root/drivers/net/dsa/mt7530.h
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2017 Sean Wang <sean.wang@mediatek.com>
 */

#ifndef __MT7530_H
#define __MT7530_H

#define MT7530_NUM_PORTS                7
#define MT7530_NUM_PHYS                 5
#define MT7530_NUM_FDB_RECORDS          2048
#define MT7530_ALL_MEMBERS              0xff

#define MTK_HDR_LEN     4
#define MT7530_MAX_MTU  (15 * 1024 - ETH_HLEN - ETH_FCS_LEN - MTK_HDR_LEN)

enum mt753x_id {
        ID_MT7530 = 0,
        ID_MT7621 = 1,
        ID_MT7531 = 2,
        ID_MT7988 = 3,
        ID_EN7581 = 4,
        ID_AN7583 = 5,
};

#define NUM_TRGMII_CTRL                 5

#define TRGMII_BASE(x)                  (0x10000 + (x))

/* Registers to ethsys access */
#define ETHSYS_CLKCFG0                  0x2c
#define  ETHSYS_TRGMII_CLK_SEL362_5     BIT(11)

#define SYSC_REG_RSTCTRL                0x34
#define  RESET_MCM                      BIT(2)

/* Register for ARL global control */
#define MT753X_AGC                      0xc
#define  LOCAL_EN                       BIT(7)

/* Register for MAC forward control */
#define MT753X_MFC                      0x10
#define  BC_FFP_MASK                    GENMASK(31, 24)
#define  BC_FFP(x)                      FIELD_PREP(BC_FFP_MASK, x)
#define  UNM_FFP_MASK                   GENMASK(23, 16)
#define  UNM_FFP(x)                     FIELD_PREP(UNM_FFP_MASK, x)
#define  UNU_FFP_MASK                   GENMASK(15, 8)
#define  UNU_FFP(x)                     FIELD_PREP(UNU_FFP_MASK, x)
#define  MT7530_CPU_EN                  BIT(7)
#define  MT7530_CPU_PORT_MASK           GENMASK(6, 4)
#define  MT7530_CPU_PORT(x)             FIELD_PREP(MT7530_CPU_PORT_MASK, x)
#define  MT7530_MIRROR_EN               BIT(3)
#define  MT7530_MIRROR_PORT_MASK        GENMASK(2, 0)
#define  MT7530_MIRROR_PORT_GET(x)      FIELD_GET(MT7530_MIRROR_PORT_MASK, x)
#define  MT7530_MIRROR_PORT_SET(x)      FIELD_PREP(MT7530_MIRROR_PORT_MASK, x)
#define  MT7531_QRY_FFP_MASK            GENMASK(7, 0)
#define  MT7531_QRY_FFP(x)              FIELD_PREP(MT7531_QRY_FFP_MASK, x)

/* Register for CPU forward control */
#define MT7531_CFC                      0x4
#define  MT7531_MIRROR_EN               BIT(19)
#define  MT7531_MIRROR_PORT_MASK        GENMASK(18, 16)
#define  MT7531_MIRROR_PORT_GET(x)      FIELD_GET(MT7531_MIRROR_PORT_MASK, x)
#define  MT7531_MIRROR_PORT_SET(x)      FIELD_PREP(MT7531_MIRROR_PORT_MASK, x)
#define  MT7531_CPU_PMAP_MASK           GENMASK(7, 0)
#define  MT7531_CPU_PMAP(x)             FIELD_PREP(MT7531_CPU_PMAP_MASK, x)

#define MT753X_MIRROR_REG(id)           ((id == ID_MT7531 || \
                                          id == ID_MT7988 || \
                                          id == ID_EN7581 || \
                                          id == ID_AN7583) ? \
                                         MT7531_CFC : MT753X_MFC)

#define MT753X_MIRROR_EN(id)            ((id == ID_MT7531 || \
                                          id == ID_MT7988 || \
                                          id == ID_EN7581) ? \
                                         MT7531_MIRROR_EN : MT7530_MIRROR_EN)

#define MT753X_MIRROR_PORT_MASK(id)     ((id == ID_MT7531 || \
                                          id == ID_MT7988 || \
                                          id == ID_EN7581 || \
                                          id == ID_AN7583) ? \
                                         MT7531_MIRROR_PORT_MASK : \
                                         MT7530_MIRROR_PORT_MASK)

#define MT753X_MIRROR_PORT_GET(id, val) ((id == ID_MT7531 || \
                                          id == ID_MT7988 || \
                                          id == ID_EN7581 || \
                                          id == ID_AN7583) ? \
                                         MT7531_MIRROR_PORT_GET(val) : \
                                         MT7530_MIRROR_PORT_GET(val))

#define MT753X_MIRROR_PORT_SET(id, val) ((id == ID_MT7531 || \
                                          id == ID_MT7988 || \
                                          id == ID_EN7581 || \
                                          id == ID_AN7583) ? \
                                         MT7531_MIRROR_PORT_SET(val) : \
                                         MT7530_MIRROR_PORT_SET(val))

/* Register for BPDU and PAE frame control */
#define MT753X_BPC                      0x24
#define  PAE_BPDU_FR                    BIT(25)
#define  PAE_EG_TAG_MASK                GENMASK(24, 22)
#define  PAE_EG_TAG(x)                  FIELD_PREP(PAE_EG_TAG_MASK, x)
#define  PAE_PORT_FW_MASK               GENMASK(18, 16)
#define  PAE_PORT_FW(x)                 FIELD_PREP(PAE_PORT_FW_MASK, x)
#define  BPDU_EG_TAG_MASK               GENMASK(8, 6)
#define  BPDU_EG_TAG(x)                 FIELD_PREP(BPDU_EG_TAG_MASK, x)
#define  BPDU_PORT_FW_MASK              GENMASK(2, 0)

