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Blackfin: bfin_ppi.h: start a common PPI/EPPI header 

Start unifying the PPI/EPPI peripheral structures in one place.  This
may be used by camera/video/fpga/high speed devices.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2010-10-22 04:41:13 +00:00
parent faf3d9ed2b
commit fec84d21c5
1 changed files with 51 additions and 0 deletions
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51
arch/blackfin/include/asm/bfin_ppi.h Normal file
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/*
* bfin_ppi.h - interface to Blackfin PPIs
*
* Copyright 2005-2010 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __ASM_BFIN_PPI_H__
#define __ASM_BFIN_PPI_H__
#include <linux/types.h>
/*
* All Blackfin system MMRs are padded to 32bits even if the register
* itself is only 16bits. So use a helper macro to streamline this.
*/
#define __BFP(m) u16 m; u16 __pad_##m
/*
* bfin ppi registers layout
*/
struct bfin_ppi_regs {
__BFP(control);
__BFP(status);
__BFP(count);
__BFP(delay);
__BFP(frame);
};
/*
* bfin eppi registers layout
*/
struct bfin_eppi_regs {
__BFP(status);
__BFP(hcount);
__BFP(hdelay);
__BFP(vcount);
__BFP(vdelay);
__BFP(frame);
__BFP(line);
__BFP(clkdiv);
u32 control;
u32 fs1w_hbl;
u32 fs1p_avpl;
u32 fs2w_lvb;
u32 fs2p_lavf;
u32 clip;
};
#endif