diff options
Diffstat (limited to 'drivers/sound/i8254_beep.c')
-rw-r--r-- | drivers/sound/i8254_beep.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/sound/i8254_beep.c b/drivers/sound/i8254_beep.c new file mode 100644 index 0000000000..5572dc4d26 --- /dev/null +++ b/drivers/sound/i8254_beep.c @@ -0,0 +1,38 @@ +// 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, +}; |