267 	struct iio_dev *idev = pf->indio_dev;  in at91_adc_trigger_handler()  local
268 	struct at91_adc_state *st = iio_priv(idev);  in at91_adc_trigger_handler()
272 	for (i = 0; i < idev->masklength; i++) {  in at91_adc_trigger_handler()
273 		if (!test_bit(i, idev->active_scan_mask))  in at91_adc_trigger_handler()
275 		chan = idev->channels + i;  in at91_adc_trigger_handler()
280 	iio_push_to_buffers_with_timestamp(idev, st->buffer, pf->timestamp);  in at91_adc_trigger_handler()
282 	iio_trigger_notify_done(idev->trig);  in at91_adc_trigger_handler()
293 static void handle_adc_eoc_trigger(int irq, struct iio_dev *idev)  in handle_adc_eoc_trigger()  argument
295 	struct at91_adc_state *st = iio_priv(idev);  in handle_adc_eoc_trigger()
297 	if (iio_buffer_enabled(idev)) {  in handle_adc_eoc_trigger()
299 		iio_trigger_poll(idev->trig);  in handle_adc_eoc_trigger()
309 static int at91_ts_sample(struct iio_dev *idev)  in at91_ts_sample()  argument
311 	struct at91_adc_state *st = iio_priv(idev);  in at91_ts_sample()
327 		dev_err(&idev->dev, "Error: xscale == 0!\n");  in at91_ts_sample()
338 		dev_err(&idev->dev, "Error: yscale == 0!\n");  in at91_ts_sample()
354 …dev_dbg(&idev->dev, "xpos = %d, xscale = %d, ypos = %d, yscale = %d, z1 = %d, z2 = %d, press = %d\…  in at91_ts_sample()
358 		dev_dbg(&idev->dev, "x = %d, y = %d, pressure = %d\n",  in at91_ts_sample()
366 		dev_dbg(&idev->dev, "pressure too low: not reporting\n");  in at91_ts_sample()
374 	struct iio_dev *idev = private;  in at91_adc_rl_interrupt()  local
375 	struct at91_adc_state *st = iio_priv(idev);  in at91_adc_rl_interrupt()
381 		handle_adc_eoc_trigger(irq, idev);  in at91_adc_rl_interrupt()
439 	struct iio_dev *idev = private;  in at91_adc_9x5_interrupt()  local
440 	struct at91_adc_state *st = iio_priv(idev);  in at91_adc_9x5_interrupt()
448 		handle_adc_eoc_trigger(irq, idev);  in at91_adc_9x5_interrupt()
471 			at91_ts_sample(idev);  in at91_adc_9x5_interrupt()
485 static int at91_adc_channel_init(struct iio_dev *idev)  in at91_adc_channel_init()  argument
487 	struct at91_adc_state *st = iio_priv(idev);  in at91_adc_channel_init()
501 	idev->num_channels = bitmap_weight(&st->channels_mask,  in at91_adc_channel_init()
504 	chan_array = devm_kzalloc(&idev->dev,  in at91_adc_channel_init()
505 				  ((idev->num_channels + 1) *  in at91_adc_channel_init()
535 	idev->channels = chan_array;  in at91_adc_channel_init()
536 	return idev->num_channels;  in at91_adc_channel_init()
539 static int at91_adc_get_trigger_value_by_name(struct iio_dev *idev,  in at91_adc_get_trigger_value_by_name()  argument
543 	struct at91_adc_state *st = iio_priv(idev);  in at91_adc_get_trigger_value_by_name()
549 				idev->name,  in at91_adc_get_trigger_value_by_name()
550 				iio_device_id(idev),  in at91_adc_get_trigger_value_by_name()
570 	struct iio_dev *idev = iio_trigger_get_drvdata(trig);  in at91_adc_configure_trigger()  local
571 	struct at91_adc_state *st = iio_priv(idev);  in at91_adc_configure_trigger()
577 	value = at91_adc_get_trigger_value_by_name(idev,  in at91_adc_configure_trigger()
579 						   idev->trig->name);  in at91_adc_configure_trigger()
584 		st->buffer = kmalloc(idev->scan_bytes, GFP_KERNEL);  in at91_adc_configure_trigger()
591 		for_each_set_bit(bit, idev->active_scan_mask,  in at91_adc_configure_trigger()
593 			struct iio_chan_spec const *chan = idev->channels + bit;  in at91_adc_configure_trigger()
606 		for_each_set_bit(bit, idev->active_scan_mask,  in at91_adc_configure_trigger()
608 			struct iio_chan_spec const *chan = idev->channels + bit;  in at91_adc_configure_trigger()
622 static struct iio_trigger *at91_adc_allocate_trigger(struct iio_dev *idev,  in at91_adc_allocate_trigger()  argument
628 	trig = iio_trigger_alloc(idev->dev.parent, "%s-dev%d-%s", idev->name,  in at91_adc_allocate_trigger()
629 				 iio_device_id(idev), trigger->name);  in at91_adc_allocate_trigger()
633 	iio_trigger_set_drvdata(trig, idev);  in at91_adc_allocate_trigger()
