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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
- */
- #include <common.h>
- #include <dm.h>
- #include <vbe.h>
- #include <video.h>
- #include <asm/arch/sysinfo.h>
- static int save_vesa_mode(struct cb_framebuffer *fb,
- struct vesa_mode_info *vesa)
- {
- /*
- * If there is no framebuffer structure, bail out and keep
- * running on the serial console.
- */
- if (!fb)
- return -ENXIO;
- vesa->x_resolution = fb->x_resolution;
- vesa->y_resolution = fb->y_resolution;
- vesa->bits_per_pixel = fb->bits_per_pixel;
- vesa->bytes_per_scanline = fb->bytes_per_line;
- vesa->phys_base_ptr = fb->physical_address;
- vesa->red_mask_size = fb->red_mask_size;
- vesa->red_mask_pos = fb->red_mask_pos;
- vesa->green_mask_size = fb->green_mask_size;
- vesa->green_mask_pos = fb->green_mask_pos;
- vesa->blue_mask_size = fb->blue_mask_size;
- vesa->blue_mask_pos = fb->blue_mask_pos;
- vesa->reserved_mask_size = fb->reserved_mask_size;
- vesa->reserved_mask_pos = fb->reserved_mask_pos;
- return 0;
- }
- static int coreboot_video_probe(struct udevice *dev)
- {
- struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
- struct video_priv *uc_priv = dev_get_uclass_priv(dev);
- struct cb_framebuffer *fb = lib_sysinfo.framebuffer;
- struct vesa_mode_info *vesa = &mode_info.vesa;
- int ret;
- printf("Video: ");
- /* Initialize vesa_mode_info structure */
- ret = save_vesa_mode(fb, vesa);
- if (ret)
- goto err;
- ret = vbe_setup_video_priv(vesa, uc_priv, plat);
- if (ret)
- goto err;
- printf("%dx%dx%d\n", uc_priv->xsize, uc_priv->ysize,
- vesa->bits_per_pixel);
- return 0;
- err:
- printf("No video mode configured in coreboot!\n");
- return ret;
- }
- static const struct udevice_id coreboot_video_ids[] = {
- { .compatible = "coreboot-fb" },
- { }
- };
- U_BOOT_DRIVER(coreboot_video) = {
- .name = "coreboot_video",
- .id = UCLASS_VIDEO,
- .of_match = coreboot_video_ids,
- .probe = coreboot_video_probe,
- };
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