diff options
Diffstat (limited to 'drivers/staging/iio')
112 files changed, 1263 insertions, 9122 deletions
diff --git a/drivers/staging/iio/accel/Kconfig b/drivers/staging/iio/accel/Kconfig index 5ab71670b70f..2b54430f2d99 100644 --- a/drivers/staging/iio/accel/Kconfig +++ b/drivers/staging/iio/accel/Kconfig @@ -6,8 +6,8 @@ menu "Accelerometers" config ADIS16201 tristate "Analog Devices ADIS16201 Dual-Axis Digital Inclinometer and Accelerometer" 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 adis16201 dual-axis digital inclinometer and accelerometer. @@ -15,8 +15,8 @@ config ADIS16201 config ADIS16203 tristate "Analog Devices ADIS16203 Programmable 360 Degrees Inclinometer" 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 adis16203 Programmable 360 Degrees Inclinometer. @@ -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. @@ -33,8 +33,8 @@ config ADIS16204 config ADIS16209 tristate "Analog Devices ADIS16209 Dual-Axis Digital Inclinometer and Accelerometer" 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 adis16209 dual-axis digital inclinometer and accelerometer. @@ -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 95c66661e702..8e7ee0368519 100644 --- a/drivers/staging/iio/accel/Makefile +++ b/drivers/staging/iio/accel/Makefile @@ -3,26 +3,21 @@ # adis16201-y := adis16201_core.o -adis16201-$(CONFIG_IIO_BUFFER) += adis16201_ring.o adis16201_trigger.o obj-$(CONFIG_ADIS16201) += adis16201.o adis16203-y := adis16203_core.o -adis16203-$(CONFIG_IIO_BUFFER) += adis16203_ring.o adis16203_trigger.o obj-$(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 -adis16209-$(CONFIG_IIO_BUFFER) += adis16209_ring.o adis16209_trigger.o obj-$(CONFIG_ADIS16209) += adis16209.o 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/adis16201.h b/drivers/staging/iio/accel/adis16201.h index 72750f7f3a81..8747de5a9805 100644 --- a/drivers/staging/iio/accel/adis16201.h +++ b/drivers/staging/iio/accel/adis16201.h @@ -3,9 +3,6 @@ #define ADIS16201_STARTUP_DELAY 220 /* ms */ -#define ADIS16201_READ_REG(a) a -#define ADIS16201_WRITE_REG(a) ((a) | 0x80) - #define ADIS16201_FLASH_CNT 0x00 /* Flash memory write count */ #define ADIS16201_SUPPLY_OUT 0x02 /* Output, power supply */ #define ADIS16201_XACCL_OUT 0x04 /* Output, x-axis accelerometer */ @@ -36,8 +33,6 @@ #define ADIS16201_DIAG_STAT 0x3C /* Diagnostics, system status register */ #define ADIS16201_GLOB_CMD 0x3E /* Operation, system command register */ -#define ADIS16201_OUTPUTS 7 - /* MSC_CTRL */ #define ADIS16201_MSC_CTRL_SELF_TEST_EN (1 << 8) /* Self-test enable */ #define ADIS16201_MSC_CTRL_DATA_RDY_EN (1 << 2) /* Data-ready enable: 1 = enabled, 0 = disabled */ @@ -47,95 +42,25 @@ /* DIAG_STAT */ #define ADIS16201_DIAG_STAT_ALARM2 (1<<9) /* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */ #define ADIS16201_DIAG_STAT_ALARM1 (1<<8) /* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */ -#define ADIS16201_DIAG_STAT_SPI_FAIL (1<<3) /* SPI communications failure */ -#define ADIS16201_DIAG_STAT_FLASH_UPT (1<<2) /* Flash update failure */ -#define ADIS16201_DIAG_STAT_POWER_HIGH (1<<1) /* Power supply above 3.625 V */ -#define ADIS16201_DIAG_STAT_POWER_LOW (1<<0) /* Power supply below 3.15 V */ +#define ADIS16201_DIAG_STAT_SPI_FAIL_BIT 3 /* SPI communications failure */ +#define ADIS16201_DIAG_STAT_FLASH_UPT_BIT 2 /* Flash update failure */ +#define ADIS16201_DIAG_STAT_POWER_HIGH_BIT 1 /* Power supply above 3.625 V */ +#define ADIS16201_DIAG_STAT_POWER_LOW_BIT 0 /* Power supply below 3.15 V */ /* GLOB_CMD */ #define ADIS16201_GLOB_CMD_SW_RESET (1<<7) #define ADIS16201_GLOB_CMD_FACTORY_CAL (1<<1) -#define ADIS16201_MAX_TX 14 -#define ADIS16201_MAX_RX 14 - #define ADIS16201_ERROR_ACTIVE (1<<14) -/** - * struct adis16201_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 adis16201_state { - struct spi_device *us; - struct iio_trigger *trig; - struct mutex buf_lock; - u8 tx[14] ____cacheline_aligned; - u8 rx[14]; -}; - -int adis16201_set_irq(struct iio_dev *indio_dev, bool enable); - enum adis16201_scan { - ADIS16201_SCAN_SUPPLY, ADIS16201_SCAN_ACC_X, ADIS16201_SCAN_ACC_Y, - ADIS16201_SCAN_AUX_ADC, - ADIS16201_SCAN_TEMP, ADIS16201_SCAN_INCLI_X, ADIS16201_SCAN_INCLI_Y, + ADIS16201_SCAN_SUPPLY, + ADIS16201_SCAN_AUX_ADC, + ADIS16201_SCAN_TEMP, }; -#ifdef CONFIG_IIO_BUFFER -void adis16201_remove_trigger(struct iio_dev *indio_dev); -int adis16201_probe_trigger(struct iio_dev *indio_dev); - -ssize_t adis16201_read_data_from_ring(struct device *dev, - struct device_attribute *attr, - char *buf); - -int adis16201_configure_ring(struct iio_dev *indio_dev); -void adis16201_unconfigure_ring(struct iio_dev *indio_dev); - -#else /* CONFIG_IIO_BUFFER */ - -static inline void adis16201_remove_trigger(struct iio_dev *indio_dev) -{ -} - -static inline int adis16201_probe_trigger(struct iio_dev *indio_dev) -{ - return 0; -} - -static inline ssize_t -adis16201_read_data_from_ring(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return 0; -} - -static int adis16201_configure_ring(struct iio_dev *indio_dev) -{ - return 0; -} - -static inline void adis16201_unconfigure_ring(struct iio_dev *indio_dev) -{ -} - -static inline int adis16201_initialize_ring(struct iio_ring_buffer *ring) -{ - return 0; -} - -static inline void adis16201_uninitialize_ring(struct iio_ring_buffer *ring) -{ -} - -#endif /* CONFIG_IIO_BUFFER */ #endif /* SPI_ADIS16201_H_ */ diff --git a/drivers/staging/iio/accel/adis16201_core.c b/drivers/staging/iio/accel/adis16201_core.c index b12ca68cd9e4..9e5791ff2a04 100644 --- a/drivers/staging/iio/accel/adis16201_core.c +++ b/drivers/staging/iio/accel/adis16201_core.c @@ -18,258 +18,15 @@ #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> #include <linux/iio/buffer.h> +#include <linux/iio/imu/adis.h> #include "adis16201.h" -enum adis16201_chan { - in_supply, - temp, - accel_x, - accel_y, - incli_x, - incli_y, - in_aux, -}; - -/** - * adis16201_spi_write_reg_8() - write single byte to a register - * @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 adis16201_spi_write_reg_8(struct iio_dev *indio_dev, - u8 reg_address, - u8 val) -{ - int ret; - struct adis16201_state *st = iio_priv(indio_dev); - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16201_WRITE_REG(reg_address); - st->tx[1] = val; - - ret = spi_write(st->us, st->tx, 2); - mutex_unlock(&st->buf_lock); - - return ret; -} - -/** - * adis16201_spi_write_reg_16() - write 2 bytes to a pair of registers - * @indio_dev: iio device associated with child of actual device - * @reg_address: the address of the lower of the two registers. Second register - * is assumed to have address one greater. - * @val: value to be written - **/ -static int adis16201_spi_write_reg_16(struct iio_dev *indio_dev, - u8 lower_reg_address, - u16 value) -{ - int ret; - struct spi_message msg; - struct adis16201_state *st = iio_priv(indio_dev); - struct spi_transfer xfers[] = { - { - .tx_buf = st->tx, - .bits_per_word = 8, - .len = 2, - .cs_change = 1, - }, { - .tx_buf = st->tx + 2, - .bits_per_word = 8, - .len = 2, - }, - }; - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16201_WRITE_REG(lower_reg_address); - st->tx[1] = value & 0xFF; - st->tx[2] = ADIS16201_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; -} - -/** - * adis16201_spi_read_reg_16() - read 2 bytes from a 16-bit register - * @indio_dev: iio device associated with child of actual device - * @reg_address: the address of the lower of the two registers. Second register - * is assumed to have address one greater. - * @val: somewhere to pass back the value read - **/ -static int adis16201_spi_read_reg_16(struct iio_dev *indio_dev, - u8 lower_reg_address, - u16 *val) -{ - struct spi_message msg; - struct adis16201_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 = 20, - }, { - .rx_buf = st->rx, - .bits_per_word = 8, - .len = 2, - .delay_usecs = 20, - }, - }; - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16201_READ_REG(lower_reg_address); - st->tx[1] = 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 int adis16201_reset(struct iio_dev *indio_dev) -{ - int ret; - struct adis16201_state *st = iio_priv(indio_dev); - - ret = adis16201_spi_write_reg_8(indio_dev, - ADIS16201_GLOB_CMD, - ADIS16201_GLOB_CMD_SW_RESET); - if (ret) - dev_err(&st->us->dev, "problem resetting device"); - - return ret; -} - -int adis16201_set_irq(struct iio_dev *indio_dev, bool enable) -{ - int ret = 0; - u16 msc; - - ret = adis16201_spi_read_reg_16(indio_dev, ADIS16201_MSC_CTRL, &msc); - if (ret) - goto error_ret; - - msc |= ADIS16201_MSC_CTRL_ACTIVE_HIGH; - msc &= ~ADIS16201_MSC_CTRL_DATA_RDY_DIO1; - if (enable) - msc |= ADIS16201_MSC_CTRL_DATA_RDY_EN; - else - msc &= ~ADIS16201_MSC_CTRL_DATA_RDY_EN; - - ret = adis16201_spi_write_reg_16(indio_dev, ADIS16201_MSC_CTRL, msc); - -error_ret: - return ret; -} - -static int adis16201_check_status(struct iio_dev *indio_dev) -{ - u16 status; - int ret; - - ret = adis16201_spi_read_reg_16(indio_dev, - ADIS16201_DIAG_STAT, &status); - if (ret < 0) { - dev_err(&indio_dev->dev, "Reading status failed\n"); - goto error_ret; - } - ret = status & 0xF; - if (ret) - ret = -EFAULT; - - if (status & ADIS16201_DIAG_STAT_SPI_FAIL) - dev_err(&indio_dev->dev, "SPI failure\n"); - if (status & ADIS16201_DIAG_STAT_FLASH_UPT) - dev_err(&indio_dev->dev, "Flash update failed\n"); - if (status & ADIS16201_DIAG_STAT_POWER_HIGH) - dev_err(&indio_dev->dev, "Power supply above 3.625V\n"); - if (status & ADIS16201_DIAG_STAT_POWER_LOW) - dev_err(&indio_dev->dev, "Power supply below 3.15V\n"); - -error_ret: - return ret; -} - -static int adis16201_self_test(struct iio_dev *indio_dev) -{ - int ret; - ret = adis16201_spi_write_reg_16(indio_dev, - ADIS16201_MSC_CTRL, - ADIS16201_MSC_CTRL_SELF_TEST_EN); - if (ret) { - dev_err(&indio_dev->dev, "problem starting self test"); - goto err_ret; - } - - ret = adis16201_check_status(indio_dev); - -err_ret: - return ret; -} - -static int adis16201_initial_setup(struct iio_dev *indio_dev) -{ - int ret; - struct device *dev = &indio_dev->dev; - - /* Disable IRQ */ - ret = adis16201_set_irq(indio_dev, false); - if (ret) { - dev_err(dev, "disable irq failed"); - goto err_ret; - } - - /* Do self test */ - ret = adis16201_self_test(indio_dev); - if (ret) { - dev_err(dev, "self test failure"); - goto err_ret; - } - - /* Read status register to check the result */ - ret = adis16201_check_status(indio_dev); - if (ret) { - adis16201_reset(indio_dev); - dev_err(dev, "device not playing ball -> reset"); - msleep(ADIS16201_STARTUP_DELAY); - ret = adis16201_check_status(indio_dev); - if (ret) { - dev_err(dev, "giving up"); - goto err_ret; - } - } - -err_ret: - return ret; -} - -static u8 adis16201_addresses[7][2] = { - [in_supply] = { ADIS16201_SUPPLY_OUT, }, - [temp] = { ADIS16201_TEMP_OUT }, - [accel_x] = { ADIS16201_XACCL_OUT, ADIS16201_XACCL_OFFS }, - [accel_y] = { ADIS16201_YACCL_OUT, ADIS16201_YACCL_OFFS }, - [in_aux] = { ADIS16201_AUX_ADC }, - [incli_x] = { ADIS16201_XINCL_OUT }, - [incli_y] = { ADIS16201_YINCL_OUT }, +static const u8 adis16201_addresses[] = { + [ADIS16201_SCAN_ACC_X] = ADIS16201_XACCL_OFFS, + [ADIS16201_SCAN_ACC_Y] = ADIS16201_YACCL_OFFS, + [ADIS16201_SCAN_INCLI_X] = ADIS16201_XINCL_OFFS, + [ADIS16201_SCAN_INCLI_Y] = ADIS16201_YINCL_OFFS, }; static int adis16201_read_raw(struct iio_dev *indio_dev, @@ -277,6 +34,7 @@ static int adis16201_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; @@ -284,29 +42,8 @@ static int adis16201_read_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_RAW: - mutex_lock(&indio_dev->mlock); - addr = adis16201_addresses[chan->address][0]; - ret = adis16201_spi_read_reg_16(indio_dev, addr, &val16); - if (ret) { - mutex_unlock(&indio_dev->mlock); - return ret; - } - - if (val16 & ADIS16201_ERROR_ACTIVE) { - ret = adis16201_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, + ADIS16201_ERROR_ACTIVE, val); case IIO_CHAN_INFO_SCALE: switch (chan->type) { case IIO_VOLTAGE: @@ -347,10 +84,10 @@ static int adis16201_read_raw(struct iio_dev *indio_dev, break; default: return -EINVAL; - }; + } mutex_lock(&indio_dev->mlock); - addr = adis16201_addresses[chan->address][1]; - ret = adis16201_spi_read_reg_16(indio_dev, addr, &val16); + addr = adis16201_addresses[chan->scan_index]; + ret = adis_read_reg_16(st, addr, &val16); if (ret) { mutex_unlock(&indio_dev->mlock); return ret; @@ -370,6 +107,7 @@ static int adis16201_write_raw(struct iio_dev *indio_dev, int val2, long mask) { + struct adis *st = iio_priv(indio_dev); int bits; s16 val16; u8 addr; @@ -384,126 +122,63 @@ static int adis16201_write_raw(struct iio_dev *indio_dev, break; default: return -EINVAL; - }; + } val16 = val & ((1 << bits) - 1); - addr = adis16201_addresses[chan->address][1]; - return adis16201_spi_write_reg_16(indio_dev, addr, val16); + addr = adis16201_addresses[chan->scan_index]; + return adis_write_reg_16(st, addr, val16); } return -EINVAL; } static const struct iio_chan_spec adis16201_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 = ADIS16201_SCAN_SUPPLY, - .scan_type = { - .sign = 'u', - .realbits = 12, - .storagebits = 16, - }, - }, { - .type = IIO_TEMP, - .indexed = 1, - .channel = 0, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, - .address = temp, - .scan_index = ADIS16201_SCAN_TEMP, - .scan_type = { - .sign = 'u', - .realbits = 12, - .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 | - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, - .address = accel_x, - .scan_index = ADIS16201_SCAN_ACC_X, - .scan_type = { - .sign = 's', - .realbits = 14, - .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_CALIBBIAS_SEPARATE_BIT, - .address = accel_y, - .scan_index = ADIS16201_SCAN_ACC_Y, - .scan_type = { - .sign = 's', - .realbits = 14, - .storagebits = 16, - }, - }, { - .type = IIO_VOLTAGE, - .indexed = 1, - .channel = 1, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - .address = in_aux, - .scan_index = ADIS16201_SCAN_AUX_ADC, - .scan_type = { - .sign = 'u', - .realbits = 12, - .storagebits = 16, - }, - }, { - .type = IIO_INCLI, - .modified = 1, - .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, - .address = incli_x, - .scan_index = ADIS16201_SCAN_INCLI_X, - .scan_type = { - .sign = 's', - .realbits = 14, - .storagebits = 16, - }, - }, { - .type = IIO_INCLI, - .modified = 1, - .channel2 = IIO_MOD_Y, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, - .address = incli_y, - .scan_index = ADIS16201_SCAN_INCLI_Y, - .scan_type = { - .sign = 's', - .realbits = 14, - .storagebits = 16, - }, - }, + ADIS_SUPPLY_CHAN(ADIS16201_SUPPLY_OUT, ADIS16201_SCAN_SUPPLY, 12), + ADIS_TEMP_CHAN(ADIS16201_TEMP_OUT, ADIS16201_SCAN_TEMP, 12), + ADIS_ACCEL_CHAN(X, ADIS16201_XACCL_OUT, ADIS16201_SCAN_ACC_X, + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, 14), + ADIS_ACCEL_CHAN(Y, ADIS16201_YACCL_OUT, ADIS16201_SCAN_ACC_Y, + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, 14), + ADIS_AUX_ADC_CHAN(ADIS16201_AUX_ADC, ADIS16201_SCAN_AUX_ADC, 12), + ADIS_INCLI_CHAN(X, ADIS16201_XINCL_OUT, ADIS16201_SCAN_INCLI_X, + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, 14), + ADIS_INCLI_CHAN(X, ADIS16201_YINCL_OUT, ADIS16201_SCAN_INCLI_Y, + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, 14), IIO_CHAN_SOFT_TIMESTAMP(7) }; static const struct iio_info adis16201_info = { .read_raw = &adis16201_read_raw, .write_raw = &adis16201_write_raw, + .update_scan_mode = adis_update_scan_mode, .driver_module = THIS_MODULE, }; -static int __devinit adis16201_probe(struct spi_device *spi) +static const char * const adis16201_status_error_msgs[] = { + [ADIS16201_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure", + [ADIS16201_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed", + [ADIS16201_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V", + [ADIS16201_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 3.15V", +}; + +static const struct adis_data adis16201_data = { + .read_delay = 20, + .msc_ctrl_reg = ADIS16201_MSC_CTRL, + .glob_cmd_reg = ADIS16201_GLOB_CMD, + .diag_stat_reg = ADIS16201_DIAG_STAT, + + .self_test_mask = ADIS16201_MSC_CTRL_SELF_TEST_EN, + .startup_delay = ADIS16201_STARTUP_DELAY, + + .status_error_msgs = adis16201_status_error_msgs, + .status_error_mask = BIT(ADIS16201_DIAG_STAT_SPI_FAIL_BIT) | + BIT(ADIS16201_DIAG_STAT_FLASH_UPT_BIT) | + BIT(ADIS16201_DIAG_STAT_POWER_HIGH_BIT) | + BIT(ADIS16201_DIAG_STAT_POWER_LOW_BIT), +}; + +static int adis16201_probe(struct spi_device *spi) { int ret; - struct adis16201_state *st; + struct adis *st; struct iio_dev *indio_dev; /* setup the industrialio driver allocated elements */ @@ -516,9 +191,6 @@ static int __devinit adis16201_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 = &adis16201_info; @@ -527,54 +199,38 @@ static int __devinit adis16201_probe(struct spi_device *spi) indio_dev->num_channels = ARRAY_SIZE(adis16201_channels); indio_dev->modes = INDIO_DIRECT_MODE; - ret = adis16201_configure_ring(indio_dev); + ret = adis_init(st, indio_dev, spi, &adis16201_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, - adis16201_channels, - ARRAY_SIZE(adis16201_channels)); - if (ret) { - printk(KERN_ERR "failed to initialize the ring\n"); - goto error_unreg_ring_funcs; - } - - if (spi->irq) { - ret = adis16201_probe_trigger(indio_dev); - if (ret) - goto error_uninitialize_ring; - } /* Get the device into a sane initial state */ - ret = adis16201_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 < 0) - goto error_remove_trigger; + goto error_cleanup_buffer_trigger; return 0; -error_remove_trigger: - adis16201_remove_trigger(indio_dev); -error_uninitialize_ring: - iio_buffer_unregister(indio_dev); -error_unreg_ring_funcs: - adis16201_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: return ret; } -static int __devexit adis16201_remove(struct spi_device *spi) +static int adis16201_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); - adis16201_remove_trigger(indio_dev); - iio_buffer_unregister(indio_dev); - adis16201_unconfigure_ring(indio_dev); + adis_cleanup_buffer_and_trigger(st, indio_dev); iio_device_free(indio_dev); return 0; @@ -586,7 +242,7 @@ static struct spi_driver adis16201_driver = { .owner = THIS_MODULE, }, .probe = adis16201_probe, - .remove = __devexit_p(adis16201_remove), + .remove = adis16201_remove, }; module_spi_driver(adis16201_driver); diff --git a/drivers/staging/iio/accel/adis16201_ring.c b/drivers/staging/iio/accel/adis16201_ring.c deleted file mode 100644 index 97c09f0c26ae..000000000000 --- a/drivers/staging/iio/accel/adis16201_ring.c +++ /dev/null @@ -1,136 +0,0 @@ -#include <linux/export.h> -#include <linux/interrupt.h> -#include <linux/mutex.h> -#include <linux/kernel.h> -#include <linux/spi/spi.h> -#include <linux/slab.h> - -#include <linux/iio/iio.h> -#include "../ring_sw.h" -#include <linux/iio/trigger_consumer.h> -#include "adis16201.h" - - -/** - * adis16201_read_ring_data() read data registers which will be placed into ring - * @dev: device associated with child of actual device (iio_dev or iio_trig) - * @rx: somewhere to pass back the value read - **/ -static int adis16201_read_ring_data(struct iio_dev *indio_dev, u8 *rx) -{ - struct spi_message msg; - struct adis16201_state *st = iio_priv(indio_dev); - struct spi_transfer xfers[ADIS16201_OUTPUTS + 1]; - int ret; - int i; - - mutex_lock(&st->buf_lock); - - spi_message_init(&msg); - - memset(xfers, 0, sizeof(xfers)); - for (i = 0; i <= ADIS16201_OUTPUTS; i++) { - xfers[i].bits_per_word = 8; - xfers[i].cs_change = 1; - xfers[i].len = 2; - xfers[i].delay_usecs = 20; - if (i < ADIS16201_OUTPUTS) { - xfers[i].tx_buf = st->tx + 2 * i; - st->tx[2 * i] = ADIS16201_READ_REG(ADIS16201_SUPPLY_OUT + - 2 * i); - st->tx[2 * i + 1] = 0; - } - if (i >= 1) - xfers[i].rx_buf = rx + 2 * (i - 1); - 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; -} - -/* Whilst this makes a lot of calls to iio_sw_ring functions - it is to device - * specific to be rolled into the core. - */ -static irqreturn_t adis16201_trigger_handler(int irq, void *p) -{ - struct iio_poll_func *pf = p; - struct iio_dev *indio_dev = pf->indio_dev; - struct adis16201_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) - && adis16201_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_buffer(indio_dev->buffer, (u8 *)data); - - kfree(data); -done: - iio_trigger_notify_done(indio_dev->trig); - - return IRQ_HANDLED; -} - -void adis16201_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 adis16201_ring_setup_ops = { - .preenable = &iio_sw_buffer_preenable, - .postenable = &iio_triggered_buffer_postenable, - .predisable = &iio_triggered_buffer_predisable, -}; - -int adis16201_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 = &adis16201_ring_setup_ops; - - indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time, - &adis16201_trigger_handler, - IRQF_ONESHOT, - indio_dev, - "adis16201_consumer%d", - 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/adis16201_trigger.c b/drivers/staging/iio/accel/adis16201_trigger.c deleted file mode 100644 index 96fdabbac201..000000000000 --- a/drivers/staging/iio/accel/adis16201_trigger.c +++ /dev/null @@ -1,71 +0,0 @@ -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/spi/spi.h> -#include <linux/export.h> - -#include <linux/iio/iio.h> -#include <linux/iio/trigger.h> -#include "adis16201.h" - -/** - * adis16201_data_rdy_trigger_set_state() set datardy interrupt state - **/ -static int adis16201_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 adis16201_set_irq(indio_dev, state); -} - -static const struct iio_trigger_ops adis16201_trigger_ops = { - .owner = THIS_MODULE, - .set_trigger_state = &adis16201_data_rdy_trigger_set_state, -}; - -int adis16201_probe_trigger(struct iio_dev *indio_dev) -{ - int ret; - struct adis16201_state *st = iio_priv(indio_dev); - - st->trig = iio_trigger_alloc("adis16201-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, - "adis16201", - st->trig); - if (ret) - goto error_free_trig; - st->trig->dev.parent = &st->us->dev; - st->trig->ops = &adis16201_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 adis16201_remove_trigger(struct iio_dev *indio_dev) -{ - struct adis16201_state *state = iio_priv(indio_dev); - - iio_trigger_unregister(state->trig); - free_irq(state->us->irq, state->trig); - iio_trigger_free(state->trig); -} diff --git a/drivers/staging/iio/accel/adis16203.h b/drivers/staging/iio/accel/adis16203.h index 3f96ad3bbd66..acc688d7ea9e 100644 --- a/drivers/staging/iio/accel/adis16203.h +++ b/drivers/staging/iio/accel/adis16203.h @@ -3,9 +3,6 @@ #define ADIS16203_STARTUP_DELAY 220 /* ms */ -#define ADIS16203_READ_REG(a) a -#define ADIS16203_WRITE_REG(a) ((a) | 0x80) - #define ADIS16203_FLASH_CNT 0x00 /* Flash memory write count */ #define ADIS16203_SUPPLY_OUT 0x02 /* Output, power supply */ #define ADIS16203_AUX_ADC 0x08 /* Output, auxiliary ADC input */ @@ -27,8 +24,6 @@ #define ADIS16203_DIAG_STAT 0x3C /* Diagnostics, system status register */ #define ADIS16203_GLOB_CMD 0x3E /* Operation, system command register */ -#define ADIS16203_OUTPUTS 5 - /* MSC_CTRL */ #define ADIS16203_MSC_CTRL_PWRUP_SELF_TEST (1 << 10) /* Self-test at power-on: 1 = disabled, 0 = enabled */ #define ADIS16203_MSC_CTRL_REVERSE_ROT_EN (1 << 9) /* Reverses rotation of both inclination outputs */ @@ -40,86 +35,25 @@ /* DIAG_STAT */ #define ADIS16203_DIAG_STAT_ALARM2 (1<<9) /* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */ #define ADIS16203_DIAG_STAT_ALARM1 (1<<8) /* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */ -#define ADIS16203_DIAG_STAT_SELFTEST_FAIL (1<<5) /* Self-test diagnostic error flag */ -#define ADIS16203_DIAG_STAT_SPI_FAIL (1<<3) /* SPI communications failure */ -#define ADIS16203_DIAG_STAT_FLASH_UPT (1<<2) /* Flash update failure */ -#define ADIS16203_DIAG_STAT_POWER_HIGH (1<<1) /* Power supply above 3.625 V */ -#define ADIS16203_DIAG_STAT_POWER_LOW (1<<0) /* Power supply below 3.15 V */ +#define ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT 5 /* Self-test diagnostic error flag */ +#define ADIS16203_DIAG_STAT_SPI_FAIL_BIT 3 /* SPI communications failure */ +#define ADIS16203_DIAG_STAT_FLASH_UPT_BIT 2 /* Flash update failure */ +#define ADIS16203_DIAG_STAT_POWER_HIGH_BIT 1 /* Power supply above 3.625 V */ +#define ADIS16203_DIAG_STAT_POWER_LOW_BIT 0 /* Power supply below 3.15 V */ /* GLOB_CMD */ #define ADIS16203_GLOB_CMD_SW_RESET (1<<7) #define ADIS16203_GLOB_CMD_CLEAR_STAT (1<<4) #define ADIS16203_GLOB_CMD_FACTORY_CAL (1<<1) -#define ADIS16203_MAX_TX 12 -#define ADIS16203_MAX_RX 10 - #define ADIS16203_ERROR_ACTIVE (1<<14) -/** - * struct adis16203_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 adis16203_state { - struct spi_device *us; - struct iio_trigger *trig; - struct mutex buf_lock; - u8 tx[ADIS16203_MAX_TX] ____cacheline_aligned; - u8 rx[ADIS16203_MAX_RX]; -}; - -int adis16203_set_irq(struct iio_dev *indio_dev, bool enable); - enum adis16203_scan { + ADIS16203_SCAN_INCLI_X, + ADIS16203_SCAN_INCLI_Y, ADIS16203_SCAN_SUPPLY, ADIS16203_SCAN_AUX_ADC, ADIS16203_SCAN_TEMP, - ADIS16203_SCAN_INCLI_X, - ADIS16203_SCAN_INCLI_Y, }; -#ifdef CONFIG_IIO_BUFFER -void adis16203_remove_trigger(struct iio_dev *indio_dev); -int adis16203_probe_trigger(struct iio_dev *indio_dev); - -ssize_t adis16203_read_data_from_ring(struct device *dev, - struct device_attribute *attr, - char *buf); - -int adis16203_configure_ring(struct iio_dev *indio_dev); -void adis16203_unconfigure_ring(struct iio_dev *indio_dev); - -#else /* CONFIG_IIO_BUFFER */ - -static inline void adis16203_remove_trigger(struct iio_dev *indio_dev) -{ -} - -static inline int adis16203_probe_trigger(struct iio_dev *indio_dev) -{ - return 0; -} - -static inline ssize_t -adis16203_read_data_from_ring(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return 0; -} - -static int adis16203_configure_ring(struct iio_dev *indio_dev) -{ - return 0; -} - -static inline void adis16203_unconfigure_ring(struct iio_dev *indio_dev) -{ -} - -#endif /* CONFIG_IIO_BUFFER */ #endif /* SPI_ADIS16203_H_ */ diff --git a/drivers/staging/iio/accel/adis16203_core.c b/drivers/staging/iio/accel/adis16203_core.c index e7b3441115ae..8c235273ff13 100644 --- a/drivers/staging/iio/accel/adis16203_core.c +++ b/drivers/staging/iio/accel/adis16203_core.c @@ -1,7 +1,7 @@ /* * ADIS16203 Programmable Digital Vibration Sensor driver * - * Copyright 2010 Analog Devices Inc. + * Copyright 2030 Analog Devices Inc. * * Licensed under the GPL-2 or later. */ @@ -18,254 +18,14 @@ #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> #include <linux/iio/buffer.h> +#include <linux/iio/imu/adis.h> #include "adis16203.h" #define DRIVER_NAME "adis16203" -/** - * adis16203_spi_write_reg_8() - write single byte to a register - * @indio_dev: iio device associated with child of actual device - * @reg_address: the address of the register to be written - * @val: the value to write - **/ -static int adis16203_spi_write_reg_8(struct iio_dev *indio_dev, - u8 reg_address, - u8 val) -{ - int ret; - struct adis16203_state *st = iio_priv(indio_dev); - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16203_WRITE_REG(reg_address); - st->tx[1] = val; - - ret = spi_write(st->us, st->tx, 2); - mutex_unlock(&st->buf_lock); - - return ret; -} - -/** - * adis16203_spi_write_reg_16() - write 2 bytes to a pair of registers - * @indio_dev: iio device associated with child of actual device - * @reg_address: the address of the lower of the two registers. Second register - * is assumed to have address one greater. - * @val: value to be written - **/ -static int adis16203_spi_write_reg_16(struct iio_dev *indio_dev, - u8 lower_reg_address, - u16 value) -{ - int ret; - struct spi_message msg; - struct adis16203_state *st = iio_priv(indio_dev); - struct spi_transfer xfers[] = { - { - .tx_buf = st->tx, - .bits_per_word = 8, - .len = 2, - .cs_change = 1, - }, { - .tx_buf = st->tx + 2, - .bits_per_word = 8, - .len = 2, - }, - }; - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16203_WRITE_REG(lower_reg_address); - st->tx[1] = value & 0xFF; - st->tx[2] = ADIS16203_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; -} - -/** - * adis16203_spi_read_reg_16() - read 2 bytes from a 16-bit register - * @indio_dev: iio device associated with child of actual device - * @reg_address: the address of the lower of the two registers. Second register - * is assumed to have address one greater. - * @val: somewhere to pass back the value read - **/ -static int adis16203_spi_read_reg_16(struct iio_dev *indio_dev, - u8 lower_reg_address, - u16 *val) -{ - struct spi_message msg; - struct adis16203_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 = 20, - }, { - .rx_buf = st->rx, - .bits_per_word = 8, - .len = 2, - .delay_usecs = 20, - }, - }; - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16203_READ_REG(lower_reg_address); - st->tx[1] = 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 int adis16203_check_status(struct iio_dev *indio_dev) -{ - u16 status; - int ret; - - ret = adis16203_spi_read_reg_16(indio_dev, - ADIS16203_DIAG_STAT, - &status); - if (ret < 0) { - dev_err(&indio_dev->dev, "Reading status failed\n"); - goto error_ret; - } - ret = status & 0x1F; - - if (status & ADIS16203_DIAG_STAT_SELFTEST_FAIL) - dev_err(&indio_dev->dev, "Self test failure\n"); - if (status & ADIS16203_DIAG_STAT_SPI_FAIL) - dev_err(&indio_dev->dev, "SPI failure\n"); - if (status & ADIS16203_DIAG_STAT_FLASH_UPT) - dev_err(&indio_dev->dev, "Flash update failed\n"); - if (status & ADIS16203_DIAG_STAT_POWER_HIGH) - dev_err(&indio_dev->dev, "Power supply above 3.625V\n"); - if (status & ADIS16203_DIAG_STAT_POWER_LOW) - dev_err(&indio_dev->dev, "Power supply below 3.15V\n"); - -error_ret: - return ret; -} - -static int adis16203_reset(struct iio_dev *indio_dev) -{ - int ret; - ret = adis16203_spi_write_reg_8(indio_dev, - ADIS16203_GLOB_CMD, - ADIS16203_GLOB_CMD_SW_RESET); - if (ret) - dev_err(&indio_dev->dev, "problem resetting device"); - - return ret; -} - -int adis16203_set_irq(struct iio_dev *indio_dev, bool enable) -{ - int ret = 0; - u16 msc; - - ret = adis16203_spi_read_reg_16(indio_dev, ADIS16203_MSC_CTRL, &msc); - if (ret) - goto error_ret; - - msc |= ADIS16203_MSC_CTRL_ACTIVE_HIGH; - msc &= ~ADIS16203_MSC_CTRL_DATA_RDY_DIO1; - if (enable) - msc |= ADIS16203_MSC_CTRL_DATA_RDY_EN; - else - msc &= ~ADIS16203_MSC_CTRL_DATA_RDY_EN; - - ret = adis16203_spi_write_reg_16(indio_dev, ADIS16203_MSC_CTRL, msc); - -error_ret: - return ret; -} - -static int adis16203_self_test(struct iio_dev *indio_dev) -{ - int ret; - ret = adis16203_spi_write_reg_16(indio_dev, - ADIS16203_MSC_CTRL, - ADIS16203_MSC_CTRL_SELF_TEST_EN); - if (ret) { - dev_err(&indio_dev->dev, "problem starting self test"); - goto err_ret; - } - - adis16203_check_status(indio_dev); - -err_ret: - return ret; -} - -static int adis16203_initial_setup(struct iio_dev *indio_dev) -{ - int ret; - - /* Disable IRQ */ - ret = adis16203_set_irq(indio_dev, false); - if (ret) { - dev_err(&indio_dev->dev, "disable irq failed"); - goto err_ret; - } - - /* Do self test */ - ret = adis16203_self_test(indio_dev); - if (ret) { - dev_err(&indio_dev->dev, "self test failure"); - goto err_ret; - } - - /* Read status register to check the result */ - ret = adis16203_check_status(indio_dev); - if (ret) { - adis16203_reset(indio_dev); - dev_err(&indio_dev->dev, "device not playing ball -> reset"); - msleep(ADIS16203_STARTUP_DELAY); - ret = adis16203_check_status(indio_dev); - if (ret) { - dev_err(&indio_dev->dev, "giving up"); - goto err_ret; - } - } - -err_ret: - return ret; -} - -enum adis16203_chan { - in_supply, - in_aux, - incli_x, - incli_y, - temp, -}; - -static u8 adis16203_addresses[5][2] = { - [in_supply] = { ADIS16203_SUPPLY_OUT }, - [in_aux] = { ADIS16203_AUX_ADC }, - [incli_x] = { ADIS16203_XINCL_OUT, ADIS16203_INCL_NULL}, - [incli_y] = { ADIS16203_YINCL_OUT }, - [temp] = { ADIS16203_TEMP_OUT } +static const u8 adis16203_addresses[] = { + [ADIS16203_SCAN_INCLI_X] = ADIS16203_INCL_NULL, }; static int adis16203_write_raw(struct iio_dev *indio_dev, @@ -274,9 +34,10 @@ static int adis16203_write_raw(struct iio_dev *indio_dev, int val2, long mask) { + struct adis *st = iio_priv(indio_dev); /* currently only one writable parameter which keeps this simple */ - u8 addr = adis16203_addresses[chan->address][1]; - return adis16203_spi_write_reg_16(indio_dev, addr, val & 0x3FFF); + u8 addr = adis16203_addresses[chan->scan_index]; + return adis_write_reg_16(st, addr, val & 0x3FFF); } static int adis16203_read_raw(struct iio_dev *indio_dev, @@ -284,35 +45,15 @@ static int adis16203_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; s16 val16; switch (mask) { case IIO_CHAN_INFO_RAW: - mutex_lock(&indio_dev->mlock); - addr = adis16203_addresses[chan->address][0]; - ret = adis16203_spi_read_reg_16(indio_dev, addr, &val16); - if (ret) { - mutex_unlock(&indio_dev->mlock); - return ret; - } - - if (val16 & ADIS16203_ERROR_ACTIVE) { - ret = adis16203_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, + ADIS16203_ERROR_ACTIVE, val); case IIO_CHAN_INFO_SCALE: switch (chan->type) { case IIO_VOLTAGE: @@ -341,8 +82,8 @@ static int adis16203_read_raw(struct iio_dev *indio_dev, case IIO_CHAN_INFO_CALIBBIAS: bits = 14; mutex_lock(&indio_dev->mlock); - addr = adis16203_addresses[chan->address][1]; - ret = adis16203_spi_read_reg_16(indio_dev, addr, &val16); + addr = adis16203_addresses[chan->scan_index]; + ret = adis_read_reg_16(st, addr, &val16); if (ret) { mutex_unlock(&indio_dev->mlock); return ret; @@ -358,89 +99,53 @@ static int adis16203_read_raw(struct iio_dev *indio_dev, } static const struct iio_chan_spec adis16203_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 = ADIS16203_SCAN_SUPPLY, - .scan_type = { - .sign = 'u', - .realbits = 12, - .storagebits = 16, - }, - }, { - .type = IIO_VOLTAGE, - .indexed = 1, - .channel = 1, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - .address = in_aux, - .scan_index = ADIS16203_SCAN_AUX_ADC, - .scan_type = { - .sign = 'u', - .realbits = 12, - .storagebits = 16, - }, - }, { - .type = IIO_INCLI, - .modified = 1, - .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT | - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, - .address = incli_x, - .scan_index = ADIS16203_SCAN_INCLI_X, - .scan_type = { - .sign = 's', - .realbits = 14, - .storagebits = 16, - }, - }, { /* Fixme: Not what it appears to be - see data sheet */ - .type = IIO_INCLI, - .modified = 1, - .channel2 = IIO_MOD_Y, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, - .address = incli_y, - .scan_index = ADIS16203_SCAN_INCLI_Y, - .scan_type = { - .sign = 's', - .realbits = 14, - .storagebits = 16, - }, - }, { - .type = IIO_TEMP, - .indexed = 1, - .channel = 0, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, - .address = temp, - .scan_index = ADIS16203_SCAN_TEMP, - .scan_type = { - .sign = 'u', - .realbits = 12, - .storagebits = 16, - }, - }, + ADIS_SUPPLY_CHAN(ADIS16203_SUPPLY_OUT, ADIS16203_SCAN_SUPPLY, 12), + ADIS_AUX_ADC_CHAN(ADIS16203_AUX_ADC, ADIS16203_SCAN_AUX_ADC, 12), + ADIS_INCLI_CHAN(X, ADIS16203_XINCL_OUT, ADIS16203_SCAN_INCLI_X, + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, 14), + /* Fixme: Not what it appears to be - see data sheet */ + ADIS_INCLI_CHAN(Y, ADIS16203_YINCL_OUT, ADIS16203_SCAN_INCLI_Y, 0, 14), + ADIS_TEMP_CHAN(ADIS16203_TEMP_OUT, ADIS16203_SCAN_TEMP, 12), IIO_CHAN_SOFT_TIMESTAMP(5), }; static const struct iio_info adis16203_info = { .read_raw = &adis16203_read_raw, .write_raw = &adis16203_write_raw, + .update_scan_mode = adis_update_scan_mode, .driver_module = THIS_MODULE, }; -static int __devinit adis16203_probe(struct spi_device *spi) +static const char * const adis16203_status_error_msgs[] = { + [ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT] = "Self test failure", + [ADIS16203_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure", + [ADIS16203_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed", + [ADIS16203_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V", + [ADIS16203_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 3.15V", +}; + +static const struct adis_data adis16203_data = { + .read_delay = 20, + .msc_ctrl_reg = ADIS16203_MSC_CTRL, + .glob_cmd_reg = ADIS16203_GLOB_CMD, + .diag_stat_reg = ADIS16203_DIAG_STAT, + + .self_test_mask = ADIS16203_MSC_CTRL_SELF_TEST_EN, + .startup_delay = ADIS16203_STARTUP_DELAY, + + .status_error_msgs = adis16203_status_error_msgs, + .status_error_mask = BIT(ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT) | + BIT(ADIS16203_DIAG_STAT_SPI_FAIL_BIT) | + BIT(ADIS16203_DIAG_STAT_FLASH_UPT_BIT) | + BIT(ADIS16203_DIAG_STAT_POWER_HIGH_BIT) | + BIT(ADIS16203_DIAG_STAT_POWER_LOW_BIT), +}; + +static int adis16203_probe(struct spi_device *spi) { int ret; struct iio_dev *indio_dev; - struct adis16203_state *st; + struct adis *st; /* setup the industrialio driver allocated elements */ indio_dev = iio_device_alloc(sizeof(*st)); @@ -451,8 +156,6 @@ static int __devinit adis16203_probe(struct spi_device *spi) st = iio_priv(indio_dev); /* 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; @@ -461,55 +164,40 @@ static int __devinit adis16203_probe(struct spi_device *spi) indio_dev->info = &adis16203_info; indio_dev->modes = INDIO_DIRECT_MODE; - ret = adis16203_configure_ring(indio_dev); + ret = adis_init(st, indio_dev, spi, &adis16203_data); if (ret) goto error_free_dev; - ret = iio_buffer_register(indio_dev, - adis16203_channels, - ARRAY_SIZE(adis16203_channels)); - if (ret) { - printk(KERN_ERR "failed to initialize the ring\n"); - goto error_unreg_ring_funcs; - } - - if (spi->irq) { - ret = adis16203_probe_trigger(indio_dev); - if (ret) - goto error_uninitialize_ring; - } + ret = adis_setup_buffer_and_trigger(st, indio_dev, NULL); + if (ret) + goto error_free_dev; /* Get the device into a sane initial state */ - ret = adis16203_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: - adis16203_remove_trigger(indio_dev); -error_uninitialize_ring: - iio_buffer_unregister(indio_dev); -error_unreg_ring_funcs: - adis16203_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: return ret; } -static int __devexit adis16203_remove(struct spi_device *spi) +static int adis16203_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); - adis16203_remove_trigger(indio_dev); - iio_buffer_unregister(indio_dev); - adis16203_unconfigure_ring(indio_dev); + adis_cleanup_buffer_and_trigger(st, indio_dev); iio_device_free(indio_dev); return 0; @@ -521,7 +209,7 @@ static struct spi_driver adis16203_driver = { .owner = THIS_MODULE, }, .probe = adis16203_probe, - .remove = __devexit_p(adis16203_remove), + .remove = adis16203_remove, }; module_spi_driver(adis16203_driver); diff --git a/drivers/staging/iio/accel/adis16203_ring.c b/drivers/staging/iio/accel/adis16203_ring.c deleted file mode 100644 index 7507e1a04591..000000000000 --- a/drivers/staging/iio/accel/adis16203_ring.c +++ /dev/null @@ -1,136 +0,0 @@ -#include <linux/export.h> -#include <linux/interrupt.h> -#include <linux/mutex.h> -#include <linux/kernel.h> -#include <linux/spi/spi.h> -#include <linux/slab.h> - -#include <linux/iio/iio.h> -#include "../ring_sw.h" -#include <linux/iio/trigger_consumer.h> -#include "adis16203.h" - -/** - * adis16203_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 adis16203_read_ring_data(struct iio_dev *indio_dev, u8 *rx) -{ - struct spi_message msg; - struct adis16203_state *st = iio_priv(indio_dev); - struct spi_transfer xfers[ADIS16203_OUTPUTS + 1]; - int ret; - int i; - - mutex_lock(&st->buf_lock); - - spi_message_init(&msg); - - memset(xfers, 0, sizeof(xfers)); - for (i = 0; i <= ADIS16203_OUTPUTS; i++) { - xfers[i].bits_per_word = 8; - xfers[i].cs_change = 1; - xfers[i].len = 2; - xfers[i].delay_usecs = 20; - xfers[i].tx_buf = st->tx + 2 * i; - if (i < 1) /* SUPPLY_OUT: 0x02, AUX_ADC: 0x08 */ - st->tx[2 * i] = ADIS16203_READ_REG(ADIS16203_SUPPLY_OUT + 2 * i); - else - st->tx[2 * i] = ADIS16203_READ_REG(ADIS16203_SUPPLY_OUT + 2 * i + 6); - 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; -} - -/* Whilst this makes a lot of calls to iio_sw_ring functions - it is to device - * specific to be rolled into the core. - */ -static irqreturn_t adis16203_trigger_handler(int irq, void *p) -{ - struct iio_poll_func *pf = p; - struct iio_dev *indio_dev = pf->indio_dev; - struct adis16203_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) && - adis16203_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_buffer(indio_dev->buffer, (u8 *)data); - - kfree(data); -done: - iio_trigger_notify_done(indio_dev->trig); - - return IRQ_HANDLED; -} - -void adis16203_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 adis16203_ring_setup_ops = { - .preenable = &iio_sw_buffer_preenable, - .postenable = &iio_triggered_buffer_postenable, - .predisable = &iio_triggered_buffer_predisable, -}; - -int adis16203_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 = &adis16203_ring_setup_ops; - - indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time, - &adis16203_trigger_handler, - IRQF_ONESHOT, - indio_dev, - "adis16203_consumer%d", - 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/adis16203_trigger.c b/drivers/staging/iio/accel/adis16203_trigger.c deleted file mode 100644 index b8a04073d6d7..000000000000 --- a/drivers/staging/iio/accel/adis16203_trigger.c +++ /dev/null @@ -1,73 +0,0 @@ -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/spi/spi.h> -#include <linux/export.h> - -#include <linux/iio/iio.h> -#include <linux/iio/trigger.h> -#include "adis16203.h" - -/** - * adis16203_data_rdy_trigger_set_state() set datardy interrupt state - **/ -static int adis16203_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 adis16203_set_irq(indio_dev, state); -} - -static const struct iio_trigger_ops adis16203_trigger_ops = { - .owner = THIS_MODULE, - .set_trigger_state = &adis16203_data_rdy_trigger_set_state, -}; - -int adis16203_probe_trigger(struct iio_dev *indio_dev) -{ - int ret; - struct adis16203_state *st = iio_priv(indio_dev); - - st->trig = iio_trigger_alloc("adis16203-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, - "adis16203", - st->trig); - if (ret) - goto error_free_trig; - - st->trig->dev.parent = &st->us->dev; - st->trig->ops = &adis16203_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 adis16203_remove_trigger(struct iio_dev *indio_dev) -{ - struct adis16203_state *st = iio_priv(indio_dev); - - iio_trigger_unregister(st->trig); - free_irq(st->us->irq, st->trig); - iio_trigger_free(st->trig); -} diff --git a/drivers/staging/iio/accel/adis16204.h b/drivers/staging/iio/accel/adis16204.h index 7cf4e91f83ad..9ff950c1e8db 100644 --- a/drivers/staging/iio/accel/adis16204.h +++ b/drivers/staging/iio/accel/adis16204.h @@ -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 */ @@ -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 */ @@ -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_ */ diff --git a/drivers/staging/iio/accel/adis16204_core.c b/drivers/staging/iio/accel/adis16204_core.c index c6234c2f46aa..f3592668e066 100644 --- a/drivers/staging/iio/accel/adis16204_core.c +++ b/drivers/staging/iio/accel/adis16204_core.c @@ -21,261 +21,16 @@ #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> #include <linux/iio/buffer.h> +#include <linux/iio/imu/adis.h> #include "adis16204.h" -#define DRIVER_NAME "adis16204" - -/** - * adis16204_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 adis16204_spi_write_reg_8(struct iio_dev *indio_dev, - u8 reg_address, - u8 val) -{ - int ret; - struct adis16204_state *st = iio_priv(indio_dev); - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16204_WRITE_REG(reg_address); - st->tx[1] = val; - - ret = spi_write(st->us, st->tx, 2); - mutex_unlock(&st->buf_lock); - - return ret; -} - -/** - * adis16204_spi_write_reg_16() - write 2 bytes to a pair of registers - * @indio_dev: iio device associated with child of actual device - * @reg_address: the address of the lower of the two registers. Second register - * is assumed to have address one greater. - * @val: value to be written - **/ -static int adis16204_spi_write_reg_16(struct iio_dev *indio_dev, - u8 lower_reg_address, - u16 value) -{ - int ret; - struct spi_message msg; - struct adis16204_state *st = iio_priv(indio_dev); - struct spi_transfer xfers[] = { - { - .tx_buf = st->tx, - .bits_per_word = 8, - .len = 2, - .cs_change = 1, - }, { - .tx_buf = st->tx + 2, - .bits_per_word = 8, - .len = 2, - .cs_change = 1, - }, - }; - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16204_WRITE_REG(lower_reg_address); - st->tx[1] = value & 0xFF; - st->tx[2] = ADIS16204_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; -} - -/** - * adis16204_spi_read_reg_16() - read 2 bytes from a 16-bit register - * @indio_dev: iio device associated with child of actual device - * @reg_address: the address of the lower of the two registers. Second register - * is assumed to have address one greater. - * @val: somewhere to pass back the value read - **/ -static int adis16204_spi_read_reg_16(struct iio_dev *indio_dev, - u8 lower_reg_address, - u16 *val) -{ - struct spi_message msg; - struct adis16204_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 = 20, - }, { - .rx_buf = st->rx, - .bits_per_word = 8, - .len = 2, - .delay_usecs = 20, - }, - }; - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16204_READ_REG(lower_reg_address); - st->tx[1] = 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 int adis16204_check_status(struct iio_dev *indio_dev) -{ - u16 status; - int ret; - - ret = adis16204_spi_read_reg_16(indio_dev, - ADIS16204_DIAG_STAT, &status); - if (ret < 0) { - dev_err(&indio_dev->dev, "Reading status failed\n"); - goto error_ret; - } - ret = status & 0x1F; - - if (status & ADIS16204_DIAG_STAT_SELFTEST_FAIL) - dev_err(&indio_dev->dev, "Self test failure\n"); - if (status & ADIS16204_DIAG_STAT_SPI_FAIL) - dev_err(&indio_dev->dev, "SPI failure\n"); - if (status & ADIS16204_DIAG_STAT_FLASH_UPT) - dev_err(&indio_dev->dev, "Flash update failed\n"); - if (status & ADIS16204_DIAG_STAT_POWER_HIGH) - dev_err(&indio_dev->dev, "Power supply above 3.625V\n"); - if (status & ADIS16204_DIAG_STAT_POWER_LOW) - dev_err(&indio_dev->dev, "Power supply below 2.975V\n"); - -error_ret: - return ret; -} - -static int adis16204_reset(struct iio_dev *indio_dev) -{ - int ret; - ret = adis16204_spi_write_reg_8(indio_dev, - ADIS16204_GLOB_CMD, - ADIS16204_GLOB_CMD_SW_RESET); - if (ret) - dev_err(&indio_dev->dev, "problem resetting device"); - - return ret; -} - -int adis16204_set_irq(struct iio_dev *indio_dev, bool enable) -{ - int ret = 0; - u16 msc; - - ret = adis16204_spi_read_reg_16(indio_dev, ADIS16204_MSC_CTRL, &msc); - if (ret) - goto error_ret; - - msc |= ADIS16204_MSC_CTRL_ACTIVE_HIGH; - msc &= ~ADIS16204_MSC_CTRL_DATA_RDY_DIO2; - if (enable) - msc |= ADIS16204_MSC_CTRL_DATA_RDY_EN; - else - msc &= ~ADIS16204_MSC_CTRL_DATA_RDY_EN; - - ret = adis16204_spi_write_reg_16(indio_dev, ADIS16204_MSC_CTRL, msc); - -error_ret: - return ret; -} - -static int adis16204_self_test(struct iio_dev *indio_dev) -{ - int ret; - ret = adis16204_spi_write_reg_16(indio_dev, - ADIS16204_MSC_CTRL, - ADIS16204_MSC_CTRL_SELF_TEST_EN); - if (ret) { - dev_err(&indio_dev->dev, "problem starting self test"); - goto err_ret; - } - - adis16204_check_status(indio_dev); - -err_ret: - return ret; -} - -static int adis16204_initial_setup(struct iio_dev *indio_dev) -{ - int ret; - - /* Disable IRQ */ - ret = adis16204_set_irq(indio_dev, false); - if (ret) { - dev_err(&indio_dev->dev, "disable irq failed"); - goto err_ret; - } - - /* Do self test */ - ret = adis16204_self_test(indio_dev); - if (ret) { - dev_err(&indio_dev->dev, "self test failure"); - goto err_ret; - } - - /* Read status register to check the result */ - ret = adis16204_check_status(indio_dev); - if (ret) { - adis16204_reset(indio_dev); - dev_err(&indio_dev->dev, "device not playing ball -> reset"); - msleep(ADIS16204_STARTUP_DELAY); - ret = adis16204_check_status(indio_dev); - if (ret) { - dev_err(&indio_dev->dev, "giving up"); - goto err_ret; - } - } - -err_ret: - return ret; -} - /* Unique to this driver currently */ -enum adis16204_channel { - in_supply, - in_aux, - temp, - accel_x, - accel_y, - accel_xy, -}; - -static u8 adis16204_addresses[6][3] = { - [in_supply] = { ADIS16204_SUPPLY_OUT }, - [in_aux] = { ADIS16204_AUX_ADC }, - [temp] = { ADIS16204_TEMP_OUT }, - [accel_x] = { ADIS16204_XACCL_OUT, ADIS16204_XACCL_NULL, - ADIS16204_X_PEAK_OUT }, - [accel_y] = { ADIS16204_XACCL_OUT, ADIS16204_YACCL_NULL, - ADIS16204_Y_PEAK_OUT }, - [accel_xy] = { ADIS16204_XY_RSS_OUT, 0, - ADIS16204_XY_PEAK_OUT }, +static const u8 adis16204_addresses[][2] = { + [ADIS16204_SCAN_ACC_X] = { ADIS16204_XACCL_NULL, ADIS16204_X_PEAK_OUT }, + [ADIS16204_SCAN_ACC_Y] = { ADIS16204_YACCL_NULL, ADIS16204_Y_PEAK_OUT }, + [ADIS16204_SCAN_ACC_XY] = { 0, ADIS16204_XY_PEAK_OUT }, }; static int adis16204_read_raw(struct iio_dev *indio_dev, @@ -283,6 +38,7 @@ static int adis16204_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; @@ -291,29 +47,8 @@ static int adis16204_read_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_RAW: - mutex_lock(&indio_dev->mlock); - addr = adis16204_addresses[chan->address][0]; - ret = adis16204_spi_read_reg_16(indio_dev, addr, &val16); - if (ret) { - mutex_unlock(&indio_dev->mlock); - return ret; - } - - if (val16 & ADIS16204_ERROR_ACTIVE) { - ret = adis16204_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, + ADIS16204_ERROR_ACTIVE, val); case IIO_CHAN_INFO_SCALE: switch (chan->type) { case IIO_VOLTAGE: @@ -353,14 +88,14 @@ static int adis16204_read_raw(struct iio_dev *indio_dev, case IIO_CHAN_INFO_PEAK: if (mask == IIO_CHAN_INFO_CALIBBIAS) { bits = 12; - addrind = 1; + addrind = 0; } else { /* PEAK_SEPARATE */ bits = 14; - addrind = 2; + addrind = 1; } mutex_lock(&indio_dev->mlock); - addr = adis16204_addresses[chan->address][addrind]; - ret = adis16204_spi_read_reg_16(indio_dev, addr, &val16); + addr = adis16204_addresses[chan->scan_index][addrind]; + ret = adis_read_reg_16(st, addr, &val16); if (ret) { mutex_unlock(&indio_dev->mlock); return ret; @@ -380,6 +115,7 @@ static int adis16204_write_raw(struct iio_dev *indio_dev, int val2, long mask) { + struct adis *st = iio_priv(indio_dev); int bits; s16 val16; u8 addr; @@ -391,114 +127,65 @@ static int adis16204_write_raw(struct iio_dev *indio_dev, break; default: return -EINVAL; - }; + } val16 = val & ((1 << bits) - 1); - addr = adis16204_addresses[chan->address][1]; - return adis16204_spi_write_reg_16(indio_dev, addr, val16); + addr = adis16204_addresses[chan->scan_index][1]; + return adis_write_reg_16(st, addr, val16); } return -EINVAL; } static const struct iio_chan_spec adis16204_channels[] = { - { - .type = IIO_VOLTAGE, - .indexed = 1, /* Note was not previously indexed */ - .channel = 0, - .extend_name = "supply", - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - .address = in_supply, - .scan_index = ADIS16204_SCAN_SUPPLY, - .scan_type = { - .sign = 'u', - .realbits = 12, - .storagebits = 16, - }, - }, { - .type = IIO_VOLTAGE, - .indexed = 1, - .channel = 1, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - .address = in_aux, - .scan_index = ADIS16204_SCAN_AUX_ADC, - .scan_type = { - .sign = 'u', - .realbits = 12, - .storagebits = 16, - }, - }, { - .type = IIO_TEMP, - .indexed = 1, - .channel = 0, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, - .address = temp, - .scan_index = ADIS16204_SCAN_TEMP, - .scan_type = { - .sign = 'u', - .realbits = 12, - .storagebits = 16, - }, - }, { - .type = IIO_ACCEL, - .modified = 1, - .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | + ADIS_SUPPLY_CHAN(ADIS16204_SUPPLY_OUT, ADIS16204_SCAN_SUPPLY, 12), + ADIS_AUX_ADC_CHAN(ADIS16204_AUX_ADC, ADIS16204_SCAN_AUX_ADC, 12), + ADIS_TEMP_CHAN(ADIS16204_TEMP_OUT, ADIS16204_SCAN_TEMP, 12), + ADIS_ACCEL_CHAN(X, ADIS16204_XACCL_OUT, ADIS16204_SCAN_ACC_X, IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | - IIO_CHAN_INFO_PEAK_SEPARATE_BIT, - .address = accel_x, - .scan_index = ADIS16204_SCAN_ACC_X, - .scan_type = { - .sign = 's', - .realbits = 14, - .storagebits = 16, - }, - }, { - .type = IIO_ACCEL, - .modified = 1, - .channel2 = IIO_MOD_Y, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | + IIO_CHAN_INFO_PEAK_SEPARATE_BIT, 14), + ADIS_ACCEL_CHAN(Y, ADIS16204_YACCL_OUT, ADIS16204_SCAN_ACC_Y, IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | - IIO_CHAN_INFO_PEAK_SEPARATE_BIT, - .address = accel_y, - .scan_index = ADIS16204_SCAN_ACC_Y, - .scan_type = { - .sign = 's', - .realbits = 14, - .storagebits = 16, - }, - }, + IIO_CHAN_INFO_PEAK_SEPARATE_BIT, 14), + ADIS_ACCEL_CHAN(ROOT_SUM_SQUARED_X_Y, ADIS16204_XY_RSS_OUT, + ADIS16204_SCAN_ACC_XY, IIO_CHAN_INFO_PEAK_SEPARATE_BIT, 14), IIO_CHAN_SOFT_TIMESTAMP(5), - { - .type = IIO_ACCEL, - .modified = 1, - .channel2 = IIO_MOD_ROOT_SUM_SQUARED_X_Y, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | - IIO_CHAN_INFO_PEAK_SEPARATE_BIT, - .address = accel_xy, - .scan_type = { - .sign = 'u', - .realbits = 14, - .storagebits = 16, - }, - } }; static const struct iio_info adis16204_info = { .read_raw = &adis16204_read_raw, .write_raw = &adis16204_write_raw, + .update_scan_mode = adis_update_scan_mode, .driver_module = THIS_MODULE, }; -static int __devinit adis16204_probe(struct spi_device *spi) +static const char * const adis16204_status_error_msgs[] = { + [ADIS16204_DIAG_STAT_SELFTEST_FAIL_BIT] = "Self test failure", + [ADIS16204_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure", + [ADIS16204_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed", + [ADIS16204_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V", + [ADIS16204_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 2.975V", +}; + +static const struct adis_data adis16204_data = { + .read_delay = 20, + .msc_ctrl_reg = ADIS16204_MSC_CTRL, + .glob_cmd_reg = ADIS16204_GLOB_CMD, + .diag_stat_reg = ADIS16204_DIAG_STAT, + + .self_test_mask = ADIS16204_MSC_CTRL_SELF_TEST_EN, + .startup_delay = ADIS16204_STARTUP_DELAY, + + .status_error_msgs = adis16204_status_error_msgs, + .status_error_mask = BIT(ADIS16204_DIAG_STAT_SELFTEST_FAIL_BIT) | + BIT(ADIS16204_DIAG_STAT_SPI_FAIL_BIT) | + BIT(ADIS16204_DIAG_STAT_FLASH_UPT_BIT) | + BIT(ADIS16204_DIAG_STAT_POWER_HIGH_BIT) | + BIT(ADIS16204_DIAG_STAT_POWER_LOW_BIT), +}; + +static int adis16204_probe(struct spi_device *spi) { int ret; - struct adis16204_state *st; + struct adis *st; struct iio_dev *indio_dev; /* setup the industrialio driver allocated elements */ @@ -510,8 +197,6 @@ static int __devinit adis16204_probe(struct spi_device *spi) st = iio_priv(indio_dev); /* 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; @@ -520,54 +205,39 @@ static int __devinit adis16204_probe(struct spi_device *spi) indio_dev->num_channels = ARRAY_SIZE(adis16204_channels); indio_dev->modes = INDIO_DIRECT_MODE; - ret = adis16204_configure_ring(indio_dev); + ret = adis_init(st, indio_dev, spi, &adis16204_data); if (ret) goto error_free_dev; - ret = iio_buffer_register(indio_dev, - adis16204_channels, - 6); - if (ret) { - printk(KERN_ERR "failed to initialize the ring\n"); - goto error_unreg_ring_funcs; - } - - if (spi->irq) { - ret = adis16204_probe_trigger(indio_dev); - if (ret) - goto error_uninitialize_ring; - } + ret = adis_setup_buffer_and_trigger(st, indio_dev, NULL); + if (ret) + goto error_free_dev; /* Get the device into a sane initial state */ - ret = adis16204_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: - adis16204_remove_trigger(indio_dev); -error_uninitialize_ring: - iio_buffer_unregister(indio_dev); -error_unreg_ring_funcs: - adis16204_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: return ret; } -static int __devexit adis16204_remove(struct spi_device *spi) +static int adis16204_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); - adis16204_remove_trigger(indio_dev); - iio_buffer_unregister(indio_dev); - adis16204_unconfigure_ring(indio_dev); + adis_cleanup_buffer_and_trigger(st, indio_dev); iio_device_free(indio_dev); return 0; @@ -579,7 +249,7 @@ static struct spi_driver adis16204_driver = { .owner = THIS_MODULE, }, .probe = adis16204_probe, - .remove = __devexit_p(adis16204_remove), + .remove = adis16204_remove, }; module_spi_driver(adis16204_driver); diff --git a/drivers/staging/iio/accel/adis16204_ring.c b/drivers/staging/iio/accel/adis16204_ring.c deleted file mode 100644 index 4c976bec986b..000000000000 --- a/drivers/staging/iio/accel/adis16204_ring.c +++ /dev/null @@ -1,134 +0,0 @@ -#include <linux/export.h> -#include <linux/interrupt.h> -#include <linux/mutex.h> -#include <linux/kernel.h> -#include <linux/spi/spi.h> -#include <linux/slab.h> - -#include <linux/iio/iio.h> -#include "../ring_sw.h" -#include <linux/iio/trigger_consumer.h> -#include "adis16204.h" - -/** - * adis16204_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 adis16204_read_ring_data(struct iio_dev *indio_dev, u8 *rx) -{ - struct spi_message msg; - struct adis16204_state *st = iio_priv(indio_dev); - struct spi_transfer xfers[ADIS16204_OUTPUTS + 1]; - int ret; - int i; - - mutex_lock(&st->buf_lock); - - spi_message_init(&msg); - - memset(xfers, 0, sizeof(xfers)); - for (i = 0; i <= ADIS16204_OUTPUTS; i++) { - xfers[i].bits_per_word = 8; - xfers[i].cs_change = 1; - xfers[i].len = 2; - xfers[i].delay_usecs = 20; - xfers[i].tx_buf = st->tx + 2 * i; - st->tx[2 * i] - = ADIS16204_READ_REG(ADIS16204_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; -} - -/* Whilst this makes a lot of calls to iio_sw_ring functions - it is to device - * specific to be rolled into the core. - */ -static irqreturn_t adis16204_trigger_handler(int irq, void *p) -{ - struct iio_poll_func *pf = p; - struct iio_dev *indio_dev = pf->indio_dev; - struct adis16204_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) && - adis16204_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_buffer(indio_dev->buffer, (u8 *)data); - - kfree(data); -done: - iio_trigger_notify_done(indio_dev->trig); - - return IRQ_HANDLED; -} - -void adis16204_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 adis16204_ring_setup_ops = { - .preenable = &iio_sw_buffer_preenable, - .postenable = &iio_triggered_buffer_postenable, - .predisable = &iio_triggered_buffer_predisable, -}; - -int adis16204_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 = &adis16204_ring_setup_ops; - - indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time, - &adis16204_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/adis16204_trigger.c b/drivers/staging/iio/accel/adis16204_trigger.c deleted file mode 100644 index 408a1682368e..000000000000 --- a/drivers/staging/iio/accel/adis16204_trigger.c +++ /dev/null @@ -1,73 +0,0 @@ -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/spi/spi.h> -#include <linux/export.h> - -#include <linux/iio/iio.h> -#include <linux/iio/trigger.h> -#include "adis16204.h" - -/** - * adis16204_data_rdy_trigger_set_state() set datardy interrupt state - **/ -static int adis16204_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 adis16204_set_irq(indio_dev, state); -} - -static const struct iio_trigger_ops adis16204_trigger_ops = { - .owner = THIS_MODULE, - .set_trigger_state = &adis16204_data_rdy_trigger_set_state, -}; - -int adis16204_probe_trigger(struct iio_dev *indio_dev) -{ - int ret; - struct adis16204_state *st = iio_priv(indio_dev); - - st->trig = iio_trigger_alloc("adis16204-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, - "adis16204", - st->trig); - if (ret) - goto error_free_trig; - - st->trig->dev.parent = &st->us->dev; - st->trig->ops = &adis16204_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 adis16204_remove_trigger(struct iio_dev *indio_dev) -{ - struct adis16204_state *state = iio_priv(indio_dev); - - iio_trigger_unregister(state->trig); - free_irq(state->us->irq, state->trig); - iio_trigger_free(state->trig); -} diff --git a/drivers/staging/iio/accel/adis16209.h b/drivers/staging/iio/accel/adis16209.h index 3c88b86e7b81..ad3945a06292 100644 --- a/drivers/staging/iio/accel/adis16209.h +++ b/drivers/staging/iio/accel/adis16209.h @@ -3,9 +3,6 @@ #define ADIS16209_STARTUP_DELAY 220 /* ms */ -#define ADIS16209_READ_REG(a) a -#define ADIS16209_WRITE_REG(a) ((a) | 0x80) - /* Flash memory write count */ #define ADIS16209_FLASH_CNT 0x00 /* Output, power supply */ @@ -61,8 +58,6 @@ /* Operation, system command register */ #define ADIS16209_GLOB_CMD 0x3E -#define ADIS16209_OUTPUTS 8 - /* MSC_CTRL */ /* Self-test at power-on: 1 = disabled, 0 = enabled */ #define ADIS16209_MSC_CTRL_PWRUP_SELF_TEST (1 << 10) @@ -81,44 +76,23 @@ /* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */ #define ADIS16209_DIAG_STAT_ALARM1 (1<<8) /* Self-test diagnostic error flag: 1 = error condition, 0 = normal operation */ -#define ADIS16209_DIAG_STAT_SELFTEST_FAIL (1<<5) +#define ADIS16209_DIAG_STAT_SELFTEST_FAIL_BIT 5 /* SPI communications failure */ -#define ADIS16209_DIAG_STAT_SPI_FAIL (1<<3) +#define ADIS16209_DIAG_STAT_SPI_FAIL_BIT 3 /* Flash update failure */ -#define ADIS16209_DIAG_STAT_FLASH_UPT (1<<2) +#define ADIS16209_DIAG_STAT_FLASH_UPT_BIT 2 /* Power supply above 3.625 V */ -#define ADIS16209_DIAG_STAT_POWER_HIGH (1<<1) +#define ADIS16209_DIAG_STAT_POWER_HIGH_BIT 1 /* Power supply below 3.15 V */ -#define ADIS16209_DIAG_STAT_POWER_LOW (1<<0) +#define ADIS16209_DIAG_STAT_POWER_LOW_BIT 0 /* GLOB_CMD */ #define ADIS16209_GLOB_CMD_SW_RESET (1<<7) #define ADIS16209_GLOB_CMD_CLEAR_STAT (1<<4) #define ADIS16209_GLOB_CMD_FACTORY_CAL (1<<1) -#define ADIS16209_MAX_TX 24 -#define ADIS16209_MAX_RX 24 - #define ADIS16209_ERROR_ACTIVE (1<<14) -/** - * struct adis16209_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 adis16209_state { - struct spi_device *us; - struct iio_trigger *trig; - struct mutex buf_lock; - u8 tx[ADIS16209_MAX_TX] ____cacheline_aligned; - u8 rx[ADIS16209_MAX_RX]; -}; - -int adis16209_set_irq(struct iio_dev *indio_dev, bool enable); - #define ADIS16209_SCAN_SUPPLY 0 #define ADIS16209_SCAN_ACC_X 1 #define ADIS16209_SCAN_ACC_Y 2 @@ -128,45 +102,4 @@ int adis16209_set_irq(struct iio_dev *indio_dev, bool enable); #define ADIS16209_SCAN_INCLI_Y 6 #define ADIS16209_SCAN_ROT 7 -#ifdef CONFIG_IIO_BUFFER - -void adis16209_remove_trigger(struct iio_dev *indio_dev); -int adis16209_probe_trigger(struct iio_dev *indio_dev); - -ssize_t adis16209_read_data_from_ring(struct device *dev, - struct device_attribute *attr, - char *buf); - -int adis16209_configure_ring(struct iio_dev *indio_dev); -void adis16209_unconfigure_ring(struct iio_dev *indio_dev); - -#else /* CONFIG_IIO_BUFFER */ - -static inline void adis16209_remove_trigger(struct iio_dev *indio_dev) -{ -} - -static inline int adis16209_probe_trigger(struct iio_dev *indio_dev) -{ - return 0; -} - -static inline ssize_t -adis16209_read_data_from_ring(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return 0; -} - -static int adis16209_configure_ring(struct iio_dev *indio_dev) -{ - return 0; -} - -static inline void adis16209_unconfigure_ring(struct iio_dev *indio_dev) -{ -} - -#endif /* CONFIG_IIO_BUFFER */ #endif /* SPI_ADIS16209_H_ */ diff --git a/drivers/staging/iio/accel/adis16209_core.c b/drivers/staging/iio/accel/adis16209_core.c index 7ee974b45d7d..69c50ee44ce3 100644 --- a/drivers/staging/iio/accel/adis16209_core.c +++ b/drivers/staging/iio/accel/adis16209_core.c @@ -19,262 +19,19 @@ #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> #include <linux/iio/buffer.h> +#include <linux/iio/imu/adis.h> #include "adis16209.h" -#define DRIVER_NAME "adis16209" - -/** - * adis16209_spi_write_reg_8() - write single byte to a register - * @indio_dev: iio device associated with actual device - * @reg_address: the address of the register to be written - * @val: the value to write - **/ -static int adis16209_spi_write_reg_8(struct iio_dev *indio_dev, - u8 reg_address, - u8 val) -{ - int ret; - struct adis16209_state *st = iio_priv(indio_dev); - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16209_WRITE_REG(reg_address); - st->tx[1] = val; - - ret = spi_write(st->us, st->tx, 2); - mutex_unlock(&st->buf_lock); - - return ret; -} - -/** - * adis16209_spi_write_reg_16() - write 2 bytes to a pair of registers - * @indio_dev: iio device associated actual device - * @reg_address: the address of the lower of the two registers. Second register - * is assumed to have address one greater. - * @val: value to be written - **/ -static int adis16209_spi_write_reg_16(struct iio_dev *indio_dev, - u8 lower_reg_address, - u16 value) -{ - int ret; - struct spi_message msg; - struct adis16209_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 = 30, - }, { - .tx_buf = st->tx + 2, - .bits_per_word = 8, - .len = 2, - .delay_usecs = 30, - }, - }; - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16209_WRITE_REG(lower_reg_address); - st->tx[1] = value & 0xFF; - st->tx[2] = ADIS16209_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; -} - -/** - * adis16209_spi_read_reg_16() - read 2 bytes from a 16-bit register - * @indio_dev: iio device associated with 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 adis16209_spi_read_reg_16(struct iio_dev *indio_dev, - u8 lower_reg_address, - u16 *val) -{ - struct spi_message msg; - struct adis16209_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 = 30, - }, { - .rx_buf = st->rx, - .bits_per_word = 8, - .len = 2, - .delay_usecs = 30, - }, - }; - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16209_READ_REG(lower_reg_address); - st->tx[1] = 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 int adis16209_reset(struct iio_dev *indio_dev) -{ - int ret; - ret = adis16209_spi_write_reg_8(indio_dev, - ADIS16209_GLOB_CMD, - ADIS16209_GLOB_CMD_SW_RESET); - if (ret) - dev_err(&indio_dev->dev, "problem resetting device"); - - return ret; -} - -int adis16209_set_irq(struct iio_dev *indio_dev, bool enable) -{ - int ret = 0; - u16 msc; - - ret = adis16209_spi_read_reg_16(indio_dev, ADIS16209_MSC_CTRL, &msc); - if (ret) - goto error_ret; - - msc |= ADIS16209_MSC_CTRL_ACTIVE_HIGH; - msc &= ~ADIS16209_MSC_CTRL_DATA_RDY_DIO2; - if (enable) - msc |= ADIS16209_MSC_CTRL_DATA_RDY_EN; - else - msc &= ~ADIS16209_MSC_CTRL_DATA_RDY_EN; - - ret = adis16209_spi_write_reg_16(indio_dev, ADIS16209_MSC_CTRL, msc); - -error_ret: - return ret; -} - -static int adis16209_check_status(struct iio_dev *indio_dev) -{ - u16 status; - int ret; - - ret = adis16209_spi_read_reg_16(indio_dev, - ADIS16209_DIAG_STAT, &status); - if (ret < 0) { - dev_err(&indio_dev->dev, "Reading status failed\n"); - goto error_ret; - } - ret = status & 0x1F; - - if (status & ADIS16209_DIAG_STAT_SELFTEST_FAIL) - dev_err(&indio_dev->dev, "Self test failure\n"); - if (status & ADIS16209_DIAG_STAT_SPI_FAIL) - dev_err(&indio_dev->dev, "SPI failure\n"); - if (status & ADIS16209_DIAG_STAT_FLASH_UPT) - dev_err(&indio_dev->dev, "Flash update failed\n"); - if (status & ADIS16209_DIAG_STAT_POWER_HIGH) - dev_err(&indio_dev->dev, "Power supply above 3.625V\n"); - if (status & ADIS16209_DIAG_STAT_POWER_LOW) - dev_err(&indio_dev->dev, "Power supply below 3.15V\n"); - -error_ret: - return ret; -} - -static int adis16209_self_test(struct iio_dev *indio_dev) -{ - int ret; - ret = adis16209_spi_write_reg_16(indio_dev, - ADIS16209_MSC_CTRL, - ADIS16209_MSC_CTRL_SELF_TEST_EN); - if (ret) { - dev_err(&indio_dev->dev, "problem starting self test"); - goto err_ret; - } - - adis16209_check_status(indio_dev); - -err_ret: - return ret; -} - -static int adis16209_initial_setup(struct iio_dev *indio_dev) -{ - int ret; - - /* Disable IRQ */ - ret = adis16209_set_irq(indio_dev, false); - if (ret) { - dev_err(&indio_dev->dev, "disable irq failed"); - goto err_ret; - } - - /* Do self test */ - ret = adis16209_self_test(indio_dev); - if (ret) { - dev_err(&indio_dev->dev, "self test failure"); - goto err_ret; - } - - /* Read status register to check the result */ - ret = adis16209_check_status(indio_dev); - if (ret) { - adis16209_reset(indio_dev); - dev_err(&indio_dev->dev, "device not playing ball -> reset"); - msleep(ADIS16209_STARTUP_DELAY); - ret = adis16209_check_status(indio_dev); - if (ret) { - dev_err(&indio_dev->dev, "giving up"); - goto err_ret; - } - } - -err_ret: - return ret; -} - -enum adis16209_chan { - in_supply, - temp, - accel_x, - accel_y, - incli_x, - incli_y, - in_aux, - rot, -}; - -static const u8 adis16209_addresses[8][2] = { - [in_supply] = { ADIS16209_SUPPLY_OUT }, - [in_aux] = { ADIS16209_AUX_ADC }, - [accel_x] = { ADIS16209_XACCL_OUT, ADIS16209_XACCL_NULL }, - [accel_y] = { ADIS16209_YACCL_OUT, ADIS16209_YACCL_NULL }, - [incli_x] = { ADIS16209_XINCL_OUT, ADIS16209_XINCL_NULL }, - [incli_y] = { ADIS16209_YINCL_OUT, ADIS16209_YINCL_NULL }, - [rot] = { ADIS16209_ROT_OUT }, - [temp] = { ADIS16209_TEMP_OUT }, +static const u8 adis16209_addresses[8][1] = { + [ADIS16209_SCAN_SUPPLY] = { }, + [ADIS16209_SCAN_AUX_ADC] = { }, + [ADIS16209_SCAN_ACC_X] = { ADIS16209_XACCL_NULL }, + [ADIS16209_SCAN_ACC_Y] = { ADIS16209_YACCL_NULL }, + [ADIS16209_SCAN_INCLI_X] = { ADIS16209_XINCL_NULL }, + [ADIS16209_SCAN_INCLI_Y] = { ADIS16209_YINCL_NULL }, + [ADIS16209_SCAN_ROT] = { }, + [ADIS16209_SCAN_TEMP] = { }, }; static int adis16209_write_raw(struct iio_dev *indio_dev, @@ -283,6 +40,7 @@ static int adis16209_write_raw(struct iio_dev *indio_dev, int val2, long mask) { + struct adis *st = iio_priv(indio_dev); int bits; s16 val16; u8 addr; @@ -295,10 +53,10 @@ static int adis16209_write_raw(struct iio_dev *indio_dev, break; default: return -EINVAL; - }; + } val16 = val & ((1 << bits) - 1); - addr = adis16209_addresses[chan->address][1]; - return adis16209_spi_write_reg_16(indio_dev, addr, val16); + addr = adis16209_addresses[chan->scan_index][0]; + return adis_write_reg_16(st, addr, val16); } return -EINVAL; } @@ -308,6 +66,7 @@ static int adis16209_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; @@ -315,29 +74,8 @@ static int adis16209_read_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_RAW: - mutex_lock(&indio_dev->mlock); - addr = adis16209_addresses[chan->address][0]; - ret = adis16209_spi_read_reg_16(indio_dev, addr, &val16); - if (ret) { - mutex_unlock(&indio_dev->mlock); - return ret; - } - - if (val16 & ADIS16209_ERROR_ACTIVE) { - ret = adis16209_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, + ADIS16209_ERROR_ACTIVE, val); case IIO_CHAN_INFO_SCALE: switch (chan->type) { case IIO_VOLTAGE: @@ -374,10 +112,10 @@ static int adis16209_read_raw(struct iio_dev *indio_dev, break; default: return -EINVAL; - }; + } mutex_lock(&indio_dev->mlock); - addr = adis16209_addresses[chan->address][1]; - ret = adis16209_spi_read_reg_16(indio_dev, addr, &val16); + addr = adis16209_addresses[chan->scan_index][0]; + ret = adis_read_reg_16(st, addr, &val16); if (ret) { mutex_unlock(&indio_dev->mlock); return ret; @@ -392,128 +130,56 @@ static int adis16209_read_raw(struct iio_dev *indio_dev, } static const struct iio_chan_spec adis16209_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 = ADIS16209_SCAN_SUPPLY, - .scan_type = { - .sign = 'u', - .realbits = 14, - .storagebits = 16, - }, - }, { - .type = IIO_TEMP, - .indexed = 0, - .channel = 0, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, - .address = temp, - .scan_index = ADIS16209_SCAN_TEMP, - .scan_type = { - .sign = 'u', - .realbits = 12, - .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 | - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, - .address = accel_x, - .scan_index = ADIS16209_SCAN_ACC_X, - .scan_type = { - .sign = 's', - .realbits = 14, - .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_CALIBBIAS_SEPARATE_BIT, - .address = accel_y, - .scan_index = ADIS16209_SCAN_ACC_Y, - .scan_type = { - .sign = 's', - .realbits = 14, - .storagebits = 16, - }, - }, { - .type = IIO_VOLTAGE, - .indexed = 1, - .channel = 1, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - .address = in_aux, - .scan_index = ADIS16209_SCAN_AUX_ADC, - .scan_type = { - .sign = 'u', - .realbits = 12, - .storagebits = 16, - }, - }, { - .type = IIO_INCLI, - .modified = 1, - .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, - .address = incli_x, - .scan_index = ADIS16209_SCAN_INCLI_X, - .scan_type = { - .sign = 's', - .realbits = 14, - .storagebits = 16, - }, - }, { - .type = IIO_INCLI, - .modified = 1, - .channel2 = IIO_MOD_Y, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, - .address = incli_y, - .scan_index = ADIS16209_SCAN_INCLI_Y, - .scan_type = { - .sign = 's', - .realbits = 14, - .storagebits = 16, - }, - }, { - .type = IIO_ROT, - .modified = 1, - .channel2 = IIO_MOD_X, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, - IIO_CHAN_INFO_SCALE_SHARED_BIT, - .address = rot, - .scan_index = ADIS16209_SCAN_ROT, - .scan_type = { - .sign = 's', - .realbits = 14, - .storagebits = 16, - }, - }, + ADIS_SUPPLY_CHAN(ADIS16209_SUPPLY_OUT, ADIS16209_SCAN_SUPPLY, 14), + ADIS_TEMP_CHAN(ADIS16209_TEMP_OUT, ADIS16209_SCAN_TEMP, 12), + ADIS_ACCEL_CHAN(X, ADIS16209_XACCL_OUT, ADIS16209_SCAN_ACC_X, + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, 14), + ADIS_ACCEL_CHAN(Y, ADIS16209_YACCL_OUT, ADIS16209_SCAN_ACC_Y, + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, 14), + ADIS_AUX_ADC_CHAN(ADIS16209_AUX_ADC, ADIS16209_SCAN_AUX_ADC, 12), + ADIS_INCLI_CHAN(X, ADIS16209_XINCL_OUT, ADIS16209_SCAN_INCLI_X, 0, 14), + ADIS_INCLI_CHAN(Y, ADIS16209_YINCL_OUT, ADIS16209_SCAN_INCLI_Y, 0, 14), + ADIS_ROT_CHAN(X, ADIS16209_ROT_OUT, ADIS16209_SCAN_ROT, 0, 14), IIO_CHAN_SOFT_TIMESTAMP(8) }; static const struct iio_info adis16209_info = { .read_raw = &adis16209_read_raw, .write_raw = &adis16209_write_raw, + .update_scan_mode = adis_update_scan_mode, .driver_module = THIS_MODULE, }; -static int __devinit adis16209_probe(struct spi_device *spi) +static const char * const adis16209_status_error_msgs[] = { + [ADIS16209_DIAG_STAT_SELFTEST_FAIL_BIT] = "Self test failure", + [ADIS16209_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure", + [ADIS16209_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed", + [ADIS16209_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V", + [ADIS16209_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 3.15V", +}; + +static const struct adis_data adis16209_data = { + .read_delay = 30, + .msc_ctrl_reg = ADIS16209_MSC_CTRL, + .glob_cmd_reg = ADIS16209_GLOB_CMD, + .diag_stat_reg = ADIS16209_DIAG_STAT, + + .self_test_mask = ADIS16209_MSC_CTRL_SELF_TEST_EN, + .startup_delay = ADIS16209_STARTUP_DELAY, + + .status_error_msgs = adis16209_status_error_msgs, + .status_error_mask = BIT(ADIS16209_DIAG_STAT_SELFTEST_FAIL_BIT) | + BIT(ADIS16209_DIAG_STAT_SPI_FAIL_BIT) | + BIT(ADIS16209_DIAG_STAT_FLASH_UPT_BIT) | + BIT(ADIS16209_DIAG_STAT_POWER_HIGH_BIT) | + BIT(ADIS16209_DIAG_STAT_POWER_LOW_BIT), +}; + + +static int adis16209_probe(struct spi_device *spi) { int ret; - struct adis16209_state *st; + struct adis *st; struct iio_dev *indio_dev; /* setup the industrialio driver allocated elements */ @@ -525,8 +191,6 @@ static int __devinit adis16209_probe(struct spi_device *spi) st = iio_priv(indio_dev); /* 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; @@ -535,54 +199,38 @@ static int __devinit adis16209_probe(struct spi_device *spi) indio_dev->num_channels = ARRAY_SIZE(adis16209_channels); indio_dev->modes = INDIO_DIRECT_MODE; - ret = adis16209_configure_ring(indio_dev); + ret = adis_init(st, indio_dev, spi, &adis16209_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, - adis16209_channels, - ARRAY_SIZE(adis16209_channels)); - if (ret) { - printk(KERN_ERR "failed to initialize the ring\n"); - goto error_unreg_ring_funcs; - } - - if (spi->irq) { - ret = adis16209_probe_trigger(indio_dev); - if (ret) - goto error_uninitialize_ring; - } /* Get the device into a sane initial state */ - ret = adis16209_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: - adis16209_remove_trigger(indio_dev); -error_uninitialize_ring: - iio_buffer_unregister(indio_dev); -error_unreg_ring_funcs: - adis16209_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: return ret; } -static int __devexit adis16209_remove(struct spi_device *spi) +static int adis16209_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); - adis16209_remove_trigger(indio_dev); - iio_buffer_unregister(indio_dev); - adis16209_unconfigure_ring(indio_dev); + adis_cleanup_buffer_and_trigger(st, indio_dev); iio_device_free(indio_dev); return 0; @@ -594,7 +242,7 @@ static struct spi_driver adis16209_driver = { .owner = THIS_MODULE, }, .probe = adis16209_probe, - .remove = __devexit_p(adis16209_remove), + .remove = adis16209_remove, }; module_spi_driver(adis16209_driver); diff --git a/drivers/staging/iio/accel/adis16209_ring.c b/drivers/staging/iio/accel/adis16209_ring.c deleted file mode 100644 index f939e29d6c82..000000000000 --- a/drivers/staging/iio/accel/adis16209_ring.c +++ /dev/null @@ -1,134 +0,0 @@ -#include <linux/export.h> -#include <linux/interrupt.h> -#include <linux/mutex.h> -#include <linux/kernel.h> -#include <linux/spi/spi.h> -#include <linux/slab.h> - -#include <linux/iio/iio.h> -#include "../ring_sw.h" -#include <linux/iio/trigger_consumer.h> -#include "adis16209.h" - -/** - * adis16209_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 adis16209_read_ring_data(struct iio_dev *indio_dev, u8 *rx) -{ - struct spi_message msg; - struct adis16209_state *st = iio_priv(indio_dev); - struct spi_transfer xfers[ADIS16209_OUTPUTS + 1]; - int ret; - int i; - - mutex_lock(&st->buf_lock); - - spi_message_init(&msg); - - memset(xfers, 0, sizeof(xfers)); - for (i = 0; i <= ADIS16209_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] - = ADIS16209_READ_REG(ADIS16209_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; -} - -/* Whilst this makes a lot of calls to iio_sw_ring functions - it is to device - * specific to be rolled into the core. - */ -static irqreturn_t adis16209_trigger_handler(int irq, void *p) -{ - struct iio_poll_func *pf = p; - struct iio_dev *indio_dev = pf->indio_dev; - struct adis16209_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) && - adis16209_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_buffer(indio_dev->buffer, (u8 *)data); - - kfree(data); -done: - iio_trigger_notify_done(indio_dev->trig); - - return IRQ_HANDLED; -} - -void adis16209_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 adis16209_ring_setup_ops = { - .preenable = &iio_sw_buffer_preenable, - .postenable = &iio_triggered_buffer_postenable, - .predisable = &iio_triggered_buffer_predisable, -}; - -int adis16209_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 = &adis16209_ring_setup_ops; - - indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time, - &adis16209_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/adis16209_trigger.c b/drivers/staging/iio/accel/adis16209_trigger.c deleted file mode 100644 index 2ad93dcaf40d..000000000000 --- a/drivers/staging/iio/accel/adis16209_trigger.c +++ /dev/null @@ -1,81 +0,0 @@ -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/spi/spi.h> -#include <linux/export.h> - -#include <linux/iio/iio.h> -#include <linux/iio/trigger.h> -#include "adis16209.h" - -/** - * adis16209_data_rdy_trig_poll() the event handler for the data rdy trig - **/ -static irqreturn_t adis16209_data_rdy_trig_poll(int irq, void *trig) -{ - iio_trigger_poll(trig, iio_get_time_ns()); - return IRQ_HANDLED; -} - -/** - * adis16209_data_rdy_trigger_set_state() set datardy interrupt state - **/ -static int adis16209_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 adis16209_set_irq(indio_dev, state); -} - -static const struct iio_trigger_ops adis16209_trigger_ops = { - .owner = THIS_MODULE, - .set_trigger_state = &adis16209_data_rdy_trigger_set_state, -}; - -int adis16209_probe_trigger(struct iio_dev *indio_dev) -{ - int ret; - struct adis16209_state *st = iio_priv(indio_dev); - - st->trig = iio_trigger_alloc("adis16209-dev%d", indio_dev->id); - if (st->trig == NULL) { - ret = -ENOMEM; - goto error_ret; - } - - ret = request_irq(st->us->irq, - adis16209_data_rdy_trig_poll, - IRQF_TRIGGER_RISING, - "adis16209", - st->trig); - if (ret) - goto error_free_trig; - st->trig->dev.parent = &st->us->dev; - st->trig->ops = &adis16209_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 adis16209_remove_trigger(struct iio_dev *indio_dev) -{ - struct adis16209_state *st = iio_priv(indio_dev); - - iio_trigger_unregister(st->trig); - free_irq(st->us->irq, st->trig); - iio_trigger_free(st->trig); -} diff --git a/drivers/staging/iio/accel/adis16220.h b/drivers/staging/iio/accel/adis16220.h index 024313cf5cf0..a894ad7fb26d 100644 --- a/drivers/staging/iio/accel/adis16220.h +++ b/drivers/staging/iio/accel/adis16220.h @@ -1,10 +1,9 @@ #ifndef SPI_ADIS16220_H_ #define SPI_ADIS16220_H_ -#define ADIS16220_STARTUP_DELAY 220 /* ms */ +#include <linux/iio/imu/adis.h> -#define ADIS16220_READ_REG(a) a -#define ADIS16220_WRITE_REG(a) ((a) | 0x80) +#define ADIS16220_STARTUP_DELAY 220 /* ms */ /* Flash memory write count */ #define ADIS16220_FLASH_CNT 0x00 @@ -102,15 +101,15 @@ #define ADIS16220_DIAG_STAT_FLASH_CHK (1<<6) #define ADIS16220_DIAG_STAT_SELF_TEST (1<<5) /* Capture period violation/interruption */ -#define ADIS16220_DIAG_STAT_VIOLATION (1<<4) +#define ADIS16220_DIAG_STAT_VIOLATION_BIT 4 /* SPI communications failure */ -#define ADIS16220_DIAG_STAT_SPI_FAIL (1<<3) +#define ADIS16220_DIAG_STAT_SPI_FAIL_BIT 3 /* Flash update failure */ -#define ADIS16220_DIAG_STAT_FLASH_UPT (1<<2) +#define ADIS16220_DIAG_STAT_FLASH_UPT_BIT 2 /* Power supply above 3.625 V */ -#define ADIS16220_DIAG_STAT_POWER_HIGH (1<<1) +#define ADIS16220_DIAG_STAT_POWER_HIGH_BIT 1 /* Power supply below 3.15 V */ -#define ADIS16220_DIAG_STAT_POWER_LOW (1<<0) +#define ADIS16220_DIAG_STAT_POWER_LOW_BIT 0 /* GLOB_CMD */ #define ADIS16220_GLOB_CMD_SW_RESET (1<<7) @@ -125,13 +124,14 @@ /** * struct adis16220_state - device instance specific data - * @us: actual spi_device + * @adis: adis device * @tx: transmit buffer * @rx: receive buffer * @buf_lock: mutex to protect tx and rx **/ struct adis16220_state { - struct spi_device *us; + struct adis adis; + struct mutex buf_lock; u8 tx[ADIS16220_MAX_TX] ____cacheline_aligned; u8 rx[ADIS16220_MAX_RX]; diff --git a/drivers/staging/iio/accel/adis16220_core.c b/drivers/staging/iio/accel/adis16220_core.c index eaadd9df3f78..370b01aa767a 100644 --- a/drivers/staging/iio/accel/adis16220_core.c +++ b/drivers/staging/iio/accel/adis16220_core.c @@ -20,138 +20,19 @@ #include "adis16220.h" -#define DRIVER_NAME "adis16220" - -/** - * adis16220_spi_write_reg_8() - write single byte to a register - * @indio_dev: iio device associated with child of actual device - * @reg_address: the address of the register to be written - * @val: the value to write - **/ -static int adis16220_spi_write_reg_8(struct iio_dev *indio_dev, - u8 reg_address, - u8 val) -{ - int ret; - struct adis16220_state *st = iio_priv(indio_dev); - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16220_WRITE_REG(reg_address); - st->tx[1] = val; - - ret = spi_write(st->us, st->tx, 2); - mutex_unlock(&st->buf_lock); - - return ret; -} - -/** - * adis16220_spi_write_reg_16() - write 2 bytes to a pair of registers - * @indio_dev: iio device associated with child of actual device - * @reg_address: the address of the lower of the two registers. Second register - * is assumed to have address one greater. - * @val: value to be written - **/ -static int adis16220_spi_write_reg_16(struct iio_dev *indio_dev, - u8 lower_reg_address, - u16 value) -{ - int ret; - struct spi_message msg; - struct adis16220_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] = ADIS16220_WRITE_REG(lower_reg_address); - st->tx[1] = value & 0xFF; - st->tx[2] = ADIS16220_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; -} - -/** - * adis16220_spi_read_reg_16() - read 2 bytes from a 16-bit register - * @indio_dev: iio device associated with child of actual device - * @reg_address: the address of the lower of the two registers. Second register - * is assumed to have address one greater. - * @val: somewhere to pass back the value read - **/ -static int adis16220_spi_read_reg_16(struct iio_dev *indio_dev, - u8 lower_reg_address, - u16 *val) -{ - struct spi_message msg; - struct adis16220_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] = ADIS16220_READ_REG(lower_reg_address); - st->tx[1] = 