Rev 4676 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 4676 | Rev 4685 | ||
---|---|---|---|
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 <memstr.h> |
50 | #include <memstr.h> |
51 | #include <bitops.h> |
51 | #include <bitops.h> |
52 | 52 | ||
53 | uint32_t vesa_ph_addr; |
53 | uint32_t vesa_ph_addr; |
54 | uint16_t vesa_width; |
54 | uint16_t vesa_width; |
55 | uint16_t vesa_height; |
55 | uint16_t vesa_height; |
56 | uint16_t vesa_bpp; |
56 | uint16_t vesa_bpp; |
57 | uint16_t vesa_scanline; |
57 | uint16_t vesa_scanline; |
58 | 58 | ||
59 | uint8_t vesa_red_mask; |
59 | uint8_t vesa_red_mask; |
60 | uint8_t vesa_red_pos; |
60 | uint8_t vesa_red_pos; |
61 | 61 | ||
62 | uint8_t vesa_green_mask; |
62 | uint8_t vesa_green_mask; |
63 | uint8_t vesa_green_pos; |
63 | uint8_t vesa_green_pos; |
64 | 64 | ||
65 | uint8_t vesa_blue_mask; |
65 | uint8_t vesa_blue_mask; |
66 | uint8_t vesa_blue_pos; |
66 | uint8_t vesa_blue_pos; |
67 | 67 | ||
68 | int vesa_present(void) |
68 | int vesa_present(void) |
69 | { |
69 | { |
70 | if ((vesa_width != 0xffff) && (vesa_height != 0xffff)) |
70 | if ((vesa_width != 0xffff) && (vesa_height != 0xffff)) |
71 | return true; |
71 | return true; |
72 | 72 | ||
73 | return false; |
73 | return false; |
74 | } |
74 | } |
75 | 75 | ||
76 | void vesa_init(void) |
76 | void vesa_init(void) |
77 | { |
77 | { |
78 | unsigned int visual; |
78 | unsigned int visual; |
79 | 79 | ||
80 | switch (vesa_bpp) { |
80 | switch (vesa_bpp) { |
81 | case 8: |
81 | case 8: |
82 | visual = VISUAL_INDIRECT_8; |
82 | visual = VISUAL_INDIRECT_8; |
83 | break; |
83 | break; |
84 | case 16: |
84 | case 16: |
85 | if ((vesa_red_mask == 5) && (vesa_red_pos == 10) |
85 | if ((vesa_red_mask == 5) && (vesa_red_pos == 10) |
86 | && (vesa_green_mask == 5) && (vesa_green_pos == 5) |
86 | && (vesa_green_mask == 5) && (vesa_green_pos == 5) |
87 | && (vesa_blue_mask == 5) && (vesa_blue_pos == 0)) |
87 | && (vesa_blue_mask == 5) && (vesa_blue_pos == 0)) |
88 | visual = VISUAL_BGR_5_5_5; |
88 | visual = VISUAL_RGB_5_5_5_LE; |
89 | else |
89 | else |
90 | visual = VISUAL_BGR_5_6_5; |
90 | visual = VISUAL_RGB_5_6_5_LE; |
91 | break; |
91 | break; |
92 | case 24: |
92 | case 24: |
93 | visual = VISUAL_BGR_8_8_8; |
93 | visual = VISUAL_BGR_8_8_8; |
94 | break; |
94 | break; |
95 | case 32: |
95 | case 32: |
96 | visual = VISUAL_BGR_8_8_8_0; |
96 | visual = VISUAL_BGR_8_8_8_0; |
97 | break; |
97 | break; |
98 | default: |
98 | default: |
99 | panic("Unsupported bits per pixel."); |
99 | panic("Unsupported bits per pixel."); |
100 | } |
100 | } |
101 | 101 | ||
102 | fb_properties_t vesa_props = { |
102 | fb_properties_t vesa_props = { |
103 | .addr = vesa_ph_addr, |
103 | .addr = vesa_ph_addr, |
104 | .offset = 0, |
104 | .offset = 0, |
105 | .x = vesa_width, |
105 | .x = vesa_width, |
106 | .y = vesa_height, |
106 | .y = vesa_height, |
107 | .scan = vesa_scanline, |
107 | .scan = vesa_scanline, |
108 | .visual = visual, |
108 | .visual = visual, |
109 | }; |
109 | }; |
110 | fb_init(&vesa_props); |
110 | fb_init(&vesa_props); |
111 | } |
111 | } |
112 | 112 | ||
113 | void vesa_redraw(void) |
113 | void vesa_redraw(void) |
114 | { |
114 | { |
115 | fb_redraw(); |
115 | fb_redraw(); |
116 | } |
116 | } |
117 | 117 | ||
118 | #endif |
118 | #endif |
119 | 119 | ||
120 | /** @} |
120 | /** @} |
121 | */ |
121 | */ |
122 | 122 |