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-rw-r--r--firmware/target/hosted/ibasso/dx50/audiohw-dx50.c68
-rw-r--r--firmware/target/hosted/ibasso/dx50/button-dx50.c96
-rw-r--r--firmware/target/hosted/ibasso/dx50/codec-dx50.h51
3 files changed, 215 insertions, 0 deletions
diff --git a/firmware/target/hosted/ibasso/dx50/audiohw-dx50.c b/firmware/target/hosted/ibasso/dx50/audiohw-dx50.c
new file mode 100644
index 0000000000..5e61348c8d
--- /dev/null
+++ b/firmware/target/hosted/ibasso/dx50/audiohw-dx50.c
@@ -0,0 +1,68 @@
1/***************************************************************************
2 * __________ __ ___
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 *
9 * Copyright (C) 2014 by Ilia Sergachev: Initial Rockbox port to iBasso DX50
10 * Copyright (C) 2014 by Mario Basister: iBasso DX90 port
11 * Copyright (C) 2014 by Simon Rothen: Initial Rockbox repository submission, additional features
12 * Copyright (C) 2014 by Udo Schläpfer: Code clean up, additional features
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License
16 * as published by the Free Software Foundation; either version 2
17 * of the License, or (at your option) any later version.
18 *
19 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
20 * KIND, either express or implied.
21 *
22 ****************************************************************************/
23
24
25#include "config.h"
26#include "debug.h"
27
28#include "debug-ibasso.h"
29#include "sysfs-ibasso.h"
30
31
32extern void set_software_volume(void);
33
34
35void audiohw_set_volume(int volume)
36{
37 set_software_volume();
38
39 /*
40 See codec-dx50.h.
41 -128db -> -1 (adjusted to 0, mute)
42 -127dB to 0dB -> 1 to 255 in steps of 2
43 volume is in centibels (tenth-decibels).
44 */
45 int volume_adjusted = (volume / 10) * 2 + 255;
46
47 DEBUGF("DEBUG %s: volume: %d, volume_adjusted: %d.", __func__, volume, volume_adjusted);
48
49 if(volume_adjusted > 255)
50 {
51 DEBUGF("DEBUG %s: Adjusting volume from %d to 255.", __func__, volume);
52 volume_adjusted = 255;
53 }
54 if(volume_adjusted < 0)
55 {
56 DEBUGF("DEBUG %s: Adjusting volume from %d to 0.", __func__, volume);
57 volume_adjusted = 0;
58 }
59
60 /*
61 /dev/codec_volume
62 0 ... 255
63 */
64 if(! sysfs_set_int(SYSFS_DX50_CODEC_VOLUME, volume_adjusted))
65 {
66 DEBUGF("ERROR %s: Can not set volume.", __func__);
67 }
68}
diff --git a/firmware/target/hosted/ibasso/dx50/button-dx50.c b/firmware/target/hosted/ibasso/dx50/button-dx50.c
new file mode 100644
index 0000000000..b4f6952d44
--- /dev/null
+++ b/firmware/target/hosted/ibasso/dx50/button-dx50.c
@@ -0,0 +1,96 @@
1/***************************************************************************
2 * __________ __ ___
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 *
9 * Copyright (C) 2014 by Ilia Sergachev: Initial Rockbox port to iBasso DX50
10 * Copyright (C) 2014 by Mario Basister: iBasso DX90 port
11 * Copyright (C) 2014 by Simon Rothen: Initial Rockbox repository submission, additional features
12 * Copyright (C) 2014 by Udo Schläpfer: Code clean up, additional features
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License
16 * as published by the Free Software Foundation; either version 2
17 * of the License, or (at your option) any later version.
18 *
19 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
20 * KIND, either express or implied.
21 *
22 ****************************************************************************/
23
24
25#include "config.h"
26#include "button.h"
27
28#include "button-ibasso.h"
29
30
31int handle_button_event(__u16 code, __s32 value, int last_btns)
32{
33 int button = BUTTON_NONE;
34
35 switch(code)
36 {
37 case EVENT_CODE_BUTTON_PWR:
38 {
39 button = BUTTON_POWER;
40 break;
41 }
42
43 case EVENT_CODE_BUTTON_PWR_LONG:
44 {
45 button = BUTTON_POWER_LONG;
46 break;
47 }
48
49 case EVENT_CODE_BUTTON_VOLPLUS:
50 {
51 button = BUTTON_VOL_UP;
52 break;
53 }
54
55 case EVENT_CODE_BUTTON_VOLMINUS:
56 {
57 button = BUTTON_VOL_DOWN;
58 break;
59 }
60
61 case EVENT_CODE_BUTTON_REV:
62 {
63 button = BUTTON_LEFT;
64 break;
65 }
66
67 case EVENT_CODE_BUTTON_PLAY:
68 {
69 button = BUTTON_PLAY;
70 break;
71 }
72
73 case EVENT_CODE_BUTTON_NEXT:
74 {
75 button = BUTTON_RIGHT;
76 break;
77 }
78
79 default:
80 {
81 return BUTTON_NONE;
82 }
83 }
84
85 int buttons = last_btns;
86 if(value == EVENT_VALUE_BUTTON_PRESS)
87 {
88 buttons = (last_btns | button);
89 }
90 else
91 {
92 buttons = (last_btns & (~ button));
93 }
94
95 return buttons;
96}
diff --git a/firmware/target/hosted/ibasso/dx50/codec-dx50.h b/firmware/target/hosted/ibasso/dx50/codec-dx50.h
new file mode 100644
index 0000000000..89a1a3f1c4
--- /dev/null
+++ b/firmware/target/hosted/ibasso/dx50/codec-dx50.h
@@ -0,0 +1,51 @@
1/***************************************************************************
2 * __________ __ ___
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 *
9 * Copyright (C) 2014 by Ilia Sergachev: Initial Rockbox port to iBasso DX50
10 * Copyright (C) 2014 by Mario Basister: iBasso DX90 port
11 * Copyright (C) 2014 by Simon Rothen: Initial Rockbox repository submission, additional features
12 * Copyright (C) 2014 by Udo Schläpfer: Code clean up, additional features
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License
16 * as published by the Free Software Foundation; either version 2
17 * of the License, or (at your option) any later version.
18 *
19 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
20 * KIND, either express or implied.
21 *
22 ****************************************************************************/
23
24
25#ifndef _CODEC_DX50_H_
26#define _CODEC_DX50_H_
27
28
29#define AUDIOHW_CAPS MONO_VOL_CAP
30
31
32/*
33 http://www.wolfsonmicro.com/media/76425/WM8740.pdf
34
35 0.5 * ( x - 255 ) = ydB 1 <= x <= 255
36 mute x = 0
37
38 x = 255 -> 0dB
39 .
40 .
41 .
42 x = 2 -> -126.5dB
43 x = 1 -> -127dB
44 x = 0 -> -128dB
45
46 See audiohw.h, sound.c.
47*/
48AUDIOHW_SETTING(VOLUME, "dB", 0, 1, -128, 0, -30)
49
50
51#endif
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