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|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Frank Gevaerts
*
* 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 "storage.h"
#include "kernel.h"
#include "ata_idle_notify.h"
#include "usb.h"
#include "disk.h"
#ifdef CONFIG_STORAGE_MULTI
#define DRIVER_MASK 0xff000000
#define DRIVER_OFFSET 24
#define DRIVE_MASK 0x00ff0000
#define DRIVE_OFFSET 16
#define PARTITION_MASK 0x0000ff00
static unsigned int storage_drivers[NUM_DRIVES];
static unsigned int num_drives;
#endif /* CONFIG_STORAGE_MULTI */
/* defaults: override elsewhere target-wise if they must be different */
#if (CONFIG_STORAGE & STORAGE_ATA)
#ifndef ATA_THREAD_STACK_SIZE
#define ATA_THREAD_STACK_SIZE (DEFAULT_STACK_SIZE*2)
#endif
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
#ifndef MMC_THREAD_STACK_SIZE
#define MMC_THREAD_STACK_SIZE (DEFAULT_STACK_SIZE*2)
#endif
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
#ifndef SD_THREAD_STACK_SIZE
#define SD_THREAD_STACK_SIZE (DEFAULT_STACK_SIZE*2)
#endif
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
#ifndef NAND_THREAD_STACK_SIZE
#define NAND_THREAD_STACK_SIZE (DEFAULT_STACK_SIZE*2)
#endif
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
#ifndef RAMDISK_THREAD_STACK_SIZE
#define RAMDISK_THREAD_STACK_SIZE (0) /* not used on its own */
#endif
#endif
static struct event_queue storage_queue SHAREDBSS_ATTR;
static unsigned int storage_thread_id = 0;
static union {
#if (CONFIG_STORAGE & STORAGE_ATA)
long stk_ata[ATA_THREAD_STACK_SIZE / sizeof (long)];
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
long stk_mmc[MMC_THREAD_STACK_SIZE / sizeof (long)];
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
long stk_sd[SD_THREAD_STACK_SIZE / sizeof (long)];
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
long stk_nand[NAND_THREAD_STACK_SIZE / sizeof (long)];
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
long stk_ramdisk[RAMDISK_THREAD_STACK_SIZE / sizeof (long)];
#endif
} storage_thread_stack;
static const char storage_thread_name[] =
#if (CONFIG_STORAGE & STORAGE_ATA)
"/ata"
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
"/mmc"
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
"/sd"
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
"/nand"
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
"/ramdisk"
#endif
;
/* event is targeted to a specific drive */
#define DRIVE_EVT (1 << STORAGE_NUM_TYPES)
#ifdef CONFIG_STORAGE_MULTI
static int storage_event_send(unsigned int route, long id, intptr_t data)
{
/* most events go to everyone */
if (UNLIKELY(route == DRIVE_EVT)) {
route = (storage_drivers[data] & DRIVER_MASK) >> DRIVER_OFFSET;
data = (storage_drivers[data] & DRIVE_MASK) >> DRIVE_OFFSET;
}
int rc = 0;
#if (CONFIG_STORAGE & STORAGE_ATA)
if (route & STORAGE_ATA) {
rc = ata_event(id, data);
}
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
if (route & STORAGE_MMC) {
rc = mmc_event(id, data);
}
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
if (route & STORAGE_SD) {
rc = sd_event(id, data);
}
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
if (route & STORAGE_NAND) {
rc = nand_event(id, data);
}
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
if (route & STORAGE_RAMDISK) {
rc = ramdisk_event(id, data);
}
#endif
return rc;
}
#endif /* CONFIG_STORAGE_MULTI */
#ifndef CONFIG_STORAGE_MULTI
static FORCE_INLINE int storage_event_send(unsigned int route, long id,
intptr_t data)
{
return route ? STORAGE_FUNCTION(event)(id, data) : 0;
}
#endif /* ndef CONFIG_STORAGE_MULTI */
static void NORETURN_ATTR storage_thread(void)
{
unsigned int bdcast = CONFIG_STORAGE;
bool usb_mode = false;
struct queue_event ev;
while (1)
{
queue_wait_w_tmo(&storage_queue, &ev, HZ/2);
switch (ev.id)
{
case SYS_TIMEOUT:;
/* drivers hold their bit low when they want to
sleep and keep it high otherwise */
unsigned int trig = 0;
storage_event_send(bdcast, Q_STORAGE_TICK, (intptr_t)&trig);
trig = bdcast & ~trig;
if (trig) {
if (!usb_mode) {
call_storage_idle_notifys(false);
}
storage_event_send(trig, Q_STORAGE_SLEEPNOW, 0);
}
break;
#if (CONFIG_STORAGE & STORAGE_ATA)
case Q_STORAGE_SLEEP:
storage_event_send(bdcast, ev.id, 0);
