#include <linux/string.h>

#include "lcm_drv.h"


// ---------------------------------------------------------------------------
//  Local Constants
// ---------------------------------------------------------------------------

#define FRAME_WIDTH  (480)
#define FRAME_HEIGHT (800)


// ---------------------------------------------------------------------------
//  Local Variables
// ---------------------------------------------------------------------------

static LCM_UTIL_FUNCS lcm_util = {0};

#define SET_RESET_PIN(v)    (lcm_util.set_reset_pin((v)))

#define UDELAY(n) (lcm_util.udelay(n))
#define MDELAY(n) (lcm_util.mdelay(n))


// ---------------------------------------------------------------------------
//  Local Functions
// ---------------------------------------------------------------------------


// ---------------------------------------------------------------------------
//  LCM Driver Implementations
// ---------------------------------------------------------------------------

static void lcm_set_util_funcs(const LCM_UTIL_FUNCS *util)
{
    memcpy(&lcm_util, util, sizeof(LCM_UTIL_FUNCS));
}


static void lcm_get_params(LCM_PARAMS *params)
{
    memset(params, 0, sizeof(LCM_PARAMS));

    params->type   = LCM_TYPE_DPI;
    params->ctrl   = LCM_CTRL_NONE;
    params->width  = FRAME_WIDTH;
    params->height = FRAME_HEIGHT;
    
    params->dpi.mipi_pll_clk_ref  = 0;
    params->dpi.mipi_pll_clk_div1 = 42;
    params->dpi.mipi_pll_clk_div2 = 10;
    params->dpi.dpi_clk_div       = 2;
    params->dpi.dpi_clk_duty      = 1;

    params->dpi.clk_pol           = LCM_POLARITY_FALLING;
    params->dpi.de_pol            = LCM_POLARITY_FALLING;
    params->dpi.vsync_pol         = LCM_POLARITY_FALLING;
    params->dpi.hsync_pol         = LCM_POLARITY_FALLING;

    params->dpi.hsync_pulse_width = 4;
    params->dpi.hsync_back_porch  = 10;
    params->dpi.hsync_front_porch = 18;
    params->dpi.vsync_pulse_width = 2;
    params->dpi.vsync_back_porch  = 2;
    params->dpi.vsync_front_porch = 14;
    
    params->dpi.format            = LCM_DPI_FORMAT_RGB888;
    params->dpi.rgb_order         = LCM_COLOR_ORDER_RGB;
    params->dpi.is_serial_output  = 0;

    params->dpi.intermediat_buffer_num = 2;

    params->dpi.io_driving_current = 0;
}


static void lcm_init(void)
{
}


static void lcm_suspend(void)
{
}


static void lcm_resume(void)
{
}


// ---------------------------------------------------------------------------
//  Get LCM Driver Hooks
// ---------------------------------------------------------------------------

const LCM_DRIVER* LCM_GetDriver()
{
    static const LCM_DRIVER LCM_DRV =
    {
        .set_util_funcs = lcm_set_util_funcs,
        .get_params     = lcm_get_params,
        .init           = lcm_init,
        .suspend        = lcm_suspend,
        .resume         = lcm_resume
    };

    return &LCM_DRV;
}