summaryrefslogtreecommitdiffstats
path: root/firmware/target/arm/s5l8700/meizu-m3/lcd-m3.c
blob: 39b8f9b278c9d3677faae6c3680252472e3b4cf4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2008 by Denes Balatoni
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/
#include "config.h"

#include "hwcompat.h"
#include "kernel.h"
#include "lcd.h"
#include "system.h"
#include "cpu.h"
#include "inttypes.h"
#include "s5l8700.h"

/*** definitions ***/


/** globals **/
static uint8_t lcd_type;
static int xoffset; /* needed for flip */

/*** hardware configuration ***/

int lcd_default_contrast(void)
{
    return 0x1f;
}

void lcd_set_contrast(int val)
{
}

void lcd_set_invert_display(bool yesno)
{
}

/* turn the display upside down (call lcd_update() afterwards) */
void lcd_set_flip(bool yesno)
{
    /* TODO: flip mode isn't working.  The commands in the else part of
       this function are how the original firmware inits the LCD */

    if (yesno)
    {
        xoffset = 132 - LCD_WIDTH; /* 132 colums minus the 128 we have */
    }
    else 
    {
        xoffset = 0;
    }
}

static void lcd_sleep(uint32_t t)
{
    volatile uint32_t i;
    for(i=0;i<t;++i) t=t;
}

static uint8_t lcd_readdata()
{
        LCD_RDATA = 0;
        lcd_sleep(64);
        return (LCD_DBUFF/* & 0xff*/);
}

static void lcd_writereg(uint32_t reg, uint32_t data)
{
        LCD_WCMD = reg >> 8;
	LCD_WCMD = reg & 0xff;
	LCD_WDATA = data >> 8;
	LCD_WDATA = data & 0xff;
}

void lcd_on() {
    if (lcd_type == 1) {
        LCD_WCMD = 0x29;    
    } else {
	lcd_writereg(0x7, 0x21);
	lcd_writereg(0x12, 0x137);
	lcd_sleep(70000);
	lcd_writereg(0x7, 0x21);
	lcd_writereg(0x12, 0x1137);
	lcd_sleep(700000);
	lcd_writereg(0x7, 0x233);
    }
}

void lcd_off() {
    /* FIXME wait for DMA to finnish */
    if (lcd_type == 1) {
        LCD_WCMD = 0x28;
	LCD_WDATA = 0;
    } else {
    
    }
}

/* LCD init */
void lcd_init_device(void)
{
    uint8_t data[5];

/* init basic things */
    PWRCON &= ~0x800;
    PCON_ASRAM = 0x2;
    PCON7 = 0x12222233;

    LCD_CON = 0xca0;
    LCD_PHTIME = 0;
    LCD_INTCON = 0;
    LCD_RST_TIME = 0x7ff;

/* detect lcd type */
    LCD_WCMD = 0x1;
    lcd_sleep(166670);
    LCD_WCMD = 0x11;
    lcd_sleep(2000040);
    lcd_readdata();
    LCD_WCMD = 0x4;
    lcd_sleep(100);
    data[0]=lcd_readdata();
    data[1]=lcd_readdata();
    data[2]=lcd_readdata();
    data[3]=lcd_readdata();
    data[4]=lcd_readdata();
    
    lcd_type=0;
    if (((data[1]==0x38) && ((data[2] & 0xf0) == 0x80)) ||
        ((data[2]==0x38) && ((data[3] & 0xf0) == 0x80)))
        lcd_type=1;
    
