diff options
Diffstat (limited to 'firmware/target/arm/philips/hdd6330/lcd-hdd6330.c')
-rw-r--r-- | firmware/target/arm/philips/hdd6330/lcd-hdd6330.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/firmware/target/arm/philips/hdd6330/lcd-hdd6330.c b/firmware/target/arm/philips/hdd6330/lcd-hdd6330.c new file mode 100644 index 0000000000..3d9cb036f1 --- /dev/null +++ b/firmware/target/arm/philips/hdd6330/lcd-hdd6330.c | |||
@@ -0,0 +1,159 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2009 by Mark Arigo | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | #include "config.h" | ||
22 | #include "cpu.h" | ||
23 | #include "lcd.h" | ||
24 | #include "kernel.h" | ||
25 | #include "system.h" | ||
26 | |||
27 | /* Display status */ | ||
28 | static unsigned lcd_yuv_options SHAREDBSS_ATTR = 0; | ||
29 | |||
30 | /* wait for LCD */ | ||
31 | static inline void lcd_wait_write(void) | ||
32 | { | ||
33 | int i = 0; | ||
34 | while (LCD2_PORT & LCD2_BUSY_MASK) | ||
35 | { | ||
36 | if (i < 2000) | ||
37 | i++; | ||
38 | else | ||
39 | LCD2_PORT &= ~LCD2_BUSY_MASK; | ||
40 | } | ||
41 | } | ||
42 | |||
43 | /* send LCD data */ | ||
44 | static void lcd_send_data(unsigned data) | ||
45 | { | ||
46 | lcd_wait_write(); | ||
47 | LCD2_PORT = LCD2_DATA_MASK | (data & 0xff); | ||
48 | } | ||
49 | |||
50 | /* send LCD command */ | ||
51 | static void lcd_send_cmd(unsigned cmd) | ||
52 | { | ||
53 | lcd_wait_write(); | ||
54 | LCD2_PORT = LCD2_CMD_MASK | (cmd & 0xff); | ||
55 | lcd_wait_write(); | ||
56 | } | ||
57 | |||
58 | static inline void lcd_send_pixel(unsigned pixel) | ||
59 | { | ||
60 | lcd_send_data(pixel >> 8); | ||
61 | lcd_send_data(pixel); | ||
62 | } | ||
63 | |||
64 | void lcd_init_device(void) | ||
65 | { | ||
66 | /* init handled by the OF bootloader */ | ||
67 | } | ||
68 | |||
69 | /*** hardware configuration ***/ | ||
70 | int lcd_default_contrast(void) | ||
71 | { | ||
72 | return DEFAULT_CONTRAST_SETTING; | ||
73 | } | ||
74 | |||
75 | void lcd_set_contrast(int val) | ||
76 | { | ||
77 | (void)val; | ||
78 | } | ||
79 | |||
80 | void lcd_set_invert_display(bool yesno) | ||
81 | { | ||
82 | (void)yesno; | ||
83 | } | ||
84 | |||
85 | /* turn the display upside down (call lcd_update() afterwards) */ | ||
86 | void lcd_set_flip(bool yesno) | ||
87 | { | ||
88 | (void)yesno; | ||
89 | } | ||
90 | |||
91 | void lcd_yuv_set_options(unsigned options) | ||
92 | { | ||
93 | lcd_yuv_options = options; | ||
94 | } | ||
95 | |||
96 | /* Performance function to blit a YUV bitmap directly to the LCD */ | ||
97 | void lcd_blit_yuv(unsigned char * const src[3], | ||
98 | int src_x, int src_y, int stride, | ||
99 | int x, int y, int width, int height) | ||
100 | { | ||
101 | (void)src; | ||
102 | (void)src_x; | ||
103 | (void)src_y; | ||
104 | (void)stride; | ||
105 | (void)x; | ||
106 | (void)y; | ||
107 | (void)width; | ||
108 | (void)height; | ||
109 | } | ||
110 | |||
111 | /* Update the display. | ||
112 | This must be called after all other LCD functions that change the display. */ | ||
113 | void lcd_update(void) | ||
114 | { | ||
115 | lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT); | ||
116 | } | ||
117 | |||
118 | /* Update a fraction of the display. */ | ||
119 | void lcd_update_rect(int x, int y, int width, int height) | ||
120 | { | ||
121 | const fb_data *addr; | ||
122 | |||
123 | if (x + width >= LCD_WIDTH) | ||
124 | width = LCD_WIDTH - x; | ||
125 | if (y + height >= LCD_HEIGHT) | ||
126 | height = LCD_HEIGHT - y; | ||
127 | |||
128 | if ((width <= 0) || (height <= 0)) | ||
129 | return; /* Nothing left to do. */ | ||
130 | |||
131 | addr = &lcd_framebuffer[y][x]; | ||
132 | |||
133 | lcd_send_cmd(0x01); | ||
134 | lcd_send_data(0x48); | ||
135 | |||
136 | lcd_send_cmd(0x05); | ||
137 | lcd_send_data(0x0f); | ||
138 | |||
139 | lcd_send_cmd(0x08); | ||
140 | lcd_send_data(y); | ||
141 | |||
142 | lcd_send_cmd(0x09); | ||
143 | lcd_send_data(y + height - 1); | ||
144 | |||
145 | lcd_send_cmd(0x0a); | ||
146 | lcd_send_data(x + 16); | ||
147 | |||
148 | lcd_send_cmd(0x0b); | ||
149 | lcd_send_data(x + width - 1 + 16); | ||
150 | |||
151 | lcd_send_cmd(0x06); | ||
152 | do { | ||
153 | int w = width; | ||
154 | do { | ||
155 | lcd_send_pixel(*addr++); | ||
156 | } while (--w > 0); | ||
157 | addr += LCD_WIDTH - width; | ||
158 | } while (--height > 0); | ||
159 | } | ||