drivers/vpp/aml_vpp_reg.h

/*
 * drivers/vpp/aml_vpu_reg.h
 *
 * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

#ifndef __VPP_REG_H__
#define __VPP_REG_H__
#include <asm/arch/io.h>
#include <asm/arch/secure_apb.h>

/* ********************************
 * register define
 * ********************************* */
/* base & offset */
//#define REG_BASE_VCBUS                  (0xd0100000L)
#define REG_OFFSET_VCBUS(reg)           ((reg) << 2)
/* memory mapping */
#define REG_ADDR_VCBUS(reg)             (REG_BASE_VCBUS + REG_OFFSET_VCBUS(reg))

#ifdef VPP_EOTF_CTL
#define VIU_EOTF_CTL VPP_EOTF_CTL
#endif

#ifdef VPP_EOTF_LUT_ADDR_PORT
#define VIU_EOTF_LUT_ADDR_PORT VPP_EOTF_LUT_ADDR_PORT
#endif

#ifdef VPP_EOTF_LUT_DATA_PORT
#define VIU_EOTF_LUT_DATA_PORT VPP_EOTF_LUT_DATA_PORT
#endif

/* ********************************
 * register access api
 * ********************************* */

static inline unsigned int vpp_reg_read(unsigned int _reg)
{
	return (*(volatile unsigned int *)REG_ADDR_VCBUS(_reg));
};

static inline void vpp_reg_write(unsigned int _reg, unsigned int _value)
{
	*(volatile unsigned int *)REG_ADDR_VCBUS(_reg) = (_value);
};

static inline void vpp_reg_setb(unsigned int _reg, unsigned int _value,
		unsigned int _start, unsigned int _len)
{
	vpp_reg_write(_reg, ((vpp_reg_read(_reg) &
			~(((1L << (_len))-1) << (_start))) |
			(((_value)&((1L<<(_len))-1)) << (_start))));
}

static inline unsigned int vpp_reg_getb(unsigned int _reg,
		unsigned int _start, unsigned int _len)
{
	return (vpp_reg_read(_reg) >> (_start)) & ((1L << (_len)) - 1);
}

#endif