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/*
* Copyright (c) International Business Machines Corp., 2006
*
* 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 IIC_FSI_H
#define IIC_FSI_H
#define IIC_BUS_BITS 6
#define IIC_ENG_BITS 5
#define IIC_CFAM_BITS 2
#define IIC_LINK_BITS 6
#define IIC_PCFAM_BITS 2
#define IIC_PLINK_BITS 6
#define IIC_MAX_BUS (1U << IIC_BUS_BITS)
#define IIC_MAX_ENG (1U << IIC_ENG_BITS)
#define IIC_MAX_CFAM (1U << IIC_CFAM_BITS)
#define IIC_MAX_LINK (1U << IIC_LINK_BITS)
#define IIC_MAX_PCFAM (1U << IIC_PCFAM_BITS)
#define IIC_MAX_PLINK (1U << IIC_PLINK_BITS)
#define IIC_BUS_MASK ((1U << IIC_BUS_BITS) - 1U)
#define IIC_ENG_MASK (((1U << IIC_ENG_BITS) - 1U) << IIC_BUS_BITS)
#define IIC_CFAM_MASK (((1U << IIC_CFAM_BITS) - 1U) << \
(IIC_BUS_BITS + IIC_ENG_BITS))
#define IIC_LINK_MASK (((1U << IIC_LINK_BITS) - 1U) << \
(IIC_BUS_BITS + IIC_ENG_BITS + IIC_CFAM_BITS))
#define IIC_PCFAM_MASK (((1U << IIC_PCFAM_BITS) - 1U) << \
(IIC_BUS_BITS + IIC_ENG_BITS + \
IIC_CFAM_BITS + IIC_LINK_BITS))
#define IIC_PLINK_MASK (((1U << IIC_PLINK_BITS) - 1U) << \
(IIC_BUS_BITS + IIC_ENG_BITS + IIC_CFAM_BITS + \
IIC_LINK_BITS + IIC_PCFAM_BITS))
/*
* we don't know ahead of time how many minors will be needed as this is based
* on platform type and the possibility of sparsely populated FRU's on special
* systems so picking a safely large number
*/
#define IIC_FSI_MAX_DEVS 1024
#define IIC_SET_BUS(id, bus) \
( \
(id & ~IIC_BUS_MASK) | ((unsigned long)bus & IIC_BUS_MASK) \
)
#define IIC_SET_ENG(id, eng) \
( \
(id & ~IIC_ENG_MASK) | \
(((unsigned long)eng << IIC_BUS_BITS) & IIC_ENG_MASK) \
)
#define IIC_SET_CFAM(id, cfam) \
( \
(id & ~IIC_CFAM_MASK) | \
(((unsigned long)cfam << (IIC_BUS_BITS + IIC_ENG_BITS)) & IIC_CFAM_MASK) \
)
#define IIC_SET_LINK(id, link) \
( \
(id & ~IIC_LINK_MASK) | \
(((unsigned long)link << (IIC_BUS_BITS + IIC_ENG_BITS + IIC_CFAM_BITS)) & \
IIC_LINK_MASK) \
)
#define IIC_SET_PCFAM(id, pcfam) \
( \
(id & ~IIC_PCFAM_MASK) | \
(((unsigned long)pcfam << \
(IIC_BUS_BITS + IIC_ENG_BITS + IIC_CFAM_BITS + IIC_LINK_BITS)) & \
IIC_PCFAM_MASK) \
)
#define IIC_SET_PLINK(id, plink) \
( \
(id & ~IIC_PLINK_MASK) | \
(((unsigned long)plink << \
(IIC_BUS_BITS + IIC_ENG_BITS + IIC_CFAM_BITS + IIC_LINK_BITS + IIC_PCFAM_BITS)) & \
IIC_PLINK_MASK) \
)
#define IIC_MK_ENG_ID(plink, pcfam, link, cfam, eng) \
(\
IIC_SET_BUS(IIC_SET_ENG(IIC_SET_CFAM(IIC_SET_LINK( \
IIC_SET_PCFAM(IIC_SET_PLINK(0U, plink), \
pcfam), \
link), \
cfam), \
eng), \
0U) \
)
#define IIC_GET_BUS(id) (id & IIC_BUS_MASK)
#define IIC_GET_ENG(id) ((id & IIC_ENG_MASK) >> IIC_BUS_BITS)
#define IIC_GET_CFAM(id) ((id & IIC_CFAM_MASK) >> (IIC_BUS_BITS + IIC_ENG_BITS))
#define IIC_GET_LINK(id) \
((id & IIC_LINK_MASK) >> (IIC_BUS_BITS + IIC_ENG_BITS + IIC_CFAM_BITS))
#define IIC_GET_PCFAM(id) \
((id & IIC_PCFAM_MASK) >> (IIC_BUS_BITS + IIC_ENG_BITS + \
IIC_CFAM_BITS + IIC_LINK_BITS))
#define IIC_GET_PLINK(id) \
((id & IIC_PLINK_MASK) >> (IIC_BUS_BITS + IIC_ENG_BITS + \
IIC_CFAM_BITS + IIC_LINK_BITS + IIC_PCFAM_BITS))
#endif
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