| 1 | /*
|
|---|
| 2 | * Copyright (c) 2006 Jakub Vana
|
|---|
| 3 | * All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | *
|
|---|
| 9 | * - Redistributions of source code must retain the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 13 | * documentation and/or other materials provided with the distribution.
|
|---|
| 14 | * - The name of the author may not be used to endorse or promote products
|
|---|
| 15 | * derived from this software without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|---|
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | /** @addtogroup genarch
|
|---|
| 30 | * @{
|
|---|
| 31 | */
|
|---|
| 32 | /**
|
|---|
| 33 | * @file
|
|---|
| 34 | * @brief Boot framebuffer driver.
|
|---|
| 35 | */
|
|---|
| 36 |
|
|---|
| 37 | #include <typedefs.h>
|
|---|
| 38 | #include <genarch/fb/fb.h>
|
|---|
| 39 | #include <genarch/fb/bfb.h>
|
|---|
| 40 | #include <console/console.h>
|
|---|
| 41 |
|
|---|
| 42 | uintptr_t bfb_addr = 0;
|
|---|
| 43 | uint32_t bfb_width = 0;
|
|---|
| 44 | uint32_t bfb_height = 0;
|
|---|
| 45 | uint16_t bfb_bpp = 0;
|
|---|
| 46 | uint32_t bfb_scanline = 0;
|
|---|
| 47 |
|
|---|
| 48 | uint8_t bfb_red_pos = 0;
|
|---|
| 49 | uint8_t bfb_red_size = 0;
|
|---|
| 50 |
|
|---|
| 51 | uint8_t bfb_green_pos = 0;
|
|---|
| 52 | uint8_t bfb_green_size = 0;
|
|---|
| 53 |
|
|---|
| 54 | uint8_t bfb_blue_pos = 0;
|
|---|
| 55 | uint8_t bfb_blue_size = 0;
|
|---|
| 56 |
|
|---|
| 57 | bool bfb_init(void)
|
|---|
| 58 | {
|
|---|
| 59 | if ((bfb_addr == 0) || (bfb_width == 0) || (bfb_height == 0) ||
|
|---|
| 60 | (bfb_bpp == 0) || (bfb_scanline == 0))
|
|---|
| 61 | return false;
|
|---|
| 62 |
|
|---|
| 63 | fb_properties_t bfb_props = {
|
|---|
| 64 | .addr = bfb_addr,
|
|---|
| 65 | .offset = 0,
|
|---|
| 66 | .x = bfb_width,
|
|---|
| 67 | .y = bfb_height,
|
|---|
| 68 | .scan = bfb_scanline
|
|---|
| 69 | };
|
|---|
| 70 |
|
|---|
| 71 | switch (bfb_bpp) {
|
|---|
| 72 | case 8:
|
|---|
| 73 | bfb_props.visual = VISUAL_INDIRECT_8;
|
|---|
| 74 | break;
|
|---|
| 75 | case 16:
|
|---|
| 76 | if ((bfb_red_pos == 10) && (bfb_red_size == 5) &&
|
|---|
| 77 | (bfb_green_pos == 5) && (bfb_green_size == 5) &&
|
|---|
| 78 | (bfb_blue_pos == 0) && (bfb_blue_size == 5))
|
|---|
| 79 | bfb_props.visual = VISUAL_RGB_5_5_5_LE;
|
|---|
| 80 | else
|
|---|
| 81 | bfb_props.visual = VISUAL_RGB_5_6_5_LE;
|
|---|
| 82 | break;
|
|---|
| 83 | case 24:
|
|---|
| 84 | bfb_props.visual = VISUAL_BGR_8_8_8;
|
|---|
| 85 | break;
|
|---|
| 86 | case 32:
|
|---|
| 87 | bfb_props.visual = VISUAL_BGR_8_8_8_0;
|
|---|
| 88 | break;
|
|---|
| 89 | default:
|
|---|
| 90 | LOG("Unsupported bits per pixel.");
|
|---|
| 91 | return false;
|
|---|
| 92 | }
|
|---|
| 93 |
|
|---|
| 94 | outdev_t *fbdev = fb_init(&bfb_props);
|
|---|
| 95 | if (!fbdev)
|
|---|
| 96 | return false;
|
|---|
| 97 |
|
|---|
| 98 | stdout_wire(fbdev);
|
|---|
| 99 | return true;
|
|---|
| 100 | }
|
|---|
| 101 |
|
|---|
| 102 | /** @}
|
|---|
| 103 | */
|
|---|
