summaryrefslogtreecommitdiffstats
path: root/drivers/net/dsa/realtek/realtek.h
blob: 4fa7c6ba874a5387065b56b4e446c90b27062fe5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
/* SPDX-License-Identifier: GPL-2.0+ */
/* Realtek SMI interface driver defines
 *
 * Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org>
 * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
 */

#ifndef _REALTEK_H
#define _REALTEK_H

#include <linux/phy.h>
#include <linux/platform_device.h>
#include <linux/gpio/consumer.h>
#include <net/dsa.h>

#define REALTEK_HW_STOP_DELAY		25	/* msecs */
#define REALTEK_HW_START_DELAY		100	/* msecs */

struct realtek_ops;
struct dentry;
struct inode;
struct file;

struct rtl8366_mib_counter {
	unsigned int	base;
	unsigned int	offset;
	unsigned int	length;
	const char	*name;
};

/*
 * struct rtl8366_vlan_mc - Virtual LAN member configuration
 */
struct rtl8366_vlan_mc {
	u16	vid;
	u16	untag;
	u16	member;
	u8	fid;
	u8	priority;
};

struct rtl8366_vlan_4k {
	u16	vid;
	u16	untag;
	u16	member;
	u8	fid;
};

struct realtek_priv {
	struct device		*dev;
	struct gpio_desc	*reset;
	struct gpio_desc	*mdc;
	struct gpio_desc	*mdio;
	struct regmap		*map;
	struct regmap		*map_nolock;
	struct mutex		map_lock;
	struct mii_bus		*slave_mii_bus;
	struct mii_bus		*bus;
	int			mdio_addr;

	unsigned int		clk_delay;
	u8			cmd_read;
	u8			cmd_write;
	spinlock_t		lock; /* Locks around command writes */
	struct dsa_switch	*ds;
	struct irq_domain	*irqdomain;
	bool			leds_disabled;

	unsigned int		cpu_port;
	unsigned int		num_ports;
	unsigned int		num_vlan_mc;
	unsigned int		num_mib_counters;
	struct rtl8366_mib_counter *mib_counters;

	const struct realtek_ops *ops;
	int			(*setup_interface)(struct dsa_switch *ds);
	int			(*write_reg_noack)(void *ctx, u32 addr, u32 data);

	int			vlan_enabled;
	int			vlan4k_enabled;

	char			buf[4096];
	void			*chip_data; /* Per-chip extra variant data */
};

/*
 * struct realtek_ops - vtable for the per-SMI-chiptype operations
 * @detect: detects the chiptype
 */
struct realtek_ops {
	int	(*detect)(struct realtek_priv *priv);
	int	(*reset_chip)(struct realtek_priv *priv);
	int	(*setup)(struct realtek_priv *priv);
	void	(*cleanup)(struct realtek_priv *priv);
	int	(*get_mib_counter)(struct realtek_priv *priv,
				   int port,
				   struct rtl8366_mib_counter *mib,
				   u64 *mibvalue);
	int	(*get_vlan_mc)(struct realtek_priv *priv, u32 index,
			       struct rtl8366_vlan_mc *vlanmc);
	int	(*set_vlan_mc)(struct realtek_priv *priv, u32 index,
			       const struct rtl8366_vlan_mc *vlanmc);
	int	(*get_vlan_4k)(struct realtek_priv *priv, u32 vid,
			       struct rtl8366_vlan_4k *vlan4k);
	int	(*set_vlan_4k)(struct realtek_priv *priv,
			       const struct rtl8366_vlan_4k *vlan4k);
	int	(*get_mc_index)(struct realtek_priv *priv, int port, int *val);
	int	(*set_mc_index)(struct realtek_priv *priv, int port, int index);
	bool	(*is_vlan_valid)(struct realtek_priv *priv, unsigned int vlan);
	int	(*enable_vlan)(struct realtek_priv *priv, bool enable);
	int	(*enable_vlan4k)(struct realtek_priv *priv, bool enable);
	int	(*enable_port)(struct realtek_priv *priv, int port, bool enable);
	int	(*phy_read)(struct realtek_priv *priv, int phy, int regnum);
	int	(*phy_write)(struct realtek_priv *priv, int phy, int regnum,
			     u16 val);
};

struct realtek_variant {
	const struct dsa_switch_ops *ds_ops_smi;
	const struct dsa_switch_ops *ds_ops_mdio;
	const struct realtek_ops *ops;
	unsigned int clk_delay;
	u8 cmd_read;
	u8 cmd_write;
	size_t chip_data_sz;
};

/* RTL8366 library helpers */
int rtl8366_mc_is_used(struct realtek_priv *priv, int mc_index, int *used);
int rtl8366_set_vlan(struct realtek_priv *priv, int vid, u32 member,
		     u32 untag, u32 fid);
int rtl8366_set_pvid(struct realtek_priv *priv, unsigned int port,
		     unsigned int vid);
int rtl8366_enable_vlan4k(struct realtek_priv *priv, bool enable);
int rtl8366_enable_vlan(struct realtek_priv *priv, bool enable);
int rtl8366_reset_vlan(struct realtek_priv *priv);
int rtl8366_vlan_add(struct dsa_switch *ds, int port,
		     const struct switchdev_obj_port_vlan *vlan,
		     struct netlink_ext_ack *extack);
int rtl8366_vlan_del(struct dsa_switch *ds, int port,
		     const struct switchdev_obj_port_vlan *vlan);
void rtl8366_get_strings(struct dsa_switch *ds, int port, u32 stringset,
			 uint8_t *data);
int rtl8366_get_sset_count(struct dsa_switch *ds, int port, int sset);
void rtl8366_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data);

extern const struct realtek_variant rtl8366rb_variant;
extern const struct realtek_variant rtl8365mb_variant;

#endif /*  _REALTEK_H */