/*
 * drivers/video/sunxi/disp2/disp/lcd/vr_sharp.c
 *
 * Copyright (c) 2007-2019 Allwinnertech Co., Ltd.
 * Author: zhengxiaobin <zhengxiaobin@allwinnertech.com>
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * 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 "vr_sharp.h"

static void lcd_power_on(u32 sel);
static void lcd_power_off(u32 sel);
static void lcd_bl_open(u32 sel);
static void lcd_bl_close(u32 sel);

static void lcd_panel_init(u32 sel);
static void lcd_panel_exit(u32 sel);

#define panel_reset(sel, val) sunxi_lcd_gpio_set_value(sel, 0, val)

static void lcd_cfg_panel_info(panel_extend_para *info)
{
	u32 i = 0, j = 0;
	u32 items;
	u8 lcd_gamma_tbl[][2] = {
		{0, 0},
		{15, 15},
		{30, 30},
		{45, 45},
		{60, 60},
		{75, 75},
		{90, 90},
		{105, 105},
		{120, 120},
		{135, 135},
		{150, 150},
		{165, 165},
		{180, 180},
		{195, 195},
		{210, 210},
		{225, 225},
		{240, 240},
		{255, 255},
	};

	u32 lcd_cmap_tbl[2][3][4] = {
	{
		{LCD_CMAP_G0, LCD_CMAP_B1, LCD_CMAP_G2, LCD_CMAP_B3},
		{LCD_CMAP_B0, LCD_CMAP_R1, LCD_CMAP_B2, LCD_CMAP_R3},
		{LCD_CMAP_R0, LCD_CMAP_G1, LCD_CMAP_R2, LCD_CMAP_G3},
		},
		{
		{LCD_CMAP_B3, LCD_CMAP_G2, LCD_CMAP_B1, LCD_CMAP_G0},
		{LCD_CMAP_R3, LCD_CMAP_B2, LCD_CMAP_R1, LCD_CMAP_B0},
		{LCD_CMAP_G3, LCD_CMAP_R2, LCD_CMAP_G1, LCD_CMAP_R0},
		},
	};

	items = sizeof(lcd_gamma_tbl) / 2;
	for (i = 0; i < items - 1; i++) {
		u32 num = lcd_gamma_tbl[i+1][0] - lcd_gamma_tbl[i][0];

		for (j = 0; j < num; j++) {
			u32 value = 0;

			value = lcd_gamma_tbl[i][1] +
				((lcd_gamma_tbl[i+1][1] - lcd_gamma_tbl[i][1])
				* j) / num;
			info->lcd_gamma_tbl[lcd_gamma_tbl[i][0] + j] =
							(value<<16)
							+ (value<<8) + value;
		}
	}
	info->lcd_gamma_tbl[255] = (lcd_gamma_tbl[items-1][1]<<16) +
					(lcd_gamma_tbl[items-1][1]<<8)
					+ lcd_gamma_tbl[items-1][1];

	memcpy(info->lcd_cmap_tbl, lcd_cmap_tbl, sizeof(lcd_cmap_tbl));

}

static s32 lcd_open_flow(u32 sel)
{
	LCD_OPEN_FUNC(sel, lcd_power_on, 10);
	LCD_OPEN_FUNC(sel, lcd_panel_init, 10);
	LCD_OPEN_FUNC(sel, sunxi_lcd_tcon_enable, 50);
	LCD_OPEN_FUNC(sel, lcd_bl_open, 0);

	return 0;
}

static s32 lcd_close_flow(u32 sel)
{
	LCD_CLOSE_FUNC(sel, lcd_bl_close, 0);
	LCD_CLOSE_FUNC(sel, sunxi_lcd_tcon_disable, 0);
	LCD_CLOSE_FUNC(sel, lcd_panel_exit, 200);
	LCD_CLOSE_FUNC(sel, lcd_power_off, 500);

	return 0;
}

static void lcd_power_on(u32 sel)
{
	sunxi_lcd_power_enable(sel, 0);
	sunxi_lcd_delay_ms(10);
	sunxi_lcd_power_enable(sel, 1);
	sunxi_lcd_delay_ms(10);
	sunxi_lcd_power_enable(sel, 2);
	sunxi_lcd_delay_ms(10);
	sunxi_lcd_pin_cfg(sel, 1);
	sunxi_lcd_delay_ms(50);
	panel_reset(sel, 1);
	sunxi_lcd_delay_ms(10);
	panel_reset(sel, 0);
	sunxi_lcd_delay_ms(50);
	panel_reset(sel, 1);
	sunxi_lcd_delay_ms(10);

}

static void lcd_power_off(u32 sel)
{
	sunxi_lcd_pin_cfg(sel, 0);
	sunxi_lcd_delay_ms(20);
	panel_reset(sel, 0);
	sunxi_lcd_delay_ms(5);
	sunxi_lcd_power_disable(sel, 2);
	sunxi_lcd_delay_ms(5);
	sunxi_lcd_power_disable(sel, 1);
	sunxi_lcd_delay_ms(5);
	sunxi_lcd_power_disable(sel, 0);
}

static void lcd_bl_open(u32 sel)
{
	sunxi_lcd_pwm_enable(sel);
	sunxi_lcd_backlight_enable(sel);
}

static void lcd_bl_close(u32 sel)
{
	sunxi_lcd_backlight_disable(sel);
	sunxi_lcd_pwm_disable(sel);
}

static void lcd_panel_init(u32 sel)
{
	sunxi_lcd_dsi_clk_enable(sel);
	sunxi_lcd_delay_ms(10);
	sunxi_lcd_dsi_dcs_write_0para(sel, 0x11);
	sunxi_lcd_delay_ms(80);
	sunxi_lcd_dsi_dcs_write_0para(sel, 0x29);
	return;
}

static void lcd_panel_exit(u32 sel)
{
	sunxi_lcd_dsi_dcs_write_0para(sel, 0x10);
	sunxi_lcd_delay_ms(80);
	sunxi_lcd_dsi_dcs_write_0para(sel, 0x28);
	sunxi_lcd_delay_ms(50);
	return;
}

/*sel: 0:lcd0; 1:lcd1*/
static s32 lcd_user_defined_func(u32 sel, u32 para1, u32 para2, u32 para3)
{
	return 0;
}

/*
static s32 LCD_set_bright(u32 sel, u32 bright)
{
	return 0;
}
*/

__lcd_panel_t vr_sharp_panel = {
	/* panel driver name, must mach the name of
	 * lcd_drv_name in sys_config.fex
	 */
	.name = "vr_sharp",
	.func = {
		.cfg_panel_info = lcd_cfg_panel_info,
			.cfg_open_flow = lcd_open_flow,
			.cfg_close_flow = lcd_close_flow,
			.lcd_user_defined_func = lcd_user_defined_func,
			/* .set_bright = LCD_set_bright,*/
	},
};
