1 files changed, 113 insertions, 0 deletions
diff --git a/usr.sbin/virtual_oss/virtual_oss_cmd/command.c b/usr.sbin/virtual_oss/virtual_oss_cmd/command.c
new file mode 100644
index 000000000000..64781992ddfd
--- /dev/null
+++ b/usr.sbin/virtual_oss/virtual_oss_cmd/command.c
@@ -0,0 +1,113 @@
+/*-
+ * Copyright (c) 2021-2022 Hans Petter Selasky
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <err.h>
+#include <sysexits.h>
+#include <stdarg.h>
+#include <fcntl.h>
+
+#include "virtual_oss.h"
+
+static void
+message(const char *fmt, ...)
+{
+	va_list list;
+
+	va_start(list, fmt);
+	vfprintf(stderr, fmt, list);
+	va_end(list);
+}
+
+static void
+usage(void)
+{
+	message("Usage: virtual_oss_cmd /dev/vdsp.ctl [command line arguments to pass to virtual_oss]\n");
+	exit(EX_USAGE);
+}
+
+int
+main(int argc, char **argv)
+{
+	char options[VIRTUAL_OSS_OPTIONS_MAX] = {};
+	size_t offset = 0;
+	size_t len = VIRTUAL_OSS_OPTIONS_MAX - 1;
+	int fd;
+
+	/* check if no options */
+	if (argc < 2)
+		usage();
+
+	fd = open(argv[1], O_RDWR);
+	if (fd < 0)
+		errx(EX_SOFTWARE, "Could not open '%s'", argv[1]);
+
+	for (int x = 2; x != argc; x++) {
+		size_t tmp = strlen(argv[x]) + 1;
+		if (tmp > len)
+			errx(EX_SOFTWARE, "Too many options passed");
+		memcpy(options + offset, argv[x], tmp);
+		options[offset + tmp - 1] = ' ';
+		offset += tmp;
+		len -= tmp;
+	}
+
+	if (options[0] == 0) {
+		struct virtual_oss_system_info info;
+		if (ioctl(fd, VIRTUAL_OSS_GET_SYSTEM_INFO, &info) < 0)
+			errx(EX_SOFTWARE, "Cannot get system information");
+
+		info.rx_device_name[sizeof(info.rx_device_name) - 1] = 0;
+		info.tx_device_name[sizeof(info.tx_device_name) - 1] = 0;
+
+		printf("Sample rate: %u Hz\n"
+		       "Sample width: %u bits\n"
+		       "Sample channels: %u\n"
+		       "Output jitter: %u / %u\n"
+		       "Input device name: %s\n"
+		       "Output device name: %s\n",
+		       info.sample_rate,
+		       info.sample_bits,
+		       info.sample_channels,
+		       info.tx_jitter_down,
+		       info.tx_jitter_up,
+		       info.rx_device_name,
+		       info.tx_device_name);
+	} else {
+		/* execute options */
+		if (ioctl(fd, VIRTUAL_OSS_ADD_OPTIONS, options) < 0)
+			errx(EX_SOFTWARE, "One or more invalid options");
+		/* show error, if any */
+		if (options[0] != '\0')
+			errx(EX_SOFTWARE, "%s", options);
+	}
+
+	close(fd);
+	return (0);
+}