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

27 lines
637 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _PXA_DMA_H_
#define _PXA_DMA_H_
enum pxad_chan_prio {
PXAD_PRIO_HIGHEST = 0,
PXAD_PRIO_NORMAL,
PXAD_PRIO_LOW,
PXAD_PRIO_LOWEST,
};
/**
* struct pxad_param - dma channel request parameters
* @drcmr: requestor line number
* @prio: minimal mandatory priority of the channel
*
* If a requested channel is granted, its priority will be at least @prio,
* ie. if PXAD_PRIO_LOW is required, the requested channel will be either
* PXAD_PRIO_LOW, PXAD_PRIO_NORMAL or PXAD_PRIO_HIGHEST.
*/
struct pxad_param {
unsigned int drcmr;
enum pxad_chan_prio prio;
};
#endif /* _PXA_DMA_H_ */