luban-lite/bsp/artinchip/drv/display/panel/panel_dbi_st77916.c

/*
 * 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 st77916_commands[] = {
    0xF0, 1, 0x28,
    0xF2, 1, 0x28,
    0x73, 1, 0xF0,
    0x7C, 1, 0xD1,
    0x83, 1, 0xE0,
    0x84, 1, 0x61,
    0xF2, 1, 0x82,
    0xF0, 1, 0x00,
    0xF0, 1, 0x01,
    0xF1, 1, 0x01,
    0xB0, 1, 0x5E,
    0xB1, 1, 0x55,
    0xB2, 1, 0x24,
    0xB3, 1, 0x01,
    0xB4, 1, 0x87,
    0xB5, 1, 0x44,
    0xB6, 1, 0x8B,
    0xB7, 1, 0x40,
    0xB8, 1, 0x86,
    0xB9, 1, 0x15,
    0xBA, 1, 0x00,
    0xBB, 1, 0x08,
    0xBC, 1, 0x08,
    0xBD, 1, 0x00,
    0xBE, 1, 0x00,
    0xBF, 1, 0x07,
    0xC0, 1, 0x80,
    0xC1, 1, 0x10,
    0xC2, 1, 0x37,
    0xC3, 1, 0x80,
    0xC4, 1, 0x10,
    0xC5, 1, 0x37,
    0xC6, 1, 0xA9,
    0xC7, 1, 0x41,
    0xC8, 1, 0x01,
    0xC9, 1, 0xA9,
    0xCA, 1, 0x41,
    0xCB, 1, 0x01,
    0xCC, 1, 0x7F,
    0xCD, 1, 0x7F,
    0xCE, 1, 0xFF,
    0xD0, 1, 0x91,
    0xD1, 1, 0x68,
    0xD2, 1, 0x68,
    0xF5, 2, 0x00, 0xA5,
    0xDD, 1, 0x40,
    0xDE, 1, 0x40,
    0xF1, 1, 0x10,
    0xF0, 1, 0x00,
    0xF0, 1, 0x02,
    0xE0, 14, 0xF0, 0x10, 0x18, 0x0D, 0x0C, 0x38, 0x3E, 0x44, 0x51, 0x39, 0x15, 0x15, 0x30, 0x34,
    0xE1, 14, 0xF0, 0x0F, 0x17, 0x0D, 0x0B, 0x07, 0x3E, 0x33, 0x51, 0x39, 0x15, 0x15, 0x30, 0x34,
    0xF0, 1, 0x10,
    0xF3, 1, 0x10,
    0xE0, 1, 0x08,
    0xE1, 1, 0x00,
    0xE2, 1, 0x00,
    0xE3, 1, 0x00,
    0xE4, 1, 0xE0,
    0xE5, 1, 0x06,
    0xE6, 1, 0x21,
    0xE7, 1, 0x03,
    0xE8, 1, 0x05,
    0xE9, 1, 0x02,
    0xEA, 1, 0xE9,
    0xEB, 1, 0x00,
    0xEC, 1, 0x00,
    0xED, 1, 0x14,
    0xEE, 1, 0xFF,
    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, 0x05,
    0x62, 1, 0x00,
    0x63, 1, 0x42,
    0x64, 1, 0xDA,
    0x65, 1, 0x00,
    0x66, 1, 0x00,
    0x67, 1, 0x00,
    0x68, 1, 0x00,
    0x69, 1, 0x00,
    0x6A, 1, 0x00,
    0x6B, 1, 0x00,
    0x70, 1, 0x40,
    0x71, 1, 0x04,
    0x72, 1, 0x00,
    0x73, 1, 0x42,
    0x74, 1, 0xD9,
    0x75, 1, 0x00,
    0x76, 1, 0x00,
    0x77, 1, 0x00,
    0x78, 1, 0x00,
    0x79, 1, 0x00,
    0x7A, 1, 0x00,
    0x7B, 1, 0x00,
    0x80, 1, 0x48,
    0x81, 1, 0x00,
    0x82, 1, 0x07,
    0x83, 1, 0x02,
    0x84, 1, 0xD7,
    0x85, 1, 0x04,
    0x86, 1, 0x00,
    0x87, 1, 0x00,
    0x88, 1, 0x48,
    0x89, 1, 0x00,
    0x8A, 1, 0x09,
    0x8B, 1, 0x02,
    0x8C, 1, 0xD9,
    0x8D, 1, 0x04,
    0x8E, 1, 0x00,
    0x8F, 1, 0x00,
