include/linux/amba/pl330.h

   1 /* linux/include/linux/amba/pl330.h
   2  *
   3  * Copyright (C) 2010 Samsung Electronics Co. Ltd.
   4  *      Jaswinder Singh <jassi.brar@samsung.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  */
  11
  12 #ifndef __AMBA_PL330_H_
  13 #define __AMBA_PL330_H_
  14
  15 #include <asm/hardware/pl330.h>
  16
  17 struct dma_pl330_peri {
  18         /*
  19          * Peri_Req i/f of the DMAC that is
  20          * peripheral could be reached from.
  21          */
  22         u8 peri_id; /* specific dma id */
  23         enum pl330_reqtype rqtype;
  24 };
  25
  26 struct dma_pl330_platdata {
  27         /*
  28          * Number of valid peripherals connected to DMAC.
  29          * This may be different from the value read from
  30          * CR0, as the PL330 implementation might have 'holes'
  31          * in the peri list or the peri could also be reached
  32          * from another DMAC which the platform prefers.
  33          */
  34         u8 nr_valid_peri;
  35         /* Array of valid peripherals */
  36         struct dma_pl330_peri *peri;
  37         /* Bytes to allocate for MC buffer */
  38         unsigned mcbuf_sz;
  39 };
  40
  41 #endif  /* __AMBA_PL330_H_ */