/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2002 by Alan Korr * 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. * ****************************************************************************/ #ifndef __STORAGE_H__ #define __STORAGE_H__ #include #include "config.h" /* for HAVE_MULTIDRIVE or not */ #include "mv.h" #include #if (CONFIG_STORAGE & STORAGE_HOSTFS) || defined(SIMULATOR) #define HAVE_HOSTFS #endif #if (CONFIG_STORAGE & STORAGE_SD) #include "sd.h" #endif #if (CONFIG_STORAGE & STORAGE_MMC) #include "mmc.h" #endif #if (CONFIG_STORAGE & STORAGE_ATA) #include "ata.h" #endif #if (CONFIG_STORAGE & STORAGE_NAND) #include "nand.h" #endif #if (CONFIG_STORAGE & STORAGE_RAMDISK) #include "ramdisk.h" #endif enum { Q_STORAGE_TICK = 1, Q_STORAGE_SLEEP, Q_STORAGE_SLEEPNOW, #ifdef STORAGE_CLOSE Q_STORAGE_CLOSE, #endif }; #define STG_EVENT_ASSERT_ACTIVE(type) \ ({ intptr_t __data = (data); \ *((unsigned int *)(__data)) |= (type); }) static FORCE_INLINE int storage_event_default_handler(long id, intptr_t data, long last_activity, unsigned int type) { /* fake sleep in order to trigger storage idle sequence */ static long slept_at = -1; if (id == Q_STORAGE_TICK) { if (last_activity == slept_at || TIME_BEFORE(current_tick, last_activity + 3*HZ)) { STG_EVENT_ASSERT_ACTIVE(type); } } else if (id == Q_STORAGE_SLEEPNOW) { slept_at = last_activity; } return 0; } #if (CONFIG_STORAGE & STORAGE_SD) int sd_event(long id, intptr_t data); #endif #if (CONFIG_STORAGE & STORAGE_MMC) int mmc_event(long id, intptr_t data); #endif #if (CONFIG_STORAGE & STORAGE_ATA) int ata_event(long id, intptr_t data); #endif #if (CONFIG_STORAGE & STORAGE_NAND) int nand_event(long id, intptr_t data); #endif #if (CONFIG_STORAGE & STORAGE_RAMDISK) int ramdisk_event(long id, intptr_t data); #endif struct storage_info { unsigned int sector_size; unsigned int num_sectors; char *vendor; char *product; char *revision; }; int storage_init(void) STORAGE_INIT_ATTR; void storage_close(void); #ifdef HAVE_HOSTFS #include "hostfs.h" /* stubs for the plugin api */ static inline void stub_storage_sleep(void) {} static inline void stub_storage_spin(void) {} static inline void stub_storage_spindown(int timeout) { (void)timeout; } static inline int stub_storage_event(long id, intptr_t data) { return 0; (void)id; (void)data; } #else /* ndef HAVE_HOSTFS */ #if (CONFIG_STORAGE & STORAGE_ATA) void storage_sleep(void); #else static inline void storage_sleep(void) {} #endif #endif /* HAVE_HOSTFS */ #if !defined(CONFIG_STORAGE_MULTI) || defined(HAVE_HOSTFS) /* storage_spindown, storage_sleep and storage_spin are passed as * pointers, which doesn't work with argument-macros. */ #define storage_num_drives() NUM_DRIVES #if defined(HAVE_HOSTFS) #define STORAGE_FUNCTION(NAME) (stub_## NAME) #define storage_event stub_storage_event #define storage_spindown stub_storage_spindown #define storage_sleep stub_storage_sleep #define storage_spin stub_storage_spin #define storage_enable(on) #define storage_sleepnow() #define storage_disk_is_active() 0 #define storage_soft_reset() #define storage_init() hostfs_init() #ifdef HAVE_STORAGE_FLUSH #define storage_flush() hostfs_flush() #endif #define storage_last_disk_activity() (-1) #define storage_spinup_time() 0 #define storage_get_identify() (NULL) /* not actually called anywher */ #ifdef STORAGE_GET_INFO #error storage_get_info not implemented #endif #ifdef HAVE_HOTSWAP #define storage_removable(drive) hostfs_removable(IF_MD(drive)) #define storage_present(drive) hostfs_present(IF_MD(drive)) #endif #define storage_driver_type(drive) hostfs_driver_type(IF_MV(drive)) #elif (CONFIG_STORAGE & STORAGE_ATA) #define STORAGE_FUNCTION(NAME) (ata_## NAME) #define storage_spindown ata_spindown #define storage_spin ata_spin #define storage_enable(on) ata_enable(on) #define storage_sleepnow() ata_sleepnow() #define storage_disk_is_active() ata_disk_is_active() #define storage_soft_reset() ata_soft_reset() #ifdef HAVE_STORAGE_FLUSH #define storage_flush() (void)0 #endif #define storage_last_disk_activity() ata_last_disk_activity() #define storage_spinup_time() ata_spinup_time() #define storage_get_identify() ata_get_identify() #ifdef STORAGE_GET_INFO #define storage_get_info(drive, info) ata_get_info(IF_MD(drive,) info) #endif #ifdef HAVE_HOTSWAP #define storage_removable(drive) ata_removable(IF_MD(drive)) #define