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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#include <linux/reset.h>
16
17#define REALTEK_HW_STOP_DELAY 25 /* msecs */
18#define REALTEK_HW_START_DELAY 100 /* msecs */
19
20struct phylink_mac_ops;
21struct realtek_ops;
22
23struct rtl8366_mib_counter {
24 unsigned int base;
25 unsigned int offset;
26 unsigned int length;
27 const char *name;
28};
29
30/*
31 * struct rtl8366_vlan_mc - Virtual LAN member configuration
32 */
33struct rtl8366_vlan_mc {
34 u16 vid;
35 u16 untag;
36 u16 member;
37 u8 fid;
38 u8 priority;
39};
40
41struct rtl8366_vlan_4k {
42 u16 vid;
43 u16 untag;
44 u16 member;
45 u8 fid;
46};
47
48struct realtek_priv {
49 struct device *dev;
50 struct reset_control *reset_ctl;
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 *user_mii_bus;
58 struct mii_bus *bus;
59 int mdio_addr;
60
61 const struct realtek_variant *variant;
62
63 spinlock_t lock; /* Locks around command writes */
64 struct dsa_switch ds;
65 struct irq_domain *irqdomain;
66 bool leds_disabled;
67
68 unsigned int cpu_port;
69 unsigned int num_ports;
70 unsigned int num_vlan_mc;
71 unsigned int num_mib_counters;
72 struct rtl8366_mib_counter *mib_counters;
73
74 const struct realtek_ops *ops;
75 int (*write_reg_noack)(void *ctx, u32 addr, u32 data);
76
77 int vlan_enabled;
78 int vlan4k_enabled;
79
80 char buf[4096];
81 void *chip_data; /* Per-chip extra variant data */
82};
83
84/*
85 * struct realtek_ops - vtable for the per-SMI-chiptype operations
86 * @detect: detects the chiptype
87 */
88struct realtek_ops {
89 int (*detect)(struct realtek_priv *priv);
90 int (*reset_chip)(struct realtek_priv *priv);
91 int (*setup)(struct realtek_priv *priv);
92 int (*get_mib_counter)(struct realtek_priv *priv,
93 int port,
94 struct rtl8366_mib_counter *mib,
95 u64 *mibvalue);
96 int (*get_vlan_mc)(struct realtek_priv *priv, u32 index,
97 struct rtl8366_vlan_mc *vlanmc);
98 int (*set_vlan_mc)(struct realtek_priv *priv, u32 index,
99 const struct rtl8366_vlan_mc *vlanmc);
100 int (*get_vlan_4k)(struct realtek_priv *priv, u32 vid,
101 struct rtl8366_vlan_4k *vlan4k);
102 int (*set_vlan_4k)(struct realtek_priv *priv,
103 const struct rtl8366_vlan_4k *vlan4k);
104 int (*get_mc_index)(struct realtek_priv *priv, int port, int *val);
105 int (*set_mc_index)(struct realtek_priv *priv, int port, int index);
106 bool (*is_vlan_valid)(struct realtek_priv *priv, unsigned int vlan);
107 int (*enable_vlan)(struct realtek_priv *priv, bool enable);
108 int (*enable_vlan4k)(struct realtek_priv *priv, bool enable);
109 int (*enable_port)(struct realtek_priv *priv, int port, bool enable);
110 int (*phy_read)(struct realtek_priv *priv, int phy, int regnum);
111 int (*phy_write)(struct realtek_priv *priv, int phy, int regnum,
112 u16 val);
113};
114
115struct realtek_variant {
116 const struct dsa_switch_ops *ds_ops;
117 const struct realtek_ops *ops;
118 const struct phylink_mac_ops *phylink_mac_ops;
119 unsigned int clk_delay;
120 u8 cmd_read;
121 u8 cmd_write;
122 size_t chip_data_sz;
123};
124
125/* RTL8366 library helpers */
126int rtl8366_mc_is_used(struct realtek_priv *priv, int mc_index, int *used);
127int rtl8366_set_vlan(struct realtek_priv *priv, int vid, u32 member,
128 u32 untag, u32 fid);
129int rtl8366_set_pvid(struct realtek_priv *priv, unsigned int port,
130 unsigned int vid);
131int rtl8366_enable_vlan4k(struct realtek_priv *priv, bool enable);
132int rtl8366_enable_vlan(struct realtek_priv *priv, bool enable);
133int rtl8366_reset_vlan(struct realtek_priv *priv);
134int rtl8366_vlan_add(struct dsa_switch *ds, int port,
135 const struct switchdev_obj_port_vlan *vlan,
136 struct netlink_ext_ack *extack);
137int rtl8366_vlan_del(struct dsa_switch *ds, int port,
138 const struct switchdev_obj_port_vlan *vlan);
139void rtl8366_get_strings(struct dsa_switch *ds, int port, u32 stringset,
140 uint8_t *data);
141int rtl8366_get_sset_count(struct dsa_switch *ds, int port, int sset);
142void rtl8366_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data);
143
144extern const struct realtek_variant rtl8366rb_variant;
145extern const struct realtek_variant rtl8365mb_variant;
146
147#endif /* _REALTEK_H */