52 lines
964 B
C
52 lines
964 B
C
|
/* 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
|
||
|
|
|