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path: root/drivers/gator/gator_events_mali_common.c
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Diffstat (limited to 'drivers/gator/gator_events_mali_common.c')
-rw-r--r--drivers/gator/gator_events_mali_common.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/drivers/gator/gator_events_mali_common.c b/drivers/gator/gator_events_mali_common.c
new file mode 100644
index 00000000000..dc58dcf0c66
--- /dev/null
+++ b/drivers/gator/gator_events_mali_common.c
@@ -0,0 +1,81 @@
+/**
+ * Copyright (C) ARM Limited 2012-2014. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#include "gator_events_mali_common.h"
+
+static u32 gator_mali_get_id(void)
+{
+ return MALI_SUPPORT;
+}
+
+extern const char *gator_mali_get_mali_name(void)
+{
+ u32 id = gator_mali_get_id();
+
+ switch (id) {
+ case MALI_T6xx:
+ return "Mali-T6xx";
+ case MALI_4xx:
+ return "Mali-4xx";
+ default:
+ pr_debug("gator: Mali-T6xx: unknown Mali ID (%d)\n", id);
+ return "Mali-Unknown";
+ }
+}
+
+extern int gator_mali_create_file_system(const char *mali_name, const char *event_name, struct super_block *sb, struct dentry *root, mali_counter *counter, unsigned long *event)
+{
+ int err;
+ char buf[255];
+ struct dentry *dir;
+
+ /* If the counter name is empty ignore it */
+ if (strlen(event_name) != 0) {
+ /* Set up the filesystem entry for this event. */
+ snprintf(buf, sizeof(buf), "ARM_%s_%s", mali_name, event_name);
+
+ dir = gatorfs_mkdir(sb, root, buf);
+
+ if (dir == NULL) {
+ pr_debug("gator: Mali-T6xx: error creating file system for: %s (%s)", event_name, buf);
+ return -1;
+ }
+
+ err = gatorfs_create_ulong(sb, dir, "enabled", &counter->enabled);
+ if (err != 0) {
+ pr_debug("gator: Mali-T6xx: error calling gatorfs_create_ulong for: %s (%s)", event_name, buf);
+ return -1;
+ }
+ err = gatorfs_create_ro_ulong(sb, dir, "key", &counter->key);
+ if (err != 0) {
+ pr_debug("gator: Mali-T6xx: error calling gatorfs_create_ro_ulong for: %s (%s)", event_name, buf);
+ return -1;
+ }
+ if (event != NULL) {
+ err = gatorfs_create_ulong(sb, dir, "event", event);
+ if (err != 0) {
+ pr_debug("gator: Mali-T6xx: error calling gatorfs_create_ro_ulong for: %s (%s)", event_name, buf);
+ return -1;
+ }
+ }
+ }
+
+ return 0;
+}
+
+extern void gator_mali_initialise_counters(mali_counter counters[], unsigned int n_counters)
+{
+ unsigned int cnt;
+
+ for (cnt = 0; cnt < n_counters; cnt++) {
+ mali_counter *counter = &counters[cnt];
+
+ counter->key = gator_events_get_key();
+ counter->enabled = 0;
+ }
+}