/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2018, Sensor-Technik Wiedemann GmbH * Copyright (c) 2018-2019, Vladimir Oltean */ #ifndef _SJA1105_H #define _SJA1105_H #include #include #include #include #include #include #include "sja1105_static_config.h" #define SJA1105ET_FDB_BIN_SIZE 4 /* The hardware value is in multiples of 10 ms. * The passed parameter is in multiples of 1 ms. */ #define SJA1105_AGEING_TIME_MS(ms) ((ms) / 10) #define SJA1105_NUM_L2_POLICERS SJA1110_MAX_L2_POLICING_COUNT /* Calculated assuming 1Gbps, where the clock has 125 MHz (8 ns period) * To avoid floating point operations, we'll multiply the degrees by 10 * to get a "phase" and get 1 decimal point precision. */ #define SJA1105_RGMII_DELAY_PS_TO_PHASE(ps) \ (((ps) * 360) / 800) #define SJA1105_RGMII_DELAY_PHASE_TO_PS(phase) \ ((800 * (phase)) / 360) #define SJA1105_RGMII_DELAY_PHASE_TO_HW(phase) \ (((phase) - 738) / 9) #define SJA1105_RGMII_DELAY_PS_TO_HW(ps) \ SJA1105_RGMII_DELAY_PHASE_TO_HW(SJA1105_RGMII_DELAY_PS_TO_PHASE(ps)) /* Valid range in degrees is a value between 73.8 and 101.7 * in 0.9 degree increments */ #define SJA1105_RGMII_DELAY_MIN_PS \ SJA1105_RGMII_DELAY_PHASE_TO_PS(738) #define SJA1105_RGMII_DELAY_MAX_PS \ SJA1105_RGMII_DELAY_PHASE_TO_PS(1017) typedef enum { SPI_READ = 0, SPI_WRITE = 1, } sja1105_spi_rw_mode_t; #include "sja1105_tas.h" #include "sja1105_ptp.h" enum sja1105_stats_area { MAC, HL1, HL2, ETHER, __MAX_SJA1105_STATS_AREA, }; /* Keeps the different addresses between E/T and P/Q/R/S */ struct sja1105_regs { u64 device_id; u64 prod_id; u64 status; u64 port_control; u64 rgu; u64 vl_status; u64 config; u64 rmii_pll1; u64 ptppinst; u64 ptppindur; u64 ptp_control; u64 ptpclkval; u64 ptpclkrate; u64 ptpclkcorp; u64 ptpsyncts; u64 ptpschtm; u64 ptpegr_ts[SJA1105_MAX_NUM_PORTS]; u64 pad_mii_tx[SJA1105_MAX_NUM_PORTS]; u64 pad_mii_rx[SJA1105_MAX_NUM_PORTS]; u64 pad_mii_id[SJA1105_MAX_NUM_PORTS]; u64 cgu_idiv[SJA1105_MAX_NUM_PORTS]; u64 mii_tx_clk[SJA1105_MAX_NUM_PORTS]; u64 mii_rx_clk[SJA1105_MAX_NUM_PORTS]; u64 mii_ext_tx_clk[SJA1105_MAX_NUM_PORTS]; u64 mii_ext_rx_clk[SJA1105_MAX_NUM_PORTS]; u64 rgmii_tx_clk[SJA1105_MAX_NUM_PORTS]; u64 rmii_ref_clk[SJA1105_MAX_NUM_PORTS]; u64 rmii_ext_tx_clk[SJA1105_MAX_NUM_PORTS]; u64 stats[__MAX_SJA1105_STATS_AREA][SJA1105_MAX_NUM_PORTS]; u64 mdio_100base_tx; u64 mdio_100base_t1; u64 pcs_base[SJA1105_MAX_NUM_PORTS]; }; struct sja1105_mdio_private { struct sja1105_private *priv; }; enum { SJA1105_SPEED_AUTO, SJA1105_SPEED_10MBPS, SJA1105_SPEED_100MBPS, SJA1105_SPEED_1000MBPS, SJA1105_SPEED_2500MBPS, SJA1105_SPEED_MAX, }; enum sja1105_internal_phy_t { SJA1105_NO_PHY = 0, SJA1105_PHY_BASE_TX, SJA1105_PHY_BASE_T1, }; struct sja1105_info { u64 device_id; /* Needed for distinction between P and R, and between Q and S * (since the parts with/without SGMII share the same * switch core and device_id) */ u64 part_no; /* E/T and P/Q/R/S have partial timestamps of different sizes. * They must