/* Copyright Statement:
*
* This software/firmware and related documentation ("MediaTek Software") are
* protected under relevant copyright laws. The information contained herein
* is confidential and proprietary to MediaTek Inc. and/or its licensors.
* Without the prior written permission of MediaTek inc. and/or its licensors,
* any reproduction, modification, use or disclosure of MediaTek Software,
* and information contained herein, in whole or in part, shall be strictly prohibited.
*/
/* MediaTek Inc. (C) 2015. All rights reserved.
*
* BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
* SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH
* THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES
* THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
* CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
* SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
* STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND
* CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
*/

#define LOG_TAG "SPLIT"

#include "platform/ddp_log.h"
#include "platform/ddp_info.h"
#include "platform/ddp_reg.h"
#include <platform/disp_drv_platform.h>


static int split_clock_on(DISP_MODULE_ENUM module, void *handle)
{
	ddp_enable_module_clock(module);
	return 0;
}

static int split_clock_off(DISP_MODULE_ENUM module, void *handle)
{
	ddp_disable_module_clock(module);
	return 0;
}

static int split_init(DISP_MODULE_ENUM module, void *handle)
{
	ddp_enable_module_clock(module);
	return 0;
}

static int split_deinit(DISP_MODULE_ENUM module, void *handle)
{
	ddp_enable_module_clock(module);
	return 0;
}

static int split_start(DISP_MODULE_ENUM module, void *handle)
{

#ifdef LK_BYPASS_SHADOW_REG
	DISP_REG_SET_FIELD(handle, FLD_BYPASS_SHADOW,
			  DISP_REG_SPLIT_SHADOW_CTRL, 0x1);
	DISP_REG_SET_FIELD(handle, FLD_READ_WRK_REG,
			  DISP_REG_SPLIT_SHADOW_CTRL, 0x1);

#endif
	DISP_REG_SET_FIELD(handle, ENABLE_FLD_SPLIT_EN, DISP_REG_SPLIT_ENABLE, 0x1);
	return 0;
}

static int split_stop(DISP_MODULE_ENUM module, void *handle)
{
	DISP_REG_SET_FIELD(handle, ENABLE_FLD_SPLIT_EN, DISP_REG_SPLIT_ENABLE, 0x0);
	return 0;
}

static int split_config(DISP_MODULE_ENUM module, disp_ddp_path_config *pConfig, void *handle)
{
	if (!pConfig->dst_dirty)
		return 0;

	/* set HSIZE & VSIZE */
	DISP_REG_SET_FIELD(handle, REG_HSIZE_FLD_HSIZE_L, DISP_REG_SPLIT_HSIZE, pConfig->dst_w/2);
	DISP_REG_SET_FIELD(handle, REG_HSIZE_FLD_HSIZE_R, DISP_REG_SPLIT_HSIZE, pConfig->dst_w/2);
	DISP_REG_SET(handle, DISP_REG_SPLIT_VSIZE, pConfig->dst_h);

	return 0;
}

int split_reset(DISP_MODULE_ENUM module,void *handle)
{
	DISP_REG_SET(handle, DISP_REG_SPLIT_SW_RESET, 0x1);
	DISP_REG_SET(handle, DISP_REG_SPLIT_SW_RESET, 0x0);

	return 0;
}

static int split_dump_regs(DISP_MODULE_ENUM module)
{
	return 0;
}

static int split_dump_analysis(DISP_MODULE_ENUM module)
{
	return 0;
}

static int split_dump(DISP_MODULE_ENUM module, int level)
{
	split_dump_analysis(module);
	split_dump_regs(module);

	return 0;
}


DDP_MODULE_DRIVER ddp_driver_split = {
	.module          = DISP_MODULE_SPLIT0,
	.init            = split_init,
	.deinit          = split_deinit,
	.config          = split_config,
	.start           = split_start,
	.trigger         = NULL,
	.stop            = split_stop,
	.reset           = split_reset,
	.power_on        = split_clock_on,
	.power_off       = split_clock_off,
	.is_idle         = NULL,
	.is_busy         = NULL,
	.dump_info       = split_dump,
	.bypass          = NULL,
	.build_cmdq      = NULL,
	.set_lcm_utils   = NULL,
};