diff options
Diffstat (limited to 'drivers/sound/sandbox.c')
| -rw-r--r-- | drivers/sound/sandbox.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/sound/sandbox.c b/drivers/sound/sandbox.c index 94eff54282..d24eb9ae9c 100644 --- a/drivers/sound/sandbox.c +++ b/drivers/sound/sandbox.c @@ -4,9 +4,19 @@ */ #include <common.h> +#include <dm.h> +#include <audio_codec.h> #include <asm/sound.h> #include <asm/sdl.h> +struct sandbox_codec_priv { + int interface; + int rate; + int mclk_freq; + int bits_per_sample; + uint channels; +}; + int sound_play(uint32_t msec, uint32_t frequency) { sandbox_sdl_sound_start(frequency); @@ -20,3 +30,48 @@ int sound_init(const void *blob) { return sandbox_sdl_sound_init(); } + +void sandbox_get_codec_params(struct udevice *dev, int *interfacep, int *ratep, + int *mclk_freqp, int *bits_per_samplep, + uint *channelsp) +{ + struct sandbox_codec_priv *priv = dev_get_priv(dev); + + *interfacep = priv->interface; + *ratep = priv->rate; + *mclk_freqp = priv->mclk_freq; + *bits_per_samplep = priv->bits_per_sample; + *channelsp = priv->channels; +} + +static int sandbox_codec_set_params(struct udevice *dev, int interface, + int rate, int mclk_freq, + int bits_per_sample, uint channels) +{ + struct sandbox_codec_priv *priv = dev_get_priv(dev); + + priv->interface = interface; + priv->rate = rate; + priv->mclk_freq = mclk_freq; + priv->bits_per_sample = bits_per_sample; + priv->channels = channels; + + return 0; +} + +static const struct audio_codec_ops sandbox_codec_ops = { + .set_params = sandbox_codec_set_params, +}; + +static const struct udevice_id sandbox_codec_ids[] = { + { .compatible = "sandbox,audio-codec" }, + { } +}; + +U_BOOT_DRIVER(sandbox_codec) = { + .name = "sandbox_codec", + .id = UCLASS_AUDIO_CODEC, + .of_match = sandbox_codec_ids, + .ops = &sandbox_codec_ops, + .priv_auto_alloc_size = sizeof(struct sandbox_codec_priv), +}; |