+
+ mt76_wr(dev, MT_PBF_TX_MAX_PCNT, 0xefef3f1f);
+ mt76_wr(dev, MT_PBF_RX_MAX_PCNT, 0xfebf);
+}
+
+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, 0x00000002 },
+ { 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;
+ s8 offset = 0;
+
+ eep_val = mt76x2_eeprom_get(dev, MT_EE_XTAL_TRIM_2);
+
+ offset = eep_val & 0x7f;
+ if ((eep_val & 0xff) == 0xff)
+ offset = 0;
+ else if (eep_val & 0x80)
+ offset = 0 - offset;
+
+ eep_val >>= 8;
+ if (eep_val == 0x00 || eep_val == 0xff) {
+ eep_val = mt76x2_eeprom_get(dev, MT_EE_XTAL_TRIM_1);
+ eep_val &= 0xff;
+
+ if (eep_val == 0x00 || eep_val == 0xff)
+ eep_val = 0x14;
+ }
+
+ eep_val &= 0x7f;
+ mt76_rmw_field(dev, MT_XO_CTRL5, MT_XO_CTRL5_C2_VAL, eep_val + offset);
+ mt76_set(dev, MT_XO_CTRL6, MT_XO_CTRL6_C2_CTRL);
+
+ eep_val = mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_2);
+ switch (FIELD_GET(MT_EE_NIC_CONF_2_XTAL_OPTION, eep_val)) {
+ case 0:
+ mt76_wr(dev, MT_XO_CTRL7, 0x5c1fee80);
+ break;
+ case 1:
+ mt76_wr(dev, MT_XO_CTRL7, 0x5c1feed0);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+mt76x2_init_beacon_offsets(struct mt76x2_dev *dev)
+{
+ u16 base = MT_BEACON_BASE;
+ u32 regs[4] = {};
+ int i;
+
+ for (i = 0; i < 16; i++) {
+ u16 addr = dev->beacon_offsets[i];
+
+ regs[i / 4] |= ((addr - base) / 64) << (8 * (i % 4));
+ }
+
+ for (i = 0; i < 4; i++)
+ mt76_wr(dev, MT_BCN_OFFSET(i), regs[i]);
+}
+
+int mt76x2_mac_reset(struct mt76x2_dev *dev, bool hard)
+{
+ static const u8 null_addr[ETH_ALEN] = {};
+ const u8 *macaddr = dev->mt76.macaddr;
+ u32 val;
+ int i, k;
+
+ if (!mt76x2_wait_for_mac(dev))
+ return -ETIMEDOUT;
+
+ val = mt76_rr(dev, MT_WPDMA_GLO_CFG);
+
+ val &= ~(MT_WPDMA_GLO_CFG_TX_DMA_EN |
+ MT_WPDMA_GLO_CFG_TX_DMA_BUSY |
+ MT_WPDMA_GLO_CFG_RX_DMA_EN |
+ MT_WPDMA_GLO_CFG_RX_DMA_BUSY |
+ MT_WPDMA_GLO_CFG_DMA_BURST_SIZE);
+ val |= FIELD_PREP(MT_WPDMA_GLO_CFG_DMA_BURST_SIZE, 3);
+
+ mt76_wr(dev, MT_WPDMA_GLO_CFG, val);
+
+ mt76x2_mac_pbf_init(dev);
+ mt76_write_mac_initvals(dev);
+ mt76x2_fixup_xtal(dev);
+
+ mt76_clear(dev, MT_MAC_SYS_CTRL,
+ MT_MAC_SYS_CTRL_RESET_CSR |
+ MT_MAC_SYS_CTRL_RESET_BBP);
+
+ if (is_mt7612(dev))
+ mt76_clear(dev, MT_COEXCFG0, MT_COEXCFG0_COEX_EN);
+
+ mt76_set(dev, MT_EXT_CCA_CFG, 0x0000f000);
+ mt76_clear(dev, MT_TX_ALC_CFG_4, BIT(31));
+
+ mt76_wr(dev, MT_RF_BYPASS_0, 0x06000000);
+ mt76_wr(dev, MT_RF_SETTING_0, 0x08800000);
+ usleep_range(5000, 10000);
+ mt76_wr(dev, MT_RF_BYPASS_0, 0x00000000);
+
+ mt76_wr(dev, MT_MCU_CLOCK_CTL, 0x1401);
+ mt76_clear(dev, MT_FCE_L2_STUFF, MT_FCE_L2_STUFF_WR_MPDU_LEN_EN);
+
+ mt76_wr(dev, MT_MAC_ADDR_DW0, get_unaligned_le32(macaddr));
+ mt76_wr(dev, MT_MAC_ADDR_DW1, get_unaligned_le16(macaddr + 4));
+
+ mt76_wr(dev, MT_MAC_BSSID_DW0, get_unaligned_le32(macaddr));
+ mt76_wr(dev, MT_MAC_BSSID_DW1, get_unaligned_le16(macaddr + 4) |
+ FIELD_PREP(MT_MAC_BSSID_DW1_MBSS_MODE, 3) | /* 8 beacons */
+ MT_MAC_BSSID_DW1_MBSS_LOCAL_BIT);
+
+ /* Fire a pre-TBTT interrupt 8 ms before TBTT */
+ mt76_rmw_field(dev, MT_INT_TIMER_CFG, MT_INT_TIMER_CFG_PRE_TBTT,
+ 8 << 4);
+ mt76_wr(dev, MT_INT_TIMER_EN, 0);
+
+ mt76_wr(dev, MT_BCN_BYPASS_MASK, 0xffff);
+ if (!hard)
+ return 0;
+
+ for (i = 0; i < 256; i++)
+ mt76x2_mac_wcid_setup(dev, i, 0, NULL);
+
+ for (i = 0; i < 16; i++)
+ for (k = 0; k < 4; k++)
+ mt76x2_mac_shared_key_setup(dev, i, k, NULL);
+
+ for (i = 0; i < 8; i++) {
+ mt76x2_mac_set_bssid(dev, i, null_addr);
+ mt76x2_mac_set_beacon(dev, i, NULL);
+ }
+
+ for (i = 0; i < 16; i++)
+ mt76_rr(dev, MT_TX_STAT_FIFO);
+
+ mt76_set(dev, MT_MAC_APC_BSSID_H(0), MT_MAC_APC_BSSID0_H_EN);
+
+ mt76_wr(dev, MT_CH_TIME_CFG,
+ MT_CH_TIME_CFG_TIMER_EN |
+ MT_CH_TIME_CFG_TX_AS_BUSY |
+ MT_CH_TIME_CFG_RX_AS_BUSY |
+ MT_CH_TIME_CFG_NAV_AS_BUSY |
+ MT_CH_TIME_CFG_EIFS_AS_BUSY |
+ FIELD_PREP(MT_CH_TIME_CFG_CH_TIMER_CLR, 1));
+
+ mt76x2_init_beacon_offsets(dev);
+
+ mt76x2_set_tx_ackto(dev);
+
+ return 0;
+}
+
+int mt76x2_mac_start(struct mt76x2_dev *dev)
+{
+ int i;
+
+ for (i = 0; i < 16; i++)
+ mt76_rr(dev, MT_TX_AGG_CNT(i));
+
+ for (i = 0; i < 16; i++)
+ mt76_rr(dev, MT_TX_STAT_FIFO);
+
+ memset(dev->aggr_stats, 0, sizeof(dev->aggr_stats));
+
+ mt76_wr(dev, MT_MAC_SYS_CTRL, MT_MAC_SYS_CTRL_ENABLE_TX);
+ wait_for_wpdma(dev);
+ usleep_range(50, 100);
+
+ mt76_set(dev, MT_WPDMA_GLO_CFG,
+ MT_WPDMA_GLO_CFG_TX_DMA_EN |
+ MT_WPDMA_GLO_CFG_RX_DMA_EN);
+
+ mt76_clear(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_TX_WRITEBACK_DONE);
+
+ mt76_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter);
+
+ mt76_wr(dev, MT_MAC_SYS_CTRL,
+ MT_MAC_SYS_CTRL_ENABLE_TX |
+ MT_MAC_SYS_CTRL_ENABLE_RX);
+
+ mt76x2_irq_enable(dev, MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL |
+ MT_INT_TX_STAT);
+
+ 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))
+ continue;
+
+ if (mt76_rr(dev, MT_BBP(IBI, 12)))
+ 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,
+ MT_MAC_SYS_CTRL_ENABLE_TX |
+ MT_MAC_SYS_CTRL_ENABLE_RX);
+}
+
+static void
+mt76x2_power_on_rf_patch(struct mt76x2_dev *dev)
+{
+ mt76_set(dev, 0x10130, BIT(0) | BIT(16));
+ udelay(1);
+
+ mt76_clear(dev, 0x1001c, 0xff);
+ mt76_set(dev, 0x1001c, 0x30);
+
+ mt76_wr(dev, 0x10014, 0x484f);
+ udelay(1);
+
+ mt76_set(dev, 0x10130, BIT(17));
+ udelay(125);
+
+ mt76_clear(dev, 0x10130, BIT(16));
+ udelay(50);
+
+ mt76_set(dev, 0x1014c, BIT(19) | BIT(20));
+}
+
+static void
+mt76x2_power_on_rf(struct mt76x2_dev *dev, int unit)
+{
+ int shift = unit ? 8 : 0;
+
+ /* Enable RF BG */
+ mt76_set(dev, 0x10130, BIT(0) << shift);
+ udelay(10);
+
+ /* Enable RFDIG LDO/AFE/ABB/ADDA */
+ mt76_set(dev, 0x10130, (BIT(1) | BIT(3) | BIT(4) | BIT(5)) << shift);
+ udelay(10);
+
+ /* Switch RFDIG power to internal LDO */
+ mt76_clear(dev, 0x10130, BIT(2) << shift);
+ udelay(10);
+
+ mt76x2_power_on_rf_patch(dev);
+
+ mt76_set(dev, 0x530, 0xf);
+}
+
+static void
+mt76x2_power_on(struct mt76x2_dev *dev)
+{
+ u32 val;
+
+ /* Turn on WL MTCMOS */
+ mt76_set(dev, MT_WLAN_MTC_CTRL, MT_WLAN_MTC_CTRL_MTCMOS_PWR_UP);
+
+ val = MT_WLAN_MTC_CTRL_STATE_UP |
+ MT_WLAN_MTC_CTRL_PWR_ACK |
+ MT_WLAN_MTC_CTRL_PWR_ACK_S;
+
+ mt76_poll(dev, MT_WLAN_MTC_CTRL, val, val, 1000);
+
+ mt76_clear(dev, MT_WLAN_MTC_CTRL, 0x7f << 16);
+ udelay(10);
+
+ mt76_clear(dev, MT_WLAN_MTC_CTRL, 0xf << 24);
+ udelay(10);
+
+ mt76_set(dev, MT_WLAN_MTC_CTRL, 0xf << 24);
+ mt76_clear(dev, MT_WLAN_MTC_CTRL, 0xfff);
+
+ /* Turn on AD/DA power down */
+ mt76_clear(dev, 0x11204, BIT(3));
+
+ /* WLAN function enable */
+ mt76_set(dev, 0x10080, BIT(0));
+
+ /* Release BBP software reset */
+ mt76_clear(dev, 0x10064, BIT(18));
+
+ mt76x2_power_on_rf(dev, 0);
+ mt76x2_power_on_rf(dev, 1);
+}
+
+void mt76x2_set_tx_ackto(struct mt76x2_dev *dev)
+{
+ u8 ackto, sifs, slottime = dev->slottime;
+
+ slottime += 3 * dev->coverage_class;
+
+ sifs = mt76_get_field(dev, MT_XIFS_TIME_CFG,
+ MT_XIFS_TIME_CFG_OFDM_SIFS);
+
+ ackto = slottime + sifs;
+ mt76_rmw_field(dev, MT_TX_TIMEOUT_CFG,
+ 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] = {
+ /* 1024 byte per beacon */
+ 0xc000,
+ 0xc400,
+ 0xc800,
+ 0xcc00,
+ 0xd000,
+ 0xd400,
+ 0xd800,
+ 0xdc00,
+
+ /* BSS idx 8-15 not used for beacons */
+ 0xc000,
+ 0xc000,
+ 0xc000,
+ 0xc000,
+ 0xc000,
+ 0xc000,
+ 0xc000,
+ 0xc000,
+ };
+ u32 val;
+ int ret;
+
+ dev->beacon_offsets = beacon_offsets;
+ 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 |
+ MT_WPDMA_GLO_CFG_HDR_SEG_LEN;
+ val |= MT_WPDMA_GLO_CFG_TX_WRITEBACK_DONE;
+ mt76_wr(dev, MT_WPDMA_GLO_CFG, val);
+
+ mt76x2_reset_wlan(dev, true);
+ mt76x2_power_on(dev);
+
+ ret = mt76x2_eeprom_init(dev);
+ if (ret)
+ return ret;
+
+ ret = mt76x2_mac_reset(dev, true);
+ if (ret)
+ return ret;
+
+ ret = mt76x2_dma_init(dev);
+ if (ret)
+ return ret;
+
+ set_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
+ ret = mt76x2_mac_start(dev);
+ if (ret)
+ return ret;
+
+ ret = mt76x2_mcu_init(dev);
+ if (ret)
+ return ret;
+
+ mt76x2_mac_stop(dev, false);
+ dev->rxfilter = mt76_rr(dev, MT_RX_FILTR_CFG);
+
+ return 0;
+}
+
+void mt76x2_stop_hardware(struct mt76x2_dev *dev)
+{
+ cancel_delayed_work_sync(&dev->cal_work);
+ cancel_delayed_work_sync(&dev->mac_work);
+ mt76x2_mcu_set_radio_state(dev, false);
+ mt76x2_mac_stop(dev, false);
+}
+
+void mt76x2_cleanup(struct mt76x2_dev *dev)
+{
+ mt76x2_stop_hardware(dev);
+ mt76x2_dma_cleanup(dev);
+ mt76x2_mcu_cleanup(dev);
+}
+
+struct mt76x2_dev *mt76x2_alloc_device(struct device *pdev)
+{
+ static const struct mt76_driver_ops drv_ops = {
+ .txwi_size = sizeof(struct mt76x2_txwi),
+ .update_survey = mt76x2_update_channel,
+ .tx_prepare_skb = mt76x2_tx_prepare_skb,
+ .tx_complete_skb = mt76x2_tx_complete_skb,
+ .rx_skb = mt76x2_queue_rx_skb,
+ .rx_poll_complete = mt76x2_rx_poll_complete,
+ };
+ struct ieee80211_hw *hw;
+ struct mt76x2_dev *dev;
+
+ hw = ieee80211_alloc_hw(sizeof(*dev), &mt76x2_ops);
+ if (!hw)
+ return NULL;
+
+ dev = hw->priv;
+ dev->mt76.dev = pdev;
+ dev->mt76.hw = hw;
+ dev->mt76.drv = &drv_ops;
+ mutex_init(&dev->mutex);
+ spin_lock_init(&dev->irq_lock);
+
+ return dev;
+}
+
+#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,
+ .types = BIT(NL80211_IFTYPE_ADHOC)
+ }, {
+ .max = 8,
+ .types = BIT(NL80211_IFTYPE_STATION) |
+#ifdef CONFIG_MAC80211_MESH
+ BIT(NL80211_IFTYPE_MESH_POINT) |
+#endif
+ BIT(NL80211_IFTYPE_AP)
+ },
+};
+
+static const struct ieee80211_iface_combination if_comb[] = {
+ {
+ .limits = if_limits,
+ .n_limits = ARRAY_SIZE(if_limits),
+ .max_interfaces = 8,
+ .num_different_channels = 1,
+ .beacon_int_infra_match = true,
+ }
+};
+
+int mt76x2_register_device(struct mt76x2_dev *dev)
+{
+ struct ieee80211_hw *hw = mt76_hw(dev);
+ struct wiphy *wiphy = hw->wiphy;
+ void *status_fifo;
+ int fifo_size;
+ int i, ret;
+
+ fifo_size = roundup_pow_of_two(32 * sizeof(struct mt76x2_tx_status));
+ status_fifo = devm_kzalloc(dev->mt76.dev, fifo_size, GFP_KERNEL);
+ if (!status_fifo)
+ return -ENOMEM;
+
+ kfifo_init(&dev->txstatus_fifo, status_fifo, fifo_size);
+
+ 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;
+
+ memcpy(addr, dev->mt76.macaddr, ETH_ALEN);
+
+ if (!i)
+ continue;
+
+ addr[0] |= BIT(1);
+ addr[0] ^= ((i - 1) << 2);
+ }
+ wiphy->addresses = dev->macaddr_list;
+ wiphy->n_addresses = ARRAY_SIZE(dev->macaddr_list);
+
+ wiphy->iface_combinations = if_comb;
+ wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
+
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
+
+ ieee80211_hw_set(hw, SUPPORTS_HT_CCK_RATES);
+ INIT_DELAYED_WORK(&dev->cal_work, mt76x2_phy_calibrate);
+ INIT_DELAYED_WORK(&dev->mac_work, mt76x2_mac_work);
+
+ 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;
+
+ ret = mt76_register_device(&dev->mt76, true, mt76x2_rates,
+ ARRAY_SIZE(mt76x2_rates));
+ if (ret)
+ goto fail;
+
+ mt76x2_init_debugfs(dev);
+
+ return 0;
+
+fail:
+ mt76x2_stop_hardware(dev);
+ return ret;
+}
+
+
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c
new file mode 100644
index 0000000..649f5f3
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c
@@ -0,0 +1,738 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/delay.h>
+#include "mt76x2.h"
+#include "mt76x2_mcu.h"
+#include "mt76x2_eeprom.h"
+#include "mt76x2_trace.h"
+
+void mt76x2_mac_set_bssid(struct mt76x2_dev *dev, u8 idx, const u8 *addr)
+{
+ idx &= 7;
+ mt76_wr(dev, MT_MAC_APC_BSSID_L(idx), get_unaligned_le32(addr));
+ mt76_rmw_field(dev, MT_MAC_APC_BSSID_H(idx), MT_MAC_APC_BSSID_H_ADDR,
+ get_unaligned_le16(addr + 4));
+}
+
+static void
+mt76x2_mac_process_rate(struct ieee80211_rx_status *status, u16 rate)
+{
+ u8 idx = FIELD_GET(MT_RXWI_RATE_INDEX, rate);
+
+ switch (FIELD_GET(MT_RXWI_RATE_PHY, rate)) {
+ case MT_PHY_TYPE_OFDM:
+ if (idx >= 8)
+ idx = 0;
+
+ if (status->band == NL80211_BAND_2GHZ)
+ idx += 4;
+
+ status->rate_idx = idx;
+ return;
+ case MT_PHY_TYPE_CCK:
+ if (idx >= 8) {
+ idx -= 8;
+ status->flag |= RX_FLAG_SHORTPRE;
+ }
+
+ if (idx >= 4)
+ idx = 0;
+
+ status->rate_idx = idx;
+ return;
+ case MT_PHY_TYPE_HT_GF:
+ status->flag |= RX_FLAG_HT_GF;
+ /* fall through */
+ case MT_PHY_TYPE_HT:
+ status->flag |= RX_FLAG_HT;
+ status->rate_idx = idx;
+ break;
+ case MT_PHY_TYPE_VHT:
+ status->flag |= RX_FLAG_VHT;
+ status->rate_idx = FIELD_GET(MT_RATE_INDEX_VHT_IDX, idx);
+ status->vht_nss = FIELD_GET(MT_RATE_INDEX_VHT_NSS, idx) + 1;
+ break;
+ default:
+ WARN_ON(1);
+ return;
+ }
+
+ if (rate & MT_RXWI_RATE_LDPC)
