summaryrefslogtreecommitdiff
path: root/drivers/iio/gyro
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /drivers/iio/gyro
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'drivers/iio/gyro')
-rw-r--r--drivers/iio/gyro/Kconfig19
-rw-r--r--drivers/iio/gyro/Makefile4
-rw-r--r--drivers/iio/gyro/adis16080.c1
-rw-r--r--drivers/iio/gyro/adis16130.c1
-rw-r--r--drivers/iio/gyro/adis16136.c1
-rw-r--r--drivers/iio/gyro/adis16260.c1
-rw-r--r--drivers/iio/gyro/adxrs450.c1
-rw-r--r--drivers/iio/gyro/bmg160.h10
-rw-r--r--drivers/iio/gyro/bmg160_core.c (renamed from drivers/iio/gyro/bmg160.c)361
-rw-r--r--drivers/iio/gyro/bmg160_i2c.c71
-rw-r--r--drivers/iio/gyro/bmg160_spi.c57
-rw-r--r--drivers/iio/gyro/st_gyro_core.c1
-rw-r--r--drivers/iio/gyro/st_gyro_spi.c1
13 files changed, 302 insertions, 227 deletions
diff --git a/drivers/iio/gyro/Kconfig b/drivers/iio/gyro/Kconfig
index 8d2439345..e816d29d6 100644
--- a/drivers/iio/gyro/Kconfig
+++ b/drivers/iio/gyro/Kconfig
@@ -52,15 +52,26 @@ config ADXRS450
config BMG160
tristate "BOSCH BMG160 Gyro Sensor"
- depends on I2C
+ depends on (I2C || SPI_MASTER)
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
+ select BMG160_I2C if (I2C)
+ select BMG160_SPI if (SPI)
help
- Say yes here to build support for Bosch BMG160 Tri-axis Gyro Sensor
- driver. This driver also supports BMI055 gyroscope.
+ Say yes here to build support for BOSCH BMG160 Tri-axis Gyro Sensor
+ driver connected via I2C or SPI. This driver also supports BMI055
+ gyroscope.
This driver can also be built as a module. If so, the module
- will be called bmg160.
+ will be called bmg160_i2c or bmg160_spi.
+
+config BMG160_I2C
+ tristate
+ select REGMAP_I2C
+
+config BMG160_SPI
+ tristate
+ select REGMAP_SPI
config HID_SENSOR_GYRO_3D
depends on HID_SENSOR_HUB
diff --git a/drivers/iio/gyro/Makefile b/drivers/iio/gyro/Makefile
index f46341b39..f866a4be0 100644
--- a/drivers/iio/gyro/Makefile
+++ b/drivers/iio/gyro/Makefile
@@ -8,7 +8,9 @@ obj-$(CONFIG_ADIS16130) += adis16130.o
obj-$(CONFIG_ADIS16136) += adis16136.o
obj-$(CONFIG_ADIS16260) += adis16260.o
obj-$(CONFIG_ADXRS450) += adxrs450.o
-obj-$(CONFIG_BMG160) += bmg160.o
+obj-$(CONFIG_BMG160) += bmg160_core.o
+obj-$(CONFIG_BMG160_I2C) += bmg160_i2c.o
+obj-$(CONFIG_BMG160_SPI) += bmg160_spi.o
obj-$(CONFIG_HID_SENSOR_GYRO_3D) += hid-sensor-gyro-3d.o
diff --git a/drivers/iio/gyro/adis16080.c b/drivers/iio/gyro/adis16080.c
index add509837..ad31a1372 100644
--- a/drivers/iio/gyro/adis16080.c
+++ b/drivers/iio/gyro/adis16080.c
@@ -228,7 +228,6 @@ MODULE_DEVICE_TABLE(spi, adis16080_ids);
static struct spi_driver adis16080_driver = {
.driver = {
.name = "adis16080",
- .owner = THIS_MODULE,
},
.probe = adis16080_probe,
.remove = adis16080_remove,
diff --git a/drivers/iio/gyro/adis16130.c b/drivers/iio/gyro/adis16130.c
index 8d08c7ed1..e5241f41e 100644
--- a/drivers/iio/gyro/adis16130.c
+++ b/drivers/iio/gyro/adis16130.c
@@ -167,7 +167,6 @@ static int adis16130_probe(struct spi_device *spi)
static struct spi_driver adis16130_driver = {
.driver = {
.name = "adis16130",
- .owner = THIS_MODULE,
},
.probe = adis16130_probe,
};
diff --git a/drivers/iio/gyro/adis16136.c b/drivers/iio/gyro/adis16136.c
index 26de876b2..f8d1c2210 100644
--- a/drivers/iio/gyro/adis16136.c
+++ b/drivers/iio/gyro/adis16136.c
@@ -570,7 +570,6 @@ MODULE_DEVICE_TABLE(spi, adis16136_ids);
static struct spi_driver adis16136_driver = {
.driver = {
.name = "adis16136",
- .owner = THIS_MODULE,
},
.id_table = adis16136_ids,
.probe = adis16136_probe,
diff --git a/drivers/iio/gyro/adis16260.c b/drivers/iio/gyro/adis16260.c
index 00c6ad9bf..7da8825f4 100644
--- a/drivers/iio/gyro/adis16260.c
+++ b/drivers/iio/gyro/adis16260.c
@@ -435,7 +435,6 @@ MODULE_DEVICE_TABLE(spi, adis16260_id);
static struct spi_driver adis16260_driver = {
