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-rw-r--r--firmware/target/arm/as3525/sansa-clipzip/backlight-clipzip.c42
-rw-r--r--firmware/target/arm/as3525/sansa-clipzip/backlight-target.h30
-rw-r--r--firmware/target/arm/as3525/sansa-clipzip/button-clipzip.c103
-rw-r--r--firmware/target/arm/as3525/sansa-clipzip/button-target.h55
-rw-r--r--firmware/target/arm/as3525/sansa-clipzip/lcd-clipzip.c103
5 files changed, 333 insertions, 0 deletions
diff --git a/firmware/target/arm/as3525/sansa-clipzip/backlight-clipzip.c b/firmware/target/arm/as3525/sansa-clipzip/backlight-clipzip.c
new file mode 100644
index 0000000000..a592715c90
--- /dev/null
+++ b/firmware/target/arm/as3525/sansa-clipzip/backlight-clipzip.c
@@ -0,0 +1,42 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright © 2011 Bertrik Sikken
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 "backlight-target.h"
23#include "lcd.h"
24#include "as3525v2.h"
25#include "ascodec-target.h"
26
27void _backlight_init()
28{
29 /* GPIO B2 controls backlight */
30 GPIOB_DIR |= (1 << 2);
31}
32
33void _backlight_on(void)
34{
35 /* TODO */
36}
37
38void _backlight_off(void)
39{
40 /* TODO */
41}
42
diff --git a/firmware/target/arm/as3525/sansa-clipzip/backlight-target.h b/firmware/target/arm/as3525/sansa-clipzip/backlight-target.h
new file mode 100644
index 0000000000..e19334b5c5
--- /dev/null
+++ b/firmware/target/arm/as3525/sansa-clipzip/backlight-target.h
@@ -0,0 +1,30 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright © 2011 Bertrik Sikken
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
24void _backlight_init(void);
25void _backlight_on(void);
26void _backlight_off(void);
27
28#define _backlight_panic_on() _backlight_on()
29
30#endif
diff --git a/firmware/target/arm/as3525/sansa-clipzip/button-clipzip.c b/firmware/target/arm/as3525/sansa-clipzip/button-clipzip.c
new file mode 100644
index 0000000000..104c227378
--- /dev/null
+++ b/firmware/target/arm/as3525/sansa-clipzip/button-clipzip.c
@@ -0,0 +1,103 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2008 François Dinel
11 * Copyright © 2008-2009 Rafaël Carré
12 *
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; either version 2
16 * of the License, or (at your option) any later version.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 ****************************************************************************/
22
23#include "config.h"
24
25#include "button-target.h"
26#include "as3525v2.h"
27#include "kernel.h"
28#include "system-target.h"
29
30void button_init_device(void)
31{
32 /* GPIO A6, A7 and D6 are direct button inputs */
33 GPIOA_DIR &= ~(1 << 6);
34 GPIOA_DIR &= ~(1 << 7);
35 GPIOD_DIR &= ~(1 << 6);
36
37 /* GPIO C1, C2, C3, C4, C5 are used in a column/row key scan matrix */
38 GPIOC_DIR |= ((1 << 1) | (1 << 2));
39 GPIOC_DIR &= ~((1 << 3) | (1 << 4) | (1 << 5));
40}
41
42/* TODO:
43 Instead of using udelay to wait for buttons to settle, we could use a
44 simple state machine to alternate between key matrix rows (like we do on
45 the clip) and this way avoid burning cycles in the udelay.
