/* SPDX-License-Identifier: ISC */
/* Copyright (C) 2020 MediaTek Inc. */

#ifndef __MT7921_MAC_H
#define __MT7921_MAC_H

#define MT_CT_PARSE_LEN                 72
#define MT_CT_DMA_BUF_NUM               2

#define MT_RXD0_LENGTH                  GENMASK(15, 0)
#define MT_RXD0_PKT_FLAG                GENMASK(19, 16)
#define MT_RXD0_PKT_TYPE                GENMASK(31, 27)

#define MT_RXD0_NORMAL_ETH_TYPE_OFS     GENMASK(22, 16)
#define MT_RXD0_NORMAL_IP_SUM           BIT(23)
#define MT_RXD0_NORMAL_UDP_TCP_SUM      BIT(24)

enum rx_pkt_type {
        PKT_TYPE_TXS,
        PKT_TYPE_TXRXV,
        PKT_TYPE_NORMAL,
        PKT_TYPE_RX_DUP_RFB,
        PKT_TYPE_RX_TMR,
        PKT_TYPE_RETRIEVE,
        PKT_TYPE_TXRX_NOTIFY,
        PKT_TYPE_RX_EVENT,
        PKT_TYPE_NORMAL_MCU,
};

/* RXD DW1 */
#define MT_RXD1_NORMAL_WLAN_IDX         GENMASK(9, 0)
#define MT_RXD1_NORMAL_GROUP_1          BIT(11)
#define MT_RXD1_NORMAL_GROUP_2          BIT(12)
#define MT_RXD1_NORMAL_GROUP_3          BIT(13)
#define MT_RXD1_NORMAL_GROUP_4          BIT(14)
#define MT_RXD1_NORMAL_GROUP_5          BIT(15)
#define MT_RXD1_NORMAL_SEC_MODE         GENMASK(20, 16)
#define MT_RXD1_NORMAL_KEY_ID           GENMASK(22, 21)
#define MT_RXD1_NORMAL_CM               BIT(23)
#define MT_RXD1_NORMAL_CLM              BIT(24)
#define MT_RXD1_NORMAL_ICV_ERR          BIT(25)
#define MT_RXD1_NORMAL_TKIP_MIC_ERR     BIT(26)
#define MT_RXD1_NORMAL_FCS_ERR          BIT(27)
#define MT_RXD1_NORMAL_BAND_IDX         BIT(28)
#define MT_RXD1_NORMAL_SPP_EN           BIT(29)
#define MT_RXD1_NORMAL_ADD_OM           BIT(30)
#define MT_RXD1_NORMAL_SEC_DONE         BIT(31)

/* RXD DW2 */
#define MT_RXD2_NORMAL_BSSID            GENMASK(5, 0)
#define MT_RXD2_NORMAL_CO_ANT           BIT(6)
#define MT_RXD2_NORMAL_BF_CQI           BIT(7)
#define MT_RXD2_NORMAL_MAC_HDR_LEN      GENMASK(12, 8)
#define MT_RXD2_NORMAL_HDR_TRANS        BIT(13)
#define MT_RXD2_NORMAL_HDR_OFFSET       GENMASK(15, 14)
#define MT_RXD2_NORMAL_TID              GENMASK(19, 16)
#define MT_RXD2_NORMAL_MU_BAR           BIT(21)
#define MT_RXD2_NORMAL_SW_BIT           BIT(22)
#define MT_RXD2_NORMAL_AMSDU_ERR        BIT(23)
#define MT_RXD2_NORMAL_MAX_LEN_ERROR    BIT(24)
#define MT_RXD2_NORMAL_HDR_TRANS_ERROR  BIT(25)
#define MT_RXD2_NORMAL_INT_FRAME        BIT(26)
#define MT_RXD2_NORMAL_FRAG             BIT(27)
#define MT_RXD2_NORMAL_NULL_FRAME       BIT(28)
#define MT_RXD2_NORMAL_NDATA            BIT(29)
#define MT_RXD2_NORMAL_NON_AMPDU        BIT(30)
#define MT_RXD2_NORMAL_BF_REPORT        BIT(31)

