mirror of https://gitee.com/openkylin/linux.git
staging:iio:adc:ad799x: Convert to new channel registration method.
Convert to new channel registration method Update copyright header Add missing call to iio_trigger_notify_done() V2: IIO_CHAN macro updates Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Acked-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Michael Hennerich
Greg Kroah-Hartman
parent
f39e086adc
commit
d22fd9c553
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@ -1,5 +1,5 @@
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/*
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* Copyright (C) 2010 Michael Hennerich, Analog Devices Inc.
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* Copyright (C) 2010-2011 Michael Hennerich, Analog Devices Inc.
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* Copyright (C) 2008-2010 Jonathan Cameron
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*
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* This program is free software; you can redistribute it and/or modify
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@ -67,6 +67,8 @@
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#define AD7997_8_READ_SINGLE 0x80
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#define AD7997_8_READ_SEQUENCE 0x70
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/* TODO: move this into a common header */
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#define RES_MASK(bits) ((1 << (bits)) - 1)
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enum {
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ad7991,
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@ -83,30 +85,21 @@ struct ad799x_state;
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/**
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* struct ad799x_chip_info - chip specifc information
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* @num_inputs: number of physical inputs on chip
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* @bits: accuracy of the adc in bits
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* @channel: channel specification
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* @num_channels: number of channels
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* @int_vref_mv: the internal reference voltage
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* @monitor_mode: whether the chip supports monitor interrupts
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* @default_config: device default configuration
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* @dev_attrs: pointer to the device attribute group
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* @scan_attrs: pointer to the scan element attribute group
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* @event_attrs: pointer to the monitor event attribute group
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* @ad799x_set_scan_mode: function pointer to the device specific mode function
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*/
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struct ad799x_chip_info {
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u8 num_inputs;
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u8 bits;
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u8 storagebits;
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char sign;
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struct iio_chan_spec channel[9];
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int num_channels;
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u16 int_vref_mv;
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bool monitor_mode;
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u16 default_config;
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struct attribute_group *dev_attrs;
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struct attribute_group *scan_attrs;
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struct attribute_group *event_attrs;
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int (*ad799x_set_scan_mode) (struct ad799x_state *st,
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unsigned mask);
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};
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struct ad799x_state {
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@ -130,7 +123,7 @@ struct ad799x_platform_data {
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u16 vref_mv;
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};
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int ad799x_set_scan_mode(struct ad799x_state *st, unsigned mask);
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int ad7997_8_set_scan_mode(struct ad799x_state *st, unsigned mask);
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#ifdef CONFIG_AD799X_RING_BUFFER
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int ad799x_single_channel_from_ring(struct ad799x_state *st, long mask);
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@ -1,6 +1,6 @@
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/*
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* iio/adc/ad799x.c
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* Copyright (C) 2010 Michael Hennerich, Analog Devices Inc.
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* Copyright (C) 2010-1011 Michael Hennerich, Analog Devices Inc.
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*
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* based on iio/adc/max1363
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* Copyright (C) 2008-2010 Jonathan Cameron
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@ -100,130 +100,77 @@ static int ad799x_i2c_write8(struct ad799x_state *st, u8 reg, u8 data)
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return ret;
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}
