diff options
Diffstat (limited to 'drivers/staging/iio/dds')
| -rw-r--r-- | drivers/staging/iio/dds/Kconfig | 61 | ||||
| -rw-r--r-- | drivers/staging/iio/dds/Makefile | 11 | ||||
| -rw-r--r-- | drivers/staging/iio/dds/ad5930.c | 151 | ||||
| -rw-r--r-- | drivers/staging/iio/dds/ad9832.c | 362 | ||||
| -rw-r--r-- | drivers/staging/iio/dds/ad9832.h | 126 | ||||
| -rw-r--r-- | drivers/staging/iio/dds/ad9834.c | 464 | ||||
| -rw-r--r-- | drivers/staging/iio/dds/ad9834.h | 112 | ||||
| -rw-r--r-- | drivers/staging/iio/dds/ad9850.c | 137 | ||||
| -rw-r--r-- | drivers/staging/iio/dds/ad9852.c | 288 | ||||
| -rw-r--r-- | drivers/staging/iio/dds/ad9910.c | 421 | ||||
| -rw-r--r-- | drivers/staging/iio/dds/ad9951.c | 232 | ||||
| -rw-r--r-- | drivers/staging/iio/dds/dds.h | 110 |
12 files changed, 0 insertions, 2475 deletions
diff --git a/drivers/staging/iio/dds/Kconfig b/drivers/staging/iio/dds/Kconfig deleted file mode 100644 index 93b7141b2c1f..000000000000 --- a/drivers/staging/iio/dds/Kconfig +++ /dev/null @@ -1,61 +0,0 @@ -# -# Direct Digital Synthesis drivers -# -menu "Direct Digital Synthesis" - -config AD5930 - tristate "Analog Devices ad5930/5932 driver" - depends on SPI - help - Say yes here to build support for Analog Devices DDS chip - ad5930/ad5932, provides direct access via sysfs. - -config AD9832 - tristate "Analog Devices ad9832/5 driver" - depends on SPI - help - Say yes here to build support for Analog Devices DDS chip - AD9832 and AD9835, provides direct access via sysfs. - - To compile this driver as a module, choose M here: the - module will be called ad9832. - -config AD9834 - tristate "Analog Devices AD9833/4/7/8 driver" - depends on SPI - help - Say yes here to build support for Analog Devices DDS chip - 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. - -config AD9850 - tristate "Analog Devices ad9850/1 driver" - depends on SPI - help - Say yes here to build support for Analog Devices DDS chip - ad9850/1, provides direct access via sysfs. - -config AD9852 - tristate "Analog Devices ad9852/4 driver" - depends on SPI - help - Say yes here to build support for Analog Devices DDS chip - ad9852/4, provides direct access via sysfs. - -config AD9910 - tristate "Analog Devices ad9910 driver" - depends on SPI - help - Say yes here to build support for Analog Devices DDS chip - ad9910, provides direct access via sysfs. - -config AD9951 - tristate "Analog Devices ad9951 driver" - depends on SPI - help - Say yes here to build support for Analog Devices DDS chip - ad9951, provides direct access via sysfs. - -endmenu diff --git a/drivers/staging/iio/dds/Makefile b/drivers/staging/iio/dds/Makefile deleted file mode 100644 index 147746176b9b..000000000000 --- a/drivers/staging/iio/dds/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# -# Makefile for Direct Digital Synthesis drivers -# - -obj-$(CONFIG_AD5930) += ad5930.o -obj-$(CONFIG_AD9832) += ad9832.o -obj-$(CONFIG_AD9834) += ad9834.o -obj-$(CONFIG_AD9850) += ad9850.o -obj-$(CONFIG_AD9852) += ad9852.o -obj-$(CONFIG_AD9910) += ad9910.o -obj-$(CONFIG_AD9951) += ad9951.o diff --git a/drivers/staging/iio/dds/ad5930.c b/drivers/staging/iio/dds/ad5930.c deleted file mode 100644 index 9c32d1beae25..000000000000 --- a/drivers/staging/iio/dds/ad5930.c +++ /dev/null @@ -1,151 +0,0 @@ -/* - * Driver for ADI Direct Digital Synthesis ad5930 - * - * Copyright (c) 2010-2010 Analog Devices Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ -#include <linux/types.h> -#include <linux/mutex.h> -#include <linux/device.h> -#include <linux/spi/spi.h> -#include <linux/slab.h> -#include <linux/sysfs.h> -#include <linux/module.h> - -#include "../iio.h" -#include "../sysfs.h" - -#define DRV_NAME "ad5930" - -#define value_mask (u16)0xf000 -#define addr_shift 12 - -/* Register format: 4 bits addr + 12 bits value */ -struct ad5903_config { - u16 control; - u16 incnum; - u16 frqdelt[2]; - u16 incitvl; - u16 buritvl; - u16 strtfrq[2]; -}; - -struct ad5930_state { - struct mutex lock; - struct spi_device *sdev; -}; - -static ssize_t ad5930_set_parameter(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct spi_message msg; - struct spi_transfer xfer; - int ret; - struct ad5903_config *config = (struct ad5903_config *)buf; - struct iio_dev *idev = dev_get_drvdata(dev); - struct ad5930_state *st = iio_priv(idev); - - config->control = (config->control & ~value_mask); - config->incnum = (config->control & ~value_mask) | (1 << addr_shift); - config->frqdelt[0] = (config->control & ~value_mask) | (2 << addr_shift); - config->frqdelt[1] = (config->control & ~value_mask) | 3 << addr_shift; - config->incitvl = (config->control & ~value_mask) | 4 << addr_shift; - config->buritvl = (config->control & ~value_mask) | 8 << addr_shift; - config->strtfrq[0] = (config->control & ~value_mask) | 0xc << addr_shift; - config->strtfrq[1] = (config->control & ~value_mask) | 0xd << addr_shift; - - xfer.len = len; - xfer.tx_buf = config; - mutex_lock(&st->lock); - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; -error_ret: - mutex_unlock(&st->lock); - - return ret ? ret : len; -} - -static IIO_DEVICE_ATTR(dds, S_IWUSR, NULL, ad5930_set_parameter, 0); - -static struct attribute *ad5930_attributes[] = { - &iio_dev_attr_dds.dev_attr.attr, - NULL, -}; - -static const struct attribute_group ad5930_attribute_group = { - .attrs = ad5930_attributes, -}; - -static const struct iio_info ad5930_info = { - .attrs = &ad5930_attribute_group, - .driver_module = THIS_MODULE, -}; - -static int __devinit ad5930_probe(struct spi_device *spi) -{ - struct ad5930_state *st; - struct iio_dev *idev; - int ret = 0; - - idev = iio_allocate_device(sizeof(*st)); - if (idev == NULL) { - ret = -ENOMEM; - goto error_ret; - } - spi_set_drvdata(spi, idev); - st = iio_priv(idev); - - mutex_init(&st->lock); - st->sdev = spi; - idev->dev.parent = &spi->dev; - idev->info = &ad5930_info; - idev->modes = INDIO_DIRECT_MODE; - - ret = iio_device_register(idev); - if (ret) - goto error_free_dev; - spi->max_speed_hz = 2000000; - spi->mode = SPI_MODE_3; - spi->bits_per_word = 16; - spi_setup(spi); - - return 0; - -error_free_dev: - iio_free_device(idev); -error_ret: - return ret; -} - -static int __devexit ad5930_remove(struct spi_device *spi) -{ - iio_device_unregister(spi_get_drvdata(spi)); - iio_free_device(spi_get_drvdata(spi)); - - return 0; -} - -static struct spi_driver ad5930_driver = { - .driver = { - .name = DRV_NAME, - .owner = THIS_MODULE, - }, - .probe = ad5930_probe, - .remove = __devexit_p(ad5930_remove), -}; -module_spi_driver(ad5930_driver); - -MODULE_AUTHOR("Cliff Cai"); -MODULE_DESCRIPTION("Analog Devices ad5930 driver"); -MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("spi:" DRV_NAME); diff --git a/drivers/staging/iio/dds/ad9832.c b/drivers/staging/iio/dds/ad9832.c deleted file mode 100644 index 2ccf25dd9289..000000000000 --- a/drivers/staging/iio/dds/ad9832.c +++ /dev/null @@ -1,362 +0,0 @@ -/* - * AD9832 SPI DDS driver - * - * Copyright 2011 Analog Devices Inc. - * - * Licensed under the GPL-2. - */ - -#include <linux/device.