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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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19e2f6fe96
Since sungem_phy is used by multiple, unrelated, drivers make it build as a real module under drivers/net. depmod will pick up the symbol dependency and make sure sungem_phy.ko gets loaded any time sungem.ko or spider_net.ko is loaded. Tested-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
133 lines
3.9 KiB
C
133 lines
3.9 KiB
C
#ifndef __SUNGEM_PHY_H__
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#define __SUNGEM_PHY_H__
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struct mii_phy;
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/* Operations supported by any kind of PHY */
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struct mii_phy_ops
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{
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int (*init)(struct mii_phy *phy);
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int (*suspend)(struct mii_phy *phy);
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int (*setup_aneg)(struct mii_phy *phy, u32 advertise);
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int (*setup_forced)(struct mii_phy *phy, int speed, int fd);
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int (*poll_link)(struct mii_phy *phy);
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int (*read_link)(struct mii_phy *phy);
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int (*enable_fiber)(struct mii_phy *phy, int autoneg);
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};
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/* Structure used to statically define an mii/gii based PHY */
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struct mii_phy_def
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{
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u32 phy_id; /* Concatenated ID1 << 16 | ID2 */
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u32 phy_id_mask; /* Significant bits */
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u32 features; /* Ethtool SUPPORTED_* defines */
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int magic_aneg; /* Autoneg does all speed test for us */
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const char* name;
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const struct mii_phy_ops* ops;
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};
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enum {
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BCM54XX_COPPER,
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BCM54XX_FIBER,
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BCM54XX_GBIC,
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BCM54XX_SGMII,
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BCM54XX_UNKNOWN,
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};
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/* An instance of a PHY, partially borrowed from mii_if_info */
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struct mii_phy
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{
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struct mii_phy_def* def;
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u32 advertising;
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int mii_id;
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/* 1: autoneg enabled, 0: disabled */
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int autoneg;
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/* forced speed & duplex (no autoneg)
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* partner speed & duplex & pause (autoneg)
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*/
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int speed;
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int duplex;
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int pause;
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/* Provided by host chip */
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struct net_device *dev;
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int (*mdio_read) (struct net_device *dev, int mii_id, int reg);
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void (*mdio_write) (struct net_device *dev, int mii_id, int reg, int val);
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void *platform_data;
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};
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/* Pass in a struct mii_phy with dev, mdio_read and mdio_write
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* filled, the remaining fields will be filled on return
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*/
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extern int sungem_phy_probe(struct mii_phy *phy, int mii_id);
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/* MII definitions missing from mii.h */
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#define BMCR_SPD2 0x0040 /* Gigabit enable (bcm54xx) */
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#define LPA_PAUSE 0x0400
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/* More PHY registers (model specific) */
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/* MII BCM5201 MULTIPHY interrupt register */
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#define MII_BCM5201_INTERRUPT 0x1A
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#define MII_BCM5201_INTERRUPT_INTENABLE 0x4000
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#define MII_BCM5201_AUXMODE2 0x1B
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#define MII_BCM5201_AUXMODE2_LOWPOWER 0x0008
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#define MII_BCM5201_MULTIPHY 0x1E
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/* MII BCM5201 MULTIPHY register bits */
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#define MII_BCM5201_MULTIPHY_SERIALMODE 0x0002
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#define MII_BCM5201_MULTIPHY_SUPERISOLATE 0x0008
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/* MII BCM5221 Additional registers */
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#define MII_BCM5221_TEST 0x1f
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#define MII_BCM5221_TEST_ENABLE_SHADOWS 0x0080
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#define MII_BCM5221_SHDOW_AUX_STAT2 0x1b
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#define MII_BCM5221_SHDOW_AUX_STAT2_APD 0x0020
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#define MII_BCM5221_SHDOW_AUX_MODE4 0x1a
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#define MII_BCM5221_SHDOW_AUX_MODE4_IDDQMODE 0x0001
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#define MII_BCM5221_SHDOW_AUX_MODE4_CLKLOPWR 0x0004
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/* MII BCM5241 Additional registers */
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#define MII_BCM5241_SHDOW_AUX_MODE4_STANDBYPWR 0x0008
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/* MII BCM5400 1000-BASET Control register */
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#define MII_BCM5400_GB_CONTROL 0x09
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#define MII_BCM5400_GB_CONTROL_FULLDUPLEXCAP 0x0200
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/* MII BCM5400 AUXCONTROL register */
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#define MII_BCM5400_AUXCONTROL 0x18
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#define MII_BCM5400_AUXCONTROL_PWR10BASET 0x0004
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/* MII BCM5400 AUXSTATUS register */
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#define MII_BCM5400_AUXSTATUS 0x19
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#define MII_BCM5400_AUXSTATUS_LINKMODE_MASK 0x0700
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#define MII_BCM5400_AUXSTATUS_LINKMODE_SHIFT 8
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/* 1000BT control (Marvell & BCM54xx at least) */
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#define MII_1000BASETCONTROL 0x09
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#define MII_1000BASETCONTROL_FULLDUPLEXCAP 0x0200
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#define MII_1000BASETCONTROL_HALFDUPLEXCAP 0x0100
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/* Marvell 88E1011 PHY control */
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#define MII_M1011_PHY_SPEC_CONTROL 0x10
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#define MII_M1011_PHY_SPEC_CONTROL_MANUAL_MDIX 0x20
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#define MII_M1011_PHY_SPEC_CONTROL_AUTO_MDIX 0x40
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/* Marvell 88E1011 PHY status */
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#define MII_M1011_PHY_SPEC_STATUS 0x11
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#define MII_M1011_PHY_SPEC_STATUS_1000 0x8000
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#define MII_M1011_PHY_SPEC_STATUS_100 0x4000
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#define MII_M1011_PHY_SPEC_STATUS_SPD_MASK 0xc000
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#define MII_M1011_PHY_SPEC_STATUS_FULLDUPLEX 0x2000
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#define MII_M1011_PHY_SPEC_STATUS_RESOLVED 0x0800
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#define MII_M1011_PHY_SPEC_STATUS_TX_PAUSE 0x0008
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#define MII_M1011_PHY_SPEC_STATUS_RX_PAUSE 0x0004
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#endif /* __SUNGEM_PHY_H__ */
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