    0x90, 1, 0x48,
    0x91, 1, 0x00,
    0x92, 1, 0x0B,
    0x93, 1, 0x02,
    0x94, 1, 0xDB,
    0x95, 1, 0x04,
    0x96, 1, 0x00,
    0x97, 1, 0x00,
    0x98, 1, 0x48,
    0x99, 1, 0x00,
    0x9A, 1, 0x0D,
    0x9B, 1, 0x02,
    0x9C, 1, 0xDD,
    0x9D, 1, 0x04,
    0x9E, 1, 0x00,
    0x9F, 1, 0x00,
    0xA0, 1, 0x48,
    0xA1, 1, 0x00,
    0xA2, 1, 0x06,
    0xA3, 1, 0x02,
    0xA4, 1, 0xD6,
    0xA5, 1, 0x04,
    0xA6, 1, 0x00,
    0xA7, 1, 0x00,
    0xA8, 1, 0x48,
    0xA9, 1, 0x00,
    0xAA, 1, 0x08,
    0xAB, 1, 0x02,
    0xAC, 1, 0xD8,
    0xAD, 1, 0x04,
    0xAE, 1, 0x00,
    0xAF, 1, 0x00,
    0xB0, 1, 0x48,
    0xB1, 1, 0x00,
    0xB2, 1, 0x0A,
    0xB3, 1, 0x02,
    0xB4, 1, 0xDA,
    0xB5, 1, 0x04,
    0xB6, 1, 0x00,
    0xB7, 1, 0x00,
    0xB8, 1, 0x48,
    0xB9, 1, 0x00,
    0xBA, 1, 0x0C,
    0xBB, 1, 0x02,
    0xBC, 1, 0xDC,
    0xBD, 1, 0x04,
    0xBE, 1, 0x00,
    0xBF, 1, 0x00,
    0xC0, 1, 0x10,
    0xC1, 1, 0x47,
    0xC2, 1, 0x56,
    0xC3, 1, 0x65,
    0xC4, 1, 0x74,
    0xC5, 1, 0x88,
    0xC6, 1, 0x99,
    0xC7, 1, 0x01,
    0xC8, 1, 0xBB,
    0xC9, 1, 0xAA,
    0xD0, 1, 0x10,
    0xD1, 1, 0x47,
    0xD2, 1, 0x56,
    0xD3, 1, 0x65,
    0xD4, 1, 0x74,
    0xD5, 1, 0x88,
    0xD6, 1, 0x99,
    0xD7, 1, 0x01,
    0xD8, 1, 0xBB,
    0xD9, 1, 0xAA,
    0xF3, 1, 0x01,
    0xF0, 1, 0x00,
    0x3A, 1, 0x55,
    0x2A, 4, 0x00, 0x00, 0x01, 0x67,
    0x2B, 4, 0x00, 0x00, 0x01, 0x67,
    0x35, 1, 0x00,
    0x21, 0,
    0x11, 0,
    0x00, 1, 120,
    0x29, 0,
};

#define ST77916_RESET_PIN "PD.23"
static struct gpio_desc reset;

static int panel_prepare(void)
{
    panel_get_gpio(&reset, ST77916_RESET_PIN);

    panel_gpio_set_value(&reset, 1);
    aic_delay_ms(120);
    return 0;
}

static struct aic_panel_funcs st77916_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 st77916_timing = {
    .pixelclock   = 4300000,

    .hactive      = 360,
    .hback_porch  = 3,
    .hfront_porch = 3,
    .hsync_len    = 3,

    .vactive      = 360,
    .vback_porch  = 3,
    .vfront_porch = 3,
    .vsync_len    = 3,
};

static struct panel_dbi dbi = {
    .type = SPI,
    .format = SPI_4LINE_RGB565,
    .commands = {
        .buf = st77916_commands,
        .len = ARRAY_SIZE(st77916_commands),
    }
};

struct aic_panel dbi_st77916 = {
    .name = "panel-st77916",
    .timings = &st77916_timing,
    .funcs = &st77916_funcs,
    .dbi = &dbi,
    .connector_type = AIC_DBI_COM,
};