/*
 * Marvell 88SE64xx/88SE94xx const head file
 *
 * Copyright 2007 Red Hat, Inc.
 * Copyright 2008 Marvell. <kewei@marvell.com>
 *
 * This file is licensed under GPLv2.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; version 2 of the
 * License.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
*/

#ifndef _MV_DEFS_H_
#define _MV_DEFS_H_

#define PCI_DEVICE_ID_ARECA_1300        0x1300
#define PCI_DEVICE_ID_ARECA_1320        0x1320

enum chip_flavors {
        chip_6320,
        chip_6440,
        chip_6485,
        chip_9480,
        chip_9180,
        chip_1300,
        chip_1320
};

/* driver compile-time configuration */
enum driver_configuration {
        MVS_SLOTS               = 512,  /* command slots */
        MVS_TX_RING_SZ          = 1024, /* TX ring size (12-bit) */
        MVS_RX_RING_SZ          = 1024, /* RX ring size (12-bit) */
                                        /* software requires power-of-2
                                           ring size */
        MVS_SOC_SLOTS           = 64,
        MVS_SOC_TX_RING_SZ      = MVS_SOC_SLOTS * 2,
        MVS_SOC_RX_RING_SZ      = MVS_SOC_SLOTS * 2,

        MVS_SLOT_BUF_SZ         = 8192, /* cmd tbl + IU + status + PRD */
        MVS_SSP_CMD_SZ          = 64,   /* SSP command table buffer size */
        MVS_ATA_CMD_SZ          = 96,   /* SATA command table buffer size */
        MVS_OAF_SZ              = 64,   /* Open address frame buffer size */
        MVS_QUEUE_SIZE  = 32,   /* Support Queue depth */
        MVS_CAN_QUEUE           = MVS_SLOTS - 2,        /* SCSI Queue depth */
        MVS_SOC_CAN_QUEUE       = MVS_SOC_SLOTS - 2,
};

/* unchangeable hardware details */
enum hardware_details {
        MVS_MAX_PHYS            = 8,    /* max. possible phys */
        MVS_MAX_PORTS           = 8,    /* max. possible ports */
        MVS_SOC_PHYS            = 4,    /* soc phys */
        MVS_SOC_PORTS           = 4,    /* soc phys */
        MVS_MAX_DEVICES = 1024, /* max supported device */
};

/* peripheral registers (BAR2) */
enum peripheral_registers {
        SPI_CTL                 = 0x10, /* EEPROM control */
        SPI_CMD                 = 0x14, /* EEPROM command */
        SPI_DATA                = 0x18, /* EEPROM data */
};

enum peripheral_register_bits {
        TWSI_RDY                = (1U << 7),    /* EEPROM interface ready */
        TWSI_RD                 = (1U << 4),    /* EEPROM read access */

        SPI_ADDR_MASK           = 0x3ffff,      /* bits 17:0 */
};

enum hw_register_bits {
        /* MVS_GBL_CTL */
        INT_EN                  = (1U << 1),    /* Global int enable */
        HBA_RST                 = (1U << 0),    /* HBA reset */

        /* MVS_GBL_INT_STAT */
        INT_XOR                 = (1U << 4),    /* XOR engine event */
        INT_SAS_SATA            = (1U << 0),    /* SAS/SATA event */

