diff --git a/drivers/staging/iio/accel/Kconfig b/drivers/staging/iio/accel/Kconfig index affa732ef517..2b54430f2d99 100644 --- a/drivers/staging/iio/accel/Kconfig +++ b/drivers/staging/iio/accel/Kconfig @@ -42,6 +42,7 @@ config ADIS16209 config ADIS16220 tristate "Analog Devices ADIS16220 Programmable Digital Vibration Sensor" depends on SPI + select IIO_ADIS_LIB help Say yes here to build support for Analog Devices adis16220 programmable digital vibration sensor. @@ -49,8 +50,8 @@ config ADIS16220 config ADIS16240 tristate "Analog Devices ADIS16240 Programmable 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 adis16240 programmable impact Sensor and recorder. diff --git a/drivers/staging/iio/accel/Makefile b/drivers/staging/iio/accel/Makefile index 3cb9c67a29b8..8e7ee0368519 100644 --- a/drivers/staging/iio/accel/Makefile +++ b/drivers/staging/iio/accel/Makefile @@ -18,7 +18,6 @@ adis16220-y := adis16220_core.o obj-$(CONFIG_ADIS16220) += adis16220.o adis16240-y := adis16240_core.o -adis16240-$(CONFIG_IIO_BUFFER) += adis16240_ring.o adis16240_trigger.o obj-$(CONFIG_ADIS16240) += adis16240.o obj-$(CONFIG_KXSD9) += kxsd9.o diff --git a/drivers/staging/iio/accel/adis16240.h b/drivers/staging/iio/accel/adis16240.h index 3fabcc0b3471..d442d49f51f4 100644 --- a/drivers/staging/iio/accel/adis16240.h +++ b/drivers/staging/iio/accel/adis16240.h @@ -3,9 +3,6 @@ #define ADIS16240_STARTUP_DELAY 220 /* ms */ -#define ADIS16240_READ_REG(a) a -#define ADIS16240_WRITE_REG(a) ((a) | 0x80) - /* Flash memory write count */ #define ADIS16240_FLASH_CNT 0x00 /* Output, power supply */ @@ -75,8 +72,6 @@ /* System command */ #define ADIS16240_GLOB_CMD 0x4A -#define ADIS16240_OUTPUTS 6 - /* MSC_CTRL */ /* Enables sum-of-squares output (XYZPEAK_OUT) */ #define ADIS16240_MSC_CTRL_XYZPEAK_OUT_EN (1 << 15) @@ -101,17 +96,17 @@ /* Flash test, checksum flag: 1 = mismatch, 0 = match */ #define ADIS16240_DIAG_STAT_CHKSUM (1<<6) /* Power-on, self-test flag: 1 = failure, 0 = pass */ -#define ADIS16240_DIAG_STAT_PWRON_FAIL (1<<5) +#define ADIS16240_DIAG_STAT_PWRON_FAIL_BIT 5 /* Power-on self-test: 1 = in-progress, 0 = complete */ #define ADIS16240_DIAG_STAT_PWRON_BUSY (1<<4) /* SPI communications failure */ -#define ADIS16240_DIAG_STAT_SPI_FAIL (1<<3) +#define ADIS16240_DIAG_STAT_SPI_FAIL_BIT 3 /* Flash update failure */ -#define ADIS16240_DIAG_STAT_FLASH_UPT (1<<2) +#define ADIS16240_DIAG_STAT_FLASH_UPT_BIT 2 /* Power supply above 3.625 V */ -#define ADIS16240_DIAG_STAT_POWER_HIGH (1<<1) +#define ADIS16240_DIAG_STAT_POWER_HIGH_BIT 1 /* Power supply below 3.15 V */ -#define ADIS16240_DIAG_STAT_POWER_LOW (1<<0) +#define ADIS16240_DIAG_STAT_POWER_LOW_BIT 0 /* GLOB_CMD */ #define ADIS16240_GLOB_CMD_RESUME (1<<8) @@ -120,77 +115,15 @@ #define ADIS16240_ERROR_ACTIVE (1<<14) -#define ADIS16240_MAX_TX 24 -#define ADIS16240_MAX_RX 24 - -/** - * struct adis16240_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 adis16240_state { - struct spi_device *us; - struct iio_trigger *trig; - struct mutex buf_lock; - u8 tx[ADIS16240_MAX_TX] ____cacheline_aligned; - u8 