xref: /openbmc/linux/drivers/net/dsa/ocelot/felix.h (revision 99a15348)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright 2019 NXP
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 #define FELIX_MAC_QUIRKS		OCELOT_QUIRK_PCS_PERFORMS_RATE_ADAPTATION
9 
10 #define OCELOT_PORT_MODE_INTERNAL	BIT(0)
11 #define OCELOT_PORT_MODE_SGMII		BIT(1)
12 #define OCELOT_PORT_MODE_QSGMII		BIT(2)
13 #define OCELOT_PORT_MODE_2500BASEX	BIT(3)
14 #define OCELOT_PORT_MODE_USXGMII	BIT(4)
15 
16 /* Platform-specific information */
17 struct felix_info {
18 	const struct resource		*target_io_res;
19 	const struct resource		*port_io_res;
20 	const struct resource		*imdio_res;
21 	const struct reg_field		*regfields;
22 	const u32 *const		*map;
23 	const struct ocelot_ops		*ops;
24 	const u32			*port_modes;
25 	int				num_mact_rows;
26 	const struct ocelot_stat_layout	*stats_layout;
27 	unsigned int			num_stats;
28 	int				num_ports;
29 	int				num_tx_queues;
30 	struct vcap_props		*vcap;
31 	u16				vcap_pol_base;
32 	u16				vcap_pol_max;
33 	u16				vcap_pol_base2;
34 	u16				vcap_pol_max2;
35 	const struct ptp_clock_info	*ptp_caps;
36 
37 	/* Some Ocelot switches are integrated into the SoC without the
38 	 * extraction IRQ line connected to the ARM GIC. By enabling this
39 	 * workaround, the few packets that are delivered to the CPU port
40 	 * module (currently only PTP) are copied not only to the hardware CPU
41 	 * port module, but also to the 802.1Q Ethernet CPU port, and polling
42 	 * the extraction registers is triggered once the DSA tagger sees a PTP
43 	 * frame. The Ethernet frame is only used as a notification: it is
44 	 * dropped, and the original frame is extracted over MMIO and annotated
45 	 * with the RX timestamp.
46 	 */
47 	bool				quirk_no_xtr_irq;
48 
49 	int	(*mdio_bus_alloc)(struct ocelot *ocelot);
50 	void	(*mdio_bus_free)(struct ocelot *ocelot);
51 	void	(*phylink_validate)(struct ocelot *ocelot, int port,
52 				    unsigned long *supported,
53 				    struct phylink_link_state *state);
54 	int	(*port_setup_tc)(struct dsa_switch *ds, int port,
55 				 enum tc_setup_type type, void *type_data);
56 	void	(*port_sched_speed_set)(struct ocelot *ocelot, int port,
57 					u32 speed);
58 	struct regmap *(*init_regmap)(struct ocelot *ocelot,
59 				      struct resource *res);
60 };
61 
62 extern const struct dsa_switch_ops felix_switch_ops;
63 
64 /* DSA glue / front-end for struct ocelot */
65 struct felix {
66 	struct dsa_switch		*ds;
67 	const struct felix_info		*info;
68 	struct ocelot			ocelot;
69 	struct mii_bus			*imdio;
70 	struct phylink_pcs		**pcs;
71 	resource_size_t			switch_base;
72 	resource_size_t			imdio_base;
73 	enum dsa_tag_protocol		tag_proto;
74 	struct kthread_worker		*xmit_worker;
75 };
76 
77 struct net_device *felix_port_to_netdev(struct ocelot *ocelot, int port);
78 int felix_netdev_to_port(struct net_device *dev);
79 
80 #endif
81