Mainly motivated by wish to remove the remaing users of the
scan helpers.
Some minor cleanups done whilst here.
Untested.
Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxx>
---
drivers/staging/iio/accel/adis16201.h | 4 +-
drivers/staging/iio/accel/adis16201_core.c | 454 +++++++++++--------------
drivers/staging/iio/accel/adis16201_ring.c | 87 +----
drivers/staging/iio/accel/adis16201_trigger.c | 3 +-
4 files changed, 220 insertions(+), 328 deletions(-)
diff --git a/drivers/staging/iio/accel/adis16201.h b/drivers/staging/iio/accel/adis16201.h
index 6296a4f..0b9b854 100644
--- a/drivers/staging/iio/accel/adis16201.h
+++ b/drivers/staging/iio/accel/adis16201.h
@@ -79,7 +79,7 @@ struct adis16201_state {
struct mutex buf_lock;
};
-int adis16201_set_irq(struct device *dev, bool enable);
+int adis16201_set_irq(struct iio_dev *indio_dev, bool enable);
#ifdef CONFIG_IIO_RING_BUFFER
enum adis16201_scan {
@@ -102,8 +102,6 @@ ssize_t adis16201_read_data_from_ring(struct device *dev,
int adis16201_configure_ring(struct iio_dev *indio_dev);
void adis16201_unconfigure_ring(struct iio_dev *indio_dev);
-int adis16201_initialize_ring(struct iio_ring_buffer *ring);
-void adis16201_uninitialize_ring(struct iio_ring_buffer *ring);
#else /* CONFIG_IIO_RING_BUFFER */
static inline void adis16201_remove_trigger(struct iio_dev *indio_dev)
diff --git a/drivers/staging/iio/accel/adis16201_core.c b/drivers/staging/iio/accel/adis16201_core.c
index f45eb8f..7832b68 100644
--- a/drivers/staging/iio/accel/adis16201_core.c
+++ b/drivers/staging/iio/accel/adis16201_core.c
@@ -6,9 +6,6 @@
* Licensed under the GPL-2 or later.
*/
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/mutex.h>
#include <linux/device.h>
@@ -16,20 +13,28 @@
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
-#include <linux/list.h>
#include "../iio.h"
#include "../sysfs.h"
+#include "../ring_generic.h"
+
#include "accel.h"
#include "inclinometer.h"
-#include "../gyro/gyro.h"
#include "../adc/adc.h"
#include "adis16201.h"
#define DRIVER_NAME "adis16201"
-static int adis16201_check_status(struct device *dev);
+enum adis16201_chan {
+ in_supply,
+ temp,
+ accel_x,
+ accel_y,
+ incli_x,
+ incli_y,
+ in_aux,
+};
/**
* adis16201_spi_write_reg_8() - write single byte to a register
@@ -57,18 +62,17 @@ static int adis16201_spi_write_reg_8(struct device *dev,
/**
* adis16201_spi_write_reg_16() - write 2 bytes to a pair of registers
- * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @indio_dev: iio device associated with child of actual device
* @reg_address: the address of the lower of the two registers. Second register
* is assumed to have address one greater.
* @val: value to be written
**/
-static int adis16201_spi_write_reg_16(struct device *dev,
- u8 lower_reg_address,
- u16 value)
+static int adis16201_spi_write_reg_16(struct iio_dev *indio_dev,
+ u8 lower_reg_address,
+ u16 value)
{
int ret;
struct spi_message msg;
- struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct adis16201_state *st = iio_dev_get_devdata(indio_dev);
struct spi_transfer xfers[] = {
{
@@ -80,7 +84,6 @@ static int adis16201_spi_write_reg_16(struct device *dev,
.tx_buf = st->tx + 2,
.bits_per_word = 8,
.len = 2,
- .cs_change = 1,
},
};
@@ -101,17 +104,16 @@ static int adis16201_spi_write_reg_16(struct device *dev,
/**
* adis16201_spi_read_reg_16() - read 2 bytes from a 16-bit register
- * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @indio_dev: iio device associated with child of actual device
* @reg_address: the address of the lower of the two registers. Second register
* is assumed to have address one greater.
