Core files of mt76x0 driver.

mt76x0 driver adds support for Mediatek MT7610U based
USB Wi-Fi dongles.

Signed-off-by: Stanislaw Gruszka <sgrus...@redhat.com>
---
 drivers/net/wireless/mediatek/mt76/mt76x0/core.c   |  34 ++
 drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h | 376 ++++++++++++
 drivers/net/wireless/mediatek/mt76/mt76x0/regs.h   | 651 +++++++++++++++++++++
 drivers/net/wireless/mediatek/mt76/mt76x0/util.c   |  42 ++
 4 files changed, 1103 insertions(+)
 create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x0/core.c
 create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h
 create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x0/regs.h
 create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x0/util.c

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/core.c 
b/drivers/net/wireless/mediatek/mt76/mt76x0/core.c
new file mode 100644
index 000000000000..892803fce842
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/core.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2014 Felix Fietkau <n...@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubak...@wp.pl>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "mt76x0.h"
+
+int mt76x0_wait_asic_ready(struct mt76x0_dev *dev)
+{
+       int i = 100;
+       u32 val;
+
+       do {
+               if (test_bit(MT76_REMOVED, &dev->mt76.state))
+                       return -EIO;
+
+               val = mt76_rr(dev, MT_MAC_CSR0);
+               if (val && ~val)
+                       return 0;
+
+               udelay(10);
+       } while (i--);
+
+       return -EIO;
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h 
b/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h
new file mode 100644
index 000000000000..069392a70606
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h
@@ -0,0 +1,376 @@
+/*
+ * Copyright (C) 2014 Felix Fietkau <n...@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubak...@wp.pl>
+ * Copyright (C) 2018 Stanislaw Gruszka <stf...@wp.pl>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef MT76X0U_H
+#define MT76X0U_H
+
+#include <linux/bitfield.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/mutex.h>
+#include <linux/usb.h>
+#include <linux/completion.h>
+#include <net/mac80211.h>
+#include <linux/debugfs.h>
+
+#include "../mt76.h"
+#include "regs.h"
+
+#define MT_CALIBRATE_INTERVAL          (4 * HZ)
+
+#define MT_FREQ_CAL_INIT_DELAY         (30 * HZ)
+#define MT_FREQ_CAL_CHECK_INTERVAL     (10 * HZ)
+#define MT_FREQ_CAL_ADJ_INTERVAL       (HZ / 2)
+
+#define MT_BBP_REG_VERSION             0x00
+
+#define MT_USB_AGGR_SIZE_LIMIT         21 /* * 1024B */
+#define MT_USB_AGGR_TIMEOUT            0x80 /* * 33ns */
+#define MT_RX_ORDER                    3
+#define MT_RX_URB_SIZE                 (PAGE_SIZE << MT_RX_ORDER)
+
+struct mt76x0_dma_buf {
+       struct urb *urb;
+       void *buf;
+       dma_addr_t dma;
+       size_t len;
+};
+
+struct mt76x0_mcu {
+       struct mutex mutex;
+
+       u8 msg_seq;
+
+       struct mt76x0_dma_buf resp;
+       struct completion resp_cmpl;
+
+       struct mt76_reg_pair *reg_pairs;
+       unsigned int reg_pairs_len;
+       u32 reg_base;
+       bool burst_read;
+};
+
+struct mac_stats {
+       u64 rx_stat[6];
