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rockbox/utils/ibassoboot/jni/ibassodualboot.c
Dominik Riebeling c876d3bbef rbutil: Merge rbutil with utils folder. 
rbutil uses several components from the utils folder, and can be
considered part of utils too. Having it in a separate folder is an
arbitrary split that doesn't help anymore these days, so merge them.

This also allows other utils to easily use libtools.make without the
need to navigate to a different folder.

Change-Id: I3fc2f4de19e3e776553efb5dea5f779dfec0dc21
2021-12-24 18:05:53 +01:00

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/***************************************************************************
* __________ __ ___
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
*
* Copyright (C) 2014 by Ilia Sergachev: Initial Rockbox port to iBasso DX50
* Copyright (C) 2014 by Mario Basister: iBasso DX90 port
* Copyright (C) 2014 by Simon Rothen: Initial Rockbox repository submission, additional features
* Copyright (C) 2014 by Udo Schläpfer: Code clean up, additional features
*
* 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 <dirent.h>
#include <fcntl.h>
#include <pthread.h>
#include <stdbool.h>
#include <stdlib.h>
#include <unistd.h>
#include <linux/fb.h>
#include <linux/input.h>
#include <sys/mman.h>
#include <sys/poll.h>
#include <sys/reboot.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/wait.h>
#include "qdbmp.h"
/*- Android logcat ------------------------------------------------------------------------------*/
#ifdef DEBUG
#include <android/log.h>
static const char log_tag[] = "Rockbox Boot";
void debugf(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
__android_log_vprint(ANDROID_LOG_DEBUG, log_tag, fmt, ap);
va_end(ap);
}
void ldebugf(const char* file, int line, const char *fmt, ...)
{
va_list ap;
/* 13: 5 literal chars and 8 chars for the line number. */
char buf[strlen(file) + strlen(fmt) + 13];
snprintf(buf, sizeof(buf), "%s (%d): %s", file, line, fmt);
va_start(ap, fmt);
__android_log_vprint(ANDROID_LOG_DEBUG, log_tag, buf, ap);
va_end(ap);
}
void debug_trace(const char* function)
{
static const char trace_tag[] = "TRACE: ";
char msg[strlen(trace_tag) + strlen(function) + 1];
snprintf(msg, sizeof(msg), "%s%s", trace_tag, function);
__android_log_write(ANDROID_LOG_DEBUG, log_tag, msg);
}
#define DEBUGF debugf
#define TRACE debug_trace(__func__)
#else
#define DEBUGF(...)
#define TRACE
#endif /* DEBUG */
/*- Vold monitor --------------------------------------------------------------------------------*/
/*
Without this socket iBasso Vold will not start.
iBasso Vold uses this to send status messages about storage devices.
*/
static const char VOLD_MONITOR_SOCKET_NAME[] = "UNIX_domain";
static int _vold_monitor_socket_fd = -1;
static void vold_monitor_open_socket(void)
{
TRACE;
unlink(VOLD_MONITOR_SOCKET_NAME);
_vold_monitor_socket_fd = socket(AF_UNIX, SOCK_STREAM, 0);
if(_vold_monitor_socket_fd < 0)
{
_vold_monitor_socket_fd = -1;
return;
}
struct sockaddr_un addr;
memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
strncpy(addr.sun_path, VOLD_MONITOR_SOCKET_NAME, sizeof(addr.sun_path) - 1);
if(bind(_vold_monitor_socket_fd, (struct sockaddr*) &addr, sizeof(addr)) < 0)
{
close(_vold_monitor_socket_fd);
unlink(VOLD_MONITOR_SOCKET_NAME);
_vold_monitor_socket_fd = -1;
return;
}
if(listen(_vold_monitor_socket_fd, 1) < 0)
{
close(_vold_monitor_socket_fd);
unlink(VOLD_MONITOR_SOCKET_NAME);
_vold_monitor_socket_fd = -1;
return;
}
}
/*
bionic does not have pthread_cancel.
0: Vold monitor thread stopped/ending.
1: Vold monitor thread started/running.
