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authorSolomon Peachy <pizza@shaftnet.org>2020-10-03 18:17:11 -0400
committerSolomon Peachy <pizza@shaftnet.org>2020-10-09 12:41:18 -0400
commitaabc8aca47e60cf745a34af28c50679fcb967910 (patch)
treecfe17f546aae9785fb13482f39527e2da0597ccb /firmware
parent4231c2c83f2b5331e3e38b10a308ee3752315f9c (diff)
downloadrockbox-aabc8aca47e60cf745a34af28c50679fcb967910.tar.gz
rockbox-aabc8aca47e60cf745a34af28c50679fcb967910.tar.bz2
rockbox-aabc8aca47e60cf745a34af28c50679fcb967910.zip
New port: FiiO M3K
Most credit goes to: Roman Skylarov Additional integration and refactoring by myself. *** COMPLETELY UNTESTED *** Change-Id: Ia64c36d92e0214c6b15f7a868df286f8113ea27b
Diffstat (limited to 'firmware')
-rw-r--r--firmware/SOURCES17
-rw-r--r--firmware/asm/SOURCES3
-rw-r--r--firmware/drivers/audio/fiiolinux_codec.c154
-rw-r--r--firmware/export/audiohw.h2
-rw-r--r--firmware/export/config.h3
-rw-r--r--firmware/export/config/fiiom3k.h127
-rw-r--r--firmware/export/fiiolinux_codec.h3
-rw-r--r--firmware/export/rbpaths.h4
-rw-r--r--firmware/target/hosted/backlight-target.h10
-rw-r--r--firmware/target/hosted/fiio/adc-target.h0
-rw-r--r--firmware/target/hosted/fiio/button-fiio.c308
-rw-r--r--firmware/target/hosted/fiio/button-target.h50
-rw-r--r--firmware/target/hosted/fiio/buttonlight-fiio.c57
-rw-r--r--firmware/target/hosted/fiio/debug-fiio.c1
-rw-r--r--firmware/target/hosted/fiio/fiio.make49
-rw-r--r--firmware/target/hosted/fiio/lcd-target.h32
-rw-r--r--firmware/target/hosted/fiio/power-fiio.c78
-rw-r--r--firmware/target/hosted/fiio/power-fiio.h31
-rw-r--r--firmware/target/hosted/fiio/powermgmt-fiio.c68
-rw-r--r--firmware/target/hosted/fiio/system-fiio.c205
-rw-r--r--firmware/target/hosted/fiio/system-target.h28
-rw-r--r--firmware/target/hosted/fiio/usb-fiio.c81
-rw-r--r--firmware/target/hosted/filesystem-app.c11
23 files changed, 1311 insertions, 11 deletions
diff --git a/firmware/SOURCES b/firmware/SOURCES
index 1471eb7b94..42677725fc 100644
--- a/firmware/SOURCES
+++ b/firmware/SOURCES
@@ -111,7 +111,7 @@ target/hosted/sonynwz/nvp-nwz.c
target/hosted/sonynwz/nwz-db.c
#endif
-#if ((defined(AGPTEK_ROCKER) || defined(XDUOO_X3II) || defined(XDUOO_X20)) && !defined(SIMULATOR))
+#if ((defined(AGPTEK_ROCKER) || defined(XDUOO_X3II) || defined(XDUOO_X20) || defined(FIIO_M3K)) && !defined(SIMULATOR))
drivers/lcd-memframe.c
target/hosted/alsa-controls.c
target/hosted/pcm-alsa.c
@@ -133,15 +133,24 @@ target/hosted/agptek/powermgmt-agptek.c
target/hosted/agptek/usb-agptek.c
#endif
-#if ((defined(XDUOO_X3II)||defined(XDUOO_X20)) && !defined(SIMULATOR))
+#if (defined(XDUOO_X3II) || defined(XDUOO_X20)) && !defined(SIMULATOR)
target/hosted/xduoo/button-xduoo.c
target/hosted/xduoo/debug-xduoo.c
-
target/hosted/xduoo/power-xduoo.c
target/hosted/xduoo/powermgmt-xduoo.c
target/hosted/xduoo/usb-xduoo.c
#endif
+#if (defined(FIIO_M3K)) && !defined(SIMULATOR)
+target/hosted/fiio/buttonlight-fiio.c
+target/hosted/fiio/button-fiio.c
+target/hosted/fiio/debug-fiio.c
+target/hosted/fiio/power-fiio.c
+target/hosted/fiio/powermgmt-fiio.c
+target/hosted/fiio/system-fiio.c
+target/hosted/fiio/usb-fiio.c
+#endif
+
#if defined(SAMSUNG_YPR0) && !defined(SIMULATOR)
drivers/adc-as3514.c
#if (CONFIG_RTC == RTC_AS3514)
@@ -498,6 +507,8 @@ target/hosted/pcm-alsa.c
drivers/audio/rocker_codec.c
#elif defined(HAVE_XDUOO_LINUX_CODEC) && !defined(SIMULATOR)
drivers/audio/xduoolinux_codec.c
+#elif defined(HAVE_FIIO_LINUX_CODEC) && !defined(SIMULATOR)
+drivers/audio/fiiolinux_codec.c
#elif defined(HAVE_SDL_AUDIO)
drivers/audio/sdl.c
diff --git a/firmware/asm/SOURCES b/firmware/asm/SOURCES
index 085b6351a5..e93f77c770 100644
--- a/firmware/asm/SOURCES
+++ b/firmware/asm/SOURCES
@@ -15,7 +15,8 @@ mempcpy.c
defined(CREATIVE_ZVx) || defined(SANSA_CONNECT) || defined(SANSA_FUZEPLUS) || \
defined(COWON_D2) || defined(MINI2440) || defined(SAMSUNG_YPR0) || \
defined(SAMSUNG_YPR1) || defined(DX50) || defined(DX90) || (defined(MROBE_500) && !defined(LCD_USE_DMA)) || \