* @val: somewhere to pass back the value read
**/
-static int adis16201_spi_read_reg_16(struct device *dev,
+static int adis16201_spi_read_reg_16(struct iio_dev *indio_dev,
u8 lower_reg_address,
u16 *val)
{
struct spi_message msg;
- struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct adis16201_state *st = iio_dev_get_devdata(indio_dev);
int ret;
struct spi_transfer xfers[] = {
@@ -125,7 +127,6 @@ static int adis16201_spi_read_reg_16(struct device *dev,
.rx_buf = st->rx,
.bits_per_word = 8,
.len = 2,
- .cs_change = 1,
.delay_usecs = 20,
},
};
@@ -150,160 +151,6 @@ error_ret:
return ret;
}
-static ssize_t adis16201_read_12bit_unsigned(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- int ret;
- u16 val = 0;
- struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
-
- ret = adis16201_spi_read_reg_16(dev, this_attr->address, &val);
- if (ret)
- return ret;
-
- if (val & ADIS16201_ERROR_ACTIVE) {
- ret = adis16201_check_status(dev);
- if (ret)
- return ret;
- }
-
- return sprintf(buf, "%u\n", val & 0x0FFF);
-}
-
-static ssize_t adis16201_read_temp(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct iio_dev *indio_dev = dev_get_drvdata(dev);
- ssize_t ret;
- u16 val;
-
- /* Take the iio_dev status lock */
- mutex_lock(&indio_dev->mlock);
-
- ret = adis16201_spi_read_reg_16(dev, ADIS16201_TEMP_OUT, (u16 *)&val);
- if (ret)
- goto error_ret;
-
- if (val & ADIS16201_ERROR_ACTIVE) {
- ret = adis16201_check_status(dev);
- if (ret)
- goto error_ret;
- }
-
- val &= 0xFFF;
- ret = sprintf(buf, "%d\n", val);
-
-error_ret:
- mutex_unlock(&indio_dev->mlock);
- return ret;
-}
-
-static ssize_t adis16201_read_9bit_signed(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct iio_dev *indio_dev = dev_get_drvdata(dev);
- struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
- s16 val = 0;
- ssize_t ret;
-
- mutex_lock(&indio_dev->mlock);
-
- ret = adis16201_spi_read_reg_16(dev, this_attr->address, (u16 *)&val);
- if (!ret) {
- if (val & ADIS16201_ERROR_ACTIVE) {
- ret = adis16201_check_status(dev);
- if (ret)
- goto error_ret;
- }
- val = ((s16)(val << 7) >> 7);
- ret = sprintf(buf, "%d\n", val);
- }
-
-error_ret:
- mutex_unlock(&indio_dev->mlock);
-
- return ret;
-}
-
-static ssize_t adis16201_read_12bit_signed(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct iio_dev *indio_dev = dev_get_drvdata(dev);
- struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
- s16 val = 0;
- ssize_t ret;
-
- mutex_lock(&indio_dev->mlock);
-
- ret = adis16201_spi_read_reg_16(dev, this_attr->address, (u16 *)&val);
- if (!ret) {
- if (val & ADIS16201_ERROR_ACTIVE) {
- ret = adis16201_check_status(dev);
- if (ret)
- goto error_ret;
- }
-
- val = ((s16)(val << 4) >> 4);
- ret = sprintf(buf, "%d\n", val);
- }
-
-error_ret:
- mutex_unlock(&indio_dev->mlock);
-
- return ret;
-}
-
-static ssize_t adis16201_read_14bit_signed(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct iio_dev *indio_dev = dev_get_drvdata(dev);
- struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
- s16 val = 0;
- ssize_t ret;
-
- mutex_lock(&indio_dev->mlock);
-
