diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/hive_isp_css_common/host/dma_private.h')
-rw-r--r-- | drivers/staging/media/atomisp/pci/hive_isp_css_common/host/dma_private.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/dma_private.h b/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/dma_private.h new file mode 100644 index 0000000000..1f62bc2f17 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/dma_private.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Support for Intel Camera Imaging ISP subsystem. + * Copyright (c) 2010-2015, 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 __DMA_PRIVATE_H_INCLUDED__ +#define __DMA_PRIVATE_H_INCLUDED__ + +#include "dma_public.h" + +#include "device_access.h" + +#include "assert_support.h" + +STORAGE_CLASS_DMA_C void dma_reg_store(const dma_ID_t ID, + const unsigned int reg, + const hrt_data value) +{ + assert(ID < N_DMA_ID); + assert(DMA_BASE[ID] != (hrt_address) - 1); + ia_css_device_store_uint32(DMA_BASE[ID] + reg * sizeof(hrt_data), value); +} + +STORAGE_CLASS_DMA_C hrt_data dma_reg_load(const dma_ID_t ID, + const unsigned int reg) +{ + assert(ID < N_DMA_ID); + assert(DMA_BASE[ID] != (hrt_address) - 1); + return ia_css_device_load_uint32(DMA_BASE[ID] + reg * sizeof(hrt_data)); +} + +#endif /* __DMA_PRIVATE_H_INCLUDED__ */ |