.driver = {
.name = "adis16260",
- .owner = THIS_MODULE,
},
.probe = adis16260_probe,
.remove = adis16260_remove,
diff --git a/drivers/iio/gyro/adxrs450.c b/drivers/iio/gyro/adxrs450.c
index eb0e08ec9..a330d4288 100644
--- a/drivers/iio/gyro/adxrs450.c
+++ b/drivers/iio/gyro/adxrs450.c
@@ -456,7 +456,6 @@ MODULE_DEVICE_TABLE(spi, adxrs450_id);
static struct spi_driver adxrs450_driver = {
.driver = {
.name = "adxrs450",
- .owner = THIS_MODULE,
},
.probe = adxrs450_probe,
.id_table = adxrs450_id,
diff --git a/drivers/iio/gyro/bmg160.h b/drivers/iio/gyro/bmg160.h
new file mode 100644
index 000000000..72db723c8
--- /dev/null
+++ b/drivers/iio/gyro/bmg160.h
@@ -0,0 +1,10 @@
+#ifndef BMG160_H_
+#define BMG160_H_
+
+extern const struct dev_pm_ops bmg160_pm_ops;
+
+int bmg160_core_probe(struct device *dev, struct regmap *regmap, int irq,
+ const char *name);
+void bmg160_core_remove(struct device *dev);
+
+#endif /* BMG160_H_ */
diff --git a/drivers/iio/gyro/bmg160.c b/drivers/iio/gyro/bmg160_core.c
index 460bf715d..02ff78985 100644
--- a/drivers/iio/gyro/bmg160.c
+++ b/drivers/iio/gyro/bmg160_core.c
@@ -13,7 +13,6 @@
*/
#include <linux/module.h>
-#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/slab.h>
@@ -28,8 +27,9 @@
#include <linux/iio/events.h>
#include <linux/iio/trigger_consumer.h>
#include <linux/iio/triggered_buffer.h>
+#include <linux/regmap.h>
+#include "bmg160.h"
-#define BMG160_DRV_NAME "bmg160"
#define BMG160_IRQ_NAME "bmg160_event"
#define BMG160_GPIO_NAME "gpio_int"
@@ -97,7 +97,8 @@
#define BMG160_AUTO_SUSPEND_DELAY_MS 2000
struct bmg160_data {
- struct i2c_client *client;
+ struct device *dev;
+ struct regmap *regmap;
struct iio_trigger *dready_trig;
struct iio_trigger *motion_trig;
struct mutex mutex;
@@ -108,6 +109,7 @@ struct bmg160_data {
int slope_thres;
bool dready_trigger_on;
bool motion_trigger_on;
+ int irq;
};
enum bmg160_axis {
@@ -138,10 +140,9 @@ static int bmg160_set_mode(struct bmg160_data *data, u8 mode)
{
int ret;
- ret = i2c_smbus_write_byte_data(data->client,
- BMG160_REG_PMU_LPW, mode);
+ ret = regmap_write(data->regmap, BMG160_REG_PMU_LPW, mode);
if (ret < 0) {
- dev_err(&data->client->dev, "Error writing reg_pmu_lpw\n");
+ dev_err(data->dev, "Error writing reg_pmu_lpw\n");
return ret;
}
@@ -169,10 +170,9 @@ static int bmg160_set_bw(struct bmg160_data *data, int val)
if (bw_bits < 0)
return bw_bits;
- ret = i2c_smbus_write_byte_data(data->client, BMG160_REG_PMU_BW,
- bw_bits);
+ ret = regmap_write(data->regmap, BMG160_REG_PMU_BW, bw_bits);
if (ret < 0) {
- dev_err(&data->client->dev, "Error writing reg_pmu_bw\n");
+ dev_err(data->dev, "Error writing reg_pmu_bw\n");
return ret;
}
@@ -184,16 +184,17 @@ static int bmg160_set_bw(struct bmg160_data *data, int val)
static int bmg160_chip_init(struct bmg160_data *data)
{
int ret;
+ unsigned int val;
- ret = i2c_smbus_read_byte_data(data->client, BMG160_REG_CHIP_ID);
+ ret = regmap_read(data->regmap, BMG160_REG_CHIP_ID, &val);
if (ret < 0) {
- dev_err(&data->client->dev, "Error reading reg_chip_id\n");
+ dev_err(data->dev, "Error reading reg_chip_id\n");
return ret;
}
- dev_dbg(&data->client->dev, "Chip Id %x\n", ret);
- if (ret != BMG160_CHIP_ID_VAL) {
- dev_err(&data->client->dev, "invalid chip %x\n", ret);
+ dev_dbg(data->dev, "Chip Id %x\n", val);
+ if (val != BMG160_CHIP_ID_VAL) {
+ dev_err(data->dev, "invalid chip %x\n", val);
return -ENODEV;
}
@@ -210,42 +211,33 @@ static int bmg160_chip_init(struct bmg160_data *data)
return ret;
/* Set Default Range */
- ret = i2c_smbus_write_byte_data(data->client,
- BMG160_REG_RANGE,
- BMG160_RANGE_500DPS);
+ ret = regmap_write(data->regmap, BMG160_REG_RANGE, BMG160_RANGE_500DPS);
if (ret < 0) {
- dev_err(&data->client->dev, "Error writing reg_range\n");
