1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/video/rockchip/rk3328_vop.c b/drivers/video/rockchip/rk3328_vop.c
new file mode 100644
index 00000000000..55233f19eeb
--- /dev/null
+++ b/drivers/video/rockchip/rk3328_vop.c
@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2023 Edgeble AI Technologies Pvt. Ltd.
+ */
+
+#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);
+}
+
+static int rk3328_vop_remove(struct udevice *dev)
+{
+	struct rk_vop_priv *priv = dev_get_priv(dev);
+	struct rk3288_vop *regs = priv->regs;
+	struct rk3288_vop *win_regs = priv->regs + priv->win_offset;
+
+	/* FIXME: Explicit disabling of WIN0 is needed to avoid iommu
+	 * page-fault in Linux, better handling of iommu-address in
+	 * Linux might drop this.
+	 */
+	clrbits_le32(&win_regs->win0_ctrl0, M_WIN0_EN);
+	writel(0x01, &regs->reg_cfg_done);
+
+	return 0;
+}
+
+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,
+	.remove = rk3328_vop_remove,
+	.priv_auto	= sizeof(struct rk_vop_priv),
+	.flags	= DM_FLAG_PRE_RELOC | DM_FLAG_OS_PREPARE,
+};