be reconstructed on both families anyway to get the full * 64-bit values back. */ int ptp_ts_bits; /* Also SPI commands are of different sizes to retrieve * the egress timestamps. */ int ptpegr_ts_bytes; int num_cbs_shapers; int max_frame_mem; int num_ports; bool multiple_cascade_ports; enum dsa_tag_protocol tag_proto; const struct sja1105_dynamic_table_ops *dyn_ops; const struct sja1105_table_ops *static_ops; const struct sja1105_regs *regs; bool can_limit_mcast_flood; int (*reset_cmd)(struct dsa_switch *ds); int (*setup_rgmii_delay)(const void *ctx, int port); /* Prototypes from include/net/dsa.h */ int (*fdb_add_cmd)(struct dsa_switch *ds, int port, const unsigned char *addr, u16 vid); int (*fdb_del_cmd)(struct dsa_switch *ds, int port, const unsigned char *addr, u16 vid); void (*ptp_cmd_packing)(u8 *buf, struct sja1105_ptp_cmd *cmd, enum packing_op op); bool (*rxtstamp)(struct dsa_switch *ds, int port, struct sk_buff *skb); void (*txtstamp)(struct dsa_switch *ds, int port, struct sk_buff *skb); int (*clocking_setup)(struct sja1105_private *priv); int (*pcs_mdio_read)(struct mii_bus *bus, int phy, int reg); int (*pcs_mdio_write)(struct mii_bus *bus, int phy, int reg, u16 val); int (*disable_microcontroller)(struct sja1105_private *priv); const char *name; bool supports_mii[SJA1105_MAX_NUM_PORTS]; bool supports_rmii[SJA1105_MAX_NUM_PORTS]; bool supports_rgmii[SJA1105_MAX_NUM_PORTS]; bool supports_sgmii[SJA1105_MAX_NUM_PORTS]; bool supports_2500basex[SJA1105_MAX_NUM_PORTS]; enum sja1105_internal_phy_t internal_phy[SJA1105_MAX_NUM_PORTS]; const u64 port_speed[SJA1105_SPEED_MAX]; }; enum sja1105_key_type { SJA1105_KEY_BCAST, SJA1105_KEY_TC, SJA1105_KEY_VLAN_UNAWARE_VL, SJA1105_KEY_VLAN_AWARE_VL, }; struct sja1105_key { enum sja1105_key_type type; union { /* SJA1105_KEY_TC */ struct { int pcp; } tc; /* SJA1105_KEY_VLAN_UNAWARE_VL */ /* SJA1105_KEY_VLAN_AWARE_VL */ struct { u64 dmac; u16 vid; u16 pcp; } vl; }; }; enum sja1105_rule_type { SJA1105_RULE_BCAST_POLICER, SJA1105_RULE_TC_POLICER, SJA1105_RULE_VL, }; enum sja1105_vl_type { SJA1105_VL_NONCRITICAL, SJA1105_VL_RATE_CONSTRAINED, SJA1105_VL_TIME_TRIGGERED, }; struct sja1105_rule { struct list_head list; unsigned long cookie; unsigned long port_mask; struct sja1105_key key; enum sja1105_rule_type type; /* Action */ union { /* SJA1105_RULE_BCAST_POLICER */ struct { int sharindx; } bcast_pol; /* SJA1105_RULE_TC_POLICER */ struct { int sharindx; } tc_pol; /* SJA1105_RULE_VL */ struct { enum sja1105_vl_type type; unsigned long destports; int sharindx; int maxlen; int ipv; u64 base_time; u64 cycle_time; int num_entries; struct action_gate_entry *entries; struct flow_stats stats; } vl; }; }; struct sja1105_flow_block { struct list_head rules; bool l2_policer_used[SJA1105_NUM_L2_POLICERS]; int num_virtual_links; }; struct sja1105_private { struct sja1105_static_config static_config; int rgmii_rx_delay_ps[SJA1105_MAX_NUM_PORTS]; int rgmii_tx_delay_ps[SJA1105_MAX_NUM_PORTS]; phy_interface_t