threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
99 lines
2.2 KiB
C
99 lines
2.2 KiB
C
/*
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* Copyright (C) 2018 MediaTek Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See http://www.gnu.org/licenses/gpl-2.0.html for more details.
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*/
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#include <linux/device.h>
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#include <linux/kernel.h>
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#include <linux/pm_qos.h>
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#include <linux/sysfs.h>
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#include "apu_dvfs.h"
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static struct pm_qos_request dvfs_vvpu_opp_req;
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static struct pm_qos_request dvfs_vvpu2_opp_req;
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static ssize_t dvfs_req_vvpu_opp_store(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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int val = 0;
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if (kstrtoint(buf, 10, &val))
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return -EINVAL;
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pm_qos_update_request(&dvfs_vvpu_opp_req, val);
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return count;
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}
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static DEVICE_ATTR(dvfs_req_vvpu_opp, 0200,
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NULL, dvfs_req_vvpu_opp_store);
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static ssize_t dvfs_req_vvpu2_opp_store(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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int val = 0;
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if (kstrtoint(buf, 10, &val))
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return -EINVAL;
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pm_qos_update_request(&dvfs_vvpu2_opp_req, val);
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return count;
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}
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static DEVICE_ATTR(dvfs_req_vvpu2_opp, 0200,
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NULL, dvfs_req_vvpu2_opp_store);
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static ssize_t dvfs_dump_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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char *p = buf;
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p = apu_dvfs_dump_reg(p);
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return p - buf;
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}
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static DEVICE_ATTR(dvfs_dump, 0444, dvfs_dump_show, NULL);
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static struct attribute *apu_dvfs_attrs[] = {
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&dev_attr_dvfs_req_vvpu_opp.attr,
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&dev_attr_dvfs_req_vvpu2_opp.attr,
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&dev_attr_dvfs_dump.attr,
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NULL,
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};
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static struct attribute_group apu_dvfs_attr_group = {
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.name = "apu_dvfs",
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.attrs = apu_dvfs_attrs,
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};
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int apu_dvfs_add_interface(struct device *dev)
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{
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pm_qos_add_request(&dvfs_vvpu_opp_req, PM_QOS_VVPU_OPP,
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PM_QOS_VVPU_OPP_DEFAULT_VALUE);
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pm_qos_add_request(&dvfs_vvpu2_opp_req, PM_QOS_VVPU_OPP,
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PM_QOS_VVPU_OPP_DEFAULT_VALUE);
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return sysfs_create_group(&dev->kobj, &apu_dvfs_attr_group);
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}
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void apu_dvfs_remove_interface(struct device *dev)
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{
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sysfs_remove_group(&dev->kobj, &apu_dvfs_attr_group);
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}
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