[u-boot.git] / drivers / video / vesa.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2016, Bin Meng <[email protected]>
 */

#include <dm.h>
#include <log.h>
#include <pci.h>
#include <vesa.h>
#include <video.h>
#include <asm/mtrr.h>

static int vesa_video_probe(struct udevice *dev)
{
	struct video_uc_plat *plat = dev_get_uclass_plat(dev);
	ulong fbbase;
	int ret;

	ret = vesa_setup_video(dev, NULL);
	if (ret)
		return log_ret(ret);

	/* Use write-combining for the graphics memory, 256MB */
	fbbase = IS_ENABLED(CONFIG_VIDEO_COPY) ? plat->copy_base : plat->base;
	mtrr_set_next_var(MTRR_TYPE_WRCOMB, fbbase, 256 << 20);

	return 0;
}

static int vesa_video_bind(struct udevice *dev)
{
	struct video_uc_plat *uc_plat = dev_get_uclass_plat(dev);

	/* Set the maximum supported resolution */
	uc_plat->size = 2560 * 1600 * 4;
	log_debug("%s: Frame buffer size %x\n", __func__, uc_plat->size);

	return 0;
}

static const struct udevice_id vesa_video_ids[] = {
	{ .compatible = "vesa-fb" },
	{ }
};

U_BOOT_DRIVER(vesa_video) = {
	.name	= "vesa_video",
	.id	= UCLASS_VIDEO,
	.of_match = vesa_video_ids,
	.bind	= vesa_video_bind,
	.probe	= vesa_video_probe,
};

static struct pci_device_id vesa_video_supported[] = {
	{ PCI_DEVICE_CLASS(PCI_CLASS_DISPLAY_VGA << 8, ~0) },
	{ },
};

U_BOOT_PCI_DEVICE(vesa_video, vesa_video_supported);
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
02c57abd BM	2	/*
02c57abd BM	3	* Copyright (C) 2016, Bin Meng <[email protected]>
02c57abd BM	4	*/
02c57abd BM	5
02c57abd	6	#include <dm.h>
6c74ee30	7	#include <log.h>
02c57abd	8	#include <pci.h>
cafe8712	9	#include <vesa.h>
6c74ee30 SG	10	#include <video.h>
6c74ee30 SG	11	#include <asm/mtrr.h>
02c57abd BM	12
	13	static int vesa_video_probe(struct udevice *dev)
	14	{
8a8d24bd	15	struct video_uc_plat *plat = dev_get_uclass_plat(dev);
6c74ee30 SG	16	ulong fbbase;
	17	int ret;
	18
da62e1e8	19	ret = vesa_setup_video(dev, NULL);
6c74ee30 SG	20	if (ret)
	21	return log_ret(ret);
	22
	23	/* Use write-combining for the graphics memory, 256MB */
	24	fbbase = IS_ENABLED(CONFIG_VIDEO_COPY) ? plat->copy_base : plat->base;
bff002d4	25	mtrr_set_next_var(MTRR_TYPE_WRCOMB, fbbase, 256 << 20);
6c74ee30 SG	26
	27	return 0;
	28	}
	29
	30	static int vesa_video_bind(struct udevice *dev)
	31	{
8a8d24bd	32	struct video_uc_plat *uc_plat = dev_get_uclass_plat(dev);
6c74ee30 SG	33
	34	/* Set the maximum supported resolution */
	35	uc_plat->size = 2560 * 1600 * 4;
	36	log_debug("%s: Frame buffer size %x\n", __func__, uc_plat->size);
	37
	38	return 0;
02c57abd BM	39	}
	40
	41	static const struct udevice_id vesa_video_ids[] = {
	42	{ .compatible = "vesa-fb" },
	43	{ }
	44	};
	45
	46	U_BOOT_DRIVER(vesa_video) = {
	47	.name = "vesa_video",
	48	.id = UCLASS_VIDEO,
	49	.of_match = vesa_video_ids,
6c74ee30	50	.bind = vesa_video_bind,
02c57abd BM	51	.probe = vesa_video_probe,
	52	};
	53
	54	static struct pci_device_id vesa_video_supported[] = {
	55	{ PCI_DEVICE_CLASS(PCI_CLASS_DISPLAY_VGA << 8, ~0) },
	56	{ },
	57	};
	58
	59	U_BOOT_PCI_DEVICE(vesa_video, vesa_video_supported);