phy_mode[SJA1105_MAX_NUM_PORTS]; bool fixed_link[SJA1105_MAX_NUM_PORTS]; unsigned long ucast_egress_floods; unsigned long bcast_egress_floods; unsigned long hwts_tx_en; const struct sja1105_info *info; size_t max_xfer_len; struct spi_device *spidev; struct dsa_switch *ds; u16 bridge_pvid[SJA1105_MAX_NUM_PORTS]; u16 tag_8021q_pvid[SJA1105_MAX_NUM_PORTS]; struct sja1105_flow_block flow_block; /* Serializes transmission of management frames so that * the switch doesn't confuse them with one another. */ struct mutex mgmt_lock; /* PTP two-step TX timestamp ID, and its serialization lock */ spinlock_t ts_id_lock; u8 ts_id; /* Serializes access to the dynamic config interface */ struct mutex dynamic_config_lock; struct devlink_region **regions; struct sja1105_cbs_entry *cbs; struct mii_bus *mdio_base_t1; struct mii_bus *mdio_base_tx; struct mii_bus *mdio_pcs; struct dw_xpcs *xpcs[SJA1105_MAX_NUM_PORTS]; struct sja1105_ptp_data ptp_data; struct sja1105_tas_data tas_data; }; #include "sja1105_dynamic_config.h" struct sja1105_spi_message { u64 access; u64 read_count; u64 address; }; /* From sja1105_main.c */ enum sja1105_reset_reason { SJA1105_VLAN_FILTERING = 0, SJA1105_RX_HWTSTAMPING, SJA1105_AGEING_TIME, SJA1105_SCHEDULING, SJA1105_BEST_EFFORT_POLICING, SJA1105_VIRTUAL_LINKS, }; int sja1105_static_config_reload(struct sja1105_private *priv, enum sja1105_reset_reason reason); int sja1105_vlan_filtering(struct dsa_switch *ds, int port, bool enabled, struct netlink_ext_ack *extack); void sja1105_frame_memory_partitioning(struct sja1105_private *priv); /* From sja1105_mdio.c */ int sja1105_mdiobus_register(struct dsa_switch *ds); void sja1105_mdiobus_unregister(struct dsa_switch *ds); int sja1105_pcs_mdio_read(struct mii_bus *bus, int phy, int reg); int sja1105_pcs_mdio_write(struct mii_bus *bus, int phy, int reg, u16 val); int sja1110_pcs_mdio_read(struct mii_bus *bus, int phy, int reg); int sja1110_pcs_mdio_write(struct mii_bus *bus, int phy, int reg, u16 val); /* From sja1105_devlink.c */ int sja1105_devlink_setup(struct dsa_switch *ds); void sja1105_devlink_teardown(struct dsa_switch *ds); int sja1105_devlink_info_get(struct dsa_switch *ds, struct devlink_info_req *req, struct netlink_ext_ack *extack); /* From sja1105_spi.c */ int sja1105_xfer_buf(const struct sja1105_private *priv, sja1105_spi_rw_mode_t rw, u64 reg_addr, u8 *buf, size_t len); int sja1105_xfer_u32(const struct sja1105_private *priv, sja1105_spi_rw_mode_t rw, u64 reg_addr, u32 *value, struct ptp_system_timestamp *ptp_sts); int sja1105_xfer_u64(const struct sja1105_private *priv, sja1105_spi_rw_mode_t rw, u64 reg_addr, u64 *value, struct ptp_system_timestamp *ptp_sts); int static_config_buf_prepare_for_upload(struct sja1105_private *priv, void *config_buf, int buf_len); int sja1105_static_config_upload(struct sja1105_private *priv); int sja1105_inhibit_tx(const struct sja1105_private *priv, unsigned long port_bitmap, bool tx_inhibited); extern