| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (c) 2013 Google, Inc |
| */ |
| |
| #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); |
| mdelay(msec); |
| sandbox_sdl_sound_stop(); |
| |
| return 0; |
| } |
| |
| 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), |
| }; |