X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fvideo%2Ffbdev%2Fsa1100fb.c;fp=kernel%2Fdrivers%2Fvideo%2Ffbdev%2Fsa1100fb.c;h=89dd7e02197ffb89c07c6ef20ee50efe49546d67;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git diff --git a/kernel/drivers/video/fbdev/sa1100fb.c b/kernel/drivers/video/fbdev/sa1100fb.c new file mode 100644 index 000000000..89dd7e021 --- /dev/null +++ b/kernel/drivers/video/fbdev/sa1100fb.c @@ -0,0 +1,1361 @@ +/* + * linux/drivers/video/sa1100fb.c + * + * Copyright (C) 1999 Eric A. Thomas + * Based on acornfb.c Copyright (C) Russell King. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + * + * StrongARM 1100 LCD Controller Frame Buffer Driver + * + * Please direct your questions and comments on this driver to the following + * email address: + * + * linux-arm-kernel@lists.arm.linux.org.uk + * + * Clean patches should be sent to the ARM Linux Patch System. Please see the + * following web page for more information: + * + * http://www.arm.linux.org.uk/developer/patches/info.shtml + * + * Thank you. + * + * Known problems: + * - With the Neponset plugged into an Assabet, LCD powerdown + * doesn't work (LCD stays powered up). Therefore we shouldn't + * blank the screen. + * - We don't limit the CPU clock rate nor the mode selection + * according to the available SDRAM bandwidth. + * + * Other notes: + * - Linear grayscale palettes and the kernel. + * Such code does not belong in the kernel. The kernel frame buffer + * drivers do not expect a linear colourmap, but a colourmap based on + * the VT100 standard mapping. + * + * If your _userspace_ requires a linear colourmap, then the setup of + * such a colourmap belongs _in userspace_, not in the kernel. Code + * to set the colourmap correctly from user space has been sent to + * David Neuer. It's around 8 lines of C code, plus another 4 to + * detect if we are using grayscale. + * + * - The following must never be specified in a panel definition: + * LCCR0_LtlEnd, LCCR3_PixClkDiv, LCCR3_VrtSnchL, LCCR3_HorSnchL + * + * - The following should be specified: + * either LCCR0_Color or LCCR0_Mono + * either LCCR0_Sngl or LCCR0_Dual + * either LCCR0_Act or LCCR0_Pas + * either LCCR3_OutEnH or LCCD3_OutEnL + * either LCCR3_PixRsEdg or LCCR3_PixFlEdg + * either LCCR3_ACBsDiv or LCCR3_ACBsCntOff + * + * Code Status: + * 1999/04/01: + * - Driver appears to be working for Brutus 320x200x8bpp mode. Other + * resolutions are working, but only the 8bpp mode is supported. + * Changes need to be made to the palette encode and decode routines + * to support 4 and 16 bpp modes. + * Driver is not designed to be a module. The FrameBuffer is statically + * allocated since dynamic allocation of a 300k buffer cannot be + * guaranteed. + * + * 1999/06/17: + * - FrameBuffer memory is now allocated at run-time when the + * driver is initialized. + * + * 2000/04/10: Nicolas Pitre + * - Big cleanup for dynamic selection of machine type at run time. + * + * 2000/07/19: Jamey Hicks + * - Support for Bitsy aka Compaq iPAQ H3600 added. + * + * 2000/08/07: Tak-Shing Chan + * Jeff Sutherland + * - Resolved an issue caused by a change made to the Assabet's PLD + * earlier this year which broke the framebuffer driver for newer + * Phase 4 Assabets. Some other parameters were changed to optimize + * for the Sharp display. + * + * 2000/08/09: Kunihiko IMAI + * - XP860 support added + * + * 2000/08/19: Mark Huang + * - Allows standard options to be passed on the kernel command line + * for most common passive displays. + * + * 2000/08/29: + * - s/save_flags_cli/local_irq_save/ + * - remove unneeded extra save_flags_cli in sa1100fb_enable_lcd_controller + * + * 2000/10/10: Erik Mouw + * - Updated LART stuff. Fixed some minor bugs. + * + * 2000/10/30: Murphy Chen + * - Pangolin support added + * + * 2000/10/31: Roman Jordan + * - Huw Webpanel support added + * + * 2000/11/23: Eric Peng + * - Freebird add + * + * 2001/02/07: Jamey Hicks + * Cliff Brake + * - Added PM callback + * + * 2001/05/26: + * - Fix 16bpp so that (a) we use the right colours rather than some + * totally random colour depending on what was in page 0, and (b) + * we don't de-reference a NULL pointer. + * - remove duplicated implementation of consistent_alloc() + * - convert dma address types to dma_addr_t + * - remove unused 'montype' stuff + * - remove redundant zero inits of init_var after the initial + * memset. + * - remove allow_modeset (acornfb idea does not belong here) + * + * 2001/05/28: + * - massive cleanup - move machine dependent data into structures + * - I've left various #warnings in - if you see one, and know + * the hardware concerned, please get in contact with me. + * + * 2001/05/31: + * - Fix LCCR1 HSW value, fix all machine type specifications to + * keep values in line. (Please check your machine type specs) + * + * 2001/06/10: + * - Fiddle with the LCD controller from task context only; mainly + * so that we can run with interrupts on, and sleep. + * - Convert #warnings into #errors. No pain, no gain. ;) + * + * 2001/06/14: + * - Make the palette BPS value for 12bpp come out correctly. + * - Take notice of "greyscale" on any colour depth. + * - Make truecolor visuals use the RGB channel encoding information. + * + * 2001/07/02: + * - Fix colourmap problems. + * + * 2001/07/13: + * - Added support for the ICP LCD-Kit01 on LART. This LCD is + * manufactured by Prime View, model no V16C6448AB + * + * 2001/07/23: + * - Hand merge version from handhelds.org CVS tree. See patch + * notes for 595/1 for more information. + * - Drop 12bpp (it's 16bpp with different colour register mappings). + * - This hardware can not do direct colour. Therefore we don't + * support it. + * + * 2001/07/27: + * - Halve YRES on dual scan LCDs. + * + * 2001/08/22: + * - Add b/w iPAQ pixclock value. + * + * 2001/10/12: + * - Add patch 681/1 and clean up stork definitions. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include