+ dev_err(data->dev, "Error writing reg_range\n");
return ret;
}
data->dps_range = BMG160_RANGE_500DPS;
- ret = i2c_smbus_read_byte_data(data->client, BMG160_REG_SLOPE_THRES);
+ ret = regmap_read(data->regmap, BMG160_REG_SLOPE_THRES, &val);
if (ret < 0) {
- dev_err(&data->client->dev, "Error reading reg_slope_thres\n");
+ dev_err(data->dev, "Error reading reg_slope_thres\n");
return ret;
}
- data->slope_thres = ret;
+ data->slope_thres = val;
/* Set default interrupt mode */
- ret = i2c_smbus_read_byte_data(data->client, BMG160_REG_INT_EN_1);
+ ret = regmap_update_bits(data->regmap, BMG160_REG_INT_EN_1,
+ BMG160_INT1_BIT_OD, 0);
if (ret < 0) {
- dev_err(&data->client->dev, "Error reading reg_int_en_1\n");
- return ret;
- }
- ret &= ~BMG160_INT1_BIT_OD;
- ret = i2c_smbus_write_byte_data(data->client,
- BMG160_REG_INT_EN_1, ret);
- if (ret < 0) {
- dev_err(&data->client->dev, "Error writing reg_int_en_1\n");
+ dev_err(data->dev, "Error updating bits in reg_int_en_1\n");
return ret;
}
- ret = i2c_smbus_write_byte_data(data->client,
- BMG160_REG_INT_RST_LATCH,
- BMG160_INT_MODE_LATCH_INT |
- BMG160_INT_MODE_LATCH_RESET);
+ ret = regmap_write(data->regmap, BMG160_REG_INT_RST_LATCH,
+ BMG160_INT_MODE_LATCH_INT |
+ BMG160_INT_MODE_LATCH_RESET);
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"Error writing reg_motion_intr\n");
return ret;
}
@@ -259,17 +251,17 @@ static int bmg160_set_power_state(struct bmg160_data *data, bool on)
int ret;
if (on)
- ret = pm_runtime_get_sync(&data->client->dev);
+ ret = pm_runtime_get_sync(data->dev);
else {
- pm_runtime_mark_last_busy(&data->client->dev);
- ret = pm_runtime_put_autosuspend(&data->client->dev);
+ pm_runtime_mark_last_busy(data->dev);
+ ret = pm_runtime_put_autosuspend(data->dev);
}
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"Failed: bmg160_set_power_state for %d\n", on);
if (on)
- pm_runtime_put_noidle(&data->client->dev);
+ pm_runtime_put_noidle(data->dev);
return ret;
}
@@ -284,43 +276,30 @@ static int bmg160_setup_any_motion_interrupt(struct bmg160_data *data,
int ret;
/* Enable/Disable INT_MAP0 mapping */
- ret = i2c_smbus_read_byte_data(data->client, BMG160_REG_INT_MAP_0);
- if (ret < 0) {
- dev_err(&data->client->dev, "Error reading reg_int_map0\n");
- return ret;
- }
- if (status)
- ret |= BMG160_INT_MAP_0_BIT_ANY;
- else
- ret &= ~BMG160_INT_MAP_0_BIT_ANY;
-
- ret = i2c_smbus_write_byte_data(data->client,
- BMG160_REG_INT_MAP_0,
- ret);
+ ret = regmap_update_bits(data->regmap, BMG160_REG_INT_MAP_0,
+ BMG160_INT_MAP_0_BIT_ANY,
+ (status ? BMG160_INT_MAP_0_BIT_ANY : 0));
if (ret < 0) {
- dev_err(&data->client->dev, "Error writing reg_int_map0\n");
+ dev_err(data->dev, "Error updating bits reg_int_map0\n");
return ret;
}
/* Enable/Disable slope interrupts */
if (status) {
/* Update slope thres */
- ret = i2c_smbus_write_byte_data(data->client,
- BMG160_REG_SLOPE_THRES,
- data->slope_thres);
+ ret = regmap_write(data->regmap, BMG160_REG_SLOPE_THRES,
+ data->slope_thres);
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"Error writing reg_slope_thres\n");
return ret;
}
- ret = i2c_smbus_write_byte_data(data->client,
- BMG160_REG_MOTION_INTR,
- BMG160_INT_MOTION_X |
- BMG160_INT_MOTION_Y |
- BMG160_INT_MOTION_Z);
+ ret = regmap_write(data->regmap, BMG160_REG_MOTION_INTR,
+ BMG160_INT_MOTION_X | BMG160_INT_MOTION_Y |
+ BMG160_INT_MOTION_Z);
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"Error writing reg_motion_intr\n");
return ret;
}
@@ -331,28 +310,26 @@ static int bmg160_setup_any_motion_interrupt(struct bmg160_data *data,
* to set latched mode, we will be flooded anyway with INTR
*/
if (!data->dready_trigger_on) {
- ret = i2c_smbus_write_byte_data(data->client,
- BMG160_REG_INT_RST_LATCH,
- BMG160_INT_MODE_LATCH_INT |
- BMG160_INT_MODE_LATCH_RESET);