/* Register for 01-80-C2-00-00-[01,02] MAC DA frame control */
#define MT753X_RGAC1                    0x28
#define  R02_BPDU_FR                    BIT(25)
#define  R02_EG_TAG_MASK                GENMASK(24, 22)
#define  R02_EG_TAG(x)                  FIELD_PREP(R02_EG_TAG_MASK, x)
#define  R02_PORT_FW_MASK               GENMASK(18, 16)
#define  R02_PORT_FW(x)                 FIELD_PREP(R02_PORT_FW_MASK, x)
#define  R01_BPDU_FR                    BIT(9)
#define  R01_EG_TAG_MASK                GENMASK(8, 6)
#define  R01_EG_TAG(x)                  FIELD_PREP(R01_EG_TAG_MASK, x)
#define  R01_PORT_FW_MASK               GENMASK(2, 0)

/* Register for 01-80-C2-00-00-[03,0E] MAC DA frame control */
#define MT753X_RGAC2                    0x2c
#define  R0E_BPDU_FR                    BIT(25)
#define  R0E_EG_TAG_MASK                GENMASK(24, 22)
#define  R0E_EG_TAG(x)                  FIELD_PREP(R0E_EG_TAG_MASK, x)
#define  R0E_PORT_FW_MASK               GENMASK(18, 16)
#define  R0E_PORT_FW(x)                 FIELD_PREP(R0E_PORT_FW_MASK, x)
#define  R03_BPDU_FR                    BIT(9)
#define  R03_EG_TAG_MASK                GENMASK(8, 6)
#define  R03_EG_TAG(x)                  FIELD_PREP(R03_EG_TAG_MASK, x)
#define  R03_PORT_FW_MASK               GENMASK(2, 0)

enum mt753x_to_cpu_fw {
        TO_CPU_FW_SYSTEM_DEFAULT,
        TO_CPU_FW_CPU_EXCLUDE = 4,
        TO_CPU_FW_CPU_INCLUDE = 5,
        TO_CPU_FW_CPU_ONLY = 6,
        TO_CPU_FW_DROP = 7,
};

/* Registers for address table access */
#define MT7530_ATA1                     0x74
#define  STATIC_EMP                     0
#define  STATIC_ENT                     3
#define MT7530_ATA2                     0x78
#define  ATA2_IVL                       BIT(15)
#define  ATA2_FID(x)                    (((x) & 0x7) << 12)

/* Register for address table write data */
#define MT7530_ATWD                     0x7c

/* Register for address table control */
#define MT7530_ATC                      0x80
#define  ATC_HASH                       (((x) & 0xfff) << 16)
#define  ATC_BUSY                       BIT(15)
#define  ATC_SRCH_END                   BIT(14)
#define  ATC_SRCH_HIT                   BIT(13)
#define  ATC_INVALID                    BIT(12)
#define  ATC_MAT(x)                     (((x) & 0xf) << 8)
#define  ATC_MAT_MACTAB                 ATC_MAT(0)

enum mt7530_fdb_cmd {
        MT7530_FDB_READ = 0,
        MT7530_FDB_WRITE = 1,
        MT7530_FDB_FLUSH = 2,
        MT7530_FDB_START = 4,
        MT7530_FDB_NEXT = 5,
};

/* Registers for table search read address */
#define MT7530_TSRA1                    0x84
#define  MAC_BYTE_0                     24
#define  MAC_BYTE_1                     16
#define  MAC_BYTE_2                     8
#define  MAC_BYTE_3                     0
#define  MAC_BYTE_MASK                  0xff

#define MT7530_TSRA2                    0x88
#define  MAC_BYTE_4                     24
#define  MAC_BYTE_5                     16
#define  CVID                           0
#define  CVID_MASK                      0xfff

#define MT7530_ATRD                     0x8C
#define  AGE_TIMER                      24
#define  AGE_TIMER_MASK                 0xff
#define  PORT_MAP                       4
#define  PORT_MAP_MASK                  0xff
#define  ENT_STATUS                     2
#define  ENT_STATUS_MASK                0x3

/* Register for vlan table control */
#define MT7530_VTCR                     0x90
#define  VTCR_BUSY                      BIT(31)
#define  VTCR_INVALID                   BIT(16)
#define  VTCR_FUNC(x)                   (((x) & 0xf) << 12)
#define  VTCR_VID                       ((x) & 0xfff)

enum mt7530_vlan_cmd {
        /* Read/Write the specified VID entry from VAWD register based
         * on VID.
         */
        MT7530_VTCR_RD_VID = 0,
        MT7530_VTCR_WR_VID = 1,
};

/* Register for setup vlan and acl write data */
#define MT7530_VAWD1                    0x94
#define  PORT_STAG                      BIT(31)
/* Independent VLAN Learning */
#define  IVL_MAC                        BIT(30)
/* Egress Tag Consistent */
#define  EG_CON                         BIT(29)
/* Per VLAN Egress Tag Control */
#define  VTAG_EN                        BIT(28)
/* VLAN Member Control */
#define  PORT_MEM(x)                    (((x) & 0xff) << 16)
/* Filter ID */
#define  FID(x)                         (((x) & 0x7) << 1)
/* VLAN Entry Valid */
#define  VLAN_VALID                     BIT(0)
#define  PORT_MEM_SHFT                  16
#define  PORT_MEM_MASK                  0xff

enum mt7530_fid {
        FID_STANDALONE = 0,
        FID_BRIDGED = 1,
};

#define MT7530_VAWD2                    0x98
/* Egress Tag Control */
#define  ETAG_CTRL_P(p, x)              (((x) & 0x3) << ((p) << 1))
#define  ETAG_CTRL_P_MASK(p)            ETAG_CTRL_P(p, 3)

enum mt7530_vlan_egress_attr {
        MT7530_VLAN_EGRESS_UNTAG = 0,
        MT7530_VLAN_EGRESS_TAG = 2,
        MT7530_VLAN_EGRESS_STACK = 3,
};

