/* * Marvell 88E6xxx Switch PTP support * * Copyright (c) 2008 Marvell Semiconductor * * Copyright (c) 2017 National Instruments * Erik Hons * Brandon Streiff * Dane Wagner * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #ifndef _MV88E6XXX_PTP_H #define _MV88E6XXX_PTP_H #include "chip.h" /* Offset 0x00: TAI Global Config */ #define MV88E6XXX_TAI_CFG 0x00 #define MV88E6XXX_TAI_CFG_CAP_OVERWRITE 0x8000 #define MV88E6XXX_TAI_CFG_CAP_CTR_START 0x4000 #define MV88E6XXX_TAI_CFG_EVREQ_FALLING 0x2000 #define MV88E6XXX_TAI_CFG_TRIG_ACTIVE_LO 0x1000 #define MV88E6XXX_TAI_CFG_IRL_ENABLE 0x0400 #define MV88E6XXX_TAI_CFG_TRIG_IRQ_EN 0x0200 #define MV88E6XXX_TAI_CFG_EVREQ_IRQ_EN 0x0100 #define MV88E6XXX_TAI_CFG_TRIG_LOCK 0x0080 #define MV88E6XXX_TAI_CFG_BLOCK_UPDATE 0x0008 #define MV88E6XXX_TAI_CFG_MULTI_PTP 0x0004 #define MV88E6XXX_TAI_CFG_TRIG_MODE_ONESHOT 0x0002 #define MV88E6XXX_TAI_CFG_TRIG_ENABLE 0x0001 /* Offset 0x01: Timestamp Clock Period (ps) */ #define MV88E6XXX_TAI_CLOCK_PERIOD 0x01 /* Offset 0x02/0x03: Trigger Generation Amount */ #define MV88E6XXX_TAI_TRIG_GEN_AMOUNT_LO 0x02 #define MV88E6XXX_TAI_TRIG_GEN_AMOUNT_HI 0x03 /* Offset 0x04: Clock Compensation */ #define MV88E6XXX_TAI_TRIG_CLOCK_COMP 0x04 /* Offset 0x05: Trigger Configuration */ #define MV88E6XXX_TAI_TRIG_CFG 0x05 /* Offset 0x06: Ingress Rate Limiter Clock Generation Amount */ #define MV88E6XXX_TAI_IRL_AMOUNT 0x06 /* Offset 0x07: Ingress Rate Limiter Compensation */ #define MV88E6XXX_TAI_IRL_COMP 0x07 /* Offset 0x08: Ingress Rate Limiter Compensation */ #define MV88E6XXX_TAI_IRL_COMP_PS 0x08 /* Offset 0x09: Event Status */ #define MV88E6XXX_TAI_EVENT_STATUS 0x09 #define MV88E6XXX_TAI_EVENT_STATUS_CAP_TRIG 0x4000 #define MV88E6XXX_TAI_EVENT_STATUS_ERROR 0x0200 #define MV88E6XXX_TAI_EVENT_STATUS_VALID 0x0100 #define MV88E6XXX_TAI_EVENT_STATUS_CTR_MASK 0x00ff /* Offset 0x0A/0x0B: Event Time */ #define MV88E6XXX_TAI_EVENT_TIME_LO 0x0a #define MV88E6XXX_TAI_EVENT_TYPE_HI 0x0b /* Offset 0x0E/0x0F: PTP Global Time */ #define MV88E6XXX_TAI_TIME_LO 0x0e #define MV88E6XXX_TAI_TIME_HI 0x0f /* Offset 0x10/0x11: Trig Generation Time */ #define MV88E6XXX_TAI_TRIG_TIME_LO 0x10 #define MV88E6XXX_TAI_TRIG_TIME_HI 0x11 /* Offset 0x12: Lock Status */ #define MV88E6XXX_TAI_LOCK_STATUS 0x12 /* Offset 0x00: Ether Type */ #define MV88E6XXX_PTP_GC_ETYPE 0x00 /* 6165 Global Control Registers */ /* Offset 0x01: Message ID */ #define MV88E6XXX_PTP_GC_MESSAGE_ID 0x01 /* Offset 0x02: Time Stamp