acrn-kernel/arch/arm/mach-s5pv210/setup-fb-24bpp.c

51 lines
1.4 KiB
C

/* linux/arch/arm/plat-s5pv210/setup-fb-24bpp.c
*
* Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* Base s5pv210 setup information for 24bpp LCD framebuffer
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/fb.h>
#include <linux/gpio.h>
#include <mach/regs-fb.h>
#include <mach/map.h>
#include <plat/fb.h>
#include <mach/regs-clock.h>
#include <plat/gpio-cfg.h>
static void s5pv210_fb_cfg_gpios(unsigned int base, unsigned int nr)
{
s3c_gpio_cfgrange_nopull(base, nr, S3C_GPIO_SFN(2));
for (; nr > 0; nr--, base++)
s5p_gpio_set_drvstr(base, S5P_GPIO_DRVSTR_LV4);
}
void s5pv210_fb_gpio_setup_24bpp(void)
{
s5pv210_fb_cfg_gpios(S5PV210_GPF0(0), 8);
s5pv210_fb_cfg_gpios(S5PV210_GPF1(0), 8);
s5pv210_fb_cfg_gpios(S5PV210_GPF2(0), 8);
s5pv210_fb_cfg_gpios(S5PV210_GPF3(0), 4);
/* Set DISPLAY_CONTROL register for Display path selection.
*
* ouput | RGB | I80 | ITU
* -----------------------------------
* 00 | MIE | FIMD | FIMD
* 01 | MDNIE | MDNIE | FIMD
* 10 | FIMD | FIMD | FIMD
* 11 | FIMD | FIMD | FIMD
*/
writel(0x2, S5P_MDNIE_SEL);
}