/* init lcd */
    if (lcd_type == 1) {
        LCD_WCMD = 0x3a;
        LCD_WDATA = 0x6;
        LCD_WCMD = 0xab;
        LCD_WCMD = 0x35;
        LCD_WDATA = 0;
        LCD_WCMD=0x13;
        LCD_WCMD = 0x2a;
        LCD_WDATA = 0;
        LCD_WDATA = 0;
        LCD_WCMD = 0x2b;
        LCD_WDATA = 0;
        LCD_WDATA = 0;
        LCD_WCMD = 0x29;
    } else {
        LCD_WCMD = 0x0;
        LCD_WCMD = 0x0;
        LCD_WCMD = 0x0;
        LCD_WCMD = 0x0;
        lcd_sleep(700000);
	lcd_writereg(0xa4, 0x1);
        lcd_sleep(1100000);
	lcd_writereg(0x1, 0x100);
	lcd_writereg(0x2, 0x300);
	lcd_writereg(0x3, 0x9230);
	lcd_writereg(0x8, 0x404);
	lcd_writereg(0xe, 0x10);
	lcd_writereg(0x70, 0x1000);
	lcd_writereg(0x71, 0x1);
	lcd_writereg(0x30, 0x2);
	lcd_writereg(0x31, 0x400);
	lcd_writereg(0x32, 0x7);
	lcd_writereg(0x33, 0x500);
	lcd_writereg(0x34, 0x7);
	lcd_writereg(0x35, 0x703);
	lcd_writereg(0x36, 0x507);
	lcd_writereg(0x37, 0x5);
	lcd_writereg(0x38, 0x1404);
	lcd_writereg(0x39, 0xe);
	lcd_writereg(0x40, 0x202);
	lcd_writereg(0x41, 0x3);
	lcd_writereg(0x42, 0x0);
	lcd_writereg(0x43, 0x200);
	lcd_writereg(0x44, 0x707);
	lcd_writereg(0x45, 0x407);
	lcd_writereg(0x46, 0x505);
	lcd_writereg(0x47, 0x2);
	lcd_writereg(0x48, 0x4);
	lcd_writereg(0x49, 0x4);
	lcd_writereg(0x60, 0x202);
	lcd_writereg(0x61, 0x3);
	lcd_writereg(0x62, 0x0);
	lcd_writereg(0x63, 0x200);
	lcd_writereg(0x64, 0x707);
	lcd_writereg(0x65, 0x407);
	lcd_writereg(0x66, 0x505);
	lcd_writereg(0x67, 0x2);
	lcd_writereg(0x68, 0x4);
	lcd_writereg(0x69, 0x4);
	lcd_writereg(0x7, 0x1);
	lcd_writereg(0x18, 0x1);
	lcd_writereg(0x10, 0x1690);
	lcd_writereg(0x11, 0x100);
	lcd_writereg(0x12, 0x117);
	lcd_writereg(0x13, 0xf80);
	lcd_writereg(0x12, 0x137);
	lcd_writereg(0x20, 0x0);
	lcd_writereg(0x21, 0x0);
	lcd_writereg(0x50, 0x0);
	lcd_writereg(0x51, 0xaf);
	lcd_writereg(0x52, 0x0);
	lcd_writereg(0x53, 0x83);
	lcd_writereg(0x90, 0x0);
	lcd_writereg(0x91, 0x0);
	lcd_writereg(0x92, 0x0);
	lcd_writereg(0x98, 0x0);
	lcd_writereg(0x99, 0x903);
	lcd_writereg(0x9a, 0x502);
	lcd_writereg(0x9b, 0x300);
	LCD_WCMD = 0x0;
	LCD_WCMD = 0x22;
	lcd_sleep(700000);
	lcd_on();
    }
}

/*** Update functions ***/

/* Performance function that works with an external buffer
   note that by and bheight are in 8-pixel units! */
void lcd_blit_mono(const unsigned char *data, int x, int by, int width,
                   int bheight, int stride)
{
    /* Copy display bitmap to hardware */
    while (bheight--)
    {
    }
}


/* Performance function that works with an external buffer
   note that by and bheight are in 8-pixel units! */
void lcd_blit_grey_phase_blit(unsigned char *values, unsigned char *phases,
                         int x, int by, int width, int bheight, int stride)
{
    (void)values;
    (void)phases;
    (void)x;
    (void)by;
    (void)width;
    (void)bheight;
    (void)stride;
}

/* Update the display.
   This must be called after all other LCD functions that change the display. */
void lcd_update(void) ICODE_ATTR;
void lcd_update(void)
{
    int i;
    fb_data *p;

    /* Copy display bitmap to hardware */
    if (lcd_type == 1) {
        LCD_WCMD = 0x2a;
	LCD_WDATA = 0;
	LCD_WDATA = 0;
	LCD_WDATA = 0;
	LCD_WDATA = 0xaf;
        LCD_WCMD = 0x2b;
	LCD_WDATA = 0;
	LCD_WDATA = 0;
	LCD_WDATA = 0;
	LCD_WDATA = 0x83;
	LCD_WCMD = 0x2c;
    } else {
	lcd_writereg(0x20, 0x0);
	lcd_writereg(0x21, 0x0);
	LCD_WCMD = 0;
	LCD_WCMD = 0x22;
    }
    for(p=&lcd_framebuffer[0][0], i=0;i<LCD_WIDTH*LCD_FBHEIGHT;++i, ++p) {
        LCD_WDATA = RGB_UNPACK_RED(*p)<<3;
        LCD_WDATA = RGB_UNPACK_GREEN(*p)<<2;
        LCD_WDATA = RGB_UNPACK_BLUE(*p)<<3;
        lcd_sleep(3); /* if data is sent too fast to lcdif, machine freezes */
    }
}

/* Update a fraction of the display. */
void lcd_update_rect(int, int, int, int) ICODE_ATTR;
void lcd_update_rect(int x, int y, int width, int height)
{
    lcd_update();
}