179 lines
5.5 KiB
C
179 lines
5.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Marvell 88E6xxx Switch hardware timestamping 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>
|
|
*/
|
|
|
|
#ifndef _MV88E6XXX_HWTSTAMP_H
|
|
#define _MV88E6XXX_HWTSTAMP_H
|
|
|
|
#include "chip.h"
|
|
|
|
/* Global 6352 PTP registers */
|
|
/* Offset 0x00: PTP EtherType */
|
|
#define MV88E6XXX_PTP_ETHERTYPE 0x00
|
|
|
|
/* Offset 0x01: Message Type Timestamp Enables */
|
|
#define MV88E6XXX_PTP_MSGTYPE 0x01
|
|
#define MV88E6XXX_PTP_MSGTYPE_SYNC 0x0001
|
|
#define MV88E6XXX_PTP_MSGTYPE_DELAY_REQ 0x0002
|
|
#define MV88E6XXX_PTP_MSGTYPE_PDLAY_REQ 0x0004
|
|
#define MV88E6XXX_PTP_MSGTYPE_PDLAY_RES 0x0008
|
|
#define MV88E6XXX_PTP_MSGTYPE_ALL_EVENT 0x000f
|
|
|
|
/* Offset 0x02: Timestamp Arrival Capture Pointers */
|
|
#define MV88E6XXX_PTP_TS_ARRIVAL_PTR 0x02
|
|
|
|
/* Offset 0x05: PTP Global Configuration */
|
|
#define MV88E6165_PTP_CFG 0x05
|
|
#define MV88E6165_PTP_CFG_TSPEC_MASK 0xf000
|
|
#define MV88E6165_PTP_CFG_DISABLE_TS_OVERWRITE BIT(1)
|
|
#define MV88E6165_PTP_CFG_DISABLE_PTP BIT(0)
|
|
|
|
/* Offset 0x07: PTP Global Configuration */
|
|
#define MV88E6341_PTP_CFG 0x07
|
|
#define MV88E6341_PTP_CFG_UPDATE 0x8000
|
|
#define MV88E6341_PTP_CFG_IDX_MASK 0x7f00
|
|
#define MV88E6341_PTP_CFG_DATA_MASK 0x00ff
|
|
#define MV88E6341_PTP_CFG_MODE_IDX 0x0
|
|
#define MV88E6341_PTP_CFG_MODE_TS_AT_PHY 0x00
|
|
#define MV88E6341_PTP_CFG_MODE_TS_AT_MAC 0x80
|
|
|
|
/* Offset 0x08: PTP Interrupt Status */
|
|
#define MV88E6XXX_PTP_IRQ_STATUS 0x08
|
|
|
|
/* Per-Port 6352 PTP Registers */
|
|
/* Offset 0x00: PTP Configuration 0 */
|
|
#define MV88E6XXX_PORT_PTP_CFG0 0x00
|
|
#define MV88E6XXX_PORT_PTP_CFG0_TSPEC_SHIFT 12
|
|
#define MV88E6XXX_PORT_PTP_CFG0_TSPEC_MASK 0xf000
|
|
#define MV88E6XXX_PORT_PTP_CFG0_TSPEC_1588 0x0000
|
|
#define MV88E6XXX_PORT_PTP_CFG0_TSPEC_8021AS 0x1000
|
|
#define MV88E6XXX_PORT_PTP_CFG0_DISABLE_TSPEC_MATCH 0x0800
|
|
#define MV88E6XXX_PORT_PTP_CFG0_DISABLE_OVERWRITE 0x0002
|
|
#define MV88E6XXX_PORT_PTP_CFG0_DISABLE_PTP 0x0001
|
|
|
|
/* Offset 0x01: PTP Configuration 1 */
|
|
#define MV88E6XXX_PORT_PTP_CFG1 0x01
|
|
|
|
/* Offset 0x02: PTP Configuration 2 */
|
|
#define MV88E6XXX_PORT_PTP_CFG2 0x02
|
|
#define MV88E6XXX_PORT_PTP_CFG2_EMBED_ARRIVAL 0x1000
|
|
#define MV88E6XXX_PORT_PTP_CFG2_DEP_IRQ_EN 0x0002
|
|
#define MV88E6XXX_PORT_PTP_CFG2_ARR_IRQ_EN 0x0001
|
|
|
|
/* Offset 0x03: PTP LED Configuration */
|
|
#define MV88E6XXX_PORT_PTP_LED_CFG 0x03
|
|
|
|
/* Offset 0x08: PTP Arrival 0 Status */
|
|
#define MV88E6XXX_PORT_PTP_ARR0_STS 0x08
|
|
|
|
/* Offset 0x09/0x0A: PTP Arrival 0 Time */
|
|
#define MV88E6XXX_PORT_PTP_ARR0_TIME_LO 0x09
|
|
#define MV88E6XXX_PORT_PTP_ARR0_TIME_HI 0x0a
|
|
|
|
/* Offset 0x0B: PTP Arrival 0 Sequence ID */
|
|
#define MV88E6XXX_PORT_PTP_ARR0_SEQID 0x0b
|
|
|
|
/* Offset 0x0C: PTP Arrival 1 Status */
|
|
#define MV88E6XXX_PORT_PTP_ARR1_STS 0x0c
|
|
|
|
/* Offset 0x0D/0x0E: PTP Arrival 1 Time */
