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Commit d7b6f443 authored by Ricardo Neri's avatar Ricardo Neri Committed by Tomi Valkeinen
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OMAPDSS: HDMI: Add op to get audio DMA port address offset 



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: default avatarRicardo Neri <ricardo.neri@ti.com>
Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
parent d18bc455

drivers/video/omap2/dss/dss_features.c

+1 −0
Original line number Diff line number Diff line
@@ -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



};

drivers/video/omap2/dss/ti_hdmi.h

+3 −0
Original line number Diff line number Diff line
@@ -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

drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c

+9 −0
Original line number Diff line number Diff line
@@ -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