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
|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Maurus Cuelenaere
*
* 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 "jz4740.h"
#include "lcd-target.h"
#define PIN_CS_N (32*1+17) /* Chip select */
#define PIN_RESET_N (32*1+18) /* Reset */
#define PIN_UNK_N (32*2+19)
#define my__gpio_as_lcd_16bit() \
do { \
REG_GPIO_PXFUNS(2) = 0x0014ffff; \
REG_GPIO_PXSELC(2) = 0x0014ffff; \
REG_GPIO_PXPES(2) = 0x0014ffff; \
} while (0)
#define SLEEP(x) for(i=0; i<x; i++) asm("nop"); asm("nop");
#define DELAY SLEEP(700000);
static void _display_pin_init(void)
{
int i;
my__gpio_as_lcd_16bit();
__gpio_as_output(PIN_UNK_N);
__gpio_set_pin(PIN_UNK_N);
__gpio_as_output(PIN_CS_N);
__gpio_as_output(PIN_RESET_N);
DELAY; /* delay_ms(10); */
__gpio_clear_pin(PIN_CS_N);
DELAY; /* delay_ms(10); */
__gpio_set_pin(PIN_RESET_N);
DELAY; /* delay_ms(10); */
__gpio_clear_pin(PIN_RESET_N);
DELAY; /* delay_ms(10); */
__gpio_set_pin(PIN_RESET_N);
DELAY; /* delay_ms(10); */
}
#define WAIT_ON_SLCD while(REG_SLCD_STATE & SLCD_STATE_BUSY);
#define SLCD_SET_DATA(x) REG_SLCD_DATA = (x) | SLCD_DATA_RS_DATA;
#define SLCD_SET_COMMAND(x) REG_SLCD_DATA = (x) | SLCD_DATA_RS_COMMAND;
#define SLCD_SEND_COMMAND(cmd,val) \
__gpio_clear_pin(PIN_UNK_N); \
SLCD_SET_COMMAND(cmd); \
WAIT_ON_SLCD; \
__gpio_set_pin(PIN_UNK_N); \
SLCD_SET_DATA(val); \
WAIT_ON_SLCD;
static void _display_init(void)
{
int i;
SLCD_SEND_COMMAND(0xE3, 0x8);
SLCD_SEND_COMMAND(0xE4, 0x1411);
SLCD_SEND_COMMAND(0xE5, 0x8000);
SLCD_SEND_COMMAND(0x0, 0x1);
DELAY; /* delay_ms(10); */
SLCD_SEND_COMMAND(0x1, 0x100);
SLCD_SEND_COMMAND(0x2, 0x400);
SLCD_SEND_COMMAND(0x3, 0x1028);
SLCD_SEND_COMMAND(0x4, 0);
SLCD_SEND_COMMAND(0x8, 0x202);
SLCD_SEND_COMMAND(0x9, 0);
SLCD_SEND_COMMAND(0xA, 0);
SLCD_SEND_COMMAND(0xC, 0);
SLCD_SEND_COMMAND(0xD, 0);
SLCD_SEND_COMMAND(0xF, 0);
SLCD_SEND_COMMAND(0x10, 0);
SLCD_SEND_COMMAND(0x11, 0x7);
SLCD_SEND_COMMAND(0x12, 0);
SLCD_SEND_COMMAND(0x13, 0);
SLCD_SEND_COMMAND(0x10, 0x17B0);
SLCD_SEND_COMMAND(0x11, 0x4);
SLCD_SEND_COMMAND(0x12, 0x13C);
SLCD_SEND_COMMAND(0x13, 0x1B00);
SLCD_SEND_COMMAND(0x29, 0x16);
SLCD_SEND_COMMAND(0x20, 0);
SLCD_SEND_COMMAND(0x21, 0);
SLCD_SEND_COMMAND(0x2B, 0x20);
SLCD_SEND_COMMAND(0x30, 0);
