#
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# Video configuration
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#
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menu "Graphics support"
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config DM_VIDEO
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bool "Enable driver model support for LCD/video"
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depends on DM
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help
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This enables driver model for LCD and video devices. These support
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a bitmap display of various sizes and depths which can be drawn on
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to display a command-line console or splash screen. Enabling this
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option compiles in the video uclass and routes all LCD/video access
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through this.
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config BACKLIGHT_PWM
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bool "Generic PWM based Backlight Driver"
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depends on DM_VIDEO && DM_PWM
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default y
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help
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If you have a LCD backlight adjustable by PWM, say Y to enable
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this driver.
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This driver can be use with "simple-panel" and
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it understands the standard device tree
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(leds/backlight/pwm-backlight.txt)
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config BACKLIGHT_GPIO
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bool "Generic GPIO based Backlight Driver"
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depends on DM_VIDEO
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help
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If you have a LCD backlight adjustable by GPIO, say Y to enable
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this driver.
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This driver can be used with "simple-panel" and
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it understands the standard device tree
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(leds/backlight/gpio-backlight.txt)
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config VIDEO_BPP8
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bool "Support 8-bit-per-pixel displays"
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depends on DM_VIDEO
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default y if DM_VIDEO
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help
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Support drawing text and bitmaps onto a 8-bit-per-pixel display.
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Enabling this will include code to support this display. Without
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this option, such displays will not be supported and console output
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will be empty.
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config VIDEO_BPP16
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bool "Support 16-bit-per-pixel displays"
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depends on DM_VIDEO
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default y if DM_VIDEO
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help
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Support drawing text and bitmaps onto a 16-bit-per-pixel display.
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Enabling this will include code to support this display. Without
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this option, such displays will not be supported and console output
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will be empty.
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config VIDEO_BPP32
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bool "Support 32-bit-per-pixel displays"
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depends on DM_VIDEO
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default y if DM_VIDEO
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help
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Support drawing text and bitmaps onto a 32-bit-per-pixel display.
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Enabling this will include code to support this display. Without
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this option, such displays will not be supported and console output
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will be empty.
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config CONSOLE_NORMAL
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bool "Support a simple text console"
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depends on DM_VIDEO
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default y if DM_VIDEO
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help
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Support drawing text on the frame buffer console so that it can be
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used as a console. Rotation is not supported by this driver (see
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CONFIG_CONSOLE_ROTATION for that). A built-in 8x16 font is used
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for the display.
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config CONSOLE_ROTATION
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bool "Support rotated displays"
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depends on DM_VIDEO
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help
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Sometimes, for example if the display is mounted in portrait
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mode or even if it's mounted landscape but rotated by 180degree,
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we need to rotate our content of the display relative to the
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framebuffer, so that user can read the messages which are
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printed out. Enable this option to include a text driver which can
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support this. The rotation is set by the 'rot' parameter in
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struct video_priv: 0=unrotated, 1=90 degrees clockwise, 2=180
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degrees, 3=270 degrees.
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config CONSOLE_TRUETYPE
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bool "Support a console that uses TrueType fonts"
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depends on DM_VIDEO
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help
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TrueTrype fonts can provide outline-drawing capability rather than
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needing to provide a bitmap for each font and size that is needed.
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With this option you can adjust the text size and use a variety of
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fonts. Note that this is noticeably slower than with normal console.
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config CONSOLE_TRUETYPE_SIZE
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int "TrueType font size"
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depends on CONSOLE_TRUETYPE
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default 18
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help
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This sets the font size for the console. The size is measured in
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pixels and is the nominal height of a character. Note that fonts
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are commonly measured in 'points', being 1/72 inch (about 3.52mm).
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However that measurement depends on the size of your display and
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there is no standard display density. At present there is not a
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method to select the display's physical size, which would allow
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U-Boot to calculate the correct font size.
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config SYS_WHITE_ON_BLACK
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bool "Display console as white on a black background"
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default y if ARCH_AT91 || ARCH_EXYNOS || ARCH_ROCKCHIP || TEGRA || X86
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help
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Normally the display is black on a white background, Enable this
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option to invert this, i.e. white on a black background. This can be
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better in low-light situations or to reduce eye strain in some
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cases.
