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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /drivers/net/dsa/mv88e6xxx/ptp.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/ptp.h')
-rw-r--r--drivers/net/dsa/mv88e6xxx/ptp.h177
1 files changed, 177 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/ptp.h b/drivers/net/dsa/mv88e6xxx/ptp.h
new file mode 100644
index 000000000..269d5d16a
--- /dev/null
+++ b/drivers/net/dsa/mv88e6xxx/ptp.h
@@ -0,0 +1,177 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * 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>
+ */
+
+#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
+
+/* 6165 Global Control Registers */
+/* 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
+
+/* 6165 Per Port Registers */
+/* Offset 0: Arrival Time 0 Status */
+#define MV88E6165_PORT_PTP_ARR0_STS 0x00
+
+/* Offset 0x01/0x02: PTP Arrival 0 Time */
+#define MV88E6165_PORT_PTP_ARR0_TIME_LO 0x01
+#define MV88E6165_PORT_PTP_ARR0_TIME_HI 0x02
+
+/* Offset 0x03: PTP Arrival 0 Sequence ID */
+#define MV88E6165_PORT_PTP_ARR0_SEQID 0x03
+
+/* Offset 0x04: PTP Arrival 1 Status */
+#define MV88E6165_PORT_PTP_ARR1_STS 0x04
+
+/* Offset 0x05/0x6E: PTP Arrival 1 Time */
+#define MV88E6165_PORT_PTP_ARR1_TIME_LO 0x05
+#define MV88E6165_PORT_PTP_ARR1_TIME_HI 0x06
+
+/* Offset 0x07: PTP Arrival 1 Sequence ID */
+#define MV88E6165_PORT_PTP_ARR1_SEQID 0x07
+
+/* Offset 0x08: PTP Departure Status */
+#define MV88E6165_PORT_PTP_DEP_STS 0x08
+
+/* Offset 0x09/0x0a: PTP Deperture Time */
+#define MV88E6165_PORT_PTP_DEP_TIME_LO 0x09
+#define MV88E6165_PORT_PTP_DEP_TIME_HI 0x0a
+
+/* Offset 0x0b: PTP Departure Sequence ID */
+#define MV88E6165_PORT_PTP_DEP_SEQID 0x0b
+
+/* Offset 0x0d: Port Status */
+#define MV88E6164_PORT_STATUS 0x0d
+
+#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 mv88e6165_ptp_ops;
+extern const struct mv88e6xxx_ptp_ops mv88e6250_ptp_ops;
+extern const struct mv88e6xxx_ptp_ops mv88e6352_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 mv88e6165_ptp_ops = {};
+static const struct mv88e6xxx_ptp_ops mv88e6250_ptp_ops = {};
+static const struct mv88e6xxx_ptp_ops mv88e6352_ptp_ops = {};
+
+#endif /* CONFIG_NET_DSA_MV88E6XXX_PTP */
+
+#endif /* _MV88E6XXX_PTP_H */