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_H 9 #define _REALTEK_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 #define REALTEK_HW_STOP_DELAY 25 /* msecs */ 17 #define REALTEK_HW_START_DELAY 100 /* msecs */ 18 19 struct realtek_ops; 20 struct dentry; 21 struct inode; 22 struct file; 23 24 struct rtl8366_mib_counter { 25 unsigned int base; 26 unsigned int offset; 27 unsigned int length; 28 const char *name; 29 }; 30 31 /* 32 * struct rtl8366_vlan_mc - Virtual LAN member configuration 33 */ 34 struct rtl8366_vlan_mc { 35 u16 vid; 36 u16 untag; 37 u16 member; 38 u8 fid; 39 u8 priority; 40 }; 41 42 struct rtl8366_vlan_4k { 43 u16 vid; 44 u16 untag; 45 u16 member; 46 u8 fid; 47 }; 48 49 struct realtek_priv { 50 struct device *dev; 51 struct gpio_desc *reset; 52 struct gpio_desc *mdc; 53 struct gpio_desc *mdio; 54 struct regmap *map; 55 struct regmap *map_nolock; 56 struct mutex map_lock; 57 struct mii_bus *slave_mii_bus; 58 struct mii_bus *bus; 59 int mdio_addr; 60 61 unsigned int clk_delay; 62 u8 cmd_read; 63 u8 cmd_write; 64 spinlock_t lock; /* Locks around command writes */ 65 struct dsa_switch *ds; 66 struct irq_domain *irqdomain; 67 bool leds_disabled; 68 69 unsigned int cpu_port; 70 unsigned int num_ports; 71 unsigned int num_vlan_mc; 72 unsigned int num_mib_counters; 73 struct rtl8366_mib_counter *mib_counters; 74 75 const struct realtek_ops *ops; 76 int (*setup_interface)(struct dsa_switch *ds); 77 int (*write_reg_noack)(void *ctx, u32 addr, u32 data); 78 79 int vlan_enabled; 80 int vlan4k_enabled; 81 82 char buf[4096]; 83 void *chip_data; /* Per-chip extra variant data */ 84 }; 85 86 /* 87 * struct realtek_ops - vtable for the per-SMI-chiptype operations 88 * @detect: detects the chiptype 89 */ 90 struct realtek_ops { 91 int (*detect)(struct realtek_priv *priv); 92 int (*reset_chip)(struct realtek_priv *priv); 93 int (*setup)(struct realtek_priv *priv); 94 void (*cleanup)(struct realtek_priv *priv); 95 int (*get_mib_counter)(struct realtek_priv *priv, 96 int port, 97 struct rtl8366_mib_counter *mib, 98 u64 *mibvalue); 99 int (*get_vlan_mc)(struct realtek_priv *priv, u32 index, 100 struct rtl8366_vlan_mc *vlanmc); 101 int (*set_vlan_mc)(struct realtek_priv *priv, u32 index, 102 const struct rtl8366_vlan_mc *vlanmc); 103 int (*get_vlan_4k)(struct realtek_priv *priv, u32 vid, 104 struct rtl8366_vlan_4k *vlan4k); 105 int (*set_vlan_4k)(struct realtek_priv *priv, 106 const struct rtl8366_vlan_4k *vlan4k); 107 int (*get_mc_index)(struct realtek_priv *priv, int port, int *val); 108 int (*set_mc_index)(struct realtek_priv *priv, int port, int index); 109 bool (*is_vlan_valid)(struct realtek_priv *priv, unsigned int vlan); 110 int (*enable_vlan)(struct realtek_priv *priv, bool enable); 111 int (*enable_vlan4k)(struct realtek_priv *priv, bool enable); 112 int (*enable_port)(struct realtek_priv *priv, int port, bool enable); 113 int (*phy_read)(struct realtek_priv *priv, int phy, int regnum); 114 int (*phy_write)(struct realtek_priv *priv, int phy, int regnum, 115 u16 val); 116 }; 117 118 struct realtek_variant { 119 const struct dsa_switch_ops *ds_ops_smi; 120 const struct dsa_switch_ops *ds_ops_mdio; 121 const struct realtek_ops *ops; 122 unsigned int clk_delay; 123 u8 cmd_read; 124 u8 cmd_write; 125 size_t chip_data_sz; 126 }; 127 128 /* RTL8366 library helpers */ 129 int rtl8366_mc_is_used(struct realtek_priv *priv, int mc_index, int *used); 130 int rtl8366_set_vlan(struct realtek_priv *priv, int vid, u32 member, 131 u32 untag, u32 fid); 132 int rtl8366_set_pvid(struct realtek_priv *priv, unsigned int port, 133 unsigned int vid); 134 int rtl8366_enable_vlan4k(struct realtek_priv *priv, bool enable); 135 int rtl8366_enable_vlan(struct realtek_priv *priv, bool enable); 136 int rtl8366_reset_vlan(struct realtek_priv *priv); 137 int rtl8366_vlan_add(struct dsa_switch *ds, int port, 138 const struct switchdev_obj_port_vlan *vlan, 139 struct netlink_ext_ack *extack); 140 int rtl8366_vlan_del(struct dsa_switch *ds, int port, 141 const struct switchdev_obj_port_vlan *vlan); 142 void rtl8366_get_strings(struct dsa_switch *ds, int port, u32 stringset, 143 uint8_t *data); 144 int rtl8366_get_sset_count(struct dsa_switch *ds, int port, int sset); 145 void rtl8366_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data); 146 147 extern const struct realtek_variant rtl8366rb_variant; 148 extern const struct realtek_variant rtl8365mb_variant; 149 150 #endif /* _REALTEK_H */ 151