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-rw-r--r--firmware/target/arm/imx233/sansa-fuzeplus/adc-target.h24
-rw-r--r--firmware/target/arm/imx233/sansa-fuzeplus/backlight-fuzeplus.c66
-rw-r--r--firmware/target/arm/imx233/sansa-fuzeplus/backlight-target.h29
-rw-r--r--firmware/target/arm/imx233/sansa-fuzeplus/button-fuzeplus.c30
-rw-r--r--firmware/target/arm/imx233/sansa-fuzeplus/button-target.h44
-rw-r--r--firmware/target/arm/imx233/sansa-fuzeplus/lcd-fuzeplus.c376
6 files changed, 569 insertions, 0 deletions
diff --git a/firmware/target/arm/imx233/sansa-fuzeplus/adc-target.h b/firmware/target/arm/imx233/sansa-fuzeplus/adc-target.h
new file mode 100644
index 0000000000..e6b5152f5b
--- /dev/null
+++ b/firmware/target/arm/imx233/sansa-fuzeplus/adc-target.h
@@ -0,0 +1,24 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2011 by Amaury Pouly
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#ifndef _ADC_TARGET_H_
22#define _ADC_TARGET_H_
23
24#endif
diff --git a/firmware/target/arm/imx233/sansa-fuzeplus/backlight-fuzeplus.c b/firmware/target/arm/imx233/sansa-fuzeplus/backlight-fuzeplus.c
new file mode 100644
index 0000000000..0638e30aeb
--- /dev/null
+++ b/firmware/target/arm/imx233/sansa-fuzeplus/backlight-fuzeplus.c
@@ -0,0 +1,66 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2011 by Amaury Pouly
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
22#include "config.h"
23#include "system.h"
24#include "lcd.h"
25#include "backlight.h"
26#include "backlight-target.h"
27#include "pinctrl-imx233.h"
28
29void _backlight_set_brightness(int brightness)
30{
31 imx233_set_gpio_output(1, 28, false);
32 udelay(600);
33 while(brightness-- > 0)
34 {
35 imx233_set_gpio_output(1, 28, false);
36 imx233_set_gpio_output(1, 28, true);
37 }
38}
39
40bool _backlight_init(void)
41{
42 imx233_set_pin_function(1, 28, PINCTRL_FUNCTION_GPIO);
43 imx233_set_pin_drive_strength(1, 28, PINCTRL_DRIVE_8mA);
44 imx233_enable_gpio_output(1, 28, true);
45 imx233_set_gpio_output(1, 29, true);
46 udelay(600);
47 _backlight_set_brightness(100);
48 return true;
49}
50
51void _backlight_on(void)
52{
53#ifdef HAVE_LCD_ENABLE
54 lcd_enable(true); /* power on lcd + visible display */
55#endif
56 /* don't do anything special, the core will set the brightness */
57}
58
59void _backlight_off(void)
60{
61 /* there is no real on/off but we can set to 0 brightness */
62 _backlight_set_brightness(0);
63#ifdef HAVE_LCD_ENABLE
64 lcd_enable(false); /* power off visible display */
65#endif
66}
diff --git a/firmware/target/arm/imx233/sansa-fuzeplus/backlight-target.h b/firmware/target/arm/imx233/sansa-fuzeplus/backlight-target.h
new file mode 100644
index 0000000000..e3766965d8
--- /dev/null
+++ b/firmware/target/arm/imx233/sansa-fuzeplus/backlight-target.h