        /* MVS_GBL_PORT_TYPE */                 /* shl for ports 1-3 */
        SATA_TARGET             = (1U << 16),   /* port0 SATA target enable */
        MODE_AUTO_DET_PORT7 = (1U << 15),       /* port0 SAS/SATA autodetect */
        MODE_AUTO_DET_PORT6 = (1U << 14),
        MODE_AUTO_DET_PORT5 = (1U << 13),
        MODE_AUTO_DET_PORT4 = (1U << 12),
        MODE_AUTO_DET_PORT3 = (1U << 11),
        MODE_AUTO_DET_PORT2 = (1U << 10),
        MODE_AUTO_DET_PORT1 = (1U << 9),
        MODE_AUTO_DET_PORT0 = (1U << 8),
        MODE_AUTO_DET_EN    =   MODE_AUTO_DET_PORT0 | MODE_AUTO_DET_PORT1 |
                                MODE_AUTO_DET_PORT2 | MODE_AUTO_DET_PORT3 |
                                MODE_AUTO_DET_PORT4 | MODE_AUTO_DET_PORT5 |
                                MODE_AUTO_DET_PORT6 | MODE_AUTO_DET_PORT7,
        MODE_SAS_PORT7_MASK = (1U << 7),  /* port0 SAS(1), SATA(0) mode */
        MODE_SAS_PORT6_MASK = (1U << 6),
        MODE_SAS_PORT5_MASK = (1U << 5),
        MODE_SAS_PORT4_MASK = (1U << 4),
        MODE_SAS_PORT3_MASK = (1U << 3),
        MODE_SAS_PORT2_MASK = (1U << 2),
        MODE_SAS_PORT1_MASK = (1U << 1),
        MODE_SAS_PORT0_MASK = (1U << 0),
        MODE_SAS_SATA   =       MODE_SAS_PORT0_MASK | MODE_SAS_PORT1_MASK |
                                MODE_SAS_PORT2_MASK | MODE_SAS_PORT3_MASK |
                                MODE_SAS_PORT4_MASK | MODE_SAS_PORT5_MASK |
                                MODE_SAS_PORT6_MASK | MODE_SAS_PORT7_MASK,

                                /* SAS_MODE value may be
                                 * dictated (in hw) by values
                                 * of SATA_TARGET & AUTO_DET
                                 */

        /* MVS_TX_CFG */
        TX_EN                   = (1U << 16),   /* Enable TX */
        TX_RING_SZ_MASK         = 0xfff,        /* TX ring size, bits 11:0 */

        /* MVS_RX_CFG */
        RX_EN                   = (1U << 16),   /* Enable RX */
        RX_RING_SZ_MASK         = 0xfff,        /* RX ring size, bits 11:0 */

        /* MVS_INT_COAL */
        COAL_EN                 = (1U << 16),   /* Enable int coalescing */

        /* MVS_INT_STAT, MVS_INT_MASK */
        CINT_I2C                = (1U << 31),   /* I2C event */
        CINT_SW0                = (1U << 30),   /* software event 0 */
        CINT_SW1                = (1U << 29),   /* software event 1 */
        CINT_PRD_BC             = (1U << 28),   /* PRD BC err for read cmd */
        CINT_DMA_PCIE           = (1U << 27),   /* DMA to PCIE timeout */
        CINT_MEM                = (1U << 26),   /* int mem parity err */
        CINT_I2C_SLAVE          = (1U << 25),   /* slave I2C event */
        CINT_SRS                = (1U << 3),    /* SRS event */
        CINT_CI_STOP            = (1U << 1),    /* cmd issue stopped */
        CINT_DONE               = (1U << 0),    /* cmd completion */

                                                /* shl for ports 1-3 */
        CINT_PORT_STOPPED       = (1U << 16),   /* port0 stopped */
        CINT_PORT               = (1U << 8),    /* port0 event */
        CINT_PORT_MASK_OFFSET   = 8,
        CINT_PORT_MASK          = (0xFF << CINT_PORT_MASK_OFFSET),
        CINT_PHY_MASK_OFFSET    = 4,
        CINT_PHY_MASK           = (0x0F << CINT_PHY_MASK_OFFSET),

