projects / mirror_ubuntu-eoan-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 5ef76da6 DH |
2 | /* |
| 3 | * simplefb.h - Simple Framebuffer Device | |
| 4 | * | |
| 5 | * Copyright (C) 2013 David Herrmann <dh.herrmann@gmail.com> | |
| 5ef76da6 DH |
6 | */ |
| 7 | ||
| 8 | #ifndef __PLATFORM_DATA_SIMPLEFB_H__ | |
| 9 | #define __PLATFORM_DATA_SIMPLEFB_H__ | |
| 10 | ||
| 11 | #include <drm/drm_fourcc.h> | |
| 12 | #include <linux/fb.h> | |
| 13 | #include <linux/kernel.h> | |
| 14 | ||
| 15 | /* format array, use it to initialize a "struct simplefb_format" array */ | |
| 16 | #define SIMPLEFB_FORMATS \ | |
| 17 | { \ | |
| 18 | { "r5g6b5", 16, {11, 5}, {5, 6}, {0, 5}, {0, 0}, DRM_FORMAT_RGB565 }, \ | |
| 9a6a36d1 DH |
19 | { "x1r5g5b5", 16, {10, 5}, {5, 5}, {0, 5}, {0, 0}, DRM_FORMAT_XRGB1555 }, \ |
| 20 | { "a1r5g5b5", 16, {10, 5}, {5, 5}, {0, 5}, {15, 1}, DRM_FORMAT_ARGB1555 }, \ | |
| 21 | { "r8g8b8", 24, {16, 8}, {8, 8}, {0, 8}, {0, 0}, DRM_FORMAT_RGB888 }, \ | |
| 22 | { "x8r8g8b8", 32, {16, 8}, {8, 8}, {0, 8}, {0, 0}, DRM_FORMAT_XRGB8888 }, \ | |
| 23 | { "a8r8g8b8", 32, {16, 8}, {8, 8}, {0, 8}, {24, 8}, DRM_FORMAT_ARGB8888 }, \ | |
| 9ab073bc | 24 | { "a8b8g8r8", 32, {0, 8}, {8, 8}, {16, 8}, {24, 8}, DRM_FORMAT_ABGR8888 }, \ |
| 9a6a36d1 DH |
25 | { "x2r10g10b10", 32, {20, 10}, {10, 10}, {0, 10}, {0, 0}, DRM_FORMAT_XRGB2101010 }, \ |
| 26 | { "a2r10g10b10", 32, {20, 10}, {10, 10}, {0, 10}, {30, 2}, DRM_FORMAT_ARGB2101010 }, \ | |
| 5ef76da6 DH |
27 | } |
| 28 | ||
| 29 | /* | |
| 30 | * Data-Format for Simple-Framebuffers | |
| 31 | * @name: unique 0-terminated name that can be used to identify the mode | |
| 32 | * @red,green,blue: Offsets and sizes of the single RGB parts | |
| 33 | * @transp: Offset and size of the alpha bits. length=0 means no alpha | |
| 34 | * @fourcc: 32bit DRM four-CC code (see drm_fourcc.h) | |
| 35 | */ | |
| 36 | struct simplefb_format { | |
| 37 | const char *name; | |
| 38 | u32 bits_per_pixel; | |
| 39 | struct fb_bitfield red; | |
| 40 | struct fb_bitfield green; | |
| 41 | struct fb_bitfield blue; | |
| 42 | struct fb_bitfield transp; | |
| 43 | u32 fourcc; | |
| 44 | }; | |
| 45 | ||
| 46 | /* | |
| 47 | * Simple-Framebuffer description | |
| 48 | * If the arch-boot code creates simple-framebuffers without DT support, it | |
| 49 | * can pass the width, height, stride and format via this platform-data object. | |
| 50 | * The framebuffer location must be given as IORESOURCE_MEM resource. | |
| 51 | * @format must be a format as described in "struct simplefb_format" above. | |
| 52 | */ | |
| 53 | struct simplefb_platform_data { | |
| 54 | u32 width; | |
| 55 | u32 height; | |
| 56 | u32 stride; | |
| 57 | const char *format; | |
| 58 | }; | |
| 59 | ||
| 60 | #endif /* __PLATFORM_DATA_SIMPLEFB_H__ */ |