xref: /openbmc/u-boot/drivers/video/sandbox_sdl.c (revision eba6589f7e019d8ccb331a84a789b0c4d74f51f6)
1  // SPDX-License-Identifier: GPL-2.0+
2  /*
3   * Copyright (c) 2013 Google, Inc
4   */
5  
6  #include <common.h>
7  #include <dm.h>
8  #include <fdtdec.h>
9  #include <video.h>
10  #include <asm/sdl.h>
11  #include <asm/u-boot-sandbox.h>
12  #include <dm/test.h>
13  
14  DECLARE_GLOBAL_DATA_PTR;
15  
16  enum {
17  	/* Default LCD size we support */
18  	LCD_MAX_WIDTH		= 1366,
19  	LCD_MAX_HEIGHT		= 768,
20  };
21  
22  static int sandbox_sdl_probe(struct udevice *dev)
23  {
24  	struct sandbox_sdl_plat *plat = dev_get_platdata(dev);
25  	struct video_priv *uc_priv = dev_get_uclass_priv(dev);
26  	int ret;
27  
28  	ret = sandbox_sdl_init_display(plat->xres, plat->yres, plat->bpix);
29  	if (ret) {
30  		puts("LCD init failed\n");
31  		return ret;
32  	}
33  	uc_priv->xsize = plat->xres;
34  	uc_priv->ysize = plat->yres;
35  	uc_priv->bpix = plat->bpix;
36  	uc_priv->rot = plat->rot;
37  	uc_priv->vidconsole_drv_name = plat->vidconsole_drv_name;
38  	uc_priv->font_size = plat->font_size;
39  
40  	return 0;
41  }
42  
43  static int sandbox_sdl_bind(struct udevice *dev)
44  {
45  	struct video_uc_platdata *uc_plat = dev_get_uclass_platdata(dev);
46  	struct sandbox_sdl_plat *plat = dev_get_platdata(dev);
47  	const void *blob = gd->fdt_blob;
48  	int node = dev_of_offset(dev);
49  	int ret = 0;
50  
51  	plat->xres = fdtdec_get_int(blob, node, "xres", LCD_MAX_WIDTH);
52  	plat->yres = fdtdec_get_int(blob, node, "yres", LCD_MAX_HEIGHT);
53  	plat->bpix = VIDEO_BPP16;
54  	uc_plat->size = plat->xres * plat->yres * (1 << plat->bpix) / 8;
55  	debug("%s: Frame buffer size %x\n", __func__, uc_plat->size);
56  
57  	return ret;
58  }
59  
60  static const struct udevice_id sandbox_sdl_ids[] = {
61  	{ .compatible = "sandbox,lcd-sdl" },
62  	{ }
63  };
64  
65  U_BOOT_DRIVER(sdl_sandbox) = {
66  	.name	= "sdl_sandbox",
67  	.id	= UCLASS_VIDEO,
68  	.of_match = sandbox_sdl_ids,
69  	.bind	= sandbox_sdl_bind,
70  	.probe	= sandbox_sdl_probe,
71  	.platdata_auto_alloc_size	= sizeof(struct sandbox_sdl_plat),
72  };
73