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| /* SPDX-License-Identifier: GPL-2.0-or-later */
| /*
| * simplefb.h - Simple Framebuffer Device
| *
| * Copyright (C) 2013 David Herrmann <dh.herrmann@gmail.com>
| */
|
| #ifndef __PLATFORM_DATA_SIMPLEFB_H__
| #define __PLATFORM_DATA_SIMPLEFB_H__
|
| #include <drm/drm_fourcc.h>
| #include <linux/fb.h>
| #include <linux/types.h>
|
| /* format array, use it to initialize a "struct simplefb_format" array */
| #define SIMPLEFB_FORMATS \
| { \
| { "r5g6b5", 16, {11, 5}, {5, 6}, {0, 5}, {0, 0}, DRM_FORMAT_RGB565 }, \
| { "x1r5g5b5", 16, {10, 5}, {5, 5}, {0, 5}, {0, 0}, DRM_FORMAT_XRGB1555 }, \
| { "a1r5g5b5", 16, {10, 5}, {5, 5}, {0, 5}, {15, 1}, DRM_FORMAT_ARGB1555 }, \
| { "r8g8b8", 24, {16, 8}, {8, 8}, {0, 8}, {0, 0}, DRM_FORMAT_RGB888 }, \
| { "x8r8g8b8", 32, {16, 8}, {8, 8}, {0, 8}, {0, 0}, DRM_FORMAT_XRGB8888 }, \
| { "a8r8g8b8", 32, {16, 8}, {8, 8}, {0, 8}, {24, 8}, DRM_FORMAT_ARGB8888 }, \
| { "a8b8g8r8", 32, {0, 8}, {8, 8}, {16, 8}, {24, 8}, DRM_FORMAT_ABGR8888 }, \
| { "x2r10g10b10", 32, {20, 10}, {10, 10}, {0, 10}, {0, 0}, DRM_FORMAT_XRGB2101010 }, \
| { "a2r10g10b10", 32, {20, 10}, {10, 10}, {0, 10}, {30, 2}, DRM_FORMAT_ARGB2101010 }, \
| }
|
| /*
| * Data-Format for Simple-Framebuffers
| * @name: unique 0-terminated name that can be used to identify the mode
| * @red,green,blue: Offsets and sizes of the single RGB parts
| * @transp: Offset and size of the alpha bits. length=0 means no alpha
| * @fourcc: 32bit DRM four-CC code (see drm_fourcc.h)
| */
| struct simplefb_format {
| const char *name;
| u32 bits_per_pixel;
| struct fb_bitfield red;
| struct fb_bitfield green;
| struct fb_bitfield blue;
| struct fb_bitfield transp;
| u32 fourcc;
| };
|
| /*
| * Simple-Framebuffer description
| * If the arch-boot code creates simple-framebuffers without DT support, it
| * can pass the width, height, stride and format via this platform-data object.
| * The framebuffer location must be given as IORESOURCE_MEM resource.
| * @format must be a format as described in "struct simplefb_format" above.
| */
| struct simplefb_platform_data {
| u32 width;
| u32 height;
| u32 stride;
| const char *format;
| };
|
| #endif /* __PLATFORM_DATA_SIMPLEFB_H__ */
|
|
