1 /*
2  * Support for Intel Camera Imaging ISP subsystem.
3  * Copyright (c) 2015, Intel Corporation.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms and conditions of the GNU General Public License,
7  * version 2, as published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12  * more details.
13  */
14 
15 #ifndef __ISYS_DMA_PRIVATE_H_INCLUDED__
16 #define __ISYS_DMA_PRIVATE_H_INCLUDED__
17 
18 #include "isys_dma_public.h"
19 #include "device_access.h"
20 #include "assert_support.h"
21 #include "dma.h"
22 #include "dma_v2_defs.h"
23 #include "print_support.h"
24 
25 STORAGE_CLASS_ISYS2401_DMA_C void isys2401_dma_reg_store(
26     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_print("isys dma store at addr(0x%x) val(%u)\n", reg_loc,
38 		     (unsigned int)value);
39 	ia_css_device_store_uint32(reg_loc, value);
40 }
41 
42 STORAGE_CLASS_ISYS2401_DMA_C hrt_data isys2401_dma_reg_load(
43     const isys2401_dma_ID_t	dma_id,
44     const unsigned int	reg)
45 {
46 	unsigned int reg_loc;
47 	hrt_data value;
48 
49 	assert(dma_id < N_ISYS2401_DMA_ID);
50 	assert(ISYS2401_DMA_BASE[dma_id] != (hrt_address) - 1);
51 
52 	reg_loc = ISYS2401_DMA_BASE[dma_id] + (reg * sizeof(hrt_data));
53 
54 	value = ia_css_device_load_uint32(reg_loc);
55 	ia_css_print("isys dma load from addr(0x%x) val(%u)\n", reg_loc,
56 		     (unsigned int)value);
57 
58 	return value;
59 }
60 
61 #endif /* __ISYS_DMA_PRIVATE_H_INCLUDED__ */
62