- ret = adis16201_spi_read_reg_16(dev, this_attr->address, (u16 *)&val);
- if (!ret) {
- if (val & ADIS16201_ERROR_ACTIVE) {
- ret = adis16201_check_status(dev);
- if (ret)
- goto error_ret;
- }
-
- val = ((s16)(val << 2) >> 2);
- ret = sprintf(buf, "%d\n", val);
- }
-
-error_ret:
- mutex_unlock(&indio_dev->mlock);
-
- return ret;
-}
-
-static ssize_t adis16201_write_16bit(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t len)
-{
- struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
- int ret;
- long val;
-
- ret = strict_strtol(buf, 10, &val);
- if (ret)
- goto error_ret;
- ret = adis16201_spi_write_reg_16(dev, this_attr->address, val);
-
-error_ret:
- return ret ? ret : len;
-}
-
static int adis16201_reset(struct device *dev)
{
int ret;
@@ -331,12 +178,12 @@ static ssize_t adis16201_write_reset(struct device *dev,
return -EINVAL;
}
-int adis16201_set_irq(struct device *dev, bool enable)
+int adis16201_set_irq(struct iio_dev *indio_dev, bool enable)
{
int ret = 0;
u16 msc;
- ret = adis16201_spi_read_reg_16(dev, ADIS16201_MSC_CTRL, &msc);
+ ret = adis16201_spi_read_reg_16(indio_dev, ADIS16201_MSC_CTRL, &msc);
if (ret)
goto error_ret;
@@ -347,20 +194,21 @@ int adis16201_set_irq(struct device *dev, bool enable)
else
msc &= ~ADIS16201_MSC_CTRL_DATA_RDY_EN;
- ret = adis16201_spi_write_reg_16(dev, ADIS16201_MSC_CTRL, msc);
+ ret = adis16201_spi_write_reg_16(indio_dev, ADIS16201_MSC_CTRL, msc);
error_ret:
return ret;
}
-static int adis16201_check_status(struct device *dev)
+static int adis16201_check_status(struct iio_dev *indio_dev)
{
u16 status;
int ret;
- ret = adis16201_spi_read_reg_16(dev, ADIS16201_DIAG_STAT, &status);
+ ret = adis16201_spi_read_reg_16(indio_dev,
+ ADIS16201_DIAG_STAT, &status);
if (ret < 0) {
- dev_err(dev, "Reading status failed\n");
+ dev_err(&indio_dev->dev, "Reading status failed\n");
goto error_ret;
}
ret = status & 0xF;
@@ -368,30 +216,30 @@ static int adis16201_check_status(struct device *dev)
ret = -EFAULT;
if (status & ADIS16201_DIAG_STAT_SPI_FAIL)
- dev_err(dev, "SPI failure\n");
+ dev_err(&indio_dev->dev, "SPI failure\n");
if (status & ADIS16201_DIAG_STAT_FLASH_UPT)
- dev_err(dev, "Flash update failed\n");
+ dev_err(&indio_dev->dev, "Flash update failed\n");
if (status & ADIS16201_DIAG_STAT_POWER_HIGH)
- dev_err(dev, "Power supply above 3.625V\n");
+ dev_err(&indio_dev->dev, "Power supply above 3.625V\n");
if (status & ADIS16201_DIAG_STAT_POWER_LOW)
- dev_err(dev, "Power supply below 3.15V\n");
+ dev_err(&indio_dev->dev, "Power supply below 3.15V\n");
error_ret:
return ret;
}
-static int adis16201_self_test(struct device *dev)
+static int adis16201_self_test(struct iio_dev *indio_dev)
{
int ret;
- ret = adis16201_spi_write_reg_16(dev,
+ ret = adis16201_spi_write_reg_16(indio_dev,
ADIS16201_MSC_CTRL,
ADIS16201_MSC_CTRL_SELF_TEST_EN);
if (ret) {
- dev_err(dev, "problem starting self test");
+ dev_err(&indio_dev->dev, "problem starting self test");
goto err_ret;
}
- ret = adis16201_check_status(dev);
+ ret = adis16201_check_status(indio_dev);
err_ret:
return ret;
@@ -403,26 +251,26 @@ static int adis16201_initial_setup(struct adis16201_state *st)