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source "drivers/video/fonts/Kconfig"
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config VIDCONSOLE_AS_LCD
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bool "Use 'vidconsole' when 'lcd' is seen in stdout"
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depends on DM_VIDEO
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help
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This is a work-around for boards which have 'lcd' in their stdout
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environment variable, but have moved to use driver model for video.
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In this case the console will no-longer work. While it is possible
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to update the environment, the breakage may be confusing for users.
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This option will be removed around the end of 2016.
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config VIDEO_COREBOOT
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bool "Enable coreboot framebuffer driver support"
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depends on X86 && SYS_COREBOOT
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help
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Turn on this option to enable a framebuffer driver when U-Boot is
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loaded by coreboot where the graphics device is configured by
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coreboot already. This can in principle be used with any platform
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that coreboot supports.
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config VIDEO_VESA
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bool "Enable VESA video driver support"
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default n
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help
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Turn on this option to enable a very simple driver which uses vesa
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to discover the video mode and then provides a frame buffer for use
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by U-Boot. This can in principle be used with any platform that
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supports PCI and video cards that support VESA BIOS Extension (VBE).
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config FRAMEBUFFER_SET_VESA_MODE
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bool "Set framebuffer graphics resolution"
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depends on VIDEO_VESA || VIDEO_BROADWELL_IGD
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help
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Set VESA/native framebuffer mode (needed for bootsplash and graphical
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framebuffer console)
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choice
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prompt "framebuffer graphics resolution"
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default FRAMEBUFFER_VESA_MODE_117
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depends on FRAMEBUFFER_SET_VESA_MODE
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help
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This option sets the resolution used for the U-Boot framebuffer (and
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bootsplash screen).
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config FRAMEBUFFER_VESA_MODE_100
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bool "640x400 256-color"
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config FRAMEBUFFER_VESA_MODE_101
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bool "640x480 256-color"
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config FRAMEBUFFER_VESA_MODE_102
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bool "800x600 16-color"
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config FRAMEBUFFER_VESA_MODE_103
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bool "800x600 256-color"
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config FRAMEBUFFER_VESA_MODE_104
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bool "1024x768 16-color"
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config FRAMEBUFFER_VESA_MODE_105
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bool "1024x768 256-color"
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config FRAMEBUFFER_VESA_MODE_106
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bool "1280x1024 16-color"
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config FRAMEBUFFER_VESA_MODE_107
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bool "1280x1024 256-color"
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config FRAMEBUFFER_VESA_MODE_108
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bool "80x60 text"
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config FRAMEBUFFER_VESA_MODE_109
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bool "132x25 text"
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config FRAMEBUFFER_VESA_MODE_10A
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bool "132x43 text"
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config FRAMEBUFFER_VESA_MODE_10B
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bool "132x50 text"
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config FRAMEBUFFER_VESA_MODE_10C
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bool "132x60 text"
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config FRAMEBUFFER_VESA_MODE_10D
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bool "320x200 32k-color (1:5:5:5)"
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config FRAMEBUFFER_VESA_MODE_10E
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bool "320x200 64k-color (5:6:5)"
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config FRAMEBUFFER_VESA_MODE_10F
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bool "320x200 16.8M-color (8:8:8)"
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config FRAMEBUFFER_VESA_MODE_110
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bool "640x480 32k-color (1:5:5:5)"
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config FRAMEBUFFER_VESA_MODE_111
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bool "640x480 64k-color (5:6:5)"
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config FRAMEBUFFER_VESA_MODE_112
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bool "640x480 16.8M-color (8:8:8)"
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config FRAMEBUFFER_VESA_MODE_113
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bool "800x600 32k-color (1:5:5:5)"
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config FRAMEBUFFER_VESA_MODE_114
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bool "800x600 64k-color (5:6:5)"
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config FRAMEBUFFER_VESA_MODE_115
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bool "800x600 16.8M-color (8:8:8)"
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config FRAMEBUFFER_VESA_MODE_116
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bool "1024x768 32k-color (1:5:5:5)"
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config FRAMEBUFFER_VESA_MODE_117
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bool "1024x768 64k-color (5:6:5)"
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config FRAMEBUFFER_VESA_MODE_118
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bool "1024x768 16.8M-color (8:8:8)"
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config FRAMEBUFFER_VESA_MODE_119
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bool "1280x1024 32k-color (1:5:5:5)"
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config FRAMEBUFFER_VESA_MODE_11A
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bool "1280x1024 64k-color (5:6:5)"
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config FRAMEBUFFER_VESA_MODE_11B
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bool "1280x1024 16.8M-color (8:8:8)"
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config FRAMEBUFFER_VESA_MODE_USER
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bool "Manually select VESA mode"
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endchoice
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# Map the config names to an integer (KB).
