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6a27e540 SG |
1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | /* | |
3 | * Copyright 2018 Google LLC | |
4 | */ | |
5 | ||
6 | #include <common.h> | |
7 | #include <dm.h> | |
8 | #include <sound.h> | |
9 | #include <asm/i8254.h> | |
10 | ||
11 | int i8254_start_beep(struct udevice *dev, int frequency_hz) | |
12 | { | |
13 | return i8254_enable_beep(frequency_hz); | |
14 | } | |
15 | ||
16 | int i8254_stop_beep(struct udevice *dev) | |
17 | { | |
18 | i8254_disable_beep(); | |
19 | ||
20 | return 0; | |
21 | } | |
22 | ||
23 | static const struct sound_ops i8254_ops = { | |
24 | .start_beep = i8254_start_beep, | |
25 | .stop_beep = i8254_stop_beep, | |
26 | }; | |
27 | ||
28 | static const struct udevice_id i8254_ids[] = { | |
29 | { .compatible = "i8254,beeper" }, | |
30 | { } | |
31 | }; | |
32 | ||
33 | U_BOOT_DRIVER(i8254_drv) = { | |
34 | .name = "i8254_drv", | |
35 | .id = UCLASS_SOUND, | |
36 | .of_match = i8254_ids, | |
37 | .ops = &i8254_ops, | |
38 | }; |