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
 13struct screen_info;
 14
 15enum {
 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
 50struct 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
 61void sysfb_disable(void);
 62
 63#else /* CONFIG_SYSFB */
 64
 65static inline void sysfb_disable(void)
 66{
 67}
 68
 69#endif /* CONFIG_SYSFB */
 70
 71#ifdef CONFIG_EFI
 72
 73extern struct efifb_dmi_info efifb_dmi_list[];
 74void sysfb_apply_efi_quirks(void);
 75void sysfb_set_efifb_fwnode(struct platform_device *pd);
 76
 77#else /* CONFIG_EFI */
 78
 79static inline void sysfb_apply_efi_quirks(void)
 80{
 81}
 82
 83static inline void sysfb_set_efifb_fwnode(struct platform_device *pd)
 84{
 85}
 86
 87#endif /* CONFIG_EFI */
 88
 89#ifdef CONFIG_SYSFB_SIMPLEFB
 90
 91bool sysfb_parse_mode(const struct screen_info *si,
 92		      struct simplefb_platform_data *mode);
 93struct platform_device *sysfb_create_simplefb(const struct screen_info *si,
 94					      const struct simplefb_platform_data *mode,
 95					      struct device *parent);
 96
 97#else /* CONFIG_SYSFB_SIMPLE */
 98
 99static inline bool sysfb_parse_mode(const struct screen_info *si,
100				    struct simplefb_platform_data *mode)
101{
102	return false;
103}
104
105static inline struct platform_device *sysfb_create_simplefb(const struct screen_info *si,
106							    const struct simplefb_platform_data *mode,
107							    struct device *parent)
108{
109	return ERR_PTR(-EINVAL);
110}
111
112#endif /* CONFIG_SYSFB_SIMPLE */
113
114#endif /* _LINUX_SYSFB_H */