include/linux/sysfb.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 #ifndef _LINUX_SYSFB_H
   3 #define _LINUX_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
  13 struct screen_info;
  14
  15 enum {
  16         M_I17,          /* 17-Inch iMac */
  17         M_I20,          /* 20-Inch iMac */
  18         M_I20_SR,       /* 20-Inch iMac (Santa Rosa) */
  19         M_I24,          /* 24-Inch iMac */
  20         M_I24_8_1,      /* 24-Inch iMac, 8,1th gen */
  21         M_I24_10_1,     /* 24-Inch iMac, 10,1th gen */
  22         M_I27_11_1,     /* 27-Inch iMac, 11,1th gen */
  23         M_MINI,         /* Mac Mini */
  24         M_MINI_3_1,     /* Mac Mini, 3,1th gen */
  25         M_MINI_4_1,     /* Mac Mini, 4,1th gen */
  26         M_MB,           /* MacBook */
  27         M_MB_2,         /* MacBook, 2nd rev. */
  28         M_MB_3,         /* MacBook, 3rd rev. */
  29         M_MB_5_1,       /* MacBook, 5th rev. */
  30         M_MB_6_1,       /* MacBook, 6th rev. */
  31         M_MB_7_1,       /* MacBook, 7th rev. */
  32         M_MB_SR,        /* MacBook, 2nd gen, (Santa Rosa) */
  33         M_MBA,          /* MacBook Air */
  34         M_MBA_3,        /* Macbook Air, 3rd rev */
  35         M_MBP,          /* MacBook Pro */
  36         M_MBP_2,        /* MacBook Pro 2nd gen */
  37         M_MBP_2_2,      /* MacBook Pro 2,2nd gen */
  38         M_MBP_SR,       /* MacBook Pro (Santa Rosa) */
  39         M_MBP_4,        /* MacBook Pro, 4th gen */
  40         M_MBP_5_1,      /* MacBook Pro, 5,1th gen */
  41         M_MBP_5_2,      /* MacBook Pro, 5,2th gen */
  42         M_MBP_5_3,      /* MacBook Pro, 5,3rd gen */
  43         M_MBP_6_1,      /* MacBook Pro, 6,1th gen */
  44         M_MBP_6_2,      /* MacBook Pro, 6,2th gen */
  45         M_MBP_7_1,      /* MacBook Pro, 7,1th gen */
  46         M_MBP_8_2,      /* MacBook Pro, 8,2nd gen */
  47         M_UNKNOWN       /* placeholder */
  48 };
  49
  50 struct efifb_dmi_info {
  51         char *optname;
  52         unsigned long base;
  53         int stride;
  54         int width;
  55         int height;
  56         int flags;
  57 };
  58
  59 #ifdef CONFIG_SYSFB
  60
  61 void sysfb_disable(struct device *dev);
  62
  63 bool sysfb_handles_screen_info(void);
  64
  65 #else /* CONFIG_SYSFB */
  66
  67 static inline void sysfb_disable(struct device *dev)
  68 {
  69 }
  70
  71 static inline bool sysfb_handles_screen_info(void)
  72 {
  73         return false;
  74 }
  75
  76 #endif /* CONFIG_SYSFB */
  77
  78 #ifdef CONFIG_EFI
  79
  80 extern struct efifb_dmi_info efifb_dmi_list[];
  81 void sysfb_apply_efi_quirks(void);
  82 void sysfb_set_efifb_fwnode(struct platform_device *pd);
  83
  84 #else /* CONFIG_EFI */
  85
  86 static inline void sysfb_apply_efi_quirks(void)
  87 {
  88 }
  89
  90 static inline void sysfb_set_efifb_fwnode(struct platform_device *pd)
  91 {
  92 }
  93
  94 #endif /* CONFIG_EFI */
  95
  96 #ifdef CONFIG_SYSFB_SIMPLEFB
  97
  98 bool sysfb_parse_mode(const struct screen_info *si,
  99                       struct simplefb_platform_data *mode);
 100 struct platform_device *sysfb_create_simplefb(const struct screen_info *si,
 101                                               const struct simplefb_platform_data *mode,
 102                                               struct device *parent);
 103
 104 #else /* CONFIG_SYSFB_SIMPLE */
 105
 106 static inline bool sysfb_parse_mode(const struct screen_info *si,
 107                                     struct simplefb_platform_data *mode)
 108 {
 109         return false;
 110 }
 111
 112 static inline struct platform_device *sysfb_create_simplefb(const struct screen_info *si,
 113                                                             const struct simplefb_platform_data *mode,
 114                                                             struct device *parent)
 115 {
 116         return ERR_PTR(-EINVAL);
 117 }
 118
 119 #endif /* CONFIG_SYSFB_SIMPLE */
 120
 121 #endif /* _LINUX_SYSFB_H */