rx[ADIS16240_MAX_RX]; -}; - -int adis16240_set_irq(struct iio_dev *indio_dev, bool enable); - /* At the moment triggers are only used for ring buffer * filling. This may change! */ -#define ADIS16240_SCAN_SUPPLY 0 -#define ADIS16240_SCAN_ACC_X 1 -#define ADIS16240_SCAN_ACC_Y 2 -#define ADIS16240_SCAN_ACC_Z 3 +#define ADIS16240_SCAN_ACC_X 0 +#define ADIS16240_SCAN_ACC_Y 1 +#define ADIS16240_SCAN_ACC_Z 2 +#define ADIS16240_SCAN_SUPPLY 3 #define ADIS16240_SCAN_AUX_ADC 4 #define ADIS16240_SCAN_TEMP 5 -#ifdef CONFIG_IIO_BUFFER -void adis16240_remove_trigger(struct iio_dev *indio_dev); -int adis16240_probe_trigger(struct iio_dev *indio_dev); - -ssize_t adis16240_read_data_from_ring(struct device *dev, - struct device_attribute *attr, - char *buf); - - -int adis16240_configure_ring(struct iio_dev *indio_dev); -void adis16240_unconfigure_ring(struct iio_dev *indio_dev); - -#else /* CONFIG_IIO_BUFFER */ - -static inline void adis16240_remove_trigger(struct iio_dev *indio_dev) -{ -} - -static inline int adis16240_probe_trigger(struct iio_dev *indio_dev) -{ - return 0; -} - -static inline ssize_t -adis16240_read_data_from_ring(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return 0; -} - -static int adis16240_configure_ring(struct iio_dev *indio_dev) -{ - return 0; -} - -static inline void adis16240_unconfigure_ring(struct iio_dev *indio_dev) -{ -} - -#endif /* CONFIG_IIO_BUFFER */ #endif /* SPI_ADIS16240_H_ */ diff --git a/drivers/staging/iio/accel/adis16240_core.c b/drivers/staging/iio/accel/adis16240_core.c index 289f81963c82..019a31e22038 100644 --- a/drivers/staging/iio/accel/adis16240_core.c +++ b/drivers/staging/iio/accel/adis16240_core.c @@ -24,128 +24,7 @@ #include #include "adis16240.h" - -static int adis16240_check_status(struct iio_dev *indio_dev); - -/** - * adis16240_spi_write_reg_8() - write single byte to a register - * @indio_dev: iio_dev associated with device - * @reg_address: the address of the register to be written - * @val: the value to write - **/ -static int adis16240_spi_write_reg_8(struct iio_dev *indio_dev, - u8 reg_address, - u8 val) -{ - int ret; - struct adis16240_state *st = iio_priv(indio_dev); - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16240_WRITE_REG(reg_address); - st->tx[1] = val; - - ret = spi_write(st->us, st->tx, 2); - mutex_unlock(&st->buf_lock); - - return ret; -} - -/** - * adis16240_spi_write_reg_16() - write 2 bytes to a pair of registers - * @indio_dev: iio_dev for this 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 adis16240_spi_write_reg_16(struct iio_dev *indio_dev, - u8 lower_reg_address, - u16 value) -{ - int ret; - struct spi_message msg; - struct adis16240_state *st = iio_priv(indio_dev); - struct spi_transfer xfers[] = { - { - .tx_buf = st->tx, - .bits_per_word = 8, - .len = 2, - .cs_change = 1, - .delay_usecs = 35, - }, { - .tx_buf = st->tx + 2, - .bits_per_word = 8, - .len = 2, - .delay_usecs = 35, - }, - }; - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16240_WRITE_REG(lower_reg_address); - st->tx[1] = value & 