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-rw-r--r--drivers/iio/gyro/Kconfig18
-rw-r--r--drivers/iio/gyro/Makefile2
-rw-r--r--drivers/iio/gyro/adis16080.c21
-rw-r--r--drivers/iio/gyro/adis16130.c23
-rw-r--r--drivers/iio/gyro/adis16136.c10
-rw-r--r--drivers/iio/gyro/adis16260.c422
-rw-r--r--drivers/iio/gyro/adxrs450.c15
-rw-r--r--drivers/iio/gyro/hid-sensor-gyro-3d.c41
-rw-r--r--drivers/iio/gyro/itg3200_core.c15
-rw-r--r--drivers/iio/gyro/st_gyro.h11
-rw-r--r--drivers/iio/gyro/st_gyro_core.c14
-rw-r--r--drivers/iio/gyro/st_gyro_i2c.c18
-rw-r--r--drivers/iio/gyro/st_gyro_spi.c18
13 files changed, 504 insertions, 124 deletions
diff --git a/drivers/iio/gyro/Kconfig b/drivers/iio/gyro/Kconfig
index 8498e9dcda6..41c64a43bca 100644
--- a/drivers/iio/gyro/Kconfig
+++ b/drivers/iio/gyro/Kconfig
@@ -1,6 +1,8 @@
#
# IIO Digital Gyroscope Sensor drivers configuration
#
+# When adding new entries keep the list in alphabetical order
+
menu "Digital gyroscope sensors"
config ADIS16080
@@ -26,6 +28,18 @@ config ADIS16136
Say yes here to build support for the Analog Devices ADIS16133, ADIS16135,
ADIS16136 gyroscope devices.
+config ADIS16260
+ tristate "Analog Devices ADIS16260 Digital Gyroscope Sensor SPI driver"
+ depends on SPI
+ select IIO_ADIS_LIB
+ select IIO_ADIS_LIB_BUFFER if IIO_BUFFER
+ help
+ Say yes here to build support for Analog Devices ADIS16260 ADIS16265
+ ADIS16250 ADIS16255 and ADIS16251 programmable digital gyroscope sensors.
+
+ This driver can also be built as a module. If so, the module
+ will be called adis16260.
+
config ADXRS450
tristate "Analog Devices ADXRS450/3 Digital Output Gyroscope SPI driver"
depends on SPI
@@ -58,8 +72,8 @@ config IIO_ST_GYRO_3AXIS
Say yes here to build support for STMicroelectronics gyroscopes:
L3G4200D, LSM330DL, L3GD20, L3GD20H, LSM330DLC, L3G4IS, LSM330.
- This driver can also be built as a module. If so, will be created
- these modules:
+ This driver can also be built as a module. If so, these modules
+ will be created:
- st_gyro (core functions for the driver [it is mandatory]);
- st_gyro_i2c (necessary for the I2C devices [optional*]);
- st_gyro_spi (necessary for the SPI devices [optional*]);
diff --git a/drivers/iio/gyro/Makefile b/drivers/iio/gyro/Makefile
index e9dc034aa18..2f2752a4ea8 100644
--- a/drivers/iio/gyro/Makefile
+++ b/drivers/iio/gyro/Makefile
@@ -2,9 +2,11 @@
# Makefile for industrial I/O gyroscope sensor drivers
#
+# When adding new entries keep the list in alphabetical order
obj-$(CONFIG_ADIS16080) += adis16080.o
obj-$(CONFIG_ADIS16130) += adis16130.o
obj-$(CONFIG_ADIS16136) += adis16136.o
+obj-$(CONFIG_ADIS16260) += adis16260.o
obj-$(CONFIG_ADXRS450) += adxrs450.o
obj-$(CONFIG_HID_SENSOR_GYRO_3D) += hid-sensor-gyro-3d.o
diff --git a/drivers/iio/gyro/adis16080.c b/drivers/iio/gyro/adis16080.c
index e1bb5f994a5..e9ec022ae22 100644
--- a/drivers/iio/gyro/adis16080.c
+++ b/drivers/iio/gyro/adis16080.c
@@ -192,16 +192,13 @@ static const struct adis16080_chip_info adis16080_chip_info[] = {
static int adis16080_probe(struct spi_device *spi)
{
const struct spi_device_id *id = spi_get_device_id(spi);
- int ret;
struct adis16080_state *st;
struct iio_dev *indio_dev;
/* setup the industrialio driver allocated elements */
- indio_dev = iio_device_alloc(sizeof(*st));
- if (indio_dev == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
+ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+ if (!indio_dev)
+ return -ENOMEM;