/* RXD DW3 */
#define MT_RXD3_NORMAL_RXV_SEQ          GENMASK(7, 0)
#define MT_RXD3_NORMAL_CH_FREQ          GENMASK(15, 8)
#define MT_RXD3_NORMAL_ADDR_TYPE        GENMASK(17, 16)
#define MT_RXD3_NORMAL_U2M              BIT(0)
#define MT_RXD3_NORMAL_HTC_VLD          BIT(0)
#define MT_RXD3_NORMAL_TSF_COMPARE_LOSS BIT(19)
#define MT_RXD3_NORMAL_BEACON_MC        BIT(20)
#define MT_RXD3_NORMAL_BEACON_UC        BIT(21)
#define MT_RXD3_NORMAL_AMSDU            BIT(22)
#define MT_RXD3_NORMAL_MESH             BIT(23)
#define MT_RXD3_NORMAL_MHCP             BIT(24)
#define MT_RXD3_NORMAL_NO_INFO_WB       BIT(25)
#define MT_RXD3_NORMAL_DISABLE_RX_HDR_TRANS     BIT(26)
#define MT_RXD3_NORMAL_POWER_SAVE_STAT  BIT(27)
#define MT_RXD3_NORMAL_MORE             BIT(28)
#define MT_RXD3_NORMAL_UNWANT           BIT(29)
#define MT_RXD3_NORMAL_RX_DROP          BIT(30)
#define MT_RXD3_NORMAL_VLAN2ETH         BIT(31)

/* RXD DW4 */
#define MT_RXD4_NORMAL_PAYLOAD_FORMAT   GENMASK(1, 0)
#define MT_RXD4_FIRST_AMSDU_FRAME       GENMASK(1, 0)
#define MT_RXD4_MID_AMSDU_FRAME         BIT(1)
#define MT_RXD4_LAST_AMSDU_FRAME        BIT(0)
#define MT_RXD4_NORMAL_PATTERN_DROP     BIT(9)
#define MT_RXD4_NORMAL_CLS              BIT(10)
#define MT_RXD4_NORMAL_OFLD             GENMASK(12, 11)
#define MT_RXD4_NORMAL_MAGIC_PKT        BIT(13)
#define MT_RXD4_NORMAL_WOL              GENMASK(18, 14)
#define MT_RXD4_NORMAL_CLS_BITMAP       GENMASK(28, 19)
#define MT_RXD3_NORMAL_PF_MODE          BIT(29)
#define MT_RXD3_NORMAL_PF_STS           GENMASK(31, 30)

/* RXD GROUP4 */
#define MT_RXD6_FRAME_CONTROL           GENMASK(15, 0)
#define MT_RXD6_TA_LO                   GENMASK(31, 16)

#define MT_RXD7_TA_HI                   GENMASK(31, 0)

#define MT_RXD8_SEQ_CTRL                GENMASK(15, 0)
#define MT_RXD8_QOS_CTL                 GENMASK(31, 16)

#define MT_RXD9_HT_CONTROL              GENMASK(31, 0)

/* P-RXV DW0 */
#define MT_PRXV_TX_RATE                 GENMASK(6, 0)
#define MT_PRXV_TX_DCM                  BIT(4)
#define MT_PRXV_TX_ER_SU_106T           BIT(5)
#define MT_PRXV_NSTS                    GENMASK(9, 7)
#define MT_PRXV_HT_AD_CODE              BIT(11)
#define MT_PRXV_FRAME_MODE              GENMASK(14, 12)
#define MT_PRXV_SGI                     GENMASK(16, 15)
#define MT_PRXV_STBC                    GENMASK(23, 22)
#define MT_PRXV_TX_MODE                 GENMASK(27, 24)
#define MT_PRXV_HE_RU_ALLOC_L           GENMASK(31, 28)

/* P-RXV DW1 */
#define MT_PRXV_RCPI3                   GENMASK(31, 24)
#define MT_PRXV_RCPI2                   GENMASK(23, 16)
#define MT_PRXV_RCPI1                   GENMASK(15, 8)
#define MT_PRXV_RCPI0                   GENMASK(7, 0)
#define MT_PRXV_HE_RU_ALLOC_H           GENMASK(3, 0)

/* C-RXV */
#define MT_CRXV_HT_STBC                 GENMASK(1, 0)
#define MT_CRXV_TX_MODE                 GENMASK(7, 4)
#define MT_CRXV_FRAME_MODE              GENMASK(10, 8)
#define MT_CRXV_HT_SHORT_GI             GENMASK(14, 13)
#define MT_CRXV_HE_LTF_SIZE             GENMASK(18, 17)
#define MT_CRXV_HE_LDPC_EXT_SYM         BIT(20)
#define MT_CRXV_HE_PE_DISAMBIG          BIT(23)
#define MT_CRXV_HE_UPLINK               BIT(31)

#define MT_CRXV_HE_SR_MASK              GENMASK(11, 8)
#define MT_CRXV_HE_SR1_MASK             GENMASK(16, 12)
#define MT_CRXV_HE_SR2_MASK             GENMASK(20, 17)
#define MT_CRXV_HE_SR3_MASK             GENMASK(24, 21)

#define MT_CRXV_HE_BSS_COLOR            GENMASK(5, 0)
#define MT_CRXV_HE_TXOP_DUR             GENMASK(12, 6)
#define MT_CRXV_HE_BEAM_CHNG            BIT(13)
#define MT_CRXV_HE_DOPPLER              BIT(16)