0xFF; - st->tx[2] = ADIS16240_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; -} - -/** - * adis16240_spi_read_reg_16() - read 2 bytes from a 16-bit register - * @indio_dev: iio_dev for this 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 adis16240_spi_read_reg_16(struct iio_dev *indio_dev, - u8 lower_reg_address, - u16 *val) -{ - struct spi_message msg; - struct adis16240_state *st = iio_priv(indio_dev); - int ret; - struct spi_transfer xfers[] = { - { - .tx_buf = st->tx, - .bits_per_word = 8, - .len = 2, - .cs_change = 1, - .delay_usecs = 35, - }, { - .rx_buf = st->rx, - .bits_per_word = 8, - .len = 2, - .cs_change = 1, - .delay_usecs = 35, - }, - }; - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16240_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; -} +#include "../imu/adis.h" static ssize_t adis16240_spi_read_signed(struct device *dev, struct device_attribute *attr, @@ -153,18 +32,19 @@ static ssize_t adis16240_spi_read_signed(struct device *dev, unsigned bits) { struct iio_dev *indio_dev = dev_to_iio_dev(dev); + struct adis *st = iio_priv(indio_dev); int ret; s16 val = 0; unsigned shift = 16 - bits; struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - ret = adis16240_spi_read_reg_16(indio_dev, + ret = adis_read_reg_16(st, this_attr->address, (u16 *)&val); if (ret) return ret; if (val & ADIS16240_ERROR_ACTIVE) - adis16240_check_status(indio_dev); + adis_check_status(st); val = ((s16)(val << shift) >> shift); return sprintf(buf, "%d\n", val); @@ -185,152 +65,16 @@ static ssize_t adis16240_read_12bit_signed(struct device *dev, return ret; } -static int adis16240_reset(struct iio_dev *indio_dev) -{ - int ret; - ret = adis16240_spi_write_reg_8(indio_dev, - ADIS16240_GLOB_CMD, - ADIS16240_GLOB_CMD_SW_RESET); - if (ret) - dev_err(&indio_dev->dev, "problem resetting device"); - - return ret; -} - -int adis16240_set_irq(struct iio_dev *indio_dev, bool enable) -{ - int ret = 0; - u16 msc; - - ret = adis16240_spi_read_reg_16(indio_dev, - ADIS16240_MSC_CTRL, &msc); - if (ret) - goto error_ret; - - msc |= ADIS16240_MSC_CTRL_ACTIVE_HIGH; - msc &= ~ADIS16240_MSC_CTRL_DATA_RDY_DIO2; - if (enable) - msc |= ADIS16240_MSC_CTRL_DATA_RDY_EN; - else - msc &= ~ADIS16240_MSC_CTRL_DATA_RDY_EN; - - ret = adis16240_spi_write_reg_16(indio_dev, - ADIS16240_MSC_CTRL, msc); - -error_ret: - return ret; -} - -static int adis16240_self_test(struct iio_dev *indio_dev) -{ - int ret; - ret = adis16240_spi_write_reg_16(indio_dev, - ADIS16240_MSC_CTRL, - ADIS16240_MSC_CTRL_SELF_TEST_EN); - if (ret) { - dev_err(&indio_dev->dev, "problem starting self test"); - goto err_ret; - } - - msleep(ADIS16240_STARTUP_DELAY); - - adis16240_check_status(indio_dev); - -err_ret: - return ret; -} - -static int adis16240_check_status(struct iio_dev *indio_dev) -{ - u16 status; - int ret; - struct device *dev = &indio_dev->dev; - - ret = adis16240_spi_read_reg_16(indio_dev, - ADIS16240_DIAG_STAT, &status); - - if (ret < 0) { - dev_err(dev, "Reading status failed\n"); - goto error_ret; - } - - ret = status & 0x2F; - if (status & ADIS16240_DIAG_STAT_PWRON_FAIL) - dev_err(dev, "Power-on, self-test