[PATCH 13/17] video: rockchip: Add rk3328 vop support

[Jagan Teki]

From: Jagan Teki <jagan at edgeble.ai>

Add support for Rockchip RK3328 VOP.

Signed-off-by: Jagan Teki <jagan at edgeble.ai>
---
 drivers/video/rockchip/Makefile     |  1 +
 drivers/video/rockchip/rk3328_vop.c | 66 +++++++++++++++++++++++++++++
 2 files changed, 67 insertions(+)
 create mode 100644 drivers/video/rockchip/rk3328_vop.c

diff --git a/drivers/video/rockchip/Makefile b/drivers/video/rockchip/Makefile
index 4991303c73..f55beceebf 100644
--- a/drivers/video/rockchip/Makefile
+++ b/drivers/video/rockchip/Makefile
@@ -6,6 +6,7 @@
 ifdef CONFIG_VIDEO_ROCKCHIP
 obj-y += rk_vop.o
 obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288_vop.o
+obj-$(CONFIG_ROCKCHIP_RK3328) += rk3328_vop.o
 obj-$(CONFIG_ROCKCHIP_RK3399) += rk3399_vop.o
 obj-$(CONFIG_DISPLAY_ROCKCHIP_EDP) += rk_edp.o
 obj-$(CONFIG_DISPLAY_ROCKCHIP_LVDS) += rk_lvds.o
diff --git a/drivers/video/rockchip/rk3328_vop.c b/drivers/video/rockchip/rk3328_vop.c
new file mode 100644
index 0000000000..2512314e64
--- /dev/null
+++ b/drivers/video/rockchip/rk3328_vop.c
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2023 Edgeble AI Technologies Pvt. Ltd.
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <video.h>
+#include <asm/io.h>
+#include "rk_vop.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static void rk3328_set_pin_polarity(struct udevice *dev,
+				    enum vop_modes mode, u32 polarity)
+{
+	struct rk_vop_priv *priv = dev_get_priv(dev);
+	struct rk3288_vop *regs = priv->regs;
+
+	switch (mode) {
+	case VOP_MODE_HDMI:
+		clrsetbits_le32(&regs->dsp_ctrl1,
+				M_RK3399_DSP_HDMI_POL,
+				V_RK3399_DSP_HDMI_POL(polarity));
+		break;
+	default:
+		debug("%s: unsupported output mode %x\n", __func__, mode);
+	}
+}
+
+static int rk3328_vop_probe(struct udevice *dev)
+{
+	/* Before relocation we don't need to do anything */
+	if (!(gd->flags & GD_FLG_RELOC))
+		return 0;
+
+	return rk_vop_probe(dev);
+}
+
+struct rkvop_driverdata rk3328_driverdata = {
+	.dsp_offset = 0x490,
+	.win_offset = 0xd0,
+	.features = VOP_FEATURE_OUTPUT_10BIT,
+	.set_pin_polarity = rk3328_set_pin_polarity,
+};
+
+static const struct udevice_id rk3328_vop_ids[] = {
+	{
+		.compatible = "rockchip,rk3328-vop",
+		.data = (ulong)&rk3328_driverdata
+	},
+	{ /* sentile */ }
+};
+
+static const struct video_ops rk3328_vop_ops = {
+};
+
+U_BOOT_DRIVER(rk3328_vop) = {
+	.name	= "rk3328_vop",
+	.id	= UCLASS_VIDEO,
+	.of_match = rk3328_vop_ids,
+	.ops	= &rk3328_vop_ops,
+	.bind	= rk_vop_bind,
+	.probe	= rk3328_vop_probe,
+	.priv_auto	= sizeof(struct rk_vop_priv),
+};
-- 
2.25.1