const struct sja1105_info sja1105e_info; extern const struct sja1105_info sja1105t_info; extern const struct sja1105_info sja1105p_info; extern const struct sja1105_info sja1105q_info; extern const struct sja1105_info sja1105r_info; extern const struct sja1105_info sja1105s_info; extern const struct sja1105_info sja1110a_info; extern const struct sja1105_info sja1110b_info; extern const struct sja1105_info sja1110c_info; extern const struct sja1105_info sja1110d_info; /* From sja1105_clocking.c */ typedef enum { XMII_MAC = 0, XMII_PHY = 1, } sja1105_mii_role_t; typedef enum { XMII_MODE_MII = 0, XMII_MODE_RMII = 1, XMII_MODE_RGMII = 2, XMII_MODE_SGMII = 3, } sja1105_phy_interface_t; int sja1105pqrs_setup_rgmii_delay(const void *ctx, int port); int sja1110_setup_rgmii_delay(const void *ctx, int port); int sja1105_clocking_setup_port(struct sja1105_private *priv, int port); int sja1105_clocking_setup(struct sja1105_private *priv); int sja1110_disable_microcontroller(struct sja1105_private *priv); /* From sja1105_ethtool.c */ void sja1105_get_ethtool_stats(struct dsa_switch *ds, int port, u64 *data); void sja1105_get_strings(struct dsa_switch *ds, int port, u32 stringset, u8 *data); int sja1105_get_sset_count(struct dsa_switch *ds, int port, int sset); /* From sja1105_dynamic_config.c */ int sja1105_dynamic_config_read(struct sja1105_private *priv, enum sja1105_blk_idx blk_idx, int index, void *entry); int sja1105_dynamic_config_write(struct sja1105_private *priv, enum sja1105_blk_idx blk_idx, int index, void *entry, bool keep); enum sja1105_iotag { SJA1105_C_TAG = 0, /* Inner VLAN header */ SJA1105_S_TAG = 1, /* Outer VLAN header */ }; enum sja1110_vlan_type { SJA1110_VLAN_INVALID = 0, SJA1110_VLAN_C_TAG = 1, /* Single inner VLAN tag */ SJA1110_VLAN_S_TAG = 2, /* Single outer VLAN tag */ SJA1110_VLAN_D_TAG = 3, /* Double tagged, use outer tag for lookup */ }; enum sja1110_shaper_type { SJA1110_LEAKY_BUCKET_SHAPER = 0, SJA1110_CBS_SHAPER = 1, }; u8 sja1105et_fdb_hash(struct sja1105_private *priv, const u8 *addr, u16 vid); int sja1105et_fdb_add(struct dsa_switch *ds, int port, const unsigned char *addr, u16 vid); int sja1105et_fdb_del(struct dsa_switch *ds, int port, const unsigned char *addr, u16 vid); int sja1105pqrs_fdb_add(struct dsa_switch *ds, int port, const unsigned char *addr, u16 vid); int sja1105pqrs_fdb_del(struct dsa_switch *ds, int port, const unsigned char *addr, u16 vid); /* From sja1105_flower.c */ int sja1105_cls_flower_del(struct dsa_switch *ds, int port, struct flow_cls_offload *cls, bool ingress); int sja1105_cls_flower_add(struct dsa_switch *ds, int port, struct flow_cls_offload *cls, bool ingress); int sja1105_cls_flower_stats(struct dsa_switch *ds, int port, struct flow_cls_offload *cls, bool ingress); void sja1105_flower_setup(struct dsa_switch *ds); void sja1105_flower_teardown(struct dsa_switch *ds); struct sja1105_rule *sja1105_rule_find(struct sja1105_private *priv, unsigned long cookie); #endif