drm/vc4: hdmi: Support the BCM2711 HDMI controllers

Now that the driver is ready for it, let's bring in the HDMI controllers
variants for the BCM2711.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Tested-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b540c7a9ebb7ad51da39271a8388b69c7e27e582.1599120059.git-series.maxime@cerno.tech

1 files changed, 36 insertions, 0 deletions

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h
index 59639b405b7f..63c6f8bddf1d 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.h
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.h
@@ -26,6 +26,13 @@ struct drm_display_mode;
 struct vc4_hdmi;
 struct vc4_hdmi_register;
 
+enum vc4_hdmi_phy_channel {
+	PHY_LANE_0 = 0,
+	PHY_LANE_1,
+	PHY_LANE_2,
+	PHY_LANE_CK,
+};
+
 struct vc4_hdmi_variant {
 	/* Encoder Type for that controller */
 	enum vc4_encoder_type encoder_type;
@@ -48,6 +55,13 @@ struct vc4_hdmi_variant {
 	/* Number of registers on that variant */
 	unsigned int num_registers;
 
+	/* BCM2711 Only.
+	 * The variants don't map the lane in the same order in the
+	 * PHY, so this is an array mapping the HDMI channel (index)
+	 * to the PHY lane (value).
+	 */
+	enum vc4_hdmi_phy_channel phy_lane_mapping[4];
+
 	/* Callback to get the resources (memory region, interrupts,
 	 * clocks, etc) for that variant.
 	 */
@@ -108,6 +122,20 @@ struct vc4_hdmi {
 	struct i2c_adapter *ddc;
 	void __iomem *hdmicore_regs;
 	void __iomem *hd_regs;
+
+	/* VC5 Only */
+	void __iomem *cec_regs;
+	/* VC5 Only */
+	void __iomem *csc_regs;
+	/* VC5 Only */
+	void __iomem *dvp_regs;
+	/* VC5 Only */
+	void __iomem *phy_regs;
+	/* VC5 Only */
+	void __iomem *ram_regs;
+	/* VC5 Only */
+	void __iomem *rm_regs;
+
 	int hpd_gpio;
 	bool hpd_active_low;
 
@@ -121,6 +149,8 @@ struct vc4_hdmi {
 	struct clk *audio_clock;
 	struct clk *pixel_bvb_clock;
 
+	struct reset_control *reset;
+
 	struct debugfs_regset32 hdmi_regset;
 	struct debugfs_regset32 hd_regset;
 };
@@ -145,4 +175,10 @@ void vc4_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi);
 void vc4_hdmi_phy_rng_enable(struct vc4_hdmi *vc4_hdmi);
 void vc4_hdmi_phy_rng_disable(struct vc4_hdmi *vc4_hdmi);
 
+void vc5_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi,
+		       struct drm_display_mode *mode);
+void vc5_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi);
+void vc5_hdmi_phy_rng_enable(struct vc4_hdmi *vc4_hdmi);
+void vc5_hdmi_phy_rng_disable(struct vc4_hdmi *vc4_hdmi);
+
 #endif /* _VC4_HDMI_H_ */