linux/drivers/net/ethernet/intel/e1000e/defines.h

/* Intel PRO/1000 Linux driver
 * Copyright(c) 1999 - 2014 Intel Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope 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.
 *
 * The full GNU General Public License is included in this distribution in
 * the file called "COPYING".
 *
 * Contact Information:
 * Linux NICS <linux.nics@intel.com>
 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 */

#ifndef _E1000_DEFINES_H_
#define _E1000_DEFINES_H_

/* Number of Transmit and Receive Descriptors must be a multiple of 8 */
#define REQ_TX_DESCRIPTOR_MULTIPLE  8
#define REQ_RX_DESCRIPTOR_MULTIPLE  8

/* Definitions for power management and wakeup registers */
/* Wake Up Control */
#define E1000_WUC_APME       0x00000001 /* APM Enable */
#define E1000_WUC_PME_EN     0x00000002 /* PME Enable */
#define E1000_WUC_PHY_WAKE   0x00000100 /* if PHY supports wakeup */

/* Wake Up Filter Control */
#define E1000_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */
#define E1000_WUFC_MAG  0x00000002 /* Magic Packet Wakeup Enable */
#define E1000_WUFC_EX   0x00000004 /* Directed Exact Wakeup Enable */
#define E1000_WUFC_MC   0x00000008 /* Directed Multicast Wakeup Enable */
#define E1000_WUFC_BC   0x00000010 /* Broadcast Wakeup Enable */
#define E1000_WUFC_ARP  0x00000020 /* ARP Request Packet Wakeup Enable */

/* Wake Up Status */
#define E1000_WUS_LNKC         E1000_WUFC_LNKC
#define E1000_WUS_MAG          E1000_WUFC_MAG
#define E1000_WUS_EX           E1000_WUFC_EX
#define E1000_WUS_MC           E1000_WUFC_MC
#define E1000_WUS_BC           E1000_WUFC_BC

/* Extended Device Control */
#define E1000_CTRL_EXT_LPCD  0x00000004     /* LCD Power Cycle Done */
#define E1000_CTRL_EXT_SDP3_DATA 0x00000080 /* Value of SW Definable Pin 3 */
#define E1000_CTRL_EXT_FORCE_SMBUS 0x00000800 /* Force SMBus mode */
#define E1000_CTRL_EXT_EE_RST    0x00002000 /* Reinitialize from EEPROM */
#define E1000_CTRL_EXT_SPD_BYPS  0x00008000 /* Speed Select Bypass */
#define E1000_CTRL_EXT_RO_DIS    0x00020000 /* Relaxed Ordering disable */
#define E1000_CTRL_EXT_DMA_DYN_CLK_EN 0x00080000 /* DMA Dynamic Clock Gating */
#define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000
#define E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES  0x00C00000
#define E1000_CTRL_EXT_EIAME          0x01000000
#define E1000_CTRL_EXT_DRV_LOAD       0x10000000 /* Driver loaded bit for FW */
#define E1000_CTRL_EXT_IAME		0x08000000 /* Int ACK Auto-mask */
#define E1000_CTRL_EXT_PBA_CLR        0x80000000 /* PBA Clear */
#define E1000_CTRL_EXT_LSECCK         0x00001000
#define E1000_CTRL_EXT_PHYPDEN        0x00100000

/* Receive Descriptor bit definitions */
#define E1000_RXD_STAT_DD       0x01    /* Descriptor Done */
#define E1000_RXD_STAT_EOP      0x02    /* End of Packet */
#define E1000_RXD_STAT_IXSM     0x04    /* Ignore checksum */
#define E1000_RXD_STAT_VP       0x08    /* IEEE VLAN Packet */
#define E1000_RXD_STAT_UDPCS    0x10    /* UDP xsum calculated */
#define E1000_RXD_STAT_TCPCS    0x20    /* TCP xsum calculated */
#define E1000_RXD_ERR_CE        0x01    /* CRC Error */
#define E1000_RXD_ERR_SE        0x02    /* Symbol Error */
#define E1000_RXD_ERR_SEQ       0x04    /* Sequence Error */
#define E1000_RXD_ERR_CXE       0x10    /* Carrier Extension Error */
#define E1000_RXD_ERR_TCPE      0x20    /* TCP/UDP Checksum Error */
#define E1000_RXD_ERR_IPE       0x40    /* IP Checksum Error */
#define E1000_RXD_ERR_RXE       0x80    /* Rx Data Error */
#define E1000_RXD_SPC_VLAN_MASK 0x0FFF  /* VLAN ID is in lower 12 bits */

#define E1000_RXDEXT_STATERR_TST   0x00000100	/* Time Stamp taken */
#define E1000_RXDEXT_STATERR_CE    0x01000000
#define E1000_RXDEXT_STATERR_SE    0x02000000
#define E1000_RXDEXT_STATERR_SEQ   0x04000000
#define E1000_RXDEXT_STATERR_CXE   0x10000000
#define E1000_RXDEXT_STATERR_RXE   0x80000000

/* mask to determine if packets should be dropped due to frame errors */
#define E1000_RXD_ERR_FRAME_ERR_MASK ( \
	E1000_RXD_ERR_CE  |		\
	E1000_RXD_ERR_SE  |		\
	E1000_RXD_ERR_SEQ |		\
	E1000_RXD_ERR_CXE |		\
	E1000_RXD_ERR_RXE)

/* Same mask, but for extended and packet split descriptors */
#define E1000_RXDEXT_ERR_FRAME_ERR_MASK ( \
	E1000_RXDEXT_STATERR_CE  |	\
	E1000_RXDEXT_STATERR_SE  |	\
	E1000_RXDEXT_STATERR_SEQ |	\
	E1000_RXDEXT_STATERR_CXE |	\
	E1000_RXDEXT_STATERR_RXE)