struct device *dev = &st->indio_dev->dev;
/* Disable IRQ */
- ret = adis16201_set_irq(dev, false);
+ ret = adis16201_set_irq(st->indio_dev, false);
if (ret) {
dev_err(dev, "disable irq failed");
goto err_ret;
}
/* Do self test */
- ret = adis16201_self_test(dev);
+ ret = adis16201_self_test(st->indio_dev);
if (ret) {
dev_err(dev, "self test failure");
goto err_ret;
}
/* Read status register to check the result */
- ret = adis16201_check_status(dev);
+ ret = adis16201_check_status(st->indio_dev);
if (ret) {
adis16201_reset(dev);
dev_err(dev, "device not playing ball -> reset");
msleep(ADIS16201_STARTUP_DELAY);
- ret = adis16201_check_status(dev);
+ ret = adis16201_check_status(st->indio_dev);
if (ret) {
dev_err(dev, "giving up");
goto err_ret;
@@ -436,66 +284,172 @@ err_ret:
return ret;
}
-static IIO_DEV_ATTR_IN_NAMED_RAW(0, supply, adis16201_read_12bit_unsigned,
- ADIS16201_SUPPLY_OUT);
-static IIO_CONST_ATTR(in0_supply_scale, "0.00122");
-static IIO_DEV_ATTR_IN_RAW(1, adis16201_read_12bit_unsigned,
- ADIS16201_AUX_ADC);
-static IIO_CONST_ATTR(in1_scale, "0.00061");
-
-static IIO_DEV_ATTR_ACCEL_X(adis16201_read_14bit_signed,
- ADIS16201_XACCL_OUT);
-static IIO_DEV_ATTR_ACCEL_Y(adis16201_read_14bit_signed,
- ADIS16201_YACCL_OUT);
-static IIO_DEV_ATTR_ACCEL_X_OFFSET(S_IWUSR | S_IRUGO,
- adis16201_read_12bit_signed,
- adis16201_write_16bit,
- ADIS16201_XACCL_OFFS);
-static IIO_DEV_ATTR_ACCEL_Y_OFFSET(S_IWUSR | S_IRUGO,
- adis16201_read_12bit_signed,
- adis16201_write_16bit,
- ADIS16201_YACCL_OFFS);
-static IIO_CONST_ATTR(accel_scale, "0.4625");
-
-static IIO_DEV_ATTR_INCLI_X(adis16201_read_14bit_signed,
- ADIS16201_XINCL_OUT);
-static IIO_DEV_ATTR_INCLI_Y(adis16201_read_14bit_signed,
- ADIS16201_YINCL_OUT);
-static IIO_DEV_ATTR_INCLI_X_OFFSET(S_IWUSR | S_IRUGO,
- adis16201_read_9bit_signed,
- adis16201_write_16bit,
- ADIS16201_XACCL_OFFS);
-static IIO_DEV_ATTR_INCLI_Y_OFFSET(S_IWUSR | S_IRUGO,
- adis16201_read_9bit_signed,
- adis16201_write_16bit,
- ADIS16201_YACCL_OFFS);
-static IIO_CONST_ATTR(incli_scale, "0.1");
-
-static IIO_DEV_ATTR_TEMP_RAW(adis16201_read_temp);
-static IIO_CONST_ATTR(temp_offset, "25");
-static IIO_CONST_ATTR(temp_scale, "-0.47");
+static u8 adis16201_addresses[7][2] = {
+ [in_supply] = { ADIS16201_SUPPLY_OUT, },
+ [temp] = { ADIS16201_TEMP_OUT },
+ [accel_x] = { ADIS16201_XACCL_OUT, ADIS16201_XACCL_OFFS },
+ [accel_y] = { ADIS16201_YACCL_OUT, ADIS16201_YACCL_OFFS },
+ [in_aux] = { ADIS16201_AUX_ADC },
+ [incli_x] = { ADIS16201_XINCL_OUT },
+ [incli_y] = { ADIS16201_YINCL_OUT },
+};
+
+static int adis16201_read_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int *val, int *val2,
+ long mask)
+{
+ int ret;
+ int bits;
+ u8 addr;
+ s16 val16;
+
+ switch (mask) {
+ case 0:
+ mutex_lock(&indio_dev->mlock);
+ addr = adis16201_addresses[chan->address][0];
+ ret = adis16201_spi_read_reg_16(indio_dev, addr, &val16);
+ if (ret)
+ return ret;
+
+ if (val16 & ADIS16201_ERROR_ACTIVE) {
+ ret = adis16201_check_status(indio_dev);
+ if (ret)
+ return ret;
+ }
+ val16 = val16 & ((1 << chan->scan_type.realbits) - 1);
