Add testptp for TGPIO testing (Infra) (#1249)

* Add testptp for tgpio testing

* Add requirement for testptp to only be built on amd64

providers/base/src/EXECUTABLES

@@ -2,3 +2,4 @@ alsa_test
 clocktest
 threaded_memtest
 ptrace_test
+testptp

providers/base/src/Makefile

@@ -1,9 +1,13 @@
 .PHONY:
-all: alsa_test clocktest threaded_memtest ptrace_test
+all: alsa_test clocktest threaded_memtest ptrace_test testptp
+
+ifeq ($(shell uname -m), x86_64)
+all: testptp
+endif
 
 .PHONY: clean
 clean:
-	rm -f alsa_test clocktest threaded_memtest ptrace_test
+	rm -f alsa_test clocktest threaded_memtest ptrace_test testptp
 
 threaded_memtest: CFLAGS += -pthread
 threaded_memtest: CFLAGS += -Wno-unused-but-set-variable

providers/base/src/ptp_clock.h

@@ -0,0 +1,244 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * PTP 1588 clock support - user space interface
+ *
+ * Copyright (C) 2010 OMICRON electronics GmbH
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _PTP_CLOCK_H_
+#define _PTP_CLOCK_H_
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+/*
+ * Bits of the ptp_extts_request.flags field:
+ */
+#define PTP_ENABLE_FEATURE (1<<0)
+#define PTP_RISING_EDGE    (1<<1)
+#define PTP_FALLING_EDGE   (1<<2)
+#define PTP_STRICT_FLAGS   (1<<3)
+#define PTP_EXT_OFFSET     (1<<4)
+#define PTP_EXTTS_EDGES    (PTP_RISING_EDGE | PTP_FALLING_EDGE)
+
+/*
+ * flag fields valid for the new PTP_EXTTS_REQUEST2 ioctl.
+ */
+#define PTP_EXTTS_VALID_FLAGS	(PTP_ENABLE_FEATURE |	\
+				 PTP_RISING_EDGE |	\
+				 PTP_FALLING_EDGE |	\
+				 PTP_STRICT_FLAGS |	\
+				 PTP_EXT_OFFSET)
+
+/*
+ * flag fields valid for the original PTP_EXTTS_REQUEST ioctl.
+ * DO NOT ADD NEW FLAGS HERE.
+ */
+#define PTP_EXTTS_V1_VALID_FLAGS	(PTP_ENABLE_FEATURE |	\
+					 PTP_RISING_EDGE |	\
+					 PTP_FALLING_EDGE)
+
+/*
+ * flag fields valid for the ptp_extts_event report.
+ */
+#define PTP_EXTTS_EVENT_VALID	(PTP_ENABLE_FEATURE)
+
+/*
+ * Bits of the ptp_perout_request.flags field:
+ */
+#define PTP_PEROUT_ONE_SHOT		(1<<0)
+#define PTP_PEROUT_DUTY_CYCLE		(1<<1)
+#define PTP_PEROUT_PHASE		(1<<2)
+
+/*
+ * flag fields valid for the new PTP_PEROUT_REQUEST2 ioctl.
+ */
+#define PTP_PEROUT_VALID_FLAGS		(PTP_PEROUT_ONE_SHOT | \
+					 PTP_PEROUT_DUTY_CYCLE | \
+					 PTP_PEROUT_PHASE)
+
+/*
+ * No flags are valid for the original PTP_PEROUT_REQUEST ioctl
+ */
+#define PTP_PEROUT_V1_VALID_FLAGS	(0)
+
+/*
+ * struct ptp_clock_time - represents a time value
+ *
+ * The sign of the seconds field applies to the whole value. The
+ * nanoseconds field is always unsigned. The reserved field is
+ * included for sub-nanosecond resolution, should the demand for
+ * this ever appear.
+ *
+ */
+struct ptp_clock_time {
+	__s64 sec;  /* seconds */
+	__u32 nsec; /* nanoseconds */
+	__u32 reserved;
+};
+
+struct ptp_clock_caps {
+	int max_adj;   /* Maximum frequency adjustment in parts per billon. */
+	int n_alarm;   /* Number of programmable alarms. */
+	int n_ext_ts;  /* Number of external time stamp channels. */
+	int n_per_out; /* Number of programmable periodic signals. */
+	int pps;       /* Whether the clock supports a PPS callback. */
+	int n_pins;    /* Number of input/output pins. */
+	/* Whether the clock supports precise system-device cross timestamps */
+	int cross_timestamping;
+	/* Whether the clock supports adjust phase */
+	int adjust_phase;
+	int max_phase_adj; /* Maximum phase adjustment in nanoseconds. */
+	int rsv[11];       /* Reserved for future use. */
+};
+
+struct ptp_extts_request {
+	unsigned int index;  /* Which channel to configure. */
+	unsigned int flags;  /* Bit field for PTP_xxx flags. */
+	unsigned int rsv[2]; /* Reserved for future use. */
+};
+
+struct ptp_perout_request {
+	union {
+		/*
+		 * Absolute start time.
+		 * Valid only if (flags & PTP_PEROUT_PHASE) is unset.
+		 */
+		struct ptp_clock_time start;
+		/*
+		 * Phase offset. The signal should start toggling at an
+		 * unspecified integer multiple of the period, plus this value.
+		 * The start time should be "as soon as possible".
