bdk: add activity monitor driver

bdk/soc/actmon.h

@@ -0,0 +1,62 @@
+/*
+ * Activity Monitor driver for Tegra X1
+ *
+ * Copyright (c) 2021 CTCaer
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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/>.
+ */
+
+#ifndef __ACTMON_H_
+#define __ACTMON_H_
+
+#include <utils/types.h>
+
+typedef enum _actmon_dev_t
+{
+	ACTMON_DEV_CPU,
+	ACTMON_DEV_BPMP,
+	ACTMON_DEV_AHB,
+	ACTMON_DEV_APB,
+	ACTMON_DEV_CPU_FREQ,
+	ACTMON_DEV_MC_ALL,
+	ACTMON_DEV_MC_CPU,
+
+	ACTMON_DEV_NUM,
+} actmon_dev_t;
+
+typedef enum _actmon_hist_src_t
+{
+	ACTMON_HIST_SRC_NONE     = 0,
+	ACTMON_HIST_SRC_AHB      = 1,
+	ACTMON_HIST_SRC_APB      = 2,
+	ACTMON_HIST_SRC_BPMP     = 3,
+	ACTMON_HIST_SRC_CPU      = 4,
+	ACTMON_HIST_SRC_MC_ALL   = 5,
+	ACTMON_HIST_SRC_MC_CPU   = 6,
+	ACTMON_HIST_SRC_CPU_FREQ = 7,
+	ACTMON_HIST_SRC_NA       = 8,
+	ACTMON_HIST_SRC_APB_MMIO = 9,
+} actmon_hist_src_t;
+
+void actmon_hist_enable(actmon_hist_src_t src);
+void actmon_hist_disable();
+void actmon_hist_get(u32 *histogram);
+void actmon_dev_enable(actmon_dev_t dev);
+void actmon_dev_disable(actmon_dev_t dev);
+u32  actmon_dev_get_load(actmon_dev_t dev);
+u32  actmon_dev_get_load_avg(actmon_dev_t dev);
+void atmon_dev_all_disable();
+void actmon_init();
+void actmon_end();
+
+#endif