staging:iio:imu remove adis16300 driver.
authorJonathan Cameron <jic23@cam.ac.uk>
Wed, 18 May 2011 13:41:31 +0000 (14:41 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Thu, 19 May 2011 23:14:51 +0000 (16:14 -0700)
Support is now provided by the unified adis16400 driver.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/staging/iio/imu/Kconfig
drivers/staging/iio/imu/Makefile
drivers/staging/iio/imu/adis16300.h [deleted file]
drivers/staging/iio/imu/adis16300_core.c [deleted file]
drivers/staging/iio/imu/adis16300_ring.c [deleted file]
drivers/staging/iio/imu/adis16300_trigger.c [deleted file]

index 082614d8b1faff4a878847fe2c3ce6a96367302e..e0e01446117e3b17201b06b4516e2c3c8bb49cb1 100644 (file)
@@ -3,15 +3,6 @@
 #
 comment "Inertial measurement units"
 
-config ADIS16300
-       tristate "Analog Devices ADIS16300 IMU SPI driver"
-       depends on SPI
-       select IIO_SW_RING if IIO_RING_BUFFER
-       select IIO_TRIGGER if IIO_RING_BUFFER
-       help
-         Say yes here to build support for Analog Devices adis16300 four degrees
-         of freedom inertial sensor.
-
 config ADIS16400
        tristate "Analog Devices ADIS16400 and similar IMU SPI driver"
        depends on SPI
index de6b1e787deeb1f4ef38d93e5a709061113982b3..d46a691912ed658dbf9e7d75d4ca4723e9a46b67 100644 (file)
@@ -2,10 +2,6 @@
 # Makefile for Inertial Measurement Units
 #
 
-adis16300-y             := adis16300_core.o
-adis16300-$(CONFIG_IIO_RING_BUFFER) += adis16300_ring.o adis16300_trigger.o
-obj-$(CONFIG_ADIS16300) += adis16300.o
-
 adis16400-y             := adis16400_core.o
 adis16400-$(CONFIG_IIO_RING_BUFFER) += adis16400_ring.o adis16400_trigger.o
 obj-$(CONFIG_ADIS16400) += adis16400.o
diff --git a/drivers/staging/iio/imu/adis16300.h b/drivers/staging/iio/imu/adis16300.h
deleted file mode 100644 (file)
index c095759..0000000
+++ /dev/null
@@ -1,184 +0,0 @@
-#ifndef SPI_ADIS16300_H_
-#define SPI_ADIS16300_H_
-
-#define ADIS16300_STARTUP_DELAY        220 /* ms */
-
-#define ADIS16300_READ_REG(a)    a
-#define ADIS16300_WRITE_REG(a) ((a) | 0x80)
-
-#define ADIS16300_FLASH_CNT  0x00 /* Flash memory write count */
-#define ADIS16300_SUPPLY_OUT 0x02 /* Power supply measurement */
-#define ADIS16300_XGYRO_OUT 0x04 /* X-axis gyroscope output */
-#define ADIS16300_XACCL_OUT 0x0A /* X-axis accelerometer output */
-#define ADIS16300_YACCL_OUT 0x0C /* Y-axis accelerometer output */
-#define ADIS16300_ZACCL_OUT 0x0E /* Z-axis accelerometer output */
-#define ADIS16300_TEMP_OUT  0x10 /* Temperature output */
-#define ADIS16300_XINCLI_OUT 0x12 /* X-axis inclinometer output measurement */
-#define ADIS16300_YINCLI_OUT 0x14 /* Y-axis inclinometer output measurement */
-#define ADIS16300_AUX_ADC   0x16 /* Auxiliary ADC measurement */
-
-/* Calibration parameters */
-#define ADIS16300_XGYRO_OFF 0x1A /* X-axis gyroscope bias offset factor */
-#define ADIS16300_XACCL_OFF 0x20 /* X-axis acceleration bias offset factor */
-#define ADIS16300_YACCL_OFF 0x22 /* Y-axis acceleration bias offset factor */
-#define ADIS16300_ZACCL_OFF 0x24 /* Z-axis acceleration bias offset factor */
-
-#define ADIS16300_GPIO_CTRL 0x32 /* Auxiliary digital input/output control */
-#define ADIS16300_MSC_CTRL  0x34 /* Miscellaneous control */
-#define ADIS16300_SMPL_PRD  0x36 /* Internal sample period (rate) control */
-#define ADIS16300_SENS_AVG  0x38 /* Dynamic range and digital filter control */
-#define ADIS16300_SLP_CNT   0x3A /* Sleep mode control */
-#define ADIS16300_DIAG_STAT 0x3C /* System status */
-
-/* Alarm functions */
-#define ADIS16300_GLOB_CMD  0x3E /* System command */
-#define ADIS16300_ALM_MAG1  0x26 /* Alarm 1 amplitude threshold */
-#define ADIS16300_ALM_MAG2  0x28 /* Alarm 2 amplitude threshold */
-#define ADIS16300_ALM_SMPL1 0x2A /* Alarm 1 sample size */
-#define ADIS16300_ALM_SMPL2 0x2C /* Alarm 2 sample size */
-#define ADIS16300_ALM_CTRL  0x2E /* Alarm control */
-#define ADIS16300_AUX_DAC   0x30 /* Auxiliary DAC data */
-
-#define ADIS16300_ERROR_ACTIVE                 (1<<14)
-#define ADIS16300_NEW_DATA                     (1<<15)
-
-/* MSC_CTRL */
-#define ADIS16300_MSC_CTRL_MEM_TEST            (1<<11)
-#define ADIS16300_MSC_CTRL_INT_SELF_TEST       (1<<10)
-#define ADIS16300_MSC_CTRL_NEG_SELF_TEST       (1<<9)
-#define ADIS16300_MSC_CTRL_POS_SELF_TEST       (1<<8)
-#define ADIS16300_MSC_CTRL_GYRO_BIAS           (1<<7)
-#define ADIS16300_MSC_CTRL_ACCL_ALIGN          (1<<6)
-#define ADIS16300_MSC_CTRL_DATA_RDY_EN         (1<<2)
-#define ADIS16300_MSC_CTRL_DATA_RDY_POL_HIGH   (1<<1)
