/* 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 "LCM"

#ifndef BUILD_LK
#include <linux/string.h>
#include <linux/kernel.h>
#endif

#include "lcm_drv.h"

#ifdef BUILD_LK
#include <platform/upmu_common.h>
#include <platform/mt_gpio.h>
#include <platform/mt_i2c.h>
#include <platform/mt_pmic.h>
#include <string.h>
#elif defined(BUILD_UBOOT)
#include <asm/arch/mt_gpio.h>
#else
#include <mach/mt_pm_ldo.h>
#include <mach/mt_gpio.h>
#endif

#include <cust_gpio_usage.h>

#ifndef MACH_FPGA
#include <cust_i2c.h>
#endif

#ifdef BUILD_LK
#define LCM_LOGI(string, args...)  dprintf(0, "[LK/"LOG_TAG"]"string, ##args)
#define LCM_LOGD(string, args...)  dprintf(1, "[LK/"LOG_TAG"]"string, ##args)
#else
#define LCM_LOGI(fmt, args...)  pr_notice("[KERNEL/"LOG_TAG"]"fmt, ##args)
#define LCM_LOGD(fmt, args...)  pr_debug("[KERNEL/"LOG_TAG"]"fmt, ##args)
#endif

static const unsigned int BL_MIN_LEVEL = 20;
static LCM_UTIL_FUNCS lcm_util;

#define SET_RESET_PIN(v)    (lcm_util.set_reset_pin((v)))
#define MDELAY(n)       (lcm_util.mdelay(n))
#define UDELAY(n)       (lcm_util.udelay(n))

/* --------------------------------------------------------------------------- */
/* Local Functions */
/* --------------------------------------------------------------------------- */

#define dsi_set_cmdq_V2(cmd, count, ppara, force_update) \
	lcm_util.dsi_set_cmdq_V2(cmd, count, ppara, force_update)
#define dsi_set_cmdq(pdata, queue_size, force_update) \
	lcm_util.dsi_set_cmdq(pdata, queue_size, force_update)
#define wrtie_cmd(cmd) lcm_util.dsi_write_cmd(cmd)
#define write_regs(addr, pdata, byte_nums) \
	lcm_util.dsi_write_regs(addr, pdata, byte_nums)
#define read_reg(cmd) \
	lcm_util.dsi_dcs_read_lcm_reg(cmd)
#define read_reg_v2(cmd, buffer, buffer_size) \
	lcm_util.dsi_dcs_read_lcm_reg_v2(cmd, buffer, buffer_size)

#define LCM_DSI_CMD_MODE                                    0
#define FRAME_WIDTH                                     (1440)
#define FRAME_HEIGHT                                    (2560)

#define REGFLAG_DELAY       0xFFFC
#define REGFLAG_UDELAY  0xFFFB
#define REGFLAG_END_OF_TABLE    0xFFFD


#ifndef TRUE
#define TRUE 1
#endif

#ifndef FALSE
#define FALSE 0
#endif

struct LCM_setting_table {
	unsigned int cmd;
	unsigned char count;
	unsigned char para_list[64];
};

static struct LCM_setting_table init_setting[] = {
	{0xFF, 1, {0x10} },
	{0xFB, 1, {0x01} },
	{0xBA, 1, {0x01} },
	{0xBB, 1, {0x03} },
	{0xFF, 1, {0xD0} },
	{0xFB, 1, {0x01} },
	{0x97, 1, {0x04} },
	{0xC8, 1, {0x40} },
	{0xC9, 1, {0x44} },
	{0xFF, 1, {0x10} },
	{0x11, 0, {} },
	{0x51, 1, {0xFF} },
	{0x53, 1, {0x24} },
	{0x29, 0, {} },
};
static void push_table(struct LCM_setting_table *table, unsigned int count, unsigned char force_update)
{
	unsigned int i;

	for (i = 0; i < count; i++) {
		unsigned cmd;
		cmd = table[i].cmd;

		switch (cmd) {
			case REGFLAG_DELAY:
				if (table[i].count <= 10)
					MDELAY(table[i].count);
				else
					MDELAY(table[i].count);
				break;

			case REGFLAG_UDELAY:
				UDELAY(table[i].count);
				break;

			case REGFLAG_END_OF_TABLE:
				break;

			default:
				dsi_set_cmdq_V2(cmd, table[i].count, table[i].para_list, force_update);
		}
	}
}

static void lcm_set_util_funcs(const LCM_UTIL_FUNCS *util)
{
	memcpy(&lcm_util, util, sizeof(LCM_UTIL_FUNCS));
}

static void lcm_get_params(LCM_PARAMS *params)
{
	memset(params, 0, sizeof(LCM_PARAMS));