fail\n"); - if (status & ADIS16240_DIAG_STAT_SPI_FAIL) - dev_err(dev, "SPI failure\n"); - if (status & ADIS16240_DIAG_STAT_FLASH_UPT) - dev_err(dev, "Flash update failed\n"); - if (status & ADIS16240_DIAG_STAT_POWER_HIGH) - dev_err(dev, "Power supply above 3.625V\n"); - if (status & ADIS16240_DIAG_STAT_POWER_LOW) - dev_err(dev, "Power supply below 2.225V\n"); - -error_ret: - return ret; -} - -static int adis16240_initial_setup(struct iio_dev *indio_dev) -{ - int ret; - struct device *dev = &indio_dev->dev; - - /* Disable IRQ */ - ret = adis16240_set_irq(indio_dev, false); - if (ret) { - dev_err(dev, "disable irq failed"); - goto err_ret; - } - - /* Do self test */ - ret = adis16240_self_test(indio_dev); - if (ret) { - dev_err(dev, "self test failure"); - goto err_ret; - } - - /* Read status register to check the result */ - ret = adis16240_check_status(indio_dev); - if (ret) { - adis16240_reset(indio_dev); - dev_err(dev, "device not playing ball -> reset"); - msleep(ADIS16240_STARTUP_DELAY); - ret = adis16240_check_status(indio_dev); - if (ret) { - dev_err(dev, "giving up"); - goto err_ret; - } - } - -err_ret: - return ret; -} - static IIO_DEVICE_ATTR(in_accel_xyz_squared_peak_raw, S_IRUGO, adis16240_read_12bit_signed, NULL, ADIS16240_XYZPEAK_OUT); static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("4096"); -enum adis16240_chan { - in_supply, - in_aux, - accel_x, - accel_y, - accel_z, - temp, -}; - -static const u8 adis16240_addresses[6][3] = { - [in_supply] = { ADIS16240_SUPPLY_OUT }, - [in_aux] = { ADIS16240_AUX_ADC }, - [accel_x] = { ADIS16240_XACCL_OUT, ADIS16240_XACCL_OFF, - ADIS16240_XPEAK_OUT }, - [accel_y] = { ADIS16240_YACCL_OUT, ADIS16240_YACCL_OFF, - ADIS16240_YPEAK_OUT }, - [accel_z] = { ADIS16240_ZACCL_OUT, ADIS16240_ZACCL_OFF, - ADIS16240_ZPEAK_OUT }, - [temp] = { ADIS16240_TEMP_OUT }, +static const u8 adis16240_addresses[][2] = { + [ADIS16240_SCAN_ACC_X] = { ADIS16240_XACCL_OFF, ADIS16240_XPEAK_OUT }, + [ADIS16240_SCAN_ACC_Y] = { ADIS16240_YACCL_OFF, ADIS16240_YPEAK_OUT }, + [ADIS16240_SCAN_ACC_Z] = { ADIS16240_ZACCL_OFF, ADIS16240_ZPEAK_OUT }, }; static int adis16240_read_raw(struct iio_dev *indio_dev, @@ -338,6 +82,7 @@ static int adis16240_read_raw(struct iio_dev *indio_dev, int *val, int *val2, long mask) { + struct adis *st = iio_priv(indio_dev); int ret; int bits; u8 addr; @@ -345,29 +90,8 @@ static int adis16240_read_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_RAW: - mutex_lock(&indio_dev->mlock); - addr = adis16240_addresses[chan->address][0]; - ret = adis16240_spi_read_reg_16(indio_dev, addr, &val16); - if (ret) { - mutex_unlock(&indio_dev->mlock); - return ret; - } - - if (val16 & ADIS16240_ERROR_ACTIVE) { - ret = adis16240_check_status(indio_dev); - if (ret) { - mutex_unlock(&indio_dev->mlock); - 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; + return adis_single_conversion(indio_dev, chan, + ADIS16240_ERROR_ACTIVE, val); case IIO_CHAN_INFO_SCALE: switch (chan->type) { case IIO_VOLTAGE: @@ -400,8 +124,8 @@ static int adis16240_read_raw(struct iio_dev *indio_dev, case