Rev 3343 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1287 | vana | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2006 Jakub Vana |
1287 | 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 | |||
1754 | jermar | 29 | /** @addtogroup ia32 |
1702 | cejka | 30 | * @{ |
31 | */ |
||
1754 | jermar | 32 | /** |
33 | * @file |
||
34 | * @brief VESA frame buffer driver. |
||
1702 | cejka | 35 | */ |
36 | |||
1287 | vana | 37 | #ifdef CONFIG_FB |
38 | |||
39 | #include <genarch/fb/fb.h> |
||
1993 | decky | 40 | #include <genarch/fb/visuals.h> |
1477 | decky | 41 | #include <arch/drivers/vesa.h> |
1287 | vana | 42 | #include <putchar.h> |
43 | #include <mm/page.h> |
||
1289 | vana | 44 | #include <mm/frame.h> |
1287 | vana | 45 | #include <mm/as.h> |
46 | #include <arch/mm/page.h> |
||
47 | #include <synch/spinlock.h> |
||
1310 | jermar | 48 | #include <arch/asm.h> |
1287 | vana | 49 | #include <arch/types.h> |
50 | #include <memstr.h> |
||
1310 | jermar | 51 | #include <bitops.h> |
1287 | vana | 52 | |
1780 | jermar | 53 | uint32_t vesa_ph_addr; |
54 | uint16_t vesa_width; |
||
55 | uint16_t vesa_height; |
||
56 | uint16_t vesa_bpp; |
||
57 | uint16_t vesa_scanline; |
||
1287 | vana | 58 | |
59 | int vesa_present(void) |
||
60 | { |
||
1310 | jermar | 61 | if (vesa_width != 0xffff) |
62 | return true; |
||
63 | if (vesa_height != 0xffff) |
||
64 | return true; |
||
1287 | vana | 65 | return false; |
66 | } |
||
67 | |||
68 | void vesa_init(void) |
||
69 | { |
||
1993 | decky | 70 | unsigned int visual; |
71 | |||
72 | switch (vesa_bpp) { |
||
73 | case 8: |
||
74 | visual = VISUAL_INDIRECT_8; |
||
75 | break; |
||
76 | case 16: |
||
77 | visual = VISUAL_RGB_5_6_5; |
||
78 | break; |
||
79 | case 24: |
||
80 | visual = VISUAL_RGB_8_8_8; |
||
81 | break; |
||
82 | case 32: |
||
83 | visual = VISUAL_RGB_0_8_8_8; |
||
84 | break; |
||
85 | default: |
||
86 | panic("Unsupported bits per pixel"); |
||
87 | } |
||
88 | |||
3742 | rimsky | 89 | fb_properties_t vesa_props = { |
90 | .addr = vesa_ph_addr, |
||
91 | .offset = 0, |
||
92 | .x = vesa_width, |
||
93 | .y = vesa_height, |
||
94 | .scan = vesa_scanline, |
||
95 | .visual = visual, |
||
96 | }; |
||
97 | fb_init(&vesa_props); |
||
1287 | vana | 98 | } |
99 | |||
3742 | rimsky | 100 | void vesa_redraw(void) |
101 | { |
||
102 | fb_redraw(); |
||
103 | } |
||
104 | |||
1287 | vana | 105 | #endif |
1702 | cejka | 106 | |
1754 | jermar | 107 | /** @} |
1702 | cejka | 108 | */ |