| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Denis Ciocca | 1432 | 66.42% | 11 | 27.50% |
| Linus Walleij | 319 | 14.80% | 7 | 17.50% |
| Robert Dolca | 121 | 5.61% | 1 | 2.50% |
| Lorenzo Bianconi | 116 | 5.38% | 4 | 10.00% |
| Andy Shevchenko | 61 | 2.83% | 4 | 10.00% |
| Jonathan Cameron | 57 | 2.64% | 4 | 10.00% |
| Giuseppe Barba | 20 | 0.93% | 1 | 2.50% |
| Alexandru Ardelean | 18 | 0.83% | 3 | 7.50% |
| Miquel Raynal | 5 | 0.23% | 2 | 5.00% |
| Lee Jones | 3 | 0.14% | 1 | 2.50% |
| Grégor Boirie | 2 | 0.09% | 1 | 2.50% |
| Thomas Gleixner | 2 | 0.09% | 1 | 2.50% |
| Total | 2156 | 40 |
// SPDX-License-Identifier: GPL-2.0-only /* * STMicroelectronics gyroscopes driver * * Copyright 2012-2013 STMicroelectronics Inc. * * Denis Ciocca <denis.ciocca@st.com> */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/interrupt.h> #include <linux/sysfs.h> #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> #include <linux/iio/trigger.h> #include <linux/iio/common/st_sensors.h> #include "st_gyro.h" #define ST_GYRO_NUMBER_DATA_CHANNELS 3 /* DEFAULT VALUE FOR SENSORS */ #define ST_GYRO_DEFAULT_OUT_X_L_ADDR 0x28 #define ST_GYRO_DEFAULT_OUT_Y_L_ADDR 0x2a #define ST_GYRO_DEFAULT_OUT_Z_L_ADDR 0x2c /* FULLSCALE */ #define ST_GYRO_FS_AVL_245DPS 245 #define ST_GYRO_FS_AVL_250DPS 250 #define ST_GYRO_FS_AVL_500DPS 500 #define ST_GYRO_FS_AVL_2000DPS 2000 static const struct iio_mount_matrix * st_gyro_get_mount_matrix(const struct iio_dev *indio_dev, const struct iio_chan_spec *chan) { struct st_sensor_data *gdata = iio_priv(indio_dev); return &gdata->mount_matrix; } static const struct iio_chan_spec_ext_info st_gyro_mount_matrix_ext_info[] = { IIO_MOUNT_MATRIX(IIO_SHARED_BY_ALL, st_gyro_get_mount_matrix), { } }; static const struct iio_chan_spec st_gyro_16bit_channels[] = { ST_SENSORS_LSM_CHANNELS_EXT(IIO_ANGL_VEL, BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), ST_SENSORS_SCAN_X, 1, IIO_MOD_X, 's', IIO_LE, 16, 16, ST_GYRO_DEFAULT_OUT_X_L_ADDR, st_gyro_mount_matrix_ext_info), ST_SENSORS_LSM_CHANNELS_EXT(IIO_ANGL_VEL, BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), ST_SENSORS_SCAN_Y, 1, IIO_MOD_Y, 's', IIO_LE, 16, 16, ST_GYRO_DEFAULT_OUT_Y_L_ADDR, st_gyro_mount_matrix_ext_info), ST_SENSORS_LSM_CHANNELS_EXT(IIO_ANGL_VEL, BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), ST_SENSORS_SCAN_Z, 1, IIO_MOD_Z, 's', IIO_LE, 16, 16, ST_GYRO_DEFAULT_OUT_Z_L_ADDR, st_gyro_mount_matrix_ext_info), IIO_CHAN_SOFT_TIMESTAMP(3) }; static const struct st_sensor_settings st_gyro_sensors_settings[] = { { .wai = 0xd3, .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS, .sensors_supported = { [0] = L3G4200D_GYRO_DEV_NAME, [1] = LSM330DL_GYRO_DEV_NAME, }, .ch = (struct iio_chan_spec *)st_gyro_16bit_channels, .odr = { .addr = 0x20, .mask = 0xc0, .odr_avl = { { .hz = 100, .value = 0x00, }, { .hz = 200, .value = 0x01, }, { .hz = 400, .value = 0x02, }, { .hz = 800, .value = 0x03, }, }, }, .pw = { .addr = 0x20, .mask = 0x08, .value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE, .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE, }, .enable_axis = { .addr = ST_SENSORS_DEFAULT_AXIS_ADDR, .mask = ST_SENSORS_DEFAULT_AXIS_MASK, }, .fs = { .addr = 0x23, .mask = 0x30, .fs_avl = { [0] = { .num = ST_GYRO_FS_AVL_250DPS, .value = 0x00, .gain = IIO_DEGREE_TO_RAD(8750), }, [1] = { .num = ST_GYRO_FS_AVL_500DPS, .value = 0x01, .gain = IIO_DEGREE_TO_RAD(17500), }, [2] = { .num = ST_GYRO_FS_AVL_2000DPS, .value = 0x02, .gain = IIO_DEGREE_TO_RAD(70000), }, }, }, .bdu = { .addr = 0x23, .mask = 0x80, }, .drdy_irq = { .int2 = { .addr = 0x22, .mask = 0x08, }, /* * The sensor has IHL (active low) and open * drain settings, but only for INT1 and not * for the DRDY line on INT2. */ .stat_drdy = { .addr = ST_SENSORS_DEFAULT_STAT_ADDR, .mask = 0x07, }, }, .sim = { .addr = 0x23, .value = BIT(0), }, .multi_read_bit = true, .bootime = 2, }, { .wai = 0xd4, .