1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2020 Synopsys, Inc. and/or its affiliates.
4  * Synopsys DesignWare XPCS helpers
5  */
6 
7 #ifndef __LINUX_PCS_XPCS_H
8 #define __LINUX_PCS_XPCS_H
9 
10 #include <linux/phy.h>
11 #include <linux/phylink.h>
12 
13 #define NXP_SJA1105_XPCS_ID		0x00000010
14 #define NXP_SJA1110_XPCS_ID		0x00000020
15 
16 /* AN mode */
17 #define DW_AN_C73			1
18 #define DW_AN_C37_SGMII			2
19 #define DW_2500BASEX			3
20 #define DW_AN_C37_1000BASEX		4
21 
22 struct xpcs_id;
23 
24 struct dw_xpcs {
25 	struct mdio_device *mdiodev;
26 	const struct xpcs_id *id;
27 	struct phylink_pcs pcs;
28 };
29 
30 int xpcs_get_an_mode(struct dw_xpcs *xpcs, phy_interface_t interface);
31 void xpcs_link_up(struct phylink_pcs *pcs, unsigned int mode,
32 		  phy_interface_t interface, int speed, int duplex);
33 int xpcs_do_config(struct dw_xpcs *xpcs, phy_interface_t interface,
34 		   unsigned int mode, const unsigned long *advertising);
35 void xpcs_get_interfaces(struct dw_xpcs *xpcs, unsigned long *interfaces);
36 int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns,
37 		    int enable);
38 struct dw_xpcs *xpcs_create(struct mdio_device *mdiodev,
39 			    phy_interface_t interface);
40 void xpcs_destroy(struct dw_xpcs *xpcs);
41 
42 #endif /* __LINUX_PCS_XPCS_H */
43