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/sysfs.h> -#include <linux/spi/spi.h> -#include <linux/regulator/consumer.h> -#include <linux/err.h> -#include <linux/module.h> -#include <asm/div64.h> - -#include "../iio.h" -#include "../sysfs.h" -#include "dds.h" - -#include "ad9832.h" - -static unsigned long ad9832_calc_freqreg(unsigned long mclk, unsigned long fout) -{ - unsigned long long freqreg = (u64) fout * - (u64) ((u64) 1L << AD9832_FREQ_BITS); - do_div(freqreg, mclk); - return freqreg; -} - -static int ad9832_write_frequency(struct ad9832_state *st, - unsigned addr, unsigned long fout) -{ - unsigned long regval; - - if (fout > (st->mclk / 2)) - return -EINVAL; - - regval = ad9832_calc_freqreg(st->mclk, fout); - - st->freq_data[0] = cpu_to_be16((AD9832_CMD_FRE8BITSW << CMD_SHIFT) | - (addr << ADD_SHIFT) | - ((regval >> 24) & 0xFF)); - st->freq_data[1] = cpu_to_be16((AD9832_CMD_FRE16BITSW << CMD_SHIFT) | - ((addr - 1) << ADD_SHIFT) | - ((regval >> 16) & 0xFF)); - st->freq_data[2] = cpu_to_be16((AD9832_CMD_FRE8BITSW << CMD_SHIFT) | - ((addr - 2) << ADD_SHIFT) | - ((regval >> 8) & 0xFF)); - st->freq_data[3] = cpu_to_be16((AD9832_CMD_FRE16BITSW << CMD_SHIFT) | - ((addr - 3) << ADD_SHIFT) | - ((regval >> 0) & 0xFF)); - - return spi_sync(st->spi, &st->freq_msg); -} - -static int ad9832_write_phase(struct ad9832_state *st, - unsigned long addr, unsigned long phase) -{ - if (phase > (1 << AD9832_PHASE_BITS)) - return -EINVAL; - - st->phase_data[0] = cpu_to_be16((AD9832_CMD_PHA8BITSW << CMD_SHIFT) | - (addr << ADD_SHIFT) | - ((phase >> 8) & 0xFF)); - st->phase_data[1] = cpu_to_be16((AD9832_CMD_PHA16BITSW << CMD_SHIFT) | - ((addr - 1) << ADD_SHIFT) | - (phase & 0xFF)); - - return spi_sync(st->spi, &st->phase_msg); -} - -static ssize_t ad9832_write(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct ad9832_state *st = iio_priv(indio_dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - int ret; - long val; - - ret = strict_strtoul(buf, 10, &val); - if (ret) - goto error_ret; - - mutex_lock(&indio_dev->mlock); - switch ((u32) this_attr->address) { - case AD9832_FREQ0HM: - case AD9832_FREQ1HM: - ret = ad9832_write_frequency(st, this_attr->address, val); - break; - case AD9832_PHASE0H: - case AD9832_PHASE1H: - case AD9832_PHASE2H: - case AD9832_PHASE3H: - ret = ad9832_write_phase(st, this_attr->address, val); - break; - case AD9832_PINCTRL_EN: - if (val) - st->ctrl_ss &= ~AD9832_SELSRC; - else - st->ctrl_ss |= AD9832_SELSRC; - st->data = cpu_to_be16((AD9832_CMD_SYNCSELSRC << CMD_SHIFT) | - st->ctrl_ss); - ret = spi_sync(st->spi, &st->msg); - break; - case AD9832_FREQ_SYM: - if (val == 1) - st->ctrl_fp |= AD9832_FREQ; - else if (val == 0) - st->ctrl_fp &= ~AD9832_FREQ; - else { - ret = -EINVAL; - break; - } - st->data = cpu_to_be16((AD9832_CMD_FPSELECT << CMD_SHIFT) | - st->ctrl_fp); - ret = spi_sync(st->spi, &st->msg); - break; - case AD9832_PHASE_SYM: - if (val < 0 || val > 3) { - ret = -EINVAL; - break; - } - - st->ctrl_fp &= ~AD9832_PHASE(3); - st->ctrl_fp |= AD9832_PHASE(val); - - st->data = cpu_to_be16((AD9832_CMD_FPSELECT << CMD_SHIFT) | - st->ctrl_fp); - ret = spi_sync(st->spi, &st->msg); - break; - case AD9832_OUTPUT_EN: - if (val) - st->ctrl_src &= ~(AD9832_RESET | AD9832_SLEEP | - AD9832_CLR); - else - st->ctrl_src |= AD9832_RESET; - - st->data = cpu_to_be16((AD9832_CMD_SLEEPRESCLR << CMD_SHIFT) | - st->ctrl_src); - ret = spi_sync(st->spi, &st->msg); - break; - default: - ret = -ENODEV; - } - mutex_unlock(&indio_dev->mlock); - -error_ret: - return ret ? ret : len; -} - -/** - * see dds.h for further information - */ - -static IIO_DEV_ATTR_FREQ(0, 0, S_IWUSR, NULL, ad9832_write, AD9832_FREQ0HM); -static IIO_DEV_ATTR_FREQ(0, 1, S_IWUSR, NULL, ad9832_write, AD9832_FREQ1HM); -static IIO_DEV_ATTR_FREQSYMBOL(0, S_IWUSR, NULL, ad9832_write, AD9832_FREQ_SYM); -static IIO_CONST_ATTR_FREQ_SCALE(0, "1"); /* 1Hz */ - -static IIO_DEV_ATTR_PHASE(0, 0, S_IWUSR, NULL, ad9832_write, AD9832_PHASE0H); -static IIO_DEV_ATTR_PHASE(0, 1, S_IWUSR, NULL, ad9832_write, AD9832_PHASE1H); -static IIO_DEV_ATTR_PHASE(0, 2, S_IWUSR, NULL, ad9832_write, AD9832_PHASE2H); -static IIO_DEV_ATTR_PHASE(0, 3, S_IWUSR, NULL, ad9832_write, AD9832_PHASE3H); -static IIO_DEV_ATTR_PHASESYMBOL(0, S_IWUSR, NULL, - ad9832_write, AD9832_PHASE_SYM); -static IIO_CONST_ATTR_PHASE_SCALE(0, "0.0015339808"); /* 2PI/2^12 rad*/ - -static IIO_DEV_ATTR_PINCONTROL_EN(0, S_IWUSR, NULL, - ad9832_write, AD9832_PINCTRL_EN); -static IIO_DEV_ATTR_OUT_ENABLE(0, S_IWUSR, NULL, - ad9832_write, AD9832_OUTPUT_EN); - -static struct attribute *ad9832_attributes[] = { - &iio_dev_attr_dds0_freq0.dev_attr.attr, - &iio_dev_attr_dds0_freq1.dev_attr.attr, - &iio_const_attr_dds0_freq_scale.dev_attr.attr, - &iio_dev_attr_dds0_phase0.dev_attr.attr, - &iio_dev_attr_dds0_phase1.dev_attr.attr, - &iio_dev_attr_dds0_phase2.dev_attr.attr, - &iio_dev_attr_dds0_phase3.dev_attr.attr, - &iio_const_attr_dds0_phase_scale.dev_attr.attr, - &iio_dev_attr_dds0_pincontrol_en.dev_attr.attr, - &iio_dev_attr_dds0_freqsymbol.dev_attr.attr, - &iio_dev_attr_dds0_phasesymbol.dev_attr.attr, - &iio_dev_attr_dds0_out_enable.dev_attr.attr, - NULL, -}; - -static const struct attribute_group ad9832_attribute_group = { - .attrs = ad9832_attributes, -}; - -static const struct iio_info ad9832_info = { - .attrs = &ad9832_attribute_group, - .driver_module = THIS_MODULE, -}; - -static int __devinit ad9832_probe(struct spi_device *spi) -{ - struct ad9832_platform_data *pdata = spi->dev.platform_data; - struct iio_dev *indio_dev; - struct ad9832_state *st; - struct regulator *reg; - int ret; - - if (!pdata) { - dev_dbg(&spi->dev, "no platform data?\n"); - return -ENODEV; - } - - reg = regulator_get(&spi->dev, "vcc"); - if (!IS_ERR(reg)) { - ret = regulator_enable(reg); - if (ret) - goto error_put_reg; - } - - indio_dev = iio_allocate_device(sizeof(*st)); - if (indio_dev == NULL) { - ret = -ENOMEM; - goto error_disable_reg; - } - spi_set_drvdata(spi, indio_dev); - st = iio_priv(indio_dev); - st->reg = reg; - st->mclk = pdata->mclk; - st->spi = spi; - - indio_dev->dev.parent = &spi->dev; - indio_dev->name = spi_get_device_id(spi)->name; - indio_dev->info = &ad9832_info; - indio_dev->modes = INDIO_DIRECT_MODE; - - /* Setup default messages */ - - st->xfer.tx_buf = &st->data; - st->xfer.len = 2; - - spi_message_init(&st->msg); - spi_message_add_tail(&st->xfer, &st->msg); - - st->freq_xfer[0].tx_buf = &st->freq_data[0]; - st->freq_xfer[0].len = 2; - st->freq_xfer[0].cs_change = 1; - st->freq_xfer[1].tx_buf = &st->freq_data[1]; - st->freq_xfer[1].len = 2; - st->freq_xfer[1].cs_change = 1; - st->freq_xfer[2].tx_buf = &st->freq_data[2]; - st->freq_xfer[2].len = 2; - st->freq_xfer[2].cs_change = 1; - st->freq_xfer[3].tx_buf = &st->freq_data[3]; - st->freq_xfer[3].len = 2; - - spi_message_init(&st->freq_msg); - spi_message_add_tail(&st->freq_xfer[0], &st->freq_msg); - spi_message_add_tail(&st->freq_xfer[1], &st->freq_msg); - spi_message_add_tail(&st->freq_xfer[2], &st->freq_msg); - spi_message_add_tail(&st->freq_xfer[3], &st->freq_msg); - - st->phase_xfer[0].tx_buf = &st->phase_data[0]; - st->phase_xfer[0].len = 2; - st->phase_xfer[0].cs_change = 1; - st->phase_xfer[1].tx_buf = &st->phase_data[1]; - st->phase_xfer[1].len = 2; - - spi_message_init(&st->phase_msg); - spi_message_add_tail(&st->phase_xfer[0], &st->phase_msg); - spi_message_add_tail(&st->phase_xfer[1], &st->phase_msg); - - st->ctrl_src = AD9832_SLEEP | AD9832_RESET | AD9832_CLR; - st->data = cpu_to_be16((AD9832_CMD_SLEEPRESCLR << CMD_SHIFT) | - st->ctrl_src); - ret = spi_sync(st->spi, &st->msg); - if (ret) { - dev_err(&spi->dev, "device init failed\n"); - goto error_free_device; - } - - ret = ad9832_write_frequency(st, AD9832_FREQ0HM, pdata->freq0); - if (ret) - goto error_free_device; - - ret = ad9832_write_frequency(st, AD9832_FREQ1HM, pdata->freq1); - if (ret) - goto error_free_device; - - ret = ad9832_write_phase(st, AD9832_PHASE0H, pdata->phase0); - if (ret) - goto error_free_device; - - ret = ad9832_write_phase(st, AD9832_PHASE1H, pdata->phase1); - if (ret) - goto error_free_device; - - ret = ad9832_write_phase(st, AD9832_PHASE2H, pdata->phase2); - if (ret) - goto error_free_device; - - ret = ad9832_write_phase(st, AD9832_PHASE3H, pdata->phase3); - if (ret) - goto error_free_device; - - ret = iio_device_register(indio_dev); - if (ret) - goto error_free_device; - - return 0; - -error_free_device: - iio_free_device(indio_dev); -error_disable_reg: - if (!IS_ERR(reg)) - regulator_disable(reg); -error_put_reg: - if (!IS_ERR(reg)) - regulator_put(reg); - - return ret; -} - -static int __devexit ad9832_remove(struct spi_device *spi) -{ - struct iio_dev *indio_dev = spi_get_drvdata(spi); - struct ad9832_state *st = iio_priv(indio_dev); - - iio_device_unregister(indio_dev); - if (!IS_ERR(st->reg)) { - regulator_disable(st->reg); - regulator_put(st->reg); - } - iio_free_device(indio_dev); - - return 0; -} - -static const struct spi_device_id ad9832_id[] = { - {"ad9832", 0}, - {"ad9835", 0}, - {} -}; -MODULE_DEVICE_TABLE(spi, ad9832_id); - -static struct spi_driver ad9832_driver = { - .driver = { - .name = "ad9832", - .owner = THIS_MODULE, - }, - .probe = ad9832_probe, - .remove = __devexit_p(ad9832_remove), - .id_table = ad9832_id, -}; -module_spi_driver(ad9832_driver); - -MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); -MODULE_DESCRIPTION("Analog Devices AD9832/AD9835 DDS"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/iio/dds/ad9832.h b/drivers/staging/iio/dds/ad9832.h deleted file mode 100644 index c5b701f8aabb..000000000000 --- a/drivers/staging/iio/dds/ad9832.h +++ /dev/null @@ -1,126 +0,0 @@ -/* - * AD9832 SPI DDS driver - * - * Copyright 2011 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ -#ifndef IIO_DDS_AD9832_H_ -#define IIO_DDS_AD9832_H_ - -/* Registers */ - -#define AD9832_FREQ0LL 0x0 -#define AD9832_FREQ0HL 0x1 -#define AD9832_FREQ0LM 0x2 -#define AD9832_FREQ0HM 0x3 -#define AD9832_FREQ1LL 0x4 -#define AD9832_FREQ1HL 0x5 -#define AD9832_FREQ1LM 0x6 -#define AD9832_FREQ1HM 0x7 -#define AD9832_PHASE0L 0x8 -#define AD9832_PHASE0H 0x9 -#define AD9832_PHASE1L 0xA -#define AD9832_PHASE1H 0xB -#define AD9832_PHASE2L 0xC -#define AD9832_PHASE2H 0xD -#define AD9832_PHASE3L 0xE -#define AD9832_PHASE3H 0xF - -#define AD9832_PHASE_SYM 0x10 -#define AD9832_FREQ_SYM 0x11 -#define AD9832_PINCTRL_EN 0x12 -#define AD9832_OUTPUT_EN 0x13 - -/* Command Control Bits */ - -#define AD9832_CMD_PHA8BITSW 0x1 -#define AD9832_CMD_PHA16BITSW 0x0 -#define AD9832_CMD_FRE8BITSW 0x3 -#define AD9832_CMD_FRE16BITSW 0x2 -#define AD9832_CMD_FPSELECT 0x6 -#define AD9832_CMD_SYNCSELSRC 0x8 -#define AD9832_CMD_SLEEPRESCLR 0xC - -#define AD9832_FREQ (1 << 11) -#define AD9832_PHASE(x) (((x) & 3) << 9) -#define AD9832_SYNC (1 << 13) -#define AD9832_SELSRC (1 << 12) -#define AD9832_SLEEP (1 << 13) -#define AD9832_RESET (1 << 12) -#define AD9832_CLR (1 << 11) -#define CMD_SHIFT 12 -#define ADD_SHIFT 8 -#define AD9832_FREQ_BITS 32 -#define AD9832_PHASE_BITS 12 -#define RES_MASK(bits) ((1 << (bits)) - 1) - -/** - * struct ad9832_state - driver instance specific data - * @spi: spi_device - * @reg: supply regulator - * @mclk: external master clock - * @ctrl_fp: cached frequency/phase control word - * @ctrl_ss: cached sync/selsrc control word - * @ctrl_src: cached sleep/reset/clr word - * @xfer: default spi transfer - * @msg: default spi message - * @freq_xfer: tuning word spi transfer - * @freq_msg: tuning word spi message - * @phase_xfer: tuning word spi transfer - * @phase_msg: tuning word spi message - * @data: spi transmit buffer - * @phase_data: tuning word spi transmit buffer - * @freq_data: tuning word spi transmit buffer - */ - -struct ad9832_state { - struct spi_device *spi; - struct regulator *reg; - unsigned long mclk; - unsigned short ctrl_fp; - unsigned short ctrl_ss; - unsigned short ctrl_src; - struct spi_transfer xfer; - struct spi_message msg; - struct spi_transfer freq_xfer[4]; - struct spi_message freq_msg; - struct spi_transfer phase_xfer[2]; - struct spi_message phase_msg; - /* - * DMA (thus cache coherency maintenance) requires the - * transfer buffers to live in their own cache lines. - */ - union { - unsigned short freq_data[4]____cacheline_aligned; - unsigned short phase_data[2]; - unsigned short data; - }; -}; - -/* - * TODO: struct ad9832_platform_data needs to go into include/linux/iio - */ - -/** - * struct ad9832_platform_data - platform specific information - * @mclk: master clock in Hz - * @freq0: power up freq0 tuning word in Hz - * @freq1: power up freq1 tuning word in Hz - * @phase0: power up phase0 value [0..4095] correlates with 0..2PI - * @phase1: power up phase1 value [0..4095] correlates with 0..2PI - * @phase2: power up phase2 value [0..4095] correlates with 0..2PI - * @phase3: power up phase3 value [0..4095] correlates with 0..2PI - */ - -struct ad9832_platform_data { - unsigned long mclk; - unsigned long freq0; - unsigned long freq1; - unsigned short phase0; - unsigned short phase1; - unsigned short phase2; - unsigned short phase3; -}; - -#endif /* IIO_DDS_AD9832_H_ */ diff --git a/drivers/staging/iio/dds/ad9834.c b/drivers/staging/iio/dds/ad9834.c deleted file mode 100644 index 38a2de08626f..000000000000 --- a/drivers/staging/iio/dds/ad9834.c +++ /dev/null @@ -1,464 +0,0 @@ -/* - * AD9833/AD9834/AD9837/AD9838 SPI DDS driver - * - * Copyright 2010-2011 Analog Devices Inc. - * - * Licensed under the GPL-2. - */ - -#include <linux/interrupt.h> -#include <linux/workqueue.h> -#include <linux/device.