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static int ad799x_scan_el_set_state(struct iio_scan_el *scan_el,
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struct iio_dev *indio_dev,
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bool state)
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{
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struct ad799x_state *st = indio_dev->dev_data;
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return ad799x_set_scan_mode(st, st->indio_dev->ring->scan_mask);
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}
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/* Here we claim all are 16 bits. This currently does no harm and saves
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* us a lot of scan element listings */
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#define AD799X_SCAN_EL(number) \
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IIO_SCAN_EL_C(in##number, number, 0, ad799x_scan_el_set_state);
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static AD799X_SCAN_EL(0);
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static AD799X_SCAN_EL(1);
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static AD799X_SCAN_EL(2);
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static AD799X_SCAN_EL(3);
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static AD799X_SCAN_EL(4);
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static AD799X_SCAN_EL(5);
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static AD799X_SCAN_EL(6);
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static AD799X_SCAN_EL(7);
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static IIO_SCAN_EL_TIMESTAMP(8);
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static IIO_CONST_ATTR_SCAN_EL_TYPE(timestamp, s, 64, 64)
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static ssize_t ad799x_show_type(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct iio_ring_buffer *ring = dev_get_drvdata(dev);
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struct iio_dev *indio_dev = ring->indio_dev;
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struct ad799x_state *st = indio_dev->dev_data;
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return sprintf(buf, "%c%d/%d\n", st->chip_info->sign,
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st->chip_info->bits, AD799X_STORAGEBITS);
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}
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static IIO_DEVICE_ATTR(in_type, S_IRUGO, ad799x_show_type, NULL, 0);
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static int ad7991_5_9_set_scan_mode(struct ad799x_state *st, unsigned mask)
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{
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return i2c_smbus_write_byte(st->client,
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st->config | (mask << AD799X_CHANNEL_SHIFT));
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}
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static int ad7992_3_4_set_scan_mode(struct ad799x_state *st, unsigned mask)
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{
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return ad799x_i2c_write8(st, AD7998_CONF_REG,
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st->config | (mask << AD799X_CHANNEL_SHIFT));
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}
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static int ad7997_8_set_scan_mode(struct ad799x_state *st, unsigned mask)
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int ad7997_8_set_scan_mode(struct ad799x_state *st, unsigned mask)
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{
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return ad799x_i2c_write16(st, AD7998_CONF_REG,
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st->config | (mask << AD799X_CHANNEL_SHIFT));
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}
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int ad799x_set_scan_mode(struct ad799x_state *st, unsigned mask)
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static int ad799x_scan_direct(struct ad799x_state *st, unsigned ch)
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{
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u16 rxbuf;
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u8 cmd;
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int ret;
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if (st->chip_info->ad799x_set_scan_mode != NULL) {
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ret = st->chip_info->ad799x_set_scan_mode(st, mask);
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return (ret > 0) ? 0 : ret;
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}
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return 0;
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}
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static ssize_t ad799x_read_single_channel(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct iio_dev *dev_info = dev_get_drvdata(dev);
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struct ad799x_state *st = iio_dev_get_devdata(dev_info);
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struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
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int ret = 0, len = 0;
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u32 data ;
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u16 rxbuf[1];
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u8 cmd;
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long mask;
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mutex_lock(&dev_info->mlock);
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mask = 1 << this_attr->address;
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/* If ring buffer capture is occurring, query the buffer */