+ if (chan->scan_type.sign == 's')
+ val16 = (s16)(val16 <<
+ (16 - chan->scan_type.realbits)) >>
+ (16 - chan->scan_type.realbits);
+ *val = val16;
+ mutex_unlock(&indio_dev->mlock);
+ return IIO_VAL_INT;
+ case (1 << IIO_CHAN_INFO_SCALE_SEPARATE):
+ case (1 << IIO_CHAN_INFO_SCALE_SHARED):
+ switch (chan->type) {
+ case IIO_IN:
+ *val = 0;
+ if (chan->channel == 0)
+ *val2 = 1220;
+ else
+ *val2 = 610;
+ return IIO_VAL_INT_PLUS_MICRO;
+ case IIO_TEMP:
+ *val = 0;
+ *val2 = -470000;
+ return IIO_VAL_INT_PLUS_MICRO;
+ case IIO_ACCEL:
+ *val = 0;
+ *val2 = 462500;
+ return IIO_VAL_INT_PLUS_MICRO;
+ case IIO_INCLI:
+ *val = 0;
+ *val2 = 100000;
+ return IIO_VAL_INT_PLUS_MICRO;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case (1 << IIO_CHAN_INFO_OFFSET_SEPARATE):
+ *val = 25;
+ return IIO_VAL_INT;
+ case (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE):
+ switch (chan->type) {
+ case IIO_ACCEL:
+ bits = 12;
+ break;
+ case IIO_INCLI:
+ bits = 9;
+ break;
+ default:
+ return -EINVAL;
+ };
+ mutex_lock(&indio_dev->mlock);
+ addr = adis16201_addresses[chan->address][1];
+ ret = adis16201_spi_read_reg_16(indio_dev, addr, &val16);
+ if (ret) {
+ mutex_unlock(&indio_dev->mlock);
+ return ret;
+ }
+ val16 &= (1 << bits) - 1;
+ val16 = (s16)(val16 << (16 - bits)) >> (16 - bits);
+ *val = val16;
+ mutex_unlock(&indio_dev->mlock);
+ return IIO_VAL_INT;
+ }
+ return -EINVAL;
+}
+
+static int adis16201_write_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int val,
+ int val2,
+ long mask)
+{
+ int bits;
+ s16 val16;
+ u8 addr;
+ switch (mask) {
+ case (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE):
+ switch (chan->type) {
+ case IIO_ACCEL:
+ bits = 12;
+ break;
+ case IIO_INCLI:
+ bits = 9;
+ break;
+ default:
+ return -EINVAL;
+ };
+ val16 = val & ((1 << bits) - 1);
+ addr = adis16201_addresses[chan->address][1];
+ return adis16201_spi_write_reg_16(indio_dev, addr, val16);
+ }
+ return -EINVAL;
+}
+
+static struct iio_chan_spec adis16201_channels[] = {
+ IIO_CHAN_EV(IIO_IN, 0,
+ (1 << IIO_CHAN_INFO_SCALE_SEPARATE),
+ in_supply, ADIS16201_SCAN_SUPPLY,
+ IIO_ST('u', 12, 16, 0), 0),
+ IIO_CHAN_EV(IIO_TEMP, 0,
+ (1 << IIO_CHAN_INFO_SCALE_SEPARATE) |
+ (1 << IIO_CHAN_INFO_OFFSET_SEPARATE),
+ temp, ADIS16201_SCAN_TEMP,
+ IIO_ST('u', 12, 16, 0), 0),
+ IIO_CHAN_EV(IIO_ACCEL, 'x',
+ (1 << IIO_CHAN_INFO_SCALE_SHARED) |
+ (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE),
+ accel_x, ADIS16201_SCAN_ACC_X,
+ IIO_ST('s', 14, 16, 0), 0),
+ IIO_CHAN_EV(IIO_ACCEL, 'y',
+ (1 << IIO_CHAN_INFO_SCALE_SHARED) |
+ (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE),
+ accel_y, ADIS16201_SCAN_ACC_Y,
+ IIO_ST('s', 14, 16, 0), 0),
+ IIO_CHAN_EV(IIO_IN, 1,
+ (1 << IIO_CHAN_INFO_SCALE_SEPARATE),
+ in_aux, ADIS16201_SCAN_AUX_ADC,
+ IIO_ST('u', 12, 16, 0), 0),
+ IIO_CHAN_EV(IIO_INCLI, 'x',
+ (1 << IIO_CHAN_INFO_SCALE_SHARED) |
+ (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE),
+ incli_x, ADIS16201_SCAN_INCLI_X,
+ IIO_ST('s', 14, 16, 0), 0),
+ IIO_CHAN_EV(IIO_INCLI, 'y',
+ (1 << IIO_CHAN_INFO_SCALE_SHARED) |
+ (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE),
