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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
* Author: Archit Taneja <archit@ti.com>
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/of.h>
#include <linux/of_graph.h>
#include <drm/drm_bridge.h>
#include "dss.h"
#include "omapdss.h"
int omapdss_device_init_output(struct omap_dss_device *out,
struct drm_bridge *local_bridge)
{
struct drm_bridge *bridge;
int ret;
bridge = of_drm_get_bridge_by_endpoint(out->dev->of_node, out->of_port, 0);
if (IS_ERR(bridge)) {
dev_dbg(out->dev, "failed to find video sink\n");
return 0;
}
out->bridge = bridge;
if (local_bridge) {
if (!out->bridge) {
ret = -EPROBE_DEFER;
goto error;
}
out->next_bridge = out->bridge;
out->bridge = drm_bridge_get(local_bridge);
}
return 0;
error:
omapdss_device_cleanup_output(out);
return ret;
}
void omapdss_device_cleanup_output(struct omap_dss_device *out)
{
drm_bridge_put(out->next_bridge);
drm_bridge_put(out->bridge);
}
void dss_mgr_set_timings(struct omap_dss_device *dssdev,
const struct videomode *vm)
{
omap_crtc_dss_set_timings(dssdev->dss->mgr_ops_priv,
dssdev->dispc_channel, vm);
}
void dss_mgr_set_lcd_config(struct omap_dss_device *dssdev,
const struct dss_lcd_mgr_config *config)
{
omap_crtc_dss_set_lcd_config(dssdev->dss->mgr_ops_priv,
dssdev->dispc_channel, config);
}
int dss_mgr_enable(struct omap_dss_device *dssdev)
{
return omap_crtc_dss_enable(dssdev->dss->mgr_ops_priv,
dssdev->dispc_channel);
}
void dss_mgr_disable(struct omap_dss_device *dssdev)
{
omap_crtc_dss_disable(dssdev->dss->mgr_ops_priv,
dssdev->dispc_channel);
}
void dss_mgr_start_update(struct omap_dss_device *dssdev)
{
omap_crtc_dss_start_update(dssdev->dss->mgr_ops_priv,
dssdev->dispc_channel);
}
int dss_mgr_register_framedone_handler(struct omap_dss_device *dssdev,
void (*handler)(void *), void *data)
{
struct dss_device *dss = dssdev->dss;
return omap_crtc_dss_register_framedone(dss->mgr_ops_priv,
dssdev->dispc_channel,
handler, data);
}
void dss_mgr_unregister_framedone_handler(struct omap_dss_device *dssdev,
void (*handler)(void *), void *data)
{
struct dss_device *dss = dssdev->dss;
omap_crtc_dss_unregister_framedone(dss->mgr_ops_priv,
dssdev->dispc_channel,
handler, data);
}
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