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/*
* Copyright (c) 2019, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/of_address.h>
#include <linux/debugfs.h>
#include <linux/memblock.h>
#include <soc/qcom/early_domain.h>
#include "msm_drv.h"
#include "sde_kms.h"
#include "edrm_kms.h"
#include "sde_splash.h"
#include "edrm_splash.h"
/* scratch registers */
#define SCRATCH_REGISTER_0 0x014
#define SCRATCH_REGISTER_1 0x018
#define SCRATCH_REGISTER_2 0x01C
#define SCRATCH_REGISTER_3 0x020
#define SDE_RUNNING_VALUE 0xC001CAFE
#define SDE_LK_STOP_VALUE 0xDEADDEAD
#define SDE_EXIT_VALUE 0xDEADBEEF
#define SDE_LK_IMMEDIATE_STOP_VALUE 0xFEFEFEFE
/*
* Below function will indicate early display exited or not started.
*/
int edrm_splash_get_lk_status(struct msm_kms *kms)
{
if (get_early_service_status(EARLY_DISPLAY))
return SPLASH_STATUS_RUNNING;
else
return SPLASH_STATUS_NOT_START;
}
/*
* Below function will indicate early display started.
*/
void edrm_display_acquire(struct msm_kms *kms)
{
struct msm_edrm_kms *edrm_kms = to_edrm_kms(kms);
struct sde_kms *master_kms;
struct sde_splash_info *master_sinfo;
struct msm_drm_private *master_priv =
edrm_kms->master_dev->dev_private;
master_kms = to_sde_kms(master_priv->kms);
master_sinfo = &master_kms->splash_info;
master_sinfo->early_display_enabled = true;
}
/*
* Below function will indicate early display exited or not started.
*/
void edrm_display_release(struct msm_kms *kms)
{
struct msm_edrm_kms *edrm_kms = to_edrm_kms(kms);
struct sde_kms *master_kms;
struct sde_splash_info *master_sinfo;
struct msm_drm_private *master_priv =
edrm_kms->master_dev->dev_private;
master_kms = to_sde_kms(master_priv->kms);
master_sinfo = &master_kms->splash_info;
master_sinfo->early_display_enabled = false;
}
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