f5920969fb
Make a "menuconfig" out of the Kconfig objects "menu, ..., endmenu", so that the user can disable all the options in that menu at once instead of having to disable each option separately. Signed-off-by: Jan Engelhardt <jengelh@gmx.de> Acked-by: Miguel Ojeda Sandonis <maxextreme@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
118 lines
3.3 KiB
Text
118 lines
3.3 KiB
Text
#
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# For a description of the syntax of this configuration file,
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# see Documentation/kbuild/kconfig-language.txt.
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#
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# Auxiliary display drivers configuration.
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#
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menuconfig AUXDISPLAY
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depends on PARPORT
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bool "Auxiliary Display support"
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if AUXDISPLAY && PARPORT
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config KS0108
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tristate "KS0108 LCD Controller"
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depends on PARPORT_PC
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default n
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---help---
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If you have a LCD controlled by one or more KS0108
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controllers, say Y. You will need also another more specific
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driver for your LCD.
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Depends on Parallel Port support. If you say Y at
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parport, you will be able to compile this as a module (M)
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and built-in as well (Y).
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To compile this as a module, choose M here:
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the module will be called ks0108.
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If unsure, say N.
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config KS0108_PORT
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hex "Parallel port where the LCD is connected"
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depends on KS0108
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default 0x378
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---help---
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The address of the parallel port where the LCD is connected.
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The first standard parallel port address is 0x378.
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The second standard parallel port address is 0x278.
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The third standard parallel port address is 0x3BC.
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You can specify a different address if you need.
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If you don't know what I'm talking about, load the parport module,
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and execute "dmesg" or "cat /proc/ioports". You can see there how
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many parallel ports are present and which address each one has.
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Usually you only need to use 0x378.
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If you compile this as a module, you can still override this
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using the module parameters.
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config KS0108_DELAY
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int "Delay between each control writing (microseconds)"
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depends on KS0108
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default "2"
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---help---
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Amount of time the ks0108 should wait between each control write
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to the parallel port.
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If your driver seems to miss random writings, increment this.
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If you don't know what I'm talking about, ignore it.
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If you compile this as a module, you can still override this
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value using the module parameters.
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config CFAG12864B
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tristate "CFAG12864B LCD"
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depends on X86
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depends on FB
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depends on KS0108
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select FB_SYS_FILLRECT
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select FB_SYS_COPYAREA
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select FB_SYS_IMAGEBLIT
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select FB_SYS_FOPS
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default n
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---help---
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If you have a Crystalfontz 128x64 2-color LCD, cfag12864b Series,
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say Y. You also need the ks0108 LCD Controller driver.
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For help about how to wire your LCD to the parallel port,
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check Documentation/auxdisplay/cfag12864b
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Depends on the x86 arch and the framebuffer support.
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The LCD framebuffer driver can be attached to a console.
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It will work fine. However, you can't attach it to the fbdev driver
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of the xorg server.
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To compile this as a module, choose M here:
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the modules will be called cfag12864b and cfag12864bfb.
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If unsure, say N.
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config CFAG12864B_RATE
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int "Refresh rate (hertz)"
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depends on CFAG12864B
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default "20"
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---help---
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Refresh rate of the LCD.
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As the LCD is not memory mapped, the driver has to make the work by
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software. This means you should be careful setting this value higher.
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If your CPUs are really slow or you feel the system is slowed down,
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decrease the value.
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Be careful modifying this value to a very high value:
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You can freeze the computer, or the LCD maybe can't draw as fast as you
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are requesting.
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If you don't know what I'm talking about, ignore it.
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If you compile this as a module, you can still override this
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value using the module parameters.
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endif # AUXDISPLAY
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