#define E1000_MRQC_RSS_FIELD_MASK              0xFFFF0000
#define E1000_MRQC_RSS_FIELD_IPV4_TCP          0x00010000
#define E1000_MRQC_RSS_FIELD_IPV4              0x00020000
#define E1000_MRQC_RSS_FIELD_IPV6_TCP_EX       0x00040000
#define E1000_MRQC_RSS_FIELD_IPV6              0x00100000
#define E1000_MRQC_RSS_FIELD_IPV6_TCP          0x00200000

#define E1000_RXDPS_HDRSTAT_HDRSP              0x00008000

/* Management Control */
#define E1000_MANC_SMBUS_EN      0x00000001 /* SMBus Enabled - RO */
#define E1000_MANC_ASF_EN        0x00000002 /* ASF Enabled - RO */
#define E1000_MANC_ARP_EN        0x00002000 /* Enable ARP Request Filtering */
#define E1000_MANC_RCV_TCO_EN    0x00020000 /* Receive TCO Packets Enabled */
#define E1000_MANC_BLK_PHY_RST_ON_IDE   0x00040000 /* Block phy resets */
/* Enable MAC address filtering */
#define E1000_MANC_EN_MAC_ADDR_FILTER   0x00100000
/* Enable MNG packets to host memory */
#define E1000_MANC_EN_MNG2HOST   0x00200000

#define E1000_MANC2H_PORT_623    0x00000020 /* Port 0x26f */
#define E1000_MANC2H_PORT_664    0x00000040 /* Port 0x298 */
#define E1000_MDEF_PORT_623      0x00000800 /* Port 0x26f */
#define E1000_MDEF_PORT_664      0x00000400 /* Port 0x298 */

/* Receive Control */
#define E1000_RCTL_EN             0x00000002    /* enable */
#define E1000_RCTL_SBP            0x00000004    /* store bad packet */
#define E1000_RCTL_UPE            0x00000008    /* unicast promiscuous enable */
#define E1000_RCTL_MPE            0x00000010    /* multicast promiscuous enab */
#define E1000_RCTL_LPE            0x00000020    /* long packet enable */
#define E1000_RCTL_LBM_NO         0x00000000    /* no loopback mode */
#define E1000_RCTL_LBM_MAC        0x00000040    /* MAC loopback mode */
#define E1000_RCTL_LBM_TCVR       0x000000C0    /* tcvr loopback mode */
#define E1000_RCTL_DTYP_PS        0x00000400    /* Packet Split descriptor */
#define E1000_RCTL_RDMTS_HALF     0x00000000    /* Rx desc min threshold size */
#define E1000_RCTL_MO_SHIFT       12            /* multicast offset shift */
#define E1000_RCTL_MO_3           0x00003000    /* multicast offset 15:4 */
#define E1000_RCTL_BAM            0x00008000    /* broadcast enable */
/* these buffer sizes are valid if E1000_RCTL_BSEX is 0 */
#define E1000_RCTL_SZ_2048        0x00000000    /* Rx buffer size 2048 */
#define E1000_RCTL_SZ_1024        0x00010000    /* Rx buffer size 1024 */
#define E1000_RCTL_SZ_512         0x00020000    /* Rx buffer size 512 */
#define E1000_RCTL_SZ_256         0x00030000    /* Rx buffer size 256 */
/* these buffer sizes are valid if E1000_RCTL_BSEX is 1 */
#define E1000_RCTL_SZ_16384       0x00010000    /* Rx buffer size 16384 */
#define E1000_RCTL_SZ_8192        0x00020000    /* Rx buffer size 8192 */
#define E1000_RCTL_SZ_4096        0x00030000    /* Rx buffer size 4096 */
#define E1000_RCTL_VFE            0x00040000    /* vlan filter enable */
#define E1000_RCTL_CFIEN          0x00080000    /* canonical form enable */
#define E1000_RCTL_CFI            0x00100000    /* canonical form indicator */
#define E1000_RCTL_DPF            0x00400000    /* Discard Pause Frames */
#define E1000_RCTL_PMCF           0x00800000    /* pass MAC control frames */
#define E1000_RCTL_BSEX           0x02000000    /* Buffer size extension */
#define E1000_RCTL_SECRC          0x04000000    /* Strip Ethernet CRC */

/* Use byte values for the following shift parameters
 * Usage:
 *     psrctl |= (((ROUNDUP(value0, 128) >> E1000_PSRCTL_BSIZE0_SHIFT) &
 *                  E1000_PSRCTL_BSIZE0_MASK) |
 *                ((ROUNDUP(value1, 1024) >> E1000_PSRCTL_BSIZE1_SHIFT) &
 *                  E1000_PSRCTL_BSIZE1_MASK) |
 *                ((ROUNDUP(value2, 1024) << E1000_PSRCTL_BSIZE2_SHIFT) &
 *                  E1000_PSRCTL_BSIZE2_MASK) |
 *                ((ROUNDUP(value3, 1024) << E1000_PSRCTL_BSIZE3_SHIFT) |;
 *                  E1000_PSRCTL_BSIZE3_MASK))
 * where value0 = [128..16256],  default=256
 *       value1 = [1024..64512], default=4096
 *       value2 = [0..64512],    default=4096
 *       value3 = [0..64512],    default=0
 */

#define E1000_PSRCTL_BSIZE0_MASK   0x0000007F
#define E1000_PSRCTL_BSIZE1_MASK   0x00003F00
#define E1000_PSRCTL_BSIZE2_MASK   0x003F0000
#define E1000_PSRCTL_BSIZE3_MASK   0x3F000000

#define E1000_PSRCTL_BSIZE0_SHIFT  7            /* Shift _right_ 7 */
#define E1000_PSRCTL_BSIZE1_SHIFT  2            /* Shift _right_ 2 */
#define E1000_PSRCTL_BSIZE2_SHIFT  6            /* Shift _left_ 6 */
#define E1000_PSRCTL_BSIZE3_SHIFT 14            /* Shift _left_ 14 */

/* SWFW_SYNC Definitions */
#define E1000_SWFW_EEP_SM   0x1
#define E1000_SWFW_PHY0_SM  0x2
#define E1000_SWFW_PHY1_SM  0x4
#define E1000_SWFW_CSR_SM   0x8

