|  | /* | 
|  | * Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved. | 
|  | * | 
|  | * Author: Shlomi Gridish <gridish@freescale.com> | 
|  | * | 
|  | * Description: | 
|  | * UCC GETH Driver -- PHY handling | 
|  | * | 
|  | * Changelog: | 
|  | * Jun 28, 2006 Li Yang <LeoLi@freescale.com> | 
|  | * - Rearrange code and style fixes | 
|  | * | 
|  | * 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;  either version 2 of the  License, or (at your | 
|  | * option) any later version. | 
|  | * | 
|  | */ | 
|  | #ifndef __UCC_GETH_PHY_H__ | 
|  | #define __UCC_GETH_PHY_H__ | 
|  |  | 
|  | #define MII_end ((u32)-2) | 
|  | #define MII_read ((u32)-1) | 
|  |  | 
|  | #define MIIMIND_BUSY            0x00000001 | 
|  | #define MIIMIND_NOTVALID        0x00000004 | 
|  |  | 
|  | #define UGETH_AN_TIMEOUT        2000 | 
|  |  | 
|  | /* 1000BT control (Marvell & BCM54xx at least) */ | 
|  | #define MII_1000BASETCONTROL                  0x09 | 
|  | #define MII_1000BASETCONTROL_FULLDUPLEXCAP    0x0200 | 
|  | #define MII_1000BASETCONTROL_HALFDUPLEXCAP    0x0100 | 
|  |  | 
|  | /* Cicada Extended Control Register 1 */ | 
|  | #define MII_CIS8201_EXT_CON1        0x17 | 
|  | #define MII_CIS8201_EXTCON1_INIT    0x0000 | 
|  |  | 
|  | /* Cicada Interrupt Mask Register */ | 
|  | #define MII_CIS8201_IMASK           0x19 | 
|  | #define MII_CIS8201_IMASK_IEN       0x8000 | 
|  | #define MII_CIS8201_IMASK_SPEED     0x4000 | 
|  | #define MII_CIS8201_IMASK_LINK      0x2000 | 
|  | #define MII_CIS8201_IMASK_DUPLEX    0x1000 | 
|  | #define MII_CIS8201_IMASK_MASK      0xf000 | 
|  |  | 
|  | /* Cicada Interrupt Status Register */ | 
|  | #define MII_CIS8201_ISTAT           0x1a | 
|  | #define MII_CIS8201_ISTAT_STATUS    0x8000 | 
|  | #define MII_CIS8201_ISTAT_SPEED     0x4000 | 
|  | #define MII_CIS8201_ISTAT_LINK      0x2000 | 
|  | #define MII_CIS8201_ISTAT_DUPLEX    0x1000 | 
|  |  | 
|  | /* Cicada Auxiliary Control/Status Register */ | 
|  | #define MII_CIS8201_AUX_CONSTAT        0x1c | 
|  | #define MII_CIS8201_AUXCONSTAT_INIT    0x0004 | 
|  | #define MII_CIS8201_AUXCONSTAT_DUPLEX  0x0020 | 
|  | #define MII_CIS8201_AUXCONSTAT_SPEED   0x0018 | 
|  | #define MII_CIS8201_AUXCONSTAT_GBIT    0x0010 | 
|  | #define MII_CIS8201_AUXCONSTAT_100     0x0008 | 
|  |  | 
|  | /* 88E1011 PHY Status Register */ | 
|  | #define MII_M1011_PHY_SPEC_STATUS               0x11 | 
|  | #define MII_M1011_PHY_SPEC_STATUS_1000          0x8000 | 
|  | #define MII_M1011_PHY_SPEC_STATUS_100           0x4000 | 
|  | #define MII_M1011_PHY_SPEC_STATUS_SPD_MASK      0xc000 | 
|  | #define MII_M1011_PHY_SPEC_STATUS_FULLDUPLEX    0x2000 | 
|  | #define MII_M1011_PHY_SPEC_STATUS_RESOLVED      0x0800 | 
|  | #define MII_M1011_PHY_SPEC_STATUS_LINK          0x0400 | 
|  |  | 
