2 * Copyright (c) 2015 Google, Inc
4 * SPDX-License-Identifier: GPL-2.0+
11 static int keyboard_start(struct stdio_dev *sdev)
13 struct udevice *dev = sdev->priv;
14 struct keyboard_ops *ops = keyboard_get_ops(dev);
17 return ops->start(dev);
22 static int keyboard_stop(struct stdio_dev *sdev)
24 struct udevice *dev = sdev->priv;
25 struct keyboard_ops *ops = keyboard_get_ops(dev);
28 return ops->stop(dev);
33 static int keyboard_tstc(struct stdio_dev *sdev)
35 struct udevice *dev = sdev->priv;
36 struct keyboard_priv *priv = dev_get_uclass_priv(dev);
37 struct keyboard_ops *ops = keyboard_get_ops(dev);
39 /* Just get input to do this for us if we can */
41 return input_tstc(&priv->input);
43 return ops->tstc(dev);
48 static int keyboard_getc(struct stdio_dev *sdev)
50 struct udevice *dev = sdev->priv;
51 struct keyboard_priv *priv = dev_get_uclass_priv(dev);
52 struct keyboard_ops *ops = keyboard_get_ops(dev);
54 /* Just get input to do this for us if we can */
56 return input_getc(&priv->input);
58 return ops->getc(dev);
63 static int keyboard_pre_probe(struct udevice *dev)
65 struct keyboard_priv *priv = dev_get_uclass_priv(dev);
66 struct stdio_dev *sdev = &priv->sdev;
69 strlcpy(sdev->name, dev->name, sizeof(sdev->name));
70 sdev->flags = DEV_FLAGS_INPUT;
71 sdev->getc = keyboard_getc;
72 sdev->tstc = keyboard_tstc;
73 sdev->start = keyboard_start;
74 sdev->stop = keyboard_stop;
76 ret = input_init(&priv->input, 0);
78 debug("%s: Cannot set up input, ret=%d - please add DEBUG to drivers/input/input.c to figure out the cause\n",
86 UCLASS_DRIVER(keyboard) = {
87 .id = UCLASS_KEYBOARD,
89 .pre_probe = keyboard_pre_probe,
90 .per_device_auto_alloc_size = sizeof(struct keyboard_priv),