arch/blackfin/include/asm/bfin_ppi.h

   1 /*
   2  * bfin_ppi.h - interface to Blackfin PPIs
   3  *
   4  * Copyright 2005-2010 Analog Devices Inc.
   5  *
   6  * Licensed under the GPL-2 or later.
   7  */
   8
   9 #ifndef __ASM_BFIN_PPI_H__
  10 #define __ASM_BFIN_PPI_H__
  11
  12 #include <linux/types.h>
  13
  14 /*
  15  * All Blackfin system MMRs are padded to 32bits even if the register
  16  * itself is only 16bits.  So use a helper macro to streamline this.
  17  */
  18 #define __BFP(m) u16 m; u16 __pad_##m
  19
  20 /*
  21  * bfin ppi registers layout
  22  */
  23 struct bfin_ppi_regs {
  24         __BFP(control);
  25         __BFP(status);
  26         __BFP(count);
  27         __BFP(delay);
  28         __BFP(frame);
  29 };
  30
  31 /*
  32  * bfin eppi registers layout
  33  */
  34 struct bfin_eppi_regs {
  35         __BFP(status);
  36         __BFP(hcount);
  37         __BFP(hdelay);
  38         __BFP(vcount);
  39         __BFP(vdelay);
  40         __BFP(frame);
  41         __BFP(line);
  42         __BFP(clkdiv);
  43         u32 control;
  44         u32 fs1w_hbl;
  45         u32 fs1p_avpl;
  46         u32 fs2w_lvb;
  47         u32 fs2p_lavf;
  48         u32 clip;
  49 };
  50
  51 #undef __BFP
  52
  53 #endif