/*
 * Copyright (C) 2025, ArtInChip Technology Co., Ltd
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include "panel_com.h"
#include "panel_dbi.h"

/* Init sequence, each line consists of command, count of data, data... */
static const u8 st77912_commands[] = {
    0xF0, 1, 0x01,
    0xF1, 1, 0x01,
    0x7A, 1, 0x83,
    0xB0, 1, 0x5E,
    0xB1, 1, 0x55,
    0xB2, 1, 0x24,
    0xB4, 1, 0xA7,
    0xB5, 1, 0x54,
    0xB6, 1, 0x8B,
    0xB7, 1, 0x50,
    0xBA, 1, 0x00,
    0xBB, 1, 0x08,
    0xBC, 1, 0x08,
    0xBD, 1, 0x00,
    0xC0, 1, 0x80,
    0xC1, 1, 0x08,
    0xC2, 1, 0x54,
    0xC3, 1, 0x80,
    0xC4, 1, 0x08,
    0xC5, 1, 0x54,
    0xC6, 1, 0xA9,
    0xC7, 1, 0x41,
    0xC8, 1, 0x51,
    0xC9, 1, 0xA9,
    0xCA, 1, 0x41,
    0xCB, 1, 0x51,
    0xD0, 1, 0x80,
    0xD1, 1, 0xF0,
    0xD2, 1, 0xF0,

    0xF5,2, 0x00, 0xA5,

    0xDD, 1, 0x36,
    0xDE, 1, 0x36,
    0xF0, 1, 0x02,
    0xF1, 1, 0x01,

    0xE0, 14, 0xF0, 0x16, 0x1C, 0x0A, 0x0A, 0x06, 0x3E, 0x33, 0x53, 0x07, 0x14, 0x13, 0x31, 0x35,

    0xE1, 14, 0xF0, 0x16, 0x1C, 0x0A, 0x0A, 0x06, 0x3E, 0x33, 0x53, 0x07, 0x14, 0x13, 0x31, 0x35,

    0xF0, 1, 0x10,
    0xF3, 1, 0x10,
    0xE0, 1, 0x0B,
    0xE1, 1, 0x00,
    0xE2, 1, 0x00,
    0xE3, 1, 0x00,
    0xE4, 1, 0xE0,
    0xE5, 1, 0x06,
    0xE6, 1, 0x21,
    0xE7, 1, 0x80,
    0xE8, 1, 0x0A,
    0xE9, 1, 0x00,
    0xEA, 1, 0x04,
    0xEB, 1, 0x00,
    0xEC, 1, 0x00,
    0xED, 1, 0x24,
    0xEE, 1, 0x00,
    0xEF, 1, 0x00,
    0xF8, 1, 0xFF,
    0xF9, 1, 0x00,
    0xFA, 1, 0x00,
    0xFB, 1, 0x30,
    0xFC, 1, 0x00,
    0xFD, 1, 0x00,
    0xFE, 1, 0x00,
    0xFF, 1, 0x00,
    0x60, 1, 0x40,
    0x61, 1, 0x08,
    0x62, 1, 0x00,
    0x63, 1, 0x41,
    0x64, 1, 0xED,
    0x65, 1, 0x00,
    0x66, 1, 0x40,
    0x67, 1, 0x00,
    0x68, 1, 0x00,
    0x69, 1, 0x40,
    0x6A, 1, 0x00,
    0x6B, 1, 0x00,
    0x70, 1, 0x40,
    0x71, 1, 0x07,
    0x72, 1, 0x00,
    0x73, 1, 0x41,
    0x74, 1, 0xEC,
    0x75, 1, 0x00,
    0x76, 1, 0x40,
    0x77, 1, 0x00,
    0x78, 1, 0x00,
    0x79, 1, 0x40,
    0x7A, 1, 0x00,
    0x7B, 1, 0x00,
    0x80, 1, 0x48,
    0x81, 1, 0x00,
    0x82, 1, 0x0A,
    0x83, 1, 0x01,
    0x84, 1, 0xEA,
    0x85, 1, 0x00,
    0x86, 1, 0x00,
    0x87, 1, 0x00,
    0x88, 1, 0x48,
    0x89, 1, 0x00,
    0x8A, 1, 0x0C,
    0x8B, 1, 0x01,
    0x8C, 1, 0xEC,
    0x8D, 1, 0x00,
    0x8E, 1, 0x00,
    0x8F, 1, 0x00,
    0x90, 1, 0x48,
    0x91, 1, 0x00,
    0x92, 1, 0x0E,
    0x93, 1, 0x01,
    0x94, 1, 0xEE,
    0x95, 1, 0x00,
    0x96, 1, 0x00,
    0x97, 1, 0x00,
    0x98, 1, 0x48,
    0x99, 1, 0x00,
    0x9A, 1, 0x10,
    0x9B, 1, 0x01,
    0x9C, 1, 0xF0,
    0x9D, 1, 0x00,
    0x9E, 1, 0x00,
    0x9F, 1, 0x00,
    0xA0, 1, 0x48,
    0xA1, 1, 0x00,
    0xA2, 1, 0x09,
    0xA3, 1, 0x01,
    0xA4, 1, 0xE9,
    0xA5, 1, 0x00,
    0xA6, 1, 0x00,
    0xA7, 1, 0x00,
    0xA8, 1, 0x48,
    0xA9, 1, 0x00,
    0xAA, 1, 0x0B,
    0xAB, 1, 0x01,
    0xAC, 1, 0xEB,
    0xAD, 1, 0x00,
    0xAE, 1, 0x00,
    0xAF, 1, 0x00,
    0xB0, 1, 0x48,
    0xB1, 1, 0x00,
    0xB2, 1, 0x0D,
    0xB3, 1, 0x01,
    0xB4, 1, 0xED,
    0xB5, 1, 0x00,
    0xB6, 1, 0x00,
    0xB7, 1, 0x00,
    0xB8, 1, 0x48,
    0xB9, 1, 0x00,
    0xBA, 1, 0x0F,
    0xBB, 1, 0x01,
    0xBC, 1, 0xEF,
    0xBD, 1, 0x00,
    0xBE, 1, 0x00,
    0xBF, 1, 0x00,
    0xC0, 1, 0x88,
    0xC1, 1, 0x99,
    0xC2, 1, 0x01,
    0xC3, 1, 0xAA,
    0xC4, 1, 0xBB,
    0xC5, 1, 0x74,
    0xC6, 1, 0x65,
    0xC7, 1, 0x56,
    0xC8, 1, 0x47,
    0xC9, 1, 0x10,
    0xD0, 1, 0x88,
    0xD1, 1, 0x99,
    0xD2, 1, 0x01,
    0xD3, 1, 0xAA,
    0xD4, 1, 0xBB,
    0xD5, 1, 0x74,
    0xD6, 1, 0x65,
    0xD7, 1, 0x56,
    0xD8, 1, 0x47,
    0xD9, 1, 0x10,