- defined(CREATIVE_ZEN) || defined(CREATIVE_ZENXFI) || defined(SONY_NWZ_LINUX) || defined(AGPTEK_ROCKER) || defined(XDUOO_X3II) || defined(XDUOO_X20)) && \
+ defined(CREATIVE_ZEN) || defined(CREATIVE_ZENXFI) || defined(SONY_NWZ_LINUX) || defined(AGPTEK_ROCKER) || \
+ defined(XDUOO_X3II) || defined(XDUOO_X20) || defined(FIIO_M3K)) && \
!defined(SIMULATOR)
#if LCD_DEPTH >= 24
lcd-as-memframe-24bit.c
diff --git a/firmware/drivers/audio/fiiolinux_codec.c b/firmware/drivers/audio/fiiolinux_codec.c
new file mode 100644
index 0000000000..d8024e3c32
--- /dev/null
+++ b/firmware/drivers/audio/fiiolinux_codec.c
@@ -0,0 +1,154 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ *
+ * Copyright (c) 2018 Marcin Bukat
+ * Copyright (c) 2019 Roman Stolyarov
+ *
+ * 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 "audio.h"
+#include "audiohw.h"
+#include "system.h"
+#include "kernel.h"
+#include "panic.h"
+#include "sysfs.h"
+#include "alsa-controls.h"
+#include "pcm-alsa.h"
+#include <sys/ioctl.h>
+
+static int fd_hw;
+static int ak_hw;
+
+static int vol_sw[2] = {0};
+static long int vol_hw[2] = {0};
+
+static void hw_open(void)
+{
+ fd_hw = open("/dev/snd/controlC0", O_RDWR);
+ if(fd_hw < 0)
+ panicf("Cannot open '/dev/snd/controlC0'");
+
+ ak_hw = open("/dev/ak4376", O_RDWR);
+ if(ak_hw < 0)
+ panicf("Cannot open '/dev/ak4376'");
+
+ if(ioctl(ak_hw, 0x20003424, 0) < 0)
+ {
+ panicf("Call cmd AK4376_POWER_ON fail");
+ }
+}
+
+static void hw_close(void)
+{
+ if(ioctl(ak_hw, 0x20003425, 0) < 0)
+ {
+ panicf("Call cmd AK4376_POWER_OFF fail");
+ }
+ close(ak_hw);
+
+ close(fd_hw);
+}
+
+void audiohw_preinit(void)
+{
+ alsa_controls_init();
+ hw_open();
+}
+
+void audiohw_postinit(void)
+{
+}
+
+void audiohw_close(void)
+{
+ hw_close();
+ alsa_controls_close();
+}
+
+void audiohw_set_frequency(int fsel)
+{
+ (void)fsel;
+}
+
+void audiohw_set_volume(int vol_l, int vol_r)
+{
+ int vol[2];
+
+ vol[0] = vol_l / 20;
+ vol[1] = vol_r / 20;
+
+ for (int i = 0; i < 2; i++)
+ {
+ if (vol[i] > -56)
+ {
+ if (vol[i] < -12)
+ {
+ vol_hw[i] = 1;
+ vol_sw[i] = vol[i] + 12;
+ }
+ else
+ {
+ vol_hw[i] = 25 - (-vol[i] * 2);
+ vol_sw[i] = 0;
+ }
+ }
+ else
+ {
+ // Mute
+ vol_hw[i] = 0;
+ vol_sw[i] = 0;
+ }
+ }
+
+ alsa_controls_set_ints("DACL Playback Volume", 1, &vol_hw[0]);
+ alsa_controls_set_ints("DACR Playback Volume", 1, &vol_hw[1]);
+ pcm_alsa_set_digital_volume(vol_sw[0], vol_sw[1]);
+}
+
+void audiohw_mute(int mute)
+{
+ long int vol0 = 0;
+
+ if(mute)
+ {
+ alsa_controls_set_ints("DACL Playback Volume", 1, &vol0);
+ alsa_controls_set_ints("DACR Playback Volume", 1, &vol0);
+ pcm_alsa_set_digital_volume(0, 0);
+ }
+ else
+ {
+ alsa_controls_set_ints("DACL Playback Volume", 1, &vol_hw[0]);
+ alsa_controls_set_ints("DACR Playback Volume", 1, &vol_hw[1]);
+ pcm_alsa_set_digital_volume(vol_sw[0], vol_sw[1]);
+ }
+}
+
+void audiohw_set_filter_roll_off(int value)
+{
+ /* 0 = Sharp;
+ 1 = Slow;
+ 2 = Short Sharp
+ 3 = Short Slow */
+#if defined(FIIO_M3K)
+ long int value_hw = value;
+ alsa_controls_set_ints("AK4376 Digital Filter", 1, &value_hw);
+#else
+ (void)value;
+#endif
+}
diff --git a/firmware/export/audiohw.h b/firmware/export/audiohw.h
index 31be0555f8..1ff220e403 100644
--- a/firmware/export/audiohw.h
+++ b/firmware/export/audiohw.h
@@ -224,6 +224,8 @@ struct sound_settings_info
#include "rocker_codec.h"
#elif defined(HAVE_XDUOO_LINUX_CODEC)
#include "xduoolinux_codec.h"
+#elif defined(HAVE_FIIO_LINUX_CODEC)
+#include "fiiolinux_codec.h"
#endif
/* convert caps into defines */
diff --git a/firmware/export/config.h b/firmware/export/config.h
index 7c57d9a120..a9753e3cf8 100644
--- a/firmware/export/config.h
+++ b/firmware/export/config.h
@@ -161,6 +161,7 @@
#define IHIFI_800_PAD 68
#define XDUOO_X3II_PAD 69
#define XDUOO_X20_PAD 70
+#define FIIO_M3K_PAD 71
/* CONFIG_REMOTE_KEYPAD */
#define H100_REMOTE 1
@@ -599,6 +600,8 @@ Lyre prototype 1 */
#include "config/xduoox3ii.h"
#elif defined(XDUOO_X20)
#include "config/xduoox20.h"
+#elif defined(FIIO_M3K)
+#include "config/fiiom3k.h"
#else
//#error "unknown hwardware platform!"