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if (iio_ring_enabled(dev_info)) {
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data = ret = ad799x_single_channel_from_ring(st, mask);
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if (ret < 0)
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goto error_ret;
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ret = 0;
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} else {
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switch (st->id) {
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case ad7991:
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case ad7995:
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case ad7999:
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cmd = st->config | (mask << AD799X_CHANNEL_SHIFT);
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cmd = st->config | ((1 << ch) << AD799X_CHANNEL_SHIFT);
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break;
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case ad7992:
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case ad7993:
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case ad7994:
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cmd = mask << AD799X_CHANNEL_SHIFT;
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cmd = (1 << ch) << AD799X_CHANNEL_SHIFT;
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break;
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case ad7997:
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case ad7998:
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cmd = (this_attr->address <<
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AD799X_CHANNEL_SHIFT) | AD7997_8_READ_SINGLE;
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cmd = (ch << AD799X_CHANNEL_SHIFT) | AD7997_8_READ_SINGLE;
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break;
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default:
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cmd = 0;
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return -EINVAL;
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}
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ret = ad799x_i2c_read16(st, cmd, rxbuf);
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ret = ad799x_i2c_read16(st, cmd, &rxbuf);
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if (ret < 0)
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goto error_ret;
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return ret;
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data = rxbuf[0];
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}
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return rxbuf;
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}
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/* Pretty print the result */
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len = sprintf(buf, "%u\n", data & ((1 << (st->chip_info->bits)) - 1));
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static int ad799x_read_raw(struct iio_dev *dev_info,
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struct iio_chan_spec const *chan,
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int *val,
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int *val2,
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long m)
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{
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int ret;
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struct ad799x_state *st = dev_info->dev_data;
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unsigned int scale_uv;
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error_ret:
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switch (m) {
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case 0:
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mutex_lock(&dev_info->mlock);
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if (iio_ring_enabled(dev_info))
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ret = ad799x_single_channel_from_ring(st,
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1 << chan->address);
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else
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ret = ad799x_scan_direct(st, chan->address);
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mutex_unlock(&dev_info->mlock);
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return ret ? ret : len;
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if (ret < 0)
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return ret;
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*val = (ret >> st->chip_info->channel[0].scan_type.shift) &
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RES_MASK(st->chip_info->channel[0].scan_type.realbits);
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return IIO_VAL_INT;
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case (1 << IIO_CHAN_INFO_SCALE_SHARED):
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scale_uv = (st->int_vref_mv * 1000)
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>> st->chip_info->channel[0].scan_type.realbits;
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*val = scale_uv / 1000;
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*val2 = (scale_uv % 1000) * 1000;
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return IIO_VAL_INT_PLUS_MICRO;
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}
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return -EINVAL;
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}
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static ssize_t ad799x_read_frequency(struct device *dev,
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@ -331,7 +278,6 @@ static ssize_t ad799x_write_frequency(struct device *dev,
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return ret ? ret : len;
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}