/* Device Control */
#define E1000_CTRL_FD       0x00000001  /* Full duplex.0=half; 1=full */
#define E1000_CTRL_GIO_MASTER_DISABLE 0x00000004 /*Blocks new Master requests */
#define E1000_CTRL_LRST     0x00000008  /* Link reset. 0=normal,1=reset */
#define E1000_CTRL_ASDE     0x00000020  /* Auto-speed detect enable */
#define E1000_CTRL_SLU      0x00000040  /* Set link up (Force Link) */
#define E1000_CTRL_ILOS     0x00000080  /* Invert Loss-Of Signal */
#define E1000_CTRL_SPD_SEL  0x00000300  /* Speed Select Mask */
#define E1000_CTRL_SPD_10   0x00000000  /* Force 10Mb */
#define E1000_CTRL_SPD_100  0x00000100  /* Force 100Mb */
#define E1000_CTRL_SPD_1000 0x00000200  /* Force 1Gb */
#define E1000_CTRL_FRCSPD   0x00000800  /* Force Speed */
#define E1000_CTRL_FRCDPX   0x00001000  /* Force Duplex */
#define E1000_CTRL_LANPHYPC_OVERRIDE 0x00010000 /* SW control of LANPHYPC */
#define E1000_CTRL_LANPHYPC_VALUE    0x00020000 /* SW value of LANPHYPC */
#define E1000_CTRL_MEHE     0x00080000  /* Memory Error Handling Enable */
#define E1000_CTRL_SWDPIN0  0x00040000  /* SWDPIN 0 value */
#define E1000_CTRL_SWDPIN1  0x00080000  /* SWDPIN 1 value */
#define E1000_CTRL_ADVD3WUC 0x00100000  /* D3 WUC */
#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000 /* PHY PM enable */
#define E1000_CTRL_SWDPIO0  0x00400000  /* SWDPIN 0 Input or output */
#define E1000_CTRL_RST      0x04000000  /* Global reset */
#define E1000_CTRL_RFCE     0x08000000  /* Receive Flow Control enable */
#define E1000_CTRL_TFCE     0x10000000  /* Transmit flow control enable */
#define E1000_CTRL_VME      0x40000000  /* IEEE VLAN mode enable */
#define E1000_CTRL_PHY_RST  0x80000000  /* PHY Reset */

#define E1000_PCS_LCTL_FORCE_FCTRL	0x80

#define E1000_PCS_LSTS_AN_COMPLETE	0x10000

/* Device Status */
#define E1000_STATUS_FD         0x00000001      /* Full duplex.0=half,1=full */
#define E1000_STATUS_LU         0x00000002      /* Link up.0=no,1=link */
#define E1000_STATUS_FUNC_MASK  0x0000000C      /* PCI Function Mask */
#define E1000_STATUS_FUNC_SHIFT 2
#define E1000_STATUS_FUNC_1     0x00000004      /* Function 1 */
#define E1000_STATUS_TXOFF      0x00000010      /* transmission paused */
#define E1000_STATUS_SPEED_MASK 0x000000C0
#define E1000_STATUS_SPEED_10   0x00000000      /* Speed 10Mb/s */
#define E1000_STATUS_SPEED_100  0x00000040      /* Speed 100Mb/s */
#define E1000_STATUS_SPEED_1000 0x00000080      /* Speed 1000Mb/s */
#define E1000_STATUS_LAN_INIT_DONE 0x00000200   /* Lan Init Completion by NVM */
#define E1000_STATUS_PHYRA      0x00000400      /* PHY Reset Asserted */
#define E1000_STATUS_GIO_MASTER_ENABLE	0x00080000	/* Master Req status */

#define HALF_DUPLEX 1
#define FULL_DUPLEX 2

#define ADVERTISE_10_HALF                 0x0001
#define ADVERTISE_10_FULL                 0x0002
#define ADVERTISE_100_HALF                0x0004
#define ADVERTISE_100_FULL                0x0008
#define ADVERTISE_1000_HALF               0x0010 /* Not used, just FYI */
#define ADVERTISE_1000_FULL               0x0020

/* 1000/H is not supported, nor spec-compliant. */
#define E1000_ALL_SPEED_DUPLEX	( \
	ADVERTISE_10_HALF | ADVERTISE_10_FULL | ADVERTISE_100_HALF | \
	ADVERTISE_100_FULL | ADVERTISE_1000_FULL)
#define E1000_ALL_NOT_GIG	( \
	ADVERTISE_10_HALF | ADVERTISE_10_FULL | ADVERTISE_100_HALF | \
	ADVERTISE_100_FULL)
#define E1000_ALL_100_SPEED	(ADVERTISE_100_HALF | ADVERTISE_100_FULL)
#define E1000_ALL_10_SPEED	(ADVERTISE_10_HALF | ADVERTISE_10_FULL)
#define E1000_ALL_HALF_DUPLEX	(ADVERTISE_10_HALF | ADVERTISE_100_HALF)

#define AUTONEG_ADVERTISE_SPEED_DEFAULT   E1000_ALL_SPEED_DUPLEX

/* LED Control */
#define E1000_PHY_LED0_MODE_MASK          0x00000007
#define E1000_PHY_LED0_IVRT               0x00000008
#define E1000_PHY_LED0_MASK               0x0000001F

#define E1000_LEDCTL_LED0_MODE_MASK       0x0000000F
#define E1000_LEDCTL_LED0_MODE_SHIFT      0
#define E1000_LEDCTL_LED0_IVRT            0x00000040
#define E1000_LEDCTL_LED0_BLINK           0x00000080

#define E1000_LEDCTL_MODE_LINK_UP       0x2
#define E1000_LEDCTL_MODE_LED_ON        0xE
#define E1000_LEDCTL_MODE_LED_OFF       0xF

