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path: root/drivers/auxdisplay/cfag12864bfb.c
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* cfag12864bfb: Use sys_ instead of cfb_ framebuffer accessorsAvuton Olrich2007-06-01
| | | | | | | | | | | | | | | | | | Because the framebuffer memory is allocated system RAM, use the sys_ drawing libraries. It also fixes the following compile error: LD .tmp_vmlinux1 drivers/built-in.o:(.data+0x8b48): undefined reference to `cfb_fillrect' drivers/built-in.o:(.data+0x8b50): undefined reference to `cfb_copyarea' drivers/built-in.o:(.data+0x8b58): undefined reference to `cfb_imageblit' [adaplas] Use fb_sys_read/write for the same reasons as above. Signed-off-by: Avuton Olrich <avuton@gmail.com> Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] cfag12864b: fix crash when built-in and no parport presentMiguel Ojeda2007-02-20
| | | | | | | | | | | | | | | | | | The problem comes when ks0108/cfag12864b are built-in and no parallel port is present. ks0108_init() is called first, as it should be, but fails to load (as there is no parallel port to use). After that, cfag12864b_init() gets called, without knowing anything about ks0108 failed, and calls ks0108_writecontrol(), which dereferences an uninitialized pointer. Init order is OK, I think. The problem is how to stop cfag12864b_init() being called if ks0108 failed to load. modprobe does it for us, but, how when built-in? Signed-off-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>
* [PATCH] drivers: add LCD supportMiguel Ojeda Sandonis2007-02-11
Add support for auxiliary displays, the ks0108 LCD controller, the cfag12864b LCD and adds a framebuffer device: cfag12864bfb. - Add a "auxdisplay/" folder in "drivers/" for auxiliary display drivers. - Add support for the ks0108 LCD Controller as a device driver. (uses parport interface) - Add support for the cfag12864b LCD as a device driver. (uses ks0108 LCD Controller driver) - Add a framebuffer device called cfag12864bfb. (uses cfag12864b LCD driver) - Add the usual Documentation, includes, Makefiles, Kconfigs, MAINTAINERS, CREDITS... - Miguel Ojeda will maintain all the stuff above. [rdunlap@xenotime.net: workqueue fixups] [akpm@osdl.org: kconfig fix] Signed-off-by: Miguel Ojeda Sandonis <maxextreme@gmail.com> Cc: Greg KH <greg@kroah.com> Acked-by: Paulo Marques <pmarques@grupopie.com> Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>