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https://github.com/AsahiLinux/u-boot
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ee647449c0
Low level functions for LVDS and HDMI display interfaces. Signed-off-by: Stefan Bosch <stefan_b@posteo.net>
50 lines
1,002 B
C
50 lines
1,002 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2016 Nexell Co., Ltd.
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*
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* Author: junghyun, kim <jhkim@nexell.co.kr>
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*/
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#include <linux/types.h>
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#include <linux/io.h>
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#include "s5pxx18_soc_hdmi.h"
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static u32 *hdmi_base_addr;
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u32 nx_hdmi_get_reg(u32 module_index, u32 offset)
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{
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u32 *reg_addr;
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u32 regvalue;
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reg_addr = hdmi_base_addr + (offset / sizeof(u32));
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regvalue = readl((u32 *)reg_addr);
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return regvalue;
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}
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void nx_hdmi_set_reg(u32 module_index, u32 offset, u32 regvalue)
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{
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s64 offset_new = (s64)((int32_t)offset);
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u32 *reg_addr;
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reg_addr = hdmi_base_addr + (offset_new / sizeof(u32));
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writel(regvalue, (u32 *)reg_addr);
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}
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void nx_hdmi_set_base_address(u32 module_index, void *base_address)
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{
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hdmi_base_addr = (u32 *)base_address;
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}
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void *nx_hdmi_get_base_address(u32 module_index)
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{
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return (u32 *)hdmi_base_addr;
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}
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u32 nx_hdmi_get_physical_address(u32 module_index)
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{
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const u32 physical_addr[] = PHY_BASEADDR_HDMI_LIST;
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return physical_addr[module_index];
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}
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