@@ -0,0 +1,29 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2011 by Amaury Pouly
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#ifndef BACKLIGHT_TARGET_H
22#define BACKLIGHT_TARGET_H
23
24bool _backlight_init(void);
25void _backlight_on(void);
26void _backlight_off(void);
27void _backlight_set_brightness(int brightness);
28
29#endif /* BACKLIGHT_TARGET_H */
diff --git a/firmware/target/arm/imx233/sansa-fuzeplus/button-fuzeplus.c b/firmware/target/arm/imx233/sansa-fuzeplus/button-fuzeplus.c
new file mode 100644
index 0000000000..7f37d67d43
--- /dev/null
+++ b/firmware/target/arm/imx233/sansa-fuzeplus/button-fuzeplus.c
@@ -0,0 +1,30 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2011 by Amaury Pouly
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 "button-target.h"
22
23void button_init_device(void)
24{
25}
26
27int button_read_device(void)
28{
29 return 0;
30}
diff --git a/firmware/target/arm/imx233/sansa-fuzeplus/button-target.h b/firmware/target/arm/imx233/sansa-fuzeplus/button-target.h
new file mode 100644
index 0000000000..b5d27bb176
--- /dev/null
+++ b/firmware/target/arm/imx233/sansa-fuzeplus/button-target.h
@@ -0,0 +1,44 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2011 by Amaury Pouly
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#ifndef _BUTTON_TARGET_H_
22#define _BUTTON_TARGET_H_
23
24#include <stdbool.h>
25#include "config.h"
26
27void button_init_device(void);
28int button_read_device(void);
29
30/* Main unit's buttons */
31#define BUTTON_POWER 0x00000001
32
33#define BUTTON_VOL_UP 0x00000002
34#define BUTTON_VOL_DOWN 0x00000004
35
36#define BUTTON_MAIN (BUTTON_VOL_UP|BUTTON_VOL_DOWN|BUTTON_POWER)
37
38#define BUTTON_REMOTE 0
39
40/* Software power-off */
41#define POWEROFF_BUTTON BUTTON_POWER
42#define POWEROFF_COUNT 10
43
44#endif /* _BUTTON_TARGET_H_ */
diff --git a/firmware/target/arm/imx233/sansa-fuzeplus/lcd-fuzeplus.c b/firmware/target/arm/imx233/sansa-fuzeplus/lcd-fuzeplus.c
new file mode 100644
index 0000000000..d6f8f5323b
--- /dev/null
+++ b/firmware/target/arm/imx233/sansa-fuzeplus/lcd-fuzeplus.c
@@ -0,0 +1,376 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (c) 2011 by Amaury Pouly
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 <string.h>
22#include "cpu.h"
23#include "system.h"
24#include "backlight-target.h"
25#include "lcd.h"
26#include "lcdif-imx233.h"
27#include "clkctrl-imx233.h"
28#include "pinctrl-imx233.h"
29
30#define logf(...)
31
32static enum lcd_kind_t
33{
34 LCD_KIND_7783 = 0x7783,
35 LCD_KIND_9325 = 0x9325,
36 LCD_KIND_OTHER = 0,
37} lcd_kind = LCD_KIND_OTHER;
38
39static void setup_parameters(void)
40{
41 imx233_lcdif_reset();
42 imx233_lcdif_set_lcd_databus_width(HW_LCDIF_CTRL__LCD_DATABUS_WIDTH_18_BIT);
43 imx233_lcdif_set_word_length(HW_LCDIF_CTRL__WORD_LENGTH_18_BIT);