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 adis16220_read_16bit(struct device *dev, struct device_attribute *attr, char *buf) { struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); struct iio_dev *indio_dev = dev_to_iio_dev(dev); + struct adis16220_state *st = iio_priv(indio_dev); ssize_t ret; s16 val = 0; /* Take the iio_dev status lock */ mutex_lock(&indio_dev->mlock); - ret = adis16220_spi_read_reg_16(indio_dev, this_attr->address, + ret = adis_read_reg_16(&st->adis, this_attr->address, (u16 *)&val); mutex_unlock(&indio_dev->mlock); if (ret) @@ -166,13 +47,14 @@ static ssize_t adis16220_write_16bit(struct device *dev, { struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); + struct adis16220_state *st = iio_priv(indio_dev); int ret; u16 val; ret = kstrtou16(buf, 10, &val); if (ret) goto error_ret; - ret = adis16220_spi_write_reg_16(indio_dev, this_attr->address, val); + ret = adis_write_reg_16(&st->adis, this_attr->address, val); error_ret: return ret ? ret : len; @@ -180,10 +62,11 @@ error_ret: static int adis16220_capture(struct iio_dev *indio_dev) { + struct adis16220_state *st = iio_priv(indio_dev); int ret; - ret = adis16220_spi_write_reg_16(indio_dev, - ADIS16220_GLOB_CMD, - 0xBF08); /* initiates a manual data capture */ + + /* initiates a manual data capture */ + ret = adis_write_reg_16(&st->adis, ADIS16220_GLOB_CMD, 0xBF08); if (ret) dev_err(&indio_dev->dev, "problem beginning capture"); @@ -192,18 +75,6 @@ static int adis16220_capture(struct iio_dev *indio_dev) return ret; } -static int adis16220_reset(struct iio_dev *indio_dev) -{ - int ret; - ret = adis16220_spi_write_reg_8(indio_dev, - ADIS16220_GLOB_CMD, - ADIS16220_GLOB_CMD_SW_RESET); - if (ret) - dev_err(&indio_dev->dev, "problem resetting device"); - - return ret; -} - static ssize_t adis16220_write_capture(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) @@ -224,81 +95,6 @@ static ssize_t adis16220_write_capture(struct device *dev, return len; } -static int adis16220_check_status(struct iio_dev *indio_dev) -{ - u16 status; - int ret; - - ret = adis16220_spi_read_reg_16(indio_dev, ADIS16220_DIAG_STAT, - &status); - - if (ret < 0) { - dev_err(&indio_dev->dev, "Reading status failed\n"); - goto error_ret; - } - ret = status & 0x7F; - - if (status & ADIS16220_DIAG_STAT_VIOLATION) - dev_err(&indio_dev->dev, - "Capture period violation/interruption\n"); - if (status & ADIS16220_DIAG_STAT_SPI_FAIL) - dev_err(&indio_dev->dev, "SPI failure\n"); - if (status & ADIS16220_DIAG_STAT_FLASH_UPT) - dev_err(&indio_dev->dev, "Flash update failed\n"); - if (status & ADIS16220_DIAG_STAT_POWER_HIGH) - dev_err(&indio_dev->dev, "Power supply above 3.625V\n"); - if (status & ADIS16220_DIAG_STAT_POWER_LOW) - dev_err(&indio_dev->dev, "Power supply below 3.15V\n"); - -error_ret: - return ret; -} - -static int adis16220_self_test(struct iio_dev *indio_dev) -{ - int ret; - ret = adis16220_spi_write_reg_16(indio_dev, - ADIS16220_MSC_CTRL, - ADIS16220_MSC_CTRL_SELF_TEST_EN); - if (ret) { - dev_err(&indio_dev->dev, "problem starting self test"); - goto err_ret; - } - - adis16220_check_status(indio_dev); - -err_ret: - return ret; -} - -static int adis16220_initial_setup(struct iio_dev *indio_dev) -{ - int ret; - - /* Do self test */ - ret = adis16220_self_test(indio_dev); - if (ret) { - dev_err(&indio_dev->dev, "self test failure"); - goto err_ret; - } - - /* Read status register to check the result */ - ret = adis16220_check_status(indio_dev); - if (ret) { - adis16220_reset(indio_dev); - dev_err(&indio_dev->dev, "device not playing ball -> reset"); - msleep(ADIS16220_STARTUP_DELAY); - ret = adis16220_check_status(indio_dev); - if (ret) { - dev_err(&indio_dev->dev, "giving up"); - goto err_ret; - } - } - -err_ret: - return ret; -} - static ssize_t adis16220_capture_buffer_read(struct iio_dev *indio_dev, char *buf, loff_t off, @@ -335,7 +131,7 @@ static ssize_t adis16220_capture_buffer_read(struct iio_dev *indio_dev, count = ADIS16220_CAPTURE_SIZE - off; /* write the begin position of capture buffer */ - ret = adis16220_spi_write_reg_16(indio_dev, + ret = adis_write_reg_16(&st->adis, ADIS16220_CAPT_PNTR, off > 1); if (ret) @@ -344,8 +140,9 @@ static ssize_t adis16220_capture_buffer_read(struct iio_dev *indio_dev, /* read count/2 values from capture buffer */ mutex_lock(&st->buf_lock); + for (i = 0; i < count; i += 2) { - st->tx[i] = ADIS16220_READ_REG(addr); + st->tx[i] = ADIS_READ_REG(addr); st->tx[i + 1] = 0; } xfers[1].len = count; @@ -353,7 +150,7 @@ static ssize_t adis16220_capture_buffer_read(struct iio_dev *indio_dev, spi_message_init(&msg); spi_message_add_tail(&xfers[0], &msg); spi_message_add_tail(&xfers[1], &msg); - ret = spi_sync(st->us, &msg); + ret = spi_sync(st->adis.spi, &msg); if (ret) { mutex_unlock(&st->buf_lock); @@ -474,6 +271,8 @@ static int adis16220_read_raw(struct iio_dev *indio_dev, int *val, int *val2, long mask) { + struct adis16220_state *st = iio_priv(indio_dev); + const struct adis16220_address_spec *addr; int ret = -EINVAL; int addrind = 0; u16 uval; @@ -518,28 +317,21 @@ static int adis16220_read_raw(struct iio_dev *indio_dev, default: return -EINVAL; } - if (adis16220_addresses[chan->address][addrind].sign) { - ret = adis16220_spi_read_reg_16(indio_dev, - adis16220_addresses[chan - ->address] - [addrind].addr, - &sval); + addr = &adis16220_addresses[chan->address][addrind]; + if (addr->sign) { + ret = adis_read_reg_16(&st->adis, addr->addr, &sval); if (ret) return ret; - bits = adis16220_addresses[chan->address][addrind].bits; + bits = addr->bits; sval &= (1 << bits) - 1; sval = (s16)(sval << (16 - bits)) >> (16 - bits); *val = sval; return IIO_VAL_INT; } else { - ret = adis16220_spi_read_reg_16(indio_dev, - adis16220_addresses[chan - ->address] - [addrind].addr, - &uval); + ret = adis_read_reg_16(&st->adis, addr->addr, &uval); if (ret) return ret; - bits = adis16220_addresses[chan->address][addrind].bits; + bits = addr->bits; uval &= (1 << bits) - 1; *val = uval; return IIO_VAL_INT; @@ -603,7 +395,33 @@ static const struct iio_info adis16220_info = { .read_raw = &adis16220_read_raw, }; -static int __devinit adis16220_probe(struct spi_device *spi) +static const char * const adis16220_status_error_msgs[] = { + [ADIS16220_DIAG_STAT_VIOLATION_BIT] = "Capture period violation/interruption", + [ADIS16220_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure", + [ADIS16220_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed", + [ADIS16220_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V", + [ADIS16220_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 3.15V", +}; + +static const struct adis_data adis16220_data = { + .read_delay = 35, + .write_delay = 35, + .msc_ctrl_reg = ADIS16220_MSC_CTRL, + .glob_cmd_reg = ADIS16220_GLOB_CMD, + .diag_stat_reg = ADIS16220_DIAG_STAT, + + .self_test_mask = ADIS16220_MSC_CTRL_SELF_TEST_EN, + .startup_delay = ADIS16220_STARTUP_DELAY, + + .status_error_msgs = adis16220_status_error_msgs, + .status_error_mask = BIT(ADIS16220_DIAG_STAT_VIOLATION_BIT) | + BIT(ADIS16220_DIAG_STAT_SPI_FAIL_BIT) | + BIT(ADIS16220_DIAG_STAT_FLASH_UPT_BIT) | + BIT(ADIS16220_DIAG_STAT_POWER_HIGH_BIT) | + BIT(ADIS16220_DIAG_STAT_POWER_LOW_BIT), +}; + +static int adis16220_probe(struct spi_device *spi) { int ret; struct adis16220_state *st; @@ -620,9 +438,6 @@ static int __devinit adis16220_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 = &adis16220_info; @@ -646,8 +461,11 @@ static int __devinit adis16220_probe(struct spi_device *spi) if (ret) goto error_rm_adc1_bin; + ret = adis_init(&st->adis, indio_dev, spi, &adis16220_data); + if (ret) + goto error_rm_adc2_bin; /* Get the device into a sane initial state */ - ret = adis16220_initial_setup(indio_dev); + ret = adis_initial_startup(&st->adis); if (ret) goto error_rm_adc2_bin; return 0; @@ -666,7 +484,7 @@ error_ret: return ret; } -static int __devexit adis16220_remove(struct spi_device *spi) +static int adis16220_remove(struct spi_device *spi) { struct iio_dev *indio_dev = spi_get_drvdata(spi); @@ -685,7 +503,7 @@ static struct spi_driver adis16220_driver = { .owner = THIS_MODULE, }, .probe = adis16220_probe, - .remove = __devexit_p(adis16220_remove), + .remove = adis16220_remove, }; module_spi_driver(adis16220_driver); 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 35e093973d5c..e97fa0b0233d 100644 --- a/drivers/staging/iio/accel/adis16240_core.c +++ b/drivers/staging/iio/accel/adis16240_core.c @@ -22,151 +22,29 @@ #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> #include <linux/iio/buffer.h> +#include <linux/iio/imu/adis.h> #include "adis16240.h" -#define DRIVER_NAME "adis16240" - -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; -} - static ssize_t adis16240_spi_read_signed(struct device *dev, struct device_attribute *attr, char *buf, 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); @@ -187,152 +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, @@ -340,6 +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; @@ -347,29 +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: @@ -402,8 +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; @@ -416,8 +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; @@ -437,104 +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) }; @@ -552,13 +202,40 @@ static const struct iio_info adis16240_info = { .attrs = &adis16240_attribute_group, .read_raw = &adis16240_read_raw, .write_raw = &adis16240_write_raw, + .update_scan_mode = adis_update_scan_mode, .driver_module = THIS_MODULE, }; -static int __devinit adis16240_probe(struct spi_device *spi) +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 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 */ @@ -571,9 +248,6 @@ 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; @@ -581,54 +255,37 @@ 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: return ret; } -static int __devexit adis16240_remove(struct spi_device *spi) +static int 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; @@ -640,7 +297,7 @@ static struct spi_driver adis16240_driver = { .owner = THIS_MODULE, }, .probe = adis16240_probe, - .remove = __devexit_p(adis16240_remove), + .remove = adis16240_remove, }; module_spi_driver(adis16240_driver); diff --git a/drivers/staging/iio/accel/adis16240_ring.c b/drivers/staging/iio/accel/adis16240_ring.c deleted file mode 100644 index caff8e25e0a2..000000000000 --- a/drivers/staging/iio/accel/adis16240_ring.c +++ /dev/null @@ -1,132 +0,0 @@ -#include <linux/export.h> -#include <linux/interrupt.h> -#include <linux/mutex.h> -#include <linux/kernel.h> -#include <linux/spi/spi.h> -#include <linux/slab.h> - -#include <linux/iio/iio.h> -#include "../ring_sw.h" -#include <linux/iio/trigger_consumer.h> -#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_buffer(indio_dev->buffer, (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 fa90a22b143e..000000000000 --- a/drivers/staging/iio/accel/adis16240_trigger.c +++ /dev/null @@ -1,82 +0,0 @@ -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/spi/spi.h> -#include <linux/export.h> - -#include <linux/iio/iio.h> -#include <linux/iio/trigger.h> -#include "adis16240.h" - -/** - * adis16240_data_rdy_trig_poll() the event handler for the data rdy trig - **/ -static irqreturn_t adis16240_data_rdy_trig_poll(int irq, void *trig) -{ - iio_trigger_poll(trig, iio_get_time_ns()); - return IRQ_HANDLED; -} - -/** - * 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, - adis16240_data_rdy_trig_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); -} diff --git a/drivers/staging/iio/accel/kxsd9.c b/drivers/staging/iio/accel/kxsd9.c index fdd5fbded660..318331f08d9c 100644 --- a/drivers/staging/iio/accel/kxsd9.c +++ b/drivers/staging/iio/accel/kxsd9.c @@ -171,7 +171,7 @@ static int kxsd9_read_raw(struct iio_dev *indio_dev, *val2 = kxsd9_micro_scales[ret & KXSD9_FS_MASK]; ret = IIO_VAL_INT_PLUS_MICRO; break; - }; + } error_ret: return ret; @@ -200,7 +200,7 @@ static const struct attribute_group kxsd9_attribute_group = { .attrs = kxsd9_attributes, }; -static int __devinit kxsd9_power_up(struct kxsd9_state *st) +static int kxsd9_power_up(struct kxsd9_state *st) { int ret; @@ -222,7 +222,7 @@ static const struct iio_info kxsd9_info = { .driver_module = THIS_MODULE, }; -static int __devinit kxsd9_probe(struct spi_device *spi) +static int kxsd9_probe(struct spi_device *spi) { struct iio_dev *indio_dev; struct kxsd9_state *st; @@ -261,7 +261,7 @@ error_ret: return ret; } -static int __devexit kxsd9_remove(struct spi_device *spi) +static int kxsd9_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); iio_device_free(spi_get_drvdata(spi)); @@ -281,7 +281,7 @@ static struct spi_driver kxsd9_driver = { .owner = THIS_MODULE, }, .probe = kxsd9_probe, - .remove = __devexit_p(kxsd9_remove), + .remove = kxsd9_remove, .id_table = kxsd9_id, }; module_spi_driver(kxsd9_driver); diff --git a/drivers/staging/iio/accel/lis3l02dq.h b/drivers/staging/iio/accel/lis3l02dq.h index f9bcd41f7188..2bac7221837c 100644 --- a/drivers/staging/iio/accel/lis3l02dq.h +++ b/drivers/staging/iio/accel/lis3l02dq.h @@ -158,6 +158,7 @@ struct lis3l02dq_state { struct spi_device *us; struct iio_trigger *trig; struct mutex buf_lock; + int gpio; bool trigger_on; u8 tx[LIS3L02DQ_MAX_RX] ____cacheline_aligned; diff --git a/drivers/staging/iio/accel/lis3l02dq_core.c b/drivers/staging/iio/accel/lis3l02dq_core.c index 21b0469f8bc2..37ed1b8ebb6f 100644 --- a/drivers/staging/iio/accel/lis3l02dq_core.c +++ b/drivers/staging/iio/accel/lis3l02dq_core.c @@ -15,6 +15,7 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/gpio.h> +#include <linux/of_gpio.h> #include <linux/mutex.h> #include <linux/device.h> #include <linux/kernel.h> @@ -674,7 +675,7 @@ static const struct iio_info lis3l02dq_info = { .attrs = &lis3l02dq_attribute_group, }; -static int __devinit lis3l02dq_probe(struct spi_device *spi) +static int lis3l02dq_probe(struct spi_device *spi) { int ret; struct lis3l02dq_state *st; @@ -690,6 +691,7 @@ static int __devinit lis3l02dq_probe(struct spi_device *spi) spi_set_drvdata(spi, indio_dev); st->us = spi; + st->gpio = of_get_gpio(spi->dev.of_node, 0); mutex_init(&st->buf_lock); indio_dev->name = spi->dev.driver->name; indio_dev->dev.parent = &spi->dev; @@ -711,7 +713,7 @@ static int __devinit lis3l02dq_probe(struct spi_device *spi) goto error_unreg_buffer_funcs; } - if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq)) > 0) { + if (spi->irq) { ret = request_threaded_irq(st->us->irq, &lis3l02dq_th, &lis3l02dq_event_handler, @@ -738,10 +740,10 @@ static int __devinit lis3l02dq_probe(struct spi_device *spi) return 0; error_remove_trigger: - if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq))) + if (spi->irq) lis3l02dq_remove_trigger(indio_dev); error_free_interrupt: - if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq)) > 0) + if (spi->irq) free_irq(st->us->irq, indio_dev); error_uninitialize_buffer: iio_buffer_unregister(indio_dev); @@ -780,7 +782,7 @@ err_ret: } /* fixme, confirm ordering in this function */ -static int __devexit lis3l02dq_remove(struct spi_device *spi) +static int lis3l02dq_remove(struct spi_device *spi) { struct iio_dev *indio_dev = spi_get_drvdata(spi); struct lis3l02dq_state *st = iio_priv(indio_dev); @@ -790,7 +792,7 @@ static int __devexit lis3l02dq_remove(struct spi_device *spi) lis3l02dq_disable_all_events(indio_dev); lis3l02dq_stop_device(indio_dev); - if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq)) > 0) + if (spi->irq) free_irq(st->us->irq, indio_dev); lis3l02dq_remove_trigger(indio_dev); @@ -808,7 +810,7 @@ static struct spi_driver lis3l02dq_driver = { .owner = THIS_MODULE, }, .probe = lis3l02dq_probe, - .remove = __devexit_p(lis3l02dq_remove), + .remove = lis3l02dq_remove, }; module_spi_driver(lis3l02dq_driver); diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c index fa4190d96247..bc38651c315e 100644 --- a/drivers/staging/iio/accel/lis3l02dq_ring.c +++ b/drivers/staging/iio/accel/lis3l02dq_ring.c @@ -154,7 +154,7 @@ static irqreturn_t lis3l02dq_trigger_handler(int irq, void *p) if (indio_dev->scan_timestamp) *(s64 *)((u8 *)data + ALIGN(len, sizeof(s64))) = pf->timestamp; - iio_push_to_buffer(indio_dev->buffer, (u8 *)data); + iio_push_to_buffers(indio_dev, (u8 *)data); kfree(data); done: @@ -237,7 +237,7 @@ static int lis3l02dq_data_rdy_trigger_set_state(struct iio_trigger *trig, u8 t; __lis3l02dq_write_data_ready_config(indio_dev, state); - if (state == false) { + if (!state) { /* * A possible quirk with the handler is currently worked around * by ensuring outstanding read events are cleared. @@ -263,7 +263,7 @@ static int lis3l02dq_trig_try_reen(struct iio_trigger *trig) /* If gpio still high (or high again) * In theory possible we will need to do this several times */ for (i = 0; i < 5; i++) - if (gpio_get_value(irq_to_gpio(st->us->irq))) + if (gpio_get_value(st->gpio)) lis3l02dq_read_all(indio_dev, NULL); else break; diff --git a/drivers/staging/iio/accel/sca3000_core.c b/drivers/staging/iio/accel/sca3000_core.c index ffd1697a9db0..414d3cad55a7 100644 --- a/drivers/staging/iio/accel/sca3000_core.c +++ b/drivers/staging/iio/accel/sca3000_core.c @@ -1139,7 +1139,7 @@ static const struct iio_info sca3000_info_with_temp = { .driver_module = THIS_MODULE, }; -static int __devinit sca3000_probe(struct spi_device *spi) +static int sca3000_probe(struct spi_device *spi) { int ret; struct sca3000_state *st; @@ -1233,7 +1233,7 @@ error_ret: return ret; } -static int __devexit sca3000_remove(struct spi_device *spi) +static int sca3000_remove(struct spi_device *spi) { struct iio_dev *indio_dev = spi_get_drvdata(spi); struct sca3000_state *st = iio_priv(indio_dev); @@ -1265,7 +1265,7 @@ static struct spi_driver sca3000_driver = { .owner = THIS_MODULE, }, .probe = sca3000_probe, - .remove = __devexit_p(sca3000_remove), + .remove = sca3000_remove, .id_table = sca3000_id, }; module_spi_driver(sca3000_driver); diff --git a/drivers/staging/iio/adc/Kconfig b/drivers/staging/iio/adc/Kconfig index a525143ecbea..fb8c239b0c88 100644 --- a/drivers/staging/iio/adc/Kconfig +++ b/drivers/staging/iio/adc/Kconfig @@ -10,17 +10,6 @@ config AD7291 Say yes here to build support for Analog Devices AD7291 8 Channel ADC with temperature sensor. -config AD7298 - tristate "Analog Devices AD7298 ADC driver" - depends on SPI - select IIO_TRIGGERED_BUFFER if IIO_BUFFER - help - Say yes here to build support for Analog Devices AD7298 - 8 Channel ADC with temperature sensor. - - To compile this driver as a module, choose M here: the - module will be called ad7298. - config AD7606 tristate "Analog Devices AD7606 ADC driver" depends on GPIOLIB @@ -68,19 +57,6 @@ config AD799X_RING_BUFFER Say yes here to include ring buffer support in the AD799X ADC driver. -config AD7887 - tristate "Analog Devices AD7887 ADC driver" - depends on SPI - select IIO_BUFFER - select IIO_TRIGGERED_BUFFER - help - Say yes here to build support for Analog Devices - AD7887 SPI analog to digital converter (ADC). - If unsure, say N (but it's safe to say "Y"). - - To compile this driver as a module, choose M here: the - module will be called ad7887. - config AD7780 tristate "Analog Devices AD7780 and similar ADCs driver" depends on SPI @@ -94,18 +70,6 @@ config AD7780 To compile this driver as a module, choose M here: the module will be called ad7780. -config AD7793 - tristate "Analog Devices AD7793 and similar ADCs driver" - depends on SPI - select AD_SIGMA_DELTA - help - Say yes here to build support for Analog Devices AD7785, AD7792, AD7793, - AD7794 and AD7795 SPI analog to digital converters (ADC). - If unsure, say N (but it's safe to say "Y"). - - To compile this driver as a module, choose M here: the - module will be called AD7793. - config AD7816 tristate "Analog Devices AD7816/7/8 temperature sensor and ADC driver" depends on SPI @@ -126,18 +90,11 @@ config AD7192 To compile this driver as a module, choose M here: the module will be called ad7192. -config ADT7310 - tristate "Analog Devices ADT7310 temperature sensor driver" - depends on SPI - help - Say yes here to build support for Analog Devices ADT7310 - temperature sensors. - config ADT7410 - tristate "Analog Devices ADT7410 temperature sensor driver" - depends on I2C + tristate "Analog Devices ADT7310/ADT7410 temperature sensor driver" + depends on I2C || SPI_MASTER help - Say yes here to build support for Analog Devices ADT7410 + Say yes here to build support for Analog Devices ADT7310/ADT7410 temperature sensors. config AD7280 @@ -150,30 +107,6 @@ config AD7280 To compile this driver as a module, choose M here: the module will be called ad7280a -config MAX1363 - tristate "Maxim max1363 ADC driver" - depends on I2C - select IIO_TRIGGER if IIO_BUFFER - select MAX1363_RING_BUFFER - help - Say yes here to build support for many Maxim i2c analog to digital - converters (ADC). (max1361, max1362, max1363, max1364, max1036, - max1037, max1038, max1039, max1136, max1136, max1137, max1138, - max1139, max1236, max1237, max11238, max1239, max11600, max11601, - max11602, max11603, max11604, max11605, max11606, max11607, - max11608, max11609, max11610, max11611, max11612, max11613, - max11614, max11615, max11616, max11617, max11644, max11645, - max11646, max11647) Provides direct access via sysfs. - -config MAX1363_RING_BUFFER - bool "Maxim max1363: use ring buffer" - depends on MAX1363 - select IIO_BUFFER - select IIO_SW_RING - help - Say yes here to include ring buffer support in the MAX1363 - ADC driver. - config LPC32XX_ADC tristate "NXP LPC32XX ADC" depends on ARCH_LPC32XX diff --git a/drivers/staging/iio/adc/Makefile b/drivers/staging/iio/adc/Makefile index 62ee02e80cf9..d285596272a0 100644 --- a/drivers/staging/iio/adc/Makefile +++ b/drivers/staging/iio/adc/Makefile @@ -2,11 +2,6 @@ # Makefile for industrial I/O ADC drivers # -max1363-y := max1363_core.o -max1363-y += max1363_ring.o - -obj-$(CONFIG_MAX1363) += max1363.o - ad7606-y := ad7606_core.o ad7606-$(CONFIG_IIO_BUFFER) += ad7606_ring.o ad7606-$(CONFIG_AD7606_IFACE_PARALLEL) += ad7606_par.o @@ -17,20 +12,10 @@ ad799x-y := ad799x_core.o ad799x-$(CONFIG_AD799X_RING_BUFFER) += ad799x_ring.o obj-$(CONFIG_AD799X) += ad799x.o -ad7887-y := ad7887_core.o -ad7887-$(CONFIG_IIO_BUFFER) += ad7887_ring.o -obj-$(CONFIG_AD7887) += ad7887.o - -ad7298-y := ad7298_core.o -ad7298-$(CONFIG_IIO_BUFFER) += ad7298_ring.o -obj-$(CONFIG_AD7298) += ad7298.o - obj-$(CONFIG_AD7291) += ad7291.o obj-$(CONFIG_AD7780) += ad7780.o -obj-$(CONFIG_AD7793) += ad7793.o obj-$(CONFIG_AD7816) += ad7816.o obj-$(CONFIG_AD7192) += ad7192.o -obj-$(CONFIG_ADT7310) += adt7310.o obj-$(CONFIG_ADT7410) += adt7410.o obj-$(CONFIG_AD7280) += ad7280a.o obj-$(CONFIG_LPC32XX_ADC) += lpc32xx_adc.o diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c index aeaa61d49f51..504701940585 100644 --- a/drivers/staging/iio/adc/ad7192.c +++ b/drivers/staging/iio/adc/ad7192.c @@ -606,7 +606,7 @@ static const struct iio_chan_spec ad7192_channels[] = { IIO_CHAN_SOFT_TIMESTAMP(8), }; -static int __devinit ad7192_probe(struct spi_device *spi) +static int ad7192_probe(struct spi_device *spi) { const struct ad7192_platform_data *pdata = spi->dev.platform_data; struct ad7192_state *st; @@ -686,7 +686,7 @@ error_put_reg: return ret; } -static int __devexit ad7192_remove(struct spi_device *spi) +static int ad7192_remove(struct spi_device *spi) { struct iio_dev *indio_dev = spi_get_drvdata(spi); struct ad7192_state *st = iio_priv(indio_dev); @@ -716,7 +716,7 @@ static struct spi_driver ad7192_driver = { .owner = THIS_MODULE, }, .probe = ad7192_probe, - .remove = __devexit_p(ad7192_remove), + .remove = ad7192_remove, .id_table = ad7192_id, }; module_spi_driver(ad7192_driver); diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c index cfc39a703126..fa81a491e790 100644 --- a/drivers/staging/iio/adc/ad7280a.c +++ b/drivers/staging/iio/adc/ad7280a.c @@ -117,7 +117,7 @@ */ #define POLYNOM 0x2F #define POLYNOM_ORDER 8 -#define HIGHBIT 1 << (POLYNOM_ORDER - 1); +#define HIGHBIT (1 << (POLYNOM_ORDER - 1)) struct ad7280_state { struct spi_device *spi; @@ -832,7 +832,7 @@ static const struct ad7280_platform_data ad7793_default_pdata = { .thermistor_term_en = true, }; -static int __devinit ad7280_probe(struct spi_device *spi) +static int ad7280_probe(struct spi_device *spi) { const struct ad7280_platform_data *pdata = spi->dev.platform_data; struct ad7280_state *st; @@ -950,7 +950,7 @@ error_free_device: return ret; } -static int __devexit ad7280_remove(struct spi_device *spi) +static int ad7280_remove(struct spi_device *spi) { struct iio_dev *indio_dev = spi_get_drvdata(spi); struct ad7280_state *st = iio_priv(indio_dev); @@ -981,7 +981,7 @@ static struct spi_driver ad7280_driver = { .owner = THIS_MODULE, }, .probe = ad7280_probe, - .remove = __devexit_p(ad7280_remove), + .remove = ad7280_remove, .id_table = ad7280_id, }; module_spi_driver(ad7280_driver); diff --git a/drivers/staging/iio/adc/ad7291.c b/drivers/staging/iio/adc/ad7291.c index 029b39c0ba60..6e58e36d242c 100644 --- a/drivers/staging/iio/adc/ad7291.c +++ b/drivers/staging/iio/adc/ad7291.c @@ -580,7 +580,7 @@ static const struct iio_info ad7291_info = { .event_attrs = &ad7291_event_attribute_group, }; -static int __devinit ad7291_probe(struct i2c_client *client, +static int ad7291_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct ad7291_chip_info *chip; @@ -674,7 +674,7 @@ error_ret: return ret; } -static int __devexit ad7291_remove(struct i2c_client *client) +static int ad7291_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct ad7291_chip_info *chip = iio_priv(indio_dev); @@ -706,7 +706,7 @@ static struct i2c_driver ad7291_driver = { .name = KBUILD_MODNAME, }, .probe = ad7291_probe, - .remove = __devexit_p(ad7291_remove), + .remove = ad7291_remove, .id_table = ad7291_id, }; module_i2c_driver(ad7291_driver); diff --git a/drivers/staging/iio/adc/ad7298.h b/drivers/staging/iio/adc/ad7298.h deleted file mode 100644 index 18f278723002..000000000000 --- a/drivers/staging/iio/adc/ad7298.h +++ /dev/null @@ -1,75 +0,0 @@ -/* - * AD7298 SPI ADC driver - * - * Copyright 2011 Analog Devices Inc. - * - * Licensed under the GPL-2. - */ - -#ifndef IIO_ADC_AD7298_H_ -#define IIO_ADC_AD7298_H_ - -#define AD7298_WRITE (1 << 15) /* write to the control register */ -#define AD7298_REPEAT (1 << 14) /* repeated conversion enable */ -#define AD7298_CH(x) (1 << (13 - (x))) /* channel select */ -#define AD7298_TSENSE (1 << 5) /* temperature conversion enable */ -#define AD7298_EXTREF (1 << 2) /* external reference enable */ -#define AD7298_TAVG (1 << 1) /* temperature sensor averaging enable */ -#define AD7298_PDD (1 << 0) /* partial power down enable */ - -#define AD7298_MAX_CHAN 8 -#define AD7298_BITS 12 -#define AD7298_STORAGE_BITS 16 -#define AD7298_INTREF_mV 2500 - -#define AD7298_CH_TEMP 9 - -#define RES_MASK(bits) ((1 << (bits)) - 1) - -/* - * TODO: struct ad7298_platform_data needs to go into include/linux/iio - */ - -struct ad7298_platform_data { - /* External Vref voltage applied */ - u16 vref_mv; -}; - -struct ad7298_state { - struct spi_device *spi; - struct regulator *reg; - u16 int_vref_mv; - unsigned ext_ref; - struct spi_transfer ring_xfer[10]; - struct spi_transfer scan_single_xfer[3]; - struct spi_message ring_msg; - struct spi_message scan_single_msg; - /* - * DMA (thus cache coherency maintenance) requires the - * transfer buffers to live in their own cache lines. - */ - unsigned short rx_buf[8] ____cacheline_aligned; - unsigned short tx_buf[2]; -}; - -#ifdef CONFIG_IIO_BUFFER -int ad7298_register_ring_funcs_and_init(struct iio_dev *indio_dev); -void ad7298_ring_cleanup(struct iio_dev *indio_dev); -int ad7298_update_scan_mode(struct iio_dev *indio_dev, - const unsigned long *active_scan_mask); -#else /* CONFIG_IIO_BUFFER */ - -static inline int -ad7298_register_ring_funcs_and_init(struct iio_dev *indio_dev) -{ - return 0; -} - -static inline void ad7298_ring_cleanup(struct iio_dev *indio_dev) -{ -} - -#define ad7298_update_scan_mode NULL - -#endif /* CONFIG_IIO_BUFFER */ -#endif /* IIO_ADC_AD7298_H_ */ diff --git a/drivers/staging/iio/adc/ad7298_core.c b/drivers/staging/iio/adc/ad7298_core.c deleted file mode 100644 index 4c75114e7d7c..000000000000 --- a/drivers/staging/iio/adc/ad7298_core.c +++ /dev/null @@ -1,289 +0,0 @@ -/* - * AD7298 SPI ADC driver - * - * Copyright 2011 Analog Devices Inc. - * - * Licensed under the GPL-2. - */ - -#include <linux/device.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/sysfs.h> -#include <linux/spi/spi.h> -#include <linux/regulator/consumer.h> -#include <linux/err.h> -#include <linux/delay.h> -#include <linux/module.h> - -#include <linux/iio/iio.h> -#include <linux/iio/sysfs.h> -#include <linux/iio/buffer.h> - -#include "ad7298.h" - -#define AD7298_V_CHAN(index) \ - { \ - .type = IIO_VOLTAGE, \ - .indexed = 1, \ - .channel = index, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT, \ - .address = index, \ - .scan_index = index, \ - .scan_type = { \ - .sign = 'u', \ - .realbits = 12, \ - .storagebits = 16, \ - }, \ - } - -static const struct iio_chan_spec ad7298_channels[] = { - { - .type = IIO_TEMP, - .indexed = 1, - .channel = 0, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - .address = AD7298_CH_TEMP, - .scan_index = -1, - .scan_type = { - .sign = 's', - .realbits = 32, - .storagebits = 32, - }, - }, - AD7298_V_CHAN(0), - AD7298_V_CHAN(1), - AD7298_V_CHAN(2), - AD7298_V_CHAN(3), - AD7298_V_CHAN(4), - AD7298_V_CHAN(5), - AD7298_V_CHAN(6), - AD7298_V_CHAN(7), - IIO_CHAN_SOFT_TIMESTAMP(8), -}; - -static int ad7298_scan_direct(struct ad7298_state *st, unsigned ch) -{ - int ret; - st->tx_buf[0] = cpu_to_be16(AD7298_WRITE | st->ext_ref | - (AD7298_CH(0) >> ch)); - - ret = spi_sync(st->spi, &st->scan_single_msg); - if (ret) - return ret; - - return be16_to_cpu(st->rx_buf[0]); -} - -static int ad7298_scan_temp(struct ad7298_state *st, int *val) -{ - int tmp, ret; - __be16 buf; - - buf = cpu_to_be16(AD7298_WRITE | AD7298_TSENSE | - AD7298_TAVG | st->ext_ref); - - ret = spi_write(st->spi, (u8 *)&buf, 2); - if (ret) - return ret; - - buf = cpu_to_be16(0); - - ret = spi_write(st->spi, (u8 *)&buf, 2); - if (ret) - return ret; - - usleep_range(101, 1000); /* sleep > 100us */ - - ret = spi_read(st->spi, (u8 *)&buf, 2); - if (ret) - return ret; - - tmp = be16_to_cpu(buf) & RES_MASK(AD7298_BITS); - - /* - * One LSB of the ADC corresponds to 0.25 deg C. - * The temperature reading is in 12-bit twos complement format - */ - - if (tmp & (1 << (AD7298_BITS - 1))) { - tmp = (4096 - tmp) * 250; - tmp -= (2 * tmp); - - } else { - tmp *= 250; /* temperature in milli degrees Celsius */ - } - - *val = tmp; - - return 0; -} - -static int ad7298_read_raw(struct iio_dev *indio_dev, - struct iio_chan_spec const *chan, - int *val, - int *val2, - long m) -{ - int ret; - struct ad7298_state *st = iio_priv(indio_dev); - unsigned int scale_uv; - - switch (m) { - case IIO_CHAN_INFO_RAW: - mutex_lock(&indio_dev->mlock); - if (indio_dev->currentmode == INDIO_BUFFER_TRIGGERED) { - ret = -EBUSY; - } else { - if (chan->address == AD7298_CH_TEMP) - ret = ad7298_scan_temp(st, val); - else - ret = ad7298_scan_direct(st, chan->address); - } - mutex_unlock(&indio_dev->mlock); - - if (ret < 0) - return ret; - - if (chan->address != AD7298_CH_TEMP) - *val = ret & RES_MASK(AD7298_BITS); - - return IIO_VAL_INT; - case IIO_CHAN_INFO_SCALE: - switch (chan->type) { - case IIO_VOLTAGE: - scale_uv = (st->int_vref_mv * 1000) >> AD7298_BITS; - *val = scale_uv / 1000; - *val2 = (scale_uv % 1000) * 1000; - return IIO_VAL_INT_PLUS_MICRO; - case IIO_TEMP: - *val = 1; - *val2 = 0; - return IIO_VAL_INT_PLUS_MICRO; - default: - return -EINVAL; - } - } - return -EINVAL; -} - -static const struct iio_info ad7298_info = { - .read_raw = &ad7298_read_raw, - .update_scan_mode = ad7298_update_scan_mode, - .driver_module = THIS_MODULE, -}; - -static int __devinit ad7298_probe(struct spi_device *spi) -{ - struct ad7298_platform_data *pdata = spi->dev.platform_data; - struct ad7298_state *st; - int ret; - struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st)); - - if (indio_dev == NULL) - return -ENOMEM; - - st = iio_priv(indio_dev); - - st->reg = regulator_get(&spi->dev, "vcc"); - if (!IS_ERR(st->reg)) { - ret = regulator_enable(st->reg); - if (ret) - goto error_put_reg; - } - - spi_set_drvdata(spi, indio_dev); - - st->spi = spi; - - indio_dev->name = spi_get_device_id(spi)->name; - indio_dev->dev.parent = &spi->dev; - indio_dev->modes = INDIO_DIRECT_MODE; - indio_dev->channels = ad7298_channels; - indio_dev->num_channels = ARRAY_SIZE(ad7298_channels); - indio_dev->info = &ad7298_info; - - /* Setup default message */ - - st->scan_single_xfer[0].tx_buf = &st->tx_buf[0]; - st->scan_single_xfer[0].len = 2; - st->scan_single_xfer[0].cs_change = 1; - st->scan_single_xfer[1].tx_buf = &st->tx_buf[1]; - st->scan_single_xfer[1].len = 2; - st->scan_single_xfer[1].cs_change = 1; - st->scan_single_xfer[2].rx_buf = &st->rx_buf[0]; - st->scan_single_xfer[2].len = 2; - - spi_message_init(&st->scan_single_msg); - spi_message_add_tail(&st->scan_single_xfer[0], &st->scan_single_msg); - spi_message_add_tail(&st->scan_single_xfer[1], &st->scan_single_msg); - spi_message_add_tail(&st->scan_single_xfer[2], &st->scan_single_msg); - - if (pdata && pdata->vref_mv) { - st->int_vref_mv = pdata->vref_mv; - st->ext_ref = AD7298_EXTREF; - } else { - st->int_vref_mv = AD7298_INTREF_mV; - } - - ret = ad7298_register_ring_funcs_and_init(indio_dev); - if (ret) - goto error_disable_reg; - - ret = iio_device_register(indio_dev); - if (ret) - goto error_cleanup_ring; - - return 0; - -error_cleanup_ring: - ad7298_ring_cleanup(indio_dev); -error_disable_reg: - if (!IS_ERR(st->reg)) - regulator_disable(st->reg); -error_put_reg: - if (!IS_ERR(st->reg)) - regulator_put(st->reg); - iio_device_free(indio_dev); - - return ret; -} - -static int __devexit ad7298_remove(struct spi_device *spi) -{ - struct iio_dev *indio_dev = spi_get_drvdata(spi); - struct ad7298_state *st = iio_priv(indio_dev); - - iio_device_unregister(indio_dev); - ad7298_ring_cleanup(indio_dev); - if (!IS_ERR(st->reg)) { - regulator_disable(st->reg); - regulator_put(st->reg); - } - iio_device_free(indio_dev); - - return 0; -} - -static const struct spi_device_id ad7298_id[] = { - {"ad7298", 0}, - {} -}; -MODULE_DEVICE_TABLE(spi, ad7298_id); - -static struct spi_driver ad7298_driver = { - .driver = { - .name = "ad7298", - .owner = THIS_MODULE, - }, - .probe = ad7298_probe, - .remove = __devexit_p(ad7298_remove), - .id_table = ad7298_id, -}; -module_spi_driver(ad7298_driver); - -MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); -MODULE_DESCRIPTION("Analog Devices AD7298 ADC"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/iio/adc/ad7298_ring.c b/drivers/staging/iio/adc/ad7298_ring.c deleted file mode 100644 index c2906a85fedb..000000000000 --- a/drivers/staging/iio/adc/ad7298_ring.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * AD7298 SPI ADC driver - * - * Copyright 2011-2012 Analog Devices Inc. - * - * Licensed under the GPL-2. - */ - -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/spi/spi.h> - -#include <linux/iio/iio.h> -#include <linux/iio/buffer.h> -#include <linux/iio/trigger_consumer.h> -#include <linux/iio/triggered_buffer.h> - -#include "ad7298.h" - -/** - * ad7298_update_scan_mode() setup the spi transfer buffer for the new scan mask - **/ -int ad7298_update_scan_mode(struct iio_dev *indio_dev, - const unsigned long *active_scan_mask) -{ - struct ad7298_state *st = iio_priv(indio_dev); - int i, m; - unsigned short command; - int scan_count; - - /* Now compute overall size */ - scan_count = bitmap_weight(active_scan_mask, indio_dev->masklength); - - command = AD7298_WRITE | st->ext_ref; - - for (i = 0, m = AD7298_CH(0); i < AD7298_MAX_CHAN; i++, m >>= 1) - if (test_bit(i, active_scan_mask)) - command |= m; - - st->tx_buf[0] = cpu_to_be16(command); - - /* build spi ring message */ - st->ring_xfer[0].tx_buf = &st->tx_buf[0]; - st->ring_xfer[0].len = 2; - st->ring_xfer[0].cs_change = 1; - st->ring_xfer[1].tx_buf = &st->tx_buf[1]; - st->ring_xfer[1].len = 2; - st->ring_xfer[1].cs_change = 1; - - spi_message_init(&st->ring_msg); - spi_message_add_tail(&st->ring_xfer[0], &st->ring_msg); - spi_message_add_tail(&st->ring_xfer[1], &st->ring_msg); - - for (i = 0; i < scan_count; i++) { - st->ring_xfer[i + 2].rx_buf = &st->rx_buf[i]; - st->ring_xfer[i + 2].len = 2; - st->ring_xfer[i + 2].cs_change = 1; - spi_message_add_tail(&st->ring_xfer[i + 2], &st->ring_msg); - } - /* make sure last transfer cs_change is not set */ - st->ring_xfer[i + 1].cs_change = 0; - - return 0; -} - -/** - * ad7298_trigger_handler() bh of trigger launched polling to ring buffer - * - * Currently there is no option in this driver to disable the saving of - * timestamps within the ring. - **/ -static irqreturn_t ad7298_trigger_handler(int irq, void *p) -{ - struct iio_poll_func *pf = p; - struct iio_dev *indio_dev = pf->indio_dev; - struct ad7298_state *st = iio_priv(indio_dev); - s64 time_ns = 0; - __u16 buf[16]; - int b_sent, i; - - b_sent = spi_sync(st->spi, &st->ring_msg); - if (b_sent) - goto done; - - if (indio_dev->scan_timestamp) { - time_ns = iio_get_time_ns(); - memcpy((u8 *)buf + indio_dev->scan_bytes - sizeof(s64), - &time_ns, sizeof(time_ns)); - } - - for (i = 0; i < bitmap_weight(indio_dev->active_scan_mask, - indio_dev->masklength); i++) - buf[i] = be16_to_cpu(st->rx_buf[i]); - - iio_push_to_buffer(indio_dev->buffer, (u8 *)buf); - -done: - iio_trigger_notify_done(indio_dev->trig); - - return IRQ_HANDLED; -} - -int ad7298_register_ring_funcs_and_init(struct iio_dev *indio_dev) -{ - return iio_triggered_buffer_setup(indio_dev, NULL, - &ad7298_trigger_handler, NULL); -} - -void ad7298_ring_cleanup(struct iio_dev *indio_dev) -{ - iio_triggered_buffer_cleanup(indio_dev); -} diff --git a/drivers/staging/iio/adc/ad7606_par.c b/drivers/staging/iio/adc/ad7606_par.c index a53faafec070..58cfddea9637 100644 --- a/drivers/staging/iio/adc/ad7606_par.c +++ b/drivers/staging/iio/adc/ad7606_par.c @@ -47,7 +47,7 @@ static const struct ad7606_bus_ops ad7606_par8_bops = { .read_block = ad7606_par8_read_block, }; -static int __devinit ad7606_par_probe(struct platform_device *pdev) +static int ad7606_par_probe(struct platform_device *pdev) { struct resource *res; struct iio_dev *indio_dev; @@ -100,7 +100,7 @@ out1: return ret; } -static int __devexit ad7606_par_remove(struct platform_device *pdev) +static int ad7606_par_remove(struct platform_device *pdev) { struct iio_dev *indio_dev = platform_get_drvdata(pdev); struct resource *res; @@ -164,7 +164,7 @@ MODULE_DEVICE_TABLE(platform, ad7606_driver_ids); static struct platform_driver ad7606_driver = { .probe = ad7606_par_probe, - .remove = __devexit_p(ad7606_par_remove), + .remove = ad7606_par_remove, .id_table = ad7606_driver_ids, .driver = { .name = "ad7606", diff --git a/drivers/staging/iio/adc/ad7606_ring.c b/drivers/staging/iio/adc/ad7606_ring.c index ba04d0ffd4f4..2b25cb07fe41 100644 --- a/drivers/staging/iio/adc/ad7606_ring.c +++ b/drivers/staging/iio/adc/ad7606_ring.c @@ -83,7 +83,7 @@ static void ad7606_poll_bh_to_ring(struct work_struct *work_s) if (indio_dev->scan_timestamp) *((s64 *)(buf + indio_dev->scan_bytes - sizeof(s64))) = time_ns; - iio_push_to_buffer(indio_dev->buffer, buf); + iio_push_to_buffers(indio_dev, buf); done: gpio_set_value(st->pdata->gpio_convst, 0); iio_trigger_notify_done(indio_dev->trig); diff --git a/drivers/staging/iio/adc/ad7606_spi.c b/drivers/staging/iio/adc/ad7606_spi.c index 099d347da52d..6a8ecd73a1a7 100644 --- a/drivers/staging/iio/adc/ad7606_spi.c +++ b/drivers/staging/iio/adc/ad7606_spi.c @@ -39,7 +39,7 @@ static const struct ad7606_bus_ops ad7606_spi_bops = { .read_block = ad7606_spi_read_block, }; -static int __devinit ad7606_spi_probe(struct spi_device *spi) +static int ad7606_spi_probe(struct spi_device *spi) { struct iio_dev *indio_dev; @@ -55,7 +55,7 @@ static int __devinit ad7606_spi_probe(struct spi_device *spi) return 0; } -static int __devexit ad7606_spi_remove(struct spi_device *spi) +static int ad7606_spi_remove(struct spi_device *spi) { struct iio_dev *indio_dev = dev_get_drvdata(&spi->dev); @@ -106,7 +106,7 @@ static struct spi_driver ad7606_driver = { .pm = AD7606_SPI_PM_OPS, }, .probe = ad7606_spi_probe, - .remove = __devexit_p(ad7606_spi_remove), + .remove = ad7606_spi_remove, .id_table = ad7606_id, }; module_spi_driver(ad7606_driver); diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c index 0a1328b8657f..e1f88603d7e0 100644 --- a/drivers/staging/iio/adc/ad7780.c +++ b/drivers/staging/iio/adc/ad7780.c @@ -164,7 +164,7 @@ static const struct iio_info ad7780_info = { .driver_module = THIS_MODULE, }; -static int __devinit ad7780_probe(struct spi_device *spi) +static int ad7780_probe(struct spi_device *spi) { struct ad7780_platform_data *pdata = spi->dev.platform_data; struct ad7780_state *st; @@ -248,7 +248,7 @@ error_put_reg: return ret; } -static int __devexit ad7780_remove(struct spi_device *spi) +static int ad7780_remove(struct spi_device *spi) { struct iio_dev *indio_dev = spi_get_drvdata(spi); struct ad7780_state *st = iio_priv(indio_dev); @@ -283,7 +283,7 @@ static struct spi_driver ad7780_driver = { .owner = THIS_MODULE, }, .probe = ad7780_probe, - .remove = __devexit_p(ad7780_remove), + .remove = ad7780_remove, .id_table = ad7780_id, }; module_spi_driver(ad7780_driver); diff --git a/drivers/staging/iio/adc/ad7793.c b/drivers/staging/iio/adc/ad7793.c deleted file mode 100644 index 691a7be6f5cb..000000000000 --- a/drivers/staging/iio/adc/ad7793.c +++ /dev/null @@ -1,566 +0,0 @@ -/* - * AD7785/AD7792/AD7793/AD7794/AD7795 SPI ADC driver - * - * Copyright 2011-2012 Analog Devices Inc. - * - * Licensed under the GPL-2. - */ - -#include <linux/interrupt.h> -#include <linux/device.