+ incli_y, ADIS16201_SCAN_INCLI_Y,
+ IIO_ST('s', 14, 16, 0), 0),
+ IIO_CHAN_SOFT_TIMESTAMP(7)
+};
static IIO_DEVICE_ATTR(reset, S_IWUSR, NULL, adis16201_write_reset, 0);
static struct attribute *adis16201_attributes[] = {
- &iio_dev_attr_in0_supply_raw.dev_attr.attr,
- &iio_const_attr_in0_supply_scale.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_reset.dev_attr.attr,
- &iio_dev_attr_in1_raw.dev_attr.attr,
- &iio_const_attr_in1_scale.dev_attr.attr,
- &iio_dev_attr_accel_x_raw.dev_attr.attr,
- &iio_dev_attr_accel_y_raw.dev_attr.attr,
- &iio_dev_attr_accel_x_offset.dev_attr.attr,
- &iio_dev_attr_accel_y_offset.dev_attr.attr,
- &iio_const_attr_accel_scale.dev_attr.attr,
- &iio_dev_attr_incli_x_raw.dev_attr.attr,
- &iio_dev_attr_incli_y_raw.dev_attr.attr,
- &iio_dev_attr_incli_x_offset.dev_attr.attr,
- &iio_dev_attr_incli_y_offset.dev_attr.attr,
- &iio_const_attr_incli_scale.dev_attr.attr,
NULL
};
@@ -537,6 +491,10 @@ static int __devinit adis16201_probe(struct spi_device *spi)
st->indio_dev->name = spi->dev.driver->name;
st->indio_dev->dev.parent = &spi->dev;
st->indio_dev->attrs = &adis16201_attribute_group;
+ st->indio_dev->channels = adis16201_channels;
+ st->indio_dev->num_channels = ARRAY_SIZE(adis16201_channels);
+ st->indio_dev->read_raw = &adis16201_read_raw;
+ st->indio_dev->write_raw = &adis16201_write_raw;
st->indio_dev->dev_data = (void *)(st);
st->indio_dev->driver_module = THIS_MODULE;
st->indio_dev->modes = INDIO_DIRECT_MODE;
@@ -550,7 +508,9 @@ static int __devinit adis16201_probe(struct spi_device *spi)
goto error_unreg_ring_funcs;
regdone = 1;
- ret = adis16201_initialize_ring(st->indio_dev->ring);
+ ret = iio_ring_buffer_register_ex(st->indio_dev->ring, 0,
+ adis16201_channels,
+ ARRAY_SIZE(adis16201_channels));
if (ret) {
printk(KERN_ERR "failed to initialize the ring\n");
goto error_unreg_ring_funcs;
@@ -571,7 +531,7 @@ static int __devinit adis16201_probe(struct spi_device *spi)
error_remove_trigger:
adis16201_remove_trigger(st->indio_dev);
error_uninitialize_ring:
- adis16201_uninitialize_ring(st->indio_dev->ring);
+ iio_ring_buffer_unregister(st->indio_dev->ring);
error_unreg_ring_funcs:
adis16201_unconfigure_ring(st->indio_dev);
error_free_dev:
@@ -594,10 +554,8 @@ static int adis16201_remove(struct spi_device *spi)
struct adis16201_state *st = spi_get_drvdata(spi);
struct iio_dev *indio_dev = st->indio_dev;
- flush_scheduled_work();
-
adis16201_remove_trigger(indio_dev);
- adis16201_uninitialize_ring(indio_dev->ring);
+ iio_ring_buffer_unregister(indio_dev->ring);
iio_device_unregister(indio_dev);
adis16201_unconfigure_ring(indio_dev);
kfree(st->tx);
diff --git a/drivers/staging/iio/accel/adis16201_ring.c b/drivers/staging/iio/accel/adis16201_ring.c
index d0998b2..5405a38 100644
--- a/drivers/staging/iio/accel/adis16201_ring.c
+++ b/drivers/staging/iio/accel/adis16201_ring.c
@@ -1,14 +1,11 @@
#include <linux/interrupt.h>
#include <linux/irq.h>
-#include <linux/gpio.h>
-#include <linux/workqueue.h>
#include <linux/mutex.h>
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
-#include <linux/list.h>