IIO_CHAN_INFO_CALIBBIAS: bits = 10; mutex_lock(&indio_dev->mlock); - addr = adis16240_addresses[chan->address][1]; - ret = adis16240_spi_read_reg_16(indio_dev, addr, &val16); + addr = adis16240_addresses[chan->scan_index][0]; + ret = adis_read_reg_16(st, addr, &val16); if (ret) { mutex_unlock(&indio_dev->mlock); return ret; @@ -414,8 +138,8 @@ static int adis16240_read_raw(struct iio_dev *indio_dev, case IIO_CHAN_INFO_PEAK: bits = 10; mutex_lock(&indio_dev->mlock); - addr = adis16240_addresses[chan->address][2]; - ret = adis16240_spi_read_reg_16(indio_dev, addr, &val16); + addr = adis16240_addresses[chan->scan_index][1]; + ret = adis_read_reg_16(st, addr, &val16); if (ret) { mutex_unlock(&indio_dev->mlock); return ret; @@ -435,104 +159,32 @@ static int adis16240_write_raw(struct iio_dev *indio_dev, int val2, long mask) { + struct adis *st = iio_priv(indio_dev); int bits = 10; s16 val16; u8 addr; switch (mask) { case IIO_CHAN_INFO_CALIBBIAS: val16 = val & ((1 << bits) - 1); - addr = adis16240_addresses[chan->address][1]; - return adis16240_spi_write_reg_16(indio_dev, addr, val16); + addr = adis16240_addresses[chan->scan_index][0]; + return adis_write_reg_16(st, addr, val16); } return -EINVAL; } static const struct iio_chan_spec adis16240_channels[] = { - { - .type = IIO_VOLTAGE, - .indexed = 1, - .channel = 0, - .extend_name = "supply", - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - .address = in_supply, - .scan_index = ADIS16240_SCAN_SUPPLY, - .scan_type = { - .sign = 'u', - .realbits = 10, - .storagebits = 16, - }, - }, { - .type = IIO_VOLTAGE, - .indexed = 1, - .channel = 1, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, - .address = in_aux, - .scan_index = ADIS16240_SCAN_AUX_ADC, - .scan_type = { - .sign = 'u', - .realbits = 10, - .storagebits = 16, - }, - }, { - .type = IIO_ACCEL, - .modified = 1, - .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT | + ADIS_SUPPLY_CHAN(ADIS16240_SUPPLY_OUT, ADIS16240_SCAN_SUPPLY, 10), + ADIS_AUX_ADC_CHAN(ADIS16240_AUX_ADC, ADIS16240_SCAN_AUX_ADC, 10), + ADIS_ACCEL_CHAN(X, ADIS16240_XACCL_OUT, ADIS16240_SCAN_ACC_X, IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | - IIO_CHAN_INFO_PEAK_SEPARATE_BIT, - .address = accel_x, - .scan_index = ADIS16240_SCAN_ACC_X, - .scan_type = { - .sign = 's', - .realbits = 10, - .storagebits = 16, - }, - }, { - .type = IIO_ACCEL, - .modified = 1, - .channel2 = IIO_MOD_Y, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT | + IIO_CHAN_INFO_PEAK_SEPARATE_BIT, 10), + ADIS_ACCEL_CHAN(Y, ADIS16240_YACCL_OUT, ADIS16240_SCAN_ACC_Y, IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | - IIO_CHAN_INFO_PEAK_SEPARATE_BIT, - .address = accel_y, - .scan_index = ADIS16240_SCAN_ACC_Y, - .scan_type = { - .sign = 's', - .realbits = 10, - .storagebits = 16, - }, - }, { - .type = IIO_ACCEL, - .modified = 1, - .channel2 = IIO_MOD_Z, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT | + IIO_CHAN_INFO_PEAK_SEPARATE_BIT, 10), + ADIS_ACCEL_CHAN(Z, ADIS16240_ZACCL_OUT, ADIS16240_SCAN_ACC_Z, IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | - IIO_CHAN_INFO_PEAK_SEPARATE_BIT, - .address = accel_z, - .scan_index = ADIS16240_SCAN_ACC_Z, - .scan_type = { - .sign = 's', - .realbits = 10, - .storagebits = 16, - }, - }, { - .type = IIO_TEMP, - .indexed = 1, - .channel = 0, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - .address = temp, - .scan_index = ADIS16240_SCAN_TEMP, - .scan_type = { - .sign = 'u', - .realbits = 10, - .storagebits = 16, - }, - }, + IIO_CHAN_INFO_PEAK_SEPARATE_BIT, 10), + ADIS_TEMP_CHAN(ADIS16240_TEMP_OUT, ADIS16240_SCAN_TEMP, 10), IIO_CHAN_SOFT_TIMESTAMP(6) }; @@ -553,10 +205,36 @@ static const struct iio_info adis16240_info = { .driver_module = THIS_MODULE, }; +static const char * const adis16240_status_error_msgs[] = { + [ADIS16240_DIAG_STAT_PWRON_FAIL_BIT] = "Power on, self-test failed", + [ADIS16240_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure", + [ADIS16240_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed", + [ADIS16240_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V", + [ADIS16240_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 2.225V", +}; + +static const struct adis_data adis16240_data = { + .write_delay = 35, + .read_delay = 35, + .msc_ctrl_reg = ADIS16240_MSC_CTRL, + .glob_cmd_reg = ADIS16240_GLOB_CMD, + .diag_stat_reg = ADIS16240_DIAG_STAT, + + .self_test_mask = ADIS16240_MSC_CTRL_SELF_TEST_EN, + .startup_delay = ADIS16240_STARTUP_DELAY, + + .status_error_msgs = adis16240_status_error_msgs, + .status_error_mask = BIT(ADIS16240_DIAG_STAT_PWRON_FAIL_BIT) | + BIT(ADIS16240_DIAG_STAT_SPI_FAIL_BIT) | + BIT(ADIS16240_DIAG_STAT_FLASH_UPT_BIT) | + BIT(ADIS16240_DIAG_STAT_POWER_HIGH_BIT) | + BIT(ADIS16240_DIAG_STAT_POWER_LOW_BIT), +}; + static int __devinit adis16240_probe(struct spi_device *spi) { int ret; - struct adis16240_state *st; + struct adis *st; struct iio_dev *indio_dev; /* setup the industrialio driver allocated elements */ @@ -569,9 +247,6 @@ static int __devinit adis16240_probe(struct spi_device *spi) /* this is only used for removal purposes */ spi_set_drvdata(spi, indio_dev); - st->us = spi; - mutex_init(&st->buf_lock); - indio_dev->name = spi->dev.driver->name; indio_dev->dev.parent = &spi->dev; indio_dev->info = &adis16240_info; @@ -579,39 +254,24 @@ static int __devinit adis16240_probe(struct spi_device *spi) indio_dev->num_channels = ARRAY_SIZE(adis16240_channels); indio_dev->modes = INDIO_DIRECT_MODE; - ret = adis16240_configure_ring(indio_dev); + ret = adis_init(st, indio_dev, spi, &adis16240_data); + if (ret) + goto error_free_dev; + ret = adis_setup_buffer_and_trigger(st, indio_dev, NULL); if (ret) goto error_free_dev; - ret = iio_buffer_register(indio_dev, - adis16240_channels, - ARRAY_SIZE(adis16240_channels)); - if (ret) { - printk(KERN_ERR "failed to initialize the ring\n"); - goto error_unreg_ring_funcs; - } - - if (spi->irq) { - ret = adis16240_probe_trigger(indio_dev); - if (ret) - goto error_uninitialize_ring; - } - /* Get the device into a sane initial state */ - ret = adis16240_initial_setup(indio_dev); + ret = adis_initial_startup(st); if (ret) - goto error_remove_trigger; + goto