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Diffstat (limited to 'sound/soc/sti/sti_uniperif.c')
-rw-r--r--sound/soc/sti/sti_uniperif.c130
1 files changed, 110 insertions, 20 deletions
diff --git a/sound/soc/sti/sti_uniperif.c b/sound/soc/sti/sti_uniperif.c
index 488ef4ed8fba..549fac349fa0 100644
--- a/sound/soc/sti/sti_uniperif.c
+++ b/sound/soc/sti/sti_uniperif.c
@@ -19,6 +19,84 @@
#define UNIPERIF_MAX_FRAME_SZ 0x20
#define UNIPERIF_ALLOWED_FRAME_SZ (0x08 | 0x10 | 0x18 | UNIPERIF_MAX_FRAME_SZ)
+struct sti_uniperiph_dev_data {
+ unsigned int id; /* Nb available player instances */
+ unsigned int version; /* player IP version */
+ unsigned int stream;
+ const char *dai_names;
+ enum uniperif_type type;
+};
+
+static const struct sti_uniperiph_dev_data sti_uniplayer_hdmi = {
+ .id = 0,
+ .version = SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0,
+ .stream = SNDRV_PCM_STREAM_PLAYBACK,
+ .dai_names = "Uni Player #0 (HDMI)",
+ .type = SND_ST_UNIPERIF_TYPE_HDMI
+};
+
+static const struct sti_uniperiph_dev_data sti_uniplayer_pcm_out = {
+ .id = 1,
+ .version = SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0,
+ .stream = SNDRV_PCM_STREAM_PLAYBACK,
+ .dai_names = "Uni Player #1 (PCM OUT)",
+ .type = SND_ST_UNIPERIF_TYPE_PCM | SND_ST_UNIPERIF_TYPE_TDM,
+};
+
+static const struct sti_uniperiph_dev_data sti_uniplayer_dac = {
+ .id = 2,
+ .version = SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0,
+ .stream = SNDRV_PCM_STREAM_PLAYBACK,
+ .dai_names = "Uni Player #2 (DAC)",
+ .type = SND_ST_UNIPERIF_TYPE_PCM,
+};
+
+static const struct sti_uniperiph_dev_data sti_uniplayer_spdif = {
+ .id = 3,
+ .version = SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0,
+ .stream = SNDRV_PCM_STREAM_PLAYBACK,
+ .dai_names = "Uni Player #3 (SPDIF)",
+ .type = SND_ST_UNIPERIF_TYPE_SPDIF
+};
+
+static const struct sti_uniperiph_dev_data sti_unireader_pcm_in = {
+ .id = 0,
+ .version = SND_ST_UNIPERIF_VERSION_UNI_RDR_1_0,
+ .stream = SNDRV_PCM_STREAM_CAPTURE,
+ .dai_names = "Uni Reader #0 (PCM IN)",
+ .type = SND_ST_UNIPERIF_TYPE_PCM | SND_ST_UNIPERIF_TYPE_TDM,
+};
+
+static const struct sti_uniperiph_dev_data sti_unireader_hdmi_in = {
+ .id = 1,
+ .version = SND_ST_UNIPERIF_VERSION_UNI_RDR_1_0,
+ .stream = SNDRV_PCM_STREAM_CAPTURE,
+ .dai_names = "Uni Reader #1 (HDMI IN)",
+ .type = SND_ST_UNIPERIF_TYPE_PCM,
+};
+
+static const struct of_device_id snd_soc_sti_match[] = {
+ { .compatible = "st,stih407-uni-player-hdmi",
+ .data = &sti_uniplayer_hdmi
+ },
+ { .compatible = "st,stih407-uni-player-pcm-out",
+ .data = &sti_uniplayer_pcm_out
+ },
+ { .compatible = "st,stih407-uni-player-dac",
+ .data = &sti_uniplayer_dac
+ },
+ { .compatible = "st,stih407-uni-player-spdif",
+ .data = &sti_uniplayer_spdif
+ },
+ { .compatible = "st,stih407-uni-reader-pcm_in",
+ .data = &sti_unireader_pcm_in
+ },
+ { .compatible = "st,stih407-uni-reader-hdmi",
+ .data = &sti_unireader_hdmi_in
+ },
+ {},
+};
+
int sti_uniperiph_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
unsigned int rx_mask, int slots,
int slot_width)
@@ -167,8 +245,8 @@ static int sti_uniperiph_dai_create_ctrl(struct snd_soc_dai *dai)
* Uniperipheral instance ID
*/
ctrl = &uni->snd_ctrls[i];
- ctrl->index = uni->info->id;
- ctrl->device = uni->info->id;
+ ctrl->index = uni->id;
+ ctrl->device = uni->id;
}
return snd_soc_add_dai_controls(dai, uni->snd_ctrls, uni->num_ctrls);
