These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / clk / tegra / cvb.h

diff --git a/kernel/drivers/clk/tegra/cvb.h b/kernel/drivers/clk/tegra/cvb.h
new file mode 100644 (file)
index 0000000..f62cdc4
--- /dev/null
+++ b/kernel/drivers/clk/tegra/cvb.h
@@ -0,0 +1,67 @@
+/*
+ * Utility functions for parsing Tegra CVB voltage tables
+ *
+ * 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.
+ *
+ * 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.
+ *
+ */
+
+#ifndef __DRIVERS_CLK_TEGRA_CVB_H
+#define __DRIVERS_CLK_TEGRA_CVB_H
+
+#include <linux/types.h>
+
+struct device;
+
+#define MAX_DVFS_FREQS 40
+
+struct rail_alignment {
+       int offset_uv;
+       int step_uv;
+};
+
+struct cvb_coefficients {
+       int c0;
+       int c1;
+       int c2;
+};
+
+struct cvb_table_freq_entry {
+       unsigned long freq;
+       struct cvb_coefficients coefficients;
+};
+
+struct cvb_cpu_dfll_data {
+       u32 tune0_low;
+       u32 tune0_high;
+       u32 tune1;
+};
+
+struct cvb_table {
+       int speedo_id;
+       int process_id;
+
+       int min_millivolts;
+       int max_millivolts;
+       struct rail_alignment alignment;
+
+       int speedo_scale;
+       int voltage_scale;
+       struct cvb_table_freq_entry cvb_table[MAX_DVFS_FREQS];
+       struct cvb_cpu_dfll_data cpu_dfll_data;
+};
+
+const struct cvb_table *tegra_cvb_build_opp_table(
+               const struct cvb_table *cvb_tables,
+               size_t sz, int process_id,
+               int speedo_id, int speedo_value,
+               unsigned long max_rate,
+               struct device *opp_dev);
+
+#endif