root/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
/* SPDX-License-Identifier: BSD-3-Clause-Clear */
/* Copyright (C) 2020 MediaTek Inc. */

#ifndef __MT7921_H
#define __MT7921_H

#include "../mt792x.h"
#include "regs.h"

#define MT7921_MAX_AID                  20

#define MT7921_TX_RING_SIZE             2048
#define MT7921_TX_MCU_RING_SIZE         256
#define MT7921_TX_FWDL_RING_SIZE        128

#define MT7921_RX_RING_SIZE             1536
#define MT7921_RX_MCU_RING_SIZE         8
#define MT7921_RX_MCU_WA_RING_SIZE      512

/* MT7902 Rx Ring0 is for both Rx Event and Tx Done Event */
#define MT7902_RX_MCU_RING_SIZE         512

#define MT7921_EEPROM_SIZE              3584
#define MT7921_TOKEN_SIZE               8192

#define MT7921_EEPROM_BLOCK_SIZE        16

#define MT7921_SKU_RATE_NUM             161
#define MT7921_SKU_MAX_DELTA_IDX        MT7921_SKU_RATE_NUM
#define MT7921_SKU_TABLE_SIZE           (MT7921_SKU_RATE_NUM + 1)

#define MCU_UNI_EVENT_ROC  0x27
#define MCU_UNI_EVENT_CLC  0x80

#define EXT_CMD_RADIO_LED_CTRL_ENABLE   0x1
#define EXT_CMD_RADIO_ON_LED            0x2
#define EXT_CMD_RADIO_OFF_LED           0x3

#define WF_RF_PIN_INIT          0x0
#define WF_RF_PIN_POLL          0x1

enum {
        UNI_ROC_ACQUIRE,
        UNI_ROC_ABORT,
        UNI_ROC_NUM
};

enum mt7921_roc_req {
        MT7921_ROC_REQ_JOIN,
        MT7921_ROC_REQ_ROC,
        MT7921_ROC_REQ_NUM
};

enum {
        UNI_EVENT_ROC_GRANT = 0,
        UNI_EVENT_ROC_TAG_NUM
};

struct mt7921_realease_info {
        __le16 len;
        u8 pad_len;
        u8 tag;
} __packed;

struct mt7921_fw_features {
        u8 segment;
        u8 data;
        u8 rsv[14];
} __packed;

struct mt7921_roc_grant_tlv {
        __le16 tag;
        __le16 len;
        u8 bss_idx;
        u8 tokenid;
        u8 status;
        u8 primarychannel;
        u8 rfsco;
        u8 rfband;
        u8 channelwidth;
        u8 centerfreqseg1;
        u8 centerfreqseg2;
        u8 reqtype;
        u8 dbdcband;
        u8 rsv[1];
        __le32 max_interval;
} __packed;

enum mt7921_sdio_pkt_type {
        MT7921_SDIO_TXD,
        MT7921_SDIO_DATA,
        MT7921_SDIO_CMD,
        MT7921_SDIO_FWDL,
};

struct mt7921_sdio_intr {
        u32 isr;
        struct {
                u32 wtqcr[16];
        } tx;
        struct {
                u16 num[2];
                u16 len0[16];
                u16 len1[128];
        } rx;
        u32 rec_mb[2];
} __packed;

#define to_rssi(field, rxv)             ((FIELD_GET(field, rxv) - 220) / 2)
#define to_rcpi(rssi)                   (2 * (rssi) + 220)

enum mt7921_txq_id {
        MT7921_TXQ_BAND0,
        MT7921_TXQ_BAND1,
        MT7921_TXQ_FWDL = 16,
        MT7921_TXQ_MCU_WM,
};

enum mt7921_rxq_id {
        MT7921_RXQ_BAND0 = 0,
        MT7921_RXQ_BAND1,
        MT7921_RXQ_MCU_WM = 0,
};

/* MT7902 assigns its MCU-WM TXQ at index 15 */
enum mt7902_txq_id {
        MT7902_TXQ_MCU_WM = 15,
};

struct mt7921_dma_layout {
        u8 mcu_wm_txq;
        u16 mcu_rxdone_ring_size;
        bool has_mcu_wa;
};

enum {
        MT7921_CLC_POWER,
        MT7921_CLC_CHAN,
        MT7921_CLC_MAX_NUM,
};

struct mt7921_clc_rule {
        u8 alpha2[2];
        u8 type[2];
        __le16 len;
        u8 data[];
} __packed;

struct mt7921_clc {
        __le32 len;
        u8 idx;
        u8 ver;
        u8 nr_country;
        u8 type;
        u8 rsv[8];
        u8 data[];
} __packed;

enum mt7921_eeprom_field {
        MT_EE_CHIP_ID =         0x000,
        MT_EE_VERSION =         0x002,
        MT_EE_MAC_ADDR =        0x004,
        MT_EE_WIFI_CONF =       0x07c,
        MT_EE_HW_TYPE =         0x55b,
        __MT_EE_MAX =           0x9ff
};