st = iio_priv(indio_dev);
/* this is only used for removal purposes */
spi_set_drvdata(spi, indio_dev);
@@ -217,22 +214,12 @@ static int adis16080_probe(struct spi_device *spi)
indio_dev->info = &adis16080_info;
indio_dev->modes = INDIO_DIRECT_MODE;
- ret = iio_device_register(indio_dev);
- if (ret)
- goto error_free_dev;
- return 0;
-
-error_free_dev:
- iio_device_free(indio_dev);
-error_ret:
- return ret;
+ return iio_device_register(indio_dev);
}
static int adis16080_remove(struct spi_device *spi)
{
iio_device_unregister(spi_get_drvdata(spi));
- iio_device_free(spi_get_drvdata(spi));
-
return 0;
}
diff --git a/drivers/iio/gyro/adis16130.c b/drivers/iio/gyro/adis16130.c
index 129acdf801a..ac66fc18404 100644
--- a/drivers/iio/gyro/adis16130.c
+++ b/drivers/iio/gyro/adis16130.c
@@ -148,16 +148,13 @@ static const struct iio_info adis16130_info = {
static int adis16130_probe(struct spi_device *spi)
{
- int ret;
struct adis16130_state *st;
struct iio_dev *indio_dev;
/* setup the industrialio driver allocated elements */
- indio_dev = iio_device_alloc(sizeof(*st));
- if (indio_dev == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
+ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+ if (!indio_dev)
+ return -ENOMEM;
st = iio_priv(indio_dev);
/* this is only used for removal purposes */
spi_set_drvdata(spi, indio_dev);
@@ -170,24 +167,12 @@ static int adis16130_probe(struct spi_device *spi)
indio_dev->info = &adis16130_info;
indio_dev->modes = INDIO_DIRECT_MODE;
- ret = iio_device_register(indio_dev);
- if (ret)
- goto error_free_dev;
-
- return 0;
-
-error_free_dev:
- iio_device_free(indio_dev);
-
-error_ret:
- return ret;
+ return iio_device_register(indio_dev);
}
static int adis16130_remove(struct spi_device *spi)
{
iio_device_unregister(spi_get_drvdata(spi));
- iio_device_free(spi_get_drvdata(spi));
-
return 0;
}
diff --git a/drivers/iio/gyro/adis16136.c b/drivers/iio/gyro/adis16136.c
index 058e6d5c955..591bd555e1f 100644
--- a/drivers/iio/gyro/adis16136.c
+++ b/drivers/iio/gyro/adis16136.c
@@ -497,7 +497,7 @@ static int adis16136_probe(struct spi_device *spi)
struct iio_dev *indio_dev;
int ret;
- indio_dev = iio_device_alloc(sizeof(*adis16136));
+ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adis16136));
if (indio_dev == NULL)
return -ENOMEM;
@@ -515,11 +515,11 @@ static int adis16136_probe(struct spi_device *spi)
ret = adis_init(&adis16136->adis, indio_dev, spi, &adis16136_data);
if (ret)
- goto error_free_dev;
+ return ret;
ret = adis_setup_buffer_and_trigger(&adis16136->adis, indio_dev, NULL);
if (ret)
- goto error_free_dev;
+ return ret;
ret = adis16136_initial_setup(indio_dev);
if (ret)
@@ -537,8 +537,6 @@ error_stop_device:
adis16136_stop_device(indio_dev);
error_cleanup_buffer:
adis_cleanup_buffer_and_trigger(&adis16136->adis, indio_dev);
-error_free_dev:
- iio_device_free(indio_dev);
return ret;
}
@@ -552,8 +550,6 @@ static int adis16136_remove(struct spi_device *spi)
adis_cleanup_buffer_and_trigger(&adis16136->adis, indio_dev);
- iio_device_free(indio_dev);
-
return 0;
}
diff --git a/drivers/iio/gyro/adis16260.c b/drivers/iio/gyro/adis16260.c
new file mode 100644
index 00000000000..06541162fc0
--- /dev/null
+++ b/drivers/iio/gyro/adis16260.c
@@ -0,0 +1,422 @@
+/*
+ * ADIS16260/ADIS16265 Programmable Digital Gyroscope Sensor Driver
+ *
+ * Copyright 2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+#include <linux/sysfs.h>
+#include <linux/module.h>
+
+#include <linux/iio/iio.h>