        /* TX (delivery) ring bits */
        TXQ_CMD_SHIFT           = 29,
        TXQ_CMD_SSP             = 1,            /* SSP protocol */
        TXQ_CMD_SMP             = 2,            /* SMP protocol */
        TXQ_CMD_STP             = 3,            /* STP/SATA protocol */
        TXQ_CMD_SSP_FREE_LIST   = 4,            /* add to SSP targ free list */
        TXQ_CMD_SLOT_RESET      = 7,            /* reset command slot */
        TXQ_MODE_I              = (1U << 28),   /* mode: 0=target,1=initiator */
        TXQ_MODE_TARGET         = 0,
        TXQ_MODE_INITIATOR      = 1,
        TXQ_PRIO_HI             = (1U << 27),   /* priority: 0=normal, 1=high */
        TXQ_PRI_NORMAL          = 0,
        TXQ_PRI_HIGH            = 1,
        TXQ_SRS_SHIFT           = 20,           /* SATA register set */
        TXQ_SRS_MASK            = 0x7f,
        TXQ_PHY_SHIFT           = 12,           /* PHY bitmap */
        TXQ_PHY_MASK            = 0xff,
        TXQ_SLOT_MASK           = 0xfff,        /* slot number */

        /* RX (completion) ring bits */
        RXQ_GOOD                = (1U << 23),   /* Response good */
        RXQ_SLOT_RESET          = (1U << 21),   /* Slot reset complete */
        RXQ_CMD_RX              = (1U << 20),   /* target cmd received */
        RXQ_ATTN                = (1U << 19),   /* attention */
        RXQ_RSP                 = (1U << 18),   /* response frame xfer'd */
        RXQ_ERR                 = (1U << 17),   /* err info rec xfer'd */
        RXQ_DONE                = (1U << 16),   /* cmd complete */
        RXQ_SLOT_MASK           = 0xfff,        /* slot number */

        /* mvs_cmd_hdr bits */
        MCH_PRD_LEN_SHIFT       = 16,           /* 16-bit PRD table len */
        MCH_SSP_FR_TYPE_SHIFT   = 13,           /* SSP frame type */

                                                /* SSP initiator only */
        MCH_SSP_FR_CMD          = 0x0,          /* COMMAND frame */

                                                /* SSP initiator or target */
        MCH_SSP_FR_TASK         = 0x1,          /* TASK frame */

                                                /* SSP target only */
        MCH_SSP_FR_XFER_RDY     = 0x4,          /* XFER_RDY frame */
        MCH_SSP_FR_RESP         = 0x5,          /* RESPONSE frame */
        MCH_SSP_FR_READ         = 0x6,          /* Read DATA frame(s) */
        MCH_SSP_FR_READ_RESP    = 0x7,          /* ditto, plus RESPONSE */

        MCH_SSP_MODE_PASSTHRU   = 1,
        MCH_SSP_MODE_NORMAL     = 0,
        MCH_PASSTHRU            = (1U << 12),   /* pass-through (SSP) */
        MCH_FBURST              = (1U << 11),   /* first burst (SSP) */
        MCH_CHK_LEN             = (1U << 10),   /* chk xfer len (SSP) */
        MCH_RETRY               = (1U << 9),    /* tport layer retry (SSP) */
        MCH_PROTECTION          = (1U << 8),    /* protection info rec (SSP) */
        MCH_RESET               = (1U << 7),    /* Reset (STP/SATA) */
        MCH_FPDMA               = (1U << 6),    /* First party DMA (STP/SATA) */
        MCH_ATAPI               = (1U << 5),    /* ATAPI (STP/SATA) */
        MCH_BIST                = (1U << 4),    /* BIST activate (STP/SATA) */
        MCH_PMP_MASK            = 0xf,          /* PMP from cmd FIS (STP/SATA)*/

        CCTL_RST                = (1U << 5),    /* port logic reset */

                                                /* 0(LSB first), 1(MSB first) */
        CCTL_ENDIAN_DATA        = (1U << 3),    /* PRD data */
        CCTL_ENDIAN_RSP         = (1U << 2),    /* response frame */
        CCTL_ENDIAN_OPEN        = (1U << 1),    /* open address frame */
        CCTL_ENDIAN_CMD         = (1U << 0),    /* command table */

