1 files changed, 78 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/volt/volt_dev.h b/drivers/gpu/nvgpu/volt/volt_dev.h
new file mode 100644
index 00000000..a3dc8cf6
--- /dev/null
+++ b/drivers/gpu/nvgpu/volt/volt_dev.h
@@ -0,0 +1,78 @@
+/*
+* 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 _VOLTDEV_H_
+#define _VOLTDEV_H_
+
+#include "boardobj/boardobj.h"
+#include "boardobj/boardobjgrp.h"
+#include "ctrl/ctrlvolt.h"
+
+#define VOLTAGE_TABLE_MAX_ENTRIES_ONE   1
+#define VOLTAGE_TABLE_MAX_ENTRIES       256
+
+struct voltage_device {
+        struct boardobj super;
+        u8 volt_domain;
+        u8 i2c_dev_idx;
+        u32 switch_delay_us;
+        u32 num_entries;
+        struct voltage_device_entry *pentry[VOLTAGE_TABLE_MAX_ENTRIES];
+        struct voltage_device_entry *pcurr_entry;
+        u8 rsvd_0;
+        u8 rsvd_1;
+        u8 operation_type;
+        u32 voltage_min_uv;
+        u32 voltage_max_uv;
+        u32 volt_step_uv;
+};
+
+struct voltage_device_entry {
+        u32  voltage_uv;
+};
+
+struct voltage_device_metadata {
+        struct boardobjgrp_e32 volt_devices;
+};
+
+/*!
+ * Extends VOLTAGE_DEVICE providing attributes specific to PWM controllers.
+ */
+struct voltage_device_pwm {
+        struct voltage_device super;
+        s32 voltage_base_uv;
+        s32 voltage_offset_scale_uv;
+        enum nv_pmu_pmgr_pwm_source source;
+        u32 raw_period;
+};
+
+struct voltage_device_pwm_entry {
+        struct voltage_device_entry  super;
+        u32 duty_cycle;
+};
+/* PWM end */
+
+u32 volt_dev_sw_setup(struct gk20a *g);
+u32 volt_dev_pmu_setup(struct gk20a *g);
+
+#endif /* _VOLTDEV_H_ */