1*bbc09bf2SSimon Glass /*
2*bbc09bf2SSimon Glass * Copyright (c) 2013 Google, Inc
3*bbc09bf2SSimon Glass *
4*bbc09bf2SSimon Glass * SPDX-License-Identifier: GPL-2.0+
5*bbc09bf2SSimon Glass */
6*bbc09bf2SSimon Glass
7*bbc09bf2SSimon Glass #ifndef __SANDBOX_SDL_H
8*bbc09bf2SSimon Glass #define __SANDBOX_SDL_H
9*bbc09bf2SSimon Glass
10*bbc09bf2SSimon Glass #include <errno.h>
11*bbc09bf2SSimon Glass
12*bbc09bf2SSimon Glass #ifdef CONFIG_SANDBOX_SDL
13*bbc09bf2SSimon Glass
14*bbc09bf2SSimon Glass /**
15*bbc09bf2SSimon Glass * sandbox_sdl_init_display() - Set up SDL video ready for use
16*bbc09bf2SSimon Glass *
17*bbc09bf2SSimon Glass * @width: Window width in pixels
18*bbc09bf2SSimon Glass * @height Window height in pixels
19*bbc09bf2SSimon Glass * @log2_bpp: Log to base 2 of the number of bits per pixel. So a 32bpp
20*bbc09bf2SSimon Glass * display will pass 5, since 2*5 = 32
21*bbc09bf2SSimon Glass * @return 0 if OK, -ENODEV if no device, -EIO if SDL failed to initialize
22*bbc09bf2SSimon Glass * and -EPERM if the video failed to come up.
23*bbc09bf2SSimon Glass */
24*bbc09bf2SSimon Glass int sandbox_sdl_init_display(int width, int height, int log2_bpp);
25*bbc09bf2SSimon Glass
26*bbc09bf2SSimon Glass /**
27*bbc09bf2SSimon Glass * sandbox_sdl_sync() - Sync current U-Boot LCD frame buffer to SDL
28*bbc09bf2SSimon Glass *
29*bbc09bf2SSimon Glass * This must be called periodically to update the screen for SDL so that the
30*bbc09bf2SSimon Glass * user can see it.
31*bbc09bf2SSimon Glass *
32*bbc09bf2SSimon Glass * @lcd_base: Base of frame buffer
33*bbc09bf2SSimon Glass * @return 0 if screen was updated, -ENODEV is there is no screen.
34*bbc09bf2SSimon Glass */
35*bbc09bf2SSimon Glass int sandbox_sdl_sync(void *lcd_base);
36*bbc09bf2SSimon Glass
37*bbc09bf2SSimon Glass /**
38*bbc09bf2SSimon Glass * sandbox_sdl_scan_keys() - scan for pressed keys
39*bbc09bf2SSimon Glass *
40*bbc09bf2SSimon Glass * Works out which keys are pressed and returns a list
41*bbc09bf2SSimon Glass *
42*bbc09bf2SSimon Glass * @key: Array to receive keycodes
43*bbc09bf2SSimon Glass * @max_keys: Size of array
44*bbc09bf2SSimon Glass * @return number of keycodes found, 0 if none, -ENODEV if no keyboard
45*bbc09bf2SSimon Glass */
46*bbc09bf2SSimon Glass int sandbox_sdl_scan_keys(int key[], int max_keys);
47*bbc09bf2SSimon Glass
48*bbc09bf2SSimon Glass /**
49*bbc09bf2SSimon Glass * sandbox_sdl_key_pressed() - check if a particular key is pressed
50*bbc09bf2SSimon Glass *
51*bbc09bf2SSimon Glass * @keycode: Keycode to check (KEY_... - see include/linux/input.h
52*bbc09bf2SSimon Glass * @return 0 if pressed, -ENOENT if not pressed. -ENODEV if keybord not
53*bbc09bf2SSimon Glass * available,
54*bbc09bf2SSimon Glass */
55*bbc09bf2SSimon Glass int sandbox_sdl_key_pressed(int keycode);
56*bbc09bf2SSimon Glass
57*bbc09bf2SSimon Glass /**