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/sysfs.h> -#include <linux/list.h> -#include <linux/spi/spi.h> -#include <linux/regulator/consumer.h> -#include <linux/err.h> -#include <linux/module.h> -#include <asm/div64.h> - -#include "../iio.h" -#include "../sysfs.h" -#include "dds.h" - -#include "ad9834.h" - -static unsigned int ad9834_calc_freqreg(unsigned long mclk, unsigned long fout) -{ - unsigned long long freqreg = (u64) fout * (u64) (1 << AD9834_FREQ_BITS); - do_div(freqreg, mclk); - return freqreg; -} - -static int ad9834_write_frequency(struct ad9834_state *st, - unsigned long addr, unsigned long fout) -{ - unsigned long regval; - - if (fout > (st->mclk / 2)) - return -EINVAL; - - regval = ad9834_calc_freqreg(st->mclk, fout); - - st->freq_data[0] = cpu_to_be16(addr | (regval & - RES_MASK(AD9834_FREQ_BITS / 2))); - st->freq_data[1] = cpu_to_be16(addr | ((regval >> - (AD9834_FREQ_BITS / 2)) & - RES_MASK(AD9834_FREQ_BITS / 2))); - - return spi_sync(st->spi, &st->freq_msg); -} - -static int ad9834_write_phase(struct ad9834_state *st, - unsigned long addr, unsigned long phase) -{ - if (phase > (1 << AD9834_PHASE_BITS)) - return -EINVAL; - st->data = cpu_to_be16(addr | phase); - - return spi_sync(st->spi, &st->msg); -} - -static ssize_t ad9834_write(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct ad9834_state *st = iio_priv(indio_dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - int ret; - long val; - - ret = strict_strtoul(buf, 10, &val); - if (ret) - goto error_ret; - - mutex_lock(&indio_dev->mlock); - switch ((u32) this_attr->address) { - case AD9834_REG_FREQ0: - case AD9834_REG_FREQ1: - ret = ad9834_write_frequency(st, this_attr->address, val); - break; - case AD9834_REG_PHASE0: - case AD9834_REG_PHASE1: - ret = ad9834_write_phase(st, this_attr->address, val); - break; - case AD9834_OPBITEN: - if (st->control & AD9834_MODE) { - ret = -EINVAL; /* AD9843 reserved mode */ - break; - } - - if (val) - st->control |= AD9834_OPBITEN; - else - st->control &= ~AD9834_OPBITEN; - - st->data = cpu_to_be16(AD9834_REG_CMD | st->control); - ret = spi_sync(st->spi, &st->msg); - break; - case AD9834_PIN_SW: - if (val) - st->control |= AD9834_PIN_SW; - else - st->control &= ~AD9834_PIN_SW; - st->data = cpu_to_be16(AD9834_REG_CMD | st->control); - ret = spi_sync(st->spi, &st->msg); - break; - case AD9834_FSEL: - case AD9834_PSEL: - if (val == 0) - st->control &= ~(this_attr->address | AD9834_PIN_SW); - else if (val == 1) { - st->control |= this_attr->address; - st->control &= ~AD9834_PIN_SW; - } else { - ret = -EINVAL; - break; - } - st->data = cpu_to_be16(AD9834_REG_CMD | st->control); - ret = spi_sync(st->spi, &st->msg); - break; - case AD9834_RESET: - if (val) - st->control &= ~AD9834_RESET; - else - st->control |= AD9834_RESET; - - st->data = cpu_to_be16(AD9834_REG_CMD | st->control); - ret = spi_sync(st->spi, &st->msg); - break; - default: - ret = -ENODEV; - } - mutex_unlock(&indio_dev->mlock); - -error_ret: - return ret ? ret : len; -} - -static ssize_t ad9834_store_wavetype(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct ad9834_state *st = iio_priv(indio_dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - int ret = 0; - bool is_ad9833_7 = (st->devid == ID_AD9833) || (st->devid == ID_AD9837); - - mutex_lock(&indio_dev->mlock); - - switch ((u32) this_attr->address) { - case 0: - if (sysfs_streq(buf, "sine")) { - st->control &= ~AD9834_MODE; - if (is_ad9833_7) - st->control &= ~AD9834_OPBITEN; - } else if (sysfs_streq(buf, "triangle")) { - if (is_ad9833_7) { - st->control &= ~AD9834_OPBITEN; - st->control |= AD9834_MODE; - } else if (st->control & AD9834_OPBITEN) { - ret = -EINVAL; /* AD9843 reserved mode */ - } else { - st->control |= AD9834_MODE; - } - } else if (is_ad9833_7 && sysfs_streq(buf, "square")) { - st->control &= ~AD9834_MODE; - st->control |= AD9834_OPBITEN; - } else { - ret = -EINVAL; - } - - break; - case 1: - if (sysfs_streq(buf, "square") && - !(st->control & AD9834_MODE)) { - st->control &= ~AD9834_MODE; - st->control |= AD9834_OPBITEN; - } else { - ret = -EINVAL; - } - break; - default: - ret = -EINVAL; - break; - } - - if (!ret) { - st->data = cpu_to_be16(AD9834_REG_CMD | st->control); - ret = spi_sync(st->spi, &st->msg); - } - mutex_unlock(&indio_dev->mlock); - - return ret ? ret : len; -} - -static ssize_t ad9834_show_out0_wavetype_available(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct ad9834_state *st = iio_priv(indio_dev); - char *str; - - if ((st->devid == ID_AD9833) || (st->devid == ID_AD9837)) - str = "sine triangle square"; - else if (st->control & AD9834_OPBITEN) - str = "sine"; - else - str = "sine triangle"; - - return sprintf(buf, "%s\n", str); -} - - -static IIO_DEVICE_ATTR(dds0_out0_wavetype_available, S_IRUGO, - ad9834_show_out0_wavetype_available, NULL, 0); - -static ssize_t ad9834_show_out1_wavetype_available(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct ad9834_state *st = iio_priv(indio_dev); - char *str; - - if (st->control & AD9834_MODE) - str = ""; - else - str = "square"; - - return sprintf(buf, "%s\n", str); -} - -static IIO_DEVICE_ATTR(dds0_out1_wavetype_available, S_IRUGO, - ad9834_show_out1_wavetype_available, NULL, 0); - -/** - * see dds.h for further information - */ - -static IIO_DEV_ATTR_FREQ(0, 0, S_IWUSR, NULL, ad9834_write, AD9834_REG_FREQ0); -static IIO_DEV_ATTR_FREQ(0, 1, S_IWUSR, NULL, ad9834_write, AD9834_REG_FREQ1); -static IIO_DEV_ATTR_FREQSYMBOL(0, S_IWUSR, NULL, ad9834_write, AD9834_FSEL); -static IIO_CONST_ATTR_FREQ_SCALE(0, "1"); /* 1Hz */ - -static IIO_DEV_ATTR_PHASE(0, 0, S_IWUSR, NULL, ad9834_write, AD9834_REG_PHASE0); -static IIO_DEV_ATTR_PHASE(0, 1, S_IWUSR, NULL, ad9834_write, AD9834_REG_PHASE1); -static IIO_DEV_ATTR_PHASESYMBOL(0, S_IWUSR, NULL, ad9834_write, AD9834_PSEL); -static IIO_CONST_ATTR_PHASE_SCALE(0, "0.0015339808"); /* 2PI/2^12 rad*/ - -static IIO_DEV_ATTR_PINCONTROL_EN(0, S_IWUSR, NULL, - ad9834_write, AD9834_PIN_SW); -static IIO_DEV_ATTR_OUT_ENABLE(0, S_IWUSR, NULL, ad9834_write, AD9834_RESET); -static IIO_DEV_ATTR_OUTY_ENABLE(0, 1, S_IWUSR, NULL, - ad9834_write, AD9834_OPBITEN); -static IIO_DEV_ATTR_OUT_WAVETYPE(0, 0, ad9834_store_wavetype, 0); -static IIO_DEV_ATTR_OUT_WAVETYPE(0, 1, ad9834_store_wavetype, 1); - -static struct attribute *ad9834_attributes[] = { - &iio_dev_attr_dds0_freq0.dev_attr.attr, - &iio_dev_attr_dds0_freq1.dev_attr.attr, - &iio_const_attr_dds0_freq_scale.dev_attr.attr, - &iio_dev_attr_dds0_phase0.dev_attr.attr, - &iio_dev_attr_dds0_phase1.dev_attr.attr, - &iio_const_attr_dds0_phase_scale.dev_attr.attr, - &iio_dev_attr_dds0_pincontrol_en.dev_attr.attr, - &iio_dev_attr_dds0_freqsymbol.dev_attr.attr, - &iio_dev_attr_dds0_phasesymbol.dev_attr.attr, - &iio_dev_attr_dds0_out_enable.dev_attr.attr, - &iio_dev_attr_dds0_out1_enable.dev_attr.attr, - &iio_dev_attr_dds0_out0_wavetype.dev_attr.attr, - &iio_dev_attr_dds0_out1_wavetype.dev_attr.attr, - &iio_dev_attr_dds0_out0_wavetype_available.dev_attr.attr, - &iio_dev_attr_dds0_out1_wavetype_available.dev_attr.attr, - NULL, -}; - -static struct attribute *ad9833_attributes[] = { - &iio_dev_attr_dds0_freq0.dev_attr.attr, - &iio_dev_attr_dds0_freq1.dev_attr.attr, - &iio_const_attr_dds0_freq_scale.dev_attr.attr, - &iio_dev_attr_dds0_phase0.dev_attr.attr, - &iio_dev_attr_dds0_phase1.dev_attr.attr, - &iio_const_attr_dds0_phase_scale.dev_attr.attr, - &iio_dev_attr_dds0_freqsymbol.dev_attr.attr, - &iio_dev_attr_dds0_phasesymbol.dev_attr.attr, - &iio_dev_attr_dds0_out_enable.dev_attr.attr, - &iio_dev_attr_dds0_out0_wavetype.dev_attr.attr, - &iio_dev_attr_dds0_out0_wavetype_available.dev_attr.attr, - NULL, -}; - -static const struct attribute_group ad9834_attribute_group = { - .attrs = ad9834_attributes, -}; - -static const struct attribute_group ad9833_attribute_group = { - .attrs = ad9833_attributes, -}; - -static const struct iio_info ad9834_info = { - .attrs = &ad9834_attribute_group, - .driver_module = THIS_MODULE, -}; - -static const struct iio_info ad9833_info = { - .attrs = &ad9833_attribute_group, - .driver_module = THIS_MODULE, -}; - -static int __devinit ad9834_probe(struct spi_device *spi) -{ - struct ad9834_platform_data *pdata = spi->dev.platform_data; - struct ad9834_state *st; - struct iio_dev *indio_dev; - struct regulator *reg; - int ret; - - if (!pdata) { - dev_dbg(&spi->dev, "no platform data?