diff options
Diffstat (limited to 'firmware/target/arm/pnx0101/iriver-ifp7xx/lcd-ifp7xx.c')
-rw-r--r-- | firmware/target/arm/pnx0101/iriver-ifp7xx/lcd-ifp7xx.c | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/firmware/target/arm/pnx0101/iriver-ifp7xx/lcd-ifp7xx.c b/firmware/target/arm/pnx0101/iriver-ifp7xx/lcd-ifp7xx.c deleted file mode 100644 index 1ad604d50c..0000000000 --- a/firmware/target/arm/pnx0101/iriver-ifp7xx/lcd-ifp7xx.c +++ /dev/null | |||
@@ -1,224 +0,0 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2002 by Alan Korr | ||
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 | |||
23 | #include "kernel.h" | ||
24 | #include "lcd.h" | ||
25 | #include "system.h" | ||
26 | |||
27 | /*** definitions ***/ | ||
28 | |||
29 | #define LCD_SET_LOWER_COLUMN_ADDRESS ((char)0x00) | ||
30 | #define LCD_SET_HIGHER_COLUMN_ADDRESS ((char)0x10) | ||
31 | #define LCD_SET_INTERNAL_REGULATOR_RESISTOR_RATIO ((char)0x20) | ||
32 | #define LCD_SET_POWER_CONTROL_REGISTER ((char)0x28) | ||
33 | #define LCD_SET_DISPLAY_START_LINE ((char)0x40) | ||
34 | #define LCD_SET_CONTRAST_CONTROL_REGISTER ((char)0x81) | ||
35 | #define LCD_SET_SEGMENT_REMAP ((char)0xA0) | ||
36 | #define LCD_SET_LCD_BIAS ((char)0xA2) | ||
37 | #define LCD_SET_ENTIRE_DISPLAY_OFF ((char)0xA4) | ||
38 | #define LCD_SET_ENTIRE_DISPLAY_ON ((char)0xA5) | ||
39 | #define LCD_SET_NORMAL_DISPLAY ((char)0xA6) | ||
40 | #define LCD_SET_REVERSE_DISPLAY ((char)0xA7) | ||
41 | #define LCD_SET_MULTIPLEX_RATIO ((char)0xA8) | ||
42 | #define LCD_SET_BIAS_TC_OSC ((char)0xA9) | ||
43 | #define LCD_SET_1OVER4_BIAS_RATIO ((char)0xAA) | ||
44 | #define LCD_SET_INDICATOR_OFF ((char)0xAC) | ||
45 | #define LCD_SET_INDICATOR_ON ((char)0xAD) | ||
46 | #define LCD_SET_DISPLAY_OFF ((char)0xAE) | ||
47 | #define LCD_SET_DISPLAY_ON ((char)0xAF) | ||
48 | #define LCD_SET_PAGE_ADDRESS ((char)0xB0) | ||
49 | #define LCD_SET_COM_OUTPUT_SCAN_DIRECTION ((char)0xC0) | ||
50 | #define LCD_SET_TOTAL_FRAME_PHASES ((char)0xD2) | ||
51 | #define LCD_SET_DISPLAY_OFFSET ((char)0xD3) | ||
52 | #define LCD_SET_READ_MODIFY_WRITE_MODE ((char)0xE0) | ||
53 | #define LCD_SOFTWARE_RESET ((char)0xE2) | ||
54 | #define LCD_NOP ((char)0xE3) | ||
55 | #define LCD_SET_END_OF_READ_MODIFY_WRITE_MODE ((char)0xEE) | ||
56 | |||
57 | /* LCD command codes */ | ||
58 | #define LCD_CNTL_RESET 0xe2 /* Software reset */ | ||
59 | #define LCD_CNTL_POWER 0x2f /* Power control */ | ||
60 | #define LCD_CNTL_CONTRAST 0x81 /* Contrast */ | ||
61 | #define LCD_CNTL_OUTSCAN 0xc8 /* Output scan direction */ | ||
62 | #define LCD_CNTL_SEGREMAP 0xa1 /* Segment remap */ | ||
63 | #define LCD_CNTL_DISPON 0xaf /* Display on */ | ||
64 | |||
65 | #define LCD_CNTL_PAGE 0xb0 /* Page address */ | ||
