linux-kernel - [alsa-devel] [PATCH 5/9] ASoC: da7210: Add support for other DAI word lengths, format and mode

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Message-ID: <1318431801.12107.416.camel@matrix>
Date:	Wed, 12 Oct 2011 20:33:21 +0530
From:	Ashish Chavan <ashish.chavan@...tcummins.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>, <lrg@...com>,
	alsa-devel <alsa-devel@...a-project.org>
CC:	David Dajun Chen <david.chen@...semi.com>,
	<kuninori.morimoto.gx@...esas.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: [alsa-devel] [PATCH 5/9] ASoC: da7210: Add support for other DAI
 word lengths, format and mode

This patchs adds support for following,
(1) DAI 20 and 32 bit word sizes
(2) DAI left and right justified formats
(3) DAI slave mode

Signed-off-by: Ashish Chavan <ashish.chavan@...tcummins.com>
Signed-off-by: David Dajun Chen <dchen@...semi.com>
---
 sound/soc/codecs/da7210.c |   23 ++++++++++++++++++++++-
 1 files changed, 22 insertions(+), 1 deletions(-)

diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c
index 1b4554a..60f403b 100644
--- a/sound/soc/codecs/da7210.c
+++ b/sound/soc/codecs/da7210.c
@@ -120,12 +120,17 @@
 
 /* DAI_CFG1 bit fields */
 #define DA7210_DAI_WORD_S16_LE		(0 << 0)
+#define DA7210_DAI_WORD_S20_3LE		(1 << 0)
 #define DA7210_DAI_WORD_S24_LE		(2 << 0)
+#define DA7210_DAI_WORD_S32_LE		(3 << 0)
 #define DA7210_DAI_FLEN_64BIT		(1 << 2)
+#define DA7210_DAI_MODE_SLAVE		(0 << 7)
 #define DA7210_DAI_MODE_MASTER		(1 << 7)
 
 /* DAI_CFG3 bit fields */
 #define DA7210_DAI_FORMAT_I2SMODE	(0 << 0)
+#define DA7210_DAI_FORMAT_LEFT_J	(1 << 0)
+#define DA7210_DAI_FORMAT_RIGHT_J	(2 << 0)
 #define DA7210_DAI_OE			(1 << 3)
 #define DA7210_DAI_EN			(1 << 7)
 
@@ -401,9 +406,15 @@ static int da7210_hw_params(struct snd_pcm_substream *substream,
 	case SNDRV_PCM_FORMAT_S16_LE:
 		dai_cfg1 |= DA7210_DAI_WORD_S16_LE;
 		break;
+	case SNDRV_PCM_FORMAT_S20_3LE:
+		dai_cfg1 |= DA7210_DAI_WORD_S20_3LE;
+		break;
 	case SNDRV_PCM_FORMAT_S24_LE:
 		dai_cfg1 |= DA7210_DAI_WORD_S24_LE;
 		break;
+	case SNDRV_PCM_FORMAT_S32_LE:
+		dai_cfg1 |= DA7210_DAI_WORD_S32_LE;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -508,6 +519,9 @@ static int da7210_set_dai_fmt(struct snd_soc_dai *codec_dai, u32 fmt)
 	case SND_SOC_DAIFMT_CBM_CFM:
 		dai_cfg1 |= DA7210_DAI_MODE_MASTER;
 		break;
+	case SND_SOC_DAIFMT_CBS_CFS:
+		dai_cfg1 |= DA7210_DAI_MODE_SLAVE;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -520,6 +534,12 @@ static int da7210_set_dai_fmt(struct snd_soc_dai *codec_dai, u32 fmt)
 	case SND_SOC_DAIFMT_I2S:
 		dai_cfg3 |= DA7210_DAI_FORMAT_I2SMODE;
 		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+		dai_cfg3 |= DA7210_DAI_FORMAT_LEFT_J;
+		break;
+	case SND_SOC_DAIFMT_RIGHT_J:
+		dai_cfg3 |= DA7210_DAI_FORMAT_RIGHT_J;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -536,7 +556,8 @@ static int da7210_set_dai_fmt(struct snd_soc_dai *codec_dai, u32 fmt)
 	return 0;
 }
 
-#define DA7210_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
+#define DA7210_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
 
 /* DAI operations */
 static struct snd_soc_dai_ops da7210_dai_ops = {
-- 
1.7.1


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