#define MT_EE_HW_TYPE_ENCAP                     BIT(0)

enum {
        TXPWR_USER,
        TXPWR_EEPROM,
        TXPWR_MAC,
        TXPWR_MAX_NUM,
};

struct mt7921_txpwr {
        u8 ch;
        u8 rsv[3];
        struct {
                u8 ch;
                u8 cck[4];
                u8 ofdm[8];
                u8 ht20[8];
                u8 ht40[9];
                u8 vht20[12];
                u8 vht40[12];
                u8 vht80[12];
                u8 vht160[12];
                u8 he26[12];
                u8 he52[12];
                u8 he106[12];
                u8 he242[12];
                u8 he484[12];
                u8 he996[12];
                u8 he996x2[12];
        } data[TXPWR_MAX_NUM];
};

extern const struct ieee80211_ops mt7921_ops;

u32 mt7921_reg_map(struct mt792x_dev *dev, u32 addr);

int __mt7921_start(struct mt792x_phy *phy);
int mt7921_register_device(struct mt792x_dev *dev);
void mt7921_unregister_device(struct mt792x_dev *dev);
int mt7921_run_firmware(struct mt792x_dev *dev);
int mt7921_set_channel(struct mt76_phy *mphy);
int mt7921_mcu_set_bss_pm(struct mt792x_dev *dev, struct ieee80211_vif *vif,
                          bool enable);
int mt7921_mcu_sta_update(struct mt792x_dev *dev, struct ieee80211_sta *sta,
                          struct ieee80211_vif *vif, bool enable,
                          enum mt76_sta_info_state state);
int mt7921_mcu_set_chan_info(struct mt792x_phy *phy, int cmd);
int mt7921_mcu_set_tx(struct mt792x_dev *dev, struct ieee80211_vif *vif);
int mt7921_mcu_set_eeprom(struct mt792x_dev *dev);
int mt7921_mcu_get_rx_rate(struct mt792x_phy *phy, struct ieee80211_vif *vif,
                           struct ieee80211_sta *sta, struct rate_info *rate);
int mt7921_mcu_fw_log_2_host(struct mt792x_dev *dev, u8 ctrl);
void mt7921_mcu_rx_event(struct mt792x_dev *dev, struct sk_buff *skb);
int mt7921_mcu_set_rxfilter(struct mt792x_dev *dev, u32 fif,
                            u8 bit_op, u32 bit_map);
int mt7921_mcu_radio_led_ctrl(struct mt792x_dev *dev, u8 value);
int mt7921_mcu_wf_rf_pin_ctrl(struct mt792x_phy *phy, u8 action);

static inline u32
mt7921_reg_map_l1(struct mt792x_dev *dev, u32 addr)
{
        u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr);
        u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr);

        mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base);
        /* use read to push write */
        mt76_rr(dev, MT_HIF_REMAP_L1);

        return MT_HIF_REMAP_BASE_L1 + offset;
}

static inline u32
mt7921_l1_rr(struct mt792x_dev *dev, u32 addr)
{
        return mt76_rr(dev, mt7921_reg_map_l1(dev, addr));
}

static inline void
mt7921_l1_wr(struct mt792x_dev *dev, u32 addr, u32 val)
{
        mt76_wr(dev, mt7921_reg_map_l1(dev, addr), val);
}

static inline u32
mt7921_l1_rmw(struct mt792x_dev *dev, u32 addr, u32 mask, u32 val)
{
        val |= mt7921_l1_rr(dev, addr) & ~mask;
        mt7921_l1_wr(dev, addr, val);

        return val;
}

#define mt7921_l1_set(dev, addr, val)   mt7921_l1_rmw(dev, addr, 0, val)
#define mt7921_l1_clear(dev, addr, val) mt7921_l1_rmw(dev, addr, val, 0)