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config FRAMEBUFFER_VESA_MODE
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prompt "VESA mode" if FRAMEBUFFER_VESA_MODE_USER
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hex
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default 0x100 if FRAMEBUFFER_VESA_MODE_100
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default 0x101 if FRAMEBUFFER_VESA_MODE_101
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default 0x102 if FRAMEBUFFER_VESA_MODE_102
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default 0x103 if FRAMEBUFFER_VESA_MODE_103
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default 0x104 if FRAMEBUFFER_VESA_MODE_104
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default 0x105 if FRAMEBUFFER_VESA_MODE_105
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default 0x106 if FRAMEBUFFER_VESA_MODE_106
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default 0x107 if FRAMEBUFFER_VESA_MODE_107
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default 0x108 if FRAMEBUFFER_VESA_MODE_108
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default 0x109 if FRAMEBUFFER_VESA_MODE_109
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default 0x10A if FRAMEBUFFER_VESA_MODE_10A
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default 0x10B if FRAMEBUFFER_VESA_MODE_10B
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default 0x10C if FRAMEBUFFER_VESA_MODE_10C
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default 0x10D if FRAMEBUFFER_VESA_MODE_10D
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default 0x10E if FRAMEBUFFER_VESA_MODE_10E
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default 0x10F if FRAMEBUFFER_VESA_MODE_10F
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default 0x110 if FRAMEBUFFER_VESA_MODE_110
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default 0x111 if FRAMEBUFFER_VESA_MODE_111
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default 0x112 if FRAMEBUFFER_VESA_MODE_112
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default 0x113 if FRAMEBUFFER_VESA_MODE_113
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default 0x114 if FRAMEBUFFER_VESA_MODE_114
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default 0x115 if FRAMEBUFFER_VESA_MODE_115
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default 0x116 if FRAMEBUFFER_VESA_MODE_116
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default 0x117 if FRAMEBUFFER_VESA_MODE_117
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default 0x118 if FRAMEBUFFER_VESA_MODE_118
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default 0x119 if FRAMEBUFFER_VESA_MODE_119
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default 0x11A if FRAMEBUFFER_VESA_MODE_11A
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default 0x11B if FRAMEBUFFER_VESA_MODE_11B
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default 0x117 if FRAMEBUFFER_VESA_MODE_USER
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config VIDEO_LCD_ANX9804
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bool "ANX9804 bridge chip"
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default n
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---help---
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Support for the ANX9804 bridge chip, which can take pixel data coming
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from a parallel LCD interface and translate it on the fy into a DP
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interface for driving eDP TFT displays. It uses I2C for configuration.
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config VIDEO_LCD_SSD2828
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bool "SSD2828 bridge chip"
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default n
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---help---
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Support for the SSD2828 bridge chip, which can take pixel data coming
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from a parallel LCD interface and translate it on the fly into MIPI DSI
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interface for driving a MIPI compatible LCD panel. It uses SPI for
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configuration.
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config VIDEO_LCD_SSD2828_TX_CLK
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int "SSD2828 TX_CLK frequency (in MHz)"
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depends on VIDEO_LCD_SSD2828
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default 0
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---help---
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The frequency of the crystal, which is clocking SSD2828. It may be
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anything in the 8MHz-30MHz range and the exact value should be
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retrieved from the board schematics. Or in the case of Allwinner
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hardware, it can be usually found as 'lcd_xtal_freq' variable in
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FEX files. It can be also set to 0 for selecting PCLK from the
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parallel LCD interface instead of TX_CLK as the PLL clock source.
