1 // SPDX-License-Identifier: GPL-2.0-only
17 #include <media/rc-core.h>
33 	struct device *pmdev = gpio_dev->pmdev;  in gpio_ir_recv_irq()
39 	 * this may introduce a millisecond delay to call resume callback,  in gpio_ir_recv_irq()
43 	 * respond to interrupt, another is delay introduced by async api.  in gpio_ir_recv_irq()
48 	val = gpiod_get_value(gpio_dev->gpiod);  in gpio_ir_recv_irq()
50 		ir_raw_event_store_edge(gpio_dev->rcdev, val == 1);  in gpio_ir_recv_irq()
62 	struct device *dev = &pdev->dev;  in gpio_ir_recv_probe()
63 	struct device_node *np = dev->of_node;  in gpio_ir_recv_probe()
70 		return -ENODEV;  in gpio_ir_recv_probe()
74 		return -ENOMEM;  in gpio_ir_recv_probe()
76 	gpio_dev->gpiod = devm_gpiod_get(dev, NULL, GPIOD_IN);  in gpio_ir_recv_probe()
77 	if (IS_ERR(gpio_dev->gpiod))  in gpio_ir_recv_probe()
78 		return dev_err_probe(dev, PTR_ERR(gpio_dev->gpiod),  in gpio_ir_recv_probe()
80 	gpio_dev->irq = gpiod_to_irq(gpio_dev->gpiod);  in gpio_ir_recv_probe()
81 	if (gpio_dev->irq < 0)  in gpio_ir_recv_probe()
82 		return gpio_dev->irq;  in gpio_ir_recv_probe()
86 		return -ENOMEM;  in gpio_ir_recv_probe()
88 	rcdev->priv = gpio_dev;  in gpio_ir_recv_probe()
89 	rcdev->device_name = GPIO_IR_DEVICE_NAME;  in gpio_ir_recv_probe()
90 	rcdev->input_phys = GPIO_IR_DEVICE_NAME "/input0";  in gpio_ir_recv_probe()
91 	rcdev->input_id.bustype = BUS_HOST;  in gpio_ir_recv_probe()
92 	rcdev->input_id.vendor = 0x0001;  in gpio_ir_recv_probe()
93 	rcdev->input_id.product = 0x0001;  in gpio_ir_recv_probe()
94 	rcdev->input_id.version = 0x0100;  in gpio_ir_recv_probe()
95 	rcdev->dev.parent = dev;  in gpio_ir_recv_probe()
96 	rcdev->driver_name = KBUILD_MODNAME;  in gpio_ir_recv_probe()
97 	rcdev->min_timeout = 1;  in gpio_ir_recv_probe()
98 	rcdev->timeout = IR_DEFAULT_TIMEOUT;  in gpio_ir_recv_probe()
99 	rcdev->max_timeout = 10 * IR_DEFAULT_TIMEOUT;  in gpio_ir_recv_probe()
100 	rcdev->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;  in gpio_ir_recv_probe()
101 	rcdev->map_name = of_get_property(np, "linux,rc-map-name", NULL);  in gpio_ir_recv_probe()
102 	if (!rcdev->map_name)  in gpio_ir_recv_probe()
103 		rcdev->map_name = RC_MAP_EMPTY;  in gpio_ir_recv_probe()
105 	gpio_dev->rcdev = rcdev;  in gpio_ir_recv_probe()
106 	if (of_property_read_bool(np, "wakeup-source"))  in gpio_ir_recv_probe()
115 	of_property_read_u32(np, "linux,autosuspend-period", &period);  in gpio_ir_recv_probe()
117 		gpio_dev->pmdev = dev;  in gpio_ir_recv_probe()
126 	return devm_request_irq(dev, gpio_dev->irq, gpio_ir_recv_irq,  in gpio_ir_recv_probe()
128 				"gpio-ir-recv-irq", gpio_dev);  in gpio_ir_recv_probe()
134 	struct device *pmdev = gpio_dev->pmdev;  in gpio_ir_recv_remove()
138 		cpu_latency_qos_remove_request(&gpio_dev->qos);  in gpio_ir_recv_remove()
152 		enable_irq_wake(gpio_dev->irq);  in gpio_ir_recv_suspend()
154 		disable_irq(gpio_dev->irq);  in gpio_ir_recv_suspend()
164 		disable_irq_wake(gpio_dev->irq);  in gpio_ir_recv_resume()
166 		enable_irq(gpio_dev->irq);  in gpio_ir_recv_resume()
175 	cpu_latency_qos_remove_request(&gpio_dev->qos);  in gpio_ir_recv_runtime_suspend()
184 	cpu_latency_qos_add_request(&gpio_dev->qos, 0);  in gpio_ir_recv_runtime_resume()
198 	{ .compatible = "gpio-ir-receiver", },