1 // SPDX-License-Identifier: GPL-2.0-only
20 #include <linux/mfd/ipaq-micro.h>
32 		input_report_abs(ts->input, ABS_X,  in micro_ts_receive()
34 		input_report_abs(ts->input, ABS_Y,  in micro_ts_receive()
35 				 be16_to_cpup((__be16 *) &msg[0]));  in micro_ts_receive()
36 		input_report_key(ts->input, BTN_TOUCH, 1);  in micro_ts_receive()
37 		input_sync(ts->input);  in micro_ts_receive()
38 	} else if (len == 0) {  in micro_ts_receive()
39 		input_report_abs(ts->input, ABS_X, 0);  in micro_ts_receive()
40 		input_report_abs(ts->input, ABS_Y, 0);  in micro_ts_receive()
41 		input_report_key(ts->input, BTN_TOUCH, 0);  in micro_ts_receive()
42 		input_sync(ts->input);  in micro_ts_receive()
48 	struct ipaq_micro *micro = ts->micro;  in micro_ts_toggle_receive()
50 	spin_lock_irq(&micro->lock);  in micro_ts_toggle_receive()
53 		micro->ts = micro_ts_receive;  in micro_ts_toggle_receive()
54 		micro->ts_data = ts;  in micro_ts_toggle_receive()
56 		micro->ts = NULL;  in micro_ts_toggle_receive()
57 		micro->ts_data = NULL;  in micro_ts_toggle_receive()
60 	spin_unlock_irq(&ts->micro->lock);  in micro_ts_toggle_receive()
69 	return 0;  in micro_ts_open()
81 	struct ipaq_micro *micro = dev_get_drvdata(pdev->dev.parent);  in micro_ts_probe()
85 	ts = devm_kzalloc(&pdev->dev, sizeof(*ts), GFP_KERNEL);  in micro_ts_probe()
87 		return -ENOMEM;  in micro_ts_probe()
89 	ts->micro = micro;  in micro_ts_probe()
91 	ts->input = devm_input_allocate_device(&pdev->dev);  in micro_ts_probe()
92 	if (!ts->input) {  in micro_ts_probe()
93 		dev_err(&pdev->dev, "failed to allocate input device\n");  in micro_ts_probe()
94 		return -ENOMEM;  in micro_ts_probe()
97 	ts->input->name = "ipaq micro ts";  in micro_ts_probe()
98 	ts->input->open = micro_ts_open;  in micro_ts_probe()
99 	ts->input->close = micro_ts_close;  in micro_ts_probe()
101 	input_set_drvdata(ts->input, ts);  in micro_ts_probe()
103 	input_set_capability(ts->input, EV_KEY, BTN_TOUCH);  in micro_ts_probe()
104 	input_set_capability(ts->input, EV_ABS, ABS_X);  in micro_ts_probe()
105 	input_set_capability(ts->input, EV_ABS, ABS_Y);  in micro_ts_probe()
106 	input_set_abs_params(ts->input, ABS_X, 0, 1023, 0, 0);  in micro_ts_probe()
107 	input_set_abs_params(ts->input, ABS_Y, 0, 1023, 0, 0);  in micro_ts_probe()
109 	error = input_register_device(ts->input);  in micro_ts_probe()
111 		dev_err(&pdev->dev, "error registering touch input\n");  in micro_ts_probe()
117 	dev_info(&pdev->dev, "iPAQ micro touchscreen\n");  in micro_ts_probe()
119 	return 0;  in micro_ts_probe()
128 	return 0;  in micro_ts_suspend()
134 	struct input_dev *input = ts->input;  in micro_ts_resume()
136 	mutex_lock(&input->mutex);  in micro_ts_resume()
138 	if (input->users)  in micro_ts_resume()
141 	mutex_unlock(&input->mutex);  in micro_ts_resume()
143 	return 0;  in micro_ts_resume()
152 		.name	= "ipaq-micro-ts",
161 MODULE_ALIAS("platform:ipaq-micro-ts");