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OMAPDSS: HDMI: Add op to get audio DMA port address offset

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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@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Ricardo Neri 2012-11-06 00:19:16 -06:00 committed by Tomi Valkeinen
parent d18bc45543
commit d7b6f4437f
3 changed files with 13 additions and 0 deletions
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1
drivers/video/omap2/dss/dss_features.c
View file

@ -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
};

3
drivers/video/omap2/dss/ti_hdmi.h
View file

@ -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

9
drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c
View file

@ -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