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/sysfs.h> -#include <linux/spi/spi.h> -#include <linux/regulator/consumer.h> -#include <linux/err.h> -#include <linux/sched.h> -#include <linux/delay.h> -#include <linux/module.h> - -#include <linux/iio/iio.h> -#include <linux/iio/sysfs.h> -#include <linux/iio/buffer.h> -#include <linux/iio/trigger.h> -#include <linux/iio/trigger_consumer.h> -#include <linux/iio/triggered_buffer.h> -#include <linux/iio/adc/ad_sigma_delta.h> - -#include "ad7793.h" - -/* NOTE: - * The AD7792/AD7793 features a dual use data out ready DOUT/RDY output. - * In order to avoid contentions on the SPI bus, it's therefore necessary - * to use spi bus locking. - * - * The DOUT/RDY output must also be wired to an interrupt capable GPIO. - */ - -struct ad7793_chip_info { - const struct iio_chan_spec *channels; - unsigned int num_channels; -}; - -struct ad7793_state { - const struct ad7793_chip_info *chip_info; - struct regulator *reg; - u16 int_vref_mv; - u16 mode; - u16 conf; - u32 scale_avail[8][2]; - - struct ad_sigma_delta sd; - -}; - -enum ad7793_supported_device_ids { - ID_AD7785, - ID_AD7792, - ID_AD7793, - ID_AD7794, - ID_AD7795, -}; - -static struct ad7793_state *ad_sigma_delta_to_ad7793(struct ad_sigma_delta *sd) -{ - return container_of(sd, struct ad7793_state, sd); -} - -static int ad7793_set_channel(struct ad_sigma_delta *sd, unsigned int channel) -{ - struct ad7793_state *st = ad_sigma_delta_to_ad7793(sd); - - st->conf &= ~AD7793_CONF_CHAN_MASK; - st->conf |= AD7793_CONF_CHAN(channel); - - return ad_sd_write_reg(&st->sd, AD7793_REG_CONF, 2, st->conf); -} - -static int ad7793_set_mode(struct ad_sigma_delta *sd, - enum ad_sigma_delta_mode mode) -{ - struct ad7793_state *st = ad_sigma_delta_to_ad7793(sd); - - st->mode &= ~AD7793_MODE_SEL_MASK; - st->mode |= AD7793_MODE_SEL(mode); - - return ad_sd_write_reg(&st->sd, AD7793_REG_MODE, 2, st->mode); -} - -static const struct ad_sigma_delta_info ad7793_sigma_delta_info = { - .set_channel = ad7793_set_channel, - .set_mode = ad7793_set_mode, - .has_registers = true, - .addr_shift = 3, - .read_mask = BIT(6), -}; - -static const struct ad_sd_calib_data ad7793_calib_arr[6] = { - {AD7793_MODE_CAL_INT_ZERO, AD7793_CH_AIN1P_AIN1M}, - {AD7793_MODE_CAL_INT_FULL, AD7793_CH_AIN1P_AIN1M}, - {AD7793_MODE_CAL_INT_ZERO, AD7793_CH_AIN2P_AIN2M}, - {AD7793_MODE_CAL_INT_FULL, AD7793_CH_AIN2P_AIN2M}, - {AD7793_MODE_CAL_INT_ZERO, AD7793_CH_AIN3P_AIN3M}, - {AD7793_MODE_CAL_INT_FULL, AD7793_CH_AIN3P_AIN3M} -}; - -static int ad7793_calibrate_all(struct ad7793_state *st) -{ - return ad_sd_calibrate_all(&st->sd, ad7793_calib_arr, - ARRAY_SIZE(ad7793_calib_arr)); -} - -static int ad7793_setup(struct iio_dev *indio_dev, - const struct ad7793_platform_data *pdata) -{ - struct ad7793_state *st = iio_priv(indio_dev); - int i, ret = -1; - unsigned long long scale_uv; - u32 id; - - /* reset the serial interface */ - ret = spi_write(st->sd.spi, (u8 *)&ret, sizeof(ret)); - if (ret < 0) - goto out; - msleep(1); /* Wait for at least 500us */ - - /* write/read test for device presence */ - ret = ad_sd_read_reg(&st->sd, AD7793_REG_ID, 1, &id); - if (ret) - goto out; - - id &= AD7793_ID_MASK; - - if (!((id == AD7792_ID) || (id == AD7793_ID) || (id == AD7795_ID))) { - dev_err(&st->sd.spi->dev, "device ID query failed\n"); - goto out; - } - - st->mode = pdata->mode; - st->conf = pdata->conf; - - ret = ad7793_set_mode(&st->sd, AD_SD_MODE_IDLE); - if (ret) - goto out; - - ret = ad7793_set_channel(&st->sd, 0); - if (ret) - goto out; - - ret = ad_sd_write_reg(&st->sd, AD7793_REG_IO, - sizeof(pdata->io), pdata->io); - if (ret) - goto out; - - ret = ad7793_calibrate_all(st); - if (ret) - goto out; - - /* Populate available ADC input ranges */ - for (i = 0; i < ARRAY_SIZE(st->scale_avail); i++) { - scale_uv = ((u64)st->int_vref_mv * 100000000) - >> (st->chip_info->channels[0].scan_type.realbits - - (!!(st->conf & AD7793_CONF_UNIPOLAR) ? 0 : 1)); - scale_uv >>= i; - - st->scale_avail[i][1] = do_div(scale_uv, 100000000) * 10; - st->scale_avail[i][0] = scale_uv; - } - - return 0; -out: - dev_err(&st->sd.spi->dev, "setup failed\n"); - return ret; -} - -static const u16 sample_freq_avail[16] = {0, 470, 242, 123, 62, 50, 39, 33, 19, - 17, 16, 12, 10, 8, 6, 4}; - -static ssize_t ad7793_read_frequency(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct ad7793_state *st = iio_priv(indio_dev); - - return sprintf(buf, "%d\n", - sample_freq_avail[AD7793_MODE_RATE(st->mode)]); -} - -static ssize_t ad7793_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 ad7793_state *st = iio_priv(indio_dev); - long lval; - int i, ret; - - mutex_lock(&indio_dev->mlock); - if (iio_buffer_enabled(indio_dev)) { - mutex_unlock(&indio_dev->mlock); - return -EBUSY; - } - mutex_unlock(&indio_dev->mlock); - - ret = strict_strtol(buf, 10, &lval); - if (ret) - return ret; - - ret = -EINVAL; - - for (i = 0; i < ARRAY_SIZE(sample_freq_avail); i++) - if (lval == sample_freq_avail[i]) { - mutex_lock(&indio_dev->mlock); - st->mode &= ~AD7793_MODE_RATE(-1); - st->mode |= AD7793_MODE_RATE(i); - ad_sd_write_reg(&st->sd, AD7793_REG_MODE, - sizeof(st->mode), st->mode); - mutex_unlock(&indio_dev->mlock); - ret = 0; - } - - return ret ? ret : len; -} - -static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO, - ad7793_read_frequency, - ad7793_write_frequency); - -static IIO_CONST_ATTR_SAMP_FREQ_AVAIL( - "470 242 123 62 50 39 33 19 17 16 12 10 8 6 4"); - -static ssize_t ad7793_show_scale_available(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct ad7793_state *st = iio_priv(indio_dev); - int i, len = 0; - - for (i = 0; i < ARRAY_SIZE(st->scale_avail); i++) - len += sprintf(buf + len, "%d.%09u ", st->scale_avail[i][0], - st->scale_avail[i][1]); - - len += sprintf(buf + len, "\n"); - - return len; -} - -static IIO_DEVICE_ATTR_NAMED(in_m_in_scale_available, - in_voltage-voltage_scale_available, S_IRUGO, - ad7793_show_scale_available, NULL, 0); - -static struct attribute *ad7793_attributes[] = { - &iio_dev_attr_sampling_frequency.dev_attr.attr, - &iio_const_attr_sampling_frequency_available.dev_attr.attr, - &iio_dev_attr_in_m_in_scale_available.dev_attr.attr, - NULL -}; - -static const struct attribute_group ad7793_attribute_group = { - .attrs = ad7793_attributes, -}; - -static int ad7793_read_raw(struct iio_dev *indio_dev, - struct iio_chan_spec const *chan, - int *val, - int *val2, - long m) -{ - struct ad7793_state *st = iio_priv(indio_dev); - int ret; - unsigned long long scale_uv; - bool unipolar = !!(st->conf & AD7793_CONF_UNIPOLAR); - - switch (m) { - case IIO_CHAN_INFO_RAW: - ret = ad_sigma_delta_single_conversion(indio_dev, chan, val); - if (ret < 0) - return ret; - - return IIO_VAL_INT; - - case IIO_CHAN_INFO_SCALE: - switch (chan->type) { - case IIO_VOLTAGE: - if (chan->differential) { - *val = st-> - scale_avail[(st->conf >> 8) & 0x7][0]; - *val2 = st-> - scale_avail[(st->conf >> 8) & 0x7][1]; - return IIO_VAL_INT_PLUS_NANO; - } else { - /* 1170mV / 2^23 * 6 */ - scale_uv = (1170ULL * 100000000ULL * 6ULL); - } - break; - case IIO_TEMP: - /* 1170mV / 0.81 mV/C / 2^23 */ - scale_uv = 1444444444444ULL; - break; - default: - return -EINVAL; - } - - scale_uv >>= (chan->scan_type.realbits - (unipolar ? 0 : 1)); - *val = 0; - *val2 = scale_uv; - return IIO_VAL_INT_PLUS_NANO; - case IIO_CHAN_INFO_OFFSET: - if (!unipolar) - *val = -(1 << (chan->scan_type.realbits - 1)); - else - *val = 0; - - /* Kelvin to Celsius */ - if (chan->type == IIO_TEMP) { - unsigned long long offset; - unsigned int shift; - - shift = chan->scan_type.realbits - (unipolar ? 0 : 1); - offset = 273ULL << shift; - do_div(offset, 1444); - *val -= offset; - } - return IIO_VAL_INT; - } - return -EINVAL; -} - -static int ad7793_write_raw(struct iio_dev *indio_dev, - struct iio_chan_spec const *chan, - int val, - int val2, - long mask) -{ - struct ad7793_state *st = iio_priv(indio_dev); - int ret, i; - unsigned int tmp; - - mutex_lock(&indio_dev->mlock); - if (iio_buffer_enabled(indio_dev)) { - mutex_unlock(&indio_dev->mlock); - return -EBUSY; - } - - switch (mask) { - case IIO_CHAN_INFO_SCALE: - ret = -EINVAL; - for (i = 0; i < ARRAY_SIZE(st->scale_avail); i++) - if (val2 == st->scale_avail[i][1]) { - ret = 0; - tmp = st->conf; - st->conf &= ~AD7793_CONF_GAIN(-1); - st->conf |= AD7793_CONF_GAIN(i); - - if (tmp == st->conf) - break; - - ad_sd_write_reg(&st->sd, AD7793_REG_CONF, - sizeof(st->conf), st->conf); - ad7793_calibrate_all(st); - break; - } - break; - default: - ret = -EINVAL; - } - - mutex_unlock(&indio_dev->mlock); - return ret; -} - -static int ad7793_write_raw_get_fmt(struct iio_dev *indio_dev, - struct iio_chan_spec const *chan, - long mask) -{ - return IIO_VAL_INT_PLUS_NANO; -} - -static const struct iio_info ad7793_info = { - .read_raw = &ad7793_read_raw, - .write_raw = &ad7793_write_raw, - .write_raw_get_fmt = &ad7793_write_raw_get_fmt, - .attrs = &ad7793_attribute_group, - .validate_trigger = ad_sd_validate_trigger, - .driver_module = THIS_MODULE, -}; - -#define DECLARE_AD7793_CHANNELS(_name, _b, _sb, _s) \ -const struct iio_chan_spec _name##_channels[] = { \ - AD_SD_DIFF_CHANNEL(0, 0, 0, AD7793_CH_AIN1P_AIN1M, (_b), (_sb), (_s)), \ - AD_SD_DIFF_CHANNEL(1, 1, 1, AD7793_CH_AIN2P_AIN2M, (_b), (_sb), (_s)), \ - AD_SD_DIFF_CHANNEL(2, 2, 2, AD7793_CH_AIN3P_AIN3M, (_b), (_sb), (_s)), \ - AD_SD_SHORTED_CHANNEL(3, 0, AD7793_CH_AIN1M_AIN1M, (_b), (_sb), (_s)), \ - AD_SD_TEMP_CHANNEL(4, AD7793_CH_TEMP, (_b), (_sb), (_s)), \ - AD_SD_SUPPLY_CHANNEL(5, 3, AD7793_CH_AVDD_MONITOR, (_b), (_sb), (_s)), \ - IIO_CHAN_SOFT_TIMESTAMP(6), \ -} - -#define DECLARE_AD7795_CHANNELS(_name, _b, _sb) \ -const struct iio_chan_spec _name##_channels[] = { \ - AD_SD_DIFF_CHANNEL(0, 0, 0, AD7793_CH_AIN1P_AIN1M, (_b), (_sb), 0), \ - AD_SD_DIFF_CHANNEL(1, 1, 1, AD7793_CH_AIN2P_AIN2M, (_b), (_sb), 0), \ - AD_SD_DIFF_CHANNEL(2, 2, 2, AD7793_CH_AIN3P_AIN3M, (_b), (_sb), 0), \ - AD_SD_DIFF_CHANNEL(3, 3, 3, AD7795_CH_AIN4P_AIN4M, (_b), (_sb), 0), \ - AD_SD_DIFF_CHANNEL(4, 4, 4, AD7795_CH_AIN5P_AIN5M, (_b), (_sb), 0), \ - AD_SD_DIFF_CHANNEL(5, 5, 5, AD7795_CH_AIN6P_AIN6M, (_b), (_sb), 0), \ - AD_SD_SHORTED_CHANNEL(6, 0, AD7795_CH_AIN1M_AIN1M, (_b), (_sb), 0), \ - AD_SD_TEMP_CHANNEL(7, AD7793_CH_TEMP, (_b), (_sb), 0), \ - AD_SD_SUPPLY_CHANNEL(8, 3, AD7793_CH_AVDD_MONITOR, (_b), (_sb), 0), \ - IIO_CHAN_SOFT_TIMESTAMP(9), \ -} - -static DECLARE_AD7793_CHANNELS(ad7785, 20, 32, 4); -static DECLARE_AD7793_CHANNELS(ad7792, 16, 32, 0); -static DECLARE_AD7793_CHANNELS(ad7793, 24, 32, 0); -static DECLARE_AD7795_CHANNELS(ad7794, 16, 32); -static DECLARE_AD7795_CHANNELS(ad7795, 24, 32); - -static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { - [ID_AD7785] = { - .channels = ad7785_channels, - .num_channels = ARRAY_SIZE(ad7785_channels), - }, - [ID_AD7792] = { - .channels = ad7792_channels, - .num_channels = ARRAY_SIZE(ad7792_channels), - }, - [ID_AD7793] = { - .channels = ad7793_channels, - .num_channels = ARRAY_SIZE(ad7793_channels), - }, - [ID_AD7794] = { - .channels = ad7794_channels, - .num_channels = ARRAY_SIZE(ad7794_channels), - }, - [ID_AD7795] = { - .channels = ad7795_channels, - .num_channels = ARRAY_SIZE(ad7795_channels), - }, -}; - -static int __devinit ad7793_probe(struct spi_device *spi) -{ - const struct ad7793_platform_data *pdata = spi->dev.platform_data; - struct ad7793_state *st; - struct iio_dev *indio_dev; - int ret, voltage_uv = 0; - - if (!pdata) { - dev_err(&spi->dev, "no platform data?\n"); - return -ENODEV; - } - - if (!spi->irq) { - dev_err(&spi->dev, "no IRQ?\n"); - return -ENODEV; - } - - indio_dev = iio_device_alloc(sizeof(*st)); - if (indio_dev == NULL) - return -ENOMEM; - - st = iio_priv(indio_dev); - - ad_sd_init(&st->sd, indio_dev, spi, &ad7793_sigma_delta_info); - - st->reg = regulator_get(&spi->dev, "vcc"); - if (!IS_ERR(st->reg)) { - ret = regulator_enable(st->reg); - if (ret) - goto error_put_reg; - - voltage_uv = regulator_get_voltage(st->reg); - } - - st->chip_info = - &ad7793_chip_info_tbl[spi_get_device_id(spi)->driver_data]; - - if (pdata && pdata->vref_mv) - st->int_vref_mv = pdata->vref_mv; - else if (voltage_uv) - st->int_vref_mv = voltage_uv / 1000; - else - st->int_vref_mv = 1170; /* Build-in ref */ - - spi_set_drvdata(spi, indio_dev); - - indio_dev->dev.parent = &spi->dev; - indio_dev->name = spi_get_device_id(spi)->name; - indio_dev->modes = INDIO_DIRECT_MODE; - indio_dev->channels = st->chip_info->channels; - indio_dev->num_channels = st->chip_info->num_channels; - indio_dev->info = &ad7793_info; - - ret = ad_sd_setup_buffer_and_trigger(indio_dev); - if (ret) - goto error_disable_reg; - - ret = ad7793_setup(indio_dev, pdata); - if (ret) - goto error_remove_trigger; - - ret = iio_device_register(indio_dev); - if (ret) - goto error_remove_trigger; - - return 0; - -error_remove_trigger: - ad_sd_cleanup_buffer_and_trigger(indio_dev); -error_disable_reg: - if (!IS_ERR(st->reg)) - regulator_disable(st->reg); -error_put_reg: - if (!IS_ERR(st->reg)) - regulator_put(st->reg); - - iio_device_free(indio_dev); - - return ret; -} - -static int __devexit ad7793_remove(struct spi_device *spi) -{ - struct iio_dev *indio_dev = spi_get_drvdata(spi); - struct ad7793_state *st = iio_priv(indio_dev); - - iio_device_unregister(indio_dev); - ad_sd_cleanup_buffer_and_trigger(indio_dev); - - if (!IS_ERR(st->reg)) { - regulator_disable(st->reg); - regulator_put(st->reg); - } - - iio_device_free(indio_dev); - - return 0; -} - -static const struct spi_device_id ad7793_id[] = { - {"ad7785", ID_AD7785}, - {"ad7792", ID_AD7792}, - {"ad7793", ID_AD7793}, - {"ad7794", ID_AD7794}, - {"ad7795", ID_AD7795}, - {} -}; -MODULE_DEVICE_TABLE(spi, ad7793_id); - -static struct spi_driver ad7793_driver = { - .driver = { - .name = "ad7793", - .owner = THIS_MODULE, - }, - .probe = ad7793_probe, - .remove = __devexit_p(ad7793_remove), - .id_table = ad7793_id, -}; -module_spi_driver(ad7793_driver); - -MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); -MODULE_DESCRIPTION("Analog Devices AD7793 and simialr ADCs"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/iio/adc/ad7793.h b/drivers/staging/iio/adc/ad7793.h deleted file mode 100644 index 8fdd450a2cd9..000000000000 --- a/drivers/staging/iio/adc/ad7793.h +++ /dev/null @@ -1,115 +0,0 @@ -/* - * AD7792/AD7793 SPI ADC driver - * - * Copyright 2011 Analog Devices Inc. - * - * Licensed under the GPL-2. - */ -#ifndef IIO_ADC_AD7793_H_ -#define IIO_ADC_AD7793_H_ - -/* - * TODO: struct ad7793_platform_data needs to go into include/linux/iio - */ - -/* Registers */ -#define AD7793_REG_COMM 0 /* Communications Register (WO, 8-bit) */ -#define AD7793_REG_STAT 0 /* Status Register (RO, 8-bit) */ -#define AD7793_REG_MODE 1 /* Mode Register (RW, 16-bit */ -#define AD7793_REG_CONF 2 /* Configuration Register (RW, 16-bit) */ -#define AD7793_REG_DATA 3 /* Data Register (RO, 16-/24-bit) */ -#define AD7793_REG_ID 4 /* ID Register (RO, 8-bit) */ -#define AD7793_REG_IO 5 /* IO Register (RO, 8-bit) */ -#define AD7793_REG_OFFSET 6 /* Offset Register (RW, 16-bit - * (AD7792)/24-bit (AD7793)) */ -#define AD7793_REG_FULLSALE 7 /* Full-Scale Register - * (RW, 16-bit (AD7792)/24-bit (AD7793)) */ - -/* Communications Register Bit Designations (AD7793_REG_COMM) */ -#define AD7793_COMM_WEN (1 << 7) /* Write Enable */ -#define AD7793_COMM_WRITE (0 << 6) /* Write Operation */ -#define AD7793_COMM_READ (1 << 6) /* Read Operation */ -#define AD7793_COMM_ADDR(x) (((x) & 0x7) << 3) /* Register Address */ -#define AD7793_COMM_CREAD (1 << 2) /* Continuous Read of Data Register */ - -/* Status Register Bit Designations (AD7793_REG_STAT) */ -#define AD7793_STAT_RDY (1 << 7) /* Ready */ -#define AD7793_STAT_ERR (1 << 6) /* Error (Overrange, Underrange) */ -#define AD7793_STAT_CH3 (1 << 2) /* Channel 3 */ -#define AD7793_STAT_CH2 (1 << 1) /* Channel 2 */ -#define AD7793_STAT_CH1 (1 << 0) /* Channel 1 */ - -/* Mode Register Bit Designations (AD7793_REG_MODE) */ -#define AD7793_MODE_SEL(x) (((x) & 0x7) << 13) /* Operation Mode Select */ -#define AD7793_MODE_SEL_MASK (0x7 << 13) /* Operation Mode Select mask */ -#define AD7793_MODE_CLKSRC(x) (((x) & 0x3) << 6) /* ADC Clock Source Select */ -#define AD7793_MODE_RATE(x) ((x) & 0xF) /* Filter Update Rate Select */ - -#define AD7793_MODE_CONT 0 /* Continuous Conversion Mode */ -#define AD7793_MODE_SINGLE 1 /* Single Conversion Mode */ -#define AD7793_MODE_IDLE 2 /* Idle Mode */ -#define AD7793_MODE_PWRDN 3 /* Power-Down Mode */ -#define AD7793_MODE_CAL_INT_ZERO 4 /* Internal Zero-Scale Calibration */ -#define AD7793_MODE_CAL_INT_FULL 5 /* Internal Full-Scale Calibration */ -#define AD7793_MODE_CAL_SYS_ZERO 6 /* System Zero-Scale Calibration */ -#define AD7793_MODE_CAL_SYS_FULL 7 /* System Full-Scale Calibration */ - -#define AD7793_CLK_INT 0 /* Internal 64 kHz Clock not - * available at the CLK pin */ -#define AD7793_CLK_INT_CO 1 /* Internal 64 kHz Clock available - * at the CLK pin */ -#define AD7793_CLK_EXT 2 /* External 64 kHz Clock */ -#define AD7793_CLK_EXT_DIV2 3 /* External Clock divided by 2 */ - -/* Configuration Register Bit Designations (AD7793_REG_CONF) */ -#define AD7793_CONF_VBIAS(x) (((x) & 0x3) << 14) /* Bias Voltage - * Generator Enable */ -#define AD7793_CONF_BO_EN (1 << 13) /* Burnout Current Enable */ -#define AD7793_CONF_UNIPOLAR (1 << 12) /* Unipolar/Bipolar Enable */ -#define AD7793_CONF_BOOST (1 << 11) /* Boost Enable */ -#define AD7793_CONF_GAIN(x) (((x) & 0x7) << 8) /* Gain Select */ -#define AD7793_CONF_REFSEL (1 << 7) /* INT/EXT Reference Select */ -#define AD7793_CONF_BUF (1 << 4) /* Buffered Mode Enable */ -#define AD7793_CONF_CHAN(x) ((x) & 0xf) /* Channel select */ -#define AD7793_CONF_CHAN_MASK 0xf /* Channel select mask */ - -#define AD7793_CH_AIN1P_AIN1M 0 /* AIN1(+) - AIN1(-) */ -#define AD7793_CH_AIN2P_AIN2M 1 /* AIN2(+) - AIN2(-) */ -#define AD7793_CH_AIN3P_AIN3M 2 /* AIN3(+) - AIN3(-) */ -#define AD7793_CH_AIN1M_AIN1M 3 /* AIN1(-) - AIN1(-) */ -#define AD7793_CH_TEMP 6 /* Temp Sensor */ -#define AD7793_CH_AVDD_MONITOR 7 /* AVDD Monitor */ - -#define AD7795_CH_AIN4P_AIN4M 4 /* AIN4(+) - AIN4(-) */ -#define AD7795_CH_AIN5P_AIN5M 5 /* AIN5(+) - AIN5(-) */ -#define AD7795_CH_AIN6P_AIN6M 6 /* AIN6(+) - AIN6(-) */ -#define AD7795_CH_AIN1M_AIN1M 8 /* AIN1(-) - AIN1(-) */ - -/* ID Register Bit Designations (AD7793_REG_ID) */ -#define AD7792_ID 0xA -#define AD7793_ID 0xB -#define AD7795_ID 0xF -#define AD7793_ID_MASK 0xF - -/* IO (Excitation Current Sources) Register Bit Designations (AD7793_REG_IO) */ -#define AD7793_IO_IEXC1_IOUT1_IEXC2_IOUT2 0 /* IEXC1 connect to IOUT1, - * IEXC2 connect to IOUT2 */ -#define AD7793_IO_IEXC1_IOUT2_IEXC2_IOUT1 1 /* IEXC1 connect to IOUT2, - * IEXC2 connect to IOUT1 */ -#define AD7793_IO_IEXC1_IEXC2_IOUT1 2 /* Both current sources - * IEXC1,2 connect to IOUT1 */ -#define AD7793_IO_IEXC1_IEXC2_IOUT2 3 /* Both current sources - * IEXC1,2 connect to IOUT2 */ - -#define AD7793_IO_IXCEN_10uA (1 << 0) /* Excitation Current 10uA */ -#define AD7793_IO_IXCEN_210uA (2 << 0) /* Excitation Current 210uA */ -#define AD7793_IO_IXCEN_1mA (3 << 0) /* Excitation Current 1mA */ - -struct ad7793_platform_data { - u16 vref_mv; - u16 mode; - u16 conf; - u8 io; -}; - -#endif /* IIO_ADC_AD7793_H_ */ diff --git a/drivers/staging/iio/adc/ad7816.c b/drivers/staging/iio/adc/ad7816.c index c5fb9476a2d1..928477146c2f 100644 --- a/drivers/staging/iio/adc/ad7816.c +++ b/drivers/staging/iio/adc/ad7816.c @@ -341,7 +341,7 @@ static const struct iio_info ad7816_info = { * device probe and remove */ -static int __devinit ad7816_probe(struct spi_device *spi_dev) +static int ad7816_probe(struct spi_device *spi_dev) { struct ad7816_chip_info *chip; struct iio_dev *indio_dev; @@ -431,7 +431,7 @@ error_ret: return ret; } -static int __devexit ad7816_remove(struct spi_device *spi_dev) +static int ad7816_remove(struct spi_device *spi_dev) { struct iio_dev *indio_dev = dev_get_drvdata(&spi_dev->dev); struct ad7816_chip_info *chip = iio_priv(indio_dev); @@ -463,7 +463,7 @@ static struct spi_driver ad7816_driver = { .owner = THIS_MODULE, }, .probe = ad7816_probe, - .remove = __devexit_p(ad7816_remove), + .remove = ad7816_remove, .id_table = ad7816_id, }; module_spi_driver(ad7816_driver); diff --git a/drivers/staging/iio/adc/ad7887.h b/drivers/staging/iio/adc/ad7887.h deleted file mode 100644 index 2e09e54fc9c5..000000000000 --- a/drivers/staging/iio/adc/ad7887.h +++ /dev/null @@ -1,99 +0,0 @@ -/* - * AD7887 SPI ADC driver - * - * Copyright 2010 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ -#ifndef IIO_ADC_AD7887_H_ -#define IIO_ADC_AD7887_H_ - -#define AD7887_REF_DIS (1 << 5) /* on-chip reference disable */ -#define AD7887_DUAL (1 << 4) /* dual-channel mode */ -#define AD7887_CH_AIN1 (1 << 3) /* convert on channel 1, DUAL=1 */ -#define AD7887_CH_AIN0 (0 << 3) /* convert on channel 0, DUAL=0,1 */ -#define AD7887_PM_MODE1 (0) /* CS based shutdown */ -#define AD7887_PM_MODE2 (1) /* full on */ -#define AD7887_PM_MODE3 (2) /* auto shutdown after conversion */ -#define AD7887_PM_MODE4 (3) /* standby mode */ - -enum ad7887_channels { - AD7887_CH0, - AD7887_CH0_CH1, - AD7887_CH1, -}; - -#define RES_MASK(bits) ((1 << (bits)) - 1) /* TODO: move this into a common header */ - -/* - * TODO: struct ad7887_platform_data needs to go into include/linux/iio - */ - -struct ad7887_platform_data { - /* External Vref voltage applied */ - u16 vref_mv; - /* - * AD7887: - * In single channel mode en_dual = flase, AIN1/Vref pins assumes its - * Vref function. In dual channel mode en_dual = true, AIN1 becomes the - * second input channel, and Vref is internally connected to Vdd. - */ - bool en_dual; - /* - * AD7887: - * use_onchip_ref = true, the Vref is internally connected to the 2.500V - * Voltage reference. If use_onchip_ref = false, the reference voltage - * is supplied by AIN1/Vref - */ - bool use_onchip_ref; -}; - -/** - * struct ad7887_chip_info - chip specifc information - * @int_vref_mv: the internal reference voltage - * @channel: channel specification - */ - -struct ad7887_chip_info { - u16 int_vref_mv; - struct iio_chan_spec channel[3]; -}; - -struct ad7887_state { - struct spi_device *spi; - const struct ad7887_chip_info *chip_info; - struct regulator *reg; - u16 int_vref_mv; - struct spi_transfer xfer[4]; - struct spi_message msg[3]; - struct spi_message *ring_msg; - unsigned char tx_cmd_buf[8]; - - /* - * DMA (thus cache coherency maintenance) requires the - * transfer buffers to live in their own cache lines. - */ - - unsigned char data[4] ____cacheline_aligned; -}; - -enum ad7887_supported_device_ids { - ID_AD7887 -}; - -#ifdef CONFIG_IIO_BUFFER -int ad7887_register_ring_funcs_and_init(struct iio_dev *indio_dev); -void ad7887_ring_cleanup(struct iio_dev *indio_dev); -#else /* CONFIG_IIO_BUFFER */ - -static inline int -ad7887_register_ring_funcs_and_init(struct iio_dev *indio_dev) -{ - return 0; -} - -static inline void ad7887_ring_cleanup(struct iio_dev *indio_dev) -{ -} -#endif /* CONFIG_IIO_BUFFER */ -#endif /* IIO_ADC_AD7887_H_ */ diff --git a/drivers/staging/iio/adc/ad7887_core.c b/drivers/staging/iio/adc/ad7887_core.c deleted file mode 100644 index 551790584a12..000000000000 --- a/drivers/staging/iio/adc/ad7887_core.c +++ /dev/null @@ -1,257 +0,0 @@ -/* - * AD7887 SPI ADC driver - * - * Copyright 2010-2011 Analog Devices Inc. - * - * Licensed under the GPL-2. - */ - -#include <linux/device.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/sysfs.h> -#include <linux/spi/spi.h> -#include <linux/regulator/consumer.h> -#include <linux/err.h> -#include <linux/module.h> - -#include <linux/iio/iio.h> -#include <linux/iio/sysfs.h> -#include <linux/iio/buffer.h> - - -#include "ad7887.h" - -static int ad7887_scan_direct(struct ad7887_state *st, unsigned ch) -{ - int ret = spi_sync(st->spi, &st->msg[ch]); - if (ret) - return ret; - - return (st->data[(ch * 2)] << 8) | st->data[(ch * 2) + 1]; -} - -static int ad7887_read_raw(struct iio_dev *indio_dev, - struct iio_chan_spec const *chan, - int *val, - int *val2, - long m) -{ - int ret; - struct ad7887_state *st = iio_priv(indio_dev); - unsigned int scale_uv; - - switch (m) { - case IIO_CHAN_INFO_RAW: - mutex_lock(&indio_dev->mlock); - if (iio_buffer_enabled(indio_dev)) - ret = -EBUSY; - else - ret = ad7887_scan_direct(st, chan->address); - mutex_unlock(&indio_dev->mlock); - - if (ret < 0) - return ret; - *val = (ret >> st->chip_info->channel[0].scan_type.shift) & - RES_MASK(st->chip_info->channel[0].scan_type.realbits); - return IIO_VAL_INT; - case IIO_CHAN_INFO_SCALE: - scale_uv = (st->int_vref_mv * 1000) - >> st->chip_info->channel[0].scan_type.realbits; - *val = scale_uv/1000; - *val2 = (scale_uv%1000)*1000; - return IIO_VAL_INT_PLUS_MICRO; - } - return -EINVAL; -} - - -static const struct ad7887_chip_info ad7887_chip_info_tbl[] = { - /* - * More devices added in future - */ - [ID_AD7887] = { - .channel[0] = { - .type = IIO_VOLTAGE, - .indexed = 1, - .channel = 1, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, - .address = 1, - .scan_index = 1, - .scan_type = IIO_ST('u', 12, 16, 0), - }, - .channel[1] = { - .type = IIO_VOLTAGE, - .indexed = 1, - .channel = 0, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, - .address = 0, - .scan_index = 0, - .scan_type = IIO_ST('u', 12, 16, 0), - }, - .channel[2] = IIO_CHAN_SOFT_TIMESTAMP(2), - .int_vref_mv = 2500, - }, -}; - -static const struct iio_info ad7887_info = { - .read_raw = &ad7887_read_raw, - .driver_module = THIS_MODULE, -}; - -static int __devinit ad7887_probe(struct spi_device *spi) -{ - struct ad7887_platform_data *pdata = spi->dev.platform_data; - struct ad7887_state *st; - int ret, voltage_uv = 0; - struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st)); - - if (indio_dev == NULL) - return -ENOMEM; - - st = iio_priv(indio_dev); - - st->reg = regulator_get(&spi->dev, "vcc"); - if (!IS_ERR(st->reg)) { - ret = regulator_enable(st->reg); - if (ret) - goto error_put_reg; - - voltage_uv = regulator_get_voltage(st->reg); - } - - st->chip_info = - &ad7887_chip_info_tbl[spi_get_device_id(spi)->driver_data]; - - spi_set_drvdata(spi, indio_dev); - st->spi = spi; - - /* Estabilish that the iio_dev is a child of the spi device */ - indio_dev->dev.parent = &spi->dev; - indio_dev->name = spi_get_device_id(spi)->name; - indio_dev->info = &ad7887_info; - indio_dev->modes = INDIO_DIRECT_MODE; - - /* Setup default message */ - - st->tx_cmd_buf[0] = AD7887_CH_AIN0 | AD7887_PM_MODE4 | - ((pdata && pdata->use_onchip_ref) ? - 0 : AD7887_REF_DIS); - - st->xfer[0].rx_buf = &st->data[0]; - st->xfer[0].tx_buf = &st->tx_cmd_buf[0]; - st->xfer[0].len = 2; - - spi_message_init(&st->msg[AD7887_CH0]); - spi_message_add_tail(&st->xfer[0], &st->msg[AD7887_CH0]); - - if (pdata && pdata->en_dual) { - st->tx_cmd_buf[0] |= AD7887_DUAL | AD7887_REF_DIS; - - st->tx_cmd_buf[2] = AD7887_CH_AIN1 | AD7887_DUAL | - AD7887_REF_DIS | AD7887_PM_MODE4; - st->tx_cmd_buf[4] = AD7887_CH_AIN0 | AD7887_DUAL | - AD7887_REF_DIS | AD7887_PM_MODE4; - st->tx_cmd_buf[6] = AD7887_CH_AIN1 | AD7887_DUAL | - AD7887_REF_DIS | AD7887_PM_MODE4; - - st->xfer[1].rx_buf = &st->data[0]; - st->xfer[1].tx_buf = &st->tx_cmd_buf[2]; - st->xfer[1].len = 2; - - st->xfer[2].rx_buf = &st->data[2]; - st->xfer[2].tx_buf = &st->tx_cmd_buf[4]; - st->xfer[2].len = 2; - - spi_message_init(&st->msg[AD7887_CH0_CH1]); - spi_message_add_tail(&st->xfer[1], &st->msg[AD7887_CH0_CH1]); - spi_message_add_tail(&st->xfer[2], &st->msg[AD7887_CH0_CH1]); - - st->xfer[3].rx_buf = &st->data[0]; - st->xfer[3].tx_buf = &st->tx_cmd_buf[6]; - st->xfer[3].len = 2; - - spi_message_init(&st->msg[AD7887_CH1]); - spi_message_add_tail(&st->xfer[3], &st->msg[AD7887_CH1]); - - if (pdata && pdata->vref_mv) - st->int_vref_mv = pdata->vref_mv; - else if (voltage_uv) - st->int_vref_mv = voltage_uv / 1000; - else - dev_warn(&spi->dev, "reference voltage unspecified\n"); - - indio_dev->channels = st->chip_info->channel; - indio_dev->num_channels = 3; - } else { - if (pdata && pdata->vref_mv) - st->int_vref_mv = pdata->vref_mv; - else if (pdata && pdata->use_onchip_ref) - st->int_vref_mv = st->chip_info->int_vref_mv; - else - dev_warn(&spi->dev, "reference voltage unspecified\n"); - - indio_dev->channels = &st->chip_info->channel[1]; - indio_dev->num_channels = 2; - } - - ret = ad7887_register_ring_funcs_and_init(indio_dev); - if (ret) - goto error_disable_reg; - - ret = iio_device_register(indio_dev); - if (ret) - goto error_unregister_ring; - - return 0; -error_unregister_ring: - ad7887_ring_cleanup(indio_dev); -error_disable_reg: - if (!IS_ERR(st->reg)) - regulator_disable(st->reg); -error_put_reg: - if (!IS_ERR(st->reg)) - regulator_put(st->reg); - iio_device_free(indio_dev); - - return ret; -} - -static int __devexit ad7887_remove(struct spi_device *spi) -{ - struct iio_dev *indio_dev = spi_get_drvdata(spi); - struct ad7887_state *st = iio_priv(indio_dev); - - iio_device_unregister(indio_dev); - ad7887_ring_cleanup(indio_dev); - if (!IS_ERR(st->reg)) { - regulator_disable(st->reg); - regulator_put(st->reg); - } - iio_device_free(indio_dev); - - return 0; -} - -static const struct spi_device_id ad7887_id[] = { - {"ad7887", ID_AD7887}, - {} -}; -MODULE_DEVICE_TABLE(spi, ad7887_id); - -static struct spi_driver ad7887_driver = { - .driver = { - .name = "ad7887", - .owner = THIS_MODULE, - }, - .probe = ad7887_probe, - .remove = __devexit_p(ad7887_remove), - .id_table = ad7887_id, -}; -module_spi_driver(ad7887_driver); - -MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); -MODULE_DESCRIPTION("Analog Devices AD7887 ADC"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/iio/adc/ad7887_ring.c b/drivers/staging/iio/adc/ad7887_ring.c deleted file mode 100644 index b39923bbeedc..000000000000 --- a/drivers/staging/iio/adc/ad7887_ring.c +++ /dev/null @@ -1,122 +0,0 @@ -/* - * Copyright 2010-2012 Analog Devices Inc. - * Copyright (C) 2008 Jonathan Cameron - * - * Licensed under the GPL-2. - * - * ad7887_ring.c - */ - -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/spi/spi.h> - -#include <linux/iio/iio.h> -#include <linux/iio/buffer.h> -#include <linux/iio/trigger_consumer.h> -#include <linux/iio/triggered_buffer.h> - -#include "ad7887.h" - -/** - * ad7887_ring_preenable() setup the parameters of the ring before enabling - * - * The complex nature of the setting of the nuber of bytes per datum is due - * to this driver currently ensuring that the timestamp is stored at an 8 - * byte boundary. - **/ -static int ad7887_ring_preenable(struct iio_dev *indio_dev) -{ - struct ad7887_state *st = iio_priv(indio_dev); - int ret; - - ret = iio_sw_buffer_preenable(indio_dev); - if (ret < 0) - return ret; - - /* We know this is a single long so can 'cheat' */ - switch (*indio_dev->active_scan_mask) { - case (1 << 0): - st->ring_msg = &st->msg[AD7887_CH0]; - break; - case (1 << 1): - st->ring_msg = &st->msg[AD7887_CH1]; - /* Dummy read: push CH1 setting down to hardware */ - spi_sync(st->spi, st->ring_msg); - break; - case ((1 << 1) | (1 << 0)): - st->ring_msg = &st->msg[AD7887_CH0_CH1]; - break; - } - - return 0; -} - -static int ad7887_ring_postdisable(struct iio_dev *indio_dev) -{ - struct ad7887_state *st = iio_priv(indio_dev); - - /* dummy read: restore default CH0 settin */ - return spi_sync(st->spi, &st->msg[AD7887_CH0]); -} - -/** - * ad7887_trigger_handler() bh of trigger launched polling to ring buffer - * - * Currently there is no option in this driver to disable the saving of - * timestamps within the ring. - **/ -static irqreturn_t ad7887_trigger_handler(int irq, void *p) -{ - struct iio_poll_func *pf = p; - struct iio_dev *indio_dev = pf->indio_dev; - struct ad7887_state *st = iio_priv(indio_dev); - s64 time_ns; - __u8 *buf; - int b_sent; - - unsigned int bytes = bitmap_weight(indio_dev->active_scan_mask, - indio_dev->masklength) * - st->chip_info->channel[0].scan_type.storagebits / 8; - - buf = kzalloc(indio_dev->scan_bytes, GFP_KERNEL); - if (buf == NULL) - goto done; - - b_sent = spi_sync(st->spi, st->ring_msg); - if (b_sent) - goto done; - - time_ns = iio_get_time_ns(); - - memcpy(buf, st->data, bytes); - if (indio_dev->scan_timestamp) - memcpy(buf + indio_dev->scan_bytes - sizeof(s64), - &time_ns, sizeof(time_ns)); - - iio_push_to_buffer(indio_dev->buffer, buf); -done: - kfree(buf); - iio_trigger_notify_done(indio_dev->trig); - - return IRQ_HANDLED; -} - -static const struct iio_buffer_setup_ops ad7887_ring_setup_ops = { - .preenable = &ad7887_ring_preenable, - .postenable = &iio_triggered_buffer_postenable, - .predisable = &iio_triggered_buffer_predisable, - .postdisable = &ad7887_ring_postdisable, -}; - -int ad7887_register_ring_funcs_and_init(struct iio_dev *indio_dev) -{ - return iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time, - &ad7887_trigger_handler, &ad7887_ring_setup_ops); -} - -void ad7887_ring_cleanup(struct iio_dev *indio_dev) -{ - iio_triggered_buffer_cleanup(indio_dev); -} diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c index 990050700afc..077eedbd0a0c 100644 --- a/drivers/staging/iio/adc/ad799x_core.c +++ b/drivers/staging/iio/adc/ad799x_core.c @@ -854,7 +854,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { }, }; -static int __devinit ad799x_probe(struct i2c_client *client, +static int ad799x_probe(struct i2c_client *client, const struct i2c_device_id *id) { int ret; @@ -932,7 +932,7 @@ error_put_reg: return ret; } -static __devexit int ad799x_remove(struct i2c_client *client) +static int ad799x_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct ad799x_state *st = iio_priv(indio_dev); @@ -970,7 +970,7 @@ static struct i2c_driver ad799x_driver = { .name = "ad799x", }, .probe = ad799x_probe, - .remove = __devexit_p(ad799x_remove), + .remove = ad799x_remove, .id_table = ad799x_id, }; module_i2c_driver(ad799x_driver); diff --git a/drivers/staging/iio/adc/ad799x_ring.c b/drivers/staging/iio/adc/ad799x_ring.c index 86026d9b20bc..2c5f38475a8e 100644 --- a/drivers/staging/iio/adc/ad799x_ring.c +++ b/drivers/staging/iio/adc/ad799x_ring.c @@ -77,7 +77,7 @@ static irqreturn_t ad799x_trigger_handler(int irq, void *p) memcpy(rxbuf + indio_dev->scan_bytes - sizeof(s64), &time_ns, sizeof(time_ns)); - iio_push_to_buffer(indio_dev->buffer, rxbuf); + iio_push_to_buffers(indio_dev, rxbuf); done: kfree(rxbuf); out: diff --git a/drivers/staging/iio/adc/adt7310.c b/drivers/staging/iio/adc/adt7310.c deleted file mode 100644 index 72460b6dc2f4..000000000000 --- a/drivers/staging/iio/adc/adt7310.c +++ /dev/null @@ -1,881 +0,0 @@ -/* - * ADT7310 digital temperature sensor driver supporting ADT7310 - * - * Copyright 2010 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#include <linux/interrupt.h> -#include <linux/device.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/sysfs.h> -#include <linux/list.h> -#include <linux/spi/spi.h> -#include <linux/module.h> - -#include <linux/iio/iio.h> -#include <linux/iio/sysfs.h> -#include <linux/iio/events.h> -/* - * ADT7310 registers definition - */ - -#define ADT7310_STATUS 0 -#define ADT7310_CONFIG 1 -#define ADT7310_TEMPERATURE 2 -#define ADT7310_ID 3 -#define ADT7310_T_CRIT 4 -#define ADT7310_T_HYST 5 -#define ADT7310_T_ALARM_HIGH 6 -#define ADT7310_T_ALARM_LOW 7 - -/* - * ADT7310 status - */ -#define ADT7310_STAT_T_LOW 0x10 -#define ADT7310_STAT_T_HIGH 0x20 -#define ADT7310_STAT_T_CRIT 0x40 -#define ADT7310_STAT_NOT_RDY 0x80 - -/* - * ADT7310 config - */ -#define ADT7310_FAULT_QUEUE_MASK 0x3 -#define ADT7310_CT_POLARITY 0x4 -#define ADT7310_INT_POLARITY 0x8 -#define ADT7310_EVENT_MODE 0x10 -#define ADT7310_MODE_MASK 0x60 -#define ADT7310_ONESHOT 0x20 -#define ADT7310_SPS 0x40 -#define ADT7310_PD 0x60 -#define ADT7310_RESOLUTION 0x80 - -/* - * ADT7310 masks - */ -#define ADT7310_T16_VALUE_SIGN 0x8000 -#define ADT7310_T16_VALUE_FLOAT_OFFSET 7 -#define ADT7310_T16_VALUE_FLOAT_MASK 0x7F -#define ADT7310_T13_VALUE_SIGN 0x1000 -#define ADT7310_T13_VALUE_OFFSET 3 -#define ADT7310_T13_VALUE_FLOAT_OFFSET 4 -#define ADT7310_T13_VALUE_FLOAT_MASK 0xF -#define ADT7310_T_HYST_MASK 0xF -#define ADT7310_DEVICE_ID_MASK 0x7 -#define ADT7310_MANUFACTORY_ID_MASK 0xF8 -#define ADT7310_MANUFACTORY_ID_OFFSET 3 - - -#define ADT7310_CMD_REG_MASK 0x28 -#define ADT7310_CMD_REG_OFFSET 3 -#define ADT7310_CMD_READ 0x40 -#define ADT7310_CMD_CON_READ 0x4 - -#define ADT7310_IRQS 2 - -/* - * struct adt7310_chip_info - chip specifc information - */ - -struct adt7310_chip_info { - struct spi_device *spi_dev; - u8 config; -}; - -/* - * adt7310 register access by SPI - */ - -static int adt7310_spi_read_word(struct adt7310_chip_info *chip, u8 reg, u16 *data) -{ - struct spi_device *spi_dev = chip->spi_dev; - u8 command = (reg << ADT7310_CMD_REG_OFFSET) & ADT7310_CMD_REG_MASK; - int ret = 0; - - command |= ADT7310_CMD_READ; - ret = spi_write(spi_dev, &command, sizeof(command)); - if (ret < 0) { - dev_err(&spi_dev->dev, "SPI write command error\n"); - return ret; - } - - ret = spi_read(spi_dev, (u8 *)data, sizeof(*data)); - if (ret < 0) { - dev_err(&spi_dev->dev, "SPI read word error\n"); - return ret; - } - - *data = be16_to_cpu(*data); - - return 0; -} - -static int adt7310_spi_write_word(struct adt7310_chip_info *chip, u8 reg, u16 data) -{ - struct spi_device *spi_dev = chip->spi_dev; - u8 buf[3]; - int ret = 0; - - buf[0] = (reg << ADT7310_CMD_REG_OFFSET) & ADT7310_CMD_REG_MASK; - buf[1] = (u8)(data >> 8); - buf[2] = (u8)(data & 0xFF); - - ret = spi_write(spi_dev, buf, 3); - if (ret < 0) { - dev_err(&spi_dev->dev, "SPI write word error\n"); - return ret; - } - - return ret; -} - -static int adt7310_spi_read_byte(struct adt7310_chip_info *chip, u8 reg, u8 *data) -{ - struct spi_device *spi_dev = chip->spi_dev; - u8 command = (reg << ADT7310_CMD_REG_OFFSET) & ADT7310_CMD_REG_MASK; - int ret = 0; - - command |= ADT7310_CMD_READ; - ret = spi_write(spi_dev, &command, sizeof(command)); - if (ret < 0) { - dev_err(&spi_dev->dev, "SPI write command error\n"); - return ret; - } - - ret = spi_read(spi_dev, data, sizeof(*data)); - if (ret < 0) { - dev_err(&spi_dev->dev, "SPI read byte error\n"); - return ret; - } - - return 0; -} - -static int adt7310_spi_write_byte(struct adt7310_chip_info *chip, u8 reg, u8 data) -{ - struct spi_device *spi_dev = chip->spi_dev; - u8 buf[2]; - int ret = 0; - - buf[0] = (reg << ADT7310_CMD_REG_OFFSET) & ADT7310_CMD_REG_MASK; - buf[1] = data; - - ret = spi_write(spi_dev, buf, 2); - if (ret < 0) { - dev_err(&spi_dev->dev, "SPI write byte error\n"); - return ret; - } - - return ret; -} - -static ssize_t adt7310_show_mode(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *dev_info = dev_to_iio_dev(dev); - struct adt7310_chip_info *chip = iio_priv(dev_info); - u8 config; - - config = chip->config & ADT7310_MODE_MASK; - - switch (config) { - case ADT7310_PD: - return sprintf(buf, "power-down\n"); - case ADT7310_ONESHOT: - return sprintf(buf, "one-shot\n"); - case ADT7310_SPS: - return sprintf(buf, "sps\n"); - default: - return sprintf(buf, "full\n"); - } -} - -static ssize_t adt7310_store_mode(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev *dev_info = dev_to_iio_dev(dev); - struct adt7310_chip_info *chip = iio_priv(dev_info); - u16 config; - int ret; - - ret = adt7310_spi_read_byte(chip, ADT7310_CONFIG, &chip->config); - if (ret) - return -EIO; - - config = chip->config & (~ADT7310_MODE_MASK); - if (strcmp(buf, "power-down")) - config |= ADT7310_PD; - else if (strcmp(buf, "one-shot")) - config |= ADT7310_ONESHOT; - else if (strcmp(buf, "sps")) - config |= ADT7310_SPS; - - ret = adt7310_spi_write_byte(chip, ADT7310_CONFIG, config); - if (ret) - return -EIO; - - chip->config = config; - - return len; -} - -static IIO_DEVICE_ATTR(mode, S_IRUGO | S_IWUSR, - adt7310_show_mode, - adt7310_store_mode, - 0); - -static ssize_t adt7310_show_available_modes(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return sprintf(buf, "full\none-shot\nsps\npower-down\n"); -} - -static IIO_DEVICE_ATTR(available_modes, S_IRUGO, adt7310_show_available_modes, NULL, 0); - -static ssize_t adt7310_show_resolution(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *dev_info = dev_to_iio_dev(dev); - struct adt7310_chip_info *chip = iio_priv(dev_info); - int ret; - int bits; - - ret = adt7310_spi_read_byte(chip, ADT7310_CONFIG, &chip->config); - if (ret) - return -EIO; - - if (chip->config & ADT7310_RESOLUTION) - bits = 16; - else - bits = 13; - - return sprintf(buf, "%d bits\n", bits); -} - -static ssize_t adt7310_store_resolution(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev *dev_info = dev_to_iio_dev(dev); - struct adt7310_chip_info *chip = iio_priv(dev_info); - unsigned long data; - u16 config; - int ret; - - ret = strict_strtoul(buf, 10, &data); - if (ret) - return -EINVAL; - - ret = adt7310_spi_read_byte(chip, ADT7310_CONFIG, &chip->config); - if (ret) - return -EIO; - - config = chip->config & (~ADT7310_RESOLUTION); - if (data) - config |= ADT7310_RESOLUTION; - - ret = adt7310_spi_write_byte(chip, ADT7310_CONFIG, config); - if (ret) - return -EIO; - - chip->config = config; - - return len; -} - -static IIO_DEVICE_ATTR(resolution, S_IRUGO | S_IWUSR, - adt7310_show_resolution, - adt7310_store_resolution, - 0); - -static ssize_t adt7310_show_id(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *dev_info = dev_to_iio_dev(dev); - struct adt7310_chip_info *chip = iio_priv(dev_info); - u8 id; - int ret; - - ret = adt7310_spi_read_byte(chip, ADT7310_ID, &id); - if (ret) - return -EIO; - - return sprintf(buf, "device id: 0x%x\nmanufactory id: 0x%x\n", - id & ADT7310_DEVICE_ID_MASK, - (id & ADT7310_MANUFACTORY_ID_MASK) >> ADT7310_MANUFACTORY_ID_OFFSET); -} - -static IIO_DEVICE_ATTR(id, S_IRUGO | S_IWUSR, - adt7310_show_id, - NULL, - 0); - -static ssize_t adt7310_convert_temperature(struct adt7310_chip_info *chip, - u16 data, char *buf) -{ - char sign = ' '; - - if (chip->config & ADT7310_RESOLUTION) { - if (data & ADT7310_T16_VALUE_SIGN) { - /* convert supplement to positive value */ - data = (u16)((ADT7310_T16_VALUE_SIGN << 1) - (u32)data); - sign = '-'; - } - return sprintf(buf, "%c%d.%.7d\n", sign, - (data >> ADT7310_T16_VALUE_FLOAT_OFFSET), - (data & ADT7310_T16_VALUE_FLOAT_MASK) * 78125); - } else { - if (data & ADT7310_T13_VALUE_SIGN) { - /* convert supplement to positive value */ - data >>= ADT7310_T13_VALUE_OFFSET; - data = (ADT7310_T13_VALUE_SIGN << 1) - data; - sign = '-'; - } - return sprintf(buf, "%c%d.