| 0,0 → 1,70 |
|---|
| /* |
| * Copyright (C) 2006-2006 Jakub Vana |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifdef CONFIG_FB |
| |
| #include <genarch/fb/fb.h> |
| #include <arch/vesa.h> |
| #include <putchar.h> |
| #include <mm/page.h> |
| #include <mm/as.h> |
| #include <arch/mm/page.h> |
| #include <synch/spinlock.h> |
| #include <arch/types.h> |
| #include <arch/asm.h> |
| #include <memstr.h> |
| |
| __u32 vesa_ph_addr; |
| __u16 vesa_width; |
| __u16 vesa_height; |
| __u16 vesa_bpp; |
| __u16 vesa_scanline; |
| |
| |
| int vesa_present(void) |
| { |
| if(vesa_width!=0xffff) return true; |
| if(vesa_height!=0xffff) return true; |
| return false; |
| } |
| |
| |
| void vesa_init(void) |
| { |
| int a; |
| |
| /* Map videoram */ |
| for(a=0;a<((vesa_scanline*vesa_height+PAGE_SIZE-1)>>PAGE_WIDTH);a++) |
| page_mapping_insert(AS_KERNEL, VIDEORAM_LIN_ADDR+a*4096, vesa_ph_addr+a*4096, PAGE_NOT_CACHEABLE); |
| |
| fb_init( VIDEORAM_LIN_ADDR,vesa_width,vesa_height,vesa_bpp,vesa_scanline); |
| putchar('\n'); |
| } |
| |
| #endif |
| |