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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright 2018 Google LLC
- */
- #include <common.h>
- #include <dm.h>
- #include <sound.h>
- #include <asm/i8254.h>
- int i8254_start_beep(struct udevice *dev, int frequency_hz)
- {
- return i8254_enable_beep(frequency_hz);
- }
- int i8254_stop_beep(struct udevice *dev)
- {
- i8254_disable_beep();
- return 0;
- }
- static const struct sound_ops i8254_ops = {
- .start_beep = i8254_start_beep,
- .stop_beep = i8254_stop_beep,
- };
- static const struct udevice_id i8254_ids[] = {
- { .compatible = "i8254,beeper" },
- { }
- };
- U_BOOT_DRIVER(i8254_drv) = {
- .name = "i8254_drv",
- .id = UCLASS_SOUND,
- .of_match = i8254_ids,
- .ops = &i8254_ops,
- };
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