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authorJyri Sarha <jsarha@ti.com>2014-05-23 16:13:57 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2014-11-26 10:41:08 +0200
commit58652163f6cad5180aaa1e82612c1f87cd2e22b8 (patch)
treece5984ab1d1512e52fad0696bba54c197429061c /drivers/video
parenta42808c7470a4e45f640138dad8effa272de27c1 (diff)
OMAPDSS: hdmi_wp: Add function for getting audio dma address
The audio dma port is found in the hdmi_wp physical address space. Signed-off-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/fbdev/omap2/dss/hdmi.h2
-rw-r--r--drivers/video/fbdev/omap2/dss/hdmi_wp.c6
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/video/fbdev/omap2/dss/hdmi.h b/drivers/video/fbdev/omap2/dss/hdmi.h
index aa2edd880ff3..5e0df84a736a 100644
--- a/drivers/video/fbdev/omap2/dss/hdmi.h
+++ b/drivers/video/fbdev/omap2/dss/hdmi.h
@@ -232,6 +232,7 @@ struct hdmi_core_audio_config {
struct hdmi_wp_data {
void __iomem *base;
+ phys_addr_t phys_base;
};
struct hdmi_pll_data {
@@ -301,6 +302,7 @@ void hdmi_wp_video_config_timing(struct hdmi_wp_data *wp,
void hdmi_wp_init_vid_fmt_timings(struct hdmi_video_format *video_fmt,
struct omap_video_timings *timings, struct hdmi_config *param);
int hdmi_wp_init(struct platform_device *pdev, struct hdmi_wp_data *wp);
+phys_addr_t hdmi_wp_get_audio_dma_addr(struct hdmi_wp_data *wp);
/* HDMI PLL funcs */
void hdmi_pll_dump(struct hdmi_pll_data *pll, struct seq_file *s);
diff --git a/drivers/video/fbdev/omap2/dss/hdmi_wp.c b/drivers/video/fbdev/omap2/dss/hdmi_wp.c
index 4ead96218a31..c15377e242cc 100644
--- a/drivers/video/fbdev/omap2/dss/hdmi_wp.c
+++ b/drivers/video/fbdev/omap2/dss/hdmi_wp.c
@@ -249,6 +249,7 @@ int hdmi_wp_init(struct platform_device *pdev, struct hdmi_wp_data *wp)
DSSERR("can't get WP mem resource\n");
return -EINVAL;
}
+ wp->phys_base = res->start;
wp->base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(wp->base)) {
@@ -258,3 +259,8 @@ int hdmi_wp_init(struct platform_device *pdev, struct hdmi_wp_data *wp)
return 0;
}
+
+phys_addr_t hdmi_wp_get_audio_dma_addr(struct hdmi_wp_data *wp)
+{
+ return wp->phys_base + HDMI_WP_AUDIO_DATA;
+}