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

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/* SPDX-License-Identifier: GPL-2.0+ */
#ifndef __LAN966X_MAIN_H__
#define __LAN966X_MAIN_H__
#include "lan966x_regs.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_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;
};
struct lan966x_port {
struct lan966x *lan966x;
u8 chip_port;
u16 pvid;
};
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__ */