+       u64 tx_stat[6];
+       u64 aggr_stat[2];
+       u64 aggr_n[32];
+       u64 zero_len_del[2];
+};
+
+#define N_RX_ENTRIES   16
+struct mt76x0_rx_queue {
+       struct mt76x0_dev *dev;
+
+       struct mt76x0_dma_buf_rx {
+               struct urb *urb;
+               struct page *p;
+       } e[N_RX_ENTRIES];
+
+       unsigned int start;
+       unsigned int end;
+       unsigned int entries;
+       unsigned int pending;
+};
+
+#define N_TX_ENTRIES   64
+
+struct mt76x0_tx_queue {
+       struct mt76x0_dev *dev;
+
+       struct mt76x0_dma_buf_tx {
+               struct urb *urb;
+               struct sk_buff *skb;
+       } e[N_TX_ENTRIES];
+
+       unsigned int start;
+       unsigned int end;
+       unsigned int entries;
+       unsigned int used;
+       unsigned int fifo_seq;
+};
+
+/* WCID allocation:
+ *     0: mcast wcid
+ *     1: bssid wcid
+ *  1...: STAs
+ * ...7e: group wcids
+ *    7f: reserved
+ */
+#define N_WCIDS                128
+#define GROUP_WCID(idx)        (254 - idx)
+
+struct mt76x0_eeprom_params;
+
+#define MT_EE_TEMPERATURE_SLOPE                39
+#define MT_FREQ_OFFSET_INVALID         -128
+
+/* addr req mask */
+#define MT_VEND_TYPE_EEPROM    BIT(31)
+#define MT_VEND_TYPE_CFG       BIT(30)
+#define MT_VEND_TYPE_MASK      (MT_VEND_TYPE_EEPROM | MT_VEND_TYPE_CFG)
+
+#define MT_VEND_ADDR(type, n)  (MT_VEND_TYPE_##type | (n))
+enum mt_vendor_req {
+       MT_VEND_DEV_MODE =      0x1,
+       MT_VEND_WRITE =         0x2,
+       MT_VEND_MULTI_WRITE =   0x6,
+       MT_VEND_MULTI_READ =    0x7,
+       MT_VEND_READ_EEPROM =   0x9,
+       MT_VEND_WRITE_FCE =     0x42,
+       MT_VEND_WRITE_CFG =     0x46,
+       MT_VEND_READ_CFG =      0x47,
+};
+
+enum mt_temp_mode {
+       MT_TEMP_MODE_NORMAL,
+       MT_TEMP_MODE_HIGH,
+       MT_TEMP_MODE_LOW,
+};
+
+enum mt_bw {
+       MT_BW_20,
+       MT_BW_40,
+};
+
+enum mt76_usb_in_ep {
+       MT_EP_IN_PKT_RX,
+       MT_EP_IN_CMD_RESP,
+       __MT_EP_IN_MAX,
+};
+
+enum mt76_usb_out_ep {
+       MT_EP_OUT_INBAND_CMD,
+       MT_EP_OUT_AC_BK,
+       MT_EP_OUT_AC_BE,
+       MT_EP_OUT_AC_VI,
+       MT_EP_OUT_AC_VO,
+       MT_EP_OUT_HCCA,
+       __MT_EP_OUT_MAX,
+};
+
+/* Map hardware queues to usb endpoints */
+static inline u8 q2ep(u8 qid)
+{
+       /* TODO: take management packets to queue 5 */
+       return qid + 1;
+}
+
+/* Hardware uses mirrored order of queues with Q3
+ * having the highest priority
+ */
+static inline u8 q2hwq(u8 q)
+{
+       return q ^ 0x3;
+}
+
+/**
+ * struct mt76x0_dev - adapter structure
+ * @lock:              protects @wcid->tx_rate.
+ * @mac_lock:          locks out mac80211's tx status and rx paths.
+ * @tx_lock:           protects @tx_q and changes of MT76_STATE_*_STATS
+ *                     flags in @state.
+ * @rx_lock:           protects @rx_q.
+ * @con_mon_lock:      protects @ap_bssid, @bcn_*, @avg_rssi.
+ * @mutex:             ensures exclusive access from mac80211 callbacks.
+ * @reg_atomic_mutex:  ensures atomicity of indirect register accesses
+ *                     (accesses to RF and BBP).
+ * @hw_atomic_mutex:   ensures exclusive access to HW during critical
+ *                     operations (power management, channel switch).