+ status->flag |= RX_FLAG_LDPC;
+
+ if (rate & MT_RXWI_RATE_SGI)
+ status->flag |= RX_FLAG_SHORT_GI;
+
+ if (rate & MT_RXWI_RATE_STBC)
+ status->flag |= 1 << RX_FLAG_STBC_SHIFT;
+
+ switch (FIELD_GET(MT_RXWI_RATE_BW, rate)) {
+ case MT_PHY_BW_20:
+ break;
+ case MT_PHY_BW_40:
+ status->flag |= RX_FLAG_40MHZ;
+ break;
+ case MT_PHY_BW_80:
+ status->vht_flag |= RX_VHT_FLAG_80MHZ;
+ break;
+ default:
+ break;
+ }
+}
+
+static __le16
+mt76x2_mac_tx_rate_val(struct mt76x2_dev *dev,
+ const struct ieee80211_tx_rate *rate, u8 *nss_val)
+{
+ u16 rateval;
+ u8 phy, rate_idx;
+ u8 nss = 1;
+ u8 bw = 0;
+
+ if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
+ rate_idx = rate->idx;
+ nss = 1 + (rate->idx >> 4);
+ phy = MT_PHY_TYPE_VHT;
+ if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
+ bw = 2;
+ else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+ bw = 1;
+ } else if (rate->flags & IEEE80211_TX_RC_MCS) {
+ rate_idx = rate->idx;
+ nss = 1 + (rate->idx >> 3);
+ phy = MT_PHY_TYPE_HT;
+ if (rate->flags & IEEE80211_TX_RC_GREEN_FIELD)
+ phy = MT_PHY_TYPE_HT_GF;
+ if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+ bw = 1;
+ } else {
+ const struct ieee80211_rate *r;
+ int band = dev->mt76.chandef.chan->band;
+ u16 val;
+
+ r = &mt76_hw(dev)->wiphy->bands[band]->bitrates[rate->idx];
+ if (rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
+ val = r->hw_value_short;
+ else
+ val = r->hw_value;
+
+ phy = val >> 8;
+ rate_idx = val & 0xff;
+ bw = 0;
+ }
+
+ rateval = FIELD_PREP(MT_RXWI_RATE_INDEX, rate_idx);
+ rateval |= FIELD_PREP(MT_RXWI_RATE_PHY, phy);
+ rateval |= FIELD_PREP(MT_RXWI_RATE_BW, bw);
+ if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
+ rateval |= MT_RXWI_RATE_SGI;
+
+ *nss_val = nss;
+ return cpu_to_le16(rateval);
+}
+
+void mt76x2_mac_wcid_set_rate(struct mt76x2_dev *dev, struct mt76_wcid *wcid,
+ const struct ieee80211_tx_rate *rate)
+{
+ spin_lock_bh(&dev->mt76.lock);
+ wcid->tx_rate = mt76x2_mac_tx_rate_val(dev, rate, &wcid->tx_rate_nss);
+ wcid->tx_rate_set = true;
+ spin_unlock_bh(&dev->mt76.lock);
+}
+
+void mt76x2_mac_write_txwi(struct mt76x2_dev *dev, struct mt76x2_txwi *txwi,
+ struct sk_buff *skb, struct mt76_wcid *wcid,
+ struct ieee80211_sta *sta)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_tx_rate *rate = &info->control.rates[0];
+ u16 rate_ht_mask = FIELD_PREP(MT_RXWI_RATE_PHY, BIT(1) | BIT(2));
+ u16 txwi_flags = 0;
+ u8 nss;
+ s8 txpwr_adj, max_txpwr_adj;
+
+ memset(txwi, 0, sizeof(*txwi));
+
+ if (wcid)
+ txwi->wcid = wcid->idx;
+ else
+ txwi->wcid = 0xff;
+
+ txwi->pktid = 1;
+
+ spin_lock_bh(&dev->mt76.lock);
+ if (rate->idx < 0 || !rate->count) {
+ txwi->rate = wcid->tx_rate;
+ max_txpwr_adj = wcid->max_txpwr_adj;
+ nss = wcid->tx_rate_nss;
+ } else {
+ txwi->rate = mt76x2_mac_tx_rate_val(dev, rate, &nss);
+ max_txpwr_adj = mt76x2_tx_get_max_txpwr_adj(dev, rate);
+ }
+ spin_unlock_bh(&dev->mt76.lock);
+
+ txpwr_adj = mt76x2_tx_get_txpwr_adj(dev, dev->txpower_conf,
+ max_txpwr_adj);
+ txwi->ctl2 = FIELD_PREP(MT_TX_PWR_ADJ, txpwr_adj);
+
+ if (mt76xx_rev(dev) >= MT76XX_REV_E4)
+ txwi->txstream = 0x13;
+ else if (mt76xx_rev(dev) >= MT76XX_REV_E3 &&
+ !(txwi->rate & cpu_to_le16(rate_ht_mask)))
+ txwi->txstream = 0x93;
+
+ if (info->flags & IEEE80211_TX_CTL_LDPC)
+ txwi->rate |= cpu_to_le16(MT_RXWI_RATE_LDPC);
+ if ((info->flags & IEEE80211_TX_CTL_STBC) && nss == 1)
+ txwi->rate |= cpu_to_le16(MT_RXWI_RATE_STBC);
+ if (nss > 1 && sta && sta->smps_mode == IEEE80211_SMPS_DYNAMIC)
+ txwi_flags |= MT_TXWI_FLAGS_MMPS;
+ if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
+ txwi->ack_ctl |= MT_TXWI_ACK_CTL_REQ;
+ if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)
+ txwi->ack_ctl |= MT_TXWI_ACK_CTL_NSEQ;
+ if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE)
+ txwi->pktid |= MT_TXWI_PKTID_PROBE;
+ if ((info->flags & IEEE80211_TX_CTL_AMPDU) && sta) {
+ u8 ba_size = IEEE80211_MIN_AMPDU_BUF;
+
+ ba_size <<= sta->ht_cap.ampdu_factor;
+ ba_size = min_t(int, 63, ba_size - 1);
+ if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE)
+ ba_size = 0;
+ txwi->ack_ctl |= FIELD_PREP(MT_TXWI_ACK_CTL_BA_WINDOW, ba_size);
+
+ txwi_flags |= MT_TXWI_FLAGS_AMPDU |
+ FIELD_PREP(MT_TXWI_FLAGS_MPDU_DENSITY,
+ sta->ht_cap.ampdu_density);
+ }
+
+ txwi->flags |= cpu_to_le16(txwi_flags);
+ txwi->len_ctl = cpu_to_le16(skb->len);
+}
+
+static void mt76x2_remove_hdr_pad(struct sk_buff *skb)
+{
+ int len = ieee80211_get_hdrlen_from_skb(skb);
+
+ memmove(skb->data + 2, skb->data, len);
+ skb_pull(skb, 2);
+}
+
+int mt76x2_mac_process_rx(struct mt76x2_dev *dev, struct sk_buff *skb,
+ void *rxi)
+{
+ struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
+ struct mt76x2_rxwi *rxwi = rxi;
+ u32 ctl = le32_to_cpu(rxwi->ctl);
+ u16 rate = le16_to_cpu(rxwi->rate);
+ int len;
+
+ if (rxwi->rxinfo & cpu_to_le32(MT_RXINFO_L2PAD))
+ mt76x2_remove_hdr_pad(skb);
+
+ if (rxwi->rxinfo & cpu_to_le32(MT_RXINFO_DECRYPT)) {
+ status->flag |= RX_FLAG_DECRYPTED;
+ status->flag |= RX_FLAG_IV_STRIPPED | RX_FLAG_MMIC_STRIPPED;
+ }
+
+ len = FIELD_GET(MT_RXWI_CTL_MPDU_LEN, ctl);
+ if (WARN_ON_ONCE(len > skb->len))
+ return -EINVAL;
+
+ pskb_trim(skb, len);
+ status->chains = BIT(0) | BIT(1);
+ status->chain_signal[0] = mt76x2_phy_get_rssi(dev, rxwi->rssi[0], 0);
+ status->chain_signal[1] = mt76x2_phy_get_rssi(dev, rxwi->rssi[1], 1);
+ status->signal = max(status->chain_signal[0], status->chain_signal[1]);
+ status->freq = dev->mt76.chandef.chan->center_freq;
+ status->band = dev->mt76.chandef.chan->band;
+
+ mt76x2_mac_process_rate(status, rate);
+
+ return 0;
+}
+
+static void
+mt76x2_mac_process_tx_rate(struct ieee80211_tx_rate *txrate, u16 rate,
+ enum nl80211_band band)
+{
+ u8 idx = FIELD_GET(MT_RXWI_RATE_INDEX, rate);
+
+ txrate->idx = 0;
+ txrate->flags = 0;
+ txrate->count = 1;
+
+ switch (FIELD_GET(MT_RXWI_RATE_PHY, rate)) {
+ case MT_PHY_TYPE_OFDM:
+ if (band == NL80211_BAND_2GHZ)
+ idx += 4;
+
+ txrate->idx = idx;
+ return;
+ case MT_PHY_TYPE_CCK:
+ if (idx >= 8)
+ idx -= 8;
+
+ txrate->idx = idx;
+ return;
+ case MT_PHY_TYPE_HT_GF:
+ txrate->flags |= IEEE80211_TX_RC_GREEN_FIELD;
+ /* fall through */
+ case MT_PHY_TYPE_HT:
+ txrate->flags |= IEEE80211_TX_RC_MCS;
+ txrate->idx = idx;
+ break;
+ case MT_PHY_TYPE_VHT:
+ txrate->flags |= IEEE80211_TX_RC_VHT_MCS;
+ txrate->idx = idx;
+ break;
+ default:
+ WARN_ON(1);
+ return;
+ }
+
+ switch (FIELD_GET(MT_RXWI_RATE_BW, rate)) {
+ case MT_PHY_BW_20:
+ break;
+ case MT_PHY_BW_40:
+ txrate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
+ break;
+ case MT_PHY_BW_80:
+ txrate->flags |= IEEE80211_TX_RC_80_MHZ_WIDTH;
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+
+ if (rate & MT_RXWI_RATE_SGI)
+ txrate->flags |= IEEE80211_TX_RC_SHORT_GI;
+}
+
+static void
+mt76x2_mac_fill_tx_status(struct mt76x2_dev *dev,
+ struct ieee80211_tx_info *info,
+ struct mt76x2_tx_status *st, int n_frames)
+{
+ struct ieee80211_tx_rate *rate = info->status.rates;
+ int cur_idx, last_rate;
+ int i;
+
+ last_rate = min_t(int, st->retry, IEEE80211_TX_MAX_RATES - 1);
+ mt76x2_mac_process_tx_rate(&rate[last_rate], st->rate,
+ dev->mt76.chandef.chan->band);
+ if (last_rate < IEEE80211_TX_MAX_RATES - 1)
+ rate[last_rate + 1].idx = -1;
+
+ cur_idx = rate[last_rate].idx + st->retry;
+ for (i = 0; i <= last_rate; i++) {
+ rate[i].flags = rate[last_rate].flags;
+ rate[i].idx = max_t(int, 0, cur_idx - i);
+ rate[i].count = 1;
+ }
+
+ if (last_rate > 0)
+ rate[last_rate - 1].count = st->retry + 1 - last_rate;
+
+ info->status.ampdu_len = n_frames;
+ info->status.ampdu_ack_len = st->success ? n_frames : 0;
+
+ if (st->pktid & MT_TXWI_PKTID_PROBE)
+ info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
+
+ if (st->aggr)
+ info->flags |= IEEE80211_TX_CTL_AMPDU |
+ IEEE80211_TX_STAT_AMPDU;
+
+ if (!st->ack_req)
+ info->flags |= IEEE80211_TX_CTL_NO_ACK;
+ else if (st->success)
+ info->flags |= IEEE80211_TX_STAT_ACK;
+}
+
+static void
+mt76x2_send_tx_status(struct mt76x2_dev *dev, struct mt76x2_tx_status *stat,
+ u8 *update)
+{
+ struct ieee80211_tx_info info = {};
+ struct ieee80211_sta *sta = NULL;
+ struct mt76_wcid *wcid = NULL;
+ struct mt76x2_sta *msta = NULL;
+
+ rcu_read_lock();
+ if (stat->wcid < ARRAY_SIZE(dev->wcid))
+ wcid = rcu_dereference(dev->wcid[stat->wcid]);
+
+ if (wcid) {
+ void *priv;
+
+ priv = msta = container_of(wcid, struct mt76x2_sta, wcid);
+ sta = container_of(priv, struct ieee80211_sta,
+ drv_priv);
+ }
+
+ if (msta && stat->aggr) {
+ u32 stat_val, stat_cache;
+
+ stat_val = stat->rate;
+ stat_val |= ((u32) stat->retry) << 16;
+ stat_cache = msta->status.rate;
+ stat_cache |= ((u32) msta->status.retry) << 16;
+
+ if (*update == 0 && stat_val == stat_cache &&
+ stat->wcid == msta->status.wcid && ++msta->n_frames < 32)
+ goto out;
+
+ mt76x2_mac_fill_tx_status(dev, &info, &msta->status,
+ msta->n_frames);
+
+ msta->status = *stat;
+ if (*update == 1) {
+ msta->n_frames = 1;
+ *update = 0;
+ } else {
+ msta->n_frames = 0;
+ }
+ } else {
+ mt76x2_mac_fill_tx_status(dev, &info, stat, 1);
+ *update = 1;
+ }
+
+ ieee80211_tx_status_noskb(mt76_hw(dev), sta, &info);
+
+out:
+ rcu_read_unlock();
+}
+
+void mt76x2_mac_poll_tx_status(struct mt76x2_dev *dev, bool irq)
+{
+ struct mt76x2_tx_status stat = {};
+ unsigned long flags;
+ u8 update = 1;
+
+ if (!test_bit(MT76_STATE_RUNNING, &dev->mt76.state))
+ return;
+
+ trace_mac_txstat_poll(dev);
+
+ while (!irq || !kfifo_is_full(&dev->txstatus_fifo)) {
+ u32 stat1, stat2;
+
+ spin_lock_irqsave(&dev->irq_lock, flags);
+ stat2 = mt76_rr(dev, MT_TX_STAT_FIFO_EXT);
+ stat1 = mt76_rr(dev, MT_TX_STAT_FIFO);
+ if (!(stat1 & MT_TX_STAT_FIFO_VALID)) {
+ spin_unlock_irqrestore(&dev->irq_lock, flags);
+ break;
+ }
+
+ spin_unlock_irqrestore(&dev->irq_lock, flags);
+
+ stat.valid = 1;
+ stat.success = !!(stat1 & MT_TX_STAT_FIFO_SUCCESS);
+ stat.aggr = !!(stat1 & MT_TX_STAT_FIFO_AGGR);
+ stat.ack_req = !!(stat1 & MT_TX_STAT_FIFO_ACKREQ);
+ stat.wcid = FIELD_GET(MT_TX_STAT_FIFO_WCID, stat1);
+ stat.rate = FIELD_GET(MT_TX_STAT_FIFO_RATE, stat1);
+ stat.retry = FIELD_GET(MT_TX_STAT_FIFO_EXT_RETRY, stat2);
+ stat.pktid = FIELD_GET(MT_TX_STAT_FIFO_EXT_PKTID, stat2);
+ trace_mac_txstat_fetch(dev, &stat);
+
+ if (!irq) {
+ mt76x2_send_tx_status(dev, &stat, &update);
+ continue;
+ }
+
+ kfifo_put(&dev->txstatus_fifo, stat);
+ }
+}
+
+static void
+mt76x2_mac_queue_txdone(struct mt76x2_dev *dev, struct sk_buff *skb,
+ void *txwi_ptr)
+{
+ struct mt76x2_tx_info *txi = mt76x2_skb_tx_info(skb);
+ struct mt76x2_txwi *txwi = txwi_ptr;
+
+ mt76x2_mac_poll_tx_status(dev, false);
+
+ txi->tries = 0;
+ txi->jiffies = jiffies;
+ txi->wcid = txwi->wcid;
+ txi->pktid = txwi->pktid;
+ trace_mac_txdone_add(dev, txwi->wcid, txwi->pktid);
+ mt76x2_tx_complete(dev, skb);
+}
+
+void mt76x2_mac_process_tx_status_fifo(struct mt76x2_dev *dev)
+{
+ struct mt76x2_tx_status stat;
+ u8 update = 1;
+
+ while (kfifo_get(&dev->txstatus_fifo, &stat))
+ mt76x2_send_tx_status(dev, &stat, &update);
+}
+
+void mt76x2_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q,
+ struct mt76_queue_entry *e, bool flush)
+{
+ struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76);
+
+ if (e->txwi)
+ mt76x2_mac_queue_txdone(dev, e->skb, &e->txwi->txwi);
+ else
+ dev_kfree_skb_any(e->skb);
+}
+
+static enum mt76x2_cipher_type
+mt76x2_mac_get_key_info(struct ieee80211_key_conf *key, u8 *key_data)
+{
+ memset(key_data, 0, 32);
+ if (!key)
+ return MT_CIPHER_NONE;
+
+ if (key->keylen > 32)
+ return MT_CIPHER_NONE;
+
+ memcpy(key_data, key->key, key->keylen);
+
+ switch (key->cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ return MT_CIPHER_WEP40;
+ case WLAN_CIPHER_SUITE_WEP104:
+ return MT_CIPHER_WEP104;
+ case WLAN_CIPHER_SUITE_TKIP:
+ return MT_CIPHER_TKIP;
+ case WLAN_CIPHER_SUITE_CCMP:
+ return MT_CIPHER_AES_CCMP;
+ default:
+ return MT_CIPHER_NONE;
+ }
+}
+
+void mt76x2_mac_wcid_setup(struct mt76x2_dev *dev, u8 idx, u8 vif_idx, u8 *mac)
+{
+ struct mt76_wcid_addr addr = {};
+ u32 attr;
+
+ attr = FIELD_PREP(MT_WCID_ATTR_BSS_IDX, vif_idx & 7) |
+ FIELD_PREP(MT_WCID_ATTR_BSS_IDX_EXT, !!(vif_idx & 8));
+
+ mt76_wr(dev, MT_WCID_ATTR(idx), attr);
+
+ if (mac)
+ memcpy(addr.macaddr, mac, ETH_ALEN);
+
+ mt76_wr_copy(dev, MT_WCID_ADDR(idx), &addr, sizeof(addr));
+}
+
+int mt76x2_mac_wcid_set_key(struct mt76x2_dev *dev, u8 idx,
