xref: /linux/drivers/net/dsa/ocelot/felix.h (revision de73b5a97bba1538f065e1e90d8eeac399db7510)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright 2019 NXP Semiconductors
3  */
4 #ifndef _MSCC_FELIX_H
5 #define _MSCC_FELIX_H
6 
7 #define ocelot_to_felix(o)		container_of((o), struct felix, ocelot)
8 
9 /* Platform-specific information */
10 struct felix_info {
11 	const struct resource		*target_io_res;
12 	const struct resource		*port_io_res;
13 	const struct resource		*imdio_res;
14 	const struct reg_field		*regfields;
15 	const u32 *const		*map;
16 	const struct ocelot_ops		*ops;
17 	int				num_mact_rows;
18 	const struct ocelot_stat_layout	*stats_layout;
19 	unsigned int			num_stats;
20 	int				num_ports;
21 	int				num_tx_queues;
22 	struct vcap_props		*vcap;
23 	int				switch_pci_bar;
24 	int				imdio_pci_bar;
25 	const struct ptp_clock_info	*ptp_caps;
26 
27 	/* Some Ocelot switches are integrated into the SoC without the
28 	 * extraction IRQ line connected to the ARM GIC. By enabling this
29 	 * workaround, the few packets that are delivered to the CPU port
30 	 * module (currently only PTP) are copied not only to the hardware CPU
31 	 * port module, but also to the 802.1Q Ethernet CPU port, and polling
32 	 * the extraction registers is triggered once the DSA tagger sees a PTP
33 	 * frame. The Ethernet frame is only used as a notification: it is
34 	 * dropped, and the original frame is extracted over MMIO and annotated
35 	 * with the RX timestamp.
36 	 */
37 	bool				quirk_no_xtr_irq;
38 
39 	int	(*mdio_bus_alloc)(struct ocelot *ocelot);
40 	void	(*mdio_bus_free)(struct ocelot *ocelot);
41 	void	(*phylink_validate)(struct ocelot *ocelot, int port,
42 				    unsigned long *supported,
43 				    struct phylink_link_state *state);
44 	int	(*prevalidate_phy_mode)(struct ocelot *ocelot, int port,
45 					phy_interface_t phy_mode);
46 	int	(*port_setup_tc)(struct dsa_switch *ds, int port,
47 				 enum tc_setup_type type, void *type_data);
48 	void	(*port_sched_speed_set)(struct ocelot *ocelot, int port,
49 					u32 speed);
50 };
51 
52 extern const struct dsa_switch_ops felix_switch_ops;
53 
54 /* DSA glue / front-end for struct ocelot */
55 struct felix {
56 	struct dsa_switch		*ds;
57 	const struct felix_info		*info;
58 	struct ocelot			ocelot;
59 	struct mii_bus			*imdio;
60 	struct lynx_pcs			**pcs;
61 	resource_size_t			switch_base;
62 	resource_size_t			imdio_base;
63 	struct dsa_8021q_context	*dsa_8021q_ctx;
64 	enum dsa_tag_protocol		tag_proto;
65 };
66 
67 struct net_device *felix_port_to_netdev(struct ocelot *ocelot, int port);
68 int felix_netdev_to_port(struct net_device *dev);
69 
70 #endif
71