+ */
+struct mt76x0_dev {
+       struct mt76_dev mt76; /* must be first */
+
+       struct mutex mutex;
+
+       struct mutex usb_ctrl_mtx;
+       u8 data[32];
+
+       struct tasklet_struct rx_tasklet;
+       struct tasklet_struct tx_tasklet;
+
+       u8 out_ep[__MT_EP_OUT_MAX];
+       u16 out_max_packet;
+       u8 in_ep[__MT_EP_IN_MAX];
+       u16 in_max_packet;
+
+       unsigned long wcid_mask[DIV_ROUND_UP(N_WCIDS, BITS_PER_LONG)];
+       unsigned long vif_mask;
+
+       struct mt76x0_mcu mcu;
+
+       struct delayed_work cal_work;
+       struct delayed_work mac_work;
+
+       struct workqueue_struct *stat_wq;
+       struct delayed_work stat_work;
+
+       struct mt76_wcid *mon_wcid;
+       struct mt76_wcid __rcu *wcid[N_WCIDS];
+
+       spinlock_t mac_lock;
+
+       const u16 *beacon_offsets;
+
+       u8 macaddr[ETH_ALEN];
+       struct mt76x0_eeprom_params *ee;
+
+       struct mutex reg_atomic_mutex;
+       struct mutex hw_atomic_mutex;
+
+       u32 rxfilter;
+       u32 debugfs_reg;
+
+       /* TX */
+       spinlock_t tx_lock;
+       struct mt76x0_tx_queue *tx_q;
+       struct sk_buff_head tx_skb_done;
+
+       atomic_t avg_ampdu_len;
+
+       /* RX */
+       spinlock_t rx_lock;
+       struct mt76x0_rx_queue rx_q;
+
+       /* Connection monitoring things */
+       spinlock_t con_mon_lock;
+       u8 ap_bssid[ETH_ALEN];
+
+       s8 bcn_freq_off;
+       u8 bcn_phy_mode;
+
+       int avg_rssi; /* starts at 0 and converges */
+
+       u8 agc_save;
+       u16 chainmask;
+
+       struct mac_stats stats;
+};
+
+struct mt76x0_wcid {
+       u8 idx;
+       u8 hw_key_idx;
+
+       u16 tx_rate;
+       bool tx_rate_set;
+       u8 tx_rate_nss;
+};
+
+struct mt76_vif {
+       u8 idx;
+
+       struct mt76_wcid group_wcid;
+};
+
+struct mt76_tx_status {
+       u8 valid:1;
+       u8 success:1;
+       u8 aggr:1;
+       u8 ack_req:1;
+       u8 is_probe:1;
+       u8 wcid;
+       u8 pktid;
+       u8 retry;
+       u16 rate;
+} __packed __aligned(2);
+
+struct mt76_sta {
+       struct mt76_wcid wcid;
+       struct mt76_tx_status status;
+       int n_frames;
+       u16 agg_ssn[IEEE80211_NUM_TIDS];
+};
+
+struct mt76_reg_pair {
+       u32 reg;
+       u32 value;
+};
+
+struct mt76x0_rxwi;
+
+extern const struct ieee80211_ops mt76x0_ops;
+
+static inline bool is_mt7610e(struct mt76x0_dev *dev)
+{
+       /* TODO */
+       return false;
+}
+
+void mt76x0_init_debugfs(struct mt76x0_dev *dev);
+
+int mt76x0_wait_asic_ready(struct mt76x0_dev *dev);
+
+/* Compatibility with mt76 */
+#define mt76_rmw_field(_dev, _reg, _field, _val)       \
+       mt76_rmw(_dev, _reg, _field, FIELD_PREP(_field, _val))
+
+int mt76x0_write_reg_pairs(struct mt76x0_dev *dev, u32 base,
+                           const struct mt76_reg_pair *data, int len);
+int mt76x0_read_reg_pairs(struct mt76x0_dev *dev, u32 base,
+                         struct mt76_reg_pair *data, int len);
+int mt76x0_burst_write_regs(struct mt76x0_dev *dev, u32 offset,
+                            const u32 *data, int n);
+void mt76x0_addr_wr(struct mt76x0_dev *dev, const u32 offset, const u8 *addr);
+
+/* Init */
+struct mt76x0_dev *mt76x0_alloc_device(struct device *dev);
+int mt76x0_init_hardware(struct mt76x0_dev *dev);
+int mt76x0_register_device(struct mt76x0_dev *dev);
