61 	struct sx_common_data *data = iio_priv(indio_dev);  in sx_common_irq_handler()  local
63 	if (data->trigger_enabled)  in sx_common_irq_handler()
64 		iio_trigger_poll(data->trig);  in sx_common_irq_handler()
78 	struct sx_common_data *data = iio_priv(indio_dev);  in sx_common_push_events()  local
83 	ret = regmap_read(data->regmap, data->chip_info->reg_stat, &val);  in sx_common_push_events()
85 		dev_err(&data->client->dev, "i2c transfer error in irq\n");  in sx_common_push_events()
89 	val >>= data->chip_info->stat_offset;  in sx_common_push_events()
95 	prox_changed = (data->chan_prox_stat ^ val) & data->chan_event;  in sx_common_push_events()
97 	for_each_set_bit(chan, &prox_changed, data->chip_info->num_channels) {  in sx_common_push_events()
107 	data->chan_prox_stat = val;  in sx_common_push_events()
110 static int sx_common_enable_irq(struct sx_common_data *data, unsigned int irq)  in sx_common_enable_irq()  argument
112 	if (!data->client->irq)  in sx_common_enable_irq()
114 	return regmap_update_bits(data->regmap, data->chip_info->reg_irq_msk,  in sx_common_enable_irq()
115 				  irq << data->chip_info->irq_msk_offset,  in sx_common_enable_irq()
116 				  irq << data->chip_info->irq_msk_offset);  in sx_common_enable_irq()
119 static int sx_common_disable_irq(struct sx_common_data *data, unsigned int irq)  in sx_common_disable_irq()  argument
121 	if (!data->client->irq)  in sx_common_disable_irq()
123 	return regmap_update_bits(data->regmap, data->chip_info->reg_irq_msk,  in sx_common_disable_irq()
124 				  irq << data->chip_info->irq_msk_offset, 0);  in sx_common_disable_irq()
127 static int sx_common_update_chan_en(struct sx_common_data *data,  in sx_common_update_chan_en()  argument
134 	if ((data->chan_read | data->chan_event) != channels) {  in sx_common_update_chan_en()
135 		ret = regmap_update_bits(data->regmap,  in sx_common_update_chan_en()
136 					 data->chip_info->reg_enable_chan,  in sx_common_update_chan_en()
137 					 data->chip_info->mask_enable_chan,  in sx_common_update_chan_en()
142 	data->chan_read = chan_read;  in sx_common_update_chan_en()
143 	data->chan_event = chan_event;  in sx_common_update_chan_en()
147 static int sx_common_get_read_channel(struct sx_common_data *data, int channel)  in sx_common_get_read_channel()  argument
149 	return sx_common_update_chan_en(data, data->chan_read | BIT(channel),  in sx_common_get_read_channel()
150 				     data->chan_event);  in sx_common_get_read_channel()
153 static int sx_common_put_read_channel(struct sx_common_data *data, int channel)  in sx_common_put_read_channel()  argument
155 	return sx_common_update_chan_en(data, data->chan_read & ~BIT(channel),  in sx_common_put_read_channel()
156 				     data->chan_event);  in sx_common_put_read_channel()
159 static int sx_common_get_event_channel(struct sx_common_data *data, int channel)  in sx_common_get_event_channel()  argument
161 	return sx_common_update_chan_en(data, data->chan_read,  in sx_common_get_event_channel()
162 				     data->chan_event | BIT(channel));  in sx_common_get_event_channel()
165 static int sx_common_put_event_channel(struct sx_common_data *data, int channel)  in sx_common_put_event_channel()  argument
167 	return sx_common_update_chan_en(data, data->chan_read,  in sx_common_put_event_channel()
168 				     data->chan_event & ~BIT(channel));  in sx_common_put_event_channel()
173  * @data:	Internal data
180 int sx_common_read_proximity(struct sx_common_data *data,  in sx_common_read_proximity()  argument
