1 #ifndef _ARCH_X86_KERNEL_SYSFB_H
2 #define _ARCH_X86_KERNEL_SYSFB_H
3 
4 /*
5  * Generic System Framebuffers on x86
6  * Copyright (c) 2012-2013 David Herrmann <dh.herrmann@gmail.com>
7  *
8  * This program is free software; you can redistribute it and/or modify it
9  * under the terms of the GNU General Public License as published by the Free
10  * Software Foundation; either version 2 of the License, or (at your option)
11  * any later version.
12  */
13 
14 #include <linux/kernel.h>
15 #include <linux/platform_data/simplefb.h>
16 #include <linux/screen_info.h>
17 
18 enum {
19 	M_I17,		/* 17-Inch iMac */
20 	M_I20,		/* 20-Inch iMac */
21 	M_I20_SR,	/* 20-Inch iMac (Santa Rosa) */
22 	M_I24,		/* 24-Inch iMac */
23 	M_I24_8_1,	/* 24-Inch iMac, 8,1th gen */
24 	M_I24_10_1,	/* 24-Inch iMac, 10,1th gen */
25 	M_I27_11_1,	/* 27-Inch iMac, 11,1th gen */
26 	M_MINI,		/* Mac Mini */
27 	M_MINI_3_1,	/* Mac Mini, 3,1th gen */
28 	M_MINI_4_1,	/* Mac Mini, 4,1th gen */
29 	M_MB,		/* MacBook */
30 	M_MB_2,		/* MacBook, 2nd rev. */
31 	M_MB_3,		/* MacBook, 3rd rev. */
32 	M_MB_5_1,	/* MacBook, 5th rev. */
33 	M_MB_6_1,	/* MacBook, 6th rev. */
34 	M_MB_7_1,	/* MacBook, 7th rev. */
35 	M_MB_SR,	/* MacBook, 2nd gen, (Santa Rosa) */
36 	M_MBA,		/* MacBook Air */
37 	M_MBA_3,	/* Macbook Air, 3rd rev */
38 	M_MBP,		/* MacBook Pro */
39 	M_MBP_2,	/* MacBook Pro 2nd gen */
40 	M_MBP_2_2,	/* MacBook Pro 2,2nd gen */
41 	M_MBP_SR,	/* MacBook Pro (Santa Rosa) */
42 	M_MBP_4,	/* MacBook Pro, 4th gen */
43 	M_MBP_5_1,	/* MacBook Pro, 5,1th gen */
44 	M_MBP_5_2,	/* MacBook Pro, 5,2th gen */
45 	M_MBP_5_3,	/* MacBook Pro, 5,3rd gen */
46 	M_MBP_6_1,	/* MacBook Pro, 6,1th gen */
47 	M_MBP_6_2,	/* MacBook Pro, 6,2th gen */
48 	M_MBP_7_1,	/* MacBook Pro, 7,1th gen */
49 	M_MBP_8_2,	/* MacBook Pro, 8,2nd gen */
50 	M_UNKNOWN	/* placeholder */
51 };
52 
53 struct efifb_dmi_info {
54 	char *optname;
55 	unsigned long base;
56 	int stride;
57 	int width;
58 	int height;
59 	int flags;
60 };
61 
62 #ifdef CONFIG_EFI
63 
64 extern struct efifb_dmi_info efifb_dmi_list[];
65 void sysfb_apply_efi_quirks(void);
66 
67 #else /* CONFIG_EFI */
68 
sysfb_apply_efi_quirks(void)69 static inline void sysfb_apply_efi_quirks(void)
70 {
71 }
72 
73 #endif /* CONFIG_EFI */
74 
75 #ifdef CONFIG_X86_SYSFB
76 
77 bool parse_mode(const struct screen_info *si,
78 		struct simplefb_platform_data *mode);
79 int create_simplefb(const struct screen_info *si,
80 		    const struct simplefb_platform_data *mode);
81 
82 #else /* CONFIG_X86_SYSFB */
83 
parse_mode(const struct screen_info * si,struct simplefb_platform_data * mode)84 static inline bool parse_mode(const struct screen_info *si,
85 			      struct simplefb_platform_data *mode)
86 {
87 	return false;
88 }
89 
create_simplefb(const struct screen_info * si,const struct simplefb_platform_data * mode)90 static inline int create_simplefb(const struct screen_info *si,
91 				  const struct simplefb_platform_data *mode)
92 {
93 	return -EINVAL;
94 }
95 
96 #endif /* CONFIG_X86_SYSFB */
97 
98 #endif /* _ARCH_X86_KERNEL_SYSFB_H */
99