+void mt76x0_cleanup(struct mt76x0_dev *dev);
+
+int mt76x0_mac_start(struct mt76x0_dev *dev);
+void mt76x0_mac_stop(struct mt76x0_dev *dev);
+
+/* PHY */
+void mt76x0_phy_init(struct mt76x0_dev *dev);
+int mt76x0_wait_bbp_ready(struct mt76x0_dev *dev);
+void mt76x0_agc_save(struct mt76x0_dev *dev);
+void mt76x0_agc_restore(struct mt76x0_dev *dev);
+int mt76x0_phy_set_channel(struct mt76x0_dev *dev,
+                           struct cfg80211_chan_def *chandef);
+void mt76x0_phy_recalibrate_after_assoc(struct mt76x0_dev *dev);
+int mt76x0_phy_get_rssi(struct mt76x0_dev *dev, struct mt76x0_rxwi *rxwi);
+void mt76x0_phy_con_cal_onoff(struct mt76x0_dev *dev,
+                              struct ieee80211_bss_conf *info);
+
+/* MAC */
+void mt76x0_mac_work(struct work_struct *work);
+void mt76x0_mac_set_protection(struct mt76x0_dev *dev, bool legacy_prot,
+                               int ht_mode);
+void mt76x0_mac_set_short_preamble(struct mt76x0_dev *dev, bool short_preamb);
+void mt76x0_mac_config_tsf(struct mt76x0_dev *dev, bool enable, int interval);
+void
+mt76x0_mac_wcid_setup(struct mt76x0_dev *dev, u8 idx, u8 vif_idx, u8 *mac);
+void mt76x0_mac_set_ampdu_factor(struct mt76x0_dev *dev);
+
+/* TX */
+void mt76x0_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
+               struct sk_buff *skb);
+int mt76x0_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+                   u16 queue, const struct ieee80211_tx_queue_params *params);
+void mt76x0_tx_status(struct mt76x0_dev *dev, struct sk_buff *skb);
+void mt76x0_tx_stat(struct work_struct *work);
+
+/* util */
+void mt76_remove_hdr_pad(struct sk_buff *skb);
+int mt76_insert_hdr_pad(struct sk_buff *skb);
+
+int mt76x0_dma_init(struct mt76x0_dev *dev);
+void mt76x0_dma_cleanup(struct mt76x0_dev *dev);
+
+int mt76x0_dma_enqueue_tx(struct mt76x0_dev *dev, struct sk_buff *skb,
+                          struct mt76_wcid *wcid, int hw_q);
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/regs.h 
b/drivers/net/wireless/mediatek/mt76/mt76x0/regs.h
new file mode 100644
index 000000000000..16bed4aaa242
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/regs.h
@@ -0,0 +1,651 @@
+/*
+ * Copyright (C) 2014 Felix Fietkau <n...@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubak...@wp.pl>
+ * Copyright (C) 2018 Stanislaw Gruszka <stf...@wp.pl>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MT76_REGS_H
+#define __MT76_REGS_H
+
+#include <linux/bitops.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_COEXCFG3                    0x004c
+
+#define MT_LDO_CTRL_0                  0x006c
+#define MT_LDO_CTRL_1                  0x0070
+
+#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_IOCFG_6                     0x0124
+#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_WMM_CTRL                    0x0230 /* MT76x0 */
+
+#define MT_FCE_DMA_ADDR                        0x0230
+#define MT_FCE_DMA_LEN                 0x0234
+
+#define MT_USB_DMA_CFG                 0x238
+#define MT_USB_DMA_CFG_RX_BULK_AGG_TOUT        GENMASK(7, 0)
+#define MT_USB_DMA_CFG_RX_BULK_AGG_LMT GENMASK(15, 8)
+#define MT_USB_DMA_CFG_TX_WL_DROP      BIT(16)
+#define MT_USB_DMA_CFG_WAKEUP_EN       BIT(17)
+#define MT_USB_DMA_CFG_RX_DROP_OR_PADDING      BIT(18)
+#define MT_USB_DMA_CFG_TX_CLR          BIT(19)
+#define MT_USB_DMA_CFG_WL_LPK_EN       BIT(20)
