Implements callbacks for OMAP HDMI audio library and registers
HDMI audio support with omap_hdmi_audio_register()-call.
Signed-off-by: Jyri Sarha <jsarha@xxxxxx>
---
drivers/video/fbdev/omap2/dss/hdmi5.c | 83 +++++++++++++++++++++++++++++++++
1 file changed, 83 insertions(+)
diff --git a/drivers/video/fbdev/omap2/dss/hdmi5.c b/drivers/video/fbdev/omap2/dss/hdmi5.c
index 90410f5..3ed7085 100644
--- a/drivers/video/fbdev/omap2/dss/hdmi5.c
+++ b/drivers/video/fbdev/omap2/dss/hdmi5.c
@@ -38,6 +38,7 @@
#include <linux/gpio.h>
#include <linux/regulator/consumer.h>
#include <video/omapdss.h>
+#include <sound/omap-hdmi-audio.h>
#include "hdmi5_core.h"
#include "dss.h"
@@ -679,6 +680,78 @@ err:
return r;
}
+#if defined(CONFIG_OMAP5_DSS_HDMI_AUDIO)
+static int mode_has_audio(struct device *dev)
+{
+ struct omap_hdmi *hd = dev_get_drvdata(dev);
+ int ret;
+
+ mutex_lock(&hd->lock);
+ ret = hdmi_mode_has_audio(&hd->cfg);
+ mutex_unlock(&hd->lock);
+
+ return ret;
+}
+
+static int audio_enable(struct device *dev, bool enable)
+{
+ struct omap_hdmi *hd = dev_get_drvdata(dev);
+ int ret;
+
+ mutex_lock(&hd->lock);
+ if (!hdmi_mode_has_audio(&hd->cfg))
+ ret = -EPERM;
+ else
+ ret = hdmi_wp_audio_enable(&hd->wp, enable);
+ mutex_unlock(&hd->lock);
+
+ return ret;
+}
+
+static int audio_start(struct device *dev, bool enable)
+{
+ struct omap_hdmi *hd = dev_get_drvdata(dev);
+
+ return hdmi_wp_audio_core_req_enable(&hd->wp, enable);
+}
+
+static int audio_config(struct device *dev, struct omap_dss_audio *dss_audio)
+{
+ struct omap_hdmi *hd = dev_get_drvdata(dev);
+ int ret;
+
+ mutex_lock(&hd->lock);
+ if (!hdmi_mode_has_audio(&hd->cfg))
+ ret = -EPERM;
+ else
+ ret = hdmi5_audio_config(&hd->core, &hd->wp, dss_audio,
+ hd->cfg.timings.pixelclock);
+ mutex_unlock(&hd->lock);
+
+ return ret;
+}
+
+static int hdmi_audio_register(struct device *dev)
+{
+ struct omap_hdmi_audio ha = {
+ .dev = dev,
+ .hw_version = OMAP5_HDMI,
+ .audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi.wp),
+ .mode_has_audio = mode_has_audio,
+ .audio_enable = audio_enable,
+ .audio_start = audio_start,
+ .audio_config = audio_config,
+ };
+
+ return omap_hdmi_audio_register(&ha);
+}
+#else /* CONFIG_OMAP5_DSS_HDMI_AUDIO */
+static int hdmi_audio_register(struct device *dev)
+{
+ return 0;
+}
+#endif
+
/* HDMI HW IP initialisation */
static int omapdss_hdmihw_probe(struct platform_device *pdev)
{
@@ -736,6 +809,14 @@ static int omapdss_hdmihw_probe(struct platform_device *pdev)
hdmi_init_output(pdev);
+ r = hdmi_audio_register(&pdev->dev);
+ if (r) {
+ DSSERR("Registering HDMI audio failed\n");
+ hdmi_uninit_output(pdev);
+ pm_runtime_disable(&pdev->dev);
+ return r;
+ }
+
dss_debugfs_create_file("hdmi", hdmi_dump_regs);
return 0;
@@ -743,6 +824,8 @@ static int omapdss_hdmihw_probe(struct platform_device *pdev)
static int __exit omapdss_hdmihw_remove(struct platform_device *pdev)
{
+ omap_hdmi_audio_unregister(&pdev->dev);
+
hdmi_uninit_output(pdev);
pm_runtime_disable(&pdev->dev);
--
1.7.9.5
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