kernel_samsung_a34x-permissive/drivers/misc/mediatek/aee/mrdump/mrdump_hw.c

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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2016 MediaTek Inc.
*/
#include <linux/kconfig.h>
#include <linux/module.h>
#include <linux/string.h>
#include "mrdump_private.h"
#include <mrdump.h>
#if IS_ENABLED(CONFIG_MTK_DFD_INTERNAL_DUMP)
#include <mtk_platform_debug.h>
#endif
#if IS_ENABLED(CONFIG_MTK_DBGTOP)
#include <dbgtop.h>
#else
#if IS_ENABLED(CONFIG_MTK_WATCHDOG)
#include <mtk_wd_api.h>
#endif
#endif
#if IS_ENABLED(CONFIG_MTK_DBGTOP)
static void mrdump_dbgtop_dram_reserved(bool drm_ready)
{
int res;
if (drm_ready == true) {
pr_notice("%s: Trying to enable DDR Reserve Mode(%d)\n",
__func__, drm_ready);
res = mtk_dbgtop_dram_reserved(drm_ready);
if (res == 0) {
pr_notice("%s: DDR reserved mode enable ok\n",
__func__);
} else {
pr_notice("%s: mtk_dbgtop_dram_reserved error(%d)\n",
__func__, res);
}
} else {
pr_notice("%s: DDR Reserve Mode disabled.(%d)\n",
__func__, drm_ready);
}
}
#else
#if IS_ENABLED(CONFIG_MTK_WATCHDOG)
static void mrdump_wd_dram_reserved_mode(bool drm_ready)
{
int res;
struct wd_api *wd_api;
res = get_wd_api(&wd_api);
if (res < 0) {
pr_notice("%s: get wd api error (%d)\n", __func__, res);
} else {
if (drm_ready) {
res = wd_api->wd_dram_reserved_mode(drm_ready);
pr_notice("%s: DDR reserved mode enabled\n",
__func__);
} else {
pr_notice("%s: DDR reserved mode not ready, disabled\n",
__func__);
}
pr_notice("%s: config is not enabled yet\n", __func__);
}
}
#endif
#endif
int __init mrdump_hw_init(bool drm_ready)
{
#if IS_ENABLED(CONFIG_MTK_DBGTOP)
mrdump_dbgtop_dram_reserved(drm_ready);
#else
#if IS_ENABLED(CONFIG_MTK_WATCHDOG)
mrdump_wd_dram_reserved_mode(drm_ready);
#endif
#endif
pr_info("%s: init_done.\n", __func__);
#if IS_ENABLED(CONFIG_MTK_DFD_INTERNAL_DUMP)
if (dfd_setup(DFD_BASIC_DUMP) == -1)
pr_notice("%s: DFD disabled\n", __func__);
else
pr_notice("%s: DFD enabled\n", __func__);
#endif
return 0;
}
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("MediaTek AEE module");
MODULE_AUTHOR("MediaTek Inc.");