+ struct ieee80211_key_conf *key)
+{
+ enum mt76x2_cipher_type cipher;
+ u8 key_data[32];
+ u8 iv_data[8];
+
+ cipher = mt76x2_mac_get_key_info(key, key_data);
+ if (cipher == MT_CIPHER_NONE && key)
+ return -EINVAL;
+
+ mt76_rmw_field(dev, MT_WCID_ATTR(idx), MT_WCID_ATTR_PKEY_MODE, cipher);
+ mt76_wr_copy(dev, MT_WCID_KEY(idx), key_data, sizeof(key_data));
+
+ memset(iv_data, 0, sizeof(iv_data));
+ if (key) {
+ mt76_rmw_field(dev, MT_WCID_ATTR(idx), MT_WCID_ATTR_PAIRWISE,
+ !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
+ iv_data[3] = key->keyidx << 6;
+ if (cipher >= MT_CIPHER_TKIP)
+ iv_data[3] |= 0x20;
+ }
+
+ mt76_wr_copy(dev, MT_WCID_IV(idx), iv_data, sizeof(iv_data));
+
+ return 0;
+}
+
+int mt76x2_mac_shared_key_setup(struct mt76x2_dev *dev, u8 vif_idx, u8 key_idx,
+ struct ieee80211_key_conf *key)
+{
+ enum mt76x2_cipher_type cipher;
+ u8 key_data[32];
+ u32 val;
+
+ cipher = mt76x2_mac_get_key_info(key, key_data);
+ if (cipher == MT_CIPHER_NONE && key)
+ return -EINVAL;
+
+ val = mt76_rr(dev, MT_SKEY_MODE(vif_idx));
+ val &= ~(MT_SKEY_MODE_MASK << MT_SKEY_MODE_SHIFT(vif_idx, key_idx));
+ val |= cipher << MT_SKEY_MODE_SHIFT(vif_idx, key_idx);
+ mt76_wr(dev, MT_SKEY_MODE(vif_idx), val);
+
+ mt76_wr_copy(dev, MT_SKEY(vif_idx, key_idx), key_data,
+ sizeof(key_data));
+
+ return 0;
+}
+
+static int
+mt76_write_beacon(struct mt76x2_dev *dev, int offset, struct sk_buff *skb)
+{
+ int beacon_len = dev->beacon_offsets[1] - dev->beacon_offsets[0];
+ struct mt76x2_txwi txwi;
+
+ if (WARN_ON_ONCE(beacon_len < skb->len + sizeof(struct mt76x2_txwi)))
+ return -ENOSPC;
+
+ mt76x2_mac_write_txwi(dev, &txwi, skb, NULL, NULL);
+ txwi.flags |= cpu_to_le16(MT_TXWI_FLAGS_TS);
+
+ mt76_wr_copy(dev, offset, &txwi, sizeof(txwi));
+ offset += sizeof(txwi);
+
+ mt76_wr_copy(dev, offset, skb->data, skb->len);
+ return 0;
+}
+
+static int
+__mt76x2_mac_set_beacon(struct mt76x2_dev *dev, u8 bcn_idx, struct sk_buff *skb)
+{
+ int beacon_len = dev->beacon_offsets[1] - dev->beacon_offsets[0];
+ int beacon_addr = dev->beacon_offsets[bcn_idx];
+ int ret = 0;
+ int i;
+
+ /* Prevent corrupt transmissions during update */
+ mt76_set(dev, MT_BCN_BYPASS_MASK, BIT(bcn_idx));
+
+ if (skb) {
+ ret = mt76_write_beacon(dev, beacon_addr, skb);
+ if (!ret)
+ dev->beacon_data_mask |= BIT(bcn_idx) &
+ dev->beacon_mask;
+ } else {
+ dev->beacon_data_mask &= ~BIT(bcn_idx);
+ for (i = 0; i < beacon_len; i += 4)
+ mt76_wr(dev, beacon_addr + i, 0);
+ }
+
+ mt76_wr(dev, MT_BCN_BYPASS_MASK, 0xff00 | ~dev->beacon_data_mask);
+
+ return ret;
+}
+
+int mt76x2_mac_set_beacon(struct mt76x2_dev *dev, u8 vif_idx,
+ struct sk_buff *skb)
+{
+ bool force_update = false;
+ int bcn_idx = 0;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dev->beacons); i++) {
+ if (vif_idx == i) {
+ force_update = !!dev->beacons[i] ^ !!skb;
+
+ if (dev->beacons[i])
+ dev_kfree_skb(dev->beacons[i]);
+
+ dev->beacons[i] = skb;
+ __mt76x2_mac_set_beacon(dev, bcn_idx, skb);
+ } else if (force_update && dev->beacons[i]) {
+ __mt76x2_mac_set_beacon(dev, bcn_idx, dev->beacons[i]);
+ }
+
+ bcn_idx += !!dev->beacons[i];
+ }
+
+ for (i = bcn_idx; i < ARRAY_SIZE(dev->beacons); i++) {
+ if (!(dev->beacon_data_mask & BIT(i)))
+ break;
+
+ __mt76x2_mac_set_beacon(dev, i, NULL);
+ }
+
+ mt76_rmw_field(dev, MT_MAC_BSSID_DW1, MT_MAC_BSSID_DW1_MBEACON_N,
+ bcn_idx - 1);
+ return 0;
+}
+
+void mt76x2_mac_set_beacon_enable(struct mt76x2_dev *dev, u8 vif_idx, bool val)
+{
+ u8 old_mask = dev->beacon_mask;
+ bool en;
+ u32 reg;
+
+ if (val) {
+ dev->beacon_mask |= BIT(vif_idx);
+ } else {
+ dev->beacon_mask &= ~BIT(vif_idx);
+ mt76x2_mac_set_beacon(dev, vif_idx, NULL);
+ }
+
+ if (!!old_mask == !!dev->beacon_mask)
+ return;
+
+ en = dev->beacon_mask;
+
+ mt76_rmw_field(dev, MT_INT_TIMER_EN, MT_INT_TIMER_EN_PRE_TBTT_EN, en);
+ reg = MT_BEACON_TIME_CFG_BEACON_TX |
+ MT_BEACON_TIME_CFG_TBTT_EN |
+ MT_BEACON_TIME_CFG_TIMER_EN;
+ mt76_rmw(dev, MT_BEACON_TIME_CFG, reg, reg * en);
+
+ if (en)
+ mt76x2_irq_enable(dev, MT_INT_PRE_TBTT | MT_INT_TBTT);
+ else
+ mt76x2_irq_disable(dev, MT_INT_PRE_TBTT | MT_INT_TBTT);
+}
+
+void mt76x2_update_channel(struct mt76_dev *mdev)
+{
+ struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76);
+ struct mt76_channel_state *state;
+ u32 active, busy;
+
+ state = mt76_channel_state(&dev->mt76, dev->mt76.chandef.chan);
+
+ busy = mt76_rr(dev, MT_CH_BUSY);
+ active = busy + mt76_rr(dev, MT_CH_IDLE);
+
+ spin_lock_bh(&dev->mt76.cc_lock);
+ state->cc_busy += busy;
+ state->cc_active += active;
+ spin_unlock_bh(&dev->mt76.cc_lock);
+}
+
+void mt76x2_mac_work(struct work_struct *work)
+{
+ struct mt76x2_dev *dev = container_of(work, struct mt76x2_dev,
+ mac_work.work);
+ int i, idx;
+
+ mt76x2_update_channel(&dev->mt76);
+ for (i = 0, idx = 0; i < 16; i++) {
+ u32 val = mt76_rr(dev, MT_TX_AGG_CNT(i));
+
+ dev->aggr_stats[idx++] += val & 0xffff;
+ dev->aggr_stats[idx++] += val >> 16;
+ }
+
+ ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mac_work,
+ MT_CALIBRATE_INTERVAL);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mac.h b/drivers/net/wireless/mediatek/mt76/mt76x2_mac.h
new file mode 100644
index 0000000..3012880
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mac.h
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef __MT76x2_MAC_H
+#define __MT76x2_MAC_H
+
+#include "mt76.h"
+
+struct mt76x2_dev;
+struct mt76x2_sta;
+struct mt76x2_vif;
+struct mt76x2_txwi;
+
+struct mt76x2_tx_status {
+ u8 valid:1;
+ u8 success:1;
+ u8 aggr:1;
+ u8 ack_req:1;
+ u8 wcid;
+ u8 pktid;
+ u8 retry;
+ u16 rate;
+} __packed __aligned(2);
+
+struct mt76x2_tx_info {
+ unsigned long jiffies;
+ u8 tries;
+
+ u8 wcid;
+ u8 pktid;
+ u8 retry;
+};
+
+struct mt76x2_rxwi {
+ __le32 rxinfo;
+
+ __le32 ctl;
+
+ __le16 tid_sn;
+ __le16 rate;
+
+ u8 rssi[4];
+
+ __le32 bbp_rxinfo[4];
+};
+
+#define MT_RXINFO_BA BIT(0)
+#define MT_RXINFO_DATA BIT(1)
+#define MT_RXINFO_NULL BIT(2)
+#define MT_RXINFO_FRAG BIT(3)
+#define MT_RXINFO_UNICAST BIT(4)
+#define MT_RXINFO_MULTICAST BIT(5)
+#define MT_RXINFO_BROADCAST BIT(6)
+#define MT_RXINFO_MYBSS BIT(7)
+#define MT_RXINFO_CRCERR BIT(8)
+#define MT_RXINFO_ICVERR BIT(9)
+#define MT_RXINFO_MICERR BIT(10)
+#define MT_RXINFO_AMSDU BIT(11)
+#define MT_RXINFO_HTC BIT(12)
+#define MT_RXINFO_RSSI BIT(13)
+#define MT_RXINFO_L2PAD BIT(14)
+#define MT_RXINFO_AMPDU BIT(15)
+#define MT_RXINFO_DECRYPT BIT(16)
+#define MT_RXINFO_BSSIDX3 BIT(17)
+#define MT_RXINFO_WAPI_KEY BIT(18)
+#define MT_RXINFO_PN_LEN GENMASK(21, 19)
+#define MT_RXINFO_SW_FTYPE0 BIT(22)
+#define MT_RXINFO_SW_FTYPE1 BIT(23)
+#define MT_RXINFO_PROBE_RESP BIT(24)
+#define MT_RXINFO_BEACON BIT(25)
+#define MT_RXINFO_DISASSOC BIT(26)
+#define MT_RXINFO_DEAUTH BIT(27)
+#define MT_RXINFO_ACTION BIT(28)
+#define MT_RXINFO_TCP_SUM_ERR BIT(30)
+#define MT_RXINFO_IP_SUM_ERR BIT(31)
+
+#define MT_RXWI_CTL_WCID GENMASK(7, 0)
+#define MT_RXWI_CTL_KEY_IDX GENMASK(9, 8)
+#define MT_RXWI_CTL_BSS_IDX GENMASK(12, 10)
+#define MT_RXWI_CTL_UDF GENMASK(15, 13)
+#define MT_RXWI_CTL_MPDU_LEN GENMASK(29, 16)
+#define MT_RXWI_CTL_EOF BIT(31)
+
+#define MT_RXWI_TID GENMASK(3, 0)
+#define MT_RXWI_SN GENMASK(15, 4)
+
+#define MT_RXWI_RATE_INDEX GENMASK(5, 0)
+#define MT_RXWI_RATE_LDPC BIT(6)
+#define MT_RXWI_RATE_BW GENMASK(8, 7)
+#define MT_RXWI_RATE_SGI BIT(9)
+#define MT_RXWI_RATE_STBC BIT(10)
+#define MT_RXWI_RATE_LDPC_EXSYM BIT(11)
+#define MT_RXWI_RATE_PHY GENMASK(15, 13)
+
+#define MT_RATE_INDEX_VHT_IDX GENMASK(3, 0)
+#define MT_RATE_INDEX_VHT_NSS GENMASK(5, 4)
+
+#define MT_TX_PWR_ADJ GENMASK(3, 0)
+
+enum mt76x2_phy_bandwidth {
+ MT_PHY_BW_20,
+ MT_PHY_BW_40,
+ MT_PHY_BW_80,
+};
+
+#define MT_TXWI_FLAGS_FRAG BIT(0)
+#define MT_TXWI_FLAGS_MMPS BIT(1)
+#define MT_TXWI_FLAGS_CFACK BIT(2)
+#define MT_TXWI_FLAGS_TS BIT(3)
+#define MT_TXWI_FLAGS_AMPDU BIT(4)
+#define MT_TXWI_FLAGS_MPDU_DENSITY GENMASK(7, 5)
+#define MT_TXWI_FLAGS_TXOP GENMASK(9, 8)
+#define MT_TXWI_FLAGS_NDPS BIT(10)
+#define MT_TXWI_FLAGS_RTSBWSIG BIT(11)
+#define MT_TXWI_FLAGS_NDP_BW GENMASK(13, 12)
+#define MT_TXWI_FLAGS_SOUND BIT(14)
+#define MT_TXWI_FLAGS_TX_RATE_LUT BIT(15)
+
+#define MT_TXWI_ACK_CTL_REQ BIT(0)
+#define MT_TXWI_ACK_CTL_NSEQ BIT(1)
+#define MT_TXWI_ACK_CTL_BA_WINDOW GENMASK(7, 2)
+
+#define MT_TXWI_PKTID_PROBE BIT(7)
+
+struct mt76x2_txwi {
+ __le16 flags;
+ __le16 rate;
+ u8 ack_ctl;
+ u8 wcid;
+ __le16 len_ctl;
+ __le32 iv;
+ __le32 eiv;
+ u8 aid;
+ u8 txstream;
+ u8 ctl2;
+ u8 pktid;
+} __packed __aligned(4);
+
+static inline struct mt76x2_tx_info *
+mt76x2_skb_tx_info(struct sk_buff *skb)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+ return (void *) info->status.status_driver_data;
+}
+
+int mt76x2_mac_reset(struct mt76x2_dev *dev, bool hard);
+int mt76x2_mac_start(struct mt76x2_dev *dev);
+void mt76x2_mac_stop(struct mt76x2_dev *dev, bool force);
+void mt76x2_mac_resume(struct mt76x2_dev *dev);
+void mt76x2_mac_set_bssid(struct mt76x2_dev *dev, u8 idx, const u8 *addr);
+
+int mt76x2_mac_process_rx(struct mt76x2_dev *dev, struct sk_buff *skb,
+ void *rxwi);
+void mt76x2_mac_write_txwi(struct mt76x2_dev *dev, struct mt76x2_txwi *txwi,
+ struct sk_buff *skb, struct mt76_wcid *wcid,
+ struct ieee80211_sta *sta);
+void mt76x2_mac_wcid_setup(struct mt76x2_dev *dev, u8 idx, u8 vif_idx, u8 *mac);
+int mt76x2_mac_wcid_set_key(struct mt76x2_dev *dev, u8 idx,
+ struct ieee80211_key_conf *key);
+void mt76x2_mac_wcid_set_rate(struct mt76x2_dev *dev, struct mt76_wcid *wcid,
+ const struct ieee80211_tx_rate *rate);
+
+int mt76x2_mac_shared_key_setup(struct mt76x2_dev *dev, u8 vif_idx, u8 key_idx,
+ struct ieee80211_key_conf *key);
+
+int mt76x2_mac_set_beacon(struct mt76x2_dev *dev, u8 vif_idx,
+ struct sk_buff *skb);
+void mt76x2_mac_set_beacon_enable(struct mt76x2_dev *dev, u8 vif_idx, bool val);
+
+void mt76x2_mac_poll_tx_status(struct mt76x2_dev *dev, bool irq);
+void mt76x2_mac_process_tx_status_fifo(struct mt76x2_dev *dev);
+
+void mt76x2_mac_work(struct work_struct *work);
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_main.c b/drivers/net/wireless/mediatek/mt76/mt76x2_main.c
new file mode 100644
index 0000000..1cd648e
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_main.c
@@ -0,0 +1,532 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "mt76x2.h"
+
+static int
+mt76x2_start(struct ieee80211_hw *hw)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ int ret;
+
+ mutex_lock(&dev->mutex);
+
+ ret = mt76x2_mac_start(dev);
+ if (ret)
+ goto out;
+
+ ret = mt76x2_phy_start(dev);
+ if (ret)
+ goto out;
+
+ ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mac_work,
+ MT_CALIBRATE_INTERVAL);
+
+ set_bit(MT76_STATE_RUNNING, &dev->mt76.state);
+
+out:
+ mutex_unlock(&dev->mutex);
+ return ret;
+}
+
+static void
+mt76x2_stop(struct ieee80211_hw *hw)
+{
+ struct mt76x2_dev *dev = hw->priv;
+
+ mutex_lock(&dev->mutex);
+ clear_bit(MT76_STATE_RUNNING, &dev->mt76.state);
+ mt76x2_stop_hardware(dev);
+ mutex_unlock(&dev->mutex);
+}
+
+static void
+mt76x2_txq_init(struct mt76x2_dev *dev, struct ieee80211_txq *txq)
+{
+ struct mt76_txq *mtxq;
+
+ if (!txq)
+ return;
+
+ mtxq = (struct mt76_txq *) txq->drv_priv;
+ if (txq->sta) {
+ struct mt76x2_sta *sta;
+
+ sta = (struct mt76x2_sta *) txq->sta->drv_priv;
+ mtxq->wcid = &sta->wcid;
+ } else {
+ struct mt76x2_vif *mvif;
+
+ mvif = (struct mt76x2_vif *) txq->vif->drv_priv;
+ mtxq->wcid = &mvif->group_wcid;
+ }
+
+ mt76_txq_init(&dev->mt76, txq);
+}
+
+static int
+mt76x2_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv;
+ unsigned int idx = 0;
+ int ret = 0;
+
+ if (vif->addr[0] & BIT(1))
+ idx = 1 + (((dev->mt76.macaddr[0] ^ vif->addr[0]) >> 2) & 7);
+
+ /*
+ * Client mode typically only has one configurable BSSID register,
+ * which is used for bssidx=0. This is linked to the MAC address.
+ * Since mac80211 allows changing interface types, and we cannot
+ * force the use of the primary MAC address for a station mode
+ * interface, we need some other way of configuring a per-interface
+ * remote BSSID.
+ * The hardware provides an AP-Client feature, where bssidx 0-7 are
+ * used for AP mode and bssidx 8-15 for client mode.
+ * We shift the station interface bss index by 8 to force the
+ * hardware to recognize the BSSID.
+ * The resulting bssidx mismatch for unicast frames is ignored by hw.