-#define ADIS16300_MSC_CTRL_DATA_RDY_DIO2       (1<<0)
-
-/* SMPL_PRD */
-#define ADIS16300_SMPL_PRD_TIME_BASE   (1<<7)
-#define ADIS16300_SMPL_PRD_DIV_MASK    0x7F
-
-/* DIAG_STAT */
-#define ADIS16300_DIAG_STAT_ZACCL_FAIL (1<<15)
-#define ADIS16300_DIAG_STAT_YACCL_FAIL (1<<14)
-#define ADIS16300_DIAG_STAT_XACCL_FAIL (1<<13)
-#define ADIS16300_DIAG_STAT_XGYRO_FAIL (1<<10)
-#define ADIS16300_DIAG_STAT_ALARM2     (1<<9)
-#define ADIS16300_DIAG_STAT_ALARM1     (1<<8)
-#define ADIS16300_DIAG_STAT_FLASH_CHK  (1<<6)
-#define ADIS16300_DIAG_STAT_SELF_TEST  (1<<5)
-#define ADIS16300_DIAG_STAT_OVERFLOW   (1<<4)
-#define ADIS16300_DIAG_STAT_SPI_FAIL   (1<<3)
-#define ADIS16300_DIAG_STAT_FLASH_UPT  (1<<2)
-#define ADIS16300_DIAG_STAT_POWER_HIGH (1<<1)
-#define ADIS16300_DIAG_STAT_POWER_LOW  (1<<0)
-
-/* GLOB_CMD */
-#define ADIS16300_GLOB_CMD_SW_RESET    (1<<7)
-#define ADIS16300_GLOB_CMD_P_AUTO_NULL (1<<4)
-#define ADIS16300_GLOB_CMD_FLASH_UPD   (1<<3)
-#define ADIS16300_GLOB_CMD_DAC_LATCH   (1<<2)
-#define ADIS16300_GLOB_CMD_FAC_CALIB   (1<<1)
-#define ADIS16300_GLOB_CMD_AUTO_NULL   (1<<0)
-
-/* SLP_CNT */
-#define ADIS16300_SLP_CNT_POWER_OFF    (1<<8)
-
-#define ADIS16300_MAX_TX 18
-#define ADIS16300_MAX_RX 18
-
-#define ADIS16300_SPI_SLOW     (u32)(300 * 1000)
-#define ADIS16300_SPI_BURST    (u32)(1000 * 1000)
-#define ADIS16300_SPI_FAST     (u32)(2000 * 1000)
-
-/**
- * struct adis16300_state - device instance specific data
- * @us:                        actual spi_device
- * @work_trigger_to_ring: bh for triggered event handling
- * @inter:             used to check if new interrupt has been triggered
- * @last_timestamp:    passing timestamp from th to bh of interrupt handler
- * @indio_dev:         industrial I/O device structure
- * @trig:              data ready trigger registered with iio
- * @tx:                        transmit buffer
- * @rx:                        receive buffer
- * @buf_lock:          mutex to protect tx and rx
- **/
-struct adis16300_state {
-       struct spi_device               *us;
-       struct work_struct              work_trigger_to_ring;
-       s64                             last_timestamp;
-       struct iio_dev                  *indio_dev;
-       struct iio_trigger              *trig;
-       u8                              *tx;
-       u8                              *rx;
-       struct mutex                    buf_lock;
-};
-
-int adis16300_set_irq(struct device *dev, bool enable);
-
-#ifdef CONFIG_IIO_RING_BUFFER
-/* At the moment triggers are only used for ring buffer
- * filling. This may change!
- */
-
-#define ADIS16300_SCAN_SUPPLY  0
-#define ADIS16300_SCAN_GYRO_X  1
-#define ADIS16300_SCAN_ACC_X   2
-#define ADIS16300_SCAN_ACC_Y   3
-#define ADIS16300_SCAN_ACC_Z   4
-#define ADIS16300_SCAN_TEMP    5
-#define ADIS16300_SCAN_ADC_0   6
-#define ADIS16300_SCAN_INCLI_X 7
-#define ADIS16300_SCAN_INCLI_Y 8
-
-void adis16300_remove_trigger(struct iio_dev *indio_dev);
-int adis16300_probe_trigger(struct iio_dev *indio_dev);
-
-ssize_t adis16300_read_data_from_ring(struct device *dev,
-                                     struct device_attribute *attr,
-                                     char *buf);
-
-
-int adis16300_configure_ring(struct iio_dev *indio_dev);
-void adis16300_unconfigure_ring(struct iio_dev *indio_dev);
-
-int adis16300_initialize_ring(struct iio_ring_buffer *ring);
-void adis16300_uninitialize_ring(struct iio_ring_buffer *ring);
-#else /* CONFIG_IIO_RING_BUFFER */
-
-static inline void adis16300_remove_trigger(struct iio_dev *indio_dev)
-{
-}
-
-static inline int adis16300_probe_trigger(struct iio_dev *indio_dev)
-{
-       return 0;
-}
-
-static inline ssize_t
-adis16300_read_data_from_ring(struct device *dev,
-                             struct device_attribute *attr,
-                             char *buf)
-{
-       return 0;
-}
-
-static int adis16300_configure_ring(struct iio_dev *indio_dev)
-{
-       return 0;
-}
-
-static inline void adis16300_unconfigure_ring(struct iio_dev *indio_dev)
-{
-}
-
-static inline int adis16300_initialize_ring(struct iio_ring_buffer *ring)
-{
-       return 0;
-}
-
-static inline void adis16300_uninitialize_ring(struct iio_ring_buffer *ring)
-{
-}
-
-#endif /* CONFIG_IIO_RING_BUFFER */
-#endif /* SPI_ADIS16300_H_ */
diff --git a/drivers/staging/iio/imu/adis16300_core.c b/drivers/staging/iio/imu/adis16300_core.c
deleted file mode 100644 (file)
index 903bb30..0000000
+++ /dev/null
@@ -1,732 +0,0 @@
-/*
- * ADIS16300 Four Degrees of Freedom Inertial Sensor Driver
- *
- * Copyright 2010 Analog Devices Inc.