*/
static volatile sig_atomic_t _vold_monitor_active = 0;
/* true: sdcard not mounted. */
static bool _sdcard_not_mounted = true;
/* Mutex for sdcard mounted flag. */
static pthread_mutex_t _sdcard_mount_mtx = PTHREAD_MUTEX_INITIALIZER;
/* Signal condition for sdcard mounted flag. */
static pthread_cond_t _sdcard_mount_cond = PTHREAD_COND_INITIALIZER;
static void* vold_monitor_run(void* nothing)
{
_vold_monitor_active = 1;
(void) nothing;
DEBUGF("DEBUG %s: Thread start.", __func__);
vold_monitor_open_socket();
if(_vold_monitor_socket_fd < 0)
{
DEBUGF("ERROR %s: Thread end: No socket.", __func__);
_vold_monitor_active = 0;
return 0;
}
struct pollfd fds[1];
fds[0].fd = _vold_monitor_socket_fd;
fds[0].events = POLLIN;
while(_vold_monitor_active == 1)
{
poll(fds, 1, 10);
if(! (fds[0].revents & POLLIN))
{
continue;
}
int socket_fd = accept(_vold_monitor_socket_fd, NULL, NULL);
if(socket_fd < 0)
{
DEBUGF("ERROR %s: accept failed.", __func__);
continue;
}
while(true)
{
char msg[1024];
memset(msg, 0, sizeof(msg));
int length = read(socket_fd, msg, sizeof(msg));
if(length <= 0)
{
close(socket_fd);
break;
}
DEBUGF("DEBUG %s: msg: %s", __func__, msg);
if(strcmp(msg, "Volume flash /mnt/sdcard state changed from 3 (Checking) to 4 (Mounted)") == 0)
{
pthread_mutex_lock(&_sdcard_mount_mtx);
_sdcard_not_mounted = false;
pthread_cond_signal(&_sdcard_mount_cond);
pthread_mutex_unlock(&_sdcard_mount_mtx);
}
}
}
close(_vold_monitor_socket_fd);
unlink(VOLD_MONITOR_SOCKET_NAME);
_vold_monitor_socket_fd = -1;
DEBUGF("DEBUG %s: Thread end.", __func__);
_vold_monitor_active = 0;
return 0;
}
/* Vold monitor thread. */
static pthread_t _vold_monitor_thread;
static void vold_monitor_start(void)
{
TRACE;
if(_vold_monitor_active == 0)
{
pthread_create(&_vold_monitor_thread, NULL, vold_monitor_run, NULL);
}
}
static void vold_monitor_stop(void)
{
TRACE;
if(_vold_monitor_active == 1)
{
_vold_monitor_active = 0;
int ret = pthread_join(_vold_monitor_thread, NULL);
DEBUGF("DEBUG %s: Thread joined: ret: %d.", __func__, ret);
}
}
/*- Input handler -------------------------------------------------------------------------------*/
/* Input devices monitored with poll API. */
static struct pollfd* _fds = NULL;
/* Number of input devices monitored with poll API. */
static nfds_t _nfds = 0;
/* The names of the devices in _fds. */
static char** _device_names = NULL;
/* Open device device_name and add it to the list of polled devices. */
static void open_device(const char* device_name)
{
int fd = open(device_name, O_RDONLY);
if(fd == -1)
{
DEBUGF("ERROR %s: open failed on %s.", __func__, device_name);
exit(-1);
}
struct pollfd* new_fds = realloc(_fds, sizeof(struct pollfd) * (_nfds + 1));
if(new_fds == NULL)
{
DEBUGF("ERROR %s: realloc for _fds failed.", __func__);
exit(-1);
}
_fds = new_fds;
_fds[_nfds].fd = fd;
_fds[_nfds].events = POLLIN;
char** new_device_names = realloc(_device_names, sizeof(char*) * (_nfds + 1));
if(new_device_names == NULL)
{
DEBUGF("ERROR %s: realloc for _device_names failed.", __func__);
exit(-1);
}
_device_names = new_device_names;
