/*
- * ADIS16260 Programmable Digital Gyroscope Sensor Driver
+ * ADIS16260/ADIS16265 Programmable Digital Gyroscope Sensor Driver
*
* Copyright 2010 Analog Devices Inc.
*
mutex_lock(&st->buf_lock);
st->tx[0] = ADIS16260_READ_REG(lower_reg_address);
st->tx[1] = 0;
- st->tx[2] = 0;
- st->tx[3] = 0;
spi_message_init(&msg);
spi_message_add_tail(&xfers[0], &msg);
return ret ? ret : len;
}
+static ssize_t adis16260_read_gyro_scale(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
+ struct adis16260_state *st = iio_dev_get_devdata(indio_dev);
+ ssize_t ret = 0;
+
+ if (st->negate)
+ ret = sprintf(buf, "-");
+ /* Take the iio_dev status lock */
+ ret += sprintf(buf + ret, "%s\n", "0.00127862821");
+
+ return ret;
+}
+
static int adis16260_reset(struct device *dev)
{
int ret;
ADIS16260_SUPPLY_OUT);
static IIO_CONST_ATTR_IN_NAMED_SCALE(0, supply, "0.0018315");
-static IIO_DEV_ATTR_GYRO(adis16260_read_14bit_signed,
- ADIS16260_GYRO_OUT);
-static IIO_CONST_ATTR_GYRO_SCALE("0.00127862821");
-static IIO_DEV_ATTR_GYRO_CALIBSCALE(S_IWUSR | S_IRUGO,
- adis16260_read_14bit_signed,
- adis16260_write_16bit,
- ADIS16260_GYRO_SCALE);
-static IIO_DEV_ATTR_GYRO_CALIBBIAS(S_IWUSR | S_IRUGO,
- adis16260_read_12bit_signed,
- adis16260_write_16bit,
- ADIS16260_GYRO_OFF);
-
static IIO_DEV_ATTR_TEMP_RAW(adis16260_read_12bit_unsigned);
static IIO_CONST_ATTR_TEMP_OFFSET("25");
static IIO_CONST_ATTR_TEMP_SCALE("0.1453");
static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO,
adis16260_read_frequency,
adis16260_write_frequency);
-static IIO_DEV_ATTR_ANGL(adis16260_read_14bit_signed,
- ADIS16260_ANGL_OUT);
static IIO_DEVICE_ATTR(reset, S_IWUSR, NULL, adis16260_write_reset, 0);
.attrs = adis16260_event_attributes,
};
-static struct attribute *adis16260_attributes[] = {
- &iio_dev_attr_in0_supply_raw.dev_attr.attr,
- &iio_const_attr_in0_supply_scale.dev_attr.attr,
- &iio_dev_attr_gyro_raw.dev_attr.attr,
- &iio_const_attr_gyro_scale.dev_attr.attr,
- &iio_dev_attr_gyro_calibscale.dev_attr.attr,
- &iio_dev_attr_gyro_calibbias.dev_attr.attr,
- &iio_dev_attr_angl_raw.dev_attr.attr,
- &iio_dev_attr_temp_raw.dev_attr.attr,
- &iio_const_attr_temp_offset.dev_attr.attr,
- &iio_const_attr_temp_scale.dev_attr.attr,
- &iio_dev_attr_in1_raw.dev_attr.attr,
- &iio_const_attr_in1_scale.dev_attr.attr,
- &iio_dev_attr_sampling_frequency.dev_attr.attr,
- &iio_const_attr_sampling_frequency_available.dev_attr.attr,
- &iio_dev_attr_reset.dev_attr.attr,
- &iio_const_attr_name.dev_attr.attr,
- NULL
-};
+#define ADIS16260_GYRO_ATTR_SET(axis) \
+ IIO_DEV_ATTR_GYRO##axis(adis16260_read_14bit_signed, \
+ ADIS16260_GYRO_OUT); \
+ static IIO_DEV_ATTR_GYRO##axis##_SCALE(S_IRUGO, \
+ adis16260_read_gyro_scale, \
+ NULL, \
+ 0); \
+ static IIO_DEV_ATTR_GYRO##axis##_CALIBSCALE(S_IRUGO | S_IWUSR, \
+ adis16260_read_12bit_unsigned, \
+ adis16260_write_16bit, \
+ ADIS16260_GYRO_SCALE); \
+ static IIO_DEV_ATTR_GYRO##axis##_CALIBBIAS(S_IWUSR | S_IRUGO, \
+ adis16260_read_12bit_signed, \
+ adis16260_write_16bit, \
+ ADIS16260_GYRO_OFF); \
+ static IIO_DEV_ATTR_ANGL##axis(adis16260_read_14bit_signed, \
