LXR linux/include/linux/dma/pxa-dma.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _PXA_DMA_H_
   3#define _PXA_DMA_H_
   4
   5enum pxad_chan_prio {
   6        PXAD_PRIO_HIGHEST = 0,
   7        PXAD_PRIO_NORMAL,
   8        PXAD_PRIO_LOW,
   9        PXAD_PRIO_LOWEST,
  10};
  11
  12/**
  13 * struct pxad_param - dma channel request parameters
  14 * @drcmr: requestor line number
  15 * @prio: minimal mandatory priority of the channel
  16 *
  17 * If a requested channel is granted, its priority will be at least @prio,
  18 * ie. if PXAD_PRIO_LOW is required, the requested channel will be either
  19 * PXAD_PRIO_LOW, PXAD_PRIO_NORMAL or PXAD_PRIO_HIGHEST.
  20 */
  21struct pxad_param {
  22        unsigned int drcmr;
  23        enum pxad_chan_prio prio;
  24};
  25
  26#endif /* _PXA_DMA_H_ */
  27