        /* MVS_Px_SER_CTLSTAT (per-phy control) */
        PHY_SSP_RST             = (1U << 3),    /* reset SSP link layer */
        PHY_BCAST_CHG           = (1U << 2),    /* broadcast(change) notif */
        PHY_RST_HARD            = (1U << 1),    /* hard reset + phy reset */
        PHY_RST                 = (1U << 0),    /* phy reset */
        PHY_READY_MASK          = (1U << 20),

        /* MVS_Px_INT_STAT, MVS_Px_INT_MASK (per-phy events) */
        PHYEV_DEC_ERR           = (1U << 24),   /* Phy Decoding Error */
        PHYEV_DCDR_ERR          = (1U << 23),   /* STP Deocder Error */
        PHYEV_CRC_ERR           = (1U << 22),   /* STP CRC Error */
        PHYEV_UNASSOC_FIS       = (1U << 19),   /* unassociated FIS rx'd */
        PHYEV_AN                = (1U << 18),   /* SATA async notification */
        PHYEV_BIST_ACT          = (1U << 17),   /* BIST activate FIS */
        PHYEV_SIG_FIS           = (1U << 16),   /* signature FIS */
        PHYEV_POOF              = (1U << 12),   /* phy ready from 1 -> 0 */
        PHYEV_IU_BIG            = (1U << 11),   /* IU too long err */
        PHYEV_IU_SMALL          = (1U << 10),   /* IU too short err */
        PHYEV_UNK_TAG           = (1U << 9),    /* unknown tag */
        PHYEV_BROAD_CH          = (1U << 8),    /* broadcast(CHANGE) */
        PHYEV_COMWAKE           = (1U << 7),    /* COMWAKE rx'd */
        PHYEV_PORT_SEL          = (1U << 6),    /* port selector present */
        PHYEV_HARD_RST          = (1U << 5),    /* hard reset rx'd */
        PHYEV_ID_TMOUT          = (1U << 4),    /* identify timeout */
        PHYEV_ID_FAIL           = (1U << 3),    /* identify failed */
        PHYEV_ID_DONE           = (1U << 2),    /* identify done */
        PHYEV_HARD_RST_DONE     = (1U << 1),    /* hard reset done */
        PHYEV_RDY_CH            = (1U << 0),    /* phy ready changed state */

        /* MVS_PCS */
        PCS_EN_SATA_REG_SHIFT   = (16),         /* Enable SATA Register Set */
        PCS_EN_PORT_XMT_SHIFT   = (12),         /* Enable Port Transmit */
        PCS_EN_PORT_XMT_SHIFT2  = (8),          /* For 6485 */
        PCS_SATA_RETRY          = (1U << 8),    /* retry ctl FIS on R_ERR */
        PCS_RSP_RX_EN           = (1U << 7),    /* raw response rx */
        PCS_SATA_RETRY_2        = (1U << 6),    /* For 9180 */
        PCS_SELF_CLEAR          = (1U << 5),    /* self-clearing int mode */
        PCS_FIS_RX_EN           = (1U << 4),    /* FIS rx enable */
        PCS_CMD_STOP_ERR        = (1U << 3),    /* cmd stop-on-err enable */
        PCS_CMD_RST             = (1U << 1),    /* reset cmd issue */
        PCS_CMD_EN              = (1U << 0),    /* enable cmd issue */

        /* Port n Attached Device Info */
        PORT_DEV_SSP_TRGT       = (1U << 19),
        PORT_DEV_SMP_TRGT       = (1U << 18),
        PORT_DEV_STP_TRGT       = (1U << 17),
        PORT_DEV_SSP_INIT       = (1U << 11),
        PORT_DEV_SMP_INIT       = (1U << 10),
        PORT_DEV_STP_INIT       = (1U << 9),
        PORT_PHY_ID_MASK        = (0xFFU << 24),
        PORT_SSP_TRGT_MASK      = (0x1U << 19),
        PORT_SSP_INIT_MASK      = (0x1U << 11),
        PORT_DEV_TRGT_MASK      = (0x7U << 17),
        PORT_DEV_INIT_MASK      = (0x7U << 9),
        PORT_DEV_TYPE_MASK      = (0x7U << 0),