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config VIDEO_LCD_SSD2828_RESET
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string "RESET pin of SSD2828"
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depends on VIDEO_LCD_SSD2828
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default ""
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---help---
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The reset pin of SSD2828 chip. This takes a string in the format
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understood by 'name_to_gpio' function, e.g. PH1 for pin 1 of port H.
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config VIDEO_LCD_HITACHI_TX18D42VM
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bool "Hitachi tx18d42vm LVDS LCD panel support"
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depends on VIDEO
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default n
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---help---
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Support for Hitachi tx18d42vm LVDS LCD panels, these panels have a
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lcd controller which needs to be initialized over SPI, once that is
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done they work like a regular LVDS panel.
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config VIDEO_LCD_SPI_CS
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string "SPI CS pin for LCD related config job"
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depends on VIDEO_LCD_SSD2828 || VIDEO_LCD_HITACHI_TX18D42VM
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default ""
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---help---
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This is one of the SPI communication pins, involved in setting up a
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working LCD configuration. The exact role of SPI may differ for
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different hardware setups. The option takes a string in the format
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understood by 'name_to_gpio' function, e.g. PH1 for pin 1 of port H.
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config VIDEO_LCD_SPI_SCLK
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string "SPI SCLK pin for LCD related config job"
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depends on VIDEO_LCD_SSD2828 || VIDEO_LCD_HITACHI_TX18D42VM
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default ""
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---help---
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This is one of the SPI communication pins, involved in setting up a
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working LCD configuration. The exact role of SPI may differ for
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different hardware setups. The option takes a string in the format
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understood by 'name_to_gpio' function, e.g. PH1 for pin 1 of port H.
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config VIDEO_LCD_SPI_MOSI
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string "SPI MOSI pin for LCD related config job"
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depends on VIDEO_LCD_SSD2828 || VIDEO_LCD_HITACHI_TX18D42VM
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default ""
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---help---
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This is one of the SPI communication pins, involved in setting up a
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working LCD configuration. The exact role of SPI may differ for
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different hardware setups. The option takes a string in the format
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understood by 'name_to_gpio' function, e.g. PH1 for pin 1 of port H.
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config VIDEO_LCD_SPI_MISO
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string "SPI MISO pin for LCD related config job (optional)"
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depends on VIDEO_LCD_SSD2828
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default ""
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---help---
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This is one of the SPI communication pins, involved in setting up a
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working LCD configuration. The exact role of SPI may differ for
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different hardware setups. If wired up, this pin may provide additional
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useful functionality. Such as bi-directional communication with the
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hardware and LCD panel id retrieval (if the panel can report it). The
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option takes a string in the format understood by 'name_to_gpio'
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function, e.g. PH1 for pin 1 of port H.
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config VIDEO_MVEBU
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bool "Armada XP LCD controller"
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default n
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---help---
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Support for the LCD controller integrated in the Marvell
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Armada XP SoC.
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config I2C_EDID
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bool "Enable EDID library"
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depends on DM_I2C
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default n
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help
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This enables library for accessing EDID data from an LCD panel.
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config DISPLAY
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bool "Enable Display support"
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depends on DM
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default n
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select I2C_EDID
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help
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This supports drivers that provide a display, such as eDP (Embedded
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DisplayPort) and HDMI (High Definition Multimedia Interface).
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The devices provide a simple interface to start up the display,
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read display information and enable it.
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config ATMEL_HLCD
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bool "Enable ATMEL video support using HLCDC"
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depends on DM_VIDEO
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help
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HLCDC supports video output to an attached LCD panel.
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config VIDEO_BROADWELL_IGD
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bool "Enable Intel Broadwell integrated graphics device"
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depends on X86
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help
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This enables support for integrated graphics on Intel broadwell
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devices. Initialisation is mostly performed by a VGA boot ROM, with
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some setup handled by U-Boot itself. The graphics adaptor works as
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a VESA device and supports LCD panels, eDP and LVDS outputs.
