121 lines
2.9 KiB
C
121 lines
2.9 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 and
|
||
|
|
* only version 2 as published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "edp.h"
|
||
|
|
|
||
|
|
struct edp_bridge {
|
||
|
|
struct drm_bridge base;
|
||
|
|
struct msm_edp *edp;
|
||
|
|
};
|
||
|
|
#define to_edp_bridge(x) container_of(x, struct edp_bridge, base)
|
||
|
|
|
||
|
|
void edp_bridge_destroy(struct drm_bridge *bridge)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
static void edp_bridge_pre_enable(struct drm_bridge *bridge)
|
||
|
|
{
|
||
|
|
struct edp_bridge *edp_bridge = to_edp_bridge(bridge);
|
||
|
|
struct msm_edp *edp = edp_bridge->edp;
|
||
|
|
|
||
|
|
DBG("");
|
||
|
|
msm_edp_ctrl_power(edp->ctrl, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void edp_bridge_enable(struct drm_bridge *bridge)
|
||
|
|
{
|
||
|
|
DBG("");
|
||
|
|
}
|
||
|
|
|
||
|
|
static void edp_bridge_disable(struct drm_bridge *bridge)
|
||
|
|
{
|
||
|
|
DBG("");
|
||
|
|
}
|
||
|
|
|
||
|
|
static void edp_bridge_post_disable(struct drm_bridge *bridge)
|
||
|
|
{
|
||
|
|
struct edp_bridge *edp_bridge = to_edp_bridge(bridge);
|
||
|
|
struct msm_edp *edp = edp_bridge->edp;
|
||
|
|
|
||
|
|
DBG("");
|
||
|
|
msm_edp_ctrl_power(edp->ctrl, false);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void edp_bridge_mode_set(struct drm_bridge *bridge,
|
||
|
|
struct drm_display_mode *mode,
|
||
|
|
struct drm_display_mode *adjusted_mode)
|
||
|
|
{
|
||
|
|
struct drm_device *dev = bridge->dev;
|
||
|
|
struct drm_connector *connector;
|
||
|
|
struct edp_bridge *edp_bridge = to_edp_bridge(bridge);
|
||
|
|
struct msm_edp *edp = edp_bridge->edp;
|
||
|
|
|
||
|
|
DBG("set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x",
|
||
|
|
mode->base.id, mode->name,
|
||
|
|
mode->vrefresh, mode->clock,
|
||
|
|
mode->hdisplay, mode->hsync_start,
|
||
|
|
mode->hsync_end, mode->htotal,
|
||
|
|
mode->vdisplay, mode->vsync_start,
|
||
|
|
mode->vsync_end, mode->vtotal,
|
||
|
|
mode->type, mode->flags);
|
||
|
|
|
||
|
|
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
|
||
|
|
if ((connector->encoder != NULL) &&
|
||
|
|
(connector->encoder->bridge == bridge)) {
|
||
|
|
msm_edp_ctrl_timing_cfg(edp->ctrl,
|
||
|
|
adjusted_mode, &connector->display_info);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct drm_bridge_funcs edp_bridge_funcs = {
|
||
|
|
.pre_enable = edp_bridge_pre_enable,
|
||
|
|
.enable = edp_bridge_enable,
|
||
|
|
.disable = edp_bridge_disable,
|
||
|
|
.post_disable = edp_bridge_post_disable,
|
||
|
|
.mode_set = edp_bridge_mode_set,
|
||
|
|
};
|
||
|
|
|
||
|
|
/* initialize bridge */
|
||
|
|
struct drm_bridge *msm_edp_bridge_init(struct msm_edp *edp)
|
||
|
|
{
|
||
|
|
struct drm_bridge *bridge = NULL;
|
||
|
|
struct edp_bridge *edp_bridge;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
edp_bridge = devm_kzalloc(edp->dev->dev,
|
||
|
|
sizeof(*edp_bridge), GFP_KERNEL);
|
||
|
|
if (!edp_bridge) {
|
||
|
|
ret = -ENOMEM;
|
||
|
|
goto fail;
|
||
|
|
}
|
||
|
|
|
||
|
|
edp_bridge->edp = edp;
|
||
|
|
|
||
|
|
bridge = &edp_bridge->base;
|
||
|
|
bridge->funcs = &edp_bridge_funcs;
|
||
|
|
|
||
|
|
ret = drm_bridge_attach(edp->encoder, bridge, NULL);
|
||
|
|
if (ret)
|
||
|
|
goto fail;
|
||
|
|
|
||
|
|
return bridge;
|
||
|
|
|
||
|
|
fail:
|
||
|
|
if (bridge)
|
||
|
|
edp_bridge_destroy(bridge);
|
||
|
|
|
||
|
|
return ERR_PTR(ret);
|
||
|
|
}
|