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authorYunhong Jiang <yunhong.jiang@intel.com>2015-08-04 12:17:53 -0700
committerYunhong Jiang <yunhong.jiang@intel.com>2015-08-04 15:44:42 -0700
commit9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch)
tree1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/drivers/gpu/drm/msm/hdmi/hdmi.h
parent98260f3884f4a202f9ca5eabed40b1354c489b29 (diff)
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/drivers/gpu/drm/msm/hdmi/hdmi.h')
-rw-r--r--kernel/drivers/gpu/drm/msm/hdmi/hdmi.h166
1 files changed, 166 insertions, 0 deletions
diff --git a/kernel/drivers/gpu/drm/msm/hdmi/hdmi.h b/kernel/drivers/gpu/drm/msm/hdmi/hdmi.h
new file mode 100644
index 000000000..68fdfb362
--- /dev/null
+++ b/kernel/drivers/gpu/drm/msm/hdmi/hdmi.h
@@ -0,0 +1,166 @@
+/*
+ * 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 <linux/hdmi.h>
+
+#include "msm_drv.h"
+#include "hdmi.xml.h"
+
+
+struct hdmi_phy;
+struct hdmi_platform_config;
+
+struct hdmi_audio {
+ bool enabled;
+ struct hdmi_audio_infoframe infoframe;
+ int rate;
+};
+
+struct hdmi {
+ struct drm_device *dev;
+ struct platform_device *pdev;
+
+ const struct hdmi_platform_config *config;
+
+ /* audio state: */
+ struct hdmi_audio audio;
+
+ /* video state: */
+ bool power_on;
+ unsigned long int pixclock;
+
+ void __iomem *mmio;
+
+ struct regulator **hpd_regs;
+ struct regulator **pwr_regs;
+ struct clk **hpd_clks;
+ struct clk **pwr_clks;
+
+ 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);
+ const char *mmio_name;
+
+ /* regulators that need to be on for hpd: */
+ const char **hpd_reg_names;
+ int hpd_reg_cnt;
+
+ /* regulators that need to be on for screen pwr: */
+ const char **pwr_reg_names;
+ int pwr_reg_cnt;
+
+ /* clks that need to be on for hpd: */
+ const char **hpd_clk_names;
+ const long unsigned *hpd_freq;
+ int hpd_clk_cnt;
+
+ /* clks that need to be on for screen pwr (ie pixel clk): */
+ const char **pwr_clk_names;
+ int pwr_clk_cnt;
+
+ /* gpio's: */
+ int ddc_clk_gpio, ddc_data_gpio, hpd_gpio, mux_en_gpio, mux_sel_gpio;
+ int mux_lpm_gpio;
+};
+
+void hdmi_set_mode(struct hdmi *hdmi, bool power_on);
+
+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;
+};
+
+struct hdmi_phy *hdmi_phy_8960_init(struct hdmi *hdmi);
+struct hdmi_phy *hdmi_phy_8x60_init(struct hdmi *hdmi);
+struct hdmi_phy *hdmi_phy_8x74_init(struct hdmi *hdmi);
+
+/*
+ * audio:
+ */
+
+int hdmi_audio_update(struct hdmi *hdmi);
+int hdmi_audio_info_setup(struct hdmi *hdmi, bool enabled,
+ uint32_t num_of_channels, uint32_t channel_allocation,
+ uint32_t level_shift, bool down_mix);
+void hdmi_audio_set_sample_rate(struct hdmi *hdmi, int rate);
+
+
+/*
+ * hdmi bridge:
+ */
+
+struct drm_bridge *hdmi_bridge_init(struct hdmi *hdmi);
+void hdmi_bridge_destroy(struct drm_bridge *bridge);
+
+/*
+ * 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__ */