| /* |
| * Marvell 88E6xxx Switch PTP support |
| * |
| * Copyright (c) 2008 Marvell Semiconductor |
| * |
| * Copyright (c) 2017 National Instruments |
| * Erik Hons <erik.hons@ni.com> |
| * Brandon Streiff <brandon.streiff@ni.com> |
| * Dane Wagner <dane.wagner@ni.com> |
| * |
| * 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 |
| |
| /* 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 |
| |
| #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 */ |