\n"); - return -ENODEV; - } - - reg = regulator_get(&spi->dev, "vcc"); - if (!IS_ERR(reg)) { - ret = regulator_enable(reg); - if (ret) - goto error_put_reg; - } - - indio_dev = iio_allocate_device(sizeof(*st)); - if (indio_dev == NULL) { - ret = -ENOMEM; - goto error_disable_reg; - } - spi_set_drvdata(spi, indio_dev); - st = iio_priv(indio_dev); - st->mclk = pdata->mclk; - st->spi = spi; - st->devid = spi_get_device_id(spi)->driver_data; - st->reg = reg; - indio_dev->dev.parent = &spi->dev; - indio_dev->name = spi_get_device_id(spi)->name; - switch (st->devid) { - case ID_AD9833: - case ID_AD9837: - indio_dev->info = &ad9833_info; - break; - default: - indio_dev->info = &ad9834_info; - break; - } - indio_dev->modes = INDIO_DIRECT_MODE; - - /* Setup default messages */ - - st->xfer.tx_buf = &st->data; - st->xfer.len = 2; - - spi_message_init(&st->msg); - spi_message_add_tail(&st->xfer, &st->msg); - - st->freq_xfer[0].tx_buf = &st->freq_data[0]; - st->freq_xfer[0].len = 2; - st->freq_xfer[0].cs_change = 1; - st->freq_xfer[1].tx_buf = &st->freq_data[1]; - st->freq_xfer[1].len = 2; - - spi_message_init(&st->freq_msg); - spi_message_add_tail(&st->freq_xfer[0], &st->freq_msg); - spi_message_add_tail(&st->freq_xfer[1], &st->freq_msg); - - st->control = AD9834_B28 | AD9834_RESET; - - if (!pdata->en_div2) - st->control |= AD9834_DIV2; - - if (!pdata->en_signbit_msb_out && (st->devid == ID_AD9834)) - st->control |= AD9834_SIGN_PIB; - - st->data = cpu_to_be16(AD9834_REG_CMD | st->control); - ret = spi_sync(st->spi, &st->msg); - if (ret) { - dev_err(&spi->dev, "device init failed\n"); - goto error_free_device; - } - - ret = ad9834_write_frequency(st, AD9834_REG_FREQ0, pdata->freq0); - if (ret) - goto error_free_device; - - ret = ad9834_write_frequency(st, AD9834_REG_FREQ1, pdata->freq1); - if (ret) - goto error_free_device; - - ret = ad9834_write_phase(st, AD9834_REG_PHASE0, pdata->phase0); - if (ret) - goto error_free_device; - - ret = ad9834_write_phase(st, AD9834_REG_PHASE1, pdata->phase1); - if (ret) - goto error_free_device; - - ret = iio_device_register(indio_dev); - if (ret) - goto error_free_device; - - return 0; - -error_free_device: - iio_free_device(indio_dev); -error_disable_reg: - if (!IS_ERR(reg)) - regulator_disable(reg); -error_put_reg: - if (!IS_ERR(reg)) - regulator_put(reg); - return ret; -} - -static int __devexit ad9834_remove(struct spi_device *spi) -{ - struct iio_dev *indio_dev = spi_get_drvdata(spi); - struct ad9834_state *st = iio_priv(indio_dev); - - iio_device_unregister(indio_dev); - if (!IS_ERR(st->reg)) { - regulator_disable(st->reg); - regulator_put(st->reg); - } - iio_free_device(indio_dev); - - return 0; -} - -static const struct spi_device_id ad9834_id[] = { - {"ad9833", ID_AD9833}, - {"ad9834", ID_AD9834}, - {"ad9837", ID_AD9837}, - {"ad9838", ID_AD9838}, - {} -}; -MODULE_DEVICE_TABLE(spi, ad9834_id); - -static struct spi_driver ad9834_driver = { - .driver = { - .name = "ad9834", - .owner = THIS_MODULE, - }, - .probe = ad9834_probe, - .remove = __devexit_p(ad9834_remove), - .id_table = ad9834_id, -}; -module_spi_driver(ad9834_driver); - -MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); -MODULE_DESCRIPTION("Analog Devices AD9833/AD9834/AD9837/AD9838 DDS"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/iio/dds/ad9834.h b/drivers/staging/iio/dds/ad9834.h deleted file mode 100644 index ed5ed8d0007f..000000000000 --- a/drivers/staging/iio/dds/ad9834.h +++ /dev/null @@ -1,112 +0,0 @@ -/* - * AD9833/AD9834/AD9837/AD9838 SPI DDS driver - * - * Copyright 2010-2011 Analog Devices Inc. - * - * Licensed under the GPL-2. - */ -#ifndef IIO_DDS_AD9834_H_ -#define IIO_DDS_AD9834_H_ - -/* Registers */ - -#define AD9834_REG_CMD (0 << 14) -#define AD9834_REG_FREQ0 (1 << 14) -#define AD9834_REG_FREQ1 (2 << 14) -#define AD9834_REG_PHASE0 (6 << 13) -#define AD9834_REG_PHASE1 (7 << 13) - -/* Command Control Bits */ - -#define AD9834_B28 (1 << 13) -#define AD9834_HLB (1 << 12) -#define AD9834_FSEL (1 << 11) -#define AD9834_PSEL (1 << 10) -#define AD9834_PIN_SW (1 << 9) -#define AD9834_RESET (1 << 8) -#define AD9834_SLEEP1 (1 << 7) -#define AD9834_SLEEP12 (1 << 6) -#define AD9834_OPBITEN (1 << 5) -#define AD9834_SIGN_PIB (1 << 4) -#define AD9834_DIV2 (1 << 3) -#define AD9834_MODE (1 << 1) - -#define AD9834_FREQ_BITS 28 -#define AD9834_PHASE_BITS 12 - -#define RES_MASK(bits) ((1 << (bits)) - 1) - -/** - * struct ad9834_state - driver instance specific data - * @spi: spi_device - * @reg: supply regulator - * @mclk: external master clock - * @control: cached control word - * @xfer: default spi transfer - * @msg: default spi message - * @freq_xfer: tuning word spi transfer - * @freq_msg: tuning word spi message - * @data: spi transmit buffer - * @freq_data: tuning word spi transmit buffer - */ - -struct ad9834_state { - struct spi_device *spi; - struct regulator *reg; - unsigned int mclk; - unsigned short control; - unsigned short devid; - struct spi_transfer xfer; - struct spi_message msg; - struct spi_transfer freq_xfer[2]; - struct spi_message freq_msg; - - /* - * DMA (thus cache coherency maintenance) requires the - * transfer buffers to live in their own cache lines. - */ - unsigned short data ____cacheline_aligned; - unsigned short freq_data[2] ; -}; - - -/* - * TODO: struct ad7887_platform_data needs to go into include/linux/iio - */ - -/** - * struct ad9834_platform_data - platform specific information - * @mclk: master clock in Hz - * @freq0: power up freq0 tuning word in Hz - * @freq1: power up freq1 tuning word in Hz - * @phase0: power up phase0 value [0..4095] correlates with 0..2PI - * @phase1: power up phase1 value [0..4095] correlates with 0..2PI - * @en_div2: digital output/2 is passed to the SIGN BIT OUT pin - * @en_signbit_msb_out: the MSB (or MSB/2) of the DAC data is connected to the - * SIGN BIT OUT pin. en_div2 controls whether it is the MSB - * or MSB/2 that is output. if en_signbit_msb_out=false, - * the on-board comparator is connected to SIGN BIT OUT - */ - -struct ad9834_platform_data { - unsigned int mclk; - unsigned int freq0; - unsigned int freq1; - unsigned short phase0; - unsigned short phase1; - bool en_div2; - bool en_signbit_msb_out; -}; - -/** - * ad9834_supported_device_ids: - */ - -enum ad9834_supported_device_ids { - ID_AD9833, - ID_AD9834, - ID_AD9837, - ID_AD9838, -}; - -#endif /* IIO_DDS_AD9834_H_ */ diff --git a/drivers/staging/iio/dds/ad9850.c b/drivers/staging/iio/dds/ad9850.c deleted file mode 100644 index f4f731bb2191..000000000000 --- a/drivers/staging/iio/dds/ad9850.c +++ /dev/null @@ -1,137 +0,0 @@ -/* - * Driver for ADI Direct Digital Synthesis ad9850 - * - * Copyright (c) 2010-2010 Analog Devices Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ -#include <linux/types.h> -#include <linux/mutex.h> -#include <linux/device.h> -#include <linux/spi/spi.h> -#include <linux/slab.h> -#include <linux/sysfs.h> -#include <linux/module.h> - -#include "../iio.h" -#include "../sysfs.h" - -#define DRV_NAME "ad9850" - -#define value_mask (u16)0xf000 -#define addr_shift 12 - -/* Register format: 4 bits addr + 12 bits