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author | Michael Hennerich <michael.hennerich@analog.com> | 2011-04-27 15:22:36 (GMT) |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-05-03 18:40:01 (GMT) |
commit | bd5a793fec23c1ee7f98b9b68001dcee0089ab35 (patch) | |
tree | ae3a27dfefd1c3a13b19deb00f2d29611cd7f758 /drivers/staging/iio/dds | |
parent | ba1c2bb2cc29eada78a6d35488291892431918e5 (diff) | |
download | linux-fsl-qoriq-bd5a793fec23c1ee7f98b9b68001dcee0089ab35.tar.xz |
IIO: DDS: AD9834: Add support for AD9837 and AD9838 DDS devices
Add support for AD9837 and AD9838 DDS devices
Update copyright and license notice
Fix typo
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/iio/dds')
-rw-r--r-- | drivers/staging/iio/dds/Kconfig | 4 | ||||
-rw-r--r-- | drivers/staging/iio/dds/ad9834.c | 31 | ||||
-rw-r--r-- | drivers/staging/iio/dds/ad9834.h | 8 |
3 files changed, 23 insertions, 20 deletions
diff --git a/drivers/staging/iio/dds/Kconfig b/drivers/staging/iio/dds/Kconfig index 06b6f3a..e07431d 100644 --- a/drivers/staging/iio/dds/Kconfig +++ b/drivers/staging/iio/dds/Kconfig @@ -21,11 +21,11 @@ config AD9832 module will be called ad9832. config AD9834 - tristate "Analog Devices ad9833/4/ driver" + tristate "Analog Devices AD9833/4/7/8 driver" depends on SPI help Say yes here to build support for Analog Devices DDS chip - AD9833 and AD9834, provides direct access via sysfs. + AD9833, AD9834, AD9837 and AD9838, provides direct access via sysfs. To compile this driver as a module, choose M here: the module will be called ad9834. diff --git a/drivers/staging/iio/dds/ad9834.c b/drivers/staging/iio/dds/ad9834.c index da5e302..6dbc458 100644 --- a/drivers/staging/iio/dds/ad9834.c +++ b/drivers/staging/iio/dds/ad9834.c @@ -1,9 +1,9 @@ /* - * AD9834 SPI DAC driver + * AD9833/AD9834/AD9837/AD9838 SPI DDS driver * - * Copyright 2010 Analog Devices Inc. + * Copyright 2010-2011 Analog Devices Inc. * - * Licensed under the GPL-2 or later. + * Licensed under the GPL-2. */ #include <linux/interrupt.h> @@ -47,7 +47,7 @@ static int ad9834_write_frequency(struct ad9834_state *st, (AD9834_FREQ_BITS / 2)) & RES_MASK(AD9834_FREQ_BITS / 2))); - return spi_sync(st->spi, &st->freq_msg);; + return spi_sync(st->spi, &st->freq_msg); } static int ad9834_write_phase(struct ad9834_state *st, @@ -148,7 +148,7 @@ static ssize_t ad9834_store_wavetype(struct device *dev, struct ad9834_state *st = dev_info->dev_data; struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); int ret = 0; - bool is_ad9833 = st->devid == ID_AD9833; + bool is_ad9833_7 = (st->devid == ID_AD9833) || (st->devid == ID_AD9837); mutex_lock(&dev_info->mlock); @@ -156,10 +156,10 @@ static ssize_t ad9834_store_wavetype(struct device *dev, case 0: if (sysfs_streq(buf, "sine")) { st->control &= ~AD9834_MODE; - if (is_ad9833) + if (is_ad9833_7) st->control &= ~AD9834_OPBITEN; } else if (sysfs_streq(buf, "triangle")) { - if (is_ad9833) { + if (is_ad9833_7) { st->control &= ~AD9834_OPBITEN; st->control |= AD9834_MODE; } else if (st->control & AD9834_OPBITEN) { @@ -167,7 +167,7 @@ static ssize_t ad9834_store_wavetype(struct device *dev, } else { st->control |= AD9834_MODE; } - } else if (is_ad9833 && sysfs_streq(buf, "square")) { + } else if (is_ad9833_7 && sysfs_streq(buf, "square")) { st->control &= ~AD9834_MODE; st->control |= AD9834_OPBITEN; } else { @@ -217,7 +217,7 @@ static ssize_t ad9834_show_out0_wavetype_available(struct device *dev, struct ad9834_state *st = iio_dev_get_devdata(dev_info); char *str; - if (st->devid == ID_AD9833) + if ((st->devid == ID_AD9833) || (st->devid == ID_AD9837)) str = "sine triangle square"; else if (st->control & AD9834_OPBITEN) str = "sine"; @@ -301,13 +301,12 @@ static mode_t ad9834_attr_is_visible(struct kobject *kobj, mode_t mode = attr->mode; - if (st->devid == ID_AD9834) - return mode; - - if ((attr == &iio_dev_attr_dds0_out1_enable.dev_attr.attr) || + if (((st->devid == ID_AD9833) || (st->devid == ID_AD9837)) && + ((attr == &iio_dev_attr_dds0_out1_enable.dev_attr.attr) || (attr == &iio_dev_attr_dds0_out1_wavetype.dev_attr.attr) || (attr == - &iio_dev_attr_dds0_out1_wavetype_available.dev_attr.attr)) + &iio_dev_attr_dds0_out1_wavetype_available.dev_attr.attr) || + (attr == &iio_dev_attr_dds0_pincontrol_en.dev_attr.attr))) mode = 0; return mode; @@ -445,6 +444,8 @@ static int __devexit ad9834_remove(struct spi_device *spi) static const struct spi_device_id ad9834_id[] = { {"ad9833", ID_AD9833}, {"ad9834", ID_AD9834}, + {"ad9837", ID_AD9837}, + {"ad9838", ID_AD9838}, {} }; @@ -472,6 +473,6 @@ static void __exit ad9834_exit(void) module_exit(ad9834_exit); MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); -MODULE_DESCRIPTION("Analog Devices AD9833/AD9834 DDS"); +MODULE_DESCRIPTION("Analog Devices AD9833/AD9834/AD9837/AD9838 DDS"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("spi:ad9834"); diff --git a/drivers/staging/iio/dds/ad9834.h b/drivers/staging/iio/dds/ad9834.h index 0fc3b88..2abd635 100644 --- a/drivers/staging/iio/dds/ad9834.h +++ b/drivers/staging/iio/dds/ad9834.h @@ -1,9 +1,9 @@ /* - * AD9834 SPI DDS driver + * AD9833/AD9834/AD9837/AD9838 SPI DDS driver * - * Copyright 2010 Analog Devices Inc. + * Copyright 2010-2011 Analog Devices Inc. * - * Licensed under the GPL-2 or later. + * Licensed under the GPL-2. */ #ifndef IIO_DDS_AD9834_H_ #define IIO_DDS_AD9834_H_ @@ -107,6 +107,8 @@ struct ad9834_platform_data { enum ad9834_supported_device_ids { ID_AD9833, ID_AD9834, + ID_AD9837, + ID_AD9838, }; #endif /* IIO_DDS_AD9834_H_ */ |