- *
- * 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>
-#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"
-#include "../ring_generic.h"
-#include "../accel/accel.h"
-#include "../accel/inclinometer.h"
-#include "../gyro/gyro.h"
-#include "../adc/adc.h"
-
-#include "adis16300.h"
-
-#define DRIVER_NAME            "adis16300"
-
-static int adis16300_check_status(struct device *dev);
-
-/**
- * adis16300_spi_write_reg_8() - write single byte to a register
- * @dev: device associated with child of actual device (iio_dev or iio_trig)
- * @reg_address: the address of the register to be written
- * @val: the value to write
- **/
-static int adis16300_spi_write_reg_8(struct device *dev,
-               u8 reg_address,
-               u8 val)
-{
-       int ret;
-       struct iio_dev *indio_dev = dev_get_drvdata(dev);
-       struct adis16300_state *st = iio_dev_get_devdata(indio_dev);
-
-       mutex_lock(&st->buf_lock);
-       st->tx[0] = ADIS16300_WRITE_REG(reg_address);
-       st->tx[1] = val;
-
-       ret = spi_write(st->us, st->tx, 2);
-       mutex_unlock(&st->buf_lock);
-
-       return ret;
-}
-
-/**
- * adis16300_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)
- * @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 adis16300_spi_write_reg_16(struct device *dev,
-               u8 lower_reg_address,
-               u16 value)
-{
-       int ret;
-       struct spi_message msg;
-       struct iio_dev *indio_dev = dev_get_drvdata(dev);
-       struct adis16300_state *st = iio_dev_get_devdata(indio_dev);
-       struct spi_transfer xfers[] = {
-               {
-                       .tx_buf = st->tx,
-                       .bits_per_word = 8,
-                       .len = 2,
-                       .cs_change = 1,
-                       .delay_usecs = 75,
-               }, {
-                       .tx_buf = st->tx + 2,
-                       .bits_per_word = 8,
-                       .len = 2,
-                       .cs_change = 1,
-                       .delay_usecs = 75,
-               },
-       };
-
-       mutex_lock(&st->buf_lock);
-       st->tx[0] = ADIS16300_WRITE_REG(lower_reg_address);
-       st->tx[1] = value & 0xFF;
-       st->tx[2] = ADIS16300_WRITE_REG(lower_reg_address + 1);
-       st->tx[3] = (value >> 8) & 0xFF;
-
-       spi_message_init(&msg);
-       spi_message_add_tail(&xfers[0], &msg);
-       spi_message_add_tail(&xfers[1], &msg);
-       ret = spi_sync(st->us, &msg);
-       mutex_unlock(&st->buf_lock);
-
-       return ret;
-}
-
-/**
- * adis16300_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)
- * @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 adis16300_spi_read_reg_16(struct device *dev,
-               u8 lower_reg_address,
-               u16 *val)
-{
-       struct spi_message msg;
-       struct iio_dev *indio_dev = dev_get_drvdata(dev);
-       struct adis16300_state *st = iio_dev_get_devdata(indio_dev);
-       int ret;
-       struct spi_transfer xfers[] = {
-               {
-                       .tx_buf = st->tx,
-                       .bits_per_word = 8,
-                       .len = 2,
-                       .cs_change = 1,
-                       .delay_usecs = 75,
-               }, {
-                       .rx_buf = st->rx,
-                       .bits_per_word = 8,
-                       .len = 2,
-                       .cs_change = 1,
-                       .delay_usecs = 75,
-               },
-       };
-
-       mutex_lock(&st->buf_lock);
-       st->tx[0] = ADIS16300_READ_REG(lower_reg_address);
-       st->tx[1] = 0;
-       st->tx[2] = 0;
-       st->tx[3] = 0;
-
-       spi_message_init(&msg);
-       spi_message_add_tail(&xfers[0], &msg);
-       spi_message_add_tail(&xfers[1], &msg);
-       ret = spi_sync(st->us, &msg);
-       if (ret) {
-               dev_err(&st->us->dev,
-                       "problem when reading 16 bit register 0x%02X",
-                       lower_reg_address);
-               goto error_ret;
-       }
-       *val = (st->rx[0] << 8) | st->rx[1];
-
-error_ret:
-       mutex_unlock(&st->buf_lock);
-       return ret;
-}
-
-static ssize_t adis16300_spi_read_signed(struct device *dev,
-               struct device_attribute *attr,
-               char *buf,
-               unsigned bits)
-{
-       int ret;
-       s16 val = 0;
-       unsigned shift = 16 - bits;
-       struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
-
-       ret = adis16300_spi_read_reg_16(dev, this_attr->address, (u16 *)&val);
-       if (ret)
-               return ret;
-
-       if (val & ADIS16300_ERROR_ACTIVE)
-               adis16300_check_status(dev);
-       val = ((s16)(val << shift) >> shift);
-       return sprintf(buf, "%d\n", val);
-}
-
-static ssize_t adis16300_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 = adis16300_spi_read_reg_16(dev, this_attr->address, &val);
-       if (ret)
-               return ret;
-
-       if (val & ADIS16300_ERROR_ACTIVE)
-               adis16300_check_status(dev);
-
-       return sprintf(buf, "%u\n", val & 0x0FFF);
-}
-
-static ssize_t adis16300_read_14bit_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 = adis16300_spi_read_reg_16(dev, this_attr->address, &val);
