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u-boot/drivers/video/nexell/soc/s5pxx18_soc_lvds.c
Stefan Bosch ee647449c0 video: add nexell video driver (soc: lvds, hdmi)
Low level functions for LVDS and HDMI display interfaces.

Signed-off-by: Stefan Bosch <stefan_b@posteo.net>
2020-07-29 08:43:40 -04:00

278 lines
6.1 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2016 Nexell Co., Ltd.
*
* Author: junghyun, kim <jhkim@nexell.co.kr>
*/
#include <linux/types.h>
#include <linux/io.h>
#include "s5pxx18_soc_disptop.h"
#include "s5pxx18_soc_lvds.h"
#ifndef pow
static inline unsigned int pow(int a, int b)
{
if (b == 0)
return 1;
else
return a * pow(a, b - 1);
}
#endif
static struct nx_lvds_register_set *__g_pregister[NUMBER_OF_LVDS_MODULE];
int nx_lvds_initialize(void)
{
static int binit;
u32 i;
if (binit == 0) {
for (i = 0; i < NUMBER_OF_LVDS_MODULE; i++)
__g_pregister[i] = NULL;
binit = 1;
}
return 1;
}
u32 nx_lvds_get_number_of_module(void)
{
return NUMBER_OF_LVDS_MODULE;
}
u32 nx_lvds_get_size_of_register_set(void)
{
return sizeof(struct nx_lvds_register_set);
}
void nx_lvds_set_base_address(u32 module_index, void *base_address)
{
__g_pregister[module_index] =
(struct nx_lvds_register_set *)base_address;
}
void *nx_lvds_get_base_address(u32 module_index)
{
return (void *)__g_pregister[module_index];
}
u32 nx_lvds_get_physical_address(u32 module_index)
{
const u32 physical_addr[] = PHY_BASEADDR_LVDS_LIST;
return physical_addr[module_index];
}
int nx_lvds_open_module(u32 module_index)
{
return true;
}
int nx_lvds_close_module(u32 module_index)
{
return true;
}
int nx_lvds_check_busy(u32 module_index)
{
return false;
}
void nx_lvds_set_lvdsctrl0(u32 module_index, u32 regvalue)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
writel(regvalue, &pregister->lvdsctrl0);
}
void nx_lvds_set_lvdsctrl1(u32 module_index, u32 regvalue)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
writel(regvalue, &pregister->lvdsctrl1);
}
void nx_lvds_set_lvdsctrl2(u32 module_index, u32 regvalue)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
writel(regvalue, &pregister->lvdsctrl2);
}
void nx_lvds_set_lvdsctrl3(u32 module_index, u32 regvalue)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
writel(regvalue, &pregister->lvdsctrl3);
}
void nx_lvds_set_lvdsctrl4(u32 module_index, u32 regvalue)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
writel(regvalue, &pregister->lvdsctrl4);
}
void nx_lvds_set_lvdstmode0(u32 module_index, u32 regvalue)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
writel(regvalue, &pregister->lvdstmode0);
}
void nx_lvds_set_lvdsloc0(u32 module_index, u32 regvalue)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
writel(regvalue, &pregister->lvdsloc0);
}
void nx_lvds_set_lvdsloc1(u32 module_index, u32 regvalue)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
writel(regvalue, &pregister->lvdsloc1);
}
void nx_lvds_set_lvdsloc2(u32 module_index, u32 regvalue)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
writel(regvalue, &pregister->lvdsloc2);
}
void nx_lvds_set_lvdsloc3(u32 module_index, u32 regvalue)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
writel(regvalue, &pregister->lvdsloc3);
}
void nx_lvds_set_lvdsloc4(u32 module_index, u32 regvalue)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
writel(regvalue, &pregister->lvdsloc4);
}
void nx_lvds_set_lvdsloc5(u32 module_index, u32 regvalue)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
writel(regvalue, &pregister->lvdsloc5);
}
void nx_lvds_set_lvdsloc6(u32 module_index, u32 regvalue)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
writel(regvalue, &pregister->lvdsloc6);
}
void nx_lvds_set_lvdslocmask0(u32 module_index, u32 regvalue)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
writel(regvalue, &pregister->lvdslocmask0);
}
void nx_lvds_set_lvdslocmask1(u32 module_index, u32 regvalue)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
writel(regvalue, &pregister->lvdslocmask1);
}
void nx_lvds_set_lvdslocpol0(u32 module_index, u32 regvalue)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
writel(regvalue, &pregister->lvdslocpol0);
}
void nx_lvds_set_lvdslocpol1(u32 module_index, u32 regvalue)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
writel(regvalue, &pregister->lvdslocpol1);
}
void nx_lvds_set_lvdsdummy(u32 module_index, u32 regvalue)
{
register struct nx_lvds_register_set *pregister;
u32 oldvalue;
pregister = __g_pregister[module_index];
oldvalue = readl(&pregister->lvdsctrl1) & 0x00ffffff;
writel(oldvalue | ((regvalue & 0xff) << 24), &pregister->lvdsctrl1);
}
u32 nx_lvds_get_lvdsdummy(u32 module_index)
{
register struct nx_lvds_register_set *pregister;
u32 oldvalue;
pregister = __g_pregister[module_index];
oldvalue = readl(&pregister->lvdsctrl1);
oldvalue = oldvalue >> 24;
return oldvalue;
}
u32 nx_lvds_get_lvdsctrl0(u32 module_index)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
return (u32)readl(&pregister->lvdsctrl0);
}
u32 nx_lvds_get_lvdsctrl1(u32 module_index)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
return (u32)readl(&pregister->lvdsctrl1);
}
u32 nx_lvds_get_lvdsctrl2(u32 module_index)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
return (u32)readl(&pregister->lvdsctrl2);
}
u32 nx_lvds_get_lvdsctrl3(u32 module_index)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
return (u32)readl(&pregister->lvdsctrl3);
}
u32 nx_lvds_get_lvdsctrl4(u32 module_index)
{
register struct nx_lvds_register_set *pregister;
pregister = __g_pregister[module_index];
return (u32)readl(&pregister->lvdsctrl4);
}