645 static int at91_adc_trigger_init(struct iio_dev *idev)  in at91_adc_trigger_init()  argument
647 	struct at91_adc_state *st = iio_priv(idev);  in at91_adc_trigger_init()
650 	st->trig = devm_kcalloc(&idev->dev,  in at91_adc_trigger_init()
663 		st->trig[i] = at91_adc_allocate_trigger(idev,  in at91_adc_trigger_init()
666 			dev_err(&idev->dev,  in at91_adc_trigger_init()
684 static void at91_adc_trigger_remove(struct iio_dev *idev)  in at91_adc_trigger_remove()  argument
686 	struct at91_adc_state *st = iio_priv(idev);  in at91_adc_trigger_remove()
695 static int at91_adc_buffer_init(struct iio_dev *idev)  in at91_adc_buffer_init()  argument
697 	return iio_triggered_buffer_setup(idev, &iio_pollfunc_store_time,  in at91_adc_buffer_init()
701 static void at91_adc_buffer_remove(struct iio_dev *idev)  in at91_adc_buffer_remove()  argument
703 	iio_triggered_buffer_cleanup(idev);  in at91_adc_buffer_remove()
706 static int at91_adc_read_raw(struct iio_dev *idev,  in at91_adc_read_raw()  argument
710 	struct at91_adc_state *st = iio_priv(idev);  in at91_adc_read_raw()
742 			dev_err(&idev->dev, "ADC Channel %d timeout.\n",  in at91_adc_read_raw()
861 static int at91_ts_hw_init(struct iio_dev *idev, u32 adc_clk_khz)  in at91_ts_hw_init()  argument
863 	struct at91_adc_state *st = iio_priv(idev);  in at91_ts_hw_init()
903 	dev_dbg(&idev->dev, "adc_clk at: %d KHz, tssctim at: %d\n",  in at91_ts_hw_init()
936 static int at91_ts_register(struct iio_dev *idev,  in at91_ts_register()  argument
939 	struct at91_adc_state *st = iio_priv(idev);  in at91_ts_register()
945 		dev_err(&idev->dev, "Failed to allocate TS device!\n");  in at91_ts_register()
1002 	struct iio_dev *idev;  in at91_adc_probe()  local
1007 	idev = devm_iio_device_alloc(&pdev->dev, sizeof(struct at91_adc_state));  in at91_adc_probe()
1008 	if (!idev)  in at91_adc_probe()
1011 	st = iio_priv(idev);  in at91_adc_probe()
1018 		dev_err(&idev->dev, "Missing adc-channels-used property in the DT.\n");  in at91_adc_probe()
1026 		dev_err(&idev->dev, "Missing adc-startup-time property in the DT.\n");  in at91_adc_probe()
1036 		dev_err(&idev->dev, "Missing adc-vref property in the DT.\n");  in at91_adc_probe()
1047 	dev_info(&idev->dev, "Resolution used: %u bits\n", st->res);  in at91_adc_probe()
1054 		ret = at91_adc_probe_dt_ts(node, st, &idev->dev);  in at91_adc_probe()
1059 	platform_set_drvdata(pdev, idev);  in at91_adc_probe()
1061 	idev->name = dev_name(&pdev->dev);  in at91_adc_probe()
1062 	idev->modes = INDIO_DIRECT_MODE;  in at91_adc_probe()
1063 	idev->info = &at91_adc_info;  in at91_adc_probe()
1082 				  pdev->dev.driver->name, idev);  in at91_adc_probe()
1085 				  pdev->dev.driver->name, idev);  in at91_adc_probe()
1161 	ret = at91_adc_channel_init(idev);  in at91_adc_probe()
1176 		ret = at91_adc_buffer_init(idev);  in at91_adc_probe()
1182 		ret = at91_adc_trigger_init(idev);  in at91_adc_probe()
1185 			at91_adc_buffer_remove(idev);  in at91_adc_probe()
1189 		ret = at91_ts_register(idev, pdev);  in at91_adc_probe()
1193 		at91_ts_hw_init(idev, adc_clk_khz);  in at91_adc_probe()
1196 	ret = iio_device_register(idev);  in at91_adc_probe()
1206 		at91_adc_trigger_remove(idev);  in at91_adc_probe()
1207 		at91_adc_buffer_remove(idev);  in at91_adc_probe()
1216 	free_irq(st->irq, idev);  in at91_adc_probe()
1222 	struct iio_dev *idev = platform_get_drvdata(pdev);  in at91_adc_remove()  local
1223 	struct at91_adc_state *st = iio_priv(idev);  in at91_adc_remove()
1225 	iio_device_unregister(idev);  in at91_adc_remove()
1227 		at91_adc_trigger_remove(idev);  in at91_adc_remove()
1228 		at91_adc_buffer_remove(idev);  in at91_adc_remove()
1234 	free_irq(st->irq, idev);  in at91_adc_remove()
1241 	struct iio_dev *idev = dev_get_drvdata(dev);  in at91_adc_suspend()  local
1242 	struct at91_adc_state *st = iio_priv(idev);  in at91_adc_suspend()
1252 	struct iio_dev *idev = dev_get_drvdata(dev);  in at91_adc_resume()  local
1253 	struct at91_adc_state *st = iio_priv(idev);  in at91_adc_resume()