127 lines
4.7 KiB
C
127 lines
4.7 KiB
C
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/*
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* Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _TEGRA_PRODS_H
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#define _TEGRA_PRODS_H
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struct tegra_prod;
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/**
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* tegra_prod_set_list(): Set all prods configurations
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* @base: List of IO mapped registers.
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* @tegra_prod: tegra_prod handle which is allocated by devm_tegra_prod_get()
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* or tegra_prod_get_from_node();
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*
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* Configure all the prod configuration listed on prod-setting nodes.
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*
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* Returns 0 on success otherwise negive error number for failed case.
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*/
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int tegra_prod_set_list(void __iomem **base, struct tegra_prod *tegra_prod);
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/**
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* tegra_prod_set_boot_init(): Set all prods configurations which has boot init
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* flag on the prod setting nodes.
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* @base: List of IO mapped registers.
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* @tegra_prod: tegra_prod handle which is allocated by devm_tegra_prod_get()
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* or tegra_prod_get_from_node();
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*
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* Configure all the prod configuration listed on prod-setting nodes.
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*
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* Returns 0 on success otherwise negive error number for failed case.
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*/
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int tegra_prod_set_boot_init(void __iomem **base,
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struct tegra_prod *tegra_prod);
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/**
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* tegra_prod_set_by_name(): Set prod configuration with specific prod name.
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* This is used for conditional prod configurations.
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* @base: List of IO mapped registers.
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* @name: Name of conditional prod which need to be configure.
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* @tegra_prod: tegra_prod handle which is allocated by devm_tegra_prod_get()
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* or tegra_prod_get_from_node();
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*
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* Configure prod configuration with specific prod name for conditional
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* prod configurations.
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*
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* Returns 0 on success otherwise negive error number for failed case.
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*/
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int tegra_prod_set_by_name(void __iomem **base, const char *name,
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struct tegra_prod *tegra_prod);
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/**
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* tegra_prod_set_by_name_partially - Set the prod setting from list partially
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* under given prod name. The matching is done
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* qith index, offset and mask.
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* @base: base address of the register.
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* @name: the name of tegra prod need to set.
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* @tegra_prod: the list of tegra prods.
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* @index: Index of base address.
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* @offset: Offset of the register.
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* @mask: Mask field on given register.
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*
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* Find the tegra prod in the list according to the name. Then set
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* that tegra prod which has matching of index, offset and mask.
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*
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* Returns 0 on success.
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*/
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int tegra_prod_set_by_name_partially(void __iomem **base, const char *name,
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struct tegra_prod *tegra_prod, u32 index,
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u32 offset, u32 mask);
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/**
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* tegra_prod_by_name_supported - Tell whether tegra prod will be supported by
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* given name or not.
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* @tegra_prod: the list of tegra prods.
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* @name: the name of tegra prod need to set.
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*
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* Find the tegra prod in the list according to the name. If it exist then
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* return true else false.
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*/
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bool tegra_prod_by_name_supported(struct tegra_prod *tegra_prod,
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const char *name);
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/**
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* devm_tegra_prod_get(): Get the prod handle from the device.
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* @dev: Device handle on which prod setting nodes are available.
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*
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* Parse the prod-setting node of the dev->of_node and keep all prod
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* setting data in prod handle.
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* This handle is used for setting prod configurations.
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*
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* Returns valid prod_list handle on success or pointer to the error
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* when it failed.
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*/
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struct tegra_prod *devm_tegra_prod_get(struct device *dev);
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/**
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* devm_tegra_prod_get_from_node(): Get the prod handle from the node.
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* @dev: Device handle.
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* @np: Node pointer on which prod setting nodes are available.
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*
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* Parse the prod-setting node of the node pointer "np" and keep all prod
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* setting data in prod handle.
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* This handle is used for setting prod configurations.
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*
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* Returns valid prod_list handle on success or pointer to the error
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* when it failed.
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* The allocated resource is released by driver core framework when device
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* is unbinded and so no need to call any release APIs for the tegra_prod
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* handle.
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*/
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struct tegra_prod *devm_tegra_prod_get_from_node(struct device *dev,
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struct device_node *np);
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#endif
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