58*bbc09bf2SSimon Glass * sandbox_sdl_sound_start() - start playing a sound
59*bbc09bf2SSimon Glass *
60*bbc09bf2SSimon Glass * @frequency: Frequency of sounds in Hertz
61*bbc09bf2SSimon Glass * @return 0 if OK, -ENODEV if no sound is available
62*bbc09bf2SSimon Glass */
63*bbc09bf2SSimon Glass int sandbox_sdl_sound_start(uint frequency);
64*bbc09bf2SSimon Glass
65*bbc09bf2SSimon Glass /**
66*bbc09bf2SSimon Glass * sandbox_sdl_sound_stop() - stop playing a sound
67*bbc09bf2SSimon Glass *
68*bbc09bf2SSimon Glass * @return 0 if OK, -ENODEV if no sound is available
69*bbc09bf2SSimon Glass */
70*bbc09bf2SSimon Glass int sandbox_sdl_sound_stop(void);
71*bbc09bf2SSimon Glass
72*bbc09bf2SSimon Glass /**
73*bbc09bf2SSimon Glass * sandbox_sdl_sound_init() - set up the sound system
74*bbc09bf2SSimon Glass *
75*bbc09bf2SSimon Glass * @return 0 if OK, -ENODEV if no sound is available
76*bbc09bf2SSimon Glass */
77*bbc09bf2SSimon Glass int sandbox_sdl_sound_init(void);
78*bbc09bf2SSimon Glass
79*bbc09bf2SSimon Glass #else
sandbox_sdl_init_display(int width,int height,int log2_bpp)80*bbc09bf2SSimon Glass static inline int sandbox_sdl_init_display(int width, int height,
81*bbc09bf2SSimon Glass int log2_bpp)
82*bbc09bf2SSimon Glass {
83*bbc09bf2SSimon Glass return -ENODEV;
84*bbc09bf2SSimon Glass }
85*bbc09bf2SSimon Glass
sandbox_sdl_sync(void * lcd_base)86*bbc09bf2SSimon Glass static inline int sandbox_sdl_sync(void *lcd_base)
87*bbc09bf2SSimon Glass {
88*bbc09bf2SSimon Glass return -ENODEV;
89*bbc09bf2SSimon Glass }
90*bbc09bf2SSimon Glass
sandbox_sdl_scan_keys(int key[],int max_keys)91*bbc09bf2SSimon Glass static inline int sandbox_sdl_scan_keys(int key[], int max_keys)
92*bbc09bf2SSimon Glass {
93*bbc09bf2SSimon Glass return -ENODEV;
94*bbc09bf2SSimon Glass }
95*bbc09bf2SSimon Glass
sandbox_sdl_key_pressed(int keycode)96*bbc09bf2SSimon Glass static inline int sandbox_sdl_key_pressed(int keycode)
97*bbc09bf2SSimon Glass {
98*bbc09bf2SSimon Glass return -ENODEV;
99*bbc09bf2SSimon Glass }
100*bbc09bf2SSimon Glass
sandbox_sdl_sound_start(uint frequency)101*bbc09bf2SSimon Glass static inline int sandbox_sdl_sound_start(uint frequency)
102*bbc09bf2SSimon Glass {
103*bbc09bf2SSimon Glass return -ENODEV;
104*bbc09bf2SSimon Glass }
105*bbc09bf2SSimon Glass
sandbox_sdl_sound_stop(void)106*bbc09bf2SSimon Glass static inline int sandbox_sdl_sound_stop(void)
107*bbc09bf2SSimon Glass {
108*bbc09bf2SSimon Glass return -ENODEV;
109*bbc09bf2SSimon Glass }
110*bbc09bf2SSimon Glass
sandbox_sdl_sound_init(void)111*bbc09bf2SSimon Glass static inline int sandbox_sdl_sound_init(void)
112*bbc09bf2SSimon Glass {
113*bbc09bf2SSimon Glass return -ENODEV;
114*bbc09bf2SSimon Glass }
115*bbc09bf2SSimon Glass
116*bbc09bf2SSimon Glass #endif
117*bbc09bf2SSimon Glass
118*bbc09bf2SSimon Glass #endif
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