iio: pressure: bmp280: Use BME prefix for BME280 specifics

[ Upstream commit b23be4cd99a6f1f46963b87952632268174e62c1 ]

Change the rest of the defines and function names that are
used specifically by the BME280 humidity sensor to BME280
as it is done for the rest of the BMP{0,1,3,5}80 sensors.

Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Link: https://lore.kernel.org/r/20240429190046.24252-3-vassilisamir@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Stable-dep-of: b9065b0250e1 ("iio: pressure: bmp280: Fix regmap for BMP280 device")
Signed-off-by: Sasha Levin <sashal@kernel.org>

3 files changed, 46 insertions, 44 deletions

diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c
index 82c177e0ff93..51413ab86e66 100644
--- a/drivers/iio/pressure/bmp280-core.c
+++ b/drivers/iio/pressure/bmp280-core.c
@@ -235,14 +235,14 @@ static int bme280_read_calib(struct bmp280_data *data)
 	 * Humidity data is only available on BME280.
 	 */
 
-	ret = regmap_read(data->regmap, BMP280_REG_COMP_H1, &tmp);
+	ret = regmap_read(data->regmap, BME280_REG_COMP_H1, &tmp);
 	if (ret < 0) {
 		dev_err(dev, "failed to read H1 comp value\n");
 		return ret;
 	}
 	calib->H1 = tmp;
 
-	ret = regmap_bulk_read(data->regmap, BMP280_REG_COMP_H2,
+	ret = regmap_bulk_read(data->regmap, BME280_REG_COMP_H2,
 			       &data->le16, sizeof(data->le16));
 	if (ret < 0) {
 		dev_err(dev, "failed to read H2 comp value\n");
@@ -250,14 +250,14 @@ static int bme280_read_calib(struct bmp280_data *data)
 	}
 	calib->H2 = sign_extend32(le16_to_cpu(data->le16), 15);
 
-	ret = regmap_read(data->regmap, BMP280_REG_COMP_H3, &tmp);
+	ret = regmap_read(data->regmap, BME280_REG_COMP_H3, &tmp);
 	if (ret < 0) {
 		dev_err(dev, "failed to read H3 comp value\n");
 		return ret;
 	}
 	calib->H3 = tmp;
 
-	ret = regmap_bulk_read(data->regmap, BMP280_REG_COMP_H4,
+	ret = regmap_bulk_read(data->regmap, BME280_REG_COMP_H4,
 			       &data->be16, sizeof(data->be16));
 	if (ret < 0) {
 		dev_err(dev, "failed to read H4 comp value\n");
@@ -266,15 +266,15 @@ static int bme280_read_calib(struct bmp280_data *data)
 	calib->H4 = sign_extend32(((be16_to_cpu(data->be16) >> 4) & 0xff0) |
 				  (be16_to_cpu(data->be16) & 0xf), 11);
 
-	ret = regmap_bulk_read(data->regmap, BMP280_REG_COMP_H5,
+	ret = regmap_bulk_read(data->regmap, BME280_REG_COMP_H5,
 			       &data->le16, sizeof(data->le16));
 	if (ret < 0) {
 		dev_err(dev, "failed to read H5 comp value\n");
 		return ret;
 	}
-	calib->H5 = sign_extend32(FIELD_GET(BMP280_COMP_H5_MASK, le16_to_cpu(data->le16)), 11);
+	calib->H5 = sign_extend32(FIELD_GET(BME280_COMP_H5_MASK, le16_to_cpu(data->le16)), 11);
 
-	ret = regmap_read(data->regmap, BMP280_REG_COMP_H6, &tmp);
+	ret = regmap_read(data->regmap, BME280_REG_COMP_H6, &tmp);
 	if (ret < 0) {
 		dev_err(dev, "failed to read H6 comp value\n");
 		return ret;
@@ -290,7 +290,7 @@ static int bme280_read_calib(struct bmp280_data *data)
  *
  * Taken from BME280 datasheet, Section 4.2.3, "Compensation formula".
  */
-static u32 bmp280_compensate_humidity(struct bmp280_data *data,
+static u32 bme280_compensate_humidity(struct bmp280_data *data,
 				      s32 adc_humidity)
 {
 	struct bmp280_calib *calib = &data->calib.bmp280;
@@ -430,7 +430,7 @@ static int bmp280_read_press(struct bmp280_data *data,
 	return IIO_VAL_FRACTIONAL;
 }
 
-static int bmp280_read_humid(struct bmp280_data *data, int *val, int *val2)
+static int bme280_read_humid(struct bmp280_data *data, int *val, int *val2)
 {
 	u32 comp_humidity;
 	s32 adc_humidity;
@@ -441,7 +441,7 @@ static int bmp280_read_humid(struct bmp280_data *data, int *val, int *val2)
 	if (ret < 0)
 		return ret;
 