+ ret = regmap_write(data->regmap,
+ BMG160_REG_INT_RST_LATCH,
+ BMG160_INT_MODE_LATCH_INT |
+ BMG160_INT_MODE_LATCH_RESET);
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"Error writing reg_rst_latch\n");
return ret;
}
}
- ret = i2c_smbus_write_byte_data(data->client,
- BMG160_REG_INT_EN_0,
- BMG160_DATA_ENABLE_INT);
+ ret = regmap_write(data->regmap, BMG160_REG_INT_EN_0,
+ BMG160_DATA_ENABLE_INT);
- } else
- ret = i2c_smbus_write_byte_data(data->client,
- BMG160_REG_INT_EN_0,
- 0);
+ } else {
+ ret = regmap_write(data->regmap, BMG160_REG_INT_EN_0, 0);
+ }
if (ret < 0) {
- dev_err(&data->client->dev, "Error writing reg_int_en0\n");
+ dev_err(data->dev, "Error writing reg_int_en0\n");
return ret;
}
@@ -365,59 +342,43 @@ static int bmg160_setup_new_data_interrupt(struct bmg160_data *data,
int ret;
/* Enable/Disable INT_MAP1 mapping */
- ret = i2c_smbus_read_byte_data(data->client, BMG160_REG_INT_MAP_1);
- if (ret < 0) {
- dev_err(&data->client->dev, "Error reading reg_int_map1\n");
- return ret;
- }
-
- if (status)
- ret |= BMG160_INT_MAP_1_BIT_NEW_DATA;
- else
- ret &= ~BMG160_INT_MAP_1_BIT_NEW_DATA;
-
- ret = i2c_smbus_write_byte_data(data->client,
- BMG160_REG_INT_MAP_1,
- ret);
+ ret = regmap_update_bits(data->regmap, BMG160_REG_INT_MAP_1,
+ BMG160_INT_MAP_1_BIT_NEW_DATA,
+ (status ? BMG160_INT_MAP_1_BIT_NEW_DATA : 0));
if (ret < 0) {
- dev_err(&data->client->dev, "Error writing reg_int_map1\n");
+ dev_err(data->dev, "Error updating bits in reg_int_map1\n");
return ret;
}
if (status) {
- ret = i2c_smbus_write_byte_data(data->client,
- BMG160_REG_INT_RST_LATCH,
- BMG160_INT_MODE_NON_LATCH_INT |
- BMG160_INT_MODE_LATCH_RESET);
+ ret = regmap_write(data->regmap, BMG160_REG_INT_RST_LATCH,
+ BMG160_INT_MODE_NON_LATCH_INT |
+ BMG160_INT_MODE_LATCH_RESET);
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"Error writing reg_rst_latch\n");
return ret;
}
- ret = i2c_smbus_write_byte_data(data->client,
- BMG160_REG_INT_EN_0,
- BMG160_DATA_ENABLE_INT);
+ ret = regmap_write(data->regmap, BMG160_REG_INT_EN_0,
+ BMG160_DATA_ENABLE_INT);
} else {
/* Restore interrupt mode */
- ret = i2c_smbus_write_byte_data(data->client,
- BMG160_REG_INT_RST_LATCH,
- BMG160_INT_MODE_LATCH_INT |
- BMG160_INT_MODE_LATCH_RESET);
+ ret = regmap_write(data->regmap, BMG160_REG_INT_RST_LATCH,
+ BMG160_INT_MODE_LATCH_INT |
+ BMG160_INT_MODE_LATCH_RESET);
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"Error writing reg_rst_latch\n");
return ret;
}
- ret = i2c_smbus_write_byte_data(data->client,
- BMG160_REG_INT_EN_0,
- 0);
+ ret = regmap_write(data->regmap, BMG160_REG_INT_EN_0, 0);
}
if (ret < 0) {
- dev_err(&data->client->dev, "Error writing reg_int_en0\n");
+ dev_err(data->dev, "Error writing reg_int_en0\n");
return ret;
}
@@ -444,12 +405,10 @@ static int bmg160_set_scale(struct bmg160_data *data, int val)
for (i = 0; i < ARRAY_SIZE(bmg160_scale_table); ++i) {
if (bmg160_scale_table[i].scale == val) {
- ret = i2c_smbus_write_byte_data(
- data->client,
- BMG160_REG_RANGE,
- bmg160_scale_table[i].dps_range);
+ ret = regmap_write(data->regmap, BMG160_REG_RANGE,
+ bmg160_scale_table[i].dps_range);
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"Error writing reg_range\n");
return ret;
}
@@ -464,6 +423,7 @@ static int bmg160_set_scale(struct bmg160_data *data, int val)
static int bmg160_get_temp(struct bmg160_data *data, int *val)
{
int ret;
+ unsigned int raw_val;
mutex_lock(&data->mutex);
ret = bmg160_set_power_state(data, true);
@@ -472,15 +432,15 @@ static int bmg160_get_temp(struct bmg160_data *data, int *val)
return ret;
}
- ret = i2c_smbus_read_byte_data(data->client, BMG160_REG_TEMP);
+ ret = regmap_read(data->regmap, BMG160_REG_TEMP, &raw_val);
if (ret < 0) {
- dev_err(&data->client->dev, "Error reading reg_temp\n");
