xref: /openbmc/linux/include/linux/dsa/lan9303.h (revision b17c6b1f)
1 /* Included by drivers/net/dsa/lan9303.h and net/dsa/tag_lan9303.c */
2 #include <linux/if_ether.h>
3 
4 struct lan9303;
5 
6 struct lan9303_phy_ops {
7 	/* PHY 1 and 2 access*/
8 	int	(*phy_read)(struct lan9303 *chip, int port, int regnum);
9 	int	(*phy_write)(struct lan9303 *chip, int port,
10 			     int regnum, u16 val);
11 };
12 
13 #define LAN9303_NUM_ALR_RECORDS 512
14 struct lan9303_alr_cache_entry {
15 	u8  mac_addr[ETH_ALEN];
16 	u8  port_map;         /* Bitmap of ports. Zero if unused entry */
17 	u8  stp_override;     /* non zero if set LAN9303_ALR_DAT1_AGE_OVERRID */
18 };
19 
20 struct lan9303 {
21 	struct device *dev;
22 	struct regmap *regmap;
23 	struct regmap_irq_chip_data *irq_data;
24 	struct gpio_desc *reset_gpio;
25 	u32 reset_duration; /* in [ms] */
26 	int phy_addr_base;
27 	struct dsa_switch *ds;
28 	struct mutex indirect_mutex; /* protect indexed register access */
29 	struct mutex alr_mutex; /* protect ALR access */
30 	const struct lan9303_phy_ops *ops;
31 	bool is_bridged; /* true if port 1 and 2 are bridged */
32 
33 	/* remember LAN9303_SWE_PORT_STATE while not bridged */
34 	u32 swe_port_state;
35 	/* LAN9303 do not offer reading specific ALR entry. Cache all
36 	 * static entries in a flat table
37 	 **/
38 	struct lan9303_alr_cache_entry alr_cache[LAN9303_NUM_ALR_RECORDS];
39 };
40