-	ret = regmap_bulk_read(data->regmap, BMP280_REG_HUMIDITY_MSB,
+	ret = regmap_bulk_read(data->regmap, BME280_REG_HUMIDITY_MSB,
 			       &data->be16, sizeof(data->be16));
 	if (ret < 0) {
 		dev_err(data->dev, "failed to read humidity\n");
@@ -454,7 +454,7 @@ static int bmp280_read_humid(struct bmp280_data *data, int *val, int *val2)
 		dev_err(data->dev, "reading humidity skipped\n");
 		return -EIO;
 	}
-	comp_humidity = bmp280_compensate_humidity(data, adc_humidity);
+	comp_humidity = bme280_compensate_humidity(data, adc_humidity);
 
 	*val = comp_humidity * 1000 / 1024;
 
@@ -538,7 +538,7 @@ static int bmp280_read_raw(struct iio_dev *indio_dev,
 	return ret;
 }
 
-static int bmp280_write_oversampling_ratio_humid(struct bmp280_data *data,
+static int bme280_write_oversampling_ratio_humid(struct bmp280_data *data,
 						 int val)
 {
 	const int *avail = data->chip_info->oversampling_humid_avail;
@@ -682,7 +682,7 @@ static int bmp280_write_raw(struct iio_dev *indio_dev,
 		mutex_lock(&data->lock);
 		switch (chan->type) {
 		case IIO_HUMIDITYRELATIVE:
-			ret = bmp280_write_oversampling_ratio_humid(data, val);
+			ret = bme280_write_oversampling_ratio_humid(data, val);
 			break;
 		case IIO_PRESSURE:
 			ret = bmp280_write_oversampling_ratio_press(data, val);
@@ -832,16 +832,15 @@ EXPORT_SYMBOL_NS(bmp280_chip_info, IIO_BMP280);
 
 static int bme280_chip_config(struct bmp280_data *data)
 {
-	u8 osrs = FIELD_PREP(BMP280_OSRS_HUMIDITY_MASK, data->oversampling_humid + 1);
+	u8 osrs = FIELD_PREP(BME280_OSRS_HUMIDITY_MASK, data->oversampling_humid + 1);
 	int ret;
 
 	/*
 	 * Oversampling of humidity must be set before oversampling of
 	 * temperature/pressure is set to become effective.
 	 */
-	ret = regmap_update_bits(data->regmap, BMP280_REG_CTRL_HUMIDITY,
-				  BMP280_OSRS_HUMIDITY_MASK, osrs);
-
+	ret = regmap_update_bits(data->regmap, BME280_REG_CTRL_HUMIDITY,
+				 BME280_OSRS_HUMIDITY_MASK, osrs);
 	if (ret < 0)
 		return ret;
 
@@ -869,12 +868,12 @@ const struct bmp280_chip_info bme280_chip_info = {
 
 	.oversampling_humid_avail = bmp280_oversampling_avail,
 	.num_oversampling_humid_avail = ARRAY_SIZE(bmp280_oversampling_avail),
-	.oversampling_humid_default = BMP280_OSRS_HUMIDITY_16X - 1,
+	.oversampling_humid_default = BME280_OSRS_HUMIDITY_16X - 1,
 
 	.chip_config = bme280_chip_config,
 	.read_temp = bmp280_read_temp,
 	.read_press = bmp280_read_press,
-	.read_humid = bmp280_read_humid,
+	.read_humid = bme280_read_humid,
 	.read_calib = bme280_read_calib,
 };
 EXPORT_SYMBOL_NS(bme280_chip_info, IIO_BMP280);
diff --git a/drivers/iio/pressure/bmp280-regmap.c b/drivers/iio/pressure/bmp280-regmap.c
index 3ee56720428c..fa52839474b1 100644
--- a/drivers/iio/pressure/bmp280-regmap.c
+++ b/drivers/iio/pressure/bmp280-regmap.c
@@ -45,7 +45,7 @@ static bool bmp280_is_writeable_reg(struct device *dev, unsigned int reg)
 {
 	switch (reg) {
 	case BMP280_REG_CONFIG:
-	case BMP280_REG_CTRL_HUMIDITY:
+	case BME280_REG_CTRL_HUMIDITY:
 	case BMP280_REG_CTRL_MEAS:
 	case BMP280_REG_RESET:
 		return true;
@@ -57,8 +57,8 @@ static bool bmp280_is_writeable_reg(struct device *dev, unsigned int reg)
 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 BME280_REG_HUMIDITY_LSB:
+	case BME280_REG_HUMIDITY_MSB:
 	case BMP280_REG_TEMP_XLSB:
 	case BMP280_REG_TEMP_LSB:
 	case BMP280_REG_TEMP_MSB:
@@ -167,7 +167,7 @@ const struct regmap_config bmp280_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 
-	.max_register = BMP280_REG_HUMIDITY_LSB,
+	.max_register = BME280_REG_HUMIDITY_LSB,
 	.cache_type = REGCACHE_RBTREE,
 
