dcu.c
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/*
* Copyright 2016 Freescale Semiconductor, Inc.
*
* FSL DCU Framebuffer driver
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <fsl_dcu_fb.h>
#include "div64.h"
#include "../common/dcu_sii9022a.h"
DECLARE_GLOBAL_DATA_PTR;
unsigned int dcu_set_pixel_clock(unsigned int pixclock)
{
unsigned long long div;
div = (unsigned long long)(gd->bus_clk / 1000);
div *= (unsigned long long)pixclock;
do_div(div, 1000000000);
return div;
}
int platform_dcu_init(unsigned int xres, unsigned int yres,
const char *port,
struct fb_videomode *dcu_fb_videomode)
{
const char *name;
unsigned int pixel_format;
if (strncmp(port, "twr_lcd", 4) == 0) {
name = "TWR_LCD_RGB card";
} else {
name = "HDMI";
dcu_set_dvi_encoder(dcu_fb_videomode);
}
printf("DCU: Switching to %s monitor @ %ux%u\n", name, xres, yres);
pixel_format = 32;
fsl_dcu_init(xres, yres, pixel_format);
return 0;
}