+#include <linux/iio/sysfs.h>
+#include <linux/iio/buffer.h>
+#include <linux/iio/imu/adis.h>
+
+#define ADIS16260_STARTUP_DELAY 220 /* ms */
+
+#define ADIS16260_FLASH_CNT 0x00 /* Flash memory write count */
+#define ADIS16260_SUPPLY_OUT 0x02 /* Power supply measurement */
+#define ADIS16260_GYRO_OUT 0x04 /* X-axis gyroscope output */
+#define ADIS16260_AUX_ADC 0x0A /* analog input channel measurement */
+#define ADIS16260_TEMP_OUT 0x0C /* internal temperature measurement */
+#define ADIS16260_ANGL_OUT 0x0E /* angle displacement */
+#define ADIS16260_GYRO_OFF 0x14 /* Calibration, offset/bias adjustment */
+#define ADIS16260_GYRO_SCALE 0x16 /* Calibration, scale adjustment */
+#define ADIS16260_ALM_MAG1 0x20 /* Alarm 1 magnitude/polarity setting */
+#define ADIS16260_ALM_MAG2 0x22 /* Alarm 2 magnitude/polarity setting */
+#define ADIS16260_ALM_SMPL1 0x24 /* Alarm 1 dynamic rate of change setting */
+#define ADIS16260_ALM_SMPL2 0x26 /* Alarm 2 dynamic rate of change setting */
+#define ADIS16260_ALM_CTRL 0x28 /* Alarm control */
+#define ADIS16260_AUX_DAC 0x30 /* Auxiliary DAC data */
+#define ADIS16260_GPIO_CTRL 0x32 /* Control, digital I/O line */
+#define ADIS16260_MSC_CTRL 0x34 /* Control, data ready, self-test settings */
+#define ADIS16260_SMPL_PRD 0x36 /* Control, internal sample rate */
+#define ADIS16260_SENS_AVG 0x38 /* Control, dynamic range, filtering */
+#define ADIS16260_SLP_CNT 0x3A /* Control, sleep mode initiation */
+#define ADIS16260_DIAG_STAT 0x3C /* Diagnostic, error flags */
+#define ADIS16260_GLOB_CMD 0x3E /* Control, global commands */
+#define ADIS16260_LOT_ID1 0x52 /* Lot Identification Code 1 */
+#define ADIS16260_LOT_ID2 0x54 /* Lot Identification Code 2 */
+#define ADIS16260_PROD_ID 0x56 /* Product identifier;
+ * convert to decimal = 16,265/16,260 */
+#define ADIS16260_SERIAL_NUM 0x58 /* Serial number */
+
+#define ADIS16260_ERROR_ACTIVE (1<<14)
+#define ADIS16260_NEW_DATA (1<<15)
+
+/* MSC_CTRL */
+#define ADIS16260_MSC_CTRL_MEM_TEST (1<<11)
+/* Internal self-test enable */
+#define ADIS16260_MSC_CTRL_INT_SELF_TEST (1<<10)
+#define ADIS16260_MSC_CTRL_NEG_SELF_TEST (1<<9)
+#define ADIS16260_MSC_CTRL_POS_SELF_TEST (1<<8)
+#define ADIS16260_MSC_CTRL_DATA_RDY_EN (1<<2)
+#define ADIS16260_MSC_CTRL_DATA_RDY_POL_HIGH (1<<1)
+#define ADIS16260_MSC_CTRL_DATA_RDY_DIO2 (1<<0)
+
+/* SMPL_PRD */
+/* Time base (tB): 0 = 1.953 ms, 1 = 60.54 ms */
+#define ADIS16260_SMPL_PRD_TIME_BASE (1<<7)
+#define ADIS16260_SMPL_PRD_DIV_MASK 0x7F
+
+/* SLP_CNT */
+#define ADIS16260_SLP_CNT_POWER_OFF 0x80
+
+/* DIAG_STAT */
+#define ADIS16260_DIAG_STAT_ALARM2 (1<<9)
+#define ADIS16260_DIAG_STAT_ALARM1 (1<<8)
+#define ADIS16260_DIAG_STAT_FLASH_CHK_BIT 6
+#define ADIS16260_DIAG_STAT_SELF_TEST_BIT 5
+#define ADIS16260_DIAG_STAT_OVERFLOW_BIT 4
+#define ADIS16260_DIAG_STAT_SPI_FAIL_BIT 3
+#define ADIS16260_DIAG_STAT_FLASH_UPT_BIT 2
+#define ADIS16260_DIAG_STAT_POWER_HIGH_BIT 1
+#define ADIS16260_DIAG_STAT_POWER_LOW_BIT 0
+
+/* GLOB_CMD */
+#define ADIS16260_GLOB_CMD_SW_RESET (1<<7)
+#define ADIS16260_GLOB_CMD_FLASH_UPD (1<<3)
+#define ADIS16260_GLOB_CMD_DAC_LATCH (1<<2)
+#define ADIS16260_GLOB_CMD_FAC_CALIB (1<<1)
+#define ADIS16260_GLOB_CMD_AUTO_NULL (1<<0)
+
+#define ADIS16260_SPI_SLOW (u32)(300 * 1000)
+#define ADIS16260_SPI_BURST (u32)(1000 * 1000)
+#define ADIS16260_SPI_FAST (u32)(2000 * 1000)
+
+/* At the moment triggers are only used for ring buffer
+ * filling. This may change!