+#define MT_USB_DMA_CFG_RX_BULK_AGG_EN  BIT(21)
+#define MT_USB_DMA_CFG_RX_BULK_EN      BIT(22)
+#define MT_USB_DMA_CFG_TX_BULK_EN      BIT(23)
+#define MT_USB_DMA_CFG_EP_OUT_VALID    GENMASK(29, 24)
+#define MT_USB_DMA_CFG_RX_BUSY         BIT(30)
+#define MT_USB_DMA_CFG_TX_BUSY         BIT(31)
+#if 0
+#define MT_USB_DMA_CFG_TX_CLR          BIT(19)
+#define MT_USB_DMA_CFG_TXOP_HALT       BIT(20)
+#define MT_USB_DMA_CFG_RX_BULK_AGG_EN  BIT(21)
+#define MT_USB_DMA_CFG_RX_BULK_EN      BIT(22)
+#define MT_USB_DMA_CFG_TX_BULK_EN      BIT(23)
+#define MT_USB_DMA_CFG_UDMA_RX_WL_DROP BIT(25)
+#endif
+
+#define MT_TSO_CTRL                    0x0250
+#define MT_HEADER_TRANS_CTRL_REG       0x0260
+
+#define MT_US_CYC_CFG                  0x02a4
+#define MT_US_CYC_CNT                  GENMASK(7, 0)
+
+#define MT_TX_RING_BASE                        0x0300
+#define MT_RX_RING_BASE                        0x03c0
+#define MT_RING_SIZE                   0x10
+
+#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_RXQ_STA                     0x0430
+#define MT_TXQ_STA                     0x0434
+#define        MT_RF_CSR_CFG                   0x0500
+#define MT_RF_CSR_CFG_DATA             GENMASK(7, 0)
+#define MT_RF_CSR_CFG_REG_ID           GENMASK(13, 8)
+#define MT_RF_CSR_CFG_REG_BANK         GENMASK(17, 14)
+#define MT_RF_CSR_CFG_WR               BIT(30)
+#define MT_RF_CSR_CFG_KICK             BIT(31)
+
+#define MT_RF_BYPASS_0                 0x0504
+#define MT_RF_BYPASS_1                 0x0508
+#define MT_RF_SETTING_0                        0x050c
+
+#define MT_RF_MISC                     0x0518
+#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_COM_REG0                    0x0730
+#define MT_COM_REG1                    0x0734
+#define MT_COM_REG2                    0x0738
+#define MT_COM_REG3                    0x073C
+
+#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_TX_CPU_FROM_FCE_BASE_PTR    0x09a0
+#define MT_TX_CPU_FROM_FCE_MAX_COUNT   0x09a4
+#define MT_TX_CPU_FROM_FCE_CPU_DESC_IDX        0x09a8
+
+#define MT_FCE_PDMA_GLOBAL_CONF                0x09c4
+
+#define MT_PAUSE_ENABLE_CONTROL1       0x0a38
+
+#define MT_FCE_SKIP_FS                 0x0a6c
+
+#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_ADDR_DW1_U2ME_MASK      GENMASK(23, 16)
+
+#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_MAX_LEN_CFG_AMPDU           GENMASK(13, 12)
+
+#define MT_LED_CFG                     0x102c
+
+#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_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_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_TXOP_TRUN_EN                        GENMASK(5, 0)
+#define MT_TXOP_EXT_CCA_DLY            GENMASK(15, 8)
+#define MT_TXOP_CTRL
+
+#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_RETRY_CFG                        0x134c
+#define MT_TX_LINK_CFG                 0x1350
+#define MT_HT_FBK_CFG0                 0x1354
+#define MT_HT_FBK_CFG1                 0x1358
+#define MT_LG_FBK_CFG0                 0x135c
+#define MT_LG_FBK_CFG1                 0x1360
+
+#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_PROT_RATE                   GENMASK(15, 0)
+#define MT_PROT_CTRL_RTS_CTS           BIT(16)
+#define MT_PROT_CTRL_CTS2SELF          BIT(17)
+#define MT_PROT_NAV_SHORT              BIT(18)
+#define MT_PROT_NAV_LONG               BIT(19)
