/*
 * SUNXI MBUS support
 *
 * Copyright (C) 2015 AllWinnertech Ltd.
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef __LINUX_SUNXI_MBUS_H
#define __LINUX_SUNXI_MBUS_H

#include <linux/types.h>

/* Port ids */
typedef enum mbus_port {
#if (defined CONFIG_ARCH_SUN8IW10)
	MBUS_PORT_CPU           = 0,
	MBUS_PORT_MAHB          = 1,
	MBUS_PORT_DMA           = 2,
	MBUS_PORT_CSI           = 3,
	MBUS_PORT_NAND          = 4,
	MBUS_PORT_EINK0         = 5,
	MBUS_PORT_EINK1         = 6,
	MBUS_PORT_SD2           = 7,
	MBUS_PORT_DE            = 8,
	MBUS_PORTS_MAX          = 9,
#elif (defined CONFIG_ARCH_SUN50IW3)
	MBUS_PORT_CPU           = 0,
	MBUS_PORT_GPU           = 1,
	MBUS_PORT_MAHB          = 2,
	MBUS_PORT_DMA           = 3,
	MBUS_PORT_VE            = 4,
	MBUS_PORT_CE            = 5,
	MBUS_PORT_NDFC0         = 8,
	MBUS_PORT_CSI0          = 11,
	MBUS_PORT_DE300         = 16,
	MBUS_PORT_DE300_POT     = 17,
	MBUS_PORT_IOMMU         = 25,
	MBUS_PORT_VP9           = 39,
	MBUS_PORTS_MAX          = 40,
#elif (defined CONFIG_ARCH_SUN50IW6)
	MBUS_PORT_CPU           = 0,
	MBUS_PORT_GPU           = 1,
	MBUS_PORT_MAHB          = 2,
	MBUS_PORT_DMA           = 3,
	MBUS_PORT_VE            = 4,
	MBUS_PORT_CE            = 5,
	MBUS_PORT_TSC0          = 6,
	MBUS_PORT_NDFC0         = 8,
	MBUS_PORT_CSI0          = 11,
	MBUS_PORT_DI0           = 14,
	MBUS_PORT_DI1           = 15,
	MBUS_PORT_DE300         = 16,
	MBUS_PORT_IOMMU         = 25,
	MBUS_PORT_VE2           = 26,
	MBUS_PORT_USB3_0        = 37,
	MBUS_PORT_PCIE          = 38,
	MBUS_PORT_VP9           = 39,
	MBUS_PORT_HDCP2_0       = 40,
	MBUS_PORTS_MAX          = 41,
#elif (defined CONFIG_ARCH_SUN8IW5)
	MBUS_PORT_CPU           = 0,
	MBUS_PORT_GPU           = 1,
	MBUS_PORT_DMA           = 2,
	MBUS_PORT_VE            = 3,
	MBUS_PORT_BE            = 4,
	MBUS_PORT_FE            = 5,
	MBUS_PORT_CSI           = 6,
	MBUS_PORT_IEP           = 7,
	MBUS_PORT_CPUS          = 8,
	MBUS_PORT_USB0          = 9,
	MBUS_PORT_MSTG0         = 10,
	MBUS_PORT_USB1          = 11,
	MBUS_PORTS_MSTG2        = 12,
	MBUS_PORTS_NAND         = 13,
	MBUS_PORTS_TESTAH       = 14,
	MBUS_PORTS_MSTG1        = 15,
	MBUS_PORTS_MAX          = 16,
#else
	MBUS_PORT_CPU           = 0,
	MBUS_PORT_GPU           = 1,
	/* reversed bit2           */
	MBUS_PORT_DMA           = 3,
	MBUS_PORT_VE            = 4,
	MBUS_PORT_CSI           = 5,
	MBUS_PORT_NAND          = 6,
	MBUS_PORT_SS            = 7,
	MBUS_PORT_TS            = 8,
	MBUS_PORT_DI            = 9,
	MBUS_PORT_DE            = 10,
	MBUS_PORT_DE_CFD        = 11,
	MBUS_PORTS_MAX          = 13,
	/* reversed bit12/15       */
	MBUS_PORT_CPUS          = 16,
	MBUS_PORT_ATH           = 17,
	MBUS_PORT_USB0          = 18,
	MBUS_PORT_SD0           = 19,
	MBUS_PORT_SD1           = 20,
	MBUS_PORT_SD2           = 21,
	MBUS_PORT_USB1          = 22,
	MBUS_PORT_USB2          = 23,
	MBUS_PORT_GMAC          = 24,
	MBUS_PORTSAE_MAX        = 25,
#endif
} mbus_port_e;

struct device_node;

#ifdef CONFIG_SUNXI_MBUS
extern int mbus_port_setbwlen(mbus_port_e port, bool en);
extern int mbus_port_setpri(mbus_port_e port, bool pri);
extern int mbus_port_setqos(mbus_port_e port, unsigned int qos);
extern int mbus_port_setwt(mbus_port_e port, unsigned int wt);
extern int mbus_port_setacs(mbus_port_e port, unsigned int acs);
extern int mbus_port_setbwl0(mbus_port_e port, unsigned int bwl0);
extern int mbus_port_setbwl1(mbus_port_e port, unsigned int bwl1);
extern int mbus_port_setbwl2(mbus_port_e port, unsigned int bwl2);
extern int mbus_port_setbwl(mbus_port_e port, unsigned int bwl0, \
                             unsigned int bwl1, unsigned int bwl2);
extern int mbus_set_bwlwen(bool enable);
extern int mbus_set_bwlwsiz(unsigned int size);
extern int mbus_port_control_by_index(mbus_port_e port, bool enable);
extern bool mbus_probed(void);
extern int mbus_port_setbwcu(unsigned int unit);
#else
static inline int mbus_port_setbwlen(mbus_port_e port, bool en)
{
	return -ENODEV;
}
static inline int mbus_port_setpri(mbus_port_e port, bool pri)
{
	return -ENODEV;
}
static inline int mbus_port_setqos(mbus_port_e port, unsigned int qos)
{
	return -ENODEV;
}
static inline int mbus_port_setwt(mbus_port_e port, unsigned int wt)
{
	return -ENODEV;
}
static inline int mbus_port_setacs(mbus_port_e port, unsigned int acs)
{
	return -ENODEV;
}
static inline int mbus_port_setbwl0(mbus_port_e port, unsigned int bwl0)
{
	return -ENODEV;
}
static inline int mbus_port_setbwl1(mbus_port_e port, unsigned int bwl1)
{
	return -ENODEV;
}
static inline int mbus_port_setbwl2(mbus_port_e port, unsigned int bwl2)
{
	return -ENODEV;
}
static inline int mbus_port_setbwl(mbus_port_e port, unsigned int bwl0, \
                                   unsigned int bwl1, unsigned int bwl2)
{
	return -ENODEV;
}
static inline int mbus_set_bwlwen(bool enable)
{
	return -ENODEV;
}
static inline int mbus_set_bwlwsiz(unsigned int size)
{
	return -ENODEV;
}
static inline int mbus_port_control_by_index(mbus_port_e port, bool enable)
{
	return -ENODEV;
}
static inline bool mbus_probed(void)
{
	return false;
}
static inline int mbus_port_setbwcu(unsigned int unit)
{
	return -ENODEV;
}
#endif

#define mbus_disable_port_by_index(dev) \
	mbus_port_control_by_index(dev, false)
#define mbus_enable_port_by_index(dev) \
	mbus_port_control_by_index(dev, true)

#endif