|  | #define MII_M1011_IEVENT                0x13 | 
|  | #define MII_M1011_IEVENT_CLEAR          0x0000 | 
|  |  | 
|  | #define MII_M1011_IMASK                 0x12 | 
|  | #define MII_M1011_IMASK_INIT            0x6400 | 
|  | #define MII_M1011_IMASK_CLEAR           0x0000 | 
|  |  | 
|  | #define MII_DM9161_SCR                  0x10 | 
|  | #define MII_DM9161_SCR_INIT             0x0610 | 
|  |  | 
|  | /* DM9161 Specified Configuration and Status Register */ | 
|  | #define MII_DM9161_SCSR                 0x11 | 
|  | #define MII_DM9161_SCSR_100F            0x8000 | 
|  | #define MII_DM9161_SCSR_100H            0x4000 | 
|  | #define MII_DM9161_SCSR_10F             0x2000 | 
|  | #define MII_DM9161_SCSR_10H             0x1000 | 
|  |  | 
|  | /* DM9161 Interrupt Register */ | 
|  | #define MII_DM9161_INTR                 0x15 | 
|  | #define MII_DM9161_INTR_PEND            0x8000 | 
|  | #define MII_DM9161_INTR_DPLX_MASK       0x0800 | 
|  | #define MII_DM9161_INTR_SPD_MASK        0x0400 | 
|  | #define MII_DM9161_INTR_LINK_MASK       0x0200 | 
|  | #define MII_DM9161_INTR_MASK            0x0100 | 
|  | #define MII_DM9161_INTR_DPLX_CHANGE     0x0010 | 
|  | #define MII_DM9161_INTR_SPD_CHANGE      0x0008 | 
|  | #define MII_DM9161_INTR_LINK_CHANGE     0x0004 | 
|  | #define MII_DM9161_INTR_INIT            0x0000 | 
|  | #define MII_DM9161_INTR_STOP    \ | 
|  | (MII_DM9161_INTR_DPLX_MASK | MII_DM9161_INTR_SPD_MASK \ | 
|  | | MII_DM9161_INTR_LINK_MASK | MII_DM9161_INTR_MASK) | 
|  |  | 
|  | /* DM9161 10BT Configuration/Status */ | 
|  | #define MII_DM9161_10BTCSR              0x12 | 
|  | #define MII_DM9161_10BTCSR_INIT         0x7800 | 
|  |  | 
|  | #define MII_BASIC_FEATURES    (SUPPORTED_10baseT_Half | \ | 
|  | SUPPORTED_10baseT_Full | \ | 
|  | SUPPORTED_100baseT_Half | \ | 
|  | SUPPORTED_100baseT_Full | \ | 
|  | SUPPORTED_Autoneg | \ | 
|  | SUPPORTED_TP | \ | 
|  | SUPPORTED_MII) | 
|  |  | 
|  | #define MII_GBIT_FEATURES    (MII_BASIC_FEATURES | \ | 
|  | SUPPORTED_1000baseT_Half | \ | 
|  | SUPPORTED_1000baseT_Full) | 
|  |  | 
|  | #define MII_READ_COMMAND                0x00000001 | 
|  |  | 
|  | #define MII_INTERRUPT_DISABLED          0x0 | 
|  | #define MII_INTERRUPT_ENABLED           0x1 | 
|  | /* Taken from mii_if_info and sungem_phy.h */ | 
|  | struct ugeth_mii_info { | 
|  | /* Information about the PHY type */ | 
|  | /* And management functions */ | 
|  | struct phy_info *phyinfo; | 
|  |  | 
|  | ucc_mii_mng_t *mii_regs; | 
|  |  | 
|  | /* forced speed & duplex (no autoneg) | 
|  | * partner speed & duplex & pause (autoneg) | 
|  | */ | 
|  | int speed; | 
|  | int duplex; | 
|  | int pause; | 
|  |  | 
|  | /* The most recently read link state */ | 
|  | int link; | 
|  |  | 
|  | /* Enabled Interrupts */ | 
|  | u32 interrupts; | 
