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// 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(®s->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, ®s->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,
};
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