+ */
+ if (vif->type == NL80211_IFTYPE_STATION)
+ idx += 8;
+
+ mvif->idx = idx;
+ mvif->group_wcid.idx = 254 - idx;
+ mvif->group_wcid.hw_key_idx = -1;
+ mt76x2_txq_init(dev, vif->txq);
+
+ return ret;
+}
+
+static void
+mt76x2_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+ struct mt76x2_dev *dev = hw->priv;
+
+ mt76_txq_remove(&dev->mt76, vif->txq);
+}
+
+static int
+mt76x2_set_channel(struct mt76x2_dev *dev, struct cfg80211_chan_def *chandef)
+{
+ int ret;
+
+ mt76_set_channel(&dev->mt76);
+
+ tasklet_disable(&dev->pre_tbtt_tasklet);
+ cancel_delayed_work_sync(&dev->cal_work);
+
+ mt76x2_mac_stop(dev, true);
+ ret = mt76x2_phy_set_channel(dev, chandef);
+
+ /* channel cycle counters read-and-clear */
+ mt76_rr(dev, MT_CH_IDLE);
+ mt76_rr(dev, MT_CH_BUSY);
+
+ mt76x2_mac_resume(dev);
+ tasklet_enable(&dev->pre_tbtt_tasklet);
+
+ return ret;
+}
+
+static int
+mt76x2_config(struct ieee80211_hw *hw, u32 changed)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ int ret = 0;
+
+ mutex_lock(&dev->mutex);
+
+ if (changed & IEEE80211_CONF_CHANGE_POWER) {
+ dev->txpower_conf = hw->conf.power_level * 2;
+
+ if (test_bit(MT76_STATE_RUNNING, &dev->mt76.state)) {
+ mt76x2_phy_set_txpower(dev);
+ mt76x2_tx_set_txpwr_auto(dev, dev->txpower_conf);
+ }
+ }
+
+ if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+ ieee80211_stop_queues(hw);
+ ret = mt76x2_set_channel(dev, &hw->conf.chandef);
+ ieee80211_wake_queues(hw);
+ }
+
+ mutex_unlock(&dev->mutex);
+
+ return ret;
+}
+
+static void
+mt76x2_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags,
+ unsigned int *total_flags, u64 multicast)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ u32 flags = 0;
+
+#define MT76_FILTER(_flag, _hw) do { \
+ flags |= *total_flags & FIF_##_flag; \
+ dev->rxfilter &= ~(_hw); \
+ dev->rxfilter |= !(flags & FIF_##_flag) * (_hw); \
+ } while (0)
+
+ mutex_lock(&dev->mutex);
+
+ dev->rxfilter &= ~MT_RX_FILTR_CFG_OTHER_BSS;
+
+ MT76_FILTER(FCSFAIL, MT_RX_FILTR_CFG_CRC_ERR);
+ MT76_FILTER(PLCPFAIL, MT_RX_FILTR_CFG_PHY_ERR);
+ MT76_FILTER(CONTROL, MT_RX_FILTR_CFG_ACK |
+ MT_RX_FILTR_CFG_CTS |
+ MT_RX_FILTR_CFG_CFEND |
+ MT_RX_FILTR_CFG_CFACK |
+ MT_RX_FILTR_CFG_BA |
+ MT_RX_FILTR_CFG_CTRL_RSV);
+ MT76_FILTER(PSPOLL, MT_RX_FILTR_CFG_PSPOLL);
+
+ *total_flags = flags;
+ mt76_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter);
+
+ mutex_unlock(&dev->mutex);
+}
+
+static void
+mt76x2_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info, u32 changed)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv;
+
+ mutex_lock(&dev->mutex);
+
+ if (changed & BSS_CHANGED_BSSID)
+ mt76x2_mac_set_bssid(dev, mvif->idx, info->bssid);
+
+ if (changed & BSS_CHANGED_BEACON_INT)
+ mt76_rmw_field(dev, MT_BEACON_TIME_CFG,
+ MT_BEACON_TIME_CFG_INTVAL,
+ info->beacon_int << 4);
+
+ if (changed & BSS_CHANGED_BEACON_ENABLED) {
+ tasklet_disable(&dev->pre_tbtt_tasklet);
+ mt76x2_mac_set_beacon_enable(dev, mvif->idx,
+ info->enable_beacon);
+ tasklet_enable(&dev->pre_tbtt_tasklet);
+ }
+
+ if (changed & BSS_CHANGED_ERP_SLOT) {
+ int slottime = info->use_short_slot ? 9 : 20;
+
+ dev->slottime = slottime;
+ mt76_rmw_field(dev, MT_BKOFF_SLOT_CFG,
+ MT_BKOFF_SLOT_CFG_SLOTTIME, slottime);
+ }
+
+ mutex_unlock(&dev->mutex);
+}
+
+static int
+mt76x2_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv;
+ struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv;
+ int ret = 0;
+ int idx = 0;
+ int i;
+
+ mutex_lock(&dev->mutex);
+
+ idx = mt76_wcid_alloc(dev->wcid_mask, ARRAY_SIZE(dev->wcid));
+ if (idx < 0) {
+ ret = -ENOSPC;
+ goto out;
+ }
+
+ msta->wcid.idx = idx;
+ msta->wcid.hw_key_idx = -1;
+ mt76x2_mac_wcid_setup(dev, idx, mvif->idx, sta->addr);
+ mt76_clear(dev, MT_WCID_DROP(idx), MT_WCID_DROP_MASK(idx));
+ for (i = 0; i < ARRAY_SIZE(sta->txq); i++)
+ mt76x2_txq_init(dev, sta->txq[i]);
+
+ rcu_assign_pointer(dev->wcid[idx], &msta->wcid);
+
+out:
+ mutex_unlock(&dev->mutex);
+
+ return ret;
+}
+
+static int
+mt76x2_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv;
+ int idx = msta->wcid.idx;
+ int i;
+
+ mutex_lock(&dev->mutex);
+ rcu_assign_pointer(dev->wcid[idx], NULL);
+ for (i = 0; i < ARRAY_SIZE(sta->txq); i++)
+ mt76_txq_remove(&dev->mt76, sta->txq[i]);
+ mt76_set(dev, MT_WCID_DROP(idx), MT_WCID_DROP_MASK(idx));
+ mt76_wcid_free(dev->wcid_mask, idx);
+ mt76x2_mac_wcid_setup(dev, idx, 0, NULL);
+ mutex_unlock(&dev->mutex);
+
+ return 0;
+}
+
+static void
+mt76x2_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ enum sta_notify_cmd cmd, struct ieee80211_sta *sta)
+{
+ struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv;
+ struct mt76x2_dev *dev = hw->priv;
+ int idx = msta->wcid.idx;
+
+ switch (cmd) {
+ case STA_NOTIFY_SLEEP:
+ mt76_set(dev, MT_WCID_DROP(idx), MT_WCID_DROP_MASK(idx));
+ mt76_stop_tx_queues(&dev->mt76, sta, true);
+ break;
+ case STA_NOTIFY_AWAKE:
+ mt76_clear(dev, MT_WCID_DROP(idx), MT_WCID_DROP_MASK(idx));
+ break;
+ }
+}
+
+static int
+mt76x2_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+ struct ieee80211_vif *vif, struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv;
+ struct mt76x2_sta *msta;
+ struct mt76_wcid *wcid;
+ int idx = key->keyidx;
+ int ret;
+
+ msta = sta ? (struct mt76x2_sta *) sta->drv_priv : NULL;
+ wcid = msta ? &msta->wcid : &mvif->group_wcid;
+
+ if (cmd == SET_KEY) {
+ key->hw_key_idx = wcid->idx;
+ wcid->hw_key_idx = idx;
+ } else {
+ if (idx == wcid->hw_key_idx)
+ wcid->hw_key_idx = -1;
+
+ key = NULL;
+ }
+
+ if (!msta) {
+ if (key || wcid->hw_key_idx == idx) {
+ ret = mt76x2_mac_wcid_set_key(dev, wcid->idx, key);
+ if (ret)
+ return ret;
+ }
+
+ return mt76x2_mac_shared_key_setup(dev, mvif->idx, idx, key);
+ }
+
+ return mt76x2_mac_wcid_set_key(dev, msta->wcid.idx, key);
+}
+
+static int
+mt76x2_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
+ const struct ieee80211_tx_queue_params *params)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ u8 cw_min = 5, cw_max = 10;
+ u32 val;
+
+ if (params->cw_min)
+ cw_min = fls(params->cw_min);
+ if (params->cw_max)
+ cw_max = fls(params->cw_max);
+
+ val = FIELD_PREP(MT_EDCA_CFG_TXOP, params->txop) |
+ FIELD_PREP(MT_EDCA_CFG_AIFSN, params->aifs) |
+ FIELD_PREP(MT_EDCA_CFG_CWMIN, cw_min) |
+ FIELD_PREP(MT_EDCA_CFG_CWMAX, cw_max);
+ mt76_wr(dev, MT_EDCA_CFG_AC(queue), val);
+
+ val = mt76_rr(dev, MT_WMM_TXOP(queue));
+ val &= ~(MT_WMM_TXOP_MASK << MT_WMM_TXOP_SHIFT(queue));
+ val |= params->txop << MT_WMM_TXOP_SHIFT(queue);
+ mt76_wr(dev, MT_WMM_TXOP(queue), val);
+
+ val = mt76_rr(dev, MT_WMM_AIFSN);
+ val &= ~(MT_WMM_AIFSN_MASK << MT_WMM_AIFSN_SHIFT(queue));
+ val |= params->aifs << MT_WMM_AIFSN_SHIFT(queue);
+ mt76_wr(dev, MT_WMM_AIFSN, val);
+
+ val = mt76_rr(dev, MT_WMM_CWMIN);
+ val &= ~(MT_WMM_CWMIN_MASK << MT_WMM_CWMIN_SHIFT(queue));
+ val |= cw_min << MT_WMM_CWMIN_SHIFT(queue);
+ mt76_wr(dev, MT_WMM_CWMIN, val);
+
+ val = mt76_rr(dev, MT_WMM_CWMAX);
+ val &= ~(MT_WMM_CWMAX_MASK << MT_WMM_CWMAX_SHIFT(queue));
+ val |= cw_max << MT_WMM_CWMAX_SHIFT(queue);
+ mt76_wr(dev, MT_WMM_CWMAX, val);
+
+ return 0;
+}
+
+static void
+mt76x2_sw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ const u8 *mac)
+{
+ struct mt76x2_dev *dev = hw->priv;
+
+ tasklet_disable(&dev->pre_tbtt_tasklet);
+ set_bit(MT76_SCANNING, &dev->mt76.state);
+}
+
+static void
+mt76x2_sw_scan_complete(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+ struct mt76x2_dev *dev = hw->priv;
+
+ clear_bit(MT76_SCANNING, &dev->mt76.state);
+ tasklet_enable(&dev->pre_tbtt_tasklet);
+ mt76_txq_schedule_all(&dev->mt76);
+}
+
+static void
+mt76x2_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ u32 queues, bool drop)
+{
+}
+
+static int
+mt76x2_get_txpower(struct ieee80211_hw *hw, struct ieee80211_vif *vif, int *dbm)
+{
+ struct mt76x2_dev *dev = hw->priv;
+
+ *dbm = dev->txpower_cur / 2;
+ return 0;
+}
+
+static int
+mt76x2_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_ampdu_params *params)
+{
+ enum ieee80211_ampdu_mlme_action action = params->action;
+ struct ieee80211_sta *sta = params->sta;
+ struct mt76x2_dev *dev = hw->priv;
+ struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv;
+ struct ieee80211_txq *txq = sta->txq[params->tid];
+ struct mt76_txq *mtxq = (struct mt76_txq *) txq->drv_priv;
+ u16 tid = params->tid;
+ u16 *ssn = ¶ms->ssn;
+
+ if (!txq)
+ return -EINVAL;
+
+ switch (action) {
+ case IEEE80211_AMPDU_RX_START:
+ mt76_set(dev, MT_WCID_ADDR(msta->wcid.idx) + 4, BIT(16 + tid));
+ break;
+ case IEEE80211_AMPDU_RX_STOP:
+ mt76_clear(dev, MT_WCID_ADDR(msta->wcid.idx) + 4,
+ BIT(16 + tid));
+ break;
+ case IEEE80211_AMPDU_TX_OPERATIONAL:
+ mtxq->aggr = true;
+ mtxq->send_bar = false;
+ ieee80211_send_bar(vif, sta->addr, tid, mtxq->agg_ssn);
+ break;
+ case IEEE80211_AMPDU_TX_STOP_FLUSH:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
+ mtxq->aggr = false;
+ ieee80211_send_bar(vif, sta->addr, tid, mtxq->agg_ssn);
+ break;
+ case IEEE80211_AMPDU_TX_START:
+ mtxq->agg_ssn = *ssn << 4;
+ ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+ break;
+ case IEEE80211_AMPDU_TX_STOP_CONT:
+ mtxq->aggr = false;
+ ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+ break;
+ }
+
+ return 0;
+}
+
+static void
+mt76x2_sta_rate_tbl_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct mt76x2_dev *dev = hw->priv;
+ struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv;
+ struct ieee80211_sta_rates *rates = rcu_dereference(sta->rates);
+ struct ieee80211_tx_rate rate = {};
+
+ if (!rates)
+ return;
+
+ rate.idx = rates->rate[0].idx;
+ rate.flags = rates->rate[0].flags;
+ mt76x2_mac_wcid_set_rate(dev, &msta->wcid, &rate);
+ msta->wcid.max_txpwr_adj = mt76x2_tx_get_max_txpwr_adj(dev, &rate);
+}
+
+static void mt76x2_set_coverage_class(struct ieee80211_hw *hw,
+ s16 coverage_class)
+{
+ struct mt76x2_dev *dev = hw->priv;
+
+ mutex_lock(&dev->mutex);
+ dev->coverage_class = coverage_class;
+ mt76x2_set_tx_ackto(dev);
+ mutex_unlock(&dev->mutex);
+}
+
+const struct ieee80211_ops mt76x2_ops = {
+ .tx = mt76x2_tx,
+ .start = mt76x2_start,
+ .stop = mt76x2_stop,
+ .add_interface = mt76x2_add_interface,
+ .remove_interface = mt76x2_remove_interface,
+ .config = mt76x2_config,
+ .configure_filter = mt76x2_configure_filter,
+ .bss_info_changed = mt76x2_bss_info_changed,
+ .sta_add = mt76x2_sta_add,
+ .sta_remove = mt76x2_sta_remove,
+ .sta_notify = mt76x2_sta_notify,
+ .set_key = mt76x2_set_key,
+ .conf_tx = mt76x2_conf_tx,
+ .sw_scan_start = mt76x2_sw_scan,
+ .sw_scan_complete = mt76x2_sw_scan_complete,
+ .flush = mt76x2_flush,
+ .ampdu_action = mt76x2_ampdu_action,
+ .get_txpower = mt76x2_get_txpower,
+ .wake_tx_queue = mt76_wake_tx_queue,
+ .sta_rate_tbl_update = mt76x2_sta_rate_tbl_update,
+ .release_buffered_frames = mt76_release_buffered_frames,
+ .set_coverage_class = mt76x2_set_coverage_class,
+ .get_survey = mt76_get_survey,
+};
+
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.c
new file mode 100644
index 0000000..4c94f84
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.c
@@ -0,0 +1,452 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/kernel.h>
+#include <linux/firmware.h>
+#include <linux/delay.h>
+
+#include "mt76x2.h"
+#include "mt76x2_mcu.h"
+#include "mt76x2_dma.h"
+#include "mt76x2_eeprom.h"
+
+struct mt76x2_fw_header {
+ __le32 ilm_len;
+ __le32 dlm_len;
+ __le16 build_ver;
+ __le16 fw_ver;
+ u8 pad[4];
+ char build_time[16];
+};
+
+struct mt76x2_patch_header {
+ char build_time[16];
+ char platform[4];
+ char hw_version[4];
+ char patch_version[4];
+ u8 pad[2];
+};
+
+static struct sk_buff *
+mt76x2_mcu_msg_alloc(struct mt76x2_dev *dev, const void *data, int len)
+{
+ struct sk_buff *skb;
+
+ skb = alloc_skb(len, GFP_KERNEL);
+ memcpy(skb_put(skb, len), data, len);
+
+ return skb;
+}
+
+static struct sk_buff *
+mt76x2_mcu_get_response(struct mt76x2_dev *dev, unsigned long expires)
+{
+ unsigned long timeout;
+
+ if (!time_is_after_jiffies(expires))
+ return NULL;
+
+ timeout = expires - jiffies;
+ wait_event_timeout(dev->mcu.wait, !skb_queue_empty(&dev->mcu.res_q),
+ timeout);
+ return skb_dequeue(&dev->mcu.res_q);
+}
+
+static int
+mt76x2_mcu_msg_send(struct mt76x2_dev *dev, struct sk_buff *skb,
+ enum mcu_cmd cmd)
+{
+ unsigned long expires = jiffies + HZ;
+ int ret;
+ u8 seq;
+
+ if (!skb)
+ return -EINVAL;
+
+ mutex_lock(&dev->mcu.mutex);
+
+ seq = ++dev->mcu.msg_seq & 0xf;
+ if (!seq)
+ seq = ++dev->mcu.msg_seq & 0xf;
+
+ ret = mt76x2_tx_queue_mcu(dev, MT_TXQ_MCU, skb, cmd, seq);
+ if (ret)
+ goto out;
+
+ while (1) {
+ u32 *rxfce;
+ bool check_seq = false;
+
+ skb = mt76x2_mcu_get_response(dev, expires);
+ if (!skb) {
+ dev_err(dev->mt76.dev,
+ "MCU message %d (seq %d) timed out\n", cmd,
+ seq);
+ ret = -ETIMEDOUT;
+ break;
+ }
+
+ rxfce = (u32 *) skb->cb;
+
+ if (seq == FIELD_GET(MT_RX_FCE_INFO_CMD_SEQ, *rxfce))
+ check_seq = true;
+
+ dev_kfree_skb(skb);
+ if (check_seq)
+ break;
+ }
+
+out:
+ mutex_unlock(&dev->mcu.mutex);
+
+ return ret;
+}
+
+static int
+mt76pci_load_rom_patch(struct mt76x2_dev *dev)
+{
+ const struct firmware *fw = NULL;
+ struct mt76x2_patch_header *hdr;
+ bool rom_protect = !is_mt7612(dev);
+ int len, ret = 0;
+ __le32 *cur;
+ u32 patch_mask, patch_reg;
+
+ if (rom_protect && !mt76_poll(dev, MT_MCU_SEMAPHORE_03, 1, 1, 600)) {
+ dev_err(dev->mt76.dev,
+ "Could not get hardware semaphore for ROM PATCH\n");
+ return -ETIMEDOUT;
+ }
+
+ if (mt76xx_rev(dev) >= MT76XX_REV_E3) {
+ patch_mask = BIT(0);
+ patch_reg = MT_MCU_CLOCK_CTL;
+ } else {
+ patch_mask = BIT(1);
+ patch_reg = MT_MCU_COM_REG0;
+ }
+
+ if (rom_protect && (mt76_rr(dev, patch_reg) & patch_mask)) {
+ dev_info(dev->mt76.dev, "ROM patch already applied\n");
+ goto out;
+ }
+
+ ret = request_firmware(&fw, MT7662_ROM_PATCH, dev->mt76.dev);
+ if (ret)
+ goto out;
+
+ if (!fw || !fw->data || fw->size <= sizeof(*hdr)) {
+ ret = -EIO;
+ dev_err(dev->mt76.dev, "Failed to load firmware\n");
+ goto out;
+ }
+
+ hdr = (struct mt76x2_patch_header *) fw->data;
+ dev_info(dev->mt76.dev, "ROM patch build: %.15s\n", hdr->build_time);
+
+ mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, MT_MCU_ROM_PATCH_OFFSET);