+ */
+
+#define ADIS16260_SCAN_GYRO 0
+#define ADIS16260_SCAN_SUPPLY 1
+#define ADIS16260_SCAN_AUX_ADC 2
+#define ADIS16260_SCAN_TEMP 3
+#define ADIS16260_SCAN_ANGL 4
+
+static ssize_t adis16260_read_frequency(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+ struct adis *adis = iio_priv(indio_dev);
+ int ret, len = 0;
+ u16 t;
+ int sps;
+ ret = adis_read_reg_16(adis, ADIS16260_SMPL_PRD, &t);
+ if (ret)
+ return ret;
+
+ if (spi_get_device_id(adis->spi)->driver_data) /* If an adis16251 */
+ sps = (t & ADIS16260_SMPL_PRD_TIME_BASE) ? 8 : 256;
+ else
+ sps = (t & ADIS16260_SMPL_PRD_TIME_BASE) ? 66 : 2048;
+ sps /= (t & ADIS16260_SMPL_PRD_DIV_MASK) + 1;
+ len = sprintf(buf, "%d\n", sps);
+ return len;
+}
+
+static ssize_t adis16260_write_frequency(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t len)
+{
+ struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+ struct adis *adis = iio_priv(indio_dev);
+ unsigned int val;
+ int ret;
+ u8 t;
+
+ ret = kstrtouint(buf, 10, &val);
+ if (ret)
+ return ret;
+
+ mutex_lock(&indio_dev->mlock);
+ if (spi_get_device_id(adis->spi)->driver_data)
+ t = 256 / val;
+ else
+ t = 2048 / val;
+
+ if (t > ADIS16260_SMPL_PRD_DIV_MASK)
+ t = ADIS16260_SMPL_PRD_DIV_MASK;
+ else if (t > 0)
+ t--;
+
+ if (t >= 0x0A)
+ adis->spi->max_speed_hz = ADIS16260_SPI_SLOW;
+ else
+ adis->spi->max_speed_hz = ADIS16260_SPI_FAST;
+ ret = adis_write_reg_8(adis, ADIS16260_SMPL_PRD, t);
+
+ mutex_unlock(&indio_dev->mlock);
+
+ return ret ? ret : len;
+}
+
+/* Power down the device */
+static int adis16260_stop_device(struct iio_dev *indio_dev)
+{
+ struct adis *adis = iio_priv(indio_dev);
+ int ret;
+ u16 val = ADIS16260_SLP_CNT_POWER_OFF;
+
+ ret = adis_write_reg_16(adis, ADIS16260_SLP_CNT, val);
+ if (ret)
+ dev_err(&indio_dev->dev, "problem with turning device off: SLP_CNT");
+
+ return ret;
+}
+
+static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO,
+ adis16260_read_frequency,
+ adis16260_write_frequency);
+
+static const struct iio_chan_spec adis16260_channels[] = {
+ ADIS_GYRO_CHAN(X, ADIS16260_GYRO_OUT, ADIS16260_SCAN_GYRO,
+ BIT(IIO_CHAN_INFO_CALIBBIAS) |
+ BIT(IIO_CHAN_INFO_CALIBSCALE), 14),
+ ADIS_INCLI_CHAN(X, ADIS16260_ANGL_OUT, ADIS16260_SCAN_ANGL, 0, 14),
+ ADIS_TEMP_CHAN(ADIS16260_TEMP_OUT, ADIS16260_SCAN_TEMP, 12),
+ ADIS_SUPPLY_CHAN(ADIS16260_SUPPLY_OUT, ADIS16260_SCAN_SUPPLY, 12),
+ ADIS_AUX_ADC_CHAN(ADIS16260_AUX_ADC, ADIS16260_SCAN_AUX_ADC, 12),
+ IIO_CHAN_SOFT_TIMESTAMP(5),
+};
+
+static const u8 adis16260_addresses[][2] = {
+ [ADIS16260_SCAN_GYRO] = { ADIS16260_GYRO_OFF, ADIS16260_GYRO_SCALE },
+};
+
+static int adis16260_read_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int *val, int *val2,
+ long mask)
+{
+ struct adis *adis = iio_priv(indio_dev);
+ int ret;
+ u8 addr;
+ s16 val16;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_RAW:
+ return adis_single_conversion(indio_dev, chan,
+ ADIS16260_ERROR_ACTIVE, val);
+ case IIO_CHAN_INFO_SCALE:
+ switch (chan->type) {
+ case IIO_ANGL_VEL:
+ *val = 0;
+ if (spi_get_device_id(adis->spi)->driver_data) {
+ /* 0.01832 degree / sec */
+ *val2 = IIO_DEGREE_TO_RAD(18320);
+ } else {
+ /* 0.07326 degree / sec */
+ *val2 = IIO_DEGREE_TO_RAD(73260);
+ }
+ return IIO_VAL_INT_PLUS_MICRO;
+ case IIO_INCLI:
+ *val = 0;
+ *val2 = IIO_DEGREE_TO_RAD(36630);
+ return IIO_VAL_INT_PLUS_MICRO;
+ case IIO_VOLTAGE:
+ if (chan->channel == 0) {
+ *val = 1;
+ *val2 = 831500; /* 1.8315 mV */
+ } else {
+ *val = 0;
+ *val2 = 610500; /* 610.5 uV */
+ }
+ return IIO_VAL_INT_PLUS_MICRO;
+ case IIO_TEMP:
+ *val = 145;
+ *val2 = 300000; /* 0.1453 C */
+ return IIO_VAL_INT_PLUS_MICRO;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case IIO_CHAN_INFO_OFFSET:
+ *val = 250000 / 1453; /* 25 C = 0x00 */
+ return IIO_VAL_INT;
+ case IIO_CHAN_INFO_CALIBBIAS:
+ addr = adis16260_addresses[chan->scan_index][0];
+ ret = adis_read_reg_16(adis, addr, &val16);
+ if (ret)
+ return ret;
+
+ *val = sign_extend32(val16, 11);
+ return IIO_VAL_INT;
+ case IIO_CHAN_INFO_CALIBSCALE:
