Revert r21912 : "Storage API : remove undeeded target-specific functions"

After a discussion mixed on mailing list and irc, it was agreed that
more abstraction for plugins is better (so developers don't have to add
a check to HAVE_DISK_STORAGE when writing disk-specific code)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21923 a1c6a512-1295-4272-9138-f99709370657

4 files changed, 18 insertions, 9 deletions

diff --git a/firmware/export/mmc.h b/firmware/export/mmc.h
index bd4b7f93ec..06d99d219e 100644
--- a/firmware/export/mmc.h
+++ b/firmware/export/mmc.h
@@ -28,6 +28,8 @@
 struct storage_info;
 
 void mmc_enable(bool on);
+void mmc_spindown(int seconds);
+void mmc_sleep(void);
 void mmc_sleepnow(void);
 bool mmc_disk_is_active(void);
 int mmc_soft_reset(void);
@@ -35,6 +37,7 @@ int mmc_init(void);
 void mmc_close(void);
 int mmc_read_sectors(IF_MV2(int drive,) unsigned long start, int count, void* buf);
 int mmc_write_sectors(IF_MV2(int drive,) unsigned long start, int count, const void* buf);
+void mmc_spin(void);
 int mmc_spinup_time(void);
 
 #ifdef STORAGE_GET_INFO
diff --git a/firmware/export/nand.h b/firmware/export/nand.h
index 64416b9de5..a5b0a1ceee 100644
--- a/firmware/export/nand.h
+++ b/firmware/export/nand.h
@@ -28,12 +28,15 @@
 struct storage_info;
 
 void nand_enable(bool on);
+void nand_spindown(int seconds);
+void nand_sleep(void);
 bool nand_disk_is_active(void);
 int nand_soft_reset(void);
 int nand_init(void);
 void nand_close(void);
 int nand_read_sectors(IF_MV2(int drive,) unsigned long start, int count, void* buf);
 int nand_write_sectors(IF_MV2(int drive,) unsigned long start, int count, const void* buf);
+void nand_spin(void);
 
 #ifdef STORAGE_GET_INFO
 void nand_get_info(IF_MV2(int drive,) struct storage_info *info);
diff --git a/firmware/export/sd.h b/firmware/export/sd.h
index f100f3025f..d313a4c2e1 100644
--- a/firmware/export/sd.h
+++ b/firmware/export/sd.h
@@ -30,12 +30,15 @@
 struct storage_info;
 
 void sd_enable(bool on);
+void sd_spindown(int seconds);
+void sd_sleep(void);
 bool sd_disk_is_active(void);
 int sd_soft_reset(void);
 int sd_init(void);
 void sd_close(void);
 int sd_read_sectors(IF_MV2(int drive,) unsigned long start, int count, void* buf);
 int sd_write_sectors(IF_MV2(int drive,) unsigned long start, int count, const void* buf);
+void sd_spin(void);
 
 #ifdef STORAGE_GET_INFO
 void sd_get_info(IF_MV2(int drive,) struct storage_info *info);
diff --git a/firmware/export/storage.h b/firmware/export/storage.h
index 73ec970635..47d8abda52 100644
--- a/firmware/export/storage.h
+++ b/firmware/export/storage.h
@@ -81,9 +81,9 @@ struct storage_info
                 #define storage_present(drive) ata_present(IF_MV(drive))
             #endif
         #elif (CONFIG_STORAGE & STORAGE_SD)
-            #define storage_spindown(seconds) (void)0
-            #define storage_sleep() (void)0
-            #define storage_spin() (void)0
+            #define storage_spindown sd_spindown
+            #define storage_sleep sd_sleep
+            #define storage_spin sd_spin
     
             #define storage_enable(on) sd_enable(on)
             #define storage_sleepnow() sd_sleepnow()
@@ -105,9 +105,9 @@ struct storage_info
                 #define storage_present(drive) sd_present(IF_MV(drive))
             #endif
          #elif (CONFIG_STORAGE & STORAGE_MMC)
-            #define storage_spindown(seconds) (void)0
-            #define storage_sleep() (void)0
-            #define storage_spin() (void)0
+            #define storage_spindown mmc_spindown
+            #define storage_sleep mmc_sleep
+            #define storage_spin mmc_spin
     
             #define storage_enable(on) mmc_enable(on)
             #define storage_sleepnow() mmc_sleepnow()
@@ -129,9 +129,9 @@ struct storage_info
                 #define storage_present(drive) mmc_present(IF_MV(drive))
             #endif
         #elif (CONFIG_STORAGE & STORAGE_NAND)
-            #define storage_spindown(seconds) (void)0
-            #define storage_sleep() (void)0
-            #define storage_spin() (void)0
+            #define storage_spindown nand_spindown
+            #define storage_sleep nand_sleep
+            #define storage_spin nand_spin
     
             #define storage_enable(on) (void)0
             #define storage_sleepnow() nand_sleepnow()