mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
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62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/*
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* Copyright (c) 2016-2020, NVIDIA CORPORATION. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef NVGPU_VOLT_RAIL_H
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#define NVGPU_VOLT_RAIL_H
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#include <nvgpu/boardobjgrp.h>
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#include <common/pmu/boardobj/boardobj.h>
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#define CTRL_PMGR_PWR_EQUATION_INDEX_INVALID 0xFFU
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struct voltage_rail {
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struct pmu_board_obj super;
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u32 boot_voltage_uv;
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u8 rel_limit_vfe_equ_idx;
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u8 alt_rel_limit_vfe_equ_idx;
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u8 ov_limit_vfe_equ_idx;
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u8 pwr_equ_idx;
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u8 volt_scale_exp_pwr_equ_idx;
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u8 volt_dev_idx_default;
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u8 volt_dev_idx_ipc_vmin;
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u8 boot_volt_vfe_equ_idx;
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u8 vmin_limit_vfe_equ_idx;
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u8 volt_margin_limit_vfe_equ_idx;
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u32 volt_margin_limit_vfe_equ_mon_handle;
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u32 rel_limit_vfe_equ_mon_handle;
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u32 alt_rel_limit_vfe_equ_mon_handle;
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u32 ov_limit_vfe_equ_mon_handle;
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struct boardobjgrpmask_e32 volt_dev_mask;
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s32 volt_delta_uv[CTRL_VOLT_RAIL_VOLT_DELTA_MAX_ENTRIES];
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u32 vmin_limitu_v;
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u32 max_limitu_v;
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u32 current_volt_uv;
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};
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int volt_rail_volt_dev_register(struct gk20a *g, struct voltage_rail
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*pvolt_rail, u8 volt_dev_idx, u8 operation_type);
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int volt_rail_sw_setup(struct gk20a *g);
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int volt_rail_pmu_setup(struct gk20a *g);
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#endif /* NVGPU_VOLT_RAIL_H */
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