/* Register for address age control */
#define MT7530_AAC                      0xa0
/* Disable ageing */
#define  AGE_DIS                        BIT(20)
/* Age count */
#define  AGE_CNT_MASK                   GENMASK(19, 12)
#define  AGE_CNT_MAX                    0xff
#define  AGE_CNT(x)                     (AGE_CNT_MASK & ((x) << 12))
/* Age unit */
#define  AGE_UNIT_MASK                  GENMASK(11, 0)
#define  AGE_UNIT_MAX                   0xfff
#define  AGE_UNIT(x)                    (AGE_UNIT_MASK & (x))

#define MT753X_ERLCR_P(x)               (0x1040 + ((x) * 0x100))
#define  ERLCR_CIR_MASK                 GENMASK(31, 16)
#define  ERLCR_EN_MASK                  BIT(15)
#define  ERLCR_EXP_MASK                 GENMASK(11, 8)
#define  ERLCR_TBF_MODE_MASK            BIT(7)
#define  ERLCR_MANT_MASK                GENMASK(6, 0)

#define MT753X_GERLCR                   0x10e0
#define  EGR_BC_MASK                    GENMASK(7, 0)
#define  EGR_BC_CRC                     0x4     /* crc */
#define  EGR_BC_CRC_IPG_PREAMBLE        0x18    /* crc + ipg + preamble */

/* Register for port STP state control */
#define MT7530_SSP_P(x)                 (0x2000 + ((x) * 0x100))
#define  FID_PST(fid, state)            (((state) & 0x3) << ((fid) * 2))
#define  FID_PST_MASK(fid)              FID_PST(fid, 0x3)

enum mt7530_stp_state {
        MT7530_STP_DISABLED = 0,
        MT7530_STP_BLOCKING = 1,
        MT7530_STP_LISTENING = 1,
        MT7530_STP_LEARNING = 2,
        MT7530_STP_FORWARDING  = 3
};

/* Register for port control */
#define MT7530_PCR_P(x)                 (0x2004 + ((x) * 0x100))
#define  PORT_TX_MIR                    BIT(9)
#define  PORT_RX_MIR                    BIT(8)
#define  PORT_VLAN(x)                   ((x) & 0x3)

enum mt7530_port_mode {
        /* Port Matrix Mode: Frames are forwarded by the PCR_MATRIX members. */
        MT7530_PORT_MATRIX_MODE = PORT_VLAN(0),

        /* Fallback Mode: Forward received frames with ingress ports that do
         * not belong to the VLAN member. Frames whose VID is not listed on
         * the VLAN table are forwarded by the PCR_MATRIX members.
         */
        MT7530_PORT_FALLBACK_MODE = PORT_VLAN(1),

        /* Security Mode: Discard any frame due to ingress membership
         * violation or VID missed on the VLAN table.
         */
        MT7530_PORT_SECURITY_MODE = PORT_VLAN(3),
};

#define  PCR_MATRIX(x)                  (((x) & 0xff) << 16)
#define  PORT_PRI(x)                    (((x) & 0x7) << 24)
#define  EG_TAG(x)                      (((x) & 0x3) << 28)
#define  PCR_MATRIX_MASK                PCR_MATRIX(0xff)
#define  PCR_MATRIX_CLR                 PCR_MATRIX(0)
#define  PCR_PORT_VLAN_MASK             PORT_VLAN(3)

/* Register for port security control */
#define MT7530_PSC_P(x)                 (0x200c + ((x) * 0x100))
#define  SA_DIS                         BIT(4)

/* Register for port vlan control */
#define MT7530_PVC_P(x)                 (0x2010 + ((x) * 0x100))
#define  PORT_SPEC_TAG                  BIT(5)
#define  PVC_EG_TAG(x)                  (((x) & 0x7) << 8)
#define  PVC_EG_TAG_MASK                PVC_EG_TAG(7)
#define  VLAN_ATTR(x)                   (((x) & 0x3) << 6)
#define  VLAN_ATTR_MASK                 VLAN_ATTR(3)
#define  ACC_FRM_MASK                   GENMASK(1, 0)

enum mt7530_vlan_port_eg_tag {
        MT7530_VLAN_EG_DISABLED = 0,
        MT7530_VLAN_EG_CONSISTENT = 1,
        MT7530_VLAN_EG_UNTAGGED = 4,
};

enum mt7530_vlan_port_attr {
        MT7530_VLAN_USER = 0,
        MT7530_VLAN_TRANSPARENT = 3,
};

enum mt7530_vlan_port_acc_frm {
        MT7530_VLAN_ACC_ALL = 0,
        MT7530_VLAN_ACC_TAGGED = 1,
        MT7530_VLAN_ACC_UNTAGGED = 2,
};

#define  STAG_VPID                      (((x) & 0xffff) << 16)

/* Register for port port-and-protocol based vlan 1 control */
#define MT7530_PPBV1_P(x)               (0x2014 + ((x) * 0x100))
#define  G0_PORT_VID(x)                 (((x) & 0xfff) << 0)
#define  G0_PORT_VID_MASK               G0_PORT_VID(0xfff)
#define  G0_PORT_VID_DEF                G0_PORT_VID(0)

