mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
140 lines
3.0 KiB
140 lines
3.0 KiB
// 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 bmp280_is_writeable_reg(struct device *dev, unsigned int reg) |
|
{ |
|
switch (reg) { |
|
case BMP280_REG_CONFIG: |
|
case BMP280_REG_CTRL_HUMIDITY: |
|
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_HUMIDITY_LSB: |
|
case BMP280_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; |
|
} |
|
} |
|
|
|
const struct regmap_config bmp280_regmap_config = { |
|
.reg_bits = 8, |
|
.val_bits = 8, |
|
|
|
.max_register = BMP280_REG_HUMIDITY_LSB, |
|
.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 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);
|
|
|