/* Transmit Descriptor bit definitions */
#define E1000_TXD_DTYP_D     0x00100000 /* Data Descriptor */
#define E1000_TXD_POPTS_IXSM 0x01       /* Insert IP checksum */
#define E1000_TXD_POPTS_TXSM 0x02       /* Insert TCP/UDP checksum */
#define E1000_TXD_CMD_EOP    0x01000000 /* End of Packet */
#define E1000_TXD_CMD_IFCS   0x02000000 /* Insert FCS (Ethernet CRC) */
#define E1000_TXD_CMD_IC     0x04000000 /* Insert Checksum */
#define E1000_TXD_CMD_RS     0x08000000 /* Report Status */
#define E1000_TXD_CMD_RPS    0x10000000 /* Report Packet Sent */
#define E1000_TXD_CMD_DEXT   0x20000000 /* Descriptor extension (0 = legacy) */
#define E1000_TXD_CMD_VLE    0x40000000 /* Add VLAN tag */
#define E1000_TXD_CMD_IDE    0x80000000 /* Enable Tidv register */
#define E1000_TXD_STAT_DD    0x00000001 /* Descriptor Done */
#define E1000_TXD_STAT_EC    0x00000002 /* Excess Collisions */
#define E1000_TXD_STAT_LC    0x00000004 /* Late Collisions */
#define E1000_TXD_STAT_TU    0x00000008 /* Transmit underrun */
#define E1000_TXD_CMD_TCP    0x01000000 /* TCP packet */
#define E1000_TXD_CMD_IP     0x02000000 /* IP packet */
#define E1000_TXD_CMD_TSE    0x04000000 /* TCP Seg enable */
#define E1000_TXD_STAT_TC    0x00000004 /* Tx Underrun */
#define E1000_TXD_EXTCMD_TSTAMP	0x00000010 /* IEEE1588 Timestamp packet */

/* Transmit Control */
#define E1000_TCTL_EN     0x00000002    /* enable Tx */
#define E1000_TCTL_PSP    0x00000008    /* pad short packets */
#define E1000_TCTL_CT     0x00000ff0    /* collision threshold */
#define E1000_TCTL_COLD   0x003ff000    /* collision distance */
#define E1000_TCTL_RTLC   0x01000000    /* Re-transmit on late collision */
#define E1000_TCTL_MULR   0x10000000    /* Multiple request support */

/* SerDes Control */
#define E1000_SCTL_DISABLE_SERDES_LOOPBACK 0x0400
#define E1000_SCTL_ENABLE_SERDES_LOOPBACK	0x0410

/* Receive Checksum Control */
#define E1000_RXCSUM_TUOFL     0x00000200   /* TCP / UDP checksum offload */
#define E1000_RXCSUM_IPPCSE    0x00001000   /* IP payload checksum enable */
#define E1000_RXCSUM_PCSD      0x00002000   /* packet checksum disabled */

/* Header split receive */
#define E1000_RFCTL_NFSW_DIS            0x00000040
#define E1000_RFCTL_NFSR_DIS            0x00000080
#define E1000_RFCTL_ACK_DIS             0x00001000
#define E1000_RFCTL_EXTEN               0x00008000
#define E1000_RFCTL_IPV6_EX_DIS         0x00010000
#define E1000_RFCTL_NEW_IPV6_EXT_DIS    0x00020000

/* Collision related configuration parameters */
#define E1000_COLLISION_THRESHOLD       15
#define E1000_CT_SHIFT                  4
#define E1000_COLLISION_DISTANCE        63
#define E1000_COLD_SHIFT                12

/* Default values for the transmit IPG register */
#define DEFAULT_82543_TIPG_IPGT_COPPER 8

#define E1000_TIPG_IPGT_MASK  0x000003FF

#define DEFAULT_82543_TIPG_IPGR1 8
#define E1000_TIPG_IPGR1_SHIFT  10

#define DEFAULT_82543_TIPG_IPGR2 6
#define DEFAULT_80003ES2LAN_TIPG_IPGR2 7
#define E1000_TIPG_IPGR2_SHIFT  20

#define MAX_JUMBO_FRAME_SIZE    0x3F00

/* Extended Configuration Control and Size */
#define E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP      0x00000020
#define E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE       0x00000001
#define E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE       0x00000008
#define E1000_EXTCNF_CTRL_SWFLAG                 0x00000020
#define E1000_EXTCNF_CTRL_GATE_PHY_CFG           0x00000080
#define E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK   0x00FF0000
#define E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT          16
#define E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK   0x0FFF0000
#define E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT          16

#define E1000_PHY_CTRL_D0A_LPLU           0x00000002
#define E1000_PHY_CTRL_NOND0A_LPLU        0x00000004
#define E1000_PHY_CTRL_NOND0A_GBE_DISABLE 0x00000008
#define E1000_PHY_CTRL_GBE_DISABLE        0x00000040

#define E1000_KABGTXD_BGSQLBIAS           0x00050000

/* Low Power IDLE Control */
#define E1000_LPIC_LPIET_SHIFT		24	/* Low Power Idle Entry Time */

/* PBA constants */
#define E1000_PBA_8K  0x0008    /* 8KB */
#define E1000_PBA_16K 0x0010    /* 16KB */

#define E1000_PBA_RXA_MASK	0xFFFF

#define E1000_PBS_16K E1000_PBA_16K

/* Uncorrectable/correctable ECC Error counts and enable bits */
#define E1000_PBECCSTS_CORR_ERR_CNT_MASK	0x000000FF
#define E1000_PBECCSTS_UNCORR_ERR_CNT_MASK	0x0000FF00
#define E1000_PBECCSTS_UNCORR_ERR_CNT_SHIFT	8
#define E1000_PBECCSTS_ECC_ENABLE		0x00010000

#define IFS_MAX       80
#define IFS_MIN       40
#define IFS_RATIO     4
#define IFS_STEP      10
#define MIN_NUM_XMITS 1000

/* SW Semaphore Register */
#define E1000_SWSM_SMBI         0x00000001 /* Driver Semaphore bit */
#define E1000_SWSM_SWESMBI      0x00000002 /* FW Semaphore bit */
#define E1000_SWSM_DRV_LOAD     0x00000008 /* Driver Loaded Bit */

