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b47aec885b
For CL37 1000BASE-X AN, DW xPCS does not support C22 method but offers
C45 vendor-specific MII MMD for programming.
We also add the ability to disable Autoneg (through ethtool for certain
network switch that supports 1000BASE-X (1000Mbps and Full-Duplex) but
not Autoneg capability.
v4: Fixes to comment from Russell King. Thanks!
https://patchwork.kernel.org/comment/24894239/
Make xpcs_modify_changed() as private, change to use
mdiodev_modify_changed() for cleaner code.
v3: Fixes to issues spotted by Russell King. Thanks!
https://patchwork.kernel.org/comment/24890210/
Use phylink_mii_c22_pcs_decode_state(), remove unnecessary
interrupt clearing and skip speed & duplex setting if AN
is enabled.
v2: Fixes to issues spotted by Russell King in v1. Thanks!
https://patchwork.kernel.org/comment/24826650/
Use phylink_mii_c22_pcs_encode_advertisement() and implement
C45 MII ADV handling since IP only support C45 access.
Tested-by: Emilio Riva <emilio.riva@ericsson.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2020 Synopsys, Inc. and/or its affiliates.
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* Synopsys DesignWare XPCS helpers
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*/
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#ifndef __LINUX_PCS_XPCS_H
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#define __LINUX_PCS_XPCS_H
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#include <linux/phy.h>
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#include <linux/phylink.h>
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#define NXP_SJA1105_XPCS_ID 0x00000010
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#define NXP_SJA1110_XPCS_ID 0x00000020
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/* AN mode */
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#define DW_AN_C73 1
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#define DW_AN_C37_SGMII 2
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#define DW_2500BASEX 3
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#define DW_AN_C37_1000BASEX 4
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struct xpcs_id;
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struct dw_xpcs {
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struct mdio_device *mdiodev;
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const struct xpcs_id *id;
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struct phylink_pcs pcs;
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};
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int xpcs_get_an_mode(struct dw_xpcs *xpcs, phy_interface_t interface);
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void xpcs_link_up(struct phylink_pcs *pcs, unsigned int mode,
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phy_interface_t interface, int speed, int duplex);
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int xpcs_do_config(struct dw_xpcs *xpcs, phy_interface_t interface,
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unsigned int mode, const unsigned long *advertising);
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void xpcs_get_interfaces(struct dw_xpcs *xpcs, unsigned long *interfaces);
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int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns,
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int enable);
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struct dw_xpcs *xpcs_create(struct mdio_device *mdiodev,
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phy_interface_t interface);
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void xpcs_destroy(struct dw_xpcs *xpcs);
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#endif /* __LINUX_PCS_XPCS_H */
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