break;
#endif
#ifdef STORAGE_CLOSE
case Q_STORAGE_CLOSE:
storage_event_send(CONFIG_STORAGE, ev.id, 0);
thread_exit();
#endif /* STORAGE_CLOSE */
#ifdef HAVE_HOTSWAP
case SYS_HOTSWAP_INSERTED:
case SYS_HOTSWAP_EXTRACTED:
if (!usb_mode) {
int drive = IF_MD_DRV(ev.data);
if (!CHECK_DRV(drive)) {
break;
}
int umnt = disk_unmount(drive);
int mnt = 0;
int rci = storage_event_send(DRIVE_EVT, ev.id, drive);
if (ev.id == SYS_HOTSWAP_INSERTED && !rci) {
mnt = disk_mount(drive);
}
if (umnt > 0 || mnt > 0) {
/* something was unmounted and/or mounted */
queue_broadcast(SYS_FS_CHANGED, drive);
}
}
break;
#endif /* HAVE_HOTSWAP */
#ifndef USB_NONE
case SYS_USB_CONNECTED:
case SYS_USB_DISCONNECTED:
bdcast = 0;
storage_event_send(CONFIG_STORAGE, ev.id, (intptr_t)&bdcast);
usb_mode = ev.id == SYS_USB_CONNECTED;
if (usb_mode) {
usb_acknowledge(SYS_USB_CONNECTED_ACK);
}
else {
bdcast = CONFIG_STORAGE;
}
break;
#endif /* ndef USB_NONE */
}
}
}
#if (CONFIG_STORAGE & STORAGE_ATA)
void storage_sleep(void)
{
if (storage_thread_id) {
queue_post(&storage_queue, Q_STORAGE_SLEEP, 0);
}
}
#endif /* (CONFIG_STORAGE & STORAGE_ATA) */
#ifdef STORAGE_CLOSE
void storage_close(void)
{
if (storage_thread_id) {
queue_post(&storage_queue, Q_STORAGE_CLOSE, 0);
thread_wait(storage_thread_id);
}
}
#endif /* STORAGE_CLOSE */
static inline void storage_thread_init(void)
{
if (storage_thread_id) {
return;
}
queue_init(&storage_queue, true);
storage_thread_id = create_thread(storage_thread, &storage_thread_stack,
sizeof (storage_thread_stack),
0, &storage_thread_name[1]
IF_PRIO(, PRIORITY_USER_INTERFACE)
IF_COP(, CPU));
}
int storage_init(void)
{
#ifdef CONFIG_STORAGE_MULTI
int rc=0;
int i;
num_drives=0;
#if (CONFIG_STORAGE & STORAGE_ATA)
if ((rc=ata_init())) return rc;
int ata_drives = ata_num_drives(num_drives);
for (i=0; i<ata_drives; i++)
{
storage_drivers[num_drives++] =
(STORAGE_ATA<<DRIVER_OFFSET) | (i << DRIVE_OFFSET);
}
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
if ((rc=mmc_init())) return rc;
int mmc_drives = mmc_num_drives(num_drives);
for (i=0; i<mmc_drives ;i++)
{
storage_drivers[num_drives++] =
(STORAGE_MMC<<DRIVER_OFFSET) | (i << DRIVE_OFFSET);
}
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
if ((rc=sd_init())) return rc;
int sd_drives = sd_num_drives(num_drives);
for (i=0; i<sd_drives; i++)
{
storage_drivers[num_drives++] =
(STORAGE_SD<<DRIVER_OFFSET) | (i << DRIVE_OFFSET);
}
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
if ((rc=nand_init())) return rc;
int nand_drives = nand_num_drives(num_drives);
for (i=0; i<nand_drives; i++)
{
storage_drivers[num_drives++] =
(STORAGE_NAND<<DRIVER_OFFSET) | (i << DRIVE_OFFSET);
}
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
if ((rc=ramdisk_init())) return rc;
int ramdisk_drives = ramdisk_num_drives(num_drives);
for (i=0; i<ramdisk_drives; i++)
{
storage_drivers[num_drives++] =
(STORAGE_RAMDISK<<DRIVER_OFFSET) | (i << DRIVE_OFFSET);
}
#endif
#else /* ndef CONFIG_STORAGE_MULTI */
STORAGE_FUNCTION(init)();
#endif /* CONFIG_STORAGE_MULTI */
storage_thread_init();
return 0;
}
int storage_read_sectors(IF_MD(int drive,) unsigned long start, int count,
void* buf)
{
#ifdef CONFIG_STORAGE_MULTI
int driver=(storage_drivers[drive] & DRIVER_MASK)>>DRIVER_OFFSET;
int ldrive=(storage_drivers[drive] & DRIVE_MASK)>>DRIVE_OFFSET;
switch (driver)
{
#if (CONFIG_STORAGE & STORAGE_ATA)
case STORAGE_ATA:
return ata_read_sectors(IF_MD(ldrive,) start,count,buf);
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
case STORAGE_MMC:
return mmc_read_sectors(IF_MD(ldrive,) start,count,buf);
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
case STORAGE_SD:
return sd_read_sectors(IF_MD(ldrive,) start,count,buf);
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
case STORAGE_NAND:
return nand_read_sectors(IF_MD(ldrive,) start,count,buf);
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
case STORAGE_RAMDISK:
return ramdisk_read_sectors(IF_MD(ldrive,) start,count,buf);
#endif
}
return -1;
#else /* CONFIG_STORAGE_MULTI */
return STORAGE_FUNCTION(read_sectors)(IF_MD(drive,)start,count,buf);
#endif /* CONFIG_STORAGE_MULTI */
}
int storage_write_sectors(IF_MD(int drive,) unsigned long start, int count,