+ addr = adis16260_addresses[chan->scan_index][1];
+ ret = adis_read_reg_16(adis, addr, &val16);
+ if (ret)
+ return ret;
+
+ *val = val16;
+ return IIO_VAL_INT;
+ }
+ return -EINVAL;
+}
+
+static int adis16260_write_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int val,
+ int val2,
+ long mask)
+{
+ struct adis *adis = iio_priv(indio_dev);
+ u8 addr;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_CALIBBIAS:
+ if (val < -2048 || val >= 2048)
+ return -EINVAL;
+
+ addr = adis16260_addresses[chan->scan_index][0];
+ return adis_write_reg_16(adis, addr, val);
+ case IIO_CHAN_INFO_CALIBSCALE:
+ if (val < 0 || val >= 4096)
+ return -EINVAL;
+
+ addr = adis16260_addresses[chan->scan_index][1];
+ return adis_write_reg_16(adis, addr, val);
+ }
+ return -EINVAL;
+}
+
+static struct attribute *adis16260_attributes[] = {
+ &iio_dev_attr_sampling_frequency.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group adis16260_attribute_group = {
+ .attrs = adis16260_attributes,
+};
+
+static const struct iio_info adis16260_info = {
+ .attrs = &adis16260_attribute_group,
+ .read_raw = &adis16260_read_raw,
+ .write_raw = &adis16260_write_raw,
+ .update_scan_mode = adis_update_scan_mode,
+ .driver_module = THIS_MODULE,
+};
+
+static const char * const adis1620_status_error_msgs[] = {
+ [ADIS16260_DIAG_STAT_FLASH_CHK_BIT] = "Flash checksum error",
+ [ADIS16260_DIAG_STAT_SELF_TEST_BIT] = "Self test error",
+ [ADIS16260_DIAG_STAT_OVERFLOW_BIT] = "Sensor overrange",
+ [ADIS16260_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure",
+ [ADIS16260_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed",
+ [ADIS16260_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 5.25",
+ [ADIS16260_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 4.75",
+};
+
+static const struct adis_data adis16260_data = {
+ .write_delay = 30,
+ .read_delay = 30,
+ .msc_ctrl_reg = ADIS16260_MSC_CTRL,
+ .glob_cmd_reg = ADIS16260_GLOB_CMD,
+ .diag_stat_reg = ADIS16260_DIAG_STAT,
+
+ .self_test_mask = ADIS16260_MSC_CTRL_MEM_TEST,
+ .startup_delay = ADIS16260_STARTUP_DELAY,
+
+ .status_error_msgs = adis1620_status_error_msgs,
+ .status_error_mask = BIT(ADIS16260_DIAG_STAT_FLASH_CHK_BIT) |
+ BIT(ADIS16260_DIAG_STAT_SELF_TEST_BIT) |
+ BIT(ADIS16260_DIAG_STAT_OVERFLOW_BIT) |
+ BIT(ADIS16260_DIAG_STAT_SPI_FAIL_BIT) |
+ BIT(ADIS16260_DIAG_STAT_FLASH_UPT_BIT) |
+ BIT(ADIS16260_DIAG_STAT_POWER_HIGH_BIT) |
+ BIT(ADIS16260_DIAG_STAT_POWER_LOW_BIT),
+};
+
+static int adis16260_probe(struct spi_device *spi)
+{
+ struct iio_dev *indio_dev;
+ struct adis *adis;
+ int ret;
+
+ /* setup the industrialio driver allocated elements */
+ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adis));
+ if (!indio_dev)
+ return -ENOMEM;
+ adis = iio_priv(indio_dev);
+ /* this is only used for removal purposes */
+ spi_set_drvdata(spi, indio_dev);
+
+ indio_dev->name = spi_get_device_id(spi)->name;
+ indio_dev->dev.parent = &spi->dev;
+ indio_dev->info = &adis16260_info;
+ indio_dev->channels = adis16260_channels;
+ indio_dev->num_channels = ARRAY_SIZE(adis16260_channels);
+ indio_dev->modes = INDIO_DIRECT_MODE;
+
+ ret = adis_init(adis, indio_dev, spi, &adis16260_data);
+ if (ret)
+ return ret;
+
+ ret = adis_setup_buffer_and_trigger(adis, indio_dev, NULL);
+ if (ret)
+ return ret;
+
+ /* Get the device into a sane initial state */
+ ret = adis_initial_startup(adis);
+ if (ret)
+ goto error_cleanup_buffer_trigger;
+ ret = iio_device_register(indio_dev);
+ if (ret)
+ goto error_cleanup_buffer_trigger;
+
+ return 0;
+
+error_cleanup_buffer_trigger:
+ adis_cleanup_buffer_and_trigger(adis, indio_dev);
+ return ret;
+}
+
+static int adis16260_remove(struct spi_device *spi)
+{
+ struct iio_dev *indio_dev = spi_get_drvdata(spi);
+ struct adis *adis = iio_priv(indio_dev);
+
+ iio_device_unregister(indio_dev);
+ adis16260_stop_device(indio_dev);
+ adis_cleanup_buffer_and_trigger(adis, indio_dev);
+
+ return 0;
+}
+
+/*
+ * These parts do not need to be differentiated until someone adds
+ * support for the on chip filtering.
