| Message ID | b1acbd48470d41b53b359d27fa2ea9358a037324.1719903904.git.Sandor.yu@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Initial support Cadence MHDP8501(HDMI/DP) for i.MX8MQ | expand |
On Tue, Jul 02, 2024 at 08:22:34PM GMT, Sandor Yu wrote: > Allow HDMI PHYs to be configured through the generic > functions through a custom structure added to the generic union. > > The parameters added here are based on HDMI PHY > implementation practices. The current set of parameters > should cover the potential users. > > Signed-off-by: Sandor Yu <Sandor.yu@nxp.com> > --- > v15->v16: > - Remove pixel_clk_rate, bpc and color_space fields from struct > phy_configure_opts_hdmi, they were replaced by unsigned long long tmds_char_rate. > - Remove r-b and a-c tags because this patch have important change. > > v9->v15: > *No change. > > include/linux/phy/phy-hdmi.h | 20 ++++++++++++++++++++ > include/linux/phy/phy.h | 7 ++++++- > 2 files changed, 26 insertions(+), 1 deletion(-) > create mode 100644 include/linux/phy/phy-hdmi.h > > diff --git a/include/linux/phy/phy-hdmi.h b/include/linux/phy/phy-hdmi.h > new file mode 100644 > index 000000000000..dd923e19d17c > --- /dev/null > +++ b/include/linux/phy/phy-hdmi.h > @@ -0,0 +1,20 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ > +/* > + * Copyright 2022 NXP > + */ > + > +#ifndef __PHY_HDMI_H_ > +#define __PHY_HDMI_H_ > + > +#include <linux/hdmi.h> This header is not neccessary anymore. With it removed: Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Maxime, is this patch fine with you? Vinod, could you please pick up this patch for 6.13 and possibly provide an immutable tag for it? I see drm drivers using bad workarounds because we don't have this in the API yet. > +/** > + * struct phy_configure_opts_hdmi - HDMI configuration set > + * @tmds_char_rate: HDMI TMDS Character Rate in Hertz. > + * > + * This structure is used to represent the configuration state of a HDMI phy. > + */ > +struct phy_configure_opts_hdmi { > + unsigned long long tmds_char_rate; > +}; > + > +#endif /* __PHY_HDMI_H_ */ > diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h > index 03cd5bae92d3..4ac486b101fe 100644 > --- a/include/linux/phy/phy.h > +++ b/include/linux/phy/phy.h > @@ -17,6 +17,7 @@ > #include <linux/regulator/consumer.h> > > #include <linux/phy/phy-dp.h> > +#include <linux/phy/phy-hdmi.h> > #include <linux/phy/phy-lvds.h> > #include <linux/phy/phy-mipi-dphy.h> > > @@ -42,7 +43,8 @@ enum phy_mode { > PHY_MODE_MIPI_DPHY, > PHY_MODE_SATA, > PHY_MODE_LVDS, > - PHY_MODE_DP > + PHY_MODE_DP, > + PHY_MODE_HDMI, > }; > > enum phy_media { > @@ -60,11 +62,14 @@ enum phy_media { > * the DisplayPort protocol. > * @lvds: Configuration set applicable for phys supporting > * the LVDS phy mode. > + * @hdmi: Configuration set applicable for phys supporting > + * the HDMI phy mode. > */ > union phy_configure_opts { > struct phy_configure_opts_mipi_dphy mipi_dphy; > struct phy_configure_opts_dp dp; > struct phy_configure_opts_lvds lvds; > + struct phy_configure_opts_hdmi hdmi; > }; > > /** > -- > 2.34.1 >
diff --git a/include/linux/phy/phy-hdmi.h b/include/linux/phy/phy-hdmi.h new file mode 100644 index 000000000000..dd923e19d17c --- /dev/null +++ b/include/linux/phy/phy-hdmi.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2022 NXP + */ + +#ifndef __PHY_HDMI_H_ +#define __PHY_HDMI_H_ + +#include <linux/hdmi.h> +/** + * struct phy_configure_opts_hdmi - HDMI configuration set + * @tmds_char_rate: HDMI TMDS Character Rate in Hertz. + * + * This structure is used to represent the configuration state of a HDMI phy. + */ +struct phy_configure_opts_hdmi { + unsigned long long tmds_char_rate; +}; + +#endif /* __PHY_HDMI_H_ */ diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index 03cd5bae92d3..4ac486b101fe 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -17,6 +17,7 @@ #include <linux/regulator/consumer.h> #include <linux/phy/phy-dp.h> +#include <linux/phy/phy-hdmi.h> #include <linux/phy/phy-lvds.h> #include <linux/phy/phy-mipi-dphy.h> @@ -42,7 +43,8 @@ enum phy_mode { PHY_MODE_MIPI_DPHY, PHY_MODE_SATA, PHY_MODE_LVDS, - PHY_MODE_DP + PHY_MODE_DP, + PHY_MODE_HDMI, }; enum phy_media { @@ -60,11 +62,14 @@ enum phy_media { * the DisplayPort protocol. * @lvds: Configuration set applicable for phys supporting * the LVDS phy mode. + * @hdmi: Configuration set applicable for phys supporting + * the HDMI phy mode. */ union phy_configure_opts { struct phy_configure_opts_mipi_dphy mipi_dphy; struct phy_configure_opts_dp dp; struct phy_configure_opts_lvds lvds; + struct phy_configure_opts_hdmi hdmi; }; /**
Allow HDMI PHYs to be configured through the generic functions through a custom structure added to the generic union. The parameters added here are based on HDMI PHY implementation practices. The current set of parameters should cover the potential users. Signed-off-by: Sandor Yu <Sandor.yu@nxp.com> --- v15->v16: - Remove pixel_clk_rate, bpc and color_space fields from struct phy_configure_opts_hdmi, they were replaced by unsigned long long tmds_char_rate. - Remove r-b and a-c tags because this patch have important change. v9->v15: *No change. include/linux/phy/phy-hdmi.h | 20 ++++++++++++++++++++ include/linux/phy/phy.h | 7 ++++++- 2 files changed, 26 insertions(+), 1 deletion(-) create mode 100644 include/linux/phy/phy-hdmi.h