xref: /linux/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/sp_private.h (revision b83deaa741558babf4b8d51d34f6637ccfff1b26)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Support for Intel Camera Imaging ISP subsystem.
4  * Copyright (c) 2010-2015, 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 __SP_PRIVATE_H_INCLUDED__
17 #define __SP_PRIVATE_H_INCLUDED__
18 
19 #include "sp_public.h"
20 
21 #include "device_access.h"
22 
23 #include "assert_support.h"
24 
25 STORAGE_CLASS_SP_C void sp_ctrl_store(
26     const sp_ID_t		ID,
27     const hrt_address	reg,
28     const hrt_data		value)
29 {
30 	assert(ID < N_SP_ID);
31 	assert(SP_CTRL_BASE[ID] != (hrt_address)-1);
32 	ia_css_device_store_uint32(SP_CTRL_BASE[ID] + reg * sizeof(hrt_data), value);
33 	return;
34 }
35 
36 STORAGE_CLASS_SP_C hrt_data sp_ctrl_load(
37     const sp_ID_t		ID,
38     const hrt_address	reg)
39 {
40 	assert(ID < N_SP_ID);
41 	assert(SP_CTRL_BASE[ID] != (hrt_address)-1);
42 	return ia_css_device_load_uint32(SP_CTRL_BASE[ID] + reg * sizeof(hrt_data));
43 }
44 
45 STORAGE_CLASS_SP_C bool sp_ctrl_getbit(
46     const sp_ID_t		ID,
47     const hrt_address	reg,
48     const unsigned int	bit)
49 {
50 	hrt_data val = sp_ctrl_load(ID, reg);
51 
52 	return (val & (1UL << bit)) != 0;
53 }
54 
55 STORAGE_CLASS_SP_C void sp_ctrl_setbit(
56     const sp_ID_t		ID,
57     const hrt_address	reg,
58     const unsigned int	bit)
59 {
60 	hrt_data	data = sp_ctrl_load(ID, reg);
61 
62 	sp_ctrl_store(ID, reg, (data | (1UL << bit)));
63 	return;
64 }
65 
66 STORAGE_CLASS_SP_C void sp_ctrl_clearbit(
67     const sp_ID_t		ID,
68     const hrt_address	reg,
69     const unsigned int	bit)
70 {
71 	hrt_data	data = sp_ctrl_load(ID, reg);
72 
73 	sp_ctrl_store(ID, reg, (data & ~(1UL << bit)));
74 	return;
75 }
76 
77 STORAGE_CLASS_SP_C void sp_dmem_store(
78     const sp_ID_t		ID,
79     hrt_address		addr,
80     const void			*data,
81     const size_t		size)
82 {
83 	assert(ID < N_SP_ID);
84 	assert(SP_DMEM_BASE[ID] != (hrt_address)-1);
85 	ia_css_device_store(SP_DMEM_BASE[ID] + addr, data, size);
86 	return;
87 }
88 
89 STORAGE_CLASS_SP_C void sp_dmem_load(
90     const sp_ID_t		ID,
91     const hrt_address	addr,
92     void				*data,
93     const size_t		size)
94 {
95 	assert(ID < N_SP_ID);
96 	assert(SP_DMEM_BASE[ID] != (hrt_address)-1);
97 	ia_css_device_load(SP_DMEM_BASE[ID] + addr, data, size);
98 	return;
99 }
100 
101 STORAGE_CLASS_SP_C void sp_dmem_store_uint8(
102     const sp_ID_t		ID,
103     hrt_address		addr,
104     const uint8_t		data)
105 {
106 	assert(ID < N_SP_ID);
107 	assert(SP_DMEM_BASE[ID] != (hrt_address)-1);
108 	(void)ID;
109 	ia_css_device_store_uint8(SP_DMEM_BASE[SP0_ID] + addr, data);
110 	return;
111 }
112 
113 STORAGE_CLASS_SP_C void sp_dmem_store_uint16(
114     const sp_ID_t		ID,
115     hrt_address		addr,
116     const uint16_t		data)
117 {
118 	assert(ID < N_SP_ID);
119 	assert(SP_DMEM_BASE[ID] != (hrt_address)-1);
120 	(void)ID;
121 	ia_css_device_store_uint16(SP_DMEM_BASE[SP0_ID] + addr, data);
122 	return;
123 }
124 
125 STORAGE_CLASS_SP_C void sp_dmem_store_uint32(
126     const sp_ID_t		ID,
127     hrt_address		addr,
128     const uint32_t		data)
129 {
130 	assert(ID < N_SP_ID);
131 	assert(SP_DMEM_BASE[ID] != (hrt_address)-1);
132 	(void)ID;
133 	ia_css_device_store_uint32(SP_DMEM_BASE[SP0_ID] + addr, data);
134 	return;
135 }
136 
137 STORAGE_CLASS_SP_C uint8_t sp_dmem_load_uint8(
138     const sp_ID_t		ID,
139     const hrt_address	addr)
140 {
141 	assert(ID < N_SP_ID);
142 	assert(SP_DMEM_BASE[ID] != (hrt_address)-1);
143 	(void)ID;
144 	return ia_css_device_load_uint8(SP_DMEM_BASE[SP0_ID] + addr);
145 }
146 
147 STORAGE_CLASS_SP_C uint16_t sp_dmem_load_uint16(
148     const sp_ID_t		ID,
149     const hrt_address	addr)
150 {
151 	assert(ID < N_SP_ID);
152 	assert(SP_DMEM_BASE[ID] != (hrt_address)-1);
153 	(void)ID;
154 	return ia_css_device_load_uint16(SP_DMEM_BASE[SP0_ID] + addr);
155 }
156 
157 STORAGE_CLASS_SP_C uint32_t sp_dmem_load_uint32(
158     const sp_ID_t		ID,
159     const hrt_address	addr)
160 {
161 	assert(ID < N_SP_ID);
162 	assert(SP_DMEM_BASE[ID] != (hrt_address)-1);
163 	(void)ID;
164 	return ia_css_device_load_uint32(SP_DMEM_BASE[SP0_ID] + addr);
165 }
166 
167 #endif /* __SP_PRIVATE_H_INCLUDED__ */
168