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/clk.h>
11 #include <linux/fwnode.h>
12 #include <linux/mdio.h>
13 #include <linux/phy.h>
14 #include <linux/phylink.h>
15 #include <linux/types.h>
16 
17 /* AN mode */
18 #define DW_AN_C73			1
19 #define DW_AN_C37_SGMII			2
20 #define DW_2500BASEX			3
21 #define DW_AN_C37_1000BASEX		4
22 #define DW_10GBASER			5
23 
24 enum dw_xpcs_pcs_id {
25 	DW_XPCS_ID_NATIVE = 0,
26 	NXP_SJA1105_XPCS_ID = 0x00000010,
27 	NXP_SJA1110_XPCS_ID = 0x00000020,
28 	DW_XPCS_ID = 0x7996ced0,
29 	DW_XPCS_ID_MASK = 0xffffffff,
30 };
31 
32 enum dw_xpcs_pma_id {
33 	DW_XPCS_PMA_ID_NATIVE = 0,
34 	DW_XPCS_PMA_GEN1_3G_ID,
35 	DW_XPCS_PMA_GEN2_3G_ID,
36 	DW_XPCS_PMA_GEN2_6G_ID,
37 	DW_XPCS_PMA_GEN4_3G_ID,
38 	DW_XPCS_PMA_GEN4_6G_ID,
39 	DW_XPCS_PMA_GEN5_10G_ID,
40 	DW_XPCS_PMA_GEN5_12G_ID,
41 	WX_TXGBE_XPCS_PMA_10G_ID = 0x0018fc80,
42 };
43 
44 struct dw_xpcs_info {
45 	u32 pcs;
46 	u32 pma;
47 };
48 
49 struct dw_xpcs;
50 
51 struct phylink_pcs *xpcs_to_phylink_pcs(struct dw_xpcs *xpcs);
52 int xpcs_get_an_mode(struct dw_xpcs *xpcs, phy_interface_t interface);
53 int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns,
54 		    int enable);
55 struct dw_xpcs *xpcs_create_mdiodev(struct mii_bus *bus, int addr);
56 struct dw_xpcs *xpcs_create_fwnode(struct fwnode_handle *fwnode);
57 void xpcs_destroy(struct dw_xpcs *xpcs);
58 
59 struct phylink_pcs *xpcs_create_pcs_mdiodev(struct mii_bus *bus, int addr);
60 void xpcs_destroy_pcs(struct phylink_pcs *pcs);
61 
62 #endif /* __LINUX_PCS_XPCS_H */
63