1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Support for Intel Camera Imaging ISP subsystem.
4 * Copyright (c) 2015, Intel Corporation.
5 */
6
7 #include "ia_css_device_access.h"
8 #include <type_support.h> /* for uint*, size_t */
9 #include <system_local.h> /* for hrt_address */
10 #include <ia_css_env.h> /* for ia_css_hw_access_env */
11 #include <assert_support.h> /* for assert */
12
13 static struct ia_css_hw_access_env my_env;
14
15 void
ia_css_device_access_init(const struct ia_css_hw_access_env * env)16 ia_css_device_access_init(const struct ia_css_hw_access_env *env)
17 {
18 assert(env);
19
20 my_env = *env;
21 }
22
23 uint8_t
ia_css_device_load_uint8(const hrt_address addr)24 ia_css_device_load_uint8(const hrt_address addr)
25 {
26 return my_env.load_8(addr);
27 }
28
29 uint16_t
ia_css_device_load_uint16(const hrt_address addr)30 ia_css_device_load_uint16(const hrt_address addr)
31 {
32 return my_env.load_16(addr);
33 }
34
35 uint32_t
ia_css_device_load_uint32(const hrt_address addr)36 ia_css_device_load_uint32(const hrt_address addr)
37 {
38 return my_env.load_32(addr);
39 }
40
41 uint64_t
ia_css_device_load_uint64(const hrt_address addr)42 ia_css_device_load_uint64(const hrt_address addr)
43 {
44 assert(0);
45
46 (void)addr;
47 return 0;
48 }
49
50 void
ia_css_device_store_uint8(const hrt_address addr,const uint8_t data)51 ia_css_device_store_uint8(const hrt_address addr, const uint8_t data)
52 {
53 my_env.store_8(addr, data);
54 }
55
56 void
ia_css_device_store_uint16(const hrt_address addr,const uint16_t data)57 ia_css_device_store_uint16(const hrt_address addr, const uint16_t data)
58 {
59 my_env.store_16(addr, data);
60 }
61
62 void
ia_css_device_store_uint32(const hrt_address addr,const uint32_t data)63 ia_css_device_store_uint32(const hrt_address addr, const uint32_t data)
64 {
65 my_env.store_32(addr, data);
66 }
67
68 void
ia_css_device_store_uint64(const hrt_address addr,const uint64_t data)69 ia_css_device_store_uint64(const hrt_address addr, const uint64_t data)
70 {
71 assert(0);
72
73 (void)addr;
74 (void)data;
75 }
76
77 void
ia_css_device_load(const hrt_address addr,void * data,const size_t size)78 ia_css_device_load(const hrt_address addr, void *data, const size_t size)
79 {
80 my_env.load(addr, data, (uint32_t)size);
81 }
82
83 void
ia_css_device_store(const hrt_address addr,const void * data,const size_t size)84 ia_css_device_store(const hrt_address addr, const void *data, const size_t size)
85 {
86 my_env.store(addr, data, (uint32_t)size);
87 }
88