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static ssize_t ad799x_read_channel_config(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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@ -400,140 +346,6 @@ static irqreturn_t ad799x_event_handler(int irq, void *private)
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return IRQ_HANDLED;
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}
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/* Direct read attribtues */
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static IIO_DEV_ATTR_IN_RAW(0, ad799x_read_single_channel, 0);
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static IIO_DEV_ATTR_IN_RAW(1, ad799x_read_single_channel, 1);
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static IIO_DEV_ATTR_IN_RAW(2, ad799x_read_single_channel, 2);
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static IIO_DEV_ATTR_IN_RAW(3, ad799x_read_single_channel, 3);
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static IIO_DEV_ATTR_IN_RAW(4, ad799x_read_single_channel, 4);
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static IIO_DEV_ATTR_IN_RAW(5, ad799x_read_single_channel, 5);
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static IIO_DEV_ATTR_IN_RAW(6, ad799x_read_single_channel, 6);
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static IIO_DEV_ATTR_IN_RAW(7, ad799x_read_single_channel, 7);
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static ssize_t ad799x_show_scale(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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/* Driver currently only support internal vref */
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struct iio_dev *dev_info = dev_get_drvdata(dev);
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struct ad799x_state *st = iio_dev_get_devdata(dev_info);
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/* Corresponds to Vref / 2^(bits) */
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unsigned int scale_uv = (st->int_vref_mv * 1000) >> st->chip_info->bits;
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return sprintf(buf, "%d.%03d\n", scale_uv / 1000, scale_uv % 1000);
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}
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static IIO_DEVICE_ATTR(in_scale, S_IRUGO, ad799x_show_scale, NULL, 0);
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static struct attribute *ad7991_5_9_3_4_device_attrs[] = {
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&iio_dev_attr_in0_raw.dev_attr.attr,
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&iio_dev_attr_in1_raw.dev_attr.attr,
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&iio_dev_attr_in2_raw.dev_attr.attr,
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&iio_dev_attr_in3_raw.dev_attr.attr,
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&iio_dev_attr_in_scale.dev_attr.attr,
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NULL
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};
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static struct attribute_group ad7991_5_9_3_4_dev_attr_group = {
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.attrs = ad7991_5_9_3_4_device_attrs,
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};
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static struct attribute *ad7991_5_9_3_4_scan_el_attrs[] = {
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&iio_scan_el_in0.dev_attr.attr,
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&iio_const_attr_in0_index.dev_attr.attr,
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&iio_scan_el_in1.dev_attr.attr,
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&iio_const_attr_in1_index.dev_attr.attr,
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&iio_scan_el_in2.dev_attr.attr,
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&iio_const_attr_in2_index.dev_attr.attr,
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&iio_scan_el_in3.dev_attr.attr,
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&iio_const_attr_in3_index.dev_attr.attr,
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&iio_const_attr_timestamp_index.dev_attr.attr,
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&iio_scan_el_timestamp.dev_attr.attr,
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&iio_const_attr_timestamp_type.dev_attr.attr,
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&iio_dev_attr_in_type.dev_attr.attr,
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NULL,
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};
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static struct attribute_group ad7991_5_9_3_4_scan_el_group = {
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.name = "scan_elements",
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.attrs = ad7991_5_9_3_4_scan_el_attrs,
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};
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static struct attribute *ad7992_device_attrs[] = {
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&iio_dev_attr_in0_raw.dev_attr.attr,
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&iio_dev_attr_in1_raw.dev_attr.attr,
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&iio_dev_attr_in_scale.dev_attr.attr,
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NULL
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};
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static struct attribute_group ad7992_dev_attr_group = {
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.attrs = ad7992_device_attrs,
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};
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static struct attribute *ad7992_scan_el_attrs[] = {
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&iio_scan_el_in0.dev_attr.attr,
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&iio_const_attr_in0_index.dev_attr.attr,