-       if (ret)
-               return ret;
-
-       if (val & ADIS16300_ERROR_ACTIVE)
-               adis16300_check_status(dev);
-
-       return sprintf(buf, "%u\n", val & 0x3FFF);
-}
-
-static ssize_t adis16300_read_14bit_signed(struct device *dev,
-               struct device_attribute *attr,
-               char *buf)
-{
-       struct iio_dev *indio_dev = dev_get_drvdata(dev);
-       ssize_t ret;
-
-       /* Take the iio_dev status lock */
-       mutex_lock(&indio_dev->mlock);
-       ret =  adis16300_spi_read_signed(dev, attr, buf, 14);
-       mutex_unlock(&indio_dev->mlock);
-
-       return ret;
-}
-
-static ssize_t adis16300_read_12bit_signed(struct device *dev,
-               struct device_attribute *attr,
-               char *buf)
-{
-       struct iio_dev *indio_dev = dev_get_drvdata(dev);
-       ssize_t ret;
-
-       /* Take the iio_dev status lock */
-       mutex_lock(&indio_dev->mlock);
-       ret =  adis16300_spi_read_signed(dev, attr, buf, 12);
-       mutex_unlock(&indio_dev->mlock);
-
-       return ret;
-}
-
-static ssize_t adis16300_read_13bit_signed(struct device *dev,
-               struct device_attribute *attr,
-               char *buf)
-{
-       struct iio_dev *indio_dev = dev_get_drvdata(dev);
-       ssize_t ret;
-
-       /* Take the iio_dev status lock */
-       mutex_lock(&indio_dev->mlock);
-       ret =  adis16300_spi_read_signed(dev, attr, buf, 13);
-       mutex_unlock(&indio_dev->mlock);
-
-       return ret;
-}
-
-static ssize_t adis16300_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 = adis16300_spi_write_reg_16(dev, this_attr->address, val);
-
-error_ret:
-       return ret ? ret : len;
-}
-
-static ssize_t adis16300_read_frequency(struct device *dev,
-               struct device_attribute *attr,
-               char *buf)
-{
-       int ret, len = 0;
-       u16 t;
-       int sps;
-       ret = adis16300_spi_read_reg_16(dev,
-                       ADIS16300_SMPL_PRD,
-                       &t);
-       if (ret)
-               return ret;
-       sps =  (t & ADIS16300_SMPL_PRD_TIME_BASE) ? 53 : 1638;
-       sps /= (t & ADIS16300_SMPL_PRD_DIV_MASK) + 1;
-       len = sprintf(buf, "%d SPS\n", sps);
-       return len;
-}
-
-static ssize_t adis16300_write_frequency(struct device *dev,
-               struct device_attribute *attr,
-               const char *buf,
-               size_t len)
-{
-       struct iio_dev *indio_dev = dev_get_drvdata(dev);
-       struct adis16300_state *st = iio_dev_get_devdata(indio_dev);
-       long val;
-       int ret;
-       u8 t;
-
-       ret = strict_strtol(buf, 10, &val);
-       if (ret)
-               return ret;
-
-       mutex_lock(&indio_dev->mlock);
-
-       t = (1638 / val);
-       if (t > 0)
-               t--;
-       t &= ADIS16300_SMPL_PRD_DIV_MASK;
-       if ((t & ADIS16300_SMPL_PRD_DIV_MASK) >= 0x0A)
-               st->us->max_speed_hz = ADIS16300_SPI_SLOW;
-       else
-               st->us->max_speed_hz = ADIS16300_SPI_FAST;
-
-       ret = adis16300_spi_write_reg_8(dev,
-                       ADIS16300_SMPL_PRD,
-                       t);
-
-       mutex_unlock(&indio_dev->mlock);
-
-       return ret ? ret : len;
-}
-
-static int adis16300_reset(struct device *dev)
-{
-       int ret;
-       ret = adis16300_spi_write_reg_8(dev,
-                       ADIS16300_GLOB_CMD,
-                       ADIS16300_GLOB_CMD_SW_RESET);
-       if (ret)
-               dev_err(dev, "problem resetting device");
-
-       return ret;
-}
-
-static ssize_t adis16300_write_reset(struct device *dev,
-               struct device_attribute *attr,
-               const char *buf, size_t len)
-{
-       if (len < 1)
-               return -1;
-       switch (buf[0]) {
-       case '1':
-       case 'y':
-       case 'Y':
-               return adis16300_reset(dev);
-       }
-       return -1;
-}
-
-int adis16300_set_irq(struct device *dev, bool enable)
-{
-       int ret;
-       u16 msc;
-       ret = adis16300_spi_read_reg_16(dev, ADIS16300_MSC_CTRL, &msc);
-       if (ret)
-               goto error_ret;
-
-       msc |= ADIS16300_MSC_CTRL_DATA_RDY_POL_HIGH;
-       msc &= ~ADIS16300_MSC_CTRL_DATA_RDY_DIO2;
-       if (enable)
-               msc |= ADIS16300_MSC_CTRL_DATA_RDY_EN;
-       else
-               msc &= ~ADIS16300_MSC_CTRL_DATA_RDY_EN;
-
-       ret = adis16300_spi_write_reg_16(dev, ADIS16300_MSC_CTRL, msc);
-       if (ret)
-               goto error_ret;
-
-error_ret:
-       return ret;
-}
-
-/* Power down the device */
-static int adis16300_stop_device(struct device *dev)
-{
-       int ret;
-       u16 val = ADIS16300_SLP_CNT_POWER_OFF;
-
-       ret = adis16300_spi_write_reg_16(dev, ADIS16300_SLP_CNT, val);
-       if (ret)
-               dev_err(dev, "problem with turning device off: SLP_CNT");
-
-       return ret;
-}
-
-static int adis16300_self_test(struct device *dev)
-{
-       int ret;
-       ret = adis16300_spi_write_reg_16(dev,
-                       ADIS16300_MSC_CTRL,
-                       ADIS16300_MSC_CTRL_MEM_TEST);
-       if (ret) {