_device_names[_nfds] = strdup(device_name);
if(_device_names[_nfds] == NULL)
{
DEBUGF("ERROR %s: strdup failed.", __func__);
exit(-1);
}
++_nfds;
DEBUGF("DEBUG %s: Opened device %s.", __func__, device_name);
}
static void button_init_device(void)
{
TRACE;
if((_fds != NULL) || (_nfds != 0) || (_device_names != NULL))
{
DEBUGF("ERROR %s: Allready initialized.", __func__);
return;
}
/* The input device directory. */
static const char device_path[] = "/dev/input";
/* Path delimeter. */
static const char delimeter[] = "/";
/* Open all devices in device_path. */
DIR* dir = opendir(device_path);
if(dir == NULL)
{
DEBUGF("ERROR %s: opendir failed: errno: %d.", __func__, errno);
exit(errno);
}
char device_name[PATH_MAX];
strcpy(device_name, device_path);
strcat(device_name, delimeter);
char* device_name_idx = device_name + strlen(device_name);
struct dirent* dir_entry;
while((dir_entry = readdir(dir)))
{
if( ((dir_entry->d_name[0] == '.') && (dir_entry->d_name[1] == '\0'))
|| ((dir_entry->d_name[0] == '.') && (dir_entry->d_name[1] == '.') && (dir_entry->d_name[2] == '\0')))
{
continue;
}
strcpy(device_name_idx, dir_entry->d_name);
/* Open and add device to _fds. */
open_device(device_name);
}
closedir(dir);
/* Sanity check. */
if(_nfds < 2)
{
DEBUGF("ERROR %s: No input devices.", __func__);
exit(-1);
}
}
#define EVENT_TYPE_BUTTON 1
#define EVENT_CODE_BUTTON_PWR_LONG 117
#define EVENT_CODE_BUTTON_REV 160
#define EVENT_CODE_BUTTON_NEXT 162
#define EVENT_TYPE_TOUCHSCREEN 3
#define EVENT_CODE_TOUCHSCREEN_X 53
enum user_choice
{
CHOICE_NONE = -1,
CHOICE_MANGO,
CHOICE_ROCKBOX,
CHOICE_POWEROFF
};
static int get_user_choice(void)
{
TRACE;
button_init_device();
enum user_choice choice = CHOICE_NONE;
while(choice == CHOICE_NONE)
{
/* Poll all input devices. */
poll(_fds, _nfds, 0);
nfds_t fds_idx = 0;
for( ; fds_idx < _nfds; ++fds_idx)
{
if(! (_fds[fds_idx].revents & POLLIN))
{
continue;
}
struct input_event event;
if(read(_fds[fds_idx].fd, &event, sizeof(event)) < (int) sizeof(event))
{
DEBUGF("ERROR %s: Read of input devices failed.", __func__);
continue;
}
DEBUGF("DEBUG %s: device: %s, event.type: %d, event.code: %d, event.value: %d", __func__, _device_names[fds_idx], event.type, event.code, event.value);
if(event.type == EVENT_TYPE_BUTTON)
{
switch(event.code)
{
case EVENT_CODE_BUTTON_REV:
{
choice = CHOICE_MANGO;
break;
}
case EVENT_CODE_BUTTON_NEXT:
{
choice = CHOICE_ROCKBOX;
break;
}
case EVENT_CODE_BUTTON_PWR_LONG:
{
choice = CHOICE_POWEROFF;
break;
}
}
}
else if((event.type == EVENT_TYPE_TOUCHSCREEN) && (event.code == EVENT_CODE_TOUCHSCREEN_X))
{
if(event.value < 160)
{
choice = CHOICE_MANGO;
}
else
{
choice = CHOICE_ROCKBOX;
}
}
}
}
if(_fds)
{
nfds_t fds_idx = 0;
for( ; fds_idx < _nfds; ++fds_idx)
{
close(_fds[fds_idx].fd);
}
free(_fds);
_fds = NULL;
}
if(_device_names)
{
nfds_t fds_idx = 0;
for( ; fds_idx < _nfds; ++fds_idx)
{
free(_device_names[fds_idx]);
}
free(_device_names);
_device_names = NULL;
}
_nfds = 0;
return choice;
}
/*
Changing bit, when hold switch is toggled.
Bit is off when hold switch is engaged.
