1*13b2bfceSBin Meng /*
2*13b2bfceSBin Meng * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
3*13b2bfceSBin Meng *
4*13b2bfceSBin Meng * SPDX-License-Identifier: GPL-2.0+
5*13b2bfceSBin Meng */
6*13b2bfceSBin Meng
7*13b2bfceSBin Meng #include <common.h>
8*13b2bfceSBin Meng #include <dm.h>
9*13b2bfceSBin Meng #include <vbe.h>
10*13b2bfceSBin Meng #include <video.h>
11*13b2bfceSBin Meng #include <asm/arch/sysinfo.h>
12*13b2bfceSBin Meng
save_vesa_mode(struct cb_framebuffer * fb,struct vesa_mode_info * vesa)13*13b2bfceSBin Meng static int save_vesa_mode(struct cb_framebuffer *fb,
14*13b2bfceSBin Meng struct vesa_mode_info *vesa)
15*13b2bfceSBin Meng {
16*13b2bfceSBin Meng /*
17*13b2bfceSBin Meng * If there is no framebuffer structure, bail out and keep
18*13b2bfceSBin Meng * running on the serial console.
19*13b2bfceSBin Meng */
20*13b2bfceSBin Meng if (!fb)
21*13b2bfceSBin Meng return -ENXIO;
22*13b2bfceSBin Meng
23*13b2bfceSBin Meng vesa->x_resolution = fb->x_resolution;
24*13b2bfceSBin Meng vesa->y_resolution = fb->y_resolution;
25*13b2bfceSBin Meng vesa->bits_per_pixel = fb->bits_per_pixel;
26*13b2bfceSBin Meng vesa->bytes_per_scanline = fb->bytes_per_line;
27*13b2bfceSBin Meng vesa->phys_base_ptr = fb->physical_address;
28*13b2bfceSBin Meng vesa->red_mask_size = fb->red_mask_size;
29*13b2bfceSBin Meng vesa->red_mask_pos = fb->red_mask_pos;
30*13b2bfceSBin Meng vesa->green_mask_size = fb->green_mask_size;
31*13b2bfceSBin Meng vesa->green_mask_pos = fb->green_mask_pos;
32*13b2bfceSBin Meng vesa->blue_mask_size = fb->blue_mask_size;
33*13b2bfceSBin Meng vesa->blue_mask_pos = fb->blue_mask_pos;
34*13b2bfceSBin Meng vesa->reserved_mask_size = fb->reserved_mask_size;
35*13b2bfceSBin Meng vesa->reserved_mask_pos = fb->reserved_mask_pos;
36*13b2bfceSBin Meng
37*13b2bfceSBin Meng return 0;
38*13b2bfceSBin Meng }
39*13b2bfceSBin Meng
coreboot_video_probe(struct udevice * dev)40*13b2bfceSBin Meng static int coreboot_video_probe(struct udevice *dev)
41*13b2bfceSBin Meng {
42*13b2bfceSBin Meng struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
43*13b2bfceSBin Meng struct video_priv *uc_priv = dev_get_uclass_priv(dev);
44*13b2bfceSBin Meng struct cb_framebuffer *fb = lib_sysinfo.framebuffer;
45*13b2bfceSBin Meng struct vesa_mode_info *vesa = &mode_info.vesa;
46*13b2bfceSBin Meng int ret;
47*13b2bfceSBin Meng
48*13b2bfceSBin Meng printf("Video: ");
49*13b2bfceSBin Meng
50*13b2bfceSBin Meng /* Initialize vesa_mode_info structure */
51*13b2bfceSBin Meng ret = save_vesa_mode(fb, vesa);
52*13b2bfceSBin Meng if (ret)
53*13b2bfceSBin Meng goto err;
54*13b2bfceSBin Meng
55*13b2bfceSBin Meng ret = vbe_setup_video_priv(vesa, uc_priv, plat);
56*13b2bfceSBin Meng if (ret)
57*13b2bfceSBin Meng goto err;
58*13b2bfceSBin Meng
59*13b2bfceSBin Meng printf("%dx%dx%d\n", uc_priv->xsize, uc_priv->ysize,
60*13b2bfceSBin Meng vesa->bits_per_pixel);
61*13b2bfceSBin Meng
62*13b2bfceSBin Meng return 0;
63*13b2bfceSBin Meng
64*13b2bfceSBin Meng err:
65*13b2bfceSBin Meng printf("No video mode configured in coreboot!\n");
66*13b2bfceSBin Meng return ret;
67*13b2bfceSBin Meng }
68*13b2bfceSBin Meng
69*13b2bfceSBin Meng static const struct udevice_id coreboot_video_ids[] = {
70*13b2bfceSBin Meng { .compatible = "coreboot-fb" },
71*13b2bfceSBin Meng { }
72*13b2bfceSBin Meng };
73*13b2bfceSBin Meng
74*13b2bfceSBin Meng U_BOOT_DRIVER(coreboot_video) = {
75*13b2bfceSBin Meng .name = "coreboot_video",
76*13b2bfceSBin Meng .id = UCLASS_VIDEO,
77*13b2bfceSBin Meng .of_match = coreboot_video_ids,
78*13b2bfceSBin Meng .probe = coreboot_video_probe,
79*13b2bfceSBin Meng };
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