xref: /openbmc/u-boot/drivers/video/sandbox_sdl.c (revision 28522678)
1 /*
2  * Copyright (c) 2013 Google, Inc
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <dm.h>
9 #include <fdtdec.h>
10 #include <video.h>
11 #include <asm/sdl.h>
12 #include <asm/u-boot-sandbox.h>
13 #include <dm/test.h>
14 
15 DECLARE_GLOBAL_DATA_PTR;
16 
17 enum {
18 	/* Default LCD size we support */
19 	LCD_MAX_WIDTH		= 1366,
20 	LCD_MAX_HEIGHT		= 768,
21 };
22 
23 static int sandbox_sdl_probe(struct udevice *dev)
24 {
25 	struct sandbox_sdl_plat *plat = dev_get_platdata(dev);
26 	struct video_priv *uc_priv = dev_get_uclass_priv(dev);
27 	int ret;
28 
29 	ret = sandbox_sdl_init_display(plat->xres, plat->yres, plat->bpix);
30 	if (ret) {
31 		puts("LCD init failed\n");
32 		return ret;
33 	}
34 	uc_priv->xsize = plat->xres;
35 	uc_priv->ysize = plat->yres;
36 	uc_priv->bpix = plat->bpix;
37 	uc_priv->rot = plat->rot;
38 	uc_priv->vidconsole_drv_name = plat->vidconsole_drv_name;
39 	uc_priv->font_size = plat->font_size;
40 
41 	return 0;
42 }
43 
44 static int sandbox_sdl_bind(struct udevice *dev)
45 {
46 	struct video_uc_platdata *uc_plat = dev_get_uclass_platdata(dev);
47 	struct sandbox_sdl_plat *plat = dev_get_platdata(dev);
48 	const void *blob = gd->fdt_blob;
49 	int node = dev_of_offset(dev);
50 	int ret = 0;
51 
52 	plat->xres = fdtdec_get_int(blob, node, "xres", LCD_MAX_WIDTH);
53 	plat->yres = fdtdec_get_int(blob, node, "yres", LCD_MAX_HEIGHT);
54 	plat->bpix = VIDEO_BPP16;
55 	uc_plat->size = plat->xres * plat->yres * (1 << plat->bpix) / 8;
56 	debug("%s: Frame buffer size %x\n", __func__, uc_plat->size);
57 
58 	return ret;
59 }
60 
61 static const struct udevice_id sandbox_sdl_ids[] = {
62 	{ .compatible = "sandbox,lcd-sdl" },
63 	{ }
64 };
65 
66 U_BOOT_DRIVER(sdl_sandbox) = {
67 	.name	= "sdl_sandbox",
68 	.id	= UCLASS_VIDEO,
69 	.of_match = sandbox_sdl_ids,
70 	.bind	= sandbox_sdl_bind,
71 	.probe	= sandbox_sdl_probe,
72 	.platdata_auto_alloc_size	= sizeof(struct sandbox_sdl_plat),
73 };
74