186 	mutex_lock(&data->mutex);  in sx_common_read_proximity()
188 	ret = sx_common_get_read_channel(data, chan->channel);  in sx_common_read_proximity()
192 	ret = sx_common_enable_irq(data, SX_COMMON_CONVDONE_IRQ);  in sx_common_read_proximity()
196 	mutex_unlock(&data->mutex);  in sx_common_read_proximity()
198 	if (data->client->irq) {  in sx_common_read_proximity()
199 		ret = wait_for_completion_interruptible(&data->completion);  in sx_common_read_proximity()
200 		reinit_completion(&data->completion);  in sx_common_read_proximity()
202 		ret = data->chip_info->ops.wait_for_sample(data);  in sx_common_read_proximity()
205 	mutex_lock(&data->mutex);  in sx_common_read_proximity()
210 	ret = data->chip_info->ops.read_prox_data(data, chan, &rawval);  in sx_common_read_proximity()
216 	ret = sx_common_disable_irq(data, SX_COMMON_CONVDONE_IRQ);  in sx_common_read_proximity()
220 	ret = sx_common_put_read_channel(data, chan->channel);  in sx_common_read_proximity()
224 	mutex_unlock(&data->mutex);  in sx_common_read_proximity()
229 	sx_common_disable_irq(data, SX_COMMON_CONVDONE_IRQ);  in sx_common_read_proximity()
231 	sx_common_put_read_channel(data, chan->channel);  in sx_common_read_proximity()
233 	mutex_unlock(&data->mutex);  in sx_common_read_proximity()
253 	struct sx_common_data *data = iio_priv(indio_dev);  in sx_common_read_event_config()  local
255 	return !!(data->chan_event & BIT(chan->channel));  in sx_common_read_event_config()
274 	struct sx_common_data *data = iio_priv(indio_dev);  in sx_common_write_event_config()  local
279 	if (!!(data->chan_event & BIT(chan->channel)) == state)  in sx_common_write_event_config()
282 	mutex_lock(&data->mutex);  in sx_common_write_event_config()
284 		ret = sx_common_get_event_channel(data, chan->channel);  in sx_common_write_event_config()
287 		if (!(data->chan_event & ~BIT(chan->channel))) {  in sx_common_write_event_config()
288 			ret = sx_common_enable_irq(data, eventirq);  in sx_common_write_event_config()
290 				sx_common_put_event_channel(data, chan->channel);  in sx_common_write_event_config()
293 		ret = sx_common_put_event_channel(data, chan->channel);  in sx_common_write_event_config()
296 		if (!data->chan_event) {  in sx_common_write_event_config()
297 			ret = sx_common_disable_irq(data, eventirq);  in sx_common_write_event_config()
299 				sx_common_get_event_channel(data, chan->channel);  in sx_common_write_event_config()
304 	mutex_unlock(&data->mutex);  in sx_common_write_event_config()
312 	struct sx_common_data *data = iio_priv(indio_dev);  in sx_common_set_trigger_state()  local
315 	mutex_lock(&data->mutex);  in sx_common_set_trigger_state()
318 		ret = sx_common_enable_irq(data, SX_COMMON_CONVDONE_IRQ);  in sx_common_set_trigger_state()
319 	else if (!data->chan_read)  in sx_common_set_trigger_state()
320 		ret = sx_common_disable_irq(data, SX_COMMON_CONVDONE_IRQ);  in sx_common_set_trigger_state()
324 	data->trigger_enabled = state;  in sx_common_set_trigger_state()
327 	mutex_unlock(&data->mutex);  in sx_common_set_trigger_state()
339 	struct sx_common_data *data = iio_priv(indio_dev);  in sx_common_irq_thread_handler()  local
343 	mutex_lock(&data->mutex);  in sx_common_irq_thread_handler()
345 	ret = regmap_read(data->regmap, SX_COMMON_REG_IRQ_SRC, &val);  in sx_common_irq_thread_handler()
347 		dev_err(&data->client->dev, "i2c transfer error in irq\n");  in sx_common_irq_thread_handler()
