linux-kernel - [PATCH v3 5/9] ASoC: qcom: q6asm-dai: add support to wma decoder

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Message-Id: <20200316055221.1944464-6-vkoul@kernel.org>
Date:   Mon, 16 Mar 2020 11:22:17 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Mark Brown <broonie@...nel.org>, Takashi Iwai <tiwai@...e.com>
Cc:     linux-arm-msm@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Patrick Lai <plai@...eaurora.org>,
        Banajit Goswami <bgoswami@...eaurora.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 5/9] ASoC: qcom: q6asm-dai: add support to wma decoder

Qualcomm DSPs also supports the wma decoder, so add support for wma
decoder and convert the snd_codec_params to qdsp format.

Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Signed-off-by: Vinod Koul <vkoul@...nel.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;
 }
-- 
2.24.1