The audio dma port is found in the hdmi_wp physical address space.
Signed-off-by: Jyri Sarha jsarha@ti.com --- drivers/video/fbdev/omap2/dss/hdmi.h | 2 ++ drivers/video/fbdev/omap2/dss/hdmi_wp.c | 6 ++++++ 2 files changed, 8 insertions(+)
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; +}