@@ -186,7 +264,7 @@ int sti_uniperiph_dai_hw_params(struct snd_pcm_substream *substream,
struct snd_dmaengine_dai_dma_data *dma_data;
int transfer_size;
- if (uni->info->type == SND_ST_UNIPERIF_TYPE_TDM)
+ if (uni->type == SND_ST_UNIPERIF_TYPE_TDM)
/* transfer size = user frame size (in 32-bits FIFO cell) */
transfer_size = snd_soc_params_to_frame_size(params) / 32;
else
@@ -235,7 +313,7 @@ static int sti_uniperiph_dai_resume(struct snd_soc_dai *dai)
struct uniperif *uni = priv->dai_data.uni;
int ret;
- if (of_device_is_compatible(dai->dev->of_node, "st,sti-uni-player")) {
+ if (priv->dai_data.stream == SNDRV_PCM_STREAM_PLAYBACK) {
ret = uni_player_resume(uni);
if (ret)
return ret;
@@ -256,7 +334,7 @@ static int sti_uniperiph_dai_probe(struct snd_soc_dai *dai)
struct sti_uniperiph_dai *dai_data = &priv->dai_data;
/* DMA settings*/
- if (of_device_is_compatible(dai->dev->of_node, "st,sti-uni-player"))
+ if (priv->dai_data.stream == SNDRV_PCM_STREAM_PLAYBACK)
snd_soc_dai_init_dma_data(dai, &dai_data->dma_data, NULL);
else
snd_soc_dai_init_dma_data(dai, NULL, &dai_data->dma_data);
@@ -280,25 +358,32 @@ static const struct snd_soc_component_driver sti_uniperiph_dai_component = {
static int sti_uniperiph_cpu_dai_of(struct device_node *node,
struct sti_uniperiph_data *priv)
{
- const char *str;
- int ret;
struct device *dev = &priv->pdev->dev;
struct sti_uniperiph_dai *dai_data = &priv->dai_data;
struct snd_soc_dai_driver *dai = priv->dai;
struct snd_soc_pcm_stream *stream;
struct uniperif *uni;
+ const struct of_device_id *of_id;
+ const struct sti_uniperiph_dev_data *dev_data;
+ const char *mode;
+
+ /* Populate data structure depending on compatibility */
+ of_id = of_match_node(snd_soc_sti_match, node);
+ if (!of_id->data) {
+ dev_err(dev, "data associated to device is missing");
+ return -EINVAL;
+ }
+ dev_data = (struct sti_uniperiph_dev_data *)of_id->data;
uni = devm_kzalloc(dev, sizeof(*uni), GFP_KERNEL);
if (!uni)
return -ENOMEM;
+ uni->id = dev_data->id;
+ uni->ver = dev_data->version;
+
*dai = sti_uniperiph_dai_template;
- ret = of_property_read_string(node, "dai-name", &str);
- if (ret < 0) {
- dev_err(dev, "%s: dai name missing.\n", __func__);
- return -EINVAL;
- }
- dai->name = str;
+ dai->name = dev_data->dai_names;
/* Get resources */
uni->mem_region = platform_get_resource(priv->pdev, IORESOURCE_MEM, 0);
@@ -322,9 +407,20 @@ static int sti_uniperiph_cpu_dai_of(struct device_node *node,
return -ENXIO;
}
+ uni->type = dev_data->type;
+
+ /* check if player should be configured for tdm */
+ if (dev_data->type & SND_ST_UNIPERIF_TYPE_TDM) {
+ if (!of_property_read_string(node, "st,tdm-mode", &mode))
+ uni->type = SND_ST_UNIPERIF_TYPE_TDM;
+ else
+ uni->type = SND_ST_UNIPERIF_TYPE_PCM;
+ }
+
dai_data->uni = uni;
+ dai_data->stream = dev_data->stream;
- if (of_device_is_compatible(node, "st,sti-uni-player")) {
+ if (priv->dai_data.stream == SNDRV_PCM_STREAM_PLAYBACK) {
uni_player_init(priv->pdev, uni);
stream = &dai->playback;
} else {
@@ -376,12 +472,6 @@ static int sti_uniperiph_probe(struct platform_device *pdev)
&dmaengine_pcm_config, 0);
}
-static const struct of_device_id snd_soc_sti_match[] = {
- { .compatible = "st,sti-uni-player", },
- { .compatible = "st,sti-uni-reader", },
- {},
-};
-
static struct platform_driver sti_uniperiph_driver = {
.driver = {
.name = "sti-uniperiph-dai",
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