Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 178 insertions, 0 deletions

diff --git a/drivers/net/dsa/mv88e6xxx/hwtstamp.h b/drivers/net/dsa/mv88e6xxx/hwtstamp.h
new file mode 100644
index 000000000..9da9f197b
--- /dev/null
+++ b/drivers/net/dsa/mv88e6xxx/hwtstamp.h
@@ -0,0 +1,178 @@
+/* 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 */