mirror of
https://github.com/AsahiLinux/u-boot
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f578ca799e
Enable this feature on sandbox by updating the SDL driver to have two framebuffers. Update the video tests to check that the copy framebuffer is kept in sync. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Anatolij Gustschin <agust@denx.de>
82 lines
2.1 KiB
C
82 lines
2.1 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/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/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_platdata *uc_plat = dev_get_uclass_platdata(dev);
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struct sandbox_sdl_plat *plat = dev_get_platdata(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 int sandbox_sdl_bind(struct udevice *dev)
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{
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struct video_uc_platdata *uc_plat = dev_get_uclass_platdata(dev);
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struct sandbox_sdl_plat *plat = dev_get_platdata(dev);
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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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plat->bpix = 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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uc_plat->size = plat->xres * plat->yres * (1 << plat->bpix) / 8;
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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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if (IS_ENABLED(CONFIG_VIDEO_COPY))
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uc_plat->size *= 2;
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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(sdl_sandbox) = {
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.name = "sdl_sandbox",
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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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.platdata_auto_alloc_size = sizeof(struct sandbox_sdl_plat),
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};
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