diff options
Diffstat (limited to 'drivers/iio/gyro')
| -rw-r--r-- | drivers/iio/gyro/Kconfig | 19 | ||||
| -rw-r--r-- | drivers/iio/gyro/Makefile | 4 | ||||
| -rw-r--r-- | drivers/iio/gyro/bmg160.h | 10 | ||||
| -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.c | 71 | ||||
| -rw-r--r-- | drivers/iio/gyro/bmg160_spi.c | 57 | ||||
| -rw-r--r-- | drivers/iio/gyro/st_gyro_core.c | 1 |
7 files changed, 302 insertions, 221 deletions
diff --git a/drivers/iio/gyro/Kconfig b/drivers/iio/gyro/Kconfig index 8d2439345673..e816d29d6a62 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 f46341b39139..f866a4be0667 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/bmg160.h b/drivers/iio/gyro/bmg160.h new file mode 100644 index 000000000000..72db723c8fb6 --- /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 460bf715d541..02ff789852a0 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 000000000000..90126a5a7663 --- /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 000000000000..021ea5fe6a37 --- /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 4b993a5bc9a1..02eddcebeea3 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 |