        /* Port n PHY Status */
        PHY_RDY                 = (1U << 2),
        PHY_DW_SYNC             = (1U << 1),
        PHY_OOB_DTCTD           = (1U << 0),

        /* VSR */
        /* PHYMODE 6 (CDB) */
        PHY_MODE6_LATECLK       = (1U << 29),   /* Lock Clock */
        PHY_MODE6_DTL_SPEED     = (1U << 27),   /* Digital Loop Speed */
        PHY_MODE6_FC_ORDER      = (1U << 26),   /* Fibre Channel Mode Order*/
        PHY_MODE6_MUCNT_EN      = (1U << 24),   /* u Count Enable */
        PHY_MODE6_SEL_MUCNT_LEN = (1U << 22),   /* Training Length Select */
        PHY_MODE6_SELMUPI       = (1U << 20),   /* Phase Multi Select (init) */
        PHY_MODE6_SELMUPF       = (1U << 18),   /* Phase Multi Select (final) */
        PHY_MODE6_SELMUFF       = (1U << 16),   /* Freq Loop Multi Sel(final) */
        PHY_MODE6_SELMUFI       = (1U << 14),   /* Freq Loop Multi Sel(init) */
        PHY_MODE6_FREEZE_LOOP   = (1U << 12),   /* Freeze Rx CDR Loop */
        PHY_MODE6_INT_RXFOFFS   = (1U << 3),    /* Rx CDR Freq Loop Enable */
        PHY_MODE6_FRC_RXFOFFS   = (1U << 2),    /* Initial Rx CDR Offset */
        PHY_MODE6_STAU_0D8      = (1U << 1),    /* Rx CDR Freq Loop Saturate */
        PHY_MODE6_RXSAT_DIS     = (1U << 0),    /* Saturate Ctl */
};

/* SAS/SATA configuration port registers, aka phy registers */
enum sas_sata_config_port_regs {
        PHYR_IDENTIFY           = 0x00, /* info for IDENTIFY frame */
        PHYR_ADDR_LO            = 0x04, /* my SAS address (low) */
        PHYR_ADDR_HI            = 0x08, /* my SAS address (high) */
        PHYR_ATT_DEV_INFO       = 0x0C, /* attached device info */
        PHYR_ATT_ADDR_LO        = 0x10, /* attached dev SAS addr (low) */
        PHYR_ATT_ADDR_HI        = 0x14, /* attached dev SAS addr (high) */
        PHYR_SATA_CTL           = 0x18, /* SATA control */
        PHYR_PHY_STAT           = 0x1C, /* PHY status */
        PHYR_SATA_SIG0  = 0x20, /*port SATA signature FIS(Byte 0-3) */
        PHYR_SATA_SIG1  = 0x24, /*port SATA signature FIS(Byte 4-7) */
        PHYR_SATA_SIG2  = 0x28, /*port SATA signature FIS(Byte 8-11) */
        PHYR_SATA_SIG3  = 0x2c, /*port SATA signature FIS(Byte 12-15) */
        PHYR_R_ERR_COUNT        = 0x30, /* port R_ERR count register */
        PHYR_CRC_ERR_COUNT      = 0x34, /* port CRC error count register */
        PHYR_WIDE_PORT  = 0x38, /* wide port participating */
        PHYR_CURRENT0           = 0x80, /* current connection info 0 */
        PHYR_CURRENT1           = 0x84, /* current connection info 1 */
        PHYR_CURRENT2           = 0x88, /* current connection info 2 */
        CONFIG_ID_FRAME0       = 0x100, /* Port device ID frame register 0 */
        CONFIG_ID_FRAME1       = 0x104, /* Port device ID frame register 1 */
        CONFIG_ID_FRAME2       = 0x108, /* Port device ID frame register 2 */
        CONFIG_ID_FRAME3       = 0x10c, /* Port device ID frame register 3 */
        CONFIG_ID_FRAME4       = 0x110, /* Port device ID frame register 4 */
        CONFIG_ID_FRAME5       = 0x114, /* Port device ID frame register 5 */
        CONFIG_ID_FRAME6       = 0x118, /* Port device ID frame register 6 */
        CONFIG_ATT_ID_FRAME0   = 0x11c, /* attached ID frame register 0 */
        CONFIG_ATT_ID_FRAME1   = 0x120, /* attached ID frame register 1 */
        CONFIG_ATT_ID_FRAME2   = 0x124, /* attached ID frame register 2 */
        CONFIG_ATT_ID_FRAME3   = 0x128, /* attached ID frame register 3 */
        CONFIG_ATT_ID_FRAME4   = 0x12c, /* attached ID frame register 4 */
        CONFIG_ATT_ID_FRAME5   = 0x130, /* attached ID frame register 5 */
        CONFIG_ATT_ID_FRAME6   = 0x134, /* attached ID frame register 6 */
};

