logo.c 2.7 KB

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  1. /*
  2. * Linux logo to be displayed on boot
  3. *
  4. * Copyright (C) 1996 Larry Ewing (lewing@isc.tamu.edu)
  5. * Copyright (C) 1996,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
  6. * Copyright (C) 2001 Greg Banks <gnb@alphalink.com.au>
  7. * Copyright (C) 2001 Jan-Benedict Glaw <jbglaw@lug-owl.de>
  8. * Copyright (C) 2003 Geert Uytterhoeven <geert@linux-m68k.org>
  9. */
  10. #include <linux/config.h>
  11. #include <linux/linux_logo.h>
  12. #include <linux/stddef.h>
  13. #include <linux/module.h>
  14. #ifdef CONFIG_M68K
  15. #include <asm/setup.h>
  16. #endif
  17. #ifdef CONFIG_MIPS
  18. #include <asm/bootinfo.h>
  19. #endif
  20. extern const struct linux_logo logo_linux_mono;
  21. extern const struct linux_logo logo_linux_vga16;
  22. extern const struct linux_logo logo_linux_clut224;
  23. extern const struct linux_logo logo_dec_clut224;
  24. extern const struct linux_logo logo_mac_clut224;
  25. extern const struct linux_logo logo_parisc_clut224;
  26. extern const struct linux_logo logo_sgi_clut224;
  27. extern const struct linux_logo logo_sun_clut224;
  28. extern const struct linux_logo logo_superh_mono;
  29. extern const struct linux_logo logo_superh_vga16;
  30. extern const struct linux_logo logo_superh_clut224;
  31. extern const struct linux_logo logo_m32r_clut224;
  32. const struct linux_logo *fb_find_logo(int depth)
  33. {
  34. const struct linux_logo *logo = NULL;
  35. if (depth >= 1) {
  36. #ifdef CONFIG_LOGO_LINUX_MONO
  37. /* Generic Linux logo */
  38. logo = &logo_linux_mono;
  39. #endif
  40. #ifdef CONFIG_LOGO_SUPERH_MONO
  41. /* SuperH Linux logo */
  42. logo = &logo_superh_mono;
  43. #endif
  44. }
  45. if (depth >= 4) {
  46. #ifdef CONFIG_LOGO_LINUX_VGA16
  47. /* Generic Linux logo */
  48. logo = &logo_linux_vga16;
  49. #endif
  50. #ifdef CONFIG_LOGO_SUPERH_VGA16
  51. /* SuperH Linux logo */
  52. logo = &logo_superh_vga16;
  53. #endif
  54. }
  55. if (depth >= 8) {
  56. #ifdef CONFIG_LOGO_LINUX_CLUT224
  57. /* Generic Linux logo */
  58. logo = &logo_linux_clut224;
  59. #endif
  60. #ifdef CONFIG_LOGO_DEC_CLUT224
  61. /* DEC Linux logo on MIPS/MIPS64 or ALPHA */
  62. #ifndef CONFIG_ALPHA
  63. if (mips_machgroup == MACH_GROUP_DEC)
  64. #endif
  65. logo = &logo_dec_clut224;
  66. #endif
  67. #ifdef CONFIG_LOGO_MAC_CLUT224
  68. /* Macintosh Linux logo on m68k */
  69. if (MACH_IS_MAC)
  70. logo = &logo_mac_clut224;
  71. #endif
  72. #ifdef CONFIG_LOGO_PARISC_CLUT224
  73. /* PA-RISC Linux logo */
  74. logo = &logo_parisc_clut224;
  75. #endif
  76. #ifdef CONFIG_LOGO_SGI_CLUT224
  77. /* SGI Linux logo on MIPS/MIPS64 and VISWS */
  78. #ifndef CONFIG_X86_VISWS
  79. if (mips_machgroup == MACH_GROUP_SGI)
  80. #endif
  81. logo = &logo_sgi_clut224;
  82. #endif
  83. #ifdef CONFIG_LOGO_SUN_CLUT224
  84. /* Sun Linux logo */
  85. logo = &logo_sun_clut224;
  86. #endif
  87. #ifdef CONFIG_LOGO_SUPERH_CLUT224
  88. /* SuperH Linux logo */
  89. logo = &logo_superh_clut224;
  90. #endif
  91. #ifdef CONFIG_LOGO_M32R_CLUT224
  92. /* M32R Linux logo */
  93. logo = &logo_m32r_clut224;
  94. #endif
  95. }
  96. return logo;
  97. }
  98. EXPORT_SYMBOL_GPL(fb_find_logo);