#define MT_CRXV_SNR             GENMASK(18, 13)
#define MT_CRXV_FOE_LO          GENMASK(31, 19)
#define MT_CRXV_FOE_HI          GENMASK(6, 0)
#define MT_CRXV_FOE_SHIFT       13

enum tx_header_format {
        MT_HDR_FORMAT_802_3,
        MT_HDR_FORMAT_CMD,
        MT_HDR_FORMAT_802_11,
        MT_HDR_FORMAT_802_11_EXT,
};

enum tx_pkt_type {
        MT_TX_TYPE_CT,
        MT_TX_TYPE_SF,
        MT_TX_TYPE_CMD,
        MT_TX_TYPE_FW,
};

enum tx_port_idx {
        MT_TX_PORT_IDX_LMAC,
        MT_TX_PORT_IDX_MCU
};

enum tx_mcu_port_q_idx {
        MT_TX_MCU_PORT_RX_Q0 = 0x20,
        MT_TX_MCU_PORT_RX_Q1,
        MT_TX_MCU_PORT_RX_Q2,
        MT_TX_MCU_PORT_RX_Q3,
        MT_TX_MCU_PORT_RX_FWDL = 0x3e
};

#define MT_CT_INFO_APPLY_TXD            BIT(0)
#define MT_CT_INFO_COPY_HOST_TXD_ALL    BIT(1)
#define MT_CT_INFO_MGMT_FRAME           BIT(2)
#define MT_CT_INFO_NONE_CIPHER_FRAME    BIT(3)
#define MT_CT_INFO_HSR2_TX              BIT(4)
#define MT_CT_INFO_FROM_HOST            BIT(7)

#define MT_TXD_SIZE                     (8 * 4)

#define MT_TXD0_Q_IDX                   GENMASK(31, 25)
#define MT_TXD0_PKT_FMT                 GENMASK(24, 23)
#define MT_TXD0_ETH_TYPE_OFFSET         GENMASK(22, 16)
#define MT_TXD0_TX_BYTES                GENMASK(15, 0)

#define MT_TXD1_LONG_FORMAT             BIT(31)
#define MT_TXD1_TGID                    BIT(30)
#define MT_TXD1_OWN_MAC                 GENMASK(29, 24)
#define MT_TXD1_AMSDU                   BIT(23)
#define MT_TXD1_TID                     GENMASK(22, 20)
#define MT_TXD1_HDR_PAD                 GENMASK(19, 18)
#define MT_TXD1_HDR_FORMAT              GENMASK(17, 16)
#define MT_TXD1_HDR_INFO                GENMASK(15, 11)
#define MT_TXD1_ETH_802_3               BIT(15)
#define MT_TXD1_VTA                     BIT(10)
#define MT_TXD1_WLAN_IDX                GENMASK(9, 0)

#define MT_TXD2_FIX_RATE                BIT(31)
#define MT_TXD2_FIXED_RATE              BIT(30)
#define MT_TXD2_POWER_OFFSET            GENMASK(29, 24)
#define MT_TXD2_MAX_TX_TIME             GENMASK(23, 16)
#define MT_TXD2_FRAG                    GENMASK(15, 14)
#define MT_TXD2_HTC_VLD                 BIT(13)
#define MT_TXD2_DURATION                BIT(12)
#define MT_TXD2_BIP                     BIT(11)
#define MT_TXD2_MULTICAST               BIT(10)
#define MT_TXD2_RTS                     BIT(9)
#define MT_TXD2_SOUNDING                BIT(8)
#define MT_TXD2_NDPA                    BIT(7)
#define MT_TXD2_NDP                     BIT(6)
#define MT_TXD2_FRAME_TYPE              GENMASK(5, 4)
#define MT_TXD2_SUB_TYPE                GENMASK(3, 0)

#define MT_TXD3_SN_VALID                BIT(31)
#define MT_TXD3_PN_VALID                BIT(30)
#define MT_TXD3_SW_POWER_MGMT           BIT(29)
#define MT_TXD3_BA_DISABLE              BIT(28)
#define MT_TXD3_SEQ                     GENMASK(27, 16)
#define MT_TXD3_REM_TX_COUNT            GENMASK(15, 11)
#define MT_TXD3_TX_COUNT                GENMASK(10, 6)
#define MT_TXD3_TIMING_MEASURE          BIT(5)
#define MT_TXD3_DAS                     BIT(4)
#define MT_TXD3_EEOSP                   BIT(3)
#define MT_TXD3_EMRD                    BIT(2)
#define MT_TXD3_PROTECT_FRAME           BIT(1)
#define MT_TXD3_NO_ACK                  BIT(0)

#define MT_TXD4_PN_LOW                  GENMASK(31, 0)

