[v4,04/15] OMAPDSS: hdmi_wp: Add function for getting audio dma address

Commit Message

Jyri Sarha Aug. 25, 2014, 7:04 p.m. UTC

The audio dma port is found in the hdmi_wp physical address space.

Signed-off-by: Jyri Sarha <[e-mail]>
---
 drivers/video/fbdev/omap2/dss/hdmi.h    |    2 ++
 drivers/video/fbdev/omap2/dss/hdmi_wp.c |    6 ++++++
 2 files changed, 8 insertions(+)

Patch

diff --git a/drivers/video/fbdev/omap2/dss/hdmi.h b/drivers/video/fbdev/omap2/dss/hdmi.h
index 03726b5..9ba7c1a 100644
--- a/drivers/video/fbdev/omap2/dss/hdmi.h
+++ b/drivers/video/fbdev/omap2/dss/hdmi.h
@@ -250,6 +250,7 @@  struct hdmi_core_audio_config {
 
 struct hdmi_wp_data {
 	void __iomem *base;
+	phys_addr_t phys_base;
 };
 
 struct hdmi_pll_data {
@@ -317,6 +318,7 @@  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 */
 int hdmi_pll_enable(struct hdmi_pll_data *pll, struct hdmi_wp_data *wp);
diff --git a/drivers/video/fbdev/omap2/dss/hdmi_wp.c b/drivers/video/fbdev/omap2/dss/hdmi_wp.c
index f1b53de..5154120 100644
--- a/drivers/video/fbdev/omap2/dss/hdmi_wp.c
+++ b/drivers/video/fbdev/omap2/dss/hdmi_wp.c
@@ -245,6 +245,7 @@  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)) {
@@ -254,3 +255,8 @@  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;
+}