Initial import

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 117 insertions, 0 deletions

diff --git a/options.c b/options.c
new file mode 100644
index 0000000..c607dee
--- /dev/null
+++ b/options.c
@@ -0,0 +1,117 @@
+/*
+ * Media controller test application
+ *
+ * Copyright (C) 2010 Ideas on board SPRL <laurent.pinchart@ideasonboard.com>
+ *
+ * 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.,
+ */
+
+#include <stdlib.h>
+#include <getopt.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include "options.h"
+
+#define MEDIA_DEVNAME_DEFAULT		"/dev/media0"
+
+struct media_options media_opts = {
+	.devname = MEDIA_DEVNAME_DEFAULT,
+};
+
+static void usage(const char *argv0)
+{
+	printf("%s [options] device\n", argv0);
+	printf("-d, --device dev	Media device name (default: %s)\n", MEDIA_DEVNAME_DEFAULT);
+	printf("-e, --entity name	Print the device name associated with the given entity\n");
+	printf("-f, --formats		Comma-separated list of formats to setup\n");
+	printf("-h, --help		Show this help screen\n");
+	printf("-i, --interactive	Modify links interactively\n");
+	printf("-l, --links		Comma-separated list of links descriptors to setup\n");
+	printf("-p, --print-topology	Print the device topology (implies -v)\n");
+	printf("-r, --reset		Reset all links to inactive\n");
+	printf("-v, --verbose		Be verbose\n");
+}
+
+static struct option opts[] = {
+	{"device", 1, 0, 'd'},
+	{"entity", 1, 0, 'e'},
+	{"formats", 1, 0, 'f'},
+	{"help", 0, 0, 'h'},
+	{"interactive", 0, 0, 'i'},
+	{"links", 1, 0, 'l'},
+	{"print-topology", 0, 0, 'p'},
+	{"reset", 0, 0, 'r'},
+	{"verbose", 0, 0, 'v'},
+};
+
+int parse_cmdline(int argc, char **argv)
+{
+	int opt;
+
+	if (argc == 1) {
+		usage(argv[0]);
+		return 1;
+	}
+
+	/* parse options */
+	while ((opt = getopt_long(argc, argv, "d:e:f:hil:prv", opts, NULL)) != -1) {
+		switch (opt) {
+		case 'd':
+			media_opts.devname = optarg;
+			break;
+
+		case 'e':
+			media_opts.entity = optarg;
+			break;
+
+		case 'f':
+			media_opts.formats = optarg;
+			break;
+
+		case 'h':
+			usage(argv[0]);
+			return 1;
+
+		case 'i':
+			media_opts.interactive = 1;
+			break;
+
+		case 'l':
+			media_opts.links = optarg;
+			break;
+
+		case 'p':
+			media_opts.print = 1;
+			media_opts.verbose = 1;
+			break;
+
+		case 'r':
+			media_opts.reset = 1;
+			break;
+
+		case 'v':
+			media_opts.verbose = 1;
+			break;
+
+		default:
+			printf("Invalid option -%c\n", opt);
+			printf("Run %s -h for help.\n", argv[0]);
+			return 1;
+		}
+	}
+
+	return 0;
+}
+