44 imx233_lcdif_set_timings(1, 2, 2, 2);
45}
46
47static void setup_lcd_pins(bool use_lcdif)
48{
49 if(use_lcdif)
50 {
51 imx233_set_pin_function(1, 25, PINCTRL_FUNCTION_GPIO); /* lcd_vsync */
52 imx233_set_pin_function(1, 21, PINCTRL_FUNCTION_MAIN); /* lcd_cs */
53 imx233_set_pin_function(1, 22, PINCTRL_FUNCTION_GPIO); /* lcd_dotclk */
54 imx233_set_pin_function(1, 23, PINCTRL_FUNCTION_GPIO); /* lcd_enable */
55 imx233_set_pin_function(1, 24, PINCTRL_FUNCTION_GPIO); /* lcd_hsync */
56 imx233_set_pin_function(1, 18, PINCTRL_FUNCTION_MAIN); /* lcd_reset */
57 imx233_set_pin_function(1, 19, PINCTRL_FUNCTION_MAIN); /* lcd_rs */
58 imx233_set_pin_function(1, 16, PINCTRL_FUNCTION_MAIN); /* lcd_d16 */
59 imx233_set_pin_function(1, 17, PINCTRL_FUNCTION_MAIN); /* lcd_d17 */
60 imx233_set_pin_function(1, 20, PINCTRL_FUNCTION_MAIN); /* lcd_wr */
61 __REG_CLR(HW_PINCTRL_MUXSEL(2)) = 0xffffffff; /* lcd_d{0-15} */
62 }
63 else
64 {
65
66 __REG_SET(HW_PINCTRL_MUXSEL(2)) = 0xffffffff; /* lcd_d{0-15} */
67 imx233_enable_gpio_output_mask(1, 0x3ffffff, false); /* lcd_{d{0-17},reset,rs,wr,cs,dotclk,enable,hsync,vsync} */
68 imx233_set_pin_function(1, 16, PINCTRL_FUNCTION_GPIO); /* lcd_d16 */
69 imx233_set_pin_function(1, 17, PINCTRL_FUNCTION_GPIO); /* lcd_d17 */
70 imx233_set_pin_function(1, 19, PINCTRL_FUNCTION_GPIO); /* lcd_rs */
71 imx233_set_pin_function(1, 20, PINCTRL_FUNCTION_GPIO); /* lcd_wr */
72 imx233_set_pin_function(1, 21, PINCTRL_FUNCTION_GPIO); /* lcd_cs */
73 imx233_set_pin_function(1, 22, PINCTRL_FUNCTION_GPIO); /* lcd_dotclk */
74 imx233_set_pin_function(1, 23, PINCTRL_FUNCTION_GPIO); /* lcd_enable */
75 imx233_set_pin_function(1, 24, PINCTRL_FUNCTION_GPIO); /* lcd_hsync */
76 imx233_set_pin_function(1, 25, PINCTRL_FUNCTION_GPIO); /* lcd_vsync */
77 }
78}
79
80static void setup_lcd_pins_i80(bool i80)
81{
82 if(i80)
83 {
84 imx233_set_pin_drive_strength(1, 19, PINCTRL_DRIVE_12mA); /* lcd_rs */
85 imx233_set_pin_drive_strength(1, 20, PINCTRL_DRIVE_12mA); /* lcd_wr */
86 imx233_set_pin_drive_strength(1, 21, PINCTRL_DRIVE_12mA); /* lcd_cs */
87 imx233_set_pin_drive_strength(1, 23, PINCTRL_DRIVE_12mA); /* lcd_enable */
88 imx233_set_pin_function(1, 19, PINCTRL_FUNCTION_GPIO); /* lcd_rs */
89 imx233_set_pin_function(1, 20, PINCTRL_FUNCTION_GPIO); /* lcd_wr */
90 imx233_set_pin_function(1, 21, PINCTRL_FUNCTION_GPIO); /* lcd_cs */
91 imx233_set_pin_function(1, 23, PINCTRL_FUNCTION_GPIO); /* lcd_enable */
92 /* lcd_{rs,wr,cs,enable} */
93 imx233_enable_gpio_output_mask(1, (1 << 19) | (1 << 20) | (1 << 21) | (1 << 23), true);
94 imx233_set_gpio_output_mask(1, (1 << 19) | (1 << 20) | (1 << 21) | (1 << 23), true);
95
96 imx233_enable_gpio_output_mask(1, 0x3ffff, false); /* lcd_d{0-17} */
97 __REG_SET(HW_PINCTRL_MUXSEL(2)) = 0xffffffff; /* lcd_d{0-15} as GPIO */