#define E1000_SWSM2_LOCK        0x00000002 /* Secondary driver semaphore bit */

/* Interrupt Cause Read */
#define E1000_ICR_TXDW          0x00000001 /* Transmit desc written back */
#define E1000_ICR_LSC           0x00000004 /* Link Status Change */
#define E1000_ICR_RXSEQ         0x00000008 /* Rx sequence error */
#define E1000_ICR_RXDMT0        0x00000010 /* Rx desc min. threshold (0) */
#define E1000_ICR_RXT0          0x00000080 /* Rx timer intr (ring 0) */
#define E1000_ICR_ECCER         0x00400000 /* Uncorrectable ECC Error */
/* If this bit asserted, the driver should claim the interrupt */
#define E1000_ICR_INT_ASSERTED	0x80000000
#define E1000_ICR_RXQ0          0x00100000 /* Rx Queue 0 Interrupt */
#define E1000_ICR_RXQ1          0x00200000 /* Rx Queue 1 Interrupt */
#define E1000_ICR_TXQ0          0x00400000 /* Tx Queue 0 Interrupt */
#define E1000_ICR_TXQ1          0x00800000 /* Tx Queue 1 Interrupt */
#define E1000_ICR_OTHER         0x01000000 /* Other Interrupts */

/* PBA ECC Register */
#define E1000_PBA_ECC_COUNTER_MASK  0xFFF00000 /* ECC counter mask */
#define E1000_PBA_ECC_COUNTER_SHIFT 20         /* ECC counter shift value */
#define E1000_PBA_ECC_CORR_EN       0x00000001 /* ECC correction enable */
#define E1000_PBA_ECC_STAT_CLR      0x00000002 /* Clear ECC error counter */
#define E1000_PBA_ECC_INT_EN        0x00000004 /* Enable ICR bit 5 for ECC */

/* This defines the bits that are set in the Interrupt Mask
 * Set/Read Register.  Each bit is documented below:
 *   o RXT0   = Receiver Timer Interrupt (ring 0)
 *   o TXDW   = Transmit Descriptor Written Back
 *   o RXDMT0 = Receive Descriptor Minimum Threshold hit (ring 0)
 *   o RXSEQ  = Receive Sequence Error
 *   o LSC    = Link Status Change
 */
#define IMS_ENABLE_MASK ( \
	E1000_IMS_RXT0   |    \
	E1000_IMS_TXDW   |    \
	E1000_IMS_RXDMT0 |    \
	E1000_IMS_RXSEQ  |    \
	E1000_IMS_LSC)

/* Interrupt Mask Set */
#define E1000_IMS_TXDW      E1000_ICR_TXDW      /* Transmit desc written back */
#define E1000_IMS_LSC       E1000_ICR_LSC       /* Link Status Change */
#define E1000_IMS_RXSEQ     E1000_ICR_RXSEQ     /* Rx sequence error */
#define E1000_IMS_RXDMT0    E1000_ICR_RXDMT0    /* Rx desc min. threshold */
#define E1000_IMS_RXT0      E1000_ICR_RXT0      /* Rx timer intr */
#define E1000_IMS_ECCER     E1000_ICR_ECCER     /* Uncorrectable ECC Error */
#define E1000_IMS_RXQ0      E1000_ICR_RXQ0      /* Rx Queue 0 Interrupt */
#define E1000_IMS_RXQ1      E1000_ICR_RXQ1      /* Rx Queue 1 Interrupt */
#define E1000_IMS_TXQ0      E1000_ICR_TXQ0      /* Tx Queue 0 Interrupt */
#define E1000_IMS_TXQ1      E1000_ICR_TXQ1      /* Tx Queue 1 Interrupt */
#define E1000_IMS_OTHER     E1000_ICR_OTHER     /* Other Interrupts */

/* Interrupt Cause Set */
#define E1000_ICS_LSC       E1000_ICR_LSC       /* Link Status Change */
#define E1000_ICS_RXSEQ     E1000_ICR_RXSEQ     /* Rx sequence error */
#define E1000_ICS_RXDMT0    E1000_ICR_RXDMT0    /* Rx desc min. threshold */

/* Transmit Descriptor Control */
#define E1000_TXDCTL_PTHRESH 0x0000003F /* TXDCTL Prefetch Threshold */
#define E1000_TXDCTL_HTHRESH 0x00003F00 /* TXDCTL Host Threshold */
#define E1000_TXDCTL_WTHRESH 0x003F0000 /* TXDCTL Writeback Threshold */
#define E1000_TXDCTL_GRAN    0x01000000 /* TXDCTL Granularity */
#define E1000_TXDCTL_FULL_TX_DESC_WB 0x01010000 /* GRAN=1, WTHRESH=1 */
#define E1000_TXDCTL_MAX_TX_DESC_PREFETCH 0x0100001F /* GRAN=1, PTHRESH=31 */
/* Enable the counting of desc. still to be processed. */
#define E1000_TXDCTL_COUNT_DESC 0x00400000

/* Flow Control Constants */
#define FLOW_CONTROL_ADDRESS_LOW  0x00C28001
#define FLOW_CONTROL_ADDRESS_HIGH 0x00000100
#define FLOW_CONTROL_TYPE         0x8808

/* 802.1q VLAN Packet Size */
#define E1000_VLAN_FILTER_TBL_SIZE 128  /* VLAN Filter Table (4096 bits) */

/* Receive Address
 * Number of high/low register pairs in the RAR. The RAR (Receive Address
 * Registers) holds the directed and multicast addresses that we monitor.
 * Technically, we have 16 spots.  However, we reserve one of these spots
 * (RAR[15]) for our directed address used by controllers with
 * manageability enabled, allowing us room for 15 multicast addresses.
 */
#define E1000_RAR_ENTRIES     15
#define E1000_RAH_AV  0x80000000        /* Receive descriptor valid */
#define E1000_RAL_MAC_ADDR_LEN 4
#define E1000_RAH_MAC_ADDR_LEN 2