66 | #define LCD_CNTL_HIGHCOL 0x10 /* Upper column address */ | ||
67 | #define LCD_CNTL_LOWCOL 0x00 /* Lower column address */ | ||
68 | |||
69 | /*** driver routines ***/ | ||
70 | |||
71 | void lcd_write_command(int cmd) | ||
72 | { | ||
73 | while ((LCDSTAT & 3) != 3); | ||
74 | LCDCMD = cmd; | ||
75 | } | ||
76 | |||
77 | void lcd_write_data( const unsigned char* data, int count ) | ||
78 | { | ||
79 | int i; | ||
80 | for (i=0; i < count; i++) { | ||
81 | while ((LCDSTAT & 3) != 3); | ||
82 | LCDDATA = data[i]; | ||
83 | } | ||
84 | } | ||
85 | |||
86 | /*** hardware configuration ***/ | ||
87 | |||
88 | int lcd_default_contrast(void) | ||
89 | { | ||
90 | return 45; | ||
91 | } | ||
92 | |||
93 | void lcd_set_contrast(int val) | ||
94 | { | ||
95 | lcd_write_command(LCD_CNTL_CONTRAST); | ||
96 | lcd_write_command(val); | ||
97 | } | ||
98 | |||
99 | void lcd_set_invert_display(bool yesno) | ||
100 | { | ||
101 | if (yesno) | ||
102 | lcd_write_command(LCD_SET_REVERSE_DISPLAY); | ||
103 | else | ||
104 | lcd_write_command(LCD_SET_NORMAL_DISPLAY); | ||
105 | } | ||
106 | |||
107 | /* turn the display upside down (call lcd_update() afterwards) */ | ||
108 | void lcd_set_flip(bool yesno) | ||
109 | { | ||
110 | if (yesno) | ||
111 | { | ||
112 | lcd_write_command(LCD_SET_SEGMENT_REMAP); | ||
113 | lcd_write_command(LCD_SET_COM_OUTPUT_SCAN_DIRECTION); | ||
114 | } | ||
115 | else | ||
116 | { | ||
117 | lcd_write_command(LCD_SET_SEGMENT_REMAP | 0x01); | ||
118 | lcd_write_command(LCD_SET_COM_OUTPUT_SCAN_DIRECTION | 0x08); | ||
119 | } | ||
120 | } | ||
121 | |||
122 | void lcd_init_device(void) | ||
123 | { | ||
124 | LCDREG10 = 0xf; | ||
125 | LCDREG04 = 0x4084; | ||
126 | |||
127 | /* inits like the original firmware */ | ||
128 | lcd_write_command(LCD_SOFTWARE_RESET); | ||
129 | lcd_write_command(LCD_SET_INTERNAL_REGULATOR_RESISTOR_RATIO + 4); | ||
130 | lcd_write_command(LCD_SET_LCD_BIAS); | ||
131 | lcd_write_command(LCD_SET_POWER_CONTROL_REGISTER + 7); | ||
132 | /* power control register: op-amp=1, regulator=1, booster=1 */ | ||
133 | lcd_write_command(LCD_SET_DISPLAY_ON); | ||
134 | lcd_write_command(LCD_SET_NORMAL_DISPLAY); | ||
135 | lcd_set_flip(false); | ||
136 | lcd_write_command(LCD_SET_DISPLAY_START_LINE + 0); | ||
137 | lcd_set_contrast(lcd_default_contrast()); | ||
138 | lcd_write_command(LCD_SET_PAGE_ADDRESS); | ||
139 | lcd_write_command(LCD_SET_LOWER_COLUMN_ADDRESS + 0); | ||
140 | lcd_write_command(LCD_SET_HIGHER_COLUMN_ADDRESS + 0); | ||
141 | |||
142 | lcd_clear_display(); | ||
143 | lcd_update(); | ||
144 | } | ||
145 | |||
146 | /*** Update functions ***/ | ||
147 | |||
148 | /* Performance function that works with an external buffer | ||
