| /*  | 
 |  * drivers/net/gianfar_phy.h | 
 |  * | 
 |  * Gianfar Ethernet Driver -- PHY handling | 
 |  * Driver for FEC on MPC8540 and TSEC on MPC8540/MPC8560 | 
 |  * Based on 8260_io/fcc_enet.c | 
 |  * | 
 |  * Author: Andy Fleming | 
 |  * Maintainer: Kumar Gala (kumar.gala@freescale.com) | 
 |  * | 
 |  * Copyright (c) 2002-2004 Freescale Semiconductor, Inc. | 
 |  * | 
 |  * 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 __GIANFAR_PHY_H | 
 | #define __GIANFAR_PHY_H | 
 |  | 
 | #define MII_end ((u32)-2) | 
 | #define MII_read ((u32)-1) | 
 |  | 
 | #define MIIMIND_BUSY            0x00000001 | 
 | #define MIIMIND_NOTVALID        0x00000004 | 
 |  | 
 | #define GFAR_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 gfar_mii_info { | 
 | 	/* Information about the PHY type */ | 
 | 	/* And management functions */ | 
 | 	struct phy_info *phyinfo; | 
 |  | 
 | 	/* 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 gfar_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 gfar_mii_info *mii_info); | 
 |  | 
 | 	/* Called to suspend the PHY for power */ | 
 | 	int (*suspend)(struct gfar_mii_info *mii_info); | 
 |  | 
 | 	/* Reconfigures autonegotiation (or disables it) */ | 
 | 	int (*config_aneg)(struct gfar_mii_info *mii_info); | 
 |  | 
 | 	/* Determines the negotiated speed and duplex */ | 
 | 	int (*read_status)(struct gfar_mii_info *mii_info); | 
 |  | 
 | 	/* Clears any pending interrupts */ | 
 | 	int (*ack_interrupt)(struct gfar_mii_info *mii_info); | 
 |  | 
 | 	/* Enables or disables interrupts */ | 
 | 	int (*config_intr)(struct gfar_mii_info *mii_info); | 
 |  | 
 | 	/* Clears up any memory if needed */ | 
 | 	void (*close)(struct gfar_mii_info *mii_info); | 
 | }; | 
 |  | 
 | struct phy_info *get_phy_info(struct gfar_mii_info *mii_info); | 
 | int read_phy_reg(struct net_device *dev, int mii_id, int regnum); | 
 | void write_phy_reg(struct net_device *dev, int mii_id, int regnum, int value); | 
 | void mii_clear_phy_interrupt(struct gfar_mii_info *mii_info); | 
 | void mii_configure_phy_interrupt(struct gfar_mii_info *mii_info, u32 interrupts); | 
 |  | 
 | struct dm9161_private { | 
 | 	struct timer_list timer; | 
 | 	int resetdone; | 
 | }; | 
 |  | 
 | #endif /* GIANFAR_PHY_H */ |