kernel-brax3-ubuntu-touch/drivers/misc/mediatek/mmdvfs/mtk-mmdvfs-ccu.c
erascape f319b992b1 kernel-5.15: Initial import brax3 UT kernel
* halium configs enabled

Signed-off-by: erascape <erascape@proton.me>
2025-09-23 15:17:10 +00:00

76 lines
1.6 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2022 MediaTek Inc.
*/
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/kthread.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <soc/mediatek/mmdvfs_v3.h>
#define MMDVFS_DBG(fmt, args...) \
pr_notice("[mmdvfs_ccu][dbg]%s: "fmt"\n", __func__, ##args)
static int mmdvfs_call_ccu(struct platform_device *pdev,
enum mtk_ccu_feature_type featureType,
uint32_t msgId, void *inDataPtr, uint32_t inDataSize)
{
int ret = 0;
//MMDVFS_DBG("mmdvfs_call_ccu is called!!!!!!");
ret = mtk_ccu_rproc_ipc_send(
pdev, featureType, msgId, inDataPtr, inDataSize);
return ret;
}
static int mmdvfs_ccu_probe(struct platform_device *pdev)
{
MMDVFS_DBG("is called!!!!!!");
mmdvfs_call_ccu_set_fp(mmdvfs_call_ccu);
return 0;
}
static const struct of_device_id of_mmdvfs_ccu_match_tbl[] = {
{
.compatible = "mediatek,mmdvfs-ccu",
},
{}
};
static struct platform_driver mmdvfs_ccu_drv = {
.probe = mmdvfs_ccu_probe,
.driver = {
.name = "mtk-mmdvfs-ccu",
.of_match_table = of_mmdvfs_ccu_match_tbl,
},
};
static int __init mmdvfs_ccu_init(void)
{
int ret;
ret = platform_driver_register(&mmdvfs_ccu_drv);
if (ret)
MMDVFS_DBG("failed:%d", ret);
return ret;
}
static void __exit mmdvfs_ccu_exit(void)
{
platform_driver_unregister(&mmdvfs_ccu_drv);
}
module_init(mmdvfs_ccu_init);
module_exit(mmdvfs_ccu_exit);
MODULE_DESCRIPTION("MMDVFS ccu Driver");
MODULE_AUTHOR("Anthony Huang<anthony.huang@mediatek.com>");
MODULE_LICENSE("GPL");