+
+ cur = (__le32 *) (fw->data + sizeof(*hdr));
+ len = fw->size - sizeof(*hdr);
+ mt76_wr_copy(dev, MT_MCU_ROM_PATCH_ADDR, cur, len);
+
+ mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, 0);
+
+ /* Trigger ROM */
+ mt76_wr(dev, MT_MCU_INT_LEVEL, 4);
+
+ if (!mt76_poll_msec(dev, patch_reg, patch_mask, patch_mask, 2000)) {
+ dev_err(dev->mt76.dev, "Failed to load ROM patch\n");
+ ret = -ETIMEDOUT;
+ }
+
+out:
+ /* release semaphore */
+ if (rom_protect)
+ mt76_wr(dev, MT_MCU_SEMAPHORE_03, 1);
+ release_firmware(fw);
+ return ret;
+}
+
+static int
+mt76pci_load_firmware(struct mt76x2_dev *dev)
+{
+ const struct firmware *fw;
+ const struct mt76x2_fw_header *hdr;
+ int i, len, ret;
+ __le32 *cur;
+ u32 offset, val;
+
+ ret = request_firmware(&fw, MT7662_FIRMWARE, dev->mt76.dev);
+ if (ret)
+ return ret;
+
+ if (!fw || !fw->data || fw->size < sizeof(*hdr))
+ goto error;
+
+ hdr = (const struct mt76x2_fw_header *) fw->data;
+
+ len = sizeof(*hdr);
+ len += le32_to_cpu(hdr->ilm_len);
+ len += le32_to_cpu(hdr->dlm_len);
+
+ if (fw->size != len)
+ goto error;
+
+ val = le16_to_cpu(hdr->fw_ver);
+ dev_info(dev->mt76.dev, "Firmware Version: %d.%d.%02d\n",
+ (val >> 12) & 0xf, (val >> 8) & 0xf, val & 0xf);
+
+ val = le16_to_cpu(hdr->build_ver);
+ dev_info(dev->mt76.dev, "Build: %x\n", val);
+ dev_info(dev->mt76.dev, "Build Time: %.16s\n", hdr->build_time);
+
+ cur = (__le32 *) (fw->data + sizeof(*hdr));
+ len = le32_to_cpu(hdr->ilm_len);
+
+ mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, MT_MCU_ILM_OFFSET);
+ mt76_wr_copy(dev, MT_MCU_ILM_ADDR, cur, len);
+
+ cur += len / sizeof(*cur);
+ len = le32_to_cpu(hdr->dlm_len);
+
+ if (mt76xx_rev(dev) >= MT76XX_REV_E3)
+ offset = MT_MCU_DLM_ADDR_E3;
+ else
+ offset = MT_MCU_DLM_ADDR;
+
+ mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, MT_MCU_DLM_OFFSET);
+ mt76_wr_copy(dev, offset, cur, len);
+
+ mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, 0);
+
+ val = mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_2);
+ if (FIELD_GET(MT_EE_NIC_CONF_2_XTAL_OPTION, val) == 1)
+ mt76_set(dev, MT_MCU_COM_REG0, BIT(30));
+
+ /* trigger firmware */
+ mt76_wr(dev, MT_MCU_INT_LEVEL, 2);
+ for (i = 200; i > 0; i--) {
+ val = mt76_rr(dev, MT_MCU_COM_REG0);
+
+ if (val & 1)
+ break;
+
+ msleep(10);
+ }
+
+ if (!i) {
+ dev_err(dev->mt76.dev, "Firmware failed to start\n");
+ release_firmware(fw);
+ return -ETIMEDOUT;
+ }
+
+ dev_info(dev->mt76.dev, "Firmware running!\n");
+
+ release_firmware(fw);
+
+ return ret;
+
+error:
+ dev_err(dev->mt76.dev, "Invalid firmware\n");
+ release_firmware(fw);
+ return -ENOENT;
+}
+
+static int
+mt76x2_mcu_function_select(struct mt76x2_dev *dev, enum mcu_function func,
+ u32 val)
+{
+ struct sk_buff *skb;
+ struct {
+ __le32 id;
+ __le32 value;
+ } __packed __aligned(4) msg = {
+ .id = cpu_to_le32(func),
+ .value = cpu_to_le32(val),
+ };
+
+ skb = mt76x2_mcu_msg_alloc(dev, &msg, sizeof(msg));
+ return mt76x2_mcu_msg_send(dev, skb, CMD_FUN_SET_OP);
+}
+
+int mt76x2_mcu_load_cr(struct mt76x2_dev *dev, u8 type, u8 temp_level,
+ u8 channel)
+{
+ struct sk_buff *skb;
+ struct {
+ u8 cr_mode;
+ u8 temp;
+ u8 ch;
+ u8 _pad0;
+
+ __le32 cfg;
+ } __packed __aligned(4) msg = {
+ .cr_mode = type,
+ .temp = temp_level,
+ .ch = channel,
+ };
+ u32 val;
+
+ val = BIT(31);
+ val |= (mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_0) >> 8) & 0x00ff;
+ val |= (mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_1) << 8) & 0xff00;
+ msg.cfg = cpu_to_le32(val);
+
+ /* first set the channel without the extension channel info */
+ skb = mt76x2_mcu_msg_alloc(dev, &msg, sizeof(msg));
+ return mt76x2_mcu_msg_send(dev, skb, CMD_LOAD_CR);
+}
+
+int mt76x2_mcu_set_channel(struct mt76x2_dev *dev, u8 channel, u8 bw,
+ u8 bw_index, bool scan)
+{
+ struct sk_buff *skb;
+ struct {
+ u8 idx;
+ u8 scan;
+ u8 bw;
+ u8 _pad0;
+
+ __le16 chainmask;
+ u8 ext_chan;
+ u8 _pad1;
+
+ } __packed __aligned(4) msg = {
+ .idx = channel,
+ .scan = scan,
+ .bw = bw,
+ .chainmask = cpu_to_le16(dev->chainmask),
+ };
+
+ /* first set the channel without the extension channel info */
+ skb = mt76x2_mcu_msg_alloc(dev, &msg, sizeof(msg));
+ mt76x2_mcu_msg_send(dev, skb, CMD_SWITCH_CHANNEL_OP);
+
+ usleep_range(5000, 10000);
+
+ msg.ext_chan = 0xe0 + bw_index;
+ skb = mt76x2_mcu_msg_alloc(dev, &msg, sizeof(msg));
+ return mt76x2_mcu_msg_send(dev, skb, CMD_SWITCH_CHANNEL_OP);
+}
+
+int mt76x2_mcu_set_radio_state(struct mt76x2_dev *dev, bool on)
+{
+ struct sk_buff *skb;
+ struct {
+ __le32 mode;
+ __le32 level;
+ } __packed __aligned(4) msg = {
+ .mode = cpu_to_le32(on ? RADIO_ON : RADIO_OFF),
+ .level = cpu_to_le32(0),
+ };
+
+ skb = mt76x2_mcu_msg_alloc(dev, &msg, sizeof(msg));
+ return mt76x2_mcu_msg_send(dev, skb, CMD_POWER_SAVING_OP);
+}
+
+int mt76x2_mcu_calibrate(struct mt76x2_dev *dev, enum mcu_calibration type,
+ u32 param)
+{
+ struct sk_buff *skb;
+ struct {
+ __le32 id;
+ __le32 value;
+ } __packed __aligned(4) msg = {
+ .id = cpu_to_le32(type),
+ .value = cpu_to_le32(param),
+ };
+ int ret;
+
+ mt76_clear(dev, MT_MCU_COM_REG0, BIT(31));
+
+ skb = mt76x2_mcu_msg_alloc(dev, &msg, sizeof(msg));
+ ret = mt76x2_mcu_msg_send(dev, skb, CMD_CALIBRATION_OP);
+ if (ret)
+ return ret;
+
+ if (WARN_ON(!mt76_poll_msec(dev, MT_MCU_COM_REG0,
+ BIT(31), BIT(31), 100)))
+ return -ETIMEDOUT;
+
+ return 0;
+}
+
+int mt76x2_mcu_tssi_comp(struct mt76x2_dev *dev,
+ struct mt76x2_tssi_comp *tssi_data)
+{
+ struct sk_buff *skb;
+ struct {
+ __le32 id;
+ struct mt76x2_tssi_comp data;
+ } __packed __aligned(4) msg = {
+ .id = cpu_to_le32(MCU_CAL_TSSI_COMP),
+ .data = *tssi_data,
+ };
+
+ skb = mt76x2_mcu_msg_alloc(dev, &msg, sizeof(msg));
+ return mt76x2_mcu_msg_send(dev, skb, CMD_CALIBRATION_OP);
+}
+
+int mt76x2_mcu_init_gain(struct mt76x2_dev *dev, u8 channel, u32 gain,
+ bool force)
+{
+ struct sk_buff *skb;
+ struct {
+ __le32 channel;
+ __le32 gain_val;
+ } __packed __aligned(4) msg = {
+ .channel = cpu_to_le32(channel),
+ .gain_val = cpu_to_le32(gain),
+ };
+
+ if (force)
+ msg.channel |= cpu_to_le32(BIT(31));
+
+ skb = mt76x2_mcu_msg_alloc(dev, &msg, sizeof(msg));
+ return mt76x2_mcu_msg_send(dev, skb, CMD_INIT_GAIN_OP);
+}
+
+int mt76x2_mcu_init(struct mt76x2_dev *dev)
+{
+ int ret;
+
+ mutex_init(&dev->mcu.mutex);
+
+ ret = mt76pci_load_rom_patch(dev);
+ if (ret)
+ return ret;
+
+ ret = mt76pci_load_firmware(dev);
+ if (ret)
+ return ret;
+
+ mt76x2_mcu_function_select(dev, Q_SELECT, 1);
+ return 0;
+}
+
+int mt76x2_mcu_cleanup(struct mt76x2_dev *dev)
+{
+ struct sk_buff *skb;
+
+ mt76_wr(dev, MT_MCU_INT_LEVEL, 1);
+ usleep_range(20000, 30000);
+
+ while ((skb = skb_dequeue(&dev->mcu.res_q)) != NULL)
+ dev_kfree_skb(skb);
+
+ return 0;
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.h
new file mode 100644
index 0000000..f5af7ec
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.h
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef __MT76x2_MCU_H
+#define __MT76x2_MCU_H
+
+/* Register definitions */
+#define MT_MCU_CPU_CTL 0x0704
+#define MT_MCU_CLOCK_CTL 0x0708
+#define MT_MCU_RESET_CTL 0x070C
+#define MT_MCU_INT_LEVEL 0x0718
+#define MT_MCU_COM_REG0 0x0730
+#define MT_MCU_COM_REG1 0x0734
+#define MT_MCU_COM_REG2 0x0738
+#define MT_MCU_COM_REG3 0x073C
+#define MT_MCU_PCIE_REMAP_BASE1 0x0740
+#define MT_MCU_PCIE_REMAP_BASE2 0x0744
+#define MT_MCU_PCIE_REMAP_BASE3 0x0748
+#define MT_MCU_PCIE_REMAP_BASE4 0x074C
+#define MT_MCU_LED_CTRL 0x0770
+#define MT_MCU_LED_TX_BLINK_0 0x0774
+#define MT_MCU_LED_TX_BLINK_1 0x0778
+#define MT_MCU_LED0_S0 0x077C
+#define MT_MCU_LED0_S1 0x0780
+#define MT_MCU_SEMAPHORE_00 0x07B0
+#define MT_MCU_SEMAPHORE_01 0x07B4
+#define MT_MCU_SEMAPHORE_02 0x07B8
+#define MT_MCU_SEMAPHORE_03 0x07BC
+
+#define MT_MCU_ROM_PATCH_OFFSET 0x80000
+#define MT_MCU_ROM_PATCH_ADDR 0x90000
+
+#define MT_MCU_ILM_OFFSET 0x80000
+#define MT_MCU_ILM_ADDR 0x80000
+
+#define MT_MCU_DLM_OFFSET 0x100000
+#define MT_MCU_DLM_ADDR 0x90000
+#define MT_MCU_DLM_ADDR_E3 0x90800
+
+enum mcu_cmd {
+ CMD_FUN_SET_OP = 1,
+ CMD_LOAD_CR = 2,
+ CMD_INIT_GAIN_OP = 3,
+ CMD_DYNC_VGA_OP = 6,
+ CMD_TDLS_CH_SW = 7,
+ CMD_BURST_WRITE = 8,
+ CMD_READ_MODIFY_WRITE = 9,
+ CMD_RANDOM_READ = 10,
+ CMD_BURST_READ = 11,
+ CMD_RANDOM_WRITE = 12,
+ CMD_LED_MODE_OP = 16,
+ CMD_POWER_SAVING_OP = 20,
+ CMD_WOW_CONFIG = 21,
+ CMD_WOW_QUERY = 22,
+ CMD_WOW_FEATURE = 24,
+ CMD_CARRIER_DETECT_OP = 28,
+ CMD_RADOR_DETECT_OP = 29,
+ CMD_SWITCH_CHANNEL_OP = 30,
+ CMD_CALIBRATION_OP = 31,
+ CMD_BEACON_OP = 32,
+ CMD_ANTENNA_OP = 33,
+};
+
+enum mcu_function {
+ Q_SELECT = 1,
+ BW_SETTING = 2,
+ USB2_SW_DISCONNECT = 2,
+ USB3_SW_DISCONNECT = 3,
+ LOG_FW_DEBUG_MSG = 4,
+ GET_FW_VERSION = 5,
+};
+
+enum mcu_power_mode {
+ RADIO_OFF = 0x30,
+ RADIO_ON = 0x31,
+ RADIO_OFF_AUTO_WAKEUP = 0x32,
+ RADIO_OFF_ADVANCE = 0x33,
+ RADIO_ON_ADVANCE = 0x34,
+};
+
+enum mcu_calibration {
+ MCU_CAL_R = 1,
+ MCU_CAL_TEMP_SENSOR,
+ MCU_CAL_RXDCOC,
+ MCU_CAL_RC,
+ MCU_CAL_SX_LOGEN,
+ MCU_CAL_LC,
+ MCU_CAL_TX_LOFT,
+ MCU_CAL_TXIQ,
+ MCU_CAL_TSSI,
+ MCU_CAL_TSSI_COMP,
+ MCU_CAL_DPD,
+ MCU_CAL_RXIQC_FI,
+ MCU_CAL_RXIQC_FD,
+ MCU_CAL_PWRON,
+ MCU_CAL_TX_SHAPING,
+};
+
+enum mt76x2_mcu_cr_mode {
+ MT_RF_CR,
+ MT_BBP_CR,
+ MT_RF_BBP_CR,
+ MT_HL_TEMP_CR_UPDATE,
+};
+
+struct mt76x2_tssi_comp {
+ u8 pa_mode;
+ u8 cal_mode;
+ u16 pad;
+
+ u8 slope0;
+ u8 slope1;
+ u8 offset0;
+ u8 offset1;
+} __packed __aligned(4);
+
+int mt76x2_mcu_calibrate(struct mt76x2_dev *dev, enum mcu_calibration type,
+ u32 param);
+int mt76x2_mcu_tssi_comp(struct mt76x2_dev *dev, struct mt76x2_tssi_comp *data);
+int mt76x2_mcu_init_gain(struct mt76x2_dev *dev, u8 channel, u32 gain,
+ bool force);
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_pci.c b/drivers/net/wireless/mediatek/mt76/mt76x2_pci.c
new file mode 100644
index 0000000..e5b07c6
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_pci.c
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+
+#include "mt76x2.h"
+#include "mt76x2_trace.h"
+
+static const struct pci_device_id mt76pci_device_table[] = {
+ { PCI_DEVICE(0x14c3, 0x7662) },
+ { PCI_DEVICE(0x14c3, 0x7612) },
+ { },
+};
+
+static int
+mt76pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+ struct mt76x2_dev *dev;
+ int ret;
+
+ ret = pcim_enable_device(pdev);
+ if (ret)
+ return ret;
+
+ ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
+ if (ret)
+ return ret;
+
+ pci_set_master(pdev);
+
+ ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+ if (ret)
+ return ret;
+
+ dev = mt76x2_alloc_device(&pdev->dev);
+ if (!dev)
+ return -ENOMEM;
+
+ mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]);
+
+ dev->mt76.rev = mt76_rr(dev, MT_ASIC_VERSION);
+ dev_info(dev->mt76.dev, "ASIC revision: %08x\n", dev->mt76.rev);
+
+ ret = devm_request_irq(dev->mt76.dev, pdev->irq, mt76x2_irq_handler,
+ IRQF_SHARED, KBUILD_MODNAME, dev);
+ if (ret)
+ goto error;
+
+ ret = mt76x2_register_device(dev);
+ if (ret)
+ goto error;
+
+ /* Fix up ASPM configuration */
+
+ /* RG_SSUSB_G1_CDR_BIR_LTR = 0x9 */
+ mt76_rmw_field(dev, 0x15a10, 0x1f << 16, 0x9);
+
+ /* RG_SSUSB_G1_CDR_BIC_LTR = 0xf */
+ mt76_rmw_field(dev, 0x15a0c, 0xf << 28, 0xf);
+
+ /* RG_SSUSB_CDR_BR_PE1D = 0x3 */
+ mt76_rmw_field(dev, 0x15c58, 0x3 << 6, 0x3);
+
+ return 0;
+
+error:
+ ieee80211_free_hw(mt76_hw(dev));
+ return ret;
+}
+
+static void
+mt76pci_remove(struct pci_dev *pdev)
+{
+ struct mt76_dev *mdev = pci_get_drvdata(pdev);
+ struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76);
+
+ mt76_unregister_device(mdev);
+ mt76x2_cleanup(dev);
+ ieee80211_free_hw(mdev->hw);
+}
+
+MODULE_DEVICE_TABLE(pci, mt76pci_device_table);
+MODULE_FIRMWARE(MT7662_FIRMWARE);
+MODULE_FIRMWARE(MT7662_ROM_PATCH);
+MODULE_LICENSE("Dual BSD/GPL");
+
+static struct pci_driver mt76pci_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = mt76pci_device_table,
+ .probe = mt76pci_probe,
+ .remove = mt76pci_remove,
+};
+
+module_pci_driver(mt76pci_driver);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c b/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c
new file mode 100644
index 0000000..71b57b4
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c
@@ -0,0 +1,688 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/delay.h>
+#include "mt76x2.h"
+#include "mt76x2_mcu.h"
+#include "mt76x2_eeprom.h"
+
+static void
+mt76x2_adjust_lna_gain(struct mt76x2_dev *dev, int reg, s8 offset)
+{
+ s8 gain;
+
+ gain = FIELD_GET(MT_BBP_AGC_LNA_GAIN, mt76_rr(dev, MT_BBP(AGC, reg)));
+ gain -= offset / 2;
+ mt76_rmw_field(dev, MT_BBP(AGC, reg), MT_BBP_AGC_LNA_GAIN, gain);
+}
+
+static void
+mt76x2_adjust_agc_gain(struct mt76x2_dev *dev, int reg, s8 offset)
+{
+ s8 gain;
+
+ gain = FIELD_GET(MT_BBP_AGC_GAIN, mt76_rr(dev, MT_BBP(AGC, reg)));
+ gain += offset;
+ mt76_rmw_field(dev, MT_BBP(AGC, reg), MT_BBP_AGC_GAIN, gain);
+}
+
+static void
+mt76x2_apply_gain_adj(struct mt76x2_dev *dev)
+{
+ s8 *gain_adj = dev->cal.rx.high_gain;
+
+ mt76x2_adjust_lna_gain(dev, 4, gain_adj[0]);
+ mt76x2_adjust_lna_gain(dev, 5, gain_adj[1]);
+
+ mt76x2_adjust_agc_gain(dev, 8, gain_adj[0]);
+ mt76x2_adjust_agc_gain(dev, 9, gain_adj[1]);
+}
+
+static u32
+mt76x2_tx_power_mask(u8 v1, u8 v2, u8 v3, u8 v4)
+{
+ u32 val = 0;
+
+ val |= (v1 & (BIT(6) - 1)) << 0;
+ val |= (v2 & (BIT(6) - 1)) << 8;
+ val |= (v3 & (BIT(6) - 1)) << 16;
+ val |= (v4 & (BIT(6) - 1)) << 24;
+ return val;
+}
+
+int mt76x2_phy_get_rssi(struct mt76x2_dev *dev, s8 rssi, int chain)
+{
+ struct mt76x2_rx_freq_cal *cal = &dev->cal.rx;
+
+ rssi += cal->rssi_offset[chain];
+ rssi -= cal->lna_gain;
+
+ return rssi;
+}
+
+static u8
+mt76x2_txpower_check(int value)
+{
+ if (value < 0)
+ return 0;
+ if (value > 0x2f)
+ return 0x2f;
+ return value;
+}
+
+static void
+mt76x2_add_rate_power_offset(struct mt76_rate_power *r, int offset)
+{
+ int i;
+
+ for (i = 0; i < sizeof(r->all); i++)
+ r->all[i] += offset;
+}
+
+static void
+mt76x2_limit_rate_power(struct mt76_rate_power *r, int limit)
+{
+ int i;
+
+ for (i = 0; i < sizeof(r->all); i++)
+ if (r->all[i] > limit)
+ r->all[i] = limit;
+}
+
+static int