+		 * Valid only if (flags & PTP_PEROUT_PHASE) is set.
+		 */
+		struct ptp_clock_time phase;
+	};
+	struct ptp_clock_time period; /* Desired period, zero means disable. */
+	unsigned int index;           /* Which channel to configure. */
+	unsigned int flags;
+	union {
+		/*
+		 * The "on" time of the signal.
+		 * Must be lower than the period.
+		 * Valid only if (flags & PTP_PEROUT_DUTY_CYCLE) is set.
+		 */
+		struct ptp_clock_time on;
+		/* Reserved for future use. */
+		unsigned int rsv[4];
+	};
+};
+
+#define PTP_MAX_SAMPLES 25 /* Maximum allowed offset measurement samples. */
+
+struct ptp_sys_offset {
+	unsigned int n_samples; /* Desired number of measurements. */
+	unsigned int rsv[3];    /* Reserved for future use. */
+	/*
+	 * Array of interleaved system/phc time stamps. The kernel
+	 * will provide 2*n_samples + 1 time stamps, with the last
+	 * one as a system time stamp.
+	 */
+	struct ptp_clock_time ts[2 * PTP_MAX_SAMPLES + 1];
+};
+
+struct ptp_sys_offset_extended {
+	unsigned int n_samples; /* Desired number of measurements. */
+	unsigned int rsv[3];    /* Reserved for future use. */
+	/*
+	 * Array of [system, phc, system] time stamps. The kernel will provide
+	 * 3*n_samples time stamps.
+	 */
+	struct ptp_clock_time ts[PTP_MAX_SAMPLES][3];
+};
+
+struct ptp_sys_offset_precise {
+	struct ptp_clock_time device;
+	struct ptp_clock_time sys_realtime;
+	struct ptp_clock_time sys_monoraw;
+	unsigned int rsv[4];    /* Reserved for future use. */
+};
+
+enum ptp_pin_function {
+	PTP_PF_NONE,
+	PTP_PF_EXTTS,
+	PTP_PF_PEROUT,
+	PTP_PF_PHYSYNC,
+};
+
+struct ptp_pin_desc {
+	/*
+	 * Hardware specific human readable pin name. This field is
+	 * set by the kernel during the PTP_PIN_GETFUNC ioctl and is
+	 * ignored for the PTP_PIN_SETFUNC ioctl.
+	 */
+	char name[64];
+	/*
+	 * Pin index in the range of zero to ptp_clock_caps.n_pins - 1.
+	 */
+	unsigned int index;
+	/*
+	 * Which of the PTP_PF_xxx functions to use on this pin.
+	 */
+	unsigned int func;
+	/*
+	 * The specific channel to use for this function.
+	 * This corresponds to the 'index' field of the
+	 * PTP_EXTTS_REQUEST and PTP_PEROUT_REQUEST ioctls.
+	 */
+	unsigned int chan;
+	/*
+	 * Reserved for future use.
+	 */
+	unsigned int rsv[5];
+};
+
+#define PTP_CLK_MAGIC '='
+
+#define PTP_CLOCK_GETCAPS  _IOR(PTP_CLK_MAGIC, 1, struct ptp_clock_caps)
+#define PTP_EXTTS_REQUEST  _IOW(PTP_CLK_MAGIC, 2, struct ptp_extts_request)
+#define PTP_PEROUT_REQUEST _IOW(PTP_CLK_MAGIC, 3, struct ptp_perout_request)
+#define PTP_ENABLE_PPS     _IOW(PTP_CLK_MAGIC, 4, int)
+#define PTP_SYS_OFFSET     _IOW(PTP_CLK_MAGIC, 5, struct ptp_sys_offset)
+#define PTP_PIN_GETFUNC    _IOWR(PTP_CLK_MAGIC, 6, struct ptp_pin_desc)
+#define PTP_PIN_SETFUNC    _IOW(PTP_CLK_MAGIC, 7, struct ptp_pin_desc)
+#define PTP_SYS_OFFSET_PRECISE \
+	_IOWR(PTP_CLK_MAGIC, 8, struct ptp_sys_offset_precise)
+#define PTP_SYS_OFFSET_EXTENDED \
+	_IOWR(PTP_CLK_MAGIC, 9, struct ptp_sys_offset_extended)
+
+#define PTP_CLOCK_GETCAPS2  _IOR(PTP_CLK_MAGIC, 10, struct ptp_clock_caps)
+#define PTP_EXTTS_REQUEST2  _IOW(PTP_CLK_MAGIC, 11, struct ptp_extts_request)
+#define PTP_PEROUT_REQUEST2 _IOW(PTP_CLK_MAGIC, 12, struct ptp_perout_request)
+#define PTP_ENABLE_PPS2     _IOW(PTP_CLK_MAGIC, 13, int)
+#define PTP_SYS_OFFSET2     _IOW(PTP_CLK_MAGIC, 14, struct ptp_sys_offset)
+#define PTP_PIN_GETFUNC2    _IOWR(PTP_CLK_MAGIC, 15, struct ptp_pin_desc)
+#define PTP_PIN_SETFUNC2    _IOW(PTP_CLK_MAGIC, 16, struct ptp_pin_desc)
+#define PTP_SYS_OFFSET_PRECISE2 \
+	_IOWR(PTP_CLK_MAGIC, 17, struct ptp_sys_offset_precise)
+#define PTP_SYS_OFFSET_EXTENDED2 \
+	_IOWR(PTP_CLK_MAGIC, 18, struct ptp_sys_offset_extended)
+#define PTP_MASK_CLEAR_ALL  _IO(PTP_CLK_MAGIC, 19)
+#define PTP_MASK_EN_SINGLE  _IOW(PTP_CLK_MAGIC, 20, unsigned int)
+
+struct ptp_extts_event {
+	struct ptp_clock_time t; /* Time event occurred. */
+	unsigned int index;      /* Which channel produced the event. */
+	unsigned int flags;      /* Event type. */
+	unsigned int rsv[2];     /* Reserved for future use. */
+};
+
+#endif