#endif
diff --git a/firmware/export/config/fiiom3k.h b/firmware/export/config/fiiom3k.h
new file mode 100644
index 0000000000..5b68f3738e
--- /dev/null
+++ b/firmware/export/config/fiiom3k.h
@@ -0,0 +1,127 @@
+/*
+ * This config file is for the FiiO M3K
+ */
+
+/* For Rolo and boot loader */
+#define MODEL_NUMBER 112
+
+#define MODEL_NAME "FiiO M3K"
+
+/* LCD dimensions */
+#define LCD_WIDTH 240
+#define LCD_HEIGHT 320
+/* sqrt(240^2 + 320^2) / 2.0 = 200 */
+#define LCD_DPI 200
+
+#ifndef SIMULATOR
+#define CONFIG_PLATFORM (PLATFORM_HOSTED)
+#endif
+
+#define HW_SAMPR_CAPS (SAMPR_CAP_44 | SAMPR_CAP_48 | SAMPR_CAP_88 | SAMPR_CAP_96 | SAMPR_CAP_176 | SAMPR_CAP_192)
+
+/* define this if you have a bitmap LCD display */
+#define HAVE_LCD_BITMAP
+
+/* define this if you have a colour LCD */
+#define HAVE_LCD_COLOR
+
+#define HAVE_LCD_ENABLE
+
+/* define this if you want album art for this target */
+#define HAVE_ALBUMART
+
+/* define this to enable bitmap scaling */
+#define HAVE_BMP_SCALING
+
+/* define this to enable JPEG decoding */
+#define HAVE_JPEG
+
+/* define this if you have access to the quickscreen */
+#define HAVE_QUICKSCREEN
+
+/* define this if you would like tagcache to build on this target */
+#define HAVE_TAGCACHE
+
+#define LCD_DEPTH 16
+/* Check that but should not matter */
+#define LCD_PIXELFORMAT RGB565
+
+#define HAVE_BACKLIGHT
+#define HAVE_BACKLIGHT_BRIGHTNESS
+
+/* define this if you have a light associated with the buttons */
+#define HAVE_BUTTON_LIGHT
+#define HAVE_BUTTONLIGHT_BRIGHTNESS
+
+/* Main LCD backlight brightness range and defaults: the backlight driver
+ * has levels from 0 to 32. But 0 is off so start at 1.
+ */
+#define MIN_BRIGHTNESS_SETTING 1
+#define MAX_BRIGHTNESS_SETTING 255
+#define BRIGHTNESS_STEP 5
+#define DEFAULT_BRIGHTNESS_SETTING 70
+
+/* Which backlight fading type? */
+#define CONFIG_BACKLIGHT_FADING BACKLIGHT_FADING_SW_SETTING
+
+/* define this if you have a real-time clock */
+#define CONFIG_RTC APPLICATION
+
+/* The number of bytes reserved for loadable codecs */
+#define CODEC_SIZE 0x80000
+
+/* The number of bytes reserved for loadable plugins */
+#define PLUGIN_BUFFER_SIZE 0x100000
+
+#define HAVE_HEADPHONE_DETECTION
+
+/* KeyPad configuration for plugins */
+#define CONFIG_KEYPAD FIIO_M3K_PAD
+
+/* Define this if a programmable hotkey is mapped */
+#define HAVE_HOTKEY
+
+/* define this if the target has volume keys which can be used in the lists */
+#define HAVE_VOLUME_IN_LIST
+
+#ifndef SIMULATOR
+/* We have usb power and can detect usb but it is handled by Linux */
+#define HAVE_USB_POWER
+
+#endif
+
+#define CONFIG_BATTERY_MEASURE VOLTAGE_MEASURE
+
+/* Linux controlls charging, we can monitor */
+#define CONFIG_CHARGING CHARGING_MONITOR
+
+/* define this if the hardware can be powered off while charging */
+#define HAVE_POWEROFF_WHILE_CHARGING
+
+/* same dimensions as gigabeats */
+#define CONFIG_LCD LCD_INGENIC_LINUX
+
+/* Define this if you have a software controlled poweroff */
+#define HAVE_SW_POWEROFF
+
+/* Define this to the CPU frequency */
+#define CPU_FREQ 1008000000
+
+/* No special storage */
+#define CONFIG_STORAGE STORAGE_HOSTFS
+#define HAVE_STORAGE_FLUSH
+
+/* Battery */
+#define BATTERY_TYPES_COUNT 1
+
+/* Audio codec */
+#define HAVE_FIIO_LINUX_CODEC
+
+/* We don't have hardware controls */
+#define HAVE_SW_TONE_CONTROLS
+
+/* Battery */
+#define BATTERY_CAPACITY_DEFAULT 1100 /* default battery capacity */
+#define BATTERY_CAPACITY_MIN 1100 /* min. capacity selectable */
+#define BATTERY_CAPACITY_MAX 1100 /* max. capacity selectable */
+#define BATTERY_CAPACITY_INC 0 /* capacity increment */
diff --git a/firmware/export/fiiolinux_codec.h b/firmware/export/fiiolinux_codec.h
index 22c2263046..118a0928d7 100644
--- a/firmware/export/fiiolinux_codec.h
+++ b/firmware/export/fiiolinux_codec.h
@@ -2,8 +2,11 @@
#define __FIIOLINUX_CODEC__
#define AUDIOHW_CAPS (FILTER_ROLL_OFF_CAP)
+#define AUDIOHW_HAVE_SHORT2_ROLL_OFF
AUDIOHW_SETTING(VOLUME, "dB", 0, 1, -100, 0, -30)
AUDIOHW_SETTING(FILTER_ROLL_OFF, "", 0, 1, 0, 4, 0)
#endif
+#define AUDIOHW_MUTE_ON_PAUSE
+
void audiohw_mute(int mute);
diff --git a/firmware/export/rbpaths.h b/firmware/export/rbpaths.h
index 87a6dd91ff..6b686eec0e 100644
--- a/firmware/export/rbpaths.h
+++ b/firmware/export/rbpaths.h
@@ -42,7 +42,7 @@
#if !defined(APPLICATION) || defined(SAMSUNG_YPR0) || defined(SAMSUNG_YPR1) || \
defined(DX50) || defined(DX90) || defined(SONY_NWZ_LINUX) || \
- defined(AGPTEK_ROCKER) || defined(XDUOO_X3II) || defined(XDUOO_X20)
+ defined(AGPTEK_ROCKER) || defined(XDUOO_X3II) || defined(XDUOO_X20) || defined(FIIO_M3K)
#if defined(SAMSUNG_YPR0) || defined(SAMSUNG_YPR1)
#define HOME_DIR "/mnt/media0"
@@ -53,6 +53,8 @@
#define HOME_DIR "/mnt/sdcard"
#elif defined(AGPTEK_ROCKER) || defined(XDUOO_X3II) || defined(XDUOO_X20)
#define HOME_DIR "/mnt/sd_0"
+#elif defined(FIIO_M3K)
+#define HOME_DIR "/mnt"
#else
#define HOME_DIR "/"