%.4d\n", sign, - (data >> ADT7310_T13_VALUE_FLOAT_OFFSET), - (data & ADT7310_T13_VALUE_FLOAT_MASK) * 625); - } -} - -static ssize_t adt7310_show_value(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *dev_info = dev_to_iio_dev(dev); - struct adt7310_chip_info *chip = iio_priv(dev_info); - u8 status; - u16 data; - int ret, i = 0; - - do { - ret = adt7310_spi_read_byte(chip, ADT7310_STATUS, &status); - if (ret) - return -EIO; - i++; - if (i == 10000) - return -EIO; - } while (status & ADT7310_STAT_NOT_RDY); - - ret = adt7310_spi_read_word(chip, ADT7310_TEMPERATURE, &data); - if (ret) - return -EIO; - - return adt7310_convert_temperature(chip, data, buf); -} - -static IIO_DEVICE_ATTR(value, S_IRUGO, adt7310_show_value, NULL, 0); - -static struct attribute *adt7310_attributes[] = { - &iio_dev_attr_available_modes.dev_attr.attr, - &iio_dev_attr_mode.dev_attr.attr, - &iio_dev_attr_resolution.dev_attr.attr, - &iio_dev_attr_id.dev_attr.attr, - &iio_dev_attr_value.dev_attr.attr, - NULL, -}; - -static const struct attribute_group adt7310_attribute_group = { - .attrs = adt7310_attributes, -}; - -static irqreturn_t adt7310_event_handler(int irq, void *private) -{ - struct iio_dev *indio_dev = private; - struct adt7310_chip_info *chip = iio_priv(indio_dev); - s64 timestamp = iio_get_time_ns(); - u8 status; - int ret; - - ret = adt7310_spi_read_byte(chip, ADT7310_STATUS, &status); - if (ret) - goto done; - - if (status & ADT7310_STAT_T_HIGH) - iio_push_event(indio_dev, - IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0, - IIO_EV_TYPE_THRESH, - IIO_EV_DIR_RISING), - timestamp); - if (status & ADT7310_STAT_T_LOW) - iio_push_event(indio_dev, - IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0, - IIO_EV_TYPE_THRESH, - IIO_EV_DIR_FALLING), - timestamp); - if (status & ADT7310_STAT_T_CRIT) - iio_push_event(indio_dev, - IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0, - IIO_EV_TYPE_THRESH, - IIO_EV_DIR_RISING), - timestamp); - -done: - return IRQ_HANDLED; -} - -static ssize_t adt7310_show_event_mode(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *dev_info = dev_to_iio_dev(dev); - struct adt7310_chip_info *chip = iio_priv(dev_info); - int ret; - - ret = adt7310_spi_read_byte(chip, ADT7310_CONFIG, &chip->config); - if (ret) - return -EIO; - - if (chip->config & ADT7310_EVENT_MODE) - return sprintf(buf, "interrupt\n"); - else - return sprintf(buf, "comparator\n"); -} - -static ssize_t adt7310_set_event_mode(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev *dev_info = dev_to_iio_dev(dev); - struct adt7310_chip_info *chip = iio_priv(dev_info); - u16 config; - int ret; - - ret = adt7310_spi_read_byte(chip, ADT7310_CONFIG, &chip->config); - if (ret) - return -EIO; - - config = chip->config &= ~ADT7310_EVENT_MODE; - if (strcmp(buf, "comparator") != 0) - config |= ADT7310_EVENT_MODE; - - ret = adt7310_spi_write_byte(chip, ADT7310_CONFIG, config); - if (ret) - return -EIO; - - chip->config = config; - - return len; -} - -static ssize_t adt7310_show_available_event_modes(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return sprintf(buf, "comparator\ninterrupt\n"); -} - -static ssize_t adt7310_show_fault_queue(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *dev_info = dev_to_iio_dev(dev); - struct adt7310_chip_info *chip = iio_priv(dev_info); - int ret; - - ret = adt7310_spi_read_byte(chip, ADT7310_CONFIG, &chip->config); - if (ret) - return -EIO; - - return sprintf(buf, "%d\n", chip->config & ADT7310_FAULT_QUEUE_MASK); -} - -static ssize_t adt7310_set_fault_queue(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev *dev_info = dev_to_iio_dev(dev); - struct adt7310_chip_info *chip = iio_priv(dev_info); - unsigned long data; - int ret; - u8 config; - - ret = strict_strtoul(buf, 10, &data); - if (ret || data > 3) - return -EINVAL; - - ret = adt7310_spi_read_byte(chip, ADT7310_CONFIG, &chip->config); - if (ret) - return -EIO; - - config = chip->config & ~ADT7310_FAULT_QUEUE_MASK; - config |= data; - ret = adt7310_spi_write_byte(chip, ADT7310_CONFIG, config); - if (ret) - return -EIO; - - chip->config = config; - - return len; -} - -static inline ssize_t adt7310_show_t_bound(struct device *dev, - struct device_attribute *attr, - u8 bound_reg, - char *buf) -{ - struct iio_dev *dev_info = dev_to_iio_dev(dev); - struct adt7310_chip_info *chip = iio_priv(dev_info); - u16 data; - int ret; - - ret = adt7310_spi_read_word(chip, bound_reg, &data); - if (ret) - return -EIO; - - return adt7310_convert_temperature(chip, data, buf); -} - -static inline ssize_t adt7310_set_t_bound(struct device *dev, - struct device_attribute *attr, - u8 bound_reg, - const char *buf, - size_t len) -{ - struct iio_dev *dev_info = dev_to_iio_dev(dev); - struct adt7310_chip_info *chip = iio_priv(dev_info); - long tmp1, tmp2; - u16 data; - char *pos; - int ret; - - pos = strchr(buf, '.'); - - ret = strict_strtol(buf, 10, &tmp1); - - if (ret || tmp1 > 127 || tmp1 < -128) - return -EINVAL; - - if (pos) { - len = strlen(pos); - - if (chip->config & ADT7310_RESOLUTION) { - if (len > ADT7310_T16_VALUE_FLOAT_OFFSET) - len = ADT7310_T16_VALUE_FLOAT_OFFSET; - pos[len] = 0; - ret = strict_strtol(pos, 10, &tmp2); - - if (!ret) - tmp2 = (tmp2 / 78125) * 78125; - } else { - if (len > ADT7310_T13_VALUE_FLOAT_OFFSET) - len = ADT7310_T13_VALUE_FLOAT_OFFSET; - pos[len] = 0; - ret = strict_strtol(pos, 10, &tmp2); - - if (!ret) - tmp2 = (tmp2 / 625) * 625; - } - } - - if (tmp1 < 0) - data = (u16)(-tmp1); - else - data = (u16)tmp1; - - if (chip->config & ADT7310_RESOLUTION) { - data = (data << ADT7310_T16_VALUE_FLOAT_OFFSET) | - (tmp2 & ADT7310_T16_VALUE_FLOAT_MASK); - - if (tmp1 < 0) - /* convert positive value to supplyment */ - data = (u16)((ADT7310_T16_VALUE_SIGN << 1) - (u32)data); - } else { - data = (data << ADT7310_T13_VALUE_FLOAT_OFFSET) | - (tmp2 & ADT7310_T13_VALUE_FLOAT_MASK); - - if (tmp1 < 0) - /* convert positive value to supplyment */ - data = (ADT7310_T13_VALUE_SIGN << 1) - data; - data <<= ADT7310_T13_VALUE_OFFSET; - } - - ret = adt7310_spi_write_word(chip, bound_reg, data); - if (ret) - return -EIO; - - return len; -} - -static ssize_t adt7310_show_t_alarm_high(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return adt7310_show_t_bound(dev, attr, - ADT7310_T_ALARM_HIGH, buf); -} - -static inline ssize_t adt7310_set_t_alarm_high(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - return adt7310_set_t_bound(dev, attr, - ADT7310_T_ALARM_HIGH, buf, len); -} - -static ssize_t adt7310_show_t_alarm_low(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return adt7310_show_t_bound(dev, attr, - ADT7310_T_ALARM_LOW, buf); -} - -static inline ssize_t adt7310_set_t_alarm_low(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - return adt7310_set_t_bound(dev, attr, - ADT7310_T_ALARM_LOW, buf, len); -} - -static ssize_t adt7310_show_t_crit(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return adt7310_show_t_bound(dev, attr, - ADT7310_T_CRIT, buf); -} - -static inline ssize_t adt7310_set_t_crit(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - return adt7310_set_t_bound(dev, attr, - ADT7310_T_CRIT, buf, len); -} - -static ssize_t adt7310_show_t_hyst(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *dev_info = dev_to_iio_dev(dev); - struct adt7310_chip_info *chip = iio_priv(dev_info); - int ret; - u8 t_hyst; - - ret = adt7310_spi_read_byte(chip, ADT7310_T_HYST, &t_hyst); - if (ret) - return -EIO; - - return sprintf(buf, "%d\n", t_hyst & ADT7310_T_HYST_MASK); -} - -static inline ssize_t adt7310_set_t_hyst(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev *dev_info = dev_to_iio_dev(dev); - struct adt7310_chip_info *chip = iio_priv(dev_info); - int ret; - unsigned long data; - u8 t_hyst; - - ret = strict_strtol(buf, 10, &data); - - if (ret || data > ADT7310_T_HYST_MASK) - return -EINVAL; - - t_hyst = (u8)data; - - ret = adt7310_spi_write_byte(chip, ADT7310_T_HYST, t_hyst); - if (ret) - return -EIO; - - return len; -} - -static IIO_DEVICE_ATTR(event_mode, - S_IRUGO | S_IWUSR, - adt7310_show_event_mode, adt7310_set_event_mode, 0); -static IIO_DEVICE_ATTR(available_event_modes, - S_IRUGO | S_IWUSR, - adt7310_show_available_event_modes, NULL, 0); -static IIO_DEVICE_ATTR(fault_queue, - S_IRUGO | S_IWUSR, - adt7310_show_fault_queue, adt7310_set_fault_queue, 0); -static IIO_DEVICE_ATTR(t_alarm_high, - S_IRUGO | S_IWUSR, - adt7310_show_t_alarm_high, adt7310_set_t_alarm_high, 0); -static IIO_DEVICE_ATTR(t_alarm_low, - S_IRUGO | S_IWUSR, - adt7310_show_t_alarm_low, adt7310_set_t_alarm_low, 0); -static IIO_DEVICE_ATTR(t_crit, - S_IRUGO | S_IWUSR, - adt7310_show_t_crit, adt7310_set_t_crit, 0); -static IIO_DEVICE_ATTR(t_hyst, - S_IRUGO | S_IWUSR, - adt7310_show_t_hyst, adt7310_set_t_hyst, 0); - -static struct attribute *adt7310_event_int_attributes[] = { - &iio_dev_attr_event_mode.dev_attr.attr, - &iio_dev_attr_available_event_modes.dev_attr.attr, - &iio_dev_attr_fault_queue.dev_attr.attr, - &iio_dev_attr_t_alarm_high.dev_attr.attr, - &iio_dev_attr_t_alarm_low.dev_attr.attr, - &iio_dev_attr_t_crit.dev_attr.attr, - &iio_dev_attr_t_hyst.dev_attr.attr, - NULL, -}; - -static struct attribute_group adt7310_event_attribute_group = { - .attrs = adt7310_event_int_attributes, - .name = "events", -}; - -static const struct iio_info adt7310_info = { - .attrs = &adt7310_attribute_group, - .event_attrs = &adt7310_event_attribute_group, - .driver_module = THIS_MODULE, -}; - -/* - * device probe and remove - */ - -static int __devinit adt7310_probe(struct spi_device *spi_dev) -{ - struct adt7310_chip_info *chip; - struct iio_dev *indio_dev; - int ret = 0; - unsigned long *adt7310_platform_data = spi_dev->dev.platform_data; - unsigned long irq_flags; - - indio_dev = iio_device_alloc(sizeof(*chip)); - if (indio_dev == NULL) { - ret = -ENOMEM; - goto error_ret; - } - chip = iio_priv(indio_dev); - /* this is only used for device removal purposes */ - dev_set_drvdata(&spi_dev->dev, indio_dev); - - chip->spi_dev = spi_dev; - - indio_dev->dev.parent = &spi_dev->dev; - indio_dev->name = spi_get_device_id(spi_dev)->name; - indio_dev->info = &adt7310_info; - indio_dev->modes = INDIO_DIRECT_MODE; - - /* CT critcal temperature event. line 0 */ - if (spi_dev->irq) { - if (adt7310_platform_data[2]) - irq_flags = adt7310_platform_data[2]; - else - irq_flags = IRQF_TRIGGER_LOW; - ret = request_threaded_irq(spi_dev->irq, - NULL, - &adt7310_event_handler, - irq_flags | IRQF_ONESHOT, - indio_dev->name, - indio_dev); - if (ret) - goto error_free_dev; - } - - /* INT bound temperature alarm event. line 1 */ - if (adt7310_platform_data[0]) { - ret = request_threaded_irq(adt7310_platform_data[0], - NULL, - &adt7310_event_handler, - adt7310_platform_data[1] | - IRQF_ONESHOT, - indio_dev->name, - indio_dev); - if (ret) - goto error_unreg_ct_irq; - } - - if (spi_dev->irq && adt7310_platform_data[0]) { - ret = adt7310_spi_read_byte(chip, ADT7310_CONFIG, &chip->config); - if (ret) { - ret = -EIO; - goto error_unreg_int_irq; - } - - /* set irq polarity low level */ - chip->config &= ~ADT7310_CT_POLARITY; - - if (adt7310_platform_data[1] & IRQF_TRIGGER_HIGH) - chip->config |= ADT7310_INT_POLARITY; - else - chip->config &= ~ADT7310_INT_POLARITY; - - ret = adt7310_spi_write_byte(chip, ADT7310_CONFIG, chip->config); - if (ret) { - ret = -EIO; - goto error_unreg_int_irq; - } - } - - ret = iio_device_register(indio_dev); - if (ret) - goto error_unreg_int_irq; - - dev_info(&spi_dev->dev, "%s temperature sensor registered.\n", - indio_dev->name); - - return 0; - -error_unreg_int_irq: - free_irq(adt7310_platform_data[0], indio_dev); -error_unreg_ct_irq: - free_irq(spi_dev->irq, indio_dev); -error_free_dev: - iio_device_free(indio_dev); -error_ret: - return ret; -} - -static int __devexit adt7310_remove(struct spi_device *spi_dev) -{ - struct iio_dev *indio_dev = dev_get_drvdata(&spi_dev->dev); - unsigned long *adt7310_platform_data = spi_dev->dev.platform_data; - - iio_device_unregister(indio_dev); - dev_set_drvdata(&spi_dev->dev, NULL); - if (adt7310_platform_data[0]) - free_irq(adt7310_platform_data[0], indio_dev); - if (spi_dev->irq) - free_irq(spi_dev->irq, indio_dev); - iio_device_free(indio_dev); - - return 0; -} - -static const struct spi_device_id adt7310_id[] = { - { "adt7310", 0 }, - {} -}; - -MODULE_DEVICE_TABLE(spi, adt7310_id); - -static struct spi_driver adt7310_driver = { - .driver = { - .name = "adt7310", - .owner = THIS_MODULE, - }, - .probe = adt7310_probe, - .remove = __devexit_p(adt7310_remove), - .id_table = adt7310_id, -}; -module_spi_driver(adt7310_driver); - -MODULE_AUTHOR("Sonic Zhang <sonic.zhang@analog.com>"); -MODULE_DESCRIPTION("Analog Devices ADT7310 digital" - " temperature sensor driver"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/iio/adc/adt7410.c b/drivers/staging/iio/adc/adt7410.c index 4157596ea3b0..35455e160945 100644 --- a/drivers/staging/iio/adc/adt7410.c +++ b/drivers/staging/iio/adc/adt7410.c @@ -1,5 +1,5 @@ /* - * ADT7410 digital temperature sensor driver supporting ADT7410 + * ADT7410 digital temperature sensor driver supporting ADT7310/ADT7410 * * Copyright 2010 Analog Devices Inc. * @@ -13,6 +13,7 @@ #include <linux/sysfs.h> #include <linux/list.h> #include <linux/i2c.h> +#include <linux/spi/spi.h> #include <linux/module.h> #include <linux/iio/iio.h> @@ -34,6 +35,19 @@ #define ADT7410_RESET 0x2F /* + * ADT7310 registers definition + */ + +#define ADT7310_STATUS 0 +#define ADT7310_CONFIG 1 +#define ADT7310_TEMPERATURE 2 +#define ADT7310_ID 3 +#define ADT7310_T_CRIT 4 +#define ADT7310_T_HYST 5 +#define ADT7310_T_ALARM_HIGH 6 +#define ADT7310_T_ALARM_LOW 7 + +/* * ADT7410 status */ #define ADT7410_STAT_T_LOW 0x10 @@ -69,75 +83,52 @@ #define ADT7410_MANUFACTORY_ID_MASK 0xF0 #define ADT7410_MANUFACTORY_ID_OFFSET 4 + +#define ADT7310_CMD_REG_MASK 0x28 +#define ADT7310_CMD_REG_OFFSET 3 +#define ADT7310_CMD_READ 0x40 +#define ADT7310_CMD_CON_READ 0x4 + #define ADT7410_IRQS 2 /* * struct adt7410_chip_info - chip specifc information */ +struct adt7410_chip_info; + +struct adt7410_ops { + int (*read_word)(struct adt7410_chip_info *, u8 reg, u16 *data); + int (*write_word)(struct adt7410_chip_info *, u8 reg, u16 data); + int (*read_byte)(struct adt7410_chip_info *, u8 reg, u8 *data); + int (*write_byte)(struct adt7410_chip_info *, u8 reg, u8 data); +}; + struct adt7410_chip_info { - struct i2c_client *client; + struct device *dev; u8 config; -}; -/* - * adt7410 register access by I2C - */ + const struct adt7410_ops *ops; +}; -static int adt7410_i2c_read_word(struct adt7410_chip_info *chip, u8 reg, u16 *data) +static int adt7410_read_word(struct adt7410_chip_info *chip, u8 reg, u16 *data) { - struct i2c_client *client = chip->client; - int ret = 0; - - ret = i2c_smbus_read_word_data(client, reg); - if (ret < 0) { - dev_err(&client->dev, "I2C read error\n"); - return ret; - } - - *data = swab16((u16)ret); - - return 0; + return chip->ops->read_word(chip, reg, data); } -static int adt7410_i2c_write_word(struct adt7410_chip_info *chip, u8 reg, u16 data) +static int adt7410_write_word(struct adt7410_chip_info *chip, u8 reg, u16 data) { - struct i2c_client *client = chip->client; - int ret = 0; - - ret = i2c_smbus_write_word_data(client, reg, swab16(data)); - if (ret < 0) - dev_err(&client->dev, "I2C write error\n"); - - return ret; + return chip->ops->write_word(chip, reg, data); } -static int adt7410_i2c_read_byte(struct adt7410_chip_info *chip, u8 reg, u8 *data) +static int adt7410_read_byte(struct adt7410_chip_info *chip, u8 reg, u8 *data) { - struct i2c_client *client = chip->client; - int ret = 0; - - ret = i2c_smbus_read_byte_data(client, reg); - if (ret < 0) { - dev_err(&client->dev, "I2C read error\n"); - return ret; - } - - *data = (u8)ret; - - return 0; + return chip->ops->read_byte(chip, reg, data); } -static int adt7410_i2c_write_byte(struct adt7410_chip_info *chip, u8 reg, u8 data) +static int adt7410_write_byte(struct adt7410_chip_info *chip, u8 reg, u8 data) { - struct i2c_client *client = chip->client; - int ret = 0; - - ret = i2c_smbus_write_byte_data(client, reg, data); - if (ret < 0) - dev_err(&client->dev, "I2C write error\n"); - - return ret; + return chip->ops->write_byte(chip, reg, data); } static ssize_t adt7410_show_mode(struct device *dev, @@ -172,7 +163,7 @@ static ssize_t adt7410_store_mode(struct device *dev, u16 config; int ret; - ret = adt7410_i2c_read_byte(chip, ADT7410_CONFIG, &chip->config); + ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config); if (ret) return -EIO; @@ -184,13 +175,13 @@ static ssize_t adt7410_store_mode(struct device *dev, else if (strcmp(buf, "sps")) config |= ADT7410_SPS; - ret = adt7410_i2c_write_byte(chip, ADT7410_CONFIG, config); + ret = adt7410_write_byte(chip, ADT7410_CONFIG, config); if (ret) return -EIO; chip->config = config; - return ret; + return len; } static IIO_DEVICE_ATTR(mode, S_IRUGO | S_IWUSR, @@ -216,7 +207,7 @@ static ssize_t adt7410_show_resolution(struct device *dev, int ret; int bits; - ret = adt7410_i2c_read_byte(chip, ADT7410_CONFIG, &chip->config); + ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config); if (ret) return -EIO; @@ -243,7 +234,7 @@ static ssize_t adt7410_store_resolution(struct device *dev, if (ret) return -EINVAL; - ret = adt7410_i2c_read_byte(chip, ADT7410_CONFIG, &chip->config); + ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config); if (ret) return -EIO; @@ -251,7 +242,7 @@ static ssize_t adt7410_store_resolution(struct device *dev, if (data) config |= ADT7410_RESOLUTION; - ret = adt7410_i2c_write_byte(chip, ADT7410_CONFIG, config); + ret = adt7410_write_byte(chip, ADT7410_CONFIG, config); if (ret) return -EIO; @@ -274,7 +265,7 @@ static ssize_t adt7410_show_id(struct device *dev, u8 id; int ret; - ret = adt7410_i2c_read_byte(chip, ADT7410_ID, &id); + ret = adt7410_read_byte(chip, ADT7410_ID, &id); if (ret) return -EIO; @@ -317,7 +308,7 @@ static ssize_t adt7410_show_value(struct device *dev, int ret, i = 0; do { - ret = adt7410_i2c_read_byte(chip, ADT7410_STATUS, &status); + ret = adt7410_read_byte(chip, ADT7410_STATUS, &status); if (ret) return -EIO; i++; @@ -325,7 +316,7 @@ static ssize_t adt7410_show_value(struct device *dev, return -EIO; } while (status & ADT7410_STAT_NOT_RDY); - ret = adt7410_i2c_read_word(chip, ADT7410_TEMPERATURE, &data); + ret = adt7410_read_word(chip, ADT7410_TEMPERATURE, &data); if (ret) return -EIO; @@ -354,7 +345,7 @@ static irqreturn_t adt7410_event_handler(int irq, void *private) s64 timestamp = iio_get_time_ns(); u8 status; - if (adt7410_i2c_read_byte(chip, ADT7410_STATUS, &status)) + if (adt7410_read_byte(chip, ADT7410_STATUS, &status)) return IRQ_HANDLED; if (status & ADT7410_STAT_T_HIGH) @@ -387,7 +378,7 @@ static ssize_t adt7410_show_event_mode(struct device *dev, struct adt7410_chip_info *chip = iio_priv(dev_info); int ret; - ret = adt7410_i2c_read_byte(chip, ADT7410_CONFIG, &chip->config); + ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config); if (ret) return -EIO; @@ -407,7 +398,7 @@ static ssize_t adt7410_set_event_mode(struct device *dev, u16 config; int ret; - ret = adt7410_i2c_read_byte(chip, ADT7410_CONFIG, &chip->config); + ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config); if (ret) return -EIO; @@ -415,7 +406,7 @@ static ssize_t adt7410_set_event_mode(struct device *dev, if (strcmp(buf, "comparator") != 0) config |= ADT7410_EVENT_MODE; - ret = adt7410_i2c_write_byte(chip, ADT7410_CONFIG, config); + ret = adt7410_write_byte(chip, ADT7410_CONFIG, config); if (ret) return -EIO; @@ -439,7 +430,7 @@ static ssize_t adt7410_show_fault_queue(struct device *dev, struct adt7410_chip_info *chip = iio_priv(dev_info); int ret; - ret = adt7410_i2c_read_byte(chip, ADT7410_CONFIG, &chip->config); + ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config); if (ret) return -EIO; @@ -461,13 +452,13 @@ static ssize_t adt7410_set_fault_queue(struct device *dev, if (ret || data > 3) return -EINVAL; - ret = adt7410_i2c_read_byte(chip, ADT7410_CONFIG, &chip->config); + ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config); if (ret) return -EIO; config = chip->config & ~ADT7410_FAULT_QUEUE_MASK; config |= data; - ret = adt7410_i2c_write_byte(chip, ADT7410_CONFIG, config); + ret = adt7410_write_byte(chip, ADT7410_CONFIG, config); if (ret) return -EIO; @@ -486,7 +477,7 @@ static inline ssize_t adt7410_show_t_bound(struct device *dev, u16 data; int ret; - ret = adt7410_i2c_read_word(chip, bound_reg, &data); + ret = adt7410_read_word(chip, bound_reg, &data); if (ret) return -EIO; @@ -557,7 +548,7 @@ static inline ssize_t adt7410_set_t_bound(struct device *dev, data <<= ADT7410_T13_VALUE_OFFSET; } - ret = adt7410_i2c_write_word(chip, bound_reg, data); + ret = adt7410_write_word(chip, bound_reg, data); if (ret) return -EIO; @@ -624,7 +615,7 @@ static ssize_t adt7410_show_t_hyst(struct device *dev, int ret; u8 t_hyst; - ret = adt7410_i2c_read_byte(chip, ADT7410_T_HYST, &t_hyst); + ret = adt7410_read_byte(chip, ADT7410_T_HYST, &t_hyst); if (ret) return -EIO; @@ -649,7 +640,7 @@ static inline ssize_t adt7410_set_t_hyst(struct device *dev, t_hyst = (u8)data; - ret = adt7410_i2c_write_byte(chip, ADT7410_T_HYST, t_hyst); + ret = adt7410_write_byte(chip, ADT7410_T_HYST, t_hyst); if (ret) return -EIO; @@ -704,14 +695,14 @@ static const struct iio_info adt7410_info = { * device probe and remove */ -static int __devinit adt7410_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int adt7410_probe(struct device *dev, int irq, + const char *name, const struct adt7410_ops *ops) { + unsigned long *adt7410_platform_data = dev->platform_data; + unsigned long local_pdata[] = {0, 0}; struct adt7410_chip_info *chip; struct iio_dev *indio_dev; int ret = 0; - unsigned long *adt7410_platform_data = client->dev.platform_data; - unsigned long local_pdata[] = {0, 0}; indio_dev = iio_device_alloc(sizeof(*chip)); if (indio_dev == NULL) { @@ -720,12 +711,13 @@ static int __devinit adt7410_probe(struct i2c_client *client, } chip = iio_priv(indio_dev); /* this is only used for device removal purposes */ - i2c_set_clientdata(client, indio_dev); + dev_set_drvdata(dev, indio_dev); - chip->client = client; + chip->dev = dev; + chip->ops = ops; - indio_dev->name = id->name; - indio_dev->dev.parent = &client->dev; + indio_dev->name = name; + indio_dev->dev.parent = dev; indio_dev->info = &adt7410_info; indio_dev->modes = INDIO_DIRECT_MODE; @@ -733,12 +725,12 @@ static int __devinit adt7410_probe(struct i2c_client *client, adt7410_platform_data = local_pdata; /* CT critcal temperature event. line 0 */ - if (client->irq) { - ret = request_threaded_irq(client->irq, + if (irq) { + ret = request_threaded_irq(irq, NULL, &adt7410_event_handler, IRQF_TRIGGER_LOW | IRQF_ONESHOT, - id->name, + name, indio_dev); if (ret) goto error_free_dev; @@ -751,13 +743,13 @@ static int __devinit adt7410_probe(struct i2c_client *client, &adt7410_event_handler, adt7410_platform_data[1] | IRQF_ONESHOT, - id->name, + name, indio_dev); if (ret) goto error_unreg_ct_irq; } - ret = adt7410_i2c_read_byte(chip, ADT7410_CONFIG, &chip->config); + ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config); if (ret) { ret = -EIO; goto error_unreg_int_irq; @@ -765,7 +757,7 @@ static int __devinit adt7410_probe(struct i2c_client *client, chip->config |= ADT7410_RESOLUTION; - if (client->irq && adt7410_platform_data[0]) { + if (irq && adt7410_platform_data[0]) { /* set irq polarity low level */ chip->config &= ~ADT7410_CT_POLARITY; @@ -776,7 +768,7 @@ static int __devinit adt7410_probe(struct i2c_client *client, chip->config &= ~ADT7410_INT_POLARITY; } - ret = adt7410_i2c_write_byte(chip, ADT7410_CONFIG, chip->config); + ret = adt7410_write_byte(chip, ADT7410_CONFIG, chip->config); if (ret) { ret = -EIO; goto error_unreg_int_irq; @@ -785,36 +777,117 @@ static int __devinit adt7410_probe(struct i2c_client *client, if (ret) goto error_unreg_int_irq; - dev_info(&client->dev, "%s temperature sensor registered.\n", - id->name); + dev_info(dev, "%s temperature sensor registered.\n", + name); return 0; error_unreg_int_irq: free_irq(adt7410_platform_data[0], indio_dev); error_unreg_ct_irq: - free_irq(client->irq, indio_dev); + free_irq(irq, indio_dev); error_free_dev: iio_device_free(indio_dev); error_ret: return ret; } -static int __devexit adt7410_remove(struct i2c_client *client) +static int adt7410_remove(struct device *dev, int irq) { - struct iio_dev *indio_dev = i2c_get_clientdata(client); - unsigned long *adt7410_platform_data = client->dev.platform_data; + struct iio_dev *indio_dev = dev_get_drvdata(dev); + unsigned long *adt7410_platform_data = dev->platform_data; iio_device_unregister(indio_dev); if (adt7410_platform_data[0]) free_irq(adt7410_platform_data[0], indio_dev); - if (client->irq) - free_irq(client->irq, indio_dev); + if (irq) + free_irq(irq, indio_dev); iio_device_free(indio_dev); return 0; } +#if IS_ENABLED(CONFIG_I2C) + +static int adt7410_i2c_read_word(struct adt7410_chip_info *chip, u8 reg, + u16 *data) +{ + struct i2c_client *client = to_i2c_client(chip->dev); + int ret = 0; + + ret = i2c_smbus_read_word_data(client, reg); + if (ret < 0) { + dev_err(&client->dev, "I2C read error\n"); + return ret; + } + + *data = swab16((u16)ret); + + return 0; +} + +static int adt7410_i2c_write_word(struct adt7410_chip_info *chip, u8 reg, + u16 data) +{ + struct i2c_client *client = to_i2c_client(chip->dev); + int ret = 0; + + ret = i2c_smbus_write_word_data(client, reg, swab16(data)); + if (ret < 0) + dev_err(&client->dev, "I2C write error\n"); + + return ret; +} + +static int adt7410_i2c_read_byte(struct adt7410_chip_info *chip, u8 reg, + u8 *data) +{ + struct i2c_client *client = to_i2c_client(chip->dev); + int ret = 0; + + ret = i2c_smbus_read_byte_data(client, reg); + if (ret < 0) { + dev_err(&client->dev, "I2C read error\n"); + return ret; + } + + *data = (u8)ret; + + return 0; +} + +static int adt7410_i2c_write_byte(struct adt7410_chip_info *chip, u8 reg, + u8 data) +{ + struct i2c_client *client = to_i2c_client(chip->dev); + int ret = 0; + + ret = i2c_smbus_write_byte_data(client, reg, data); + if (ret < 0) + dev_err(&client->dev, "I2C write error\n"); + + return ret; +} + +static const struct adt7410_ops adt7410_i2c_ops = { + .read_word = adt7410_i2c_read_word, + .write_word = adt7410_i2c_write_word, + .read_byte = adt7410_i2c_read_byte, + .write_byte = adt7410_i2c_write_byte, +}; + +static int adt7410_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + return adt7410_probe(&client->dev, client->irq, id->name, + &adt7410_i2c_ops); +} + +static int adt7410_i2c_remove(struct i2c_client *client) +{ + return adt7410_remove(&client->dev, client->irq); +} + static const struct i2c_device_id adt7410_id[] = { { "adt7410", 0 }, {} @@ -826,13 +899,204 @@ static struct i2c_driver adt7410_driver = { .driver = { .name = "adt7410", }, - .probe = adt7410_probe, - .remove = __devexit_p(adt7410_remove), + .probe = adt7410_i2c_probe, + .remove = adt7410_i2c_remove, .id_table = adt7410_id, }; -module_i2c_driver(adt7410_driver); + +static int __init adt7410_i2c_init(void) +{ + return i2c_add_driver(&adt7410_driver); +} + +static void __exit adt7410_i2c_exit(void) +{ + i2c_del_driver(&adt7410_driver); +} + +#else + +static int __init adt7410_i2c_init(void) { return 0; }; +static void __exit adt7410_i2c_exit(void) {}; + +#endif + +#if IS_ENABLED(CONFIG_SPI_MASTER) + +static const u8 adt7371_reg_table[] = { + [ADT7410_TEMPERATURE] = ADT7310_TEMPERATURE, + [ADT7410_STATUS] = ADT7310_STATUS, + [ADT7410_CONFIG] = ADT7310_CONFIG, + [ADT7410_T_ALARM_HIGH] = ADT7310_T_ALARM_HIGH, + [ADT7410_T_ALARM_LOW] = ADT7310_T_ALARM_LOW, + [ADT7410_T_CRIT] = ADT7310_T_CRIT, + [ADT7410_T_HYST] = ADT7310_T_HYST, + [ADT7410_ID] = ADT7310_ID, +}; + +#define AD7310_COMMAND(reg) (adt7371_reg_table[(reg)] << ADT7310_CMD_REG_OFFSET) + +static int adt7310_spi_read_word(struct adt7410_chip_info *chip, + u8 reg, u16 *data) +{ + struct spi_device *spi = to_spi_device(chip->dev); + u8 command = AD7310_COMMAND(reg); + int ret = 0; + + command |= ADT7310_CMD_READ; + ret = spi_write(spi, &command, sizeof(command)); + if (ret < 0) { + dev_err(&spi->dev, "SPI write command error\n"); + return ret; + } + + ret = spi_read(spi, (u8 *)data, sizeof(*data)); + if (ret < 0) { + dev_err(&spi->dev, "SPI read word error\n"); + return ret; + } + + *data = be16_to_cpu(*data); + + return 0; +} + +static int adt7310_spi_write_word(struct adt7410_chip_info *chip, u8 reg, + u16 data) +{ + struct spi_device *spi = to_spi_device(chip->dev); + u8 buf[3]; + int ret = 0; + + buf[0] = AD7310_COMMAND(reg); + buf[1] = (u8)(data >> 8); + buf[2] = (u8)(data & 0xFF); + + ret = spi_write(spi, buf, 3); + if (ret < 0) { + dev_err(&spi->dev, "SPI write word error\n"); + return ret; + } + + return ret; +} + +static int adt7310_spi_read_byte(struct adt7410_chip_info *chip, u8 reg, + u8 *data) +{ + struct spi_device *spi = to_spi_device(chip->dev); + u8 command = AD7310_COMMAND(reg); + int ret = 0; + + command |= ADT7310_CMD_READ; + ret = spi_write(spi, &command, sizeof(command)); + if (ret < 0) { + dev_err(&spi->dev, "SPI write command error\n"); + return ret; + } + + ret = spi_read(spi, data, sizeof(*data)); + if (ret < 0) { + dev_err(&spi->dev, "SPI read byte error\n"); + return ret; + } + + return 0; +} + +static int adt7310_spi_write_byte(struct adt7410_chip_info *chip, u8 reg, + u8 data) +{ + struct spi_device *spi = to_spi_device(chip->dev); + u8 buf[2]; + int ret = 0; + + buf[0] = AD7310_COMMAND(reg); + buf[1] = data; + + ret = spi_write(spi, buf, 2); + if (ret < 0) { + dev_err(&spi->dev, "SPI write byte error\n"); + return ret; + } + + return ret; +} + +static const struct adt7410_ops adt7310_spi_ops = { + .read_word = adt7310_spi_read_word, + .write_word = adt7310_spi_write_word, + .read_byte = adt7310_spi_read_byte, + .write_byte = adt7310_spi_write_byte, +}; + +static int adt7310_spi_probe(struct spi_device *spi) +{ + return adt7410_probe(&spi->dev, spi->irq, + spi_get_device_id(spi)->name, &adt7310_spi_ops); +} + +static int adt7310_spi_remove(struct spi_device *spi) +{ + return adt7410_remove(&spi->dev, spi->irq); +} + +static const struct spi_device_id adt7310_id[] = { + { "adt7310", 0 }, + {} +}; +MODULE_DEVICE_TABLE(spi, adt7310_id); + +static struct spi_driver adt7310_driver = { + .driver = { + .name = "adt7310", + .owner = THIS_MODULE, + }, + .probe = adt7310_spi_probe, + .remove = adt7310_spi_remove, + .id_table = adt7310_id, +}; + +static int __init adt7310_spi_init(void) +{ + return spi_register_driver(&adt7310_driver); +} + +static void adt7310_spi_exit(void) +{ + spi_unregister_driver(&adt7310_driver); +} + +#else + +static int __init adt7310_spi_init(void) { return 0; }; +static void adt7310_spi_exit(void) {}; + +#endif + +static int __init adt7410_init(void) +{ + int ret; + + ret = adt7310_spi_init(); + if (ret) + return ret; + + ret = adt7410_i2c_init(); + if (ret) + adt7310_spi_exit(); + + return ret; +} +module_init(adt7410_init); + +static void __exit adt7410_exit(void) +{ + adt7410_i2c_exit(); + adt7310_spi_exit(); +} +module_exit(adt7410_exit); MODULE_AUTHOR("Sonic Zhang <sonic.zhang@analog.com>"); -MODULE_DESCRIPTION("Analog Devices ADT7410 digital" - " temperature sensor driver"); +MODULE_DESCRIPTION("Analog Devices ADT7310/ADT7410 digital temperature sensor driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/iio/adc/lpc32xx_adc.c b/drivers/staging/iio/adc/lpc32xx_adc.c index 7e9bd0001cc7..0bf2a6cc79e0 100644 --- a/drivers/staging/iio/adc/lpc32xx_adc.c +++ b/drivers/staging/iio/adc/lpc32xx_adc.c @@ -126,7 +126,7 @@ static irqreturn_t lpc32xx_adc_isr(int irq, void *dev_id) return IRQ_HANDLED; } -static int __devinit lpc32xx_adc_probe(struct platform_device *pdev) +static int lpc32xx_adc_probe(struct platform_device *pdev) { struct lpc32xx_adc_info *info = NULL; struct resource *res; @@ -150,7 +150,7 @@ static int __devinit lpc32xx_adc_probe(struct platform_device *pdev) info = iio_priv(iodev); - info->adc_base = ioremap(res->start, res->end - res->start + 1); + info->adc_base = ioremap(res->start, resource_size(res)); if (!info->adc_base) { dev_err(&pdev->dev, "failed mapping memory\n"); retval = -EBUSY; @@ -207,7 +207,7 @@ errout1: return retval; } -static int __devexit lpc32xx_adc_remove(struct platform_device *pdev) +static int lpc32xx_adc_remove(struct platform_device *pdev) { struct iio_dev *iodev = platform_get_drvdata(pdev); struct lpc32xx_adc_info *info = iio_priv(iodev); @@ -233,7 +233,7 @@ MODULE_DEVICE_TABLE(of, lpc32xx_adc_match); static struct platform_driver lpc32xx_adc_driver = { .probe = lpc32xx_adc_probe, - .remove = __devexit_p(lpc32xx_adc_remove), + .remove = lpc32xx_adc_remove, .driver = { .name = MOD_NAME, .owner = THIS_MODULE, diff --git a/drivers/staging/iio/adc/max1363.h b/drivers/staging/iio/adc/max1363.h deleted file mode 100644 index c746918683f1..000000000000 --- a/drivers/staging/iio/adc/max1363.h +++ /dev/null @@ -1,177 +0,0 @@ -#ifndef _MAX1363_H_ -#define _MAX1363_H_ - -#define MAX1363_SETUP_BYTE(a) ((a) | 0x80) - -/* There is a fair bit more defined here than currently - * used, but the intention is to support everything these - * chips do in the long run */ - -/* see data sheets */ -/* max1363 and max1236, max1237, max1238, max1239 */ -#define MAX1363_SETUP_AIN3_IS_AIN3_REF_IS_VDD 0x00 -#define MAX1363_SETUP_AIN3_IS_REF_EXT_TO_REF 0x20 -#define MAX1363_SETUP_AIN3_IS_AIN3_REF_IS_INT 0x40 -#define MAX1363_SETUP_AIN3_IS_REF_REF_IS_INT 0x60 -#define MAX1363_SETUP_POWER_UP_INT_REF 0x10 -#define MAX1363_SETUP_POWER_DOWN_INT_REF 0x00 - -/* think about includeing max11600 etc - more settings */ -#define MAX1363_SETUP_EXT_CLOCK 0x08 -#define MAX1363_SETUP_INT_CLOCK 0x00 -#define MAX1363_SETUP_UNIPOLAR 0x00 -#define MAX1363_SETUP_BIPOLAR 0x04 -#define MAX1363_SETUP_RESET 0x00 -#define MAX1363_SETUP_NORESET 0x02 -/* max1363 only - though don't care on others. - * For now monitor modes are not implemented as the relevant - * line is not connected on my test board. - * The definitions are here as I intend to add this soon. - */ -#define MAX1363_SETUP_MONITOR_SETUP 0x01 - -/* Specific to the max1363 */ -#define MAX1363_MON_RESET_CHAN(a) (1 << ((a) + 4)) -#define MAX1363_MON_INT_ENABLE 0x01 - -/* defined for readability reasons */ -/* All chips */ -#define MAX1363_CONFIG_BYTE(a) ((a)) - -#define MAX1363_CONFIG_SE 0x01 -#define MAX1363_CONFIG_DE 0x00 -#define MAX1363_CONFIG_SCAN_TO_CS 0x00 -#define MAX1363_CONFIG_SCAN_SINGLE_8 0x20 -#define MAX1363_CONFIG_SCAN_MONITOR_MODE 0x40 -#define MAX1363_CONFIG_SCAN_SINGLE_1 0x60 -/* max123{6-9} only */ -#define MAX1236_SCAN_MID_TO_CHANNEL 0x40 - -/* max1363 only - merely part of channel selects or don't care for others*/ -#define MAX1363_CONFIG_EN_MON_MODE_READ 0x18 - -#define MAX1363_CHANNEL_SEL(a) ((a) << 1) - -/* max1363 strictly 0x06 - but doesn't matter */ -#define MAX1363_CHANNEL_SEL_MASK 0x1E -#define MAX1363_SCAN_MASK 0x60 -#define MAX1363_SE_DE_MASK 0x01 - -#define MAX1363_MAX_CHANNELS 25 -/** - * struct max1363_mode - scan mode information - * @conf: The corresponding value of the configuration register - * @modemask: Bit mask corresponding to channels enabled in this mode - */ -struct max1363_mode { - int8_t conf; - DECLARE_BITMAP(modemask, MAX1363_MAX_CHANNELS); -}; - -/* This must be maintained along side the max1363_mode_table in max1363_core */ -enum max1363_modes { - /* Single read of a single channel */ - _s0, _s1, _s2, _s3, _s4, _s5, _s6, _s7, _s8, _s9, _s10, _s11, - /* Differential single read */ - d0m1, d2m3, d4m5, d6m7, d8m9, d10m11, - d1m0, d3m2, d5m4, d7m6, d9m8, d11m10, - /* Scan to channel and mid to channel where overlapping */ - s0to1, s0to2, s2to3, s0to3, s0to4, s0to5, s0to6, - s6to7, s0to7, s6to8, s0to8, s6to9, - s0to9, s6to10, s0to10, s6to11, s0to11, - /* Differential scan to channel and mid to channel where overlapping */ - d0m1to2m3, d0m1to4m5, d0m1to6m7, d6m7to8m9, - d0m1to8m9, d6m7to10m11, d0m1to10m11, d1m0to3m2, - d1m0to5m4, d1m0to7m6, d7m6to9m8, d1m0to9m8, - d7m6to11m10, d1m0to11m10, -}; - -/** - * struct max1363_chip_info - chip specifc information - * @name: indentification string for chip - * @bits: accuracy of the adc in bits - * @int_vref_mv: the internal reference voltage - * @info: iio core function callbacks structure - * @mode_list: array of available scan modes - * @num_modes: the number of scan modes available - * @default_mode: the scan mode in which the chip starts up - * @channel: channel specification - * @num_channels: number of channels - */ -struct max1363_chip_info { - const struct iio_info *info; - const struct iio_chan_spec *channels; - int num_channels; - const enum max1363_modes *mode_list; - enum max1363_modes default_mode; - u16 int_vref_mv; - u8 num_modes; - u8 bits; -}; - -/** - * struct max1363_state - driver instance specific data - * @client: i2c_client - * @setupbyte: cache of current device setup byte - * @configbyte: cache of current device config byte - * @chip_info: chip model specific constants, available modes etc - * @current_mode: the scan mode of this chip - * @requestedmask: a valid requested set of channels - * @reg: supply regulator - * @monitor_on: whether monitor mode is enabled - * @monitor_speed: parameter corresponding to device monitor speed setting - * @mask_high: bitmask for enabled high thresholds - * @mask_low: bitmask for enabled low thresholds - * @thresh_high: high threshold values - * @thresh_low: low threshold values - */ -struct max1363_state { - struct i2c_client *client; - u8 setupbyte; - u8 configbyte; - const struct max1363_chip_info *chip_info; - const struct max1363_mode *current_mode; - u32 requestedmask; - struct regulator *reg; - - /* Using monitor modes and buffer at the same time is - currently not supported */ - bool monitor_on; - unsigned int monitor_speed:3; - u8 mask_high; - u8 mask_low; - /* 4x unipolar first then the fours bipolar ones */ - s16 thresh_high[8]; - s16 thresh_low[8]; -}; - -const struct max1363_mode -*max1363_match_mode(const unsigned long *mask, - const struct max1363_chip_info *ci); - -int max1363_set_scan_mode(struct max1363_state *st); - -#ifdef CONFIG_MAX1363_RING_BUFFER -int max1363_update_scan_mode(struct iio_dev *indio_dev, - const unsigned long *scan_mask); -int max1363_register_ring_funcs_and_init(struct iio_dev *indio_dev); -void max1363_ring_cleanup(struct iio_dev *indio_dev); - -#else /* CONFIG_MAX1363_RING_BUFFER */ -int max1363_update_scan_mode(struct iio_dev *indio_dev, - const long *scan_mask) -{ - return 0; -} - -static inline int -max1363_register_ring_funcs_and_init(struct iio_dev *indio_dev) -{ - return 0; -} - -static inline void max1363_ring_cleanup(struct iio_dev *indio_dev) -{ -} -#endif /* CONFIG_MAX1363_RING_BUFFER */ -#endif /* _MAX1363_H_ */ diff --git a/drivers/staging/iio/adc/max1363_core.c b/drivers/staging/iio/adc/max1363_core.c deleted file mode 100644 index d7b4ffcfa052..000000000000 --- a/drivers/staging/iio/adc/max1363_core.c +++ /dev/null @@ -1,1444 +0,0 @@ - /* - * iio/adc/max1363.c - * Copyright (C) 2008-2010 Jonathan Cameron - * - * based on linux/drivers/i2c/chips/max123x - * Copyright (C) 2002-2004 Stefan Eletzhofer - * - * based on linux/drivers/acron/char/pcf8583.c - * Copyright (C) 2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * max1363.c - * - * Partial support for max1363 and similar chips. - * - * Not currently implemented. - * - * - Control of internal reference. - */ - -#include <linux/interrupt.h> -#include <linux/device.h> -#include <linux/kernel.h> -#include <linux/sysfs.h> -#include <linux/list.h> -#include <linux/i2c.h> -#include <linux/regulator/consumer.h> -#include <linux/slab.h> -#include <linux/err.h> -#include <linux/module.h> - -#include <linux/iio/iio.h> -#include <linux/iio/sysfs.h> -#include <linux/iio/events.h> -#include <linux/iio/buffer.h> -#include <linux/iio/driver.h> - -#include "max1363.h" - -#define MAX1363_MODE_SINGLE(_num, _mask) { \ - .conf = MAX1363_CHANNEL_SEL(_num) \ - | MAX1363_CONFIG_SCAN_SINGLE_1 \ - | MAX1363_CONFIG_SE, \ - .modemask[0] = _mask, \ - } - -#define MAX1363_MODE_SCAN_TO_CHANNEL(_num, _mask) { \ - .conf = MAX1363_CHANNEL_SEL(_num) \ - | MAX1363_CONFIG_SCAN_TO_CS \ - | MAX1363_CONFIG_SE, \ - .modemask[0] = _mask, \ - } - -/* note not available for max1363 hence naming */ -#define MAX1236_MODE_SCAN_MID_TO_CHANNEL(_mid, _num, _mask) { \ - .conf = MAX1363_CHANNEL_SEL(_num) \ - | MAX1236_SCAN_MID_TO_CHANNEL \ - | MAX1363_CONFIG_SE, \ - .modemask[0] = _mask \ -} - -#define MAX1363_MODE_DIFF_SINGLE(_nump, _numm, _mask) { \ - .conf = MAX1363_CHANNEL_SEL(_nump) \ - | MAX1363_CONFIG_SCAN_SINGLE_1 \ - | MAX1363_CONFIG_DE, \ - .modemask[0] = _mask \ - } - -/* Can't think how to automate naming so specify for now */ -#define MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(_num, _numvals, _mask) { \ - .conf = MAX1363_CHANNEL_SEL(_num) \ - | MAX1363_CONFIG_SCAN_TO_CS \ - | MAX1363_CONFIG_DE, \ - .modemask[0] = _mask \ - } - -/* note only available for max1363 hence naming */ -#define MAX1236_MODE_DIFF_SCAN_MID_TO_CHANNEL(_num, _numvals, _mask) { \ - .conf = MAX1363_CHANNEL_SEL(_num) \ - | MAX1236_SCAN_MID_TO_CHANNEL \ - | MAX1363_CONFIG_SE, \ - .modemask[0] = _mask \ -} - -static const struct max1363_mode max1363_mode_table[] = { - /* All of the single channel options first */ - MAX1363_MODE_SINGLE(0, 1 << 0), - MAX1363_MODE_SINGLE(1, 1 << 1), - MAX1363_MODE_SINGLE(2, 1 << 2), - MAX1363_MODE_SINGLE(3, 1 << 3), - MAX1363_MODE_SINGLE(4, 1 << 4), - MAX1363_MODE_SINGLE(5, 1 << 5), - MAX1363_MODE_SINGLE(6, 1 << 6), - MAX1363_MODE_SINGLE(7, 1 << 7), - MAX1363_MODE_SINGLE(8, 1 << 8), - MAX1363_MODE_SINGLE(9, 1 << 9), - MAX1363_MODE_SINGLE(10, 1 << 10), - MAX1363_MODE_SINGLE(11, 1 << 11), - - MAX1363_MODE_DIFF_SINGLE(0, 1, 1 << 12), - MAX1363_MODE_DIFF_SINGLE(2, 3, 1 << 13), - MAX1363_MODE_DIFF_SINGLE(4, 5, 1 << 14), - MAX1363_MODE_DIFF_SINGLE(6, 7, 1 << 15), - MAX1363_MODE_DIFF_SINGLE(8, 9, 1 << 16), - MAX1363_MODE_DIFF_SINGLE(10, 11, 1 << 17), - MAX1363_MODE_DIFF_SINGLE(1, 0, 1 << 18), - MAX1363_MODE_DIFF_SINGLE(3, 2, 1 << 19), - MAX1363_MODE_DIFF_SINGLE(5, 4, 1 << 20), - MAX1363_MODE_DIFF_SINGLE(7, 6, 1 << 21), - MAX1363_MODE_DIFF_SINGLE(9, 8, 1 << 22), - MAX1363_MODE_DIFF_SINGLE(11, 10, 1 << 23), - - /* The multichannel scans next */ - MAX1363_MODE_SCAN_TO_CHANNEL(1, 0x003), - MAX1363_MODE_SCAN_TO_CHANNEL(2, 0x007), - MAX1236_MODE_SCAN_MID_TO_CHANNEL(2, 3, 0x00C), - MAX1363_MODE_SCAN_TO_CHANNEL(3, 0x00F), - MAX1363_MODE_SCAN_TO_CHANNEL(4, 0x01F), - MAX1363_MODE_SCAN_TO_CHANNEL(5, 0x03F), - MAX1363_MODE_SCAN_TO_CHANNEL(6, 0x07F), - MAX1236_MODE_SCAN_MID_TO_CHANNEL(6, 7, 0x0C0), - MAX1363_MODE_SCAN_TO_CHANNEL(7, 0x0FF), - MAX1236_MODE_SCAN_MID_TO_CHANNEL(6, 8, 0x1C0), - MAX1363_MODE_SCAN_TO_CHANNEL(8, 0x1FF), - MAX1236_MODE_SCAN_MID_TO_CHANNEL(6, 9, 0x3C0), - MAX1363_MODE_SCAN_TO_CHANNEL(9, 0x3FF), - MAX1236_MODE_SCAN_MID_TO_CHANNEL(6, 10, 0x7C0), - MAX1363_MODE_SCAN_TO_CHANNEL(10, 0x7FF), - MAX1236_MODE_SCAN_MID_TO_CHANNEL(6, 11, 0xFC0), - MAX1363_MODE_SCAN_TO_CHANNEL(11, 0xFFF), - - MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(2, 2, 0x003000), - MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(4, 3, 0x007000), - MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(6, 4, 0x00F000), - MAX1236_MODE_DIFF_SCAN_MID_TO_CHANNEL(8, 2, 0x018000), - MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(8, 5, 0x01F000), - MAX1236_MODE_DIFF_SCAN_MID_TO_CHANNEL(10, 3, 0x038000), - MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(10, 6, 0x3F000), - MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(3, 2, 0x0C0000), - MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(5, 3, 0x1C0000), - MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(7, 4, 0x3C0000), - MAX1236_MODE_DIFF_SCAN_MID_TO_CHANNEL(9, 2, 0x600000), - MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(9, 5, 0x7C0000), - MAX1236_MODE_DIFF_SCAN_MID_TO_CHANNEL(11, 3, 0xE00000), - MAX1363_MODE_DIFF_SCAN_TO_CHANNEL(11, 6, 0xFC0000), -}; - -const struct max1363_mode -*max1363_match_mode(const unsigned long *mask, -const struct max1363_chip_info *ci) -{ - int i; - if (mask) - for (i = 0; i < ci->num_modes; i++) - if (bitmap_subset(mask, - max1363_mode_table[ci->mode_list[i]]. - modemask, - MAX1363_MAX_CHANNELS)) - return &max1363_mode_table[ci->mode_list[i]]; - return NULL; -} - -static int max1363_write_basic_config(struct i2c_client *client, - unsigned char d1, - unsigned char d2) -{ - u8 tx_buf[2] = {d1, d2}; - - return i2c_master_send(client, tx_buf, 2); -} - -int max1363_set_scan_mode(struct max1363_state *st) -{ - st->configbyte &= ~(MAX1363_CHANNEL_SEL_MASK - | MAX1363_SCAN_MASK - | MAX1363_SE_DE_MASK); - st->configbyte |= st->current_mode->conf; - - return max1363_write_basic_config(st->client, - st->setupbyte, - st->configbyte); -} - -static int max1363_read_single_chan(struct iio_dev *indio_dev, - struct iio_chan_spec const *chan, - int *val, - long m) -{ - int ret = 0; - s32 data; - char rxbuf[2]; - struct max1363_state *st = iio_priv(indio_dev); - struct i2c_client *client = st->client; - - mutex_lock(&indio_dev->mlock); - /* - * If monitor mode is enabled, the method for reading a single - * channel will have to be rather different and has not yet - * been implemented. - * - * Also, cannot read directly if buffered capture enabled. - */ - if (st->monitor_on || iio_buffer_enabled(indio_dev)) { - ret = -EBUSY; - goto error_ret; - } - - /* Check to see if current scan mode is correct */ - if (st->current_mode != &max1363_mode_table[chan->address]) { - /* Update scan mode if needed */ - st->current_mode = &max1363_mode_table[chan->address]; - ret = max1363_set_scan_mode(st); - if (ret < 0) - goto error_ret; - } - if (st->chip_info->bits != 8) { - /* Get reading */ - data = i2c_master_recv(client, rxbuf, 2); - if (data < 0) { - ret = data; - goto error_ret; - } - data = (s32)(rxbuf[1]) | ((s32)(rxbuf[0] & 0x0F)) << 8; - } else { - /* Get reading */ - data = i2c_master_recv(client, rxbuf, 1); - if (data < 0) { - ret = data; - goto error_ret; - } - data = rxbuf[0]; - } - *val = data; -error_ret: - mutex_unlock(&indio_dev->mlock); - return ret; - -} - -static int max1363_read_raw(struct iio_dev *indio_dev, - struct iio_chan_spec const *chan, - int *val, - int *val2, - long m) -{ - struct max1363_state *st = iio_priv(indio_dev); - int ret; - switch (m) { - case IIO_CHAN_INFO_RAW: - ret = max1363_read_single_chan(indio_dev, chan, val, m); - if (ret < 0) - return ret; - return IIO_VAL_INT; - case IIO_CHAN_INFO_SCALE: - if ((1 << (st->chip_info->bits + 1)) > - st->chip_info->int_vref_mv) { - *val = 0; - *val2 = 500000; - return IIO_VAL_INT_PLUS_MICRO; - } else { - *val = (st->chip_info->int_vref_mv) - >> st->chip_info->bits; - return IIO_VAL_INT; - } - default: - return -EINVAL; - } - return 0; -} - -/* Applies to max1363 */ -static const enum max1363_modes max1363_mode_list[] = { - _s0, _s1, _s2, _s3, - s0to1, s0to2, s0to3, - d0m1, d2m3, d1m0, d3m2, - d0m1to2m3, d1m0to3m2, -}; - -#define MAX1363_EV_M \ - (IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING) \ - | IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING)) -#define MAX1363_INFO_MASK (IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT) -#define MAX1363_CHAN_U(num, addr, si, bits, evmask) \ - { \ - .type = IIO_VOLTAGE, \ - .indexed = 1, \ - .channel = num, \ - .address = addr, \ - .info_mask = MAX1363_INFO_MASK, \ - .datasheet_name = "AIN"#num, \ - .scan_type = { \ - .sign = 'u', \ - .realbits = bits, \ - .storagebits = (bits > 8) ? 