98 imx233_set_pin_function(1, 16, PINCTRL_FUNCTION_GPIO); /* lcd_d16 */
99 imx233_set_pin_function(1, 17, PINCTRL_FUNCTION_GPIO); /* lcd_d17 */
100 imx233_set_pin_function(1, 18, PINCTRL_FUNCTION_GPIO); /* lcd_reset */
101 imx233_set_pin_function(1, 19, PINCTRL_FUNCTION_GPIO); /* lcd_rs */
102 }
103 else
104 {
105 imx233_set_gpio_output_mask(1, (1 << 19) | (1 << 20) | (1 << 21) | (1 << 23), true);
106 imx233_set_pin_drive_strength(1, 19, PINCTRL_DRIVE_4mA); /* lcd_rs */
107 imx233_set_pin_drive_strength(1, 20, PINCTRL_DRIVE_4mA); /* lcd_wr */
108 imx233_set_pin_drive_strength(1, 21, PINCTRL_DRIVE_4mA); /* lcd_cs */
109 imx233_set_pin_drive_strength(1, 23, PINCTRL_DRIVE_4mA); /* lcd_enable */
110 imx233_set_pin_function(1, 19, PINCTRL_FUNCTION_MAIN); /* lcd_rs */
111 imx233_set_pin_function(1, 20, PINCTRL_FUNCTION_MAIN); /* lcd_wr */
112 imx233_set_pin_function(1, 21, PINCTRL_FUNCTION_MAIN); /* lcd_cs */
113 imx233_enable_gpio_output_mask(1, 0x3ffff, false); /* lcd_d{0-17} */
114 __REG_CLR(HW_PINCTRL_MUXSEL(2)) = 0xffffffff; /* lcd_d{0-15} as lcd_d{0-15} */
115 imx233_set_pin_function(1, 16, PINCTRL_FUNCTION_MAIN); /* lcd_d16 */
116 imx233_set_pin_function(1, 17, PINCTRL_FUNCTION_MAIN); /* lcd_d17 */
117 imx233_set_pin_function(1, 18, PINCTRL_FUNCTION_MAIN); /* lcd_reset */
118 imx233_set_pin_function(1, 19, PINCTRL_FUNCTION_MAIN); /* lcd_rs */
119 }
120}
121
122static void common_lcd_enable(bool enable)
123{
124 imx233_lcdif_enable(enable);
125 setup_lcd_pins(enable); /* use GPIO pins when disable */
126}
127
128static void setup_lcdif(void)
129{
130 setup_parameters();
131 common_lcd_enable(true);
132 imx233_lcdif_enable_bus_master(true);
133 //imx233_lcdif_enable_irqs(HW_LCDIF__CUR_FRAME_DONE_IRQ);
134}
135
136static inline uint32_t encode_16_to_18(uint32_t a)
137{
138 return ((a & 0xff) << 1) | (((a >> 8) & 0xff) << 10);
139}
140
141static inline uint32_t decode_18_to_16(uint32_t a)
142{
143 return ((a >> 1) & 0xff) | ((a >> 2) & 0xff00);
144}
145
146static void setup_lcdif_clock(void)
147{
148 /* the LCD seems to works at 24Mhz, so use the xtal clock with no divider */
149 imx233_enable_clock(CLK_PIX, false);
150 imx233_set_clock_divisor(CLK_PIX, 1);
151 imx233_set_bypass_pll(CLK_PIX, true); /* use XTAL */
152 imx233_enable_clock(CLK_PIX, true);
153}
154
155static uint32_t i80_write_read_single(uint32_t data_out)
156{
157 imx233_set_gpio_output(1, 21, true); /* lcd_cs */
158 imx233_set_gpio_output(1, 19, true); /* lcd_rs */
159 imx233_set_gpio_output(1, 23, true); /* lcd_enable */
160 imx233_set_gpio_output(1, 20, true); /* lcd_wr */
161 imx233_enable_gpio_output_mask(1, 0x3ffff, true); /* lcd_d{0-17} */
162 udelay(2);
163 imx233_set_gpio_output(1, 19, false); /* lcd_rs */
164 udelay(1);
165 imx233_set_gpio_output(1, 21, false); /* lcd_cs */