/* Register for port MAC control register */
#define MT753X_PMCR_P(x)                (0x3000 + ((x) * 0x100))
#define  PMCR_IFG_XMIT_MASK             GENMASK(19, 18)
#define  PMCR_IFG_XMIT(x)               FIELD_PREP(PMCR_IFG_XMIT_MASK, x)
#define  PMCR_EXT_PHY                   BIT(17)
#define  PMCR_MAC_MODE                  BIT(16)
#define  MT7530_FORCE_MODE              BIT(15)
#define  PMCR_MAC_TX_EN                 BIT(14)
#define  PMCR_MAC_RX_EN                 BIT(13)
#define  PMCR_BACKOFF_EN                BIT(9)
#define  PMCR_BACKPR_EN                 BIT(8)
#define  PMCR_FORCE_EEE1G               BIT(7)
#define  PMCR_FORCE_EEE100              BIT(6)
#define  PMCR_FORCE_RX_FC_EN            BIT(5)
#define  PMCR_FORCE_TX_FC_EN            BIT(4)
#define  PMCR_FORCE_SPEED_1000          BIT(3)
#define  PMCR_FORCE_SPEED_100           BIT(2)
#define  PMCR_FORCE_FDX                 BIT(1)
#define  PMCR_FORCE_LNK                 BIT(0)
#define  MT7531_FORCE_MODE_LNK          BIT(31)
#define  MT7531_FORCE_MODE_SPD          BIT(30)
#define  MT7531_FORCE_MODE_DPX          BIT(29)
#define  MT7531_FORCE_MODE_RX_FC        BIT(28)
#define  MT7531_FORCE_MODE_TX_FC        BIT(27)
#define  MT7531_FORCE_MODE_EEE100       BIT(26)
#define  MT7531_FORCE_MODE_EEE1G        BIT(25)
#define  MT7531_FORCE_MODE_MASK         (MT7531_FORCE_MODE_LNK | \
                                         MT7531_FORCE_MODE_SPD | \
                                         MT7531_FORCE_MODE_DPX | \
                                         MT7531_FORCE_MODE_RX_FC | \
                                         MT7531_FORCE_MODE_TX_FC | \
                                         MT7531_FORCE_MODE_EEE100 | \
                                         MT7531_FORCE_MODE_EEE1G)
#define  MT753X_FORCE_MODE(id)          ((id == ID_MT7531 || \
                                          id == ID_MT7988) ? \
                                         MT7531_FORCE_MODE_MASK : \
                                         MT7530_FORCE_MODE)
#define  PMCR_LINK_SETTINGS_MASK        (PMCR_MAC_TX_EN | PMCR_MAC_RX_EN | \
                                         PMCR_FORCE_EEE1G | \
                                         PMCR_FORCE_EEE100 | \
                                         PMCR_FORCE_RX_FC_EN | \
                                         PMCR_FORCE_TX_FC_EN | \
                                         PMCR_FORCE_SPEED_1000 | \
                                         PMCR_FORCE_SPEED_100 | \
                                         PMCR_FORCE_FDX | PMCR_FORCE_LNK)

#define MT753X_PMEEECR_P(x)             (0x3004 + (x) * 0x100)
#define  WAKEUP_TIME_1000_MASK          GENMASK(31, 24)
#define  WAKEUP_TIME_1000(x)            FIELD_PREP(WAKEUP_TIME_1000_MASK, x)
#define  WAKEUP_TIME_100_MASK           GENMASK(23, 16)
#define  WAKEUP_TIME_100(x)             FIELD_PREP(WAKEUP_TIME_100_MASK, x)
#define  LPI_THRESH_MASK                GENMASK(15, 4)
#define  LPI_THRESH_GET(x)              FIELD_GET(LPI_THRESH_MASK, x)
#define  LPI_THRESH_SET(x)              FIELD_PREP(LPI_THRESH_MASK, x)
#define  LPI_MODE_EN                    BIT(0)

#define MT7530_PMSR_P(x)                (0x3008 + (x) * 0x100)
#define  PMSR_EEE1G                     BIT(7)
#define  PMSR_EEE100M                   BIT(6)
#define  PMSR_RX_FC                     BIT(5)
#define  PMSR_TX_FC                     BIT(4)
#define  PMSR_SPEED_1000                BIT(3)
#define  PMSR_SPEED_100                 BIT(2)
#define  PMSR_SPEED_10                  0x00
#define  PMSR_SPEED_MASK                (PMSR_SPEED_100 | PMSR_SPEED_1000)
#define  PMSR_DPX                       BIT(1)
#define  PMSR_LINK                      BIT(0)

/* Register for port debug count */
#define MT7531_DBG_CNT(x)               (0x3018 + (x) * 0x100)
#define  MT7531_DIS_CLR                 BIT(31)

#define MT7530_GMACCR                   0x30e0
#define  MAX_RX_JUMBO(x)                ((x) << 2)
#define  MAX_RX_JUMBO_MASK              GENMASK(5, 2)
#define  MAX_RX_PKT_LEN_MASK            GENMASK(1, 0)
#define  MAX_RX_PKT_LEN_1522            0x0
#define  MAX_RX_PKT_LEN_1536            0x1
#define  MAX_RX_PKT_LEN_1552            0x2
#define  MAX_RX_PKT_LEN_JUMBO           0x3