-               dev_err(dev, "problem starting self test");
-               goto err_ret;
-       }
-
-       adis16300_check_status(dev);
-
-err_ret:
-       return ret;
-}
-
-static int adis16300_check_status(struct device *dev)
-{
-       u16 status;
-       int ret;
-
-       ret = adis16300_spi_read_reg_16(dev, ADIS16300_DIAG_STAT, &status);
-
-       if (ret < 0) {
-               dev_err(dev, "Reading status failed\n");
-               goto error_ret;
-       }
-       ret = status;
-       if (status & ADIS16300_DIAG_STAT_ZACCL_FAIL)
-               dev_err(dev, "Z-axis accelerometer self-test failure\n");
-       if (status & ADIS16300_DIAG_STAT_YACCL_FAIL)
-               dev_err(dev, "Y-axis accelerometer self-test failure\n");
-       if (status & ADIS16300_DIAG_STAT_XACCL_FAIL)
-               dev_err(dev, "X-axis accelerometer self-test failure\n");
-       if (status & ADIS16300_DIAG_STAT_XGYRO_FAIL)
-               dev_err(dev, "X-axis gyroscope self-test failure\n");
-       if (status & ADIS16300_DIAG_STAT_ALARM2)
-               dev_err(dev, "Alarm 2 active\n");
-       if (status & ADIS16300_DIAG_STAT_ALARM1)
-               dev_err(dev, "Alarm 1 active\n");
-       if (status & ADIS16300_DIAG_STAT_FLASH_CHK)
-               dev_err(dev, "Flash checksum error\n");
-       if (status & ADIS16300_DIAG_STAT_SELF_TEST)
-               dev_err(dev, "Self test error\n");
-       if (status & ADIS16300_DIAG_STAT_OVERFLOW)
-               dev_err(dev, "Sensor overrange\n");
-       if (status & ADIS16300_DIAG_STAT_SPI_FAIL)
-               dev_err(dev, "SPI failure\n");
-       if (status & ADIS16300_DIAG_STAT_FLASH_UPT)
-               dev_err(dev, "Flash update failed\n");
-       if (status & ADIS16300_DIAG_STAT_POWER_HIGH)
-               dev_err(dev, "Power supply above 5.25V\n");
-       if (status & ADIS16300_DIAG_STAT_POWER_LOW)
-               dev_err(dev, "Power supply below 4.75V\n");
-
-error_ret:
-       return ret;
-}
-
-static int adis16300_initial_setup(struct adis16300_state *st)
-{
-       int ret;
-       u16 smp_prd;
-       struct device *dev = &st->indio_dev->dev;
-
-       /* use low spi speed for init */
-       st->us->max_speed_hz = ADIS16300_SPI_SLOW;
-       st->us->mode = SPI_MODE_3;
-       spi_setup(st->us);
-
-       /* Disable IRQ */
-       ret = adis16300_set_irq(dev, false);
-       if (ret) {
-               dev_err(dev, "disable irq failed");
-               goto err_ret;
-       }
-
-       /* Do self test */
-       ret = adis16300_self_test(dev);
-       if (ret) {
-               dev_err(dev, "self test failure");
-               goto err_ret;
-       }
-
-       /* Read status register to check the result */
-       ret = adis16300_check_status(dev);
-       if (ret) {
-               adis16300_reset(dev);
-               dev_err(dev, "device not playing ball -> reset");
-               msleep(ADIS16300_STARTUP_DELAY);
-               ret = adis16300_check_status(dev);
-               if (ret) {
-                       dev_err(dev, "giving up");
-                       goto err_ret;
-               }
-       }
-
-       printk(KERN_INFO DRIVER_NAME ": at CS%d (irq %d)\n",
-                       st->us->chip_select, st->us->irq);
-
-       /* use high spi speed if possible */
-       ret = adis16300_spi_read_reg_16(dev, ADIS16300_SMPL_PRD, &smp_prd);
-       if (!ret && (smp_prd & ADIS16300_SMPL_PRD_DIV_MASK) < 0x0A) {
-               st->us->max_speed_hz = ADIS16300_SPI_SLOW;
-               spi_setup(st->us);
-       }
-
-err_ret:
-       return ret;
-}
-
-static IIO_DEV_ATTR_GYRO_X_CALIBBIAS(S_IWUSR | S_IRUGO,
-               adis16300_read_12bit_signed,
-               adis16300_write_16bit,
-               ADIS16300_XGYRO_OFF);
-
-static IIO_DEV_ATTR_ACCEL_X_CALIBBIAS(S_IWUSR | S_IRUGO,
-               adis16300_read_12bit_signed,
-               adis16300_write_16bit,
-               ADIS16300_XACCL_OFF);
-
-static IIO_DEV_ATTR_ACCEL_Y_CALIBBIAS(S_IWUSR | S_IRUGO,
-               adis16300_read_12bit_signed,
-               adis16300_write_16bit,
-               ADIS16300_YACCL_OFF);
-
-static IIO_DEV_ATTR_ACCEL_Z_CALIBBIAS(S_IWUSR | S_IRUGO,
-               adis16300_read_12bit_signed,
-               adis16300_write_16bit,
-               ADIS16300_ZACCL_OFF);
-
-static IIO_DEV_ATTR_IN_NAMED_RAW(0, supply, adis16300_read_14bit_unsigned,
-                          ADIS16300_SUPPLY_OUT);
-static IIO_CONST_ATTR_IN_NAMED_SCALE(0, supply, "0.00242");
-
-static IIO_DEV_ATTR_GYRO_X(adis16300_read_14bit_signed,
-               ADIS16300_XGYRO_OUT);
-static IIO_CONST_ATTR_GYRO_SCALE("0.000872664");
-
-static IIO_DEV_ATTR_ACCEL_X(adis16300_read_14bit_signed,
-               ADIS16300_XACCL_OUT);
-static IIO_DEV_ATTR_ACCEL_Y(adis16300_read_14bit_signed,
-               ADIS16300_YACCL_OUT);
-static IIO_DEV_ATTR_ACCEL_Z(adis16300_read_14bit_signed,
-               ADIS16300_ZACCL_OUT);
-static IIO_CONST_ATTR_ACCEL_SCALE("0.00588399");
-
-static IIO_DEV_ATTR_INCLI_X(adis16300_read_13bit_signed,
-               ADIS16300_XINCLI_OUT);
-static IIO_DEV_ATTR_INCLI_Y(adis16300_read_13bit_signed,
-               ADIS16300_YINCLI_OUT);
