Hi Tomi, Can you please comment on the below patch series? Thanks and regards, Mythri. > -----Original Message----- > From: K, Mythri P > Sent: Monday, August 23, 2010 2:48 PM > To: linux-omap@xxxxxxxxxxxxxxx > Cc: tomi.valkeinen@xxxxxxxxx; K, Mythri P > Subject: [PATCH 0/2]OMAP:DSS:RFC for HDMI in OMAP4 > > From: Mythri P K <mythripk@xxxxxx> > > This patch is a outline of how the HDMI support is added to OMAP4. > > HDMI is a driver that is similar to the VENC or the DSI driver to > support > HDMI/DVI sink device. > > The current Design adheres to the DSS2 Architecture. > > It is split into the HDMI DSS driver and HDMI panel Driver. > > HDMI DSS driver Located in drivers/video/omap2/dss/hdmi.c > is responsible for OMAP related configuration such as listening to > the > DSS_HDMI irq which signals changes such as Hot-plug detect , > Physical attach/detach. > > This driver is responsible to calculate the PLL values based on the > TV resolution that is selected. > Yet another functionality is to call necessary configuration for the > Mux/GPIO settings. > > HDMI Panel Driver is located in > drivers/video/omap2/displays/hdmi_omap4_panel.c. > This is a panel driver which acts as the HDMI source and is > responsible for all the configuration of the HDMI, based on the > parameters read from the EDID of the sink device. > It registers hdmi driver to the omap_dss bus and calls the > functionality > of the HDMI DSS driver. > This driver is responsible for configuration of the HDMI IP, which > are: > 1. Configuration of the PHY registers. > 2. Configuration of the PLL registers and setting of the TMDS > clock. > 3. Configuration of the DDC to read the EDID data when > available. > 4. Configuration of the core reigsters to set: > a. set the video registers to the timing and format that > is selected. > b. set the audio reigsters based on the EDID value read > and > user selected parameters. > c. Set the AVI info frame reigsters to configure the > auxilary > info frame which are repeated. > It is also provides the interface for users > 1.To read the EDID contents and also confiure the timings > based on EDID. > 2.To configure AVI Inforframe Based on the the EDID(sink > capability). > > > Mythri P K (2): > OMAP:DSS:Patch to add support for HDMI as panel driver > OMAP:DSS:Patch to add HDMI DSS driver support > > drivers/video/omap2/displays/hdmi_omap4_panel.c | 1443 > +++++++++++++++++++++++ > drivers/video/omap2/displays/hdmi_omap4_panel.h | 672 +++++++++++ > drivers/video/omap2/dss/hdmi.c | 292 +++++ > 3 files changed, 2407 insertions(+), 0 deletions(-) > create mode 100644 drivers/video/omap2/displays/hdmi_omap4_panel.c > create mode 100644 drivers/video/omap2/displays/hdmi_omap4_panel.h > create mode 100644 drivers/video/omap2/dss/hdmi.c -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
