Add a driver intended to cope with any VESA-compatible x86 graphics
adapter. It will not support ROMs which use OpenFirmware (Forth) since
there is no support for that in U-Boot. This means that MAC OS cards
will not work.
Signed-off-by: Simon Glass <s...@chromium.org>
---
drivers/video/Makefile | 1 +
drivers/video/vesa_fb.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 65 insertions(+)
create mode 100644 drivers/video/vesa_fb.c
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 975d136..91c954f 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -46,6 +46,7 @@ obj-$(CONFIG_VIDEO_SMI_LYNXEM) += smiLynxEM.o videomodes.o
obj-$(CONFIG_VIDEO_SUNXI) += sunxi_display.o
obj-$(CONFIG_VIDEO_TEGRA) += tegra.o
obj-$(CONFIG_VIDEO_VCXK) += bus_vcxk.o
+obj-$(CONFIG_VIDEO_VESA) += vesa_fb.o
obj-$(CONFIG_VIDEO_X86) += x86_fb.o
obj-$(CONFIG_FORMIKE) += formike.o
obj-$(CONFIG_AM335X_LCD) += am335x-fb.o
diff --git a/drivers/video/vesa_fb.c b/drivers/video/vesa_fb.c
new file mode 100644
index 0000000..3dacafd
--- /dev/null
+++ b/drivers/video/vesa_fb.c
@@ -0,0 +1,64 @@
+/*
+ *
+ * Vesa frame buffer driver for x86
+ *
+ * Copyright (C) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <pci_rom.h>
+#include <video_fb.h>
+#include <vbe.h>
+
+/*
+ * The Graphic Device
+ */
+GraphicDevice ctfb;
+
+/* Devices to allow - only the last one works fully */
+struct pci_device_id vesa_video_ids[] = {
+ { .vendor = 0x102b, .device = 0x0525 },
+ { .vendor = 0x1002, .device = 0x5159 },
+ { .vendor = 0x1002, .device = 0x4752 },
+ { .vendor = 0x1002, .device = 0x5452 },
+ {},
+};
+
+void *video_hw_init(void)
+{
+ GraphicDevice *gdev = &ctfb;
+ int bits_per_pixel;
+ pci_dev_t dev;
+ int ret;
+
+ printf("Video: ");
+ if (vbe_get_video_info(gdev)) {
+ /* TODO: Should we look these up by class? */
+ dev = pci_find_devices(vesa_video_ids, 0);
+ if (dev == -1) {
+ printf("no card detected\n");
+ return NULL;
+ }
+ printf("bdf %x\n", dev);
+ ret = pci_run_vga_bios(dev, NULL, true);
+ if (ret) {
+ printf("failed to run video BIOS: %d\n", ret);
+ return NULL;
+ }
+ }
+
+ if (vbe_get_video_info(gdev)) {
+ printf("No video mode configured\n");
+ return NULL;
+ }
+
+ bits_per_pixel = gdev->gdfBytesPP * 8;
+ sprintf(gdev->modeIdent, "%dx%dx%d", gdev->winSizeX, gdev->winSizeY,
+ bits_per_pixel);
+ printf("%s\n", gdev->modeIdent);
+ debug("Framex buffer at %x\n", gdev->pciBase);
+
+ return (void *)gdev;
+}
--
2.2.0.rc0.207.ga3a616c
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