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS, .sensors_supported = { [0] = L3GD20_GYRO_DEV_NAME, [1] = LSM330D_GYRO_DEV_NAME, [2] = LSM330DLC_GYRO_DEV_NAME, [3] = L3G4IS_GYRO_DEV_NAME, [4] = LSM330_GYRO_DEV_NAME, }, .ch = (struct iio_chan_spec *)st_gyro_16bit_channels, .odr = { .addr = 0x20, .mask = 0xc0, .odr_avl = { { .hz = 95, .value = 0x00, }, { .hz = 190, .value = 0x01, }, { .hz = 380, .value = 0x02, }, { .hz = 760, .value = 0x03, }, }, }, .pw = { .addr = 0x20, .mask = 0x08, .value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE, .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE, }, .enable_axis = { .addr = ST_SENSORS_DEFAULT_AXIS_ADDR, .mask = ST_SENSORS_DEFAULT_AXIS_MASK, }, .fs = { .addr = 0x23, .mask = 0x30, .fs_avl = { [0] = { .num = ST_GYRO_FS_AVL_250DPS, .value = 0x00, .gain = IIO_DEGREE_TO_RAD(8750), }, [1] = { .num = ST_GYRO_FS_AVL_500DPS, .value = 0x01, .gain = IIO_DEGREE_TO_RAD(17500), }, [2] = { .num = ST_GYRO_FS_AVL_2000DPS, .value = 0x02, .gain = IIO_DEGREE_TO_RAD(70000), }, }, }, .bdu = { .addr = 0x23, .mask = 0x80, }, .drdy_irq = { .int2 = { .addr = 0x22, .mask = 0x08, }, /* * The sensor has IHL (active low) and open * drain settings, but only for INT1 and not * for the DRDY line on INT2. */ .stat_drdy = { .addr = ST_SENSORS_DEFAULT_STAT_ADDR, .mask = 0x07, }, }, .sim = { .addr = 0x23, .value = BIT(0), }, .multi_read_bit = true, .bootime = 2, }, { .wai = 0xd4, .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS, .sensors_supported = { [0] = LSM9DS0_GYRO_DEV_NAME, }, .ch = (struct iio_chan_spec *)st_gyro_16bit_channels, .odr = { .addr = 0x20, .mask = GENMASK(7, 6), .odr_avl = { { .hz = 95, .value = 0x00, }, { .hz = 190, .value = 0x01, }, { .hz = 380, .value = 0x02, }, { .hz = 760, .value = 0x03, }, }, }, .pw = { .addr = 0x20, .mask = BIT(3), .value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE, .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE, }, .enable_axis = { .addr = ST_SENSORS_DEFAULT_AXIS_ADDR, .mask = ST_SENSORS_DEFAULT_AXIS_MASK, }, .fs = { .addr = 0x23, .mask = GENMASK(5, 4), .fs_avl = { [0] = { .num = ST_GYRO_FS_AVL_245DPS, .value = 0x00, .gain = IIO_DEGREE_TO_RAD(8750), }, [1] = { .num = ST_GYRO_FS_AVL_500DPS, .value = 0x01, .gain = IIO_DEGREE_TO_RAD(17500), }, [2] = { .num = ST_GYRO_FS_AVL_2000DPS, .value = 0x02, .gain = IIO_DEGREE_TO_RAD(70000), }, }, }, .bdu = { .addr = 0x23, .mask = BIT(7), }, .drdy_irq = { .int2 = { .addr = 0x22, .mask = BIT(3), }, /* * The sensor has IHL (active low) and open * drain settings, but only for INT1 and not * for the DRDY line on INT2. */ .stat_drdy = { .addr = ST_SENSORS_DEFAULT_STAT_ADDR, .mask = GENMASK(2, 0), }, }, .sim = { .addr = 0x23, .value = BIT(0), }, .multi_read_bit = true, .bootime = 2, }, { .wai = 0xd7, .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS, .sensors_supported = { [0] = L3GD20H_GYRO_DEV_NAME, }, .ch = (struct iio_chan_spec *)st_gyro_16bit_channels, .odr = { .addr = 0x20, .mask = 0xc0, .odr_avl = { { .hz = 100, .value = 0x00, }, { .hz = 200, .value = 0x01, }, { .hz = 400, .value = 0x02, }, { .hz = 800, .value = 0x03, }, }, }, .pw = { .addr = 0x20, .mask = 0x08, .value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE, .