1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Support for Intel Camera Imaging ISP subsystem. 4 * Copyright (c) 2015, Intel Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 */ 15 16 #ifndef __ISYS_DMA_GLOBAL_H_INCLUDED__ 17 #define __ISYS_DMA_GLOBAL_H_INCLUDED__ 18 19 #include <type_support.h> 20 21 #define HIVE_ISYS2401_DMA_IBUF_DDR_CONN 0 22 #define HIVE_ISYS2401_DMA_IBUF_VMEM_CONN 1 23 #define _DMA_V2_ZERO_EXTEND 0 24 #define _DMA_V2_SIGN_EXTEND 1 25 26 #define _DMA_ZERO_EXTEND _DMA_V2_ZERO_EXTEND 27 #define _DMA_SIGN_EXTEND _DMA_V2_SIGN_EXTEND 28 29 /******************************************************** 30 * 31 * DMA Port. 32 * 33 * The DMA port definition for the input system 34 * 2401 DMA is the duplication of the DMA port 35 * definition for the CSS system DMA. It is duplicated 36 * here just as the temporal step before the device library 37 * is available. The device library is suppose to provide 38 * the capability of reusing the control interface of the 39 * same device prototypes. The refactor team will work on 40 * this, right? 41 * 42 ********************************************************/ 43 typedef struct isys2401_dma_port_cfg_s isys2401_dma_port_cfg_t; 44 struct isys2401_dma_port_cfg_s { 45 u32 stride; 46 u32 elements; 47 u32 cropping; 48 u32 width; 49 }; 50 51 /* end of DMA Port */ 52 53 /************************************************ 54 * 55 * DMA Device. 56 * 57 * The DMA device definition for the input system 58 * 2401 DMA is the duplicattion of the DMA device 59 * definition for the CSS system DMA. It is duplicated 60 * here just as the temporal step before the device library 61 * is available. The device library is suppose to provide 62 * the capability of reusing the control interface of the 63 * same device prototypes. The refactor team will work on 64 * this, right? 65 * 66 ************************************************/ 67 typedef enum { 68 isys2401_dma_ibuf_to_ddr_connection = HIVE_ISYS2401_DMA_IBUF_DDR_CONN, 69 isys2401_dma_ibuf_to_vmem_connection = HIVE_ISYS2401_DMA_IBUF_VMEM_CONN 70 } isys2401_dma_connection; 71 72 typedef enum { 73 isys2401_dma_zero_extension = _DMA_ZERO_EXTEND, 74 isys2401_dma_sign_extension = _DMA_SIGN_EXTEND 75 } isys2401_dma_extension; 76 77 typedef struct isys2401_dma_cfg_s isys2401_dma_cfg_t; 78 struct isys2401_dma_cfg_s { 79 isys2401_dma_channel channel; 80 isys2401_dma_connection connection; 81 isys2401_dma_extension extension; 82 u32 height; 83 }; 84 85 /* end of DMA Device */ 86 87 /* isys2401_dma_channel limits per DMA ID */ 88 extern const isys2401_dma_channel 89 N_ISYS2401_DMA_CHANNEL_PROCS[N_ISYS2401_DMA_ID]; 90 91 #endif /* __ISYS_DMA_GLOBAL_H_INCLUDED__ */ 92