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