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 struct dw_xpcs_desc; 25 26 enum dw_xpcs_pcs_id { 27 DW_XPCS_ID_NATIVE = 0, 28 NXP_SJA1105_XPCS_ID = 0x00000010, 29 NXP_SJA1110_XPCS_ID = 0x00000020, 30 DW_XPCS_ID = 0x7996ced0, 31 DW_XPCS_ID_MASK = 0xffffffff, 32 }; 33 34 enum dw_xpcs_pma_id { 35 DW_XPCS_PMA_ID_NATIVE = 0, 36 DW_XPCS_PMA_GEN1_3G_ID, 37 DW_XPCS_PMA_GEN2_3G_ID, 38 DW_XPCS_PMA_GEN2_6G_ID, 39 DW_XPCS_PMA_GEN4_3G_ID, 40 DW_XPCS_PMA_GEN4_6G_ID, 41 DW_XPCS_PMA_GEN5_10G_ID, 42 DW_XPCS_PMA_GEN5_12G_ID, 43 WX_TXGBE_XPCS_PMA_10G_ID = 0x0018fc80, 44 }; 45 46 struct dw_xpcs_info { 47 u32 pcs; 48 u32 pma; 49 }; 50 51 enum dw_xpcs_clock { 52 DW_XPCS_CORE_CLK, 53 DW_XPCS_PAD_CLK, 54 DW_XPCS_NUM_CLKS, 55 }; 56 57 struct dw_xpcs { 58 struct dw_xpcs_info info; 59 const struct dw_xpcs_desc *desc; 60 struct mdio_device *mdiodev; 61 struct clk_bulk_data clks[DW_XPCS_NUM_CLKS]; 62 struct phylink_pcs pcs; 63 phy_interface_t interface; 64 }; 65 66 int xpcs_get_an_mode(struct dw_xpcs *xpcs, phy_interface_t interface); 67 void xpcs_link_up(struct phylink_pcs *pcs, unsigned int neg_mode, 68 phy_interface_t interface, int speed, int duplex); 69 int xpcs_do_config(struct dw_xpcs *xpcs, phy_interface_t interface, 70 const unsigned long *advertising, unsigned int neg_mode); 71 void xpcs_get_interfaces(struct dw_xpcs *xpcs, unsigned long *interfaces); 72 int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns, 73 int enable); 74 struct dw_xpcs *xpcs_create_mdiodev(struct mii_bus *bus, int addr, 75 phy_interface_t interface); 76 struct dw_xpcs *xpcs_create_fwnode(struct fwnode_handle *fwnode, 77 phy_interface_t interface); 78 void xpcs_destroy(struct dw_xpcs *xpcs); 79 80 #endif /* __LINUX_PCS_XPCS_H */ 81