    0xF0, 1, 0x08,
    0xF2, 1, 0x08,
    0x71, 1, 0x03,
    0x73, 1, 0x30,
    0x76, 1, 0x00,
    0x78, 1, 0x33,
    0x79, 1, 0x01,
    0x7B, 1, 0xFA,
    0x7E, 1, 0x16,
    0x86, 1, 0x55,
    0x89, 1, 0x61,
    0x8A, 1, 0x00,
    0xF0, 1, 0x01,
    0xF1, 1, 0x01,
    0xA0, 1, 0x0B,

    0xA3, 1, 0x2A,
    0xA5, 1, 0xC3,

    0x00, 1, 1,

    0xA3, 1, 0x2B,
    0xA5, 1, 0xC3,

    0x00, 1, 1,

    0xA3, 1, 0x2C,
    0xA5, 1, 0xC3,

    0x00, 1, 1,

    0xA3, 1, 0x2D,
    0xA5, 1, 0xC3,

    0x00, 1, 1,

    0xA3, 1, 0x2E,
    0xA5, 1, 0xC3,

    0x00, 1, 1,

    0xA3, 1, 0x2F,
    0xA5, 1, 0xC3,

    0x00, 1, 1,

    0xA3, 1, 0x30,
    0xA5, 1, 0xC3,

    0x00, 1, 1,

    0xA3, 1, 0x31,
    0xA5, 1, 0xC3,

    0x00, 1, 1,

    0xA3, 1, 0x32,
    0xA5, 1, 0xC3,

    0x00, 1, 1,

    0xA3, 1, 0x33,
    0xA5, 1, 0xC3,

    0x00, 1, 1,

    0xA0, 1, 0x09,
    0xF0, 1, 0x00,
    0xF1, 1, 0x10,
    0xF2, 1, 0x84,
    0xF3, 1, 0x01,

    0x3A, 1, 0x05,

    0x21, 0,
    0x11, 0,

    0x00, 1, 120,

    0x29, 0,
};

#define RESET_PIN "PD.18"
static struct gpio_desc reset;

static int panel_prepare(void)
{
    panel_get_gpio(&reset, RESET_PIN);

    panel_gpio_set_value(&reset, 1);
    aic_delay_ms(120);

    return 0;
}

static struct aic_panel_funcs st77912_funcs = {
    .prepare = panel_prepare,
    .enable = panel_dbi_default_enable,
    .disable = panel_default_disable,
    .unprepare = panel_default_unprepare,
    .register_callback = panel_register_callback,
};

static struct display_timing st77912_timing = {
    .pixelclock   = 2500000,

    .hactive      = 240,
    .hback_porch  = 6,
    .hfront_porch = 6,
    .hsync_len    = 6,

    .vactive      = 240,
    .vback_porch  = 2,
    .vfront_porch = 2,
    .vsync_len    = 2,
};

static struct panel_dbi dbi = {
    .type = SPI,
    .format = SPI_4LINE_RGB565,
    .commands = {
        .buf = st77912_commands,
        .len = ARRAY_SIZE(st77912_commands),
    }
};

struct aic_panel dbi_st77912 = {
    .name = "panel-st77912",
    .timings = &st77912_timing,
    .funcs = &st77912_funcs,
    .dbi = &dbi,
    .connector_type = AIC_DBI_COM,
};