#include "../iio.h"
#include "../sysfs.h"
@@ -17,63 +14,15 @@
#include "../trigger.h"
#include "adis16201.h"
-static IIO_SCAN_EL_C(in_supply, ADIS16201_SCAN_SUPPLY, ADIS16201_SUPPLY_OUT, NULL);
-static IIO_CONST_ATTR_SCAN_EL_TYPE(in_supply, u, 12, 16);
-static IIO_SCAN_EL_C(accel_x, ADIS16201_SCAN_ACC_X, ADIS16201_XACCL_OUT, NULL);
-static IIO_SCAN_EL_C(accel_y, ADIS16201_SCAN_ACC_Y, ADIS16201_YACCL_OUT, NULL);
-static IIO_CONST_ATTR_SCAN_EL_TYPE(accel, s, 14, 16);
-static IIO_SCAN_EL_C(in0, ADIS16201_SCAN_AUX_ADC, ADIS16201_AUX_ADC, NULL);
-static IIO_CONST_ATTR_SCAN_EL_TYPE(in0, u, 12, 16);
-static IIO_SCAN_EL_C(temp, ADIS16201_SCAN_TEMP, ADIS16201_TEMP_OUT, NULL);
-static IIO_CONST_ATTR_SCAN_EL_TYPE(temp, u, 12, 16);
-static IIO_SCAN_EL_C(incli_x, ADIS16201_SCAN_INCLI_X,
- ADIS16201_XINCL_OUT, NULL);
-static IIO_SCAN_EL_C(incli_y, ADIS16201_SCAN_INCLI_Y,
- ADIS16201_YINCL_OUT, NULL);
-static IIO_CONST_ATTR_SCAN_EL_TYPE(incli, s, 14, 16);
-static IIO_SCAN_EL_TIMESTAMP(7);
-static IIO_CONST_ATTR_SCAN_EL_TYPE(timestamp, s, 64, 64);
-
-static struct attribute *adis16201_scan_el_attrs[] = {
- &iio_scan_el_in_supply.dev_attr.attr,
- &iio_const_attr_in_supply_index.dev_attr.attr,
- &iio_const_attr_in_supply_type.dev_attr.attr,
- &iio_scan_el_accel_x.dev_attr.attr,
- &iio_const_attr_accel_x_index.dev_attr.attr,
- &iio_scan_el_accel_y.dev_attr.attr,
- &iio_const_attr_accel_y_index.dev_attr.attr,
- &iio_const_attr_accel_type.dev_attr.attr,
- &iio_scan_el_in0.dev_attr.attr,
- &iio_const_attr_in0_index.dev_attr.attr,
- &iio_const_attr_in0_type.dev_attr.attr,
- &iio_scan_el_temp.dev_attr.attr,
- &iio_const_attr_temp_index.dev_attr.attr,
- &iio_const_attr_temp_type.dev_attr.attr,
- &iio_scan_el_incli_x.dev_attr.attr,
- &iio_const_attr_incli_x_index.dev_attr.attr,
- &iio_scan_el_incli_y.dev_attr.attr,
- &iio_const_attr_incli_y_index.dev_attr.attr,
- &iio_const_attr_incli_type.dev_attr.attr,
- &iio_scan_el_timestamp.dev_attr.attr,
- &iio_const_attr_timestamp_index.dev_attr.attr,
- &iio_const_attr_timestamp_type.dev_attr.attr,
- NULL,
-};
-
-static struct attribute_group adis16201_scan_el_group = {
- .attrs = adis16201_scan_el_attrs,
- .name = "scan_elements",
-};
/**
* adis16201_read_ring_data() read data registers which will be placed into ring
* @dev: device associated with child of actual device (iio_dev or iio_trig)
* @rx: somewhere to pass back the value read
**/
-static int adis16201_read_ring_data(struct device *dev, u8 *rx)
+static int adis16201_read_ring_data(struct iio_dev *indio_dev, u8 *rx)
{
struct spi_message msg;
- struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct adis16201_state *st = iio_dev_get_devdata(indio_dev);
struct spi_transfer xfers[ADIS16201_OUTPUTS + 1];
int ret;
@@ -90,7 +39,8 @@ static int adis16201_read_ring_data(struct device *dev, u8 *rx)
xfers[i].len = 2;
xfers[i].delay_usecs = 20;
xfers[i].tx_buf = st->tx + 2 * i;
- st->tx[2 * i] = ADIS16201_READ_REG(ADIS16201_SUPPLY_OUT + 2 * i);
+ st->tx[2 * i] = ADIS16201_READ_REG(ADIS16201_SUPPLY_OUT +
+ 2 * i);
st->tx[2 * i + 1] = 0;
if (i >= 1)
xfers[i].rx_buf = rx + 2 * (i - 1);