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE, }, .enable_axis = { .addr = ST_SENSORS_DEFAULT_AXIS_ADDR, .mask = ST_SENSORS_DEFAULT_AXIS_MASK, }, .fs = { .addr = 0x23, .mask = 0x30, .fs_avl = { [0] = { .num = ST_GYRO_FS_AVL_245DPS, .value = 0x00, .gain = IIO_DEGREE_TO_RAD(8750), }, [1] = { .num = ST_GYRO_FS_AVL_500DPS, .value = 0x01, .gain = IIO_DEGREE_TO_RAD(17500), }, [2] = { .num = ST_GYRO_FS_AVL_2000DPS, .value = 0x02, .gain = IIO_DEGREE_TO_RAD(70000), }, }, }, .bdu = { .addr = 0x23, .mask = 0x80, }, .drdy_irq = { .int2 = { .addr = 0x22, .mask = 0x08, }, /* * The sensor has IHL (active low) and open * drain settings, but only for INT1 and not * for the DRDY line on INT2. */ .stat_drdy = { .addr = ST_SENSORS_DEFAULT_STAT_ADDR, .mask = 0x07, }, }, .sim = { .addr = 0x23, .value = BIT(0), }, .multi_read_bit = true, .bootime = 2, }, }; /* DRDY on gyros is available only on INT2 pin */ static const struct st_sensors_platform_data gyro_pdata = { .drdy_int_pin = 2, }; static int st_gyro_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *ch, int *val, int *val2, long mask) { int err; struct st_sensor_data *gdata = iio_priv(indio_dev); switch (mask) { case IIO_CHAN_INFO_RAW: err = st_sensors_read_info_raw(indio_dev, ch, val); if (err < 0) goto read_error; return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: *val = 0; *val2 = gdata->current_fullscale->gain; return IIO_VAL_INT_PLUS_MICRO; case IIO_CHAN_INFO_SAMP_FREQ: *val = gdata->odr; return IIO_VAL_INT; default: return -EINVAL; } read_error: return err; } static int st_gyro_write_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int val, int val2, long mask) { switch (mask) { case IIO_CHAN_INFO_SCALE: return st_sensors_set_fullscale_by_gain(indio_dev, val2); case IIO_CHAN_INFO_SAMP_FREQ: if (val2) return -EINVAL; return st_sensors_set_odr(indio_dev, val); default: return -EINVAL; } } static ST_SENSORS_DEV_ATTR_SAMP_FREQ_AVAIL(); static ST_SENSORS_DEV_ATTR_SCALE_AVAIL(in_anglvel_scale_available); static struct attribute *st_gyro_attributes[] = { &iio_dev_attr_sampling_frequency_available.dev_attr.attr, &iio_dev_attr_in_anglvel_scale_available.dev_attr.attr, NULL, }; static const struct attribute_group st_gyro_attribute_group = { .attrs = st_gyro_attributes, }; 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 static const struct iio_trigger_ops st_gyro_trigger_ops = { .set_trigger_state = ST_GYRO_TRIGGER_SET_STATE, .validate_device = st_sensors_validate_device, }; #define ST_GYRO_TRIGGER_OPS (&st_gyro_trigger_ops) #else #define ST_GYRO_TRIGGER_OPS NULL #endif /* * st_gyro_get_settings() - get sensor settings from device name * @name: device name buffer reference. * * Return: valid reference on success, NULL otherwise. */ const struct st_sensor_settings *st_gyro_get_settings(const char *name) { int index = st_sensors_get_settings_index(name, st_gyro_sensors_settings, ARRAY_SIZE(st_gyro_sensors_settings)); if (index < 0) return NULL; return &st_gyro_sensors_settings[index]; } EXPORT_SYMBOL_NS(st_gyro_get_settings, IIO_ST_SENSORS); int st_gyro_common_probe(struct iio_dev *indio_dev) { struct st_sensor_data *gdata = iio_priv(indio_dev); struct st_sensors_platform_data *pdata; struct device *parent = indio_dev->dev.parent; int err; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->info = &gyro_info; err = st_sensors_verify_id(indio_dev); if (err < 0) return err; gdata->num_data_channels = ST_GYRO_NUMBER_DATA_CHANNELS; indio_dev->channels = gdata->sensor_settings->ch; indio_dev->num_channels = ST_SENSORS_NUMBER_ALL_CHANNELS; err = iio_read_mount_matrix(parent, &gdata->mount_matrix); if (err) return err; gdata->current_fullscale = &gdata->sensor_settings->fs.fs_avl[0]; gdata->odr = gdata->sensor_settings->odr.odr_avl[0].hz; pdata = (struct st_sensors_platform_data *)&gyro_pdata; err = st_sensors_init_sensor(indio_dev, pdata); if (err < 0) return err; err = st_gyro_allocate_ring(indio_dev); if (err < 0) return err; if (gdata->irq > 0) { err = st_sensors_allocate_trigger(indio_dev, ST_GYRO_TRIGGER_OPS); if (err < 0) return err; } return devm_iio_device_register(parent, indio_dev); } EXPORT_SYMBOL_NS(st_gyro_common_probe, IIO_ST_SENSORS); MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); MODULE_DESCRIPTION("STMicroelectronics gyroscopes driver"); MODULE_LICENSE("GPL v2"); MODULE_IMPORT_NS(IIO_ST_SENSORS);
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