149 | note that by and bheight are in 8-pixel units! */ | ||
150 | void lcd_blit_mono(const unsigned char *data, int x, int by, int width, | ||
151 | int bheight, int stride) | ||
152 | { | ||
153 | /* Copy display bitmap to hardware */ | ||
154 | while (bheight--) | ||
155 | { | ||
156 | lcd_write_command (LCD_CNTL_PAGE | (by++ & 0xf)); | ||
157 | lcd_write_command (LCD_CNTL_HIGHCOL | (((x+4)>>4) & 0xf)); | ||
158 | lcd_write_command (LCD_CNTL_LOWCOL | ((x+4) & 0xf)); | ||
159 | |||
160 | lcd_write_data(data, width); | ||
161 | data += stride; | ||
162 | } | ||
163 | } | ||
164 | |||
165 | |||
166 | /* Performance function that works with an external buffer | ||
167 | note that by and bheight are in 8-pixel units! */ | ||
168 | void lcd_blit_grey_phase(unsigned char *values, unsigned char *phases, | ||
169 | int x, int by, int width, int bheight, int stride) | ||
170 | { | ||
171 | (void)values; | ||
172 | (void)phases; | ||
173 | (void)x; | ||
174 | (void)by; | ||
175 | (void)width; | ||
176 | (void)bheight; | ||
177 | (void)stride; | ||
178 | } | ||
179 | |||
180 | /* Update the display. | ||
181 | This must be called after all other LCD functions that change the display. */ | ||
182 | void lcd_update(void) ICODE_ATTR; | ||
183 | void lcd_update(void) | ||
184 | { | ||
185 | int y; | ||
186 | |||
187 | /* Copy display bitmap to hardware */ | ||
188 | for (y = 0; y < LCD_FBHEIGHT; y++) | ||
189 | { | ||
190 | lcd_write_command (LCD_CNTL_PAGE | (y & 0xf)); | ||
191 | lcd_write_command (LCD_CNTL_HIGHCOL); | ||
192 | lcd_write_command (LCD_CNTL_LOWCOL | 4); | ||
193 | |||
194 | lcd_write_data (FBADDR(0, y), LCD_WIDTH); | ||
195 | } | ||
196 | } | ||
197 | |||
198 | /* Update a fraction of the display. */ | ||
199 | void lcd_update_rect(int, int, int, int) ICODE_ATTR; | ||
200 | void lcd_update_rect(int x, int y, int width, int height) | ||
201 | { | ||
202 | int ymax; | ||
203 | |||
204 | /* The Y coordinates have to work on even 8 pixel rows */ | ||
205 | ymax = (y + height-1) >> 3; | ||
206 | y >>= 3; | ||
207 | |||
208 | if(x + width > LCD_WIDTH) | ||
209 | width = LCD_WIDTH - x; | ||
210 | if (width <= 0) | ||
211 | return; /* nothing left to do, 0 is harmful to lcd_write_data() */ | ||
212 | if(ymax >= LCD_FBHEIGHT) | ||
213 | ymax = LCD_FBHEIGHT-1; | ||
214 | |||
215 | /* Copy specified rectange bitmap to hardware */ | ||
216 | for (; y <= ymax; y++) | ||
217 | { | ||
218 | lcd_write_command (LCD_CNTL_PAGE | (y & 0xf)); | ||
219 | lcd_write_command (LCD_CNTL_HIGHCOL | (((x+4) >> 4) & 0xf)); | ||
220 | lcd_write_command (LCD_CNTL_LOWCOL | ((x+4) & 0xf)); | ||
221 | |||
222 | lcd_write_data (FBADDR(x,y), width); | ||
223 | } | ||
224 | } | ||