SLCD_SEND_COMMAND(0x31, 0x403);
SLCD_SEND_COMMAND(0x32, 0x400);
SLCD_SEND_COMMAND(0x35, 0x5);
SLCD_SEND_COMMAND(0x36, 0x6);
SLCD_SEND_COMMAND(0x37, 0x606);
SLCD_SEND_COMMAND(0x38, 0x106);
SLCD_SEND_COMMAND(0x39, 0x7);
SLCD_SEND_COMMAND(0x3C, 0x700);
SLCD_SEND_COMMAND(0x3D, 0x707);
SLCD_SEND_COMMAND(0x50, 0);
SLCD_SEND_COMMAND(0x51, 239);
SLCD_SEND_COMMAND(0x52, 0);
SLCD_SEND_COMMAND(0x53, 319);
SLCD_SEND_COMMAND(0x60, 0x2700);
SLCD_SEND_COMMAND(0x61, 0x1);
SLCD_SEND_COMMAND(0x6A, 0);
SLCD_SEND_COMMAND(0x80, 0);
SLCD_SEND_COMMAND(0x81, 0);
SLCD_SEND_COMMAND(0x82, 0);
SLCD_SEND_COMMAND(0x83, 0);
SLCD_SEND_COMMAND(0x84, 0);
SLCD_SEND_COMMAND(0x85, 0);
SLCD_SEND_COMMAND(0x90, 0x10);
SLCD_SEND_COMMAND(0x92, 0);
SLCD_SEND_COMMAND(0x93, 0x3);
SLCD_SEND_COMMAND(0x95, 0x110);
SLCD_SEND_COMMAND(0x97, 0);
SLCD_SEND_COMMAND(0x98, 0);
SLCD_SEND_COMMAND(0x7, 0x173);
__gpio_clear_pin(PIN_UNK_N);
SLCD_SET_COMMAND(0x22);
WAIT_ON_SLCD;
__gpio_set_pin(PIN_UNK_N);
}
static void _display_on(void)
{
}
static void _display_off(void)
{
}
static void _set_lcd_bus(void)
{
REG_LCD_CFG &= ~LCD_CFG_LCDPIN_MASK;
REG_LCD_CFG |= LCD_CFG_LCDPIN_SLCD;
REG_SLCD_CFG = (SLCD_CFG_BURST_4_WORD | SLCD_CFG_DWIDTH_18 | SLCD_CFG_CWIDTH_18BIT
| SLCD_CFG_CS_ACTIVE_LOW | SLCD_CFG_RS_CMD_LOW | SLCD_CFG_CLK_ACTIVE_FALLING
| SLCD_CFG_TYPE_PARALLEL);
REG_SLCD_CTRL = SLCD_CTRL_DMA_EN;
}
static void _set_lcd_clock(void)
{
unsigned int val;
int pll_div;
__cpm_stop_lcd();
pll_div = ( REG_CPM_CPCCR & CPM_CPCCR_PCS ); /* clock source, 0:pllout/2 1: pllout */
pll_div = pll_div ? 1 : 2 ;
val = ( __cpm_get_pllout()/pll_div ) / 336000000;
val--;
if ( val > 0x1ff )
val = 0x1ff; /* CPM_LPCDR is too large, set it to 0x1ff */
__cpm_set_pixdiv(val);
__cpm_start_lcd();
}
void lcd_init_controller(void)
{
int i;
_display_pin_init();
_set_lcd_bus();
_set_lcd_clock();
SLEEP(1000);
_display_init();
}
void lcd_set_target(short x, short y, short width, short height)
{
SLCD_SEND_COMMAND(0x50, y);
SLCD_SEND_COMMAND(0x51, y+height-1);
SLCD_SEND_COMMAND(0x52, x);
SLCD_SEND_COMMAND(0x53, x+width-1);
/* TODO */
__gpio_clear_pin(PIN_UNK_N);
SLCD_SET_COMMAND(0x22);
WAIT_ON_SLCD;
__gpio_set_pin(PIN_UNK_N);
}
void lcd_on(void)
{
_display_on();
}
void lcd_off(void)
{
_display_off();
}
|