+mt76x2_get_max_power(struct mt76_rate_power *r)
+{
+ int i;
+ s8 ret = 0;
+
+ for (i = 0; i < sizeof(r->all); i++)
+ ret = max(ret, r->all[i]);
+
+ return ret;
+}
+
+void mt76x2_phy_set_txpower(struct mt76x2_dev *dev)
+{
+ enum nl80211_chan_width width = dev->mt76.chandef.width;
+ struct mt76x2_tx_power_info txp;
+ int txp_0, txp_1, delta = 0;
+ struct mt76_rate_power t = {};
+
+ mt76x2_get_power_info(dev, &txp);
+
+ if (width == NL80211_CHAN_WIDTH_40)
+ delta = txp.delta_bw40;
+ else if (width == NL80211_CHAN_WIDTH_80)
+ delta = txp.delta_bw80;
+
+ if (txp.target_power > dev->txpower_conf)
+ delta -= txp.target_power - dev->txpower_conf;
+
+ mt76x2_get_rate_power(dev, &t);
+ mt76x2_add_rate_power_offset(&t, txp.chain[0].target_power +
+ txp.chain[0].delta);
+ mt76x2_limit_rate_power(&t, dev->txpower_conf);
+ dev->txpower_cur = mt76x2_get_max_power(&t);
+ mt76x2_add_rate_power_offset(&t, -(txp.chain[0].target_power +
+ txp.chain[0].delta + delta));
+ dev->target_power = txp.chain[0].target_power;
+ dev->target_power_delta[0] = txp.chain[0].delta + delta;
+ dev->target_power_delta[1] = txp.chain[1].delta + delta;
+ dev->rate_power = t;
+
+ txp_0 = mt76x2_txpower_check(txp.chain[0].target_power +
+ txp.chain[0].delta + delta);
+
+ txp_1 = mt76x2_txpower_check(txp.chain[1].target_power +
+ txp.chain[1].delta + delta);
+
+ mt76_rmw_field(dev, MT_TX_ALC_CFG_0, MT_TX_ALC_CFG_0_CH_INIT_0, txp_0);
+ mt76_rmw_field(dev, MT_TX_ALC_CFG_0, MT_TX_ALC_CFG_0_CH_INIT_1, txp_1);
+
+ mt76_wr(dev, MT_TX_PWR_CFG_0,
+ mt76x2_tx_power_mask(t.cck[0], t.cck[2], t.ofdm[0], t.ofdm[2]));
+ mt76_wr(dev, MT_TX_PWR_CFG_1,
+ mt76x2_tx_power_mask(t.ofdm[4], t.ofdm[6], t.ht[0], t.ht[2]));
+ mt76_wr(dev, MT_TX_PWR_CFG_2,
+ mt76x2_tx_power_mask(t.ht[4], t.ht[6], t.ht[8], t.ht[10]));
+ mt76_wr(dev, MT_TX_PWR_CFG_3,
+ mt76x2_tx_power_mask(t.ht[12], t.ht[14], t.ht[0], t.ht[2]));
+ mt76_wr(dev, MT_TX_PWR_CFG_4,
+ mt76x2_tx_power_mask(t.ht[4], t.ht[6], 0, 0));
+ mt76_wr(dev, MT_TX_PWR_CFG_7,
+ mt76x2_tx_power_mask(t.ofdm[6], t.vht[8], t.ht[6], t.vht[8]));
+ mt76_wr(dev, MT_TX_PWR_CFG_8,
+ mt76x2_tx_power_mask(t.ht[14], t.vht[8], t.vht[8], 0));
+ mt76_wr(dev, MT_TX_PWR_CFG_9,
+ mt76x2_tx_power_mask(t.ht[6], t.vht[8], t.vht[8], 0));
+}
+
+static bool
+mt76x2_channel_silent(struct mt76x2_dev *dev)
+{
+ struct ieee80211_channel *chan = dev->mt76.chandef.chan;
+
+ return ((chan->flags & IEEE80211_CHAN_RADAR) &&
+ chan->dfs_state != NL80211_DFS_AVAILABLE);
+}
+
+static bool
+mt76x2_phy_tssi_init_cal(struct mt76x2_dev *dev)
+{
+ struct ieee80211_channel *chan = dev->mt76.chandef.chan;
+ u32 flag = 0;
+
+ if (!mt76x2_tssi_enabled(dev))
+ return false;
+
+ if (mt76x2_channel_silent(dev))
+ return false;
+
+ if (chan->band == NL80211_BAND_2GHZ)
+ flag |= BIT(0);
+
+ if (mt76x2_ext_pa_enabled(dev, chan->band))
+ flag |= BIT(8);
+
+ mt76x2_mcu_calibrate(dev, MCU_CAL_TSSI, flag);
+ dev->cal.tssi_cal_done = true;
+ return true;
+}
+
+static void
+mt76x2_phy_channel_calibrate(struct mt76x2_dev *dev, bool mac_stopped)
+{
+ struct ieee80211_channel *chan = dev->mt76.chandef.chan;
+ bool is_5ghz = chan->band == NL80211_BAND_5GHZ;
+
+ if (dev->cal.channel_cal_done)
+ return;
+
+ if (mt76x2_channel_silent(dev))
+ return;
+
+ if (!dev->cal.tssi_cal_done)
+ mt76x2_phy_tssi_init_cal(dev);
+
+ if (!mac_stopped)
+ mt76x2_mac_stop(dev, false);
+
+ if (is_5ghz)
+ mt76x2_mcu_calibrate(dev, MCU_CAL_LC, 0);
+
+ mt76x2_mcu_calibrate(dev, MCU_CAL_TX_LOFT, is_5ghz);
+ mt76x2_mcu_calibrate(dev, MCU_CAL_TXIQ, is_5ghz);
+ mt76x2_mcu_calibrate(dev, MCU_CAL_RXIQC_FI, is_5ghz);
+ mt76x2_mcu_calibrate(dev, MCU_CAL_TEMP_SENSOR, 0);
+ mt76x2_mcu_calibrate(dev, MCU_CAL_TX_SHAPING, 0);
+
+ if (!mac_stopped)
+ mt76x2_mac_resume(dev);
+
+ mt76x2_apply_gain_adj(dev);
+
+ dev->cal.channel_cal_done = true;
+}
+
+static void
+mt76x2_phy_set_txpower_regs(struct mt76x2_dev *dev, enum nl80211_band band)
+{
+ u32 pa_mode[2];
+ u32 pa_mode_adj;
+
+ if (band == NL80211_BAND_2GHZ) {
+ pa_mode[0] = 0x010055ff;
+ pa_mode[1] = 0x00550055;
+
+ mt76_wr(dev, MT_TX_ALC_CFG_2, 0x35160a00);
+ mt76_wr(dev, MT_TX_ALC_CFG_3, 0x35160a06);
+
+ if (mt76x2_ext_pa_enabled(dev, band)) {
+ mt76_wr(dev, MT_RF_PA_MODE_ADJ0, 0x0000ec00);
+ mt76_wr(dev, MT_RF_PA_MODE_ADJ1, 0x0000ec00);
+ } else {
+ mt76_wr(dev, MT_RF_PA_MODE_ADJ0, 0xf4000200);
+ mt76_wr(dev, MT_RF_PA_MODE_ADJ1, 0xfa000200);
+ }
+ } else {
+ pa_mode[0] = 0x0000ffff;
+ pa_mode[1] = 0x00ff00ff;
+
+ mt76_wr(dev, MT_TX_ALC_CFG_2, 0x1b0f0400);
+ mt76_wr(dev, MT_TX_ALC_CFG_3, 0x1b0f0476);
+ mt76_wr(dev, MT_TX_ALC_CFG_4, 0);
+
+ if (mt76x2_ext_pa_enabled(dev, band))
+ pa_mode_adj = 0x04000000;
+ else
+ pa_mode_adj = 0;
+
+ mt76_wr(dev, MT_RF_PA_MODE_ADJ0, pa_mode_adj);
+ mt76_wr(dev, MT_RF_PA_MODE_ADJ1, pa_mode_adj);
+ }
+
+ mt76_wr(dev, MT_BB_PA_MODE_CFG0, pa_mode[0]);
+ mt76_wr(dev, MT_BB_PA_MODE_CFG1, pa_mode[1]);
+ mt76_wr(dev, MT_RF_PA_MODE_CFG0, pa_mode[0]);
+ mt76_wr(dev, MT_RF_PA_MODE_CFG1, pa_mode[1]);
+
+ if (mt76x2_ext_pa_enabled(dev, band)) {
+ u32 val = 0x3c3c023c;
+
+ mt76_wr(dev, MT_TX0_RF_GAIN_CORR, val);
+ mt76_wr(dev, MT_TX1_RF_GAIN_CORR, val);
+ mt76_wr(dev, MT_TX_ALC_CFG_4, 0x00001818);
+ } else {
+ if (band == NL80211_BAND_2GHZ) {
+ u32 val = 0x0f3c3c3c;
+
+ mt76_wr(dev, MT_TX0_RF_GAIN_CORR, val);
+ mt76_wr(dev, MT_TX1_RF_GAIN_CORR, val);
+ mt76_wr(dev, MT_TX_ALC_CFG_4, 0x00000606);
+ } else {
+ mt76_wr(dev, MT_TX0_RF_GAIN_CORR, 0x383c023c);
+ mt76_wr(dev, MT_TX1_RF_GAIN_CORR, 0x24282e28);
+ mt76_wr(dev, MT_TX_ALC_CFG_4, 0);
+ }
+ }
+}
+
+static void
+mt76x2_configure_tx_delay(struct mt76x2_dev *dev, enum nl80211_band band, u8 bw)
+{
+ u32 cfg0, cfg1;
+
+ if (mt76x2_ext_pa_enabled(dev, band)) {
+ cfg0 = bw ? 0x000b0c01 : 0x00101101;
+ cfg1 = 0x00011414;
+ } else {
+ cfg0 = bw ? 0x000b0b01 : 0x00101001;
+ cfg1 = 0x00021414;
+ }
+ mt76_wr(dev, MT_TX_SW_CFG0, cfg0);
+ mt76_wr(dev, MT_TX_SW_CFG1, cfg1);
+
+ mt76_rmw_field(dev, MT_XIFS_TIME_CFG, MT_XIFS_TIME_CFG_CCK_SIFS,
+ 13 + (bw ? 1 : 0));
+}
+
+static void
+mt76x2_phy_set_bw(struct mt76x2_dev *dev, int 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);
+}
+
+static void
+mt76x2_phy_set_band(struct mt76x2_dev *dev, int band, bool primary_upper)
+{
+ switch (band) {
+ case NL80211_BAND_2GHZ:
+ mt76_set(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_2G);
+ mt76_clear(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_5G);
+ break;
+ case NL80211_BAND_5GHZ:
+ mt76_clear(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_2G);
+ mt76_set(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_5G);
+ break;
+ }
+
+ mt76_rmw_field(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_UPPER_40M,
+ primary_upper);
+}
+
+static void
+mt76x2_set_rx_chains(struct mt76x2_dev *dev)
+{
+ u32 val;
+
+ val = mt76_rr(dev, MT_BBP(AGC, 0));
+ val &= ~(BIT(3) | BIT(4));
+
+ if (dev->chainmask & BIT(1))
+ val |= BIT(3);
+
+ mt76_wr(dev, MT_BBP(AGC, 0), val);
+}
+
+static void
+mt76x2_set_tx_dac(struct mt76x2_dev *dev)
+{
+ if (dev->chainmask & BIT(1))
+ mt76_set(dev, MT_BBP(TXBE, 5), 3);
+ else
+ mt76_clear(dev, MT_BBP(TXBE, 5), 3);
+}
+
+static void
+mt76x2_get_agc_gain(struct mt76x2_dev *dev, u8 *dest)
+{
+ dest[0] = mt76_get_field(dev, MT_BBP(AGC, 8), MT_BBP_AGC_GAIN);
+ dest[1] = mt76_get_field(dev, MT_BBP(AGC, 9), MT_BBP_AGC_GAIN);
+}
+
+static int
+mt76x2_get_rssi_gain_thresh(struct mt76x2_dev *dev)
+{
+ switch (dev->mt76.chandef.width) {
+ case NL80211_CHAN_WIDTH_80:
+ return -62;
+ case NL80211_CHAN_WIDTH_40:
+ return -65;
+ default:
+ return -68;
+ }
+}
+
+static void
+mt76x2_phy_update_channel_gain(struct mt76x2_dev *dev)
+{
+ u32 val = mt76_rr(dev, MT_BBP(AGC, 20));
+ int rssi0 = (s8) FIELD_GET(MT_BBP_AGC20_RSSI0, val);
+ int rssi1 = (s8) FIELD_GET(MT_BBP_AGC20_RSSI1, val);
+ u8 *gain = dev->cal.agc_gain_init, gain_delta;
+ bool low_gain;
+
+ dev->cal.avg_rssi[0] = (dev->cal.avg_rssi[0] * 15) / 16 + (rssi0 << 8);
+ dev->cal.avg_rssi[1] = (dev->cal.avg_rssi[1] * 15) / 16 + (rssi1 << 8);
+ dev->cal.avg_rssi_all = (dev->cal.avg_rssi[0] +
+ dev->cal.avg_rssi[1]) / 512;
+
+ low_gain = dev->cal.avg_rssi_all > mt76x2_get_rssi_gain_thresh(dev);
+ if (dev->cal.low_gain == low_gain)
+ return;
+
+ dev->cal.low_gain = low_gain;
+
+ if (dev->mt76.chandef.width >= NL80211_CHAN_WIDTH_40)
+ val = 0x1e42 << 16;
+ else
+ val = 0x1836 << 16;
+
+ val |= 0xf8;
+
+ if (dev->mt76.chandef.width == NL80211_CHAN_WIDTH_80)
+ mt76_wr(dev, MT_BBP(RXO, 14), 0x00560411);
+ else
+ mt76_wr(dev, MT_BBP(RXO, 14), 0x00560423);
+
+ if (low_gain) {
+ mt76_wr(dev, MT_BBP(AGC, 35), 0x08080808);
+ mt76_wr(dev, MT_BBP(AGC, 37), 0x08080808);
+ if (mt76x2_has_ext_lna(dev))
+ gain_delta = 10;
+ else
+ gain_delta = 14;
+ } else {
+ mt76_wr(dev, MT_BBP(AGC, 35), 0x11111116);
+ mt76_wr(dev, MT_BBP(AGC, 37), 0x1010161C);
+ gain_delta = 0;
+ }
+
+ mt76_wr(dev, MT_BBP(AGC, 8),
+ val | FIELD_PREP(MT_BBP_AGC_GAIN, gain[0] - gain_delta));
+ mt76_wr(dev, MT_BBP(AGC, 9),
+ val | FIELD_PREP(MT_BBP_AGC_GAIN, gain[1] - gain_delta));
+}
+
+int mt76x2_phy_set_channel(struct mt76x2_dev *dev,
+ struct cfg80211_chan_def *chandef)
+{
+ struct ieee80211_channel *chan = chandef->chan;
+ bool scan = test_bit(MT76_SCANNING, &dev->mt76.state);
+ enum nl80211_band band = chan->band;
+ u8 channel;
+
+ u32 ext_cca_chan[4] = {
+ [0] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 0) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 1) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 2) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 3) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(0)),
+ [1] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 1) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 0) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 2) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 3) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(1)),
+ [2] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 2) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 3) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 1) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 0) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(2)),
+ [3] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 3) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 2) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 1) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 0) |
+ FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(3)),
+ };
+ int ch_group_index;
+ u8 bw, bw_index;
+ int freq, freq1;
+ int ret;
+ u8 sifs = 13;
+
+ dev->cal.channel_cal_done = false;
+ freq = chandef->chan->center_freq;
+ freq1 = chandef->center_freq1;
+ channel = chan->hw_value;
+
+ switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_40:
+ bw = 1;
+ if (freq1 > freq) {
+ bw_index = 1;
+ ch_group_index = 0;
+ } else {
+ bw_index = 3;
+ ch_group_index = 1;
+ }
+ channel += 2 - ch_group_index * 4;
+ break;
+ case NL80211_CHAN_WIDTH_80:
+ ch_group_index = (freq - freq1 + 30) / 20;
+ if (WARN_ON(ch_group_index < 0 || ch_group_index > 3))
+ ch_group_index = 0;
+ bw = 2;
+ bw_index = ch_group_index;
+ channel += 6 - ch_group_index * 4;
+ break;
+ default:
+ bw = 0;
+ bw_index = 0;
+ ch_group_index = 0;
+ break;
+ }
+
+ mt76x2_read_rx_gain(dev);
+ mt76x2_phy_set_txpower_regs(dev, band);
+ mt76x2_configure_tx_delay(dev, band, bw);
+ mt76x2_phy_set_txpower(dev);
+
+ mt76x2_set_rx_chains(dev);
+ mt76x2_phy_set_band(dev, chan->band, ch_group_index & 1);
+ mt76x2_phy_set_bw(dev, chandef->width, ch_group_index);
+ mt76x2_set_tx_dac(dev);
+
+ mt76_rmw(dev, MT_EXT_CCA_CFG,
+ (MT_EXT_CCA_CFG_CCA0 |
+ MT_EXT_CCA_CFG_CCA1 |
+ MT_EXT_CCA_CFG_CCA2 |
+ MT_EXT_CCA_CFG_CCA3 |
+ MT_EXT_CCA_CFG_CCA_MASK),
+ ext_cca_chan[ch_group_index]);
+
+ if (chandef->width >= NL80211_CHAN_WIDTH_40)
+ sifs++;
+
+ mt76_rmw_field(dev, MT_XIFS_TIME_CFG, MT_XIFS_TIME_CFG_OFDM_SIFS, sifs);
+
+ ret = mt76x2_mcu_set_channel(dev, channel, bw, bw_index, scan);
+ if (ret)
+ return ret;
+
+ mt76x2_mcu_init_gain(dev, channel, dev->cal.rx.mcu_gain, true);
+
+ /* Enable LDPC Rx */
+ if (mt76xx_rev(dev) >= MT76XX_REV_E3)
+ mt76_set(dev, MT_BBP(RXO, 13), BIT(10));
+
+ if (!dev->cal.init_cal_done) {
+ u8 val = mt76x2_eeprom_get(dev, MT_EE_BT_RCAL_RESULT);
+
+ if (val != 0xff)
+ mt76x2_mcu_calibrate(dev, MCU_CAL_R, 0);
+ }
+
+ mt76x2_mcu_calibrate(dev, MCU_CAL_RXDCOC, channel);
+
+ /* Rx LPF calibration */
+ if (!dev->cal.init_cal_done)
+ mt76x2_mcu_calibrate(dev, MCU_CAL_RC, 0);
+
+ dev->cal.init_cal_done = true;
+
+ mt76_wr(dev, MT_BBP(AGC, 61), 0xFF64A4E2);
+ mt76_wr(dev, MT_BBP(AGC, 7), 0x08081010);
+ mt76_wr(dev, MT_BBP(AGC, 11), 0x00000404);
+ mt76_wr(dev, MT_BBP(AGC, 2), 0x00007070);
+ mt76_wr(dev, MT_TXOP_CTRL_CFG, 0x04101B3F);
+
+ if (scan)
+ return 0;
+
+ dev->cal.low_gain = -1;
+ mt76x2_phy_channel_calibrate(dev, true);
+ mt76x2_get_agc_gain(dev, dev->cal.agc_gain_init);
+
+ ieee80211_queue_delayed_work(mt76_hw(dev), &dev->cal_work,
+ MT_CALIBRATE_INTERVAL);
+
+ return 0;
+}
+
+static void
+mt76x2_phy_tssi_compensate(struct mt76x2_dev *dev)
+{
+ struct ieee80211_channel *chan = dev->mt76.chandef.chan;
+ struct mt76x2_tx_power_info txp;
+ struct mt76x2_tssi_comp t = {};
+
+ if (!dev->cal.tssi_cal_done)
+ return;
+
+ if (!dev->cal.tssi_comp_pending) {
+ /* TSSI trigger */
+ t.cal_mode = BIT(0);
+ mt76x2_mcu_tssi_comp(dev, &t);
+ dev->cal.tssi_comp_pending = true;
+ } else {
+ if (mt76_rr(dev, MT_BBP(CORE, 34)) & BIT(4))
+ return;
+
+ dev->cal.tssi_comp_pending = false;
+ mt76x2_get_power_info(dev, &txp);
+
+ if (mt76x2_ext_pa_enabled(dev, chan->band))
+ t.pa_mode = 1;
+
+ t.cal_mode = BIT(1);
+ t.slope0 = txp.chain[0].tssi_slope;
+ t.offset0 = txp.chain[0].tssi_offset;
+ t.slope1 = txp.chain[1].tssi_slope;
+ t.offset1 = txp.chain[1].tssi_offset;
+ mt76x2_mcu_tssi_comp(dev, &t);
+
+ if (t.pa_mode || dev->cal.dpd_cal_done)
+ return;
+
+ usleep_range(10000, 20000);
+ mt76x2_mcu_calibrate(dev, MCU_CAL_DPD, chan->hw_value);
+ dev->cal.dpd_cal_done = true;
+ }
+}
+
+static void
+mt76x2_phy_temp_compensate(struct mt76x2_dev *dev)
+{
+ struct mt76x2_temp_comp t;
+ int temp, db_diff;
+
+ if (mt76x2_get_temp_comp(dev, &t))