	params->type = LCM_TYPE_DSI;
	params->width = FRAME_WIDTH;
	params->height = FRAME_HEIGHT;

	params->dsi.mode = SYNC_PULSE_VDO_MODE;
	params->dsi.IsCphy = 1;
	params->dsi.switch_mode = CMD_MODE;

	params->dsi.switch_mode_enable = 0;

	params->dsi.LANE_NUM = LCM_TWO_LANE;

	params->dsi.data_format.color_order = LCM_COLOR_ORDER_RGB;
	params->dsi.data_format.trans_seq = LCM_DSI_TRANS_SEQ_MSB_FIRST;
	params->dsi.data_format.padding = LCM_DSI_PADDING_ON_LSB;
	params->dsi.data_format.format = LCM_DSI_FORMAT_RGB888;

	params->dsi.packet_size = 256;

	params->dsi.PS = LCM_PACKED_PS_24BIT_RGB888;

	params->dsi.vertical_sync_active = 2;
	params->dsi.vertical_backporch = 10;
	params->dsi.vertical_frontporch = 10;
	params->dsi.vertical_active_line = FRAME_HEIGHT;


	params->dsi.horizontal_backporch = 384;
	params->dsi.horizontal_frontporch = 384;
	params->dsi.horizontal_active_pixel = FRAME_WIDTH;
	params->dsi.horizontal_sync_active = 26;

	params->dsi.lane_swap_en = 0;
	params->dsi.clk_lp_per_line_enable = 0;
	params->dsi.esd_check_enable = 0;
	params->dsi.lcm_esd_check_table[0].cmd = 0x53;
	params->dsi.lcm_esd_check_table[0].count = 1;
	params->dsi.lcm_esd_check_table[0].para_list[0] = 0x24;


	params->dsi.LPX = 0x08;
	params->dsi.HS_PRPR = 0x06;
	params->dsi.HS_ZERO = 0x40;
	params->dsi.HS_TRAIL = 0x20;

	params->dsi.TA_GO = 0x20;
	params->dsi.TA_SURE = 0x0C;
	params->dsi.TA_GET = 0x28;
	params->dsi.DA_HS_EXIT = 0x10;

	params->dsi.CONT_DET = 0x00;
	params->dsi.CLK_ZERO = 0x2C;
	params->dsi.CLK_TRAIL = 0x0A;

	params->dsi.CLK_HS_PRPR = 0x07;
	params->dsi.CLK_HS_POST = 0x16;
	params->dsi.CLK_HS_EXIT = 0x10;

	params->dsi.lane_swap_en = 1;
	params->dsi.PHY_SEL0 = 0x65432101;
	params->dsi.PHY_SEL1 = 0x24210987;
	params->dsi.PHY_SEL2 = 0x68543102;
	params->dsi.PHY_SEL3 = 0x00000007;

	params->dsi.PLL_CLOCK = 500;
}

static void lcm_init_power(void)
{
}

static void lcm_suspend_power(void)
{
}

static void lcm_resume_power(void)
{
}

static void lcm_suspend(void)
{

}


static unsigned int lcm_esd_check(void)
{
	return FALSE;
}

static void lcm_setbacklight(unsigned int level)
{
}

static unsigned int lcm_ata_check(unsigned char *buffer)
{
	return 0;
}

static void lcm_update(unsigned int x, unsigned int y, unsigned int width, unsigned int height)
{
}

static void *lcm_switch_mode(int mode)
{
	return NULL;
}

static void lcm_init(void)
{
	SET_RESET_PIN(0);

	SET_RESET_PIN(1);
	MDELAY(1);
	SET_RESET_PIN(0);
	MDELAY(10);

	SET_RESET_PIN(1);
	MDELAY(10);

	push_table(init_setting, sizeof(init_setting) / sizeof(struct LCM_setting_table), 1);
}

static void lcm_resume(void)
{
	lcm_init();
}
static unsigned int lcm_compare_id(void)
{
	return 1;
}
LCM_DRIVER nt36380_wqhd_vdo_lcm_drv = {
	.name = "nt36380_wqhd_vdo_lcm_drv",
	.set_util_funcs = lcm_set_util_funcs,
	.get_params = lcm_get_params,
	.init = lcm_init,
	.suspend = lcm_suspend,
	.resume = lcm_resume,
	.compare_id = lcm_compare_id,
	.init_power = lcm_init_power,
	.resume_power = lcm_resume_power,
	.suspend_power = lcm_suspend_power,
	.esd_check = lcm_esd_check,
	.set_backlight = lcm_setbacklight,
	.ata_check = lcm_ata_check,
	.update = lcm_update,
	.switch_mode = lcm_switch_mode,
};