46
47 TODO:
48 Figure out the real mappings from GPIOs to buttons.
49 The current mapping is just an educated guess.
50*/
51int button_read_device(void)
52{
53 int buttons = 0;
54
55 /* power */
56 if (GPIOD_PIN(6)) {
57 buttons |= BUTTON_POWER;
58 }
59
60 /* volume */
61 if (GPIOA_PIN(6)) {
62 buttons |= BUTTON_VOL_DOWN;
63 }
64 if (GPIOA_PIN(7)) {
65 buttons |= BUTTON_VOL_UP;
66 }
67
68 /* key matrix buttons, first row */
69 GPIOC_PIN(1) = (1 << 1);
70 GPIOC_PIN(2) = 0;
71 udelay(500);
72
73 if (GPIOC_PIN(3)) {
74 buttons |= BUTTON_LEFT;
75 }
76 if (GPIOC_PIN(4)) {
77 buttons |= BUTTON_SELECT;
78 }
79 if (GPIOC_PIN(5)) {
80 buttons |= BUTTON_RIGHT;
81 }
82
83 /* key matrix buttons, second row */
84 GPIOC_PIN(1) = 0;
85 GPIOC_PIN(2) = (1 << 2);
86 udelay(500);
87
88 if (GPIOC_PIN(3)) {
89 buttons |= BUTTON_UP;
90 }
91 if (GPIOC_PIN(4)) {
92 buttons |= BUTTON_HOME;
93 }
94 if (GPIOC_PIN(5)) {
95 buttons |= BUTTON_DOWN;
96 }
97
98 /* deselect scan rows */
99 GPIOC_PIN(2) = 0;
100
101 return buttons;
102}
103
diff --git a/firmware/target/arm/as3525/sansa-clipzip/button-target.h b/firmware/target/arm/as3525/sansa-clipzip/button-target.h
new file mode 100644
index 0000000000..8a93d45daa
--- /dev/null
+++ b/firmware/target/arm/as3525/sansa-clipzip/button-target.h
@@ -0,0 +1,55 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2008 François Dinel
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#ifndef _BUTTON_TARGET_H_
23#define _BUTTON_TARGET_H_
24
25#include "config.h"
26
27void button_init_device(void);
28int button_read_device(void);
29
30/* Main unit's buttons */
31#define BUTTON_HOME 0x00000001
32
33#define BUTTON_VOL_UP 0x00000002
34#define BUTTON_VOL_DOWN 0x00000004
35
36#define BUTTON_UP 0x00000008
37#define BUTTON_DOWN 0x00000010
38#define BUTTON_LEFT 0x00000020
39#define BUTTON_RIGHT 0x00000040
40
41#define BUTTON_SELECT 0x00000080
42
43#define BUTTON_POWER 0x00000100
44
45#define BUTTON_MAIN (BUTTON_HOME|BUTTON_VOL_UP|BUTTON_VOL_DOWN\
46 |BUTTON_UP|BUTTON_DOWN|BUTTON_LEFT|BUTTON_RIGHT\
47 |BUTTON_SELECT|BUTTON_POWER)
48
49#define BUTTON_REMOTE 0
50
51/* Software power-off */
52#define POWEROFF_BUTTON BUTTON_POWER
53#define POWEROFF_COUNT 10
54
55#endif /* _BUTTON_TARGET_H_ */
diff --git a/firmware/target/arm/as3525/sansa-clipzip/lcd-clipzip.c b/firmware/target/arm/as3525/sansa-clipzip/lcd-clipzip.c
new file mode 100644
index 0000000000..8efbdf77b9
--- /dev/null
+++ b/firmware/target/arm/as3525/sansa-clipzip/lcd-clipzip.c
@@ -0,0 +1,103 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2008 François Dinel
11 * Copyright (C) 2008-2009 Rafaël Carré
12 *
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; either version 2
16 * of the License, or (at your option) any later version.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 ****************************************************************************/
22#include "config.h"
23
24#include "lcd.h"
25#include "lcd-clip.h"
26#include "system.h"
27#include "cpu.h"
28
29static int display_type;
30
31int lcd_hw_init(void)
32{
33 bitset32(&CGU_PERI, CGU_SSP_CLOCK_ENABLE);
34
35 SSP_CPSR = AS3525_SSP_PRESCALER; /* OF = 0x10 */
36 SSP_CR0 = (1<<7) | (1<<6) | 7; /* Motorola SPI frame format, 8 bits */
37 SSP_CR1 = (1<<3) | (1<<1); /* SSP Operation enabled */
38 SSP_IMSC = 0; /* No interrupts */
39
40 /* configure GPIO B2 (display D/C#) as output */
41 GPIOB_DIR |= (1<<2);
42
43 /* configure GPIO B3 (display type detect) as input */
44 GPIOB_DIR &= ~(1<<3);
45
46 /* set GPIO A5 (display RESET# ?) */
47 GPIOA_DIR |= (1<<5);
48 GPIOA_PIN(5) = (1<<5);
49
50 /* detect display type on GPIO B3 */
51 return GPIOB_PIN(3) ? 1 : 0;
52}
53
54void lcd_write_command(int byte)
55{
56 while(SSP_SR & (1<<4)) /* BSY flag */
57 ;
58
59 /* LCD command mode */
60 GPIOB_PIN(2) = 0;
61
62 SSP_DATA = byte;
63 while(SSP_SR & (1<<4)) /* BSY flag */
64 ;
65}
66
67void lcd_write_data(const fb_data* p_bytes, int count)
68{
69 /* LCD data mode */
70 GPIOB_PIN(2) = (1<<2);
71
72 while (count--)
73 {
74 while(!(SSP_SR & (1<<1))) /* wait until transmit FIFO is not full */
75 ;
76
77 SSP_DATA = *p_bytes++;
78 }
79}
80
81void lcd_update(void)
82{
83 /* TODO */
84}
85
86void lcd_init_device(void)
87{
88 /* TODO */
89 display_type = lcd_hw_init();
90}
91
92/* Update a fraction of the display. */
93void lcd_update_rect(int x, int y, int width, int height)
94{
95 (void) x;
96 (void) y;
97 (void) width;
98 (void) height;
99
100 /* TODO not implemented yet, do a full update instead */
101 lcd_update();
102}
103
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