linux-kernel - Re: [RESEND PATCH v2 5/9] ASoC: qcom: q6asm-dai: add support to wma decoder

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Date:   Fri, 13 Mar 2020 12:15:34 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Vinod Koul <vkoul@...nel.org>, Mark Brown <broonie@...nel.org>,
        Takashi Iwai <tiwai@...e.com>
Cc:     linux-arm-msm@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Patrick Lai <plai@...eaurora.org>,
        Banajit Goswami <bgoswami@...eaurora.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RESEND PATCH v2 5/9] ASoC: qcom: q6asm-dai: add support to wma
 decoder



On 13/03/2020 10:16, Vinod Koul wrote:
> Qualcomm DSPs also supports the wma decoder, so add support for wma
> decoder and convert the snd_codec_params to qdsp format.
> 
> Signed-off-by: Vinod Koul <vkoul@...nel.org>

Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>


> ---
>   sound/soc/qcom/qdsp6/q6asm-dai.c | 67 +++++++++++++++++++++++++++++++-
>   1 file changed, 66 insertions(+), 1 deletion(-)
> 
> diff --git a/sound/soc/qcom/qdsp6/q6asm-dai.c b/sound/soc/qcom/qdsp6/q6asm-dai.c
> index 8f245d03b6f5..53c250778eea 100644
> --- a/sound/soc/qcom/qdsp6/q6asm-dai.c
> +++ b/sound/soc/qcom/qdsp6/q6asm-dai.c
> @@ -627,10 +627,13 @@ static int q6asm_dai_compr_set_params(struct snd_compr_stream *stream,
>   	int dir = stream->direction;
>   	struct q6asm_dai_data *pdata;
>   	struct q6asm_flac_cfg flac_cfg;
> +	struct q6asm_wma_cfg wma_cfg;
> +	unsigned int wma_v9 = 0;
>   	struct device *dev = c->dev;
>   	int ret;
>   	union snd_codec_options *codec_options;
>   	struct snd_dec_flac *flac;
> +	struct snd_dec_wma *wma;
>   
>   	codec_options = &(prtd->codec_param.codec.options);
>   
> @@ -692,6 +695,67 @@ static int q6asm_dai_compr_set_params(struct snd_compr_stream *stream,
>   			return -EIO;
>   		}
>   		break;
> +
> +	case SND_AUDIOCODEC_WMA:
> +		wma = &codec_options->wma_d;
> +
> +		memset(&wma_cfg, 0x0, sizeof(struct q6asm_wma_cfg));
> +
> +		wma_cfg.sample_rate =  params->codec.sample_rate;
> +		wma_cfg.num_channels = params->codec.ch_in;
> +		wma_cfg.bytes_per_sec = params->codec.bit_rate / 8;
> +		wma_cfg.block_align = params->codec.align;
> +		wma_cfg.bits_per_sample = prtd->bits_per_sample;
> +		wma_cfg.enc_options = wma->encoder_option;
> +		wma_cfg.adv_enc_options = wma->adv_encoder_option;
> +		wma_cfg.adv_enc_options2 = wma->adv_encoder_option2;
> +
> +		if (wma_cfg.num_channels == 1)
> +			wma_cfg.channel_mask = 4; /* Mono Center */
> +		else if (wma_cfg.num_channels == 2)
> +			wma_cfg.channel_mask = 3; /* Stereo FL/FR */
> +		else
> +			return -EINVAL;
> +
> +		/* check the codec profile */
> +		switch (params->codec.profile) {
> +		case SND_AUDIOPROFILE_WMA9:
> +			wma_cfg.fmtag = 0x161;
> +			wma_v9 = 1;
> +			break;
> +
> +		case SND_AUDIOPROFILE_WMA10:
> +			wma_cfg.fmtag = 0x166;
> +			break;
> +
> +		case SND_AUDIOPROFILE_WMA9_PRO:
> +			wma_cfg.fmtag = 0x162;
> +			break;
> +
> +		case SND_AUDIOPROFILE_WMA9_LOSSLESS:
> +			wma_cfg.fmtag = 0x163;
> +			break;
> +
> +		case SND_AUDIOPROFILE_WMA10_LOSSLESS:
> +			wma_cfg.fmtag = 0x167;
> +			break;
> +
> +		default:
> +			dev_err(dev, "Unknown WMA profile:%x\n",
> +				params->codec.profile);
> +			return -EIO;
> +		}
> +
> +		if (wma_v9)
> +			ret = q6asm_stream_media_format_block_wma_v9(
> +					prtd->audio_client, &wma_cfg);
> +		else
> +			ret = q6asm_stream_media_format_block_wma_v10(
> +					prtd->audio_client, &wma_cfg);
> +		if (ret < 0) {
> +			dev_err(dev, "WMA9 CMD failed:%d\n", ret);
> +			return -EIO;
> +		}
>   	default:
>   		break;
>   	}
> @@ -791,9 +855,10 @@ static int q6asm_dai_compr_get_caps(struct snd_compr_stream *stream,
>   	caps->max_fragment_size = COMPR_PLAYBACK_MAX_FRAGMENT_SIZE;
>   	caps->min_fragments = COMPR_PLAYBACK_MIN_NUM_FRAGMENTS;
>   	caps->max_fragments = COMPR_PLAYBACK_MAX_NUM_FRAGMENTS;
> -	caps->num_codecs = 2;
> +	caps->num_codecs = 3;
>   	caps->codecs[0] = SND_AUDIOCODEC_MP3;
>   	caps->codecs[1] = SND_AUDIOCODEC_FLAC;
> +	caps->codecs[2] = SND_AUDIOCODEC_WMA;
>   
>   	return 0;
>   }
>