#endif
diff --git a/firmware/target/hosted/backlight-target.h b/firmware/target/hosted/backlight-target.h
index e3b8a7bd78..261af09d72 100644
--- a/firmware/target/hosted/backlight-target.h
+++ b/firmware/target/hosted/backlight-target.h
@@ -21,16 +21,20 @@
#ifndef _BACKLIGHT_TARGET_H_
#define _BACKLIGHT_TARGET_H_
-
#include <stdbool.h>
-
/* See backlight.c */
bool backlight_hw_init(void);
void backlight_hw_on(void);
void backlight_hw_off(void);
void backlight_hw_brightness(int brightness);
-
+#ifdef HAVE_BUTTON_LIGHT
+void buttonlight_hw_on(void);
+void buttonlight_hw_off(void);
+#ifdef HAVE_BUTTONLIGHT_BRIGHTNESS
+void buttonlight_hw_brightness(int brightness);
+#endif
#endif
+#endif
diff --git a/firmware/target/hosted/fiio/adc-target.h b/firmware/target/hosted/fiio/adc-target.h
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/firmware/target/hosted/fiio/adc-target.h
diff --git a/firmware/target/hosted/fiio/button-fiio.c b/firmware/target/hosted/fiio/button-fiio.c
new file mode 100644
index 0000000000..fcc7480e11
--- /dev/null
+++ b/firmware/target/hosted/fiio/button-fiio.c
@@ -0,0 +1,308 @@
+/***************************************************************************
+ * __________ __ ___
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) 2017 Marcin Bukat
+ * Copyright (C) 2019 Roman Stolyarov
+ *
+ * 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 <poll.h>
+//#include <dir.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <linux/input.h>
+#include <fcntl.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "sysfs.h"
+#include "button.h"
+#include "button-target.h"
+#include "panic.h"
+
+#include "kernel.h"
+#include "backlight.h"
+#include "backlight-target.h"
+
+static int key_enter_delay = 0;
+static int key_right_delay = 0;
+static int key_left_delay = 0;
+static int key_power_delay = 0;
+static int key_home_delay = 0;
+static int key_backspace_delay = 0;
+static int key_leftbrace_delay = 0;
+static int key_rightbrace_delay = 0;
+static int key_up_delay = 0;
+static int key_down_delay = 0;
+static int key_f12_delay = 0;
+
+#define NR_POLL_DESC 2
+static struct pollfd poll_fds[NR_POLL_DESC];
+
+#define DEF_DELAY 5
+
+static int button_map_on(int keycode)
+{
+ switch(keycode)
+ {
+ case KEY_ENTER:
+ key_enter_delay = DEF_DELAY;
+ return BUTTON_PLAY;
+ case KEY_F10:
+ key_enter_delay = 0;
+ return BUTTON_PLAY;
+
+ case KEY_RIGHT:
+ key_right_delay = DEF_DELAY;
+ return BUTTON_VOL_DOWN;
+ case KEY_F7:
+ key_right_delay = 0;
+ return BUTTON_VOL_DOWN;
+
+ case KEY_LEFT:
+ key_left_delay = DEF_DELAY;
+ return BUTTON_VOL_UP;
+ case KEY_F6:
+ key_left_delay = 0;
+ return BUTTON_VOL_UP;
+
+ case KEY_POWER:
+ key_power_delay = DEF_DELAY;
+ return BUTTON_POWER;
+ case KEY_F8:
+ key_power_delay = 0;
+ return BUTTON_POWER;
+
+ case KEY_HOME:
+ key_home_delay = DEF_DELAY;
+ return BUTTON_OPTION;
+ case KEY_F9:
+ key_home_delay = 0;
+ return BUTTON_OPTION;
+
+ case KEY_BACKSPACE:
+ key_backspace_delay = DEF_DELAY;
+ return BUTTON_HOME;
+ case KEY_NUMLOCK:
+ key_backspace_delay = 0;
+ return BUTTON_HOME;
+
+ case KEY_LEFTBRACE:
+ key_leftbrace_delay = DEF_DELAY;
+ return BUTTON_PREV;
+ case KEY_F5:
+ key_leftbrace_delay = 0;
+ return BUTTON_PREV;
+
+ case KEY_RIGHTBRACE:
+ key_rightbrace_delay = DEF_DELAY;
+ return BUTTON_NEXT;
+ case KEY_F4:
+ key_rightbrace_delay = 0;
+ return BUTTON_NEXT;
+
+ case KEY_UP:
+ if (!key_up_delay) key_up_delay = DEF_DELAY;
+ return BUTTON_UP;
+
+ case KEY_DOWN:
+ if (!key_down_delay) key_down_delay = DEF_DELAY;
+ return BUTTON_DOWN;
+
+ case KEY_F12:
+ key_f12_delay = DEF_DELAY;
+ //return BUTTON_UNLOCK;
+ return 0;
+
+ default:
+ return 0;
+ }
+}
+
+static int button_map_off(int keycode)
+{
+ switch(keycode)
+ {
+ case KEY_F10:
+ return BUTTON_PLAY;
+
+ case KEY_F7:
+ return BUTTON_VOL_DOWN;
+
+ case KEY_F6:
+ return BUTTON_VOL_UP;
+
+ case KEY_F8:
+ return BUTTON_POWER;
+
+ case KEY_F9:
+ return BUTTON_OPTION;
+
+ case KEY_NUMLOCK:
+ return BUTTON_HOME;
+
+ case KEY_F5:
+ return BUTTON_PREV;
+
+ case KEY_F4:
+ return BUTTON_NEXT;
+
+ default:
+ return 0;
+ }
+}
+
+static int button_map_timer(void)
+{
+ int map = 0;
+
+ if (key_enter_delay)
+ {
+ if (--key_enter_delay == 0) map |= BUTTON_PLAY;
+ }
+ if (key_right_delay)
+ {
+ if (--key_right_delay == 0) map |= BUTTON_VOL_DOWN;
+ }
+ if (key_left_delay)
+ {
+ if (--key_left_delay == 0) map |= BUTTON_VOL_UP;
+ }
+ if (key_power_delay)
+ {
+ if (--key_power_delay == 0) map |= BUTTON_POWER;
+ }
+ if (key_home_delay)
+ {
+ if (--key_home_delay == 0) map |= BUTTON_OPTION;
+ }
+ if (key_backspace_delay)
+ {
+ if (--key_backspace_delay == 0) map |= BUTTON_HOME;
+ }
+ if (key_leftbrace_delay)
+ {
+ if (--key_leftbrace_delay == 0) map |= BUTTON_PREV;
+ }
+ if (key_rightbrace_delay)
+ {
+ if (--key_rightbrace_delay == 0) map |= BUTTON_NEXT;
+ }
+ if (key_up_delay)
+ {
+ if (--key_up_delay == 0) map |= BUTTON_UP;
+ }
+ if (key_down_delay)
+ {
