mirror of https://gitee.com/openkylin/linux.git
132 lines
3.1 KiB
C
132 lines
3.1 KiB
C
/*
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* Copyright (C) 2013 Red Hat
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* Author: Rob Clark <robdclark@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __HDMI_CONNECTOR_H__
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#define __HDMI_CONNECTOR_H__
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#include <linux/i2c.h>
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#include <linux/clk.h>
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#include <linux/platform_device.h>
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#include <linux/regulator/consumer.h>
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#include "msm_drv.h"
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#include "hdmi.xml.h"
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struct hdmi_phy;
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struct hdmi {
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struct kref refcount;
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struct drm_device *dev;
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struct platform_device *pdev;
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void __iomem *mmio;
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struct regulator *mvs; /* HDMI_5V */
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struct regulator *mpp0; /* External 5V */
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struct clk *clk;
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struct clk *m_pclk;
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struct clk *s_pclk;
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struct hdmi_phy *phy;
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struct i2c_adapter *i2c;
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struct drm_connector *connector;
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struct drm_bridge *bridge;
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/* the encoder we are hooked to (outside of hdmi block) */
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struct drm_encoder *encoder;
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bool hdmi_mode; /* are we in hdmi mode? */
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int irq;
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};
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/* platform config data (ie. from DT, or pdata) */
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struct hdmi_platform_config {
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struct hdmi_phy *(*phy_init)(struct hdmi *hdmi);
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int ddc_clk_gpio, ddc_data_gpio, hpd_gpio, pmic_gpio;
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};
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void hdmi_set_mode(struct hdmi *hdmi, bool power_on);
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void hdmi_destroy(struct kref *kref);
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static inline void hdmi_write(struct hdmi *hdmi, u32 reg, u32 data)
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{
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msm_writel(data, hdmi->mmio + reg);
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}
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static inline u32 hdmi_read(struct hdmi *hdmi, u32 reg)
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{
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return msm_readl(hdmi->mmio + reg);
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}
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static inline struct hdmi * hdmi_reference(struct hdmi *hdmi)
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{
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kref_get(&hdmi->refcount);
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return hdmi;
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}
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static inline void hdmi_unreference(struct hdmi *hdmi)
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{
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kref_put(&hdmi->refcount, hdmi_destroy);
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}
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/*
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* The phy appears to be different, for example between 8960 and 8x60,
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* so split the phy related functions out and load the correct one at
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* runtime:
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*/
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struct hdmi_phy_funcs {
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void (*destroy)(struct hdmi_phy *phy);
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void (*reset)(struct hdmi_phy *phy);
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void (*powerup)(struct hdmi_phy *phy, unsigned long int pixclock);
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void (*powerdown)(struct hdmi_phy *phy);
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};
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struct hdmi_phy {
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const struct hdmi_phy_funcs *funcs;
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};
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struct hdmi_phy *hdmi_phy_8960_init(struct hdmi *hdmi);
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struct hdmi_phy *hdmi_phy_8x60_init(struct hdmi *hdmi);
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/*
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* hdmi bridge:
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*/
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struct drm_bridge *hdmi_bridge_init(struct hdmi *hdmi);
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/*
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* hdmi connector:
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*/
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void hdmi_connector_irq(struct drm_connector *connector);
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struct drm_connector *hdmi_connector_init(struct hdmi *hdmi);
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/*
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* i2c adapter for ddc:
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*/
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void hdmi_i2c_irq(struct i2c_adapter *i2c);
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void hdmi_i2c_destroy(struct i2c_adapter *i2c);
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struct i2c_adapter *hdmi_i2c_init(struct hdmi *hdmi);
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#endif /* __HDMI_CONNECTOR_H__ */
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