mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-09-21 15:12:04 +00:00
84e63abfff
Show the U-Boot logo by default. This is only 7KB in size so seems like a useful default for boards that enable a display. If SPLASH_SCREEN is enabled, it is not enabled by default, so as not to conflict with that feature. Also disable it for tests, since we don't want to complicate the output. Signed-off-by: Simon Glass <sjg@chromium.org>
144 lines
3.7 KiB
C
144 lines
3.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2013 Google, Inc
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*/
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#include <common.h>
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#include <dm.h>
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#include <fdtdec.h>
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#include <log.h>
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#include <video.h>
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#include <asm/global_data.h>
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#include <asm/sdl.h>
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#include <asm/state.h>
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#include <asm/u-boot-sandbox.h>
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#include <dm/device-internal.h>
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#include <dm/test.h>
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DECLARE_GLOBAL_DATA_PTR;
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enum {
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/* Default LCD size we support */
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LCD_MAX_WIDTH = 1366,
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LCD_MAX_HEIGHT = 768,
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};
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static int sandbox_sdl_probe(struct udevice *dev)
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{
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struct video_uc_plat *uc_plat = dev_get_uclass_plat(dev);
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struct sandbox_sdl_plat *plat = dev_get_plat(dev);
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struct video_priv *uc_priv = dev_get_uclass_priv(dev);
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struct sandbox_state *state = state_get_current();
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int ret;
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ret = sandbox_sdl_init_display(plat->xres, plat->yres, plat->bpix,
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state->double_lcd);
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if (ret) {
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puts("LCD init failed\n");
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return ret;
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}
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uc_priv->xsize = plat->xres;
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uc_priv->ysize = plat->yres;
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uc_priv->bpix = plat->bpix;
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uc_priv->rot = plat->rot;
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uc_priv->vidconsole_drv_name = plat->vidconsole_drv_name;
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uc_priv->font_size = plat->font_size;
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if (IS_ENABLED(CONFIG_VIDEO_COPY))
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uc_plat->copy_base = uc_plat->base + uc_plat->size / 2;
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return 0;
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}
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static void set_bpp(struct udevice *dev, enum video_log2_bpp l2bpp)
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{
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struct video_uc_plat *uc_plat = dev_get_uclass_plat(dev);
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struct sandbox_sdl_plat *plat = dev_get_plat(dev);
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plat->bpix = l2bpp;
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uc_plat->size = plat->xres * plat->yres * VNBYTES(plat->bpix);
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/*
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* Set up to the maximum size we'll ever need. This is a strange case.
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* The video memory is allocated by video_post_bind() called from
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* board_init_r(). If a test changes the reoslution so it needs more
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* memory later (with sandbox_sdl_set_bpp()), it is too late to make
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* the frame buffer larger.
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*
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* So use a maximum size here.
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*/
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uc_plat->size = max(uc_plat->size, 1920U * 1080 * VNBYTES(VIDEO_BPP32));
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/* Allow space for two buffers, the lower one being the copy buffer */
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log_debug("Frame buffer size %x\n", uc_plat->size);
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/*
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* If a copy framebuffer is used, double the size and use the last half
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* as the copy, with the first half as the normal frame buffer.
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*/
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if (IS_ENABLED(CONFIG_VIDEO_COPY))
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uc_plat->size *= 2;
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}
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int sandbox_sdl_set_bpp(struct udevice *dev, enum video_log2_bpp l2bpp)
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{
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struct video_uc_plat *uc_plat = dev_get_uclass_plat(dev);
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int ret;
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if (device_active(dev))
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return -EINVAL;
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sandbox_sdl_remove_display();
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uc_plat->hide_logo = true;
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set_bpp(dev, l2bpp);
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ret = device_probe(dev);
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if (ret)
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return ret;
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return 0;
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}
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static int sandbox_sdl_remove(struct udevice *dev)
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{
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/*
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* Removing the display it a bit annoying when running unit tests, since
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* they remove all devices. It is nice to be able to see what the test
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* wrote onto the display. So this comment is just here to show how to
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* do it, if we want to make it optional one day.
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*
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* sandbox_sdl_remove_display();
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*/
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return 0;
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}
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static int sandbox_sdl_bind(struct udevice *dev)
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{
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struct sandbox_sdl_plat *plat = dev_get_plat(dev);
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enum video_log2_bpp l2bpp;
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int ret = 0;
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plat->xres = dev_read_u32_default(dev, "xres", LCD_MAX_WIDTH);
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plat->yres = dev_read_u32_default(dev, "yres", LCD_MAX_HEIGHT);
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l2bpp = dev_read_u32_default(dev, "log2-depth", VIDEO_BPP16);
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plat->rot = dev_read_u32_default(dev, "rotate", 0);
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set_bpp(dev, l2bpp);
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return ret;
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}
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static const struct udevice_id sandbox_sdl_ids[] = {
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{ .compatible = "sandbox,lcd-sdl" },
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{ }
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};
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U_BOOT_DRIVER(sandbox_lcd_sdl) = {
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.name = "sandbox_lcd_sdl",
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.id = UCLASS_VIDEO,
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.of_match = sandbox_sdl_ids,
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.bind = sandbox_sdl_bind,
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.probe = sandbox_sdl_probe,
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.remove = sandbox_sdl_remove,
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.plat_auto = sizeof(struct sandbox_sdl_plat),
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};
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