linux-stable/drivers/net/ethernet/microchip/lan966x/lan966x_main.h

/* SPDX-License-Identifier: GPL-2.0+ */

#ifndef __LAN966X_MAIN_H__
#define __LAN966X_MAIN_H__

#include <linux/etherdevice.h>
#include <linux/phy.h>
#include <linux/phylink.h>

#include "lan966x_regs.h"
#include "lan966x_ifh.h"

#define LAN966X_BUFFER_CELL_SZ		64
#define LAN966X_BUFFER_MEMORY		(160 * 1024)
#define LAN966X_BUFFER_MIN_SZ		60

#define PGID_AGGR			64
#define PGID_SRC			80
#define PGID_ENTRIES			89

#define PORT_PVID			0

/* Reserved amount for (SRC, PRIO) at index 8*SRC + PRIO */
#define QSYS_Q_RSRV			95

/* Reserved PGIDs */
#define PGID_CPU			(PGID_AGGR - 6)
#define PGID_UC				(PGID_AGGR - 5)
#define PGID_BC				(PGID_AGGR - 4)
#define PGID_MC				(PGID_AGGR - 3)
#define PGID_MCIPV4			(PGID_AGGR - 2)
#define PGID_MCIPV6			(PGID_AGGR - 1)

#define LAN966X_SPEED_NONE		0
#define LAN966X_SPEED_2500		1
#define LAN966X_SPEED_1000		1
#define LAN966X_SPEED_100		2
#define LAN966X_SPEED_10		3

#define CPU_PORT			8

struct lan966x_port;

struct lan966x {
	struct device *dev;

	u8 num_phys_ports;
	struct lan966x_port **ports;

	void __iomem *regs[NUM_TARGETS];

	int shared_queue_sz;

	/* interrupts */
	int xtr_irq;
};

struct lan966x_port_config {
	phy_interface_t portmode;
	const unsigned long *advertising;
	int speed;
	int duplex;
	u32 pause;
	bool inband;
	bool autoneg;
};

struct lan966x_port {
	struct net_device *dev;
	struct lan966x *lan966x;

	u8 chip_port;
	u16 pvid;

	struct phylink_config phylink_config;
	struct phylink_pcs phylink_pcs;
	struct lan966x_port_config config;
	struct phylink *phylink;
	struct phy *serdes;
	struct fwnode_handle *fwnode;
};

extern const struct phylink_mac_ops lan966x_phylink_mac_ops;
extern const struct phylink_pcs_ops lan966x_phylink_pcs_ops;

void lan966x_port_config_down(struct lan966x_port *port);
void lan966x_port_config_up(struct lan966x_port *port);
void lan966x_port_status_get(struct lan966x_port *port,
			     struct phylink_link_state *state);
int lan966x_port_pcs_set(struct lan966x_port *port,
			 struct lan966x_port_config *config);
void lan966x_port_init(struct lan966x_port *port);

static inline void __iomem *lan_addr(void __iomem *base[],
				     int id, int tinst, int tcnt,
				     int gbase, int ginst,
				     int gcnt, int gwidth,
				     int raddr, int rinst,
				     int rcnt, int rwidth)
{
	WARN_ON((tinst) >= tcnt);
	WARN_ON((ginst) >= gcnt);
	WARN_ON((rinst) >= rcnt);
	return base[id + (tinst)] +
		gbase + ((ginst) * gwidth) +
		raddr + ((rinst) * rwidth);
}

static inline u32 lan_rd(struct lan966x *lan966x, int id, int tinst, int tcnt,
			 int gbase, int ginst, int gcnt, int gwidth,
			 int raddr, int rinst, int rcnt, int rwidth)
{
	return readl(lan_addr(lan966x->regs, id, tinst, tcnt, gbase, ginst,
			      gcnt, gwidth, raddr, rinst, rcnt, rwidth));
}

static inline void lan_wr(u32 val, struct lan966x *lan966x,
			  int id, int tinst, int tcnt,
			  int gbase, int ginst, int gcnt, int gwidth,
			  int raddr, int rinst, int rcnt, int rwidth)
{
	writel(val, lan_addr(lan966x->regs, id, tinst, tcnt,
			     gbase, ginst, gcnt, gwidth,
			     raddr, rinst, rcnt, rwidth));
}

static inline void lan_rmw(u32 val, u32 mask, struct lan966x *lan966x,
			   int id, int tinst, int tcnt,
			   int gbase, int ginst, int gcnt, int gwidth,
			   int raddr, int rinst, int rcnt, int rwidth)
{
	u32 nval;

	nval = readl(lan_addr(lan966x->regs, id, tinst, tcnt, gbase, ginst,
			      gcnt, gwidth, raddr, rinst, rcnt, rwidth));
	nval = (nval & ~mask) | (val & mask);
	writel(nval, lan_addr(lan966x->regs, id, tinst, tcnt, gbase, ginst,
			      gcnt, gwidth, raddr, rinst, rcnt, rwidth));
}

#endif /* __LAN966X_MAIN_H__ */