61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
/*
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* Copyright 2007 Freescale Semiconductor, Inc.
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* York Sun <yorksun@freescale.com>
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*
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* FSL DIU Framebuffer driver
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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struct fb_var_screeninfo {
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unsigned int xres; /* visible resolution */
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unsigned int yres;
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unsigned int bits_per_pixel; /* guess what */
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/* Timing: All values in pixclocks, except pixclock (of course) */
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unsigned int pixclock; /* pixel clock in ps (pico seconds) */
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unsigned int left_margin; /* time from sync to picture */
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unsigned int right_margin; /* time from picture to sync */
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unsigned int upper_margin; /* time from sync to picture */
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unsigned int lower_margin;
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unsigned int hsync_len; /* length of horizontal sync */
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unsigned int vsync_len; /* length of vertical sync */
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unsigned int sync; /* see FB_SYNC_* */
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unsigned int vmode; /* see FB_VMODE_* */
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unsigned int rotate; /* angle we rotate counter clockwise */
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};
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struct fb_info {
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struct fb_var_screeninfo var; /* Current var */
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unsigned long smem_start; /* Start of frame buffer mem */
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/* (physical address) */
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unsigned int smem_len; /* Length of frame buffer mem */
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unsigned int type; /* see FB_TYPE_* */
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unsigned int line_length; /* length of a line in bytes */
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char *screen_base;
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unsigned long screen_size;
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};
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extern char *fsl_fb_open(struct fb_info **info);
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int fsl_diu_init(int xres, unsigned int pixel_format, int gamma_fix);
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int platform_diu_init(unsigned int *xres, unsigned int *yres);
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