1 // SPDX-License-Identifier: GPL-2.0-or-later
6  * Copyright 2007-2009 HV Sistemas S.L.
11 #include <linux/io.h>
28 	struct input_dev *input = opencores_kbd->input;  in opencores_kbd_isr()
31 	c = readb(opencores_kbd->addr);  in opencores_kbd_isr()
46 		return -EINVAL;  in opencores_kbd_probe()
48 	opencores_kbd = devm_kzalloc(&pdev->dev, sizeof(*opencores_kbd),  in opencores_kbd_probe()
51 		return -ENOMEM;  in opencores_kbd_probe()
53 	input = devm_input_allocate_device(&pdev->dev);  in opencores_kbd_probe()
55 		dev_err(&pdev->dev, "failed to allocate input device\n");  in opencores_kbd_probe()
56 		return -ENOMEM;  in opencores_kbd_probe()
59 	opencores_kbd->input = input;  in opencores_kbd_probe()
61 	opencores_kbd->addr = devm_platform_ioremap_resource(pdev, 0);  in opencores_kbd_probe()
62 	if (IS_ERR(opencores_kbd->addr))  in opencores_kbd_probe()
63 		return PTR_ERR(opencores_kbd->addr);  in opencores_kbd_probe()
65 	input->name = pdev->name;  in opencores_kbd_probe()
66 	input->phys = "opencores-kbd/input0";  in opencores_kbd_probe()
68 	input->id.bustype = BUS_HOST;  in opencores_kbd_probe()
69 	input->id.vendor = 0x0001;  in opencores_kbd_probe()
70 	input->id.product = 0x0001;  in opencores_kbd_probe()
71 	input->id.version = 0x0100;  in opencores_kbd_probe()
73 	input->keycode = opencores_kbd->keycodes;  in opencores_kbd_probe()
74 	input->keycodesize = sizeof(opencores_kbd->keycodes[0]);  in opencores_kbd_probe()
75 	input->keycodemax = ARRAY_SIZE(opencores_kbd->keycodes);  in opencores_kbd_probe()
77 	__set_bit(EV_KEY, input->evbit);  in opencores_kbd_probe()
79 	for (i = 0; i < ARRAY_SIZE(opencores_kbd->keycodes); i++) {  in opencores_kbd_probe()
84 		opencores_kbd->keycodes[i] = i;  in opencores_kbd_probe()
85 		__set_bit(opencores_kbd->keycodes[i], input->keybit);  in opencores_kbd_probe()
87 	__clear_bit(KEY_RESERVED, input->keybit);  in opencores_kbd_probe()
89 	error = devm_request_irq(&pdev->dev, irq, &opencores_kbd_isr,  in opencores_kbd_probe()
91 				 pdev->name, opencores_kbd);  in opencores_kbd_probe()
93 		dev_err(&pdev->dev, "unable to claim irq %d\n", irq);  in opencores_kbd_probe()
99 		dev_err(&pdev->dev, "unable to register input device\n");  in opencores_kbd_probe()
109 		.name = "opencores-kbd",