value */ -struct ad9850_config { - u8 control[5]; -}; - -struct ad9850_state { - struct mutex lock; - struct spi_device *sdev; -}; - -static ssize_t ad9850_set_parameter(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct spi_message msg; - struct spi_transfer xfer; - int ret; - struct ad9850_config *config = (struct ad9850_config *)buf; - struct iio_dev *idev = dev_get_drvdata(dev); - struct ad9850_state *st = iio_priv(idev); - - xfer.len = len; - xfer.tx_buf = config; - mutex_lock(&st->lock); - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; -error_ret: - mutex_unlock(&st->lock); - - return ret ? ret : len; -} - -static IIO_DEVICE_ATTR(dds, S_IWUSR, NULL, ad9850_set_parameter, 0); - -static struct attribute *ad9850_attributes[] = { - &iio_dev_attr_dds.dev_attr.attr, - NULL, -}; - -static const struct attribute_group ad9850_attribute_group = { - .attrs = ad9850_attributes, -}; - -static const struct iio_info ad9850_info = { - .attrs = &ad9850_attribute_group, - .driver_module = THIS_MODULE, -}; - -static int __devinit ad9850_probe(struct spi_device *spi) -{ - struct ad9850_state *st; - struct iio_dev *idev; - int ret = 0; - - idev = iio_allocate_device(sizeof(*st)); - if (idev == NULL) { - ret = -ENOMEM; - goto error_ret; - } - spi_set_drvdata(spi, idev); - st = iio_priv(idev); - mutex_init(&st->lock); - st->sdev = spi; - - idev->dev.parent = &spi->dev; - idev->info = &ad9850_info; - idev->modes = INDIO_DIRECT_MODE; - - ret = iio_device_register(idev); - if (ret) - goto error_free_dev; - spi->max_speed_hz = 2000000; - spi->mode = SPI_MODE_3; - spi->bits_per_word = 16; - spi_setup(spi); - - return 0; - -error_free_dev: - iio_free_device(idev); -error_ret: - return ret; -} - -static int __devexit ad9850_remove(struct spi_device *spi) -{ - iio_device_unregister(spi_get_drvdata(spi)); - iio_free_device(spi_get_drvdata(spi)); - - return 0; -} - -static struct spi_driver ad9850_driver = { - .driver = { - .name = DRV_NAME, - .owner = THIS_MODULE, - }, - .probe = ad9850_probe, - .remove = __devexit_p(ad9850_remove), -}; -module_spi_driver(ad9850_driver); - -MODULE_AUTHOR("Cliff Cai"); -MODULE_DESCRIPTION("Analog Devices ad9850 driver"); -MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("spi:" DRV_NAME); diff --git a/drivers/staging/iio/dds/ad9852.c b/drivers/staging/iio/dds/ad9852.c deleted file mode 100644 index 554266c615a8..000000000000 --- a/drivers/staging/iio/dds/ad9852.c +++ /dev/null @@ -1,288 +0,0 @@ -/* - * Driver for ADI Direct Digital Synthesis ad9852 - * - * Copyright (c) 2010 Analog Devices Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ -#include <linux/types.h> -#include <linux/mutex.h> -#include <linux/device.h> -#include <linux/spi/spi.h> -#include <linux/slab.h> -#include <linux/sysfs.h> -#include <linux/module.h> - -#include "../iio.h" -#include "../sysfs.h" - -#define DRV_NAME "ad9852" - -#define addr_phaad1 0x0 -#define addr_phaad2 0x1 -#define addr_fretu1 0x2 -#define addr_fretu2 0x3 -#define addr_delfre 0x4 -#define addr_updclk 0x5 -#define addr_ramclk 0x6 -#define addr_contrl 0x7 -#define addr_optskm 0x8 -#define addr_optskr 0xa -#define addr_dacctl 0xb - -#define COMPPD (1 << 4) -#define REFMULT2 (1 << 2) -#define BYPPLL (1 << 5) -#define PLLRANG (1 << 6) -#define IEUPCLK (1) -#define OSKEN (1 << 5) - -#define read_bit (1 << 7) - -/* Register format: 1 byte addr + value */ -struct ad9852_config { - u8 phajst0[3]; - u8 phajst1[3]; - u8 fretun1[6]; - u8 fretun2[6]; - u8 dltafre[6]; - u8 updtclk[5]; - u8 ramprat[4]; - u8 control[5]; - u8 outpskm[3]; - u8 outpskr[2]; - u8 daccntl[3]; -}; - -struct ad9852_state { - struct mutex lock; - struct spi_device *sdev; -}; - -static ssize_t ad9852_set_parameter(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct spi_message msg; - struct spi_transfer xfer; - int ret; - struct ad9852_config *config = (struct ad9852_config *)buf; - struct iio_dev *idev = dev_get_drvdata(dev); - struct ad9852_state *st = iio_priv(idev); - - xfer.len = 3; - xfer.tx_buf = &config->phajst0[0]; - mutex_lock(&st->lock); - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 3; - xfer.tx_buf = &config->phajst1[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 6; - xfer.tx_buf = &config->fretun1[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 6; - xfer.tx_buf = &config->fretun2[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 6; - xfer.tx_buf = &config->dltafre[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 5; - xfer.tx_buf = &config->updtclk[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 4; - xfer.tx_buf = &config->ramprat[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 5; - xfer.tx_buf = &config->control[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 3; - xfer.tx_buf = &config->outpskm[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 2; - xfer.tx_buf = &config->outpskr[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 3; - xfer.tx_buf = &config->daccntl[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; -error_ret: - mutex_unlock(&st->lock); - - return ret ? ret : len; -} - -static IIO_DEVICE_ATTR(dds, S_IWUSR, NULL, ad9852_set_parameter, 0); - -static void ad9852_init(struct ad9852_state *st) -{ - struct spi_message msg; - struct spi_transfer xfer; - int ret; - u8 config[5]; - - config[0] = addr_contrl; - config[1] = COMPPD; - config[2] = REFMULT2 | BYPPLL | PLLRANG; - config[3] = IEUPCLK; - config[4] = OSKEN; - - mutex_lock(&st->lock); - - xfer.len = 5; - xfer.tx_buf = &config; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - -error_ret: - mutex_unlock(&st->lock); - - - -} - -static struct attribute *ad9852_attributes[] = { - &iio_dev_attr_dds.dev_attr.attr, - NULL, -}; - -static const struct attribute_group ad9852_attribute_group = { - .attrs = ad9852_attributes, -}; - -static const struct iio_info ad9852_info = { - .attrs = &ad9852_attribute_group, - .driver_module = THIS_MODULE, -}; - -static int __devinit ad9852_probe(struct spi_device *spi) -{ - struct ad9852_state *st; - struct iio_dev *idev; - int ret = 0; - - idev = iio_allocate_device(sizeof(*st)); - if (idev == NULL) { - ret = -ENOMEM; - goto error_ret; - } - st = iio_priv(idev); - spi_set_drvdata(spi, idev); - mutex_init(&st->lock); - st->sdev = spi; - - idev->dev.parent = &spi->dev; - idev->info = &ad9852_info; - idev->modes = INDIO_DIRECT_MODE; - - ret = iio_device_register(idev); - if (ret) - goto error_free_dev; - spi->max_speed_hz = 2000000; - spi->mode = SPI_MODE_3; - spi->bits_per_word = 8; - spi_setup(spi); - ad9852_init(st); - - return 0; - -error_free_dev: - iio_free_device(idev); - -error_ret: - return ret; -} - -static int __devexit ad9852_remove(struct spi_device *spi) -{ - iio_device_unregister(spi_get_drvdata(spi)); - iio_free_device(spi_get_drvdata(spi)); - - return 0; -} - -static struct spi_driver ad9852_driver = { - .driver = { - .name = DRV_NAME, - .owner = THIS_MODULE, - }, - .probe = ad9852_probe, - .remove = __devexit_p(ad9852_remove), -}; -module_spi_driver(ad9852_driver); - -MODULE_AUTHOR("Cliff Cai"); -MODULE_DESCRIPTION("Analog Devices ad9852 driver"); -MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("spi:" DRV_NAME); diff --git a/drivers/staging/iio/dds/ad9910.c