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a69e332b4e
The Amlogic Meson internal PHY's have the same register layout as certain SMSC PHY's (also for non-c22-standard registers). This seems to be more than just coincidence. Apparently they also need the same workaround for EDPD mode (energy detect power down). Therefore let's export SMSC PHY driver functionality for use by the meson-gxl PHY driver. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Chris Healy <healych@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
38 lines
1.5 KiB
C
38 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __LINUX_SMSCPHY_H__
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#define __LINUX_SMSCPHY_H__
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#define MII_LAN83C185_ISF 29 /* Interrupt Source Flags */
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#define MII_LAN83C185_IM 30 /* Interrupt Mask */
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#define MII_LAN83C185_CTRL_STATUS 17 /* Mode/Status Register */
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#define MII_LAN83C185_SPECIAL_MODES 18 /* Special Modes Register */
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#define MII_LAN83C185_ISF_INT1 (1<<1) /* Auto-Negotiation Page Received */
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#define MII_LAN83C185_ISF_INT2 (1<<2) /* Parallel Detection Fault */
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#define MII_LAN83C185_ISF_INT3 (1<<3) /* Auto-Negotiation LP Ack */
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#define MII_LAN83C185_ISF_INT4 (1<<4) /* Link Down */
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#define MII_LAN83C185_ISF_INT5 (1<<5) /* Remote Fault Detected */
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#define MII_LAN83C185_ISF_INT6 (1<<6) /* Auto-Negotiation complete */
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#define MII_LAN83C185_ISF_INT7 (1<<7) /* ENERGYON */
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#define MII_LAN83C185_ISF_INT_ALL (0x0e)
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#define MII_LAN83C185_ISF_INT_PHYLIB_EVENTS \
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(MII_LAN83C185_ISF_INT6 | MII_LAN83C185_ISF_INT4 | \
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MII_LAN83C185_ISF_INT7)
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#define MII_LAN83C185_EDPWRDOWN (1 << 13) /* EDPWRDOWN */
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#define MII_LAN83C185_ENERGYON (1 << 1) /* ENERGYON */
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#define MII_LAN83C185_MODE_MASK 0xE0
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#define MII_LAN83C185_MODE_POWERDOWN 0xC0 /* Power Down mode */
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#define MII_LAN83C185_MODE_ALL 0xE0 /* All capable mode */
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int smsc_phy_config_intr(struct phy_device *phydev);
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irqreturn_t smsc_phy_handle_interrupt(struct phy_device *phydev);
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int smsc_phy_config_init(struct phy_device *phydev);
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int lan87xx_read_status(struct phy_device *phydev);
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int smsc_phy_probe(struct phy_device *phydev);
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#endif /* __LINUX_SMSCPHY_H__ */
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