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&iio_scan_el_in1.dev_attr.attr,
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&iio_const_attr_in1_index.dev_attr.attr,
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&iio_const_attr_timestamp_index.dev_attr.attr,
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&iio_scan_el_timestamp.dev_attr.attr,
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&iio_const_attr_timestamp_type.dev_attr.attr,
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&iio_dev_attr_in_type.dev_attr.attr,
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NULL,
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};
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static struct attribute_group ad7992_scan_el_group = {
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.name = "scan_elements",
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.attrs = ad7992_scan_el_attrs,
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};
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static struct attribute *ad7997_8_device_attrs[] = {
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&iio_dev_attr_in0_raw.dev_attr.attr,
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&iio_dev_attr_in1_raw.dev_attr.attr,
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&iio_dev_attr_in2_raw.dev_attr.attr,
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&iio_dev_attr_in3_raw.dev_attr.attr,
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&iio_dev_attr_in4_raw.dev_attr.attr,
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&iio_dev_attr_in5_raw.dev_attr.attr,
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&iio_dev_attr_in6_raw.dev_attr.attr,
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&iio_dev_attr_in7_raw.dev_attr.attr,
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&iio_dev_attr_in_scale.dev_attr.attr,
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NULL
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};
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static struct attribute_group ad7997_8_dev_attr_group = {
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.attrs = ad7997_8_device_attrs,
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};
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static struct attribute *ad7997_8_scan_el_attrs[] = {
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&iio_scan_el_in0.dev_attr.attr,
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&iio_const_attr_in0_index.dev_attr.attr,
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&iio_scan_el_in1.dev_attr.attr,
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&iio_const_attr_in1_index.dev_attr.attr,
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&iio_scan_el_in2.dev_attr.attr,
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&iio_const_attr_in2_index.dev_attr.attr,
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&iio_scan_el_in3.dev_attr.attr,
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&iio_const_attr_in3_index.dev_attr.attr,
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&iio_scan_el_in4.dev_attr.attr,
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&iio_const_attr_in4_index.dev_attr.attr,
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&iio_scan_el_in5.dev_attr.attr,
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&iio_const_attr_in5_index.dev_attr.attr,
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&iio_scan_el_in6.dev_attr.attr,
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&iio_const_attr_in6_index.dev_attr.attr,
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&iio_scan_el_in7.dev_attr.attr,
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&iio_const_attr_in7_index.dev_attr.attr,
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&iio_const_attr_timestamp_index.dev_attr.attr,
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&iio_scan_el_timestamp.dev_attr.attr,
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&iio_const_attr_timestamp_type.dev_attr.attr,
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&iio_dev_attr_in_type.dev_attr.attr,
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NULL,
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};
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static struct attribute_group ad7997_8_scan_el_group = {
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.name = "scan_elements",
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.attrs = ad7997_8_scan_el_attrs,
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};
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static IIO_DEVICE_ATTR(in0_thresh_low_value,
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S_IRUGO | S_IWUSR,
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ad799x_read_channel_config,
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@ -651,91 +463,173 @@ static struct attribute_group ad7992_event_attrs_group = {
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static const struct ad799x_chip_info ad799x_chip_info_tbl[] = {
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[ad7991] = {
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.num_inputs = 4,
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.bits = 12,
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.sign = IIO_SCAN_EL_TYPE_UNSIGNED,
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.channel[0] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 0, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
0, 0, IIO_ST('u', 12, 16, 0), 0),
|
||||
.channel[1] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 1, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
1, 1, IIO_ST('u', 12, 16, 0), 0),
|
||||
.channel[2] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 2, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
2, 2, IIO_ST('u', 12, 16, 0), 0),
|
||||
