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path: root/drivers/gpu/drm/msm/hdmi/hdmi.h
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Diffstat (limited to 'drivers/gpu/drm/msm/hdmi/hdmi.h')
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi.h131
1 files changed, 131 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.h b/drivers/gpu/drm/msm/hdmi/hdmi.h
new file mode 100644
index 000000000000..2c2ec566394c
--- /dev/null
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.h
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2013 Red Hat
+ * Author: Rob Clark <robdclark@gmail.com>
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __HDMI_CONNECTOR_H__
+#define __HDMI_CONNECTOR_H__
+
+#include <linux/i2c.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+
+#include "msm_drv.h"
+#include "hdmi.xml.h"
+
+
+struct hdmi_phy;
+
+struct hdmi {
+ struct kref refcount;
+
+ 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;
+ struct drm_bridge *bridge;
+
+ /* the encoder we are hooked to (outside of hdmi block) */
+ struct drm_encoder *encoder;
+
+ 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 kref *kref);
+
+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);
+}
+
+static inline struct hdmi * hdmi_reference(struct hdmi *hdmi)
+{
+ kref_get(&hdmi->refcount);
+ return hdmi;
+}
+
+static inline void hdmi_unreference(struct hdmi *hdmi)
+{
+ kref_put(&hdmi->refcount, hdmi_destroy);
+}
+
+/*
+ * 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;
+};
+
+struct hdmi_phy *hdmi_phy_8960_init(struct hdmi *hdmi);
+struct hdmi_phy *hdmi_phy_8x60_init(struct hdmi *hdmi);
+
+/*
+ * hdmi bridge:
+ */
+
+struct drm_bridge *hdmi_bridge_init(struct hdmi *hdmi);
+
+/*
+ * hdmi connector:
+ */
+
+void hdmi_connector_irq(struct drm_connector *connector);
+struct drm_connector *hdmi_connector_init(struct hdmi *hdmi);
+
+/*
+ * 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__ */