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)
88 lines
1.9 KiB
C
88 lines
1.9 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/kthread.h>
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#ifdef CONFIG_MTK_TINYSYS_SSPM_SUPPORT
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#include <sspm_ipi.h>
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#include <sspm_ipi_pin.h>
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#endif
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#include "mtk_qos_bound.h"
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#include "mtk_qos_ipi.h"
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#if defined(CONFIG_MTK_TINYSYS_SSPM_SUPPORT)
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static void qos_sspm_enable(void)
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{
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struct qos_ipi_data qos_ipi_d;
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qos_ipi_d.cmd = QOS_IPI_QOS_ENABLE;
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qos_ipi_to_sspm_command(&qos_ipi_d, 1);
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}
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static int qos_ipi_recv_thread(void *arg)
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{
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struct ipi_action qos_isr;
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struct qos_ipi_data qos_ipi_d;
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unsigned int rdata, ret;
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qos_isr.data = &qos_ipi_d;
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ret = sspm_ipi_recv_registration(IPI_ID_QOS, &qos_isr);
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if (ret) {
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pr_err("failed to register sspm recv ipi: %u\n", ret);
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return 0;
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}
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qos_sspm_enable();
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do {
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rdata = 0;
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sspm_ipi_recv_wait(IPI_ID_QOS);
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switch (qos_ipi_d.cmd) {
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case QOS_IPI_QOS_BOUND:
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qos_notifier_call_chain(
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qos_ipi_d.u.qos_bound.state,
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get_qos_bound());
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break;
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default:
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pr_err("wrong QoS IPI command: %d\n", qos_ipi_d.cmd);
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}
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} while (!kthread_should_stop());
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return 0;
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}
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#endif
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int qos_ipi_to_sspm_command(void *buffer, int slot)
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{
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int ack_data = 0;
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#if defined(CONFIG_MTK_TINYSYS_SSPM_SUPPORT)
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int ret = sspm_ipi_send_sync(IPI_ID_QOS, IPI_OPT_POLLING,
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buffer, slot, &ack_data, 1);
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if (ret != 0)
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pr_notice("qos_ipi_to_sspm error(%d)\n", ret);
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#endif
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return ack_data;
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}
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void qos_ipi_init(void)
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{
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#if defined(CONFIG_MTK_TINYSYS_SSPM_SUPPORT)
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kthread_run(qos_ipi_recv_thread, NULL, "qos_ipi_recv");
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#endif
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}
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