-static IIO_CONST_ATTR_INCLI_SCALE("0.00076794487");
-
-static IIO_DEV_ATTR_TEMP_RAW(adis16300_read_12bit_unsigned);
-static IIO_CONST_ATTR_TEMP_OFFSET("198.16");
-static IIO_CONST_ATTR_TEMP_SCALE("0.14");
-
-static IIO_DEV_ATTR_IN_RAW(1, adis16300_read_12bit_unsigned,
-               ADIS16300_AUX_ADC);
-static IIO_CONST_ATTR(in1_scale, "0.000806");
-
-static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO,
-               adis16300_read_frequency,
-               adis16300_write_frequency);
-
-static IIO_DEVICE_ATTR(reset, S_IWUSR, NULL, adis16300_write_reset, 0);
-
-static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("409 546 819 1638");
-
-static IIO_CONST_ATTR_NAME("adis16300");
-
-static struct attribute *adis16300_attributes[] = {
-       &iio_dev_attr_gyro_x_calibbias.dev_attr.attr,
-       &iio_dev_attr_accel_x_calibbias.dev_attr.attr,
-       &iio_dev_attr_accel_y_calibbias.dev_attr.attr,
-       &iio_dev_attr_accel_z_calibbias.dev_attr.attr,
-       &iio_dev_attr_in0_supply_raw.dev_attr.attr,
-       &iio_const_attr_in0_supply_scale.dev_attr.attr,
-       &iio_dev_attr_gyro_x_raw.dev_attr.attr,
-       &iio_const_attr_gyro_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_z_raw.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_const_attr_incli_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_in1_raw.dev_attr.attr,
-       &iio_const_attr_in1_scale.dev_attr.attr,
-       &iio_dev_attr_sampling_frequency.dev_attr.attr,
-       &iio_const_attr_sampling_frequency_available.dev_attr.attr,
-       &iio_dev_attr_reset.dev_attr.attr,
-       &iio_const_attr_name.dev_attr.attr,
-       NULL
-};
-
-static const struct attribute_group adis16300_attribute_group = {
-       .attrs = adis16300_attributes,
-};
-
-static int __devinit adis16300_probe(struct spi_device *spi)
-{
-       int ret, regdone = 0;
-       struct adis16300_state *st = kzalloc(sizeof *st, GFP_KERNEL);
-       if (!st) {
-               ret =  -ENOMEM;
-               goto error_ret;
-       }
-       /* this is only used for removal purposes */
-       spi_set_drvdata(spi, st);
-
-       /* Allocate the comms buffers */
-       st->rx = kzalloc(sizeof(*st->rx)*ADIS16300_MAX_RX, GFP_KERNEL);
-       if (st->rx == NULL) {
-               ret = -ENOMEM;
-               goto error_free_st;
-       }
-       st->tx = kzalloc(sizeof(*st->tx)*ADIS16300_MAX_TX, GFP_KERNEL);
-       if (st->tx == NULL) {
-               ret = -ENOMEM;
-               goto error_free_rx;
-       }
-       st->us = spi;
-       mutex_init(&st->buf_lock);
-       /* setup the industrialio driver allocated elements */
-       st->indio_dev = iio_allocate_device(0);
-       if (st->indio_dev == NULL) {
-               ret = -ENOMEM;
-               goto error_free_tx;
-       }
-
-       st->indio_dev->dev.parent = &spi->dev;
-       st->indio_dev->attrs = &adis16300_attribute_group;
-       st->indio_dev->dev_data = (void *)(st);
-       st->indio_dev->driver_module = THIS_MODULE;
-       st->indio_dev->modes = INDIO_DIRECT_MODE;
-
-       ret = adis16300_configure_ring(st->indio_dev);
-       if (ret)
-               goto error_free_dev;
-
-       ret = iio_device_register(st->indio_dev);
-       if (ret)
-               goto error_unreg_ring_funcs;
-       regdone = 1;
-
-       ret = iio_ring_buffer_register(st->indio_dev->ring, 0);
-       if (ret) {
-               printk(KERN_ERR "failed to initialize the ring\n");
-               goto error_unreg_ring_funcs;
-       }
-
-       if (spi->irq) {
-               ret = adis16300_probe_trigger(st->indio_dev);
-               if (ret)
-                       goto error_uninitialize_ring;
-       }
-
-       /* Get the device into a sane initial state */
-       ret = adis16300_initial_setup(st);
-       if (ret)
-               goto error_remove_trigger;
-       return 0;
-
-error_remove_trigger:
-       adis16300_remove_trigger(st->indio_dev);
-error_uninitialize_ring:
-       iio_ring_buffer_unregister(st->indio_dev->ring);
-error_unreg_ring_funcs:
-       adis16300_unconfigure_ring(st->indio_dev);
-error_free_dev:
-       if (regdone)
-               iio_device_unregister(st->indio_dev);
-       else
-               iio_free_device(st->indio_dev);
-error_free_tx:
-       kfree(st->tx);
-error_free_rx:
-       kfree(st->rx);
-error_free_st:
-       kfree(st);
-error_ret:
-       return ret;
-}
-
-static int adis16300_remove(struct spi_device *spi)
-{
-       int ret;
-       struct adis16300_state *st = spi_get_drvdata(spi);
-       struct iio_dev *indio_dev = st->indio_dev;
-
-       ret = adis16300_stop_device(&(indio_dev->dev));
-       if (ret)
-               goto err_ret;
-
-       flush_scheduled_work();
-
-       adis16300_remove_trigger(indio_dev);
-       iio_ring_buffer_unregister(indio_dev->ring);
-       iio_device_unregister(indio_dev);
-       adis16300_unconfigure_ring(indio_dev);
-       kfree(st->tx);
-       kfree(st->rx);
-       kfree(st);
-
-       return 0;
-
-err_ret:
-       return ret;
-}
-
-static struct spi_driver adis16300_driver = {
-       .driver = {
-               .name = "adis16300",
-               .owner = THIS_MODULE,
-       },
