| # |
| # For a description of the syntax of this configuration file, |
| # see Documentation/kbuild/kconfig-language.txt. |
| # |
| # Auxiliary display drivers configuration. |
| # |
| |
| menuconfig AUXDISPLAY |
| bool "Auxiliary Display support" |
| ---help--- |
| Say Y here to get to see options for auxiliary display drivers. |
| This option alone does not add any kernel code. |
| |
| If you say N, all options in this submenu will be skipped and disabled. |
| |
| if AUXDISPLAY |
| |
| config KS0108 |
| tristate "KS0108 LCD Controller" |
| depends on PARPORT_PC |
| default n |
| ---help--- |
| If you have a LCD controlled by one or more KS0108 |
| controllers, say Y. You will need also another more specific |
| driver for your LCD. |
| |
| Depends on Parallel Port support. If you say Y at |
| parport, you will be able to compile this as a module (M) |
| and built-in as well (Y). |
| |
| To compile this as a module, choose M here: |
| the module will be called ks0108. |
| |
| If unsure, say N. |
| |
| config KS0108_PORT |
| hex "Parallel port where the LCD is connected" |
| depends on KS0108 |
| default 0x378 |
| ---help--- |
| The address of the parallel port where the LCD is connected. |
| |
| The first standard parallel port address is 0x378. |
| The second standard parallel port address is 0x278. |
| The third standard parallel port address is 0x3BC. |
| |
| You can specify a different address if you need. |
| |
| If you don't know what I'm talking about, load the parport module, |
| and execute "dmesg" or "cat /proc/ioports". You can see there how |
| many parallel ports are present and which address each one has. |
| |
| Usually you only need to use 0x378. |
| |
| If you compile this as a module, you can still override this |
| using the module parameters. |
| |
| config KS0108_DELAY |
| int "Delay between each control writing (microseconds)" |
| depends on KS0108 |
| default "2" |
| ---help--- |
| Amount of time the ks0108 should wait between each control write |
| to the parallel port. |
| |
| If your LCD seems to miss random writings, increment this. |
| |
| If you don't know what I'm talking about, ignore it. |
| |
| If you compile this as a module, you can still override this |
| value using the module parameters. |
| |
| config CFAG12864B |
| tristate "CFAG12864B LCD" |
| depends on X86 |
| depends on FB |
| depends on KS0108 |
| select FB_SYS_FILLRECT |
| select FB_SYS_COPYAREA |
| select FB_SYS_IMAGEBLIT |
| select FB_SYS_FOPS |
| default n |
| ---help--- |
| If you have a Crystalfontz 128x64 2-color LCD, cfag12864b Series, |
| say Y. You also need the ks0108 LCD Controller driver. |
| |
| For help about how to wire your LCD to the parallel port, |
| check Documentation/auxdisplay/cfag12864b |
| |
| Depends on the x86 arch and the framebuffer support. |
| |
| The LCD framebuffer driver can be attached to a console. |
| It will work fine. However, you can't attach it to the fbdev driver |
| of the xorg server. |
| |
| To compile this as a module, choose M here: |
| the modules will be called cfag12864b and cfag12864bfb. |
| |
| If unsure, say N. |
| |
| config CFAG12864B_RATE |
| int "Refresh rate (hertz)" |
| depends on CFAG12864B |
| default "20" |
| ---help--- |
| Refresh rate of the LCD. |
| |
| As the LCD is not memory mapped, the driver has to make the work by |
| software. This means you should be careful setting this value higher. |
| If your CPUs are really slow or you feel the system is slowed down, |
| decrease the value. |
| |
| Be careful modifying this value to a very high value: |
| You can freeze the computer, or the LCD maybe can't draw as fast as you |
| are requesting. |
| |
| If you don't know what I'm talking about, ignore it. |
| |
| If you compile this as a module, you can still override this |
| value using the module parameters. |
| |
| config IMG_ASCII_LCD |
| tristate "Imagination Technologies ASCII LCD Display" |
| depends on HAS_IOMEM |
| default y if MIPS_MALTA || MIPS_SEAD3 |
| select SYSCON |
| help |
| Enable this to support the simple ASCII LCD displays found on |
| development boards such as the MIPS Boston, MIPS Malta & MIPS SEAD3 |
| from Imagination Technologies. |
| |
| endif # AUXDISPLAY |