+ return;
+
+ temp = mt76_get_field(dev, MT_TEMP_SENSOR, MT_TEMP_SENSOR_VAL);
+ temp -= t.temp_25_ref;
+ temp = (temp * 1789) / 1000 + 25;
+ dev->cal.temp = temp;
+
+ if (temp > 25)
+ db_diff = (temp - 25) / t.high_slope;
+ else
+ db_diff = (25 - temp) / t.low_slope;
+
+ db_diff = min(db_diff, t.upper_bound);
+ db_diff = max(db_diff, t.lower_bound);
+
+ mt76_rmw_field(dev, MT_TX_ALC_CFG_1, MT_TX_ALC_CFG_1_TEMP_COMP,
+ db_diff * 2);
+ mt76_rmw_field(dev, MT_TX_ALC_CFG_2, MT_TX_ALC_CFG_2_TEMP_COMP,
+ db_diff * 2);
+}
+
+void mt76x2_phy_calibrate(struct work_struct *work)
+{
+ struct mt76x2_dev *dev;
+
+ dev = container_of(work, struct mt76x2_dev, cal_work.work);
+ mt76x2_phy_channel_calibrate(dev, false);
+ mt76x2_phy_tssi_compensate(dev);
+ mt76x2_phy_temp_compensate(dev);
+ mt76x2_phy_update_channel_gain(dev);
+ ieee80211_queue_delayed_work(mt76_hw(dev), &dev->cal_work,
+ MT_CALIBRATE_INTERVAL);
+}
+
+int mt76x2_phy_start(struct mt76x2_dev *dev)
+{
+ int ret;
+
+ ret = mt76x2_mcu_set_radio_state(dev, true);
+ if (ret)
+ return ret;
+
+ mt76x2_mcu_load_cr(dev, MT_RF_BBP_CR, 0, 0);
+
+ return ret;
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_regs.h b/drivers/net/wireless/mediatek/mt76/mt76x2_regs.h
new file mode 100644
index 0000000..1da6994
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_regs.h
@@ -0,0 +1,564 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef __MT76x2_REGS_H
+#define __MT76x2_REGS_H
+
+#define MT_ASIC_VERSION 0x0000
+
+#define MT76XX_REV_E3 0x22
+#define MT76XX_REV_E4 0x33
+
+#define MT_CMB_CTRL 0x0020
+#define MT_CMB_CTRL_XTAL_RDY BIT(22)
+#define MT_CMB_CTRL_PLL_LD BIT(23)
+
+#define MT_EFUSE_CTRL 0x0024
+#define MT_EFUSE_CTRL_AOUT GENMASK(5, 0)
+#define MT_EFUSE_CTRL_MODE GENMASK(7, 6)
+#define MT_EFUSE_CTRL_LDO_OFF_TIME GENMASK(13, 8)
+#define MT_EFUSE_CTRL_LDO_ON_TIME GENMASK(15, 14)
+#define MT_EFUSE_CTRL_AIN GENMASK(25, 16)
+#define MT_EFUSE_CTRL_KICK BIT(30)
+#define MT_EFUSE_CTRL_SEL BIT(31)
+
+#define MT_EFUSE_DATA_BASE 0x0028
+#define MT_EFUSE_DATA(_n) (MT_EFUSE_DATA_BASE + ((_n) << 2))
+
+#define MT_COEXCFG0 0x0040
+#define MT_COEXCFG0_COEX_EN BIT(0)
+
+#define MT_WLAN_FUN_CTRL 0x0080
+#define MT_WLAN_FUN_CTRL_WLAN_EN BIT(0)
+#define MT_WLAN_FUN_CTRL_WLAN_CLK_EN BIT(1)
+#define MT_WLAN_FUN_CTRL_WLAN_RESET_RF BIT(2)
+
+#define MT_WLAN_FUN_CTRL_WLAN_RESET BIT(3) /* MT76x0 */
+#define MT_WLAN_FUN_CTRL_CSR_F20M_CKEN BIT(3) /* MT76x2 */
+
+#define MT_WLAN_FUN_CTRL_PCIE_CLK_REQ BIT(4)
+#define MT_WLAN_FUN_CTRL_FRC_WL_ANT_SEL BIT(5)
+#define MT_WLAN_FUN_CTRL_INV_ANT_SEL BIT(6)
+#define MT_WLAN_FUN_CTRL_WAKE_HOST BIT(7)
+
+#define MT_WLAN_FUN_CTRL_THERM_RST BIT(8) /* MT76x2 */
+#define MT_WLAN_FUN_CTRL_THERM_CKEN BIT(9) /* MT76x2 */
+
+#define MT_WLAN_FUN_CTRL_GPIO_IN GENMASK(15, 8) /* MT76x0 */
+#define MT_WLAN_FUN_CTRL_GPIO_OUT GENMASK(23, 16) /* MT76x0 */
+#define MT_WLAN_FUN_CTRL_GPIO_OUT_EN GENMASK(31, 24) /* MT76x0 */
+
+#define MT_XO_CTRL0 0x0100
+#define MT_XO_CTRL1 0x0104
+#define MT_XO_CTRL2 0x0108
+#define MT_XO_CTRL3 0x010c
+#define MT_XO_CTRL4 0x0110
+
+#define MT_XO_CTRL5 0x0114
+#define MT_XO_CTRL5_C2_VAL GENMASK(14, 8)
+
+#define MT_XO_CTRL6 0x0118
+#define MT_XO_CTRL6_C2_CTRL GENMASK(14, 8)
+
+#define MT_XO_CTRL7 0x011c
+
+#define MT_WLAN_MTC_CTRL 0x10148
+#define MT_WLAN_MTC_CTRL_MTCMOS_PWR_UP BIT(0)
+#define MT_WLAN_MTC_CTRL_PWR_ACK BIT(12)
+#define MT_WLAN_MTC_CTRL_PWR_ACK_S BIT(13)
+#define MT_WLAN_MTC_CTRL_BBP_MEM_PD GENMASK(19, 16)
+#define MT_WLAN_MTC_CTRL_PBF_MEM_PD BIT(20)
+#define MT_WLAN_MTC_CTRL_FCE_MEM_PD BIT(21)
+#define MT_WLAN_MTC_CTRL_TSO_MEM_PD BIT(22)
+#define MT_WLAN_MTC_CTRL_BBP_MEM_RB BIT(24)
+#define MT_WLAN_MTC_CTRL_PBF_MEM_RB BIT(25)
+#define MT_WLAN_MTC_CTRL_FCE_MEM_RB BIT(26)
+#define MT_WLAN_MTC_CTRL_TSO_MEM_RB BIT(27)
+#define MT_WLAN_MTC_CTRL_STATE_UP BIT(28)
+
+#define MT_INT_SOURCE_CSR 0x0200
+#define MT_INT_MASK_CSR 0x0204
+
+#define MT_INT_RX_DONE(_n) BIT(_n)
+#define MT_INT_RX_DONE_ALL GENMASK(1, 0)
+#define MT_INT_TX_DONE_ALL GENMASK(13, 4)
+#define MT_INT_TX_DONE(_n) BIT(_n + 4)
+#define MT_INT_RX_COHERENT BIT(16)
+#define MT_INT_TX_COHERENT BIT(17)
+#define MT_INT_ANY_COHERENT BIT(18)
+#define MT_INT_MCU_CMD BIT(19)
+#define MT_INT_TBTT BIT(20)
+#define MT_INT_PRE_TBTT BIT(21)
+#define MT_INT_TX_STAT BIT(22)
+#define MT_INT_AUTO_WAKEUP BIT(23)
+#define MT_INT_GPTIMER BIT(24)
+#define MT_INT_RXDELAYINT BIT(26)
+#define MT_INT_TXDELAYINT BIT(27)
+
+#define MT_WPDMA_GLO_CFG 0x0208
+#define MT_WPDMA_GLO_CFG_TX_DMA_EN BIT(0)
+#define MT_WPDMA_GLO_CFG_TX_DMA_BUSY BIT(1)
+#define MT_WPDMA_GLO_CFG_RX_DMA_EN BIT(2)
+#define MT_WPDMA_GLO_CFG_RX_DMA_BUSY BIT(3)
+#define MT_WPDMA_GLO_CFG_DMA_BURST_SIZE GENMASK(5, 4)
+#define MT_WPDMA_GLO_CFG_TX_WRITEBACK_DONE BIT(6)
+#define MT_WPDMA_GLO_CFG_BIG_ENDIAN BIT(7)
+#define MT_WPDMA_GLO_CFG_HDR_SEG_LEN GENMASK(15, 8)
+#define MT_WPDMA_GLO_CFG_CLK_GATE_DIS BIT(30)
+#define MT_WPDMA_GLO_CFG_RX_2B_OFFSET BIT(31)
+
+#define MT_WPDMA_RST_IDX 0x020c
+
+#define MT_WPDMA_DELAY_INT_CFG 0x0210
+
+#define MT_WMM_AIFSN 0x0214
+#define MT_WMM_AIFSN_MASK GENMASK(3, 0)
+#define MT_WMM_AIFSN_SHIFT(_n) ((_n) * 4)
+
+#define MT_WMM_CWMIN 0x0218
+#define MT_WMM_CWMIN_MASK GENMASK(3, 0)
+#define MT_WMM_CWMIN_SHIFT(_n) ((_n) * 4)
+
+#define MT_WMM_CWMAX 0x021c
+#define MT_WMM_CWMAX_MASK GENMASK(3, 0)
+#define MT_WMM_CWMAX_SHIFT(_n) ((_n) * 4)
+
+#define MT_WMM_TXOP_BASE 0x0220
+#define MT_WMM_TXOP(_n) (MT_WMM_TXOP_BASE + (((_n) / 2) << 2))
+#define MT_WMM_TXOP_SHIFT(_n) ((_n & 1) * 16)
+#define MT_WMM_TXOP_MASK GENMASK(15, 0)
+
+#define MT_TSO_CTRL 0x0250
+#define MT_HEADER_TRANS_CTRL_REG 0x0260
+
+#define MT_TX_RING_BASE 0x0300
+#define MT_RX_RING_BASE 0x03c0
+
+#define MT_TX_HW_QUEUE_MCU 8
+#define MT_TX_HW_QUEUE_MGMT 9
+
+#define MT_PBF_SYS_CTRL 0x0400
+#define MT_PBF_SYS_CTRL_MCU_RESET BIT(0)
+#define MT_PBF_SYS_CTRL_DMA_RESET BIT(1)
+#define MT_PBF_SYS_CTRL_MAC_RESET BIT(2)
+#define MT_PBF_SYS_CTRL_PBF_RESET BIT(3)
+#define MT_PBF_SYS_CTRL_ASY_RESET BIT(4)
+
+#define MT_PBF_CFG 0x0404
+#define MT_PBF_CFG_TX0Q_EN BIT(0)
+#define MT_PBF_CFG_TX1Q_EN BIT(1)
+#define MT_PBF_CFG_TX2Q_EN BIT(2)
+#define MT_PBF_CFG_TX3Q_EN BIT(3)
+#define MT_PBF_CFG_RX0Q_EN BIT(4)
+#define MT_PBF_CFG_RX_DROP_EN BIT(8)
+
+#define MT_PBF_TX_MAX_PCNT 0x0408
+#define MT_PBF_RX_MAX_PCNT 0x040c
+
+#define MT_BCN_OFFSET_BASE 0x041c
+#define MT_BCN_OFFSET(_n) (MT_BCN_OFFSET_BASE + ((_n) << 2))
+
+#define MT_RF_BYPASS_0 0x0504
+#define MT_RF_BYPASS_1 0x0508
+#define MT_RF_SETTING_0 0x050c
+
+#define MT_RF_DATA_WRITE 0x0524
+
+#define MT_RF_CTRL 0x0528
+#define MT_RF_CTRL_ADDR GENMASK(11, 0)
+#define MT_RF_CTRL_WRITE BIT(12)
+#define MT_RF_CTRL_BUSY BIT(13)
+#define MT_RF_CTRL_IDX BIT(16)
+
+#define MT_RF_DATA_READ 0x052c
+
+#define MT_FCE_PSE_CTRL 0x0800
+#define MT_FCE_PARAMETERS 0x0804
+#define MT_FCE_CSO 0x0808
+
+#define MT_FCE_L2_STUFF 0x080c
+#define MT_FCE_L2_STUFF_HT_L2_EN BIT(0)
+#define MT_FCE_L2_STUFF_QOS_L2_EN BIT(1)
+#define MT_FCE_L2_STUFF_RX_STUFF_EN BIT(2)
+#define MT_FCE_L2_STUFF_TX_STUFF_EN BIT(3)
+#define MT_FCE_L2_STUFF_WR_MPDU_LEN_EN BIT(4)
+#define MT_FCE_L2_STUFF_MVINV_BSWAP BIT(5)
+#define MT_FCE_L2_STUFF_TS_CMD_QSEL_EN GENMASK(15, 8)
+#define MT_FCE_L2_STUFF_TS_LEN_EN GENMASK(23, 16)
+#define MT_FCE_L2_STUFF_OTHER_PORT GENMASK(25, 24)
+
+#define MT_FCE_WLAN_FLOW_CONTROL1 0x0824
+
+#define MT_PAUSE_ENABLE_CONTROL1 0x0a38
+
+#define MT_MAC_CSR0 0x1000
+
+#define MT_MAC_SYS_CTRL 0x1004
+#define MT_MAC_SYS_CTRL_RESET_CSR BIT(0)
+#define MT_MAC_SYS_CTRL_RESET_BBP BIT(1)
+#define MT_MAC_SYS_CTRL_ENABLE_TX BIT(2)
+#define MT_MAC_SYS_CTRL_ENABLE_RX BIT(3)
+
+#define MT_MAC_ADDR_DW0 0x1008
+#define MT_MAC_ADDR_DW1 0x100c
+
+#define MT_MAC_BSSID_DW0 0x1010
+#define MT_MAC_BSSID_DW1 0x1014
+#define MT_MAC_BSSID_DW1_ADDR GENMASK(15, 0)
+#define MT_MAC_BSSID_DW1_MBSS_MODE GENMASK(17, 16)
+#define MT_MAC_BSSID_DW1_MBEACON_N GENMASK(20, 18)
+#define MT_MAC_BSSID_DW1_MBSS_LOCAL_BIT BIT(21)
+#define MT_MAC_BSSID_DW1_MBSS_MODE_B2 BIT(22)
+#define MT_MAC_BSSID_DW1_MBEACON_N_B3 BIT(23)
+#define MT_MAC_BSSID_DW1_MBSS_IDX_BYTE GENMASK(26, 24)
+
+#define MT_MAX_LEN_CFG 0x1018
+
+#define MT_AMPDU_MAX_LEN_20M1S 0x1030
+#define MT_AMPDU_MAX_LEN_20M2S 0x1034
+#define MT_AMPDU_MAX_LEN_40M1S 0x1038
+#define MT_AMPDU_MAX_LEN_40M2S 0x103c
+#define MT_AMPDU_MAX_LEN 0x1040
+
+#define MT_WCID_DROP_BASE 0x106c
+#define MT_WCID_DROP(_n) (MT_WCID_DROP_BASE + ((_n) >> 5) * 4)
+#define MT_WCID_DROP_MASK(_n) BIT((_n) % 32)
+
+#define MT_BCN_BYPASS_MASK 0x108c
+
+#define MT_MAC_APC_BSSID_BASE 0x1090
+#define MT_MAC_APC_BSSID_L(_n) (MT_MAC_APC_BSSID_BASE + ((_n) * 8))
+#define MT_MAC_APC_BSSID_H(_n) (MT_MAC_APC_BSSID_BASE + ((_n) * 8 + 4))
+#define MT_MAC_APC_BSSID_H_ADDR GENMASK(15, 0)
+#define MT_MAC_APC_BSSID0_H_EN BIT(16)
+
+#define MT_XIFS_TIME_CFG 0x1100
+#define MT_XIFS_TIME_CFG_CCK_SIFS GENMASK(7, 0)
+#define MT_XIFS_TIME_CFG_OFDM_SIFS GENMASK(15, 8)
+#define MT_XIFS_TIME_CFG_OFDM_XIFS GENMASK(19, 16)
+#define MT_XIFS_TIME_CFG_EIFS GENMASK(28, 20)
+#define MT_XIFS_TIME_CFG_BB_RXEND_EN BIT(29)
+
+#define MT_BKOFF_SLOT_CFG 0x1104
+#define MT_BKOFF_SLOT_CFG_SLOTTIME GENMASK(7, 0)
+#define MT_BKOFF_SLOT_CFG_CC_DELAY GENMASK(11, 8)
+
+#define MT_CH_TIME_CFG 0x110c
+#define MT_CH_TIME_CFG_TIMER_EN BIT(0)
+#define MT_CH_TIME_CFG_TX_AS_BUSY BIT(1)
+#define MT_CH_TIME_CFG_RX_AS_BUSY BIT(2)
+#define MT_CH_TIME_CFG_NAV_AS_BUSY BIT(3)
+#define MT_CH_TIME_CFG_EIFS_AS_BUSY BIT(4)
+#define MT_CH_TIME_CFG_MDRDY_CNT_EN BIT(5)
+#define MT_CH_TIME_CFG_CH_TIMER_CLR GENMASK(9, 8)
+#define MT_CH_TIME_CFG_MDRDY_CLR GENMASK(11, 10)
+
+#define MT_BEACON_TIME_CFG 0x1114
+#define MT_BEACON_TIME_CFG_INTVAL GENMASK(15, 0)
+#define MT_BEACON_TIME_CFG_TIMER_EN BIT(16)
+#define MT_BEACON_TIME_CFG_SYNC_MODE GENMASK(18, 17)
+#define MT_BEACON_TIME_CFG_TBTT_EN BIT(19)
+#define MT_BEACON_TIME_CFG_BEACON_TX BIT(20)
+#define MT_BEACON_TIME_CFG_TSF_COMP GENMASK(31, 24)
+
+#define MT_TBTT_SYNC_CFG 0x1118
+#define MT_TBTT_TIMER_CFG 0x1124
+
+#define MT_INT_TIMER_CFG 0x1128
+#define MT_INT_TIMER_CFG_PRE_TBTT GENMASK(15, 0)
+#define MT_INT_TIMER_CFG_GP_TIMER GENMASK(31, 16)
+
+#define MT_INT_TIMER_EN 0x112c
+#define MT_INT_TIMER_EN_PRE_TBTT_EN BIT(0)
+#define MT_INT_TIMER_EN_GP_TIMER_EN BIT(1)
+
+#define MT_CH_IDLE 0x1130
+#define MT_CH_BUSY 0x1134
+#define MT_EXT_CH_BUSY 0x1138
+#define MT_ED_CCA_TIMER 0x1140
+
+#define MT_MAC_STATUS 0x1200
+#define MT_MAC_STATUS_TX BIT(0)
+#define MT_MAC_STATUS_RX BIT(1)
+
+#define MT_PWR_PIN_CFG 0x1204
+#define MT_AUX_CLK_CFG 0x120c
+
+#define MT_BB_PA_MODE_CFG0 0x1214
+#define MT_BB_PA_MODE_CFG1 0x1218
+#define MT_RF_PA_MODE_CFG0 0x121c
+#define MT_RF_PA_MODE_CFG1 0x1220
+
+#define MT_RF_PA_MODE_ADJ0 0x1228
+#define MT_RF_PA_MODE_ADJ1 0x122c
+
+#define MT_DACCLK_EN_DLY_CFG 0x1264
+
+#define MT_EDCA_CFG_BASE 0x1300
+#define MT_EDCA_CFG_AC(_n) (MT_EDCA_CFG_BASE + ((_n) << 2))
+#define MT_EDCA_CFG_TXOP GENMASK(7, 0)
+#define MT_EDCA_CFG_AIFSN GENMASK(11, 8)
+#define MT_EDCA_CFG_CWMIN GENMASK(15, 12)
+#define MT_EDCA_CFG_CWMAX GENMASK(19, 16)
+
+#define MT_TX_PWR_CFG_0 0x1314
+#define MT_TX_PWR_CFG_1 0x1318
+#define MT_TX_PWR_CFG_2 0x131c
+#define MT_TX_PWR_CFG_3 0x1320
+#define MT_TX_PWR_CFG_4 0x1324
+
+#define MT_TX_BAND_CFG 0x132c
+#define MT_TX_BAND_CFG_UPPER_40M BIT(0)
+#define MT_TX_BAND_CFG_5G BIT(1)
+#define MT_TX_BAND_CFG_2G BIT(2)
+
+#define MT_HT_FBK_TO_LEGACY 0x1384
+#define MT_TX_MPDU_ADJ_INT 0x1388
+
+#define MT_TX_PWR_CFG_7 0x13d4
+#define MT_TX_PWR_CFG_8 0x13d8
+#define MT_TX_PWR_CFG_9 0x13dc
+
+#define MT_TX_SW_CFG0 0x1330
+#define MT_TX_SW_CFG1 0x1334
+#define MT_TX_SW_CFG2 0x1338
+
+#define MT_TXOP_CTRL_CFG 0x1340
+
+#define MT_TX_RTS_CFG 0x1344
+#define MT_TX_RTS_CFG_RETRY_LIMIT GENMASK(7, 0)
+#define MT_TX_RTS_CFG_THRESH GENMASK(23, 8)
+#define MT_TX_RTS_FALLBACK BIT(24)
+
+#define MT_TX_TIMEOUT_CFG 0x1348
+#define MT_TX_TIMEOUT_CFG_ACKTO GENMASK(15, 8)
+
+#define MT_TX_RETRY_CFG 0x134c
+#define MT_VHT_HT_FBK_CFG1 0x1358
+
+#define MT_PROT_CFG_RATE GENMASK(15, 0)
+#define MT_PROT_CFG_CTRL GENMASK(17, 16)
+#define MT_PROT_CFG_NAV GENMASK(19, 18)
+#define MT_PROT_CFG_TXOP_ALLOW GENMASK(25, 20)
+#define MT_PROT_CFG_RTS_THRESH BIT(26)
+
+#define MT_CCK_PROT_CFG 0x1364
+#define MT_OFDM_PROT_CFG 0x1368
+#define MT_MM20_PROT_CFG 0x136c
+#define MT_MM40_PROT_CFG 0x1370
+#define MT_GF20_PROT_CFG 0x1374
+#define MT_GF40_PROT_CFG 0x1378
+
+#define MT_EXP_ACK_TIME 0x1380
+
+#define MT_TX_PWR_CFG_0_EXT 0x1390
+#define MT_TX_PWR_CFG_1_EXT 0x1394
+
+#define MT_TX_FBK_LIMIT 0x1398
+#define MT_TX_FBK_LIMIT_MPDU_FBK GENMASK(7, 0)
+#define MT_TX_FBK_LIMIT_AMPDU_FBK GENMASK(15, 8)
+#define MT_TX_FBK_LIMIT_MPDU_UP_CLEAR BIT(16)
+#define MT_TX_FBK_LIMIT_AMPDU_UP_CLEAR BIT(17)
+#define MT_TX_FBK_LIMIT_RATE_LUT BIT(18)
+
+#define MT_TX0_RF_GAIN_CORR 0x13a0
+#define MT_TX1_RF_GAIN_CORR 0x13a4
+
+#define MT_TX_ALC_CFG_0 0x13b0
+#define MT_TX_ALC_CFG_0_CH_INIT_0 GENMASK(5, 0)
+#define MT_TX_ALC_CFG_0_CH_INIT_1 GENMASK(13, 8)
+#define MT_TX_ALC_CFG_0_LIMIT_0 GENMASK(21, 16)
+#define MT_TX_ALC_CFG_0_LIMIT_1 GENMASK(29, 24)
+
+#define MT_TX_ALC_CFG_1 0x13b4
+#define MT_TX_ALC_CFG_1_TEMP_COMP GENMASK(5, 0)
+
+#define MT_TX_ALC_CFG_2 0x13a8
+#define MT_TX_ALC_CFG_2_TEMP_COMP GENMASK(5, 0)
+
+#define MT_TX_ALC_CFG_3 0x13ac
+#define MT_TX_ALC_CFG_4 0x13c0
+#define MT_TX_ALC_CFG_4_LOWGAIN_CH_EN BIT(31)
+
+#define MT_TX_ALC_VGA3 0x13c8
+
+#define MT_TX_PROT_CFG6 0x13e0
+#define MT_TX_PROT_CFG7 0x13e4
+#define MT_TX_PROT_CFG8 0x13e8
+
+#define MT_PIFS_TX_CFG 0x13ec
+
+#define MT_RX_FILTR_CFG 0x1400
+
+#define MT_RX_FILTR_CFG_CRC_ERR BIT(0)
+#define MT_RX_FILTR_CFG_PHY_ERR BIT(1)
+#define MT_RX_FILTR_CFG_PROMISC BIT(2)
+#define MT_RX_FILTR_CFG_OTHER_BSS BIT(3)
+#define MT_RX_FILTR_CFG_VER_ERR BIT(4)
+#define MT_RX_FILTR_CFG_MCAST BIT(5)
+#define MT_RX_FILTR_CFG_BCAST BIT(6)
+#define MT_RX_FILTR_CFG_DUP BIT(7)
+#define MT_RX_FILTR_CFG_CFACK BIT(8)
+#define MT_RX_FILTR_CFG_CFEND BIT(9)
+#define MT_RX_FILTR_CFG_ACK BIT(10)
+#define MT_RX_FILTR_CFG_CTS BIT(11)
+#define MT_RX_FILTR_CFG_RTS BIT(12)
+#define MT_RX_FILTR_CFG_PSPOLL BIT(13)
