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/*
* Support for Intel Camera Imaging ISP subsystem.
* Copyright (c) 2015, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#ifndef __ISYS_DMA_GLOBAL_H_INCLUDED__
#define __ISYS_DMA_GLOBAL_H_INCLUDED__
#include <type_support.h>
#define HIVE_ISYS2401_DMA_IBUF_DDR_CONN 0
#define HIVE_ISYS2401_DMA_IBUF_VMEM_CONN 1
#define _DMA_V2_ZERO_EXTEND 0
#define _DMA_V2_SIGN_EXTEND 1
#define _DMA_ZERO_EXTEND _DMA_V2_ZERO_EXTEND
#define _DMA_SIGN_EXTEND _DMA_V2_SIGN_EXTEND
/********************************************************
*
* DMA Port.
*
* The DMA port definition for the input system
* 2401 DMA is the duplication of the DMA port
* definition for the CSS system DMA. It is duplicated
* here just as the temporal step before the device libary
* is available. The device libary is suppose to provide
* the capability of reusing the control interface of the
* same device prototypes. The refactor team will work on
* this, right?
*
********************************************************/
typedef struct isys2401_dma_port_cfg_s isys2401_dma_port_cfg_t;
struct isys2401_dma_port_cfg_s {
uint32_t stride;
uint32_t elements;
uint32_t cropping;
uint32_t width;
};
/** end of DMA Port */
/************************************************
*
* DMA Device.
*
* The DMA device definition for the input system
* 2401 DMA is the duplicattion of the DMA device
* definition for the CSS system DMA. It is duplicated
* here just as the temporal step before the device libary
* is available. The device libary is suppose to provide
* the capability of reusing the control interface of the
* same device prototypes. The refactor team will work on
* this, right?
*
************************************************/
typedef enum {
isys2401_dma_ibuf_to_ddr_connection = HIVE_ISYS2401_DMA_IBUF_DDR_CONN,
isys2401_dma_ibuf_to_vmem_connection = HIVE_ISYS2401_DMA_IBUF_VMEM_CONN
} isys2401_dma_connection;
typedef enum {
isys2401_dma_zero_extension = _DMA_ZERO_EXTEND,
isys2401_dma_sign_extension = _DMA_SIGN_EXTEND
} isys2401_dma_extension;
typedef struct isys2401_dma_cfg_s isys2401_dma_cfg_t;
struct isys2401_dma_cfg_s {
isys2401_dma_channel channel;
isys2401_dma_connection connection;
isys2401_dma_extension extension;
uint32_t height;
};
/** end of DMA Device */
/* isys2401_dma_channel limits per DMA ID */
extern const isys2401_dma_channel N_ISYS2401_DMA_CHANNEL_PROCS[N_ISYS2401_DMA_ID];
#endif /* __ISYS_DMA_GLOBAL_H_INCLUDED__ */