enum sas_cmd_port_registers {
        CMD_CMRST_OOB_DET       = 0x100, /* COMRESET OOB detect register */
        CMD_CMWK_OOB_DET        = 0x104, /* COMWAKE OOB detect register */
        CMD_CMSAS_OOB_DET       = 0x108, /* COMSAS OOB detect register */
        CMD_BRST_OOB_DET        = 0x10c, /* burst OOB detect register */
        CMD_OOB_SPACE   = 0x110, /* OOB space control register */
        CMD_OOB_BURST   = 0x114, /* OOB burst control register */
        CMD_PHY_TIMER           = 0x118, /* PHY timer control register */
        CMD_PHY_CONFIG0 = 0x11c, /* PHY config register 0 */
        CMD_PHY_CONFIG1 = 0x120, /* PHY config register 1 */
        CMD_SAS_CTL0            = 0x124, /* SAS control register 0 */
        CMD_SAS_CTL1            = 0x128, /* SAS control register 1 */
        CMD_SAS_CTL2            = 0x12c, /* SAS control register 2 */
        CMD_SAS_CTL3            = 0x130, /* SAS control register 3 */
        CMD_ID_TEST             = 0x134, /* ID test register */
        CMD_PL_TIMER            = 0x138, /* PL timer register */
        CMD_WD_TIMER            = 0x13c, /* WD timer register */
        CMD_PORT_SEL_COUNT      = 0x140, /* port selector count register */
        CMD_APP_MEM_CTL = 0x144, /* Application Memory Control */
        CMD_XOR_MEM_CTL = 0x148, /* XOR Block Memory Control */
        CMD_DMA_MEM_CTL = 0x14c, /* DMA Block Memory Control */
        CMD_PORT_MEM_CTL0       = 0x150, /* Port Memory Control 0 */
        CMD_PORT_MEM_CTL1       = 0x154, /* Port Memory Control 1 */
        CMD_SATA_PORT_MEM_CTL0  = 0x158, /* SATA Port Memory Control 0 */
        CMD_SATA_PORT_MEM_CTL1  = 0x15c, /* SATA Port Memory Control 1 */
        CMD_XOR_MEM_BIST_CTL    = 0x160, /* XOR Memory BIST Control */
        CMD_XOR_MEM_BIST_STAT   = 0x164, /* XOR Memroy BIST Status */
        CMD_DMA_MEM_BIST_CTL    = 0x168, /* DMA Memory BIST Control */
        CMD_DMA_MEM_BIST_STAT   = 0x16c, /* DMA Memory BIST Status */
        CMD_PORT_MEM_BIST_CTL   = 0x170, /* Port Memory BIST Control */
        CMD_PORT_MEM_BIST_STAT0 = 0x174, /* Port Memory BIST Status 0 */
        CMD_PORT_MEM_BIST_STAT1 = 0x178, /* Port Memory BIST Status 1 */
        CMD_STP_MEM_BIST_CTL    = 0x17c, /* STP Memory BIST Control */
        CMD_STP_MEM_BIST_STAT0  = 0x180, /* STP Memory BIST Status 0 */
        CMD_STP_MEM_BIST_STAT1  = 0x184, /* STP Memory BIST Status 1 */
        CMD_RESET_COUNT         = 0x188, /* Reset Count */
        CMD_MONTR_DATA_SEL      = 0x18C, /* Monitor Data/Select */
        CMD_PLL_PHY_CONFIG      = 0x190, /* PLL/PHY Configuration */
        CMD_PHY_CTL             = 0x194, /* PHY Control and Status */
        CMD_PHY_TEST_COUNT0     = 0x198, /* Phy Test Count 0 */
        CMD_PHY_TEST_COUNT1     = 0x19C, /* Phy Test Count 1 */
        CMD_PHY_TEST_COUNT2     = 0x1A0, /* Phy Test Count 2 */
        CMD_APP_ERR_CONFIG      = 0x1A4, /* Application Error Configuration */
        CMD_PND_FIFO_CTL0       = 0x1A8, /* Pending FIFO Control 0 */
        CMD_HOST_CTL            = 0x1AC, /* Host Control Status */
        CMD_HOST_WR_DATA        = 0x1B0, /* Host Write Data */
        CMD_HOST_RD_DATA        = 0x1B4, /* Host Read Data */
        CMD_PHY_MODE_21         = 0x1B8, /* Phy Mode 21 */
        CMD_SL_MODE0            = 0x1BC, /* SL Mode 0 */
        CMD_SL_MODE1            = 0x1C0, /* SL Mode 1 */
        CMD_PND_FIFO_CTL1       = 0x1C4, /* Pending FIFO Control 1 */
};

