mirror of
https://source.denx.de/u-boot/u-boot.git
synced 2025-10-31 16:31:25 +01:00
e7ee1fd567
Allow font size configuration at runtime for console_simple.c driver. This needed for unit testing different fonts. Configuring is done by `font` command, also used for font selection in true type console. Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
121 lines
4.2 KiB
C
121 lines
4.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Copyright (c) 2015 Google, Inc
|
|
* (C) Copyright 2015
|
|
* Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
|
|
* (C) Copyright 2023 Dzmitry Sankouski <dsankouski@gmail.com>
|
|
*/
|
|
|
|
#define FLIPPED_DIRECTION 1
|
|
#define NORMAL_DIRECTION 0
|
|
|
|
/**
|
|
* struct console_simple_priv - Private data for this driver
|
|
*
|
|
* @video_fontdata font graphical representation data
|
|
*/
|
|
struct console_simple_priv {
|
|
struct video_fontdata *fontdata;
|
|
};
|
|
|
|
/**
|
|
* Checks if bits per pixel supported.
|
|
*
|
|
* @param bpix framebuffer bits per pixel.
|
|
*
|
|
* @returns 0, if supported, or else -ENOSYS.
|
|
*/
|
|
int check_bpix_support(int bpix);
|
|
|
|
/**
|
|
* Fill 1 pixel in framebuffer, and go to next one.
|
|
*
|
|
* @param dstp a pointer to pointer to framebuffer.
|
|
* @param value value to write to framebuffer.
|
|
* @param pbytes framebuffer bytes per pixel.
|
|
* @param step framebuffer pointer increment. Usually is equal to pbytes,
|
|
* and may be negative to control filling direction.
|
|
*/
|
|
void fill_pixel_and_goto_next(void **dstp, u32 value, int pbytes, int step);
|
|
|
|
/**
|
|
* Fills 1 character in framebuffer vertically. Vertically means we're filling char font data rows
|
|
* across the lines.
|
|
*
|
|
* @param pfont a pointer to character font data.
|
|
* @param line a pointer to pointer to framebuffer. It's a point for upper left char corner
|
|
* @param vid_priv driver private data.
|
|
* @fontdata font graphical representation data
|
|
* @param direction controls character orientation. Can be normal or flipped.
|
|
* When normal: When flipped:
|
|
*|-----------------------------------------------|
|
|
*| line stepping | |
|
|
*| | | stepping -> |
|
|
*| * | | * * * |
|
|
*| * * v | * |
|
|
*| * | * |
|
|
*| * | * * ^ |
|
|
*| * * * | * | |
|
|
*| | | |
|
|
*| stepping -> | line stepping |
|
|
*|---!!we're starting from upper left char corner|
|
|
*|-----------------------------------------------|
|
|
*
|
|
* @returns 0, if success, or else error code.
|
|
*/
|
|
int fill_char_vertically(uchar *pfont, void **line, struct video_priv *vid_priv,
|
|
struct video_fontdata *fontdata, bool direction);
|
|
|
|
/**
|
|
* Fills 1 character in framebuffer horizontally.
|
|
* Horizontally means we're filling char font data columns across the lines.
|
|
*
|
|
* @param pfont a pointer to character font data.
|
|
* @param line a pointer to pointer to framebuffer. It's a point for upper left char corner
|
|
* @param vid_priv driver private data.
|
|
* @fontdata font graphical representation data
|
|
* @param direction controls character orientation. Can be normal or flipped.
|
|
* When normal: When flipped:
|
|
*|-----------------------------------------------|
|
|
*| * | line stepping |
|
|
*| ^ * * * * * | | |
|
|
*| | * * | v * * |
|
|
*| | | * * * * * |
|
|
*| line stepping | * |
|
|
*| | |
|
|
*| stepping -> | <- stepping |
|
|
*|---!!we're starting from upper left char corner|
|
|
*|-----------------------------------------------|
|
|
*
|
|
* @returns 0, if success, or else error code.
|
|
*/
|
|
int fill_char_horizontally(uchar *pfont, void **line, struct video_priv *vid_priv,
|
|
struct video_fontdata *fontdata, bool direction);
|
|
|
|
/**
|
|
* console probe function.
|
|
*
|
|
* @param dev a pointer to device.
|
|
*
|
|
* @returns 0, if success, or else error code.
|
|
*/
|
|
int console_probe(struct udevice *dev);
|
|
|
|
/**
|
|
* Internal function to be used in as ops.
|
|
* See details in video_console.h get_font_size function
|
|
**/
|
|
const char *console_simple_get_font_size(struct udevice *dev, uint *sizep);
|
|
|
|
/**
|
|
* Internal function to be used in as ops.
|
|
* See details in video_console.h get_font function
|
|
**/
|
|
int console_simple_get_font(struct udevice *dev, int seq, struct vidfont_info *info);
|
|
|
|
/**
|
|
* Internal function to be used in as ops.
|
|
* See details in video_console.h select_font function
|
|
**/
|
|
int console_simple_select_font(struct udevice *dev, const char *name, uint size);
|