| Message ID | 1416023805-9297-9-git-send-email-sjg@chromium.org |
|---|---|
| State | Accepted |
| Delegated to: | Simon Glass |
| Headers | show |
Hi Simon, On Fri, 14 Nov 2014 20:56:34 -0700 Simon Glass <sjg@chromium.org> wrote: > Add a very simple driver which uses vesa to discover the video mode and > then provides a frame buffer for use by U-Boot. > > Signed-off-by: Simon Glass <sjg@chromium.org> > --- > > drivers/video/Makefile | 1 + > drivers/video/x86_fb.c | 37 +++++++++++++++++++++++++++++++++++++ > include/video_fb.h | 2 +- > 3 files changed, 39 insertions(+), 1 deletion(-) > create mode 100644 drivers/video/x86_fb.c Acked-by: Anatolij Gustschin <agust@denx.de> Thanks, Anatolij
On 15 November 2014 at 00:26, Anatolij Gustschin <agust@denx.de> wrote: > Hi Simon, > > On Fri, 14 Nov 2014 20:56:34 -0700 > Simon Glass <sjg@chromium.org> wrote: > >> Add a very simple driver which uses vesa to discover the video mode and >> then provides a frame buffer for use by U-Boot. >> >> Signed-off-by: Simon Glass <sjg@chromium.org> >> --- >> >> drivers/video/Makefile | 1 + >> drivers/video/x86_fb.c | 37 +++++++++++++++++++++++++++++++++++++ >> include/video_fb.h | 2 +- >> 3 files changed, 39 insertions(+), 1 deletion(-) >> create mode 100644 drivers/video/x86_fb.c > > Acked-by: Anatolij Gustschin <agust@denx.de> > > Thanks, > > Anatolij I had to move the video_fh.h change to the previous patch to maintain bisectability. Applied to u-boot-x86.
diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 14a6781..000f389 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -41,6 +41,7 @@ obj-$(CONFIG_VIDEO_SM501) += sm501.o obj-$(CONFIG_VIDEO_SMI_LYNXEM) += smiLynxEM.o videomodes.o obj-$(CONFIG_VIDEO_TEGRA) += tegra.o obj-$(CONFIG_VIDEO_VCXK) += bus_vcxk.o +obj-$(CONFIG_VIDEO_X86) += x86_fb.o obj-$(CONFIG_FORMIKE) += formike.o obj-$(CONFIG_AM335X_LCD) += am335x-fb.o obj-$(CONFIG_VIDEO_PARADE) += parade.o diff --git a/drivers/video/x86_fb.c b/drivers/video/x86_fb.c new file mode 100644 index 0000000..8743a8c --- /dev/null +++ b/drivers/video/x86_fb.c @@ -0,0 +1,37 @@ +/* + * + * Vesa frame buffer driver for x86 + * + * Copyright (C) 2014 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <video_fb.h> +#include <vbe.h> +#include "videomodes.h" + +/* + * The Graphic Device + */ +GraphicDevice ctfb; + +void *video_hw_init(void) +{ + GraphicDevice *gdev = &ctfb; + int bits_per_pixel; + + printf("Video: "); + 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); + + return (void *)gdev; +} diff --git a/include/video_fb.h b/include/video_fb.h index 6cd4e37..55ec24d 100644 --- a/include/video_fb.h +++ b/include/video_fb.h @@ -40,7 +40,7 @@ /* Export Graphic Driver Control */ /******************************************************************************/ -typedef struct { +typedef struct graphic_device { unsigned int isaBase; unsigned int pciBase; unsigned int dprBase;
Add a very simple driver which uses vesa to discover the video mode and then provides a frame buffer for use by U-Boot. Signed-off-by: Simon Glass <sjg@chromium.org> --- drivers/video/Makefile | 1 + drivers/video/x86_fb.c | 37 +++++++++++++++++++++++++++++++++++++ include/video_fb.h | 2 +- 3 files changed, 39 insertions(+), 1 deletion(-) create mode 100644 drivers/video/x86_fb.c