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yaml
---
r: 337998
b: refs/heads/master
c: 5bd22f5
h: refs/heads/master
v: v3
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Lars-Peter Clausen authored and Jonathan Cameron committed Nov 19, 2012
1 parent 8edb2d2 commit 0351b80
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Showing 7 changed files with 71 additions and 673 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: 3bff7eb06d580f0ea4b0938c0757afc465c8402c
refs/heads/master: 5bd22f516e43617edc80c56c9e4c44426aa36a2f
4 changes: 2 additions & 2 deletions trunk/drivers/staging/iio/accel/Kconfig
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Expand Up @@ -24,8 +24,8 @@ config ADIS16203
config ADIS16204
tristate "Analog Devices ADIS16204 Programmable High-g Digital Impact Sensor and Recorder"
depends on SPI
select IIO_TRIGGER if IIO_BUFFER
select IIO_SW_RING if IIO_BUFFER
select IIO_ADIS_LIB
select IIO_ADIS_LIB_BUFFER if IIO_BUFFER
help
Say yes here to build support for Analog Devices adis16204 Programmable
High-g Digital Impact Sensor and Recorder.
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1 change: 0 additions & 1 deletion trunk/drivers/staging/iio/accel/Makefile
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Expand Up @@ -9,7 +9,6 @@ adis16203-y := adis16203_core.o
obj-$(CONFIG_ADIS16203) += adis16203.o

adis16204-y := adis16204_core.o
adis16204-$(CONFIG_IIO_BUFFER) += adis16204_ring.o adis16204_trigger.o
obj-$(CONFIG_ADIS16204) += adis16204.o

adis16209-y := adis16209_core.o
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79 changes: 7 additions & 72 deletions trunk/drivers/staging/iio/accel/adis16204.h
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Expand Up @@ -3,9 +3,6 @@

#define ADIS16204_STARTUP_DELAY 220 /* ms */

#define ADIS16204_READ_REG(a) a
#define ADIS16204_WRITE_REG(a) ((a) | 0x80)

#define ADIS16204_FLASH_CNT 0x00 /* Flash memory write count */
#define ADIS16204_SUPPLY_OUT 0x02 /* Output, power supply */
#define ADIS16204_XACCL_OUT 0x04 /* Output, x-axis accelerometer */
Expand Down Expand Up @@ -35,8 +32,6 @@
#define ADIS16204_DIAG_STAT 0x3C /* Diagnostics, system status register */
#define ADIS16204_GLOB_CMD 0x3E /* Operation, system command register */

#define ADIS16204_OUTPUTS 5

/* MSC_CTRL */
#define ADIS16204_MSC_CTRL_PWRUP_SELF_TEST (1 << 10) /* Self-test at power-on: 1 = disabled, 0 = enabled */
#define ADIS16204_MSC_CTRL_SELF_TEST_EN (1 << 8) /* Self-test enable */
Expand All @@ -47,87 +42,27 @@
/* DIAG_STAT */
#define ADIS16204_DIAG_STAT_ALARM2 (1<<9) /* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */
#define ADIS16204_DIAG_STAT_ALARM1 (1<<8) /* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */
#define ADIS16204_DIAG_STAT_SELFTEST_FAIL (1<<5) /* Self-test diagnostic error flag: 1 = error condition,
#define ADIS16204_DIAG_STAT_SELFTEST_FAIL_BIT 5 /* Self-test diagnostic error flag: 1 = error condition,
0 = normal operation */
#define ADIS16204_DIAG_STAT_SPI_FAIL (1<<3) /* SPI communications failure */
#define ADIS16204_DIAG_STAT_FLASH_UPT (1<<2) /* Flash update failure */
#define ADIS16204_DIAG_STAT_POWER_HIGH (1<<1) /* Power supply above 3.625 V */
#define ADIS16204_DIAG_STAT_POWER_LOW (1<<0) /* Power supply below 2.975 V */
#define ADIS16204_DIAG_STAT_SPI_FAIL_BIT 3 /* SPI communications failure */
#define ADIS16204_DIAG_STAT_FLASH_UPT_BIT 2 /* Flash update failure */
#define ADIS16204_DIAG_STAT_POWER_HIGH_BIT 1 /* Power supply above 3.625 V */
#define ADIS16204_DIAG_STAT_POWER_LOW_BIT 0 /* Power supply below 2.975 V */

/* GLOB_CMD */
#define ADIS16204_GLOB_CMD_SW_RESET (1<<7)
#define ADIS16204_GLOB_CMD_CLEAR_STAT (1<<4)
#define ADIS16204_GLOB_CMD_FACTORY_CAL (1<<1)

#define ADIS16204_MAX_TX 24
#define ADIS16204_MAX_RX 24

#define ADIS16204_ERROR_ACTIVE (1<<14)

/**
* struct adis16204_state - device instance specific data
* @us: actual spi_device
* @trig: data ready trigger registered with iio
* @tx: transmit buffer
* @rx: receive buffer
* @buf_lock: mutex to protect tx and rx
**/
struct adis16204_state {
struct spi_device *us;
struct iio_trigger *trig;
struct mutex buf_lock;
u8 tx[ADIS16204_MAX_TX] ____cacheline_aligned;
u8 rx[ADIS16204_MAX_RX];
};

int adis16204_set_irq(struct iio_dev *indio_dev, bool enable);

enum adis16204_scan {
ADIS16204_SCAN_SUPPLY,
ADIS16204_SCAN_ACC_X,
ADIS16204_SCAN_ACC_Y,
ADIS16204_SCAN_ACC_XY,
ADIS16204_SCAN_SUPPLY,
ADIS16204_SCAN_AUX_ADC,
ADIS16204_SCAN_TEMP,
};

#ifdef CONFIG_IIO_BUFFER
void adis16204_remove_trigger(struct iio_dev *indio_dev);
int adis16204_probe_trigger(struct iio_dev *indio_dev);

ssize_t adis16204_read_data_from_ring(struct device *dev,
struct device_attribute *attr,
char *buf);

int adis16204_configure_ring(struct iio_dev *indio_dev);
void adis16204_unconfigure_ring(struct iio_dev *indio_dev);

#else /* CONFIG_IIO_BUFFER */

static inline void adis16204_remove_trigger(struct iio_dev *indio_dev)
{
}

static inline int adis16204_probe_trigger(struct iio_dev *indio_dev)
{
return 0;
}

static inline ssize_t
adis16204_read_data_from_ring(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return 0;
}

static int adis16204_configure_ring(struct iio_dev *indio_dev)
{
return 0;
}

static inline void adis16204_unconfigure_ring(struct iio_dev *indio_dev)
{
}

#endif /* CONFIG_IIO_BUFFER */
#endif /* SPI_ADIS16204_H_ */
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