@@ -127,7 +77,7 @@ static irqreturn_t adis16201_trigger_handler(int irq, void *p)
}
if (ring->scan_count)
- if (adis16201_read_ring_data(&st->indio_dev->dev, st->rx) >= 0)
+ if (adis16201_read_ring_data(st->indio_dev, st->rx) >= 0)
for (; i < ring->scan_count; i++)
data[i] = be16_to_cpup(
(__be16 *)&(st->rx[i*2]));
@@ -136,9 +86,7 @@ static irqreturn_t adis16201_trigger_handler(int irq, void *p)
if (ring->scan_timestamp)
*((s64 *)(data + ((i + 3)/4)*4)) = pf->timestamp;
- ring->access.store_to(ring,
- (u8 *)data,
- pf->timestamp);
+ ring->access.store_to(ring, (u8 *)data, pf->timestamp);
iio_trigger_notify_done(st->indio_dev->trig);
kfree(data);
@@ -167,7 +115,6 @@ int adis16201_configure_ring(struct iio_dev *indio_dev)
/* Effectively select the ring buffer implementation */
iio_ring_sw_register_funcs(&ring->access);
ring->bpe = 2;
- ring->scan_el_attrs = &adis16201_scan_el_group;
ring->scan_timestamp = true;
ring->preenable = &iio_sw_ring_preenable;
ring->postenable = &iio_triggered_ring_postenable;
@@ -175,13 +122,13 @@ int adis16201_configure_ring(struct iio_dev *indio_dev)
ring->owner = THIS_MODULE;
/* Set default scan mode */
- iio_scan_mask_set(ring, iio_scan_el_in_supply.number);
- iio_scan_mask_set(ring, iio_scan_el_accel_x.number);
- iio_scan_mask_set(ring, iio_scan_el_accel_y.number);
- iio_scan_mask_set(ring, iio_scan_el_temp.number);
- iio_scan_mask_set(ring, iio_scan_el_in0.number);
- iio_scan_mask_set(ring, iio_scan_el_incli_x.number);
- iio_scan_mask_set(ring, iio_scan_el_incli_y.number);
+ iio_scan_mask_set(ring, ADIS16201_SCAN_SUPPLY);
+ iio_scan_mask_set(ring, ADIS16201_SCAN_ACC_X);
+ iio_scan_mask_set(ring, ADIS16201_SCAN_ACC_Y);
+ iio_scan_mask_set(ring, ADIS16201_SCAN_AUX_ADC);
+ iio_scan_mask_set(ring, ADIS16201_SCAN_TEMP);
+ iio_scan_mask_set(ring, ADIS16201_SCAN_INCLI_X);
+ iio_scan_mask_set(ring, ADIS16201_SCAN_INCLI_Y);
indio_dev->pollfunc = kzalloc(sizeof(*indio_dev->pollfunc), GFP_KERNEL);
if (indio_dev->pollfunc == NULL) {
@@ -207,13 +154,3 @@ error_iio_sw_rb_free:
iio_sw_rb_free(indio_dev->ring);
return ret;
}
-
-int adis16201_initialize_ring(struct iio_ring_buffer *ring)
-{
- return iio_ring_buffer_register(ring, 0);
-}
-
-void adis16201_uninitialize_ring(struct iio_ring_buffer *ring)
-{
- iio_ring_buffer_unregister(ring);
-}
diff --git a/drivers/staging/iio/accel/adis16201_trigger.c b/drivers/staging/iio/accel/adis16201_trigger.c
index a4fb410..bfd43c5 100644
--- a/drivers/staging/iio/accel/adis16201_trigger.c
+++ b/drivers/staging/iio/accel/adis16201_trigger.c
@@ -4,7 +4,6 @@
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/sysfs.h>
-#include <linux/list.h>
#include <linux/spi/spi.h>
#include "../iio.h"
@@ -33,7 +32,7 @@ static int adis16201_data_rdy_trigger_set_state(struct iio_trigger *trig,
struct iio_dev *indio_dev = st->indio_dev;
dev_dbg(&indio_dev->dev, "%s (%d)\n", __func__, state);
- return adis16201_set_irq(&st->indio_dev->dev, state);
+ return adis16201_set_irq(st->indio_dev, state);
}
int adis16201_probe_trigger(struct iio_dev *indio_dev)
--
1.7.3.4
--
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