mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
caa4daa2ae
We use 'priv' for private data but often use 'platdata' for platform data. We can't really use 'pdata' since that is ambiguous (it could mean private or platform data). Rename some of the latter variables to end with 'plat' for consistency. Signed-off-by: Simon Glass <sjg@chromium.org>
84 lines
1.8 KiB
C
84 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright 2014 Google Inc.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <display.h>
|
|
#include <edid.h>
|
|
#include <errno.h>
|
|
|
|
int display_read_edid(struct udevice *dev, u8 *buf, int buf_size)
|
|
{
|
|
struct dm_display_ops *ops = display_get_ops(dev);
|
|
|
|
if (!ops || !ops->read_edid)
|
|
return -ENOSYS;
|
|
return ops->read_edid(dev, buf, buf_size);
|
|
}
|
|
|
|
int display_enable(struct udevice *dev, int panel_bpp,
|
|
const struct display_timing *timing)
|
|
{
|
|
struct dm_display_ops *ops = display_get_ops(dev);
|
|
struct display_plat *disp_uc_plat;
|
|
int ret;
|
|
|
|
if (!ops || !ops->enable)
|
|
return -ENOSYS;
|
|
ret = ops->enable(dev, panel_bpp, timing);
|
|
if (ret)
|
|
return ret;
|
|
|
|
disp_uc_plat = dev_get_uclass_plat(dev);
|
|
disp_uc_plat->in_use = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static bool display_mode_valid(void *priv, const struct display_timing *timing)
|
|
{
|
|
struct udevice *dev = priv;
|
|
struct dm_display_ops *ops = display_get_ops(dev);
|
|
|
|
if (ops && ops->mode_valid)
|
|
return ops->mode_valid(dev, timing);
|
|
|
|
return true;
|
|
}
|
|
|
|
int display_read_timing(struct udevice *dev, struct display_timing *timing)
|
|
{
|
|
struct dm_display_ops *ops = display_get_ops(dev);
|
|
int panel_bits_per_colour;
|
|
u8 buf[EDID_EXT_SIZE];
|
|
int ret;
|
|
|
|
if (ops && ops->read_timing)
|
|
return ops->read_timing(dev, timing);
|
|
|
|
if (!ops || !ops->read_edid)
|
|
return -ENOSYS;
|
|
ret = ops->read_edid(dev, buf, sizeof(buf));
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return edid_get_timing_validate(buf, ret, timing,
|
|
&panel_bits_per_colour,
|
|
display_mode_valid, dev);
|
|
}
|
|
|
|
bool display_in_use(struct udevice *dev)
|
|
{
|
|
struct display_plat *disp_uc_plat = dev_get_uclass_plat(dev);
|
|
|
|
return disp_uc_plat->in_use;
|
|
}
|
|
|
|
UCLASS_DRIVER(display) = {
|
|
.id = UCLASS_DISPLAY,
|
|
.name = "display",
|
|
.per_device_plat_auto = sizeof(struct display_plat),
|
|
};
|