/* Error Codes */
#define E1000_ERR_NVM      1
#define E1000_ERR_PHY      2
#define E1000_ERR_CONFIG   3
#define E1000_ERR_PARAM    4
#define E1000_ERR_MAC_INIT 5
#define E1000_ERR_PHY_TYPE 6
#define E1000_ERR_RESET   9
#define E1000_ERR_MASTER_REQUESTS_PENDING 10
#define E1000_ERR_HOST_INTERFACE_COMMAND 11
#define E1000_BLK_PHY_RESET   12
#define E1000_ERR_SWFW_SYNC 13
#define E1000_NOT_IMPLEMENTED 14
#define E1000_ERR_INVALID_ARGUMENT  16
#define E1000_ERR_NO_SPACE          17
#define E1000_ERR_NVM_PBA_SECTION   18

/* Loop limit on how long we wait for auto-negotiation to complete */
#define FIBER_LINK_UP_LIMIT               50
#define COPPER_LINK_UP_LIMIT              10
#define PHY_AUTO_NEG_LIMIT                45
#define PHY_FORCE_LIMIT                   20
/* Number of 100 microseconds we wait for PCI Express master disable */
#define MASTER_DISABLE_TIMEOUT      800
/* Number of milliseconds we wait for PHY configuration done after MAC reset */
#define PHY_CFG_TIMEOUT             100
/* Number of 2 milliseconds we wait for acquiring MDIO ownership. */
#define MDIO_OWNERSHIP_TIMEOUT      10
/* Number of milliseconds for NVM auto read done after MAC reset. */
#define AUTO_READ_DONE_TIMEOUT      10

/* Flow Control */
#define E1000_FCRTH_RTH  0x0000FFF8     /* Mask Bits[15:3] for RTH */
#define E1000_FCRTL_RTL  0x0000FFF8     /* Mask Bits[15:3] for RTL */
#define E1000_FCRTL_XONE 0x80000000     /* Enable XON frame transmission */

/* Transmit Configuration Word */
#define E1000_TXCW_FD         0x00000020        /* TXCW full duplex */
#define E1000_TXCW_PAUSE      0x00000080        /* TXCW sym pause request */
#define E1000_TXCW_ASM_DIR    0x00000100        /* TXCW astm pause direction */
#define E1000_TXCW_PAUSE_MASK 0x00000180        /* TXCW pause request mask */
#define E1000_TXCW_ANE        0x80000000        /* Auto-neg enable */

/* Receive Configuration Word */
#define E1000_RXCW_CW         0x0000ffff        /* RxConfigWord mask */
#define E1000_RXCW_IV         0x08000000        /* Receive config invalid */
#define E1000_RXCW_C          0x20000000        /* Receive config */
#define E1000_RXCW_SYNCH      0x40000000        /* Receive config synch */

#define E1000_TSYNCTXCTL_VALID		0x00000001 /* Tx timestamp valid */
#define E1000_TSYNCTXCTL_ENABLED	0x00000010 /* enable Tx timestamping */

#define E1000_TSYNCRXCTL_VALID		0x00000001 /* Rx timestamp valid */
#define E1000_TSYNCRXCTL_TYPE_MASK	0x0000000E /* Rx type mask */
#define E1000_TSYNCRXCTL_TYPE_L2_V2	0x00
#define E1000_TSYNCRXCTL_TYPE_L4_V1	0x02
#define E1000_TSYNCRXCTL_TYPE_L2_L4_V2	0x04
#define E1000_TSYNCRXCTL_TYPE_ALL	0x08
#define E1000_TSYNCRXCTL_TYPE_EVENT_V2	0x0A
#define E1000_TSYNCRXCTL_ENABLED	0x00000010 /* enable Rx timestamping */
#define E1000_TSYNCRXCTL_SYSCFI		0x00000020 /* Sys clock frequency */

#define E1000_RXMTRL_PTP_V1_SYNC_MESSAGE	0x00000000
#define E1000_RXMTRL_PTP_V1_DELAY_REQ_MESSAGE	0x00010000

#define E1000_RXMTRL_PTP_V2_SYNC_MESSAGE	0x00000000
#define E1000_RXMTRL_PTP_V2_DELAY_REQ_MESSAGE	0x01000000

#define E1000_TIMINCA_INCPERIOD_SHIFT	24
#define E1000_TIMINCA_INCVALUE_MASK	0x00FFFFFF

/* PCI Express Control */
#define E1000_GCR_RXD_NO_SNOOP          0x00000001
#define E1000_GCR_RXDSCW_NO_SNOOP       0x00000002
#define E1000_GCR_RXDSCR_NO_SNOOP       0x00000004
#define E1000_GCR_TXD_NO_SNOOP          0x00000008
#define E1000_GCR_TXDSCW_NO_SNOOP       0x00000010
#define E1000_GCR_TXDSCR_NO_SNOOP       0x00000020

#define PCIE_NO_SNOOP_ALL (E1000_GCR_RXD_NO_SNOOP         | \
			   E1000_GCR_RXDSCW_NO_SNOOP      | \
			   E1000_GCR_RXDSCR_NO_SNOOP      | \
			   E1000_GCR_TXD_NO_SNOOP         | \
			   E1000_GCR_TXDSCW_NO_SNOOP      | \
			   E1000_GCR_TXDSCR_NO_SNOOP)

/* NVM Control */
#define E1000_EECD_SK        0x00000001 /* NVM Clock */
#define E1000_EECD_CS        0x00000002 /* NVM Chip Select */
#define E1000_EECD_DI        0x00000004 /* NVM Data In */
#define E1000_EECD_DO        0x00000008 /* NVM Data Out */
#define E1000_EECD_REQ       0x00000040 /* NVM Access Request */
#define E1000_EECD_GNT       0x00000080 /* NVM Access Grant */
#define E1000_EECD_PRES      0x00000100 /* NVM Present */
#define E1000_EECD_SIZE      0x00000200 /* NVM Size (0=64 word 1=256 word) */
/* NVM Addressing bits based on type (0-small, 1-large) */
#define E1000_EECD_ADDR_BITS 0x00000400
#define E1000_NVM_GRANT_ATTEMPTS   1000 /* NVM # attempts to gain grant */
#define E1000_EECD_AUTO_RD          0x00000200  /* NVM Auto Read done */
#define E1000_EECD_SIZE_EX_MASK     0x00007800  /* NVM Size */
#define E1000_EECD_SIZE_EX_SHIFT     11
#define E1000_EECD_FLUPD     0x00080000 /* Update FLASH */
#define E1000_EECD_AUPDEN    0x00100000 /* Enable Autonomous FLASH update */
#define E1000_EECD_SEC1VAL   0x00400000 /* Sector One Valid */
#define E1000_EECD_SEC1VAL_VALID_MASK (E1000_EECD_AUTO_RD | E1000_EECD_PRES)

