261 lines
7.1 KiB
C
261 lines
7.1 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2009 by Jens Arnold
|
|
* Copyright (C) 2011 by Thomas Martitz
|
|
*
|
|
* Rockbox simulator specific tasks
|
|
*
|
|
* 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 "kernel.h"
|
|
#include "screendump.h"
|
|
#include "thread.h"
|
|
#include "debug.h"
|
|
#include "usb.h"
|
|
#include "mv.h"
|
|
#include "ata_idle_notify.h"
|
|
#ifdef WIN32
|
|
#include <windows.h>
|
|
#endif
|
|
|
|
static void sim_thread(void);
|
|
static long sim_thread_stack[DEFAULT_STACK_SIZE/sizeof(long)];
|
|
/* stack isn't actually used in the sim */
|
|
static const char sim_thread_name[] = "sim";
|
|
static struct event_queue sim_queue;
|
|
|
|
/* possible events for the sim thread */
|
|
enum {
|
|
SIM_SCREENDUMP,
|
|
SIM_USB_INSERTED,
|
|
SIM_USB_EXTRACTED,
|
|
#ifdef HAVE_MULTIDRIVE
|
|
SIM_EXT_INSERTED,
|
|
SIM_EXT_EXTRACTED,
|
|
#endif
|
|
};
|
|
|
|
#ifdef HAVE_MULTIDRIVE
|
|
extern void sim_ext_extracted(int drive);
|
|
#endif
|
|
|
|
void sim_thread(void)
|
|
{
|
|
struct queue_event ev;
|
|
long last_broadcast_tick = current_tick;
|
|
int num_acks_to_expect = 0;
|
|
|
|
while (1)
|
|
{
|
|
queue_wait_w_tmo(&sim_queue, &ev, 5*HZ);
|
|
switch(ev.id)
|
|
{
|
|
case SYS_TIMEOUT:
|
|
call_storage_idle_notifys(false);
|
|
break;
|
|
|
|
case SIM_SCREENDUMP:
|
|
screen_dump();
|
|
#ifdef HAVE_REMOTE_LCD
|
|
remote_screen_dump();
|
|
#endif
|
|
break;
|
|
case SIM_USB_INSERTED:
|
|
/* from firmware/usb.c: */
|
|
/* Tell all threads that they have to back off the storage.
|
|
We subtract one for our own thread. Expect an ACK for every
|
|
listener for each broadcast they received. If it has been too
|
|
long, the user might have entered a screen that didn't ACK
|
|
when inserting the cable, such as a debugging screen. In that
|
|
case, reset the count or else USB would be locked out until
|
|
rebooting because it most likely won't ever come. Simply
|
|
resetting to the most recent broadcast count is racy. */
|
|
if(TIME_AFTER(current_tick, last_broadcast_tick + HZ*5))
|
|
{
|
|
num_acks_to_expect = 0;
|
|
last_broadcast_tick = current_tick;
|
|
}
|
|
|
|
num_acks_to_expect += queue_broadcast(SYS_USB_CONNECTED, 0) - 1;
|
|
DEBUGF("USB inserted. Waiting for %d acks...\n",
|
|
num_acks_to_expect);
|
|
break;
|
|
case SYS_USB_CONNECTED_ACK:
|
|
if(num_acks_to_expect > 0 && --num_acks_to_expect == 0)
|
|
{
|
|
DEBUGF("All threads have acknowledged the connect.\n");
|
|
}
|
|
else
|
|
{
|
|
DEBUGF("usb: got ack, %d to go...\n",
|
|
num_acks_to_expect);
|
|
}
|
|
break;
|
|
case SIM_USB_EXTRACTED:
|
|
/* in usb.c, this is only done for exclusive storage
|
|
* do it here anyway but don't depend on the acks */
|
|
queue_broadcast(SYS_USB_DISCONNECTED, 0);
|
|
break;
|
|
#ifdef HAVE_MULTIDRIVE
|
|
case SIM_EXT_INSERTED:
|
|
case SIM_EXT_EXTRACTED:
|
|
sim_ext_extracted(ev.data);
|
|
queue_broadcast(ev.id == SIM_EXT_INSERTED ?
