xref: /OK3568_Linux_fs/u-boot/drivers/video/sandbox_sdl.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (c) 2013 Google, Inc
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <dm.h>
9*4882a593Smuzhiyun #include <fdtdec.h>
10*4882a593Smuzhiyun #include <video.h>
11*4882a593Smuzhiyun #include <asm/sdl.h>
12*4882a593Smuzhiyun #include <asm/u-boot-sandbox.h>
13*4882a593Smuzhiyun #include <dm/test.h>
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun enum {
18*4882a593Smuzhiyun 	/* Default LCD size we support */
19*4882a593Smuzhiyun 	LCD_MAX_WIDTH		= 1366,
20*4882a593Smuzhiyun 	LCD_MAX_HEIGHT		= 768,
21*4882a593Smuzhiyun };
22*4882a593Smuzhiyun 
sandbox_sdl_probe(struct udevice * dev)23*4882a593Smuzhiyun static int sandbox_sdl_probe(struct udevice *dev)
24*4882a593Smuzhiyun {
25*4882a593Smuzhiyun 	struct sandbox_sdl_plat *plat = dev_get_platdata(dev);
26*4882a593Smuzhiyun 	struct video_priv *uc_priv = dev_get_uclass_priv(dev);
27*4882a593Smuzhiyun 	int ret;
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun 	ret = sandbox_sdl_init_display(plat->xres, plat->yres, plat->bpix);
30*4882a593Smuzhiyun 	if (ret) {
31*4882a593Smuzhiyun 		puts("LCD init failed\n");
32*4882a593Smuzhiyun 		return ret;
33*4882a593Smuzhiyun 	}
34*4882a593Smuzhiyun 	uc_priv->xsize = plat->xres;
35*4882a593Smuzhiyun 	uc_priv->ysize = plat->yres;
36*4882a593Smuzhiyun 	uc_priv->bpix = plat->bpix;
37*4882a593Smuzhiyun 	uc_priv->rot = plat->rot;
38*4882a593Smuzhiyun 	uc_priv->vidconsole_drv_name = plat->vidconsole_drv_name;
39*4882a593Smuzhiyun 	uc_priv->font_size = plat->font_size;
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun 	return 0;
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun 
sandbox_sdl_bind(struct udevice * dev)44*4882a593Smuzhiyun static int sandbox_sdl_bind(struct udevice *dev)
45*4882a593Smuzhiyun {
46*4882a593Smuzhiyun 	struct video_uc_platdata *uc_plat = dev_get_uclass_platdata(dev);
47*4882a593Smuzhiyun 	struct sandbox_sdl_plat *plat = dev_get_platdata(dev);
48*4882a593Smuzhiyun 	const void *blob = gd->fdt_blob;
49*4882a593Smuzhiyun 	int node = dev_of_offset(dev);
50*4882a593Smuzhiyun 	int ret = 0;
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun 	plat->xres = fdtdec_get_int(blob, node, "xres", LCD_MAX_WIDTH);
53*4882a593Smuzhiyun 	plat->yres = fdtdec_get_int(blob, node, "yres", LCD_MAX_HEIGHT);
54*4882a593Smuzhiyun 	plat->bpix = VIDEO_BPP16;
55*4882a593Smuzhiyun 	uc_plat->size = plat->xres * plat->yres * (1 << plat->bpix) / 8;
56*4882a593Smuzhiyun 	debug("%s: Frame buffer size %x\n", __func__, uc_plat->size);
57*4882a593Smuzhiyun 
58*4882a593Smuzhiyun 	return ret;
59*4882a593Smuzhiyun }
60*4882a593Smuzhiyun 
61*4882a593Smuzhiyun static const struct udevice_id sandbox_sdl_ids[] = {
62*4882a593Smuzhiyun 	{ .compatible = "sandbox,lcd-sdl" },
63*4882a593Smuzhiyun 	{ }
64*4882a593Smuzhiyun };
65*4882a593Smuzhiyun 
66*4882a593Smuzhiyun U_BOOT_DRIVER(sdl_sandbox) = {
67*4882a593Smuzhiyun 	.name	= "sdl_sandbox",
68*4882a593Smuzhiyun 	.id	= UCLASS_VIDEO,
69*4882a593Smuzhiyun 	.of_match = sandbox_sdl_ids,
70*4882a593Smuzhiyun 	.bind	= sandbox_sdl_bind,
71*4882a593Smuzhiyun 	.probe	= sandbox_sdl_probe,
72*4882a593Smuzhiyun 	.platdata_auto_alloc_size	= sizeof(struct sandbox_sdl_plat),
73*4882a593Smuzhiyun };
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