xref: /openbmc/u-boot/drivers/video/sandbox_sdl.c (revision e3963c09)
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