351 	if (val & ((SX_COMMON_FAR_IRQ | SX_COMMON_CLOSE_IRQ) << data->chip_info->irq_msk_offset))  in sx_common_irq_thread_handler()
354 	if (val & (SX_COMMON_CONVDONE_IRQ << data->chip_info->irq_msk_offset))  in sx_common_irq_thread_handler()
355 		complete(&data->completion);  in sx_common_irq_thread_handler()
358 	mutex_unlock(&data->mutex);  in sx_common_irq_thread_handler()
367 	struct sx_common_data *data = iio_priv(indio_dev);  in sx_common_trigger_handler()  local
371 	mutex_lock(&data->mutex);  in sx_common_trigger_handler()
375 		ret = data->chip_info->ops.read_prox_data(data,  in sx_common_trigger_handler()
381 		data->buffer.channels[i++] = val;  in sx_common_trigger_handler()
384 	iio_push_to_buffers_with_timestamp(indio_dev, &data->buffer,  in sx_common_trigger_handler()
388 	mutex_unlock(&data->mutex);  in sx_common_trigger_handler()
397 	struct sx_common_data *data = iio_priv(indio_dev);  in sx_common_buffer_preenable()  local
401 	mutex_lock(&data->mutex);  in sx_common_buffer_preenable()
406 	ret = sx_common_update_chan_en(data, channels, data->chan_event);  in sx_common_buffer_preenable()
407 	mutex_unlock(&data->mutex);  in sx_common_buffer_preenable()
413 	struct sx_common_data *data = iio_priv(indio_dev);  in sx_common_buffer_postdisable()  local
416 	mutex_lock(&data->mutex);  in sx_common_buffer_postdisable()
417 	ret = sx_common_update_chan_en(data, 0, data->chan_event);  in sx_common_buffer_postdisable()
418 	mutex_unlock(&data->mutex);  in sx_common_buffer_postdisable()
452 	struct sx_common_data *data = iio_priv(indio_dev);  in sx_common_init_device()  local
458 	ret = regmap_write(data->regmap, data->chip_info->reg_reset,  in sx_common_init_device()
466 	ret = regmap_read(data->regmap, SX_COMMON_REG_IRQ_SRC, &val);  in sx_common_init_device()
471 	for (i = 0; i < data->chip_info->num_default_regs; i++) {  in sx_common_init_device()
472 		initval = data->chip_info->ops.get_default_reg(dev, i, &tmp);  in sx_common_init_device()
473 		ret = regmap_write(data->regmap, initval->reg, initval->def);  in sx_common_init_device()
478 	return data->chip_info->ops.init_compensation(indio_dev);  in sx_common_init_device()
494 	struct sx_common_data *data;  in sx_common_probe()  local
497 	indio_dev = devm_iio_device_alloc(dev, sizeof(*data));  in sx_common_probe()
501 	data = iio_priv(indio_dev);  in sx_common_probe()
503 	data->chip_info = chip_info;  in sx_common_probe()
504 	data->client = client;  in sx_common_probe()
505 	mutex_init(&data->mutex);  in sx_common_probe()
506 	init_completion(&data->completion);  in sx_common_probe()
508 	data->regmap = devm_regmap_init_i2c(client, regmap_config);  in sx_common_probe()
509 	if (IS_ERR(data->regmap))  in sx_common_probe()
510 		return dev_err_probe(dev, PTR_ERR(data->regmap),  in sx_common_probe()
521 	ret = data->chip_info->ops.check_whoami(dev, indio_dev);  in sx_common_probe()
527 	indio_dev->channels =  data->chip_info->iio_channels;  in sx_common_probe()
528 	indio_dev->num_channels = data->chip_info->num_iio_channels;  in sx_common_probe()
529 	indio_dev->info = &data->chip_info->iio_info;  in sx_common_probe()
546 		data->trig = devm_iio_trigger_alloc(dev, "%s-dev%d",  in sx_common_probe()
549 		if (!data->trig)  in sx_common_probe()
552 		data->trig->ops = &sx_common_trigger_ops;  in sx_common_probe()
553 		iio_trigger_set_drvdata(data->trig, indio_dev);  in sx_common_probe()
555 		ret = devm_iio_trigger_register(dev, data->trig);  in sx_common_probe()