+ */
+static const struct spi_device_id adis16260_id[] = {
+ {"adis16260", 0},
+ {"adis16265", 0},
+ {"adis16250", 0},
+ {"adis16255", 0},
+ {"adis16251", 1},
+ {}
+};
+MODULE_DEVICE_TABLE(spi, adis16260_id);
+
+static struct spi_driver adis16260_driver = {
+ .driver = {
+ .name = "adis16260",
+ .owner = THIS_MODULE,
+ },
+ .probe = adis16260_probe,
+ .remove = adis16260_remove,
+ .id_table = adis16260_id,
+};
+module_spi_driver(adis16260_driver);
+
+MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
+MODULE_DESCRIPTION("Analog Devices ADIS16260/5 Digital Gyroscope Sensor");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/gyro/adxrs450.c b/drivers/iio/gyro/adxrs450.c
index 8bd72b490b7..6dab2995f0f 100644
--- a/drivers/iio/gyro/adxrs450.c
+++ b/drivers/iio/gyro/adxrs450.c
@@ -426,11 +426,9 @@ static int adxrs450_probe(struct spi_device *spi)
struct iio_dev *indio_dev;
/* setup the industrialio driver allocated elements */
- indio_dev = iio_device_alloc(sizeof(*st));
- if (indio_dev == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
+ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+ if (!indio_dev)
+ return -ENOMEM;
st = iio_priv(indio_dev);
st->us = spi;
mutex_init(&st->buf_lock);
@@ -447,7 +445,7 @@ static int adxrs450_probe(struct spi_device *spi)
ret = iio_device_register(indio_dev);
if (ret)
- goto error_free_dev;
+ return ret;
/* Get the device into a sane initial state */
ret = adxrs450_initial_setup(indio_dev);
@@ -456,17 +454,12 @@ static int adxrs450_probe(struct spi_device *spi)
return 0;
error_initial:
iio_device_unregister(indio_dev);
-error_free_dev:
- iio_device_free(indio_dev);
-
-error_ret:
return ret;
}
static int adxrs450_remove(struct spi_device *spi)
{
iio_device_unregister(spi_get_drvdata(spi));
- iio_device_free(spi_get_drvdata(spi));
return 0;
}
diff --git a/drivers/iio/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c
index bc943dd47da..c688d974d3e 100644
--- a/drivers/iio/gyro/hid-sensor-gyro-3d.c
+++ b/drivers/iio/gyro/hid-sensor-gyro-3d.c
@@ -30,10 +30,6 @@
#include <linux/iio/triggered_buffer.h>
#include "../common/hid-sensors/hid-sensor-trigger.h"
-/*Format: HID-SENSOR-usage_id_in_hex*/
-/*Usage ID from spec for Gyro-3D: 0x200076*/
-#define DRIVER_NAME "HID-SENSOR-200076"
-
enum gyro_3d_channel {
CHANNEL_SCAN_INDEX_X,
CHANNEL_SCAN_INDEX_Y,
@@ -179,18 +175,10 @@ static int gyro_3d_write_raw(struct iio_dev *indio_dev,
return ret;
}
-static int gyro_3d_write_raw_get_fmt(struct iio_dev *indio_dev,
- struct iio_chan_spec const *chan,
- long mask)
-{
- return IIO_VAL_INT_PLUS_MICRO;
-}
-
static const struct iio_info gyro_3d_info = {
.driver_module = THIS_MODULE,
.read_raw = &gyro_3d_read_raw,
.write_raw = &gyro_3d_write_raw,
- .write_raw_get_fmt = &gyro_3d_write_raw_get_fmt,
};
/* Function to push data to buffer */
@@ -286,11 +274,9 @@ static int hid_gyro_3d_probe(struct platform_device *pdev)
struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data;
struct iio_chan_spec *channels;
- indio_dev = iio_device_alloc(sizeof(struct gyro_3d_state));
- if (indio_dev == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
+ indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*gyro_state));
+ if (!indio_dev)
+ return -ENOMEM;
platform_set_drvdata(pdev, indio_dev);
gyro_state = iio_priv(indio_dev);
@@ -302,15 +288,14 @@ static int hid_gyro_3d_probe(struct platform_device *pdev)
&gyro_state->common_attributes);
if (ret) {
dev_err(&pdev->dev, "failed to setup common attributes\n");
- goto error_free_dev;
+ return ret;
}
channels = kmemdup(gyro_3d_channels, sizeof(gyro_3d_channels),
GFP_KERNEL);
if (!channels) {
- ret = -ENOMEM;
dev_err(&pdev->dev, "failed to duplicate channels\n");
- goto error_free_dev;
+ return -ENOMEM;
}
ret = gyro_3d_parse_report(pdev, hsdev, channels,
@@ -367,9 +352,6 @@ error_unreg_buffer_funcs:
iio_triggered_buffer_cleanup(indio_dev);
error_free_dev_mem:
kfree(indio_dev->channels);
-error_free_dev:
- iio_device_free(indio_dev);
-error_ret:
return ret;
}
@@ -384,14 +366,23 @@ static int hid_gyro_3d_remove(struct platform_device *pdev)
hid_sensor_remove_trigger(indio_dev);
iio_triggered_buffer_cleanup(indio_dev);
kfree(indio_dev->channels);
- iio_device_free(indio_dev);
return 0;
}
+static struct platform_device_id hid_gyro_3d_ids[] = {
+ {
+ /* Format: HID-SENSOR-usage_id_in_hex_lowercase */
+ .name = "HID-SENSOR-200076",
+ },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(platform, hid_gyro_3d_ids);
+
static struct platform_driver hid_gyro_3d_platform_driver = {
+ .id_table = hid_gyro_3d_ids,
.driver = {
- .name = DRIVER_NAME,
+ .name = KBUILD_MODNAME,
.owner = THIS_MODULE,
},
.probe = hid_gyro_3d_probe,
diff --git a/drivers/iio/gyro/itg3200_core.c b/drivers/iio/gyro/itg3200_core.c
index d66605d2629..4d3f3b92b36 100644
--- a/drivers/iio/gyro/itg3200_core.c
+++ b/drivers/iio/gyro/itg3200_core.c
@@ -309,11 +309,9 @@ static int itg3200_probe(struct i2c_client *client,
dev_dbg(&client->dev, "probe I2C dev with IRQ %i", client->irq);
- indio_dev = iio_device_alloc(sizeof(*st));
- if (indio_dev == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
+ indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*st));
+ if (!indio_dev)
+ return -ENOMEM;
st = iio_priv(indio_dev);
@@ -330,7 +328,7 @@ static int itg3200_probe(struct i2c_client *client,
ret = itg3200_buffer_configure(indio_dev);
if (ret)
- goto error_free_dev;
+ return ret;
if (client->irq) {
ret = itg3200_probe_trigger(indio_dev);
@@ -353,9 +351,6 @@ error_remove_trigger:
itg3200_remove_trigger(indio_dev);
error_unconfigure_buffer:
itg3200_buffer_unconfigure(indio_dev);
-error_free_dev:
- iio_device_free(indio_dev);
-error_ret:
return ret;
}
@@ -370,8 +365,6 @@ static int itg3200_remove(struct i2c_client *client)
itg3200_buffer_unconfigure(indio_dev);
- iio_device_free(indio_dev);
-
return 0;
}
diff --git a/drivers/iio/gyro/st_gyro.h b/drivers/iio/gyro/st_gyro.h
index 3ad9907bb15..f8f2bf84a5a 100644
--- a/drivers/iio/gyro/st_gyro.h
+++ b/drivers/iio/gyro/st_gyro.h
@@ -23,7 +23,16 @@
#define L3G4IS_GYRO_DEV_NAME "l3g4is_ui"
#define LSM330_GYRO_DEV_NAME "lsm330_gyro"
-int st_gyro_common_probe(struct iio_dev *indio_dev);
+/**
+ * struct st_sensors_platform_data - gyro platform data
+ * @drdy_int_pin: DRDY on gyros is available only on INT2 pin.