-       .probe = adis16300_probe,
-       .remove = __devexit_p(adis16300_remove),
-};
-
-static __init int adis16300_init(void)
-{
-       return spi_register_driver(&adis16300_driver);
-}
-module_init(adis16300_init);
-
-static __exit void adis16300_exit(void)
-{
-       spi_unregister_driver(&adis16300_driver);
-}
-module_exit(adis16300_exit);
-
-MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
-MODULE_DESCRIPTION("Analog Devices ADIS16300 IMU SPI driver");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/iio/imu/adis16300_ring.c b/drivers/staging/iio/imu/adis16300_ring.c
deleted file mode 100644 (file)
index 114fdf4..0000000
+++ /dev/null
@@ -1,238 +0,0 @@
-#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"
-#include "../ring_sw.h"
-#include "../accel/accel.h"
-#include "../trigger.h"
-#include "adis16300.h"
-
-static IIO_SCAN_EL_C(in0_supply, ADIS16300_SCAN_SUPPLY,
-                    ADIS16300_SUPPLY_OUT, NULL);
-static IIO_CONST_ATTR_SCAN_EL_TYPE(in0_supply, u, 12, 16);
-static IIO_SCAN_EL_C(gyro_x, ADIS16300_SCAN_GYRO_X, ADIS16300_XGYRO_OUT, NULL);
-static IIO_CONST_ATTR_SCAN_EL_TYPE(gyro, s, 14, 16);
-
-static IIO_SCAN_EL_C(accel_x, ADIS16300_SCAN_ACC_X, ADIS16300_XACCL_OUT, NULL);
-static IIO_SCAN_EL_C(accel_y, ADIS16300_SCAN_ACC_Y, ADIS16300_YACCL_OUT, NULL);
-static IIO_SCAN_EL_C(accel_z, ADIS16300_SCAN_ACC_Z, ADIS16300_ZACCL_OUT, NULL);
-static IIO_CONST_ATTR_SCAN_EL_TYPE(accel, s, 14, 16);
-
-static IIO_SCAN_EL_C(temp, ADIS16300_SCAN_TEMP, ADIS16300_TEMP_OUT, NULL);
-static IIO_CONST_ATTR_SCAN_EL_TYPE(temp, s, 12, 16);
-
-static IIO_SCAN_EL_C(in1, ADIS16300_SCAN_ADC_0, ADIS16300_AUX_ADC, NULL);
-static IIO_CONST_ATTR_SCAN_EL_TYPE(in1, u, 12, 16);
-
-static IIO_SCAN_EL_C(incli_x, ADIS16300_SCAN_INCLI_X,
-                    ADIS16300_XINCLI_OUT, NULL);
-static IIO_SCAN_EL_C(incli_y, ADIS16300_SCAN_INCLI_Y,
-                    ADIS16300_YINCLI_OUT, NULL);
-static IIO_CONST_ATTR_SCAN_EL_TYPE(incli, s, 13, 16);
-
-static IIO_SCAN_EL_TIMESTAMP(9);
-static IIO_CONST_ATTR_SCAN_EL_TYPE(timestamp, s, 64, 64);
-
-static struct attribute *adis16300_scan_el_attrs[] = {
-       &iio_scan_el_in0_supply.dev_attr.attr,
-       &iio_const_attr_in0_supply_index.dev_attr.attr,
-       &iio_const_attr_in0_supply_type.dev_attr.attr,
-       &iio_scan_el_gyro_x.dev_attr.attr,
-       &iio_const_attr_gyro_x_index.dev_attr.attr,
-       &iio_const_attr_gyro_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_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_scan_el_accel_z.dev_attr.attr,
-       &iio_const_attr_accel_z_index.dev_attr.attr,
-       &iio_const_attr_accel_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_in1.dev_attr.attr,
-       &iio_const_attr_in1_index.dev_attr.attr,
-       &iio_const_attr_in1_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 adis16300_scan_el_group = {
-       .attrs = adis16300_scan_el_attrs,
-       .name = "scan_elements",
-};
-
-/**
- * adis16300_poll_func_th() top half interrupt handler called by trigger
- * @private_data:      iio_dev
- **/
-static void adis16300_poll_func_th(struct iio_dev *indio_dev, s64 time)
-{
-       struct adis16300_state *st = iio_dev_get_devdata(indio_dev);
-       st->last_timestamp = time;
-       schedule_work(&st->work_trigger_to_ring);
-       /* Indicate that this interrupt is being handled */
-
-       /* Technically this is trigger related, but without this
-        * handler running there is currently no way for the interrupt
-        * to clear.
-        */
-}
-
-/**
- * adis16300_spi_read_burst() - read all data registers
- * @dev: device associated with child of actual device (iio_dev or iio_trig)
- * @rx: somewhere to pass back the value read (min size is 24 bytes)
- **/
-static int adis16300_spi_read_burst(struct device *dev, u8 *rx)
-{
-       struct spi_message msg;
-       struct iio_dev *indio_dev = dev_get_drvdata(dev);
-       struct adis16300_state *st = iio_dev_get_devdata(indio_dev);
-       u32 old_speed_hz = st->us->max_speed_hz;
-       int ret;
-
-       struct spi_transfer xfers[] = {
-               {
-                       .tx_buf = st->tx,
-                       .bits_per_word = 8,
-                       .len = 2,
-                       .cs_change = 0,
-               }, {
-                       .rx_buf = rx,
-                       .bits_per_word = 8,
-                       .len = 18,
-                       .cs_change = 0,
-               },
-       };
-
-       mutex_lock(&st->buf_lock);
-       st->tx[0] = ADIS16300_READ_REG(ADIS16300_GLOB_CMD);
-       st->tx[1] = 0;
-
-       spi_message_init(&msg);
-       spi_message_add_tail(&xfers[0], &msg);
-       spi_message_add_tail(&xfers[1], &msg);
-
-       st->us->max_speed_hz = ADIS16300_SPI_BURST;
-       spi_setup(st->us);
-
-       ret = spi_sync(st->us, &msg);
-       if (ret)
-               dev_err(&st->us->dev, "problem when burst reading");
-
-       st->us->max_speed_hz = old_speed_hz;
-       spi_setup(st->us);
-       mutex_unlock(&st->buf_lock);
-       return ret;
-}
-
-/* Whilst this makes a lot of calls to iio_sw_ring functions - it is to device
- * specific to be rolled into the core.