storage_present(drive) ata_present(IF_MD(drive)) #endif #define storage_driver_type(drive) (STORAGE_ATA_NUM) #elif (CONFIG_STORAGE & STORAGE_SD) #define STORAGE_FUNCTION(NAME) (sd_## NAME) #define storage_spindown sd_spindown #define storage_spin sd_spin #define storage_enable(on) sd_enable(on) #define storage_sleepnow() do {} while (0) #define storage_disk_is_active() 0 #define storage_soft_reset() (void)0 #ifdef HAVE_STORAGE_FLUSH #define storage_flush() (void)0 #endif #define storage_last_disk_activity() sd_last_disk_activity() #define storage_spinup_time() 0 #define storage_get_identify() sd_get_identify() #ifdef STORAGE_GET_INFO #define storage_get_info(drive, info) sd_get_info(IF_MD(drive,) info) #endif #ifdef HAVE_HOTSWAP #define storage_removable(drive) sd_removable(IF_MD(drive)) #define storage_present(drive) sd_present(IF_MD(drive)) #endif #define storage_driver_type(drive) (STORAGE_SD_NUM) #elif (CONFIG_STORAGE & STORAGE_MMC) #define STORAGE_FUNCTION(NAME) (mmc_## NAME) #define storage_spindown mmc_spindown #define storage_spin mmc_spin #define storage_enable(on) mmc_enable(on) #define storage_sleepnow() mmc_sleepnow() #define storage_disk_is_active() mmc_disk_is_active() #define storage_soft_reset() (void)0 #ifdef HAVE_STORAGE_FLUSH #define storage_flush() (void)0 #endif #define storage_last_disk_activity() mmc_last_disk_activity() #define storage_spinup_time() 0 #define storage_get_identify() mmc_get_identify() #ifdef STORAGE_GET_INFO #define storage_get_info(drive, info) mmc_get_info(IF_MD(drive,) info) #endif #ifdef HAVE_HOTSWAP #define storage_removable(drive) mmc_removable(IF_MD(drive)) #define storage_present(drive) mmc_present(IF_MD(drive)) #endif #define storage_driver_type(drive) (STORAGE_MMC_NUM) #elif (CONFIG_STORAGE & STORAGE_NAND) #define STORAGE_FUNCTION(NAME) (nand_## NAME) #define storage_spindown nand_spindown #define storage_spin nand_spin #define storage_enable(on) (void)0 #define storage_sleepnow() nand_sleepnow() #define storage_disk_is_active() 0 #define storage_soft_reset() (void)0 #ifdef HAVE_STORAGE_FLUSH #define storage_flush() nand_flush() #endif #define storage_last_disk_activity() nand_last_disk_activity() #define storage_spinup_time() 0 #define storage_get_identify() nand_get_identify() #ifdef STORAGE_GET_INFO #define storage_get_info(drive, info) nand_get_info(IF_MD(drive,) info) #endif #ifdef HAVE_HOTSWAP #define storage_removable(drive) nand_removable(IF_MD(drive)) #define storage_present(drive) nand_present(IF_MD(drive)) #endif #define storage_driver_type(drive) (STORAGE_NAND_NUM) #elif (CONFIG_STORAGE & STORAGE_RAMDISK) #define STORAGE_FUNCTION(NAME) (ramdisk_## NAME) #define storage_spindown ramdisk_spindown #define storage_spin ramdisk_spin #define storage_enable(on) (void)0 #define storage_sleepnow() ramdisk_sleepnow() #define storage_disk_is_active() 0 #define storage_soft_reset() (void)0 #ifdef HAVE_STORAGE_FLUSH #define storage_flush() (void)0 #endif #define storage_last_disk_activity() ramdisk_last_disk_activity() #define storage_spinup_time() 0 #define storage_get_identify() ramdisk_get_identify() #ifdef STORAGE_GET_INFO #define storage_get_info(drive, info) ramdisk_get_info(IF_MD(drive,) info) #endif #ifdef HAVE_HOTSWAP #define storage_removable(drive) ramdisk_removable(IF_MD(drive)) #define storage_present(drive) ramdisk_present(IF_MD(drive)) #endif #define storage_driver_type(drive) (STORAGE_RAMDISK_NUM) #else //#error No storage driver! #endif #else /* CONFIG_STORAGE_MULTI || !HAVE_HOSTFS */ /* Multi-driver use normal functions */ void storage_enable(bool on); void storage_sleepnow(void); bool storage_disk_is_active(void); int storage_soft_reset(void); int storage_flush(void); void storage_spin(void); void storage_spindown(int seconds); long storage_last_disk_activity(void); int storage_spinup_time(void); int storage_num_drives(void); #ifdef STORAGE_GET_INFO void storage_get_info(int drive, struct storage_info *info); #endif #ifdef HAVE_HOTSWAP bool storage_removable(int drive); bool storage_present(int drive); #endif int storage_driver_type(int drive); #endif /* NOT CONFIG_STORAGE_MULTI and NOT SIMULATOR*/ int storage_read_sectors(IF_MD(int drive,) unsigned long start, int count, void* buf); int storage_write_sectors(IF_MD(int drive,) unsigned long start, int count, const void* buf); #endif