*/
#define HOLD_SWITCH_BIT 16
static bool check_for_hold(void)
{
TRACE;
char hold_state;
FILE* f = fopen("/sys/class/axppower/holdkey", "r");
fscanf(f, "%c", &hold_state);
fclose(f);
return(! (hold_state & HOLD_SWITCH_BIT));
}
/*- Display -------------------------------------------------------------------------------------*/
static void draw(const char* file)
{
DEBUGF("DEBUG %s: file: %s.", __func__, file);
int dev_fd = open("/dev/graphics/fb0", O_RDWR);
if(dev_fd == -1)
{
DEBUGF("ERROR %s: open failed on /dev/graphics/fb0, errno: %d.", __func__, errno);
exit(errno);
}
/* Get fixed screen information. */
struct fb_fix_screeninfo finfo;
if(ioctl(dev_fd, FBIOGET_FSCREENINFO, &finfo) < 0)
{
DEBUGF("ERROR %s: ioctl FBIOGET_FSCREENINFO failed on /dev/graphics/fb0, errno: %d.", __func__, errno);
exit(errno);
}
/* Get the changeable information. */
struct fb_var_screeninfo vinfo;
if(ioctl(dev_fd, FBIOGET_VSCREENINFO, &vinfo) < 0)
{
DEBUGF("ERROR %s: ioctl FBIOGET_VSCREENINFO failed on /dev/graphics/fb0, errno: %d.", __func__, errno);
exit(errno);
}
DEBUGF("DEBUG %s: bits_per_pixel: %u, width: %u, height: %u.", __func__, vinfo.bits_per_pixel, vinfo.width, vinfo.height);
size_t screensize = vinfo.xres * vinfo.yres * vinfo.bits_per_pixel / 8;
/* ToDo: Is this needed? */
vinfo.xres = 320;
vinfo.xres_virtual = 320;
vinfo.width = 320;
vinfo.yres = 240;
vinfo.yres_virtual = 240;
vinfo.height = 240;
vinfo.xoffset = 0;
vinfo.yoffset = 0;
vinfo.sync = 0;
vinfo.vmode = 0;
vinfo.pixclock = 104377;
vinfo.left_margin = 20;
vinfo.right_margin = 50;
vinfo.upper_margin = 2;
vinfo.lower_margin = 4;
vinfo.hsync_len = 10;
vinfo.vsync_len = 2;
vinfo.red.offset = 11;
vinfo.red.length = 5;
vinfo.red.msb_right = 0;
vinfo.green.offset = 5;
vinfo.green.length = 6;
vinfo.green.msb_right = 0;
vinfo.blue.offset = 0;
vinfo.blue.length = 5;
vinfo.blue.msb_right = 0;
vinfo.transp.offset = 0;
vinfo.transp.length = 0;
vinfo.transp.msb_right = 0;
vinfo.nonstd = 4;
if(ioctl(dev_fd, FBIOPUT_VSCREENINFO, &vinfo) < 0)
{
DEBUGF("ERROR %s: ioctl FBIOPUT_VSCREENINFO failed on /dev/graphics/fb0, errno: %d.", __func__, errno);
exit(errno);
}
/* Map the device to memory. */
char* dev_fb = (char*) mmap(0, screensize, PROT_READ | PROT_WRITE, MAP_SHARED, dev_fd, 0);
if(dev_fb == MAP_FAILED)
{
DEBUGF("ERROR %s: mmap failed on /dev/graphics/fb0, errno: %d.", __func__, errno);
exit(errno);
}
BMP* bmp = BMP_ReadFile(file);
if(BMP_GetError() != BMP_OK )
{
DEBUGF("ERROR %s: BMP_ReadFile failed on %s: %d.", __func__, file, BMP_GetError());
exit(BMP_GetError());
}
int y = 0;
for( ; y < 240; ++y)
{
int x = 0;
for( ; x < 320; ++x)
{
long int position = (x + vinfo.xoffset) * (vinfo.bits_per_pixel / 8 )
+ (y + vinfo.yoffset) * finfo.line_length;
UCHAR r, g, b;
BMP_GetPixelRGB(bmp, x, y, &r, &g, &b);
unsigned short int pixel = (r >> 3) << 11 | (g >> 2) << 5 | (b >> 3);
*((unsigned short int*)(dev_fb + position)) = pixel;
}
}
BMP_Free(bmp);
munmap(dev_fb, screensize);
close(dev_fd);
}
/*-----------------------------------------------------------------------------------------------*/
static const char ROCKBOX_BIN[] = "/mnt/sdcard/.rockbox/rockbox";
static const char OF_PLAYER_BIN[] = "/system/bin/MangoPlayer_original";
static const char PLAYER_FILE[] = "/data/chosen_player";
int main(int argc, char **argv)
{
TRACE;
/*
Create the iBasso Vold socket and monitor it.
