summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/omapdrm/dss/hdmi4.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/hdmi4.c')
-rw-r--r--drivers/gpu/drm/omapdrm/dss/hdmi4.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
index fd1b252c6e6d..2bfbd6745850 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
@@ -36,9 +36,11 @@
#include <linux/of.h>
#include <linux/of_graph.h>
#include <sound/omap-hdmi-audio.h>
+#include <media/cec.h>
#include "omapdss.h"
#include "hdmi4_core.h"
+#include "hdmi4_cec.h"
#include "dss.h"
#include "hdmi.h"
@@ -96,6 +98,13 @@ static irqreturn_t hdmi_irq_handler(int irq, void *data)
} else if (irqstatus & HDMI_IRQ_LINK_DISCONNECT) {
hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
}
+ if (irqstatus & HDMI_IRQ_CORE) {
+ u32 intr4 = hdmi_read_reg(hdmi->core.base, HDMI_CORE_SYS_INTR4);
+
+ hdmi_write_reg(hdmi->core.base, HDMI_CORE_SYS_INTR4, intr4);
+ if (intr4 & 8)
+ hdmi4_cec_irq(&hdmi->core);
+ }
return IRQ_HANDLED;
}
@@ -392,6 +401,8 @@ static void hdmi_display_disable(struct omap_dss_device *dssdev)
DSSDBG("Enter hdmi_display_disable\n");
+ hdmi4_cec_set_phys_addr(&hdmi.core, CEC_PHYS_ADDR_INVALID);
+
mutex_lock(&hdmi.lock);
spin_lock_irqsave(&hdmi.audio_playing_lock, flags);
@@ -492,7 +503,11 @@ static int hdmi_read_edid(struct omap_dss_device *dssdev,
}
r = read_edid(edid, len);
-
+ if (r >= 256)
+ hdmi4_cec_set_phys_addr(&hdmi.core,
+ cec_get_edid_phys_addr(edid, r, NULL));
+ else
+ hdmi4_cec_set_phys_addr(&hdmi.core, CEC_PHYS_ADDR_INVALID);
if (need_enable)
hdmi4_core_disable(dssdev);
@@ -726,6 +741,10 @@ static int hdmi4_bind(struct device *dev, struct device *master, void *data)
if (r)
goto err;
+ r = hdmi4_cec_init(pdev, &hdmi.core, &hdmi.wp);
+ if (r)
+ goto err;
+
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
DSSERR("platform_get_irq failed\n");
@@ -770,6 +789,8 @@ static void hdmi4_unbind(struct device *dev, struct device *master, void *data)
hdmi_uninit_output(pdev);
+ hdmi4_cec_uninit(&hdmi.core);
+
hdmi_pll_uninit(&hdmi.pll);
pm_runtime_disable(&pdev->dev);