101 lines
4.3 KiB
C
101 lines
4.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright(c) 2022 - 2024 Mucse Corporation. */
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#ifndef __RNPGBE_PTP_H__
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#define __RNPGBE_PTP_H__
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struct rnpgbe_hwtimestamp {
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void (*config_hw_tstamping)(void __iomem *ioaddr, u32 data);
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void (*config_sub_second_increment)(void __iomem *ioaddr, u32 ptp_clock,
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int gmac4, u32 *ssinc);
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void (*config_mac_irq_enable)(void __iomem *ioaddr, bool on);
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int (*init_systime)(void __iomem *ioaddr, u32 sec, u32 nsec);
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int (*config_addend)(void __iomem *ioaddr, u32 addend);
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int (*adjust_systime)(void __iomem *ioaddr, u32 sec, u32 nsec,
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int add_sub, int gmac4);
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void (*get_systime)(void __iomem *ioaddr, u64 *systime);
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};
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/* IEEE 1588 PTP register offsets */
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#define PTP_TCR 0x00 /* Timestamp Control Reg */
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#define PTP_SSIR 0x04 /* Sub-Second Increment Reg */
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#define PTP_STSR 0x08 /* System Time – Seconds Regr */
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#define PTP_STNSR 0x0c /* System Time – Nanoseconds Reg */
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#define PTP_STSUR 0x10 /* System Time – Seconds Update Reg */
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#define PTP_STNSUR 0x14 /* System Time – Nanoseconds Update Reg */
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#define PTP_TAR 0x18 /* Timestamp Addend Reg */
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#define RNP_PTP_STNSUR_ADDSUB_SHIFT 31
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#define RNP_PTP_DIGITAL_ROLLOVER_MODE 0x3B9ACA00 /* 10e9-1 ns */
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#define RNP_PTP_BINARY_ROLLOVER_MODE 0x80000000 /* ~0.466 ns */
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/* PTP Timestamp control register defines */
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#define RNP_PTP_TCR_TSENA BIT(0) /*Timestamp Enable*/
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#define RNP_PTP_TCR_TSCFUPDT BIT(1) /* Timestamp Fine/Coarse Update */
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#define RNP_PTP_TCR_TSINIT BIT(2) /* Timestamp Initialize */
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#define RNP_PTP_TCR_TSUPDT BIT(3) /* Timestamp Update */
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#define RNP_PTP_TCR_TSTRIG BIT(4) /* Timestamp Interrupt Trigger Enable */
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#define RNP_PTP_TCR_TSADDREG BIT(5) /* Addend Reg Update */
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#define RNP_PTP_TCR_TSENALL BIT(8) /* Enable Timestamp for All Frames */
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#define RNP_PTP_TCR_TSCTRLSSR BIT(9) /* Digital or Binary Rollover Control */
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#define RNP_PTP_TCR_TSVER2ENA \
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BIT(10) /* Enable PTP packet Processing for Version 2 Format */
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#define RNP_PTP_TCR_TSIPENA \
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BIT(11) /* Enable Processing of PTP over Ethernet Frames */
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#define RNP_PTP_TCR_TSIPV6ENA \
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BIT(12) /* Enable Processing of PTP Frames Sent over IPv6-UDP */
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#define RNP_PTP_TCR_TSIPV4ENA \
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BIT(13) /* Enable Processing of PTP Frames Sent over IPv4-UDP */
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#define RNP_PTP_TCR_TSEVNTENA \
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BIT(14) /* Enable Timestamp Snapshot for Event Messages */
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#define RNP_PTP_TCR_TSMSTRENA \
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BIT(15) /* Enable Snapshot for Messages Relevant to Master */
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/* Note 802.1 AS Is work Over Ethernet FramesC_Sub_Second_Incremen
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* and Normal PTP Is work Oveer UDP
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*/
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/* Select PTP packets for Taking Snapshots
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* On mac specifically:
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* Enable SYNC, Pdelay_Req, Pdelay_Resp when TSEVNTENA is enabled.
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* or
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* Enable SYNC, Follow_Up, Delay_Req, Delay_Resp, Pdelay_Req, Pdelay_Resp,
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* Pdelay_Resp_Follow_Up if TSEVNTENA is disabled
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*/
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#define RNP_PTP_TCR_SNAPTYPSEL_1 BIT(16)
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#define RNP_PTP_TCR_TSENMACADDR \
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BIT(18) /* Enable MAC address for PTP Frame Filtering */
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#define RNP_PTP_TCR_ESTI \
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BIT(20) /* External System Time Input Or MAC Internal Clock*/
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#define RNP_PTP_TCR_AV8021ASMEN BIT(28) /* AV802.1 AS Mode Enable*/
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/* Sub Second increament define */
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#define RNP_PTP_SSIR_SSINC_MASK (0xff) /* Sub-second increment value */
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#define RNP_PTP_SSIR_SSINC_SHIFT (16) /* Sub-second increment offset */
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#define RNP_MAC_TXTSC BIT(15) /* TX timestamp reg is fill complete */
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#define RNP_MAC_TXTSSTSLO GENMASK(30, 0) /*nano second avalid value */
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#define RNP_RX_SEC_MASK GENMASK(30, 0)
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#define RNP_RX_NSEC_MASK GENMASK(30, 0)
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#define RNP_RX_TIME_RESERVE (8)
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#define RNP_RX_SEC_SIZE (4)
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#define RNP_RX_NANOSEC_SIZE (4)
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#define RNP_RX_HWTS_OFFSET \
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(RNP_RX_SEC_SIZE + RNP_RX_NANOSEC_SIZE + RNP_RX_TIME_RESERVE)
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#define PTP_HWTX_TIME_VALUE_MASK GENMASK(31, 0)
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#define PTP_GET_TX_HWTS_FINISH (1)
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#define PTP_GET_TX_HWTS_UPDATE (0)
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/* hardware ts can't so fake ts from the software clock */
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#define DEBUG_PTP_HARD_SOFTWAY
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int rnpgbe_ptp_get_ts_config(struct rnpgbe_adapter *pf, struct ifreq *ifr);
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int rnpgbe_ptp_set_ts_config(struct rnpgbe_adapter *pf, struct ifreq *ifr);
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int rnpgbe_ptp_register(struct rnpgbe_adapter *pf);
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void rnpgbe_ptp_unregister(struct rnpgbe_adapter *pf);
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void rnpgbe_ptp_get_rx_hwstamp(struct rnpgbe_adapter *pf,
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union rnpgbe_rx_desc *desc, struct sk_buff *skb);
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void rnpgbe_tx_hwtstamp_work(struct work_struct *work);
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void rnpgbe_ptp_reset(struct rnpgbe_adapter *adapter);
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#endif /* __RNPGBE_PTP_H__ */
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