Function _lcd_layer_init

bsp/allwinner/libraries/drivers/drv_lcd.c:307–383

}

static int _lcd_layer_init(lcd_device_t lcd_drv)
{
    int format;
    int ret;
    unsigned long arg[6] = {0};

    format = _lcd_format_get(lcd_drv->lcd_info.pixel_format);
    if (format < 0)
    {
        rt_kprintf("lcd init faile pixel_format:%d\n", lcd_drv->lcd_info.pixel_format);
        return -RT_ERROR;
    }

    // config layer info
    memset(&layer_cfg, 0, sizeof(layer_cfg));
    layer_cfg.info.b_trd_out = 0;
    layer_cfg.channel = de_feat_get_num_vi_chns(lcd_drv->use_screen); // skip vi channel
    layer_cfg.layer_id = 0;
    layer_cfg.info.fb.format = format;
    layer_cfg.info.fb.crop.x = 0;
    layer_cfg.info.fb.crop.y = 0;
    layer_cfg.info.fb.crop.width = lcd_drv->lcd_info.width;
    layer_cfg.info.fb.crop.height = lcd_drv->lcd_info.height;
    layer_cfg.info.fb.crop.width = layer_cfg.info.fb.crop.width << 32;
    layer_cfg.info.fb.crop.height = layer_cfg.info.fb.crop.height << 32;
    layer_cfg.info.fb.align[0] = 4;
    layer_cfg.info.mode = 0; // LAYER_MODE_BUFFER
    layer_cfg.info.alpha_mode = 1;
    layer_cfg.info.alpha_value = 255;
    layer_cfg.info.zorder = 0;
    layer_cfg.info.screen_win.x = 0;
    layer_cfg.info.screen_win.y = 0;
    layer_cfg.info.screen_win.width = lcd_drv->lcd_info.width;
    layer_cfg.info.screen_win.height = lcd_drv->lcd_info.height;

    layer_cfg.info.fb.size[0].width = lcd_drv->lcd_info.width;
    layer_cfg.info.fb.size[0].height = lcd_drv->lcd_info.height;
    layer_cfg.info.fb.size[1].width = lcd_drv->lcd_info.width;
    layer_cfg.info.fb.size[1].height = lcd_drv->lcd_info.height;
    layer_cfg.info.fb.size[2].width = lcd_drv->lcd_info.width;
    layer_cfg.info.fb.size[2].height = lcd_drv->lcd_info.height;

    layer_cfg.info.fb.addr[0] = (size_t)lcd_drv->front_buf_info.buff_phy;

    /* INTERLEAVED */
    layer_cfg.info.fb.addr[0] = (unsigned long long)(layer_cfg.info.fb.addr[0] + lcd_drv->lcd_info.width * lcd_drv->lcd_info.height / 3 * 0);
    layer_cfg.info.fb.addr[1] = (unsigned long long)(layer_cfg.info.fb.addr[0] + lcd_drv->lcd_info.width * lcd_drv->lcd_info.height / 3 * 1);
    layer_cfg.info.fb.addr[2] = (unsigned long long)(layer_cfg.info.fb.addr[0] + lcd_drv->lcd_info.width * lcd_drv->lcd_info.height / 3 * 2);
    layer_cfg.info.fb.trd_right_addr[0] = (unsigned int)(layer_cfg.info.fb.addr[0] + lcd_drv->lcd_info.width * lcd_drv->lcd_info.height * 3 / 2);
    layer_cfg.info.fb.trd_right_addr[1] = (unsigned int)(layer_cfg.info.fb.trd_right_addr[0] + lcd_drv->lcd_info.width * lcd_drv->lcd_info.height);
    layer_cfg.info.fb.trd_right_addr[2] = (unsigned int)(layer_cfg.info.fb.trd_right_addr[0] + lcd_drv->lcd_info.width * lcd_drv->lcd_info.height * 3 / 2);

    layer_cfg.enable = 1;

    arg[0] = lcd_drv->use_screen;
    arg[1] = (unsigned long)&layer_cfg;
    arg[2] = 1;
    arg[3] = 0;