diff options
Diffstat (limited to 'drivers/staging/iio/gyro/adxrs450_core.c')
| -rw-r--r-- | drivers/staging/iio/gyro/adxrs450_core.c | 88 |
1 files changed, 68 insertions, 20 deletions
diff --git a/drivers/staging/iio/gyro/adxrs450_core.c b/drivers/staging/iio/gyro/adxrs450_core.c index 70fd468b6850..15e2496f70c8 100644 --- a/drivers/staging/iio/gyro/adxrs450_core.c +++ b/drivers/staging/iio/gyro/adxrs450_core.c @@ -1,5 +1,5 @@ /* - * ADXRS450 Digital Output Gyroscope Driver + * ADXRS450/ADXRS453 Digital Output Gyroscope Driver * * Copyright 2011 Analog Devices Inc. * @@ -243,7 +243,7 @@ static int adxrs450_write_raw(struct iio_dev *indio_dev, { int ret; switch (mask) { - case (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE): + case IIO_CHAN_INFO_CALIBBIAS: ret = adxrs450_spi_write_reg_16(indio_dev, ADXRS450_DNC1, val & 0x3FF); @@ -263,7 +263,7 @@ static int adxrs450_read_raw(struct iio_dev *indio_dev, { int ret; s16 t; - u16 ut; + switch (mask) { case 0: switch (chan->type) { @@ -276,10 +276,10 @@ static int adxrs450_read_raw(struct iio_dev *indio_dev, break; case IIO_TEMP: ret = adxrs450_spi_read_reg_16(indio_dev, - ADXRS450_TEMP1, &ut); + ADXRS450_TEMP1, &t); if (ret) break; - *val = ut; + *val = (t >> 6) + 225; ret = IIO_VAL_INT; break; default: @@ -287,13 +287,34 @@ static int adxrs450_read_raw(struct iio_dev *indio_dev, break; } break; - case (1 << IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW_SEPARATE): + case IIO_CHAN_INFO_SCALE: + switch (chan->type) { + case IIO_ANGL_VEL: + *val = 0; + *val2 = 218166; + return IIO_VAL_INT_PLUS_NANO; + case IIO_TEMP: + *val = 200; + *val2 = 0; + return IIO_VAL_INT; + default: + return -EINVAL; + } + break; + case IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW: ret = adxrs450_spi_read_reg_16(indio_dev, ADXRS450_QUAD1, &t); if (ret) break; *val = t; ret = IIO_VAL_INT; break; + case IIO_CHAN_INFO_CALIBBIAS: + ret = adxrs450_spi_read_reg_16(indio_dev, ADXRS450_DNC1, &t); + if (ret) + break; + *val = t; + ret = IIO_VAL_INT; + break; default: ret = -EINVAL; break; @@ -302,18 +323,36 @@ static int adxrs450_read_raw(struct iio_dev *indio_dev, return ret; } -static const struct iio_chan_spec adxrs450_channels[] = { - { - .type = IIO_ANGL_VEL, - .modified = 1, - .channel2 = IIO_MOD_Z, - .info_mask = (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE) | - (1 << IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW_SEPARATE) - }, { - .type = IIO_TEMP, - .indexed = 1, - .channel = 0, - } +static const struct iio_chan_spec adxrs450_channels[2][2] = { + [ID_ADXRS450] = { + { + .type = IIO_ANGL_VEL, + .modified = 1, + .channel2 = IIO_MOD_Z, + .info_mask = IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | + IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + }, { + .type = IIO_TEMP, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + } + }, + [ID_ADXRS453] = { + { + .type = IIO_ANGL_VEL, + .modified = 1, + .channel2 = IIO_MOD_Z, + .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT | + IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW_SEPARATE_BIT, + }, { + .type = IIO_TEMP, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + } + }, }; static const struct iio_info adxrs450_info = { @@ -343,7 +382,8 @@ static int __devinit adxrs450_probe(struct spi_device *spi) indio_dev->dev.parent = &spi->dev; indio_dev->info = &adxrs450_info; indio_dev->modes = INDIO_DIRECT_MODE; - indio_dev->channels = adxrs450_channels; + indio_dev->channels = + adxrs450_channels[spi_get_device_id(spi)->driver_data]; indio_dev->num_channels = ARRAY_SIZE(adxrs450_channels); indio_dev->name = spi->dev.driver->name; @@ -373,6 +413,13 @@ static int adxrs450_remove(struct spi_device *spi) return 0; } +static const struct spi_device_id adxrs450_id[] = { + {"adxrs450", ID_ADXRS450}, + {"adxrs453", ID_ADXRS453}, + {} +}; +MODULE_DEVICE_TABLE(spi, adxrs450_id); + static struct spi_driver adxrs450_driver = { .driver = { .name = "adxrs450", @@ -380,9 +427,10 @@ static struct spi_driver adxrs450_driver = { }, .probe = adxrs450_probe, .remove = __devexit_p(adxrs450_remove), + .id_table = adxrs450_id, }; module_spi_driver(adxrs450_driver); MODULE_AUTHOR("Cliff Cai <cliff.cai@xxxxxxxxxx>"); -MODULE_DESCRIPTION("Analog Devices ADXRS450 Gyroscope SPI driver"); +MODULE_DESCRIPTION("Analog Devices ADXRS450/ADXRS453 Gyroscope SPI driver"); MODULE_LICENSE("GPL v2"); |