Adding upstream version 6.1.76.upstream/6.1.76upstream

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

1 files changed, 152 insertions, 0 deletions

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
new file mode 100644
index 000000000..5cfa2bb7a
--- /dev/null
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
@@ -0,0 +1,152 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * R-Car Display Unit DRM driver
+ *
+ * Copyright (C) 2013-2015 Renesas Electronics Corporation
+ *
+ * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ */
+
+#ifndef __RCAR_DU_DRV_H__
+#define __RCAR_DU_DRV_H__
+
+#include <linux/kernel.h>
+#include <linux/wait.h>
+
+#include <drm/drm_device.h>
+
+#include "rcar_cmm.h"
+#include "rcar_du_crtc.h"
+#include "rcar_du_group.h"
+#include "rcar_du_vsp.h"
+
+struct clk;
+struct device;
+struct drm_bridge;
+struct drm_property;
+struct rcar_du_device;
+
+#define RCAR_DU_FEATURE_CRTC_IRQ	BIT(0)	/* Per-CRTC IRQ */
+#define RCAR_DU_FEATURE_CRTC_CLOCK	BIT(1)	/* Per-CRTC clock */
+#define RCAR_DU_FEATURE_VSP1_SOURCE	BIT(2)	/* Has inputs from VSP1 */
+#define RCAR_DU_FEATURE_INTERLACED	BIT(3)	/* HW supports interlaced */
+#define RCAR_DU_FEATURE_TVM_SYNC	BIT(4)	/* Has TV switch/sync modes */
+#define RCAR_DU_FEATURE_NO_BLENDING	BIT(5)	/* PnMR.SPIM does not have ALP nor EOR bits */
+
+#define RCAR_DU_QUIRK_ALIGN_128B	BIT(0)	/* Align pitches to 128 bytes */
+
+enum rcar_du_output {
+	RCAR_DU_OUTPUT_DPAD0,
+	RCAR_DU_OUTPUT_DPAD1,
+	RCAR_DU_OUTPUT_DSI0,
+	RCAR_DU_OUTPUT_DSI1,
+	RCAR_DU_OUTPUT_HDMI0,
+	RCAR_DU_OUTPUT_HDMI1,
+	RCAR_DU_OUTPUT_LVDS0,
+	RCAR_DU_OUTPUT_LVDS1,
+	RCAR_DU_OUTPUT_TCON,
+	RCAR_DU_OUTPUT_MAX,
+};
+
+/*
+ * struct rcar_du_output_routing - Output routing specification
+ * @possible_crtcs: bitmask of possible CRTCs for the output
+ * @port: device tree port number corresponding to this output route
+ *
+ * The DU has 5 possible outputs (DPAD0/1, LVDS0/1, TCON). Output routing data
+ * specify the valid SoC outputs, which CRTCs can drive the output, and the type
+ * of in-SoC encoder for the output.
+ */
+struct rcar_du_output_routing {
+	unsigned int possible_crtcs;
+	unsigned int port;
+};
+
+/*
+ * struct rcar_du_device_info - DU model-specific information
+ * @gen: device generation (2 or 3)
+ * @features: device features (RCAR_DU_FEATURE_*)
+ * @quirks: device quirks (RCAR_DU_QUIRK_*)
+ * @channels_mask: bit mask of available DU channels
+ * @routes: array of CRTC to output routes, indexed by output (RCAR_DU_OUTPUT_*)
+ * @num_lvds: number of internal LVDS encoders
+ * @num_rpf: number of RPFs in VSP
+ * @dpll_mask: bit mask of DU channels equipped with a DPLL
+ * @dsi_clk_mask: bitmask of channels that can use the DSI clock as dot clock
+ * @lvds_clk_mask: bitmask of channels that can use the LVDS clock as dot clock
+ */
+struct rcar_du_device_info {
+	unsigned int gen;
+	unsigned int features;
+	unsigned int quirks;
+	unsigned int channels_mask;
+	struct rcar_du_output_routing routes[RCAR_DU_OUTPUT_MAX];
+	unsigned int num_lvds;
+	unsigned int num_rpf;
+	unsigned int dpll_mask;
+	unsigned int dsi_clk_mask;
+	unsigned int lvds_clk_mask;
+};
+
+#define RCAR_DU_MAX_CRTCS		4
+#define RCAR_DU_MAX_GROUPS		DIV_ROUND_UP(RCAR_DU_MAX_CRTCS, 2)
+#define RCAR_DU_MAX_VSPS		4
+#define RCAR_DU_MAX_LVDS		2
+#define RCAR_DU_MAX_DSI			2
+
+struct rcar_du_device {
+	struct device *dev;
+	const struct rcar_du_device_info *info;
+
+	void __iomem *mmio;
+
+	struct drm_device ddev;
+
+	struct rcar_du_crtc crtcs[RCAR_DU_MAX_CRTCS];
+	unsigned int num_crtcs;
+
+	struct rcar_du_group groups[RCAR_DU_MAX_GROUPS];
+	struct platform_device *cmms[RCAR_DU_MAX_CRTCS];
+	struct rcar_du_vsp vsps[RCAR_DU_MAX_VSPS];
+	struct drm_bridge *lvds[RCAR_DU_MAX_LVDS];
+	struct drm_bridge *dsi[RCAR_DU_MAX_DSI];
+
+	struct {
+		struct drm_property *colorkey;
+	} props;
+
+	unsigned int dpad0_source;
+	unsigned int dpad1_source;
+	unsigned int vspd1_sink;
+};
+
+static inline struct rcar_du_device *to_rcar_du_device(struct drm_device *dev)
+{
+	return container_of(dev, struct rcar_du_device, ddev);
+}
+
+static inline bool rcar_du_has(struct rcar_du_device *rcdu,
+			       unsigned int feature)
+{
+	return rcdu->info->features & feature;
+}
+
+static inline bool rcar_du_needs(struct rcar_du_device *rcdu,
+				 unsigned int quirk)
+{
+	return rcdu->info->quirks & quirk;
+}
+
+static inline u32 rcar_du_read(struct rcar_du_device *rcdu, u32 reg)
+{
+	return ioread32(rcdu->mmio + reg);
+}
+
+static inline void rcar_du_write(struct rcar_du_device *rcdu, u32 reg, u32 data)
+{
+	iowrite32(data, rcdu->mmio + reg);
+}
+
+const char *rcar_du_output_name(enum rcar_du_output output);
+
+#endif /* __RCAR_DU_DRV_H__ */