+ if (--key_down_delay == 0) map |= BUTTON_DOWN;
+ }
+ if (key_f12_delay)
+ {
+ if (--key_f12_delay == 0) map |= 0; //BUTTON_UNLOCK
+ }
+
+ return map;
+}
+
+void button_init_device(void)
+{
+ const char * const input_devs[] = {
+ "/dev/input/event0",
+ "/dev/input/event1",
+ };
+
+ for(int i = 0; i < NR_POLL_DESC; i++)
+ {
+ int fd = open(input_devs[i], O_RDWR);
+
+ if(fd < 0)
+ {
+ panicf("Cannot open input device: %s\n", input_devs[i]);
+ }
+
+ poll_fds[i].fd = fd;
+ poll_fds[i].events = POLLIN;
+ poll_fds[i].revents = 0;
+ }
+}
+
+int button_read_device(void)
+{
+ static int button_bitmap = 0;
+ static int map;
+ struct input_event event;
+
+ /* check if there are any events pending and process them */
+ while(poll(poll_fds, NR_POLL_DESC, 0))
+ {
+ for(int i = 0; i < NR_POLL_DESC; i++)
+ {
+ /* read only if non-blocking */
+ if(poll_fds[i].revents & POLLIN)
+ {
+ int size = read(poll_fds[i].fd, &event, sizeof(event));
+ if(size == (int)sizeof(event))
+ {
+ if(event.type == EV_KEY)
+ {
+ int keycode = event.code;
+
+ /* event.value == 1 means press
+ * event.value == 0 means release
+ */
+ bool press = event.value ? true : false;
+
+ if(press)
+ {
+ map = button_map_on(keycode);
+ if(map) button_bitmap |= map;
+ }
+ else
+ {
+ map = button_map_off(keycode);
+ if(map) button_bitmap &= ~map;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ map = button_map_timer();
+ if(map) button_bitmap &= ~map;
+
+ return button_bitmap;
+}
+
+bool headphones_inserted(void)
+{
+ int status = 0;
+ const char * const sysfs_hs_switch = "/sys/class/misc/axp173/headset_state";
+
+ sysfs_get_int(sysfs_hs_switch, &status);
+ if (status) return true;
+
+ return false;
+}
+
+void button_close_device(void)
+{
+ /* close descriptors */
+ for(int i = 0; i < NR_POLL_DESC; i++)
+ {
+ close(poll_fds[i].fd);
+ }
+}
diff --git a/firmware/target/hosted/fiio/button-target.h b/firmware/target/hosted/fiio/button-target.h
new file mode 100644
index 0000000000..8ed3b7ba0f
--- /dev/null
+++ b/firmware/target/hosted/fiio/button-target.h
@@ -0,0 +1,50 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) 2019 by Roman Stolyarov
+ *
+ * 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.
+ *
+ ****************************************************************************/
+#ifndef _BUTTON_TARGET_H_
+#define _BUTTON_TARGET_H_
+
+/* Main unit's buttons */
+#define BUTTON_POWER 0x00000001
+#define BUTTON_HOME 0x00000002
+#define BUTTON_OPTION 0x00000004
+#define BUTTON_PREV 0x00000008
+#define BUTTON_NEXT 0x00000010
+#define BUTTON_PLAY 0x00000020
+#define BUTTON_VOL_UP 0x00000040
+#define BUTTON_VOL_DOWN 0x00000080
+#define BUTTON_UP 0x00000100
+#define BUTTON_DOWN 0x00000200
+
+#define BUTTON_LEFT 0
+#define BUTTON_RIGHT 0
+
+#define BUTTON_MAIN (BUTTON_POWER | BUTTON_HOME | BUTTON_OPTION | BUTTON_PREV | \
+ BUTTON_NEXT | BUTTON_PLAY | BUTTON_VOL_UP | BUTTON_VOL_DOWN | \
+ BUTTON_UP | BUTTON_DOWN)
+
+#define BUTTON_LEFT BUTTON_PREV
+#define BUTTON_RIGHT BUTTON_NEXT
+
+/* Software power-off */
+#define POWEROFF_BUTTON BUTTON_POWER
+#define POWEROFF_COUNT 25
+
+#endif /* _BUTTON_TARGET_H_ */
+
diff --git a/firmware/target/hosted/fiio/buttonlight-fiio.c b/firmware/target/hosted/fiio/buttonlight-fiio.c
new file mode 100644
index 0000000000..37961f7b63
--- /dev/null
+++ b/firmware/target/hosted/fiio/buttonlight-fiio.c
@@ -0,0 +1,57 @@
+/***************************************************************************
+ * __________ __ ___
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) 2017 Marcin Bukat
+ *
+ * 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 <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdbool.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+#include "config.h"
+#include "backlight-target.h"
+#include "sysfs.h"
+#include "panic.h"
+#include "lcd.h"
+
+static const char * const sysfs_kb_brightness =
+ "/sys/class/jz_pwm_dev/jz_pwm_dev4/duty_ratio";
+
+static const char * const sysfs_kb_power =
+ "/sys/class/jz_pwm_dev/jz_pwm_dev4/enable";
+
+void buttonlight_hw_on(void)
+{
+ sysfs_set_int(sysfs_kb_power, 1);
+}
+
+void buttonlight_hw_off(void)
+{
+ sysfs_set_int(sysfs_kb_power, 0);
+}
+
+void buttonlight_hw_brightness(int brightness)
+{
+ if (brightness > MAX_BRIGHTNESS_SETTING)
+ brightness = MAX_BRIGHTNESS_SETTING;
+ if (brightness < MIN_BRIGHTNESS_SETTING)
+ brightness = MIN_BRIGHTNESS_SETTING;
+
+ sysfs_set_int(sysfs_kb_brightness, brightness);
+}
diff --git a/firmware/target/hosted/fiio/debug-fiio.c b/firmware/target/hosted/fiio/debug-fiio.c
new file mode 100644
index 0000000000..9812b8f8b9
--- /dev/null
+++ b/firmware/target/hosted/fiio/debug-fiio.c
@@ -0,0 +1 @@
+#include "../agptek/debug-agptek.c"
diff --git a/firmware/target/hosted/fiio/fiio.make b/firmware/target/hosted/fiio/fiio.make
new file mode 100644
index 0000000000..d159db77f3
--- /dev/null
+++ b/firmware/target/hosted/fiio/fiio.make
@@ -0,0 +1,49 @@
+# __________ __ ___.