- */
-static void adis16300_trigger_bh_to_ring(struct work_struct *work_s)
-{
-       struct adis16300_state *st
-               = container_of(work_s, struct adis16300_state,
-                              work_trigger_to_ring);
-       struct iio_ring_buffer *ring = st->indio_dev->ring;
-
-       int i = 0;
-       s16 *data;
-       size_t datasize = ring->access.get_bytes_per_datum(ring);
-
-       data = kmalloc(datasize , GFP_KERNEL);
-       if (data == NULL) {
-               dev_err(&st->us->dev, "memory alloc failed in ring bh");
-               return;
-       }
-
-       if (ring->scan_count)
-               if (adis16300_spi_read_burst(&st->indio_dev->dev, st->rx) >= 0)
-                       for (; i < ring->scan_count; i++)
-                               data[i] = be16_to_cpup(
-                                       (__be16 *)&(st->rx[i*2]));
-
-       /* Guaranteed to be aligned with 8 byte boundary */
-       if (ring->scan_timestamp)
-               *((s64 *)(data + ((i + 3)/4)*4)) = st->last_timestamp;
-
-       ring->access.store_to(ring,
-                       (u8 *)data,
-                       st->last_timestamp);
-
-       iio_trigger_notify_done(st->indio_dev->trig);
-       kfree(data);
-
-       return;
-}
-
-void adis16300_unconfigure_ring(struct iio_dev *indio_dev)
-{
-       kfree(indio_dev->pollfunc);
-       iio_sw_rb_free(indio_dev->ring);
-}
-
-int adis16300_configure_ring(struct iio_dev *indio_dev)
-{
-       int ret = 0;
-       struct adis16300_state *st = indio_dev->dev_data;
-       struct iio_ring_buffer *ring;
-       INIT_WORK(&st->work_trigger_to_ring, adis16300_trigger_bh_to_ring);
-
-       ring = iio_sw_rb_allocate(indio_dev);
-       if (!ring) {
-               ret = -ENOMEM;
-               return ret;
-       }
-       indio_dev->ring = ring;
-       /* Effectively select the ring buffer implementation */
-       iio_ring_sw_register_funcs(&ring->access);
-       ring->bpe = 2;
-       ring->scan_el_attrs = &adis16300_scan_el_group;
-       ring->scan_timestamp = true;
-       ring->preenable = &iio_sw_ring_preenable;
-       ring->postenable = &iio_triggered_ring_postenable;
-       ring->predisable = &iio_triggered_ring_predisable;
-       ring->owner = THIS_MODULE;
-
-       /* Set default scan mode */
-       iio_scan_mask_set(ring, iio_scan_el_in0_supply.number);
-       iio_scan_mask_set(ring, iio_scan_el_gyro_x.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_accel_z.number);
-       iio_scan_mask_set(ring, iio_scan_el_temp.number);
-       iio_scan_mask_set(ring, iio_scan_el_in1.number);
-       iio_scan_mask_set(ring, iio_scan_el_incli_x.number);
-       iio_scan_mask_set(ring, iio_scan_el_incli_y.number);
-
-       ret = iio_alloc_pollfunc(indio_dev, NULL, &adis16300_poll_func_th);
-       if (ret)
-               goto error_iio_sw_rb_free;
-
-       indio_dev->modes |= INDIO_RING_TRIGGERED;
-       return 0;
-
-error_iio_sw_rb_free:
-       iio_sw_rb_free(indio_dev->ring);
-       return ret;
-}
-
diff --git a/drivers/staging/iio/imu/adis16300_trigger.c b/drivers/staging/iio/imu/adis16300_trigger.c
deleted file mode 100644 (file)
index fd7656f..0000000
+++ /dev/null
@@ -1,119 +0,0 @@
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/mutex.h>
-#include <linux/device.h>
-#include <linux/kernel.h>
-#include <linux/sysfs.h>
-#include <linux/list.h>
-#include <linux/spi/spi.h>
-
-#include "../iio.h"
-#include "../sysfs.h"
-#include "../trigger.h"
-#include "adis16300.h"
-
-/**
- * adis16300_data_rdy_trig_poll() the event handler for the data rdy trig
- **/
-static irqreturn_t adis16300_data_rdy_trig_poll(int irq, void *private)
-{
-       disable_irq_nosync(irq);
-       iio_trigger_poll(private, iio_get_time_ns());
-       return IRQ_HANDLED;
-}
-
-static IIO_TRIGGER_NAME_ATTR;
-
-static struct attribute *adis16300_trigger_attrs[] = {
-       &dev_attr_name.attr,
-       NULL,
-};
-
-static const struct attribute_group adis16300_trigger_attr_group = {
-       .attrs = adis16300_trigger_attrs,
-};
-
-/**
- * adis16300_data_rdy_trigger_set_state() set datardy interrupt state
- **/
-static int adis16300_data_rdy_trigger_set_state(struct iio_trigger *trig,
-                                               bool state)
-{
-       struct adis16300_state *st = trig->private_data;
-       struct iio_dev *indio_dev = st->indio_dev;
-
-       dev_dbg(&indio_dev->dev, "%s (%d)\n", __func__, state);
-       return adis16300_set_irq(&st->indio_dev->dev, state);
-}
-
-/**
- * adis16300_trig_try_reen() try renabling irq for data rdy trigger
- * @trig:      the datardy trigger
- **/
-static int adis16300_trig_try_reen(struct iio_trigger *trig)
-{
-       struct adis16300_state *st = trig->private_data;
-       enable_irq(st->us->irq);
-       /* irq reenabled so success! */
-       return 0;
-}
-
-int adis16300_probe_trigger(struct iio_dev *indio_dev)
-{
-       int ret;
-       struct adis16300_state *st = indio_dev->dev_data;
-
-       st->trig = iio_allocate_trigger();
-       if (st->trig == NULL) {
-               ret = -ENOMEM;
-               goto error_ret;
-       }
-       ret = request_irq(st->us->irq,
-                         adis16300_data_rdy_trig_poll,
-                         IRQF_TRIGGER_RISING,
-                         "adis16300",
-                         st->trig);
-       if (ret)
-               goto error_free_trig;
-
-       st->trig->name = kasprintf(GFP_KERNEL,
-                                  "adis16300-dev%d",
-                                  indio_dev->id);
-       if (!st->trig->name) {
-               ret = -ENOMEM;
-               goto error_free_irq;
-       }
-       st->trig->dev.parent = &st->us->dev;
-       st->trig->owner = THIS_MODULE;
-       st->trig->private_data = st;
-       st->trig->set_trigger_state = &adis16300_data_rdy_trigger_set_state;
-       st->trig->try_reenable = &adis16300_trig_try_reen;
-       st->trig->control_attrs = &adis16300_trigger_attr_group;
-       ret = iio_trigger_register(st->trig);
-
-       /* select default trigger */
-       indio_dev->trig = st->trig;
-       if (ret)
-               goto error_free_trig_name;
-
-       return 0;
-
-error_free_trig_name:
-       kfree(st->trig->name);
-error_free_irq:
-       free_irq(st->us->irq, st->trig);
-error_free_trig:
-       iio_free_trigger(st->trig);
-error_ret:
-       return ret;
-}
-
-void adis16300_remove_trigger(struct iio_dev *indio_dev)
-{
-       struct adis16300_state *state = indio_dev->dev_data;
-
-       iio_trigger_unregister(state->trig);
-       kfree(state->trig->name);
-       free_irq(state->us->irq, state->trig);
-       iio_free_trigger(state->trig);
-}