+ dev_err(data->dev, "Error reading reg_temp\n");
bmg160_set_power_state(data, false);
mutex_unlock(&data->mutex);
return ret;
}
- *val = sign_extend32(ret, 7);
+ *val = sign_extend32(raw_val, 7);
ret = bmg160_set_power_state(data, false);
mutex_unlock(&data->mutex);
if (ret < 0)
@@ -492,6 +452,7 @@ static int bmg160_get_temp(struct bmg160_data *data, int *val)
static int bmg160_get_axis(struct bmg160_data *data, int axis, int *val)
{
int ret;
+ unsigned int raw_val;
mutex_lock(&data->mutex);
ret = bmg160_set_power_state(data, true);
@@ -500,15 +461,16 @@ static int bmg160_get_axis(struct bmg160_data *data, int axis, int *val)
return ret;
}
- ret = i2c_smbus_read_word_data(data->client, BMG160_AXIS_TO_REG(axis));
+ ret = regmap_bulk_read(data->regmap, BMG160_AXIS_TO_REG(axis), &raw_val,
+ 2);
if (ret < 0) {
- dev_err(&data->client->dev, "Error reading axis %d\n", axis);
+ dev_err(data->dev, "Error reading axis %d\n", axis);
bmg160_set_power_state(data, false);
mutex_unlock(&data->mutex);
return ret;
}
- *val = sign_extend32(ret, 15);
+ *val = sign_extend32(raw_val, 15);
ret = bmg160_set_power_state(data, false);
mutex_unlock(&data->mutex);
if (ret < 0)
@@ -807,12 +769,13 @@ static irqreturn_t bmg160_trigger_handler(int irq, void *p)
struct iio_dev *indio_dev = pf->indio_dev;
struct bmg160_data *data = iio_priv(indio_dev);
int bit, ret, i = 0;
+ unsigned int val;
mutex_lock(&data->mutex);
for_each_set_bit(bit, indio_dev->active_scan_mask,
indio_dev->masklength) {
- ret = i2c_smbus_read_word_data(data->client,
- BMG160_AXIS_TO_REG(bit));
+ ret = regmap_bulk_read(data->regmap, BMG160_AXIS_TO_REG(bit),
+ &val, 2);
if (ret < 0) {
mutex_unlock(&data->mutex);
goto err;
@@ -840,12 +803,11 @@ static int bmg160_trig_try_reen(struct iio_trigger *trig)
return 0;
/* Set latched mode interrupt and clear any latched interrupt */
- ret = i2c_smbus_write_byte_data(data->client,
- BMG160_REG_INT_RST_LATCH,
- BMG160_INT_MODE_LATCH_INT |
- BMG160_INT_MODE_LATCH_RESET);
+ ret = regmap_write(data->regmap, BMG160_REG_INT_RST_LATCH,
+ BMG160_INT_MODE_LATCH_INT |
+ BMG160_INT_MODE_LATCH_RESET);
if (ret < 0) {
- dev_err(&data->client->dev, "Error writing reg_rst_latch\n");
+ dev_err(data->dev, "Error writing reg_rst_latch\n");
return ret;
}
@@ -907,33 +869,34 @@ static irqreturn_t bmg160_event_handler(int irq, void *private)
struct bmg160_data *data = iio_priv(indio_dev);
int ret;
int dir;
+ unsigned int val;
- ret = i2c_smbus_read_byte_data(data->client, BMG160_REG_INT_STATUS_2);
+ ret = regmap_read(data->regmap, BMG160_REG_INT_STATUS_2, &val);
if (ret < 0) {
- dev_err(&data->client->dev, "Error reading reg_int_status2\n");
+ dev_err(data->dev, "Error reading reg_int_status2\n");
goto ack_intr_status;
}
- if (ret & 0x08)
+ if (val & 0x08)
dir = IIO_EV_DIR_RISING;
else
dir = IIO_EV_DIR_FALLING;
- if (ret & BMG160_ANY_MOTION_BIT_X)
+ if (val & BMG160_ANY_MOTION_BIT_X)
iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ANGL_VEL,
0,
IIO_MOD_X,
IIO_EV_TYPE_ROC,
dir),
iio_get_time_ns());
- if (ret & BMG160_ANY_MOTION_BIT_Y)
+ if (val & BMG160_ANY_MOTION_BIT_Y)
iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ANGL_VEL,
0,
IIO_MOD_Y,
IIO_EV_TYPE_ROC,
dir),
iio_get_time_ns());
- if (ret & BMG160_ANY_MOTION_BIT_Z)
+ if (val & BMG160_ANY_MOTION_BIT_Z)
iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ANGL_VEL,
0,
IIO_MOD_Z,
@@ -943,12 +906,11 @@ static irqreturn_t bmg160_event_handler(int irq, void *private)
ack_intr_status:
if (!data->dready_trigger_on) {
- ret = i2c_smbus_write_byte_data(data->client,
- BMG160_REG_INT_RST_LATCH,
- BMG160_INT_MODE_LATCH_INT |
- BMG160_INT_MODE_LATCH_RESET);
+ ret = regmap_write(data->regmap, BMG160_REG_INT_RST_LATCH,
+ BMG160_INT_MODE_LATCH_INT |
+ BMG160_INT_MODE_LATCH_RESET);
if (ret < 0)