|
|
#define MV88E6XXX_PORT_PTP_ARR1_TIME_LO 0x0d
|
|
#define MV88E6XXX_PORT_PTP_ARR1_TIME_HI 0x0e
|
|
|
|
/* Offset 0x0F: PTP Arrival 1 Sequence ID */
|
|
#define MV88E6XXX_PORT_PTP_ARR1_SEQID 0x0f
|
|
|
|
/* Offset 0x10: PTP Departure Status */
|
|
#define MV88E6XXX_PORT_PTP_DEP_STS 0x10
|
|
|
|
/* Offset 0x11/0x12: PTP Deperture Time */
|
|
#define MV88E6XXX_PORT_PTP_DEP_TIME_LO 0x11
|
|
#define MV88E6XXX_PORT_PTP_DEP_TIME_HI 0x12
|
|
|
|
/* Offset 0x13: PTP Departure Sequence ID */
|
|
#define MV88E6XXX_PORT_PTP_DEP_SEQID 0x13
|
|
|
|
/* Status fields for arrival and depature timestamp status registers */
|
|
#define MV88E6XXX_PTP_TS_STATUS_MASK 0x0006
|
|
#define MV88E6XXX_PTP_TS_STATUS_NORMAL 0x0000
|
|
#define MV88E6XXX_PTP_TS_STATUS_OVERWITTEN 0x0002
|
|
#define MV88E6XXX_PTP_TS_STATUS_DISCARDED 0x0004
|
|
#define MV88E6XXX_PTP_TS_VALID 0x0001
|
|
|
|
#ifdef CONFIG_NET_DSA_MV88E6XXX_PTP
|
|
|
|
int mv88e6xxx_port_hwtstamp_set(struct dsa_switch *ds, int port,
|
|
struct ifreq *ifr);
|
|
int mv88e6xxx_port_hwtstamp_get(struct dsa_switch *ds, int port,
|
|
struct ifreq *ifr);
|
|
|
|
bool mv88e6xxx_port_rxtstamp(struct dsa_switch *ds, int port,
|
|
struct sk_buff *clone, unsigned int type);
|
|
bool mv88e6xxx_port_txtstamp(struct dsa_switch *ds, int port,
|
|
struct sk_buff *clone, unsigned int type);
|
|
|
|
int mv88e6xxx_get_ts_info(struct dsa_switch *ds, int port,
|
|
struct ethtool_ts_info *info);
|
|
|
|
int mv88e6xxx_hwtstamp_setup(struct mv88e6xxx_chip *chip);
|
|
void mv88e6xxx_hwtstamp_free(struct mv88e6xxx_chip *chip);
|
|
int mv88e6352_hwtstamp_port_enable(struct mv88e6xxx_chip *chip, int port);
|
|
int mv88e6352_hwtstamp_port_disable(struct mv88e6xxx_chip *chip, int port);
|
|
int mv88e6165_global_enable(struct mv88e6xxx_chip *chip);
|
|
int mv88e6165_global_disable(struct mv88e6xxx_chip *chip);
|
|
|
|
#else /* !CONFIG_NET_DSA_MV88E6XXX_PTP */
|
|
|
|
static inline int mv88e6xxx_port_hwtstamp_set(struct dsa_switch *ds,
|
|
int port, struct ifreq *ifr)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int mv88e6xxx_port_hwtstamp_get(struct dsa_switch *ds,
|
|
int port, struct ifreq *ifr)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline bool mv88e6xxx_port_rxtstamp(struct dsa_switch *ds, int port,
|
|
struct sk_buff *clone,
|
|
unsigned int type)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static inline bool mv88e6xxx_port_txtstamp(struct dsa_switch *ds, int port,
|
|
struct sk_buff *clone,
|
|
unsigned int type)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static inline int mv88e6xxx_get_ts_info(struct dsa_switch *ds, int port,
|
|
struct ethtool_ts_info *info)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int mv88e6xxx_hwtstamp_setup(struct mv88e6xxx_chip *chip)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void mv88e6xxx_hwtstamp_free(struct mv88e6xxx_chip *chip)
|
|
{
|
|
}
|
|
|
|
#endif /* CONFIG_NET_DSA_MV88E6XXX_PTP */
|
|
|
|
#endif /* _MV88E6XXX_HWTSTAMP_H */
|