const void* buf)
{
#ifdef CONFIG_STORAGE_MULTI
int driver=(storage_drivers[drive] & DRIVER_MASK)>>DRIVER_OFFSET;
int ldrive=(storage_drivers[drive] & DRIVE_MASK)>>DRIVE_OFFSET;
switch (driver)
{
#if (CONFIG_STORAGE & STORAGE_ATA)
case STORAGE_ATA:
return ata_write_sectors(IF_MD(ldrive,)start,count,buf);
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
case STORAGE_MMC:
return mmc_write_sectors(IF_MD(ldrive,)start,count,buf);
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
case STORAGE_SD:
return sd_write_sectors(IF_MD(ldrive,)start,count,buf);
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
case STORAGE_NAND:
return nand_write_sectors(IF_MD(ldrive,)start,count,buf);
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
case STORAGE_RAMDISK:
return ramdisk_write_sectors(IF_MD(ldrive,)start,count,buf);
#endif
}
return -1;
#else /* CONFIG_STORAGE_MULTI */
return STORAGE_FUNCTION(write_sectors)(IF_MD(drive,)start,count,buf);
#endif /* CONFIG_STORAGE_MULTI */
}
#ifdef CONFIG_STORAGE_MULTI
#define DRIVER_MASK 0xff000000
#define DRIVER_OFFSET 24
#define DRIVE_MASK 0x00ff0000
#define DRIVE_OFFSET 16
#define PARTITION_MASK 0x0000ff00
static unsigned int storage_drivers[NUM_DRIVES];
static unsigned int num_drives;
int storage_num_drives(void)
{
return num_drives;
}
int storage_driver_type(int drive)
{
if ((unsigned int)drive >= num_drives)
return -1;
unsigned int bit = (storage_drivers[drive] & DRIVER_MASK)>>DRIVER_OFFSET;
return bit ? find_first_set_bit(bit) : -1;
}
void storage_enable(bool on)
{
#if (CONFIG_STORAGE & STORAGE_ATA)
ata_enable(on);
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
mmc_enable(on);
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
sd_enable(on);
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
nand_enable(on);
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
ramdisk_enable(on);
#endif
}
void storage_sleepnow(void)
{
#if (CONFIG_STORAGE & STORAGE_ATA)
ata_sleepnow();
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
mmc_sleepnow();
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
//sd_sleepnow();
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
nand_sleepnow();
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
ramdisk_sleepnow();
#endif
}
bool storage_disk_is_active(void)
{
#if (CONFIG_STORAGE & STORAGE_ATA)
if (ata_disk_is_active()) return true;
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
if (mmc_disk_is_active()) return true;
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
//if (sd_disk_is_active()) return true;
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
//if (nand_disk_is_active()) return true;
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
if (ramdisk_disk_is_active()) return true;
#endif
return false;
}
int storage_soft_reset(void)
{
int rc=0;
#if (CONFIG_STORAGE & STORAGE_ATA)
if ((rc=ata_soft_reset())) return rc;
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
if ((rc=mmc_soft_reset())) return rc;
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
//if ((rc=sd_soft_reset())) return rc;
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
//if ((rc=nand_soft_reset())) return rc;
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
if ((rc=ramdisk_soft_reset())) return rc;
#endif
return rc;
}
#ifdef HAVE_STORAGE_FLUSH
int storage_flush(void)
{
int rc=0;
#if (CONFIG_STORAGE & STORAGE_ATA)
//if ((rc=ata_flush())) return rc;
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
//if ((rc=mmc_flush())) return rc;
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
//if ((rc=sd_flush())) return rc;
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
if ((rc=nand_flush())) return rc;
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
//if ((rc=ramdisk_flush())) return rc;
#endif
return rc;
}
#endif
void storage_spin(void)
{
#if (CONFIG_STORAGE & STORAGE_ATA)
ata_spin();
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
mmc_spin();
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
sd_spin();
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
nand_spin();
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
ramdisk_spin();
#endif
}
void storage_spindown(int seconds)
{