+# Open \______ \ ____ ____ | | _\_ |__ _______ ___
+# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+# \/ \/ \/ \/ \/
+# $Id$
+#
+
+INCLUDES += -I$(FIRMDIR)/include -I$(FIRMDIR)/export $(TARGET_INC) -I$(BUILDDIR) -I$(APPSDIR)
+
+SIMFLAGS += $(INCLUDES) $(DEFINES) -DHAVE_CONFIG_H $(GCCOPTS)
+
+# bootloader build is sligtly different
+ifneq (,$(findstring bootloader,$(APPSDIR)))
+
+SRC += $(call preprocess, $(APPSDIR)/SOURCES)
+CLEANOBJS += $(BUILDDIR)/bootloader.*
+
+endif #bootloader
+
+.SECONDEXPANSION: # $$(OBJ) is not populated until after this
+
+ifneq (,$(findstring bootloader,$(APPSDIR)))
+# bootloader build
+
+$(BUILDDIR)/bootloader.elf : $$(OBJ) $(FIRMLIB) $(CORE_LIBS)
+ $(call PRINTS,LD $(@F))$(CC) $(GCCOPTS) -Os -o $@ $(OBJ) \
+ -L$(BUILDDIR)/firmware -lfirmware \
+ -L$(BUILDDIR)/lib $(call a2lnk,$(CORE_LIBS)) \
+ $(LDOPTS) $(GLOBAL_LDOPTS) -Wl,--gc-sections -Wl,-Map,$(BUILDDIR)/bootloader.map
+
+$(BUILDDIR)/$(BINARY): $(BUILDDIR)/bootloader.elf
+ $(call PRINTS,OC $(@F))$(call objcopy,$^,$@)
+
+else
+# rockbox app build
+
+$(BUILDDIR)/rockbox.elf : $$(OBJ) $(FIRMLIB) $(VOICESPEEXLIB) $(CORE_LIBS)
+ $(call PRINTS,LD $(@F))$(CC) $(GCCOPTS) -Os -o $@ $(OBJ) \
+ -L$(BUILDDIR)/firmware -lfirmware \
+ -L$(RBCODEC_BLD)/codecs $(call a2lnk, $(VOICESPEEXLIB)) \
+ -L$(BUILDDIR)/lib $(call a2lnk,$(CORE_LIBS)) \
+ $(LDOPTS) $(GLOBAL_LDOPTS) -Wl,-Map,$(BUILDDIR)/rockbox.map
+
+$(BUILDDIR)/$(BINARY): $(BUILDDIR)/rockbox.elf
+ $(call PRINTS,OC $(@F))$(call objcopy,$^,$@)
+
+endif
diff --git a/firmware/target/hosted/fiio/lcd-target.h b/firmware/target/hosted/fiio/lcd-target.h
new file mode 100644
index 0000000000..be5427322e
--- /dev/null
+++ b/firmware/target/hosted/fiio/lcd-target.h
@@ -0,0 +1,32 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) 2016 Amaury Pouly
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+#ifndef __LCD_TARGET_H__
+#define __LCD_TARGET_H__
+
+/* needs special ioctl() to redraw updated framebuffer content */
+#define LCD_OPTIMIZED_UPDATE
+#define LCD_OPTIMIZED_UPDATE_RECT
+
+extern fb_data *framebuffer; /* see lcd-fiio.c */
+#define LCD_FRAMEBUF_ADDR(col, row) (framebuffer + (row)*LCD_WIDTH + (col))
+
+extern void lcd_set_active(bool active);
+#endif /* __LCD_TARGET_H__ */
diff --git a/firmware/target/hosted/fiio/power-fiio.c b/firmware/target/hosted/fiio/power-fiio.c
new file mode 100644
index 0000000000..a2b19ce550
--- /dev/null
+++ b/firmware/target/hosted/fiio/power-fiio.c
@@ -0,0 +1,78 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) 2017 by Marcin Bukat
+ *
+ * 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 <sys/types.h>
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdio.h>
+
+#include "system.h"
+#include "power.h"
+#include "panic.h"
+#include "sysfs.h"
+#include "usb.h"
+
+#include "power-fiio.h"
+
+const char * const sysfs_bat_voltage =
+ "/sys/class/power_supply/battery/voltage_now";
+
+const char * const sysfs_bat_capacity =
+ "/sys/class/power_supply/battery/capacity";
+
+const char * const sysfs_bat_status =
+ "/sys/class/power_supply/battery/status";
+
+const char * const sysfs_pow_supply =
+ "/sys/class/power_supply/ac/online";
+
+unsigned int fiio_power_input_status(void)
+{
+ int present = 0;
+ sysfs_get_int(sysfs_pow_supply, &present);
+
+ usb_enable(present ? true : false);
+
+ return present ? POWER_INPUT_USB_CHARGER : POWER_INPUT_NONE;
+}
+
+bool fiio_power_charging_status(void)
+{
+ char buf[12] = {0};
+ sysfs_get_string(sysfs_bat_status, buf, sizeof(buf));
+
+ return (strncmp(buf, "Charging", 8) == 0);
+}
+
+unsigned int fiio_power_get_battery_voltage(void)
+{
+ int battery_voltage;
+ sysfs_get_int(sysfs_bat_voltage, &battery_voltage);
+
+ return battery_voltage;
+}
+
+unsigned int fiio_power_get_battery_capacity(void)
+{
+ int battery_capacity;
+ sysfs_get_int(sysfs_bat_capacity, &battery_capacity);
+
+ return battery_capacity * 20;
+}
diff --git a/firmware/target/hosted/fiio/power-fiio.h b/firmware/target/hosted/fiio/power-fiio.h
new file mode 100644
index 0000000000..c3085e9569
--- /dev/null
+++ b/firmware/target/hosted/fiio/power-fiio.h
@@ -0,0 +1,31 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) 2017 by Marcin Bukat
+ *
+ * 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.