|
|
SYS_HOTSWAP_INSERTED : SYS_HOTSWAP_EXTRACTED, 0);
|
|
sleep(HZ/20);
|
|
queue_broadcast(SYS_FS_CHANGED, 0);
|
|
break;
|
|
#endif /* HAVE_MULTIDRIVE */
|
|
default:
|
|
DEBUGF("sim_tasks: unhandled event: %ld\n", ev.id);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void sim_tasks_init(void)
|
|
{
|
|
queue_init(&sim_queue, false);
|
|
|
|
create_thread(sim_thread, sim_thread_stack, sizeof(sim_thread_stack), 0,
|
|
sim_thread_name IF_PRIO(,PRIORITY_BACKGROUND) IF_COP(,CPU));
|
|
}
|
|
|
|
void sim_trigger_screendump(void)
|
|
{
|
|
queue_post(&sim_queue, SIM_SCREENDUMP, 0);
|
|
}
|
|
|
|
static bool is_usb_inserted;
|
|
void sim_trigger_usb(bool inserted)
|
|
{
|
|
if (inserted)
|
|
queue_post(&sim_queue, SIM_USB_INSERTED, 0);
|
|
else
|
|
queue_post(&sim_queue, SIM_USB_EXTRACTED, 0);
|
|
is_usb_inserted = inserted;
|
|
}
|
|
|
|
int usb_detect(void)
|
|
{
|
|
return is_usb_inserted ? USB_INSERTED : USB_EXTRACTED;
|
|
}
|
|
|
|
void usb_init(void)
|
|
{
|
|
}
|
|
|
|
void usb_start_monitoring(void)
|
|
{
|
|
}
|
|
|
|
void usb_acknowledge(long id)
|
|
{
|
|
queue_post(&sim_queue, id, 0);
|
|
}
|
|
|
|
void usb_wait_for_disconnect(struct event_queue *q)
|
|
{
|
|
struct queue_event ev;
|
|
|
|
/* Don't return until we get SYS_USB_DISCONNECTED */
|
|
while(1)
|
|
{
|
|
queue_wait(q, &ev);
|
|
if(ev.id == SYS_USB_DISCONNECTED)
|
|
return;
|
|
}
|
|
}
|
|
|
|
#ifdef HAVE_MULTIDRIVE
|
|
static bool is_ext_inserted;
|
|
|
|
void sim_trigger_external(bool inserted)
|
|
{
|
|
is_ext_inserted = inserted;
|
|
|
|
int drive = 1; /* Can do others! */
|
|
if (inserted)
|
|
queue_post(&sim_queue, SIM_EXT_INSERTED, drive);
|
|
else
|
|
queue_post(&sim_queue, SIM_EXT_EXTRACTED, drive);
|
|
}
|
|
|
|
bool hostfs_present(int drive)
|
|
{
|
|
return drive > 0 ? is_ext_inserted : true;
|
|
}
|
|
|
|
bool hostfs_removable(int drive)
|
|
{
|
|
return drive > 0;
|
|
}
|
|
|
|
#ifdef HAVE_MULTIVOLUME
|
|
bool volume_removable(int volume)
|
|
{
|
|
/* volume == drive for now */
|
|
return hostfs_removable(volume);
|
|
}
|
|
|
|
bool volume_present(int volume)
|
|
{
|
|
/* volume == drive for now */
|
|
return hostfs_present(volume);
|
|
}
|
|
|
|
int volume_drive(int volume)
|
|
{
|
|
/* volume == drive for now */
|
|
return volume;
|
|
}
|
|
#endif /* HAVE_MULTIVOLUME */
|
|
|
|
#if (CONFIG_STORAGE & STORAGE_MMC)
|
|
bool mmc_touched(void)
|
|
{
|
|
return hostfs_present(1);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_STORAGE_MULTI
|
|
int hostfs_driver_type(int drive)
|
|
{
|
|
/* Hack alert */
|
|
#if (CONFIG_STORAGE & STORAGE_ATA)
|
|
#define SIMEXT1_TYPE_NUM STORAGE_ATA_NUM
|
|
#elif (CONFIG_STORAGE & STORAGE_SD)
|
|
#define SIMEXT1_TYPE_NUM STORAGE_SD_NUM
|
|
#elif (CONFIG_STORAGE & STORAGE_MMC)
|
|
#define SIMEXT1_TYPE_NUM STORAGE_MMC_NUM
|
|
#elif (CONFIG_STORAGE & STORAGE_NAND)
|
|
#define SIMEXT1_TYPE_NUM STORAGE_NAND_NUM
|
|
#elif (CONFIG_STORAGE & STORAGE_RAMDISK)
|
|
#define SIMEXT1_TYPE_NUM STORAGE_RAMDISK_NUM
|
|
#elif (CONFIG_STORAGE & STORAGE_USB)
|
|
#define SIMEXT1_TYPE_NUM STORAGE_USB_NUM
|
|
#else
|
|
#error Unknown storage driver
|
|
#endif /* CONFIG_STORAGE */
|
|
|
|
return drive > 0 ? SIMEXT1_TYPE_NUM : STORAGE_HOSTFS_NUM;
|
|
}
|
|
#endif /* CONFIG_STORAGE_MULTI */
|
|
|
|
#endif /* CONFIG_STORAGE & STORAGE_MMC */
|