X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-linux.git;a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Fmsm%2Fhdmi%2Fhdmi.h;fp=drivers%2Fgpu%2Fdrm%2Fmsm%2Fhdmi%2Fhdmi.h;h=34703fea22caa5f6e8f00adfc59c9f7bab384ae9;hp=0000000000000000000000000000000000000000;hb=c8afe684c95cd17cf4f273d81af369a0fdfa5a74;hpb=0cf6c71d70d8aa39b8fd0e39c9009602a0e0d300 diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.h b/drivers/gpu/drm/msm/hdmi/hdmi.h new file mode 100644 index 000000000000..34703fea22ca --- /dev/null +++ b/drivers/gpu/drm/msm/hdmi/hdmi.h @@ -0,0 +1,112 @@ +/* + * Copyright (C) 2013 Red Hat + * Author: Rob Clark + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see . + */ + +#ifndef __HDMI_CONNECTOR_H__ +#define __HDMI_CONNECTOR_H__ + +#include +#include +#include +#include + +#include "msm_drv.h" +#include "hdmi.xml.h" + + +struct hdmi_phy; + +struct hdmi { + struct drm_device *dev; + struct platform_device *pdev; + + void __iomem *mmio; + + struct regulator *mvs; /* HDMI_5V */ + struct regulator *mpp0; /* External 5V */ + + struct clk *clk; + struct clk *m_pclk; + struct clk *s_pclk; + + struct hdmi_phy *phy; + struct i2c_adapter *i2c; + struct drm_connector *connector; + + bool hdmi_mode; /* are we in hdmi mode? */ + + int irq; +}; + +/* platform config data (ie. from DT, or pdata) */ +struct hdmi_platform_config { + struct hdmi_phy *(*phy_init)(struct hdmi *hdmi); + int ddc_clk_gpio, ddc_data_gpio, hpd_gpio, pmic_gpio; +}; + +void hdmi_set_mode(struct hdmi *hdmi, bool power_on); +void hdmi_destroy(struct hdmi *hdmi); +int hdmi_init(struct hdmi *hdmi, struct drm_device *dev, + struct drm_connector *connector); + +static inline void hdmi_write(struct hdmi *hdmi, u32 reg, u32 data) +{ + msm_writel(data, hdmi->mmio + reg); +} + +static inline u32 hdmi_read(struct hdmi *hdmi, u32 reg) +{ + return msm_readl(hdmi->mmio + reg); +} + +/* + * The phy appears to be different, for example between 8960 and 8x60, + * so split the phy related functions out and load the correct one at + * runtime: + */ + +struct hdmi_phy_funcs { + void (*destroy)(struct hdmi_phy *phy); + void (*reset)(struct hdmi_phy *phy); + void (*powerup)(struct hdmi_phy *phy, unsigned long int pixclock); + void (*powerdown)(struct hdmi_phy *phy); +}; + +struct hdmi_phy { + const struct hdmi_phy_funcs *funcs; +}; + +/* + * phy can be different on different generations: + */ +struct hdmi_phy *hdmi_phy_8960_init(struct hdmi *hdmi); +struct hdmi_phy *hdmi_phy_8x60_init(struct hdmi *hdmi); + +/* + * hdmi connector: + */ + +void hdmi_connector_irq(struct drm_connector *connector); + +/* + * i2c adapter for ddc: + */ + +void hdmi_i2c_irq(struct i2c_adapter *i2c); +void hdmi_i2c_destroy(struct i2c_adapter *i2c); +struct i2c_adapter *hdmi_i2c_init(struct hdmi *hdmi); + +#endif /* __HDMI_CONNECTOR_H__ */