kernel_samsung_a34x-permissive/drivers/devfreq/helio-dvfsrc-ipi.c
2024-04-28 15:49:01 +02:00

52 lines
964 B
C
Executable file

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2019 MediaTek Inc.
*/
#include <linux/kthread.h>
#include <helio-dvfsrc-ipi.h>
#if defined(CONFIG_MTK_TINYSYS_SSPM_SUPPORT)
static int qos_recv_thread(void *arg)
{
struct ipi_action qos_isr;
struct qos_ipi_data qos_d;
unsigned int rdata, ret;
qos_isr.data = &qos_d;
ret = sspm_ipi_recv_registration(IPI_ID_QOS, &qos_isr);
if (ret) {
pr_info("@%s: sspm_ipi_recv_registration failed.\n", __func__);
return 0;
}
while (1) {
rdata = 0;
sspm_ipi_recv_wait(IPI_ID_QOS);
switch (qos_d.cmd) {
case QOS_IPI_ERROR_HANDLER:
sspm_ipi_send_ack(IPI_ID_QOS, &rdata);
break;
}
}
return 0;
}
void helio_dvfsrc_sspm_ipi_init(int dvfsrc_en)
{
struct qos_ipi_data qos_d;
struct task_struct *qos_task;
qos_task = kthread_run(qos_recv_thread, NULL, "qos_recv");
qos_d.cmd = QOS_IPI_QOS_ENABLE;
qos_d.u.qos_init.dvfsrc_en = dvfsrc_en;
qos_ipi_to_sspm_command(&qos_d, 2);
}
#endif