#if (CONFIG_STORAGE & STORAGE_ATA)
ata_spindown(seconds);
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
mmc_spindown(seconds);
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
sd_spindown(seconds);
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
nand_spindown(seconds);
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
ramdisk_spindown(seconds);
#endif
}
#if (CONFIG_LED == LED_REAL)
void storage_set_led_enabled(bool enabled)
{
#if (CONFIG_STORAGE & STORAGE_ATA)
ata_set_led_enabled(enabled);
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
mmc_set_led_enabled(enabled);
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
sd_set_led_enabled(enabled);
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
nand_set_led_enabled(enabled);
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
ramdisk_set_led_enabled(enabled);
#endif
}
#endif /* CONFIG_LED == LED_REAL */
long storage_last_disk_activity(void)
{
long max=0;
long t;
#if (CONFIG_STORAGE & STORAGE_ATA)
t=ata_last_disk_activity();
if (t>max) max=t;
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
t=mmc_last_disk_activity();
if (t>max) max=t;
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
t=sd_last_disk_activity();
if (t>max) max=t;
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
t=nand_last_disk_activity();
if (t>max) max=t;
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
t=ramdisk_last_disk_activity();
if (t>max) max=t;
#endif
return max;
}
int storage_spinup_time(void)
{
int max=0;
int t;
#if (CONFIG_STORAGE & STORAGE_ATA)
t=ata_spinup_time();
if (t>max) max=t;
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
t=mmc_spinup_time();
if (t>max) max=t;
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
//t=sd_spinup_time();
//if (t>max) max=t;
(void)t;
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
t=nand_spinup_time();
if (t>max) max=t;
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
t=ramdisk_spinup_time();
if (t>max) max=t;
#endif
return max;
}
#ifdef STORAGE_GET_INFO
void storage_get_info(int drive, struct storage_info *info)
{
int driver=(storage_drivers[drive] & DRIVER_MASK)>>DRIVER_OFFSET;
int ldrive=(storage_drivers[drive] & DRIVE_MASK)>>DRIVE_OFFSET;
switch(driver)
{
#if (CONFIG_STORAGE & STORAGE_ATA)
case STORAGE_ATA:
return ata_get_info(ldrive,info);
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
case STORAGE_MMC:
return mmc_get_info(ldrive,info);
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
case STORAGE_SD:
return sd_get_info(ldrive,info);
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
case STORAGE_NAND:
return nand_get_info(ldrive,info);
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
case STORAGE_RAMDISK:
return ramdisk_get_info(ldrive,info);
#endif
}
}
#endif /* STORAGE_GET_INFO */
#ifdef HAVE_HOTSWAP
bool storage_removable(int drive)
{
int driver=(storage_drivers[drive] & DRIVER_MASK)>>DRIVER_OFFSET;
int ldrive=(storage_drivers[drive] & DRIVE_MASK)>>DRIVE_OFFSET;
switch(driver)
{
#if (CONFIG_STORAGE & STORAGE_ATA)
case STORAGE_ATA:
return false;
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
case STORAGE_MMC:
return mmc_removable(ldrive);
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
case STORAGE_SD:
return sd_removable(ldrive);
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
case STORAGE_NAND:
return false;
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
case STORAGE_RAMDISK:
return false;
#endif
default:
return false;
}
}
bool storage_present(int drive)
{
int driver=(storage_drivers[drive] & DRIVER_MASK)>>DRIVER_OFFSET;
int ldrive=(storage_drivers[drive] & DRIVE_MASK)>>DRIVE_OFFSET;
switch(driver)
{
#if (CONFIG_STORAGE & STORAGE_ATA)
case STORAGE_ATA:
return true;
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
case STORAGE_MMC:
return mmc_present(ldrive);
#endif
#if (CONFIG_STORAGE & STORAGE_SD)
case STORAGE_SD:
return sd_present(ldrive);
#endif
#if (CONFIG_STORAGE & STORAGE_NAND)
case STORAGE_NAND:
return true;
#endif
#if (CONFIG_STORAGE & STORAGE_RAMDISK)
case STORAGE_RAMDISK:
return true;
#endif
default:
return false;
}
}
#endif /* HAVE_HOTSWAP */
#endif /*CONFIG_STORAGE_MULTI*/
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