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Configuration of most aspects of device operation is performed using
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a special tool which configures the VGA ROM, but the graphics
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resolution can be selected in U-Boot.
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config VIDEO_IVYBRIDGE_IGD
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bool "Enable Intel Ivybridge integration graphics support"
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depends on X86
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help
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This enables support for integrated graphics on Intel ivybridge
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devices. Initialisation is mostly performed by a VGA boot ROM, with
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some setup handled by U-Boot itself. The graphics adaptor works as
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a VESA device and supports LCD panels, eDP and LVDS outputs.
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Configuration of most aspects of device operation is performed using
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a special tool which configures the VGA ROM, but the graphics
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resolution can be selected in U-Boot.
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config VIDEO_FSL_DCU_FB
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bool "Enable Freescale Display Control Unit"
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depends on VIDEO
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help
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This enables support for Freescale Display Control Unit (DCU4)
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module found on Freescale Vybrid and QorIQ family of SoCs.
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config VIDEO_FSL_DCU_MAX_FB_SIZE_MB
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int "Freescale DCU framebuffer size"
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depends on VIDEO_FSL_DCU_FB
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default 4194304
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help
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Set maximum framebuffer size to be used for Freescale Display
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Controller Unit (DCU4).
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source "drivers/video/rockchip/Kconfig"
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source "drivers/video/drm/Kconfig"
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config VIDEO_SANDBOX_SDL
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bool "Enable sandbox video console using SDL"
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depends on SANDBOX
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help
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When using sandbox you can enable an emulated LCD display which
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appears as an SDL (Simple DirectMedia Layer) window. This is a
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console device and can display stdout output. Within U-Boot is is
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a normal bitmap display and can display images as well as text.
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config VIDEO_TEGRA20
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bool "Enable LCD support on Tegra20"
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depends on OF_CONTROL
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help
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Tegra20 supports video output to an attached LCD panel as well as
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other options such as HDMI. Only the LCD is supported in U-Boot.
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This option enables this support which can be used on devices which
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have an LCD display connected.
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config VIDEO_TEGRA124
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bool "Enable video support on Tegra124"
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depends on DM_VIDEO
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help
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Tegra124 supports many video output options including eDP and
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HDMI. At present only eDP is supported by U-Boot. This option
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enables this support which can be used on devices which
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have an eDP display connected.
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source "drivers/video/bridge/Kconfig"
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config VIDEO
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bool "Enable legacy video support"
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depends on !DM_VIDEO
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help
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Define this for video support, without using driver model. Some
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drivers use this because they are not yet converted to driver
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model. Video drivers typically provide a colour text console and
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cursor.
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config VIDEO_IPUV3
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bool "i.MX IPUv3 Core video support"
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depends on VIDEO && MX6
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help
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This enables framebuffer driver for i.MX processors working
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on the IPUv3(Image Processing Unit) internal graphic processor.
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config CFB_CONSOLE
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bool "Enable colour frame buffer console"
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depends on VIDEO
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default y if VIDEO
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help
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Enables the colour frame buffer driver. This supports colour
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output on a bitmap display from an in-memory frame buffer.
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Several colour devices are supported along with various options to
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adjust the supported features. The driver is implemented in
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cfb_console.c
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The following defines are needed (cf. smiLynxEM, i8042)
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VIDEO_FB_LITTLE_ENDIAN graphic memory organisation
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(default big endian)
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VIDEO_HW_RECTFILL graphic chip supports
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rectangle fill (cf. smiLynxEM)
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VIDEO_HW_BITBLT graphic chip supports
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bit-blit (cf. smiLynxEM)
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VIDEO_VISIBLE_COLS visible pixel columns (cols=pitch)
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VIDEO_VISIBLE_ROWS visible pixel rows
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VIDEO_PIXEL_SIZE bytes per pixel
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VIDEO_DATA_FORMAT graphic data format
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(0-5, cf. cfb_console.c)
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VIDEO_FB_ADRS framebuffer address
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VIDEO_KBD_INIT_FCT keyboard int fct (i.e. rx51_kp_init())
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VIDEO_TSTC_FCT test char fct (i.e. rx51_kp_tstc)
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VIDEO_GETC_FCT get char fct (i.e. rx51_kp_getc)
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CONFIG_VIDEO_LOGO display Linux logo in upper left corner
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CONFIG_VIDEO_BMP_LOGO use bmp_logo.h instead of linux_logo.h
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for logo. Requires CONFIG_VIDEO_LOGO
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CONFIG_CONSOLE_EXTRA_INFO
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additional board info beside
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the logo
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CONFIG_HIDE_LOGO_VERSION
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do not display bootloader
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version string
|
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When CONFIG_CFB_CONSOLE is defined, the video console is the
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default console. The serial console can be forced by setting the
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environment 'console=serial'.
