arch/x86/include/asm/sysfb.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 #ifndef _ARCH_X86_KERNEL_SYSFB_H
   3 #define _ARCH_X86_KERNEL_SYSFB_H
   4
   5 /*
   6  * Generic System Framebuffers on x86
   7  * Copyright (c) 2012-2013 David Herrmann <dh.herrmann@gmail.com>
   8  */
   9
  10 #include <linux/kernel.h>
  11 #include <linux/platform_data/simplefb.h>
  12 #include <linux/screen_info.h>
  13
  14 enum {
  15         M_I17,          /* 17-Inch iMac */
  16         M_I20,          /* 20-Inch iMac */
  17         M_I20_SR,       /* 20-Inch iMac (Santa Rosa) */
  18         M_I24,          /* 24-Inch iMac */
  19         M_I24_8_1,      /* 24-Inch iMac, 8,1th gen */
  20         M_I24_10_1,     /* 24-Inch iMac, 10,1th gen */
  21         M_I27_11_1,     /* 27-Inch iMac, 11,1th gen */
  22         M_MINI,         /* Mac Mini */
  23         M_MINI_3_1,     /* Mac Mini, 3,1th gen */
  24         M_MINI_4_1,     /* Mac Mini, 4,1th gen */
  25         M_MB,           /* MacBook */
  26         M_MB_2,         /* MacBook, 2nd rev. */
  27         M_MB_3,         /* MacBook, 3rd rev. */
  28         M_MB_5_1,       /* MacBook, 5th rev. */
  29         M_MB_6_1,       /* MacBook, 6th rev. */
  30         M_MB_7_1,       /* MacBook, 7th rev. */
  31         M_MB_SR,        /* MacBook, 2nd gen, (Santa Rosa) */
  32         M_MBA,          /* MacBook Air */
  33         M_MBA_3,        /* Macbook Air, 3rd rev */
  34         M_MBP,          /* MacBook Pro */
  35         M_MBP_2,        /* MacBook Pro 2nd gen */
  36         M_MBP_2_2,      /* MacBook Pro 2,2nd gen */
  37         M_MBP_SR,       /* MacBook Pro (Santa Rosa) */
  38         M_MBP_4,        /* MacBook Pro, 4th gen */
  39         M_MBP_5_1,      /* MacBook Pro, 5,1th gen */
  40         M_MBP_5_2,      /* MacBook Pro, 5,2th gen */
  41         M_MBP_5_3,      /* MacBook Pro, 5,3rd gen */
  42         M_MBP_6_1,      /* MacBook Pro, 6,1th gen */
  43         M_MBP_6_2,      /* MacBook Pro, 6,2th gen */
  44         M_MBP_7_1,      /* MacBook Pro, 7,1th gen */
  45         M_MBP_8_2,      /* MacBook Pro, 8,2nd gen */
  46         M_UNKNOWN       /* placeholder */
  47 };
  48
  49 struct efifb_dmi_info {
  50         char *optname;
  51         unsigned long base;
  52         int stride;
  53         int width;
  54         int height;
  55         int flags;
  56 };
  57
  58 #ifdef CONFIG_EFI
  59
  60 extern struct efifb_dmi_info efifb_dmi_list[];
  61 void sysfb_apply_efi_quirks(void);
  62
  63 #else /* CONFIG_EFI */
  64
  65 static inline void sysfb_apply_efi_quirks(void)
  66 {
  67 }
  68
  69 #endif /* CONFIG_EFI */
  70
  71 #ifdef CONFIG_X86_SYSFB
  72
  73 bool parse_mode(const struct screen_info *si,
  74                 struct simplefb_platform_data *mode);
  75 int create_simplefb(const struct screen_info *si,
  76                     const struct simplefb_platform_data *mode);
  77
  78 #else /* CONFIG_X86_SYSFB */
  79
  80 static inline bool parse_mode(const struct screen_info *si,
  81                               struct simplefb_platform_data *mode)
  82 {
  83         return false;
  84 }
  85
  86 static inline int create_simplefb(const struct screen_info *si,
  87                                   const struct simplefb_platform_data *mode)
  88 {
  89         return -EINVAL;
  90 }
  91
  92 #endif /* CONFIG_X86_SYSFB */
  93
  94 #endif /* _ARCH_X86_KERNEL_SYSFB_H */