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66 lines
1.3 KiB
66 lines
1.3 KiB
4 years ago
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/*
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* Copyright (c) 2021, STMicroelectronics - All Rights Reserved
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* Author(s): Ludovic Barre, <ludovic.barre@st.com> for STMicroelectronics.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <assert.h>
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#include <errno.h>
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#include <stdbool.h>
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#include <drivers/clk.h>
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static const struct clk_ops *ops;
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int clk_enable(unsigned long id)
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{
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assert((ops != NULL) && (ops->enable != NULL));
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return ops->enable(id);
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}
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void clk_disable(unsigned long id)
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{
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assert((ops != NULL) && (ops->disable != NULL));
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ops->disable(id);
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}
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unsigned long clk_get_rate(unsigned long id)
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{
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assert((ops != NULL) && (ops->get_rate != NULL));
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return ops->get_rate(id);
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}
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int clk_get_parent(unsigned long id)
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{
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assert((ops != NULL) && (ops->get_parent != NULL));
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return ops->get_parent(id);
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}
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bool clk_is_enabled(unsigned long id)
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{
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assert((ops != NULL) && (ops->is_enabled != NULL));
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return ops->is_enabled(id);
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}
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/*
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* Initialize the clk. The fields in the provided clk
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* ops pointer must be valid.
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*/
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void clk_register(const struct clk_ops *ops_ptr)
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{
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assert((ops_ptr != NULL) &&
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(ops_ptr->enable != NULL) &&
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(ops_ptr->disable != NULL) &&
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(ops_ptr->get_rate != NULL) &&
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(ops_ptr->get_parent != NULL) &&
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(ops_ptr->is_enabled != NULL));
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ops = ops_ptr;
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}
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