+#define MT_PROT_TXOP_ALLOW_CCK         BIT(20)
+#define MT_PROT_TXOP_ALLOW_OFDM                BIT(21)
+#define MT_PROT_TXOP_ALLOW_MM20                BIT(22)
+#define MT_PROT_TXOP_ALLOW_MM40                BIT(23)
+#define MT_PROT_TXOP_ALLOW_GF20                BIT(24)
+#define MT_PROT_TXOP_ALLOW_GF40                BIT(25)
+#define MT_PROT_RTS_THR_EN             BIT(26)
+#define MT_PROT_RATE_CCK_11            0x0003
+#define MT_PROT_RATE_OFDM_6            0x4000
+#define MT_PROT_RATE_OFDM_24           0x4004
+#define MT_PROT_RATE_DUP_OFDM_24       0x4084
+#define MT_PROT_TXOP_ALLOW_ALL         GENMASK(25, 20)
+#define MT_PROT_TXOP_ALLOW_BW20                (MT_PROT_TXOP_ALLOW_ALL &       
\
+                                        ~MT_PROT_TXOP_ALLOW_MM40 &     \
+                                        ~MT_PROT_TXOP_ALLOW_GF40)
+
+#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_TX0_RF_GAIN_ATTEN           0x13a8
+
+#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_TX0_BB_GAIN_ATTEN           0x13c0
+
+#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_AUTO_RSP_CFG                        0x1404
+
+#define MT_AUTO_RSP_PREAMB_SHORT       BIT(4)
+
+#define MT_LEGACY_BASIC_RATE           0x1408
+#define MT_HT_BASIC_RATE               0x140c
+#define MT_HT_CTRL_CFG                 0x1410
+#define MT_RX_PARSER_CFG               0x1418
+#define MT_RX_PARSER_RX_SET_NAV_ALL    BIT(0)
+
+#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_RX_STA_CNT0                 0x1700
+#define MT_RX_STA_CNT1                 0x1704
+#define MT_RX_STA_CNT2                 0x1708
+#define MT_TX_STA_CNT0                 0x170c
+#define MT_TX_STA_CNT1                 0x1710
+#define MT_TX_STA_CNT2                 0x1714
+
+/* Vendor driver defines content of the second word of STAT_FIFO as follows:
+ *     MT_TX_STAT_FIFO_RATE            GENMASK(26, 16)
+ *     MT_TX_STAT_FIFO_ETXBF           BIT(27)
+ *     MT_TX_STAT_FIFO_SND             BIT(28)
+ *     MT_TX_STAT_FIFO_ITXBF           BIT(29)
+ * However, tests show that b16-31 have the same layout as TXWI rate_ctl
+ * with rate set to rate at which frame was acked.
+ */
+#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_STAT                 0x171c
+
+#define MT_TX_AGG_CNT_BASE0            0x1720
+
+#define MT_MPDU_DENSITY_CNT            0x1740
+
+#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)
+
+enum mt76_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/mt76x0/util.c 
b/drivers/net/wireless/mediatek/mt76/mt76x0/util.c
new file mode 100644
index 000000000000..148be47d822f
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/util.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2014 Felix Fietkau <n...@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "mt76x0.h"
+
+void mt76_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 mt76_insert_hdr_pad(struct sk_buff *skb)
+{
+       int len = ieee80211_get_hdrlen_from_skb(skb);
+       int ret;
+
+       if (len % 4 == 0)
+               return 0;
+
+       ret = skb_cow(skb, 2);
+       if (ret)
+               return ret;
+
+       skb_push(skb, 2);
+       memmove(skb->data, skb->data + 2, len);
+
+       skb->data[len] = 0;
+       skb->data[len + 1] = 0;
+       return 0;
+}
-- 
1.9.3

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