enum mvs_info_flags {
        MVF_MSI         = (1U << 0),    /* MSI is enabled */
        MVF_PHY_PWR_FIX = (1U << 1),    /* bug workaround */
        MVF_FLAG_SOC            = (1U << 2),    /* SoC integrated controllers */
};

enum mvs_event_flags {
        PHY_PLUG_EVENT  = (3U),
        PHY_PLUG_IN             = (1U << 0),    /* phy plug in */
        PHY_PLUG_OUT            = (1U << 1),    /* phy plug out */
};

enum mvs_port_type {
        PORT_TGT_MASK   =  (1U << 5),
        PORT_INIT_PORT  =  (1U << 4),
        PORT_TGT_PORT   =  (1U << 3),
        PORT_INIT_TGT_PORT = (PORT_INIT_PORT | PORT_TGT_PORT),
        PORT_TYPE_SAS   =  (1U << 1),
        PORT_TYPE_SATA  =  (1U << 0),
};

/* Command Table Format */
enum ct_format {
        /* SSP */
        SSP_F_H         =  0x00,
        SSP_F_IU        =  0x18,
        SSP_F_MAX       =  0x4D,
        /* STP */
        STP_CMD_FIS     =  0x00,
        STP_ATAPI_CMD   =  0x40,
        STP_F_MAX       =  0x10,
        /* SMP */
        SMP_F_T         =  0x00,
        SMP_F_DEP       =  0x01,
        SMP_F_MAX       =  0x101,
};

enum status_buffer {
        SB_EIR_OFF      =  0x00,        /* Error Information Record */
        SB_RFB_OFF      =  0x08,        /* Response Frame Buffer */
        SB_RFB_MAX      =  0x400,       /* RFB size*/
};