/* Register for MIB */
#define MT7530_PORT_MIB_COUNTER(x)      (0x4000 + (x) * 0x100)
/* Each define is an offset of MT7530_PORT_MIB_COUNTER */
#define   MT7530_PORT_MIB_TX_DROP       0x00
#define   MT7530_PORT_MIB_TX_CRC_ERR    0x04
#define   MT7530_PORT_MIB_TX_UNICAST    0x08
#define   MT7530_PORT_MIB_TX_MULTICAST  0x0c
#define   MT7530_PORT_MIB_TX_BROADCAST  0x10
#define   MT7530_PORT_MIB_TX_COLLISION  0x14
#define   MT7530_PORT_MIB_TX_SINGLE_COLLISION 0x18
#define   MT7530_PORT_MIB_TX_MULTIPLE_COLLISION 0x1c
#define   MT7530_PORT_MIB_TX_DEFERRED   0x20
#define   MT7530_PORT_MIB_TX_LATE_COLLISION 0x24
#define   MT7530_PORT_MIB_TX_EXCESSIVE_COLLISION 0x28
#define   MT7530_PORT_MIB_TX_PAUSE      0x2c
#define   MT7530_PORT_MIB_TX_PKT_SZ_64  0x30
#define   MT7530_PORT_MIB_TX_PKT_SZ_65_TO_127 0x34
#define   MT7530_PORT_MIB_TX_PKT_SZ_128_TO_255 0x38
#define   MT7530_PORT_MIB_TX_PKT_SZ_256_TO_511 0x3c
#define   MT7530_PORT_MIB_TX_PKT_SZ_512_TO_1023 0x40
#define   MT7530_PORT_MIB_TX_PKT_SZ_1024_TO_MAX 0x44
#define   MT7530_PORT_MIB_TX_BYTES      0x48 /* 64 bytes */
#define   MT7530_PORT_MIB_RX_DROP       0x60
#define   MT7530_PORT_MIB_RX_FILTERING  0x64
#define   MT7530_PORT_MIB_RX_UNICAST    0x68
#define   MT7530_PORT_MIB_RX_MULTICAST  0x6c
#define   MT7530_PORT_MIB_RX_BROADCAST  0x70
#define   MT7530_PORT_MIB_RX_ALIGN_ERR  0x74
#define   MT7530_PORT_MIB_RX_CRC_ERR    0x78
#define   MT7530_PORT_MIB_RX_UNDER_SIZE_ERR 0x7c
#define   MT7530_PORT_MIB_RX_FRAG_ERR   0x80
#define   MT7530_PORT_MIB_RX_OVER_SZ_ERR 0x84
#define   MT7530_PORT_MIB_RX_JABBER_ERR 0x88
#define   MT7530_PORT_MIB_RX_PAUSE      0x8c
#define   MT7530_PORT_MIB_RX_PKT_SZ_64  0x90
#define   MT7530_PORT_MIB_RX_PKT_SZ_65_TO_127 0x94
#define   MT7530_PORT_MIB_RX_PKT_SZ_128_TO_255 0x98
#define   MT7530_PORT_MIB_RX_PKT_SZ_256_TO_511 0x9c
#define   MT7530_PORT_MIB_RX_PKT_SZ_512_TO_1023 0xa0
#define   MT7530_PORT_MIB_RX_PKT_SZ_1024_TO_MAX 0xa4
#define   MT7530_PORT_MIB_RX_BYTES      0xa8 /* 64 bytes */
#define   MT7530_PORT_MIB_RX_CTRL_DROP  0xb0
#define   MT7530_PORT_MIB_RX_INGRESS_DROP 0xb4
#define   MT7530_PORT_MIB_RX_ARL_DROP   0xb8
#define MT7530_MIB_CCR                  0x4fe0
#define  CCR_MIB_ENABLE                 BIT(31)
#define  CCR_RX_OCT_CNT_GOOD            BIT(7)
#define  CCR_RX_OCT_CNT_BAD             BIT(6)
#define  CCR_TX_OCT_CNT_GOOD            BIT(5)
#define  CCR_TX_OCT_CNT_BAD             BIT(4)
#define  CCR_MIB_FLUSH                  (CCR_RX_OCT_CNT_GOOD | \
                                         CCR_RX_OCT_CNT_BAD | \
                                         CCR_TX_OCT_CNT_GOOD | \
                                         CCR_TX_OCT_CNT_BAD)
#define  CCR_MIB_ACTIVATE               (CCR_MIB_ENABLE | \
                                         CCR_RX_OCT_CNT_GOOD | \
                                         CCR_RX_OCT_CNT_BAD | \
                                         CCR_TX_OCT_CNT_GOOD | \
                                         CCR_TX_OCT_CNT_BAD)

/* MT7531 SGMII register group */
#define MT7531_SGMII_REG_BASE(p)        (0x5000 + ((p) - 5) * 0x1000)
#define MT7531_PHYA_CTRL_SIGNAL3        0x128

/* Register for system reset */
#define MT7530_SYS_CTRL                 0x7000
#define  SYS_CTRL_PHY_RST               BIT(2)
#define  SYS_CTRL_SW_RST                BIT(1)
#define  SYS_CTRL_REG_RST               BIT(0)

/* Register for system interrupt */
#define MT7530_SYS_INT_EN               0x7008

/* Register for system interrupt status */
#define MT7530_SYS_INT_STS              0x700c

/* Register for PHY Indirect Access Control */
#define MT7531_PHY_IAC                  0x701C
#define  MT7531_PHY_ACS_ST              BIT(31)
#define  MT7531_MDIO_REG_ADDR_MASK      (0x1f << 25)
#define  MT7531_MDIO_PHY_ADDR_MASK      (0x1f << 20)
#define  MT7531_MDIO_CMD_MASK           (0x3 << 18)
#define  MT7531_MDIO_ST_MASK            (0x3 << 16)
#define  MT7531_MDIO_RW_DATA_MASK       (0xffff)
#define  MT7531_MDIO_REG_ADDR(x)        (((x) & 0x1f) << 25)
#define  MT7531_MDIO_DEV_ADDR(x)        (((x) & 0x1f) << 25)
#define  MT7531_MDIO_PHY_ADDR(x)        (((x) & 0x1f) << 20)
#define  MT7531_MDIO_CMD(x)             (((x) & 0x3) << 18)
#define  MT7531_MDIO_ST(x)              (((x) & 0x3) << 16)

enum mt7531_phy_iac_cmd {
        MT7531_MDIO_ADDR = 0,
        MT7531_MDIO_WRITE = 1,
        MT7531_MDIO_READ = 2,
        MT7531_MDIO_READ_CL45 = 3,
};

/* MDIO_ST: MDIO start field */
enum mt7531_mdio_st {
        MT7531_MDIO_ST_CL45 = 0,
        MT7531_MDIO_ST_CL22 = 1,
};

#define  MT7531_MDIO_CL22_READ          (MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
                                         MT7531_MDIO_CMD(MT7531_MDIO_READ))
#define  MT7531_MDIO_CL22_WRITE         (MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
                                         MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
#define  MT7531_MDIO_CL45_ADDR          (MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
                                         MT7531_MDIO_CMD(MT7531_MDIO_ADDR))
#define  MT7531_MDIO_CL45_READ          (MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
                                         MT7531_MDIO_CMD(MT7531_MDIO_READ))
#define  MT7531_MDIO_CL45_WRITE         (MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
                                         MT7531_MDIO_CMD(MT7531_MDIO_WRITE))

