MT8173 PCM analysis firmwaresHEADmaster

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>

1 files changed, 115 insertions, 0 deletions

diff --git a/mt8173-pcm.c b/mt8173-pcm.c
new file mode 100644
index 0000000..fef7ea1
--- /dev/null
+++ b/mt8173-pcm.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2016-2017 Paul Kocialkowski <contact@paulk.fr>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include "spm.h"
+
+#include "pcm_mcdi_mt8173_20160401_v1.h"
+#include "pcm_power_down_mt8173_V37.h"
+#include "pcm_suspend_20150805_V1.h"
+#include "pcm_suspend_20150917_V4.h"
+
+static const struct pcm_desc *pcm_descs[] = {
+	&pcm_mcdi_mt8173_20160401_v1,
+	&pcm_power_down_mt8173_V37,
+	&pcm_suspend_20150805_V1,
+	&pcm_suspend_20150917_V4,
+	NULL
+};
+
+static const struct pcm_desc *pcm_desc_find(const char *version)
+{
+	int i;
+
+	for (i = 0; pcm_descs[i] != NULL; i++) {
+		if (strcmp(pcm_descs[i]->version, version) == 0)
+			return pcm_descs[i];
+	}
+
+	return NULL;
+}
+
+static void pcm_desc_list(void)
+{
+	int i;
+
+	printf("Available PCM descriptions:\n");
+
+	for (i = 0; pcm_descs[i] != NULL; i++)
+		printf("%s\n", pcm_descs[i]->version);
+}
+
+int main(int argc, char *argv[])
+{
+	const struct pcm_desc *desc;
+	char *version = NULL;
+	char *name;
+	int fd;
+	int i;
+
+	if (argc > 1 && argv[1] != NULL)
+		version = argv[1];
+
+	if (version == NULL) {
+		pcm_desc_list();
+		return 1;
+	}
+
+	desc = pcm_desc_find(version);
+	if (desc == NULL) {
+		printf("Couldn't find PCM description with version %s\n", version);
+		return 1;
+	}
+
+	asprintf(&name, "%s.bin", desc->version);
+
+	fd = open(name, O_CREAT | O_TRUNC | O_RDWR, 0644);
+	if (fd < 0)
+		return 1;
+
+	free(name);
+
+	write(fd, desc->base, desc->size * sizeof(unsigned int));
+
+	close(fd);
+
+	asprintf(&name, "%s.txt", desc->version);
+
+	fd = open(name, O_CREAT | O_TRUNC | O_RDWR, 0644);
+	if (fd < 0)
+		return 1;
+
+	free(name);
+
+	for (i = 0 ; i < desc->size ; i++)
+		dprintf(fd, "[0x%04x] 0x%08x\n", i, desc->base[i]);
+
+	close(fd);
+
+	printf("Produced %s\n", desc->version);
+
+	return 0;
+}