+ ADIS16260_ANGL_OUT);
+
+static ADIS16260_GYRO_ATTR_SET();
+static ADIS16260_GYRO_ATTR_SET(_X);
+static ADIS16260_GYRO_ATTR_SET(_Y);
+static ADIS16260_GYRO_ATTR_SET(_Z);
+
+#define ADIS16260_ATTR_GROUP(axis) \
+ struct attribute *adis16260_attributes##axis[] = { \
+ &iio_dev_attr_in0_supply_raw.dev_attr.attr, \
+ &iio_const_attr_in0_supply_scale.dev_attr.attr, \
+ &iio_dev_attr_gyro##axis##_raw.dev_attr.attr, \
+ &iio_dev_attr_gyro##axis##_scale.dev_attr.attr, \
+ &iio_dev_attr_gyro##axis##_calibscale.dev_attr.attr, \
+ &iio_dev_attr_gyro##axis##_calibbias.dev_attr.attr, \
+ &iio_dev_attr_angl##axis##_raw.dev_attr.attr, \
+ &iio_dev_attr_temp_raw.dev_attr.attr, \
+ &iio_const_attr_temp_offset.dev_attr.attr, \
+ &iio_const_attr_temp_scale.dev_attr.attr, \
+ &iio_dev_attr_in1_raw.dev_attr.attr, \
+ &iio_const_attr_in1_scale.dev_attr.attr, \
+ &iio_dev_attr_sampling_frequency.dev_attr.attr, \
+ &iio_const_attr_sampling_frequency_available.dev_attr.attr, \
+ &iio_dev_attr_reset.dev_attr.attr, \
+ &iio_const_attr_name.dev_attr.attr, \
+ NULL \
+ }; \
+ static const struct attribute_group adis16260_attribute_group##axis \
+ = { \
+ .attrs = adis16260_attributes##axis, \
+ };
-static const struct attribute_group adis16260_attribute_group = {
- .attrs = adis16260_attributes,
-};
+static ADIS16260_ATTR_GROUP();
+static ADIS16260_ATTR_GROUP(_x);
+static ADIS16260_ATTR_GROUP(_y);
+static ADIS16260_ATTR_GROUP(_z);
static int __devinit adis16260_probe(struct spi_device *spi)
{
int ret, regdone = 0;
+ struct adis16260_platform_data *pd = spi->dev.platform_data;
struct adis16260_state *st = kzalloc(sizeof *st, GFP_KERNEL);
if (!st) {
ret = -ENOMEM;
goto error_ret;
}
+ if (pd)
+ st->negate = pd->negate;
/* this is only used for removal purposes */
spi_set_drvdata(spi, st);
st->indio_dev->dev.parent = &spi->dev;
st->indio_dev->num_interrupt_lines = 1;
st->indio_dev->event_attrs = &adis16260_event_attribute_group;
- st->indio_dev->attrs = &adis16260_attribute_group;
+ if (pd && pd->direction)
+ switch (pd->direction) {
+ case 'x':
+ st->indio_dev->attrs = &adis16260_attribute_group_x;
+ break;
+ case 'y':
+ st->indio_dev->attrs = &adis16260_attribute_group_y;
+ break;
+ case 'z':
+ st->indio_dev->attrs = &adis16260_attribute_group_z;
+ break;
+ default:
+ st->indio_dev->attrs = &adis16260_attribute_group;
+ break;
+ }
+ else
+ st->indio_dev->attrs = &adis16260_attribute_group;
+
st->indio_dev->dev_data = (void *)(st);
st->indio_dev->driver_module = THIS_MODULE;
st->indio_dev->modes = INDIO_DIRECT_MODE;
return ret;
}
+/*
+ * These parts do not need to be differentiated until someone adds
+ * support for the on chip filtering.
+ */
+static const struct spi_device_id adis16260_id[] = {
+ {"adis16260", 0},
+ {"adis16265", 0},
+ {"adis16250", 0},
+ {"adis16255", 0},
+ {}
+};
+
static struct spi_driver adis16260_driver = {
.driver = {
.name = "adis16260",
},
.probe = adis16260_probe,
.remove = __devexit_p(adis16260_remove),
+ .id_table = adis16260_id,
};
static __init int adis16260_init(void)
projects / mv-sheeva.git / blobdiff