error_cleanup_buffer_trigger; ret = iio_device_register(indio_dev); if (ret) - goto error_remove_trigger; + goto error_cleanup_buffer_trigger; return 0; -error_remove_trigger: - adis16240_remove_trigger(indio_dev); -error_uninitialize_ring: - iio_buffer_unregister(indio_dev); -error_unreg_ring_funcs: - adis16240_unconfigure_ring(indio_dev); +error_cleanup_buffer_trigger: + adis_cleanup_buffer_and_trigger(st, indio_dev); error_free_dev: iio_device_free(indio_dev); error_ret: @@ -620,13 +280,11 @@ error_ret: static int __devexit adis16240_remove(struct spi_device *spi) { - struct iio_dev *indio_dev = spi_get_drvdata(spi); + struct adis *st = iio_priv(indio_dev); iio_device_unregister(indio_dev); - adis16240_remove_trigger(indio_dev); - iio_buffer_unregister(indio_dev); - adis16240_unconfigure_ring(indio_dev); + adis_cleanup_buffer_and_trigger(st, indio_dev); iio_device_free(indio_dev); return 0; diff --git a/drivers/staging/iio/accel/adis16240_ring.c b/drivers/staging/iio/accel/adis16240_ring.c deleted file mode 100644 index e2ac8a8c8107..000000000000 --- a/drivers/staging/iio/accel/adis16240_ring.c +++ /dev/null @@ -1,132 +0,0 @@ -#include -#include -#include -#include -#include -#include - -#include -#include "../ring_sw.h" -#include -#include "adis16240.h" - -/** - * adis16240_read_ring_data() read data registers which will be placed into ring - * @indio_dev: the IIO device - * @rx: somewhere to pass back the value read - **/ -static int adis16240_read_ring_data(struct iio_dev *indio_dev, u8 *rx) -{ - struct spi_message msg; - struct adis16240_state *st = iio_priv(indio_dev); - struct spi_transfer xfers[ADIS16240_OUTPUTS + 1]; - int ret; - int i; - - mutex_lock(&st->buf_lock); - - spi_message_init(&msg); - - memset(xfers, 0, sizeof(xfers)); - for (i = 0; i <= ADIS16240_OUTPUTS; i++) { - xfers[i].bits_per_word = 8; - xfers[i].cs_change = 1; - xfers[i].len = 2; - xfers[i].delay_usecs = 30; - xfers[i].tx_buf = st->tx + 2 * i; - st->tx[2 * i] - = ADIS16240_READ_REG(ADIS16240_SUPPLY_OUT + 2 * i); - st->tx[2 * i + 1] = 0; - if (i >= 1) - xfers[i].rx_buf = rx + 2 * (i - 1); - spi_message_add_tail(&xfers[i], &msg); - } - - ret = spi_sync(st->us, &msg); - if (ret) - dev_err(&st->us->dev, "problem when burst reading"); - - mutex_unlock(&st->buf_lock); - - return ret; -} - -static irqreturn_t adis16240_trigger_handler(int irq, void *p) -{ - struct iio_poll_func *pf = p; - struct iio_dev *indio_dev = pf->indio_dev; - struct adis16240_state *st = iio_priv(indio_dev); - - int i = 0; - s16 *data; - - data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL); - if (data == NULL) { - dev_err(&st->us->dev, "memory alloc failed in ring bh"); - goto done; - } - - if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength) && - adis16240_read_ring_data(indio_dev, st->rx) >= 0) - for (; i < bitmap_weight(indio_dev->active_scan_mask, - indio_dev->masklength); i++) - data[i] = be16_to_cpup((__be16 *)&(st->rx[i*2])); - - /* Guaranteed to be aligned with 8 byte boundary */ - if (indio_dev->scan_timestamp) - *((s64 *)(data + ((i + 