kernel/drivers/staging/imgtec/tc/pdp_common.h

/* -*- mode: c; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* vi: set ts=8 sw=8 sts=8: */
/*************************************************************************/ /*!
@Codingstyle    LinuxKernel
@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
@License        MIT

The contents of this file are subject to the MIT license as set out below.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

This License is also included in this distribution in the file called
"MIT-COPYING".

EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/ /**************************************************************************/

#if !defined(__PDP_COMMON_H__)
#define __PDP_COMMON_H__

#include <asm/io.h>

/*#define PDP_VERBOSE*/

#define REG_VALUE_GET(v, s, m) \
	(u32)(((v) & (m)) >> (s))
#define REG_VALUE_SET(v, b, s, m) \
	(u32)(((v) & (u32)~(m)) | (u32)(((b) << (s)) & (m)))
/* Active low */
#define REG_VALUE_LO(v, b, s, m) \
	(u32)((v) & ~(u32)(((b) << (s)) & (m)))

enum pdp_version {
	PDP_VERSION_APOLLO,
	PDP_VERSION_ODIN,
	PDP_VERSION_PLATO,
};

/* Register R-W */
static inline u32 core_rreg32(void __iomem *base, resource_size_t reg)
{
	return ioread32(base + reg);
}

static inline void core_wreg32(void __iomem *base, resource_size_t reg,
			       u32 value)
{
	iowrite32(value, base + reg);
}

static inline u32 pdp_rreg32(void __iomem *base, resource_size_t reg)
{
	return ioread32(base + reg);
}

static inline void pdp_wreg32(void __iomem *base, resource_size_t reg,
			      u32 value)
{
	iowrite32(value, base + reg);
}

static inline u32 pll_rreg32(void __iomem *base, resource_size_t reg)
{
	return ioread32(base + reg);
}

static inline void pll_wreg32(void __iomem *base, resource_size_t reg,
			      u32 value)
{
	iowrite32(value, base + reg);
}

#endif /* __PDP_COMMON_H__ */