Arrive Time */ #define MV88E6XXX_PTP_GC_TS_ARR_PTR 0x02 /* Offset 0x03: Port Arrival Interrupt Enable */ #define MV88E6XXX_PTP_GC_PORT_ARR_INT_EN 0x03 /* Offset 0x04: Port Departure Interrupt Enable */ #define MV88E6XXX_PTP_GC_PORT_DEP_INT_EN 0x04 /* Offset 0x05: Configuration */ #define MV88E6XXX_PTP_GC_CONFIG 0x05 #define MV88E6XXX_PTP_GC_CONFIG_DIS_OVERWRITE BIT(1) #define MV88E6XXX_PTP_GC_CONFIG_DIS_TS BIT(0) /* Offset 0x8: Interrupt Status */ #define MV88E6XXX_PTP_GC_INT_STATUS 0x08 /* Offset 0x9/0xa: Global Time */ #define MV88E6XXX_PTP_GC_TIME_LO 0x09 #define MV88E6XXX_PTP_GC_TIME_HI 0x0A /* 6165 Per Port Registers */ /* Offset 0: Arrival Time 0 Status */ #define MV88E6165_PORT_PTP_ARR0_STS 0x00 /* Offset 0x01/0x02: PTP Arrival 0 Time */ #define MV88E6165_PORT_PTP_ARR0_TIME_LO 0x01 #define MV88E6165_PORT_PTP_ARR0_TIME_HI 0x02 /* Offset 0x03: PTP Arrival 0 Sequence ID */ #define MV88E6165_PORT_PTP_ARR0_SEQID 0x03 /* Offset 0x04: PTP Arrival 1 Status */ #define MV88E6165_PORT_PTP_ARR1_STS 0x04 /* Offset 0x05/0x6E: PTP Arrival 1 Time */ #define MV88E6165_PORT_PTP_ARR1_TIME_LO 0x05 #define MV88E6165_PORT_PTP_ARR1_TIME_HI 0x06 /* Offset 0x07: PTP Arrival 1 Sequence ID */ #define MV88E6165_PORT_PTP_ARR1_SEQID 0x07 /* Offset 0x08: PTP Departure Status */ #define MV88E6165_PORT_PTP_DEP_STS 0x08 /* Offset 0x09/0x0a: PTP Deperture Time */ #define MV88E6165_PORT_PTP_DEP_TIME_LO 0x09 #define MV88E6165_PORT_PTP_DEP_TIME_HI 0x0a /* Offset 0x0b: PTP Departure Sequence ID */ #define MV88E6165_PORT_PTP_DEP_SEQID 0x0b /* Offset 0x0d: Port Status */ #define MV88E6164_PORT_STATUS 0x0d #ifdef CONFIG_NET_DSA_MV88E6XXX_PTP long mv88e6xxx_hwtstamp_work(struct ptp_clock_info *ptp); int mv88e6xxx_ptp_setup(struct mv88e6xxx_chip *chip); void mv88e6xxx_ptp_free(struct mv88e6xxx_chip *chip); #define ptp_to_chip(ptp) container_of(ptp, struct mv88e6xxx_chip, \ ptp_clock_info) extern const struct mv88e6xxx_ptp_ops mv88e6352_ptp_ops; extern const struct mv88e6xxx_ptp_ops mv88e6165_ptp_ops; #else /* !CONFIG_NET_DSA_MV88E6XXX_PTP */ static inline long mv88e6xxx_hwtstamp_work(struct ptp_clock_info *ptp) { return -1; } static inline int mv88e6xxx_ptp_setup(struct mv88e6xxx_chip *chip) { return 0; } static inline void mv88e6xxx_ptp_free(struct mv88e6xxx_chip *chip) { } static const struct mv88e6xxx_ptp_ops mv88e6352_ptp_ops = {}; static const struct mv88e6xxx_ptp_ops mv88e6165_ptp_ops = {}; #endif /* CONFIG_NET_DSA_MV88E6XXX_PTP */ #endif /* _MV88E6XXX_PTP_H */