.channel[3] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 3, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
3, 3, IIO_ST('u', 12, 16, 0), 0),
|
||||
.channel[4] = IIO_CHAN_SOFT_TIMESTAMP(4),
|
||||
.num_channels = 5,
|
||||
.int_vref_mv = 4096,
|
||||
.dev_attrs = &ad7991_5_9_3_4_dev_attr_group,
|
||||
.scan_attrs = &ad7991_5_9_3_4_scan_el_group,
|
||||
.ad799x_set_scan_mode = ad7991_5_9_set_scan_mode,
|
||||
},
|
||||
[ad7995] = {
|
||||
.num_inputs = 4,
|
||||
.bits = 10,
|
||||
.sign = IIO_SCAN_EL_TYPE_UNSIGNED,
|
||||
.channel[0] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 0, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
0, 0, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[1] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 1, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
1, 1, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[2] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 2, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
2, 2, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[3] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 3, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
3, 3, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[4] = IIO_CHAN_SOFT_TIMESTAMP(4),
|
||||
.num_channels = 5,
|
||||
.int_vref_mv = 1024,
|
||||
.dev_attrs = &ad7991_5_9_3_4_dev_attr_group,
|
||||
.scan_attrs = &ad7991_5_9_3_4_scan_el_group,
|
||||
.ad799x_set_scan_mode = ad7991_5_9_set_scan_mode,
|
||||
},
|
||||
[ad7999] = {
|
||||
.num_inputs = 4,
|
||||
.bits = 10,
|
||||
.sign = IIO_SCAN_EL_TYPE_UNSIGNED,
|
||||
.channel[0] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 0, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
0, 0, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[1] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 1, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
1, 1, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[2] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 2, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
2, 2, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[3] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 3, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
3, 3, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[4] = IIO_CHAN_SOFT_TIMESTAMP(4),
|
||||
.num_channels = 5,
|
||||
.int_vref_mv = 1024,
|
||||
.dev_attrs = &ad7991_5_9_3_4_dev_attr_group,
|
||||
.scan_attrs = &ad7991_5_9_3_4_scan_el_group,
|
||||
.ad799x_set_scan_mode = ad7991_5_9_set_scan_mode,
|
||||
},
|
||||
[ad7992] = {
|
||||
.num_inputs = 2,
|
||||
.bits = 12,
|
||||
.sign = IIO_SCAN_EL_TYPE_UNSIGNED,
|
||||
.channel[0] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 0, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
0, 0, IIO_ST('u', 12, 16, 0), 0),
|
||||
.channel[1] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 1, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
1, 1, IIO_ST('u', 12, 16, 0), 0),
|
||||
.channel[2] = IIO_CHAN_SOFT_TIMESTAMP(2),
|
||||
.num_channels = 3,
|
||||
.int_vref_mv = 4096,
|
||||
.monitor_mode = true,
|
||||
.default_config = AD7998_ALERT_EN,
|
||||
.dev_attrs = &ad7992_dev_attr_group,
|
||||
.scan_attrs = &ad7992_scan_el_group,
|
||||
.event_attrs = &ad7992_event_attrs_group,
|
||||
.ad799x_set_scan_mode = ad7992_3_4_set_scan_mode,
|
||||
},
|
||||
[ad7993] = {
|
||||
.num_inputs = 4,
|
||||
.bits = 10,
|
||||
.sign = IIO_SCAN_EL_TYPE_UNSIGNED,
|
||||
.channel[0] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 0, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
0, 0, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[1] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 1, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
1, 1, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[2] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 2, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
2, 2, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[3] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 3, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
3, 3, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[4] = IIO_CHAN_SOFT_TIMESTAMP(4),
|
||||
.num_channels = 5,
|
||||
.int_vref_mv = 1024,
|
||||
.monitor_mode = true,
|
||||
.default_config = AD7998_ALERT_EN,
|
||||
.dev_attrs = &ad7991_5_9_3_4_dev_attr_group,
|
||||
.scan_attrs = &ad7991_5_9_3_4_scan_el_group,
|
||||
.event_attrs = &ad7993_4_7_8_event_attrs_group,
|
||||
.ad799x_set_scan_mode = ad7992_3_4_set_scan_mode,
|
||||
},
|
||||
[ad7994] = {
|
||||
.num_inputs = 4,
|
||||
.bits = 12,
|
||||
.sign = IIO_SCAN_EL_TYPE_UNSIGNED,
|
||||
.channel[0] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 0, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
0, 0, IIO_ST('u', 12, 16, 0), 0),
|
||||
.channel[1] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 1, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
1, 1, IIO_ST('u', 12, 16, 0), 0),
|
||||
.channel[2] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 2, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
2, 2, IIO_ST('u', 12, 16, 0), 0),
|
||||
.channel[3] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 3, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
3, 3, IIO_ST('u', 12, 16, 0), 0),
|
||||
.channel[4] = IIO_CHAN_SOFT_TIMESTAMP(4),
|
||||
.num_channels = 5,
|
||||
.int_vref_mv = 4096,
|
||||
.monitor_mode = true,
|
||||
.default_config = AD7998_ALERT_EN,
|
||||
.dev_attrs = &ad7991_5_9_3_4_dev_attr_group,
|
||||
.scan_attrs = &ad7991_5_9_3_4_scan_el_group,
|
||||
.event_attrs = &ad7993_4_7_8_event_attrs_group,
|
||||
.ad799x_set_scan_mode = ad7992_3_4_set_scan_mode,
|
||||
},
|
||||
[ad7997] = {
|
||||
.num_inputs = 8,
|
||||
.bits = 10,
|
||||
.sign = IIO_SCAN_EL_TYPE_UNSIGNED,
|
||||
.channel[0] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 0, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
0, 0, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[1] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 1, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
