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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright 2019 NXP
*/
#ifndef _MSCC_FELIX_H
#define _MSCC_FELIX_H
#define ocelot_to_felix(o) container_of((o), struct felix, ocelot)
#define FELIX_MAC_QUIRKS OCELOT_QUIRK_PCS_PERFORMS_RATE_ADAPTATION
#define OCELOT_PORT_MODE_NONE 0
#define OCELOT_PORT_MODE_INTERNAL BIT(0)
#define OCELOT_PORT_MODE_SGMII BIT(1)
#define OCELOT_PORT_MODE_QSGMII BIT(2)
#define OCELOT_PORT_MODE_2500BASEX BIT(3)
#define OCELOT_PORT_MODE_USXGMII BIT(4)
#define OCELOT_PORT_MODE_1000BASEX BIT(5)
struct device_node;
/* Platform-specific information */
struct felix_info {
/* Hardcoded resources provided by the hardware instantiation. */
const struct resource *resources;
size_t num_resources;
/* Names of the mandatory resources that will be requested during
* probe. Must have TARGET_MAX elements, since it is indexed by target.
*/
const char *const *resource_names;
const struct reg_field *regfields;
const u32 *const *map;
const struct ocelot_ops *ops;
const u32 *port_modes;
int num_mact_rows;
int num_ports;
struct vcap_props *vcap;
u16 vcap_pol_base;
u16 vcap_pol_max;
u16 vcap_pol_base2;
u16 vcap_pol_max2;
const struct ptp_clock_info *ptp_caps;
unsigned long quirks;
/* Some Ocelot switches are integrated into the SoC without the
* extraction IRQ line connected to the ARM GIC. By enabling this
* workaround, the few packets that are delivered to the CPU port
* module (currently only PTP) are copied not only to the hardware CPU
* port module, but also to the 802.1Q Ethernet CPU port, and polling
* the extraction registers is triggered once the DSA tagger sees a PTP
* frame. The Ethernet frame is only used as a notification: it is
* dropped, and the original frame is extracted over MMIO and annotated
* with the RX timestamp.
*/
bool quirk_no_xtr_irq;
int (*mdio_bus_alloc)(struct ocelot *ocelot);
void (*mdio_bus_free)(struct ocelot *ocelot);
int (*port_setup_tc)(struct dsa_switch *ds, int port,
enum tc_setup_type type, void *type_data);
void (*port_sched_speed_set)(struct ocelot *ocelot, int port,
u32 speed);
void (*phylink_mac_config)(struct ocelot *ocelot, int port,
unsigned int mode,
const struct phylink_link_state *state);
int (*configure_serdes)(struct ocelot *ocelot, int port,
struct device_node *portnp);
int (*request_irq)(struct ocelot *ocelot);
};
/* Methods for initializing the hardware resources specific to a tagging
* protocol (like the NPI port, for "ocelot" or "seville", or the VCAP TCAMs,
* for "ocelot-8021q").
* It is important that the resources configured here do not have side effects
* for the other tagging protocols. If that is the case, their configuration
* needs to go to felix_tag_proto_setup_shared().
*/
struct felix_tag_proto_ops {
int (*setup)(struct dsa_switch *ds);
void (*teardown)(struct dsa_switch *ds);
unsigned long (*get_host_fwd_mask)(struct dsa_switch *ds);
int (*change_conduit)(struct dsa_switch *ds, int port,
struct net_device *conduit,
struct netlink_ext_ack *extack);
};
/* DSA glue / front-end for struct ocelot */
struct felix {
struct dsa_switch *ds;
const struct felix_info *info;
struct ocelot ocelot;
struct mii_bus *imdio;
struct phylink_pcs **pcs;
resource_size_t switch_base;
enum dsa_tag_protocol tag_proto;
const struct felix_tag_proto_ops *tag_proto_ops;
struct kthread_worker *xmit_worker;
unsigned long host_flood_uc_mask;
unsigned long host_flood_mc_mask;
};
int felix_register_switch(struct device *dev, resource_size_t switch_base,
int num_flooding_pgids, bool ptp,
bool mm_supported,
enum dsa_tag_protocol init_tag_proto,
const struct felix_info *info);
struct net_device *felix_port_to_netdev(struct ocelot *ocelot, int port);
int felix_netdev_to_port(struct net_device *dev);
#endif
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