enum error_info_rec {
        CMD_ISS_STPD    = (1U << 31),   /* Cmd Issue Stopped */
        CMD_PI_ERR      = (1U << 30),   /* Protection info error.  see flags2 */
        RSP_OVER        = (1U << 29),   /* rsp buffer overflow */
        RETRY_LIM       = (1U << 28),   /* FIS/frame retry limit exceeded */
        UNK_FIS         = (1U << 27),   /* unknown FIS */
        DMA_TERM        = (1U << 26),   /* DMA terminate primitive rx'd */
        SYNC_ERR        = (1U << 25),   /* SYNC rx'd during frame xmit */
        TFILE_ERR       = (1U << 24),   /* SATA taskfile Error bit set */
        R_ERR           = (1U << 23),   /* SATA returned R_ERR prim */
        RD_OFS          = (1U << 20),   /* Read DATA frame invalid offset */
        XFER_RDY_OFS    = (1U << 19),   /* XFER_RDY offset error */
        UNEXP_XFER_RDY  = (1U << 18),   /* unexpected XFER_RDY error */
        DATA_OVER_UNDER = (1U << 16),   /* data overflow/underflow */
        INTERLOCK       = (1U << 15),   /* interlock error */
        NAK             = (1U << 14),   /* NAK rx'd */
        ACK_NAK_TO      = (1U << 13),   /* ACK/NAK timeout */
        CXN_CLOSED      = (1U << 12),   /* cxn closed w/out ack/nak */
        OPEN_TO         = (1U << 11),   /* I_T nexus lost, open cxn timeout */
        PATH_BLOCKED    = (1U << 10),   /* I_T nexus lost, pathway blocked */
        NO_DEST         = (1U << 9),    /* I_T nexus lost, no destination */
        STP_RES_BSY     = (1U << 8),    /* STP resources busy */
        BREAK           = (1U << 7),    /* break received */
        BAD_DEST        = (1U << 6),    /* bad destination */
        BAD_PROTO       = (1U << 5),    /* protocol not supported */
        BAD_RATE        = (1U << 4),    /* cxn rate not supported */
        WRONG_DEST      = (1U << 3),    /* wrong destination error */
        CREDIT_TO       = (1U << 2),    /* credit timeout */
        WDOG_TO         = (1U << 1),    /* watchdog timeout */
        BUF_PAR         = (1U << 0),    /* buffer parity error */
};

enum error_info_rec_2 {
        SLOT_BSY_ERR    = (1U << 31),   /* Slot Busy Error */
        GRD_CHK_ERR     = (1U << 14),   /* Guard Check Error */
        APP_CHK_ERR     = (1U << 13),   /* Application Check error */
        REF_CHK_ERR     = (1U << 12),   /* Reference Check Error */
        USR_BLK_NM      = (1U << 0),    /* User Block Number */
};

enum pci_cfg_register_bits {
        PCTL_PWR_OFF    = (0xFU << 24),
        PCTL_COM_ON     = (0xFU << 20),
        PCTL_LINK_RST   = (0xFU << 16),
        PCTL_LINK_OFFS  = (16),
        PCTL_PHY_DSBL   = (0xFU << 12),
        PCTL_PHY_DSBL_OFFS      = (12),
        PRD_REQ_SIZE    = (0x4000),
        PRD_REQ_MASK    = (0x00007000),
        PLS_NEG_LINK_WD         = (0x3FU << 4),
        PLS_NEG_LINK_WD_OFFS    = 4,
        PLS_LINK_SPD            = (0x0FU << 0),
        PLS_LINK_SPD_OFFS       = 0,
};

enum open_frame_protocol {
        PROTOCOL_SMP    = 0x0,
        PROTOCOL_SSP    = 0x1,
        PROTOCOL_STP    = 0x2,
};

/* define for response frame datapres field */
enum datapres_field {
        NO_DATA         = 0,
        RESPONSE_DATA   = 1,
        SENSE_DATA      = 2,
};

/* define task management IU */
struct mvs_tmf_task{
        u8 tmf;
        u16 tag_of_task_to_be_managed;
};
#endif