166 udelay(1);
167 imx233_set_gpio_output(1, 20, false); /* lcd_wr */
168 udelay(1);
169 imx233_set_gpio_output_mask(1, data_out & 0x3ffff, true); /* lcd_d{0-17} */
170 udelay(1);
171 imx233_set_gpio_output(1, 20, true); /* lcd_wr */
172 udelay(3);
173 imx233_enable_gpio_output_mask(1, 0x3ffff, false); /* lcd_d{0-17} */
174 udelay(2);
175 imx233_set_gpio_output(1, 23, false); /* lcd_enable */
176 udelay(1);
177 imx233_set_gpio_output(1, 19, true); /* lcd_rs */
178 udelay(1);
179 imx233_set_gpio_output(1, 23, true); /* lcd_enable */
180 udelay(3);
181 imx233_set_gpio_output(1, 23, false); /* lcd_enable */
182 udelay(2);
183 uint32_t data_in = imx233_get_gpio_input_mask(1, 0x3ffff); /* lcd_d{0-17} */
184 udelay(1);
185 imx233_set_gpio_output(1, 23, true); /* lcd_enable */
186 udelay(1);
187 imx233_set_gpio_output(1, 21, true); /* lcd_cs */
188 udelay(1);
189 return data_in;
190}
191
192static void lcd_write_reg(uint32_t reg, uint32_t data)
193{
194 uint32_t old_reg = reg;
195 /* get back to 18-bit word length */
196 imx233_lcdif_set_word_length(HW_LCDIF_CTRL__WORD_LENGTH_18_BIT);
197 reg = encode_16_to_18(reg);
198 data = encode_16_to_18(data);
199
200 imx233_lcdif_pio_send(false, 2, &reg);
201 if(old_reg != 0x22)
202 imx233_lcdif_pio_send(true, 2, &data);
203}
204
205static uint32_t lcd_read_reg(uint32_t reg)
206{
207 setup_lcd_pins_i80(true);
208 uint32_t data_in = i80_write_read_single(encode_16_to_18(reg));
209 setup_lcd_pins_i80(false);
210 lcd_write_reg(0x22, 0);
211 return decode_18_to_16(data_in);
212}
213
214static void lcd_init_seq_7783(void)
215{
216 __REG_SET(HW_LCDIF_CTRL1) = HW_LCDIF_CTRL1__RESET;
217 udelay(50);
218 __REG_CLR(HW_LCDIF_CTRL1) = HW_LCDIF_CTRL1__RESET;
219 udelay(10);
220 __REG_SET(HW_LCDIF_CTRL1) = HW_LCDIF_CTRL1__RESET;
221 udelay(200);
222 lcd_write_reg(1, 0x100);
223 lcd_write_reg(2, 0x700);
224 lcd_write_reg(3, 0x1030);
225 lcd_write_reg(7, 0x121);
226 lcd_write_reg(8, 0x302);
227 lcd_write_reg(9, 0x200);
228 lcd_write_reg(0xa, 0);
229 lcd_write_reg(0x10, 0x790);
230 lcd_write_reg(0x11, 5);
231 lcd_write_reg(0x12, 0);
232 lcd_write_reg(0x13, 0);
233 udelay(100);
234 lcd_write_reg(0x10, 0x12b0);
235 udelay(100);
236 lcd_write_reg(0x11, 7);
237 udelay(100);
238 lcd_write_reg(0x12, 0x89);
239 lcd_write_reg(0x13, 0x1d00);
240 lcd_write_reg(0x29, 0x2f);
241 udelay(50);
242 lcd_write_reg(0x30, 0);
243 lcd_write_reg(0x31, 0x505);
244 lcd_write_reg(0x32, 0x205);
245 lcd_write_reg(0x35, 0x206);
246 lcd_write_reg(0x36, 0x408);
247 lcd_write_reg(0x37, 0);
248 lcd_write_reg(0x38, 0x504);
249 lcd_write_reg(0x39, 0x206);
250 lcd_write_reg(0x3c, 0x206);
251 lcd_write_reg(0x3d, 0x408);
252 lcd_write_reg(0x50, 0); /* left X ? */
253 lcd_write_reg(0x51, 0xef); /* right X ? */
254 lcd_write_reg(0x52, 0); /* top Y ? */