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"Error writing reg_rst_latch\n");
}
@@ -993,18 +955,13 @@ static const struct iio_buffer_setup_ops bmg160_buffer_setup_ops = {
.postdisable = bmg160_buffer_postdisable,
};
-static int bmg160_gpio_probe(struct i2c_client *client,
- struct bmg160_data *data)
+static int bmg160_gpio_probe(struct bmg160_data *data)
{
struct device *dev;
struct gpio_desc *gpio;
- int ret;
-
- if (!client)
- return -EINVAL;
- dev = &client->dev;
+ dev = data->dev;
/* data ready gpio interrupt pin */
gpio = devm_gpiod_get_index(dev, BMG160_GPIO_NAME, 0, GPIOD_IN);
@@ -1013,11 +970,12 @@ static int bmg160_gpio_probe(struct i2c_client *client,
return PTR_ERR(gpio);
}
- ret = gpiod_to_irq(gpio);
+ data->irq = gpiod_to_irq(gpio);
- dev_dbg(dev, "GPIO resource, no:%d irq:%d\n", desc_to_gpio(gpio), ret);
+ dev_dbg(dev, "GPIO resource, no:%d irq:%d\n", desc_to_gpio(gpio),
+ data->irq);
- return ret;
+ return 0;
}
static const char *bmg160_match_acpi_device(struct device *dev)
@@ -1031,21 +989,22 @@ static const char *bmg160_match_acpi_device(struct device *dev)
return dev_name(dev);
}
-static int bmg160_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+int bmg160_core_probe(struct device *dev, struct regmap *regmap, int irq,
+ const char *name)
{
struct bmg160_data *data;
struct iio_dev *indio_dev;
int ret;
- const char *name = NULL;
- indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
+ indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
if (!indio_dev)
return -ENOMEM;
data = iio_priv(indio_dev);
- i2c_set_clientdata(client, indio_dev);
- data->client = client;
+ dev_set_drvdata(dev, indio_dev);
+ data->dev = dev;
+ data->irq = irq;
+ data->regmap = regmap;
ret = bmg160_chip_init(data);
if (ret < 0)
@@ -1053,25 +1012,22 @@ static int bmg160_probe(struct i2c_client *client,
mutex_init(&data->mutex);
- if (id)
- name = id->name;
+ if (ACPI_HANDLE(dev))
+ name = bmg160_match_acpi_device(dev);
- if (ACPI_HANDLE(&client->dev))
- name = bmg160_match_acpi_device(&client->dev);
-
- indio_dev->dev.parent = &client->dev;
+ indio_dev->dev.parent = dev;
indio_dev->channels = bmg160_channels;
indio_dev->num_channels = ARRAY_SIZE(bmg160_channels);
indio_dev->name = name;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->info = &bmg160_info;
- if (client->irq <= 0)
- client->irq = bmg160_gpio_probe(client, data);
+ if (data->irq <= 0)
+ bmg160_gpio_probe(data);
- if (client->irq > 0) {
- ret = devm_request_threaded_irq(&client->dev,
- client->irq,
+ if (data->irq > 0) {
+ ret = devm_request_threaded_irq(dev,
+ data->irq,
bmg160_data_rdy_trig_poll,
bmg160_event_handler,
IRQF_TRIGGER_RISING,
@@ -1080,28 +1036,28 @@ static int bmg160_probe(struct i2c_client *client,
if (ret)
return ret;
- data->dready_trig = devm_iio_trigger_alloc(&client->dev,
+ data->dready_trig = devm_iio_trigger_alloc(dev,
"%s-dev%d",
indio_dev->name,
indio_dev->id);
if (!data->dready_trig)
return -ENOMEM;
- data->motion_trig = devm_iio_trigger_alloc(&client->dev,
+ data->motion_trig = devm_iio_trigger_alloc(dev,
"%s-any-motion-dev%d",
indio_dev->name,
indio_dev->id);
if (!data->motion_trig)
return -ENOMEM;
- data->dready_trig->dev.parent = &client->dev;
+ data->dready_trig->dev.parent = dev;
data->dready_trig->ops = &bmg160_trigger_ops;
iio_trigger_set_drvdata(data->dready_trig, indio_dev);
ret = iio_trigger_register(data->dready_trig);
if (ret)
return ret;
- data->motion_trig->dev.parent = &client->dev;
+ data->motion_trig->dev.parent = dev;
data->motion_trig->ops = &bmg160_trigger_ops;
iio_trigger_set_drvdata(data->motion_trig, indio_dev);
ret = iio_trigger_register(data->motion_trig);
@@ -1116,25 +1072,25 @@ static int bmg160_probe(struct i2c_client *client,
bmg160_trigger_handler,
&bmg160_buffer_setup_ops);
if (ret < 0) {
- dev_err(&client->dev,