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config CFB_CONSOLE_ANSI
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bool "Support ANSI escape sequences"
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depends on CFB_CONSOLE
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help
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This allows the colour buffer frame buffer driver to support
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a limited number of ANSI escape sequences (cursor control,
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erase functions and limited graphics rendition control). Normal
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output from U-Boot will pass through this filter.
|
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config VGA_AS_SINGLE_DEVICE
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bool "Set the video as an output-only device"
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depends on CFB_CONSOLE
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default y
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help
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If enable the framebuffer device will be initialized as an
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output-only device. The Keyboard driver will not be set up. This
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may be used if you have no keyboard device, or more than one
|
(USB Keyboard, AT Keyboard).
|
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config VIDEO_SW_CURSOR
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bool "Enable a software cursor"
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depends on CFB_CONSOLE
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default y if CFB_CONSOLE
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help
|
This draws a cursor after the last character. No blinking is
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provided. This makes it possible to see the current cursor
|
position when entering text on the console. It is recommended to
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enable this.
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config CONSOLE_EXTRA_INFO
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bool "Display additional board information"
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depends on CFB_CONSOLE
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help
|
Display additional board information strings that normally go to
|
the serial port. When this option is enabled, a board-specific
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function video_get_info_str() is called to get the string for
|
each line of the display. The function should return the string,
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which can be empty if there is nothing to display for that line.
|
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config CONSOLE_SCROLL_LINES
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int "Number of lines to scroll the console by"
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depends on CFB_CONSOLE || DM_VIDEO || LCD
|
default 1
|
help
|
When the console need to be scrolled, this is the number of
|
lines to scroll by. It defaults to 1. Increasing this makes the
|
console jump but can help speed up operation when scrolling
|
is slow.
|
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config SYS_CONSOLE_BG_COL
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hex "Background colour"
|
depends on CFB_CONSOLE
|
default 0x00
|
help
|
Defines the background colour for the console. The value is from
|
0x00 to 0xff and the meaning depends on the graphics card.
|
Typically, 0x00 means black and 0xff means white. Do not set
|
the background and foreground to the same colour or you will see
|
nothing.
|
|
config SYS_CONSOLE_FG_COL
|
hex "Foreground colour"
|
depends on CFB_CONSOLE
|
default 0xa0
|
help
|
Defines the foreground colour for the console. The value is from
|
0x00 to 0xff and the meaning depends on the graphics card.
|
Typically, 0x00 means black and 0xff means white. Do not set
|
the background and foreground to the same colour or you will see
|
nothing.
|
|
config LCD
|
bool "Enable legacy LCD support"
|
help
|
Define this to enable LCD support (for output to LCD display).
|
You will also need to select an LCD driver using an additional
|
CONFIG option. See the README for details. Drives which have been
|
converted to driver model will instead used CONFIG_DM_VIDEO.
|
|
config VIDEO_DW_HDMI
|
bool
|
help
|
Enables the common driver code for the Designware HDMI TX
|
block found in SoCs from various vendors.
|
As this does not provide any functionality by itself (but
|
rather requires a SoC-specific glue driver to call it), it
|
can not be enabled from the configuration menu.
|
|
config ROCKCHIP_EINK
|
bool "enable rockchip eink driver"
|
help
|
Enable rockchip eink driver
|
source "drivers/video/rk_eink/Kconfig"
|
endmenu
|