+ */
+static const struct st_sensors_platform_data gyro_pdata = {
+ .drdy_int_pin = 2,
+};
+
+int st_gyro_common_probe(struct iio_dev *indio_dev,
+ struct st_sensors_platform_data *pdata);
void st_gyro_common_remove(struct iio_dev *indio_dev);
#ifdef CONFIG_IIO_BUFFER
diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c
index f9ed3488c31..e13c2b0bf3d 100644
--- a/drivers/iio/gyro/st_gyro_core.c
+++ b/drivers/iio/gyro/st_gyro_core.c
@@ -60,7 +60,7 @@
#define ST_GYRO_1_BDU_ADDR 0x23
#define ST_GYRO_1_BDU_MASK 0x80
#define ST_GYRO_1_DRDY_IRQ_ADDR 0x22
-#define ST_GYRO_1_DRDY_IRQ_MASK 0x08
+#define ST_GYRO_1_DRDY_IRQ_INT2_MASK 0x08
#define ST_GYRO_1_MULTIREAD_BIT true
/* CUSTOM VALUES FOR SENSOR 2 */
@@ -84,7 +84,7 @@
#define ST_GYRO_2_BDU_ADDR 0x23
#define ST_GYRO_2_BDU_MASK 0x80
#define ST_GYRO_2_DRDY_IRQ_ADDR 0x22
-#define ST_GYRO_2_DRDY_IRQ_MASK 0x08
+#define ST_GYRO_2_DRDY_IRQ_INT2_MASK 0x08
#define ST_GYRO_2_MULTIREAD_BIT true
static const struct iio_chan_spec st_gyro_16bit_channels[] = {
@@ -158,7 +158,7 @@ static const struct st_sensors st_gyro_sensors[] = {
},
.drdy_irq = {
.addr = ST_GYRO_1_DRDY_IRQ_ADDR,
- .mask = ST_GYRO_1_DRDY_IRQ_MASK,
+ .mask_int2 = ST_GYRO_1_DRDY_IRQ_INT2_MASK,
},
.multi_read_bit = ST_GYRO_1_MULTIREAD_BIT,
.bootime = 2,
@@ -221,7 +221,7 @@ static const struct st_sensors st_gyro_sensors[] = {
},
.drdy_irq = {
.addr = ST_GYRO_2_DRDY_IRQ_ADDR,
- .mask = ST_GYRO_2_DRDY_IRQ_MASK,
+ .mask_int2 = ST_GYRO_2_DRDY_IRQ_INT2_MASK,
},
.multi_read_bit = ST_GYRO_2_MULTIREAD_BIT,
.bootime = 2,
@@ -302,7 +302,8 @@ static const struct iio_trigger_ops st_gyro_trigger_ops = {
#define ST_GYRO_TRIGGER_OPS NULL
#endif
-int st_gyro_common_probe(struct iio_dev *indio_dev)
+int st_gyro_common_probe(struct iio_dev *indio_dev,
+ struct st_sensors_platform_data *pdata)
{
int err;
struct st_sensor_data *gdata = iio_priv(indio_dev);
@@ -324,7 +325,7 @@ int st_gyro_common_probe(struct iio_dev *indio_dev)
&gdata->sensor->fs.fs_avl[0];
gdata->odr = gdata->sensor->odr.odr_avl[0].hz;
- err = st_sensors_init_sensor(indio_dev);
+ err = st_sensors_init_sensor(indio_dev, pdata);
if (err < 0)
goto st_gyro_common_probe_error;
@@ -365,7 +366,6 @@ void st_gyro_common_remove(struct iio_dev *indio_dev)
st_sensors_deallocate_trigger(indio_dev);
st_gyro_deallocate_ring(indio_dev);
}
- iio_device_free(indio_dev);
}
EXPORT_SYMBOL(st_gyro_common_remove);
diff --git a/drivers/iio/gyro/st_gyro_i2c.c b/drivers/iio/gyro/st_gyro_i2c.c
index 8a310500573..16b8b8d70bf 100644
--- a/drivers/iio/gyro/st_gyro_i2c.c
+++ b/drivers/iio/gyro/st_gyro_i2c.c
@@ -25,27 +25,21 @@ static int st_gyro_i2c_probe(struct i2c_client *client,
struct st_sensor_data *gdata;
int err;
- indio_dev = iio_device_alloc(sizeof(*gdata));
- if (indio_dev == NULL) {
- err = -ENOMEM;
- goto iio_device_alloc_error;
- }
+ indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*gdata));
+ if (!indio_dev)
+ return -ENOMEM;
gdata = iio_priv(indio_dev);
gdata->dev = &client->dev;
st_sensors_i2c_configure(indio_dev, client, gdata);
- err = st_gyro_common_probe(indio_dev);
+ err = st_gyro_common_probe(indio_dev,
+ (struct st_sensors_platform_data *)&gyro_pdata);
if (err < 0)
- goto st_gyro_common_probe_error;
+ return err;
return 0;
-
-st_gyro_common_probe_error:
- iio_device_free(indio_dev);
-iio_device_alloc_error:
- return err;
}
static int st_gyro_i2c_remove(struct i2c_client *client)
diff --git a/drivers/iio/gyro/st_gyro_spi.c b/drivers/iio/gyro/st_gyro_spi.c
index f3540390eb2..94763e25caf 100644
--- a/drivers/iio/gyro/st_gyro_spi.c
+++ b/drivers/iio/gyro/st_gyro_spi.c
@@ -24,27 +24,21 @@ static int st_gyro_spi_probe(struct spi_device *spi)
struct st_sensor_data *gdata;
int err;
- indio_dev = iio_device_alloc(sizeof(*gdata));
- if (indio_dev == NULL) {
- err = -ENOMEM;
- goto iio_device_alloc_error;
- }
+ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*gdata));
+ if (!indio_dev)
+ return -ENOMEM;
gdata = iio_priv(indio_dev);
gdata->dev = &spi->dev;
st_sensors_spi_configure(indio_dev, spi, gdata);
- err = st_gyro_common_probe(indio_dev);
+ err = st_gyro_common_probe(indio_dev,
+ (struct st_sensors_platform_data *)&gyro_pdata);
if (err < 0)
- goto st_gyro_common_probe_error;
+ return err;
return 0;
-
-st_gyro_common_probe_error:
- iio_device_free(indio_dev);
-iio_device_alloc_error:
- return err;
}
static int st_gyro_spi_remove(struct spi_device *spi)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-05 21:48:29 +0000