255 lcd_write_reg(0x53, 0x13f); /* bottom Y ? */
256 lcd_write_reg(0x20, 0); /* left X ? */
257 lcd_write_reg(0x21, 0); /* top Y ? */
258 lcd_write_reg(0x60, 0xa700);
259 lcd_write_reg(0x61, 1);
260 lcd_write_reg(0x90, 0x33);
261 lcd_write_reg(0x2b, 0xa);
262 lcd_write_reg(9, 0);
263 lcd_write_reg(7, 0x133);
264 udelay(50);
265 lcd_write_reg(0x22, 0);
266}
267
268static void lcd_init_seq_9325(void)
269{
270
271}
272
273void lcd_init_device(void)
274{
275 setup_lcdif();
276 setup_lcdif_clock();
277
278 for(int i = 0; i < 10; i++)
279 {
280 uint32_t kind = lcd_read_reg(0);
281 if(kind == LCD_KIND_7783 || kind == LCD_KIND_9325)
282 {
283 lcd_kind = kind;
284 break;
285 }
286 else
287 {
288 lcd_kind = LCD_KIND_OTHER;
289 }
290 }
291 udelay(5);
292 switch(lcd_kind)
293 {
294 case LCD_KIND_7783: lcd_init_seq_7783(); break;
295 case LCD_KIND_9325: lcd_init_seq_9325(); break;
296 default:
297 lcd_init_seq_7783(); break;
298 }
299}
300
301
302static void lcd_enable_7783(bool enable)
303{
304 if(!enable)
305 {
306 lcd_write_reg(7, 0x131);
307 udelay(50);
308 lcd_write_reg(7, 0x20);
309 udelay(50);
310 lcd_write_reg(0x10, 0x82);
311 udelay(50);
312 }
313 else
314 {
315 lcd_write_reg(0x11, 5);
316 lcd_write_reg(0x10, 0x12b0);
317 udelay(50);
318 lcd_write_reg(7, 0x11);
319 udelay(50);
320 lcd_write_reg(0x12, 0x89);
321 udelay(50);
322 lcd_write_reg(0x13, 0x1d00);
323 udelay(50);
324 lcd_write_reg(0x29, 0x2f);
325 udelay(50);
326 lcd_write_reg(0x2b, 0xa);
327 lcd_write_reg(7, 0x133);
328 udelay(50);
329 lcd_write_reg(0x22, 0);
330 }
331}
332
333static void lcd_enable_9325(bool enable)
334{
335 (void) enable;
336}
337
338void lcd_enable(bool enable)
339{
340 if(enable)
341 common_lcd_enable(true);
342 switch(lcd_kind)
343 {
344 case LCD_KIND_7783: lcd_enable_7783(enable); break;
345 case LCD_KIND_9325: lcd_enable_9325(enable); break;
346 default: lcd_enable_7783(enable); break;
347 }
348 if(!enable)
349 common_lcd_enable(false);
350}
351
352void lcd_update(void)
353{
354 lcd_write_reg(0x50, 0);
355 lcd_write_reg(0x51, LCD_WIDTH - 1);
356 lcd_write_reg(0x52, 0);
357 lcd_write_reg(0x53, LCD_HEIGHT - 1);
358 lcd_write_reg(0x20, 0);
359 lcd_write_reg(0x21, 0);
360 lcd_write_reg(0x22, 0);
361 imx233_lcdif_wait_ready();
362 imx233_lcdif_set_word_length(HW_LCDIF_CTRL__WORD_LENGTH_16_BIT);
363 imx233_lcdif_set_byte_packing_format(0xf); /* two pixels per 32-bit word */
364 imx233_lcdif_set_data_format(false, false, false); /* RGB565, don't care, don't care */
365 imx233_lcdif_dma_send(lcd_framebuffer, LCD_WIDTH, LCD_HEIGHT);
366 imx233_lcdif_wait_ready();
367}
368
369void lcd_update_rect(int x, int y, int width, int height)
370{
371 (void) x;
372 (void) y;
373 (void) width;
374 (void) height;
375 lcd_update();
376}
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-20 03:38:50 +0000