OpenCloudOS-Kernel/drivers/video/logo/logo.c

109 lines
2.7 KiB
C

/*
* Linux logo to be displayed on boot
*
* Copyright (C) 1996 Larry Ewing (lewing@isc.tamu.edu)
* Copyright (C) 1996,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
* Copyright (C) 2001 Greg Banks <gnb@alphalink.com.au>
* Copyright (C) 2001 Jan-Benedict Glaw <jbglaw@lug-owl.de>
* Copyright (C) 2003 Geert Uytterhoeven <geert@linux-m68k.org>
*/
#include <linux/config.h>
#include <linux/linux_logo.h>
#include <linux/stddef.h>
#include <linux/module.h>
#ifdef CONFIG_M68K
#include <asm/setup.h>
#endif
#ifdef CONFIG_MIPS
#include <asm/bootinfo.h>
#endif
extern const struct linux_logo logo_linux_mono;
extern const struct linux_logo logo_linux_vga16;
extern const struct linux_logo logo_linux_clut224;
extern const struct linux_logo logo_dec_clut224;
extern const struct linux_logo logo_mac_clut224;
extern const struct linux_logo logo_parisc_clut224;
extern const struct linux_logo logo_sgi_clut224;
extern const struct linux_logo logo_sun_clut224;
extern const struct linux_logo logo_superh_mono;
extern const struct linux_logo logo_superh_vga16;
extern const struct linux_logo logo_superh_clut224;
extern const struct linux_logo logo_m32r_clut224;
const struct linux_logo *fb_find_logo(int depth)
{
const struct linux_logo *logo = NULL;
if (depth >= 1) {
#ifdef CONFIG_LOGO_LINUX_MONO
/* Generic Linux logo */
logo = &logo_linux_mono;
#endif
#ifdef CONFIG_LOGO_SUPERH_MONO
/* SuperH Linux logo */
logo = &logo_superh_mono;
#endif
}
if (depth >= 4) {
#ifdef CONFIG_LOGO_LINUX_VGA16
/* Generic Linux logo */
logo = &logo_linux_vga16;
#endif
#ifdef CONFIG_LOGO_SUPERH_VGA16
/* SuperH Linux logo */
logo = &logo_superh_vga16;
#endif
}
if (depth >= 8) {
#ifdef CONFIG_LOGO_LINUX_CLUT224
/* Generic Linux logo */
logo = &logo_linux_clut224;
#endif
#ifdef CONFIG_LOGO_DEC_CLUT224
/* DEC Linux logo on MIPS/MIPS64 or ALPHA */
#ifndef CONFIG_ALPHA
if (mips_machgroup == MACH_GROUP_DEC)
#endif
logo = &logo_dec_clut224;
#endif
#ifdef CONFIG_LOGO_MAC_CLUT224
/* Macintosh Linux logo on m68k */
if (MACH_IS_MAC)
logo = &logo_mac_clut224;
#endif
#ifdef CONFIG_LOGO_PARISC_CLUT224
/* PA-RISC Linux logo */
logo = &logo_parisc_clut224;
#endif
#ifdef CONFIG_LOGO_SGI_CLUT224
/* SGI Linux logo on MIPS/MIPS64 and VISWS */
#ifndef CONFIG_X86_VISWS
if (mips_machgroup == MACH_GROUP_SGI)
#endif
logo = &logo_sgi_clut224;
#endif
#ifdef CONFIG_LOGO_SUN_CLUT224
/* Sun Linux logo */
logo = &logo_sun_clut224;
#endif
#ifdef CONFIG_LOGO_SUPERH_CLUT224
/* SuperH Linux logo */
logo = &logo_superh_clut224;
#endif
#ifdef CONFIG_LOGO_M32R_CLUT224
/* M32R Linux logo */
logo = &logo_m32r_clut224;
#endif
}
return logo;
}
EXPORT_SYMBOL_GPL(fb_find_logo);