16 : 8, \ - .endianness = IIO_BE, \ - }, \ - .scan_index = si, \ - .event_mask = evmask, \ - } - -/* bipolar channel */ -#define MAX1363_CHAN_B(num, num2, addr, si, bits, evmask) \ - { \ - .type = IIO_VOLTAGE, \ - .differential = 1, \ - .indexed = 1, \ - .channel = num, \ - .channel2 = num2, \ - .address = addr, \ - .info_mask = MAX1363_INFO_MASK, \ - .datasheet_name = "AIN"#num"-AIN"#num2, \ - .scan_type = { \ - .sign = 's', \ - .realbits = bits, \ - .storagebits = (bits > 8) ? 16 : 8, \ - .endianness = IIO_BE, \ - }, \ - .scan_index = si, \ - .event_mask = evmask, \ - } - -#define MAX1363_4X_CHANS(bits, em) { \ - MAX1363_CHAN_U(0, _s0, 0, bits, em), \ - MAX1363_CHAN_U(1, _s1, 1, bits, em), \ - MAX1363_CHAN_U(2, _s2, 2, bits, em), \ - MAX1363_CHAN_U(3, _s3, 3, bits, em), \ - MAX1363_CHAN_B(0, 1, d0m1, 4, bits, em), \ - MAX1363_CHAN_B(2, 3, d2m3, 5, bits, em), \ - MAX1363_CHAN_B(1, 0, d1m0, 6, bits, em), \ - MAX1363_CHAN_B(3, 2, d3m2, 7, bits, em), \ - IIO_CHAN_SOFT_TIMESTAMP(8) \ - } - -static const struct iio_chan_spec max1036_channels[] = MAX1363_4X_CHANS(8, 0); -static const struct iio_chan_spec max1136_channels[] = MAX1363_4X_CHANS(10, 0); -static const struct iio_chan_spec max1236_channels[] = MAX1363_4X_CHANS(12, 0); -static const struct iio_chan_spec max1361_channels[] = - MAX1363_4X_CHANS(10, MAX1363_EV_M); -static const struct iio_chan_spec max1363_channels[] = - MAX1363_4X_CHANS(12, MAX1363_EV_M); - -/* Applies to max1236, max1237 */ -static const enum max1363_modes max1236_mode_list[] = { - _s0, _s1, _s2, _s3, - s0to1, s0to2, s0to3, - d0m1, d2m3, d1m0, d3m2, - d0m1to2m3, d1m0to3m2, - s2to3, -}; - -/* Applies to max1238, max1239 */ -static const enum max1363_modes max1238_mode_list[] = { - _s0, _s1, _s2, _s3, _s4, _s5, _s6, _s7, _s8, _s9, _s10, _s11, - s0to1, s0to2, s0to3, s0to4, s0to5, s0to6, - s0to7, s0to8, s0to9, s0to10, s0to11, - d0m1, d2m3, d4m5, d6m7, d8m9, d10m11, - d1m0, d3m2, d5m4, d7m6, d9m8, d11m10, - d0m1to2m3, d0m1to4m5, d0m1to6m7, d0m1to8m9, d0m1to10m11, - d1m0to3m2, d1m0to5m4, d1m0to7m6, d1m0to9m8, d1m0to11m10, - s6to7, s6to8, s6to9, s6to10, s6to11, - d6m7to8m9, d6m7to10m11, d7m6to9m8, d7m6to11m10, -}; - -#define MAX1363_12X_CHANS(bits) { \ - MAX1363_CHAN_U(0, _s0, 0, bits, 0), \ - MAX1363_CHAN_U(1, _s1, 1, bits, 0), \ - MAX1363_CHAN_U(2, _s2, 2, bits, 0), \ - MAX1363_CHAN_U(3, _s3, 3, bits, 0), \ - MAX1363_CHAN_U(4, _s4, 4, bits, 0), \ - MAX1363_CHAN_U(5, _s5, 5, bits, 0), \ - MAX1363_CHAN_U(6, _s6, 6, bits, 0), \ - MAX1363_CHAN_U(7, _s7, 7, bits, 0), \ - MAX1363_CHAN_U(8, _s8, 8, bits, 0), \ - MAX1363_CHAN_U(9, _s9, 9, bits, 0), \ - MAX1363_CHAN_U(10, _s10, 10, bits, 0), \ - MAX1363_CHAN_U(11, _s11, 11, bits, 0), \ - MAX1363_CHAN_B(0, 1, d0m1, 12, bits, 0), \ - MAX1363_CHAN_B(2, 3, d2m3, 13, bits, 0), \ - MAX1363_CHAN_B(4, 5, d4m5, 14, bits, 0), \ - MAX1363_CHAN_B(6, 7, d6m7, 15, bits, 0), \ - MAX1363_CHAN_B(8, 9, d8m9, 16, bits, 0), \ - MAX1363_CHAN_B(10, 11, d10m11, 17, bits, 0), \ - MAX1363_CHAN_B(1, 0, d1m0, 18, bits, 0), \ - MAX1363_CHAN_B(3, 2, d3m2, 19, bits, 0), \ - MAX1363_CHAN_B(5, 4, d5m4, 20, bits, 0), \ - MAX1363_CHAN_B(7, 6, d7m6, 21, bits, 0), \ - MAX1363_CHAN_B(9, 8, d9m8, 22, bits, 0), \ - MAX1363_CHAN_B(11, 10, d11m10, 23, bits, 0), \ - IIO_CHAN_SOFT_TIMESTAMP(24) \ - } -static const struct iio_chan_spec max1038_channels[] = MAX1363_12X_CHANS(8); -static const struct iio_chan_spec max1138_channels[] = MAX1363_12X_CHANS(10); -static const struct iio_chan_spec max1238_channels[] = MAX1363_12X_CHANS(12); - -static const enum max1363_modes max11607_mode_list[] = { - _s0, _s1, _s2, _s3, - s0to1, s0to2, s0to3, - s2to3, - d0m1, d2m3, d1m0, d3m2, - d0m1to2m3, d1m0to3m2, -}; - -static const enum max1363_modes max11608_mode_list[] = { - _s0, _s1, _s2, _s3, _s4, _s5, _s6, _s7, - s0to1, s0to2, s0to3, s0to4, s0to5, s0to6, s0to7, - s6to7, - d0m1, d2m3, d4m5, d6m7, - d1m0, d3m2, d5m4, d7m6, - d0m1to2m3, d0m1to4m5, d0m1to6m7, - d1m0to3m2, d1m0to5m4, d1m0to7m6, -}; - -#define MAX1363_8X_CHANS(bits) { \ - MAX1363_CHAN_U(0, _s0, 0, bits, 0), \ - MAX1363_CHAN_U(1, _s1, 1, bits, 0), \ - MAX1363_CHAN_U(2, _s2, 2, bits, 0), \ - MAX1363_CHAN_U(3, _s3, 3, bits, 0), \ - MAX1363_CHAN_U(4, _s4, 4, bits, 0), \ - MAX1363_CHAN_U(5, _s5, 5, bits, 0), \ - MAX1363_CHAN_U(6, _s6, 6, bits, 0), \ - MAX1363_CHAN_U(7, _s7, 7, bits, 0), \ - MAX1363_CHAN_B(0, 1, d0m1, 8, bits, 0), \ - MAX1363_CHAN_B(2, 3, d2m3, 9, bits, 0), \ - MAX1363_CHAN_B(4, 5, d4m5, 10, bits, 0), \ - MAX1363_CHAN_B(6, 7, d6m7, 11, bits, 0), \ - MAX1363_CHAN_B(1, 0, d1m0, 12, bits, 0), \ - MAX1363_CHAN_B(3, 2, d3m2, 13, bits, 0), \ - MAX1363_CHAN_B(5, 4, d5m4, 14, bits, 0), \ - MAX1363_CHAN_B(7, 6, d7m6, 15, bits, 0), \ - IIO_CHAN_SOFT_TIMESTAMP(16) \ -} -static const struct iio_chan_spec max11602_channels[] = MAX1363_8X_CHANS(8); -static const struct iio_chan_spec max11608_channels[] = MAX1363_8X_CHANS(10); -static const struct iio_chan_spec max11614_channels[] = MAX1363_8X_CHANS(12); - -static const enum max1363_modes max11644_mode_list[] = { - _s0, _s1, s0to1, d0m1, d1m0, -}; - -#define MAX1363_2X_CHANS(bits) { \ - MAX1363_CHAN_U(0, _s0, 0, bits, 0), \ - MAX1363_CHAN_U(1, _s1, 1, bits, 0), \ - MAX1363_CHAN_B(0, 1, d0m1, 2, bits, 0), \ - MAX1363_CHAN_B(1, 0, d1m0, 3, bits, 0), \ - IIO_CHAN_SOFT_TIMESTAMP(4) \ - } - -static const struct iio_chan_spec max11646_channels[] = MAX1363_2X_CHANS(10); -static const struct iio_chan_spec max11644_channels[] = MAX1363_2X_CHANS(12); - -enum { max1361, - max1362, - max1363, - max1364, - max1036, - max1037, - max1038, - max1039, - max1136, - max1137, - max1138, - max1139, - max1236, - max1237, - max1238, - max1239, - max11600, - max11601, - max11602, - max11603, - max11604, - max11605, - max11606, - max11607, - max11608, - max11609, - max11610, - max11611, - max11612, - max11613, - max11614, - max11615, - max11616, - max11617, - max11644, - max11645, - max11646, - max11647 -}; - -static const int max1363_monitor_speeds[] = { 133000, 665000, 33300, 16600, - 8300, 4200, 2000, 1000 }; - -static ssize_t max1363_monitor_show_freq(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct max1363_state *st = iio_priv(dev_to_iio_dev(dev)); - return sprintf(buf, "%d\n", max1363_monitor_speeds[st->monitor_speed]); -} - -static ssize_t max1363_monitor_store_freq(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct max1363_state *st = iio_priv(indio_dev); - int i, ret; - unsigned long val; - bool found = false; - - ret = strict_strtoul(buf, 10, &val); - if (ret) - return -EINVAL; - for (i = 0; i < ARRAY_SIZE(max1363_monitor_speeds); i++) - if (val == max1363_monitor_speeds[i]) { - found = true; - break; - } - if (!found) - return -EINVAL; - - mutex_lock(&indio_dev->mlock); - st->monitor_speed = i; - mutex_unlock(&indio_dev->mlock); - - return 0; -} - -static IIO_DEV_ATTR_SAMP_FREQ(S_IRUGO | S_IWUSR, - max1363_monitor_show_freq, - max1363_monitor_store_freq); - -static IIO_CONST_ATTR(sampling_frequency_available, - "133000 665000 33300 16600 8300 4200 2000 1000"); - -static int max1363_read_thresh(struct iio_dev *indio_dev, - u64 event_code, - int *val) -{ - struct max1363_state *st = iio_priv(indio_dev); - if (IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_FALLING) - *val = st->thresh_low[IIO_EVENT_CODE_EXTRACT_CHAN(event_code)]; - else - *val = st->thresh_high[IIO_EVENT_CODE_EXTRACT_CHAN(event_code)]; - return 0; -} - -static int max1363_write_thresh(struct iio_dev *indio_dev, - u64 event_code, - int val) -{ - struct max1363_state *st = iio_priv(indio_dev); - /* make it handle signed correctly as well */ - switch (st->chip_info->bits) { - case 10: - if (val > 0x3FF) - return -EINVAL; - break; - case 12: - if (val > 0xFFF) - return -EINVAL; - break; - } - - switch (IIO_EVENT_CODE_EXTRACT_DIR(event_code)) { - case IIO_EV_DIR_FALLING: - st->thresh_low[IIO_EVENT_CODE_EXTRACT_CHAN(event_code)] = val; - break; - case IIO_EV_DIR_RISING: - st->thresh_high[IIO_EVENT_CODE_EXTRACT_CHAN(event_code)] = val; - break; - } - - return 0; -} - -static const u64 max1363_event_codes[] = { - IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 0, - IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING), - IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 1, - IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING), - IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 2, - IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING), - IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 3, - IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING), - IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 0, - IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING), - IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 1, - IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING), - IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 2, - IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING), - IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 3, - IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING), -}; - -static irqreturn_t max1363_event_handler(int irq, void *private) -{ - struct iio_dev *indio_dev = private; - struct max1363_state *st = iio_priv(indio_dev); - s64 timestamp = iio_get_time_ns(); - unsigned long mask, loc; - u8 rx; - u8 tx[2] = { st->setupbyte, - MAX1363_MON_INT_ENABLE | (st->monitor_speed << 1) | 0xF0 }; - - i2c_master_recv(st->client, &rx, 1); - mask = rx; - for_each_set_bit(loc, &mask, 8) - iio_push_event(indio_dev, max1363_event_codes[loc], timestamp); - i2c_master_send(st->client, tx, 2); - - return IRQ_HANDLED; -} - -static int max1363_read_event_config(struct iio_dev *indio_dev, - u64 event_code) -{ - struct max1363_state *st = iio_priv(indio_dev); - - int val; - int number = IIO_EVENT_CODE_EXTRACT_CHAN(event_code); - mutex_lock(&indio_dev->mlock); - if (IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_FALLING) - val = (1 << number) & st->mask_low; - else - val = (1 << number) & st->mask_high; - mutex_unlock(&indio_dev->mlock); - - return val; -} - -static int max1363_monitor_mode_update(struct max1363_state *st, int enabled) -{ - u8 *tx_buf; - int ret, i = 3, j; - unsigned long numelements; - int len; - const long *modemask; - - if (!enabled) { - /* transition to ring capture is not currently supported */ - st->setupbyte &= ~MAX1363_SETUP_MONITOR_SETUP; - st->configbyte &= ~MAX1363_SCAN_MASK; - st->monitor_on = false; - return max1363_write_basic_config(st->client, - st->setupbyte, - st->configbyte); - } - - /* Ensure we are in the relevant mode */ - st->setupbyte |= MAX1363_SETUP_MONITOR_SETUP; - st->configbyte &= ~(MAX1363_CHANNEL_SEL_MASK - | MAX1363_SCAN_MASK - | MAX1363_SE_DE_MASK); - st->configbyte |= MAX1363_CONFIG_SCAN_MONITOR_MODE; - if ((st->mask_low | st->mask_high) & 0x0F) { - st->configbyte |= max1363_mode_table[s0to3].conf; - modemask = max1363_mode_table[s0to3].modemask; - } else if ((st->mask_low | st->mask_high) & 0x30) { - st->configbyte |= max1363_mode_table[d0m1to2m3].conf; - modemask = max1363_mode_table[d0m1to2m3].modemask; - } else { - st->configbyte |= max1363_mode_table[d1m0to3m2].conf; - modemask = max1363_mode_table[d1m0to3m2].modemask; - } - numelements = bitmap_weight(modemask, MAX1363_MAX_CHANNELS); - len = 3 * numelements + 3; - tx_buf = kmalloc(len, GFP_KERNEL); - if (!tx_buf) { - ret = -ENOMEM; - goto error_ret; - } - tx_buf[0] = st->configbyte; - tx_buf[1] = st->setupbyte; - tx_buf[2] = (st->monitor_speed << 1); - - /* - * So we need to do yet another bit of nefarious scan mode - * setup to match what we need. - */ - for (j = 0; j < 8; j++) - if (test_bit(j, modemask)) { - /* Establish the mode is in the scan */ - if (st->mask_low & (1 << j)) { - tx_buf[i] = (st->thresh_low[j] >> 4) & 0xFF; - tx_buf[i + 1] = (st->thresh_low[j] << 4) & 0xF0; - } else if (j < 4) { - tx_buf[i] = 0; - tx_buf[i + 1] = 0; - } else { - tx_buf[i] = 0x80; - tx_buf[i + 1] = 0; - } - if (st->mask_high & (1 << j)) { - tx_buf[i + 1] |= - (st->thresh_high[j] >> 8) & 0x0F; - tx_buf[i + 2] = st->thresh_high[j] & 0xFF; - } else if (j < 4) { - tx_buf[i + 1] |= 0x0F; - tx_buf[i + 2] = 0xFF; - } else { - tx_buf[i + 1] |= 0x07; - tx_buf[i + 2] = 0xFF; - } - i += 3; - } - - - ret = i2c_master_send(st->client, tx_buf, len); - if (ret < 0) - goto error_ret; - if (ret != len) { - ret = -EIO; - goto error_ret; - } - - /* - * Now that we hopefully have sensible thresholds in place it is - * time to turn the interrupts on. - * It is unclear from the data sheet if this should be necessary - * (i.e. whether monitor mode setup is atomic) but it appears to - * be in practice. - */ - tx_buf[0] = st->setupbyte; - tx_buf[1] = MAX1363_MON_INT_ENABLE | (st->monitor_speed << 1) | 0xF0; - ret = i2c_master_send(st->client, tx_buf, 2); - if (ret < 0) - goto error_ret; - if (ret != 2) { - ret = -EIO; - goto error_ret; - } - ret = 0; - st->monitor_on = true; -error_ret: - - kfree(tx_buf); - - return ret; -} - -/* - * To keep this manageable we always use one of 3 scan modes. - * Scan 0...3, 0-1,2-3 and 1-0,3-2 - */ - -static inline int __max1363_check_event_mask(int thismask, int checkmask) -{ - int ret = 0; - /* Is it unipolar */ - if (thismask < 4) { - if (checkmask & ~0x0F) { - ret = -EBUSY; - goto error_ret; - } - } else if (thismask < 6) { - if (checkmask & ~0x30) { - ret = -EBUSY; - goto error_ret; - } - } else if (checkmask & ~0xC0) - ret = -EBUSY; -error_ret: - return ret; -} - -static int max1363_write_event_config(struct iio_dev *indio_dev, - u64 event_code, - int state) -{ - int ret = 0; - struct max1363_state *st = iio_priv(indio_dev); - u16 unifiedmask; - int number = IIO_EVENT_CODE_EXTRACT_CHAN(event_code); - - mutex_lock(&indio_dev->mlock); - unifiedmask = st->mask_low | st->mask_high; - if (IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_FALLING) { - - if (state == 0) - st->mask_low &= ~(1 << number); - else { - ret = __max1363_check_event_mask((1 << number), - unifiedmask); - if (ret) - goto error_ret; - st->mask_low |= (1 << number); - } - } else { - if (state == 0) - st->mask_high &= ~(1 << number); - else { - ret = __max1363_check_event_mask((1 << number), - unifiedmask); - if (ret) - goto error_ret; - st->mask_high |= (1 << number); - } - } - - max1363_monitor_mode_update(st, !!(st->mask_high | st->mask_low)); -error_ret: - mutex_unlock(&indio_dev->mlock); - - return ret; -} - -/* - * As with scan_elements, only certain sets of these can - * be combined. - */ -static struct attribute *max1363_event_attributes[] = { - &iio_dev_attr_sampling_frequency.dev_attr.attr, - &iio_const_attr_sampling_frequency_available.dev_attr.attr, - NULL, -}; - -static struct attribute_group max1363_event_attribute_group = { - .attrs = max1363_event_attributes, - .name = "events", -}; - -#define MAX1363_EVENT_FUNCS \ - - -static const struct iio_info max1238_info = { - .read_raw = &max1363_read_raw, - .driver_module = THIS_MODULE, - .update_scan_mode = &max1363_update_scan_mode, -}; - -static const struct iio_info max1363_info = { - .read_event_value = &max1363_read_thresh, - .write_event_value = &max1363_write_thresh, - .read_event_config = &max1363_read_event_config, - .write_event_config = &max1363_write_event_config, - .read_raw = &max1363_read_raw, - .update_scan_mode = &max1363_update_scan_mode, - .driver_module = THIS_MODULE, - .event_attrs = &max1363_event_attribute_group, -}; - -/* max1363 and max1368 tested - rest from data sheet */ -static const struct max1363_chip_info max1363_chip_info_tbl[] = { - [max1361] = { - .bits = 10, - .int_vref_mv = 2048, - .mode_list = max1363_mode_list, - .num_modes = ARRAY_SIZE(max1363_mode_list), - .default_mode = s0to3, - .channels = max1361_channels, - .num_channels = ARRAY_SIZE(max1361_channels), - .info = &max1363_info, - }, - [max1362] = { - .bits = 10, - .int_vref_mv = 4096, - .mode_list = max1363_mode_list, - .num_modes = ARRAY_SIZE(max1363_mode_list), - .default_mode = s0to3, - .channels = max1361_channels, - .num_channels = ARRAY_SIZE(max1361_channels), - .info = &max1363_info, - }, - [max1363] = { - .bits = 12, - .int_vref_mv = 2048, - .mode_list = max1363_mode_list, - .num_modes = ARRAY_SIZE(max1363_mode_list), - .default_mode = s0to3, - .channels = max1363_channels, - .num_channels = ARRAY_SIZE(max1363_channels), - .info = &max1363_info, - }, - [max1364] = { - .bits = 12, - .int_vref_mv = 4096, - .mode_list = max1363_mode_list, - .num_modes = ARRAY_SIZE(max1363_mode_list), - .default_mode = s0to3, - .channels = max1363_channels, - .num_channels = ARRAY_SIZE(max1363_channels), - .info = &max1363_info, - }, - [max1036] = { - .bits = 8, - .int_vref_mv = 4096, - .mode_list = max1236_mode_list, - .num_modes = ARRAY_SIZE(max1236_mode_list), - .default_mode = s0to3, - .info = &max1238_info, - .channels = max1036_channels, - .num_channels = ARRAY_SIZE(max1036_channels), - }, - [max1037] = { - .bits = 8, - .int_vref_mv = 2048, - .mode_list = max1236_mode_list, - .num_modes = ARRAY_SIZE(max1236_mode_list), - .default_mode = s0to3, - .info = &max1238_info, - .channels = max1036_channels, - .num_channels = ARRAY_SIZE(max1036_channels), - }, - [max1038] = { - .bits = 8, - .int_vref_mv = 4096, - .mode_list = max1238_mode_list, - .num_modes = ARRAY_SIZE(max1238_mode_list), - .default_mode = s0to11, - .info = &max1238_info, - .channels = max1038_channels, - .num_channels = ARRAY_SIZE(max1038_channels), - }, - [max1039] = { - .bits = 8, - .int_vref_mv = 2048, - .mode_list = max1238_mode_list, - .num_modes = ARRAY_SIZE(max1238_mode_list), - .default_mode = s0to11, - .info = &max1238_info, - .channels = max1038_channels, - .num_channels = ARRAY_SIZE(max1038_channels), - }, - [max1136] = { - .bits = 10, - .int_vref_mv = 4096, - .mode_list = max1236_mode_list, - .num_modes = ARRAY_SIZE(max1236_mode_list), - .default_mode = s0to3, - .info = &max1238_info, - .channels = max1136_channels, - .num_channels = ARRAY_SIZE(max1136_channels), - }, - [max1137] = { - .bits = 10, - .int_vref_mv = 2048, - .mode_list = max1236_mode_list, - .num_modes = ARRAY_SIZE(max1236_mode_list), - .default_mode = s0to3, - .info = &max1238_info, - .channels = max1136_channels, - .num_channels = ARRAY_SIZE(max1136_channels), - }, - [max1138] = { - .bits = 10, - .int_vref_mv = 4096, - .mode_list = max1238_mode_list, - .num_modes = ARRAY_SIZE(max1238_mode_list), - .default_mode = s0to11, - .info = &max1238_info, - .channels = max1138_channels, - .num_channels = ARRAY_SIZE(max1138_channels), - }, - [max1139] = { - .bits = 10, - .int_vref_mv = 2048, - .mode_list = max1238_mode_list, - .num_modes = ARRAY_SIZE(max1238_mode_list), - .default_mode = s0to11, - .info = &max1238_info, - .channels = max1138_channels, - .num_channels = ARRAY_SIZE(max1138_channels), - }, - [max1236] = { - .bits = 12, - .int_vref_mv = 4096, - .mode_list = max1236_mode_list, - .num_modes = ARRAY_SIZE(max1236_mode_list), - .default_mode = s0to3, - .info = &max1238_info, - .channels = max1236_channels, - .num_channels = ARRAY_SIZE(max1236_channels), - }, - [max1237] = { - .bits = 12, - .int_vref_mv = 2048, - .mode_list = max1236_mode_list, - .num_modes = ARRAY_SIZE(max1236_mode_list), - .default_mode = s0to3, - .info = &max1238_info, - .channels = max1236_channels, - .num_channels = ARRAY_SIZE(max1236_channels), - }, - [max1238] = { - .bits = 12, - .int_vref_mv = 4096, - .mode_list = max1238_mode_list, - .num_modes = ARRAY_SIZE(max1238_mode_list), - .default_mode = s0to11, - .info = &max1238_info, - .channels = max1238_channels, - .num_channels = ARRAY_SIZE(max1238_channels), - }, - [max1239] = { - .bits = 12, - .int_vref_mv = 2048, - .mode_list = max1238_mode_list, - .num_modes = ARRAY_SIZE(max1238_mode_list), - .default_mode = s0to11, - .info = &max1238_info, - .channels = max1238_channels, - .num_channels = ARRAY_SIZE(max1238_channels), - }, - [max11600] = { - .bits = 8, - .int_vref_mv = 4096, - .mode_list = max11607_mode_list, - .num_modes = ARRAY_SIZE(max11607_mode_list), - .default_mode = s0to3, - .info = &max1238_info, - .channels = max1036_channels, - .num_channels = ARRAY_SIZE(max1036_channels), - }, - [max11601] = { - .bits = 8, - .int_vref_mv = 2048, - .mode_list = max11607_mode_list, - .num_modes = ARRAY_SIZE(max11607_mode_list), - .default_mode = s0to3, - .info = &max1238_info, - .channels = max1036_channels, - .num_channels = ARRAY_SIZE(max1036_channels), - }, - [max11602] = { - .bits = 8, - .int_vref_mv = 4096, - .mode_list = max11608_mode_list, - .num_modes = ARRAY_SIZE(max11608_mode_list), - .default_mode = s0to7, - .info = &max1238_info, - .channels = max11602_channels, - .num_channels = ARRAY_SIZE(max11602_channels), - }, - [max11603] = { - .bits = 8, - .int_vref_mv = 2048, - .mode_list = max11608_mode_list, - .num_modes = ARRAY_SIZE(max11608_mode_list), - .default_mode = s0to7, - .info = &max1238_info, - .channels = max11602_channels, - .num_channels = ARRAY_SIZE(max11602_channels), - }, - [max11604] = { - .bits = 8, - .int_vref_mv = 4098, - .mode_list = max1238_mode_list, - .num_modes = ARRAY_SIZE(max1238_mode_list), - .default_mode = s0to11, - .info = &max1238_info, - .channels = max1238_channels, - .num_channels = ARRAY_SIZE(max1238_channels), - }, - [max11605] = { - .bits = 8, - .int_vref_mv = 2048, - .mode_list = max1238_mode_list, - .num_modes = ARRAY_SIZE(max1238_mode_list), - .default_mode = s0to11, - .info = &max1238_info, - .channels = max1238_channels, - .num_channels = ARRAY_SIZE(max1238_channels), - }, - [max11606] = { - .bits = 10, - .int_vref_mv = 4096, - .mode_list = max11607_mode_list, - .num_modes = ARRAY_SIZE(max11607_mode_list), - .default_mode = s0to3, - .info = &max1238_info, - .channels = max1136_channels, - .num_channels = ARRAY_SIZE(max1136_channels), - }, - [max11607] = { - .bits = 10, - .int_vref_mv = 2048, - .mode_list = max11607_mode_list, - .num_modes = ARRAY_SIZE(max11607_mode_list), - .default_mode = s0to3, - .info = &max1238_info, - .channels = max1136_channels, - .num_channels = ARRAY_SIZE(max1136_channels), - }, - [max11608] = { - .bits = 10, - .int_vref_mv = 4096, - .mode_list = max11608_mode_list, - .num_modes = ARRAY_SIZE(max11608_mode_list), - .default_mode = s0to7, - .info = &max1238_info, - .channels = max11608_channels, - .num_channels = ARRAY_SIZE(max11608_channels), - }, - [max11609] = { - .bits = 10, - .int_vref_mv = 2048, - .mode_list = max11608_mode_list, - .num_modes = ARRAY_SIZE(max11608_mode_list), - .default_mode = s0to7, - .info = &max1238_info, - .channels = max11608_channels, - .num_channels = ARRAY_SIZE(max11608_channels), - }, - [max11610] = { - .bits = 10, - .int_vref_mv = 4098, - .mode_list = max1238_mode_list, - .num_modes = ARRAY_SIZE(max1238_mode_list), - .default_mode = s0to11, - .info = &max1238_info, - .channels = max1238_channels, - .num_channels = ARRAY_SIZE(max1238_channels), - }, - [max11611] = { - .bits = 10, - .int_vref_mv = 2048, - .mode_list = max1238_mode_list, - .num_modes = ARRAY_SIZE(max1238_mode_list), - .default_mode = s0to11, - .info = &max1238_info, - .channels = max1238_channels, - .num_channels = ARRAY_SIZE(max1238_channels), - }, - [max11612] = { - .bits = 12, - .int_vref_mv = 4096, - .mode_list = max11607_mode_list, - .num_modes = ARRAY_SIZE(max11607_mode_list), - .default_mode = s0to3, - .info = &max1238_info, - .channels = max1363_channels, - .num_channels = ARRAY_SIZE(max1363_channels), - }, - [max11613] = { - .bits = 12, - .int_vref_mv = 2048, - .mode_list = max11607_mode_list, - .num_modes = ARRAY_SIZE(max11607_mode_list), - .default_mode = s0to3, - .info = &max1238_info, - .channels = max1363_channels, - .num_channels = ARRAY_SIZE(max1363_channels), - }, - [max11614] = { - .bits = 12, - .int_vref_mv = 4096, - .mode_list = max11608_mode_list, - .num_modes = ARRAY_SIZE(max11608_mode_list), - .default_mode = s0to7, - .info = &max1238_info, - .channels = max11614_channels, - .num_channels = ARRAY_SIZE(max11614_channels), - }, - [max11615] = { - .bits = 12, - .int_vref_mv = 2048, - .mode_list = max11608_mode_list, - .num_modes = ARRAY_SIZE(max11608_mode_list), - .default_mode = s0to7, - .info = &max1238_info, - .channels = max11614_channels, - .num_channels = ARRAY_SIZE(max11614_channels), - }, - [max11616] = { - .bits = 12, - .int_vref_mv = 4098, - .mode_list = max1238_mode_list, - .num_modes = ARRAY_SIZE(max1238_mode_list), - .default_mode = s0to11, - .info = &max1238_info, - .channels = max1238_channels, - .num_channels = ARRAY_SIZE(max1238_channels), - }, - [max11617] = { - .bits = 12, - .int_vref_mv = 2048, - .mode_list = max1238_mode_list, - .num_modes = ARRAY_SIZE(max1238_mode_list), - .default_mode = s0to11, - .info = &max1238_info, - .channels = max1238_channels, - .num_channels = ARRAY_SIZE(max1238_channels), - }, - [max11644] = { - .bits = 12, - .int_vref_mv = 2048, - .mode_list = max11644_mode_list, - .num_modes = ARRAY_SIZE(max11644_mode_list), - .default_mode = s0to1, - .info = &max1238_info, - .channels = max11644_channels, - .num_channels = ARRAY_SIZE(max11644_channels), - }, - [max11645] = { - .bits = 12, - .int_vref_mv = 4096, - .mode_list = max11644_mode_list, - .num_modes = ARRAY_SIZE(max11644_mode_list), - .default_mode = s0to1, - .info = &max1238_info, - .channels = max11644_channels, - .num_channels = ARRAY_SIZE(max11644_channels), - }, - [max11646] = { - .bits = 10, - .int_vref_mv = 2048, - .mode_list = max11644_mode_list, - .num_modes = ARRAY_SIZE(max11644_mode_list), - .default_mode = s0to1, - .info = &max1238_info, - .channels = max11646_channels, - .num_channels = ARRAY_SIZE(max11646_channels), - }, - [max11647] = { - .bits = 10, - .int_vref_mv = 4096, - .mode_list = max11644_mode_list, - .num_modes = ARRAY_SIZE(max11644_mode_list), - .default_mode = s0to1, - .info = &max1238_info, - .channels = max11646_channels, - .num_channels = ARRAY_SIZE(max11646_channels), - }, -}; - - - -static int max1363_initial_setup(struct max1363_state *st) -{ - st->setupbyte = MAX1363_SETUP_AIN3_IS_AIN3_REF_IS_VDD - | MAX1363_SETUP_POWER_UP_INT_REF - | MAX1363_SETUP_INT_CLOCK - | MAX1363_SETUP_UNIPOLAR - | MAX1363_SETUP_NORESET; - - /* Set scan mode writes the config anyway so wait until then*/ - st->setupbyte = MAX1363_SETUP_BYTE(st->setupbyte); - st->current_mode = &max1363_mode_table[st->chip_info->default_mode]; - st->configbyte = MAX1363_CONFIG_BYTE(st->configbyte); - - return max1363_set_scan_mode(st); -} - -static int __devinit max1363_alloc_scan_masks(struct iio_dev *indio_dev) -{ - struct max1363_state *st = iio_priv(indio_dev); - unsigned long *masks; - int i; - - masks = kzalloc(BITS_TO_LONGS(MAX1363_MAX_CHANNELS)*sizeof(long)* - (st->chip_info->num_modes + 1), GFP_KERNEL); - if (!masks) - return -ENOMEM; - - for (i = 0; i < st->chip_info->num_modes; i++) - bitmap_copy(masks + BITS_TO_LONGS(MAX1363_MAX_CHANNELS)*i, - max1363_mode_table[st->chip_info->mode_list[i]] - .modemask, MAX1363_MAX_CHANNELS); - - indio_dev->available_scan_masks = masks; - - return 0; -} - -static int __devinit max1363_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - int ret; - struct max1363_state *st; - struct iio_dev *indio_dev; - struct regulator *reg; - - reg = regulator_get(&client->dev, "vcc"); - if (IS_ERR(reg)) { - ret = PTR_ERR(reg); - goto error_out; - } - - ret = regulator_enable(reg); - if (ret) - goto error_put_reg; - - indio_dev = iio_device_alloc(sizeof(struct max1363_state)); - if (indio_dev == NULL) { - ret = -ENOMEM; - goto error_disable_reg; - } - ret = iio_map_array_register(indio_dev, client->dev.platform_data); - if (ret < 0) - goto error_free_device; - st = iio_priv(indio_dev); - st->reg = reg; - /* this is only used for device removal purposes */ - i2c_set_clientdata(client, indio_dev); - - st->chip_info = &max1363_chip_info_tbl[id->driver_data]; - st->client = client; - - ret = max1363_alloc_scan_masks(indio_dev); - if (ret) - goto error_unregister_map; - - /* Estabilish that the iio_dev is a child of the i2c device */ - indio_dev->dev.parent = &client->dev; - indio_dev->name = id->name; - indio_dev->channels = st->chip_info->channels; - indio_dev->num_channels = st->chip_info->num_channels; - indio_dev->info = st->chip_info->info; - indio_dev->modes = INDIO_DIRECT_MODE; - indio_dev->channels = st->chip_info->channels; - indio_dev->num_channels = st->chip_info->num_channels; - ret = max1363_initial_setup(st); - if (ret < 0) - goto error_free_available_scan_masks; - - ret = max1363_register_ring_funcs_and_init(indio_dev); - if (ret) - goto error_free_available_scan_masks; - - ret = iio_buffer_register(indio_dev, - st->chip_info->channels, - st->chip_info->num_channels); - if (ret) - goto error_cleanup_ring; - - if (client->irq) { - ret = request_threaded_irq(st->client->irq, - NULL, - &max1363_event_handler, - IRQF_TRIGGER_RISING | IRQF_ONESHOT, - "max1363_event", - indio_dev); - - if (ret) - goto error_uninit_ring; - } - - ret = iio_device_register(indio_dev); - if (ret < 0) - goto error_free_irq; - - return 0; -error_free_irq: - free_irq(st->client->irq, indio_dev); -error_uninit_ring: - iio_buffer_unregister(indio_dev); -error_cleanup_ring: - max1363_ring_cleanup(indio_dev); -error_free_available_scan_masks: - kfree(indio_dev->available_scan_masks); -error_unregister_map: - iio_map_array_unregister(indio_dev, client->dev.platform_data); -error_free_device: - iio_device_free(indio_dev); -error_disable_reg: - regulator_disable(reg); -error_put_reg: - regulator_put(reg); -error_out: - return ret; -} - -static int __devexit max1363_remove(struct i2c_client *client) -{ - struct iio_dev *indio_dev = i2c_get_clientdata(client); - struct max1363_state *st = iio_priv(indio_dev); - struct regulator *reg = st->reg; - - iio_device_unregister(indio_dev); - if (client->irq) - free_irq(st->client->irq, indio_dev); - iio_buffer_unregister(indio_dev); - max1363_ring_cleanup(indio_dev); - kfree(indio_dev->available_scan_masks); - if (!IS_ERR(reg)) { - regulator_disable(reg); - regulator_put(reg); - } - iio_map_array_unregister(indio_dev, client->dev.platform_data); - iio_device_free(indio_dev); - - return 0; -} - -static const struct i2c_device_id max1363_id[] = { - { "max1361", max1361 }, - { "max1362", max1362 }, - { "max1363", max1363 }, - { "max1364", max1364 }, - { "max1036", max1036 }, - { "max1037", max1037 }, - { "max1038", max1038 }, - { "max1039", max1039 }, - { "max1136", max1136 }, - { "max1137", max1137 }, - { "max1138", max1138 }, - { "max1139", max1139 }, - { "max1236", max1236 }, - { "max1237", max1237 }, - { "max1238", max1238 }, - { "max1239", max1239 }, - { "max11600", max11600 }, - { "max11601", max11601 }, - { "max11602", max11602 }, - { "max11603", max11603 }, - { "max11604", max11604 }, - { "max11605", max11605 }, - { "max11606", max11606 }, - { "max11607", max11607 }, - { "max11608", max11608 }, - { "max11609", max11609 }, - { "max11610", max11610 }, - { "max11611", max11611 }, - { "max11612", max11612 }, - { "max11613", max11613 }, - { "max11614", max11614 }, - { "max11615", max11615 }, - { "max11616", max11616 }, - { "max11617", max11617 }, - {} -}; - -MODULE_DEVICE_TABLE(i2c, max1363_id); - -static struct i2c_driver max1363_driver = { - .driver = { - .name = "max1363", - }, - .probe = max1363_probe, - .remove = __devexit_p(max1363_remove), - .id_table = max1363_id, -}; -module_i2c_driver(max1363_driver); - -MODULE_AUTHOR("Jonathan Cameron <jic23@kernel.org>"); -MODULE_DESCRIPTION("Maxim 1363 ADC"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/iio/adc/max1363_ring.c b/drivers/staging/iio/adc/max1363_ring.c deleted file mode 100644 index 5f74f3b7671a..000000000000 --- a/drivers/staging/iio/adc/max1363_ring.c +++ /dev/null @@ -1,139 +0,0 @@ -/* - * Copyright (C) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * max1363_ring.c - */ - -#include <linux/interrupt.h> -#include <linux/slab.h> -#include <linux/kernel.h> -#include <linux/i2c.h> -#include <linux/bitops.h> - -#include <linux/iio/iio.h> -#include <linux/iio/buffer.h> -#include "../ring_sw.h" -#include <linux/iio/trigger_consumer.h> - -#include "max1363.h" - -int max1363_update_scan_mode(struct iio_dev *indio_dev, - const unsigned long *scan_mask) -{ - struct max1363_state *st = iio_priv(indio_dev); - - /* - * Need to figure out the current mode based upon the requested - * scan mask in iio_dev - */ - st->current_mode = max1363_match_mode(scan_mask, st->chip_info); - if (!st->current_mode) - return -EINVAL; - max1363_set_scan_mode(st); - return 0; -} - -static irqreturn_t max1363_trigger_handler(int irq, void *p) -{ - struct iio_poll_func *pf = p; - struct iio_dev *indio_dev = pf->indio_dev; - struct max1363_state *st = iio_priv(indio_dev); - s64 time_ns; - __u8 *rxbuf; - int b_sent; - size_t d_size; - unsigned long numvals = bitmap_weight(st->current_mode->modemask, - MAX1363_MAX_CHANNELS); - - /* Ensure the timestamp is 8 byte aligned */ - if (st->chip_info->bits != 8) - d_size = numvals*2; - else - d_size = numvals; - if (indio_dev->scan_timestamp) { - d_size += sizeof(s64); - if (d_size % sizeof(s64)) - d_size += sizeof(s64) - (d_size % sizeof(s64)); - } - /* Monitor mode prevents reading. Whilst not currently implemented - * might as well have this test in here in the meantime as it does - * no harm. - */ - if (numvals == 0) - goto done; - - rxbuf = kmalloc(d_size, GFP_KERNEL); - if (rxbuf == NULL) - goto done; - if (st->chip_info->bits != 8) - b_sent = i2c_master_recv(st->client, rxbuf, numvals*2); - else - b_sent = i2c_master_recv(st->client, rxbuf, numvals); - if (b_sent < 0) - goto done_free; - - time_ns = iio_get_time_ns(); - - if (indio_dev->scan_timestamp) - memcpy(rxbuf + d_size - sizeof(s64), &time_ns, sizeof(time_ns)); - iio_push_to_buffer(indio_dev->buffer, rxbuf); - -done_free: - kfree(rxbuf); -done: - iio_trigger_notify_done(indio_dev->trig); - - return IRQ_HANDLED; -} - -static const struct iio_buffer_setup_ops max1363_ring_setup_ops = { - .postenable = &iio_triggered_buffer_postenable, - .preenable = &iio_sw_buffer_preenable, - .predisable = &iio_triggered_buffer_predisable, -}; - -int max1363_register_ring_funcs_and_init(struct iio_dev *indio_dev) -{ - struct max1363_state *st = iio_priv(indio_dev); - int ret = 0; - - indio_dev->buffer = iio_sw_rb_allocate(indio_dev); - if (!indio_dev->buffer) { - ret = -ENOMEM; - goto error_ret; - } - indio_dev->pollfunc = iio_alloc_pollfunc(NULL, - &max1363_trigger_handler, - IRQF_ONESHOT, - indio_dev, - "%s_consumer%d", - st->client->name, - indio_dev->id); - if (indio_dev->pollfunc == NULL) { - ret = -ENOMEM; - goto error_deallocate_sw_rb; - } - /* Ring buffer functions - here trigger setup related */ - indio_dev->setup_ops = &max1363_ring_setup_ops; - - /* Flag that polled ring buffering is possible */ - indio_dev->modes |= INDIO_BUFFER_TRIGGERED; - - return 0; - -error_deallocate_sw_rb: - iio_sw_rb_free(indio_dev->buffer); -error_ret: - return ret; -} - -void max1363_ring_cleanup(struct iio_dev *indio_dev) -{ - /* ensure that the trigger has been detached */ - iio_dealloc_pollfunc(indio_dev->pollfunc); - iio_sw_rb_free(indio_dev->buffer); -} diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c index ca7c1fa88e71..fb31b457a56a 100644 --- a/drivers/staging/iio/adc/mxs-lradc.c +++ b/drivers/staging/iio/adc/mxs-lradc.c @@ -237,7 +237,6 @@ static irqreturn_t mxs_lradc_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *iio = pf->indio_dev; struct mxs_lradc *lradc = iio_priv(iio); - struct iio_buffer *buffer = iio->buffer; const uint32_t chan_value = LRADC_CH_ACCUMULATE | ((LRADC_DELAY_TIMER_LOOP - 1) << LRADC_CH_NUM_SAMPLES_OFFSET); int i, j = 0; @@ -256,7 +255,7 @@ static irqreturn_t mxs_lradc_trigger_handler(int irq, void *p) *timestamp = pf->timestamp; } - iio_push_to_buffer(buffer, (u8 *)lradc->buffer); + iio_push_to_buffers(iio, (u8 *)lradc->buffer); iio_trigger_notify_done(iio->trig); @@ -351,7 +350,7 @@ static int mxs_lradc_buffer_preenable(struct iio_dev *iio) writel(chan_value, lradc->base + LRADC_CH(ofs)); enable |= 1 << ofs; ofs++; - }; + } writel(LRADC_DELAY_TRIGGER_LRADCS_MASK | LRADC_DELAY_KICK, lradc->base + LRADC_DELAY(0) + STMP_OFFSET_REG_CLR); @@ -467,7 +466,7 @@ static void mxs_lradc_hw_stop(struct mxs_lradc *lradc) writel(0, lradc->base + LRADC_DELAY(i)); } -static int __devinit mxs_lradc_probe(struct platform_device *pdev) +static int mxs_lradc_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct mxs_lradc *lradc; @@ -552,7 +551,7 @@ err_addr: return ret; } -static int __devexit mxs_lradc_remove(struct platform_device *pdev) +static int mxs_lradc_remove(struct platform_device *pdev) { struct iio_dev *iio = platform_get_drvdata(pdev); struct mxs_lradc *lradc = iio_priv(iio); @@ -580,7 +579,7 @@ static struct platform_driver mxs_lradc_driver = { .of_match_table = mxs_lradc_dt_ids, }, .probe = mxs_lradc_probe, - .remove = __devexit_p(mxs_lradc_remove), + .remove = mxs_lradc_remove, }; module_platform_driver(mxs_lradc_driver); diff --git a/drivers/staging/iio/adc/spear_adc.c b/drivers/staging/iio/adc/spear_adc.c index 0b83e2e1f410..13052ceb2f2b 100644 --- a/drivers/staging/iio/adc/spear_adc.c +++ b/drivers/staging/iio/adc/spear_adc.c @@ -291,7 +291,7 @@ static const struct iio_info spear_adc_iio_info = { .driver_module = THIS_MODULE, }; -static int __devinit spear_adc_probe(struct platform_device *pdev) +static int spear_adc_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct device *dev = &pdev->dev; @@ -401,7 +401,7 @@ errout1: return ret; } -static int __devexit spear_adc_remove(struct platform_device *pdev) +static int spear_adc_remove(struct platform_device *pdev) { struct iio_dev *iodev = platform_get_drvdata(pdev); struct spear_adc_info *info = iio_priv(iodev); @@ -424,7 +424,7 @@ MODULE_DEVICE_TABLE(of, spear_adc_dt_ids); static struct platform_driver spear_adc_driver = { .probe = spear_adc_probe, - .remove = __devexit_p(spear_adc_remove), + .remove = spear_adc_remove, .driver = { .name = MOD_NAME, .owner = THIS_MODULE, diff --git a/drivers/staging/iio/addac/adt7316-i2c.c b/drivers/staging/iio/addac/adt7316-i2c.c index 9e128dd7d457..ce7d91cb331c 100644 --- a/drivers/staging/iio/addac/adt7316-i2c.c +++ b/drivers/staging/iio/addac/adt7316-i2c.c @@ -92,7 +92,7 @@ static int adt7316_i2c_multi_write(void *client, u8 reg, u8 count, u8 *data) * device probe and remove */ -static int __devinit adt7316_i2c_probe(struct i2c_client *client, +static int adt7316_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct adt7316_bus bus = { @@ -108,7 +108,7 @@ static int __devinit adt7316_i2c_probe(struct i2c_client *client, return adt7316_probe(&client->dev, &bus, id->name); } -static int __devexit adt7316_i2c_remove(struct i2c_client *client) +static int adt7316_i2c_remove(struct i2c_client *client) { return adt7316_remove(&client->dev); } @@ -132,7 +132,7 @@ static struct i2c_driver adt7316_driver = { .owner = THIS_MODULE, }, .probe = adt7316_i2c_probe, - .remove = __devexit_p(adt7316_i2c_remove), + .remove = adt7316_i2c_remove, .id_table = adt7316_i2c_id, }; module_i2c_driver(adt7316_driver); diff --git a/drivers/staging/iio/addac/adt7316-spi.c b/drivers/staging/iio/addac/adt7316-spi.c index 985f7d8a6eb2..0db8ef5835a0 100644 --- a/drivers/staging/iio/addac/adt7316-spi.c +++ b/drivers/staging/iio/addac/adt7316-spi.c @@ -89,7 +89,7 @@ static int adt7316_spi_write(void *client, u8 reg, u8 val) * device probe and remove */ -static int __devinit adt7316_spi_probe(struct spi_device *spi_dev) +static int adt7316_spi_probe(struct spi_device *spi_dev) { struct adt7316_bus bus = { .client = spi_dev, @@ -116,7 +116,7 @@ static int __devinit adt7316_spi_probe(struct spi_device *spi_dev) return adt7316_probe(&spi_dev->dev, &bus, spi_dev->modalias); } -static int __devexit adt7316_spi_remove(struct spi_device *spi_dev) +static int adt7316_spi_remove(struct spi_device *spi_dev) { return adt7316_remove(&spi_dev->dev); } @@ -140,7 +140,7 @@ static struct spi_driver adt7316_driver = { .owner = THIS_MODULE, }, .probe = adt7316_spi_probe, - .remove = __devexit_p(adt7316_spi_remove), + .remove = adt7316_spi_remove, .id_table = adt7316_spi_id, }; module_spi_driver(adt7316_driver); diff --git a/drivers/staging/iio/addac/adt7316.c b/drivers/staging/iio/addac/adt7316.c index 8fb014a046a2..0b431bc4f627 100644 --- a/drivers/staging/iio/addac/adt7316.c +++ b/drivers/staging/iio/addac/adt7316.c @@ -2125,7 +2125,7 @@ static const struct iio_info adt7516_info = { /* * device probe and remove */ -int __devinit adt7316_probe(struct device *dev, struct adt7316_bus *bus, +int adt7316_probe(struct device *dev, struct adt7316_bus *bus, const char *name) { struct adt7316_chip_info *chip; @@ -2216,7 +2216,7 @@ error_ret: } EXPORT_SYMBOL(adt7316_probe); -int __devexit adt7316_remove(struct device *dev) +int adt7316_remove(struct device *dev) { struct iio_dev *indio_dev = dev_get_drvdata(dev); struct adt7316_chip_info *chip = iio_priv(indio_dev); diff --git a/drivers/staging/iio/cdc/ad7150.c b/drivers/staging/iio/cdc/ad7150.c index 6a4041417d4e..3c608c14dd99 100644 --- a/drivers/staging/iio/cdc/ad7150.c +++ b/drivers/staging/iio/cdc/ad7150.c @@ -156,7 +156,7 @@ static int ad7150_read_event_config(struct iio_dev *indio_dev, u64 event_code) return !adaptive && (threshtype == 0x1); else return !adaptive && (threshtype == 0x0); - }; + } return -EINVAL; } @@ -194,7 +194,7 @@ static int ad7150_write_event_params(struct iio_dev *indio_dev, u64 event_code) break; default: return -EINVAL; - }; + } ret = i2c_smbus_write_byte_data(chip->client, ad7150_addresses[chan][4], sens); @@ -257,7 +257,7 @@ static int ad7150_write_event_config(struct iio_dev *indio_dev, default: ret = -EINVAL; goto error_ret; - }; + } cfg |= (!adaptive << 7) | (thresh_type << 5); @@ -327,7 +327,7 @@ static int ad7150_write_event_value(struct iio_dev *indio_dev, default: ret = -EINVAL; goto error_ret; - }; + } /* write back if active */ ret = ad7150_write_event_params(indio_dev, event_code); @@ -360,7 +360,7 @@ static ssize_t ad7150_show_timeout(struct device *dev, break; default: return -EINVAL; - }; + } return sprintf(buf, "%d\n", value); } @@ -394,7 +394,7 @@ static ssize_t ad7150_store_timeout(struct device *dev, default: ret = -EINVAL; goto error_ret; - }; + } ret = ad7150_write_event_params(indio_dev, this_attr->address); error_ret: @@ -551,7 +551,7 @@ static const struct iio_info ad7150_info = { * device probe and remove */ -static int __devinit ad7150_probe(struct i2c_client *client, +static int ad7150_probe(struct i2c_client *client, const struct i2c_device_id *id) { int ret; @@ -628,7 +628,7 @@ error_ret: return ret; } -static int __devexit ad7150_remove(struct i2c_client *client) +static int ad7150_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); @@ -658,7 +658,7 @@ static struct i2c_driver ad7150_driver = { .name = "ad7150", }, .probe = ad7150_probe, - .remove = __devexit_p(ad7150_remove), + .remove = ad7150_remove, .id_table = ad7150_id, }; module_i2c_driver(ad7150_driver); diff --git a/drivers/staging/iio/cdc/ad7152.c b/drivers/staging/iio/cdc/ad7152.c index 98c3015116aa..3c92ba3722a8 100644 --- a/drivers/staging/iio/cdc/ad7152.c +++ b/drivers/staging/iio/cdc/ad7152.c @@ -405,7 +405,7 @@ static int ad7152_read_raw(struct iio_dev *indio_dev, break; default: ret = -EINVAL; - }; + } out: mutex_unlock(&indio_dev->mlock); return ret; @@ -474,7 +474,7 @@ static const struct iio_chan_spec ad7152_channels[] = { * device probe and remove */ -static int __devinit ad7152_probe(struct i2c_client *client, +static int ad7152_probe(struct i2c_client *client, const struct i2c_device_id *id) { int ret = 0; @@ -518,7 +518,7 @@ error_ret: return ret; } -static int __devexit ad7152_remove(struct i2c_client *client) +static int ad7152_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); @@ -541,7 +541,7 @@ static struct i2c_driver ad7152_driver = { .name = KBUILD_MODNAME, }, .probe = ad7152_probe, - .remove = __devexit_p(ad7152_remove), + .remove = ad7152_remove, .id_table = ad7152_id, }; module_i2c_driver(ad7152_driver); diff --git a/drivers/staging/iio/cdc/ad7746.c b/drivers/staging/iio/cdc/ad7746.c index 754e11e87193..466b82ecfbe0 100644 --- a/drivers/staging/iio/cdc/ad7746.c +++ b/drivers/staging/iio/cdc/ad7746.c @@ -677,7 +677,7 @@ static int ad7746_read_raw(struct iio_dev *indio_dev, break; default: ret = -EINVAL; - }; + } out: mutex_unlock(&indio_dev->mlock); return ret; @@ -694,7 +694,7 @@ static const struct iio_info ad7746_info = { * device probe and remove */ -static int __devinit ad7746_probe(struct i2c_client *client, +static int ad7746_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct ad7746_platform_data *pdata = client->dev.platform_data; @@ -768,7 +768,7 @@ error_ret: return ret; } -static int __devexit ad7746_remove(struct i2c_client *client) +static int ad7746_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); @@ -792,7 +792,7 @@ static struct i2c_driver ad7746_driver = { .name = KBUILD_MODNAME, }, .probe = ad7746_probe, - .remove = __devexit_p(ad7746_remove), + .remove = ad7746_remove, .id_table = ad7746_id, }; module_i2c_driver(ad7746_driver); diff --git a/drivers/staging/iio/frequency/ad5930.c b/drivers/staging/iio/frequency/ad5930.c index 2d541d0eebef..23777be38b18 100644 --- a/drivers/staging/iio/frequency/ad5930.c +++ b/drivers/staging/iio/frequency/ad5930.c @@ -91,7 +91,7 @@ static const struct iio_info ad5930_info = { .driver_module = THIS_MODULE, }; -static int __devinit ad5930_probe(struct spi_device *spi) +static int ad5930_probe(struct spi_device *spi) { struct ad5930_state *st; struct iio_dev *idev; @@ -127,7 +127,7 @@ error_ret: return ret; } -static int __devexit ad5930_remove(struct spi_device *spi) +static int ad5930_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); iio_device_free(spi_get_drvdata(spi)); @@ -141,7 +141,7 @@ static struct spi_driver ad5930_driver = { .owner = THIS_MODULE, }, .probe = ad5930_probe, - .remove = __devexit_p(ad5930_remove), + .remove = ad5930_remove, }; module_spi_driver(ad5930_driver); diff --git a/drivers/staging/iio/frequency/ad9832.c b/drivers/staging/iio/frequency/ad9832.c index fed39404e34a..4e18380c5141 100644 --- a/drivers/staging/iio/frequency/ad9832.c +++ b/drivers/staging/iio/frequency/ad9832.c @@ -201,7 +201,7 @@ static const struct iio_info ad9832_info = { .driver_module = THIS_MODULE, }; -static int __devinit ad9832_probe(struct spi_device *spi) +static int ad9832_probe(struct spi_device *spi) { struct ad9832_platform_data *pdata = spi->dev.platform_data; struct iio_dev *indio_dev; @@ -324,7 +324,7 @@ error_put_reg: return ret; } -static int __devexit ad9832_remove(struct spi_device *spi) +static int ad9832_remove(struct spi_device *spi) { struct iio_dev *indio_dev = spi_get_drvdata(spi); struct ad9832_state *st = iio_priv(indio_dev); @@ -352,7 +352,7 @@ static struct spi_driver ad9832_driver = { .owner = THIS_MODULE, }, .probe = ad9832_probe, - .remove = __devexit_p(ad9832_remove), + .remove = ad9832_remove, .id_table = ad9832_id, }; module_spi_driver(ad9832_driver); diff --git a/drivers/staging/iio/frequency/ad9834.c b/drivers/staging/iio/frequency/ad9834.c index 1b2dc741d2ce..5cba3c01f417 100644 --- a/drivers/staging/iio/frequency/ad9834.c +++ b/drivers/staging/iio/frequency/ad9834.c @@ -314,7 +314,7 @@ static const struct iio_info ad9833_info = { .driver_module = THIS_MODULE, }; -static int __devinit ad9834_probe(struct spi_device *spi) +static int ad9834_probe(struct spi_device *spi) { struct ad9834_platform_data *pdata = spi->dev.platform_data; struct ad9834_state *st; @@ -424,7 +424,7 @@ error_put_reg: return ret; } -static int __devexit ad9834_remove(struct spi_device *spi) +static int ad9834_remove(struct spi_device *spi) { struct iio_dev *indio_dev = spi_get_drvdata(spi); struct ad9834_state *st = iio_priv(indio_dev); @@ -454,7 +454,7 @@ static struct spi_driver ad9834_driver = { .owner = THIS_MODULE, }, .probe = ad9834_probe, - .remove = __devexit_p(ad9834_remove), + .remove = ad9834_remove, .id_table = ad9834_id, }; module_spi_driver(ad9834_driver); diff --git a/drivers/staging/iio/frequency/ad9850.c b/drivers/staging/iio/frequency/ad9850.c index 74abee054ac0..104f7a4905a3 100644 --- a/drivers/staging/iio/frequency/ad9850.c +++ b/drivers/staging/iio/frequency/ad9850.c @@ -77,7 +77,7 @@ static const struct iio_info ad9850_info = { .driver_module = THIS_MODULE, }; -static int __devinit ad9850_probe(struct spi_device *spi) +static int ad9850_probe(struct spi_device *spi) { struct ad9850_state *st; struct iio_dev *idev; @@ -113,7 +113,7 @@ error_ret: return ret; } -static int __devexit ad9850_remove(struct spi_device *spi) +static int ad9850_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); iio_device_free(spi_get_drvdata(spi)); @@ -127,7 +127,7 @@ static struct spi_driver ad9850_driver = { .owner = THIS_MODULE, }, .probe = ad9850_probe, - .remove = __devexit_p(ad9850_remove), + .remove = ad9850_remove, }; module_spi_driver(ad9850_driver); diff --git a/drivers/staging/iio/frequency/ad9852.c b/drivers/staging/iio/frequency/ad9852.c index fd9d14a413a5..17ac825b3d26 100644 --- a/drivers/staging/iio/frequency/ad9852.c +++ b/drivers/staging/iio/frequency/ad9852.c @@ -226,7 +226,7 @@ static const struct iio_info ad9852_info = { .driver_module = THIS_MODULE, }; -static int __devinit ad9852_probe(struct spi_device *spi) +static int ad9852_probe(struct spi_device *spi) { struct ad9852_state *st; struct iio_dev *idev; @@ -264,7 +264,7 @@ error_ret: return ret; } -static int __devexit ad9852_remove(struct spi_device *spi) +static int ad9852_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); iio_device_free(spi_get_drvdata(spi)); @@ -278,7 +278,7 @@ static struct spi_driver ad9852_driver = { .owner = THIS_MODULE, }, .probe = ad9852_probe, - .remove = __devexit_p(ad9852_remove), + .remove = ad9852_remove, }; module_spi_driver(ad9852_driver); diff --git a/drivers/staging/iio/frequency/ad9910.c b/drivers/staging/iio/frequency/ad9910.c index 5a7ba305b75a..e48f874c1fc2 100644 --- a/drivers/staging/iio/frequency/ad9910.c +++ b/drivers/staging/iio/frequency/ad9910.c @@ -361,7 +361,7 @@ static const struct iio_info ad9910_info = { .driver_module = THIS_MODULE, }; -static int __devinit ad9910_probe(struct spi_device *spi) +static int ad9910_probe(struct spi_device *spi) { struct ad9910_state *st; struct iio_dev *idev; @@ -397,7 +397,7 @@ error_ret: return ret; } -static int __devexit ad9910_remove(struct spi_device *spi) +static int ad9910_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); iio_device_free(spi_get_drvdata(spi)); @@ -411,7 +411,7 @@ static struct spi_driver ad9910_driver = { .owner = THIS_MODULE, }, .probe = ad9910_probe, - .remove = __devexit_p(ad9910_remove), + .remove = ad9910_remove, }; module_spi_driver(ad9910_driver); diff --git a/drivers/staging/iio/frequency/ad9951.c b/drivers/staging/iio/frequency/ad9951.c index ba6f49ff09ae..8234e3c915c4 100644 --- a/drivers/staging/iio/frequency/ad9951.c +++ b/drivers/staging/iio/frequency/ad9951.c @@ -170,7 +170,7 @@ static const struct iio_info ad9951_info = { .driver_module = THIS_MODULE, }; -static int __devinit ad9951_probe(struct spi_device *spi) +static int ad9951_probe(struct spi_device *spi) { struct ad9951_state *st; struct iio_dev *idev; @@ -208,7 +208,7 @@ error_ret: return ret; } -static int __devexit ad9951_remove(struct spi_device *spi) +static int ad9951_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); iio_device_free(spi_get_drvdata(spi)); @@ -222,7 +222,7 @@ static struct spi_driver ad9951_driver = { .owner = THIS_MODULE, }, .probe = ad9951_probe, - .remove = __devexit_p(ad9951_remove), + .remove = ad9951_remove, }; module_spi_driver(ad9951_driver); diff --git a/drivers/staging/iio/gyro/Makefile b/drivers/staging/iio/gyro/Makefile index 9ba5ec151705..1303569e5c8a 100644 --- a/drivers/staging/iio/gyro/Makefile +++ b/drivers/staging/iio/gyro/Makefile @@ -12,7 +12,6 @@ adis16130-y := adis16130_core.o obj-$(CONFIG_ADIS16130) += adis16130.o adis16260-y := adis16260_core.o -adis16260-$(CONFIG_IIO_BUFFER) += adis16260_ring.o adis16260_trigger.o obj-$(CONFIG_ADIS16260) += adis16260.o adis16251-y := adis16251_core.o diff --git a/drivers/staging/iio/gyro/adis16060_core.c b/drivers/staging/iio/gyro/adis16060_core.c index 87151a7cff04..687c151f9847 100644 --- a/drivers/staging/iio/gyro/adis16060_core.c +++ b/drivers/staging/iio/gyro/adis16060_core.c @@ -145,7 +145,7 @@ static const struct iio_chan_spec adis16060_channels[] = { } }; -static int __devinit adis16060_r_probe(struct spi_device *spi) +static int adis16060_r_probe(struct spi_device *spi) { int ret; struct adis16060_state *st; @@ -184,7 +184,7 @@ error_ret: } /* fixme, confirm ordering in this function */ -static int __devexit adis16060_r_remove(struct spi_device *spi) +static int adis16060_r_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); iio_device_free(spi_get_drvdata(spi)); @@ -192,7 +192,7 @@ static int __devexit adis16060_r_remove(struct spi_device *spi) return 0; } -static int __devinit adis16060_w_probe(struct spi_device *spi) +static int adis16060_w_probe(struct spi_device *spi) { int ret; struct iio_dev *indio_dev = adis16060_iio_dev; @@ -210,7 +210,7 @@ error_ret: return ret; } -static int __devexit adis16060_w_remove(struct spi_device *spi) +static int adis16060_w_remove(struct spi_device *spi) { return 0; } @@ -221,7 +221,7 @@ static struct spi_driver adis16060_r_driver = { .owner = THIS_MODULE, }, .probe = adis16060_r_probe, - .remove = __devexit_p(adis16060_r_remove), + .remove = adis16060_r_remove, }; static struct spi_driver adis16060_w_driver = { @@ -230,7 +230,7 @@ static struct spi_driver adis16060_w_driver = { .owner = THIS_MODULE, }, .probe = adis16060_w_probe, - .remove = __devexit_p(adis16060_w_remove), + .remove = adis16060_w_remove, }; static __init int adis16060_init(void) diff --git a/drivers/staging/iio/gyro/adis16080_core.c b/drivers/staging/iio/gyro/adis16080_core.c index a73902573f79..3525a68d6a75 100644 --- a/drivers/staging/iio/gyro/adis16080_core.c +++ b/drivers/staging/iio/gyro/adis16080_core.c @@ -138,7 +138,7 @@ static const struct iio_info adis16080_info = { .driver_module = THIS_MODULE, }; -static int __devinit adis16080_probe(struct spi_device *spi) +static int adis16080_probe(struct spi_device *spi) { int ret; struct adis16080_state *st; @@ -177,7 +177,7 @@ error_ret: } /* fixme, confirm ordering in this function */ -static int __devexit adis16080_remove(struct spi_device *spi) +static int adis16080_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); iio_device_free(spi_get_drvdata(spi)); @@ -191,7 +191,7 @@ static struct spi_driver adis16080_driver = { .owner = THIS_MODULE, }, .probe = adis16080_probe, - .remove = __devexit_p(adis16080_remove), + .remove = adis16080_remove, }; module_spi_driver(adis16080_driver); diff --git a/drivers/staging/iio/gyro/adis16130_core.c b/drivers/staging/iio/gyro/adis16130_core.c index fbf96b0b6ee8..835801ee7e80 100644 --- a/drivers/staging/iio/gyro/adis16130_core.c +++ b/drivers/staging/iio/gyro/adis16130_core.c @@ -116,7 +116,7 @@ static const struct iio_info adis16130_info = { .driver_module = THIS_MODULE, }; -static int __devinit adis16130_probe(struct spi_device *spi) +static int adis16130_probe(struct spi_device *spi) { int ret; struct adis16130_state *st; @@ -154,7 +154,7 @@ error_ret: } /* fixme, confirm ordering in this function */ -static int __devexit adis16130_remove(struct spi_device *spi) +static int adis16130_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); iio_device_free(spi_get_drvdata(spi)); @@ -168,7 +168,7 @@ static struct spi_driver adis16130_driver = { .owner = THIS_MODULE, }, .probe = adis16130_probe, - .remove = __devexit_p(adis16130_remove), + .remove = adis16130_remove, }; module_spi_driver(adis16130_driver); diff --git a/drivers/staging/iio/gyro/adis16260.h b/drivers/staging/iio/gyro/adis16260.h index 4c4b25129c6c..df3c0b7e954a 100644 --- a/drivers/staging/iio/gyro/adis16260.h +++ b/drivers/staging/iio/gyro/adis16260.h @@ -1,12 +1,11 @@ #ifndef SPI_ADIS16260_H_ #define SPI_ADIS16260_H_ + #include "adis16260_platform_data.h" +#include <linux/iio/imu/adis.h> #define ADIS16260_STARTUP_DELAY 220 /* ms */ -#define ADIS16260_READ_REG(a) a -#define ADIS16260_WRITE_REG(a) ((a) | 0x80) - #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 */ @@ -34,8 +33,6 @@ * convert to decimal = 16,265/16,260 */ #define ADIS16260_SERIAL_NUM 0x58 /* Serial number */ -#define ADIS16260_OUTPUTS 5 - #define ADIS16260_ERROR_ACTIVE (1<<14) #define ADIS16260_NEW_DATA (1<<15) @@ -60,13 +57,13 @@ /* DIAG_STAT */ #define ADIS16260_DIAG_STAT_ALARM2 (1<<9) #define ADIS16260_DIAG_STAT_ALARM1 (1<<8) -#define ADIS16260_DIAG_STAT_FLASH_CHK (1<<6) -#define ADIS16260_DIAG_STAT_SELF_TEST (1<<5) -#define ADIS16260_DIAG_STAT_OVERFLOW (1<<4) -#define ADIS16260_DIAG_STAT_SPI_FAIL (1<<3) -#define ADIS16260_DIAG_STAT_FLASH_UPT (1<<2) -#define ADIS16260_DIAG_STAT_POWER_HIGH (1<<1) -#define ADIS16260_DIAG_STAT_POWER_LOW (1<<0) +#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) @@ -75,82 +72,27 @@ #define ADIS16260_GLOB_CMD_FAC_CALIB (1<<1) #define ADIS16260_GLOB_CMD_AUTO_NULL (1<<0) -#define ADIS16260_MAX_TX 24 -#define ADIS16260_MAX_RX 24 - #define ADIS16260_SPI_SLOW (u32)(300 * 1000) #define ADIS16260_SPI_BURST (u32)(1000 * 1000) #define ADIS16260_SPI_FAST (u32)(2000 * 1000) /** * struct adis16260_state - device instance specific data - * @us: actual spi_device - * @trig: data ready trigger registered with iio - * @buf_lock: mutex to protect tx and rx * @negate: negate the scale parameter - * @tx: transmit buffer - * @rx: receive buffer **/ struct adis16260_state { - struct spi_device *us; - struct iio_trigger *trig; - struct mutex buf_lock; - unsigned negate:1; - u8 tx[ADIS16260_MAX_TX] ____cacheline_aligned; - u8 rx[ADIS16260_MAX_RX]; + unsigned negate:1; + struct adis adis; }; -int adis16260_set_irq(struct iio_dev *indio_dev, bool enable); - /* At the moment triggers are only used for ring buffer * filling. This may change! */ -#define ADIS16260_SCAN_SUPPLY 0 -#define ADIS16260_SCAN_GYRO 1 +#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 -#ifdef CONFIG_IIO_BUFFER -void adis16260_remove_trigger(struct iio_dev *indio_dev); -int adis16260_probe_trigger(struct iio_dev *indio_dev); - -ssize_t adis16260_read_data_from_ring(struct device *dev, - struct device_attribute *attr, - char *buf); - - -int adis16260_configure_ring(struct iio_dev *indio_dev); -void adis16260_unconfigure_ring(struct iio_dev *indio_dev); - -#else /* CONFIG_IIO_BUFFER */ - -static inline void adis16260_remove_trigger(struct iio_dev *indio_dev) -{ -} - -static inline int adis16260_probe_trigger(struct iio_dev *indio_dev) -{ - return 0; -} - -static inline ssize_t -adis16260_read_data_from_ring(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return 0; -} - -static int adis16260_configure_ring(struct iio_dev *indio_dev) -{ - return 0; -} - -static inline void adis16260_unconfigure_ring(struct iio_dev *indio_dev) -{ -} - -#endif /* CONFIG_IIO_BUFFER */ #endif /* SPI_ADIS16260_H_ */ diff --git a/drivers/staging/iio/gyro/adis16260_core.c b/drivers/staging/iio/gyro/adis16260_core.c index aa964a2d8290..6e80b8c768ae 100644 --- a/drivers/staging/iio/gyro/adis16260_core.c +++ b/drivers/staging/iio/gyro/adis16260_core.c @@ -24,134 +24,13 @@ #include "adis16260.h" -#define DRIVER_NAME "adis16260" - -static int adis16260_check_status(struct iio_dev *indio_dev); - -/** - * adis16260_spi_write_reg_8() - write single byte to a register - * @indio_dev: iio_dev for the device - * @reg_address: the address of the register to be written - * @val: the value to write - **/ -static int adis16260_spi_write_reg_8(struct iio_dev *indio_dev, - u8 reg_address, - u8 val) -{ - int ret; - struct adis16260_state *st = iio_priv(indio_dev); - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16260_WRITE_REG(reg_address); - st->tx[1] = val; - - ret = spi_write(st->us, st->tx, 2); - mutex_unlock(&st->buf_lock); - - return ret; -} - -/** - * adis16260_spi_write_reg_16() - write 2 bytes to a pair of registers - * @indio_dev: iio_dev for the 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 adis16260_spi_write_reg_16(struct iio_dev *indio_dev, - u8 lower_reg_address, - u16 value) -{ - int ret; - struct spi_message msg; - struct adis16260_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 = 20, - }, { - .tx_buf = st->tx + 2, - .bits_per_word = 8, - .len = 2, - .delay_usecs = 20, - }, - }; - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16260_WRITE_REG(lower_reg_address); - st->tx[1] = value & 0xFF; - st->tx[2] = ADIS16260_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; -} - -/** - * adis16260_spi_read_reg_16() - read 2 bytes from a 16-bit register - * @indio_dev: iio_dev for the 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 adis16260_spi_read_reg_16(struct iio_dev *indio_dev, - u8 lower_reg_address, - u16 *val) -{ - struct spi_message msg; - struct adis16260_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 = 30, - }, { - .rx_buf = st->rx, - .bits_per_word = 8, - .len = 2, - .delay_usecs = 30, - }, - }; - - mutex_lock(&st->buf_lock); - st->tx[0] = ADIS16260_READ_REG(lower_reg_address); - st->tx[1] = 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 adis16260_read_frequency_available(struct device *dev, struct device_attribute *attr, char *buf) { struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct adis16260_state *st = iio_priv(indio_dev); - if (spi_get_device_id(st->us)->driver_data) + if (spi_get_device_id(st->adis.spi)->driver_data) return sprintf(buf, "%s\n", "0.129 ~ 256"); else return sprintf(buf, "%s\n", "256 2048"); @@ -166,13 +45,11 @@ static ssize_t adis16260_read_frequency(struct device *dev, int ret, len = 0; u16 t; int sps; - ret = adis16260_spi_read_reg_16(indio_dev, - ADIS16260_SMPL_PRD, - &t); + ret = adis_read_reg_16(&st->adis, ADIS16260_SMPL_PRD, &t); if (ret) return ret; - if (spi_get_device_id(st->us)->driver_data) /* If an adis16251 */ + if (spi_get_device_id(st->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; @@ -199,7 +76,7 @@ static ssize_t adis16260_write_frequency(struct device *dev, return -EINVAL; mutex_lock(&indio_dev->mlock); - if (spi_get_device_id(st->us)) { + if (spi_get_device_id(st->adis.spi)->driver_data) { t = (256 / val); if (t > 0) t--; @@ -211,10 +88,10 @@ static ssize_t adis16260_write_frequency(struct device *dev, t &= ADIS16260_SMPL_PRD_DIV_MASK; } if ((t & ADIS16260_SMPL_PRD_DIV_MASK) >= 0x0A) - st->us->max_speed_hz = ADIS16260_SPI_SLOW; + st->adis.spi->max_speed_hz = ADIS16260_SPI_SLOW; else - st->us->max_speed_hz = ADIS16260_SPI_FAST; - ret = adis16260_spi_write_reg_8(indio_dev, + st->adis.spi->max_speed_hz = ADIS16260_SPI_FAST; + ret = adis_write_reg_8(&st->adis, ADIS16260_SMPL_PRD, t); @@ -223,140 +100,20 @@ static ssize_t adis16260_write_frequency(struct device *dev, return ret ? ret : len; } -static int adis16260_reset(struct iio_dev *indio_dev) -{ - int ret; - ret = adis16260_spi_write_reg_8(indio_dev, - ADIS16260_GLOB_CMD, - ADIS16260_GLOB_CMD_SW_RESET); - if (ret) - dev_err(&indio_dev->dev, "problem resetting device"); - - return ret; -} - -int adis16260_set_irq(struct iio_dev *indio_dev, bool enable) -{ - int ret; - u16 msc; - ret = adis16260_spi_read_reg_16(indio_dev, ADIS16260_MSC_CTRL, &msc); - if (ret) - goto error_ret; - - msc |= ADIS16260_MSC_CTRL_DATA_RDY_POL_HIGH; - if (enable) - msc |= ADIS16260_MSC_CTRL_DATA_RDY_EN; - else - msc &= ~ADIS16260_MSC_CTRL_DATA_RDY_EN; - - ret = adis16260_spi_write_reg_16(indio_dev, ADIS16260_MSC_CTRL, msc); - if (ret) - goto error_ret; - -error_ret: - return ret; -} - /* Power down the device */ static int adis16260_stop_device(struct iio_dev *indio_dev) { + struct adis16260_state *st = iio_priv(indio_dev); int ret; u16 val = ADIS16260_SLP_CNT_POWER_OFF; - ret = adis16260_spi_write_reg_16(indio_dev, ADIS16260_SLP_CNT, val); + ret = adis_write_reg_16(&st->adis, ADIS16260_SLP_CNT, val); if (ret) dev_err(&indio_dev->dev, "problem with turning device off: SLP_CNT"); return ret; } -static int adis16260_self_test(struct iio_dev *indio_dev) -{ - int ret; - ret = adis16260_spi_write_reg_16(indio_dev, - ADIS16260_MSC_CTRL, - ADIS16260_MSC_CTRL_MEM_TEST); - if (ret) { - dev_err(&indio_dev->dev, "problem starting self test"); - goto err_ret; - } - - adis16260_check_status(indio_dev); - -err_ret: - return ret; -} - -static int adis16260_check_status(struct iio_dev *indio_dev) -{ - u16 status; - int ret; - struct device *dev = &indio_dev->dev; - - ret = adis16260_spi_read_reg_16(indio_dev, - ADIS16260_DIAG_STAT, - &status); - - if (ret < 0) { - dev_err(dev, "Reading status failed\n"); - goto error_ret; - } - ret = status & 0x7F; - if (status & ADIS16260_DIAG_STAT_FLASH_CHK) - dev_err(dev, "Flash checksum error\n"); - if (status & ADIS16260_DIAG_STAT_SELF_TEST) - dev_err(dev, "Self test error\n"); - if (status & ADIS16260_DIAG_STAT_OVERFLOW) - dev_err(dev, "Sensor overrange\n"); - if (status & ADIS16260_DIAG_STAT_SPI_FAIL) - dev_err(dev, "SPI failure\n"); - if (status & ADIS16260_DIAG_STAT_FLASH_UPT) - dev_err(dev, "Flash update failed\n"); - if (status & ADIS16260_DIAG_STAT_POWER_HIGH) - dev_err(dev, "Power supply above 5.25V\n"); - if (status & ADIS16260_DIAG_STAT_POWER_LOW) - dev_err(dev, "Power supply below 4.75V\n"); - -error_ret: - return ret; -} - -static int adis16260_initial_setup(struct iio_dev *indio_dev) -{ - int ret; - struct device *dev = &indio_dev->dev; - - /* Disable IRQ */ - ret = adis16260_set_irq(indio_dev, false); - if (ret) { - dev_err(dev, "disable irq failed"); - goto err_ret; - } - - /* Do self test */ - ret = adis16260_self_test(indio_dev); - if (ret) { - dev_err(dev, "self test failure"); - goto err_ret; - } - - /* Read status register to check the result */ - ret = adis16260_check_status(indio_dev); - if (ret) { - adis16260_reset(indio_dev); - dev_err(dev, "device not playing ball -> reset"); - msleep(ADIS16260_STARTUP_DELAY); - ret = adis16260_check_status(indio_dev); - if (ret) { - dev_err(dev, "giving up"); - goto err_ret; - } - } - -err_ret: - return ret; -} - static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO, adis16260_read_frequency, adis16260_write_frequency); @@ -364,100 +121,26 @@ static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO, static IIO_DEVICE_ATTR(sampling_frequency_available, S_IRUGO, adis16260_read_frequency_available, NULL, 0); -enum adis16260_channel { - gyro, - temp, - in_supply, - in_aux, - angle, -}; #define ADIS16260_GYRO_CHANNEL_SET(axis, mod) \ - struct iio_chan_spec adis16260_channels_##axis[] = { \ - { \ - .type = IIO_ANGL_VEL, \ - .modified = 1, \ - .channel2 = mod, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | \ - IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ - .address = gyro, \ - .scan_index = ADIS16260_SCAN_GYRO, \ - .scan_type = { \ - .sign = 's', \ - .realbits = 14, \ - .storagebits = 16, \ - }, \ - }, { \ - .type = IIO_ANGL, \ - .modified = 1, \ - .channel2 = mod, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, \ - .address = angle, \ - .scan_index = ADIS16260_SCAN_ANGL, \ - .scan_type = { \ - .sign = 'u', \ - .realbits = 14, \ - .storagebits = 16, \ - }, \ - }, { \ - .type = IIO_TEMP, \ - .indexed = 1, \ - .channel = 0, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ - .address = temp, \ - .scan_index = ADIS16260_SCAN_TEMP, \ - .scan_type = { \ - .sign = 'u', \ - .realbits = 12, \ - .storagebits = 16, \ - }, \ - }, { \ - .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 = ADIS16260_SCAN_SUPPLY, \ - .scan_type = { \ - .sign = 'u', \ - .realbits = 12, \ - .storagebits = 16, \ - }, \ - }, { \ - .type = IIO_VOLTAGE, \ - .indexed = 1, \ - .channel = 1, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ - .address = in_aux, \ - .scan_index = ADIS16260_SCAN_AUX_ADC, \ - .scan_type = { \ - .sign = 'u', \ - .realbits = 12, \ - .storagebits = 16, \ - }, \ - }, \ - IIO_CHAN_SOFT_TIMESTAMP(5), \ - } +struct iio_chan_spec adis16260_channels_##axis[] = { \ + ADIS_GYRO_CHAN(mod, ADIS16260_GYRO_OUT, ADIS16260_SCAN_GYRO, \ + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT | \ + IIO_CHAN_INFO_CALIBSCALE_SEPARATE_BIT, 14), \ + ADIS_INCLI_CHAN(mod, 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 ADIS16260_GYRO_CHANNEL_SET(x, X); +static const ADIS16260_GYRO_CHANNEL_SET(y, Y); +static const ADIS16260_GYRO_CHANNEL_SET(z, Z); -static const ADIS16260_GYRO_CHANNEL_SET(x, IIO_MOD_X); -static const ADIS16260_GYRO_CHANNEL_SET(y, IIO_MOD_Y); -static const ADIS16260_GYRO_CHANNEL_SET(z, IIO_MOD_Z); - -static const u8 adis16260_addresses[5][3] = { - [gyro] = { ADIS16260_GYRO_OUT, - ADIS16260_GYRO_OFF, - ADIS16260_GYRO_SCALE }, - [angle] = { ADIS16260_ANGL_OUT }, - [in_supply] = { ADIS16260_SUPPLY_OUT }, - [in_aux] = { ADIS16260_AUX_ADC }, - [temp] = { ADIS16260_TEMP_OUT }, +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, @@ -471,34 +154,13 @@ static int adis16260_read_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_RAW: - mutex_lock(&indio_dev->mlock); - addr = adis16260_addresses[chan->address][0]; - ret = adis16260_spi_read_reg_16(indio_dev, addr, &val16); - if (ret) { - mutex_unlock(&indio_dev->mlock); - return ret; - } - - if (val16 & ADIS16260_ERROR_ACTIVE) { - ret = adis16260_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, + ADIS16260_ERROR_ACTIVE, val); case IIO_CHAN_INFO_SCALE: switch (chan->type) { case IIO_ANGL_VEL: *val = 0; - if (spi_get_device_id(st->us)->driver_data) { + if (spi_get_device_id(st->adis.spi)->driver_data) { /* 0.01832 degree / sec */ *val2 = IIO_DEGREE_TO_RAD(18320); } else { @@ -533,10 +195,10 @@ static int adis16260_read_raw(struct iio_dev *indio_dev, break; default: return -EINVAL; - }; + } mutex_lock(&indio_dev->mlock); - addr = adis16260_addresses[chan->address][1]; - ret = adis16260_spi_read_reg_16(indio_dev, addr, &val16); + addr = adis16260_addresses[chan->scan_index][0]; + ret = adis_read_reg_16(&st->adis, addr, &val16); if (ret) { mutex_unlock(&indio_dev->mlock); return ret; @@ -553,10 +215,10 @@ static int adis16260_read_raw(struct iio_dev *indio_dev, break; default: return -EINVAL; - }; + } mutex_lock(&indio_dev->mlock); - addr = adis16260_addresses[chan->address][2]; - ret = adis16260_spi_read_reg_16(indio_dev, addr, &val16); + addr = adis16260_addresses[chan->scan_index][1]; + ret = adis_read_reg_16(&st->adis, addr, &val16); if (ret) { mutex_unlock(&indio_dev->mlock); return ret; @@ -574,18 +236,19 @@ static int adis16260_write_raw(struct iio_dev *indio_dev, int val2, long mask) { + struct adis16260_state *st = iio_priv(indio_dev); int bits = 12; s16 val16; u8 addr; switch (mask) { case IIO_CHAN_INFO_CALIBBIAS: val16 = val & ((1 << bits) - 1); - addr = adis16260_addresses[chan->address][1]; - return adis16260_spi_write_reg_16(indio_dev, addr, val16); + addr = adis16260_addresses[chan->scan_index][0]; + return adis_write_reg_16(&st->adis, addr, val16); case IIO_CHAN_INFO_CALIBSCALE: val16 = val & ((1 << bits) - 1); - addr = adis16260_addresses[chan->address][2]; - return adis16260_spi_write_reg_16(indio_dev, addr, val16); + addr = adis16260_addresses[chan->scan_index][1]; + return adis_write_reg_16(&st->adis, addr, val16); } return -EINVAL; } @@ -604,10 +267,41 @@ 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 int __devinit adis16260_probe(struct spi_device *spi) +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) { int ret; struct adis16260_platform_data *pd = spi->dev.platform_data; @@ -626,10 +320,7 @@ static int __devinit adis16260_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_get_device_id(st->us)->name; + indio_dev->name = spi_get_device_id(spi)->name; indio_dev->dev.parent = &spi->dev; indio_dev->info = &adis16260_info; indio_dev->num_channels @@ -653,17 +344,14 @@ static int __devinit adis16260_probe(struct spi_device *spi) indio_dev->num_channels = ARRAY_SIZE(adis16260_channels_x); indio_dev->modes = INDIO_DIRECT_MODE; - ret = adis16260_configure_ring(indio_dev); + ret = adis_init(&st->adis, indio_dev, spi, &adis16260_data); + if (ret) + goto error_free_dev; + + ret = adis_setup_buffer_and_trigger(&st->adis, indio_dev, NULL); if (ret) goto error_free_dev; - ret = iio_buffer_register(indio_dev, - indio_dev->channels, - ARRAY_SIZE(adis16260_channels_x)); - if (ret) { - printk(KERN_ERR "failed to initialize the ring\n"); - goto error_unreg_ring_funcs; - } if (indio_dev->buffer) { /* Set default scan mode */ iio_scan_mask_set(indio_dev, indio_dev->buffer, @@ -677,43 +365,33 @@ static int __devinit adis16260_probe(struct spi_device *spi) iio_scan_mask_set(indio_dev, indio_dev->buffer, ADIS16260_SCAN_ANGL); } - if (spi->irq) { - ret = adis16260_probe_trigger(indio_dev); - if (ret) - goto error_uninitialize_ring; - } /* Get the device into a sane initial state */ - ret = adis16260_initial_setup(indio_dev); + ret = adis_initial_startup(&st->adis); 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: - adis16260_remove_trigger(indio_dev); -error_uninitialize_ring: - iio_buffer_unregister(indio_dev); -error_unreg_ring_funcs: - adis16260_unconfigure_ring(indio_dev); +error_cleanup_buffer_trigger: + adis_cleanup_buffer_and_trigger(&st->adis, indio_dev); error_free_dev: iio_device_free(indio_dev); error_ret: return ret; } -static int __devexit adis16260_remove(struct spi_device *spi) +static int adis16260_remove(struct spi_device *spi) { struct iio_dev *indio_dev = spi_get_drvdata(spi); + struct adis16260_state *st = iio_priv(indio_dev); iio_device_unregister(indio_dev); adis16260_stop_device(indio_dev); - adis16260_remove_trigger(indio_dev); - iio_buffer_unregister(indio_dev); - adis16260_unconfigure_ring(indio_dev); + adis_cleanup_buffer_and_trigger(&st->adis, indio_dev); iio_device_free(indio_dev); return 0; @@ -739,7 +417,7 @@ static struct spi_driver adis16260_driver = { .owner = THIS_MODULE, }, .probe = adis16260_probe, - .remove = __devexit_p(adis16260_remove), + .remove = adis16260_remove, .id_table = adis16260_id, }; module_spi_driver(adis16260_driver); diff --git a/drivers/staging/iio/gyro/adis16260_ring.c b/drivers/staging/iio/gyro/adis16260_ring.c deleted file mode 100644 index e294cb49736d..000000000000 --- a/drivers/staging/iio/gyro/adis16260_ring.c +++ /dev/null @@ -1,136 +0,0 @@ -#include <linux/export.h> -#include <linux/interrupt.h> -#include <linux/mutex.h> -#include <linux/kernel.h> -#include <linux/spi/spi.h> -#include <linux/slab.h> - -#include <linux/iio/iio.h> -#include "../ring_sw.h" -#include <linux/iio/trigger_consumer.h> -#include "adis16260.h" - -/** - * adis16260_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 adis16260_read_ring_data(struct iio_dev *indio_dev, u8 *rx) -{ - struct spi_message msg; - struct adis16260_state *st = iio_priv(indio_dev); - struct spi_transfer xfers[ADIS16260_OUTPUTS + 1]; - int ret; - int i; - - mutex_lock(&st->buf_lock); - - spi_message_init(&msg); - - memset(xfers, 0, sizeof(xfers)); - for (i = 0; i <= ADIS16260_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; - if (i < 2) /* SUPPLY_OUT:0x02 GYRO_OUT:0x04 */ - st->tx[2 * i] - = ADIS16260_READ_REG(ADIS16260_SUPPLY_OUT - + 2 * i); - else /* 0x06 to 0x09 is reserved */ - st->tx[2 * i] - = ADIS16260_READ_REG(ADIS16260_SUPPLY_OUT - + 2 * i + 4); - 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 adis16260_trigger_handler(int irq, void *p) -{ - struct iio_poll_func *pf = p; - struct iio_dev *indio_dev = pf->indio_dev; - struct adis16260_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) && - adis16260_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_buffer(indio_dev->buffer, (u8 *)data); - - kfree(data); -done: - iio_trigger_notify_done(indio_dev->trig); - - return IRQ_HANDLED; -} - -void adis16260_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 adis16260_ring_setup_ops = { - .preenable = &iio_sw_buffer_preenable, - .postenable = &iio_triggered_buffer_postenable, - .predisable = &iio_triggered_buffer_predisable, -}; - -int adis16260_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 = &adis16260_ring_setup_ops; - - indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time, - &adis16260_trigger_handler, - IRQF_ONESHOT, - indio_dev, - "adis16260_consumer%d", - 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/gyro/adis16260_trigger.c b/drivers/staging/iio/gyro/adis16260_trigger.c deleted file mode 100644 index 034559e4d5b9..000000000000 --- a/drivers/staging/iio/gyro/adis16260_trigger.c +++ /dev/null @@ -1,75 +0,0 @@ -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/spi/spi.h> -#include <linux/export.h> - -#include <linux/iio/iio.h> -#include <linux/iio/trigger.h> -#include "adis16260.h" - -/** - * adis16260_data_rdy_trigger_set_state() set datardy interrupt state - **/ -static int adis16260_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 adis16260_set_irq(indio_dev, state); -} - -static const struct iio_trigger_ops adis16260_trigger_ops = { - .owner = THIS_MODULE, - .set_trigger_state = &adis16260_data_rdy_trigger_set_state, -}; - -int adis16260_probe_trigger(struct iio_dev *indio_dev) -{ - int ret; - struct adis16260_state *st = iio_priv(indio_dev); - - st->trig = iio_trigger_alloc("%s-dev%d", - spi_get_device_id(st->us)->name, - 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, - "adis16260", - st->trig); - if (ret) - goto error_free_trig; - - st->trig->dev.parent = &st->us->dev; - st->trig->ops = &adis16260_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 adis16260_remove_trigger(struct iio_dev *indio_dev) -{ - struct adis16260_state *st = iio_priv(indio_dev); - - iio_trigger_unregister(st->trig); - free_irq(st->us->irq, st->trig); - iio_trigger_free(st->trig); -} diff --git a/drivers/staging/iio/gyro/adxrs450_core.c b/drivers/staging/iio/gyro/adxrs450_core.c index d93527d15917..f0ce81da8aca 100644 --- a/drivers/staging/iio/gyro/adxrs450_core.c +++ b/drivers/staging/iio/gyro/adxrs450_core.c @@ -365,7 +365,7 @@ static const struct iio_info adxrs450_info = { .write_raw = &adxrs450_write_raw, }; -static int __devinit adxrs450_probe(struct spi_device *spi) +static int adxrs450_probe(struct spi_device *spi) { int ret; struct adxrs450_state *st; @@ -409,7 +409,7 @@ error_ret: return ret; } -static int __devexit adxrs450_remove(struct spi_device *spi) +static int adxrs450_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); iio_device_free(spi_get_drvdata(spi)); @@ -430,7 +430,7 @@ static struct spi_driver adxrs450_driver = { .owner = THIS_MODULE, }, .probe = adxrs450_probe, - .remove = __devexit_p(adxrs450_remove), + .remove = adxrs450_remove, .id_table = adxrs450_id, }; module_spi_driver(adxrs450_driver); diff --git a/drivers/staging/iio/iio_dummy_evgen.c b/drivers/staging/iio/iio_dummy_evgen.c index 74e24e8aa876..132d278c5010 100644 --- a/drivers/staging/iio/iio_dummy_evgen.c +++ b/drivers/staging/iio/iio_dummy_evgen.c @@ -108,7 +108,7 @@ int iio_dummy_evgen_get_irq(void) mutex_lock(&iio_evgen->lock); for (i = 0; i < IIO_EVENTGEN_NO; i++) - if (iio_evgen->inuse[i] == false) { + if (!iio_evgen->inuse[i]) { ret = iio_evgen->base + i; iio_evgen->inuse[i] = true; break; diff --git a/drivers/staging/iio/iio_hwmon.c b/drivers/staging/iio/iio_hwmon.c index 5d491227e01b..c7a5f97576c7 100644 --- a/drivers/staging/iio/iio_hwmon.c +++ b/drivers/staging/iio/iio_hwmon.c @@ -69,7 +69,7 @@ static void iio_hwmon_free_attrs(struct iio_hwmon_state *st) } } -static int __devinit iio_hwmon_probe(struct platform_device *pdev) +static int iio_hwmon_probe(struct platform_device *pdev) { struct iio_hwmon_state *st; struct sensor_device_attribute *a; @@ -170,7 +170,7 @@ error_ret: return ret; } -static int __devexit iio_hwmon_remove(struct platform_device *pdev) +static int iio_hwmon_remove(struct platform_device *pdev) { struct iio_hwmon_state *st = platform_get_drvdata(pdev); @@ -189,7 +189,7 @@ static struct platform_driver __refdata iio_hwmon_driver = { .owner = THIS_MODULE, }, .probe = iio_hwmon_probe, - .remove = __devexit_p(iio_hwmon_remove), + .remove = iio_hwmon_remove, }; module_platform_driver(iio_hwmon_driver); diff --git a/drivers/staging/iio/iio_simple_dummy.c b/drivers/staging/iio/iio_simple_dummy.c index dc6c728ea47a..a865adf81938 100644 --- a/drivers/staging/iio/iio_simple_dummy.c +++ b/drivers/staging/iio/iio_simple_dummy.c @@ -378,7 +378,7 @@ static int iio_dummy_init_device(struct iio_dev *indio_dev) * const struct i2c_device_id *id) * SPI: iio_dummy_probe(struct spi_device *spi) */ -static int __devinit iio_dummy_probe(int index) +static int iio_dummy_probe(int index) { int ret; struct iio_dev *indio_dev; diff --git a/drivers/staging/iio/iio_simple_dummy_buffer.c b/drivers/staging/iio/iio_simple_dummy_buffer.c index 697d9700db2f..dee16f0e7570 100644 --- a/drivers/staging/iio/iio_simple_dummy_buffer.c +++ b/drivers/staging/iio/iio_simple_dummy_buffer.c @@ -46,7 +46,6 @@ static irqreturn_t iio_simple_dummy_trigger_h(int irq, void *p) { struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; - struct iio_buffer *buffer = indio_dev->buffer; int len = 0; u16 *data; @@ -76,7 +75,7 @@ static irqreturn_t iio_simple_dummy_trigger_h(int irq, void *p) i < bitmap_weight(indio_dev->active_scan_mask, indio_dev->masklength); i++, j++) { - j = find_next_bit(buffer->scan_mask, + j = find_next_bit(indio_dev->active_scan_mask, indio_dev->masklength, j); /* random access read from the 'device' */ data[i] = fakedata[j]; @@ -87,7 +86,7 @@ static irqreturn_t iio_simple_dummy_trigger_h(int irq, void *p) if (indio_dev->scan_timestamp) *(s64 *)((u8 *)data + ALIGN(len, sizeof(s64))) = iio_get_time_ns(); - iio_push_to_buffer(buffer, (u8 *)data); + iio_push_to_buffers(indio_dev, (u8 *)data); kfree(data); diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index de21d47f33e9..779243d24dec 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -647,7 +647,6 @@ static void ad5933_work(struct work_struct *work) struct ad5933_state *st = container_of(work, struct ad5933_state, work.work); struct iio_dev *indio_dev = i2c_get_clientdata(st->client); - struct iio_buffer *ring = indio_dev->buffer; signed short buf[2]; unsigned char status; @@ -677,8 +676,7 @@ static void ad5933_work(struct work_struct *work) } else { buf[0] = be16_to_cpu(buf[0]); } - /* save datum to the ring */ - iio_push_to_buffer(ring, (u8 *)buf); + iio_push_to_buffers(indio_dev, (u8 *)buf); } else { /* no data available - try again later */ schedule_delayed_work(&st->work, st->poll_time_jiffies); @@ -699,7 +697,7 @@ static void ad5933_work(struct work_struct *work) mutex_unlock(&indio_dev->mlock); } -static int __devinit ad5933_probe(struct i2c_client *client, +static int ad5933_probe(struct i2c_client *client, const struct i2c_device_id *id) { int ret, voltage_uv = 0; @@ -789,7 +787,7 @@ error_put_reg: return ret; } -static __devexit int ad5933_remove(struct i2c_client *client) +static int ad5933_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct ad5933_state *st = iio_priv(indio_dev); @@ -819,7 +817,7 @@ static struct i2c_driver ad5933_driver = { .name = "ad5933", }, .probe = ad5933_probe, - .remove = __devexit_p(ad5933_remove), + .remove = ad5933_remove, .id_table = ad5933_id, }; module_i2c_driver(ad5933_driver); diff --git a/drivers/staging/iio/imu/adis16400.h b/drivers/staging/iio/imu/adis16400.h index 77c601da1846..7a105e966464 100644 --- a/drivers/staging/iio/imu/adis16400.h +++ b/drivers/staging/iio/imu/adis16400.h @@ -123,6 +123,9 @@ /* SLP_CNT */ #define ADIS16400_SLP_CNT_POWER_OFF (1<<8) +#define ADIS16334_RATE_DIV_SHIFT 8 +#define ADIS16334_RATE_INT_CLK BIT(0) + #define ADIS16400_MAX_TX 24 #define ADIS16400_MAX_RX 24 @@ -130,18 +133,21 @@ #define ADIS16400_SPI_BURST (u32)(1000 * 1000) #define ADIS16400_SPI_FAST (u32)(2000 * 1000) -#define ADIS16400_HAS_PROD_ID 1 -#define ADIS16400_NO_BURST 2 +#define ADIS16400_HAS_PROD_ID BIT(0) +#define ADIS16400_NO_BURST BIT(1) +#define ADIS16400_HAS_SLOW_MODE BIT(2) + struct adis16400_chip_info { const struct iio_chan_spec *channels; const int num_channels; - const int product_id; const long flags; unsigned int gyro_scale_micro; unsigned int accel_scale_micro; int temp_scale_nano; int temp_offset; unsigned long default_scan_mask; + int (*set_freq)(struct iio_dev *indio_dev, unsigned int freq); + int (*get_freq)(struct iio_dev *indio_dev); }; /** diff --git a/drivers/staging/iio/imu/adis16400_core.c b/drivers/staging/iio/imu/adis16400_core.c index 3144a7b1e1c4..9c8f5ab7e13b 100644 --- a/drivers/staging/iio/imu/adis16400_core.c +++ b/drivers/staging/iio/imu/adis16400_core.c @@ -38,7 +38,6 @@ enum adis16400_chip_variant { ADIS16360, ADIS16362, ADIS16364, - ADIS16365, ADIS16400, }; @@ -161,10 +160,39 @@ error_ret: return ret; } -static int adis16400_get_freq(struct iio_dev *indio_dev) +static int adis16334_get_freq(struct iio_dev *indio_dev) { + int ret; u16 t; + + ret = adis16400_spi_read_reg_16(indio_dev, ADIS16400_SMPL_PRD, &t); + if (ret < 0) + return ret; + + t >>= ADIS16334_RATE_DIV_SHIFT; + + return (8192 >> t) / 10; +} + +static int adis16334_set_freq(struct iio_dev *indio_dev, unsigned int freq) +{ + unsigned int t; + + t = ilog2(8192 / (freq * 10)); + + if (t > 0x31) + t = 0x31; + + t <<= ADIS16334_RATE_DIV_SHIFT; + t |= ADIS16334_RATE_INT_CLK; + + return adis16400_spi_write_reg_16(indio_dev, ADIS16400_SMPL_PRD, t); +} + +static int adis16400_get_freq(struct iio_dev *indio_dev) +{ int sps, ret; + u16 t; ret = adis16400_spi_read_reg_16(indio_dev, ADIS16400_SMPL_PRD, &t); if (ret < 0) @@ -175,13 +203,33 @@ static int adis16400_get_freq(struct iio_dev *indio_dev) return sps; } +static int adis16400_set_freq(struct iio_dev *indio_dev, unsigned int freq) +{ + struct adis16400_state *st = iio_priv(indio_dev); + unsigned int t; + + t = 1638 / freq; + if (t > 0) + t--; + t &= ADIS16400_SMPL_PRD_DIV_MASK; + if ((t & ADIS16400_SMPL_PRD_DIV_MASK) >= 0x0A) + st->us->max_speed_hz = ADIS16400_SPI_SLOW; + else + st->us->max_speed_hz = ADIS16400_SPI_FAST; + + return adis16400_spi_write_reg_8(indio_dev, + ADIS16400_SMPL_PRD, t); +} + static ssize_t adis16400_read_frequency(struct device *dev, struct device_attribute *attr, char *buf) { struct iio_dev *indio_dev = dev_to_iio_dev(dev); + struct adis16400_state *st = iio_priv(indio_dev); int ret, len = 0; - ret = adis16400_get_freq(indio_dev); + + ret = st->variant->get_freq(indio_dev); if (ret < 0) return ret; len = sprintf(buf, "%d SPS\n", ret); @@ -229,7 +277,6 @@ static ssize_t adis16400_write_frequency(struct device *dev, struct adis16400_state *st = iio_priv(indio_dev); long val; int ret; - u8 t; ret = strict_strtol(buf, 10, &val); if (ret) @@ -239,18 +286,7 @@ static ssize_t adis16400_write_frequency(struct device *dev, mutex_lock(&indio_dev->mlock); - t = (1638 / val); - if (t > 0) - t--; - t &= ADIS16400_SMPL_PRD_DIV_MASK; - if ((t & ADIS16400_SMPL_PRD_DIV_MASK) >= 0x0A) - st->us->max_speed_hz = ADIS16400_SPI_SLOW; - else - st->us->max_speed_hz = ADIS16400_SPI_FAST; - - ret = adis16400_spi_write_reg_8(indio_dev, - ADIS16400_SMPL_PRD, - t); + st->variant->set_freq(indio_dev, val); /* Also update the filter */ mutex_unlock(&indio_dev->mlock); @@ -378,10 +414,14 @@ static int adis16400_initial_setup(struct iio_dev *indio_dev) { int ret; u16 prod_id, smp_prd; + unsigned int device_id; struct adis16400_state *st = iio_priv(indio_dev); - /* use low spi speed for init */ - st->us->max_speed_hz = ADIS16400_SPI_SLOW; + /* use low spi speed for init if the device has a slow mode */ + if (st->variant->flags & ADIS16400_HAS_SLOW_MODE) + st->us->max_speed_hz = ADIS16400_SPI_SLOW; + else + st->us->max_speed_hz = ADIS16400_SPI_FAST; st->us->mode = SPI_MODE_3; spi_setup(st->us); @@ -414,19 +454,27 @@ static int adis16400_initial_setup(struct iio_dev *indio_dev) if (ret) goto err_ret; - if ((prod_id & 0xF000) != st->variant->product_id) - dev_warn(&indio_dev->dev, "incorrect id"); + sscanf(indio_dev->name, "adis%u\n", &device_id); + + if (prod_id != device_id) + dev_warn(&indio_dev->dev, "Device ID(%u) and product ID(%u) do not match.", + device_id, prod_id); dev_info(&indio_dev->dev, "%s: prod_id 0x%04x at CS%d (irq %d)\n", indio_dev->name, prod_id, st->us->chip_select, st->us->irq); } /* use high spi speed if possible */ - ret = adis16400_spi_read_reg_16(indio_dev, - ADIS16400_SMPL_PRD, &smp_prd); - if (!ret && (smp_prd & ADIS16400_SMPL_PRD_DIV_MASK) < 0x0A) { - st->us->max_speed_hz = ADIS16400_SPI_SLOW; - spi_setup(st->us); + if (st->variant->flags & ADIS16400_HAS_SLOW_MODE) { + ret = adis16400_spi_read_reg_16(indio_dev, + ADIS16400_SMPL_PRD, &smp_prd); + if (ret) + goto err_ret; + + if ((smp_prd & ADIS16400_SMPL_PRD_DIV_MASK) < 0x0A) { + st->us->max_speed_hz = ADIS16400_SPI_FAST; + spi_setup(st->us); + } } err_ret: @@ -503,7 +551,7 @@ static int adis16400_write_raw(struct iio_dev *indio_dev, mutex_lock(&indio_dev->mlock); st->filt_int = val; /* Work out update to current value */ - sps = adis16400_get_freq(indio_dev); + sps = st->variant->get_freq(indio_dev); if (sps < 0) { mutex_unlock(&indio_dev->mlock); return sps; @@ -601,7 +649,7 @@ static int adis16400_read_raw(struct iio_dev *indio_dev, mutex_unlock(&indio_dev->mlock); return ret; } - ret = adis16400_get_freq(indio_dev); + val16 = st->variant->get_freq(indio_dev); if (ret > 0) *val = ret/adis16400_3db_divisors[val16 & 0x03]; *val2 = 0; @@ -624,7 +672,7 @@ static const struct iio_chan_spec adis16400_channels[] = { IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .address = in_supply, .scan_index = ADIS16400_SCAN_SUPPLY, - .scan_type = IIO_ST('u', 14, 16, 0) + .scan_type = IIO_ST('u', 14, 16, 0), }, { .type = IIO_ANGL_VEL, .modified = 1, @@ -635,7 +683,7 @@ static const struct iio_chan_spec adis16400_channels[] = { IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = gyro_x, .scan_index = ADIS16400_SCAN_GYRO_X, - .scan_type = IIO_ST('s', 14, 16, 0) + .scan_type = IIO_ST('s', 14, 16, 0), }, { .type = IIO_ANGL_VEL, .modified = 1, @@ -754,7 +802,7 @@ static const struct iio_chan_spec adis16350_channels[] = { IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .address = in_supply, .scan_index = ADIS16400_SCAN_SUPPLY, - .scan_type = IIO_ST('u', 12, 16, 0) + .scan_type = IIO_ST('u', 12, 16, 0), }, { .type = IIO_ANGL_VEL, .modified = 1, @@ -765,7 +813,7 @@ static const struct iio_chan_spec adis16350_channels[] = { IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT, .address = gyro_x, .scan_index = ADIS16400_SCAN_GYRO_X, - .scan_type = IIO_ST('s', 14, 16, 0) + .scan_type = IIO_ST('s', 14, 16, 0), }, { .type = IIO_ANGL_VEL, .modified = 1, @@ -879,7 +927,7 @@ static const struct iio_chan_spec adis16300_channels[] = { IIO_CHAN_INFO_SCALE_SEPARATE_BIT, .address = in_supply, .scan_index = ADIS16400_SCAN_SUPPLY, - .scan_type = IIO_ST('u', 12, 16, 0) + .scan_type = IIO_ST('u', 12, 16, 0), }, { .type = IIO_ANGL_VEL, .modified = 1, @@ -1060,6 +1108,7 @@ static struct adis16400_chip_info adis16400_chips[] = { [ADIS16300] = { .channels = adis16300_channels, .num_channels = ARRAY_SIZE(adis16300_channels), + .flags = ADIS16400_HAS_SLOW_MODE, .gyro_scale_micro = IIO_DEGREE_TO_RAD(50000), /* 0.05 deg/s */ .accel_scale_micro = 5884, .temp_scale_nano = 140000000, /* 0.14 C */ @@ -1070,10 +1119,13 @@ static struct adis16400_chip_info adis16400_chips[] = { (1 << ADIS16400_SCAN_TEMP) | (1 << ADIS16400_SCAN_ADC_0) | (1 << ADIS16300_SCAN_INCLI_X) | (1 << ADIS16300_SCAN_INCLI_Y) | (1 << 14), + .set_freq = adis16400_set_freq, + .get_freq = adis16400_get_freq, }, [ADIS16334] = { .channels = adis16334_channels, .num_channels = ARRAY_SIZE(adis16334_channels), + .flags = ADIS16400_HAS_PROD_ID, .gyro_scale_micro = IIO_DEGREE_TO_RAD(50000), /* 0.05 deg/s */ .accel_scale_micro = IIO_G_TO_M_S_2(1000), /* 1 mg */ .temp_scale_nano = 67850000, /* 0.06785 C */ @@ -1082,6 +1134,8 @@ static struct adis16400_chip_info adis16400_chips[] = { (1 << ADIS16400_SCAN_GYRO_Y) | (1 << ADIS16400_SCAN_GYRO_Z) | (1 << ADIS16400_SCAN_ACC_X) | (1 << ADIS16400_SCAN_ACC_Y) | (1 << ADIS16400_SCAN_ACC_Z), + .set_freq = adis16334_set_freq, + .get_freq = adis16334_get_freq, }, [ADIS16350] = { .channels = adis16350_channels, @@ -1091,62 +1145,57 @@ static struct adis16400_chip_info adis16400_chips[] = { .temp_scale_nano = 145300000, /* 0.1453 C */ .temp_offset = 25000000 / 145300, /* 25 C = 0x00 */ .default_scan_mask = 0x7FF, - .flags = ADIS16400_NO_BURST, + .flags = ADIS16400_NO_BURST | ADIS16400_HAS_SLOW_MODE, + .set_freq = adis16400_set_freq, + .get_freq = adis16400_get_freq, }, [ADIS16360] = { .channels = adis16350_channels, .num_channels = ARRAY_SIZE(adis16350_channels), - .flags = ADIS16400_HAS_PROD_ID, - .product_id = 0x3FE8, + .flags = ADIS16400_HAS_PROD_ID | ADIS16400_HAS_SLOW_MODE, .gyro_scale_micro = IIO_DEGREE_TO_RAD(50000), /* 0.05 deg/s */ .accel_scale_micro = IIO_G_TO_M_S_2(3333), /* 3.333 mg */ .temp_scale_nano = 136000000, /* 0.136 C */ .temp_offset = 25000000 / 136000, /* 25 C = 0x00 */ .default_scan_mask = 0x7FF, + .set_freq = adis16400_set_freq, + .get_freq = adis16400_get_freq, }, [ADIS16362] = { .channels = adis16350_channels, .num_channels = ARRAY_SIZE(adis16350_channels), - .flags = ADIS16400_HAS_PROD_ID, - .product_id = 0x3FEA, + .flags = ADIS16400_HAS_PROD_ID | ADIS16400_HAS_SLOW_MODE, .gyro_scale_micro = IIO_DEGREE_TO_RAD(50000), /* 0.05 deg/s */ .accel_scale_micro = IIO_G_TO_M_S_2(333), /* 0.333 mg */ .temp_scale_nano = 136000000, /* 0.136 C */ .temp_offset = 25000000 / 136000, /* 25 C = 0x00 */ .default_scan_mask = 0x7FF, + .set_freq = adis16400_set_freq, + .get_freq = adis16400_get_freq, }, [ADIS16364] = { .channels = adis16350_channels, .num_channels = ARRAY_SIZE(adis16350_channels), - .flags = ADIS16400_HAS_PROD_ID, - .product_id = 0x3FEC, - .gyro_scale_micro = IIO_DEGREE_TO_RAD(50000), /* 0.05 deg/s */ - .accel_scale_micro = IIO_G_TO_M_S_2(1000), /* 1 mg */ - .temp_scale_nano = 136000000, /* 0.136 C */ - .temp_offset = 25000000 / 136000, /* 25 C = 0x00 */ - .default_scan_mask = 0x7FF, - }, - [ADIS16365] = { - .channels = adis16350_channels, - .num_channels = ARRAY_SIZE(adis16350_channels), - .flags = ADIS16400_HAS_PROD_ID, - .product_id = 0x3FED, + .flags = ADIS16400_HAS_PROD_ID | ADIS16400_HAS_SLOW_MODE, .gyro_scale_micro = IIO_DEGREE_TO_RAD(50000), /* 0.05 deg/s */ .accel_scale_micro = IIO_G_TO_M_S_2(1000), /* 1 mg */ .temp_scale_nano = 136000000, /* 0.136 C */ .temp_offset = 25000000 / 136000, /* 25 C = 0x00 */ .default_scan_mask = 0x7FF, + .set_freq = adis16400_set_freq, + .get_freq = adis16400_get_freq, }, [ADIS16400] = { .channels = adis16400_channels, .num_channels = ARRAY_SIZE(adis16400_channels), - .flags = ADIS16400_HAS_PROD_ID, - .product_id = 0x4015, + .flags = ADIS16400_HAS_PROD_ID | ADIS16400_HAS_SLOW_MODE, .gyro_scale_micro = IIO_DEGREE_TO_RAD(50000), /* 0.05 deg/s */ .accel_scale_micro = IIO_G_TO_M_S_2(3333), /* 3.333 mg */ .default_scan_mask = 0xFFF, .temp_scale_nano = 140000000, /* 0.14 C */ .temp_offset = 25000000 / 140000, /* 25 C = 0x00 */ + .set_freq = adis16400_set_freq, + .get_freq = adis16400_get_freq, } }; @@ -1157,7 +1206,7 @@ static const struct iio_info adis16400_info = { .attrs = &adis16400_attribute_group, }; -static int __devinit adis16400_probe(struct spi_device *spi) +static int adis16400_probe(struct spi_device *spi) { int ret; struct adis16400_state *st; @@ -1224,7 +1273,7 @@ error_ret: } /* fixme, confirm ordering in this function */ -static int __devexit adis16400_remove(struct spi_device *spi) +static int adis16400_remove(struct spi_device *spi) { struct iio_dev *indio_dev = spi_get_drvdata(spi); @@ -1248,7 +1297,7 @@ static const struct spi_device_id adis16400_id[] = { {"adis16360", ADIS16360}, {"adis16362", ADIS16362}, {"adis16364", ADIS16364}, - {"adis16365", ADIS16365}, + {"adis16365", ADIS16360}, {"adis16400", ADIS16400}, {"adis16405", ADIS16400}, {} @@ -1262,7 +1311,7 @@ static struct spi_driver adis16400_driver = { }, .id_table = adis16400_id, .probe = adis16400_probe, - .remove = __devexit_p(adis16400_remove), + .remove = adis16400_remove, }; module_spi_driver(adis16400_driver); diff --git a/drivers/staging/iio/imu/adis16400_ring.c b/drivers/staging/iio/imu/adis16400_ring.c index 260bdd1a4681..d46c1e38cf7b 100644 --- a/drivers/staging/iio/imu/adis16400_ring.c +++ b/drivers/staging/iio/imu/adis16400_ring.c @@ -114,7 +114,6 @@ static irqreturn_t adis16400_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct adis16400_state *st = iio_priv(indio_dev); - struct iio_buffer *ring = indio_dev->buffer; int i = 0, j, ret = 0; s16 *data; @@ -148,9 +147,9 @@ static irqreturn_t adis16400_trigger_handler(int irq, void *p) } } /* Guaranteed to be aligned with 8 byte boundary */ - if (ring->scan_timestamp) + if (indio_dev->scan_timestamp) *((s64 *)(data + ((i + 3)/4)*4)) = pf->timestamp; - iio_push_to_buffer(ring, (u8 *) data); + iio_push_to_buffers(indio_dev, (u8 *) data); done: kfree(data); diff --git a/drivers/staging/iio/light/isl29018.c b/drivers/staging/iio/light/isl29018.c index 6ee5567d9813..b0adac0bf5d5 100644 --- a/drivers/staging/iio/light/isl29018.c +++ b/drivers/staging/iio/light/isl29018.c @@ -67,6 +67,7 @@ struct isl29018_chip { unsigned int range; unsigned int adc_bit; int prox_scheme; + bool suspended; }; static int isl29018_set_range(struct isl29018_chip *chip, unsigned long range, @@ -355,7 +356,7 @@ static int isl29018_write_raw(struct iio_dev *indio_dev, } mutex_unlock(&chip->lock); - return 0; + return ret; } static int isl29018_read_raw(struct iio_dev *indio_dev, @@ -368,6 +369,10 @@ static int isl29018_read_raw(struct iio_dev *indio_dev, struct isl29018_chip *chip = iio_priv(indio_dev); mutex_lock(&chip->lock); + if (chip->suspended) { + mutex_unlock(&chip->lock); + return -EBUSY; + } switch (mask) { case IIO_CHAN_INFO_RAW: case IIO_CHAN_INFO_PROCESSED: @@ -538,7 +543,7 @@ static const struct regmap_config isl29018_regmap_config = { .cache_type = REGCACHE_RBTREE, }; -static int __devinit isl29018_probe(struct i2c_client *client, +static int isl29018_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct isl29018_chip *chip; @@ -561,6 +566,7 @@ static int __devinit isl29018_probe(struct i2c_client *client, chip->lux_scale = 1; chip->range = 1000; chip->adc_bit = 16; + chip->suspended = false; chip->regmap = devm_regmap_init_i2c(client, &isl29018_regmap_config); if (IS_ERR(chip->regmap)) { @@ -592,7 +598,7 @@ exit: return err; } -static int __devexit isl29018_remove(struct i2c_client *client) +static int isl29018_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); @@ -603,6 +609,44 @@ static int __devexit isl29018_remove(struct i2c_client *client) return 0; } +#ifdef CONFIG_PM_SLEEP +static int isl29018_suspend(struct device *dev) +{ + struct isl29018_chip *chip = iio_priv(dev_get_drvdata(dev)); + + mutex_lock(&chip->lock); + + /* Since this driver uses only polling commands, we are by default in + * auto shutdown (ie, power-down) mode. + * So we do not have much to do here. + */ + chip->suspended = true; + + mutex_unlock(&chip->lock); + return 0; +} + +static int isl29018_resume(struct device *dev) +{ + struct isl29018_chip *chip = iio_priv(dev_get_drvdata(dev)); + int err; + + mutex_lock(&chip->lock); + + err = isl29018_chip_init(chip); + if (!err) + chip->suspended = false; + + mutex_unlock(&chip->lock); + return err; +} + +static SIMPLE_DEV_PM_OPS(isl29018_pm_ops, isl29018_suspend, isl29018_resume); +#define ISL29018_PM_OPS (&isl29018_pm_ops) +#else +#define ISL29018_PM_OPS NULL +#endif + static const struct i2c_device_id isl29018_id[] = { {"isl29018", 0}, {} @@ -620,11 +664,12 @@ static struct i2c_driver isl29018_driver = { .class = I2C_CLASS_HWMON, .driver = { .name = "isl29018", + .pm = ISL29018_PM_OPS, .owner = THIS_MODULE, .of_match_table = isl29018_of_match, }, .probe = isl29018_probe, - .remove = __devexit_p(isl29018_remove), + .remove = isl29018_remove, .id_table = isl29018_id, }; module_i2c_driver(isl29018_driver); diff --git a/drivers/staging/iio/light/isl29028.c b/drivers/staging/iio/light/isl29028.c index 33a4c3f94a14..e52af77f7782 100644 --- a/drivers/staging/iio/light/isl29028.c +++ b/drivers/staging/iio/light/isl29028.c @@ -475,7 +475,7 @@ static const struct regmap_config isl29028_regmap_config = { .cache_type = REGCACHE_RBTREE, }; -static int __devinit isl29028_probe(struct i2c_client *client, +static int isl29028_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct isl29028_chip *chip; @@ -526,7 +526,7 @@ exit_iio_free: return ret; } -static int __devexit isl29028_remove(struct i2c_client *client) +static int isl29028_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); @@ -555,7 +555,7 @@ static struct i2c_driver isl29028_driver = { .of_match_table = isl29028_of_match, }, .probe = isl29028_probe, - .remove = __devexit_p(isl29028_remove), + .remove = isl29028_remove, .id_table = isl29028_id, }; diff --git a/drivers/staging/iio/light/tsl2563.c b/drivers/staging/iio/light/tsl2563.c index 954ca2c172c6..1a9adc020f64 100644 --- a/drivers/staging/iio/light/tsl2563.c +++ b/drivers/staging/iio/light/tsl2563.c @@ -652,7 +652,7 @@ static int tsl2563_write_interrupt_config(struct iio_dev *indio_dev, } if (!state && (chip->intr & 0x30)) { - chip->intr |= ~0x30; + chip->intr &= ~0x30; ret = i2c_smbus_write_byte_data(chip->client, TSL2563_CMD | TSL2563_REG_INT, chip->intr); @@ -705,7 +705,7 @@ static const struct iio_info tsl2563_info = { .write_event_config = &tsl2563_write_interrupt_config, }; -static int __devinit tsl2563_probe(struct i2c_client *client, +static int tsl2563_probe(struct i2c_client *client, const struct i2c_device_id *device_id) { struct iio_dev *indio_dev; @@ -805,7 +805,7 @@ fail1: return err; } -static int __devexit tsl2563_remove(struct i2c_client *client) +static int tsl2563_remove(struct i2c_client *client) { struct tsl2563_chip *chip = i2c_get_clientdata(client); struct iio_dev *indio_dev = iio_priv_to_dev(chip); @@ -814,7 +814,7 @@ static int __devexit tsl2563_remove(struct i2c_client *client) if (!chip->int_enabled) cancel_delayed_work(&chip->poweroff_work); /* Ensure that interrupts are disabled - then flush any bottom halves */ - chip->intr |= ~0x30; + chip->intr &= ~0x30; i2c_smbus_write_byte_data(chip->client, TSL2563_CMD | TSL2563_REG_INT, chip->intr); flush_scheduled_work(); @@ -889,7 +889,7 @@ static struct i2c_driver tsl2563_i2c_driver = { .pm = TSL2563_PM_OPS, }, .probe = tsl2563_probe, - .remove = __devexit_p(tsl2563_remove), + .remove = tsl2563_remove, .id_table = tsl2563_id, }; module_i2c_driver(tsl2563_i2c_driver); diff --git a/drivers/staging/iio/light/tsl2583.c b/drivers/staging/iio/light/tsl2583.c index 6d2f4c659e56..b377dd3b76ad 100644 --- a/drivers/staging/iio/light/tsl2583.c +++ b/drivers/staging/iio/light/tsl2583.c @@ -799,7 +799,7 @@ static const struct iio_info tsl2583_info = { * Client probe function - When a valid device is found, the driver's device * data structure is updated, and initialization completes successfully. */ -static int __devinit taos_probe(struct i2c_client *clientp, +static int taos_probe(struct i2c_client *clientp, const struct i2c_device_id *idp) { int i, ret; @@ -923,7 +923,7 @@ static SIMPLE_DEV_PM_OPS(taos_pm_ops, taos_suspend, taos_resume); #define TAOS_PM_OPS NULL #endif -static int __devexit taos_remove(struct i2c_client *client) +static int taos_remove(struct i2c_client *client) { iio_device_unregister(i2c_get_clientdata(client)); iio_device_free(i2c_get_clientdata(client)); @@ -947,7 +947,7 @@ static struct i2c_driver taos_driver = { }, .id_table = taos_idtable, .probe = taos_probe, - .remove = __devexit_p(taos_remove), + .remove = taos_remove, }; module_i2c_driver(taos_driver); diff --git a/drivers/staging/iio/light/tsl2x7x_core.c b/drivers/staging/iio/light/tsl2x7x_core.c index 497a977ae411..9e50fbbadf9d 100644 --- a/drivers/staging/iio/light/tsl2x7x_core.c +++ b/drivers/staging/iio/light/tsl2x7x_core.c @@ -1897,7 +1897,7 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = { }, }; -static int __devinit tsl2x7x_probe(struct i2c_client *clientp, +static int tsl2x7x_probe(struct i2c_client *clientp, const struct i2c_device_id *id) { int ret; @@ -2026,7 +2026,7 @@ static int tsl2x7x_resume(struct device *dev) return ret; } -static int __devexit tsl2x7x_remove(struct i2c_client *client) +static int tsl2x7x_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); @@ -2070,7 +2070,7 @@ static struct i2c_driver tsl2x7x_driver = { }, .id_table = tsl2x7x_idtable, .probe = tsl2x7x_probe, - .remove = __devexit_p(tsl2x7x_remove), + .remove = tsl2x7x_remove, }; module_i2c_driver(tsl2x7x_driver); diff --git a/drivers/staging/iio/magnetometer/ak8975.c b/drivers/staging/iio/magnetometer/ak8975.c index 01b4b07c227b..28f080e9eeee 100644 --- a/drivers/staging/iio/magnetometer/ak8975.c +++ b/drivers/staging/iio/magnetometer/ak8975.c @@ -409,7 +409,7 @@ static const struct iio_info ak8975_info = { .driver_module = THIS_MODULE, }; -static int __devinit ak8975_probe(struct i2c_client *client, +static int ak8975_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct ak8975_data *data; @@ -475,7 +475,7 @@ exit: return err; } -static int __devexit ak8975_remove(struct i2c_client *client) +static int ak8975_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct ak8975_data *data = iio_priv(indio_dev); @@ -510,7 +510,7 @@ static struct i2c_driver ak8975_driver = { .of_match_table = ak8975_of_match, }, .probe = ak8975_probe, - .remove = __devexit_p(ak8975_remove), + .remove = ak8975_remove, .id_table = ak8975_id, }; module_i2c_driver(ak8975_driver); diff --git a/drivers/staging/iio/magnetometer/hmc5843.c b/drivers/staging/iio/magnetometer/hmc5843.c index 10e095486e54..1a520ecfa3e2 100644 --- a/drivers/staging/iio/magnetometer/hmc5843.c +++ b/drivers/staging/iio/magnetometer/hmc5843.c @@ -555,7 +555,7 @@ static int hmc5843_read_raw(struct iio_dev *indio_dev, *val = 0; *val2 = data->variant->regval_to_nanoscale[data->range]; return IIO_VAL_INT_PLUS_NANO; - }; + } return -EINVAL; } @@ -665,7 +665,7 @@ static const struct iio_info hmc5843_info = { .driver_module = THIS_MODULE, }; -static int __devinit hmc5843_probe(struct i2c_client *client, +static int hmc5843_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct hmc5843_data *data; @@ -704,7 +704,7 @@ exit: return err; } -static int __devexit hmc5843_remove(struct i2c_client *client) +static int hmc5843_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); @@ -755,7 +755,7 @@ static struct i2c_driver hmc5843_driver = { }, .id_table = hmc5843_id, .probe = hmc5843_probe, - .remove = __devexit_p(hmc5843_remove), + .remove = hmc5843_remove, .detect = hmc5843_detect, .address_list = normal_i2c, }; diff --git a/drivers/staging/iio/meter/ade7753.c b/drivers/staging/iio/meter/ade7753.c index 8b9eceb66b37..51c3bdece785 100644 --- a/drivers/staging/iio/meter/ade7753.c +++ b/drivers/staging/iio/meter/ade7753.c @@ -512,7 +512,7 @@ static const struct iio_info ade7753_info = { .driver_module = THIS_MODULE, }; -static int __devinit ade7753_probe(struct spi_device *spi) +static int ade7753_probe(struct spi_device *spi) { int ret; struct ade7753_state *st; @@ -555,7 +555,7 @@ error_ret: } /* fixme, confirm ordering in this function */ -static int __devexit ade7753_remove(struct spi_device *spi) +static int ade7753_remove(struct spi_device *spi) { struct iio_dev *indio_dev = spi_get_drvdata(spi); @@ -572,7 +572,7 @@ static struct spi_driver ade7753_driver = { .owner = THIS_MODULE, }, .probe = ade7753_probe, - .remove = __devexit_p(ade7753_remove), + .remove = ade7753_remove, }; module_spi_driver(ade7753_driver); diff --git a/drivers/staging/iio/meter/ade7753.h b/drivers/staging/iio/meter/ade7753.h index 3f059d3d9392..a9d93cc1c414 100644 --- a/drivers/staging/iio/meter/ade7753.h +++ b/drivers/staging/iio/meter/ade7753.h @@ -55,8 +55,6 @@ #define ADE7753_SPI_BURST (u32)(1000 * 1000) #define ADE7753_SPI_FAST (u32)(2000 * 1000) -#define DRIVER_NAME "ade7753" - /** * struct ade7753_state - device instance specific data * @us: actual spi_device diff --git a/drivers/staging/iio/meter/ade7754.c b/drivers/staging/iio/meter/ade7754.c index 76e0adee96ea..b50c89e93993 100644 --- a/drivers/staging/iio/meter/ade7754.c +++ b/drivers/staging/iio/meter/ade7754.c @@ -535,7 +535,7 @@ static const struct iio_info ade7754_info = { .driver_module = THIS_MODULE, }; -static int __devinit ade7754_probe(struct spi_device *spi) +static int ade7754_probe(struct spi_device *spi) { int ret; struct ade7754_state *st; @@ -577,7 +577,7 @@ error_ret: } /* fixme, confirm ordering in this function */ -static int __devexit ade7754_remove(struct spi_device *spi) +static int ade7754_remove(struct spi_device *spi) { struct iio_dev *indio_dev = spi_get_drvdata(spi); @@ -594,7 +594,7 @@ static struct spi_driver ade7754_driver = { .owner = THIS_MODULE, }, .probe = ade7754_probe, - .remove = __devexit_p(ade7754_remove), + .remove = ade7754_remove, }; module_spi_driver(ade7754_driver); diff --git a/drivers/staging/iio/meter/ade7754.h b/drivers/staging/iio/meter/ade7754.h index 6121125520f6..e42ffc387a14 100644 --- a/drivers/staging/iio/meter/ade7754.h +++ b/drivers/staging/iio/meter/ade7754.h @@ -73,8 +73,6 @@ #define ADE7754_SPI_BURST (u32)(1000 * 1000) #define ADE7754_SPI_FAST (u32)(2000 * 1000) -#define DRIVER_NAME "ade7754" - /** * struct ade7754_state - device instance specific data * @us: actual spi_device diff --git a/drivers/staging/iio/meter/ade7758.h b/drivers/staging/iio/meter/ade7758.h index 1e11ad5ae5a4..07318203a836 100644 --- a/drivers/staging/iio/meter/ade7758.h +++ b/drivers/staging/iio/meter/ade7758.h @@ -105,9 +105,6 @@ #define AD7758_APP_PWR 4 #define AD7758_WT(p, w) (((w) << 2) | (p)) -#define DRIVER_NAME "ade7758" - - /** * struct ade7758_state - device instance specific data * @us: actual spi_device diff --git a/drivers/staging/iio/meter/ade7758_core.c b/drivers/staging/iio/meter/ade7758_core.c index a0fef77d8e5e..3454e5154ed2 100644 --- a/drivers/staging/iio/meter/ade7758_core.c +++ b/drivers/staging/iio/meter/ade7758_core.c @@ -881,7 +881,7 @@ static const struct iio_info ade7758_info = { .driver_module = THIS_MODULE, }; -static int __devinit ade7758_probe(struct spi_device *spi) +static int ade7758_probe(struct spi_device *spi) { int ret; struct ade7758_state *st; @@ -962,7 +962,7 @@ error_ret: return ret; } -static int __devexit ade7758_remove(struct spi_device *spi) +static int ade7758_remove(struct spi_device *spi) { struct iio_dev *indio_dev = spi_get_drvdata(spi); struct ade7758_state *st = iio_priv(indio_dev); @@ -992,7 +992,7 @@ static struct spi_driver ade7758_driver = { .owner = THIS_MODULE, }, .probe = ade7758_probe, - .remove = __devexit_p(ade7758_remove), + .remove = ade7758_remove, .id_table = ade7758_id, }; module_spi_driver(ade7758_driver); diff --git a/drivers/staging/iio/meter/ade7758_ring.c b/drivers/staging/iio/meter/ade7758_ring.c index 9e49baccf660..4552a4c7fe33 100644 --- a/drivers/staging/iio/meter/ade7758_ring.c +++ b/drivers/staging/iio/meter/ade7758_ring.c @@ -73,7 +73,7 @@ static irqreturn_t ade7758_trigger_handler(int irq, void *p) if (indio_dev->scan_timestamp) dat64[1] = pf->timestamp; - iio_push_to_buffer(indio_dev->buffer, (u8 *)dat64); + iio_push_to_buffers(indio_dev, (u8 *)dat64); iio_trigger_notify_done(indio_dev->trig); diff --git a/drivers/staging/iio/meter/ade7759.c b/drivers/staging/iio/meter/ade7759.c index cb0707cbc347..10b911bd3853 100644 --- a/drivers/staging/iio/meter/ade7759.c +++ b/drivers/staging/iio/meter/ade7759.c @@ -458,7 +458,7 @@ static const struct iio_info ade7759_info = { .driver_module = THIS_MODULE, }; -static int __devinit ade7759_probe(struct spi_device *spi) +static int ade7759_probe(struct spi_device *spi) { int ret; struct ade7759_state *st; @@ -499,7 +499,7 @@ error_ret: } /* fixme, confirm ordering in this function */ -static int __devexit ade7759_remove(struct spi_device *spi) +static int ade7759_remove(struct spi_device *spi) { struct iio_dev *indio_dev = spi_get_drvdata(spi); @@ -516,7 +516,7 @@ static struct spi_driver ade7759_driver = { .owner = THIS_MODULE, }, .probe = ade7759_probe, - .remove = __devexit_p(ade7759_remove), + .remove = ade7759_remove, }; module_spi_driver(ade7759_driver); diff --git a/drivers/staging/iio/meter/ade7759.h b/drivers/staging/iio/meter/ade7759.h index c81d23d730d2..f9ff1f8e7372 100644 --- a/drivers/staging/iio/meter/ade7759.h +++ b/drivers/staging/iio/meter/ade7759.h @@ -36,8 +36,6 @@ #define ADE7759_SPI_BURST (u32)(1000 * 1000) #define ADE7759_SPI_FAST (u32)(2000 * 1000) -#define DRIVER_NAME "ade7759" - /** * struct ade7759_state - device instance specific data * @us: actual spi_device diff --git a/drivers/staging/iio/meter/ade7854-i2c.c b/drivers/staging/iio/meter/ade7854-i2c.c index 06090465fa5f..db9ef6c86c1e 100644 --- a/drivers/staging/iio/meter/ade7854-i2c.c +++ b/drivers/staging/iio/meter/ade7854-i2c.c @@ -201,7 +201,7 @@ out: return ret; } -static int __devinit ade7854_i2c_probe(struct i2c_client *client, +static int ade7854_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { int ret; @@ -231,7 +231,7 @@ static int __devinit ade7854_i2c_probe(struct i2c_client *client, return ret; } -static int __devexit ade7854_i2c_remove(struct i2c_client *client) +static int ade7854_i2c_remove(struct i2c_client *client) { return ade7854_remove(i2c_get_clientdata(client)); } @@ -250,7 +250,7 @@ static struct i2c_driver ade7854_i2c_driver = { .name = "ade7854", }, .probe = ade7854_i2c_probe, - .remove = __devexit_p(ade7854_i2c_remove), + .remove = ade7854_i2c_remove, .id_table = ade7854_id, }; module_i2c_driver(ade7854_i2c_driver); diff --git a/drivers/staging/iio/meter/ade7854-spi.c b/drivers/staging/iio/meter/ade7854-spi.c index 7dae03573428..f0984fa1cbb9 100644 --- a/drivers/staging/iio/meter/ade7854-spi.c +++ b/drivers/staging/iio/meter/ade7854-spi.c @@ -300,7 +300,7 @@ error_ret: return ret; } -static int __devinit ade7854_spi_probe(struct spi_device *spi) +static int ade7854_spi_probe(struct spi_device *spi) { int ret; struct ade7854_state *st; @@ -330,7 +330,7 @@ static int __devinit ade7854_spi_probe(struct spi_device *spi) return 0; } -static int __devexit ade7854_spi_remove(struct spi_device *spi) +static int ade7854_spi_remove(struct spi_device *spi) { ade7854_remove(spi_get_drvdata(spi)); @@ -351,7 +351,7 @@ static struct spi_driver ade7854_driver = { .owner = THIS_MODULE, }, .probe = ade7854_spi_probe, - .remove = __devexit_p(ade7854_spi_remove), + .remove = ade7854_spi_remove, .id_table = ade7854_id, }; module_spi_driver(ade7854_driver); diff --git a/drivers/staging/iio/meter/ade7854.h b/drivers/staging/iio/meter/ade7854.h index 2c96e8695d57..06534577f6c3 100644 --- a/drivers/staging/iio/meter/ade7854.h +++ b/drivers/staging/iio/meter/ade7854.h @@ -142,8 +142,6 @@ #define ADE7854_SPI_BURST (u32)(1000 * 1000) #define ADE7854_SPI_FAST (u32)(2000 * 1000) -#define DRIVER_NAME "ade7854" - /** * struct ade7854_state - device instance specific data * @spi: actual spi_device diff --git a/drivers/staging/iio/resolver/ad2s1200.c b/drivers/staging/iio/resolver/ad2s1200.c index 8b71eb0e16f5..4fe349914f9a 100644 --- a/drivers/staging/iio/resolver/ad2s1200.c +++ b/drivers/staging/iio/resolver/ad2s1200.c @@ -99,7 +99,7 @@ static const struct iio_info ad2s1200_info = { .driver_module = THIS_MODULE, }; -static int __devinit ad2s1200_probe(struct spi_device *spi) +static int ad2s1200_probe(struct spi_device *spi) { struct ad2s1200_state *st; struct iio_dev *indio_dev; @@ -149,7 +149,7 @@ error_ret: return ret; } -static int __devexit ad2s1200_remove(struct spi_device *spi) +static int ad2s1200_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); iio_device_free(spi_get_drvdata(spi)); @@ -170,7 +170,7 @@ static struct spi_driver ad2s1200_driver = { .owner = THIS_MODULE, }, .probe = ad2s1200_probe, - .remove = __devexit_p(ad2s1200_remove), + .remove = ad2s1200_remove, .id_table = ad2s1200_id, }; module_spi_driver(ad2s1200_driver); diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c index 4ba4d05ed423..ed07a348eb55 100644 --- a/drivers/staging/iio/resolver/ad2s1210.c +++ b/drivers/staging/iio/resolver/ad2s1210.c @@ -610,7 +610,7 @@ static const struct attribute_group ad2s1210_attribute_group = { .attrs = ad2s1210_attributes, }; -static int __devinit ad2s1210_initial(struct ad2s1210_state *st) +static int ad2s1210_initial(struct ad2s1210_state *st) { unsigned char data; int ret; @@ -681,7 +681,7 @@ static void ad2s1210_free_gpios(struct ad2s1210_state *st) gpio_free_array(ad2s1210_gpios, ARRAY_SIZE(ad2s1210_gpios)); } -static int __devinit ad2s1210_probe(struct spi_device *spi) +static int ad2s1210_probe(struct spi_device *spi) { struct iio_dev *indio_dev; struct ad2s1210_state *st; @@ -736,7 +736,7 @@ error_ret: return ret; } -static int __devexit ad2s1210_remove(struct spi_device *spi) +static int ad2s1210_remove(struct spi_device *spi) { struct iio_dev *indio_dev = spi_get_drvdata(spi); @@ -759,7 +759,7 @@ static struct spi_driver ad2s1210_driver = { .owner = THIS_MODULE, }, .probe = ad2s1210_probe, - .remove = __devexit_p(ad2s1210_remove), + .remove = ad2s1210_remove, .id_table = ad2s1210_id, }; module_spi_driver(ad2s1210_driver); diff --git a/drivers/staging/iio/resolver/ad2s90.c b/drivers/staging/iio/resolver/ad2s90.c index a8057228dca1..0aecfbcdb992 100644 --- a/drivers/staging/iio/resolver/ad2s90.c +++ b/drivers/staging/iio/resolver/ad2s90.c @@ -58,7 +58,7 @@ static const struct iio_chan_spec ad2s90_chan = { .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, }; -static int __devinit ad2s90_probe(struct spi_device *spi) +static int ad2s90_probe(struct spi_device *spi) { struct iio_dev *indio_dev; struct ad2s90_state *st; @@ -98,7 +98,7 @@ error_ret: return ret; } -static int __devexit ad2s90_remove(struct spi_device *spi) +static int ad2s90_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); iio_device_free(spi_get_drvdata(spi)); @@ -118,7 +118,7 @@ static struct spi_driver ad2s90_driver = { .owner = THIS_MODULE, }, .probe = ad2s90_probe, - .remove = __devexit_p(ad2s90_remove), + .remove = ad2s90_remove, .id_table = ad2s90_id, }; module_spi_driver(ad2s90_driver); diff --git a/drivers/staging/iio/trigger/iio-trig-bfin-timer.c b/drivers/staging/iio/trigger/iio-trig-bfin-timer.c index 52062d786f84..42798da575c0 100644 --- a/drivers/staging/iio/trigger/iio-trig-bfin-timer.c +++ b/drivers/staging/iio/trigger/iio-trig-bfin-timer.c @@ -180,7 +180,7 @@ static const struct iio_trigger_ops iio_bfin_tmr_trigger_ops = { .set_trigger_state = iio_bfin_tmr_set_state, }; -static int __devinit iio_bfin_tmr_trigger_probe(struct platform_device *pdev) +static int iio_bfin_tmr_trigger_probe(struct platform_device *pdev) { struct iio_bfin_timer_trigger_pdata *pdata = pdev->dev.platform_data; struct bfin_tmr_state *st; @@ -275,7 +275,7 @@ out: return ret; } -static int __devexit iio_bfin_tmr_trigger_remove(struct platform_device *pdev) +static int iio_bfin_tmr_trigger_remove(struct platform_device *pdev) { struct bfin_tmr_state *st = platform_get_drvdata(pdev); @@ -296,7 +296,7 @@ static struct platform_driver iio_bfin_tmr_trigger_driver = { .owner = THIS_MODULE, }, .probe = iio_bfin_tmr_trigger_probe, - .remove = __devexit_p(iio_bfin_tmr_trigger_remove), + .remove = iio_bfin_tmr_trigger_remove, }; module_platform_driver(iio_bfin_tmr_trigger_driver); diff --git a/drivers/staging/iio/trigger/iio-trig-gpio.c b/drivers/staging/iio/trigger/iio-trig-gpio.c index 5ff4d7fa20fa..fcc4cb048c9a 100644 --- a/drivers/staging/iio/trigger/iio-trig-gpio.c +++ b/drivers/staging/iio/trigger/iio-trig-gpio.c @@ -51,7 +51,7 @@ static const struct iio_trigger_ops iio_gpio_trigger_ops = { .owner = THIS_MODULE, }; -static int __devinit iio_gpio_trigger_probe(struct platform_device *pdev) +static int iio_gpio_trigger_probe(struct platform_device *pdev) { struct iio_gpio_trigger_info *trig_info; struct iio_trigger *trig, *trig2; @@ -130,7 +130,7 @@ error_free_completed_registrations: return ret; } -static int __devexit iio_gpio_trigger_remove(struct platform_device *pdev) +static int iio_gpio_trigger_remove(struct platform_device *pdev) { struct iio_trigger *trig, *trig2; struct iio_gpio_trigger_info *trig_info; @@ -153,7 +153,7 @@ static int __devexit iio_gpio_trigger_remove(struct platform_device *pdev) static struct platform_driver iio_gpio_trigger_driver = { .probe = iio_gpio_trigger_probe, - .remove = __devexit_p(iio_gpio_trigger_remove), + .remove = iio_gpio_trigger_remove, .driver = { .name = "iio_gpio_trigger", .owner = THIS_MODULE, diff --git a/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c b/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c index a3de76d70cdc..9102b1ba2530 100644 --- a/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c +++ b/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c @@ -101,7 +101,7 @@ static const struct iio_trigger_ops iio_prtc_trigger_ops = { .set_trigger_state = &iio_trig_periodic_rtc_set_state, }; -static int __devinit iio_trig_periodic_rtc_probe(struct platform_device *dev) +static int iio_trig_periodic_rtc_probe(struct platform_device *dev) { char **pdata = dev->dev.platform_data; struct iio_prtc_trigger_info *trig_info; @@ -167,7 +167,7 @@ error_free_completed_registrations: return ret; } -static int __devexit iio_trig_periodic_rtc_remove(struct platform_device *dev) +static int iio_trig_periodic_rtc_remove(struct platform_device *dev) { struct iio_trigger *trig, *trig2; struct iio_prtc_trigger_info *trig_info; @@ -188,7 +188,7 @@ static int __devexit iio_trig_periodic_rtc_remove(struct platform_device *dev) static struct platform_driver iio_trig_periodic_rtc_driver = { .probe = iio_trig_periodic_rtc_probe, - .remove = __devexit_p(iio_trig_periodic_rtc_remove), + .remove = iio_trig_periodic_rtc_remove, .driver = { .name = "iio_prtc_trigger", .owner = THIS_MODULE, |