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/err.h>
11 #include <linux/platform_data/simplefb.h>
12 #include <linux/screen_info.h>
13 #include <linux/types.h>
14
15 #include <video/edid.h>
16
17 struct device;
18 struct platform_device;
19 struct screen_info;
20
21 enum {
22 M_I17, /* 17-Inch iMac */
23 M_I20, /* 20-Inch iMac */
24 M_I20_SR, /* 20-Inch iMac (Santa Rosa) */
25 M_I24, /* 24-Inch iMac */
26 M_I24_8_1, /* 24-Inch iMac, 8,1th gen */
27 M_I24_10_1, /* 24-Inch iMac, 10,1th gen */
28 M_I27_11_1, /* 27-Inch iMac, 11,1th gen */
29 M_MINI, /* Mac Mini */
30 M_MINI_3_1, /* Mac Mini, 3,1th gen */
31 M_MINI_4_1, /* Mac Mini, 4,1th gen */
32 M_MB, /* MacBook */
33 M_MB_2, /* MacBook, 2nd rev. */
34 M_MB_3, /* MacBook, 3rd rev. */
35 M_MB_5_1, /* MacBook, 5th rev. */
36 M_MB_6_1, /* MacBook, 6th rev. */
37 M_MB_7_1, /* MacBook, 7th rev. */
38 M_MB_SR, /* MacBook, 2nd gen, (Santa Rosa) */
39 M_MBA, /* MacBook Air */
40 M_MBA_3, /* Macbook Air, 3rd rev */
41 M_MBP, /* MacBook Pro */
42 M_MBP_2, /* MacBook Pro 2nd gen */
43 M_MBP_2_2, /* MacBook Pro 2,2nd gen */
44 M_MBP_SR, /* MacBook Pro (Santa Rosa) */
45 M_MBP_4, /* MacBook Pro, 4th gen */
46 M_MBP_5_1, /* MacBook Pro, 5,1th gen */
47 M_MBP_5_2, /* MacBook Pro, 5,2th gen */
48 M_MBP_5_3, /* MacBook Pro, 5,3rd gen */
49 M_MBP_6_1, /* MacBook Pro, 6,1th gen */
50 M_MBP_6_2, /* MacBook Pro, 6,2th gen */
51 M_MBP_7_1, /* MacBook Pro, 7,1th gen */
52 M_MBP_8_2, /* MacBook Pro, 8,2nd gen */
53 M_UNKNOWN /* placeholder */
54 };
55
56 struct efifb_dmi_info {
57 char *optname;
58 unsigned long base;
59 int stride;
60 int width;
61 int height;
62 int flags;
63 };
64
65 struct sysfb_display_info {
66 struct screen_info screen;
67
68 #if defined(CONFIG_FIRMWARE_EDID)
69 struct edid_info edid;
70 #endif
71 };
72
73 extern struct sysfb_display_info sysfb_primary_display;
74
75 #ifdef CONFIG_SYSFB
76
77 void sysfb_disable(struct device *dev);
78
79 bool sysfb_handles_screen_info(void);
80
81 #else /* CONFIG_SYSFB */
82
sysfb_disable(struct device * dev)83 static inline void sysfb_disable(struct device *dev)
84 {
85 }
86
sysfb_handles_screen_info(void)87 static inline bool sysfb_handles_screen_info(void)
88 {
89 return false;
90 }
91
92 #endif /* CONFIG_SYSFB */
93
94 #ifdef CONFIG_EFI
95
96 extern struct efifb_dmi_info efifb_dmi_list[];
97 void sysfb_apply_efi_quirks(struct screen_info *si);
98 void sysfb_set_efifb_fwnode(const struct screen_info *si, struct platform_device *pd);
99
100 #else /* CONFIG_EFI */
101
sysfb_apply_efi_quirks(struct screen_info * si)102 static inline void sysfb_apply_efi_quirks(struct screen_info *si)
103 {
104 }
105
sysfb_set_efifb_fwnode(const struct screen_info * si,struct platform_device * pd)106 static inline void sysfb_set_efifb_fwnode(const struct screen_info *si,
107 struct platform_device *pd)
108 {
109 }
110
111 #endif /* CONFIG_EFI */
112
113 #ifdef CONFIG_SYSFB_SIMPLEFB
114
115 bool sysfb_parse_mode(const struct screen_info *si,
116 struct simplefb_platform_data *mode);
117 struct platform_device *sysfb_create_simplefb(const struct screen_info *si,
118 const struct simplefb_platform_data *mode,
119 struct device *parent);
120
121 #else /* CONFIG_SYSFB_SIMPLE */
122
sysfb_parse_mode(const struct screen_info * si,struct simplefb_platform_data * mode)123 static inline bool sysfb_parse_mode(const struct screen_info *si,
124 struct simplefb_platform_data *mode)
125 {
126 return false;
127 }
128
sysfb_create_simplefb(const struct screen_info * si,const struct simplefb_platform_data * mode,struct device * parent)129 static inline struct platform_device *sysfb_create_simplefb(const struct screen_info *si,
130 const struct simplefb_platform_data *mode,
131 struct device *parent)
132 {
133 return ERR_PTR(-EINVAL);
134 }
135
136 #endif /* CONFIG_SYSFB_SIMPLE */
137
138 #endif /* _LINUX_SYSFB_H */
139