+ *
+ ****************************************************************************/
+#ifndef _POWER_FIIO_H_
+#define _POWER_FIIO_H_
+
+#include <stdbool.h>
+#include "config.h"
+
+unsigned int fiio_power_input_status(void);
+bool fiio_power_charging_status(void);
+unsigned int fiio_power_get_battery_voltage(void);
+unsigned int fiio_power_get_battery_capacity(void);
+#endif /* _POWER_FIIO_H_ */
+
diff --git a/firmware/target/hosted/fiio/powermgmt-fiio.c b/firmware/target/hosted/fiio/powermgmt-fiio.c
new file mode 100644
index 0000000000..b7c1b5fde2
--- /dev/null
+++ b/firmware/target/hosted/fiio/powermgmt-fiio.c
@@ -0,0 +1,68 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) 2017 Marcin Bukat
+ *
+ * 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 "powermgmt.h"
+#include "power.h"
+#include "power-fiio.h"
+
+const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
+{
+ 3470
+};
+
+/* the OF shuts down at this voltage */
+const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
+{
+ 3400
+};
+
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
+const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
+{
+ { 3400, 3639, 3697, 3723, 3757, 3786, 3836, 3906, 3980, 4050, 4159 }
+};
+
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
+const unsigned short const percent_to_volt_charge[11] =
+{
+ 3485, 3780, 3836, 3857, 3890, 3930, 3986, 4062, 4158, 4185, 4196
+};
+
+unsigned int power_input_status(void)
+{
+ /* POWER_INPUT_USB_CHARGER, POWER_INPUT_NONE */
+ return fiio_power_input_status();
+}
+
+int _battery_voltage(void)
+{
+ return fiio_power_get_battery_voltage();
+}
+
+#if 0
+int _battery_level(void)
+{
+ return fiio_power_get_battery_capacity();
+}
+#endif
+
+bool charging_state(void)
+{
+ return fiio_power_charging_status();
+}
diff --git a/firmware/target/hosted/fiio/system-fiio.c b/firmware/target/hosted/fiio/system-fiio.c
new file mode 100644
index 0000000000..5e638989a1
--- /dev/null
+++ b/firmware/target/hosted/fiio/system-fiio.c
@@ -0,0 +1,205 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) 2017 Marcin Bukat
+ * Copyright (C) 2016 Amaury Pouly
+ *
+ * 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 <unistd.h>
+#include <signal.h>
+#include <string.h>
+#include <ucontext.h>
+#include <backtrace.h>
+
+#include "system.h"
+#include "mv.h"
+#include "font.h"
+#include "power.h"
+#include "button.h"
+#include "backlight-target.h"
+#include "lcd.h"
+
+#include "panic.h"
+#include <fcntl.h>
+#include <sys/ioctl.h>
+
+/* to make thread-internal.h happy */
+uintptr_t *stackbegin;
+uintptr_t *stackend;
+
+static void sig_handler(int sig, siginfo_t *siginfo, void *context)
+{
+ /* safe guard variable - we call backtrace() only on first
+ * UIE call. This prevent endless loop if backtrace() touches
+ * memory regions which cause abort
+ */
+ static bool triggered = false;
+
+ lcd_set_backdrop(NULL);
+ lcd_set_drawmode(DRMODE_SOLID);
+ lcd_set_foreground(LCD_BLACK);
+ lcd_set_background(LCD_WHITE);
+ unsigned line = 0;
+
+ lcd_setfont(FONT_SYSFIXED);
+ lcd_set_viewport(NULL);
+ lcd_clear_display();
+
+ /* get context info */
+ ucontext_t *uc = (ucontext_t *)context;
+ unsigned long pc = uc->uc_mcontext.pc;
+ unsigned long sp = uc->uc_mcontext.gregs[29];
+
+ lcd_putsf(0, line++, "%s at %08x", strsignal(sig), pc);
+
+ if(sig == SIGILL || sig == SIGFPE || sig == SIGSEGV || sig == SIGBUS || sig == SIGTRAP)
+ lcd_putsf(0, line++, "address 0x%08x", siginfo->si_addr);
+
+ if(!triggered)
+ {
+ triggered = true;
+ rb_backtrace(pc, sp, &line);
+ }
+
+#ifdef ROCKBOX_HAS_LOGF
+ lcd_putsf(0, line++, "logf:");
+ logf_panic_dump(&line);
+#endif
+
+ lcd_update();
+
+ system_exception_wait(); /* If this returns, try to reboot */
+
+ backlight_hw_off();
+ system_reboot();
+ while (1); /* halt */
+}
+
+static int axp_hw;
+
+void power_off(void)
+{
+ backlight_hw_off();
+
+ axp_hw = open("/dev/axp173", O_RDWR);
+ if(axp_hw < 0)
+ panicf("Cannot open '/dev/axp173'");
+
+ if(ioctl(axp_hw, 0x20003323, 0) < 0)
+ {
+ panicf("Call AXP173_SHUTDOWN fail");
+ }
+
+ close(axp_hw);
+}
+
+void system_init(void)
+{
+ int *s;
+ /* fake stack, to make thread-internal.h happy */
+ stackbegin = stackend = (uintptr_t*)&s;
+ /* catch some signals for easier debugging */
+ struct sigaction sa;
+ sigfillset(&sa.sa_mask);
+ sa.sa_flags = SA_SIGINFO;
+ sa.sa_sigaction = &sig_handler;
+ sigaction(SIGILL, &sa, NULL);
+ sigaction(SIGABRT, &sa, NULL);
+ sigaction(SIGFPE, &sa, NULL);
+ sigaction(SIGSEGV, &sa, NULL);
+ sigaction(SIGPIPE, &sa, NULL);
+ sigaction(SIGTERM, &sa, NULL);
+ sigaction(SIGBUS, &sa, NULL);
+ sigaction(SIGTERM, &sa, NULL);
+}
+
+void system_reboot(void)
+{
+ backlight_hw_off();
+ system("/sbin/reboot");
+ while (1); /* halt */
+}
+
+void system_exception_wait(void)
+{
+ backlight_hw_on();
+ backlight_hw_brightness(DEFAULT_BRIGHTNESS_SETTING);
+ /* wait until button press and release */
+ while(button_read_device() != 0) {}
+ while(button_read_device() == 0) {}
+ while(button_read_device() != 0) {}
+ while(button_read_device() == 0) {}
+}
+
+bool hostfs_removable(IF_MD_NONVOID(int drive))
+{
+#ifdef HAVE_MULTIDRIVE
+ if (drive > 0) /* Active LOW */
+ return true;
+ else
+#endif
+ return false; /* internal: always present */
+}
+
+bool hostfs_present(IF_MD_NONVOID(int drive))
+{
+#ifdef HAVE_MULTIDRIVE
+ if (drive > 0) /* Active LOW */
+ return true; //FIXME
+ else
+#endif
+ return true; /* internal: always present */
+}
+
+#ifdef HAVE_MULTIDRIVE
+int volume_drive(int drive)
+{
+ return drive;
+}
+#endif /* HAVE_MULTIDRIVE */
+
+#ifdef CONFIG_STORAGE_MULTI
+int hostfs_driver_type(int drive)
+{
+ return drive > 0 ? STORAGE_SD_NUM : STORAGE_HOSTFS_NUM;
+}
+#endif /* CONFIG_STORAGE_MULTI */
+
+int hostfs_init(void)
+{
+ return 0;
+}
+
+int hostfs_flush(void)
+{
+ sync();
+ return 0;
+}
+
+#ifdef HAVE_HOTSWAP
+bool volume_removable(int volume)
+{
+ /* don't support more than one partition yet, so volume == drive */
+ return hostfs_removable(volume);
+}
+
+bool volume_present(int volume)
+{
+ /* don't support more than one partition yet, so volume == drive */
+ return hostfs_present(volume);
+}
+#endif
+
diff --git a/firmware/target/hosted/fiio/system-target.h b/firmware/target/hosted/fiio/system-target.h
new file mode 100644
index 0000000000..830f19fde4
--- /dev/null
+++ b/firmware/target/hosted/fiio/system-target.h
@@ -0,0 +1,28 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) 2017 Marcin Bukat
+ * Copyright (C) 2016 Amaury Pouly
+ *
+ * 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.
