Include nvgpu headers

These are needed to build on NVIDIA's Jetson boards for the time
being. Only a couple structs are required, so it should be fairly
easy to remove this dependency at some point in the future.

9 files changed, 2323 insertions, 0 deletions

diff --git a/include/volt/volt.h b/include/volt/volt.h
new file mode 100644
index 0000000..8b4895f
--- /dev/null
+++ b/include/volt/volt.h
@@ -0,0 +1,39 @@
+/*
+* Copyright (c) 2016-2018, 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 NVGPU_VOLT_H
+#define NVGPU_VOLT_H
+
+#include "volt_rail.h"
+#include "volt_dev.h"
+#include "volt_policy.h"
+#include "volt_pmu.h"
+
+#define VOLTAGE_DESCRIPTOR_TABLE_ENTRY_INVALID  0xFF
+
+struct obj_volt {
+        struct voltage_rail_metadata volt_rail_metadata;
+        struct voltage_device_metadata volt_dev_metadata;
+        struct voltage_policy_metadata volt_policy_metadata;
+};
+
+#endif /* NVGPU_VOLT_H */
diff --git a/include/volt/volt_dev.c b/include/volt/volt_dev.c
new file mode 100644
index 0000000..bb5d182
--- /dev/null
+++ b/include/volt/volt_dev.c
@@ -0,0 +1,609 @@
+/*
+ * Copyright (c) 2016-2018, 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.
+ */
+
+#include <nvgpu/types.h>
+#include <nvgpu/sort.h>
+#include <nvgpu/pmuif/nvgpu_gpmu_cmdif.h>
+#include <nvgpu/bios.h>
+#include <nvgpu/kmem.h>
+#include <nvgpu/gk20a.h>
+
+#include "gp106/bios_gp106.h"
+
+#include "boardobj/boardobjgrp.h"
+#include "boardobj/boardobjgrp_e32.h"
+#include "ctrl/ctrlvolt.h"
+
+#include "volt.h"
+
+#define VOLT_DEV_PWM_VOLTAGE_STEPS_INVALID      0U
+#define VOLT_DEV_PWM_VOLTAGE_STEPS_DEFAULT      1U
+
+static int volt_device_pmu_data_init_super(struct gk20a *g,
+        struct boardobj *pboard_obj, struct nv_pmu_boardobj *ppmudata)
+{
+        int status;
+        struct voltage_device *pdev;
+        struct nv_pmu_volt_volt_device_boardobj_set *pset;
+
+        status = boardobj_pmudatainit_super(g, pboard_obj, ppmudata);
+        if (status) {
+                return status;
+        }
+
+        pdev = (struct voltage_device *)pboard_obj;
+        pset = (struct nv_pmu_volt_volt_device_boardobj_set *)ppmudata;
+
+        pset->switch_delay_us = pdev->switch_delay_us;
+        pset->voltage_min_uv = pdev->voltage_min_uv;
+        pset->voltage_max_uv = pdev->voltage_max_uv;
+        pset->volt_step_uv = pdev->volt_step_uv;
+
+        return status;
+}
+
+static int volt_device_pmu_data_init_pwm(struct gk20a *g,
+                struct boardobj *pboard_obj, struct nv_pmu_boardobj *ppmudata)
+{
+        int status = 0;
+        struct voltage_device_pwm *pdev;
+        struct nv_pmu_volt_volt_device_pwm_boardobj_set *pset;
+
+        status = volt_device_pmu_data_init_super(g, pboard_obj, ppmudata);
+        if (status) {
+                return  status;
+        }
+
+        pdev = (struct voltage_device_pwm *)pboard_obj;
+        pset = (struct nv_pmu_volt_volt_device_pwm_boardobj_set *)ppmudata;
+
+        pset->raw_period = pdev->raw_period;
+        pset->voltage_base_uv = pdev->voltage_base_uv;
+        pset->voltage_offset_scale_uv = pdev->voltage_offset_scale_uv;
+        pset->pwm_source = pdev->source;
+
+        return status;
+}
+
+static int construct_volt_device(struct gk20a *g,
+        struct boardobj **ppboardobj, u16 size, void *pargs)
+{
+        struct voltage_device *ptmp_dev = (struct voltage_device *)pargs;
+        struct voltage_device *pvolt_dev = NULL;
+        int status = 0;
+
+        status = boardobj_construct_super(g, ppboardobj, size, pargs);
+        if (status) {
+                return status;
+        }
+
+        pvolt_dev = (struct voltage_device *)*ppboardobj;
+
+        pvolt_dev->volt_domain = ptmp_dev->volt_domain;
+        pvolt_dev->i2c_dev_idx = ptmp_dev->i2c_dev_idx;
+        pvolt_dev->switch_delay_us = ptmp_dev->switch_delay_us;
+        pvolt_dev->rsvd_0 = VOLTAGE_DESCRIPTOR_TABLE_ENTRY_INVALID;
+        pvolt_dev->rsvd_1 =
+                        VOLTAGE_DESCRIPTOR_TABLE_ENTRY_INVALID;
+        pvolt_dev->operation_type = ptmp_dev->operation_type;
+        pvolt_dev->voltage_min_uv = ptmp_dev->voltage_min_uv;
+        pvolt_dev->voltage_max_uv = ptmp_dev->voltage_max_uv;
+
+        pvolt_dev->super.pmudatainit = volt_device_pmu_data_init_super;
+
+        return status;
+}
+
+static int construct_pwm_volt_device(struct gk20a *g,
+                struct boardobj **ppboardobj,
+                u16 size, void *pargs)
+{
+        struct boardobj *pboard_obj = NULL;
+        struct voltage_device_pwm *ptmp_dev =
+                        (struct voltage_device_pwm *)pargs;
+        struct voltage_device_pwm *pdev = NULL;
+        int status = 0;
+
+        status = construct_volt_device(g, ppboardobj, size, pargs);
+        if (status) {
+                return status;
+        }
+
+        pboard_obj = (*ppboardobj);
+        pdev  = (struct voltage_device_pwm *)*ppboardobj;
+
+        pboard_obj->pmudatainit  = volt_device_pmu_data_init_pwm;
+
+        /* Set VOLTAGE_DEVICE_PWM-specific parameters */
+        pdev->voltage_base_uv = ptmp_dev->voltage_base_uv;
+        pdev->voltage_offset_scale_uv = ptmp_dev->voltage_offset_scale_uv;
+        pdev->source = ptmp_dev->source;
+        pdev->raw_period = ptmp_dev->raw_period;
+
+        return status;
+}
+
+
+static struct voltage_device_entry *volt_dev_construct_dev_entry_pwm(
+                struct gk20a *g,
+                u32 voltage_uv, void *pargs)
+{
+        struct voltage_device_pwm_entry *pentry = NULL;
+        struct voltage_device_pwm_entry *ptmp_entry =
+                        (struct voltage_device_pwm_entry *)pargs;
+
+        pentry = nvgpu_kzalloc(g, sizeof(struct voltage_device_pwm_entry));
+        if (pentry == NULL) {
+                return NULL;
+        }
+
+        memset(pentry, 0, sizeof(struct voltage_device_pwm_entry));
+
+        pentry->super.voltage_uv = voltage_uv;
+        pentry->duty_cycle = ptmp_entry->duty_cycle;
+
+        return (struct voltage_device_entry *)pentry;