int mt7921_mac_init(struct mt792x_dev *dev);
bool mt7921_mac_wtbl_update(struct mt792x_dev *dev, int idx, u32 mask);
int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
                       struct ieee80211_sta *sta);
int mt7921_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif,
                         struct ieee80211_sta *sta, enum mt76_sta_event ev);
void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
                           struct ieee80211_sta *sta);
void mt7921_mac_reset_work(struct work_struct *work);
int mt7921e_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
                           enum mt76_txq_id qid, struct mt76_wcid *wcid,
                           struct ieee80211_sta *sta,
                           struct mt76_tx_info *tx_info);

bool mt7921_rx_check(struct mt76_dev *mdev, void *data, int len);
void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
                         struct sk_buff *skb, u32 *info);
void mt7921_stats_work(struct work_struct *work);
void mt7921_set_stream_he_caps(struct mt792x_phy *phy);
int mt7921_init_debugfs(struct mt792x_dev *dev);

int mt7921_mcu_set_beacon_filter(struct mt792x_dev *dev,
                                 struct ieee80211_vif *vif,
                                 bool enable);
int mt7921_mcu_uni_tx_ba(struct mt792x_dev *dev,
                         struct ieee80211_ampdu_params *params,
                         bool enable);
int mt7921_mcu_uni_rx_ba(struct mt792x_dev *dev,
                         struct ieee80211_ampdu_params *params,
                         bool enable);
void mt7921_scan_work(struct work_struct *work);
void mt7921_roc_work(struct work_struct *work);
void mt7921_csa_work(struct work_struct *work);
int mt7921_mcu_uni_bss_ps(struct mt792x_dev *dev, struct ieee80211_vif *vif);
void mt7921_coredump_work(struct work_struct *work);
int mt7921_get_txpwr_info(struct mt792x_dev *dev, struct mt7921_txpwr *txpwr);
int mt7921_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
                        void *data, int len);
int mt7921_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *msg,
                         struct netlink_callback *cb, void *data, int len);
int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
                              struct sk_buff *skb, int seq);

int mt7921e_driver_own(struct mt792x_dev *dev);
int mt7921e_mac_reset(struct mt792x_dev *dev);
int mt7921e_mcu_init(struct mt792x_dev *dev);
int mt7921s_wfsys_reset(struct mt792x_dev *dev);
int mt7921s_mac_reset(struct mt792x_dev *dev);
int mt7921s_init_reset(struct mt792x_dev *dev);

int mt7921s_mcu_init(struct mt792x_dev *dev);
int mt7921s_mcu_drv_pmctrl(struct mt792x_dev *dev);
int mt7921s_mcu_fw_pmctrl(struct mt792x_dev *dev);
void mt7921_mac_add_txs(struct mt792x_dev *dev, void *data);
void mt7921_set_runtime_pm(struct mt792x_dev *dev);
void mt7921_mcu_set_suspend_iter(void *priv, u8 *mac,
                                 struct ieee80211_vif *vif);
void mt7921_set_ipv6_ns_work(struct work_struct *work);

int mt7921_mcu_set_sniffer(struct mt792x_dev *dev, struct ieee80211_vif *vif,
                           bool enable);
int mt7921_mcu_config_sniffer(struct mt792x_vif *vif,
                              struct ieee80211_chanctx_conf *ctx);
int mt7921_mcu_get_temperature(struct mt792x_phy *phy);

int mt7921_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
                                   enum mt76_txq_id qid, struct mt76_wcid *wcid,
                                   struct ieee80211_sta *sta,
                                   struct mt76_tx_info *tx_info);
void mt7921_usb_sdio_tx_complete_skb(struct mt76_dev *mdev,
                                     struct mt76_queue_entry *e);
bool mt7921_usb_sdio_tx_status_data(struct mt76_dev *mdev, u8 *update);

/* usb */
int mt7921_mcu_uni_add_beacon_offload(struct mt792x_dev *dev,
                                      struct ieee80211_hw *hw,
                                      struct ieee80211_vif *vif,
                                      bool enable);
int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw,
                          const struct cfg80211_sar_specs *sar);

int mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2,
                       enum environment_cap env_cap);
int mt7921_mcu_set_roc(struct mt792x_phy *phy, struct mt792x_vif *vif,
                       struct ieee80211_channel *chan, int duration,
                       enum mt7921_roc_req type, u8 token_id);
int mt7921_mcu_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif,
                         u8 token_id);
void mt7921_roc_abort_sync(struct mt792x_dev *dev);
int mt7921_mcu_set_rssimonitor(struct mt792x_dev *dev, struct ieee80211_vif *vif);
#endif