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https://github.com/AsahiLinux/u-boot
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c527e3f52d
Building the sandbox with NO_SDL=1 resulted in an undefined reference to 'sandbox_sdl_remove_display'. Resolve this by adding a stub implementation to match the stubs of the other similar functions. Signed-off-by: Andrew Scull <ascull@google.com> Cc: Simon Glass <sjg@chromium.org> Cc: Anatolij Gustschin <agust@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
139 lines
3.1 KiB
C
139 lines
3.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (c) 2013 Google, Inc
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*/
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#ifndef __SANDBOX_SDL_H
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#define __SANDBOX_SDL_H
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#include <errno.h>
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#ifdef CONFIG_SANDBOX_SDL
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/**
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* sandbox_sdl_init_display() - Set up SDL video ready for use
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*
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* @width: Window width in pixels
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* @height Window height in pixels
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* @log2_bpp: Log to base 2 of the number of bits per pixel. So a 32bpp
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* display will pass 5, since 2*5 = 32
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* @double_size: true to double the visible size in each direction for high-DPI
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* displays
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* Return: 0 if OK, -ENODEV if no device, -EIO if SDL failed to initialize
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* and -EPERM if the video failed to come up.
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*/
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int sandbox_sdl_init_display(int width, int height, int log2_bpp,
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bool double_size);
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/**
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* sandbox_sdl_remove_display() - Remove the SDL screen
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*
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* Return: 0 if OK, -ENOENT if the SDL had not been inited.
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*/
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int sandbox_sdl_remove_display(void);
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/**
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* sandbox_sdl_sync() - Sync current U-Boot LCD frame buffer to SDL
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*
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* This must be called periodically to update the screen for SDL so that the
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* user can see it.
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*
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* @lcd_base: Base of frame buffer
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* Return: 0 if screen was updated, -ENODEV is there is no screen.
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*/
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int sandbox_sdl_sync(void *lcd_base);
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/**
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* sandbox_sdl_scan_keys() - scan for pressed keys
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*
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* Works out which keys are pressed and returns a list
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*
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* @key: Array to receive keycodes
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* @max_keys: Size of array
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* Return: number of keycodes found, 0 if none, -ENODEV if no keyboard
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*/
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int sandbox_sdl_scan_keys(int key[], int max_keys);
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/**
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* sandbox_sdl_key_pressed() - check if a particular key is pressed
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*
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* @keycode: Keycode to check (KEY_... - see include/linux/input.h
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* Return: 0 if pressed, -ENOENT if not pressed. -ENODEV if keybord not
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* available,
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*/
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int sandbox_sdl_key_pressed(int keycode);
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/**
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* sandbox_sdl_sound_play() - Play a sound
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*
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* @data: Data to play (typically 16-bit)
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* @count: Number of bytes in data
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*/
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int sandbox_sdl_sound_play(const void *data, uint count);
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/**
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* sandbox_sdl_sound_stop() - stop playing a sound
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*
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* Return: 0 if OK, -ENODEV if no sound is available
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*/
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int sandbox_sdl_sound_stop(void);
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/**
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* sandbox_sdl_sound_init() - set up the sound system
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*
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* @rate: Sample rate to use
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* @channels: Number of channels to use (1=mono, 2=stereo)
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* Return: 0 if OK, -ENODEV if no sound is available
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*/
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int sandbox_sdl_sound_init(int rate, int channels);
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#else
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static inline int sandbox_sdl_init_display(int width, int height, int log2_bpp,
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bool double_size)
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{
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return -ENODEV;
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}
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static inline int sandbox_sdl_remove_display(void)
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{
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return -ENODEV;
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}
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static inline int sandbox_sdl_sync(void *lcd_base)
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{
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return -ENODEV;
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}
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static inline int sandbox_sdl_scan_keys(int key[], int max_keys)
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{
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return -ENODEV;
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}
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static inline int sandbox_sdl_key_pressed(int keycode)
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{
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return -ENODEV;
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}
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static inline int sandbox_sdl_sound_start(uint frequency)
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{
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return -ENODEV;
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}
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static inline int sandbox_sdl_sound_play(const void *data, uint count)
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{
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return -ENODEV;
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}
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static inline int sandbox_sdl_sound_stop(void)
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{
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return -ENODEV;
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}
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static inline int sandbox_sdl_sound_init(int rate, int channels)
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{
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return -ENODEV;
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}
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#endif
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#endif
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