1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* Realtek SMI interface driver defines 3 * 4 * Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org> 5 * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org> 6 */ 7 8 #ifndef _REALTEK_SMI_H 9 #define _REALTEK_SMI_H 10 11 #include <linux/phy.h> 12 #include <linux/platform_device.h> 13 #include <linux/gpio/consumer.h> 14 #include <net/dsa.h> 15 16 struct realtek_ops; 17 struct dentry; 18 struct inode; 19 struct file; 20 21 struct rtl8366_mib_counter { 22 unsigned int base; 23 unsigned int offset; 24 unsigned int length; 25 const char *name; 26 }; 27 28 /* 29 * struct rtl8366_vlan_mc - Virtual LAN member configuration 30 */ 31 struct rtl8366_vlan_mc { 32 u16 vid; 33 u16 untag; 34 u16 member; 35 u8 fid; 36 u8 priority; 37 }; 38 39 struct rtl8366_vlan_4k { 40 u16 vid; 41 u16 untag; 42 u16 member; 43 u8 fid; 44 }; 45 46 struct realtek_priv { 47 struct device *dev; 48 struct gpio_desc *reset; 49 struct gpio_desc *mdc; 50 struct gpio_desc *mdio; 51 struct regmap *map; 52 struct mii_bus *slave_mii_bus; 53 struct mii_bus *bus; 54 int mdio_addr; 55 56 unsigned int clk_delay; 57 u8 cmd_read; 58 u8 cmd_write; 59 spinlock_t lock; /* Locks around command writes */ 60 struct dsa_switch *ds; 61 struct irq_domain *irqdomain; 62 bool leds_disabled; 63 64 unsigned int cpu_port; 65 unsigned int num_ports; 66 unsigned int num_vlan_mc; 67 unsigned int num_mib_counters; 68 struct rtl8366_mib_counter *mib_counters; 69 70 const struct realtek_ops *ops; 71 int (*setup_interface)(struct dsa_switch *ds); 72 int (*write_reg_noack)(void *ctx, u32 addr, u32 data); 73 74 int vlan_enabled; 75 int vlan4k_enabled; 76 77 char buf[4096]; 78 void *chip_data; /* Per-chip extra variant data */ 79 }; 80 81 /* 82 * struct realtek_ops - vtable for the per-SMI-chiptype operations 83 * @detect: detects the chiptype 84 */ 85 struct realtek_ops { 86 int (*detect)(struct realtek_priv *priv); 87 int (*reset_chip)(struct realtek_priv *priv); 88 int (*setup)(struct realtek_priv *priv); 89 void (*cleanup)(struct realtek_priv *priv); 90 int (*get_mib_counter)(struct realtek_priv *priv, 91 int port, 92 struct rtl8366_mib_counter *mib, 93 u64 *mibvalue); 94 int (*get_vlan_mc)(struct realtek_priv *priv, u32 index, 95 struct rtl8366_vlan_mc *vlanmc); 96 int (*set_vlan_mc)(struct realtek_priv *priv, u32 index, 97 const struct rtl8366_vlan_mc *vlanmc); 98 int (*get_vlan_4k)(struct realtek_priv *priv, u32 vid, 99 struct rtl8366_vlan_4k *vlan4k); 100 int (*set_vlan_4k)(struct realtek_priv *priv, 101 const struct rtl8366_vlan_4k *vlan4k); 102 int (*get_mc_index)(struct realtek_priv *priv, int port, int *val); 103 int (*set_mc_index)(struct realtek_priv *priv, int port, int index); 104 bool (*is_vlan_valid)(struct realtek_priv *priv, unsigned int vlan); 105 int (*enable_vlan)(struct realtek_priv *priv, bool enable); 106 int (*enable_vlan4k)(struct realtek_priv *priv, bool enable); 107 int (*enable_port)(struct realtek_priv *priv, int port, bool enable); 108 int (*phy_read)(struct realtek_priv *priv, int phy, int regnum); 109 int (*phy_write)(struct realtek_priv *priv, int phy, int regnum, 110 u16 val); 111 }; 112 113 struct realtek_variant { 114 const struct dsa_switch_ops *ds_ops_smi; 115 const struct dsa_switch_ops *ds_ops_mdio; 116 const struct realtek_ops *ops; 117 unsigned int clk_delay; 118 u8 cmd_read; 119 u8 cmd_write; 120 size_t chip_data_sz; 121 }; 122 123 /* RTL8366 library helpers */ 124 int rtl8366_mc_is_used(struct realtek_priv *priv, int mc_index, int *used); 125 int rtl8366_set_vlan(struct realtek_priv *priv, int vid, u32 member, 126 u32 untag, u32 fid); 127 int rtl8366_set_pvid(struct realtek_priv *priv, unsigned int port, 128 unsigned int vid); 129 int rtl8366_enable_vlan4k(struct realtek_priv *priv, bool enable); 130 int rtl8366_enable_vlan(struct realtek_priv *priv, bool enable); 131 int rtl8366_reset_vlan(struct realtek_priv *priv); 132 int rtl8366_vlan_add(struct dsa_switch *ds, int port, 133 const struct switchdev_obj_port_vlan *vlan, 134 struct netlink_ext_ack *extack); 135 int rtl8366_vlan_del(struct dsa_switch *ds, int port, 136 const struct switchdev_obj_port_vlan *vlan); 137 void rtl8366_get_strings(struct dsa_switch *ds, int port, u32 stringset, 138 uint8_t *data); 139 int rtl8366_get_sset_count(struct dsa_switch *ds, int port, int sset); 140 void rtl8366_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data); 141 142 extern const struct realtek_variant rtl8366rb_variant; 143 extern const struct realtek_variant rtl8365mb_variant; 144 145 #endif /* _REALTEK_SMI_H */ 146