/* Register for RGMII clock phase */
#define MT7531_CLKGEN_CTRL              0x7500
#define  CLK_SKEW_OUT(x)                (((x) & 0x3) << 8)
#define  CLK_SKEW_OUT_MASK              GENMASK(9, 8)
#define  CLK_SKEW_IN(x)                 (((x) & 0x3) << 6)
#define  CLK_SKEW_IN_MASK               GENMASK(7, 6)
#define  RXCLK_NO_DELAY                 BIT(5)
#define  TXCLK_NO_REVERSE               BIT(4)
#define  GP_MODE(x)                     (((x) & 0x3) << 1)
#define  GP_MODE_MASK                   GENMASK(2, 1)
#define  GP_CLK_EN                      BIT(0)

enum mt7531_gp_mode {
        MT7531_GP_MODE_RGMII = 0,
        MT7531_GP_MODE_MII = 1,
        MT7531_GP_MODE_REV_MII = 2
};

enum mt7531_clk_skew {
        MT7531_CLK_SKEW_NO_CHG = 0,
        MT7531_CLK_SKEW_DLY_100PPS = 1,
        MT7531_CLK_SKEW_DLY_200PPS = 2,
        MT7531_CLK_SKEW_REVERSE = 3,
};

/* Register for trap status */
#define MT753X_TRAP                     0x7800
#define  MT7530_XTAL_MASK               (BIT(10) | BIT(9))
#define  MT7530_XTAL_25MHZ              (BIT(10) | BIT(9))
#define  MT7530_XTAL_40MHZ              BIT(10)
#define  MT7530_XTAL_20MHZ              BIT(9)
#define  MT7531_XTAL25                  BIT(7)

/* Register for trap modification */
#define MT753X_MTRAP                    0x7804
#define  MT7530_P5_PHY0_SEL             BIT(20)
#define  MT7530_CHG_TRAP                BIT(16)
#define  MT7530_P5_MAC_SEL              BIT(13)
#define  MT7530_P6_DIS                  BIT(8)
#define  MT7530_P5_RGMII_MODE           BIT(7)
#define  MT7530_P5_DIS                  BIT(6)
#define  MT7530_PHY_INDIRECT_ACCESS     BIT(5)
#define  MT7531_CHG_STRAP               BIT(8)
#define  MT7531_PHY_EN                  BIT(6)

enum mt7531_xtal_fsel {
        MT7531_XTAL_FSEL_25MHZ,
        MT7531_XTAL_FSEL_40MHZ,
};

/* Register for TOP signal control */
#define MT7530_TOP_SIG_CTRL             0x7808
#define  TOP_SIG_CTRL_NORMAL            (BIT(17) | BIT(16))

#define MT7531_TOP_SIG_SR               0x780c
#define  PAD_DUAL_SGMII_EN              BIT(1)
#define  PAD_MCM_SMI_EN                 BIT(0)

#define MT7530_IO_DRV_CR                0x7810
#define  P5_IO_CLK_DRV(x)               ((x) & 0x3)
#define  P5_IO_DATA_DRV(x)              (((x) & 0x3) << 4)

#define MT7531_CHIP_REV                 0x781C

#define MT7531_PLLGP_EN                 0x7820
#define  EN_COREPLL                     BIT(2)
#define  SW_CLKSW                       BIT(1)
#define  SW_PLLGP                       BIT(0)

#define MT7530_P6ECR                    0x7830
#define  P6_INTF_MODE_MASK              0x3
#define  P6_INTF_MODE(x)                ((x) & 0x3)

#define MT7531_PLLGP_CR0                0x78a8
#define  RG_COREPLL_EN                  BIT(22)
#define  RG_COREPLL_POSDIV_S            23
#define  RG_COREPLL_POSDIV_M            0x3800000
#define  RG_COREPLL_SDM_PCW_S           1
#define  RG_COREPLL_SDM_PCW_M           0x3ffffe
#define  RG_COREPLL_SDM_PCW_CHG         BIT(0)

/* Registers for RGMII and SGMII PLL clock */
#define MT7531_ANA_PLLGP_CR2            0x78b0
#define MT7531_ANA_PLLGP_CR5            0x78bc

/* Registers for TRGMII on the both side */
#define MT7530_TRGMII_RCK_CTRL          0x7a00
#define  RX_RST                         BIT(31)
#define  RXC_DQSISEL                    BIT(30)
#define  DQSI1_TAP_MASK                 (0x7f << 8)
#define  DQSI0_TAP_MASK                 0x7f
#define  DQSI1_TAP(x)                   (((x) & 0x7f) << 8)
#define  DQSI0_TAP(x)                   ((x) & 0x7f)

#define MT7530_TRGMII_RCK_RTT           0x7a04
#define  DQS1_GATE                      BIT(31)
#define  DQS0_GATE                      BIT(30)

#define MT7530_TRGMII_RD(x)             (0x7a10 + (x) * 8)
#define  BSLIP_EN                       BIT(31)
#define  EDGE_CHK                       BIT(30)
#define  RD_TAP_MASK                    0x7f
#define  RD_TAP(x)                      ((x) & 0x7f)

#define MT7530_TRGMII_TXCTRL            0x7a40
#define  TRAIN_TXEN                     BIT(31)
#define  TXC_INV                        BIT(30)
#define  TX_RST                         BIT(28)

#define MT7530_TRGMII_TD_ODT(i)         (0x7a54 + 8 * (i))
#define  TD_DM_DRVP(x)                  ((x) & 0xf)
#define  TD_DM_DRVN(x)                  (((x) & 0xf) << 4)

#define MT7530_TRGMII_TCK_CTRL          0x7a78
#define  TCK_TAP(x)                     (((x) & 0xf) << 8)

#define MT7530_P5RGMIIRXCR              0x7b00
#define  CSR_RGMII_EDGE_ALIGN           BIT(8)
#define  CSR_RGMII_RXC_0DEG_CFG(x)      ((x) & 0xf)

