include/linux/sysfb.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 #ifndef _LINUX_SYSFB_H
0003 #define _LINUX_SYSFB_H
0004
0005 /*
0006  * Generic System Framebuffers on x86
0007  * Copyright (c) 2012-2013 David Herrmann <dh.herrmann@gmail.com>
0008  */
0009
0010 #include <linux/kernel.h>
0011 #include <linux/platform_data/simplefb.h>
0012 #include <linux/screen_info.h>
0013
0014 enum {
0015     M_I17,      /* 17-Inch iMac */
0016     M_I20,      /* 20-Inch iMac */
0017     M_I20_SR,   /* 20-Inch iMac (Santa Rosa) */
0018     M_I24,      /* 24-Inch iMac */
0019     M_I24_8_1,  /* 24-Inch iMac, 8,1th gen */
0020     M_I24_10_1, /* 24-Inch iMac, 10,1th gen */
0021     M_I27_11_1, /* 27-Inch iMac, 11,1th gen */
0022     M_MINI,     /* Mac Mini */
0023     M_MINI_3_1, /* Mac Mini, 3,1th gen */
0024     M_MINI_4_1, /* Mac Mini, 4,1th gen */
0025     M_MB,       /* MacBook */
0026     M_MB_2,     /* MacBook, 2nd rev. */
0027     M_MB_3,     /* MacBook, 3rd rev. */
0028     M_MB_5_1,   /* MacBook, 5th rev. */
0029     M_MB_6_1,   /* MacBook, 6th rev. */
0030     M_MB_7_1,   /* MacBook, 7th rev. */
0031     M_MB_SR,    /* MacBook, 2nd gen, (Santa Rosa) */
0032     M_MBA,      /* MacBook Air */
0033     M_MBA_3,    /* Macbook Air, 3rd rev */
0034     M_MBP,      /* MacBook Pro */
0035     M_MBP_2,    /* MacBook Pro 2nd gen */
0036     M_MBP_2_2,  /* MacBook Pro 2,2nd gen */
0037     M_MBP_SR,   /* MacBook Pro (Santa Rosa) */
0038     M_MBP_4,    /* MacBook Pro, 4th gen */
0039     M_MBP_5_1,  /* MacBook Pro, 5,1th gen */
0040     M_MBP_5_2,  /* MacBook Pro, 5,2th gen */
0041     M_MBP_5_3,  /* MacBook Pro, 5,3rd gen */
0042     M_MBP_6_1,  /* MacBook Pro, 6,1th gen */
0043     M_MBP_6_2,  /* MacBook Pro, 6,2th gen */
0044     M_MBP_7_1,  /* MacBook Pro, 7,1th gen */
0045     M_MBP_8_2,  /* MacBook Pro, 8,2nd gen */
0046     M_UNKNOWN   /* placeholder */
0047 };
0048
0049 struct efifb_dmi_info {
0050     char *optname;
0051     unsigned long base;
0052     int stride;
0053     int width;
0054     int height;
0055     int flags;
0056 };
0057
0058 #ifdef CONFIG_SYSFB
0059
0060 void sysfb_disable(void);
0061
0062 #else /* CONFIG_SYSFB */
0063
0064 static inline void sysfb_disable(void)
0065 {
0066 }
0067
0068 #endif /* CONFIG_SYSFB */
0069
0070 #ifdef CONFIG_EFI
0071
0072 extern struct efifb_dmi_info efifb_dmi_list[];
0073 void sysfb_apply_efi_quirks(struct platform_device *pd);
0074
0075 #else /* CONFIG_EFI */
0076
0077 static inline void sysfb_apply_efi_quirks(struct platform_device *pd)
0078 {
0079 }
0080
0081 #endif /* CONFIG_EFI */
0082
0083 #ifdef CONFIG_SYSFB_SIMPLEFB
0084
0085 bool sysfb_parse_mode(const struct screen_info *si,
0086               struct simplefb_platform_data *mode);
0087 struct platform_device *sysfb_create_simplefb(const struct screen_info *si,
0088                           const struct simplefb_platform_data *mode);
0089
0090 #else /* CONFIG_SYSFB_SIMPLE */
0091
0092 static inline bool sysfb_parse_mode(const struct screen_info *si,
0093                     struct simplefb_platform_data *mode)
0094 {
0095     return false;
0096 }
0097
0098 static inline struct platform_device *sysfb_create_simplefb(const struct screen_info *si,
0099                                 const struct simplefb_platform_data *mode)
0100 {
0101     return ERR_PTR(-EINVAL);
0102 }
0103
0104 #endif /* CONFIG_SYSFB_SIMPLE */
0105
0106 #endif /* _LINUX_SYSFB_H */