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 #include <asm/hardware/pl330.h>
  17
  18 struct dma_pl330_platdata {
  19         /*
  20          * Number of valid peripherals connected to DMAC.
  21          * This may be different from the value read from
  22          * CR0, as the PL330 implementation might have 'holes'
  23          * in the peri list or the peri could also be reached
  24          * from another DMAC which the platform prefers.
  25          */
  26         u8 nr_valid_peri;
  27         /* Array of valid peripherals */
  28         u8 *peri_id;
  29         /* Operational capabilities */
  30         dma_cap_mask_t cap_mask;
  31         /* Bytes to allocate for MC buffer */
  32         unsigned mcbuf_sz;
  33 };
  34
  35 extern bool pl330_filter(struct dma_chan *chan, void *param);
  36 #endif  /* __AMBA_PL330_H_ */