+ dev_err(dev,
"iio triggered buffer setup failed\n");
goto err_trigger_unregister;
}
ret = iio_device_register(indio_dev);
if (ret < 0) {
- dev_err(&client->dev, "unable to register iio device\n");
+ dev_err(dev, "unable to register iio device\n");
goto err_buffer_cleanup;
}
- ret = pm_runtime_set_active(&client->dev);
+ ret = pm_runtime_set_active(dev);
if (ret)
goto err_iio_unregister;
- pm_runtime_enable(&client->dev);
- pm_runtime_set_autosuspend_delay(&client->dev,
+ pm_runtime_enable(dev);
+ pm_runtime_set_autosuspend_delay(dev,
BMG160_AUTO_SUSPEND_DELAY_MS);
- pm_runtime_use_autosuspend(&client->dev);
+ pm_runtime_use_autosuspend(dev);
return 0;
@@ -1150,15 +1106,16 @@ err_trigger_unregister:
return ret;
}
+EXPORT_SYMBOL_GPL(bmg160_core_probe);
-static int bmg160_remove(struct i2c_client *client)
+void bmg160_core_remove(struct device *dev)
{
- struct iio_dev *indio_dev = i2c_get_clientdata(client);
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct bmg160_data *data = iio_priv(indio_dev);
- pm_runtime_disable(&client->dev);
- pm_runtime_set_suspended(&client->dev);
- pm_runtime_put_noidle(&client->dev);
+ pm_runtime_disable(dev);
+ pm_runtime_set_suspended(dev);
+ pm_runtime_put_noidle(dev);
iio_device_unregister(indio_dev);
iio_triggered_buffer_cleanup(indio_dev);
@@ -1171,14 +1128,13 @@ static int bmg160_remove(struct i2c_client *client)
mutex_lock(&data->mutex);
bmg160_set_mode(data, BMG160_MODE_DEEP_SUSPEND);
mutex_unlock(&data->mutex);
-
- return 0;
}
+EXPORT_SYMBOL_GPL(bmg160_core_remove);
#ifdef CONFIG_PM_SLEEP
static int bmg160_suspend(struct device *dev)
{
- struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct bmg160_data *data = iio_priv(indio_dev);
mutex_lock(&data->mutex);
@@ -1190,7 +1146,7 @@ static int bmg160_suspend(struct device *dev)
static int bmg160_resume(struct device *dev)
{
- struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct bmg160_data *data = iio_priv(indio_dev);
mutex_lock(&data->mutex);
@@ -1206,13 +1162,13 @@ static int bmg160_resume(struct device *dev)
#ifdef CONFIG_PM
static int bmg160_runtime_suspend(struct device *dev)
{
- struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct bmg160_data *data = iio_priv(indio_dev);
int ret;
ret = bmg160_set_mode(data, BMG160_MODE_SUSPEND);
if (ret < 0) {
- dev_err(&data->client->dev, "set mode failed\n");
+ dev_err(data->dev, "set mode failed\n");
return -EAGAIN;
}
@@ -1221,7 +1177,7 @@ static int bmg160_runtime_suspend(struct device *dev)
static int bmg160_runtime_resume(struct device *dev)
{
- struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct bmg160_data *data = iio_priv(indio_dev);
int ret;
@@ -1235,39 +1191,12 @@ static int bmg160_runtime_resume(struct device *dev)
}
#endif
-static const struct dev_pm_ops bmg160_pm_ops = {
+const struct dev_pm_ops bmg160_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(bmg160_suspend, bmg160_resume)
SET_RUNTIME_PM_OPS(bmg160_runtime_suspend,
bmg160_runtime_resume, NULL)
};
-
-static const struct acpi_device_id bmg160_acpi_match[] = {
- {"BMG0160", 0},
- {"BMI055B", 0},
- {},
-};
-
-MODULE_DEVICE_TABLE(acpi, bmg160_acpi_match);
-
-static const struct i2c_device_id bmg160_id[] = {
- {"bmg160", 0},
- {"bmi055_gyro", 0},
- {}
-};
-
-MODULE_DEVICE_TABLE(i2c, bmg160_id);
-
-static struct i2c_driver bmg160_driver = {
- .driver = {
- .name = BMG160_DRV_NAME,
- .acpi_match_table = ACPI_PTR(bmg160_acpi_match),
- .pm = &bmg160_pm_ops,
- },
- .probe = bmg160_probe,
- .remove = bmg160_remove,
- .id_table = bmg160_id,
-};
-module_i2c_driver(bmg160_driver);
+EXPORT_SYMBOL_GPL(bmg160_pm_ops);
MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/gyro/bmg160_i2c.c b/drivers/iio/gyro/bmg160_i2c.c
new file mode 100644
index 000000000..90126a5a7
--- /dev/null
+++ b/drivers/iio/gyro/bmg160_i2c.c