+ *
+ ****************************************************************************/
+#ifndef __SYSTEM_TARGET_H__
+#define __SYSTEM_TARGET_H__
+
+#include "kernel-unix.h"
+#include "system-hosted.h"
+
+#define NEED_GENERIC_BYTESWAPS
+#endif /* __SYSTEM_TARGET_H__ */
diff --git a/firmware/target/hosted/fiio/usb-fiio.c b/firmware/target/hosted/fiio/usb-fiio.c
new file mode 100644
index 0000000000..76a0ec5a2b
--- /dev/null
+++ b/firmware/target/hosted/fiio/usb-fiio.c
@@ -0,0 +1,81 @@
+/***************************************************************************
+ * __________ __ ___
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) 2018 by Marcin Bukat
+ *
+ * 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 <stdlib.h>
+#include <sys/mount.h>
+#include <string.h>
+#include "config.h"
+#include "disk.h"
+#include "usb.h"
+#include "sysfs.h"
+#include "power.h"
+#include "power-fiio.h"
+
+const char * const sysfs_usb_online =
+ "/sys/class/power_supply/usb/online";
+
+int usb_detect(void)
+{
+ int present = 0;
+ sysfs_get_int(sysfs_usb_online, &present);
+
+ return present ? USB_INSERTED : USB_EXTRACTED;
+}
+
+void usb_enable(bool on)
+{
+ if (on)
+ {
+ system ("insmod /lib/modules/3.10.14/kernel/driver/usb/gadget/libcomposite.ko");
+ system ("insmod /lib/modules/3.10.14/kernel/driver/usb/gadget/usb_f_mass_storage.ko");
+ system ("insmod /lib/modules/3.10.14/kernel/driver/usb/gadget/g_mass_storage.ko file=/dev/mmcblk0 removable=1");
+ }
+ else
+ {
+ system ("rmmod g_mass_storage");
+ system ("rmmod usb_f_mass_storage");
+ system ("rmmod libcomposite");
+ }
+}
+
+/* This is called by usb thread after usb extract in order to return
+ * regular FS access
+ *
+ * returns the # of successful mounts
+*/
+int disk_mount_all(void)
+{
+ return 1;
+}
+
+/* This is called by usb thread after all threads ACKs usb inserted message
+ *
+ * returns the # of successful unmounts
+ */
+int disk_unmount_all(void)
+{
+ return 1;
+}
+
+void usb_init_device(void)
+{
+ system ("insmod /lib/modules/3.10.14/kernel/driver/staging/dwc2/dwc2.ko");
+ usb_enable(true);
+}
diff --git a/firmware/target/hosted/filesystem-app.c b/firmware/target/hosted/filesystem-app.c
index 57f9b47282..f291ece06d 100644
--- a/firmware/target/hosted/filesystem-app.c
+++ b/firmware/target/hosted/filesystem-app.c
@@ -36,9 +36,14 @@
#include "rbpaths.h"
#include "logf.h"
-#if (defined(AGPTEK_ROCKER) || defined(XDUOO_X3II) || defined(XDUOO_X20)) && !(defined(BOOTLOADER) || defined(CHECKWPS) || defined(SIMULATOR))
-#define PIVOT_ROOT HOME_DIR
+#if !(defined(BOOTLOADER) || defined(CHECKWPS) || defined(SIMULATOR))
+#if (defined(AGPTEK_ROCKER) || defined(XDUOO_X3II) || defined(XDUOO_X20))
+#define PIVOT_ROOT "/mnt/sd_0"
+#elif defined(FIIO_M3K)
+#define PIVOT_ROOT "/mnt" // XXX check this!
+#else
#endif
+#endif // !(BOOTLOADER|WPS|SIM)
#if (CONFIG_PLATFORM & PLATFORM_ANDROID)
static const char rbhome[] = "/sdcard";
@@ -52,7 +57,7 @@ static const char rbhome[] = HOME_DIR;
#if !(defined(SAMSUNG_YPR0) || defined(SAMSUNG_YPR1) || defined(DX50) || \
defined(SONY_NWZ_LINUX) || defined(DX90) || defined(AGPTEK_ROCKER) || \
- defined(XDUOO_X3II) || defined(XDUOO_X20)) && \
+ defined(XDUOO_X3II) || defined(XDUOO_X20) || defined(FIIO_M3K) || defined(FIIO_M3K_PRO)) && \
!defined(__PCTOOL__)
/* Special dirs are user-accessible (and user-writable) dirs which take priority
* over the ones where Rockbox is installed to. Classic example would be