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1 | /* |
1 | /* |
2 | * Copyright (c) 2006 Jakub Vana |
2 | * Copyright (c) 2006 Jakub Vana |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup ia32 |
29 | /** @addtogroup ia32 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** |
32 | /** |
33 | * @file |
33 | * @file |
34 | * @brief VESA frame buffer driver. |
34 | * @brief VESA frame buffer driver. |
35 | */ |
35 | */ |
36 | 36 | ||
37 | #ifdef CONFIG_FB |
37 | #ifdef CONFIG_FB |
38 | 38 | ||
39 | #include <genarch/fb/fb.h> |
39 | #include <genarch/fb/fb.h> |
40 | #include <genarch/fb/visuals.h> |
40 | #include <genarch/fb/visuals.h> |
41 | #include <arch/drivers/vesa.h> |
41 | #include <arch/drivers/vesa.h> |
42 | #include <putchar.h> |
42 | #include <putchar.h> |
43 | #include <mm/page.h> |
43 | #include <mm/page.h> |
44 | #include <mm/frame.h> |
44 | #include <mm/frame.h> |
45 | #include <mm/as.h> |
45 | #include <mm/as.h> |
46 | #include <arch/mm/page.h> |
46 | #include <arch/mm/page.h> |
47 | #include <synch/spinlock.h> |
47 | #include <synch/spinlock.h> |
48 | #include <arch/asm.h> |
48 | #include <arch/asm.h> |
49 | #include <arch/types.h> |
49 | #include <arch/types.h> |
50 | #include <typedefs.h> |
- | |
51 | #include <memstr.h> |
50 | #include <memstr.h> |
52 | #include <bitops.h> |
51 | #include <bitops.h> |
53 | 52 | ||
54 | uint32_t vesa_ph_addr; |
53 | uint32_t vesa_ph_addr; |
55 | uint16_t vesa_width; |
54 | uint16_t vesa_width; |
56 | uint16_t vesa_height; |
55 | uint16_t vesa_height; |
57 | uint16_t vesa_bpp; |
56 | uint16_t vesa_bpp; |
58 | uint16_t vesa_scanline; |
57 | uint16_t vesa_scanline; |
59 | 58 | ||
60 | int vesa_present(void) |
59 | int vesa_present(void) |
61 | { |
60 | { |
62 | if (vesa_width != 0xffff) |
61 | if (vesa_width != 0xffff) |
63 | return true; |
62 | return true; |
64 | if (vesa_height != 0xffff) |
63 | if (vesa_height != 0xffff) |
65 | return true; |
64 | return true; |
66 | return false; |
65 | return false; |
67 | } |
66 | } |
68 | 67 | ||
69 | void vesa_init(void) |
68 | void vesa_init(void) |
70 | { |
69 | { |
71 | unsigned int visual; |
70 | unsigned int visual; |
72 | 71 | ||
73 | switch (vesa_bpp) { |
72 | switch (vesa_bpp) { |
74 | case 8: |
73 | case 8: |
75 | visual = VISUAL_INDIRECT_8; |
74 | visual = VISUAL_INDIRECT_8; |
76 | break; |
75 | break; |
77 | case 16: |
76 | case 16: |
78 | visual = VISUAL_RGB_5_6_5; |
77 | visual = VISUAL_RGB_5_6_5; |
79 | break; |
78 | break; |
80 | case 24: |
79 | case 24: |
81 | visual = VISUAL_RGB_8_8_8; |
80 | visual = VISUAL_RGB_8_8_8; |
82 | break; |
81 | break; |
83 | case 32: |
82 | case 32: |
84 | visual = VISUAL_RGB_0_8_8_8; |
83 | visual = VISUAL_RGB_0_8_8_8; |
85 | break; |
84 | break; |
86 | default: |
85 | default: |
87 | panic("Unsupported bits per pixel"); |
86 | panic("Unsupported bits per pixel"); |
88 | } |
87 | } |
89 | 88 | ||
90 | fb_init(vesa_ph_addr, vesa_width, vesa_height, vesa_scanline, visual); |
89 | fb_init(vesa_ph_addr, vesa_width, vesa_height, vesa_scanline, visual); |
91 | } |
90 | } |
92 | 91 | ||
93 | #endif |
92 | #endif |
94 | 93 | ||
95 | /** @} |
94 | /** @} |
96 | */ |
95 | */ |
97 | 96 |