It could be possible that the DMA port differs accross diferent HDMI IPs. Thus,
add an IP-specific function to obtain the address offset and size of the DMA
data port.
Signed-off-by: Ricardo Neri <ricardo.neri@xxxxxx>
---
drivers/video/omap2/dss/dss_features.c | 1 +
drivers/video/omap2/dss/ti_hdmi.h | 3 +++
drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c | 9 +++++++++
3 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/drivers/video/omap2/dss/dss_features.c b/drivers/video/omap2/dss/dss_features.c
index 3e8287c..8dcecbc 100644
--- a/drivers/video/omap2/dss/dss_features.c
+++ b/drivers/video/omap2/dss/dss_features.c
@@ -820,6 +820,7 @@ static const struct ti_hdmi_ip_ops omap4_hdmi_functions = {
.audio_start = ti_hdmi_4xxx_audio_start,
.audio_stop = ti_hdmi_4xxx_audio_stop,
.audio_config = ti_hdmi_4xxx_audio_config,
+ .audio_get_dma_port = ti_hdmi_4xxx_audio_get_dma_port,
#endif
};
diff --git a/drivers/video/omap2/dss/ti_hdmi.h b/drivers/video/omap2/dss/ti_hdmi.h
index b046c20..216aa70 100644
--- a/drivers/video/omap2/dss/ti_hdmi.h
+++ b/drivers/video/omap2/dss/ti_hdmi.h
@@ -102,6 +102,8 @@ struct ti_hdmi_ip_ops {
int (*audio_config)(struct hdmi_ip_data *ip_data,
struct omap_dss_audio *audio);
+
+ int (*audio_get_dma_port)(u32 *offset, u32 *size);
#endif
};
@@ -183,5 +185,6 @@ int ti_hdmi_4xxx_audio_start(struct hdmi_ip_data *ip_data);
void ti_hdmi_4xxx_audio_stop(struct hdmi_ip_data *ip_data);
int ti_hdmi_4xxx_audio_config(struct hdmi_ip_data *ip_data,
struct omap_dss_audio *audio);
+int ti_hdmi_4xxx_audio_get_dma_port(u32 *offset, u32 *size);
#endif
#endif
diff --git a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c
index a6efff2..e18b222 100644
--- a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c
+++ b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c
@@ -1418,4 +1418,13 @@ void ti_hdmi_4xxx_audio_stop(struct hdmi_ip_data *ip_data)
REG_FLD_MOD(hdmi_wp_base(ip_data),
HDMI_WP_AUDIO_CTRL, false, 30, 30);
}
+
+int ti_hdmi_4xxx_audio_get_dma_port(u32 *offset, u32 *size)
+{
+ if (!offset || !size)
+ return -EINVAL;
+ *offset = HDMI_WP_AUDIO_DATA;
+ *size = 4;
+ return 0;
+}
#endif
--
1.7.5.4
--
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