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/*
* Copyright (c) 2019-2025 Allwinner Technology Co., Ltd. ALL rights reserved.
*
* Allwinner is a trademark of Allwinner Technology Co.,Ltd., registered in
* the the people's Republic of China and other countries.
* All Allwinner Technology Co.,Ltd. trademarks are used with permission.
*
* DISCLAIMER
* THIRD PARTY LICENCES MAY BE REQUIRED TO IMPLEMENT THE SOLUTION/PRODUCT.
* IF YOU NEED TO INTEGRATE THIRD PARTY’S TECHNOLOGY (SONY, DTS, DOLBY, AVS OR MPEGLA, ETC.)
* IN ALLWINNERS’SDK OR PRODUCTS, YOU SHALL BE SOLELY RESPONSIBLE TO OBTAIN
* ALL APPROPRIATELY REQUIRED THIRD PARTY LICENCES.
* ALLWINNER SHALL HAVE NO WARRANTY, INDEMNITY OR OTHER OBLIGATIONS WITH RESPECT TO MATTERS
* COVERED UNDER ANY REQUIRED THIRD PARTY LICENSE.
* YOU ARE SOLELY RESPONSIBLE FOR YOUR USAGE OF THIRD PARTY’S TECHNOLOGY.
*
*
* THIS SOFTWARE IS PROVIDED BY ALLWINNER"AS IS" AND TO THE MAXIMUM EXTENT
* PERMITTED BY LAW, ALLWINNER EXPRESSLY DISCLAIMS ALL WARRANTIES OF ANY KIND,
* WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION REGARDING
* THE TITLE, NON-INFRINGEMENT, ACCURACY, CONDITION, COMPLETENESS, PERFORMANCE
* OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
* IN NO EVENT SHALL ALLWINNER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS, OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <string.h>
#include <hal_dma.h>
#include <sound/snd_core.h>
#include <sound/snd_pcm.h>
/* #include <sound/sunxi-codec.h> */
#include "../codecs/sunxi-codec.h"
#include "sunxi-pcm.h"
struct sunxi_cpudai_info {
struct sunxi_dma_params playback_dma_param;
struct sunxi_dma_params capture_dma_param;
};
static int sunxi_cpudai_platform_probe(struct snd_platform *platform)
{
struct sunxi_cpudai_info *info = NULL;
snd_print("\n");
if (!platform->cpu_dai)
return -1;
info = snd_malloc(sizeof(struct sunxi_cpudai_info));
if (!info) {
snd_err("no memory\n");
return -ENOMEM;
}
platform->private_data = (void *)info;
/* dma para */
info->playback_dma_param.dma_addr = (dma_addr_t)(SUNXI_CODEC_BASE_ADDR + SUNXI_DAC_TXDATA);
info->playback_dma_param.dma_drq_type_num = DRQDST_AUDIO_CODEC;
info->playback_dma_param.dst_maxburst = 4;
info->playback_dma_param.src_maxburst = 4;
info->capture_dma_param.dma_addr = (dma_addr_t)(SUNXI_CODEC_BASE_ADDR + SUNXI_ADC_RXDATA);
info->capture_dma_param.dma_drq_type_num = DRQSRC_AUDIO_CODEC;
info->capture_dma_param.dst_maxburst = 4;
info->capture_dma_param.src_maxburst = 4;
platform->cpu_dai->component = platform;
return 0;
}
static int sunxi_cpudai_platform_remove(struct snd_platform *platform)
{
struct sunxi_cpudai_info *info = NULL;
snd_print("\n");
info = platform->private_data;
snd_free(info);
platform->private_data = NULL;
return 0;
}
static int sunxi_cpudai_startup(struct snd_pcm_substream *substream,
struct snd_dai *dai)
{
struct snd_platform *platform = snd_soc_dai_get_component(dai);
struct sunxi_cpudai_info *info = platform->private_data;
snd_print("\n");
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
dai->playback_dma_data = &info->playback_dma_param;
else
dai->capture_dma_data = &info->capture_dma_param;
return 0;
}
#if 0
static int sunxi_cpudai_probe(struct snd_dai *dai)
{
dai->playback_dma_data = 0;
dai->capture_dma_data = 0;
}
#endif
static struct snd_dai_ops sunxi_cpudai_dai_ops = {
.startup = sunxi_cpudai_startup,
};
static struct snd_dai sunxi_cpudai = {
.id = 1,
.name = "audiocodec-cpudai",
/*.probe = sunxi_cpudai_probe,*/
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_192000
| SNDRV_PCM_RATE_KNOT,
.formats = SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
| SNDRV_PCM_FMTBIT_S32_LE,
.rate_min = 8000,
.rate_max = 192000,
},
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 4,
.rates = SNDRV_PCM_RATE_8000_48000
| SNDRV_PCM_RATE_KNOT,
.formats = SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE,
.rate_min = 8000,
.rate_max = 48000,
},
.ops = &sunxi_cpudai_dai_ops,
};
#if 0
struct snd_platform gAudioCodecPlatform = {
.name = "audiocodec-cpudai",
.ops = &sunxi_pcm_ops,
.pcm_new = sunxi_pcm_new,
.pcm_free = sunxi_pcm_free,
.cpu_dai = &sunxi_cpudai,
.private_data = NULL,
};
#endif
int snd_platform_cpudai_register(struct snd_platform *platform, int arg)
{
int ret = 0;
platform->name = strdup("audiocodec-platform");
platform->ops = &sunxi_pcm_ops;
platform->pcm_new = sunxi_pcm_new;
platform->pcm_free = sunxi_pcm_free;
platform->cpu_dai = snd_malloc(sizeof(struct snd_dai));
if (!platform->cpu_dai) {
snd_err("cpu_dai malloc failed.\n");
ret = -ENOMEM;
goto err_cpu_dai_malloc;
}
memcpy(platform->cpu_dai, &sunxi_cpudai, sizeof(struct snd_dai));
platform->probe = sunxi_cpudai_platform_probe;
platform->remove = sunxi_cpudai_platform_remove;
return 0;
err_cpu_dai_malloc:
snd_free(platform->name);
return ret;
}
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