#define MT_TXD5_PN_HIGH                 GENMASK(31, 16)
#define MT_TXD5_MD                      BIT(15)
#define MT_TXD5_ADD_BA                  BIT(14)
#define MT_TXD5_TX_STATUS_HOST          BIT(10)
#define MT_TXD5_TX_STATUS_MCU           BIT(9)
#define MT_TXD5_TX_STATUS_FMT           BIT(8)
#define MT_TXD5_PID                     GENMASK(7, 0)

#define MT_TXD6_TX_IBF                  BIT(31)
#define MT_TXD6_TX_EBF                  BIT(30)
#define MT_TXD6_TX_RATE                 GENMASK(29, 16)
#define MT_TXD6_SGI                     GENMASK(15, 14)
#define MT_TXD6_HELTF                   GENMASK(13, 12)
#define MT_TXD6_LDPC                    BIT(11)
#define MT_TXD6_SPE_ID_IDX              BIT(10)
#define MT_TXD6_ANT_ID                  GENMASK(7, 4)
#define MT_TXD6_DYN_BW                  BIT(3)
#define MT_TXD6_FIXED_BW                BIT(2)
#define MT_TXD6_BW                      GENMASK(1, 0)

#define MT_TXD7_TXD_LEN                 GENMASK(31, 30)
#define MT_TXD7_UDP_TCP_SUM             BIT(29)
#define MT_TXD7_IP_SUM                  BIT(28)

#define MT_TXD7_TYPE                    GENMASK(21, 20)
#define MT_TXD7_SUB_TYPE                GENMASK(19, 16)

#define MT_TXD7_PSE_FID                 GENMASK(27, 16)
#define MT_TXD7_SPE_IDX                 GENMASK(15, 11)
#define MT_TXD7_HW_AMSDU                BIT(10)
#define MT_TXD7_TX_TIME                 GENMASK(9, 0)

#define MT_TX_RATE_STBC                 BIT(13)
#define MT_TX_RATE_NSS                  GENMASK(12, 10)
#define MT_TX_RATE_MODE                 GENMASK(9, 6)
#define MT_TX_RATE_SU_EXT_TONE          BIT(5)
#define MT_TX_RATE_DCM                  BIT(4)
#define MT_TX_RATE_IDX                  GENMASK(3, 0)

#define MT_TXP_MAX_BUF_NUM              6

struct mt7921_txp {
        __le16 flags;
        __le16 token;
        u8 bss_idx;
        __le16 rept_wds_wcid;
        u8 nbuf;
        __le32 buf[MT_TXP_MAX_BUF_NUM];
        __le16 len[MT_TXP_MAX_BUF_NUM];
} __packed __aligned(4);

struct mt7921_tx_free {
        __le16 rx_byte_cnt;
        __le16 ctrl;
        u8 txd_cnt;
        u8 rsv[3];
        __le32 info[];
} __packed __aligned(4);

#define MT_TX_FREE_MSDU_CNT             GENMASK(9, 0)
#define MT_TX_FREE_WLAN_ID              GENMASK(23, 14)
#define MT_TX_FREE_LATENCY              GENMASK(12, 0)
/* 0: success, others: dropped */
#define MT_TX_FREE_STATUS               GENMASK(14, 13)
#define MT_TX_FREE_MSDU_ID              GENMASK(30, 16)
#define MT_TX_FREE_PAIR                 BIT(31)
/* will support this field in further revision */
#define MT_TX_FREE_RATE                 GENMASK(13, 0)

static inline struct mt7921_txp_common *
mt7921_txwi_to_txp(struct mt76_dev *dev, struct mt76_txwi_cache *t)
{
        u8 *txwi;

        if (!t)
                return NULL;

        txwi = mt76_get_txwi_ptr(dev, t);

        return (struct mt7921_txp_common *)(txwi + MT_TXD_SIZE);
}

#define MT_HW_TXP_MAX_MSDU_NUM          4
#define MT_HW_TXP_MAX_BUF_NUM           4

#define MT_MSDU_ID_VALID                BIT(15)

#define MT_TXD_LEN_MASK                 GENMASK(11, 0)
#define MT_TXD_LEN_MSDU_LAST            BIT(14)
#define MT_TXD_LEN_AMSDU_LAST           BIT(15)
#define MT_TXD_LEN_LAST                 BIT(15)

struct mt7921_txp_ptr {
        __le32 buf0;
        __le16 len0;
        __le16 len1;
        __le32 buf1;
} __packed __aligned(4);

struct mt7921_hw_txp {
        __le16 msdu_id[MT_HW_TXP_MAX_MSDU_NUM];
        struct mt7921_txp_ptr ptr[MT_HW_TXP_MAX_BUF_NUM / 2];
} __packed __aligned(4);

struct mt7921_txp_common {
        union {
                struct mt7921_hw_txp hw;
        };
};

#endif