diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/css_2401_system/host/isys_dma_private.h')
-rw-r--r-- | drivers/staging/media/atomisp/pci/css_2401_system/host/isys_dma_private.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/css_2401_system/host/isys_dma_private.h b/drivers/staging/media/atomisp/pci/css_2401_system/host/isys_dma_private.h new file mode 100644 index 000000000000..eb35b7bcead4 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/css_2401_system/host/isys_dma_private.h @@ -0,0 +1,62 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * 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_PRIVATE_H_INCLUDED__ +#define __ISYS_DMA_PRIVATE_H_INCLUDED__ + +#include "isys_dma_public.h" +#include "device_access.h" +#include "assert_support.h" +#include "dma.h" +#include "dma_v2_defs.h" +#include "print_support.h" + +STORAGE_CLASS_ISYS2401_DMA_C void isys2401_dma_reg_store( + const isys2401_dma_ID_t dma_id, + const unsigned int reg, + const hrt_data value) +{ + unsigned int reg_loc; + + assert(dma_id < N_ISYS2401_DMA_ID); + assert(ISYS2401_DMA_BASE[dma_id] != (hrt_address) - 1); + + reg_loc = ISYS2401_DMA_BASE[dma_id] + (reg * sizeof(hrt_data)); + + ia_css_print("isys dma store at addr(0x%x) val(%u)\n", reg_loc, + (unsigned int)value); + ia_css_device_store_uint32(reg_loc, value); +} + +STORAGE_CLASS_ISYS2401_DMA_C hrt_data isys2401_dma_reg_load( + const isys2401_dma_ID_t dma_id, + const unsigned int reg) +{ + unsigned int reg_loc; + hrt_data value; + + assert(dma_id < N_ISYS2401_DMA_ID); + assert(ISYS2401_DMA_BASE[dma_id] != (hrt_address) - 1); + + reg_loc = ISYS2401_DMA_BASE[dma_id] + (reg * sizeof(hrt_data)); + + value = ia_css_device_load_uint32(reg_loc); + ia_css_print("isys dma load from addr(0x%x) val(%u)\n", reg_loc, + (unsigned int)value); + + return value; +} + +#endif /* __ISYS_DMA_PRIVATE_H_INCLUDED__ */ |