@@ -0,0 +1,71 @@
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/iio/iio.h>
+#include <linux/module.h>
+#include <linux/acpi.h>
+
+#include "bmg160.h"
+
+static const struct regmap_config bmg160_regmap_i2c_conf = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0x3f
+};
+
+static int bmg160_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct regmap *regmap;
+ const char *name = NULL;
+
+ regmap = devm_regmap_init_i2c(client, &bmg160_regmap_i2c_conf);
+ if (IS_ERR(regmap)) {
+ dev_err(&client->dev, "Failed to register i2c regmap %d\n",
+ (int)PTR_ERR(regmap));
+ return PTR_ERR(regmap);
+ }
+
+ if (id)
+ name = id->name;
+
+ return bmg160_core_probe(&client->dev, regmap, client->irq, name);
+}
+
+static int bmg160_i2c_remove(struct i2c_client *client)
+{
+ bmg160_core_remove(&client->dev);
+
+ return 0;
+}
+
+static const struct acpi_device_id bmg160_acpi_match[] = {
+ {"BMG0160", 0},
+ {"BMI055B", 0},
+ {},
+};
+
+MODULE_DEVICE_TABLE(acpi, bmg160_acpi_match);
+
+static const struct i2c_device_id bmg160_i2c_id[] = {
+ {"bmg160", 0},
+ {"bmi055_gyro", 0},
+ {}
+};
+
+MODULE_DEVICE_TABLE(i2c, bmg160_i2c_id);
+
+static struct i2c_driver bmg160_i2c_driver = {
+ .driver = {
+ .name = "bmg160_i2c",
+ .acpi_match_table = ACPI_PTR(bmg160_acpi_match),
+ .pm = &bmg160_pm_ops,
+ },
+ .probe = bmg160_i2c_probe,
+ .remove = bmg160_i2c_remove,
+ .id_table = bmg160_i2c_id,
+};
+module_i2c_driver(bmg160_i2c_driver);
+
+MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("BMG160 I2C Gyro driver");
diff --git a/drivers/iio/gyro/bmg160_spi.c b/drivers/iio/gyro/bmg160_spi.c
new file mode 100644
index 000000000..021ea5fe6
--- /dev/null
+++ b/drivers/iio/gyro/bmg160_spi.c
@@ -0,0 +1,57 @@
+#include <linux/spi/spi.h>
+#include <linux/regmap.h>
+#include <linux/iio/iio.h>
+#include <linux/module.h>
+
+#include "bmg160.h"
+
+static const struct regmap_config bmg160_regmap_spi_conf = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0x3f,
+};
+
+static int bmg160_spi_probe(struct spi_device *spi)
+{
+ struct regmap *regmap;
+ const struct spi_device_id *id = spi_get_device_id(spi);
+
+ regmap = devm_regmap_init_spi(spi, &bmg160_regmap_spi_conf);
+ if (IS_ERR(regmap)) {
+ dev_err(&spi->dev, "Failed to register spi regmap %d\n",
+ (int)PTR_ERR(regmap));
+ return PTR_ERR(regmap);
+ }
+
+ return bmg160_core_probe(&spi->dev, regmap, spi->irq, id->name);
+}
+
+static int bmg160_spi_remove(struct spi_device *spi)
+{
+ bmg160_core_remove(&spi->dev);
+
+ return 0;
+}
+
+static const struct spi_device_id bmg160_spi_id[] = {
+ {"bmg160", 0},
+ {"bmi055_gyro", 0},
+ {}
+};
+
+MODULE_DEVICE_TABLE(spi, bmg160_spi_id);
+
+static struct spi_driver bmg160_spi_driver = {
+ .driver = {
+ .name = "bmg160_spi",
+ .pm = &bmg160_pm_ops,
+ },
+ .probe = bmg160_spi_probe,
+ .remove = bmg160_spi_remove,
+ .id_table = bmg160_spi_id,
+};
+module_spi_driver(bmg160_spi_driver);
+
+MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("BMG160 SPI Gyro driver");
diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c
index 4b993a5bc..02eddcebe 100644
--- a/drivers/iio/gyro/st_gyro_core.c
+++ b/drivers/iio/gyro/st_gyro_core.c
@@ -383,6 +383,7 @@ static const struct iio_info gyro_info = {
.attrs = &st_gyro_attribute_group,
.read_raw = &st_gyro_read_raw,
.write_raw = &st_gyro_write_raw,
+ .debugfs_reg_access = &st_sensors_debugfs_reg_access,
};
#ifdef CONFIG_IIO_TRIGGER
diff --git a/drivers/iio/gyro/st_gyro_spi.c b/drivers/iio/gyro/st_gyro_spi.c
index e59bead6b..d2b7a5fa3 100644
--- a/drivers/iio/gyro/st_gyro_spi.c
+++ b/drivers/iio/gyro/st_gyro_spi.c
@@ -60,7 +60,6 @@ MODULE_DEVICE_TABLE(spi, st_gyro_id_table);
static struct spi_driver st_gyro_driver = {
.driver = {
- .owner = THIS_MODULE,
.name = "st-gyro-spi",
},
.probe = st_gyro_spi_probe,