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 <linux/dmaengine.h>
  16
  17 struct dma_pl330_platdata {
  18         /*
  19          * Number of valid peripherals connected to DMAC.
  20          * This may be different from the value read from
  21          * CR0, as the PL330 implementation might have 'holes'
  22          * in the peri list or the peri could also be reached
  23          * from another DMAC which the platform prefers.
  24          */
  25         u8 nr_valid_peri;
  26         /* Array of valid peripherals */
  27         u8 *peri_id;
  28         /* Operational capabilities */
  29         dma_cap_mask_t cap_mask;
  30         /* Bytes to allocate for MC buffer */
  31         unsigned mcbuf_sz;
  32 };
  33
  34 extern bool pl330_filter(struct dma_chan *chan, void *param);
  35 #endif  /* __AMBA_PL330_H_ */