diff options
author | Miguel Ojeda Sandonis <maxextreme@gmail.com> | 2007-02-10 09:44:32 (GMT) |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-11 18:51:24 (GMT) |
commit | 70e840499aae90be1de542894062ad2899d23642 (patch) | |
tree | 4d5122672bfb03fec0823540f19c7974979483f4 /include | |
parent | 81d79bec348ab06cba9ae9fc03eb015b6b83703a (diff) | |
download | linux-fsl-qoriq-70e840499aae90be1de542894062ad2899d23642.tar.xz |
[PATCH] drivers: add LCD support
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>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/cfag12864b.h | 77 | ||||
-rw-r--r-- | include/linux/ks0108.h | 46 |
2 files changed, 123 insertions, 0 deletions
diff --git a/include/linux/cfag12864b.h b/include/linux/cfag12864b.h new file mode 100644 index 0000000..0bc45e6 --- /dev/null +++ b/include/linux/cfag12864b.h @@ -0,0 +1,77 @@ +/* + * Filename: cfag12864b.h + * Version: 0.1.0 + * Description: cfag12864b LCD driver header + * License: GPLv2 + * + * Author: Copyright (C) Miguel Ojeda Sandonis <maxextreme@gmail.com> + * Date: 2006-10-12 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef _CFAG12864B_H_ +#define _CFAG12864B_H_ + +#define CFAG12864B_WIDTH (128) +#define CFAG12864B_HEIGHT (64) +#define CFAG12864B_CONTROLLERS (2) +#define CFAG12864B_PAGES (8) +#define CFAG12864B_ADDRESSES (64) +#define CFAG12864B_SIZE ((CFAG12864B_CONTROLLERS) * \ + (CFAG12864B_PAGES) * \ + (CFAG12864B_ADDRESSES)) + +/* + * The driver will blit this buffer to the LCD + * + * Its size is CFAG12864B_SIZE. + */ +extern unsigned char * cfag12864b_buffer; + +/* + * Get the refresh rate of the LCD + * + * Returns the refresh rate (hertzs). + */ +extern unsigned int cfag12864b_getrate(void); + +/* + * Enable refreshing + * + * Returns 0 if successful (anyone was using it), + * or != 0 if failed (someone is using it). + */ +extern unsigned char cfag12864b_enable(void); + +/* + * Disable refreshing + * + * You should call this only when you finish using the LCD. + */ +extern void cfag12864b_disable(void); + +/* + * Is enabled refreshing? (is anyone using the module?) + * + * Returns 0 if refreshing is not enabled (anyone is using it), + * or != 0 if refreshing is enabled (someone is using it). + * + * Useful for buffer read-only modules. + */ +extern unsigned char cfag12864b_isenabled(void); + +#endif /* _CFAG12864B_H_ */ + diff --git a/include/linux/ks0108.h b/include/linux/ks0108.h new file mode 100644 index 0000000..8047d4b --- /dev/null +++ b/include/linux/ks0108.h @@ -0,0 +1,46 @@ +/* + * Filename: ks0108.h + * Version: 0.1.0 + * Description: ks0108 LCD Controller driver header + * License: GPLv2 + * + * Author: Copyright (C) Miguel Ojeda Sandonis <maxextreme@gmail.com> + * Date: 2006-10-31 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef _KS0108_H_ +#define _KS0108_H_ + +/* Write a byte to the data port */ +extern void ks0108_writedata(unsigned char byte); + +/* Write a byte to the control port */ +extern void ks0108_writecontrol(unsigned char byte); + +/* Set the controller's current display state (0..1) */ +extern void ks0108_displaystate(unsigned char state); + +/* Set the controller's current startline (0..63) */ +extern void ks0108_startline(unsigned char startline); + +/* Set the controller's current address (0..63) */ +extern void ks0108_address(unsigned char address); + +/* Set the controller's current page (0..7) */ +extern void ks0108_page(unsigned char page); + +#endif /* _KS0108_H_ */ |