afe4404.c (617894cd848f592fa84d7cf561dc80929afc66ff) afe4404.c (3593cd53962fa17e4eaaae8faa5c8f62ec7bbd5e)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * AFE4404 Heart Rate Monitors and Low-Cost Pulse Oximeters
4 *
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * AFE4404 Heart Rate Monitors and Low-Cost Pulse Oximeters
4 *
5 * Copyright (C) 2015-2016 Texas Instruments Incorporated - http://www.ti.com/
5 * Copyright (C) 2015-2016 Texas Instruments Incorporated - https://www.ti.com/
6 * Andrew F. Davis <afd@ti.com>
7 */
8
9#include <linux/device.h>
10#include <linux/err.h>
11#include <linux/interrupt.h>
12#include <linux/i2c.h>
13#include <linux/kernel.h>

--- 64 unchanged lines hidden (view full) ---

78/**
79 * struct afe4404_data - AFE4404 device instance data
80 * @dev: Device structure
81 * @regmap: Register map of the device
82 * @fields: Register fields of the device
83 * @regulator: Pointer to the regulator for the IC
84 * @trig: IIO trigger for this device
85 * @irq: ADC_RDY line interrupt number
6 * Andrew F. Davis <afd@ti.com>
7 */
8
9#include <linux/device.h>
10#include <linux/err.h>
11#include <linux/interrupt.h>
12#include <linux/i2c.h>
13#include <linux/kernel.h>

--- 64 unchanged lines hidden (view full) ---

78/**
79 * struct afe4404_data - AFE4404 device instance data
80 * @dev: Device structure
81 * @regmap: Register map of the device
82 * @fields: Register fields of the device
83 * @regulator: Pointer to the regulator for the IC
84 * @trig: IIO trigger for this device
85 * @irq: ADC_RDY line interrupt number
86 * @buffer: Used to construct a scan to push to the iio buffer.
87 */
88struct afe4404_data {
89 struct device *dev;
90 struct regmap *regmap;
91 struct regmap_field *fields[F_MAX_FIELDS];
92 struct regulator *regulator;
93 struct iio_trigger *trig;
94 int irq;
86 */
87struct afe4404_data {
88 struct device *dev;
89 struct regmap *regmap;
90 struct regmap_field *fields[F_MAX_FIELDS];
91 struct regulator *regulator;
92 struct iio_trigger *trig;
93 int irq;
95 s32 buffer[10] __aligned(8);
96};
97
98enum afe4404_chan_id {
99 LED2 = 1,
100 ALED2,
101 LED1,
102 ALED1,
103 LED2_ALED2,

--- 221 unchanged lines hidden (view full) ---

325};
326
327static irqreturn_t afe4404_trigger_handler(int irq, void *private)
328{
329 struct iio_poll_func *pf = private;
330 struct iio_dev *indio_dev = pf->indio_dev;
331 struct afe4404_data *afe = iio_priv(indio_dev);
332 int ret, bit, i = 0;
94};
95
96enum afe4404_chan_id {
97 LED2 = 1,
98 ALED2,
99 LED1,
100 ALED1,
101 LED2_ALED2,

--- 221 unchanged lines hidden (view full) ---

323};
324
325static irqreturn_t afe4404_trigger_handler(int irq, void *private)
326{
327 struct iio_poll_func *pf = private;
328 struct iio_dev *indio_dev = pf->indio_dev;
329 struct afe4404_data *afe = iio_priv(indio_dev);
330 int ret, bit, i = 0;
331 s32 buffer[10];
333
334 for_each_set_bit(bit, indio_dev->active_scan_mask,
335 indio_dev->masklength) {
336 ret = regmap_read(afe->regmap, afe4404_channel_values[bit],
332
333 for_each_set_bit(bit, indio_dev->active_scan_mask,
334 indio_dev->masklength) {
335 ret = regmap_read(afe->regmap, afe4404_channel_values[bit],
337 &afe->buffer[i++]);
336 &buffer[i++]);
338 if (ret)
339 goto err;
340 }
341
337 if (ret)
338 goto err;
339 }
340
342 iio_push_to_buffers_with_timestamp(indio_dev, afe->buffer,
343 pf->timestamp);
341 iio_push_to_buffers_with_timestamp(indio_dev, buffer, pf->timestamp);
344err:
345 iio_trigger_notify_done(indio_dev->trig);
346
347 return IRQ_HANDLED;
348}
349
350static const struct iio_trigger_ops afe4404_trigger_ops = {
351};

--- 162 unchanged lines hidden (view full) ---

514 ret = regmap_multi_reg_write(afe->regmap, afe4404_reg_sequences,
515 ARRAY_SIZE(afe4404_reg_sequences));
516 if (ret) {
517 dev_err(afe->dev, "Unable to set register defaults\n");
518 goto disable_reg;
519 }
520
521 indio_dev->modes = INDIO_DIRECT_MODE;
342err:
343 iio_trigger_notify_done(indio_dev->trig);
344
345 return IRQ_HANDLED;
346}
347
348static const struct iio_trigger_ops afe4404_trigger_ops = {
349};

--- 162 unchanged lines hidden (view full) ---

512 ret = regmap_multi_reg_write(afe->regmap, afe4404_reg_sequences,
513 ARRAY_SIZE(afe4404_reg_sequences));
514 if (ret) {
515 dev_err(afe->dev, "Unable to set register defaults\n");
516 goto disable_reg;
517 }
518
519 indio_dev->modes = INDIO_DIRECT_MODE;
522 indio_dev->dev.parent = afe->dev;
523 indio_dev->channels = afe4404_channels;
524 indio_dev->num_channels = ARRAY_SIZE(afe4404_channels);
525 indio_dev->name = AFE4404_DRIVER_NAME;
526 indio_dev->info = &afe4404_iio_info;
527
528 if (afe->irq > 0) {
529 afe->trig = devm_iio_trigger_alloc(afe->dev,
530 "%s-dev%d",

--- 99 unchanged lines hidden --- 		520 indio_dev->channels = afe4404_channels;
521 indio_dev->num_channels = ARRAY_SIZE(afe4404_channels);
522 indio_dev->name = AFE4404_DRIVER_NAME;
523 indio_dev->info = &afe4404_iio_info;
524
525 if (afe->irq > 0) {
526 afe->trig = devm_iio_trigger_alloc(afe->dev,
527 "%s-dev%d",

--- 99 unchanged lines hidden ---