]>
Commit | Line | Data |
---|---|---|
9acb626f | 1 | /* |
b1d71358 | 2 | * (C) Copyright 2005 |
9acb626f HS |
3 | * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.de> |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | #include <common.h> | |
25 | #include <asm/m5282.h> | |
26 | #include "VCxK.h" | |
27 | ||
6d0f6bcf | 28 | vu_char *vcxk_bws = (vu_char *)(CONFIG_SYS_CS3_BASE); |
9acb626f HS |
29 | #define VCXK_BWS vcxk_bws |
30 | ||
31 | static ulong vcxk_driver; | |
32 | ||
33 | ||
34 | ulong search_vcxk_driver(void); | |
35 | void vcxk_cls(void); | |
36 | void vcxk_setbrightness(short brightness); | |
37 | int vcxk_request(void); | |
38 | int vcxk_acknowledge_wait(void); | |
39 | void vcxk_clear(void); | |
40 | ||
41 | int init_vcxk(void) | |
42 | { | |
43 | VIDEO_Invert_CFG &= ~VIDEO_Invert_IO; | |
44 | VIDEO_INVERT_PORT |= VIDEO_INVERT_PIN; | |
45 | VIDEO_INVERT_DDR |= VIDEO_INVERT_PIN; | |
46 | ||
47 | VIDEO_REQUEST_PORT |= VIDEO_REQUEST_PIN; | |
48 | VIDEO_REQUEST_DDR |= VIDEO_REQUEST_PIN; | |
49 | ||
50 | VIDEO_ACKNOWLEDGE_DDR &= ~VIDEO_ACKNOWLEDGE_PIN; | |
51 | ||
52 | vcxk_driver = search_vcxk_driver(); | |
53 | if (vcxk_driver) | |
54 | { | |
55 | /* use flash resist driver */ | |
56 | } | |
57 | else | |
58 | { | |
59 | vcxk_cls(); | |
60 | vcxk_cls(); | |
61 | vcxk_setbrightness(1000); | |
62 | } | |
63 | VIDEO_ENABLE_DDR |= VIDEO_ENABLE_PIN; | |
64 | VIDEO_ENABLE_PORT |= VIDEO_ENABLE_PIN; | |
65 | VIDEO_ENABLE_PORT &= ~VIDEO_ENABLE_PIN; | |
66 | return 1; | |
67 | } | |
68 | ||
dd520bf3 | 69 | void vcxk_loadimage(ulong source) |
9acb626f HS |
70 | { |
71 | int cnt; | |
72 | vcxk_acknowledge_wait(); | |
73 | for (cnt=0; cnt<16384; cnt++) | |
74 | { | |
75 | VCXK_BWS[cnt*2] = (*(vu_char*) source); | |
76 | source++; | |
77 | } | |
78 | vcxk_request(); | |
79 | } | |
80 | ||
81 | void vcxk_cls(void) | |
82 | { | |
83 | vcxk_acknowledge_wait(); | |
84 | vcxk_clear(); | |
85 | vcxk_request(); | |
86 | } | |
87 | ||
88 | void vcxk_clear(void) | |
89 | { | |
90 | int cnt; | |
91 | for (cnt=0; cnt<16384; cnt++) | |
92 | { | |
93 | VCXK_BWS[cnt*2] = 0x00; | |
94 | } | |
95 | } | |
96 | ||
97 | void vcxk_setbrightness(short brightness) | |
98 | { | |
99 | VCXK_BWS[0x8000]=(brightness >> 4) +2; | |
100 | VCXK_BWS[0xC000]= (brightness + 23) >> 8; | |
101 | VCXK_BWS[0xC001]= (brightness + 23) & 0xFF; | |
102 | } | |
103 | ||
104 | int vcxk_request(void) | |
105 | { | |
106 | if (vcxk_driver) | |
107 | { | |
108 | /* use flash resist driver */ | |
109 | } | |
110 | else | |
111 | { | |
112 | VIDEO_REQUEST_PORT &= ~VIDEO_REQUEST_PIN; | |
113 | VIDEO_REQUEST_PORT |= VIDEO_REQUEST_PIN; | |
114 | } | |
115 | return 1; | |
116 | } | |
117 | ||
118 | int vcxk_acknowledge_wait(void) | |
119 | { | |
120 | if (vcxk_driver) | |
121 | { | |
122 | /* use flash resist driver */ | |
123 | } | |
124 | else | |
125 | { | |
126 | while (!(VIDEO_ACKNOWLEDGE_PORT & VIDEO_ACKNOWLEDGE_PIN)); | |
127 | } | |
128 | return 1; | |
129 | } | |
130 | ||
131 | ulong search_vcxk_driver(void) | |
132 | { | |
133 | return 0; | |
134 | } | |
135 | ||
136 | /* eof */ |