[mirror_ubuntu-artful-kernel.git] / include / linux / dma / xilinx_dma.h

/*
 * Xilinx DMA Engine drivers support header file
 *
 * Copyright (C) 2010-2014 Xilinx, Inc. All rights reserved.
 *
 * This is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#ifndef __DMA_XILINX_DMA_H
#define __DMA_XILINX_DMA_H

#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>

/**
 * struct xilinx_vdma_config - VDMA Configuration structure
 * @frm_dly: Frame delay
 * @gen_lock: Whether in gen-lock mode
 * @master: Master that it syncs to
 * @frm_cnt_en: Enable frame count enable
 * @park: Whether wants to park
 * @park_frm: Frame to park on
 * @coalesc: Interrupt coalescing threshold
 * @delay: Delay counter
 * @reset: Reset Channel
 * @ext_fsync: External Frame Sync source
 */
struct xilinx_vdma_config {
	int frm_dly;
	int gen_lock;
	int master;
	int frm_cnt_en;
	int park;
	int park_frm;
	int coalesc;
	int delay;
	int reset;
	int ext_fsync;
};

/**
 * enum xdma_ip_type: DMA IP type.
 *
 * XDMA_TYPE_AXIDMA: Axi dma ip.
 * XDMA_TYPE_CDMA: Axi cdma ip.
 * XDMA_TYPE_VDMA: Axi vdma ip.
 *
 */
enum xdma_ip_type {
	XDMA_TYPE_AXIDMA = 0,
	XDMA_TYPE_CDMA,
	XDMA_TYPE_VDMA,
};

int xilinx_vdma_channel_set_config(struct dma_chan *dchan,
					struct xilinx_vdma_config *cfg);

#endif
Commit	Line	Data
9cd4360d ST	1	/*
	2	* Xilinx DMA Engine drivers support header file
	3	*
	4	* Copyright (C) 2010-2014 Xilinx, Inc. All rights reserved.
	5	*
	6	* This 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 __DMA_XILINX_DMA_H
	13	#define __DMA_XILINX_DMA_H
	14
	15	#include <linux/dma-mapping.h>
	16	#include <linux/dmaengine.h>
	17
	18	/**
	19	* struct xilinx_vdma_config - VDMA Configuration structure
	20	* @frm_dly: Frame delay
	21	* @gen_lock: Whether in gen-lock mode
	22	* @master: Master that it syncs to
	23	* @frm_cnt_en: Enable frame count enable
	24	* @park: Whether wants to park
	25	* @park_frm: Frame to park on
	26	* @coalesc: Interrupt coalescing threshold
	27	* @delay: Delay counter
	28	* @reset: Reset Channel
	29	* @ext_fsync: External Frame Sync source
	30	*/
	31	struct xilinx_vdma_config {
	32	int frm_dly;
	33	int gen_lock;
	34	int master;
	35	int frm_cnt_en;
	36	int park;
	37	int park_frm;
	38	int coalesc;
	39	int delay;
	40	int reset;
	41	int ext_fsync;
	42	};
	43
c0bba3a9 KA	44	/**
	45	* enum xdma_ip_type: DMA IP type.
	46	*
	47	* XDMA_TYPE_AXIDMA: Axi dma ip.
07b0e7d4	48	* XDMA_TYPE_CDMA: Axi cdma ip.
c0bba3a9 KA	49	* XDMA_TYPE_VDMA: Axi vdma ip.
	50	*
	51	*/
	52	enum xdma_ip_type {
	53	XDMA_TYPE_AXIDMA = 0,
07b0e7d4	54	XDMA_TYPE_CDMA,
c0bba3a9 KA	55	XDMA_TYPE_VDMA,
	56	};
	57
9cd4360d ST	58	int xilinx_vdma_channel_set_config(struct dma_chan *dchan,
	59	struct xilinx_vdma_config *cfg);
	60
	61	#endif