1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
// SPDX-License-Identifier: GPL-2.0
#include <linux/device.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include "bmp280.h"
static bool bmp180_is_writeable_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case BMP280_REG_CTRL_MEAS:
case BMP280_REG_RESET:
return true;
default:
return false;
}
}
static bool bmp180_is_volatile_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case BMP180_REG_OUT_XLSB:
case BMP180_REG_OUT_LSB:
case BMP180_REG_OUT_MSB:
case BMP280_REG_CTRL_MEAS:
return true;
default:
return false;
}
}
const struct regmap_config bmp180_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = BMP180_REG_OUT_XLSB,
.cache_type = REGCACHE_RBTREE,
.writeable_reg = bmp180_is_writeable_reg,
.volatile_reg = bmp180_is_volatile_reg,
};
EXPORT_SYMBOL_NS(bmp180_regmap_config, "IIO_BMP280");
static bool bme280_is_writeable_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case BMP280_REG_CONFIG:
case BME280_REG_CTRL_HUMIDITY:
case BMP280_REG_CTRL_MEAS:
case BMP280_REG_RESET:
return true;
default:
return false;
}
}
static bool bmp280_is_writeable_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case BMP280_REG_CONFIG:
case BMP280_REG_CTRL_MEAS:
case BMP280_REG_RESET:
return true;
default:
return false;
}
}
static bool bmp280_is_volatile_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case BMP280_REG_TEMP_XLSB:
case BMP280_REG_TEMP_LSB:
case BMP280_REG_TEMP_MSB:
case BMP280_REG_PRESS_XLSB:
case BMP280_REG_PRESS_LSB:
case BMP280_REG_PRESS_MSB:
case BMP280_REG_STATUS:
return true;
default:
return false;
}
}
static bool bme280_is_volatile_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case BME280_REG_HUMIDITY_LSB:
case BME280_REG_HUMIDITY_MSB:
case BMP280_REG_TEMP_XLSB:
case BMP280_REG_TEMP_LSB:
case BMP280_REG_TEMP_MSB:
case BMP280_REG_PRESS_XLSB:
case BMP280_REG_PRESS_LSB:
case BMP280_REG_PRESS_MSB:
case BMP280_REG_STATUS:
return true;
default:
return false;
}
}
static bool bmp380_is_writeable_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case BMP380_REG_CMD:
case BMP380_REG_CONFIG:
case BMP380_REG_FIFO_CONFIG_1:
case BMP380_REG_FIFO_CONFIG_2:
case BMP380_REG_FIFO_WATERMARK_LSB:
case BMP380_REG_FIFO_WATERMARK_MSB:
case BMP380_REG_POWER_CONTROL:
case BMP380_REG_INT_CONTROL:
case BMP380_REG_IF_CONFIG:
case BMP380_REG_ODR:
case BMP380_REG_OSR:
return true;
default:
return false;
}
}
static bool bmp380_is_volatile_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case BMP380_REG_TEMP_XLSB:
case BMP380_REG_TEMP_LSB:
case BMP380_REG_TEMP_MSB:
case BMP380_REG_PRESS_XLSB:
case BMP380_REG_PRESS_LSB:
case BMP380_REG_PRESS_MSB:
case BMP380_REG_SENSOR_TIME_XLSB:
case BMP380_REG_SENSOR_TIME_LSB:
case BMP380_REG_SENSOR_TIME_MSB:
case BMP380_REG_INT_STATUS:
case BMP380_REG_FIFO_DATA:
case BMP380_REG_STATUS:
case BMP380_REG_ERROR:
case BMP380_REG_EVENT:
return true;
default:
return false;
}
}
static bool bmp580_is_writeable_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case BMP580_REG_NVM_DATA_MSB:
case BMP580_REG_NVM_DATA_LSB:
case BMP580_REG_NVM_ADDR:
case BMP580_REG_ODR_CONFIG:
case BMP580_REG_OSR_CONFIG:
case BMP580_REG_INT_SOURCE:
case BMP580_REG_INT_CONFIG:
case BMP580_REG_OOR_THR_MSB:
case BMP580_REG_OOR_THR_LSB:
case BMP580_REG_OOR_CONFIG:
case BMP580_REG_OOR_RANGE:
case BMP580_REG_IF_CONFIG:
case BMP580_REG_FIFO_CONFIG:
case BMP580_REG_FIFO_SEL:
case BMP580_REG_DSP_CONFIG:
case BMP580_REG_DSP_IIR:
case BMP580_REG_CMD:
return true;
default:
return false;
}
}
static bool bmp580_is_volatile_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case BMP580_REG_NVM_DATA_MSB:
case BMP580_REG_NVM_DATA_LSB:
case BMP580_REG_FIFO_COUNT:
case BMP580_REG_INT_STATUS:
case BMP580_REG_PRESS_XLSB:
case BMP580_REG_PRESS_LSB:
case BMP580_REG_PRESS_MSB:
case BMP580_REG_FIFO_DATA:
case BMP580_REG_TEMP_XLSB:
case BMP580_REG_TEMP_LSB:
case BMP580_REG_TEMP_MSB:
case BMP580_REG_EFF_OSR:
case BMP580_REG_STATUS:
return true;
default:
return false;
}
}
const struct regmap_config bmp280_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = BMP280_REG_TEMP_XLSB,
.cache_type = REGCACHE_RBTREE,
.writeable_reg = bmp280_is_writeable_reg,
.volatile_reg = bmp280_is_volatile_reg,
};
EXPORT_SYMBOL_NS(bmp280_regmap_config, "IIO_BMP280");
const struct regmap_config bme280_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = BME280_REG_HUMIDITY_LSB,
.cache_type = REGCACHE_RBTREE,
.writeable_reg = bme280_is_writeable_reg,
.volatile_reg = bme280_is_volatile_reg,
};
EXPORT_SYMBOL_NS(bme280_regmap_config, "IIO_BMP280");
const struct regmap_config bmp380_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = BMP380_REG_CMD,
.cache_type = REGCACHE_RBTREE,
.writeable_reg = bmp380_is_writeable_reg,
.volatile_reg = bmp380_is_volatile_reg,
};
EXPORT_SYMBOL_NS(bmp380_regmap_config, "IIO_BMP280");
const struct regmap_config bmp580_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = BMP580_REG_CMD,
.cache_type = REGCACHE_RBTREE,
.writeable_reg = bmp580_is_writeable_reg,
.volatile_reg = bmp580_is_volatile_reg,
};
EXPORT_SYMBOL_NS(bmp580_regmap_config, "IIO_BMP280");
|