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 <log.h>
10 #include <video.h>
11 #include <asm/global_data.h>
12 #include <asm/sdl.h>
13 #include <asm/state.h>
14 #include <asm/u-boot-sandbox.h>
15 #include <dm/test.h>
16
17 DECLARE_GLOBAL_DATA_PTR;
18
19 enum {
20 /* Default LCD size we support */
21 LCD_MAX_WIDTH = 1366,
22 LCD_MAX_HEIGHT = 768,
23 };
24
sandbox_sdl_probe(struct udevice * dev)25 static int sandbox_sdl_probe(struct udevice *dev)
26 {
27 struct video_uc_plat *uc_plat = dev_get_uclass_plat(dev);
28 struct sandbox_sdl_plat *plat = dev_get_plat(dev);
29 struct video_priv *uc_priv = dev_get_uclass_priv(dev);
30 struct sandbox_state *state = state_get_current();
31 int ret;
32
33 ret = sandbox_sdl_init_display(plat->xres, plat->yres, plat->bpix,
34 state->double_lcd);
35 if (ret) {
36 puts("LCD init failed\n");
37 return ret;
38 }
39 uc_priv->xsize = plat->xres;
40 uc_priv->ysize = plat->yres;
41 uc_priv->bpix = plat->bpix;
42 uc_priv->rot = plat->rot;
43 uc_priv->vidconsole_drv_name = plat->vidconsole_drv_name;
44 uc_priv->font_size = plat->font_size;
45 if (IS_ENABLED(CONFIG_VIDEO_COPY))
46 uc_plat->copy_base = uc_plat->base - uc_plat->size / 2;
47
48 return 0;
49 }
50
sandbox_sdl_bind(struct udevice * dev)51 static int sandbox_sdl_bind(struct udevice *dev)
52 {
53 struct video_uc_plat *uc_plat = dev_get_uclass_plat(dev);
54 struct sandbox_sdl_plat *plat = dev_get_plat(dev);
55 int ret = 0;
56
57 plat->xres = dev_read_u32_default(dev, "xres", LCD_MAX_WIDTH);
58 plat->yres = dev_read_u32_default(dev, "yres", LCD_MAX_HEIGHT);
59 plat->bpix = dev_read_u32_default(dev, "log2-depth", VIDEO_BPP16);
60 plat->rot = dev_read_u32_default(dev, "rotate", 0);
61 uc_plat->size = plat->xres * plat->yres * (1 << plat->bpix) / 8;
62
63 /* Allow space for two buffers, the lower one being the copy buffer */
64 log_debug("Frame buffer size %x\n", uc_plat->size);
65 if (IS_ENABLED(CONFIG_VIDEO_COPY))
66 uc_plat->size *= 2;
67
68 return ret;
69 }
70
71 static const struct udevice_id sandbox_sdl_ids[] = {
72 { .compatible = "sandbox,lcd-sdl" },
73 { }
74 };
75
76 U_BOOT_DRIVER(sandbox_lcd_sdl) = {
77 .name = "sandbox_lcd_sdl",
78 .id = UCLASS_VIDEO,
79 .of_match = sandbox_sdl_ids,
80 .bind = sandbox_sdl_bind,
81 .probe = sandbox_sdl_probe,
82 .plat_auto = sizeof(struct sandbox_sdl_plat),
83 };
84