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Message-Id: <c8943506a056073292ef525a85e9ed89b6e90eb0.1421782532.git.moinejf@free.fr>
Date: Mon, 19 Jan 2015 18:15:31 +0100
From: Jean-Francois Moine <moinejf@...e.fr>
To: Mark Brown <broonie@...nel.org>,
Russell King - ARM Linux <linux@....linux.org.uk>
Cc: Dave Airlie <airlied@...il.com>,
Andrew Jackson <Andrew.Jackson@....com>,
Jyri Sarha <jsarha@...com>, alsa-devel@...a-project.org,
devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v10 1/9] ASoC: kirkwood: dynamically build the DAI array
This patch prepares the driver to the creation of the DAIs from a graph
of ports.
Signed-off-by: Jean-Francois Moine <moinejf@...e.fr>
---
sound/soc/kirkwood/kirkwood-i2s.c | 108 ++++++++++++++------------------------
sound/soc/kirkwood/kirkwood.h | 1 +
2 files changed, 40 insertions(+), 69 deletions(-)
diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c
index def7d82..62d9c12 100644
--- a/sound/soc/kirkwood/kirkwood-i2s.c
+++ b/sound/soc/kirkwood/kirkwood-i2s.c
@@ -438,49 +438,8 @@ static const struct snd_soc_dai_ops kirkwood_i2s_dai_ops = {
.set_fmt = kirkwood_i2s_set_fmt,
};
-static struct snd_soc_dai_driver kirkwood_i2s_dai[2] = {
- {
- .name = "i2s",
- .id = 0,
- .playback = {
- .channels_min = 1,
- .channels_max = 2,
- .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
- SNDRV_PCM_RATE_96000,
- .formats = KIRKWOOD_I2S_FORMATS,
- },
- .capture = {
- .channels_min = 1,
- .channels_max = 2,
- .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
- SNDRV_PCM_RATE_96000,
- .formats = KIRKWOOD_I2S_FORMATS,
- },
- .ops = &kirkwood_i2s_dai_ops,
- },
- {
- .name = "spdif",
- .id = 1,
- .playback = {
- .channels_min = 1,
- .channels_max = 2,
- .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
- SNDRV_PCM_RATE_96000,
- .formats = KIRKWOOD_SPDIF_FORMATS,
- },
- .capture = {
- .channels_min = 1,
- .channels_max = 2,
- .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
- SNDRV_PCM_RATE_96000,
- .formats = KIRKWOOD_SPDIF_FORMATS,
- },
- .ops = &kirkwood_i2s_dai_ops,
- },
-};
-
-static struct snd_soc_dai_driver kirkwood_i2s_dai_extclk[2] = {
- {
+/* DAI sample for I2S and external clock */
+static struct snd_soc_dai_driver kirkwood_i2s_dai_i2s_ext = {
.name = "i2s",
.id = 0,
.playback = {
@@ -500,42 +459,52 @@ static struct snd_soc_dai_driver kirkwood_i2s_dai_extclk[2] = {
.formats = KIRKWOOD_I2S_FORMATS,
},
.ops = &kirkwood_i2s_dai_ops,
- },
- {
- .name = "spdif",
- .id = 1,
- .playback = {
- .channels_min = 1,
- .channels_max = 2,
- .rates = SNDRV_PCM_RATE_CONTINUOUS,
- .rate_min = 5512,
- .rate_max = 192000,
- .formats = KIRKWOOD_SPDIF_FORMATS,
- },
- .capture = {
- .channels_min = 1,
- .channels_max = 2,
- .rates = SNDRV_PCM_RATE_CONTINUOUS,
- .rate_min = 5512,
- .rate_max = 192000,
- .formats = KIRKWOOD_SPDIF_FORMATS,
- },
- .ops = &kirkwood_i2s_dai_ops,
- },
};
static const struct snd_soc_component_driver kirkwood_i2s_component = {
.name = DRV_NAME,
};
+/* create the DAIs */
+static int kirkwood_i2s_create_dais(struct kirkwood_dma_data *priv)
+{
+ int i, ndai, dai[2];
+
+ ndai = 2;
+ dai[0] = 0; /* i2s(0) - spdif(1) */
+ dai[1] = 1;
+ for (i = 0; i < ndai; i++) {
+ memcpy(&priv->dais[i], &kirkwood_i2s_dai_i2s_ext,
+ sizeof(priv->dais[0]));
+ priv->dais[i].id = i;
+ if (dai[i] == 1) {
+ priv->dais[i].name = "spdif";
+ priv->dais[i].playback.formats =
+ KIRKWOOD_SPDIF_FORMATS;
+ priv->dais[i].capture.formats =
+ KIRKWOOD_SPDIF_FORMATS;
+ }
+ if (IS_ERR(priv->extclk)) {
+ priv->dais[i].playback.rates =
+ SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000 |
+ SNDRV_PCM_RATE_96000;
+ priv->dais[i].capture.rates =
+ SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000 |
+ SNDRV_PCM_RATE_96000;
+ }
+ }
+ return ndai;
+}
+
static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
{
struct kirkwood_asoc_platform_data *data = pdev->dev.platform_data;
- struct snd_soc_dai_driver *soc_dai = kirkwood_i2s_dai;
struct kirkwood_dma_data *priv;
struct resource *mem;
struct device_node *np = pdev->dev.of_node;
- int err;
+ int err, ndais;
priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
if (!priv) {
@@ -585,7 +554,6 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
} else {
dev_info(&pdev->dev, "found external clock\n");
clk_prepare_enable(priv->extclk);
- soc_dai = kirkwood_i2s_dai_extclk;
}
}
@@ -602,8 +570,10 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
priv->ctl_rec |= KIRKWOOD_RECCTL_BURST_128;
}
+ ndais = kirkwood_i2s_create_dais(priv);
+
err = snd_soc_register_component(&pdev->dev, &kirkwood_i2s_component,
- soc_dai, 2);
+ priv->dais, ndais);
if (err) {
dev_err(&pdev->dev, "snd_soc_register_component failed\n");
goto err_component;
diff --git a/sound/soc/kirkwood/kirkwood.h b/sound/soc/kirkwood/kirkwood.h
index 90e32a7..a24d2c2 100644
--- a/sound/soc/kirkwood/kirkwood.h
+++ b/sound/soc/kirkwood/kirkwood.h
@@ -135,6 +135,7 @@ struct kirkwood_dma_data {
void __iomem *io;
struct clk *clk;
struct clk *extclk;
+ struct snd_soc_dai_driver dais[2];
uint32_t ctl_play;
uint32_t ctl_rec;
struct snd_pcm_substream *substream_play;
--
2.1.4
--
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