3)/4)*4)) = pf->timestamp; - - iio_push_to_buffers(indio_dev, (u8 *)data); - - kfree(data); -done: - iio_trigger_notify_done(indio_dev->trig); - - return IRQ_HANDLED; -} - -void adis16240_unconfigure_ring(struct iio_dev *indio_dev) -{ - iio_dealloc_pollfunc(indio_dev->pollfunc); - iio_sw_rb_free(indio_dev->buffer); -} - -static const struct iio_buffer_setup_ops adis16240_ring_setup_ops = { - .preenable = &iio_sw_buffer_preenable, - .postenable = &iio_triggered_buffer_postenable, - .predisable = &iio_triggered_buffer_predisable, -}; - -int adis16240_configure_ring(struct iio_dev *indio_dev) -{ - int ret = 0; - struct iio_buffer *ring; - - ring = iio_sw_rb_allocate(indio_dev); - if (!ring) { - ret = -ENOMEM; - return ret; - } - indio_dev->buffer = ring; - ring->scan_timestamp = true; - indio_dev->setup_ops = &adis16240_ring_setup_ops; - - indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time, - &adis16240_trigger_handler, - IRQF_ONESHOT, - indio_dev, - "%s_consumer%d", - indio_dev->name, - indio_dev->id); - if (indio_dev->pollfunc == NULL) { - ret = -ENOMEM; - goto error_iio_sw_rb_free; - } - - indio_dev->modes |= INDIO_BUFFER_TRIGGERED; - return 0; - -error_iio_sw_rb_free: - iio_sw_rb_free(indio_dev->buffer); - return ret; -} diff --git a/drivers/staging/iio/accel/adis16240_trigger.c b/drivers/staging/iio/accel/adis16240_trigger.c deleted file mode 100644 index f3caf09dcb89..000000000000 --- a/drivers/staging/iio/accel/adis16240_trigger.c +++ /dev/null @@ -1,73 +0,0 @@ -#include -#include -#include -#include - -#include -#include -#include "adis16240.h" - -/** - * adis16240_data_rdy_trigger_set_state() set datardy interrupt state - **/ -static int adis16240_data_rdy_trigger_set_state(struct iio_trigger *trig, - bool state) -{ - struct iio_dev *indio_dev = trig->private_data; - - dev_dbg(&indio_dev->dev, "%s (%d)\n", __func__, state); - return adis16240_set_irq(indio_dev, state); -} - -static const struct iio_trigger_ops adis16240_trigger_ops = { - .owner = THIS_MODULE, - .set_trigger_state = &adis16240_data_rdy_trigger_set_state, -}; - -int adis16240_probe_trigger(struct iio_dev *indio_dev) -{ - int ret; - struct adis16240_state *st = iio_priv(indio_dev); - - st->trig = iio_trigger_alloc("adis16240-dev%d", indio_dev->id); - if (st->trig == NULL) { - ret = -ENOMEM; - goto error_ret; - } - - ret = request_irq(st->us->irq, - iio_trigger_generic_data_rdy_poll, - IRQF_TRIGGER_RISING, - "adis16240", - st->trig); - if (ret) - goto error_free_trig; - - st->trig->dev.parent = &st->us->dev; - st->trig->ops = &adis16240_trigger_ops; - st->trig->private_data = indio_dev; - ret = iio_trigger_register(st->trig); - - /* select default trigger */ - indio_dev->trig = st->trig; - if (ret) - goto error_free_irq; - - return 0; - -error_free_irq: - free_irq(st->us->irq, st->trig); -error_free_trig: - iio_trigger_free(st->trig); -error_ret: - return ret; -} - -void adis16240_remove_trigger(struct iio_dev *indio_dev) -{ - struct adis16240_state *st = iio_priv(indio_dev); - - iio_trigger_unregister(st->trig); - free_irq(st->us->irq, st->trig); - iio_trigger_free(st->trig); -}