+#define MT_RX_FILTR_CFG_BA BIT(14)
+#define MT_RX_FILTR_CFG_BAR BIT(15)
+#define MT_RX_FILTR_CFG_CTRL_RSV BIT(16)
+
+#define MT_LEGACY_BASIC_RATE 0x1408
+#define MT_HT_BASIC_RATE 0x140c
+
+#define MT_HT_CTRL_CFG 0x1410
+
+#define MT_EXT_CCA_CFG 0x141c
+#define MT_EXT_CCA_CFG_CCA0 GENMASK(1, 0)
+#define MT_EXT_CCA_CFG_CCA1 GENMASK(3, 2)
+#define MT_EXT_CCA_CFG_CCA2 GENMASK(5, 4)
+#define MT_EXT_CCA_CFG_CCA3 GENMASK(7, 6)
+#define MT_EXT_CCA_CFG_CCA_MASK GENMASK(11, 8)
+#define MT_EXT_CCA_CFG_ED_CCA_MASK GENMASK(15, 12)
+
+#define MT_TX_SW_CFG3 0x1478
+
+#define MT_PN_PAD_MODE 0x150c
+
+#define MT_TXOP_HLDR_ET 0x1608
+
+#define MT_PROT_AUTO_TX_CFG 0x1648
+#define MT_PROT_AUTO_TX_CFG_PROT_PADJ GENMASK(11, 8)
+#define MT_PROT_AUTO_TX_CFG_AUTO_PADJ GENMASK(27, 24)
+
+#define MT_TX_STAT_FIFO 0x1718
+#define MT_TX_STAT_FIFO_VALID BIT(0)
+#define MT_TX_STAT_FIFO_SUCCESS BIT(5)
+#define MT_TX_STAT_FIFO_AGGR BIT(6)
+#define MT_TX_STAT_FIFO_ACKREQ BIT(7)
+#define MT_TX_STAT_FIFO_WCID GENMASK(15, 8)
+#define MT_TX_STAT_FIFO_RATE GENMASK(31, 16)
+
+#define MT_TX_AGG_CNT_BASE0 0x1720
+#define MT_TX_AGG_CNT_BASE1 0x174c
+
+#define MT_TX_AGG_CNT(_id) ((_id) < 8 ? \
+ MT_TX_AGG_CNT_BASE0 + ((_id) << 2) : \
+ MT_TX_AGG_CNT_BASE1 + ((_id - 8) << 2))
+
+#define MT_TX_STAT_FIFO_EXT 0x1798
+#define MT_TX_STAT_FIFO_EXT_RETRY GENMASK(7, 0)
+#define MT_TX_STAT_FIFO_EXT_PKTID GENMASK(15, 8)
+
+#define MT_BBP_CORE_BASE 0x2000
+#define MT_BBP_IBI_BASE 0x2100
+#define MT_BBP_AGC_BASE 0x2300
+#define MT_BBP_TXC_BASE 0x2400
+#define MT_BBP_RXC_BASE 0x2500
+#define MT_BBP_TXO_BASE 0x2600
+#define MT_BBP_TXBE_BASE 0x2700
+#define MT_BBP_RXFE_BASE 0x2800
+#define MT_BBP_RXO_BASE 0x2900
+#define MT_BBP_DFS_BASE 0x2a00
+#define MT_BBP_TR_BASE 0x2b00
+#define MT_BBP_CAL_BASE 0x2c00
+#define MT_BBP_DSC_BASE 0x2e00
+#define MT_BBP_PFMU_BASE 0x2f00
+
+#define MT_BBP(_type, _n) (MT_BBP_##_type##_BASE + ((_n) << 2))
+
+#define MT_BBP_CORE_R1_BW GENMASK(4, 3)
+
+#define MT_BBP_AGC_R0_CTRL_CHAN GENMASK(9, 8)
+#define MT_BBP_AGC_R0_BW GENMASK(14, 12)
+
+/* AGC, R4/R5 */
+#define MT_BBP_AGC_LNA_GAIN GENMASK(21, 16)
+
+/* AGC, R8/R9 */
+#define MT_BBP_AGC_GAIN GENMASK(14, 8)
+
+#define MT_BBP_AGC20_RSSI0 GENMASK(7, 0)
+#define MT_BBP_AGC20_RSSI1 GENMASK(15, 8)
+
+#define MT_BBP_TXBE_R0_CTRL_CHAN GENMASK(1, 0)
+
+#define MT_WCID_ADDR_BASE 0x1800
+#define MT_WCID_ADDR(_n) (MT_WCID_ADDR_BASE + (_n) * 8)
+
+#define MT_SRAM_BASE 0x4000
+
+#define MT_WCID_KEY_BASE 0x8000
+#define MT_WCID_KEY(_n) (MT_WCID_KEY_BASE + (_n) * 32)
+
+#define MT_WCID_IV_BASE 0xa000
+#define MT_WCID_IV(_n) (MT_WCID_IV_BASE + (_n) * 8)
+
+#define MT_WCID_ATTR_BASE 0xa800
+#define MT_WCID_ATTR(_n) (MT_WCID_ATTR_BASE + (_n) * 4)
+
+#define MT_WCID_ATTR_PAIRWISE BIT(0)
+#define MT_WCID_ATTR_PKEY_MODE GENMASK(3, 1)
+#define MT_WCID_ATTR_BSS_IDX GENMASK(6, 4)
+#define MT_WCID_ATTR_RXWI_UDF GENMASK(9, 7)
+#define MT_WCID_ATTR_PKEY_MODE_EXT BIT(10)
+#define MT_WCID_ATTR_BSS_IDX_EXT BIT(11)
+#define MT_WCID_ATTR_WAPI_MCBC BIT(15)
+#define MT_WCID_ATTR_WAPI_KEYID GENMASK(31, 24)
+
+#define MT_SKEY_BASE_0 0xac00
+#define MT_SKEY_BASE_1 0xb400
+#define MT_SKEY_0(_bss, _idx) (MT_SKEY_BASE_0 + (4 * (_bss) + _idx) * 32)
+#define MT_SKEY_1(_bss, _idx) (MT_SKEY_BASE_1 + (4 * ((_bss) & 7) + _idx) * 32)
+#define MT_SKEY(_bss, _idx) ((_bss & 8) ? MT_SKEY_1(_bss, _idx) : MT_SKEY_0(_bss, _idx))
+
+#define MT_SKEY_MODE_BASE_0 0xb000
+#define MT_SKEY_MODE_BASE_1 0xb3f0
+#define MT_SKEY_MODE_0(_bss) (MT_SKEY_MODE_BASE_0 + ((_bss / 2) << 2))
+#define MT_SKEY_MODE_1(_bss) (MT_SKEY_MODE_BASE_1 + ((((_bss) & 7) / 2) << 2))
+#define MT_SKEY_MODE(_bss) ((_bss & 8) ? MT_SKEY_MODE_1(_bss) : MT_SKEY_MODE_0(_bss))
+#define MT_SKEY_MODE_MASK GENMASK(3, 0)
+#define MT_SKEY_MODE_SHIFT(_bss, _idx) (4 * ((_idx) + 4 * (_bss & 1)))
+
+#define MT_BEACON_BASE 0xc000
+
+#define MT_TEMP_SENSOR 0x1d000
+#define MT_TEMP_SENSOR_VAL GENMASK(6, 0)
+
+struct mt76_wcid_addr {
+ u8 macaddr[6];
+ __le16 ba_mask;
+} __packed __aligned(4);
+
+struct mt76_wcid_key {
+ u8 key[16];
+ u8 tx_mic[8];
+ u8 rx_mic[8];
+} __packed __aligned(4);
+
+enum mt76x2_cipher_type {
+ MT_CIPHER_NONE,
+ MT_CIPHER_WEP40,
+ MT_CIPHER_WEP104,
+ MT_CIPHER_TKIP,
+ MT_CIPHER_AES_CCMP,
+ MT_CIPHER_CKIP40,
+ MT_CIPHER_CKIP104,
+ MT_CIPHER_CKIP128,
+ MT_CIPHER_WAPI,
+};
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_trace.c b/drivers/net/wireless/mediatek/mt76/mt76x2_trace.c
new file mode 100644
index 0000000..a09f117
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_trace.c
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/module.h>
+
+#ifndef __CHECKER__
+#define CREATE_TRACE_POINTS
+#include "mt76x2_trace.h"
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_trace.h b/drivers/net/wireless/mediatek/mt76/mt76x2_trace.h
new file mode 100644
index 0000000..4cd4241
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_trace.h
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(__MT76x2_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define __MT76x2_TRACE_H
+
+#include <linux/tracepoint.h>
+#include "mt76x2.h"
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mt76x2
+
+#define MAXNAME 32
+#define DEV_ENTRY __array(char, wiphy_name, 32)
+#define DEV_ASSIGN strlcpy(__entry->wiphy_name, wiphy_name(mt76_hw(dev)->wiphy), MAXNAME)
+#define DEV_PR_FMT "%s"
+#define DEV_PR_ARG __entry->wiphy_name
+
+#define TXID_ENTRY __field(u8, wcid) __field(u8, pktid)
+#define TXID_ASSIGN __entry->wcid = wcid; __entry->pktid = pktid
+#define TXID_PR_FMT " [%d:%d]"
+#define TXID_PR_ARG __entry->wcid, __entry->pktid
+
+DECLARE_EVENT_CLASS(dev_evt,
+ TP_PROTO(struct mt76x2_dev *dev),
+ TP_ARGS(dev),
+ TP_STRUCT__entry(
+ DEV_ENTRY
+ ),
+ TP_fast_assign(
+ DEV_ASSIGN;
+ ),
+ TP_printk(DEV_PR_FMT, DEV_PR_ARG)
+);
+
+DECLARE_EVENT_CLASS(dev_txid_evt,
+ TP_PROTO(struct mt76x2_dev *dev, u8 wcid, u8 pktid),
+ TP_ARGS(dev, wcid, pktid),
+ TP_STRUCT__entry(
+ DEV_ENTRY
+ TXID_ENTRY
+ ),
+ TP_fast_assign(
+ DEV_ASSIGN;
+ TXID_ASSIGN;
+ ),
+ TP_printk(
+ DEV_PR_FMT TXID_PR_FMT,
+ DEV_PR_ARG, TXID_PR_ARG
+ )
+);
+
+DEFINE_EVENT(dev_evt, mac_txstat_poll,
+ TP_PROTO(struct mt76x2_dev *dev),
+ TP_ARGS(dev)
+);
+
+DEFINE_EVENT(dev_txid_evt, mac_txdone_add,
+ TP_PROTO(struct mt76x2_dev *dev, u8 wcid, u8 pktid),
+ TP_ARGS(dev, wcid, pktid)
+);
+
+TRACE_EVENT(mac_txstat_fetch,
+ TP_PROTO(struct mt76x2_dev *dev,
+ struct mt76x2_tx_status *stat),
+
+ TP_ARGS(dev, stat),
+
+ TP_STRUCT__entry(
+ DEV_ENTRY
+ TXID_ENTRY
+ __field(bool, success)
+ __field(bool, aggr)
+ __field(bool, ack_req)
+ __field(u16, rate)
+ __field(u8, retry)
+ ),
+
+ TP_fast_assign(
+ DEV_ASSIGN;
+ __entry->success = stat->success;
+ __entry->aggr = stat->aggr;
+ __entry->ack_req = stat->ack_req;
+ __entry->wcid = stat->wcid;
+ __entry->pktid = stat->pktid;
+ __entry->rate = stat->rate;
+ __entry->retry = stat->retry;
+ ),
+
+ TP_printk(
+ DEV_PR_FMT TXID_PR_FMT
+ " success:%d aggr:%d ack_req:%d"
+ " rate:%04x retry:%d",
+ DEV_PR_ARG, TXID_PR_ARG,
+ __entry->success, __entry->aggr, __entry->ack_req,
+ __entry->rate, __entry->retry
+ )
+);
+
+
+TRACE_EVENT(dev_irq,
+ TP_PROTO(struct mt76x2_dev *dev, u32 val, u32 mask),
+
+ TP_ARGS(dev, val, mask),
+
+ TP_STRUCT__entry(
+ DEV_ENTRY
+ __field(u32, val)
+ __field(u32, mask)
+ ),
+
+ TP_fast_assign(
+ DEV_ASSIGN;
+ __entry->val = val;
+ __entry->mask = mask;
+ ),
+
+ TP_printk(
+ DEV_PR_FMT " %08x & %08x",
+ DEV_PR_ARG, __entry->val, __entry->mask
+ )
+);
+
+#endif
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE mt76x2_trace
+
+#include <trace/define_trace.h>
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c b/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c
new file mode 100644
index 0000000..1517b31
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c
@@ -0,0 +1,262 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@xxxxxxxx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "mt76x2.h"
+#include "mt76x2_dma.h"
+
+struct beacon_bc_data {
+ struct mt76x2_dev *dev;
+ struct sk_buff_head q;
+ struct sk_buff *tail[8];
+};
+
+void mt76x2_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct mt76x2_dev *dev = hw->priv;
+ struct ieee80211_vif *vif = info->control.vif;
+ struct mt76_wcid *wcid = &dev->global_wcid;
+
+ if (control->sta) {
+ struct mt76x2_sta *msta;
+
+ msta = (struct mt76x2_sta *) control->sta->drv_priv;
+ wcid = &msta->wcid;
+ } else if (vif) {
+ struct mt76x2_vif *mvif;
+
+ mvif = (struct mt76x2_vif *) vif->drv_priv;
+ wcid = &mvif->group_wcid;
+ }
+
+ mt76_tx(&dev->mt76, control->sta, wcid, skb);
+}
+
+void mt76x2_tx_complete(struct mt76x2_dev *dev, struct sk_buff *skb)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+ if (info->flags & IEEE80211_TX_CTL_AMPDU) {
+ ieee80211_free_txskb(mt76_hw(dev), skb);
+ } else {
+ ieee80211_tx_info_clear_status(info);
+ info->status.rates[0].idx = -1;
+ info->flags |= IEEE80211_TX_STAT_ACK;
+ ieee80211_tx_status(mt76_hw(dev), skb);
+ }
+}
+
+s8 mt76x2_tx_get_max_txpwr_adj(struct mt76x2_dev *dev,
+ const struct ieee80211_tx_rate *rate)
+{
+ s8 max_txpwr;
+
+ if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
+ u8 mcs = ieee80211_rate_get_vht_mcs(rate);
+
+ if (mcs == 8 || mcs == 9) {
+ max_txpwr = dev->rate_power.vht[8];
+ } else {
+ u8 nss, idx;
+
+ nss = ieee80211_rate_get_vht_nss(rate);
+ idx = ((nss - 1) << 3) + mcs;
+ max_txpwr = dev->rate_power.ht[idx & 0xf];
+ }
+ } else if (rate->flags & IEEE80211_TX_RC_MCS) {
+ max_txpwr = dev->rate_power.ht[rate->idx & 0xf];
+ } else {
+ enum nl80211_band band = dev->mt76.chandef.chan->band;
+
+ if (band == NL80211_BAND_2GHZ) {
+ const struct ieee80211_rate *r;
+ struct wiphy *wiphy = mt76_hw(dev)->wiphy;
+ struct mt76_rate_power *rp = &dev->rate_power;
+
+ r = &wiphy->bands[band]->bitrates[rate->idx];
+ if (r->flags & IEEE80211_RATE_SHORT_PREAMBLE)
+ max_txpwr = rp->cck[r->hw_value & 0x3];
+ else
+ max_txpwr = rp->ofdm[r->hw_value & 0x7];
+ } else {
+ max_txpwr = dev->rate_power.ofdm[rate->idx & 0x7];
+ }
+ }
+
+ return max_txpwr;
+}
+
+s8 mt76x2_tx_get_txpwr_adj(struct mt76x2_dev *dev, s8 txpwr, s8 max_txpwr_adj)
+{
+ txpwr = min_t(s8, txpwr, dev->txpower_conf);
+ txpwr -= (dev->target_power + dev->target_power_delta[0]);
+ txpwr = min_t(s8, txpwr, max_txpwr_adj);
+
+ if (!dev->enable_tpc)
+ return 0;
+ else if (txpwr >= 0)
+ return min_t(s8, txpwr, 7);
+ else
+ return (txpwr < -16) ? 8 : (txpwr + 32) / 2;
+}
+
+void mt76x2_tx_set_txpwr_auto(struct mt76x2_dev *dev, s8 txpwr)
+{
+ s8 txpwr_adj;
+
+ txpwr_adj = mt76x2_tx_get_txpwr_adj(dev, txpwr,
+ dev->rate_power.ofdm[4]);
+ mt76_rmw_field(dev, MT_PROT_AUTO_TX_CFG,
+ MT_PROT_AUTO_TX_CFG_PROT_PADJ, txpwr_adj);
+ mt76_rmw_field(dev, MT_PROT_AUTO_TX_CFG,
+ MT_PROT_AUTO_TX_CFG_AUTO_PADJ, txpwr_adj);
+}
+
+static int mt76x2_insert_hdr_pad(struct sk_buff *skb)
+{
+ int len = ieee80211_get_hdrlen_from_skb(skb);
+ int ret;
+
+ if (len % 4 == 0)
+ return 0;
+
+ if (skb_headroom(skb) < 2) {
+ ret = pskb_expand_head(skb, 2, 0, GFP_ATOMIC);
+ if (ret != 0)
+ return ret;
+ }
+
+ skb_push(skb, 2);
+ memmove(skb->data, skb->data + 2, len);
+
+ skb->data[len] = 0;
+ skb->data[len + 1] = 0;
+ return 2;
+}
+
+int mt76x2_tx_prepare_skb(struct mt76_dev *mdev, void *txwi,
+ struct sk_buff *skb, struct mt76_queue *q,
+ struct mt76_wcid *wcid, struct ieee80211_sta *sta,
+ u32 *tx_info)
+{
+ struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76);
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ int qsel = MT_QSEL_EDCA;
+ int ret;
+
+ mt76x2_mac_write_txwi(dev, txwi, skb, wcid, sta);
+
+ ret = mt76x2_insert_hdr_pad(skb);
+ if (ret < 0)
+ return ret;
+
+ if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE)
+ qsel = 0;
+
+ *tx_info = FIELD_PREP(MT_TXD_INFO_QSEL, qsel) |
+ MT_TXD_INFO_80211;
+
+ if (!wcid || wcid->hw_key_idx == 0xff)
+ *tx_info |= MT_TXD_INFO_WIV;
+
+ return 0;
+}
+
+static void
+mt76x2_update_beacon_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
+{
+ struct mt76x2_dev *dev = (struct mt76x2_dev *) priv;
+ struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv;
+ struct sk_buff *skb = NULL;
+
+ if (!(dev->beacon_mask & BIT(mvif->idx)))
+ return;
+
+ skb = ieee80211_beacon_get(mt76_hw(dev), vif);
+ if (!skb)
+ return;
+
+ mt76x2_mac_set_beacon(dev, mvif->idx, skb);
+}
+
+static void
+mt76x2_add_buffered_bc(void *priv, u8 *mac, struct ieee80211_vif *vif)
+{
+ struct beacon_bc_data *data = priv;
+ struct mt76x2_dev *dev = data->dev;
+ struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv;
+ struct ieee80211_tx_info *info;
+ struct sk_buff *skb;
+
+ if (!(dev->beacon_mask & BIT(mvif->idx)))
+ return;
+
+ skb = ieee80211_get_buffered_bc(mt76_hw(dev), vif);
+ if (!skb)
+ return;
+
+ info = IEEE80211_SKB_CB(skb);
+ info->control.vif = vif;
+ info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ;
+ mt76_skb_set_moredata(skb, true);
+ __skb_queue_tail(&data->q, skb);
+ data->tail[mvif->idx] = skb;
+}
+
+void mt76x2_pre_tbtt_tasklet(unsigned long arg)
+{
+ struct mt76x2_dev *dev = (struct mt76x2_dev *) arg;
+ struct mt76_queue *q = &dev->mt76.q_tx[MT_TXQ_PSD];
+ struct beacon_bc_data data = {};
+ struct sk_buff *skb;
+ int i, nframes;
+
+ data.dev = dev;
+ __skb_queue_head_init(&data.q);
+
+ ieee80211_iterate_active_interfaces_atomic(mt76_hw(dev),
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ mt76x2_update_beacon_iter, dev);
+
+ do {
+ nframes = skb_queue_len(&data.q);
+ ieee80211_iterate_active_interfaces_atomic(mt76_hw(dev),
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ mt76x2_add_buffered_bc, &data);
+ } while (nframes != skb_queue_len(&data.q));
+
+ if (!nframes)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(data.tail); i++) {
+ if (!data.tail[i])
+ continue;
+
+ mt76_skb_set_moredata(data.tail[i], false);
+ }
+
+ spin_lock_bh(&q->lock);
+ while ((skb = __skb_dequeue(&data.q)) != NULL) {
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_vif *vif = info->control.vif;
+ struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv;
+
+ mt76_tx_queue_skb(&dev->mt76, q, skb, &mvif->group_wcid, NULL);
+ }
+ spin_unlock_bh(&q->lock);
+}
+
--
2.8.4