#define MT7530_P5RGMIITXCR              0x7b04
#define  CSR_RGMII_TXC_CFG(x)           ((x) & 0x1f)

/* Registers for GPIO mode */
#define MT7531_GPIO_MODE0               0x7c0c
#define  MT7531_GPIO0_MASK              GENMASK(3, 0)
#define  MT7531_GPIO0_INTERRUPT         1

#define MT7531_GPIO_MODE1               0x7c10
#define  MT7531_GPIO11_RG_RXD2_MASK     GENMASK(15, 12)
#define  MT7531_EXT_P_MDC_11            (2 << 12)
#define  MT7531_GPIO12_RG_RXD3_MASK     GENMASK(19, 16)
#define  MT7531_EXT_P_MDIO_12           (2 << 16)

#define MT753X_CPORT_SPTAG_CFG          0x7c10
#define  CPORT_SW2FE_STAG_EN            BIT(1)
#define  CPORT_FE2SW_STAG_EN            BIT(0)

#define AN7583_GEPHY_CONN_CFG           0x7c14
#define  AN7583_CSR_DPHY_CKIN_SEL       BIT(31)
#define  AN7583_CSR_PHY_CORE_REG_CLK_SEL BIT(30)
#define  AN7583_CSR_ETHER_AFE_PWD       GENMASK(28, 24)

/* Registers for LED GPIO control (MT7530 only)
 * All registers follow this pattern:
 * [ 2: 0]  port 0
 * [ 6: 4]  port 1
 * [10: 8]  port 2
 * [14:12]  port 3
 * [18:16]  port 4
 */

/* LED enable, 0: Disable, 1: Enable (Default) */
#define MT7530_LED_EN                   0x7d00
/* LED mode, 0: GPIO mode, 1: PHY mode (Default) */
#define MT7530_LED_IO_MODE              0x7d04
/* GPIO direction, 0: Input, 1: Output */
#define MT7530_LED_GPIO_DIR             0x7d10
/* GPIO output enable, 0: Disable, 1: Enable */
#define MT7530_LED_GPIO_OE              0x7d14
/* GPIO value, 0: Low, 1: High */
#define MT7530_LED_GPIO_DATA            0x7d18

#define MT7530_CREV                     0x7ffc
#define  CHIP_NAME_SHIFT                16
#define  MT7530_ID                      0x7530

#define MT7531_CREV                     0x781C
#define  CHIP_REV_M                     0x0f
#define  MT7531_ID                      0x7531

/* Registers for core PLL access through mmd indirect */
#define CORE_PLL_GROUP2                 0x401
#define  RG_SYSPLL_EN_NORMAL            BIT(15)
#define  RG_SYSPLL_VODEN                BIT(14)
#define  RG_SYSPLL_LF                   BIT(13)
#define  RG_SYSPLL_RST_DLY(x)           (((x) & 0x3) << 12)
#define  RG_SYSPLL_LVROD_EN             BIT(10)
#define  RG_SYSPLL_PREDIV(x)            (((x) & 0x3) << 8)
#define  RG_SYSPLL_POSDIV(x)            (((x) & 0x3) << 5)
#define  RG_SYSPLL_FBKSEL               BIT(4)
#define  RT_SYSPLL_EN_AFE_OLT           BIT(0)

#define CORE_PLL_GROUP4                 0x403
#define  RG_SYSPLL_DDSFBK_EN            BIT(12)
#define  RG_SYSPLL_BIAS_EN              BIT(11)
#define  RG_SYSPLL_BIAS_LPF_EN          BIT(10)
#define  MT7531_RG_SYSPLL_DMY2          BIT(6)
#define  MT7531_PHY_PLL_OFF             BIT(5)
#define  MT7531_PHY_PLL_BYPASS_MODE     BIT(4)

#define MT753X_CTRL_PHY_ADDR(addr)      ((addr + 1) & 0x1f)

#define CORE_PLL_GROUP5                 0x404
#define  RG_LCDDS_PCW_NCPO1(x)          ((x) & 0xffff)

#define CORE_PLL_GROUP6                 0x405
#define  RG_LCDDS_PCW_NCPO0(x)          ((x) & 0xffff)

#define CORE_PLL_GROUP7                 0x406
#define  RG_LCDDS_PWDB                  BIT(15)
#define  RG_LCDDS_ISO_EN                BIT(13)
#define  RG_LCCDS_C(x)                  (((x) & 0x7) << 4)
#define  RG_LCDDS_PCW_NCPO_CHG          BIT(3)

#define CORE_PLL_GROUP10                0x409
#define  RG_LCDDS_SSC_DELTA(x)          ((x) & 0xfff)

#define CORE_PLL_GROUP11                0x40a
#define  RG_LCDDS_SSC_DELTA1(x)         ((x) & 0xfff)

#define CORE_GSWPLL_GRP1                0x40d
#define  RG_GSWPLL_PREDIV(x)            (((x) & 0x3) << 14)
#define  RG_GSWPLL_POSDIV_200M(x)       (((x) & 0x3) << 12)
#define  RG_GSWPLL_EN_PRE               BIT(11)
#define  RG_GSWPLL_FBKSEL               BIT(10)
#define  RG_GSWPLL_BP                   BIT(9)
#define  RG_GSWPLL_BR                   BIT(8)
#define  RG_GSWPLL_FBKDIV_200M(x)       ((x) & 0xff)

#define CORE_GSWPLL_GRP2                0x40e
#define  RG_GSWPLL_POSDIV_500M(x)       (((x) & 0x3) << 8)
#define  RG_GSWPLL_FBKDIV_500M(x)       ((x) & 0xff)

#define CORE_TRGMII_GSW_CLK_CG          0x410
#define  REG_GSWCK_EN                   BIT(0)
#define  REG_TRGMIICK_EN                BIT(1)

