mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-17 16:53:06 +00:00
185f812c41
Sphinx expects Return: and not @return to indicate a return value.
find . -name '*.c' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
find . -name '*.h' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* (C) Copyright 2010
|
|
* NVIDIA Corporation <www.nvidia.com>
|
|
*/
|
|
|
|
#ifndef __ASM_ARCH_TEGRA_DISPLAY_H
|
|
#define __ASM_ARCH_TEGRA_DISPLAY_H
|
|
|
|
/**
|
|
* Register a new display based on device tree configuration.
|
|
*
|
|
* The frame buffer can be positioned by U-Boot or overridden by the fdt.
|
|
* You should pass in the U-Boot address here, and check the contents of
|
|
* struct fdt_disp_config to see what was actually chosen.
|
|
*
|
|
* @param blob Device tree blob
|
|
* @param default_lcd_base Default address of LCD frame buffer
|
|
* Return: 0 if ok, -1 on error (unsupported bits per pixel)
|
|
*/
|
|
int tegra_display_probe(const void *blob, void *default_lcd_base);
|
|
|
|
/**
|
|
* Return the current display configuration
|
|
*
|
|
* Return: pointer to display configuration, or NULL if there is no valid
|
|
* config
|
|
*/
|
|
struct fdt_disp_config *tegra_display_get_config(void);
|
|
|
|
/**
|
|
* Perform the next stage of the LCD init if it is time to do so.
|
|
*
|
|
* LCD init can be time-consuming because of the number of delays we need
|
|
* while waiting for the backlight power supply, etc. This function can
|
|
* be called at various times during U-Boot operation to advance the
|
|
* initialization of the LCD to the next stage if sufficient time has
|
|
* passed since the last stage. It keeps track of what stage it is up to
|
|
* and the time that it is permitted to move to the next stage.
|
|
*
|
|
* The final call should have wait=1 to complete the init.
|
|
*
|
|
* @param blob fdt blob containing LCD information
|
|
* @param wait 1 to wait until all init is complete, and then return
|
|
* 0 to return immediately, potentially doing nothing if it is
|
|
* not yet time for the next init.
|
|
*/
|
|
int tegra_lcd_check_next_stage(const void *blob, int wait);
|
|
|
|
/**
|
|
* Set up the maximum LCD size so we can size the frame buffer.
|
|
*
|
|
* @param blob fdt blob containing LCD information
|
|
*/
|
|
void tegra_lcd_early_init(const void *blob);
|
|
|
|
#endif /*__ASM_ARCH_TEGRA_DISPLAY_H*/
|