1, 1, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[2] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 2, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
2, 2, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[3] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 3, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
3, 3, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[4] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 4, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
4, 4, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[5] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 5, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
5, 5, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[6] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 6, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
6, 6, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[7] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 7, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
7, 7, IIO_ST('u', 10, 16, 0), 0),
|
||||
.channel[8] = IIO_CHAN_SOFT_TIMESTAMP(8),
|
||||
.num_channels = 9,
|
||||
.int_vref_mv = 1024,
|
||||
.monitor_mode = true,
|
||||
.default_config = AD7998_ALERT_EN,
|
||||
.dev_attrs = &ad7997_8_dev_attr_group,
|
||||
.scan_attrs = &ad7997_8_scan_el_group,
|
||||
.event_attrs = &ad7993_4_7_8_event_attrs_group,
|
||||
.ad799x_set_scan_mode = ad7997_8_set_scan_mode,
|
||||
},
|
||||
[ad7998] = {
|
||||
.num_inputs = 8,
|
||||
.bits = 12,
|
||||
.sign = IIO_SCAN_EL_TYPE_UNSIGNED,
|
||||
.channel[0] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 0, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
0, 0, IIO_ST('u', 12, 16, 0), 0),
|
||||
.channel[1] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 1, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
1, 1, IIO_ST('u', 12, 16, 0), 0),
|
||||
.channel[2] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 2, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
2, 2, IIO_ST('u', 12, 16, 0), 0),
|
||||
.channel[3] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 3, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
3, 3, IIO_ST('u', 12, 16, 0), 0),
|
||||
.channel[4] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 4, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
4, 4, IIO_ST('u', 12, 16, 0), 0),
|
||||
.channel[5] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 5, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
5, 5, IIO_ST('u', 12, 16, 0), 0),
|
||||
.channel[6] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 6, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
6, 6, IIO_ST('u', 12, 16, 0), 0),
|
||||
.channel[7] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 7, 0,
|
||||
(1 << IIO_CHAN_INFO_SCALE_SHARED),
|
||||
7, 7, IIO_ST('u', 12, 16, 0), 0),
|
||||
.channel[8] = IIO_CHAN_SOFT_TIMESTAMP(8),
|
||||
.num_channels = 9,
|
||||
.int_vref_mv = 4096,
|
||||
.monitor_mode = true,
|
||||
.default_config = AD7998_ALERT_EN,
|
||||
.dev_attrs = &ad7997_8_dev_attr_group,
|
||||
.scan_attrs = &ad7997_8_scan_el_group,
|
||||
.event_attrs = &ad7993_4_7_8_event_attrs_group,
|
||||
.ad799x_set_scan_mode = ad7997_8_set_scan_mode,
|
||||
},
|
||||
};
|
||||
|
||||
|
|
@ -778,19 +672,16 @@ static int __devinit ad799x_probe(struct i2c_client *client,
|
|||
goto error_disable_reg;
|
||||
}
|
||||
|
||||
/* Estabilish that the iio_dev is a child of the i2c device */
|
||||
st->indio_dev->dev.parent = &client->dev;
|
||||
st->indio_dev->attrs = st->chip_info->dev_attrs;
|
||||
st->indio_dev->event_attrs = st->chip_info->event_attrs;
|
||||
st->indio_dev->name = id->name;
|
||||
st->indio_dev->dev_data = (void *)(st);
|
||||
st->indio_dev->driver_module = THIS_MODULE;
|
||||
st->indio_dev->modes = INDIO_DIRECT_MODE;
|
||||
st->indio_dev->num_interrupt_lines = 1;
|
||||
|
||||
ret = ad799x_set_scan_mode(st, 0);
|
||||
if (ret)
|
||||
goto error_free_device;
|
||||
st->indio_dev->channels = st->chip_info->channel;
|
||||
st->indio_dev->num_channels = st->chip_info->num_channels;
|
||||
st->indio_dev->read_raw = &ad799x_read_raw;
|
||||
|
||||
ret = ad799x_register_ring_funcs_and_init(st->indio_dev);
|
||||
if (ret)
|
||||
|
|
@ -801,7 +692,9 @@ static int __devinit ad799x_probe(struct i2c_client *client,
|
|||
goto error_cleanup_ring;
|
||||
regdone = 1;
|
||||
|
||||
ret = iio_ring_buffer_register(st->indio_dev->ring, 0);
|
||||
ret = iio_ring_buffer_register_ex(st->indio_dev->ring, 0,
|
||||
st->indio_dev->channels,
|
||||
st->indio_dev->num_channels);
|
||||
if (ret)
|
||||
goto error_cleanup_ring;
|
||||
|
||||
|
|
|
|||
|
|
@ -80,7 +80,7 @@ static int ad799x_ring_preenable(struct iio_dev *indio_dev)
|
|||
*/
|
||||
|
||||
if (st->id == ad7997 || st->id == ad7998)
|
||||
ad799x_set_scan_mode(st, ring->scan_mask);
|
||||
ad7997_8_set_scan_mode(st, ring->scan_mask);
|
||||
|
||||
st->d_size = ring->scan_count * 2;
|
||||
|
||||
|
|
@ -119,7 +119,7 @@ static irqreturn_t ad799x_trigger_handler(int irq, void *p)
|
|||
|
||||
rxbuf = kmalloc(st->d_size, GFP_KERNEL);
|
||||
if (rxbuf == NULL)
|
||||
return -ENOMEM;
|
||||
goto out;
|
||||
|
||||
switch (st->id) {
|
||||
case ad7991:
|
||||
|
|
@ -157,6 +157,9 @@ static irqreturn_t ad799x_trigger_handler(int irq, void *p)
|
|||
kfree(rxbuf);
|
||||
if (b_sent < 0)
|
||||
return b_sent;
|
||||
out:
|
||||
iio_trigger_notify_done(indio_dev->trig);
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
|
|
@ -195,8 +198,6 @@ int ad799x_register_ring_funcs_and_init(struct iio_dev *indio_dev)
|
|||
indio_dev->ring->predisable = &iio_triggered_ring_predisable;
|
||||
indio_dev->ring->scan_timestamp = true;
|
||||
|
||||
indio_dev->ring->scan_el_attrs = st->chip_info->scan_attrs;
|
||||
|
||||
/* Flag that polled ring buffering is possible */
|
||||
indio_dev->modes |= INDIO_RING_TRIGGERED;
|
||||
return 0;
|
||||
|
|
|
|||
Loading…
Reference in New Issue