110 lines
3.0 KiB
C
110 lines
3.0 KiB
C
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/*
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* Copyright (c) 2019-2025 Allwinner Technology Co., Ltd. ALL rights reserved.
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*
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* Allwinner is a trademark of Allwinner Technology Co.,Ltd., registered in
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* the the People's Republic of China and other countries.
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* All Allwinner Technology Co.,Ltd. trademarks are used with permission.
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*
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* DISCLAIMER
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* THIRD PARTY LICENCES MAY BE REQUIRED TO IMPLEMENT THE SOLUTION/PRODUCT.
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* IF YOU NEED TO INTEGRATE THIRD PARTY’S TECHNOLOGY (SONY, DTS, DOLBY, AVS OR MPEGLA, ETC.)
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* IN ALLWINNERS’SDK OR PRODUCTS, YOU SHALL BE SOLELY RESPONSIBLE TO OBTAIN
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* ALL APPROPRIATELY REQUIRED THIRD PARTY LICENCES.
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* ALLWINNER SHALL HAVE NO WARRANTY, INDEMNITY OR OTHER OBLIGATIONS WITH RESPECT TO MATTERS
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* COVERED UNDER ANY REQUIRED THIRD PARTY LICENSE.
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* YOU ARE SOLELY RESPONSIBLE FOR YOUR USAGE OF THIRD PARTY’S TECHNOLOGY.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY ALLWINNER"AS IS" AND TO THE MAXIMUM EXTENT
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* PERMITTED BY LAW, ALLWINNER EXPRESSLY DISCLAIMS ALL WARRANTIES OF ANY KIND,
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* WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION REGARDING
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* THE TITLE, NON-INFRINGEMENT, ACCURACY, CONDITION, COMPLETENESS, PERFORMANCE
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* OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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* IN NO EVENT SHALL ALLWINNER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS, OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sunxi_hal_common.h>
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#include <hal_cpufreq.h>
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#include <errno.h>
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struct cpufreq_data *cpufreq;
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int hal_cpufreq_data_register(struct cpufreq_data *data)
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{
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int ret;
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if (!data || !data->ops ||
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!data->ops->set_freq || !data->ops->get_freq)
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return -EINVAL;
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cpufreq = data;
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return 0;
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}
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int hal_cpufreq_data_unregister(struct cpufreq_data *data)
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{
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int ret;
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if (!cpufreq || (cpufreq != data))
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return -EINVAL;
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cpufreq = NULL;
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return 0;
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}
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int hal_cpufreq_set_freq(u32 clk_rate)
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{
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if (!cpufreq)
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return -ENODEV;
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return cpufreq->ops->set_freq(clk_rate);
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}
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int hal_cpufreq_get_freq(void)
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{
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if (!cpufreq)
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return -ENODEV;
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return cpufreq->ops->get_freq();
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}
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/*
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* cpufreq_get_freq_table_size - function to get frequency table size.
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*
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* Return: frequency table size if success, error code or 0 otherwise.
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*/
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int hal_cpufreq_get_freq_table_size(void)
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{
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if (!cpufreq)
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return -ENODEV;
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if (cpufreq->ops->get_freq_table_size)
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return cpufreq->ops->get_freq_table_size();
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return 0;
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}
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/*
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* cpufreq_get_freq_table_freq - function to get frequency in frequency table.
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*
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* Return: frequency if success, error code or 0 otherwise.
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*/
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int hal_cpufreq_get_freq_table_freq(int index)
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{
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if (!cpufreq)
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return -ENODEV;
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if (cpufreq->ops->get_freq_table_freq)
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return cpufreq->ops->get_freq_table_freq(index);
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return 0;
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}
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