Adding upstream version 5.10.209.upstream/5.10.209

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 120 insertions, 0 deletions

diff --git a/drivers/gpu/drm/sti/sti_hdmi.h b/drivers/gpu/drm/sti/sti_hdmi.h
new file mode 100644
index 000000000..1f6dc90b5
--- /dev/null
+++ b/drivers/gpu/drm/sti/sti_hdmi.h
@@ -0,0 +1,120 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) STMicroelectronics SA 2014
+ * Author: Vincent Abriou <vincent.abriou@st.com> for STMicroelectronics.
+ */
+
+#ifndef _STI_HDMI_H_
+#define _STI_HDMI_H_
+
+#include <linux/hdmi.h>
+#include <linux/platform_device.h>
+
+#include <media/cec-notifier.h>
+
+#include <drm/drm_modes.h>
+#include <drm/drm_property.h>
+
+#define HDMI_STA           0x0010
+#define HDMI_STA_DLL_LCK   BIT(5)
+#define HDMI_STA_HOT_PLUG  BIT(4)
+
+struct sti_hdmi;
+
+struct hdmi_phy_ops {
+	bool (*start)(struct sti_hdmi *hdmi);
+	void (*stop)(struct sti_hdmi *hdmi);
+};
+
+struct hdmi_audio_params {
+	bool enabled;
+	unsigned int sample_width;
+	unsigned int sample_rate;
+	struct hdmi_audio_infoframe cea;
+};
+
+static const struct drm_prop_enum_list colorspace_mode_names[] = {
+	{ HDMI_COLORSPACE_RGB, "rgb" },
+	{ HDMI_COLORSPACE_YUV422, "yuv422" },
+	{ HDMI_COLORSPACE_YUV444, "yuv444" },
+};
+
+#define DEFAULT_COLORSPACE_MODE HDMI_COLORSPACE_RGB
+
+/**
+ * STI hdmi structure
+ *
+ * @dev: driver device
+ * @drm_dev: pointer to drm device
+ * @mode: current display mode selected
+ * @regs: hdmi register
+ * @syscfg: syscfg register for pll rejection configuration
+ * @clk_pix: hdmi pixel clock
+ * @clk_tmds: hdmi tmds clock
+ * @clk_phy: hdmi phy clock
+ * @clk_audio: hdmi audio clock
+ * @irq: hdmi interrupt number
+ * @irq_status: interrupt status register
+ * @phy_ops: phy start/stop operations
+ * @enabled: true if hdmi is enabled else false
+ * @hpd: hot plug detect status
+ * @wait_event: wait event
+ * @event_received: wait event status
+ * @reset: reset control of the hdmi phy
+ * @ddc_adapt: i2c ddc adapter
+ * @colorspace: current colorspace selected
+ * @hdmi_monitor: true if HDMI monitor detected else DVI monitor assumed
+ * @audio_pdev: ASoC hdmi-codec platform device
+ * @audio: hdmi audio parameters.
+ * @drm_connector: hdmi connector
+ * @notifier: hotplug detect notifier
+ */
+struct sti_hdmi {
+	struct device dev;
+	struct drm_device *drm_dev;
+	struct drm_display_mode mode;
+	void __iomem *regs;
+	void __iomem *syscfg;
+	struct clk *clk_pix;
+	struct clk *clk_tmds;
+	struct clk *clk_phy;
+	struct clk *clk_audio;
+	int irq;
+	u32 irq_status;
+	struct hdmi_phy_ops *phy_ops;
+	bool enabled;
+	bool hpd;
+	wait_queue_head_t wait_event;
+	bool event_received;
+	struct reset_control *reset;
+	struct i2c_adapter *ddc_adapt;
+	enum hdmi_colorspace colorspace;
+	bool hdmi_monitor;
+	struct platform_device *audio_pdev;
+	struct hdmi_audio_params audio;
+	struct drm_connector *drm_connector;
+	struct cec_notifier *notifier;
+};
+
+u32 hdmi_read(struct sti_hdmi *hdmi, int offset);
+void hdmi_write(struct sti_hdmi *hdmi, u32 val, int offset);
+
+/**
+ * hdmi phy config structure
+ *
+ * A pointer to an array of these structures is passed to a TMDS (HDMI) output
+ * via the control interface to provide board and SoC specific
+ * configurations of the HDMI PHY. Each entry in the array specifies a hardware
+ * specific configuration for a given TMDS clock frequency range.
+ *
+ * @min_tmds_freq: Lower bound of TMDS clock frequency this entry applies to
+ * @max_tmds_freq: Upper bound of TMDS clock frequency this entry applies to
+ * @config: SoC specific register configuration
+ */
+struct hdmi_phy_config {
+	u32 min_tmds_freq;
+	u32 max_tmds_freq;
+	u32 config[4];
+};
+
+#endif