sysfb.h

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