#define E1000_NVM_RW_REG_DATA	16	/* Offset to data in NVM r/w regs */
#define E1000_NVM_RW_REG_DONE	2	/* Offset to READ/WRITE done bit */
#define E1000_NVM_RW_REG_START	1	/* Start operation */
#define E1000_NVM_RW_ADDR_SHIFT	2	/* Shift to the address bits */
#define E1000_NVM_POLL_WRITE	1	/* Flag for polling write complete */
#define E1000_NVM_POLL_READ	0	/* Flag for polling read complete */
#define E1000_FLASH_UPDATES	2000

/* NVM Word Offsets */
#define NVM_COMPAT                 0x0003
#define NVM_ID_LED_SETTINGS        0x0004
#define NVM_FUTURE_INIT_WORD1      0x0019
#define NVM_COMPAT_VALID_CSUM      0x0001
#define NVM_FUTURE_INIT_WORD1_VALID_CSUM	0x0040

#define NVM_INIT_CONTROL2_REG      0x000F
#define NVM_INIT_CONTROL3_PORT_B   0x0014
#define NVM_INIT_3GIO_3            0x001A
#define NVM_INIT_CONTROL3_PORT_A   0x0024
#define NVM_CFG                    0x0012
#define NVM_ALT_MAC_ADDR_PTR       0x0037
#define NVM_CHECKSUM_REG           0x003F

#define E1000_NVM_CFG_DONE_PORT_0  0x40000 /* MNG config cycle done */
#define E1000_NVM_CFG_DONE_PORT_1  0x80000 /* ...for second port */

/* Mask bits for fields in Word 0x0f of the NVM */
#define NVM_WORD0F_PAUSE_MASK       0x3000
#define NVM_WORD0F_PAUSE            0x1000
#define NVM_WORD0F_ASM_DIR          0x2000

/* Mask bits for fields in Word 0x1a of the NVM */
#define NVM_WORD1A_ASPM_MASK  0x000C

/* Mask bits for fields in Word 0x03 of the EEPROM */
#define NVM_COMPAT_LOM    0x0800

/* length of string needed to store PBA number */
#define E1000_PBANUM_LENGTH             11

/* For checksumming, the sum of all words in the NVM should equal 0xBABA. */
#define NVM_SUM                    0xBABA

/* PBA (printed board assembly) number words */
#define NVM_PBA_OFFSET_0           8
#define NVM_PBA_OFFSET_1           9
#define NVM_PBA_PTR_GUARD          0xFAFA
#define NVM_WORD_SIZE_BASE_SHIFT   6

/* NVM Commands - SPI */
#define NVM_MAX_RETRY_SPI          5000 /* Max wait of 5ms, for RDY signal */
#define NVM_READ_OPCODE_SPI        0x03 /* NVM read opcode */
#define NVM_WRITE_OPCODE_SPI       0x02 /* NVM write opcode */
#define NVM_A8_OPCODE_SPI          0x08 /* opcode bit-3 = address bit-8 */
#define NVM_WREN_OPCODE_SPI        0x06 /* NVM set Write Enable latch */
#define NVM_RDSR_OPCODE_SPI        0x05 /* NVM read Status register */

/* SPI NVM Status Register */
#define NVM_STATUS_RDY_SPI         0x01

/* Word definitions for ID LED Settings */
#define ID_LED_RESERVED_0000 0x0000
#define ID_LED_RESERVED_FFFF 0xFFFF
#define ID_LED_DEFAULT       ((ID_LED_OFF1_ON2  << 12) | \
			      (ID_LED_OFF1_OFF2 <<  8) | \
			      (ID_LED_DEF1_DEF2 <<  4) | \
			      (ID_LED_DEF1_DEF2))
#define ID_LED_DEF1_DEF2     0x1
#define ID_LED_DEF1_ON2      0x2
#define ID_LED_DEF1_OFF2     0x3
#define ID_LED_ON1_DEF2      0x4
#define ID_LED_ON1_ON2       0x5
#define ID_LED_ON1_OFF2      0x6
#define ID_LED_OFF1_DEF2     0x7
#define ID_LED_OFF1_ON2      0x8
#define ID_LED_OFF1_OFF2     0x9

#define IGP_ACTIVITY_LED_MASK   0xFFFFF0FF
#define IGP_ACTIVITY_LED_ENABLE 0x0300
#define IGP_LED3_MODE           0x07000000

/* PCI/PCI-X/PCI-EX Config space */
#define PCI_HEADER_TYPE_REGISTER     0x0E
#define PCIE_LINK_STATUS             0x12

#define PCI_HEADER_TYPE_MULTIFUNC    0x80
#define PCIE_LINK_WIDTH_MASK         0x3F0
#define PCIE_LINK_WIDTH_SHIFT        4

#define PHY_REVISION_MASK      0xFFFFFFF0
#define MAX_PHY_REG_ADDRESS    0x1F  /* 5 bit address bus (0-0x1F) */
#define MAX_PHY_MULTI_PAGE_REG 0xF

