/* drivers/video/fbdev/sunxi/disp2/disp/lcd/frd450h40014.c
 *
 * Copyright (c) 2017 Allwinnertech Co., Ltd.
 * Author: zhengxiaobin <zhengxiaobin@allwinnertech.com>
 *
 * frd450h40014 panel driver
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * [lcd0]
 * lcd_used            = 1

 * lcd_driver_name     = "frd450h40014"
 * lcd_backlight       = 100

 * lcd_if              = 4
 * lcd_x               = 480
 * lcd_y               = 854
 * lcd_width           = 55
 * lcd_height          = 99
 * lcd_dclk_freq       = 34

 * lcd_pwm_used        = 1
 * lcd_pwm_ch          = 8
 * lcd_pwm_freq        = 50000
 * lcd_pwm_pol         = 1
 * lcd_pwm_max_limit   = 255

 * lcd_hbp             = 112
 * lcd_ht              = 640
 * lcd_hspw            = 32
 * lcd_vbp             = 20
 * lcd_vt              = 879
 * lcd_vspw            = 2

 * lcd_dsi_if          = 0
 * lcd_dsi_lane        = 2
 * lcd_dsi_format      = 0
 * lcd_dsi_te          = 0
 * lcd_dsi_eotp        = 0

 * lcd_frm             = 1
 * lcd_io_phase        = 0x0000
 * lcd_hv_clk_phase    = 0
 * lcd_hv_sync_polarity= 0
 * lcd_gamma_en        = 0
 * lcd_bright_curve_en = 0
 * lcd_cmap_en         = 0

 * lcdgamma4iep        = 22

 * lcd_bl_en           = port:PB07<1><0><default><1>
 * lcd_pin_power       = "vcc18-dsi"
 * lcd_pin_power1       = "vcc-pd"
 * lcd_power           = "vcc-lcd"
 * lcd_gpio_0          = port:PB06<1><0><default><1>
*/
#include "frd450h40014.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(struct 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, 120);
    LCD_OPEN_FUNC(sel, lcd_panel_init, 10);
    LCD_OPEN_FUNC(sel, sunxi_lcd_tcon_enable, 10);
    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, lcd_panel_exit, 10);
    LCD_CLOSE_FUNC(sel, sunxi_lcd_tcon_disable, 10);
    LCD_CLOSE_FUNC(sel, lcd_power_off, 10);

    return 0;
}

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

static void lcd_power_off(u32 sel)
{
    panel_reset(sel, 0);
    sunxi_lcd_pin_cfg(sel, 0);
    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);
}

struct LCM_setting_table {
    u8 cmd;
    u32 count;
    u8 para_list[64];
};

#define REGFLAG_DELAY         0x00
#define REGFLAG_END_OF_TABLE  0xFE   /* END OF REGISTERS MARKER */

static struct LCM_setting_table lcm_initialization_setting[] = {
    { 0x11, 1, {0x00} },
    { REGFLAG_DELAY, 120, {} },
    { 0xFF, 5, {0x77, 0x01, 0x00, 0x00, 0x10} },
    { 0xC0, 2, {0xe9, 0x03} },
    { 0xC1, 2, {0x11, 0x02} },
    { 0xC2, 2, {0x31, 0x08} },
    { 0xCC, 1, {0x10} },
    { 0xB0, 16, {0x00, 0x03, 0x8A, 0x10, 0x15, 0x09, 0x05, 0x0A,
               0x0A, 0x1A, 0x07, 0x13, 0x0F, 0x0D, 0x10, 0x19} },
    { 0xB1, 16, {0x00, 0x03, 0x08, 0x0F, 0x14, 0x0A, 0x04, 0x09,
               0x09, 0x1E, 0x0A, 0x17, 0x15, 0x14, 0x1A, 0x19} },
    { 0xFF, 5, {0x77, 0x01, 0x00, 0x00, 0x11} },
    { 0xB0, 1, {0x50} },
    { 0xB1, 1, {0x49} },
    { 0xB2, 1, {0x07} },
    { 0xB3, 1, {0x80} },
    { 0xB5, 1, {0x47} },
    { 0xB7, 1, {0x85} },
    { 0xB8, 1, {0x21} },
    { 0xB9, 1, {0x10} },
    { 0xC1, 1, {0x78} },
    { 0xC2, 1, {0x78} },
    { 0xD0, 1, {0x88} },
    { REGFLAG_DELAY, 100, {} },
    { 0xE0, 3, {0x00, 0x00, 0x02} },
    { 0xE1, 11, {0x08, 0x00, 0x0A, 0x00, 0x07, 0x00, 0x09, 0x00,
               0x00, 0x33, 0x33} },
    { 0xE2, 11, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
               0x00, 0x00, 0x00} },
    { 0xE3, 4, {0x00, 0x00, 0x33, 0x33} },
    { 0xE4, 2, {0x44, 0x44} },
    { 0xE5, 16, {0x0E, 0x60, 0xA0, 0xA0, 0x10, 0x60, 0xA0, 0xA0,
               0x0A, 0x60, 0xA0, 0xA0, 0x0C, 0x60, 0xA0, 0xA0} },
    { 0xE6, 4, {0x00, 0x00, 0x33, 0x33} },
    { 0xE7, 2, {0x44, 0x44} },
    { 0xE8, 16, {0x0D, 0x60, 0xA0, 0xA0, 0x0F, 0x60, 0xA0, 0xA0,
               0x09, 0x60, 0xA0, 0xA0, 0x0B, 0x60, 0xA0, 0xA0} },
    { 0xEB, 7, {0x02, 0x01, 0xE4, 0xE4, 0x44, 0x00, 0x40} },
    { 0xEC, 2, {0x02, 0x01} },
    { 0xED, 16, {0xAB, 0x89, 0x76, 0x54, 0x01, 0xFF, 0xFF, 0xFF,
               0xFF, 0xFF, 0xFF, 0x10, 0x45, 0x67, 0x98, 0xBA} },
    { 0xFF, 5, {0x77, 0x01, 0x00, 0x00, 0x00} },
    { 0x29, 1, {0x00} },
    { REGFLAG_DELAY, 5, {} },
    { REGFLAG_END_OF_TABLE, 0x00, {} }
};

static void lcd_panel_init(u32 sel)
{
    u32 i;

    sunxi_lcd_dsi_clk_enable(sel);


    for (i = 0; ; i++) {
        if (lcm_initialization_setting[i].cmd == REGFLAG_END_OF_TABLE)
            break;
        else if (lcm_initialization_setting[i].cmd == REGFLAG_DELAY)
            sunxi_lcd_delay_ms(lcm_initialization_setting[i].count);
        else {
            dsi_dcs_wr(0, lcm_initialization_setting[i].cmd,
                    lcm_initialization_setting[i].para_list,
                    lcm_initialization_setting[i].count);
        }
    }
}

static void lcd_panel_exit(u32 sel)
{
    sunxi_lcd_dsi_dcs_write_0para(sel, 0x28);
    sunxi_lcd_delay_ms(5);
    sunxi_lcd_dsi_dcs_write_0para(sel, 0x10);
}

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

struct __lcd_panel frd450h40014_panel = {
    /* panel driver name, must mach the name of
     * lcd_drv_name in sys_config.fex
     */
    .name = "frd450h40014",
    .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,
    },
};