#define MIB_DESC(_s, _o, _n)    \
        {                       \
                .size = (_s),   \
                .offset = (_o), \
                .name = (_n),   \
        }

struct mt7530_mib_desc {
        unsigned int size;
        unsigned int offset;
        const char *name;
};

struct mt7530_fdb {
        u16 vid;
        u8 port_mask;
        u8 aging;
        u8 mac[6];
        bool noarp;
};

/* struct mt7530_port - This is the main data structure for holding the state
 *                      of the port.
 * @enable:     The status used for show port is enabled or not.
 * @pm:         The matrix used to show all connections with the port.
 * @pvid:       The VLAN specified is to be considered a PVID at ingress.  Any
 *              untagged frames will be assigned to the related VLAN.
 * @sgmii_pcs:  Pointer to PCS instance for SerDes ports
 */
struct mt7530_port {
        bool enable;
        bool isolated;
        u32 pm;
        u16 pvid;
        struct phylink_pcs *sgmii_pcs;
};

/* Port 5 mode definitions of the MT7530 switch */
enum mt7530_p5_mode {
        GMAC5,
        MUX_PHY_P0,
        MUX_PHY_P4,
};

struct mt7530_priv;

struct mt753x_pcs {
        struct phylink_pcs pcs;
        struct mt7530_priv *priv;
        int port;
};

/* struct mt753x_info - This is the main data structure for holding the specific
 *                      part for each supported device
 * @id:                 Holding the identifier to a switch model
 * @pcs_ops:            Holding the pointer to the MAC PCS operations structure
 * @sw_setup:           Holding the handler to a device initialization
 * @phy_read_c22:       Holding the way reading PHY port using C22
 * @phy_write_c22:      Holding the way writing PHY port using C22
 * @phy_read_c45:       Holding the way reading PHY port using C45
 * @phy_write_c45:      Holding the way writing PHY port using C45
 * @mac_port_get_caps:  Holding the handler that provides MAC capabilities
 * @mac_port_config:    Holding the way setting up the PHY attribute to a
 *                      certain MAC port
 */
struct mt753x_info {
        enum mt753x_id id;

        const struct phylink_pcs_ops *pcs_ops;

        int (*sw_setup)(struct dsa_switch *ds);
        int (*phy_read_c22)(struct mt7530_priv *priv, int port, int regnum);
        int (*phy_write_c22)(struct mt7530_priv *priv, int port, int regnum,
                             u16 val);
        int (*phy_read_c45)(struct mt7530_priv *priv, int port, int devad,
                            int regnum);
        int (*phy_write_c45)(struct mt7530_priv *priv, int port, int devad,
                             int regnum, u16 val);
        void (*mac_port_get_caps)(struct dsa_switch *ds, int port,
                                  struct phylink_config *config);
        void (*mac_port_config)(struct dsa_switch *ds, int port,
                                unsigned int mode,
                                phy_interface_t interface);
};

/* struct mt7530_priv - This is the main data structure for holding the state
 *                      of the driver
 * @dev:                The device pointer
 * @ds:                 The pointer to the dsa core structure
 * @bus:                The bus used for the device and built-in PHY
 * @regmap:             The regmap instance representing all switch registers
 * @rstc:               The pointer to reset control used by MCM
 * @core_pwr:           The power supplied into the core
 * @io_pwr:             The power supplied into the I/O
 * @reset:              The descriptor for GPIO line tied to its reset pin
 * @mcm:                Flag for distinguishing if standalone IC or module
 *                      coupling
 * @ports:              Holding the state among ports
 * @reg_mutex:          The lock for protecting among process accessing
 *                      registers
 * @p5_mode:            Holding the current mode of port 5 of the MT7530 switch
 * @p5_sgmii:           Flag for distinguishing if port 5 of the MT7531 switch
 *                      has got SGMII
 * @irq_domain:         IRQ domain of the switch irq_chip
 * @create_sgmii:       Pointer to function creating SGMII PCS instance(s)
 * @active_cpu_ports:   Holding the active CPU ports
 * @mdiodev:            The pointer to the MDIO device structure
 */
struct mt7530_priv {
        struct device           *dev;
        struct dsa_switch       *ds;
        struct mii_bus          *bus;
        struct regmap           *regmap;
        struct reset_control    *rstc;
        struct regulator        *core_pwr;
        struct regulator        *io_pwr;
        struct gpio_desc        *reset;
        const struct mt753x_info *info;
        unsigned int            id;
        bool                    mcm;
        enum mt7530_p5_mode     p5_mode;
        bool                    p5_sgmii;
        u8                      mirror_rx;
        u8                      mirror_tx;
        struct mt7530_port      ports[MT7530_NUM_PORTS];
        struct mt753x_pcs       pcs[MT7530_NUM_PORTS];
        /* protect among processes for registers access*/
        struct mutex reg_mutex;
        struct irq_domain *irq_domain;
        int (*create_sgmii)(struct mt7530_priv *priv);
        u8 active_cpu_ports;
        struct mdio_device *mdiodev;
};

struct mt7530_hw_vlan_entry {
        int port;
        u8  old_members;
        bool untagged;
};

static inline void mt7530_hw_vlan_entry_init(struct mt7530_hw_vlan_entry *e,
                                             int port, bool untagged)
{
        e->port = port;
        e->untagged = untagged;
}

typedef void (*mt7530_vlan_op)(struct mt7530_priv *,
                               struct mt7530_hw_vlan_entry *);

struct mt7530_hw_stats {
        const char      *string;
        u16             reg;
        u8              sizeof_stat;
};

struct mt7530_dummy_poll {
        struct mt7530_priv *priv;
        u32 reg;
};

static inline void INIT_MT7530_DUMMY_POLL(struct mt7530_dummy_poll *p,
                                          struct mt7530_priv *priv, u32 reg)
{
        p->priv = priv;
        p->reg = reg;
}

int mt7530_probe_common(struct mt7530_priv *priv);
void mt7530_remove_common(struct mt7530_priv *priv);

extern const struct mt753x_info mt753x_table[];

#endif /* __MT7530_H */