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_PRIVATE_H_INCLUDED__ 17 #define __ISYS_DMA_PRIVATE_H_INCLUDED__ 18 19 #include "isys_dma_public.h" 20 #include "device_access.h" 21 #include "assert_support.h" 22 #include "dma.h" 23 #include "dma_v2_defs.h" 24 #include "print_support.h" 25 26 void isys2401_dma_reg_store(const isys2401_dma_ID_t dma_id, 27 const unsigned int reg, 28 const hrt_data value) 29 { 30 unsigned int reg_loc; 31 32 assert(dma_id < N_ISYS2401_DMA_ID); 33 assert(ISYS2401_DMA_BASE[dma_id] != (hrt_address) - 1); 34 35 reg_loc = ISYS2401_DMA_BASE[dma_id] + (reg * sizeof(hrt_data)); 36 37 ia_css_device_store_uint32(reg_loc, value); 38 } 39 40 hrt_data isys2401_dma_reg_load(const isys2401_dma_ID_t dma_id, 41 const unsigned int reg) 42 { 43 unsigned int reg_loc; 44 hrt_data value; 45 46 assert(dma_id < N_ISYS2401_DMA_ID); 47 assert(ISYS2401_DMA_BASE[dma_id] != (hrt_address) - 1); 48 49 reg_loc = ISYS2401_DMA_BASE[dma_id] + (reg * sizeof(hrt_data)); 50 51 value = ia_css_device_load_uint32(reg_loc); 52 ia_css_print("isys dma load from addr(0x%x) val(%u)\n", reg_loc, 53 (unsigned int)value); 54 55 return value; 56 } 57 58 #endif /* __ISYS_DMA_PRIVATE_H_INCLUDED__ */ 59