|  |  | 
|  | u32 advertising; | 
|  | int autoneg; | 
|  | int mii_id; | 
|  |  | 
|  | /* private data pointer */ | 
|  | /* For use by PHYs to maintain extra state */ | 
|  | void *priv; | 
|  |  | 
|  | /* Provided by host chip */ | 
|  | struct net_device *dev; | 
|  |  | 
|  | /* A lock to ensure that only one thing can read/write | 
|  | * the MDIO bus at a time */ | 
|  | spinlock_t mdio_lock; | 
|  |  | 
|  | /* Provided by ethernet driver */ | 
|  | int (*mdio_read) (struct net_device * dev, int mii_id, int reg); | 
|  | void (*mdio_write) (struct net_device * dev, int mii_id, int reg, | 
|  | int val); | 
|  | }; | 
|  |  | 
|  | /* struct phy_info: a structure which defines attributes for a PHY | 
|  | * | 
|  | * id will contain a number which represents the PHY.  During | 
|  | * startup, the driver will poll the PHY to find out what its | 
|  | * UID--as defined by registers 2 and 3--is.  The 32-bit result | 
|  | * gotten from the PHY will be ANDed with phy_id_mask to | 
|  | * discard any bits which may change based on revision numbers | 
|  | * unimportant to functionality | 
|  | * | 
|  | * There are 6 commands which take a ugeth_mii_info structure. | 
|  | * Each PHY must declare config_aneg, and read_status. | 
|  | */ | 
|  | struct phy_info { | 
|  | u32 phy_id; | 
|  | char *name; | 
|  | unsigned int phy_id_mask; | 
|  | u32 features; | 
|  |  | 
|  | /* Called to initialize the PHY */ | 
|  | int (*init) (struct ugeth_mii_info * mii_info); | 
|  |  | 
|  | /* Called to suspend the PHY for power */ | 
|  | int (*suspend) (struct ugeth_mii_info * mii_info); | 
|  |  | 
|  | /* Reconfigures autonegotiation (or disables it) */ | 
|  | int (*config_aneg) (struct ugeth_mii_info * mii_info); | 
|  |  | 
|  | /* Determines the negotiated speed and duplex */ | 
|  | int (*read_status) (struct ugeth_mii_info * mii_info); | 
|  |  | 
|  | /* Clears any pending interrupts */ | 
|  | int (*ack_interrupt) (struct ugeth_mii_info * mii_info); | 
|  |  | 
|  | /* Enables or disables interrupts */ | 
|  | int (*config_intr) (struct ugeth_mii_info * mii_info); | 
|  |  | 
|  | /* Clears up any memory if needed */ | 
|  | void (*close) (struct ugeth_mii_info * mii_info); | 
|  | }; | 
|  |  | 
|  | struct phy_info *get_phy_info(struct ugeth_mii_info *mii_info); | 
|  | void write_phy_reg(struct net_device *dev, int mii_id, int regnum, int value); | 
|  | int read_phy_reg(struct net_device *dev, int mii_id, int regnum); | 
|  | void mii_clear_phy_interrupt(struct ugeth_mii_info *mii_info); | 
|  | void mii_configure_phy_interrupt(struct ugeth_mii_info *mii_info, | 
|  | u32 interrupts); | 
|  |  | 
|  | struct dm9161_private { | 
|  | struct timer_list timer; | 
|  | int resetdone; | 
|  | }; | 
|  |  | 
|  | #endif				/* __UCC_GETH_PHY_H__ */ |