 	.writeable_reg = bmp280_is_writeable_reg,
diff --git a/drivers/iio/pressure/bmp280.h b/drivers/iio/pressure/bmp280.h
index 5812a344ed8e..91d4457a9230 100644
--- a/drivers/iio/pressure/bmp280.h
+++ b/drivers/iio/pressure/bmp280.h
@@ -192,8 +192,6 @@
 #define BMP380_PRESS_SKIPPED		0x800000
 
 /* BMP280 specific registers */
-#define BMP280_REG_HUMIDITY_LSB		0xFE
-#define BMP280_REG_HUMIDITY_MSB		0xFD
 #define BMP280_REG_TEMP_XLSB		0xFC
 #define BMP280_REG_TEMP_LSB		0xFB
 #define BMP280_REG_TEMP_MSB		0xFA
@@ -207,15 +205,6 @@
 #define BMP280_REG_CONFIG		0xF5
 #define BMP280_REG_CTRL_MEAS		0xF4
 #define BMP280_REG_STATUS		0xF3
-#define BMP280_REG_CTRL_HUMIDITY	0xF2
-
-/* Due to non linear mapping, and data sizes we can't do a bulk read */
-#define BMP280_REG_COMP_H1		0xA1
-#define BMP280_REG_COMP_H2		0xE1
-#define BMP280_REG_COMP_H3		0xE3
-#define BMP280_REG_COMP_H4		0xE4
-#define BMP280_REG_COMP_H5		0xE5
-#define BMP280_REG_COMP_H6		0xE7
 
 #define BMP280_REG_COMP_TEMP_START	0x88
 #define BMP280_COMP_TEMP_REG_COUNT	6
@@ -223,8 +212,6 @@
 #define BMP280_REG_COMP_PRESS_START	0x8E
 #define BMP280_COMP_PRESS_REG_COUNT	18
 
-#define BMP280_COMP_H5_MASK		GENMASK(15, 4)
-
 #define BMP280_CONTIGUOUS_CALIB_REGS	(BMP280_COMP_TEMP_REG_COUNT + \
 					 BMP280_COMP_PRESS_REG_COUNT)
 
@@ -235,14 +222,6 @@
 #define BMP280_FILTER_8X		3
 #define BMP280_FILTER_16X		4
 
-#define BMP280_OSRS_HUMIDITY_MASK	GENMASK(2, 0)
-#define BMP280_OSRS_HUMIDITY_SKIP	0
-#define BMP280_OSRS_HUMIDITY_1X		1
-#define BMP280_OSRS_HUMIDITY_2X		2
-#define BMP280_OSRS_HUMIDITY_4X		3
-#define BMP280_OSRS_HUMIDITY_8X		4
-#define BMP280_OSRS_HUMIDITY_16X	5
-
 #define BMP280_OSRS_TEMP_MASK		GENMASK(7, 5)
 #define BMP280_OSRS_TEMP_SKIP		0
 #define BMP280_OSRS_TEMP_1X		1
@@ -264,6 +243,30 @@
 #define BMP280_MODE_FORCED		1
 #define BMP280_MODE_NORMAL		3
 
+/* BME280 specific registers */
+#define BME280_REG_HUMIDITY_LSB		0xFE
+#define BME280_REG_HUMIDITY_MSB		0xFD
+
+#define BME280_REG_CTRL_HUMIDITY	0xF2
+
+/* Due to non linear mapping, and data sizes we can't do a bulk read */
+#define BME280_REG_COMP_H1		0xA1
+#define BME280_REG_COMP_H2		0xE1
+#define BME280_REG_COMP_H3		0xE3
+#define BME280_REG_COMP_H4		0xE4
+#define BME280_REG_COMP_H5		0xE5
+#define BME280_REG_COMP_H6		0xE7
+
+#define BME280_COMP_H5_MASK		GENMASK(15, 4)
+
+#define BME280_OSRS_HUMIDITY_MASK	GENMASK(2, 0)
+#define BME280_OSRS_HUMIDITY_SKIP	0
+#define BME280_OSRS_HUMIDITY_1X		1
+#define BME280_OSRS_HUMIDITY_2X		2
+#define BME280_OSRS_HUMIDITY_4X		3
+#define BME280_OSRS_HUMIDITY_8X		4
+#define BME280_OSRS_HUMIDITY_16X	5
+
 /* BMP180 specific registers */
 #define BMP180_REG_OUT_XLSB		0xF8
 #define BMP180_REG_OUT_LSB		0xF7