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 #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_SYSFB
59
60 void sysfb_disable(void);
61
62 #else /* CONFIG_SYSFB */
63
sysfb_disable(void)64 static inline void sysfb_disable(void)
65 {
66 }
67
68 #endif /* CONFIG_SYSFB */
69
70 #ifdef CONFIG_EFI
71
72 extern struct efifb_dmi_info efifb_dmi_list[];
73 void sysfb_apply_efi_quirks(struct platform_device *pd);
74
75 #else /* CONFIG_EFI */
76
sysfb_apply_efi_quirks(struct platform_device * pd)77 static inline void sysfb_apply_efi_quirks(struct platform_device *pd)
78 {
79 }
80
81 #endif /* CONFIG_EFI */
82
83 #ifdef CONFIG_SYSFB_SIMPLEFB
84
85 bool sysfb_parse_mode(const struct screen_info *si,
86 struct simplefb_platform_data *mode);
87 struct platform_device *sysfb_create_simplefb(const struct screen_info *si,
88 const struct simplefb_platform_data *mode);
89
90 #else /* CONFIG_SYSFB_SIMPLE */
91
sysfb_parse_mode(const struct screen_info * si,struct simplefb_platform_data * mode)92 static inline bool sysfb_parse_mode(const struct screen_info *si,
93 struct simplefb_platform_data *mode)
94 {
95 return false;
96 }
97
sysfb_create_simplefb(const struct screen_info * si,const struct simplefb_platform_data * mode)98 static inline struct platform_device *sysfb_create_simplefb(const struct screen_info *si,
99 const struct simplefb_platform_data *mode)
100 {
101 return ERR_PTR(-EINVAL);
102 }
103
104 #endif /* CONFIG_SYSFB_SIMPLE */
105
106 #endif /* _LINUX_SYSFB_H */
107