/* Bit definitions for valid PHY IDs.
 * I = Integrated
 * E = External
 */
#define M88E1000_E_PHY_ID    0x01410C50
#define M88E1000_I_PHY_ID    0x01410C30
#define M88E1011_I_PHY_ID    0x01410C20
#define IGP01E1000_I_PHY_ID  0x02A80380
#define M88E1111_I_PHY_ID    0x01410CC0
#define GG82563_E_PHY_ID     0x01410CA0
#define IGP03E1000_E_PHY_ID  0x02A80390
#define IFE_E_PHY_ID         0x02A80330
#define IFE_PLUS_E_PHY_ID    0x02A80320
#define IFE_C_E_PHY_ID       0x02A80310
#define BME1000_E_PHY_ID     0x01410CB0
#define BME1000_E_PHY_ID_R2  0x01410CB1
#define I82577_E_PHY_ID      0x01540050
#define I82578_E_PHY_ID      0x004DD040
#define I82579_E_PHY_ID      0x01540090
#define I217_E_PHY_ID        0x015400A0

/* M88E1000 Specific Registers */
#define M88E1000_PHY_SPEC_CTRL     0x10  /* PHY Specific Control Register */
#define M88E1000_PHY_SPEC_STATUS   0x11  /* PHY Specific Status Register */
#define M88E1000_EXT_PHY_SPEC_CTRL 0x14  /* Extended PHY Specific Control */

#define M88E1000_PHY_PAGE_SELECT   0x1D  /* Reg 29 for page number setting */
#define M88E1000_PHY_GEN_CONTROL   0x1E  /* Its meaning depends on reg 29 */

/* M88E1000 PHY Specific Control Register */
#define M88E1000_PSCR_POLARITY_REVERSAL 0x0002 /* 1=Polarity Reversal enabled */
#define M88E1000_PSCR_MDI_MANUAL_MODE  0x0000  /* MDI Crossover Mode bits 6:5 */
					       /* Manual MDI configuration */
#define M88E1000_PSCR_MDIX_MANUAL_MODE 0x0020  /* Manual MDIX configuration */
/* 1000BASE-T: Auto crossover, 100BASE-TX/10BASE-T: MDI Mode */
#define M88E1000_PSCR_AUTO_X_1000T     0x0040
/* Auto crossover enabled all speeds */
#define M88E1000_PSCR_AUTO_X_MODE      0x0060
#define M88E1000_PSCR_ASSERT_CRS_ON_TX 0x0800 /* 1=Assert CRS on Transmit */

/* M88E1000 PHY Specific Status Register */
#define M88E1000_PSSR_REV_POLARITY       0x0002 /* 1=Polarity reversed */
#define M88E1000_PSSR_DOWNSHIFT          0x0020 /* 1=Downshifted */
#define M88E1000_PSSR_MDIX               0x0040 /* 1=MDIX; 0=MDI */
/* 0=<50M; 1=50-80M; 2=80-110M; 3=110-140M; 4=>140M */
#define M88E1000_PSSR_CABLE_LENGTH       0x0380
#define M88E1000_PSSR_SPEED              0xC000 /* Speed, bits 14:15 */
#define M88E1000_PSSR_1000MBS            0x8000 /* 10=1000Mbs */

#define M88E1000_PSSR_CABLE_LENGTH_SHIFT 7

/* Number of times we will attempt to autonegotiate before downshifting if we
 * are the master
 */
#define M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK 0x0C00
#define M88E1000_EPSCR_MASTER_DOWNSHIFT_1X   0x0000
/* Number of times we will attempt to autonegotiate before downshifting if we
 * are the slave
 */
#define M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK  0x0300
#define M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X    0x0100
#define M88E1000_EPSCR_TX_CLK_25      0x0070 /* 25  MHz TX_CLK */

/* M88EC018 Rev 2 specific DownShift settings */
#define M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK  0x0E00
#define M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X    0x0800

#define I82578_EPSCR_DOWNSHIFT_ENABLE          0x0020
#define I82578_EPSCR_DOWNSHIFT_COUNTER_MASK    0x001C

/* BME1000 PHY Specific Control Register */
#define BME1000_PSCR_ENABLE_DOWNSHIFT   0x0800 /* 1 = enable downshift */

/* Bits...
 * 15-5: page
 * 4-0: register offset
 */
#define GG82563_PAGE_SHIFT        5
#define GG82563_REG(page, reg)    \
	(((page) << GG82563_PAGE_SHIFT) | ((reg) & MAX_PHY_REG_ADDRESS))
#define GG82563_MIN_ALT_REG       30

/* GG82563 Specific Registers */
#define GG82563_PHY_SPEC_CTRL           \
	GG82563_REG(0, 16) /* PHY Specific Control */
#define GG82563_PHY_PAGE_SELECT         \
	GG82563_REG(0, 22) /* Page Select */
#define GG82563_PHY_SPEC_CTRL_2         \
	GG82563_REG(0, 26) /* PHY Specific Control 2 */
#define GG82563_PHY_PAGE_SELECT_ALT     \
	GG82563_REG(0, 29) /* Alternate Page Select */

#define GG82563_PHY_MAC_SPEC_CTRL       \
	GG82563_REG(2, 21) /* MAC Specific Control Register */

#define GG82563_PHY_DSP_DISTANCE    \
	GG82563_REG(5, 26) /* DSP Distance */

/* Page 193 - Port Control Registers */
#define GG82563_PHY_KMRN_MODE_CTRL   \
	GG82563_REG(193, 16) /* Kumeran Mode Control */
#define GG82563_PHY_PWR_MGMT_CTRL       \
	GG82563_REG(193, 20) /* Power Management Control */

/* Page 194 - KMRN Registers */
#define GG82563_PHY_INBAND_CTRL         \
	GG82563_REG(194, 18) /* Inband Control */

/* MDI Control */
#define E1000_MDIC_REG_MASK	0x001F0000
#define E1000_MDIC_REG_SHIFT 16
#define E1000_MDIC_PHY_SHIFT 21
#define E1000_MDIC_OP_WRITE  0x04000000
#define E1000_MDIC_OP_READ   0x08000000
#define E1000_MDIC_READY     0x10000000
#define E1000_MDIC_ERROR     0x40000000

/* SerDes Control */
#define E1000_GEN_POLL_TIMEOUT          640

#endif /* _E1000_DEFINES_H_ */