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- /* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
- /*
- * DSA driver for:
- * Hirschmann Hellcreek TSN switch.
- *
- * Copyright (C) 2019,2020 Hochschule Offenburg
- * Copyright (C) 2019,2020 Linutronix GmbH
- * Authors: Kurt Kanzenbach <[email protected]>
- * Kamil Alkhouri <[email protected]>
- */
- #ifndef _HELLCREEK_HWTSTAMP_H_
- #define _HELLCREEK_HWTSTAMP_H_
- #include <net/dsa.h>
- #include "hellcreek.h"
- /* Timestamp Register */
- #define PR_TS_RX_P1_STATUS_C (0x1d * 2)
- #define PR_TS_RX_P1_DATA_C (0x1e * 2)
- #define PR_TS_TX_P1_STATUS_C (0x1f * 2)
- #define PR_TS_TX_P1_DATA_C (0x20 * 2)
- #define PR_TS_RX_P2_STATUS_C (0x25 * 2)
- #define PR_TS_RX_P2_DATA_C (0x26 * 2)
- #define PR_TS_TX_P2_STATUS_C (0x27 * 2)
- #define PR_TS_TX_P2_DATA_C (0x28 * 2)
- #define PR_TS_STATUS_TS_AVAIL BIT(2)
- #define PR_TS_STATUS_TS_LOST BIT(3)
- #define SKB_PTP_TYPE(__skb) (*(unsigned int *)((__skb)->cb))
- /* TX_TSTAMP_TIMEOUT: This limits the time spent polling for a TX
- * timestamp. When working properly, hardware will produce a timestamp
- * within 1ms. Software may enounter delays, so the timeout is set
- * accordingly.
- */
- #define TX_TSTAMP_TIMEOUT msecs_to_jiffies(40)
- int hellcreek_port_hwtstamp_set(struct dsa_switch *ds, int port,
- struct ifreq *ifr);
- int hellcreek_port_hwtstamp_get(struct dsa_switch *ds, int port,
- struct ifreq *ifr);
- bool hellcreek_port_rxtstamp(struct dsa_switch *ds, int port,
- struct sk_buff *clone, unsigned int type);
- void hellcreek_port_txtstamp(struct dsa_switch *ds, int port,
- struct sk_buff *skb);
- int hellcreek_get_ts_info(struct dsa_switch *ds, int port,
- struct ethtool_ts_info *info);
- long hellcreek_hwtstamp_work(struct ptp_clock_info *ptp);
- int hellcreek_hwtstamp_setup(struct hellcreek *chip);
- void hellcreek_hwtstamp_free(struct hellcreek *chip);
- #endif /* _HELLCREEK_HWTSTAMP_H_ */
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