b/drivers/staging/iio/dds/ad9910.c deleted file mode 100644 index 3985766d6f87..000000000000 --- a/drivers/staging/iio/dds/ad9910.c +++ /dev/null @@ -1,421 +0,0 @@ -/* - * Driver for ADI Direct Digital Synthesis ad9910 - * - * Copyright (c) 2010 Analog Devices Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ -#include <linux/types.h> -#include <linux/mutex.h> -#include <linux/device.h> -#include <linux/spi/spi.h> -#include <linux/slab.h> -#include <linux/sysfs.h> -#include <linux/module.h> - -#include "../iio.h" -#include "../sysfs.h" - -#define DRV_NAME "ad9910" - -#define CFR1 0x0 -#define CFR2 0x1 -#define CFR3 0x2 - -#define AUXDAC 0x3 -#define IOUPD 0x4 -#define FTW 0x7 -#define POW 0x8 -#define ASF 0x9 -#define MULTC 0x0A -#define DIG_RAMPL 0x0B -#define DIG_RAMPS 0x0C -#define DIG_RAMPR 0x0D -#define SIN_TONEP0 0x0E -#define SIN_TONEP1 0x0F -#define SIN_TONEP2 0x10 -#define SIN_TONEP3 0x11 -#define SIN_TONEP4 0x12 -#define SIN_TONEP5 0x13 -#define SIN_TONEP6 0x14 -#define SIN_TONEP7 0x15 - -#define RAM_ENABLE (1 << 7) - -#define MANUAL_OSK (1 << 7) -#define INVSIC (1 << 6) -#define DDS_SINEOP (1) - -#define AUTO_OSK (1) -#define OSKEN (1 << 1) -#define LOAD_ARR (1 << 2) -#define CLR_PHA (1 << 3) -#define CLR_DIG (1 << 4) -#define ACLR_PHA (1 << 5) -#define ACLR_DIG (1 << 6) -#define LOAD_LRR (1 << 7) - -#define LSB_FST (1) -#define SDIO_IPT (1 << 1) -#define EXT_PWD (1 << 3) -#define ADAC_PWD (1 << 4) -#define REFCLK_PWD (1 << 5) -#define DAC_PWD (1 << 6) -#define DIG_PWD (1 << 7) - -#define ENA_AMP (1) -#define READ_FTW (1) -#define DIGR_LOW (1 << 1) -#define DIGR_HIGH (1 << 2) -#define DIGR_ENA (1 << 3) -#define SYNCCLK_ENA (1 << 6) -#define ITER_IOUPD (1 << 7) - -#define TX_ENA (1 << 1) -#define PDCLK_INV (1 << 2) -#define PDCLK_ENB (1 << 3) - -#define PARA_ENA (1 << 4) -#define SYNC_DIS (1 << 5) -#define DATA_ASS (1 << 6) -#define MATCH_ENA (1 << 7) - -#define PLL_ENA (1) -#define PFD_RST (1 << 2) -#define REFCLK_RST (1 << 6) -#define REFCLK_BYP (1 << 7) - -/* Register format: 1 byte addr + value */ -struct ad9910_config { - u8 auxdac[5]; - u8 ioupd[5]; - u8 ftw[5]; - u8 pow[3]; - u8 asf[5]; - u8 multc[5]; - u8 dig_rampl[9]; - u8 dig_ramps[9]; - u8 dig_rampr[5]; - u8 sin_tonep0[9]; - u8 sin_tonep1[9]; - u8 sin_tonep2[9]; - u8 sin_tonep3[9]; - u8 sin_tonep4[9]; - u8 sin_tonep5[9]; - u8 sin_tonep6[9]; - u8 sin_tonep7[9]; -}; - -struct ad9910_state { - struct mutex lock; - struct spi_device *sdev; -}; - -static ssize_t ad9910_set_parameter(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct spi_message msg; - struct spi_transfer xfer; - int ret; - struct ad9910_config *config = (struct ad9910_config *)buf; - struct iio_dev *idev = dev_get_drvdata(dev); - struct ad9910_state *st = iio_priv(idev); - - xfer.len = 5; - xfer.tx_buf = &config->auxdac[0]; - mutex_lock(&st->lock); - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 5; - xfer.tx_buf = &config->ioupd[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 5; - xfer.tx_buf = &config->ftw[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 3; - xfer.tx_buf = &config->pow[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 5; - xfer.tx_buf = &config->asf[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 5; - xfer.tx_buf = &config->multc[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 9; - xfer.tx_buf = &config->dig_rampl[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 9; - xfer.tx_buf = &config->dig_ramps[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 5; - xfer.tx_buf = &config->dig_rampr[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 9; - xfer.tx_buf = &config->sin_tonep0[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 9; - xfer.tx_buf = &config->sin_tonep1[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 9; - xfer.tx_buf = &config->sin_tonep2[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - xfer.len = 9; - xfer.tx_buf = &config->sin_tonep3[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 9; - xfer.tx_buf = &config->sin_tonep4[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 9; - xfer.tx_buf = &config->sin_tonep5[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 9; - xfer.tx_buf = &config->sin_tonep6[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 9; - xfer.tx_buf = &config->sin_tonep7[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; -error_ret: - mutex_unlock(&st->lock); - - return ret ? ret : len; -} - -static IIO_DEVICE_ATTR(dds, S_IWUSR, NULL, ad9910_set_parameter, 0); - -static void ad9910_init(struct ad9910_state *st) -{ - struct spi_message msg; - struct spi_transfer xfer; - int ret; - u8 cfr[5]; - - cfr[0] = CFR1; - cfr[1] = 0; - cfr[2] = MANUAL_OSK | INVSIC | DDS_SINEOP; - cfr[3] = AUTO_OSK | OSKEN | ACLR_PHA | ACLR_DIG | LOAD_LRR; - cfr[4] = 0; - - mutex_lock(&st->lock); - - xfer.len = 5; - xfer.tx_buf = 𝔠 - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - cfr[0] = CFR2; - cfr[1] = ENA_AMP; - cfr[2] = READ_FTW | DIGR_ENA | ITER_IOUPD; - cfr[3] = TX_ENA | PDCLK_INV | PDCLK_ENB; - cfr[4] = PARA_ENA; - - xfer.len = 5; - xfer.tx_buf = 𝔠 - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - cfr[0] = CFR3; - cfr[1] = PLL_ENA; - cfr[2] = 0; - cfr[3] = REFCLK_RST | REFCLK_BYP; - cfr[4] = 0; - - xfer.len = 5; - xfer.tx_buf = 𝔠 - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - -error_ret: - mutex_unlock(&st->lock); - - - -} - -static struct attribute *ad9910_attributes[] = { - &iio_dev_attr_dds.dev_attr.attr, - NULL, -}; - -static const struct attribute_group ad9910_attribute_group = { - .attrs = ad9910_attributes, -}; - -static const struct iio_info ad9910_info = { - .attrs = &ad9910_attribute_group, - .driver_module = THIS_MODULE, -}; - -static int __devinit ad9910_probe(struct spi_device *spi) -{ - struct ad9910_state *st; - struct iio_dev *idev; - int ret = 0; - - idev = iio_allocate_device(sizeof(*st)); - if (idev == NULL) { - ret = -ENOMEM; - goto error_ret; - } - spi_set_drvdata(spi, idev); - st = iio_priv(idev); - mutex_init(&st->lock); - st->sdev = spi; - - idev->dev.parent = &spi->dev; - idev->info = &ad9910_info; - idev->modes = INDIO_DIRECT_MODE; - - ret = iio_device_register(idev); - if (ret) - goto error_free_dev; - spi->max_speed_hz = 2000000; - spi->mode = SPI_MODE_3; - spi->bits_per_word = 8; - spi_setup(spi); - ad9910_init(st); - return 0; - -error_free_dev: - iio_free_device(idev); -error_ret: - return ret; -} - -static int __devexit ad9910_remove(struct spi_device *spi) -{ - iio_device_unregister(spi_get_drvdata(spi)); - iio_free_device(spi_get_drvdata(spi)); - - return 0; -} - -static struct spi_driver ad9910_driver = { - .driver = { - .name = DRV_NAME, - .owner = THIS_MODULE, - }, - .probe = ad9910_probe, - .remove = __devexit_p(ad9910_remove), -}; -module_spi_driver(ad9910_driver); - -MODULE_AUTHOR("Cliff Cai"); -MODULE_DESCRIPTION("Analog Devices ad9910 driver"); -MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("spi:" DRV_NAME); diff --git a/drivers/staging/iio/dds/ad9951.c b/drivers/staging/iio/dds/ad9951.c deleted file mode 100644 index 4d150048002a..000000000000 --- a/drivers/staging/iio/dds/ad9951.c +++ /dev/null @@ -1,232 +0,0 @@ -/* - * Driver for ADI Direct Digital Synthesis