diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/css_2401_csi2p_system/isys_dma_global.h')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/css2400/css_2401_csi2p_system/isys_dma_global.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/css_2401_csi2p_system/isys_dma_global.h b/drivers/staging/media/atomisp/pci/atomisp2/css2400/css_2401_csi2p_system/isys_dma_global.h new file mode 100644 index 0000000..e7a734a --- /dev/null +++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/css_2401_csi2p_system/isys_dma_global.h @@ -0,0 +1,87 @@ +/* + * 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__ */ |
