1 files changed, 73 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/volt/volt_policy.h b/drivers/gpu/nvgpu/volt/volt_policy.h
new file mode 100644
index 00000000..8db79218
--- /dev/null
+++ b/drivers/gpu/nvgpu/volt/volt_policy.h
@@ -0,0 +1,73 @@
+/*
+* Copyright (c) 2016, NVIDIA CORPORATION.  All rights reserved.
+*
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef _VOLT_POLICY_H_
+#define _VOLT_POLICY_H_
+
+#define VOLT_POLICY_INDEX_IS_VALID(pvolt, policy_idx)   \
+                (boardobjgrp_idxisvalid(        \
+                &((pvolt)->volt_policy_metadata.volt_policies.super), \
+                (policy_idx)))
+
+/*!
+ * extends boardobj providing attributes common to all voltage_policies.
+ */
+struct voltage_policy {
+        struct boardobj super;
+};
+
+struct voltage_policy_metadata {
+        u8 perf_core_vf_seq_policy_idx;
+        struct boardobjgrp_e32 volt_policies;
+};
+
+/*!
+ * extends voltage_policy providing attributes
+ * common to all voltage_policy_split_rail.
+ */
+struct voltage_policy_split_rail {
+        struct voltage_policy super;
+        u8 rail_idx_master;
+        u8 rail_idx_slave;
+        u8 delta_min_vfe_equ_idx;
+        u8 delta_max_vfe_equ_idx;
+        s32 offset_delta_min_uv;
+        s32 offset_delta_max_uv;
+};
+
+struct voltage_policy_split_rail_single_step {
+        struct voltage_policy_split_rail super;
+};
+
+struct voltage_policy_split_rail_multi_step {
+        struct voltage_policy_split_rail super;
+        u16 inter_switch_delay_us;
+};
+
+struct voltage_policy_single_rail {
+        struct voltage_policy  super;
+        u8 rail_idx;
+};
+
+u32 volt_policy_sw_setup(struct gk20a *g);
+u32 volt_policy_pmu_setup(struct gk20a *g);
+#endif