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author | Mike Frysinger <vapier@gentoo.org> | 2010-10-22 04:41:13 (GMT) |
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committer | Mike Frysinger <vapier@gentoo.org> | 2010-10-22 20:30:03 (GMT) |
commit | fec84d21c52bca67949a17aaf7d410b497f8e1b0 (patch) | |
tree | c274bc2d05c489fef3a62403f853d9f4b860edbc /arch/blackfin | |
parent | faf3d9ed2b9b402aa2c3d11688c6a1ff80ea6ea4 (diff) | |
download | linux-fec84d21c52bca67949a17aaf7d410b497f8e1b0.tar.xz |
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>
Diffstat (limited to 'arch/blackfin')
-rw-r--r-- | arch/blackfin/include/asm/bfin_ppi.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/bfin_ppi.h b/arch/blackfin/include/asm/bfin_ppi.h new file mode 100644 index 0000000..0039008 --- /dev/null +++ b/arch/blackfin/include/asm/bfin_ppi.h @@ -0,0 +1,51 @@ +/* + * 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 |