Do this early to not block Vold.
*/
vold_monitor_start();
int last_chosen_player = CHOICE_NONE;
FILE* f = fopen(PLAYER_FILE, "r");
if(f != NULL)
{
fscanf(f, "%d", &last_chosen_player);
fclose(f);
}
DEBUGF("DEBUG %s: Current player choice: %d.", __func__, last_chosen_player);
if(check_for_hold() || (last_chosen_player == CHOICE_NONE))
{
draw("/system/chooser.bmp");
enum user_choice choice = get_user_choice();
if(choice == CHOICE_POWEROFF)
{
reboot(RB_POWER_OFF);
while(true)
{
sleep(1);
}
}
if(choice != last_chosen_player)
{
last_chosen_player = choice;
f = fopen(PLAYER_FILE, "w");
fprintf(f, "%d", last_chosen_player);
fclose(f);
}
DEBUGF("DEBUG %s: New player choice: %d.", __func__, last_chosen_player);
}
/* true, Rockbox was started at least once. */
bool rockboxStarted = false;
while(true)
{
/* Excecute OF MangoPlayer or Rockbox and restart it if it crashes. */
if(last_chosen_player == CHOICE_ROCKBOX)
{
if(rockboxStarted)
{
/*
At this point it is assumed, that Rockbox has exited due to a USB connection
triggering a remount of the internal storage for mass storage access.
Rockbox will eventually restart, when /mnt/sdcard becomes available again.
*/
draw("/system/usb.bmp");
}
pthread_mutex_lock(&_sdcard_mount_mtx);
while(_sdcard_not_mounted)
{
DEBUGF("DEBUG %s: Waiting on /mnt/sdcard/.", __func__);
pthread_cond_wait(&_sdcard_mount_cond, &_sdcard_mount_mtx);
DEBUGF("DEBUG %s: /mnt/sdcard/ available.", __func__);
}
pthread_mutex_unlock(&_sdcard_mount_mtx);
/* To be able to execute rockbox. */
system("mount -o remount,exec /mnt/sdcard");
/* This symlink is needed mainly to keep themes functional. */
system("ln -s /mnt/sdcard/.rockbox /.rockbox");
if(access(ROCKBOX_BIN, X_OK) != -1)
{
/* Start Rockbox. */
/* Rockbox has its own vold monitor. */
vold_monitor_stop();
DEBUGF("DEBUG %s: Excecuting %s.", __func__, ROCKBOX_BIN);
int ret_code = system(ROCKBOX_BIN);
rockboxStarted = true;
DEBUGF("DEBUG %s: ret_code: %d.", __func__, ret_code);
if(WIFEXITED(ret_code) && (WEXITSTATUS(ret_code) == 42))
{
/*
Rockbox terminated to prevent a froced shutdown due to a USB connection
triggering a remount of the internal storage for mass storage access.
*/
_sdcard_not_mounted = true;
}
/* else Rockbox crashed ... */
vold_monitor_start();
}
else
{
/* Rockbox executable missing. Show info screen for 30 seconds. */
draw("/system/rbmissing.bmp");
sleep(30);
/* Do not block Vold, so stop after sleep. */
vold_monitor_stop();
#ifdef DEBUG
system("setprop persist.sys.usb.config adb");
system("setprop persist.usb.debug 1");
#endif
DEBUGF("DEBUG %s: Rockbox missing, excecuting %s.", __func__, OF_PLAYER_BIN);
/* Start OF MangoPlayer. */
int ret_code = system(OF_PLAYER_BIN);
DEBUGF("DEBUG %s: ret_code: %d.", __func__, ret_code);
}
}
else /* if(last_chosen_player == CHOICE_MANGO) */
{
vold_monitor_stop();
DEBUGF("DEBUG %s: Excecuting %s.", __func__, OF_PLAYER_BIN);
int ret_code = system(OF_PLAYER_BIN);
DEBUGF("DEBUG %s: ret_code: %d.", __func__, ret_code);
}
}
return 0;
}
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