ad9951 - * - * Copyright (c) 2010 Analog Devices Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ -#include <linux/types.h> -#include <linux/mutex.h> -#include <linux/device.h> -#include <linux/spi/spi.h> -#include <linux/slab.h> -#include <linux/sysfs.h> -#include <linux/module.h> - -#include "../iio.h" -#include "../sysfs.h" - -#define DRV_NAME "ad9951" - -#define CFR1 0x0 -#define CFR2 0x1 - -#define AUTO_OSK (1) -#define OSKEN (1 << 1) -#define LOAD_ARR (1 << 2) - -#define AUTO_SYNC (1 << 7) - -#define LSB_FST (1) -#define SDIO_IPT (1 << 1) -#define CLR_PHA (1 << 2) -#define SINE_OPT (1 << 4) -#define ACLR_PHA (1 << 5) - -#define VCO_RANGE (1 << 2) - -#define CRS_OPT (1 << 1) -#define HMANU_SYNC (1 << 2) -#define HSPD_SYNC (1 << 3) - -/* Register format: 1 byte addr + value */ -struct ad9951_config { - u8 asf[3]; - u8 arr[2]; - u8 ftw0[5]; - u8 ftw1[3]; -}; - -struct ad9951_state { - struct mutex lock; - struct spi_device *sdev; -}; - -static ssize_t ad9951_set_parameter(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct spi_message msg; - struct spi_transfer xfer; - int ret; - struct ad9951_config *config = (struct ad9951_config *)buf; - struct iio_dev *idev = dev_get_drvdata(dev); - struct ad9951_state *st = iio_priv(idev); - - xfer.len = 3; - xfer.tx_buf = &config->asf[0]; - mutex_lock(&st->lock); - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 2; - xfer.tx_buf = &config->arr[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 5; - xfer.tx_buf = &config->ftw0[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - xfer.len = 3; - xfer.tx_buf = &config->ftw1[0]; - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; -error_ret: - mutex_unlock(&st->lock); - - return ret ? ret : len; -} - -static IIO_DEVICE_ATTR(dds, S_IWUSR, NULL, ad9951_set_parameter, 0); - -static void ad9951_init(struct ad9951_state *st) -{ - struct spi_message msg; - struct spi_transfer xfer; - int ret; - u8 cfr[5]; - - cfr[0] = CFR1; - cfr[1] = 0; - cfr[2] = LSB_FST | CLR_PHA | SINE_OPT | ACLR_PHA; - cfr[3] = AUTO_OSK | OSKEN | LOAD_ARR; - cfr[4] = 0; - - mutex_lock(&st->lock); - - xfer.len = 5; - xfer.tx_buf = 𝔠 - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - - cfr[0] = CFR2; - cfr[1] = VCO_RANGE; - cfr[2] = HSPD_SYNC; - cfr[3] = 0; - - xfer.len = 4; - xfer.tx_buf = 𝔠 - - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); - if (ret) - goto error_ret; - -error_ret: - mutex_unlock(&st->lock); - - - -} - -static struct attribute *ad9951_attributes[] = { - &iio_dev_attr_dds.dev_attr.attr, - NULL, -}; - -static const struct attribute_group ad9951_attribute_group = { - .attrs = ad9951_attributes, -}; - -static const struct iio_info ad9951_info = { - .attrs = &ad9951_attribute_group, - .driver_module = THIS_MODULE, -}; - -static int __devinit ad9951_probe(struct spi_device *spi) -{ - struct ad9951_state *st; - struct iio_dev *idev; - int ret = 0; - - idev = iio_allocate_device(sizeof(*st)); - if (idev == NULL) { - ret = -ENOMEM; - goto error_ret; - } - spi_set_drvdata(spi, idev); - st = iio_priv(idev); - mutex_init(&st->lock); - st->sdev = spi; - - idev->dev.parent = &spi->dev; - - idev->info = &ad9951_info; - idev->modes = INDIO_DIRECT_MODE; - - ret = iio_device_register(idev); - if (ret) - goto error_free_dev; - spi->max_speed_hz = 2000000; - spi->mode = SPI_MODE_3; - spi->bits_per_word = 8; - spi_setup(spi); - ad9951_init(st); - return 0; - -error_free_dev: - iio_free_device(idev); - -error_ret: - return ret; -} - -static int __devexit ad9951_remove(struct spi_device *spi) -{ - iio_device_unregister(spi_get_drvdata(spi)); - iio_free_device(spi_get_drvdata(spi)); - - return 0; -} - -static struct spi_driver ad9951_driver = { - .driver = { - .name = DRV_NAME, - .owner = THIS_MODULE, - }, - .probe = ad9951_probe, - .remove = __devexit_p(ad9951_remove), -}; -module_spi_driver(ad9951_driver); - -MODULE_AUTHOR("Cliff Cai"); -MODULE_DESCRIPTION("Analog Devices ad9951 driver"); -MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("spi:" DRV_NAME); diff --git a/drivers/staging/iio/dds/dds.h b/drivers/staging/iio/dds/dds.h deleted file mode 100644 index d8ac3a93baf6..000000000000 --- a/drivers/staging/iio/dds/dds.h +++ /dev/null @@ -1,110 +0,0 @@ -/* - * dds.h - sysfs attributes associated with DDS devices - * - * Copyright (c) 2010 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -/** - * /sys/bus/iio/devices/.../ddsX_freqY - */ - -#define IIO_DEV_ATTR_FREQ(_channel, _num, _mode, _show, _store, _addr) \ - IIO_DEVICE_ATTR(dds##_channel##_freq##_num, \ - _mode, _show, _store, _addr) - -/** - * /sys/bus/iio/devices/.../ddsX_freqY_scale - */ - -#define IIO_CONST_ATTR_FREQ_SCALE(_channel, _string) \ - IIO_CONST_ATTR(dds##_channel##_freq_scale, _string) - -/** - * /sys/bus/iio/devices/.../ddsX_freqsymbol - */ - -#define IIO_DEV_ATTR_FREQSYMBOL(_channel, _mode, _show, _store, _addr) \ - IIO_DEVICE_ATTR(dds##_channel##_freqsymbol, \ - _mode, _show, _store, _addr); - -/** - * /sys/bus/iio/devices/.../ddsX_phaseY - */ - -#define IIO_DEV_ATTR_PHASE(_channel, _num, _mode, _show, _store, _addr) \ - IIO_DEVICE_ATTR(dds##_channel##_phase##_num, \ - _mode, _show, _store, _addr) - -/** - * /sys/bus/iio/devices/.../ddsX_phaseY_scale - */ - -#define IIO_CONST_ATTR_PHASE_SCALE(_channel, _string) \ - IIO_CONST_ATTR(dds##_channel##_phase_scale, _string) - -/** - * /sys/bus/iio/devices/.../ddsX_phasesymbol - */ - -#define IIO_DEV_ATTR_PHASESYMBOL(_channel, _mode, _show, _store, _addr) \ - IIO_DEVICE_ATTR(dds##_channel##_phasesymbol, \ - _mode, _show, _store, _addr); - -/** - * /sys/bus/iio/devices/.../ddsX_pincontrol_en - */ - -#define IIO_DEV_ATTR_PINCONTROL_EN(_channel, _mode, _show, _store, _addr)\ - IIO_DEVICE_ATTR(dds##_channel##_pincontrol_en, \ - _mode, _show, _store, _addr); - -/** - * /sys/bus/iio/devices/.../ddsX_pincontrol_freq_en - */ - -#define IIO_DEV_ATTR_PINCONTROL_FREQ_EN(_channel, _mode, _show, _store, _addr)\ - IIO_DEVICE_ATTR(dds##_channel##_pincontrol_freq_en, \ - _mode, _show, _store, _addr); - -/** - * /sys/bus/iio/devices/.../ddsX_pincontrol_phase_en - */ - -#define IIO_DEV_ATTR_PINCONTROL_PHASE_EN(_channel, _mode, _show, _store, _addr)\ - IIO_DEVICE_ATTR(dds##_channel##_pincontrol_phase_en, \ - _mode, _show, _store, _addr); - -/** - * /sys/bus/iio/devices/.../ddsX_out_enable - */ - -#define IIO_DEV_ATTR_OUT_ENABLE(_channel, _mode, _show, _store, _addr) \ - IIO_DEVICE_ATTR(dds##_channel##_out_enable, \ - _mode, _show, _store, _addr); - -/** - * /sys/bus/iio/devices/.../ddsX_outY_enable - */ - -#define IIO_DEV_ATTR_OUTY_ENABLE(_channel, _output, \ - _mode, _show, _store, _addr) \ - IIO_DEVICE_ATTR(dds##_channel##_out##_output##_enable, \ - _mode, _show, _store, _addr); - -/** - * /sys/bus/iio/devices/.../ddsX_outY_wavetype - */ - -#define IIO_DEV_ATTR_OUT_WAVETYPE(_channel, _output, _store, _addr) \ - IIO_DEVICE_ATTR(dds##_channel##_out##_output##_wavetype, \ - S_IWUSR, NULL, _store, _addr); - -/** - * /sys/bus/iio/devices/.../ddsX_outY_wavetype_available - */ - -#define IIO_CONST_ATTR_OUT_WAVETYPES_AVAILABLE(_channel, _output, _modes)\ - IIO_CONST_ATTR(dds##_channel##_out##_output##_wavetype_available,\ - _modes); 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